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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.28 by dl, Fri Sep 17 14:19:52 2010 UTC vs.
Revision 1.41 by jsr166, Fri May 27 19:42:42 2011 UTC

#	Line 1 | Line 1
1		/*
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
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7		import junit.framework.*;
#	Line 164 | Line 164 | public class ForkJoinPoolTest extends JS
164		try {
165		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
166		p.getFactory());
167	–	assertTrue(p.isQuiescent());
167		assertFalse(p.getAsyncMode());
168		assertEquals(0, p.getActiveThreadCount());
169		assertEquals(0, p.getStealCount());
#	Line 199 | Line 198 | public class ForkJoinPoolTest extends JS
198		} catch (NullPointerException success) {}
199		}
200
202	–
201		/**
202		* getParallelism returns size set in constructor
203		*/
#	Line 233 | Line 231 | public class ForkJoinPoolTest extends JS
231		* performs its defined action
232		*/
233		public void testSetUncaughtExceptionHandler() throws InterruptedException {
234	<	final CountDownLatch uncaughtExceptionHappened = new CountDownLatch(1);
234	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
235		final Thread.UncaughtExceptionHandler eh =
236		new Thread.UncaughtExceptionHandler() {
237		public void uncaughtException(Thread t, Throwable e) {
238	<	uncaughtExceptionHappened.countDown();
238	>	uehInvoked.countDown();
239		}};
240		ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
241		eh, false);
242		try {
243		assertSame(eh, p.getUncaughtExceptionHandler());
244	<	p.execute(new FailingTask());
245	<	uncaughtExceptionHappened.await();
244	>	p.execute(new FibTask(8));
245	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
246		} finally {
247		p.shutdownNow(); // failure might have prevented processing task
248		joinPool(p);
#	Line 252 | Line 250 | public class ForkJoinPoolTest extends JS
250		}
251
252		/**
253	<	* After invoking a single task, isQuiescent is true,
254	<	* queues are empty, threads are not active, and
255	<	* construction parameters continue to hold
253	>	* After invoking a single task, isQuiescent eventually becomes
254	>	* true, at which time queues are empty, threads are not active,
255	>	* the task has completed successfully, and construction
256	>	* parameters continue to hold
257		*/
258	<	public void testisQuiescent() throws InterruptedException {
258	>	public void testisQuiescent() throws Exception {
259		ForkJoinPool p = new ForkJoinPool(2);
260		try {
261	<	p.invoke(new FibTask(20));
261	>	assertTrue(p.isQuiescent());
262	>	long startTime = System.nanoTime();
263	>	FibTask f = new FibTask(20);
264	>	p.invoke(f);
265		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
266		p.getFactory());
267	<	Thread.sleep(MEDIUM_DELAY_MS);
267	>	while (! p.isQuiescent()) {
268	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
269	>	throw new AssertionFailedError("timed out");
270	>	assertFalse(p.getAsyncMode());
271	>	assertFalse(p.isShutdown());
272	>	assertFalse(p.isTerminating());
273	>	assertFalse(p.isTerminated());
274	>	Thread.yield();
275	>	}
276	>
277		assertTrue(p.isQuiescent());
278		assertFalse(p.getAsyncMode());
279		assertEquals(0, p.getActiveThreadCount());
#	Line 272 | Line 283 | public class ForkJoinPoolTest extends JS
283		assertFalse(p.isShutdown());
284		assertFalse(p.isTerminating());
285		assertFalse(p.isTerminated());
286	+	assertTrue(f.isDone());
287	+	assertEquals(6765, (int) f.get());
288		} finally {
289		joinPool(p);
290		}
#	Line 315 | Line 328 | public class ForkJoinPoolTest extends JS
328		try {
329		ReentrantLock lock = new ReentrantLock();
330		ManagedLocker locker = new ManagedLocker(lock);
331	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
331	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
332		p.execute(f);
333	<	assertEquals(832040, (int) f.get());
333	>	assertEquals(6765, (int) f.get());
334		} finally {
335		p.shutdownNow(); // don't wait out shutdown
336		}
#	Line 327 | Line 340 | public class ForkJoinPoolTest extends JS
340		* pollSubmission returns unexecuted submitted task, if present
341		*/
342		public void testPollSubmission() {
343	+	final CountDownLatch done = new CountDownLatch(1);
344		SubFJP p = new SubFJP();
345		try {
346	<	ForkJoinTask a = p.submit(new MediumRunnable());
