IPv6Test.java
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/*
* Copyright 2014 Open Networking Laboratory
*
* 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.onlab.packet;
import org.junit.BeforeClass;
import org.junit.Test;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
/**
* Tests for class {@link IPv6}.
*/
public class IPv6Test {
private static final byte[] SOURCE_ADDRESS = {
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce
};
private static final byte[] DESTINATION_ADDRESS = {
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8
};
private static Data data;
private static UDP udp;
private static byte[] bytePacket;
@BeforeClass
public static void setUpBeforeClass() throws Exception {
data = new Data();
data.setData("testSerialize".getBytes());
udp = new UDP();
udp.setPayload(data);
byte[] bytePayload = udp.serialize();
byte[] byteHeader = {
(byte) 0x69, (byte) 0x31, (byte) 0x35, (byte) 0x79,
(byte) (bytePayload.length >> 8 & 0xff), (byte) (bytePayload.length & 0xff),
(byte) 0x11, (byte) 0x20,
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0xca, (byte) 0x2a, (byte) 0x14, (byte) 0xff, (byte) 0xfe, (byte) 0x35, (byte) 0x26, (byte) 0xce,
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18, (byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0xe6, (byte) 0xce, (byte) 0x8f, (byte) 0xff, (byte) 0xfe, (byte) 0x54, (byte) 0x37, (byte) 0xc8,
};
bytePacket = new byte[byteHeader.length + bytePayload.length];
System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
System.arraycopy(bytePayload, 0, bytePacket, byteHeader.length, bytePayload.length);
}
/**
* Tests serialize and setters.
*/
@Test
public void testSerialize() {
IPv6 ipv6 = new IPv6();
ipv6.setPayload(udp);
ipv6.setVersion((byte) 6);
ipv6.setDiffServ((byte) 0x93);
ipv6.setFlowLabel(0x13579);
ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
ipv6.setHopLimit((byte) 32);
ipv6.setSourceAddress(SOURCE_ADDRESS);
ipv6.setDestinationAddress(DESTINATION_ADDRESS);
assertArrayEquals(ipv6.serialize(), bytePacket);
}
/**
* Tests deserialize and getters.
*/
@Test
public void testDeserialize() {
IPv6 ipv6 = new IPv6();
ipv6.deserialize(bytePacket, 0, bytePacket.length);
assertThat(ipv6.getVersion(), is((byte) 6));
assertThat(ipv6.getDiffServ(), is((byte) 0x93));
assertThat(ipv6.getFlowLabel(), is(0x13579));
assertThat(ipv6.getNextHeader(), is(IPv6.PROTOCOL_UDP));
assertThat(ipv6.getHopLimit(), is((byte) 32));
assertArrayEquals(ipv6.getSourceAddress(), SOURCE_ADDRESS);
assertArrayEquals(ipv6.getDestinationAddress(), DESTINATION_ADDRESS);
}
/**
* Tests comparator.
*/
@Test
public void testEqual() {
IPv6 packet1 = new IPv6();
packet1.setPayload(udp);
packet1.setVersion((byte) 6);
packet1.setDiffServ((byte) 0x93);
packet1.setFlowLabel(0x13579);
packet1.setNextHeader(IPv6.PROTOCOL_UDP);
packet1.setHopLimit((byte) 32);
packet1.setSourceAddress(SOURCE_ADDRESS);
packet1.setDestinationAddress(DESTINATION_ADDRESS);
IPv6 packet2 = new IPv6();
packet2.setPayload(udp);
packet2.setVersion((byte) 6);
packet2.setDiffServ((byte) 0x93);
packet2.setFlowLabel(0x13579);
packet2.setNextHeader(IPv6.PROTOCOL_UDP);
packet2.setHopLimit((byte) 32);
packet2.setSourceAddress(DESTINATION_ADDRESS);
packet2.setDestinationAddress(SOURCE_ADDRESS);
assertTrue(packet1.equals(packet1));
assertFalse(packet1.equals(packet2));
}
}