    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  }