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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 1.48 by jsr166, Tue Dec 1 22:51:44 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 static java.util.concurrent.TimeUnit.MILLISECONDS;
13		import java.io.*;
14	<
14	>	import java.security.*;
15
16		/**
17	<	* Base class for JSR166 Junit TCK tests.  Defines some constants and
18	<	* utility methods, as well as a simple framework for helping to make
19	<	* sure that assertions failing in generated threads cause the
20	<	* associated test that generated them to itself fail (which JUnit doe
21	<	* not otherwise arrange).  The rules for creating such tests are:
17	>	* Base class for JSR166 Junit TCK tests.  Defines some constants,
18	>	* utility methods and classes, as well as a simple framework for
19	>	* helping to make sure that assertions failing in generated threads
20	>	* cause the associated test that generated them to itself fail (which
21	>	* JUnit does not otherwise arrange).  The rules for creating such
22	>	* tests are:
23		*
24		* <ol>
25		*
26		* <li> All assertions in code running in generated threads must use
27	<	* the forms {@link threadFail} , {@link threadAssertTrue} {@link
28	<	* threadAssertEquals}, or {@link threadAssertNull}, (not
27	>	* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
28	>	* #threadAssertEquals}, or {@link #threadAssertNull}, (not
29		* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
30		* particularly recommended) for other code to use these forms too.
31		* Only the most typically used JUnit assertion methods are defined
32		* this way, but enough to live with.</li>
33		*
34	<	* <li> If you override {@link setUp} or {@link tearDown}, make sure
34	>	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
35		* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
36		* them. These methods are used to clear and check for thread
37		* assertion failures.</li>
38		*
39	<	* <li>All delays and timeouts must use one of the constants {@link
40	<	* SHORT_DELAY_MS}, {@link SMALL_DELAY_MS}, {@link MEDIUM_DELAY_MS},
41	<	* {@link LONG_DELAY_MS}. The idea here is that a SHORT is always
42	<	* discriminatable from zero time, and always allows enough time for
43	<	* the small amounts of computation (creating a thread, calling a few
39	>	* <li>All delays and timeouts must use one of the constants <tt>
40	>	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
41	>	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
42	>	* discriminable from zero time, and always allows enough time for the
43	>	* small amounts of computation (creating a thread, calling a few
44		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
45		* is always discriminable as larger than SHORT and smaller than
46		* MEDIUM.  And so on. These constants are set to conservative values,
47	<	* (100, 500, 1000, 5000 MS) but even so, if there is ever any doubt,
48	<	* they can all be increased in one spot to rerun tests on slower
46	<	* platforms</li>
47	>	* but even so, if there is ever any doubt, they can all be increased
48	>	* in one spot to rerun tests on slower platforms.</li>
49		*
50		* <li> All threads generated must be joined inside each test case
51		* method (or <tt>fail</tt> to do so) before returning from the
52	<	* method. The {@link joinPool} method can be used to do this when
52	>	* method. The <tt> joinPool</tt> method can be used to do this when
53		* using Executors.</li>
54		*
55		* </ol>
56	+	*
57	+	* <p> <b>Other notes</b>
58	+	* <ul>
59	+	*
60	+	* <li> Usually, there is one testcase method per JSR166 method
61	+	* covering "normal" operation, and then as many exception-testing
62	+	* methods as there are exceptions the method can throw. Sometimes
63	+	* there are multiple tests per JSR166 method when the different
64	+	* "normal" behaviors differ significantly. And sometimes testcases
65	+	* cover multiple methods when they cannot be tested in
66	+	* isolation.</li>
67	+	*
68	+	* <li> The documentation style for testcases is to provide as javadoc
69	+	* a simple sentence or two describing the property that the testcase
70	+	* method purports to test. The javadocs do not say anything about how
71	+	* the property is tested. To find out, read the code.</li>
72	+	*
73	+	* <li> These tests are "conformance tests", and do not attempt to
74	+	* test throughput, latency, scalability or other performance factors
75	+	* (see the separate "jtreg" tests for a set intended to check these
76	+	* for the most central aspects of functionality.) So, most tests use
77	+	* the smallest sensible numbers of threads, collection sizes, etc
78	+	* needed to check basic conformance.</li>
79	+	*
80	+	* <li>The test classes currently do not declare inclusion in
81	+	* any particular package to simplify things for people integrating
82	+	* them in TCK test suites.</li>
83	+	*
84	+	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
