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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.19 by dl, Sun Feb 28 13:35:22 2010 UTC vs.
Revision 1.31 by jsr166, Sat Oct 9 19:46:42 2010 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/licenses/publicdomain
5		*/
6
7	–
7		import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
8	>	import java.util.ArrayList;
9	>	import java.util.Collection;
10	>	import java.util.List;
11	>	import java.util.concurrent.Executors;
12	>	import java.util.concurrent.ExecutorService;
13	>	import java.util.concurrent.AbstractExecutorService;
14	>	import java.util.concurrent.CountDownLatch;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.Future;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.RejectedExecutionException;
20	>	import java.util.concurrent.ForkJoinPool;
21	>	import java.util.concurrent.ForkJoinTask;
22	>	import java.util.concurrent.ForkJoinWorkerThread;
23	>	import java.util.concurrent.RecursiveTask;
24	>	import java.util.concurrent.TimeUnit;
25	>	import java.util.concurrent.locks.ReentrantLock;
26		import static java.util.concurrent.TimeUnit.MILLISECONDS;
27	<	import java.util.concurrent.locks.*;
28	<	import java.security.*;
27	>	import java.security.AccessControlException;
28	>	import java.security.Policy;
29	>	import java.security.PrivilegedAction;
30	>	import java.security.PrivilegedExceptionAction;
31
32		public class ForkJoinPoolTest extends JSR166TestCase {
33		public static void main(String[] args) {
34	<	junit.textui.TestRunner.run (suite());
34	>	junit.textui.TestRunner.run(suite());
35		}
36	+
37		public static Test suite() {
38		return new TestSuite(ForkJoinPoolTest.class);
39		}
#	Line 39 | Line 57 | public class ForkJoinPoolTest extends JS
57		// Some classes to test extension and factory methods
58
59		static class MyHandler implements Thread.UncaughtExceptionHandler {
60	<	int catches = 0;
60	>	volatile int catches = 0;
61		public void uncaughtException(Thread t, Throwable e) {
62		++catches;
63		}
#	Line 48 | Line 66 | public class ForkJoinPoolTest extends JS
66		// to test handlers
67		static class FailingFJWSubclass extends ForkJoinWorkerThread {
68		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
69	<	protected void onStart() { throw new Error(); }
69	>	protected void onStart() { super.onStart(); throw new Error(); }
70		}
71
72		static class FailingThreadFactory
73		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
74	<	int calls = 0;
74	>	volatile int calls = 0;
75		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
76		if (++calls > 1) return null;
77		return new FailingFJWSubclass(p);
#	Line 142 | Line 160 | public class ForkJoinPoolTest extends JS
160		* tasks, and quiescent running state.
161		*/
162		public void testDefaultInitialState() {
163	<	ForkJoinPool p = null;
163	>	ForkJoinPool p = new ForkJoinPool(1);
164		try {
165	<	p = new ForkJoinPool(1);
166	<	assertTrue(p.getFactory() ==
149	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
165	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
166	>	p.getFactory());
167		assertTrue(p.isQuiescent());
151	–	assertTrue(p.getMaintainsParallelism());
168		assertFalse(p.getAsyncMode());
169	<	assertTrue(p.getActiveThreadCount() == 0);
170	<	assertTrue(p.getStealCount() == 0);
171	<	assertTrue(p.getQueuedTaskCount() == 0);
172	<	assertTrue(p.getQueuedSubmissionCount() == 0);
169	>	assertEquals(0, p.getActiveThreadCount());
170	>	assertEquals(0, p.getStealCount());
171	>	assertEquals(0, p.getQueuedTaskCount());
172	>	assertEquals(0, p.getQueuedSubmissionCount());
173		assertFalse(p.hasQueuedSubmissions());
174		assertFalse(p.isShutdown());
175		assertFalse(p.isTerminating());
#	Line 178 | Line 194 | public class ForkJoinPoolTest extends JS
194		*/
195		public void testConstructor2() {
196		try {
197	<	new ForkJoinPool(1, null);
197	>	new ForkJoinPool(1, null, null, false);
198		shouldThrow();
199		} catch (NullPointerException success) {}
200		}
#	Line 188 | Line 204 | public class ForkJoinPoolTest extends JS
204		* getParallelism returns size set in constructor
205		*/
206		public void testGetParallelism() {
207	<	ForkJoinPool p = null;
192	<	try {
193	<	p = new ForkJoinPool(1);
194	<	assertTrue(p.getParallelism() == 1);
195	<	} finally {
196	<	joinPool(p);
197	<	}
198	<	}
199	<
200	<	/**
201	<	* setParallelism changes reported parallelism level.
