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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.26 by jsr166, Thu Sep 16 00:52:49 2010 UTC vs.
Revision 1.36 by jsr166, Mon Nov 29 07:42:58 2010 UTC

#	Line 23 | Line 23 | import java.util.concurrent.ForkJoinWork
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.security.AccessControlException;
28		import java.security.Policy;
29		import java.security.PrivilegedAction;
#	Line 232 | Line 233 | public class ForkJoinPoolTest extends JS
233		* performs its defined action
234		*/
235		public void testSetUncaughtExceptionHandler() throws InterruptedException {
236	<	MyHandler eh = new MyHandler();
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 FailingTask());
247	<	Thread.sleep(MEDIUM_DELAY_MS);
242	<	assertTrue(eh.catches > 0);
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		}
#	Line 254 | Line 259 | public class ForkJoinPoolTest extends JS
259		public void testisQuiescent() throws InterruptedException {
260		ForkJoinPool p = new ForkJoinPool(2);
261		try {
262	+	assertTrue(p.isQuiescent());
263		p.invoke(new FibTask(20));
264		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
265		p.getFactory());
266	<	Thread.sleep(MEDIUM_DELAY_MS);
266	>	Thread.sleep(SMALL_DELAY_MS);
267		assertTrue(p.isQuiescent());
268		assertFalse(p.getAsyncMode());
269		assertEquals(0, p.getActiveThreadCount());
#	Line 310 | Line 316 | public class ForkJoinPoolTest extends JS
316		try {
317		ReentrantLock lock = new ReentrantLock();
318		ManagedLocker locker = new ManagedLocker(lock);
319	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
319	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
320		p.execute(f);
321	<	assertEquals(832040, (int) f.get());
321	>	assertEquals(6765, (int) f.get());
322		} finally {
323		p.shutdownNow(); // don't wait out shutdown
324		}
#	Line 322 | Line 328 | public class ForkJoinPoolTest extends JS
328		* pollSubmission returns unexecuted submitted task, if present
329		*/
330		public void testPollSubmission() {
331	+	final CountDownLatch done = new CountDownLatch(1);
332		SubFJP p = new SubFJP();
333		try {
334	<	ForkJoinTask a = p.submit(new MediumRunnable());
335	<	ForkJoinTask b = p.submit(new MediumRunnable());
336	<	ForkJoinTask c = p.submit(new MediumRunnable());
334	>	ForkJoinTask a = p.submit(awaiter(done));
335	>	ForkJoinTask b = p.submit(awaiter(done));
336	>	ForkJoinTask c = p.submit(awaiter(done));
337		ForkJoinTask r = p.pollSubmission();
338		assertTrue(r == a || r == b || r == c);
339		assertFalse(r.isDone());
340		} finally {
341	+	done.countDown();
342		joinPool(p);
343		}
344		}
#	Line 339 | Line 347 | public class ForkJoinPoolTest extends JS
347		* drainTasksTo transfers unexecuted submitted tasks, if present
348		*/
349		public void testDrainTasksTo() {
350	+	final CountDownLatch done = new CountDownLatch(1);
351		SubFJP p = new SubFJP();
352		try {
353	<	ForkJoinTask a = p.submit(new MediumRunnable());
354	<	ForkJoinTask b = p.submit(new MediumRunnable());
355	<	ForkJoinTask c = p.submit(new MediumRunnable());
353	>	ForkJoinTask a = p.submit(awaiter(done));
354	>	ForkJoinTask b = p.submit(awaiter(done));
355	>	ForkJoinTask c = p.submit(awaiter(done));
356		ArrayList<ForkJoinTask> al = new ArrayList();
357		p.drainTasksTo(al);
358		assertTrue(al.size() > 0);
#	Line 352 | Line 361 | public class ForkJoinPoolTest extends JS
361		assertFalse(r.isDone());
362		}
363		} finally {
364	+	done.countDown();