85	+	* runs all JSR166 unit tests.</li>
86	+	*
87	+	* </ul>
88		*/
89		public class JSR166TestCase extends TestCase {
90	+	/**
91	+	* Runs all JSR166 unit tests using junit.textui.TestRunner
92	+	*/
93	+	public static void main(String[] args) {
94	+	int iters = 1;
95	+	if (args.length > 0)
96	+	iters = Integer.parseInt(args[0]);
97	+	Test s = suite();
98	+	for (int i = 0; i < iters; ++i) {
99	+	junit.textui.TestRunner.run(s);
100	+	System.gc();
101	+	System.runFinalization();
102	+	}
103	+	System.exit(0);
104	+	}
105	+
106	+	/**
107	+	* Collects all JSR166 unit tests as one suite
108	+	*/
109	+	public static Test suite() {
110	+	TestSuite suite = new TestSuite("JSR166 Unit Tests");
111	+
112	+	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
113	+	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
114	+	suite.addTest(new TestSuite(RecursiveActionTest.class));
115	+	suite.addTest(new TestSuite(RecursiveTaskTest.class));
116	+	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
117	+	suite.addTest(new TestSuite(PhaserTest.class));
118	+	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
119	+	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
120	+	suite.addTest(new TestSuite(AbstractQueueTest.class));
121	+	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
122	+	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
123	+	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
124	+	suite.addTest(new TestSuite(ArrayDequeTest.class));
125	+	suite.addTest(new TestSuite(AtomicBooleanTest.class));
126	+	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
127	+	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
128	+	suite.addTest(new TestSuite(AtomicIntegerTest.class));
129	+	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
130	+	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
131	+	suite.addTest(new TestSuite(AtomicLongTest.class));
132	+	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
133	+	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
134	+	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
135	+	suite.addTest(new TestSuite(AtomicReferenceTest.class));
136	+	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
137	+	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
138	+	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
139	+	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
140	+	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
141	+	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
142	+	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
143	+	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
144	+	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
145	+	suite.addTest(new TestSuite(CountDownLatchTest.class));
146	+	suite.addTest(new TestSuite(CyclicBarrierTest.class));
147	+	suite.addTest(new TestSuite(DelayQueueTest.class));
148	+	suite.addTest(new TestSuite(EntryTest.class));
149	+	suite.addTest(new TestSuite(ExchangerTest.class));
150	+	suite.addTest(new TestSuite(ExecutorsTest.class));
151	+	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
152	+	suite.addTest(new TestSuite(FutureTaskTest.class));
153	+	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
154	+	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
155	+	suite.addTest(new TestSuite(LinkedListTest.class));
156	+	suite.addTest(new TestSuite(LockSupportTest.class));
157	+	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
158	+	suite.addTest(new TestSuite(PriorityQueueTest.class));
159	+	suite.addTest(new TestSuite(ReentrantLockTest.class));
160	+	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
161	+	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
162	+	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
163	+	suite.addTest(new TestSuite(SemaphoreTest.class));
164	+	suite.addTest(new TestSuite(SynchronousQueueTest.class));
165	+	suite.addTest(new TestSuite(SystemTest.class));
166	+	suite.addTest(new TestSuite(ThreadLocalTest.class));
167	+	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
168	+	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
169	+	suite.addTest(new TestSuite(ThreadTest.class));
170	+	suite.addTest(new TestSuite(TimeUnitTest.class));
171	+	suite.addTest(new TestSuite(TreeMapTest.class));
172	+	suite.addTest(new TestSuite(TreeSetTest.class));
173	+	suite.addTest(new TestSuite(TreeSubMapTest.class));
174	+	suite.addTest(new TestSuite(TreeSubSetTest.class));
175	+
176	+	return suite;
177	+	}
178	+
179	+
180	+	public static long SHORT_DELAY_MS;
181	+	public static long SMALL_DELAY_MS;
182	+	public static long MEDIUM_DELAY_MS;
183	+	public static long LONG_DELAY_MS;
184	+
185	+
186	+	/**
187	+	* Returns the shortest timed delay. This could
188	+	* be reimplemented to use for example a Property.
189	+	*/
190	+	protected long getShortDelay() {
191	+	return 50;
192	+	}
193	+
194	+
195	+	/**
196	+	* Sets delays as multiples of SHORT_DELAY.
