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Comparing jsr166/src/test/tck/ForkJoinTask8Test.java (file contents):
Revision 1.8 by jsr166, Thu Jan 15 18:34:19 2015 UTC vs.
Revision 1.35 by dl, Tue Jan 26 13:33:06 2021 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
94	<	void checkNotDone(ForkJoinTask a) {
94	>	void checkNotDone(ForkJoinTask<?> a) {
95		assertFalse(a.isDone());
96		assertFalse(a.isCompletedNormally());
97		assertFalse(a.isCompletedAbnormally());
#	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 102 | Line 113 | public class ForkJoinTask8Test extends J
113		checkCompletedNormally(a, null);
114		}
115
116	<	<T> void checkCompletedNormally(ForkJoinTask<T> a, T expected) {
116	>	<T> void checkCompletedNormally(ForkJoinTask<T> a, T expectedValue) {
117		assertTrue(a.isDone());
118		assertFalse(a.isCancelled());
119		assertTrue(a.isCompletedNormally());
120		assertFalse(a.isCompletedAbnormally());
121		assertNull(a.getException());
122	<	assertSame(expected, a.getRawResult());
122	>	assertSame(expectedValue, 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();
130	<	assertSame(expected, a.join());
131	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
129	>	long startTime = System.nanoTime();
130	>	assertSame(expectedValue, a.join());
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
143		assertFalse(a.cancel(false));
144		assertFalse(a.cancel(true));
145	+
146	+	T v1 = null, v2 = null;
147		try {
148	<	assertSame(expected, a.get());
149	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
136	<	try {
137	<	assertSame(expected, a.get(5L, SECONDS));
148	>	v1 = a.get();
149	>	v2 = a.get(randomTimeout(), randomTimeUnit());
150		} catch (Throwable fail) { threadUnexpectedException(fail); }
151	+	assertSame(expectedValue, v1);
152	+	assertSame(expectedValue, v2);
153		}
154
155	<	void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
155	>	void checkCompletedAbnormally(ForkJoinTask<?> a, Throwable t) {
156		assertTrue(a.isDone());
157		assertFalse(a.isCancelled());
158		assertFalse(a.isCompletedNormally());
#	Line 160 | Line 174 | public class ForkJoinTask8Test extends J
174		Thread.interrupted();
175
176		{
177	<	long t0 = System.nanoTime();
177	>	long startTime = System.nanoTime();
178		a.quietlyJoin();        // should be no-op
179	<	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
179	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
180		}
181
182		try {
#	Line 173 | Line 187 | public class ForkJoinTask8Test extends J
187		} catch (Throwable fail) { threadUnexpectedException(fail); }
188
189		try {
190	<	a.get(5L, SECONDS);
190	>	a.get(randomTimeout(), randomTimeUnit());
191		shouldThrow();
192		} catch (ExecutionException success) {
193		assertSame(t.getClass(), success.getCause().getClass());
#	Line 186 | Line 200 | public class ForkJoinTask8Test extends J
200
201		abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
202
203	<	private BinaryAsyncAction parent;
203	>	private volatile BinaryAsyncAction parent;
204
205	<	private BinaryAsyncAction sibling;
205	>	private volatile BinaryAsyncAction sibling;
206
207		protected BinaryAsyncAction() {
208		setForkJoinTaskTag(INITIAL_STATE);
#	Line 231 | Line 245 | public class ForkJoinTask8Test extends J
245		super.completeExceptionally(ex);
246		}
247
248	+	public boolean cancel(boolean mayInterruptIfRunning) {
249	+	if (super.cancel(mayInterruptIfRunning)) {
250	+	completeExceptionally(new FJException());
251	+	return true;
252	+	}
253	+	return false;
254	+	}
255	+
256		public final void complete() {
257		BinaryAsyncAction a = this;
258		for (;;) {
#	Line 253 | Line 275 | public class ForkJoinTask8Test extends J
275		}
276
277		public final void completeExceptionally(Throwable ex) {
278	<	BinaryAsyncAction a = this;
257	<	while (!a.isCompletedAbnormally()) {
278	>	for (BinaryAsyncAction a = this;;) {
279		a.completeThisExceptionally(ex);
280		BinaryAsyncAction s = a.sibling;
281	<	if (s != null)
282	<	s.cancel(false);
283	<	if (!a.onException() || (a = a.parent) == null)
281	>	if (s != null && !s.isDone())
282	>	s.completeExceptionally(ex);
283	>	if ((a = a.parent) == null)
284		break;
285		}
286		}
#	Line 279 | Line 300 | public class ForkJoinTask8Test extends J
300
301		}
302
303	<	static final class AsyncFib extends BinaryAsyncAction {
303	>	final class AsyncFib extends BinaryAsyncAction {
304		int number;
305	<	public AsyncFib(int n) {
306	<	this.number = n;
305	>	int expectedResult;
306	>	public AsyncFib(int number) {
307	>	this.number = number;
308	>	this.expectedResult = fib[number];
309		}
310
311		public final boolean exec() {
312		try {
313		AsyncFib f = this;
314		int n = f.number;
315	<	if (n > 1) {
316	<	while (n > 1) {
317	<	AsyncFib p = f;
318	<	AsyncFib r = new AsyncFib(n - 2);
319	<	f = new AsyncFib(--n);
320	<	p.linkSubtasks(r, f);
298	<	r.fork();
299	<	}
300	<	f.number = n;
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);
320	>	r.fork();
321		}
322		f.complete();
323		}
324		catch (Throwable ex) {
325		compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
326		}
327	+	if (getForkJoinTaskTag() == EXCEPTION_STATE)
328	+	throw new FJException();
329		return false;
330		}
331
#	Line 311 | Line 333 | public class ForkJoinTask8Test extends J
333		number = ((AsyncFib)x).number + ((AsyncFib)y).number;
334		super.onComplete(x, y);
335		}
336	+
337	+	public void checkCompletedNormally() {
338	+	assertEquals(expectedResult, number);
339	+	ForkJoinTask8Test.this.checkCompletedNormally(this);
340	+	}
341		}
342
343		static final class FailingAsyncFib extends BinaryAsyncAction {
#	Line 320 | Line 347 | public class ForkJoinTask8Test extends J
347		}
348
349		public final boolean exec() {
350	<	FailingAsyncFib f = this;
351	<	int n = f.number;
352	<	if (n > 1) {
350	>	try {
351	>	FailingAsyncFib f = this;
352	>	int n = f.number;
353		while (n > 1) {
354		FailingAsyncFib p = f;
355		FailingAsyncFib r = new FailingAsyncFib(n - 2);
#	Line 330 | Line 357 | public class ForkJoinTask8Test extends J
357		p.linkSubtasks(r, f);
358		r.fork();
359		}
360	<	f.number = n;
360	>	f.complete();
361	>	}
362	>	catch (Throwable ex) {
363	>	compareAndSetForkJoinTaskTag(INITIAL_STATE, EXCEPTION_STATE);
364		}
365	<	f.complete();
365	>	if (getForkJoinTaskTag() == EXCEPTION_STATE)
366	>	throw new FJException();
367		return false;
368		}
369
#	Line 347 | Line 378 | public class ForkJoinTask8Test extends J
378		* completed tasks; getRawResult returns null.
