| ;(function() { |
| |
| /** Used as a safe reference for `undefined` in pre-ES5 environments. */ |
| var undefined; |
| |
| /** Used to detect when a function becomes hot. */ |
| var HOT_COUNT = 150; |
| |
| /** Used as the size to cover large array optimizations. */ |
| var LARGE_ARRAY_SIZE = 200; |
| |
| /** Used as the `TypeError` message for "Functions" methods. */ |
| var FUNC_ERROR_TEXT = 'Expected a function'; |
| |
| /** Used as references for various `Number` constants. */ |
| var MAX_SAFE_INTEGER = 9007199254740991, |
| MAX_INTEGER = 1.7976931348623157e+308; |
| |
| /** Used as references for the maximum length and index of an array. */ |
| var MAX_ARRAY_LENGTH = 4294967295, |
| MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1; |
| |
| /** `Object#toString` result references. */ |
| var funcTag = '[object Function]', |
| numberTag = '[object Number]', |
| objectTag = '[object Object]'; |
| |
| /** Used as a reference to the global object. */ |
| var root = (typeof global == 'object' && global) || this; |
| |
| /** Used to store lodash to test for bad extensions/shims. */ |
| var lodashBizarro = root.lodashBizarro; |
| |
| /** Used for native method references. */ |
| var arrayProto = Array.prototype, |
| funcProto = Function.prototype, |
| objectProto = Object.prototype, |
| numberProto = Number.prototype, |
| stringProto = String.prototype; |
| |
| /** Method and object shortcuts. */ |
| var phantom = root.phantom, |
| process = root.process, |
| amd = root.define && define.amd, |
| argv = process && process.argv, |
| defineProperty = Object.defineProperty, |
| document = !phantom && root.document, |
| body = root.document && root.document.body, |
| create = Object.create, |
| fnToString = funcProto.toString, |
| freeze = Object.freeze, |
| getSymbols = Object.getOwnPropertySymbols, |
| identity = function(value) { return value; }, |
| JSON = root.JSON, |
| noop = function() {}, |
| objToString = objectProto.toString, |
| params = argv, |
| push = arrayProto.push, |
| realm = {}, |
| slice = arrayProto.slice; |
| |
| var ArrayBuffer = root.ArrayBuffer, |
| Buffer = root.Buffer, |
| Promise = root.Promise, |
| Map = root.Map, |
| Set = root.Set, |
| Symbol = root.Symbol, |
| Uint8Array = root.Uint8Array, |
| WeakMap = root.WeakMap, |
| WeakSet = root.WeakSet; |
| |
| var arrayBuffer = ArrayBuffer ? new ArrayBuffer(2) : undefined, |
| map = Map ? new Map : undefined, |
| promise = Promise ? Promise.resolve(1) : undefined, |
| set = Set ? new Set : undefined, |
| symbol = Symbol ? Symbol('a') : undefined, |
| weakMap = WeakMap ? new WeakMap : undefined, |
| weakSet = WeakSet ? new WeakSet : undefined; |
| |
| /** Math helpers. */ |
| var add = function(x, y) { return x + y; }, |
| doubled = function(n) { return n * 2; }, |
| isEven = function(n) { return n % 2 == 0; }, |
| square = function(n) { return n * n; }; |
| |
| /** Constant functions. */ |
| var alwaysA = function() { return 'a'; }, |
| alwaysB = function() { return 'b'; }, |
| alwaysC = function() { return 'c'; }; |
| |
| var alwaysTrue = function() { return true; }, |
| alwaysFalse = function() { return false; }; |
| |
| var alwaysNaN = function() { return NaN; }, |
| alwaysNull = function() { return null; }; |
| |
| var alwaysZero = function() { return 0; }, |
| alwaysOne = function() { return 1; }, |
| alwaysTwo = function() { return 2; }, |
| alwaysThree = function() { return 3; }, |
| alwaysFour = function() { return 4; }; |
| |
| var alwaysEmptyArray = function() { return []; }, |
| alwaysEmptyObject = function() { return {}; }, |
| alwaysEmptyString = function() { return ''; }; |
| |
| /** List of latin-1 supplementary letters to basic latin letters. */ |
| var burredLetters = [ |
| '\xc0', '\xc1', '\xc2', '\xc3', '\xc4', '\xc5', '\xc6', '\xc7', '\xc8', '\xc9', '\xca', '\xcb', '\xcc', '\xcd', '\xce', |
| '\xcf', '\xd0', '\xd1', '\xd2', '\xd3', '\xd4', '\xd5', '\xd6', '\xd8', '\xd9', '\xda', '\xdb', '\xdc', '\xdd', '\xde', |
| '\xdf', '\xe0', '\xe1', '\xe2', '\xe3', '\xe4', '\xe5', '\xe6', '\xe7', '\xe8', '\xe9', '\xea', '\xeb', '\xec', '\xed', '\xee', |
| '\xef', '\xf0', '\xf1', '\xf2', '\xf3', '\xf4', '\xf5', '\xf6', '\xf8', '\xf9', '\xfa', '\xfb', '\xfc', '\xfd', '\xfe', '\xff' |
| ]; |
| |
| /** List of combining diacritical marks. */ |
| var comboMarks = [ |
| '\u0300', '\u0301', '\u0302', '\u0303', '\u0304', '\u0305', '\u0306', '\u0307', '\u0308', '\u0309', '\u030a', '\u030b', '\u030c', '\u030d', '\u030e', '\u030f', |
| '\u0310', '\u0311', '\u0312', '\u0313', '\u0314', '\u0315', '\u0316', '\u0317', '\u0318', '\u0319', '\u031a', '\u031b', '\u031c', '\u031d', '\u031e', '\u031f', |
| '\u0320', '\u0321', '\u0322', '\u0323', '\u0324', '\u0325', '\u0326', '\u0327', '\u0328', '\u0329', '\u032a', '\u032b', '\u032c', '\u032d', '\u032e', '\u032f', |
| '\u0330', '\u0331', '\u0332', '\u0333', '\u0334', '\u0335', '\u0336', '\u0337', '\u0338', '\u0339', '\u033a', '\u033b', '\u033c', '\u033d', '\u033e', '\u033f', |
| '\u0340', '\u0341', '\u0342', '\u0343', '\u0344', '\u0345', '\u0346', '\u0347', '\u0348', '\u0349', '\u034a', '\u034b', '\u034c', '\u034d', '\u034e', '\u034f', |
| '\u0350', '\u0351', '\u0352', '\u0353', '\u0354', '\u0355', '\u0356', '\u0357', '\u0358', '\u0359', '\u035a', '\u035b', '\u035c', '\u035d', '\u035e', '\u035f', |
| '\u0360', '\u0361', '\u0362', '\u0363', '\u0364', '\u0365', '\u0366', '\u0367', '\u0368', '\u0369', '\u036a', '\u036b', '\u036c', '\u036d', '\u036e', '\u036f', |
| '\ufe20', '\ufe21', '\ufe22', '\ufe23' |
| ]; |
| |
| /** List of `burredLetters` translated to basic latin letters. */ |
| var deburredLetters = [ |
| 'A', 'A', 'A', 'A', 'A', 'A', 'Ae', 'C', 'E', 'E', 'E', 'E', 'I', 'I', 'I', |
| 'I', 'D', 'N', 'O', 'O', 'O', 'O', 'O', 'O', 'U', 'U', 'U', 'U', 'Y', 'Th', |
| 'ss', 'a', 'a', 'a', 'a', 'a', 'a', 'ae', 'c', 'e', 'e', 'e', 'e', 'i', 'i', 'i', |
| 'i', 'd', 'n', 'o', 'o', 'o', 'o', 'o', 'o', 'u', 'u', 'u', 'u', 'y', 'th', 'y' |
| ]; |
| |
| /** Used to provide falsey values to methods. */ |
| var falsey = [, null, undefined, false, 0, NaN, '']; |
| |
| /** Used to specify the emoji style glyph variant of characters. */ |
| var emojiVar = '\ufe0f'; |
| |
| /** Used to provide empty values to methods. */ |
| var empties = [[], {}].concat(falsey.slice(1)); |
| |
| /** Used to test error objects. */ |
| var errors = [ |
| new Error, |
| new EvalError, |
| new RangeError, |
| new ReferenceError, |
| new SyntaxError, |
| new TypeError, |
| new URIError |
| ]; |
| |
| /** List of fitzpatrick modifiers. */ |
| var fitzModifiers = [ |
| '\ud83c\udffb', |
| '\ud83c\udffc', |
| '\ud83c\udffd', |
| '\ud83c\udffe', |
| '\ud83c\udfff' |
| ]; |
| |
| /** Used to provide primitive values to methods. */ |
| var primitives = [null, undefined, false, true, 1, NaN, 'a']; |
| |
| /** Used to check whether methods support typed arrays. */ |
| var typedArrays = [ |
| 'Float32Array', |
| 'Float64Array', |
| 'Int8Array', |
| 'Int16Array', |
| 'Int32Array', |
| 'Uint8Array', |
| 'Uint8ClampedArray', |
| 'Uint16Array', |
| 'Uint32Array' |
| ]; |
| |
| /** Used to check whether methods support array views. */ |
| var arrayViews = typedArrays.concat('DataView'); |
| |
| /** The file path of the lodash file to test. */ |
| var filePath = (function() { |
| var min = 2, |
| result = params || []; |
| |
| if (phantom) { |
| min = 0; |
| result = params = phantom.args || require('system').args; |
| } |
| var last = result[result.length - 1]; |
| result = (result.length > min && !/test(?:\.js)?$/.test(last)) ? last : '../lodash.js'; |
| |
| if (!amd) { |
| try { |
| result = require('fs').realpathSync(result); |
| } catch (e) {} |
| |
| try { |
| result = require.resolve(result); |
| } catch (e) {} |
| } |
| return result; |
| }()); |
| |
| /** The `ui` object. */ |
| var ui = root.ui || (root.ui = { |
| 'buildPath': filePath, |
| 'loaderPath': '', |
| 'isModularize': /\b(?:amd|commonjs|es|node|npm|(index|main)\.js)\b/.test(filePath), |
| 'isStrict': /\bes\b/.test(filePath), |
| 'urlParams': {} |
| }); |
| |
| /** The basename of the lodash file to test. */ |
| var basename = /[\w.-]+$/.exec(filePath)[0]; |
| |
| /** Used to indicate testing a modularized build. */ |
| var isModularize = ui.isModularize; |
| |
| /** Detect if testing `npm` modules. */ |
| var isNpm = isModularize && /\bnpm\b/.test([ui.buildPath, ui.urlParams.build]); |
| |
| /** Detect if running in PhantomJS. */ |
| var isPhantom = phantom || (typeof callPhantom == 'function'); |
| |
| /** Detect if lodash is in strict mode. */ |
| var isStrict = ui.isStrict; |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| // Leak to avoid sporadic `noglobals` fails on Edge in Sauce Labs. |
| root.msWDfn = undefined; |
| |
| // Exit early if going to run tests in a PhantomJS web page. |
| if (phantom && isModularize) { |
| var page = require('webpage').create(); |
| |
| page.onCallback = function(details) { |
| var coverage = details.coverage; |
| if (coverage) { |
| var fs = require('fs'), |
| cwd = fs.workingDirectory, |
| sep = fs.separator; |
| |
| fs.write([cwd, 'coverage', 'coverage.json'].join(sep), JSON.stringify(coverage)); |
| } |
| phantom.exit(details.failed ? 1 : 0); |
| }; |
| |
| page.onConsoleMessage = function(message) { |
| console.log(message); |
| }; |
| |
| page.onInitialized = function() { |
| page.evaluate(function() { |
| document.addEventListener('DOMContentLoaded', function() { |
| QUnit.done(function(details) { |
| details.coverage = window.__coverage__; |
| callPhantom(details); |
| }); |
| }); |
| }); |
| }; |
| |
| page.open(filePath, function(status) { |
| if (status != 'success') { |
| console.log('PhantomJS failed to load page: ' + filePath); |
| phantom.exit(1); |
| } |
| }); |
| |
| console.log('test.js invoked with arguments: ' + JSON.stringify(slice.call(params))); |
| return; |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| /** Used to test Web Workers. */ |
| var Worker = !(ui.isForeign || ui.isSauceLabs || isModularize) && |
| (document && document.origin != 'null') && root.Worker; |
| |
| /** Used to test host objects in IE. */ |
| try { |
| var xml = new ActiveXObject('Microsoft.XMLDOM'); |
| } catch (e) {} |
| |
| /** Poison the free variable `root` in Node.js */ |
| try { |
| defineProperty(global.root, 'root', { |
| 'configurable': false, |
| 'enumerable': false, |
| 'get': function() { throw new ReferenceError; } |
| }); |
| } catch (e) {} |
| |
| /** Use a single "load" function. */ |
| var load = (!amd && typeof require == 'function') |
| ? require |
| : noop; |
| |
| /** The unit testing framework. */ |
| var QUnit = root.QUnit || (root.QUnit = load('../node_modules/qunitjs/qunit/qunit.js')); |
| |
| /** Load stable Lodash and QUnit Extras. */ |
| var lodashStable = root.lodashStable; |
| if (!lodashStable) { |
| try { |
| lodashStable = load('../node_modules/lodash/lodash.js'); |
| } catch (e) { |
| console.log('Error: The stable lodash dev dependency should be at least a version behind master branch.'); |
| return; |
| } |
| lodashStable = lodashStable.noConflict(); |
| } |
| lodashStable = lodashStable.runInContext(root); |
| |
| var QUnitExtras = load('../node_modules/qunit-extras/qunit-extras.js'); |
| if (QUnitExtras) { |
| QUnitExtras.runInContext(root); |
| } |
| |
| /** The `lodash` function to test. */ |
| var _ = root._ || (root._ = ( |
| _ = load(filePath), |
| _ = _._ || (isStrict = ui.isStrict = isStrict || 'default' in _, _['default']) || _, |
| (_.runInContext ? _.runInContext(root) : _) |
| )); |
| |
| /** Used to detect instrumented istanbul code coverage runs. */ |
| var coverage = root.__coverage__ || root[lodashStable.findKey(root, function(value, key) { |
| return /^(?:\$\$cov_\d+\$\$)$/.test(key); |
| })]; |
| |
| /** Used to test generator functions. */ |
| var generator = lodashStable.attempt(function() { |
| return Function('return function*(){}'); |
| }); |
| |
| /** Used to restore the `_` reference. */ |
| var oldDash = root._; |
| |
| /** |
| * Used to check for problems removing whitespace. For a whitespace reference, |
| * see [V8's unit test](https://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/whitespaces.js). |
| */ |
| var whitespace = lodashStable.filter([ |
| // Basic whitespace characters. |
| ' ', '\t', '\x0b', '\f', '\xa0', '\ufeff', |
| |
| // Line terminators. |
| '\n', '\r', '\u2028', '\u2029', |
| |
| // Unicode category "Zs" space separators. |
| '\u1680', '\u180e', '\u2000', '\u2001', '\u2002', '\u2003', '\u2004', '\u2005', |
| '\u2006', '\u2007', '\u2008', '\u2009', '\u200a', '\u202f', '\u205f', '\u3000' |
| ], |
| function(chr) { return /\s/.exec(chr); }) |
| .join(''); |
| |
| /** |
| * Creates a custom error object. |
| * |
| * @private |
| * @constructor |
| * @param {string} message The error message. |
| */ |
| function CustomError(message) { |
| this.name = 'CustomError'; |
| this.message = message; |
| } |
| |
| CustomError.prototype = lodashStable.create(Error.prototype, { |
| 'constructor': CustomError |
| }); |
| |
| /** |
| * Removes all own enumerable string keyed properties from a given object. |
| * |
| * @private |
| * @param {Object} object The object to empty. |
| */ |
| function emptyObject(object) { |
| lodashStable.forOwn(object, function(value, key, object) { |
| delete object[key]; |
| }); |
| } |
| |
| /** |
| * Extracts the unwrapped value from its wrapper. |
| * |
| * @private |
| * @param {Object} wrapper The wrapper to unwrap. |
| * @returns {*} Returns the unwrapped value. |
| */ |
| function getUnwrappedValue(wrapper) { |
| var index = -1, |
| actions = wrapper.__actions__, |
| length = actions.length, |
| result = wrapper.__wrapped__; |
| |
| while (++index < length) { |
| var args = [result], |
| action = actions[index]; |
| |
| push.apply(args, action.args); |
| result = action.func.apply(action.thisArg, args); |
| } |
| return result; |
| } |
| |
| /** |
| * Sets a non-enumerable property value on `object`. |
| * |
| * Note: This function is used to avoid a bug in older versions of V8 where |
| * overwriting non-enumerable built-ins makes them enumerable. |
| * See https://code.google.com/p/v8/issues/detail?id=1623 |
| * |
| * @private |
| * @param {Object} object The object modify. |
| * @param {string} key The name of the property to set. |
| * @param {*} value The property value. |
| */ |
| function setProperty(object, key, value) { |
| try { |
| defineProperty(object, key, { |
| 'configurable': true, |
| 'enumerable': false, |
| 'writable': true, |
| 'value': value |
| }); |
| } catch (e) { |
| object[key] = value; |
| } |
| return object; |
| } |
| |
| /** |
| * Skips a given number of tests with a passing result. |
| * |
| * @private |
| * @param {Object} assert The QUnit assert object. |
| * @param {number} [count=1] The number of tests to skip. |
| */ |
| function skipAssert(assert, count) { |
| count || (count = 1); |
| while (count--) { |
| assert.ok(true, 'test skipped'); |
| } |
| } |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| // Add bizarro values. |
| (function() { |
| if (document || (typeof require != 'function')) { |
| return; |
| } |
| var nativeString = fnToString.call(toString), |
| reToString = /toString/g; |
| |
| function createToString(funcName) { |
| return lodashStable.constant(nativeString.replace(reToString, funcName)); |
| } |
| |
| // Allow bypassing native checks. |
| setProperty(funcProto, 'toString', function wrapper() { |
| setProperty(funcProto, 'toString', fnToString); |
| var result = lodashStable.has(this, 'toString') ? this.toString() : fnToString.call(this); |
| setProperty(funcProto, 'toString', wrapper); |
| return result; |
| }); |
| |
| // Add prototype extensions. |
| funcProto._method = noop; |
| |
| // Set bad shims. |
| setProperty(Object, 'create', (function() { |
| function object() {} |
| return function(prototype) { |
| if (lodashStable.isObject(prototype)) { |
| object.prototype = prototype; |
| var result = new object; |
| object.prototype = undefined; |
| } |
| return result || {}; |
| }; |
| }())); |
| |
| setProperty(Object, 'getOwnPropertySymbols', undefined); |
| |
| var _propertyIsEnumerable = objectProto.propertyIsEnumerable; |
| setProperty(objectProto, 'propertyIsEnumerable', function(key) { |
| return !(key == 'valueOf' && this && this.valueOf === 1) && _propertyIsEnumerable.call(this, key); |
| }); |
| |
| if (Buffer) { |
| defineProperty(root, 'Buffer', { |
| 'configurable': true, |
| 'enumerable': true, |
| 'get': function get() { |
| var caller = get.caller, |
| name = caller ? caller.name : ''; |
| |
| if (!(name == 'runInContext' || name.length == 1 || /\b_\.isBuffer\b/.test(caller))) { |
| return Buffer; |
| } |
| } |
| }); |
| } |
| if (Map) { |
| setProperty(root, 'Map', (function() { |
| var count = 0; |
| return function() { |
| if (count++) { |
| return new Map; |
| } |
| setProperty(root, 'Map', Map); |
| return {}; |
| }; |
| }())); |
| |
| setProperty(root.Map, 'toString', createToString('Map')); |
| } |
| setProperty(root, 'Promise', noop); |
| setProperty(root, 'Set', noop); |
| setProperty(root, 'Symbol', undefined); |
| setProperty(root, 'WeakMap', noop); |
| |
| // Fake `WinRTError`. |
| setProperty(root, 'WinRTError', Error); |
| |
| // Clear cache so lodash can be reloaded. |
| emptyObject(require.cache); |
| |
| // Load lodash and expose it to the bad extensions/shims. |
| lodashBizarro = (lodashBizarro = require(filePath))._ || lodashBizarro['default'] || lodashBizarro; |
| root._ = oldDash; |
| |
| // Restore built-in methods. |
| setProperty(Object, 'create', create); |
| setProperty(objectProto, 'propertyIsEnumerable', _propertyIsEnumerable); |
| setProperty(root, 'Buffer', Buffer); |
| |
| if (getSymbols) { |
| Object.getOwnPropertySymbols = getSymbols; |
| } else { |
| delete Object.getOwnPropertySymbols; |
| } |
| if (Map) { |
| setProperty(root, 'Map', Map); |
| } else { |
| delete root.Map; |
| } |
| if (Promise) { |
| setProperty(root, 'Promise', Promise); |
| } else { |
| delete root.Promise; |
| } |
| if (Set) { |
| setProperty(root, 'Set', Set); |
| } else { |
| delete root.Set; |
| } |
| if (Symbol) { |
| setProperty(root, 'Symbol', Symbol); |
| } else { |
| delete root.Symbol; |
| } |
| if (WeakMap) { |
| setProperty(root, 'WeakMap', WeakMap); |
| } else { |
| delete root.WeakMap; |
| } |
| delete root.WinRTError; |
| delete funcProto._method; |
| }()); |
| |
| // Add other realm values from the `vm` module. |
| lodashStable.attempt(function() { |
| lodashStable.assign(realm, require('vm').runInNewContext([ |
| '(function() {', |
| ' var noop = function() {},', |
| ' root = this;', |
| '', |
| ' var object = {', |
| " 'ArrayBuffer': root.ArrayBuffer,", |
| " 'arguments': (function() { return arguments; }(1, 2, 3)),", |
| " 'array': [1],", |
| " 'arrayBuffer': root.ArrayBuffer ? new root.ArrayBuffer : undefined,", |
| " 'boolean': Object(false),", |
| " 'date': new Date,", |
| " 'errors': [new Error, new EvalError, new RangeError, new ReferenceError, new SyntaxError, new TypeError, new URIError],", |
| " 'function': noop,", |
| " 'map': root.Map ? new root.Map : undefined,", |
| " 'nan': NaN,", |
| " 'null': null,", |
| " 'number': Object(0),", |
| " 'object': { 'a': 1 },", |
| " 'promise': root.Promise ? Promise.resolve(1) : undefined,", |
| " 'regexp': /x/,", |
| " 'set': root.Set ? new root.Set : undefined,", |
| " 'string': Object('a'),", |
| " 'symbol': root.Symbol ? root.Symbol() : undefined,", |
| " 'undefined': undefined,", |
| " 'weakMap': root.WeakMap ? new root.WeakMap : undefined,", |
| " 'weakSet': root.WeakSet ? new root.WeakSet : undefined", |
| ' };', |
| '', |
| " ['" + arrayViews.join("', '") + "'].forEach(function(type) {", |
| ' var Ctor = root[type]', |
| ' object[type] = Ctor;', |
| ' object[type.toLowerCase()] = Ctor ? new Ctor(new ArrayBuffer(24)) : undefined;', |
| ' });', |
| '', |
| ' return object;', |
| '}())' |
| ].join('\n'))); |
| }); |
| |
| // Add other realm values from an iframe. |
| lodashStable.attempt(function() { |
| _._realm = realm; |
| |
| var iframe = document.createElement('iframe'); |
| iframe.frameBorder = iframe.height = iframe.width = 0; |
| body.appendChild(iframe); |
| |
| var idoc = (idoc = iframe.contentDocument || iframe.contentWindow).document || idoc; |
| idoc.write([ |
| '<script>', |
| 'var _ = parent._;', |
| '', |
| ' var noop = function() {},', |
| ' root = this;', |
| '', |
| 'var object = {', |
| " 'ArrayBuffer': root.ArrayBuffer,", |
| " 'arguments': (function() { return arguments; }(1, 2, 3)),", |
| " 'array': [1],", |
| " 'arrayBuffer': root.ArrayBuffer ? new root.ArrayBuffer : undefined,", |
| " 'boolean': Object(false),", |
| " 'date': new Date,", |
| " 'errors': [new Error, new EvalError, new RangeError, new ReferenceError, new SyntaxError, new TypeError, new URIError],", |
| " 'function': noop,", |
| " 'map': root.Map ? new root.Map : undefined,", |
| " 'nan': NaN,", |
| " 'null': null,", |
| " 'number': Object(0),", |
| " 'object': { 'a': 1 },", |
| " 'promise': root.Promise ? Promise.resolve(1) : undefined,", |
| " 'regexp': /x/,", |
| " 'set': root.Set ? new root.Set : undefined,", |
| " 'string': Object('a'),", |
| " 'symbol': root.Symbol ? root.Symbol() : undefined,", |
| " 'undefined': undefined,", |
| " 'weakMap': root.WeakMap ? new root.WeakMap : undefined,", |
| " 'weakSet': root.WeakSet ? new root.WeakSet : undefined", |
| '};', |
| '', |
| "_.each(['" + arrayViews.join("', '") + "'], function(type) {", |
| ' var Ctor = root[type];', |
| ' object[type] = Ctor;', |
| ' object[type.toLowerCase()] = Ctor ? new Ctor(new ArrayBuffer(24)) : undefined;', |
| '});', |
| '', |
| '_.assign(_._realm, object);', |
| '<\/script>' |
| ].join('\n')); |
| |
| idoc.close(); |
| delete _._realm; |
| }); |
| |
| // Add a web worker. |
| lodashStable.attempt(function() { |
| var worker = new Worker('./asset/worker.js?t=' + (+new Date)); |
| worker.addEventListener('message', function(e) { |
| _._VERSION = e.data || ''; |
| }, false); |
| |
| worker.postMessage(ui.buildPath); |
| }); |
| |
| // Expose internal modules for better code coverage. |
| lodashStable.attempt(function() { |
| var path = require('path'), |
| basePath = path.dirname(filePath); |
| |
| if (isModularize && !(amd || isNpm)) { |
| lodashStable.each([ |
| '_baseEach', |
| '_isIndex', |
| '_isIterateeCall' |
| ], function(relPath) { |
| var func = require(path.join(basePath, relPath)), |
| funcName = path.basename(relPath); |
| |
| _['_' + funcName] = func[funcName] || func['default'] || func; |
| }); |
| } |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| if (params) { |
| console.log('Running lodash tests.'); |
| console.log('test.js invoked with arguments: ' + JSON.stringify(slice.call(params))); |
| } |
| |
| QUnit.module(basename); |
| |
| (function() { |
| QUnit.test('should support loading ' + basename + ' as the "lodash" module', function(assert) { |
| assert.expect(1); |
| |
| if (amd) { |
| assert.strictEqual((lodashModule || {}).moduleName, 'lodash'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should support loading ' + basename + ' with the Require.js "shim" configuration option', function(assert) { |
| assert.expect(1); |
| |
| if (amd && lodashStable.includes(ui.loaderPath, 'requirejs')) { |
| assert.strictEqual((shimmedModule || {}).moduleName, 'shimmed'); |
| } else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should support loading ' + basename + ' as the "underscore" module', function(assert) { |
| assert.expect(1); |
| |
| if (amd) { |
| assert.strictEqual((underscoreModule || {}).moduleName, 'underscore'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should support loading ' + basename + ' in a web worker', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| if (Worker) { |
| var limit = 30000 / QUnit.config.asyncRetries, |
| start = +new Date; |
| |
| var attempt = function() { |
| var actual = _._VERSION; |
| if ((new Date - start) < limit && typeof actual != 'string') { |
| setTimeout(attempt, 16); |
| return; |
| } |
| assert.strictEqual(actual, _.VERSION); |
| done(); |
| }; |
| |
| attempt(); |
| } |
| else { |
| skipAssert(assert); |
| done(); |
| } |
| }); |
| |
| QUnit.test('should not add `Function.prototype` extensions to lodash', function(assert) { |
| assert.expect(1); |
| |
| if (lodashBizarro) { |
| assert.notOk('_method' in lodashBizarro); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should avoid non-native built-ins', function(assert) { |
| assert.expect(7); |
| |
| function message(lodashMethod, nativeMethod) { |
| return '`' + lodashMethod + '` should avoid overwritten native `' + nativeMethod + '`'; |
| } |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var object = { 'a': 1 }, |
| otherObject = { 'b': 2 }, |
| largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object)); |
| |
| if (lodashBizarro) { |
| try { |
| var actual = lodashBizarro.keysIn(new Foo).sort(); |
| } catch (e) { |
| actual = null; |
| } |
| var label = message('_.keysIn', 'Object#propertyIsEnumerable'); |
| assert.deepEqual(actual, ['a', 'b'], label); |
| |
| try { |
| var actual = lodashBizarro.isEmpty({}); |
| } catch (e) { |
| actual = null; |
| } |
| var label = message('_.isEmpty', 'Object#propertyIsEnumerable'); |
| assert.strictEqual(actual, true, label); |
| |
| try { |
| actual = [ |
| lodashBizarro.difference([object, otherObject], largeArray), |
| lodashBizarro.intersection(largeArray, [object]), |
| lodashBizarro.uniq(largeArray) |
| ]; |
| } catch (e) { |
| actual = null; |
| } |
| label = message('_.difference`, `_.intersection`, and `_.uniq', 'Object.create` and `Map'); |
| assert.deepEqual(actual, [[otherObject], [object], [object]], label); |
| |
| try { |
| if (Symbol) { |
| object[symbol] = {}; |
| } |
| actual = [ |
| lodashBizarro.clone(object), |
| lodashBizarro.cloneDeep(object) |
| ]; |
| } catch (e) { |
| actual = null; |
| } |
| label = message('_.clone` and `_.cloneDeep', 'Object.getOwnPropertySymbols'); |
| assert.deepEqual(actual, [object, object], label); |
| |
| try { |
| var symObject = Object(symbol); |
| |
| // Avoid symbol detection in Babel's `typeof` helper. |
| symObject.constructor = Object; |
| |
| actual = [ |
| Symbol ? lodashBizarro.clone(symObject) : { 'constructor': Object }, |
| Symbol ? lodashBizarro.isEqual(symObject, Object(symbol)) : false, |
| Symbol ? lodashBizarro.toString(symObject) : '' |
| ]; |
| } catch (e) { |
| actual = null; |
| } |
| label = message('_.clone`, `_.isEqual`, and `_.toString', 'Symbol'); |
| assert.deepEqual(actual, [{ 'constructor': Object }, false, ''], label); |
| |
| try { |
| var map = new lodashBizarro.memoize.Cache; |
| actual = map.set('a', 1).get('a'); |
| } catch (e) { |
| actual = null; |
| } |
| label = message('_.memoize.Cache', 'Map'); |
| assert.deepEqual(actual, 1, label); |
| |
| try { |
| map = new (Map || Object); |
| if (Symbol && Symbol.iterator) { |
| map[Symbol.iterator] = null; |
| } |
| actual = lodashBizarro.toArray(map); |
| } catch (e) { |
| actual = null; |
| } |
| label = message('_.toArray', 'Map'); |
| assert.deepEqual(actual, [], label); |
| } |
| else { |
| skipAssert(assert, 7); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('isIndex'); |
| |
| (function() { |
| var func = _._isIndex; |
| |
| QUnit.test('should return `true` for indexes', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var values = [[0], ['0'], ['1'], [3, 4], [MAX_SAFE_INTEGER - 1]], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(args) { |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-indexes', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var values = [['1abc'], ['07'], ['0001'], [-1], [3, 3], [1.1], [MAX_SAFE_INTEGER]], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(args) { |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('isIterateeCall'); |
| |
| (function() { |
| var array = [1], |
| func = _._isIterateeCall, |
| object = { 'a': 1 }; |
| |
| QUnit.test('should return `true` for iteratee calls', function(assert) { |
| assert.expect(3); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| if (func) { |
| assert.strictEqual(func(1, 0, array), true); |
| assert.strictEqual(func(1, 'a', object), true); |
| assert.strictEqual(func(1, 'a', new Foo), true); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-iteratee calls', function(assert) { |
| assert.expect(4); |
| |
| if (func) { |
| assert.strictEqual(func(2, 0, array), false); |
| assert.strictEqual(func(1, 1.1, array), false); |
| assert.strictEqual(func(1, 0, { 'length': MAX_SAFE_INTEGER + 1 }), false); |
| assert.strictEqual(func(1, 'b', object), false); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should work with `NaN` values', function(assert) { |
| assert.expect(2); |
| |
| if (func) { |
| assert.strictEqual(func(NaN, 0, [NaN]), true); |
| assert.strictEqual(func(NaN, 'a', { 'a': NaN }), true); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should not error when `index` is an object without a `toString` method', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| try { |
| var actual = func(1, { 'toString': null }, [1]); |
| } catch (e) { |
| var message = e.message; |
| } |
| assert.strictEqual(actual, false, message || ''); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash constructor'); |
| |
| (function() { |
| var values = empties.concat(true, 1, 'a'), |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| QUnit.test('should create a new instance when called without the `new` operator', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = lodashStable.map(values, function(value) { |
| return _(value) instanceof _; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return the given `lodash` instances', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = lodashStable.map(values, function(value) { |
| var wrapped = _(value); |
| return _(wrapped) === wrapped; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should convert foreign wrapped values to `lodash` instances', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm && lodashBizarro) { |
| var actual = lodashStable.map(values, function(value) { |
| var wrapped = _(lodashBizarro(value)), |
| unwrapped = wrapped.value(); |
| |
| return wrapped instanceof _ && |
| ((unwrapped === value) || (unwrapped !== unwrapped && value !== value)); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.add'); |
| |
| (function() { |
| QUnit.test('should add two numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.add(6, 4), 10); |
| assert.strictEqual(_.add(-6, 4), -2); |
| assert.strictEqual(_.add(-6, -4), -10); |
| }); |
| |
| QUnit.test('should not coerce arguments to numbers', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.add('6', '4'), '64'); |
| assert.strictEqual(_.add('x', 'y'), 'xy'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.after'); |
| |
| (function() { |
| function after(n, times) { |
| var count = 0; |
| lodashStable.times(times, _.after(n, function() { count++; })); |
| return count; |
| } |
| |
| QUnit.test('should create a function that invokes `func` after `n` calls', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(after(5, 5), 1, 'after(n) should invoke `func` after being called `n` times'); |
| assert.strictEqual(after(5, 4), 0, 'after(n) should not invoke `func` before being called `n` times'); |
| assert.strictEqual(after(0, 0), 0, 'after(0) should not invoke `func` immediately'); |
| assert.strictEqual(after(0, 1), 1, 'after(0) should invoke `func` when called once'); |
| }); |
| |
| QUnit.test('should coerce `n` values of `NaN` to `0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(after(NaN, 1), 1); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var after = _.after(1, function(assert) { return ++this.count; }), |
| object = { 'after': after, 'count': 0 }; |
| |
| object.after(); |
| assert.strictEqual(object.after(), 2); |
| assert.strictEqual(object.count, 2); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.ary'); |
| |
| (function() { |
| function fn(a, b, c) { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should cap the number of arguments provided to `func`', function(assert) { |
| assert.expect(2); |
| |
| var actual = lodashStable.map(['6', '8', '10'], _.ary(parseInt, 1)); |
| assert.deepEqual(actual, [6, 8, 10]); |
| |
| var capped = _.ary(fn, 2); |
| assert.deepEqual(capped('a', 'b', 'c', 'd'), ['a', 'b']); |
| }); |
| |
| QUnit.test('should use `func.length` if `n` is not given', function(assert) { |
| assert.expect(1); |
| |
| var capped = _.ary(fn); |
| assert.deepEqual(capped('a', 'b', 'c', 'd'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should treat a negative `n` as `0`', function(assert) { |
| assert.expect(1); |
| |
| var capped = _.ary(fn, -1); |
| |
| try { |
| var actual = capped('a'); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, []); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(1); |
| |
| var values = ['1', 1.6, 'xyz'], |
| expected = [['a'], ['a'], []]; |
| |
| var actual = lodashStable.map(values, function(n) { |
| var capped = _.ary(fn, n); |
| return capped('a', 'b'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work when given less than the capped number of arguments', function(assert) { |
| assert.expect(1); |
| |
| var capped = _.ary(fn, 3); |
| assert.deepEqual(capped('a'), ['a']); |
| }); |
| |
| QUnit.test('should use the existing `ary` if smaller', function(assert) { |
| assert.expect(1); |
| |
| var capped = _.ary(_.ary(fn, 1), 2); |
| assert.deepEqual(capped('a', 'b', 'c'), ['a']); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var funcs = lodashStable.map([fn], _.ary), |
| actual = funcs[0]('a', 'b', 'c'); |
| |
| assert.deepEqual(actual, ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should work when combined with other methods that use metadata', function(assert) { |
| assert.expect(2); |
| |
| var array = ['a', 'b', 'c'], |
| includes = _.curry(_.rearg(_.ary(_.includes, 2), 1, 0), 2); |
| |
| assert.strictEqual(includes('b')(array, 2), true); |
| |
| if (!isNpm) { |
| includes = _(_.includes).ary(2).rearg(1, 0).curry(2).value(); |
| assert.strictEqual(includes('b')(array, 2), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.assignIn'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.extend, _.assignIn); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.assign and lodash.assignIn'); |
| |
| lodashStable.each(['assign', 'assignIn'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should assign source properties to `object`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func({ 'a': 1 }, { 'b': 2 }), { 'a': 1, 'b': 2 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should accept multiple sources', function(assert) { |
| assert.expect(2); |
| |
| var expected = { 'a': 1, 'b': 2, 'c': 3 }; |
| assert.deepEqual(func({ 'a': 1 }, { 'b': 2 }, { 'c': 3 }), expected); |
| assert.deepEqual(func({ 'a': 1 }, { 'b': 2, 'c': 2 }, { 'c': 3 }), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should overwrite destination properties', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'a': 3, 'b': 2, 'c': 1 }; |
| assert.deepEqual(func({ 'a': 1, 'b': 2 }, expected), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should assign source properties with nullish values', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'a': null, 'b': undefined, 'c': null }; |
| assert.deepEqual(func({ 'a': 1, 'b': 2 }, expected), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should skip assignments if values are the same', function(assert) { |
| assert.expect(1); |
| |
| var object = {}; |
| |
| var descriptor = { |
| 'configurable': true, |
| 'enumerable': true, |
| 'set': function() { throw new Error; } |
| }; |
| |
| var source = { |
| 'a': 1, |
| 'b': undefined, |
| 'c': NaN, |
| 'd': undefined, |
| 'constructor': Object, |
| 'toString': lodashStable.constant('source') |
| }; |
| |
| defineProperty(object, 'a', lodashStable.assign({}, descriptor, { |
| 'get': alwaysOne |
| })); |
| |
| defineProperty(object, 'b', lodashStable.assign({}, descriptor, { |
| 'get': noop |
| })); |
| |
| defineProperty(object, 'c', lodashStable.assign({}, descriptor, { |
| 'get': alwaysNaN |
| })); |
| |
| defineProperty(object, 'constructor', lodashStable.assign({}, descriptor, { |
| 'get': lodashStable.constant(Object) |
| })); |
| |
| try { |
| var actual = func(object, source); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, source); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat sparse array sources as dense', function(assert) { |
| assert.expect(1); |
| |
| var array = [1]; |
| array[2] = 3; |
| |
| assert.deepEqual(func({}, array), { '0': 1, '1': undefined, '2': 3 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should assign values of prototype objects', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| assert.deepEqual(func({}, Foo.prototype), { 'a': 1 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce string sources to objects', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func({}, 'a'), { '0': 'a' }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.assignInWith'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.extendWith, _.assignInWith); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.assignWith and lodash.assignInWith'); |
| |
| lodashStable.each(['assignWith', 'assignInWith'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should work with a `customizer` callback', function(assert) { |
| assert.expect(1); |
| |
| var actual = func({ 'a': 1, 'b': 2 }, { 'a': 3, 'c': 3 }, function(a, b) { |
| return a === undefined ? b : a; |
| }); |
| |
| assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a `customizer` that returns `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'a': undefined }; |
| assert.deepEqual(func({}, expected, noop), expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.at'); |
| |
| (function() { |
| var args = arguments, |
| array = ['a', 'b', 'c'], |
| object = { 'a': [{ 'b': { 'c': 3 } }, 4] }; |
| |
| QUnit.test('should return the elements corresponding to the specified keys', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at(array, [0, 2]); |
| assert.deepEqual(actual, ['a', 'c']); |
| }); |
| |
| QUnit.test('should return `undefined` for nonexistent keys', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at(array, [2, 4, 0]); |
| assert.deepEqual(actual, ['c', undefined, 'a']); |
| }); |
| |
| QUnit.test('should work with non-index keys on array values', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.reject(empties, function(value) { |
| return (value === 0) || lodashStable.isArray(value); |
| }).concat(-1, 1.1); |
| |
| var array = lodashStable.transform(values, function(result, value) { |
| result[value] = 1; |
| }, []); |
| |
| var expected = lodashStable.map(values, alwaysOne), |
| actual = _.at(array, values); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an empty array when no keys are given', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.at(array), []); |
| assert.deepEqual(_.at(array, [], []), []); |
| }); |
| |
| QUnit.test('should accept multiple key arguments', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at(['a', 'b', 'c', 'd'], 3, 0, 2); |
| assert.deepEqual(actual, ['d', 'a', 'c']); |
| }); |
| |
| QUnit.test('should work with a falsey `object` argument when keys are given', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, lodashStable.constant(Array(4))); |
| |
| var actual = lodashStable.map(falsey, function(object) { |
| try { |
| return _.at(object, 0, 1, 'pop', 'push'); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with an `arguments` object for `object`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at(args, [2, 0]); |
| assert.deepEqual(actual, [3, 1]); |
| }); |
| |
| QUnit.test('should work with `arguments` object as secondary arguments', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at([1, 2, 3, 4, 5], args); |
| assert.deepEqual(actual, [2, 3, 4]); |
| }); |
| |
| QUnit.test('should work with an object for `object`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.at(object, ['a[0].b.c', 'a[1]']); |
| assert.deepEqual(actual, [3, 4]); |
| }); |
| |
| QUnit.test('should pluck inherited property values', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var actual = _.at(new Foo, 'b'); |
| assert.deepEqual(actual, [2]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var largeArray = lodashStable.range(LARGE_ARRAY_SIZE), |
| smallArray = array; |
| |
| lodashStable.each([[2], ['2'], [2, 1]], function(paths) { |
| lodashStable.times(2, function(index) { |
| var array = index ? largeArray : smallArray, |
| wrapped = _(array).map(identity).at(paths); |
| |
| assert.deepEqual(wrapped.value(), _.at(_.map(array, identity), paths)); |
| }); |
| }); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| |
| QUnit.test('should support shortcut fusion', function(assert) { |
| assert.expect(8); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| count = 0, |
| iteratee = function(value) { count++; return square(value); }, |
| lastIndex = LARGE_ARRAY_SIZE - 1; |
| |
| lodashStable.each([lastIndex, lastIndex + '', LARGE_ARRAY_SIZE, []], function(n, index) { |
| count = 0; |
| var actual = _(array).map(iteratee).at(n).value(), |
| expected = index < 2 ? 1 : 0; |
| |
| assert.strictEqual(count, expected); |
| |
| expected = index == 3 ? [] : [index == 2 ? undefined : square(lastIndex)]; |
| assert.deepEqual(actual, expected); |
| }); |
| } |
| else { |
| skipAssert(assert, 8); |
| } |
| }); |
| |
| QUnit.test('work with an object for `object` when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var paths = ['a[0].b.c', 'a[1]'], |
| actual = _(object).map(identity).at(paths).value(); |
| |
| assert.deepEqual(actual, _.at(_.map(object, identity), paths)); |
| |
| var indexObject = { '0': 1 }; |
| actual = _(indexObject).at(0).value(); |
| assert.deepEqual(actual, _.at(indexObject, 0)); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.attempt'); |
| |
| (function() { |
| QUnit.test('should return the result of `func`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.attempt(lodashStable.constant('x')), 'x'); |
| }); |
| |
| QUnit.test('should provide additional arguments to `func`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.attempt(function() { return slice.call(arguments); }, 1, 2); |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('should return the caught error', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(errors, alwaysTrue); |
| |
| var actual = lodashStable.map(errors, function(error) { |
| return _.attempt(function() { throw error; }) === error; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce errors to error objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.attempt(function() { throw 'x'; }); |
| assert.ok(lodashStable.isEqual(actual, Error('x'))); |
| }); |
| |
| QUnit.test('should preserve custom errors', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.attempt(function() { throw new CustomError('x'); }); |
| assert.ok(actual instanceof CustomError); |
| }); |
| |
| QUnit.test('should work with an error object from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.errors) { |
| var expected = lodashStable.map(realm.errors, alwaysTrue); |
| |
| var actual = lodashStable.map(realm.errors, function(error) { |
| return _.attempt(function() { throw error; }) === error; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(lodashStable.constant('x')).attempt(), 'x'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(lodashStable.constant('x')).chain().attempt() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.before'); |
| |
| (function() { |
| function before(n, times) { |
| var count = 0; |
| lodashStable.times(times, _.before(n, function() { count++; })); |
| return count; |
| } |
| |
| QUnit.test('should create a function that invokes `func` after `n` calls', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(before(5, 4), 4, 'before(n) should invoke `func` before being called `n` times'); |
| assert.strictEqual(before(5, 6), 4, 'before(n) should not invoke `func` after being called `n - 1` times'); |
| assert.strictEqual(before(0, 0), 0, 'before(0) should not invoke `func` immediately'); |
| assert.strictEqual(before(0, 1), 0, 'before(0) should not invoke `func` when called'); |
| }); |
| |
| QUnit.test('should coerce `n` values of `NaN` to `0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(before(NaN, 1), 0); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var before = _.before(2, function(assert) { return ++this.count; }), |
| object = { 'before': before, 'count': 0 }; |
| |
| object.before(); |
| assert.strictEqual(object.before(), 1); |
| assert.strictEqual(object.count, 1); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.bind'); |
| |
| (function() { |
| function fn() { |
| var result = [this]; |
| push.apply(result, arguments); |
| return result; |
| } |
| |
| QUnit.test('should bind a function to an object', function(assert) { |
| assert.expect(1); |
| |
| var object = {}, |
| bound = _.bind(fn, object); |
| |
| assert.deepEqual(bound('a'), [object, 'a']); |
| }); |
| |
| QUnit.test('should accept a falsey `thisArg` argument', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.reject(falsey.slice(1), function(value) { return value == null; }), |
| expected = lodashStable.map(values, function(value) { return [value]; }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| var bound = _.bind(fn, value); |
| return bound(); |
| } catch (e) {} |
| }); |
| |
| assert.ok(lodashStable.every(actual, function(value, index) { |
| return lodashStable.isEqual(value, expected[index]); |
| })); |
| }); |
| |
| QUnit.test('should bind a function to nullish values', function(assert) { |
| assert.expect(6); |
| |
| var bound = _.bind(fn, null), |
| actual = bound('a'); |
| |
| assert.ok((actual[0] === null) || (actual[0] && actual[0].Array)); |
| assert.strictEqual(actual[1], 'a'); |
| |
| lodashStable.times(2, function(index) { |
| bound = index ? _.bind(fn, undefined) : _.bind(fn); |
| actual = bound('b'); |
| |
| assert.ok((actual[0] === undefined) || (actual[0] && actual[0].Array)); |
| assert.strictEqual(actual[1], 'b'); |
| }); |
| }); |
| |
| QUnit.test('should partially apply arguments ', function(assert) { |
| assert.expect(4); |
| |
| var object = {}, |
| bound = _.bind(fn, object, 'a'); |
| |
| assert.deepEqual(bound(), [object, 'a']); |
| |
| bound = _.bind(fn, object, 'a'); |
| assert.deepEqual(bound('b'), [object, 'a', 'b']); |
| |
| bound = _.bind(fn, object, 'a', 'b'); |
| assert.deepEqual(bound(), [object, 'a', 'b']); |
| assert.deepEqual(bound('c', 'd'), [object, 'a', 'b', 'c', 'd']); |
| }); |
| |
| QUnit.test('should support placeholders', function(assert) { |
| assert.expect(4); |
| |
| var object = {}, |
| ph = _.bind.placeholder, |
| bound = _.bind(fn, object, ph, 'b', ph); |
| |
| assert.deepEqual(bound('a', 'c'), [object, 'a', 'b', 'c']); |
| assert.deepEqual(bound('a'), [object, 'a', 'b', undefined]); |
| assert.deepEqual(bound('a', 'c', 'd'), [object, 'a', 'b', 'c', 'd']); |
| assert.deepEqual(bound(), [object, undefined, 'b', undefined]); |
| }); |
| |
| QUnit.test('should use `_.placeholder` when set', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var _ph = _.placeholder = {}, |
| ph = _.bind.placeholder, |
| object = {}, |
| bound = _.bind(fn, object, _ph, 'b', ph); |
| |
| assert.deepEqual(bound('a', 'c'), [object, 'a', 'b', ph, 'c']); |
| delete _.placeholder; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should create a function with a `length` of `0`', function(assert) { |
| assert.expect(2); |
| |
| var fn = function(a, b, c) {}, |
| bound = _.bind(fn, {}); |
| |
| assert.strictEqual(bound.length, 0); |
| |
| bound = _.bind(fn, {}, 1); |
| assert.strictEqual(bound.length, 0); |
| }); |
| |
| QUnit.test('should ignore binding when called with the `new` operator', function(assert) { |
| assert.expect(3); |
| |
| function Foo() { |
| return this; |
| } |
| |
| var bound = _.bind(Foo, { 'a': 1 }), |
| newBound = new bound; |
| |
| assert.strictEqual(bound().a, 1); |
| assert.strictEqual(newBound.a, undefined); |
| assert.ok(newBound instanceof Foo); |
| }); |
| |
| QUnit.test('should handle a number of arguments when called with the `new` operator', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| return this; |
| } |
| |
| function Bar() {} |
| |
| var thisArg = { 'a': 1 }, |
| boundFoo = _.bind(Foo, thisArg), |
| boundBar = _.bind(Bar, thisArg), |
| count = 9, |
| expected = lodashStable.times(count, lodashStable.constant([undefined, undefined])); |
| |
| var actual = lodashStable.times(count, function(index) { |
| try { |
| switch (index) { |
| case 0: return [new boundFoo().a, new boundBar().a]; |
| case 1: return [new boundFoo(1).a, new boundBar(1).a]; |
| case 2: return [new boundFoo(1, 2).a, new boundBar(1, 2).a]; |
| case 3: return [new boundFoo(1, 2, 3).a, new boundBar(1, 2, 3).a]; |
| case 4: return [new boundFoo(1, 2, 3, 4).a, new boundBar(1, 2, 3, 4).a]; |
| case 5: return [new boundFoo(1, 2, 3, 4, 5).a, new boundBar(1, 2, 3, 4, 5).a]; |
| case 6: return [new boundFoo(1, 2, 3, 4, 5, 6).a, new boundBar(1, 2, 3, 4, 5, 6).a]; |
| case 7: return [new boundFoo(1, 2, 3, 4, 5, 6, 7).a, new boundBar(1, 2, 3, 4, 5, 6, 7).a]; |
| case 8: return [new boundFoo(1, 2, 3, 4, 5, 6, 7, 8).a, new boundBar(1, 2, 3, 4, 5, 6, 7, 8).a]; |
| } |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ensure `new bound` is an instance of `func`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(value) { |
| return value && object; |
| } |
| |
| var bound = _.bind(Foo), |
| object = {}; |
| |
| assert.ok(new bound instanceof Foo); |
| assert.strictEqual(new bound(true), object); |
| }); |
| |
| QUnit.test('should append array arguments to partially applied arguments', function(assert) { |
| assert.expect(1); |
| |
| var object = {}, |
| bound = _.bind(fn, object, 'a'); |
| |
| assert.deepEqual(bound(['b'], 'c'), [object, 'a', ['b'], 'c']); |
| }); |
| |
| QUnit.test('should not rebind functions', function(assert) { |
| assert.expect(3); |
| |
| var object1 = {}, |
| object2 = {}, |
| object3 = {}; |
| |
| var bound1 = _.bind(fn, object1), |
| bound2 = _.bind(bound1, object2, 'a'), |
| bound3 = _.bind(bound1, object3, 'b'); |
| |
| assert.deepEqual(bound1(), [object1]); |
| assert.deepEqual(bound2(), [object1, 'a']); |
| assert.deepEqual(bound3(), [object1, 'b']); |
| }); |
| |
| QUnit.test('should not error when instantiating bound built-ins', function(assert) { |
| assert.expect(2); |
| |
| var Ctor = _.bind(Date, null), |
| expected = new Date(2012, 4, 23, 0, 0, 0, 0); |
| |
| try { |
| var actual = new Ctor(2012, 4, 23, 0, 0, 0, 0); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, expected); |
| |
| Ctor = _.bind(Date, null, 2012, 4, 23); |
| |
| try { |
| actual = new Ctor(0, 0, 0, 0); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not error when calling bound class constructors with the `new` operator', function(assert) { |
| assert.expect(1); |
| |
| var createCtor = lodashStable.attempt(Function, '"use strict";return class A{}'); |
| |
| if (typeof createCtor == 'function') { |
| var bound = _.bind(createCtor()), |
| count = 8, |
| expected = lodashStable.times(count, alwaysTrue); |
| |
| var actual = lodashStable.times(count, function(index) { |
| try { |
| switch (index) { |
| case 0: return !!(new bound); |
| case 1: return !!(new bound(1)); |
| case 2: return !!(new bound(1, 2)); |
| case 3: return !!(new bound(1, 2, 3)); |
| case 4: return !!(new bound(1, 2, 3, 4)); |
| case 5: return !!(new bound(1, 2, 3, 4, 5)); |
| case 6: return !!(new bound(1, 2, 3, 4, 5, 6)); |
| case 7: return !!(new bound(1, 2, 3, 4, 5, 6, 7)); |
| } |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var object = {}, |
| bound = _(fn).bind({}, 'a', 'b'); |
| |
| assert.ok(bound instanceof _); |
| |
| var actual = bound.value()('c'); |
| assert.deepEqual(actual, [object, 'a', 'b', 'c']); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.bindAll'); |
| |
| (function() { |
| var args = arguments; |
| |
| var source = { |
| '_n0': -2, |
| '_p0': -1, |
| '_a': 1, |
| '_b': 2, |
| '_c': 3, |
| '_d': 4, |
| '-0': function() { return this._n0; }, |
| '0': function() { return this._p0; }, |
| 'a': function() { return this._a; }, |
| 'b': function() { return this._b; }, |
| 'c': function() { return this._c; }, |
| 'd': function() { return this._d; } |
| }; |
| |
| QUnit.test('should accept individual method names', function(assert) { |
| assert.expect(1); |
| |
| var object = lodashStable.cloneDeep(source); |
| _.bindAll(object, 'a', 'b'); |
| |
| var actual = lodashStable.map(['a', 'b', 'c'], function(key) { |
| return object[key].call({}); |
| }); |
| |
| assert.deepEqual(actual, [1, 2, undefined]); |
| }); |
| |
| QUnit.test('should accept arrays of method names', function(assert) { |
| assert.expect(1); |
| |
| var object = lodashStable.cloneDeep(source); |
| _.bindAll(object, ['a', 'b'], ['c']); |
| |
| var actual = lodashStable.map(['a', 'b', 'c', 'd'], function(key) { |
| return object[key].call({}); |
| }); |
| |
| assert.deepEqual(actual, [1, 2, 3, undefined]); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| var object = lodashStable.cloneDeep(source); |
| _.bindAll(object, key); |
| return object[lodashStable.toString(key)].call({}); |
| }); |
| |
| assert.deepEqual(actual, [-2, -2, -1, -1]); |
| }); |
| |
| QUnit.test('should work with an array `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var array = ['push', 'pop']; |
| _.bindAll(array); |
| assert.strictEqual(array.pop, arrayProto.pop); |
| }); |
| |
| QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) { |
| assert.expect(1); |
| |
| var object = lodashStable.cloneDeep(source); |
| _.bindAll(object, args); |
| |
| var actual = lodashStable.map(args, function(key) { |
| return object[key].call({}); |
| }); |
| |
| assert.deepEqual(actual, [1]); |
| }); |
| }('a')); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.bindKey'); |
| |
| (function() { |
| QUnit.test('should work when the target function is overwritten', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'user': 'fred', |
| 'greet': function(greeting) { |
| return this.user + ' says: ' + greeting; |
| } |
| }; |
| |
| var bound = _.bindKey(object, 'greet', 'hi'); |
| assert.strictEqual(bound(), 'fred says: hi'); |
| |
| object.greet = function(greeting) { |
| return this.user + ' says: ' + greeting + '!'; |
| }; |
| |
| assert.strictEqual(bound(), 'fred says: hi!'); |
| }); |
| |
| QUnit.test('should support placeholders', function(assert) { |
| assert.expect(4); |
| |
| var object = { |
| 'fn': function() { |
| return slice.call(arguments); |
| } |
| }; |
| |
| var ph = _.bindKey.placeholder, |
| bound = _.bindKey(object, 'fn', ph, 'b', ph); |
| |
| assert.deepEqual(bound('a', 'c'), ['a', 'b', 'c']); |
| assert.deepEqual(bound('a'), ['a', 'b', undefined]); |
| assert.deepEqual(bound('a', 'c', 'd'), ['a', 'b', 'c', 'd']); |
| assert.deepEqual(bound(), [undefined, 'b', undefined]); |
| }); |
| |
| QUnit.test('should use `_.placeholder` when set', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var object = { |
| 'fn': function() { |
| return slice.call(arguments); |
| } |
| }; |
| |
| var _ph = _.placeholder = {}, |
| ph = _.bindKey.placeholder, |
| bound = _.bindKey(object, 'fn', _ph, 'b', ph); |
| |
| assert.deepEqual(bound('a', 'c'), ['a', 'b', ph, 'c']); |
| delete _.placeholder; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should ensure `new bound` is an instance of `object[key]`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(value) { |
| return value && object; |
| } |
| |
| var object = { 'Foo': Foo }, |
| bound = _.bindKey(object, 'Foo'); |
| |
| assert.ok(new bound instanceof Foo); |
| assert.strictEqual(new bound(true), object); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('case methods'); |
| |
| lodashStable.each(['camel', 'kebab', 'lower', 'snake', 'start', 'upper'], function(caseName) { |
| var methodName = caseName + 'Case', |
| func = _[methodName]; |
| |
| var strings = [ |
| 'foo bar', 'Foo bar', 'foo Bar', 'Foo Bar', |
| 'FOO BAR', 'fooBar', '--foo-bar--', '__foo_bar__' |
| ]; |
| |
| var converted = (function() { |
| switch (caseName) { |
| case 'camel': return 'fooBar'; |
| case 'kebab': return 'foo-bar'; |
| case 'lower': return 'foo bar'; |
| case 'snake': return 'foo_bar'; |
| case 'start': return 'Foo Bar'; |
| case 'upper': return 'FOO BAR'; |
| } |
| }()); |
| |
| QUnit.test('`_.' + methodName + '` should convert `string` to ' + caseName + ' case', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(strings, function(string) { |
| var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted; |
| return func(string) === expected; |
| }); |
| |
| assert.deepEqual(actual, lodashStable.map(strings, alwaysTrue)); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle double-converting strings', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(strings, function(string) { |
| var expected = (caseName == 'start' && string == 'FOO BAR') ? string : converted; |
| return func(func(string)) === expected; |
| }); |
| |
| assert.deepEqual(actual, lodashStable.map(strings, alwaysTrue)); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should deburr letters', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(burredLetters, function(burred, index) { |
| var letter = deburredLetters[index]; |
| if (caseName == 'start') { |
| letter = lodashStable.capitalize(letter); |
| } else if (caseName == 'upper') { |
| letter = letter.toUpperCase(); |
| } else { |
| letter = letter.toLowerCase(); |
| } |
| return func(burred) === letter; |
| }); |
| |
| assert.deepEqual(actual, lodashStable.map(burredLetters, alwaysTrue)); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should remove contraction apostrophes', function(assert) { |
| assert.expect(2); |
| |
| var postfixes = ['d', 'll', 'm', 're', 's', 't', 've']; |
| |
| lodashStable.each(["'", '\u2019'], function(apos) { |
| var actual = lodashStable.map(postfixes, function(postfix) { |
| return func('a b' + apos + postfix + ' c'); |
| }); |
| |
| var expected = lodashStable.map(postfixes, function(postfix) { |
| switch (caseName) { |
| case 'camel': return 'aB' + postfix + 'C'; |
| case 'kebab': return 'a-b' + postfix + '-c'; |
| case 'lower': return 'a b' + postfix + ' c'; |
| case 'snake': return 'a_b' + postfix + '_c'; |
| case 'start': return 'A B' + postfix + ' C'; |
| case 'upper': return 'A B' + postfix.toUpperCase() + ' C'; |
| } |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should remove latin-1 mathematical operators', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(['\xd7', '\xf7'], func); |
| assert.deepEqual(actual, ['', '']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) { |
| assert.expect(2); |
| |
| var string = 'foo bar'; |
| assert.strictEqual(func(Object(string)), converted); |
| assert.strictEqual(func({ 'toString': lodashStable.constant(string) }), converted); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value implicitly when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_('foo bar')[methodName](), converted); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_('foo bar').chain()[methodName]() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| (function() { |
| QUnit.test('should get the original value after cycling through all case methods', function(assert) { |
| assert.expect(1); |
| |
| var funcs = [_.camelCase, _.kebabCase, _.lowerCase, _.snakeCase, _.startCase, _.lowerCase, _.camelCase]; |
| |
| var actual = lodashStable.reduce(funcs, function(result, func) { |
| return func(result); |
| }, 'enable 6h format'); |
| |
| assert.strictEqual(actual, 'enable6HFormat'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.camelCase'); |
| |
| (function() { |
| QUnit.test('should work with numbers', function(assert) { |
| assert.expect(6); |
| |
| assert.strictEqual(_.camelCase('12 feet'), '12Feet'); |
| assert.strictEqual(_.camelCase('enable 6h format'), 'enable6HFormat'); |
| assert.strictEqual(_.camelCase('enable 24H format'), 'enable24HFormat'); |
| assert.strictEqual(_.camelCase('too legit 2 quit'), 'tooLegit2Quit'); |
| assert.strictEqual(_.camelCase('walk 500 miles'), 'walk500Miles'); |
| assert.strictEqual(_.camelCase('xhr2 request'), 'xhr2Request'); |
| }); |
| |
| QUnit.test('should handle acronyms', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.each(['safe HTML', 'safeHTML'], function(string) { |
| assert.strictEqual(_.camelCase(string), 'safeHtml'); |
| }); |
| |
| lodashStable.each(['escape HTML entities', 'escapeHTMLEntities'], function(string) { |
| assert.strictEqual(_.camelCase(string), 'escapeHtmlEntities'); |
| }); |
| |
| lodashStable.each(['XMLHttpRequest', 'XmlHTTPRequest'], function(string) { |
| assert.strictEqual(_.camelCase(string), 'xmlHttpRequest'); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.capitalize'); |
| |
| (function() { |
| QUnit.test('should capitalize the first character of a string', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.capitalize('fred'), 'Fred'); |
| assert.strictEqual(_.capitalize('Fred'), 'Fred'); |
| assert.strictEqual(_.capitalize(' fred'), ' fred'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.castArray'); |
| |
| (function() { |
| QUnit.test('should wrap non-array items in an array', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat(true, 1, 'a', { 'a': 1 }), |
| expected = lodashStable.map(values, function(value) { return [value]; }), |
| actual = lodashStable.map(values, _.castArray); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return array values by reference', function(assert) { |
| assert.expect(1); |
| |
| var array = [1]; |
| assert.strictEqual(_.castArray(array), array); |
| }); |
| |
| QUnit.test('should return an empty array when no arguments are given', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.castArray(), []); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.chain'); |
| |
| (function() { |
| QUnit.test('should return a wrapped value', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _.chain({ 'a': 0 }); |
| assert.ok(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return existing wrapped values', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _({ 'a': 0 }); |
| assert.strictEqual(_.chain(wrapped), wrapped); |
| assert.strictEqual(wrapped.chain(), wrapped); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should enable chaining for methods that return unwrapped values', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var array = ['c', 'b', 'a']; |
| |
| assert.ok(_.chain(array).head() instanceof _); |
| assert.ok(_(array).chain().head() instanceof _); |
| |
| assert.ok(_.chain(array).isArray() instanceof _); |
| assert.ok(_(array).chain().isArray() instanceof _); |
| |
| assert.ok(_.chain(array).sortBy().head() instanceof _); |
| assert.ok(_(array).chain().sortBy().head() instanceof _); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| |
| QUnit.test('should chain multiple methods', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| lodashStable.times(2, function(index) { |
| var array = ['one two three four', 'five six seven eight', 'nine ten eleven twelve'], |
| expected = { ' ': 9, 'e': 14, 'f': 2, 'g': 1, 'h': 2, 'i': 4, 'l': 2, 'n': 6, 'o': 3, 'r': 2, 's': 2, 't': 5, 'u': 1, 'v': 4, 'w': 2, 'x': 1 }, |
| wrapped = index ? _(array).chain() : _.chain(array); |
| |
| var actual = wrapped |
| .chain() |
| .map(function(value) { return value.split(''); }) |
| .flatten() |
| .reduce(function(object, chr) { |
| object[chr] || (object[chr] = 0); |
| object[chr]++; |
| return object; |
| }, {}) |
| .value(); |
| |
| assert.deepEqual(actual, expected); |
| |
| array = [1, 2, 3, 4, 5, 6]; |
| wrapped = index ? _(array).chain() : _.chain(array); |
| actual = wrapped |
| .chain() |
| .filter(function(n) { return n % 2 != 0; }) |
| .reject(function(n) { return n % 3 == 0; }) |
| .sortBy(function(n) { return -n; }) |
| .value(); |
| |
| assert.deepEqual(actual, [5, 1]); |
| |
| array = [3, 4]; |
| wrapped = index ? _(array).chain() : _.chain(array); |
| actual = wrapped |
| .reverse() |
| .concat([2, 1]) |
| .unshift(5) |
| .tap(function(value) { value.pop(); }) |
| .map(square) |
| .value(); |
| |
| assert.deepEqual(actual, [25, 16, 9, 4]); |
| }); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.chunk'); |
| |
| (function() { |
| var array = [0, 1, 2, 3, 4, 5]; |
| |
| QUnit.test('should return chunked arrays', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.chunk(array, 3); |
| assert.deepEqual(actual, [[0, 1, 2], [3, 4, 5]]); |
| }); |
| |
| QUnit.test('should return the last chunk as remaining elements', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.chunk(array, 4); |
| assert.deepEqual(actual, [[0, 1, 2, 3], [4, 5]]); |
| }); |
| |
| QUnit.test('should treat falsey `size` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? [[0], [1], [2], [3], [4], [5]] : []; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(size, index) { |
| return index ? _.chunk(array, size) : _.chunk(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ensure the minimum `size` is `0`', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.reject(falsey, lodashStable.isUndefined).concat(-1, -Infinity), |
| expected = lodashStable.map(values, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(values, function(n) { |
| return _.chunk(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce `size` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.chunk(array, array.length / 4), [[0], [1], [2], [3], [4], [5]]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([[1, 2], [3, 4]], _.chunk); |
| assert.deepEqual(actual, [[[1], [2]], [[3], [4]]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.clamp'); |
| |
| (function() { |
| QUnit.test('should work with a `max` argument', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.clamp(5, 3), 3); |
| assert.strictEqual(_.clamp(1, 3), 1); |
| }); |
| |
| QUnit.test('should clamp negative numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.clamp(-10, -5, 5), -5); |
| assert.strictEqual(_.clamp(-10.2, -5.5, 5.5), -5.5); |
| assert.strictEqual(_.clamp(-Infinity, -5, 5), -5); |
| }); |
| |
| QUnit.test('should clamp positive numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.clamp(10, -5, 5), 5); |
| assert.strictEqual(_.clamp(10.6, -5.6, 5.4), 5.4); |
| assert.strictEqual(_.clamp(Infinity, -5, 5), 5); |
| }); |
| |
| QUnit.test('should not alter negative numbers in range', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.clamp(-4, -5, 5), -4); |
| assert.strictEqual(_.clamp(-5, -5, 5), -5); |
| assert.strictEqual(_.clamp(-5.5, -5.6, 5.6), -5.5); |
| }); |
| |
| QUnit.test('should not alter positive numbers in range', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.clamp(4, -5, 5), 4); |
| assert.strictEqual(_.clamp(5, -5, 5), 5); |
| assert.strictEqual(_.clamp(4.5, -5.1, 5.2), 4.5); |
| }); |
| |
| QUnit.test('should not alter `0` in range', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / _.clamp(0, -5, 5), Infinity); |
| }); |
| |
| QUnit.test('should clamp to `0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / _.clamp(-10, 0, 5), Infinity); |
| }); |
| |
| QUnit.test('should not alter `-0` in range', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / _.clamp(-0, -5, 5), -Infinity); |
| }); |
| |
| QUnit.test('should clamp to `-0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / _.clamp(-10, -0, 5), -Infinity); |
| }); |
| |
| QUnit.test('should return `NaN` when `number` is `NaN`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.clamp(NaN, -5, 5), NaN); |
| }); |
| |
| QUnit.test('should coerce `min` and `max` of `NaN` to `0`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.clamp(1, -5, NaN), 0); |
| assert.deepEqual(_.clamp(-1, NaN, 5), 0); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('clone methods'); |
| |
| (function() { |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 1; |
| Foo.c = function() {}; |
| |
| if (Map) { |
| var map = new Map; |
| map.set('a', 1); |
| map.set('b', 2); |
| } |
| if (Set) { |
| var set = new Set; |
| set.add(1); |
| set.add(2); |
| } |
| var objects = { |
| '`arguments` objects': arguments, |
| 'arrays': ['a', ''], |
| 'array-like-objects': { '0': 'a', '1': '', 'length': 3 }, |
| 'booleans': false, |
| 'boolean objects': Object(false), |
| 'date objects': new Date, |
| 'Foo instances': new Foo, |
| 'objects': { 'a': 0, 'b': 1, 'c': 2 }, |
| 'objects with object values': { 'a': /a/, 'b': ['B'], 'c': { 'C': 1 } }, |
| 'objects from another document': realm.object || {}, |
| 'maps': map, |
| 'null values': null, |
| 'numbers': 0, |
| 'number objects': Object(0), |
| 'regexes': /a/gim, |
| 'sets': set, |
| 'strings': 'a', |
| 'string objects': Object('a'), |
| 'undefined values': undefined |
| }; |
| |
| objects.arrays.length = 3; |
| |
| var uncloneable = { |
| 'DOM elements': body, |
| 'functions': Foo, |
| 'generators': generator |
| }; |
| |
| lodashStable.each(errors, function(error) { |
| uncloneable[error.name + 's'] = error; |
| }); |
| |
| QUnit.test('`_.clone` should perform a shallow clone', function(assert) { |
| assert.expect(2); |
| |
| var array = [{ 'a': 0 }, { 'b': 1 }], |
| actual = _.clone(array); |
| |
| assert.deepEqual(actual, array); |
| assert.ok(actual !== array && actual[0] === array[0]); |
| }); |
| |
| QUnit.test('`_.cloneDeep` should deep clone objects with circular references', function(assert) { |
| assert.expect(1); |
| |
| var object = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': {} |
| }; |
| |
| object.foo.b.c.d = object; |
| object.bar.b = object.foo.b; |
| |
| var actual = _.cloneDeep(object); |
| assert.ok(actual.bar.b === actual.foo.b && actual === actual.foo.b.c.d && actual !== object); |
| }); |
| |
| QUnit.test('`_.cloneDeep` should deep clone objects with lots of circular references', function(assert) { |
| assert.expect(2); |
| |
| var cyclical = {}; |
| lodashStable.times(LARGE_ARRAY_SIZE + 1, function(index) { |
| cyclical['v' + index] = [index ? cyclical['v' + (index - 1)] : cyclical]; |
| }); |
| |
| var clone = _.cloneDeep(cyclical), |
| actual = clone['v' + LARGE_ARRAY_SIZE][0]; |
| |
| assert.strictEqual(actual, clone['v' + (LARGE_ARRAY_SIZE - 1)]); |
| assert.notStrictEqual(actual, cyclical['v' + (LARGE_ARRAY_SIZE - 1)]); |
| }); |
| |
| QUnit.test('`_.cloneDeepWith` should provide `stack` to `customizer`', function(assert) { |
| assert.expect(164); |
| |
| var Stack, |
| keys = [null, undefined, false, true, 1, -Infinity, NaN, {}, 'a', symbol || {}]; |
| |
| var pairs = lodashStable.map(keys, function(key, index) { |
| var lastIndex = keys.length - 1; |
| return [key, keys[lastIndex - index]]; |
| }); |
| |
| _.cloneDeepWith({ 'a': 1 }, function() { |
| if (arguments.length > 1) { |
| Stack || (Stack = _.last(arguments).constructor); |
| } |
| }); |
| |
| var stacks = [new Stack(pairs), new Stack(pairs)]; |
| |
| lodashStable.times(LARGE_ARRAY_SIZE - pairs.length + 1, function() { |
| stacks[1].set({}, {}); |
| }); |
| |
| lodashStable.each(stacks, function(stack) { |
| lodashStable.each(keys, function(key, index) { |
| var value = pairs[index][1]; |
| |
| assert.deepEqual(stack.get(key), value); |
| assert.strictEqual(stack.has(key), true); |
| assert.strictEqual(stack['delete'](key), true); |
| assert.strictEqual(stack.has(key), false); |
| assert.strictEqual(stack.get(key), undefined); |
| assert.strictEqual(stack['delete'](key), false); |
| assert.strictEqual(stack.set(key, value), stack); |
| assert.strictEqual(stack.has(key), true); |
| }); |
| |
| assert.strictEqual(stack.clear(), undefined); |
| assert.ok(lodashStable.every(keys, function(key) { |
| return !stack.has(key); |
| })); |
| }); |
| }); |
| |
| lodashStable.each(['clone', 'cloneDeep'], function(methodName) { |
| var func = _[methodName], |
| isDeep = methodName == 'cloneDeep'; |
| |
| lodashStable.forOwn(objects, function(object, key) { |
| QUnit.test('`_.' + methodName + '` should clone ' + key, function(assert) { |
| assert.expect(2); |
| |
| var isEqual = (key == 'maps' || key == 'sets') ? _.isEqual : lodashStable.isEqual, |
| actual = func(object); |
| |
| assert.ok(isEqual(actual, object)); |
| |
| if (lodashStable.isObject(object)) { |
| assert.notStrictEqual(actual, object); |
| } else { |
| assert.strictEqual(actual, object); |
| } |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone array buffers', function(assert) { |
| assert.expect(2); |
| |
| if (ArrayBuffer) { |
| var actual = func(arrayBuffer); |
| assert.strictEqual(actual.byteLength, arrayBuffer.byteLength); |
| assert.notStrictEqual(actual, arrayBuffer); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone buffers', function(assert) { |
| assert.expect(4); |
| |
| if (Buffer) { |
| var buffer = new Buffer([1, 2]), |
| actual = func(buffer); |
| |
| assert.strictEqual(actual.byteLength, buffer.byteLength); |
| assert.strictEqual(actual.inspect(), buffer.inspect()); |
| assert.notStrictEqual(actual, buffer); |
| |
| buffer[0] = 2; |
| assert.strictEqual(actual[0], isDeep ? 2 : 1); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone `index` and `input` array properties', function(assert) { |
| assert.expect(2); |
| |
| var array = /c/.exec('abcde'), |
| actual = func(array); |
| |
| assert.strictEqual(actual.index, 2); |
| assert.strictEqual(actual.input, 'abcde'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone `lastIndex` regexp property', function(assert) { |
| assert.expect(1); |
| |
| var regexp = /c/g; |
| regexp.exec('abcde'); |
| |
| assert.strictEqual(func(regexp).lastIndex, 3); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone expando properties', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.map([false, true, 1, 'a'], function(value) { |
| var object = Object(value); |
| object.a = 1; |
| return object; |
| }); |
| |
| var expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value).a === 1; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone prototype objects', function(assert) { |
| assert.expect(2); |
| |
| var actual = func(Foo.prototype); |
| |
| assert.notOk(actual instanceof Foo); |
| assert.deepEqual(actual, { 'b': 1 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should set the `[[Prototype]]` of a clone', function(assert) { |
| assert.expect(1); |
| |
| assert.ok(func(new Foo) instanceof Foo); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should set the `[[Prototype]]` of a clone even when the `constructor` is incorrect', function(assert) { |
| assert.expect(1); |
| |
| Foo.prototype.constructor = Object; |
| assert.ok(func(new Foo) instanceof Foo); |
| Foo.prototype.constructor = Foo; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ensure `value` constructor is a function before using its `[[Prototype]]`', function(assert) { |
| assert.expect(1); |
| |
| Foo.prototype.constructor = null; |
| assert.notOk(func(new Foo) instanceof Foo); |
| Foo.prototype.constructor = Foo; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone properties that shadow those on `Object.prototype`', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'constructor': objectProto.constructor, |
| 'hasOwnProperty': objectProto.hasOwnProperty, |
| 'isPrototypeOf': objectProto.isPrototypeOf, |
| 'propertyIsEnumerable': objectProto.propertyIsEnumerable, |
| 'toLocaleString': objectProto.toLocaleString, |
| 'toString': objectProto.toString, |
| 'valueOf': objectProto.valueOf |
| }; |
| |
| var actual = func(object); |
| |
| assert.deepEqual(actual, object); |
| assert.notStrictEqual(actual, object); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone symbol properties', function(assert) { |
| assert.expect(3); |
| |
| function Foo() { |
| this[symbol] = { 'c': 1 }; |
| } |
| |
| if (Symbol) { |
| var symbol2 = Symbol('b'); |
| Foo.prototype[symbol2] = 2; |
| |
| var object = { 'a': { 'b': new Foo } }; |
| object[symbol] = { 'b': 1 }; |
| |
| var actual = func(object); |
| |
| assert.deepEqual(getSymbols(actual.a.b), [symbol]); |
| |
| if (isDeep) { |
| assert.deepEqual(actual[symbol], object[symbol]); |
| assert.deepEqual(actual.a.b[symbol], object.a.b[symbol]); |
| } |
| else { |
| assert.strictEqual(actual[symbol], object[symbol]); |
| assert.strictEqual(actual.a, object.a); |
| } |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone symbol objects', function(assert) { |
| assert.expect(4); |
| |
| if (Symbol) { |
| assert.strictEqual(func(symbol), symbol); |
| |
| var object = Object(symbol), |
| actual = func(object); |
| |
| assert.strictEqual(typeof actual, 'object'); |
| assert.strictEqual(typeof actual.valueOf(), 'symbol'); |
| assert.notStrictEqual(actual, object); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not clone symbol primitives', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol) { |
| assert.strictEqual(func(symbol), symbol); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not error on DOM elements', function(assert) { |
| assert.expect(1); |
| |
| if (document) { |
| var element = document.createElement('div'); |
| |
| try { |
| assert.deepEqual(func(element), {}); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should create an object from the same realm as `value`', function(assert) { |
| assert.expect(1); |
| |
| var props = []; |
| |
| var objects = lodashStable.transform(_, function(result, value, key) { |
| if (lodashStable.startsWith(key, '_') && lodashStable.isObject(value) && |
| !lodashStable.isArguments(value) && !lodashStable.isElement(value) && |
| !lodashStable.isFunction(value)) { |
| props.push(lodashStable.capitalize(lodashStable.camelCase(key))); |
| result.push(value); |
| } |
| }, []); |
| |
| var expected = lodashStable.map(objects, alwaysTrue); |
| |
| var actual = lodashStable.map(objects, function(object) { |
| var Ctor = object.constructor, |
| result = func(object); |
| |
| return result !== object && ((result instanceof Ctor) || !(new Ctor instanceof Ctor)); |
| }); |
| |
| assert.deepEqual(actual, expected, props.join(', ')); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should perform a ' + (isDeep ? 'deep' : 'shallow') + ' clone when used as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(2); |
| |
| var expected = [{ 'a': [0] }, { 'b': [1] }], |
| actual = lodashStable.map(expected, func); |
| |
| assert.deepEqual(actual, expected); |
| |
| if (isDeep) { |