202	<	*/
203	<	public void testSetParallelism() {
204	<	ForkJoinPool p = null;
205	<	try {
206	<	p = new ForkJoinPool(1);
207	<	assertTrue(p.getParallelism() == 1);
208	<	p.setParallelism(2);
209	<	assertTrue(p.getParallelism() == 2);
210	<	} finally {
211	<	joinPool(p);
212	<	}
213	<	}
214	<
215	<	/**
216	<	* setParallelism with argument <= 0 throws exception
217	<	*/
218	<	public void testSetParallelism2() {
219	<	ForkJoinPool p = null;
207	>	ForkJoinPool p = new ForkJoinPool(1);
208		try {
209	<	p = new ForkJoinPool(1);
222	<	assertTrue(p.getParallelism() == 1);
223	<	p.setParallelism(-2);
224	<	shouldThrow();
225	<	} catch (IllegalArgumentException success) {
209	>	assertEquals(1, p.getParallelism());
210		} finally {
211		joinPool(p);
212		}
#	Line 232 | Line 216 | public class ForkJoinPoolTest extends JS
216		* getPoolSize returns number of started workers.
217		*/
218		public void testGetPoolSize() {
219	<	ForkJoinPool p = null;
219	>	ForkJoinPool p = new ForkJoinPool(1);
220		try {
221	<	p = new ForkJoinPool(1);
238	<	assertTrue(p.getActiveThreadCount() == 0);
221	>	assertEquals(0, p.getActiveThreadCount());
222		Future<String> future = p.submit(new StringTask());
223	<	assertTrue(p.getPoolSize() == 1);
241	<
242	<	} finally {
243	<	joinPool(p);
244	<	}
245	<	}
246	<
247	<	/**
248	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
249	<	*/
250	<	public void testSetMaximumPoolSize() {
251	<	ForkJoinPool p = null;
252	<	try {
253	<	p = new ForkJoinPool(1);
254	<	p.setMaximumPoolSize(2);
255	<	assertTrue(p.getMaximumPoolSize() == 2);
256	<	} finally {
257	<	joinPool(p);
258	<	}
259	<	}
260	<
261	<	/**
262	<	* setMaximumPoolSize with argument <= 0 throws exception
263	<	*/
264	<	public void testSetMaximumPoolSize2() {
265	<	ForkJoinPool p = null;
266	<	try {
267	<	p = new ForkJoinPool(1);
268	<	p.setMaximumPoolSize(-2);
269	<	shouldThrow();
270	<	} catch (IllegalArgumentException success) {
271	<	} finally {
272	<	joinPool(p);
273	<	}
274	<	}
275	<
276	<	/**
277	<	* setMaintainsParallelism changes policy reported by
278	<	* getMaintainsParallelism.
279	<	*/
280	<	public void testSetMaintainsParallelism() {
281	<	ForkJoinPool p = null;
282	<	try {
283	<	p = new ForkJoinPool(1);
284	<	p.setMaintainsParallelism(false);
285	<	assertFalse(p.getMaintainsParallelism());
286	<	} finally {
287	<	joinPool(p);
288	<	}
289	<	}
290	<
291	<	/**
292	<	* setAsyncMode changes policy reported by
293	<	* getAsyncMode.
