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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.12 by jsr166, Mon Sep 13 07:22:29 2010 UTC vs.
Revision 1.24 by jsr166, Sun Nov 21 19:06:53 2010 UTC

#	Line 3 | Line 3
3		* Expert Group and released to the public domain, as explained at
4		* http://creativecommons.org/licenses/publicdomain
5		*/
6	–	import java.util.*;
7	–	import java.util.concurrent.Executor;
8	–	import java.util.concurrent.Executors;
9	–	import java.util.concurrent.ExecutorService;
10	–	import java.util.concurrent.AbstractExecutorService;
11	–	import java.util.concurrent.CountDownLatch;
12	–	import java.util.concurrent.Callable;
13	–	import java.util.concurrent.Future;
6		import java.util.concurrent.ExecutionException;
7		import java.util.concurrent.CancellationException;
16	–	import java.util.concurrent.RejectedExecutionException;
8		import java.util.concurrent.ForkJoinPool;
9		import java.util.concurrent.ForkJoinTask;
10		import java.util.concurrent.ForkJoinWorkerThread;
11		import java.util.concurrent.RecursiveAction;
21	–	import java.util.concurrent.RecursiveTask;
12		import java.util.concurrent.TimeUnit;
13	+	import java.util.concurrent.TimeoutException;
14	+	import java.util.concurrent.atomic.AtomicIntegerFieldUpdater;
15	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
16	+	import static java.util.concurrent.TimeUnit.SECONDS;
17	+	import java.util.HashSet;
18		import junit.framework.*;
24	–	import java.util.concurrent.TimeUnit;
25	–	import java.util.concurrent.atomic.*;
26	–	import java.util.*;
19
20		public class ForkJoinTaskTest extends JSR166TestCase {
21
#	Line 35 | Line 27 | public class ForkJoinTaskTest extends JS
27		return new TestSuite(ForkJoinTaskTest.class);
28		}
29
30	<	/**
30	>	// Runs with "mainPool" use > 1 thread. singletonPool tests use 1
31	>	static final int mainPoolSize =
32	>	Math.max(2, Runtime.getRuntime().availableProcessors());
33	>
34	>	private static ForkJoinPool mainPool() {
35	>	return new ForkJoinPool(mainPoolSize);
36	>	}
37	>
38	>	private static ForkJoinPool singletonPool() {
39	>	return new ForkJoinPool(1);
40	>	}
41	>
42	>	private static ForkJoinPool asyncSingletonPool() {
43	>	return new ForkJoinPool(1,
44	>	ForkJoinPool.defaultForkJoinWorkerThreadFactory,
45	>	null, true);
46	>	}
47	>
48	>	private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
49	>	try {
50	>	assertFalse(a.isDone());
51	>	assertFalse(a.isCompletedNormally());
52	>	assertFalse(a.isCompletedAbnormally());
53	>	assertFalse(a.isCancelled());
54	>	assertNull(a.getException());
55	>	assertNull(a.getRawResult());
56	>
57	>	assertNull(pool.invoke(a));
58	>
59	>	assertTrue(a.isDone());
60	>	assertTrue(a.isCompletedNormally());
61	>	assertFalse(a.isCompletedAbnormally());
62	>	assertFalse(a.isCancelled());
63	>	assertNull(a.getException());
64	>	assertNull(a.getRawResult());
65	>	} finally {
66	>	joinPool(pool);
67	>	}
68	>	}
69	>
70	>	void checkNotDone(ForkJoinTask a) {
71	>	assertFalse(a.isDone());
72	>	assertFalse(a.isCompletedNormally());
73	>	assertFalse(a.isCompletedAbnormally());
74	>	assertFalse(a.isCancelled());
75	>	assertNull(a.getException());
76	>	assertNull(a.getRawResult());
77	>
78	>	try {
79	>	a.get(0L, SECONDS);
80	>	shouldThrow();
81	>	} catch (TimeoutException success) {
82	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
83	>	}
84	>
85	>	<T> void checkCompletedNormally(ForkJoinTask<T> a) {
86	>	checkCompletedNormally(a, null);
87	>	}
88	>
89	>	<T> void checkCompletedNormally(ForkJoinTask<T> a, T expected) {
90	>	assertTrue(a.isDone());
91	>	assertFalse(a.isCancelled());
92	>	assertTrue(a.isCompletedNormally());
93	>	assertFalse(a.isCompletedAbnormally());
94	>	assertNull(a.getException());
95	>	assertSame(expected, a.getRawResult());
96	>	assertSame(expected, a.join());
97	>	try {
98	>	assertSame(expected, a.get());
99	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	>	try {
101	>	assertSame(expected, a.get(5L, SECONDS));
102	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	>	}
104	>
105	>	void checkCancelled(ForkJoinTask a) {
106	>	assertTrue(a.isDone());
107	>	assertTrue(a.isCancelled());
108	>	assertFalse(a.isCompletedNormally());
109	>	assertTrue(a.isCompletedAbnormally());
110	>	assertTrue(a.getException() instanceof CancellationException);
111	>	assertNull(a.getRawResult());
112	>
113	>	try {
114	>	a.join();
115	>	shouldThrow();
116	>	} catch (CancellationException success) {
117	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
118	>
119	>	try {
120	>	a.get();
121	>	shouldThrow();
122	>	} catch (CancellationException success) {
123	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
124	>
125	>	try {
126	>	a.get(5L, SECONDS);
127	>	shouldThrow();
128	>	} catch (CancellationException success) {
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>	}
131	>
132	>	void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
133	>	assertTrue(a.isDone());
134	>	assertFalse(a.isCancelled());
135	>	assertFalse(a.isCompletedNormally());
136	>	assertTrue(a.isCompletedAbnormally());
137	>	assertSame(t, a.getException());
138	>	assertNull(a.getRawResult());
139	>
140	>	try {
141	>	a.join();
142	>	shouldThrow();
143	>	} catch (Throwable expected) {
144	>	assertSame(t, expected);
145	>	}
146	>
147	>	try {
148	>	a.get();
149	>	shouldThrow();
150	>	} catch (ExecutionException success) {
151	>	assertSame(t, success.getCause());
152	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
153	>
154	>	try {
155	>	a.get(5L, SECONDS);
156	>	shouldThrow();
157	>	} catch (ExecutionException success) {
158	>	assertSame(t, success.getCause());
159	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
160	>	}
161	>
162	>	/*
163		* Testing coverage notes:
164		*
165		* To test extension methods and overrides, most tests use
#	Line 43 | Line 167 | public class ForkJoinTaskTest extends JS
167		* differently than supplied Recursive forms.
