| /* |
| * 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 org.junit.Test; |
| |
| import static org.hamcrest.Matchers.is; |
| import static org.hamcrest.Matchers.not; |
| 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 length of the address in bytes (octets). |
| */ |
| @Test |
| public void testAddrBytelen() { |
| assertThat(Ip6Address.BYTE_LENGTH, is(16)); |
| } |
| |
| /** |
| * Tests the length of the address in bits. |
| */ |
| @Test |
| public void testAddrBitlen() { |
| assertThat(Ip6Address.BIT_LENGTH, is(128)); |
| } |
| |
| /** |
| * Tests default class constructor. |
| */ |
| @Test |
| public void testDefaultConstructor() { |
| Ip6Address ip6Address = new Ip6Address(); |
| assertThat(ip6Address.toString(), is("::")); |
| } |
| |
| /** |
| * Tests valid class copy constructor. |
| */ |
| @Test |
| public void testCopyConstructor() { |
| Ip6Address fromAddr = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| Ip6Address ip6Address = new Ip6Address(fromAddr); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| fromAddr = new Ip6Address("::"); |
| ip6Address = new Ip6Address(fromAddr); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| fromAddr = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| ip6Address = new Ip6Address(fromAddr); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid class copy constructor for a null object to copy from. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testInvalidConstructorNullObject() { |
| Ip6Address fromAddr = null; |
| Ip6Address ip6Address = new Ip6Address(fromAddr); |
| } |
| |
| /** |
| * Tests valid class constructor for integer values. |
| */ |
| @Test |
| public void testConstructorForInteger() { |
| Ip6Address ip6Address = |
| new Ip6Address(0x1111222233334444L, 0x5555666677778888L); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| ip6Address = new Ip6Address(0L, 0L); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| ip6Address = new Ip6Address(-1L, -1L); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests valid class constructor for an array value. |
| */ |
| @Test |
| public void testConstructorForArray() { |
| final byte[] value1 = new byte[] {0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88}; |
| Ip6Address ip6Address = new Ip6Address(value1); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| final byte[] value2 = new byte[] {0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| ip6Address = new Ip6Address(value2); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| final byte[] value3 = 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}; |
| ip6Address = new Ip6Address(value3); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests valid class constructor for an array value and an offset. |
| */ |
| @Test |
| public void testConstructorForArrayAndOffset() { |
| final byte[] value1 = 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 |
| Ip6Address ip6Address = new Ip6Address(value1, 3); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| final byte[] value2 = new byte[] {11, 22, // Preamble |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 33}; // Extra bytes |
| ip6Address = new Ip6Address(value2, 2); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| final byte[] value3 = 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 |
| ip6Address = new Ip6Address(value3, 2); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid class constructor for a null array. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testInvalidConstructorNullArray() { |
| final byte[] fromArray = null; |
| Ip6Address ip6Address = new Ip6Address(fromArray); |
| } |
| |
| /** |
| * Tests invalid class constructor for an array that is too short. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidConstructorShortArray() { |
| final byte[] fromArray = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9}; |
| Ip6Address ip6Address = new Ip6Address(fromArray); |
| } |
| |
| /** |
| * Tests invalid class constructor for an array and an invalid offset. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidConstructorArrayInvalidOffset() { |
| final byte[] value1 = 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 |
| Ip6Address ip6Address = new Ip6Address(value1, 6); |
| } |
| |
| /** |
| * Tests valid class constructor for a string. |
| */ |
| @Test |
| public void testConstructorForString() { |
| Ip6Address ip6Address = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| ip6Address = new Ip6Address("::"); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| ip6Address = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| |
| /** |
| * Tests invalid class constructor for a null string. |
| */ |
| @Test(expected = NullPointerException.class) |
| public void testInvalidConstructorNullString() { |
| String fromString = null; |
| Ip6Address ip6Address = new Ip6Address(fromString); |
| } |
| |
| /** |
| * Tests invalid class constructor for an empty string. |
| */ |
| @Test(expected = IllegalArgumentException.class) |
| public void testInvalidConstructors() { |
| // Check constructor for invalid ID: empty string |
| Ip6Address ip6Address = new Ip6Address(""); |
| } |
| |
| /** |
| * Tests returning the address as a byte array. |
| */ |
| @Test |
| public void testAddressToOctets() { |
| final byte[] value1 = new byte[] {0x11, 0x11, 0x22, 0x22, |
| 0x33, 0x33, 0x44, 0x44, |
| 0x55, 0x55, 0x66, 0x66, |
| 0x77, 0x77, |
| (byte) 0x88, (byte) 0x88}; |
| Ip6Address ip6Address = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ip6Address.toOctets(), is(value1)); |
| |
| final byte[] value2 = new byte[] {0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00}; |
