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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.18 by jsr166, Fri Sep 17 00:55:19 2010 UTC vs.
Revision 1.41 by jsr166, Sat Apr 25 04:55:30 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6	<	import java.util.concurrent.ExecutionException;
6	>
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.SECONDS;
9	>
10	>	import java.util.HashSet;
11		import java.util.concurrent.CancellationException;
12	+	import java.util.concurrent.ExecutionException;
13		import java.util.concurrent.ForkJoinPool;
14		import java.util.concurrent.ForkJoinTask;
10	–	import java.util.concurrent.ForkJoinWorkerThread;
15		import java.util.concurrent.RecursiveAction;
16	<	import java.util.concurrent.TimeUnit;
16	>	import java.util.concurrent.TimeoutException;
17		import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
18	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
19	<	import java.util.HashSet;
20	<	import junit.framework.*;
18	>
19	>	import junit.framework.Test;
20	>	import junit.framework.TestSuite;
21
22		public class ForkJoinTaskTest extends JSR166TestCase {
23
24		public static void main(String[] args) {
25	<	junit.textui.TestRunner.run(suite());
25	>	main(suite(), args);
26		}
27
28		public static Test suite() {
29		return new TestSuite(ForkJoinTaskTest.class);
30		}
31
32	+	// Runs with "mainPool" use > 1 thread. singletonPool tests use 1
33	+	static final int mainPoolSize =
34	+	Math.max(2, Runtime.getRuntime().availableProcessors());
35	+
36		private static ForkJoinPool mainPool() {
37	<	return new ForkJoinPool();
37	>	return new ForkJoinPool(mainPoolSize);
38		}
39
40		private static ForkJoinPool singletonPool() {
#	Line 46 | Line 54 | public class ForkJoinTaskTest extends JS
54		assertFalse(a.isCompletedAbnormally());
55		assertFalse(a.isCancelled());
56		assertNull(a.getException());
57	+	assertNull(a.getRawResult());
58
59		assertNull(pool.invoke(a));
60
#	Line 54 | Line 63 | public class ForkJoinTaskTest extends JS
63		assertFalse(a.isCompletedAbnormally());
64		assertFalse(a.isCancelled());
65		assertNull(a.getException());
66	+	assertNull(a.getRawResult());
67		} finally {
68		joinPool(pool);
69		}
70		}
71
72	+	void checkNotDone(ForkJoinTask a) {
73	+	assertFalse(a.isDone());
74	+	assertFalse(a.isCompletedNormally());
75	+	assertFalse(a.isCompletedAbnormally());
76	+	assertFalse(a.isCancelled());
77	+	assertNull(a.getException());
78	+	assertNull(a.getRawResult());
79	+
80	+	try {
81	+	a.get(0L, SECONDS);
82	+	shouldThrow();
83	+	} catch (TimeoutException success) {
84	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
85	+	}
86	+
87	+	<T> void checkCompletedNormally(ForkJoinTask<T> a) {
88	+	checkCompletedNormally(a, null);
89	+	}
90	+
91	+	<T> void checkCompletedNormally(ForkJoinTask<T> a, T expected) {
92	+	assertTrue(a.isDone());
93	+	assertFalse(a.isCancelled());
94	+	assertTrue(a.isCompletedNormally());
95	+	assertFalse(a.isCompletedAbnormally());
96	+	assertNull(a.getException());
97	+	assertSame(expected, a.getRawResult());
98	+
99	+	{
100	+	Thread.currentThread().interrupt();
101	+	long t0 = System.nanoTime();
102	+	assertSame(expected, a.join());
103	+	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
104	+	Thread.interrupted();
105	+	}
106	+
107	+	{
108	+	Thread.currentThread().interrupt();
109	+	long t0 = System.nanoTime();
110	+	a.quietlyJoin();        // should be no-op
111	+	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
112	+	Thread.interrupted();
113	+	}
114	+
115	+	assertFalse(a.cancel(false));
116	+	assertFalse(a.cancel(true));
117	+	try {
118	+	assertSame(expected, a.get());
119	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
120	+	try {
121	+	assertSame(expected, a.get(5L, SECONDS));
122	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
123	+	}
124	+
125	+	void checkCancelled(ForkJoinTask a) {
126	+	assertTrue(a.isDone());
127	+	assertTrue(a.isCancelled());
128	+	assertFalse(a.isCompletedNormally());
129	+	assertTrue(a.isCompletedAbnormally());
130	+	assertTrue(a.getException() instanceof CancellationException);
131	+	assertNull(a.getRawResult());
132	+	assertTrue(a.cancel(false));
133	+	assertTrue(a.cancel(true));
134	+
135	+	try {
136	+	Thread.currentThread().interrupt();
137	+	a.join();
138	+	shouldThrow();
139	+	} catch (CancellationException success) {
140	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
141	+	Thread.interrupted();
142	+
143	+	{
144	+	long t0 = System.nanoTime();
145	+	a.quietlyJoin();        // should be no-op
146	+	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
147	+	}
148	+
149	+	try {
150	+	a.get();
151	+	shouldThrow();
152	+	} catch (CancellationException success) {
153	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
154	+
155	+	try {
156	+	a.get(5L, SECONDS);
157	+	shouldThrow();
158	+	} catch (CancellationException success) {
159	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
160	+	}
161	+
162	+	void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
163	+	assertTrue(a.isDone());
164	+	assertFalse(a.isCancelled());
165	+	assertFalse(a.isCompletedNormally());
166	+	assertTrue(a.isCompletedAbnormally());
167	+	assertSame(t.getClass(), a.getException().getClass());
168	+	assertNull(a.getRawResult());
169	+	assertFalse(a.cancel(false));
170	+	assertFalse(a.cancel(true));
171	+
172	+	try {
173	+	Thread.currentThread().interrupt();
174	+	a.join();
175	+	shouldThrow();
176	+	} catch (Throwable expected) {
177	+	assertSame(t.getClass(), expected.getClass());
178	+	}
179	+	Thread.interrupted();
180	+
181	+	{
182	+	long t0 = System.nanoTime();
183	+	a.quietlyJoin();        // should be no-op
184	+	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
185	+	}
186	+
187	+	try {
188	+	a.get();
189	+	shouldThrow();
190	+	} catch (ExecutionException success) {
191	+	assertSame(t.getClass(), success.getCause().getClass());
192	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
193	+
194	+	try {
195	+	a.get(5L, SECONDS);
196	+	shouldThrow();
197	+	} catch (ExecutionException success) {
198	+	assertSame(t.getClass(), success.getCause().getClass());
199	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
200	+	}
201	+
202		/*
203		* Testing coverage notes:
204		*
#	Line 67 | Line 207 | public class ForkJoinTaskTest extends JS
207		* differently than supplied Recursive forms.
208		*/
209
210	<	static final class FJException extends RuntimeException {
210	>	public static final class FJException extends RuntimeException {
211		FJException() { super(); }
212		}
213
214	<	static abstract class BinaryAsyncAction extends ForkJoinTask<Void> {
214	>	abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
215		private volatile int controlState;
216
217		static final AtomicIntegerFieldUpdater<BinaryAsyncAction> controlStateUpdater =
#	Line 211 | Line 351 | public class ForkJoinTaskTest extends JS
351		}
352		}
353
214	–
354		static final class FailingAsyncFib extends BinaryAsyncAction {
355		int number;
356		public FailingAsyncFib(int n) {
#	Line 243 | Line 382 | public class ForkJoinTaskTest extends JS
382		/**
383		* invoke returns when task completes normally.
