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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.20 by dl, Sun Oct 24 13:41:17 2010 UTC vs.
Revision 1.57 by dl, Mon Aug 12 15:08:44 2019 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6	<	import java.util.concurrent.ExecutionException;
6	>
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>
9	>	import java.util.Arrays;
10	>	import java.util.HashSet;
11	>	import java.util.concurrent.Callable;
12		import java.util.concurrent.CancellationException;
13	+	import java.util.concurrent.ExecutionException;
14		import java.util.concurrent.ForkJoinPool;
15		import java.util.concurrent.ForkJoinTask;
10	–	import java.util.concurrent.ForkJoinWorkerThread;
16		import java.util.concurrent.RecursiveAction;
17	<	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 java.util.HashSet;
21	<	import junit.framework.*;
19	>
20	>	import junit.framework.Test;
21	>	import junit.framework.TestSuite;
22
23		public class ForkJoinTaskTest extends JSR166TestCase {
24
25		public static void main(String[] args) {
26	<	junit.textui.TestRunner.run(suite());
26	>	main(suite(), args);
27		}
28
29		public static Test suite() {
#	Line 26 | Line 31 | public class ForkJoinTaskTest extends JS
31		}
32
33		// Runs with "mainPool" use > 1 thread. singletonPool tests use 1
34	<	static final int mainPoolSize =
34	>	static final int mainPoolSize =
35		Math.max(2, Runtime.getRuntime().availableProcessors());
36
37		private static ForkJoinPool mainPool() {
#	Line 44 | Line 49 | public class ForkJoinTaskTest extends JS
49		}
50
51		private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
52	<	try {
52	>	try (PoolCleaner cleaner = cleaner(pool)) {
53		assertFalse(a.isDone());
54		assertFalse(a.isCompletedNormally());
55		assertFalse(a.isCompletedAbnormally());
56		assertFalse(a.isCancelled());
57		assertNull(a.getException());
58	+	assertNull(a.getRawResult());
59
60		assertNull(pool.invoke(a));
61
#	Line 58 | Line 64 | public class ForkJoinTaskTest extends JS
64		assertFalse(a.isCompletedAbnormally());
65		assertFalse(a.isCancelled());
66		assertNull(a.getException());
67	<	} finally {
62	<	joinPool(pool);
67	>	assertNull(a.getRawResult());
68		}
69		}
70
71	+	void checkNotDone(ForkJoinTask a) {
72	+	assertFalse(a.isDone());
73	+	assertFalse(a.isCompletedNormally());
74	+	assertFalse(a.isCompletedAbnormally());
75	+	assertFalse(a.isCancelled());
76	+	assertNull(a.getException());
77	+	assertNull(a.getRawResult());
78	+
79	+	try {
80	+	a.get(randomExpiredTimeout(), randomTimeUnit());
81	+	shouldThrow();
82	+	} catch (TimeoutException success) {
83	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
84	+	}
85	+
86	+	<T> void checkCompletedNormally(ForkJoinTask<T> a) {
87	+	checkCompletedNormally(a, null);
88	+	}
89	+
90	+	<T> void checkCompletedNormally(ForkJoinTask<T> a, T expectedValue) {
91	+	assertTrue(a.isDone());
92	+	assertFalse(a.isCancelled());
93	+	assertTrue(a.isCompletedNormally());
94	+	assertFalse(a.isCompletedAbnormally());
95	+	assertNull(a.getException());
96	+	assertSame(expectedValue, a.getRawResult());
97	+
98	+	{
99	+	Thread.currentThread().interrupt();
100	+	long startTime = System.nanoTime();
101	+	assertSame(expectedValue, a.join());
102	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
103	+	Thread.interrupted();
104	+	}
105	+
106	+	{
107	+	Thread.currentThread().interrupt();
108	+	long startTime = System.nanoTime();
109	+	a.quietlyJoin();        // should be no-op
110	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
111	+	Thread.interrupted();
112	+	}
113	+
114	+	assertFalse(a.cancel(false));
115	+	assertFalse(a.cancel(true));
116	+
117	+	T v1 = null, v2 = null;
118	+	try {
119	+	v1 = a.get();
120	+	v2 = a.get(randomTimeout(), randomTimeUnit());
121	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
122	+	assertSame(expectedValue, v1);
123	+	assertSame(expectedValue, v2);
124	+	}
125	+
126	+	void checkCancelled(ForkJoinTask a) {
127	+	assertTrue(a.isDone());
128	+	assertTrue(a.isCancelled());
129	+	assertFalse(a.isCompletedNormally());
130	+	assertTrue(a.isCompletedAbnormally());
131	+	assertTrue(a.getException() instanceof CancellationException);
132	+	assertNull(a.getRawResult());
133	+	assertTrue(a.cancel(false));
134	+	assertTrue(a.cancel(true));
135	+
136	+	try {
137	+	Thread.currentThread().interrupt();
138	+	a.join();
139	+	shouldThrow();
140	+	} catch (CancellationException success) {
141	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
142	+	Thread.interrupted();
143	+
144	+	{
145	+	long startTime = System.nanoTime();
146	+	a.quietlyJoin();        // should be no-op
147	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
148	+	}
149	+
150	+	try {
151	+	a.get();
152	+	shouldThrow();
153	+	} catch (CancellationException success) {
154	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
155	+
156	+	try {
157	+	a.get(randomTimeout(), randomTimeUnit());
158	+	shouldThrow();
159	+	} catch (CancellationException success) {
160	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
161	+	}
162	+
163	+	void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
164	+	assertTrue(a.isDone());
165	+	assertFalse(a.isCancelled());
166	+	assertFalse(a.isCompletedNormally());
167	+	assertTrue(a.isCompletedAbnormally());
168	+	assertSame(t.getClass(), a.getException().getClass());
169	+	assertNull(a.getRawResult());
170	+	assertFalse(a.cancel(false));
171	+	assertFalse(a.cancel(true));
172	+
173	+	try {
174	+	Thread.currentThread().interrupt();
175	+	a.join();
176	+	shouldThrow();
177	+	} catch (Throwable expected) {
178	+	assertSame(t.getClass(), expected.getClass());
179	+	}
180	+	Thread.interrupted();
181	+
182	+	{
183	+	long startTime = System.nanoTime();
184	+	a.quietlyJoin();        // should be no-op
185	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
186	+	}
187	+
188	+	try {
189	+	a.get();
190	+	shouldThrow();
191	+	} catch (ExecutionException success) {
192	+	assertSame(t.getClass(), success.getCause().getClass());
193	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
194	+
195	+	try {
196	+	a.get(randomTimeout(), randomTimeUnit());
197	+	shouldThrow();
198	+	} catch (ExecutionException success) {
199	+	assertSame(t.getClass(), success.getCause().getClass());
200	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
201	+	}
202	+
203		/*
204		* Testing coverage notes:
205		*
#	Line 71 | Line 208 | public class ForkJoinTaskTest extends JS
208		* differently than supplied Recursive forms.