379		*/
380		public void testInvoke() {
381	+	testInvoke(mainPool());
382	+	}
383	+	public void testInvoke_Singleton() {
384	+	testInvoke(singletonPool());
385	+	}
386	+	public void testInvoke(ForkJoinPool pool) {
387		RecursiveAction a = new CheckedRecursiveAction() {
388		protected void realCompute() {
389		AsyncFib f = new AsyncFib(8);
390		assertNull(f.invoke());
391	<	assertEquals(21, f.number);
355	<	checkCompletedNormally(f);
391	>	f.checkCompletedNormally();
392		}};
393	<	testInvokeOnPool(mainPool(), a);
393	>	testInvokeOnPool(pool, a);
394		}
395
396		/**
#	Line 363 | Line 399 | public class ForkJoinTask8Test extends J
399		* completed tasks
400		*/
401		public void testQuietlyInvoke() {
402	+	testQuietlyInvoke(mainPool());
403	+	}
404	+	public void testQuietlyInvoke_Singleton() {
405	+	testQuietlyInvoke(singletonPool());
406	+	}
407	+	public void testQuietlyInvoke(ForkJoinPool pool) {
408		RecursiveAction a = new CheckedRecursiveAction() {
409		protected void realCompute() {
410		AsyncFib f = new AsyncFib(8);
411		f.quietlyInvoke();
412	<	assertEquals(21, f.number);
371	<	checkCompletedNormally(f);
412	>	f.checkCompletedNormally();
413		}};
414	<	testInvokeOnPool(mainPool(), a);
414	>	testInvokeOnPool(pool, a);
415		}
416
417		/**
418		* join of a forked task returns when task completes
419		*/
420		public void testForkJoin() {
421	+	testForkJoin(mainPool());
422	+	}
423	+	public void testForkJoin_Singleton() {
424	+	testForkJoin(singletonPool());
425	+	}
426	+	public void testForkJoin(ForkJoinPool pool) {
427		RecursiveAction a = new CheckedRecursiveAction() {
428		protected void realCompute() {
429		AsyncFib f = new AsyncFib(8);
430		assertSame(f, f.fork());
431		assertNull(f.join());
432	<	assertEquals(21, f.number);
386	<	checkCompletedNormally(f);
432	>	f.checkCompletedNormally();
433		}};
434	<	testInvokeOnPool(mainPool(), a);
434	>	testInvokeOnPool(pool, a);
435		}
436
437		/**
438		* get of a forked task returns when task completes
439		*/
440		public void testForkGet() {
441	+	testForkGet(mainPool());
442	+	}
443	+	public void testForkGet_Singleton() {
444	+	testForkGet(singletonPool());
445	+	}
446	+	public void testForkGet(ForkJoinPool pool) {
447		RecursiveAction a = new CheckedRecursiveAction() {
448		protected void realCompute() throws Exception {
449		AsyncFib f = new AsyncFib(8);
450		assertSame(f, f.fork());
451		assertNull(f.get());
452	<	assertEquals(21, f.number);
401	<	checkCompletedNormally(f);
452	>	f.checkCompletedNormally();
453		}};
454	<	testInvokeOnPool(mainPool(), a);
454	>	testInvokeOnPool(pool, a);
455		}
456
457		/**
458		* timed get of a forked task returns when task completes
459		*/
460		public void testForkTimedGet() {
461	+	testForkTimedGet(mainPool());
462	+	}
463	+	public void testForkTimedGet_Singleton() {
464	+	testForkTimedGet(singletonPool());
465	+	}
466	+	public void testForkTimedGet(ForkJoinPool pool) {
467		RecursiveAction a = new CheckedRecursiveAction() {
468		protected void realCompute() throws Exception {
469		AsyncFib f = new AsyncFib(8);
470		assertSame(f, f.fork());
471		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
472	<	assertEquals(21, f.number);
416	<	checkCompletedNormally(f);
472	>	f.checkCompletedNormally();
473		}};
474	<	testInvokeOnPool(mainPool(), a);
474	>	testInvokeOnPool(pool, a);
475		}
476
477		/**
478	<	* timed get with null time unit throws NPE
478	>	* timed get with null time unit throws NullPointerException
479		*/
480	<	public void testForkTimedGetNPE() {
480	>	public void testForkTimedGetNullTimeUnit() {
481	>	testForkTimedGetNullTimeUnit(mainPool());
482	>	}
483	>	public void testForkTimedGetNullTimeUnit_Singleton() {
484	>	testForkTimedGet(singletonPool());
485	>	}
486	>	public void testForkTimedGetNullTimeUnit(ForkJoinPool pool) {
487		RecursiveAction a = new CheckedRecursiveAction() {
488		protected void realCompute() throws Exception {
489		AsyncFib f = new AsyncFib(8);
490		assertSame(f, f.fork());
491		try {
492	<	f.get(5L, null);
492	>	f.get(randomTimeout(), null);
493		shouldThrow();
494		} catch (NullPointerException success) {}
495		}};
496	<	testInvokeOnPool(mainPool(), a);
496	>	testInvokeOnPool(pool, a);
497		}
498
499		/**
500		* quietlyJoin of a forked task returns when task completes
501		*/
502		public void testForkQuietlyJoin() {
503	+	testForkQuietlyJoin(mainPool());
504	+	}
505	+	public void testForkQuietlyJoin_Singleton() {
506	+	testForkQuietlyJoin(singletonPool());
507	+	}
508	+	public void testForkQuietlyJoin(ForkJoinPool pool) {
509		RecursiveAction a = new CheckedRecursiveAction() {
510		protected void realCompute() {
511		AsyncFib f = new AsyncFib(8);
512		assertSame(f, f.fork());
513		f.quietlyJoin();
514	<	assertEquals(21, f.number);
447	<	checkCompletedNormally(f);
514	>	f.checkCompletedNormally();
515		}};
516	<	testInvokeOnPool(mainPool(), a);
516	>	testInvokeOnPool(pool, a);
517		}
518
519		/**
#	Line 454 | Line 521 | public class ForkJoinTask8Test extends J
521		* getQueuedTaskCount returns 0 when quiescent
522		*/
523		public void testForkHelpQuiesce() {
524	+	testForkHelpQuiesce(mainPool());
525	+	}
526	+	public void testForkHelpQuiesce_Singleton() {
527	+	testForkHelpQuiesce(singletonPool());
528	+	}
529	+	public void testForkHelpQuiesce(ForkJoinPool pool) {
530		RecursiveAction a = new CheckedRecursiveAction() {
531		protected void realCompute() {
532		AsyncFib f = new AsyncFib(8);
533		assertSame(f, f.fork());
534		helpQuiesce();
535	<	assertEquals(21, f.number);
535	>	while (!f.isDone()) // wait out race
536	>	;
537		assertEquals(0, getQueuedTaskCount());
538	<	checkCompletedNormally(f);
538	>	f.checkCompletedNormally();
539		}};
540	<	testInvokeOnPool(mainPool(), a);
540	>	testInvokeOnPool(pool, a);
541		}
542
543		/**
544		* invoke task throws exception when task completes abnormally
545		*/
546		public void testAbnormalInvoke() {
547	+	testAbnormalInvoke(mainPool());
548	+	}
549	+	public void testAbnormalInvoke_Singleton() {
