/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.directory.api.ldap.model.schema.comparators;
import static org.junit.Assert.assertEquals;
import com.mycila.junit.concurrent.Concurrency;
import com.mycila.junit.concurrent.ConcurrentJunitRunner;
import org.apache.directory.api.ldap.model.csn.Csn;
import org.apache.directory.api.ldap.model.schema.comparators.CsnComparator;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
/**
* Test the CSN comparator
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
@RunWith(ConcurrentJunitRunner.class)
@Concurrency()
public class CsnComparatorTest
{
private CsnComparator comparator;
@Before
public void init()
{
comparator = new CsnComparator( null );
}
@Test
public void testNullCSNs()
{
assertEquals( 0, comparator.compare( null, null ) );
Csn csn2 = new Csn( System.currentTimeMillis(), 1, 1, 1 );
assertEquals( -1, comparator.compare( null, csn2.toString() ) );
assertEquals( 1, comparator.compare( csn2.toString(), null ) );
}
@Test
public void testEqualsCSNs()
{
long t0 = System.currentTimeMillis();
Csn csn1 = new Csn( t0, 0, 0, 0 );
Csn csn2 = new Csn( t0, 0, 0, 0 );
assertEquals( 0, comparator.compare( csn1.toString(), csn2.toString() ) );
}
@Test
public void testDifferentTimeStampCSNs()
{
long t0 = System.currentTimeMillis();
long t1 = System.currentTimeMillis() + 1000;
Csn csn1 = new Csn( t0, 0, 0, 0 );
Csn csn2 = new Csn( t1, 0, 0, 0 );
assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
}
@Test
public void testDifferentChangeCountCSNs()
{
long t0 = System.currentTimeMillis();
Csn csn1 = new Csn( t0, 0, 0, 0 );
Csn csn2 = new Csn( t0, 1, 0, 0 );
assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
}
@Test
public void testDifferentReplicaIdCSNs()
{
long t0 = System.currentTimeMillis();
Csn csn1 = new Csn( t0, 0, 0, 0 );
Csn csn2 = new Csn( t0, 0, 1, 0 );
assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
}
@Test
public void testDifferentOperationNumberCSNs()
{
long t0 = System.currentTimeMillis();
Csn csn1 = new Csn( t0, 0, 0, 0 );
Csn csn2 = new Csn( t0, 0, 0, 1 );
assertEquals( -1, comparator.compare( csn1.toString(), csn2.toString() ) );
assertEquals( 1, comparator.compare( csn2.toString(), csn1.toString() ) );
}
}