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

Comparing jsr166/src/test/tck/ForkJoinTask8Test.java (file contents):
Revision 1.9 by jsr166, Sat Feb 7 17:43:38 2015 UTC vs.
Revision 1.30 by jsr166, Sat Oct 21 06:54:19 2017 UTC

#	Line 5 | Line 5
5		*/
6
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	–	import static java.util.concurrent.TimeUnit.SECONDS;
8
9	<	import java.util.HashSet;
9	>	import java.util.Arrays;
10	>	import java.util.concurrent.CountDownLatch;
11		import java.util.concurrent.ExecutionException;
12		import java.util.concurrent.ForkJoinPool;
13		import java.util.concurrent.ForkJoinTask;
14	+	import java.util.concurrent.ForkJoinWorkerThread;
15		import java.util.concurrent.RecursiveAction;
16		import java.util.concurrent.TimeoutException;
17
#	Line 34 | Line 35 | public class ForkJoinTask8Test extends J
35		static final short EXCEPTION_STATE = 1;
36
37		public static void main(String[] args) {
38	<	junit.textui.TestRunner.run(suite());
38	>	main(suite(), args);
39		}
40
41		public static Test suite() {
#	Line 59 | Line 60 | public class ForkJoinTask8Test extends J
60		null, true);
61		}
62
63	+	// Compute fib naively and efficiently
64	+	final int[] fib;
65	+	{
66	+	int[] fib = new int[10];
67	+	fib[0] = 0;
68	+	fib[1] = 1;
69	+	for (int i = 2; i < fib.length; i++)
70	+	fib[i] = fib[i - 1] + fib[i - 2];
71	+	this.fib = fib;
72	+	}
73	+
74		private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
75	<	try {
75	>	try (PoolCleaner cleaner = cleaner(pool)) {
76		assertFalse(a.isDone());
77		assertFalse(a.isCompletedNormally());
78		assertFalse(a.isCompletedAbnormally());
#	Line 76 | Line 88 | public class ForkJoinTask8Test extends J
88		assertFalse(a.isCancelled());
89		assertNull(a.getException());
90		assertNull(a.getRawResult());
79	–	} finally {
80	–	joinPool(pool);
91		}
92		}
93
#	Line 89 | Line 99 | public class ForkJoinTask8Test extends J
99		assertNull(a.getException());
100		assertNull(a.getRawResult());
101		if (a instanceof BinaryAsyncAction)
102	<	assertTrue(((BinaryAsyncAction)a).getForkJoinTaskTag() == INITIAL_STATE);
102	>	assertEquals(INITIAL_STATE,
103	>	((BinaryAsyncAction)a).getForkJoinTaskTag());
104
105		try {
106	<	a.get(0L, SECONDS);
106	>	a.get(randomExpiredTimeout(), randomTimeUnit());
107		shouldThrow();
108		} catch (TimeoutException success) {
109		} catch (Throwable fail) { threadUnexpectedException(fail); }
#	Line 110 | Line 121 | public class ForkJoinTask8Test extends J
121		assertNull(a.getException());
122		assertSame(expected, a.getRawResult());
123		if (a instanceof BinaryAsyncAction)
124	<	assertTrue(((BinaryAsyncAction)a).getForkJoinTaskTag() == COMPLETE_STATE);
124	>	assertEquals(COMPLETE_STATE,
125	>	((BinaryAsyncAction)a).getForkJoinTaskTag());
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) < LONG_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) < LONG_DELAY_MS);
140		Thread.interrupted();
141		}
142
#	Line 132 | Line 144 | public class ForkJoinTask8Test extends J
144		assertFalse(a.cancel(true));
145		try {
146		assertSame(expected, a.get());
147	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
148	<	try {
137	<	assertSame(expected, a.get(5L, SECONDS));
138	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
147	>	assertSame(expected, a.get(randomTimeout(), randomTimeUnit()));
148	>	} catch (Exception fail) { threadUnexpectedException(fail); }
149		}
150
151		void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
#	Line 160 | Line 170 | public class ForkJoinTask8Test extends J
170		Thread.interrupted();
171
172		{
173	<	long t0 = System.nanoTime();
173	>	long startTime = System.nanoTime();
174		a.quietlyJoin();        // should be no-op
175	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
175	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
176		}
177
178		try {
#	Line 173 | Line 183 | public class ForkJoinTask8Test extends J
183		} catch (Throwable fail) { threadUnexpectedException(fail); }
184
185		try {
186	<	a.get(5L, SECONDS);
186	>	a.get(randomTimeout(), randomTimeUnit());
187		shouldThrow();
188		} catch (ExecutionException success) {
189		assertSame(t.getClass(), success.getCause().getClass());
#	Line 186 | Line 196 | public class ForkJoinTask8Test extends J
196
197		abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
198
199	<	private BinaryAsyncAction parent;
199	>	private volatile BinaryAsyncAction parent;
200
201	<	private BinaryAsyncAction sibling;
201	>	private volatile BinaryAsyncAction sibling;
202
203		protected BinaryAsyncAction() {
204		setForkJoinTaskTag(INITIAL_STATE);
#	Line 231 | Line 241 | public class ForkJoinTask8Test extends J
241		super.completeExceptionally(ex);
242		}
243
244	+	public boolean cancel(boolean mayInterruptIfRunning) {
245	+	if (super.cancel(mayInterruptIfRunning)) {
246	+	completeExceptionally(new FJException());
247	+	return true;
248	+	}
249	+	return false;
250	+	}
251	+
252		public final void complete() {
253		BinaryAsyncAction a = this;
254		for (;;) {
#	Line 253 | Line 271 | public class ForkJoinTask8Test extends J
271		}
272
273		public final void completeExceptionally(Throwable ex) {
274	<	BinaryAsyncAction a = this;
257	<	while (!a.isCompletedAbnormally()) {
274	>	for (BinaryAsyncAction a = this;;) {
275		a.completeThisExceptionally(ex);
276		BinaryAsyncAction s = a.sibling;
277	<	if (s != null)
278	<	s.cancel(false);
279	<	if (!a.onException() || (a = a.parent) == null)
277	>	if (s != null && !s.isDone())
278	>	s.completeExceptionally(ex);
279	>	if ((a = a.parent) == null)
280		break;
281		}
282		}
#	Line 279 | Line 296 | public class ForkJoinTask8Test extends J
296
297		}
298
299	<	static final class AsyncFib extends BinaryAsyncAction {
299	>	final class AsyncFib extends BinaryAsyncAction {
300		int number;
301	<	public AsyncFib(int n) {
302	<	this.number = n;
301	>	int expectedResult;
302	>	public AsyncFib(int number) {
303	>	this.number = number;
304	>	this.expectedResult = fib[number];
305		}
306
307		public final boolean exec() {
308		try {
309		AsyncFib f = this;
310		int n = f.number;
311	<	if (n > 1) {
312	<	while (n > 1) {
313	<	AsyncFib p = f;
314	<	AsyncFib r = new AsyncFib(n - 2);
315	<	f = new AsyncFib(--n);
316	<	p.linkSubtasks(r, f);
298	<	r.fork();
299	<	}
300	<	f.number = n;
311	>	while (n > 1) {
312	>	AsyncFib p = f;
313	>	AsyncFib r = new AsyncFib(n - 2);
314	>	f = new AsyncFib(--n);
315	>	p.linkSubtasks(r, f);
316	>	r.fork();
317		}
318		f.complete();
319		}
320		catch (Throwable ex) {
321		compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
322		}
323	+	if (getForkJoinTaskTag() == EXCEPTION_STATE)
324	+	throw new FJException();
325		return false;
326		}
327
#	Line 311 | Line 329 | public class ForkJoinTask8Test extends J
329		number = ((AsyncFib)x).number + ((AsyncFib)y).number;
330		super.onComplete(x, y);
331		}
332	+
333	+	public void checkCompletedNormally() {
334	+	assertEquals(expectedResult, number);
335	+	ForkJoinTask8Test.this.checkCompletedNormally(this);
336	+	}
337		}
338
339		static final class FailingAsyncFib extends BinaryAsyncAction {
#	Line 320 | Line 343 | public class ForkJoinTask8Test extends J
343		}
344
345		public final boolean exec() {
346	<	FailingAsyncFib f = this;
347	<	int n = f.number;
348	<	if (n > 1) {
346	>	try {
347	>	FailingAsyncFib f = this;
348	>	int n = f.number;
349		while (n > 1) {
350		FailingAsyncFib p = f;
351		FailingAsyncFib r = new FailingAsyncFib(n - 2);
#	Line 330 | Line 353 | public class ForkJoinTask8Test extends J
353		p.linkSubtasks(r, f);
354		r.fork();
355		}
356	<	f.number = n;
356	>	f.complete();
357	>	}
358	>	catch (Throwable ex) {
359	>	compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
360		}
361	<	f.complete();
361	>	if (getForkJoinTaskTag() == EXCEPTION_STATE)
362	>	throw new FJException();
363		return false;
364		}
365
#	Line 347 | Line 374 | public class ForkJoinTask8Test extends J
374		* completed tasks; getRawResult returns null.
