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root/jsr166/jsr166/src/test/tck/ForkJoinTask8Test.java

Comparing jsr166/src/test/tck/ForkJoinTask8Test.java (file contents):
Revision 1.9 by jsr166, Sat Feb 7 17:43:38 2015 UTC vs.
Revision 1.24 by jsr166, Sun Oct 11 15:34:06 2015 UTC

#	Line 7 | Line 7
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8		import static java.util.concurrent.TimeUnit.SECONDS;
9
10	<	import java.util.HashSet;
10	>	import java.util.Arrays;
11	>	import java.util.Collections;
12	>	import java.util.concurrent.CountDownLatch;
13		import java.util.concurrent.ExecutionException;
14		import java.util.concurrent.ForkJoinPool;
15		import java.util.concurrent.ForkJoinTask;
16	+	import java.util.concurrent.ForkJoinWorkerThread;
17		import java.util.concurrent.RecursiveAction;
18		import java.util.concurrent.TimeoutException;
19
#	Line 34 | Line 37 | public class ForkJoinTask8Test extends J
37		static final short EXCEPTION_STATE = 1;
38
39		public static void main(String[] args) {
40	<	junit.textui.TestRunner.run(suite());
40	>	main(suite(), args);
41		}
42
43		public static Test suite() {
#	Line 59 | Line 62 | public class ForkJoinTask8Test extends J
62		null, true);
63		}
64
65	+	// Compute fib naively and efficiently
66	+	final int[] fib;
67	+	{
68	+	int[] fib = new int[10];
69	+	fib[0] = 0;
70	+	fib[1] = 1;
71	+	for (int i = 2; i < fib.length; i++)
72	+	fib[i] = fib[i - 1] + fib[i - 2];
73	+	this.fib = fib;
74	+	}
75	+
76		private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
77	<	try {
77	>	try (PoolCleaner cleaner = cleaner(pool)) {
78		assertFalse(a.isDone());
79		assertFalse(a.isCompletedNormally());
80		assertFalse(a.isCompletedAbnormally());
#	Line 76 | Line 90 | public class ForkJoinTask8Test extends J
90		assertFalse(a.isCancelled());
91		assertNull(a.getException());
92		assertNull(a.getRawResult());
79	–	} finally {
80	–	joinPool(pool);
93		}
94		}
95
#	Line 114 | Line 126 | public class ForkJoinTask8Test extends J
126
127		{
128		Thread.currentThread().interrupt();
129	<	long t0 = System.nanoTime();
129	>	long startTime = System.nanoTime();
130		assertSame(expected, a.join());
131	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
131	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
132		Thread.interrupted();
133		}
134
135		{
136		Thread.currentThread().interrupt();
137	<	long t0 = System.nanoTime();
137	>	long startTime = System.nanoTime();
138		a.quietlyJoin();        // should be no-op
139	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
139	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
140		Thread.interrupted();
141		}
142
#	Line 160 | Line 172 | public class ForkJoinTask8Test extends J
172		Thread.interrupted();
173
174		{
175	<	long t0 = System.nanoTime();
175	>	long startTime = System.nanoTime();
176		a.quietlyJoin();        // should be no-op
177	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
177	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
178		}
179
180		try {
#	Line 186 | Line 198 | public class ForkJoinTask8Test extends J
198
199		abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
200
201	<	private BinaryAsyncAction parent;
201	>	private volatile BinaryAsyncAction parent;
202
203	<	private BinaryAsyncAction sibling;
203	>	private volatile BinaryAsyncAction sibling;
204
205		protected BinaryAsyncAction() {
206		setForkJoinTaskTag(INITIAL_STATE);
#	Line 231 | Line 243 | public class ForkJoinTask8Test extends J
243		super.completeExceptionally(ex);
244		}
245
246	+	public boolean cancel(boolean mayInterruptIfRunning) {
247	+	if (super.cancel(mayInterruptIfRunning)) {
248	+	completeExceptionally(new FJException());
249	+	return true;
250	+	}
251	+	return false;
252	+	}
253	+
254		public final void complete() {
255		BinaryAsyncAction a = this;
256		for (;;) {
#	Line 253 | Line 273 | public class ForkJoinTask8Test extends J
273		}
274
275		public final void completeExceptionally(Throwable ex) {
276	<	BinaryAsyncAction a = this;
257	<	while (!a.isCompletedAbnormally()) {
276	>	for (BinaryAsyncAction a = this;;) {
277		a.completeThisExceptionally(ex);
278		BinaryAsyncAction s = a.sibling;
279	<	if (s != null)
280	<	s.cancel(false);
281	<	if (!a.onException() || (a = a.parent) == null)
279	>	if (s != null && !s.isDone())
280	>	s.completeExceptionally(ex);
281	>	if ((a = a.parent) == null)
282		break;
283		}
284		}
#	Line 279 | Line 298 | public class ForkJoinTask8Test extends J
298
299		}
300
301	<	static final class AsyncFib extends BinaryAsyncAction {
301	>	final class AsyncFib extends BinaryAsyncAction {
302		int number;
303	<	public AsyncFib(int n) {
304	<	this.number = n;
303	>	int expectedResult;
304	>	public AsyncFib(int number) {
305	>	this.number = number;
306	>	this.expectedResult = fib[number];
307		}
308
309		public final boolean exec() {
#	Line 304 | Line 325 | public class ForkJoinTask8Test extends J
325		catch (Throwable ex) {
326		compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
327		}
328	+	if (getForkJoinTaskTag() == EXCEPTION_STATE)
329	+	throw new FJException();
330		return false;
331		}
332
#	Line 311 | Line 334 | public class ForkJoinTask8Test extends J
334		number = ((AsyncFib)x).number + ((AsyncFib)y).number;
335		super.onComplete(x, y);
336		}
337	+
338	+	public void checkCompletedNormally() {
339	+	assertEquals(expectedResult, number);
340	+	ForkJoinTask8Test.this.checkCompletedNormally(this);
341	+	}
342		}
343
344		static final class FailingAsyncFib extends BinaryAsyncAction {
#	Line 320 | Line 348 | public class ForkJoinTask8Test extends J
348		}
349
350		public final boolean exec() {
351	<	FailingAsyncFib f = this;
352	<	int n = f.number;
353	<	if (n > 1) {
354	<	while (n > 1) {
355	<	FailingAsyncFib p = f;
356	<	FailingAsyncFib r = new FailingAsyncFib(n - 2);
357	<	f = new FailingAsyncFib(--n);
358	<	p.linkSubtasks(r, f);
359	<	r.fork();
351	>	try {
352	>	FailingAsyncFib f = this;
353	>	int n = f.number;
354	>	if (n > 1) {
355	>	while (n > 1) {
356	>	FailingAsyncFib p = f;
357	>	FailingAsyncFib r = new FailingAsyncFib(n - 2);
358	>	f = new FailingAsyncFib(--n);
359	>	p.linkSubtasks(r, f);
360	>	r.fork();
361	>	}
362	>	f.number = n;
363		}
364	<	f.number = n;
364	>	f.complete();
365		}
366	<	f.complete();
366	>	catch (Throwable ex) {
367	>	compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
368	>	}
369	>	if (getForkJoinTaskTag() == EXCEPTION_STATE)
370	>	throw new FJException();
371		return false;
372		}
373
#	Line 347 | Line 382 | public class ForkJoinTask8Test extends J
382		* completed tasks; getRawResult returns null.
