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/*
* Copyright 2014-2015 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.onosproject.routing;
import org.hamcrest.Matchers;
import org.junit.Test;
import org.onlab.packet.Ip4Address;
import org.onlab.packet.Ip4Prefix;
import static org.hamcrest.Matchers.is;
import static org.hamcrest.Matchers.not;
import static org.junit.Assert.assertThat;
/**
* Unit tests for the RouteEntry class.
*/
public class RouteEntryTest {
/**
* Tests valid class constructor.
*/
@Test
public void testConstructor() {
Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
assertThat(routeEntry.toString(),
is("RouteEntry{prefix=1.2.3.0/24, nextHop=5.6.7.8}"));
}
/**
* Tests invalid class constructor for null IPv4 prefix.
*/
@Test(expected = NullPointerException.class)
public void testInvalidConstructorNullPrefix() {
Ip4Prefix prefix = null;
Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
new RouteEntry(prefix, nextHop);
}
/**
* Tests invalid class constructor for null IPv4 next-hop.
*/
@Test(expected = NullPointerException.class)
public void testInvalidConstructorNullNextHop() {
Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop = null;
new RouteEntry(prefix, nextHop);
}
/**
* Tests getting the fields of a route entry.
*/
@Test
public void testGetFields() {
Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
assertThat(routeEntry.prefix(), is(prefix));
assertThat(routeEntry.nextHop(), is(nextHop));
}
/**
* Tests creating a binary string from IPv4 prefix.
*/
@Test
public void testCreateBinaryString() {
Ip4Prefix prefix;
prefix = Ip4Prefix.valueOf("0.0.0.0/0");
assertThat(RouteEntry.createBinaryString(prefix), is(""));
prefix = Ip4Prefix.valueOf("192.168.166.0/22");
assertThat(RouteEntry.createBinaryString(prefix),
is("1100000010101000101001"));
prefix = Ip4Prefix.valueOf("192.168.166.0/23");
assertThat(RouteEntry.createBinaryString(prefix),
is("11000000101010001010011"));
prefix = Ip4Prefix.valueOf("192.168.166.0/24");
assertThat(RouteEntry.createBinaryString(prefix),
is("110000001010100010100110"));
prefix = Ip4Prefix.valueOf("130.162.10.1/25");
assertThat(RouteEntry.createBinaryString(prefix),
is("1000001010100010000010100"));
prefix = Ip4Prefix.valueOf("255.255.255.255/32");
assertThat(RouteEntry.createBinaryString(prefix),
is("11111111111111111111111111111111"));
}
/**
* Tests equality of {@link RouteEntry}.
*/
@Test
public void testEquality() {
Ip4Prefix prefix1 = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop1 = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry1 = new RouteEntry(prefix1, nextHop1);
Ip4Prefix prefix2 = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop2 = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry2 = new RouteEntry(prefix2, nextHop2);
assertThat(routeEntry1, is(routeEntry2));
}
/**
* Tests non-equality of {@link RouteEntry}.
*/
@Test
public void testNonEquality() {
Ip4Prefix prefix1 = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop1 = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry1 = new RouteEntry(prefix1, nextHop1);
Ip4Prefix prefix2 = Ip4Prefix.valueOf("1.2.3.0/25"); // Different
Ip4Address nextHop2 = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry2 = new RouteEntry(prefix2, nextHop2);
Ip4Prefix prefix3 = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop3 = Ip4Address.valueOf("5.6.7.9"); // Different
RouteEntry routeEntry3 = new RouteEntry(prefix3, nextHop3);
assertThat(routeEntry1, Matchers.is(not(routeEntry2)));
assertThat(routeEntry1, Matchers.is(not(routeEntry3)));
}
/**
* Tests object string representation.
*/
@Test
public void testToString() {
Ip4Prefix prefix = Ip4Prefix.valueOf("1.2.3.0/24");
Ip4Address nextHop = Ip4Address.valueOf("5.6.7.8");
RouteEntry routeEntry = new RouteEntry(prefix, nextHop);
assertThat(routeEntry.toString(),
is("RouteEntry{prefix=1.2.3.0/24, nextHop=5.6.7.8}"));
}
}
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