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.core.Constant;
23  import org.junit.Test;
24  
25  /**
26   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
27   * @author Rodney Waldhoff
28   */
29  public class TestConditionalFunction extends BaseFunctorTest {
30  
31      // Functor Testing Framework
32      // ------------------------------------------------------------------------
33  
34      protected Object makeFunctor() {
35          return new ConditionalFunction<Object>(
36              Constant.TRUE,
37              Constant.of("left"),
38              Constant.of("right"));
39      }
40  
41      // Tests
42      // ------------------------------------------------------------------------
43  
44      @Test
45      public void testEvaluate() throws Exception {
46          {
47              ConditionalFunction<Object> f = new ConditionalFunction<Object>(
48                  Constant.TRUE,
49                  Constant.of("left"),
50                  Constant.of("right"));
51              assertEquals("left",f.evaluate());
52          }
53          {
54              ConditionalFunction<Object> f = new ConditionalFunction<Object>(
55                  Constant.FALSE,
56                  Constant.of("left"),
57                  Constant.of("right"));
58              assertEquals("right",f.evaluate());
59          }
60      }
61  
62      @Test
63      public void testEquals() throws Exception {
64          ConditionalFunction<Object> f = new ConditionalFunction<Object>(
65              Constant.TRUE,
66              Constant.of("left"),
67              Constant.of("right"));
68          assertEquals(f,f);
69          assertObjectsAreEqual(f,new ConditionalFunction<Object>(
70              Constant.TRUE,
71              Constant.of("left"),
72              Constant.of("right")));
73          assertObjectsAreNotEqual(f,new ConditionalFunction<Object>(
74              Constant.TRUE,
75              Constant.of(null),
76              Constant.of("right")));
77          assertObjectsAreNotEqual(f,new ConditionalFunction<Object>(
78              Constant.TRUE,
79              Constant.of("left"),
80              Constant.of(null)));
81      }
82  }