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

Comparing jsr166/src/test/tck/ForkJoinTask8Test.java (file contents):
Revision 1.3 by jsr166, Mon Jul 22 18:01:03 2013 UTC vs.
Revision 1.20 by jsr166, Tue Oct 6 00:36:55 2015 UTC

#	Line 3 | Line 3
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6	+
7	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.SECONDS;
9	+
10	+	import java.util.Arrays;
11	+	import java.util.Collections;
12	+	import java.util.concurrent.CountDownLatch;
13		import java.util.concurrent.ExecutionException;
7	–	import java.util.concurrent.CancellationException;
14		import java.util.concurrent.ForkJoinPool;
15		import java.util.concurrent.ForkJoinTask;
16		import java.util.concurrent.ForkJoinWorkerThread;
17		import java.util.concurrent.RecursiveAction;
12	–	import java.util.concurrent.TimeUnit;
18		import java.util.concurrent.TimeoutException;
19	<	import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
20	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
21	<	import static java.util.concurrent.TimeUnit.SECONDS;
17	<	import java.util.HashSet;
18	<	import junit.framework.*;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22
23		public class ForkJoinTask8Test extends JSR166TestCase {
24
#	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 180 | Line 192 | public class ForkJoinTask8Test extends J
192		} catch (Throwable fail) { threadUnexpectedException(fail); }
193		}
194
183	–
195		public static final class FJException extends RuntimeException {
196		FJException() { super(); }
197		}
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 280 | Line 291 | public class ForkJoinTask8Test extends J
291
292		}
293
294	<	static final class AsyncFib extends BinaryAsyncAction {
294	>	final class AsyncFib extends BinaryAsyncAction {
295		int number;
296	<	public AsyncFib(int n) {
297	<	this.number = n;
296	>	int expectedResult;
297	>	public AsyncFib(int number) {
298	>	this.number = number;
299	>	this.expectedResult = fib[number];
300		}
301
302		public final boolean exec() {
#	Line 312 | Line 325 | public class ForkJoinTask8Test extends J
325		number = ((AsyncFib)x).number + ((AsyncFib)y).number;
326		super.onComplete(x, y);
327		}
328	+
329	+	public void checkCompletedNormally() {
330	+	assertEquals(expectedResult, number);
331	+	ForkJoinTask8Test.this.checkCompletedNormally(this);
332	+	}
333		}
334
335		static final class FailingAsyncFib extends BinaryAsyncAction {
#	Line 348 | Line 366 | public class ForkJoinTask8Test extends J
366		* completed tasks; getRawResult returns null.
367		*/
368		public void testInvoke() {
369	+	testInvoke(mainPool());
370	+	}
371	+	public void testInvoke_Singleton() {
372	+	testInvoke(singletonPool());
373	+	}
374	+	public void testInvoke(ForkJoinPool pool) {
375		RecursiveAction a = new CheckedRecursiveAction() {
376		protected void realCompute() {
377		AsyncFib f = new AsyncFib(8);
378		assertNull(f.invoke());
379	<	assertEquals(21, f.number);
356	<	checkCompletedNormally(f);
379	>	f.checkCompletedNormally();
380		}};
381	<	testInvokeOnPool(mainPool(), a);
381	>	testInvokeOnPool(pool, a);
382		}
383
384		/**
#	Line 364 | Line 387 | public class ForkJoinTask8Test extends J
387		* completed tasks
388		*/
389		public void testQuietlyInvoke() {
390	+	testQuietlyInvoke(mainPool());
391	+	}
392	+	public void testQuietlyInvoke_Singleton() {
393	+	testQuietlyInvoke(singletonPool());
394	+	}
395	+	public void testQuietlyInvoke(ForkJoinPool pool) {
396		RecursiveAction a = new CheckedRecursiveAction() {
397		protected void realCompute() {
398		AsyncFib f = new AsyncFib(8);
399		f.quietlyInvoke();
400	<	assertEquals(21, f.number);
372	<	checkCompletedNormally(f);
400	>	f.checkCompletedNormally();
401		}};
402	<	testInvokeOnPool(mainPool(), a);
402	>	testInvokeOnPool(pool, a);
403		}
404
405		/**
406		* join of a forked task returns when task completes
407		*/
408		public void testForkJoin() {
409	+	testForkJoin(mainPool());
410	+	}
411	+	public void testForkJoin_Singleton() {
412	+	testForkJoin(singletonPool());
413	+	}
414	+	public void testForkJoin(ForkJoinPool pool) {
415		RecursiveAction a = new CheckedRecursiveAction() {
416		protected void realCompute() {
417		AsyncFib f = new AsyncFib(8);
418		assertSame(f, f.fork());
419		assertNull(f.join());
420	<	assertEquals(21, f.number);
387	<	checkCompletedNormally(f);
420	>	f.checkCompletedNormally();
421		}};
422	<	testInvokeOnPool(mainPool(), a);
422	>	testInvokeOnPool(pool, a);
423		}
424
425		/**
426		* get of a forked task returns when task completes
427		*/
428		public void testForkGet() {
429	+	testForkGet(mainPool());
430	+	}
431	+	public void testForkGet_Singleton() {
432	+	testForkGet(singletonPool());
433	+	}
434	+	public void testForkGet(ForkJoinPool pool) {
435		RecursiveAction a = new CheckedRecursiveAction() {
436		protected void realCompute() throws Exception {
437		AsyncFib f = new AsyncFib(8);
438		assertSame(f, f.fork());
439		assertNull(f.get());
440	<	assertEquals(21, f.number);
402	<	checkCompletedNormally(f);
440	>	f.checkCompletedNormally();
441		}};
442	<	testInvokeOnPool(mainPool(), a);
442	>	testInvokeOnPool(pool, a);
443		}
444
445		/**
446		* timed get of a forked task returns when task completes
447		*/
448		public void testForkTimedGet() {
449	+	testForkTimedGet(mainPool());
450	+	}
451	+	public void testForkTimedGet_Singleton() {