383		*/
384		public void testInvoke() {
385	+	testInvoke(mainPool());
386	+	}
387	+	public void testInvoke_Singleton() {
388	+	testInvoke(singletonPool());
389	+	}
390	+	public void testInvoke(ForkJoinPool pool) {
391		RecursiveAction a = new CheckedRecursiveAction() {
392		protected void realCompute() {
393		AsyncFib f = new AsyncFib(8);
394		assertNull(f.invoke());
395	<	assertEquals(21, f.number);
355	<	checkCompletedNormally(f);
395	>	f.checkCompletedNormally();
396		}};
397	<	testInvokeOnPool(mainPool(), a);
397	>	testInvokeOnPool(pool, a);
398		}
399
400		/**
#	Line 363 | Line 403 | public class ForkJoinTask8Test extends J
403		* completed tasks
404		*/
405		public void testQuietlyInvoke() {
406	+	testQuietlyInvoke(mainPool());
407	+	}
408	+	public void testQuietlyInvoke_Singleton() {
409	+	testQuietlyInvoke(singletonPool());
410	+	}
411	+	public void testQuietlyInvoke(ForkJoinPool pool) {
412		RecursiveAction a = new CheckedRecursiveAction() {
413		protected void realCompute() {
414		AsyncFib f = new AsyncFib(8);
415		f.quietlyInvoke();
416	<	assertEquals(21, f.number);
371	<	checkCompletedNormally(f);
416	>	f.checkCompletedNormally();
417		}};
418	<	testInvokeOnPool(mainPool(), a);
418	>	testInvokeOnPool(pool, a);
419		}
420
421		/**
422		* join of a forked task returns when task completes
423		*/
424		public void testForkJoin() {
425	+	testForkJoin(mainPool());
426	+	}
427	+	public void testForkJoin_Singleton() {
428	+	testForkJoin(singletonPool());
429	+	}
430	+	public void testForkJoin(ForkJoinPool pool) {
431		RecursiveAction a = new CheckedRecursiveAction() {
432		protected void realCompute() {
433		AsyncFib f = new AsyncFib(8);
434		assertSame(f, f.fork());
435		assertNull(f.join());
436	<	assertEquals(21, f.number);
386	<	checkCompletedNormally(f);
436	>	f.checkCompletedNormally();
437		}};
438	<	testInvokeOnPool(mainPool(), a);
438	>	testInvokeOnPool(pool, a);
439		}
440
441		/**
442		* get of a forked task returns when task completes
443		*/
444		public void testForkGet() {
445	+	testForkGet(mainPool());
446	+	}
447	+	public void testForkGet_Singleton() {
448	+	testForkGet(singletonPool());
449	+	}
450	+	public void testForkGet(ForkJoinPool pool) {
451		RecursiveAction a = new CheckedRecursiveAction() {
452		protected void realCompute() throws Exception {
453		AsyncFib f = new AsyncFib(8);
454		assertSame(f, f.fork());
455		assertNull(f.get());
456	<	assertEquals(21, f.number);
401	<	checkCompletedNormally(f);
456	>	f.checkCompletedNormally();
457		}};
458	<	testInvokeOnPool(mainPool(), a);
458	>	testInvokeOnPool(pool, a);
459		}
460
461		/**
462		* timed get of a forked task returns when task completes
463		*/
464		public void testForkTimedGet() {
465	+	testForkTimedGet(mainPool());
466	+	}
467	+	public void testForkTimedGet_Singleton() {
468	+	testForkTimedGet(singletonPool());
469	+	}
470	+	public void testForkTimedGet(ForkJoinPool pool) {
471		RecursiveAction a = new CheckedRecursiveAction() {
472		protected void realCompute() throws Exception {
473		AsyncFib f = new AsyncFib(8);
474		assertSame(f, f.fork());
475		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
476	<	assertEquals(21, f.number);
416	<	checkCompletedNormally(f);
476	>	f.checkCompletedNormally();
477		}};
478	<	testInvokeOnPool(mainPool(), a);
478	>	testInvokeOnPool(pool, a);
479		}
480
481		/**
482	<	* timed get with null time unit throws NPE
482	>	* timed get with null time unit throws NullPointerException
483		*/
484	<	public void testForkTimedGetNPE() {
484	>	public void testForkTimedGetNullTimeUnit() {
485	>	testForkTimedGetNullTimeUnit(mainPool());
486	>	}
487	>	public void testForkTimedGetNullTimeUnit_Singleton() {
488	>	testForkTimedGet(singletonPool());
489	>	}
490	>	public void testForkTimedGetNullTimeUnit(ForkJoinPool pool) {
491		RecursiveAction a = new CheckedRecursiveAction() {
492		protected void realCompute() throws Exception {
493		AsyncFib f = new AsyncFib(8);
#	Line 431 | Line 497 | public class ForkJoinTask8Test extends J
497		shouldThrow();
498		} catch (NullPointerException success) {}
499		}};
500	<	testInvokeOnPool(mainPool(), a);
500	>	testInvokeOnPool(pool, a);
501		}
502
503		/**
504		* quietlyJoin of a forked task returns when task completes
505		*/
506		public void testForkQuietlyJoin() {
507	+	testForkQuietlyJoin(mainPool());
508	+	}
509	+	public void testForkQuietlyJoin_Singleton() {
510	+	testForkQuietlyJoin(singletonPool());
511	+	}
512	+	public void testForkQuietlyJoin(ForkJoinPool pool) {
513		RecursiveAction a = new CheckedRecursiveAction() {
514		protected void realCompute() {
515		AsyncFib f = new AsyncFib(8);
516		assertSame(f, f.fork());
517		f.quietlyJoin();
518	<	assertEquals(21, f.number);
447	<	checkCompletedNormally(f);
518	>	f.checkCompletedNormally();
519		}};
520	<	testInvokeOnPool(mainPool(), a);
520	>	testInvokeOnPool(pool, a);
521		}
522
523		/**
#	Line 454 | Line 525 | public class ForkJoinTask8Test extends J
525		* getQueuedTaskCount returns 0 when quiescent
526		*/
527		public void testForkHelpQuiesce() {
528	+	testForkHelpQuiesce(mainPool());
529	+	}
530	+	public void testForkHelpQuiesce_Singleton() {
531	+	testForkHelpQuiesce(singletonPool());
532	+	}
533	+	public void testForkHelpQuiesce(ForkJoinPool pool) {
534		RecursiveAction a = new CheckedRecursiveAction() {
535		protected void realCompute() {
536		AsyncFib f = new AsyncFib(8);
537		assertSame(f, f.fork());
538		helpQuiesce();
462	–	assertEquals(21, f.number);
539		assertEquals(0, getQueuedTaskCount());
540	<	checkCompletedNormally(f);
540	>	f.checkCompletedNormally();
541		}};
542	<	testInvokeOnPool(mainPool(), a);
542	>	testInvokeOnPool(pool, a);
543		}
544
545		/**
546		* invoke task throws exception when task completes abnormally
547		*/
548		public void testAbnormalInvoke() {
549	+	testAbnormalInvoke(mainPool());
550	+	}
551	+	public void testAbnormalInvoke_Singleton() {
552	+	testAbnormalInvoke(singletonPool());
553	+	}
554	+	public void testAbnormalInvoke(ForkJoinPool pool) {
555		RecursiveAction a = new CheckedRecursiveAction() {
