/*
* 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.CharArrayComparator;
import org.junit.Test;
/**
* Test the CharArrayComparator class
*
* @author <a href="mailto:labs@labs.apache.org">Mavibot labs Project</a>
*/
public class CharArrayComparatorTest
{
@Test
public void testCharArrayComparator()
{
CharArrayComparator comparator = new CharArrayComparator();
// Check equality
assertEquals( 0, comparator.compare( null, null ) );
assertEquals( 0, comparator.compare( new char[]
{}, new char[]
{} ) );
assertEquals( 0, comparator.compare( new char[]
{ 'a', 'b' }, new char[]
{ 'a', 'b' } ) );
// The first char[] is > the second
assertEquals( 1, comparator.compare( new char[]
{}, null ) );
assertEquals( 1, comparator.compare( new char[]
{ 'a' }, null ) );
assertEquals( 1, comparator.compare( new char[]
{ 'a', 'b' }, new char[]
{ 'a', 'a' } ) );
assertEquals( 1, comparator.compare( new char[]
{ 'a', 'b', 'a' }, new char[]
{ 'a', 'b' } ) );
assertEquals( 1, comparator.compare( new char[]
{ 'a', 'b' }, new char[]
{ 'a', 'a', 'b' } ) );
// The first char[] is < the second
assertEquals( -1, comparator.compare( null, new char[]
{} ) );
assertEquals( -1, comparator.compare( null, new char[]
{ 'a', 'b' } ) );
assertEquals( -1, comparator.compare( null, new char[]
{ '\uffff', 'b' } ) );
assertEquals( -1, comparator.compare( new char[]
{}, new char[]
{ 'a', 'b' } ) );
assertEquals( -1, comparator.compare( new char[]
{}, new char[]
{ '\uffff', 'b' } ) );
assertEquals( -1, comparator.compare( new char[]
{ '0', 'a' }, new char[]
{ 'a', 'a', 'b' } ) );
char[] array = new char[3];
array[0] = 'a';
array[1] = 'b';
assertEquals( -1, comparator.compare( new char[]
{ 'a', 'b' }, array ) );
}
}