Source code: org/apache/commons/beanutils/BeanPredicateTestCase.java
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 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.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 nullString = null;
57 assertTrue(predicate.evaluate(new TestBean(nullString)));
58 assertTrue(!predicate.evaluate(new TestBean("bar")));
59 }
60
61 }