| ip6Address = new Ip6Address("::"); |
| assertThat(ip6Address.toOctets(), is(value2)); |
| |
| final byte[] value3 = 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}; |
| ip6Address = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ip6Address.toOctets(), is(value3)); |
| } |
| |
| /** |
| * Tests making a mask prefix for a given prefix length. |
| */ |
| @Test |
| public void testMakeMaskPrefix() { |
| Ip6Address ip6Address = Ip6Address.makeMaskPrefix(8); |
| assertThat(ip6Address.toString(), is("ff00::")); |
| |
| ip6Address = Ip6Address.makeMaskPrefix(120); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ff00")); |
| |
| ip6Address = Ip6Address.makeMaskPrefix(0); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| ip6Address = Ip6Address.makeMaskPrefix(128); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| |
| ip6Address = Ip6Address.makeMaskPrefix(64); |
| assertThat(ip6Address.toString(), is("ffff:ffff:ffff:ffff::")); |
| } |
| |
| /** |
| * Tests making of a masked address. |
| */ |
| @Test |
| public void testMakeMaskedAddress() { |
| Ip6Address ip6Address = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8885"); |
| Ip6Address ip6AddressMasked = |
| Ip6Address.makeMaskedAddress(ip6Address, 8); |
| assertThat(ip6AddressMasked.toString(), is("1100::")); |
| |
| ip6AddressMasked = Ip6Address.makeMaskedAddress(ip6Address, 120); |
| assertThat(ip6AddressMasked.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8800")); |
| |
| ip6AddressMasked = Ip6Address.makeMaskedAddress(ip6Address, 0); |
| assertThat(ip6AddressMasked.toString(), is("::")); |
| |
| ip6AddressMasked = Ip6Address.makeMaskedAddress(ip6Address, 128); |
| assertThat(ip6AddressMasked.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8885")); |
| |
| ip6AddressMasked = Ip6Address.makeMaskedAddress(ip6Address, 64); |
| assertThat(ip6AddressMasked.toString(), is("1111:2222:3333:4444::")); |
| } |
| |
| /** |
| * Tests getting the value of an address. |
| */ |
| @Test |
| public void testGetValue() { |
| Ip6Address ip6Address = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ip6Address.getValueHigh(), is(0x1111222233334444L)); |
| assertThat(ip6Address.getValueLow(), is(0x5555666677778888L)); |
| |
| ip6Address = new Ip6Address(0, 0); |
| assertThat(ip6Address.getValueHigh(), is(0L)); |
| assertThat(ip6Address.getValueLow(), is(0L)); |
| |
| ip6Address = new Ip6Address(-1L, -1L); |
| assertThat(ip6Address.getValueHigh(), is(-1L)); |
| assertThat(ip6Address.getValueLow(), is(-1L)); |
| } |
| |
| /** |
| * Tests equality of {@link Ip6Address}. |
| */ |
| @Test |
| public void testEquality() { |
| Ip6Address addr1 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| Ip6Address addr2 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(addr1, is(addr2)); |
| |
| addr1 = new Ip6Address("::"); |
| addr2 = new Ip6Address("::"); |
| assertThat(addr1, is(addr2)); |
| |
| addr1 = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| addr2 = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(addr1, is(addr2)); |
| } |
| |
| /** |
| * Tests non-equality of {@link Ip6Address}. |
| */ |
| @Test |
| public void testNonEquality() { |
| Ip6Address addr1 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| Ip6Address addr2 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:888A"); |
| Ip6Address addr3 = new Ip6Address("::"); |
| Ip6Address addr4 = |
| new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(addr1, is(not(addr2))); |
| assertThat(addr3, is(not(addr2))); |
| assertThat(addr4, is(not(addr2))); |
| } |
| |
| /** |
| * Tests comparison of {@link Ip6Address}. |
| */ |
| @Test |
| public void testComparison() { |
| Ip6Address addr1 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| Ip6Address addr2 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| Ip6Address addr3 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8887"); |
| Ip6Address addr4 = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8889"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| |
| addr1 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr2 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr3 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8887"); |
| addr4 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8889"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| |
| addr1 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr2 = new Ip6Address("ffff:2222:3333:4444:5555:6666:7777:8888"); |
| addr3 = new Ip6Address("ffff:2222:3333:4443:5555:6666:7777:8888"); |
| addr4 = new Ip6Address("ffff:2222:3333:4445:5555:6666:7777:8888"); |
| assertTrue(addr1.compareTo(addr2) == 0); |
| assertTrue(addr1.compareTo(addr3) > 0); |
| assertTrue(addr1.compareTo(addr4) < 0); |
| } |
| |
| /** |
| * Tests object string representation. |
| */ |
| @Test |
| public void testToString() { |
| Ip6Address ip6Address = |
| new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8888"); |
| assertThat(ip6Address.toString(), |
| is("1111:2222:3333:4444:5555:6666:7777:8888")); |
| |
| ip6Address = new Ip6Address("1111::8888"); |
| assertThat(ip6Address.toString(), is("1111::8888")); |
| |
| ip6Address = new Ip6Address("1111::"); |
| assertThat(ip6Address.toString(), is("1111::")); |
| |
| ip6Address = new Ip6Address("::8888"); |
| assertThat(ip6Address.toString(), is("::8888")); |
| |
| ip6Address = new Ip6Address("::"); |
| assertThat(ip6Address.toString(), is("::")); |
| |
| ip6Address = new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"); |
| assertThat(ip6Address.toString(), |
| is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")); |
| } |
| } |