556		protected void realCompute() {
557		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 480 | Line 562 | public class ForkJoinTask8Test extends J
562		checkCompletedAbnormally(f, success);
563		}
564		}};
565	<	testInvokeOnPool(mainPool(), a);
565	>	testInvokeOnPool(pool, a);
566		}
567
568		/**
569		* quietlyInvoke task returns when task completes abnormally
570		*/
571		public void testAbnormalQuietlyInvoke() {
572	+	testAbnormalQuietlyInvoke(mainPool());
573	+	}
574	+	public void testAbnormalQuietlyInvoke_Singleton() {
575	+	testAbnormalQuietlyInvoke(singletonPool());
576	+	}
577	+	public void testAbnormalQuietlyInvoke(ForkJoinPool pool) {
578		RecursiveAction a = new CheckedRecursiveAction() {
579		protected void realCompute() {
580		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 494 | Line 582 | public class ForkJoinTask8Test extends J
582		assertTrue(f.getException() instanceof FJException);
583		checkCompletedAbnormally(f, f.getException());
584		}};
585	<	testInvokeOnPool(mainPool(), a);
585	>	testInvokeOnPool(pool, a);
586		}
587
588		/**
589		* join of a forked task throws exception when task completes abnormally
590		*/
591		public void testAbnormalForkJoin() {
592	+	testAbnormalForkJoin(mainPool());
593	+	}
594	+	public void testAbnormalForkJoin_Singleton() {
595	+	testAbnormalForkJoin(singletonPool());
596	+	}
597	+	public void testAbnormalForkJoin(ForkJoinPool pool) {
598		RecursiveAction a = new CheckedRecursiveAction() {
599		protected void realCompute() {
600		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 512 | Line 606 | public class ForkJoinTask8Test extends J
606		checkCompletedAbnormally(f, success);
607		}
608		}};
609	<	testInvokeOnPool(mainPool(), a);
609	>	testInvokeOnPool(pool, a);
610		}
611
612		/**
613		* get of a forked task throws exception when task completes abnormally
614		*/
615		public void testAbnormalForkGet() {
616	+	testAbnormalForkGet(mainPool());
617	+	}
618	+	public void testAbnormalForkGet_Singleton() {
619	+	testAbnormalForkJoin(singletonPool());
620	+	}
621	+	public void testAbnormalForkGet(ForkJoinPool pool) {
622		RecursiveAction a = new CheckedRecursiveAction() {
623		protected void realCompute() throws Exception {
624		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 532 | Line 632 | public class ForkJoinTask8Test extends J
632		checkCompletedAbnormally(f, cause);
633		}
634		}};
635	<	testInvokeOnPool(mainPool(), a);
635	>	testInvokeOnPool(pool, a);
636		}
637
638		/**
639		* timed get of a forked task throws exception when task completes abnormally
640		*/
641		public void testAbnormalForkTimedGet() {
642	+	testAbnormalForkTimedGet(mainPool());
643	+	}
644	+	public void testAbnormalForkTimedGet_Singleton() {
645	+	testAbnormalForkTimedGet(singletonPool());
646	+	}
647	+	public void testAbnormalForkTimedGet(ForkJoinPool pool) {
648		RecursiveAction a = new CheckedRecursiveAction() {
649		protected void realCompute() throws Exception {
650		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 552 | Line 658 | public class ForkJoinTask8Test extends J
658		checkCompletedAbnormally(f, cause);
659		}
660		}};
661	<	testInvokeOnPool(mainPool(), a);
661	>	testInvokeOnPool(pool, a);
662		}
663
664		/**
665		* quietlyJoin of a forked task returns when task completes abnormally
666		*/
667		public void testAbnormalForkQuietlyJoin() {
668	+	testAbnormalForkQuietlyJoin(mainPool());
669	+	}
670	+	public void testAbnormalForkQuietlyJoin_Singleton() {
671	+	testAbnormalForkQuietlyJoin(singletonPool());
672	+	}
673	+	public void testAbnormalForkQuietlyJoin(ForkJoinPool pool) {
674		RecursiveAction a = new CheckedRecursiveAction() {
675		protected void realCompute() {
676		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 567 | Line 679 | public class ForkJoinTask8Test extends J
679		assertTrue(f.getException() instanceof FJException);
680		checkCompletedAbnormally(f, f.getException());
681		}};
682	<	testInvokeOnPool(mainPool(), a);
682	>	testInvokeOnPool(pool, a);
683		}
684
685		/**
686		* getPool of executing task returns its pool
687		*/
688		public void testGetPool() {
689	<	final ForkJoinPool mainPool = mainPool();
689	>	testGetPool(mainPool());
690	>	}
691	>	public void testGetPool_Singleton() {
692	>	testGetPool(singletonPool());
693	>	}
694	>	public void testGetPool(ForkJoinPool pool) {
695		RecursiveAction a = new CheckedRecursiveAction() {
696		protected void realCompute() {
697	<	assertSame(mainPool, getPool());
697	>	assertSame(pool, getPool());
698		}};
699	<	testInvokeOnPool(mainPool, a);
699	>	testInvokeOnPool(pool, a);
700		}
701
702		/**
#	Line 597 | Line 714 | public class ForkJoinTask8Test extends J
714		* inForkJoinPool of executing task returns true
715		*/
716		public void testInForkJoinPool() {
717	+	testInForkJoinPool(mainPool());
718	+	}
719	+	public void testInForkJoinPool_Singleton() {
720	+	testInForkJoinPool(singletonPool());
721	+	}
722	+	public void testInForkJoinPool(ForkJoinPool pool) {
723		RecursiveAction a = new CheckedRecursiveAction() {
724		protected void realCompute() {
725		assertTrue(inForkJoinPool());
726		}};
727	<	testInvokeOnPool(mainPool(), a);
727	>	testInvokeOnPool(pool, a);
728		}
729
730		/**
#	Line 631 | Line 754 | public class ForkJoinTask8Test extends J
754		* invoke task throws exception after invoking completeExceptionally
755		*/
756		public void testCompleteExceptionally() {
757	+	testCompleteExceptionally(mainPool());
758	+	}
759	+	public void testCompleteExceptionally_Singleton() {
760	+	testCompleteExceptionally(singletonPool());
761	+	}
762	+	public void testCompleteExceptionally(ForkJoinPool pool) {
763		RecursiveAction a = new CheckedRecursiveAction() {
764		protected void realCompute() {
765		AsyncFib f = new AsyncFib(8);
#	Line 642 | Line 771 | public class ForkJoinTask8Test extends J
771		checkCompletedAbnormally(f, success);
772		}
773		}};
774	<	testInvokeOnPool(mainPool(), a);
774	>	testInvokeOnPool(pool, a);
775		}
776
777		/**
778	<	* invokeAll(t1, t2) invokes all task arguments
