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

Comparing jsr166/src/test/tck/ForkJoinTask8Test.java (file contents):
Revision 1.1 by dl, Sun Jul 21 22:24:18 2013 UTC vs.
Revision 1.28 by jsr166, Sat Mar 18 20:42:20 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	+
7	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.SECONDS;
9	+
10	+	import java.util.Arrays;
11	+	import java.util.concurrent.CountDownLatch;
12		import java.util.concurrent.ExecutionException;
7	–	import java.util.concurrent.CancellationException;
13		import java.util.concurrent.ForkJoinPool;
14		import java.util.concurrent.ForkJoinTask;
15		import java.util.concurrent.ForkJoinWorkerThread;
16		import java.util.concurrent.RecursiveAction;
12	–	import java.util.concurrent.TimeUnit;
17		import java.util.concurrent.TimeoutException;
18	<	import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
19	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
20	<	import static java.util.concurrent.TimeUnit.SECONDS;
17	<	import java.util.HashSet;
18	<	import junit.framework.*;
18	>
19	>	import junit.framework.Test;
20	>	import junit.framework.TestSuite;
21
22		public class ForkJoinTask8Test extends JSR166TestCase {
23
#	Line 32 | Line 34 | public class ForkJoinTask8Test extends J
34		static final short INITIAL_STATE = -1;
35		static final short COMPLETE_STATE = 0;
36		static final short EXCEPTION_STATE = 1;
35	–
37
38		public static void main(String[] args) {
39	<	junit.textui.TestRunner.run(suite());
39	>	main(suite(), args);
40		}
41
42		public static Test suite() {
#	Line 60 | Line 61 | public class ForkJoinTask8Test extends J
61		null, true);
62		}
63
64	+	// Compute fib naively and efficiently
65	+	final int[] fib;
66	+	{
67	+	int[] fib = new int[10];
68	+	fib[0] = 0;
69	+	fib[1] = 1;
70	+	for (int i = 2; i < fib.length; i++)
71	+	fib[i] = fib[i - 1] + fib[i - 2];
72	+	this.fib = fib;
73	+	}
74	+
75		private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
76	<	try {
76	>	try (PoolCleaner cleaner = cleaner(pool)) {
77		assertFalse(a.isDone());
78		assertFalse(a.isCompletedNormally());
79		assertFalse(a.isCompletedAbnormally());
#	Line 77 | Line 89 | public class ForkJoinTask8Test extends J
89		assertFalse(a.isCancelled());
90		assertNull(a.getException());
91		assertNull(a.getRawResult());
80	–	} finally {
81	–	joinPool(pool);
92		}
93		}
94
#	Line 90 | Line 100 | public class ForkJoinTask8Test extends J
100		assertNull(a.getException());
101		assertNull(a.getRawResult());
102		if (a instanceof BinaryAsyncAction)
103	<	assertTrue(((BinaryAsyncAction)a).getForkJoinTaskTag() == INITIAL_STATE);
103	>	assertEquals(INITIAL_STATE,
104	>	((BinaryAsyncAction)a).getForkJoinTaskTag());
105
106		try {
107		a.get(0L, SECONDS);
#	Line 111 | Line 122 | public class ForkJoinTask8Test extends J
122		assertNull(a.getException());
123		assertSame(expected, a.getRawResult());
124		if (a instanceof BinaryAsyncAction)
125	<	assertTrue(((BinaryAsyncAction)a).getForkJoinTaskTag() == COMPLETE_STATE);
125	>	assertEquals(COMPLETE_STATE,
126	>	((BinaryAsyncAction)a).getForkJoinTaskTag());
127
128		{
129		Thread.currentThread().interrupt();
130	<	long t0 = System.nanoTime();
130	>	long startTime = System.nanoTime();
131		assertSame(expected, a.join());
132	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
132	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
133		Thread.interrupted();
134		}
135
136		{
137		Thread.currentThread().interrupt();
138	<	long t0 = System.nanoTime();
138	>	long startTime = System.nanoTime();
139		a.quietlyJoin();        // should be no-op
140	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
140	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
141		Thread.interrupted();
142		}
143
#	Line 161 | Line 173 | public class ForkJoinTask8Test extends J
173		Thread.interrupted();
174
175		{
176	<	long t0 = System.nanoTime();
176	>	long startTime = System.nanoTime();
177		a.quietlyJoin();        // should be no-op
178	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
178	>	assertTrue(millisElapsedSince(startTime) < SMALL_DELAY_MS);
179		}
180
181		try {
#	Line 181 | Line 193 | public class ForkJoinTask8Test extends J
193		} catch (Throwable fail) { threadUnexpectedException(fail); }
194		}
195
184	–
196		public static final class FJException extends RuntimeException {
197		FJException() { super(); }
198		}
199
200		abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
201
202	<	private BinaryAsyncAction parent;
202	>	private volatile BinaryAsyncAction parent;
203
204	<	private BinaryAsyncAction sibling;
204	>	private volatile BinaryAsyncAction sibling;
205
206		protected BinaryAsyncAction() {
207		setForkJoinTaskTag(INITIAL_STATE);
#	Line 206 | Line 217 | public class ForkJoinTask8Test extends J
217		}
218
219		protected void onComplete(BinaryAsyncAction x, BinaryAsyncAction y) {
220	<	if (this.getForkJoinTaskTag() != COMPLETE_STATE ||
221	<	x.getForkJoinTaskTag() != COMPLETE_STATE ||
220	>	if (this.getForkJoinTaskTag() != COMPLETE_STATE ||
221	>	x.getForkJoinTaskTag() != COMPLETE_STATE ||
222		y.getForkJoinTaskTag() != COMPLETE_STATE) {
223		completeThisExceptionally(new FJException());
224		}
#	Line 233 | Line 244 | public class ForkJoinTask8Test extends J
244		super.completeExceptionally(ex);
245		}
246
247	+	public boolean cancel(boolean mayInterruptIfRunning) {
248	+	if (super.cancel(mayInterruptIfRunning)) {
249	+	completeExceptionally(new FJException());
250	+	return true;
251	+	}
252	+	return false;
253	+	}
254	+
255		public final void complete() {
256		BinaryAsyncAction a = this;
257		for (;;) {
#	Line 241 | Line 260 | public class ForkJoinTask8Test extends J
260		a.sibling = null;
261		a.parent = null;
262		a.completeThis();
263	<	if (p == null ||
263	>	if (p == null ||
264		p.compareAndSetForkJoinTaskTag(INITIAL_STATE, COMPLETE_STATE))
265		break;
266		try {
#	Line 255 | Line 274 | public class ForkJoinTask8Test extends J
274		}
275
276		public final void completeExceptionally(Throwable ex) {
277	<	BinaryAsyncAction a = this;
259	<	while (!a.isCompletedAbnormally()) {