168		*/
169
46	–	static final ForkJoinPool mainPool = new ForkJoinPool();
47	–	static final ForkJoinPool singletonPool = new ForkJoinPool(1);
48	–	static final ForkJoinPool asyncSingletonPool =
49	–	new ForkJoinPool(1, ForkJoinPool.defaultForkJoinWorkerThreadFactory,
50	–	null, true);
170		static final class FJException extends RuntimeException {
171		FJException() { super(); }
172		}
173
174	<	static abstract class BinaryAsyncAction extends ForkJoinTask<Void> {
174	>	abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
175		private volatile int controlState;
176
177		static final AtomicIntegerFieldUpdater<BinaryAsyncAction> controlStateUpdater =
#	Line 227 | Line 346 | public class ForkJoinTaskTest extends JS
346		* completed tasks. getRawResult of a RecursiveAction returns null;
347		*/
348		public void testInvoke() {
349	<	RecursiveAction a = new RecursiveAction() {
350	<	public void compute() {
349	>	RecursiveAction a = new CheckedRecursiveAction() {
350	>	public void realCompute() {
351		AsyncFib f = new AsyncFib(8);
352	<	f.invoke();
353	<	threadAssertTrue(f.number == 21);
354	<	threadAssertTrue(f.isDone());
236	<	threadAssertFalse(f.isCancelled());
237	<	threadAssertFalse(f.isCompletedAbnormally());
238	<	threadAssertTrue(f.getRawResult() == null);
352	>	assertNull(f.invoke());
353	>	assertEquals(21, f.number);
354	>	checkCompletedNormally(f);
355		}};
356	<	mainPool.invoke(a);
356	>	testInvokeOnPool(mainPool(), a);
357		}
358
359		/**
#	Line 246 | Line 362 | public class ForkJoinTaskTest extends JS
362		* completed tasks
363		*/
364		public void testQuietlyInvoke() {
365	<	RecursiveAction a = new RecursiveAction() {
366	<	public void compute() {
365	>	RecursiveAction a = new CheckedRecursiveAction() {
366	>	public void realCompute() {
367		AsyncFib f = new AsyncFib(8);
368		f.quietlyInvoke();
369	<	threadAssertTrue(f.number == 21);
370	<	threadAssertTrue(f.isDone());
255	<	threadAssertFalse(f.isCancelled());
256	<	threadAssertFalse(f.isCompletedAbnormally());
257	<	threadAssertTrue(f.getRawResult() == null);
369	>	assertEquals(21, f.number);
370	>	checkCompletedNormally(f);
371		}};
372	<	mainPool.invoke(a);
372	>	testInvokeOnPool(mainPool(), a);
373		}
374
375		/**
376		* join of a forked task returns when task completes
377		*/
378		public void testForkJoin() {
379	<	RecursiveAction a = new RecursiveAction() {
380	<	public void compute() {
379	>	RecursiveAction a = new CheckedRecursiveAction() {
380	>	public void realCompute() {
381		AsyncFib f = new AsyncFib(8);
382	<	f.fork();
383	<	f.join();
384	<	threadAssertTrue(f.number == 21);
385	<	threadAssertTrue(f.isDone());
273	<	threadAssertTrue(f.getRawResult() == null);
382	>	assertSame(f, f.fork());
383	>	assertNull(f.join());
384	>	assertEquals(21, f.number);
385	>	checkCompletedNormally(f);
386		}};
387	<	mainPool.invoke(a);
387	>	testInvokeOnPool(mainPool(), a);
388		}
389
390		/**
391		* get of a forked task returns when task completes
392		*/
393		public void testForkGet() {
394	<	RecursiveAction a = new RecursiveAction() {
395	<	public void compute() {
396	<	try {
397	<	AsyncFib f = new AsyncFib(8);
398	<	f.fork();
399	<	f.get();
400	<	threadAssertTrue(f.number == 21);
289	<	threadAssertTrue(f.isDone());
290	<	} catch (Exception ex) {
291	<	unexpectedException(ex);
292	<	}
394	>	RecursiveAction a = new CheckedRecursiveAction() {
395	>	public void realCompute() throws Exception {
396	>	AsyncFib f = new AsyncFib(8);
397	>	assertSame(f, f.fork());
398	>	assertNull(f.get());
399	>	assertEquals(21, f.number);
400	>	checkCompletedNormally(f);
401		}};
402	<	mainPool.invoke(a);
402	>	testInvokeOnPool(mainPool(), a);
403		}
404
405		/**
406		* timed get of a forked task returns when task completes
407		*/
408		public void testForkTimedGet() {
409	<	RecursiveAction a = new RecursiveAction() {
410	<	public void compute() {
411	<	try {
412	<	AsyncFib f = new AsyncFib(8);
413	<	f.fork();
414	<	f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
415	<	threadAssertTrue(f.number == 21);
308	<	threadAssertTrue(f.isDone());
309	<	} catch (Exception ex) {
310	<	unexpectedException(ex);
311	<	}
409	>	RecursiveAction a = new CheckedRecursiveAction() {
410	>	public void realCompute() throws Exception {
411	>	AsyncFib f = new AsyncFib(8);
412	>	assertSame(f, f.fork());
413	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
414	>	assertEquals(21, f.number);
415	>	checkCompletedNormally(f);
416		}};
417	<	mainPool.invoke(a);
417	>	testInvokeOnPool(mainPool(), a);
418		}
419
420		/**
421		* timed get with null time unit throws NPE
422		*/
423		public void testForkTimedGetNPE() {
424	<	RecursiveAction a = new RecursiveAction() {
425	<	public void compute() {
424	>	RecursiveAction a = new CheckedRecursiveAction() {
425	>	public void realCompute() throws Exception {
426	>	AsyncFib f = new AsyncFib(8);
427	>	assertSame(f, f.fork());
428		try {
323	–	AsyncFib f = new AsyncFib(8);
324	–	f.fork();
429		f.get(5L, null);
430		shouldThrow();
431	<	} catch (NullPointerException success) {
328	<	} catch (Exception ex) {
329	<	unexpectedException(ex);
330	<	}
431	>	} catch (NullPointerException success) {}
432		}};
433	<	mainPool.invoke(a);
433	>	testInvokeOnPool(mainPool(), a);
434		}
435
436		/**
437		* quietlyJoin of a forked task returns when task completes
438		*/
439		public void testForkQuietlyJoin() {
440	<	RecursiveAction a = new RecursiveAction() {
441	<	public void compute() {
440	>	RecursiveAction a = new CheckedRecursiveAction() {
441	>	public void realCompute() {
442		AsyncFib f = new AsyncFib(8);
443	<	f.fork();
443	>	assertSame(f, f.fork());
444		f.quietlyJoin();
445	<	threadAssertTrue(f.number == 21);
446	<	threadAssertTrue(f.isDone());
445	>	assertEquals(21, f.number);
446	>	checkCompletedNormally(f);
447		}};
448	<	mainPool.invoke(a);
448	>	testInvokeOnPool(mainPool(), a);
449		}
450
451
#	Line 353 | Line 454 | public class ForkJoinTaskTest extends JS
454		* getQueuedTaskCount returns 0 when quiescent
455		*/
456		public void testForkHelpQuiesce() {
457	<	RecursiveAction a = new RecursiveAction() {
458	<	public void compute() {
457	>	RecursiveAction a = new CheckedRecursiveAction() {
458	>	public void realCompute() {
459		AsyncFib f = new AsyncFib(8);
460	<	f.fork();
460	>	assertSame(f, f.fork());
461		f.helpQuiesce();
462	<	threadAssertTrue(f.number == 21);
463	<	threadAssertTrue(f.isDone());
464	<	threadAssertTrue(getQueuedTaskCount() == 0);
462	>	assertEquals(21, f.number);
463	>	assertEquals(0, getQueuedTaskCount());
464	>	checkCompletedNormally(f);
465		}};
466	<	mainPool.invoke(a);
466	>	testInvokeOnPool(mainPool(), a);
467		}
468
469
#	Line 370 | Line 471 | public class ForkJoinTaskTest extends JS
471		* invoke task throws exception when task completes abnormally
472		*/
473		public void testAbnormalInvoke() {
474	<	RecursiveAction a = new RecursiveAction() {
475	<	public void compute() {
474	>	RecursiveAction a = new CheckedRecursiveAction() {
475	>	public void realCompute() {
476	>	FailingAsyncFib f = new FailingAsyncFib(8);
477		try {
376	–	FailingAsyncFib f = new FailingAsyncFib(8);
478		f.invoke();
479		shouldThrow();