778	>	* invokeAll(tasks) with 1 argument invokes task
779		*/
780	<	public void testInvokeAll2() {
780	>	public void testInvokeAll1() {
781	>	testInvokeAll1(mainPool());
782	>	}
783	>	public void testInvokeAll1_Singleton() {
784	>	testInvokeAll1(singletonPool());
785	>	}
786	>	public void testInvokeAll1(ForkJoinPool pool) {
787		RecursiveAction a = new CheckedRecursiveAction() {
788		protected void realCompute() {
789		AsyncFib f = new AsyncFib(8);
790	<	AsyncFib g = new AsyncFib(9);
791	<	invokeAll(f, g);
657	<	assertEquals(21, f.number);
658	<	assertEquals(34, g.number);
659	<	checkCompletedNormally(f);
660	<	checkCompletedNormally(g);
790	>	invokeAll(f);
791	>	f.checkCompletedNormally();
792		}};
793	<	testInvokeOnPool(mainPool(), a);
793	>	testInvokeOnPool(pool, a);
794		}
795
796		/**
797	<	* invokeAll(tasks) with 1 argument invokes task
797	>	* invokeAll(t1, t2) invokes all task arguments
798		*/
799	<	public void testInvokeAll1() {
799	>	public void testInvokeAll2() {
800	>	testInvokeAll2(mainPool());
801	>	}
802	>	public void testInvokeAll2_Singleton() {
803	>	testInvokeAll2(singletonPool());
804	>	}
805	>	public void testInvokeAll2(ForkJoinPool pool) {
806		RecursiveAction a = new CheckedRecursiveAction() {
807		protected void realCompute() {
808	<	AsyncFib f = new AsyncFib(8);
809	<	invokeAll(f);
810	<	checkCompletedNormally(f);
811	<	assertEquals(21, f.number);
808	>	AsyncFib[] tasks = {
809	>	new AsyncFib(8),
810	>	new AsyncFib(9),
811	>	};
812	>	invokeAll(tasks[0], tasks[1]);
813	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
814	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
815		}};
816	<	testInvokeOnPool(mainPool(), a);
816	>	testInvokeOnPool(pool, a);
817		}
818
819		/**
820		* invokeAll(tasks) with > 2 argument invokes tasks
821		*/
822		public void testInvokeAll3() {
823	+	testInvokeAll3(mainPool());
824	+	}
825	+	public void testInvokeAll3_Singleton() {
826	+	testInvokeAll3(singletonPool());
827	+	}
828	+	public void testInvokeAll3(ForkJoinPool pool) {
829		RecursiveAction a = new CheckedRecursiveAction() {
830		protected void realCompute() {
831	<	AsyncFib f = new AsyncFib(8);
832	<	AsyncFib g = new AsyncFib(9);
833	<	AsyncFib h = new AsyncFib(7);
834	<	invokeAll(f, g, h);
835	<	assertEquals(21, f.number);
836	<	assertEquals(34, g.number);
837	<	assertEquals(13, h.number);
838	<	checkCompletedNormally(f);
693	<	checkCompletedNormally(g);
694	<	checkCompletedNormally(h);
831	>	AsyncFib[] tasks = {
832	>	new AsyncFib(8),
833	>	new AsyncFib(9),
834	>	new AsyncFib(7),
835	>	};
836	>	invokeAll(tasks[0], tasks[1], tasks[2]);
837	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
838	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
839		}};
840	<	testInvokeOnPool(mainPool(), a);
840	>	testInvokeOnPool(pool, a);
841		}
842
843		/**
844		* invokeAll(collection) invokes all tasks in the collection
845		*/
846		public void testInvokeAllCollection() {
847	+	testInvokeAllCollection(mainPool());
848	+	}
849	+	public void testInvokeAllCollection_Singleton() {
850	+	testInvokeAllCollection(singletonPool());
851	+	}
852	+	public void testInvokeAllCollection(ForkJoinPool pool) {
853		RecursiveAction a = new CheckedRecursiveAction() {
854		protected void realCompute() {
855	<	AsyncFib f = new AsyncFib(8);
856	<	AsyncFib g = new AsyncFib(9);
857	<	AsyncFib h = new AsyncFib(7);
858	<	HashSet set = new HashSet();
859	<	set.add(f);
860	<	set.add(g);
861	<	set.add(h);
862	<	invokeAll(set);
713	<	assertEquals(21, f.number);
714	<	assertEquals(34, g.number);
715	<	assertEquals(13, h.number);
716	<	checkCompletedNormally(f);
717	<	checkCompletedNormally(g);
718	<	checkCompletedNormally(h);
855	>	AsyncFib[] tasks = {
856	>	new AsyncFib(8),
857	>	new AsyncFib(9),
858	>	new AsyncFib(7),
859	>	};
860	>	invokeAll(Arrays.asList(tasks));
861	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
862	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
863		}};
864	<	testInvokeOnPool(mainPool(), a);
864	>	testInvokeOnPool(pool, a);
865		}
866
867		/**
868	<	* invokeAll(tasks) with any null task throws NPE
868	>	* invokeAll(tasks) with any null task throws NullPointerException
869		*/
870	<	public void testInvokeAllNPE() {
870	>	public void testInvokeAllNullTask() {
871	>	testInvokeAllNullTask(mainPool());
872	>	}
873	>	public void testInvokeAllNullTask_Singleton() {
874	>	testInvokeAllNullTask(singletonPool());
875	>	}
876	>	public void testInvokeAllNullTask(ForkJoinPool pool) {
877		RecursiveAction a = new CheckedRecursiveAction() {
878		protected void realCompute() {
879	<	AsyncFib f = new AsyncFib(8);
730	<	AsyncFib g = new AsyncFib(9);
731	<	AsyncFib h = null;
879	>	AsyncFib nul = null;
880		Runnable[] throwingActions = {
881	<	() -> invokeAll(h),
882	<	() -> invokeAll(f, g, h),
883	<	() -> invokeAll(f, h, g),
884	<	() -> invokeAll(h, f, g),
881	>	() -> invokeAll(nul),
882	>	() -> invokeAll(nul, nul),
883	>	() -> invokeAll(new AsyncFib(8), new AsyncFib(9), nul),
884	>	() -> invokeAll(new AsyncFib(8), nul, new AsyncFib(9)),
885	>	() -> invokeAll(nul, new AsyncFib(8), new AsyncFib(9)),
886		};
887		assertThrows(NullPointerException.class, throwingActions);
888		}};
889	<	testInvokeOnPool(mainPool(), a);
889	>	testInvokeOnPool(pool, a);
890		}
891
892		/**
893	<	* invokeAll(t1, t2) throw exception if any task does
893	>	* invokeAll(tasks) with 1 argument throws exception if task does
894		*/
895	<	public void testAbnormalInvokeAll2() {
895	>	public void testAbnormalInvokeAll1() {
896	>	testAbnormalInvokeAll1(mainPool());
897	>	}
898	>	public void testAbnormalInvokeAll1_Singleton() {
899	>	testAbnormalInvokeAll1(singletonPool());
900	>	}
901	>	public void testAbnormalInvokeAll1(ForkJoinPool pool) {
902		RecursiveAction a = new CheckedRecursiveAction() {
903		protected void realCompute() {
749	–	AsyncFib f = new AsyncFib(8);
904		FailingAsyncFib g = new FailingAsyncFib(9);
905		try {
906	<	invokeAll(f, g);
906	>	invokeAll(g);
907		shouldThrow();
908		} catch (FJException success) {
