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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.store.impl;
import static org.junit.Assert.*;
import java.nio.ByteBuffer;
import org.junit.Test;
import org.onosproject.store.Timestamp;
import org.onlab.util.KryoNamespace;
import com.google.common.testing.EqualsTester;
/**
* Test of {@link Timestamped}.
*/
public class TimestampedTest {
private static final Timestamp TS_1_1 = new MastershipBasedTimestamp(1, 1);
private static final Timestamp TS_1_2 = new MastershipBasedTimestamp(1, 2);
private static final Timestamp TS_2_1 = new MastershipBasedTimestamp(2, 1);
@Test
public final void testHashCode() {
Timestamped<String> a = new Timestamped<>("a", TS_1_1);
Timestamped<String> b = new Timestamped<>("b", TS_1_1);
assertTrue("value does not impact hashCode",
a.hashCode() == b.hashCode());
}
@Test
public final void testEquals() {
Timestamped<String> a = new Timestamped<>("a", TS_1_1);
Timestamped<String> b = new Timestamped<>("b", TS_1_1);
assertTrue("value does not impact equality",
a.equals(b));
new EqualsTester()
.addEqualityGroup(new Timestamped<>("a", TS_1_1),
new Timestamped<>("b", TS_1_1),
new Timestamped<>("c", TS_1_1))
.addEqualityGroup(new Timestamped<>("a", TS_1_2),
new Timestamped<>("b", TS_1_2),
new Timestamped<>("c", TS_1_2))
.addEqualityGroup(new Timestamped<>("a", TS_2_1),
new Timestamped<>("b", TS_2_1),
new Timestamped<>("c", TS_2_1))
.testEquals();
}
@Test
public final void testValue() {
final Integer n = 42;
Timestamped<Integer> tsv = new Timestamped<>(n, TS_1_1);
assertSame(n, tsv.value());
}
@Test(expected = NullPointerException.class)
public final void testValueNonNull() {
new Timestamped<>(null, TS_1_1);
}
@Test(expected = NullPointerException.class)
public final void testTimestampNonNull() {
new Timestamped<>("Foo", null);
}
@Test
public final void testIsNewer() {
Timestamped<String> a = new Timestamped<>("a", TS_1_2);
Timestamped<String> b = new Timestamped<>("b", TS_1_1);
assertTrue(a.isNewer(b));
assertFalse(b.isNewer(a));
}
@Test
public final void testKryoSerializable() {
final ByteBuffer buffer = ByteBuffer.allocate(1 * 1024 * 1024);
final KryoNamespace kryos = KryoNamespace.newBuilder()
.register(Timestamped.class,
MastershipBasedTimestamp.class)
.build();
Timestamped<String> original = new Timestamped<>("foobar", TS_1_1);
kryos.serialize(original, buffer);
buffer.flip();
Timestamped<String> copy = kryos.deserialize(buffer);
new EqualsTester()
.addEqualityGroup(original, copy)
.testEquals();
}
}
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