480		} catch (FJException success) {
481	+	checkCompletedAbnormally(f, success);
482		}
483		}};
484	<	mainPool.invoke(a);
484	>	testInvokeOnPool(mainPool(), a);
485		}
486
487		/**
488		* quietlyInvoke task returns when task completes abnormally
489		*/
490		public void testAbnormalQuietlyInvoke() {
491	<	RecursiveAction a = new RecursiveAction() {
492	<	public void compute() {
491	>	RecursiveAction a = new CheckedRecursiveAction() {
492	>	public void realCompute() {
493		FailingAsyncFib f = new FailingAsyncFib(8);
494		f.quietlyInvoke();
495	<	threadAssertTrue(f.isDone());
495	>	assertTrue(f.getException() instanceof FJException);
496	>	checkCompletedAbnormally(f, f.getException());
497		}};
498	<	mainPool.invoke(a);
498	>	testInvokeOnPool(mainPool(), a);
499		}
500
501		/**
502		* join of a forked task throws exception when task completes abnormally
503		*/
504		public void testAbnormalForkJoin() {
505	<	RecursiveAction a = new RecursiveAction() {
506	<	public void compute() {
505	>	RecursiveAction a = new CheckedRecursiveAction() {
506	>	public void realCompute() {
507	>	FailingAsyncFib f = new FailingAsyncFib(8);
508	>	assertSame(f, f.fork());
509		try {
405	–	FailingAsyncFib f = new FailingAsyncFib(8);
406	–	f.fork();
510		f.join();
511		shouldThrow();
512		} catch (FJException success) {
513	+	checkCompletedAbnormally(f, success);
514		}
515		}};
516	<	mainPool.invoke(a);
516	>	testInvokeOnPool(mainPool(), a);
517		}
518
519		/**
520		* get of a forked task throws exception when task completes abnormally
521		*/
522		public void testAbnormalForkGet() {
523	<	RecursiveAction a = new RecursiveAction() {
524	<	public void compute() {
523	>	RecursiveAction a = new CheckedRecursiveAction() {
524	>	public void realCompute() throws Exception {
525	>	FailingAsyncFib f = new FailingAsyncFib(8);
526	>	assertSame(f, f.fork());
527		try {
422	–	FailingAsyncFib f = new FailingAsyncFib(8);
423	–	f.fork();
528		f.get();
529		shouldThrow();
530		} catch (ExecutionException success) {
531	<	} catch (Exception ex) {
532	<	unexpectedException(ex);
531	>	Throwable cause = success.getCause();
532	>	assertTrue(cause instanceof FJException);
533	>	checkCompletedAbnormally(f, cause);
534		}
535		}};
536	<	mainPool.invoke(a);
536	>	testInvokeOnPool(mainPool(), a);
537		}
538
539		/**
540		* timed get of a forked task throws exception when task completes abnormally
541		*/
542		public void testAbnormalForkTimedGet() {
543	<	RecursiveAction a = new RecursiveAction() {
544	<	public void compute() {
543	>	RecursiveAction a = new CheckedRecursiveAction() {
544	>	public void realCompute() throws Exception {
545	>	FailingAsyncFib f = new FailingAsyncFib(8);
546	>	assertSame(f, f.fork());
547		try {
548	<	FailingAsyncFib f = new FailingAsyncFib(8);
442	<	f.fork();
443	<	f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
548	>	f.get(LONG_DELAY_MS, MILLISECONDS);
549		shouldThrow();
550		} catch (ExecutionException success) {
551	<	} catch (Exception ex) {
552	<	unexpectedException(ex);
551	>	Throwable cause = success.getCause();
552	>	assertTrue(cause instanceof FJException);
553	>	checkCompletedAbnormally(f, cause);
554		}
555		}};
556	<	mainPool.invoke(a);
556	>	testInvokeOnPool(mainPool(), a);
557		}
558
559		/**
560		* quietlyJoin of a forked task returns when task completes abnormally
561		*/
562		public void testAbnormalForkQuietlyJoin() {
563	<	RecursiveAction a = new RecursiveAction() {
564	<	public void compute() {
563	>	RecursiveAction a = new CheckedRecursiveAction() {
564	>	public void realCompute() {
565		FailingAsyncFib f = new FailingAsyncFib(8);
566	<	f.fork();
566	>	assertSame(f, f.fork());
567		f.quietlyJoin();
568	<	threadAssertTrue(f.isDone());
569	<	threadAssertTrue(f.isCompletedAbnormally());
464	<	threadAssertTrue(f.getException() instanceof FJException);
568	>	assertTrue(f.getException() instanceof FJException);
569	>	checkCompletedAbnormally(f, f.getException());
570		}};
571	<	mainPool.invoke(a);
571	>	testInvokeOnPool(mainPool(), a);
572		}
573
574		/**
575		* invoke task throws exception when task cancelled
576		*/
577		public void testCancelledInvoke() {
578	<	RecursiveAction a = new RecursiveAction() {
579	<	public void compute() {
578	>	RecursiveAction a = new CheckedRecursiveAction() {
579	>	public void realCompute() {
580	>	AsyncFib f = new AsyncFib(8);
581	>	assertTrue(f.cancel(true));
582		try {
476	–	AsyncFib f = new AsyncFib(8);
477	–	f.cancel(true);
583		f.invoke();
584		shouldThrow();
585		} catch (CancellationException success) {
586	+	checkCancelled(f);
587		}
588		}};
589	<	mainPool.invoke(a);
589	>	testInvokeOnPool(mainPool(), a);
590		}
591
592		/**
593		* join of a forked task throws exception when task cancelled
594		*/
595		public void testCancelledForkJoin() {
596	<	RecursiveAction a = new RecursiveAction() {
597	<	public void compute() {
596	>	RecursiveAction a = new CheckedRecursiveAction() {
597	>	public void realCompute() {
598	>	AsyncFib f = new AsyncFib(8);
599	>	assertTrue(f.cancel(true));
600	>	assertSame(f, f.fork());
601		try {
493	–	AsyncFib f = new AsyncFib(8);
494	–	f.cancel(true);
495	–	f.fork();
602		f.join();
603		shouldThrow();
604		} catch (CancellationException success) {
605	+	checkCancelled(f);
606		}
607		}};
608	<	mainPool.invoke(a);
608	>	testInvokeOnPool(mainPool(), a);
609		}
610
611		/**
612		* get of a forked task throws exception when task cancelled
613		*/
614		public void testCancelledForkGet() {
615	<	RecursiveAction a = new RecursiveAction() {
616	<	public void compute() {
615	>	RecursiveAction a = new CheckedRecursiveAction() {
616	>	public void realCompute() throws Exception {
617	>	AsyncFib f = new AsyncFib(8);
618	>	assertTrue(f.cancel(true));
619	>	assertSame(f, f.fork());
620		try {
511	–	AsyncFib f = new AsyncFib(8);
512	–	f.cancel(true);
513	–	f.fork();
621		f.get();
622		shouldThrow();
623		} catch (CancellationException success) {
624	<	} catch (Exception ex) {
518	<	unexpectedException(ex);
624	>	checkCancelled(f);
625		}
626		}};
627	<	mainPool.invoke(a);
627	>	testInvokeOnPool(mainPool(), a);
628		}
629
630		/**
631		* timed get of a forked task throws exception when task cancelled
632		*/
633	<	public void testCancelledForkTimedGet() {
634	<	RecursiveAction a = new RecursiveAction() {
635	<	public void compute() {
636	<	try {
637	<	AsyncFib f = new AsyncFib(8);
638	<	f.cancel(true);
639	<	f.fork();
640	<	f.get(LONG_DELAY_MS, TimeUnit.MILLISECONDS);
633	>	public void testCancelledForkTimedGet() throws Exception {
634	>	RecursiveAction a = new CheckedRecursiveAction() {
635	>	public void realCompute() throws Exception {
636	>	AsyncFib f = new AsyncFib(8);
637	>	assertTrue(f.cancel(true));
638	>	assertSame(f, f.fork());
639	>	try {
640	>	f.get(LONG_DELAY_MS, MILLISECONDS);
641		shouldThrow();
642		} catch (CancellationException success) {
643	<	} catch (Exception ex) {
538	<	unexpectedException(ex);
643	>	checkCancelled(f);
644		}
645		}};
646	<	mainPool.invoke(a);
646	>	testInvokeOnPool(mainPool(), a);
647		}
648
649		/**
650		* quietlyJoin of a forked task returns when task cancelled
651		*/
