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root/jsr166/jsr166/src/test/tck/EntryTest.java
Revision: 1.10
Committed: Tue May 31 16:16:23 2011 UTC (12 years, 11 months ago) by jsr166
Branch: MAIN
Changes since 1.9: +0 -2 lines
Log Message: 
use serialClone in serialization tests; update imports

File Contents

# User Rev Content
1 dl 1.1 /*
2     * Written by Doug Lea with assistance from members of JCP JSR-166
3     * Expert Group and released to the public domain, as explained at
4 jsr166 1.7 * http://creativecommons.org/publicdomain/zero/1.0/
5 dl 1.1 */
6    
7     import junit.framework.*;
8     import java.util.*;
9    
10     public class EntryTest extends JSR166TestCase {
11     public static void main(String[] args) {
12 jsr166 1.5 junit.textui.TestRunner.run(suite());
13 dl 1.1 }
14     public static Test suite() {
15 jsr166 1.3 return new TestSuite(EntryTest.class);
16 dl 1.1 }
17    
18     static final String k1 = "1";
19     static final String v1 = "a";
20     static final String k2 = "2";
21     static final String v2 = "b";
22    
23     /**
24     * A new SimpleEntry(k, v) holds k, v.
25     */
26     public void testConstructor1() {
27     Map.Entry e = new AbstractMap.SimpleEntry(k1, v1);
28     assertEquals(k1, e.getKey());
29     assertEquals(v1, e.getValue());
30     }
31    
32     /**
33     * A new SimpleImmutableEntry(k, v) holds k, v.
34     */
35     public void testConstructor2() {
36     Map.Entry s = new AbstractMap.SimpleImmutableEntry(k1, v1);
37     assertEquals(k1, s.getKey());
38     assertEquals(v1, s.getValue());
39     }
40    
41     /**
42     * A new SimpleEntry(entry(k, v)) holds k, v.
43     */
44     public void testConstructor3() {
45     Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
46     Map.Entry e = new AbstractMap.SimpleEntry(e2);
47     assertEquals(k1, e.getKey());
48     assertEquals(v1, e.getValue());
49     }
50    
51     /**
52     * A new SimpleImmutableEntry(entry(k, v)) holds k, v.
53     */
54     public void testConstructor4() {
55     Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
56     Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
57     assertEquals(k1, s.getKey());
58     assertEquals(v1, s.getValue());
59     }
60    
61     /**
62     * Entries with same key-value pairs are equal and have same
63     * hashcodes
64     */
65     public void testEquals() {
66     Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
67     Map.Entry e = new AbstractMap.SimpleEntry(e2);
68     Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
69     Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
70     assertEquals(e2, e);
71     assertEquals(e2.hashCode(), e.hashCode());
72     assertEquals(s2, s);
73     assertEquals(s2.hashCode(), s.hashCode());
74     assertEquals(e2, s2);
75     assertEquals(e2.hashCode(), s2.hashCode());
76     assertEquals(e, s);
77     assertEquals(e.hashCode(), s.hashCode());
78     }
79    
80     /**
81     * Entries with different key-value pairs are not equal
82     */
83     public void testNotEquals() {
84     Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
85     Map.Entry e = new AbstractMap.SimpleEntry(k2, v1);
86 jsr166 1.6 assertFalse(e2.equals(e));
87 dl 1.1 e = new AbstractMap.SimpleEntry(k1, v2);
88 jsr166 1.6 assertFalse(e2.equals(e));
89 dl 1.1 e = new AbstractMap.SimpleEntry(k2, v2);
90 jsr166 1.6 assertFalse(e2.equals(e));
91 dl 1.1
92     Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
93     Map.Entry s = new AbstractMap.SimpleImmutableEntry(k2, v1);
94 jsr166 1.6 assertFalse(s2.equals(s));
95 dl 1.1 s = new AbstractMap.SimpleImmutableEntry(k1, v2);
96 jsr166 1.6 assertFalse(s2.equals(s));
97 dl 1.1 s = new AbstractMap.SimpleImmutableEntry(k2, v2);
98 jsr166 1.6 assertFalse(s2.equals(s));
99 dl 1.1 }
100    
101     /**
102     * getValue returns last setValue for SimpleEntry
103     */
104     public void testSetValue1() {
105     Map.Entry e2 = new AbstractMap.SimpleEntry(k1, v1);
106     Map.Entry e = new AbstractMap.SimpleEntry(e2);
107     assertEquals(k1, e.getKey());
108     assertEquals(v1, e.getValue());
109     e.setValue(k2);
110     assertEquals(k2, e.getValue());
111 jsr166 1.6 assertFalse(e2.equals(e));
112 dl 1.1 }
113    
114     /**
115     * setValue for SimpleImmutableEntry throws UnsupportedOperationException
116     */
117 jsr166 1.9 public void testSetValue2() {
118 dl 1.1 Map.Entry s2 = new AbstractMap.SimpleImmutableEntry(k1, v1);
119     Map.Entry s = new AbstractMap.SimpleImmutableEntry(s2);
120     assertEquals(k1, s.getKey());
121     assertEquals(v1, s.getValue());
122     try {
123     s.setValue(k2);
124 jsr166 1.4 shouldThrow();
125 dl 1.1 } catch (UnsupportedOperationException success) {}
126     }
127     }