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Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.6 by jsr166, Tue Dec 1 06:47:14 2009 UTC vs.
Revision 1.33 by jsr166, Fri May 27 19:42:42 2011 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;
7	+	import java.util.concurrent.CancellationException;
8	+	import java.util.concurrent.ForkJoinPool;
9	+	import java.util.concurrent.ForkJoinTask;
10	+	import java.util.concurrent.ForkJoinWorkerThread;
11	+	import java.util.concurrent.RecursiveAction;
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.*;
7	–	import java.util.concurrent.*;
8	–	import java.util.concurrent.atomic.*;
9	–	import java.util.*;
19
20		public class ForkJoinTaskTest extends JSR166TestCase {
21
22		public static void main(String[] args) {
23	<	junit.textui.TestRunner.run (suite());
23	>	junit.textui.TestRunner.run(suite());
24		}
25	+
26		public static Test suite() {
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	>
97	>	{
98	>	Thread.currentThread().interrupt();
99	>	long t0 = System.nanoTime();
100	>	assertSame(expected, a.join());
101	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
102	>	Thread.interrupted();
103	>	}
104	>
105	>	{
106	>	Thread.currentThread().interrupt();
107	>	long t0 = System.nanoTime();
108	>	a.quietlyJoin();        // should be no-op
109	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
110	>	Thread.interrupted();
111	>	}
112	>
113	>	assertFalse(a.cancel(false));
114	>	assertFalse(a.cancel(true));
115	>	try {
116	>	assertSame(expected, a.get());
117	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
118	>	try {
119	>	assertSame(expected, a.get(5L, SECONDS));
120	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
121	>	}
122	>
123	>	void checkCancelled(ForkJoinTask a) {
124	>	assertTrue(a.isDone());
125	>	assertTrue(a.isCancelled());
126	>	assertFalse(a.isCompletedNormally());
127	>	assertTrue(a.isCompletedAbnormally());
128	>	assertTrue(a.getException() instanceof CancellationException);
129	>	assertNull(a.getRawResult());
130	>	assertTrue(a.cancel(false));
131	>	assertTrue(a.cancel(true));
132	>
133	>	try {
134	>	Thread.currentThread().interrupt();
135	>	a.join();
136	>	shouldThrow();
137	>	} catch (CancellationException success) {
138	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
139	>	Thread.interrupted();
140	>
141	>	{
142	>	long t0 = System.nanoTime();
143	>	a.quietlyJoin();        // should be no-op
144	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
145	>	}
146	>
147	>	try {
148	>	a.get();
149	>	shouldThrow();
150	>	} catch (CancellationException success) {
151	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
152	>
153	>	try {
154	>	a.get(5L, SECONDS);
155	>	shouldThrow();
156	>	} catch (CancellationException success) {
157	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
158	>	}
159	>
160	>	void checkCompletedAbnormally(ForkJoinTask a, Throwable t) {
161	>	assertTrue(a.isDone());
162	>	assertFalse(a.isCancelled());
163	>	assertFalse(a.isCompletedNormally());
164	>	assertTrue(a.isCompletedAbnormally());
165	>	assertSame(t.getClass(), a.getException().getClass());
166	>	assertNull(a.getRawResult());
167	>	assertFalse(a.cancel(false));
168	>	assertFalse(a.cancel(true));
169	>
170	>	try {
171	>	Thread.currentThread().interrupt();
172	>	a.join();
173	>	shouldThrow();
174	>	} catch (Throwable expected) {
175	>	assertSame(t.getClass(), expected.getClass());
176	>	}
177	>	Thread.interrupted();
178	>
179	>	{
180	>	long t0 = System.nanoTime();
181	>	a.quietlyJoin();        // should be no-op
182	>	assertTrue(millisElapsedSince(t0) < SMALL_DELAY_MS);
183	>	}
184	>
185	>	try {
186	>	a.get();
187	>	shouldThrow();
188	>	} catch (ExecutionException success) {
189	>	assertSame(t.getClass(), success.getCause().getClass());
190	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
191	>
192	>	try {
193	>	a.get(5L, SECONDS);
194	>	shouldThrow();
195	>	} catch (ExecutionException success) {
196	>	assertSame(t.getClass(), success.getCause().getClass());
197	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
198	>	}
199	>
200	>	/*
201		* Testing coverage notes:
202		*
203		* To test extension methods and overrides, most tests use
#	Line 25 | Line 205 | public class ForkJoinTaskTest extends JS
205		* differently than supplied Recursive forms.
206		*/
207
208	<	static final ForkJoinPool mainPool = new ForkJoinPool();
29	<	static final ForkJoinPool singletonPool = new ForkJoinPool(1);
30	<	static final ForkJoinPool asyncSingletonPool = new ForkJoinPool(1);
31	<	static {
32	<	asyncSingletonPool.setAsyncMode(true);
33	<	}
34	<
35	<	static final class FJException extends RuntimeException {
208	>	public static final class FJException extends RuntimeException {
209		FJException() { super(); }
210		}
211
212	<	static abstract class BinaryAsyncAction extends ForkJoinTask<Void> {
212	>	abstract static class BinaryAsyncAction extends ForkJoinTask<Void> {
213		private volatile int controlState;
214
215		static final AtomicIntegerFieldUpdater<BinaryAsyncAction> controlStateUpdater =
#	Line 176 | Line 349 | public class ForkJoinTaskTest extends JS
349		}
350		}
351
179	–
352		static final class FailingAsyncFib extends BinaryAsyncAction {
353		int number;
354		public FailingAsyncFib(int n) {
#	Line 208 | Line 380 | public class ForkJoinTaskTest extends JS
380		/**
381		* invoke returns when task completes normally.
382		* isCompletedAbnormally and isCancelled return false for normally
383	<	* completed tasks. getRawResult of a RecursiveAction returns null;
212	<	*
383	>	* completed tasks; getRawResult returns null.
384		*/
385		public void testInvoke() {
386	<	RecursiveAction a = new RecursiveAction() {
387	<	public void compute() {
388	<	AsyncFib f = new AsyncFib(8);
389	<	f.invoke();
390	<	threadAssertTrue(f.number == 21);
391	<	threadAssertTrue(f.isDone());
392	<	threadAssertFalse(f.isCancelled());
393	<	threadAssertFalse(f.isCompletedAbnormally());
223	<	threadAssertTrue(f.getRawResult() == null);
224	<	}
225	<	};
226	<	mainPool.invoke(a);
386	>	RecursiveAction a = new CheckedRecursiveAction() {
387	>	public void realCompute() {
388	>	AsyncFib f = new AsyncFib(8);
389	>	assertNull(f.invoke());
390	>	assertEquals(21, f.number);
391	>	checkCompletedNormally(f);
392	>	}};
393	>	testInvokeOnPool(mainPool(), a);
394		}
395
396		/**
#	Line 232 | Line 399 | public class ForkJoinTaskTest extends JS
399		* completed tasks
400		*/
401		public void testQuietlyInvoke() {
402	<	RecursiveAction a = new RecursiveAction() {
403	<	public void compute() {
404	<	AsyncFib f = new AsyncFib(8);
405	<	f.quietlyInvoke();
406	<	threadAssertTrue(f.number == 21);
407	<	threadAssertTrue(f.isDone());
408	<	threadAssertFalse(f.isCancelled());
409	<	threadAssertFalse(f.isCompletedAbnormally());
243	<	threadAssertTrue(f.getRawResult() == null);
244	<	}
245	<	};
246	<	mainPool.invoke(a);
402	>	RecursiveAction a = new CheckedRecursiveAction() {
403	>	public void realCompute() {
404	>	AsyncFib f = new AsyncFib(8);
405	>	f.quietlyInvoke();
406	>	assertEquals(21, f.number);
407	>	checkCompletedNormally(f);
408	>	}};
409	>	testInvokeOnPool(mainPool(), a);
410		}
411
412		/**
413		* join of a forked task returns when task completes
414		*/
415		public void testForkJoin() {
416	<	RecursiveAction a = new RecursiveAction() {
417	<	public void compute() {
418	<	AsyncFib f = new AsyncFib(8);
419	<	f.fork();
420	<	f.join();
421	<	threadAssertTrue(f.number == 21);
422	<	threadAssertTrue(f.isDone());