452	+	testForkTimedGet(singletonPool());
453	+	}
454	+	public void testForkTimedGet(ForkJoinPool pool) {
455		RecursiveAction a = new CheckedRecursiveAction() {
456		protected void realCompute() throws Exception {
457		AsyncFib f = new AsyncFib(8);
458		assertSame(f, f.fork());
459		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
460	<	assertEquals(21, f.number);
417	<	checkCompletedNormally(f);
460	>	f.checkCompletedNormally();
461		}};
462	<	testInvokeOnPool(mainPool(), a);
462	>	testInvokeOnPool(pool, a);
463		}
464
465		/**
466	<	* timed get with null time unit throws NPE
466	>	* timed get with null time unit throws NullPointerException
467		*/
468	<	public void testForkTimedGetNPE() {
468	>	public void testForkTimedGetNullTimeUnit() {
469	>	testForkTimedGetNullTimeUnit(mainPool());
470	>	}
471	>	public void testForkTimedGetNullTimeUnit_Singleton() {
472	>	testForkTimedGet(singletonPool());
473	>	}
474	>	public void testForkTimedGetNullTimeUnit(ForkJoinPool pool) {
475		RecursiveAction a = new CheckedRecursiveAction() {
476		protected void realCompute() throws Exception {
477		AsyncFib f = new AsyncFib(8);
#	Line 432 | Line 481 | public class ForkJoinTask8Test extends J
481		shouldThrow();
482		} catch (NullPointerException success) {}
483		}};
484	<	testInvokeOnPool(mainPool(), a);
484	>	testInvokeOnPool(pool, a);
485		}
486
487		/**
488		* quietlyJoin of a forked task returns when task completes
489		*/
490		public void testForkQuietlyJoin() {
491	+	testForkQuietlyJoin(mainPool());
492	+	}
493	+	public void testForkQuietlyJoin_Singleton() {
494	+	testForkQuietlyJoin(singletonPool());
495	+	}
496	+	public void testForkQuietlyJoin(ForkJoinPool pool) {
497		RecursiveAction a = new CheckedRecursiveAction() {
498		protected void realCompute() {
499		AsyncFib f = new AsyncFib(8);
500		assertSame(f, f.fork());
501		f.quietlyJoin();
502	<	assertEquals(21, f.number);
448	<	checkCompletedNormally(f);
502	>	f.checkCompletedNormally();
503		}};
504	<	testInvokeOnPool(mainPool(), a);
504	>	testInvokeOnPool(pool, a);
505		}
506
507		/**
#	Line 455 | Line 509 | public class ForkJoinTask8Test extends J
509		* getQueuedTaskCount returns 0 when quiescent
510		*/
511		public void testForkHelpQuiesce() {
512	+	testForkHelpQuiesce(mainPool());
513	+	}
514	+	public void testForkHelpQuiesce_Singleton() {
515	+	testForkHelpQuiesce(singletonPool());
516	+	}
517	+	public void testForkHelpQuiesce(ForkJoinPool pool) {
518		RecursiveAction a = new CheckedRecursiveAction() {
519		protected void realCompute() {
520		AsyncFib f = new AsyncFib(8);
521		assertSame(f, f.fork());
522		helpQuiesce();
463	–	assertEquals(21, f.number);
523		assertEquals(0, getQueuedTaskCount());
524	<	checkCompletedNormally(f);
524	>	f.checkCompletedNormally();
525		}};
526	<	testInvokeOnPool(mainPool(), a);
526	>	testInvokeOnPool(pool, a);
527		}
528
529		/**
530		* invoke task throws exception when task completes abnormally
531		*/
532		public void testAbnormalInvoke() {
533	+	testAbnormalInvoke(mainPool());
534	+	}
535	+	public void testAbnormalInvoke_Singleton() {
536	+	testAbnormalInvoke(singletonPool());
537	+	}
538	+	public void testAbnormalInvoke(ForkJoinPool pool) {
539		RecursiveAction a = new CheckedRecursiveAction() {
540		protected void realCompute() {
541		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 481 | Line 546 | public class ForkJoinTask8Test extends J
546		checkCompletedAbnormally(f, success);
547		}
548		}};
549	<	testInvokeOnPool(mainPool(), a);
549	>	testInvokeOnPool(pool, a);
550		}
551
552		/**
553		* quietlyInvoke task returns when task completes abnormally
554		*/
555		public void testAbnormalQuietlyInvoke() {
556	+	testAbnormalQuietlyInvoke(mainPool());
557	+	}
558	+	public void testAbnormalQuietlyInvoke_Singleton() {
559	+	testAbnormalQuietlyInvoke(singletonPool());
560	+	}
561	+	public void testAbnormalQuietlyInvoke(ForkJoinPool pool) {
562		RecursiveAction a = new CheckedRecursiveAction() {
563		protected void realCompute() {
564		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 495 | Line 566 | public class ForkJoinTask8Test extends J
566		assertTrue(f.getException() instanceof FJException);
567		checkCompletedAbnormally(f, f.getException());
568		}};
569	<	testInvokeOnPool(mainPool(), a);
569	>	testInvokeOnPool(pool, a);
570		}
571
572		/**
573		* join of a forked task throws exception when task completes abnormally
574		*/
575		public void testAbnormalForkJoin() {
576	+	testAbnormalForkJoin(mainPool());
577	+	}
578	+	public void testAbnormalForkJoin_Singleton() {
579	+	testAbnormalForkJoin(singletonPool());
580	+	}
581	+	public void testAbnormalForkJoin(ForkJoinPool pool) {
582		RecursiveAction a = new CheckedRecursiveAction() {
583		protected void realCompute() {
584		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 513 | Line 590 | public class ForkJoinTask8Test extends J
590		checkCompletedAbnormally(f, success);
591		}
592		}};
593	<	testInvokeOnPool(mainPool(), a);
593	>	testInvokeOnPool(pool, a);
594		}
595
596		/**
597		* get of a forked task throws exception when task completes abnormally
598		*/
599		public void testAbnormalForkGet() {
600	+	testAbnormalForkGet(mainPool());
601	+	}
602	+	public void testAbnormalForkGet_Singleton() {
603	+	testAbnormalForkJoin(singletonPool());
604	+	}