294	<	*/
295	<	public void testSetAsyncMode() {
296	<	ForkJoinPool p = null;
297	<	try {
298	<	p = new ForkJoinPool(1);
299	<	p.setAsyncMode(true);
300	<	assertTrue(p.getAsyncMode());
223	>	assertEquals(1, p.getPoolSize());
224		} finally {
225		joinPool(p);
226		}
#	Line 310 | Line 233 | public class ForkJoinPoolTest extends JS
233		* performs its defined action
234		*/
235		public void testSetUncaughtExceptionHandler() throws InterruptedException {
236	<	ForkJoinPool p = null;
237	<	try {
238	<	p = new ForkJoinPool(1, new FailingThreadFactory());
239	<	MyHandler eh = new MyHandler();
240	<	p.setUncaughtExceptionHandler(eh);
241	<	assertEquals(eh, p.getUncaughtExceptionHandler());
242	<	p.execute(new FailingTask());
243	<	Thread.sleep(MEDIUM_DELAY_MS);
244	<	assertTrue(eh.catches > 0);
236	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
237	>	final Thread.UncaughtExceptionHandler eh =
238	>	new Thread.UncaughtExceptionHandler() {
239	>	public void uncaughtException(Thread t, Throwable e) {
240	>	uehInvoked.countDown();
241	>	}};
242	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
243	>	eh, false);
244	>	try {
245	>	assertSame(eh, p.getUncaughtExceptionHandler());
246	>	p.execute(new FibTask(8));
247	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
248		} finally {
249	<	p.shutdownNow();
249	>	p.shutdownNow(); // failure might have prevented processing task
250		joinPool(p);
251		}
252		}
253
254		/**
329	–	* setUncaughtExceptionHandler of null removes handler
330	–	*/
331	–	public void testSetUncaughtExceptionHandler2() {
332	–	ForkJoinPool p = null;
333	–	try {
334	–	p = new ForkJoinPool(1);
335	–	p.setUncaughtExceptionHandler(null);
336	–	assertNull(p.getUncaughtExceptionHandler());
337	–	} finally {
338	–	joinPool(p);
339	–	}
340	–	}
341	–
342	–
343	–	/**
255		* After invoking a single task, isQuiescent is true,
256		* queues are empty, threads are not active, and
257		* construction parameters continue to hold
258		*/
259		public void testisQuiescent() throws InterruptedException {
260	<	ForkJoinPool p = null;
260	>	ForkJoinPool p = new ForkJoinPool(2);
261		try {
262	<	p = new ForkJoinPool(2);
262	>	assertTrue(p.isQuiescent());
263		p.invoke(new FibTask(20));
264	<	assertTrue(p.getFactory() ==
265	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
266	<	Thread.sleep(MEDIUM_DELAY_MS);
264	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
265	>	p.getFactory());
266	>	Thread.sleep(SMALL_DELAY_MS);
267		assertTrue(p.isQuiescent());
357	–	assertTrue(p.getMaintainsParallelism());
268		assertFalse(p.getAsyncMode());
269	<	assertTrue(p.getActiveThreadCount() == 0);
270	<	assertTrue(p.getQueuedTaskCount() == 0);
271	<	assertTrue(p.getQueuedSubmissionCount() == 0);
269	>	assertEquals(0, p.getActiveThreadCount());
270	>	assertEquals(0, p.getQueuedTaskCount());
271	>	assertEquals(0, p.getQueuedSubmissionCount());
272		assertFalse(p.hasQueuedSubmissions());
273		assertFalse(p.isShutdown());
274		assertFalse(p.isTerminating());
#	Line 372 | Line 282 | public class ForkJoinPoolTest extends JS
282		* Completed submit(ForkJoinTask) returns result
283		*/
284		public void testSubmitForkJoinTask() throws Throwable {
285	<	ForkJoinPool p = null;
285	>	ForkJoinPool p = new ForkJoinPool(1);
286		try {
377	–	p = new ForkJoinPool(1);
287		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
288	<	int r = f.get();
380	<	assertTrue(r == 21);
288	>	assertEquals(21, (int) f.get());
289		} finally {
290		joinPool(p);
291		}
#	Line 387 | Line 295 | public class ForkJoinPoolTest extends JS
295		* A task submitted after shutdown is rejected
296		*/
297		public void testSubmitAfterShutdown() {
298	<	ForkJoinPool p = null;
298	>	ForkJoinPool p = new ForkJoinPool(1);