197	+	*/
198	+	protected void setDelays() {
199	+	SHORT_DELAY_MS = getShortDelay();
200	+	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
201	+	MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
202	+	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
203	+	}
204
205		/**
206		* Flag set true if any threadAssert methods fail
207		*/
208	<	protected volatile boolean threadFailed;
208	>	volatile boolean threadFailed;
209
210		/**
211	<	* Initialize test to indicat that no thread assertions have failed
211	>	* Initializes test to indicate that no thread assertions have failed
212		*/
213	<	public void setUp() {
214	<	threadFailed = false;
213	>	public void setUp() {
214	>	setDelays();
215	>	threadFailed = false;
216		}
217
218		/**
219	<	* Trigger test case failure if any thread assertions have failed
219	>	* Triggers test case failure if any thread assertions have failed
220		*/
221	<	public void tearDown() {
222	<	assertFalse(threadFailed);
221	>	public void tearDown() {
222	>	assertFalse(threadFailed);
223		}
224
225	+	/**
226	+	* Fail, also setting status to indicate current testcase should fail
227	+	*/
228		public void threadFail(String reason) {
229		threadFailed = true;
230		fail(reason);
231		}
232
233	+	/**
234	+	* If expression not true, set status to indicate current testcase
235	+	* should fail
236	+	*/
237		public void threadAssertTrue(boolean b) {
238		if (!b) {
239		threadFailed = true;
240		assertTrue(b);
241		}
242		}
243	+
244	+	/**
245	+	* If expression not false, set status to indicate current testcase
246	+	* should fail
247	+	*/
248		public void threadAssertFalse(boolean b) {
249		if (b) {
250		threadFailed = true;
251		assertFalse(b);
252		}
253		}
254	+
255	+	/**
256	+	* If argument not null, set status to indicate current testcase
257	+	* should fail
258	+	*/
259		public void threadAssertNull(Object x) {
260		if (x != null) {
261		threadFailed = true;
262		assertNull(x);
263		}
264		}
265	+
266	+	/**
267	+	* If arguments not equal, set status to indicate current testcase
268	+	* should fail
269	+	*/
270		public void threadAssertEquals(long x, long y) {
271		if (x != y) {
272		threadFailed = true;
273		assertEquals(x, y);
274		}
275		}
276	+
277	+	/**
278	+	* If arguments not equal, set status to indicate current testcase
279	+	* should fail
280	+	*/
281		public void threadAssertEquals(Object x, Object y) {
282		if (x != y && (x == null || !x.equals(y))) {
283		threadFailed = true;
#	Line 110 | Line 286 | public class JSR166TestCase extends Test
286		}
287
288		/**
289	+	* threadFail with message "should throw exception"
290	+	*/
291	+	public void threadShouldThrow() {
292	+	threadFailed = true;
293	+	fail("should throw exception");
294	+	}
295	+
296	+	/**
297	+	* threadFail with message "should throw" + exceptionName
298	+	*/
299	+	public void threadShouldThrow(String exceptionName) {
300	+	threadFailed = true;
301	+	fail("should throw " + exceptionName);
302	+	}
303	+
304	+	/**
305	+	* threadFail with message "Unexpected exception"
306	+	*/
307	+	public void threadUnexpectedException() {
308	+	threadFailed = true;
309	+	fail("Unexpected exception");
310	+	}
311	+
312	+	/**
313	+	* threadFail with message "Unexpected exception", with argument
314	+	*/
315	+	public void threadUnexpectedException(Throwable ex) {
316	+	threadFailed = true;
317	+	ex.printStackTrace();
318	+	fail("Unexpected exception: " + ex);
319	+	}
320	+
321	+	/**
322		* Wait out termination of a thread pool or fail doing so
323		*/
324		public void joinPool(ExecutorService exec) {
325		try {
326		exec.shutdown();
327	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
328	<	} catch(InterruptedException ie) {
329	<	fail("unexpected exception");
327	>	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
328	>	} catch (SecurityException ok) {
329	>	// Allowed in case test doesn't have privs
330	>	} catch (InterruptedException ie) {