605	+	public void testAbnormalForkGet(ForkJoinPool pool) {
606		RecursiveAction a = new CheckedRecursiveAction() {
607		protected void realCompute() throws Exception {
608		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 533 | Line 616 | public class ForkJoinTask8Test extends J
616		checkCompletedAbnormally(f, cause);
617		}
618		}};
619	<	testInvokeOnPool(mainPool(), a);
619	>	testInvokeOnPool(pool, a);
620		}
621
622		/**
623		* timed get of a forked task throws exception when task completes abnormally
624		*/
625		public void testAbnormalForkTimedGet() {
626	+	testAbnormalForkTimedGet(mainPool());
627	+	}
628	+	public void testAbnormalForkTimedGet_Singleton() {
629	+	testAbnormalForkTimedGet(singletonPool());
630	+	}
631	+	public void testAbnormalForkTimedGet(ForkJoinPool pool) {
632		RecursiveAction a = new CheckedRecursiveAction() {
633		protected void realCompute() throws Exception {
634		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 553 | Line 642 | public class ForkJoinTask8Test extends J
642		checkCompletedAbnormally(f, cause);
643		}
644		}};
645	<	testInvokeOnPool(mainPool(), a);
645	>	testInvokeOnPool(pool, a);
646		}
647
648		/**
649		* quietlyJoin of a forked task returns when task completes abnormally
650		*/
651		public void testAbnormalForkQuietlyJoin() {
652	+	testAbnormalForkQuietlyJoin(mainPool());
653	+	}
654	+	public void testAbnormalForkQuietlyJoin_Singleton() {
655	+	testAbnormalForkQuietlyJoin(singletonPool());
656	+	}
657	+	public void testAbnormalForkQuietlyJoin(ForkJoinPool pool) {
658		RecursiveAction a = new CheckedRecursiveAction() {
659		protected void realCompute() {
660		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 568 | Line 663 | public class ForkJoinTask8Test extends J
663		assertTrue(f.getException() instanceof FJException);
664		checkCompletedAbnormally(f, f.getException());
665		}};
666	<	testInvokeOnPool(mainPool(), a);
666	>	testInvokeOnPool(pool, a);
667		}
668
669		/**
670		* getPool of executing task returns its pool
671		*/
672		public void testGetPool() {
673	<	final ForkJoinPool mainPool = mainPool();
673	>	testGetPool(mainPool());
674	>	}
675	>	public void testGetPool_Singleton() {
676	>	testGetPool(singletonPool());
677	>	}
678	>	public void testGetPool(ForkJoinPool pool) {
679		RecursiveAction a = new CheckedRecursiveAction() {
680		protected void realCompute() {
681	<	assertSame(mainPool, getPool());
681	>	assertSame(pool, getPool());
682		}};
683	<	testInvokeOnPool(mainPool, a);
683	>	testInvokeOnPool(pool, a);
684		}
685
686		/**
#	Line 598 | Line 698 | public class ForkJoinTask8Test extends J
698		* inForkJoinPool of executing task returns true
699		*/
700		public void testInForkJoinPool() {
701	+	testInForkJoinPool(mainPool());
702	+	}
703	+	public void testInForkJoinPool_Singleton() {
704	+	testInForkJoinPool(singletonPool());
705	+	}
706	+	public void testInForkJoinPool(ForkJoinPool pool) {
707		RecursiveAction a = new CheckedRecursiveAction() {
708		protected void realCompute() {
709		assertTrue(inForkJoinPool());
710		}};
711	<	testInvokeOnPool(mainPool(), a);
711	>	testInvokeOnPool(pool, a);
712		}
713
714		/**
#	Line 632 | Line 738 | public class ForkJoinTask8Test extends J
738		* invoke task throws exception after invoking completeExceptionally
739		*/
740		public void testCompleteExceptionally() {
741	+	testCompleteExceptionally(mainPool());
742	+	}
743	+	public void testCompleteExceptionally_Singleton() {
744	+	testCompleteExceptionally(singletonPool());
745	+	}
746	+	public void testCompleteExceptionally(ForkJoinPool pool) {
747		RecursiveAction a = new CheckedRecursiveAction() {
748		protected void realCompute() {
749		AsyncFib f = new AsyncFib(8);
#	Line 643 | Line 755 | public class ForkJoinTask8Test extends J
755		checkCompletedAbnormally(f, success);
756		}
757		}};
758	<	testInvokeOnPool(mainPool(), a);
758	>	testInvokeOnPool(pool, a);
759		}
760
761		/**
762	<	* invokeAll(t1, t2) invokes all task arguments
762	>	* invokeAll(tasks) with 1 argument invokes task
763		*/
764	<	public void testInvokeAll2() {
764	>	public void testInvokeAll1() {
765	>	testInvokeAll1(mainPool());
766	>	}
767	>	public void testInvokeAll1_Singleton() {
768	>	testInvokeAll1(singletonPool());
769	>	}
770	>	public void testInvokeAll1(ForkJoinPool pool) {
771		RecursiveAction a = new CheckedRecursiveAction() {
772		protected void realCompute() {
773		AsyncFib f = new AsyncFib(8);
774	<	AsyncFib g = new AsyncFib(9);
775	<	invokeAll(f, g);
658	<	assertEquals(21, f.number);
659	<	assertEquals(34, g.number);
660	<	checkCompletedNormally(f);
661	<	checkCompletedNormally(g);
774	>	invokeAll(f);
775	>	f.checkCompletedNormally();
776		}};
777	<	testInvokeOnPool(mainPool(), a);
777	>	testInvokeOnPool(pool, a);
778		}
779
780		/**
781	<	* invokeAll(tasks) with 1 argument invokes task
781	>	* invokeAll(t1, t2) invokes all task arguments
782		*/
783	<	public void testInvokeAll1() {
783	>	public void testInvokeAll2() {
784	>	testInvokeAll2(mainPool());
785	>	}
786	>	public void testInvokeAll2_Singleton() {
787	>	testInvokeAll2(singletonPool());
788	>	}
789	>	public void testInvokeAll2(ForkJoinPool pool) {
790		RecursiveAction a = new CheckedRecursiveAction() {
791		protected void realCompute() {
792	<	AsyncFib f = new AsyncFib(8);
793	<	invokeAll(f);
794	<	checkCompletedNormally(f);
795	<	assertEquals(21, f.number);
