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.comparator;
18
19 import static org.junit.Assert.fail;
20
21 import org.apache.commons.functor.BaseFunctorTest;
22 import org.apache.commons.functor.BinaryPredicate;
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 abstract class BaseComparisonPredicateTest extends BaseFunctorTest {
30
31 // Tests
32 // ------------------------------------------------------------------------
33
34 @Test
35 public final void testTestNull() throws Exception {
36 @SuppressWarnings("unchecked")
37 BinaryPredicate<Object, Object> p = (BinaryPredicate<Object, Object>)(makeFunctor());
38 try {
39 p.test(new Integer(2),null);
40 fail("Expected NullPointerException");
41 } catch(NullPointerException e) {
42 // expected
43 }
44 try {
45 p.test(null,new Integer(2));
46 fail("Expected NullPointerException");
47 } catch(NullPointerException e) {
48 // expected
49 }
50 try {
51 p.test(null,null);
52 fail("Expected NullPointerException");
53 } catch(NullPointerException e) {
54 // expected
55 }
56 }
57
58 @Test
59 public final void testTestNonComparable() throws Exception {
60 @SuppressWarnings("unchecked")
61 BinaryPredicate<Object, Object> p = (BinaryPredicate<Object, Object>)(makeFunctor());
62 try {
63 p.test(new Integer(2),new Object());
64 fail("Expected ClassCastException");
65 } catch(ClassCastException e) {
66 // expected
67 }
68 try {
69 p.test(new Object(),new Integer(2));
70 fail("Expected ClassCastException");
71 } catch(ClassCastException e) {
72 // expected
73 }
74 try {
75 p.test(new Object(),new Object());
76 fail("Expected ClassCastException");
77 } catch(ClassCastException e) {
78 // expected
79 }
80 }
81
82 }