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23 package net.smartlab.web;
24
25 import junit.framework.TestCase;
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30
31 public class EnumerationTest extends TestCase {
32
33 private Mock mock = new Mock();
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38
39 public void testGetCode() {
40 super.assertEquals(1, Mock.FIRST.getId());
41 super.assertEquals(2, Mock.SECOND.getId());
42 super.assertEquals(3, Mock.THIRD.getId());
43 }
44
45
46
47
48 public void testGetDisplay() {
49 super.assertEquals("First", Mock.FIRST.getDisplay());
50 super.assertEquals("Second", Mock.SECOND.getDisplay());
51 super.assertEquals("Third", Mock.THIRD.getDisplay());
52 }
53
54
55
56
57 public void testDecode() {
58 super.assertEquals(Mock.FIRST, mock.decode(1));
59 super.assertEquals(Mock.SECOND, mock.decode(2));
60 super.assertEquals(Mock.THIRD, mock.decode(3));
61 super.assertNull(mock.decode(4));
62 }
63
64
65 protected static class Mock extends Enumeration {
66
67 private static final long serialVersionUID = 1L;
68
69 public static Mock FIRST = new Mock(1, "First");
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71 public static Mock SECOND = new Mock(2, "Second");
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73 public static Mock THIRD = new Mock(3, "Third");
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76 public Mock(int code, String display) {
77 super(code, display);
78 }
79
80 public Mock() {
81 super();
82 }
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87 public Enumeration decode(int code) {
88 switch (code) {
89 case 1:
90 return FIRST;
91 case 2:
92 return SECOND;
93 case 3:
94 return THIRD;
95 default:
96 return null;
97 }
98 }
99 }
100 }