909		checkCompletedAbnormally(g, success);
910		}
911		}};
912	<	testInvokeOnPool(mainPool(), a);
912	>	testInvokeOnPool(pool, a);
913		}
914
915		/**
916	<	* invokeAll(tasks) with 1 argument throws exception if task does
916	>	* invokeAll(t1, t2) throw exception if any task does
917		*/
918	<	public void testAbnormalInvokeAll1() {
918	>	public void testAbnormalInvokeAll2() {
919	>	testAbnormalInvokeAll2(mainPool());
920	>	}
921	>	public void testAbnormalInvokeAll2_Singleton() {
922	>	testAbnormalInvokeAll2(singletonPool());
923	>	}
924	>	public void testAbnormalInvokeAll2(ForkJoinPool pool) {
925		RecursiveAction a = new CheckedRecursiveAction() {
926		protected void realCompute() {
927	+	AsyncFib f = new AsyncFib(8);
928		FailingAsyncFib g = new FailingAsyncFib(9);
929	+	ForkJoinTask[] tasks = { f, g };
930	+	Collections.shuffle(Arrays.asList(tasks));
931		try {
932	<	invokeAll(g);
932	>	invokeAll(tasks[0], tasks[1]);
933		shouldThrow();
934		} catch (FJException success) {
935		checkCompletedAbnormally(g, success);
936		}
937		}};
938	<	testInvokeOnPool(mainPool(), a);
938	>	testInvokeOnPool(pool, a);
939		}
940
941		/**
942		* invokeAll(tasks) with > 2 argument throws exception if any task does
943		*/
944		public void testAbnormalInvokeAll3() {
945	+	testAbnormalInvokeAll3(mainPool());
946	+	}
947	+	public void testAbnormalInvokeAll3_Singleton() {
948	+	testAbnormalInvokeAll3(singletonPool());
949	+	}
950	+	public void testAbnormalInvokeAll3(ForkJoinPool pool) {
951		RecursiveAction a = new CheckedRecursiveAction() {
952		protected void realCompute() {
953		AsyncFib f = new AsyncFib(8);
954		FailingAsyncFib g = new FailingAsyncFib(9);
955		AsyncFib h = new AsyncFib(7);
956	+	ForkJoinTask[] tasks = { f, g, h };
957	+	Collections.shuffle(Arrays.asList(tasks));
958		try {
959	<	invokeAll(f, g, h);
959	>	invokeAll(tasks[0], tasks[1], tasks[2]);
960		shouldThrow();
961		} catch (FJException success) {
962		checkCompletedAbnormally(g, success);
963		}
964		}};
965	<	testInvokeOnPool(mainPool(), a);
965	>	testInvokeOnPool(pool, a);
966		}
967
968		/**
969		* invokeAll(collection) throws exception if any task does
970		*/
971		public void testAbnormalInvokeAllCollection() {
972	+	testAbnormalInvokeAllCollection(mainPool());
973	+	}
974	+	public void testAbnormalInvokeAllCollection_Singleton() {
975	+	testAbnormalInvokeAllCollection(singletonPool());
976	+	}
977	+	public void testAbnormalInvokeAllCollection(ForkJoinPool pool) {
978		RecursiveAction a = new CheckedRecursiveAction() {
979		protected void realCompute() {
980		FailingAsyncFib f = new FailingAsyncFib(8);
981		AsyncFib g = new AsyncFib(9);
982		AsyncFib h = new AsyncFib(7);
983	<	HashSet set = new HashSet();
984	<	set.add(f);
808	<	set.add(g);
809	<	set.add(h);
983	>	ForkJoinTask[] tasks = { f, g, h };
984	>	Collections.shuffle(Arrays.asList(tasks));
985		try {
986	<	invokeAll(set);
986	>	invokeAll(Arrays.asList(tasks));
987		shouldThrow();
988		} catch (FJException success) {
989		checkCompletedAbnormally(f, success);
990		}
991		}};
992	<	testInvokeOnPool(mainPool(), a);
992	>	testInvokeOnPool(pool, a);
993		}
994
995		/**
#	Line 831 | Line 1006 | public class ForkJoinTask8Test extends J
1006		assertTrue(f.tryUnfork());
1007		helpQuiesce();
1008		checkNotDone(f);
1009	<	checkCompletedNormally(g);
1009	>	g.checkCompletedNormally();
1010		}};
1011		testInvokeOnPool(singletonPool(), a);
1012		}
#	Line 852 | Line 1027 | public class ForkJoinTask8Test extends J
1027		assertTrue(getSurplusQueuedTaskCount() > 0);
1028		helpQuiesce();
1029		assertEquals(0, getSurplusQueuedTaskCount());
1030	<	checkCompletedNormally(f);
1031	<	checkCompletedNormally(g);
1032	<	checkCompletedNormally(h);
1030	>	f.checkCompletedNormally();
1031	>	g.checkCompletedNormally();
1032	>	h.checkCompletedNormally();
1033		}};
1034		testInvokeOnPool(singletonPool(), a);
1035		}
#	Line 871 | Line 1046 | public class ForkJoinTask8Test extends J
1046		assertSame(f, f.fork());
1047		assertSame(f, peekNextLocalTask());
1048		assertNull(f.join());
1049	<	checkCompletedNormally(f);
1049	>	f.checkCompletedNormally();
1050		helpQuiesce();
1051	<	checkCompletedNormally(g);
1051	>	g.checkCompletedNormally();
1052		}};
1053		testInvokeOnPool(singletonPool(), a);
1054		}
#	Line 892 | Line 1067 | public class ForkJoinTask8Test extends J
1067		assertSame(f, pollNextLocalTask());
1068		helpQuiesce();
1069		checkNotDone(f);
1070	<	assertEquals(34, g.number);
896	<	checkCompletedNormally(g);
1070	>	g.checkCompletedNormally();
1071		}};
1072		testInvokeOnPool(singletonPool(), a);
1073		}
#	Line 911 | Line 1085 | public class ForkJoinTask8Test extends J
1085		assertSame(f, pollTask());
1086		helpQuiesce();
1087		checkNotDone(f);
1088	<	checkCompletedNormally(g);
1088	>	g.checkCompletedNormally();
1089		}};
1090		testInvokeOnPool(singletonPool(), a);
1091		}
#	Line 929 | Line 1103 | public class ForkJoinTask8Test extends J
1103		assertSame(g, peekNextLocalTask());
1104		assertNull(f.join());
1105		helpQuiesce();
1106	<	checkCompletedNormally(f);
1107	<	assertEquals(34, g.number);
934	<	checkCompletedNormally(g);
1106	>	f.checkCompletedNormally();
1107	>	g.checkCompletedNormally();
1108		}};
1109		testInvokeOnPool(asyncSingletonPool(), a);
1110		}
#	Line 949 | Line 1122 | public class ForkJoinTask8Test extends J
1122		assertSame(f, f.fork());
1123		assertSame(g, pollNextLocalTask());
1124		helpQuiesce();
1125	<	assertEquals(21, f.number);
953	<	checkCompletedNormally(f);
1125	>	f.checkCompletedNormally();
1126		checkNotDone(g);
1127		}};
1128		testInvokeOnPool(asyncSingletonPool(), a);
#	Line 969 | Line 1141 | public class ForkJoinTask8Test extends J
1141		assertSame(f, f.fork());
1142		assertSame(g, pollTask());
1143		helpQuiesce();
1144	<	assertEquals(21, f.number);
973	<	checkCompletedNormally(f);
1144	>	f.checkCompletedNormally();
1145		checkNotDone(g);
1146		}};
1147		testInvokeOnPool(asyncSingletonPool(), a);
1148		}
1149
979	–	// versions for singleton pools
980	–
981	–	/**
982	–	* invoke returns when task completes normally.
