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/*
* 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.testing.EqualsTester;
import org.junit.Test;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertThat;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
/**
* Tests for class {@link Ip6Prefix}.
*/
public class Ip6PrefixTest {
/**
* Tests the immutability of {@link Ip6Prefix}.
*/
@Test
public void testImmutable() {
assertThatClassIsImmutable(Ip6Prefix.class);
}
/**
* Tests the IPv4 prefix address version constant.
*/
@Test
public void testAddressVersion() {
assertThat(Ip6Prefix.VERSION, is(IpAddress.Version.INET6));
}
/**
* Tests the maximum mask length.
*/
@Test
public void testMaxMaskLength() {
assertThat(Ip6Prefix.MAX_MASK_LENGTH, is(128));
}
/**
* Tests returning the IP version of the prefix.
*/
@Test
public void testVersion() {
Ip6Prefix ipPrefix;
// IPv6
ipPrefix = Ip6Prefix.valueOf("::/0");
assertThat(ipPrefix.version(), is(IpAddress.Version.INET6));
}
/**
* Tests returning the IP address value and IP address prefix length of
* an IPv6 prefix.
*/
@Test
public void testAddressAndPrefixLengthIPv6() {
Ip6Prefix ipPrefix;
ipPrefix = Ip6Prefix.valueOf("1100::/8");
assertThat(ipPrefix.address(), equalTo(Ip6Address.valueOf("1100::")));
assertThat(ipPrefix.prefixLength(), is(8));
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8885/8");
assertThat(ipPrefix.address(), equalTo(Ip6Address.valueOf("1100::")));
assertThat(ipPrefix.prefixLength(), is(8));
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8800/120");
assertThat(ipPrefix.address(),
equalTo(Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8800")));
assertThat(ipPrefix.prefixLength(), is(120));
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8885/128");
assertThat(ipPrefix.address(),
equalTo(Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8885")));
assertThat(ipPrefix.prefixLength(), is(128));
ipPrefix = Ip6Prefix.valueOf("::/0");
assertThat(ipPrefix.address(), equalTo(Ip6Address.valueOf("::")));
assertThat(ipPrefix.prefixLength(), is(0));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ipPrefix.address(),
equalTo(Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
assertThat(ipPrefix.prefixLength(), is(128));
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8885/64");
assertThat(ipPrefix.address(),
equalTo(Ip6Address.valueOf("1111:2222:3333:4444::")));
assertThat(ipPrefix.prefixLength(), is(64));
}
/**
* Tests valueOf() converter for IPv6 byte array.
*/
@Test
public void testValueOfByteArrayIPv6() {
Ip6Prefix ipPrefix;
byte[] value;
value = new byte[] {0x11, 0x11, 0x22, 0x22,
0x33, 0x33, 0x44, 0x44,
0x55, 0x55, 0x66, 0x66,
0x77, 0x77, (byte) 0x88, (byte) 0x88};
ipPrefix = Ip6Prefix.valueOf(value, 120);
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8800/120"));
ipPrefix = Ip6Prefix.valueOf(value, 128);
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8888/128"));
value = new byte[] {0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00};
ipPrefix = Ip6Prefix.valueOf(value, 0);
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf(value, 128);
assertThat(ipPrefix.toString(), is("::/128"));
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};
ipPrefix = Ip6Prefix.valueOf(value, 0);
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf(value, 64);
assertThat(ipPrefix.toString(), is("ffff:ffff:ffff:ffff::/64"));
ipPrefix = Ip6Prefix.valueOf(value, 128);
assertThat(ipPrefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
/**
* Tests invalid valueOf() converter for a null array for IPv6.
