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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.56 by jsr166, Fri Oct 2 21:52:36 2015 UTC vs.
Revision 1.75 by jsr166, Mon May 29 22:44:27 2017 UTC

#	Line 11 | Line 11 | import java.security.PrivilegedAction;
11		import java.security.PrivilegedExceptionAction;
12		import java.util.ArrayList;
13		import java.util.Collection;
14	+	import java.util.Collections;
15		import java.util.List;
16		import java.util.concurrent.Callable;
17		import java.util.concurrent.CountDownLatch;
#	Line 24 | Line 25 | import java.util.concurrent.Future;
25		import java.util.concurrent.RecursiveTask;
26		import java.util.concurrent.RejectedExecutionException;
27		import java.util.concurrent.atomic.AtomicBoolean;
28	+	import java.util.concurrent.atomic.AtomicInteger;
29		import java.util.concurrent.locks.ReentrantLock;
30
31		import junit.framework.AssertionFailedError;
#	Line 57 | Line 59 | public class ForkJoinPoolTest extends JS
59
60		// Some classes to test extension and factory methods
61
62	<	static class MyHandler implements Thread.UncaughtExceptionHandler {
61	<	volatile int catches = 0;
62	<	public void uncaughtException(Thread t, Throwable e) {
63	<	++catches;
64	<	}
65	<	}
62	>	static class MyError extends Error {}
63
64		// to test handlers
65		static class FailingFJWSubclass extends ForkJoinWorkerThread {
66		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
67	<	protected void onStart() { super.onStart(); throw new Error(); }
67	>	protected void onStart() { super.onStart(); throw new MyError(); }
68		}
69
70		static class FailingThreadFactory
71		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
72	<	volatile int calls = 0;
72	>	final AtomicInteger calls = new AtomicInteger(0);
73		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
74	<	if (++calls > 1) return null;
74	>	if (calls.incrementAndGet() > 1) return null;
75		return new FailingFJWSubclass(p);
76		}
77		}
#	Line 162 | Line 159 | public class ForkJoinPoolTest extends JS
159		*/
160		public void testDefaultInitialState() {
161		ForkJoinPool p = new ForkJoinPool(1);
162	<	try {
162	>	try (PoolCleaner cleaner = cleaner(p)) {
163		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
164		p.getFactory());
165		assertFalse(p.getAsyncMode());
#	Line 174 | Line 171 | public class ForkJoinPoolTest extends JS
171		assertFalse(p.isShutdown());
172		assertFalse(p.isTerminating());
173		assertFalse(p.isTerminated());
177	–	} finally {
178	–	joinPool(p);
174		}
175		}
176
#	Line 204 | Line 199 | public class ForkJoinPoolTest extends JS
199		*/
200		public void testGetParallelism() {
201		ForkJoinPool p = new ForkJoinPool(1);
202	<	try {
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203		assertEquals(1, p.getParallelism());
209	–	} finally {
210	–	joinPool(p);
204		}
205		}
206
#	Line 215 | Line 208 | public class ForkJoinPoolTest extends JS
208		* getPoolSize returns number of started workers.
209		*/
210		public void testGetPoolSize() {
211	<	ForkJoinPool p = new ForkJoinPool(1);
212	<	try {
211	>	final CountDownLatch taskStarted = new CountDownLatch(1);
212	>	final CountDownLatch done = new CountDownLatch(1);
213	>	final ForkJoinPool p = new ForkJoinPool(1);
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215		assertEquals(0, p.getActiveThreadCount());
216	<	Future<String> future = p.submit(new StringTask());
216	>	final Runnable task = new CheckedRunnable() {
217	>	public void realRun() throws InterruptedException {
218	>	taskStarted.countDown();
219	>	assertEquals(1, p.getPoolSize());
220	>	assertEquals(1, p.getActiveThreadCount());
221	>	await(done);
222	>	}};
223	>	Future<?> future = p.submit(task);
224	>	await(taskStarted);
225		assertEquals(1, p.getPoolSize());
226	<	} finally {
227	<	joinPool(p);
226	>	assertEquals(1, p.getActiveThreadCount());
227	>	done.countDown();
228		}
229	+	assertEquals(0, p.getPoolSize());
230	+	assertEquals(0, p.getActiveThreadCount());
231		}
232
233		/**
#	Line 230 | Line 235 | public class ForkJoinPoolTest extends JS
235		*/
236		public void testAwaitTermination_timesOut() throws InterruptedException {
237		ForkJoinPool p = new ForkJoinPool(1);