550	+	testAbnormalInvoke(singletonPool());
551	+	}
552	+	public void testAbnormalInvoke(ForkJoinPool pool) {
553		RecursiveAction a = new CheckedRecursiveAction() {
554		protected void realCompute() {
555		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 480 | Line 560 | public class ForkJoinTask8Test extends J
560		checkCompletedAbnormally(f, success);
561		}
562		}};
563	<	testInvokeOnPool(mainPool(), a);
563	>	testInvokeOnPool(pool, a);
564		}
565
566		/**
567		* quietlyInvoke task returns when task completes abnormally
568		*/
569		public void testAbnormalQuietlyInvoke() {
570	+	testAbnormalQuietlyInvoke(mainPool());
571	+	}
572	+	public void testAbnormalQuietlyInvoke_Singleton() {
573	+	testAbnormalQuietlyInvoke(singletonPool());
574	+	}
575	+	public void testAbnormalQuietlyInvoke(ForkJoinPool pool) {
576		RecursiveAction a = new CheckedRecursiveAction() {
577		protected void realCompute() {
578		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 494 | Line 580 | public class ForkJoinTask8Test extends J
580		assertTrue(f.getException() instanceof FJException);
581		checkCompletedAbnormally(f, f.getException());
582		}};
583	<	testInvokeOnPool(mainPool(), a);
583	>	testInvokeOnPool(pool, a);
584		}
585
586		/**
587		* join of a forked task throws exception when task completes abnormally
588		*/
589		public void testAbnormalForkJoin() {
590	+	testAbnormalForkJoin(mainPool());
591	+	}
592	+	public void testAbnormalForkJoin_Singleton() {
593	+	testAbnormalForkJoin(singletonPool());
594	+	}
595	+	public void testAbnormalForkJoin(ForkJoinPool pool) {
596		RecursiveAction a = new CheckedRecursiveAction() {
597		protected void realCompute() {
598		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 512 | Line 604 | public class ForkJoinTask8Test extends J
604		checkCompletedAbnormally(f, success);
605		}
606		}};
607	<	testInvokeOnPool(mainPool(), a);
607	>	testInvokeOnPool(pool, a);
608		}
609
610		/**
611		* get of a forked task throws exception when task completes abnormally
612		*/
613		public void testAbnormalForkGet() {
614	+	testAbnormalForkGet(mainPool());
615	+	}
616	+	public void testAbnormalForkGet_Singleton() {
617	+	testAbnormalForkJoin(singletonPool());
618	+	}
619	+	public void testAbnormalForkGet(ForkJoinPool pool) {
620		RecursiveAction a = new CheckedRecursiveAction() {
621		protected void realCompute() throws Exception {
622		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 532 | Line 630 | public class ForkJoinTask8Test extends J
630		checkCompletedAbnormally(f, cause);
631		}
632		}};
633	<	testInvokeOnPool(mainPool(), a);
633	>	testInvokeOnPool(pool, a);
634		}
635
636		/**
637		* timed get of a forked task throws exception when task completes abnormally
638		*/
639		public void testAbnormalForkTimedGet() {
640	+	testAbnormalForkTimedGet(mainPool());
641	+	}
642	+	public void testAbnormalForkTimedGet_Singleton() {
643	+	testAbnormalForkTimedGet(singletonPool());
644	+	}
645	+	public void testAbnormalForkTimedGet(ForkJoinPool pool) {
646		RecursiveAction a = new CheckedRecursiveAction() {
647		protected void realCompute() throws Exception {
648		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 552 | Line 656 | public class ForkJoinTask8Test extends J
656		checkCompletedAbnormally(f, cause);
657		}
658		}};
659	<	testInvokeOnPool(mainPool(), a);
659	>	testInvokeOnPool(pool, a);
660		}
661
662		/**
663		* quietlyJoin of a forked task returns when task completes abnormally
664		*/
665		public void testAbnormalForkQuietlyJoin() {
666	+	testAbnormalForkQuietlyJoin(mainPool());
667	+	}
668	+	public void testAbnormalForkQuietlyJoin_Singleton() {
669	+	testAbnormalForkQuietlyJoin(singletonPool());
670	+	}
671	+	public void testAbnormalForkQuietlyJoin(ForkJoinPool pool) {
672		RecursiveAction a = new CheckedRecursiveAction() {
673		protected void realCompute() {
674		FailingAsyncFib f = new FailingAsyncFib(8);
#	Line 567 | Line 677 | public class ForkJoinTask8Test extends J
677		assertTrue(f.getException() instanceof FJException);
678		checkCompletedAbnormally(f, f.getException());
679		}};
680	<	testInvokeOnPool(mainPool(), a);
680	>	testInvokeOnPool(pool, a);
681		}
682
683		/**
684		* getPool of executing task returns its pool
685		*/
686		public void testGetPool() {
687	<	final ForkJoinPool mainPool = mainPool();
687	>	testGetPool(mainPool());
688	>	}
689	>	public void testGetPool_Singleton() {
690	>	testGetPool(singletonPool());
691	>	}
692	>	public void testGetPool(ForkJoinPool pool) {
693		RecursiveAction a = new CheckedRecursiveAction() {
694		protected void realCompute() {
695	<	assertSame(mainPool, getPool());
695	>	assertSame(pool, getPool());
696		}};
697	<	testInvokeOnPool(mainPool, a);
697	>	testInvokeOnPool(pool, a);
698		}
699
700		/**
#	Line 597 | Line 712 | public class ForkJoinTask8Test extends J
712		* inForkJoinPool of executing task returns true
713		*/
714		public void testInForkJoinPool() {
715	+	testInForkJoinPool(mainPool());
716	+	}
717	+	public void testInForkJoinPool_Singleton() {
718	+	testInForkJoinPool(singletonPool());
719	+	}
720	+	public void testInForkJoinPool(ForkJoinPool pool) {
721		RecursiveAction a = new CheckedRecursiveAction() {
722		protected void realCompute() {
723		assertTrue(inForkJoinPool());
724		}};
725	<	testInvokeOnPool(mainPool(), a);
725	>	testInvokeOnPool(pool, a);
726		}
727
728		/**
#	Line 631 | Line 752 | public class ForkJoinTask8Test extends J
752		* invoke task throws exception after invoking completeExceptionally
753		*/
754		public void testCompleteExceptionally() {
755	+	testCompleteExceptionally(mainPool());
756	+	}
757	+	public void testCompleteExceptionally_Singleton() {
758	+	testCompleteExceptionally(singletonPool());
759	+	}
760	+	public void testCompleteExceptionally(ForkJoinPool pool) {
761		RecursiveAction a = new CheckedRecursiveAction() {
762		protected void realCompute() {
763		AsyncFib f = new AsyncFib(8);
#	Line 642 | Line 769 | public class ForkJoinTask8Test extends J
769		checkCompletedAbnormally(f, success);
