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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.31 by jsr166, Tue Mar 15 19:47:06 2011 UTC vs.
Revision 1.52 by jsr166, Mon May 29 19:15:02 2017 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	<	import java.util.concurrent.ExecutionException;
6	>
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>
9	>	import java.util.Arrays;
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;
12	–	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 static java.util.concurrent.TimeUnit.SECONDS;
20	<	import java.util.HashSet;
18	<	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() {
#	Line 46 | Line 48 | public class ForkJoinTaskTest extends JS
48		}
49
50		private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
51	<	try {
51	>	try (PoolCleaner cleaner = cleaner(pool)) {
52		assertFalse(a.isDone());
53		assertFalse(a.isCompletedNormally());
54		assertFalse(a.isCompletedAbnormally());
#	Line 62 | Line 64 | public class ForkJoinTaskTest extends JS
64		assertFalse(a.isCancelled());
65		assertNull(a.getException());
66		assertNull(a.getRawResult());
65	–	} finally {
66	–	joinPool(pool);
67		}
68		}
69
#	Line 76 | Line 76 | public class ForkJoinTaskTest extends JS
76		assertNull(a.getRawResult());
77
78		try {
79	<	a.get(0L, SECONDS);
79	>	a.get(randomExpiredTimeout(), randomTimeUnit());
80		shouldThrow();
81		} catch (TimeoutException success) {
82		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 96 | Line 96 | public class ForkJoinTaskTest extends JS
96
97		{
98		Thread.currentThread().interrupt();
99	<	long t0 = System.nanoTime();
99	>	long startTime = System.nanoTime();
100		assertSame(expected, a.join());
101	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
101	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
102		Thread.interrupted();
103		}
104
105		{
106		Thread.currentThread().interrupt();
107	<	long t0 = System.nanoTime();
107	>	long startTime = System.nanoTime();
108		a.quietlyJoin();        // should be no-op
109	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
109	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
110		Thread.interrupted();
111		}
112
#	Line 114 | Line 114 | public class ForkJoinTaskTest extends JS
114		assertFalse(a.cancel(true));
115		try {
116		assertSame(expected, a.get());
117	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
118	<	try {
119	<	assertSame(expected, a.get(5L, SECONDS));
117	>	assertSame(expected, a.get(randomTimeout(), randomTimeUnit()));
118		} catch (Throwable fail) { threadUnexpectedException(fail); }
119		}
120
#	Line 139 | Line 137 | public class ForkJoinTaskTest extends JS
137		Thread.interrupted();
138
139		{
140	<	long t0 = System.nanoTime();
140	>	long startTime = System.nanoTime();
141		a.quietlyJoin();        // should be no-op
142	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
142	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
143		}
144
145		try {
#	Line 151 | Line 149 | public class ForkJoinTaskTest extends JS
149		} catch (Throwable fail) { threadUnexpectedException(fail); }
150
151		try {
152	<	a.get(5L, SECONDS);
152	>	a.get(randomTimeout(), randomTimeUnit());
153		shouldThrow();
154		} catch (CancellationException success) {
155		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 177 | Line 175 | public class ForkJoinTaskTest extends JS
175		Thread.interrupted();
176
177		{
178	<	long t0 = System.nanoTime();
178	>	long startTime = System.nanoTime();
179		a.quietlyJoin();        // should be no-op
180	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
180	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
181		}
182
183		try {
#	Line 190 | Line 188 | public class ForkJoinTaskTest extends JS
188		} catch (Throwable fail) { threadUnexpectedException(fail); }
189
190		try {
191	<	a.get(5L, SECONDS);
191	>	a.get(randomTimeout(), randomTimeUnit());
192		shouldThrow();
193		} catch (ExecutionException success) {
194		assertSame(t.getClass(), success.getCause().getClass());
#	Line 216 | Line 214 | public class ForkJoinTaskTest extends JS
214		AtomicIntegerFieldUpdater.newUpdater(BinaryAsyncAction.class,
215		"controlState");
216
217	<	private BinaryAsyncAction parent;
217	>	private volatile BinaryAsyncAction parent;
218
219	<	private BinaryAsyncAction sibling;
219	>	private volatile BinaryAsyncAction sibling;
220
221		protected BinaryAsyncAction() {
222		}
#	Line 253 | Line 251 | public class ForkJoinTaskTest extends JS
251		super.completeExceptionally(ex);
252		}
253
254	+	public boolean cancel(boolean mayInterruptIfRunning) {
255	+	if (super.cancel(mayInterruptIfRunning)) {
256	+	completeExceptionally(new FJException());
257	+	return true;
258	+	}
259	+	return false;
260	+	}
261	+
