/*
* 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.mavibot.btree.comparator;
import static org.junit.Assert.assertEquals;
import org.apache.directory.mavibot.btree.comparator.ByteArrayComparator;
import org.junit.Test;
/**
* Test the ByteArrayComparator class
*
* @author <a href="mailto:labs@labs.apache.org">Mavibot labs Project</a>
*/
public class ByteArrayComparatorTest
{
@Test
public void testByteArrayComparator()
{
ByteArrayComparator comparator = new ByteArrayComparator();
// Check equality
assertEquals( 0, comparator.compare( null, null ) );
assertEquals( 0, comparator.compare( new byte[]
{}, new byte[]
{} ) );
assertEquals( 0, comparator.compare( new byte[]
{ 0x01, 0x02 }, new byte[]
{ 0x01, 0x02 } ) );
// The first byte[] is > the second
assertEquals( 1, comparator.compare( new byte[]
{}, null ) );
assertEquals( 1, comparator.compare( new byte[]
{ 0x01 }, null ) );
assertEquals( 1, comparator.compare( new byte[]
{ 0x01, 0x02 }, new byte[]
{ 0x01, 0x01 } ) );
assertEquals( 1, comparator.compare( new byte[]
{ 0x01, 0x02, 0x01 }, new byte[]
{ 0x01, 0x02 } ) );
assertEquals( 1, comparator.compare( new byte[]
{ 0x01, 0x02 }, new byte[]
{ 0x01, 0x01, 0x02 } ) );
// The first byte[] is < the second
assertEquals( -1, comparator.compare( null, new byte[]
{} ) );
assertEquals( -1, comparator.compare( null, new byte[]
{ 0x01, 0x02 } ) );
assertEquals( -1, comparator.compare( null, new byte[]
{ ( byte ) 0xFF, 0x02 } ) );
assertEquals( -1, comparator.compare( new byte[]
{}, new byte[]
{ 0x01, 0x02 } ) );
assertEquals( -1, comparator.compare( new byte[]
{}, new byte[]
{ ( byte ) 0xFF, 0x02 } ) );
assertEquals( -1, comparator.compare( new byte[]
{ ( byte ) 0xFF, 0x01 }, new byte[]
{ 0x01, 0x01, 0x02 } ) );
byte[] array = new byte[3];
array[0] = 0x01;
array[1] = 0x02;
assertEquals( -1, comparator.compare( new byte[]
{ 0x01, 0x02 }, array ) );
}
}