384		* isCompletedAbnormally and isCancelled return false for normally
385	<	* completed tasks. getRawResult of a RecursiveAction returns null;
385	>	* completed tasks; getRawResult returns null.
386		*/
387		public void testInvoke() {
388		RecursiveAction a = new CheckedRecursiveAction() {
389	<	public void realCompute() {
389	>	protected void realCompute() {
390		AsyncFib f = new AsyncFib(8);
391		assertNull(f.invoke());
392		assertEquals(21, f.number);
393	<	assertTrue(f.isDone());
255	<	assertFalse(f.isCancelled());
256	<	assertFalse(f.isCompletedAbnormally());
257	<	assertNull(f.getRawResult());
393	>	checkCompletedNormally(f);
394		}};
395		testInvokeOnPool(mainPool(), a);
396		}
#	Line 266 | Line 402 | public class ForkJoinTaskTest extends JS
402		*/
403		public void testQuietlyInvoke() {
404		RecursiveAction a = new CheckedRecursiveAction() {
405	<	public void realCompute() {
405	>	protected void realCompute() {
406		AsyncFib f = new AsyncFib(8);
407		f.quietlyInvoke();
408		assertEquals(21, f.number);
409	<	assertTrue(f.isDone());
274	<	assertFalse(f.isCancelled());
275	<	assertFalse(f.isCompletedAbnormally());
276	<	assertNull(f.getRawResult());
409	>	checkCompletedNormally(f);
410		}};
411		testInvokeOnPool(mainPool(), a);
412		}
#	Line 283 | Line 416 | public class ForkJoinTaskTest extends JS
416		*/
417		public void testForkJoin() {
418		RecursiveAction a = new CheckedRecursiveAction() {
419	<	public void realCompute() {
419	>	protected void realCompute() {
420		AsyncFib f = new AsyncFib(8);
421		assertSame(f, f.fork());
422		assertNull(f.join());
423		assertEquals(21, f.number);
424	<	assertTrue(f.isDone());
292	<	assertNull(f.getRawResult());
424	>	checkCompletedNormally(f);
425		}};
426		testInvokeOnPool(mainPool(), a);
427		}
#	Line 299 | Line 431 | public class ForkJoinTaskTest extends JS
431		*/
432		public void testForkGet() {
433		RecursiveAction a = new CheckedRecursiveAction() {
434	<	public void realCompute() throws Exception {
434	>	protected void realCompute() throws Exception {
435		AsyncFib f = new AsyncFib(8);
436		assertSame(f, f.fork());
437		assertNull(f.get());
438		assertEquals(21, f.number);
439	<	assertTrue(f.isDone());
439	>	checkCompletedNormally(f);
440		}};
441		testInvokeOnPool(mainPool(), a);
442		}
#	Line 314 | Line 446 | public class ForkJoinTaskTest extends JS
446		*/
447		public void testForkTimedGet() {
448		RecursiveAction a = new CheckedRecursiveAction() {
449	<	public void realCompute() throws Exception {
449	>	protected void realCompute() throws Exception {
450		AsyncFib f = new AsyncFib(8);
451		assertSame(f, f.fork());
452		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
453		assertEquals(21, f.number);
454	<	assertTrue(f.isDone());
454	>	checkCompletedNormally(f);
455		}};
456		testInvokeOnPool(mainPool(), a);
457		}
#	Line 329 | Line 461 | public class ForkJoinTaskTest extends JS
461		*/
462		public void testForkTimedGetNPE() {
463		RecursiveAction a = new CheckedRecursiveAction() {
464	<	public void realCompute() throws Exception {
464	>	protected void realCompute() throws Exception {
465		AsyncFib f = new AsyncFib(8);
466		assertSame(f, f.fork());
467		try {
#	Line 345 | Line 477 | public class ForkJoinTaskTest extends JS
477		*/
478		public void testForkQuietlyJoin() {
479		RecursiveAction a = new CheckedRecursiveAction() {
480	<	public void realCompute() {
480	>	protected void realCompute() {
481		AsyncFib f = new AsyncFib(8);
482		assertSame(f, f.fork());
483		f.quietlyJoin();
484		assertEquals(21, f.number);
485	<	assertTrue(f.isDone());
485	>	checkCompletedNormally(f);
486		}};
487		testInvokeOnPool(mainPool(), a);
488		}
489
358	–
490		/**
491		* helpQuiesce returns when tasks are complete.
492		* getQueuedTaskCount returns 0 when quiescent
493		*/
494		public void testForkHelpQuiesce() {
495		RecursiveAction a = new CheckedRecursiveAction() {
496	<	public void realCompute() {
496	>	protected void realCompute() {
497		AsyncFib f = new AsyncFib(8);
498		assertSame(f, f.fork());
499	<	f.helpQuiesce();
499	>	helpQuiesce();
500		assertEquals(21, f.number);
370	–	assertTrue(f.isDone());
501		assertEquals(0, getQueuedTaskCount());
502	+	checkCompletedNormally(f);
503		}};
504		testInvokeOnPool(mainPool(), a);
505		}
506
376	–
507		/**
508		* invoke task throws exception when task completes abnormally
509		*/
510		public void testAbnormalInvoke() {
511		RecursiveAction a = new CheckedRecursiveAction() {
512	<	public void realCompute() {
512	>	protected void realCompute() {
513		FailingAsyncFib f = new FailingAsyncFib(8);
514		try {
515		f.invoke();
516		shouldThrow();
517	<	} catch (FJException success) {}
517	>	} catch (FJException success) {
518	>	checkCompletedAbnormally(f, success);
519	>	}
520		}};
521		testInvokeOnPool(mainPool(), a);
522		}
#	Line 394 | Line 526 | public class ForkJoinTaskTest extends JS
526		*/
527		public void testAbnormalQuietlyInvoke() {
528		RecursiveAction a = new CheckedRecursiveAction() {
529	<	public void realCompute() {
529	>	protected void realCompute() {
530		FailingAsyncFib f = new FailingAsyncFib(8);
531		f.quietlyInvoke();
532	<	assertTrue(f.isDone());
532	>	assertTrue(f.getException() instanceof FJException);
533	>	checkCompletedAbnormally(f, f.getException());
534		}};
535		testInvokeOnPool(mainPool(), a);
536		}
#	Line 407 | Line 540 | public class ForkJoinTaskTest extends JS
540		*/
541		public void testAbnormalForkJoin() {
542		RecursiveAction a = new CheckedRecursiveAction() {
543	<	public void realCompute() {
543	>	protected void realCompute() {
544		FailingAsyncFib f = new FailingAsyncFib(8);
545		assertSame(f, f.fork());
546		try {
547		f.join();
548		shouldThrow();
549	<	} catch (FJException success) {}
549	>	} catch (FJException success) {
550	>	checkCompletedAbnormally(f, success);
551	>	}
552		}};
553		testInvokeOnPool(mainPool(), a);
554		}
#	Line 423 | Line 558 | public class ForkJoinTaskTest extends JS
558		*/
559		public void testAbnormalForkGet() {
560		RecursiveAction a = new CheckedRecursiveAction() {
561	<	public void realCompute() throws Exception {
561	>	protected void realCompute() throws Exception {
562		FailingAsyncFib f = new FailingAsyncFib(8);
563		assertSame(f, f.fork());
564		try {
