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.*;
20  
21  import org.apache.commons.functor.BaseFunctorTest;
22  import org.apache.commons.functor.BinaryFunction;
23  import org.apache.commons.functor.BinaryProcedure;
24  import org.apache.commons.functor.core.Constant;
25  import org.apache.commons.functor.core.NoOp;
26  import org.junit.Test;
27  
28  /**
29   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
30   * @author Rodney Waldhoff
31   */
32  public class TestBinaryProcedureBinaryFunction extends BaseFunctorTest {
33  
34      // Functor Testing Framework
35      // ------------------------------------------------------------------------
36  
37      protected Object makeFunctor() {
38          return new BinaryProcedureBinaryFunction<Object, Object, Object>(NoOp.instance());
39      }
40  
41      // Tests
42      // ------------------------------------------------------------------------
43  
44      @Test
45      public void testEvaluate() throws Exception {
46          BinaryFunction<Object, Object, Object> f = new BinaryProcedureBinaryFunction<Object, Object, Object>(NoOp.instance());
47          assertNull(f.evaluate(null,null));
48      }
49  
50      @Test
51      public void testEquals() throws Exception {
52          BinaryFunction<Object, Object, Object> f = new BinaryProcedureBinaryFunction<Object, Object, Object>(new NoOp());
53          assertEquals(f,f);
54          assertObjectsAreEqual(f,new BinaryProcedureBinaryFunction<Object, Object, Object>(new NoOp()));
55          assertObjectsAreNotEqual(f,Constant.of("x"));
56          assertObjectsAreNotEqual(f, new BinaryProcedureBinaryFunction<Object, Object, Object>(
57                  new BinaryProcedure<Object, Object>() {
58                      public void run(Object a, Object b) {
59                      }
60                  }));
61          assertObjectsAreNotEqual(f,Constant.of(null));
62      }
63  
64      @Test
65      public void testAdaptNull() throws Exception {
66          assertNull(BinaryFunctionBinaryProcedure.adapt(null));
67      }
68  
69      @Test
70      public void testAdapt() throws Exception {
71          assertNotNull(BinaryProcedureBinaryFunction.adapt(NoOp.instance()));
72      }
73  }