770		}
771		}};
772	<	testInvokeOnPool(mainPool(), a);
772	>	testInvokeOnPool(pool, a);
773		}
774
775		/**
776	<	* invokeAll(t1, t2) invokes all task arguments
776	>	* invokeAll(tasks) with 1 argument invokes task
777		*/
778	<	public void testInvokeAll2() {
778	>	public void testInvokeAll1() {
779	>	testInvokeAll1(mainPool());
780	>	}
781	>	public void testInvokeAll1_Singleton() {
782	>	testInvokeAll1(singletonPool());
783	>	}
784	>	public void testInvokeAll1(ForkJoinPool pool) {
785		RecursiveAction a = new CheckedRecursiveAction() {
786		protected void realCompute() {
787		AsyncFib f = new AsyncFib(8);
788	<	AsyncFib g = new AsyncFib(9);
789	<	invokeAll(f, g);
657	<	assertEquals(21, f.number);
658	<	assertEquals(34, g.number);
659	<	checkCompletedNormally(f);
660	<	checkCompletedNormally(g);
788	>	invokeAll(f);
789	>	f.checkCompletedNormally();
790		}};
791	<	testInvokeOnPool(mainPool(), a);
791	>	testInvokeOnPool(pool, a);
792		}
793
794		/**
795	<	* invokeAll(tasks) with 1 argument invokes task
795	>	* invokeAll(t1, t2) invokes all task arguments
796		*/
797	<	public void testInvokeAll1() {
797	>	public void testInvokeAll2() {
798	>	testInvokeAll2(mainPool());
799	>	}
800	>	public void testInvokeAll2_Singleton() {
801	>	testInvokeAll2(singletonPool());
802	>	}
803	>	public void testInvokeAll2(ForkJoinPool pool) {
804		RecursiveAction a = new CheckedRecursiveAction() {
805		protected void realCompute() {
806	<	AsyncFib f = new AsyncFib(8);
807	<	invokeAll(f);
808	<	checkCompletedNormally(f);
809	<	assertEquals(21, f.number);
806	>	AsyncFib[] tasks = {
807	>	new AsyncFib(8),
808	>	new AsyncFib(9),
809	>	};
810	>	invokeAll(tasks[0], tasks[1]);
811	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
812	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
813		}};
814	<	testInvokeOnPool(mainPool(), a);
814	>	testInvokeOnPool(pool, a);
815		}
816
817		/**
818		* invokeAll(tasks) with > 2 argument invokes tasks
819		*/
820		public void testInvokeAll3() {
821	+	testInvokeAll3(mainPool());
822	+	}
823	+	public void testInvokeAll3_Singleton() {
824	+	testInvokeAll3(singletonPool());
825	+	}
826	+	public void testInvokeAll3(ForkJoinPool pool) {
827		RecursiveAction a = new CheckedRecursiveAction() {
828		protected void realCompute() {
829	<	AsyncFib f = new AsyncFib(8);
830	<	AsyncFib g = new AsyncFib(9);
831	<	AsyncFib h = new AsyncFib(7);
832	<	invokeAll(f, g, h);
833	<	assertEquals(21, f.number);
834	<	assertEquals(34, g.number);
835	<	assertEquals(13, h.number);
836	<	checkCompletedNormally(f);
693	<	checkCompletedNormally(g);
694	<	checkCompletedNormally(h);
829	>	AsyncFib[] tasks = {
830	>	new AsyncFib(8),
831	>	new AsyncFib(9),
832	>	new AsyncFib(7),
833	>	};
834	>	invokeAll(tasks[0], tasks[1], tasks[2]);
835	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
836	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
837		}};
838	<	testInvokeOnPool(mainPool(), a);
838	>	testInvokeOnPool(pool, a);
839		}
840
841		/**
842		* invokeAll(collection) invokes all tasks in the collection
843		*/
844		public void testInvokeAllCollection() {
845	+	testInvokeAllCollection(mainPool());
846	+	}
847	+	public void testInvokeAllCollection_Singleton() {
848	+	testInvokeAllCollection(singletonPool());
849	+	}
850	+	public void testInvokeAllCollection(ForkJoinPool pool) {
851		RecursiveAction a = new CheckedRecursiveAction() {
852		protected void realCompute() {
853	<	AsyncFib f = new AsyncFib(8);
854	<	AsyncFib g = new AsyncFib(9);
855	<	AsyncFib h = new AsyncFib(7);
856	<	HashSet set = new HashSet();
857	<	set.add(f);
858	<	set.add(g);
859	<	set.add(h);
860	<	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);
853	>	AsyncFib[] tasks = {
854	>	new AsyncFib(8),
855	>	new AsyncFib(9),
856	>	new AsyncFib(7),
857	>	};
858	>	invokeAll(Arrays.asList(tasks));
859	>	for (AsyncFib task : tasks) assertTrue(task.isDone());
860	>	for (AsyncFib task : tasks) task.checkCompletedNormally();
861		}};
862	<	testInvokeOnPool(mainPool(), a);
862	>	testInvokeOnPool(pool, a);
863		}
864
865		/**
866	<	* invokeAll(tasks) with any null task throws NPE
866	>	* invokeAll(tasks) with any null task throws NullPointerException
867		*/
868	<	public void testInvokeAllNPE() {
868	>	public void testInvokeAllNullTask() {
869	>	testInvokeAllNullTask(mainPool());
870	>	}
871	>	public void testInvokeAllNullTask_Singleton() {
872	>	testInvokeAllNullTask(singletonPool());
873	>	}
874	>	public void testInvokeAllNullTask(ForkJoinPool pool) {
875		RecursiveAction a = new CheckedRecursiveAction() {
876		protected void realCompute() {
877	<	AsyncFib f = new AsyncFib(8);
878	<	AsyncFib g = new AsyncFib(9);
879	<	AsyncFib h = null;
880	<	try {
881	<	invokeAll(f, g, h);
882	<	shouldThrow();
883	<	} catch (NullPointerException success) {}
877	>	AsyncFib nul = null;
878	>	assertThrows(
879	>	NullPointerException.class,
880	>	() -> invokeAll(nul),
881	>	() -> invokeAll(nul, nul),
882	>	() -> invokeAll(new AsyncFib(8), new AsyncFib(9), nul),
883	>	() -> invokeAll(new AsyncFib(8), nul, new AsyncFib(9)),
884	>	() -> invokeAll(nul, new AsyncFib(8), new AsyncFib(9)));
885		}};
886	<	testInvokeOnPool(mainPool(), a);
886	>	testInvokeOnPool(pool, a);
887		}
888
889		/**
890	<	* invokeAll(t1, t2) throw exception if any task does
890	>	* invokeAll(tasks) with 1 argument throws exception if task does
891		*/
892	<	public void testAbnormalInvokeAll2() {
892	>	public void testAbnormalInvokeAll1() {
893	>	testAbnormalInvokeAll1(mainPool());
894	>	}
895	>	public void testAbnormalInvokeAll1_Singleton() {
896	>	testAbnormalInvokeAll1(singletonPool());
897	>	}
898	>	public void testAbnormalInvokeAll1(ForkJoinPool pool) {
899		RecursiveAction a = new CheckedRecursiveAction() {
900		protected void realCompute() {
746	–	AsyncFib f = new AsyncFib(8);
901		FailingAsyncFib g = new FailingAsyncFib(9);
902		try {
903	<	invokeAll(f, g);
903	>	invokeAll(g);
904		shouldThrow();
905		} catch (FJException success) {