262		public final void complete() {
263		BinaryAsyncAction a = this;
264		for (;;) {
#	Line 274 | Line 280 | public class ForkJoinTaskTest extends JS
280		}
281
282		public final void completeExceptionally(Throwable ex) {
283	<	BinaryAsyncAction a = this;
278	<	while (!a.isCompletedAbnormally()) {
283	>	for (BinaryAsyncAction a = this;;) {
284		a.completeThisExceptionally(ex);
285		BinaryAsyncAction s = a.sibling;
286	<	if (s != null)
287	<	s.cancel(false);
288	<	if (!a.onException() || (a = a.parent) == null)
286	>	if (s != null && !s.isDone())
287	>	s.completeExceptionally(ex);
288	>	if ((a = a.parent) == null)
289		break;
290		}
291		}
#	Line 330 | Line 335 | public class ForkJoinTaskTest extends JS
335		public final boolean exec() {
336		AsyncFib f = this;
337		int n = f.number;
338	<	if (n > 1) {
339	<	while (n > 1) {
340	<	AsyncFib p = f;
341	<	AsyncFib r = new AsyncFib(n - 2);
342	<	f = new AsyncFib(--n);
343	<	p.linkSubtasks(r, f);
339	<	r.fork();
340	<	}
341	<	f.number = n;
338	>	while (n > 1) {
339	>	AsyncFib p = f;
340	>	AsyncFib r = new AsyncFib(n - 2);
341	>	f = new AsyncFib(--n);
342	>	p.linkSubtasks(r, f);
343	>	r.fork();
344		}
345		f.complete();
346		return false;
#	Line 349 | Line 351 | public class ForkJoinTaskTest extends JS
351		}
352		}
353
352	–
354		static final class FailingAsyncFib extends BinaryAsyncAction {
355		int number;
356		public FailingAsyncFib(int n) {
#	Line 359 | Line 360 | public class ForkJoinTaskTest extends JS
360		public final boolean exec() {
361		FailingAsyncFib f = this;
362		int n = f.number;
363	<	if (n > 1) {
364	<	while (n > 1) {
365	<	FailingAsyncFib p = f;
366	<	FailingAsyncFib r = new FailingAsyncFib(n - 2);
367	<	f = new FailingAsyncFib(--n);
368	<	p.linkSubtasks(r, f);
368	<	r.fork();
369	<	}
370	<	f.number = n;
363	>	while (n > 1) {
364	>	FailingAsyncFib p = f;
365	>	FailingAsyncFib r = new FailingAsyncFib(n - 2);
366	>	f = new FailingAsyncFib(--n);
367	>	p.linkSubtasks(r, f);
368	>	r.fork();
369		}
370		f.complete();
371		return false;
#	Line 385 | Line 383 | public class ForkJoinTaskTest extends JS
383		*/
384		public void testInvoke() {
385		RecursiveAction a = new CheckedRecursiveAction() {
386	<	public void realCompute() {
386	>	protected void realCompute() {
387		AsyncFib f = new AsyncFib(8);
388		assertNull(f.invoke());
389		assertEquals(21, f.number);
#	Line 401 | Line 399 | public class ForkJoinTaskTest extends JS
399		*/
400		public void testQuietlyInvoke() {
401		RecursiveAction a = new CheckedRecursiveAction() {
402	<	public void realCompute() {
402	>	protected void realCompute() {
403		AsyncFib f = new AsyncFib(8);
404		f.quietlyInvoke();
405		assertEquals(21, f.number);
#	Line 415 | Line 413 | public class ForkJoinTaskTest extends JS
413		*/
414		public void testForkJoin() {
415		RecursiveAction a = new CheckedRecursiveAction() {
416	<	public void realCompute() {
416	>	protected void realCompute() {
417		AsyncFib f = new AsyncFib(8);
418		assertSame(f, f.fork());
419		assertNull(f.join());
#	Line 430 | Line 428 | public class ForkJoinTaskTest extends JS
428		*/
429		public void testForkGet() {
430		RecursiveAction a = new CheckedRecursiveAction() {
431	<	public void realCompute() throws Exception {
431	>	protected void realCompute() throws Exception {
432		AsyncFib f = new AsyncFib(8);
433		assertSame(f, f.fork());
434		assertNull(f.get());
#	Line 445 | Line 443 | public class ForkJoinTaskTest extends JS
443		*/
444		public void testForkTimedGet() {
445		RecursiveAction a = new CheckedRecursiveAction() {
446	<	public void realCompute() throws Exception {
446	>	protected void realCompute() throws Exception {
447		AsyncFib f = new AsyncFib(8);
448		assertSame(f, f.fork());
449		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
#	Line 460 | Line 458 | public class ForkJoinTaskTest extends JS
458		*/
459		public void testForkTimedGetNPE() {
460		RecursiveAction a = new CheckedRecursiveAction() {
461	<	public void realCompute() throws Exception {
461	>	protected void realCompute() throws Exception {
462		AsyncFib f = new AsyncFib(8);
463		assertSame(f, f.fork());
464		try {
465	<	f.get(5L, null);
465	>	f.get(randomTimeout(), null);
466		shouldThrow();
467		} catch (NullPointerException success) {}
468		}};
#	Line 476 | Line 474 | public class ForkJoinTaskTest extends JS
474		*/
475		public void testForkQuietlyJoin() {
476		RecursiveAction a = new CheckedRecursiveAction() {
477	<	public void realCompute() {
477	>	protected void realCompute() {
478		AsyncFib f = new AsyncFib(8);
479		assertSame(f, f.fork());
480		f.quietlyJoin();
#	Line 486 | Line 484 | public class ForkJoinTaskTest extends JS
484		testInvokeOnPool(mainPool(), a);
485		}
486
489	–
487		/**
488		* helpQuiesce returns when tasks are complete.