209		*/
210
211	<	static final class FJException extends RuntimeException {
211	>	public static final class FJException extends RuntimeException {
212		FJException() { super(); }
213		}
214
#	Line 82 | Line 219 | public class ForkJoinTaskTest extends JS
219		AtomicIntegerFieldUpdater.newUpdater(BinaryAsyncAction.class,
220		"controlState");
221
222	<	private BinaryAsyncAction parent;
222	>	private volatile BinaryAsyncAction parent;
223
224	<	private BinaryAsyncAction sibling;
224	>	private volatile BinaryAsyncAction sibling;
225
226		protected BinaryAsyncAction() {
227		}
#	Line 119 | Line 256 | public class ForkJoinTaskTest extends JS
256		super.completeExceptionally(ex);
257		}
258
259	+	public boolean cancel(boolean mayInterruptIfRunning) {
260	+	if (super.cancel(mayInterruptIfRunning)) {
261	+	completeExceptionally(new FJException());
262	+	return true;
263	+	}
264	+	return false;
265	+	}
266	+
267		public final void complete() {
268		BinaryAsyncAction a = this;
269		for (;;) {
#	Line 140 | Line 285 | public class ForkJoinTaskTest extends JS
285		}
286
287		public final void completeExceptionally(Throwable ex) {
288	<	BinaryAsyncAction a = this;
144	<	while (!a.isCompletedAbnormally()) {
288	>	for (BinaryAsyncAction a = this;;) {
289		a.completeThisExceptionally(ex);
290		BinaryAsyncAction s = a.sibling;
291	<	if (s != null)
292	<	s.cancel(false);
293	<	if (!a.onException() || (a = a.parent) == null)
291	>	if (s != null && !s.isDone())
292	>	s.completeExceptionally(ex);
293	>	if ((a = a.parent) == null)
294		break;
295		}
296		}
#	Line 196 | Line 340 | public class ForkJoinTaskTest extends JS
340		public final boolean exec() {
341		AsyncFib f = this;
342		int n = f.number;
343	<	if (n > 1) {
344	<	while (n > 1) {
345	<	AsyncFib p = f;
346	<	AsyncFib r = new AsyncFib(n - 2);
347	<	f = new AsyncFib(--n);
348	<	p.linkSubtasks(r, f);
205	<	r.fork();
206	<	}
207	<	f.number = n;
343	>	while (n > 1) {
344	>	AsyncFib p = f;
345	>	AsyncFib r = new AsyncFib(n - 2);
346	>	f = new AsyncFib(--n);
347	>	p.linkSubtasks(r, f);
348	>	r.fork();
349		}
350		f.complete();
351		return false;
#	Line 215 | Line 356 | public class ForkJoinTaskTest extends JS
356		}
357		}
358
218	–
359		static final class FailingAsyncFib extends BinaryAsyncAction {
360		int number;
361		public FailingAsyncFib(int n) {
#	Line 225 | Line 365 | public class ForkJoinTaskTest extends JS
365		public final boolean exec() {
366		FailingAsyncFib f = this;
367		int n = f.number;
368	<	if (n > 1) {
369	<	while (n > 1) {
370	<	FailingAsyncFib p = f;
371	<	FailingAsyncFib r = new FailingAsyncFib(n - 2);
372	<	f = new FailingAsyncFib(--n);
373	<	p.linkSubtasks(r, f);
234	<	r.fork();
235	<	}
236	<	f.number = n;
368	>	while (n > 1) {
369	>	FailingAsyncFib p = f;
370	>	FailingAsyncFib r = new FailingAsyncFib(n - 2);
371	>	f = new FailingAsyncFib(--n);
372	>	p.linkSubtasks(r, f);
373	>	r.fork();
374		}
375		f.complete();
376		return false;
#	Line 247 | Line 384 | public class ForkJoinTaskTest extends JS
384		/**
385		* invoke returns when task completes normally.
386		* isCompletedAbnormally and isCancelled return false for normally
387	<	* completed tasks. getRawResult of a RecursiveAction returns null;
387	>	* completed tasks; getRawResult returns null.
388		*/
389		public void testInvoke() {
390		RecursiveAction a = new CheckedRecursiveAction() {
391	<	public void realCompute() {
391	>	protected void realCompute() {
392		AsyncFib f = new AsyncFib(8);
393		assertNull(f.invoke());
394		assertEquals(21, f.number);
395	<	assertTrue(f.isDone());
259	<	assertFalse(f.isCancelled());
260	<	assertFalse(f.isCompletedAbnormally());
261	<	assertNull(f.getRawResult());
395	>	checkCompletedNormally(f);
396		}};
397		testInvokeOnPool(mainPool(), a);
398		}
#	Line 270 | Line 404 | public class ForkJoinTaskTest extends JS
404		*/
405		public void testQuietlyInvoke() {
406		RecursiveAction a = new CheckedRecursiveAction() {
407	<	public void realCompute() {
407	>	protected void realCompute() {
408		AsyncFib f = new AsyncFib(8);
409		f.quietlyInvoke();
410		assertEquals(21, f.number);
411	<	assertTrue(f.isDone());
278	<	assertFalse(f.isCancelled());
279	<	assertFalse(f.isCompletedAbnormally());
280	<	assertNull(f.getRawResult());
411	>	checkCompletedNormally(f);
412		}};
413		testInvokeOnPool(mainPool(), a);
414		}
#	Line 287 | Line 418 | public class ForkJoinTaskTest extends JS
418		*/
419		public void testForkJoin() {
420		RecursiveAction a = new CheckedRecursiveAction() {
421	<	public void realCompute() {
421	>	protected void realCompute() {
422		AsyncFib f = new AsyncFib(8);
423		assertSame(f, f.fork());
424		assertNull(f.join());
425		assertEquals(21, f.number);
426	<	assertTrue(f.isDone());
296	<	assertNull(f.getRawResult());
426	>	checkCompletedNormally(f);
427		}};
428		testInvokeOnPool(mainPool(), a);
429		}
#	Line 303 | Line 433 | public class ForkJoinTaskTest extends JS
433		*/
434		public void testForkGet() {
435		RecursiveAction a = new CheckedRecursiveAction() {
436	<	public void realCompute() throws Exception {
436	>	protected void realCompute() throws Exception {
437		AsyncFib f = new AsyncFib(8);
438		assertSame(f, f.fork());
439		assertNull(f.get());
440		assertEquals(21, f.number);
441	<	assertTrue(f.isDone());
441	>	checkCompletedNormally(f);
442		}};
443		testInvokeOnPool(mainPool(), a);
444		}
#	Line 318 | Line 448 | public class ForkJoinTaskTest extends JS
448		*/
449		public void testForkTimedGet() {
450		RecursiveAction a = new CheckedRecursiveAction() {
451	<	public void realCompute() throws Exception {
451	>	protected void realCompute() throws Exception {
452		AsyncFib f = new AsyncFib(8);
453		assertSame(f, f.fork());
454		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
455		assertEquals(21, f.number);
456	<	assertTrue(f.isDone());
456	>	checkCompletedNormally(f);
457		}};
458		testInvokeOnPool(mainPool(), a);
459		}
#	Line 333 | Line 463 | public class ForkJoinTaskTest extends JS
463		*/
464		public void testForkTimedGetNPE() {
465		RecursiveAction a = new CheckedRecursiveAction() {
466	<	public void realCompute() throws Exception {
466	>	protected void realCompute() throws Exception {
467		AsyncFib f = new AsyncFib(8);
468		assertSame(f, f.fork());
469		try {
470	<	f.get(5L, null);
470	>	f.get(randomTimeout(), null);
471		shouldThrow();
472		} catch (NullPointerException success) {}
473		}};
#	Line 349 | Line 479 | public class ForkJoinTaskTest extends JS
479		*/
480		public void testForkQuietlyJoin() {
481		RecursiveAction a = new CheckedRecursiveAction() {
482	<	public void realCompute() {
482	>	protected void realCompute() {
483		AsyncFib f = new AsyncFib(8);
484		assertSame(f, f.fork());
485		f.quietlyJoin();
486		assertEquals(21, f.number);
487	<	assertTrue(f.isDone());
487	>	checkCompletedNormally(f);
488		}};
489		testInvokeOnPool(mainPool(), a);
490		}
491
362	–
492		/**
493		* helpQuiesce returns when tasks are complete.