906		checkCompletedAbnormally(g, success);
907		}
908		}};
909	<	testInvokeOnPool(mainPool(), a);
909	>	testInvokeOnPool(pool, a);
910		}
911
912		/**
913	<	* invokeAll(tasks) with 1 argument throws exception if task does
913	>	* invokeAll(t1, t2) throw exception if any task does
914		*/
915	<	public void testAbnormalInvokeAll1() {
915	>	public void testAbnormalInvokeAll2() {
916	>	testAbnormalInvokeAll2(mainPool());
917	>	}
918	>	public void testAbnormalInvokeAll2_Singleton() {
919	>	testAbnormalInvokeAll2(singletonPool());
920	>	}
921	>	public void testAbnormalInvokeAll2(ForkJoinPool pool) {
922		RecursiveAction a = new CheckedRecursiveAction() {
923		protected void realCompute() {
924	+	AsyncFib f = new AsyncFib(8);
925		FailingAsyncFib g = new FailingAsyncFib(9);
926	+	ForkJoinTask<?>[] tasks = { f, g };
927	+	shuffle(tasks);
928		try {
929	<	invokeAll(g);
929	>	invokeAll(tasks[0], tasks[1]);
930		shouldThrow();
931		} catch (FJException success) {
932		checkCompletedAbnormally(g, success);
933		}
934		}};
935	<	testInvokeOnPool(mainPool(), a);
935	>	testInvokeOnPool(pool, a);
936		}
937
938		/**
939		* invokeAll(tasks) with > 2 argument throws exception if any task does
940		*/
941		public void testAbnormalInvokeAll3() {
942	+	testAbnormalInvokeAll3(mainPool());
943	+	}
944	+	public void testAbnormalInvokeAll3_Singleton() {
945	+	testAbnormalInvokeAll3(singletonPool());
946	+	}
947	+	public void testAbnormalInvokeAll3(ForkJoinPool pool) {
948		RecursiveAction a = new CheckedRecursiveAction() {
949		protected void realCompute() {
950		AsyncFib f = new AsyncFib(8);
951		FailingAsyncFib g = new FailingAsyncFib(9);
952		AsyncFib h = new AsyncFib(7);
953	+	ForkJoinTask<?>[] tasks = { f, g, h };
954	+	shuffle(tasks);
955		try {
956	<	invokeAll(f, g, h);
956	>	invokeAll(tasks[0], tasks[1], tasks[2]);
957		shouldThrow();
958		} catch (FJException success) {
959		checkCompletedAbnormally(g, success);
960		}
961		}};
962	<	testInvokeOnPool(mainPool(), a);
962	>	testInvokeOnPool(pool, a);
963		}
964
965		/**
966		* invokeAll(collection) throws exception if any task does
967		*/
968		public void testAbnormalInvokeAllCollection() {
969	+	testAbnormalInvokeAllCollection(mainPool());
970	+	}
971	+	public void testAbnormalInvokeAllCollection_Singleton() {
972	+	testAbnormalInvokeAllCollection(singletonPool());
973	+	}
974	+	public void testAbnormalInvokeAllCollection(ForkJoinPool pool) {
975		RecursiveAction a = new CheckedRecursiveAction() {
976		protected void realCompute() {
977		FailingAsyncFib f = new FailingAsyncFib(8);
978		AsyncFib g = new AsyncFib(9);
979		AsyncFib h = new AsyncFib(7);
980	<	HashSet set = new HashSet();
981	<	set.add(f);
805	<	set.add(g);
806	<	set.add(h);
980	>	ForkJoinTask<?>[] tasks = { f, g, h };
981	>	shuffle(tasks);
982		try {
983	<	invokeAll(set);
983	>	invokeAll(Arrays.asList(tasks));
984		shouldThrow();
985		} catch (FJException success) {
986		checkCompletedAbnormally(f, success);
987		}
988		}};
989	<	testInvokeOnPool(mainPool(), a);
989	>	testInvokeOnPool(pool, a);
990		}
991
992		/**
#	Line 828 | Line 1003 | public class ForkJoinTask8Test extends J
1003		assertTrue(f.tryUnfork());
1004		helpQuiesce();
1005		checkNotDone(f);
1006	<	checkCompletedNormally(g);
1006	>	g.checkCompletedNormally();
1007		}};
1008		testInvokeOnPool(singletonPool(), a);
1009		}
#	Line 849 | Line 1024 | public class ForkJoinTask8Test extends J
1024		assertTrue(getSurplusQueuedTaskCount() > 0);
1025		helpQuiesce();
1026		assertEquals(0, getSurplusQueuedTaskCount());
1027	<	checkCompletedNormally(f);
1028	<	checkCompletedNormally(g);
1029	<	checkCompletedNormally(h);
1027	>	f.checkCompletedNormally();
1028	>	g.checkCompletedNormally();
1029	>	h.checkCompletedNormally();
1030		}};
1031		testInvokeOnPool(singletonPool(), a);
1032		}
#	Line 868 | Line 1043 | public class ForkJoinTask8Test extends J
1043		assertSame(f, f.fork());
1044		assertSame(f, peekNextLocalTask());
1045		assertNull(f.join());
1046	<	checkCompletedNormally(f);
1046	>	f.checkCompletedNormally();
1047		helpQuiesce();
1048	<	checkCompletedNormally(g);
1048	>	g.checkCompletedNormally();
1049		}};
1050		testInvokeOnPool(singletonPool(), a);
1051		}
#	Line 889 | Line 1064 | public class ForkJoinTask8Test extends J
1064		assertSame(f, pollNextLocalTask());
1065		helpQuiesce();
1066		checkNotDone(f);
1067	<	assertEquals(34, g.number);
893	<	checkCompletedNormally(g);
1067	>	g.checkCompletedNormally();
1068		}};
1069		testInvokeOnPool(singletonPool(), a);
1070		}
#	Line 908 | Line 1082 | public class ForkJoinTask8Test extends J
1082		assertSame(f, pollTask());
1083		helpQuiesce();
1084		checkNotDone(f);
1085	<	checkCompletedNormally(g);
1085	>	g.checkCompletedNormally();
1086		}};
1087		testInvokeOnPool(singletonPool(), a);
1088		}
#	Line 926 | Line 1100 | public class ForkJoinTask8Test extends J
1100		assertSame(g, peekNextLocalTask());
1101		assertNull(f.join());
1102		helpQuiesce();
1103	<	checkCompletedNormally(f);
1104	<	assertEquals(34, g.number);
931	<	checkCompletedNormally(g);
1103	>	f.checkCompletedNormally();
1104	>	g.checkCompletedNormally();
1105		}};
1106		testInvokeOnPool(asyncSingletonPool(), a);
1107		}
#	Line 946 | Line 1119 | public class ForkJoinTask8Test extends J
1119		assertSame(f, f.fork());
1120		assertSame(g, pollNextLocalTask());
1121		helpQuiesce();
1122	<	assertEquals(21, f.number);
950	<	checkCompletedNormally(f);
1122	>	f.checkCompletedNormally();
1123		checkNotDone(g);
1124		}};
1125		testInvokeOnPool(asyncSingletonPool(), a);
#	Line 966 | Line 1138 | public class ForkJoinTask8Test extends J
1138		assertSame(f, f.fork());
1139		assertSame(g, pollTask());
1140		helpQuiesce();
1141	<	assertEquals(21, f.number);
970	<	checkCompletedNormally(f);
1141	>	f.checkCompletedNormally();
1142		checkNotDone(g);
1143		}};
1144		testInvokeOnPool(asyncSingletonPool(), a);
1145		}
1146
976	–	// versions for singleton pools
977	–
978	–	/**
979	–	* invoke returns when task completes normally.
