| /* |
| * Copyright 2019-present Open Networking Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.opencord.bng.packets; |
| |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onlab.packet.Deserializer; |
| import org.onlab.packet.PacketTestUtils; |
| |
| import java.nio.ByteBuffer; |
| |
| import static org.junit.Assert.assertArrayEquals; |
| import static org.junit.Assert.assertEquals; |
| |
| public class GenericPppTest { |
| private Deserializer<GenericPpp> deserializer; |
| |
| private byte code = 0x1; |
| private byte identifier = 0x1; |
| private short length = 0x08; |
| private byte[] payload = new byte[]{0x1, 0x4, 0x3, 0x4}; |
| private byte[] padding = new byte[]{0x0, 0x0, 0x0}; |
| |
| private String packetToString = ""; |
| |
| private byte[] bytes; |
| private byte[] bytesPadded; |
| |
| @Before |
| public void setUp() throws Exception { |
| deserializer = GenericPpp.deserializer(); |
| ByteBuffer bb = ByteBuffer.allocate(Ppp.MIN_HEADER_LENGTH + 4); |
| |
| bb.put(code); |
| bb.put(identifier); |
| bb.putShort(length); |
| bb.put(payload); |
| |
| bytes = bb.array(); |
| |
| ByteBuffer bbPadded = ByteBuffer.allocate(Ppp.MIN_HEADER_LENGTH + 4 + 3); |
| |
| bbPadded.put(code); |
| bbPadded.put(identifier); |
| bbPadded.putShort(length); |
| bbPadded.put(payload); |
| bbPadded.put(padding); |
| |
| bytesPadded = bbPadded.array(); |
| } |
| |
| private short getTypeLength(byte type, short length) { |
| return (short) ((0x7f & type) << 9 | 0x1ff & length); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(deserializer); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| // PacketTestUtils.testDeserializeTruncated(deserializer, bytes); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserialize() throws Exception { |
| GenericPpp ppp = deserializer.deserialize(bytes, 0, bytes.length); |
| |
| assertEquals(code, ppp.getCode()); |
| assertEquals(identifier, ppp.getIdentifier()); |
| assertEquals(length, ppp.getLength()); |
| assertArrayEquals(payload, ppp.getPayload().serialize()); |
| } |
| |
| /** |
| * Tests deserialize with padded packet. |
| */ |
| @Test |
| public void testDeserializePadded() throws Exception { |
| GenericPpp ppp = deserializer.deserialize(bytesPadded, 0, bytesPadded.length); |
| |
| assertEquals(code, ppp.getCode()); |
| assertEquals(identifier, ppp.getIdentifier()); |
| assertEquals(length, ppp.getLength()); |
| assertArrayEquals(payload, ppp.getPayload().serialize()); |
| } |
| |
| } |