| assert.ok(actual[0] !== expected[0] && actual[0].a !== expected[0].a && actual[1].b !== expected[1].b); |
| } else { |
| assert.ok(actual[0] !== expected[0] && actual[0].a === expected[0].a && actual[1].b === expected[1].b); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a unwrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var object = objects.objects, |
| actual = _(object)[methodName](); |
| |
| assert.deepEqual(actual, object); |
| assert.notStrictEqual(actual, object); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| lodashStable.each(arrayViews, function(type) { |
| QUnit.test('`_.' + methodName + '` should clone ' + type + ' values', function(assert) { |
| assert.expect(10); |
| |
| var Ctor = root[type]; |
| |
| lodashStable.times(2, function(index) { |
| if (Ctor) { |
| var buffer = new ArrayBuffer(24), |
| view = index ? new Ctor(buffer, 8, 1) : new Ctor(buffer), |
| actual = func(view); |
| |
| assert.deepEqual(actual, view); |
| assert.notStrictEqual(actual, view); |
| assert.strictEqual(actual.buffer === view.buffer, !isDeep); |
| assert.strictEqual(actual.byteOffset, view.byteOffset); |
| assert.strictEqual(actual.length, view.length); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| }); |
| }); |
| |
| lodashStable.forOwn(uncloneable, function(value, key) { |
| QUnit.test('`_.' + methodName + '` should not clone ' + key, function(assert) { |
| assert.expect(3); |
| |
| if (value) { |
| var object = { 'a': value, 'b': { 'c': value } }, |
| actual = func(object), |
| expected = (typeof value == 'function' && !!value.c) ? { 'c': Foo.c } : {}; |
| |
| assert.deepEqual(actual, object); |
| assert.notStrictEqual(actual, object); |
| assert.deepEqual(func(value), expected); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }); |
| }); |
| |
| lodashStable.each(['cloneWith', 'cloneDeepWith'], function(methodName) { |
| var func = _[methodName], |
| isDeep = methodName == 'cloneDeepWith'; |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct `customizer` arguments', function(assert) { |
| assert.expect(1); |
| |
| var argsList = [], |
| object = new Foo; |
| |
| func(object, function() { |
| var length = arguments.length, |
| args = slice.call(arguments, 0, length - (length > 1 ? 1 : 0)); |
| |
| argsList.push(args); |
| }); |
| |
| assert.deepEqual(argsList, isDeep ? [[object], [1, 'a', object]] : [[object]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle cloning if `customizer` returns `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func({ 'a': { 'b': 'c' } }, noop); |
| assert.deepEqual(actual, { 'a': { 'b': 'c' } }); |
| }); |
| |
| lodashStable.forOwn(uncloneable, function(value, key) { |
| QUnit.test('`_.' + methodName + '` should work with a `customizer` callback and ' + key, function(assert) { |
| assert.expect(4); |
| |
| var customizer = function(value) { |
| return lodashStable.isPlainObject(value) ? undefined : value; |
| }; |
| |
| var actual = func(value, customizer); |
| |
| assert.deepEqual(actual, value); |
| assert.strictEqual(actual, value); |
| |
| var object = { 'a': value, 'b': { 'c': value } }; |
| actual = func(object, customizer); |
| |
| assert.deepEqual(actual, object); |
| assert.notStrictEqual(actual, object); |
| }); |
| }); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.compact'); |
| |
| (function() { |
| var largeArray = lodashStable.range(LARGE_ARRAY_SIZE).concat(null); |
| |
| QUnit.test('should filter falsey values', function(assert) { |
| assert.expect(1); |
| |
| var array = ['0', '1', '2']; |
| assert.deepEqual(_.compact(falsey.concat(array)), array); |
| }); |
| |
| QUnit.test('should work when in-between lazy operators', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var actual = _(falsey).thru(_.slice).compact().thru(_.slice).value(); |
| assert.deepEqual(actual, []); |
| |
| actual = _(falsey).thru(_.slice).push(true, 1).compact().push('a').value(); |
| assert.deepEqual(actual, [true, 1, 'a']); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _(largeArray).slice(1).compact().reverse().take().value(); |
| assert.deepEqual(actual, _.take(_.compact(_.slice(largeArray, 1)).reverse())); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence with a custom `_.iteratee`', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var iteratee = _.iteratee, |
| pass = false; |
| |
| _.iteratee = identity; |
| |
| try { |
| var actual = _(largeArray).slice(1).compact().value(); |
| pass = lodashStable.isEqual(actual, _.compact(_.slice(largeArray, 1))); |
| } catch (e) {console.log(e);} |
| |
| assert.ok(pass); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.concat'); |
| |
| (function() { |
| QUnit.test('should shallow clone `array`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| actual = _.concat(array); |
| |
| assert.deepEqual(actual, array); |
| assert.notStrictEqual(actual, array); |
| }); |
| |
| QUnit.test('should concat arrays and values', function(assert) { |
| assert.expect(2); |
| |
| var array = [1], |
| actual = _.concat(array, 2, [3], [[4]]); |
| |
| assert.deepEqual(actual, [1, 2, 3, [4]]); |
| assert.deepEqual(array, [1]); |
| }); |
| |
| QUnit.test('should cast non-array `array` values to arrays', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined, false, true, 1, NaN, 'a']; |
| |
| var expected = lodashStable.map(values, function(value, index) { |
| return index ? [value] : []; |
| }); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.concat(value) : _.concat(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(values, function(value) { |
| return [value, 2, [3]]; |
| }); |
| |
| actual = lodashStable.map(values, function(value) { |
| return _.concat(value, [2], [[3]]); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat sparse arrays as dense', function(assert) { |
| assert.expect(3); |
| |
| var expected = [], |
| actual = _.concat(Array(1), Array(1)); |
| |
| expected.push(undefined, undefined); |
| |
| assert.ok('0'in actual); |
| assert.ok('1' in actual); |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return a new wrapped array', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = [1], |
| wrapped = _(array).concat([2, 3]), |
| actual = wrapped.value(); |
| |
| assert.deepEqual(array, [1]); |
| assert.deepEqual(actual, [1, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.cond'); |
| |
| (function() { |
| QUnit.test('should create a conditional function', function(assert) { |
| assert.expect(3); |
| |
| var cond = _.cond([ |
| [lodashStable.matches({ 'a': 1 }), alwaysA], |
| [lodashStable.matchesProperty('b', 1), alwaysB], |
| [lodashStable.property('c'), alwaysC] |
| ]); |
| |
| assert.strictEqual(cond({ 'a': 1, 'b': 2, 'c': 3 }), 'a'); |
| assert.strictEqual(cond({ 'a': 0, 'b': 1, 'c': 2 }), 'b'); |
| assert.strictEqual(cond({ 'a': -1, 'b': 0, 'c': 1 }), 'c'); |
| }); |
| |
| QUnit.test('should provide arguments to functions', function(assert) { |
| assert.expect(2); |
| |
| var args1, |
| args2, |
| expected = ['a', 'b', 'c']; |
| |
| var cond = _.cond([[ |
| function() { args1 || (args1 = slice.call(arguments)); return true; }, |
| function() { args2 || (args2 = slice.call(arguments)); } |
| ]]); |
| |
| cond('a', 'b', 'c'); |
| |
| assert.deepEqual(args1, expected); |
| assert.deepEqual(args2, expected); |
| }); |
| |
| QUnit.test('should work with predicate shorthands', function(assert) { |
| assert.expect(3); |
| |
| var cond = _.cond([ |
| [{ 'a': 1 }, alwaysA], |
| [['b', 1], alwaysB], |
| ['c', alwaysC] |
| ]); |
| |
| assert.strictEqual(cond({ 'a': 1, 'b': 2, 'c': 3 }), 'a'); |
| assert.strictEqual(cond({ 'a': 0, 'b': 1, 'c': 2 }), 'b'); |
| assert.strictEqual(cond({ 'a': -1, 'b': 0, 'c': 1 }), 'c'); |
| }); |
| |
| QUnit.test('should return `undefined` when no condition is met', function(assert) { |
| assert.expect(1); |
| |
| var cond = _.cond([[alwaysFalse, alwaysA]]); |
| assert.strictEqual(cond({ 'a': 1 }), undefined); |
| }); |
| |
| QUnit.test('should throw a TypeError if `pairs` is not composed of functions', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([false, true], function(value) { |
| assert.raises(function() { _.cond([[alwaysTrue, value]])(); }, TypeError); |
| }); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `pairs`', function(assert) { |
| assert.expect(1); |
| |
| var cond = _.cond([ |
| [function(a) { return this[a]; }, function(a, b) { return this[b]; }] |
| ]); |
| |
| var object = { 'cond': cond, 'a': 1, 'b': 2 }; |
| assert.strictEqual(object.cond('a', 'b'), 2); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.conforms'); |
| |
| (function() { |
| var objects = [ |
| { 'a': 1, 'b': 8 }, |
| { 'a': 2, 'b': 4 }, |
| { 'a': 3, 'b': 16 } |
| ]; |
| |
| QUnit.test('should create a function that checks if a given object conforms to `source`', function(assert) { |
| assert.expect(2); |
| |
| var conforms = _.conforms({ |
| 'b': function(value) { return value > 4; } |
| }); |
| |
| var actual = lodashStable.filter(objects, conforms); |
| assert.deepEqual(actual, [objects[0], objects[2]]); |
| |
| conforms = _.conforms({ |
| 'b': function(value) { return value > 8; }, |
| 'a': function(value) { return value > 1; } |
| }); |
| |
| actual = lodashStable.filter(objects, conforms); |
| assert.deepEqual(actual, [objects[2]]); |
| }); |
| |
| QUnit.test('should not match by inherited `source` properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = function(value) { |
| return value > 1; |
| }; |
| } |
| Foo.prototype.b = function(value) { |
| return value > 8; |
| }; |
| |
| var conforms = _.conforms(new Foo), |
| actual = lodashStable.filter(objects, conforms); |
| |
| assert.deepEqual(actual, [objects[1], objects[2]]); |
| }); |
| |
| QUnit.test('should not invoke `source` predicates for missing `object` properties', function(assert) { |
| assert.expect(2); |
| |
| var count = 0; |
| |
| var conforms = _.conforms({ |
| 'a': function() { count++; return true; } |
| }); |
| |
| assert.strictEqual(conforms({}), false); |
| assert.strictEqual(count, 0); |
| }); |
| |
| QUnit.test('should work with a function for `object`', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.a = 1; |
| |
| function Bar() {} |
| Bar.a = 2; |
| |
| var conforms = _.conforms({ |
| 'a': function(value) { return value > 1; } |
| }); |
| |
| assert.strictEqual(conforms(Foo), false); |
| assert.strictEqual(conforms(Bar), true); |
| }); |
| |
| QUnit.test('should work with a function for `source`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = function(value) { return value > 1; }; |
| |
| var objects = [{ 'a': 1 }, { 'a': 2 }], |
| actual = lodashStable.filter(objects, _.conforms(Foo)); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| }); |
| |
| QUnit.test('should work with a non-plain `object`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var conforms = _.conforms({ |
| 'b': function(value) { return value > 1; } |
| }); |
| |
| assert.strictEqual(conforms(new Foo), true); |
| }); |
| |
| QUnit.test('should return `false` when `object` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var conforms = _.conforms({ |
| 'a': function(value) { return value > 1; } |
| }); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? conforms(value) : conforms(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysTrue), |
| conforms = _.conforms({}); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? conforms(value) : conforms(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }, |
| expected = lodashStable.map(empties, alwaysTrue); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| var conforms = _.conforms(value); |
| return conforms(object); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not change behavior if `source` is modified', function(assert) { |
| assert.expect(2); |
| |
| var source = { |
| 'a': function(value) { return value > 1; } |
| }; |
| |
| var object = { 'a': 2 }, |
| conforms = _.conforms(source); |
| |
| assert.strictEqual(conforms(object), true); |
| |
| source.a = function(value) { return value < 2; }; |
| assert.strictEqual(conforms(object), true); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.constant'); |
| |
| (function() { |
| QUnit.test('should create a function that returns `value`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }, |
| values = Array(2).concat(empties, true, 1, 'a'), |
| constant = _.constant(object), |
| expected = lodashStable.map(values, function() { return true; }); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| if (index == 0) { |
| var result = constant(); |
| } else if (index == 1) { |
| result = constant.call({}); |
| } else { |
| result = constant(value); |
| } |
| return result === object; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with falsey values', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function() { return true; }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| var constant = index ? _.constant(value) : _.constant(), |
| result = constant(); |
| |
| return (result === value) || (result !== result && value !== value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(true).constant(); |
| assert.ok(wrapped instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.countBy'); |
| |
| (function() { |
| var array = [6.1, 4.2, 6.3]; |
| |
| QUnit.test('should transform keys by `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.countBy(array, Math.floor); |
| assert.deepEqual(actual, { '4': 1, '6': 2 }); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array = [4, 6, 6], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant({ '4': 1, '6': 2 })); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.countBy(array, value) : _.countBy(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.countBy(['one', 'two', 'three'], 'length'); |
| assert.deepEqual(actual, { '3': 2, '5': 1 }); |
| }); |
| |
| QUnit.test('should only add values to own, not inherited, properties', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.countBy(array, function(n) { |
| return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor'; |
| }); |
| |
| assert.deepEqual(actual.constructor, 1); |
| assert.deepEqual(actual.hasOwnProperty, 2); |
| }); |
| |
| QUnit.test('should work with a number for `iteratee`', function(assert) { |
| assert.expect(2); |
| |
| var array = [ |
| [1, 'a'], |
| [2, 'a'], |
| [2, 'b'] |
| ]; |
| |
| assert.deepEqual(_.countBy(array, 0), { '1': 1, '2': 2 }); |
| assert.deepEqual(_.countBy(array, 1), { 'a': 2, 'b': 1 }); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.countBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor); |
| assert.deepEqual(actual, { '4': 1, '6': 2 }); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE).concat( |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE), |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE) |
| ); |
| |
| var actual = _(array).countBy().map(square).filter(isEven).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.filter(_.map(_.countBy(array), square), isEven))); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.create'); |
| |
| (function() { |
| function Shape() { |
| this.x = 0; |
| this.y = 0; |
| } |
| |
| function Circle() { |
| Shape.call(this); |
| } |
| |
| QUnit.test('should create an object that inherits from the given `prototype` object', function(assert) { |
| assert.expect(3); |
| |
| Circle.prototype = _.create(Shape.prototype); |
| Circle.prototype.constructor = Circle; |
| |
| var actual = new Circle; |
| |
| assert.ok(actual instanceof Circle); |
| assert.ok(actual instanceof Shape); |
| assert.notStrictEqual(Circle.prototype, Shape.prototype); |
| }); |
| |
| QUnit.test('should assign `properties` to the created object', function(assert) { |
| assert.expect(3); |
| |
| var expected = { 'constructor': Circle, 'radius': 0 }; |
| Circle.prototype = _.create(Shape.prototype, expected); |
| |
| var actual = new Circle; |
| |
| assert.ok(actual instanceof Circle); |
| assert.ok(actual instanceof Shape); |
| assert.deepEqual(Circle.prototype, expected); |
| }); |
| |
| QUnit.test('should assign own properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| this.c = 3; |
| } |
| Foo.prototype.b = 2; |
| |
| assert.deepEqual(_.create({}, new Foo), { 'a': 1, 'c': 3 }); |
| }); |
| |
| QUnit.test('should assign properties that shadow those of `prototype`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| var object = _.create(new Foo, { 'a': 1 }); |
| assert.deepEqual(lodashStable.keys(object), ['a']); |
| }); |
| |
| QUnit.test('should accept a falsey `prototype` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyObject); |
| |
| var actual = lodashStable.map(falsey, function(prototype, index) { |
| return index ? _.create(prototype) : _.create(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ignore primitive `prototype` arguments and use an empty object instead', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(primitives, alwaysTrue); |
| |
| var actual = lodashStable.map(primitives, function(value, index) { |
| return lodashStable.isPlainObject(index ? _.create(value) : _.create()); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [{ 'a': 1 }, { 'a': 1 }, { 'a': 1 }], |
| expected = lodashStable.map(array, alwaysTrue), |
| objects = lodashStable.map(array, _.create); |
| |
| var actual = lodashStable.map(objects, function(object) { |
| return object.a === 1 && !_.keys(object).length; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.curry'); |
| |
| (function() { |
| function fn(a, b, c, d) { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should curry based on the number of arguments given', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curry(fn), |
| expected = [1, 2, 3, 4]; |
| |
| assert.deepEqual(curried(1)(2)(3)(4), expected); |
| assert.deepEqual(curried(1, 2)(3, 4), expected); |
| assert.deepEqual(curried(1, 2, 3, 4), expected); |
| }); |
| |
| QUnit.test('should allow specifying `arity`', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curry(fn, 3), |
| expected = [1, 2, 3]; |
| |
| assert.deepEqual(curried(1)(2, 3), expected); |
| assert.deepEqual(curried(1, 2)(3), expected); |
| assert.deepEqual(curried(1, 2, 3), expected); |
| }); |
| |
| QUnit.test('should coerce `arity` to an integer', function(assert) { |
| assert.expect(2); |
| |
| var values = ['0', 0.6, 'xyz'], |
| expected = lodashStable.map(values, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(values, function(arity) { |
| return _.curry(fn, arity)(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| assert.deepEqual(_.curry(fn, '2')(1)(2), [1, 2]); |
| }); |
| |
| QUnit.test('should support placeholders', function(assert) { |
| assert.expect(4); |
| |
| var curried = _.curry(fn), |
| ph = curried.placeholder; |
| |
| assert.deepEqual(curried(1)(ph, 3)(ph, 4)(2), [1, 2, 3, 4]); |
| assert.deepEqual(curried(ph, 2)(1)(ph, 4)(3), [1, 2, 3, 4]); |
| assert.deepEqual(curried(ph, ph, 3)(ph, 2)(ph, 4)(1), [1, 2, 3, 4]); |
| assert.deepEqual(curried(ph, ph, ph, 4)(ph, ph, 3)(ph, 2)(1), [1, 2, 3, 4]); |
| }); |
| |
| QUnit.test('should persist placeholders', function(assert) { |
| assert.expect(1); |
| |
| var curried = _.curry(fn), |
| ph = curried.placeholder, |
| actual = curried(ph, ph, ph, 'd')('a')(ph)('b')('c'); |
| |
| assert.deepEqual(actual, ['a', 'b', 'c', 'd']); |
| }); |
| |
| QUnit.test('should use `_.placeholder` when set', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var curried = _.curry(fn), |
| _ph = _.placeholder = {}, |
| ph = curried.placeholder; |
| |
| assert.deepEqual(curried(1)(_ph, 3)(ph, 4), [1, ph, 3, 4]); |
| delete _.placeholder; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should provide additional arguments after reaching the target arity', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curry(fn, 3); |
| assert.deepEqual(curried(1)(2, 3, 4), [1, 2, 3, 4]); |
| assert.deepEqual(curried(1, 2)(3, 4, 5), [1, 2, 3, 4, 5]); |
| assert.deepEqual(curried(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]); |
| }); |
| |
| QUnit.test('should create a function with a `length` of `0`', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.times(2, function(index) { |
| var curried = index ? _.curry(fn, 4) : _.curry(fn); |
| assert.strictEqual(curried.length, 0); |
| assert.strictEqual(curried(1).length, 0); |
| assert.strictEqual(curried(1, 2).length, 0); |
| }); |
| }); |
| |
| QUnit.test('should ensure `new curried` is an instance of `func`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(value) { |
| return value && object; |
| } |
| |
| var curried = _.curry(Foo), |
| object = {}; |
| |
| assert.ok(new curried(false) instanceof Foo); |
| assert.strictEqual(new curried(true), object); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(9); |
| |
| var fn = function(a, b, c) { |
| var value = this || {}; |
| return [value[a], value[b], value[c]]; |
| }; |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| expected = [1, 2, 3]; |
| |
| assert.deepEqual(_.curry(_.bind(fn, object), 3)('a')('b')('c'), expected); |
| assert.deepEqual(_.curry(_.bind(fn, object), 3)('a', 'b')('c'), expected); |
| assert.deepEqual(_.curry(_.bind(fn, object), 3)('a', 'b', 'c'), expected); |
| |
| assert.deepEqual(_.bind(_.curry(fn), object)('a')('b')('c'), Array(3)); |
| assert.deepEqual(_.bind(_.curry(fn), object)('a', 'b')('c'), Array(3)); |
| assert.deepEqual(_.bind(_.curry(fn), object)('a', 'b', 'c'), expected); |
| |
| object.curried = _.curry(fn); |
| assert.deepEqual(object.curried('a')('b')('c'), Array(3)); |
| assert.deepEqual(object.curried('a', 'b')('c'), Array(3)); |
| assert.deepEqual(object.curried('a', 'b', 'c'), expected); |
| }); |
| |
| QUnit.test('should work with partialed methods', function(assert) { |
| assert.expect(2); |
| |
| var curried = _.curry(fn), |
| expected = [1, 2, 3, 4]; |
| |
| var a = _.partial(curried, 1), |
| b = _.bind(a, null, 2), |
| c = _.partialRight(b, 4), |
| d = _.partialRight(b(3), 4); |
| |
| assert.deepEqual(c(3), expected); |
| assert.deepEqual(d(), expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.curryRight'); |
| |
| (function() { |
| function fn(a, b, c, d) { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should curry based on the number of arguments given', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curryRight(fn), |
| expected = [1, 2, 3, 4]; |
| |
| assert.deepEqual(curried(4)(3)(2)(1), expected); |
| assert.deepEqual(curried(3, 4)(1, 2), expected); |
| assert.deepEqual(curried(1, 2, 3, 4), expected); |
| }); |
| |
| QUnit.test('should allow specifying `arity`', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curryRight(fn, 3), |
| expected = [1, 2, 3]; |
| |
| assert.deepEqual(curried(3)(1, 2), expected); |
| assert.deepEqual(curried(2, 3)(1), expected); |
| assert.deepEqual(curried(1, 2, 3), expected); |
| }); |
| |
| QUnit.test('should coerce `arity` to an integer', function(assert) { |
| assert.expect(2); |
| |
| var values = ['0', 0.6, 'xyz'], |
| expected = lodashStable.map(values, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(values, function(arity) { |
| return _.curryRight(fn, arity)(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| assert.deepEqual(_.curryRight(fn, '2')(1)(2), [2, 1]); |
| }); |
| |
| QUnit.test('should support placeholders', function(assert) { |
| assert.expect(4); |
| |
| var curried = _.curryRight(fn), |
| expected = [1, 2, 3, 4], |
| ph = curried.placeholder; |
| |
| assert.deepEqual(curried(4)(2, ph)(1, ph)(3), expected); |
| assert.deepEqual(curried(3, ph)(4)(1, ph)(2), expected); |
| assert.deepEqual(curried(ph, ph, 4)(ph, 3)(ph, 2)(1), expected); |
| assert.deepEqual(curried(ph, ph, ph, 4)(ph, ph, 3)(ph, 2)(1), expected); |
| }); |
| |
| QUnit.test('should persist placeholders', function(assert) { |
| assert.expect(1); |
| |
| var curried = _.curryRight(fn), |
| ph = curried.placeholder, |
| actual = curried('a', ph, ph, ph)('b')(ph)('c')('d'); |
| |
| assert.deepEqual(actual, ['a', 'b', 'c', 'd']); |
| }); |
| |
| QUnit.test('should use `_.placeholder` when set', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var curried = _.curryRight(fn), |
| _ph = _.placeholder = {}, |
| ph = curried.placeholder; |
| |
| assert.deepEqual(curried(4)(2, _ph)(1, ph), [1, 2, ph, 4]); |
| delete _.placeholder; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should provide additional arguments after reaching the target arity', function(assert) { |
| assert.expect(3); |
| |
| var curried = _.curryRight(fn, 3); |
| assert.deepEqual(curried(4)(1, 2, 3), [1, 2, 3, 4]); |
| assert.deepEqual(curried(4, 5)(1, 2, 3), [1, 2, 3, 4, 5]); |
| assert.deepEqual(curried(1, 2, 3, 4, 5, 6), [1, 2, 3, 4, 5, 6]); |
| }); |
| |
| QUnit.test('should create a function with a `length` of `0`', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.times(2, function(index) { |
| var curried = index ? _.curryRight(fn, 4) : _.curryRight(fn); |
| assert.strictEqual(curried.length, 0); |
| assert.strictEqual(curried(4).length, 0); |
| assert.strictEqual(curried(3, 4).length, 0); |
| }); |
| }); |
| |
| QUnit.test('should ensure `new curried` is an instance of `func`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(value) { |
| return value && object; |
| } |
| |
| var curried = _.curryRight(Foo), |
| object = {}; |
| |
| assert.ok(new curried(false) instanceof Foo); |
| assert.strictEqual(new curried(true), object); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(9); |
| |
| var fn = function(a, b, c) { |
| var value = this || {}; |
| return [value[a], value[b], value[c]]; |
| }; |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| expected = [1, 2, 3]; |
| |
| assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('c')('b')('a'), expected); |
| assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('b', 'c')('a'), expected); |
| assert.deepEqual(_.curryRight(_.bind(fn, object), 3)('a', 'b', 'c'), expected); |
| |
| assert.deepEqual(_.bind(_.curryRight(fn), object)('c')('b')('a'), Array(3)); |
| assert.deepEqual(_.bind(_.curryRight(fn), object)('b', 'c')('a'), Array(3)); |
| assert.deepEqual(_.bind(_.curryRight(fn), object)('a', 'b', 'c'), expected); |
| |
| object.curried = _.curryRight(fn); |
| assert.deepEqual(object.curried('c')('b')('a'), Array(3)); |
| assert.deepEqual(object.curried('b', 'c')('a'), Array(3)); |
| assert.deepEqual(object.curried('a', 'b', 'c'), expected); |
| }); |
| |
| QUnit.test('should work with partialed methods', function(assert) { |
| assert.expect(2); |
| |
| var curried = _.curryRight(fn), |
| expected = [1, 2, 3, 4]; |
| |
| var a = _.partialRight(curried, 4), |
| b = _.partialRight(a, 3), |
| c = _.bind(b, null, 1), |
| d = _.partial(b(2), 1); |
| |
| assert.deepEqual(c(2), expected); |
| assert.deepEqual(d(), expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('curry methods'); |
| |
| lodashStable.each(['curry', 'curryRight'], function(methodName) { |
| var func = _[methodName], |
| fn = function(a, b) { return slice.call(arguments); }, |
| isCurry = methodName == 'curry'; |
| |
| QUnit.test('`_.' + methodName + '` should not error on functions with the same name as lodash methods', function(assert) { |
| assert.expect(1); |
| |
| function run(a, b) { |
| return a + b; |
| } |
| |
| var curried = func(run); |
| |
| try { |
| var actual = curried(1)(2); |
| } catch (e) {} |
| |
| assert.strictEqual(actual, 3); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work for function names that shadow those on `Object.prototype`', function(assert) { |
| assert.expect(1); |
| |
| var curried = _.curry(function hasOwnProperty(a, b, c) { |
| return [a, b, c]; |
| }); |
| |
| var expected = [1, 2, 3]; |
| |
| assert.deepEqual(curried(1)(2)(3), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(2); |
| |
| var array = [fn, fn, fn], |
| object = { 'a': fn, 'b': fn, 'c': fn }; |
| |
| lodashStable.each([array, object], function(collection) { |
| var curries = lodashStable.map(collection, func), |
| expected = lodashStable.map(collection, lodashStable.constant(isCurry ? ['a', 'b'] : ['b', 'a'])); |
| |
| var actual = lodashStable.map(curries, function(curried) { |
| return curried('a')('b'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.debounce'); |
| |
| (function() { |
| QUnit.test('should debounce a function', function(assert) { |
| assert.expect(6); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var debounced = _.debounce(function(value) { |
| ++callCount; |
| return value; |
| }, 32); |
| |
| var actual = [debounced(0), debounced(1), debounced(2)]; |
| assert.deepEqual(actual, [undefined, undefined, undefined]); |
| assert.strictEqual(callCount, 0); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| |
| var actual = [debounced(3), debounced(4), debounced(5)]; |
| assert.deepEqual(actual, [2, 2, 2]); |
| assert.strictEqual(callCount, 1); |
| }, 128); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 256); |
| }); |
| |
| QUnit.test('subsequent debounced calls return the last `func` result', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var debounced = _.debounce(identity, 32); |
| debounced('x'); |
| |
| setTimeout(function() { |
| assert.notEqual(debounced('y'), 'y'); |
| }, 64); |
| |
| setTimeout(function() { |
| assert.notEqual(debounced('z'), 'z'); |
| done(); |
| }, 128); |
| }); |
| |
| QUnit.test('should not immediately call `func` when `wait` is `0`', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| debounced = _.debounce(function() { ++callCount; }, 0); |
| |
| debounced(); |
| debounced(); |
| assert.strictEqual(callCount, 0); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| done(); |
| }, 5); |
| }); |
| |
| QUnit.test('should apply default options', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| debounced = _.debounce(function() { callCount++; }, 32, {}); |
| |
| debounced(); |
| assert.strictEqual(callCount, 0); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should support a `leading` option', function(assert) { |
| assert.expect(4); |
| |
| var done = assert.async(); |
| |
| var callCounts = [0, 0]; |
| |
| var withLeading = _.debounce(function() { |
| callCounts[0]++; |
| }, 32, { 'leading': true }); |
| |
| var withLeadingAndTrailing = _.debounce(function() { |
| callCounts[1]++; |
| }, 32, { 'leading': true }); |
| |
| withLeading(); |
| assert.strictEqual(callCounts[0], 1); |
| |
| withLeadingAndTrailing(); |
| withLeadingAndTrailing(); |
| assert.strictEqual(callCounts[1], 1); |
| |
| setTimeout(function() { |
| assert.deepEqual(callCounts, [1, 2]); |
| |
| withLeading(); |
| assert.strictEqual(callCounts[0], 2); |
| |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('subsequent leading debounced calls return the last `func` result', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var debounced = _.debounce(identity, 32, { 'leading': true, 'trailing': false }), |
| result = [debounced('x'), debounced('y')]; |
| |
| assert.deepEqual(result, ['x', 'x']); |
| |
| setTimeout(function() { |
| var result = [debounced('a'), debounced('b')]; |
| assert.deepEqual(result, ['a', 'a']); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should support a `trailing` option', function(assert) { |
| assert.expect(4); |
| |
| var done = assert.async(); |
| |
| var withCount = 0, |
| withoutCount = 0; |
| |
| var withTrailing = _.debounce(function() { |
| withCount++; |
| }, 32, { 'trailing': true }); |
| |
| var withoutTrailing = _.debounce(function() { |
| withoutCount++; |
| }, 32, { 'trailing': false }); |
| |
| withTrailing(); |
| assert.strictEqual(withCount, 0); |
| |
| withoutTrailing(); |
| assert.strictEqual(withoutCount, 0); |
| |
| setTimeout(function() { |
| assert.strictEqual(withCount, 1); |
| assert.strictEqual(withoutCount, 0); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should support a `maxWait` option', function(assert) { |
| assert.expect(4); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var debounced = _.debounce(function(value) { |
| ++callCount; |
| return value; |
| }, 32, { 'maxWait': 64 }); |
| |
| debounced(); |
| debounced(); |
| assert.strictEqual(callCount, 0); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| debounced(); |
| debounced(); |
| assert.strictEqual(callCount, 1); |
| }, 128); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 256); |
| }); |
| |
| QUnit.test('should support `maxWait` in a tight loop', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var limit = (argv || isPhantom) ? 1000 : 320, |
| withCount = 0, |
| withoutCount = 0; |
| |
| var withMaxWait = _.debounce(function() { |
| withCount++; |
| }, 64, { 'maxWait': 128 }); |
| |
| var withoutMaxWait = _.debounce(function() { |
| withoutCount++; |
| }, 96); |
| |
| var start = +new Date; |
| while ((new Date - start) < limit) { |
| withMaxWait(); |
| withoutMaxWait(); |
| } |
| var actual = [Boolean(withoutCount), Boolean(withCount)]; |
| setTimeout(function() { |
| assert.deepEqual(actual, [false, true]); |
| done(); |
| }, 1); |
| }); |
| |
| QUnit.test('should queue a trailing call for subsequent debounced calls after `maxWait`', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var debounced = _.debounce(function() { |
| ++callCount; |
| }, 64, { 'maxWait': 64 }); |
| |
| debounced(); |
| |
| lodashStable.times(20, function(index) { |
| setTimeout(debounced, 54 + index); |
| }); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 160); |
| }); |
| |
| QUnit.test('should cancel `maxDelayed` when `delayed` is invoked', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var debounced = _.debounce(function() { |
| callCount++; |
| }, 32, { 'maxWait': 64 }); |
| |
| debounced(); |
| |
| setTimeout(function() { |
| debounced(); |
| assert.strictEqual(callCount, 1); |
| }, 128); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 192); |
| }); |
| |
| QUnit.test('should invoke the trailing call with the correct arguments and `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var actual, |
| callCount = 0, |
| object = {}; |
| |
| var debounced = _.debounce(function(value) { |
| actual = [this]; |
| push.apply(actual, arguments); |
| return ++callCount != 2; |
| }, 32, { 'leading': true, 'maxWait': 64 }); |
| |
| while (true) { |
| if (!debounced.call(object, 'a')) { |
| break; |
| } |
| } |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| assert.deepEqual(actual, [object, 'a']); |
| done(); |
| }, 64); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.deburr'); |
| |
| (function() { |
| QUnit.test('should convert latin-1 supplementary letters to basic latin', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(burredLetters, _.deburr); |
| assert.deepEqual(actual, deburredLetters); |
| }); |
| |
| QUnit.test('should not deburr latin-1 mathematical operators', function(assert) { |
| assert.expect(1); |
| |
| var operators = ['\xd7', '\xf7'], |
| actual = lodashStable.map(operators, _.deburr); |
| |
| assert.deepEqual(actual, operators); |
| }); |
| |
| QUnit.test('should deburr combining diacritical marks', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(comboMarks, lodashStable.constant('ei')); |
| |
| var actual = lodashStable.map(comboMarks, function(chr) { |
| return _.deburr('e' + chr + 'i'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.defaults'); |
| |
| (function() { |
| QUnit.test('should assign source properties if missing on `object`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.defaults({ 'a': 1 }, { 'a': 2, 'b': 2 }), { 'a': 1, 'b': 2 }); |
| }); |
| |
| QUnit.test('should accept multiple sources', function(assert) { |
| assert.expect(2); |
| |
| var expected = { 'a': 1, 'b': 2, 'c': 3 }; |
| assert.deepEqual(_.defaults({ 'a': 1, 'b': 2 }, { 'b': 3 }, { 'c': 3 }), expected); |
| assert.deepEqual(_.defaults({ 'a': 1, 'b': 2 }, { 'b': 3, 'c': 3 }, { 'c': 2 }), expected); |
| }); |
| |
| QUnit.test('should not overwrite `null` values', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.defaults({ 'a': null }, { 'a': 1 }); |
| assert.strictEqual(actual.a, null); |
| }); |
| |
| QUnit.test('should overwrite `undefined` values', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.defaults({ 'a': undefined }, { 'a': 1 }); |
| assert.strictEqual(actual.a, 1); |
| }); |
| |
| QUnit.test('should assign properties that shadow those on `Object.prototype`', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'constructor': objectProto.constructor, |
| 'hasOwnProperty': objectProto.hasOwnProperty, |
| 'isPrototypeOf': objectProto.isPrototypeOf, |
| 'propertyIsEnumerable': objectProto.propertyIsEnumerable, |
| 'toLocaleString': objectProto.toLocaleString, |
| 'toString': objectProto.toString, |
| 'valueOf': objectProto.valueOf |
| }; |
| |
| var source = { |
| 'constructor': 1, |
| 'hasOwnProperty': 2, |
| 'isPrototypeOf': 3, |
| 'propertyIsEnumerable': 4, |
| 'toLocaleString': 5, |
| 'toString': 6, |
| 'valueOf': 7 |
| }; |
| |
| assert.deepEqual(_.defaults({}, source), source); |
| assert.deepEqual(_.defaults({}, object, source), object); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.defaultsDeep'); |
| |
| (function() { |
| QUnit.test('should deep assign source properties if missing on `object`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': 2 }, 'd': 4 }, |
| source = { 'a': { 'b': 1, 'c': 3 }, 'e': 5 }, |
| expected = { 'a': { 'b': 2, 'c': 3 }, 'd': 4, 'e': 5 }; |
| |
| assert.deepEqual(_.defaultsDeep(object, source), expected); |
| }); |
| |
| QUnit.test('should accept multiple sources', function(assert) { |
| assert.expect(2); |
| |
| var source1 = { 'a': { 'b': 3 } }, |
| source2 = { 'a': { 'c': 3 } }, |
| source3 = { 'a': { 'b': 3, 'c': 3 } }, |
| source4 = { 'a': { 'c': 4 } }, |
| expected = { 'a': { 'b': 2, 'c': 3 } }; |
| |
| assert.deepEqual(_.defaultsDeep({ 'a': { 'b': 2 } }, source1, source2), expected); |
| assert.deepEqual(_.defaultsDeep({ 'a': { 'b': 2 } }, source3, source4), expected); |
| }); |
| |
| QUnit.test('should not overwrite `null` values', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': null } }, |
| source = { 'a': { 'b': 2 } }, |
| actual = _.defaultsDeep(object, source); |
| |
| assert.strictEqual(actual.a.b, null); |
| }); |
| |
| QUnit.test('should not overwrite regexp values', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': /x/ } }, |
| source = { 'a': { 'b': /y/ } }, |
| actual = _.defaultsDeep(object, source); |
| |
| assert.deepEqual(actual.a.b, /x/); |
| }); |
| |
| QUnit.test('should not convert function properties to objects', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.defaultsDeep({}, { 'a': noop }); |
| assert.strictEqual(actual.a, noop); |
| |
| actual = _.defaultsDeep({}, { 'a': { 'b': noop } }); |
| assert.strictEqual(actual.a.b, noop); |
| }); |
| |
| QUnit.test('should overwrite `undefined` values', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': undefined } }, |
| source = { 'a': { 'b': 2 } }, |
| actual = _.defaultsDeep(object, source); |
| |
| assert.strictEqual(actual.a.b, 2); |
| }); |
| |
| QUnit.test('should merge sources containing circular references', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': { 'a': 2 } |
| }; |
| |
| var source = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': {} |
| }; |
| |
| object.foo.b.c.d = object; |
| source.foo.b.c.d = source; |
| source.bar.b = source.foo.b; |
| |
| var actual = _.defaultsDeep(object, source); |
| |
| assert.strictEqual(actual.bar.b, actual.foo.b); |
| assert.strictEqual(actual.foo.b.c.d, actual.foo.b.c.d.foo.b.c.d); |
| }); |
| |
| QUnit.test('should not modify sources', function(assert) { |
| assert.expect(3); |
| |
| var source1 = { 'a': 1, 'b': { 'c': 2 } }, |
| source2 = { 'b': { 'c': 3, 'd': 3 } }, |
| actual = _.defaultsDeep({}, source1, source2); |
| |
| assert.deepEqual(actual, { 'a': 1, 'b': { 'c': 2, 'd': 3 } }); |
| assert.deepEqual(source1, { 'a': 1, 'b': { 'c': 2 } }); |
| assert.deepEqual(source2, { 'b': { 'c': 3, 'd': 3 } }); |
| }); |
| |
| QUnit.test('should not attempt a merge of a string into an array', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.defaultsDeep({ 'a': ['abc'] }, { 'a': 'abc' }); |
| assert.deepEqual(actual, { 'a': ['abc'] }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.defer'); |
| |
| (function() { |
| QUnit.test('should defer `func` execution', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var pass = false; |
| _.defer(function() { pass = true; }); |
| |
| setTimeout(function() { |
| assert.ok(pass); |
| done(); |
| }, 32); |
| }); |
| |
| QUnit.test('should provide additional arguments to `func`', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var args; |
| |
| _.defer(function() { |
| args = slice.call(arguments); |
| }, 1, 2); |
| |
| setTimeout(function() { |
| assert.deepEqual(args, [1, 2]); |
| done(); |
| }, 32); |
| }); |
| |
| QUnit.test('should be cancelable', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var pass = true; |
| |
| var timerId = _.defer(function() { |
| pass = false; |
| }); |
| |
| clearTimeout(timerId); |
| |
| setTimeout(function() { |
| assert.ok(pass); |
| done(); |
| }, 32); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.delay'); |
| |
| (function() { |
| QUnit.test('should delay `func` execution', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var pass = false; |
| _.delay(function() { pass = true; }, 32); |
| |
| setTimeout(function() { |
| assert.notOk(pass); |
| }, 1); |
| |
| setTimeout(function() { |
| assert.ok(pass); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should provide additional arguments to `func`', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var args; |
| |
| _.delay(function() { |
| args = slice.call(arguments); |
| }, 32, 1, 2); |
| |
| setTimeout(function() { |
| assert.deepEqual(args, [1, 2]); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should use a default `wait` of `0`', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var pass = false; |
| |
| _.delay(function() { |
| pass = true; |
| }); |
| |
| assert.notOk(pass); |
| |
| setTimeout(function() { |
| assert.ok(pass); |
| done(); |
| }, 0); |
| }); |
| |
| QUnit.test('should be cancelable', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var pass = true; |
| |
| var timerId = _.delay(function() { |
| pass = false; |
| }, 32); |
| |
| clearTimeout(timerId); |
| |
| setTimeout(function() { |
| assert.ok(pass); |
| done(); |
| }, 64); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('difference methods'); |
| |
| lodashStable.each(['difference', 'differenceBy', 'differenceWith'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the difference of the given arrays', function(assert) { |
| assert.expect(2); |
| |
| var actual = func([1, 2, 3, 4, 5], [5, 2, 10]); |
| assert.deepEqual(actual, [1, 3, 4]); |
| |
| actual = func([1, 2, 3, 4, 5], [5, 2, 10], [8, 4]); |
| assert.deepEqual(actual, [1, 3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| var array = [-0, 0]; |
| |
| var actual = lodashStable.map(array, function(value) { |
| return func(array, [value]); |
| }); |
| |
| assert.deepEqual(actual, [[], []]); |
| |
| actual = lodashStable.map(func([-0, 1], [1]), lodashStable.toString); |
| assert.deepEqual(actual, ['0']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func([1, NaN, 3], [NaN, 5, NaN]), [1, 3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays', function(assert) { |
| assert.expect(1); |
| |
| var array1 = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| array2 = lodashStable.range(LARGE_ARRAY_SIZE), |
| a = {}, |
| b = {}, |
| c = {}; |
| |
| array1.push(a, b, c); |
| array2.push(b, c, a); |
| |
| assert.deepEqual(func(array1, array2), [LARGE_ARRAY_SIZE]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| var array = [-0, 0]; |
| |
| var actual = lodashStable.map(array, function(value) { |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(value)); |
| return func(array, largeArray); |
| }); |
| |
| assert.deepEqual(actual, [[], []]); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, alwaysOne); |
| actual = lodashStable.map(func([-0, 1], largeArray), lodashStable.toString); |
| assert.deepEqual(actual, ['0']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of `NaN`', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, alwaysNaN); |
| assert.deepEqual(func([1, NaN, 3], largeArray), [1, 3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of objects', function(assert) { |
| assert.expect(1); |
| |
| var object1 = {}, |
| object2 = {}, |
| largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object1)); |
| |
| assert.deepEqual(func([object1, object2], largeArray), [object2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore values that are not array-like', function(assert) { |
| assert.expect(3); |
| |
| var array = [1, null, 3]; |
| |
| assert.deepEqual(func(args, 3, { '0': 1 }), [1, 2, 3]); |
| assert.deepEqual(func(null, array, 1), []); |
| assert.deepEqual(func(array, args, null), [null]); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.differenceBy'); |
| |
| (function() { |
| QUnit.test('should accept an `iteratee` argument', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.differenceBy([3.1, 2.2, 1.3], [4.4, 2.5], Math.floor); |
| assert.deepEqual(actual, [3.1, 1.3]); |
| |
| actual = _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x'); |
| assert.deepEqual(actual, [{ 'x': 2 }]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.differenceBy([3.1, 2.2, 1.3], [4.4, 2.5], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [4.4]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.differenceWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }], |
| actual = _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], lodashStable.isEqual); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var array = [-0, 1], |
| largeArray = lodashStable.times(LARGE_ARRAY_SIZE, alwaysOne), |
| others = [[1], largeArray], |
| expected = lodashStable.map(others, lodashStable.constant(['-0'])); |
| |
| var actual = lodashStable.map(others, function(other) { |
| return lodashStable.map(_.differenceWith(array, other, lodashStable.eq), lodashStable.toString); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.divide'); |
| |
| (function() { |
| QUnit.test('should divide two numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.divide(6, 4), 1.5); |
| assert.strictEqual(_.divide(-6, 4), -1.5); |
| assert.strictEqual(_.divide(-6, -4), 1.5); |
| }); |
| |
| QUnit.test('should coerce arguments to numbers', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.divide('6', '4'), 1.5); |
| assert.deepEqual(_.divide('x', 'y'), NaN); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.drop'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should drop the first two elements', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.drop(array, 2), [3]); |
| }); |
| |
| QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? [2, 3] : array; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(n) { |
| return _.drop(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return all elements when `n` < `1`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([0, -1, -Infinity], function(n) { |
| assert.deepEqual(_.drop(array, n), array); |
| }); |
| }); |
| |
| QUnit.test('should return an empty array when `n` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) { |
| assert.deepEqual(_.drop(array, n), []); |
| }); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.drop(array, 1.6), [2, 3]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.drop); |
| |
| assert.deepEqual(actual, [[2, 3], [5, 6], [8, 9]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| predicate = function(value) { values.push(value); return isEven(value); }, |
| values = [], |
| actual = _(array).drop(2).drop().value(); |
| |
| assert.deepEqual(actual, array.slice(3)); |
| |
| actual = _(array).filter(predicate).drop(2).drop().value(); |
| assert.deepEqual(values, array); |
| assert.deepEqual(actual, _.drop(_.drop(_.filter(array, predicate), 2))); |
| |
| actual = _(array).drop(2).dropRight().drop().dropRight(2).value(); |
| assert.deepEqual(actual, _.dropRight(_.drop(_.dropRight(_.drop(array, 2))), 2)); |
| |
| values = []; |
| |
| actual = _(array).drop().filter(predicate).drop(2).dropRight().drop().dropRight(2).value(); |
| assert.deepEqual(values, array.slice(1)); |
| assert.deepEqual(actual, _.dropRight(_.drop(_.dropRight(_.drop(_.filter(_.drop(array), predicate), 2))), 2)); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.dropRight'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should drop the last two elements', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropRight(array, 2), [1]); |
| }); |
| |
| QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? [1, 2] : array; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(n) { |
| return _.dropRight(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return all elements when `n` < `1`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([0, -1, -Infinity], function(n) { |
| assert.deepEqual(_.dropRight(array, n), array); |
| }); |
| }); |
| |
| QUnit.test('should return an empty array when `n` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) { |
| assert.deepEqual(_.dropRight(array, n), []); |
| }); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropRight(array, 1.6), [1, 2]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.dropRight); |
| |
| assert.deepEqual(actual, [[1, 2], [4, 5], [7, 8]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| predicate = function(value) { values.push(value); return isEven(value); }, |
| values = [], |
| actual = _(array).dropRight(2).dropRight().value(); |
| |
| assert.deepEqual(actual, array.slice(0, -3)); |
| |
| actual = _(array).filter(predicate).dropRight(2).dropRight().value(); |
| assert.deepEqual(values, array); |
| assert.deepEqual(actual, _.dropRight(_.dropRight(_.filter(array, predicate), 2))); |
| |
| actual = _(array).dropRight(2).drop().dropRight().drop(2).value(); |
| assert.deepEqual(actual, _.drop(_.dropRight(_.drop(_.dropRight(array, 2))), 2)); |
| |
| values = []; |
| |
| actual = _(array).dropRight().filter(predicate).dropRight(2).drop().dropRight().drop(2).value(); |
| assert.deepEqual(values, array.slice(0, -1)); |
| assert.deepEqual(actual, _.drop(_.dropRight(_.drop(_.dropRight(_.filter(_.dropRight(array), predicate), 2))), 2)); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.dropRightWhile'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| var objects = [ |
| { 'a': 0, 'b': 0 }, |
| { 'a': 1, 'b': 1 }, |
| { 'a': 2, 'b': 2 } |
| ]; |
| |
| QUnit.test('should drop elements while `predicate` returns truthy', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.dropRightWhile(array, function(n) { |
| return n > 2; |
| }); |
| |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.dropRightWhile(array, function() { |
| args = slice.call(arguments); |
| }); |
| |
| assert.deepEqual(args, [4, 3, array]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropRightWhile(objects, { 'b': 2 }), objects.slice(0, 2)); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropRightWhile(objects, ['b', 2]), objects.slice(0, 2)); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropRightWhile(objects, 'b'), objects.slice(0, 1)); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _(array).dropRightWhile(function(n) { |
| return n > 2; |
| }); |
| |
| assert.ok(wrapped instanceof _); |
| assert.deepEqual(wrapped.value(), [1, 2]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.dropWhile'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| var objects = [ |
| { 'a': 2, 'b': 2 }, |
| { 'a': 1, 'b': 1 }, |
| { 'a': 0, 'b': 0 } |
| ]; |
| |
| QUnit.test('should drop elements while `predicate` returns truthy', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.dropWhile(array, function(n) { |
| return n < 3; |
| }); |
| |
| assert.deepEqual(actual, [3, 4]); |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.dropWhile(array, function() { |
| args = slice.call(arguments); |
| }); |
| |
| assert.deepEqual(args, [1, 0, array]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropWhile(objects, { 'b': 2 }), objects.slice(1)); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropWhile(objects, ['b', 2]), objects.slice(1)); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.dropWhile(objects, 'b'), objects.slice(2)); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 3), |
| predicate = function(n) { return n < 3; }, |
| expected = _.dropWhile(array, predicate), |
| wrapped = _(array).dropWhile(predicate); |
| |
| assert.deepEqual(wrapped.value(), expected); |
| assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse()); |
| assert.strictEqual(wrapped.last(), _.last(expected)); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence with `drop`', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 3); |
| |
| var actual = _(array) |
| .dropWhile(function(n) { return n == 1; }) |
| .drop() |
| .dropWhile(function(n) { return n == 3; }) |
| .value(); |
| |
| assert.deepEqual(actual, array.slice(3)); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.endsWith'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should return `true` if a string ends with `target`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.endsWith(string, 'c'), true); |
| }); |
| |
| QUnit.test('should return `false` if a string does not end with `target`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.endsWith(string, 'b'), false); |
| }); |
| |
| QUnit.test('should work with a `position` argument', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.endsWith(string, 'b', 2), true); |
| }); |
| |
| QUnit.test('should work with `position` >= `string.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 5, MAX_SAFE_INTEGER, Infinity], function(position) { |
| assert.strictEqual(_.endsWith(string, 'c', position), true); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `position` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(position) { |
| return _.endsWith(string, position === undefined ? 'c' : '', position); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat a negative `position` as `0`', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.each([-1, -3, -Infinity], function(position) { |
| assert.ok(lodashStable.every(string, function(chr) { |
| return _.endsWith(string, chr, position) === false; |
| })); |
| assert.strictEqual(_.endsWith(string, '', position), true); |
| }); |
| }); |
| |
| QUnit.test('should coerce `position` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.endsWith(string, 'ab', 2.2), true); |
| }); |
| |
| QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) { |
| assert.expect(1); |
| |
| assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) { |
| return _.endsWith(string, '', position, true); |
| })); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.eq'); |
| |
| (function() { |
| QUnit.test('should perform a `SameValueZero` comparison of two values', function(assert) { |
| assert.expect(11); |
| |
| assert.strictEqual(_.eq(), true); |
| assert.strictEqual(_.eq(undefined), true); |
| assert.strictEqual(_.eq(0, -0), true); |
| assert.strictEqual(_.eq(NaN, NaN), true); |
| assert.strictEqual(_.eq(1, 1), true); |
| |
| assert.strictEqual(_.eq(null, undefined), false); |
| assert.strictEqual(_.eq(1, Object(1)), false); |
| assert.strictEqual(_.eq(1, '1'), false); |
| assert.strictEqual(_.eq(1, '1'), false); |
| |
| var object = { 'a': 1 }; |
| assert.strictEqual(_.eq(object, object), true); |
| assert.strictEqual(_.eq(object, { 'a': 1 }), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.escape'); |
| |
| (function() { |
| var escaped = '&<>"'`\/', |
| unescaped = '&<>"\'`\/'; |
| |
| escaped += escaped; |
| unescaped += unescaped; |
| |
| QUnit.test('should escape values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escape(unescaped), escaped); |
| }); |
| |
| QUnit.test('should not escape the "/" character', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escape('/'), '/'); |
| }); |
| |
| QUnit.test('should handle strings with nothing to escape', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escape('abc'), 'abc'); |
| }); |
| |
| QUnit.test('should escape the same characters unescaped by `_.unescape`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escape(_.unescape(escaped)), escaped); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.escapeRegExp'); |
| |
| (function() { |
| var escaped = '\\^\\$\\.\\*\\+\\?\\(\\)\\[\\]\\{\\}\\|\\\\', |
| unescaped = '^$.*+?()[]{}|\\'; |
| |
| QUnit.test('should escape values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escapeRegExp(unescaped + unescaped), escaped + escaped); |
| }); |
| |
| QUnit.test('should handle strings with nothing to escape', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.escapeRegExp('abc'), 'abc'); |
| }); |
| |
| QUnit.test('should return an empty string for empty values', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined, ''], |
| expected = lodashStable.map(values, alwaysEmptyString); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.escapeRegExp(value) : _.escapeRegExp(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.every'); |
| |
| (function() { |
| QUnit.test('should return `true` if `predicate` returns truthy for all elements', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(lodashStable.every([true, 1, 'a'], identity), true); |
| }); |
| |
| QUnit.test('should return `true` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysTrue); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| try { |
| return _.every(value, identity); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` as soon as `predicate` returns falsey', function(assert) { |
| assert.expect(2); |
| |
| var count = 0; |
| |
| assert.strictEqual(_.every([true, null, true], function(value) { |
| count++; |
| return value; |
| }), false); |
| |
| assert.strictEqual(count, 2); |
| }); |
| |
| QUnit.test('should work with collections of `undefined` values (test in IE < 9)', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.every([undefined, undefined, undefined], identity), false); |
| }); |
| |
| QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var array = [0]; |
| return index ? _.every(array, value) : _.every(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(values, alwaysTrue); |
| actual = lodashStable.map(values, function(value, index) { |
| var array = [1]; |
| return index ? _.every(array, value) : _.every(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }]; |
| assert.strictEqual(_.every(objects, 'a'), false); |
| assert.strictEqual(_.every(objects, 'b'), true); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 0, 'b': 0 }, { 'a': 0, 'b': 1 }]; |
| assert.strictEqual(_.every(objects, { 'a': 0 }), true); |
| assert.strictEqual(_.every(objects, { 'b': 1 }), false); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([[1]], _.every); |
| assert.deepEqual(actual, [true]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('strict mode checks'); |
| |
| lodashStable.each(['assign', 'assignIn', 'bindAll', 'defaults'], function(methodName) { |
| var func = _[methodName], |
| isBindAll = methodName == 'bindAll'; |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isStrict ? '' : 'not ') + 'throw strict mode errors', function(assert) { |
| assert.expect(1); |
| |
| if (freeze) { |
| var object = freeze({ 'a': undefined, 'b': function() {} }), |
| pass = !isStrict; |
| |
| try { |
| func(object, isBindAll ? 'b' : { 'a': 1 }); |
| } catch (e) { |
| pass = !pass; |
| } |
| assert.ok(pass); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.fill'); |
| |
| (function() { |
| QUnit.test('should use a default `start` of `0` and a default `end` of `array.length`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a'), ['a', 'a', 'a']); |
| }); |
| |
| QUnit.test('should use `undefined` for `value` if not given', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| actual = _.fill(array); |
| |
| assert.deepEqual(actual, Array(3)); |
| assert.ok(lodashStable.every(actual, function(value, index) { |
| return index in actual; |
| })); |
| }); |
| |
| QUnit.test('should work with a positive `start`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', 1), [1, 'a', 'a']); |
| }); |
| |
| QUnit.test('should work with a `start` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(start) { |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', start), [1, 2, 3]); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `start` values as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, lodashStable.constant(['a', 'a', 'a'])); |
| |
| var actual = lodashStable.map(falsey, function(start) { |
| var array = [1, 2, 3]; |
| return _.fill(array, 'a', start); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `start`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', -1), [1, 2, 'a']); |
| }); |
| |
| QUnit.test('should work with a negative `start` <= negative `array.length`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-3, -4, -Infinity], function(start) { |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', start), ['a', 'a', 'a']); |
| }); |
| }); |
| |
| QUnit.test('should work with `start` >= `end`', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([2, 3], function(start) { |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', start, 2), [1, 2, 3]); |
| }); |
| }); |
| |
| QUnit.test('should work with a positive `end`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', 0, 1), ['a', 2, 3]); |
| }); |
| |
| QUnit.test('should work with a `end` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(end) { |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', 0, end), ['a', 'a', 'a']); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `end` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? ['a', 'a', 'a'] : [1, 2, 3]; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(end) { |
| var array = [1, 2, 3]; |
| return _.fill(array, 'a', 0, end); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `end`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', 0, -1), ['a', 'a', 3]); |
| }); |
| |
| QUnit.test('should work with a negative `end` <= negative `array.length`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-3, -4, -Infinity], function(end) { |
| var array = [1, 2, 3]; |
| assert.deepEqual(_.fill(array, 'a', 0, end), [1, 2, 3]); |
| }); |
| }); |
| |
| QUnit.test('should coerce `start` and `end` to integers', function(assert) { |
| assert.expect(1); |
| |
| var positions = [[0.1, 1.6], ['0', 1], [0, '1'], ['1'], [NaN, 1], [1, NaN]]; |
| |
| var actual = lodashStable.map(positions, function(pos) { |
| var array = [1, 2, 3]; |
| return _.fill.apply(_, [array, 'a'].concat(pos)); |
| }); |
| |
| assert.deepEqual(actual, [['a', 2, 3], ['a', 2, 3], ['a', 2, 3], [1, 'a', 'a'], ['a', 2, 3], [1, 2, 3]]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2], [3, 4]], |
| actual = lodashStable.map(array, _.fill); |
| |
| assert.deepEqual(actual, [[0, 0], [1, 1]]); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var array = [1, 2, 3], |
| wrapped = _(array).fill('a'), |
| actual = wrapped.value(); |
| |
| assert.ok(wrapped instanceof _); |
| assert.deepEqual(actual, ['a', 'a', 'a']); |
| assert.strictEqual(actual, array); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.filter'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should return elements `predicate` returns truthy for', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.filter(array, isEven), [2]); |
| }); |
| |
| QUnit.test('should iterate over an object with numeric keys (test in Mobile Safari 8)', function(assert) { |
| assert.expect(1); |
| |
| // Trigger a mobile Safari 8 JIT bug. |
| // See https://github.com/lodash/lodash/issues/799. |
| var counter = 0, |
| object = { '1': 'foo', '8': 'bar', '50': 'baz' }; |
| |
| lodashStable.times(1000, function(assert) { |
| _.filter([], alwaysTrue); |
| }); |
| |
| _.filter(object, function() { |
| counter++; |
| return true; |
| }); |
| |
| assert.strictEqual(counter, 3); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| lodashStable.each(['find', 'findLast', 'findIndex', 'findLastIndex', 'findKey', 'findLastKey'], function(methodName) { |
| QUnit.module('lodash.' + methodName); |
| |
| var func = _[methodName]; |
| |
| (function() { |
| var objects = [ |
| { 'a': 0, 'b': 0 }, |
| { 'a': 1, 'b': 1 }, |
| { 'a': 2, 'b': 2 } |
| ]; |
| |
| var expected = ({ |
| 'find': [objects[1], undefined, objects[2], objects[1]], |
| 'findLast': [objects[2], undefined, objects[2], objects[2]], |
| 'findIndex': [1, -1, 2, 1], |
| 'findLastIndex': [2, -1, 2, 2], |
| 'findKey': ['1', undefined, '2', '1'], |
| 'findLastKey': ['2', undefined, '2', '2'] |
| })[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the found value', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(objects, function(object) { return object.a; }), expected[0]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` if value is not found', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(objects, function(object) { return object.a === 3; }), expected[1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(objects, { 'b': 2 }), expected[2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(objects, ['b', 2]), expected[2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(objects, 'b'), expected[3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `' + expected[1] + '` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var emptyValues = lodashStable.endsWith(methodName, 'Index') ? lodashStable.reject(empties, lodashStable.isPlainObject) : empties, |
| expecting = lodashStable.map(emptyValues, lodashStable.constant(expected[1])); |
| |
| var actual = lodashStable.map(emptyValues, function(value) { |
| try { |
| return func(value, { 'a': 3 }); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expecting); |
| }); |
| }()); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| var expected = ({ |
| 'find': 1, |
| 'findLast': 4, |
| 'findIndex': 0, |
| 'findLastIndex': 3, |
| 'findKey': '0', |
| 'findLastKey': '3' |
| })[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(array)[methodName](), expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).chain()[methodName]() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not execute immediately when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(array).chain()[methodName](); |
| assert.strictEqual(wrapped.__wrapped__, array); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var largeArray = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| smallArray = array; |
| |
| lodashStable.times(2, function(index) { |
| var array = index ? largeArray : smallArray, |
| wrapped = _(array).filter(isEven); |
| |
| assert.strictEqual(wrapped[methodName](), func(lodashStable.filter(array, isEven))); |
| }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| (function() { |
| var expected = ({ |
| 'find': 1, |
| 'findLast': 2, |
| 'findKey': 'a', |
| 'findLastKey': 'b' |
| })[methodName]; |
| |
| if (expected != null) { |
| QUnit.test('`_.' + methodName + '` should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func({ 'a': 1, 'b': 2, 'c': 3 }, function(n) { |
| return n < 3; |
| }); |
| |
| assert.strictEqual(actual, expected); |
| }); |
| } |
| }()); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.find and lodash.findLast'); |
| |
| lodashStable.each(['find', 'findLast'], function(methodName) { |
| var isFind = methodName == 'find'; |
| |
| QUnit.test('`_.' + methodName + '` should support shortcut fusion', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var findCount = 0, |
| mapCount = 0, |
| array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| iteratee = function(value) { mapCount++; return square(value); }, |
| predicate = function(value) { findCount++; return isEven(value); }, |
| actual = _(array).map(iteratee)[methodName](predicate); |
| |
| assert.strictEqual(findCount, isFind ? 2 : 1); |
| assert.strictEqual(mapCount, isFind ? 2 : 1); |
| assert.strictEqual(actual, isFind ? 4 : square(LARGE_ARRAY_SIZE)); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.flip'); |
| |
| (function() { |
| function fn() { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should flip arguments provided to `func`', function(assert) { |
| assert.expect(1); |
| |
| var flipped = _.flip(fn); |
| assert.deepEqual(flipped('a', 'b', 'c', 'd'), ['d', 'c', 'b', 'a']); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.flatMapDepth'); |
| |
| (function() { |
| var array = [1, [2, [3, [4]], 5]]; |
| |
| QUnit.test('should use a default `depth` of `1`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.flatMapDepth(array, identity), [1, 2, [3, [4]], 5]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2, [3, [4]], 5])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.flatMapDepth(array, value) : _.flatMapDepth(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([-1, 0], function(depth) { |
| assert.deepEqual(_.flatMapDepth(array, identity, depth), [1, [2, [3, [4]], 5]]); |
| }); |
| }); |
| |
| QUnit.test('should coerce `depth` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.flatMapDepth(array, identity, 2.2), [1, 2, 3, [4], 5]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('flatMap methods'); |
| |
| lodashStable.each(['flatMap', 'flatMapDeep', 'flatMapDepth'], function(methodName) { |
| var func = _[methodName], |
| array = [1, 2, 3, 4]; |
| |
| function duplicate(n) { |
| return [n, n]; |
| } |
| |
| QUnit.test('`_.' + methodName + '` should map values in `array` to a new flattened array', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(array, duplicate), |
| expected = lodashStable.flatten(lodashStable.map(array, duplicate)); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': [1, 2] }, { 'a': [3, 4] }]; |
| assert.deepEqual(func(objects, 'a'), array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should iterate over own string keyed properties of objects', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = [1, 2]; |
| } |
| Foo.prototype.b = [3, 4]; |
| |
| var actual = func(new Foo, identity); |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var array = [[1, 2], [3, 4]], |
| object = { 'a': [1, 2], 'b': [3, 4] }, |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2, 3, 4])); |
| |
| lodashStable.each([array, object], function(collection) { |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? func(collection, value) : func(collection); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should accept a falsey `collection` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(falsey, function(collection, index) { |
| try { |
| return index ? func(collection) : func(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat number values for `collection` as empty', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(1), []); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with objects with non-number length properties', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'length': [1, 2] }; |
| assert.deepEqual(func(object, identity), [1, 2]); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.flattenDepth'); |
| |
| (function() { |
| var array = [1, [2, [3, [4]], 5]]; |
| |
| QUnit.test('should use a default `depth` of `1`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.flattenDepth(array), [1, 2, [3, [4]], 5]); |
| }); |
| |
| QUnit.test('should treat a `depth` of < `1` as a shallow clone', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([-1, 0], function(depth) { |
| assert.deepEqual(_.flattenDepth(array, depth), [1, [2, [3, [4]], 5]]); |
| }); |
| }); |
| |
| QUnit.test('should coerce `depth` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.flattenDepth(array, 2.2), [1, 2, 3, [4], 5]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('flatten methods'); |
| |
| (function() { |
| var args = arguments, |
| array = [1, [2, [3, [4]], 5]]; |
| |
| QUnit.test('should flatten `arguments` objects', function(assert) { |
| assert.expect(3); |
| |
| var array = [args, [args]]; |
| |
| assert.deepEqual(_.flatten(array), [1, 2, 3, args]); |
| assert.deepEqual(_.flattenDeep(array), [1, 2, 3, 1, 2, 3]); |
| assert.deepEqual(_.flattenDepth(array, 2), [1, 2, 3, 1, 2, 3]); |
| }); |
| |
| QUnit.test('should treat sparse arrays as dense', function(assert) { |
| assert.expect(6); |
| |
| var array = [[1, 2, 3], Array(3)], |
| expected = [1, 2, 3]; |
| |
| expected.push(undefined, undefined, undefined); |
| |
| lodashStable.each([_.flatten(array), _.flattenDeep(array), _.flattenDepth(array)], function(actual) { |
| assert.deepEqual(actual, expected); |
| assert.ok('4' in actual); |
| }); |
| }); |
| |
| QUnit.test('should work with extremely large arrays', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.times(3, function(index) { |
| var expected = Array(5e5); |
| try { |
| var func = _.flatten; |
| if (index == 1) { |
| func = _.flattenDeep; |
| } else if (index == 2) { |
| func = _.flattenDepth; |
| } |
| assert.deepEqual(func([expected]), expected); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| }); |
| }); |
| |
| QUnit.test('should work with empty arrays', function(assert) { |
| assert.expect(3); |
| |
| var array = [[], [[]], [[], [[[]]]]]; |
| |
| assert.deepEqual(_.flatten(array), [[], [], [[[]]]]); |
| assert.deepEqual(_.flattenDeep(array), []); |
| assert.deepEqual(_.flattenDepth(array, 2), [[[]]]); |
| }); |
| |
| QUnit.test('should support flattening of nested arrays', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.flatten(array), [1, 2, [3, [4]], 5]); |
| assert.deepEqual(_.flattenDeep(array), [1, 2, 3, 4, 5]); |
| assert.deepEqual(_.flattenDepth(array, 2), [1, 2, 3, [4], 5]); |
| }); |
| |
| QUnit.test('should return an empty array for non array-like objects', function(assert) { |
| assert.expect(3); |
| |
| var expected = [], |
| nonArray = { 'a': 1 }; |
| |
| assert.deepEqual(_.flatten(nonArray), expected); |
| assert.deepEqual(_.flattenDeep(nonArray), expected); |
| assert.deepEqual(_.flattenDepth(nonArray, 2), expected); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var wrapped = _(array), |
| actual = wrapped.flatten(); |
| |
| assert.ok(actual instanceof _); |
| assert.deepEqual(actual.value(), [1, 2, [3, [4]], 5]); |
| |
| actual = wrapped.flattenDeep(); |
| |
| assert.ok(actual instanceof _); |
| assert.deepEqual(actual.value(), [1, 2, 3, 4, 5]); |
| |
| actual = wrapped.flattenDepth(2); |
| |
| assert.ok(actual instanceof _); |
| assert.deepEqual(actual.value(), [1, 2, 3, [4], 5]); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('flow methods'); |
| |
| lodashStable.each(['flow', 'flowRight'], function(methodName) { |
| var func = _[methodName], |
| isFlow = methodName == 'flow'; |
| |
| QUnit.test('`_.' + methodName + '` should supply each function with the return value of the previous', function(assert) { |
| assert.expect(1); |
| |
| var fixed = function(n) { return n.toFixed(1); }, |
| combined = isFlow ? func(add, square, fixed) : func(fixed, square, add); |
| |
| assert.strictEqual(combined(1, 2), '9.0'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a new function', function(assert) { |
| assert.expect(1); |
| |
| assert.notStrictEqual(func(noop), noop); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an identity function when no arguments are given', function(assert) { |
| assert.expect(6); |
| |
| _.times(2, function(index) { |
| try { |
| var combined = index ? func([]) : func(); |
| assert.strictEqual(combined('a'), 'a'); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| assert.strictEqual(combined.length, 0); |
| assert.notStrictEqual(combined, identity); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a curried function and `_.head`', function(assert) { |
| assert.expect(1); |
| |
| var curried = _.curry(identity); |
| |
| var combined = isFlow |
| ? func(_.head, curried) |
| : func(curried, _.head); |
| |
| assert.strictEqual(combined([1]), 1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support shortcut fusion', function(assert) { |
| assert.expect(6); |
| |
| var filterCount, |
| mapCount, |
| array = lodashStable.range(LARGE_ARRAY_SIZE), |
| iteratee = function(value) { mapCount++; return square(value); }, |
| predicate = function(value) { filterCount++; return isEven(value); }; |
| |
| lodashStable.times(2, function(index) { |
| var filter1 = _.filter, |
| filter2 = _.curry(_.rearg(_.ary(_.filter, 2), 1, 0), 2), |
| filter3 = (_.filter = index ? filter2 : filter1, filter2(predicate)); |
| |
| var map1 = _.map, |
| map2 = _.curry(_.rearg(_.ary(_.map, 2), 1, 0), 2), |
| map3 = (_.map = index ? map2 : map1, map2(iteratee)); |
| |
| var take1 = _.take, |
| take2 = _.curry(_.rearg(_.ary(_.take, 2), 1, 0), 2), |
| take3 = (_.take = index ? take2 : take1, take2(2)); |
| |
| var combined = isFlow |
| ? func(map3, filter3, _.compact, take3) |
| : func(take3, _.compact, filter3, map3); |
| |
| filterCount = mapCount = 0; |
| assert.deepEqual(combined(array), [4, 16]); |
| |
| if (!isNpm && WeakMap && WeakMap.name) { |
| assert.strictEqual(filterCount, 5, 'filterCount'); |
| assert.strictEqual(mapCount, 5, 'mapCount'); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| _.filter = filter1; |
| _.map = map1; |
| _.take = take1; |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with curried functions with placeholders', function(assert) { |
| assert.expect(1); |
| |
| var curried = _.curry(_.ary(_.map, 2), 2), |
| getProp = curried(curried.placeholder, 'a'), |
| objects = [{ 'a': 1 }, { 'a': 2 }, { 'a': 1 }]; |
| |
| var combined = isFlow |
| ? func(getProp, _.uniq) |
| : func(_.uniq, getProp); |
| |
| assert.deepEqual(combined(objects), [1, 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(noop)[methodName](); |
| assert.ok(wrapped instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.forEach'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.each, _.forEach); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.forEachRight'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.eachRight, _.forEachRight); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('forIn methods'); |
| |
| lodashStable.each(['forIn', 'forInRight'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` iterates over inherited string keyed properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var keys = []; |
| func(new Foo, function(value, key) { keys.push(key); }); |
| assert.deepEqual(keys.sort(), ['a', 'b']); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('forOwn methods'); |
