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root/jsr166/jsr166/src/test/tck/JSR166TestCase.java

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.1 by dl, Sun Sep 14 20:42:40 2003 UTC vs.
Revision 1.33 by jsr166, Fri Jul 31 23:37:31 2009 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by members of JCP JSR-166 Expert Group and released to the
3	<	* public domain. Use, modify, and redistribute this code in any way
4	<	* without acknowledgement. Other contributors include Andrew Wright,
5	<	* Jeffrey Hayes, Pat Fischer, Mike Judd.
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	>	* http://creativecommons.org/licenses/publicdomain
5	>	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	>	* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10		import java.util.*;
11		import java.util.concurrent.*;
12		import java.io.*;
13	<
13	>	import java.security.*;
14
15		/**
16	<	* Base class for JSR166 Junit TCK tests.  Defines some constants and
17	<	* utility methods, as well as a simple framework for helping to make
18	<	* sure that assertions failing in generated threads cause the
19	<	* associated test that generated them to itself fail (which JUnit doe
20	<	* not otherwise arrange).  The rules for creating such tests are:
16	>	* Base class for JSR166 Junit TCK tests.  Defines some constants,
17	>	* utility methods and classes, as well as a simple framework for
18	>	* helping to make sure that assertions failing in generated threads
19	>	* cause the associated test that generated them to itself fail (which
20	>	* JUnit does not otherwise arrange).  The rules for creating such
21	>	* tests are:
22		*
23		* <ol>
24		*
25		* <li> All assertions in code running in generated threads must use
26	<	* the forms {@link threadFail} , {@link threadAssertTrue} {@link
27	<	* threadAssertEquals}, or {@link threadAssertNull}, (not
26	>	* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
27	>	* #threadAssertEquals}, or {@link #threadAssertNull}, (not
28		* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
29		* particularly recommended) for other code to use these forms too.
30		* Only the most typically used JUnit assertion methods are defined
31		* this way, but enough to live with.</li>
32		*
33	<	* <li> If you override {@link setUp} or {@link tearDown}, make sure
33	>	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
34		* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
35		* them. These methods are used to clear and check for thread
36		* assertion failures.</li>
37		*
38	<	* <li>All delays and timeouts must use one of the constants {@link
39	<	* SHORT_DELAY_MS}, {@link SMALL_DELAY_MS}, {@link MEDIUM_DELAY_MS},
40	<	* {@link LONG_DELAY_MS}. The idea here is that a SHORT is always
41	<	* discriminatable from zero time, and always allows enough time for
42	<	* the small amounts of computation (creating a thread, calling a few
38	>	* <li>All delays and timeouts must use one of the constants <tt>
39	>	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
40	>	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
41	>	* discriminable from zero time, and always allows enough time for the
42	>	* small amounts of computation (creating a thread, calling a few
43		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
44		* is always discriminable as larger than SHORT and smaller than
45		* MEDIUM.  And so on. These constants are set to conservative values,
46	<	* (100, 500, 1000, 5000 MS) but even so, if there is ever any doubt,
47	<	* they can all be increased in one spot to rerun tests on slower
46	<	* platforms</li>
46	>	* but even so, if there is ever any doubt, they can all be increased
47	>	* in one spot to rerun tests on slower platforms.</li>
48		*
49		* <li> All threads generated must be joined inside each test case
50		* method (or <tt>fail</tt> to do so) before returning from the
51	<	* method. The {@link joinPool} method can be used to do this when
51	>	* method. The <tt> joinPool</tt> method can be used to do this when
52		* using Executors.</li>
53		*
54		* </ol>
55	+	*
56	+	* <p> <b>Other notes</b>
57	+	* <ul>
58	+	*
59	+	* <li> Usually, there is one testcase method per JSR166 method