489		* getQueuedTaskCount returns 0 when quiescent
490		*/
491		public void testForkHelpQuiesce() {
492		RecursiveAction a = new CheckedRecursiveAction() {
493	<	public void realCompute() {
493	>	protected void realCompute() {
494		AsyncFib f = new AsyncFib(8);
495		assertSame(f, f.fork());
496	<	f.helpQuiesce();
496	>	helpQuiesce();
497		assertEquals(21, f.number);
498		assertEquals(0, getQueuedTaskCount());
499		checkCompletedNormally(f);
#	Line 504 | Line 501 | public class ForkJoinTaskTest extends JS
501		testInvokeOnPool(mainPool(), a);
502		}
503
507	–
504		/**
505		* invoke task throws exception when task completes abnormally
506		*/
507		public void testAbnormalInvoke() {
508		RecursiveAction a = new CheckedRecursiveAction() {
509	<	public void realCompute() {
509	>	protected void realCompute() {
510		FailingAsyncFib f = new FailingAsyncFib(8);
511		try {
512		f.invoke();
#	Line 527 | Line 523 | public class ForkJoinTaskTest extends JS
523		*/
524		public void testAbnormalQuietlyInvoke() {
525		RecursiveAction a = new CheckedRecursiveAction() {
526	<	public void realCompute() {
526	>	protected void realCompute() {
527		FailingAsyncFib f = new FailingAsyncFib(8);
528		f.quietlyInvoke();
529		assertTrue(f.getException() instanceof FJException);
#	Line 541 | Line 537 | public class ForkJoinTaskTest extends JS
537		*/
538		public void testAbnormalForkJoin() {
539		RecursiveAction a = new CheckedRecursiveAction() {
540	<	public void realCompute() {
540	>	protected void realCompute() {
541		FailingAsyncFib f = new FailingAsyncFib(8);
542		assertSame(f, f.fork());
543		try {
#	Line 559 | Line 555 | public class ForkJoinTaskTest extends JS
555		*/
556		public void testAbnormalForkGet() {
557		RecursiveAction a = new CheckedRecursiveAction() {
558	<	public void realCompute() throws Exception {
558	>	protected void realCompute() throws Exception {
559		FailingAsyncFib f = new FailingAsyncFib(8);
560		assertSame(f, f.fork());
561		try {
#	Line 579 | Line 575 | public class ForkJoinTaskTest extends JS
575		*/
576		public void testAbnormalForkTimedGet() {
577		RecursiveAction a = new CheckedRecursiveAction() {
578	<	public void realCompute() throws Exception {
578	>	protected void realCompute() throws Exception {
579		FailingAsyncFib f = new FailingAsyncFib(8);
580		assertSame(f, f.fork());
581		try {
#	Line 599 | Line 595 | public class ForkJoinTaskTest extends JS
595		*/
596		public void testAbnormalForkQuietlyJoin() {
597		RecursiveAction a = new CheckedRecursiveAction() {
598	<	public void realCompute() {
598	>	protected void realCompute() {
599		FailingAsyncFib f = new FailingAsyncFib(8);
600		assertSame(f, f.fork());
601		f.quietlyJoin();
#	Line 614 | Line 610 | public class ForkJoinTaskTest extends JS
610		*/
611		public void testCancelledInvoke() {
612		RecursiveAction a = new CheckedRecursiveAction() {
613	<	public void realCompute() {
613	>	protected void realCompute() {
614		AsyncFib f = new AsyncFib(8);
615		assertTrue(f.cancel(true));
616		try {
#	Line 632 | Line 628 | public class ForkJoinTaskTest extends JS
628		*/
629		public void testCancelledForkJoin() {
630		RecursiveAction a = new CheckedRecursiveAction() {
631	<	public void realCompute() {
631	>	protected void realCompute() {
632		AsyncFib f = new AsyncFib(8);
633		assertTrue(f.cancel(true));
634		assertSame(f, f.fork());
#	Line 651 | Line 647 | public class ForkJoinTaskTest extends JS
647		*/
648		public void testCancelledForkGet() {
649		RecursiveAction a = new CheckedRecursiveAction() {
650	<	public void realCompute() throws Exception {
650	>	protected void realCompute() throws Exception {
651		AsyncFib f = new AsyncFib(8);
652		assertTrue(f.cancel(true));
653		assertSame(f, f.fork());
#	Line 670 | Line 666 | public class ForkJoinTaskTest extends JS
666		*/
667		public void testCancelledForkTimedGet() throws Exception {
668		RecursiveAction a = new CheckedRecursiveAction() {
669	<	public void realCompute() throws Exception {
669	>	protected void realCompute() throws Exception {
670		AsyncFib f = new AsyncFib(8);
671		assertTrue(f.cancel(true));
672		assertSame(f, f.fork());
#	Line 689 | Line 685 | public class ForkJoinTaskTest extends JS
685		*/
686		public void testCancelledForkQuietlyJoin() {
687		RecursiveAction a = new CheckedRecursiveAction() {
688	<	public void realCompute() {
688	>	protected void realCompute() {
689		AsyncFib f = new AsyncFib(8);
690		assertTrue(f.cancel(true));
691		assertSame(f, f.fork());