375		*/
376		public void testInvoke() {
377	+	testInvoke(mainPool());
378	+	}
379	+	public void testInvoke_Singleton() {
380	+	testInvoke(singletonPool());
381	+	}
382	+	public void testInvoke(ForkJoinPool pool) {
383		RecursiveAction a = new CheckedRecursiveAction() {
384		protected void realCompute() {
385		AsyncFib f = new AsyncFib(8);
386		assertNull(f.invoke());
387	<	assertEquals(21, f.number);
355	<	checkCompletedNormally(f);
387	>	f.checkCompletedNormally();
388		}};
389	<	testInvokeOnPool(mainPool(), a);
389	>	testInvokeOnPool(pool, a);
390		}
391
392		/**
#	Line 363 | Line 395 | public class ForkJoinTask8Test extends J
395		* completed tasks
396		*/
397		public void testQuietlyInvoke() {
398	+	testQuietlyInvoke(mainPool());
399	+	}
400	+	public void testQuietlyInvoke_Singleton() {
401	+	testQuietlyInvoke(singletonPool());
402	+	}
403	+	public void testQuietlyInvoke(ForkJoinPool pool) {
404		RecursiveAction a = new CheckedRecursiveAction() {
405		protected void realCompute() {
406		AsyncFib f = new AsyncFib(8);
407		f.quietlyInvoke();
408	<	assertEquals(21, f.number);
371	<	checkCompletedNormally(f);
408	>	f.checkCompletedNormally();
409		}};
410	<	testInvokeOnPool(mainPool(), a);
410	>	testInvokeOnPool(pool, a);
411		}
412
413		/**
414		* join of a forked task returns when task completes
415		*/
416		public void testForkJoin() {
417	+	testForkJoin(mainPool());
418	+	}
419	+	public void testForkJoin_Singleton() {
420	+	testForkJoin(singletonPool());
421	+	}
422	+	public void testForkJoin(ForkJoinPool pool) {
423		RecursiveAction a = new CheckedRecursiveAction() {
424		protected void realCompute() {
425		AsyncFib f = new AsyncFib(8);
426		assertSame(f, f.fork());
427		assertNull(f.join());
428	<	assertEquals(21, f.number);
386	<	checkCompletedNormally(f);
428	>	f.checkCompletedNormally();
429		}};
430	<	testInvokeOnPool(mainPool(), a);
430	>	testInvokeOnPool(pool, a);
431		}
432
433		/**
434		* get of a forked task returns when task completes
435		*/
436		public void testForkGet() {
437	+	testForkGet(mainPool());
438	+	}
439	+	public void testForkGet_Singleton() {
440	+	testForkGet(singletonPool());
441	+	}
442	+	public void testForkGet(ForkJoinPool pool) {
443		RecursiveAction a = new CheckedRecursiveAction() {
444		protected void realCompute() throws Exception {
445		AsyncFib f = new AsyncFib(8);
446		assertSame(f, f.fork());
447		assertNull(f.get());
448	<	assertEquals(21, f.number);
401	<	checkCompletedNormally(f);
448	>	f.checkCompletedNormally();
449		}};
450	<	testInvokeOnPool(mainPool(), a);
450	>	testInvokeOnPool(pool, a);
451		}
452
453		/**
454		* timed get of a forked task returns when task completes
455		*/
456		public void testForkTimedGet() {
457	+	testForkTimedGet(mainPool());
458	+	}
459	+	public void testForkTimedGet_Singleton() {
460	+	testForkTimedGet(singletonPool());
461	+	}
462	+	public void testForkTimedGet(ForkJoinPool pool) {
463		RecursiveAction a = new CheckedRecursiveAction() {
464		protected void realCompute() throws Exception {
465		AsyncFib f = new AsyncFib(8);
466		assertSame(f, f.fork());
467		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
468	<	assertEquals(21, f.number);
416	<	checkCompletedNormally(f);
468	>	f.checkCompletedNormally();
469		}};
470	<	testInvokeOnPool(mainPool(), a);
470	>	testInvokeOnPool(pool, a);
471		}
472
473		/**
474	<	* timed get with null time unit throws NPE
474	>	* timed get with null time unit throws NullPointerException
475		*/
476	<	public void testForkTimedGetNPE() {
476	>	public void testForkTimedGetNullTimeUnit() {
477	>	testForkTimedGetNullTimeUnit(mainPool());
478	>	}
479	>	public void testForkTimedGetNullTimeUnit_Singleton() {
480	>	testForkTimedGet(singletonPool());
481	>	}
482	>	public void testForkTimedGetNullTimeUnit(ForkJoinPool pool) {
483		RecursiveAction a = new CheckedRecursiveAction() {
484		protected void realCompute() throws Exception {
485		AsyncFib f = new AsyncFib(8);
486		assertSame(f, f.fork());
487		try {
488	<	f.get(5L, null);
488	>	f.get(randomTimeout(), null);
489		shouldThrow();
490		} catch (NullPointerException success) {}
491		}};
492	<	testInvokeOnPool(mainPool(), a);
492	>	testInvokeOnPool(pool, a);
493		}
494
495		/**
496		* quietlyJoin of a forked task returns when task completes
497		*/
498		public void testForkQuietlyJoin() {
499	+	testForkQuietlyJoin(mainPool());
500	+	}
501	+	public void testForkQuietlyJoin_Singleton() {
502	+	testForkQuietlyJoin(singletonPool());
503	+	}
504	+	public void testForkQuietlyJoin(ForkJoinPool pool) {
505		RecursiveAction a = new CheckedRecursiveAction() {
506		protected void realCompute() {
507		AsyncFib f = new AsyncFib(8);
508		assertSame(f, f.fork());
509		f.quietlyJoin();
510	<	assertEquals(21, f.number);
447	<	checkCompletedNormally(f);
510	>	f.checkCompletedNormally();
511		}};
512	<	testInvokeOnPool(mainPool(), a);
512	>	testInvokeOnPool(pool, a);
513		}
514
515		/**
#	Line 454 | Line 517 | public class ForkJoinTask8Test extends J
517		* getQueuedTaskCount returns 0 when quiescent
518		*/
519		public void testForkHelpQuiesce() {
520	+	testForkHelpQuiesce(mainPool());
521	+	}
522	+	public void testForkHelpQuiesce_Singleton() {
523	+	testForkHelpQuiesce(singletonPool());
524	+	}
525	+	public void testForkHelpQuiesce(ForkJoinPool pool) {
526		RecursiveAction a = new CheckedRecursiveAction() {
527		protected void realCompute() {
528		AsyncFib f = new AsyncFib(8);
529		assertSame(f, f.fork());
530		helpQuiesce();
462	–	assertEquals(21, f.number);