652		public void testCancelledForkQuietlyJoin() {
653	<	RecursiveAction a = new RecursiveAction() {
654	<	public void compute() {
653	>	RecursiveAction a = new CheckedRecursiveAction() {
654	>	public void realCompute() {
655		AsyncFib f = new AsyncFib(8);
656	<	f.cancel(true);
657	<	f.fork();
656	>	assertTrue(f.cancel(true));
657	>	assertSame(f, f.fork());
658		f.quietlyJoin();
659	<	threadAssertTrue(f.isDone());
555	<	threadAssertTrue(f.isCompletedAbnormally());
556	<	threadAssertTrue(f.getException() instanceof CancellationException);
659	>	checkCancelled(f);
660		}};
661	<	mainPool.invoke(a);
661	>	testInvokeOnPool(mainPool(), a);
662		}
663
664		/**
665		* getPool of executing task returns its pool
666		*/
667		public void testGetPool() {
668	<	RecursiveAction a = new RecursiveAction() {
669	<	public void compute() {
670	<	threadAssertTrue(getPool() == mainPool);
668	>	final ForkJoinPool mainPool = mainPool();
669	>	RecursiveAction a = new CheckedRecursiveAction() {
670	>	public void realCompute() {
671	>	assertSame(mainPool, getPool());
672		}};
673	<	mainPool.invoke(a);
673	>	testInvokeOnPool(mainPool, a);
674		}
675
676		/**
677		* getPool of non-FJ task returns null
678		*/
679		public void testGetPool2() {
680	<	RecursiveAction a = new RecursiveAction() {
681	<	public void compute() {
682	<	threadAssertTrue(getPool() == null);
680	>	RecursiveAction a = new CheckedRecursiveAction() {
681	>	public void realCompute() {
682	>	assertNull(getPool());
683		}};
684	<	a.invoke();
684	>	assertNull(a.invoke());
685		}
686
687		/**
688		* inForkJoinPool of executing task returns true
689		*/
690		public void testInForkJoinPool() {
691	<	RecursiveAction a = new RecursiveAction() {
692	<	public void compute() {
693	<	threadAssertTrue(inForkJoinPool());
691	>	RecursiveAction a = new CheckedRecursiveAction() {
692	>	public void realCompute() {
693	>	assertTrue(inForkJoinPool());
694		}};
695	<	mainPool.invoke(a);
695	>	testInvokeOnPool(mainPool(), a);
696		}
697
698		/**
699		* inForkJoinPool of non-FJ task returns false
700		*/
701		public void testInForkJoinPool2() {
702	<	RecursiveAction a = new RecursiveAction() {
703	<	public void compute() {
704	<	threadAssertTrue(!inForkJoinPool());
702	>	RecursiveAction a = new CheckedRecursiveAction() {
703	>	public void realCompute() {
704	>	assertFalse(inForkJoinPool());
705		}};
706	<	a.invoke();
706	>	assertNull(a.invoke());
707		}
708
709		/**
710		* setRawResult(null) succeeds
711		*/
712		public void testSetRawResult() {
713	<	RecursiveAction a = new RecursiveAction() {
714	<	public void compute() {
713	>	RecursiveAction a = new CheckedRecursiveAction() {
714	>	public void realCompute() {
715		setRawResult(null);
716		}};
717	<	a.invoke();
717	>	assertNull(a.invoke());
718		}
719
720		/**
721		* invoke task throws exception after invoking completeExceptionally
722		*/
723		public void testCompleteExceptionally() {
724	<	RecursiveAction a = new RecursiveAction() {
725	<	public void compute() {
724	>	RecursiveAction a = new CheckedRecursiveAction() {
725	>	public void realCompute() {
726	>	AsyncFib f = new AsyncFib(8);
727	>	f.completeExceptionally(new FJException());
728		try {
623	–	AsyncFib f = new AsyncFib(8);
624	–	f.completeExceptionally(new FJException());
729		f.invoke();
730		shouldThrow();
731		} catch (FJException success) {
732	+	checkCompletedAbnormally(f, success);
733		}
734		}};
735	<	mainPool.invoke(a);
735	>	testInvokeOnPool(mainPool(), a);
736		}
737
738		/**
739		* invokeAll(t1, t2) invokes all task arguments
740		*/
741		public void testInvokeAll2() {
742	<	RecursiveAction a = new RecursiveAction() {
743	<	public void compute() {
742	>	RecursiveAction a = new CheckedRecursiveAction() {
743	>	public void realCompute() {
744		AsyncFib f = new AsyncFib(8);
745		AsyncFib g = new AsyncFib(9);
746		invokeAll(f, g);
747	<	threadAssertTrue(f.isDone());
748	<	threadAssertTrue(f.number == 21);
749	<	threadAssertTrue(g.isDone());
750	<	threadAssertTrue(g.number == 34);
747	>	assertEquals(21, f.number);
748	>	assertEquals(34, g.number);
749	>	checkCompletedNormally(f);
750	>	checkCompletedNormally(g);
751		}};
752	<	mainPool.invoke(a);
752	>	testInvokeOnPool(mainPool(), a);
753		}
754
755		/**
756		* invokeAll(tasks) with 1 argument invokes task
757		*/
758		public void testInvokeAll1() {
759	<	RecursiveAction a = new RecursiveAction() {
760	<	public void compute() {
759	>	RecursiveAction a = new CheckedRecursiveAction() {
760	>	public void realCompute() {
761		AsyncFib f = new AsyncFib(8);
762		invokeAll(f);
763	<	threadAssertTrue(f.isDone());
764	<	threadAssertTrue(f.number == 21);
763	>	checkCompletedNormally(f);
764	>	assertEquals(21, f.number);
765		}};
766	<	mainPool.invoke(a);
766	>	testInvokeOnPool(mainPool(), a);
767		}
768
769		/**
770		* invokeAll(tasks) with > 2 argument invokes tasks
771		*/
772		public void testInvokeAll3() {
773	<	RecursiveAction a = new RecursiveAction() {
774	<	public void compute() {
773	>	RecursiveAction a = new CheckedRecursiveAction() {
774	>	public void realCompute() {
775		AsyncFib f = new AsyncFib(8);
776		AsyncFib g = new AsyncFib(9);
777		AsyncFib h = new AsyncFib(7);
778		invokeAll(f, g, h);
779	<	threadAssertTrue(f.isDone());
780	<	threadAssertTrue(f.number == 21);
781	<	threadAssertTrue(g.isDone());
782	<	threadAssertTrue(g.number == 34);
783	<	threadAssertTrue(h.isDone());
784	<	threadAssertTrue(h.number == 13);
779	>	assertEquals(21, f.number);
780	>	assertEquals(34, g.number);
781	>	assertEquals(13, h.number);
782	>	checkCompletedNormally(f);
783	>	checkCompletedNormally(g);
784	>	checkCompletedNormally(h);
785		}};
786	<	mainPool.invoke(a);
786	>	testInvokeOnPool(mainPool(), a);
787		}
788
789		/**
790		* invokeAll(collection) invokes all tasks in the collection
791		*/
792		public void testInvokeAllCollection() {
793	<	RecursiveAction a = new RecursiveAction() {
794	<	public void compute() {
793	>	RecursiveAction a = new CheckedRecursiveAction() {
794	>	public void realCompute() {
795		AsyncFib f = new AsyncFib(8);
796		AsyncFib g = new AsyncFib(9);
797		AsyncFib h = new AsyncFib(7);
#	Line 695 | Line 800 | public class ForkJoinTaskTest extends JS
800		set.add(g);
801		set.add(h);
802		invokeAll(set);
803	<	threadAssertTrue(f.isDone());
804	<	threadAssertTrue(f.number == 21);
805	<	threadAssertTrue(g.isDone());
806	<	threadAssertTrue(g.number == 34);
807	<	threadAssertTrue(h.isDone());
808	<	threadAssertTrue(h.number == 13);
803	>	assertEquals(21, f.number);
804	>	assertEquals(34, g.number);
805	>	assertEquals(13, h.number);
806	>	checkCompletedNormally(f);
807	>	checkCompletedNormally(g);
808	>	checkCompletedNormally(h);
809		}};
810	<	mainPool.invoke(a);
810	>	testInvokeOnPool(mainPool(), a);
811		}
812
813
#	Line 710 | Line 815 | public class ForkJoinTaskTest extends JS
815		* invokeAll(tasks) with any null task throws NPE
816		*/
817		public void testInvokeAllNPE() {
818	<	RecursiveAction a = new RecursiveAction() {
819	<	public void compute() {
818	>	RecursiveAction a = new CheckedRecursiveAction() {
819	>	public void realCompute() {
820	>	AsyncFib f = new AsyncFib(8);