60	+	* covering "normal" operation, and then as many exception-testing
61	+	* methods as there are exceptions the method can throw. Sometimes
62	+	* there are multiple tests per JSR166 method when the different
63	+	* "normal" behaviors differ significantly. And sometimes testcases
64	+	* cover multiple methods when they cannot be tested in
65	+	* isolation.</li>
66	+	*
67	+	* <li> The documentation style for testcases is to provide as javadoc
68	+	* a simple sentence or two describing the property that the testcase
69	+	* method purports to test. The javadocs do not say anything about how
70	+	* the property is tested. To find out, read the code.</li>
71	+	*
72	+	* <li> These tests are "conformance tests", and do not attempt to
73	+	* test throughput, latency, scalability or other performance factors
74	+	* (see the separate "jtreg" tests for a set intended to check these
75	+	* for the most central aspects of functionality.) So, most tests use
76	+	* the smallest sensible numbers of threads, collection sizes, etc
77	+	* needed to check basic conformance.</li>
78	+	*
79	+	* <li>The test classes currently do not declare inclusion in
80	+	* any particular package to simplify things for people integrating
81	+	* them in TCK test suites.</li>
82	+	*
83	+	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
84	+	* runs all JSR166 unit tests.</li>
85	+	*
86	+	* </ul>
87		*/
88		public class JSR166TestCase extends TestCase {
89	+	/**
90	+	* Runs all JSR166 unit tests using junit.textui.TestRunner
91	+	*/
92	+	public static void main (String[] args) {
93	+	int iters = 1;
94	+	if (args.length > 0)
95	+	iters = Integer.parseInt(args[0]);
96	+	Test s = suite();
97	+	for (int i = 0; i < iters; ++i) {
98	+	junit.textui.TestRunner.run (s);
99	+	System.gc();
100	+	System.runFinalization();
101	+	}
102	+	System.exit(0);
103	+	}
104	+
105	+	/**
106	+	* Collects all JSR166 unit tests as one suite
107	+	*/
108	+	public static Test suite ( ) {
109	+	TestSuite suite = new TestSuite("JSR166 Unit Tests");
110	+
111	+	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
112	+	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
113	+	suite.addTest(new TestSuite(RecursiveActionTest.class));
114	+	suite.addTest(new TestSuite(RecursiveTaskTest.class));
115	+	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
116	+	suite.addTest(new TestSuite(PhaserTest.class));
117	+	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
118	+	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
119	+	suite.addTest(new TestSuite(AbstractQueueTest.class));
120	+	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
121	+	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
122	+	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
123	+	suite.addTest(new TestSuite(ArrayDequeTest.class));
124	+	suite.addTest(new TestSuite(AtomicBooleanTest.class));
125	+	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
126	+	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
127	+	suite.addTest(new TestSuite(AtomicIntegerTest.class));
128	+	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
129	+	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
130	+	suite.addTest(new TestSuite(AtomicLongTest.class));
131	+	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
132	+	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
133	+	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
134	+	suite.addTest(new TestSuite(AtomicReferenceTest.class));
135	+	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
136	+	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
137	+	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
138	+	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
139	+	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
140	+	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
141	+	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
142	+	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
143	+	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
144	+	suite.addTest(new TestSuite(CountDownLatchTest.class));
145	+	suite.addTest(new TestSuite(CyclicBarrierTest.class));
146	+	suite.addTest(new TestSuite(DelayQueueTest.class));
147	+	suite.addTest(new TestSuite(EntryTest.class));