#	Line 432 | Line 567 | public class ForkJoinTaskTest extends JS
567		} catch (ExecutionException success) {
568		Throwable cause = success.getCause();
569		assertTrue(cause instanceof FJException);
570	<	assertTrue(f.isDone());
436	<	assertTrue(f.isCompletedAbnormally());
437	<	assertSame(cause, f.getException());
570	>	checkCompletedAbnormally(f, cause);
571		}
572		}};
573		testInvokeOnPool(mainPool(), a);
#	Line 445 | Line 578 | public class ForkJoinTaskTest extends JS
578		*/
579		public void testAbnormalForkTimedGet() {
580		RecursiveAction a = new CheckedRecursiveAction() {
581	<	public void realCompute() throws Exception {
581	>	protected void realCompute() throws Exception {
582		FailingAsyncFib f = new FailingAsyncFib(8);
583		assertSame(f, f.fork());
584		try {
#	Line 454 | Line 587 | public class ForkJoinTaskTest extends JS
587		} catch (ExecutionException success) {
588		Throwable cause = success.getCause();
589		assertTrue(cause instanceof FJException);
590	<	assertTrue(f.isDone());
458	<	assertTrue(f.isCompletedAbnormally());
459	<	assertSame(cause, f.getException());
590	>	checkCompletedAbnormally(f, cause);
591		}
592		}};
593		testInvokeOnPool(mainPool(), a);
#	Line 467 | Line 598 | public class ForkJoinTaskTest extends JS
598		*/
599		public void testAbnormalForkQuietlyJoin() {
600		RecursiveAction a = new CheckedRecursiveAction() {
601	<	public void realCompute() {
601	>	protected void realCompute() {
602		FailingAsyncFib f = new FailingAsyncFib(8);
603		assertSame(f, f.fork());
604		f.quietlyJoin();
474	–	assertTrue(f.isDone());
475	–	assertTrue(f.isCompletedAbnormally());
605		assertTrue(f.getException() instanceof FJException);
606	+	checkCompletedAbnormally(f, f.getException());
607		}};
608		testInvokeOnPool(mainPool(), a);
609		}
#	Line 483 | Line 613 | public class ForkJoinTaskTest extends JS
613		*/
614		public void testCancelledInvoke() {
615		RecursiveAction a = new CheckedRecursiveAction() {
616	<	public void realCompute() {
616	>	protected void realCompute() {
617		AsyncFib f = new AsyncFib(8);
618		assertTrue(f.cancel(true));
619		try {
620		f.invoke();
621		shouldThrow();
622		} catch (CancellationException success) {
623	<	assertTrue(f.isDone());
494	<	assertTrue(f.isCancelled());
495	<	assertTrue(f.isCompletedAbnormally());
496	<	assertTrue(f.getException() instanceof CancellationException);
623	>	checkCancelled(f);
624		}
625		}};
626		testInvokeOnPool(mainPool(), a);
#	Line 504 | Line 631 | public class ForkJoinTaskTest extends JS
631		*/
632		public void testCancelledForkJoin() {
633		RecursiveAction a = new CheckedRecursiveAction() {
634	<	public void realCompute() {
634	>	protected void realCompute() {
635		AsyncFib f = new AsyncFib(8);
636		assertTrue(f.cancel(true));
637		assertSame(f, f.fork());
#	Line 512 | Line 639 | public class ForkJoinTaskTest extends JS
639		f.join();
640		shouldThrow();
641		} catch (CancellationException success) {
642	<	assertTrue(f.isDone());
516	<	assertTrue(f.isCancelled());
517	<	assertTrue(f.isCompletedAbnormally());
518	<	assertTrue(f.getException() instanceof CancellationException);
642	>	checkCancelled(f);
643		}
644		}};
645		testInvokeOnPool(mainPool(), a);
#	Line 526 | Line 650 | public class ForkJoinTaskTest extends JS
650		*/
651		public void testCancelledForkGet() {
652		RecursiveAction a = new CheckedRecursiveAction() {
653	<	public void realCompute() throws Exception {
653	>	protected void realCompute() throws Exception {
654		AsyncFib f = new AsyncFib(8);
655		assertTrue(f.cancel(true));
656		assertSame(f, f.fork());
#	Line 534 | Line 658 | public class ForkJoinTaskTest extends JS
658		f.get();
659		shouldThrow();
660		} catch (CancellationException success) {
661	<	assertTrue(f.isDone());
538	<	assertTrue(f.isCancelled());
539	<	assertTrue(f.isCompletedAbnormally());
540	<	assertTrue(f.getException() instanceof CancellationException);
661	>	checkCancelled(f);
662		}
663		}};
664		testInvokeOnPool(mainPool(), a);
#	Line 548 | Line 669 | public class ForkJoinTaskTest extends JS
669		*/
670		public void testCancelledForkTimedGet() throws Exception {
671		RecursiveAction a = new CheckedRecursiveAction() {
672	<	public void realCompute() throws Exception {
672	>	protected void realCompute() throws Exception {
673		AsyncFib f = new AsyncFib(8);
674		assertTrue(f.cancel(true));
675		assertSame(f, f.fork());
#	Line 556 | Line 677 | public class ForkJoinTaskTest extends JS
677		f.get(LONG_DELAY_MS, MILLISECONDS);
678		shouldThrow();
679		} catch (CancellationException success) {
680	<	assertTrue(f.isDone());
560	<	assertTrue(f.isCancelled());
561	<	assertTrue(f.isCompletedAbnormally());
562	<	assertTrue(f.getException() instanceof CancellationException);
680	>	checkCancelled(f);
681		}
682		}};
683		testInvokeOnPool(mainPool(), a);
#	Line 570 | Line 688 | public class ForkJoinTaskTest extends JS
688		*/
689		public void testCancelledForkQuietlyJoin() {
690		RecursiveAction a = new CheckedRecursiveAction() {
691	<	public void realCompute() {
691	>	protected void realCompute() {
692		AsyncFib f = new AsyncFib(8);
693		assertTrue(f.cancel(true));
694		assertSame(f, f.fork());
695		f.quietlyJoin();
696	<	assertTrue(f.isDone());
579	<	assertTrue(f.isCompletedAbnormally());
580	<	assertTrue(f.isCancelled());
581	<	assertTrue(f.getException() instanceof CancellationException);
696	>	checkCancelled(f);
697		}};
698		testInvokeOnPool(mainPool(), a);
699		}
#	Line 589 | Line 704 | public class ForkJoinTaskTest extends JS
704		public void testGetPool() {
705		final ForkJoinPool mainPool = mainPool();
706		RecursiveAction a = new CheckedRecursiveAction() {
707	<	public void realCompute() {
707	>	protected void realCompute() {
708		assertSame(mainPool, getPool());
709		}};
710		testInvokeOnPool(mainPool, a);
#	Line 600 | Line 715 | public class ForkJoinTaskTest extends JS
715		*/
716		public void testGetPool2() {
717		RecursiveAction a = new CheckedRecursiveAction() {
718	<	public void realCompute() {
718	>	protected void realCompute() {
719		assertNull(getPool());
720		}};
721		assertNull(a.invoke());
#	Line 611 | Line 726 | public class ForkJoinTaskTest extends JS
726		*/
727		public void testInForkJoinPool() {
728		RecursiveAction a = new CheckedRecursiveAction() {
729	<	public void realCompute() {
729	>	protected void realCompute() {