#	Line 705 | Line 701 | public class ForkJoinTaskTest extends JS
701		public void testGetPool() {
702		final ForkJoinPool mainPool = mainPool();
703		RecursiveAction a = new CheckedRecursiveAction() {
704	<	public void realCompute() {
704	>	protected void realCompute() {
705		assertSame(mainPool, getPool());
706		}};
707		testInvokeOnPool(mainPool, a);
#	Line 716 | Line 712 | public class ForkJoinTaskTest extends JS
712		*/
713		public void testGetPool2() {
714		RecursiveAction a = new CheckedRecursiveAction() {
715	<	public void realCompute() {
715	>	protected void realCompute() {
716		assertNull(getPool());
717		}};
718		assertNull(a.invoke());
#	Line 727 | Line 723 | public class ForkJoinTaskTest extends JS
723		*/
724		public void testInForkJoinPool() {
725		RecursiveAction a = new CheckedRecursiveAction() {
726	<	public void realCompute() {
726	>	protected void realCompute() {
727		assertTrue(inForkJoinPool());
728		}};
729		testInvokeOnPool(mainPool(), a);
#	Line 738 | Line 734 | public class ForkJoinTaskTest extends JS
734		*/
735		public void testInForkJoinPool2() {
736		RecursiveAction a = new CheckedRecursiveAction() {
737	<	public void realCompute() {
737	>	protected void realCompute() {
738		assertFalse(inForkJoinPool());
739		}};
740		assertNull(a.invoke());
#	Line 749 | Line 745 | public class ForkJoinTaskTest extends JS
745		*/
746		public void testSetRawResult() {
747		RecursiveAction a = new CheckedRecursiveAction() {
748	<	public void realCompute() {
748	>	protected void realCompute() {
749		setRawResult(null);
750		assertNull(getRawResult());
751		}};
#	Line 761 | Line 757 | public class ForkJoinTaskTest extends JS
757		*/
758		public void testCompleteExceptionally() {
759		RecursiveAction a = new CheckedRecursiveAction() {
760	<	public void realCompute() {
760	>	protected void realCompute() {
761		AsyncFib f = new AsyncFib(8);
762		f.completeExceptionally(new FJException());
763		try {
#	Line 775 | Line 771 | public class ForkJoinTaskTest extends JS
771		}
772
773		/**
774	+	* completeExceptionally(null) surprisingly has the same effect as
775	+	* completeExceptionally(new RuntimeException())
776	+	*/
777	+	public void testCompleteExceptionally_null() {
778	+	RecursiveAction a = new CheckedRecursiveAction() {
779	+	protected void realCompute() {
780	+	AsyncFib f = new AsyncFib(8);
781	+	f.completeExceptionally(null);
782	+	try {
783	+	f.invoke();
784	+	shouldThrow();
785	+	} catch (RuntimeException success) {
786	+	assertSame(success.getClass(), RuntimeException.class);
787	+	assertNull(success.getCause());
788	+	checkCompletedAbnormally(f, success);
789	+	}
790	+	}};
791	+	testInvokeOnPool(mainPool(), a);
792	+	}
793	+
794	+	/**
795		* invokeAll(t1, t2) invokes all task arguments
796		*/
797		public void testInvokeAll2() {
798		RecursiveAction a = new CheckedRecursiveAction() {
799	<	public void realCompute() {
799	>	protected void realCompute() {
800		AsyncFib f = new AsyncFib(8);
801		AsyncFib g = new AsyncFib(9);
802		invokeAll(f, g);
#	Line 796 | Line 813 | public class ForkJoinTaskTest extends JS
813		*/
814		public void testInvokeAll1() {
815		RecursiveAction a = new CheckedRecursiveAction() {
816	<	public void realCompute() {
816	>	protected void realCompute() {
817		AsyncFib f = new AsyncFib(8);
818		invokeAll(f);
819		checkCompletedNormally(f);
#	Line 810 | Line 827 | public class ForkJoinTaskTest extends JS
827		*/
828		public void testInvokeAll3() {
829		RecursiveAction a = new CheckedRecursiveAction() {
830	<	public void realCompute() {
830	>	protected void realCompute() {
831		AsyncFib f = new AsyncFib(8);
832		AsyncFib g = new AsyncFib(9);
833		AsyncFib h = new AsyncFib(7);
#	Line 830 | Line 847 | public class ForkJoinTaskTest extends JS
847		*/
848		public void testInvokeAllCollection() {
849		RecursiveAction a = new CheckedRecursiveAction() {
850	<	public void realCompute() {
850	>	protected void realCompute() {
851		AsyncFib f = new AsyncFib(8);
852		AsyncFib g = new AsyncFib(9);
853		AsyncFib h = new AsyncFib(7);
#	Line 849 | Line 866 | public class ForkJoinTaskTest extends JS
866		testInvokeOnPool(mainPool(), a);
867		}
868
852	–
869		/**
870		* invokeAll(tasks) with any null task throws NPE
871		*/
872		public void testInvokeAllNPE() {
873		RecursiveAction a = new CheckedRecursiveAction() {
874	<	public void realCompute() {
874	>	protected void realCompute() {
875		AsyncFib f = new AsyncFib(8);
876		AsyncFib g = new AsyncFib(9);