821	>	AsyncFib g = new AsyncFib(9);
822	>	AsyncFib h = null;
823		try {
716	–	AsyncFib f = new AsyncFib(8);
717	–	AsyncFib g = new AsyncFib(9);
718	–	AsyncFib h = null;
824		invokeAll(f, g, h);
825		shouldThrow();
826	<	} catch (NullPointerException success) {
722	<	}
826	>	} catch (NullPointerException success) {}
827		}};
828	<	mainPool.invoke(a);
828	>	testInvokeOnPool(mainPool(), a);
829		}
830
831		/**
832		* invokeAll(t1, t2) throw exception if any task does
833		*/
834		public void testAbnormalInvokeAll2() {
835	<	RecursiveAction a = new RecursiveAction() {
836	<	public void compute() {
835	>	RecursiveAction a = new CheckedRecursiveAction() {
836	>	public void realCompute() {
837	>	AsyncFib f = new AsyncFib(8);
838	>	FailingAsyncFib g = new FailingAsyncFib(9);
839		try {
734	–	AsyncFib f = new AsyncFib(8);
735	–	FailingAsyncFib g = new FailingAsyncFib(9);
840		invokeAll(f, g);
841		shouldThrow();
842		} catch (FJException success) {
843	+	checkCompletedAbnormally(g, success);
844		}
845		}};
846	<	mainPool.invoke(a);
846	>	testInvokeOnPool(mainPool(), a);
847		}
848
849		/**
850		* invokeAll(tasks) with 1 argument throws exception if task does
851		*/
852		public void testAbnormalInvokeAll1() {
853	<	RecursiveAction a = new RecursiveAction() {
854	<	public void compute() {
853	>	RecursiveAction a = new CheckedRecursiveAction() {
854	>	public void realCompute() {
855	>	FailingAsyncFib g = new FailingAsyncFib(9);
856		try {
751	–	FailingAsyncFib g = new FailingAsyncFib(9);
857		invokeAll(g);
858		shouldThrow();
859		} catch (FJException success) {
860	+	checkCompletedAbnormally(g, success);
861		}
862		}};
863	<	mainPool.invoke(a);
863	>	testInvokeOnPool(mainPool(), a);
864		}
865
866		/**
867		* invokeAll(tasks) with > 2 argument throws exception if any task does
868		*/
869		public void testAbnormalInvokeAll3() {
870	<	RecursiveAction a = new RecursiveAction() {
871	<	public void compute() {
870	>	RecursiveAction a = new CheckedRecursiveAction() {
871	>	public void realCompute() {
872	>	AsyncFib f = new AsyncFib(8);
873	>	FailingAsyncFib g = new FailingAsyncFib(9);
874	>	AsyncFib h = new AsyncFib(7);
875		try {
767	–	AsyncFib f = new AsyncFib(8);
768	–	FailingAsyncFib g = new FailingAsyncFib(9);
769	–	AsyncFib h = new AsyncFib(7);
876		invokeAll(f, g, h);
877		shouldThrow();
878		} catch (FJException success) {
879	+	checkCompletedAbnormally(g, success);
880		}
881		}};
882	<	mainPool.invoke(a);
882	>	testInvokeOnPool(mainPool(), a);
883		}
884
885		/**
886		* invokeAll(collection)  throws exception if any task does
887		*/
888		public void testAbnormalInvokeAllCollection() {
889	<	RecursiveAction a = new RecursiveAction() {
890	<	public void compute() {
889	>	RecursiveAction a = new CheckedRecursiveAction() {
890	>	public void realCompute() {
891	>	FailingAsyncFib f = new FailingAsyncFib(8);
892	>	AsyncFib g = new AsyncFib(9);
893	>	AsyncFib h = new AsyncFib(7);
894	>	HashSet set = new HashSet();
895	>	set.add(f);
896	>	set.add(g);
897	>	set.add(h);
898		try {
785	–	FailingAsyncFib f = new FailingAsyncFib(8);
786	–	AsyncFib g = new AsyncFib(9);
787	–	AsyncFib h = new AsyncFib(7);
788	–	HashSet set = new HashSet();
789	–	set.add(f);
790	–	set.add(g);
791	–	set.add(h);
899		invokeAll(set);
900		shouldThrow();
901		} catch (FJException success) {
902	+	checkCompletedAbnormally(f, success);
903		}
904		}};
905	<	mainPool.invoke(a);
905	>	testInvokeOnPool(mainPool(), a);
906		}
907
908		/**
#	Line 802 | Line 910 | public class ForkJoinTaskTest extends JS
910		* and suppresses execution
911		*/
912		public void testTryUnfork() {
913	<	RecursiveAction a = new RecursiveAction() {
914	<	public void compute() {
913	>	RecursiveAction a = new CheckedRecursiveAction() {
914	>	public void realCompute() {
915		AsyncFib g = new AsyncFib(9);
916	<	g.fork();
916	>	assertSame(g, g.fork());
917		AsyncFib f = new AsyncFib(8);
918	<	f.fork();
919	<	threadAssertTrue(f.tryUnfork());
918	>	assertSame(f, f.fork());
919	>	assertTrue(f.tryUnfork());
920		helpQuiesce();
921	<	threadAssertFalse(f.isDone());
922	<	threadAssertTrue(g.isDone());
921	>	checkNotDone(f);
922	>	checkCompletedNormally(g);
923		}};
924	<	singletonPool.invoke(a);
924	>	testInvokeOnPool(singletonPool(), a);
925		}
926
927		/**
#	Line 821 | Line 929 | public class ForkJoinTaskTest extends JS
929		* there are more tasks than threads
930		*/
931		public void testGetSurplusQueuedTaskCount() {
932	<	RecursiveAction a = new RecursiveAction() {
933	<	public void compute() {
932	>	RecursiveAction a = new CheckedRecursiveAction() {
933	>	public void realCompute() {
934		AsyncFib h = new AsyncFib(7);
935	<	h.fork();
935	>	assertSame(h, h.fork());
936		AsyncFib g = new AsyncFib(9);
937	<	g.fork();
937	>	assertSame(g, g.fork());
938		AsyncFib f = new AsyncFib(8);
939	<	f.fork();
940	<	threadAssertTrue(getSurplusQueuedTaskCount() > 0);
939	>	assertSame(f, f.fork());
940	>	assertTrue(getSurplusQueuedTaskCount() > 0);
941		helpQuiesce();
942	+	assertEquals(0, getSurplusQueuedTaskCount());
943	+	checkCompletedNormally(f);
944	+	checkCompletedNormally(g);
945	+	checkCompletedNormally(h);
946		}};
947	<	singletonPool.invoke(a);
947	>	testInvokeOnPool(singletonPool(), a);
948		}
949
950		/**
951		* peekNextLocalTask returns most recent unexecuted task.
952		*/
953		public void testPeekNextLocalTask() {
954	<	RecursiveAction a = new RecursiveAction() {
955	<	public void compute() {
954	>	RecursiveAction a = new CheckedRecursiveAction() {
955	>	public void realCompute() {
956		AsyncFib g = new AsyncFib(9);
957	<	g.fork();
957	>	assertSame(g, g.fork());
958		AsyncFib f = new AsyncFib(8);
959	<	f.fork();
960	<	threadAssertTrue(peekNextLocalTask() == f);
961	<	f.join();
962	<	threadAssertTrue(f.isDone());
959	>	assertSame(f, f.fork());
960	>	assertSame(f, peekNextLocalTask());
961	>	assertNull(f.join());
962	>	checkCompletedNormally(f);
963		helpQuiesce();
964	+	checkCompletedNormally(g);
965		}};
966	<	singletonPool.invoke(a);
966	>	testInvokeOnPool(singletonPool(), a);
967		}
968
969		/**
970	<	* pollNextLocalTask returns most recent unexecuted task
971	<	* without executing it
970	>	* pollNextLocalTask returns most recent unexecuted task without
971	>	* executing it
972		*/
973		public void testPollNextLocalTask() {
974	<	RecursiveAction a = new RecursiveAction() {
975	<	public void compute() {
974	>	RecursiveAction a = new CheckedRecursiveAction() {
975	>	public void realCompute() {
976		AsyncFib g = new AsyncFib(9);
977	<	g.fork();
977	>	assertSame(g, g.fork());
978		AsyncFib f = new AsyncFib(8);
979	<	f.fork();
980	<	threadAssertTrue(pollNextLocalTask() == f);
979	>	assertSame(f, f.fork());
980	>	assertSame(f, pollNextLocalTask());
981		helpQuiesce();
982	<	threadAssertFalse(f.isDone());
982	>	checkNotDone(f);
983	>	assertEquals(34, g.number);
984	>	checkCompletedNormally(g);
985		}};
986	<	singletonPool.invoke(a);
986	>	testInvokeOnPool(singletonPool(), a);
987		}
988
989		/**
990	<	* pollTask returns an unexecuted task
876	<	* without executing it
990	>	* pollTask returns an unexecuted task without executing it
991		*/
992		public void testPollTask() {