531		assertEquals(0, getQueuedTaskCount());
532	<	checkCompletedNormally(f);
532	>	f.checkCompletedNormally();
533		}};
534	<	testInvokeOnPool(mainPool(), a);
534	>	testInvokeOnPool(pool, a);
535		}
536
537		/**
538		* invoke task throws exception when task completes abnormally
539		*/
540		public void testAbnormalInvoke() {
541	+	testAbnormalInvoke(mainPool());
542	+	}
543	+	public void testAbnormalInvoke_Singleton() {
544	+	testAbnormalInvoke(singletonPool());
545	+	}
546	+	public void testAbnormalInvoke(ForkJoinPool pool) {
547		RecursiveAction a = new CheckedRecursiveAction() {
548		protected void realCompute() {
549		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 480 | Line 554 | public class ForkJoinTask8Test extends J
554		checkCompletedAbnormally(f, success);
555		}
556		}};
557	<	testInvokeOnPool(mainPool(), a);
557	>	testInvokeOnPool(pool, a);
558		}
559
560		/**
561		* quietlyInvoke task returns when task completes abnormally
562		*/
563		public void testAbnormalQuietlyInvoke() {
564	+	testAbnormalQuietlyInvoke(mainPool());
565	+	}
566	+	public void testAbnormalQuietlyInvoke_Singleton() {
567	+	testAbnormalQuietlyInvoke(singletonPool());
568	+	}
569	+	public void testAbnormalQuietlyInvoke(ForkJoinPool pool) {
570		RecursiveAction a = new CheckedRecursiveAction() {
571		protected void realCompute() {
572		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 494 | Line 574 | public class ForkJoinTask8Test extends J
574		assertTrue(f.getException() instanceof FJException);
575		checkCompletedAbnormally(f, f.getException());
576		}};
577	<	testInvokeOnPool(mainPool(), a);
577	>	testInvokeOnPool(pool, a);
578		}
579
580		/**
581		* join of a forked task throws exception when task completes abnormally
582		*/
583		public void testAbnormalForkJoin() {
584	+	testAbnormalForkJoin(mainPool());
585	+	}
586	+	public void testAbnormalForkJoin_Singleton() {
587	+	testAbnormalForkJoin(singletonPool());
588	+	}
589	+	public void testAbnormalForkJoin(ForkJoinPool pool) {
590		RecursiveAction a = new CheckedRecursiveAction() {
591		protected void realCompute() {
592		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 512 | Line 598 | public class ForkJoinTask8Test extends J
598		checkCompletedAbnormally(f, success);
599		}
600		}};
601	<	testInvokeOnPool(mainPool(), a);
601	>	testInvokeOnPool(pool, a);
602		}
603
604		/**
605		* get of a forked task throws exception when task completes abnormally
606		*/
607		public void testAbnormalForkGet() {
608	+	testAbnormalForkGet(mainPool());
609	+	}
610	+	public void testAbnormalForkGet_Singleton() {
611	+	testAbnormalForkJoin(singletonPool());
612	+	}
613	+	public void testAbnormalForkGet(ForkJoinPool pool) {
614		RecursiveAction a = new CheckedRecursiveAction() {
615		protected void realCompute() throws Exception {
616		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 532 | Line 624 | public class ForkJoinTask8Test extends J
624		checkCompletedAbnormally(f, cause);
625		}
626		}};
627	<	testInvokeOnPool(mainPool(), a);
627	>	testInvokeOnPool(pool, a);
628		}
629
630		/**
631		* timed get of a forked task throws exception when task completes abnormally
632		*/
633		public void testAbnormalForkTimedGet() {
634	+	testAbnormalForkTimedGet(mainPool());
635	+	}
636	+	public void testAbnormalForkTimedGet_Singleton() {
637	+	testAbnormalForkTimedGet(singletonPool());
638	+	}
639	+	public void testAbnormalForkTimedGet(ForkJoinPool pool) {
640		RecursiveAction a = new CheckedRecursiveAction() {
641		protected void realCompute() throws Exception {
642		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 552 | Line 650 | public class ForkJoinTask8Test extends J
650		checkCompletedAbnormally(f, cause);
651		}
652		}};
653	<	testInvokeOnPool(mainPool(), a);
653	>	testInvokeOnPool(pool, a);
654		}
655
656		/**
657		* quietlyJoin of a forked task returns when task completes abnormally
658		*/
659		public void testAbnormalForkQuietlyJoin() {
660	+	testAbnormalForkQuietlyJoin(mainPool());
661	+	}
662	+	public void testAbnormalForkQuietlyJoin_Singleton() {
663	+	testAbnormalForkQuietlyJoin(singletonPool());
664	+	}
665	+	public void testAbnormalForkQuietlyJoin(ForkJoinPool pool) {
666		RecursiveAction a = new CheckedRecursiveAction() {
667		protected void realCompute() {
668		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 567 | Line 671 | public class ForkJoinTask8Test extends J
671		assertTrue(f.getException() instanceof FJException);
672		checkCompletedAbnormally(f, f.getException());
673		}};
674	<	testInvokeOnPool(mainPool(), a);
674	>	testInvokeOnPool(pool, a);
675		}
676
677		/**
678		* getPool of executing task returns its pool
679		*/
680		public void testGetPool() {
681	<	final ForkJoinPool mainPool = mainPool();
681	>	testGetPool(mainPool());
682	>	}
683	>	public void testGetPool_Singleton() {
684	>	testGetPool(singletonPool());
685	>	}
686	>	public void testGetPool(ForkJoinPool pool) {
687		RecursiveAction a = new CheckedRecursiveAction() {
688		protected void realCompute() {
689	<	assertSame(mainPool, getPool());
689	>	assertSame(pool, getPool());
690		}};
691	<	testInvokeOnPool(mainPool, a);
691	>	testInvokeOnPool(pool, a);
692		}
693
694		/**
#	Line 597 | Line 706 | public class ForkJoinTask8Test extends J
706		* inForkJoinPool of executing task returns true
707		*/
708		public void testInForkJoinPool() {
709	+	testInForkJoinPool(mainPool());
710	+	}
711	+	public void testInForkJoinPool_Singleton() {
712	+	testInForkJoinPool(singletonPool());
713	+	}