494		* getQueuedTaskCount returns 0 when quiescent
495		*/
496		public void testForkHelpQuiesce() {
497		RecursiveAction a = new CheckedRecursiveAction() {
498	<	public void realCompute() {
498	>	protected void realCompute() {
499		AsyncFib f = new AsyncFib(8);
500		assertSame(f, f.fork());
501	<	f.helpQuiesce();
501	>	helpQuiesce();
502	>	while (!f.isDone()) // wait out race
503	>	;
504		assertEquals(21, f.number);
374	–	assertTrue(f.isDone());
505		assertEquals(0, getQueuedTaskCount());
506	+	checkCompletedNormally(f);
507		}};
508		testInvokeOnPool(mainPool(), a);
509		}
510
380	–
511		/**
512		* invoke task throws exception when task completes abnormally
513		*/
514		public void testAbnormalInvoke() {
515		RecursiveAction a = new CheckedRecursiveAction() {
516	<	public void realCompute() {
516	>	protected void realCompute() {
517		FailingAsyncFib f = new FailingAsyncFib(8);
518		try {
519		f.invoke();
520		shouldThrow();
521	<	} catch (FJException success) {}
521	>	} catch (FJException success) {
522	>	checkCompletedAbnormally(f, success);
523	>	}
524		}};
525		testInvokeOnPool(mainPool(), a);
526		}
#	Line 398 | Line 530 | public class ForkJoinTaskTest extends JS
530		*/
531		public void testAbnormalQuietlyInvoke() {
532		RecursiveAction a = new CheckedRecursiveAction() {
533	<	public void realCompute() {
533	>	protected void realCompute() {
534		FailingAsyncFib f = new FailingAsyncFib(8);
535		f.quietlyInvoke();
536	<	assertTrue(f.isDone());
536	>	assertTrue(f.getException() instanceof FJException);
537	>	checkCompletedAbnormally(f, f.getException());
538		}};
539		testInvokeOnPool(mainPool(), a);
540		}
#	Line 411 | Line 544 | public class ForkJoinTaskTest extends JS
544		*/
545		public void testAbnormalForkJoin() {
546		RecursiveAction a = new CheckedRecursiveAction() {
547	<	public void realCompute() {
547	>	protected void realCompute() {
548		FailingAsyncFib f = new FailingAsyncFib(8);
549		assertSame(f, f.fork());
550		try {
551		f.join();
552		shouldThrow();
553	<	} catch (FJException success) {}
553	>	} catch (FJException success) {
554	>	checkCompletedAbnormally(f, success);
555	>	}
556		}};
557		testInvokeOnPool(mainPool(), a);
558		}
#	Line 427 | Line 562 | public class ForkJoinTaskTest extends JS
562		*/
563		public void testAbnormalForkGet() {
564		RecursiveAction a = new CheckedRecursiveAction() {
565	<	public void realCompute() throws Exception {
565	>	protected void realCompute() throws Exception {
566		FailingAsyncFib f = new FailingAsyncFib(8);
567		assertSame(f, f.fork());
568		try {
#	Line 436 | Line 571 | public class ForkJoinTaskTest extends JS
571		} catch (ExecutionException success) {
572		Throwable cause = success.getCause();
573		assertTrue(cause instanceof FJException);
574	<	assertTrue(f.isDone());
440	<	assertTrue(f.isCompletedAbnormally());
441	<	assertSame(cause, f.getException());
574	>	checkCompletedAbnormally(f, cause);
575		}
576		}};
577		testInvokeOnPool(mainPool(), a);
#	Line 449 | Line 582 | public class ForkJoinTaskTest extends JS
582		*/
583		public void testAbnormalForkTimedGet() {
584		RecursiveAction a = new CheckedRecursiveAction() {
585	<	public void realCompute() throws Exception {
585	>	protected void realCompute() throws Exception {
586		FailingAsyncFib f = new FailingAsyncFib(8);
587		assertSame(f, f.fork());
588		try {
#	Line 458 | Line 591 | public class ForkJoinTaskTest extends JS
591		} catch (ExecutionException success) {
592		Throwable cause = success.getCause();
593		assertTrue(cause instanceof FJException);
594	<	assertTrue(f.isDone());
462	<	assertTrue(f.isCompletedAbnormally());
463	<	assertSame(cause, f.getException());
594	>	checkCompletedAbnormally(f, cause);
595		}
596		}};
597		testInvokeOnPool(mainPool(), a);
#	Line 471 | Line 602 | public class ForkJoinTaskTest extends JS
602		*/
603		public void testAbnormalForkQuietlyJoin() {
604		RecursiveAction a = new CheckedRecursiveAction() {
605	<	public void realCompute() {
605	>	protected void realCompute() {
606		FailingAsyncFib f = new FailingAsyncFib(8);
607		assertSame(f, f.fork());
608		f.quietlyJoin();
478	–	assertTrue(f.isDone());
479	–	assertTrue(f.isCompletedAbnormally());
609		assertTrue(f.getException() instanceof FJException);
610	+	checkCompletedAbnormally(f, f.getException());
611		}};
612		testInvokeOnPool(mainPool(), a);
613		}
#	Line 487 | Line 617 | public class ForkJoinTaskTest extends JS
617		*/
618		public void testCancelledInvoke() {
619		RecursiveAction a = new CheckedRecursiveAction() {
620	<	public void realCompute() {
620	>	protected void realCompute() {
621		AsyncFib f = new AsyncFib(8);
622		assertTrue(f.cancel(true));
623		try {
624		f.invoke();
625		shouldThrow();
626		} catch (CancellationException success) {
627	<	assertTrue(f.isDone());
498	<	assertTrue(f.isCancelled());
499	<	assertTrue(f.isCompletedAbnormally());
500	<	assertTrue(f.getException() instanceof CancellationException);
627	>	checkCancelled(f);
628		}
629		}};
630		testInvokeOnPool(mainPool(), a);
#	Line 508 | Line 635 | public class ForkJoinTaskTest extends JS
635		*/
636		public void testCancelledForkJoin() {
637		RecursiveAction a = new CheckedRecursiveAction() {
638	<	public void realCompute() {
638	>	protected void realCompute() {
639		AsyncFib f = new AsyncFib(8);
640		assertTrue(f.cancel(true));
641		assertSame(f, f.fork());
#	Line 516 | Line 643 | public class ForkJoinTaskTest extends JS
643		f.join();
644		shouldThrow();
645		} catch (CancellationException success) {
646	<	assertTrue(f.isDone());
520	<	assertTrue(f.isCancelled());
521	<	assertTrue(f.isCompletedAbnormally());
522	<	assertTrue(f.getException() instanceof CancellationException);
646	>	checkCancelled(f);
647		}
648		}};
649		testInvokeOnPool(mainPool(), a);
#	Line 530 | Line 654 | public class ForkJoinTaskTest extends JS
654		*/
655		public void testCancelledForkGet() {
656		RecursiveAction a = new CheckedRecursiveAction() {
657	<	public void realCompute() throws Exception {
657	>	protected void realCompute() throws Exception {
658		AsyncFib f = new AsyncFib(8);
659		assertTrue(f.cancel(true));
660		assertSame(f, f.fork());
#	Line 538 | Line 662 | public class ForkJoinTaskTest extends JS
662		f.get();
663		shouldThrow();
664		} catch (CancellationException success) {
665	<	assertTrue(f.isDone());
542	<	assertTrue(f.isCancelled());
543	<	assertTrue(f.isCompletedAbnormally());
544	<	assertTrue(f.getException() instanceof CancellationException);
665	>	checkCancelled(f);
666		}
667		}};
668		testInvokeOnPool(mainPool(), a);
#	Line 552 | Line 673 | public class ForkJoinTaskTest extends JS
673		*/
674		public void testCancelledForkTimedGet() throws Exception {
675		RecursiveAction a = new CheckedRecursiveAction() {
676	<	public void realCompute() throws Exception {
676	>	protected void realCompute() throws Exception {
677		AsyncFib f = new AsyncFib(8);
678		assertTrue(f.cancel(true));
679		assertSame(f, f.fork());
#	Line 560 | Line 681 | public class ForkJoinTaskTest extends JS
681		f.get(LONG_DELAY_MS, MILLISECONDS);
682		shouldThrow();
683		} catch (CancellationException success) {
684	<	assertTrue(f.isDone());
564	<	assertTrue(f.isCancelled());
565	<	assertTrue(f.isCompletedAbnormally());
566	<	assertTrue(f.getException() instanceof CancellationException);
684	>	checkCancelled(f);
685		}
686		}};
687		testInvokeOnPool(mainPool(), a);
#	Line 574 | Line 692 | public class ForkJoinTaskTest extends JS
692		*/
693		public void testCancelledForkQuietlyJoin() {