983	–	* isCompletedAbnormally and isCancelled return false for normally
984	–	* completed tasks; getRawResult returns null.
985	–	*/
986	–	public void testInvokeSingleton() {
987	–	RecursiveAction a = new CheckedRecursiveAction() {
988	–	protected void realCompute() {
989	–	AsyncFib f = new AsyncFib(8);
990	–	assertNull(f.invoke());
991	–	assertEquals(21, f.number);
992	–	checkCompletedNormally(f);
993	–	}};
994	–	testInvokeOnPool(singletonPool(), a);
995	–	}
996	–
997	–	/**
998	–	* quietlyInvoke task returns when task completes normally.
999	–	* isCompletedAbnormally and isCancelled return false for normally
1000	–	* completed tasks
1001	–	*/
1002	–	public void testQuietlyInvokeSingleton() {
1003	–	RecursiveAction a = new CheckedRecursiveAction() {
1004	–	protected void realCompute() {
1005	–	AsyncFib f = new AsyncFib(8);
1006	–	f.quietlyInvoke();
1007	–	assertEquals(21, f.number);
1008	–	checkCompletedNormally(f);
1009	–	}};
1010	–	testInvokeOnPool(singletonPool(), a);
1011	–	}
1012	–
1013	–	/**
1014	–	* join of a forked task returns when task completes
1015	–	*/
1016	–	public void testForkJoinSingleton() {
1017	–	RecursiveAction a = new CheckedRecursiveAction() {
1018	–	protected void realCompute() {
1019	–	AsyncFib f = new AsyncFib(8);
1020	–	assertSame(f, f.fork());
1021	–	assertNull(f.join());
1022	–	assertEquals(21, f.number);
1023	–	checkCompletedNormally(f);
1024	–	}};
1025	–	testInvokeOnPool(singletonPool(), a);
1026	–	}
1027	–
1028	–	/**
1029	–	* get of a forked task returns when task completes
1030	–	*/
1031	–	public void testForkGetSingleton() {
1032	–	RecursiveAction a = new CheckedRecursiveAction() {
1033	–	protected void realCompute() throws Exception {
1034	–	AsyncFib f = new AsyncFib(8);
1035	–	assertSame(f, f.fork());
1036	–	assertNull(f.get());
1037	–	assertEquals(21, f.number);
1038	–	checkCompletedNormally(f);
1039	–	}};
1040	–	testInvokeOnPool(singletonPool(), a);
1041	–	}
1042	–
1043	–	/**
1044	–	* timed get of a forked task returns when task completes
1045	–	*/
1046	–	public void testForkTimedGetSingleton() {
1047	–	RecursiveAction a = new CheckedRecursiveAction() {
1048	–	protected void realCompute() throws Exception {
1049	–	AsyncFib f = new AsyncFib(8);
1050	–	assertSame(f, f.fork());
1051	–	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1052	–	assertEquals(21, f.number);
1053	–	checkCompletedNormally(f);
1054	–	}};
1055	–	testInvokeOnPool(singletonPool(), a);
1056	–	}
1057	–
1058	–	/**
1059	–	* timed get with null time unit throws NPE
1060	–	*/
1061	–	public void testForkTimedGetNPESingleton() {
1062	–	RecursiveAction a = new CheckedRecursiveAction() {
1063	–	protected void realCompute() throws Exception {
1064	–	AsyncFib f = new AsyncFib(8);
1065	–	assertSame(f, f.fork());
1066	–	try {
1067	–	f.get(5L, null);
1068	–	shouldThrow();
1069	–	} catch (NullPointerException success) {}
1070	–	}};
1071	–	testInvokeOnPool(singletonPool(), a);
1072	–	}
1073	–
1074	–	/**
1075	–	* quietlyJoin of a forked task returns when task completes
1076	–	*/
1077	–	public void testForkQuietlyJoinSingleton() {
1078	–	RecursiveAction a = new CheckedRecursiveAction() {
1079	–	protected void realCompute() {
1080	–	AsyncFib f = new AsyncFib(8);
1081	–	assertSame(f, f.fork());
1082	–	f.quietlyJoin();
1083	–	assertEquals(21, f.number);
1084	–	checkCompletedNormally(f);
1085	–	}};
1086	–	testInvokeOnPool(singletonPool(), a);
1087	–	}
1088	–
1089	–	/**
1090	–	* helpQuiesce returns when tasks are complete.
