Ip6PrefixTest.java
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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 org.junit.Test;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat;
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 default class constructor.
*/
@Test
public void testDefaultConstructor() {
Ip6Prefix ip6prefix = new Ip6Prefix();
assertThat(ip6prefix.toString(), is("::/0"));
}
/**
* Tests valid class copy constructor.
*/
@Test
public void testCopyConstructor() {
Ip6Prefix fromAddr = new Ip6Prefix("1100::/8");
Ip6Prefix ip6prefix = new Ip6Prefix(fromAddr);
assertThat(ip6prefix.toString(), is("1100::/8"));
fromAddr = new Ip6Prefix("::/0");
ip6prefix = new Ip6Prefix(fromAddr);
assertThat(ip6prefix.toString(), is("::/0"));
fromAddr =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
ip6prefix = new Ip6Prefix(fromAddr);
assertThat(ip6prefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
/**
* Tests invalid class copy constructor for a null object to copy from.
*/
@Test(expected = NullPointerException.class)
public void testInvalidConstructorNullObject() {
Ip6Prefix fromAddr = null;
Ip6Prefix ip6prefix = new Ip6Prefix(fromAddr);
}
/**
* Tests valid class constructor for an address and prefix length.
*/
@Test
public void testConstructorForAddressAndPrefixLength() {
Ip6Prefix ip6prefix =
new Ip6Prefix(new Ip6Address("1100::"), (short) 8);
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix =
new Ip6Prefix(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8885"),
(short) 8);
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix =
new Ip6Prefix(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8800"),
(short) 120);
assertThat(ip6prefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8800/120"));
ip6prefix = new Ip6Prefix(new Ip6Address("::"), (short) 0);
assertThat(ip6prefix.toString(), is("::/0"));
ip6prefix =
new Ip6Prefix(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8885"),
(short) 128);
assertThat(ip6prefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8885/128"));
ip6prefix =
new Ip6Prefix(new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"),
(short) 128);
assertThat(ip6prefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
ip6prefix =
new Ip6Prefix(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8885"),
(short) 64);
assertThat(ip6prefix.toString(), is("1111:2222:3333:4444::/64"));
}
/**
* Tests valid class constructor for a string.
*/
@Test
public void testConstructorForString() {
Ip6Prefix ip6prefix = new Ip6Prefix("1100::/8");
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix = new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/8");
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8800/120");
assertThat(ip6prefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8800/120"));
ip6prefix = new Ip6Prefix("::/0");
assertThat(ip6prefix.toString(), is("::/0"));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/128");
assertThat(ip6prefix.toString(),
is("1111:2222:3333:4444:5555:6666:7777:8885/128"));
ip6prefix = new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ip6prefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/64");
assertThat(ip6prefix.toString(), is("1111:2222:3333:4444::/64"));
}
/**
* Tests invalid class constructor for a null string.
*/
@Test(expected = NullPointerException.class)
public void testInvalidConstructorNullString() {
String fromString = null;
Ip6Prefix ip6prefix = new Ip6Prefix(fromString);
}
/**
* Tests invalid class constructor for an empty string.
*/
@Test(expected = IllegalArgumentException.class)
public void testInvalidConstructors() {
// Check constructor for invalid ID: empty string
Ip6Prefix ip6prefix = new Ip6Prefix("");
}
/**
* Tests getting the value of an address.
*/
@Test
public void testGetValue() {
Ip6Prefix ip6prefix = new Ip6Prefix("1100::/8");
assertThat(ip6prefix.getAddress(), equalTo(new Ip6Address("1100::")));
assertThat(ip6prefix.getPrefixLen(), is((short) 8));
ip6prefix = new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/8");
assertThat(ip6prefix.getAddress(), equalTo(new Ip6Address("1100::")));
assertThat(ip6prefix.getPrefixLen(), is((short) 8));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8800/120");
assertThat(ip6prefix.getAddress(),
equalTo(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8800")));
assertThat(ip6prefix.getPrefixLen(), is((short) 120));
ip6prefix = new Ip6Prefix("::/0");
assertThat(ip6prefix.getAddress(), equalTo(new Ip6Address("::")));
assertThat(ip6prefix.getPrefixLen(), is((short) 0));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/128");
assertThat(ip6prefix.getAddress(),
equalTo(new Ip6Address("1111:2222:3333:4444:5555:6666:7777:8885")));
assertThat(ip6prefix.getPrefixLen(), is((short) 128));
ip6prefix =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ip6prefix.getAddress(),
equalTo(new Ip6Address("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")));
assertThat(ip6prefix.getPrefixLen(), is((short) 128));
ip6prefix =
new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/64");
assertThat(ip6prefix.getAddress(),
equalTo(new Ip6Address("1111:2222:3333:4444::")));
assertThat(ip6prefix.getPrefixLen(), is((short) 64));
}
/**
* Tests equality of {@link Ip6Address}.
*/
@Test
public void testEquality() {
Ip6Prefix addr1net = new Ip6Prefix("1100::/8");
Ip6Prefix addr2net = new Ip6Prefix("1100::/8");
assertThat(addr1net, is(addr2net));
addr1net = new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/8");
addr2net = new Ip6Prefix("1100::/8");
assertThat(addr1net, is(addr2net));
addr1net = new Ip6Prefix("::/0");
addr2net = new Ip6Prefix("::/0");
assertThat(addr1net, is(addr2net));
addr1net =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
addr2net =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(addr1net, is(addr2net));
}
/**
* Tests non-equality of {@link Ip6Address}.
*/
@Test
public void testNonEquality() {
Ip6Prefix addr1net = new Ip6Prefix("1100::/8");
Ip6Prefix addr2net = new Ip6Prefix("1200::/8");
Ip6Prefix addr3net = new Ip6Prefix("1200::/12");
Ip6Prefix addr4net = new Ip6Prefix("::/0");
Ip6Prefix addr5net =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(addr1net, is(not(addr2net)));
assertThat(addr3net, is(not(addr2net)));
assertThat(addr4net, is(not(addr2net)));
assertThat(addr5net, is(not(addr2net)));
}
/**
* Tests object string representation.
*/
@Test
public void testToString() {
Ip6Prefix ip6prefix = new Ip6Prefix("1100::/8");
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix = new Ip6Prefix("1111:2222:3333:4444:5555:6666:7777:8885/8");
assertThat(ip6prefix.toString(), is("1100::/8"));
ip6prefix = new Ip6Prefix("::/0");
assertThat(ip6prefix.toString(), is("::/0"));
ip6prefix =
new Ip6Prefix("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128");
assertThat(ip6prefix.toString(),
is("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/128"));
}
}