148	+	suite.addTest(new TestSuite(ExchangerTest.class));
149	+	suite.addTest(new TestSuite(ExecutorsTest.class));
150	+	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
151	+	suite.addTest(new TestSuite(FutureTaskTest.class));
152	+	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
153	+	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
154	+	suite.addTest(new TestSuite(LinkedListTest.class));
155	+	suite.addTest(new TestSuite(LockSupportTest.class));
156	+	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
157	+	suite.addTest(new TestSuite(PriorityQueueTest.class));
158	+	suite.addTest(new TestSuite(ReentrantLockTest.class));
159	+	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
160	+	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
161	+	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
162	+	suite.addTest(new TestSuite(SemaphoreTest.class));
163	+	suite.addTest(new TestSuite(SynchronousQueueTest.class));
164	+	suite.addTest(new TestSuite(SystemTest.class));
165	+	suite.addTest(new TestSuite(ThreadLocalTest.class));
166	+	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
167	+	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
168	+	suite.addTest(new TestSuite(ThreadTest.class));
169	+	suite.addTest(new TestSuite(TimeUnitTest.class));
170	+	suite.addTest(new TestSuite(TreeMapTest.class));
171	+	suite.addTest(new TestSuite(TreeSetTest.class));
172	+	suite.addTest(new TestSuite(TreeSubMapTest.class));
173	+	suite.addTest(new TestSuite(TreeSubSetTest.class));
174	+
175	+	return suite;
176	+	}
177	+
178	+
179	+	public static long SHORT_DELAY_MS;
180	+	public static long SMALL_DELAY_MS;
181	+	public static long MEDIUM_DELAY_MS;
182	+	public static long LONG_DELAY_MS;
183	+
184	+
185	+	/**
186	+	* Returns the shortest timed delay. This could
187	+	* be reimplemented to use for example a Property.
188	+	*/
189	+	protected long getShortDelay() {
190	+	return 50;
191	+	}
192	+
193	+
194	+	/**
195	+	* Sets delays as multiples of SHORT_DELAY.
196	+	*/
197	+	protected  void setDelays() {
198	+	SHORT_DELAY_MS = getShortDelay();
199	+	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
200	+	MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
201	+	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
202	+	}
203
204		/**
205		* Flag set true if any threadAssert methods fail
206		*/
207	<	protected volatile boolean threadFailed;
207	>	volatile boolean threadFailed;
208
209		/**
210	<	* Initialize test to indicat that no thread assertions have failed
210	>	* Initializes test to indicate that no thread assertions have failed
211		*/
212	<	public void setUp() {
213	<	threadFailed = false;
212	>	public void setUp() {
213	>	setDelays();
214	>	threadFailed = false;
215		}
216
217		/**
218	<	* Trigger test case failure if any thread assertions have failed
218	>	* Triggers test case failure if any thread assertions have failed
219		*/
220	<	public void tearDown() {
221	<	assertFalse(threadFailed);
220	>	public void tearDown() {
221	>	assertFalse(threadFailed);
222		}
223
224	+	/**
225	+	* Fail, also setting status to indicate current testcase should fail
226	+	*/
227		public void threadFail(String reason) {
228		threadFailed = true;
229		fail(reason);
230		}
231
232	+	/**
233	+	* If expression not true, set status to indicate current testcase
234	+	* should fail
235	+	*/
236		public void threadAssertTrue(boolean b) {
237		if (!b) {
238		threadFailed = true;
239		assertTrue(b);
240		}
241		}
242	+
243	+	/**
244	+	* If expression not false, set status to indicate current testcase
245	+	* should fail
246	+	*/
247		public void threadAssertFalse(boolean b) {
248		if (b) {
249		threadFailed = true;
250		assertFalse(b);
251		}
252		}
253	+
254	+	/**
255	+	* If argument not null, set status to indicate current testcase
256	+	* should fail
257	+	*/
258		public void threadAssertNull(Object x) {
259		if (x != null) {
260		threadFailed = true;
261		assertNull(x);
262		}
263		}
264	+
265	+	/**
266	+	* If arguments not equal, set status to indicate current testcase
267	+	* should fail
268	+	*/
269		public void threadAssertEquals(long x, long y) {
270		if (x != y) {
271		threadFailed = true;
272		assertEquals(x, y);
273		}