347	<	ForkJoinTask b = p.submit(new MediumRunnable());
348	<	ForkJoinTask c = p.submit(new MediumRunnable());
346	>	ForkJoinTask a = p.submit(awaiter(done));
347	>	ForkJoinTask b = p.submit(awaiter(done));
348	>	ForkJoinTask c = p.submit(awaiter(done));
349		ForkJoinTask r = p.pollSubmission();
350		assertTrue(r == a || r == b || r == c);
351		assertFalse(r.isDone());
352		} finally {
353	+	done.countDown();
354		joinPool(p);
355		}
356		}
#	Line 344 | Line 359 | public class ForkJoinPoolTest extends JS
359		* drainTasksTo transfers unexecuted submitted tasks, if present
360		*/
361		public void testDrainTasksTo() {
362	+	final CountDownLatch done = new CountDownLatch(1);
363		SubFJP p = new SubFJP();
364		try {
365	<	ForkJoinTask a = p.submit(new MediumRunnable());
366	<	ForkJoinTask b = p.submit(new MediumRunnable());
367	<	ForkJoinTask c = p.submit(new MediumRunnable());
365	>	ForkJoinTask a = p.submit(awaiter(done));
366	>	ForkJoinTask b = p.submit(awaiter(done));
367	>	ForkJoinTask c = p.submit(awaiter(done));
368		ArrayList<ForkJoinTask> al = new ArrayList();
369		p.drainTasksTo(al);
370		assertTrue(al.size() > 0);
#	Line 357 | Line 373 | public class ForkJoinPoolTest extends JS
373		assertFalse(r.isDone());
374		}
375		} finally {
376	+	done.countDown();
377		joinPool(p);
378		}
379		}
380
364	–
381		// FJ Versions of AbstractExecutorService tests
382
383		/**
#	Line 370 | Line 386 | public class ForkJoinPoolTest extends JS
386		public void testExecuteRunnable() throws Throwable {
387		ExecutorService e = new ForkJoinPool(1);
388		try {
389	<	TrackedShortRunnable task = new TrackedShortRunnable();
390	<	assertFalse(task.done);
389	>	TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
390	>	assertFalse(task.isDone());
391		Future<?> future = e.submit(task);
392	<	future.get();
393	<	assertTrue(task.done);
392	>	assertNull(future.get());
393	>	assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
394	>	assertTrue(task.isDone());
395	>	assertTrue(future.isDone());
396	>	assertFalse(future.isCancelled());
397		} finally {
398		joinPool(e);
399		}
400		}
401
383	–
402		/**
403		* Completed submit(callable) returns result
404		*/
#	Line 388 | Line 406 | public class ForkJoinPoolTest extends JS
406		ExecutorService e = new ForkJoinPool(1);
407		try {
408		Future<String> future = e.submit(new StringTask());
409	<	String result = future.get();
410	<	assertSame(TEST_STRING, result);
409	>	assertSame(TEST_STRING, future.get());
410	>	assertTrue(future.isDone());
411	>	assertFalse(future.isCancelled());
412		} finally {
413		joinPool(e);
414		}
#	Line 402 | Line 421 | public class ForkJoinPoolTest extends JS
421		ExecutorService e = new ForkJoinPool(1);
422		try {
423		Future<?> future = e.submit(new NoOpRunnable());
424	<	future.get();
424	>	assertNull(future.get());
425		assertTrue(future.isDone());
426	+	assertFalse(future.isCancelled());
427		} finally {
428		joinPool(e);
429		}
#	Line 416 | Line 436 | public class ForkJoinPoolTest extends JS
436		ExecutorService e = new ForkJoinPool(1);
437		try {
438		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
439	<	String result = future.get();
440	<	assertSame(TEST_STRING, result);
439	>	assertSame(TEST_STRING, future.get());
440	>	assertTrue(future.isDone());
441	>	assertFalse(future.isCancelled());
442		} finally {
443		joinPool(e);
444		}
445		}
446
426	–
447		/**
448	<	* A submitted privileged action to completion
448	>	* A submitted privileged action runs to completion
449		*/
450	<	public void testSubmitPrivilegedAction() throws Throwable {
451	<	Policy savedPolicy = null;
452	<	try {
453	<	savedPolicy = Policy.getPolicy();
434	<	AdjustablePolicy policy = new AdjustablePolicy();
435	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
436	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
437	<	Policy.setPolicy(policy);
438	<	} catch (AccessControlException ok) {
439	<	return;
440	<	}
441	<
442	<	try {
443	<	ExecutorService e = new ForkJoinPool(1);
444	<	try {
450	>	public void testSubmitPrivilegedAction() throws Exception {
451	>	Runnable r = new CheckedRunnable() {
452	>	public void realRun() throws Exception {
453	>	ExecutorService e = new ForkJoinPool(1);
454		Future future = e.submit(Executors.callable(new PrivilegedAction() {
455		public Object run() {
456		return TEST_STRING;