238	<	assertFalse(p.isTerminated());
239	<	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
240	<	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
241	<	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
242	<	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
243	<	assertFalse(p.awaitTermination(0L, NANOSECONDS));
244	<	assertFalse(p.awaitTermination(0L, MILLISECONDS));
245	<	long timeoutNanos = 999999L;
246	<	long startTime = System.nanoTime();
247	<	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
248	<	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
249	<	assertFalse(p.isTerminated());
250	<	startTime = System.nanoTime();
251	<	long timeoutMillis = timeoutMillis();
252	<	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
253	<	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
254	<	assertFalse(p.isTerminated());
255	<	p.shutdown();
256	<	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
257	<	assertTrue(p.isTerminated());
238	>	try (PoolCleaner cleaner = cleaner(p)) {
239	>	assertFalse(p.isTerminated());
240	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
241	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
242	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
243	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
244	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
245	>	randomTimeUnit()));
246	>	long timeoutNanos = 999999L;
247	>	long startTime = System.nanoTime();
248	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
249	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
250	>	assertFalse(p.isTerminated());
251	>	startTime = System.nanoTime();
252	>	long timeoutMillis = timeoutMillis();
253	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
254	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
255	>	assertFalse(p.isTerminated());
256	>	p.shutdown();
257	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
258	>	assertTrue(p.isTerminated());
259	>	}
260		}
261
262		/**
#	Line 260 | Line 267 | public class ForkJoinPoolTest extends JS
267		*/
268		public void testSetUncaughtExceptionHandler() throws InterruptedException {
269		final CountDownLatch uehInvoked = new CountDownLatch(1);
270	<	final Thread.UncaughtExceptionHandler eh =
270	>	final Thread.UncaughtExceptionHandler ueh =
271		new Thread.UncaughtExceptionHandler() {
272		public void uncaughtException(Thread t, Throwable e) {
273	+	threadAssertTrue(e instanceof MyError);
274	+	threadAssertTrue(t instanceof FailingFJWSubclass);
275		uehInvoked.countDown();
276		}};
277		ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
278	<	eh, false);
279	<	try {
280	<	assertSame(eh, p.getUncaughtExceptionHandler());
278	>	ueh, false);
279	>	try (PoolCleaner cleaner = cleaner(p)) {
280	>	assertSame(ueh, p.getUncaughtExceptionHandler());
281		try {
282		p.execute(new FibTask(8));
283	<	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
284	<	} catch (RejectedExecutionException ok) {
283	>	await(uehInvoked);
284	>	} finally {
285	>	p.shutdownNow(); // failure might have prevented processing task
286		}
277	–	} finally {
278	–	p.shutdownNow(); // failure might have prevented processing task
279	–	joinPool(p);
287		}
288		}
289
#	Line 288 | Line 295 | public class ForkJoinPoolTest extends JS
295		*/
296		public void testIsQuiescent() throws Exception {
297		ForkJoinPool p = new ForkJoinPool(2);
298	<	try {
298	>	try (PoolCleaner cleaner = cleaner(p)) {
299		assertTrue(p.isQuiescent());
300		long startTime = System.nanoTime();
301		FibTask f = new FibTask(20);
#	Line 307 | Line 314 | public class ForkJoinPoolTest extends JS
314
315		assertTrue(p.isQuiescent());
316		assertFalse(p.getAsyncMode());
310	–	assertEquals(0, p.getActiveThreadCount());
317		assertEquals(0, p.getQueuedTaskCount());
318		assertEquals(0, p.getQueuedSubmissionCount());
319		assertFalse(p.hasQueuedSubmissions());
320	+	while (p.getActiveThreadCount() != 0
321	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
322	+	Thread.yield();
323		assertFalse(p.isShutdown());
324		assertFalse(p.isTerminating());
325		assertFalse(p.isTerminated());
326		assertTrue(f.isDone());
327		assertEquals(6765, (int) f.get());
