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17 package org.apache.commons.functor.adapter;
18
19 import static org.junit.Assert.assertEquals;
20 import static org.junit.Assert.assertNotNull;
21 import static org.junit.Assert.assertNull;
22 import static org.junit.Assert.assertTrue;
23
24 import org.apache.commons.functor.BaseFunctorTest;
25 import org.apache.commons.functor.BinaryPredicate;
26 import org.apache.commons.functor.core.Constant;
27 import org.apache.commons.functor.core.Identity;
28 import org.junit.Test;
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34 public class TestIgnoreLeftPredicate extends BaseFunctorTest {
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39 protected Object makeFunctor() {
40 return new IgnoreLeftPredicate<Object, Object>(Constant.TRUE);
41 }
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45
46 @Test
47 public void testEvaluate() throws Exception {
48 BinaryPredicate<Object, Boolean> p = new IgnoreLeftPredicate<Object, Boolean>(
49 new UnaryFunctionUnaryPredicate<Boolean>(Identity.<Boolean> instance()));
50 assertTrue(p.test(null,Boolean.TRUE));
51 assertTrue(!p.test(null,Boolean.FALSE));
52 }
53
54 @Test
55 public void testEquals() throws Exception {
56 BinaryPredicate<Object, Boolean> p = new IgnoreLeftPredicate<Object, Boolean>(
57 new UnaryFunctionUnaryPredicate<Boolean>(Identity.<Boolean> instance()));
58 assertEquals(p,p);
59 assertObjectsAreEqual(p,new IgnoreLeftPredicate<Object, Boolean>(
60 new UnaryFunctionUnaryPredicate<Boolean>(Identity.<Boolean> instance())));
61 assertObjectsAreNotEqual(p,Constant.TRUE);
62 assertObjectsAreNotEqual(p,new IgnoreLeftPredicate<Object, Object>(Constant.FALSE));
63 assertObjectsAreNotEqual(p,Constant.FALSE);
64 }
65
66 @Test
67 public void testAdaptNull() throws Exception {
68 assertNull(IgnoreLeftPredicate.adapt(null));
69 }
70
71 @Test
72 public void testAdapt() throws Exception {
73 assertNotNull(IgnoreLeftPredicate.adapt(Constant.TRUE));
74 }
75 }