001 /*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements. See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License. You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017 package org.apache.commons.functor.adapter;
018
019 import static org.junit.Assert.assertEquals;
020 import static org.junit.Assert.assertNotNull;
021 import static org.junit.Assert.assertNull;
022 import static org.junit.Assert.assertTrue;
023
024 import org.apache.commons.functor.BaseFunctorTest;
025 import org.apache.commons.functor.Predicate;
026 import org.apache.commons.functor.core.Constant;
027 import org.junit.Test;
028
029 /**
030 * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
031 * @author Rodney Waldhoff
032 */
033 public class TestFunctionPredicate extends BaseFunctorTest {
034
035 // Functor Testing Framework
036 // ------------------------------------------------------------------------
037
038 protected Object makeFunctor() {
039 return new FunctionPredicate(Constant.TRUE);
040 }
041
042 // Tests
043 // ------------------------------------------------------------------------
044
045 @Test
046 public void testTestWhenTrue() throws Exception {
047 Predicate p = new FunctionPredicate(Constant.TRUE);
048 assertTrue(p.test());
049 }
050
051 @Test
052 public void testTestWhenFalse() throws Exception {
053 Predicate p = new FunctionPredicate(Constant.FALSE);
054 assertTrue(!p.test());
055 }
056
057 @Test
058 public void testEquals() throws Exception {
059 Predicate p = new FunctionPredicate(Constant.TRUE);
060 assertEquals(p,p);
061 assertObjectsAreEqual(p,new FunctionPredicate(Constant.TRUE));
062 assertObjectsAreNotEqual(p,Constant.TRUE);
063 assertObjectsAreNotEqual(p,new FunctionPredicate(Constant.FALSE));
064 }
065
066 @Test
067 public void testAdaptNull() throws Exception {
068 assertNull(FunctionPredicate.adapt(null));
069 }
070
071 @Test
072 public void testAdapt() throws Exception {
073 assertNotNull(FunctionPredicate.adapt(Constant.TRUE));
074 }
075 }