328	<	} finally {
320	<	joinPool(p);
328	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
329		}
330		}
331
#	Line 326 | Line 334 | public class ForkJoinPoolTest extends JS
334		*/
335		public void testSubmitForkJoinTask() throws Throwable {
336		ForkJoinPool p = new ForkJoinPool(1);
337	<	try {
337	>	try (PoolCleaner cleaner = cleaner(p)) {
338		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
339		assertEquals(21, (int) f.get());
332	–	} finally {
333	–	joinPool(p);
340		}
341		}
342
#	Line 339 | Line 345 | public class ForkJoinPoolTest extends JS
345		*/
346		public void testSubmitAfterShutdown() {
347		ForkJoinPool p = new ForkJoinPool(1);
348	<	try {
348	>	try (PoolCleaner cleaner = cleaner(p)) {
349		p.shutdown();
350		assertTrue(p.isShutdown());
351		try {
352		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
353		shouldThrow();
354		} catch (RejectedExecutionException success) {}
349	–	} finally {
350	–	joinPool(p);
355		}
356		}
357
#	Line 373 | Line 377 | public class ForkJoinPoolTest extends JS
377		public void testPollSubmission() {
378		final CountDownLatch done = new CountDownLatch(1);
379		SubFJP p = new SubFJP();
380	<	try {
380	>	try (PoolCleaner cleaner = cleaner(p)) {
381		ForkJoinTask a = p.submit(awaiter(done));
382		ForkJoinTask b = p.submit(awaiter(done));
383		ForkJoinTask c = p.submit(awaiter(done));
384		ForkJoinTask r = p.pollSubmission();
385		assertTrue(r == a || r == b || r == c);
386		assertFalse(r.isDone());
383	–	} finally {
387		done.countDown();
385	–	joinPool(p);
388		}
389		}
390
#	Line 392 | Line 394 | public class ForkJoinPoolTest extends JS
394		public void testDrainTasksTo() {
395		final CountDownLatch done = new CountDownLatch(1);
396		SubFJP p = new SubFJP();
397	<	try {
397	>	try (PoolCleaner cleaner = cleaner(p)) {
398		ForkJoinTask a = p.submit(awaiter(done));
399		ForkJoinTask b = p.submit(awaiter(done));
400		ForkJoinTask c = p.submit(awaiter(done));
#	Line 403 | Line 405 | public class ForkJoinPoolTest extends JS
405		assertTrue(r == a || r == b || r == c);
406		assertFalse(r.isDone());
407		}
406	–	} finally {
408		done.countDown();
408	–	joinPool(p);
409		}
410		}
411
#	Line 416 | Line 416 | public class ForkJoinPoolTest extends JS
416		*/
417		public void testExecuteRunnable() throws Throwable {
418		ExecutorService e = new ForkJoinPool(1);
419	<	try {
419	>	try (PoolCleaner cleaner = cleaner(e)) {
420		final AtomicBoolean done = new AtomicBoolean(false);
421		Future<?> future = e.submit(new CheckedRunnable() {
422		public void realRun() {
423		done.set(true);
424		}});
425		assertNull(future.get());
426	<	assertNull(future.get(0, MILLISECONDS));
426	>	assertNull(future.get(randomExpiredTimeout(), randomTimeUnit()));
427		assertTrue(done.get());
428		assertTrue(future.isDone());
429		assertFalse(future.isCancelled());
430	–	} finally {
431	–	joinPool(e);
430		}
431		}
432
#	Line 437 | Line 435 | public class ForkJoinPoolTest extends JS
435		*/
436		public void testSubmitCallable() throws Throwable {
437		ExecutorService e = new ForkJoinPool(1);
438	<	try {
438	>	try (PoolCleaner cleaner = cleaner(e)) {
439		Future<String> future = e.submit(new StringTask());
440		assertSame(TEST_STRING, future.get());
441		assertTrue(future.isDone());
442		assertFalse(future.isCancelled());
445	–	} finally {
446	–	joinPool(e);
443		}
444		}
445
#	Line 452 | Line 448 | public class ForkJoinPoolTest extends JS
448		*/
449		public void testSubmitRunnable() throws Throwable {
450		ExecutorService e = new ForkJoinPool(1);
451	<	try {
451	>	try (PoolCleaner cleaner = cleaner(e)) {
452		Future<?> future = e.submit(new NoOpRunnable());
453		assertNull(future.get());
454		assertTrue(future.isDone());
455		assertFalse(future.isCancelled());
460	–	} finally {
461	–	joinPool(e);
456		}
457		}
458
#	Line 467 | Line 461 | public class ForkJoinPoolTest extends JS
461		*/
462		public void testSubmitRunnable2() throws Throwable {
463		ExecutorService e = new ForkJoinPool(1);
464	<	try {
464	>	try (PoolCleaner cleaner = cleaner(e)) {
465		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
466		assertSame(TEST_STRING, future.get());