277	>	for (BinaryAsyncAction a = this;;) {
278		a.completeThisExceptionally(ex);
279		BinaryAsyncAction s = a.sibling;
280	<	if (s != null)
281	<	s.cancel(false);
282	<	if (!a.onException() || (a = a.parent) == null)
280	>	if (s != null && !s.isDone())
281	>	s.completeExceptionally(ex);
282	>	if ((a = a.parent) == null)
283		break;
284		}
285		}
#	Line 279 | Line 297 | public class ForkJoinTask8Test extends J
297		super.reinitialize();
298		}
299
282	–
300		}
301
302	<	static final class AsyncFib extends BinaryAsyncAction {
302	>	final class AsyncFib extends BinaryAsyncAction {
303		int number;
304	<	public AsyncFib(int n) {
305	<	this.number = n;
304	>	int expectedResult;
305	>	public AsyncFib(int number) {
306	>	this.number = number;
307	>	this.expectedResult = fib[number];
308		}
309
310		public final boolean exec() {
311		try {
312		AsyncFib f = this;
313		int n = f.number;
314	<	if (n > 1) {
315	<	while (n > 1) {
316	<	AsyncFib p = f;
317	<	AsyncFib r = new AsyncFib(n - 2);
318	<	f = new AsyncFib(--n);
319	<	p.linkSubtasks(r, f);
301	<	r.fork();
302	<	}
303	<	f.number = n;
314	>	while (n > 1) {
315	>	AsyncFib p = f;
316	>	AsyncFib r = new AsyncFib(n - 2);
317	>	f = new AsyncFib(--n);
318	>	p.linkSubtasks(r, f);
319	>	r.fork();
320		}
321		f.complete();
322		}
323	<	catch(Throwable ex) {
323	>	catch (Throwable ex) {
324		compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
325		}
326	+	if (getForkJoinTaskTag() == EXCEPTION_STATE)
327	+	throw new FJException();
328		return false;
329		}
330
#	Line 314 | Line 332 | public class ForkJoinTask8Test extends J
332		number = ((AsyncFib)x).number + ((AsyncFib)y).number;
333		super.onComplete(x, y);
334		}
335	+
336	+	public void checkCompletedNormally() {
337	+	assertEquals(expectedResult, number);
338	+	ForkJoinTask8Test.this.checkCompletedNormally(this);
339	+	}
340		}
341
342		static final class FailingAsyncFib extends BinaryAsyncAction {
#	Line 323 | Line 346 | public class ForkJoinTask8Test extends J
346		}
347
348		public final boolean exec() {
349	<	FailingAsyncFib f = this;
350	<	int n = f.number;
351	<	if (n > 1) {
349	>	try {
350	>	FailingAsyncFib f = this;
351	>	int n = f.number;
352		while (n > 1) {
353		FailingAsyncFib p = f;
354		FailingAsyncFib r = new FailingAsyncFib(n - 2);
#	Line 333 | Line 356 | public class ForkJoinTask8Test extends J
356		p.linkSubtasks(r, f);
357		r.fork();
358		}
359	<	f.number = n;
359	>	f.complete();
360		}
361	<	f.complete();
361	>	catch (Throwable ex) {
362	>	compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
363	>	}
364	>	if (getForkJoinTaskTag() == EXCEPTION_STATE)
365	>	throw new FJException();
366		return false;
367		}
368
#	Line 350 | Line 377 | public class ForkJoinTask8Test extends J
377		* completed tasks; getRawResult returns null.
378		*/
379		public void testInvoke() {
380	+	testInvoke(mainPool());
381	+	}
382	+	public void testInvoke_Singleton() {
383	+	testInvoke(singletonPool());
384	+	}
385	+	public void testInvoke(ForkJoinPool pool) {
386		RecursiveAction a = new CheckedRecursiveAction() {
387		protected void realCompute() {
388		AsyncFib f = new AsyncFib(8);
389		assertNull(f.invoke());
390	<	assertEquals(21, f.number);
358	<	checkCompletedNormally(f);
390	>	f.checkCompletedNormally();
391		}};
392	<	testInvokeOnPool(mainPool(), a);
392	>	testInvokeOnPool(pool, a);
393		}
394
395		/**
#	Line 366 | Line 398 | public class ForkJoinTask8Test extends J
398		* completed tasks
399		*/
400		public void testQuietlyInvoke() {
401	+	testQuietlyInvoke(mainPool());
402	+	}
403	+	public void testQuietlyInvoke_Singleton() {
404	+	testQuietlyInvoke(singletonPool());
405	+	}
406	+	public void testQuietlyInvoke(ForkJoinPool pool) {
407		RecursiveAction a = new CheckedRecursiveAction() {
408		protected void realCompute() {
409		AsyncFib f = new AsyncFib(8);
410		f.quietlyInvoke();
411	<	assertEquals(21, f.number);
374	<	checkCompletedNormally(f);
411	>	f.checkCompletedNormally();
412		}};
413	<	testInvokeOnPool(mainPool(), a);
413	>	testInvokeOnPool(pool, a);
414		}
415
416		/**
417		* join of a forked task returns when task completes
418		*/
419		public void testForkJoin() {
420	+	testForkJoin(mainPool());
421	+	}
422	+	public void testForkJoin_Singleton() {
423	+	testForkJoin(singletonPool());
424	+	}
425	+	public void testForkJoin(ForkJoinPool pool) {
426		RecursiveAction a = new CheckedRecursiveAction() {
427		protected void realCompute() {
428		AsyncFib f = new AsyncFib(8);
429		assertSame(f, f.fork());
430		assertNull(f.join());
431	<	assertEquals(21, f.number);
389	<	checkCompletedNormally(f);
431	>	f.checkCompletedNormally();
432		}};
433	<	testInvokeOnPool(mainPool(), a);
433	>	testInvokeOnPool(pool, a);
434		}
435
436		/**
437		* get of a forked task returns when task completes
438		*/
439		public void testForkGet() {
440	+	testForkGet(mainPool());
441	+	}
442	+	public void testForkGet_Singleton() {
443	+	testForkGet(singletonPool());
444	+	}
445	+	public void testForkGet(ForkJoinPool pool) {
446		RecursiveAction a = new CheckedRecursiveAction() {
447		protected void realCompute() throws Exception {
448		AsyncFib f = new AsyncFib(8);
449		assertSame(f, f.fork());
450		assertNull(f.get());
451	<	assertEquals(21, f.number);
404	<	checkCompletedNormally(f);
451	>	f.checkCompletedNormally();
452		}};
453	<	testInvokeOnPool(mainPool(), a);
453	>	testInvokeOnPool(pool, a);
454		}
455
456		/**
457		* timed get of a forked task returns when task completes
458		*/
459		public void testForkTimedGet() {
460	+	testForkTimedGet(mainPool());
461	+	}
462	+	public void testForkTimedGet_Singleton() {
463	+	testForkTimedGet(singletonPool());
464	+	}
465	+	public void testForkTimedGet(ForkJoinPool pool) {
466		RecursiveAction a = new CheckedRecursiveAction() {
467		protected void realCompute() throws Exception {
468		AsyncFib f = new AsyncFib(8);
469		assertSame(f, f.fork());
470		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
471	<	assertEquals(21, f.number);
419	<	checkCompletedNormally(f);
471	>	f.checkCompletedNormally();
472		}};
473	<	testInvokeOnPool(mainPool(), a);