423	<	threadAssertTrue(f.getRawResult() == null);
424	<	}
262	<	};
263	<	mainPool.invoke(a);
416	>	RecursiveAction a = new CheckedRecursiveAction() {
417	>	public void realCompute() {
418	>	AsyncFib f = new AsyncFib(8);
419	>	assertSame(f, f.fork());
420	>	assertNull(f.join());
421	>	assertEquals(21, f.number);
422	>	checkCompletedNormally(f);
423	>	}};
424	>	testInvokeOnPool(mainPool(), a);
425		}
426
427		/**
428		* get of a forked task returns when task completes
429		*/
430		public void testForkGet() {
431	<	RecursiveAction a = new RecursiveAction() {
432	<	public void compute() {
433	<	try {
434	<	AsyncFib f = new AsyncFib(8);
435	<	f.fork();
436	<	f.get();
437	<	threadAssertTrue(f.number == 21);
438	<	threadAssertTrue(f.isDone());
439	<	} catch (Exception ex) {
279	<	unexpectedException(ex);
280	<	}
281	<	}
282	<	};
283	<	mainPool.invoke(a);
431	>	RecursiveAction a = new CheckedRecursiveAction() {
432	>	public void realCompute() throws Exception {
433	>	AsyncFib f = new AsyncFib(8);
434	>	assertSame(f, f.fork());
435	>	assertNull(f.get());
436	>	assertEquals(21, f.number);
437	>	checkCompletedNormally(f);
438	>	}};
439	>	testInvokeOnPool(mainPool(), a);
440		}
441
442		/**
443		* timed get of a forked task returns when task completes
444		*/
445		public void testForkTimedGet() {
446	<	RecursiveAction a = new RecursiveAction() {
447	<	public void compute() {
448	<	try {
449	<	AsyncFib f = new AsyncFib(8);
450	<	f.fork();
451	<	f.get(5L, TimeUnit.SECONDS);
452	<	threadAssertTrue(f.number == 21);
453	<	threadAssertTrue(f.isDone());
454	<	} catch (Exception ex) {
299	<	unexpectedException(ex);
300	<	}
301	<	}
302	<	};
303	<	mainPool.invoke(a);
446	>	RecursiveAction a = new CheckedRecursiveAction() {
447	>	public void realCompute() throws Exception {
448	>	AsyncFib f = new AsyncFib(8);
449	>	assertSame(f, f.fork());
450	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
451	>	assertEquals(21, f.number);
452	>	checkCompletedNormally(f);
453	>	}};
454	>	testInvokeOnPool(mainPool(), a);
455		}
456
457		/**
458		* timed get with null time unit throws NPE
459		*/
460		public void testForkTimedGetNPE() {
461	<	RecursiveAction a = new RecursiveAction() {
462	<	public void compute() {
463	<	try {
464	<	AsyncFib f = new AsyncFib(8);
465	<	f.fork();
466	<	f.get(5L, null);
467	<	shouldThrow();
468	<	} catch (NullPointerException success) {
469	<	} catch (Exception ex) {
470	<	unexpectedException(ex);
320	<	}
321	<	}
322	<	};
323	<	mainPool.invoke(a);
324	<	}
325	<
326	<	/**
327	<	* helpJoin of a forked task returns when task completes
328	<	*/
329	<	public void testForkHelpJoin() {
330	<	RecursiveAction a = new RecursiveAction() {
331	<	public void compute() {
332	<	AsyncFib f = new AsyncFib(8);
333	<	f.fork();
334	<	f.helpJoin();
335	<	threadAssertTrue(f.number == 21);
336	<	threadAssertTrue(f.isDone());
337	<	}
338	<	};
339	<	mainPool.invoke(a);
461	>	RecursiveAction a = new CheckedRecursiveAction() {
462	>	public void realCompute() throws Exception {
463	>	AsyncFib f = new AsyncFib(8);
464	>	assertSame(f, f.fork());
465	>	try {
466	>	f.get(5L, null);
467	>	shouldThrow();
468	>	} catch (NullPointerException success) {}
469	>	}};
470	>	testInvokeOnPool(mainPool(), a);
471		}
472
473		/**
474		* quietlyJoin of a forked task returns when task completes
475		*/
476		public void testForkQuietlyJoin() {
477	<	RecursiveAction a = new RecursiveAction() {
478	<	public void compute() {
479	<	AsyncFib f = new AsyncFib(8);
480	<	f.fork();
481	<	f.quietlyJoin();
482	<	threadAssertTrue(f.number == 21);
483	<	threadAssertTrue(f.isDone());
484	<	}
485	<	};
355	<	mainPool.invoke(a);
356	<	}
357	<
358	<
359	<	/**
360	<	* quietlyHelpJoin of a forked task returns when task completes
361	<	*/
362	<	public void testForkQuietlyHelpJoin() {
363	<	RecursiveAction a = new RecursiveAction() {
364	<	public void compute() {
365	<	AsyncFib f = new AsyncFib(8);
366	<	f.fork();
367	<	f.quietlyHelpJoin();
368	<	threadAssertTrue(f.number == 21);
369	<	threadAssertTrue(f.isDone());
370	<	}
371	<	};
372	<	mainPool.invoke(a);
477	>	RecursiveAction a = new CheckedRecursiveAction() {
478	>	public void realCompute() {
479	>	AsyncFib f = new AsyncFib(8);
480	>	assertSame(f, f.fork());
481	>	f.quietlyJoin();
482	>	assertEquals(21, f.number);
483	>	checkCompletedNormally(f);
484	>	}};
485	>	testInvokeOnPool(mainPool(), a);
486		}
487
375	–
488		/**
489		* helpQuiesce returns when tasks are complete.
490		* getQueuedTaskCount returns 0 when quiescent
491		*/
492		public void testForkHelpQuiesce() {
493	<	RecursiveAction a = new RecursiveAction() {
494	<	public void compute() {
495	<	AsyncFib f = new AsyncFib(8);
496	<	f.fork();
497	<	f.helpQuiesce();
498	<	threadAssertTrue(f.number == 21);
499	<	threadAssertTrue(f.isDone());
500	<	threadAssertTrue(getQueuedTaskCount() == 0);
501	<	}
502	<	};
391	<	mainPool.invoke(a);
493	>	RecursiveAction a = new CheckedRecursiveAction() {
494	>	public void realCompute() {
495	>	AsyncFib f = new AsyncFib(8);
496	>	assertSame(f, f.fork());
497	>	helpQuiesce();
498	>	assertEquals(21, f.number);
499	>	assertEquals(0, getQueuedTaskCount());
500	>	checkCompletedNormally(f);
501	>	}};
502	>	testInvokeOnPool(mainPool(), a);
503		}
504
394	–
505		/**
506		* invoke task throws exception when task completes abnormally
507		*/
508		public void testAbnormalInvoke() {
509	<	RecursiveAction a = new RecursiveAction() {
510	<	public void compute() {
511	<	try {
512	<	FailingAsyncFib f = new FailingAsyncFib(8);
513	<	f.invoke();
514	<	shouldThrow();
515	<	} catch (FJException success) {
516	<	}
509	>	RecursiveAction a = new CheckedRecursiveAction() {
510	>	public void realCompute() {
511	>	FailingAsyncFib f = new FailingAsyncFib(8);
512	>	try {
513	>	f.invoke();
514	>	shouldThrow();
515	>	} catch (FJException success) {
516	>	checkCompletedAbnormally(f, success);
517		}
518	<	};
519	<	mainPool.invoke(a);
518	>	}};
519	>	testInvokeOnPool(mainPool(), a);
520		}
521
522		/**
523		* quietlyInvoke task returns when task completes abnormally
524		*/
525		public void testAbnormalQuietlyInvoke() {
526	<	RecursiveAction a = new RecursiveAction() {
527	<	public void compute() {
528	<	FailingAsyncFib f = new FailingAsyncFib(8);
529	<	f.quietlyInvoke();
530	<	threadAssertTrue(f.isDone());
531	<	}
532	<	};
533	<	mainPool.invoke(a);
526	>	RecursiveAction a = new CheckedRecursiveAction() {
527	>	public void realCompute() {
528	>	FailingAsyncFib f = new FailingAsyncFib(8);
529	>	f.quietlyInvoke();
530	>	assertTrue(f.getException() instanceof FJException);
531	>	checkCompletedAbnormally(f, f.getException());
532	>	}};
533	>	testInvokeOnPool(mainPool(), a);
534		}
535
536		/**
537		* join of a forked task throws exception when task completes abnormally
538		*/
539		public void testAbnormalForkJoin() {
540	<	RecursiveAction a = new RecursiveAction() {
541	<	public void compute() {
542	<	try {
543	<	FailingAsyncFib f = new FailingAsyncFib(8);
544	<	f.fork();
545	<	f.join();
546	<	shouldThrow();
547	<	} catch (FJException success) {
548	<	}
540	>	RecursiveAction a = new CheckedRecursiveAction() {
541	>	public void realCompute() {
542	>	FailingAsyncFib f = new FailingAsyncFib(8);
543	>	assertSame(f, f.fork());
544	>	try {
545	>	f.join();
546	>	shouldThrow();
547	>	} catch (FJException success) {
548	>	checkCompletedAbnormally(f, success);
549		}
550	<	};
551	<	mainPool.invoke(a);
550	>	}};
551	>	testInvokeOnPool(mainPool(), a);
552		}
553
554		/**
555		* get of a forked task throws exception when task completes abnormally