467		assertTrue(future.isDone());
468		assertFalse(future.isCancelled());
475	–	} finally {
476	–	joinPool(e);
469		}
470		}
471
#	Line 486 | Line 478 | public class ForkJoinPoolTest extends JS
478		Runnable r = new CheckedRunnable() {
479		public void realRun() throws Exception {
480		ExecutorService e = new ForkJoinPool(1);
481	<	try {
481	>	try (PoolCleaner cleaner = cleaner(e)) {
482		Future future = e.submit(callable);
483		assertSame(TEST_STRING, future.get());
492	–	} finally {
493	–	joinPool(e);
484		}
485		}};
486
#	Line 507 | Line 497 | public class ForkJoinPoolTest extends JS
497		Runnable r = new CheckedRunnable() {
498		public void realRun() throws Exception {
499		ExecutorService e = new ForkJoinPool(1);
500	<	try {
500	>	try (PoolCleaner cleaner = cleaner(e)) {
501		Future future = e.submit(callable);
502		assertSame(TEST_STRING, future.get());
513	–	} finally {
514	–	joinPool(e);
503		}
504		}};
505
#	Line 528 | Line 516 | public class ForkJoinPoolTest extends JS
516		Runnable r = new CheckedRunnable() {
517		public void realRun() throws Exception {
518		ExecutorService e = new ForkJoinPool(1);
519	<	try {
519	>	try (PoolCleaner cleaner = cleaner(e)) {
520		Future future = e.submit(callable);
521		try {
522		future.get();
#	Line 536 | Line 524 | public class ForkJoinPoolTest extends JS
524		} catch (ExecutionException success) {
525		assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
526		}
539	–	} finally {
540	–	joinPool(e);
527		}
528		}};
529
#	Line 549 | Line 535 | public class ForkJoinPoolTest extends JS
535		*/
536		public void testExecuteNullRunnable() {
537		ExecutorService e = new ForkJoinPool(1);
538	<	try {
539	<	Future<?> future = e.submit((Runnable) null);
540	<	shouldThrow();
541	<	} catch (NullPointerException success) {
542	<	} finally {
557	<	joinPool(e);
538	>	try (PoolCleaner cleaner = cleaner(e)) {
539	>	try {
540	>	Future<?> future = e.submit((Runnable) null);
541	>	shouldThrow();
542	>	} catch (NullPointerException success) {}
543		}
544		}
545
#	Line 563 | Line 548 | public class ForkJoinPoolTest extends JS
548		*/
549		public void testSubmitNullCallable() {
550		ExecutorService e = new ForkJoinPool(1);
551	<	try {
552	<	Future<String> future = e.submit((Callable) null);
553	<	shouldThrow();
554	<	} catch (NullPointerException success) {
555	<	} finally {
571	<	joinPool(e);
551	>	try (PoolCleaner cleaner = cleaner(e)) {
552	>	try {
553	>	Future<String> future = e.submit((Callable) null);
554	>	shouldThrow();
555	>	} catch (NullPointerException success) {}
556		}
557		}
558
#	Line 578 | Line 562 | public class ForkJoinPoolTest extends JS
562		public void testInterruptedSubmit() throws InterruptedException {
563		final CountDownLatch submitted    = new CountDownLatch(1);
564		final CountDownLatch quittingTime = new CountDownLatch(1);
581	–	final ExecutorService p = new ForkJoinPool(1);
565		final Callable<Void> awaiter = new CheckedCallable<Void>() {
566		public Void realCall() throws InterruptedException {
567	<	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
567	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
568		return null;
569		}};
570	<	try {
570	>	final ExecutorService p = new ForkJoinPool(1);
571	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
572		Thread t = new Thread(new CheckedInterruptedRunnable() {
573		public void realRun() throws Exception {
574		Future<Void> future = p.submit(awaiter);
#	Line 592 | Line 576 | public class ForkJoinPoolTest extends JS
576		future.get();
577		}});
578		t.start();
579	<	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579	>	await(submitted);
580		t.interrupt();
581	<	t.join();
598	<	} finally {
599	<	quittingTime.countDown();
600	<	joinPool(p);
581	>	awaitTermination(t);
582		}
583		}
584
#	Line 607 | Line 588 | public class ForkJoinPoolTest extends JS
588		*/
589		public void testSubmitEE() throws Throwable {
590		ForkJoinPool p = new ForkJoinPool(1);
591	<	try {
592	<	p.submit(new Callable() {
593	<	public Object call() { throw new ArithmeticException(); }})
594	<	.get();
595	<	shouldThrow();
596	<	} catch (ExecutionException success) {
597	<	assertTrue(success.getCause() instanceof ArithmeticException);
