1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 * 19 */ 20 package org.apache.directory.mavibot.btree.comparator; 21 22 23 import static org.junit.Assert.assertEquals; 24 25 import org.junit.Test; 26 27 28 /** 29 * Test the CharComparator class 30 * 31 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 32 */ 33 public class CharComparatorTest 34 { 35 @Test 36 public void testCharComparator() 37 { 38 CharComparator comparator = new CharComparator(); 39 40 assertEquals( 0, comparator.compare( null, null ) ); 41 assertEquals( 0, comparator.compare( 'a', 'a' ) ); 42 assertEquals( 0, comparator.compare( '\u00e9', '\u00e9' ) ); 43 assertEquals( 1, comparator.compare( 'a', null ) ); 44 assertEquals( -1, comparator.compare( 'A', 'a' ) ); 45 assertEquals( 1, comparator.compare( 'a', 'A' ) ); 46 assertEquals( -1, comparator.compare( null, 'a' ) ); 47 assertEquals( -1, comparator.compare( 'a', 'b' ) ); 48 } 49 }