/*
* Copyright 2008-2009 LinkedIn, Inc
*
* 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.sdnplatform.sync;
import static org.junit.Assert.*;
import org.junit.Test;
import org.sdnplatform.sync.Versioned;
import org.sdnplatform.sync.internal.TUtils;
import org.sdnplatform.sync.internal.version.VectorClock;
public class VersionedTest {
long now = System.currentTimeMillis();
private Versioned<Integer> getVersioned(Integer value,
int... versionIncrements) {
return new Versioned<Integer>(value,
TUtils.getClockT(now, versionIncrements));
}
public void mustHaveVersion() {
try {
new Versioned<Integer>(1, null);
fail("Successfully created Versioned with null version.");
} catch(NullPointerException e) {
// this is good
}
}
@Test
public void testEquals() {
assertEquals("Null versioneds not equal.", getVersioned(null), getVersioned(null));
assertEquals("equal versioneds not equal.", getVersioned(1), getVersioned(1));
assertEquals("equal versioneds not equal.", getVersioned(1, 1, 2), getVersioned(1, 1, 2));
assertTrue("Equals values with different version are equal!",
!getVersioned(1, 1, 2).equals(getVersioned(1, 1, 2, 2)));
assertTrue("Different values with same version are equal!",
!getVersioned(1, 1, 2).equals(getVersioned(2, 1, 2)));
assertTrue("Different values with different version are equal!",
!getVersioned(1, 1, 2).equals(getVersioned(2, 1, 1, 2)));
// Should work for array types too!
assertEquals("Equal arrays are not equal!",
new Versioned<byte[]>(new byte[] { 1 },
new VectorClock(now)),
new Versioned<byte[]>(new byte[] { 1 },
new VectorClock(now)));
}
@Test
public void testClone() {
Versioned<Integer> v1 = getVersioned(2, 1, 2, 3);
Versioned<Integer> v2 = v1.cloneVersioned();
assertEquals(v1, v2);
assertTrue(v1 != v2);
assertTrue(v1.getVersion() != v2.getVersion());
v2.increment(1, System.currentTimeMillis());
assertTrue(!v1.equals(v2));
}
}