1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.functor.core.composite;
18  
19  import static org.junit.Assert.assertNotNull;
20  
21  import org.apache.commons.functor.core.Identity;
22  import org.apache.commons.functor.core.LeftIdentity;
23  import org.apache.commons.functor.core.NoOp;
24  import org.apache.commons.functor.core.comparator.IsGreaterThan;
25  import org.junit.Test;
26  
27  /**
28   * @version $Revision: 1171255 $ $Date: 2011-09-15 22:27:39 +0200 (Thu, 15 Sep 2011) $
29   * @author Rodney Waldhoff
30   */
31  public class TestComposite {
32  
33      // Tests
34      // ------------------------------------------------------------------------
35  
36      @Test
37      public void testHasNoArgConstructor() throws Exception {
38          assertNotNull(new Composite());
39      }
40  
41      @Test
42      public void testUnaryMethods() {
43          assertNotNull(Composite.procedure(NoOp.instance(),Identity.instance()));
44          assertNotNull(Composite.predicate(Identity.instance(),Identity.instance()));
45          assertNotNull(Composite.function(Identity.instance(),Identity.instance()));
46      }
47  
48      @Test
49      public void testBinaryMethods() {
50          assertNotNull(Composite.function(LeftIdentity.function(),LeftIdentity.function(),LeftIdentity.function()));
51          assertNotNull(Composite.predicate(IsGreaterThan.instance(),new Identity<Comparable<?>>(),new Identity<Comparable<?>>()));
52          assertNotNull(Composite.function(LeftIdentity.function(),Identity.instance(),Identity.instance()));
53      }
54  }