473	>	testInvokeOnPool(pool, a);
474		}
475
476		/**
477	<	* timed get with null time unit throws NPE
477	>	* timed get with null time unit throws NullPointerException
478		*/
479	<	public void testForkTimedGetNPE() {
479	>	public void testForkTimedGetNullTimeUnit() {
480	>	testForkTimedGetNullTimeUnit(mainPool());
481	>	}
482	>	public void testForkTimedGetNullTimeUnit_Singleton() {
483	>	testForkTimedGet(singletonPool());
484	>	}
485	>	public void testForkTimedGetNullTimeUnit(ForkJoinPool pool) {
486		RecursiveAction a = new CheckedRecursiveAction() {
487		protected void realCompute() throws Exception {
488		AsyncFib f = new AsyncFib(8);
#	Line 434 | Line 492 | public class ForkJoinTask8Test extends J
492		shouldThrow();
493		} catch (NullPointerException success) {}
494		}};
495	<	testInvokeOnPool(mainPool(), a);
495	>	testInvokeOnPool(pool, a);
496		}
497
498		/**
499		* quietlyJoin of a forked task returns when task completes
500		*/
501		public void testForkQuietlyJoin() {
502	+	testForkQuietlyJoin(mainPool());
503	+	}
504	+	public void testForkQuietlyJoin_Singleton() {
505	+	testForkQuietlyJoin(singletonPool());
506	+	}
507	+	public void testForkQuietlyJoin(ForkJoinPool pool) {
508		RecursiveAction a = new CheckedRecursiveAction() {
509		protected void realCompute() {
510		AsyncFib f = new AsyncFib(8);
511		assertSame(f, f.fork());
512		f.quietlyJoin();
513	<	assertEquals(21, f.number);
450	<	checkCompletedNormally(f);
513	>	f.checkCompletedNormally();
514		}};
515	<	testInvokeOnPool(mainPool(), a);
515	>	testInvokeOnPool(pool, a);
516		}
517
518		/**
#	Line 457 | Line 520 | public class ForkJoinTask8Test extends J
520		* getQueuedTaskCount returns 0 when quiescent
521		*/
522		public void testForkHelpQuiesce() {
523	+	testForkHelpQuiesce(mainPool());
524	+	}
525	+	public void testForkHelpQuiesce_Singleton() {
526	+	testForkHelpQuiesce(singletonPool());
527	+	}
528	+	public void testForkHelpQuiesce(ForkJoinPool pool) {
529		RecursiveAction a = new CheckedRecursiveAction() {
530		protected void realCompute() {
531		AsyncFib f = new AsyncFib(8);
532		assertSame(f, f.fork());
533		helpQuiesce();
465	–	assertEquals(21, f.number);
534		assertEquals(0, getQueuedTaskCount());
535	<	checkCompletedNormally(f);
535	>	f.checkCompletedNormally();
536		}};
537	<	testInvokeOnPool(mainPool(), a);
537	>	testInvokeOnPool(pool, a);
538		}
539
540		/**
541		* invoke task throws exception when task completes abnormally
542		*/
543		public void testAbnormalInvoke() {
544	+	testAbnormalInvoke(mainPool());
545	+	}
546	+	public void testAbnormalInvoke_Singleton() {
547	+	testAbnormalInvoke(singletonPool());
548	+	}
549	+	public void testAbnormalInvoke(ForkJoinPool pool) {
550		RecursiveAction a = new CheckedRecursiveAction() {
551		protected void realCompute() {
552		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 483 | Line 557 | public class ForkJoinTask8Test extends J
557		checkCompletedAbnormally(f, success);
558		}
559		}};
560	<	testInvokeOnPool(mainPool(), a);
560	>	testInvokeOnPool(pool, a);
561		}
562
563		/**
564		* quietlyInvoke task returns when task completes abnormally
565		*/
566		public void testAbnormalQuietlyInvoke() {
567	+	testAbnormalQuietlyInvoke(mainPool());
568	+	}
569	+	public void testAbnormalQuietlyInvoke_Singleton() {
570	+	testAbnormalQuietlyInvoke(singletonPool());
571	+	}
572	+	public void testAbnormalQuietlyInvoke(ForkJoinPool pool) {
573		RecursiveAction a = new CheckedRecursiveAction() {
574		protected void realCompute() {
575		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 497 | Line 577 | public class ForkJoinTask8Test extends J
577		assertTrue(f.getException() instanceof FJException);
578		checkCompletedAbnormally(f, f.getException());
579		}};
580	<	testInvokeOnPool(mainPool(), a);
580	>	testInvokeOnPool(pool, a);
581		}
582
583		/**
584		* join of a forked task throws exception when task completes abnormally
585		*/
586		public void testAbnormalForkJoin() {
587	+	testAbnormalForkJoin(mainPool());
588	+	}
589	+	public void testAbnormalForkJoin_Singleton() {
590	+	testAbnormalForkJoin(singletonPool());
591	+	}
592	+	public void testAbnormalForkJoin(ForkJoinPool pool) {
593		RecursiveAction a = new CheckedRecursiveAction() {
594		protected void realCompute() {
595		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 515 | Line 601 | public class ForkJoinTask8Test extends J
601		checkCompletedAbnormally(f, success);
602		}
603		}};
604	<	testInvokeOnPool(mainPool(), a);
604	>	testInvokeOnPool(pool, a);
605		}
606
607		/**
608		* get of a forked task throws exception when task completes abnormally
609		*/
610		public void testAbnormalForkGet() {
611	+	testAbnormalForkGet(mainPool());
612	+	}
613	+	public void testAbnormalForkGet_Singleton() {
614	+	testAbnormalForkJoin(singletonPool());
615	+	}
616	+	public void testAbnormalForkGet(ForkJoinPool pool) {
617		RecursiveAction a = new CheckedRecursiveAction() {
618		protected void realCompute() throws Exception {
619		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 535 | Line 627 | public class ForkJoinTask8Test extends J
627		checkCompletedAbnormally(f, cause);
628		}
629		}};
630	<	testInvokeOnPool(mainPool(), a);
630	>	testInvokeOnPool(pool, a);
631		}
632
633		/**
634		* timed get of a forked task throws exception when task completes abnormally
635		*/
636		public void testAbnormalForkTimedGet() {
637	+	testAbnormalForkTimedGet(mainPool());
638	+	}
639	+	public void testAbnormalForkTimedGet_Singleton() {
640	+	testAbnormalForkTimedGet(singletonPool());
641	+	}
642	+	public void testAbnormalForkTimedGet(ForkJoinPool pool) {
643		RecursiveAction a = new CheckedRecursiveAction() {
644		protected void realCompute() throws Exception {
645		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 555 | Line 653 | public class ForkJoinTask8Test extends J
653		checkCompletedAbnormally(f, cause);
654		}
655		}};
656	<	testInvokeOnPool(mainPool(), a);
656	>	testInvokeOnPool(pool, a);
657		}
658
659		/**
660		* quietlyJoin of a forked task returns when task completes abnormally
