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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.onosproject.net;
import org.junit.Test;
import static org.hamcrest.CoreMatchers.allOf;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.onlab.junit.ImmutableClassChecker.assertThatClassIsImmutable;
import static org.onosproject.net.DeviceId.deviceId;
import static org.onosproject.net.PortNumber.portNumber;
/**
* Unit tests for the LinkKey class.
*/
public class LinkKeyTest {
static final DeviceId D1 = deviceId("1");
static final DeviceId D2 = deviceId("2");
static final PortNumber P1 = portNumber(1);
static final PortNumber P2 = portNumber(2);
static final ConnectPoint SRC1 = new ConnectPoint(D1, P1);
static final ConnectPoint DST1 = new ConnectPoint(D2, P1);
static final ConnectPoint DST2 = new ConnectPoint(D2, P2);
/**
* Checks that the LinkKey class is immutable.
*/
@Test
public void testLinkKeyImmutability() {
assertThatClassIsImmutable(LinkKey.class);
}
/**
* Check null source connection.
*/
@Test(expected = NullPointerException.class)
public void testNullSrc() {
LinkKey key = LinkKey.linkKey(null, DST1);
}
/**
* Check null destination connection.
*/
@Test(expected = NullPointerException.class)
public void testNullDst() {
LinkKey key = LinkKey.linkKey(SRC1, null);
}
/**
* Check that two LinkKeys based on the same source/destination pair compare
* equal.
*/
@Test
public void testCompareEquals() {
LinkKey k1 = LinkKey.linkKey(SRC1, DST2);
LinkKey k2 = LinkKey.linkKey(SRC1, DST2);
assertThat(k1, is(equalTo(k2)));
}
/**
* Check that two LinkKeys based on different source/destination pairs compare
* not equal.
*/
@Test
public void testCompareNotEquals() {
LinkKey k1 = LinkKey.linkKey(SRC1, DST1);
LinkKey k2 = LinkKey.linkKey(SRC1, DST2);
assertThat(k1, is(not(equalTo(k2))));
assertThat(k1, is(not(equalTo(new Object()))));
}
/**
* Check that two LinkKeys based on the same source/destination pair compare
* equal.
*/
@Test
public void testHashCodeEquals() {
LinkKey k1 = LinkKey.linkKey(SRC1, DST2);
LinkKey k2 = LinkKey.linkKey(SRC1, DST2);
assertThat(k1.hashCode(), is(equalTo(k2.hashCode())));
}
/**
* Check that two LinkKeys based on different source/destination pairs compare
* not equal.
*/
@Test
public void testHashCodeNotEquals() {
LinkKey k1 = LinkKey.linkKey(SRC1, DST1);
LinkKey k2 = LinkKey.linkKey(SRC1, DST2);
assertThat(k1.hashCode(), is(not(equalTo(k2.hashCode()))));
}
/**
* Check the toString() method of LinkKey.
*/
@Test
public void testToString() {
LinkKey k1 = LinkKey.linkKey(SRC1, DST1);
String k1String = k1.toString();
assertThat(k1String, allOf(containsString("LinkKey{"),
containsString("src=ConnectPoint{elementId=1, portNumber=1}"),
containsString("dst=ConnectPoint{elementId=2, portNumber=1}")));
}
}
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