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.UnaryPredicate;
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 TestPredicateUnaryPredicate extends BaseFunctorTest {
034
035 // Functor Testing Framework
036 // ------------------------------------------------------------------------
037
038 protected Object makeFunctor() {
039 return new PredicateUnaryPredicate<Object>(Constant.TRUE);
040 }
041
042 // Tests
043 // ------------------------------------------------------------------------
044
045 @Test
046 public void testEvaluate() throws Exception {
047 UnaryPredicate<Object> p = new PredicateUnaryPredicate<Object>(Constant.TRUE);
048 assertTrue(p.test(null));
049 }
050
051 @Test
052 public void testEquals() throws Exception {
053 UnaryPredicate<Object> p = new PredicateUnaryPredicate<Object>(Constant.TRUE);
054 assertEquals(p,p);
055 assertObjectsAreEqual(p,new PredicateUnaryPredicate<Object>(Constant.TRUE));
056 assertObjectsAreNotEqual(p,Constant.TRUE);
057 assertObjectsAreNotEqual(p,new PredicateUnaryPredicate<Object>(Constant.FALSE));
058 assertObjectsAreNotEqual(p,Constant.FALSE);
059 }
060
061 @Test
062 public void testAdaptNull() throws Exception {
063 assertNull(PredicateUnaryPredicate.adapt(null));
064 }
065
066 @Test
067 public void testAdapt() throws Exception {
068 assertNotNull(PredicateUnaryPredicate.adapt(Constant.TRUE));
069 }
070 }