877		AsyncFib h = null;
#	Line 872 | Line 888 | public class ForkJoinTaskTest extends JS
888		*/
889		public void testAbnormalInvokeAll2() {
890		RecursiveAction a = new CheckedRecursiveAction() {
891	<	public void realCompute() {
891	>	protected void realCompute() {
892		AsyncFib f = new AsyncFib(8);
893		FailingAsyncFib g = new FailingAsyncFib(9);
894	+	ForkJoinTask[] tasks = { f, g };
895	+	shuffle(tasks);
896		try {
897	<	invokeAll(f, g);
897	>	invokeAll(tasks);
898		shouldThrow();
899		} catch (FJException success) {
900		checkCompletedAbnormally(g, success);
#	Line 890 | Line 908 | public class ForkJoinTaskTest extends JS
908		*/
909		public void testAbnormalInvokeAll1() {
910		RecursiveAction a = new CheckedRecursiveAction() {
911	<	public void realCompute() {
911	>	protected void realCompute() {
912		FailingAsyncFib g = new FailingAsyncFib(9);
913		try {
914		invokeAll(g);
#	Line 907 | Line 925 | public class ForkJoinTaskTest extends JS
925		*/
926		public void testAbnormalInvokeAll3() {
927		RecursiveAction a = new CheckedRecursiveAction() {
928	<	public void realCompute() {
928	>	protected void realCompute() {
929		AsyncFib f = new AsyncFib(8);
930		FailingAsyncFib g = new FailingAsyncFib(9);
931		AsyncFib h = new AsyncFib(7);
932	+	ForkJoinTask[] tasks = { f, g, h };
933	+	shuffle(tasks);
934		try {
935	<	invokeAll(f, g, h);
935	>	invokeAll(tasks);
936		shouldThrow();
937		} catch (FJException success) {
938		checkCompletedAbnormally(g, success);
#	Line 922 | Line 942 | public class ForkJoinTaskTest extends JS
942		}
943
944		/**
945	<	* invokeAll(collection)  throws exception if any task does
945	>	* invokeAll(collection) throws exception if any task does
946		*/
947		public void testAbnormalInvokeAllCollection() {
948		RecursiveAction a = new CheckedRecursiveAction() {
949	<	public void realCompute() {
949	>	protected void realCompute() {
950		FailingAsyncFib f = new FailingAsyncFib(8);
951		AsyncFib g = new AsyncFib(9);
952		AsyncFib h = new AsyncFib(7);
953	<	HashSet set = new HashSet();
954	<	set.add(f);
935	<	set.add(g);
936	<	set.add(h);
953	>	ForkJoinTask[] tasks = { f, g, h };
954	>	shuffle(tasks);
955		try {
956	<	invokeAll(set);
956	>	invokeAll(Arrays.asList(tasks));
957		shouldThrow();
958		} catch (FJException success) {
959		checkCompletedAbnormally(f, success);
#	Line 950 | Line 968 | public class ForkJoinTaskTest extends JS
968		*/
969		public void testTryUnfork() {
970		RecursiveAction a = new CheckedRecursiveAction() {
971	<	public void realCompute() {
971	>	protected void realCompute() {
972		AsyncFib g = new AsyncFib(9);
973		assertSame(g, g.fork());
974		AsyncFib f = new AsyncFib(8);
#	Line 969 | Line 987 | public class ForkJoinTaskTest extends JS
987		*/
988		public void testGetSurplusQueuedTaskCount() {
989		RecursiveAction a = new CheckedRecursiveAction() {
990	<	public void realCompute() {
990	>	protected void realCompute() {
991		AsyncFib h = new AsyncFib(7);
992		assertSame(h, h.fork());
993		AsyncFib g = new AsyncFib(9);
#	Line 991 | Line 1009 | public class ForkJoinTaskTest extends JS
1009		*/
1010		public void testPeekNextLocalTask() {
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);
#	Line 1011 | Line 1029 | public class ForkJoinTaskTest extends JS
1029		*/
1030		public void testPollNextLocalTask() {
1031		RecursiveAction a = new CheckedRecursiveAction() {
1032	<	public void realCompute() {
1032	>	protected void realCompute() {
1033		AsyncFib g = new AsyncFib(9);
1034		assertSame(g, g.fork());
1035		AsyncFib f = new AsyncFib(8);
#	Line 1030 | Line 1048 | public class ForkJoinTaskTest extends JS
1048		*/
1049		public void testPollTask() {
1050		RecursiveAction a = new CheckedRecursiveAction() {
1051	<	public void realCompute() {
1051	>	protected void realCompute() {
1052		AsyncFib g = new AsyncFib(9);
1053		assertSame(g, g.fork());
1054		AsyncFib f = new AsyncFib(8);
#	Line 1048 | Line 1066 | public class ForkJoinTaskTest extends JS
1066		*/
1067		public void testPeekNextLocalTaskAsync() {
1068		RecursiveAction a = new CheckedRecursiveAction() {
1069	<	public void realCompute() {
1069	>	protected void realCompute() {
1070		AsyncFib g = new AsyncFib(9);
1071		assertSame(g, g.fork());
1072		AsyncFib f = new AsyncFib(8);
#	Line 1069 | Line 1087 | public class ForkJoinTaskTest extends JS
1087		*/
1088		public void testPollNextLocalTaskAsync() {
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);