556		*/
557		public void testAbnormalForkGet() {
558	<	RecursiveAction a = new RecursiveAction() {
559	<	public void compute() {
560	<	try {
561	<	FailingAsyncFib f = new FailingAsyncFib(8);
562	<	f.fork();
563	<	f.get();
564	<	shouldThrow();
565	<	} catch (ExecutionException success) {
566	<	} catch (Exception ex) {
567	<	unexpectedException(ex);
568	<	}
558	>	RecursiveAction a = new CheckedRecursiveAction() {
559	>	public void realCompute() throws Exception {
560	>	FailingAsyncFib f = new FailingAsyncFib(8);
561	>	assertSame(f, f.fork());
562	>	try {
563	>	f.get();
564	>	shouldThrow();
565	>	} catch (ExecutionException success) {
566	>	Throwable cause = success.getCause();
567	>	assertTrue(cause instanceof FJException);
568	>	checkCompletedAbnormally(f, cause);
569		}
570	<	};
571	<	mainPool.invoke(a);
570	>	}};
571	>	testInvokeOnPool(mainPool(), a);
572		}
573
574		/**
575		* timed get of a forked task throws exception when task completes abnormally
576		*/
577		public void testAbnormalForkTimedGet() {
578	<	RecursiveAction a = new RecursiveAction() {
579	<	public void compute() {
580	<	try {
581	<	FailingAsyncFib f = new FailingAsyncFib(8);
582	<	f.fork();
583	<	f.get(5L, TimeUnit.SECONDS);
584	<	shouldThrow();
585	<	} catch (ExecutionException success) {
586	<	} catch (Exception ex) {
587	<	unexpectedException(ex);
588	<	}
479	<	}
480	<	};
481	<	mainPool.invoke(a);
482	<	}
483	<
484	<	/**
485	<	* join of a forked task throws exception when task completes abnormally
486	<	*/
487	<	public void testAbnormalForkHelpJoin() {
488	<	RecursiveAction a = new RecursiveAction() {
489	<	public void compute() {
490	<	try {
491	<	FailingAsyncFib f = new FailingAsyncFib(8);
492	<	f.fork();
493	<	f.helpJoin();
494	<	shouldThrow();
495	<	} catch (FJException success) {
496	<	}
497	<	}
498	<	};
499	<	mainPool.invoke(a);
500	<	}
501	<
502	<	/**
503	<	* quietlyHelpJoin of a forked task returns when task completes abnormally.
504	<	* getException of failed task returns its exception.
505	<	* isCompletedAbnormally of a failed task returns true.
506	<	* isCancelled of a failed uncancelled task returns false
507	<	*/
508	<	public void testAbnormalForkQuietlyHelpJoin() {
509	<	RecursiveAction a = new RecursiveAction() {
510	<	public void compute() {
511	<	FailingAsyncFib f = new FailingAsyncFib(8);
512	<	f.fork();
513	<	f.quietlyHelpJoin();
514	<	threadAssertTrue(f.isDone());
515	<	threadAssertTrue(f.isCompletedAbnormally());
516	<	threadAssertFalse(f.isCancelled());
517	<	threadAssertTrue(f.getException() instanceof FJException);
578	>	RecursiveAction a = new CheckedRecursiveAction() {
579	>	public void realCompute() throws Exception {
580	>	FailingAsyncFib f = new FailingAsyncFib(8);
581	>	assertSame(f, f.fork());
582	>	try {
583	>	f.get(LONG_DELAY_MS, MILLISECONDS);
584	>	shouldThrow();
585	>	} catch (ExecutionException success) {
586	>	Throwable cause = success.getCause();
587	>	assertTrue(cause instanceof FJException);
588	>	checkCompletedAbnormally(f, cause);
589		}
590	<	};
591	<	mainPool.invoke(a);
590	>	}};
591	>	testInvokeOnPool(mainPool(), a);
592		}
593
594		/**
595		* quietlyJoin of a forked task returns when task completes abnormally
596		*/
597		public void testAbnormalForkQuietlyJoin() {
598	<	RecursiveAction a = new RecursiveAction() {
599	<	public void compute() {
600	<	FailingAsyncFib f = new FailingAsyncFib(8);
601	<	f.fork();
602	<	f.quietlyJoin();
603	<	threadAssertTrue(f.isDone());
604	<	threadAssertTrue(f.isCompletedAbnormally());
605	<	threadAssertTrue(f.getException() instanceof FJException);
606	<	}
536	<	};
537	<	mainPool.invoke(a);
598	>	RecursiveAction a = new CheckedRecursiveAction() {
599	>	public void realCompute() {
600	>	FailingAsyncFib f = new FailingAsyncFib(8);
601	>	assertSame(f, f.fork());
602	>	f.quietlyJoin();
603	>	assertTrue(f.getException() instanceof FJException);
604	>	checkCompletedAbnormally(f, f.getException());
605	>	}};
606	>	testInvokeOnPool(mainPool(), a);
607		}
608
609		/**
610		* invoke task throws exception when task cancelled
611		*/
612		public void testCancelledInvoke() {
613	<	RecursiveAction a = new RecursiveAction() {
614	<	public void compute() {
615	<	try {
616	<	AsyncFib f = new AsyncFib(8);
617	<	f.cancel(true);
618	<	f.invoke();
619	<	shouldThrow();
620	<	} catch (CancellationException success) {
621	<	}
613	>	RecursiveAction a = new CheckedRecursiveAction() {
614	>	public void realCompute() {
615	>	AsyncFib f = new AsyncFib(8);
616	>	assertTrue(f.cancel(true));
617	>	try {
618	>	f.invoke();
619	>	shouldThrow();
620	>	} catch (CancellationException success) {
621	>	checkCancelled(f);
622		}
623	<	};
624	<	mainPool.invoke(a);
623	>	}};
624	>	testInvokeOnPool(mainPool(), a);
625		}
626
627		/**
628		* join of a forked task throws exception when task cancelled
629		*/
630		public void testCancelledForkJoin() {
631	<	RecursiveAction a = new RecursiveAction() {
632	<	public void compute() {
633	<	try {
634	<	AsyncFib f = new AsyncFib(8);
635	<	f.cancel(true);
636	<	f.fork();
637	<	f.join();
638	<	shouldThrow();
639	<	} catch (CancellationException success) {
640	<	}
631	>	RecursiveAction a = new CheckedRecursiveAction() {
632	>	public void realCompute() {
633	>	AsyncFib f = new AsyncFib(8);
634	>	assertTrue(f.cancel(true));
635	>	assertSame(f, f.fork());
636	>	try {
637	>	f.join();
638	>	shouldThrow();
639	>	} catch (CancellationException success) {
640	>	checkCancelled(f);
641		}
642	<	};
643	<	mainPool.invoke(a);
642	>	}};
643	>	testInvokeOnPool(mainPool(), a);
644		}
645
646		/**
647		* get of a forked task throws exception when task cancelled
648		*/
649		public void testCancelledForkGet() {
650	<	RecursiveAction a = new RecursiveAction() {
651	<	public void compute() {
652	<	try {
653	<	AsyncFib f = new AsyncFib(8);
654	<	f.cancel(true);
655	<	f.fork();
656	<	f.get();
657	<	shouldThrow();
658	<	} catch (CancellationException success) {
659	<	} catch (Exception ex) {
591	<	unexpectedException(ex);
592	<	}
650	>	RecursiveAction a = new CheckedRecursiveAction() {
651	>	public void realCompute() throws Exception {
652	>	AsyncFib f = new AsyncFib(8);
653	>	assertTrue(f.cancel(true));
654	>	assertSame(f, f.fork());
655	>	try {
656	>	f.get();
657	>	shouldThrow();
658	>	} catch (CancellationException success) {
659	>	checkCancelled(f);
660		}
661	<	};
662	<	mainPool.invoke(a);
661	>	}};
662	>	testInvokeOnPool(mainPool(), a);
663		}
664
665		/**
666		* timed get of a forked task throws exception when task cancelled
667		*/
668	<	public void testCancelledForkTimedGet() {
669	<	RecursiveAction a = new RecursiveAction() {
670	<	public void compute() {
671	<	try {
672	<	AsyncFib f = new AsyncFib(8);
673	<	f.cancel(true);
674	<	f.fork();
675	<	f.get(5L, TimeUnit.SECONDS);
676	<	shouldThrow();
677	<	} catch (CancellationException success) {
678	<	} catch (Exception ex) {
612	<	unexpectedException(ex);
613	<	}
614	<	}
615	<	};
616	<	mainPool.invoke(a);
617	<	}
618	<
619	<	/**
620	<	* join of a forked task throws exception when task cancelled
621	<	*/
622	<	public void testCancelledForkHelpJoin() {
623	<	RecursiveAction a = new RecursiveAction() {
624	<	public void compute() {
625	<	try {
626	<	AsyncFib f = new AsyncFib(8);
627	<	f.cancel(true);
628	<	f.fork();
629	<	f.helpJoin();
630	<	shouldThrow();
631	<	} catch (CancellationException success) {
632	<	}
633	<	}
634	<	};
635	<	mainPool.invoke(a);
636	<	}
637	<
638	<	/**
639	<	* quietlyHelpJoin of a forked task returns when task cancelled.
