| /* |
| * Copyright 2014 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; |
| |
| import com.google.common.net.InetAddresses; |
| import com.google.common.testing.EqualsTester; |
| import org.junit.Test; |
| |
| import java.net.InetAddress; |
| |
| import static org.hamcrest.Matchers.is; |
| import static org.junit.Assert.assertThat; |
| import static org.junit.Assert.assertTrue; |
| import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable; |
| |
| /** |
| * Tests for class {@link Ip6Address}. |
| */ |
| public class Ip6AddressTest { |
| /** |
| * Tests the immutability of {@link Ip6Address}. |
| */ |
| @Test |
| public void testImmutable() { |
| assertThatClassIsImmutable(Ip6Address.class); |
| } |
| |
| /** |
| * Tests the IPv4 address version constant. |
| */ |
| @Test |
| public void testAddressVersion() { |
| assertThat(Ip6Address.VERSION, is(IpAddress.Version.INET6)); |
| } |
| |
| /** |
| * Tests the length of the address in bytes (octets). |
| */ |
| @Test |
| public void testAddrByteLength() { |
| assertThat(Ip6Address.BYTE_LENGTH, is(16)); |
| } |
| |
| /** |
| * Tests the length of the address in bits. |
| */ |
| @Test |
| public void testAddrBitLength() { |
| assertThat(Ip6Address.BIT_LENGTH, is(128)); |
| } |
| |
| /** |
| * Tests returning the IP address version. |
| */ |
| @Test |
| public void testVersion() { |
| IpAddress ipAddress; |
| |
| // IPv6 |
| ipAddress = IpAddress.valueOf("::"); |
| assertThat(ipAddress.version(), is(IpAddress.Version.INET6)); |
| } |
| |
| /** |
| * Tests returning an IPv6 address as a byte array. |
| */ |
| @Test |
| public void testAddressToOctetsIPv6() { |
| Ip6Address ipAddress; |
| byte[] value; |
| |
| value = new byte[] {0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88}; |
| ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ipAddress.toOctets(), is(value)); |
| |
| value = new byte[] {0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| ipAddress = Ip6Address.valueOf("::"); |
| assertThat(ipAddress.toOctets(), is(value)); |
| |
| value = new byte[] {(byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff}; |
| ipAddress = |
| Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ipAddress.toOctets(), is(value)); |
| } |
| |
| /** |
| * Tests valueOf() converter for IPv6 byte array. |
| */ |
| @Test |
| public void testValueOfByteArrayIPv6() { |
| Ip6Address ipAddress; |
| byte[] value; |
| |
| value = new byte[] {0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88}; |
| ipAddress = Ip6Address.valueOf(value); |
| assertThat(ipAddress.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| value = new byte[] {0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| ipAddress = Ip6Address.valueOf(value); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| value = new byte[] {(byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff}; |
| ipAddress = Ip6Address.valueOf(value); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid valueOf() converter for a null array for IPv6. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testInvalidValueOfNullArrayIPv6() { |
| Ip6Address ipAddress; |
| |
| final byte[] fromArray = null; |
| ipAddress = Ip6Address.valueOf(fromArray); |
| } |
| |
| /** |
| * Tests invalid valueOf() converger for an array that is too short for |
| * IPv6. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidValueOfShortArrayIPv6() { |
| Ip6Address ipAddress; |
| |
| final byte[] fromArray = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| ipAddress = Ip6Address.valueOf(fromArray); |
| } |
| |
| /** |
| * Tests valueOf() converter for IPv6 byte array and an offset. |
| */ |
| @Test |
| public void testValueOfByteArrayOffsetIPv6() { |
| Ip6Address ipAddress; |
| byte[] value; |
| |
| value = new byte[] {11, 22, 33, // Preamble |
| 0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88, |
| 44, 55}; // Extra bytes |
| ipAddress = Ip6Address.valueOf(value, 3); |
| assertThat(ipAddress.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| value = new byte[] {11, 22, // Preamble |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 33}; // Extra bytes |
| ipAddress = Ip6Address.valueOf(value, 2); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| value = new byte[] {11, 22, // Preamble |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| (byte) 0xff, (byte) 0xff, |
| 33}; // Extra bytes |
| ipAddress = Ip6Address.valueOf(value, 2); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid valueOf() converger for an array and an invalid offset |
| * for IPv6. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidValueOfArrayInvalidOffsetIPv6() { |
| Ip6Address ipAddress; |
| byte[] value; |
| |
| value = new byte[] {11, 22, 33, // Preamble |
| 0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88, |
| 44, 55}; // Extra bytes |
| ipAddress = Ip6Address.valueOf(value, 6); |
| } |
| |
| /** |
| * Tests valueOf() converter for IPv6 InetAddress. |
| */ |
| @Test |
| public void testValueOfInetAddressIPv6() { |
| Ip6Address ipAddress; |
| InetAddress inetAddress; |
| |
| inetAddress = |
| InetAddresses.forString("1111:2222:3333:4444:5555:6666:7777:8888"); |
| ipAddress = Ip6Address.valueOf(inetAddress); |
| assertThat(ipAddress.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| inetAddress = InetAddresses.forString("::"); |
| ipAddress = Ip6Address.valueOf(inetAddress); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| inetAddress = |
| InetAddresses.forString("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| ipAddress = Ip6Address.valueOf(inetAddress); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests valueOf() converter for IPv6 string. |
| */ |
| @Test |
| public void testValueOfStringIPv6() { |
| Ip6Address ipAddress; |
| |
| ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ipAddress.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| ipAddress = Ip6Address.valueOf("::"); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| ipAddress = |
| Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid valueOf() converter for a null string. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testInvalidValueOfNullString() { |
| Ip6Address ipAddress; |
| |
| String fromString = null; |