#	Line 1089 | Line 1107 | public class ForkJoinTaskTest extends JS
1107		*/
1108		public void testPollTaskAsync() {
1109		RecursiveAction a = new CheckedRecursiveAction() {
1110	<	public void realCompute() {
1110	>	protected void realCompute() {
1111		AsyncFib g = new AsyncFib(9);
1112		assertSame(g, g.fork());
1113		AsyncFib f = new AsyncFib(8);
#	Line 1112 | Line 1130 | public class ForkJoinTaskTest extends JS
1130		*/
1131		public void testInvokeSingleton() {
1132		RecursiveAction a = new CheckedRecursiveAction() {
1133	<	public void realCompute() {
1133	>	protected void realCompute() {
1134		AsyncFib f = new AsyncFib(8);
1135		assertNull(f.invoke());
1136		assertEquals(21, f.number);
#	Line 1128 | Line 1146 | public class ForkJoinTaskTest extends JS
1146		*/
1147		public void testQuietlyInvokeSingleton() {
1148		RecursiveAction a = new CheckedRecursiveAction() {
1149	<	public void realCompute() {
1149	>	protected void realCompute() {
1150		AsyncFib f = new AsyncFib(8);
1151		f.quietlyInvoke();
1152		assertEquals(21, f.number);
#	Line 1142 | Line 1160 | public class ForkJoinTaskTest extends JS
1160		*/
1161		public void testForkJoinSingleton() {
1162		RecursiveAction a = new CheckedRecursiveAction() {
1163	<	public void realCompute() {
1163	>	protected void realCompute() {
1164		AsyncFib f = new AsyncFib(8);
1165		assertSame(f, f.fork());
1166		assertNull(f.join());
#	Line 1157 | Line 1175 | public class ForkJoinTaskTest extends JS
1175		*/
1176		public void testForkGetSingleton() {
1177		RecursiveAction a = new CheckedRecursiveAction() {
1178	<	public void realCompute() throws Exception {
1178	>	protected void realCompute() throws Exception {
1179		AsyncFib f = new AsyncFib(8);
1180		assertSame(f, f.fork());
1181		assertNull(f.get());
#	Line 1172 | Line 1190 | public class ForkJoinTaskTest extends JS
1190		*/
1191		public void testForkTimedGetSingleton() {
1192		RecursiveAction a = new CheckedRecursiveAction() {
1193	<	public void realCompute() throws Exception {
1193	>	protected void realCompute() throws Exception {
1194		AsyncFib f = new AsyncFib(8);
1195		assertSame(f, f.fork());
1196		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
#	Line 1187 | Line 1205 | public class ForkJoinTaskTest extends JS
1205		*/
1206		public void testForkTimedGetNPESingleton() {
1207		RecursiveAction a = new CheckedRecursiveAction() {
1208	<	public void realCompute() throws Exception {
1208	>	protected void realCompute() throws Exception {
1209		AsyncFib f = new AsyncFib(8);
1210		assertSame(f, f.fork());
1211		try {
1212	<	f.get(5L, null);
1212	>	f.get(randomTimeout(), null);
1213		shouldThrow();
1214		} catch (NullPointerException success) {}
1215		}};
#	Line 1203 | Line 1221 | public class ForkJoinTaskTest extends JS
1221		*/
1222		public void testForkQuietlyJoinSingleton() {
1223		RecursiveAction a = new CheckedRecursiveAction() {
1224	<	public void realCompute() {
1224	>	protected void realCompute() {
1225		AsyncFib f = new AsyncFib(8);
1226		assertSame(f, f.fork());
1227		f.quietlyJoin();
#	Line 1213 | Line 1231 | public class ForkJoinTaskTest extends JS
1231		testInvokeOnPool(singletonPool(), a);
1232		}
1233
1216	–
1234		/**
1235		* helpQuiesce returns when tasks are complete.
1236		* getQueuedTaskCount returns 0 when quiescent
1237		*/
1238		public void testForkHelpQuiesceSingleton() {
1239		RecursiveAction a = new CheckedRecursiveAction() {
1240	<	public void realCompute() {
1240	>	protected void realCompute() {
1241		AsyncFib f = new AsyncFib(8);
1242		assertSame(f, f.fork());
1243	<	f.helpQuiesce();
1243	>	helpQuiesce();
1244		assertEquals(0, getQueuedTaskCount());
1245		assertEquals(21, f.number);
1246		checkCompletedNormally(f);
#	Line 1231 | Line 1248 | public class ForkJoinTaskTest extends JS
1248		testInvokeOnPool(singletonPool(), a);
1249		}
1250
1234	–
1251		/**
1252		* invoke task throws exception when task completes abnormally
1253		*/
1254		public void testAbnormalInvokeSingleton() {
1255		RecursiveAction a = new CheckedRecursiveAction() {
1256	<	public void realCompute() {
1256	>	protected void realCompute() {
1257		FailingAsyncFib f = new FailingAsyncFib(8);
1258		try {
1259		f.invoke();
#	Line 1254 | Line 1270 | public class ForkJoinTaskTest extends JS
1270		*/
1271		public void testAbnormalQuietlyInvokeSingleton() {
1272		RecursiveAction a = new CheckedRecursiveAction() {
1273	<	public void realCompute() {
1273	>	protected void realCompute() {
1274		FailingAsyncFib f = new FailingAsyncFib(8);