661		*/
662		public void testAbnormalForkQuietlyJoin() {
663	+	testAbnormalForkQuietlyJoin(mainPool());
664	+	}
665	+	public void testAbnormalForkQuietlyJoin_Singleton() {
666	+	testAbnormalForkQuietlyJoin(singletonPool());
667	+	}
668	+	public void testAbnormalForkQuietlyJoin(ForkJoinPool pool) {
669		RecursiveAction a = new CheckedRecursiveAction() {
670		protected void realCompute() {
671		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 570 | Line 674 | public class ForkJoinTask8Test extends J
674		assertTrue(f.getException() instanceof FJException);
675		checkCompletedAbnormally(f, f.getException());
676		}};
677	<	testInvokeOnPool(mainPool(), a);
677	>	testInvokeOnPool(pool, a);
678		}
679
576	–
680		/**
681		* getPool of executing task returns its pool
682		*/
683		public void testGetPool() {
684	<	final ForkJoinPool mainPool = mainPool();
684	>	testGetPool(mainPool());
685	>	}
686	>	public void testGetPool_Singleton() {
687	>	testGetPool(singletonPool());
688	>	}
689	>	public void testGetPool(ForkJoinPool pool) {
690		RecursiveAction a = new CheckedRecursiveAction() {
691		protected void realCompute() {
692	<	assertSame(mainPool, getPool());
692	>	assertSame(pool, getPool());
693		}};
694	<	testInvokeOnPool(mainPool, a);
694	>	testInvokeOnPool(pool, a);
695		}
696
697		/**
#	Line 601 | Line 709 | public class ForkJoinTask8Test extends J
709		* inForkJoinPool of executing task returns true
710		*/
711		public void testInForkJoinPool() {
712	+	testInForkJoinPool(mainPool());
713	+	}
714	+	public void testInForkJoinPool_Singleton() {
715	+	testInForkJoinPool(singletonPool());
716	+	}
717	+	public void testInForkJoinPool(ForkJoinPool pool) {
718		RecursiveAction a = new CheckedRecursiveAction() {
719		protected void realCompute() {
720		assertTrue(inForkJoinPool());
721		}};
722	<	testInvokeOnPool(mainPool(), a);
722	>	testInvokeOnPool(pool, a);
723		}
724
725		/**
#	Line 635 | Line 749 | public class ForkJoinTask8Test extends J
749		* invoke task throws exception after invoking completeExceptionally
750		*/
751		public void testCompleteExceptionally() {
752	+	testCompleteExceptionally(mainPool());
753	+	}
754	+	public void testCompleteExceptionally_Singleton() {
755	+	testCompleteExceptionally(singletonPool());
756	+	}
757	+	public void testCompleteExceptionally(ForkJoinPool pool) {
758		RecursiveAction a = new CheckedRecursiveAction() {
759		protected void realCompute() {
760		AsyncFib f = new AsyncFib(8);
#	Line 646 | Line 766 | public class ForkJoinTask8Test extends J
766		checkCompletedAbnormally(f, success);
767		}
768		}};
769	<	testInvokeOnPool(mainPool(), a);
769	>	testInvokeOnPool(pool, a);
770		}
771
772		/**
773	<	* invokeAll(t1, t2) invokes all task arguments
773	>	* invokeAll(tasks) with 1 argument invokes task
774		*/
775	<	public void testInvokeAll2() {
775	>	public void testInvokeAll1() {
776	>	testInvokeAll1(mainPool());
777	>	}
778	>	public void testInvokeAll1_Singleton() {
779	>	testInvokeAll1(singletonPool());
780	>	}
781	>	public void testInvokeAll1(ForkJoinPool pool) {
782		RecursiveAction a = new CheckedRecursiveAction() {
783		protected void realCompute() {
784		AsyncFib f = new AsyncFib(8);
785	<	AsyncFib g = new AsyncFib(9);
786	<	invokeAll(f, g);
661	<	assertEquals(21, f.number);
662	<	assertEquals(34, g.number);
663	<	checkCompletedNormally(f);
664	<	checkCompletedNormally(g);
785	>	invokeAll(f);
786	>	f.checkCompletedNormally();
787		}};
788	<	testInvokeOnPool(mainPool(), a);
788	>	testInvokeOnPool(pool, a);
789		}
790
791		/**
792	<	* invokeAll(tasks) with 1 argument invokes task
792	>	* invokeAll(t1, t2) invokes all task arguments
793		*/
794	<	public void testInvokeAll1() {
794	>	public void testInvokeAll2() {
795	>	testInvokeAll2(mainPool());
796	>	}
797	>	public void testInvokeAll2_Singleton() {
798	>	testInvokeAll2(singletonPool());
799	>	}
800	>	public void testInvokeAll2(ForkJoinPool pool) {
801		RecursiveAction a = new CheckedRecursiveAction() {
802		protected void realCompute() {
803	<	AsyncFib f = new AsyncFib(8);
804	<	invokeAll(f);
805	<	checkCompletedNormally(f);
806	<	assertEquals(21, f.number);
803	>	AsyncFib[] tasks = {
804	>	new AsyncFib(8),
805	>	new AsyncFib(9),
806	>	};
807	>	invokeAll(tasks[0], tasks[1]);
808	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
809	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
810		}};
811	<	testInvokeOnPool(mainPool(), a);
811	>	testInvokeOnPool(pool, a);
812		}
813
814		/**
815		* invokeAll(tasks) with > 2 argument invokes tasks
816		*/
817		public void testInvokeAll3() {
818	+	testInvokeAll3(mainPool());
819	+	}
820	+	public void testInvokeAll3_Singleton() {
821	+	testInvokeAll3(singletonPool());
822	+	}
823	+	public void testInvokeAll3(ForkJoinPool pool) {
824		RecursiveAction a = new CheckedRecursiveAction() {
825		protected void realCompute() {
826	<	AsyncFib f = new AsyncFib(8);
827	<	AsyncFib g = new AsyncFib(9);
828	<	AsyncFib h = new AsyncFib(7);
829	<	invokeAll(f, g, h);
830	<	assertEquals(21, f.number);
831	<	assertEquals(34, g.number);
832	<	assertEquals(13, h.number);
833	<	checkCompletedNormally(f);
697	<	checkCompletedNormally(g);
698	<	checkCompletedNormally(h);
826	>	AsyncFib[] tasks = {
827	>	new AsyncFib(8),
828	>	new AsyncFib(9),
829	>	new AsyncFib(7),
830	>	};
831	>	invokeAll(tasks[0], tasks[1], tasks[2]);
832	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
833	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
834		}};
835	<	testInvokeOnPool(mainPool(), a);
835	>	testInvokeOnPool(pool, a);
836		}
837
838		/**
839		* invokeAll(collection) invokes all tasks in the collection
840		*/
841		public void testInvokeAllCollection() {
842	+	testInvokeAllCollection(mainPool());
843	+	}
844	+	public void testInvokeAllCollection_Singleton() {
845	+	testInvokeAllCollection(singletonPool());
846	+	}
847	+	public void testInvokeAllCollection(ForkJoinPool pool) {
848		RecursiveAction a = new CheckedRecursiveAction() {
849		protected void realCompute() {
850	<	AsyncFib f = new AsyncFib(8);
851	<	AsyncFib g = new AsyncFib(9);