694		RecursiveAction a = new CheckedRecursiveAction() {
695	<	public void realCompute() {
695	>	protected void realCompute() {
696		AsyncFib f = new AsyncFib(8);
697		assertTrue(f.cancel(true));
698		assertSame(f, f.fork());
699		f.quietlyJoin();
700	<	assertTrue(f.isDone());
583	<	assertTrue(f.isCompletedAbnormally());
584	<	assertTrue(f.isCancelled());
585	<	assertTrue(f.getException() instanceof CancellationException);
700	>	checkCancelled(f);
701		}};
702		testInvokeOnPool(mainPool(), a);
703		}
#	Line 593 | Line 708 | public class ForkJoinTaskTest extends JS
708		public void testGetPool() {
709		final ForkJoinPool mainPool = mainPool();
710		RecursiveAction a = new CheckedRecursiveAction() {
711	<	public void realCompute() {
711	>	protected void realCompute() {
712		assertSame(mainPool, getPool());
713		}};
714		testInvokeOnPool(mainPool, a);
#	Line 604 | Line 719 | public class ForkJoinTaskTest extends JS
719		*/
720		public void testGetPool2() {
721		RecursiveAction a = new CheckedRecursiveAction() {
722	<	public void realCompute() {
722	>	protected void realCompute() {
723		assertNull(getPool());
724		}};
725		assertNull(a.invoke());
#	Line 615 | Line 730 | public class ForkJoinTaskTest extends JS
730		*/
731		public void testInForkJoinPool() {
732		RecursiveAction a = new CheckedRecursiveAction() {
733	<	public void realCompute() {
733	>	protected void realCompute() {
734		assertTrue(inForkJoinPool());
735		}};
736		testInvokeOnPool(mainPool(), a);
#	Line 626 | Line 741 | public class ForkJoinTaskTest extends JS
741		*/
742		public void testInForkJoinPool2() {
743		RecursiveAction a = new CheckedRecursiveAction() {
744	<	public void realCompute() {
745	<	assertTrue(!inForkJoinPool());
744	>	protected void realCompute() {
745	>	assertFalse(inForkJoinPool());
746		}};
747		assertNull(a.invoke());
748		}
#	Line 637 | Line 752 | public class ForkJoinTaskTest extends JS
752		*/
753		public void testSetRawResult() {
754		RecursiveAction a = new CheckedRecursiveAction() {
755	<	public void realCompute() {
755	>	protected void realCompute() {
756		setRawResult(null);
757	+	assertNull(getRawResult());
758		}};
759		assertNull(a.invoke());
760		}
#	Line 648 | Line 764 | public class ForkJoinTaskTest extends JS
764		*/
765		public void testCompleteExceptionally() {
766		RecursiveAction a = new CheckedRecursiveAction() {
767	<	public void realCompute() {
767	>	protected void realCompute() {
768		AsyncFib f = new AsyncFib(8);
769		f.completeExceptionally(new FJException());
770		try {
771		f.invoke();
772		shouldThrow();
773	<	} catch (FJException success) {}
773	>	} catch (FJException success) {
774	>	checkCompletedAbnormally(f, success);
775	>	}
776	>	}};
777	>	testInvokeOnPool(mainPool(), a);
778	>	}
779	>
780	>	/**
781	>	* completeExceptionally(null) surprisingly has the same effect as
782	>	* completeExceptionally(new RuntimeException())
783	>	*/
784	>	public void testCompleteExceptionally_null() {
785	>	RecursiveAction a = new CheckedRecursiveAction() {
786	>	protected void realCompute() {
787	>	AsyncFib f = new AsyncFib(8);
788	>	f.completeExceptionally(null);
789	>	try {
790	>	f.invoke();
791	>	shouldThrow();
792	>	} catch (RuntimeException success) {
793	>	assertSame(success.getClass(), RuntimeException.class);
794	>	assertNull(success.getCause());
795	>	checkCompletedAbnormally(f, success);
796	>	}
797		}};
798		testInvokeOnPool(mainPool(), a);
799		}
#	Line 664 | Line 803 | public class ForkJoinTaskTest extends JS
803		*/
804		public void testInvokeAll2() {
805		RecursiveAction a = new CheckedRecursiveAction() {
806	<	public void realCompute() {
806	>	protected void realCompute() {
807		AsyncFib f = new AsyncFib(8);
808		AsyncFib g = new AsyncFib(9);
809		invokeAll(f, g);
671	–	assertTrue(f.isDone());
810		assertEquals(21, f.number);
673	–	assertTrue(g.isDone());
811		assertEquals(34, g.number);
812	+	checkCompletedNormally(f);
813	+	checkCompletedNormally(g);
814		}};
815		testInvokeOnPool(mainPool(), a);
816		}
#	Line 681 | Line 820 | public class ForkJoinTaskTest extends JS
820		*/
821		public void testInvokeAll1() {
822		RecursiveAction a = new CheckedRecursiveAction() {
823	<	public void realCompute() {
823	>	protected void realCompute() {
824		AsyncFib f = new AsyncFib(8);
825		invokeAll(f);
826	<	assertTrue(f.isDone());
826	>	checkCompletedNormally(f);
827		assertEquals(21, f.number);
828		}};
829		testInvokeOnPool(mainPool(), a);
#	Line 695 | Line 834 | public class ForkJoinTaskTest extends JS
834		*/
835		public void testInvokeAll3() {
836		RecursiveAction a = new CheckedRecursiveAction() {
837	<	public void realCompute() {
837	>	protected void realCompute() {
838		AsyncFib f = new AsyncFib(8);
839		AsyncFib g = new AsyncFib(9);
840		AsyncFib h = new AsyncFib(7);
841		invokeAll(f, g, h);
703	–	assertTrue(f.isDone());
842		assertEquals(21, f.number);
705	–	assertTrue(g.isDone());
843		assertEquals(34, g.number);
707	–	assertTrue(h.isDone());
844		assertEquals(13, h.number);
845	+	checkCompletedNormally(f);
846	+	checkCompletedNormally(g);
847	+	checkCompletedNormally(h);
848		}};
849		testInvokeOnPool(mainPool(), a);
850		}
#	Line 715 | Line 854 | public class ForkJoinTaskTest extends JS
854		*/
855		public void testInvokeAllCollection() {
856		RecursiveAction a = new CheckedRecursiveAction() {
857	<	public void realCompute() {
857	>	protected void realCompute() {
858		AsyncFib f = new AsyncFib(8);
859		AsyncFib g = new AsyncFib(9);
860		AsyncFib h = new AsyncFib(7);
#	Line 724 | Line 863 | public class ForkJoinTaskTest extends JS
863		set.add(g);
864		set.add(h);
865		invokeAll(set);
727	–	assertTrue(f.isDone());
866		assertEquals(21, f.number);
729	–	assertTrue(g.isDone());
867		assertEquals(34, g.number);
731	–	assertTrue(h.isDone());
868		assertEquals(13, h.number);
869	+	checkCompletedNormally(f);
870	+	checkCompletedNormally(g);
871	+	checkCompletedNormally(h);
872		}};
873		testInvokeOnPool(mainPool(), a);
874		}
875
737	–
876		/**
877		* invokeAll(tasks) with any null task throws NPE
878		*/
879		public void testInvokeAllNPE() {
880		RecursiveAction a = new CheckedRecursiveAction() {
881	<	public void realCompute() {
881	>	protected void realCompute() {
882		AsyncFib f = new AsyncFib(8);
883		AsyncFib g = new AsyncFib(9);
884		AsyncFib h = null;
#	Line 757 | Line 895 | public class ForkJoinTaskTest extends JS
895		*/
896		public void testAbnormalInvokeAll2() {
897		RecursiveAction a = new CheckedRecursiveAction() {
898	<	public void realCompute() {
898	>	protected void realCompute() {
899		AsyncFib f = new AsyncFib(8);
900		FailingAsyncFib g = new FailingAsyncFib(9);
901	+	ForkJoinTask[] tasks = { f, g };
902	+	shuffle(tasks);
903		try {
904	<	invokeAll(f, g);
904	>	invokeAll(tasks);
905		shouldThrow();
906	<	} catch (FJException success) {}
906	>	} catch (FJException success) {
907	>	checkCompletedAbnormally(g, success);
908	>	}
909		}};
910		testInvokeOnPool(mainPool(), a);
911		}
#	Line 773 | Line 915 | public class ForkJoinTaskTest extends JS
915		*/
916		public void testAbnormalInvokeAll1() {
917		RecursiveAction a = new CheckedRecursiveAction() {
918	<	public void realCompute() {
918	>	protected void realCompute() {
919		FailingAsyncFib g = new FailingAsyncFib(9);
920		try {
921		invokeAll(g);
922		shouldThrow();
923	<	} catch (FJException success) {}
923	>	} catch (FJException success) {
924	>	checkCompletedAbnormally(g, success);
925	>	}
926		}};
927		testInvokeOnPool(mainPool(), a);
928		}
