blob: 928a2de68fb551f5d27aafaaba7b0e00c4d92c55 [file] [log] [blame]
Umesh Krishnaswamy345ee992012-12-13 20:29:48 -08001/**
2* Copyright 2011, Big Switch Networks, Inc.
3* Originally created by David Erickson, Stanford University
4*
5* Licensed under the Apache License, Version 2.0 (the "License"); you may
6* not use this file except in compliance with the License. You may obtain
7* a copy of the License at
8*
9* http://www.apache.org/licenses/LICENSE-2.0
10*
11* Unless required by applicable law or agreed to in writing, software
12* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14* License for the specific language governing permissions and limitations
15* under the License.
16**/
17
18/**
19 *
20 */
21package net.floodlightcontroller.packet;
22
23import static org.junit.Assert.assertEquals;
24import static org.junit.Assert.assertTrue;
25
26import java.util.Arrays;
27
28import org.junit.Assert;
29import org.junit.Test;
30
31/**
32 * @author David Erickson (daviderickson@cs.stanford.edu)
33 *
34 */
35public class IPv4Test {
36 @Test
37 public void testToIPv4Address() {
38 int intIp = 0xc0a80001;
39 String stringIp = "192.168.0.1";
40 byte[] byteIp = new byte[] {(byte)192, (byte)168, (byte)0, (byte)1};
41 assertEquals(intIp, IPv4.toIPv4Address(stringIp));
42 assertEquals(intIp, IPv4.toIPv4Address(byteIp));
43 assertTrue(Arrays.equals(byteIp, IPv4.toIPv4AddressBytes(intIp)));
44 assertTrue(Arrays.equals(byteIp, IPv4.toIPv4AddressBytes(stringIp)));
45 }
46
47 @Test
48 public void testToIPv4AddressBytes() {
49 byte[] expected = new byte[] {(byte) 0xff, (byte) 0xff, (byte) 0xff, (byte) 0xff};
50 Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("255.255.255.255"));
51 expected = new byte[] {(byte) 0x80, (byte) 0x80, (byte) 0x80, (byte) 0x80};
52 Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("128.128.128.128"));
53 expected = new byte[] {0x7f,0x7f,0x7f,0x7f};
54 Assert.assertArrayEquals(expected, IPv4.toIPv4AddressBytes("127.127.127.127"));
55 }
56
57 @Test
58 public void testSerialize() {
59 byte[] expected = new byte[] { 0x45, 0x00, 0x00, 0x14, 0x5e, 0x4e,
60 0x00, 0x00, 0x3f, 0x06, 0x31, 0x2e, (byte) 0xac, 0x18,
61 0x4a, (byte) 0xdf, (byte) 0xab, 0x40, 0x4a, 0x30 };
62 IPv4 packet = new IPv4()
63 .setIdentification((short) 24142)
64 .setTtl((byte) 63)
65 .setProtocol((byte) 0x06)
66 .setSourceAddress("172.24.74.223")
67 .setDestinationAddress("171.64.74.48");
68 byte[] actual = packet.serialize();
69 assertTrue(Arrays.equals(expected, actual));
70 }
71
72 @Test
73 public void testDeserialize() {
74 // A real TLSv1 packet
75 byte[] pktSerialized = new byte[] { 0x45, 0x00,
76 0x00, 0x2e, 0x41, (byte) 0xbe, 0x40, 0x00, 0x40, 0x06,
77 (byte) 0xd4, (byte) 0xf0, (byte) 0xc0, (byte) 0xa8, 0x02, (byte) 0xdb, (byte) 0xd0, 0x55,
78 (byte) 0x90, 0x42, (byte) 0xd5, 0x48, 0x01, (byte) 0xbb, (byte) 0xe3, 0x50,
79 (byte) 0xb2, 0x2f, (byte) 0xfc, (byte) 0xf8, (byte) 0xa8, 0x2c, 0x50, 0x18,
80 (byte) 0xff, (byte) 0xff, 0x24, 0x3c, 0x00, 0x00, 0x14, 0x03,
81 0x01, 0x00, 0x01, 0x01
82 };
83 IPv4 packet = new IPv4();
84 packet.deserialize(pktSerialized, 0, pktSerialized.length);
85 byte[] pktSerialized1 = packet.serialize();
86 assertTrue(Arrays.equals(pktSerialized, pktSerialized1));
87 }
88}