792	>	AsyncFib[] tasks = {
793	>	new AsyncFib(8),
794	>	new AsyncFib(9),
795	>	};
796	>	invokeAll(tasks[0], tasks[1]);
797	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
798	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
799		}};
800	<	testInvokeOnPool(mainPool(), a);
800	>	testInvokeOnPool(pool, a);
801		}
802
803		/**
804		* invokeAll(tasks) with > 2 argument invokes tasks
805		*/
806		public void testInvokeAll3() {
807	+	testInvokeAll3(mainPool());
808	+	}
809	+	public void testInvokeAll3_Singleton() {
810	+	testInvokeAll3(singletonPool());
811	+	}
812	+	public void testInvokeAll3(ForkJoinPool pool) {
813		RecursiveAction a = new CheckedRecursiveAction() {
814		protected void realCompute() {
815	<	AsyncFib f = new AsyncFib(8);
816	<	AsyncFib g = new AsyncFib(9);
817	<	AsyncFib h = new AsyncFib(7);
818	<	invokeAll(f, g, h);
819	<	assertEquals(21, f.number);
820	<	assertEquals(34, g.number);
821	<	assertEquals(13, h.number);
822	<	checkCompletedNormally(f);
694	<	checkCompletedNormally(g);
695	<	checkCompletedNormally(h);
815	>	AsyncFib[] tasks = {
816	>	new AsyncFib(8),
817	>	new AsyncFib(9),
818	>	new AsyncFib(7),
819	>	};
820	>	invokeAll(tasks[0], tasks[1], tasks[2]);
821	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
822	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
823		}};
824	<	testInvokeOnPool(mainPool(), a);
824	>	testInvokeOnPool(pool, a);
825		}
826
827		/**
828		* invokeAll(collection) invokes all tasks in the collection
829		*/
830		public void testInvokeAllCollection() {
831	+	testInvokeAllCollection(mainPool());
832	+	}
833	+	public void testInvokeAllCollection_Singleton() {
834	+	testInvokeAllCollection(singletonPool());
835	+	}
836	+	public void testInvokeAllCollection(ForkJoinPool pool) {
837		RecursiveAction a = new CheckedRecursiveAction() {
838		protected void realCompute() {
839	<	AsyncFib f = new AsyncFib(8);
840	<	AsyncFib g = new AsyncFib(9);
841	<	AsyncFib h = new AsyncFib(7);
842	<	HashSet set = new HashSet();
843	<	set.add(f);
844	<	set.add(g);
845	<	set.add(h);
846	<	invokeAll(set);
714	<	assertEquals(21, f.number);
715	<	assertEquals(34, g.number);
716	<	assertEquals(13, h.number);
717	<	checkCompletedNormally(f);
718	<	checkCompletedNormally(g);
719	<	checkCompletedNormally(h);
839	>	AsyncFib[] tasks = {
840	>	new AsyncFib(8),
841	>	new AsyncFib(9),
842	>	new AsyncFib(7),
843	>	};
844	>	invokeAll(Arrays.asList(tasks));
845	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
846	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
847		}};
848	<	testInvokeOnPool(mainPool(), a);
848	>	testInvokeOnPool(pool, a);
849		}
850
851		/**
852	<	* invokeAll(tasks) with any null task throws NPE
852	>	* invokeAll(tasks) with any null task throws NullPointerException
853		*/
854	<	public void testInvokeAllNPE() {
854	>	public void testInvokeAllNullTask() {
855	>	testInvokeAllNullTask(mainPool());
856	>	}
857	>	public void testInvokeAllNullTask_Singleton() {
858	>	testInvokeAllNullTask(singletonPool());
859	>	}
860	>	public void testInvokeAllNullTask(ForkJoinPool pool) {
861		RecursiveAction a = new CheckedRecursiveAction() {
862		protected void realCompute() {
863	<	AsyncFib f = new AsyncFib(8);
864	<	AsyncFib g = new AsyncFib(9);
865	<	AsyncFib h = null;
866	<	try {
867	<	invokeAll(f, g, h);
868	<	shouldThrow();
869	<	} catch (NullPointerException success) {}
863	>	AsyncFib nul = null;
864	>	Runnable[] throwingActions = {
865	>	() -> invokeAll(nul),
866	>	() -> invokeAll(nul, nul),
867	>	() -> invokeAll(new AsyncFib(8), new AsyncFib(9), nul),
868	>	() -> invokeAll(new AsyncFib(8), nul, new AsyncFib(9)),
869	>	() -> invokeAll(nul, new AsyncFib(8), new AsyncFib(9)),
870	>	};
871	>	assertThrows(NullPointerException.class, throwingActions);
872		}};
873	<	testInvokeOnPool(mainPool(), a);
873	>	testInvokeOnPool(pool, a);
874		}
875
876		/**
877	<	* invokeAll(t1, t2) throw exception if any task does
877	>	* invokeAll(tasks) with 1 argument throws exception if task does
878		*/
879	<	public void testAbnormalInvokeAll2() {
879	>	public void testAbnormalInvokeAll1() {
880	>	testAbnormalInvokeAll1(mainPool());
881	>	}
882	>	public void testAbnormalInvokeAll1_Singleton() {
883	>	testAbnormalInvokeAll1(singletonPool());
884	>	}
885	>	public void testAbnormalInvokeAll1(ForkJoinPool pool) {
886		RecursiveAction a = new CheckedRecursiveAction() {
887		protected void realCompute() {
747	–	AsyncFib f = new AsyncFib(8);
888		FailingAsyncFib g = new FailingAsyncFib(9);
889		try {
890	<	invokeAll(f, g);
890	>	invokeAll(g);
891		shouldThrow();
892		} catch (FJException success) {
893		checkCompletedAbnormally(g, success);
894		}
895		}};
896	<	testInvokeOnPool(mainPool(), a);
896	>	testInvokeOnPool(pool, a);
897		}
898
899		/**
900	<	* invokeAll(tasks) with 1 argument throws exception if task does
900	>	* invokeAll(t1, t2) throw exception if any task does
901		*/
902	<	public void testAbnormalInvokeAll1() {
902	>	public void testAbnormalInvokeAll2() {
903	>	testAbnormalInvokeAll2(mainPool());
904	>	}
905	>	public void testAbnormalInvokeAll2_Singleton() {
906	>	testAbnormalInvokeAll2(singletonPool());
907	>	}
908	>	public void testAbnormalInvokeAll2(ForkJoinPool pool) {
909		RecursiveAction a = new CheckedRecursiveAction() {
910		protected void realCompute() {
911	+	AsyncFib f = new AsyncFib(8);
912		FailingAsyncFib g = new FailingAsyncFib(9);
