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.assertNotNull;
21  import static org.junit.Assert.assertNull;
22  import static org.junit.Assert.assertTrue;
23  
24  import org.apache.commons.functor.BaseFunctorTest;
25  import org.apache.commons.functor.Predicate;
26  import org.apache.commons.functor.core.Constant;
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 TestFunctionPredicate extends BaseFunctorTest {
34  
35      // Functor Testing Framework
36      // ------------------------------------------------------------------------
37  
38      protected Object makeFunctor() {
39          return new FunctionPredicate(Constant.TRUE);
40      }
41  
42      // Tests
43      // ------------------------------------------------------------------------
44  
45      @Test
46      public void testTestWhenTrue() throws Exception {
47          Predicate p = new FunctionPredicate(Constant.TRUE);
48          assertTrue(p.test());
49      }
50  
51      @Test
52      public void testTestWhenFalse() throws Exception {
53          Predicate p = new FunctionPredicate(Constant.FALSE);
54          assertTrue(!p.test());
55      }
56  
57      @Test
58      public void testEquals() throws Exception {
59          Predicate p = new FunctionPredicate(Constant.TRUE);
60          assertEquals(p,p);
61          assertObjectsAreEqual(p,new FunctionPredicate(Constant.TRUE));
62          assertObjectsAreNotEqual(p,Constant.TRUE);
63          assertObjectsAreNotEqual(p,new FunctionPredicate(Constant.FALSE));
64      }
65  
66      @Test
67      public void testAdaptNull() throws Exception {
68          assertNull(FunctionPredicate.adapt(null));
69      }
70  
71      @Test
72      public void testAdapt() throws Exception {
73          assertNotNull(FunctionPredicate.adapt(Constant.TRUE));
74      }
75  }