730		assertTrue(inForkJoinPool());
731		}};
732		testInvokeOnPool(mainPool(), a);
#	Line 622 | Line 737 | public class ForkJoinTaskTest extends JS
737		*/
738		public void testInForkJoinPool2() {
739		RecursiveAction a = new CheckedRecursiveAction() {
740	<	public void realCompute() {
741	<	assertTrue(!inForkJoinPool());
740	>	protected void realCompute() {
741	>	assertFalse(inForkJoinPool());
742		}};
743		assertNull(a.invoke());
744		}
#	Line 633 | Line 748 | public class ForkJoinTaskTest extends JS
748		*/
749		public void testSetRawResult() {
750		RecursiveAction a = new CheckedRecursiveAction() {
751	<	public void realCompute() {
751	>	protected void realCompute() {
752		setRawResult(null);
753	+	assertNull(getRawResult());
754		}};
755		assertNull(a.invoke());
756		}
#	Line 644 | Line 760 | public class ForkJoinTaskTest extends JS
760		*/
761		public void testCompleteExceptionally() {
762		RecursiveAction a = new CheckedRecursiveAction() {
763	<	public void realCompute() {
763	>	protected void realCompute() {
764		AsyncFib f = new AsyncFib(8);
765		f.completeExceptionally(new FJException());
766		try {
767		f.invoke();
768		shouldThrow();
769	<	} catch (FJException success) {}
769	>	} catch (FJException success) {
770	>	checkCompletedAbnormally(f, success);
771	>	}
772		}};
773		testInvokeOnPool(mainPool(), a);
774		}
#	Line 660 | Line 778 | public class ForkJoinTaskTest extends JS
778		*/
779		public void testInvokeAll2() {
780		RecursiveAction a = new CheckedRecursiveAction() {
781	<	public void realCompute() {
781	>	protected void realCompute() {
782		AsyncFib f = new AsyncFib(8);
783		AsyncFib g = new AsyncFib(9);
784		invokeAll(f, g);
667	–	assertTrue(f.isDone());
785		assertEquals(21, f.number);
669	–	assertTrue(g.isDone());
786		assertEquals(34, g.number);
787	+	checkCompletedNormally(f);
788	+	checkCompletedNormally(g);
789		}};
790		testInvokeOnPool(mainPool(), a);
791		}
#	Line 677 | Line 795 | public class ForkJoinTaskTest extends JS
795		*/
796		public void testInvokeAll1() {
797		RecursiveAction a = new CheckedRecursiveAction() {
798	<	public void realCompute() {
798	>	protected void realCompute() {
799		AsyncFib f = new AsyncFib(8);
800		invokeAll(f);
801	<	assertTrue(f.isDone());
801	>	checkCompletedNormally(f);
802		assertEquals(21, f.number);
803		}};
804		testInvokeOnPool(mainPool(), a);
#	Line 691 | Line 809 | public class ForkJoinTaskTest extends JS
809		*/
810		public void testInvokeAll3() {
811		RecursiveAction a = new CheckedRecursiveAction() {
812	<	public void realCompute() {
812	>	protected void realCompute() {
813		AsyncFib f = new AsyncFib(8);
814		AsyncFib g = new AsyncFib(9);
815		AsyncFib h = new AsyncFib(7);
816		invokeAll(f, g, h);
699	–	assertTrue(f.isDone());
817		assertEquals(21, f.number);
701	–	assertTrue(g.isDone());
818		assertEquals(34, g.number);
703	–	assertTrue(h.isDone());
819		assertEquals(13, h.number);
820	+	checkCompletedNormally(f);
821	+	checkCompletedNormally(g);
822	+	checkCompletedNormally(h);
823		}};
824		testInvokeOnPool(mainPool(), a);
825		}
#	Line 711 | Line 829 | public class ForkJoinTaskTest extends JS
829		*/
830		public void testInvokeAllCollection() {
831		RecursiveAction a = new CheckedRecursiveAction() {
832	<	public void realCompute() {
832	>	protected void realCompute() {
833		AsyncFib f = new AsyncFib(8);
834		AsyncFib g = new AsyncFib(9);
835		AsyncFib h = new AsyncFib(7);
#	Line 720 | Line 838 | public class ForkJoinTaskTest extends JS
838		set.add(g);
839		set.add(h);
840		invokeAll(set);
723	–	assertTrue(f.isDone());
841		assertEquals(21, f.number);
725	–	assertTrue(g.isDone());
842		assertEquals(34, g.number);
727	–	assertTrue(h.isDone());
843		assertEquals(13, h.number);
844	+	checkCompletedNormally(f);
845	+	checkCompletedNormally(g);
846	+	checkCompletedNormally(h);
847		}};
848		testInvokeOnPool(mainPool(), a);
849		}
850
733	–
851		/**
852		* invokeAll(tasks) with any null task throws NPE
853		*/
854		public void testInvokeAllNPE() {
855		RecursiveAction a = new CheckedRecursiveAction() {
856	<	public void realCompute() {
856	>	protected void realCompute() {
857		AsyncFib f = new AsyncFib(8);
858		AsyncFib g = new AsyncFib(9);
859		AsyncFib h = null;
#	Line 753 | Line 870 | public class ForkJoinTaskTest extends JS
870		*/
871		public void testAbnormalInvokeAll2() {
872		RecursiveAction a = new CheckedRecursiveAction() {
873	<	public void realCompute() {
873	>	protected void realCompute() {
874		AsyncFib f = new AsyncFib(8);
875		FailingAsyncFib g = new FailingAsyncFib(9);
876		try {
877		invokeAll(f, g);
878		shouldThrow();
879	<	} catch (FJException success) {}
879	>	} catch (FJException success) {
880	>	checkCompletedAbnormally(g, success);
881	>	}
882		}};
883		testInvokeOnPool(mainPool(), a);
884		}
#	Line 769 | Line 888 | public class ForkJoinTaskTest extends JS
888		*/
889		public void testAbnormalInvokeAll1() {
890		RecursiveAction a = new CheckedRecursiveAction() {
891	<	public void realCompute() {
891	>	protected void realCompute() {
892		FailingAsyncFib g = new FailingAsyncFib(9);
893		try {
894		invokeAll(g);
895		shouldThrow();
896	<	} catch (FJException success) {}
896	>	} catch (FJException success) {
897	>	checkCompletedAbnormally(g, success);
898	>	}
899		}};
900		testInvokeOnPool(mainPool(), a);
901		}
#	Line 784 | Line 905 | public class ForkJoinTaskTest extends JS
905		*/
906		public void testAbnormalInvokeAll3() {
907		RecursiveAction a = new CheckedRecursiveAction() {
908	<	public void realCompute() {
908	>	protected void realCompute() {
909		AsyncFib f = new AsyncFib(8);
910		FailingAsyncFib g = new FailingAsyncFib(9);
911		AsyncFib h = new AsyncFib(7);
912		try {
913		invokeAll(f, g, h);
914		shouldThrow();
915	<	} catch (FJException success) {}
915	>	} catch (FJException success) {
916	>	checkCompletedAbnormally(g, success);
917	>	}
918		}};
919		testInvokeOnPool(mainPool(), a);
920		}
921
922		/**
923	<	* invokeAll(collection)  throws exception if any task does
923	>	* invokeAll(collection) throws exception if any task does
924		*/
925		public void testAbnormalInvokeAllCollection() {
926		RecursiveAction a = new CheckedRecursiveAction() {
927	<	public void realCompute() {
927	>	protected void realCompute() {