| |
| lodashStable.each(['forOwn', 'forOwnRight'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should iterate over `length` properties', function(assert) { |
| assert.expect(1); |
| |
| var object = { '0': 'zero', '1': 'one', 'length': 2 }, |
| props = []; |
| |
| func(object, function(value, prop) { props.push(prop); }); |
| assert.deepEqual(props.sort(), ['0', '1', 'length']); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('iteration methods'); |
| |
| (function() { |
| var methods = [ |
| '_baseEach', |
| 'countBy', |
| 'every', |
| 'filter', |
| 'find', |
| 'findIndex', |
| 'findKey', |
| 'findLast', |
| 'findLastIndex', |
| 'findLastKey', |
| 'forEach', |
| 'forEachRight', |
| 'forIn', |
| 'forInRight', |
| 'forOwn', |
| 'forOwnRight', |
| 'groupBy', |
| 'keyBy', |
| 'map', |
| 'mapKeys', |
| 'mapValues', |
| 'maxBy', |
| 'minBy', |
| 'omitBy', |
| 'partition', |
| 'pickBy', |
| 'reject', |
| 'some' |
| ]; |
| |
| var arrayMethods = [ |
| 'findIndex', |
| 'findLastIndex', |
| 'maxBy', |
| 'minBy' |
| ]; |
| |
| var collectionMethods = [ |
| '_baseEach', |
| 'countBy', |
| 'every', |
| 'filter', |
| 'find', |
| 'findLast', |
| 'forEach', |
| 'forEachRight', |
| 'groupBy', |
| 'keyBy', |
| 'map', |
| 'partition', |
| 'reduce', |
| 'reduceRight', |
| 'reject', |
| 'some' |
| ]; |
| |
| var forInMethods = [ |
| 'forIn', |
| 'forInRight', |
| 'omitBy', |
| 'pickBy' |
| ]; |
| |
| var iterationMethods = [ |
| '_baseEach', |
| 'forEach', |
| 'forEachRight', |
| 'forIn', |
| 'forInRight', |
| 'forOwn', |
| 'forOwnRight' |
| ]; |
| |
| var objectMethods = [ |
| 'findKey', |
| 'findLastKey', |
| 'forIn', |
| 'forInRight', |
| 'forOwn', |
| 'forOwnRight', |
| 'mapKeys', |
| 'mapValues', |
| 'omitBy', |
| 'pickBy' |
| ]; |
| |
| var rightMethods = [ |
| 'findLast', |
| 'findLastIndex', |
| 'findLastKey', |
| 'forEachRight', |
| 'forInRight', |
| 'forOwnRight' |
| ]; |
| |
| var unwrappedMethods = [ |
| 'each', |
| 'eachRight', |
| 'every', |
| 'find', |
| 'findIndex', |
| 'findKey', |
| 'findLast', |
| 'findLastIndex', |
| 'findLastKey', |
| 'forEach', |
| 'forEachRight', |
| 'forIn', |
| 'forInRight', |
| 'forOwn', |
| 'forOwnRight', |
| 'max', |
| 'maxBy', |
| 'min', |
| 'minBy', |
| 'some' |
| ]; |
| |
| lodashStable.each(methods, function(methodName) { |
| var array = [1, 2, 3], |
| func = _[methodName], |
| isBy = /(^partition|By)$/.test(methodName), |
| isFind = /^find/.test(methodName), |
| isOmitPick = /^(?:omit|pick)By$/.test(methodName), |
| isSome = methodName == 'some'; |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct iteratee arguments', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var args, |
| expected = [1, 0, array]; |
| |
| func(array, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| if (lodashStable.includes(rightMethods, methodName)) { |
| expected[0] = 3; |
| expected[1] = 2; |
| } |
| if (lodashStable.includes(objectMethods, methodName)) { |
| expected[1] += ''; |
| } |
| if (isBy) { |
| expected.length = isOmitPick ? 2 : 1; |
| } |
| assert.deepEqual(args, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat sparse arrays as dense', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var array = [1]; |
| array[2] = 3; |
| |
| var expected = lodashStable.includes(objectMethods, methodName) |
| ? [[1, '0', array], [undefined, '1', array], [3, '2', array]] |
| : [[1, 0, array], [undefined, 1, array], [3, 2, array]]; |
| |
| if (isBy) { |
| expected = lodashStable.map(expected, function(args) { |
| return args.slice(0, isOmitPick ? 2 : 1); |
| }); |
| } |
| else if (lodashStable.includes(objectMethods, methodName)) { |
| expected = lodashStable.map(expected, function(args) { |
| args[1] += ''; |
| return args; |
| }); |
| } |
| if (lodashStable.includes(rightMethods, methodName)) { |
| expected.reverse(); |
| } |
| var argsList = []; |
| func(array, function() { |
| argsList.push(slice.call(arguments)); |
| return !(isFind || isSome); |
| }); |
| |
| assert.deepEqual(argsList, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(lodashStable.difference(methods, objectMethods), function(methodName) { |
| var array = [1, 2, 3], |
| func = _[methodName], |
| isEvery = methodName == 'every'; |
| |
| array.a = 1; |
| |
| QUnit.test('`_.' + methodName + '` should not iterate custom properties on arrays', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var keys = []; |
| func(array, function(value, key) { |
| keys.push(key); |
| return isEvery; |
| }); |
| |
| assert.notOk(lodashStable.includes(keys, 'a')); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(lodashStable.difference(methods, unwrappedMethods), function(methodName) { |
| var array = [1, 2, 3], |
| isBaseEach = methodName == '_baseEach'; |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!(isBaseEach || isNpm)) { |
| var wrapped = _(array)[methodName](noop); |
| assert.ok(wrapped instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(unwrappedMethods, function(methodName) { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _(array)[methodName](noop); |
| assert.notOk(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _(array).chain(), |
| actual = wrapped[methodName](noop); |
| |
| assert.ok(actual instanceof _); |
| assert.notStrictEqual(actual, wrapped); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| |
| lodashStable.each(lodashStable.difference(methods, arrayMethods, forInMethods), function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` iterates over own string keyed properties of objects', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| if (func) { |
| var values = []; |
| func(new Foo, function(value) { values.push(value); }); |
| assert.deepEqual(values, [1]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(iterationMethods, function(methodName) { |
| var array = [1, 2, 3], |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the collection', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| assert.strictEqual(func(array, Boolean), array); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(collectionMethods, function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should use `isArrayLike` to determine whether a value is array-like', function(assert) { |
| assert.expect(3); |
| |
| if (func) { |
| var isIteratedAsObject = function(object) { |
| var result = false; |
| func(object, function() { result = true; }, 0); |
| return result; |
| }; |
| |
| var values = [-1, '1', 1.1, Object(1), MAX_SAFE_INTEGER + 1], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(length) { |
| return isIteratedAsObject({ 'length': length }); |
| }); |
| |
| var Foo = function(a) {}; |
| Foo.a = 1; |
| |
| assert.deepEqual(actual, expected); |
| assert.ok(isIteratedAsObject(Foo)); |
| assert.notOk(isIteratedAsObject({ 'length': 0 })); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }); |
| |
| lodashStable.each(methods, function(methodName) { |
| var func = _[methodName], |
| isFind = /^find/.test(methodName), |
| isSome = methodName == 'some', |
| isReduce = /^reduce/.test(methodName); |
| |
| QUnit.test('`_.' + methodName + '` should ignore changes to `array.length`', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var count = 0, |
| array = [1]; |
| |
| func(array, function() { |
| if (++count == 1) { |
| array.push(2); |
| } |
| return !(isFind || isSome); |
| }, isReduce ? array : null); |
| |
| assert.strictEqual(count, 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(lodashStable.difference(lodashStable.union(methods, collectionMethods), arrayMethods), function(methodName) { |
| var func = _[methodName], |
| isFind = /^find/.test(methodName), |
| isSome = methodName == 'some', |
| isReduce = /^reduce/.test(methodName); |
| |
| QUnit.test('`_.' + methodName + '` should ignore added `object` properties', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var count = 0, |
| object = { 'a': 1 }; |
| |
| func(object, function() { |
| if (++count == 1) { |
| object.b = 2; |
| } |
| return !(isFind || isSome); |
| }, isReduce ? object : null); |
| |
| assert.strictEqual(count, 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('object assignments'); |
| |
| lodashStable.each(['assign', 'assignIn', 'defaults', 'merge'], function(methodName) { |
| var func = _[methodName], |
| isAssign = methodName == 'assign', |
| isDefaults = methodName == 'defaults'; |
| |
| QUnit.test('`_.' + methodName + '` should coerce primitives to objects', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(primitives, function(value) { |
| var object = Object(value); |
| object.a = 1; |
| return object; |
| }); |
| |
| var actual = lodashStable.map(primitives, function(value) { |
| return func(value, { 'a': 1 }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should assign own ' + (isAssign ? '' : 'and inherited ') + 'string keyed source properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var expected = isAssign ? { 'a': 1 } : { 'a': 1, 'b': 2 }; |
| assert.deepEqual(func({}, new Foo), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not error on nullish sources', function(assert) { |
| assert.expect(1); |
| |
| try { |
| assert.deepEqual(func({ 'a': 1 }, undefined, { 'b': 2 }, null), { 'a': 1, 'b': 2 }); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should create an object when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var source = { 'a': 1 }, |
| values = [null, undefined], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var object = func(value, source); |
| return object !== source && lodashStable.isEqual(object, source); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| actual = lodashStable.map(values, function(value) { |
| return lodashStable.isEqual(func(value), {}); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.reduce`', function(assert) { |
| assert.expect(2); |
| |
| var array = [{ 'a': 1 }, { 'b': 2 }, { 'c': 3 }], |
| expected = { 'a': isDefaults ? 0 : 1, 'b': 2, 'c': 3 }; |
| |
| assert.deepEqual(lodashStable.reduce(array, func, { 'a': 0 }), expected); |
| |
| var fn = function() {}; |
| fn.a = array[0]; |
| fn.b = array[1]; |
| fn.c = array[2]; |
| |
| assert.deepEqual(_.reduce(fn, func, { 'a': 0 }), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not return the existing wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _({ 'a': 1 }), |
| actual = wrapped[methodName]({ 'b': 2 }); |
| |
| assert.notStrictEqual(actual, wrapped); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(['assign', 'assignIn', 'merge'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should not treat `object` as `source`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| var actual = func(new Foo, { 'b': 2 }); |
| assert.notOk(_.has(actual, 'a')); |
| }); |
| }); |
| |
| lodashStable.each(['assign', 'assignIn', 'assignInWith', 'assignWith', 'defaults', 'merge', 'mergeWith'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should not assign values that are the same as their destinations', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a', ['a'], { 'a': 1 }, NaN], function(value) { |
| if (defineProperty) { |
| var object = {}, |
| pass = true; |
| |
| defineProperty(object, 'a', { |
| 'enumerable': true, |
| 'configurable': true, |
| 'get': lodashStable.constant(value), |
| 'set': function() { pass = false; } |
| }); |
| |
| func(object, { 'a': value }); |
| assert.ok(pass); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }); |
| |
| lodashStable.each(['assignWith', 'assignInWith', 'mergeWith'], function(methodName) { |
| var func = _[methodName], |
| isMergeWith = methodName == 'mergeWith'; |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct `customizer` arguments', function(assert) { |
| assert.expect(3); |
| |
| var args, |
| object = { 'a': 1 }, |
| source = { 'a': 2 }, |
| expected = lodashStable.map([1, 2, 'a', object, source], lodashStable.cloneDeep); |
| |
| func(object, source, function() { |
| args || (args = lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep)); |
| }); |
| |
| assert.deepEqual(args, expected, 'primitive property values'); |
| |
| args = undefined; |
| object = { 'a': 1 }; |
| source = { 'b': 2 }; |
| expected = lodashStable.map([undefined, 2, 'b', object, source], lodashStable.cloneDeep); |
| |
| func(object, source, function() { |
| args || (args = lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep)); |
| }); |
| |
| assert.deepEqual(args, expected, 'missing destination property'); |
| |
| var argsList = [], |
| objectValue = [1, 2], |
| sourceValue = { 'b': 2 }; |
| |
| object = { 'a': objectValue }; |
| source = { 'a': sourceValue }; |
| expected = [lodashStable.map([objectValue, sourceValue, 'a', object, source], lodashStable.cloneDeep)]; |
| |
| if (isMergeWith) { |
| expected.push(lodashStable.map([undefined, 2, 'b', objectValue, sourceValue], lodashStable.cloneDeep)); |
| } |
| func(object, source, function() { |
| argsList.push(lodashStable.map(slice.call(arguments, 0, 5), lodashStable.cloneDeep)); |
| }); |
| |
| assert.deepEqual(argsList, expected, 'object property values'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not treat the second argument as a `customizer` callback', function(assert) { |
| assert.expect(2); |
| |
| function callback() {} |
| callback.b = 2; |
| |
| var actual = func({ 'a': 1 }, callback); |
| assert.deepEqual(actual, { 'a': 1, 'b': 2 }); |
| |
| actual = func({ 'a': 1 }, callback, { 'c': 3 }); |
| assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('exit early'); |
| |
| lodashStable.each(['_baseEach', 'forEach', 'forEachRight', 'forIn', 'forInRight', 'forOwn', 'forOwnRight', 'transform'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` can exit early when iterating arrays', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var array = [1, 2, 3], |
| values = []; |
| |
| func(array, function(value, other) { |
| values.push(lodashStable.isArray(value) ? other : value); |
| return false; |
| }); |
| |
| assert.deepEqual(values, [lodashStable.endsWith(methodName, 'Right') ? 3 : 1]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` can exit early when iterating objects', function(assert) { |
| assert.expect(1); |
| |
| if (func) { |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| values = []; |
| |
| func(object, function(value, other) { |
| values.push(lodashStable.isArray(value) ? other : value); |
| return false; |
| }); |
| |
| assert.strictEqual(values.length, 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('`__proto__` property bugs'); |
| |
| (function() { |
| QUnit.test('internal data objects should work with the `__proto__` key', function(assert) { |
| assert.expect(4); |
| |
| var stringLiteral = '__proto__', |
| stringObject = Object(stringLiteral), |
| expected = [stringLiteral, stringObject]; |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(count) { |
| return isEven(count) ? stringLiteral : stringObject; |
| }); |
| |
| assert.deepEqual(_.difference(largeArray, largeArray), []); |
| assert.deepEqual(_.intersection(largeArray, largeArray), expected); |
| assert.deepEqual(_.uniq(largeArray), expected); |
| assert.deepEqual(_.without.apply(_, [largeArray].concat(largeArray)), []); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.fromPairs'); |
| |
| (function() { |
| QUnit.test('should accept a two dimensional array', function(assert) { |
| assert.expect(1); |
| |
| var array = [['a', 1], ['b', 2]], |
| object = { 'a': 1, 'b': 2 }, |
| actual = _.fromPairs(array); |
| |
| assert.deepEqual(actual, object); |
| }); |
| |
| QUnit.test('should accept a falsey `array` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyObject); |
| |
| var actual = lodashStable.map(falsey, function(array, index) { |
| try { |
| return index ? _.fromPairs(array) : _.fromPairs(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not support deep paths', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.fromPairs([['a.b', 1]]); |
| assert.deepEqual(actual, { 'a.b': 1 }); |
| }); |
| |
| QUnit.test('should support consuming the return value of `_.toPairs`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a.b': 1 }; |
| assert.deepEqual(_.fromPairs(_.toPairs(object)), object); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return ['key' + index, index]; |
| }); |
| |
| var actual = _(array).fromPairs().map(square).filter(isEven).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.filter(_.map(_.fromPairs(array), square), isEven))); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.functions'); |
| |
| (function() { |
| QUnit.test('should return the function names of an object', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 'a', 'b': identity, 'c': /x/, 'd': noop }, |
| actual = _.functions(object).sort(); |
| |
| assert.deepEqual(actual, ['b', 'd']); |
| }); |
| |
| QUnit.test('should not include inherited functions', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = identity; |
| this.b = 'b'; |
| } |
| Foo.prototype.c = noop; |
| |
| assert.deepEqual(_.functions(new Foo), ['a']); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.groupBy'); |
| |
| (function() { |
| var array = [6.1, 4.2, 6.3]; |
| |
| QUnit.test('should transform keys by `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.groupBy(array, Math.floor); |
| assert.deepEqual(actual, { '4': [4.2], '6': [6.1, 6.3] }); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array = [6, 4, 6], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant({ '4': [4], '6': [6, 6] })); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.groupBy(array, value) : _.groupBy(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.groupBy(['one', 'two', 'three'], 'length'); |
| assert.deepEqual(actual, { '3': ['one', 'two'], '5': ['three'] }); |
| }); |
| |
| QUnit.test('should only add values to own, not inherited, properties', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.groupBy(array, function(n) { |
| return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor'; |
| }); |
| |
| assert.deepEqual(actual.constructor, [4.2]); |
| assert.deepEqual(actual.hasOwnProperty, [6.1, 6.3]); |
| }); |
| |
| QUnit.test('should work with a number for `iteratee`', function(assert) { |
| assert.expect(2); |
| |
| var array = [ |
| [1, 'a'], |
| [2, 'a'], |
| [2, 'b'] |
| ]; |
| |
| assert.deepEqual(_.groupBy(array, 0), { '1': [[1, 'a']], '2': [[2, 'a'], [2, 'b']] }); |
| assert.deepEqual(_.groupBy(array, 1), { 'a': [[1, 'a'], [2, 'a']], 'b': [[2, 'b']] }); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.groupBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor); |
| assert.deepEqual(actual, { '4': [4.2], '6': [6.1, 6.3] }); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE).concat( |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE), |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE) |
| ); |
| |
| var iteratee = function(value) { value.push(value[0]); return value; }, |
| predicate = function(value) { return isEven(value[0]); }, |
| actual = _(array).groupBy().map(iteratee).filter(predicate).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.filter(lodashStable.map(_.groupBy(array), iteratee), predicate))); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.gt'); |
| |
| (function() { |
| QUnit.test('should return `true` if `value` > `other`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.gt(3, 1), true); |
| assert.strictEqual(_.gt('def', 'abc'), true); |
| }); |
| |
| QUnit.test('should return `false` if `value` is <= `other`', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.gt(1, 3), false); |
| assert.strictEqual(_.gt(3, 3), false); |
| assert.strictEqual(_.gt('abc', 'def'), false); |
| assert.strictEqual(_.gt('def', 'def'), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.gte'); |
| |
| (function() { |
| QUnit.test('should return `true` if `value` >= `other`', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.gte(3, 1), true); |
| assert.strictEqual(_.gte(3, 3), true); |
| assert.strictEqual(_.gte('def', 'abc'), true); |
| assert.strictEqual(_.gte('def', 'def'), true); |
| }); |
| |
| QUnit.test('should return `false` if `value` is less than `other`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.gte(1, 3), false); |
| assert.strictEqual(_.gte('abc', 'def'), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('has methods'); |
| |
| lodashStable.each(['has', 'hasIn'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| func = _[methodName], |
| isHas = methodName == 'has'; |
| |
| QUnit.test('`_.' + methodName + '` should check for own properties', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1 }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| assert.strictEqual(func(object, path), true); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not use the `hasOwnProperty` method of the object', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'hasOwnProperty': null, 'a': 1 }; |
| assert.strictEqual(func(object, 'a'), true); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support deep paths', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(func(object, path), true); |
| }); |
| |
| lodashStable.each(['a.a', ['a', 'a']], function(path) { |
| assert.strictEqual(func(object, path), false); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `path` to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var expected = [1, 1, 2, 2, 3, 3, 4, 4], |
| objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }], |
| values = [null, undefined, fn, {}]; |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var prop = _.property(key); |
| result.push(prop(object)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(args, 1), true); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3]; |
| |
| lodashStable.each([1, [1]], function(path) { |
| assert.strictEqual(func(array, path), true); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)], |
| expected = lodashStable.map(props, alwaysTrue); |
| |
| var actual = lodashStable.map(props, function(key) { |
| return func(object, key); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a symbol `path`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this[symbol] = 1; |
| } |
| |
| if (Symbol) { |
| var symbol2 = Symbol('b'); |
| Foo.prototype[symbol2] = 2; |
| var path = isHas ? symbol : symbol2; |
| |
| assert.strictEqual(func(new Foo, path), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work for objects with a `[[Prototype]]` of `null`', function(assert) { |
| assert.expect(1); |
| |
| if (create) { |
| var object = create(null); |
| object[1] = 'a'; |
| assert.strictEqual(func(object, 1), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should check for a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': 1 }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| assert.strictEqual(func(object, path), true); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `' + (isHas ? 'false' : 'true') + '` for inherited properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| assert.strictEqual(func(new Foo, path), !isHas); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `' + (isHas ? 'false' : 'true') + '` for nested inherited properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.a = { 'b': 1 }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(func(new Foo, path), !isHas); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `true` for index values within bounds for arrays, `arguments` objects, and strings', function(assert) { |
| assert.expect(2); |
| |
| var string = Object('abc'); |
| delete args[0]; |
| delete string[0]; |
| |
| var values = [Array(3), args, string], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value, 0); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(values, lodashStable.constant([true, true])); |
| |
| actual = lodashStable.map(values, function(value) { |
| return lodashStable.map(['a[0]', ['a', '0']], function(path) { |
| return func({ 'a': value }, path); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| args[0] = 1; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `false` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var actual = lodashStable.map(values, function(value) { |
| return func(value, path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `false` for deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var actual = lodashStable.map(values, function(value) { |
| return func(value, path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `false` for nullish values of nested objects', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var actual = lodashStable.map(values, function(value, index) { |
| var object = index ? { 'a': value } : {}; |
| return func(object, path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.head'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| QUnit.test('should return the first element', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.head(array), 1); |
| }); |
| |
| QUnit.test('should return `undefined` when querying empty arrays', function(assert) { |
| assert.expect(1); |
| |
| arrayProto[0] = 1; |
| assert.strictEqual(_.head([]), undefined); |
| arrayProto.length = 0; |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.head); |
| |
| assert.deepEqual(actual, [1, 4, 7]); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(array).head(), 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).chain().head() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should not execute immediately when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(array).chain().head(); |
| assert.strictEqual(wrapped.__wrapped__, array); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var largeArray = lodashStable.range(LARGE_ARRAY_SIZE), |
| smallArray = array; |
| |
| lodashStable.times(2, function(index) { |
| var array = index ? largeArray : smallArray, |
| wrapped = _(array).filter(isEven); |
| |
| assert.strictEqual(wrapped.head(), _.head(_.filter(array, isEven))); |
| }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.first, _.head); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.identity'); |
| |
| (function() { |
| QUnit.test('should return the first argument given', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'name': 'fred' }; |
| assert.strictEqual(_.identity(object), object); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.includes'); |
| |
| (function() { |
| lodashStable.each({ |
| 'an `arguments` object': arguments, |
| 'an array': [1, 2, 3, 4], |
| 'an object': { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, |
| 'a string': '1234' |
| }, |
| function(collection, key) { |
| var isStr = typeof collection == 'string', |
| values = _.toArray(collection), |
| length = values.length; |
| |
| QUnit.test('should work with ' + key + ' and return `true` for matched values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.includes(collection, 3), true); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and return `false` for unmatched values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.includes(collection, 5), false); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and a positive `fromIndex`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.includes(collection, values[2], 2), true); |
| assert.strictEqual(_.includes(collection, values[1], 2), false); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and a `fromIndex` >= `collection.length`', function(assert) { |
| assert.expect(12); |
| |
| lodashStable.each([4, 6, Math.pow(2, 32), Infinity], function(fromIndex) { |
| assert.strictEqual(_.includes(collection, 1, fromIndex), false); |
| assert.strictEqual(_.includes(collection, undefined, fromIndex), false); |
| assert.strictEqual(_.includes(collection, '', fromIndex), (isStr && fromIndex == length)); |
| }); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and treat falsey `fromIndex` values as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(fromIndex) { |
| return _.includes(collection, values[0], fromIndex); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and coerce non-integer `fromIndex` values to integers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.includes(collection, values[0], '1'), false); |
| assert.strictEqual(_.includes(collection, values[0], 0.1), true); |
| assert.strictEqual(_.includes(collection, values[0], NaN), true); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and a negative `fromIndex`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.includes(collection, values[2], -2), true); |
| assert.strictEqual(_.includes(collection, values[1], -2), false); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and a negative `fromIndex` <= negative `collection.length`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-4, -6, -Infinity], function(fromIndex) { |
| assert.strictEqual(_.includes(collection, values[0], fromIndex), true); |
| }); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and floor `position` values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.includes(collection, 2, 1.2), true); |
| }); |
| |
| QUnit.test('should work with ' + key + ' and return an unwrapped value implicitly when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(collection).includes(3), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work with ' + key + ' and return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(collection).chain().includes(3) instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each({ |
| 'literal': 'abc', |
| 'object': Object('abc') |
| }, |
| function(collection, key) { |
| QUnit.test('should work with a string ' + key + ' for `collection`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.includes(collection, 'bc'), true); |
| assert.strictEqual(_.includes(collection, 'd'), false); |
| }); |
| }); |
| |
| QUnit.test('should return `false` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysFalse); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| try { |
| return _.includes(value); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match `NaN`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.includes([1, NaN, 3], NaN), true); |
| }); |
| |
| QUnit.test('should match `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.includes([-0], 0), true); |
| assert.strictEqual(_.includes([0], -0), true); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.every`', function(assert) { |
| assert.expect(1); |
| |
| var array1 = [1, 2, 3], |
| array2 = [2, 3, 1]; |
| |
| assert.ok(lodashStable.every(array1, lodashStable.partial(_.includes, array2))); |
| }); |
| }(1, 2, 3, 4)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.indexOf'); |
| |
| (function() { |
| var array = [1, 2, 3, 1, 2, 3]; |
| |
| QUnit.test('should return the index of the first matched value', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.indexOf(array, 3), 2); |
| }); |
| |
| QUnit.test('should work with a positive `fromIndex`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.indexOf(array, 1, 2), 3); |
| }); |
| |
| QUnit.test('should work with `fromIndex` >= `array.length`', function(assert) { |
| assert.expect(1); |
| |
| var values = [6, 8, Math.pow(2, 32), Infinity], |
| expected = lodashStable.map(values, lodashStable.constant([-1, -1, -1])); |
| |
| var actual = lodashStable.map(values, function(fromIndex) { |
| return [ |
| _.indexOf(array, undefined, fromIndex), |
| _.indexOf(array, 1, fromIndex), |
| _.indexOf(array, '', fromIndex) |
| ]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `fromIndex`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.indexOf(array, 2, -3), 4); |
| }); |
| |
| QUnit.test('should work with a negative `fromIndex` <= `-array.length`', function(assert) { |
| assert.expect(1); |
| |
| var values = [-6, -8, -Infinity], |
| expected = lodashStable.map(values, alwaysZero); |
| |
| var actual = lodashStable.map(values, function(fromIndex) { |
| return _.indexOf(array, 1, fromIndex); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat falsey `fromIndex` values as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysZero); |
| |
| var actual = lodashStable.map(falsey, function(fromIndex) { |
| return _.indexOf(array, 1, fromIndex); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce `fromIndex` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.indexOf(array, 2, 1.2), 1); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.initial'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should accept a falsey `array` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(falsey, function(array, index) { |
| try { |
| return index ? _.initial(array) : _.initial(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should exclude last element', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.initial(array), [1, 2]); |
| }); |
| |
| QUnit.test('should return an empty when querying empty arrays', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.initial([]), []); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.initial); |
| |
| assert.deepEqual(actual, [[1, 2], [4, 5], [7, 8]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| values = []; |
| |
| var actual = _(array).initial().filter(function(value) { |
| values.push(value); |
| return false; |
| }) |
| .value(); |
| |
| assert.deepEqual(actual, []); |
| assert.deepEqual(values, _.initial(array)); |
| |
| values = []; |
| |
| actual = _(array).filter(function(value) { |
| values.push(value); |
| return isEven(value); |
| }) |
| .initial() |
| .value(); |
| |
| assert.deepEqual(actual, _.initial(lodashStable.filter(array, isEven))); |
| assert.deepEqual(values, array); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.inRange'); |
| |
| (function() { |
| QUnit.test('should work with an `end` argument', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.inRange(3, 5), true); |
| assert.strictEqual(_.inRange(5, 5), false); |
| assert.strictEqual(_.inRange(6, 5), false); |
| }); |
| |
| QUnit.test('should work with `start` and `end` arguments', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.inRange(1, 1, 5), true); |
| assert.strictEqual(_.inRange(3, 1, 5), true); |
| assert.strictEqual(_.inRange(0, 1, 5), false); |
| assert.strictEqual(_.inRange(5, 1, 5), false); |
| }); |
| |
| QUnit.test('should treat falsey `start` arguments as `0`', function(assert) { |
| assert.expect(13); |
| |
| lodashStable.each(falsey, function(value, index) { |
| if (index) { |
| assert.strictEqual(_.inRange(0, value), false); |
| assert.strictEqual(_.inRange(0, value, 1), true); |
| } else { |
| assert.strictEqual(_.inRange(0), false); |
| } |
| }); |
| }); |
| |
| QUnit.test('should swap `start` and `end` when `start` > `end`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.inRange(2, 5, 1), true); |
| assert.strictEqual(_.inRange(-3, -2, -6), true); |
| }); |
| |
| QUnit.test('should work with a floating point `n` value', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.inRange(0.5, 5), true); |
| assert.strictEqual(_.inRange(1.2, 1, 5), true); |
| assert.strictEqual(_.inRange(5.2, 5), false); |
| assert.strictEqual(_.inRange(0.5, 1, 5), false); |
| }); |
| |
| QUnit.test('should coerce arguments to finite numbers', function(assert) { |
| assert.expect(1); |
| |
| var actual = [_.inRange(0, '0', 1), _.inRange(0, '1'), _.inRange(0, 0, '1'), _.inRange(0, NaN, 1), _.inRange(-1, -1, NaN)], |
| expected = lodashStable.map(actual, alwaysTrue); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('intersection methods'); |
| |
| lodashStable.each(['intersection', 'intersectionBy', 'intersectionWith'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the intersection of two arrays', function(assert) { |
| assert.expect(2); |
| |
| var actual = func([1, 3, 2], [5, 2, 1, 4]); |
| assert.deepEqual(actual, [1, 2]); |
| |
| actual = func([5, 2, 1, 4], [1, 3, 2]); |
| assert.deepEqual(actual, [2, 1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return the intersection of multiple arrays', function(assert) { |
| assert.expect(2); |
| |
| var actual = func([1, 3, 2], [5, 2, 1, 4], [2, 1]); |
| assert.deepEqual(actual, [1, 2]); |
| |
| actual = func([5, 2, 1, 4], [2, 1], [1, 3, 2]); |
| assert.deepEqual(actual, [2, 1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an array of unique values', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, 1, 3, 2, 2], [5, 2, 2, 1, 4], [2, 1, 1]); |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a single array', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, 1, 3, 2, 2]); |
| assert.deepEqual(actual, [1, 3, 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) { |
| assert.expect(2); |
| |
| var array = [0, 1, null, 3], |
| expected = [1, 3]; |
| |
| assert.deepEqual(func(array, args), expected); |
| assert.deepEqual(func(args, array), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) { |
| assert.expect(1); |
| |
| var values = [-0, 0], |
| expected = lodashStable.map(values, lodashStable.constant(['0'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return lodashStable.map(func(values, [value]), lodashStable.toString); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, NaN, 3], [NaN, 5, NaN]); |
| assert.deepEqual(actual, [NaN]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) { |
| assert.expect(1); |
| |
| var values = [-0, 0], |
| expected = lodashStable.map(values, lodashStable.constant(['0'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(value)); |
| return lodashStable.map(func(values, largeArray), lodashStable.toString); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of `NaN`', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, alwaysNaN); |
| assert.deepEqual(func([1, NaN, 3], largeArray), [NaN]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of objects', function(assert) { |
| assert.expect(2); |
| |
| var object = {}, |
| largeArray = lodashStable.times(LARGE_ARRAY_SIZE, lodashStable.constant(object)); |
| |
| assert.deepEqual(func([object], largeArray), [object]); |
| assert.deepEqual(func(lodashStable.range(LARGE_ARRAY_SIZE), [1]), [1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat values that are not arrays or `arguments` objects as empty', function(assert) { |
| assert.expect(3); |
| |
| var array = [0, 1, null, 3]; |
| assert.deepEqual(func(array, 3, { '0': 1 }, null), []); |
| assert.deepEqual(func(null, array, null, [2, 3]), []); |
| assert.deepEqual(func(array, null, args, null), []); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _([1, 3, 2])[methodName]([5, 2, 1, 4]); |
| assert.ok(wrapped instanceof _); |
| assert.deepEqual(wrapped.value(), [1, 2]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.intersectionBy'); |
| |
| (function() { |
| QUnit.test('should accept an `iteratee` argument', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.intersectionBy([2.1, 1.2], [4.3, 2.4], Math.floor); |
| assert.deepEqual(actual, [2.1]); |
| |
| actual = _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); |
| assert.deepEqual(actual, [{ 'x': 1 }]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.intersectionBy([2.1, 1.2], [4.3, 2.4], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [4.3]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.intersectionWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }], |
| others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }], |
| actual = _.intersectionWith(objects, others, lodashStable.isEqual); |
| |
| assert.deepEqual(actual, [objects[0]]); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var array = [-0], |
| largeArray = lodashStable.times(LARGE_ARRAY_SIZE, alwaysZero), |
| others = [[0], largeArray], |
| expected = lodashStable.map(others, lodashStable.constant(['-0'])); |
| |
| var actual = lodashStable.map(others, function(other) { |
| return lodashStable.map(_.intersectionWith(array, other, lodashStable.eq), lodashStable.toString); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.invert'); |
| |
| (function() { |
| QUnit.test('should invert an object', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| actual = _.invert(object); |
| |
| assert.deepEqual(actual, { '1': 'a', '2': 'b' }); |
| assert.deepEqual(_.invert(actual), { 'a': '1', 'b': '2' }); |
| }); |
| |
| QUnit.test('should work with values that shadow keys on `Object.prototype`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 'hasOwnProperty', 'b': 'constructor' }; |
| assert.deepEqual(_.invert(object), { 'hasOwnProperty': 'a', 'constructor': 'b' }); |
| }); |
| |
| QUnit.test('should work with an object that has a `length` property', function(assert) { |
| assert.expect(1); |
| |
| var object = { '0': 'a', '1': 'b', 'length': 2 }; |
| assert.deepEqual(_.invert(object), { 'a': '0', 'b': '1', '2': 'length' }); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var object = { 'a': 1, 'b': 2 }, |
| wrapped = _(object).invert(); |
| |
| assert.ok(wrapped instanceof _); |
| assert.deepEqual(wrapped.value(), { '1': 'a', '2': 'b' }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.invertBy'); |
| |
| (function() { |
| var object = { 'a': 1, 'b': 2, 'c': 1 }; |
| |
| QUnit.test('should transform keys by `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'group1': ['a', 'c'], 'group2': ['b'] }; |
| |
| var actual = _.invertBy(object, function(value) { |
| return 'group' + value; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant({ '1': ['a', 'c'], '2': ['b'] })); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.invertBy(object, value) : _.invertBy(object); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should only add multiple values to own, not inherited, properties', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 'hasOwnProperty', 'b': 'constructor' }, |
| expected = { 'hasOwnProperty': ['a'], 'constructor': ['b'] }; |
| |
| assert.ok(lodashStable.isEqual(_.invertBy(object), expected)); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _(object).invertBy(); |
| |
| assert.ok(wrapped instanceof _); |
| assert.deepEqual(wrapped.value(), { '1': ['a', 'c'], '2': ['b'] }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.invoke'); |
| |
| (function() { |
| QUnit.test('should invoke a method on `object`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': lodashStable.constant('A') }, |
| actual = _.invoke(object, 'a'); |
| |
| assert.strictEqual(actual, 'A'); |
| }); |
| |
| QUnit.test('should support invoking with arguments', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': function(a, b) { return [a, b]; } }, |
| actual = _.invoke(object, 'a', 1, 2); |
| |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('should not error on nullish elements', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| return _.invoke(value, 'a.b', 1, 2); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': alwaysA, '0': alwaysB }, |
| props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| return _.invoke(object, key); |
| }); |
| |
| assert.deepEqual(actual, ['a', 'a', 'b', 'b']); |
| }); |
| |
| QUnit.test('should support deep paths', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': function(a, b) { return [a, b]; } } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var actual = _.invoke(object, path, 1, 2); |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| }); |
| |
| QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.deepEqual(_.invoke(object, path), 1); |
| }); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var object = { 'a': alwaysOne }; |
| assert.strictEqual(_(object).invoke('a'), 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var object = { 'a': alwaysOne }; |
| assert.ok(_(object).chain().invoke('a') instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.invokeMap'); |
| |
| (function() { |
| QUnit.test('should invoke a methods on each element of `collection`', function(assert) { |
| assert.expect(1); |
| |
| var array = ['a', 'b', 'c'], |
| actual = _.invokeMap(array, 'toUpperCase'); |
| |
| assert.deepEqual(actual, ['A', 'B', 'C']); |
| }); |
| |
| QUnit.test('should support invoking with arguments', function(assert) { |
| assert.expect(1); |
| |
| var array = [function() { return slice.call(arguments); }], |
| actual = _.invokeMap(array, 'call', null, 'a', 'b', 'c'); |
| |
| assert.deepEqual(actual, [['a', 'b', 'c']]); |
| }); |
| |
| QUnit.test('should work with a function for `methodName`', function(assert) { |
| assert.expect(1); |
| |
| var array = ['a', 'b', 'c']; |
| |
| var actual = _.invokeMap(array, function(left, right) { |
| return left + this.toUpperCase() + right; |
| }, '(', ')'); |
| |
| assert.deepEqual(actual, ['(A)', '(B)', '(C)']); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| actual = _.invokeMap(object, 'toFixed', 1); |
| |
| assert.deepEqual(actual, ['1.0', '2.0', '3.0']); |
| }); |
| |
| QUnit.test('should treat number values for `collection` as empty', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.invokeMap(1), []); |
| }); |
| |
| QUnit.test('should not error on nullish elements', function(assert) { |
| assert.expect(1); |
| |
| var array = ['a', null, undefined, 'd']; |
| |
| try { |
| var actual = _.invokeMap(array, 'toUpperCase'); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, ['A', undefined, undefined, 'D']); |
| }); |
| |
| QUnit.test('should not error on elements with missing properties', function(assert) { |
| assert.expect(1); |
| |
| var objects = lodashStable.map([null, undefined, alwaysOne], function(value) { |
| return { 'a': value }; |
| }); |
| |
| var expected = lodashStable.map(objects, function(object) { |
| return object.a ? object.a() : undefined; |
| }); |
| |
| try { |
| var actual = _.invokeMap(objects, 'a'); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.deepEqual(_.invokeMap([object], path), [1]); |
| }); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = ['a', 'b', 'c'], |
| wrapped = _(array), |
| actual = wrapped.invokeMap('toUpperCase'); |
| |
| assert.ok(actual instanceof _); |
| assert.deepEqual(actual.valueOf(), ['A', 'B', 'C']); |
| |
| actual = wrapped.invokeMap(function(left, right) { |
| return left + this.toUpperCase() + right; |
| }, '(', ')'); |
| |
| assert.ok(actual instanceof _); |
| assert.deepEqual(actual.valueOf(), ['(A)', '(B)', '(C)']); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should support shortcut fusion', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var count = 0, |
| method = function() { count++; return this.index; }; |
| |
| var array = lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return { 'index': index, 'method': method }; |
| }); |
| |
| var actual = _(array).invokeMap('method').take(1).value(); |
| |
| assert.strictEqual(count, 1); |
| assert.deepEqual(actual, [0]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isArguments'); |
| |
| (function() { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3)); |
| |
| QUnit.test('should return `true` for `arguments` objects', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isArguments(args), true); |
| assert.strictEqual(_.isArguments(strictArgs), true); |
| }); |
| |
| QUnit.test('should return `false` for non `arguments` objects', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isArguments(value) : _.isArguments(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isArguments([1, 2, 3]), false); |
| assert.strictEqual(_.isArguments(true), false); |
| assert.strictEqual(_.isArguments(new Date), false); |
| assert.strictEqual(_.isArguments(new Error), false); |
| assert.strictEqual(_.isArguments(_), false); |
| assert.strictEqual(_.isArguments(slice), false); |
| assert.strictEqual(_.isArguments({ '0': 1, 'callee': noop, 'length': 1 }), false); |
| assert.strictEqual(_.isArguments(1), false); |
| assert.strictEqual(_.isArguments(/x/), false); |
| assert.strictEqual(_.isArguments('a'), false); |
| assert.strictEqual(_.isArguments(symbol), false); |
| }); |
| |
| QUnit.test('should work with an `arguments` object from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.arguments) { |
| assert.strictEqual(_.isArguments(realm.arguments), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isArray'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for arrays', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isArray([1, 2, 3]), true); |
| }); |
| |
| QUnit.test('should return `false` for non-arrays', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isArray(value) : _.isArray(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isArray(args), false); |
| assert.strictEqual(_.isArray(true), false); |
| assert.strictEqual(_.isArray(new Date), false); |
| assert.strictEqual(_.isArray(new Error), false); |
| assert.strictEqual(_.isArray(_), false); |
| assert.strictEqual(_.isArray(slice), false); |
| assert.strictEqual(_.isArray({ '0': 1, 'length': 1 }), false); |
| assert.strictEqual(_.isArray(1), false); |
| assert.strictEqual(_.isArray(/x/), false); |
| assert.strictEqual(_.isArray('a'), false); |
| assert.strictEqual(_.isArray(symbol), false); |
| }); |
| |
| QUnit.test('should work with an array from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.array) { |
| assert.strictEqual(_.isArray(realm.array), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isArrayBuffer'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for array buffers', function(assert) { |
| assert.expect(1); |
| |
| if (ArrayBuffer) { |
| assert.strictEqual(_.isArrayBuffer(arrayBuffer), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non array buffers', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isArrayBuffer(value) : _.isArrayBuffer(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isArrayBuffer(args), false); |
| assert.strictEqual(_.isArrayBuffer([1, 2, 3]), false); |
| assert.strictEqual(_.isArrayBuffer(true), false); |
| assert.strictEqual(_.isArrayBuffer(new Date), false); |
| assert.strictEqual(_.isArrayBuffer(new Error), false); |
| assert.strictEqual(_.isArrayBuffer(_), false); |
| assert.strictEqual(_.isArrayBuffer(slice), false); |
| assert.strictEqual(_.isArrayBuffer({ 'a': 1 }), false); |
| assert.strictEqual(_.isArrayBuffer(1), false); |
| assert.strictEqual(_.isArrayBuffer(/x/), false); |
| assert.strictEqual(_.isArrayBuffer('a'), false); |
| assert.strictEqual(_.isArrayBuffer(symbol), false); |
| }); |
| |
| QUnit.test('should work with array buffers from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.arrayBuffer) { |
| assert.strictEqual(_.isArrayBuffer(realm.arrayBuffer), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isArrayLike'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for array-like values', function(assert) { |
| assert.expect(1); |
| |
| var values = [args, [1, 2, 3], { '0': 1, 'length': 1 }, 'a'], |
| expected = lodashStable.map(values, alwaysTrue), |
| actual = lodashStable.map(values, _.isArrayLike); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-arrays', function(assert) { |
| assert.expect(11); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === ''; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isArrayLike(value) : _.isArrayLike(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isArrayLike(true), false); |
| assert.strictEqual(_.isArrayLike(new Date), false); |
| assert.strictEqual(_.isArrayLike(new Error), false); |
| assert.strictEqual(_.isArrayLike(_), false); |
| assert.strictEqual(_.isArrayLike(generator), false); |
| assert.strictEqual(_.isArrayLike(slice), false); |
| assert.strictEqual(_.isArrayLike({ 'a': 1 }), false); |
| assert.strictEqual(_.isArrayLike(1), false); |
| assert.strictEqual(_.isArrayLike(/x/), false); |
| assert.strictEqual(_.isArrayLike(symbol), false); |
| }); |
| |
| QUnit.test('should work with an array from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| var values = [realm.arguments, realm.array, realm.string], |
| expected = lodashStable.map(values, alwaysTrue), |
| actual = lodashStable.map(values, _.isArrayLike); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isBoolean'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for booleans', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.isBoolean(true), true); |
| assert.strictEqual(_.isBoolean(false), true); |
| assert.strictEqual(_.isBoolean(Object(true)), true); |
| assert.strictEqual(_.isBoolean(Object(false)), true); |
| }); |
| |
| QUnit.test('should return `false` for non-booleans', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === false; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isBoolean(value) : _.isBoolean(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isBoolean(args), false); |
| assert.strictEqual(_.isBoolean([1, 2, 3]), false); |
| assert.strictEqual(_.isBoolean(new Date), false); |
| assert.strictEqual(_.isBoolean(new Error), false); |
| assert.strictEqual(_.isBoolean(_), false); |
| assert.strictEqual(_.isBoolean(slice), false); |
| assert.strictEqual(_.isBoolean({ 'a': 1 }), false); |
| assert.strictEqual(_.isBoolean(1), false); |
| assert.strictEqual(_.isBoolean(/x/), false); |
| assert.strictEqual(_.isBoolean('a'), false); |
| assert.strictEqual(_.isBoolean(symbol), false); |
| }); |
| |
| QUnit.test('should work with a boolean from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.boolean) { |
| assert.strictEqual(_.isBoolean(realm.boolean), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isBuffer'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for buffers', function(assert) { |
| assert.expect(1); |
| |
| if (Buffer) { |
| assert.strictEqual(_.isBuffer(new Buffer(2)), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-buffers', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isBuffer(value) : _.isBuffer(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isBuffer(args), false); |
| assert.strictEqual(_.isBuffer([1, 2, 3]), false); |
| assert.strictEqual(_.isBuffer(true), false); |
| assert.strictEqual(_.isBuffer(new Date), false); |
| assert.strictEqual(_.isBuffer(new Error), false); |
| assert.strictEqual(_.isBuffer(_), false); |
| assert.strictEqual(_.isBuffer(slice), false); |
| assert.strictEqual(_.isBuffer({ 'a': 1 }), false); |
| assert.strictEqual(_.isBuffer(1), false); |
| assert.strictEqual(_.isBuffer(/x/), false); |
| assert.strictEqual(_.isBuffer('a'), false); |
| assert.strictEqual(_.isBuffer(symbol), false); |
| }); |
| |
| QUnit.test('should return `false` if `Buffer` is not defined', function(assert) { |
| assert.expect(1); |
| |
| if (!isStrict && Buffer && lodashBizarro) { |
| assert.strictEqual(lodashBizarro.isBuffer(new Buffer(2)), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isDate'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for dates', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isDate(new Date), true); |
| }); |
| |
| QUnit.test('should return `false` for non-dates', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isDate(value) : _.isDate(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isDate(args), false); |
| assert.strictEqual(_.isDate([1, 2, 3]), false); |
| assert.strictEqual(_.isDate(true), false); |
| assert.strictEqual(_.isDate(new Error), false); |
| assert.strictEqual(_.isDate(_), false); |
| assert.strictEqual(_.isDate(slice), false); |
| assert.strictEqual(_.isDate({ 'a': 1 }), false); |
| assert.strictEqual(_.isDate(1), false); |
| assert.strictEqual(_.isDate(/x/), false); |
| assert.strictEqual(_.isDate('a'), false); |
| assert.strictEqual(_.isDate(symbol), false); |
| }); |
| |
| QUnit.test('should work with a date object from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.date) { |
| assert.strictEqual(_.isDate(realm.date), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isElement'); |
| |
| (function() { |
| var args = arguments; |
| |
| function Element() { |
| this.nodeType = 1; |
| } |
| |
| QUnit.test('should return `false` for plain objects', function(assert) { |
| assert.expect(7); |
| |
| var element = body || new Element; |
| |
| assert.strictEqual(_.isElement(element), true); |
| assert.strictEqual(_.isElement({ 'nodeType': 1 }), false); |
| assert.strictEqual(_.isElement({ 'nodeType': Object(1) }), false); |
| assert.strictEqual(_.isElement({ 'nodeType': true }), false); |
| assert.strictEqual(_.isElement({ 'nodeType': [1] }), false); |
| assert.strictEqual(_.isElement({ 'nodeType': '1' }), false); |
| assert.strictEqual(_.isElement({ 'nodeType': '001' }), false); |
| }); |
| |
| QUnit.test('should return `false` for non DOM elements', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isElement(value) : _.isElement(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isElement(args), false); |
| assert.strictEqual(_.isElement([1, 2, 3]), false); |
| assert.strictEqual(_.isElement(true), false); |
| assert.strictEqual(_.isElement(new Date), false); |
| assert.strictEqual(_.isElement(new Error), false); |
| assert.strictEqual(_.isElement(_), false); |
| assert.strictEqual(_.isElement(slice), false); |
| assert.strictEqual(_.isElement({ 'a': 1 }), false); |
| assert.strictEqual(_.isElement(1), false); |
| assert.strictEqual(_.isElement(/x/), false); |
| assert.strictEqual(_.isElement('a'), false); |
| assert.strictEqual(_.isElement(symbol), false); |
| }); |
| |
| QUnit.test('should work with a DOM element from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.element) { |
| assert.strictEqual(_.isElement(realm.element), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isEmpty'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for empty values', function(assert) { |
| assert.expect(10); |
| |
| var expected = lodashStable.map(empties, alwaysTrue), |
| actual = lodashStable.map(empties, _.isEmpty); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isEmpty(true), true); |
| assert.strictEqual(_.isEmpty(slice), true); |
| assert.strictEqual(_.isEmpty(1), true); |
| assert.strictEqual(_.isEmpty(NaN), true); |
| assert.strictEqual(_.isEmpty(/x/), true); |
| assert.strictEqual(_.isEmpty(symbol), true); |
| assert.strictEqual(_.isEmpty(), true); |
| |
| if (Buffer) { |
| assert.strictEqual(_.isEmpty(new Buffer(0)), true); |
| assert.strictEqual(_.isEmpty(new Buffer(1)), false); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-empty values', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.isEmpty([0]), false); |
| assert.strictEqual(_.isEmpty({ 'a': 0 }), false); |
| assert.strictEqual(_.isEmpty('a'), false); |
| }); |
| |
| QUnit.test('should work with an object that has a `length` property', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isEmpty({ 'length': 0 }), false); |
| }); |
| |
| QUnit.test('should work with `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isEmpty(args), false); |
| }); |
| |
| QUnit.test('should work with jQuery/MooTools DOM query collections', function(assert) { |
| assert.expect(1); |
| |
| function Foo(elements) { |
| push.apply(this, elements); |
| } |
| Foo.prototype = { 'length': 0, 'splice': arrayProto.splice }; |
| |
| assert.strictEqual(_.isEmpty(new Foo([])), true); |
| }); |
| |
| QUnit.test('should work with maps', function(assert) { |
| assert.expect(4); |
| |
| if (Map) { |
| lodashStable.each([new Map, realm.map], function(map) { |
| assert.strictEqual(_.isEmpty(map), true); |
| map.set('a', 1); |
| assert.strictEqual(_.isEmpty(map), false); |
| map.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should work with sets', function(assert) { |
| assert.expect(4); |
| |
| if (Set) { |
| lodashStable.each([new Set, realm.set], function(set) { |
| assert.strictEqual(_.isEmpty(set), true); |
| set.add(1); |
| assert.strictEqual(_.isEmpty(set), false); |
| set.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should not treat objects with negative lengths as array-like', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype.length = -1; |
| |
| assert.strictEqual(_.isEmpty(new Foo), true); |
| }); |
| |
| QUnit.test('should not treat objects with lengths larger than `MAX_SAFE_INTEGER` as array-like', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype.length = MAX_SAFE_INTEGER + 1; |
| |
| assert.strictEqual(_.isEmpty(new Foo), true); |
| }); |
| |
| QUnit.test('should not treat objects with non-number lengths as array-like', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isEmpty({ 'length': '0' }), false); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_({}).isEmpty(), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_({}).chain().isEmpty() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isEqual'); |
| |
| (function() { |
| var symbol1 = Symbol ? Symbol('a') : true, |
| symbol2 = Symbol ? Symbol('b') : false; |
| |
| QUnit.test('should compare primitives', function(assert) { |
| assert.expect(1); |
| |
| var pairs = [ |
| [1, 1, true], [1, Object(1), true], [1, '1', false], [1, 2, false], |
| [-0, -0, true], [0, 0, true], [0, Object(0), true], [Object(0), Object(0), true], [-0, 0, true], [0, '0', false], [0, null, false], |
| [NaN, NaN, true], [NaN, Object(NaN), true], [Object(NaN), Object(NaN), true], [NaN, 'a', false], [NaN, Infinity, false], |
| ['a', 'a', true], ['a', Object('a'), true], [Object('a'), Object('a'), true], ['a', 'b', false], ['a', ['a'], false], |
| [true, true, true], [true, Object(true), true], [Object(true), Object(true), true], [true, 1, false], [true, 'a', false], |
| [false, false, true], [false, Object(false), true], [Object(false), Object(false), true], [false, 0, false], [false, '', false], |
| [symbol1, symbol1, true], [symbol1, Object(symbol1), true], [Object(symbol1), Object(symbol1), true], [symbol1, symbol2, false], |
| [null, null, true], [null, undefined, false], [null, {}, false], [null, '', false], |
| [undefined, undefined, true], [undefined, null, false], [undefined, '', false] |
| ]; |
| |
| var expected = lodashStable.map(pairs, function(pair) { |
| return pair[2]; |
| }); |
| |
| var actual = lodashStable.map(pairs, function(pair) { |
| return _.isEqual(pair[0], pair[1]); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should compare arrays', function(assert) { |
| assert.expect(6); |
| |
| var array1 = [true, null, 1, 'a', undefined], |
| array2 = [true, null, 1, 'a', undefined]; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = [[1, 2, 3], new Date(2012, 4, 23), /x/, { 'e': 1 }]; |
| array2 = [[1, 2, 3], new Date(2012, 4, 23), /x/, { 'e': 1 }]; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = [1]; |
| array1[2] = 3; |
| |
| array2 = [1]; |
| array2[1] = undefined; |
| array2[2] = 3; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = [Object(1), false, Object('a'), /x/, new Date(2012, 4, 23), ['a', 'b', [Object('c')]], { 'a': 1 }]; |
| array2 = [1, Object(false), 'a', /x/, new Date(2012, 4, 23), ['a', Object('b'), ['c']], { 'a': 1 }]; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = [1, 2, 3]; |
| array2 = [3, 2, 1]; |
| |
| assert.strictEqual(_.isEqual(array1, array2), false); |
| |
| array1 = [1, 2]; |
| array2 = [1, 2, 3]; |
| |
| assert.strictEqual(_.isEqual(array1, array2), false); |
| }); |
| |
| QUnit.test('should treat arrays with identical values but different non-index properties as equal', function(assert) { |
| assert.expect(3); |
| |
| var array1 = [1, 2, 3], |
| array2 = [1, 2, 3]; |
| |
| array1.every = array1.filter = array1.forEach = |
| array1.indexOf = array1.lastIndexOf = array1.map = |
| array1.some = array1.reduce = array1.reduceRight = null; |
| |
| array2.concat = array2.join = array2.pop = |
| array2.reverse = array2.shift = array2.slice = |
| array2.sort = array2.splice = array2.unshift = null; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = [1, 2, 3]; |
| array1.a = 1; |
| |
| array2 = [1, 2, 3]; |
| array2.b = 1; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1 = /c/.exec('abcde'); |
| array2 = ['c']; |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| }); |
| |
| QUnit.test('should compare sparse arrays', function(assert) { |
| assert.expect(3); |
| |
| var array = Array(1); |
| |
| assert.strictEqual(_.isEqual(array, Array(1)), true); |
| assert.strictEqual(_.isEqual(array, [undefined]), true); |
| assert.strictEqual(_.isEqual(array, Array(2)), false); |
| }); |
| |
| QUnit.test('should compare plain objects', function(assert) { |
| assert.expect(5); |
| |
| var object1 = { 'a': true, 'b': null, 'c': 1, 'd': 'a', 'e': undefined }, |
| object2 = { 'a': true, 'b': null, 'c': 1, 'd': 'a', 'e': undefined }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| |
| object1 = { 'a': [1, 2, 3], 'b': new Date(2012, 4, 23), 'c': /x/, 'd': { 'e': 1 } }; |
| object2 = { 'a': [1, 2, 3], 'b': new Date(2012, 4, 23), 'c': /x/, 'd': { 'e': 1 } }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| |
| object1 = { 'a': 1, 'b': 2, 'c': 3 }; |
| object2 = { 'a': 3, 'b': 2, 'c': 1 }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| |
| object1 = { 'a': 1, 'b': 2, 'c': 3 }; |
| object2 = { 'd': 1, 'e': 2, 'f': 3 }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| |
| object1 = { 'a': 1, 'b': 2 }; |
| object2 = { 'a': 1, 'b': 2, 'c': 3 }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| }); |
| |
| QUnit.test('should compare objects regardless of key order', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { 'a': 1, 'b': 2, 'c': 3 }, |
| object2 = { 'c': 3, 'a': 1, 'b': 2 }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| }); |
| |
| QUnit.test('should compare nested objects', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { |
| 'a': [1, 2, 3], |
| 'b': true, |
| 'c': Object(1), |
| 'd': 'a', |
| 'e': { |
| 'f': ['a', Object('b'), 'c'], |
| 'g': Object(false), |
| 'h': new Date(2012, 4, 23), |
| 'i': noop, |
| 'j': 'a' |
| } |
| }; |
| |
| var object2 = { |
| 'a': [1, Object(2), 3], |
| 'b': Object(true), |
| 'c': 1, |
| 'd': Object('a'), |
| 'e': { |
| 'f': ['a', 'b', 'c'], |
| 'g': false, |
| 'h': new Date(2012, 4, 23), |
| 'i': noop, |
| 'j': 'a' |
| } |
| }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| }); |
| |
| QUnit.test('should compare object instances', function(assert) { |
| assert.expect(4); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.a = 1; |
| |
| function Bar() { |
| this.a = 1; |
| } |
| Bar.prototype.a = 2; |
| |
| assert.strictEqual(_.isEqual(new Foo, new Foo), true); |
| assert.strictEqual(_.isEqual(new Foo, new Bar), false); |
| assert.strictEqual(_.isEqual({ 'a': 1 }, new Foo), false); |
| assert.strictEqual(_.isEqual({ 'a': 2 }, new Bar), false); |
| }); |
| |
| QUnit.test('should compare objects with constructor properties', function(assert) { |
| assert.expect(5); |
| |
| assert.strictEqual(_.isEqual({ 'constructor': 1 }, { 'constructor': 1 }), true); |
| assert.strictEqual(_.isEqual({ 'constructor': 1 }, { 'constructor': '1' }), false); |
| assert.strictEqual(_.isEqual({ 'constructor': [1] }, { 'constructor': [1] }), true); |
| assert.strictEqual(_.isEqual({ 'constructor': [1] }, { 'constructor': ['1'] }), false); |
| assert.strictEqual(_.isEqual({ 'constructor': Object }, {}), false); |
| }); |
| |
| QUnit.test('should compare arrays with circular references', function(assert) { |
| assert.expect(4); |
| |
| var array1 = [], |
| array2 = []; |
| |
| array1.push(array1); |
| array2.push(array2); |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1.push('b'); |
| array2.push('b'); |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1.push('c'); |
| array2.push('d'); |
| |
| assert.strictEqual(_.isEqual(array1, array2), false); |
| |
| array1 = ['a', 'b', 'c']; |
| array1[1] = array1; |
| array2 = ['a', ['a', 'b', 'c'], 'c']; |
| |
| assert.strictEqual(_.isEqual(array1, array2), false); |
| }); |
| |
| QUnit.test('should compare objects with circular references', function(assert) { |
| assert.expect(4); |
| |
| var object1 = {}, |
| object2 = {}; |
| |
| object1.a = object1; |
| object2.a = object2; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| |
| object1.b = 0; |
| object2.b = Object(0); |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| |
| object1.c = Object(1); |
| object2.c = Object(2); |
| |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| |
| object1 = { 'a': 1, 'b': 2, 'c': 3 }; |
| object1.b = object1; |
| object2 = { 'a': 1, 'b': { 'a': 1, 'b': 2, 'c': 3 }, 'c': 3 }; |
| |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| }); |
| |
| QUnit.test('should compare objects with multiple circular references', function(assert) { |
| assert.expect(3); |
| |
| var array1 = [{}], |
| array2 = [{}]; |
| |
| (array1[0].a = array1).push(array1); |
| (array2[0].a = array2).push(array2); |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1[0].b = 0; |
| array2[0].b = Object(0); |
| |
| assert.strictEqual(_.isEqual(array1, array2), true); |
| |
| array1[0].c = Object(1); |
| array2[0].c = Object(2); |
| |
| assert.strictEqual(_.isEqual(array1, array2), false); |
| }); |
| |
| QUnit.test('should compare objects with complex circular references', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': { 'a': 2 } |
| }; |
| |
| var object2 = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': { 'a': 2 } |
| }; |
| |
| object1.foo.b.c.d = object1; |
| object1.bar.b = object1.foo.b; |
| |
| object2.foo.b.c.d = object2; |
| object2.bar.b = object2.foo.b; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| }); |
| |
| QUnit.test('should compare objects with shared property values', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { |
| 'a': [1, 2] |
| }; |
| |
| var object2 = { |
| 'a': [1, 2], |
| 'b': [1, 2] |
| }; |
| |
| object1.b = object1.a; |
| |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| }); |
| |
| QUnit.test('should treat objects created by `Object.create(null)` like a plain object', function(assert) { |
| assert.expect(2); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.constructor = null; |
| |
| var object2 = { 'a': 1 }; |
| assert.strictEqual(_.isEqual(new Foo, object2), false); |
| |
| if (create) { |
| var object1 = create(null); |
| object1.a = 1; |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for objects with custom `toString` methods', function(assert) { |
| assert.expect(1); |
| |
| var primitive, |
| object = { 'toString': function() { return primitive; } }, |
| values = [true, null, 1, 'a', undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| primitive = value; |
| return _.isEqual(object, value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should avoid common type coercions', function(assert) { |
| assert.expect(9); |
| |
| assert.strictEqual(_.isEqual(true, Object(false)), false); |
| assert.strictEqual(_.isEqual(Object(false), Object(0)), false); |
| assert.strictEqual(_.isEqual(false, Object('')), false); |
| assert.strictEqual(_.isEqual(Object(36), Object('36')), false); |
| assert.strictEqual(_.isEqual(0, ''), false); |
| assert.strictEqual(_.isEqual(1, true), false); |
| assert.strictEqual(_.isEqual(1337756400000, new Date(2012, 4, 23)), false); |
| assert.strictEqual(_.isEqual('36', 36), false); |
| assert.strictEqual(_.isEqual(36, '36'), false); |
| }); |
| |
| QUnit.test('should compare `arguments` objects', function(assert) { |
| assert.expect(2); |
| |
| var args1 = (function() { return arguments; }(1, 2, 3)), |
| args2 = (function() { return arguments; }(1, 2, 3)), |
| args3 = (function() { return arguments; }(1, 2)); |
| |
| assert.strictEqual(_.isEqual(args1, args2), true); |
| assert.strictEqual(_.isEqual(args1, args3), false); |
| }); |
| |
| QUnit.test('should treat `arguments` objects like `Object` objects', function(assert) { |
| assert.expect(4); |
| |
| var args = (function() { return arguments; }(1, 2, 3)), |
| object = { '0': 1, '1': 2, '2': 3 }; |
| |
| function Foo() {} |
| Foo.prototype = object; |
| |
| assert.strictEqual(_.isEqual(args, object), true); |
| assert.strictEqual(_.isEqual(object, args), true); |
| |
| assert.strictEqual(_.isEqual(args, new Foo), false); |
| assert.strictEqual(_.isEqual(new Foo, args), false); |
| }); |
| |
| QUnit.test('should compare array buffers', function(assert) { |
| assert.expect(2); |
| |
| if (ArrayBuffer) { |
| var buffer1 = new ArrayBuffer(4), |
| buffer2 = new ArrayBuffer(8); |
| |
| assert.strictEqual(_.isEqual(buffer1, buffer2), false); |
| |
| buffer1 = new Int8Array([-1]).buffer; |
| buffer2 = new Uint8Array([255]).buffer; |
| |
| assert.strictEqual(_.isEqual(buffer1, buffer2), true); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should compare array views', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.times(2, function(index) { |
| var ns = index ? realm : root; |
| |
| var pairs = lodashStable.map(arrayViews, function(type, viewIndex) { |
| var otherType = arrayViews[(viewIndex + 1) % arrayViews.length], |
| CtorA = ns[type] || function(n) { this.n = n; }, |
| CtorB = ns[otherType] || function(n) { this.n = n; }, |
| bufferA = ns[type] ? new ns.ArrayBuffer(8) : 8, |
| bufferB = ns[otherType] ? new ns.ArrayBuffer(8) : 8, |
| bufferC = ns[otherType] ? new ns.ArrayBuffer(16) : 16; |
| |
| return [new CtorA(bufferA), new CtorA(bufferA), new CtorB(bufferB), new CtorB(bufferC)]; |
| }); |
| |
| var expected = lodashStable.map(pairs, lodashStable.constant([true, false, false])); |
| |
| var actual = lodashStable.map(pairs, function(pair) { |
| return [_.isEqual(pair[0], pair[1]), _.isEqual(pair[0], pair[2]), _.isEqual(pair[2], pair[3])]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should compare date objects', function(assert) { |
| assert.expect(4); |
| |
| var date = new Date(2012, 4, 23); |
| |
| assert.strictEqual(_.isEqual(date, new Date(2012, 4, 23)), true); |
| assert.strictEqual(_.isEqual(date, new Date(2013, 3, 25)), false); |
| assert.strictEqual(_.isEqual(date, { 'getTime': lodashStable.constant(+date) }), false); |
| assert.strictEqual(_.isEqual(new Date('a'), new Date('a')), false); |
| }); |
| |
| QUnit.test('should compare error objects', function(assert) { |
| assert.expect(1); |
| |
| var pairs = lodashStable.map([ |
| 'Error', |
| 'EvalError', |
| 'RangeError', |
| 'ReferenceError', |
| 'SyntaxError', |
| 'TypeError', |
| 'URIError' |
| ], function(type, index, errorTypes) { |
| var otherType = errorTypes[++index % errorTypes.length], |
| CtorA = root[type], |
| CtorB = root[otherType]; |
| |
| return [new CtorA('a'), new CtorA('a'), new CtorB('a'), new CtorB('b')]; |
| }); |
| |
| var expected = lodashStable.map(pairs, lodashStable.constant([true, false, false])); |
| |
| var actual = lodashStable.map(pairs, function(pair) { |
| return [_.isEqual(pair[0], pair[1]), _.isEqual(pair[0], pair[2]), _.isEqual(pair[2], pair[3])]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should compare functions', function(assert) { |
| assert.expect(2); |
| |
| function a() { return 1 + 2; } |
| function b() { return 1 + 2; } |
| |
| assert.strictEqual(_.isEqual(a, a), true); |
| assert.strictEqual(_.isEqual(a, b), false); |
| }); |
| |
| QUnit.test('should compare maps', function(assert) { |
| assert.expect(8); |
| |
| if (Map) { |
| lodashStable.each([[map, new Map], [map, realm.map]], function(maps) { |
| var map1 = maps[0], |
| map2 = maps[1]; |
| |
| map1.set('a', 1); |
| map2.set('b', 2); |
| assert.strictEqual(_.isEqual(map1, map2), false); |
| |
| map1.set('b', 2); |
| map2.set('a', 1); |
| assert.strictEqual(_.isEqual(map1, map2), true); |
| |
| map1['delete']('a'); |
| map1.set('a', 1); |
| assert.strictEqual(_.isEqual(map1, map2), true); |
| |
| map2['delete']('a'); |
| assert.strictEqual(_.isEqual(map1, map2), false); |
| |
| map1.clear(); |
| map2.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 8); |
| } |
| }); |
| |
| QUnit.test('should compare maps with circular references', function(assert) { |
| assert.expect(2); |
| |
| if (Map) { |
| var map1 = new Map, |
| map2 = new Map; |
| |
| map1.set('a', map1); |
| map2.set('a', map2); |
| assert.strictEqual(_.isEqual(map1, map2), true); |
| |
| map1.set('b', 1); |
| map2.set('b', 2); |
| assert.strictEqual(_.isEqual(map1, map2), false); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should compare promises by reference', function(assert) { |
| assert.expect(4); |
| |
| if (promise) { |
| lodashStable.each([[promise, Promise.resolve(1)], [promise, realm.promise]], function(promises) { |
| var promise1 = promises[0], |
| promise2 = promises[1]; |
| |
| assert.strictEqual(_.isEqual(promise1, promise2), false); |
| assert.strictEqual(_.isEqual(promise1, promise1), true); |
| }); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should compare regexes', function(assert) { |
| assert.expect(5); |
| |
| assert.strictEqual(_.isEqual(/x/gim, /x/gim), true); |
| assert.strictEqual(_.isEqual(/x/gim, /x/mgi), true); |
| assert.strictEqual(_.isEqual(/x/gi, /x/g), false); |
| assert.strictEqual(_.isEqual(/x/, /y/), false); |
| assert.strictEqual(_.isEqual(/x/g, { 'global': true, 'ignoreCase': false, 'multiline': false, 'source': 'x' }), false); |
| }); |
| |
| QUnit.test('should compare sets', function(assert) { |
| assert.expect(8); |
| |
| if (Set) { |
| lodashStable.each([[set, new Set], [set, realm.set]], function(sets) { |
| var set1 = sets[0], |
| set2 = sets[1]; |
| |
| set1.add(1); |
| set2.add(2); |
| assert.strictEqual(_.isEqual(set1, set2), false); |
| |
| set1.add(2); |
| set2.add(1); |
| assert.strictEqual(_.isEqual(set1, set2), true); |
| |
| set1['delete'](1); |
| set1.add(1); |
| assert.strictEqual(_.isEqual(set1, set2), true); |
| |
| set2['delete'](1); |
| assert.strictEqual(_.isEqual(set1, set2), false); |
| |
| set1.clear(); |
| set2.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 8); |
| } |
| }); |
| |
| QUnit.test('should compare sets with circular references', function(assert) { |
| assert.expect(2); |
| |
| if (Set) { |
| var set1 = new Set, |
| set2 = new Set; |
| |
| set1.add(set1); |
| set2.add(set2); |
| assert.strictEqual(_.isEqual(set1, set2), true); |
| |
| set1.add(1); |
| set2.add(2); |
| assert.strictEqual(_.isEqual(set1, set2), false); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should work as an iteratee for `_.every`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.every([1, 1, 1], lodashStable.partial(_.isEqual, 1)); |
| assert.ok(actual); |
| }); |
| |
| QUnit.test('should return `true` for like-objects from different documents', function(assert) { |
| assert.expect(4); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isEqual([1], realm.array), true); |
| assert.strictEqual(_.isEqual([2], realm.array), false); |
| assert.strictEqual(_.isEqual({ 'a': 1 }, realm.object), true); |
| assert.strictEqual(_.isEqual({ 'a': 2 }, realm.object), false); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should not error on DOM elements', function(assert) { |
| assert.expect(1); |
| |
| if (document) { |
| var element1 = document.createElement('div'), |