852	<	AsyncFib h = new AsyncFib(7);
853	<	HashSet set = new HashSet();
854	<	set.add(f);
855	<	set.add(g);
856	<	set.add(h);
857	<	invokeAll(set);
717	<	assertEquals(21, f.number);
718	<	assertEquals(34, g.number);
719	<	assertEquals(13, h.number);
720	<	checkCompletedNormally(f);
721	<	checkCompletedNormally(g);
722	<	checkCompletedNormally(h);
850	>	AsyncFib[] tasks = {
851	>	new AsyncFib(8),
852	>	new AsyncFib(9),
853	>	new AsyncFib(7),
854	>	};
855	>	invokeAll(Arrays.asList(tasks));
856	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
857	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
858		}};
859	<	testInvokeOnPool(mainPool(), a);
859	>	testInvokeOnPool(pool, a);
860		}
861
862		/**
863	<	* invokeAll(tasks) with any null task throws NPE
863	>	* invokeAll(tasks) with any null task throws NullPointerException
864		*/
865	<	public void testInvokeAllNPE() {
865	>	public void testInvokeAllNullTask() {
866	>	testInvokeAllNullTask(mainPool());
867	>	}
868	>	public void testInvokeAllNullTask_Singleton() {
869	>	testInvokeAllNullTask(singletonPool());
870	>	}
871	>	public void testInvokeAllNullTask(ForkJoinPool pool) {
872		RecursiveAction a = new CheckedRecursiveAction() {
873		protected void realCompute() {
874	<	AsyncFib f = new AsyncFib(8);
875	<	AsyncFib g = new AsyncFib(9);
876	<	AsyncFib h = null;
877	<	try {
878	<	invokeAll(f, g, h);
879	<	shouldThrow();
880	<	} catch (NullPointerException success) {}
874	>	AsyncFib nul = null;
875	>	Runnable[] throwingActions = {
876	>	() -> invokeAll(nul),
877	>	() -> invokeAll(nul, nul),
878	>	() -> invokeAll(new AsyncFib(8), new AsyncFib(9), nul),
879	>	() -> invokeAll(new AsyncFib(8), nul, new AsyncFib(9)),
880	>	() -> invokeAll(nul, new AsyncFib(8), new AsyncFib(9)),
881	>	};
882	>	assertThrows(NullPointerException.class, throwingActions);
883		}};
884	<	testInvokeOnPool(mainPool(), a);
884	>	testInvokeOnPool(pool, a);
885		}
886
887		/**
888	<	* invokeAll(t1, t2) throw exception if any task does
888	>	* invokeAll(tasks) with 1 argument throws exception if task does
889		*/
890	<	public void testAbnormalInvokeAll2() {
890	>	public void testAbnormalInvokeAll1() {
891	>	testAbnormalInvokeAll1(mainPool());
892	>	}
893	>	public void testAbnormalInvokeAll1_Singleton() {
894	>	testAbnormalInvokeAll1(singletonPool());
895	>	}
896	>	public void testAbnormalInvokeAll1(ForkJoinPool pool) {
897		RecursiveAction a = new CheckedRecursiveAction() {
898		protected void realCompute() {
750	–	AsyncFib f = new AsyncFib(8);
899		FailingAsyncFib g = new FailingAsyncFib(9);
900		try {
901	<	invokeAll(f, g);
901	>	invokeAll(g);
902		shouldThrow();
903		} catch (FJException success) {
904		checkCompletedAbnormally(g, success);
905		}
906		}};
907	<	testInvokeOnPool(mainPool(), a);
907	>	testInvokeOnPool(pool, a);
908		}
909
910		/**
911	<	* invokeAll(tasks) with 1 argument throws exception if task does
911	>	* invokeAll(t1, t2) throw exception if any task does
912		*/
913	<	public void testAbnormalInvokeAll1() {
913	>	public void testAbnormalInvokeAll2() {
914	>	testAbnormalInvokeAll2(mainPool());
915	>	}
916	>	public void testAbnormalInvokeAll2_Singleton() {
917	>	testAbnormalInvokeAll2(singletonPool());
918	>	}
919	>	public void testAbnormalInvokeAll2(ForkJoinPool pool) {
920		RecursiveAction a = new CheckedRecursiveAction() {
921		protected void realCompute() {
922	+	AsyncFib f = new AsyncFib(8);
923		FailingAsyncFib g = new FailingAsyncFib(9);
924	+	ForkJoinTask[] tasks = { f, g };
925	+	shuffle(tasks);
926		try {
927	<	invokeAll(g);
927	>	invokeAll(tasks[0], tasks[1]);
928		shouldThrow();
929		} catch (FJException success) {
930		checkCompletedAbnormally(g, success);
931		}
932		}};
933	<	testInvokeOnPool(mainPool(), a);
933	>	testInvokeOnPool(pool, a);
934		}
935
936		/**
937		* invokeAll(tasks) with > 2 argument throws exception if any task does
938		*/
939		public void testAbnormalInvokeAll3() {
940	+	testAbnormalInvokeAll3(mainPool());
941	+	}
942	+	public void testAbnormalInvokeAll3_Singleton() {
943	+	testAbnormalInvokeAll3(singletonPool());
944	+	}
945	+	public void testAbnormalInvokeAll3(ForkJoinPool pool) {
946		RecursiveAction a = new CheckedRecursiveAction() {
947		protected void realCompute() {
948		AsyncFib f = new AsyncFib(8);
949		FailingAsyncFib g = new FailingAsyncFib(9);
950		AsyncFib h = new AsyncFib(7);
951	+	ForkJoinTask[] tasks = { f, g, h };
952	+	shuffle(tasks);
953		try {
954	<	invokeAll(f, g, h);
954	>	invokeAll(tasks[0], tasks[1], tasks[2]);
955		shouldThrow();
956		} catch (FJException success) {
957		checkCompletedAbnormally(g, success);
958		}
959		}};
960	<	testInvokeOnPool(mainPool(), a);
960	>	testInvokeOnPool(pool, a);
961		}
962
963		/**
964	<	* invokeAll(collection)  throws exception if any task does
964	>	* invokeAll(collection) throws exception if any task does
965		*/
966		public void testAbnormalInvokeAllCollection() {
967	+	testAbnormalInvokeAllCollection(mainPool());
968	+	}
969	+	public void testAbnormalInvokeAllCollection_Singleton() {
970	+	testAbnormalInvokeAllCollection(singletonPool());
971	+	}
972	+	public void testAbnormalInvokeAllCollection(ForkJoinPool pool) {
973		RecursiveAction a = new CheckedRecursiveAction() {
974		protected void realCompute() {
975		FailingAsyncFib f = new FailingAsyncFib(8);
976		AsyncFib g = new AsyncFib(9);
977		AsyncFib h = new AsyncFib(7);
978	<	HashSet set = new HashSet();
979	<	set.add(f);
809	<	set.add(g);
810	<	set.add(h);
978	>	ForkJoinTask[] tasks = { f, g, h };
979	>	shuffle(tasks);
980		try {
981	<	invokeAll(set);
981	>	invokeAll(Arrays.asList(tasks));
982		shouldThrow();
983		} catch (FJException success) {
984		checkCompletedAbnormally(f, success);
985		}
986		}};
987	<	testInvokeOnPool(mainPool(), a);
987	>	testInvokeOnPool(pool, a);
988		}
989
990		/**
#	Line 832 | Line 1001 | public class ForkJoinTask8Test extends J
1001		assertTrue(f.tryUnfork());
1002		helpQuiesce();
1003		checkNotDone(f);
1004	<	checkCompletedNormally(g);
1004	>	g.checkCompletedNormally();
1005		}};
1006		testInvokeOnPool(singletonPool(), a);
1007		}