331	>	fail("Unexpected InterruptedException");
332		}
333		}
334
335	<	public static final long SHORT_DELAY_MS =   100;
336	<	public static final long SMALL_DELAY_MS =   500;
337	<	public static final long MEDIUM_DELAY_MS = 1000;
338	<	public static final long LONG_DELAY_MS =   5000;
335	>
336	>	/**
337	>	* fail with message "should throw exception"
338	>	*/
339	>	public void shouldThrow() {
340	>	fail("Should throw exception");
341	>	}
342	>
343	>	/**
344	>	* fail with message "should throw " + exceptionName
345	>	*/
346	>	public void shouldThrow(String exceptionName) {
347	>	fail("Should throw " + exceptionName);
348	>	}
349	>
350	>	/**
351	>	* fail with message "Unexpected exception"
352	>	*/
353	>	public void unexpectedException() {
354	>	fail("Unexpected exception");
355	>	}
356	>
357	>	/**
358	>	* fail with message "Unexpected exception", with argument
359	>	*/
360	>	public void unexpectedException(Throwable ex) {
361	>	ex.printStackTrace();
362	>	fail("Unexpected exception: " + ex);
363	>	}
364
365
366		/**
#	Line 134 | Line 370 | public class JSR166TestCase extends Test
370
371		// Some convenient Integer constants
372
373	<	public static final Integer zero = new Integer(0);
374	<	public static final Integer one = new Integer(1);
375	<	public static final Integer two = new Integer(2);
376	<	public static final Integer three  = new Integer(3);
373	>	public static final Integer zero  = new Integer(0);
374	>	public static final Integer one   = new Integer(1);
375	>	public static final Integer two   = new Integer(2);
376	>	public static final Integer three = new Integer(3);
377		public static final Integer four  = new Integer(4);
378		public static final Integer five  = new Integer(5);
379	<	public static final Integer six = new Integer(6);
379	>	public static final Integer six   = new Integer(6);
380		public static final Integer seven = new Integer(7);
381		public static final Integer eight = new Integer(8);
382	<	public static final Integer nine = new Integer(9);
382	>	public static final Integer nine  = new Integer(9);
383		public static final Integer m1  = new Integer(-1);
384		public static final Integer m2  = new Integer(-2);
385		public static final Integer m3  = new Integer(-3);
386	<	public static final Integer m4 = new Integer(-4);
387	<	public static final Integer m5 = new Integer(-5);
386	>	public static final Integer m4  = new Integer(-4);
387	>	public static final Integer m5  = new Integer(-5);
388	>	public static final Integer m6  = new Integer(-6);
389		public static final Integer m10 = new Integer(-10);
390
391
392	<	// Some convenient Runnable classes
392	>	/**
393	>	* A security policy where new permissions can be dynamically added
394	>	* or all cleared.
395	>	*/
396	>	public static class AdjustablePolicy extends java.security.Policy {
397	>	Permissions perms = new Permissions();
398	>	AdjustablePolicy() { }
399	>	void addPermission(Permission perm) { perms.add(perm); }
400	>	void clearPermissions() { perms = new Permissions(); }
401	>	public PermissionCollection getPermissions(CodeSource cs) {
402	>	return perms;
403	>	}
404	>	public PermissionCollection getPermissions(ProtectionDomain pd) {
405	>	return perms;
406	>	}
407	>	public boolean implies(ProtectionDomain pd, Permission p) {
408	>	return perms.implies(p);
409	>	}
410	>	public void refresh() {}
411	>	}
412
413	<	public static class NoOpRunnable implements Runnable {
414	<	public void run() {}
413	>	/**
414	>	* Sleep until the timeout has elapsed, or interrupted.
415	>	* Does <em>NOT</em> throw InterruptedException.
416	>	*/
417	>	void sleepTillInterrupted(long timeoutMillis) {
418	>	try {
419	>	Thread.sleep(timeoutMillis);
420	>	} catch (InterruptedException wakeup) {}
421		}
422
423	<	public static class NoOpCallable implements Callable {
424	<	public Object call() { return Boolean.TRUE; }
423	>	/**
424	>	* Returns a new started Thread running the given runnable.
