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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.assertFalse;
21 import static org.junit.Assert.assertNotNull;
22 import static org.junit.Assert.assertNull;
23 import static org.junit.Assert.assertTrue;
24
25 import org.apache.commons.functor.BaseFunctorTest;
26 import org.apache.commons.functor.BinaryPredicate;
27 import org.apache.commons.functor.core.Constant;
28 import org.junit.Test;
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34 public class TestBinaryFunctionBinaryPredicate extends BaseFunctorTest {
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39 protected Object makeFunctor() {
40 return new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
41 }
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45
46 @Test
47 public void testTestWhenTrue() throws Exception {
48 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
49 assertTrue(p.test(null,null));
50 }
51
52 @Test
53 public void testTestWhenFalse() throws Exception {
54 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.FALSE);
55 assertFalse(p.test(null,null));
56 }
57
58 @Test
59 public void testEquals() throws Exception {
60 BinaryPredicate<Object, Object> p = new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE);
61 assertEquals(p,p);
62 assertObjectsAreEqual(p,new BinaryFunctionBinaryPredicate<Object, Object>(Constant.TRUE));
63 assertObjectsAreNotEqual(p,Constant.truePredicate());
64 assertObjectsAreNotEqual(p,new BinaryFunctionBinaryPredicate<Object, Object>(Constant.FALSE));
65 }
66
67 @Test
68 public void testAdaptNull() throws Exception {
69 assertNull(BinaryFunctionBinaryPredicate.adapt(null));
70 }
71
72 @Test
73 public void testAdapt() throws Exception {
74 assertNotNull(BinaryFunctionBinaryPredicate.adapt(Constant.TRUE));
75 }
76 }