598	<	} finally {
599	<	joinPool(p);
591	>	try (PoolCleaner cleaner = cleaner(p)) {
592	>	try {
593	>	p.submit(new Callable() {
594	>	public Object call() { throw new ArithmeticException(); }})
595	>	.get();
596	>	shouldThrow();
597	>	} catch (ExecutionException success) {
598	>	assertTrue(success.getCause() instanceof ArithmeticException);
599	>	}
600		}
601		}
602
#	Line 624 | Line 605 | public class ForkJoinPoolTest extends JS
605		*/
606		public void testInvokeAny1() throws Throwable {
607		ExecutorService e = new ForkJoinPool(1);
608	<	try {
609	<	e.invokeAny(null);
610	<	shouldThrow();
611	<	} catch (NullPointerException success) {
612	<	} finally {
632	<	joinPool(e);
608	>	try (PoolCleaner cleaner = cleaner(e)) {
609	>	try {
610	>	e.invokeAny(null);
611	>	shouldThrow();
612	>	} catch (NullPointerException success) {}
613		}
614		}
615
#	Line 638 | Line 618 | public class ForkJoinPoolTest extends JS
618		*/
619		public void testInvokeAny2() throws Throwable {
620		ExecutorService e = new ForkJoinPool(1);
621	<	try {
622	<	e.invokeAny(new ArrayList<Callable<String>>());
623	<	shouldThrow();
624	<	} catch (IllegalArgumentException success) {
625	<	} finally {
646	<	joinPool(e);
621	>	try (PoolCleaner cleaner = cleaner(e)) {
622	>	try {
623	>	e.invokeAny(new ArrayList<Callable<String>>());
624	>	shouldThrow();
625	>	} catch (IllegalArgumentException success) {}
626		}
627		}
628
#	Line 652 | Line 631 | public class ForkJoinPoolTest extends JS
631		*/
632		public void testInvokeAny3() throws Throwable {
633		ExecutorService e = new ForkJoinPool(1);
634	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
635	<	l.add(null);
636	<	try {
637	<	e.invokeAny(l);
638	<	shouldThrow();
639	<	} catch (NullPointerException success) {
640	<	} finally {
662	<	joinPool(e);
634	>	try (PoolCleaner cleaner = cleaner(e)) {
635	>	List<Callable<String>> l = new ArrayList<>();
636	>	l.add(null);
637	>	try {
638	>	e.invokeAny(l);
639	>	shouldThrow();
640	>	} catch (NullPointerException success) {}
641		}
642		}
643
#	Line 669 | Line 647 | public class ForkJoinPoolTest extends JS
647		public void testInvokeAny4() throws Throwable {
648		CountDownLatch latch = new CountDownLatch(1);
649		ExecutorService e = new ForkJoinPool(1);
650	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
651	<	l.add(latchAwaitingStringTask(latch));
652	<	l.add(null);
653	<	try {
654	<	e.invokeAny(l);
655	<	shouldThrow();
656	<	} catch (NullPointerException success) {
657	<	} finally {
650	>	try (PoolCleaner cleaner = cleaner(e)) {
651	>	List<Callable<String>> l = new ArrayList<>();
652	>	l.add(latchAwaitingStringTask(latch));
653	>	l.add(null);
654	>	try {
655	>	e.invokeAny(l);
656	>	shouldThrow();
657	>	} catch (NullPointerException success) {}
658		latch.countDown();
681	–	joinPool(e);
659		}
660		}
661
#	Line 687 | Line 664 | public class ForkJoinPoolTest extends JS
664		*/
665		public void testInvokeAny5() throws Throwable {
666		ExecutorService e = new ForkJoinPool(1);
667	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
668	<	l.add(new NPETask());
669	<	try {
670	<	e.invokeAny(l);
671	<	shouldThrow();
672	<	} catch (ExecutionException success) {
673	<	assertTrue(success.getCause() instanceof NullPointerException);
674	<	} finally {
675	<	joinPool(e);
667	>	try (PoolCleaner cleaner = cleaner(e)) {
668	>	List<Callable<String>> l = new ArrayList<>();
669	>	l.add(new NPETask());
670	>	try {
671	>	e.invokeAny(l);
672	>	shouldThrow();
673	>	} catch (ExecutionException success) {
674	>	assertTrue(success.getCause() instanceof NullPointerException);
675	>	}
676		}
677		}
678
#	Line 704 | Line 681 | public class ForkJoinPoolTest extends JS
681		*/
682		public void testInvokeAny6() throws Throwable {
683		ExecutorService e = new ForkJoinPool(1);
684	<	try {
685	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
684	>	try (PoolCleaner cleaner = cleaner(e)) {
685	>	List<Callable<String>> l = new ArrayList<>();
686		l.add(new StringTask());
687		l.add(new StringTask());
688		String result = e.invokeAny(l);
689		assertSame(TEST_STRING, result);
713	–	} finally {
714	–	joinPool(e);
690		}
691		}
692
