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1
5 package com.tctest;
6
7 import org.apache.commons.lang.builder.EqualsBuilder;
8 import org.apache.commons.lang.builder.HashCodeBuilder;
9 import org.apache.commons.lang.builder.ToStringBuilder;
10
11 import EDU.oswego.cs.dl.util.concurrent.CyclicBarrier;
12
13 import com.tc.object.config.ConfigVisitor;
14 import com.tc.object.config.DSOClientConfigHelper;
15 import com.tc.object.config.TransparencyClassSpec;
16 import com.tc.object.config.spec.CyclicBarrierSpec;
17 import com.tc.simulator.app.ApplicationConfig;
18 import com.tc.simulator.listener.ListenerProvider;
19 import com.tc.util.Assert;
20 import com.tctest.runner.AbstractErrorCatchingTransparentApp;
21
22 import java.util.LinkedHashMap  ;
23 import java.util.Map ;
24
25 public class NullLiteralReferencesTest extends TransparentTestBase {
26
27 private static final int NODE_COUNT = 3;
28
29 public void setUp() throws Exception {
30 super.setUp();
31 getTransparentAppConfig().setClientCount(NODE_COUNT).setIntensity(1);
32 initializeTestRunner();
33 }
34
35 protected Class getApplicationClass() {
36 return NullLiteralReferencesTestApp.class;
37 }
38
39 public static class NullLiteralReferencesTestApp extends AbstractErrorCatchingTransparentApp {
40
41 private final CyclicBarrier barrier;
42 private final Map root = new LinkedHashMap ();
43
44 public NullLiteralReferencesTestApp(String appId, ApplicationConfig cfg, ListenerProvider listenerProvider) {
45 super(appId, cfg, listenerProvider);
46 barrier = new CyclicBarrier(getParticipantCount());
47 }
48
49 protected void runTest() throws Throwable {
50 int index = barrier.barrier();
51
52 if (index == 0) {
53 Holder h1 = new Holder(true);
54 Holder h2 = new Holder(false);
55
56 synchronized (root) {
61 root.put("null", h2);
62 }
63
64 synchronized (root) {
65 root.put("not-null", h1);
66 }
67
68 h1.setNonNull();
69 h2.setNull();
70 }
71
72 barrier.barrier();
73
74 Holder compareNull = new Holder(true);
75 Holder compareNotNull = new Holder(false);
76
77 synchronized (root) {
78 Assert.assertEquals(compareNull, root.get("null"));
79 Assert.assertEquals(compareNotNull, root.get("not-null"));
80 }
81 }
82
83 public static void visitL1DSOConfig(ConfigVisitor visitor, DSOClientConfigHelper config) {
84 new CyclicBarrierSpec().visit(visitor, config);
85
86 String testClass;
87 TransparencyClassSpec spec;
88 String methodExpression;
89
90 testClass = Holder.class.getName();
91 spec = config.getOrCreateSpec(testClass);
92 methodExpression = "* " + testClass + ".*(..)";
93 config.addWriteAutolock(methodExpression);
94
95 testClass = NullLiteralReferencesTestApp.class.getName();
96 spec = config.getOrCreateSpec(testClass);
97 methodExpression = "* " + testClass + ".*(..)";
98 config.addWriteAutolock(methodExpression);
99 spec.addRoot("barrier", "barrier");
100 spec.addRoot("root", "root");
101 }
102 }
103
104 private static class Holder {
105 Holder(boolean setNull) {
106 if (setNull) {
107 setNull();
108 } else {
109 setNonNull();
110 }
111 }
112
113 Byte byteRef;
114 Boolean booleanRef;
115 Character characterRef;
116 Double doubleRef;
117 Float floatRef;
118 Integer integerRef;
119 Long longRef;
120 Short shortRef;
121
122 Class clazz;
123 StackTraceElement stack;
124 String str;
125
126 byte b = 1;
127 boolean z = true;
128 char c = 'e';
129 double d = Math.PI;
130 float f = "floater".length();
131 int i = -9;
132 long l = 2342342344324234L;
133 short s = 3;
134
135 synchronized void setNonNull() {
136 byteRef = new Byte ((byte) 1);
137 booleanRef = new Boolean (true);
138 characterRef = new Character ('q');
139 doubleRef = new Double (3.14);
140 floatRef = new Float (2.78);
141 integerRef = new Integer (42);
142 longRef = new Long (666);
143 shortRef = new Short ((short) "steve".length());
144
145 clazz = getClass();
146 stack = new Throwable ().getStackTrace()[0];
147 str = "timmy";
148 }
149
150 synchronized void setNull() {
151 byteRef = null;
152 booleanRef = null;
153 characterRef = null;
154 doubleRef = null;
155 floatRef = null;
156 integerRef = null;
157 longRef = null;
158 shortRef = null;
159
160 clazz = null;
161 stack = null;
162 str = null;
163 }
164
165 public synchronized boolean equals(Object o) {
167 return EqualsBuilder.reflectionEquals(this, o);
168 }
169
170 public synchronized String toString() {
171 return ToStringBuilder.reflectionToString(this);
172 }
173
174 public synchronized int hashCode() {
175 return HashCodeBuilder.reflectionHashCode(this);
176 }
177
178 }
179
180 }
181
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