913	+	ForkJoinTask[] tasks = { f, g };
914	+	Collections.shuffle(Arrays.asList(tasks));
915		try {
916	<	invokeAll(g);
916	>	invokeAll(tasks[0], tasks[1]);
917		shouldThrow();
918		} catch (FJException success) {
919		checkCompletedAbnormally(g, success);
920		}
921		}};
922	<	testInvokeOnPool(mainPool(), a);
922	>	testInvokeOnPool(pool, a);
923		}
924
925		/**
926		* invokeAll(tasks) with > 2 argument throws exception if any task does
927		*/
928		public void testAbnormalInvokeAll3() {
929	+	testAbnormalInvokeAll3(mainPool());
930	+	}
931	+	public void testAbnormalInvokeAll3_Singleton() {
932	+	testAbnormalInvokeAll3(singletonPool());
933	+	}
934	+	public void testAbnormalInvokeAll3(ForkJoinPool pool) {
935		RecursiveAction a = new CheckedRecursiveAction() {
936		protected void realCompute() {
937		AsyncFib f = new AsyncFib(8);
938		FailingAsyncFib g = new FailingAsyncFib(9);
939		AsyncFib h = new AsyncFib(7);
940	+	ForkJoinTask[] tasks = { f, g, h };
941	+	Collections.shuffle(Arrays.asList(tasks));
942		try {
943	<	invokeAll(f, g, h);
943	>	invokeAll(tasks[0], tasks[1], tasks[2]);
944		shouldThrow();
945		} catch (FJException success) {
946		checkCompletedAbnormally(g, success);
947		}
948		}};
949	<	testInvokeOnPool(mainPool(), a);
949	>	testInvokeOnPool(pool, a);
950		}
951
952		/**
953	<	* invokeAll(collection)  throws exception if any task does
953	>	* invokeAll(collection) throws exception if any task does
954		*/
955		public void testAbnormalInvokeAllCollection() {
956	+	testAbnormalInvokeAllCollection(mainPool());
957	+	}
958	+	public void testAbnormalInvokeAllCollection_Singleton() {
959	+	testAbnormalInvokeAllCollection(singletonPool());
960	+	}
961	+	public void testAbnormalInvokeAllCollection(ForkJoinPool pool) {
962		RecursiveAction a = new CheckedRecursiveAction() {
963		protected void realCompute() {
964		FailingAsyncFib f = new FailingAsyncFib(8);
965		AsyncFib g = new AsyncFib(9);
966		AsyncFib h = new AsyncFib(7);
967	<	HashSet set = new HashSet();
968	<	set.add(f);
806	<	set.add(g);
807	<	set.add(h);
967	>	ForkJoinTask[] tasks = { f, g, h };
968	>	Collections.shuffle(Arrays.asList(tasks));
969		try {
970	<	invokeAll(set);
970	>	invokeAll(Arrays.asList(tasks));
971		shouldThrow();
972		} catch (FJException success) {
973		checkCompletedAbnormally(f, success);
974		}
975		}};
976	<	testInvokeOnPool(mainPool(), a);
976	>	testInvokeOnPool(pool, a);
977		}
978
979		/**
#	Line 829 | Line 990 | public class ForkJoinTask8Test extends J
990		assertTrue(f.tryUnfork());
991		helpQuiesce();
992		checkNotDone(f);
993	<	checkCompletedNormally(g);
993	>	g.checkCompletedNormally();
994		}};
995		testInvokeOnPool(singletonPool(), a);
996		}
#	Line 850 | Line 1011 | public class ForkJoinTask8Test extends J
1011		assertTrue(getSurplusQueuedTaskCount() > 0);
1012		helpQuiesce();
1013		assertEquals(0, getSurplusQueuedTaskCount());
1014	<	checkCompletedNormally(f);
1015	<	checkCompletedNormally(g);
1016	<	checkCompletedNormally(h);
1014	>	f.checkCompletedNormally();
1015	>	g.checkCompletedNormally();
1016	>	h.checkCompletedNormally();
1017		}};
1018		testInvokeOnPool(singletonPool(), a);
1019		}
#	Line 869 | Line 1030 | public class ForkJoinTask8Test extends J
1030		assertSame(f, f.fork());
1031		assertSame(f, peekNextLocalTask());
1032		assertNull(f.join());
1033	<	checkCompletedNormally(f);
1033	>	f.checkCompletedNormally();
1034		helpQuiesce();
1035	<	checkCompletedNormally(g);
1035	>	g.checkCompletedNormally();
1036		}};
1037		testInvokeOnPool(singletonPool(), a);
1038		}
#	Line 890 | Line 1051 | public class ForkJoinTask8Test extends J
1051		assertSame(f, pollNextLocalTask());
1052		helpQuiesce();
1053		checkNotDone(f);
1054	<	assertEquals(34, g.number);
894	<	checkCompletedNormally(g);
1054	>	g.checkCompletedNormally();
1055		}};
1056		testInvokeOnPool(singletonPool(), a);
1057		}
#	Line 909 | Line 1069 | public class ForkJoinTask8Test extends J
1069		assertSame(f, pollTask());
1070		helpQuiesce();
1071		checkNotDone(f);
1072	<	checkCompletedNormally(g);
1072	>	g.checkCompletedNormally();
1073		}};
1074		testInvokeOnPool(singletonPool(), a);
1075		}
#	Line 927 | Line 1087 | public class ForkJoinTask8Test extends J
1087		assertSame(g, peekNextLocalTask());
1088		assertNull(f.join());
1089		helpQuiesce();
1090	<	checkCompletedNormally(f);
1091	<	assertEquals(34, g.number);
932	<	checkCompletedNormally(g);
1090	>	f.checkCompletedNormally();
1091	>	g.checkCompletedNormally();
1092		}};
1093		testInvokeOnPool(asyncSingletonPool(), a);
1094		}
#	Line 947 | Line 1106 | public class ForkJoinTask8Test extends J
1106		assertSame(f, f.fork());
1107		assertSame(g, pollNextLocalTask());
1108		helpQuiesce();
1109	<	assertEquals(21, f.number);
951	<	checkCompletedNormally(f);
1109	>	f.checkCompletedNormally();
1110		checkNotDone(g);
1111		}};
1112		testInvokeOnPool(asyncSingletonPool(), a);
#	Line 967 | Line 1125 | public class ForkJoinTask8Test extends J
1125		assertSame(f, f.fork());
1126		assertSame(g, pollTask());
1127		helpQuiesce();
1128	<	assertEquals(21, f.number);
971	<	checkCompletedNormally(f);
1128	>	f.checkCompletedNormally();
1129		checkNotDone(g);
1130		}};
1131		testInvokeOnPool(asyncSingletonPool(), a);
1132		}
1133
977	–	// versions for singleton pools
978	–
979	–	/**
980	–	* invoke returns when task completes normally.
