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.RightIdentity;
029import org.junit.Test;
030
031/**
032 * @version $Revision: 1508677 $ $Date: 2013-07-31 00:48:02 +0200 (Mi, 31 Jul 2013) $
033 */
034public class TestLeftBoundPredicate extends BaseFunctorTest {
035
036    // Functor Testing Framework
037    // ------------------------------------------------------------------------
038
039    @Override
040    protected Object makeFunctor() {
041        return new LeftBoundPredicate<Object>(Constant.TRUE,"xyzzy");
042    }
043
044    // Tests
045    // ------------------------------------------------------------------------
046
047    @Test
048    public void testTest() throws Exception {
049        Predicate<Boolean> p = new LeftBoundPredicate<Boolean>(
050                new BinaryFunctionBinaryPredicate<Object, Boolean>(RightIdentity.<Object, Boolean> function()), "foo");
051        assertTrue(p.test(Boolean.TRUE));
052        assertFalse(p.test(Boolean.FALSE));
053    }
054
055    @Test
056    public void testEquals() throws Exception {
057        Predicate<Boolean> p = new LeftBoundPredicate<Boolean>(Constant.TRUE,"xyzzy");
058        assertEquals(p,p);
059        assertObjectsAreEqual(p,new LeftBoundPredicate<Boolean>(Constant.TRUE,"xyzzy"));
060        assertObjectsAreNotEqual(p,Constant.TRUE);
061        assertObjectsAreNotEqual(p,new LeftBoundPredicate<Boolean>(Constant.FALSE,"xyzzy"));
062        assertObjectsAreNotEqual(p,new LeftBoundPredicate<Boolean>(Constant.TRUE,"foo"));
063        assertObjectsAreNotEqual(p,new LeftBoundPredicate<Boolean>(Constant.TRUE,null));
064        assertObjectsAreEqual(new LeftBoundPredicate<Boolean>(Constant.TRUE,null),new LeftBoundPredicate<Boolean>(Constant.TRUE,null));
065        assertTrue(!p.equals(null));
066    }
067
068    @Test
069    public void testAdaptNull() throws Exception {
070        assertNull(LeftBoundPredicate.bind(null,"xyzzy"));
071    }
072
073    @Test
074    public void testAdapt() throws Exception {
075        assertNotNull(LeftBoundPredicate.bind(Constant.FALSE,"xyzzy"));
076        assertNotNull(LeftBoundPredicate.bind(Constant.FALSE,null));
077    }
078}