274		}
275	+
276	+	/**
277	+	* If arguments not equal, set status to indicate current testcase
278	+	* should fail
279	+	*/
280		public void threadAssertEquals(Object x, Object y) {
281		if (x != y && (x == null || !x.equals(y))) {
282		threadFailed = true;
#	Line 110 | Line 285 | public class JSR166TestCase extends Test
285		}
286
287		/**
288	+	* threadFail with message "should throw exception"
289	+	*/
290	+	public void threadShouldThrow() {
291	+	try {
292	+	threadFailed = true;
293	+	fail("should throw exception");
294	+	} catch (AssertionFailedError e) {
295	+	e.printStackTrace();
296	+	throw e;
297	+	}
298	+	}
299	+
300	+	/**
301	+	* threadFail with message "Unexpected exception"
302	+	*/
303	+	public void threadUnexpectedException() {
304	+	threadFailed = true;
305	+	fail("Unexpected exception");
306	+	}
307	+
308	+	/**
309	+	* threadFail with message "Unexpected exception", with argument
310	+	*/
311	+	public void threadUnexpectedException(Throwable ex) {
312	+	threadFailed = true;
313	+	ex.printStackTrace();
314	+	fail("Unexpected exception: " + ex);
315	+	}
316	+
317	+	/**
318		* Wait out termination of a thread pool or fail doing so
319		*/
320		public void joinPool(ExecutorService exec) {
321		try {
322		exec.shutdown();
323		assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
324	<	} catch(InterruptedException ie) {
325	<	fail("unexpected exception");
324	>	} catch (SecurityException ok) {
325	>	// Allowed in case test doesn't have privs
326	>	} catch (InterruptedException ie) {
327	>	fail("Unexpected exception");
328		}
329		}
330
331	<	public static final long SHORT_DELAY_MS =   100;
332	<	public static final long SMALL_DELAY_MS =   500;
333	<	public static final long MEDIUM_DELAY_MS = 1000;
334	<	public static final long LONG_DELAY_MS =   5000;
331	>
332	>	/**
333	>	* fail with message "should throw exception"
334	>	*/
335	>	public void shouldThrow() {
336	>	fail("Should throw exception");
337	>	}
338	>
339	>	/**
340	>	* fail with message "Unexpected exception"
341	>	*/
342	>	public void unexpectedException() {
343	>	fail("Unexpected exception");
344	>	}
345
346
347		/**
348		* The number of elements to place in collections, arrays, etc.
349		*/
350	<	public static final int SIZE = 20;
350	>	static final int SIZE = 20;
351
352		// Some convenient Integer constants
353
354	<	public static final Integer zero = new Integer(0);
355	<	public static final Integer one = new Integer(1);
356	<	public static final Integer two = new Integer(2);
357	<	public static final Integer three  = new Integer(3);
358	<	public static final Integer four  = new Integer(4);
359	<	public static final Integer five  = new Integer(5);
360	<	public static final Integer six = new Integer(6);
361	<	public static final Integer seven = new Integer(7);
362	<	public static final Integer eight = new Integer(8);
363	<	public static final Integer nine = new Integer(9);
364	<	public static final Integer m1  = new Integer(-1);
365	<	public static final Integer m2  = new Integer(-2);
366	<	public static final Integer m3  = new Integer(-3);
367	<	public static final Integer m4 = new Integer(-4);
368	<	public static final Integer m5 = new Integer(-5);
369	<	public static final Integer m10 = new Integer(-10);
354	>	static final Integer zero = new Integer(0);
355	>	static final Integer one = new Integer(1);
356	>	static final Integer two = new Integer(2);
357	>	static final Integer three  = new Integer(3);
358	>	static final Integer four  = new Integer(4);
359	>	static final Integer five  = new Integer(5);
360	>	static final Integer six = new Integer(6);
361	>	static final Integer seven = new Integer(7);
362	>	static final Integer eight = new Integer(8);
363	>	static final Integer nine = new Integer(9);
364	>	static final Integer m1  = new Integer(-1);
365	>	static final Integer m2  = new Integer(-2);
366	>	static final Integer m3  = new Integer(-3);
367	>	static final Integer m4 = new Integer(-4);
368	>	static final Integer m5 = new Integer(-5);
369	>	static final Integer m6 = new Integer(-6);
370	>	static final Integer m10 = new Integer(-10);
371	>
372	>
373	>	/**
374	>	* A security policy where new permissions can be dynamically added
375	>	* or all cleared.
