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.composite;
18  
19  import static org.junit.Assert.assertEquals;
20  
21  import org.apache.commons.functor.BaseFunctorTest;
22  import org.apache.commons.functor.BinaryPredicate;
23  import org.apache.commons.functor.core.Constant;
24  import org.apache.commons.functor.core.Identity;
25  import org.apache.commons.functor.core.LeftIdentity;
26  import org.apache.commons.functor.core.RightIdentity;
27  import org.junit.Test;
28  
29  /**
30   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
31   * @author Rodney Waldhoff
32   */
33  public class TestUnaryCompositeBinaryPredicate extends BaseFunctorTest {
34  
35      // Functor Testing Framework
36      // ------------------------------------------------------------------------
37  
38      protected Object makeFunctor() {
39          return new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
40                  RightIdentity.PREDICATE,
41                  Constant.FALSE,
42                  new Identity<Boolean>());
43      }
44  
45      // Tests
46      // ------------------------------------------------------------------------
47  
48      @Test
49      public void testEvaluate() throws Exception {
50          BinaryPredicate<Boolean, Boolean> f = new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
51                  RightIdentity.PREDICATE,
52                  Constant.FALSE,
53                  new Identity<Boolean>());
54          assertEquals(true,f.test(Boolean.TRUE,Boolean.TRUE));
55          assertEquals(true,f.test(null,Boolean.TRUE));
56      }
57  
58      @Test
59      public void testEquals() throws Exception {
60          BinaryPredicate<Boolean, Boolean> f = new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
61                  LeftIdentity.PREDICATE,
62                  Constant.TRUE,
63                  Constant.FALSE);
64          assertEquals(f,f);
65          assertObjectsAreEqual(f,new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
66                  LeftIdentity.PREDICATE,
67                  Constant.TRUE,
68                  Constant.FALSE));
69          assertObjectsAreNotEqual(f,new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
70                  RightIdentity.PREDICATE,
71                  Constant.TRUE,
72                  Constant.FALSE));
73          assertObjectsAreNotEqual(f,new UnaryCompositeBinaryPredicate<Boolean, Boolean>(
74                  LeftIdentity.PREDICATE,
75                  new Identity<Boolean>(),
76                  Constant.TRUE));
77      }
78  
79  }