993	<	RecursiveAction a = new RecursiveAction() {
994	<	public void compute() {
993	>	RecursiveAction a = new CheckedRecursiveAction() {
994	>	public void realCompute() {
995		AsyncFib g = new AsyncFib(9);
996	<	g.fork();
996	>	assertSame(g, g.fork());
997		AsyncFib f = new AsyncFib(8);
998	<	f.fork();
999	<	threadAssertTrue(pollTask() == f);
998	>	assertSame(f, f.fork());
999	>	assertSame(f, pollTask());
1000		helpQuiesce();
1001	<	threadAssertFalse(f.isDone());
1002	<	threadAssertTrue(g.isDone());
1001	>	checkNotDone(f);
1002	>	checkCompletedNormally(g);
1003		}};
1004	<	singletonPool.invoke(a);
1004	>	testInvokeOnPool(singletonPool(), a);
1005		}
1006
1007		/**
1008		* peekNextLocalTask returns least recent unexecuted task in async mode
1009		*/
1010		public void testPeekNextLocalTaskAsync() {
1011	<	RecursiveAction a = new RecursiveAction() {
1012	<	public void compute() {
1011	>	RecursiveAction a = new CheckedRecursiveAction() {
1012	>	public void realCompute() {
1013		AsyncFib g = new AsyncFib(9);
1014	<	g.fork();
1014	>	assertSame(g, g.fork());
1015		AsyncFib f = new AsyncFib(8);
1016	<	f.fork();
1017	<	threadAssertTrue(peekNextLocalTask() == g);
1018	<	f.join();
1016	>	assertSame(f, f.fork());
1017	>	assertSame(g, peekNextLocalTask());
1018	>	assertNull(f.join());
1019		helpQuiesce();
1020	<	threadAssertTrue(f.isDone());
1020	>	checkCompletedNormally(f);
1021	>	assertEquals(34, g.number);
1022	>	checkCompletedNormally(g);
1023		}};
1024	<	asyncSingletonPool.invoke(a);
1024	>	testInvokeOnPool(asyncSingletonPool(), a);
1025		}
1026
1027		/**
1028	<	* pollNextLocalTask returns least recent unexecuted task
1029	<	* without executing it, in async mode
1028	>	* pollNextLocalTask returns least recent unexecuted task without
1029	>	* executing it, in async mode
1030		*/
1031		public void testPollNextLocalTaskAsync() {
1032	<	RecursiveAction a = new RecursiveAction() {
1033	<	public void compute() {
1032	>	RecursiveAction a = new CheckedRecursiveAction() {
1033	>	public void realCompute() {
1034		AsyncFib g = new AsyncFib(9);
1035	<	g.fork();
1035	>	assertSame(g, g.fork());
1036		AsyncFib f = new AsyncFib(8);
1037	<	f.fork();
1038	<	threadAssertTrue(pollNextLocalTask() == g);
1037	>	assertSame(f, f.fork());
1038	>	assertSame(g, pollNextLocalTask());
1039		helpQuiesce();
1040	<	threadAssertTrue(f.isDone());
1041	<	threadAssertFalse(g.isDone());
1040	>	assertEquals(21, f.number);
1041	>	checkCompletedNormally(f);
1042	>	checkNotDone(g);
1043		}};
1044	<	asyncSingletonPool.invoke(a);
1044	>	testInvokeOnPool(asyncSingletonPool(), a);
1045		}
1046
1047		/**
1048	<	* pollTask returns an unexecuted task
1049	<	* without executing it, in async mode
1048	>	* pollTask returns an unexecuted task without executing it, in
1049	>	* async mode
1050		*/
1051		public void testPollTaskAsync() {
1052	<	RecursiveAction a = new RecursiveAction() {
1053	<	public void compute() {
1052	>	RecursiveAction a = new CheckedRecursiveAction() {
1053	>	public void realCompute() {
1054		AsyncFib g = new AsyncFib(9);
1055	<	g.fork();
1055	>	assertSame(g, g.fork());
1056		AsyncFib f = new AsyncFib(8);
1057	<	f.fork();
1058	<	threadAssertTrue(pollTask() == g);
1057	>	assertSame(f, f.fork());
1058	>	assertSame(g, pollTask());
1059		helpQuiesce();
1060	<	threadAssertTrue(f.isDone());
1061	<	threadAssertFalse(g.isDone());
1060	>	assertEquals(21, f.number);
1061	>	checkCompletedNormally(f);
1062	>	checkNotDone(g);
1063	>	}};
1064	>	testInvokeOnPool(asyncSingletonPool(), a);
1065	>	}
1066	>
1067	>	// versions for singleton pools
1068	>
1069	>	/**
1070	>	* invoke returns when task completes normally.
1071	>	* isCompletedAbnormally and isCancelled return false for normally
1072	>	* completed tasks. getRawResult of a RecursiveAction returns null;
1073	>	*/
1074	>	public void testInvokeSingleton() {
1075	>	RecursiveAction a = new CheckedRecursiveAction() {
1076	>	public void realCompute() {
1077	>	AsyncFib f = new AsyncFib(8);
1078	>	assertNull(f.invoke());
1079	>	assertEquals(21, f.number);
1080	>	checkCompletedNormally(f);
1081	>	}};
1082	>	testInvokeOnPool(singletonPool(), a);
1083	>	}
1084	>
1085	>	/**
1086	>	* quietlyInvoke task returns when task completes normally.
1087	>	* isCompletedAbnormally and isCancelled return false for normally
1088	>	* completed tasks
1089	>	*/
1090	>	public void testQuietlyInvokeSingleton() {
1091	>	RecursiveAction a = new CheckedRecursiveAction() {
1092	>	public void realCompute() {
1093	>	AsyncFib f = new AsyncFib(8);
1094	>	f.quietlyInvoke();
1095	>	assertEquals(21, f.number);
1096	>	checkCompletedNormally(f);
1097	>	}};
1098	>	testInvokeOnPool(singletonPool(), a);
1099	>	}
1100	>
1101	>	/**
1102	>	* join of a forked task returns when task completes
1103	>	*/
1104	>	public void testForkJoinSingleton() {
1105	>	RecursiveAction a = new CheckedRecursiveAction() {
1106	>	public void realCompute() {
1107	>	AsyncFib f = new AsyncFib(8);
1108	>	assertSame(f, f.fork());
1109	>	assertNull(f.join());
1110	>	assertEquals(21, f.number);
1111	>	checkCompletedNormally(f);
1112	>	}};
1113	>	testInvokeOnPool(singletonPool(), a);
1114	>	}
1115	>
1116	>	/**
1117	>	* get of a forked task returns when task completes
1118	>	*/
1119	>	public void testForkGetSingleton() {
1120	>	RecursiveAction a = new CheckedRecursiveAction() {
1121	>	public void realCompute() throws Exception {
1122	>	AsyncFib f = new AsyncFib(8);
1123	>	assertSame(f, f.fork());
1124	>	assertNull(f.get());
1125	>	assertEquals(21, f.number);
1126	>	checkCompletedNormally(f);
1127	>	}};
1128	>	testInvokeOnPool(singletonPool(), a);
1129	>	}
1130	>
1131	>	/**
1132	>	* timed get of a forked task returns when task completes
1133	>	*/
1134	>	public void testForkTimedGetSingleton() {
1135	>	RecursiveAction a = new CheckedRecursiveAction() {
1136	>	public void realCompute() throws Exception {
1137	>	AsyncFib f = new AsyncFib(8);
1138	>	assertSame(f, f.fork());
1139	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1140	>	assertEquals(21, f.number);
1141	>	checkCompletedNormally(f);
1142	>	}};
1143	>	testInvokeOnPool(singletonPool(), a);
1144	>	}
1145	>
1146	>	/**
1147	>	* timed get with null time unit throws NPE
1148	>	*/
1149	>	public void testForkTimedGetNPESingleton() {
1150	>	RecursiveAction a = new CheckedRecursiveAction() {
1151	>	public void realCompute() throws Exception {
1152	>	AsyncFib f = new AsyncFib(8);
1153	>	assertSame(f, f.fork());
1154	>	try {
1155	>	f.get(5L, null);
1156	>	shouldThrow();
1157	>	} catch (NullPointerException success) {}
1158	>	}};
1159	>	testInvokeOnPool(singletonPool(), a);
1160	>	}
1161	>
1162	>	/**
1163	>	* quietlyJoin of a forked task returns when task completes
1164	>	*/
1165	>	public void testForkQuietlyJoinSingleton() {
1166	>	RecursiveAction a = new CheckedRecursiveAction() {
1167	>	public void realCompute() {
1168	>	AsyncFib f = new AsyncFib(8);
1169	>	assertSame(f, f.fork());
1170	>	f.quietlyJoin();
1171	>	assertEquals(21, f.number);
1172	>	checkCompletedNormally(f);
1173	>	}};
1174	>	testInvokeOnPool(singletonPool(), a);
1175	>	}
1176	>
1177	>
1178	>	/**
1179	>	* helpQuiesce returns when tasks are complete.
