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16 package org.apache.commons.lang.mutable;
17
18 import junit.framework.Test;
19 import junit.framework.TestCase;
20 import junit.framework.TestSuite;
21 import junit.textui.TestRunner;
22
23
29 public class MutableShortTest extends TestCase {
30
31 public MutableShortTest(String  testName) {
32 super(testName);
33 }
34
35 public static void main(String [] args) {
36 TestRunner.run(suite());
37 }
38
39 public static Test suite() {
40 return new TestSuite(MutableShortTest.class);
41 }
42
43 public void testConstructors() {
45 assertEquals((short) 0, new MutableShort().shortValue());
46
47 assertEquals((short) 1, new MutableShort((short) 1).shortValue());
48
49 assertEquals((short) 2, new MutableShort(new Short ((short) 2)).shortValue());
50 assertEquals((short) 3, new MutableShort(new MutableShort((short) 3)).shortValue());
51 try {
52 new MutableShort(null);
53 fail();
54 } catch (NullPointerException ex) {}
55 }
56
57 public void testGetSet() {
58 final MutableShort mutNum = new MutableShort((short) 0);
59 assertEquals((short) 0, new MutableShort().shortValue());
60 assertEquals(new Short ((short) 0), new MutableShort().getValue());
61
62 mutNum.setValue((short) 1);
63 assertEquals((short) 1, mutNum.shortValue());
64 assertEquals(new Short ((short) 1), mutNum.getValue());
65
66 mutNum.setValue(new Short ((short) 2));
67 assertEquals((short) 2, mutNum.shortValue());
68 assertEquals(new Short ((short) 2), mutNum.getValue());
69
70 mutNum.setValue(new MutableShort((short) 3));
71 assertEquals((short) 3, mutNum.shortValue());
72 assertEquals(new Short ((short) 3), mutNum.getValue());
73 try {
74 mutNum.setValue(null);
75 fail();
76 } catch (NullPointerException ex) {}
77 try {
78 mutNum.setValue("0");
79 fail();
80 } catch (ClassCastException ex) {}
81 }
82
83 public void testEquals() {
84 final MutableShort mutNumA = new MutableShort((short) 0);
85 final MutableShort mutNumB = new MutableShort((short) 0);
86 final MutableShort mutNumC = new MutableShort((short) 1);
87
88 assertEquals(true, mutNumA.equals(mutNumA));
89 assertEquals(true, mutNumA.equals(mutNumB));
90 assertEquals(true, mutNumB.equals(mutNumA));
91 assertEquals(true, mutNumB.equals(mutNumB));
92 assertEquals(false, mutNumA.equals(mutNumC));
93 assertEquals(false, mutNumB.equals(mutNumC));
94 assertEquals(true, mutNumC.equals(mutNumC));
95 assertEquals(false, mutNumA.equals(null));
96 assertEquals(false, mutNumA.equals(new Short ((short) 0)));
97 assertEquals(false, mutNumA.equals("0"));
98 }
99
100 public void testHashCode() {
101 final MutableShort mutNumA = new MutableShort((short) 0);
102 final MutableShort mutNumB = new MutableShort((short) 0);
103 final MutableShort mutNumC = new MutableShort((short) 1);
104
105 assertEquals(true, mutNumA.hashCode() == mutNumA.hashCode());
106 assertEquals(true, mutNumA.hashCode() == mutNumB.hashCode());
107 assertEquals(false, mutNumA.hashCode() == mutNumC.hashCode());
108 assertEquals(true, mutNumA.hashCode() == new Short ((short) 0).hashCode());
109 }
110
111 public void testCompareTo() {
112 final MutableShort mutNum = new MutableShort((short) 0);
113
114 assertEquals((short) 0, mutNum.compareTo(new MutableShort((short) 0)));
115 assertEquals((short) +1, mutNum.compareTo(new MutableShort((short) -1)));
116 assertEquals((short) -1, mutNum.compareTo(new MutableShort((short) 1)));
117 try {
118 mutNum.compareTo(null);
119 fail();
120 } catch (NullPointerException ex) {}
121 try {
122 mutNum.compareTo(new Short ((short) 0));
123 fail();
124 } catch (ClassCastException ex) {}
125 try {
126 mutNum.compareTo("0");
127 fail();
128 } catch (ClassCastException ex) {}
129 }
130
131 public void testPrimitiveValues() {
132 MutableShort mutNum = new MutableShort( (short) 1 );
133
134 assertEquals( 1.0F, mutNum.floatValue(), 0 );
135 assertEquals( 1.0, mutNum.doubleValue(), 0 );
136 assertEquals( (byte) 1, mutNum.byteValue() );
137 assertEquals( (short) 1, mutNum.shortValue() );
138 assertEquals( 1, mutNum.intValue() );
139 assertEquals( 1L, mutNum.longValue() );
140 }
141
142 public void testToString() {
143 assertEquals("0", new MutableShort((short) 0).toString());
144 assertEquals("10", new MutableShort((short) 10).toString());
145 assertEquals("-123", new MutableShort((short) -123).toString());
146 }
147
148 }
149 |
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