| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.functor.core; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import org.apache.commons.functor.BaseFunctorTest; |
| import org.apache.commons.functor.BinaryPredicate; |
| import org.apache.commons.functor.Predicate; |
| import org.junit.Test; |
| |
| /** |
| * @version $Revision$ $Date$ |
| */ |
| public class TestIsEqual extends BaseFunctorTest { |
| |
| // Functor Testing Framework |
| // ------------------------------------------------------------------------ |
| |
| @Override |
| protected Object makeFunctor() { |
| return new IsEqual<Object, Object>(); |
| } |
| |
| // Tests |
| // ------------------------------------------------------------------------ |
| |
| @Test |
| public void testTest() throws Exception { |
| IsEqual<Object, Object> p = new IsEqual<Object, Object>(); |
| assertTrue("For symmetry, two nulls should be equal", p.test(null, null)); |
| assertTrue(p.test("foo", "foo")); |
| assertFalse(p.test(null, "foo")); |
| assertFalse(p.test("foo", null)); |
| assertTrue(p.test(Integer.valueOf(3), Integer.valueOf(3))); |
| assertFalse(p.test(null, Integer.valueOf(3))); |
| assertFalse(p.test(Integer.valueOf(3), null)); |
| |
| assertFalse(p.test(Integer.valueOf(3), Integer.valueOf(4))); |
| assertFalse(p.test(Integer.valueOf(4), Integer.valueOf(3))); |
| assertFalse(p.test("3", Integer.valueOf(3))); |
| assertFalse(p.test(Integer.valueOf(3), "3")); |
| } |
| |
| @Test |
| public void testEquals() throws Exception { |
| BinaryPredicate<Object, Object> f = new IsEqual<Object, Object>(); |
| assertEquals(f, f); |
| |
| assertObjectsAreEqual(f, new IsEqual<Object, Object>()); |
| assertObjectsAreEqual(f, IsEqual.instance()); |
| assertObjectsAreNotEqual(f, Constant.truePredicate()); |
| } |
| |
| @Test |
| public void testConstant() throws Exception { |
| assertEquals(IsEqual.instance(), IsEqual.instance()); |
| assertNotSame(IsEqual.instance(), IsEqual.instance()); |
| assertSame(IsEqual.INSTANCE, IsEqual.INSTANCE); |
| } |
| |
| @Test |
| public void testToPredicate() { |
| Predicate<Integer> isEqual = IsEqual.to(Integer.valueOf(1)); |
| assertTrue(isEqual.test(Integer.valueOf(1))); |
| assertFalse(isEqual.test(Integer.valueOf(2))); |
| } |
| } |