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.BinaryPredicate;
027import org.apache.commons.functor.core.Constant;
028import org.junit.Test;
029
030/**
031 * @version $Revision: 1365377 $ $Date: 2012-07-25 02:59:23 +0200 (Mi, 25 Jul 2012) $
032 */
033public class TestBinaryFunctionBinaryPredicate extends BaseFunctorTest {
034
035    // Functor Testing Framework
036    // ------------------------------------------------------------------------
037
038    @Override
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        assertTrue(!p.equals(null));
066    }
067
068    @Test
069    public void testAdaptNull() throws Exception {
070        assertNull(BinaryFunctionBinaryPredicate.adapt(null));
071    }
072
073    @Test
074    public void testAdapt() throws Exception {
075        assertNotNull(BinaryFunctionBinaryPredicate.adapt(Constant.TRUE));
076    }
077}