640	<	* getException of cancelled task returns its exception.
641	<	* isCompletedAbnormally of a cancelled task returns true.
642	<	* isCancelled of a cancelled task returns true
643	<	*/
644	<	public void testCancelledForkQuietlyHelpJoin() {
645	<	RecursiveAction a = new RecursiveAction() {
646	<	public void compute() {
647	<	AsyncFib f = new AsyncFib(8);
648	<	f.cancel(true);
649	<	f.fork();
650	<	f.quietlyHelpJoin();
651	<	threadAssertTrue(f.isDone());
652	<	threadAssertTrue(f.isCompletedAbnormally());
653	<	threadAssertTrue(f.isCancelled());
654	<	threadAssertTrue(f.getException() instanceof CancellationException);
668	>	public void testCancelledForkTimedGet() throws Exception {
669	>	RecursiveAction a = new CheckedRecursiveAction() {
670	>	public void realCompute() throws Exception {
671	>	AsyncFib f = new AsyncFib(8);
672	>	assertTrue(f.cancel(true));
673	>	assertSame(f, f.fork());
674	>	try {
675	>	f.get(LONG_DELAY_MS, MILLISECONDS);
676	>	shouldThrow();
677	>	} catch (CancellationException success) {
678	>	checkCancelled(f);
679		}
680	<	};
681	<	mainPool.invoke(a);
680	>	}};
681	>	testInvokeOnPool(mainPool(), a);
682		}
683
684		/**
685		* quietlyJoin of a forked task returns when task cancelled
686		*/
687		public void testCancelledForkQuietlyJoin() {
688	<	RecursiveAction a = new RecursiveAction() {
689	<	public void compute() {
690	<	AsyncFib f = new AsyncFib(8);
691	<	f.cancel(true);
692	<	f.fork();
693	<	f.quietlyJoin();
694	<	threadAssertTrue(f.isDone());
695	<	threadAssertTrue(f.isCompletedAbnormally());
696	<	threadAssertTrue(f.getException() instanceof CancellationException);
673	<	}
674	<	};
675	<	mainPool.invoke(a);
688	>	RecursiveAction a = new CheckedRecursiveAction() {
689	>	public void realCompute() {
690	>	AsyncFib f = new AsyncFib(8);
691	>	assertTrue(f.cancel(true));
692	>	assertSame(f, f.fork());
693	>	f.quietlyJoin();
694	>	checkCancelled(f);
695	>	}};
696	>	testInvokeOnPool(mainPool(), a);
697		}
698
699		/**
700		* getPool of executing task returns its pool
701		*/
702		public void testGetPool() {
703	<	RecursiveAction a = new RecursiveAction() {
704	<	public void compute() {
705	<	threadAssertTrue(getPool() == mainPool);
706	<	}
707	<	};
708	<	mainPool.invoke(a);
703	>	final ForkJoinPool mainPool = mainPool();
704	>	RecursiveAction a = new CheckedRecursiveAction() {
705	>	public void realCompute() {
706	>	assertSame(mainPool, getPool());
707	>	}};
708	>	testInvokeOnPool(mainPool, a);
709		}
710
711		/**
712		* getPool of non-FJ task returns null
713		*/
714		public void testGetPool2() {
715	<	RecursiveAction a = new RecursiveAction() {
716	<	public void compute() {
717	<	threadAssertTrue(getPool() == null);
718	<	}
719	<	};
699	<	a.invoke();
715	>	RecursiveAction a = new CheckedRecursiveAction() {
716	>	public void realCompute() {
717	>	assertNull(getPool());
718	>	}};
719	>	assertNull(a.invoke());
720		}
721
722		/**
723		* inForkJoinPool of executing task returns true
724		*/
725		public void testInForkJoinPool() {
726	<	RecursiveAction a = new RecursiveAction() {
727	<	public void compute() {
728	<	threadAssertTrue(inForkJoinPool());
729	<	}
730	<	};
711	<	mainPool.invoke(a);
726	>	RecursiveAction a = new CheckedRecursiveAction() {
727	>	public void realCompute() {
728	>	assertTrue(inForkJoinPool());
729	>	}};
730	>	testInvokeOnPool(mainPool(), a);
731		}
732
733		/**
734		* inForkJoinPool of non-FJ task returns false
735		*/
736		public void testInForkJoinPool2() {
737	<	RecursiveAction a = new RecursiveAction() {
738	<	public void compute() {
739	<	threadAssertTrue(!inForkJoinPool());
740	<	}
741	<	};
723	<	a.invoke();
737	>	RecursiveAction a = new CheckedRecursiveAction() {
738	>	public void realCompute() {
739	>	assertFalse(inForkJoinPool());
740	>	}};
741	>	assertNull(a.invoke());
742		}
743
744		/**
745		* setRawResult(null) succeeds
746		*/
747		public void testSetRawResult() {
748	<	RecursiveAction a = new RecursiveAction() {
749	<	public void compute() {
750	<	setRawResult(null);
751	<	}
752	<	};
753	<	a.invoke();
748	>	RecursiveAction a = new CheckedRecursiveAction() {
749	>	public void realCompute() {
750	>	setRawResult(null);
751	>	assertNull(getRawResult());
752	>	}};
753	>	assertNull(a.invoke());
754		}
755
756		/**
757		* invoke task throws exception after invoking completeExceptionally
758		*/
759		public void testCompleteExceptionally() {
760	<	RecursiveAction a = new RecursiveAction() {
761	<	public void compute() {
762	<	try {
763	<	AsyncFib f = new AsyncFib(8);
764	<	f.completeExceptionally(new FJException());
765	<	f.invoke();
766	<	shouldThrow();
767	<	} catch (FJException success) {
768	<	}
760	>	RecursiveAction a = new CheckedRecursiveAction() {
761	>	public void realCompute() {
762	>	AsyncFib f = new AsyncFib(8);
763	>	f.completeExceptionally(new FJException());
764	>	try {
765	>	f.invoke();
766	>	shouldThrow();
767	>	} catch (FJException success) {
768	>	checkCompletedAbnormally(f, success);
769		}
770	<	};
771	<	mainPool.invoke(a);
770	>	}};
771	>	testInvokeOnPool(mainPool(), a);
772		}
773
774		/**
775		* invokeAll(t1, t2) invokes all task arguments
776		*/
777		public void testInvokeAll2() {
778	<	RecursiveAction a = new RecursiveAction() {
779	<	public void compute() {
780	<	AsyncFib f = new AsyncFib(8);
781	<	AsyncFib g = new AsyncFib(9);
782	<	invokeAll(f, g);
783	<	threadAssertTrue(f.isDone());
784	<	threadAssertTrue(f.number == 21);
785	<	threadAssertTrue(g.isDone());
786	<	threadAssertTrue(g.number == 34);
787	<	}
788	<	};
771	<	mainPool.invoke(a);
778	>	RecursiveAction a = new CheckedRecursiveAction() {
779	>	public void realCompute() {
780	>	AsyncFib f = new AsyncFib(8);
781	>	AsyncFib g = new AsyncFib(9);
782	>	invokeAll(f, g);
783	>	assertEquals(21, f.number);
784	>	assertEquals(34, g.number);
785	>	checkCompletedNormally(f);
786	>	checkCompletedNormally(g);
787	>	}};
788	>	testInvokeOnPool(mainPool(), a);
789		}
790
791		/**
792		* invokeAll(tasks) with 1 argument invokes task
793		*/
