/tst/org/diffkit/common/tst/TestComparableComparator.groovy

 1/**
 2 * Copyright 2010-2011 Joseph Panico
 3 *
 4 * Licensed under the Apache License, Version 2.0 (the "License");
 5 * you may not use this file except in compliance with the License.
 6 * You may obtain a copy of the License at
 7 *
 8 *   http://www.apache.org/licenses/LICENSE-2.0
 9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16package org.diffkit.common.tst
17
18
19import org.diffkit.common.DKComparableComparator;
20
21import groovy.util.GroovyTestCase;
22
23
24/**
25 * @author jpanico
26 */
27public class TestComparableComparator extends GroovyTestCase {
28	
29	public void testCompare(){
30		
31		assert DKComparableComparator.instance.compare(3,3) == 0
32		assert DKComparableComparator.instance.compare(3,null) > 0
33		assert DKComparableComparator.instance.compare(null,3) < 0
34		assert DKComparableComparator.instance.compare(null,null) == 0
35		
36		assert DKComparableComparator.instance.compare('aaaa','aaaa') == 0
37		assert DKComparableComparator.instance.compare('aaaa','bbbb') <0
38		assert DKComparableComparator.instance.compare('bbbb','aaaa') >0
39		
40	}
41	
42}