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.assertNotNull;
021import static org.junit.Assert.assertNull;
022import static org.junit.Assert.assertTrue;
023
024import org.apache.commons.functor.BaseFunctorTest;
025import org.apache.commons.functor.NullaryPredicate;
026import org.apache.commons.functor.core.Constant;
027import org.apache.commons.functor.core.RightIdentity;
028import org.junit.Test;
029
030/**
031 * @version $Revision: 1365377 $ $Date: 2012-07-24 21:59:23 -0300 (Tue, 24 Jul 2012) $
032 */
033public class TestFullyBoundNullaryPredicate extends BaseFunctorTest {
034
035    // Functor Testing Framework
036    // ------------------------------------------------------------------------
037
038    @Override
039    protected Object makeFunctor() {
040        return new FullyBoundNullaryPredicate(Constant.TRUE, null, "xyzzy");
041    }
042
043    // Tests
044    // ------------------------------------------------------------------------
045
046    @Test
047    public void testTest() throws Exception {
048        NullaryPredicate p = new FullyBoundNullaryPredicate(
049                new BinaryFunctionBinaryPredicate<Object, Boolean>(RightIdentity.<Object, Boolean> function()), "foo",
050                Boolean.TRUE);
051        assertTrue(p.test());
052    }
053
054    @Test
055    public void testEquals() throws Exception {
056        NullaryPredicate p = new FullyBoundNullaryPredicate(Constant.TRUE, "xyzzy", null);
057        assertEquals(p, p);
058        assertObjectsAreEqual(p, new FullyBoundNullaryPredicate(Constant.TRUE, "xyzzy", null));
059        assertObjectsAreNotEqual(p, Constant.TRUE);
060        assertObjectsAreNotEqual(p, new FullyBoundNullaryPredicate(Constant.FALSE, "xyzzy", null));
061        assertObjectsAreNotEqual(p, new FullyBoundNullaryPredicate(Constant.TRUE, "foo", null));
062        assertObjectsAreNotEqual(p, new FullyBoundNullaryPredicate(Constant.TRUE, null, "xyzzy"));
063        assertObjectsAreNotEqual(new FullyBoundNullaryPredicate(Constant.TRUE, null, "xyzzy"), new FullyBoundNullaryPredicate(Constant.TRUE, null, null));
064        assertObjectsAreEqual(new FullyBoundNullaryPredicate(Constant.TRUE, "foo", "xyzzy"), new FullyBoundNullaryPredicate(Constant.TRUE, "foo", "xyzzy"));
065        assertTrue(!p.equals(null));
066    }
067
068    @Test
069    public void testAdaptNull() throws Exception {
070        assertNull(FullyBoundNullaryPredicate.bind(null, "xyzzy", null));
071    }
072
073    @Test
074    public void testAdapt() throws Exception {
075        assertNotNull(FullyBoundNullaryPredicate.bind(Constant.FALSE, "xyzzy", "foobar"));
076        assertNotNull(FullyBoundNullaryPredicate.bind(Constant.FALSE, null, null));
077    }
078}