928		FailingAsyncFib f = new FailingAsyncFib(8);
929		AsyncFib g = new AsyncFib(9);
930		AsyncFib h = new AsyncFib(7);
#	Line 812 | Line 935 | public class ForkJoinTaskTest extends JS
935		try {
936		invokeAll(set);
937		shouldThrow();
938	<	} catch (FJException success) {}
938	>	} catch (FJException success) {
939	>	checkCompletedAbnormally(f, success);
940	>	}
941		}};
942		testInvokeOnPool(mainPool(), a);
943		}
#	Line 823 | Line 948 | public class ForkJoinTaskTest extends JS
948		*/
949		public void testTryUnfork() {
950		RecursiveAction a = new CheckedRecursiveAction() {
951	<	public void realCompute() {
951	>	protected void realCompute() {
952		AsyncFib g = new AsyncFib(9);
953		assertSame(g, g.fork());
954		AsyncFib f = new AsyncFib(8);
955		assertSame(f, f.fork());
956		assertTrue(f.tryUnfork());
957		helpQuiesce();
958	<	assertFalse(f.isDone());
959	<	assertTrue(g.isDone());
958	>	checkNotDone(f);
959	>	checkCompletedNormally(g);
960		}};
961		testInvokeOnPool(singletonPool(), a);
962		}
#	Line 842 | Line 967 | public class ForkJoinTaskTest extends JS
967		*/
968		public void testGetSurplusQueuedTaskCount() {
969		RecursiveAction a = new CheckedRecursiveAction() {
970	<	public void realCompute() {
970	>	protected void realCompute() {
971		AsyncFib h = new AsyncFib(7);
972		assertSame(h, h.fork());
973		AsyncFib g = new AsyncFib(9);
#	Line 851 | Line 976 | public class ForkJoinTaskTest extends JS
976		assertSame(f, f.fork());
977		assertTrue(getSurplusQueuedTaskCount() > 0);
978		helpQuiesce();
979	+	assertEquals(0, getSurplusQueuedTaskCount());
980	+	checkCompletedNormally(f);
981	+	checkCompletedNormally(g);
982	+	checkCompletedNormally(h);
983		}};
984		testInvokeOnPool(singletonPool(), a);
985		}
#	Line 860 | Line 989 | public class ForkJoinTaskTest extends JS
989		*/
990		public void testPeekNextLocalTask() {
991		RecursiveAction a = new CheckedRecursiveAction() {
992	<	public void realCompute() {
992	>	protected void realCompute() {
993		AsyncFib g = new AsyncFib(9);
994		assertSame(g, g.fork());
995		AsyncFib f = new AsyncFib(8);
996		assertSame(f, f.fork());
997		assertSame(f, peekNextLocalTask());
998		assertNull(f.join());
999	<	assertTrue(f.isDone());
999	>	checkCompletedNormally(f);
1000		helpQuiesce();
1001	+	checkCompletedNormally(g);
1002		}};
1003		testInvokeOnPool(singletonPool(), a);
1004		}
1005
1006		/**
1007	<	* pollNextLocalTask returns most recent unexecuted task
1008	<	* without executing it
1007	>	* pollNextLocalTask returns most recent unexecuted task without
1008	>	* executing it
1009		*/
1010		public void testPollNextLocalTask() {
1011		RecursiveAction a = new CheckedRecursiveAction() {
1012	<	public void realCompute() {
1012	>	protected void realCompute() {
1013		AsyncFib g = new AsyncFib(9);
1014		assertSame(g, g.fork());
1015		AsyncFib f = new AsyncFib(8);
1016		assertSame(f, f.fork());
1017		assertSame(f, pollNextLocalTask());
1018		helpQuiesce();
1019	<	assertFalse(f.isDone());
1019	>	checkNotDone(f);
1020	>	assertEquals(34, g.number);
1021	>	checkCompletedNormally(g);
1022		}};
1023		testInvokeOnPool(singletonPool(), a);
1024		}
1025
1026		/**
1027	<	* pollTask returns an unexecuted task
896	<	* without executing it
1027	>	* pollTask returns an unexecuted task without executing it
1028		*/
1029		public void testPollTask() {
1030		RecursiveAction a = new CheckedRecursiveAction() {
1031	<	public void realCompute() {
1031	>	protected void realCompute() {
1032		AsyncFib g = new AsyncFib(9);
1033		assertSame(g, g.fork());
1034		AsyncFib f = new AsyncFib(8);
1035		assertSame(f, f.fork());
1036		assertSame(f, pollTask());
1037		helpQuiesce();
1038	<	assertFalse(f.isDone());
1039	<	assertTrue(g.isDone());
1038	>	checkNotDone(f);
1039	>	checkCompletedNormally(g);
1040		}};
1041		testInvokeOnPool(singletonPool(), a);
1042		}
#	Line 915 | Line 1046 | public class ForkJoinTaskTest extends JS
1046		*/
1047		public void testPeekNextLocalTaskAsync() {
1048		RecursiveAction a = new CheckedRecursiveAction() {
1049	<	public void realCompute() {
1049	>	protected void realCompute() {
1050		AsyncFib g = new AsyncFib(9);
1051		assertSame(g, g.fork());
1052		AsyncFib f = new AsyncFib(8);
#	Line 923 | Line 1054 | public class ForkJoinTaskTest extends JS
1054		assertSame(g, peekNextLocalTask());
1055		assertNull(f.join());
1056		helpQuiesce();
1057	<	assertTrue(f.isDone());
1057	>	checkCompletedNormally(f);
1058	>	assertEquals(34, g.number);
1059	>	checkCompletedNormally(g);
1060		}};
1061		testInvokeOnPool(asyncSingletonPool(), a);
1062		}
1063
1064		/**
1065	<	* pollNextLocalTask returns least recent unexecuted task
1066	<	* without executing it, in async mode
1065	>	* pollNextLocalTask returns least recent unexecuted task without
1066	>	* executing it, in async mode
1067		*/
1068		public void testPollNextLocalTaskAsync() {
1069		RecursiveAction a = new CheckedRecursiveAction() {
1070	<	public void realCompute() {
1070	>	protected void realCompute() {
1071		AsyncFib g = new AsyncFib(9);
1072		assertSame(g, g.fork());
1073		AsyncFib f = new AsyncFib(8);
1074		assertSame(f, f.fork());
1075		assertSame(g, pollNextLocalTask());
1076		helpQuiesce();
1077	<	assertTrue(f.isDone());
1078	<	assertFalse(g.isDone());
1077	>	assertEquals(21, f.number);
1078	>	checkCompletedNormally(f);
1079	>	checkNotDone(g);
1080		}};
1081		testInvokeOnPool(asyncSingletonPool(), a);
1082		}
1083
1084		/**
1085	<	* pollTask returns an unexecuted task
1086	<	* without executing it, in async mode
1085	>	* pollTask returns an unexecuted task without executing it, in
1086	>	* async mode
1087		*/
1088		public void testPollTaskAsync() {
1089		RecursiveAction a = new CheckedRecursiveAction() {
1090	<	public void realCompute() {
1090	>	protected void realCompute() {
1091		AsyncFib g = new AsyncFib(9);
1092		assertSame(g, g.fork());
1093		AsyncFib f = new AsyncFib(8);
1094		assertSame(f, f.fork());
1095		assertSame(g, pollTask());
1096		helpQuiesce();
1097	<	assertTrue(f.isDone());
1098	<	assertFalse(g.isDone());
1097	>	assertEquals(21, f.number);
1098	>	checkCompletedNormally(f);
1099	>	checkNotDone(g);
1100		}};
1101		testInvokeOnPool(asyncSingletonPool(), a);
1102		}
1103	+
1104	+	// versions for singleton pools
1105	+
1106	+	/**
1107	+	* invoke returns when task completes normally.