794		public void testInvokeAll1() {
795	<	RecursiveAction a = new RecursiveAction() {
796	<	public void compute() {
797	<	AsyncFib f = new AsyncFib(8);
798	<	invokeAll(f);
799	<	threadAssertTrue(f.isDone());
800	<	threadAssertTrue(f.number == 21);
801	<	}
802	<	};
786	<	mainPool.invoke(a);
795	>	RecursiveAction a = new CheckedRecursiveAction() {
796	>	public void realCompute() {
797	>	AsyncFib f = new AsyncFib(8);
798	>	invokeAll(f);
799	>	checkCompletedNormally(f);
800	>	assertEquals(21, f.number);
801	>	}};
802	>	testInvokeOnPool(mainPool(), a);
803		}
804
805		/**
806		* invokeAll(tasks) with > 2 argument invokes tasks
807		*/
808		public void testInvokeAll3() {
809	<	RecursiveAction a = new RecursiveAction() {
810	<	public void compute() {
811	<	AsyncFib f = new AsyncFib(8);
812	<	AsyncFib g = new AsyncFib(9);
813	<	AsyncFib h = new AsyncFib(7);
814	<	invokeAll(f, g, h);
815	<	threadAssertTrue(f.isDone());
816	<	threadAssertTrue(f.number == 21);
817	<	threadAssertTrue(g.isDone());
818	<	threadAssertTrue(g.number == 34);
819	<	threadAssertTrue(h.isDone());
820	<	threadAssertTrue(h.number == 13);
821	<	}
822	<	};
807	<	mainPool.invoke(a);
809	>	RecursiveAction a = new CheckedRecursiveAction() {
810	>	public void realCompute() {
811	>	AsyncFib f = new AsyncFib(8);
812	>	AsyncFib g = new AsyncFib(9);
813	>	AsyncFib h = new AsyncFib(7);
814	>	invokeAll(f, g, h);
815	>	assertEquals(21, f.number);
816	>	assertEquals(34, g.number);
817	>	assertEquals(13, h.number);
818	>	checkCompletedNormally(f);
819	>	checkCompletedNormally(g);
820	>	checkCompletedNormally(h);
821	>	}};
822	>	testInvokeOnPool(mainPool(), a);
823		}
824
825		/**
826		* invokeAll(collection) invokes all tasks in the collection
827		*/
828		public void testInvokeAllCollection() {
829	<	RecursiveAction a = new RecursiveAction() {
830	<	public void compute() {
831	<	AsyncFib f = new AsyncFib(8);
832	<	AsyncFib g = new AsyncFib(9);
833	<	AsyncFib h = new AsyncFib(7);
834	<	HashSet set = new HashSet();
835	<	set.add(f);
836	<	set.add(g);
837	<	set.add(h);
838	<	invokeAll(set);
839	<	threadAssertTrue(f.isDone());
840	<	threadAssertTrue(f.number == 21);
841	<	threadAssertTrue(g.isDone());
842	<	threadAssertTrue(g.number == 34);
843	<	threadAssertTrue(h.isDone());
844	<	threadAssertTrue(h.number == 13);
845	<	}
846	<	};
832	<	mainPool.invoke(a);
829	>	RecursiveAction a = new CheckedRecursiveAction() {
830	>	public void realCompute() {
831	>	AsyncFib f = new AsyncFib(8);
832	>	AsyncFib g = new AsyncFib(9);
833	>	AsyncFib h = new AsyncFib(7);
834	>	HashSet set = new HashSet();
835	>	set.add(f);
836	>	set.add(g);
837	>	set.add(h);
838	>	invokeAll(set);
839	>	assertEquals(21, f.number);
840	>	assertEquals(34, g.number);
841	>	assertEquals(13, h.number);
842	>	checkCompletedNormally(f);
843	>	checkCompletedNormally(g);
844	>	checkCompletedNormally(h);
845	>	}};
846	>	testInvokeOnPool(mainPool(), a);
847		}
848
835	–
849		/**
850		* invokeAll(tasks) with any null task throws NPE
851		*/
852		public void testInvokeAllNPE() {
853	<	RecursiveAction a = new RecursiveAction() {
854	<	public void compute() {
855	<	try {
856	<	AsyncFib f = new AsyncFib(8);
857	<	AsyncFib g = new AsyncFib(9);
858	<	AsyncFib h = null;
859	<	invokeAll(f, g, h);
860	<	shouldThrow();
861	<	} catch (NullPointerException success) {
862	<	}
863	<	}
851	<	};
852	<	mainPool.invoke(a);
853	>	RecursiveAction a = new CheckedRecursiveAction() {
854	>	public void realCompute() {
855	>	AsyncFib f = new AsyncFib(8);
856	>	AsyncFib g = new AsyncFib(9);
857	>	AsyncFib h = null;
858	>	try {
859	>	invokeAll(f, g, h);
860	>	shouldThrow();
861	>	} catch (NullPointerException success) {}
862	>	}};
863	>	testInvokeOnPool(mainPool(), a);
864		}
865
866		/**
867		* invokeAll(t1, t2) throw exception if any task does
868		*/
869		public void testAbnormalInvokeAll2() {
870	<	RecursiveAction a = new RecursiveAction() {
871	<	public void compute() {
872	<	try {
873	<	AsyncFib f = new AsyncFib(8);
874	<	FailingAsyncFib g = new FailingAsyncFib(9);
875	<	invokeAll(f, g);
876	<	shouldThrow();
877	<	} catch (FJException success) {
878	<	}
870	>	RecursiveAction a = new CheckedRecursiveAction() {
871	>	public void realCompute() {
872	>	AsyncFib f = new AsyncFib(8);
873	>	FailingAsyncFib g = new FailingAsyncFib(9);
874	>	try {
875	>	invokeAll(f, g);
876	>	shouldThrow();
877	>	} catch (FJException success) {
878	>	checkCompletedAbnormally(g, success);
879		}
880	<	};
881	<	mainPool.invoke(a);
880	>	}};
881	>	testInvokeOnPool(mainPool(), a);
882		}
883
884		/**
885		* invokeAll(tasks) with 1 argument throws exception if task does
886		*/
887		public void testAbnormalInvokeAll1() {
888	<	RecursiveAction a = new RecursiveAction() {
889	<	public void compute() {
890	<	try {
891	<	FailingAsyncFib g = new FailingAsyncFib(9);
892	<	invokeAll(g);
893	<	shouldThrow();
894	<	} catch (FJException success) {
895	<	}
888	>	RecursiveAction a = new CheckedRecursiveAction() {
889	>	public void realCompute() {
890	>	FailingAsyncFib g = new FailingAsyncFib(9);
891	>	try {
892	>	invokeAll(g);
893	>	shouldThrow();
894	>	} catch (FJException success) {
895	>	checkCompletedAbnormally(g, success);
896		}
897	<	};
898	<	mainPool.invoke(a);
897	>	}};
898	>	testInvokeOnPool(mainPool(), a);
899		}
900
901		/**
902		* invokeAll(tasks) with > 2 argument throws exception if any task does
903		*/
904		public void testAbnormalInvokeAll3() {
905	<	RecursiveAction a = new RecursiveAction() {
906	<	public void compute() {
907	<	try {
908	<	AsyncFib f = new AsyncFib(8);
909	<	FailingAsyncFib g = new FailingAsyncFib(9);
910	<	AsyncFib h = new AsyncFib(7);
911	<	invokeAll(f, g, h);
912	<	shouldThrow();
913	<	} catch (FJException success) {
914	<	}
905	>	RecursiveAction a = new CheckedRecursiveAction() {
906	>	public void realCompute() {
907	>	AsyncFib f = new AsyncFib(8);
908	>	FailingAsyncFib g = new FailingAsyncFib(9);
909	>	AsyncFib h = new AsyncFib(7);
910	>	try {
911	>	invokeAll(f, g, h);
912	>	shouldThrow();
913	>	} catch (FJException success) {
