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.UnaryPredicate;
027 import org.apache.commons.functor.core.Constant;
028 import org.apache.commons.functor.core.IsNotSame;
029 import org.apache.commons.functor.core.IsSame;
030 import org.junit.Test;
031
032 /**
033 * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
034 * @author Matt Benson
035 */
036 public class TestBinaryPredicateUnaryPredicate extends BaseFunctorTest {
037
038 // Functor Testing Framework
039 // ------------------------------------------------------------------------
040
041 protected Object makeFunctor() {
042 return new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
043 }
044
045 // Tests
046 // ------------------------------------------------------------------------
047
048 @Test
049 public void testTestWhenTrue() throws Exception {
050 UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
051 assertTrue(p.test(null));
052 }
053
054 @Test
055 public void testTestWhenFalse() throws Exception {
056 UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsNotSame.INSTANCE);
057 assertFalse(p.test(null));
058 }
059
060 @Test
061 public void testEquals() throws Exception {
062 UnaryPredicate<Object> p = new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE);
063 assertEquals(p, p);
064 assertObjectsAreEqual(p, new BinaryPredicateUnaryPredicate<Object>(IsSame.INSTANCE));
065 assertObjectsAreNotEqual(p, Constant.truePredicate());
066 assertObjectsAreNotEqual(p, new BinaryPredicateUnaryPredicate<Object>(IsNotSame.INSTANCE));
067 }
068
069 @Test
070 public void testAdaptNull() throws Exception {
071 assertNull(BinaryPredicateUnaryPredicate.adapt(null));
072 }
073
074 @Test
075 public void testAdapt() throws Exception {
076 assertNotNull(BinaryPredicateUnaryPredicate.adapt(Constant.TRUE));
077 }
078 }