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