1108	+	* isCompletedAbnormally and isCancelled return false for normally
1109	+	* completed tasks; getRawResult returns null.
1110	+	*/
1111	+	public void testInvokeSingleton() {
1112	+	RecursiveAction a = new CheckedRecursiveAction() {
1113	+	protected void realCompute() {
1114	+	AsyncFib f = new AsyncFib(8);
1115	+	assertNull(f.invoke());
1116	+	assertEquals(21, f.number);
1117	+	checkCompletedNormally(f);
1118	+	}};
1119	+	testInvokeOnPool(singletonPool(), a);
1120	+	}
1121	+
1122	+	/**
1123	+	* quietlyInvoke task returns when task completes normally.
1124	+	* isCompletedAbnormally and isCancelled return false for normally
1125	+	* completed tasks
1126	+	*/
1127	+	public void testQuietlyInvokeSingleton() {
1128	+	RecursiveAction a = new CheckedRecursiveAction() {
1129	+	protected void realCompute() {
1130	+	AsyncFib f = new AsyncFib(8);
1131	+	f.quietlyInvoke();
1132	+	assertEquals(21, f.number);
1133	+	checkCompletedNormally(f);
1134	+	}};
1135	+	testInvokeOnPool(singletonPool(), a);
1136	+	}
1137	+
1138	+	/**
1139	+	* join of a forked task returns when task completes
1140	+	*/
1141	+	public void testForkJoinSingleton() {
1142	+	RecursiveAction a = new CheckedRecursiveAction() {
1143	+	protected void realCompute() {
1144	+	AsyncFib f = new AsyncFib(8);
1145	+	assertSame(f, f.fork());
1146	+	assertNull(f.join());
1147	+	assertEquals(21, f.number);
1148	+	checkCompletedNormally(f);
1149	+	}};
1150	+	testInvokeOnPool(singletonPool(), a);
1151	+	}
1152	+
1153	+	/**
1154	+	* get of a forked task returns when task completes
1155	+	*/
1156	+	public void testForkGetSingleton() {
1157	+	RecursiveAction a = new CheckedRecursiveAction() {
1158	+	protected void realCompute() throws Exception {
1159	+	AsyncFib f = new AsyncFib(8);
1160	+	assertSame(f, f.fork());
1161	+	assertNull(f.get());
1162	+	assertEquals(21, f.number);
1163	+	checkCompletedNormally(f);
1164	+	}};
1165	+	testInvokeOnPool(singletonPool(), a);
1166	+	}
1167	+
1168	+	/**
1169	+	* timed get of a forked task returns when task completes
1170	+	*/
1171	+	public void testForkTimedGetSingleton() {
1172	+	RecursiveAction a = new CheckedRecursiveAction() {
1173	+	protected void realCompute() throws Exception {
1174	+	AsyncFib f = new AsyncFib(8);
1175	+	assertSame(f, f.fork());
1176	+	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1177	+	assertEquals(21, f.number);
1178	+	checkCompletedNormally(f);
1179	+	}};
1180	+	testInvokeOnPool(singletonPool(), a);
1181	+	}
1182	+
1183	+	/**
1184	+	* timed get with null time unit throws NPE
1185	+	*/
1186	+	public void testForkTimedGetNPESingleton() {
1187	+	RecursiveAction a = new CheckedRecursiveAction() {
1188	+	protected void realCompute() throws Exception {
1189	+	AsyncFib f = new AsyncFib(8);
1190	+	assertSame(f, f.fork());
1191	+	try {
1192	+	f.get(5L, null);
1193	+	shouldThrow();
1194	+	} catch (NullPointerException success) {}
1195	+	}};
1196	+	testInvokeOnPool(singletonPool(), a);
1197	+	}
1198	+
1199	+	/**
1200	+	* quietlyJoin of a forked task returns when task completes
1201	+	*/
1202	+	public void testForkQuietlyJoinSingleton() {
1203	+	RecursiveAction a = new CheckedRecursiveAction() {
1204	+	protected void realCompute() {
1205	+	AsyncFib f = new AsyncFib(8);
1206	+	assertSame(f, f.fork());
1207	+	f.quietlyJoin();
1208	+	assertEquals(21, f.number);
1209	+	checkCompletedNormally(f);
1210	+	}};
1211	+	testInvokeOnPool(singletonPool(), a);
1212	+	}
1213	+
1214	+	/**
1215	+	* helpQuiesce returns when tasks are complete.
1216	+	* getQueuedTaskCount returns 0 when quiescent
1217	+	*/
1218	+	public void testForkHelpQuiesceSingleton() {
1219	+	RecursiveAction a = new CheckedRecursiveAction() {
1220	+	protected void realCompute() {
1221	+	AsyncFib f = new AsyncFib(8);
1222	+	assertSame(f, f.fork());
1223	+	helpQuiesce();
1224	+	assertEquals(0, getQueuedTaskCount());
1225	+	assertEquals(21, f.number);
1226	+	checkCompletedNormally(f);
1227	+	}};
1228	+	testInvokeOnPool(singletonPool(), a);
1229	+	}
1230	+
1231	+	/**
1232	+	* invoke task throws exception when task completes abnormally
1233	+	*/
1234	+	public void testAbnormalInvokeSingleton() {
1235	+	RecursiveAction a = new CheckedRecursiveAction() {
1236	+	protected void realCompute() {
1237	+	FailingAsyncFib f = new FailingAsyncFib(8);
1238	+	try {
1239	+	f.invoke();
1240	+	shouldThrow();
1241	+	} catch (FJException success) {
1242	+	checkCompletedAbnormally(f, success);
1243	+	}
1244	+	}};
1245	+	testInvokeOnPool(singletonPool(), a);
1246	+	}
1247	+
1248	+	/**
1249	+	* quietlyInvoke task returns when task completes abnormally
1250	+	*/
1251	+	public void testAbnormalQuietlyInvokeSingleton() {
1252	+	RecursiveAction a = new CheckedRecursiveAction() {
1253	+	protected void realCompute() {
1254	+	FailingAsyncFib f = new FailingAsyncFib(8);
1255	+	f.quietlyInvoke();
1256	+	assertTrue(f.getException() instanceof FJException);
1257	+	checkCompletedAbnormally(f, f.getException());
1258	+	}};
1259	+	testInvokeOnPool(singletonPool(), a);
1260	+	}
1261	+
1262	+	/**
1263	+	* join of a forked task throws exception when task completes abnormally
1264	+	*/
1265	+	public void testAbnormalForkJoinSingleton() {
1266	+	RecursiveAction a = new CheckedRecursiveAction() {
1267	+	protected void realCompute() {
1268	+	FailingAsyncFib f = new FailingAsyncFib(8);
1269	+	assertSame(f, f.fork());
1270	+	try {
1271	+	f.join();
1272	+	shouldThrow();
1273	+	} catch (FJException success) {
1274	+	checkCompletedAbnormally(f, success);
1275	+	}
1276	+	}};
1277	+	testInvokeOnPool(singletonPool(), a);