| element2 = element1.cloneNode(true); |
| |
| try { |
| assert.strictEqual(_.isEqual(element1, element2), false); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should compare wrapped values', function(assert) { |
| assert.expect(32); |
| |
| var stamp = +new Date; |
| |
| var values = [ |
| [[1, 2], [1, 2], [1, 2, 3]], |
| [true, true, false], |
| [new Date(stamp), new Date(stamp), new Date(stamp - 100)], |
| [{ 'a': 1, 'b': 2 }, { 'a': 1, 'b': 2 }, { 'a': 1, 'b': 1 }], |
| [1, 1, 2], |
| [NaN, NaN, Infinity], |
| [/x/, /x/, /x/i], |
| ['a', 'a', 'A'] |
| ]; |
| |
| lodashStable.each(values, function(vals) { |
| if (!isNpm) { |
| var wrapped1 = _(vals[0]), |
| wrapped2 = _(vals[1]), |
| actual = wrapped1.isEqual(wrapped2); |
| |
| assert.strictEqual(actual, true); |
| assert.strictEqual(_.isEqual(_(actual), _(true)), true); |
| |
| wrapped1 = _(vals[0]); |
| wrapped2 = _(vals[2]); |
| |
| actual = wrapped1.isEqual(wrapped2); |
| assert.strictEqual(actual, false); |
| assert.strictEqual(_.isEqual(_(actual), _(false)), true); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| }); |
| |
| QUnit.test('should compare wrapped and non-wrapped values', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var object1 = _({ 'a': 1, 'b': 2 }), |
| object2 = { 'a': 1, 'b': 2 }; |
| |
| assert.strictEqual(object1.isEqual(object2), true); |
| assert.strictEqual(_.isEqual(object1, object2), true); |
| |
| object1 = _({ 'a': 1, 'b': 2 }); |
| object2 = { 'a': 1, 'b': 1 }; |
| |
| assert.strictEqual(object1.isEqual(object2), false); |
| assert.strictEqual(_.isEqual(object1, object2), false); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_('a').isEqual('a'), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_('a').chain().isEqual('a') instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isEqualWith'); |
| |
| (function() { |
| QUnit.test('should provide the correct `customizer` arguments', function(assert) { |
| assert.expect(1); |
| |
| var argsList = [], |
| object1 = { 'a': [1, 2], 'b': null }, |
| object2 = { 'a': [1, 2], 'b': null }; |
| |
| object1.b = object2; |
| object2.b = object1; |
| |
| var expected = [ |
| [object1, object2], |
| [object1.a, object2.a, 'a', object1, object2], |
| [object1.a[0], object2.a[0], 0, object1.a, object2.a], |
| [object1.a[1], object2.a[1], 1, object1.a, object2.a], |
| [object1.b, object2.b, 'b', object1.b, object2.b], |
| [object1.b.a, object2.b.a, 'a', object1.b, object2.b], |
| [object1.b.a[0], object2.b.a[0], 0, object1.b.a, object2.b.a], |
| [object1.b.a[1], object2.b.a[1], 1, object1.b.a, object2.b.a], |
| [object1.b.b, object2.b.b, 'b', object1.b.b, object2.b.b] |
| ]; |
| |
| _.isEqualWith(object1, object2, function(assert) { |
| var length = arguments.length, |
| args = slice.call(arguments, 0, length - (length > 2 ? 1 : 0)); |
| |
| argsList.push(args); |
| }); |
| |
| assert.deepEqual(argsList, expected); |
| }); |
| |
| QUnit.test('should handle comparisons if `customizer` returns `undefined`', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.isEqualWith('a', 'a', noop), true); |
| assert.strictEqual(_.isEqualWith(['a'], ['a'], noop), true); |
| assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'a' }, noop), true); |
| }); |
| |
| QUnit.test('should not handle comparisons if `customizer` returns `true`', function(assert) { |
| assert.expect(3); |
| |
| var customizer = function(value) { |
| return _.isString(value) || undefined; |
| }; |
| |
| assert.strictEqual(_.isEqualWith('a', 'b', customizer), true); |
| assert.strictEqual(_.isEqualWith(['a'], ['b'], customizer), true); |
| assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'b' }, customizer), true); |
| }); |
| |
| QUnit.test('should not handle comparisons if `customizer` returns `false`', function(assert) { |
| assert.expect(3); |
| |
| var customizer = function(value) { |
| return _.isString(value) ? false : undefined; |
| }; |
| |
| assert.strictEqual(_.isEqualWith('a', 'a', customizer), false); |
| assert.strictEqual(_.isEqualWith(['a'], ['a'], customizer), false); |
| assert.strictEqual(_.isEqualWith({ '0': 'a' }, { '0': 'a' }, customizer), false); |
| }); |
| |
| QUnit.test('should return a boolean value even if `customizer` does not', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.isEqualWith('a', 'b', alwaysC); |
| assert.strictEqual(actual, true); |
| |
| var values = _.without(falsey, undefined), |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| actual = []; |
| lodashStable.each(values, function(value) { |
| actual.push(_.isEqualWith('a', 'a', lodashStable.constant(value))); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ensure `customizer` is a function', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3], |
| eq = _.partial(_.isEqualWith, array), |
| actual = lodashStable.map([array, [1, 0, 3]], eq); |
| |
| assert.deepEqual(actual, [true, false]); |
| }); |
| |
| QUnit.test('should call `customizer` for values maps and sets', function(assert) { |
| assert.expect(2); |
| |
| var value = { 'a': { 'b': 2 } }; |
| |
| if (Map) { |
| var map1 = new Map; |
| map1.set('a', value); |
| |
| var map2 = new Map; |
| map2.set('a', value); |
| } |
| if (Set) { |
| var set1 = new Set; |
| set1.add(value); |
| |
| var set2 = new Set; |
| set2.add(value); |
| } |
| lodashStable.each([[map1, map2], [set1, set2]], function(pair, index) { |
| if (pair[0]) { |
| var argsList = [], |
| array = _.toArray(pair[0]); |
| |
| var expected = [ |
| [pair[0], pair[1]], |
| [array[0], array[0], 0, array, array], |
| [array[0][0], array[0][0], 0, array[0], array[0]], |
| [array[0][1], array[0][1], 1, array[0], array[0]] |
| ]; |
| |
| if (index) { |
| expected.length = 2; |
| } |
| _.isEqualWith(pair[0], pair[1], function() { |
| var length = arguments.length, |
| args = slice.call(arguments, 0, length - (length > 2 ? 1 : 0)); |
| |
| argsList.push(args); |
| }); |
| |
| assert.deepEqual(argsList, expected, index ? 'Set' : 'Map'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isError'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for error objects', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(errors, alwaysTrue); |
| |
| var actual = lodashStable.map(errors, function(error) { |
| return _.isError(error) === true; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` for subclassed values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isError(new CustomError('x')), true); |
| }); |
| |
| QUnit.test('should return `false` for non error objects', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isError(value) : _.isError(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isError(args), false); |
| assert.strictEqual(_.isError([1, 2, 3]), false); |
| assert.strictEqual(_.isError(true), false); |
| assert.strictEqual(_.isError(new Date), false); |
| assert.strictEqual(_.isError(_), false); |
| assert.strictEqual(_.isError(slice), false); |
| assert.strictEqual(_.isError({ 'a': 1 }), false); |
| assert.strictEqual(_.isError(1), false); |
| assert.strictEqual(_.isError(/x/), false); |
| assert.strictEqual(_.isError('a'), false); |
| assert.strictEqual(_.isError(symbol), false); |
| }); |
| |
| QUnit.test('should work with an error object from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.errors) { |
| var expected = lodashStable.map(realm.errors, alwaysTrue); |
| |
| var actual = lodashStable.map(realm.errors, function(error) { |
| return _.isError(error) === true; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isFinite'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for finite values', function(assert) { |
| assert.expect(1); |
| |
| var values = [0, 1, 3.14, -1], |
| expected = lodashStable.map(values, alwaysTrue), |
| actual = lodashStable.map(values, _.isFinite); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-finite values', function(assert) { |
| assert.expect(1); |
| |
| var values = [NaN, Infinity, -Infinity, Object(1)], |
| expected = lodashStable.map(values, alwaysFalse), |
| actual = lodashStable.map(values, _.isFinite); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-numeric values', function(assert) { |
| assert.expect(10); |
| |
| var values = [undefined, [], true, '', ' ', '2px'], |
| expected = lodashStable.map(values, alwaysFalse), |
| actual = lodashStable.map(values, _.isFinite); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isFinite(args), false); |
| assert.strictEqual(_.isFinite([1, 2, 3]), false); |
| assert.strictEqual(_.isFinite(true), false); |
| assert.strictEqual(_.isFinite(new Date), false); |
| assert.strictEqual(_.isFinite(new Error), false); |
| assert.strictEqual(_.isFinite({ 'a': 1 }), false); |
| assert.strictEqual(_.isFinite(/x/), false); |
| assert.strictEqual(_.isFinite('a'), false); |
| assert.strictEqual(_.isFinite(symbol), false); |
| }); |
| |
| QUnit.test('should return `false` for numeric string values', function(assert) { |
| assert.expect(1); |
| |
| var values = ['2', '0', '08'], |
| expected = lodashStable.map(values, alwaysFalse), |
| actual = lodashStable.map(values, _.isFinite); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isFunction'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for functions', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isFunction(_), true); |
| assert.strictEqual(_.isFunction(slice), true); |
| }); |
| |
| QUnit.test('should return `true` for generator functions', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isFunction(generator), typeof generator == 'function'); |
| }); |
| |
| QUnit.test('should return `true` for array view constructors', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(arrayViews, function(type) { |
| return objToString.call(root[type]) == funcTag; |
| }); |
| |
| var actual = lodashStable.map(arrayViews, function(type) { |
| return _.isFunction(root[type]); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-functions', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isFunction(value) : _.isFunction(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isFunction(args), false); |
| assert.strictEqual(_.isFunction([1, 2, 3]), false); |
| assert.strictEqual(_.isFunction(true), false); |
| assert.strictEqual(_.isFunction(new Date), false); |
| assert.strictEqual(_.isFunction(new Error), false); |
| assert.strictEqual(_.isFunction({ 'a': 1 }), false); |
| assert.strictEqual(_.isFunction(1), false); |
| assert.strictEqual(_.isFunction(/x/), false); |
| assert.strictEqual(_.isFunction('a'), false); |
| assert.strictEqual(_.isFunction(symbol), false); |
| |
| if (document) { |
| assert.strictEqual(_.isFunction(document.getElementsByTagName('body')), false); |
| } else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work with host objects in IE 8 document mode (test in IE 11)', function(assert) { |
| assert.expect(2); |
| |
| // Trigger a Chakra JIT bug. |
| // See https://github.com/jashkenas/underscore/issues/1621. |
| lodashStable.each([body, xml], function(object) { |
| if (object) { |
| lodashStable.times(100, _.isFunction); |
| assert.strictEqual(_.isFunction(object), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| QUnit.test('should work with a function from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.function) { |
| assert.strictEqual(_.isFunction(realm.function), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('isInteger methods'); |
| |
| lodashStable.each(['isInteger', 'isSafeInteger'], function(methodName) { |
| var args = arguments, |
| func = _[methodName], |
| isSafe = methodName == 'isSafeInteger'; |
| |
| QUnit.test('`_.' + methodName + '` should return `true` for integer values', function(assert) { |
| assert.expect(2); |
| |
| var values = [-1, 0, 1], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| assert.strictEqual(func(MAX_INTEGER), !isSafe); |
| }); |
| |
| QUnit.test('should return `false` for non-integer number values', function(assert) { |
| assert.expect(1); |
| |
| var values = [NaN, Infinity, -Infinity, Object(1), 3.14], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-numeric values', function(assert) { |
| assert.expect(10); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === 0; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? func(value) : func(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(func(args), false); |
| assert.strictEqual(func([1, 2, 3]), false); |
| assert.strictEqual(func(true), false); |
| assert.strictEqual(func(new Date), false); |
| assert.strictEqual(func(new Error), false); |
| assert.strictEqual(func({ 'a': 1 }), false); |
| assert.strictEqual(func(/x/), false); |
| assert.strictEqual(func('a'), false); |
| assert.strictEqual(func(symbol), false); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isLength'); |
| |
| (function() { |
| QUnit.test('should return `true` for lengths', function(assert) { |
| assert.expect(1); |
| |
| var values = [0, 3, MAX_SAFE_INTEGER], |
| expected = lodashStable.map(values, alwaysTrue), |
| actual = lodashStable.map(values, _.isLength); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-lengths', function(assert) { |
| assert.expect(1); |
| |
| var values = [-1, '1', 1.1, MAX_SAFE_INTEGER + 1], |
| expected = lodashStable.map(values, alwaysFalse), |
| actual = lodashStable.map(values, _.isLength); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isMap'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for maps', function(assert) { |
| assert.expect(1); |
| |
| if (Map) { |
| assert.strictEqual(_.isMap(map), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-maps', function(assert) { |
| assert.expect(14); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isMap(value) : _.isMap(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isMap(args), false); |
| assert.strictEqual(_.isMap([1, 2, 3]), false); |
| assert.strictEqual(_.isMap(true), false); |
| assert.strictEqual(_.isMap(new Date), false); |
| assert.strictEqual(_.isMap(new Error), false); |
| assert.strictEqual(_.isMap(_), false); |
| assert.strictEqual(_.isMap(slice), false); |
| assert.strictEqual(_.isMap({ 'a': 1 }), false); |
| assert.strictEqual(_.isMap(1), false); |
| assert.strictEqual(_.isMap(/x/), false); |
| assert.strictEqual(_.isMap('a'), false); |
| assert.strictEqual(_.isMap(symbol), false); |
| assert.strictEqual(_.isMap(weakMap), false); |
| }); |
| |
| QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) { |
| assert.expect(1); |
| |
| var values = [false, true], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.isMap({ 'constructor': value }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with maps from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.map) { |
| assert.strictEqual(_.isMap(realm.map), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isMatch'); |
| |
| (function() { |
| QUnit.test('should perform a deep comparison between `object` and `source`', function(assert) { |
| assert.expect(5); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }; |
| assert.strictEqual(_.isMatch(object, { 'a': 1 }), true); |
| assert.strictEqual(_.isMatch(object, { 'b': 1 }), false); |
| assert.strictEqual(_.isMatch(object, { 'a': 1, 'c': 3 }), true); |
| assert.strictEqual(_.isMatch(object, { 'c': 3, 'd': 4 }), false); |
| |
| object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 }; |
| assert.strictEqual(_.isMatch(object, { 'a': { 'b': { 'c': 1 } } }), true); |
| }); |
| |
| QUnit.test('should match inherited string keyed `object` properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| assert.strictEqual(_.isMatch({ 'a': new Foo }, { 'a': { 'b': 2 } }), true); |
| }); |
| |
| QUnit.test('should not match by inherited `source` properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': 2 }], |
| source = new Foo, |
| expected = lodashStable.map(objects, alwaysTrue); |
| |
| var actual = lodashStable.map(objects, function(object) { |
| return _.isMatch(object, source); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should compare a variety of `source` property values', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } }, |
| object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } }; |
| |
| assert.strictEqual(_.isMatch(object1, object1), true); |
| assert.strictEqual(_.isMatch(object1, object2), false); |
| }); |
| |
| QUnit.test('should match `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': -0 }, |
| object2 = { 'a': 0 }; |
| |
| assert.strictEqual(_.isMatch(object1, object2), true); |
| assert.strictEqual(_.isMatch(object2, object1), true); |
| }); |
| |
| QUnit.test('should compare functions by reference', function(assert) { |
| assert.expect(3); |
| |
| var object1 = { 'a': lodashStable.noop }, |
| object2 = { 'a': noop }, |
| object3 = { 'a': {} }; |
| |
| assert.strictEqual(_.isMatch(object1, object1), true); |
| assert.strictEqual(_.isMatch(object2, object1), false); |
| assert.strictEqual(_.isMatch(object3, object1), false); |
| }); |
| |
| QUnit.test('should work with a function for `object`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = { 'b': 1, 'c': 2 }; |
| |
| assert.strictEqual(_.isMatch(Foo, { 'a': { 'b': 1 } }), true); |
| }); |
| |
| QUnit.test('should work with a function for `source`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = 1; |
| Foo.b = function() {}; |
| Foo.c = 3; |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': Foo.b, 'c': 3 }]; |
| |
| var actual = lodashStable.map(objects, function(object) { |
| return _.isMatch(object, Foo); |
| }); |
| |
| assert.deepEqual(actual, [false, true]); |
| }); |
| |
| QUnit.test('should work with a non-plain `object`', function(assert) { |
| assert.expect(1); |
| |
| function Foo(object) { lodashStable.assign(this, object); } |
| |
| var object = new Foo({ 'a': new Foo({ 'b': 1, 'c': 2 }) }); |
| assert.strictEqual(_.isMatch(object, { 'a': { 'b': 1 } }), true); |
| }); |
| |
| QUnit.test('should partial match arrays', function(assert) { |
| assert.expect(3); |
| |
| var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }], |
| source = { 'a': ['d'] }, |
| predicate = function(object) { return _.isMatch(object, source); }, |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| source = { 'a': ['b', 'd'] }; |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, []); |
| |
| source = { 'a': ['d', 'b'] }; |
| actual = lodashStable.filter(objects, predicate); |
| assert.deepEqual(actual, []); |
| }); |
| |
| QUnit.test('should partial match arrays of objects', function(assert) { |
| assert.expect(1); |
| |
| var source = { 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] }; |
| |
| var objects = [ |
| { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] }, |
| { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] } |
| ]; |
| |
| var actual = lodashStable.filter(objects, function(object) { |
| return _.isMatch(object, source); |
| }); |
| |
| assert.deepEqual(actual, [objects[0]]); |
| }); |
| |
| QUnit.test('should partial match maps', function(assert) { |
| assert.expect(3); |
| |
| if (Map) { |
| var objects = [{ 'a': new Map }, { 'a': new Map }]; |
| objects[0].a.set('a', 1); |
| objects[1].a.set('a', 1); |
| objects[1].a.set('b', 2); |
| |
| var map = new Map; |
| map.set('b', 2); |
| |
| var source = { 'a': map }, |
| predicate = function(object) { return _.isMatch(object, source); }, |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| map['delete']('b'); |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, objects); |
| |
| map.set('c', 3); |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should partial match sets', function(assert) { |
| assert.expect(3); |
| |
| if (Set) { |
| var objects = [{ 'a': new Set }, { 'a': new Set }]; |
| objects[0].a.add(1); |
| objects[1].a.add(1); |
| objects[1].a.add(2); |
| |
| var set = new Set; |
| set.add(2); |
| |
| var source = { 'a': set }, |
| predicate = function(object) { return _.isMatch(object, source); }, |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| set['delete'](2); |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, objects); |
| |
| set.add(3); |
| actual = lodashStable.filter(objects, predicate); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should match `undefined` values', function(assert) { |
| assert.expect(3); |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }], |
| source = { 'b': undefined }, |
| predicate = function(object) { return _.isMatch(object, source); }, |
| actual = lodashStable.map(objects, predicate), |
| expected = [false, false, true]; |
| |
| assert.deepEqual(actual, expected); |
| |
| source = { 'a': 1, 'b': undefined }; |
| actual = lodashStable.map(objects, predicate); |
| |
| assert.deepEqual(actual, expected); |
| |
| objects = [{ 'a': { 'b': 1 } }, { 'a': { 'b': 1, 'c': 1 } }, { 'a': { 'b': 1, 'c': undefined } }]; |
| source = { 'a': { 'c': undefined } }; |
| actual = lodashStable.map(objects, predicate); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match `undefined` values on primitives', function(assert) { |
| assert.expect(3); |
| |
| numberProto.a = 1; |
| numberProto.b = undefined; |
| |
| try { |
| assert.strictEqual(_.isMatch(1, { 'b': undefined }), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| try { |
| assert.strictEqual(_.isMatch(1, { 'a': 1, 'b': undefined }), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| numberProto.a = { 'b': 1, 'c': undefined }; |
| try { |
| assert.strictEqual(_.isMatch(1, { 'a': { 'c': undefined } }), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| delete numberProto.a; |
| delete numberProto.b; |
| }); |
| |
| QUnit.test('should return `false` when `object` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, alwaysFalse), |
| source = { 'a': 1 }; |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| return _.isMatch(value, source); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, alwaysTrue), |
| source = {}; |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| return _.isMatch(value, source); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }, |
| expected = lodashStable.map(empties, alwaysTrue); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| return _.isMatch(object, value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing a `source` of empty arrays and objects', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }], |
| source = { 'a': [], 'b': {} }; |
| |
| var actual = lodashStable.filter(objects, function(object) { |
| return _.isMatch(object, source); |
| }); |
| |
| assert.deepEqual(actual, objects); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isMatchWith'); |
| |
| (function() { |
| QUnit.test('should provide the correct `customizer` arguments', function(assert) { |
| assert.expect(1); |
| |
| var argsList = [], |
| object1 = { 'a': [1, 2], 'b': null }, |
| object2 = { 'a': [1, 2], 'b': null }; |
| |
| object1.b = object2; |
| object2.b = object1; |
| |
| var expected = [ |
| [object1.a, object2.a, 'a', object1, object2], |
| [object1.a[0], object2.a[0], 0, object1.a, object2.a], |
| [object1.a[1], object2.a[1], 1, object1.a, object2.a], |
| [object1.b, object2.b, 'b', object1, object2], |
| [object1.b.a, object2.b.a, 'a', object1.b, object2.b], |
| [object1.b.a[0], object2.b.a[0], 0, object1.b.a, object2.b.a], |
| [object1.b.a[1], object2.b.a[1], 1, object1.b.a, object2.b.a], |
| [object1.b.b, object2.b.b, 'b', object1.b, object2.b], |
| [object1.b.b.a, object2.b.b.a, 'a', object1.b.b, object2.b.b], |
| [object1.b.b.a[0], object2.b.b.a[0], 0, object1.b.b.a, object2.b.b.a], |
| [object1.b.b.a[1], object2.b.b.a[1], 1, object1.b.b.a, object2.b.b.a], |
| [object1.b.b.b, object2.b.b.b, 'b', object1.b.b, object2.b.b] |
| ]; |
| |
| _.isMatchWith(object1, object2, function(assert) { |
| argsList.push(slice.call(arguments, 0, -1)); |
| }); |
| |
| assert.deepEqual(argsList, expected); |
| }); |
| |
| QUnit.test('should handle comparisons if `customizer` returns `undefined`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isMatchWith({ 'a': 1 }, { 'a': 1 }, noop), true); |
| }); |
| |
| QUnit.test('should not handle comparisons if `customizer` returns `true`', function(assert) { |
| assert.expect(2); |
| |
| var customizer = function(value) { |
| return _.isString(value) || undefined; |
| }; |
| |
| assert.strictEqual(_.isMatchWith(['a'], ['b'], customizer), true); |
| assert.strictEqual(_.isMatchWith({ '0': 'a' }, { '0': 'b' }, customizer), true); |
| }); |
| |
| QUnit.test('should not handle comparisons if `customizer` returns `false`', function(assert) { |
| assert.expect(2); |
| |
| var customizer = function(value) { |
| return _.isString(value) ? false : undefined; |
| }; |
| |
| assert.strictEqual(_.isMatchWith(['a'], ['a'], customizer), false); |
| assert.strictEqual(_.isMatchWith({ '0': 'a' }, { '0': 'a' }, customizer), false); |
| }); |
| |
| QUnit.test('should return a boolean value even if `customizer` does not', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1 }, |
| actual = _.isMatchWith(object, { 'a': 1 }, alwaysA); |
| |
| assert.strictEqual(actual, true); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| actual = []; |
| lodashStable.each(falsey, function(value) { |
| actual.push(_.isMatchWith(object, { 'a': 2 }, lodashStable.constant(value))); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ensure `customizer` is a function', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }, |
| matches = _.partial(_.isMatchWith, object), |
| actual = lodashStable.map([object, { 'a': 2 }], matches); |
| |
| assert.deepEqual(actual, [true, false]); |
| }); |
| |
| QUnit.test('should call `customizer` for values maps and sets', function(assert) { |
| assert.expect(2); |
| |
| var value = { 'a': { 'b': 2 } }; |
| |
| if (Map) { |
| var map1 = new Map; |
| map1.set('a', value); |
| |
| var map2 = new Map; |
| map2.set('a', value); |
| } |
| if (Set) { |
| var set1 = new Set; |
| set1.add(value); |
| |
| var set2 = new Set; |
| set2.add(value); |
| } |
| lodashStable.each([[map1, map2], [set1, set2]], function(pair, index) { |
| if (pair[0]) { |
| var argsList = [], |
| array = _.toArray(pair[0]), |
| object1 = { 'a': pair[0] }, |
| object2 = { 'a': pair[1] }; |
| |
| var expected = [ |
| [pair[0], pair[1], 'a', object1, object2], |
| [array[0], array[0], 0, array, array], |
| [array[0][0], array[0][0], 0, array[0], array[0]], |
| [array[0][1], array[0][1], 1, array[0], array[0]] |
| ]; |
| |
| if (index) { |
| expected.length = 2; |
| } |
| _.isMatchWith({ 'a': pair[0] }, { 'a': pair[1] }, function() { |
| argsList.push(slice.call(arguments, 0, -1)); |
| }); |
| |
| assert.deepEqual(argsList, expected, index ? 'Set' : 'Map'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isNaN'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for NaNs', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isNaN(NaN), true); |
| assert.strictEqual(_.isNaN(Object(NaN)), true); |
| }); |
| |
| QUnit.test('should return `false` for non-NaNs', function(assert) { |
| assert.expect(14); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value !== value; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isNaN(value) : _.isNaN(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isNaN(args), false); |
| assert.strictEqual(_.isNaN([1, 2, 3]), false); |
| assert.strictEqual(_.isNaN(true), false); |
| assert.strictEqual(_.isNaN(new Date), false); |
| assert.strictEqual(_.isNaN(new Error), false); |
| assert.strictEqual(_.isNaN(_), false); |
| assert.strictEqual(_.isNaN(slice), false); |
| assert.strictEqual(_.isNaN({ 'a': 1 }), false); |
| assert.strictEqual(_.isNaN(1), false); |
| assert.strictEqual(_.isNaN(Object(1)), false); |
| assert.strictEqual(_.isNaN(/x/), false); |
| assert.strictEqual(_.isNaN('a'), false); |
| assert.strictEqual(_.isNaN(symbol), false); |
| }); |
| |
| QUnit.test('should work with `NaN` from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isNaN(realm.nan), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isNative'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for native methods', function(assert) { |
| assert.expect(1); |
| |
| var values = [Array, body && body.cloneNode, create, root.encodeURI, Promise, slice, Uint8Array], |
| expected = lodashStable.map(values, Boolean), |
| actual = lodashStable.map(values, _.isNative); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non-native methods', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isNative(value) : _.isNative(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isNative(args), false); |
| assert.strictEqual(_.isNative([1, 2, 3]), false); |
| assert.strictEqual(_.isNative(true), false); |
| assert.strictEqual(_.isNative(new Date), false); |
| assert.strictEqual(_.isNative(new Error), false); |
| assert.strictEqual(_.isNative(_), false); |
| assert.strictEqual(_.isNative({ 'a': 1 }), false); |
| assert.strictEqual(_.isNative(1), false); |
| assert.strictEqual(_.isNative(/x/), false); |
| assert.strictEqual(_.isNative('a'), false); |
| assert.strictEqual(_.isNative(symbol), false); |
| }); |
| |
| QUnit.test('should work with native functions from another realm', function(assert) { |
| assert.expect(2); |
| |
| if (realm.element) { |
| assert.strictEqual(_.isNative(realm.element.cloneNode), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| if (realm.object) { |
| assert.strictEqual(_.isNative(realm.object.valueOf), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isNil'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for nullish values', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.isNil(null), true); |
| assert.strictEqual(_.isNil(), true); |
| assert.strictEqual(_.isNil(undefined), true); |
| }); |
| |
| QUnit.test('should return `false` for non-nullish values', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value == null; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isNil(value) : _.isNil(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isNil(args), false); |
| assert.strictEqual(_.isNil([1, 2, 3]), false); |
| assert.strictEqual(_.isNil(true), false); |
| assert.strictEqual(_.isNil(new Date), false); |
| assert.strictEqual(_.isNil(new Error), false); |
| assert.strictEqual(_.isNil(_), false); |
| assert.strictEqual(_.isNil(slice), false); |
| assert.strictEqual(_.isNil({ 'a': 1 }), false); |
| assert.strictEqual(_.isNil(1), false); |
| assert.strictEqual(_.isNil(/x/), false); |
| assert.strictEqual(_.isNil('a'), false); |
| |
| if (Symbol) { |
| assert.strictEqual(_.isNil(symbol), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work with nulls from another realm', function(assert) { |
| assert.expect(2); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isNil(realm.null), true); |
| assert.strictEqual(_.isNil(realm.undefined), true); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isNull'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for `null` values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isNull(null), true); |
| }); |
| |
| QUnit.test('should return `false` for non `null` values', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === null; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isNull(value) : _.isNull(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isNull(args), false); |
| assert.strictEqual(_.isNull([1, 2, 3]), false); |
| assert.strictEqual(_.isNull(true), false); |
| assert.strictEqual(_.isNull(new Date), false); |
| assert.strictEqual(_.isNull(new Error), false); |
| assert.strictEqual(_.isNull(_), false); |
| assert.strictEqual(_.isNull(slice), false); |
| assert.strictEqual(_.isNull({ 'a': 1 }), false); |
| assert.strictEqual(_.isNull(1), false); |
| assert.strictEqual(_.isNull(/x/), false); |
| assert.strictEqual(_.isNull('a'), false); |
| assert.strictEqual(_.isNull(symbol), false); |
| }); |
| |
| QUnit.test('should work with nulls from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isNull(realm.null), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isNumber'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.isNumber(0), true); |
| assert.strictEqual(_.isNumber(Object(0)), true); |
| assert.strictEqual(_.isNumber(NaN), true); |
| }); |
| |
| QUnit.test('should return `false` for non-numbers', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return typeof value == 'number'; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isNumber(value) : _.isNumber(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isNumber(args), false); |
| assert.strictEqual(_.isNumber([1, 2, 3]), false); |
| assert.strictEqual(_.isNumber(true), false); |
| assert.strictEqual(_.isNumber(new Date), false); |
| assert.strictEqual(_.isNumber(new Error), false); |
| assert.strictEqual(_.isNumber(_), false); |
| assert.strictEqual(_.isNumber(slice), false); |
| assert.strictEqual(_.isNumber({ 'a': 1 }), false); |
| assert.strictEqual(_.isNumber(/x/), false); |
| assert.strictEqual(_.isNumber('a'), false); |
| assert.strictEqual(_.isNumber(symbol), false); |
| }); |
| |
| QUnit.test('should work with numbers from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.number) { |
| assert.strictEqual(_.isNumber(realm.number), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should avoid `[xpconnect wrapped native prototype]` in Firefox', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.isNumber(+'2'), true); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isObject'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for objects', function(assert) { |
| assert.expect(13); |
| |
| assert.strictEqual(_.isObject(args), true); |
| assert.strictEqual(_.isObject([1, 2, 3]), true); |
| assert.strictEqual(_.isObject(Object(false)), true); |
| assert.strictEqual(_.isObject(new Date), true); |
| assert.strictEqual(_.isObject(new Error), true); |
| assert.strictEqual(_.isObject(_), true); |
| assert.strictEqual(_.isObject(slice), true); |
| assert.strictEqual(_.isObject({ 'a': 1 }), true); |
| assert.strictEqual(_.isObject(Object(0)), true); |
| assert.strictEqual(_.isObject(/x/), true); |
| assert.strictEqual(_.isObject(Object('a')), true); |
| |
| if (document) { |
| assert.strictEqual(_.isObject(body), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| if (Symbol) { |
| assert.strictEqual(_.isObject(Object(symbol)), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-objects', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat(true, 1, 'a', symbol), |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.isObject(value) : _.isObject(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with objects from another realm', function(assert) { |
| assert.expect(8); |
| |
| if (realm.element) { |
| assert.strictEqual(_.isObject(realm.element), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| if (realm.object) { |
| assert.strictEqual(_.isObject(realm.boolean), true); |
| assert.strictEqual(_.isObject(realm.date), true); |
| assert.strictEqual(_.isObject(realm.function), true); |
| assert.strictEqual(_.isObject(realm.number), true); |
| assert.strictEqual(_.isObject(realm.object), true); |
| assert.strictEqual(_.isObject(realm.regexp), true); |
| assert.strictEqual(_.isObject(realm.string), true); |
| } |
| else { |
| skipAssert(assert, 7); |
| } |
| }); |
| |
| QUnit.test('should avoid V8 bug #2291 (test in Chrome 19-20)', function(assert) { |
| assert.expect(1); |
| |
| // Trigger a V8 JIT bug. |
| // See https://code.google.com/p/v8/issues/detail?id=2291. |
| var object = {}; |
| |
| // First, have a comparison statement. |
| object == object; |
| |
| // Then perform the check with `object`. |
| _.isObject(object); |
| |
| assert.strictEqual(_.isObject('a'), false); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isObjectLike'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for objects', function(assert) { |
| assert.expect(9); |
| |
| assert.strictEqual(_.isObjectLike(args), true); |
| assert.strictEqual(_.isObjectLike([1, 2, 3]), true); |
| assert.strictEqual(_.isObjectLike(Object(false)), true); |
| assert.strictEqual(_.isObjectLike(new Date), true); |
| assert.strictEqual(_.isObjectLike(new Error), true); |
| assert.strictEqual(_.isObjectLike({ 'a': 1 }), true); |
| assert.strictEqual(_.isObjectLike(Object(0)), true); |
| assert.strictEqual(_.isObjectLike(/x/), true); |
| assert.strictEqual(_.isObjectLike(Object('a')), true); |
| }); |
| |
| QUnit.test('should return `false` for non-objects', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat(true, _, slice, 1, 'a', symbol), |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.isObjectLike(value) : _.isObjectLike(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with objects from another realm', function(assert) { |
| assert.expect(6); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isObjectLike(realm.boolean), true); |
| assert.strictEqual(_.isObjectLike(realm.date), true); |
| assert.strictEqual(_.isObjectLike(realm.number), true); |
| assert.strictEqual(_.isObjectLike(realm.object), true); |
| assert.strictEqual(_.isObjectLike(realm.regexp), true); |
| assert.strictEqual(_.isObjectLike(realm.string), true); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isPlainObject'); |
| |
| (function() { |
| var element = document && document.createElement('div'); |
| |
| QUnit.test('should detect plain objects', function(assert) { |
| assert.expect(5); |
| |
| function Foo(a) { |
| this.a = 1; |
| } |
| |
| assert.strictEqual(_.isPlainObject({}), true); |
| assert.strictEqual(_.isPlainObject({ 'a': 1 }), true); |
| assert.strictEqual(_.isPlainObject({ 'constructor': Foo }), true); |
| assert.strictEqual(_.isPlainObject([1, 2, 3]), false); |
| assert.strictEqual(_.isPlainObject(new Foo(1)), false); |
| }); |
| |
| QUnit.test('should return `true` for objects with a `[[Prototype]]` of `null`', function(assert) { |
| assert.expect(2); |
| |
| if (create) { |
| var object = create(null); |
| assert.strictEqual(_.isPlainObject(object), true); |
| |
| object.constructor = objectProto.constructor; |
| assert.strictEqual(_.isPlainObject(object), true); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should return `true` for plain objects with a custom `valueOf` property', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isPlainObject({ 'valueOf': 0 }), true); |
| |
| if (element) { |
| var valueOf = element.valueOf; |
| element.valueOf = 0; |
| |
| assert.strictEqual(_.isPlainObject(element), false); |
| element.valueOf = valueOf; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for objects with a custom `[[Prototype]]`', function(assert) { |
| assert.expect(1); |
| |
| if (create) { |
| var object = create({ 'a': 1 }); |
| assert.strictEqual(_.isPlainObject(object), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for DOM elements', function(assert) { |
| assert.expect(1); |
| |
| if (element) { |
| assert.strictEqual(_.isPlainObject(element), false); |
| } else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for Object objects without a `toStringTag` of "Object"', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.isPlainObject(arguments), false); |
| assert.strictEqual(_.isPlainObject(Error), false); |
| assert.strictEqual(_.isPlainObject(Math), false); |
| }); |
| |
| QUnit.test('should return `false` for non-objects', function(assert) { |
| assert.expect(4); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isPlainObject(value) : _.isPlainObject(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isPlainObject(true), false); |
| assert.strictEqual(_.isPlainObject('a'), false); |
| assert.strictEqual(_.isPlainObject(symbol), false); |
| }); |
| |
| QUnit.test('should work with objects from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isPlainObject(realm.object), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isRegExp'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for regexes', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isRegExp(/x/), true); |
| assert.strictEqual(_.isRegExp(RegExp('x')), true); |
| }); |
| |
| QUnit.test('should return `false` for non-regexes', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isRegExp(value) : _.isRegExp(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isRegExp(args), false); |
| assert.strictEqual(_.isRegExp([1, 2, 3]), false); |
| assert.strictEqual(_.isRegExp(true), false); |
| assert.strictEqual(_.isRegExp(new Date), false); |
| assert.strictEqual(_.isRegExp(new Error), false); |
| assert.strictEqual(_.isRegExp(_), false); |
| assert.strictEqual(_.isRegExp(slice), false); |
| assert.strictEqual(_.isRegExp({ 'a': 1 }), false); |
| assert.strictEqual(_.isRegExp(1), false); |
| assert.strictEqual(_.isRegExp('a'), false); |
| assert.strictEqual(_.isRegExp(symbol), false); |
| }); |
| |
| QUnit.test('should work with regexes from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.regexp) { |
| assert.strictEqual(_.isRegExp(realm.regexp), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isSet'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for sets', function(assert) { |
| assert.expect(1); |
| |
| if (Set) { |
| assert.strictEqual(_.isSet(set), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-sets', function(assert) { |
| assert.expect(14); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isSet(value) : _.isSet(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isSet(args), false); |
| assert.strictEqual(_.isSet([1, 2, 3]), false); |
| assert.strictEqual(_.isSet(true), false); |
| assert.strictEqual(_.isSet(new Date), false); |
| assert.strictEqual(_.isSet(new Error), false); |
| assert.strictEqual(_.isSet(_), false); |
| assert.strictEqual(_.isSet(slice), false); |
| assert.strictEqual(_.isSet({ 'a': 1 }), false); |
| assert.strictEqual(_.isSet(1), false); |
| assert.strictEqual(_.isSet(/x/), false); |
| assert.strictEqual(_.isSet('a'), false); |
| assert.strictEqual(_.isSet(symbol), false); |
| assert.strictEqual(_.isSet(weakSet), false); |
| }); |
| |
| QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) { |
| assert.expect(1); |
| |
| var values = [false, true], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.isSet({ 'constructor': value }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with weak sets from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.set) { |
| assert.strictEqual(_.isSet(realm.set), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isString'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for strings', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isString('a'), true); |
| assert.strictEqual(_.isString(Object('a')), true); |
| }); |
| |
| QUnit.test('should return `false` for non-strings', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === ''; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isString(value) : _.isString(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isString(args), false); |
| assert.strictEqual(_.isString([1, 2, 3]), false); |
| assert.strictEqual(_.isString(true), false); |
| assert.strictEqual(_.isString(new Date), false); |
| assert.strictEqual(_.isString(new Error), false); |
| assert.strictEqual(_.isString(_), false); |
| assert.strictEqual(_.isString(slice), false); |
| assert.strictEqual(_.isString({ '0': 1, 'length': 1 }), false); |
| assert.strictEqual(_.isString(1), false); |
| assert.strictEqual(_.isString(/x/), false); |
| assert.strictEqual(_.isString(symbol), false); |
| }); |
| |
| QUnit.test('should work with strings from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.string) { |
| assert.strictEqual(_.isString(realm.string), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isSymbol'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for symbols', function(assert) { |
| assert.expect(2); |
| |
| if (Symbol) { |
| assert.strictEqual(_.isSymbol(symbol), true); |
| assert.strictEqual(_.isSymbol(Object(symbol)), true); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non-symbols', function(assert) { |
| assert.expect(12); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isSymbol(value) : _.isSymbol(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isSymbol(args), false); |
| assert.strictEqual(_.isSymbol([1, 2, 3]), false); |
| assert.strictEqual(_.isSymbol(true), false); |
| assert.strictEqual(_.isSymbol(new Date), false); |
| assert.strictEqual(_.isSymbol(new Error), false); |
| assert.strictEqual(_.isSymbol(_), false); |
| assert.strictEqual(_.isSymbol(slice), false); |
| assert.strictEqual(_.isSymbol({ '0': 1, 'length': 1 }), false); |
| assert.strictEqual(_.isSymbol(1), false); |
| assert.strictEqual(_.isSymbol(/x/), false); |
| assert.strictEqual(_.isSymbol('a'), false); |
| }); |
| |
| QUnit.test('should work with symbols from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol && realm.symbol) { |
| assert.strictEqual(_.isSymbol(realm.symbol), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isTypedArray'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for typed arrays', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(typedArrays, function(type) { |
| return type in root; |
| }); |
| |
| var actual = lodashStable.map(typedArrays, function(type) { |
| var Ctor = root[type]; |
| return Ctor ? _.isTypedArray(new Ctor(new ArrayBuffer(8))) : false; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `false` for non typed arrays', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isTypedArray(value) : _.isTypedArray(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isTypedArray(args), false); |
| assert.strictEqual(_.isTypedArray([1, 2, 3]), false); |
| assert.strictEqual(_.isTypedArray(true), false); |
| assert.strictEqual(_.isTypedArray(new Date), false); |
| assert.strictEqual(_.isTypedArray(new Error), false); |
| assert.strictEqual(_.isTypedArray(_), false); |
| assert.strictEqual(_.isTypedArray(slice), false); |
| assert.strictEqual(_.isTypedArray({ 'a': 1 }), false); |
| assert.strictEqual(_.isTypedArray(1), false); |
| assert.strictEqual(_.isTypedArray(/x/), false); |
| assert.strictEqual(_.isTypedArray('a'), false); |
| assert.strictEqual(_.isTypedArray(symbol), false); |
| }); |
| |
| QUnit.test('should work with typed arrays from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| var props = lodashStable.invokeMap(typedArrays, 'toLowerCase'); |
| |
| var expected = lodashStable.map(props, function(key) { |
| return realm[key] !== undefined; |
| }); |
| |
| var actual = lodashStable.map(props, function(key) { |
| var value = realm[key]; |
| return value ? _.isTypedArray(value) : false; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isUndefined'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for `undefined` values', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.isUndefined(), true); |
| assert.strictEqual(_.isUndefined(undefined), true); |
| }); |
| |
| QUnit.test('should return `false` for non `undefined` values', function(assert) { |
| assert.expect(13); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isUndefined(value) : _.isUndefined(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isUndefined(args), false); |
| assert.strictEqual(_.isUndefined([1, 2, 3]), false); |
| assert.strictEqual(_.isUndefined(true), false); |
| assert.strictEqual(_.isUndefined(new Date), false); |
| assert.strictEqual(_.isUndefined(new Error), false); |
| assert.strictEqual(_.isUndefined(_), false); |
| assert.strictEqual(_.isUndefined(slice), false); |
| assert.strictEqual(_.isUndefined({ 'a': 1 }), false); |
| assert.strictEqual(_.isUndefined(1), false); |
| assert.strictEqual(_.isUndefined(/x/), false); |
| assert.strictEqual(_.isUndefined('a'), false); |
| |
| if (Symbol) { |
| assert.strictEqual(_.isUndefined(symbol), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work with `undefined` from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.object) { |
| assert.strictEqual(_.isUndefined(realm.undefined), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isWeakMap'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for weak maps', function(assert) { |
| assert.expect(1); |
| |
| if (WeakMap) { |
| assert.strictEqual(_.isWeakMap(weakMap), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non weak maps', function(assert) { |
| assert.expect(14); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isWeakMap(value) : _.isWeakMap(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isWeakMap(args), false); |
| assert.strictEqual(_.isWeakMap([1, 2, 3]), false); |
| assert.strictEqual(_.isWeakMap(true), false); |
| assert.strictEqual(_.isWeakMap(new Date), false); |
| assert.strictEqual(_.isWeakMap(new Error), false); |
| assert.strictEqual(_.isWeakMap(_), false); |
| assert.strictEqual(_.isWeakMap(slice), false); |
| assert.strictEqual(_.isWeakMap({ 'a': 1 }), false); |
| assert.strictEqual(_.isWeakMap(map), false); |
| assert.strictEqual(_.isWeakMap(1), false); |
| assert.strictEqual(_.isWeakMap(/x/), false); |
| assert.strictEqual(_.isWeakMap('a'), false); |
| assert.strictEqual(_.isWeakMap(symbol), false); |
| }); |
| |
| QUnit.test('should work for objects with a non-function `constructor` (test in IE 11)', function(assert) { |
| assert.expect(1); |
| |
| var values = [false, true], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.isWeakMap({ 'constructor': value }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with weak maps from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.weakMap) { |
| assert.strictEqual(_.isWeakMap(realm.weakMap), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.isWeakSet'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should return `true` for weak sets', function(assert) { |
| assert.expect(1); |
| |
| if (WeakSet) { |
| assert.strictEqual(_.isWeakSet(weakSet), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return `false` for non weak sets', function(assert) { |
| assert.expect(14); |
| |
| var expected = lodashStable.map(falsey, alwaysFalse); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| return index ? _.isWeakSet(value) : _.isWeakSet(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| assert.strictEqual(_.isWeakSet(args), false); |
| assert.strictEqual(_.isWeakSet([1, 2, 3]), false); |
| assert.strictEqual(_.isWeakSet(true), false); |
| assert.strictEqual(_.isWeakSet(new Date), false); |
| assert.strictEqual(_.isWeakSet(new Error), false); |
| assert.strictEqual(_.isWeakSet(_), false); |
| assert.strictEqual(_.isWeakSet(slice), false); |
| assert.strictEqual(_.isWeakSet({ 'a': 1 }), false); |
| assert.strictEqual(_.isWeakSet(1), false); |
| assert.strictEqual(_.isWeakSet(/x/), false); |
| assert.strictEqual(_.isWeakSet('a'), false); |
| assert.strictEqual(_.isWeakSet(set), false); |
| assert.strictEqual(_.isWeakSet(symbol), false); |
| }); |
| |
| QUnit.test('should work with weak sets from another realm', function(assert) { |
| assert.expect(1); |
| |
| if (realm.weakSet) { |
| assert.strictEqual(_.isWeakSet(realm.weakSet), true); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('isType checks'); |
| |
| (function() { |
| QUnit.test('should return `false` for subclassed values', function(assert) { |
| assert.expect(7); |
| |
| var funcs = [ |
| 'isArray', 'isBoolean', 'isDate', 'isFunction', |
| 'isNumber', 'isRegExp', 'isString' |
| ]; |
| |
| lodashStable.each(funcs, function(methodName) { |
| function Foo() {} |
| Foo.prototype = root[methodName.slice(2)].prototype; |
| |
| var object = new Foo; |
| if (objToString.call(object) == objectTag) { |
| assert.strictEqual(_[methodName](object), false, '`_.' + methodName + '` returns `false`'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| QUnit.test('should not error on host objects (test in IE)', function(assert) { |
| assert.expect(26); |
| |
| var funcs = [ |
| 'isArguments', 'isArray', 'isArrayBuffer', 'isArrayLike', 'isBoolean', |
| 'isBuffer', 'isDate', 'isElement', 'isError', 'isFinite', 'isFunction', |
| 'isInteger', 'isMap', 'isNaN', 'isNil', 'isNull', 'isNumber', 'isObject', |
| 'isObjectLike', 'isRegExp', 'isSet', 'isSafeInteger', 'isString', |
| 'isUndefined', 'isWeakMap', 'isWeakSet' |
| ]; |
| |
| lodashStable.each(funcs, function(methodName) { |
| if (xml) { |
| var pass = true; |
| |
| try { |
| _[methodName](xml); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass, '`_.' + methodName + '` should not error'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.iteratee'); |
| |
| (function() { |
| QUnit.test('should provide arguments to `func`', function(assert) { |
| assert.expect(1); |
| |
| var fn = function() { return slice.call(arguments); }, |
| iteratee = _.iteratee(fn), |
| actual = iteratee('a', 'b', 'c', 'd', 'e', 'f'); |
| |
| assert.deepEqual(actual, ['a', 'b', 'c', 'd', 'e', 'f']); |
| }); |
| |
| QUnit.test('should return `_.identity` when `func` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var object = {}, |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([!isNpm && _.identity, object])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var identity = index ? _.iteratee(value) : _.iteratee(); |
| return [!isNpm && identity, identity(object)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an iteratee created by `_.matches` when `func` is an object', function(assert) { |
| assert.expect(2); |
| |
| var matches = _.iteratee({ 'a': 1, 'b': 2 }); |
| assert.strictEqual(matches({ 'a': 1, 'b': 2, 'c': 3 }), true); |
| assert.strictEqual(matches({ 'b': 2 }), false); |
| }); |
| |
| QUnit.test('should not change `_.matches` behavior if `source` is modified', function(assert) { |
| assert.expect(9); |
| |
| var sources = [ |
| { 'a': { 'b': 2, 'c': 3 } }, |
| { 'a': 1, 'b': 2 }, |
| { 'a': 1 } |
| ]; |
| |
| lodashStable.each(sources, function(source, index) { |
| var object = lodashStable.cloneDeep(source), |
| matches = _.iteratee(source); |
| |
| assert.strictEqual(matches(object), true); |
| |
| if (index) { |
| source.a = 2; |
| source.b = 1; |
| source.c = 3; |
| } else { |
| source.a.b = 1; |
| source.a.c = 2; |
| source.a.d = 3; |
| } |
| assert.strictEqual(matches(object), true); |
| assert.strictEqual(matches(source), false); |
| }); |
| }); |
| |
| QUnit.test('should return an iteratee created by `_.matchesProperty` when `func` is an array', function(assert) { |
| assert.expect(3); |
| |
| var array = ['a', undefined], |
| matches = _.iteratee([0, 'a']); |
| |
| assert.strictEqual(matches(array), true); |
| |
| matches = _.iteratee(['0', 'a']); |
| assert.strictEqual(matches(array), true); |
| |
| matches = _.iteratee([1, undefined]); |
| assert.strictEqual(matches(array), true); |
| }); |
| |
| QUnit.test('should support deep paths for `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': { 'c': 1, 'd': 2 } } }, |
| matches = _.iteratee(['a.b', { 'c': 1 }]); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should not change `_.matchesProperty` behavior if `source` is modified', function(assert) { |
| assert.expect(9); |
| |
| var sources = [ |
| { 'a': { 'b': 2, 'c': 3 } }, |
| { 'a': 1, 'b': 2 }, |
| { 'a': 1 } |
| ]; |
| |
| lodashStable.each(sources, function(source, index) { |
| var object = { 'a': lodashStable.cloneDeep(source) }, |
| matches = _.iteratee(['a', source]); |
| |
| assert.strictEqual(matches(object), true); |
| |
| if (index) { |
| source.a = 2; |
| source.b = 1; |
| source.c = 3; |
| } else { |
| source.a.b = 1; |
| source.a.c = 2; |
| source.a.d = 3; |
| } |
| assert.strictEqual(matches(object), true); |
| assert.strictEqual(matches({ 'a': source }), false); |
| }); |
| }); |
| |
| QUnit.test('should return an iteratee created by `_.property` when `func` is a number or string', function(assert) { |
| assert.expect(2); |
| |
| var array = ['a'], |
| prop = _.iteratee(0); |
| |
| assert.strictEqual(prop(array), 'a'); |
| |
| prop = _.iteratee('0'); |
| assert.strictEqual(prop(array), 'a'); |
| }); |
| |
| QUnit.test('should support deep paths for `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': 2 } }, |
| prop = _.iteratee('a.b'); |
| |
| assert.strictEqual(prop(object), 2); |
| }); |
| |
| QUnit.test('should work with functions created by `_.partial` and `_.partialRight`', function(assert) { |
| assert.expect(2); |
| |
| var fn = function() { |
| var result = [this.a]; |
| push.apply(result, arguments); |
| return result; |
| }; |
| |
| var expected = [1, 2, 3], |
| object = { 'a': 1 , 'iteratee': _.iteratee(_.partial(fn, 2)) }; |
| |
| assert.deepEqual(object.iteratee(3), expected); |
| |
| object.iteratee = _.iteratee(_.partialRight(fn, 3)); |
| assert.deepEqual(object.iteratee(2), expected); |
| }); |
| |
| QUnit.test('should use internal `iteratee` if external is unavailable', function(assert) { |
| assert.expect(1); |
| |
| var iteratee = _.iteratee; |
| delete _.iteratee; |
| |
| assert.deepEqual(_.map([{ 'a': 1 }], 'a'), [1]); |
| |
| _.iteratee = iteratee; |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var fn = function() { return this instanceof Number; }, |
| array = [fn, fn, fn], |
| iteratees = lodashStable.map(array, _.iteratee), |
| expected = lodashStable.map(array, alwaysFalse); |
| |
| var actual = lodashStable.map(iteratees, function(iteratee) { |
| return iteratee(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('custom `_.iteratee` methods'); |
| |
| (function() { |
| var array = ['one', 'two', 'three'], |
| getPropA = _.partial(_.property, 'a'), |
| getPropB = _.partial(_.property, 'b'), |
| getLength = _.partial(_.property, 'length'), |
| iteratee = _.iteratee; |
| |
| var getSum = function() { |
| return function(result, object) { |
| return result + object.a; |
| }; |
| }; |
| |
| var objects = [ |
| { 'a': 0, 'b': 0 }, |
| { 'a': 1, 'b': 0 }, |
| { 'a': 1, 'b': 1 } |
| ]; |
| |
| QUnit.test('`_.countBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getLength; |
| assert.deepEqual(_.countBy(array), { '3': 2, '5': 1 }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.differenceBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.differenceBy(objects, [objects[1]]), [objects[0]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.dropRightWhile` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.dropRightWhile(objects), objects.slice(0, 2)); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.dropWhile` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.dropWhile(objects.reverse()).reverse(), objects.reverse().slice(0, 2)); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.every` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.every(objects.slice(1)), true); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.filter` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 0 }, { 'a': 1 }]; |
| |
| _.iteratee = getPropA; |
| assert.deepEqual(_.filter(objects), [objects[1]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.find` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.find(objects), objects[1]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.findIndex` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.findIndex(objects), 1); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.findLast` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.findLast(objects), objects[2]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.findLastIndex` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.findLastIndex(objects), 2); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.findKey` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.strictEqual(_.findKey(objects), '2'); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.findLastKey` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.strictEqual(_.findLastKey(objects), '2'); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.groupBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getLength; |
| assert.deepEqual(_.groupBy(array), { '3': ['one', 'two'], '5': ['three'] }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.intersectionBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.intersectionBy(objects, [objects[2]]), [objects[1]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.keyBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getLength; |
| assert.deepEqual(_.keyBy(array), { '3': 'two', '5': 'three' }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.map` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.map(objects), [0, 1, 1]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.mapKeys` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.mapKeys({ 'a': { 'b': 1 } }), { '1': { 'b': 1 } }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.mapValues` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.mapValues({ 'a': { 'b': 1 } }), { 'a': 1 }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.maxBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.maxBy(objects), objects[2]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.meanBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.strictEqual(_.meanBy(objects), 2 / 3); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.minBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.minBy(objects), objects[0]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.partition` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 1 }, { 'a': 1 }, { 'b': 2 }]; |
| |
| _.iteratee = getPropA; |
| assert.deepEqual(_.partition(objects), [objects.slice(0, 2), objects.slice(2)]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.pullAllBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.pullAllBy(objects.slice(), [{ 'a': 1, 'b': 0 }]), [objects[0]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.reduce` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getSum; |
| assert.strictEqual(_.reduce(objects, undefined, 0), 2); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.reduceRight` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getSum; |
| assert.strictEqual(_.reduceRight(objects, undefined, 0), 2); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.reject` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 0 }, { 'a': 1 }]; |
| |
| _.iteratee = getPropA; |
| assert.deepEqual(_.reject(objects), [objects[0]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.remove` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 0 }, { 'a': 1 }]; |
| |
| _.iteratee = getPropA; |
| _.remove(objects); |
| assert.deepEqual(objects, [{ 'a': 0 }]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.some` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.strictEqual(_.some(objects), true); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.sortBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.sortBy(objects.slice().reverse()), [objects[0], objects[2], objects[1]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.sortedIndexBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 30 }, { 'a': 50 }]; |
| |
| _.iteratee = getPropA; |
| assert.strictEqual(_.sortedIndexBy(objects, { 'a': 40 }), 1); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.sortedLastIndexBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var objects = [{ 'a': 30 }, { 'a': 50 }]; |
| |
| _.iteratee = getPropA; |
| assert.strictEqual(_.sortedLastIndexBy(objects, { 'a': 40 }), 1); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.sumBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.strictEqual(_.sumBy(objects), 1); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.takeRightWhile` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.takeRightWhile(objects), objects.slice(2)); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.takeWhile` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.takeWhile(objects.reverse()), objects.reverse().slice(2)); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.transform` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = function() { |
| return function(result, object) { |
| result.sum += object.a; |
| }; |
| }; |
| |
| assert.deepEqual(_.transform(objects, undefined, { 'sum': 0 }), { 'sum': 2 }); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.uniqBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.uniqBy(objects), [objects[0], objects[2]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.unionBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropB; |
| assert.deepEqual(_.unionBy(objects.slice(0, 1), [objects[2]]), [objects[0], objects[2]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.xorBy` should use `_.iteratee` internally', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| _.iteratee = getPropA; |
| assert.deepEqual(_.xorBy(objects, objects.slice(1)), [objects[0]]); |
| _.iteratee = iteratee; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.join'); |
| |
| (function() { |
| var array = ['a', 'b', 'c']; |
| |
| QUnit.test('should return join all array elements into a string', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.join(array, '~'), 'a~b~c'); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _(array); |
| assert.strictEqual(wrapped.join('~'), 'a~b~c'); |
| assert.strictEqual(wrapped.value(), array); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).chain().join('~') instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.keyBy'); |
| |
| (function() { |
| var array = [ |
| { 'dir': 'left', 'code': 97 }, |
| { 'dir': 'right', 'code': 100 } |
| ]; |
| |
| QUnit.test('should transform keys by `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }; |
| |
| var actual = _.keyBy(array, function(object) { |
| return String.fromCharCode(object.code); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array = [4, 6, 6], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant({ '4': 4, '6': 6 })); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.keyBy(array, value) : _.keyBy(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }, |
| actual = _.keyBy(array, 'dir'); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should only add values to own, not inherited, properties', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.keyBy([6.1, 4.2, 6.3], function(n) { |
| return Math.floor(n) > 4 ? 'hasOwnProperty' : 'constructor'; |
| }); |
| |
| assert.deepEqual(actual.constructor, 4.2); |
| assert.deepEqual(actual.hasOwnProperty, 6.3); |
| }); |
| |
| QUnit.test('should work with a number for `iteratee`', function(assert) { |
| assert.expect(2); |
| |
| var array = [ |
| [1, 'a'], |
| [2, 'a'], |
| [2, 'b'] |
| ]; |
| |
| assert.deepEqual(_.keyBy(array, 0), { '1': [1, 'a'], '2': [2, 'b'] }); |
| assert.deepEqual(_.keyBy(array, 1), { 'a': [2, 'a'], 'b': [2, 'b'] }); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.keyBy({ 'a': 6.1, 'b': 4.2, 'c': 6.3 }, Math.floor); |
| assert.deepEqual(actual, { '4': 4.2, '6': 6.3 }); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE).concat( |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 2), LARGE_ARRAY_SIZE), |
| lodashStable.range(Math.floor(LARGE_ARRAY_SIZE / 1.5), LARGE_ARRAY_SIZE) |
| ); |
| |
| var actual = _(array).keyBy().map(square).filter(isEven).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.filter(_.map(_.keyBy(array), square), isEven))); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('keys methods'); |
| |
| lodashStable.each(['keys', 'keysIn'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3)), |
| func = _[methodName], |
| isKeys = methodName == 'keys'; |
| |
| QUnit.test('`_.' + methodName + '` should return the string keyed property names of `object`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func({ 'a': 1, 'b': 1 }).sort(); |
| |
| assert.deepEqual(actual, ['a', 'b']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var expected = isKeys ? ['a'] : ['a', 'b'], |
| actual = func(new Foo).sort(); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce primitives to objects (test in IE 9)', function(assert) { |
| assert.expect(2); |
| |
| var expected = lodashStable.map(primitives, function(value) { |
| return typeof value == 'string' ? ['0'] : []; |
| }); |
| |
| var actual = lodashStable.map(primitives, func); |
| assert.deepEqual(actual, expected); |
| |
| // IE 9 doesn't box numbers in for-in loops. |
| numberProto.a = 1; |
| assert.deepEqual(func(0), isKeys ? [] : ['a']); |
| delete numberProto.a; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat sparse arrays as dense', function(assert) { |
| assert.expect(1); |
| |
| var array = [1]; |
| array[2] = 3; |
| |
| var actual = func(array).sort(); |
| |
| assert.deepEqual(actual, ['0', '1', '2']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not coerce nullish values to objects', function(assert) { |
| assert.expect(2); |
| |
| objectProto.a = 1; |
| lodashStable.each([null, undefined], function(value) { |
| assert.deepEqual(func(value), []); |
| }); |
| delete objectProto.a; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return keys for custom properties on arrays', function(assert) { |
| assert.expect(1); |
| |
| var array = [1]; |
| array.a = 1; |
| |
| var actual = func(array).sort(); |
| |
| assert.deepEqual(actual, ['0', 'a']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of arrays', function(assert) { |
| assert.expect(1); |
| |
| arrayProto.a = 1; |
| |
| var expected = isKeys ? ['0'] : ['0', 'a'], |
| actual = func([1]).sort(); |
| |
| assert.deepEqual(actual, expected); |
| |
| delete arrayProto.a; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| var values = [args, strictArgs], |
| expected = lodashStable.map(values, lodashStable.constant(['0', '1', '2'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value).sort(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return keys for custom properties on `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| var values = [args, strictArgs], |
| expected = lodashStable.map(values, lodashStable.constant(['0', '1', '2', 'a'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| value.a = 1; |
| var result = func(value).sort(); |
| delete value.a; |
| return result; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| var values = [args, strictArgs], |
| expected = lodashStable.map(values, lodashStable.constant(isKeys ? ['0', '1', '2'] : ['0', '1', '2', 'a'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| objectProto.a = 1; |
| var result = func(value).sort(); |
| delete objectProto.a; |
| return result; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with string objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(Object('abc')).sort(); |
| |
| assert.deepEqual(actual, ['0', '1', '2']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return keys for custom properties on string objects', function(assert) { |
| assert.expect(1); |
| |
| var object = Object('a'); |
| object.a = 1; |
| |
| var actual = func(object).sort(); |
| |
| assert.deepEqual(actual, ['0', 'a']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isKeys ? 'not ' : '') + 'include inherited string keyed properties of string objects', function(assert) { |
| assert.expect(1); |
| |
| stringProto.a = 1; |
| |
| var expected = isKeys ? ['0'] : ['0', 'a'], |
| actual = func(Object('a')).sort(); |
| |
| assert.deepEqual(actual, expected); |
| |
| delete stringProto.a; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` skips the `constructor` property on prototype objects', function(assert) { |
| assert.expect(3); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| var expected = ['a']; |
| assert.deepEqual(func(Foo.prototype), expected); |
| |
| Foo.prototype = { 'constructor': Foo, 'a': 1 }; |
| assert.deepEqual(func(Foo.prototype), expected); |
| |
| var Fake = { 'prototype': {} }; |
| Fake.prototype.constructor = Fake; |
| assert.deepEqual(func(Fake.prototype), ['constructor']); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.last'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| QUnit.test('should return the last element', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.last(array), 4); |
| }); |
| |
| QUnit.test('should return `undefined` when querying empty arrays', function(assert) { |
| assert.expect(1); |
| |
| var array = []; |
| array['-1'] = 1; |
| |
| assert.strictEqual(_.last([]), undefined); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.last); |
| |
| assert.deepEqual(actual, [3, 6, 9]); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(array).last(), 4); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).chain().last() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should not execute immediately when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(array).chain().last(); |
| assert.strictEqual(wrapped.__wrapped__, array); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var largeArray = lodashStable.range(LARGE_ARRAY_SIZE), |
| smallArray = array; |
| |
| lodashStable.times(2, function(index) { |
| var array = index ? largeArray : smallArray, |
| wrapped = _(array).filter(isEven); |
| |
| assert.strictEqual(wrapped.last(), _.last(_.filter(array, isEven))); |
| }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.lowerCase'); |
| |
| (function() { |
| QUnit.test('should lowercase as space-separated words', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.lowerCase('--Foo-Bar--'), 'foo bar'); |
| assert.strictEqual(_.lowerCase('fooBar'), 'foo bar'); |
| assert.strictEqual(_.lowerCase('__FOO_BAR__'), 'foo bar'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.lowerFirst'); |
| |
| (function() { |
| QUnit.test('should lowercase only the first character', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.lowerFirst('fred'), 'fred'); |
| assert.strictEqual(_.lowerFirst('Fred'), 'fred'); |
| assert.strictEqual(_.lowerFirst('FRED'), 'fRED'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.lt'); |
| |
| (function() { |
| QUnit.test('should return `true` if `value` is less than `other`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.lt(1, 3), true); |
| assert.strictEqual(_.lt('abc', 'def'), true); |
| }); |
| |
| QUnit.test('should return `false` if `value` >= `other`', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.lt(3, 1), false); |
| assert.strictEqual(_.lt(3, 3), false); |
| assert.strictEqual(_.lt('def', 'abc'), false); |
| assert.strictEqual(_.lt('def', 'def'), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.lte'); |
| |
| (function() { |
| QUnit.test('should return `true` if `value` is <= `other`', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.lte(1, 3), true); |
| assert.strictEqual(_.lte(3, 3), true); |
| assert.strictEqual(_.lte('abc', 'def'), true); |
| assert.strictEqual(_.lte('def', 'def'), true); |
| }); |
| |
| QUnit.test('should return `false` if `value` > `other`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.lt(3, 1), false); |
| assert.strictEqual(_.lt('def', 'abc'), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.lastIndexOf'); |
| |
| (function() { |
| var array = [1, 2, 3, 1, 2, 3]; |
| |
| QUnit.test('should return the index of the last matched value', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.lastIndexOf(array, 3), 5); |
| }); |
| |
| QUnit.test('should work with a positive `fromIndex`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.lastIndexOf(array, 1, 2), 0); |
| }); |
| |
| QUnit.test('should work with `fromIndex` >= `array.length`', function(assert) { |
| assert.expect(1); |
| |
| var values = [6, 8, Math.pow(2, 32), Infinity], |
| expected = lodashStable.map(values, lodashStable.constant([-1, 3, -1])); |
| |
| var actual = lodashStable.map(values, function(fromIndex) { |
| return [ |
| _.lastIndexOf(array, undefined, fromIndex), |
| _.lastIndexOf(array, 1, fromIndex), |
| _.lastIndexOf(array, '', fromIndex) |
| ]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `fromIndex`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.lastIndexOf(array, 2, -3), 1); |
| }); |
| |
| QUnit.test('should work with a negative `fromIndex` <= `-array.length`', function(assert) { |
| assert.expect(1); |
| |
| var values = [-6, -8, -Infinity], |
| expected = lodashStable.map(values, alwaysZero); |
| |
| var actual = lodashStable.map(values, function(fromIndex) { |
| return _.lastIndexOf(array, 1, fromIndex); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat falsey `fromIndex` values correctly', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? 5 : -1; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(fromIndex) { |
| return _.lastIndexOf(array, 3, fromIndex); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce `fromIndex` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.lastIndexOf(array, 2, 4.2), 4); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('indexOf methods'); |
| |
| lodashStable.each(['indexOf', 'lastIndexOf', 'sortedIndexOf', 'sortedLastIndexOf'], function(methodName) { |
| var func = _[methodName], |
| isIndexOf = !/last/i.test(methodName), |
| isSorted = /^sorted/.test(methodName); |
| |
| QUnit.test('`_.' + methodName + '` should accept a falsey `array` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, lodashStable.constant(-1)); |
| |
| var actual = lodashStable.map(falsey, function(array, index) { |
| try { |
| return index ? func(array) : func(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `-1` for an unmatched value', function(assert) { |
| assert.expect(5); |
| |
| var array = [1, 2, 3], |
| empty = []; |
| |
| assert.strictEqual(func(array, 4), -1); |
| assert.strictEqual(func(array, 4, true), -1); |
| assert.strictEqual(func(array, undefined, true), -1); |
| |
| assert.strictEqual(func(empty, undefined), -1); |
| assert.strictEqual(func(empty, undefined, true), -1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not match values on empty arrays', function(assert) { |
| assert.expect(2); |
| |
| var array = []; |
| array[-1] = 0; |
| |
| assert.strictEqual(func(array, undefined), -1); |
| assert.strictEqual(func(array, 0, true), -1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) { |
| assert.expect(3); |
| |
| var array = isSorted |
| ? [1, 2, NaN, NaN] |
| : [1, NaN, 3, NaN, 5, NaN]; |
| |
| if (isSorted) { |
| assert.strictEqual(func(array, NaN, true), isIndexOf ? 2 : 3); |
| skipAssert(assert, 2); |
| } |
| else { |
| assert.strictEqual(func(array, NaN), isIndexOf ? 1 : 5); |
| assert.strictEqual(func(array, NaN, 2), isIndexOf ? 3 : 1); |
| assert.strictEqual(func(array, NaN, -2), isIndexOf ? 5 : 3); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(func([-0], 0), 0); |
| assert.strictEqual(func([0], -0), 0); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.map'); |
| |
| (function() { |
| var array = [1, 2]; |
| |
| QUnit.test('should map values in `collection` to a new array', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| expected = ['1', '2']; |
| |
| assert.deepEqual(_.map(array, String), expected); |