#	Line 788 | Line 932 | public class ForkJoinTaskTest extends JS
932		*/
933		public void testAbnormalInvokeAll3() {
934		RecursiveAction a = new CheckedRecursiveAction() {
935	<	public void realCompute() {
935	>	protected void realCompute() {
936		AsyncFib f = new AsyncFib(8);
937		FailingAsyncFib g = new FailingAsyncFib(9);
938		AsyncFib h = new AsyncFib(7);
939	+	ForkJoinTask[] tasks = { f, g, h };
940	+	shuffle(tasks);
941		try {
942	<	invokeAll(f, g, h);
942	>	invokeAll(tasks);
943		shouldThrow();
944	<	} catch (FJException success) {}
944	>	} catch (FJException success) {
945	>	checkCompletedAbnormally(g, success);
946	>	}
947		}};
948		testInvokeOnPool(mainPool(), a);
949		}
950
951		/**
952	<	* invokeAll(collection)  throws exception if any task does
952	>	* invokeAll(collection) throws exception if any task does
953		*/
954		public void testAbnormalInvokeAllCollection() {
955		RecursiveAction a = new CheckedRecursiveAction() {
956	<	public void realCompute() {
956	>	protected void realCompute() {
957		FailingAsyncFib f = new FailingAsyncFib(8);
958		AsyncFib g = new AsyncFib(9);
959		AsyncFib h = new AsyncFib(7);
960	<	HashSet set = new HashSet();
961	<	set.add(f);
814	<	set.add(g);
815	<	set.add(h);
960	>	ForkJoinTask[] tasks = { f, g, h };
961	>	shuffle(tasks);
962		try {
963	<	invokeAll(set);
963	>	invokeAll(Arrays.asList(tasks));
964		shouldThrow();
965	<	} catch (FJException success) {}
965	>	} catch (FJException success) {
966	>	checkCompletedAbnormally(f, success);
967	>	}
968		}};
969		testInvokeOnPool(mainPool(), a);
970		}
#	Line 827 | Line 975 | public class ForkJoinTaskTest extends JS
975		*/
976		public void testTryUnfork() {
977		RecursiveAction a = new CheckedRecursiveAction() {
978	<	public void realCompute() {
978	>	protected void realCompute() {
979		AsyncFib g = new AsyncFib(9);
980		assertSame(g, g.fork());
981		AsyncFib f = new AsyncFib(8);
982		assertSame(f, f.fork());
983		assertTrue(f.tryUnfork());
984		helpQuiesce();
985	<	assertFalse(f.isDone());
986	<	assertTrue(g.isDone());
985	>	checkNotDone(f);
986	>	checkCompletedNormally(g);
987		}};
988		testInvokeOnPool(singletonPool(), a);
989		}
#	Line 846 | Line 994 | public class ForkJoinTaskTest extends JS
994		*/
995		public void testGetSurplusQueuedTaskCount() {
996		RecursiveAction a = new CheckedRecursiveAction() {
997	<	public void realCompute() {
997	>	protected void realCompute() {
998		AsyncFib h = new AsyncFib(7);
999		assertSame(h, h.fork());
1000		AsyncFib g = new AsyncFib(9);
#	Line 855 | Line 1003 | public class ForkJoinTaskTest extends JS
1003		assertSame(f, f.fork());
1004		assertTrue(getSurplusQueuedTaskCount() > 0);
1005		helpQuiesce();
1006	+	assertEquals(0, getSurplusQueuedTaskCount());
1007	+	checkCompletedNormally(f);
1008	+	checkCompletedNormally(g);
1009	+	checkCompletedNormally(h);
1010		}};
1011		testInvokeOnPool(singletonPool(), a);
1012		}
#	Line 864 | Line 1016 | public class ForkJoinTaskTest extends JS
1016		*/
1017		public void testPeekNextLocalTask() {
1018		RecursiveAction a = new CheckedRecursiveAction() {
1019	<	public void realCompute() {
1019	>	protected void realCompute() {
1020		AsyncFib g = new AsyncFib(9);
1021		assertSame(g, g.fork());
1022		AsyncFib f = new AsyncFib(8);
1023		assertSame(f, f.fork());
1024		assertSame(f, peekNextLocalTask());
1025		assertNull(f.join());
1026	<	assertTrue(f.isDone());
1026	>	checkCompletedNormally(f);
1027		helpQuiesce();
1028	+	checkCompletedNormally(g);
1029		}};
1030		testInvokeOnPool(singletonPool(), a);
1031		}
1032
1033		/**
1034	<	* pollNextLocalTask returns most recent unexecuted task
1035	<	* without executing it
1034	>	* pollNextLocalTask returns most recent unexecuted task without
1035	>	* executing it
1036		*/
1037		public void testPollNextLocalTask() {
1038		RecursiveAction a = new CheckedRecursiveAction() {
1039	<	public void realCompute() {
1039	>	protected void realCompute() {
1040		AsyncFib g = new AsyncFib(9);
1041		assertSame(g, g.fork());
1042		AsyncFib f = new AsyncFib(8);
1043		assertSame(f, f.fork());
1044		assertSame(f, pollNextLocalTask());
1045		helpQuiesce();
1046	<	assertFalse(f.isDone());
1046	>	checkNotDone(f);
1047	>	assertEquals(34, g.number);
1048	>	checkCompletedNormally(g);
1049		}};
1050		testInvokeOnPool(singletonPool(), a);
1051		}
1052
1053		/**
1054	<	* pollTask returns an unexecuted task
900	<	* without executing it
1054	>	* pollTask returns an unexecuted task without executing it
1055		*/
1056		public void testPollTask() {
1057		RecursiveAction a = new CheckedRecursiveAction() {
1058	<	public void realCompute() {
1058	>	protected void realCompute() {
1059		AsyncFib g = new AsyncFib(9);
1060		assertSame(g, g.fork());
1061		AsyncFib f = new AsyncFib(8);
1062		assertSame(f, f.fork());
1063		assertSame(f, pollTask());
1064		helpQuiesce();
1065	<	assertFalse(f.isDone());
1066	<	assertTrue(g.isDone());
1065	>	checkNotDone(f);
1066	>	checkCompletedNormally(g);
1067		}};
1068		testInvokeOnPool(singletonPool(), a);
1069		}
#	Line 919 | Line 1073 | public class ForkJoinTaskTest extends JS
1073		*/
1074		public void testPeekNextLocalTaskAsync() {
1075		RecursiveAction a = new CheckedRecursiveAction() {
1076	<	public void realCompute() {
1076	>	protected void realCompute() {
1077		AsyncFib g = new AsyncFib(9);
1078		assertSame(g, g.fork());
1079		AsyncFib f = new AsyncFib(8);
#	Line 927 | Line 1081 | public class ForkJoinTaskTest extends JS
1081		assertSame(g, peekNextLocalTask());
1082		assertNull(f.join());
1083		helpQuiesce();
1084	<	assertTrue(f.isDone());
1084	>	checkCompletedNormally(f);
1085	>	assertEquals(34, g.number);
1086	>	checkCompletedNormally(g);
1087		}};
1088		testInvokeOnPool(asyncSingletonPool(), a);
1089		}
1090
1091		/**
1092	<	* pollNextLocalTask returns least recent unexecuted task
1093	<	* without executing it, in async mode
1092	>	* pollNextLocalTask returns least recent unexecuted task without
1093	>	* executing it, in async mode
1094		*/
1095		public void testPollNextLocalTaskAsync() {
1096		RecursiveAction a = new CheckedRecursiveAction() {
1097	<	public void realCompute() {
1097	>	protected void realCompute() {
1098		AsyncFib g = new AsyncFib(9);
1099		assertSame(g, g.fork());
1100		AsyncFib f = new AsyncFib(8);
1101		assertSame(f, f.fork());
1102		assertSame(g, pollNextLocalTask());
1103		helpQuiesce();
1104	<	assertTrue(f.isDone());
1105	<	assertFalse(g.isDone());
1104	>	assertEquals(21, f.number);
1105	>	checkCompletedNormally(f);
1106	>	checkNotDone(g);
1107		}};
1108		testInvokeOnPool(asyncSingletonPool(), a);
1109		}
1110
1111		/**
1112	<	* pollTask returns an unexecuted task
1113	<	* without executing it, in async mode
1112	>	* pollTask returns an unexecuted task without executing it, in
1113	>	* async mode
1114		*/
1115		public void testPollTaskAsync() {
1116		RecursiveAction a = new CheckedRecursiveAction() {
1117	<	public void realCompute() {
1117	>	protected void realCompute() {
1118		AsyncFib g = new AsyncFib(9);
1119		assertSame(g, g.fork());
1120		AsyncFib f = new AsyncFib(8);
1121		assertSame(f, f.fork());
1122		assertSame(g, pollTask());
1123		helpQuiesce();
1124	<	assertTrue(f.isDone());
1125	<	assertFalse(g.isDone());
1124	>	assertEquals(21, f.number);
1125	>	checkCompletedNormally(f);
1126	>	checkNotDone(g);
1127		}};
1128		testInvokeOnPool(asyncSingletonPool(), a);
1129		}
#	Line 975 | Line 1133 | public class ForkJoinTaskTest extends JS
1133		/**
1134		* invoke returns when task completes normally.