714	+	public void testInForkJoinPool(ForkJoinPool pool) {
715		RecursiveAction a = new CheckedRecursiveAction() {
716		protected void realCompute() {
717		assertTrue(inForkJoinPool());
718		}};
719	<	testInvokeOnPool(mainPool(), a);
719	>	testInvokeOnPool(pool, a);
720		}
721
722		/**
#	Line 631 | Line 746 | public class ForkJoinTask8Test extends J
746		* invoke task throws exception after invoking completeExceptionally
747		*/
748		public void testCompleteExceptionally() {
749	+	testCompleteExceptionally(mainPool());
750	+	}
751	+	public void testCompleteExceptionally_Singleton() {
752	+	testCompleteExceptionally(singletonPool());
753	+	}
754	+	public void testCompleteExceptionally(ForkJoinPool pool) {
755		RecursiveAction a = new CheckedRecursiveAction() {
756		protected void realCompute() {
757		AsyncFib f = new AsyncFib(8);
#	Line 642 | Line 763 | public class ForkJoinTask8Test extends J
763		checkCompletedAbnormally(f, success);
764		}
765		}};
766	<	testInvokeOnPool(mainPool(), a);
766	>	testInvokeOnPool(pool, a);
767		}
768
769		/**
770	<	* invokeAll(t1, t2) invokes all task arguments
770	>	* invokeAll(tasks) with 1 argument invokes task
771		*/
772	<	public void testInvokeAll2() {
772	>	public void testInvokeAll1() {
773	>	testInvokeAll1(mainPool());
774	>	}
775	>	public void testInvokeAll1_Singleton() {
776	>	testInvokeAll1(singletonPool());
777	>	}
778	>	public void testInvokeAll1(ForkJoinPool pool) {
779		RecursiveAction a = new CheckedRecursiveAction() {
780		protected void realCompute() {
781		AsyncFib f = new AsyncFib(8);
782	<	AsyncFib g = new AsyncFib(9);
783	<	invokeAll(f, g);
657	<	assertEquals(21, f.number);
658	<	assertEquals(34, g.number);
659	<	checkCompletedNormally(f);
660	<	checkCompletedNormally(g);
782	>	invokeAll(f);
783	>	f.checkCompletedNormally();
784		}};
785	<	testInvokeOnPool(mainPool(), a);
785	>	testInvokeOnPool(pool, a);
786		}
787
788		/**
789	<	* invokeAll(tasks) with 1 argument invokes task
789	>	* invokeAll(t1, t2) invokes all task arguments
790		*/
791	<	public void testInvokeAll1() {
791	>	public void testInvokeAll2() {
792	>	testInvokeAll2(mainPool());
793	>	}
794	>	public void testInvokeAll2_Singleton() {
795	>	testInvokeAll2(singletonPool());
796	>	}
797	>	public void testInvokeAll2(ForkJoinPool pool) {
798		RecursiveAction a = new CheckedRecursiveAction() {
799		protected void realCompute() {
800	<	AsyncFib f = new AsyncFib(8);
801	<	invokeAll(f);
802	<	checkCompletedNormally(f);
803	<	assertEquals(21, f.number);
800	>	AsyncFib[] tasks = {
801	>	new AsyncFib(8),
802	>	new AsyncFib(9),
803	>	};
804	>	invokeAll(tasks[0], tasks[1]);
805	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
806	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
807		}};
808	<	testInvokeOnPool(mainPool(), a);
808	>	testInvokeOnPool(pool, a);
809		}
810
811		/**
812		* invokeAll(tasks) with > 2 argument invokes tasks
813		*/
814		public void testInvokeAll3() {
815	+	testInvokeAll3(mainPool());
816	+	}
817	+	public void testInvokeAll3_Singleton() {
818	+	testInvokeAll3(singletonPool());
819	+	}
820	+	public void testInvokeAll3(ForkJoinPool pool) {
821		RecursiveAction a = new CheckedRecursiveAction() {
822		protected void realCompute() {
823	<	AsyncFib f = new AsyncFib(8);
824	<	AsyncFib g = new AsyncFib(9);
825	<	AsyncFib h = new AsyncFib(7);
826	<	invokeAll(f, g, h);
827	<	assertEquals(21, f.number);
828	<	assertEquals(34, g.number);
829	<	assertEquals(13, h.number);
830	<	checkCompletedNormally(f);
693	<	checkCompletedNormally(g);
694	<	checkCompletedNormally(h);
823	>	AsyncFib[] tasks = {
824	>	new AsyncFib(8),
825	>	new AsyncFib(9),
826	>	new AsyncFib(7),
827	>	};
828	>	invokeAll(tasks[0], tasks[1], tasks[2]);
829	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
830	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
831		}};
832	<	testInvokeOnPool(mainPool(), a);
832	>	testInvokeOnPool(pool, a);
833		}
834
835		/**
836		* invokeAll(collection) invokes all tasks in the collection
837		*/
838		public void testInvokeAllCollection() {
839	+	testInvokeAllCollection(mainPool());
840	+	}
841	+	public void testInvokeAllCollection_Singleton() {
842	+	testInvokeAllCollection(singletonPool());
843	+	}
844	+	public void testInvokeAllCollection(ForkJoinPool pool) {
845		RecursiveAction a = new CheckedRecursiveAction() {
846		protected void realCompute() {
847	<	AsyncFib f = new AsyncFib(8);
848	<	AsyncFib g = new AsyncFib(9);
849	<	AsyncFib h = new AsyncFib(7);
850	<	HashSet set = new HashSet();
851	<	set.add(f);
852	<	set.add(g);
853	<	set.add(h);
854	<	invokeAll(set);
713	<	assertEquals(21, f.number);
714	<	assertEquals(34, g.number);
715	<	assertEquals(13, h.number);
716	<	checkCompletedNormally(f);
717	<	checkCompletedNormally(g);
718	<	checkCompletedNormally(h);
847	>	AsyncFib[] tasks = {
848	>	new AsyncFib(8),
849	>	new AsyncFib(9),
850	>	new AsyncFib(7),
851	>	};
852	>	invokeAll(Arrays.asList(tasks));
853	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
854	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
855		}};
856	<	testInvokeOnPool(mainPool(), a);
856	>	testInvokeOnPool(pool, a);
857		}
858
859		/**
860	<	* invokeAll(tasks) with any null task throws NPE
860	>	* invokeAll(tasks) with any null task throws NullPointerException
861		*/
862	<	public void testInvokeAllNPE() {
862	>	public void testInvokeAllNullTask() {
863	>	testInvokeAllNullTask(mainPool());
864	>	}
865	>	public void testInvokeAllNullTask_Singleton() {
866	>	testInvokeAllNullTask(singletonPool());
867	>	}