#	Line 720 | Line 695 | public class ForkJoinPoolTest extends JS
695		*/
696		public void testInvokeAll1() throws Throwable {
697		ExecutorService e = new ForkJoinPool(1);
698	<	try {
699	<	e.invokeAll(null);
700	<	shouldThrow();
701	<	} catch (NullPointerException success) {
702	<	} finally {
728	<	joinPool(e);
698	>	try (PoolCleaner cleaner = cleaner(e)) {
699	>	try {
700	>	e.invokeAll(null);
701	>	shouldThrow();
702	>	} catch (NullPointerException success) {}
703		}
704		}
705
706		/**
707	<	* invokeAll(empty collection) returns empty collection
707	>	* invokeAll(empty collection) returns empty list
708		*/
709		public void testInvokeAll2() throws InterruptedException {
710		ExecutorService e = new ForkJoinPool(1);
711	<	try {
712	<	List<Future<String>> r
713	<	= e.invokeAll(new ArrayList<Callable<String>>());
711	>	final Collection<Callable<String>> emptyCollection
712	>	= Collections.emptyList();
713	>	try (PoolCleaner cleaner = cleaner(e)) {
714	>	List<Future<String>> r = e.invokeAll(emptyCollection);
715		assertTrue(r.isEmpty());
741	–	} finally {
742	–	joinPool(e);
716		}
717		}
718
#	Line 748 | Line 721 | public class ForkJoinPoolTest extends JS
721		*/
722		public void testInvokeAll3() throws InterruptedException {
723		ExecutorService e = new ForkJoinPool(1);
724	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
725	<	l.add(new StringTask());
726	<	l.add(null);
727	<	try {
728	<	e.invokeAll(l);
729	<	shouldThrow();
730	<	} catch (NullPointerException success) {
731	<	} finally {
759	<	joinPool(e);
724	>	try (PoolCleaner cleaner = cleaner(e)) {
725	>	List<Callable<String>> l = new ArrayList<>();
726	>	l.add(new StringTask());
727	>	l.add(null);
728	>	try {
729	>	e.invokeAll(l);
730	>	shouldThrow();
731	>	} catch (NullPointerException success) {}
732		}
733		}
734
#	Line 766 | Line 738 | public class ForkJoinPoolTest extends JS
738		*/
739		public void testInvokeAll4() throws Throwable {
740		ExecutorService e = new ForkJoinPool(1);
741	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
742	<	l.add(new NPETask());
743	<	List<Future<String>> futures = e.invokeAll(l);
744	<	assertEquals(1, futures.size());
745	<	try {
746	<	futures.get(0).get();
747	<	shouldThrow();
748	<	} catch (ExecutionException success) {
749	<	assertTrue(success.getCause() instanceof NullPointerException);
750	<	} finally {
751	<	joinPool(e);
741	>	try (PoolCleaner cleaner = cleaner(e)) {
742	>	List<Callable<String>> l = new ArrayList<>();
743	>	l.add(new NPETask());
744	>	List<Future<String>> futures = e.invokeAll(l);
745	>	assertEquals(1, futures.size());
746	>	try {
747	>	futures.get(0).get();
748	>	shouldThrow();
749	>	} catch (ExecutionException success) {
750	>	assertTrue(success.getCause() instanceof NullPointerException);
751	>	}
752		}
753		}
754
#	Line 785 | Line 757 | public class ForkJoinPoolTest extends JS
757		*/
758		public void testInvokeAll5() throws Throwable {
759		ExecutorService e = new ForkJoinPool(1);
760	<	try {
761	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
760	>	try (PoolCleaner cleaner = cleaner(e)) {
761	>	List<Callable<String>> l = new ArrayList<>();
762		l.add(new StringTask());
763		l.add(new StringTask());
764		List<Future<String>> futures = e.invokeAll(l);
765		assertEquals(2, futures.size());
766		for (Future<String> future : futures)
767		assertSame(TEST_STRING, future.get());
796	–	} finally {
797	–	joinPool(e);
768		}
769		}
770
#	Line 803 | Line 773 | public class ForkJoinPoolTest extends JS
773		*/
774		public void testTimedInvokeAny1() throws Throwable {
775		ExecutorService e = new ForkJoinPool(1);
776	<	try {
777	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
778	<	shouldThrow();
779	<	} catch (NullPointerException success) {
780	<	} finally {
811	<	joinPool(e);
776	>	try (PoolCleaner cleaner = cleaner(e)) {
777	>	try {
778	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
779	>	shouldThrow();
780	>	} catch (NullPointerException success) {}
781		}
782		}
783
#	Line 817 | Line 786 | public class ForkJoinPoolTest extends JS
786		*/
787		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
788		ExecutorService e = new ForkJoinPool(1);
789	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