#	Line 853 | Line 1022 | public class ForkJoinTask8Test extends J
1022		assertTrue(getSurplusQueuedTaskCount() > 0);
1023		helpQuiesce();
1024		assertEquals(0, getSurplusQueuedTaskCount());
1025	<	checkCompletedNormally(f);
1026	<	checkCompletedNormally(g);
1027	<	checkCompletedNormally(h);
1025	>	f.checkCompletedNormally();
1026	>	g.checkCompletedNormally();
1027	>	h.checkCompletedNormally();
1028		}};
1029		testInvokeOnPool(singletonPool(), a);
1030		}
#	Line 872 | Line 1041 | public class ForkJoinTask8Test extends J
1041		assertSame(f, f.fork());
1042		assertSame(f, peekNextLocalTask());
1043		assertNull(f.join());
1044	<	checkCompletedNormally(f);
1044	>	f.checkCompletedNormally();
1045		helpQuiesce();
1046	<	checkCompletedNormally(g);
1046	>	g.checkCompletedNormally();
1047		}};
1048		testInvokeOnPool(singletonPool(), a);
1049		}
#	Line 893 | Line 1062 | public class ForkJoinTask8Test extends J
1062		assertSame(f, pollNextLocalTask());
1063		helpQuiesce();
1064		checkNotDone(f);
1065	<	assertEquals(34, g.number);
897	<	checkCompletedNormally(g);
1065	>	g.checkCompletedNormally();
1066		}};
1067		testInvokeOnPool(singletonPool(), a);
1068		}
#	Line 912 | Line 1080 | public class ForkJoinTask8Test extends J
1080		assertSame(f, pollTask());
1081		helpQuiesce();
1082		checkNotDone(f);
1083	<	checkCompletedNormally(g);
1083	>	g.checkCompletedNormally();
1084		}};
1085		testInvokeOnPool(singletonPool(), a);
1086		}
#	Line 930 | Line 1098 | public class ForkJoinTask8Test extends J
1098		assertSame(g, peekNextLocalTask());
1099		assertNull(f.join());
1100		helpQuiesce();
1101	<	checkCompletedNormally(f);
1102	<	assertEquals(34, g.number);
935	<	checkCompletedNormally(g);
1101	>	f.checkCompletedNormally();
1102	>	g.checkCompletedNormally();
1103		}};
1104		testInvokeOnPool(asyncSingletonPool(), a);
1105		}
#	Line 950 | Line 1117 | public class ForkJoinTask8Test extends J
1117		assertSame(f, f.fork());
1118		assertSame(g, pollNextLocalTask());
1119		helpQuiesce();
1120	<	assertEquals(21, f.number);
954	<	checkCompletedNormally(f);
1120	>	f.checkCompletedNormally();
1121		checkNotDone(g);
1122		}};
1123		testInvokeOnPool(asyncSingletonPool(), a);
#	Line 970 | Line 1136 | public class ForkJoinTask8Test extends J
1136		assertSame(f, f.fork());
1137		assertSame(g, pollTask());
1138		helpQuiesce();
1139	<	assertEquals(21, f.number);
974	<	checkCompletedNormally(f);
1139	>	f.checkCompletedNormally();
1140		checkNotDone(g);
1141		}};
1142		testInvokeOnPool(asyncSingletonPool(), a);
1143		}
1144
980	–	// versions for singleton pools
981	–
982	–	/**
983	–	* invoke returns when task completes normally.
984	–	* isCompletedAbnormally and isCancelled return false for normally
985	–	* completed tasks; getRawResult returns null.
986	–	*/
987	–	public void testInvokeSingleton() {
988	–	RecursiveAction a = new CheckedRecursiveAction() {
989	–	protected void realCompute() {
990	–	AsyncFib f = new AsyncFib(8);
991	–	assertNull(f.invoke());
992	–	assertEquals(21, f.number);
993	–	checkCompletedNormally(f);
994	–	}};
995	–	testInvokeOnPool(singletonPool(), a);
996	–	}
997	–
998	–	/**
999	–	* quietlyInvoke task returns when task completes normally.
1000	–	* isCompletedAbnormally and isCancelled return false for normally
1001	–	* completed tasks
1002	–	*/
1003	–	public void testQuietlyInvokeSingleton() {
1004	–	RecursiveAction a = new CheckedRecursiveAction() {
1005	–	protected void realCompute() {
1006	–	AsyncFib f = new AsyncFib(8);
1007	–	f.quietlyInvoke();
1008	–	assertEquals(21, f.number);
1009	–	checkCompletedNormally(f);
1010	–	}};
1011	–	testInvokeOnPool(singletonPool(), a);
1012	–	}
1013	–
1014	–	/**
1015	–	* join of a forked task returns when task completes
1016	–	*/
1017	–	public void testForkJoinSingleton() {
1018	–	RecursiveAction a = new CheckedRecursiveAction() {
1019	–	protected void realCompute() {
1020	–	AsyncFib f = new AsyncFib(8);
1021	–	assertSame(f, f.fork());
1022	–	assertNull(f.join());
1023	–	assertEquals(21, f.number);
1024	–	checkCompletedNormally(f);
1025	–	}};
1026	–	testInvokeOnPool(singletonPool(), a);
1027	–	}
1028	–
1029	–	/**
1030	–	* get of a forked task returns when task completes
1031	–	*/
1032	–	public void testForkGetSingleton() {
1033	–	RecursiveAction a = new CheckedRecursiveAction() {
1034	–	protected void realCompute() throws Exception {
1035	–	AsyncFib f = new AsyncFib(8);
1036	–	assertSame(f, f.fork());
1037	–	assertNull(f.get());
1038	–	assertEquals(21, f.number);
1039	–	checkCompletedNormally(f);
1040	–	}};
1041	–	testInvokeOnPool(singletonPool(), a);
1042	–	}
1043	–
1044	–	/**
1045	–	* timed get of a forked task returns when task completes
1046	–	*/
1047	–	public void testForkTimedGetSingleton() {
1048	–	RecursiveAction a = new CheckedRecursiveAction() {
1049	–	protected void realCompute() throws Exception {
1050	–	AsyncFib f = new AsyncFib(8);
1051	–	assertSame(f, f.fork());
1052	–	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1053	–	assertEquals(21, f.number);
1054	–	checkCompletedNormally(f);
1055	–	}};
1056	–	testInvokeOnPool(singletonPool(), a);
1057	–	}
1058	–
1059	–	/**
1060	–	* timed get with null time unit throws NPE
1061	–	*/
1062	–	public void testForkTimedGetNPESingleton() {
1063	–	RecursiveAction a = new CheckedRecursiveAction() {
1064	–	protected void realCompute() throws Exception {
1065	–	AsyncFib f = new AsyncFib(8);
1066	–	assertSame(f, f.fork());
1067	–	try {
1068	–	f.get(5L, null);
1069	–	shouldThrow();
1070	–	} catch (NullPointerException success) {}
1071	–	}};
1072	–	testInvokeOnPool(singletonPool(), a);
1073	–	}
1074	–
1075	–	/**
1076	–	* quietlyJoin of a forked task returns when task completes
1077	–	*/
1078	–	public void testForkQuietlyJoinSingleton() {
1079	–	RecursiveAction a = new CheckedRecursiveAction() {
1080	–	protected void realCompute() {
1081	–	AsyncFib f = new AsyncFib(8);
1082	–	assertSame(f, f.fork());
1083	–	f.quietlyJoin();
1084	–	assertEquals(21, f.number);
1085	–	checkCompletedNormally(f);
1086	–	}};
1087	–	testInvokeOnPool(singletonPool(), a);
1088	–	}
1089	–
1090	–	/**
1091	–	* helpQuiesce returns when tasks are complete.