| assert.deepEqual(_.map(object, String), expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': 'x' }, { 'a': 'y' }]; |
| assert.deepEqual(_.map(objects, 'a'), ['x', 'y']); |
| }); |
| |
| QUnit.test('should iterate over own string keyed properties of objects', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var actual = _.map(new Foo, identity); |
| assert.deepEqual(actual, [1]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2])); |
| |
| lodashStable.each([array, object], function(collection) { |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.map(collection, value) : _.map(collection); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should accept a falsey `collection` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(falsey, function(collection, index) { |
| try { |
| return index ? _.map(collection) : _.map(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat number values for `collection` as empty', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.map(1), []); |
| }); |
| |
| QUnit.test('should treat a nodelist as an array-like object', function(assert) { |
| assert.expect(1); |
| |
| if (document) { |
| var actual = _.map(document.getElementsByTagName('body'), function(element) { |
| return element.nodeName.toLowerCase(); |
| }); |
| |
| assert.deepEqual(actual, ['body']); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work with objects with non-number length properties', function(assert) { |
| assert.expect(1); |
| |
| var value = { 'value': 'x' }, |
| object = { 'length': { 'value': 'x' } }; |
| |
| assert.deepEqual(_.map(object, identity), [value]); |
| }); |
| |
| QUnit.test('should return a wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).map(noop) instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var args, |
| array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| expected = [1, 0, _.map(array.slice(1), square)]; |
| |
| _(array).slice(1).map(function(value, index, array) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, [1, 0, array.slice(1)]); |
| |
| args = undefined; |
| _(array).slice(1).map(square).map(function(value, index, array) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| _(array).slice(1).map(square).map(function(value, index) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| _(array).slice(1).map(square).map(function(value) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, [1]); |
| |
| args = undefined; |
| _(array).slice(1).map(square).map(function() { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mapKeys'); |
| |
| (function() { |
| var array = [1, 2], |
| object = { 'a': 1, 'b': 2 }; |
| |
| QUnit.test('should map keys in `object` to a new object', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapKeys(object, String); |
| assert.deepEqual(actual, { '1': 1, '2': 2 }); |
| }); |
| |
| QUnit.test('should treat arrays like objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapKeys(array, String); |
| assert.deepEqual(actual, { '1': 1, '2': 2 }); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapKeys({ 'a': { 'b': 'c' } }, 'b'); |
| assert.deepEqual(actual, { 'c': { 'b': 'c' } }); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant({ '1': 1, '2': 2 })); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.mapKeys(object, value) : _.mapKeys(object); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mapValues'); |
| |
| (function() { |
| var array = [1, 2], |
| object = { 'a': 1, 'b': 2 }; |
| |
| QUnit.test('should map values in `object` to a new object', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapValues(object, String); |
| assert.deepEqual(actual, { 'a': '1', 'b': '2' }); |
| }); |
| |
| QUnit.test('should treat arrays like objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapValues(array, String); |
| assert.deepEqual(actual, { '0': '1', '1': '2' }); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mapValues({ 'a': { 'b': 1 } }, 'b'); |
| assert.deepEqual(actual, { 'a': 1 }); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([true, false])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var result = index ? _.mapValues(object, value) : _.mapValues(object); |
| return [lodashStable.isEqual(result, object), result === object]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mapKeys and lodash.mapValues'); |
| |
| lodashStable.each(['mapKeys', 'mapValues'], function(methodName) { |
| var func = _[methodName], |
| object = { 'a': 1, 'b': 2 }; |
| |
| QUnit.test('`_.' + methodName + '` should iterate over own string keyed properties of objects', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 'a'; |
| } |
| Foo.prototype.b = 'b'; |
| |
| var actual = func(new Foo, function(value, key) { return key; }); |
| assert.deepEqual(actual, { 'a': 'a' }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should accept a falsey `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyObject); |
| |
| var actual = lodashStable.map(falsey, function(object, index) { |
| try { |
| return index ? func(object) : func(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(object)[methodName](noop) instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.matches'); |
| |
| (function() { |
| QUnit.test('should create a function that performs a deep comparison between `source` and a given object', function(assert) { |
| assert.expect(6); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| matches = _.matches({ 'a': 1 }); |
| |
| assert.strictEqual(matches.length, 1); |
| assert.strictEqual(matches(object), true); |
| |
| matches = _.matches({ 'b': 1 }); |
| assert.strictEqual(matches(object), false); |
| |
| matches = _.matches({ 'a': 1, 'c': 3 }); |
| assert.strictEqual(matches(object), true); |
| |
| matches = _.matches({ 'c': 3, 'd': 4 }); |
| assert.strictEqual(matches(object), false); |
| |
| object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 }; |
| matches = _.matches({ 'a': { 'b': { 'c': 1 } } }); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should match inherited string keyed `object` properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var object = { 'a': new Foo }, |
| matches = _.matches({ 'a': { 'b': 2 } }); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should not match by inherited `source` properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': 2 }], |
| source = new Foo, |
| actual = lodashStable.map(objects, _.matches(source)), |
| expected = lodashStable.map(objects, alwaysTrue); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should compare a variety of `source` property values', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } }, |
| object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } }, |
| matches = _.matches(object1); |
| |
| assert.strictEqual(matches(object1), true); |
| assert.strictEqual(matches(object2), false); |
| }); |
| |
| QUnit.test('should match `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': -0 }, |
| object2 = { 'a': 0 }, |
| matches = _.matches(object1); |
| |
| assert.strictEqual(matches(object2), true); |
| |
| matches = _.matches(object2); |
| assert.strictEqual(matches(object1), true); |
| }); |
| |
| QUnit.test('should compare functions by reference', function(assert) { |
| assert.expect(3); |
| |
| var object1 = { 'a': lodashStable.noop }, |
| object2 = { 'a': noop }, |
| object3 = { 'a': {} }, |
| matches = _.matches(object1); |
| |
| assert.strictEqual(matches(object1), true); |
| assert.strictEqual(matches(object2), false); |
| assert.strictEqual(matches(object3), false); |
| }); |
| |
| QUnit.test('should work with a function for `object`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = { 'b': 1, 'c': 2 }; |
| |
| var matches = _.matches({ 'a': { 'b': 1 } }); |
| assert.strictEqual(matches(Foo), true); |
| }); |
| |
| QUnit.test('should work with a function for `source`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = 1; |
| Foo.b = function() {}; |
| Foo.c = 3; |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': Foo.b, 'c': 3 }], |
| actual = lodashStable.map(objects, _.matches(Foo)); |
| |
| assert.deepEqual(actual, [false, true]); |
| }); |
| |
| QUnit.test('should work with a non-plain `object`', function(assert) { |
| assert.expect(1); |
| |
| function Foo(object) { lodashStable.assign(this, object); } |
| |
| var object = new Foo({ 'a': new Foo({ 'b': 1, 'c': 2 }) }), |
| matches = _.matches({ 'a': { 'b': 1 } }); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should partial match arrays', function(assert) { |
| assert.expect(3); |
| |
| var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }], |
| actual = lodashStable.filter(objects, _.matches({ 'a': ['d'] })); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| actual = lodashStable.filter(objects, _.matches({ 'a': ['b', 'd'] })); |
| assert.deepEqual(actual, []); |
| |
| actual = lodashStable.filter(objects, _.matches({ 'a': ['d', 'b'] })); |
| assert.deepEqual(actual, []); |
| }); |
| |
| QUnit.test('should partial match arrays of objects', function(assert) { |
| assert.expect(1); |
| |
| var objects = [ |
| { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 5, 'd': 6 }] }, |
| { 'a': [{ 'b': 1, 'c': 2 }, { 'b': 4, 'c': 6, 'd': 7 }] } |
| ]; |
| |
| var actual = lodashStable.filter(objects, _.matches({ 'a': [{ 'b': 1 }, { 'b': 4, 'c': 5 }] })); |
| assert.deepEqual(actual, [objects[0]]); |
| }); |
| |
| QUnit.test('should partial match maps', function(assert) { |
| assert.expect(3); |
| |
| if (Map) { |
| var objects = [{ 'a': new Map }, { 'a': new Map }]; |
| objects[0].a.set('a', 1); |
| objects[1].a.set('a', 1); |
| objects[1].a.set('b', 2); |
| |
| var map = new Map; |
| map.set('b', 2); |
| var actual = lodashStable.filter(objects, _.matches({ 'a': map })); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| map['delete']('b'); |
| actual = lodashStable.filter(objects, _.matches({ 'a': map })); |
| |
| assert.deepEqual(actual, objects); |
| |
| map.set('c', 3); |
| actual = lodashStable.filter(objects, _.matches({ 'a': map })); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should partial match sets', function(assert) { |
| assert.expect(3); |
| |
| if (Set) { |
| var objects = [{ 'a': new Set }, { 'a': new Set }]; |
| objects[0].a.add(1); |
| objects[1].a.add(1); |
| objects[1].a.add(2); |
| |
| var set = new Set; |
| set.add(2); |
| var actual = lodashStable.filter(objects, _.matches({ 'a': set })); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| set['delete'](2); |
| actual = lodashStable.filter(objects, _.matches({ 'a': set })); |
| |
| assert.deepEqual(actual, objects); |
| |
| set.add(3); |
| actual = lodashStable.filter(objects, _.matches({ 'a': set })); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should match `undefined` values', function(assert) { |
| assert.expect(3); |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }], |
| actual = lodashStable.map(objects, _.matches({ 'b': undefined })), |
| expected = [false, false, true]; |
| |
| assert.deepEqual(actual, expected); |
| |
| actual = lodashStable.map(objects, _.matches({ 'a': 1, 'b': undefined })); |
| |
| assert.deepEqual(actual, expected); |
| |
| objects = [{ 'a': { 'b': 1 } }, { 'a': { 'b': 1, 'c': 1 } }, { 'a': { 'b': 1, 'c': undefined } }]; |
| actual = lodashStable.map(objects, _.matches({ 'a': { 'c': undefined } })); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match `undefined` values on primitives', function(assert) { |
| assert.expect(3); |
| |
| numberProto.a = 1; |
| numberProto.b = undefined; |
| |
| try { |
| var matches = _.matches({ 'b': undefined }); |
| assert.strictEqual(matches(1), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| try { |
| matches = _.matches({ 'a': 1, 'b': undefined }); |
| assert.strictEqual(matches(1), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| numberProto.a = { 'b': 1, 'c': undefined }; |
| try { |
| matches = _.matches({ 'a': { 'c': undefined } }); |
| assert.strictEqual(matches(1), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| delete numberProto.a; |
| delete numberProto.b; |
| }); |
| |
| QUnit.test('should return `false` when `object` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse), |
| matches = _.matches({ 'a': 1 }); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? matches(value) : matches(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source` to a nullish `object`', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysTrue), |
| matches = _.matches({}); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? matches(value) : matches(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing an empty `source`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }, |
| expected = lodashStable.map(empties, alwaysTrue); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| var matches = _.matches(value); |
| return matches(object); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` when comparing a `source` of empty arrays and objects', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }], |
| actual = lodashStable.filter(objects, _.matches({ 'a': [], 'b': {} })); |
| |
| assert.deepEqual(actual, objects); |
| }); |
| |
| QUnit.test('should not change behavior if `source` is modified', function(assert) { |
| assert.expect(9); |
| |
| var sources = [ |
| { 'a': { 'b': 2, 'c': 3 } }, |
| { 'a': 1, 'b': 2 }, |
| { 'a': 1 } |
| ]; |
| |
| lodashStable.each(sources, function(source, index) { |
| var object = lodashStable.cloneDeep(source), |
| matches = _.matches(source); |
| |
| assert.strictEqual(matches(object), true); |
| |
| if (index) { |
| source.a = 2; |
| source.b = 1; |
| source.c = 3; |
| } else { |
| source.a.b = 1; |
| source.a.c = 2; |
| source.a.d = 3; |
| } |
| assert.strictEqual(matches(object), true); |
| assert.strictEqual(matches(source), false); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.matchesProperty'); |
| |
| (function() { |
| QUnit.test('should create a function that performs a deep comparison between a property value and `srcValue`', function(assert) { |
| assert.expect(6); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| matches = _.matchesProperty('a', 1); |
| |
| assert.strictEqual(matches.length, 1); |
| assert.strictEqual(matches(object), true); |
| |
| matches = _.matchesProperty('b', 3); |
| assert.strictEqual(matches(object), false); |
| |
| matches = _.matchesProperty('a', { 'a': 1, 'c': 3 }); |
| assert.strictEqual(matches({ 'a': object }), true); |
| |
| matches = _.matchesProperty('a', { 'c': 3, 'd': 4 }); |
| assert.strictEqual(matches(object), false); |
| |
| object = { 'a': { 'b': { 'c': 1, 'd': 2 }, 'e': 3 }, 'f': 4 }; |
| matches = _.matchesProperty('a', { 'b': { 'c': 1 } }); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should support deep paths', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var matches = _.matchesProperty(path, 2); |
| assert.strictEqual(matches(object), true); |
| }); |
| }); |
| |
| QUnit.test('should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3]; |
| |
| lodashStable.each([1, [1]], function(path) { |
| var matches = _.matchesProperty(path, 2); |
| assert.strictEqual(matches(array), true); |
| }); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { '-0': 'a' }, |
| object2 = { '0': 'b' }, |
| pairs = [[object1, object2], [object1, object2], [object2, object1], [object2, object1]], |
| props = [-0, Object(-0), 0, Object(0)], |
| values = ['a', 'a', 'b', 'b'], |
| expected = lodashStable.map(props, lodashStable.constant([true, false])); |
| |
| var actual = lodashStable.map(props, function(key, index) { |
| var matches = _.matchesProperty(key, values[index]), |
| pair = pairs[index]; |
| |
| return [matches(pair[0]), matches(pair[1])]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce key to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }], |
| values = [null, undefined, fn, {}]; |
| |
| var expected = lodashStable.transform(values, function(result) { |
| result.push(true, true); |
| }); |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var matches = _.matchesProperty(path, object[key]); |
| result.push(matches(object)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': 1, 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| var matches = _.matchesProperty(path, 1); |
| assert.strictEqual(matches(object), true); |
| }); |
| }); |
| |
| QUnit.test('should return `false` if parts of `path` are missing', function(assert) { |
| assert.expect(4); |
| |
| var object = {}; |
| |
| lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) { |
| var matches = _.matchesProperty(path, 1); |
| assert.strictEqual(matches(object), false); |
| }); |
| }); |
| |
| QUnit.test('should return `false` for deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var matches = _.matchesProperty(path, 1); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? matches(value) : matches(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should match inherited string keyed `srcValue` properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.b = 2; |
| |
| var object = { 'a': new Foo }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var matches = _.matchesProperty(path, { 'b': 2 }); |
| assert.strictEqual(matches(object), true); |
| }); |
| }); |
| |
| QUnit.test('should not match by inherited `srcValue` properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': 2 } }], |
| expected = lodashStable.map(objects, alwaysTrue); |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| assert.deepEqual(lodashStable.map(objects, _.matchesProperty(path, new Foo)), expected); |
| }); |
| }); |
| |
| QUnit.test('should compare a variety of values', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': false, 'b': true, 'c': '3', 'd': 4, 'e': [5], 'f': { 'g': 6 } }, |
| object2 = { 'a': 0, 'b': 1, 'c': 3, 'd': '4', 'e': ['5'], 'f': { 'g': '6' } }, |
| matches = _.matchesProperty('a', object1); |
| |
| assert.strictEqual(matches({ 'a': object1 }), true); |
| assert.strictEqual(matches({ 'a': object2 }), false); |
| }); |
| |
| QUnit.test('should match `-0` as `0`', function(assert) { |
| assert.expect(2); |
| |
| var matches = _.matchesProperty('a', -0); |
| assert.strictEqual(matches({ 'a': 0 }), true); |
| |
| matches = _.matchesProperty('a', 0); |
| assert.strictEqual(matches({ 'a': -0 }), true); |
| }); |
| |
| QUnit.test('should compare functions by reference', function(assert) { |
| assert.expect(3); |
| |
| var object1 = { 'a': lodashStable.noop }, |
| object2 = { 'a': noop }, |
| object3 = { 'a': {} }, |
| matches = _.matchesProperty('a', object1); |
| |
| assert.strictEqual(matches({ 'a': object1 }), true); |
| assert.strictEqual(matches({ 'a': object2 }), false); |
| assert.strictEqual(matches({ 'a': object3 }), false); |
| }); |
| |
| QUnit.test('should work with a function for `srcValue`', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.a = 1; |
| Foo.b = function() {}; |
| Foo.c = 3; |
| |
| var objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': Foo.b, 'c': 3 } }], |
| actual = lodashStable.map(objects, _.matchesProperty('a', Foo)); |
| |
| assert.deepEqual(actual, [false, true]); |
| }); |
| |
| QUnit.test('should work with a non-plain `srcValue`', function(assert) { |
| assert.expect(1); |
| |
| function Foo(object) { lodashStable.assign(this, object); } |
| |
| var object = new Foo({ 'a': new Foo({ 'b': 1, 'c': 2 }) }), |
| matches = _.matchesProperty('a', { 'b': 1 }); |
| |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| QUnit.test('should partial match arrays', function(assert) { |
| assert.expect(3); |
| |
| var objects = [{ 'a': ['b'] }, { 'a': ['c', 'd'] }], |
| actual = lodashStable.filter(objects, _.matchesProperty('a', ['d'])); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| actual = lodashStable.filter(objects, _.matchesProperty('a', ['b', 'd'])); |
| assert.deepEqual(actual, []); |
| |
| actual = lodashStable.filter(objects, _.matchesProperty('a', ['d', 'b'])); |
| assert.deepEqual(actual, []); |
| }); |
| |
| QUnit.test('should partial match arrays of objects', function(assert) { |
| assert.expect(1); |
| |
| var objects = [ |
| { 'a': [{ 'a': 1, 'b': 2 }, { 'a': 4, 'b': 5, 'c': 6 }] }, |
| { 'a': [{ 'a': 1, 'b': 2 }, { 'a': 4, 'b': 6, 'c': 7 }] } |
| ]; |
| |
| var actual = lodashStable.filter(objects, _.matchesProperty('a', [{ 'a': 1 }, { 'a': 4, 'b': 5 }])); |
| assert.deepEqual(actual, [objects[0]]); |
| }); |
| QUnit.test('should partial match maps', function(assert) { |
| assert.expect(3); |
| |
| if (Map) { |
| var objects = [{ 'a': new Map }, { 'a': new Map }]; |
| objects[0].a.set('a', 1); |
| objects[1].a.set('a', 1); |
| objects[1].a.set('b', 2); |
| |
| var map = new Map; |
| map.set('b', 2); |
| var actual = lodashStable.filter(objects, _.matchesProperty('a', map)); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| map['delete']('b'); |
| actual = lodashStable.filter(objects, _.matchesProperty('a', map)); |
| |
| assert.deepEqual(actual, objects); |
| |
| map.set('c', 3); |
| actual = lodashStable.filter(objects, _.matchesProperty('a', map)); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should partial match sets', function(assert) { |
| assert.expect(3); |
| |
| if (Set) { |
| var objects = [{ 'a': new Set }, { 'a': new Set }]; |
| objects[0].a.add(1); |
| objects[1].a.add(1); |
| objects[1].a.add(2); |
| |
| var set = new Set; |
| set.add(2); |
| var actual = lodashStable.filter(objects, _.matchesProperty('a', set)); |
| |
| assert.deepEqual(actual, [objects[1]]); |
| |
| set['delete'](2); |
| actual = lodashStable.filter(objects, _.matchesProperty('a', set)); |
| |
| assert.deepEqual(actual, objects); |
| |
| set.add(3); |
| actual = lodashStable.filter(objects, _.matchesProperty('a', set)); |
| |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should match `undefined` values', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 1 }, { 'a': 1, 'b': 1 }, { 'a': 1, 'b': undefined }], |
| actual = lodashStable.map(objects, _.matchesProperty('b', undefined)), |
| expected = [false, false, true]; |
| |
| assert.deepEqual(actual, expected); |
| |
| objects = [{ 'a': { 'a': 1 } }, { 'a': { 'a': 1, 'b': 1 } }, { 'a': { 'a': 1, 'b': undefined } }]; |
| actual = lodashStable.map(objects, _.matchesProperty('a', { 'b': undefined })); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match `undefined` values of nested objects', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': { 'b': undefined } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var matches = _.matchesProperty(path, undefined); |
| assert.strictEqual(matches(object), true); |
| }); |
| |
| lodashStable.each(['a.a', ['a', 'a']], function(path) { |
| var matches = _.matchesProperty(path, undefined); |
| assert.strictEqual(matches(object), false); |
| }); |
| }); |
| |
| QUnit.test('should match `undefined` values on primitives', function(assert) { |
| assert.expect(2); |
| |
| numberProto.a = 1; |
| numberProto.b = undefined; |
| |
| try { |
| var matches = _.matchesProperty('b', undefined); |
| assert.strictEqual(matches(1), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| numberProto.a = { 'b': 1, 'c': undefined }; |
| try { |
| matches = _.matchesProperty('a', { 'c': undefined }); |
| assert.strictEqual(matches(1), true); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| delete numberProto.a; |
| delete numberProto.b; |
| }); |
| |
| QUnit.test('should return `false` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var matches = _.matchesProperty(path, 1); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? matches(value) : matches(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `true` when comparing a `srcValue` of empty arrays and objects', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': [1], 'b': { 'c': 1 } }, { 'a': [2, 3], 'b': { 'd': 2 } }], |
| matches = _.matchesProperty('a', { 'a': [], 'b': {} }); |
| |
| var actual = lodashStable.filter(objects, function(object) { |
| return matches({ 'a': object }); |
| }); |
| |
| assert.deepEqual(actual, objects); |
| }); |
| |
| QUnit.test('should not change behavior if `srcValue` is modified', function(assert) { |
| assert.expect(9); |
| |
| lodashStable.each([{ 'a': { 'b': 2, 'c': 3 } }, { 'a': 1, 'b': 2 }, { 'a': 1 }], function(source, index) { |
| var object = lodashStable.cloneDeep(source), |
| matches = _.matchesProperty('a', source); |
| |
| assert.strictEqual(matches({ 'a': object }), true); |
| |
| if (index) { |
| source.a = 2; |
| source.b = 1; |
| source.c = 3; |
| } else { |
| source.a.b = 1; |
| source.a.c = 2; |
| source.a.d = 3; |
| } |
| assert.strictEqual(matches({ 'a': object }), true); |
| assert.strictEqual(matches({ 'a': source }), false); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.max'); |
| |
| (function() { |
| QUnit.test('should return the largest value from a collection', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.max([1, 2, 3]), 3); |
| }); |
| |
| QUnit.test('should return `undefined` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat([[]]), |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? _.max(value) : _.max(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with non-numeric collection values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.max(['a', 'b']), 'b'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mean'); |
| |
| (function() { |
| QUnit.test('should return the mean of an array of numbers', function(assert) { |
| assert.expect(1); |
| |
| var array = [4, 2, 8, 6]; |
| assert.strictEqual(_.mean(array), 5); |
| }); |
| |
| QUnit.test('should return `NaN` when passing empty `array` values', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysNaN), |
| actual = lodashStable.map(empties, _.mean); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.meanBy'); |
| |
| (function() { |
| var objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }]; |
| |
| QUnit.test('should work with an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.meanBy(objects, function(object) { |
| return object.a; |
| }); |
| |
| assert.deepEqual(actual, 2); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.meanBy(objects, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [{ 'a': 2 }]); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var arrays = [[2], [3], [1]]; |
| assert.strictEqual(_.meanBy(arrays, 0), 2); |
| assert.strictEqual(_.meanBy(objects, 'a'), 2); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.memoize'); |
| |
| (function() { |
| QUnit.test('should memoize results based on the first argument given', function(assert) { |
| assert.expect(2); |
| |
| var memoized = _.memoize(function(a, b, c) { |
| return a + b + c; |
| }); |
| |
| assert.strictEqual(memoized(1, 2, 3), 6); |
| assert.strictEqual(memoized(1, 3, 5), 6); |
| }); |
| |
| QUnit.test('should support a `resolver` argument', function(assert) { |
| assert.expect(2); |
| |
| var fn = function(a, b, c) { return a + b + c; }, |
| memoized = _.memoize(fn, fn); |
| |
| assert.strictEqual(memoized(1, 2, 3), 6); |
| assert.strictEqual(memoized(1, 3, 5), 9); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `resolver`', function(assert) { |
| assert.expect(2); |
| |
| var fn = function(a, b, c) { return a + this.b + this.c; }, |
| memoized = _.memoize(fn, fn); |
| |
| var object = { 'memoized': memoized, 'b': 2, 'c': 3 }; |
| assert.strictEqual(object.memoized(1), 6); |
| |
| object.b = 3; |
| object.c = 5; |
| assert.strictEqual(object.memoized(1), 9); |
| }); |
| |
| QUnit.test('should throw a TypeError if `resolve` is truthy and not a function', function(assert) { |
| assert.expect(1); |
| |
| assert.raises(function() { _.memoize(noop, true); }, TypeError); |
| }); |
| |
| QUnit.test('should not error if `resolver` is falsey', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(resolver, index) { |
| try { |
| return _.isFunction(index ? _.memoize(noop, resolver) : _.memoize(noop)); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should check cache for own properties', function(assert) { |
| assert.expect(1); |
| |
| var props = [ |
| 'constructor', |
| 'hasOwnProperty', |
| 'isPrototypeOf', |
| 'propertyIsEnumerable', |
| 'toLocaleString', |
| 'toString', |
| 'valueOf' |
| ]; |
| |
| var memoized = _.memoize(identity); |
| |
| var actual = lodashStable.map(props, function(value) { |
| return memoized(value); |
| }); |
| |
| assert.deepEqual(actual, props); |
| }); |
| |
| QUnit.test('should cache the `__proto__` key', function(assert) { |
| assert.expect(8); |
| |
| var array = [], |
| key = '__proto__'; |
| |
| lodashStable.times(2, function(index) { |
| var count = 0, |
| resolver = index && identity; |
| |
| var memoized = _.memoize(function() { |
| count++; |
| return array; |
| }, resolver); |
| |
| var cache = memoized.cache; |
| |
| memoized(key); |
| memoized(key); |
| |
| assert.strictEqual(count, 1); |
| assert.strictEqual(cache.get(key), array); |
| assert.notOk(cache.__data__ instanceof Array); |
| assert.strictEqual(cache['delete'](key), true); |
| }); |
| }); |
| |
| QUnit.test('should allow `_.memoize.Cache` to be customized', function(assert) { |
| assert.expect(4); |
| |
| var oldCache = _.memoize.Cache; |
| |
| function Cache() { |
| this.__data__ = []; |
| } |
| |
| Cache.prototype = { |
| 'get': function(key) { |
| var entry = _.find(this.__data__, function(entry) { |
| return key === entry.key; |
| }); |
| return entry && entry.value; |
| }, |
| 'has': function(key) { |
| return _.some(this.__data__, function(entry) { |
| return key === entry.key; |
| }); |
| }, |
| 'set': function(key, value) { |
| this.__data__.push({ 'key': key, 'value': value }); |
| return this; |
| } |
| }; |
| |
| _.memoize.Cache = Cache; |
| |
| var memoized = _.memoize(function(object) { |
| return 'value:' + object.id; |
| }); |
| |
| var cache = memoized.cache, |
| key1 = { 'id': 'a' }, |
| key2 = { 'id': 'b' }; |
| |
| assert.strictEqual(memoized(key1), 'value:a'); |
| assert.strictEqual(cache.has(key1), true); |
| |
| assert.strictEqual(memoized(key2), 'value:b'); |
| assert.strictEqual(cache.has(key2), true); |
| |
| _.memoize.Cache = oldCache; |
| }); |
| |
| QUnit.test('should works with an immutable `_.memoize.Cache` ', function(assert) { |
| assert.expect(2); |
| |
| var oldCache = _.memoize.Cache; |
| |
| function Cache() { |
| this.__data__ = []; |
| } |
| |
| Cache.prototype = { |
| 'get': function(key) { |
| return _.find(this.__data__, function(entry) { |
| return key === entry.key; |
| }).value; |
| }, |
| 'has': function(key) { |
| return _.some(this.__data__, function(entry) { |
| return key === entry.key; |
| }); |
| }, |
| 'set': function(key, value) { |
| var result = new Cache; |
| result.__data__ = this.__data__.concat({ 'key': key, 'value': value }); |
| return result; |
| } |
| }; |
| |
| _.memoize.Cache = Cache; |
| |
| var memoized = _.memoize(function(object) { |
| return object.id; |
| }); |
| |
| var key1 = { 'id': 'a' }, |
| key2 = { 'id': 'b' }; |
| |
| memoized(key1); |
| memoized(key2); |
| |
| var cache = memoized.cache; |
| assert.strictEqual(cache.has(key1), true); |
| assert.strictEqual(cache.has(key2), true); |
| |
| _.memoize.Cache = oldCache; |
| }); |
| |
| QUnit.test('should implement a `Map` interface on the cache object', function(assert) { |
| assert.expect(164); |
| |
| var keys = [null, undefined, false, true, 1, -Infinity, NaN, {}, 'a', symbol || {}]; |
| |
| var pairs = lodashStable.map(keys, function(key, index) { |
| var lastIndex = keys.length - 1; |
| return [key, keys[lastIndex - index]]; |
| }); |
| |
| lodashStable.times(2, function(index) { |
| var memoize = (index ? (lodashBizarro || {}) : _).memoize, |
| Cache = memoize ? memoize.Cache : undefined, |
| cache = Cache ? new Cache(pairs) : undefined; |
| |
| lodashStable.each(keys, function(key, index) { |
| if (cache) { |
| var value = pairs[index][1]; |
| |
| assert.deepEqual(cache.get(key), value); |
| assert.strictEqual(cache.has(key), true); |
| assert.strictEqual(cache['delete'](key), true); |
| assert.strictEqual(cache.has(key), false); |
| assert.strictEqual(cache.get(key), undefined); |
| assert.strictEqual(cache['delete'](key), false); |
| assert.strictEqual(cache.set(key, value), cache); |
| assert.strictEqual(cache.has(key), true); |
| } |
| else { |
| skipAssert(assert, 8); |
| } |
| }); |
| |
| if (cache) { |
| assert.strictEqual(cache.clear(), undefined); |
| assert.ok(lodashStable.every(keys, function(key) { |
| return !cache.has(key); |
| })); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.merge'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should merge `source` into `object`', function(assert) { |
| assert.expect(1); |
| |
| var names = { |
| 'characters': [ |
| { 'name': 'barney' }, |
| { 'name': 'fred' } |
| ] |
| }; |
| |
| var ages = { |
| 'characters': [ |
| { 'age': 36 }, |
| { 'age': 40 } |
| ] |
| }; |
| |
| var heights = { |
| 'characters': [ |
| { 'height': '5\'4"' }, |
| { 'height': '5\'5"' } |
| ] |
| }; |
| |
| var expected = { |
| 'characters': [ |
| { 'name': 'barney', 'age': 36, 'height': '5\'4"' }, |
| { 'name': 'fred', 'age': 40, 'height': '5\'5"' } |
| ] |
| }; |
| |
| assert.deepEqual(_.merge(names, ages, heights), expected); |
| }); |
| |
| QUnit.test('should merge sources containing circular references', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'foo': { 'a': 1 }, |
| 'bar': { 'a': 2 } |
| }; |
| |
| var source = { |
| 'foo': { 'b': { 'c': { 'd': {} } } }, |
| 'bar': {} |
| }; |
| |
| source.foo.b.c.d = source; |
| source.bar.b = source.foo.b; |
| |
| var actual = _.merge(object, source); |
| |
| assert.notStrictEqual(actual.bar.b, actual.foo.b); |
| assert.strictEqual(actual.foo.b.c.d, actual.foo.b.c.d.foo.b.c.d); |
| }); |
| |
| QUnit.test('should work with four arguments', function(assert) { |
| assert.expect(1); |
| |
| var expected = { 'a': 4 }, |
| actual = _.merge({ 'a': 1 }, { 'a': 2 }, { 'a': 3 }, expected); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should merge onto function `object` values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| |
| var source = { 'a': 1 }, |
| actual = _.merge(Foo, source); |
| |
| assert.strictEqual(actual, Foo); |
| assert.strictEqual(Foo.a, 1); |
| }); |
| |
| QUnit.test('should not merge onto nested function values', function(assert) { |
| assert.expect(3); |
| |
| var source1 = { 'a': function() {} }, |
| source2 = { 'a': { 'b': 1 } }, |
| actual = _.merge({}, source1, source2), |
| expected = { 'a': { 'b': 1 } }; |
| |
| assert.deepEqual(actual, expected); |
| |
| source1 = { 'a': function() {} }; |
| source2 = { 'a': { 'b': 1 } }; |
| |
| expected = { 'a': function() {} }; |
| expected.a.b = 1; |
| |
| actual = _.merge(source1, source2); |
| assert.strictEqual(typeof actual.a, 'function'); |
| assert.strictEqual(actual.a.b, 1); |
| }); |
| |
| QUnit.test('should merge onto non-plain `object` values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| |
| var object = new Foo, |
| actual = _.merge(object, { 'a': 1 }); |
| |
| assert.strictEqual(actual, object); |
| assert.strictEqual(object.a, 1); |
| }); |
| |
| QUnit.test('should treat sparse array sources as dense', function(assert) { |
| assert.expect(2); |
| |
| var array = [1]; |
| array[2] = 3; |
| |
| var actual = _.merge([], array), |
| expected = array.slice(); |
| |
| expected[1] = undefined; |
| |
| assert.ok('1' in actual); |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should merge `arguments` objects', function(assert) { |
| assert.expect(7); |
| |
| var object1 = { 'value': args }, |
| object2 = { 'value': { '3': 4 } }, |
| expected = { '0': 1, '1': 2, '2': 3, '3': 4 }, |
| actual = _.merge(object1, object2); |
| |
| assert.notOk('3' in args); |
| assert.notOk(_.isArguments(actual.value)); |
| assert.deepEqual(actual.value, expected); |
| object1.value = args; |
| |
| actual = _.merge(object2, object1); |
| assert.notOk(_.isArguments(actual.value)); |
| assert.deepEqual(actual.value, expected); |
| |
| expected = { '0': 1, '1': 2, '2': 3 }; |
| |
| actual = _.merge({}, object1); |
| assert.notOk(_.isArguments(actual.value)); |
| assert.deepEqual(actual.value, expected); |
| }); |
| |
| QUnit.test('should merge typed arrays', function(assert) { |
| assert.expect(4); |
| |
| var array1 = [0], |
| array2 = [0, 0], |
| array3 = [0, 0, 0, 0], |
| array4 = [0, 0, 0, 0, 0, 0, 0, 0]; |
| |
| var arrays = [array2, array1, array4, array3, array2, array4, array4, array3, array2], |
| buffer = ArrayBuffer && new ArrayBuffer(8); |
| |
| // Juggle for `Float64Array` shim. |
| if (root.Float64Array && (new Float64Array(buffer)).length == 8) { |
| arrays[1] = array4; |
| } |
| var expected = lodashStable.map(typedArrays, function(type, index) { |
| var array = arrays[index].slice(); |
| array[0] = 1; |
| return root[type] ? { 'value': array } : false; |
| }); |
| |
| var actual = lodashStable.map(typedArrays, function(type) { |
| var Ctor = root[type]; |
| return Ctor ? _.merge({ 'value': new Ctor(buffer) }, { 'value': [1] }) : false; |
| }); |
| |
| assert.ok(lodashStable.isArray(actual)); |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(typedArrays, function(type, index) { |
| var array = arrays[index].slice(); |
| array.push(1); |
| return root[type] ? { 'value': array } : false; |
| }); |
| |
| actual = lodashStable.map(typedArrays, function(type, index) { |
| var Ctor = root[type], |
| array = lodashStable.range(arrays[index].length); |
| |
| array.push(1); |
| return Ctor ? _.merge({ 'value': array }, { 'value': new Ctor(buffer) }) : false; |
| }); |
| |
| assert.ok(lodashStable.isArray(actual)); |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should assign `null` values', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.merge({ 'a': 1 }, { 'a': null }); |
| assert.strictEqual(actual.a, null); |
| }); |
| |
| QUnit.test('should assign non array/typed-array/plain-object sources directly', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| |
| var values = [new Foo, new Boolean, new Date, Foo, new Number, new String, new RegExp], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var object = _.merge({}, { 'value': value }); |
| return object.value === value; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should deep clone array/typed-array/plain-object sources', function(assert) { |
| assert.expect(1); |
| |
| var typedArray = Uint8Array |
| ? new Uint8Array(new ArrayBuffer(2)) |
| : { 'buffer': [0, 0] }; |
| |
| var props = ['0', 'a', 'buffer'], |
| values = [[{ 'a': 1 }], { 'a': [1] }, typedArray], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var key = props[index], |
| object = _.merge({}, { 'value': value }), |
| newValue = object.value; |
| |
| return ( |
| newValue !== value && |
| newValue[key] !== value[key] && |
| lodashStable.isEqual(newValue, value) |
| ); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not augment source objects', function(assert) { |
| assert.expect(6); |
| |
| var source1 = { 'a': [{ 'a': 1 }] }, |
| source2 = { 'a': [{ 'b': 2 }] }, |
| actual = _.merge({}, source1, source2); |
| |
| assert.deepEqual(source1.a, [{ 'a': 1 }]); |
| assert.deepEqual(source2.a, [{ 'b': 2 }]); |
| assert.deepEqual(actual.a, [{ 'a': 1, 'b': 2 }]); |
| |
| var source1 = { 'a': [[1, 2, 3]] }, |
| source2 = { 'a': [[3, 4]] }, |
| actual = _.merge({}, source1, source2); |
| |
| assert.deepEqual(source1.a, [[1, 2, 3]]); |
| assert.deepEqual(source2.a, [[3, 4]]); |
| assert.deepEqual(actual.a, [[3, 4, 3]]); |
| }); |
| |
| QUnit.test('should merge plain-objects onto non plain-objects', function(assert) { |
| assert.expect(4); |
| |
| function Foo(object) { |
| lodashStable.assign(this, object); |
| } |
| |
| var object = { 'a': 1 }, |
| actual = _.merge(new Foo, object); |
| |
| assert.ok(actual instanceof Foo); |
| assert.deepEqual(actual, new Foo(object)); |
| |
| actual = _.merge([new Foo], [object]); |
| assert.ok(actual[0] instanceof Foo); |
| assert.deepEqual(actual, [new Foo(object)]); |
| }); |
| |
| QUnit.test('should not assign `undefined` values', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.merge({ 'a': 1 }, { 'a': undefined, 'b': undefined }); |
| assert.deepEqual(actual, { 'a': 1 }); |
| }); |
| |
| QUnit.test('should skip `undefined` values in array sources if a destination value exists', function(assert) { |
| assert.expect(2); |
| |
| var array = [1]; |
| array[2] = 3; |
| |
| var actual = _.merge([4, 5, 6], array), |
| expected = [1, 5, 3]; |
| |
| assert.deepEqual(actual, expected); |
| |
| array = [1, , 3]; |
| array[1] = undefined; |
| |
| actual = _.merge([4, 5, 6], array); |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should skip merging when `object` and `source` are the same value', function(assert) { |
| assert.expect(1); |
| |
| if (defineProperty) { |
| var object = {}, |
| pass = true; |
| |
| defineProperty(object, 'a', { |
| 'enumerable': true, |
| 'configurable': true, |
| 'get': function() { pass = false; }, |
| 'set': function() { pass = false; } |
| }); |
| |
| _.merge(object, object); |
| assert.ok(pass); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should convert values to arrays when merging arrays of `source`', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { '1': 'y', 'b': 'z', 'length': 2 } }, |
| actual = _.merge(object, { 'a': ['x'] }); |
| |
| assert.deepEqual(actual, { 'a': ['x', 'y'] }); |
| |
| actual = _.merge({ 'a': {} }, { 'a': [] }); |
| assert.deepEqual(actual, { 'a': [] }); |
| }); |
| |
| QUnit.test('should not convert strings to arrays when merging arrays of `source`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 'abcde' }, |
| actual = _.merge(object, { 'a': ['x', 'y', 'z'] }); |
| |
| assert.deepEqual(actual, { 'a': ['x', 'y', 'z'] }); |
| }); |
| |
| QUnit.test('should not error on DOM elements', function(assert) { |
| assert.expect(1); |
| |
| var object1 = { 'el': document && document.createElement('div') }, |
| object2 = { 'el': document && document.createElement('div') }, |
| pairs = [[{}, object1], [object1, object2]], |
| expected = lodashStable.map(pairs, alwaysTrue); |
| |
| var actual = lodashStable.map(pairs, function(pair) { |
| try { |
| return _.merge(pair[0], pair[1]).el === pair[1].el; |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mergeWith'); |
| |
| (function() { |
| QUnit.test('should handle merging if `customizer` returns `undefined`', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.mergeWith({ 'a': { 'b': [1, 1] } }, { 'a': { 'b': [0] } }, noop); |
| assert.deepEqual(actual, { 'a': { 'b': [0, 1] } }); |
| |
| actual = _.mergeWith([], [undefined], identity); |
| assert.deepEqual(actual, [undefined]); |
| }); |
| |
| QUnit.test('should defer to `customizer` when it returns a non `undefined` value', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mergeWith({ 'a': { 'b': [0, 1] } }, { 'a': { 'b': [2] } }, function(a, b) { |
| return lodashStable.isArray(a) ? a.concat(b) : undefined; |
| }); |
| |
| assert.deepEqual(actual, { 'a': { 'b': [0, 1, 2] } }); |
| }); |
| |
| QUnit.test('should overwrite primitives with source object clones', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.mergeWith({ 'a': 0 }, { 'a': { 'b': ['c'] } }, function(a, b) { |
| return lodashStable.isArray(a) ? a.concat(b) : undefined; |
| }); |
| |
| assert.deepEqual(actual, { 'a': { 'b': ['c'] } }); |
| }); |
| |
| QUnit.test('should clone sources when `customizer` result is `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var source1 = { 'a': { 'b': { 'c': 1 } } }, |
| source2 = { 'a': { 'b': { 'd': 2 } } }; |
| |
| _.mergeWith({}, source1, source2, noop); |
| assert.deepEqual(source1.a.b, { 'c': 1 }); |
| }); |
| |
| QUnit.test('should pop the stack of sources for each sibling property', function(assert) { |
| assert.expect(1); |
| |
| var array = ['b', 'c'], |
| object = { 'a': ['a'] }, |
| source = { 'a': array, 'b': array }; |
| |
| var actual = _.mergeWith(object, source, function(a, b) { |
| return lodashStable.isArray(a) ? a.concat(b) : undefined; |
| }); |
| |
| assert.deepEqual(actual, { 'a': ['a', 'b', 'c'], 'b': ['b', 'c'] }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.method'); |
| |
| (function() { |
| QUnit.test('should create a function that calls a method of a given object', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': alwaysOne }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method.length, 1); |
| assert.strictEqual(method(object), 1); |
| }); |
| }); |
| |
| QUnit.test('should work with deep property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': alwaysTwo } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(object), 2); |
| }); |
| }); |
| |
| QUnit.test('should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = lodashStable.times(3, _.constant); |
| |
| lodashStable.each([1, [1]], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(array), 1); |
| }); |
| }); |
| |
| QUnit.test('should coerce key to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var expected = [1, 1, 2, 2, 3, 3, 4, 4], |
| objects = [{ 'null': alwaysOne }, { 'undefined': alwaysTwo }, { 'fn': alwaysThree }, { '[object Object]': alwaysFour }], |
| values = [null, undefined, fn, {}]; |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var method = _.method(key); |
| result.push(method(object)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with inherited property values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.a = alwaysOne; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(new Foo), 1); |
| }); |
| }); |
| |
| QUnit.test('should use a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': alwaysOne, 'a': { 'b': alwaysTwo } }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(object), 1); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var method = _.method(path); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? method(value) : method(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var method = _.method(path); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? method(value) : method(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) { |
| assert.expect(4); |
| |
| var object = {}; |
| |
| lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(object), undefined); |
| }); |
| }); |
| |
| QUnit.test('should apply partial arguments to function', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'fn': function() { |
| return slice.call(arguments); |
| } |
| }; |
| |
| lodashStable.each(['fn', ['fn']], function(path) { |
| var method = _.method(path, 1, 2, 3); |
| assert.deepEqual(method(object), [1, 2, 3]); |
| }); |
| }); |
| |
| QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var method = _.method(path); |
| assert.strictEqual(method(object), 1); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.methodOf'); |
| |
| (function() { |
| QUnit.test('should create a function that calls a method of a given key', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': alwaysOne }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var methodOf = _.methodOf(object); |
| assert.strictEqual(methodOf.length, 1); |
| assert.strictEqual(methodOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should work with deep property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': alwaysTwo } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var methodOf = _.methodOf(object); |
| assert.strictEqual(methodOf(path), 2); |
| }); |
| }); |
| |
| QUnit.test('should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = lodashStable.times(3, _.constant); |
| |
| lodashStable.each([1, [1]], function(path) { |
| var methodOf = _.methodOf(array); |
| assert.strictEqual(methodOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should coerce key to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var expected = [1, 1, 2, 2, 3, 3, 4, 4], |
| objects = [{ 'null': alwaysOne }, { 'undefined': alwaysTwo }, { 'fn': alwaysThree }, { '[object Object]': alwaysFour }], |
| values = [null, undefined, fn, {}]; |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var methodOf = _.methodOf(object); |
| result.push(methodOf(key)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with inherited property values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.a = alwaysOne; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var methodOf = _.methodOf(new Foo); |
| assert.strictEqual(methodOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should use a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': alwaysOne, 'a': { 'b': alwaysTwo } }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| var methodOf = _.methodOf(object); |
| assert.strictEqual(methodOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var actual = lodashStable.map(values, function(value, index) { |
| var methodOf = index ? _.methodOf() : _.methodOf(value); |
| return methodOf(path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var actual = lodashStable.map(values, function(value, index) { |
| var methodOf = index ? _.methodOf() : _.methodOf(value); |
| return methodOf(path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) { |
| assert.expect(4); |
| |
| var object = {}, |
| methodOf = _.methodOf(object); |
| |
| lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) { |
| assert.strictEqual(methodOf(path), undefined); |
| }); |
| }); |
| |
| QUnit.test('should apply partial arguments to function', function(assert) { |
| assert.expect(2); |
| |
| var object = { |
| 'fn': function() { |
| return slice.call(arguments); |
| } |
| }; |
| |
| var methodOf = _.methodOf(object, 1, 2, 3); |
| |
| lodashStable.each(['fn', ['fn']], function(path) { |
| assert.deepEqual(methodOf(path), [1, 2, 3]); |
| }); |
| }); |
| |
| QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': function() { return this.c; }, 'c': 1 } }, |
| methodOf = _.methodOf(object); |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(methodOf(path), 1); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.min'); |
| |
| (function() { |
| QUnit.test('should return the smallest value from a collection', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.min([1, 2, 3]), 1); |
| }); |
| |
| QUnit.test('should return `undefined` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat([[]]), |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| try { |
| return index ? _.min(value) : _.min(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with non-numeric collection values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.min(['a', 'b']), 'a'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('extremum methods'); |
| |
| lodashStable.each(['max', 'maxBy', 'min', 'minBy'], function(methodName) { |
| var func = _[methodName], |
| isMax = /^max/.test(methodName); |
| |
| QUnit.test('`_.' + methodName + '` should work with Date objects', function(assert) { |
| assert.expect(1); |
| |
| var curr = new Date, |
| past = new Date(0); |
| |
| assert.strictEqual(func([curr, past]), isMax ? curr : past); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with extremely large arrays', function(assert) { |
| assert.expect(1); |
| |
| var array = lodashStable.range(0, 5e5); |
| assert.strictEqual(func(array), isMax ? 499999 : 0); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work when chaining on an array with only one value', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _([40])[methodName](); |
| assert.strictEqual(actual, 40); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| lodashStable.each(['maxBy', 'minBy'], function(methodName) { |
| var array = [1, 2, 3], |
| func = _[methodName], |
| isMax = methodName == 'maxBy'; |
| |
| QUnit.test('`_.' + methodName + '` should work with an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(array, function(n) { |
| return -n; |
| }); |
| |
| assert.strictEqual(actual, isMax ? 1 : 3); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }], |
| actual = func(objects, 'a'); |
| |
| assert.deepEqual(actual, objects[isMax ? 1 : 2]); |
| |
| var arrays = [[2], [3], [1]]; |
| actual = func(arrays, 0); |
| |
| assert.deepEqual(actual, arrays[isMax ? 1 : 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work when `iteratee` returns +/-Infinity', function(assert) { |
| assert.expect(1); |
| |
| var value = isMax ? -Infinity : Infinity, |
| object = { 'a': value }; |
| |
| var actual = func([object, { 'a': value }], function(object) { |
| return object.a; |
| }); |
| |
| assert.strictEqual(actual, object); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.mixin'); |
| |
| (function() { |
| function reset(wrapper) { |
| delete wrapper.a; |
| delete wrapper.prototype.a; |
| delete wrapper.b; |
| delete wrapper.prototype.b; |
| } |
| |
| function Wrapper(value) { |
| if (!(this instanceof Wrapper)) { |
| return new Wrapper(value); |
| } |
| if (_.has(value, '__wrapped__')) { |
| var actions = slice.call(value.__actions__), |
| chain = value.__chain__; |
| |
| value = value.__wrapped__; |
| } |
| this.__wrapped__ = value; |
| this.__actions__ = actions || []; |
| this.__chain__ = chain || false; |
| } |
| |
| Wrapper.prototype.value = function() { |
| return getUnwrappedValue(this); |
| }; |
| |
| var array = ['a'], |
| source = { 'a': function(array) { return array[0]; }, 'b': 'B' }; |
| |
| QUnit.test('should mixin `source` methods into lodash', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| _.mixin(source); |
| |
| assert.strictEqual(_.a(array), 'a'); |
| assert.strictEqual(_(array).a().value(), 'a'); |
| assert.notOk('b' in _); |
| assert.notOk('b' in _.prototype); |
| |
| reset(_); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should mixin chaining methods by reference', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| _.mixin(source); |
| _.a = alwaysB; |
| |
| assert.strictEqual(_.a(array), 'b'); |
| assert.strictEqual(_(array).a().value(), 'a'); |
| |
| reset(_); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should use a default `object` of `this`', function(assert) { |
| assert.expect(3); |
| |
| var object = lodashStable.create(_); |
| object.mixin(source); |
| |
| assert.strictEqual(object.a(array), 'a'); |
| assert.notOk('a' in _); |
| assert.notOk('a' in _.prototype); |
| |
| reset(_); |
| }); |
| |
| QUnit.test('should accept an `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var object = {}; |
| _.mixin(object, source); |
| assert.strictEqual(object.a(array), 'a'); |
| }); |
| |
| QUnit.test('should accept a function `object`', function(assert) { |
| assert.expect(2); |
| |
| _.mixin(Wrapper, source); |
| |
| var wrapped = Wrapper(array), |
| actual = wrapped.a(); |
| |
| assert.strictEqual(actual.value(), 'a'); |
| assert.ok(actual instanceof Wrapper); |
| |
| reset(Wrapper); |
| }); |
| |
| QUnit.test('should return `object`', function(assert) { |
| assert.expect(3); |
| |
| var object = {}; |
| assert.strictEqual(_.mixin(object, source), object); |
| assert.strictEqual(_.mixin(Wrapper, source), Wrapper); |
| assert.strictEqual(_.mixin(), _); |
| |
| reset(Wrapper); |
| }); |
| |
| QUnit.test('should not assign inherited `source` methods', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype.a = noop; |
| |
| var object = {}; |
| assert.strictEqual(_.mixin(object, new Foo), object); |
| }); |
| |
| QUnit.test('should accept an `options` argument', function(assert) { |
| assert.expect(8); |
| |
| function message(func, chain) { |
| return (func === _ ? 'lodash' : 'given') + ' function should ' + (chain ? '' : 'not ') + 'chain'; |
| } |
| |
| lodashStable.each([_, Wrapper], function(func) { |
| lodashStable.each([{ 'chain': false }, { 'chain': true }], function(options) { |
| if (!isNpm) { |
| if (func === _) { |
| _.mixin(source, options); |
| } else { |
| _.mixin(func, source, options); |
| } |
| var wrapped = func(array), |
| actual = wrapped.a(); |
| |
| if (options.chain) { |
| assert.strictEqual(actual.value(), 'a', message(func, true)); |
| assert.ok(actual instanceof func, message(func, true)); |
| } else { |
| assert.strictEqual(actual, 'a', message(func, false)); |
| assert.notOk(actual instanceof func, message(func, false)); |
| } |
| reset(func); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| }); |
| |
| QUnit.test('should not extend lodash when an `object` is given with an empty `options` object', function(assert) { |
| assert.expect(1); |
| |
| _.mixin({ 'a': noop }, {}); |
| assert.notOk('a' in _); |
| reset(_); |
| }); |
| |
| QUnit.test('should not error for non-object `options` values', function(assert) { |
| assert.expect(2); |
| |
| var pass = true; |
| |
| try { |
| _.mixin({}, source, 1); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass); |
| |
| pass = true; |
| |
| try { |
| _.mixin(source, 1); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass); |
| |
| reset(_); |
| }); |
| |
| QUnit.test('should not return the existing wrapped value when chaining', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([_, Wrapper], function(func) { |
| if (!isNpm) { |
| if (func === _) { |
| var wrapped = _(source), |
| actual = wrapped.mixin(); |
| |
| assert.strictEqual(actual.value(), _); |
| } |
| else { |
| wrapped = _(func); |
| actual = wrapped.mixin(source); |
| assert.notStrictEqual(actual, wrapped); |
| } |
| reset(func); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| QUnit.test('should produce methods that work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| _.mixin({ 'a': _.countBy, 'b': _.filter }); |
| |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| actual = _(array).a().map(square).b(isEven).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.b(_.map(_.a(array), square), isEven))); |
| |
| reset(_); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.multiply'); |
| |
| (function() { |
| QUnit.test('should multiply two numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.multiply(6, 4), 24); |
| assert.strictEqual(_.multiply(-6, 4), -24); |
| assert.strictEqual(_.multiply(-6, -4), 24); |
| }); |
| |
| QUnit.test('should coerce arguments to numbers', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.multiply('6', '4'), 24); |
| assert.deepEqual(_.multiply('x', 'y'), NaN); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.orderBy'); |
| |
| (function() { |
| var objects = [ |
| { 'a': 'x', 'b': 3 }, |
| { 'a': 'y', 'b': 4 }, |
| { 'a': 'x', 'b': 1 }, |
| { 'a': 'y', 'b': 2 } |
| ]; |
| |
| QUnit.test('should sort by a single property by a specified order', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.orderBy(objects, 'a', 'desc'); |
| assert.deepEqual(actual, [objects[1], objects[3], objects[0], objects[2]]); |
| }); |
| |
| QUnit.test('should sort by multiple properties by specified orders', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.orderBy(objects, ['a', 'b'], ['desc', 'asc']); |
| assert.deepEqual(actual, [objects[3], objects[1], objects[2], objects[0]]); |
| }); |
| |
| QUnit.test('should sort by a property in ascending order when its order is not specified', function(assert) { |
| assert.expect(2); |
| |
| var expected = [objects[2], objects[0], objects[3], objects[1]], |
| actual = _.orderBy(objects, ['a', 'b']); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(falsey, lodashStable.constant([objects[3], objects[1], objects[2], objects[0]])); |
| |
| actual = lodashStable.map(falsey, function(order, index) { |
| return _.orderBy(objects, ['a', 'b'], index ? ['desc', order] : ['desc']); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `orders` specified as string objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.orderBy(objects, ['a'], [Object('desc')]); |
| assert.deepEqual(actual, [objects[1], objects[3], objects[0], objects[2]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.overArgs'); |
| |
| (function() { |
| function fn() { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should transform each argument', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, doubled, square); |
| assert.deepEqual(over(5, 10), [10, 100]); |
| }); |
| |
| QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, undefined, null); |
| assert.deepEqual(over('a', 'b'), ['a', 'b']); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, 'b', 'a'); |
| assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [2, 1]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, { 'b': 1 }, { 'a': 1 }); |
| assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [false, true]); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, ['b', 1], [['a', 1]]); |
| assert.deepEqual(over({ 'b': 2 }, { 'a': 1 }), [false, true]); |
| }); |
| |
| QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overArgs(fn, ['a', 1]); |
| assert.deepEqual(over({ 'a': 1 }, { '1': 2 }), [1, 2]); |
| |
| over = _.overArgs(fn, [['a', 1]]); |
| assert.deepEqual(over({ 'a': 1 }), [true]); |
| }); |
| |
| QUnit.test('should flatten `transforms`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, [doubled, square], String); |
| assert.deepEqual(over(5, 10, 15), [10, 100, '15']); |
| }); |
| |
| QUnit.test('should not transform any argument greater than the number of transforms', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, doubled, square); |
| assert.deepEqual(over(5, 10, 18), [10, 100, 18]); |
| }); |
| |
| QUnit.test('should not transform any arguments if no transforms are given', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn); |
| assert.deepEqual(over(5, 10, 18), [5, 10, 18]); |
| }); |
| |
| QUnit.test('should not pass `undefined` if there are more transforms than arguments', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(fn, doubled, identity); |
| assert.deepEqual(over(5), [10]); |
| }); |
| |
| QUnit.test('should provide the correct argument to each transform', function(assert) { |
| assert.expect(1); |
| |
| var argsList = [], |
| transform = function() { argsList.push(slice.call(arguments)); }, |
| over = _.overArgs(noop, transform, transform, transform); |
| |
| over('a', 'b'); |
| assert.deepEqual(argsList, [['a'], ['b']]); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `transforms`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overArgs(function(x) { |
| return this[x]; |
| }, function(x) { |
| return this === x; |
| }); |
| |
| var object = { 'over': over, 'true': 1 }; |
| assert.strictEqual(object.over(object), 1); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.negate'); |
| |
| (function() { |
| QUnit.test('should create a function that negates the result of `func`', function(assert) { |
| assert.expect(2); |
| |
| var negate = _.negate(isEven); |
| |
| assert.strictEqual(negate(1), true); |
| assert.strictEqual(negate(2), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.noop'); |
| |
| (function() { |
| QUnit.test('should return `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var values = empties.concat(true, new Date, _, 1, /x/, 'a'), |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.noop(value) : _.noop(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.noConflict'); |
| |
| (function() { |
| QUnit.test('should return the `lodash` function', function(assert) { |
| assert.expect(2); |
| |
| if (!isModularize) { |
| assert.strictEqual(_.noConflict(), oldDash); |
| assert.notStrictEqual(root._, oldDash); |
| root._ = oldDash; |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should restore `_` only if `lodash` is the current `_` value', function(assert) { |
| assert.expect(2); |
| |
| if (!isModularize) { |
| var object = root._ = {}; |
| assert.strictEqual(_.noConflict(), oldDash); |
| assert.strictEqual(root._, object); |
| root._ = oldDash; |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should work with a `root` of `this`', function(assert) { |
| assert.expect(2); |
| |
| if (!isModularize && !coverage && (!document && realm.object)) { |
| var fs = require('fs'), |
| vm = require('vm'), |
| expected = {}, |
| context = vm.createContext({ '_': expected, 'console': console }), |
| source = fs.readFileSync(filePath, 'utf8'); |
| |
| vm.runInContext(source + '\nthis.lodash = this._.noConflict()', context); |
| |
| assert.strictEqual(context._, expected); |
| assert.ok(context.lodash); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.now'); |
| |
| (function() { |
| QUnit.test('should return the number of milliseconds that have elapsed since the Unix epoch', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var stamp = +new Date, |
| actual = _.now(); |
| |
| assert.ok(actual >= stamp); |
| |
| setTimeout(function() { |
| assert.ok(_.now() > actual); |
| done(); |
| }, 32); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.nth'); |
| |
| (function() { |
| var array = ['a', 'b', 'c', 'd']; |
| |
| QUnit.test('should get the nth element of `array`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(array, function(value, index) { |
| return _.nth(array, index); |
| }); |
| |
| assert.deepEqual(actual, array); |
| }); |
| |
| QUnit.test('should work with a negative `n`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(lodashStable.range(1, array.length + 1), function(n) { |
| return _.nth(array, -n); |
| }); |
| |
| assert.deepEqual(actual, ['d', 'c', 'b', 'a']); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(2); |
| |
| var values = falsey, |
| expected = lodashStable.map(values, alwaysA); |
| |
| var actual = lodashStable.map(values, function(n) { |
| return n ? _.nth(array, n) : _.nth(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| values = ['1', 1.6]; |
| expected = lodashStable.map(values, alwaysB); |
| |
| actual = lodashStable.map(values, function(n) { |
| return _.nth(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `undefined` for empty arrays', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined, []], |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(array) { |
| return _.nth(array, 1); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `undefined` for non-indexes', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2], |
| values = [Infinity, array.length], |
| expected = lodashStable.map(values, noop); |
| |
| array[-1] = 3; |
| |
| var actual = lodashStable.map(values, function(n) { |
| return _.nth(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.nthArg'); |
| |
| (function() { |
| var args = ['a', 'b', 'c', 'd']; |
| |
| QUnit.test('should create a function that returns its nth argument', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(args, function(value, index) { |
| var func = _.nthArg(index); |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, args); |
| }); |
| |
| QUnit.test('should work with a negative `n`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(lodashStable.range(1, args.length + 1), function(n) { |
| var func = _.nthArg(-n); |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, ['d', 'c', 'b', 'a']); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(2); |
| |
| var values = falsey, |
| expected = lodashStable.map(values, alwaysA); |
| |
| var actual = lodashStable.map(values, function(n) { |
| var func = n ? _.nthArg(n) : _.nthArg(); |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| values = ['1', 1.6]; |
| expected = lodashStable.map(values, alwaysB); |
| |
| actual = lodashStable.map(values, function(n) { |
| var func = _.nthArg(n); |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `undefined` for empty arrays', function(assert) { |
| assert.expect(1); |
| |
| var func = _.nthArg(1); |
| assert.strictEqual(func(), undefined); |
| }); |
| |
| QUnit.test('should return `undefined` for non-indexes', function(assert) { |
| assert.expect(1); |
| |
| var values = [Infinity, args.length], |
| expected = lodashStable.map(values, noop); |
| |
| var actual = lodashStable.map(values, function(n) { |
| var func = _.nthArg(n); |
| return func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.omit'); |
| |
| (function() { |
| var args = arguments, |
| object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }; |
| |
| QUnit.test('should flatten `props`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.omit(object, 'a', 'c'), { 'b': 2, 'd': 4 }); |
| assert.deepEqual(_.omit(object, ['a', 'd'], 'c'), { 'b': 2 }); |
| }); |
| |
| QUnit.test('should work with a primitive `object` argument', function(assert) { |
| assert.expect(1); |
| |
| stringProto.a = 1; |
| stringProto.b = 2; |
| |
| assert.deepEqual(_.omit('', 'b'), { 'a': 1 }); |
| |
| delete stringProto.a; |
| delete stringProto.b; |
| }); |
| |
| QUnit.test('should return an empty object when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| objectProto.a = 1; |
| lodashStable.each([null, undefined], function(value) { |
| assert.deepEqual(_.omit(value, 'valueOf'), {}); |
| }); |
| delete objectProto.a; |
| }); |
| |
| QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.omit(object, args), { 'b': 2, 'd': 4 }); |
| }); |
| |
| QUnit.test('should coerce property names to strings', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.omit({ '0': 'a' }, 0), {}); |
| }); |
| }('a', 'c')); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.omitBy'); |
| |
| (function() { |
| QUnit.test('should work with a predicate argument', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }; |
| |
| var actual = _.omitBy(object, function(n) { |
| return n != 2 && n != 4; |
| }); |
| |
| assert.deepEqual(actual, { 'b': 2, 'd': 4 }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('omit methods'); |
| |
| lodashStable.each(['omit', 'omitBy'], function(methodName) { |
| var expected = { 'b': 2, 'd': 4 }, |
| func = _[methodName], |
| object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, |
| prop = lodashStable.nthArg(1); |
| |
| if (methodName == 'omitBy') { |
| prop = function(object, props) { |
| props = lodashStable.castArray(props); |
| return function(value) { |
| return lodashStable.some(props, function(key) { |
| key = lodashStable.isSymbol(key) ? key : lodashStable.toString(key); |
| return object[key] === value; |
| }); |
| }; |
| }; |
| } |
| QUnit.test('`_.' + methodName + '` should create an object with omitted string keyed properties', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(object, prop(object, 'a')), { 'b': 2, 'c': 3, 'd': 4 }); |
| assert.deepEqual(func(object, prop(object, ['a', 'c'])), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should include inherited string keyed properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype = object; |
| |
| assert.deepEqual(func(new Foo, prop(object, ['a', 'c'])), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)], |
| expected = [{ '0': 'b' }, { '0': 'b' }, { '-0': 'a' }, { '-0': 'a' }]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| return func(object, prop(object, key)); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should include symbol properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() { |
| this.a = 0; |
| this[symbol] = 1; |
| } |
| |
| if (Symbol) { |
| var symbol2 = Symbol('b'); |
| Foo.prototype[symbol2] = 2; |
| |
| var foo = new Foo, |
| actual = func(foo, prop(foo, 'a')); |
| |
| assert.strictEqual(actual[symbol], 1); |
| assert.strictEqual(actual[symbol2], 2); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should create an object with omitted symbol properties', function(assert) { |
| assert.expect(6); |
| |
| function Foo() { |
| this.a = 0; |
| this[symbol] = 1; |
| } |
| |
| if (Symbol) { |
| var symbol2 = Symbol('b'); |
| Foo.prototype[symbol2] = 2; |
| |
| var foo = new Foo, |
| actual = func(foo, prop(foo, symbol)); |
| |
| assert.strictEqual(actual.a, 0); |
| assert.strictEqual(actual[symbol], undefined); |
| assert.strictEqual(actual[symbol2], 2); |
| |
| actual = func(foo, prop(foo, symbol2)); |
| |
| assert.strictEqual(actual.a, 0); |
| assert.strictEqual(actual[symbol], 1); |
| assert.strictEqual(actual[symbol2], undefined); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with an array `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(func(array, prop(array, ['0', '2'])), { '1': 2 }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.once'); |
| |
| (function() { |
| QUnit.test('should invoke `func` once', function(assert) { |
| assert.expect(2); |
| |
| var count = 0, |
| once = _.once(function() { return ++count; }); |
| |
| once(); |
| assert.strictEqual(once(), 1); |
| assert.strictEqual(count, 1); |
| }); |
| |
| QUnit.test('should ignore recursive calls', function(assert) { |
| assert.expect(2); |
| |
| var count = 0; |
| |
| var once = _.once(function() { |
| once(); |
| return ++count; |
| }); |
| |
| assert.strictEqual(once(), 1); |
| assert.strictEqual(count, 1); |
| }); |
| |
| QUnit.test('should not throw more than once', function(assert) { |
| assert.expect(2); |
| |
| var pass = true; |
| |
| var once = _.once(function() { |
| throw new Error; |
| }); |
| |
| assert.raises(once); |
| |
| try { |
| once(); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.over'); |
| |
| (function() { |
| QUnit.test('should create a function that invokes `iteratees`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over(Math.max, Math.min); |
| assert.deepEqual(over(1, 2, 3, 4), [4, 1]); |
| }); |
| |
| QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over(undefined, null); |
| assert.deepEqual(over('a', 'b', 'c'), ['a', 'a']); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over('b', 'a'); |
| assert.deepEqual(over({ 'a': 1, 'b': 2 }), [2, 1]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over({ 'b': 1 }, { 'a': 1 }); |
| assert.deepEqual(over({ 'a': 1, 'b': 2 }), [false, true]); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.over(['b', 2], [['a', 2]]); |
| |
| assert.deepEqual(over({ 'a': 1, 'b': 2 }), [true, false]); |
| assert.deepEqual(over({ 'a': 2, 'b': 1 }), [false, true]); |
| }); |
| |
| QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(4); |
| |
| var over = _.over(['a', 1]); |
| |
| assert.deepEqual(over({ 'a': 1, '1': 2 }), [1, 2]); |
| assert.deepEqual(over({ 'a': 2, '1': 1 }), [2, 1]); |
| |
| over = _.over([['a', 1]]); |
| |
| assert.deepEqual(over({ 'a': 1 }), [true]); |
| assert.deepEqual(over({ 'a': 2 }), [false]); |
| }); |
| |
| QUnit.test('should provide arguments to predicates', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over(function() { |
| return slice.call(arguments); |
| }); |
| |
| assert.deepEqual(over('a', 'b', 'c'), [['a', 'b', 'c']]); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `iteratees`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.over(function() { return this.b; }, function() { return this.a; }), |
| object = { 'over': over, 'a': 1, 'b': 2 }; |
| |
| assert.deepEqual(object.over(), [2, 1]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.overEvery'); |
| |
| (function() { |
| QUnit.test('should create a function that returns `true` if all predicates return truthy', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overEvery(alwaysTrue, alwaysOne, alwaysA); |
| assert.strictEqual(over(), true); |
| }); |
| |
| QUnit.test('should return `false` as soon as a predicate returns falsey', function(assert) { |
| assert.expect(2); |
| |
| var count = 0, |
| countFalse = function() { count++; return false; }, |
| countTrue = function() { count++; return true; }, |
| over = _.overEvery(countTrue, countFalse, countTrue); |
| |
| assert.strictEqual(over(), false); |
| assert.strictEqual(count, 2); |
| }); |
| |
| QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overEvery(undefined, null); |
| |
| assert.strictEqual(over(true), true); |
| assert.strictEqual(over(false), false); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overEvery('b', 'a'); |
| |
| assert.strictEqual(over({ 'a': 1, 'b': 1 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 1 }), false); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overEvery({ 'b': 2 }, { 'a': 1 }); |
| |
| assert.strictEqual(over({ 'a': 1, 'b': 2 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 2 }), false); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overEvery(['b', 2], [['a', 1]]); |
| |
| assert.strictEqual(over({ 'a': 1, 'b': 2 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 2 }), false); |
| }); |
| |
| QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(5); |
| |
| var over = _.overEvery(['a', 1]); |
| |
| assert.strictEqual(over({ 'a': 1, '1': 1 }), true); |
| assert.strictEqual(over({ 'a': 1, '1': 0 }), false); |
| assert.strictEqual(over({ 'a': 0, '1': 1 }), false); |
| |
| over = _.overEvery([['a', 1]]); |
| |
| assert.strictEqual(over({ 'a': 1 }), true); |
| assert.strictEqual(over({ 'a': 2 }), false); |
| }); |
| |
| QUnit.test('should flatten `predicates`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overEvery(alwaysTrue, [alwaysFalse]); |
| assert.strictEqual(over(), false); |
| }); |
| |
| QUnit.test('should provide arguments to predicates', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| var over = _.overEvery(function() { |
| args = slice.call(arguments); |
| }); |
| |
| over('a', 'b', 'c'); |
| assert.deepEqual(args, ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `predicates`', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overEvery(function() { return this.b; }, function() { return this.a; }), |
| object = { 'over': over, 'a': 1, 'b': 2 }; |
| |
| assert.strictEqual(object.over(), true); |
| |
| object.a = 0; |
| assert.strictEqual(object.over(), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.overSome'); |
| |
| (function() { |
| QUnit.test('should create a function that returns `true` if any predicates return truthy', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome(alwaysFalse, alwaysOne, alwaysEmptyString); |
| assert.strictEqual(over(), true); |
| |
| over = _.overSome(alwaysNull, alwaysA, alwaysZero); |
| assert.strictEqual(over(), true); |
| }); |
| |
| QUnit.test('should return `true` as soon as `predicate` returns truthy', function(assert) { |
| assert.expect(2); |
| |
| var count = 0, |
| countFalse = function() { count++; return false; }, |
| countTrue = function() { count++; return true; }, |
| over = _.overSome(countFalse, countTrue, countFalse); |
| |
| assert.strictEqual(over(), true); |
| assert.strictEqual(count, 2); |
| }); |
| |
| QUnit.test('should return `false` if all predicates return falsey', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome(alwaysFalse, alwaysFalse, alwaysFalse); |
| assert.strictEqual(over(), false); |
| |
| over = _.overSome(alwaysNull, alwaysZero, alwaysEmptyString); |
| assert.strictEqual(over(), false); |
| }); |
| |
| QUnit.test('should use `_.identity` when a predicate is nullish', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome(undefined, null); |
