[VOL-2235] Mocks and interfaces for rw-core
This update consists of mocks that are used by the rw-core
during unit testing. It also includes interfaces used for unit
tests.
Change-Id: I20ca1455c358113c3aa897acc6355e0ddbc614b7
diff --git a/vendor/github.com/json-iterator/go/stream_float.go b/vendor/github.com/json-iterator/go/stream_float.go
new file mode 100644
index 0000000..826aa59
--- /dev/null
+++ b/vendor/github.com/json-iterator/go/stream_float.go
@@ -0,0 +1,111 @@
+package jsoniter
+
+import (
+ "fmt"
+ "math"
+ "strconv"
+)
+
+var pow10 []uint64
+
+func init() {
+ pow10 = []uint64{1, 10, 100, 1000, 10000, 100000, 1000000}
+}
+
+// WriteFloat32 write float32 to stream
+func (stream *Stream) WriteFloat32(val float32) {
+ if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+ stream.Error = fmt.Errorf("unsupported value: %f", val)
+ return
+ }
+ abs := math.Abs(float64(val))
+ fmt := byte('f')
+ // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
+ if abs != 0 {
+ if float32(abs) < 1e-6 || float32(abs) >= 1e21 {
+ fmt = 'e'
+ }
+ }
+ stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 32)
+}
+
+// WriteFloat32Lossy write float32 to stream with ONLY 6 digits precision although much much faster
+func (stream *Stream) WriteFloat32Lossy(val float32) {
+ if math.IsInf(float64(val), 0) || math.IsNaN(float64(val)) {
+ stream.Error = fmt.Errorf("unsupported value: %f", val)
+ return
+ }
+ if val < 0 {
+ stream.writeByte('-')
+ val = -val
+ }
+ if val > 0x4ffffff {
+ stream.WriteFloat32(val)
+ return
+ }
+ precision := 6
+ exp := uint64(1000000) // 6
+ lval := uint64(float64(val)*float64(exp) + 0.5)
+ stream.WriteUint64(lval / exp)
+ fval := lval % exp
+ if fval == 0 {
+ return
+ }
+ stream.writeByte('.')
+ for p := precision - 1; p > 0 && fval < pow10[p]; p-- {
+ stream.writeByte('0')
+ }
+ stream.WriteUint64(fval)
+ for stream.buf[len(stream.buf)-1] == '0' {
+ stream.buf = stream.buf[:len(stream.buf)-1]
+ }
+}
+
+// WriteFloat64 write float64 to stream
+func (stream *Stream) WriteFloat64(val float64) {
+ if math.IsInf(val, 0) || math.IsNaN(val) {
+ stream.Error = fmt.Errorf("unsupported value: %f", val)
+ return
+ }
+ abs := math.Abs(val)
+ fmt := byte('f')
+ // Note: Must use float32 comparisons for underlying float32 value to get precise cutoffs right.
+ if abs != 0 {
+ if abs < 1e-6 || abs >= 1e21 {
+ fmt = 'e'
+ }
+ }
+ stream.buf = strconv.AppendFloat(stream.buf, float64(val), fmt, -1, 64)
+}
+
+// WriteFloat64Lossy write float64 to stream with ONLY 6 digits precision although much much faster
+func (stream *Stream) WriteFloat64Lossy(val float64) {
+ if math.IsInf(val, 0) || math.IsNaN(val) {
+ stream.Error = fmt.Errorf("unsupported value: %f", val)
+ return
+ }
+ if val < 0 {
+ stream.writeByte('-')
+ val = -val
+ }
+ if val > 0x4ffffff {
+ stream.WriteFloat64(val)
+ return
+ }
+ precision := 6
+ exp := uint64(1000000) // 6
+ lval := uint64(val*float64(exp) + 0.5)
+ stream.WriteUint64(lval / exp)
+ fval := lval % exp
+ if fval == 0 {
+ return
+ }
+ stream.writeByte('.')
+ for p := precision - 1; p > 0 && fval < pow10[p]; p-- {
+ stream.writeByte('0')
+ }
+ stream.WriteUint64(fval)
+ for stream.buf[len(stream.buf)-1] == '0' {
+ stream.buf = stream.buf[:len(stream.buf)-1]
+ }
+}