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.adapter;
18  
19  import static org.junit.Assert.assertEquals;
20  import static org.junit.Assert.assertFalse;
21  import static org.junit.Assert.assertNotNull;
22  import static org.junit.Assert.assertNull;
23  import static org.junit.Assert.assertTrue;
24  
25  import org.apache.commons.functor.BaseFunctorTest;
26  import org.apache.commons.functor.UnaryPredicate;
27  import org.apache.commons.functor.core.Constant;
28  import org.apache.commons.functor.core.IsNotSame;
29  import org.apache.commons.functor.core.IsSame;
30  import org.junit.Test;
31  
32  /**
33   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
34   * @author Matt Benson
35   */
36  public class TestBinaryPredicateUnaryPredicate extends BaseFunctorTest {
37  
38      // Functor Testing Framework
39      // ------------------------------------------------------------------------
40  
41      protected Object makeFunctor() {
42          return new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
43      }
44  
45      // Tests
46      // ------------------------------------------------------------------------
47  
48      @Test
49      public void testTestWhenTrue() throws Exception {
50          UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
51          assertTrue(p.test(null));
52      }
53  
54      @Test
55      public void testTestWhenFalse() throws Exception {
56          UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsNotSame.INSTANCE);
57          assertFalse(p.test(null));
58      }
59  
60      @Test
61      public void testEquals() throws Exception {
62          UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
63          assertEquals(p, p);
64          assertObjectsAreEqual(p, new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE));
65          assertObjectsAreNotEqual(p, Constant.truePredicate());
66          assertObjectsAreNotEqual(p, new BinaryPredicateUnaryPredicate<Object>(IsNotSame.INSTANCE));
67      }
68  
69      @Test
70      public void testAdaptNull() throws Exception {
71          assertNull(BinaryPredicateUnaryPredicate.adapt(null));
72      }
73  
74      @Test
75      public void testAdapt() throws Exception {
76          assertNotNull(BinaryPredicateUnaryPredicate.adapt(Constant.TRUE));
77      }
78  }