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 */
017package org.apache.commons.functor.adapter;
018
019import static org.junit.Assert.assertEquals;
020import static org.junit.Assert.assertFalse;
021import static org.junit.Assert.assertNotNull;
022import static org.junit.Assert.assertNull;
023import static org.junit.Assert.assertTrue;
024
025import org.apache.commons.functor.BaseFunctorTest;
026import org.apache.commons.functor.Predicate;
027import org.apache.commons.functor.core.Constant;
028import org.apache.commons.functor.core.IsNotSame;
029import org.apache.commons.functor.core.IsSame;
030import org.junit.Test;
031
032/**
033 * @version $Revision: 1345136 $ $Date: 2012-06-01 09:47:06 -0300 (Fri, 01 Jun 2012) $
034 */
035public class TestBinaryPredicatePredicate extends BaseFunctorTest {
036
037    // Functor Testing Framework
038    // ------------------------------------------------------------------------
039
040    @Override
041    protected Object makeFunctor() {
042        return new BinaryPredicatePredicate<Object>(IsSame.INSTANCE);
043    }
044
045    // Tests
046    // ------------------------------------------------------------------------
047
048    @Test
049    public void testTestWhenTrue() throws Exception {
050        Predicate<Object> p = new BinaryPredicatePredicate<Object>(IsSame.INSTANCE);
051        assertTrue(p.test(null));
052    }
053
054    @Test
055    public void testTestWhenFalse() throws Exception {
056        Predicate<Object> p = new BinaryPredicatePredicate<Object>(IsNotSame.INSTANCE);
057        assertFalse(p.test(null));
058    }
059
060    @Test
061    public void testEquals() throws Exception {
062        Predicate<Object> p = new BinaryPredicatePredicate<Object>(IsSame.INSTANCE);
063        assertEquals(p, p);
064        assertObjectsAreEqual(p, new BinaryPredicatePredicate<Object>(IsSame.INSTANCE));
065        assertObjectsAreNotEqual(p, Constant.truePredicate());
066        assertObjectsAreNotEqual(p, new BinaryPredicatePredicate<Object>(IsNotSame.INSTANCE));
067    }
068
069    @Test
070    public void testAdaptNull() throws Exception {
071        assertNull(BinaryPredicatePredicate.adapt(null));
072    }
073
074    @Test
075    public void testAdapt() throws Exception {
076        assertNotNull(BinaryPredicatePredicate.adapt(Constant.TRUE));
077    }
078}