868	>	public void testInvokeAllNullTask(ForkJoinPool pool) {
869		RecursiveAction a = new CheckedRecursiveAction() {
870		protected void realCompute() {
871	<	AsyncFib f = new AsyncFib(8);
730	<	AsyncFib g = new AsyncFib(9);
731	<	AsyncFib h = null;
871	>	AsyncFib nul = null;
872		Runnable[] throwingActions = {
873	<	() -> invokeAll(h),
874	<	() -> invokeAll(f, g, h),
875	<	() -> invokeAll(f, h, g),
876	<	() -> invokeAll(h, f, g),
873	>	() -> invokeAll(nul),
874	>	() -> invokeAll(nul, nul),
875	>	() -> invokeAll(new AsyncFib(8), new AsyncFib(9), nul),
876	>	() -> invokeAll(new AsyncFib(8), nul, new AsyncFib(9)),
877	>	() -> invokeAll(nul, new AsyncFib(8), new AsyncFib(9)),
878		};
879		assertThrows(NullPointerException.class, throwingActions);
880		}};
881	<	testInvokeOnPool(mainPool(), a);
881	>	testInvokeOnPool(pool, a);
882		}
883
884		/**
885	<	* invokeAll(t1, t2) throw exception if any task does
885	>	* invokeAll(tasks) with 1 argument throws exception if task does
886		*/
887	<	public void testAbnormalInvokeAll2() {
887	>	public void testAbnormalInvokeAll1() {
888	>	testAbnormalInvokeAll1(mainPool());
889	>	}
890	>	public void testAbnormalInvokeAll1_Singleton() {
891	>	testAbnormalInvokeAll1(singletonPool());
892	>	}
893	>	public void testAbnormalInvokeAll1(ForkJoinPool pool) {
894		RecursiveAction a = new CheckedRecursiveAction() {
895		protected void realCompute() {
749	–	AsyncFib f = new AsyncFib(8);
896		FailingAsyncFib g = new FailingAsyncFib(9);
897		try {
898	<	invokeAll(f, g);
898	>	invokeAll(g);
899		shouldThrow();
900		} catch (FJException success) {
901		checkCompletedAbnormally(g, success);
902		}
903		}};
904	<	testInvokeOnPool(mainPool(), a);
904	>	testInvokeOnPool(pool, a);
905		}
906
907		/**
908	<	* invokeAll(tasks) with 1 argument throws exception if task does
908	>	* invokeAll(t1, t2) throw exception if any task does
909		*/
910	<	public void testAbnormalInvokeAll1() {
910	>	public void testAbnormalInvokeAll2() {
911	>	testAbnormalInvokeAll2(mainPool());
912	>	}
913	>	public void testAbnormalInvokeAll2_Singleton() {
914	>	testAbnormalInvokeAll2(singletonPool());
915	>	}
916	>	public void testAbnormalInvokeAll2(ForkJoinPool pool) {
917		RecursiveAction a = new CheckedRecursiveAction() {
918		protected void realCompute() {
919	+	AsyncFib f = new AsyncFib(8);
920		FailingAsyncFib g = new FailingAsyncFib(9);
921	+	ForkJoinTask[] tasks = { f, g };
922	+	shuffle(tasks);
923		try {
924	<	invokeAll(g);
924	>	invokeAll(tasks[0], tasks[1]);
925		shouldThrow();
926		} catch (FJException success) {
927		checkCompletedAbnormally(g, success);
928		}
929		}};
930	<	testInvokeOnPool(mainPool(), a);
930	>	testInvokeOnPool(pool, a);
931		}
932
933		/**
934		* invokeAll(tasks) with > 2 argument throws exception if any task does
935		*/
936		public void testAbnormalInvokeAll3() {
937	+	testAbnormalInvokeAll3(mainPool());
938	+	}
939	+	public void testAbnormalInvokeAll3_Singleton() {
940	+	testAbnormalInvokeAll3(singletonPool());
941	+	}
942	+	public void testAbnormalInvokeAll3(ForkJoinPool pool) {
943		RecursiveAction a = new CheckedRecursiveAction() {
944		protected void realCompute() {
945		AsyncFib f = new AsyncFib(8);
946		FailingAsyncFib g = new FailingAsyncFib(9);
947		AsyncFib h = new AsyncFib(7);
948	+	ForkJoinTask[] tasks = { f, g, h };
949	+	shuffle(tasks);
950		try {
951	<	invokeAll(f, g, h);
951	>	invokeAll(tasks[0], tasks[1], tasks[2]);
952		shouldThrow();
953		} catch (FJException success) {
954		checkCompletedAbnormally(g, success);
955		}
956		}};
957	<	testInvokeOnPool(mainPool(), a);
957	>	testInvokeOnPool(pool, a);
958		}
959
960		/**
961		* invokeAll(collection) throws exception if any task does
962		*/
963		public void testAbnormalInvokeAllCollection() {
964	+	testAbnormalInvokeAllCollection(mainPool());
965	+	}
966	+	public void testAbnormalInvokeAllCollection_Singleton() {
967	+	testAbnormalInvokeAllCollection(singletonPool());
968	+	}
969	+	public void testAbnormalInvokeAllCollection(ForkJoinPool pool) {
970		RecursiveAction a = new CheckedRecursiveAction() {
971		protected void realCompute() {
972		FailingAsyncFib f = new FailingAsyncFib(8);
973		AsyncFib g = new AsyncFib(9);
974		AsyncFib h = new AsyncFib(7);
975	<	HashSet set = new HashSet();
976	<	set.add(f);
808	<	set.add(g);
809	<	set.add(h);
975	>	ForkJoinTask[] tasks = { f, g, h };
976	>	shuffle(tasks);
977		try {
978	<	invokeAll(set);
978	>	invokeAll(Arrays.asList(tasks));
979		shouldThrow();
980		} catch (FJException success) {
981		checkCompletedAbnormally(f, success);
982		}
983		}};
984	<	testInvokeOnPool(mainPool(), a);
984	>	testInvokeOnPool(pool, a);
985		}
986
987		/**
#	Line 831 | Line 998 | public class ForkJoinTask8Test extends J
998		assertTrue(f.tryUnfork());
999		helpQuiesce();
1000		checkNotDone(f);
1001	<	checkCompletedNormally(g);
1001	>	g.checkCompletedNormally();
1002		}};
1003		testInvokeOnPool(singletonPool(), a);
1004		}
#	Line 852 | Line 1019 | public class ForkJoinTask8Test extends J
1019		assertTrue(getSurplusQueuedTaskCount() > 0);
1020		helpQuiesce();
1021		assertEquals(0, getSurplusQueuedTaskCount());
1022	<	checkCompletedNormally(f);
1023	<	checkCompletedNormally(g);
1024	<	checkCompletedNormally(h);
1022	>	f.checkCompletedNormally();
1023	>	g.checkCompletedNormally();
1024	>	h.checkCompletedNormally();
1025		}};
1026		testInvokeOnPool(singletonPool(), a);
1027		}
#	Line 871 | Line 1038 | public class ForkJoinTask8Test extends J
1038		assertSame(f, f.fork());
1039		assertSame(f, peekNextLocalTask());