1135		* isCompletedAbnormally and isCancelled return false for normally
1136	<	* completed tasks. getRawResult of a RecursiveAction returns null;
1136	>	* completed tasks; getRawResult returns null.
1137		*/
1138		public void testInvokeSingleton() {
1139		RecursiveAction a = new CheckedRecursiveAction() {
1140	<	public void realCompute() {
1140	>	protected void realCompute() {
1141		AsyncFib f = new AsyncFib(8);
1142		assertNull(f.invoke());
1143		assertEquals(21, f.number);
1144	<	assertTrue(f.isDone());
987	<	assertFalse(f.isCancelled());
988	<	assertFalse(f.isCompletedAbnormally());
989	<	assertNull(f.getRawResult());
1144	>	checkCompletedNormally(f);
1145		}};
1146		testInvokeOnPool(singletonPool(), a);
1147		}
#	Line 998 | Line 1153 | public class ForkJoinTaskTest extends JS
1153		*/
1154		public void testQuietlyInvokeSingleton() {
1155		RecursiveAction a = new CheckedRecursiveAction() {
1156	<	public void realCompute() {
1156	>	protected void realCompute() {
1157		AsyncFib f = new AsyncFib(8);
1158		f.quietlyInvoke();
1159		assertEquals(21, f.number);
1160	<	assertTrue(f.isDone());
1006	<	assertFalse(f.isCancelled());
1007	<	assertFalse(f.isCompletedAbnormally());
1008	<	assertNull(f.getRawResult());
1160	>	checkCompletedNormally(f);
1161		}};
1162		testInvokeOnPool(singletonPool(), a);
1163		}
#	Line 1015 | Line 1167 | public class ForkJoinTaskTest extends JS
1167		*/
1168		public void testForkJoinSingleton() {
1169		RecursiveAction a = new CheckedRecursiveAction() {
1170	<	public void realCompute() {
1170	>	protected void realCompute() {
1171		AsyncFib f = new AsyncFib(8);
1172		assertSame(f, f.fork());
1173		assertNull(f.join());
1174		assertEquals(21, f.number);
1175	<	assertTrue(f.isDone());
1024	<	assertNull(f.getRawResult());
1175	>	checkCompletedNormally(f);
1176		}};
1177		testInvokeOnPool(singletonPool(), a);
1178		}
#	Line 1031 | Line 1182 | public class ForkJoinTaskTest extends JS
1182		*/
1183		public void testForkGetSingleton() {
1184		RecursiveAction a = new CheckedRecursiveAction() {
1185	<	public void realCompute() throws Exception {
1185	>	protected void realCompute() throws Exception {
1186		AsyncFib f = new AsyncFib(8);
1187		assertSame(f, f.fork());
1188		assertNull(f.get());
1189		assertEquals(21, f.number);
1190	<	assertTrue(f.isDone());
1190	>	checkCompletedNormally(f);
1191		}};
1192		testInvokeOnPool(singletonPool(), a);
1193		}
#	Line 1046 | Line 1197 | public class ForkJoinTaskTest extends JS
1197		*/
1198		public void testForkTimedGetSingleton() {
1199		RecursiveAction a = new CheckedRecursiveAction() {
1200	<	public void realCompute() throws Exception {
1200	>	protected void realCompute() throws Exception {
1201		AsyncFib f = new AsyncFib(8);
1202		assertSame(f, f.fork());
1203		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1204		assertEquals(21, f.number);
1205	<	assertTrue(f.isDone());
1205	>	checkCompletedNormally(f);
1206		}};
1207		testInvokeOnPool(singletonPool(), a);
1208		}
#	Line 1061 | Line 1212 | public class ForkJoinTaskTest extends JS
1212		*/
1213		public void testForkTimedGetNPESingleton() {
1214		RecursiveAction a = new CheckedRecursiveAction() {
1215	<	public void realCompute() throws Exception {
1215	>	protected void realCompute() throws Exception {
1216		AsyncFib f = new AsyncFib(8);
1217		assertSame(f, f.fork());
1218		try {
1219	<	f.get(5L, null);
1219	>	f.get(randomTimeout(), null);
1220		shouldThrow();
1221		} catch (NullPointerException success) {}
1222		}};
#	Line 1077 | Line 1228 | public class ForkJoinTaskTest extends JS
1228		*/
1229		public void testForkQuietlyJoinSingleton() {
1230		RecursiveAction a = new CheckedRecursiveAction() {
1231	<	public void realCompute() {
1231	>	protected void realCompute() {
1232		AsyncFib f = new AsyncFib(8);
1233		assertSame(f, f.fork());
1234		f.quietlyJoin();
1235		assertEquals(21, f.number);
1236	<	assertTrue(f.isDone());
1236	>	checkCompletedNormally(f);
1237		}};
1238		testInvokeOnPool(singletonPool(), a);
1239		}
1240
1090	–
1241		/**
1242		* helpQuiesce returns when tasks are complete.
1243		* getQueuedTaskCount returns 0 when quiescent
1244		*/
1245		public void testForkHelpQuiesceSingleton() {
1246		RecursiveAction a = new CheckedRecursiveAction() {
1247	<	public void realCompute() {
1247	>	protected void realCompute() {
1248		AsyncFib f = new AsyncFib(8);
1249		assertSame(f, f.fork());
1250	<	f.helpQuiesce();
1101	<	assertEquals(21, f.number);
1102	<	assertTrue(f.isDone());
1250	>	helpQuiesce();
1251		assertEquals(0, getQueuedTaskCount());
1252	+	assertEquals(21, f.number);
1253	+	checkCompletedNormally(f);
1254		}};
1255		testInvokeOnPool(singletonPool(), a);
1256		}
1257
1108	–
1258		/**
1259		* invoke task throws exception when task completes abnormally
1260		*/
1261		public void testAbnormalInvokeSingleton() {
1262		RecursiveAction a = new CheckedRecursiveAction() {
1263	<	public void realCompute() {
1263	>	protected void realCompute() {
1264		FailingAsyncFib f = new FailingAsyncFib(8);
1265		try {
1266		f.invoke();
1267		shouldThrow();
1268	<	} catch (FJException success) {}
1268	>	} catch (FJException success) {
1269	>	checkCompletedAbnormally(f, success);
1270	>	}
1271		}};
1272		testInvokeOnPool(singletonPool(), a);
1273		}
#	Line 1126 | Line 1277 | public class ForkJoinTaskTest extends JS
1277		*/
1278		public void testAbnormalQuietlyInvokeSingleton() {
1279		RecursiveAction a = new CheckedRecursiveAction() {
1280	<	public void realCompute() {
1280	>	protected void realCompute() {
1281		FailingAsyncFib f = new FailingAsyncFib(8);
1282		f.quietlyInvoke();
1283	<	assertTrue(f.isDone());
1283	>	assertTrue(f.getException() instanceof FJException);
1284	>	checkCompletedAbnormally(f, f.getException());
1285		}};
1286		testInvokeOnPool(singletonPool(), a);
1287		}
#	Line 1139 | Line 1291 | public class ForkJoinTaskTest extends JS
1291		*/
1292		public void testAbnormalForkJoinSingleton() {
1293		RecursiveAction a = new CheckedRecursiveAction() {
1294	<	public void realCompute() {
1294	>	protected void realCompute() {
1295		FailingAsyncFib f = new FailingAsyncFib(8);
1296		assertSame(f, f.fork());
1297		try {
1298		f.join();
1299		shouldThrow();
1300	<	} catch (FJException success) {}
1300	>	} catch (FJException success) {
1301	>	checkCompletedAbnormally(f, success);
1302	>	}
1303		}};
1304		testInvokeOnPool(singletonPool(), a);
1305		}
#	Line 1155 | Line 1309 | public class ForkJoinTaskTest extends JS
1309		*/
1310		public void testAbnormalForkGetSingleton() {
1311		RecursiveAction a = new CheckedRecursiveAction() {
1312	<	public void realCompute() throws Exception {
1312	>	protected void realCompute() throws Exception {
1313		FailingAsyncFib f = new FailingAsyncFib(8);
1314		assertSame(f, f.fork());
1315		try {
#	Line 1164 | Line 1318 | public class ForkJoinTaskTest extends JS
1318		} catch (ExecutionException success) {
1319		Throwable cause = success.getCause();
1320		assertTrue(cause instanceof FJException);