980	–	* isCompletedAbnormally and isCancelled return false for normally
981	–	* completed tasks; getRawResult returns null.
982	–	*/
983	–	public void testInvokeSingleton() {
984	–	RecursiveAction a = new CheckedRecursiveAction() {
985	–	protected void realCompute() {
986	–	AsyncFib f = new AsyncFib(8);
987	–	assertNull(f.invoke());
988	–	assertEquals(21, f.number);
989	–	checkCompletedNormally(f);
990	–	}};
991	–	testInvokeOnPool(singletonPool(), a);
992	–	}
993	–
994	–	/**
995	–	* quietlyInvoke task returns when task completes normally.
996	–	* isCompletedAbnormally and isCancelled return false for normally
997	–	* completed tasks
998	–	*/
999	–	public void testQuietlyInvokeSingleton() {
1000	–	RecursiveAction a = new CheckedRecursiveAction() {
1001	–	protected void realCompute() {
1002	–	AsyncFib f = new AsyncFib(8);
1003	–	f.quietlyInvoke();
1004	–	assertEquals(21, f.number);
1005	–	checkCompletedNormally(f);
1006	–	}};
1007	–	testInvokeOnPool(singletonPool(), a);
1008	–	}
1009	–
1010	–	/**
1011	–	* join of a forked task returns when task completes
1012	–	*/
1013	–	public void testForkJoinSingleton() {
1014	–	RecursiveAction a = new CheckedRecursiveAction() {
1015	–	protected void realCompute() {
1016	–	AsyncFib f = new AsyncFib(8);
1017	–	assertSame(f, f.fork());
1018	–	assertNull(f.join());
1019	–	assertEquals(21, f.number);
1020	–	checkCompletedNormally(f);
1021	–	}};
1022	–	testInvokeOnPool(singletonPool(), a);
1023	–	}
1024	–
1025	–	/**
1026	–	* get of a forked task returns when task completes
1027	–	*/
1028	–	public void testForkGetSingleton() {
1029	–	RecursiveAction a = new CheckedRecursiveAction() {
1030	–	protected void realCompute() throws Exception {
1031	–	AsyncFib f = new AsyncFib(8);
1032	–	assertSame(f, f.fork());
1033	–	assertNull(f.get());
1034	–	assertEquals(21, f.number);
1035	–	checkCompletedNormally(f);
1036	–	}};
1037	–	testInvokeOnPool(singletonPool(), a);
1038	–	}
1039	–
1040	–	/**
1041	–	* timed get of a forked task returns when task completes
1042	–	*/
1043	–	public void testForkTimedGetSingleton() {
1044	–	RecursiveAction a = new CheckedRecursiveAction() {
1045	–	protected void realCompute() throws Exception {
1046	–	AsyncFib f = new AsyncFib(8);
1047	–	assertSame(f, f.fork());
1048	–	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1049	–	assertEquals(21, f.number);
1050	–	checkCompletedNormally(f);
1051	–	}};
1052	–	testInvokeOnPool(singletonPool(), a);
1053	–	}
1054	–
1055	–	/**
1056	–	* timed get with null time unit throws NPE
1057	–	*/
1058	–	public void testForkTimedGetNPESingleton() {
1059	–	RecursiveAction a = new CheckedRecursiveAction() {
1060	–	protected void realCompute() throws Exception {
1061	–	AsyncFib f = new AsyncFib(8);
1062	–	assertSame(f, f.fork());
1063	–	try {
1064	–	f.get(5L, null);
1065	–	shouldThrow();
1066	–	} catch (NullPointerException success) {}
1067	–	}};
1068	–	testInvokeOnPool(singletonPool(), a);
1069	–	}
1070	–
1071	–	/**
1072	–	* quietlyJoin of a forked task returns when task completes
1073	–	*/
1074	–	public void testForkQuietlyJoinSingleton() {
1075	–	RecursiveAction a = new CheckedRecursiveAction() {
1076	–	protected void realCompute() {
1077	–	AsyncFib f = new AsyncFib(8);
1078	–	assertSame(f, f.fork());
1079	–	f.quietlyJoin();
1080	–	assertEquals(21, f.number);
1081	–	checkCompletedNormally(f);
1082	–	}};
1083	–	testInvokeOnPool(singletonPool(), a);
1084	–	}
1085	–
1086	–	/**
1087	–	* helpQuiesce returns when tasks are complete.
