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.assertFalse;
021 import static org.junit.Assert.assertNotNull;
022 import static org.junit.Assert.assertNull;
023 import static org.junit.Assert.assertTrue;
024
025 import org.apache.commons.functor.BaseFunctorTest;
026 import org.apache.commons.functor.BinaryPredicate;
027 import org.apache.commons.functor.core.Constant;
028 import org.junit.Test;
029
030 /**
031 * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
032 * @author Rodney Waldhoff
033 */
034 public class TestBinaryFunctionBinaryPredicate extends BaseFunctorTest {
035
036 // Functor Testing Framework
037 // ------------------------------------------------------------------------
038
039 protected Object makeFunctor() {
040 return new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
041 }
042
043 // Tests
044 // ------------------------------------------------------------------------
045
046 @Test
047 public void testTestWhenTrue() throws Exception {
048 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
049 assertTrue(p.test(null,null));
050 }
051
052 @Test
053 public void testTestWhenFalse() throws Exception {
054 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.FALSE);
055 assertFalse(p.test(null,null));
056 }
057
058 @Test
059 public void testEquals() throws Exception {
060 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
061 assertEquals(p,p);
062 assertObjectsAreEqual(p,new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE));
063 assertObjectsAreNotEqual(p,Constant.truePredicate());
064 assertObjectsAreNotEqual(p,new BinaryFunctionBinaryPredicate<Object, Object>(Constant.FALSE));
065 }
066
067 @Test
068 public void testAdaptNull() throws Exception {
069 assertNull(BinaryFunctionBinaryPredicate.adapt(null));
070 }
071
072 @Test
073 public void testAdapt() throws Exception {
074 assertNotNull(BinaryFunctionBinaryPredicate.adapt(Constant.TRUE));
075 }
076 }