1275		f.quietlyInvoke();
1276		assertTrue(f.getException() instanceof FJException);
#	Line 1268 | Line 1284 | public class ForkJoinTaskTest extends JS
1284		*/
1285		public void testAbnormalForkJoinSingleton() {
1286		RecursiveAction a = new CheckedRecursiveAction() {
1287	<	public void realCompute() {
1287	>	protected void realCompute() {
1288		FailingAsyncFib f = new FailingAsyncFib(8);
1289		assertSame(f, f.fork());
1290		try {
#	Line 1286 | Line 1302 | public class ForkJoinTaskTest extends JS
1302		*/
1303		public void testAbnormalForkGetSingleton() {
1304		RecursiveAction a = new CheckedRecursiveAction() {
1305	<	public void realCompute() throws Exception {
1305	>	protected void realCompute() throws Exception {
1306		FailingAsyncFib f = new FailingAsyncFib(8);
1307		assertSame(f, f.fork());
1308		try {
#	Line 1306 | Line 1322 | public class ForkJoinTaskTest extends JS
1322		*/
1323		public void testAbnormalForkTimedGetSingleton() {
1324		RecursiveAction a = new CheckedRecursiveAction() {
1325	<	public void realCompute() throws Exception {
1325	>	protected void realCompute() throws Exception {
1326		FailingAsyncFib f = new FailingAsyncFib(8);
1327		assertSame(f, f.fork());
1328		try {
#	Line 1326 | Line 1342 | public class ForkJoinTaskTest extends JS
1342		*/
1343		public void testAbnormalForkQuietlyJoinSingleton() {
1344		RecursiveAction a = new CheckedRecursiveAction() {
1345	<	public void realCompute() {
1345	>	protected void realCompute() {
1346		FailingAsyncFib f = new FailingAsyncFib(8);
1347		assertSame(f, f.fork());
1348		f.quietlyJoin();
#	Line 1341 | Line 1357 | public class ForkJoinTaskTest extends JS
1357		*/
1358		public void testCancelledInvokeSingleton() {
1359		RecursiveAction a = new CheckedRecursiveAction() {
1360	<	public void realCompute() {
1360	>	protected void realCompute() {
1361		AsyncFib f = new AsyncFib(8);
1362		assertTrue(f.cancel(true));
1363		try {
#	Line 1359 | Line 1375 | public class ForkJoinTaskTest extends JS
1375		*/
1376		public void testCancelledForkJoinSingleton() {
1377		RecursiveAction a = new CheckedRecursiveAction() {
1378	<	public void realCompute() {
1378	>	protected void realCompute() {
1379		AsyncFib f = new AsyncFib(8);
1380		assertTrue(f.cancel(true));
1381		assertSame(f, f.fork());
#	Line 1378 | Line 1394 | public class ForkJoinTaskTest extends JS
1394		*/
1395		public void testCancelledForkGetSingleton() {
1396		RecursiveAction a = new CheckedRecursiveAction() {
1397	<	public void realCompute() throws Exception {
1397	>	protected void realCompute() throws Exception {
1398		AsyncFib f = new AsyncFib(8);
1399		assertTrue(f.cancel(true));
1400		assertSame(f, f.fork());
#	Line 1397 | Line 1413 | public class ForkJoinTaskTest extends JS
1413		*/
1414		public void testCancelledForkTimedGetSingleton() throws Exception {
1415		RecursiveAction a = new CheckedRecursiveAction() {
1416	<	public void realCompute() throws Exception {
1416	>	protected void realCompute() throws Exception {
1417		AsyncFib f = new AsyncFib(8);
1418		assertTrue(f.cancel(true));
1419		assertSame(f, f.fork());
#	Line 1416 | Line 1432 | public class ForkJoinTaskTest extends JS
1432		*/
1433		public void testCancelledForkQuietlyJoinSingleton() {
1434		RecursiveAction a = new CheckedRecursiveAction() {
1435	<	public void realCompute() {
1435	>	protected void realCompute() {
1436		AsyncFib f = new AsyncFib(8);
1437		assertTrue(f.cancel(true));
1438		assertSame(f, f.fork());
#	Line 1431 | Line 1447 | public class ForkJoinTaskTest extends JS
1447		*/
1448		public void testCompleteExceptionallySingleton() {
1449		RecursiveAction a = new CheckedRecursiveAction() {
1450	<	public void realCompute() {
1450	>	protected void realCompute() {
1451		AsyncFib f = new AsyncFib(8);
1452		f.completeExceptionally(new FJException());
1453		try {
#	Line 1449 | Line 1465 | public class ForkJoinTaskTest extends JS
1465		*/
1466		public void testInvokeAll2Singleton() {
1467		RecursiveAction a = new CheckedRecursiveAction() {
1468	<	public void realCompute() {
1468	>	protected void realCompute() {
1469		AsyncFib f = new AsyncFib(8);
1470		AsyncFib g = new AsyncFib(9);
1471		invokeAll(f, g);
#	Line 1466 | Line 1482 | public class ForkJoinTaskTest extends JS
1482		*/
1483		public void testInvokeAll1Singleton() {
1484		RecursiveAction a = new CheckedRecursiveAction() {
1485	<	public void realCompute() {
1485	>	protected void realCompute() {
1486		AsyncFib f = new AsyncFib(8);