790	<	l.add(new StringTask());
791	<	try {
792	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
793	<	shouldThrow();
794	<	} catch (NullPointerException success) {
795	<	} finally {
827	<	joinPool(e);
789	>	try (PoolCleaner cleaner = cleaner(e)) {
790	>	List<Callable<String>> l = new ArrayList<>();
791	>	l.add(new StringTask());
792	>	try {
793	>	e.invokeAny(l, randomTimeout(), null);
794	>	shouldThrow();
795	>	} catch (NullPointerException success) {}
796		}
797		}
798
#	Line 833 | Line 801 | public class ForkJoinPoolTest extends JS
801		*/
802		public void testTimedInvokeAny2() throws Throwable {
803		ExecutorService e = new ForkJoinPool(1);
804	<	try {
805	<	e.invokeAny(new ArrayList<Callable<String>>(),
806	<	MEDIUM_DELAY_MS, MILLISECONDS);
807	<	shouldThrow();
808	<	} catch (IllegalArgumentException success) {
809	<	} finally {
842	<	joinPool(e);
804	>	try (PoolCleaner cleaner = cleaner(e)) {
805	>	try {
806	>	e.invokeAny(new ArrayList<Callable<String>>(),
807	>	randomTimeout(), randomTimeUnit());
808	>	shouldThrow();
809	>	} catch (IllegalArgumentException success) {}
810		}
811		}
812
#	Line 849 | Line 816 | public class ForkJoinPoolTest extends JS
816		public void testTimedInvokeAny3() throws Throwable {
817		CountDownLatch latch = new CountDownLatch(1);
818		ExecutorService e = new ForkJoinPool(1);
819	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
820	<	l.add(latchAwaitingStringTask(latch));
821	<	l.add(null);
822	<	try {
823	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
824	<	shouldThrow();
825	<	} catch (NullPointerException success) {
826	<	} finally {
819	>	try (PoolCleaner cleaner = cleaner(e)) {
820	>	List<Callable<String>> l = new ArrayList<>();
821	>	l.add(latchAwaitingStringTask(latch));
822	>	l.add(null);
823	>	try {
824	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
825	>	shouldThrow();
826	>	} catch (NullPointerException success) {}
827		latch.countDown();
861	–	joinPool(e);
828		}
829		}
830
#	Line 867 | Line 833 | public class ForkJoinPoolTest extends JS
833		*/
834		public void testTimedInvokeAny4() throws Throwable {
835		ExecutorService e = new ForkJoinPool(1);
836	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
837	<	l.add(new NPETask());
838	<	try {
839	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
840	<	shouldThrow();
841	<	} catch (ExecutionException success) {
842	<	assertTrue(success.getCause() instanceof NullPointerException);
843	<	} finally {
844	<	joinPool(e);
836	>	try (PoolCleaner cleaner = cleaner(e)) {
837	>	long startTime = System.nanoTime();
838	>	List<Callable<String>> l = new ArrayList<>();
839	>	l.add(new NPETask());
840	>	try {
841	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
842	>	shouldThrow();
843	>	} catch (ExecutionException success) {
844	>	assertTrue(success.getCause() instanceof NullPointerException);
845	>	}
846	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
847		}
848		}
849
#	Line 884 | Line 852 | public class ForkJoinPoolTest extends JS
852		*/
853		public void testTimedInvokeAny5() throws Throwable {
854		ExecutorService e = new ForkJoinPool(1);
855	<	try {
856	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
855	>	try (PoolCleaner cleaner = cleaner(e)) {
856	>	long startTime = System.nanoTime();
857	>	List<Callable<String>> l = new ArrayList<>();
858		l.add(new StringTask());
859		l.add(new StringTask());
860	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
860	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
861		assertSame(TEST_STRING, result);
862	<	} finally {
894	<	joinPool(e);
862	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
863		}
864		}
865
#	Line 900 | Line 868 | public class ForkJoinPoolTest extends JS
868		*/
869		public void testTimedInvokeAll1() throws Throwable {
870		ExecutorService e = new ForkJoinPool(1);
871	<	try {
872	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
873	<	shouldThrow();
874	<	} catch (NullPointerException success) {
875	<	} finally {
908	<	joinPool(e);
871	>	try (PoolCleaner cleaner = cleaner(e)) {
872	>	try {
873	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
874	>	shouldThrow();
