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;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertTrue;
21  
22  import org.apache.commons.functor.BaseFunctorTest;
23  import org.apache.commons.functor.BinaryPredicate;
24  import org.junit.Test;
25  
26  /**
27   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
28   * @author Rodney Waldhoff
29   */
30  public class TestIsNotEqual extends BaseFunctorTest {
31  
32      // Functor Testing Framework
33      // ------------------------------------------------------------------------
34  
35      protected Object makeFunctor() {
36          return new IsNotEqual<Object, Object>();
37      }
38  
39      // Tests
40      // ------------------------------------------------------------------------
41  
42      @Test
43      public void testTest() throws Exception {
44          IsNotEqual<Object, Object> p = new IsNotEqual<Object, Object>();
45          assertTrue("For symmetry, two nulls should be equal",!p.test(null,null));
46          assertTrue(!p.test("foo","foo"));
47          assertTrue(p.test(null,"foo"));
48          assertTrue(p.test("foo",null));
49          assertTrue(!p.test(new Integer(3),new Integer(3)));
50          assertTrue(p.test(null,new Integer(3)));
51          assertTrue(p.test(new Integer(3),null));
52  
53          assertTrue(p.test(new Integer(3),new Integer(4)));
54          assertTrue(p.test(new Integer(4),new Integer(3)));
55          assertTrue(p.test("3",new Integer(3)));
56          assertTrue(p.test(new Integer(3),"3"));
57      }
58  
59      @Test
60      public void testEquals() throws Exception {
61          BinaryPredicate<Object, Object> p = new IsNotEqual<Object, Object>();
62          assertEquals(p,p);
63          assertObjectsAreEqual(p,new IsNotEqual<Object, Object>());
64          assertObjectsAreEqual(p,IsNotEqual.instance());
65          assertObjectsAreNotEqual(p,Constant.truePredicate());
66      }
67  
68      @Test
69      public void testConstant() throws Exception {
70          assertEquals(IsNotEqual.instance(),IsNotEqual.instance());
71      }
72  }