365		joinPool(p);
366		}
367		}
#	Line 365 | Line 375 | public class ForkJoinPoolTest extends JS
375		public void testExecuteRunnable() throws Throwable {
376		ExecutorService e = new ForkJoinPool(1);
377		try {
378	<	TrackedShortRunnable task = new TrackedShortRunnable();
379	<	assertFalse(task.done);
378	>	TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
379	>	assertFalse(task.isDone());
380		Future<?> future = e.submit(task);
381	<	future.get();
382	<	assertTrue(task.done);
381	>	assertNull(future.get());
382	>	assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
383	>	assertTrue(task.isDone());
384	>	assertTrue(future.isDone());
385	>	assertFalse(future.isCancelled());
386		} finally {
387		joinPool(e);
388		}
#	Line 383 | Line 396 | public class ForkJoinPoolTest extends JS
396		ExecutorService e = new ForkJoinPool(1);
397		try {
398		Future<String> future = e.submit(new StringTask());
399	<	String result = future.get();
400	<	assertSame(TEST_STRING, result);
399	>	assertSame(TEST_STRING, future.get());
400	>	assertTrue(future.isDone());
401	>	assertFalse(future.isCancelled());
402		} finally {
403		joinPool(e);
404		}
#	Line 397 | Line 411 | public class ForkJoinPoolTest extends JS
411		ExecutorService e = new ForkJoinPool(1);
412		try {
413		Future<?> future = e.submit(new NoOpRunnable());
414	<	future.get();
414	>	assertNull(future.get());
415		assertTrue(future.isDone());
416	+	assertFalse(future.isCancelled());
417		} finally {
418		joinPool(e);
419		}
#	Line 411 | Line 426 | public class ForkJoinPoolTest extends JS
426		ExecutorService e = new ForkJoinPool(1);
427		try {
428		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
429	<	String result = future.get();
430	<	assertSame(TEST_STRING, result);
429	>	assertSame(TEST_STRING, future.get());
430	>	assertTrue(future.isDone());
431	>	assertFalse(future.isCancelled());
432		} finally {
433		joinPool(e);
434		}
435		}
436
421	–
437		/**
438	<	* A submitted privileged action to completion
438	>	* A submitted privileged action runs to completion
439		*/
440	<	public void testSubmitPrivilegedAction() throws Throwable {
441	<	Policy savedPolicy = null;
442	<	try {
443	<	savedPolicy = Policy.getPolicy();
429	<	AdjustablePolicy policy = new AdjustablePolicy();
430	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
431	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
432	<	Policy.setPolicy(policy);
433	<	} catch (AccessControlException ok) {
434	<	return;
435	<	}
436	<
437	<	try {
438	<	ExecutorService e = new ForkJoinPool(1);
439	<	try {
440	>	public void testSubmitPrivilegedAction() throws Exception {
441	>	Runnable r = new CheckedRunnable() {
442	>	public void realRun() throws Exception {
443	>	ExecutorService e = new ForkJoinPool(1);
444		Future future = e.submit(Executors.callable(new PrivilegedAction() {
445		public Object run() {
446		return TEST_STRING;
447		}}));
448
449	<	Object result = future.get();
450	<	assertSame(TEST_STRING, result);
451	<	} finally {
452	<	joinPool(e);
453	<	}
450	<	} finally {
451	<	Policy.setPolicy(savedPolicy);
452	<	}
449	>	assertSame(TEST_STRING, future.get());
450	>	}};
451	>
452	>	runWithPermissions(r,
453	>	new RuntimePermission("modifyThread"));
454		}
455
456		/**
457	<	* A submitted a privileged exception action runs to completion
457	>	* A submitted privileged exception action runs to completion
458		*/
459	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