1487		invokeAll(f);
1488		checkCompletedNormally(f);
#	Line 1480 | Line 1496 | public class ForkJoinTaskTest extends JS
1496		*/
1497		public void testInvokeAll3Singleton() {
1498		RecursiveAction a = new CheckedRecursiveAction() {
1499	<	public void realCompute() {
1499	>	protected void realCompute() {
1500		AsyncFib f = new AsyncFib(8);
1501		AsyncFib g = new AsyncFib(9);
1502		AsyncFib h = new AsyncFib(7);
#	Line 1500 | Line 1516 | public class ForkJoinTaskTest extends JS
1516		*/
1517		public void testInvokeAllCollectionSingleton() {
1518		RecursiveAction a = new CheckedRecursiveAction() {
1519	<	public void realCompute() {
1519	>	protected void realCompute() {
1520		AsyncFib f = new AsyncFib(8);
1521		AsyncFib g = new AsyncFib(9);
1522		AsyncFib h = new AsyncFib(7);
#	Line 1519 | Line 1535 | public class ForkJoinTaskTest extends JS
1535		testInvokeOnPool(singletonPool(), a);
1536		}
1537
1522	–
1538		/**
1539		* invokeAll(tasks) with any null task throws NPE
1540		*/
1541		public void testInvokeAllNPESingleton() {
1542		RecursiveAction a = new CheckedRecursiveAction() {
1543	<	public void realCompute() {
1543	>	protected void realCompute() {
1544		AsyncFib f = new AsyncFib(8);
1545		AsyncFib g = new AsyncFib(9);
1546		AsyncFib h = null;
#	Line 1542 | Line 1557 | public class ForkJoinTaskTest extends JS
1557		*/
1558		public void testAbnormalInvokeAll2Singleton() {
1559		RecursiveAction a = new CheckedRecursiveAction() {
1560	<	public void realCompute() {
1560	>	protected void realCompute() {
1561		AsyncFib f = new AsyncFib(8);
1562		FailingAsyncFib g = new FailingAsyncFib(9);
1563	+	ForkJoinTask[] tasks = { f, g };
1564	+	shuffle(tasks);
1565		try {
1566	<	invokeAll(f, g);
1566	>	invokeAll(tasks);
1567		shouldThrow();
1568		} catch (FJException success) {
1569		checkCompletedAbnormally(g, success);
#	Line 1560 | Line 1577 | public class ForkJoinTaskTest extends JS
1577		*/
1578		public void testAbnormalInvokeAll1Singleton() {
1579		RecursiveAction a = new CheckedRecursiveAction() {
1580	<	public void realCompute() {
1580	>	protected void realCompute() {
1581		FailingAsyncFib g = new FailingAsyncFib(9);
1582		try {
1583		invokeAll(g);
#	Line 1577 | Line 1594 | public class ForkJoinTaskTest extends JS
1594		*/
1595		public void testAbnormalInvokeAll3Singleton() {
1596		RecursiveAction a = new CheckedRecursiveAction() {
1597	<	public void realCompute() {
1597	>	protected void realCompute() {
1598		AsyncFib f = new AsyncFib(8);
1599		FailingAsyncFib g = new FailingAsyncFib(9);
1600		AsyncFib h = new AsyncFib(7);
1601	+	ForkJoinTask[] tasks = { f, g, h };
1602	+	shuffle(tasks);
1603		try {
1604	<	invokeAll(f, g, h);
1604	>	invokeAll(tasks);
1605		shouldThrow();
1606		} catch (FJException success) {
1607		checkCompletedAbnormally(g, success);
#	Line 1592 | Line 1611 | public class ForkJoinTaskTest extends JS
1611		}
1612
1613		/**
1614	<	* invokeAll(collection)  throws exception if any task does
1614	>	* invokeAll(collection) throws exception if any task does
1615		*/
1616		public void testAbnormalInvokeAllCollectionSingleton() {
1617		RecursiveAction a = new CheckedRecursiveAction() {
1618	<	public void realCompute() {
1618	>	protected void realCompute() {
1619		FailingAsyncFib f = new FailingAsyncFib(8);
1620		AsyncFib g = new AsyncFib(9);
1621		AsyncFib h = new AsyncFib(7);
1622	<	HashSet set = new HashSet();
1623	<	set.add(f);
1605	<	set.add(g);
1606	<	set.add(h);
1622	>	ForkJoinTask[] tasks = { f, g, h };
1623	>	shuffle(tasks);
1624		try {
1625	<	invokeAll(set);
1625	>	invokeAll(Arrays.asList(tasks));
1626		shouldThrow();
1627		} catch (FJException success) {
1628		checkCompletedAbnormally(f, success);
#	Line 1614 | Line 1631 | public class ForkJoinTaskTest extends JS
1631		testInvokeOnPool(singletonPool(), a);
1632		}
1633
1634	+	/**
1635	+	* ForkJoinTask.quietlyComplete returns when task completes
1636	+	* normally without setting a value. The most recent value
1637	+	* established by setRawResult(V) (or null by default) is returned
1638	+	* from invoke.
1639	+	*/
1640	+	public void testQuietlyComplete() {
1641	+	RecursiveAction a = new CheckedRecursiveAction() {
1642	+	protected void realCompute() {
1643	+	AsyncFib f = new AsyncFib(8);
1644	+	f.quietlyComplete();
1645	+	assertEquals(8, f.number);
1646	+	checkCompletedNormally(f);
1647	+	}};
1648	+	testInvokeOnPool(mainPool(), a);
1649	+	}
1650	+
1651		}

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