| |
| assert.strictEqual(over(true), true); |
| assert.strictEqual(over(false), false); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome('b', 'a'); |
| |
| assert.strictEqual(over({ 'a': 1, 'b': 0 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 0 }), false); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome({ 'b': 2 }, { 'a': 1 }); |
| |
| assert.strictEqual(over({ 'a': 0, 'b': 2 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 0 }), false); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome(['a', 1], [['b', 2]]); |
| |
| assert.strictEqual(over({ 'a': 0, 'b': 2 }), true); |
| assert.strictEqual(over({ 'a': 0, 'b': 0 }), false); |
| }); |
| |
| QUnit.test('should differentiate between `_.property` and `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(5); |
| |
| var over = _.overSome(['a', 1]); |
| |
| assert.strictEqual(over({ 'a': 0, '1': 0 }), false); |
| assert.strictEqual(over({ 'a': 1, '1': 0 }), true); |
| assert.strictEqual(over({ 'a': 0, '1': 1 }), true); |
| |
| over = _.overSome([['a', 1]]); |
| |
| assert.strictEqual(over({ 'a': 1 }), true); |
| assert.strictEqual(over({ 'a': 2 }), false); |
| }); |
| |
| QUnit.test('should flatten `predicates`', function(assert) { |
| assert.expect(1); |
| |
| var over = _.overSome(alwaysFalse, [alwaysTrue]); |
| assert.strictEqual(over(), true); |
| }); |
| |
| QUnit.test('should provide arguments to predicates', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| var over = _.overSome(function() { |
| args = slice.call(arguments); |
| }); |
| |
| over('a', 'b', 'c'); |
| assert.deepEqual(args, ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should use `this` binding of function for `predicates`', function(assert) { |
| assert.expect(2); |
| |
| var over = _.overSome(function() { return this.b; }, function() { return this.a; }), |
| object = { 'over': over, 'a': 1, 'b': 2 }; |
| |
| assert.strictEqual(object.over(), true); |
| |
| object.a = object.b = 0; |
| assert.strictEqual(object.over(), false); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pad'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should pad a string to a given length', function(assert) { |
| assert.expect(1); |
| |
| var values = [, undefined], |
| expected = lodashStable.map(values, lodashStable.constant(' abc ')); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.pad(string, 6, value) : _.pad(string, 6); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should truncate pad characters to fit the pad length', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.pad(string, 8), ' abc '); |
| assert.strictEqual(_.pad(string, 8, '_-'), '_-abc_-_'); |
| }); |
| |
| QUnit.test('should coerce `string` to a string', function(assert) { |
| assert.expect(1); |
| |
| var values = [Object(string), { 'toString': lodashStable.constant(string) }], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.pad(value, 6) === ' abc '; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.padEnd'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should pad a string to a given length', function(assert) { |
| assert.expect(1); |
| |
| var values = [, undefined], |
| expected = lodashStable.map(values, lodashStable.constant('abc ')); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.padEnd(string, 6, value) : _.padEnd(string, 6); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should truncate pad characters to fit the pad length', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.padEnd(string, 6, '_-'), 'abc_-_'); |
| }); |
| |
| QUnit.test('should coerce `string` to a string', function(assert) { |
| assert.expect(1); |
| |
| var values = [Object(string), { 'toString': lodashStable.constant(string) }], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.padEnd(value, 6) === 'abc '; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.padStart'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should pad a string to a given length', function(assert) { |
| assert.expect(1); |
| |
| var values = [, undefined], |
| expected = lodashStable.map(values, lodashStable.constant(' abc')); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.padStart(string, 6, value) : _.padStart(string, 6); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should truncate pad characters to fit the pad length', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.padStart(string, 6, '_-'), '_-_abc'); |
| }); |
| |
| QUnit.test('should coerce `string` to a string', function(assert) { |
| assert.expect(1); |
| |
| var values = [Object(string), { 'toString': lodashStable.constant(string) }], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.padStart(value, 6) === ' abc'; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('pad methods'); |
| |
| lodashStable.each(['pad', 'padStart', 'padEnd'], function(methodName) { |
| var func = _[methodName], |
| isPad = methodName == 'pad', |
| isStart = methodName == 'padStart', |
| string = 'abc'; |
| |
| QUnit.test('`_.' + methodName + '` should not pad if string is >= `length`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(func(string, 2), string); |
| assert.strictEqual(func(string, 3), string); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat negative `length` as `0`', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([0, -2], function(length) { |
| assert.strictEqual(func(string, length), string); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `length` to a number', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each(['', '4'], function(length) { |
| var actual = length ? (isStart ? ' abc' : 'abc ') : string; |
| assert.strictEqual(func(string, length), actual); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat nullish values as empty strings', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.each([undefined, '_-'], function(chars) { |
| var expected = chars ? (isPad ? '__' : chars) : ' '; |
| assert.strictEqual(func(null, 2, chars), expected); |
| assert.strictEqual(func(undefined, 2, chars), expected); |
| assert.strictEqual(func('', 2, chars), expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `string` when `chars` coerces to an empty string', function(assert) { |
| assert.expect(1); |
| |
| var values = ['', Object('')], |
| expected = lodashStable.map(values, lodashStable.constant(string)); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.pad(string, 6, value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.parseInt'); |
| |
| (function() { |
| QUnit.test('should accept a `radix` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.range(2, 37); |
| |
| var actual = lodashStable.map(expected, function(radix) { |
| return _.parseInt('10', radix); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should use a radix of `10`, for non-hexadecimals, if `radix` is `undefined` or `0`', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.parseInt('10'), 10); |
| assert.strictEqual(_.parseInt('10', 0), 10); |
| assert.strictEqual(_.parseInt('10', 10), 10); |
| assert.strictEqual(_.parseInt('10', undefined), 10); |
| }); |
| |
| QUnit.test('should use a radix of `16`, for hexadecimals, if `radix` is `undefined` or `0`', function(assert) { |
| assert.expect(8); |
| |
| lodashStable.each(['0x20', '0X20'], function(string) { |
| assert.strictEqual(_.parseInt(string), 32); |
| assert.strictEqual(_.parseInt(string, 0), 32); |
| assert.strictEqual(_.parseInt(string, 16), 32); |
| assert.strictEqual(_.parseInt(string, undefined), 32); |
| }); |
| }); |
| |
| QUnit.test('should use a radix of `10` for string with leading zeros', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.parseInt('08'), 8); |
| assert.strictEqual(_.parseInt('08', 10), 8); |
| }); |
| |
| QUnit.test('should parse strings with leading whitespace (test in Chrome and Firefox)', function(assert) { |
| assert.expect(2); |
| |
| var expected = [8, 8, 10, 10, 32, 32, 32, 32]; |
| |
| lodashStable.times(2, function(index) { |
| var actual = [], |
| func = (index ? (lodashBizarro || {}) : _).parseInt; |
| |
| if (func) { |
| lodashStable.times(2, function(otherIndex) { |
| var string = otherIndex ? '10' : '08'; |
| actual.push( |
| func(whitespace + string, 10), |
| func(whitespace + string) |
| ); |
| }); |
| |
| lodashStable.each(['0x20', '0X20'], function(string) { |
| actual.push( |
| func(whitespace + string), |
| func(whitespace + string, 16) |
| ); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| QUnit.test('should coerce `radix` to a number', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'valueOf': alwaysZero }; |
| assert.strictEqual(_.parseInt('08', object), 8); |
| assert.strictEqual(_.parseInt('0x20', object), 32); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(2); |
| |
| var strings = lodashStable.map(['6', '08', '10'], Object), |
| actual = lodashStable.map(strings, _.parseInt); |
| |
| assert.deepEqual(actual, [6, 8, 10]); |
| |
| actual = lodashStable.map('123', _.parseInt); |
| assert.deepEqual(actual, [1, 2, 3]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('partial methods'); |
| |
| lodashStable.each(['partial', 'partialRight'], function(methodName) { |
| var func = _[methodName], |
| isPartial = methodName == 'partial', |
| ph = func.placeholder; |
| |
| QUnit.test('`_.' + methodName + '` partially applies arguments', function(assert) { |
| assert.expect(1); |
| |
| var par = func(identity, 'a'); |
| assert.strictEqual(par(), 'a'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` creates a function that can be invoked with additional arguments', function(assert) { |
| assert.expect(1); |
| |
| var fn = function(a, b) { return [a, b]; }, |
| par = func(fn, 'a'), |
| expected = isPartial ? ['a', 'b'] : ['b', 'a']; |
| |
| assert.deepEqual(par('b'), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` works when there are no partially applied arguments and the created function is invoked without additional arguments', function(assert) { |
| assert.expect(1); |
| |
| var fn = function() { return arguments.length; }, |
| par = func(fn); |
| |
| assert.strictEqual(par(), 0); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` works when there are no partially applied arguments and the created function is invoked with additional arguments', function(assert) { |
| assert.expect(1); |
| |
| var par = func(identity); |
| assert.strictEqual(par('a'), 'a'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support placeholders', function(assert) { |
| assert.expect(4); |
| |
| var fn = function() { return slice.call(arguments); }, |
| par = func(fn, ph, 'b', ph); |
| |
| assert.deepEqual(par('a', 'c'), ['a', 'b', 'c']); |
| assert.deepEqual(par('a'), ['a', 'b', undefined]); |
| assert.deepEqual(par(), [undefined, 'b', undefined]); |
| |
| if (isPartial) { |
| assert.deepEqual(par('a', 'c', 'd'), ['a', 'b', 'c', 'd']); |
| } else { |
| par = func(fn, ph, 'c', ph); |
| assert.deepEqual(par('a', 'b', 'd'), ['a', 'b', 'c', 'd']); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should use `_.placeholder` when set', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var _ph = _.placeholder = {}, |
| fn = function() { return slice.call(arguments); }, |
| par = func(fn, _ph, 'b', ph), |
| expected = isPartial ? ['a', 'b', ph, 'c'] : ['a', 'c', 'b', ph]; |
| |
| assert.deepEqual(par('a', 'c'), expected); |
| delete _.placeholder; |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` creates a function with a `length` of `0`', function(assert) { |
| assert.expect(1); |
| |
| var fn = function(a, b, c) {}, |
| par = func(fn, 'a'); |
| |
| assert.strictEqual(par.length, 0); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ensure `new par` is an instance of `func`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(value) { |
| return value && object; |
| } |
| |
| var object = {}, |
| par = func(Foo); |
| |
| assert.ok(new par instanceof Foo); |
| assert.strictEqual(new par(true), object); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should clone metadata for created functions', function(assert) { |
| assert.expect(3); |
| |
| function greet(greeting, name) { |
| return greeting + ' ' + name; |
| } |
| |
| var par1 = func(greet, 'hi'), |
| par2 = func(par1, 'barney'), |
| par3 = func(par1, 'pebbles'); |
| |
| assert.strictEqual(par1('fred'), isPartial ? 'hi fred' : 'fred hi'); |
| assert.strictEqual(par2(), isPartial ? 'hi barney' : 'barney hi'); |
| assert.strictEqual(par3(), isPartial ? 'hi pebbles' : 'pebbles hi'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with curried functions', function(assert) { |
| assert.expect(2); |
| |
| var fn = function(a, b, c) { return a + b + c; }, |
| curried = _.curry(func(fn, 1), 2); |
| |
| assert.strictEqual(curried(2, 3), 6); |
| assert.strictEqual(curried(2)(3), 6); |
| }); |
| |
| QUnit.test('should work with placeholders and curried functions', function(assert) { |
| assert.expect(1); |
| |
| var fn = function() { return slice.call(arguments); }, |
| curried = _.curry(fn), |
| par = func(curried, ph, 'b', ph, 'd'); |
| |
| assert.deepEqual(par('a', 'c'), ['a', 'b', 'c', 'd']); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.partialRight'); |
| |
| (function() { |
| QUnit.test('should work as a deep `_.defaults`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': { 'b': 1 } }, |
| source = { 'a': { 'b': 2, 'c': 3 } }, |
| expected = { 'a': { 'b': 1, 'c': 3 } }; |
| |
| var defaultsDeep = _.partialRight(_.mergeWith, function deep(value, other) { |
| return lodashStable.isObject(value) ? _.mergeWith(value, other, deep) : value; |
| }); |
| |
| assert.deepEqual(defaultsDeep(object, source), expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('methods using `createWrapper`'); |
| |
| (function() { |
| function fn() { |
| return slice.call(arguments); |
| } |
| |
| var ph1 = _.bind.placeholder, |
| ph2 = _.bindKey.placeholder, |
| ph3 = _.partial.placeholder, |
| ph4 = _.partialRight.placeholder; |
| |
| QUnit.test('should work with combinations of partial functions', function(assert) { |
| assert.expect(1); |
| |
| var a = _.partial(fn), |
| b = _.partialRight(a, 3), |
| c = _.partial(b, 1); |
| |
| assert.deepEqual(c(2), [1, 2, 3]); |
| }); |
| |
| QUnit.test('should work with combinations of bound and partial functions', function(assert) { |
| assert.expect(3); |
| |
| var fn = function() { |
| var result = [this.a]; |
| push.apply(result, arguments); |
| return result; |
| }; |
| |
| var expected = [1, 2, 3, 4], |
| object = { 'a': 1, 'fn': fn }; |
| |
| var a = _.bindKey(object, 'fn'), |
| b = _.partialRight(a, 4), |
| c = _.partial(b, 2); |
| |
| assert.deepEqual(c(3), expected); |
| |
| a = _.bind(fn, object); |
| b = _.partialRight(a, 4); |
| c = _.partial(b, 2); |
| |
| assert.deepEqual(c(3), expected); |
| |
| a = _.partial(fn, 2); |
| b = _.bind(a, object); |
| c = _.partialRight(b, 4); |
| |
| assert.deepEqual(c(3), expected); |
| }); |
| |
| QUnit.test('should ensure `new combo` is an instance of `func`', function(assert) { |
| assert.expect(2); |
| |
| function Foo(a, b, c) { |
| return b === 0 && object; |
| } |
| |
| var combo = _.partial(_.partialRight(Foo, 3), 1), |
| object = {}; |
| |
| assert.ok(new combo(2) instanceof Foo); |
| assert.strictEqual(new combo(0), object); |
| }); |
| |
| QUnit.test('should work with combinations of functions with placeholders', function(assert) { |
| assert.expect(3); |
| |
| var expected = [1, 2, 3, 4, 5, 6], |
| object = { 'fn': fn }; |
| |
| var a = _.bindKey(object, 'fn', ph2, 2), |
| b = _.partialRight(a, ph4, 6), |
| c = _.partial(b, 1, ph3, 4); |
| |
| assert.deepEqual(c(3, 5), expected); |
| |
| a = _.bind(fn, object, ph1, 2); |
| b = _.partialRight(a, ph4, 6); |
| c = _.partial(b, 1, ph3, 4); |
| |
| assert.deepEqual(c(3, 5), expected); |
| |
| a = _.partial(fn, ph3, 2); |
| b = _.bind(a, object, 1, ph1, 4); |
| c = _.partialRight(b, ph4, 6); |
| |
| assert.deepEqual(c(3, 5), expected); |
| }); |
| |
| QUnit.test('should work with combinations of functions with overlapping placeholders', function(assert) { |
| assert.expect(3); |
| |
| var expected = [1, 2, 3, 4], |
| object = { 'fn': fn }; |
| |
| var a = _.bindKey(object, 'fn', ph2, 2), |
| b = _.partialRight(a, ph4, 4), |
| c = _.partial(b, ph3, 3); |
| |
| assert.deepEqual(c(1), expected); |
| |
| a = _.bind(fn, object, ph1, 2); |
| b = _.partialRight(a, ph4, 4); |
| c = _.partial(b, ph3, 3); |
| |
| assert.deepEqual(c(1), expected); |
| |
| a = _.partial(fn, ph3, 2); |
| b = _.bind(a, object, ph1, 3); |
| c = _.partialRight(b, ph4, 4); |
| |
| assert.deepEqual(c(1), expected); |
| }); |
| |
| QUnit.test('should work with recursively bound functions', function(assert) { |
| assert.expect(1); |
| |
| var fn = function() { |
| return this.a; |
| }; |
| |
| var a = _.bind(fn, { 'a': 1 }), |
| b = _.bind(a, { 'a': 2 }), |
| c = _.bind(b, { 'a': 3 }); |
| |
| assert.strictEqual(c(), 1); |
| }); |
| |
| QUnit.test('should work when hot', function(assert) { |
| assert.expect(12); |
| |
| lodashStable.times(2, function(index) { |
| var fn = function() { |
| var result = [this]; |
| push.apply(result, arguments); |
| return result; |
| }; |
| |
| var object = {}, |
| bound1 = index ? _.bind(fn, object, 1) : _.bind(fn, object), |
| expected = [object, 1, 2, 3]; |
| |
| var actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| var bound2 = index ? _.bind(bound1, null, 2) : _.bind(bound1); |
| return index ? bound2(3) : bound2(1, 2, 3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| |
| actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| var bound1 = index ? _.bind(fn, object, 1) : _.bind(fn, object), |
| bound2 = index ? _.bind(bound1, null, 2) : _.bind(bound1); |
| |
| return index ? bound2(3) : bound2(1, 2, 3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| lodashStable.each(['curry', 'curryRight'], function(methodName, index) { |
| var fn = function(a, b, c) { return [a, b, c]; }, |
| curried = _[methodName](fn), |
| expected = index ? [3, 2, 1] : [1, 2, 3]; |
| |
| var actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| return curried(1)(2)(3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| |
| actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| var curried = _[methodName](fn); |
| return curried(1)(2)(3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| lodashStable.each(['partial', 'partialRight'], function(methodName, index) { |
| var func = _[methodName], |
| fn = function() { return slice.call(arguments); }, |
| par1 = func(fn, 1), |
| expected = index ? [3, 2, 1] : [1, 2, 3]; |
| |
| var actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| var par2 = func(par1, 2); |
| return par2(3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| |
| actual = _.last(lodashStable.times(HOT_COUNT, function() { |
| var par1 = func(fn, 1), |
| par2 = func(par1, 2); |
| |
| return par2(3); |
| })); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.partition'); |
| |
| (function() { |
| var array = [1, 0, 1]; |
| |
| QUnit.test('should split elements into two groups by `predicate`', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.partition([], identity), [[], []]); |
| assert.deepEqual(_.partition(array, alwaysTrue), [array, []]); |
| assert.deepEqual(_.partition(array, alwaysFalse), [[], array]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([[1, 1], [0]])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.partition(array, value) : _.partition(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': 1 }, { 'a': 1 }, { 'b': 2 }], |
| actual = _.partition(objects, 'a'); |
| |
| assert.deepEqual(actual, [objects.slice(0, 2), objects.slice(2)]); |
| }); |
| |
| QUnit.test('should work with a number for `predicate`', function(assert) { |
| assert.expect(2); |
| |
| var array = [ |
| [1, 0], |
| [0, 1], |
| [1, 0] |
| ]; |
| |
| assert.deepEqual(_.partition(array, 0), [[array[0], array[2]], [array[1]]]); |
| assert.deepEqual(_.partition(array, 1), [[array[1]], [array[0], array[2]]]); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.partition({ 'a': 1.1, 'b': 0.2, 'c': 1.3 }, Math.floor); |
| assert.deepEqual(actual, [[1.1, 1.3], [0.2]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pick'); |
| |
| (function() { |
| var args = arguments, |
| object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }; |
| |
| QUnit.test('should flatten `props`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.pick(object, 'a', 'c'), { 'a': 1, 'c': 3 }); |
| assert.deepEqual(_.pick(object, ['a', 'd'], 'c'), { 'a': 1, 'c': 3, 'd': 4 }); |
| }); |
| |
| QUnit.test('should work with a primitive `object` argument', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.pick('', 'slice'), { 'slice': ''.slice }); |
| }); |
| |
| QUnit.test('should return an empty object when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([null, undefined], function(value) { |
| assert.deepEqual(_.pick(value, 'valueOf'), {}); |
| }); |
| }); |
| |
| QUnit.test('should work with `arguments` objects as secondary arguments', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.pick(object, args), { 'a': 1, 'c': 3 }); |
| }); |
| |
| QUnit.test('should coerce property names to strings', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.pick({ '0': 'a', '1': 'b' }, 0), { '0': 'a' }); |
| }); |
| }('a', 'c')); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pickBy'); |
| |
| (function() { |
| QUnit.test('should work with a predicate argument', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }; |
| |
| var actual = _.pickBy(object, function(n) { |
| return n == 1 || n == 3; |
| }); |
| |
| assert.deepEqual(actual, { 'a': 1, 'c': 3 }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('pick methods'); |
| |
| lodashStable.each(['pick', 'pickBy'], function(methodName) { |
| var expected = { 'a': 1, 'c': 3 }, |
| func = _[methodName], |
| object = { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }, |
| prop = lodashStable.nthArg(1); |
| |
| if (methodName == 'pickBy') { |
| prop = function(object, props) { |
| props = lodashStable.castArray(props); |
| return function(value) { |
| return lodashStable.some(props, function(key) { |
| key = lodashStable.isSymbol(key) ? key : lodashStable.toString(key); |
| return object[key] === value; |
| }); |
| }; |
| }; |
| } |
| QUnit.test('`_.' + methodName + '` should create an object of picked string keyed properties', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(object, prop(object, 'a')), { 'a': 1 }); |
| assert.deepEqual(func(object, prop(object, ['a', 'c'])), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should pick inherited string keyed properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() {} |
| Foo.prototype = object; |
| |
| var foo = new Foo; |
| assert.deepEqual(func(foo, prop(foo, ['a', 'c'])), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)], |
| expected = [{ '-0': 'a' }, { '-0': 'a' }, { '0': 'b' }, { '0': 'b' }]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| return func(object, prop(object, key)); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should pick symbol properties', function(assert) { |
| assert.expect(2); |
| |
| function Foo() { |
| this[symbol] = 1; |
| } |
| |
| if (Symbol) { |
| var symbol2 = Symbol('b'); |
| Foo.prototype[symbol2] = 2; |
| |
| var foo = new Foo, |
| actual = func(foo, prop(foo, [symbol, symbol2])); |
| |
| assert.strictEqual(actual[symbol], 1); |
| assert.strictEqual(actual[symbol2], 2); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with an array `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| assert.deepEqual(func(array, prop(array, '1')), { '1': 2 }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.property'); |
| |
| (function() { |
| QUnit.test('should create a function that plucks a property value of a given object', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': 1 }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop.length, 1); |
| assert.strictEqual(prop(object), 1); |
| }); |
| }); |
| |
| QUnit.test('should pluck deep property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop(object), 2); |
| }); |
| }); |
| |
| QUnit.test('should pluck inherited property values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() {} |
| Foo.prototype.a = 1; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop(new Foo), 1); |
| }); |
| }); |
| |
| QUnit.test('should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3]; |
| |
| lodashStable.each([1, [1]], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop(array), 2); |
| }); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| var prop = _.property(key); |
| return prop(object); |
| }); |
| |
| assert.deepEqual(actual, ['a', 'a', 'b', 'b']); |
| }); |
| |
| QUnit.test('should coerce key to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }], |
| values = [null, undefined, fn, {}]; |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var prop = _.property(key); |
| result.push(prop(object)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, [1, 1, 2, 2, 3, 3, 4, 4]); |
| }); |
| |
| QUnit.test('should pluck a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': 1, 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop(object), 1); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var prop = _.property(path); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? prop(value) : prop(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var prop = _.property(path); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? prop(value) : prop(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) { |
| assert.expect(4); |
| |
| var object = {}; |
| |
| lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) { |
| var prop = _.property(path); |
| assert.strictEqual(prop(object), undefined); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.propertyOf'); |
| |
| (function() { |
| QUnit.test('should create a function that plucks a property value of a given key', function(assert) { |
| assert.expect(3); |
| |
| var object = { 'a': 1 }, |
| propOf = _.propertyOf(object); |
| |
| assert.strictEqual(propOf.length, 1); |
| lodashStable.each(['a', ['a']], function(path) { |
| assert.strictEqual(propOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should pluck deep property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': 2 } }, |
| propOf = _.propertyOf(object); |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(propOf(path), 2); |
| }); |
| }); |
| |
| QUnit.test('should pluck inherited property values', function(assert) { |
| assert.expect(2); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var propOf = _.propertyOf(new Foo); |
| |
| lodashStable.each(['b', ['b']], function(path) { |
| assert.strictEqual(propOf(path), 2); |
| }); |
| }); |
| |
| QUnit.test('should work with a non-string `path`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| propOf = _.propertyOf(array); |
| |
| lodashStable.each([1, [1]], function(path) { |
| assert.strictEqual(propOf(path), 2); |
| }); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| var propOf = _.propertyOf(object); |
| return propOf(key); |
| }); |
| |
| assert.deepEqual(actual, ['a', 'a', 'b', 'b']); |
| }); |
| |
| QUnit.test('should coerce key to a string', function(assert) { |
| assert.expect(1); |
| |
| function fn() {} |
| fn.toString = lodashStable.constant('fn'); |
| |
| var objects = [{ 'null': 1 }, { 'undefined': 2 }, { 'fn': 3 }, { '[object Object]': 4 }], |
| values = [null, undefined, fn, {}]; |
| |
| var actual = lodashStable.transform(objects, function(result, object, index) { |
| var key = values[index]; |
| lodashStable.each([key, [key]], function(path) { |
| var propOf = _.propertyOf(object); |
| result.push(propOf(key)); |
| }); |
| }); |
| |
| assert.deepEqual(actual, [1, 1, 2, 2, 3, 3, 4, 4]); |
| }); |
| |
| QUnit.test('should pluck a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': 1, 'a': { 'b': 2 } }, |
| propOf = _.propertyOf(object); |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| assert.strictEqual(propOf(path), 1); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| var actual = lodashStable.map(values, function(value, index) { |
| var propOf = index ? _.propertyOf(value) : _.propertyOf(); |
| return propOf(path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` with deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, noop); |
| |
| lodashStable.each(['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']], function(path) { |
| var actual = lodashStable.map(values, function(value, index) { |
| var propOf = index ? _.propertyOf(value) : _.propertyOf(); |
| return propOf(path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should return `undefined` if parts of `path` are missing', function(assert) { |
| assert.expect(4); |
| |
| var propOf = _.propertyOf({}); |
| |
| lodashStable.each(['a', 'a[1].b.c', ['a'], ['a', '1', 'b', 'c']], function(path) { |
| assert.strictEqual(propOf(path), undefined); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pullAllBy'); |
| |
| (function() { |
| QUnit.test('should accept an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; |
| |
| var actual = _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], function(object) { |
| return object.x; |
| }); |
| |
| assert.deepEqual(actual, [{ 'x': 2 }]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args, |
| array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }]; |
| |
| _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [{ 'x': 1 }]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pullAllWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 1 }, { 'x': 2, 'y': 2 }, { 'x': 3, 'y': 3 }], |
| expected = [objects[0], objects[2]], |
| actual = _.pullAllWith(objects, [{ 'x': 2, 'y': 2 }], lodashStable.isEqual); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('pull methods'); |
| |
| lodashStable.each(['pull', 'pullAll', 'pullAllWith'], function(methodName) { |
| var func = _[methodName], |
| isPull = methodName == 'pull'; |
| |
| function pull(array, values) { |
| return isPull |
| ? func.apply(undefined, [array].concat(values)) |
| : func(array, values); |
| } |
| |
| QUnit.test('`_.' + methodName + '` should modify and return the array', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| actual = pull(array, [1, 3]); |
| |
| assert.deepEqual(array, [2]); |
| assert.ok(actual === array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve holes in arrays', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3, 4]; |
| delete array[1]; |
| delete array[3]; |
| |
| pull(array, [1]); |
| assert.notOk('0' in array); |
| assert.notOk('2' in array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat holes as `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| delete array[1]; |
| |
| pull(array, [undefined]); |
| assert.deepEqual(array, [1, 3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, NaN, 3, NaN]; |
| |
| pull(array, [NaN]); |
| assert.deepEqual(array, [1, 3]); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.pullAt'); |
| |
| (function() { |
| QUnit.test('should modify the array and return removed elements', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| actual = _.pullAt(array, [0, 1]); |
| |
| assert.deepEqual(array, [3]); |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('should work with unsorted indexes', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12], |
| actual = _.pullAt(array, [1, 3, 11, 7, 5, 9]); |
| |
| assert.deepEqual(array, [1, 3, 5, 7, 9, 11]); |
| assert.deepEqual(actual, [2, 4, 12, 8, 6, 10]); |
| }); |
| |
| QUnit.test('should work with repeated indexes', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3, 4], |
| actual = _.pullAt(array, [0, 2, 0, 1, 0, 2]); |
| |
| assert.deepEqual(array, [4]); |
| assert.deepEqual(actual, [1, 3, 1, 2, 1, 3]); |
| }); |
| |
| QUnit.test('should use `undefined` for nonexistent indexes', function(assert) { |
| assert.expect(2); |
| |
| var array = ['a', 'b', 'c'], |
| actual = _.pullAt(array, [2, 4, 0]); |
| |
| assert.deepEqual(array, ['b']); |
| assert.deepEqual(actual, ['c', undefined, 'a']); |
| }); |
| |
| QUnit.test('should flatten `indexes`', function(assert) { |
| assert.expect(4); |
| |
| var array = ['a', 'b', 'c']; |
| assert.deepEqual(_.pullAt(array, 2, 0), ['c', 'a']); |
| assert.deepEqual(array, ['b']); |
| |
| array = ['a', 'b', 'c', 'd']; |
| assert.deepEqual(_.pullAt(array, [3, 0], 2), ['d', 'a', 'c']); |
| assert.deepEqual(array, ['b']); |
| }); |
| |
| QUnit.test('should return an empty array when no indexes are given', function(assert) { |
| assert.expect(4); |
| |
| var array = ['a', 'b', 'c'], |
| actual = _.pullAt(array); |
| |
| assert.deepEqual(array, ['a', 'b', 'c']); |
| assert.deepEqual(actual, []); |
| |
| actual = _.pullAt(array, [], []); |
| |
| assert.deepEqual(array, ['a', 'b', 'c']); |
| assert.deepEqual(actual, []); |
| }); |
| |
| QUnit.test('should work with non-index paths', function(assert) { |
| assert.expect(2); |
| |
| var values = lodashStable.reject(empties, function(value) { |
| return (value === 0) || lodashStable.isArray(value); |
| }).concat(-1, 1.1); |
| |
| var array = lodashStable.transform(values, function(result, value) { |
| result[value] = 1; |
| }, []); |
| |
| var expected = lodashStable.map(values, alwaysOne), |
| actual = _.pullAt(array, values); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(values, noop), |
| actual = lodashStable.at(array, values); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| var array = [-1]; |
| array['-0'] = -2; |
| return _.pullAt(array, key); |
| }); |
| |
| assert.deepEqual(actual, [[-2], [-2], [-1], [-1]]); |
| }); |
| |
| QUnit.test('should work with deep paths', function(assert) { |
| assert.expect(3); |
| |
| var array = []; |
| array.a = { 'b': 2 }; |
| |
| var actual = _.pullAt(array, 'a.b'); |
| |
| assert.deepEqual(actual, [2]); |
| assert.deepEqual(array.a, {}); |
| |
| try { |
| actual = _.pullAt(array, 'a.b.c'); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, [undefined]); |
| }); |
| |
| QUnit.test('should work with a falsey `array` argument when keys are given', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.slice(), |
| expected = lodashStable.map(values, lodashStable.constant(Array(4))); |
| |
| var actual = lodashStable.map(values, function(array) { |
| try { |
| return _.pullAt(array, 0, 1, 'pop', 'push'); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.random'); |
| |
| (function() { |
| var array = Array(1000); |
| |
| QUnit.test('should return `0` or `1` when no arguments are given', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.uniq(lodashStable.map(array, function() { |
| return _.random(); |
| })).sort(); |
| |
| assert.deepEqual(actual, [0, 1]); |
| }); |
| |
| QUnit.test('should support a `min` and `max` argument', function(assert) { |
| assert.expect(1); |
| |
| var min = 5, |
| max = 10; |
| |
| assert.ok(_.some(array, function() { |
| var result = _.random(min, max); |
| return result >= min && result <= max; |
| })); |
| }); |
| |
| QUnit.test('should support not providing a `max` argument', function(assert) { |
| assert.expect(1); |
| |
| var min = 0, |
| max = 5; |
| |
| assert.ok(_.some(array, function() { |
| var result = _.random(max); |
| return result >= min && result <= max; |
| })); |
| }); |
| |
| QUnit.test('should swap `min` and `max` when `min` > `max`', function(assert) { |
| assert.expect(1); |
| |
| var min = 4, |
| max = 2, |
| expected = [2, 3, 4]; |
| |
| var actual = lodashStable.uniq(lodashStable.map(array, function() { |
| return _.random(min, max); |
| })).sort(); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should support large integer values', function(assert) { |
| assert.expect(2); |
| |
| var min = Math.pow(2, 31), |
| max = Math.pow(2, 62); |
| |
| assert.ok(lodashStable.every(array, function() { |
| var result = _.random(min, max); |
| return result >= min && result <= max; |
| })); |
| |
| assert.ok(_.some(array, function() { |
| return _.random(MAX_INTEGER) > 0; |
| })); |
| }); |
| |
| QUnit.test('should coerce arguments to finite numbers', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.random('1', '1'), 1); |
| assert.strictEqual(_.random(NaN, NaN), 0); |
| }); |
| |
| QUnit.test('should support floats', function(assert) { |
| assert.expect(2); |
| |
| var min = 1.5, |
| max = 1.6, |
| actual = _.random(min, max); |
| |
| assert.ok(actual % 1); |
| assert.ok(actual >= min && actual <= max); |
| }); |
| |
| QUnit.test('should support providing a `floating` argument', function(assert) { |
| assert.expect(3); |
| |
| var actual = _.random(true); |
| assert.ok(actual % 1 && actual >= 0 && actual <= 1); |
| |
| actual = _.random(2, true); |
| assert.ok(actual % 1 && actual >= 0 && actual <= 2); |
| |
| actual = _.random(2, 4, true); |
| assert.ok(actual % 1 && actual >= 2 && actual <= 4); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3], |
| expected = lodashStable.map(array, alwaysTrue), |
| randoms = lodashStable.map(array, _.random); |
| |
| var actual = lodashStable.map(randoms, function(result, index) { |
| return result >= 0 && result <= array[index] && (result % 1) == 0; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('range methods'); |
| |
| lodashStable.each(['range', 'rangeRight'], function(methodName) { |
| var func = _[methodName], |
| isRange = methodName == 'range'; |
| |
| function resolve(range) { |
| return isRange ? range : range.reverse(); |
| } |
| |
| QUnit.test('`_.' + methodName + '` should infer the sign of `step` when only `end` is given', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(4), resolve([0, 1, 2, 3])); |
| assert.deepEqual(func(-4), resolve([0, -1, -2, -3])); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should infer the sign of `step` when only `start` and `end` are given', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(1, 5), resolve([1, 2, 3, 4])); |
| assert.deepEqual(func(5, 1), resolve([5, 4, 3, 2])); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `start`, `end`, and `step` arguments', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(func(0, -4, -1), resolve([0, -1, -2, -3])); |
| assert.deepEqual(func(5, 1, -1), resolve([5, 4, 3, 2])); |
| assert.deepEqual(func(0, 20, 5), resolve([0, 5, 10, 15])); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support a `step` of `0`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(1, 4, 0), [1, 1, 1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a `step` larger than `end`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(1, 5, 20), [1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a negative `step`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(0, -4, -1), resolve([0, -1, -2, -3])); |
| assert.deepEqual(func(21, 10, -3), resolve([21, 18, 15, 12])); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support `start` of `-0`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(-0, 1); |
| assert.strictEqual(1 / actual[0], -Infinity); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat falsey `start` arguments as `0`', function(assert) { |
| assert.expect(13); |
| |
| lodashStable.each(falsey, function(value, index) { |
| if (index) { |
| assert.deepEqual(func(value), []); |
| assert.deepEqual(func(value, 1), [0]); |
| } else { |
| assert.deepEqual(func(), []); |
| } |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce arguments to finite numbers', function(assert) { |
| assert.expect(1); |
| |
| var actual = [func('0', 1), func('1'), func(0, 1, '1'), func(NaN), func(NaN, NaN)]; |
| assert.deepEqual(actual, [[0], [0], [0], [], []]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| object = { 'a': 1, 'b': 2, 'c': 3 }, |
| expected = lodashStable.map([[0], [0, 1], [0, 1, 2]], resolve); |
| |
| lodashStable.each([array, object], function(collection) { |
| var actual = lodashStable.map(collection, func); |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.rearg'); |
| |
| (function() { |
| function fn() { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should reorder arguments provided to `func`', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, [2, 0, 1]); |
| assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should work with repeated indexes', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, [1, 1, 1]); |
| assert.deepEqual(rearged('c', 'a', 'b'), ['a', 'a', 'a']); |
| }); |
| |
| QUnit.test('should use `undefined` for nonexistent indexes', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, [1, 4]); |
| assert.deepEqual(rearged('b', 'a', 'c'), ['a', undefined, 'c']); |
| }); |
| |
| QUnit.test('should use `undefined` for non-index values', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.reject(empties, function(value) { |
| return (value === 0) || lodashStable.isArray(value); |
| }).concat(-1, 1.1); |
| |
| var expected = lodashStable.map(values, lodashStable.constant([undefined, 'b', 'c'])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var rearged = _.rearg(fn, [value]); |
| return rearged('a', 'b', 'c'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not rearrange arguments when no indexes are given', function(assert) { |
| assert.expect(2); |
| |
| var rearged = _.rearg(fn); |
| assert.deepEqual(rearged('a', 'b', 'c'), ['a', 'b', 'c']); |
| |
| rearged = _.rearg(fn, [], []); |
| assert.deepEqual(rearged('a', 'b', 'c'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should accept multiple index arguments', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, 2, 0, 1); |
| assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should accept multiple arrays of indexes', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, [2], [0, 1]); |
| assert.deepEqual(rearged('b', 'c', 'a'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should work with fewer indexes than arguments', function(assert) { |
| assert.expect(1); |
| |
| var rearged = _.rearg(fn, [1, 0]); |
| assert.deepEqual(rearged('b', 'a', 'c'), ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should work on functions that have been rearged', function(assert) { |
| assert.expect(1); |
| |
| var rearged1 = _.rearg(fn, 2, 1, 0), |
| rearged2 = _.rearg(rearged1, 1, 0, 2); |
| |
| assert.deepEqual(rearged2('b', 'c', 'a'), ['a', 'b', 'c']); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.reduce'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should use the first element of a collection as the default `accumulator`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.reduce(array), 1); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments when iterating an array', function(assert) { |
| assert.expect(2); |
| |
| var args; |
| |
| _.reduce(array, function() { |
| args || (args = slice.call(arguments)); |
| }, 0); |
| |
| assert.deepEqual(args, [0, 1, 0, array]); |
| |
| args = undefined; |
| _.reduce(array, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [1, 2, 1, array]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments when iterating an object', function(assert) { |
| assert.expect(2); |
| |
| var args, |
| object = { 'a': 1, 'b': 2 }, |
| firstKey = _.head(_.keys(object)); |
| |
| var expected = firstKey == 'a' |
| ? [0, 1, 'a', object] |
| : [0, 2, 'b', object]; |
| |
| _.reduce(object, function() { |
| args || (args = slice.call(arguments)); |
| }, 0); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| expected = firstKey == 'a' |
| ? [1, 2, 'b', object] |
| : [2, 1, 'a', object]; |
| |
| _.reduce(object, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.reduceRight'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should use the last element of a collection as the default `accumulator`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.reduceRight(array), 3); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments when iterating an array', function(assert) { |
| assert.expect(2); |
| |
| var args; |
| |
| _.reduceRight(array, function() { |
| args || (args = slice.call(arguments)); |
| }, 0); |
| |
| assert.deepEqual(args, [0, 3, 2, array]); |
| |
| args = undefined; |
| _.reduceRight(array, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [3, 2, 1, array]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments when iterating an object', function(assert) { |
| assert.expect(2); |
| |
| var args, |
| object = { 'a': 1, 'b': 2 }, |
| isFIFO = lodashStable.keys(object)[0] == 'a'; |
| |
| var expected = isFIFO |
| ? [0, 2, 'b', object] |
| : [0, 1, 'a', object]; |
| |
| _.reduceRight(object, function() { |
| args || (args = slice.call(arguments)); |
| }, 0); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| expected = isFIFO |
| ? [2, 1, 'a', object] |
| : [1, 2, 'b', object]; |
| |
| _.reduceRight(object, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('reduce methods'); |
| |
| lodashStable.each(['reduce', 'reduceRight'], function(methodName) { |
| var func = _[methodName], |
| array = [1, 2, 3], |
| isReduce = methodName == 'reduce'; |
| |
| QUnit.test('`_.' + methodName + '` should reduce a collection to a single value', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(['a', 'b', 'c'], function(accumulator, value) { |
| return accumulator + value; |
| }, ''); |
| |
| assert.strictEqual(actual, isReduce ? 'abc' : 'cba'); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support empty collections without an initial `accumulator` value', function(assert) { |
| assert.expect(1); |
| |
| var actual = [], |
| expected = lodashStable.map(empties, noop); |
| |
| lodashStable.each(empties, function(value) { |
| try { |
| actual.push(func(value, noop)); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support empty collections with an initial `accumulator` value', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, lodashStable.constant('x')); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| try { |
| return func(value, noop, 'x'); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle an initial `accumulator` value of `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([], noop, undefined); |
| assert.strictEqual(actual, undefined); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `undefined` for empty collections when no `accumulator` is given (test in IE > 9 and modern browsers)', function(assert) { |
| assert.expect(2); |
| |
| var array = [], |
| object = { '0': 1, 'length': 0 }; |
| |
| if ('__proto__' in array) { |
| array.__proto__ = object; |
| assert.strictEqual(func(array, noop), undefined); |
| } |
| else { |
| skipAssert(assert); |
| } |
| assert.strictEqual(func(object, noop), undefined); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.strictEqual(_(array)[methodName](add), 6); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(array).chain()[methodName](add) instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.reject'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should return elements the `predicate` returns falsey for', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.reject(array, isEven), [1, 3]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('filter methods'); |
| |
| lodashStable.each(['filter', 'reject'], function(methodName) { |
| var array = [1, 2, 3, 4], |
| func = _[methodName], |
| isFilter = methodName == 'filter', |
| objects = [{ 'a': 0 }, { 'a': 1 }]; |
| |
| QUnit.test('`_.' + methodName + '` should not modify the resulting value from within `predicate`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([0], function(value, index, array) { |
| array[index] = 1; |
| return isFilter; |
| }); |
| |
| assert.deepEqual(actual, [0]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(objects, 'a'), [objects[isFilter ? 1 : 0]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(objects, objects[1]), [objects[isFilter ? 1 : 0]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not modify wrapped values', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _(array); |
| |
| var actual = wrapped[methodName](function(n) { |
| return n < 3; |
| }); |
| |
| assert.deepEqual(actual.value(), isFilter ? [1, 2] : [3, 4]); |
| |
| actual = wrapped[methodName](function(n) { |
| return n > 2; |
| }); |
| |
| assert.deepEqual(actual.value(), isFilter ? [3, 4] : [1, 2]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| predicate = function(value) { return isFilter ? isEven(value) : !isEven(value); }, |
| actual = _(array).slice(1).map(square)[methodName](predicate).value(); |
| |
| assert.deepEqual(actual, _[methodName](lodashStable.map(array.slice(1), square), predicate)); |
| |
| var object = lodashStable.zipObject(lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return ['key' + index, index]; |
| })); |
| |
| actual = _(object).mapValues(square)[methodName](predicate).value(); |
| assert.deepEqual(actual, _[methodName](lodashStable.mapValues(object, square), predicate)); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct `predicate` arguments in a lazy sequence', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var args, |
| array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| expected = [1, 0, lodashStable.map(array.slice(1), square)]; |
| |
| _(array).slice(1)[methodName](function(value, index, array) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, [1, 0, array.slice(1)]); |
| |
| args = undefined; |
| _(array).slice(1).map(square)[methodName](function(value, index, array) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| _(array).slice(1).map(square)[methodName](function(value, index) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| args = undefined; |
| _(array).slice(1).map(square)[methodName](function(value) { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, [1]); |
| |
| args = undefined; |
| _(array).slice(1).map(square)[methodName](function() { |
| args || (args = slice.call(arguments)); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.remove'); |
| |
| (function() { |
| QUnit.test('should modify the array and return removed elements', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3, 4]; |
| |
| var actual = _.remove(array, function(n) { |
| return n % 2 == 0; |
| }); |
| |
| assert.deepEqual(array, [1, 3]); |
| assert.deepEqual(actual, [2, 4]); |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments', function(assert) { |
| assert.expect(1); |
| |
| var argsList = [], |
| array = [1, 2, 3], |
| clone = array.slice(); |
| |
| _.remove(array, function(n, index) { |
| var args = slice.call(arguments); |
| args[2] = args[2].slice(); |
| argsList.push(args); |
| return isEven(index); |
| }); |
| |
| assert.deepEqual(argsList, [[1, 0, clone], [2, 1, clone], [3, 2, clone]]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }]; |
| _.remove(objects, { 'a': 1 }); |
| assert.deepEqual(objects, [{ 'a': 0, 'b': 1 }]); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': 0, 'b': 1 }, { 'a': 1, 'b': 2 }]; |
| _.remove(objects, ['a', 1]); |
| assert.deepEqual(objects, [{ 'a': 0, 'b': 1 }]); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'a': 0 }, { 'a': 1 }]; |
| _.remove(objects, 'a'); |
| assert.deepEqual(objects, [{ 'a': 0 }]); |
| }); |
| |
| QUnit.test('should preserve holes in arrays', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3, 4]; |
| delete array[1]; |
| delete array[3]; |
| |
| _.remove(array, function(n) { |
| return n === 1; |
| }); |
| |
| assert.notOk('0' in array); |
| assert.notOk('2' in array); |
| }); |
| |
| QUnit.test('should treat holes as `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| delete array[1]; |
| |
| _.remove(array, function(n) { |
| return n == null; |
| }); |
| |
| assert.deepEqual(array, [1, 3]); |
| }); |
| |
| QUnit.test('should not mutate the array until all elements to remove are determined', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3]; |
| |
| _.remove(array, function(n, index) { |
| return isEven(index); |
| }); |
| |
| assert.deepEqual(array, [2]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.repeat'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should repeat a string `n` times', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.repeat('*', 3), '***'); |
| assert.strictEqual(_.repeat(string, 2), 'abcabc'); |
| }); |
| |
| QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? string : ''; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(n, index) { |
| return index ? _.repeat(string, n) : _.repeat(string); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an empty string if `n` is <= `0`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.repeat(string, 0), ''); |
| assert.strictEqual(_.repeat(string, -2), ''); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.repeat(string, '2'), 'abcabc'); |
| assert.strictEqual(_.repeat(string, 2.6), 'abcabc'); |
| assert.strictEqual(_.repeat('*', { 'valueOf': alwaysThree }), '***'); |
| }); |
| |
| QUnit.test('should coerce `string` to a string', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.repeat(Object(string), 2), 'abcabc'); |
| assert.strictEqual(_.repeat({ 'toString': lodashStable.constant('*') }, 3), '***'); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(['a', 'b', 'c'], _.repeat); |
| assert.deepEqual(actual, ['a', 'b', 'c']); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.replace'); |
| |
| (function() { |
| QUnit.test('should replace the matched pattern', function(assert) { |
| assert.expect(2); |
| |
| var string = 'abcde'; |
| assert.strictEqual(_.replace(string, 'de', '123'), 'abc123'); |
| assert.strictEqual(_.replace(string, /[bd]/g, '-'), 'a-c-e'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.result'); |
| |
| (function() { |
| var object = { 'a': 1, 'b': alwaysB }; |
| |
| QUnit.test('should invoke function values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.result(object, 'b'), 'b'); |
| }); |
| |
| QUnit.test('should invoke default function values', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.result(object, 'c', object.b); |
| assert.strictEqual(actual, 'b'); |
| }); |
| |
| QUnit.test('should invoke nested function values', function(assert) { |
| assert.expect(2); |
| |
| var value = { 'a': lodashStable.constant({ 'b': alwaysB }) }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(_.result(value, path), 'b'); |
| }); |
| }); |
| |
| QUnit.test('should invoke deep property methods with the correct `this` binding', function(assert) { |
| assert.expect(2); |
| |
| var value = { 'a': { 'b': function() { return this.c; }, 'c': 1 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(_.result(value, path), 1); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.get and lodash.result'); |
| |
| lodashStable.each(['get', 'result'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should get string keyed property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1 }; |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| assert.strictEqual(func(object, path), 1); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var object = { '-0': 'a', '0': 'b' }, |
| props = [-0, Object(-0), 0, Object(0)]; |
| |
| var actual = lodashStable.map(props, function(key) { |
| return func(object, key); |
| }); |
| |
| assert.deepEqual(actual, ['a', 'a', 'b', 'b']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should get symbol keyed property values', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol) { |
| var object = {}; |
| object[symbol] = 1; |
| |
| assert.strictEqual(func(object, symbol), 1); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should get deep property values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(func(object, path), 2); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should get a key over a path', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a.b': 1, 'a': { 'b': 2 } }; |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| assert.strictEqual(func(object, path), 1); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not coerce array paths to strings', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a,b,c': 3, 'a': { 'b': { 'c': 4 } } }; |
| assert.strictEqual(func(object, ['a', 'b', 'c']), 4); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore empty brackets', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1 }; |
| assert.strictEqual(func(object, 'a[]'), 1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle empty paths', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([['', ''], [[], ['']]], function(pair) { |
| assert.strictEqual(func({}, pair[0]), undefined); |
| assert.strictEqual(func({ '': 3 }, pair[1]), 3); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle complex paths', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { '-1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': 8 } } } } } } } }; |
| |
| var paths = [ |
| 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g', |
| ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g'] |
| ]; |
| |
| lodashStable.each(paths, function(path) { |
| assert.strictEqual(func(object, path), 8); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `undefined` when `object` is nullish', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['constructor', ['constructor']], function(path) { |
| assert.strictEqual(func(null, path), undefined); |
| assert.strictEqual(func(undefined, path), undefined); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `undefined` with deep paths when `object` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [null, undefined], |
| expected = lodashStable.map(values, noop), |
| paths = ['constructor.prototype.valueOf', ['constructor', 'prototype', 'valueOf']]; |
| |
| lodashStable.each(paths, function(path) { |
| var actual = lodashStable.map(values, function(value) { |
| return func(value, path); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `undefined` if parts of `path` are missing', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': [, null] }; |
| |
| lodashStable.each(['a[1].b.c', ['a', '1', 'b', 'c']], function(path) { |
| assert.strictEqual(func(object, path), undefined); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should be able to return `null` values', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { 'b': null } }; |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| assert.strictEqual(func(object, path), null); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) { |
| assert.expect(2); |
| |
| var paths = ['a.b', ['a', 'b']]; |
| |
| lodashStable.each(paths, function(path) { |
| numberProto.a = { 'b': 2 }; |
| assert.strictEqual(func(0, path), 2); |
| delete numberProto.a; |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return the default value for `undefined` values', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': {} }, |
| values = empties.concat(true, new Date, 1, /x/, 'a'); |
| |
| var expected = lodashStable.transform(values, function(result, value) { |
| result.push(value, value, value, value); |
| }); |
| |
| var actual = lodashStable.transform(values, function(result, value) { |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| result.push( |
| func(object, path, value), |
| func(null, path, value) |
| ); |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return the default value when `path` is empty', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func({}, [], 'a'), 'a'); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.rest'); |
| |
| (function() { |
| function fn(a, b, c) { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should apply a rest parameter to `func`', function(assert) { |
| assert.expect(1); |
| |
| var rest = _.rest(fn); |
| assert.deepEqual(rest(1, 2, 3, 4), [1, 2, [3, 4]]); |
| }); |
| |
| QUnit.test('should work with `start`', function(assert) { |
| assert.expect(1); |
| |
| var rest = _.rest(fn, 1); |
| assert.deepEqual(rest(1, 2, 3, 4), [1, [2, 3, 4]]); |
| }); |
| |
| QUnit.test('should treat `start` as `0` for negative or `NaN` values', function(assert) { |
| assert.expect(1); |
| |
| var values = [-1, NaN, 'a'], |
| expected = lodashStable.map(values, lodashStable.constant([[1, 2, 3, 4]])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var rest = _.rest(fn, value); |
| return rest(1, 2, 3, 4); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce `start` to an integer', function(assert) { |
| assert.expect(1); |
| |
| var rest = _.rest(fn, 1.6); |
| assert.deepEqual(rest(1, 2, 3), [1, [2, 3]]); |
| }); |
| |
| QUnit.test('should use an empty array when `start` is not reached', function(assert) { |
| assert.expect(1); |
| |
| var rest = _.rest(fn); |
| assert.deepEqual(rest(1), [1, undefined, []]); |
| }); |
| |
| QUnit.test('should work on functions with more than three parameters', function(assert) { |
| assert.expect(1); |
| |
| var rest = _.rest(function(a, b, c, d) { |
| return slice.call(arguments); |
| }); |
| |
| assert.deepEqual(rest(1, 2, 3, 4, 5), [1, 2, 3, [4, 5]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.reverse'); |
| |
| (function() { |
| var largeArray = lodashStable.range(LARGE_ARRAY_SIZE).concat(null), |
| smallArray = [0, 1, 2, null]; |
| |
| QUnit.test('should reverse `array`', function(assert) { |
| assert.expect(2); |
| |
| var array = [1, 2, 3], |
| actual = _.reverse(array); |
| |
| assert.deepEqual(array, [3, 2, 1]); |
| assert.strictEqual(actual, array); |
| }); |
| |
| QUnit.test('should return the wrapped reversed `array`', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| lodashStable.times(2, function(index) { |
| var array = (index ? largeArray : smallArray).slice(), |
| clone = array.slice(), |
| wrapped = _(array).reverse(), |
| actual = wrapped.value(); |
| |
| assert.ok(wrapped instanceof _); |
| assert.strictEqual(actual, array); |
| assert.deepEqual(actual, clone.slice().reverse()); |
| }); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| lodashStable.times(2, function(index) { |
| var array = (index ? largeArray : smallArray).slice(), |
| expected = array.slice(), |
| actual = _(array).slice(1).reverse().value(); |
| |
| assert.deepEqual(actual, expected.slice(1).reverse()); |
| assert.deepEqual(array, expected); |
| }); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should be lazy when in a lazy sequence', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var spy = { |
| 'toString': function() { |
| throw new Error('spy was revealed'); |
| } |
| }; |
| |
| var array = largeArray.concat(spy), |
| expected = array.slice(); |
| |
| try { |
| var wrapped = _(array).slice(1).map(String).reverse(), |
| actual = wrapped.last(); |
| } catch (e) {} |
| |
| assert.ok(wrapped instanceof _); |
| assert.strictEqual(actual, '1'); |
| assert.deepEqual(array, expected); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should work in a hybrid sequence', function(assert) { |
| assert.expect(8); |
| |
| if (!isNpm) { |
| lodashStable.times(2, function(index) { |
| var clone = (index ? largeArray : smallArray).slice(); |
| |
| lodashStable.each(['map', 'filter'], function(methodName) { |
| var array = clone.slice(), |
| expected = clone.slice(1, -1).reverse(), |
| actual = _(array)[methodName](identity).thru(_.compact).reverse().value(); |
| |
| assert.deepEqual(actual, expected); |
| |
| array = clone.slice(); |
| actual = _(array).thru(_.compact)[methodName](identity).pull(1).push(3).reverse().value(); |
| |
| assert.deepEqual(actual, [3].concat(expected.slice(0, -1))); |
| }); |
| }); |
| } |
| else { |
| skipAssert(assert, 8); |
| } |
| }); |
| |
| QUnit.test('should track the `__chain__` value of a wrapper', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| lodashStable.times(2, function(index) { |
| var array = (index ? largeArray : smallArray).slice(), |
| expected = array.slice().reverse(), |
| wrapped = _(array).chain().reverse().head(); |
| |
| assert.ok(wrapped instanceof _); |
| assert.strictEqual(wrapped.value(), _.head(expected)); |
| assert.deepEqual(array, expected); |
| }); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('round methods'); |
| |
| lodashStable.each(['ceil', 'floor', 'round'], function(methodName) { |
| var func = _[methodName], |
| isCeil = methodName == 'ceil', |
| isFloor = methodName == 'floor'; |
| |
| QUnit.test('`_.' + methodName + '` should return a rounded number without a precision', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(4.006); |
| assert.strictEqual(actual, isCeil ? 5 : 4); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a precision of `0`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(4.006, 0); |
| assert.strictEqual(actual, isCeil ? 5 : 4); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a positive precision', function(assert) { |
| assert.expect(2); |
| |
| var actual = func(4.016, 2); |
| assert.strictEqual(actual, isFloor ? 4.01 : 4.02); |
| |
| actual = func(4.1, 2); |
| assert.strictEqual(actual, 4.1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a negative precision', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(4160, -2); |
| assert.strictEqual(actual, isFloor ? 4100 : 4200); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `precision` to an integer', function(assert) { |
| assert.expect(3); |
| |
| var actual = func(4.006, NaN); |
| assert.strictEqual(actual, isCeil ? 5 : 4); |
| |
| var expected = isFloor ? 4.01 : 4.02; |
| |
| actual = func(4.016, 2.6); |
| assert.strictEqual(actual, expected); |
| |
| actual = func(4.016, '+2'); |
| assert.strictEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with exponential notation and `precision`', function(assert) { |
| assert.expect(3); |
| |
| var actual = func(5e1, 2); |
| assert.deepEqual(actual, 50); |
| |
| actual = func('5e', 1); |
| assert.deepEqual(actual, NaN); |
| |
| actual = func('5e1e1', 1); |
| assert.deepEqual(actual, NaN); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var values = [[0], [-0], ['0'], ['-0'], [0, 1], [-0, 1], ['0', 1], ['-0', 1]], |
| expected = [Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity, Infinity, -Infinity]; |
| |
| var actual = lodashStable.map(values, function(args) { |
| return 1 / func.apply(undefined, args); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.runInContext'); |
| |
| (function() { |
| QUnit.test('should not require a fully populated `context` object', function(assert) { |
| assert.expect(1); |
| |
| if (!isModularize) { |
| var lodash = _.runInContext({ |
| 'setTimeout': function(callback) { |
| callback(); |
| } |
| }); |
| |
| var pass = false; |
| lodash.delay(function() { pass = true; }, 32); |
| assert.ok(pass); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should use a zeroed `_.uniqueId` counter', function(assert) { |
| assert.expect(3); |
| |
| if (!isModularize) { |
| lodashStable.times(2, _.uniqueId); |
| |
| var oldId = Number(_.uniqueId()), |
| lodash = _.runInContext(); |
| |
| assert.ok(_.uniqueId() > oldId); |
| |
| var id = lodash.uniqueId(); |
| assert.strictEqual(id, '1'); |
| assert.ok(id < oldId); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.sample'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should return a random element', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sample(array); |
| assert.ok(lodashStable.includes(array, actual)); |
| }); |
| |
| QUnit.test('should return `undefined` when sampling empty collections', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, noop); |
| |
| var actual = lodashStable.transform(empties, function(result, value) { |
| try { |
| result.push(_.sample(value)); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should sample an object', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| actual = _.sample(object); |
| |
| assert.ok(lodashStable.includes(array, actual)); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.sampleSize'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should return an array of random elements', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.sampleSize(array, 2); |
| |
| assert.strictEqual(actual.length, 2); |
| assert.deepEqual(lodashStable.difference(actual, array), []); |
| }); |
| |
| QUnit.test('should contain elements of the collection', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sampleSize(array, array.length).sort(); |
| |
| assert.deepEqual(actual, array); |
| }); |
| |
| QUnit.test('should treat falsey `size` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? ['a'] : []; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(size, index) { |
| return index ? _.sampleSize(['a'], size) : _.sampleSize(['a']); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an empty array when `n` < `1` or `NaN`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([0, -1, -Infinity], function(n) { |
| assert.deepEqual(_.sampleSize(array, n), []); |
| }); |
| }); |
| |
| QUnit.test('should return all elements when `n` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) { |
| var actual = _.sampleSize(array, n).sort(); |
| assert.deepEqual(actual, array); |
| }); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sampleSize(array, 1.6); |
| assert.strictEqual(actual.length, 1); |
| }); |
| |
| QUnit.test('should return an empty array for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysEmptyArray); |
| |
| var actual = lodashStable.transform(empties, function(result, value) { |
| try { |
| result.push(_.sampleSize(value, 1)); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should sample an object', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': 1, 'b': 2, 'c': 3 }, |
| actual = _.sampleSize(object, 2); |
| |
| assert.strictEqual(actual.length, 2); |
| assert.deepEqual(lodashStable.difference(actual, lodashStable.values(object)), []); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([['a']], _.sampleSize); |
| assert.deepEqual(actual, [['a']]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.setWith'); |
| |
| (function() { |
| QUnit.test('should work with a `customizer` callback', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.setWith({ '0': {} }, '[0][1][2]', 3, function(value) { |
| return lodashStable.isObject(value) ? undefined : {}; |
| }); |
| |
| assert.deepEqual(actual, { '0': { '1': { '2': 3 } } }); |
| }); |
| |
| QUnit.test('should work with a `customizer` that returns `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.setWith({}, 'a[0].b.c', 4, noop); |
| assert.deepEqual(actual, { 'a': [{ 'b': { 'c': 4 } }] }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('set methods'); |
| |
| lodashStable.each(['update', 'updateWith', 'set', 'setWith'], function(methodName) { |
| var func = _[methodName], |
| isUpdate = methodName == 'update' || methodName == 'updateWith'; |
| |
| var oldValue = 1, |
| value = 2, |
| updater = isUpdate ? lodashStable.constant(value) : value; |
| |
| QUnit.test('`_.' + methodName + '` should set property values', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var object = { 'a': oldValue }, |
| actual = func(object, path, updater); |
| |
| assert.strictEqual(actual, object); |
| assert.strictEqual(object.a, value); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var props = [-0, Object(-0), 0, Object(0)], |
| expected = lodashStable.map(props, lodashStable.constant(value)); |
| |
| var actual = lodashStable.map(props, function(key) { |
| var object = { '-0': 'a', '0': 'b' }; |
| func(object, key, updater); |
| return object[lodashStable.toString(key)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should unset symbol keyed property values', function(assert) { |
| assert.expect(2); |
| |
| if (Symbol) { |
| var object = {}; |
| object[symbol] = 1; |
| |
| assert.strictEqual(_.unset(object, symbol), true); |
| assert.notOk(symbol in object); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should set deep property values', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var object = { 'a': { 'b': oldValue } }, |
| actual = func(object, path, updater); |
| |
| assert.strictEqual(actual, object); |
| assert.strictEqual(object.a.b, value); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should set a key over a path', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a.b', ['a.b']], function(path) { |
| var object = { 'a.b': oldValue }, |
| actual = func(object, path, updater); |
| |
| assert.strictEqual(actual, object); |
| assert.deepEqual(object, { 'a.b': value }); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not coerce array paths to strings', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a,b,c': 1, 'a': { 'b': { 'c': 1 } } }; |
| |
| func(object, ['a', 'b', 'c'], updater); |
| assert.strictEqual(object.a.b.c, value); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore empty brackets', function(assert) { |
| assert.expect(1); |
| |
| var object = {}; |
| |
| func(object, 'a[]', updater); |
| assert.deepEqual(object, { 'a': value }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle empty paths', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([['', ''], [[], ['']]], function(pair, index) { |
| var object = {}; |
| |
| func(object, pair[0], updater); |
| assert.deepEqual(object, index ? {} : { '': value }); |
| |
| func(object, pair[1], updater); |
| assert.deepEqual(object, { '': value }); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should handle complex paths', function(assert) { |
| assert.expect(2); |
| |
| var object = { 'a': { '1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': oldValue } } } } } } } }; |
| |
| var paths = [ |
| 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g', |
| ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g'] |
| ]; |
| |
| lodashStable.each(paths, function(path) { |
| func(object, path, updater); |
| assert.strictEqual(object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f.g, value); |
| object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f.g = oldValue; |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should create parts of `path` that are missing', function(assert) { |
| assert.expect(6); |
| |
| var object = {}; |
| |
| lodashStable.each(['a[1].b.c', ['a', '1', 'b', 'c']], function(path) { |
| var actual = func(object, path, updater); |
| |
| assert.strictEqual(actual, object); |
| assert.deepEqual(actual, { 'a': [undefined, { 'b': { 'c': value } }] }); |
| assert.notOk('0' in object.a); |
| |
| delete object.a; |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not error when `object` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined], |
| expected = [[null, null], [undefined, undefined]]; |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| return [func(value, 'a.b', updater), func(value, ['a', 'b'], updater)]; |
| } catch (e) { |
| return e.message; |
| } |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should follow `path` over non-plain objects', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': '' }, |
| paths = ['constructor.prototype.a', ['constructor', 'prototype', 'a']]; |
| |
| lodashStable.each(paths, function(path) { |
| func(0, path, updater); |
| assert.strictEqual(0..a, value); |
| delete numberProto.a; |
| }); |
| |
| lodashStable.each(['a.replace.b', ['a', 'replace', 'b']], function(path) { |
| func(object, path, updater); |
| assert.strictEqual(stringProto.replace.b, value); |
| delete stringProto.replace.b; |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not error on paths over primitives in strict mode', function(assert) { |
| 'use strict'; |
| |
| assert.expect(2); |
| |
| lodashStable.each(['a', 'a.a.a'], function(path) { |
| numberProto.a = oldValue; |
| try { |
| func(0, path, updater); |
| assert.strictEqual(0..a, oldValue); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| }); |
| |
| delete numberProto.a; |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not create an array for missing non-index property names that start with numbers', function(assert) { |
| assert.expect(1); |
| |
| var object = {}; |
| |
| func(object, ['1a', '2b', '3c'], updater); |
| assert.deepEqual(object, { '1a': { '2b': { '3c': value } } }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not assign values that are the same as their destinations', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a', ['a'], { 'a': 1 }, NaN], function(value) { |
| if (defineProperty) { |
| var object = {}, |
| pass = true, |
| updater = isUpdate ? lodashStable.constant(value) : value; |
| |
| defineProperty(object, 'a', { |
| 'enumerable': true, |
| 'configurable': true, |
| 'get': lodashStable.constant(value), |
| 'set': function() { pass = false; } |
| }); |
| |
| func(object, 'a', updater); |
| assert.ok(pass); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.shuffle'); |
| |
| (function() { |
| var array = [1, 2, 3], |
| object = { 'a': 1, 'b': 2, 'c': 3 }; |
| |
| QUnit.test('should return a new array', function(assert) { |
| assert.expect(1); |
| |
| assert.notStrictEqual(_.shuffle(array), array); |
| }); |
| |
| QUnit.test('should contain the same elements after a collection is shuffled', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.shuffle(array).sort(), array); |
| assert.deepEqual(_.shuffle(object).sort(), array); |
| }); |
| |
| QUnit.test('should shuffle small collections', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.times(1000, function(assert) { |
| return _.shuffle([1, 2]); |
| }); |
| |
| assert.deepEqual(lodashStable.sortBy(lodashStable.uniqBy(actual, String), '0'), [[1, 2], [2, 1]]); |
| }); |
| |
| QUnit.test('should treat number values for `collection` as empty', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.shuffle(1), []); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.size'); |
| |
| (function() { |
| var args = arguments, |
| array = [1, 2, 3]; |
| |
| QUnit.test('should return the number of own enumerable string keyed properties of an object', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size({ 'one': 1, 'two': 2, 'three': 3 }), 3); |
| }); |
| |
| QUnit.test('should return the length of an array', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size(array), 3); |
| }); |
| |
| QUnit.test('should accept a falsey `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysZero); |
| |
| var actual = lodashStable.map(falsey, function(object, index) { |
| try { |
| return index ? _.size(object) : _.size(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size(args), 3); |
| }); |
| |
| QUnit.test('should work with jQuery/MooTools DOM query collections', function(assert) { |
| assert.expect(1); |
| |
| function Foo(elements) { |
| push.apply(this, elements); |
| } |
| Foo.prototype = { 'length': 0, 'splice': arrayProto.splice }; |
| |
| assert.strictEqual(_.size(new Foo(array)), 3); |