299		try {
392	–	p = new ForkJoinPool(1);
300		p.shutdown();
301		assertTrue(p.isShutdown());
302	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
303	<	shouldThrow();
304	<	} catch (RejectedExecutionException success) {
302	>	try {
303	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
304	>	shouldThrow();
305	>	} catch (RejectedExecutionException success) {}
306		} finally {
307		joinPool(p);
308		}
#	Line 404 | Line 312 | public class ForkJoinPoolTest extends JS
312		* Pool maintains parallelism when using ManagedBlocker
313		*/
314		public void testBlockingForkJoinTask() throws Throwable {
315	<	ForkJoinPool p = null;
315	>	ForkJoinPool p = new ForkJoinPool(4);
316		try {
409	–	p = new ForkJoinPool(4);
317		ReentrantLock lock = new ReentrantLock();
318		ManagedLocker locker = new ManagedLocker(lock);
319		ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
320		p.execute(f);
321	<	assertTrue(p.getPoolSize() >= 4);
415	<	int r = f.get();
416	<	assertTrue(r == 832040);
321	>	assertEquals(832040, (int) f.get());
322		} finally {
323		p.shutdownNow(); // don't wait out shutdown
324		}
#	Line 423 | Line 328 | public class ForkJoinPoolTest extends JS
328		* pollSubmission returns unexecuted submitted task, if present
329		*/
330		public void testPollSubmission() {
331	<	SubFJP p = null;
331	>	SubFJP p = new SubFJP();
332		try {
428	–	p = new SubFJP();
333		ForkJoinTask a = p.submit(new MediumRunnable());
334		ForkJoinTask b = p.submit(new MediumRunnable());
335		ForkJoinTask c = p.submit(new MediumRunnable());
#	Line 441 | Line 345 | public class ForkJoinPoolTest extends JS
345		* drainTasksTo transfers unexecuted submitted tasks, if present
346		*/
347		public void testDrainTasksTo() {
348	<	SubFJP p = null;
348	>	SubFJP p = new SubFJP();
349		try {
446	–	p = new SubFJP();
350		ForkJoinTask a = p.submit(new MediumRunnable());
351		ForkJoinTask b = p.submit(new MediumRunnable());
352		ForkJoinTask c = p.submit(new MediumRunnable());
#	Line 467 | Line 370 | public class ForkJoinPoolTest extends JS
370		*/
371		public void testExecuteRunnable() throws Throwable {
372		ExecutorService e = new ForkJoinPool(1);
373	<	TrackedShortRunnable task = new TrackedShortRunnable();
374	<	assertFalse(task.done);
375	<	Future<?> future = e.submit(task);
376	<	future.get();
377	<	assertTrue(task.done);
373	>	try {
374	>	TrackedShortRunnable task = new TrackedShortRunnable();
375	>	assertFalse(task.done);
376	>	Future<?> future = e.submit(task);
377	>	future.get();
378	>	assertTrue(task.done);
379	>	} finally {
380	>	joinPool(e);
381	>	}
382		}
383
384
#	Line 480 | Line 387 | public class ForkJoinPoolTest extends JS
387		*/
388		public void testSubmitCallable() throws Throwable {
389		ExecutorService e = new ForkJoinPool(1);
390	<	Future<String> future = e.submit(new StringTask());
391	<	String result = future.get();
392	<	assertSame(TEST_STRING, result);
390	>	try {
391	>	Future<String> future = e.submit(new StringTask());
392	>	String result = future.get();
393	>	assertSame(TEST_STRING, result);
394	>	} finally {
395	>	joinPool(e);
396	>	}
397		}
398
399		/**
#	Line 490 | Line 401 | public class ForkJoinPoolTest extends JS
401		*/
402		public void testSubmitRunnable() throws Throwable {
403		ExecutorService e = new ForkJoinPool(1);
404	<	Future<?> future = e.submit(new NoOpRunnable());
405	<	future.get();
406	<	assertTrue(future.isDone());
404	>	try {
405	>	Future<?> future = e.submit(new NoOpRunnable());
406	>	future.get();
407	>	assertTrue(future.isDone());
408	>	} finally {
409	>	joinPool(e);
410	>	}
411		}
412
413		/**
#	Line 500 | Line 415 | public class ForkJoinPoolTest extends JS
415		*/
416		public void testSubmitRunnable2() throws Throwable {
