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1
4 package com.tctest;
5
6 import EDU.oswego.cs.dl.util.concurrent.CyclicBarrier;
7
8 import com.tc.object.config.ConfigVisitor;
9 import com.tc.object.config.DSOClientConfigHelper;
10 import com.tc.object.config.TransparencyClassSpec;
11 import com.tc.simulator.app.ApplicationConfig;
12 import com.tc.simulator.listener.ListenerProvider;
13 import com.tc.util.Assert;
14 import com.tctest.runner.AbstractTransparentApp;
15
16 import java.util.Comparator  ;
17 import java.util.TreeMap ;
18
19 public class TreeMapBuggyComparatorTestApp extends AbstractTransparentApp {
20
21 private final TreeMap map = new TreeMap (new BuggyComparator());
22 private final CyclicBarrier barrier;
23
24 public TreeMapBuggyComparatorTestApp(String appId, ApplicationConfig cfg, ListenerProvider listenerProvider) {
25 super(appId, cfg, listenerProvider);
26
27 barrier = new CyclicBarrier(getParticipantCount());
28 }
29
30 public void run() {
31 try {
32 run0();
33 } catch (Throwable t) {
34 notifyError(t);
35 }
36 }
37
38 public void run0() throws Exception {
39 BuggyComparator cmp = (BuggyComparator) map.comparator();
40 cmp.setBuggy(true);
41
42 final boolean first;
43 synchronized (map) {
44 first = map.isEmpty();
45 if (first) {
46 map.put("key", "value");
47 }
48 }
49
50 Assert.assertEquals(1, map.size());
51 Assert.assertFalse(map.containsKey("key"));
53 Assert.assertNull(map.remove("key"));
54
55 barrier.barrier();
56
57 cmp.setBuggy(false);
58 Assert.assertTrue(map.containsKey("key"));
59 Assert.assertEquals("value", map.get("key"));
60
61 barrier.barrier();
62
63 synchronized (map) {
64 if (!map.isEmpty()) {
65 Object removed = map.remove("key");
66 Assert.assertEquals("value", removed);
67 Assert.assertEquals(0, map.size());
68 }
69 }
70 }
71
72 private static class BuggyComparator implements Comparator {
73 private boolean buggy;
74
75 synchronized void setBuggy(boolean b) {
76 this.buggy = b;
77 }
78
79 public int compare(Object o1, Object o2) {
80 if (buggy) {
81 return 1;
82 } else {
83 return ((Comparable ) o1).compareTo(o2);
84 }
85 }
86 }
87
88 public static void visitL1DSOConfig(ConfigVisitor visitor, DSOClientConfigHelper config) {
89 TransparencyClassSpec spec = config.getOrCreateSpec(CyclicBarrier.class.getName());
90 config.addWriteAutolock("* " + CyclicBarrier.class.getName() + "*.*(..)");
91
92 String testClass = TreeMapBuggyComparatorTestApp.class.getName();
93 spec = config.getOrCreateSpec(testClass);
94
95 String methodExpression = "* " + testClass + "*.*(..)";
96 config.addWriteAutolock(methodExpression);
97
98 spec.addRoot("map", "map");
99 spec.addRoot("barrier", "barrier");
100
101 config.addIncludePattern(BuggyComparator.class.getName());
102 }
103
104 }
105
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