Charles M.C. Chan | 93b7fb0 | 2014-12-28 03:59:36 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | |
| 18 | |
| 19 | package org.onlab.packet; |
| 20 | |
| 21 | import org.junit.BeforeClass; |
| 22 | import org.junit.Test; |
| 23 | |
| 24 | import static org.hamcrest.Matchers.is; |
| 25 | import static org.junit.Assert.assertThat; |
| 26 | import static org.junit.Assert.assertArrayEquals; |
| 27 | import static org.junit.Assert.assertTrue; |
| 28 | import static org.junit.Assert.assertFalse; |
| 29 | |
| 30 | /** |
| 31 | * Tests for class {@link IPv6}. |
| 32 | */ |
| 33 | public class IPv6Test { |
| 34 | private static final byte[] SOURCE_ADDRESS = { |
| 35 | (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15, |
| 36 | (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce |
| 37 | }; |
| 38 | private static final byte[] DESTINATION_ADDRESS = { |
| 39 | (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15, |
| 40 | (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8 |
| 41 | }; |
| 42 | private static Data data; |
| 43 | private static UDP udp; |
| 44 | private static byte[] bytePacket; |
| 45 | |
| 46 | @BeforeClass |
| 47 | public static void setUpBeforeClass() throws Exception { |
| 48 | data = new Data(); |
| 49 | data.setData("testSerialize".getBytes()); |
| 50 | udp = new UDP(); |
| 51 | udp.setPayload(data); |
| 52 | |
| 53 | byte[] bytePayload = udp.serialize(); |
| 54 | byte[] byteHeader = { |
| 55 | (byte) 0x69, (byte) 0x31, (byte) 0x35, (byte) 0x79, |
| 56 | (byte) (bytePayload.length >> 8 & 0xff), (byte) (bytePayload.length & 0xff), |
| 57 | (byte) 0x11, (byte) 0x20, |
| 58 | (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15, |
| 59 | (byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce, |
| 60 | (byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15, |
| 61 | (byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8, |
| 62 | }; |
| 63 | bytePacket = new byte[byteHeader.length + bytePayload.length]; |
| 64 | System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length); |
| 65 | System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Tests serialize and setters. |
| 70 | */ |
| 71 | @Test |
| 72 | public void testSerialize() { |
| 73 | IPv6 ipv6 = new IPv6(); |
| 74 | ipv6.setPayload(udp); |
| 75 | ipv6.setVersion((byte) 6); |
Charles M.C. Chan | 7fee36a | 2014-12-31 00:19:59 +0800 | [diff] [blame] | 76 | ipv6.setTrafficClass((byte) 0x93); |
Charles M.C. Chan | 93b7fb0 | 2014-12-28 03:59:36 +0800 | [diff] [blame] | 77 | ipv6.setFlowLabel(0x13579); |
| 78 | ipv6.setNextHeader(IPv6.PROTOCOL_UDP); |
| 79 | ipv6.setHopLimit((byte) 32); |
| 80 | ipv6.setSourceAddress(SOURCE_ADDRESS); |
| 81 | ipv6.setDestinationAddress(DESTINATION_ADDRESS); |
| 82 | |
| 83 | assertArrayEquals(ipv6.serialize(), bytePacket); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Tests deserialize and getters. |
| 88 | */ |
| 89 | @Test |
| 90 | public void testDeserialize() { |
| 91 | IPv6 ipv6 = new IPv6(); |
| 92 | ipv6.deserialize(bytePacket, 0, bytePacket.length); |
| 93 | |
| 94 | assertThat(ipv6.getVersion(), is((byte) 6)); |
Charles M.C. Chan | 7fee36a | 2014-12-31 00:19:59 +0800 | [diff] [blame] | 95 | assertThat(ipv6.getTrafficClass(), is((byte) 0x93)); |
Charles M.C. Chan | 93b7fb0 | 2014-12-28 03:59:36 +0800 | [diff] [blame] | 96 | assertThat(ipv6.getFlowLabel(), is(0x13579)); |
| 97 | assertThat(ipv6.getNextHeader(), is(IPv6.PROTOCOL_UDP)); |
| 98 | assertThat(ipv6.getHopLimit(), is((byte) 32)); |
| 99 | assertArrayEquals(ipv6.getSourceAddress(), SOURCE_ADDRESS); |
| 100 | assertArrayEquals(ipv6.getDestinationAddress(), DESTINATION_ADDRESS); |
| 101 | } |
| 102 | |
| 103 | /** |
| 104 | * Tests comparator. |
| 105 | */ |
| 106 | @Test |
| 107 | public void testEqual() { |
| 108 | IPv6 packet1 = new IPv6(); |
| 109 | packet1.setPayload(udp); |
| 110 | packet1.setVersion((byte) 6); |
Charles M.C. Chan | 7fee36a | 2014-12-31 00:19:59 +0800 | [diff] [blame] | 111 | packet1.setTrafficClass((byte) 0x93); |
Charles M.C. Chan | 93b7fb0 | 2014-12-28 03:59:36 +0800 | [diff] [blame] | 112 | packet1.setFlowLabel(0x13579); |
| 113 | packet1.setNextHeader(IPv6.PROTOCOL_UDP); |
| 114 | packet1.setHopLimit((byte) 32); |
| 115 | packet1.setSourceAddress(SOURCE_ADDRESS); |
| 116 | packet1.setDestinationAddress(DESTINATION_ADDRESS); |
| 117 | |
| 118 | IPv6 packet2 = new IPv6(); |
| 119 | packet2.setPayload(udp); |
| 120 | packet2.setVersion((byte) 6); |
Charles M.C. Chan | 7fee36a | 2014-12-31 00:19:59 +0800 | [diff] [blame] | 121 | packet2.setTrafficClass((byte) 0x93); |
Charles M.C. Chan | 93b7fb0 | 2014-12-28 03:59:36 +0800 | [diff] [blame] | 122 | packet2.setFlowLabel(0x13579); |
| 123 | packet2.setNextHeader(IPv6.PROTOCOL_UDP); |
| 124 | packet2.setHopLimit((byte) 32); |
| 125 | packet2.setSourceAddress(DESTINATION_ADDRESS); |
| 126 | packet2.setDestinationAddress(SOURCE_ADDRESS); |
| 127 | |
| 128 | assertTrue(packet1.equals(packet1)); |
| 129 | assertFalse(packet1.equals(packet2)); |
| 130 | } |
| 131 | } |