1040		assertNull(f.join());
1041	<	checkCompletedNormally(f);
1041	>	f.checkCompletedNormally();
1042		helpQuiesce();
1043	<	checkCompletedNormally(g);
1043	>	g.checkCompletedNormally();
1044		}};
1045		testInvokeOnPool(singletonPool(), a);
1046		}
#	Line 892 | Line 1059 | public class ForkJoinTask8Test extends J
1059		assertSame(f, pollNextLocalTask());
1060		helpQuiesce();
1061		checkNotDone(f);
1062	<	assertEquals(34, g.number);
896	<	checkCompletedNormally(g);
1062	>	g.checkCompletedNormally();
1063		}};
1064		testInvokeOnPool(singletonPool(), a);
1065		}
#	Line 911 | Line 1077 | public class ForkJoinTask8Test extends J
1077		assertSame(f, pollTask());
1078		helpQuiesce();
1079		checkNotDone(f);
1080	<	checkCompletedNormally(g);
1080	>	g.checkCompletedNormally();
1081		}};
1082		testInvokeOnPool(singletonPool(), a);
1083		}
#	Line 929 | Line 1095 | public class ForkJoinTask8Test extends J
1095		assertSame(g, peekNextLocalTask());
1096		assertNull(f.join());
1097		helpQuiesce();
1098	<	checkCompletedNormally(f);
1099	<	assertEquals(34, g.number);
934	<	checkCompletedNormally(g);
1098	>	f.checkCompletedNormally();
1099	>	g.checkCompletedNormally();
1100		}};
1101		testInvokeOnPool(asyncSingletonPool(), a);
1102		}
#	Line 949 | Line 1114 | public class ForkJoinTask8Test extends J
1114		assertSame(f, f.fork());
1115		assertSame(g, pollNextLocalTask());
1116		helpQuiesce();
1117	<	assertEquals(21, f.number);
953	<	checkCompletedNormally(f);
1117	>	f.checkCompletedNormally();
1118		checkNotDone(g);
1119		}};
1120		testInvokeOnPool(asyncSingletonPool(), a);
#	Line 969 | Line 1133 | public class ForkJoinTask8Test extends J
1133		assertSame(f, f.fork());
1134		assertSame(g, pollTask());
1135		helpQuiesce();
1136	<	assertEquals(21, f.number);
973	<	checkCompletedNormally(f);
1136	>	f.checkCompletedNormally();
1137		checkNotDone(g);
1138		}};
1139		testInvokeOnPool(asyncSingletonPool(), a);
1140		}
1141
979	–	// versions for singleton pools
980	–
981	–	/**
982	–	* invoke returns when task completes normally.
983	–	* isCompletedAbnormally and isCancelled return false for normally
984	–	* completed tasks; getRawResult returns null.
985	–	*/
986	–	public void testInvokeSingleton() {
987	–	RecursiveAction a = new CheckedRecursiveAction() {
988	–	protected void realCompute() {
989	–	AsyncFib f = new AsyncFib(8);
990	–	assertNull(f.invoke());
991	–	assertEquals(21, f.number);
992	–	checkCompletedNormally(f);
993	–	}};
994	–	testInvokeOnPool(singletonPool(), a);
995	–	}
996	–
997	–	/**
998	–	* quietlyInvoke task returns when task completes normally.
999	–	* isCompletedAbnormally and isCancelled return false for normally
1000	–	* completed tasks
1001	–	*/
1002	–	public void testQuietlyInvokeSingleton() {
1003	–	RecursiveAction a = new CheckedRecursiveAction() {
1004	–	protected void realCompute() {
1005	–	AsyncFib f = new AsyncFib(8);
1006	–	f.quietlyInvoke();
1007	–	assertEquals(21, f.number);
1008	–	checkCompletedNormally(f);
1009	–	}};
1010	–	testInvokeOnPool(singletonPool(), a);
1011	–	}
1012	–
1013	–	/**
1014	–	* join of a forked task returns when task completes
1015	–	*/
1016	–	public void testForkJoinSingleton() {
1017	–	RecursiveAction a = new CheckedRecursiveAction() {
1018	–	protected void realCompute() {
1019	–	AsyncFib f = new AsyncFib(8);
1020	–	assertSame(f, f.fork());
1021	–	assertNull(f.join());
1022	–	assertEquals(21, f.number);
1023	–	checkCompletedNormally(f);
1024	–	}};
1025	–	testInvokeOnPool(singletonPool(), a);
1026	–	}
1027	–
1028	–	/**
1029	–	* get of a forked task returns when task completes
1030	–	*/
1031	–	public void testForkGetSingleton() {
1032	–	RecursiveAction a = new CheckedRecursiveAction() {
1033	–	protected void realCompute() throws Exception {
1034	–	AsyncFib f = new AsyncFib(8);
1035	–	assertSame(f, f.fork());
1036	–	assertNull(f.get());
1037	–	assertEquals(21, f.number);
1038	–	checkCompletedNormally(f);
1039	–	}};
1040	–	testInvokeOnPool(singletonPool(), a);
1041	–	}
1042	–
1043	–	/**
1044	–	* timed get of a forked task returns when task completes
1045	–	*/
1046	–	public void testForkTimedGetSingleton() {
1047	–	RecursiveAction a = new CheckedRecursiveAction() {
1048	–	protected void realCompute() throws Exception {
1049	–	AsyncFib f = new AsyncFib(8);
1050	–	assertSame(f, f.fork());
1051	–	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1052	–	assertEquals(21, f.number);
1053	–	checkCompletedNormally(f);
1054	–	}};
1055	–	testInvokeOnPool(singletonPool(), a);
1056	–	}
1057	–
1058	–	/**
1059	–	* timed get with null time unit throws NPE
1060	–	*/
1061	–	public void testForkTimedGetNPESingleton() {
1062	–	RecursiveAction a = new CheckedRecursiveAction() {
1063	–	protected void realCompute() throws Exception {
1064	–	AsyncFib f = new AsyncFib(8);
1065	–	assertSame(f, f.fork());
1066	–	try {
1067	–	f.get(5L, null);
1068	–	shouldThrow();
1069	–	} catch (NullPointerException success) {}
1070	–	}};
1071	–	testInvokeOnPool(singletonPool(), a);
1072	–	}
1073	–
1074	–	/**
1075	–	* quietlyJoin of a forked task returns when task completes
1076	–	*/
1077	–	public void testForkQuietlyJoinSingleton() {
1078	–	RecursiveAction a = new CheckedRecursiveAction() {
1079	–	protected void realCompute() {
1080	–	AsyncFib f = new AsyncFib(8);
1081	–	assertSame(f, f.fork());
1082	–	f.quietlyJoin();
1083	–	assertEquals(21, f.number);
1084	–	checkCompletedNormally(f);
1085	–	}};
1086	–	testInvokeOnPool(singletonPool(), a);
1087	–	}
1088	–
1089	–	/**
1090	–	* helpQuiesce returns when tasks are complete.