376	>	*/
377	>	static class AdjustablePolicy extends java.security.Policy {
378	>	Permissions perms = new Permissions();
379	>	AdjustablePolicy() { }
380	>	void addPermission(Permission perm) { perms.add(perm); }
381	>	void clearPermissions() { perms = new Permissions(); }
382	>	public PermissionCollection getPermissions(CodeSource cs) {
383	>	return perms;
384	>	}
385	>	public PermissionCollection getPermissions(ProtectionDomain pd) {
386	>	return perms;
387	>	}
388	>	public boolean implies(ProtectionDomain pd, Permission p) {
389	>	return perms.implies(p);
390	>	}
391	>	public void refresh() {}
392	>	}
393
394
395		// Some convenient Runnable classes
396
397	<	public static class NoOpRunnable implements Runnable {
397	>	static class NoOpRunnable implements Runnable {
398		public void run() {}
399		}
400
401	<	public static class NoOpCallable implements Callable {
401	>	static class NoOpCallable implements Callable {
402		public Object call() { return Boolean.TRUE; }
403		}
404
405	<	public class ShortRunnable implements Runnable {
405	>	static final String TEST_STRING = "a test string";
406	>
407	>	static class StringTask implements Callable<String> {
408	>	public String call() { return TEST_STRING; }
409	>	}
410	>
411	>	static class NPETask implements Callable<String> {
412	>	public String call() { throw new NullPointerException(); }
413	>	}
414	>
415	>	static class CallableOne implements Callable<Integer> {
416	>	public Integer call() { return one; }
417	>	}
418	>
419	>	class ShortRunnable implements Runnable {
420		public void run() {
421		try {
422		Thread.sleep(SHORT_DELAY_MS);
423		}
424	<	catch(Exception e) {
425	<	threadFail("unexpectedException");
424	>	catch (Exception e) {
425	>	threadUnexpectedException(e);
426		}
427		}
428		}
429
430	<	public class ShortInterruptedRunnable implements Runnable {
430	>	class ShortInterruptedRunnable implements Runnable {
431		public void run() {
432		try {
433		Thread.sleep(SHORT_DELAY_MS);
434	<	threadFail("should throw IE");
434	>	threadShouldThrow();
435		}
436	<	catch(InterruptedException success) {
436	>	catch (InterruptedException success) {
437		}
438		}
439		}
440
441	<	public class SmallRunnable implements Runnable {
441	>	class SmallRunnable implements Runnable {
442		public void run() {
443		try {
444		Thread.sleep(SMALL_DELAY_MS);
445		}
446	<	catch(Exception e) {
447	<	threadFail("unexpectedException");
446	>	catch (Exception e) {
447	>	threadUnexpectedException(e);
448		}
449		}
450		}
451
452	<	public class SmallCallable implements Callable {
452	>	class SmallPossiblyInterruptedRunnable implements Runnable {
453	>	public void run() {
454	>	try {
455	>	Thread.sleep(SMALL_DELAY_MS);
456	>	}
457	>	catch (Exception e) {
458	>	}
459	>	}
460	>	}
461	>
462	>	class SmallCallable implements Callable {
463		public Object call() {
464		try {
465		Thread.sleep(SMALL_DELAY_MS);
466		}
467	<	catch(Exception e) {
468	<	threadFail("unexpectedException");
467	>	catch (Exception e) {
468	>	threadUnexpectedException(e);
469		}
470		return Boolean.TRUE;
471		}
472		}
473
474	<	public class SmallInterruptedRunnable implements Runnable {
474	>	class SmallInterruptedRunnable implements Runnable {
475		public void run() {
476		try {