1092	–	* getQueuedTaskCount returns 0 when quiescent
1093	–	*/
1094	–	public void testForkHelpQuiesceSingleton() {
1095	–	RecursiveAction a = new CheckedRecursiveAction() {
1096	–	protected void realCompute() {
1097	–	AsyncFib f = new AsyncFib(8);
1098	–	assertSame(f, f.fork());
1099	–	helpQuiesce();
1100	–	assertEquals(0, getQueuedTaskCount());
1101	–	assertEquals(21, f.number);
1102	–	checkCompletedNormally(f);
1103	–	}};
1104	–	testInvokeOnPool(singletonPool(), a);
1105	–	}
1106	–
1107	–	/**
1108	–	* invoke task throws exception when task completes abnormally
1109	–	*/
1110	–	public void testAbnormalInvokeSingleton() {
1111	–	RecursiveAction a = new CheckedRecursiveAction() {
1112	–	protected void realCompute() {
1113	–	FailingAsyncFib f = new FailingAsyncFib(8);
1114	–	try {
1115	–	f.invoke();
1116	–	shouldThrow();
1117	–	} catch (FJException success) {
1118	–	checkCompletedAbnormally(f, success);
1119	–	}
1120	–	}};
1121	–	testInvokeOnPool(singletonPool(), a);
1122	–	}
1123	–
1124	–	/**
1125	–	* quietlyInvoke task returns when task completes abnormally
1126	–	*/
1127	–	public void testAbnormalQuietlyInvokeSingleton() {
1128	–	RecursiveAction a = new CheckedRecursiveAction() {
1129	–	protected void realCompute() {
1130	–	FailingAsyncFib f = new FailingAsyncFib(8);
1131	–	f.quietlyInvoke();
1132	–	assertTrue(f.getException() instanceof FJException);
1133	–	checkCompletedAbnormally(f, f.getException());
1134	–	}};
1135	–	testInvokeOnPool(singletonPool(), a);
1136	–	}
1137	–
1138	–	/**
1139	–	* join of a forked task throws exception when task completes abnormally
1140	–	*/
1141	–	public void testAbnormalForkJoinSingleton() {
1142	–	RecursiveAction a = new CheckedRecursiveAction() {
1143	–	protected void realCompute() {
1144	–	FailingAsyncFib f = new FailingAsyncFib(8);
1145	–	assertSame(f, f.fork());
1146	–	try {
1147	–	f.join();
1148	–	shouldThrow();
1149	–	} catch (FJException success) {
1150	–	checkCompletedAbnormally(f, success);
1151	–	}
1152	–	}};
1153	–	testInvokeOnPool(singletonPool(), a);
1154	–	}
1155	–
1156	–	/**
1157	–	* get of a forked task throws exception when task completes abnormally
1158	–	*/
1159	–	public void testAbnormalForkGetSingleton() {
1160	–	RecursiveAction a = new CheckedRecursiveAction() {
1161	–	protected void realCompute() throws Exception {
1162	–	FailingAsyncFib f = new FailingAsyncFib(8);
1163	–	assertSame(f, f.fork());
1164	–	try {
1165	–	f.get();
1166	–	shouldThrow();
1167	–	} catch (ExecutionException success) {
1168	–	Throwable cause = success.getCause();
1169	–	assertTrue(cause instanceof FJException);
1170	–	checkCompletedAbnormally(f, cause);
1171	–	}
1172	–	}};
1173	–	testInvokeOnPool(singletonPool(), a);
1174	–	}
1175	–
1176	–	/**
1177	–	* timed get of a forked task throws exception when task completes abnormally
1178	–	*/
1179	–	public void testAbnormalForkTimedGetSingleton() {
1180	–	RecursiveAction a = new CheckedRecursiveAction() {
1181	–	protected void realCompute() throws Exception {
1182	–	FailingAsyncFib f = new FailingAsyncFib(8);
1183	–	assertSame(f, f.fork());
1184	–	try {
1185	–	f.get(LONG_DELAY_MS, MILLISECONDS);
1186	–	shouldThrow();
1187	–	} catch (ExecutionException success) {
1188	–	Throwable cause = success.getCause();
1189	–	assertTrue(cause instanceof FJException);
1190	–	checkCompletedAbnormally(f, cause);
1191	–	}
1192	–	}};
1193	–	testInvokeOnPool(singletonPool(), a);
1194	–	}
1195	–
1196	–	/**
1197	–	* quietlyJoin of a forked task returns when task completes abnormally
1198	–	*/
1199	–	public void testAbnormalForkQuietlyJoinSingleton() {
1200	–	RecursiveAction a = new CheckedRecursiveAction() {
1201	–	protected void realCompute() {
1202	–	FailingAsyncFib f = new FailingAsyncFib(8);
1203	–	assertSame(f, f.fork());
1204	–	f.quietlyJoin();
1205	–	assertTrue(f.getException() instanceof FJException);
1206	–	checkCompletedAbnormally(f, f.getException());
1207	–	}};
1208	–	testInvokeOnPool(singletonPool(), a);
1209	–	}
1210	–
1211	–	/**
1212	–	* invoke task throws exception after invoking completeExceptionally
1213	–	*/
1214	–	public void testCompleteExceptionallySingleton() {
1215	–	RecursiveAction a = new CheckedRecursiveAction() {
1216	–	protected void realCompute() {
1217	–	AsyncFib f = new AsyncFib(8);
1218	–	f.completeExceptionally(new FJException());
1219	–	try {
1220	–	f.invoke();
1221	–	shouldThrow();
1222	–	} catch (FJException success) {
1223	–	checkCompletedAbnormally(f, success);
1224	–	}
1225	–	}};
1226	–	testInvokeOnPool(singletonPool(), a);
1227	–	}
1228	–
1229	–	/**
1230	–	* invokeAll(t1, t2) invokes all task arguments
1231	–	*/
1232	–	public void testInvokeAll2Singleton() {
1233	–	RecursiveAction a = new CheckedRecursiveAction() {
1234	–	protected void realCompute() {
1235	–	AsyncFib f = new AsyncFib(8);
1236	–	AsyncFib g = new AsyncFib(9);
1237	–	invokeAll(f, g);
1238	–	assertEquals(21, f.number);
1239	–	assertEquals(34, g.number);
1240	–	checkCompletedNormally(f);
1241	–	checkCompletedNormally(g);
1242	–	}};
1243	–	testInvokeOnPool(singletonPool(), a);
1244	–	}
1245	–
1246	–	/**
1247	–	* invokeAll(tasks) with 1 argument invokes task
1248	–	*/
1249	–	public void testInvokeAll1Singleton() {
1250	–	RecursiveAction a = new CheckedRecursiveAction() {
1251	–	protected void realCompute() {
1252	–	AsyncFib f = new AsyncFib(8);
1253	–	invokeAll(f);
1254	–	checkCompletedNormally(f);
1255	–	assertEquals(21, f.number);
1256	–	}};
1257	–	testInvokeOnPool(singletonPool(), a);
1258	–	}
1259	–
1260	–	/**
1261	–	* invokeAll(tasks) with > 2 argument invokes tasks
1262	–	*/
1263	–	public void testInvokeAll3Singleton() {
1264	–	RecursiveAction a = new CheckedRecursiveAction() {
