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/*
* Copyright 2014-2015 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.assertArrayEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertTrue;
/**
* Tests for class {@link ICMP6}.
*/
public class ICMP6Test {
private static final byte[] IPV6_SOURCE_ADDRESS = {
(byte) 0xfe, (byte) 0x80, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x01
};
private static final byte[] IPV6_DESTINATION_ADDRESS = {
(byte) 0xfe, (byte) 0x80, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x02
};
private static IPv6 ipv6 = new IPv6();
private static byte[] bytePacket = {
ICMP6.ECHO_REQUEST, // type
(byte) 0x00, // code
(byte) 0x82, (byte) 0xbc, // checksum
};
@BeforeClass
public static void setUpBeforeClass() throws Exception {
ipv6.setSourceAddress(IPV6_SOURCE_ADDRESS);
ipv6.setDestinationAddress(IPV6_DESTINATION_ADDRESS);
ipv6.setNextHeader(IPv6.PROTOCOL_ICMP6);
}
/**
* Tests serialize and setters.
*/
@Test
public void testSerialize() {
ICMP6 icmp6 = new ICMP6();
icmp6.setIcmpType(ICMP6.ECHO_REQUEST);
icmp6.setIcmpCode((byte) 0);
icmp6.setParent(ipv6);
assertArrayEquals(bytePacket, icmp6.serialize());
}
@Test
public void testDeserializeBadInput() throws Exception {
PacketTestUtils.testDeserializeBadInput(ICMP6.deserializer());
}
@Test
public void testDeserializeTruncated() throws Exception {
PacketTestUtils.testDeserializeTruncated(ICMP6.deserializer(), bytePacket);
}
/**
* Tests deserialize and getters.
*/
@Test
public void testDeserialize() throws Exception {
ICMP6 icmp6 = ICMP6.deserializer().deserialize(bytePacket, 0, bytePacket.length);
assertThat(icmp6.getIcmpType(), is(ICMP6.ECHO_REQUEST));
assertThat(icmp6.getIcmpCode(), is((byte) 0x00));
assertThat(icmp6.getChecksum(), is((short) 0x82bc));
}
/**
* Tests comparator.
*/
@Test
public void testEqual() {
ICMP6 icmp61 = new ICMP6();
icmp61.setIcmpType(ICMP6.ECHO_REQUEST);
icmp61.setIcmpCode((byte) 0);
icmp61.setChecksum((short) 0);
ICMP6 icmp62 = new ICMP6();
icmp62.setIcmpType(ICMP6.ECHO_REPLY);
icmp62.setIcmpCode((byte) 0);
icmp62.setChecksum((short) 0);
assertTrue(icmp61.equals(icmp61));
assertFalse(icmp61.equals(icmp62));
}
}
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