1180	>	* getQueuedTaskCount returns 0 when quiescent
1181	>	*/
1182	>	public void testForkHelpQuiesceSingleton() {
1183	>	RecursiveAction a = new CheckedRecursiveAction() {
1184	>	public void realCompute() {
1185	>	AsyncFib f = new AsyncFib(8);
1186	>	assertSame(f, f.fork());
1187	>	f.helpQuiesce();
1188	>	assertEquals(0, getQueuedTaskCount());
1189	>	assertEquals(21, f.number);
1190	>	checkCompletedNormally(f);
1191	>	}};
1192	>	testInvokeOnPool(singletonPool(), a);
1193	>	}
1194	>
1195	>
1196	>	/**
1197	>	* invoke task throws exception when task completes abnormally
1198	>	*/
1199	>	public void testAbnormalInvokeSingleton() {
1200	>	RecursiveAction a = new CheckedRecursiveAction() {
1201	>	public void realCompute() {
1202	>	FailingAsyncFib f = new FailingAsyncFib(8);
1203	>	try {
1204	>	f.invoke();
1205	>	shouldThrow();
1206	>	} catch (FJException success) {
1207	>	checkCompletedAbnormally(f, success);
1208	>	}
1209	>	}};
1210	>	testInvokeOnPool(singletonPool(), a);
1211	>	}
1212	>
1213	>	/**
1214	>	* quietlyInvoke task returns when task completes abnormally
1215	>	*/
1216	>	public void testAbnormalQuietlyInvokeSingleton() {
1217	>	RecursiveAction a = new CheckedRecursiveAction() {
1218	>	public void realCompute() {
1219	>	FailingAsyncFib f = new FailingAsyncFib(8);
1220	>	f.quietlyInvoke();
1221	>	assertTrue(f.getException() instanceof FJException);
1222	>	checkCompletedAbnormally(f, f.getException());
1223	>	}};
1224	>	testInvokeOnPool(singletonPool(), a);
1225	>	}
1226	>
1227	>	/**
1228	>	* join of a forked task throws exception when task completes abnormally
1229	>	*/
1230	>	public void testAbnormalForkJoinSingleton() {
1231	>	RecursiveAction a = new CheckedRecursiveAction() {
1232	>	public void realCompute() {
1233	>	FailingAsyncFib f = new FailingAsyncFib(8);
1234	>	assertSame(f, f.fork());
1235	>	try {
1236	>	f.join();
1237	>	shouldThrow();
1238	>	} catch (FJException success) {
1239	>	checkCompletedAbnormally(f, success);
1240	>	}
1241	>	}};
1242	>	testInvokeOnPool(singletonPool(), a);
1243	>	}
1244	>
1245	>	/**
1246	>	* get of a forked task throws exception when task completes abnormally
1247	>	*/
1248	>	public void testAbnormalForkGetSingleton() {
1249	>	RecursiveAction a = new CheckedRecursiveAction() {
1250	>	public void realCompute() throws Exception {
1251	>	FailingAsyncFib f = new FailingAsyncFib(8);
1252	>	assertSame(f, f.fork());
1253	>	try {
1254	>	f.get();
1255	>	shouldThrow();
1256	>	} catch (ExecutionException success) {
1257	>	Throwable cause = success.getCause();
1258	>	assertTrue(cause instanceof FJException);
1259	>	checkCompletedAbnormally(f, cause);
1260	>	}
1261	>	}};
1262	>	testInvokeOnPool(singletonPool(), a);
1263	>	}
1264	>
1265	>	/**
1266	>	* timed get of a forked task throws exception when task completes abnormally
1267	>	*/
1268	>	public void testAbnormalForkTimedGetSingleton() {
1269	>	RecursiveAction a = new CheckedRecursiveAction() {
1270	>	public void realCompute() throws Exception {
1271	>	FailingAsyncFib f = new FailingAsyncFib(8);
1272	>	assertSame(f, f.fork());
1273	>	try {
1274	>	f.get(LONG_DELAY_MS, MILLISECONDS);
1275	>	shouldThrow();
1276	>	} catch (ExecutionException success) {
1277	>	Throwable cause = success.getCause();
1278	>	assertTrue(cause instanceof FJException);
1279	>	checkCompletedAbnormally(f, cause);
1280	>	}
1281	>	}};
1282	>	testInvokeOnPool(singletonPool(), a);
1283	>	}
1284	>
1285	>	/**
1286	>	* quietlyJoin of a forked task returns when task completes abnormally
1287	>	*/
1288	>	public void testAbnormalForkQuietlyJoinSingleton() {
1289	>	RecursiveAction a = new CheckedRecursiveAction() {
1290	>	public void realCompute() {
1291	>	FailingAsyncFib f = new FailingAsyncFib(8);
1292	>	assertSame(f, f.fork());
1293	>	f.quietlyJoin();
1294	>	assertTrue(f.getException() instanceof FJException);
1295	>	checkCompletedAbnormally(f, f.getException());
1296	>	}};
1297	>	testInvokeOnPool(singletonPool(), a);
1298	>	}
1299	>
1300	>	/**
1301	>	* invoke task throws exception when task cancelled
1302	>	*/
1303	>	public void testCancelledInvokeSingleton() {
1304	>	RecursiveAction a = new CheckedRecursiveAction() {
1305	>	public void realCompute() {
1306	>	AsyncFib f = new AsyncFib(8);
1307	>	assertTrue(f.cancel(true));
1308	>	try {
1309	>	f.invoke();
1310	>	shouldThrow();
1311	>	} catch (CancellationException success) {
1312	>	checkCancelled(f);
1313	>	}
1314	>	}};
1315	>	testInvokeOnPool(singletonPool(), a);
1316	>	}
1317	>
1318	>	/**
1319	>	* join of a forked task throws exception when task cancelled
1320	>	*/
1321	>	public void testCancelledForkJoinSingleton() {
1322	>	RecursiveAction a = new CheckedRecursiveAction() {
1323	>	public void realCompute() {
1324	>	AsyncFib f = new AsyncFib(8);
1325	>	assertTrue(f.cancel(true));
1326	>	assertSame(f, f.fork());
1327	>	try {
1328	>	f.join();
1329	>	shouldThrow();
1330	>	} catch (CancellationException success) {
1331	>	checkCancelled(f);
1332	>	}
1333	>	}};
1334	>	testInvokeOnPool(singletonPool(), a);
1335	>	}
1336	>
1337	>	/**
1338	>	* get of a forked task throws exception when task cancelled
1339	>	*/
1340	>	public void testCancelledForkGetSingleton() {
1341	>	RecursiveAction a = new CheckedRecursiveAction() {
1342	>	public void realCompute() throws Exception {
1343	>	AsyncFib f = new AsyncFib(8);
1344	>	assertTrue(f.cancel(true));
1345	>	assertSame(f, f.fork());
1346	>	try {
1347	>	f.get();
1348	>	shouldThrow();
1349	>	} catch (CancellationException success) {
1350	>	checkCancelled(f);
1351	>	}
1352	>	}};
1353	>	testInvokeOnPool(singletonPool(), a);
1354	>	}
1355	>
1356	>	/**
1357	>	* timed get of a forked task throws exception when task cancelled
1358	>	*/
1359	>	public void testCancelledForkTimedGetSingleton() throws Exception {
1360	>	RecursiveAction a = new CheckedRecursiveAction() {
1361	>	public void realCompute() throws Exception {
1362	>	AsyncFib f = new AsyncFib(8);
1363	>	assertTrue(f.cancel(true));
1364	>	assertSame(f, f.fork());
1365	>	try {
1366	>	f.get(LONG_DELAY_MS, MILLISECONDS);
1367	>	shouldThrow();
1368	>	} catch (CancellationException success) {
1369	>	checkCancelled(f);
1370	>	}
1371	>	}};
1372	>	testInvokeOnPool(singletonPool(), a);
1373	>	}
1374	>
1375	>	/**
1376	>	* quietlyJoin of a forked task returns when task cancelled