1321	<	assertTrue(f.isDone());
1168	<	assertTrue(f.isCompletedAbnormally());
1169	<	assertSame(cause, f.getException());
1321	>	checkCompletedAbnormally(f, cause);
1322		}
1323		}};
1324		testInvokeOnPool(singletonPool(), a);
#	Line 1177 | Line 1329 | public class ForkJoinTaskTest extends JS
1329		*/
1330		public void testAbnormalForkTimedGetSingleton() {
1331		RecursiveAction a = new CheckedRecursiveAction() {
1332	<	public void realCompute() throws Exception {
1332	>	protected void realCompute() throws Exception {
1333		FailingAsyncFib f = new FailingAsyncFib(8);
1334		assertSame(f, f.fork());
1335		try {
#	Line 1186 | Line 1338 | public class ForkJoinTaskTest extends JS
1338		} catch (ExecutionException success) {
1339		Throwable cause = success.getCause();
1340		assertTrue(cause instanceof FJException);
1341	<	assertTrue(f.isDone());
1190	<	assertTrue(f.isCompletedAbnormally());
1191	<	assertSame(cause, f.getException());
1341	>	checkCompletedAbnormally(f, cause);
1342		}
1343		}};
1344		testInvokeOnPool(singletonPool(), a);
#	Line 1199 | Line 1349 | public class ForkJoinTaskTest extends JS
1349		*/
1350		public void testAbnormalForkQuietlyJoinSingleton() {
1351		RecursiveAction a = new CheckedRecursiveAction() {
1352	<	public void realCompute() {
1352	>	protected void realCompute() {
1353		FailingAsyncFib f = new FailingAsyncFib(8);
1354		assertSame(f, f.fork());
1355		f.quietlyJoin();
1206	–	assertTrue(f.isDone());
1207	–	assertTrue(f.isCompletedAbnormally());
1356		assertTrue(f.getException() instanceof FJException);
1357	+	checkCompletedAbnormally(f, f.getException());
1358		}};
1359		testInvokeOnPool(singletonPool(), a);
1360		}
#	Line 1215 | Line 1364 | public class ForkJoinTaskTest extends JS
1364		*/
1365		public void testCancelledInvokeSingleton() {
1366		RecursiveAction a = new CheckedRecursiveAction() {
1367	<	public void realCompute() {
1367	>	protected void realCompute() {
1368		AsyncFib f = new AsyncFib(8);
1369		assertTrue(f.cancel(true));
1370		try {
1371		f.invoke();
1372		shouldThrow();
1373		} catch (CancellationException success) {
1374	<	assertTrue(f.isDone());
1226	<	assertTrue(f.isCancelled());
1227	<	assertTrue(f.isCompletedAbnormally());
1228	<	assertTrue(f.getException() instanceof CancellationException);
1374	>	checkCancelled(f);
1375		}
1376		}};
1377		testInvokeOnPool(singletonPool(), a);
#	Line 1236 | Line 1382 | public class ForkJoinTaskTest extends JS
1382		*/
1383		public void testCancelledForkJoinSingleton() {
1384		RecursiveAction a = new CheckedRecursiveAction() {
1385	<	public void realCompute() {
1385	>	protected void realCompute() {
1386		AsyncFib f = new AsyncFib(8);
1387		assertTrue(f.cancel(true));
1388		assertSame(f, f.fork());
#	Line 1244 | Line 1390 | public class ForkJoinTaskTest extends JS
1390		f.join();
1391		shouldThrow();
1392		} catch (CancellationException success) {
1393	<	assertTrue(f.isDone());
1248	<	assertTrue(f.isCancelled());
1249	<	assertTrue(f.isCompletedAbnormally());
1250	<	assertTrue(f.getException() instanceof CancellationException);
1393	>	checkCancelled(f);
1394		}
1395		}};
1396		testInvokeOnPool(singletonPool(), a);
#	Line 1258 | Line 1401 | public class ForkJoinTaskTest extends JS
1401		*/
1402		public void testCancelledForkGetSingleton() {
1403		RecursiveAction a = new CheckedRecursiveAction() {
1404	<	public void realCompute() throws Exception {
1404	>	protected void realCompute() throws Exception {
1405		AsyncFib f = new AsyncFib(8);
1406		assertTrue(f.cancel(true));
1407		assertSame(f, f.fork());
#	Line 1266 | Line 1409 | public class ForkJoinTaskTest extends JS
1409		f.get();
1410		shouldThrow();
1411		} catch (CancellationException success) {
1412	<	assertTrue(f.isDone());
1270	<	assertTrue(f.isCancelled());
1271	<	assertTrue(f.isCompletedAbnormally());
1272	<	assertTrue(f.getException() instanceof CancellationException);
1412	>	checkCancelled(f);
1413		}
1414		}};
1415		testInvokeOnPool(singletonPool(), a);
#	Line 1280 | Line 1420 | public class ForkJoinTaskTest extends JS
1420		*/
1421		public void testCancelledForkTimedGetSingleton() throws Exception {
1422		RecursiveAction a = new CheckedRecursiveAction() {
1423	<	public void realCompute() throws Exception {
1423	>	protected void realCompute() throws Exception {
1424		AsyncFib f = new AsyncFib(8);
1425		assertTrue(f.cancel(true));
1426		assertSame(f, f.fork());
#	Line 1288 | Line 1428 | public class ForkJoinTaskTest extends JS
1428		f.get(LONG_DELAY_MS, MILLISECONDS);
1429		shouldThrow();
1430		} catch (CancellationException success) {
1431	<	assertTrue(f.isDone());
1292	<	assertTrue(f.isCancelled());
1293	<	assertTrue(f.isCompletedAbnormally());
1294	<	assertTrue(f.getException() instanceof CancellationException);
1431	>	checkCancelled(f);
1432		}
1433		}};
1434		testInvokeOnPool(singletonPool(), a);
#	Line 1302 | Line 1439 | public class ForkJoinTaskTest extends JS
1439		*/
1440		public void testCancelledForkQuietlyJoinSingleton() {
1441		RecursiveAction a = new CheckedRecursiveAction() {
1442	<	public void realCompute() {
1442	>	protected void realCompute() {
1443		AsyncFib f = new AsyncFib(8);
1444		assertTrue(f.cancel(true));
1445		assertSame(f, f.fork());
1446		f.quietlyJoin();
1447	<	assertTrue(f.isDone());
1311	<	assertTrue(f.isCompletedAbnormally());
1312	<	assertTrue(f.isCancelled());
1313	<	assertTrue(f.getException() instanceof CancellationException);
1447	>	checkCancelled(f);
1448		}};
1449		testInvokeOnPool(singletonPool(), a);
1450		}
#	Line 1320 | Line 1454 | public class ForkJoinTaskTest extends JS
1454		*/
1455		public void testCompleteExceptionallySingleton() {
1456		RecursiveAction a = new CheckedRecursiveAction() {
1457	<	public void realCompute() {
1457	>	protected void realCompute() {
1458		AsyncFib f = new AsyncFib(8);
1459		f.completeExceptionally(new FJException());
1460		try {
1461		f.invoke();
1462		shouldThrow();
1463	<	} catch (FJException success) {}
1463	>	} catch (FJException success) {
1464	>	checkCompletedAbnormally(f, success);
1465	>	}
1466		}};
1467		testInvokeOnPool(singletonPool(), a);
1468		}
#	Line 1336 | Line 1472 | public class ForkJoinTaskTest extends JS
1472		*/
1473		public void testInvokeAll2Singleton() {
1474		RecursiveAction a = new CheckedRecursiveAction() {
1475	<	public void realCompute() {
1475	>	protected void realCompute() {
1476		AsyncFib f = new AsyncFib(8);
1477		AsyncFib g = new AsyncFib(9);
1478		invokeAll(f, g);
1343	–	assertTrue(f.isDone());
1479		assertEquals(21, f.number);
1345	–	assertTrue(g.isDone());
1480		assertEquals(34, g.number);
1481	+	checkCompletedNormally(f);
1482	+	checkCompletedNormally(g);
1483		}};
1484		testInvokeOnPool(singletonPool(), a);
1485		}
#	Line 1353 | Line 1489 | public class ForkJoinTaskTest extends JS
1489		*/
1490		public void testInvokeAll1Singleton() {
1491		RecursiveAction a = new CheckedRecursiveAction() {
1492	<	public void realCompute() {
1492	>	protected void realCompute() {