460	<	Policy savedPolicy = null;
461	<	try {
462	<	savedPolicy = Policy.getPolicy();
462	<	AdjustablePolicy policy = new AdjustablePolicy();
463	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
464	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
465	<	Policy.setPolicy(policy);
466	<	} catch (AccessControlException ok) {
467	<	return;
468	<	}
469	<
470	<	try {
471	<	ExecutorService e = new ForkJoinPool(1);
472	<	try {
459	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
460	>	Runnable r = new CheckedRunnable() {
461	>	public void realRun() throws Exception {
462	>	ExecutorService e = new ForkJoinPool(1);
463		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
464		public Object run() {
465		return TEST_STRING;
466		}}));
467
468	<	Object result = future.get();
469	<	assertSame(TEST_STRING, result);
470	<	} finally {
471	<	joinPool(e);
482	<	}
483	<	} finally {
484	<	Policy.setPolicy(savedPolicy);
485	<	}
468	>	assertSame(TEST_STRING, future.get());
469	>	}};
470	>
471	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
472		}
473
474		/**
475		* A submitted failed privileged exception action reports exception
476		*/
477	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
478	<	Policy savedPolicy = null;
479	<	try {
480	<	savedPolicy = Policy.getPolicy();
495	<	AdjustablePolicy policy = new AdjustablePolicy();
496	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
497	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
498	<	Policy.setPolicy(policy);
499	<	} catch (AccessControlException ok) {
500	<	return;
501	<	}
502	<
503	<	try {
504	<	ExecutorService e = new ForkJoinPool(1);
505	<	try {
477	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
478	>	Runnable r = new CheckedRunnable() {
479	>	public void realRun() throws Exception {
480	>	ExecutorService e = new ForkJoinPool(1);
481		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
482		public Object run() throws Exception {
483		throw new IndexOutOfBoundsException();
484		}}));
485
486	<	Object result = future.get();
487	<	shouldThrow();
488	<	} catch (ExecutionException success) {
489	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
490	<	} finally {
491	<	joinPool(e);
492	<	}
493	<	} finally {
519	<	Policy.setPolicy(savedPolicy);
520	<	}
486	>	try {
487	>	future.get();
488	>	shouldThrow();
489	>	} catch (ExecutionException success) {
490	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
491	>	}}};
492	>
493	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
494		}
495
496		/**
#	Line 525 | Line 498 | public class ForkJoinPoolTest extends JS
498		*/
499		public void testExecuteNullRunnable() {
500		ExecutorService e = new ForkJoinPool(1);
528	–	TrackedShortRunnable task = null;
501		try {
502	<	Future<?> future = e.submit(task);
502	>	Future<?> future = e.submit((Runnable) null);
503		shouldThrow();
504		} catch (NullPointerException success) {
505		} finally {
#	Line 541 | Line 513 | public class ForkJoinPoolTest extends JS
513		*/
514		public void testSubmitNullCallable() {
515		ExecutorService e = new ForkJoinPool(1);
544	–	StringTask t = null;
516		try {
517	<	Future<String> future = e.submit(t);
517	>	Future<String> future = e.submit((Callable) null);
518		shouldThrow();
519		} catch (NullPointerException success) {
520		} finally {
#	Line 553 | Line 524 | public class ForkJoinPoolTest extends JS
524
525
526		/**
527	<	* Blocking on submit(callable) throws InterruptedException if
557	<	* caller interrupted.