1377	>	*/
1378	>	public void testCancelledForkQuietlyJoinSingleton() {
1379	>	RecursiveAction a = new CheckedRecursiveAction() {
1380	>	public void realCompute() {
1381	>	AsyncFib f = new AsyncFib(8);
1382	>	assertTrue(f.cancel(true));
1383	>	assertSame(f, f.fork());
1384	>	f.quietlyJoin();
1385	>	checkCancelled(f);
1386	>	}};
1387	>	testInvokeOnPool(singletonPool(), a);
1388	>	}
1389	>
1390	>	/**
1391	>	* invoke task throws exception after invoking completeExceptionally
1392	>	*/
1393	>	public void testCompleteExceptionallySingleton() {
1394	>	RecursiveAction a = new CheckedRecursiveAction() {
1395	>	public void realCompute() {
1396	>	AsyncFib f = new AsyncFib(8);
1397	>	f.completeExceptionally(new FJException());
1398	>	try {
1399	>	f.invoke();
1400	>	shouldThrow();
1401	>	} catch (FJException success) {
1402	>	checkCompletedAbnormally(f, success);
1403	>	}
1404	>	}};
1405	>	testInvokeOnPool(singletonPool(), a);
1406	>	}
1407	>
1408	>	/**
1409	>	* invokeAll(t1, t2) invokes all task arguments
1410	>	*/
1411	>	public void testInvokeAll2Singleton() {
1412	>	RecursiveAction a = new CheckedRecursiveAction() {
1413	>	public void realCompute() {
1414	>	AsyncFib f = new AsyncFib(8);
1415	>	AsyncFib g = new AsyncFib(9);
1416	>	invokeAll(f, g);
1417	>	assertEquals(21, f.number);
1418	>	assertEquals(34, g.number);
1419	>	checkCompletedNormally(f);
1420	>	checkCompletedNormally(g);
1421	>	}};
1422	>	testInvokeOnPool(singletonPool(), a);
1423	>	}
1424	>
1425	>	/**
1426	>	* invokeAll(tasks) with 1 argument invokes task
1427	>	*/
1428	>	public void testInvokeAll1Singleton() {
1429	>	RecursiveAction a = new CheckedRecursiveAction() {
1430	>	public void realCompute() {
1431	>	AsyncFib f = new AsyncFib(8);
1432	>	invokeAll(f);
1433	>	checkCompletedNormally(f);
1434	>	assertEquals(21, f.number);
1435	>	}};
1436	>	testInvokeOnPool(singletonPool(), a);
1437	>	}
1438	>
1439	>	/**
1440	>	* invokeAll(tasks) with > 2 argument invokes tasks
1441	>	*/
1442	>	public void testInvokeAll3Singleton() {
1443	>	RecursiveAction a = new CheckedRecursiveAction() {
1444	>	public void realCompute() {
1445	>	AsyncFib f = new AsyncFib(8);
1446	>	AsyncFib g = new AsyncFib(9);
1447	>	AsyncFib h = new AsyncFib(7);
1448	>	invokeAll(f, g, h);
1449	>	assertEquals(21, f.number);
1450	>	assertEquals(34, g.number);
1451	>	assertEquals(13, h.number);
1452	>	checkCompletedNormally(f);
1453	>	checkCompletedNormally(g);
1454	>	checkCompletedNormally(h);
1455	>	}};
1456	>	testInvokeOnPool(singletonPool(), a);
1457	>	}
1458	>
1459	>	/**
1460	>	* invokeAll(collection) invokes all tasks in the collection
1461	>	*/
1462	>	public void testInvokeAllCollectionSingleton() {
1463	>	RecursiveAction a = new CheckedRecursiveAction() {
1464	>	public void realCompute() {
1465	>	AsyncFib f = new AsyncFib(8);
1466	>	AsyncFib g = new AsyncFib(9);
1467	>	AsyncFib h = new AsyncFib(7);
1468	>	HashSet set = new HashSet();
1469	>	set.add(f);
1470	>	set.add(g);
1471	>	set.add(h);
1472	>	invokeAll(set);
1473	>	assertEquals(21, f.number);
1474	>	assertEquals(34, g.number);
1475	>	assertEquals(13, h.number);
1476	>	checkCompletedNormally(f);
1477	>	checkCompletedNormally(g);
1478	>	checkCompletedNormally(h);
1479	>	}};
1480	>	testInvokeOnPool(singletonPool(), a);
1481	>	}
1482	>
1483	>
1484	>	/**
1485	>	* invokeAll(tasks) with any null task throws NPE
1486	>	*/
1487	>	public void testInvokeAllNPESingleton() {
1488	>	RecursiveAction a = new CheckedRecursiveAction() {
1489	>	public void realCompute() {
1490	>	AsyncFib f = new AsyncFib(8);
1491	>	AsyncFib g = new AsyncFib(9);
1492	>	AsyncFib h = null;
1493	>	try {
1494	>	invokeAll(f, g, h);
1495	>	shouldThrow();
1496	>	} catch (NullPointerException success) {}
1497	>	}};
1498	>	testInvokeOnPool(singletonPool(), a);
1499	>	}
1500	>
1501	>	/**
1502	>	* invokeAll(t1, t2) throw exception if any task does
1503	>	*/
1504	>	public void testAbnormalInvokeAll2Singleton() {
1505	>	RecursiveAction a = new CheckedRecursiveAction() {
1506	>	public void realCompute() {
1507	>	AsyncFib f = new AsyncFib(8);
1508	>	FailingAsyncFib g = new FailingAsyncFib(9);
1509	>	try {
1510	>	invokeAll(f, g);
1511	>	shouldThrow();
1512	>	} catch (FJException success) {
1513	>	checkCompletedAbnormally(g, success);
1514	>	}
1515		}};
1516	<	asyncSingletonPool.invoke(a);
1516	>	testInvokeOnPool(singletonPool(), a);
1517		}
1518	+
1519	+	/**
1520	+	* invokeAll(tasks) with 1 argument throws exception if task does
1521	+	*/
1522	+	public void testAbnormalInvokeAll1Singleton() {
1523	+	RecursiveAction a = new CheckedRecursiveAction() {
1524	+	public void realCompute() {
1525	+	FailingAsyncFib g = new FailingAsyncFib(9);
1526	+	try {
1527	+	invokeAll(g);
1528	+	shouldThrow();
1529	+	} catch (FJException success) {
1530	+	checkCompletedAbnormally(g, success);
1531	+	}
1532	+	}};
1533	+	testInvokeOnPool(singletonPool(), a);
1534	+	}
1535	+
1536	+	/**
1537	+	* invokeAll(tasks) with > 2 argument throws exception if any task does
1538	+	*/
1539	+	public void testAbnormalInvokeAll3Singleton() {
1540	+	RecursiveAction a = new CheckedRecursiveAction() {
1541	+	public void realCompute() {
1542	+	AsyncFib f = new AsyncFib(8);
1543	+	FailingAsyncFib g = new FailingAsyncFib(9);
1544	+	AsyncFib h = new AsyncFib(7);
1545	+	try {
1546	+	invokeAll(f, g, h);
1547	+	shouldThrow();
1548	+	} catch (FJException success) {
1549	+	checkCompletedAbnormally(g, success);
1550	+	}
1551	+	}};
1552	+	testInvokeOnPool(singletonPool(), a);
1553	+	}
1554	+
1555	+	/**
1556	+	* invokeAll(collection)  throws exception if any task does
1557	+	*/
1558	+	public void testAbnormalInvokeAllCollectionSingleton() {
1559	+	RecursiveAction a = new CheckedRecursiveAction() {
1560	+	public void realCompute() {
1561	+	FailingAsyncFib f = new FailingAsyncFib(8);
1562	+	AsyncFib g = new AsyncFib(9);
1563	+	AsyncFib h = new AsyncFib(7);
1564	+	HashSet set = new HashSet();
1565	+	set.add(f);
1566	+	set.add(g);
1567	+	set.add(h);
1568	+	try {
1569	+	invokeAll(set);
1570	+	shouldThrow();
1571	+	} catch (FJException success) {
1572	+	checkCompletedAbnormally(f, success);
1573	+	}
1574	+	}};
1575	+	testInvokeOnPool(singletonPool(), a);
1576	+	}
1577	+
1578		}

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