425	>	*/
426	>	Thread newStartedThread(Runnable runnable) {
427	>	Thread t = new Thread(runnable);
428	>	t.start();
429	>	return t;
430		}
431
432	<	public class ShortRunnable implements Runnable {
433	<	public void run() {
432	>	// Some convenient Runnable classes
433	>
434	>	public abstract class CheckedRunnable implements Runnable {
435	>	protected abstract void realRun() throws Throwable;
436	>
437	>	public final void run() {
438		try {
439	<	Thread.sleep(SHORT_DELAY_MS);
439	>	realRun();
440	>	} catch (Throwable t) {
441	>	threadUnexpectedException(t);
442		}
443	<	catch(Exception e) {
444	<	threadFail("unexpectedException");
443	>	}
444	>	}
445	>
446	>	public abstract class RunnableShouldThrow implements Runnable {
447	>	protected abstract void realRun() throws Throwable;
448	>
449	>	final Class<?> exceptionClass;
450	>
451	>	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
452	>	this.exceptionClass = exceptionClass;
453	>	}
454	>
455	>	public final void run() {
456	>	try {
457	>	realRun();
458	>	threadShouldThrow(exceptionClass.getSimpleName());
459	>	} catch (Throwable t) {
460	>	if (! exceptionClass.isInstance(t))
461	>	threadUnexpectedException(t);
462		}
463		}
464		}
465
466	<	public class ShortInterruptedRunnable implements Runnable {
467	<	public void run() {
466	>	public abstract class ThreadShouldThrow extends Thread {
467	>	protected abstract void realRun() throws Throwable;
468	>
469	>	final Class<?> exceptionClass;
470	>
471	>	<T extends Throwable> ThreadShouldThrow(Class<T> exceptionClass) {
472	>	this.exceptionClass = exceptionClass;
473	>	}
474	>
475	>	public final void run() {
476		try {
477	<	Thread.sleep(SHORT_DELAY_MS);
478	<	threadFail("should throw IE");
477	>	realRun();
478	>	threadShouldThrow(exceptionClass.getSimpleName());
479	>	} catch (Throwable t) {
480	>	if (! exceptionClass.isInstance(t))
481	>	threadUnexpectedException(t);
482		}
483	<	catch(InterruptedException success) {
483	>	}
484	>	}
485	>
486	>	public abstract class CheckedInterruptedRunnable implements Runnable {
487	>	protected abstract void realRun() throws Throwable;
488	>
489	>	public final void run() {
490	>	try {
491	>	realRun();
492	>	threadShouldThrow("InterruptedException");
493	>	} catch (InterruptedException success) {
494	>	} catch (Throwable t) {
495	>	threadUnexpectedException(t);
496		}
497		}
498		}
499
500	<	public class SmallRunnable implements Runnable {
501	<	public void run() {
500	>	public abstract class CheckedCallable<T> implements Callable<T> {
501	>	protected abstract T realCall() throws Throwable;
502	>
503	>	public final T call() {
504		try {
505	<	Thread.sleep(SMALL_DELAY_MS);
505	>	return realCall();
506	>	} catch (Throwable t) {
507	>	threadUnexpectedException(t);
508		}
509	<	catch(Exception e) {
510	<	threadFail("unexpectedException");
509	>	return null;
510	>	}
511	>	}
512	>
513	>	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
514	>	protected abstract T realCall() throws Throwable;
515	>
516	>	public final T call() {
517	>	try {
518	>	T result = realCall();
519	>	threadShouldThrow("InterruptedException");
520	>	return result;
521	>	} catch (InterruptedException success) {
522	>	} catch (Throwable t) {
523	>	threadUnexpectedException(t);
524		}
525	+	return null;
526		}
527		}
528
529	<	public class SmallCallable implements Callable {
530	<	public Object call() {
529	>	public static class NoOpRunnable implements Runnable {
530	>	public void run() {}
531	>	}
532	>
533	>	public static class NoOpCallable implements Callable {
534	>	public Object call() { return Boolean.TRUE; }
535	>	}
536	>
537	>	public static final String TEST_STRING = "a test string";
538	>
539	>	public static class StringTask implements Callable<String> {
540	>	public String call() { return TEST_STRING; }
541	>	}
542	>
543	>	public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
544	>	return new CheckedCallable<String>() {
545	>	public String realCall() {
546	>	try {
547	>	latch.await();
548	>	} catch (InterruptedException quittingTime) {}
549	>	return TEST_STRING;
550	>	}};
551	>	}
552	>
553	>	public static class NPETask implements Callable<String> {
554	>	public String call() { throw new NullPointerException(); }
555	>	}
556	>
557	>	public static class CallableOne implements Callable<Integer> {
558	>	public Integer call() { return one; }
559	>	}
560	>
561	>	public class ShortRunnable extends CheckedRunnable {
