| /* |
| * Copyright 2015-present Open Networking Foundation |
| * |
| * 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.apache.commons.lang3.StringUtils; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import java.nio.ByteBuffer; |
| import java.util.HashMap; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Unit tests for MPLS class. |
| */ |
| public class MplsTest { |
| |
| private Deserializer<MPLS> deserializer; |
| |
| private int label = 1048575; |
| private byte bos = 1; |
| private byte ttl = 20; |
| private byte protocol = MPLS.PROTOCOL_IPV4; |
| |
| private byte[] bytes; |
| |
| @Before |
| public void setUp() throws Exception { |
| // Replace normal deserializer map with an empty map. This will cause |
| // the DataDeserializer to be used which will silently handle 0-byte input. |
| MPLS.protocolDeserializerMap = new HashMap<>(); |
| |
| deserializer = MPLS.deserializer(); |
| |
| ByteBuffer bb = ByteBuffer.allocate(MPLS.HEADER_LENGTH); |
| bb.putInt(((label & 0x000fffff) << 12) | ((bos & 0x1) << 8 | (ttl & 0xff))); |
| |
| bytes = bb.array(); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(deserializer); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| PacketTestUtils.testDeserializeTruncated(deserializer, bytes); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserialize() throws Exception { |
| MPLS mpls = deserializer.deserialize(bytes, 0, bytes.length); |
| |
| assertEquals(label, mpls.label); |
| assertEquals(bos, mpls.bos); |
| assertEquals(ttl, mpls.ttl); |
| assertEquals(protocol, mpls.protocol); |
| } |
| |
| /** |
| * Tests toString. |
| */ |
| @Test |
| public void testToStringMpls() throws Exception { |
| MPLS mpls = deserializer.deserialize(bytes, 0, bytes.length); |
| String str = mpls.toString(); |
| |
| assertTrue(StringUtils.contains(str, "label=" + label)); |
| assertTrue(StringUtils.contains(str, "bos=" + bos)); |
| assertTrue(StringUtils.contains(str, "ttl=" + ttl)); |
| assertTrue(StringUtils.contains(str, "protocol=" + protocol)); |
| } |
| } |