875	>	} catch (NullPointerException success) {}
876		}
877		}
878
#	Line 914 | Line 881 | public class ForkJoinPoolTest extends JS
881		*/
882		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
883		ExecutorService e = new ForkJoinPool(1);
884	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
885	<	l.add(new StringTask());
886	<	try {
887	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
888	<	shouldThrow();
889	<	} catch (NullPointerException success) {
890	<	} finally {
924	<	joinPool(e);
884	>	try (PoolCleaner cleaner = cleaner(e)) {
885	>	List<Callable<String>> l = new ArrayList<>();
886	>	l.add(new StringTask());
887	>	try {
888	>	e.invokeAll(l, randomTimeout(), null);
889	>	shouldThrow();
890	>	} catch (NullPointerException success) {}
891		}
892		}
893
894		/**
895	<	* timed invokeAll(empty collection) returns empty collection
895	>	* timed invokeAll(empty collection) returns empty list
896		*/
897		public void testTimedInvokeAll2() throws InterruptedException {
898		ExecutorService e = new ForkJoinPool(1);
899	<	try {
899	>	final Collection<Callable<String>> emptyCollection
900	>	= Collections.emptyList();
901	>	try (PoolCleaner cleaner = cleaner(e)) {
902		List<Future<String>> r
903	<	= e.invokeAll(new ArrayList<Callable<String>>(),
904	<	MEDIUM_DELAY_MS, MILLISECONDS);
903	>	= e.invokeAll(emptyCollection,
904	>	randomTimeout(), randomTimeUnit());
905		assertTrue(r.isEmpty());
938	–	} finally {
939	–	joinPool(e);
906		}
907		}
908
#	Line 945 | Line 911 | public class ForkJoinPoolTest extends JS
911		*/
912		public void testTimedInvokeAll3() throws InterruptedException {
913		ExecutorService e = new ForkJoinPool(1);
914	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	<	l.add(new StringTask());
916	<	l.add(null);
917	<	try {
918	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
919	<	shouldThrow();
920	<	} catch (NullPointerException success) {
921	<	} finally {
956	<	joinPool(e);
914	>	try (PoolCleaner cleaner = cleaner(e)) {
915	>	List<Callable<String>> l = new ArrayList<>();
916	>	l.add(new StringTask());
917	>	l.add(null);
918	>	try {
919	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
920	>	shouldThrow();
921	>	} catch (NullPointerException success) {}
922		}
923		}
924
#	Line 962 | Line 927 | public class ForkJoinPoolTest extends JS
927		*/
928		public void testTimedInvokeAll4() throws Throwable {
929		ExecutorService e = new ForkJoinPool(1);
930	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
931	<	l.add(new NPETask());
932	<	List<Future<String>> futures
933	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
934	<	assertEquals(1, futures.size());
935	<	try {
936	<	futures.get(0).get();
937	<	shouldThrow();
938	<	} catch (ExecutionException success) {
939	<	assertTrue(success.getCause() instanceof NullPointerException);
940	<	} finally {
941	<	joinPool(e);
930	>	try (PoolCleaner cleaner = cleaner(e)) {
931	>	List<Callable<String>> l = new ArrayList<>();
932	>	l.add(new NPETask());
933	>	List<Future<String>> futures
934	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
935	>	assertEquals(1, futures.size());
936	>	try {
937	>	futures.get(0).get();
938	>	shouldThrow();
939	>	} catch (ExecutionException success) {
940	>	assertTrue(success.getCause() instanceof NullPointerException);
941	>	}
942		}
943		}
944
#	Line 981 | Line 946 | public class ForkJoinPoolTest extends JS
946		* timed invokeAll(c) returns results of all completed tasks in c
947		*/
948		public void testTimedInvokeAll5() throws Throwable {
949	<	ExecutorService e = new ForkJoinPool(1);
950	<	try {
951	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
949	>	ForkJoinPool e = new ForkJoinPool(1);
950	>	try (PoolCleaner cleaner = cleaner(e)) {
951	>	List<Callable<String>> l = new ArrayList<>();
952		l.add(new StringTask());
953		l.add(new StringTask());
954		List<Future<String>> futures
#	Line 991 | Line 956 | public class ForkJoinPoolTest extends JS
956		assertEquals(2, futures.size());
957		for (Future<String> future : futures)
958		assertSame(TEST_STRING, future.get());
994	–	} finally {
995	–	joinPool(e);
959		}
960		}
961

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