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.*;
020
021 import org.apache.commons.functor.BaseFunctorTest;
022 import org.apache.commons.functor.BinaryFunction;
023 import org.apache.commons.functor.BinaryProcedure;
024 import org.apache.commons.functor.core.Constant;
025 import org.apache.commons.functor.core.NoOp;
026 import org.junit.Test;
027
028 /**
029 * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
030 * @author Rodney Waldhoff
031 */
032 public class TestBinaryProcedureBinaryFunction extends BaseFunctorTest {
033
034 // Functor Testing Framework
035 // ------------------------------------------------------------------------
036
037 protected Object makeFunctor() {
038 return new BinaryProcedureBinaryFunction<Object, Object, Object>(NoOp.instance());
039 }
040
041 // Tests
042 // ------------------------------------------------------------------------
043
044 @Test
045 public void testEvaluate() throws Exception {
046 BinaryFunction<Object, Object, Object> f = new BinaryProcedureBinaryFunction<Object, Object, Object>(NoOp.instance());
047 assertNull(f.evaluate(null,null));
048 }
049
050 @Test
051 public void testEquals() throws Exception {
052 BinaryFunction<Object, Object, Object> f = new BinaryProcedureBinaryFunction<Object, Object, Object>(new NoOp());
053 assertEquals(f,f);
054 assertObjectsAreEqual(f,new BinaryProcedureBinaryFunction<Object, Object, Object>(new NoOp()));
055 assertObjectsAreNotEqual(f,Constant.of("x"));
056 assertObjectsAreNotEqual(f, new BinaryProcedureBinaryFunction<Object, Object, Object>(
057 new BinaryProcedure<Object, Object>() {
058 public void run(Object a, Object b) {
059 }
060 }));
061 assertObjectsAreNotEqual(f,Constant.of(null));
062 }
063
064 @Test
065 public void testAdaptNull() throws Exception {
066 assertNull(BinaryFunctionBinaryProcedure.adapt(null));
067 }
068
069 @Test
070 public void testAdapt() throws Exception {
071 assertNotNull(BinaryProcedureBinaryFunction.adapt(NoOp.instance()));
072 }
073 }