|
1
4 package com.tc.util;
5
6 import com.tc.test.TCTestCase;
7
8
11 public class SettableValueTest extends TCTestCase {
12
13 public void testBasics() throws Exception  {
14 SettableValue value = new SettableValue();
15
16 assertFalse(value.isSet());
17 assertNull(value.value());
18
19 value.set(null);
20 assertTrue(value.isSet());
21 assertNull(value.value());
22
23 Integer i = new Integer (3);
24
25 value.set(i);
26 assertTrue(value.isSet());
27 assertSame(i, value.value());
28
29 value.set(null);
30 assertTrue(value.isSet());
31 assertNull(value.value());
32
33 value.unset();
34 assertFalse(value.isSet());
35 assertNull(value.value());
36 }
37
38 public void testDefaultValue() {
39 SettableValue value = new SettableValue();
40 Object actualValue = new Object ();
41 Object defaultValue = new Object ();
42 assertFalse(actualValue.equals(defaultValue));
43 assertSame(defaultValue, value.value(defaultValue));
44
45 value.set(actualValue);
46 assertSame(actualValue, value.value(defaultValue));
47
48 value.unset();
49 assertSame(defaultValue, value.value(defaultValue));
50
51 }
52
53 public void testSerialization() throws Exception {
54 SettableValue value = new SettableValue();
55
56 SerializationTestUtil.testSerializationAndEquals(value);
57 }
58
59 public void testEquals() throws Exception {
60 SettableValue[] values = new SettableValue[7];
61 for (int i = 0; i < values.length; ++i)
62 values[i] = new SettableValue();
63
64 values[0].set(new Integer (5));
65 values[1].set(null);
66 values[3].set(new Integer (5));
67 values[4].set(new Integer (6));
68 values[5].set(null);
69
70 checkEquals(values, 0, new int[] { 0, 3 });
71 checkEquals(values, 1, new int[] { 1, 5 });
72 checkEquals(values, 2, new int[] { 2, 6 });
73 checkEquals(values, 3, new int[] { 3, 0 });
74 checkEquals(values, 4, new int[] { 4 });
75 checkEquals(values, 5, new int[] { 5, 1 });
76 checkEquals(values, 6, new int[] { 6, 2 });
77
78 for (int i = 0; i < values.length; ++i) {
79 assertEquals(values[i], values[i].clone());
80 }
81
82 assertFalse(values[0].equals(null));
83 assertFalse(values[0].equals(new Integer (5)));
84 assertFalse(values[0].equals("foo"));
85 }
86
87 public void testClone() throws Exception {
88 SettableValue unset = new SettableValue();
89 SettableValue setToNull = new SettableValue();
90 SettableValue setToValue = new SettableValue();
91
92 setToNull.set(null);
93 setToValue.set("foo");
94
95 SettableValue unsetClone = (SettableValue) unset.clone();
96 assertEquals(unset, unsetClone);
97 assertFalse(unset == unsetClone);
98
99 SettableValue setToNullClone = (SettableValue) setToNull.clone();
100 assertEquals(setToNull, setToNullClone);
101 assertFalse(setToNull == setToNullClone);
102
103 SettableValue setToValueClone = (SettableValue) setToValue.clone();
104 assertEquals(setToValue, setToValueClone);
105 assertFalse(setToValue == setToValueClone);
106 }
107
108 private void checkEquals(SettableValue[] values, int index, int[] equalsIndices) throws Exception {
109 for (int i = 0; i < values.length; ++i) {
110 boolean equals = values[i].equals(values[index]);
111 boolean shouldEqual = isIn(equalsIndices, i);
112
113 assertEquals("For value " + i + ":", shouldEqual, equals);
114 if (shouldEqual) {
115 assertEquals("For value " + i + ":", values[index].hashCode(), values[i].hashCode());
116 }
117 }
118 }
119
120 private boolean isIn(int[] search, int theValue) {
121 for (int i = 0; i < search.length; ++i) {
122 if (search[i] == theValue) return true;
123 }
124 return false;
125 }
126
127 }
128 |
Popular Tags |
Java API By Example, From Geeks To Geeks.