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1
4 package com.tctest;
5
6 import com.tc.object.config.ConfigVisitor;
7 import com.tc.object.config.DSOClientConfigHelper;
8 import com.tc.object.config.TransparencyClassSpec;
9 import com.tc.simulator.app.ApplicationConfig;
10 import com.tc.simulator.listener.ListenerProvider;
11 import com.tc.util.Assert;
12 import com.tctest.runner.AbstractTransparentApp;
13
14 import java.util.ArrayList  ;
15 import java.util.HashMap ;
16 import java.util.HashSet ;
17 import java.util.IdentityHashMap ;
18 import java.util.LinkedList ;
19 import java.util.List ;
20 import java.util.Map ;
21 import java.util.Set ;
22 import java.util.Vector ;
23
24 public class NullReferenceTestApp extends AbstractTransparentApp {
25
26 private final List nodes = new ArrayList ();
27 private Holder holder;
28
29 public NullReferenceTestApp(String appId, ApplicationConfig cfg, ListenerProvider listenerProvider) {
30 super(appId, cfg, listenerProvider);
31 }
32
33 public static void visitL1DSOConfig(ConfigVisitor visitor, DSOClientConfigHelper config) {
34 String testClass = NullReferenceTestApp.class.getName();
35 TransparencyClassSpec spec = config.getOrCreateSpec(testClass);
36 spec.addRoot("nodes", "nodesLock");
37 spec.addRoot("holder", "holderLock");
38
39 String methodExpression;
40
41 methodExpression = "* " + testClass + ".init()";
42 config.addWriteAutolock(methodExpression);
43
44 methodExpression = "* " + testClass + ".check()";
45 config.addWriteAutolock(methodExpression);
46
47 methodExpression = "* " + testClass + "$Holder.*(..)";
48 config.addWriteAutolock(methodExpression);
49
50 config.addIncludePattern(Holder.class.getName());
51 }
52
53 public void run() {
54 init();
55 check();
56 finish();
57 }
58
59 private void finish() {
60 holder.mod();
61 }
62
63 private void check() {
64 holder.check();
65
66 synchronized (nodes) {
67 nodes.remove(0);
68 nodes.notifyAll();
69
70 while (nodes.size() > 0) {
71 try {
72 nodes.wait();
73 } catch (InterruptedException e) {
74 throw new RuntimeException (e);
75 }
76 }
77 }
78 }
79
80 private void init() {
81 synchronized (nodes) {
82 Holder h = new Holder();
83 this.holder = h;
84
85 if (nodes.size() == 0) {
88 Assert.assertTrue(this.holder == h);
89 } else {
90 Assert.assertTrue(this.holder != h);
91 }
92
93 nodes.add(new Object ());
94 nodes.notifyAll();
95
96 while (nodes.size() != getParticipantCount()) {
97 try {
98 nodes.wait();
99 } catch (InterruptedException e) {
100 throw new RuntimeException (e);
101 }
102 }
103 }
104
105 }
106
107 private static class Holder {
108 Object reference = null;
109 Object [] array = new Object [] { null, new Object (), null };
110
111 Map map1 = new HashMap ();
112 Map map2 = new IdentityHashMap ();
113
114 List list1 = new LinkedList ();
115 List list2 = new ArrayList ();
116 List list3 = new Vector ();
117
118 Set set1 = new HashSet ();
119
120 private int count = 0;
121
122 Holder() {
123 mod();
124 }
125
126 public void check() {
127 Assert.assertNull(reference);
128 Assert.assertNull(array[0]);
129 Assert.assertNotNull(array[1]);
130 Assert.assertNull(array[2]);
131
132 Assert.assertEquals(1, list1.size());
133 Assert.assertEquals(1, list2.size());
134 Assert.assertEquals(1, list3.size());
135 Assert.assertTrue(list1.contains(null));
136 Assert.assertTrue(list2.contains(null));
137 Assert.assertTrue(list3.contains(null));
138
139 Assert.assertEquals(2, map1.size());
140 Assert.assertEquals(2, map2.size());
141 Assert.assertTrue(map1.containsKey(null));
142 Assert.assertTrue(map2.containsKey(null));
143 Assert.assertTrue(map1.containsValue(null));
144 Assert.assertTrue(map2.containsValue(null));
145
146 Assert.assertEquals(1, set1.size());
147 Assert.assertTrue(set1.contains(null));
148 }
149
150 synchronized void mod() {
151 modSets(new Set [] { set1 });
152 modLists(new List [] { list1, list2, list3 });
153 modMaps(new Map [] { map1, map2 });
154 reference = null;
155 array[0] = null;
156 }
157
158 void modLists(List [] lists) {
159 for (int i = 0; i < lists.length; i++) {
160 lists[i].add(null);
161 }
162 }
163
164 void modSets(Set [] sets) {
165 for (int i = 0; i < sets.length; i++) {
166 sets[i].add(null);
167 }
168 }
169
170 void modMaps(Map [] maps) {
171 for (int i = 0; i < maps.length; i++) {
172 maps[i].put(null, "value for null key");
173 maps[i].put("key" + count + " for null value", null);
174 }
175 count++;
176 }
177
178 }
179
180 }
181 |
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