1265	–	protected void realCompute() {
1266	–	AsyncFib f = new AsyncFib(8);
1267	–	AsyncFib g = new AsyncFib(9);
1268	–	AsyncFib h = new AsyncFib(7);
1269	–	invokeAll(f, g, h);
1270	–	assertEquals(21, f.number);
1271	–	assertEquals(34, g.number);
1272	–	assertEquals(13, h.number);
1273	–	checkCompletedNormally(f);
1274	–	checkCompletedNormally(g);
1275	–	checkCompletedNormally(h);
1276	–	}};
1277	–	testInvokeOnPool(singletonPool(), a);
1278	–	}
1279	–
1280	–	/**
1281	–	* invokeAll(collection) invokes all tasks in the collection
1282	–	*/
1283	–	public void testInvokeAllCollectionSingleton() {
1284	–	RecursiveAction a = new CheckedRecursiveAction() {
1285	–	protected void realCompute() {
1286	–	AsyncFib f = new AsyncFib(8);
1287	–	AsyncFib g = new AsyncFib(9);
1288	–	AsyncFib h = new AsyncFib(7);
1289	–	HashSet set = new HashSet();
1290	–	set.add(f);
1291	–	set.add(g);
1292	–	set.add(h);
1293	–	invokeAll(set);
1294	–	assertEquals(21, f.number);
1295	–	assertEquals(34, g.number);
1296	–	assertEquals(13, h.number);
1297	–	checkCompletedNormally(f);
1298	–	checkCompletedNormally(g);
1299	–	checkCompletedNormally(h);
1300	–	}};
1301	–	testInvokeOnPool(singletonPool(), a);
1302	–	}
1303	–
1304	–	/**
1305	–	* invokeAll(tasks) with any null task throws NPE
1306	–	*/
1307	–	public void testInvokeAllNPESingleton() {
1308	–	RecursiveAction a = new CheckedRecursiveAction() {
1309	–	protected void realCompute() {
1310	–	AsyncFib f = new AsyncFib(8);
1311	–	AsyncFib g = new AsyncFib(9);
1312	–	AsyncFib h = null;
1313	–	try {
1314	–	invokeAll(f, g, h);
1315	–	shouldThrow();
1316	–	} catch (NullPointerException success) {}
1317	–	}};
1318	–	testInvokeOnPool(singletonPool(), a);
1319	–	}
1320	–
1321	–	/**
1322	–	* invokeAll(t1, t2) throw exception if any task does
1323	–	*/
1324	–	public void testAbnormalInvokeAll2Singleton() {
1325	–	RecursiveAction a = new CheckedRecursiveAction() {
1326	–	protected void realCompute() {
1327	–	AsyncFib f = new AsyncFib(8);
1328	–	FailingAsyncFib g = new FailingAsyncFib(9);
1329	–	try {
1330	–	invokeAll(f, g);
1331	–	shouldThrow();
1332	–	} catch (FJException success) {
1333	–	checkCompletedAbnormally(g, success);
1334	–	}
1335	–	}};
1336	–	testInvokeOnPool(singletonPool(), a);
1337	–	}
1338	–
1339	–	/**
1340	–	* invokeAll(tasks) with 1 argument throws exception if task does
1341	–	*/
1342	–	public void testAbnormalInvokeAll1Singleton() {
1343	–	RecursiveAction a = new CheckedRecursiveAction() {
1344	–	protected void realCompute() {
1345	–	FailingAsyncFib g = new FailingAsyncFib(9);
1346	–	try {
1347	–	invokeAll(g);
1348	–	shouldThrow();
1349	–	} catch (FJException success) {
1350	–	checkCompletedAbnormally(g, success);
1351	–	}
1352	–	}};
1353	–	testInvokeOnPool(singletonPool(), a);
1354	–	}
1355	–
1356	–	/**
1357	–	* invokeAll(tasks) with > 2 argument throws exception if any task does
1358	–	*/
1359	–	public void testAbnormalInvokeAll3Singleton() {
1360	–	RecursiveAction a = new CheckedRecursiveAction() {
1361	–	protected void realCompute() {
1362	–	AsyncFib f = new AsyncFib(8);
1363	–	FailingAsyncFib g = new FailingAsyncFib(9);
1364	–	AsyncFib h = new AsyncFib(7);
1365	–	try {
1366	–	invokeAll(f, g, h);
1367	–	shouldThrow();
1368	–	} catch (FJException success) {
1369	–	checkCompletedAbnormally(g, success);
1370	–	}
1371	–	}};
1372	–	testInvokeOnPool(singletonPool(), a);
1373	–	}
1374	–
1375	–	/**
1376	–	* invokeAll(collection)  throws exception if any task does
1377	–	*/
1378	–	public void testAbnormalInvokeAllCollectionSingleton() {
1379	–	RecursiveAction a = new CheckedRecursiveAction() {
1380	–	protected void realCompute() {
1381	–	FailingAsyncFib f = new FailingAsyncFib(8);
1382	–	AsyncFib g = new AsyncFib(9);
1383	–	AsyncFib h = new AsyncFib(7);
1384	–	HashSet set = new HashSet();
1385	–	set.add(f);
1386	–	set.add(g);
1387	–	set.add(h);
1388	–	try {
1389	–	invokeAll(set);
1390	–	shouldThrow();
1391	–	} catch (FJException success) {
1392	–	checkCompletedAbnormally(f, success);
1393	–	}
1394	–	}};
1395	–	testInvokeOnPool(singletonPool(), a);
1396	–	}
1397	–
1398	–
1145		/**
1146		* ForkJoinTask.quietlyComplete returns when task completes
1147		* normally without setting a value. The most recent value
#	Line 1417 | Line 1163 | public class ForkJoinTask8Test extends J
1163		testInvokeOnPool(mainPool(), a);
1164		}
1165
1166	+	// jdk9
1167	+
1168	+	/**
1169	+	* pollSubmission returns unexecuted submitted task, if present
1170	+	*/
1171	+	public void testPollSubmission() {
1172	+	final CountDownLatch done = new CountDownLatch(1);
1173	+	final ForkJoinTask a = ForkJoinTask.adapt(awaiter(done));
1174	+	final ForkJoinTask b = ForkJoinTask.adapt(awaiter(done));
1175	+	final ForkJoinTask c = ForkJoinTask.adapt(awaiter(done));
1176	+	final ForkJoinPool p = singletonPool();
1177	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1178	+	Thread external = new Thread(new CheckedRunnable() {
1179	+	public void realRun() {
1180	+	p.execute(a);
1181	+	p.execute(b);
1182	+	p.execute(c);
1183	+	}});
1184	+	RecursiveAction s = new CheckedRecursiveAction() {
1185	+	protected void realCompute() {
1186	+	external.start();
1187	+	try {
1188	+	external.join();
1189	+	} catch (Exception ex) {
1190	+	threadUnexpectedException(ex);
1191	+	}
1192	+	assertTrue(p.hasQueuedSubmissions());
1193	+	assertTrue(Thread.currentThread() instanceof ForkJoinWorkerThread);
1194	+	ForkJoinTask r = ForkJoinTask.pollSubmission();
1195	+	assertTrue(r == a || r == b || r == c);
1196	+	assertFalse(r.isDone());
1197	+	}};
1198	+	p.invoke(s);
1199	+	}
1200	+	}
1201	+
1202		}

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