*/
@Test(expected = NullPointerException.class)
public void testInvalidValueOfNullArrayIPv6() {
Ip6Prefix ipPrefix;
byte[] value;
value = null;
ipPrefix = Ip6Prefix.valueOf(value, 120);
}
/**
* Tests invalid valueOf() converter for a short array for IPv6.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfShortArrayIPv6() {
Ip6Prefix ipPrefix;
byte[] value;
value = new byte[] {1, 2, 3, 4, 5, 6, 7, 8, 9};
ipPrefix = Ip6Prefix.valueOf(value, 120);
}
/**
* Tests invalid valueOf() converter for IPv6 byte array and
* negative prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfByteArrayNegativePrefixLengthIPv6() {
Ip6Prefix ipPrefix;
byte[] value;
value = new byte[] {0x11, 0x11, 0x22, 0x22,
0x33, 0x33, 0x44, 0x44,
0x55, 0x55, 0x66, 0x66,
0x77, 0x77, (byte) 0x88, (byte) 0x88};
ipPrefix = Ip6Prefix.valueOf(value, -1);
}
/**
* Tests invalid valueOf() converter for IPv6 byte array and
* too long prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfByteArrayTooLongPrefixLengthIPv6() {
Ip6Prefix ipPrefix;
byte[] value;
value = new byte[] {0x11, 0x11, 0x22, 0x22,
0x33, 0x33, 0x44, 0x44,
0x55, 0x55, 0x66, 0x66,
0x77, 0x77, (byte) 0x88, (byte) 0x88};
ipPrefix = Ip6Prefix.valueOf(value, 129);
}
/**
* Tests valueOf() converter for IPv6 address.
*/
@Test
public void testValueOfAddressIPv6() {
Ip6Address ipAddress;
Ip6Prefix ipPrefix;
ipAddress =
Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888");
ipPrefix = Ip6Prefix.valueOf(ipAddress, 120);
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8800/120"));
ipPrefix = Ip6Prefix.valueOf(ipAddress, 128);
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8888/128"));
ipAddress = Ip6Address.valueOf("::");
ipPrefix = Ip6Prefix.valueOf(ipAddress, 0);
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf(ipAddress, 128);
assertThat(ipPrefix.toString(), is("::/128"));
ipAddress =
Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff");
ipPrefix = Ip6Prefix.valueOf(ipAddress, 0);
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf(ipAddress, 64);
assertThat(ipPrefix.toString(), is("ffff:ffff:ffff:ffff::/64"));
ipPrefix = Ip6Prefix.valueOf(ipAddress, 128);
assertThat(ipPrefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
/**
* Tests invalid valueOf() converter for a null IP address.
*/
@Test(expected = NullPointerException.class)
public void testInvalidValueOfNullAddress() {
Ip6Address ipAddress;
Ip6Prefix ipPrefix;
ipAddress = null;
ipPrefix = Ip6Prefix.valueOf(ipAddress, 24);
}
/**
* Tests invalid valueOf() converter for IPv6 address and
* negative prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfAddressNegativePrefixLengthIPv6() {
Ip6Address ipAddress;
Ip6Prefix ipPrefix;
ipAddress =
Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888");
ipPrefix = Ip6Prefix.valueOf(ipAddress, -1);
}
/**
* Tests invalid valueOf() converter for IPv6 address and
* too long prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfAddressTooLongPrefixLengthIPv6() {
Ip6Address ipAddress;
Ip6Prefix ipPrefix;
ipAddress =
Ip6Address.valueOf("1111:2222:3333:4444:5555:6666:7777:8888");
ipPrefix = Ip6Prefix.valueOf(ipAddress, 129);
}
/**
* Tests valueOf() converter for IPv6 string.
*/
@Test
public void testValueOfStringIPv6() {
Ip6Prefix ipPrefix;
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8888/120");
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8800/120"));
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8888/128");
assertThat(ipPrefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8888/128"));
ipPrefix = Ip6Prefix.valueOf("::/0");
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf("::/128");
assertThat(ipPrefix.toString(), is("::/128"));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/0");
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/64");
assertThat(ipPrefix.toString(), is("ffff:ffff:ffff:ffff::/64"));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ipPrefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
/**
* Tests invalid valueOf() converter for a null string.
*/
@Test(expected = NullPointerException.class)
public void testInvalidValueOfNullString() {
Ip6Prefix ipPrefix;
String fromString;
fromString = null;
ipPrefix = Ip6Prefix.valueOf(fromString);
}
/**
* Tests invalid valueOf() converter for an empty string.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfEmptyString() {
Ip6Prefix ipPrefix;
String fromString;
fromString = "";
ipPrefix = Ip6Prefix.valueOf(fromString);
}
/**
* Tests invalid valueOf() converter for an incorrect string.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfIncorrectString() {
Ip6Prefix ipPrefix;
String fromString;
fromString = "NoSuchIpPrefix";
ipPrefix = Ip6Prefix.valueOf(fromString);
}
/**
* Tests invalid valueOf() converter for IPv6 string and
* negative prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfStringNegativePrefixLengthIPv6() {
Ip6Prefix ipPrefix;
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8888/-1");
}
/**
* Tests invalid valueOf() converter for IPv6 string and
* too long prefix length.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidValueOfStringTooLongPrefixLengthIPv6() {
Ip6Prefix ipPrefix;
ipPrefix =
Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8888/129");
}
/**
* Tests IP prefix contains another IP prefix for IPv6.