1278	+	}
1279	+
1280	+	/**
1281	+	* get of a forked task throws exception when task completes abnormally
1282	+	*/
1283	+	public void testAbnormalForkGetSingleton() {
1284	+	RecursiveAction a = new CheckedRecursiveAction() {
1285	+	protected void realCompute() throws Exception {
1286	+	FailingAsyncFib f = new FailingAsyncFib(8);
1287	+	assertSame(f, f.fork());
1288	+	try {
1289	+	f.get();
1290	+	shouldThrow();
1291	+	} catch (ExecutionException success) {
1292	+	Throwable cause = success.getCause();
1293	+	assertTrue(cause instanceof FJException);
1294	+	checkCompletedAbnormally(f, cause);
1295	+	}
1296	+	}};
1297	+	testInvokeOnPool(singletonPool(), a);
1298	+	}
1299	+
1300	+	/**
1301	+	* timed get of a forked task throws exception when task completes abnormally
1302	+	*/
1303	+	public void testAbnormalForkTimedGetSingleton() {
1304	+	RecursiveAction a = new CheckedRecursiveAction() {
1305	+	protected void realCompute() throws Exception {
1306	+	FailingAsyncFib f = new FailingAsyncFib(8);
1307	+	assertSame(f, f.fork());
1308	+	try {
1309	+	f.get(LONG_DELAY_MS, MILLISECONDS);
1310	+	shouldThrow();
1311	+	} catch (ExecutionException success) {
1312	+	Throwable cause = success.getCause();
1313	+	assertTrue(cause instanceof FJException);
1314	+	checkCompletedAbnormally(f, cause);
1315	+	}
1316	+	}};
1317	+	testInvokeOnPool(singletonPool(), a);
1318	+	}
1319	+
1320	+	/**
1321	+	* quietlyJoin of a forked task returns when task completes abnormally
1322	+	*/
1323	+	public void testAbnormalForkQuietlyJoinSingleton() {
1324	+	RecursiveAction a = new CheckedRecursiveAction() {
1325	+	protected void realCompute() {
1326	+	FailingAsyncFib f = new FailingAsyncFib(8);
1327	+	assertSame(f, f.fork());
1328	+	f.quietlyJoin();
1329	+	assertTrue(f.getException() instanceof FJException);
1330	+	checkCompletedAbnormally(f, f.getException());
1331	+	}};
1332	+	testInvokeOnPool(singletonPool(), a);
1333	+	}
1334	+
1335	+	/**
1336	+	* invoke task throws exception when task cancelled
1337	+	*/
1338	+	public void testCancelledInvokeSingleton() {
1339	+	RecursiveAction a = new CheckedRecursiveAction() {
1340	+	protected void realCompute() {
1341	+	AsyncFib f = new AsyncFib(8);
1342	+	assertTrue(f.cancel(true));
1343	+	try {
1344	+	f.invoke();
1345	+	shouldThrow();
1346	+	} catch (CancellationException success) {
1347	+	checkCancelled(f);
1348	+	}
1349	+	}};
1350	+	testInvokeOnPool(singletonPool(), a);
1351	+	}
1352	+
1353	+	/**
1354	+	* join of a forked task throws exception when task cancelled
1355	+	*/
1356	+	public void testCancelledForkJoinSingleton() {
1357	+	RecursiveAction a = new CheckedRecursiveAction() {
1358	+	protected void realCompute() {
1359	+	AsyncFib f = new AsyncFib(8);
1360	+	assertTrue(f.cancel(true));
1361	+	assertSame(f, f.fork());
1362	+	try {
1363	+	f.join();
1364	+	shouldThrow();
1365	+	} catch (CancellationException success) {
1366	+	checkCancelled(f);
1367	+	}
1368	+	}};
1369	+	testInvokeOnPool(singletonPool(), a);
1370	+	}
1371	+
1372	+	/**
1373	+	* get of a forked task throws exception when task cancelled
1374	+	*/
1375	+	public void testCancelledForkGetSingleton() {
1376	+	RecursiveAction a = new CheckedRecursiveAction() {
1377	+	protected void realCompute() throws Exception {
1378	+	AsyncFib f = new AsyncFib(8);
1379	+	assertTrue(f.cancel(true));
1380	+	assertSame(f, f.fork());
1381	+	try {
1382	+	f.get();
1383	+	shouldThrow();
1384	+	} catch (CancellationException success) {
1385	+	checkCancelled(f);
1386	+	}
1387	+	}};
1388	+	testInvokeOnPool(singletonPool(), a);
1389	+	}
1390	+
1391	+	/**
1392	+	* timed get of a forked task throws exception when task cancelled
1393	+	*/
1394	+	public void testCancelledForkTimedGetSingleton() throws Exception {
1395	+	RecursiveAction a = new CheckedRecursiveAction() {
1396	+	protected void realCompute() throws Exception {
1397	+	AsyncFib f = new AsyncFib(8);
1398	+	assertTrue(f.cancel(true));
1399	+	assertSame(f, f.fork());
1400	+	try {
1401	+	f.get(LONG_DELAY_MS, MILLISECONDS);
1402	+	shouldThrow();
1403	+	} catch (CancellationException success) {
1404	+	checkCancelled(f);
1405	+	}
1406	+	}};
1407	+	testInvokeOnPool(singletonPool(), a);
1408	+	}
1409	+
1410	+	/**
1411	+	* quietlyJoin of a forked task returns when task cancelled
1412	+	*/
1413	+	public void testCancelledForkQuietlyJoinSingleton() {
1414	+	RecursiveAction a = new CheckedRecursiveAction() {
1415	+	protected void realCompute() {
1416	+	AsyncFib f = new AsyncFib(8);
1417	+	assertTrue(f.cancel(true));
1418	+	assertSame(f, f.fork());
1419	+	f.quietlyJoin();
1420	+	checkCancelled(f);
1421	+	}};
1422	+	testInvokeOnPool(singletonPool(), a);
1423	+	}
1424	+
1425	+	/**
1426	+	* invoke task throws exception after invoking completeExceptionally
1427	+	*/
1428	+	public void testCompleteExceptionallySingleton() {
1429	+	RecursiveAction a = new CheckedRecursiveAction() {
1430	+	protected void realCompute() {
1431	+	AsyncFib f = new AsyncFib(8);
1432	+	f.completeExceptionally(new FJException());
1433	+	try {
1434	+	f.invoke();
1435	+	shouldThrow();
1436	+	} catch (FJException success) {
1437	+	checkCompletedAbnormally(f, success);
1438	+	}
1439	+	}};
1440	+	testInvokeOnPool(singletonPool(), a);
1441	+	}
1442	+
1443	+	/**
1444	+	* invokeAll(t1, t2) invokes all task arguments
1445	+	*/
1446	+	public void testInvokeAll2Singleton() {
1447	+	RecursiveAction a = new CheckedRecursiveAction() {
1448	+	protected void realCompute() {
1449	+	AsyncFib f = new AsyncFib(8);
1450	+	AsyncFib g = new AsyncFib(9);
1451	+	invokeAll(f, g);
