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