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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.ndp;
import org.junit.BeforeClass;
import org.junit.Test;
import org.onlab.packet.DeserializationException;
import org.onlab.packet.Deserializer;
import org.onlab.packet.MacAddress;
import org.onlab.packet.PacketTestUtils;
import java.nio.ByteBuffer;
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 Redirect}.
*/
public class RedirectTest {
private static final byte[] TARGET_ADDRESS = {
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
(byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00
};
private static final byte[] DESTINATION_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_ADDRESS2 = {
(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 final MacAddress MAC_ADDRESS =
MacAddress.valueOf("11:22:33:44:55:66");
private static byte[] bytePacket;
private Deserializer<Redirect> deserializer = Redirect.deserializer();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
byte[] byteHeader = {
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x20, (byte) 0x01, (byte) 0x0f, (byte) 0x18,
(byte) 0x01, (byte) 0x13, (byte) 0x02, (byte) 0x15,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(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) 0x02, (byte) 0x01, (byte) 0x11, (byte) 0x22,
(byte) 0x33, (byte) 0x44, (byte) 0x55, (byte) 0x66
};
bytePacket = new byte[byteHeader.length];
System.arraycopy(byteHeader, 0, bytePacket, 0, byteHeader.length);
}
/**
* Tests serialize and setters.
*/
@Test
public void testSerialize() {
Redirect rd = new Redirect();
rd.setTargetAddress(TARGET_ADDRESS);
rd.setDestinationAddress(DESTINATION_ADDRESS);
rd.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS.toBytes());
assertArrayEquals(rd.serialize(), bytePacket);
}
@Test
public void testDeserializeBadInput() throws Exception {
PacketTestUtils.testDeserializeBadInput(Redirect.deserializer());
}
@Test
public void testDeserializeTruncated() throws Exception {
// Run the truncation test only on the Redirect header
byte[] rdHeader = new byte[Redirect.HEADER_LENGTH];
ByteBuffer.wrap(bytePacket).get(rdHeader);
PacketTestUtils.testDeserializeTruncated(Redirect.deserializer(), rdHeader);
}
/**
* Tests deserialize and getters.
*/
@Test
public void testDeserialize() throws DeserializationException {
Redirect rd = deserializer.deserialize(bytePacket, 0, bytePacket.length);
assertArrayEquals(rd.getTargetAddress(), TARGET_ADDRESS);
assertArrayEquals(rd.getDestinationAddress(), DESTINATION_ADDRESS);
// Check the option(s)
assertThat(rd.getOptions().size(), is(1));
NeighborDiscoveryOptions.Option option = rd.getOptions().get(0);
assertThat(option.type(),
is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
assertArrayEquals(option.data(), MAC_ADDRESS.toBytes());
}
/**
* Tests comparator.
*/
@Test
public void testEqual() {
Redirect rd1 = new Redirect();
rd1.setTargetAddress(TARGET_ADDRESS);
rd1.setDestinationAddress(DESTINATION_ADDRESS);
rd1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS.toBytes());
Redirect rd2 = new Redirect();
rd2.setTargetAddress(TARGET_ADDRESS);
rd2.setDestinationAddress(DESTINATION_ADDRESS2);
rd2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS.toBytes());
assertTrue(rd1.equals(rd1));
assertFalse(rd1.equals(rd2));
}
}
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