| /* |
| * 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 static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertTrue; |
| |
| /** |
| * Unit tests for the ICMP class. |
| */ |
| public class ICMPTest { |
| |
| private Deserializer<ICMP> deserializer; |
| |
| private byte icmpType = ICMP.TYPE_ECHO_REQUEST; |
| private byte icmpCode = 4; |
| private short checksum = 870; |
| |
| private byte[] headerBytes; |
| |
| @Before |
| public void setUp() throws Exception { |
| ICMPEcho icmpEcho = new ICMPEcho(); |
| icmpEcho.setIdentifier((short) 0) |
| .setSequenceNum((short) 0); |
| |
| ByteBuffer byteBufferIcmpEcho = ByteBuffer.wrap(icmpEcho.serialize()); |
| |
| deserializer = ICMP.deserializer(); |
| |
| ByteBuffer bb = ByteBuffer.allocate(ICMP.ICMP_HEADER_LENGTH + ICMPEcho.ICMP_ECHO_HEADER_LENGTH); |
| |
| bb.put(icmpType); |
| bb.put(icmpCode); |
| bb.putShort(checksum); |
| bb.put(byteBufferIcmpEcho); |
| |
| headerBytes = bb.array(); |
| } |
| |
| @Test |
| public void testDeserializeBadInput() throws Exception { |
| PacketTestUtils.testDeserializeBadInput(deserializer); |
| } |
| |
| @Test |
| public void testDeserializeTruncated() throws Exception { |
| PacketTestUtils.testDeserializeTruncated(deserializer, headerBytes); |
| } |
| |
| /** |
| * Tests deserialize and getters. |
| */ |
| @Test |
| public void testDeserialize() throws Exception { |
| ICMP icmp = deserializer.deserialize(headerBytes, 0, headerBytes.length); |
| |
| assertEquals(icmpType, icmp.getIcmpType()); |
| assertEquals(icmpCode, icmp.getIcmpCode()); |
| assertEquals(checksum, icmp.getChecksum()); |
| } |
| |
| /** |
| * Tests toString. |
| */ |
| @Test |
| public void testToStringIcmp() throws Exception { |
| ICMP icmp = deserializer.deserialize(headerBytes, 0, headerBytes.length); |
| String str = icmp.toString(); |
| |
| assertTrue(StringUtils.contains(str, "icmpType=" + icmpType)); |
| assertTrue(StringUtils.contains(str, "icmpCode=" + icmpCode)); |
| assertTrue(StringUtils.contains(str, "checksum=" + checksum)); |
| } |
| } |