1091	–	* getQueuedTaskCount returns 0 when quiescent
1092	–	*/
1093	–	public void testForkHelpQuiesceSingleton() {
1094	–	RecursiveAction a = new CheckedRecursiveAction() {
1095	–	protected void realCompute() {
1096	–	AsyncFib f = new AsyncFib(8);
1097	–	assertSame(f, f.fork());
1098	–	helpQuiesce();
1099	–	assertEquals(0, getQueuedTaskCount());
1100	–	assertEquals(21, f.number);
1101	–	checkCompletedNormally(f);
1102	–	}};
1103	–	testInvokeOnPool(singletonPool(), a);
1104	–	}
1105	–
1106	–	/**
1107	–	* invoke task throws exception when task completes abnormally
1108	–	*/
1109	–	public void testAbnormalInvokeSingleton() {
1110	–	RecursiveAction a = new CheckedRecursiveAction() {
1111	–	protected void realCompute() {
1112	–	FailingAsyncFib f = new FailingAsyncFib(8);
1113	–	try {
1114	–	f.invoke();
1115	–	shouldThrow();
1116	–	} catch (FJException success) {
1117	–	checkCompletedAbnormally(f, success);
1118	–	}
1119	–	}};
1120	–	testInvokeOnPool(singletonPool(), a);
1121	–	}
1122	–
1123	–	/**
1124	–	* quietlyInvoke task returns when task completes abnormally
1125	–	*/
1126	–	public void testAbnormalQuietlyInvokeSingleton() {
1127	–	RecursiveAction a = new CheckedRecursiveAction() {
1128	–	protected void realCompute() {
1129	–	FailingAsyncFib f = new FailingAsyncFib(8);
1130	–	f.quietlyInvoke();
1131	–	assertTrue(f.getException() instanceof FJException);
1132	–	checkCompletedAbnormally(f, f.getException());
1133	–	}};
1134	–	testInvokeOnPool(singletonPool(), a);
1135	–	}
1136	–
1137	–	/**
1138	–	* join of a forked task throws exception when task completes abnormally
1139	–	*/
1140	–	public void testAbnormalForkJoinSingleton() {
1141	–	RecursiveAction a = new CheckedRecursiveAction() {
1142	–	protected void realCompute() {
1143	–	FailingAsyncFib f = new FailingAsyncFib(8);
1144	–	assertSame(f, f.fork());
1145	–	try {
1146	–	f.join();
1147	–	shouldThrow();
1148	–	} catch (FJException success) {
1149	–	checkCompletedAbnormally(f, success);
1150	–	}
1151	–	}};
1152	–	testInvokeOnPool(singletonPool(), a);
1153	–	}
1154	–
1155	–	/**
1156	–	* get of a forked task throws exception when task completes abnormally
1157	–	*/
1158	–	public void testAbnormalForkGetSingleton() {
1159	–	RecursiveAction a = new CheckedRecursiveAction() {
1160	–	protected void realCompute() throws Exception {
1161	–	FailingAsyncFib f = new FailingAsyncFib(8);
1162	–	assertSame(f, f.fork());
1163	–	try {
1164	–	f.get();
1165	–	shouldThrow();
1166	–	} catch (ExecutionException success) {
1167	–	Throwable cause = success.getCause();
1168	–	assertTrue(cause instanceof FJException);
1169	–	checkCompletedAbnormally(f, cause);
1170	–	}
1171	–	}};
1172	–	testInvokeOnPool(singletonPool(), a);
1173	–	}
1174	–
1175	–	/**
1176	–	* timed get of a forked task throws exception when task completes abnormally
1177	–	*/
1178	–	public void testAbnormalForkTimedGetSingleton() {
1179	–	RecursiveAction a = new CheckedRecursiveAction() {
1180	–	protected void realCompute() throws Exception {
1181	–	FailingAsyncFib f = new FailingAsyncFib(8);
1182	–	assertSame(f, f.fork());
1183	–	try {
1184	–	f.get(LONG_DELAY_MS, MILLISECONDS);
1185	–	shouldThrow();
1186	–	} catch (ExecutionException success) {
1187	–	Throwable cause = success.getCause();
1188	–	assertTrue(cause instanceof FJException);
1189	–	checkCompletedAbnormally(f, cause);
1190	–	}
1191	–	}};
1192	–	testInvokeOnPool(singletonPool(), a);
1193	–	}
1194	–
1195	–	/**
1196	–	* quietlyJoin of a forked task returns when task completes abnormally
1197	–	*/
1198	–	public void testAbnormalForkQuietlyJoinSingleton() {
1199	–	RecursiveAction a = new CheckedRecursiveAction() {
1200	–	protected void realCompute() {
1201	–	FailingAsyncFib f = new FailingAsyncFib(8);
1202	–	assertSame(f, f.fork());
1203	–	f.quietlyJoin();
1204	–	assertTrue(f.getException() instanceof FJException);
1205	–	checkCompletedAbnormally(f, f.getException());
1206	–	}};
1207	–	testInvokeOnPool(singletonPool(), a);
1208	–	}
1209	–
1210	–	/**
1211	–	* invoke task throws exception after invoking completeExceptionally
1212	–	*/
1213	–	public void testCompleteExceptionallySingleton() {
1214	–	RecursiveAction a = new CheckedRecursiveAction() {
1215	–	protected void realCompute() {
1216	–	AsyncFib f = new AsyncFib(8);
1217	–	f.completeExceptionally(new FJException());
1218	–	try {
1219	–	f.invoke();
1220	–	shouldThrow();
1221	–	} catch (FJException success) {
1222	–	checkCompletedAbnormally(f, success);
1223	–	}
1224	–	}};
1225	–	testInvokeOnPool(singletonPool(), a);
1226	–	}
1227	–
1228	–	/**
1229	–	* invokeAll(t1, t2) invokes all task arguments
1230	–	*/
1231	–	public void testInvokeAll2Singleton() {
1232	–	RecursiveAction a = new CheckedRecursiveAction() {
1233	–	protected void realCompute() {
1234	–	AsyncFib f = new AsyncFib(8);
1235	–	AsyncFib g = new AsyncFib(9);
1236	–	invokeAll(f, g);
1237	–	assertEquals(21, f.number);
1238	–	assertEquals(34, g.number);
1239	–	checkCompletedNormally(f);
1240	–	checkCompletedNormally(g);
1241	–	}};
1242	–	testInvokeOnPool(singletonPool(), a);
1243	–	}
1244	–
1245	–	/**
1246	–	* invokeAll(tasks) with 1 argument invokes task
1247	–	*/
1248	–	public void testInvokeAll1Singleton() {
1249	–	RecursiveAction a = new CheckedRecursiveAction() {
1250	–	protected void realCompute() {
1251	–	AsyncFib f = new AsyncFib(8);
1252	–	invokeAll(f);
1253	–	checkCompletedNormally(f);
1254	–	assertEquals(21, f.number);
1255	–	}};
1256	–	testInvokeOnPool(singletonPool(), a);
1257	–	}
1258	–
1259	–	/**
1260	–	* invokeAll(tasks) with > 2 argument invokes tasks
1261	–	*/
1262	–	public void testInvokeAll3Singleton() {
1263	–	RecursiveAction a = new CheckedRecursiveAction() {