1088	–	* getQueuedTaskCount returns 0 when quiescent
1089	–	*/
1090	–	public void testForkHelpQuiesceSingleton() {
1091	–	RecursiveAction a = new CheckedRecursiveAction() {
1092	–	protected void realCompute() {
1093	–	AsyncFib f = new AsyncFib(8);
1094	–	assertSame(f, f.fork());
1095	–	helpQuiesce();
1096	–	assertEquals(0, getQueuedTaskCount());
1097	–	assertEquals(21, f.number);
1098	–	checkCompletedNormally(f);
1099	–	}};
1100	–	testInvokeOnPool(singletonPool(), a);
1101	–	}
1102	–
1103	–	/**
1104	–	* invoke task throws exception when task completes abnormally
1105	–	*/
1106	–	public void testAbnormalInvokeSingleton() {
1107	–	RecursiveAction a = new CheckedRecursiveAction() {
1108	–	protected void realCompute() {
1109	–	FailingAsyncFib f = new FailingAsyncFib(8);
1110	–	try {
1111	–	f.invoke();
1112	–	shouldThrow();
1113	–	} catch (FJException success) {
1114	–	checkCompletedAbnormally(f, success);
1115	–	}
1116	–	}};
1117	–	testInvokeOnPool(singletonPool(), a);
1118	–	}
1119	–
1120	–	/**
1121	–	* quietlyInvoke task returns when task completes abnormally
1122	–	*/
1123	–	public void testAbnormalQuietlyInvokeSingleton() {
1124	–	RecursiveAction a = new CheckedRecursiveAction() {
1125	–	protected void realCompute() {
1126	–	FailingAsyncFib f = new FailingAsyncFib(8);
1127	–	f.quietlyInvoke();
1128	–	assertTrue(f.getException() instanceof FJException);
1129	–	checkCompletedAbnormally(f, f.getException());
1130	–	}};
1131	–	testInvokeOnPool(singletonPool(), a);
1132	–	}
1133	–
1134	–	/**
1135	–	* join of a forked task throws exception when task completes abnormally
1136	–	*/
1137	–	public void testAbnormalForkJoinSingleton() {
1138	–	RecursiveAction a = new CheckedRecursiveAction() {
1139	–	protected void realCompute() {
1140	–	FailingAsyncFib f = new FailingAsyncFib(8);
1141	–	assertSame(f, f.fork());
1142	–	try {
1143	–	f.join();
1144	–	shouldThrow();
1145	–	} catch (FJException success) {
1146	–	checkCompletedAbnormally(f, success);
1147	–	}
1148	–	}};
1149	–	testInvokeOnPool(singletonPool(), a);
1150	–	}
1151	–
1152	–	/**
1153	–	* get of a forked task throws exception when task completes abnormally
1154	–	*/
1155	–	public void testAbnormalForkGetSingleton() {
1156	–	RecursiveAction a = new CheckedRecursiveAction() {
1157	–	protected void realCompute() throws Exception {
1158	–	FailingAsyncFib f = new FailingAsyncFib(8);
1159	–	assertSame(f, f.fork());
1160	–	try {
1161	–	f.get();
1162	–	shouldThrow();
1163	–	} catch (ExecutionException success) {
1164	–	Throwable cause = success.getCause();
1165	–	assertTrue(cause instanceof FJException);
1166	–	checkCompletedAbnormally(f, cause);
1167	–	}
1168	–	}};
1169	–	testInvokeOnPool(singletonPool(), a);
1170	–	}
1171	–
1172	–	/**
1173	–	* timed get of a forked task throws exception when task completes abnormally
1174	–	*/
1175	–	public void testAbnormalForkTimedGetSingleton() {
1176	–	RecursiveAction a = new CheckedRecursiveAction() {
1177	–	protected void realCompute() throws Exception {
1178	–	FailingAsyncFib f = new FailingAsyncFib(8);
1179	–	assertSame(f, f.fork());
1180	–	try {
1181	–	f.get(LONG_DELAY_MS, MILLISECONDS);
1182	–	shouldThrow();
1183	–	} catch (ExecutionException success) {
1184	–	Throwable cause = success.getCause();
1185	–	assertTrue(cause instanceof FJException);
1186	–	checkCompletedAbnormally(f, cause);
1187	–	}
1188	–	}};
1189	–	testInvokeOnPool(singletonPool(), a);
1190	–	}
1191	–
1192	–	/**
1193	–	* quietlyJoin of a forked task returns when task completes abnormally
1194	–	*/
1195	–	public void testAbnormalForkQuietlyJoinSingleton() {
1196	–	RecursiveAction a = new CheckedRecursiveAction() {
1197	–	protected void realCompute() {
1198	–	FailingAsyncFib f = new FailingAsyncFib(8);
1199	–	assertSame(f, f.fork());
1200	–	f.quietlyJoin();
1201	–	assertTrue(f.getException() instanceof FJException);
1202	–	checkCompletedAbnormally(f, f.getException());
1203	–	}};
1204	–	testInvokeOnPool(singletonPool(), a);
1205	–	}
1206	–
1207	–	/**
1208	–	* invoke task throws exception after invoking completeExceptionally
1209	–	*/
1210	–	public void testCompleteExceptionallySingleton() {
1211	–	RecursiveAction a = new CheckedRecursiveAction() {
1212	–	protected void realCompute() {
1213	–	AsyncFib f = new AsyncFib(8);
1214	–	f.completeExceptionally(new FJException());
1215	–	try {
1216	–	f.invoke();
1217	–	shouldThrow();
1218	–	} catch (FJException success) {
1219	–	checkCompletedAbnormally(f, success);
1220	–	}
1221	–	}};
1222	–	testInvokeOnPool(singletonPool(), a);
1223	–	}
1224	–
1225	–	/**
1226	–	* invokeAll(t1, t2) invokes all task arguments
1227	–	*/
1228	–	public void testInvokeAll2Singleton() {
1229	–	RecursiveAction a = new CheckedRecursiveAction() {
1230	–	protected void realCompute() {
1231	–	AsyncFib f = new AsyncFib(8);
1232	–	AsyncFib g = new AsyncFib(9);
1233	–	invokeAll(f, g);
1234	–	assertEquals(21, f.number);
1235	–	assertEquals(34, g.number);
1236	–	checkCompletedNormally(f);
1237	–	checkCompletedNormally(g);
1238	–	}};
1239	–	testInvokeOnPool(singletonPool(), a);
1240	–	}
1241	–
1242	–	/**
1243	–	* invokeAll(tasks) with 1 argument invokes task
1244	–	*/
1245	–	public void testInvokeAll1Singleton() {
1246	–	RecursiveAction a = new CheckedRecursiveAction() {
1247	–	protected void realCompute() {
1248	–	AsyncFib f = new AsyncFib(8);
1249	–	invokeAll(f);
1250	–	checkCompletedNormally(f);
1251	–	assertEquals(21, f.number);
1252	–	}};
1253	–	testInvokeOnPool(singletonPool(), a);
1254	–	}
1255	–
1256	–	/**
1257	–	* invokeAll(tasks) with > 2 argument invokes tasks
1258	–	*/
1259	–	public void testInvokeAll3Singleton() {
1260	–	RecursiveAction a = new CheckedRecursiveAction() {