| }); |
| |
| QUnit.test('should work with maps', function(assert) { |
| assert.expect(2); |
| |
| if (Map) { |
| lodashStable.each([new Map, realm.map], function(map) { |
| map.set('a', 1); |
| map.set('b', 2); |
| assert.strictEqual(_.size(map), 2); |
| map.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should work with sets', function(assert) { |
| assert.expect(2); |
| |
| if (Set) { |
| lodashStable.each([new Set, realm.set], function(set) { |
| set.add(1); |
| set.add(2); |
| assert.strictEqual(_.size(set), 2); |
| set.clear(); |
| }); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should not treat objects with negative lengths as array-like', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size({ 'length': -1 }), 1); |
| }); |
| |
| QUnit.test('should not treat objects with lengths larger than `MAX_SAFE_INTEGER` as array-like', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size({ 'length': MAX_SAFE_INTEGER + 1 }), 1); |
| }); |
| |
| QUnit.test('should not treat objects with non-number lengths as array-like', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.size({ 'length': '0' }), 1); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.slice'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should use a default `start` of `0` and a default `end` of `array.length`', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.slice(array); |
| assert.deepEqual(actual, array); |
| assert.notStrictEqual(actual, array); |
| }); |
| |
| QUnit.test('should work with a positive `start`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.slice(array, 1), [2, 3]); |
| assert.deepEqual(_.slice(array, 1, 3), [2, 3]); |
| }); |
| |
| QUnit.test('should work with a `start` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(start) { |
| assert.deepEqual(_.slice(array, start), []); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `start` values as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, lodashStable.constant(array)); |
| |
| var actual = lodashStable.map(falsey, function(start) { |
| return _.slice(array, start); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `start`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.slice(array, -1), [3]); |
| }); |
| |
| QUnit.test('should work with a negative `start` <= negative `array.length`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-3, -4, -Infinity], function(start) { |
| assert.deepEqual(_.slice(array, start), array); |
| }); |
| }); |
| |
| QUnit.test('should work with `start` >= `end`', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([2, 3], function(start) { |
| assert.deepEqual(_.slice(array, start, 2), []); |
| }); |
| }); |
| |
| QUnit.test('should work with a positive `end`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.slice(array, 0, 1), [1]); |
| }); |
| |
| QUnit.test('should work with a `end` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(end) { |
| assert.deepEqual(_.slice(array, 0, end), array); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `end` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? array : []; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(end, index) { |
| return index ? _.slice(array, 0, end) : _.slice(array, 0); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with a negative `end`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.slice(array, 0, -1), [1, 2]); |
| }); |
| |
| QUnit.test('should work with a negative `end` <= negative `array.length`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-3, -4, -Infinity], function(end) { |
| assert.deepEqual(_.slice(array, 0, end), []); |
| }); |
| }); |
| |
| QUnit.test('should coerce `start` and `end` to integers', function(assert) { |
| assert.expect(1); |
| |
| var positions = [[0.1, 1.6], ['0', 1], [0, '1'], ['1'], [NaN, 1], [1, NaN]]; |
| |
| var actual = lodashStable.map(positions, function(pos) { |
| return _.slice.apply(_, [array].concat(pos)); |
| }); |
| |
| assert.deepEqual(actual, [[1], [1], [1], [2, 3], [1], []]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(2); |
| |
| var array = [[1], [2, 3]], |
| actual = lodashStable.map(array, _.slice); |
| |
| assert.deepEqual(actual, array); |
| assert.notStrictEqual(actual, array); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(38); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| length = array.length, |
| wrapped = _(array); |
| |
| lodashStable.each(['map', 'filter'], function(methodName) { |
| assert.deepEqual(wrapped[methodName]().slice(0, -1).value(), array.slice(0, -1)); |
| assert.deepEqual(wrapped[methodName]().slice(1).value(), array.slice(1)); |
| assert.deepEqual(wrapped[methodName]().slice(1, 3).value(), array.slice(1, 3)); |
| assert.deepEqual(wrapped[methodName]().slice(-1).value(), array.slice(-1)); |
| |
| assert.deepEqual(wrapped[methodName]().slice(length).value(), array.slice(length)); |
| assert.deepEqual(wrapped[methodName]().slice(3, 2).value(), array.slice(3, 2)); |
| assert.deepEqual(wrapped[methodName]().slice(0, -length).value(), array.slice(0, -length)); |
| assert.deepEqual(wrapped[methodName]().slice(0, null).value(), array.slice(0, null)); |
| |
| assert.deepEqual(wrapped[methodName]().slice(0, length).value(), array.slice(0, length)); |
| assert.deepEqual(wrapped[methodName]().slice(-length).value(), array.slice(-length)); |
| assert.deepEqual(wrapped[methodName]().slice(null).value(), array.slice(null)); |
| |
| assert.deepEqual(wrapped[methodName]().slice(0, 1).value(), array.slice(0, 1)); |
| assert.deepEqual(wrapped[methodName]().slice(NaN, '1').value(), array.slice(NaN, '1')); |
| |
| assert.deepEqual(wrapped[methodName]().slice(0.1, 1.1).value(), array.slice(0.1, 1.1)); |
| assert.deepEqual(wrapped[methodName]().slice('0', 1).value(), array.slice('0', 1)); |
| assert.deepEqual(wrapped[methodName]().slice(0, '1').value(), array.slice(0, '1')); |
| assert.deepEqual(wrapped[methodName]().slice('1').value(), array.slice('1')); |
| assert.deepEqual(wrapped[methodName]().slice(NaN, 1).value(), array.slice(NaN, 1)); |
| assert.deepEqual(wrapped[methodName]().slice(1, NaN).value(), array.slice(1, NaN)); |
| }); |
| } |
| else { |
| skipAssert(assert, 38); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.some'); |
| |
| (function() { |
| QUnit.test('should return `true` if `predicate` returns truthy for any element', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.some([false, 1, ''], identity), true); |
| assert.strictEqual(_.some([null, 'a', 0], identity), true); |
| }); |
| |
| QUnit.test('should return `false` for empty collections', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysFalse); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| try { |
| return _.some(value, identity); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return `true` as soon as `predicate` returns truthy', function(assert) { |
| assert.expect(2); |
| |
| var count = 0; |
| |
| assert.strictEqual(_.some([null, true, null], function(value) { |
| count++; |
| return value; |
| }), true); |
| |
| assert.strictEqual(count, 2); |
| }); |
| |
| QUnit.test('should return `false` if `predicate` returns falsey for all elements', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.some([false, false, false], identity), false); |
| assert.strictEqual(_.some([null, 0, ''], identity), false); |
| }); |
| |
| QUnit.test('should use `_.identity` when `predicate` is nullish', function(assert) { |
| assert.expect(2); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var array = [0, 0]; |
| return index ? _.some(array, value) : _.some(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(values, alwaysTrue); |
| actual = lodashStable.map(values, function(value, index) { |
| var array = [0, 1]; |
| return index ? _.some(array, value) : _.some(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 0, 'b': 0 }, { 'a': 0, 'b': 1 }]; |
| assert.strictEqual(_.some(objects, 'a'), false); |
| assert.strictEqual(_.some(objects, 'b'), true); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var objects = [{ 'a': 0, 'b': 0 }, { 'a': 1, 'b': 1}]; |
| assert.strictEqual(_.some(objects, { 'a': 0 }), true); |
| assert.strictEqual(_.some(objects, { 'b': 2 }), false); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([[1]], _.some); |
| assert.deepEqual(actual, [true]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.sortBy'); |
| |
| (function() { |
| var objects = [ |
| { 'a': 'x', 'b': 3 }, |
| { 'a': 'y', 'b': 4 }, |
| { 'a': 'x', 'b': 1 }, |
| { 'a': 'y', 'b': 2 } |
| ]; |
| |
| QUnit.test('should sort in ascending order by `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(_.sortBy(objects, function(object) { |
| return object.b; |
| }), 'b'); |
| |
| assert.deepEqual(actual, [1, 2, 3, 4]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array = [3, 2, 1], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2, 3])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.sortBy(array, value) : _.sortBy(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(_.sortBy(objects.concat(undefined), 'b'), 'b'); |
| assert.deepEqual(actual, [1, 2, 3, 4, undefined]); |
| }); |
| |
| QUnit.test('should work with an object for `collection`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sortBy({ 'a': 1, 'b': 2, 'c': 3 }, Math.sin); |
| assert.deepEqual(actual, [3, 1, 2]); |
| }); |
| |
| QUnit.test('should move symbol, `null`, `undefined`, and `NaN` values to the end', function(assert) { |
| assert.expect(2); |
| |
| var symbol1 = Symbol ? Symbol('a') : null, |
| symbol2 = Symbol ? Symbol('b') : null, |
| array = [NaN, undefined, null, 4, symbol1, null, 1, symbol2, undefined, 3, NaN, 2], |
| expected = [1, 2, 3, 4, symbol1, symbol2, null, null, undefined, undefined, NaN, NaN]; |
| |
| assert.deepEqual(_.sortBy(array), expected); |
| |
| array = [NaN, undefined, symbol1, null, 'd', null, 'a', symbol2, undefined, 'c', NaN, 'b']; |
| expected = ['a', 'b', 'c', 'd', symbol1, symbol2, null, null, undefined, undefined, NaN, NaN]; |
| |
| assert.deepEqual(_.sortBy(array), expected); |
| }); |
| |
| QUnit.test('should treat number values for `collection` as empty', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.sortBy(1), []); |
| }); |
| |
| QUnit.test('should coerce arrays returned from `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sortBy(objects, function(object) { |
| var result = [object.a, object.b]; |
| result.toString = function() { return String(this[0]); }; |
| return result; |
| }); |
| |
| assert.deepEqual(actual, [objects[0], objects[2], objects[1], objects[3]]); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([[2, 1, 3], [3, 2, 1]], _.sortBy); |
| assert.deepEqual(actual, [[1, 2, 3], [1, 2, 3]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('sortBy methods'); |
| |
| lodashStable.each(['orderBy', 'sortBy'], function(methodName) { |
| var func = _[methodName]; |
| |
| function Pair(a, b, c) { |
| this.a = a; |
| this.b = b; |
| this.c = c; |
| } |
| |
| var objects = [ |
| { 'a': 'x', 'b': 3 }, |
| { 'a': 'y', 'b': 4 }, |
| { 'a': 'x', 'b': 1 }, |
| { 'a': 'y', 'b': 2 } |
| ]; |
| |
| var stableArray = [ |
| new Pair(1, 1, 1), new Pair(1, 2, 1), |
| new Pair(1, 1, 1), new Pair(1, 2, 1), |
| new Pair(1, 3, 1), new Pair(1, 4, 1), |
| new Pair(1, 5, 1), new Pair(1, 6, 1), |
| new Pair(2, 1, 2), new Pair(2, 2, 2), |
| new Pair(2, 3, 2), new Pair(2, 4, 2), |
| new Pair(2, 5, 2), new Pair(2, 6, 2), |
| new Pair(undefined, 1, 1), new Pair(undefined, 2, 1), |
| new Pair(undefined, 3, 1), new Pair(undefined, 4, 1), |
| new Pair(undefined, 5, 1), new Pair(undefined, 6, 1) |
| ]; |
| |
| var stableObject = lodashStable.zipObject('abcdefghijklmnopqrst'.split(''), stableArray); |
| |
| QUnit.test('`_.' + methodName + '` should sort multiple properties in ascending order', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(objects, ['a', 'b']); |
| assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support iteratees', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(objects, ['a', function(object) { return object.b; }]); |
| assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should perform a stable sort (test in IE > 8 and V8)', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([stableArray, stableObject], function(value, index) { |
| var actual = func(value, ['a', 'c']); |
| assert.deepEqual(actual, stableArray, index ? 'object' : 'array'); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not error on nullish elements', function(assert) { |
| assert.expect(1); |
| |
| try { |
| var actual = func(objects.concat(null, undefined), ['a', 'b']); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, [objects[2], objects[0], objects[3], objects[1], null, undefined]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.reduce`', function(assert) { |
| assert.expect(3); |
| |
| var objects = [ |
| { 'a': 'x', '0': 3 }, |
| { 'a': 'y', '0': 4 }, |
| { 'a': 'x', '0': 1 }, |
| { 'a': 'y', '0': 2 } |
| ]; |
| |
| var funcs = [func, lodashStable.partialRight(func, 'bogus')]; |
| |
| lodashStable.each(['a', 0, [0]], function(props, index) { |
| var expected = lodashStable.map(funcs, lodashStable.constant( |
| index |
| ? [objects[2], objects[3], objects[0], objects[1]] |
| : [objects[0], objects[2], objects[1], objects[3]] |
| )); |
| |
| var actual = lodashStable.map(funcs, function(func) { |
| return lodashStable.reduce([props], func, objects); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('sortedIndex methods'); |
| |
| lodashStable.each(['sortedIndex', 'sortedLastIndex'], function(methodName) { |
| var func = _[methodName], |
| isSortedIndex = methodName == 'sortedIndex'; |
| |
| QUnit.test('`_.' + methodName + '` should return the insert index', function(assert) { |
| assert.expect(1); |
| |
| var array = [30, 50], |
| values = [30, 40, 50], |
| expected = isSortedIndex ? [0, 1, 1] : [1, 1, 2]; |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(array, value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with an array of strings', function(assert) { |
| assert.expect(1); |
| |
| var array = ['a', 'c'], |
| values = ['a', 'b', 'c'], |
| expected = isSortedIndex ? [0, 1, 1] : [1, 1, 2]; |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(array, value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should accept a falsey `array` argument and a `value`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, lodashStable.constant([0, 0, 0])); |
| |
| var actual = lodashStable.map(falsey, function(array) { |
| return [func(array, 1), func(array, undefined), func(array, NaN)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should align with `_.sortBy`', function(assert) { |
| assert.expect(12); |
| |
| var symbol1 = Symbol ? Symbol('a') : null, |
| symbol2 = Symbol ? Symbol('b') : null, |
| expected = [1, '2', {}, symbol1, symbol2, null, undefined, NaN, NaN]; |
| |
| lodashStable.each([ |
| [NaN, symbol1, null, 1, '2', {}, symbol2, NaN, undefined], |
| ['2', null, 1, symbol1, NaN, {}, NaN, symbol2, undefined] |
| ], function(array) { |
| assert.deepEqual(_.sortBy(array), expected); |
| assert.strictEqual(func(expected, 3), 2); |
| assert.strictEqual(func(expected, symbol1), (isSortedIndex ? 3 : (Symbol ? 5 : 6))); |
| assert.strictEqual(func(expected, null), (isSortedIndex ? (Symbol ? 5 : 3) : 6)); |
| assert.strictEqual(func(expected, undefined), isSortedIndex ? 6 : 7); |
| assert.strictEqual(func(expected, NaN), isSortedIndex ? 7 : 9); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('sortedIndexBy methods'); |
| |
| lodashStable.each(['sortedIndexBy', 'sortedLastIndexBy'], function(methodName) { |
| var func = _[methodName], |
| isSortedIndexBy = methodName == 'sortedIndexBy'; |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| func([30, 50], 40, function(assert) { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [40]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 30 }, { 'x': 50 }], |
| actual = func(objects, { 'x': 40 }, 'x'); |
| |
| assert.strictEqual(actual, 1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support arrays larger than `MAX_ARRAY_LENGTH / 2`', function(assert) { |
| assert.expect(12); |
| |
| lodashStable.each([Math.ceil(MAX_ARRAY_LENGTH / 2), MAX_ARRAY_LENGTH], function(length) { |
| var array = [], |
| values = [MAX_ARRAY_LENGTH, NaN, undefined]; |
| |
| array.length = length; |
| |
| lodashStable.each(values, function(value) { |
| var steps = 0; |
| |
| var actual = func(array, value, function(value) { |
| steps++; |
| return value; |
| }); |
| |
| var expected = (isSortedIndexBy ? !lodashStable.isNaN(value) : lodashStable.isFinite(value)) |
| ? 0 |
| : Math.min(length, MAX_ARRAY_INDEX); |
| |
| // Avoid false fails in older Firefox. |
| if (array.length == length) { |
| assert.ok(steps == 32 || steps == 33); |
| assert.strictEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('sortedIndexOf methods'); |
| |
| lodashStable.each(['sortedIndexOf', 'sortedLastIndexOf'], function(methodName) { |
| var func = _[methodName], |
| isSortedIndexOf = methodName == 'sortedIndexOf'; |
| |
| QUnit.test('`_.' + methodName + '` should perform a binary search', function(assert) { |
| assert.expect(1); |
| |
| var sorted = [4, 4, 5, 5, 6, 6]; |
| assert.deepEqual(func(sorted, 5), isSortedIndexOf ? 2 : 3); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.sortedUniq'); |
| |
| (function() { |
| QUnit.test('should return unique values of a sorted array', function(assert) { |
| assert.expect(3); |
| |
| var expected = [1, 2, 3]; |
| |
| lodashStable.each([[1, 2, 3], [1, 1, 2, 2, 3], [1, 2, 3, 3, 3, 3, 3]], function(array) { |
| assert.deepEqual(_.sortedUniq(array), expected); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.split'); |
| |
| (function() { |
| QUnit.test('should split a string by `separator`', function(assert) { |
| assert.expect(3); |
| |
| var string = 'abcde'; |
| assert.deepEqual(_.split(string, 'c'), ['ab', 'de']); |
| assert.deepEqual(_.split(string, /[bd]/), ['a', 'c', 'e']); |
| assert.deepEqual(_.split(string, '', 2), ['a', 'b']); |
| }); |
| |
| QUnit.test('should return an array containing an empty string for empty values', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined, ''], |
| expected = lodashStable.map(values, lodashStable.constant([''])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.split(value) : _.split(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var strings = ['abc', 'def', 'ghi'], |
| actual = lodashStable.map(strings, _.split); |
| |
| assert.deepEqual(actual, [['abc'], ['def'], ['ghi']]); |
| }); |
| |
| QUnit.test('should allow mixed string and array prototype methods', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _('abc'); |
| assert.strictEqual(wrapped.split('b').join(','), 'a,c'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.spread'); |
| |
| (function() { |
| function fn(a, b, c) { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should spread arguments to `func`', function(assert) { |
| assert.expect(1); |
| |
| var spread = _.spread(fn); |
| assert.deepEqual(spread([4, 2]), [4, 2]); |
| }); |
| |
| QUnit.test('should accept a falsey `array` argument', function(assert) { |
| assert.expect(1); |
| |
| var spread = _.spread(alwaysTrue), |
| expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(array, index) { |
| try { |
| return index ? spread(array) : spread(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should provide the correct `func` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| var spread = _.spread(function() { |
| args = slice.call(arguments); |
| }); |
| |
| spread([4, 2], 'ignored'); |
| assert.deepEqual(args, [4, 2]); |
| }); |
| |
| QUnit.test('should work with `start`', function(assert) { |
| assert.expect(1); |
| |
| var spread = _.spread(fn, 1); |
| assert.deepEqual(spread(1, [2, 3, 4]), [1, 2, 3, 4]); |
| }); |
| |
| QUnit.test('should treat `start` as `0` for negative or `NaN` values', function(assert) { |
| assert.expect(1); |
| |
| var values = [-1, NaN, 'a'], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2, 3, 4])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var spread = _.spread(fn, value); |
| return spread([1, 2, 3, 4]); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should coerce `start` to an integer', function(assert) { |
| assert.expect(1); |
| |
| var spread = _.spread(fn, 1.6); |
| assert.deepEqual(spread(1, [2, 3]), [1, 2, 3]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.startCase'); |
| |
| (function() { |
| QUnit.test('should uppercase only the first character of each word', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.startCase('--foo-bar--'), 'Foo Bar'); |
| assert.strictEqual(_.startCase('fooBar'), 'Foo Bar'); |
| assert.strictEqual(_.startCase('__FOO_BAR__'), 'FOO BAR'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.startsWith'); |
| |
| (function() { |
| var string = 'abc'; |
| |
| QUnit.test('should return `true` if a string starts with `target`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.startsWith(string, 'a'), true); |
| }); |
| |
| QUnit.test('should return `false` if a string does not start with `target`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.startsWith(string, 'b'), false); |
| }); |
| |
| QUnit.test('should work with a `position` argument', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.startsWith(string, 'b', 1), true); |
| }); |
| |
| QUnit.test('should work with `position` >= `string.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 5, MAX_SAFE_INTEGER, Infinity], function(position) { |
| assert.strictEqual(_.startsWith(string, 'a', position), false); |
| }); |
| }); |
| |
| QUnit.test('should treat falsey `position` values as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(position) { |
| return _.startsWith(string, 'a', position); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should treat a negative `position` as `0`', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.each([-1, -3, -Infinity], function(position) { |
| assert.strictEqual(_.startsWith(string, 'a', position), true); |
| assert.strictEqual(_.startsWith(string, 'b', position), false); |
| }); |
| }); |
| |
| QUnit.test('should coerce `position` to an integer', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.startsWith(string, 'bc', 1.2), true); |
| }); |
| |
| QUnit.test('should return `true` when `target` is an empty string regardless of `position`', function(assert) { |
| assert.expect(1); |
| |
| assert.ok(lodashStable.every([-Infinity, NaN, -3, -1, 0, 1, 2, 3, 5, MAX_SAFE_INTEGER, Infinity], function(position) { |
| return _.startsWith(string, '', position, true); |
| })); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.startsWith and lodash.endsWith'); |
| |
| lodashStable.each(['startsWith', 'endsWith'], function(methodName) { |
| var func = _[methodName], |
| isStartsWith = methodName == 'startsWith'; |
| |
| var string = 'abc', |
| chr = isStartsWith ? 'a' : 'c'; |
| |
| QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(func(Object(string), chr), true); |
| assert.strictEqual(func({ 'toString': lodashStable.constant(string) }, chr), true); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `target` to a string', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(func(string, Object(chr)), true); |
| assert.strictEqual(func(string, { 'toString': lodashStable.constant(chr) }), true); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `position` to a number', function(assert) { |
| assert.expect(2); |
| |
| var position = isStartsWith ? 1 : 2; |
| assert.strictEqual(func(string, 'b', Object(position)), true); |
| assert.strictEqual(func(string, 'b', { 'toString': lodashStable.constant(String(position)) }), true); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.subtract'); |
| |
| (function() { |
| QUnit.test('should subtract two numbers', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.subtract(6, 4), 2); |
| assert.strictEqual(_.subtract(-6, 4), -10); |
| assert.strictEqual(_.subtract(-6, -4), -2); |
| }); |
| |
| QUnit.test('should coerce arguments to numbers', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.subtract('6', '4'), 2); |
| assert.deepEqual(_.subtract('x', 'y'), NaN); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('math operator methods'); |
| |
| lodashStable.each(['add', 'divide', 'multiply', 'subtract'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return `0` when no arguments are given', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(), 0); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with only one defined argument', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(func(6), 6); |
| assert.strictEqual(func(6, undefined), 6); |
| assert.strictEqual(func(undefined, 4), 4); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(2); |
| |
| var values = [0, '0', -0, '-0'], |
| expected = [[0, Infinity], ['0', Infinity], [-0, -Infinity], ['-0', -Infinity]]; |
| |
| lodashStable.times(2, function(index) { |
| var actual = lodashStable.map(values, function(value) { |
| var result = index ? func(undefined, value) : func(value); |
| return [result, 1 / result]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert objects to `NaN`', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(func(0, {}), NaN); |
| assert.deepEqual(func({}, 0), NaN); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert symbols to `NaN`', function(assert) { |
| assert.expect(2); |
| |
| if (Symbol) { |
| assert.deepEqual(func(0, symbol), NaN); |
| assert.deepEqual(func(symbol, 0), NaN); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _(1)[methodName](2); |
| assert.notOk(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _(1).chain()[methodName](2); |
| assert.ok(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.sumBy'); |
| |
| (function() { |
| var array = [6, 4, 2], |
| objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }]; |
| |
| QUnit.test('should work with an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.sumBy(objects, function(object) { |
| return object.a; |
| }); |
| |
| assert.deepEqual(actual, 6); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.sumBy(array, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [6]); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var arrays = [[2], [3], [1]]; |
| assert.strictEqual(_.sumBy(arrays, 0), 6); |
| assert.strictEqual(_.sumBy(objects, 'a'), 6); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('sum methods'); |
| |
| lodashStable.each(['sum', 'sumBy'], function(methodName) { |
| var array = [6, 4, 2], |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the sum of an array of numbers', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(array), 12); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return `0` when passing empty `array` values', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(empties, alwaysZero); |
| |
| var actual = lodashStable.map(empties, function(value) { |
| return func(value); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should skip `undefined` values', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func([1, undefined]), 1); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not skip `NaN` values', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func([1, NaN]), NaN); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not coerce values to numbers', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(func(['1', '2']), '12'); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.tail'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should accept a falsey `array` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(falsey, function(array, index) { |
| try { |
| return index ? _.tail(array) : _.tail(); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should exclude the first element', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.tail(array), [2, 3]); |
| }); |
| |
| QUnit.test('should return an empty when querying empty arrays', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.tail([]), []); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.tail); |
| |
| assert.deepEqual(actual, [[2, 3], [5, 6], [8, 9]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| values = []; |
| |
| var actual = _(array).tail().filter(function(value) { |
| values.push(value); |
| return false; |
| }) |
| .value(); |
| |
| assert.deepEqual(actual, []); |
| assert.deepEqual(values, array.slice(1)); |
| |
| values = []; |
| |
| actual = _(array).filter(function(value) { |
| values.push(value); |
| return isEven(value); |
| }) |
| .tail() |
| .value(); |
| |
| assert.deepEqual(actual, _.tail(_.filter(array, isEven))); |
| assert.deepEqual(values, array); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should not execute subsequent iteratees on an empty array in a lazy sequence', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| iteratee = function() { pass = false; }, |
| pass = true, |
| actual = _(array).slice(0, 1).tail().map(iteratee).value(); |
| |
| assert.ok(pass); |
| assert.deepEqual(actual, []); |
| |
| pass = true; |
| actual = _(array).filter().slice(0, 1).tail().map(iteratee).value(); |
| |
| assert.ok(pass); |
| assert.deepEqual(actual, []); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.take'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should take the first two elements', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.take(array, 2), [1, 2]); |
| }); |
| |
| QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? [1] : []; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(n) { |
| return _.take(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an empty array when `n` < `1`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([0, -1, -Infinity], function(n) { |
| assert.deepEqual(_.take(array, n), []); |
| }); |
| }); |
| |
| QUnit.test('should return all elements when `n` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) { |
| assert.deepEqual(_.take(array, n), array); |
| }); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.take); |
| |
| assert.deepEqual(actual, [[1], [4], [7]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(1, LARGE_ARRAY_SIZE + 1), |
| predicate = function(value) { values.push(value); return isEven(value); }, |
| values = [], |
| actual = _(array).take(2).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.take(array, 2))); |
| |
| actual = _(array).filter(predicate).take(2).take().value(); |
| assert.deepEqual(values, [1, 2]); |
| assert.deepEqual(actual, _.take(_.take(_.filter(array, predicate), 2))); |
| |
| actual = _(array).take(6).takeRight(4).take(2).takeRight().value(); |
| assert.deepEqual(actual, _.takeRight(_.take(_.takeRight(_.take(array, 6), 4), 2))); |
| |
| values = []; |
| |
| actual = _(array).take(array.length - 1).filter(predicate).take(6).takeRight(4).take(2).takeRight().value(); |
| assert.deepEqual(values, [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]); |
| assert.deepEqual(actual, _.takeRight(_.take(_.takeRight(_.take(_.filter(_.take(array, array.length - 1), predicate), 6), 4), 2))); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.takeRight'); |
| |
| (function() { |
| var array = [1, 2, 3]; |
| |
| QUnit.test('should take the last two elements', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeRight(array, 2), [2, 3]); |
| }); |
| |
| QUnit.test('should treat falsey `n` values, except `undefined`, as `0`', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, function(value) { |
| return value === undefined ? [3] : []; |
| }); |
| |
| var actual = lodashStable.map(falsey, function(n) { |
| return _.takeRight(array, n); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an empty array when `n` < `1`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([0, -1, -Infinity], function(n) { |
| assert.deepEqual(_.takeRight(array, n), []); |
| }); |
| }); |
| |
| QUnit.test('should return all elements when `n` >= `array.length`', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each([3, 4, Math.pow(2, 32), Infinity], function(n) { |
| assert.deepEqual(_.takeRight(array, n), array); |
| }); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2, 3], [4, 5, 6], [7, 8, 9]], |
| actual = lodashStable.map(array, _.takeRight); |
| |
| assert.deepEqual(actual, [[3], [6], [9]]); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(6); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| predicate = function(value) { values.push(value); return isEven(value); }, |
| values = [], |
| actual = _(array).takeRight(2).takeRight().value(); |
| |
| assert.deepEqual(actual, _.takeRight(_.takeRight(array))); |
| |
| actual = _(array).filter(predicate).takeRight(2).takeRight().value(); |
| assert.deepEqual(values, array); |
| assert.deepEqual(actual, _.takeRight(_.takeRight(_.filter(array, predicate), 2))); |
| |
| actual = _(array).takeRight(6).take(4).takeRight(2).take().value(); |
| assert.deepEqual(actual, _.take(_.takeRight(_.take(_.takeRight(array, 6), 4), 2))); |
| |
| values = []; |
| |
| actual = _(array).filter(predicate).takeRight(6).take(4).takeRight(2).take().value(); |
| assert.deepEqual(values, array); |
| assert.deepEqual(actual, _.take(_.takeRight(_.take(_.takeRight(_.filter(array, predicate), 6), 4), 2))); |
| } |
| else { |
| skipAssert(assert, 6); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.takeRightWhile'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| var objects = [ |
| { 'a': 0, 'b': 0 }, |
| { 'a': 1, 'b': 1 }, |
| { 'a': 2, 'b': 2 } |
| ]; |
| |
| QUnit.test('should take elements while `predicate` returns truthy', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.takeRightWhile(array, function(n) { |
| return n > 2; |
| }); |
| |
| assert.deepEqual(actual, [3, 4]); |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.takeRightWhile(array, function() { |
| args = slice.call(arguments); |
| }); |
| |
| assert.deepEqual(args, [4, 3, array]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeRightWhile(objects, { 'b': 2 }), objects.slice(2)); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeRightWhile(objects, ['b', 2]), objects.slice(2)); |
| }); |
| |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeRightWhile(objects, 'b'), objects.slice(1)); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| predicate = function(n) { return n > 2; }, |
| expected = _.takeRightWhile(array, predicate), |
| wrapped = _(array).takeRightWhile(predicate); |
| |
| assert.deepEqual(wrapped.value(), expected); |
| assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse()); |
| assert.strictEqual(wrapped.last(), _.last(expected)); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var args, |
| array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| expected = [square(LARGE_ARRAY_SIZE), LARGE_ARRAY_SIZE - 1, lodashStable.map(array.slice(1), square)]; |
| |
| _(array).slice(1).takeRightWhile(function(value, index, array) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, [LARGE_ARRAY_SIZE, LARGE_ARRAY_SIZE - 1, array.slice(1)]); |
| |
| _(array).slice(1).map(square).takeRightWhile(function(value, index, array) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| _(array).slice(1).map(square).takeRightWhile(function(value, index) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| _(array).slice(1).map(square).takeRightWhile(function(index) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, [square(LARGE_ARRAY_SIZE)]); |
| |
| _(array).slice(1).map(square).takeRightWhile(function() { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.takeWhile'); |
| |
| (function() { |
| var array = [1, 2, 3, 4]; |
| |
| var objects = [ |
| { 'a': 2, 'b': 2 }, |
| { 'a': 1, 'b': 1 }, |
| { 'a': 0, 'b': 0 } |
| ]; |
| |
| QUnit.test('should take elements while `predicate` returns truthy', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.takeWhile(array, function(n) { |
| return n < 3; |
| }); |
| |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.takeWhile(array, function() { |
| args = slice.call(arguments); |
| }); |
| |
| assert.deepEqual(args, [1, 0, array]); |
| }); |
| |
| QUnit.test('should work with `_.matches` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeWhile(objects, { 'b': 2 }), objects.slice(0, 1)); |
| }); |
| |
| QUnit.test('should work with `_.matchesProperty` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeWhile(objects, ['b', 2]), objects.slice(0, 1)); |
| }); |
| QUnit.test('should work with `_.property` shorthands', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.takeWhile(objects, 'b'), objects.slice(0, 2)); |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| predicate = function(n) { return n < 3; }, |
| expected = _.takeWhile(array, predicate), |
| wrapped = _(array).takeWhile(predicate); |
| |
| assert.deepEqual(wrapped.value(), expected); |
| assert.deepEqual(wrapped.reverse().value(), expected.slice().reverse()); |
| assert.strictEqual(wrapped.last(), _.last(expected)); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence with `take`', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE); |
| |
| var actual = _(array) |
| .takeWhile(function(n) { return n < 4; }) |
| .take(2) |
| .takeWhile(function(n) { return n == 0; }) |
| .value(); |
| |
| assert.deepEqual(actual, [0]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should provide the correct `predicate` arguments in a lazy sequence', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var args, |
| array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| expected = [1, 0, lodashStable.map(array.slice(1), square)]; |
| |
| _(array).slice(1).takeWhile(function(value, index, array) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, [1, 0, array.slice(1)]); |
| |
| _(array).slice(1).map(square).takeWhile(function(value, index, array) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| _(array).slice(1).map(square).takeWhile(function(value, index) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| |
| _(array).slice(1).map(square).takeWhile(function(value) { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, [1]); |
| |
| _(array).slice(1).map(square).takeWhile(function() { |
| args = slice.call(arguments); |
| }).value(); |
| |
| assert.deepEqual(args, expected); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.tap'); |
| |
| (function() { |
| QUnit.test('should intercept and return the given value', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var intercepted, |
| array = [1, 2, 3]; |
| |
| var actual = _.tap(array, function(value) { |
| intercepted = value; |
| }); |
| |
| assert.strictEqual(actual, array); |
| assert.strictEqual(intercepted, array); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should intercept unwrapped values and return wrapped values when chaining', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var intercepted, |
| array = [1, 2, 3]; |
| |
| var wrapped = _(array).tap(function(value) { |
| intercepted = value; |
| value.pop(); |
| }); |
| |
| assert.ok(wrapped instanceof _); |
| |
| wrapped.value(); |
| assert.strictEqual(intercepted, array); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.template'); |
| |
| (function() { |
| QUnit.test('should escape values in "escape" delimiters', function(assert) { |
| assert.expect(1); |
| |
| var strings = ['<p><%- value %></p>', '<p><%-value%></p>', '<p><%-\nvalue\n%></p>'], |
| expected = lodashStable.map(strings, lodashStable.constant('<p>&<>"'`\/</p>')), |
| data = { 'value': '&<>"\'`\/' }; |
| |
| var actual = lodashStable.map(strings, function(string) { |
| return _.template(string)(data); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not reference `_.escape` when "escape" delimiters are not used', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= typeof __e %>'); |
| assert.strictEqual(compiled({}), 'undefined'); |
| }); |
| |
| QUnit.test('should evaluate JavaScript in "evaluate" delimiters', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template( |
| '<ul><%\ |
| for (var key in collection) {\ |
| %><li><%= collection[key] %></li><%\ |
| } %></ul>' |
| ); |
| |
| var data = { 'collection': { 'a': 'A', 'b': 'B' } }, |
| actual = compiled(data); |
| |
| assert.strictEqual(actual, '<ul><li>A</li><li>B</li></ul>'); |
| }); |
| |
| QUnit.test('should support "evaluate" delimiters with single line comments (test production builds)', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<% // A code comment. %><% if (value) { %>yap<% } else { %>nope<% } %>'), |
| data = { 'value': true }; |
| |
| assert.strictEqual(compiled(data), 'yap'); |
| }); |
| |
| QUnit.test('should support referencing variables declared in "evaluate" delimiters from other delimiters', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<% var b = a; %><%= b.value %>'), |
| data = { 'a': { 'value': 1 } }; |
| |
| assert.strictEqual(compiled(data), '1'); |
| }); |
| |
| QUnit.test('should interpolate data properties in "interpolate" delimiters', function(assert) { |
| assert.expect(1); |
| |
| var strings = ['<%= a %>BC', '<%=a%>BC', '<%=\na\n%>BC'], |
| expected = lodashStable.map(strings, lodashStable.constant('ABC')), |
| data = { 'a': 'A' }; |
| |
| var actual = lodashStable.map(strings, function(string) { |
| return _.template(string)(data); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should support "interpolate" delimiters with escaped values', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= a ? "a=\\"A\\"" : "" %>'), |
| data = { 'a': true }; |
| |
| assert.strictEqual(compiled(data), 'a="A"'); |
| }); |
| |
| QUnit.test('should support "interpolate" delimiters containing ternary operators', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= value ? value : "b" %>'), |
| data = { 'value': 'a' }; |
| |
| assert.strictEqual(compiled(data), 'a'); |
| }); |
| |
| QUnit.test('should support "interpolate" delimiters containing global values', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= typeof Math.abs %>'); |
| |
| try { |
| var actual = compiled(); |
| } catch (e) {} |
| |
| assert.strictEqual(actual, 'function'); |
| }); |
| |
| QUnit.test('should support complex "interpolate" delimiters', function(assert) { |
| assert.expect(22); |
| |
| lodashStable.forOwn({ |
| '<%= a + b %>': '3', |
| '<%= b - a %>': '1', |
| '<%= a = b %>': '2', |
| '<%= !a %>': 'false', |
| '<%= ~a %>': '-2', |
| '<%= a * b %>': '2', |
| '<%= a / b %>': '0.5', |
| '<%= a % b %>': '1', |
| '<%= a >> b %>': '0', |
| '<%= a << b %>': '4', |
| '<%= a & b %>': '0', |
| '<%= a ^ b %>': '3', |
| '<%= a | b %>': '3', |
| '<%= {}.toString.call(0) %>': numberTag, |
| '<%= a.toFixed(2) %>': '1.00', |
| '<%= obj["a"] %>': '1', |
| '<%= delete a %>': 'true', |
| '<%= "a" in obj %>': 'true', |
| '<%= obj instanceof Object %>': 'true', |
| '<%= new Boolean %>': 'false', |
| '<%= typeof a %>': 'number', |
| '<%= void a %>': '' |
| }, |
| function(value, key) { |
| var compiled = _.template(key), |
| data = { 'a': 1, 'b': 2 }; |
| |
| assert.strictEqual(compiled(data), value, key); |
| }); |
| }); |
| |
| QUnit.test('should support ES6 template delimiters', function(assert) { |
| assert.expect(2); |
| |
| var data = { 'value': 2 }; |
| assert.strictEqual(_.template('1${value}3')(data), '123'); |
| assert.strictEqual(_.template('${"{" + value + "\\}"}')(data), '{2}'); |
| }); |
| |
| QUnit.test('should support the "imports" option', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= a %>', { 'imports': { 'a': 1 } }); |
| assert.strictEqual(compiled({}), '1'); |
| }); |
| |
| QUnit.test('should support the "variable" options', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template( |
| '<% _.each( data.a, function( value ) { %>' + |
| '<%= value.valueOf() %>' + |
| '<% }) %>', { 'variable': 'data' } |
| ); |
| |
| var data = { 'a': [1, 2, 3] }; |
| |
| try { |
| assert.strictEqual(compiled(data), '123'); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| }); |
| |
| QUnit.test('should support custom delimiters', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.times(2, function(index) { |
| var settingsClone = lodashStable.clone(_.templateSettings); |
| |
| var settings = lodashStable.assign(index ? _.templateSettings : {}, { |
| 'escape': /\{\{-([\s\S]+?)\}\}/g, |
| 'evaluate': /\{\{([\s\S]+?)\}\}/g, |
| 'interpolate': /\{\{=([\s\S]+?)\}\}/g |
| }); |
| |
| var expected = '<ul><li>0: a & A</li><li>1: b & B</li></ul>', |
| compiled = _.template('<ul>{{ _.each(collection, function(value, index) {}}<li>{{= index }}: {{- value }}</li>{{}); }}</ul>', index ? null : settings), |
| data = { 'collection': ['a & A', 'b & B'] }; |
| |
| assert.strictEqual(compiled(data), expected); |
| lodashStable.assign(_.templateSettings, settingsClone); |
| }); |
| }); |
| |
| QUnit.test('should support custom delimiters containing special characters', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.times(2, function(index) { |
| var settingsClone = lodashStable.clone(_.templateSettings); |
| |
| var settings = lodashStable.assign(index ? _.templateSettings : {}, { |
| 'escape': /<\?-([\s\S]+?)\?>/g, |
| 'evaluate': /<\?([\s\S]+?)\?>/g, |
| 'interpolate': /<\?=([\s\S]+?)\?>/g |
| }); |
| |
| var expected = '<ul><li>0: a & A</li><li>1: b & B</li></ul>', |
| compiled = _.template('<ul><? _.each(collection, function(value, index) { ?><li><?= index ?>: <?- value ?></li><? }); ?></ul>', index ? null : settings), |
| data = { 'collection': ['a & A', 'b & B'] }; |
| |
| assert.strictEqual(compiled(data), expected); |
| lodashStable.assign(_.templateSettings, settingsClone); |
| }); |
| }); |
| |
| QUnit.test('should use a `with` statement by default', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= index %><%= collection[index] %><% _.each(collection, function(value, index) { %><%= index %><% }); %>'), |
| actual = compiled({ 'index': 1, 'collection': ['a', 'b', 'c'] }); |
| |
| assert.strictEqual(actual, '1b012'); |
| }); |
| |
| QUnit.test('should use `_.templateSettings.imports._.templateSettings`', function(assert) { |
| assert.expect(1); |
| |
| var lodash = _.templateSettings.imports._, |
| settingsClone = lodashStable.clone(lodash.templateSettings); |
| |
| lodash.templateSettings = lodashStable.assign(lodash.templateSettings, { |
| 'interpolate': /\{\{=([\s\S]+?)\}\}/g |
| }); |
| |
| var compiled = _.template('{{= a }}'); |
| assert.strictEqual(compiled({ 'a': 1 }), '1'); |
| |
| if (settingsClone) { |
| lodashStable.assign(lodash.templateSettings, settingsClone); |
| } else { |
| delete lodash.templateSettings; |
| } |
| }); |
| |
| QUnit.test('should fallback to `_.templateSettings`', function(assert) { |
| assert.expect(1); |
| |
| var lodash = _.templateSettings.imports._, |
| delimiter = _.templateSettings.interpolate; |
| |
| _.templateSettings.imports._ = { 'escape': lodashStable.escape }; |
| _.templateSettings.interpolate = /\{\{=([\s\S]+?)\}\}/g; |
| |
| var compiled = _.template('{{= a }}'); |
| assert.strictEqual(compiled({ 'a': 1 }), '1'); |
| |
| _.templateSettings.imports._ = lodash; |
| _.templateSettings.interpolate = delimiter; |
| }); |
| |
| QUnit.test('should ignore `null` delimiters', function(assert) { |
| assert.expect(3); |
| |
| var delimiter = { |
| 'escape': /\{\{-([\s\S]+?)\}\}/g, |
| 'evaluate': /\{\{([\s\S]+?)\}\}/g, |
| 'interpolate': /\{\{=([\s\S]+?)\}\}/g |
| }; |
| |
| lodashStable.forOwn({ |
| 'escape': '{{- a }}', |
| 'evaluate': '{{ print(a) }}', |
| 'interpolate': '{{= a }}' |
| }, |
| function(value, key) { |
| var settings = { 'escape': null, 'evaluate': null, 'interpolate': null }; |
| settings[key] = delimiter[key]; |
| |
| var expected = '1 <%- a %> <% print(a) %> <%= a %>', |
| compiled = _.template(value + ' <%- a %> <% print(a) %> <%= a %>', settings), |
| data = { 'a': 1 }; |
| |
| assert.strictEqual(compiled(data), expected); |
| }); |
| }); |
| |
| QUnit.test('should work without delimiters', function(assert) { |
| assert.expect(1); |
| |
| var expected = 'abc'; |
| assert.strictEqual(_.template(expected)({}), expected); |
| }); |
| |
| QUnit.test('should work with `this` references', function(assert) { |
| assert.expect(2); |
| |
| var compiled = _.template('a<%= this.String("b") %>c'); |
| assert.strictEqual(compiled(), 'abc'); |
| |
| var object = { 'b': 'B' }; |
| object.compiled = _.template('A<%= this.b %>C', { 'variable': 'obj' }); |
| assert.strictEqual(object.compiled(), 'ABC'); |
| }); |
| |
| QUnit.test('should work with backslashes', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= a %> \\b'), |
| data = { 'a': 'A' }; |
| |
| assert.strictEqual(compiled(data), 'A \\b'); |
| }); |
| |
| QUnit.test('should work with escaped characters in string literals', function(assert) { |
| assert.expect(2); |
| |
| var compiled = _.template('<% print("\'\\n\\r\\t\\u2028\\u2029\\\\") %>'); |
| assert.strictEqual(compiled(), "'\n\r\t\u2028\u2029\\"); |
| |
| var data = { 'a': 'A' }; |
| compiled = _.template('\'\n\r\t<%= a %>\u2028\u2029\\"'); |
| assert.strictEqual(compiled(data), '\'\n\r\tA\u2028\u2029\\"'); |
| }); |
| |
| QUnit.test('should handle \\u2028 & \\u2029 characters', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('\u2028<%= "\\u2028\\u2029" %>\u2029'); |
| assert.strictEqual(compiled(), '\u2028\u2028\u2029\u2029'); |
| }); |
| |
| QUnit.test('should work with statements containing quotes', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template("<%\ |
| if (a == 'A' || a == \"a\") {\ |
| %>'a',\"A\"<%\ |
| } %>" |
| ); |
| |
| var data = { 'a': 'A' }; |
| assert.strictEqual(compiled(data), "'a',\"A\""); |
| }); |
| |
| QUnit.test('should work with templates containing newlines and comments', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%\n\ |
| // A code comment.\n\ |
| if (value) { value += 3; }\n\ |
| %><p><%= value %></p>' |
| ); |
| |
| assert.strictEqual(compiled({ 'value': 3 }), '<p>6</p>'); |
| }); |
| |
| QUnit.test('should not error with IE conditional comments enabled (test with development build)', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template(''), |
| pass = true; |
| |
| /*@cc_on @*/ |
| try { |
| compiled(); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass); |
| }); |
| |
| QUnit.test('should tokenize delimiters', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<span class="icon-<%= type %>2"></span>'), |
| data = { 'type': 1 }; |
| |
| assert.strictEqual(compiled(data), '<span class="icon-12"></span>'); |
| }); |
| |
| QUnit.test('should evaluate delimiters once', function(assert) { |
| assert.expect(1); |
| |
| var actual = [], |
| compiled = _.template('<%= func("a") %><%- func("b") %><% func("c") %>'), |
| data = { 'func': function(value) { actual.push(value); } }; |
| |
| compiled(data); |
| assert.deepEqual(actual, ['a', 'b', 'c']); |
| }); |
| |
| QUnit.test('should match delimiters before escaping text', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<<\n a \n>>', { 'evaluate': /<<(.*?)>>/g }); |
| assert.strictEqual(compiled(), '<<\n a \n>>'); |
| }); |
| |
| QUnit.test('should resolve nullish values to an empty string', function(assert) { |
| assert.expect(3); |
| |
| var compiled = _.template('<%= a %><%- a %>'), |
| data = { 'a': null }; |
| |
| assert.strictEqual(compiled(data), ''); |
| |
| data = { 'a': undefined }; |
| assert.strictEqual(compiled(data), ''); |
| |
| data = { 'a': {} }; |
| compiled = _.template('<%= a.b %><%- a.b %>'); |
| assert.strictEqual(compiled(data), ''); |
| }); |
| |
| QUnit.test('should return an empty string for empty values', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined, ''], |
| expected = lodashStable.map(values, alwaysEmptyString), |
| data = { 'a': 1 }; |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var compiled = index ? _.template(value) : _.template(); |
| return compiled(data); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should parse delimiters without newlines', function(assert) { |
| assert.expect(1); |
| |
| var expected = '<<\nprint("<p>" + (value ? "yes" : "no") + "</p>")\n>>', |
| compiled = _.template(expected, { 'evaluate': /<<(.+?)>>/g }), |
| data = { 'value': true }; |
| |
| assert.strictEqual(compiled(data), expected); |
| }); |
| |
| QUnit.test('should support recursive calls', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('<%= a %><% a = _.template(c)(obj) %><%= a %>'), |
| data = { 'a': 'A', 'b': 'B', 'c': '<%= b %>' }; |
| |
| assert.strictEqual(compiled(data), 'AB'); |
| }); |
| |
| QUnit.test('should coerce `text` argument to a string', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'toString': lodashStable.constant('<%= a %>') }, |
| data = { 'a': 1 }; |
| |
| assert.strictEqual(_.template(object)(data), '1'); |
| }); |
| |
| QUnit.test('should not modify the `options` object', function(assert) { |
| assert.expect(1); |
| |
| var options = {}; |
| _.template('', options); |
| assert.deepEqual(options, {}); |
| }); |
| |
| QUnit.test('should not modify `_.templateSettings` when `options` are given', function(assert) { |
| assert.expect(2); |
| |
| var data = { 'a': 1 }; |
| |
| assert.notOk('a' in _.templateSettings); |
| _.template('', {}, data); |
| assert.notOk('a' in _.templateSettings); |
| |
| delete _.templateSettings.a; |
| }); |
| |
| QUnit.test('should not error for non-object `data` and `options` values', function(assert) { |
| assert.expect(2); |
| |
| var pass = true; |
| |
| try { |
| _.template('')(1); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass, '`data` value'); |
| |
| pass = true; |
| |
| try { |
| _.template('', 1)(1); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass, '`options` value'); |
| }); |
| |
| QUnit.test('should expose the source on compiled templates', function(assert) { |
| assert.expect(1); |
| |
| var compiled = _.template('x'), |
| values = [String(compiled), compiled.source], |
| expected = lodashStable.map(values, alwaysTrue); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return lodashStable.includes(value, '__p'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should expose the source on SyntaxErrors', function(assert) { |
| assert.expect(1); |
| |
| try { |
| _.template('<% if x %>'); |
| } catch (e) { |
| var source = e.source; |
| } |
| assert.ok(lodashStable.includes(source, '__p')); |
| }); |
| |
| QUnit.test('should not include sourceURLs in the source', function(assert) { |
| assert.expect(1); |
| |
| var options = { 'sourceURL': '/a/b/c' }, |
| compiled = _.template('x', options), |
| values = [compiled.source, undefined]; |
| |
| try { |
| _.template('<% if x %>', options); |
| } catch (e) { |
| values[1] = e.source; |
| } |
| var expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return lodashStable.includes(value, 'sourceURL'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = ['<%= a %>', '<%- b %>', '<% print(c) %>'], |
| compiles = lodashStable.map(array, _.template), |
| data = { 'a': 'one', 'b': '`two`', 'c': 'three' }; |
| |
| var actual = lodashStable.map(compiles, function(compiled) { |
| return compiled(data); |
| }); |
| |
| assert.deepEqual(actual, ['one', '`two`', 'three']); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.truncate'); |
| |
| (function() { |
| var string = 'hi-diddly-ho there, neighborino'; |
| |
| QUnit.test('should use a default `length` of `30`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.truncate(string), 'hi-diddly-ho there, neighbo...'); |
| }); |
| |
| QUnit.test('should not truncate if `string` is <= `length`', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.truncate(string, { 'length': string.length }), string); |
| assert.strictEqual(_.truncate(string, { 'length': string.length + 2 }), string); |
| }); |
| |
| QUnit.test('should truncate string the given length', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.truncate(string, { 'length': 24 }), 'hi-diddly-ho there, n...'); |
| }); |
| |
| QUnit.test('should support a `omission` option', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.truncate(string, { 'omission': ' [...]' }), 'hi-diddly-ho there, neig [...]'); |
| }); |
| |
| QUnit.test('should coerce nullish `omission` values to strings', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.truncate(string, { 'omission': null }), 'hi-diddly-ho there, neighbnull'); |
| assert.strictEqual(_.truncate(string, { 'omission': undefined }), 'hi-diddly-ho there, nundefined'); |
| }); |
| |
| QUnit.test('should support a `length` option', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.truncate(string, { 'length': 4 }), 'h...'); |
| }); |
| |
| QUnit.test('should support a `separator` option', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': ' ' }), 'hi-diddly-ho there,...'); |
| assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': /,? +/ }), 'hi-diddly-ho there...'); |
| assert.strictEqual(_.truncate(string, { 'length': 24, 'separator': /,? +/g }), 'hi-diddly-ho there...'); |
| }); |
| |
| QUnit.test('should treat negative `length` as `0`', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each([0, -2], function(length) { |
| assert.strictEqual(_.truncate(string, { 'length': length }), '...'); |
| }); |
| }); |
| |
| QUnit.test('should coerce `length` to an integer', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['', NaN, 4.6, '4'], function(length, index) { |
| var actual = index > 1 ? 'h...' : '...'; |
| assert.strictEqual(_.truncate(string, { 'length': { 'valueOf': lodashStable.constant(length) } }), actual); |
| }); |
| }); |
| |
| QUnit.test('should coerce `string` to a string', function(assert) { |
| assert.expect(2); |
| |
| assert.strictEqual(_.truncate(Object(string), { 'length': 4 }), 'h...'); |
| assert.strictEqual(_.truncate({ 'toString': lodashStable.constant(string) }, { 'length': 5 }), 'hi...'); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map([string, string, string], _.truncate), |
| truncated = 'hi-diddly-ho there, neighbo...'; |
| |
| assert.deepEqual(actual, [truncated, truncated, truncated]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.throttle'); |
| |
| (function() { |
| QUnit.test('should throttle a function', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| throttled = _.throttle(function() { callCount++; }, 32); |
| |
| throttled(); |
| throttled(); |
| throttled(); |
| |
| var lastCount = callCount; |
| assert.ok(callCount > 0); |
| |
| setTimeout(function() { |
| assert.ok(callCount > lastCount); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('subsequent calls should return the result of the first call', function(assert) { |
| assert.expect(5); |
| |
| var done = assert.async(); |
| |
| var throttled = _.throttle(identity, 32), |
| result = [throttled('a'), throttled('b')]; |
| |
| assert.deepEqual(result, ['a', 'a']); |
| |
| setTimeout(function() { |
| var result = [throttled('x'), throttled('y')]; |
| assert.notEqual(result[0], 'a'); |
| assert.notStrictEqual(result[0], undefined); |
| |
| assert.notEqual(result[1], 'y'); |
| assert.notStrictEqual(result[1], undefined); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('should clear timeout when `func` is called', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| if (!isModularize) { |
| var callCount = 0, |
| dateCount = 0; |
| |
| var getTime = function() { |
| return ++dateCount == 5 |
| ? Infinity |
| : +new Date; |
| }; |
| |
| var lodash = _.runInContext(lodashStable.assign({}, root, { |
| 'Date': lodashStable.assign(function() { |
| return { 'getTime': getTime }; |
| }, { |
| 'now': Date.now |
| }) |
| })); |
| |
| var throttled = lodash.throttle(function() { callCount++; }, 32); |
| |
| throttled(); |
| throttled(); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 64); |
| } |
| else { |
| skipAssert(assert); |
| done(); |
| } |
| }); |
| |
| QUnit.test('should not trigger a trailing call when invoked once', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| throttled = _.throttle(function() { callCount++; }, 32); |
| |
| throttled(); |
| assert.strictEqual(callCount, 1); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| done(); |
| }, 64); |
| }); |
| |
| lodashStable.times(2, function(index) { |
| QUnit.test('should trigger a call when invoked repeatedly' + (index ? ' and `leading` is `false`' : ''), function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| limit = (argv || isPhantom) ? 1000 : 320, |
| options = index ? { 'leading': false } : {}, |
| throttled = _.throttle(function() { callCount++; }, 32, options); |
| |
| var start = +new Date; |
| while ((new Date - start) < limit) { |
| throttled(); |
| } |
| var actual = callCount > 1; |
| setTimeout(function() { |
| assert.ok(actual); |
| done(); |
| }, 1); |
| }); |
| }); |
| |
| QUnit.test('should trigger a second throttled call as soon as possible', function(assert) { |
| assert.expect(3); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var throttled = _.throttle(function() { |
| callCount++; |
| }, 128, { 'leading': false }); |
| |
| throttled(); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| throttled(); |
| }, 192); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| }, 254); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 384); |
| }); |
| |
| QUnit.test('should apply default options', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| throttled = _.throttle(function() { callCount++; }, 32, {}); |
| |
| throttled(); |
| throttled(); |
| assert.strictEqual(callCount, 1); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 2); |
| done(); |
| }, 128); |
| }); |
| |
| QUnit.test('should support a `leading` option', function(assert) { |
| assert.expect(2); |
| |
| var withLeading = _.throttle(identity, 32, { 'leading': true }); |
| assert.strictEqual(withLeading('a'), 'a'); |
| |
| var withoutLeading = _.throttle(identity, 32, { 'leading': false }); |
| assert.strictEqual(withoutLeading('a'), undefined); |
| }); |
| |
| QUnit.test('should support a `trailing` option', function(assert) { |
| assert.expect(6); |
| |
| var done = assert.async(); |
| |
| var withCount = 0, |
| withoutCount = 0; |
| |
| var withTrailing = _.throttle(function(value) { |
| withCount++; |
| return value; |
| }, 64, { 'trailing': true }); |
| |
| var withoutTrailing = _.throttle(function(value) { |
| withoutCount++; |
| return value; |
| }, 64, { 'trailing': false }); |
| |
| assert.strictEqual(withTrailing('a'), 'a'); |
| assert.strictEqual(withTrailing('b'), 'a'); |
| |
| assert.strictEqual(withoutTrailing('a'), 'a'); |
| assert.strictEqual(withoutTrailing('b'), 'a'); |
| |
| setTimeout(function() { |
| assert.strictEqual(withCount, 2); |
| assert.strictEqual(withoutCount, 1); |
| done(); |
| }, 256); |
| }); |
| |
| QUnit.test('should not update `lastCalled`, at the end of the timeout, when `trailing` is `false`', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var throttled = _.throttle(function() { |
| callCount++; |
| }, 64, { 'trailing': false }); |
| |
| throttled(); |
| throttled(); |
| |
| setTimeout(function() { |
| throttled(); |
| throttled(); |
| }, 96); |
| |
| setTimeout(function() { |
| assert.ok(callCount > 1); |
| done(); |
| }, 192); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.debounce and lodash.throttle'); |
| |
| lodashStable.each(['debounce', 'throttle'], function(methodName) { |
| var func = _[methodName], |
| isDebounce = methodName == 'debounce'; |
| |
| QUnit.test('`_.' + methodName + '` should not error for non-object `options` values', function(assert) { |
| assert.expect(1); |
| |
| var pass = true; |
| |
| try { |
| func(noop, 32, 1); |
| } catch (e) { |
| pass = false; |
| } |
| assert.ok(pass); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should use a default `wait` of `0`', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| funced = func(function() { callCount++; }); |
| |
| funced(); |
| |
| setTimeout(function() { |
| funced(); |
| assert.strictEqual(callCount, isDebounce ? 1 : 2); |
| done(); |
| }, 32); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should invoke `func` with the correct `this` binding', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var actual = [], |
| object = { 'funced': func(function() { actual.push(this); }, 32) }, |
| expected = lodashStable.times(isDebounce ? 1 : 2, lodashStable.constant(object)); |
| |
| object.funced(); |
| if (!isDebounce) { |
| object.funced(); |
| } |
| setTimeout(function() { |
| assert.deepEqual(actual, expected); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` supports recursive calls', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var actual = [], |
| args = lodashStable.map(['a', 'b', 'c'], function(chr) { return [{}, chr]; }), |
| expected = args.slice(), |
| queue = args.slice(); |
| |
| var funced = func(function() { |
| var current = [this]; |
| push.apply(current, arguments); |
| actual.push(current); |
| |
| var next = queue.shift(); |
| if (next) { |
| funced.call(next[0], next[1]); |
| } |
| }, 32); |
| |
| var next = queue.shift(); |
| funced.call(next[0], next[1]); |
| assert.deepEqual(actual, expected.slice(0, isDebounce ? 0 : 1)); |
| |
| setTimeout(function() { |
| assert.deepEqual(actual, expected.slice(0, actual.length)); |
| done(); |
| }, 256); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work if the system time is set backwards', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| if (!isModularize) { |
| var callCount = 0, |
| dateCount = 0; |
| |
| var getTime = function() { |
| return ++dateCount === 4 |
| ? +new Date(2012, 3, 23, 23, 27, 18) |
| : +new Date; |
| }; |
| |
| var lodash = _.runInContext(lodashStable.assign({}, root, { |
| 'Date': lodashStable.assign(function() { |
| return { 'getTime': getTime, 'valueOf': getTime }; |
| }, { |
| 'now': Date.now |
| }) |
| })); |
| |
| var funced = lodash[methodName](function() { |
| callCount++; |
| }, 32); |
| |
| funced(); |
| |
| setTimeout(function() { |
| funced(); |
| assert.strictEqual(callCount, isDebounce ? 1 : 2); |
| done(); |
| }, 64); |
| } |
| else { |
| skipAssert(assert); |
| done(); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support cancelling delayed calls', function(assert) { |
| assert.expect(1); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var funced = func(function() { |
| callCount++; |
| }, 32, { 'leading': false }); |
| |
| funced(); |
| funced.cancel(); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 0); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should reset `lastCalled` after cancelling', function(assert) { |
| assert.expect(3); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var funced = func(function() { |
| return ++callCount; |
| }, 32, { 'leading': true }); |
| |
| assert.strictEqual(funced(), 1); |
| funced.cancel(); |
| |
| assert.strictEqual(funced(), 2); |
| funced(); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 3); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support flushing delayed calls', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0; |
| |
| var funced = func(function() { |
| return ++callCount; |
| }, 32, { 'leading': false }); |
| |
| funced(); |
| assert.strictEqual(funced.flush(), 1); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 1); |
| done(); |
| }, 64); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should noop `cancel` and `flush` when nothing is queued', function(assert) { |
| assert.expect(2); |
| |
| var done = assert.async(); |
| |
| var callCount = 0, |
| funced = func(function() { callCount++; }, 32); |
| |
| funced.cancel(); |
| assert.strictEqual(funced.flush(), undefined); |
| |
| setTimeout(function() { |
| assert.strictEqual(callCount, 0); |
| done(); |
| }, 64); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.times'); |
| |
| (function() { |
| QUnit.test('should coerce non-finite `n` values to `0`', function(assert) { |
| assert.expect(3); |
| |
| lodashStable.each([-Infinity, NaN, Infinity], function(n) { |
| assert.deepEqual(_.times(n), []); |
| }); |
| }); |
| |
| QUnit.test('should coerce `n` to an integer', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.times(2.6, _.indentify); |
| assert.deepEqual(actual, [0, 1]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.times(1, function(assert) { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [0]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant([0, 1, 2])); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.times(3, value) : _.times(3); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an array of the results of each `iteratee` execution', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.times(3, doubled), [0, 2, 4]); |
| }); |
| |
| QUnit.test('should return an empty array for falsey and negative `n` arguments', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat(-1, -Infinity), |
| expected = lodashStable.map(values, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.times(value) : _.times(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.deepEqual(_(3).times(), [0, 1, 2]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| assert.ok(_(3).chain().times() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toArray'); |
| |
| (function() { |
| QUnit.test('should convert objects to arrays', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(_.toArray({ 'a': 1, 'b': 2 }), [1, 2]); |
| }); |
| |
| QUnit.test('should convert strings to arrays', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.toArray(''), []); |
| assert.deepEqual(_.toArray('ab'), ['a', 'b']); |
| assert.deepEqual(_.toArray(Object('ab')), ['a', 'b']); |
| }); |
| |
| QUnit.test('should convert iterables to arrays', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm && Symbol && Symbol.iterator) { |
| var object = { '0': 'a', 'length': 1 }; |
| object[Symbol.iterator] = arrayProto[Symbol.iterator]; |
| |
| assert.deepEqual(_.toArray(object), ['a']); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| actual = _(array).slice(1).map(String).toArray().value(); |
| |
| assert.deepEqual(actual, lodashStable.map(array.slice(1), String)); |
| |
| var object = lodashStable.zipObject(lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return ['key' + index, index]; |
| })); |
| |
| actual = _(object).toArray().slice(1).map(String).value(); |
| assert.deepEqual(actual, _.map(_.toArray(object).slice(1), String)); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toLower'); |
| |
| (function() { |
| QUnit.test('should convert whole string to lower case', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.toLower('--Foo-Bar--'), '--foo-bar--'); |
| assert.deepEqual(_.toLower('fooBar'), 'foobar'); |
| assert.deepEqual(_.toLower('__FOO_BAR__'), '__foo_bar__'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toUpper'); |
| |
| (function() { |
| QUnit.test('should convert whole string to upper case', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.toUpper('--Foo-Bar'), '--FOO-BAR'); |
| assert.deepEqual(_.toUpper('fooBar'), 'FOOBAR'); |
| assert.deepEqual(_.toUpper('__FOO_BAR__'), '__FOO_BAR__'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.slice and lodash.toArray'); |
| |
| lodashStable.each(['slice', 'toArray'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| array = [1, 2, 3], |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return a dense array', function(assert) { |
| assert.expect(3); |
| |
| var sparse = Array(3); |
| sparse[1] = 2; |
| |
| var actual = func(sparse); |
| |
| assert.ok('0' in actual); |
| assert.ok('2' in actual); |
| assert.deepEqual(actual, sparse); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat array-like objects like arrays', function(assert) { |
| assert.expect(2); |
| |
| var object = { '0': 'a', '1': 'b', '2': 'c', 'length': 3 }; |
| assert.deepEqual(func(object), ['a', 'b', 'c']); |
| assert.deepEqual(func(args), array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a shallow clone of arrays', function(assert) { |
| assert.expect(2); |
| |
| var actual = func(array); |
| assert.deepEqual(actual, array); |
| assert.notStrictEqual(actual, array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with a node list for `collection`', function(assert) { |
| assert.expect(1); |
| |
| if (document) { |
| try { |
| var actual = func(document.getElementsByTagName('body')); |
| } catch (e) {} |
| |
| assert.deepEqual(actual, [body]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('toInteger methods'); |
| |
| lodashStable.each(['toInteger', 'toSafeInteger'], function(methodName) { |
| var func = _[methodName], |
| isSafe = methodName == 'toSafeInteger'; |
| |
| QUnit.test('`_.' + methodName + '` should convert values to integers', function(assert) { |
| assert.expect(6); |
| |
| assert.strictEqual(func(-5.6), -5); |
| assert.strictEqual(func('5.6'), 5); |
| assert.strictEqual(func(), 0); |
| assert.strictEqual(func(NaN), 0); |
| |
| var expected = isSafe ? MAX_SAFE_INTEGER : MAX_INTEGER; |
| assert.strictEqual(func(Infinity), expected); |
| assert.strictEqual(func(-Infinity), -expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support `value` of `-0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / func(-0), -Infinity); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toLength'); |
| |
| (function() { |
| QUnit.test('should return a valid length', function(assert) { |
| assert.expect(4); |
| |
| assert.strictEqual(_.toLength(-1), 0); |
| assert.strictEqual(_.toLength('1'), 1); |
| assert.strictEqual(_.toLength(1.1), 1); |
| assert.strictEqual(_.toLength(MAX_INTEGER), MAX_ARRAY_LENGTH); |
| }); |
| |
| QUnit.test('should return `value` if a valid length', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.toLength(0), 0); |
| assert.strictEqual(_.toLength(3), 3); |
| assert.strictEqual(_.toLength(MAX_ARRAY_LENGTH), MAX_ARRAY_LENGTH); |
| }); |
| |
| QUnit.test('should convert `-0` to `0`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(1 / _.toLength(-0), Infinity); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('number coercion methods'); |
| |
| lodashStable.each(['toInteger', 'toNumber', 'toSafeInteger'], function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should preserve the sign of `0`', function(assert) { |
| assert.expect(2); |
| |
| var values = [0, '0', -0, '-0'], |
| expected = [[0, Infinity], [0, Infinity], [-0, -Infinity], [-0, -Infinity]]; |
| |
| lodashStable.times(2, function(index) { |
| var others = lodashStable.map(values, index ? Object : identity); |
| |
| var actual = lodashStable.map(others, function(value) { |
| var result = func(value); |
| return [result, 1 / result]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }); |
| |
| lodashStable.each(['toInteger', 'toLength', 'toNumber', 'toSafeInteger'], function(methodName) { |
| var func = _[methodName], |
| isToLength = methodName == 'toLength', |
| isToNumber = methodName == 'toNumber', |
| isToSafeInteger = methodName == 'toSafeInteger'; |
| |
| function negative(string) { |
| return '-' + string; |
| } |
| |
| function pad(string) { |
| return whitespace + string + whitespace; |
| } |
| |
| function positive(string) { |
| return '+' + string; |
| } |
| |
| QUnit.test('`_.' + methodName + '` should pass thru primitive number values', function(assert) { |
| assert.expect(1); |
| |
| var values = [0, 1, NaN]; |
| |
| var expected = lodashStable.map(values, function(value) { |
| return (!isToNumber && value !== value) ? 0 : value; |
| }); |
| |
| var actual = lodashStable.map(values, func); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert number primitives and objects to numbers', function(assert) { |
| assert.expect(1); |
| |
| var values = [2, 1.2, MAX_SAFE_INTEGER, MAX_INTEGER, Infinity, NaN]; |
| |
| var expected = lodashStable.map(values, function(value) { |
| if (!isToNumber) { |
| if (value == 1.2) { |
| value = 1; |
| } |
| else if (value == Infinity) { |
| value = MAX_INTEGER; |
| } |
| else if (value !== value) { |
| value = 0; |
| } |
| if (isToLength || isToSafeInteger) { |
| value = Math.min(value, isToLength ? MAX_ARRAY_LENGTH : MAX_SAFE_INTEGER); |
| } |
| } |
| var neg = isToLength ? 0 : -value; |
| return [value, value, neg, neg]; |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return [func(value), func(Object(value)), func(-value), func(Object(-value))]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert string primitives and objects to numbers', function(assert) { |
| assert.expect(1); |
| |
| var transforms = [identity, pad, positive, negative]; |
| |
| var values = [ |
| '10', '1.234567890', (MAX_SAFE_INTEGER + ''), |
| '1e+308', '1e308', '1E+308', '1E308', |
| '5e-324', '5E-324', |
| 'Infinity', 'NaN' |
| ]; |
| |
| var expected = lodashStable.map(values, function(value) { |
| var n = +value; |
| if (!isToNumber) { |
| if (n == 1.234567890) { |
| n = 1; |
| } |
| else if (n == Infinity) { |
| n = MAX_INTEGER; |
| } |
| else if (n == Number.MIN_VALUE || n !== n) { |
| n = 0; |
| } |
| if (isToLength || isToSafeInteger) { |
| n = Math.min(n, isToLength ? MAX_ARRAY_LENGTH : MAX_SAFE_INTEGER); |
| } |
| } |
| var neg = isToLength ? 0 : -n; |
| return [n, n, n, n, n, n, neg, neg]; |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return lodashStable.flatMap(transforms, function(mod) { |
| return [func(mod(value)), func(Object(mod(value)))]; |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert binary/octal strings to numbers', function(assert) { |
| assert.expect(1); |
| |
| var numbers = [42, 5349, 1715004], |
| transforms = [identity, pad], |
| values = ['0b101010', '0o12345', '0x1a2b3c']; |
| |
| var expected = lodashStable.map(numbers, function(n) { |
| return lodashStable.times(8, lodashStable.constant(n)); |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| var upper = value.toUpperCase(); |
| return lodashStable.flatMap(transforms, function(mod) { |
| return [func(mod(value)), func(Object(mod(value))), func(mod(upper)), func(Object(mod(upper)))]; |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert invalid binary/octal strings to `' + (isToNumber ? 'NaN' : '0') + '`', function(assert) { |
| assert.expect(1); |
| |
| var transforms = [identity, pad, positive, negative], |
| values = ['0b', '0o', '0x', '0b1010102', '0o123458', '0x1a2b3x']; |
| |
| var expected = lodashStable.map(values, function(n) { |
| return lodashStable.times(8, lodashStable.constant(isToNumber ? NaN : 0)); |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return lodashStable.flatMap(transforms, function(mod) { |
| return [func(mod(value)), func(Object(mod(value)))]; |
| }); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert symbols to `' + (isToNumber ? 'NaN' : '0') + '`', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol) { |