914	>	checkCompletedAbnormally(g, success);
915		}
916	<	};
917	<	mainPool.invoke(a);
916	>	}};
917	>	testInvokeOnPool(mainPool(), a);
918		}
919
920		/**
921		* invokeAll(collection)  throws exception if any task does
922		*/
923		public void testAbnormalInvokeAllCollection() {
924	<	RecursiveAction a = new RecursiveAction() {
925	<	public void compute() {
926	<	try {
927	<	FailingAsyncFib f = new FailingAsyncFib(8);
928	<	AsyncFib g = new AsyncFib(9);
929	<	AsyncFib h = new AsyncFib(7);
930	<	HashSet set = new HashSet();
931	<	set.add(f);
932	<	set.add(g);
933	<	set.add(h);
934	<	invokeAll(set);
935	<	shouldThrow();
936	<	} catch (FJException success) {
937	<	}
924	>	RecursiveAction a = new CheckedRecursiveAction() {
925	>	public void realCompute() {
926	>	FailingAsyncFib f = new FailingAsyncFib(8);
927	>	AsyncFib g = new AsyncFib(9);
928	>	AsyncFib h = new AsyncFib(7);
929	>	HashSet set = new HashSet();
930	>	set.add(f);
931	>	set.add(g);
932	>	set.add(h);
933	>	try {
934	>	invokeAll(set);
935	>	shouldThrow();
936	>	} catch (FJException success) {
937	>	checkCompletedAbnormally(f, success);
938		}
939	<	};
940	<	mainPool.invoke(a);
939	>	}};
940	>	testInvokeOnPool(mainPool(), a);
941		}
942
943		/**
#	Line 934 | Line 945 | public class ForkJoinTaskTest extends JS
945		* and suppresses execution
946		*/
947		public void testTryUnfork() {
948	<	RecursiveAction a = new RecursiveAction() {
949	<	public void compute() {
950	<	AsyncFib g = new AsyncFib(9);
951	<	g.fork();
952	<	AsyncFib f = new AsyncFib(8);
953	<	f.fork();
954	<	threadAssertTrue(f.tryUnfork());
955	<	helpQuiesce();
956	<	threadAssertFalse(f.isDone());
957	<	threadAssertTrue(g.isDone());
958	<	}
959	<	};
949	<	singletonPool.invoke(a);
948	>	RecursiveAction a = new CheckedRecursiveAction() {
949	>	public void realCompute() {
950	>	AsyncFib g = new AsyncFib(9);
951	>	assertSame(g, g.fork());
952	>	AsyncFib f = new AsyncFib(8);
953	>	assertSame(f, f.fork());
954	>	assertTrue(f.tryUnfork());
955	>	helpQuiesce();
956	>	checkNotDone(f);
957	>	checkCompletedNormally(g);
958	>	}};
959	>	testInvokeOnPool(singletonPool(), a);
960		}
961
962		/**
#	Line 954 | Line 964 | public class ForkJoinTaskTest extends JS
964		* there are more tasks than threads
965		*/
966		public void testGetSurplusQueuedTaskCount() {
967	<	RecursiveAction a = new RecursiveAction() {
968	<	public void compute() {
969	<	AsyncFib h = new AsyncFib(7);
970	<	h.fork();
971	<	AsyncFib g = new AsyncFib(9);
972	<	g.fork();
973	<	AsyncFib f = new AsyncFib(8);
974	<	f.fork();
975	<	threadAssertTrue(getSurplusQueuedTaskCount() > 0);
976	<	helpQuiesce();
977	<	}
978	<	};
979	<	singletonPool.invoke(a);
967	>	RecursiveAction a = new CheckedRecursiveAction() {
968	>	public void realCompute() {
969	>	AsyncFib h = new AsyncFib(7);
970	>	assertSame(h, h.fork());
971	>	AsyncFib g = new AsyncFib(9);
972	>	assertSame(g, g.fork());
973	>	AsyncFib f = new AsyncFib(8);
974	>	assertSame(f, f.fork());
975	>	assertTrue(getSurplusQueuedTaskCount() > 0);
976	>	helpQuiesce();
977	>	assertEquals(0, getSurplusQueuedTaskCount());
978	>	checkCompletedNormally(f);
979	>	checkCompletedNormally(g);
980	>	checkCompletedNormally(h);
981	>	}};
982	>	testInvokeOnPool(singletonPool(), a);
983		}
984
985		/**
986		* peekNextLocalTask returns most recent unexecuted task.
987		*/
988		public void testPeekNextLocalTask() {
989	<	RecursiveAction a = new RecursiveAction() {
990	<	public void compute() {
991	<	AsyncFib g = new AsyncFib(9);
992	<	g.fork();
993	<	AsyncFib f = new AsyncFib(8);
994	<	f.fork();
995	<	threadAssertTrue(peekNextLocalTask() == f);
996	<	f.join();
997	<	threadAssertTrue(f.isDone());
998	<	helpQuiesce();
999	<	}
1000	<	};
1001	<	singletonPool.invoke(a);
989	>	RecursiveAction a = new CheckedRecursiveAction() {
990	>	public void realCompute() {
991	>	AsyncFib g = new AsyncFib(9);
992	>	assertSame(g, g.fork());
993	>	AsyncFib f = new AsyncFib(8);
994	>	assertSame(f, f.fork());
995	>	assertSame(f, peekNextLocalTask());
996	>	assertNull(f.join());
997	>	checkCompletedNormally(f);
998	>	helpQuiesce();
999	>	checkCompletedNormally(g);
1000	>	}};
1001	>	testInvokeOnPool(singletonPool(), a);
1002		}
1003
1004		/**
1005	<	* pollNextLocalTask returns most recent unexecuted task
1006	<	* without executing it
1005	>	* pollNextLocalTask returns most recent unexecuted task without
1006	>	* executing it
1007		*/
1008		public void testPollNextLocalTask() {
1009	<	RecursiveAction a = new RecursiveAction() {
1010	<	public void compute() {
1011	<	AsyncFib g = new AsyncFib(9);
1012	<	g.fork();
1013	<	AsyncFib f = new AsyncFib(8);
1014	<	f.fork();
1015	<	threadAssertTrue(pollNextLocalTask() == f);
1016	<	helpQuiesce();
1017	<	threadAssertFalse(f.isDone());
1018	<	}
1019	<	};
1020	<	singletonPool.invoke(a);
1009	>	RecursiveAction a = new CheckedRecursiveAction() {
1010	>	public void realCompute() {
1011	>	AsyncFib g = new AsyncFib(9);
1012	>	assertSame(g, g.fork());
1013	>	AsyncFib f = new AsyncFib(8);
1014	>	assertSame(f, f.fork());
1015	>	assertSame(f, pollNextLocalTask());
1016	>	helpQuiesce();
1017	>	checkNotDone(f);
1018	>	assertEquals(34, g.number);
1019	>	checkCompletedNormally(g);
1020	>	}};
1021	>	testInvokeOnPool(singletonPool(), a);
1022		}
1023
1024		/**
1025	<	* pollTask returns an unexecuted task
1012	<	* without executing it
1025	>	* pollTask returns an unexecuted task without executing it
1026		*/
1027		public void testPollTask() {
1028	<	RecursiveAction a = new RecursiveAction() {
1029	<	public void compute() {
1030	<	AsyncFib g = new AsyncFib(9);
1031	<	g.fork();
1032	<	AsyncFib f = new AsyncFib(8);
1033	<	f.fork();
1034	<	threadAssertTrue(pollTask() == f);
1035	<	helpQuiesce();
1036	<	threadAssertFalse(f.isDone());
1037	<	threadAssertTrue(g.isDone());
1038	<	}
1039	<	};
1027	<	singletonPool.invoke(a);
1028	>	RecursiveAction a = new CheckedRecursiveAction() {
1029	>	public void realCompute() {
1030	>	AsyncFib g = new AsyncFib(9);
1031	>	assertSame(g, g.fork());