1091	–	* getQueuedTaskCount returns 0 when quiescent
1092	–	*/
1093	–	public void testForkHelpQuiesceSingleton() {
1094	–	RecursiveAction a = new CheckedRecursiveAction() {
1095	–	protected void realCompute() {
1096	–	AsyncFib f = new AsyncFib(8);
1097	–	assertSame(f, f.fork());
1098	–	helpQuiesce();
1099	–	assertEquals(0, getQueuedTaskCount());
1100	–	assertEquals(21, f.number);
1101	–	checkCompletedNormally(f);
1102	–	}};
1103	–	testInvokeOnPool(singletonPool(), a);
1104	–	}
1105	–
1106	–	/**
1107	–	* invoke task throws exception when task completes abnormally
1108	–	*/
1109	–	public void testAbnormalInvokeSingleton() {
1110	–	RecursiveAction a = new CheckedRecursiveAction() {
1111	–	protected void realCompute() {
1112	–	FailingAsyncFib f = new FailingAsyncFib(8);
1113	–	try {
1114	–	f.invoke();
1115	–	shouldThrow();
1116	–	} catch (FJException success) {
1117	–	checkCompletedAbnormally(f, success);
1118	–	}
1119	–	}};
1120	–	testInvokeOnPool(singletonPool(), a);
1121	–	}
1122	–
1123	–	/**
1124	–	* quietlyInvoke task returns when task completes abnormally
1125	–	*/
1126	–	public void testAbnormalQuietlyInvokeSingleton() {
1127	–	RecursiveAction a = new CheckedRecursiveAction() {
1128	–	protected void realCompute() {
1129	–	FailingAsyncFib f = new FailingAsyncFib(8);
1130	–	f.quietlyInvoke();
1131	–	assertTrue(f.getException() instanceof FJException);
1132	–	checkCompletedAbnormally(f, f.getException());
1133	–	}};
1134	–	testInvokeOnPool(singletonPool(), a);
1135	–	}
1136	–
1137	–	/**
1138	–	* join of a forked task throws exception when task completes abnormally
1139	–	*/
1140	–	public void testAbnormalForkJoinSingleton() {
1141	–	RecursiveAction a = new CheckedRecursiveAction() {
1142	–	protected void realCompute() {
1143	–	FailingAsyncFib f = new FailingAsyncFib(8);
1144	–	assertSame(f, f.fork());
1145	–	try {
1146	–	f.join();
1147	–	shouldThrow();
1148	–	} catch (FJException success) {
1149	–	checkCompletedAbnormally(f, success);
1150	–	}
1151	–	}};
1152	–	testInvokeOnPool(singletonPool(), a);
1153	–	}
1154	–
1155	–	/**
1156	–	* get of a forked task throws exception when task completes abnormally
1157	–	*/
1158	–	public void testAbnormalForkGetSingleton() {
1159	–	RecursiveAction a = new CheckedRecursiveAction() {
1160	–	protected void realCompute() throws Exception {
1161	–	FailingAsyncFib f = new FailingAsyncFib(8);
1162	–	assertSame(f, f.fork());
1163	–	try {
1164	–	f.get();
1165	–	shouldThrow();
1166	–	} catch (ExecutionException success) {
1167	–	Throwable cause = success.getCause();
1168	–	assertTrue(cause instanceof FJException);
1169	–	checkCompletedAbnormally(f, cause);
1170	–	}
1171	–	}};
1172	–	testInvokeOnPool(singletonPool(), a);
1173	–	}
1174	–
1175	–	/**
1176	–	* timed get of a forked task throws exception when task completes abnormally
1177	–	*/
1178	–	public void testAbnormalForkTimedGetSingleton() {
1179	–	RecursiveAction a = new CheckedRecursiveAction() {
1180	–	protected void realCompute() throws Exception {
1181	–	FailingAsyncFib f = new FailingAsyncFib(8);
1182	–	assertSame(f, f.fork());
1183	–	try {
1184	–	f.get(LONG_DELAY_MS, MILLISECONDS);
1185	–	shouldThrow();
1186	–	} catch (ExecutionException success) {
1187	–	Throwable cause = success.getCause();
1188	–	assertTrue(cause instanceof FJException);
1189	–	checkCompletedAbnormally(f, cause);
1190	–	}
1191	–	}};
1192	–	testInvokeOnPool(singletonPool(), a);
1193	–	}
1194	–
1195	–	/**
1196	–	* quietlyJoin of a forked task returns when task completes abnormally
1197	–	*/
1198	–	public void testAbnormalForkQuietlyJoinSingleton() {
1199	–	RecursiveAction a = new CheckedRecursiveAction() {
1200	–	protected void realCompute() {
1201	–	FailingAsyncFib f = new FailingAsyncFib(8);
1202	–	assertSame(f, f.fork());
1203	–	f.quietlyJoin();
1204	–	assertTrue(f.getException() instanceof FJException);
1205	–	checkCompletedAbnormally(f, f.getException());
1206	–	}};
1207	–	testInvokeOnPool(singletonPool(), a);
1208	–	}
1209	–
1210	–	/**
1211	–	* invoke task throws exception after invoking completeExceptionally
1212	–	*/
1213	–	public void testCompleteExceptionallySingleton() {
1214	–	RecursiveAction a = new CheckedRecursiveAction() {
1215	–	protected void realCompute() {
1216	–	AsyncFib f = new AsyncFib(8);
1217	–	f.completeExceptionally(new FJException());
1218	–	try {
1219	–	f.invoke();
1220	–	shouldThrow();
1221	–	} catch (FJException success) {
1222	–	checkCompletedAbnormally(f, success);
1223	–	}
1224	–	}};
1225	–	testInvokeOnPool(singletonPool(), a);
1226	–	}
1227	–
1228	–	/**
1229	–	* invokeAll(t1, t2) invokes all task arguments
1230	–	*/
1231	–	public void testInvokeAll2Singleton() {
1232	–	RecursiveAction a = new CheckedRecursiveAction() {
1233	–	protected void realCompute() {
1234	–	AsyncFib f = new AsyncFib(8);
1235	–	AsyncFib g = new AsyncFib(9);
1236	–	invokeAll(f, g);
1237	–	assertEquals(21, f.number);
1238	–	assertEquals(34, g.number);
1239	–	checkCompletedNormally(f);
1240	–	checkCompletedNormally(g);
1241	–	}};
1242	–	testInvokeOnPool(singletonPool(), a);
1243	–	}
1244	–
1245	–	/**
1246	–	* invokeAll(tasks) with 1 argument invokes task
1247	–	*/
1248	–	public void testInvokeAll1Singleton() {
1249	–	RecursiveAction a = new CheckedRecursiveAction() {
1250	–	protected void realCompute() {
1251	–	AsyncFib f = new AsyncFib(8);
1252	–	invokeAll(f);
1253	–	checkCompletedNormally(f);
1254	–	assertEquals(21, f.number);
1255	–	}};
1256	–	testInvokeOnPool(singletonPool(), a);
1257	–	}
1258	–
1259	–	/**
1260	–	* invokeAll(tasks) with > 2 argument invokes tasks
1261	–	*/
1262	–	public void testInvokeAll3Singleton() {
1263	–	RecursiveAction a = new CheckedRecursiveAction() {