| ipAddress = Ip6Address.valueOf(fromString); |
| } |
| |
| /** |
| * Tests invalid valueOf() converter for an empty string. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidValueOfEmptyString() { |
| Ip6Address ipAddress; |
| |
| String fromString = ""; |
| ipAddress = Ip6Address.valueOf(fromString); |
| } |
| |
| /** |
| * Tests invalid valueOf() converter for an incorrect string. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidValueOfIncorrectString() { |
| Ip6Address ipAddress; |
| |
| String fromString = "NoSuchIpAddress"; |
| ipAddress = Ip6Address.valueOf(fromString); |
| } |
| |
| /** |
| * Tests making a mask prefix for a given prefix length for IPv6. |
| */ |
| @Test |
| public void testMakeMaskPrefixIPv6() { |
| Ip6Address ipAddress; |
| |
| ipAddress = Ip6Address.makeMaskPrefix(8); |
| assertThat(ipAddress.toString(), is("ff00::")); |
| |
| ipAddress = Ip6Address.makeMaskPrefix(120); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00")); |
| |
| ipAddress = Ip6Address.makeMaskPrefix(0); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| ipAddress = Ip6Address.makeMaskPrefix(128); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| |
| ipAddress = Ip6Address.makeMaskPrefix(64); |
| assertThat(ipAddress.toString(), is("ffff:ffff:ffff:ffff::")); |
| } |
| |
| /** |
| * Tests making a mask prefix for an invalid prefix length for IPv6: |
| * negative prefix length. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidMakeNegativeMaskPrefixIPv6() { |
| Ip6Address ipAddress; |
| |
| ipAddress = Ip6Address.makeMaskPrefix(-1); |
| } |
| |
| /** |
| * Tests making a mask prefix for an invalid prefix length for IPv6: |
| * too long prefix length. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidMakeTooLongMaskPrefixIPv6() { |
| Ip6Address ipAddress; |
| |
| ipAddress = Ip6Address.makeMaskPrefix(129); |
| } |
| |
| /** |
| * Tests making of a masked address for IPv6. |
| */ |
| @Test |
| public void testMakeMaskedAddressIPv6() { |
| Ip6Address ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8885"); |
| Ip6Address ipAddressMasked; |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 8); |
| assertThat(ipAddressMasked.toString(), is("1100::")); |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 120); |
| assertThat(ipAddressMasked.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8800")); |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 0); |
| assertThat(ipAddressMasked.toString(), is("::")); |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 128); |
| assertThat(ipAddressMasked.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8885")); |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 64); |
| assertThat(ipAddressMasked.toString(), is("1111:2222:3333:4444::")); |
| } |
| |
| /** |
| * Tests making of a masked address for invalid prefix length for IPv6: |
| * negative prefix length. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidMakeNegativeMaskedAddressIPv6() { |
| Ip6Address ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8885"); |
| Ip6Address ipAddressMasked; |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, -1); |
| } |
| |
| /** |
| * Tests making of a masked address for an invalid prefix length for IPv6: |
| * too long prefix length. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidMakeTooLongMaskedAddressIPv6() { |
| Ip6Address ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8885"); |
| Ip6Address ipAddressMasked; |
| |
| ipAddressMasked = Ip6Address.makeMaskedAddress(ipAddress, 129); |
| } |
| |
| /** |
| * Tests comparison of {@link Ip6Address} for IPv6. |
| */ |
| @Test |
| public void testComparisonIPv6() { |
| Ip6Address addr1, addr2, addr3, addr4; |
| |
| addr1 = Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"); |
| addr2 = Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"); |
| addr3 = Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8887"); |
| addr4 = Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8889"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| |
| addr1 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr2 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr3 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8887"); |
| addr4 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8889"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| |
| addr1 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr2 = Ip6Address.valueOf("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr3 = Ip6Address.valueOf("ffff:2222:3333:4443:5555:6666:7777:8888"); |
| addr4 = Ip6Address.valueOf("ffff:2222:3333:4445:5555:6666:7777:8888"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| } |
| |
| /** |
| * Tests equality of {@link Ip6Address} for IPv6. |
| */ |
| @Test |
| public void testEqualityIPv6() { |
| new EqualsTester() |
| .addEqualityGroup( |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"), |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888")) |
| .addEqualityGroup( |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:888a"), |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:888a")) |
| .addEqualityGroup( |
| Ip6Address.valueOf("::"), |
| Ip6Address.valueOf("::")) |
| .addEqualityGroup( |
| Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"), |
| Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")) |
| .testEquals(); |
| } |
| |
| /** |
| * Tests object string representation for IPv6. |
| */ |
| @Test |
| public void testToStringIPv6() { |
| Ip6Address ipAddress; |
| |
| ipAddress = |
| Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ipAddress.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| ipAddress = Ip6Address.valueOf("1111::8888"); |
| assertThat(ipAddress.toString(), is("1111::8888")); |
| |
| ipAddress = Ip6Address.valueOf("1111::"); |
| assertThat(ipAddress.toString(), is("1111::")); |
| |
| ipAddress = Ip6Address.valueOf("::8888"); |
| assertThat(ipAddress.toString(), is("::8888")); |
| |
| ipAddress = Ip6Address.valueOf("::"); |
| assertThat(ipAddress.toString(), is("::")); |
| |
| ipAddress = |
| Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ipAddress.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| } |