981	–	* isCompletedAbnormally and isCancelled return false for normally
982	–	* completed tasks; getRawResult returns null.
983	–	*/
984	–	public void testInvokeSingleton() {
985	–	RecursiveAction a = new CheckedRecursiveAction() {
986	–	protected void realCompute() {
987	–	AsyncFib f = new AsyncFib(8);
988	–	assertNull(f.invoke());
989	–	assertEquals(21, f.number);
990	–	checkCompletedNormally(f);
991	–	}};
992	–	testInvokeOnPool(singletonPool(), a);
993	–	}
994	–
995	–	/**
996	–	* quietlyInvoke task returns when task completes normally.
997	–	* isCompletedAbnormally and isCancelled return false for normally
998	–	* completed tasks
999	–	*/
1000	–	public void testQuietlyInvokeSingleton() {
1001	–	RecursiveAction a = new CheckedRecursiveAction() {
1002	–	protected void realCompute() {
1003	–	AsyncFib f = new AsyncFib(8);
1004	–	f.quietlyInvoke();
1005	–	assertEquals(21, f.number);
1006	–	checkCompletedNormally(f);
1007	–	}};
1008	–	testInvokeOnPool(singletonPool(), a);
1009	–	}
1010	–
1011	–	/**
1012	–	* join of a forked task returns when task completes
1013	–	*/
1014	–	public void testForkJoinSingleton() {
1015	–	RecursiveAction a = new CheckedRecursiveAction() {
1016	–	protected void realCompute() {
1017	–	AsyncFib f = new AsyncFib(8);
1018	–	assertSame(f, f.fork());
1019	–	assertNull(f.join());
1020	–	assertEquals(21, f.number);
1021	–	checkCompletedNormally(f);
1022	–	}};
1023	–	testInvokeOnPool(singletonPool(), a);
1024	–	}
1025	–
1026	–	/**
1027	–	* get of a forked task returns when task completes
1028	–	*/
1029	–	public void testForkGetSingleton() {
1030	–	RecursiveAction a = new CheckedRecursiveAction() {
1031	–	protected void realCompute() throws Exception {
1032	–	AsyncFib f = new AsyncFib(8);
1033	–	assertSame(f, f.fork());
1034	–	assertNull(f.get());
1035	–	assertEquals(21, f.number);
1036	–	checkCompletedNormally(f);
1037	–	}};
1038	–	testInvokeOnPool(singletonPool(), a);
1039	–	}
1040	–
1041	–	/**
1042	–	* timed get of a forked task returns when task completes
1043	–	*/
1044	–	public void testForkTimedGetSingleton() {
1045	–	RecursiveAction a = new CheckedRecursiveAction() {
1046	–	protected void realCompute() throws Exception {
1047	–	AsyncFib f = new AsyncFib(8);
1048	–	assertSame(f, f.fork());
1049	–	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1050	–	assertEquals(21, f.number);
1051	–	checkCompletedNormally(f);
1052	–	}};
1053	–	testInvokeOnPool(singletonPool(), a);
1054	–	}
1055	–
1056	–	/**
1057	–	* timed get with null time unit throws NPE
1058	–	*/
1059	–	public void testForkTimedGetNPESingleton() {
1060	–	RecursiveAction a = new CheckedRecursiveAction() {
1061	–	protected void realCompute() throws Exception {
1062	–	AsyncFib f = new AsyncFib(8);
1063	–	assertSame(f, f.fork());
1064	–	try {
1065	–	f.get(5L, null);
1066	–	shouldThrow();
1067	–	} catch (NullPointerException success) {}
1068	–	}};
1069	–	testInvokeOnPool(singletonPool(), a);
1070	–	}
1071	–
1072	–	/**
1073	–	* quietlyJoin of a forked task returns when task completes
1074	–	*/
1075	–	public void testForkQuietlyJoinSingleton() {
1076	–	RecursiveAction a = new CheckedRecursiveAction() {
1077	–	protected void realCompute() {
1078	–	AsyncFib f = new AsyncFib(8);
1079	–	assertSame(f, f.fork());
1080	–	f.quietlyJoin();
1081	–	assertEquals(21, f.number);
1082	–	checkCompletedNormally(f);
1083	–	}};
1084	–	testInvokeOnPool(singletonPool(), a);
1085	–	}
1086	–
1087	–	/**
1088	–	* helpQuiesce returns when tasks are complete.
1089	–	* getQueuedTaskCount returns 0 when quiescent
1090	–	*/
1091	–	public void testForkHelpQuiesceSingleton() {
1092	–	RecursiveAction a = new CheckedRecursiveAction() {
1093	–	protected void realCompute() {
1094	–	AsyncFib f = new AsyncFib(8);
1095	–	assertSame(f, f.fork());
1096	–	helpQuiesce();
1097	–	assertEquals(0, getQueuedTaskCount());
1098	–	assertEquals(21, f.number);
1099	–	checkCompletedNormally(f);
1100	–	}};
1101	–	testInvokeOnPool(singletonPool(), a);
1102	–	}
1103	–
1104	–	/**
1105	–	* invoke task throws exception when task completes abnormally
1106	–	*/
1107	–	public void testAbnormalInvokeSingleton() {
1108	–	RecursiveAction a = new CheckedRecursiveAction() {
1109	–	protected void realCompute() {
1110	–	FailingAsyncFib f = new FailingAsyncFib(8);
1111	–	try {
1112	–	f.invoke();
1113	–	shouldThrow();
1114	–	} catch (FJException success) {
1115	–	checkCompletedAbnormally(f, success);
1116	–	}
1117	–	}};
1118	–	testInvokeOnPool(singletonPool(), a);
1119	–	}
1120	–
1121	–	/**
1122	–	* quietlyInvoke task returns when task completes abnormally
1123	–	*/
1124	–	public void testAbnormalQuietlyInvokeSingleton() {
1125	–	RecursiveAction a = new CheckedRecursiveAction() {
1126	–	protected void realCompute() {
1127	–	FailingAsyncFib f = new FailingAsyncFib(8);
1128	–	f.quietlyInvoke();
1129	–	assertTrue(f.getException() instanceof FJException);
1130	–	checkCompletedAbnormally(f, f.getException());
1131	–	}};