417		ExecutorService e = new ForkJoinPool(1);
418	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
419	<	String result = future.get();
420	<	assertSame(TEST_STRING, result);
418	>	try {
419	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
420	>	String result = future.get();
421	>	assertSame(TEST_STRING, result);
422	>	} finally {
423	>	joinPool(e);
424	>	}
425		}
426
427	+
428		/**
429	<	* A submitted privileged action runs to completion
429	>	* A submitted privileged action to completion
430		*/
431		public void testSubmitPrivilegedAction() throws Throwable {
432	<	Runnable r = new CheckedRunnable() {
433	<	public void realRun() throws Exception {
434	<	ExecutorService e = new ForkJoinPool(1);
432	>	Policy savedPolicy = null;
433	>	try {
434	>	savedPolicy = Policy.getPolicy();
435	>	AdjustablePolicy policy = new AdjustablePolicy();
436	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
437	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
438	>	Policy.setPolicy(policy);
439	>	} catch (AccessControlException ok) {
440	>	return;
441	>	}
442	>
443	>	try {
444	>	ExecutorService e = new ForkJoinPool(1);
445	>	try {
446		Future future = e.submit(Executors.callable(new PrivilegedAction() {
447		public Object run() {
448		return TEST_STRING;
#	Line 519 | Line 450 | public class ForkJoinPoolTest extends JS
450
451		Object result = future.get();
452		assertSame(TEST_STRING, result);
453	<	}};
454	<
455	<	runWithPermissions(r, new RuntimePermission("modifyThread"));
453	>	} finally {
454	>	joinPool(e);
455	>	}
456	>	} finally {
457	>	Policy.setPolicy(savedPolicy);
458	>	}
459		}
460
461		/**
462	<	* A submitted privileged exception action runs to completion
462	>	* A submitted a privileged exception action runs to completion
463		*/
464		public void testSubmitPrivilegedExceptionAction() throws Throwable {
465	<	Runnable r = new CheckedRunnable() {
466	<	public void realRun() throws Exception {
467	<	ExecutorService e = new ForkJoinPool(1);
465	>	Policy savedPolicy = null;
466	>	try {
467	>	savedPolicy = Policy.getPolicy();
468	>	AdjustablePolicy policy = new AdjustablePolicy();
469	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
470	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
471	>	Policy.setPolicy(policy);
472	>	} catch (AccessControlException ok) {
473	>	return;
474	>	}
475	>
476	>	try {
477	>	ExecutorService e = new ForkJoinPool(1);
478	>	try {
479		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
480		public Object run() {
481		return TEST_STRING;
#	Line 538 | Line 483 | public class ForkJoinPoolTest extends JS
483
484		Object result = future.get();
485		assertSame(TEST_STRING, result);
486	<	}};
487	<
488	<	runWithPermissions(r, new RuntimePermission("modifyThread"));
486	>	} finally {
487	>	joinPool(e);
488	>	}
489	>	} finally {
490	>	Policy.setPolicy(savedPolicy);
491	>	}
492		}
493
494		/**
495		* A submitted failed privileged exception action reports exception
496		*/
497		public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
498	<	Runnable r = new CheckedRunnable() {
499	<	public void realRun() throws Exception {
500	<	ExecutorService e = new ForkJoinPool(1);
498	>	Policy savedPolicy = null;
499	>	try {
500	>	savedPolicy = Policy.getPolicy();
501	>	AdjustablePolicy policy = new AdjustablePolicy();
502	>	policy.addPermission(new RuntimePermission("getContextClassLoader"));
503	>	policy.addPermission(new RuntimePermission("setContextClassLoader"));
504	>	Policy.setPolicy(policy);
505	>	} catch (AccessControlException ok) {
506	>	return;
507	>	}
508	>
509	>	try {
510	>	ExecutorService e = new ForkJoinPool(1);
511	>	try {
512		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