1032	>	AsyncFib f = new AsyncFib(8);
1033	>	assertSame(f, f.fork());
1034	>	assertSame(f, pollTask());
1035	>	helpQuiesce();
1036	>	checkNotDone(f);
1037	>	checkCompletedNormally(g);
1038	>	}};
1039	>	testInvokeOnPool(singletonPool(), a);
1040		}
1041
1042		/**
1043		* peekNextLocalTask returns least recent unexecuted task in async mode
1044		*/
1045		public void testPeekNextLocalTaskAsync() {
1046	<	RecursiveAction a = new RecursiveAction() {
1047	<	public void compute() {
1048	<	AsyncFib g = new AsyncFib(9);
1049	<	g.fork();
1050	<	AsyncFib f = new AsyncFib(8);
1051	<	f.fork();
1052	<	threadAssertTrue(peekNextLocalTask() == g);
1046	>	RecursiveAction a = new CheckedRecursiveAction() {
1047	>	public void realCompute() {
1048	>	AsyncFib g = new AsyncFib(9);
1049	>	assertSame(g, g.fork());
1050	>	AsyncFib f = new AsyncFib(8);
1051	>	assertSame(f, f.fork());
1052	>	assertSame(g, peekNextLocalTask());
1053	>	assertNull(f.join());
1054	>	helpQuiesce();
1055	>	checkCompletedNormally(f);
1056	>	assertEquals(34, g.number);
1057	>	checkCompletedNormally(g);
1058	>	}};
1059	>	testInvokeOnPool(asyncSingletonPool(), a);
1060	>	}
1061	>
1062	>	/**
1063	>	* pollNextLocalTask returns least recent unexecuted task without
1064	>	* executing it, in async mode
1065	>	*/
1066	>	public void testPollNextLocalTaskAsync() {
1067	>	RecursiveAction a = new CheckedRecursiveAction() {
1068	>	public void realCompute() {
1069	>	AsyncFib g = new AsyncFib(9);
1070	>	assertSame(g, g.fork());
1071	>	AsyncFib f = new AsyncFib(8);
1072	>	assertSame(f, f.fork());
1073	>	assertSame(g, pollNextLocalTask());
1074	>	helpQuiesce();
1075	>	assertEquals(21, f.number);
1076	>	checkCompletedNormally(f);
1077	>	checkNotDone(g);
1078	>	}};
1079	>	testInvokeOnPool(asyncSingletonPool(), a);
1080	>	}
1081	>
1082	>	/**
1083	>	* pollTask returns an unexecuted task without executing it, in
1084	>	* async mode
1085	>	*/
1086	>	public void testPollTaskAsync() {
1087	>	RecursiveAction a = new CheckedRecursiveAction() {
1088	>	public void realCompute() {
1089	>	AsyncFib g = new AsyncFib(9);
1090	>	assertSame(g, g.fork());
1091	>	AsyncFib f = new AsyncFib(8);
1092	>	assertSame(f, f.fork());
1093	>	assertSame(g, pollTask());
1094	>	helpQuiesce();
1095	>	assertEquals(21, f.number);
1096	>	checkCompletedNormally(f);
1097	>	checkNotDone(g);
1098	>	}};
1099	>	testInvokeOnPool(asyncSingletonPool(), a);
1100	>	}
1101	>
1102	>	// versions for singleton pools
1103	>
1104	>	/**
1105	>	* invoke returns when task completes normally.
1106	>	* isCompletedAbnormally and isCancelled return false for normally
1107	>	* completed tasks; getRawResult returns null.
1108	>	*/
1109	>	public void testInvokeSingleton() {
1110	>	RecursiveAction a = new CheckedRecursiveAction() {
1111	>	public void realCompute() {
1112	>	AsyncFib f = new AsyncFib(8);
1113	>	assertNull(f.invoke());
1114	>	assertEquals(21, f.number);
1115	>	checkCompletedNormally(f);
1116	>	}};
1117	>	testInvokeOnPool(singletonPool(), a);
1118	>	}
1119	>
1120	>	/**
1121	>	* quietlyInvoke task returns when task completes normally.
1122	>	* isCompletedAbnormally and isCancelled return false for normally
1123	>	* completed tasks
1124	>	*/
1125	>	public void testQuietlyInvokeSingleton() {
1126	>	RecursiveAction a = new CheckedRecursiveAction() {
1127	>	public void realCompute() {
1128	>	AsyncFib f = new AsyncFib(8);
1129	>	f.quietlyInvoke();
1130	>	assertEquals(21, f.number);
1131	>	checkCompletedNormally(f);
1132	>	}};
1133	>	testInvokeOnPool(singletonPool(), a);
1134	>	}
1135	>
1136	>	/**
1137	>	* join of a forked task returns when task completes
1138	>	*/
1139	>	public void testForkJoinSingleton() {
1140	>	RecursiveAction a = new CheckedRecursiveAction() {
1141	>	public void realCompute() {
1142	>	AsyncFib f = new AsyncFib(8);
1143	>	assertSame(f, f.fork());
1144	>	assertNull(f.join());
1145	>	assertEquals(21, f.number);
1146	>	checkCompletedNormally(f);
1147	>	}};
1148	>	testInvokeOnPool(singletonPool(), a);
1149	>	}
1150	>
1151	>	/**
1152	>	* get of a forked task returns when task completes
1153	>	*/
1154	>	public void testForkGetSingleton() {
1155	>	RecursiveAction a = new CheckedRecursiveAction() {
1156	>	public void realCompute() throws Exception {
1157	>	AsyncFib f = new AsyncFib(8);
1158	>	assertSame(f, f.fork());
1159	>	assertNull(f.get());
1160	>	assertEquals(21, f.number);
1161	>	checkCompletedNormally(f);
1162	>	}};
1163	>	testInvokeOnPool(singletonPool(), a);
1164	>	}
1165	>
1166	>	/**
1167	>	* timed get of a forked task returns when task completes
1168	>	*/
1169	>	public void testForkTimedGetSingleton() {
1170	>	RecursiveAction a = new CheckedRecursiveAction() {
1171	>	public void realCompute() throws Exception {
1172	>	AsyncFib f = new AsyncFib(8);
1173	>	assertSame(f, f.fork());
1174	>	assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1175	>	assertEquals(21, f.number);
1176	>	checkCompletedNormally(f);
1177	>	}};
1178	>	testInvokeOnPool(singletonPool(), a);
1179	>	}
1180	>
1181	>	/**
1182	>	* timed get with null time unit throws NPE
1183	>	*/
1184	>	public void testForkTimedGetNPESingleton() {
1185	>	RecursiveAction a = new CheckedRecursiveAction() {
1186	>	public void realCompute() throws Exception {
1187	>	AsyncFib f = new AsyncFib(8);
1188	>	assertSame(f, f.fork());
1189	>	try {
1190	>	f.get(5L, null);
1191	>	shouldThrow();
1192	>	} catch (NullPointerException success) {}
1193	>	}};
1194	>	testInvokeOnPool(singletonPool(), a);
1195	>	}
1196	>
1197	>	/**
1198	>	* quietlyJoin of a forked task returns when task completes
1199	>	*/
1200	>	public void testForkQuietlyJoinSingleton() {
1201	>	RecursiveAction a = new CheckedRecursiveAction() {
1202	>	public void realCompute() {
1203	>	AsyncFib f = new AsyncFib(8);
1204	>	assertSame(f, f.fork());
1205	>	f.quietlyJoin();
1206	>	assertEquals(21, f.number);
1207	>	checkCompletedNormally(f);
1208	>	}};
1209	>	testInvokeOnPool(singletonPool(), a);
1210	>	}
1211	>
1212	>	/**
1213	>	* helpQuiesce returns when tasks are complete.