1261	–	protected void realCompute() {
1262	–	AsyncFib f = new AsyncFib(8);
1263	–	AsyncFib g = new AsyncFib(9);
1264	–	AsyncFib h = new AsyncFib(7);
1265	–	invokeAll(f, g, h);
1266	–	assertEquals(21, f.number);
1267	–	assertEquals(34, g.number);
1268	–	assertEquals(13, h.number);
1269	–	checkCompletedNormally(f);
1270	–	checkCompletedNormally(g);
1271	–	checkCompletedNormally(h);
1272	–	}};
1273	–	testInvokeOnPool(singletonPool(), a);
1274	–	}
1275	–
1276	–	/**
1277	–	* invokeAll(collection) invokes all tasks in the collection
1278	–	*/
1279	–	public void testInvokeAllCollectionSingleton() {
1280	–	RecursiveAction a = new CheckedRecursiveAction() {
1281	–	protected void realCompute() {
1282	–	AsyncFib f = new AsyncFib(8);
1283	–	AsyncFib g = new AsyncFib(9);
1284	–	AsyncFib h = new AsyncFib(7);
1285	–	HashSet set = new HashSet();
1286	–	set.add(f);
1287	–	set.add(g);
1288	–	set.add(h);
1289	–	invokeAll(set);
1290	–	assertEquals(21, f.number);
1291	–	assertEquals(34, g.number);
1292	–	assertEquals(13, h.number);
1293	–	checkCompletedNormally(f);
1294	–	checkCompletedNormally(g);
1295	–	checkCompletedNormally(h);
1296	–	}};
1297	–	testInvokeOnPool(singletonPool(), a);
1298	–	}
1299	–
1300	–	/**
1301	–	* invokeAll(tasks) with any null task throws NPE
1302	–	*/
1303	–	public void testInvokeAllNPESingleton() {
1304	–	RecursiveAction a = new CheckedRecursiveAction() {
1305	–	protected void realCompute() {
1306	–	AsyncFib f = new AsyncFib(8);
1307	–	AsyncFib g = new AsyncFib(9);
1308	–	AsyncFib h = null;
1309	–	try {
1310	–	invokeAll(f, g, h);
1311	–	shouldThrow();
1312	–	} catch (NullPointerException success) {}
1313	–	}};
1314	–	testInvokeOnPool(singletonPool(), a);
1315	–	}
1316	–
1317	–	/**
1318	–	* invokeAll(t1, t2) throw exception if any task does
1319	–	*/
1320	–	public void testAbnormalInvokeAll2Singleton() {
1321	–	RecursiveAction a = new CheckedRecursiveAction() {
1322	–	protected void realCompute() {
1323	–	AsyncFib f = new AsyncFib(8);
1324	–	FailingAsyncFib g = new FailingAsyncFib(9);
1325	–	try {
1326	–	invokeAll(f, g);
1327	–	shouldThrow();
1328	–	} catch (FJException success) {
1329	–	checkCompletedAbnormally(g, success);
1330	–	}
1331	–	}};
1332	–	testInvokeOnPool(singletonPool(), a);
1333	–	}
1334	–
1335	–	/**
1336	–	* invokeAll(tasks) with 1 argument throws exception if task does
1337	–	*/
1338	–	public void testAbnormalInvokeAll1Singleton() {
1339	–	RecursiveAction a = new CheckedRecursiveAction() {
1340	–	protected void realCompute() {
1341	–	FailingAsyncFib g = new FailingAsyncFib(9);
1342	–	try {
1343	–	invokeAll(g);
1344	–	shouldThrow();
1345	–	} catch (FJException success) {
1346	–	checkCompletedAbnormally(g, success);
1347	–	}
1348	–	}};
1349	–	testInvokeOnPool(singletonPool(), a);
1350	–	}
1351	–
1352	–	/**
1353	–	* invokeAll(tasks) with > 2 argument throws exception if any task does
1354	–	*/
1355	–	public void testAbnormalInvokeAll3Singleton() {
1356	–	RecursiveAction a = new CheckedRecursiveAction() {
1357	–	protected void realCompute() {
1358	–	AsyncFib f = new AsyncFib(8);
1359	–	FailingAsyncFib g = new FailingAsyncFib(9);
1360	–	AsyncFib h = new AsyncFib(7);
1361	–	try {
1362	–	invokeAll(f, g, h);
1363	–	shouldThrow();
1364	–	} catch (FJException success) {
1365	–	checkCompletedAbnormally(g, success);
1366	–	}
1367	–	}};
1368	–	testInvokeOnPool(singletonPool(), a);
1369	–	}
1370	–
1371	–	/**
1372	–	* invokeAll(collection) throws exception if any task does
1373	–	*/
1374	–	public void testAbnormalInvokeAllCollectionSingleton() {
1375	–	RecursiveAction a = new CheckedRecursiveAction() {
1376	–	protected void realCompute() {
1377	–	FailingAsyncFib f = new FailingAsyncFib(8);
1378	–	AsyncFib g = new AsyncFib(9);
1379	–	AsyncFib h = new AsyncFib(7);
1380	–	HashSet set = new HashSet();
1381	–	set.add(f);
1382	–	set.add(g);
1383	–	set.add(h);
1384	–	try {
1385	–	invokeAll(set);
1386	–	shouldThrow();
1387	–	} catch (FJException success) {
1388	–	checkCompletedAbnormally(f, success);
1389	–	}
1390	–	}};
1391	–	testInvokeOnPool(singletonPool(), a);
1392	–	}
1393	–
1147		/**
1148		* ForkJoinTask.quietlyComplete returns when task completes
1149		* normally without setting a value. The most recent value
#	Line 1412 | Line 1165 | public class ForkJoinTask8Test extends J
1165		testInvokeOnPool(mainPool(), a);
1166		}
1167
1168	+	// jdk9
1169	+
1170	+	/**
1171	+	* pollSubmission returns unexecuted submitted task, if present
1172	+	*/
1173	+	public void testPollSubmission() {
1174	+	final CountDownLatch done = new CountDownLatch(1);
1175	+	final ForkJoinTask<?> a = ForkJoinTask.adapt(awaiter(done));
1176	+	final ForkJoinTask<?> b = ForkJoinTask.adapt(awaiter(done));
1177	+	final ForkJoinTask<?> c = ForkJoinTask.adapt(awaiter(done));
1178	+	final ForkJoinPool p = singletonPool();
1179	+	try (PoolCleaner cleaner = cleaner(p, done)) {
1180	+	Thread external = new Thread(new CheckedRunnable() {
1181	+	public void realRun() {
1182	+	p.execute(a);
1183	+	p.execute(b);
1184	+	p.execute(c);
1185	+	}});
1186	+	RecursiveAction s = new CheckedRecursiveAction() {
1187	+	protected void realCompute() {
1188	+	external.start();
1189	+	try {
1190	+	external.join();
1191	+	} catch (Exception ex) {
1192	+	threadUnexpectedException(ex);
1193	+	}
1194	+	assertTrue(p.hasQueuedSubmissions());
1195	+	assertTrue(Thread.currentThread() instanceof ForkJoinWorkerThread);
1196	+	ForkJoinTask<?> r = ForkJoinTask.pollSubmission();
1197	+	assertTrue(r == a || r == b || r == c);
1198	+	assertFalse(r.isDone());
1199	+	}};
1200	+	p.invoke(s);
1201	+	}
1202	+	}
1203	+
1204		}

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