| /* |
| * Copyright 2015-present 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.*; |
| |
| /** |
| * Tests for class {@link NeighborAdvertisement}. |
| */ |
| public class NeighborAdvertisementTest { |
| private static final byte[] TARGET_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 MacAddress MAC_ADDRESS = |
| MacAddress.valueOf("11:22:33:44:55:66"); |
| |
| private static byte[] bytePacket; |
| |
| private Deserializer<NeighborAdvertisement> deserializer |
| = NeighborAdvertisement.deserializer(); |
| |
| @BeforeClass |
| public static void setUpBeforeClass() throws Exception { |
| byte[] byteHeader = { |
| (byte) 0xe0, (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() { |
| NeighborAdvertisement na = new NeighborAdvertisement(); |
| na.setRouterFlag((byte) 1); |
| na.setSolicitedFlag((byte) 1); |
| na.setOverrideFlag((byte) 1); |
| na.setTargetAddress(TARGET_ADDRESS); |
| na.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| assertArrayEquals(na.serialize(), bytePacket); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(NeighborAdvertisement.deserializer()); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| // Run the truncation test only on the NeighborAdvertisement header |
| byte[] naHeader = new byte[NeighborAdvertisement.HEADER_LENGTH]; |
| ByteBuffer.wrap(bytePacket).get(naHeader); |
| |
| PacketTestUtils.testDeserializeTruncated(NeighborAdvertisement.deserializer(), naHeader); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserialize() throws DeserializationException { |
| NeighborAdvertisement na = deserializer.deserialize(bytePacket, 0, bytePacket.length); |
| |
| assertThat(na.getRouterFlag(), is((byte) 1)); |
| assertThat(na.getSolicitedFlag(), is((byte) 1)); |
| assertThat(na.getOverrideFlag(), is((byte) 1)); |
| assertArrayEquals(na.getTargetAddress(), TARGET_ADDRESS); |
| |
| // Check the option(s) |
| assertThat(na.getOptions().size(), is(1)); |
| NeighborDiscoveryOptions.Option option = na.getOptions().get(0); |
| assertThat(option.type(), |
| is(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS)); |
| assertArrayEquals(option.data(), MAC_ADDRESS.toBytes()); |
| } |
| |
| /** |
| * Tests comparator. |
| */ |
| @Test |
| public void testEqual() { |
| NeighborAdvertisement na1 = new NeighborAdvertisement(); |
| na1.setRouterFlag((byte) 1); |
| na1.setSolicitedFlag((byte) 1); |
| na1.setOverrideFlag((byte) 1); |
| na1.setTargetAddress(TARGET_ADDRESS); |
| na1.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| NeighborAdvertisement na2 = new NeighborAdvertisement(); |
| na2.setRouterFlag((byte) 1); |
| na2.setSolicitedFlag((byte) 1); |
| na2.setOverrideFlag((byte) 0); |
| na2.setTargetAddress(TARGET_ADDRESS); |
| na2.addOption(NeighborDiscoveryOptions.TYPE_TARGET_LL_ADDRESS, |
| MAC_ADDRESS.toBytes()); |
| |
| assertTrue(na1.equals(na1)); |
| assertFalse(na1.equals(na2)); |
| } |
| |
| /** |
| * Tests toString. |
| */ |
| @Test |
| public void testToStringNA() throws Exception { |
| NeighborAdvertisement na = deserializer.deserialize(bytePacket, 0, bytePacket.length); |
| String str = na.toString(); |
| |
| assertTrue(StringUtils.contains(str, "routerFlag=" + (byte) 1)); |
| assertTrue(StringUtils.contains(str, "solicitedFlag=" + (byte) 1)); |
| assertTrue(StringUtils.contains(str, "overrideFlag=" + (byte) 1)); |
| // TODO: need to handle TARGET_ADDRESS |
| } |
| } |