477		Thread.sleep(SMALL_DELAY_MS);
478	<	threadFail("should throw IE");
478	>	threadShouldThrow();
479		}
480	<	catch(InterruptedException success) {
480	>	catch (InterruptedException success) {
481		}
482		}
483		}
484
485
486	<	public class MediumRunnable implements Runnable {
486	>	class MediumRunnable implements Runnable {
487		public void run() {
488		try {
489		Thread.sleep(MEDIUM_DELAY_MS);
490		}
491	<	catch(Exception e) {
492	<	threadFail("unexpectedException");
491	>	catch (Exception e) {
492	>	threadUnexpectedException(e);
493		}
494		}
495		}
496
497	<	public class MediumInterruptedRunnable implements Runnable {
497	>	class MediumInterruptedRunnable implements Runnable {
498		public void run() {
499		try {
500		Thread.sleep(MEDIUM_DELAY_MS);
501	<	threadFail("should throw IE");
501	>	threadShouldThrow();
502		}
503	<	catch(InterruptedException success) {
503	>	catch (InterruptedException success) {
504		}
505		}
506		}
507
508	<	public class MediumPossiblyInterruptedRunnable implements Runnable {
508	>	class MediumPossiblyInterruptedRunnable implements Runnable {
509		public void run() {
510		try {
511		Thread.sleep(MEDIUM_DELAY_MS);
512		}
513	<	catch(InterruptedException success) {
513	>	catch (InterruptedException success) {
514	>	}
515	>	}
516	>	}
517	>
518	>	class LongPossiblyInterruptedRunnable implements Runnable {
519	>	public void run() {
520	>	try {
521	>	Thread.sleep(LONG_DELAY_MS);
522	>	}
523	>	catch (InterruptedException success) {
524		}
525		}
526		}
527	<
527	>
528	>	/**
529	>	* For use as ThreadFactory in constructors
530	>	*/
531	>	static class SimpleThreadFactory implements ThreadFactory {
532	>	public Thread newThread(Runnable r) {
533	>	return new Thread(r);
534	>	}
535	>	}
536	>
537	>	static class TrackedShortRunnable implements Runnable {
538	>	volatile boolean done = false;
539	>	public void run() {
540	>	try {
541	>	Thread.sleep(SMALL_DELAY_MS);
542	>	done = true;
543	>	} catch (Exception e) {
544	>	}
545	>	}
546	>	}
547	>
548	>	static class TrackedMediumRunnable implements Runnable {
549	>	volatile boolean done = false;
550	>	public void run() {
551	>	try {
552	>	Thread.sleep(MEDIUM_DELAY_MS);
553	>	done = true;
554	>	} catch (Exception e) {
555	>	}
556	>	}
557	>	}
558	>
559	>	static class TrackedLongRunnable implements Runnable {
560	>	volatile boolean done = false;
561	>	public void run() {
562	>	try {
563	>	Thread.sleep(LONG_DELAY_MS);
564	>	done = true;
565	>	} catch (Exception e) {
566	>	}
567	>	}
568	>	}
569	>
570	>	static class TrackedNoOpRunnable implements Runnable {
571	>	volatile boolean done = false;
572	>	public void run() {
573	>	done = true;
574	>	}
575	>	}
576	>
577	>	static class TrackedCallable implements Callable {
578	>	volatile boolean done = false;
579	>	public Object call() {
580	>	try {
581	>	Thread.sleep(SMALL_DELAY_MS);
582	>	done = true;
583	>	} catch (Exception e) {
584	>	}
585	>	return Boolean.TRUE;
586	>	}
587	>	}
588	>
589	>
590	>	/**
591	>	* For use as RejectedExecutionHandler in constructors
592	>	*/
593	>	static class NoOpREHandler implements RejectedExecutionHandler {
594	>	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
595	>	}
596	>
597	>
598		}

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