1132	–	testInvokeOnPool(singletonPool(), a);
1133	–	}
1134	–
1135	–	/**
1136	–	* join of a forked task throws exception when task completes abnormally
1137	–	*/
1138	–	public void testAbnormalForkJoinSingleton() {
1139	–	RecursiveAction a = new CheckedRecursiveAction() {
1140	–	protected void realCompute() {
1141	–	FailingAsyncFib f = new FailingAsyncFib(8);
1142	–	assertSame(f, f.fork());
1143	–	try {
1144	–	f.join();
1145	–	shouldThrow();
1146	–	} catch (FJException success) {
1147	–	checkCompletedAbnormally(f, success);
1148	–	}
1149	–	}};
1150	–	testInvokeOnPool(singletonPool(), a);
1151	–	}
1152	–
1153	–	/**
1154	–	* get of a forked task throws exception when task completes abnormally
1155	–	*/
1156	–	public void testAbnormalForkGetSingleton() {
1157	–	RecursiveAction a = new CheckedRecursiveAction() {
1158	–	protected void realCompute() throws Exception {
1159	–	FailingAsyncFib f = new FailingAsyncFib(8);
1160	–	assertSame(f, f.fork());
1161	–	try {
1162	–	f.get();
1163	–	shouldThrow();
1164	–	} catch (ExecutionException success) {
1165	–	Throwable cause = success.getCause();
1166	–	assertTrue(cause instanceof FJException);
1167	–	checkCompletedAbnormally(f, cause);
1168	–	}
1169	–	}};
1170	–	testInvokeOnPool(singletonPool(), a);
1171	–	}
1172	–
1173	–	/**
1174	–	* timed get of a forked task throws exception when task completes abnormally
1175	–	*/
1176	–	public void testAbnormalForkTimedGetSingleton() {
1177	–	RecursiveAction a = new CheckedRecursiveAction() {
1178	–	protected void realCompute() throws Exception {
1179	–	FailingAsyncFib f = new FailingAsyncFib(8);
1180	–	assertSame(f, f.fork());
1181	–	try {
1182	–	f.get(LONG_DELAY_MS, MILLISECONDS);
1183	–	shouldThrow();
1184	–	} catch (ExecutionException success) {
1185	–	Throwable cause = success.getCause();
1186	–	assertTrue(cause instanceof FJException);
1187	–	checkCompletedAbnormally(f, cause);
1188	–	}
1189	–	}};
1190	–	testInvokeOnPool(singletonPool(), a);
1191	–	}
1192	–
1193	–	/**
1194	–	* quietlyJoin of a forked task returns when task completes abnormally
1195	–	*/
1196	–	public void testAbnormalForkQuietlyJoinSingleton() {
1197	–	RecursiveAction a = new CheckedRecursiveAction() {
1198	–	protected void realCompute() {
1199	–	FailingAsyncFib f = new FailingAsyncFib(8);
1200	–	assertSame(f, f.fork());
1201	–	f.quietlyJoin();
1202	–	assertTrue(f.getException() instanceof FJException);
1203	–	checkCompletedAbnormally(f, f.getException());
1204	–	}};
1205	–	testInvokeOnPool(singletonPool(), a);
1206	–	}
1207	–
1208	–	/**
1209	–	* invoke task throws exception after invoking completeExceptionally
1210	–	*/
1211	–	public void testCompleteExceptionallySingleton() {
1212	–	RecursiveAction a = new CheckedRecursiveAction() {
1213	–	protected void realCompute() {
1214	–	AsyncFib f = new AsyncFib(8);
1215	–	f.completeExceptionally(new FJException());
1216	–	try {
1217	–	f.invoke();
1218	–	shouldThrow();
1219	–	} catch (FJException success) {
1220	–	checkCompletedAbnormally(f, success);
1221	–	}
1222	–	}};
1223	–	testInvokeOnPool(singletonPool(), a);
1224	–	}
1225	–
1226	–	/**
1227	–	* invokeAll(t1, t2) invokes all task arguments
1228	–	*/
1229	–	public void testInvokeAll2Singleton() {
1230	–	RecursiveAction a = new CheckedRecursiveAction() {
1231	–	protected void realCompute() {
1232	–	AsyncFib f = new AsyncFib(8);
1233	–	AsyncFib g = new AsyncFib(9);
1234	–	invokeAll(f, g);
1235	–	assertEquals(21, f.number);
1236	–	assertEquals(34, g.number);
1237	–	checkCompletedNormally(f);
1238	–	checkCompletedNormally(g);
1239	–	}};
1240	–	testInvokeOnPool(singletonPool(), a);
1241	–	}
1242	–
1243	–	/**
1244	–	* invokeAll(tasks) with 1 argument invokes task
1245	–	*/
1246	–	public void testInvokeAll1Singleton() {
1247	–	RecursiveAction a = new CheckedRecursiveAction() {
1248	–	protected void realCompute() {
1249	–	AsyncFib f = new AsyncFib(8);
1250	–	invokeAll(f);
1251	–	checkCompletedNormally(f);
1252	–	assertEquals(21, f.number);
1253	–	}};
1254	–	testInvokeOnPool(singletonPool(), a);
1255	–	}
1256	–
1257	–	/**
1258	–	* invokeAll(tasks) with > 2 argument invokes tasks
1259	–	*/
1260	–	public void testInvokeAll3Singleton() {
1261	–	RecursiveAction a = new CheckedRecursiveAction() {
1262	–	protected void realCompute() {
1263	–	AsyncFib f = new AsyncFib(8);
1264	–	AsyncFib g = new AsyncFib(9);
1265	–	AsyncFib h = new AsyncFib(7);
1266	–	invokeAll(f, g, h);
1267	–	assertEquals(21, f.number);
1268	–	assertEquals(34, g.number);
1269	–	assertEquals(13, h.number);
1270	–	checkCompletedNormally(f);
1271	–	checkCompletedNormally(g);
1272	–	checkCompletedNormally(h);
1273	–	}};
1274	–	testInvokeOnPool(singletonPool(), a);
1275	–	}
1276	–
1277	–	/**
1278	–	* invokeAll(collection) invokes all tasks in the collection
1279	–	*/
1280	–	public void testInvokeAllCollectionSingleton() {
1281	–	RecursiveAction a = new CheckedRecursiveAction() {
1282	–	protected void realCompute() {