1264	–	protected void realCompute() {
1265	–	AsyncFib f = new AsyncFib(8);
1266	–	AsyncFib g = new AsyncFib(9);
1267	–	AsyncFib h = new AsyncFib(7);
1268	–	invokeAll(f, g, h);
1269	–	assertEquals(21, f.number);
1270	–	assertEquals(34, g.number);
1271	–	assertEquals(13, h.number);
1272	–	checkCompletedNormally(f);
1273	–	checkCompletedNormally(g);
1274	–	checkCompletedNormally(h);
1275	–	}};
1276	–	testInvokeOnPool(singletonPool(), a);
1277	–	}
1278	–
1279	–	/**
1280	–	* invokeAll(collection) invokes all tasks in the collection
1281	–	*/
1282	–	public void testInvokeAllCollectionSingleton() {
1283	–	RecursiveAction a = new CheckedRecursiveAction() {
1284	–	protected void realCompute() {
1285	–	AsyncFib f = new AsyncFib(8);
1286	–	AsyncFib g = new AsyncFib(9);
1287	–	AsyncFib h = new AsyncFib(7);
1288	–	HashSet set = new HashSet();
1289	–	set.add(f);
1290	–	set.add(g);
1291	–	set.add(h);
1292	–	invokeAll(set);
1293	–	assertEquals(21, f.number);
1294	–	assertEquals(34, g.number);
1295	–	assertEquals(13, h.number);
1296	–	checkCompletedNormally(f);
1297	–	checkCompletedNormally(g);
1298	–	checkCompletedNormally(h);
1299	–	}};
1300	–	testInvokeOnPool(singletonPool(), a);
1301	–	}
1302	–
1303	–	/**
1304	–	* invokeAll(tasks) with any null task throws NPE
1305	–	*/
1306	–	public void testInvokeAllNPESingleton() {
1307	–	RecursiveAction a = new CheckedRecursiveAction() {
1308	–	protected void realCompute() {
1309	–	AsyncFib f = new AsyncFib(8);
1310	–	AsyncFib g = new AsyncFib(9);
1311	–	AsyncFib h = null;
1312	–	try {
1313	–	invokeAll(f, g, h);
1314	–	shouldThrow();
1315	–	} catch (NullPointerException success) {}
1316	–	}};
1317	–	testInvokeOnPool(singletonPool(), a);
1318	–	}
1319	–
1320	–	/**
1321	–	* invokeAll(t1, t2) throw exception if any task does
1322	–	*/
1323	–	public void testAbnormalInvokeAll2Singleton() {
1324	–	RecursiveAction a = new CheckedRecursiveAction() {
1325	–	protected void realCompute() {
1326	–	AsyncFib f = new AsyncFib(8);
1327	–	FailingAsyncFib g = new FailingAsyncFib(9);
1328	–	try {
1329	–	invokeAll(f, g);
1330	–	shouldThrow();
1331	–	} catch (FJException success) {
1332	–	checkCompletedAbnormally(g, success);
1333	–	}
1334	–	}};
1335	–	testInvokeOnPool(singletonPool(), a);
1336	–	}
1337	–
1338	–	/**
1339	–	* invokeAll(tasks) with 1 argument throws exception if task does
1340	–	*/
1341	–	public void testAbnormalInvokeAll1Singleton() {
1342	–	RecursiveAction a = new CheckedRecursiveAction() {
1343	–	protected void realCompute() {
1344	–	FailingAsyncFib g = new FailingAsyncFib(9);
1345	–	try {
1346	–	invokeAll(g);
1347	–	shouldThrow();
1348	–	} catch (FJException success) {
1349	–	checkCompletedAbnormally(g, success);
1350	–	}
1351	–	}};
1352	–	testInvokeOnPool(singletonPool(), a);
1353	–	}
1354	–
1355	–	/**
1356	–	* invokeAll(tasks) with > 2 argument throws exception if any task does
1357	–	*/
1358	–	public void testAbnormalInvokeAll3Singleton() {
1359	–	RecursiveAction a = new CheckedRecursiveAction() {
1360	–	protected void realCompute() {
1361	–	AsyncFib f = new AsyncFib(8);
1362	–	FailingAsyncFib g = new FailingAsyncFib(9);
1363	–	AsyncFib h = new AsyncFib(7);
1364	–	try {
1365	–	invokeAll(f, g, h);
1366	–	shouldThrow();
1367	–	} catch (FJException success) {
1368	–	checkCompletedAbnormally(g, success);
1369	–	}
1370	–	}};
1371	–	testInvokeOnPool(singletonPool(), a);
1372	–	}
1373	–
1374	–	/**
1375	–	* invokeAll(collection) throws exception if any task does
1376	–	*/
1377	–	public void testAbnormalInvokeAllCollectionSingleton() {
1378	–	RecursiveAction a = new CheckedRecursiveAction() {
1379	–	protected void realCompute() {
1380	–	FailingAsyncFib f = new FailingAsyncFib(8);
1381	–	AsyncFib g = new AsyncFib(9);
1382	–	AsyncFib h = new AsyncFib(7);
1383	–	HashSet set = new HashSet();
1384	–	set.add(f);
1385	–	set.add(g);
1386	–	set.add(h);
1387	–	try {
1388	–	invokeAll(set);
1389	–	shouldThrow();
1390	–	} catch (FJException success) {
1391	–	checkCompletedAbnormally(f, success);
1392	–	}
1393	–	}};
1394	–	testInvokeOnPool(singletonPool(), a);
1395	–	}
1396	–
1150		/**
1151		* ForkJoinTask.quietlyComplete returns when task completes
1152		* normally without setting a value. The most recent value
#	Line 1415 | Line 1168 | public class ForkJoinTask8Test extends J
1168		testInvokeOnPool(mainPool(), a);
1169		}
1170
1171	+	// jdk9
1172	+
1173	+	/**
1174	+	* pollSubmission returns unexecuted submitted task, if present
1175	+	*/
1176	+	public void testPollSubmission() {
1177	+	final CountDownLatch done = new CountDownLatch(1);
1178	+	final ForkJoinTask a = ForkJoinTask.adapt(awaiter(done));
1179	+	final ForkJoinTask b = ForkJoinTask.adapt(awaiter(done));
1180	+	final ForkJoinTask c = ForkJoinTask.adapt(awaiter(done));
1181	+	final ForkJoinPool p = singletonPool();
1182	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1183	+	Thread external = new Thread(new CheckedRunnable() {
1184	+	public void realRun() {
1185	+	p.execute(a);
1186	+	p.execute(b);
1187	+	p.execute(c);
1188	+	}});
1189	+	RecursiveAction s = new CheckedRecursiveAction() {
1190	+	protected void realCompute() {
1191	+	external.start();
1192	+	try {
1193	+	external.join();
1194	+	} catch (Exception ex) {
1195	+	threadUnexpectedException(ex);
1196	+	}
1197	+	assertTrue(p.hasQueuedSubmissions());
1198	+	assertTrue(Thread.currentThread() instanceof ForkJoinWorkerThread);
1199	+	ForkJoinTask r = ForkJoinTask.pollSubmission();
1200	+	assertTrue(r == a || r == b || r == c);
1201	+	assertFalse(r.isDone());
1202	+	}};
1203	+	p.invoke(s);
1204	+	}
1205	+	}
1206	+
1207		}

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