Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 1 | package org.onlab.packet; |
| 2 | |
| 3 | import static org.junit.Assert.assertEquals; |
Jonathan Hart | b7a2ac3 | 2014-09-19 10:42:27 -0700 | [diff] [blame] | 4 | import static org.junit.Assert.assertFalse; |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 5 | import static org.junit.Assert.assertTrue; |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 6 | |
| 7 | import java.util.Arrays; |
| 8 | |
| 9 | import org.junit.Test; |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 10 | import org.onlab.packet.IpPrefix.Version; |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 11 | |
| 12 | import com.google.common.testing.EqualsTester; |
| 13 | |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 14 | public class IpPrefixTest { |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 15 | |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 16 | private static final byte [] BYTES1 = new byte [] {0xa, 0x0, 0x0, 0xa}; |
| 17 | private static final byte [] BYTES2 = new byte [] {0xa, 0x0, 0x0, 0xb}; |
| 18 | private static final int INTVAL1 = 167772170; |
| 19 | private static final int INTVAL2 = 167772171; |
| 20 | private static final String STRVAL = "10.0.0.12"; |
| 21 | private static final int MASK = 16; |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 22 | |
| 23 | @Test |
| 24 | public void testEquality() { |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 25 | IpPrefix ip1 = IpPrefix.valueOf(BYTES1); |
| 26 | IpPrefix ip2 = IpPrefix.valueOf(INTVAL1); |
| 27 | IpPrefix ip3 = IpPrefix.valueOf(BYTES2); |
| 28 | IpPrefix ip4 = IpPrefix.valueOf(INTVAL2); |
| 29 | IpPrefix ip5 = IpPrefix.valueOf(STRVAL); |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 30 | |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 31 | new EqualsTester().addEqualityGroup(ip1, ip2) |
| 32 | .addEqualityGroup(ip3, ip4) |
| 33 | .addEqualityGroup(ip5) |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 34 | .testEquals(); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 35 | |
| 36 | // string conversions |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 37 | IpPrefix ip6 = IpPrefix.valueOf(BYTES1, MASK); |
| 38 | IpPrefix ip7 = IpPrefix.valueOf("10.0.0.10/16"); |
| 39 | IpPrefix ip8 = IpPrefix.valueOf(new byte [] {0xa, 0x0, 0x0, 0xc}); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 40 | assertEquals("incorrect address conversion", ip6, ip7); |
| 41 | assertEquals("incorrect address conversion", ip5, ip8); |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | @Test |
| 45 | public void basics() { |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 46 | IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 47 | final byte [] bytes = new byte [] {0xa, 0x0, 0x0, 0xa}; |
| 48 | |
| 49 | //check fields |
| 50 | assertEquals("incorrect IP Version", Version.INET, ip1.version()); |
| 51 | assertEquals("incorrect netmask", 16, ip1.netmask); |
| 52 | assertTrue("faulty toOctets()", Arrays.equals(bytes, ip1.toOctets())); |
| 53 | assertEquals("faulty toInt()", INTVAL1, ip1.toInt()); |
| 54 | assertEquals("faulty toString()", "10.0.0.10/16", ip1.toString()); |
| 55 | } |
| 56 | |
| 57 | @Test |
| 58 | public void netmasks() { |
| 59 | // masked |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 60 | IpPrefix ip1 = IpPrefix.valueOf(BYTES1, MASK); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 61 | |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 62 | IpPrefix host = IpPrefix.valueOf("0.0.0.10/16"); |
| 63 | IpPrefix network = IpPrefix.valueOf("10.0.0.0/16"); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 64 | assertEquals("incorrect host address", host, ip1.host()); |
| 65 | assertEquals("incorrect network address", network, ip1.network()); |
| 66 | assertEquals("incorrect netmask", "255.255.0.0", ip1.netmask().toString()); |
| 67 | |
| 68 | //unmasked |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 69 | IpPrefix ip2 = IpPrefix.valueOf(BYTES1); |
| 70 | IpPrefix umhost = IpPrefix.valueOf("10.0.0.10/0"); |
| 71 | IpPrefix umnet = IpPrefix.valueOf("0.0.0.0/0"); |
Ayaka Koshibe | 40e7fec | 2014-09-16 22:32:19 -0700 | [diff] [blame] | 72 | assertEquals("incorrect host address", umhost, ip2.host()); |
| 73 | assertEquals("incorrect host address", umnet, ip2.network()); |
| 74 | assertTrue("incorrect netmask", |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 75 | Arrays.equals(IpPrefix.ANY, ip2.netmask().toOctets())); |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 76 | } |
Jonathan Hart | b7a2ac3 | 2014-09-19 10:42:27 -0700 | [diff] [blame] | 77 | |
| 78 | @Test |
Jonathan Hart | 70da512 | 2014-10-01 16:37:42 -0700 | [diff] [blame] | 79 | public void testContainsIpPrefix() { |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 80 | IpPrefix slash31 = IpPrefix.valueOf(BYTES1, 31); |
| 81 | IpPrefix slash32 = IpPrefix.valueOf(BYTES1, 32); |
| 82 | IpPrefix differentSlash32 = IpPrefix.valueOf(BYTES2, 32); |
Jonathan Hart | b7a2ac3 | 2014-09-19 10:42:27 -0700 | [diff] [blame] | 83 | |
| 84 | assertTrue(slash31.contains(differentSlash32)); |
| 85 | assertFalse(differentSlash32.contains(slash31)); |
| 86 | |
| 87 | assertTrue(slash31.contains(slash32)); |
| 88 | assertFalse(slash32.contains(differentSlash32)); |
| 89 | assertFalse(differentSlash32.contains(slash32)); |
| 90 | |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 91 | IpPrefix zero = IpPrefix.valueOf("0.0.0.0/0"); |
Jonathan Hart | b7a2ac3 | 2014-09-19 10:42:27 -0700 | [diff] [blame] | 92 | assertTrue(zero.contains(differentSlash32)); |
| 93 | assertFalse(differentSlash32.contains(zero)); |
| 94 | |
Ayaka Koshibe | 1d56fe4 | 2014-09-19 16:51:58 -0700 | [diff] [blame] | 95 | IpPrefix slash8 = IpPrefix.valueOf("10.0.0.0/8"); |
Jonathan Hart | b7a2ac3 | 2014-09-19 10:42:27 -0700 | [diff] [blame] | 96 | assertTrue(slash8.contains(slash31)); |
| 97 | assertFalse(slash31.contains(slash8)); |
| 98 | } |
Jonathan Hart | 70da512 | 2014-10-01 16:37:42 -0700 | [diff] [blame] | 99 | |
| 100 | @Test |
| 101 | public void testContainsIpAddress() { |
| 102 | IpPrefix slash31 = IpPrefix.valueOf(BYTES1, 31); |
| 103 | IpAddress slash32 = IpAddress.valueOf(BYTES1, 32); |
| 104 | |
| 105 | assertTrue(slash31.contains(slash32)); |
| 106 | |
| 107 | IpPrefix intf = IpPrefix.valueOf("192.168.10.101/24"); |
| 108 | IpAddress addr = IpAddress.valueOf("192.168.10.1"); |
| 109 | |
| 110 | assertTrue(intf.contains(addr)); |
| 111 | } |
Ayaka Koshibe | 16698a3 | 2014-09-13 22:19:02 -0700 | [diff] [blame] | 112 | } |