513		public Object run() throws Exception {
514		throw new IndexOutOfBoundsException();
515		}}));
516
517	<	try {
518	<	Object result = future.get();
519	<	shouldThrow();
520	<	} catch (ExecutionException success) {
521	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
522	<	}}};
523	<
524	<	runWithPermissions(r, new RuntimePermission("modifyThread"));
517	>	Object result = future.get();
518	>	shouldThrow();
519	>	} catch (ExecutionException success) {
520	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
521	>	} finally {
522	>	joinPool(e);
523	>	}
524	>	} finally {
525	>	Policy.setPolicy(savedPolicy);
526	>	}
527		}
528
529		/**
530		* execute(null runnable) throws NullPointerException
531		*/
532		public void testExecuteNullRunnable() {
533	+	ExecutorService e = new ForkJoinPool(1);
534		try {
535	<	ExecutorService e = new ForkJoinPool(1);
574	<	TrackedShortRunnable task = null;
575	<	Future<?> future = e.submit(task);
535	>	Future<?> future = e.submit((Runnable) null);
536		shouldThrow();
537	<	} catch (NullPointerException success) {}
537	>	} catch (NullPointerException success) {
538	>	} finally {
539	>	joinPool(e);
540	>	}
541		}
542
543
#	Line 582 | Line 545 | public class ForkJoinPoolTest extends JS
545		* submit(null callable) throws NullPointerException
546		*/
547		public void testSubmitNullCallable() {
548	+	ExecutorService e = new ForkJoinPool(1);
549		try {
550	<	ExecutorService e = new ForkJoinPool(1);
587	<	StringTask t = null;
588	<	Future<String> future = e.submit(t);
550	>	Future<String> future = e.submit((Callable) null);
551		shouldThrow();
552	<	} catch (NullPointerException success) {}
552	>	} catch (NullPointerException success) {
553	>	} finally {
554	>	joinPool(e);
555	>	}
556		}
557
558
559		/**
560	<	* Blocking on submit(callable) throws InterruptedException if
596	<	* caller interrupted.
560	>	* submit(callable).get() throws InterruptedException if interrupted
561		*/
562		public void testInterruptedSubmit() throws InterruptedException {
563	<	final ForkJoinPool p = new ForkJoinPool(1);
564	<
565	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
566	<	public void realRun() throws Throwable {
567	<	p.submit(new CheckedCallable<Object>() {
568	<	public Object realCall() throws Throwable {
569	<	try {
570	<	Thread.sleep(MEDIUM_DELAY_MS);
571	<	} catch (InterruptedException ok) {
572	<	}
573	<	return null;
574	<	}}).get();
575	<	}});
576	<
577	<	t.start();
578	<	Thread.sleep(SHORT_DELAY_MS);
579	<	t.interrupt();
580	<	t.join();
581	<	p.shutdownNow();
582	<	joinPool(p);
563	>	final CountDownLatch submitted    = new CountDownLatch(1);
564	>	final CountDownLatch quittingTime = new CountDownLatch(1);
565	>	final ExecutorService p = new ForkJoinPool(1);
566	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
567	>	public Void realCall() throws InterruptedException {
568	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
569	>	return null;
570	>	}};
571	>	try {
572	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
573	>	public void realRun() throws Exception {
574	>	Future<Void> future = p.submit(awaiter);
575	>	submitted.countDown();
576	>	future.get();
577	>	}});
578	>	t.start();
579	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
580	>	t.interrupt();
581	>	t.join();
582	>	} finally {
583	>	quittingTime.countDown();
584	>	joinPool(p);
585	>	}
586		}
587
588		/**
#	Line 633 | Line 600 | public class ForkJoinPoolTest extends JS
600		shouldThrow();
601		} catch (ExecutionException success) {
602		assertTrue(success.getCause() instanceof ArithmeticException);
603	+	} finally {
604	+	joinPool(p);
605		}
637	–
638	–	joinPool(p);
606		}
607
608		/**

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