| /* |
| * 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.apache.commons.lang3.StringUtils; |
| 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 RouterAdvertisement}. |
| */ |
| public class RouterAdvertisementTest { |
| private static final MacAddress MAC_ADDRESS = |
| MacAddress.valueOf("11:22:33:44:55:66"); |
| |
| private static byte[] bytePacket; |
| |
| private Deserializer<RouterAdvertisement> deserializer |
| = RouterAdvertisement.deserializer(); |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| byte[] byteHeader = { |
| (byte) 0x03, (byte) 0xc0, (byte) 0x02, (byte) 0x58, |
| (byte) 0x00, (byte) 0x00, (byte) 0x03, (byte) 0xe8, |
| (byte) 0x00, (byte) 0x00, (byte) 0x01, (byte) 0xf4, |
| (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() { |
| RouterAdvertisement ra = new RouterAdvertisement(); |
| ra.setCurrentHopLimit((byte) 3); |
| ra.setMFlag((byte) 1); |
| ra.setOFlag((byte) 1); |
| ra.setRouterLifetime((short) 0x258); |
| ra.setReachableTime(0x3e8); |
| ra.setRetransmitTimer(0x1f4); |
| ra.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| assertArrayEquals(ra.serialize(), bytePacket); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(RouterAdvertisement.deserializer()); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| // Run the truncation test only on the RouterAdvertisement header |
| byte[] raHeader = new byte[RouterAdvertisement.HEADER_LENGTH]; |
| ByteBuffer.wrap(bytePacket).get(raHeader); |
| |
| PacketTestUtils.testDeserializeTruncated(RouterAdvertisement.deserializer(), raHeader); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserialize() throws DeserializationException { |
| RouterAdvertisement ra = deserializer.deserialize(bytePacket, 0, bytePacket.length); |
| |
| assertThat(ra.getCurrentHopLimit(), is((byte) 3)); |
| assertThat(ra.getMFlag(), is((byte) 1)); |
| assertThat(ra.getOFlag(), is((byte) 1)); |
| assertThat(ra.getRouterLifetime(), is((short) 0x258)); |
| assertThat(ra.getReachableTime(), is(0x3e8)); |
| assertThat(ra.getRetransmitTimer(), is(0x1f4)); |
| |
| // Check the option(s) |
| assertThat(ra.getOptions().size(), is(1)); |
| NeighborDiscoveryOptions.Option option = ra.getOptions().get(0); |
| assertThat(option.type(), |
| is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS)); |
| assertArrayEquals(option.data(), MAC_ADDRESS.toBytes()); |
| } |
| |
| /** |
| * Tests comparator. |
| */ |
| @Test |
| public void testEqual() { |
| RouterAdvertisement ra1 = new RouterAdvertisement(); |
| ra1.setCurrentHopLimit((byte) 3); |
| ra1.setMFlag((byte) 1); |
| ra1.setOFlag((byte) 1); |
| ra1.setRouterLifetime((short) 0x258); |
| ra1.setReachableTime(0x3e8); |
| ra1.setRetransmitTimer(0x1f4); |
| ra1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| RouterAdvertisement ra2 = new RouterAdvertisement(); |
| ra2.setCurrentHopLimit((byte) 3); |
| ra2.setMFlag((byte) 0); |
| ra2.setOFlag((byte) 0); |
| ra2.setRouterLifetime((short) 0x1f4); |
| ra2.setReachableTime(0x3e8); |
| ra2.setRetransmitTimer(0x1f4); |
| ra2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| assertTrue(ra1.equals(ra1)); |
| assertFalse(ra1.equals(ra2)); |
| } |
| |
| /** |
| * Tests toString. |
| */ |
| @Test |
| public void testToStringRA() throws Exception { |
| RouterAdvertisement ra = deserializer.deserialize(bytePacket, 0, bytePacket.length); |
| String str = ra.toString(); |
| |
| assertTrue(StringUtils.contains(str, "currentHopLimit=" + (byte) 3)); |
| assertTrue(StringUtils.contains(str, "mFlag=" + (byte) 1)); |
| assertTrue(StringUtils.contains(str, "oFlag=" + (byte) 1)); |
| assertTrue(StringUtils.contains(str, "routerLifetime=" + (short) 0x258)); |
| assertTrue(StringUtils.contains(str, "reachableTime=" + 0x3e8)); |
| assertTrue(StringUtils.contains(str, "retransmitTimer=" + 0x1f4)); |
| |
| // TODO: need to handle options |
| } |
| } |