1493		AsyncFib f = new AsyncFib(8);
1494		invokeAll(f);
1495	<	assertTrue(f.isDone());
1495	>	checkCompletedNormally(f);
1496		assertEquals(21, f.number);
1497		}};
1498		testInvokeOnPool(singletonPool(), a);
#	Line 1367 | Line 1503 | public class ForkJoinTaskTest extends JS
1503		*/
1504		public void testInvokeAll3Singleton() {
1505		RecursiveAction a = new CheckedRecursiveAction() {
1506	<	public void realCompute() {
1506	>	protected void realCompute() {
1507		AsyncFib f = new AsyncFib(8);
1508		AsyncFib g = new AsyncFib(9);
1509		AsyncFib h = new AsyncFib(7);
1510		invokeAll(f, g, h);
1375	–	assertTrue(f.isDone());
1511		assertEquals(21, f.number);
1377	–	assertTrue(g.isDone());
1512		assertEquals(34, g.number);
1379	–	assertTrue(h.isDone());
1513		assertEquals(13, h.number);
1514	+	checkCompletedNormally(f);
1515	+	checkCompletedNormally(g);
1516	+	checkCompletedNormally(h);
1517		}};
1518		testInvokeOnPool(singletonPool(), a);
1519		}
#	Line 1387 | Line 1523 | public class ForkJoinTaskTest extends JS
1523		*/
1524		public void testInvokeAllCollectionSingleton() {
1525		RecursiveAction a = new CheckedRecursiveAction() {
1526	<	public void realCompute() {
1526	>	protected void realCompute() {
1527		AsyncFib f = new AsyncFib(8);
1528		AsyncFib g = new AsyncFib(9);
1529		AsyncFib h = new AsyncFib(7);
#	Line 1396 | Line 1532 | public class ForkJoinTaskTest extends JS
1532		set.add(g);
1533		set.add(h);
1534		invokeAll(set);
1399	–	assertTrue(f.isDone());
1535		assertEquals(21, f.number);
1401	–	assertTrue(g.isDone());
1536		assertEquals(34, g.number);
1403	–	assertTrue(h.isDone());
1537		assertEquals(13, h.number);
1538	+	checkCompletedNormally(f);
1539	+	checkCompletedNormally(g);
1540	+	checkCompletedNormally(h);
1541		}};
1542		testInvokeOnPool(singletonPool(), a);
1543		}
1544
1409	–
1545		/**
1546		* invokeAll(tasks) with any null task throws NPE
1547		*/
1548		public void testInvokeAllNPESingleton() {
1549		RecursiveAction a = new CheckedRecursiveAction() {
1550	<	public void realCompute() {
1550	>	protected void realCompute() {
1551		AsyncFib f = new AsyncFib(8);
1552		AsyncFib g = new AsyncFib(9);
1553		AsyncFib h = null;
#	Line 1429 | Line 1564 | public class ForkJoinTaskTest extends JS
1564		*/
1565		public void testAbnormalInvokeAll2Singleton() {
1566		RecursiveAction a = new CheckedRecursiveAction() {
1567	<	public void realCompute() {
1567	>	protected void realCompute() {
1568		AsyncFib f = new AsyncFib(8);
1569		FailingAsyncFib g = new FailingAsyncFib(9);
1570	+	ForkJoinTask[] tasks = { f, g };
1571	+	shuffle(tasks);
1572		try {
1573	<	invokeAll(f, g);
1573	>	invokeAll(tasks);
1574		shouldThrow();
1575	<	} catch (FJException success) {}
1575	>	} catch (FJException success) {
1576	>	checkCompletedAbnormally(g, success);
1577	>	}
1578		}};
1579		testInvokeOnPool(singletonPool(), a);
1580		}
#	Line 1445 | Line 1584 | public class ForkJoinTaskTest extends JS
1584		*/
1585		public void testAbnormalInvokeAll1Singleton() {
1586		RecursiveAction a = new CheckedRecursiveAction() {
1587	<	public void realCompute() {
1587	>	protected void realCompute() {
1588		FailingAsyncFib g = new FailingAsyncFib(9);
1589		try {
1590		invokeAll(g);
1591		shouldThrow();
1592	<	} catch (FJException success) {}
1592	>	} catch (FJException success) {
1593	>	checkCompletedAbnormally(g, success);
1594	>	}
1595		}};
1596		testInvokeOnPool(singletonPool(), a);
1597		}
#	Line 1460 | Line 1601 | public class ForkJoinTaskTest extends JS
1601		*/
1602		public void testAbnormalInvokeAll3Singleton() {
1603		RecursiveAction a = new CheckedRecursiveAction() {
1604	<	public void realCompute() {
1604	>	protected void realCompute() {
1605		AsyncFib f = new AsyncFib(8);
1606		FailingAsyncFib g = new FailingAsyncFib(9);
1607		AsyncFib h = new AsyncFib(7);
1608	+	ForkJoinTask[] tasks = { f, g, h };
1609	+	shuffle(tasks);
1610		try {
1611	<	invokeAll(f, g, h);
1611	>	invokeAll(tasks);
1612		shouldThrow();
1613	<	} catch (FJException success) {}
1613	>	} catch (FJException success) {
1614	>	checkCompletedAbnormally(g, success);
1615	>	}
1616		}};
1617		testInvokeOnPool(singletonPool(), a);
1618		}
1619
1620		/**
1621	<	* invokeAll(collection)  throws exception if any task does
1621	>	* invokeAll(collection) throws exception if any task does
1622		*/
1623		public void testAbnormalInvokeAllCollectionSingleton() {
1624		RecursiveAction a = new CheckedRecursiveAction() {
1625	<	public void realCompute() {
1625	>	protected void realCompute() {
1626		FailingAsyncFib f = new FailingAsyncFib(8);
1627		AsyncFib g = new AsyncFib(9);
1628		AsyncFib h = new AsyncFib(7);
1629	<	HashSet set = new HashSet();
1630	<	set.add(f);
1486	<	set.add(g);
1487	<	set.add(h);
1629	>	ForkJoinTask[] tasks = { f, g, h };
1630	>	shuffle(tasks);
1631		try {
1632	<	invokeAll(set);
1632	>	invokeAll(Arrays.asList(tasks));
1633		shouldThrow();
1634	<	} catch (FJException success) {}
1634	>	} catch (FJException success) {
1635	>	checkCompletedAbnormally(f, success);
1636	>	}
1637		}};
1638		testInvokeOnPool(singletonPool(), a);
1639		}
1640
1641	+	/**
1642	+	* ForkJoinTask.quietlyComplete returns when task completes
1643	+	* normally without setting a value. The most recent value
1644	+	* established by setRawResult(V) (or null by default) is returned
1645	+	* from invoke.
1646	+	*/
1647	+	public void testQuietlyComplete() {
1648	+	RecursiveAction a = new CheckedRecursiveAction() {
1649	+	protected void realCompute() {
1650	+	AsyncFib f = new AsyncFib(8);
1651	+	f.quietlyComplete();
1652	+	assertEquals(8, f.number);
1653	+	checkCompletedNormally(f);
1654	+	}};
1655	+	testInvokeOnPool(mainPool(), a);
1656	+	}
1657	+
1658	+	/**
1659	+	* adapt(runnable).toString() contains toString of wrapped task
1660	+	*/
1661	+	public void testAdapt_Runnable_toString() {
1662	+	if (testImplementationDetails) {
1663	+	Runnable r = () -> {};
1664	+	ForkJoinTask<?> task = ForkJoinTask.adapt(r);
1665	+	assertEquals(
1666	+	identityString(task) + "[Wrapped task = " + r.toString() + "]",
1667	+	task.toString());
1668	+	}
1669	+	}
1670	+
1671	+	/**
1672	+	* adapt(runnable, x).toString() contains toString of wrapped task
1673	+	*/
1674	+	public void testAdapt_Runnable_withResult_toString() {
1675	+	if (testImplementationDetails) {
1676	+	Runnable r = () -> {};
1677	+	ForkJoinTask<String> task = ForkJoinTask.adapt(r, "");
1678	+	assertEquals(
1679	+	identityString(task) + "[Wrapped task = " + r.toString() + "]",
1680	+	task.toString());
1681	+	}
1682	+	}
1683	+
1684	+	/**
1685	+	* adapt(callable).toString() contains toString of wrapped task
1686	+	*/
1687	+	public void testAdapt_Callable_toString() {
1688	+	if (testImplementationDetails) {
1689	+	Callable<String> c = () -> "";
1690	+	ForkJoinTask<String> task = ForkJoinTask.adapt(c);
1691	+	assertEquals(
1692	+	identityString(task) + "[Wrapped task = " + c.toString() + "]",
1693	+	task.toString());
1694	+	}
1695	+	}
1696		}

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