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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.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 RouterSolicitation}.
*/
public class RouterSolicitationTest {
private static final MacAddress MAC_ADDRESS1 =
MacAddress.valueOf("11:22:33:44:55:66");
private static final MacAddress MAC_ADDRESS2 =
MacAddress.valueOf("11:22:33:44:55:00");
private static byte[] bytePacket;
private Deserializer<RouterSolicitation> deserializer
= RouterSolicitation.deserializer();
@BeforeClass
public static void setUpBeforeClass() throws Exception {
byte[] byteHeader = {
(byte) 0x00, (byte) 0x00, (byte) 0x00, (byte) 0x00,
(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() {
RouterSolicitation rs = new RouterSolicitation();
rs.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS1.toBytes());
assertArrayEquals(rs.serialize(), bytePacket);
}
@Test
public void testDeserializeBadInput() throws Exception {
PacketTestUtils.testDeserializeBadInput(RouterSolicitation.deserializer());
}
@Test
public void testDeserializeTruncated() throws Exception {
// Run the truncation test only on the RouterSolicitation header
byte[] rsHeader = new byte[RouterSolicitation.HEADER_LENGTH];
ByteBuffer.wrap(bytePacket).get(rsHeader);
PacketTestUtils.testDeserializeTruncated(RouterSolicitation.deserializer(), rsHeader);
}
/**
* Tests deserialize and getters.
*/
@Test
public void testDeserialize() throws Exception {
RouterSolicitation rs = deserializer.deserialize(bytePacket, 0, bytePacket.length);
// Check the option(s)
assertThat(rs.getOptions().size(), is(1));
NeighborDiscoveryOptions.Option option = rs.getOptions().get(0);
assertThat(option.type(),
is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS));
assertArrayEquals(option.data(), MAC_ADDRESS1.toBytes());
}
/**
* Tests comparator.
*/
@Test
public void testEqual() {
RouterSolicitation rs1 = new RouterSolicitation();
rs1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS1.toBytes());
RouterSolicitation rs2 = new RouterSolicitation();
rs2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS,
MAC_ADDRESS2.toBytes());
assertTrue(rs1.equals(rs1));
assertFalse(rs1.equals(rs2));
}
}
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