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1 package org.jboss.cache.util;
2
3 import junit.framework.TestCase;
4
5 import java.io.ByteArrayInputStream  ;
6 import java.io.ByteArrayOutputStream ;
7 import java.io.ObjectInputStream ;
8 import java.io.ObjectOutputStream ;
9 import java.util.HashMap ;
10 import java.util.Map ;
11
12 public class MapCopyTest extends TestCase
13 {
14
15 public void testSerializable() throws Exception
16 {
17 HashMap hm = new HashMap ();
18 hm.put(null, null);
19 hm.put("y", "z");
20 MapCopy mc = new MapCopy(hm);
21 assertEquals(hm, mc);
22 ByteArrayOutputStream os = new ByteArrayOutputStream ();
23 ObjectOutputStream oos = new ObjectOutputStream (os);
24 oos.writeObject(mc);
25 ByteArrayInputStream is = new ByteArrayInputStream (os.toByteArray());
26 ObjectInputStream ois = new ObjectInputStream (is);
27 Object o = ois.readObject();
28 assertEquals(hm, o);
29 }
30
31 public void testNull()
32 {
33 HashMap hm = new HashMap ();
34 hm.put(null, null);
35 MapCopy mc = new MapCopy(hm);
36 assertEquals(hm, mc);
37 assertEquals(hm.toString(), mc.toString());
38
39 hm.put(null, "x");
40 hm.put("y", null);
41 mc = new MapCopy(hm);
42 mc.toString();
43 assertEquals(true, mc.containsKey("y"));
44 }
45
46 public void testAll()
47 {
48 HashMap hm = new HashMap ();
49 hm.put("a", "b");
50 hm.put("b", "c");
51 MapCopy mc = new MapCopy(hm);
52 assertEquals(hm, mc);
53 assertEquals(hm.size(), mc.size());
54 try
55 {
56 mc.clear();
57 fail("read only");
58 }
59 catch (UnsupportedOperationException e)
60 {
61 }
62 HashMap bhm = new HashMap (hm);
63 hm.put("b", "d");
64 assertEquals(bhm, mc);
65 Map.Entry me = (Map.Entry ) mc.entrySet().iterator().next();
66 try
67 {
68 me.setValue("arg");
69 fail("read only");
70 }
71 catch (UnsupportedOperationException e)
72 {
73 }
74 }
75
76 public void testModifications()
77 {
78 Map hm = new HashMap ();
79 hm.put("a", "b");
80 Map mc = new MapCopy(hm);
81
82 try
83 {
84 mc.put("x", "y");
85 fail("should fail");
86 }
87 catch (UnsupportedOperationException uoe)
88 {
89 }
91
92 try
93 {
94 mc.remove("a");
95 fail("should fail");
96 }
97 catch (UnsupportedOperationException uoe)
98 {
99 }
101
102 try
103 {
104 mc.keySet().iterator().remove();
105 fail("should fail");
106 }
107 catch (UnsupportedOperationException uoe)
108 {
109 }
111
112 try
113 {
114 mc.entrySet().iterator().remove();
115 fail("should fail");
116 }
117 catch (UnsupportedOperationException uoe)
118 {
119 }
121
122 try
123 {
124 mc.values().iterator().remove();
125 fail("should fail");
126 }
127 catch (UnsupportedOperationException uoe)
128 {
129 }
131
132
133 }
134 }
135 |
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