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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
23 import org.apache.commons.functor.BaseFunctorTest;
24 import org.apache.commons.functor.UnaryFunction;
25 import org.apache.commons.functor.UnaryProcedure;
26 import org.apache.commons.functor.core.Constant;
27 import org.apache.commons.functor.core.NoOp;
28 import org.junit.Test;
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34 public class TestUnaryProcedureUnaryFunction extends BaseFunctorTest {
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39 protected Object makeFunctor() {
40 return new UnaryProcedureUnaryFunction<Object, Object>(NoOp.INSTANCE);
41 }
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46 @Test
47 public void testEvaluate() throws Exception {
48 UnaryFunction<Object, Object> f = new UnaryProcedureUnaryFunction<Object, Object>(NoOp.INSTANCE);
49 assertNull(f.evaluate(null));
50 }
51
52 @Test
53 public void testEquals() throws Exception {
54 UnaryFunction<Object, Object> f = new UnaryProcedureUnaryFunction<Object, Object>(NoOp.INSTANCE);
55 assertEquals(f,f);
56 assertObjectsAreEqual(f,new UnaryProcedureUnaryFunction<Object, Object>(NoOp.INSTANCE));
57 assertObjectsAreNotEqual(f,Constant.of("x"));
58 assertObjectsAreNotEqual(f, new UnaryProcedureUnaryFunction<Object, Object>(new UnaryProcedure<Object>() {
59 public void run(Object a) {
60 }
61 }));
62 assertObjectsAreNotEqual(f,Constant.of(null));
63 }
64
65 @Test
66 public void testAdaptNull() throws Exception {
67 assertNull(UnaryFunctionUnaryProcedure.adapt(null));
68 }
69
70 @Test
71 public void testAdapt() throws Exception {
72 assertNotNull(UnaryProcedureUnaryFunction.adapt(new NoOp()));
73 }
74 }