| var object1 = Object(symbol), |
| object2 = Object(symbol), |
| values = [symbol, object1, object2], |
| expected = lodashStable.map(values, lodashStable.constant(isToNumber ? NaN : 0)); |
| |
| object2.valueOf = undefined; |
| var actual = lodashStable.map(values, func); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should convert empty values to `0` or `NaN`', function(assert) { |
| assert.expect(1); |
| |
| var values = falsey.concat(whitespace); |
| |
| var expected = lodashStable.map(values, function(value) { |
| return (isToNumber && value !== whitespace) ? Number(value) : 0; |
| }); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? func(value) : func(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce objects to numbers', function(assert) { |
| assert.expect(1); |
| |
| var values = [ |
| {}, |
| [], |
| [1], |
| [1, 2], |
| { 'valueOf': '1.1' }, |
| { 'valueOf': '1.1', 'toString': lodashStable.constant('2.2') }, |
| { 'valueOf': lodashStable.constant('1.1'), 'toString': '2.2' }, |
| { 'valueOf': lodashStable.constant('1.1'), 'toString': lodashStable.constant('2.2') }, |
| { 'valueOf': lodashStable.constant('-0x1a2b3c') }, |
| { 'toString': lodashStable.constant('-0x1a2b3c') }, |
| { 'valueOf': lodashStable.constant('0o12345') }, |
| { 'toString': lodashStable.constant('0o12345') }, |
| { 'valueOf': lodashStable.constant('0b101010') }, |
| { 'toString': lodashStable.constant('0b101010') } |
| ]; |
| |
| var expected = [ |
| NaN, 0, 1, NaN, |
| NaN, 2.2, 1.1, 1.1, |
| NaN, NaN, |
| 5349, 5349, |
| 42, 42 |
| ]; |
| |
| if (!isToNumber) { |
| expected = [ |
| 0, 0, 1, 0, |
| 0, 2, 1, 1, |
| 0, 0, |
| 5349, 5349, |
| 42, 42 |
| ]; |
| } |
| var actual = lodashStable.map(values, func); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toPairs'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.entries, _.toPairs); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toPairsIn'); |
| |
| (function() { |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.entriesIn, _.toPairsIn); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('toPairs methods'); |
| |
| lodashStable.each(['toPairs', 'toPairsIn'], function(methodName) { |
| var func = _[methodName], |
| isToPairs = methodName == 'toPairs'; |
| |
| QUnit.test('`_.' + methodName + '` should create an array of string keyed-value pairs', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| actual = lodashStable.sortBy(func(object), 0); |
| |
| assert.deepEqual(actual, [['a', 1], ['b', 2]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with an object that has a `length` property', function(assert) { |
| assert.expect(1); |
| |
| var object = { '0': 'a', '1': 'b', 'length': 2 }, |
| actual = lodashStable.sortBy(func(object), 0); |
| |
| assert.deepEqual(actual, [['0', 'a'], ['1', 'b'], ['length', 2]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isToPairs ? 'not ' : '') + 'include inherited string keyed property values', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var expected = isToPairs ? [['a', 1]] : [['a', 1], ['b', 2]], |
| actual = lodashStable.sortBy(func(new Foo), 0); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with strings', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each(['xo', Object('xo')], function(string) { |
| var actual = lodashStable.sortBy(func(string), 0); |
| assert.deepEqual(actual, [['0', 'x'], ['1', 'o']]); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toPath'); |
| |
| (function() { |
| QUnit.test('should convert a string to a path', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.toPath('a.b.c'), ['a', 'b', 'c']); |
| assert.deepEqual(_.toPath('a[0].b.c'), ['a', '0', 'b', 'c']); |
| }); |
| |
| QUnit.test('should coerce array elements to strings', function(assert) { |
| assert.expect(4); |
| |
| var array = ['a', 'b', 'c']; |
| |
| lodashStable.each([array, lodashStable.map(array, Object)], function(value) { |
| var actual = _.toPath(value); |
| assert.deepEqual(actual, array); |
| assert.notStrictEqual(actual, array); |
| }); |
| }); |
| |
| QUnit.test('should a new path array', function(assert) { |
| assert.expect(1); |
| |
| assert.notStrictEqual(_.toPath('a.b.c'), _.toPath('a.b.c')); |
| }); |
| |
| QUnit.test('should not coerce symbols to strings', function(assert) { |
| assert.expect(4); |
| |
| if (Symbol) { |
| var object = Object(symbol); |
| lodashStable.each([symbol, object, [symbol], [object]], function(value) { |
| var actual = _.toPath(value); |
| assert.ok(lodashStable.isSymbol(actual[0])); |
| }); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should handle complex paths', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.toPath('a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g'); |
| assert.deepEqual(actual, ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g']); |
| }); |
| |
| QUnit.test('should ignore consecutive brackets and dots', function(assert) { |
| assert.expect(4); |
| |
| var expected = ['a']; |
| assert.deepEqual(_.toPath('a.'), expected); |
| assert.deepEqual(_.toPath('a[]'), expected); |
| |
| expected = ['a', 'b']; |
| assert.deepEqual(_.toPath('a..b'), expected); |
| assert.deepEqual(_.toPath('a[][]b'), expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toPlainObject'); |
| |
| (function() { |
| var args = arguments; |
| |
| QUnit.test('should flatten inherited string keyed properties', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.b = 2; |
| } |
| Foo.prototype.c = 3; |
| |
| var actual = lodashStable.assign({ 'a': 1 }, _.toPlainObject(new Foo)); |
| assert.deepEqual(actual, { 'a': 1, 'b': 2, 'c': 3 }); |
| }); |
| |
| QUnit.test('should convert `arguments` objects to plain objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.toPlainObject(args), |
| expected = { '0': 1, '1': 2, '2': 3 }; |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should convert arrays to plain objects', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.toPlainObject(['a', 'b', 'c']), |
| expected = { '0': 'a', '1': 'b', '2': 'c' }; |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.toString'); |
| |
| (function() { |
| QUnit.test('should treat nullish values as empty strings', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysEmptyString); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.toString(value) : _.toString(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var values = [-0, Object(-0), 0, Object(0)], |
| expected = ['-0', '-0', '0', '0'], |
| actual = lodashStable.map(values, _.toString); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not error on symbols', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol) { |
| try { |
| assert.strictEqual(_.toString(symbol), 'Symbol(a)'); |
| } catch (e) { |
| assert.ok(false, e.message); |
| } |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should return the `toString` result of the wrapped value', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _([1, 2, 3]); |
| assert.strictEqual(wrapped.toString(), '1,2,3'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.transform'); |
| |
| (function() { |
| function Foo() { |
| this.a = 1; |
| this.b = 2; |
| this.c = 3; |
| } |
| |
| QUnit.test('should create an object with the same `[[Prototype]]` as `object` when `accumulator` is nullish', function(assert) { |
| assert.expect(4); |
| |
| var accumulators = [, null, undefined], |
| object = new Foo, |
| expected = lodashStable.map(accumulators, alwaysTrue); |
| |
| var iteratee = function(result, value, key) { |
| result[key] = square(value); |
| }; |
| |
| var mapper = function(accumulator, index) { |
| return index ? _.transform(object, iteratee, accumulator) : _.transform(object, iteratee); |
| }; |
| |
| var results = lodashStable.map(accumulators, mapper); |
| |
| var actual = lodashStable.map(results, function(result) { |
| return result instanceof Foo; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| expected = lodashStable.map(accumulators, lodashStable.constant({ 'a': 1, 'b': 4, 'c': 9 })); |
| actual = lodashStable.map(results, lodashStable.toPlainObject); |
| |
| assert.deepEqual(actual, expected); |
| |
| object = { 'a': 1, 'b': 2, 'c': 3 }; |
| actual = lodashStable.map(accumulators, mapper); |
| |
| assert.deepEqual(actual, expected); |
| |
| object = [1, 2, 3]; |
| expected = lodashStable.map(accumulators, lodashStable.constant([1, 4, 9])); |
| actual = lodashStable.map(accumulators, mapper); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should create regular arrays from typed arrays', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(typedArrays, alwaysTrue); |
| |
| var actual = lodashStable.map(typedArrays, function(type) { |
| var Ctor = root[type], |
| array = Ctor ? new Ctor(new ArrayBuffer(24)) : []; |
| |
| return lodashStable.isArray(_.transform(array, noop)); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should support an `accumulator` value', function(assert) { |
| assert.expect(6); |
| |
| var values = [new Foo, [1, 2, 3], { 'a': 1, 'b': 2, 'c': 3 }], |
| expected = lodashStable.map(values, lodashStable.constant([1, 4, 9])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return _.transform(value, function(result, value) { |
| result.push(square(value)); |
| }, []); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| var object = { 'a': 1, 'b': 4, 'c': 9 }, |
| expected = [object, { '0': 1, '1': 4, '2': 9 }, object]; |
| |
| actual = lodashStable.map(values, function(value) { |
| return _.transform(value, function(result, value, key) { |
| result[key] = square(value); |
| }, {}); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| |
| lodashStable.each([[], {}], function(accumulator) { |
| var actual = lodashStable.map(values, function(value) { |
| return _.transform(value, noop, accumulator); |
| }); |
| |
| assert.ok(lodashStable.every(actual, function(result) { |
| return result === accumulator; |
| })); |
| |
| assert.strictEqual(_.transform(null, null, accumulator), accumulator); |
| }); |
| }); |
| |
| QUnit.test('should treat sparse arrays as dense', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.transform(Array(1), function(result, value, index) { |
| result[index] = String(value); |
| }); |
| |
| assert.deepEqual(actual, ['undefined']); |
| }); |
| |
| QUnit.test('should work without an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| assert.ok(_.transform(new Foo) instanceof Foo); |
| }); |
| |
| QUnit.test('should ensure `object` is an object before using its `[[Prototype]]`', function(assert) { |
| assert.expect(2); |
| |
| var Ctors = [Boolean, Boolean, Number, Number, Number, String, String], |
| values = [false, true, 0, 1, NaN, '', 'a'], |
| expected = lodashStable.map(values, alwaysEmptyObject); |
| |
| var results = lodashStable.map(values, function(value) { |
| return _.transform(value); |
| }); |
| |
| assert.deepEqual(results, expected); |
| |
| expected = lodashStable.map(values, alwaysFalse); |
| |
| var actual = lodashStable.map(results, function(value, index) { |
| return value instanceof Ctors[index]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should ensure `object` constructor is a function before using its `[[Prototype]]`', function(assert) { |
| assert.expect(1); |
| |
| Foo.prototype.constructor = null; |
| assert.notOk(_.transform(new Foo) instanceof Foo); |
| Foo.prototype.constructor = Foo; |
| }); |
| |
| QUnit.test('should create an empty object when given a falsey `object` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyObject); |
| |
| var actual = lodashStable.map(falsey, function(object, index) { |
| return index ? _.transform(object) : _.transform(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| lodashStable.each({ |
| 'array': [1, 2, 3], |
| 'object': { 'a': 1, 'b': 2, 'c': 3 } |
| }, |
| function(object, key) { |
| QUnit.test('should provide the correct `iteratee` arguments when transforming an ' + key, function(assert) { |
| assert.expect(2); |
| |
| var args; |
| |
| _.transform(object, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| var first = args[0]; |
| if (key == 'array') { |
| assert.ok(first !== object && lodashStable.isArray(first)); |
| assert.deepEqual(args, [first, 1, 0, object]); |
| } else { |
| assert.ok(first !== object && lodashStable.isPlainObject(first)); |
| assert.deepEqual(args, [first, 1, 'a', object]); |
| } |
| }); |
| }); |
| |
| QUnit.test('should create an object from the same realm as `object`', function(assert) { |
| assert.expect(1); |
| |
| var objects = lodashStable.filter(realm, function(value) { |
| return lodashStable.isObject(value) && !lodashStable.isElement(value); |
| }); |
| |
| var expected = lodashStable.map(objects, alwaysTrue); |
| |
| var actual = lodashStable.map(objects, function(object) { |
| var Ctor = object.constructor, |
| result = _.transform(object); |
| |
| if (result === object) { |
| return false; |
| } |
| if (lodashStable.isTypedArray(object)) { |
| return result instanceof Array; |
| } |
| return result instanceof Ctor || !(new Ctor instanceof Ctor); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('trim methods'); |
| |
| lodashStable.each(['trim', 'trimStart', 'trimEnd'], function(methodName, index) { |
| var func = _[methodName], |
| parts = []; |
| |
| if (index != 2) { |
| parts.push('leading'); |
| } |
| if (index != 1) { |
| parts.push('trailing'); |
| } |
| parts = parts.join(' and '); |
| |
| QUnit.test('`_.' + methodName + '` should remove ' + parts + ' whitespace', function(assert) { |
| assert.expect(1); |
| |
| var string = whitespace + 'a b c' + whitespace, |
| expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''); |
| |
| assert.strictEqual(func(string), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `string` to a string', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'toString': lodashStable.constant(whitespace + 'a b c' + whitespace) }, |
| expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''); |
| |
| assert.strictEqual(func(object), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should remove ' + parts + ' `chars`', function(assert) { |
| assert.expect(1); |
| |
| var string = '-_-a-b-c-_-', |
| expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : ''); |
| |
| assert.strictEqual(func(string, '_-'), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should coerce `chars` to a string', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'toString': lodashStable.constant('_-') }, |
| string = '-_-a-b-c-_-', |
| expected = (index == 2 ? '-_-' : '') + 'a-b-c' + (index == 1 ? '-_-' : ''); |
| |
| assert.strictEqual(func(string, object), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an empty string for empty values and `chars`', function(assert) { |
| assert.expect(6); |
| |
| lodashStable.each([null, '_-'], function(chars) { |
| assert.strictEqual(func(null, chars), ''); |
| assert.strictEqual(func(undefined, chars), ''); |
| assert.strictEqual(func('', chars), ''); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `undefined` or empty string values for `chars`', function(assert) { |
| assert.expect(2); |
| |
| var string = whitespace + 'a b c' + whitespace, |
| expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''); |
| |
| assert.strictEqual(func(string, undefined), expected); |
| assert.strictEqual(func(string, ''), string); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var string = Object(whitespace + 'a b c' + whitespace), |
| trimmed = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''), |
| actual = lodashStable.map([string, string, string], func); |
| |
| assert.deepEqual(actual, [trimmed, trimmed, trimmed]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var string = whitespace + 'a b c' + whitespace, |
| expected = (index == 2 ? whitespace : '') + 'a b c' + (index == 1 ? whitespace : ''); |
| |
| assert.strictEqual(_(string)[methodName](), expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var string = whitespace + 'a b c' + whitespace; |
| assert.ok(_(string).chain()[methodName]() instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('uncommon symbols'); |
| |
| (function() { |
| var flag = '\ud83c\uddfa\ud83c\uddf8', |
| heart = '\u2764' + emojiVar, |
| hearts = '\ud83d\udc95', |
| comboGlyph = '\ud83d\udc68\u200d' + heart + '\u200d\ud83d\udc8B\u200d\ud83d\udc68', |
| hashKeycap = '#' + emojiVar + '\u20e3', |
| leafs = '\ud83c\udf42', |
| mic = '\ud83c\udf99', |
| noMic = mic + '\u20e0', |
| raisedHand = '\u270B' + emojiVar, |
| rocket = '\ud83d\ude80', |
| thumbsUp = '\ud83d\udc4d'; |
| |
| QUnit.test('should account for astral symbols', function(assert) { |
| assert.expect(34); |
| |
| var allHearts = _.repeat(hearts, 10), |
| chars = hearts + comboGlyph, |
| string = 'A ' + leafs + ', ' + comboGlyph + ', and ' + rocket, |
| trimChars = comboGlyph + hearts, |
| trimString = trimChars + string + trimChars; |
| |
| assert.strictEqual(_.camelCase(hearts + ' the ' + leafs), hearts + 'The' + leafs); |
| assert.strictEqual(_.camelCase(string), 'a' + leafs + comboGlyph + 'And' + rocket); |
| assert.strictEqual(_.capitalize(rocket), rocket); |
| |
| assert.strictEqual(_.pad(string, 16), ' ' + string + ' '); |
| assert.strictEqual(_.padStart(string, 16), ' ' + string); |
| assert.strictEqual(_.padEnd(string, 16), string + ' '); |
| |
| assert.strictEqual(_.pad(string, 16, chars), hearts + string + chars); |
| assert.strictEqual(_.padStart(string, 16, chars), chars + hearts + string); |
| assert.strictEqual(_.padEnd(string, 16, chars), string + chars + hearts); |
| |
| assert.strictEqual(_.size(string), 13); |
| assert.deepEqual(_.split(string, ' '), ['A', leafs + ',', comboGlyph + ',', 'and', rocket]); |
| assert.deepEqual(_.split(string, ' ', 3), ['A', leafs + ',', comboGlyph + ',']); |
| assert.deepEqual(_.split(string, undefined), [string]); |
| assert.deepEqual(_.split(string, undefined, -1), [string]); |
| assert.deepEqual(_.split(string, undefined, 0), []); |
| |
| var expected = ['A', ' ', leafs, ',', ' ', comboGlyph, ',', ' ', 'a', 'n', 'd', ' ', rocket]; |
| |
| assert.deepEqual(_.split(string, ''), expected); |
| assert.deepEqual(_.split(string, '', 6), expected.slice(0, 6)); |
| assert.deepEqual(_.toArray(string), expected); |
| |
| assert.strictEqual(_.trim(trimString, chars), string); |
| assert.strictEqual(_.trimStart(trimString, chars), string + trimChars); |
| assert.strictEqual(_.trimEnd(trimString, chars), trimChars + string); |
| |
| assert.strictEqual(_.truncate(string, { 'length': 13 }), string); |
| assert.strictEqual(_.truncate(string, { 'length': 6 }), 'A ' + leafs + '...'); |
| |
| assert.deepEqual(_.words(string), ['A', leafs, comboGlyph, 'and', rocket]); |
| assert.deepEqual(_.toArray(hashKeycap), [hashKeycap]); |
| assert.deepEqual(_.toArray(noMic), [noMic]); |
| |
| lodashStable.times(2, function(index) { |
| var separator = index ? RegExp(hearts) : hearts, |
| options = { 'length': 4, 'separator': separator }, |
| actual = _.truncate(string, options); |
| |
| assert.strictEqual(actual, 'A...'); |
| assert.strictEqual(actual.length, 4); |
| |
| actual = _.truncate(allHearts, options); |
| assert.strictEqual(actual, hearts + '...'); |
| assert.strictEqual(actual.length, 5); |
| }); |
| }); |
| |
| QUnit.test('should account for combining diacritical marks', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.map(comboMarks, function(mark) { |
| return 'o' + mark; |
| }); |
| |
| var expected = lodashStable.map(values, function(value) { |
| return [1, [value], [value]]; |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return [_.size(value), _.toArray(value), _.words(value)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should account for fitzpatrick modifiers', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.map(fitzModifiers, function(modifier) { |
| return thumbsUp + modifier; |
| }); |
| |
| var expected = lodashStable.map(values, function(value) { |
| return [1, [value], [value]]; |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return [_.size(value), _.toArray(value), _.words(value)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should account for regional symbols', function(assert) { |
| assert.expect(6); |
| |
| var pair = flag.match(/\ud83c[\udde6-\uddff]/g), |
| regionals = pair.join(' '); |
| |
| assert.strictEqual(_.size(flag), 1); |
| assert.strictEqual(_.size(regionals), 3); |
| |
| assert.deepEqual(_.toArray(flag), [flag]); |
| assert.deepEqual(_.toArray(regionals), [pair[0], ' ', pair[1]]); |
| |
| assert.deepEqual(_.words(flag), [flag]); |
| assert.deepEqual(_.words(regionals), [pair[0], pair[1]]); |
| }); |
| |
| QUnit.test('should account for variation selectors', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.size(heart), 1); |
| assert.deepEqual(_.toArray(heart), [heart]); |
| assert.deepEqual(_.words(heart), [heart]); |
| }); |
| |
| QUnit.test('should account for variation selectors with fitzpatrick modifiers', function(assert) { |
| assert.expect(1); |
| |
| var values = lodashStable.map(fitzModifiers, function(modifier) { |
| return raisedHand + modifier; |
| }); |
| |
| var expected = lodashStable.map(values, function(value) { |
| return [1, [value], [value]]; |
| }); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return [_.size(value), _.toArray(value), _.words(value)]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should match lone surrogates', function(assert) { |
| assert.expect(3); |
| |
| var pair = hearts.split(''), |
| surrogates = pair[0] + ' ' + pair[1]; |
| |
| assert.strictEqual(_.size(surrogates), 3); |
| assert.deepEqual(_.toArray(surrogates), [pair[0], ' ', pair[1]]); |
| assert.deepEqual(_.words(surrogates), []); |
| }); |
| |
| QUnit.test('should match side by side fitzpatrick modifiers separately ', function(assert) { |
| assert.expect(1); |
| |
| var string = fitzModifiers[0] + fitzModifiers[0]; |
| assert.deepEqual(_.toArray(string), [fitzModifiers[0], fitzModifiers[0]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unary'); |
| |
| (function() { |
| function fn() { |
| return slice.call(arguments); |
| } |
| |
| QUnit.test('should cap the number of arguments provided to `func`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(['6', '8', '10'], _.unary(parseInt)); |
| assert.deepEqual(actual, [6, 8, 10]); |
| }); |
| |
| QUnit.test('should work when provided less than the capped number of arguments', function(assert) { |
| assert.expect(1); |
| |
| var capped = _.unary(fn); |
| assert.deepEqual(capped(), []); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unescape'); |
| |
| (function() { |
| var escaped = '&<>"'\/', |
| unescaped = '&<>"\'\/'; |
| |
| escaped += escaped; |
| unescaped += unescaped; |
| |
| QUnit.test('should unescape entities in order', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.unescape('&lt;'), '<'); |
| }); |
| |
| QUnit.test('should unescape the proper entities', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.unescape(escaped), unescaped); |
| }); |
| |
| QUnit.test('should not unescape the "/" entity', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.unescape('/'), '/'); |
| }); |
| |
| QUnit.test('should handle strings with nothing to unescape', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.unescape('abc'), 'abc'); |
| }); |
| |
| QUnit.test('should unescape the same characters escaped by `_.escape`', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(_.unescape(_.escape(unescaped)), unescaped); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unionBy'); |
| |
| (function() { |
| QUnit.test('should accept an `iteratee` argument', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.unionBy([2.1, 1.2], [4.3, 2.4], Math.floor); |
| assert.deepEqual(actual, [2.1, 1.2, 4.3]); |
| |
| actual = _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); |
| assert.deepEqual(actual, [{ 'x': 1 }, { 'x': 2 }]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.unionBy([2.1, 1.2], [4.3, 2.4], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [2.1]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unionWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }], |
| others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }], |
| actual = _.unionWith(objects, others, lodashStable.isEqual); |
| |
| assert.deepEqual(actual, [objects[0], objects[1], others[0]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('union methods'); |
| |
| lodashStable.each(['union', 'unionBy', 'unionWith'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the union of the given arrays', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, 3, 2], [5, 2, 1, 4], [2, 1]); |
| assert.deepEqual(actual, [1, 3, 2, 5, 4]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should not flatten nested arrays', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, 3, 2], [1, [5]], [2, [4]]); |
| assert.deepEqual(actual, [1, 3, 2, [5], [4]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) { |
| assert.expect(3); |
| |
| var array = [0]; |
| assert.deepEqual(func(array, 3, { '0': 1 }, null), array); |
| assert.deepEqual(func(null, array, null, [2, 1]), [0, 2, 1]); |
| assert.deepEqual(func(array, null, args, null), [0, 1, 2, 3]); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.uniq'); |
| |
| (function() { |
| QUnit.test('should perform an unsorted uniq when used as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[2, 1, 2], [1, 2, 1]], |
| actual = lodashStable.map(array, lodashStable.uniq); |
| |
| assert.deepEqual(actual, [[2, 1], [1, 2]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('uniqBy methods'); |
| |
| lodashStable.each(['uniqBy', 'sortedUniqBy'], function(methodName) { |
| var func = _[methodName], |
| isSorted = methodName == 'sortedUniqBy', |
| objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }, { 'a': 2 }, { 'a': 3 }, { 'a': 1 }]; |
| |
| if (isSorted) { |
| objects = _.sortBy(objects, 'a'); |
| } |
| QUnit.test('`_.' + methodName + '` should work with an `iteratee` argument', function(assert) { |
| assert.expect(1); |
| |
| var expected = isSorted ? [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }] : objects.slice(0, 3); |
| |
| var actual = func(objects, function(object) { |
| return object.a; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should work with large arrays', function(assert) { |
| assert.expect(2); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function() { |
| return [1, 2]; |
| }); |
| |
| var actual = func(largeArray, String); |
| |
| assert.deepEqual(actual, [[1, 2]]); |
| assert.strictEqual(actual[0], largeArray[0]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| func(objects, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [objects[0]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `_.property` shorthands', function(assert) { |
| assert.expect(2); |
| |
| var expected = isSorted ? [{ 'a': 1 }, { 'a': 2 }, { 'a': 3 }] : objects.slice(0, 3), |
| actual = func(objects, 'a'); |
| |
| assert.deepEqual(actual, expected); |
| |
| var arrays = [[2], [3], [1], [2], [3], [1]]; |
| if (isSorted) { |
| arrays = lodashStable.sortBy(arrays, 0); |
| } |
| expected = isSorted ? [[1], [2], [3]] : arrays.slice(0, 3); |
| actual = func(arrays, 0); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| lodashStable.each({ |
| 'an array': [0, 'a'], |
| 'an object': { '0': 'a' }, |
| 'a number': 0, |
| 'a string': '0' |
| }, |
| function(iteratee, key) { |
| QUnit.test('`_.' + methodName + '` should work with ' + key + ' for `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([['a'], ['a'], ['b']], iteratee); |
| assert.deepEqual(actual, [['a'], ['b']]); |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.uniqWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }], |
| actual = _.uniqWith(objects, lodashStable.isEqual); |
| |
| assert.deepEqual(actual, [objects[0], objects[1]]); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return isEven(index) ? -0 : 0; |
| }); |
| |
| var arrays = [[-0, 0], largeArray], |
| expected = lodashStable.map(arrays, lodashStable.constant(['-0'])); |
| |
| var actual = lodashStable.map(arrays, function(array) { |
| return lodashStable.map(_.uniqWith(array, lodashStable.eq), lodashStable.toString); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('uniq methods'); |
| |
| lodashStable.each(['uniq', 'uniqBy', 'uniqWith', 'sortedUniq', 'sortedUniqBy'], function(methodName) { |
| var func = _[methodName], |
| isSorted = /^sorted/.test(methodName), |
| objects = [{ 'a': 2 }, { 'a': 3 }, { 'a': 1 }, { 'a': 2 }, { 'a': 3 }, { 'a': 1 }]; |
| |
| if (isSorted) { |
| objects = _.sortBy(objects, 'a'); |
| } |
| else { |
| QUnit.test('`_.' + methodName + '` should return unique values of an unsorted array', function(assert) { |
| assert.expect(1); |
| |
| var array = [2, 3, 1, 2, 3, 1]; |
| assert.deepEqual(func(array), [2, 3, 1]); |
| }); |
| } |
| QUnit.test('`_.' + methodName + '` should return unique values of a sorted array', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 1, 2, 2, 3]; |
| assert.deepEqual(func(array), [1, 2, 3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat object instances as unique', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(objects), objects); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat `-0` as `0`', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.map(func([-0, 0]), lodashStable.toString); |
| assert.deepEqual(actual, ['0']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should match `NaN`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func([NaN, NaN]), [NaN]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = [], |
| expected = [0, {}, 'a'], |
| count = Math.ceil(LARGE_ARRAY_SIZE / expected.length); |
| |
| lodashStable.each(expected, function(value) { |
| lodashStable.times(count, function() { |
| largeArray.push(value); |
| }); |
| }); |
| |
| assert.deepEqual(func(largeArray), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of `-0` as `0`', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, function(index) { |
| return isEven(index) ? -0 : 0; |
| }); |
| |
| var actual = lodashStable.map(func(largeArray), lodashStable.toString); |
| assert.deepEqual(actual, ['0']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of boolean, `NaN`, and nullish values', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = [], |
| expected = [null, undefined, false, true, NaN], |
| count = Math.ceil(LARGE_ARRAY_SIZE / expected.length); |
| |
| lodashStable.each(expected, function(value) { |
| lodashStable.times(count, function() { |
| largeArray.push(value); |
| }); |
| }); |
| |
| assert.deepEqual(func(largeArray), expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of symbols', function(assert) { |
| assert.expect(1); |
| |
| if (Symbol) { |
| var largeArray = lodashStable.times(LARGE_ARRAY_SIZE, Symbol); |
| assert.deepEqual(func(largeArray), largeArray); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with large arrays of well-known symbols', function(assert) { |
| assert.expect(1); |
| |
| // See http://www.ecma-international.org/ecma-262/6.0/#sec-well-known-symbols. |
| if (Symbol) { |
| var expected = [ |
| Symbol.hasInstance, Symbol.isConcatSpreadable, Symbol.iterator, |
| Symbol.match, Symbol.replace, Symbol.search, Symbol.species, |
| Symbol.split, Symbol.toPrimitive, Symbol.toStringTag, Symbol.unscopables |
| ]; |
| |
| var largeArray = [], |
| count = Math.ceil(LARGE_ARRAY_SIZE / expected.length); |
| |
| expected = lodashStable.map(expected, function(symbol) { |
| return symbol || {}; |
| }); |
| |
| lodashStable.each(expected, function(value) { |
| lodashStable.times(count, function() { |
| largeArray.push(value); |
| }); |
| }); |
| |
| assert.deepEqual(func(largeArray), expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should distinguish between numbers and numeric strings', function(assert) { |
| assert.expect(1); |
| |
| var largeArray = [], |
| expected = ['2', 2, Object('2'), Object(2)], |
| count = Math.ceil(LARGE_ARRAY_SIZE / expected.length); |
| |
| lodashStable.each(expected, function(value) { |
| lodashStable.times(count, function() { |
| largeArray.push(value); |
| }); |
| }); |
| |
| assert.deepEqual(func(largeArray), expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.uniqueId'); |
| |
| (function() { |
| QUnit.test('should generate unique ids', function(assert) { |
| assert.expect(1); |
| |
| var actual = lodashStable.times(1000, function(assert) { |
| return _.uniqueId(); |
| }); |
| |
| assert.strictEqual(lodashStable.uniq(actual).length, actual.length); |
| }); |
| |
| QUnit.test('should return a string value when not providing a prefix argument', function(assert) { |
| assert.expect(1); |
| |
| assert.strictEqual(typeof _.uniqueId(), 'string'); |
| }); |
| |
| QUnit.test('should coerce the prefix argument to a string', function(assert) { |
| assert.expect(1); |
| |
| var actual = [_.uniqueId(3), _.uniqueId(2), _.uniqueId(1)]; |
| assert.ok(/3\d+,2\d+,1\d+/.test(actual)); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unset'); |
| |
| (function() { |
| QUnit.test('should unset property values', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a', ['a']], function(path) { |
| var object = { 'a': 1, 'c': 2 }; |
| assert.strictEqual(_.unset(object, path), true); |
| assert.deepEqual(object, { 'c': 2 }); |
| }); |
| }); |
| |
| QUnit.test('should preserve the sign of `0`', function(assert) { |
| assert.expect(1); |
| |
| var props = [-0, Object(-0), 0, Object(0)], |
| expected = lodashStable.map(props, lodashStable.constant([true, false])); |
| |
| var actual = lodashStable.map(props, function(key) { |
| var object = { '-0': 'a', '0': 'b' }; |
| return [_.unset(object, key), lodashStable.toString(key) in object]; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should unset symbol keyed property values', function(assert) { |
| assert.expect(2); |
| |
| if (Symbol) { |
| var object = {}; |
| object[symbol] = 1; |
| |
| assert.strictEqual(_.unset(object, symbol), true); |
| assert.notOk(symbol in object); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should unset deep property values', function(assert) { |
| assert.expect(4); |
| |
| lodashStable.each(['a.b', ['a', 'b']], function(path) { |
| var object = { 'a': { 'b': null } }; |
| assert.strictEqual(_.unset(object, path), true); |
| assert.deepEqual(object, { 'a': {} }); |
| }); |
| }); |
| |
| QUnit.test('should handle complex paths', function(assert) { |
| assert.expect(4); |
| |
| var paths = [ |
| 'a[-1.23]["[\\"b\\"]"].c[\'[\\\'d\\\']\'][\ne\n][f].g', |
| ['a', '-1.23', '["b"]', 'c', "['d']", '\ne\n', 'f', 'g'] |
| ]; |
| |
| lodashStable.each(paths, function(path) { |
| var object = { 'a': { '-1.23': { '["b"]': { 'c': { "['d']": { '\ne\n': { 'f': { 'g': 8 } } } } } } } }; |
| assert.strictEqual(_.unset(object, path), true); |
| assert.notOk('g' in object.a[-1.23]['["b"]'].c["['d']"]['\ne\n'].f); |
| }); |
| }); |
| |
| QUnit.test('should return `true` for nonexistent paths', function(assert) { |
| assert.expect(5); |
| |
| var object = { 'a': { 'b': { 'c': null } } }; |
| |
| lodashStable.each(['z', 'a.z', 'a.b.z', 'a.b.c.z'], function(path) { |
| assert.strictEqual(_.unset(object, path), true); |
| }); |
| |
| assert.deepEqual(object, { 'a': { 'b': { 'c': null } } }); |
| }); |
| |
| QUnit.test('should not error when `object` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [null, undefined], |
| expected = [[true, true], [true, true]]; |
| |
| var actual = lodashStable.map(values, function(value) { |
| try { |
| return [_.unset(value, 'a.b'), _.unset(value, ['a', 'b'])]; |
| } catch (e) { |
| return e.message; |
| } |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should follow `path` over non-plain objects', function(assert) { |
| assert.expect(8); |
| |
| var object = { 'a': '' }, |
| paths = ['constructor.prototype.a', ['constructor', 'prototype', 'a']]; |
| |
| lodashStable.each(paths, function(path) { |
| numberProto.a = 1; |
| |
| var actual = _.unset(0, path); |
| assert.strictEqual(actual, true); |
| assert.notOk('a' in numberProto); |
| |
| delete numberProto.a; |
| }); |
| |
| lodashStable.each(['a.replace.b', ['a', 'replace', 'b']], function(path) { |
| stringProto.replace.b = 1; |
| |
| var actual = _.unset(object, path); |
| assert.strictEqual(actual, true); |
| assert.notOk('a' in stringProto.replace); |
| |
| delete stringProto.replace.b; |
| }); |
| }); |
| |
| QUnit.test('should return `false` for non-configurable properties', function(assert) { |
| assert.expect(1); |
| |
| var object = {}; |
| |
| if (!isStrict && defineProperty) { |
| defineProperty(object, 'a', { |
| 'configurable': false, |
| 'enumerable': true, |
| 'writable': true, |
| 'value': 1, |
| }); |
| assert.strictEqual(_.unset(object, 'a'), false); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unzipWith'); |
| |
| (function() { |
| QUnit.test('should unzip arrays combining regrouped elements with `iteratee`', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 4], [2, 5], [3, 6]]; |
| |
| var actual = _.unzipWith(array, function(a, b, c) { |
| return a + b + c; |
| }); |
| |
| assert.deepEqual(actual, [6, 15]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.unzipWith([[1, 3, 5], [2, 4, 6]], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [1, 2]); |
| }); |
| |
| QUnit.test('should perform a basic unzip when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 3], [2, 4]], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant(_.unzip(array))); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.unzipWith(array, value) : _.unzipWith(array); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.updateWith'); |
| |
| (function() { |
| QUnit.test('should work with a `customizer` callback', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.updateWith({ '0': {} }, '[0][1][2]', alwaysThree, function(value) { |
| return lodashStable.isObject(value) ? undefined : {}; |
| }); |
| |
| assert.deepEqual(actual, { '0': { '1': { '2': 3 } } }); |
| }); |
| |
| QUnit.test('should work with a `customizer` that returns `undefined`', function(assert) { |
| assert.expect(1); |
| |
| var actual = _.updateWith({}, 'a[0].b.c', alwaysFour, noop); |
| assert.deepEqual(actual, { 'a': [{ 'b': { 'c': 4 } }] }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('update methods'); |
| |
| lodashStable.each(['update', 'updateWith'], function(methodName) { |
| var func = _[methodName], |
| oldValue = 1; |
| |
| QUnit.test('`_.' + methodName + '` should invoke `updater` with the value on `path` of `object`', function(assert) { |
| assert.expect(4); |
| |
| var object = { 'a': [{ 'b': { 'c': oldValue } }] }, |
| expected = oldValue + 1; |
| |
| lodashStable.each(['a[0].b.c', ['a', '0', 'b', 'c']], function(path) { |
| func(object, path, function(n) { |
| assert.strictEqual(n, oldValue); |
| return ++n; |
| }); |
| |
| assert.strictEqual(object.a[0].b.c, expected); |
| object.a[0].b.c = oldValue; |
| }); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.upperCase'); |
| |
| (function() { |
| QUnit.test('should uppercase as space-separated words', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.upperCase('--foo-bar--'), 'FOO BAR'); |
| assert.strictEqual(_.upperCase('fooBar'), 'FOO BAR'); |
| assert.strictEqual(_.upperCase('__foo_bar__'), 'FOO BAR'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.upperFirst'); |
| |
| (function() { |
| QUnit.test('should uppercase only the first character', function(assert) { |
| assert.expect(3); |
| |
| assert.strictEqual(_.upperFirst('fred'), 'Fred'); |
| assert.strictEqual(_.upperFirst('Fred'), 'Fred'); |
| assert.strictEqual(_.upperFirst('FRED'), 'FRED'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('values methods'); |
| |
| lodashStable.each(['values', 'valuesIn'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| strictArgs = (function() { 'use strict'; return arguments; }(1, 2, 3)), |
| func = _[methodName], |
| isValues = methodName == 'values'; |
| |
| QUnit.test('`_.' + methodName + '` should get string keyed values of `object`', function(assert) { |
| assert.expect(1); |
| |
| var object = { 'a': 1, 'b': 2 }, |
| actual = func(object).sort(); |
| |
| assert.deepEqual(actual, [1, 2]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with an object that has a `length` property', function(assert) { |
| assert.expect(1); |
| |
| var object = { '0': 'a', '1': 'b', 'length': 2 }, |
| actual = func(object).sort(); |
| |
| assert.deepEqual(actual, [2, 'a', 'b']); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isValues ? 'not ' : '') + 'include inherited string keyed property values', function(assert) { |
| assert.expect(1); |
| |
| function Foo() { |
| this.a = 1; |
| } |
| Foo.prototype.b = 2; |
| |
| var expected = isValues ? [1] : [1, 2], |
| actual = func(new Foo).sort(); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| var values = [args, strictArgs], |
| expected = lodashStable.map(values, lodashStable.constant([1, 2, 3])); |
| |
| var actual = lodashStable.map(values, function(value) { |
| return func(value).sort(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.without'); |
| |
| (function() { |
| QUnit.test('should use strict equality to determine the values to reject', function(assert) { |
| assert.expect(2); |
| |
| var object1 = { 'a': 1 }, |
| object2 = { 'b': 2 }, |
| array = [object1, object2]; |
| |
| assert.deepEqual(_.without(array, { 'a': 1 }), array); |
| assert.deepEqual(_.without(array, object1), [object2]); |
| }); |
| |
| QUnit.test('should remove all occurrences of each value from an array', function(assert) { |
| assert.expect(1); |
| |
| var array = [1, 2, 3, 1, 2, 3]; |
| assert.deepEqual(_.without(array, 1, 2), [3, 3]); |
| }); |
| }(1, 2, 3)); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.words'); |
| |
| (function() { |
| QUnit.test('should treat latin-1 supplementary letters as words', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(burredLetters, function(letter) { |
| return [letter]; |
| }); |
| |
| var actual = lodashStable.map(burredLetters, function(letter) { |
| return _.words(letter); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not treat mathematical operators as words', function(assert) { |
| assert.expect(1); |
| |
| var operators = ['\xac', '\xb1', '\xd7', '\xf7'], |
| expected = lodashStable.map(operators, alwaysEmptyArray), |
| actual = lodashStable.map(operators, _.words); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not treat punctuation as words', function(assert) { |
| assert.expect(1); |
| |
| var marks = [ |
| '\u2012', '\u2013', '\u2014', '\u2015', |
| '\u2024', '\u2025', '\u2026', |
| '\u205d', '\u205e' |
| ]; |
| |
| var expected = lodashStable.map(marks, alwaysEmptyArray), |
| actual = lodashStable.map(marks, _.words); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should support a `pattern` argument', function(assert) { |
| assert.expect(2); |
| |
| assert.deepEqual(_.words('abcd', /ab|cd/g), ['ab', 'cd']); |
| assert.deepEqual(_.words('abcd', 'ab|cd'), ['ab']); |
| }); |
| |
| QUnit.test('should work with compound words', function(assert) { |
| assert.expect(12); |
| |
| assert.deepEqual(_.words('12Feet'), ['12', 'Feet']); |
| assert.deepEqual(_.words('aeiouAreVowels'), ['aeiou', 'Are', 'Vowels']); |
| assert.deepEqual(_.words('enable 6h format'), ['enable', '6', 'h', 'format']); |
| assert.deepEqual(_.words('enable 24H format'), ['enable', '24', 'H', 'format']); |
| assert.deepEqual(_.words('isISO8601'), ['is', 'ISO', '8601']); |
| assert.deepEqual(_.words('LETTERSAeiouAreVowels'), ['LETTERS', 'Aeiou', 'Are', 'Vowels']); |
| assert.deepEqual(_.words('tooLegit2Quit'), ['too', 'Legit', '2', 'Quit']); |
| assert.deepEqual(_.words('walk500Miles'), ['walk', '500', 'Miles']); |
| assert.deepEqual(_.words('xhr2Request'), ['xhr', '2', 'Request']); |
| assert.deepEqual(_.words('XMLHttp'), ['XML', 'Http']); |
| assert.deepEqual(_.words('XmlHTTP'), ['Xml', 'HTTP']); |
| assert.deepEqual(_.words('XmlHttp'), ['Xml', 'Http']); |
| }); |
| |
| QUnit.test('should work with compound words containing diacritical marks', function(assert) { |
| assert.expect(3); |
| |
| assert.deepEqual(_.words('LETTERSÆiouAreVowels'), ['LETTERS', 'Æiou', 'Are', 'Vowels']); |
| assert.deepEqual(_.words('æiouAreVowels'), ['æiou', 'Are', 'Vowels']); |
| assert.deepEqual(_.words('æiou2Consonants'), ['æiou', '2', 'Consonants']); |
| }); |
| |
| QUnit.test('should work with contractions', function(assert) { |
| assert.expect(2); |
| |
| var postfixes = ['d', 'll', 'm', 're', 's', 't', 've']; |
| |
| lodashStable.each(["'", '\u2019'], function(apos) { |
| var actual = lodashStable.map(postfixes, function(postfix) { |
| return _.words('a b' + apos + postfix + ' c'); |
| }); |
| |
| var expected = lodashStable.map(postfixes, function(postfix) { |
| return ['a', 'b' + apos + postfix, 'c']; |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| |
| QUnit.test('should work as an iteratee for methods like `_.map`', function(assert) { |
| assert.expect(1); |
| |
| var strings = lodashStable.map(['a', 'b', 'c'], Object), |
| actual = lodashStable.map(strings, _.words); |
| |
| assert.deepEqual(actual, [['a'], ['b'], ['c']]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.wrap'); |
| |
| (function() { |
| QUnit.test('should create a wrapped function', function(assert) { |
| assert.expect(1); |
| |
| var p = _.wrap(_.escape, function(func, text) { |
| return '<p>' + func(text) + '</p>'; |
| }); |
| |
| assert.strictEqual(p('fred, barney, & pebbles'), '<p>fred, barney, & pebbles</p>'); |
| }); |
| |
| QUnit.test('should provide the correct `wrapper` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| var wrapped = _.wrap(noop, function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| wrapped(1, 2, 3); |
| assert.deepEqual(args, [noop, 1, 2, 3]); |
| }); |
| |
| QUnit.test('should use `_.identity` when `wrapper` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined], |
| expected = lodashStable.map(values, alwaysA); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| var wrapped = index ? _.wrap('a', value) : _.wrap('a'); |
| return wrapped('b', 'c'); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(1); |
| |
| var p = _.wrap(_.escape, function(func) { |
| return '<p>' + func(this.text) + '</p>'; |
| }); |
| |
| var object = { 'p': p, 'text': 'fred, barney, & pebbles' }; |
| assert.strictEqual(object.p(), '<p>fred, barney, & pebbles</p>'); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('xor methods'); |
| |
| lodashStable.each(['xor', 'xorBy', 'xorWith'], function(methodName) { |
| var args = (function() { return arguments; }(1, 2, 3)), |
| func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return the symmetric difference of the given arrays', function(assert) { |
| assert.expect(1); |
| |
| var actual = func([1, 2, 5], [2, 3, 5], [3, 4, 5]); |
| assert.deepEqual(actual, [1, 4, 5]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return an array of unique values', function(assert) { |
| assert.expect(2); |
| |
| var actual = func([1, 1, 2, 5], [2, 2, 3, 5], [3, 4, 5, 5]); |
| assert.deepEqual(actual, [1, 4, 5]); |
| |
| actual = func([1, 1]); |
| assert.deepEqual(actual, [1]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a new array when a single array is given', function(assert) { |
| assert.expect(1); |
| |
| var array = [1]; |
| assert.notStrictEqual(func(array), array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore individual secondary arguments', function(assert) { |
| assert.expect(1); |
| |
| var array = [0]; |
| assert.deepEqual(func(array, 3, null, { '0': 1 }), array); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) { |
| assert.expect(3); |
| |
| var array = [1, 2]; |
| assert.deepEqual(func(array, 3, { '0': 1 }, null), array); |
| assert.deepEqual(func(null, array, null, [2, 3]), [1, 3]); |
| assert.deepEqual(func(array, null, args, null), [3]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should return a wrapped value when chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _([1, 2, 3])[methodName]([5, 2, 1, 4]); |
| assert.ok(wrapped instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work when in a lazy sequence before `head` or `last`', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE + 1), |
| wrapped = _(array).slice(1)[methodName]([LARGE_ARRAY_SIZE, LARGE_ARRAY_SIZE + 1]); |
| |
| var actual = lodashStable.map(['head', 'last'], function(methodName) { |
| return wrapped[methodName](); |
| }); |
| |
| assert.deepEqual(actual, [1, LARGE_ARRAY_SIZE + 1]); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.xorBy'); |
| |
| (function() { |
| QUnit.test('should accept an `iteratee` argument', function(assert) { |
| assert.expect(2); |
| |
| var actual = _.xorBy([2.1, 1.2], [4.3, 2.4], Math.floor); |
| assert.deepEqual(actual, [1.2, 4.3]); |
| |
| actual = _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x'); |
| assert.deepEqual(actual, [{ 'x': 2 }]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.xorBy([2.1, 1.2], [4.3, 2.4], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [4.3]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.xorWith'); |
| |
| (function() { |
| QUnit.test('should work with a `comparator` argument', function(assert) { |
| assert.expect(1); |
| |
| var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }], |
| others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }], |
| actual = _.xorWith(objects, others, lodashStable.isEqual); |
| |
| assert.deepEqual(actual, [objects[1], others[0]]); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('zipObject methods'); |
| |
| lodashStable.each(['zipObject', 'zipObjectDeep'], function(methodName) { |
| var func = _[methodName], |
| object = { 'barney': 36, 'fred': 40 }, |
| isDeep = methodName == 'zipObjectDeep'; |
| |
| QUnit.test('`_.' + methodName + '` should zip together key/value arrays into an object', function(assert) { |
| assert.expect(1); |
| |
| var actual = func(['barney', 'fred'], [36, 40]); |
| assert.deepEqual(actual, object); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore extra `values`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(['a'], [1, 2]), { 'a': 1 }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should assign `undefined` values for extra `keys`', function(assert) { |
| assert.expect(1); |
| |
| assert.deepEqual(func(['a', 'b'], [1]), { 'a': 1, 'b': undefined }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ' + (isDeep ? '' : 'not ') + 'support deep paths', function(assert) { |
| assert.expect(2); |
| |
| lodashStable.each(['a.b.c', ['a', 'b', 'c']], function(path, index) { |
| var expected = isDeep ? ({ 'a': { 'b': { 'c': 1 } } }) : (index ? { 'a,b,c': 1 } : { 'a.b.c': 1 }); |
| assert.deepEqual(func([path], [1]), expected); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work in a lazy sequence', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var values = lodashStable.range(LARGE_ARRAY_SIZE), |
| props = lodashStable.map(values, function(value) { return 'key' + value; }), |
| actual = _(props)[methodName](values).map(square).filter(isEven).take().value(); |
| |
| assert.deepEqual(actual, _.take(_.filter(_.map(func(props, values), square), isEven))); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.zipWith'); |
| |
| (function() { |
| QUnit.test('should zip arrays combining grouped elements with `iteratee`', function(assert) { |
| assert.expect(2); |
| |
| var array1 = [1, 2, 3], |
| array2 = [4, 5, 6], |
| array3 = [7, 8, 9]; |
| |
| var actual = _.zipWith(array1, array2, array3, function(a, b, c) { |
| return a + b + c; |
| }); |
| |
| assert.deepEqual(actual, [12, 15, 18]); |
| |
| var actual = _.zipWith(array1, [], function(a, b) { |
| return a + (b || 0); |
| }); |
| |
| assert.deepEqual(actual, [1, 2, 3]); |
| }); |
| |
| QUnit.test('should provide the correct `iteratee` arguments', function(assert) { |
| assert.expect(1); |
| |
| var args; |
| |
| _.zipWith([1, 2], [3, 4], [5, 6], function() { |
| args || (args = slice.call(arguments)); |
| }); |
| |
| assert.deepEqual(args, [1, 3, 5]); |
| }); |
| |
| QUnit.test('should perform a basic zip when `iteratee` is nullish', function(assert) { |
| assert.expect(1); |
| |
| var array1 = [1, 2], |
| array2 = [3, 4], |
| values = [, null, undefined], |
| expected = lodashStable.map(values, lodashStable.constant(_.zip(array1, array2))); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? _.zipWith(array1, array2, value) : _.zipWith(array1, array2); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash.unzip and lodash.zip'); |
| |
| lodashStable.each(['unzip', 'zip'], function(methodName, index) { |
| var func = _[methodName]; |
| func = lodashStable.bind(index ? func.apply : func.call, func, null); |
| |
| var object = { |
| 'an empty array': [ |
| [], |
| [] |
| ], |
| '0-tuples': [ |
| [[], []], |
| [] |
| ], |
| '2-tuples': [ |
| [['barney', 'fred'], [36, 40]], |
| [['barney', 36], ['fred', 40]] |
| ], |
| '3-tuples': [ |
| [['barney', 'fred'], [36, 40], [false, true]], |
| [['barney', 36, false], ['fred', 40, true]] |
| ] |
| }; |
| |
| lodashStable.forOwn(object, function(pair, key) { |
| QUnit.test('`_.' + methodName + '` should work with ' + key, function(assert) { |
| assert.expect(2); |
| |
| var actual = func(pair[0]); |
| assert.deepEqual(actual, pair[1]); |
| assert.deepEqual(func(actual), actual.length ? pair[0] : []); |
| }); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should work with tuples of different lengths', function(assert) { |
| assert.expect(4); |
| |
| var pair = [ |
| [['barney', 36], ['fred', 40, false]], |
| [['barney', 'fred'], [36, 40], [undefined, false]] |
| ]; |
| |
| var actual = func(pair[0]); |
| assert.ok('0' in actual[2]); |
| assert.deepEqual(actual, pair[1]); |
| |
| actual = func(actual); |
| assert.ok('2' in actual[0]); |
| assert.deepEqual(actual, [['barney', 36, undefined], ['fred', 40, false]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should treat falsey values as empty arrays', function(assert) { |
| assert.expect(1); |
| |
| var expected = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| var actual = lodashStable.map(falsey, function(value) { |
| return func([value, value, value]); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should ignore values that are not arrays or `arguments` objects', function(assert) { |
| assert.expect(1); |
| |
| var array = [[1, 2], [3, 4], null, undefined, { '0': 1 }]; |
| assert.deepEqual(func(array), [[1, 3], [2, 4]]); |
| }); |
| |
| QUnit.test('`_.' + methodName + '` should support consuming its return value', function(assert) { |
| assert.expect(1); |
| |
| var expected = [['barney', 'fred'], [36, 40]]; |
| assert.deepEqual(func(func(func(func(expected)))), expected); |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).commit'); |
| |
| (function() { |
| QUnit.test('should execute the chained sequence and returns the wrapped result', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = [1], |
| wrapped = _(array).push(2).push(3); |
| |
| assert.deepEqual(array, [1]); |
| |
| var otherWrapper = wrapped.commit(); |
| assert.ok(otherWrapper instanceof _); |
| assert.deepEqual(otherWrapper.value(), [1, 2, 3]); |
| assert.deepEqual(wrapped.value(), [1, 2, 3, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should track the `__chain__` value of a wrapper', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var wrapped = _([1]).chain().commit().head(); |
| assert.ok(wrapped instanceof _); |
| assert.strictEqual(wrapped.value(), 1); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).next'); |
| |
| lodashStable.each([false, true], function(implict) { |
| function chain(value) { |
| return implict ? _(value) : _.chain(value); |
| } |
| |
| var chainType = 'in an ' + (implict ? 'implict' : 'explict') + ' chain'; |
| |
| QUnit.test('should follow the iterator protocol ' + chainType, function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm) { |
| var wrapped = chain([1, 2]); |
| |
| assert.deepEqual(wrapped.next(), { 'done': false, 'value': 1 }); |
| assert.deepEqual(wrapped.next(), { 'done': false, 'value': 2 }); |
| assert.deepEqual(wrapped.next(), { 'done': true, 'value': undefined }); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should act as an iterable ' + chainType, function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm && Symbol && Symbol.iterator) { |
| var array = [1, 2], |
| wrapped = chain(array); |
| |
| assert.strictEqual(wrapped[Symbol.iterator](), wrapped); |
| assert.deepEqual(_.toArray(wrapped), array); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should use `_.toArray` to generate the iterable result ' + chainType, function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm && Array.from) { |
| var hearts = '\ud83d\udc95', |
| values = [[1], { 'a': 1 }, hearts]; |
| |
| lodashStable.each(values, function(value) { |
| var wrapped = chain(value); |
| assert.deepEqual(Array.from(wrapped), _.toArray(value)); |
| }); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| |
| QUnit.test('should reset the iterator correctly ' + chainType, function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm && Symbol && Symbol.iterator) { |
| var array = [1, 2], |
| wrapped = chain(array); |
| |
| assert.deepEqual(_.toArray(wrapped), array); |
| assert.deepEqual(_.toArray(wrapped), [], 'produces an empty array for exhausted iterator'); |
| |
| var other = wrapped.filter(); |
| assert.deepEqual(_.toArray(other), array, 'reset for new chain segments'); |
| assert.deepEqual(_.toArray(wrapped), [], 'iterator is still exhausted'); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should work in a lazy sequence ' + chainType, function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm && Symbol && Symbol.iterator) { |
| var array = lodashStable.range(LARGE_ARRAY_SIZE), |
| predicate = function(value) { values.push(value); return isEven(value); }, |
| values = [], |
| wrapped = chain(array); |
| |
| assert.deepEqual(_.toArray(wrapped), array); |
| |
| wrapped = wrapped.filter(predicate); |
| assert.deepEqual(_.toArray(wrapped), _.filter(array, isEven), 'reset for new lazy chain segments'); |
| assert.deepEqual(values, array, 'memoizes iterator values'); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).plant'); |
| |
| (function() { |
| QUnit.test('should clone the chained sequence planting `value` as the wrapped value', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array1 = [5, null, 3, null, 1], |
| array2 = [10, null, 8, null, 6], |
| wrapped1 = _(array1).thru(_.compact).map(square).takeRight(2).sort(), |
| wrapped2 = wrapped1.plant(array2); |
| |
| assert.deepEqual(wrapped2.value(), [36, 64]); |
| assert.deepEqual(wrapped1.value(), [1, 9]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should clone `chainAll` settings', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var array1 = [2, 4], |
| array2 = [6, 8], |
| wrapped1 = _(array1).chain().map(square), |
| wrapped2 = wrapped1.plant(array2); |
| |
| assert.deepEqual(wrapped2.head().value(), 36); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should reset iterator data on cloned sequences', function(assert) { |
| assert.expect(3); |
| |
| if (!isNpm && Symbol && Symbol.iterator) { |
| var array1 = [2, 4], |
| array2 = [6, 8], |
| wrapped1 = _(array1).map(square); |
| |
| assert.deepEqual(_.toArray(wrapped1), [4, 16]); |
| assert.deepEqual(_.toArray(wrapped1), []); |
| |
| var wrapped2 = wrapped1.plant(array2); |
| assert.deepEqual(_.toArray(wrapped2), [36, 64]); |
| } |
| else { |
| skipAssert(assert, 3); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).pop'); |
| |
| (function() { |
| QUnit.test('should remove elements from the end of `array`', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var array = [1, 2], |
| wrapped = _(array); |
| |
| assert.strictEqual(wrapped.pop(), 2); |
| assert.deepEqual(wrapped.value(), [1]); |
| assert.strictEqual(wrapped.pop(), 1); |
| |
| var actual = wrapped.value(); |
| assert.deepEqual(actual, []); |
| assert.strictEqual(actual, array); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).pop() : _().pop(); |
| return result === undefined; |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).push'); |
| |
| (function() { |
| QUnit.test('should append elements to `array`', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = [1], |
| wrapped = _(array).push(2, 3), |
| actual = wrapped.value(); |
| |
| assert.strictEqual(actual, array); |
| assert.deepEqual(actual, [1, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).push(1).value() : _().push(1).value(); |
| return lodashStable.eq(result, value); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).shift'); |
| |
| (function() { |
| QUnit.test('should remove elements from the front of `array`', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var array = [1, 2], |
| wrapped = _(array); |
| |
| assert.strictEqual(wrapped.shift(), 1); |
| assert.deepEqual(wrapped.value(), [2]); |
| assert.strictEqual(wrapped.shift(), 2); |
| |
| var actual = wrapped.value(); |
| assert.deepEqual(actual, []); |
| assert.strictEqual(actual, array); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).shift() : _().shift(); |
| return result === undefined; |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).sort'); |
| |
| (function() { |
| QUnit.test('should return the wrapped sorted `array`', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = [3, 1, 2], |
| wrapped = _(array).sort(), |
| actual = wrapped.value(); |
| |
| assert.strictEqual(actual, array); |
| assert.deepEqual(actual, [1, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).sort().value() : _().sort().value(); |
| return lodashStable.eq(result, value); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).splice'); |
| |
| (function() { |
| QUnit.test('should support removing and inserting elements', function(assert) { |
| assert.expect(5); |
| |
| if (!isNpm) { |
| var array = [1, 2], |
| wrapped = _(array); |
| |
| assert.deepEqual(wrapped.splice(1, 1, 3).value(), [2]); |
| assert.deepEqual(wrapped.value(), [1, 3]); |
| assert.deepEqual(wrapped.splice(0, 2).value(), [1, 3]); |
| |
| var actual = wrapped.value(); |
| assert.deepEqual(actual, []); |
| assert.strictEqual(actual, array); |
| } |
| else { |
| skipAssert(assert, 5); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).splice(0, 1).value() : _().splice(0, 1).value(); |
| return lodashStable.isEqual(result, []); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).unshift'); |
| |
| (function() { |
| QUnit.test('should prepend elements to `array`', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = [3], |
| wrapped = _(array).unshift(1, 2), |
| actual = wrapped.value(); |
| |
| assert.strictEqual(actual, array); |
| assert.deepEqual(actual, [1, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var expected = lodashStable.map(falsey, alwaysTrue); |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| var result = index ? _(value).unshift(1).value() : _().unshift(1).value(); |
| return lodashStable.eq(result, value); |
| } catch (e) {} |
| }); |
| |
| assert.deepEqual(actual, expected); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...).value'); |
| |
| (function() { |
| QUnit.test('should execute the chained sequence and extract the unwrapped value', function(assert) { |
| assert.expect(4); |
| |
| if (!isNpm) { |
| var array = [1], |
| wrapped = _(array).push(2).push(3); |
| |
| assert.deepEqual(array, [1]); |
| assert.deepEqual(wrapped.value(), [1, 2, 3]); |
| assert.deepEqual(wrapped.value(), [1, 2, 3, 2, 3]); |
| assert.deepEqual(array, [1, 2, 3, 2, 3]); |
| } |
| else { |
| skipAssert(assert, 4); |
| } |
| }); |
| |
| QUnit.test('should return the `valueOf` result of the wrapped value', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var wrapped = _(123); |
| assert.strictEqual(Number(wrapped), 123); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should stringify the wrapped value when used by `JSON.stringify`', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm && JSON) { |
| var wrapped = _([1, 2, 3]); |
| assert.strictEqual(JSON.stringify(wrapped), '[1,2,3]'); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('should be aliased', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var expected = _.prototype.value; |
| assert.strictEqual(_.prototype.toJSON, expected); |
| assert.strictEqual(_.prototype.valueOf, expected); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...) methods that return the wrapped modified array'); |
| |
| (function() { |
| var funcs = [ |
| 'push', |
| 'reverse', |
| 'sort', |
| 'unshift' |
| ]; |
| |
| lodashStable.each(funcs, function(methodName) { |
| QUnit.test('`_(...).' + methodName + '` should return a new wrapper', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var array = [1, 2, 3], |
| wrapped = _(array), |
| actual = wrapped[methodName](); |
| |
| assert.ok(actual instanceof _); |
| assert.notStrictEqual(actual, wrapped); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...) methods that return new wrapped values'); |
| |
| (function() { |
| var funcs = [ |
| 'castArray', |
| 'concat', |
| 'difference', |
| 'differenceBy', |
| 'differenceWith', |
| 'intersection', |
| 'intersectionBy', |
| 'intersectionWith', |
| 'pull', |
| 'pullAll', |
| 'pullAt', |
| 'sampleSize', |
| 'shuffle', |
| 'slice', |
| 'splice', |
| 'split', |
| 'toArray', |
| 'union', |
| 'unionBy', |
| 'unionWith', |
| 'uniq', |
| 'uniqBy', |
| 'uniqWith', |
| 'words', |
| 'xor', |
| 'xorBy', |
| 'xorWith' |
| ]; |
| |
| lodashStable.each(funcs, function(methodName) { |
| QUnit.test('`_(...).' + methodName + '` should return a new wrapped value', function(assert) { |
| assert.expect(2); |
| |
| if (!isNpm) { |
| var value = methodName == 'split' ? 'abc' : [1, 2, 3], |
| wrapped = _(value), |
| actual = wrapped[methodName](); |
| |
| assert.ok(actual instanceof _); |
| assert.notStrictEqual(actual, wrapped); |
| } |
| else { |
| skipAssert(assert, 2); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash(...) methods that return unwrapped values'); |
| |
| (function() { |
| var funcs = [ |
| 'add', |
| 'camelCase', |
| 'capitalize', |
| 'ceil', |
| 'clone', |
| 'deburr', |
| 'divide', |
| 'endsWith', |
| 'escape', |
| 'escapeRegExp', |
| 'every', |
| 'find', |
| 'floor', |
| 'has', |
| 'hasIn', |
| 'head', |
| 'includes', |
| 'isArguments', |
| 'isArray', |
| 'isArrayBuffer', |
| 'isArrayLike', |
| 'isBoolean', |
| 'isBuffer', |
| 'isDate', |
| 'isElement', |
| 'isEmpty', |
| 'isEqual', |
| 'isError', |
| 'isFinite', |
| 'isFunction', |
| 'isInteger', |
| 'isMap', |
| 'isNaN', |
| 'isNative', |
| 'isNil', |
| 'isNull', |
| 'isNumber', |
| 'isObject', |
| 'isObjectLike', |
| 'isPlainObject', |
| 'isRegExp', |
| 'isSafeInteger', |
| 'isSet', |
| 'isString', |
| 'isUndefined', |
| 'isWeakMap', |
| 'isWeakSet', |
| 'join', |
| 'kebabCase', |
| 'last', |
| 'lowerCase', |
| 'lowerFirst', |
| 'max', |
| 'maxBy', |
| 'min', |
| 'minBy', |
| 'multiply', |
| 'nth', |
| 'pad', |
| 'padEnd', |
| 'padStart', |
| 'parseInt', |
| 'pop', |
| 'random', |
| 'reduce', |
| 'reduceRight', |
| 'repeat', |
| 'replace', |
| 'round', |
| 'sample', |
| 'shift', |
| 'size', |
| 'snakeCase', |
| 'some', |
| 'startCase', |
| 'startsWith', |
| 'subtract', |
| 'sum', |
| 'toInteger', |
| 'toLower', |
| 'toNumber', |
| 'toSafeInteger', |
| 'toString', |
| 'toUpper', |
| 'trim', |
| 'trimEnd', |
| 'trimStart', |
| 'truncate', |
| 'unescape', |
| 'upperCase', |
| 'upperFirst' |
| ]; |
| |
| lodashStable.each(funcs, function(methodName) { |
| QUnit.test('`_(...).' + methodName + '` should return an unwrapped value when implicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _()[methodName](); |
| assert.notOk(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| |
| QUnit.test('`_(...).' + methodName + '` should return a wrapped value when explicitly chaining', function(assert) { |
| assert.expect(1); |
| |
| if (!isNpm) { |
| var actual = _().chain()[methodName](); |
| assert.ok(actual instanceof _); |
| } |
| else { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('"Arrays" category methods'); |
| |
| (function() { |
| var args = (function() { return arguments; }(1, null, [3], null, 5)), |
| sortedArgs = (function() { return arguments; }(1, [3], 5, null, null)), |
| array = [1, 2, 3, 4, 5, 6]; |
| |
| QUnit.test('should work with `arguments` objects', function(assert) { |
| assert.expect(30); |
| |
| function message(methodName) { |
| return '`_.' + methodName + '` should work with `arguments` objects'; |
| } |
| |
| assert.deepEqual(_.difference(args, [null]), [1, [3], 5], message('difference')); |
| assert.deepEqual(_.difference(array, args), [2, 3, 4, 6], '_.difference should work with `arguments` objects as secondary arguments'); |
| |
| assert.deepEqual(_.union(args, [null, 6]), [1, null, [3], 5, 6], message('union')); |
| assert.deepEqual(_.union(array, args), array.concat([null, [3]]), '_.union should work with `arguments` objects as secondary arguments'); |
| |
| assert.deepEqual(_.compact(args), [1, [3], 5], message('compact')); |
| assert.deepEqual(_.drop(args, 3), [null, 5], message('drop')); |
| assert.deepEqual(_.dropRight(args, 3), [1, null], message('dropRight')); |
| assert.deepEqual(_.dropRightWhile(args,identity), [1, null, [3], null], message('dropRightWhile')); |
| assert.deepEqual(_.dropWhile(args,identity), [null, [3], null, 5], message('dropWhile')); |
| assert.deepEqual(_.findIndex(args, identity), 0, message('findIndex')); |
| assert.deepEqual(_.findLastIndex(args, identity), 4, message('findLastIndex')); |
| assert.deepEqual(_.flatten(args), [1, null, 3, null, 5], message('flatten')); |
| assert.deepEqual(_.head(args), 1, message('head')); |
| assert.deepEqual(_.indexOf(args, 5), 4, message('indexOf')); |
| assert.deepEqual(_.initial(args), [1, null, [3], null], message('initial')); |
| assert.deepEqual(_.intersection(args, [1]), [1], message('intersection')); |
| assert.deepEqual(_.last(args), 5, message('last')); |
| assert.deepEqual(_.lastIndexOf(args, 1), 0, message('lastIndexOf')); |
| assert.deepEqual(_.sortedIndex(sortedArgs, 6), 3, message('sortedIndex')); |
| assert.deepEqual(_.sortedIndexOf(sortedArgs, 5), 2, message('sortedIndexOf')); |
| assert.deepEqual(_.sortedLastIndex(sortedArgs, 5), 3, message('sortedLastIndex')); |
| assert.deepEqual(_.sortedLastIndexOf(sortedArgs, 1), 0, message('sortedLastIndexOf')); |
| assert.deepEqual(_.tail(args, 4), [null, [3], null, 5], message('tail')); |
| assert.deepEqual(_.take(args, 2), [1, null], message('take')); |
| assert.deepEqual(_.takeRight(args, 1), [5], message('takeRight')); |
| assert.deepEqual(_.takeRightWhile(args, identity), [5], message('takeRightWhile')); |
| assert.deepEqual(_.takeWhile(args, identity), [1], message('takeWhile')); |
| assert.deepEqual(_.uniq(args), [1, null, [3], 5], message('uniq')); |
| assert.deepEqual(_.without(args, null), [1, [3], 5], message('without')); |
| assert.deepEqual(_.zip(args, args), [[1, 1], [null, null], [[3], [3]], [null, null], [5, 5]], message('zip')); |
| }); |
| |
| QUnit.test('should accept falsey primary arguments', function(assert) { |
| assert.expect(4); |
| |
| function message(methodName) { |
| return '`_.' + methodName + '` should accept falsey primary arguments'; |
| } |
| |
| assert.deepEqual(_.difference(null, array), [], message('difference')); |
| assert.deepEqual(_.intersection(null, array), [], message('intersection')); |
| assert.deepEqual(_.union(null, array), array, message('union')); |
| assert.deepEqual(_.xor(null, array), array, message('xor')); |
| }); |
| |
| QUnit.test('should accept falsey secondary arguments', function(assert) { |
| assert.expect(3); |
| |
| function message(methodName) { |
| return '`_.' + methodName + '` should accept falsey secondary arguments'; |
| } |
| |
| assert.deepEqual(_.difference(array, null), array, message('difference')); |
| assert.deepEqual(_.intersection(array, null), [], message('intersection')); |
| assert.deepEqual(_.union(array, null), array, message('union')); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('"Strings" category methods'); |
| |
| (function() { |
| var stringMethods = [ |
| 'camelCase', |
| 'capitalize', |
| 'escape', |
| 'kebabCase', |
| 'lowerCase', |
| 'lowerFirst', |
| 'pad', |
| 'padEnd', |
| 'padStart', |
| 'repeat', |
| 'snakeCase', |
| 'toLower', |
| 'toUpper', |
| 'trim', |
| 'trimEnd', |
| 'trimStart', |
| 'truncate', |
| 'unescape', |
| 'upperCase', |
| 'upperFirst' |
| ]; |
| |
| lodashStable.each(stringMethods, function(methodName) { |
| var func = _[methodName]; |
| |
| QUnit.test('`_.' + methodName + '` should return an empty string for empty values', function(assert) { |
| assert.expect(1); |
| |
| var values = [, null, undefined, ''], |
| expected = lodashStable.map(values, alwaysEmptyString); |
| |
| var actual = lodashStable.map(values, function(value, index) { |
| return index ? func(value) : func(); |
| }); |
| |
| assert.deepEqual(actual, expected); |
| }); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.module('lodash methods'); |
| |
| (function() { |
| var allMethods = lodashStable.reject(_.functions(_).sort(), function(methodName) { |
| return lodashStable.startsWith(methodName, '_'); |
| }); |
| |
| var checkFuncs = [ |
| 'after', |
| 'ary', |
| 'before', |
| 'bind', |
| 'curry', |
| 'curryRight', |
| 'debounce', |
| 'defer', |
| 'delay', |
| 'flip', |
| 'flow', |
| 'flowRight', |
| 'memoize', |
| 'negate', |
| 'once', |
| 'partial', |
| 'partialRight', |
| 'rearg', |
| 'rest', |
| 'spread', |
| 'throttle', |
| 'unary' |
| ]; |
| |
| var noBinding = [ |
| 'flip', |
| 'memoize', |
| 'negate', |
| 'once', |
| 'overArgs', |
| 'partial', |
| 'partialRight', |
| 'rearg', |
| 'rest', |
| 'spread' |
| ]; |
| |
| var rejectFalsey = [ |
| 'tap', |
| 'thru' |
| ].concat(checkFuncs); |
| |
| var returnArrays = [ |
| 'at', |
| 'chunk', |
| 'compact', |
| 'difference', |
| 'drop', |
| 'filter', |
| 'flatten', |
| 'functions', |
| 'initial', |
| 'intersection', |
| 'invokeMap', |
| 'keys', |
| 'map', |
| 'orderBy', |
| 'pull', |
| 'pullAll', |
| 'pullAt', |
| 'range', |
| 'rangeRight', |
| 'reject', |
| 'remove', |
| 'shuffle', |
| 'sortBy', |
| 'tail', |
| 'take', |
| 'times', |
| 'toArray', |
| 'toPairs', |
| 'toPairsIn', |
| 'union', |
| 'uniq', |
| 'values', |
| 'without', |
| 'xor', |
| 'zip' |
| ]; |
| |
| var acceptFalsey = lodashStable.difference(allMethods, rejectFalsey); |
| |
| QUnit.test('should accept falsey arguments', function(assert) { |
| assert.expect(308); |
| |
| var emptyArrays = lodashStable.map(falsey, alwaysEmptyArray); |
| |
| lodashStable.each(acceptFalsey, function(methodName) { |
| var expected = emptyArrays, |
| func = _[methodName], |
| pass = true; |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| try { |
| return index ? func(value) : func(); |
| } catch (e) { |
| pass = false; |
| } |
| }); |
| |
| if (methodName == 'noConflict') { |
| root._ = oldDash; |
| } |
| else if (methodName == 'pull' || methodName == 'pullAll') { |
| expected = falsey; |
| } |
| if (lodashStable.includes(returnArrays, methodName) && methodName != 'sample') { |
| assert.deepEqual(actual, expected, '_.' + methodName + ' returns an array'); |
| } |
| assert.ok(pass, '`_.' + methodName + '` accepts falsey arguments'); |
| }); |
| |
| // Skip tests for missing methods of modularized builds. |
| lodashStable.each(['chain', 'noConflict', 'runInContext'], function(methodName) { |
| if (!_[methodName]) { |
| skipAssert(assert); |
| } |
| }); |
| }); |
| |
| QUnit.test('should return an array', function(assert) { |
| assert.expect(70); |
| |
| var array = [1, 2, 3]; |
| |
| lodashStable.each(returnArrays, function(methodName) { |
| var actual, |
| func = _[methodName]; |
| |
| switch (methodName) { |
| case 'invokeMap': |
| actual = func(array, 'toFixed'); |
| break; |
| case 'sample': |
| actual = func(array, 1); |
| break; |
| default: |
| actual = func(array); |
| } |
| assert.ok(lodashStable.isArray(actual), '_.' + methodName + ' returns an array'); |
| |
| var isPull = methodName == 'pull' || methodName == 'pullAll'; |
| assert.strictEqual(actual === array, isPull, '_.' + methodName + ' should ' + (isPull ? '' : 'not ') + 'return the given array'); |
| }); |
| }); |
| |
| QUnit.test('should throw an error for falsey arguments', function(assert) { |
| assert.expect(24); |
| |
| lodashStable.each(rejectFalsey, function(methodName) { |
| var expected = lodashStable.map(falsey, alwaysTrue), |
| func = _[methodName]; |
| |
| var actual = lodashStable.map(falsey, function(value, index) { |
| var pass = !index && /^(?:backflow|compose|cond|flow(Right)?|over(?:Every|Some)?)$/.test(methodName); |
| |
| try { |
| index ? func(value) : func(); |
| } catch (e) { |
| pass = !pass && (e instanceof TypeError) && |
| (!lodashStable.includes(checkFuncs, methodName) || (e.message == FUNC_ERROR_TEXT)); |
| } |
| return pass; |
| }); |
| |
| assert.deepEqual(actual, expected, '`_.' + methodName + '` rejects falsey arguments'); |
| }); |
| }); |
| |
| QUnit.test('should not set a `this` binding', function(assert) { |
| assert.expect(30); |
| |
| lodashStable.each(noBinding, function(methodName) { |
| var fn = function() { return this.a; }, |
| func = _[methodName], |
| isNegate = methodName == 'negate', |
| object = { 'a': 1 }, |
| expected = isNegate ? false : 1; |
| |
| var wrapper = func(_.bind(fn, object)); |
| assert.strictEqual(wrapper(), expected, '`_.' + methodName + '` can consume a bound function'); |
| |
| wrapper = _.bind(func(fn), object); |
| assert.strictEqual(wrapper(), expected, '`_.' + methodName + '` can be bound'); |
| |
| object.wrapper = func(fn); |
| assert.strictEqual(object.wrapper(), expected, '`_.' + methodName + '` uses the `this` of its parent object'); |
| }); |
| }); |
| |
| QUnit.test('should not contain minified method names (test production builds)', function(assert) { |
| assert.expect(1); |
| |
| var shortNames = ['_', 'at', 'eq', 'gt', 'lt']; |
| assert.ok(lodashStable.every(_.functions(_), function(methodName) { |
| return methodName.length > 2 || lodashStable.includes(shortNames, methodName); |
| })); |
| }); |
| }()); |
| |
| /*--------------------------------------------------------------------------*/ |
| |
| QUnit.config.asyncRetries = 10; |
| QUnit.config.hidepassed = true; |
| |
| if (!document) { |
| QUnit.config.noglobals = true; |
| QUnit.load(); |
| } |
| }.call(this)); |