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