1264	–	protected void realCompute() {
1265	–	AsyncFib f = new AsyncFib(8);
1266	–	AsyncFib g = new AsyncFib(9);
1267	–	AsyncFib h = new AsyncFib(7);
1268	–	invokeAll(f, g, h);
1269	–	assertEquals(21, f.number);
1270	–	assertEquals(34, g.number);
1271	–	assertEquals(13, h.number);
1272	–	checkCompletedNormally(f);
1273	–	checkCompletedNormally(g);
1274	–	checkCompletedNormally(h);
1275	–	}};
1276	–	testInvokeOnPool(singletonPool(), a);
1277	–	}
1278	–
1279	–	/**
1280	–	* invokeAll(collection) invokes all tasks in the collection
1281	–	*/
1282	–	public void testInvokeAllCollectionSingleton() {
1283	–	RecursiveAction a = new CheckedRecursiveAction() {
1284	–	protected void realCompute() {
1285	–	AsyncFib f = new AsyncFib(8);
1286	–	AsyncFib g = new AsyncFib(9);
1287	–	AsyncFib h = new AsyncFib(7);
1288	–	HashSet set = new HashSet();
1289	–	set.add(f);
1290	–	set.add(g);
1291	–	set.add(h);
1292	–	invokeAll(set);
1293	–	assertEquals(21, f.number);
1294	–	assertEquals(34, g.number);
1295	–	assertEquals(13, h.number);
1296	–	checkCompletedNormally(f);
1297	–	checkCompletedNormally(g);
1298	–	checkCompletedNormally(h);
1299	–	}};
1300	–	testInvokeOnPool(singletonPool(), a);
1301	–	}
1302	–
1303	–	/**
1304	–	* invokeAll(tasks) with any null task throws NPE
1305	–	*/
1306	–	public void testInvokeAllNPESingleton() {
1307	–	RecursiveAction a = new CheckedRecursiveAction() {
1308	–	protected void realCompute() {
1309	–	AsyncFib f = new AsyncFib(8);
1310	–	AsyncFib g = new AsyncFib(9);
1311	–	AsyncFib h = null;
1312	–	try {
1313	–	invokeAll(f, g, h);
1314	–	shouldThrow();
1315	–	} catch (NullPointerException success) {}
1316	–	}};
1317	–	testInvokeOnPool(singletonPool(), a);
1318	–	}
1319	–
1320	–	/**
1321	–	* invokeAll(t1, t2) throw exception if any task does
1322	–	*/
1323	–	public void testAbnormalInvokeAll2Singleton() {
1324	–	RecursiveAction a = new CheckedRecursiveAction() {
1325	–	protected void realCompute() {
1326	–	AsyncFib f = new AsyncFib(8);
1327	–	FailingAsyncFib g = new FailingAsyncFib(9);
1328	–	try {
1329	–	invokeAll(f, g);
1330	–	shouldThrow();
1331	–	} catch (FJException success) {
1332	–	checkCompletedAbnormally(g, success);
1333	–	}
1334	–	}};
1335	–	testInvokeOnPool(singletonPool(), a);
1336	–	}
1337	–
1338	–	/**
1339	–	* invokeAll(tasks) with 1 argument throws exception if task does
1340	–	*/
1341	–	public void testAbnormalInvokeAll1Singleton() {
1342	–	RecursiveAction a = new CheckedRecursiveAction() {
1343	–	protected void realCompute() {
1344	–	FailingAsyncFib g = new FailingAsyncFib(9);
1345	–	try {
1346	–	invokeAll(g);
1347	–	shouldThrow();
1348	–	} catch (FJException success) {
1349	–	checkCompletedAbnormally(g, success);
1350	–	}
1351	–	}};
1352	–	testInvokeOnPool(singletonPool(), a);
1353	–	}
1354	–
1355	–	/**
1356	–	* invokeAll(tasks) with > 2 argument throws exception if any task does
1357	–	*/
1358	–	public void testAbnormalInvokeAll3Singleton() {
1359	–	RecursiveAction a = new CheckedRecursiveAction() {
1360	–	protected void realCompute() {
1361	–	AsyncFib f = new AsyncFib(8);
1362	–	FailingAsyncFib g = new FailingAsyncFib(9);
1363	–	AsyncFib h = new AsyncFib(7);
1364	–	try {
1365	–	invokeAll(f, g, h);
1366	–	shouldThrow();
1367	–	} catch (FJException success) {
1368	–	checkCompletedAbnormally(g, success);
1369	–	}
1370	–	}};
1371	–	testInvokeOnPool(singletonPool(), a);
1372	–	}
1373	–
1374	–	/**
1375	–	* invokeAll(collection) throws exception if any task does
1376	–	*/
1377	–	public void testAbnormalInvokeAllCollectionSingleton() {
1378	–	RecursiveAction a = new CheckedRecursiveAction() {
1379	–	protected void realCompute() {
1380	–	FailingAsyncFib f = new FailingAsyncFib(8);
1381	–	AsyncFib g = new AsyncFib(9);
1382	–	AsyncFib h = new AsyncFib(7);
1383	–	HashSet set = new HashSet();
1384	–	set.add(f);
1385	–	set.add(g);
1386	–	set.add(h);
1387	–	try {
1388	–	invokeAll(set);
1389	–	shouldThrow();
1390	–	} catch (FJException success) {
1391	–	checkCompletedAbnormally(f, success);
1392	–	}
1393	–	}};
1394	–	testInvokeOnPool(singletonPool(), a);
1395	–	}
1396	–
1142		/**
1143		* ForkJoinTask.quietlyComplete returns when task completes
1144		* normally without setting a value. The most recent value
#	Line 1415 | Line 1160 | public class ForkJoinTask8Test extends J
1160		testInvokeOnPool(mainPool(), a);
1161		}
1162
1163	+	// jdk9
1164	+
1165	+	/**
1166	+	* pollSubmission returns unexecuted submitted task, if present
1167	+	*/
1168	+	public void testPollSubmission() {
1169	+	final CountDownLatch done = new CountDownLatch(1);
1170	+	final ForkJoinTask a = ForkJoinTask.adapt(awaiter(done));
1171	+	final ForkJoinTask b = ForkJoinTask.adapt(awaiter(done));
1172	+	final ForkJoinTask c = ForkJoinTask.adapt(awaiter(done));
1173	+	final ForkJoinPool p = singletonPool();
1174	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1175	+	Thread external = new Thread(new CheckedRunnable() {
1176	+	public void realRun() {
1177	+	p.execute(a);
1178	+	p.execute(b);
1179	+	p.execute(c);
1180	+	}});
1181	+	RecursiveAction s = new CheckedRecursiveAction() {
1182	+	protected void realCompute() {
1183	+	external.start();
1184	+	try {
1185	+	external.join();
1186	+	} catch (Exception ex) {
1187	+	threadUnexpectedException(ex);
1188	+	}
1189	+	assertTrue(p.hasQueuedSubmissions());
1190	+	assertTrue(Thread.currentThread() instanceof ForkJoinWorkerThread);
1191	+	ForkJoinTask r = ForkJoinTask.pollSubmission();
1192	+	assertTrue(r == a || r == b || r == c);
1193	+	assertFalse(r.isDone());
1194	+	}};
1195	+	p.invoke(s);
1196	+	}
1197	+	}
1198	+
1199		}

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