*/
@Test
public void testContainsIpPrefixIPv6() {
Ip6Prefix ipPrefix;
ipPrefix = Ip6Prefix.valueOf("1111:2222:3333:4444::/120");
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/120")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/128")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::1/128")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/64")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4445::/120")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/64")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/0")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128")));
ipPrefix = Ip6Prefix.valueOf("1111:2222:3333:4444::/128");
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/120")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/128")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::1/128")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/64")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4445::/120")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/64")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/0")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128")));
ipPrefix = Ip6Prefix.valueOf("::/0");
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/120")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/128")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::1/128")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/64")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4445::/120")));
assertTrue(ipPrefix.contains(Ip6Prefix.valueOf("::/64")));
assertTrue(ipPrefix.contains(Ip6Prefix.valueOf("::/0")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128")));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/120")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/128")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::1/128")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4444::/64")));
assertFalse(ipPrefix.contains(
Ip6Prefix.valueOf("1111:2222:3333:4445::/120")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/64")));
assertFalse(ipPrefix.contains(Ip6Prefix.valueOf("::/0")));
assertTrue(ipPrefix.contains(
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128")));
}
/**
* Tests IP prefix contains IP address for IPv6.
*/
@Test
public void testContainsIpAddressIPv6() {
Ip6Prefix ipPrefix;
ipPrefix = Ip6Prefix.valueOf("1111:2222:3333:4444::/120");
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::")));
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::1")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4445::")));
assertFalse(ipPrefix.contains(Ip6Address.valueOf("::")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
ipPrefix = Ip6Prefix.valueOf("1111:2222:3333:4444::/128");
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::1")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4445::")));
assertFalse(ipPrefix.contains(Ip6Address.valueOf("::")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
ipPrefix = Ip6Prefix.valueOf("::/0");
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::")));
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::1")));
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4445::")));
assertTrue(ipPrefix.contains(Ip6Address.valueOf("::")));
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
ipPrefix =
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4444::1")));
assertFalse(ipPrefix.contains(
Ip6Address.valueOf("1111:2222:3333:4445::")));
assertFalse(ipPrefix.contains(Ip6Address.valueOf("::")));
assertTrue(ipPrefix.contains(
Ip6Address.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
}
/**
* Tests equality of {@link Ip6Prefix} for IPv6.
*/
@Test
public void testEqualityIPv6() {
new EqualsTester()
.addEqualityGroup(
Ip6Prefix.valueOf("1111:2222:3333:4444::/120"),
Ip6Prefix.valueOf("1111:2222:3333:4444::1/120"),
Ip6Prefix.valueOf("1111:2222:3333:4444::/120"))
.addEqualityGroup(
Ip6Prefix.valueOf("1111:2222:3333:4444::/64"),
Ip6Prefix.valueOf("1111:2222:3333:4444::/64"))
.addEqualityGroup(
Ip6Prefix.valueOf("1111:2222:3333:4444::/128"),
Ip6Prefix.valueOf("1111:2222:3333:4444::/128"))
.addEqualityGroup(
Ip6Prefix.valueOf("1111:2222:3333:4445::/64"),
Ip6Prefix.valueOf("1111:2222:3333:4445::/64"))
.addEqualityGroup(
Ip6Prefix.valueOf("::/0"),
Ip6Prefix.valueOf("::/0"))
.addEqualityGroup(
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"),
Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"))
.testEquals();
}
/**
* Tests object string representation for IPv6.
*/
@Test
public void testToStringIPv6() {
Ip6Prefix ipPrefix;
ipPrefix = Ip6Prefix.valueOf("1100::/8");
assertThat(ipPrefix.toString(), is("1100::/8"));
ipPrefix = Ip6Prefix.valueOf("1111:2222:3333:4444:5555:6666:7777:8885/8");
assertThat(ipPrefix.toString(), is("1100::/8"));
ipPrefix = Ip6Prefix.valueOf("::/0");
assertThat(ipPrefix.toString(), is("::/0"));
ipPrefix = Ip6Prefix.valueOf("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ipPrefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
}
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