527	>	* submit(callable).get() throws InterruptedException if interrupted
528		*/
529		public void testInterruptedSubmit() throws InterruptedException {
530	<	final ForkJoinPool p = new ForkJoinPool(1);
531	<
532	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
533	<	public void realRun() throws Throwable {
534	<	p.submit(new CheckedCallable<Object>() {
535	<	public Object realCall() throws Throwable {
536	<	try {
537	<	Thread.sleep(MEDIUM_DELAY_MS);
538	<	} catch (InterruptedException ok) {
539	<	}
540	<	return null;
541	<	}}).get();
542	<	}});
543	<
544	<	t.start();
545	<	Thread.sleep(SHORT_DELAY_MS);
546	<	t.interrupt();
547	<	t.join();
548	<	p.shutdownNow();
549	<	joinPool(p);
530	>	final CountDownLatch submitted    = new CountDownLatch(1);
531	>	final CountDownLatch quittingTime = new CountDownLatch(1);
532	>	final ExecutorService p = new ForkJoinPool(1);
533	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
534	>	public Void realCall() throws InterruptedException {
535	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
536	>	return null;
537	>	}};
538	>	try {
539	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
540	>	public void realRun() throws Exception {
541	>	Future<Void> future = p.submit(awaiter);
542	>	submitted.countDown();
543	>	future.get();
544	>	}});
545	>	t.start();
546	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
547	>	t.interrupt();
548	>	t.join();
549	>	} finally {
550	>	quittingTime.countDown();
551	>	joinPool(p);
552	>	}
553		}
554
555		/**
#	Line 785 | Line 758 | public class ForkJoinPoolTest extends JS
758		public void testTimedInvokeAny1() throws Throwable {
759		ExecutorService e = new ForkJoinPool(1);
760		try {
761	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
761	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
762		shouldThrow();
763		} catch (NullPointerException success) {
764		} finally {
#	Line 816 | Line 789 | public class ForkJoinPoolTest extends JS
789		ExecutorService e = new ForkJoinPool(1);
790		try {
791		e.invokeAny(new ArrayList<Callable<String>>(),
792	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
792	>	MEDIUM_DELAY_MS, MILLISECONDS);
793		shouldThrow();
794		} catch (IllegalArgumentException success) {
795		} finally {
#	Line 834 | Line 807 | public class ForkJoinPoolTest extends JS
807		l.add(latchAwaitingStringTask(latch));
808		l.add(null);
809		try {
810	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
810	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
811		shouldThrow();
812		} catch (NullPointerException success) {
813		} finally {
#	Line 851 | Line 824 | public class ForkJoinPoolTest extends JS
824		List<Callable<String>> l = new ArrayList<Callable<String>>();
825		l.add(new NPETask());
826		try {
827	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
827	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
828		shouldThrow();
829		} catch (ExecutionException success) {
830		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 869 | Line 842 | public class ForkJoinPoolTest extends JS
842		List<Callable<String>> l = new ArrayList<Callable<String>>();
843		l.add(new StringTask());
844		l.add(new StringTask());
845	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
845	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
846		assertSame(TEST_STRING, result);
847		} finally {
848		joinPool(e);
#	Line 882 | Line 855 | public class ForkJoinPoolTest extends JS
855		public void testTimedInvokeAll1() throws Throwable {
856		ExecutorService e = new ForkJoinPool(1);
857		try {
858	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
858	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
859		shouldThrow();
860		} catch (NullPointerException success) {
861		} finally {
#	Line 914 | Line 887 | public class ForkJoinPoolTest extends JS
887		try {
888		List<Future<String>> r
889		= e.invokeAll(new ArrayList<Callable<String>>(),
890	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
890	>	MEDIUM_DELAY_MS, MILLISECONDS);
891		assertTrue(r.isEmpty());
892		} finally {
893		joinPool(e);
#	Line 930 | Line 903 | public class ForkJoinPoolTest extends JS
903		l.add(new StringTask());
904		l.add(null);
905		try {
906	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
906	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
907		shouldThrow();
908		} catch (NullPointerException success) {
909		} finally {
#	Line 946 | Line 919 | public class ForkJoinPoolTest extends JS
919		List<Callable<String>> l = new ArrayList<Callable<String>>();
920		l.add(new NPETask());
921		List<Future<String>> futures
922	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
922	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
923		assertEquals(1, futures.size());
924		try {
925		futures.get(0).get();
#	Line 968 | Line 941 | public class ForkJoinPoolTest extends JS
941		l.add(new StringTask());
942		l.add(new StringTask());
943		List<Future<String>> futures
944	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
944	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
945		assertEquals(2, futures.size());
946		for (Future<String> future : futures)
947		assertSame(TEST_STRING, future.get());

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