| /* |
| * 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.junit.Test; |
| |
| |
| /** |
| * Test the CharArrayComparator class |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class CharArrayComparatorTest |
| { |
| @Test |
| public void testCharArrayComparator() |
| { |
| CharArrayComparator comparator = CharArrayComparator.INSTANCE; |
| |
| // 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 ) ); |
| } |
| } |