1452	+	assertEquals(21, f.number);
1453	+	assertEquals(34, g.number);
1454	+	checkCompletedNormally(f);
1455	+	checkCompletedNormally(g);
1456	+	}};
1457	+	testInvokeOnPool(singletonPool(), a);
1458	+	}
1459	+
1460	+	/**
1461	+	* invokeAll(tasks) with 1 argument invokes task
1462	+	*/
1463	+	public void testInvokeAll1Singleton() {
1464	+	RecursiveAction a = new CheckedRecursiveAction() {
1465	+	protected void realCompute() {
1466	+	AsyncFib f = new AsyncFib(8);
1467	+	invokeAll(f);
1468	+	checkCompletedNormally(f);
1469	+	assertEquals(21, f.number);
1470	+	}};
1471	+	testInvokeOnPool(singletonPool(), a);
1472	+	}
1473	+
1474	+	/**
1475	+	* invokeAll(tasks) with > 2 argument invokes tasks
1476	+	*/
1477	+	public void testInvokeAll3Singleton() {
1478	+	RecursiveAction a = new CheckedRecursiveAction() {
1479	+	protected void realCompute() {
1480	+	AsyncFib f = new AsyncFib(8);
1481	+	AsyncFib g = new AsyncFib(9);
1482	+	AsyncFib h = new AsyncFib(7);
1483	+	invokeAll(f, g, h);
1484	+	assertEquals(21, f.number);
1485	+	assertEquals(34, g.number);
1486	+	assertEquals(13, h.number);
1487	+	checkCompletedNormally(f);
1488	+	checkCompletedNormally(g);
1489	+	checkCompletedNormally(h);
1490	+	}};
1491	+	testInvokeOnPool(singletonPool(), a);
1492	+	}
1493	+
1494	+	/**
1495	+	* invokeAll(collection) invokes all tasks in the collection
1496	+	*/
1497	+	public void testInvokeAllCollectionSingleton() {
1498	+	RecursiveAction a = new CheckedRecursiveAction() {
1499	+	protected void realCompute() {
1500	+	AsyncFib f = new AsyncFib(8);
1501	+	AsyncFib g = new AsyncFib(9);
1502	+	AsyncFib h = new AsyncFib(7);
1503	+	HashSet set = new HashSet();
1504	+	set.add(f);
1505	+	set.add(g);
1506	+	set.add(h);
1507	+	invokeAll(set);
1508	+	assertEquals(21, f.number);
1509	+	assertEquals(34, g.number);
1510	+	assertEquals(13, h.number);
1511	+	checkCompletedNormally(f);
1512	+	checkCompletedNormally(g);
1513	+	checkCompletedNormally(h);
1514	+	}};
1515	+	testInvokeOnPool(singletonPool(), a);
1516	+	}
1517	+
1518	+	/**
1519	+	* invokeAll(tasks) with any null task throws NPE
1520	+	*/
1521	+	public void testInvokeAllNPESingleton() {
1522	+	RecursiveAction a = new CheckedRecursiveAction() {
1523	+	protected void realCompute() {
1524	+	AsyncFib f = new AsyncFib(8);
1525	+	AsyncFib g = new AsyncFib(9);
1526	+	AsyncFib h = null;
1527	+	try {
1528	+	invokeAll(f, g, h);
1529	+	shouldThrow();
1530	+	} catch (NullPointerException success) {}
1531	+	}};
1532	+	testInvokeOnPool(singletonPool(), a);
1533	+	}
1534	+
1535	+	/**
1536	+	* invokeAll(t1, t2) throw exception if any task does
1537	+	*/
1538	+	public void testAbnormalInvokeAll2Singleton() {
1539	+	RecursiveAction a = new CheckedRecursiveAction() {
1540	+	protected void realCompute() {
1541	+	AsyncFib f = new AsyncFib(8);
1542	+	FailingAsyncFib g = new FailingAsyncFib(9);
1543	+	try {
1544	+	invokeAll(f, g);
1545	+	shouldThrow();
1546	+	} catch (FJException success) {
1547	+	checkCompletedAbnormally(g, success);
1548	+	}
1549	+	}};
1550	+	testInvokeOnPool(singletonPool(), a);
1551	+	}
1552	+
1553	+	/**
1554	+	* invokeAll(tasks) with 1 argument throws exception if task does
1555	+	*/
1556	+	public void testAbnormalInvokeAll1Singleton() {
1557	+	RecursiveAction a = new CheckedRecursiveAction() {
1558	+	protected void realCompute() {
1559	+	FailingAsyncFib g = new FailingAsyncFib(9);
1560	+	try {
1561	+	invokeAll(g);
1562	+	shouldThrow();
1563	+	} catch (FJException success) {
1564	+	checkCompletedAbnormally(g, success);
1565	+	}
1566	+	}};
1567	+	testInvokeOnPool(singletonPool(), a);
1568	+	}
1569	+
1570	+	/**
1571	+	* invokeAll(tasks) with > 2 argument throws exception if any task does
1572	+	*/
1573	+	public void testAbnormalInvokeAll3Singleton() {
1574	+	RecursiveAction a = new CheckedRecursiveAction() {
1575	+	protected void realCompute() {
1576	+	AsyncFib f = new AsyncFib(8);
1577	+	FailingAsyncFib g = new FailingAsyncFib(9);
1578	+	AsyncFib h = new AsyncFib(7);
1579	+	try {
1580	+	invokeAll(f, g, h);
1581	+	shouldThrow();
1582	+	} catch (FJException success) {
1583	+	checkCompletedAbnormally(g, success);
1584	+	}
1585	+	}};
1586	+	testInvokeOnPool(singletonPool(), a);
1587	+	}
1588	+
1589	+	/**
1590	+	* invokeAll(collection) throws exception if any task does
1591	+	*/
1592	+	public void testAbnormalInvokeAllCollectionSingleton() {
1593	+	RecursiveAction a = new CheckedRecursiveAction() {
1594	+	protected void realCompute() {
1595	+	FailingAsyncFib f = new FailingAsyncFib(8);
1596	+	AsyncFib g = new AsyncFib(9);
1597	+	AsyncFib h = new AsyncFib(7);
1598	+	HashSet set = new HashSet();
1599	+	set.add(f);
1600	+	set.add(g);
1601	+	set.add(h);
1602	+	try {
1603	+	invokeAll(set);
1604	+	shouldThrow();
1605	+	} catch (FJException success) {
1606	+	checkCompletedAbnormally(f, success);
1607	+	}
1608	+	}};
1609	+	testInvokeOnPool(singletonPool(), a);
1610	+	}
1611	+
1612	+	/**
1613	+	* ForkJoinTask.quietlyComplete returns when task completes
1614	+	* normally without setting a value. The most recent value
1615	+	* established by setRawResult(V) (or null by default) is returned
1616	+	* from invoke.
1617	+	*/
1618	+	public void testQuietlyComplete() {
1619	+	RecursiveAction a = new CheckedRecursiveAction() {
1620	+	protected void realCompute() {
1621	+	AsyncFib f = new AsyncFib(8);
1622	+	f.quietlyComplete();
1623	+	assertEquals(8, f.number);
1624	+	checkCompletedNormally(f);
1625	+	}};
1626	+	testInvokeOnPool(mainPool(), a);
1627	+	}
1628	+
1629		}

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