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Java > Open Source Codes > org > apache > commons > beanutils > BeanPredicateTestCase


1 /*
2  * Copyright 2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */

16  
17 package org.apache.commons.beanutils;
18
19 import junit.framework.TestCase;
20
21 import org.apache.commons.collections.functors.EqualPredicate;
22 import org.apache.commons.collections.functors.InstanceofPredicate;
23 import org.apache.commons.collections.functors.NotPredicate;
24 import org.apache.commons.collections.functors.NullPredicate;
25
26 public class BeanPredicateTestCase extends TestCase {
27    
28     public BeanPredicateTestCase(String JavaDoc name) {
29         super(name);
30     }
31
32     public void testEqual() {
33         BeanPredicate predicate =
34             new BeanPredicate("stringProperty",new EqualPredicate("foo"));
35         assertTrue(predicate.evaluate(new TestBean("foo")));
36         assertTrue(!predicate.evaluate(new TestBean("bar")));
37     }
38
39     public void testNotEqual() {
40         BeanPredicate predicate =
41             new BeanPredicate("stringProperty",new NotPredicate( new EqualPredicate("foo")));
42         assertTrue(!predicate.evaluate(new TestBean("foo")));
43         assertTrue(predicate.evaluate(new TestBean("bar")));
44     }
45
46     public void testInstanceOf() {
47         BeanPredicate predicate =
48             new BeanPredicate("stringProperty",new InstanceofPredicate( String JavaDoc.class ));
49         assertTrue(predicate.evaluate(new TestBean("foo")));
50         assertTrue(predicate.evaluate(new TestBean("bar")));
51     }
52
53     public void testNull() {
54         BeanPredicate predicate =
55             new BeanPredicate("stringProperty", NullPredicate.INSTANCE);
56         String JavaDoc nullString = null;
57         assertTrue(predicate.evaluate(new TestBean(nullString)));
58         assertTrue(!predicate.evaluate(new TestBean("bar")));
59     }
60
61 }
62
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