1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.functor.core.comparator;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertTrue;
21  
22  import org.apache.commons.functor.core.Constant;
23  import org.junit.Test;
24  
25  /**
26   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
27   * @author Rodney Waldhoff
28   */
29  public class TestIsEquivalent extends BaseComparisonPredicateTest {
30  
31      // Functor Testing Framework
32      // ------------------------------------------------------------------------
33  
34      protected Object makeFunctor() {
35          return IsEquivalent.INSTANCE;
36      }
37  
38      // Tests
39      // ------------------------------------------------------------------------
40  
41      @Test
42      public void testTest() throws Exception {
43          IsEquivalent<Integer> p = IsEquivalent.<Integer>instance();
44          assertTrue(!p.test(new Integer(2),new Integer(4)));
45          assertTrue(!p.test(new Integer(3),new Integer(4)));
46          assertTrue(p.test(new Integer(4),new Integer(4)));
47          assertTrue(!p.test(new Integer(5),new Integer(4)));
48          assertTrue(!p.test(new Integer(6),new Integer(4)));
49      }
50  
51      @Test
52      public void testInstance() {
53          assertTrue(IsEquivalent.instance("Xyzzy").test("Xyzzy"));
54          assertTrue(!IsEquivalent.instance("Xyzzy").test("z"));
55      }
56  
57      @Test
58      @SuppressWarnings("unchecked")
59      public void testEquals() throws Exception {
60          IsEquivalent<Comparable<?>> p = IsEquivalent.INSTANCE;
61          assertEquals(p,p);
62  
63          assertObjectsAreEqual(p,IsEquivalent.instance());
64          assertObjectsAreEqual(p,new IsEquivalent<Comparable<?>>(new ComparableComparator()));
65          assertObjectsAreNotEqual(p,Constant.FALSE);
66      }
67  
68  }