1283	–	AsyncFib f = new AsyncFib(8);
1284	–	AsyncFib g = new AsyncFib(9);
1285	–	AsyncFib h = new AsyncFib(7);
1286	–	HashSet set = new HashSet();
1287	–	set.add(f);
1288	–	set.add(g);
1289	–	set.add(h);
1290	–	invokeAll(set);
1291	–	assertEquals(21, f.number);
1292	–	assertEquals(34, g.number);
1293	–	assertEquals(13, h.number);
1294	–	checkCompletedNormally(f);
1295	–	checkCompletedNormally(g);
1296	–	checkCompletedNormally(h);
1297	–	}};
1298	–	testInvokeOnPool(singletonPool(), a);
1299	–	}
1300	–
1301	–	/**
1302	–	* invokeAll(tasks) with any null task throws NPE
1303	–	*/
1304	–	public void testInvokeAllNPESingleton() {
1305	–	RecursiveAction a = new CheckedRecursiveAction() {
1306	–	protected void realCompute() {
1307	–	AsyncFib f = new AsyncFib(8);
1308	–	AsyncFib g = new AsyncFib(9);
1309	–	AsyncFib h = null;
1310	–	try {
1311	–	invokeAll(f, g, h);
1312	–	shouldThrow();
1313	–	} catch (NullPointerException success) {}
1314	–	}};
1315	–	testInvokeOnPool(singletonPool(), a);
1316	–	}
1317	–
1318	–	/**
1319	–	* invokeAll(t1, t2) throw exception if any task does
1320	–	*/
1321	–	public void testAbnormalInvokeAll2Singleton() {
1322	–	RecursiveAction a = new CheckedRecursiveAction() {
1323	–	protected void realCompute() {
1324	–	AsyncFib f = new AsyncFib(8);
1325	–	FailingAsyncFib g = new FailingAsyncFib(9);
1326	–	try {
1327	–	invokeAll(f, g);
1328	–	shouldThrow();
1329	–	} catch (FJException success) {
1330	–	checkCompletedAbnormally(g, success);
1331	–	}
1332	–	}};
1333	–	testInvokeOnPool(singletonPool(), a);
1334	–	}
1335	–
1336	–	/**
1337	–	* invokeAll(tasks) with 1 argument throws exception if task does
1338	–	*/
1339	–	public void testAbnormalInvokeAll1Singleton() {
1340	–	RecursiveAction a = new CheckedRecursiveAction() {
1341	–	protected void realCompute() {
1342	–	FailingAsyncFib g = new FailingAsyncFib(9);
1343	–	try {
1344	–	invokeAll(g);
1345	–	shouldThrow();
1346	–	} catch (FJException success) {
1347	–	checkCompletedAbnormally(g, success);
1348	–	}
1349	–	}};
1350	–	testInvokeOnPool(singletonPool(), a);
1351	–	}
1352	–
1353	–	/**
1354	–	* invokeAll(tasks) with > 2 argument throws exception if any task does
1355	–	*/
1356	–	public void testAbnormalInvokeAll3Singleton() {
1357	–	RecursiveAction a = new CheckedRecursiveAction() {
1358	–	protected void realCompute() {
1359	–	AsyncFib f = new AsyncFib(8);
1360	–	FailingAsyncFib g = new FailingAsyncFib(9);
1361	–	AsyncFib h = new AsyncFib(7);
1362	–	try {
1363	–	invokeAll(f, g, h);
1364	–	shouldThrow();
1365	–	} catch (FJException success) {
1366	–	checkCompletedAbnormally(g, success);
1367	–	}
1368	–	}};
1369	–	testInvokeOnPool(singletonPool(), a);
1370	–	}
1371	–
1372	–	/**
1373	–	* invokeAll(collection)  throws exception if any task does
1374	–	*/
1375	–	public void testAbnormalInvokeAllCollectionSingleton() {
1376	–	RecursiveAction a = new CheckedRecursiveAction() {
1377	–	protected void realCompute() {
1378	–	FailingAsyncFib f = new FailingAsyncFib(8);
1379	–	AsyncFib g = new AsyncFib(9);
1380	–	AsyncFib h = new AsyncFib(7);
1381	–	HashSet set = new HashSet();
1382	–	set.add(f);
1383	–	set.add(g);
1384	–	set.add(h);
1385	–	try {
1386	–	invokeAll(set);
1387	–	shouldThrow();
1388	–	} catch (FJException success) {
1389	–	checkCompletedAbnormally(f, success);
1390	–	}
1391	–	}};
1392	–	testInvokeOnPool(singletonPool(), a);
1393	–	}
1394	–
1134		/**
1135		* ForkJoinTask.quietlyComplete returns when task completes
1136		* normally without setting a value. The most recent value
#	Line 1413 | Line 1152 | public class ForkJoinTask8Test extends J
1152		testInvokeOnPool(mainPool(), a);
1153		}
1154
1155	+	// jdk9
1156	+
1157	+	/**
1158	+	* pollSubmission returns unexecuted submitted task, if present
1159	+	*/
1160	+	public void testPollSubmission() {
1161	+	final CountDownLatch done = new CountDownLatch(1);
1162	+	final ForkJoinTask a = ForkJoinTask.adapt(awaiter(done));
1163	+	final ForkJoinTask b = ForkJoinTask.adapt(awaiter(done));
1164	+	final ForkJoinTask c = ForkJoinTask.adapt(awaiter(done));
1165	+	final ForkJoinPool p = singletonPool();
1166	+	try (PoolCleaner cleaner = cleaner(p)) {
1167	+	Thread external = new Thread(new CheckedRunnable() {
1168	+	public void realRun() {
1169	+	p.execute(a);
1170	+	p.execute(b);
1171	+	p.execute(c);
1172	+	}});
1173	+	RecursiveAction s = new CheckedRecursiveAction() {
1174	+	protected void realCompute() {
1175	+	external.start();
1176	+	try {
1177	+	external.join();
1178	+	} catch (Exception ex) {
1179	+	threadUnexpectedException(ex);
1180	+	}
1181	+	assertTrue(p.hasQueuedSubmissions());
1182	+	assertTrue(Thread.currentThread() instanceof ForkJoinWorkerThread);
1183	+	ForkJoinTask r = ForkJoinTask.pollSubmission();
1184	+	assertTrue(r == a || r == b || r == c);
1185	+	assertFalse(r.isDone());
1186	+	}};
1187	+	p.invoke(s);
1188	+	done.countDown();
1189	+	}
1190	+	}
1191	+
1192		}

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