562	>	protected void realRun() throws Throwable {
563	>	Thread.sleep(SHORT_DELAY_MS);
564	>	}
565	>	}
566	>
567	>	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
568	>	protected void realRun() throws InterruptedException {
569	>	Thread.sleep(SHORT_DELAY_MS);
570	>	}
571	>	}
572	>
573	>	public class SmallRunnable extends CheckedRunnable {
574	>	protected void realRun() throws Throwable {
575	>	Thread.sleep(SMALL_DELAY_MS);
576	>	}
577	>	}
578	>
579	>	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
580	>	protected void realRun() {
581		try {
582		Thread.sleep(SMALL_DELAY_MS);
583	<	}
584	<	catch(Exception e) {
585	<	threadFail("unexpectedException");
586	<	}
583	>	} catch (InterruptedException ok) {}
584	>	}
585	>	}
586	>
587	>	public class SmallCallable extends CheckedCallable {
588	>	protected Object realCall() throws InterruptedException {
589	>	Thread.sleep(SMALL_DELAY_MS);
590		return Boolean.TRUE;
591		}
592		}
593
594	<	public class SmallInterruptedRunnable implements Runnable {
594	>	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
595	>	protected void realRun() throws InterruptedException {
596	>	Thread.sleep(SMALL_DELAY_MS);
597	>	}
598	>	}
599	>
600	>	public class MediumRunnable extends CheckedRunnable {
601	>	protected void realRun() throws Throwable {
602	>	Thread.sleep(MEDIUM_DELAY_MS);
603	>	}
604	>	}
605	>
606	>	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
607	>	protected void realRun() throws InterruptedException {
608	>	Thread.sleep(MEDIUM_DELAY_MS);
609	>	}
610	>	}
611	>
612	>	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
613	>	protected void realRun() {
614	>	try {
615	>	Thread.sleep(MEDIUM_DELAY_MS);
616	>	} catch (InterruptedException ok) {}
617	>	}
618	>	}
619	>
620	>	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
621	>	protected void realRun() {
622	>	try {
623	>	Thread.sleep(LONG_DELAY_MS);
624	>	} catch (InterruptedException ok) {}
625	>	}
626	>	}
627	>
628	>	/**
629	>	* For use as ThreadFactory in constructors
630	>	*/
631	>	public static class SimpleThreadFactory implements ThreadFactory {
632	>	public Thread newThread(Runnable r) {
633	>	return new Thread(r);
634	>	}
635	>	}
636	>
637	>	public static class TrackedShortRunnable implements Runnable {
638	>	public volatile boolean done = false;
639		public void run() {
640		try {
641		Thread.sleep(SMALL_DELAY_MS);
642	<	threadFail("should throw IE");
643	<	}
216	<	catch(InterruptedException success) {
217	<	}
642	>	done = true;
643	>	} catch (InterruptedException ok) {}
644		}
645		}
646
647	<
648	<	public class MediumRunnable implements Runnable {
647	>	public static class TrackedMediumRunnable implements Runnable {
648	>	public volatile boolean done = false;
649		public void run() {
650		try {
651		Thread.sleep(MEDIUM_DELAY_MS);
652	<	}
653	<	catch(Exception e) {
228	<	threadFail("unexpectedException");
229	<	}
652	>	done = true;
653	>	} catch (InterruptedException ok) {}
654		}
655		}
656
657	<	public class MediumInterruptedRunnable implements Runnable {
657	>	public static class TrackedLongRunnable implements Runnable {
658	>	public volatile boolean done = false;
659		public void run() {
660		try {
661	<	Thread.sleep(MEDIUM_DELAY_MS);
662	<	threadFail("should throw IE");
663	<	}
239	<	catch(InterruptedException success) {
240	<	}
661	>	Thread.sleep(LONG_DELAY_MS);
662	>	done = true;
663	>	} catch (InterruptedException ok) {}
664		}
665		}
666
667	<	public class MediumPossiblyInterruptedRunnable implements Runnable {
667	>	public static class TrackedNoOpRunnable implements Runnable {
668	>	public volatile boolean done = false;
669		public void run() {
670	+	done = true;
671	+	}
672	+	}
673	+
674	+	public static class TrackedCallable implements Callable {
675	+	public volatile boolean done = false;
676	+	public Object call() {
677		try {
678	<	Thread.sleep(MEDIUM_DELAY_MS);
679	<	}
680	<	catch(InterruptedException success) {
681	<	}
678	>	Thread.sleep(SMALL_DELAY_MS);
679	>	done = true;
680	>	} catch (InterruptedException ok) {}
681	>	return Boolean.TRUE;
682		}
683		}
684	<
684	>
685	>
686	>	/**
687	>	* For use as RejectedExecutionHandler in constructors
688	>	*/
689	>	public static class NoOpREHandler implements RejectedExecutionHandler {
690	>	public void rejectedExecution(Runnable r,
691	>	ThreadPoolExecutor executor) {}
692	>	}
693	>
694		}

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