457		}}));
458
459	<	Object result = future.get();
460	<	assertSame(TEST_STRING, result);
461	<	} finally {
462	<	joinPool(e);
463	<	}
455	<	} finally {
456	<	Policy.setPolicy(savedPolicy);
457	<	}
459	>	assertSame(TEST_STRING, future.get());
460	>	}};
461	>
462	>	runWithPermissions(r,
463	>	new RuntimePermission("modifyThread"));
464		}
465
466		/**
467	<	* A submitted a privileged exception action runs to completion
467	>	* A submitted privileged exception action runs to completion
468		*/
469	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
470	<	Policy savedPolicy = null;
471	<	try {
472	<	savedPolicy = Policy.getPolicy();
467	<	AdjustablePolicy policy = new AdjustablePolicy();
468	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
469	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
470	<	Policy.setPolicy(policy);
471	<	} catch (AccessControlException ok) {
472	<	return;
473	<	}
474	<
475	<	try {
476	<	ExecutorService e = new ForkJoinPool(1);
477	<	try {
469	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
470	>	Runnable r = new CheckedRunnable() {
471	>	public void realRun() throws Exception {
472	>	ExecutorService e = new ForkJoinPool(1);
473		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
474		public Object run() {
475		return TEST_STRING;
476		}}));
477
478	<	Object result = future.get();
479	<	assertSame(TEST_STRING, result);
480	<	} finally {
481	<	joinPool(e);
487	<	}
488	<	} finally {
489	<	Policy.setPolicy(savedPolicy);
490	<	}
478	>	assertSame(TEST_STRING, future.get());
479	>	}};
480	>
481	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
482		}
483
484		/**
485		* A submitted failed privileged exception action reports exception
486		*/
487	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
488	<	Policy savedPolicy = null;
489	<	try {
490	<	savedPolicy = Policy.getPolicy();
500	<	AdjustablePolicy policy = new AdjustablePolicy();
501	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
502	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
503	<	Policy.setPolicy(policy);
504	<	} catch (AccessControlException ok) {
505	<	return;
506	<	}
507	<
508	<	try {
509	<	ExecutorService e = new ForkJoinPool(1);
510	<	try {
487	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
488	>	Runnable r = new CheckedRunnable() {
489	>	public void realRun() throws Exception {
490	>	ExecutorService e = new ForkJoinPool(1);
491		Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
492		public Object run() throws Exception {
493		throw new IndexOutOfBoundsException();
494		}}));
495
496	<	Object result = future.get();
497	<	shouldThrow();
498	<	} catch (ExecutionException success) {
499	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
500	<	} finally {
501	<	joinPool(e);
502	<	}
503	<	} finally {
524	<	Policy.setPolicy(savedPolicy);
525	<	}
496	>	try {
497	>	future.get();
498	>	shouldThrow();
499	>	} catch (ExecutionException success) {
500	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
501	>	}}};
502	>
503	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
504		}
505
506		/**
#	Line 530 | Line 508 | public class ForkJoinPoolTest extends JS
508		*/
509		public void testExecuteNullRunnable() {
510		ExecutorService e = new ForkJoinPool(1);
533	–	TrackedShortRunnable task = null;
511		try {
512	<	Future<?> future = e.submit(task);
512	>	Future<?> future = e.submit((Runnable) null);
513		shouldThrow();
514		} catch (NullPointerException success) {
515		} finally {
#	Line 540 | Line 517 | public class ForkJoinPoolTest extends JS
517		}
518		}
519
543	–
520		/**
521		* submit(null callable) throws NullPointerException
522		*/
523		public void testSubmitNullCallable() {
524		ExecutorService e = new ForkJoinPool(1);
549	–	StringTask t = null;
525		try {
526	<	Future<String> future = e.submit(t);
526	>	Future<String> future = e.submit((Callable) null);
527		shouldThrow();
528		} catch (NullPointerException success) {
529		} finally {
#	Line 556 | Line 531 | public class ForkJoinPoolTest extends JS
531		}
532		}
533
559	–
534		/**
535		* submit(callable).get() throws InterruptedException if interrupted
536		*/
#	Line 785 | Line 759 | public class ForkJoinPoolTest extends JS
759		}
760		}
761
788	–
762		/**
763		* timed invokeAny(null) throws NullPointerException
764		*/

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