1214	>	* getQueuedTaskCount returns 0 when quiescent
1215	>	*/
1216	>	public void testForkHelpQuiesceSingleton() {
1217	>	RecursiveAction a = new CheckedRecursiveAction() {
1218	>	public void realCompute() {
1219	>	AsyncFib f = new AsyncFib(8);
1220	>	assertSame(f, f.fork());
1221	>	helpQuiesce();
1222	>	assertEquals(0, getQueuedTaskCount());
1223	>	assertEquals(21, f.number);
1224	>	checkCompletedNormally(f);
1225	>	}};
1226	>	testInvokeOnPool(singletonPool(), a);
1227	>	}
1228	>
1229	>	/**
1230	>	* invoke task throws exception when task completes abnormally
1231	>	*/
1232	>	public void testAbnormalInvokeSingleton() {
1233	>	RecursiveAction a = new CheckedRecursiveAction() {
1234	>	public void realCompute() {
1235	>	FailingAsyncFib f = new FailingAsyncFib(8);
1236	>	try {
1237	>	f.invoke();
1238	>	shouldThrow();
1239	>	} catch (FJException success) {
1240	>	checkCompletedAbnormally(f, success);
1241	>	}
1242	>	}};
1243	>	testInvokeOnPool(singletonPool(), a);
1244	>	}
1245	>
1246	>	/**
1247	>	* quietlyInvoke task returns when task completes abnormally
1248	>	*/
1249	>	public void testAbnormalQuietlyInvokeSingleton() {
1250	>	RecursiveAction a = new CheckedRecursiveAction() {
1251	>	public void realCompute() {
1252	>	FailingAsyncFib f = new FailingAsyncFib(8);
1253	>	f.quietlyInvoke();
1254	>	assertTrue(f.getException() instanceof FJException);
1255	>	checkCompletedAbnormally(f, f.getException());
1256	>	}};
1257	>	testInvokeOnPool(singletonPool(), a);
1258	>	}
1259	>
1260	>	/**
1261	>	* join of a forked task throws exception when task completes abnormally
1262	>	*/
1263	>	public void testAbnormalForkJoinSingleton() {
1264	>	RecursiveAction a = new CheckedRecursiveAction() {
1265	>	public void realCompute() {
1266	>	FailingAsyncFib f = new FailingAsyncFib(8);
1267	>	assertSame(f, f.fork());
1268	>	try {
1269		f.join();
1270	<	helpQuiesce();
1271	<	threadAssertTrue(f.isDone());
1270	>	shouldThrow();
1271	>	} catch (FJException success) {
1272	>	checkCompletedAbnormally(f, success);
1273		}
1274	<	};
1275	<	asyncSingletonPool.invoke(a);
1274	>	}};
1275	>	testInvokeOnPool(singletonPool(), a);
1276		}
1277
1278		/**
1279	<	* pollNextLocalTask returns least recent unexecuted task
1051	<	* without executing it, in async mode
1279	>	* get of a forked task throws exception when task completes abnormally
1280		*/
1281	<	public void testPollNextLocalTaskAsync() {
1282	<	RecursiveAction a = new RecursiveAction() {
1283	<	public void compute() {
1284	<	AsyncFib g = new AsyncFib(9);
1285	<	g.fork();
1286	<	AsyncFib f = new AsyncFib(8);
1287	<	f.fork();
1288	<	threadAssertTrue(pollNextLocalTask() == g);
1289	<	helpQuiesce();
1290	<	threadAssertTrue(f.isDone());
1291	<	threadAssertFalse(g.isDone());
1281	>	public void testAbnormalForkGetSingleton() {
1282	>	RecursiveAction a = new CheckedRecursiveAction() {
1283	>	public void realCompute() throws Exception {
1284	>	FailingAsyncFib f = new FailingAsyncFib(8);
1285	>	assertSame(f, f.fork());
1286	>	try {
1287	>	f.get();
1288	>	shouldThrow();
1289	>	} catch (ExecutionException success) {
1290	>	Throwable cause = success.getCause();
1291	>	assertTrue(cause instanceof FJException);
1292	>	checkCompletedAbnormally(f, cause);
1293		}
1294	<	};
1295	<	asyncSingletonPool.invoke(a);
1294	>	}};
1295	>	testInvokeOnPool(singletonPool(), a);
1296		}
1297
1298		/**
1299	<	* pollTask returns an unexecuted task
1071	<	* without executing it, in async mode
1299	>	* timed get of a forked task throws exception when task completes abnormally
1300		*/
1301	<	public void testPollTaskAsync() {
1302	<	RecursiveAction a = new RecursiveAction() {
1303	<	public void compute() {
1304	<	AsyncFib g = new AsyncFib(9);
1305	<	g.fork();
1306	<	AsyncFib f = new AsyncFib(8);
1307	<	f.fork();
1308	<	threadAssertTrue(pollTask() == g);
1309	<	helpQuiesce();
1310	<	threadAssertTrue(f.isDone());
1311	<	threadAssertFalse(g.isDone());
1301	>	public void testAbnormalForkTimedGetSingleton() {
1302	>	RecursiveAction a = new CheckedRecursiveAction() {
1303	>	public void realCompute() throws Exception {
1304	>	FailingAsyncFib f = new FailingAsyncFib(8);
1305	>	assertSame(f, f.fork());
1306	>	try {
1307	>	f.get(LONG_DELAY_MS, MILLISECONDS);
1308	>	shouldThrow();
1309	>	} catch (ExecutionException success) {
1310	>	Throwable cause = success.getCause();
1311	>	assertTrue(cause instanceof FJException);
1312	>	checkCompletedAbnormally(f, cause);
1313		}
1314	<	};
1315	<	asyncSingletonPool.invoke(a);
1314	>	}};
1315	>	testInvokeOnPool(singletonPool(), a);
1316		}
1317	+
1318	+	/**
1319	+	* quietlyJoin of a forked task returns when task completes abnormally
1320	+	*/
1321	+	public void testAbnormalForkQuietlyJoinSingleton() {
1322	+	RecursiveAction a = new CheckedRecursiveAction() {
1323	+	public void realCompute() {
1324	+	FailingAsyncFib f = new FailingAsyncFib(8);
1325	+	assertSame(f, f.fork());
1326	+	f.quietlyJoin();
1327	+	assertTrue(f.getException() instanceof FJException);
1328	+	checkCompletedAbnormally(f, f.getException());
1329	+	}};
1330	+	testInvokeOnPool(singletonPool(), a);
1331	+	}
1332	+
1333	+	/**
1334	+	* invoke task throws exception when task cancelled
1335	+	*/
1336	+	public void testCancelledInvokeSingleton() {
1337	+	RecursiveAction a = new CheckedRecursiveAction() {
1338	+	public void realCompute() {
1339	+	AsyncFib f = new AsyncFib(8);
1340	+	assertTrue(f.cancel(true));
1341	+	try {
1342	+	f.invoke();
1343	+	shouldThrow();
1344	+	} catch (CancellationException success) {
1345	+	checkCancelled(f);
1346	+	}
1347	+	}};
1348	+	testInvokeOnPool(singletonPool(), a);
1349	+	}
1350	+
1351	+	/**
1352	+	* join of a forked task throws exception when task cancelled
1353	+	*/
1354	+	public void testCancelledForkJoinSingleton() {
1355	+	RecursiveAction a = new CheckedRecursiveAction() {
1356	+	public void realCompute() {
1357	+	AsyncFib f = new AsyncFib(8);
1358	+	assertTrue(f.cancel(true));
1359	+	assertSame(f, f.fork());
1360	+	try {
1361	+	f.join();
1362	+	shouldThrow();
1363	+	} catch (CancellationException success) {
1364	+	checkCancelled(f);
1365	+	}
1366	+	}};
1367	+	testInvokeOnPool(singletonPool(), a);
1368	+	}
1369	+
1370	+	/**
1371	+	* get of a forked task throws exception when task cancelled
1372	+	*/
1373	+	public void testCancelledForkGetSingleton() {
1374	+	RecursiveAction a = new CheckedRecursiveAction() {
1375	+	public void realCompute() throws Exception {
1376	+	AsyncFib f = new AsyncFib(8);
1377	+	assertTrue(f.cancel(true));
1378	+	assertSame(f, f.fork());
1379	+	try {
1380	+	f.get();
1381	+	shouldThrow();
1382	+	} catch (CancellationException success) {
1383	+	checkCancelled(f);
1384	+	}
1385	+	}};
1386	+	testInvokeOnPool(singletonPool(), a);
1387	+	}
1388	+
1389	+	/**
1390	+	* timed get of a forked task throws exception when task cancelled
1391	+	*/
1392	+	public void testCancelledForkTimedGetSingleton() throws Exception {
1393	+	RecursiveAction a = new CheckedRecursiveAction() {
1394	+	public void realCompute() throws Exception {
1395	+	AsyncFib f = new AsyncFib(8);
1396	+	assertTrue(f.cancel(true));
1397	+	assertSame(f, f.fork());
1398	+	try {
1399	+	f.get(LONG_DELAY_MS, MILLISECONDS);
1400	+	shouldThrow();
1401	+	} catch (CancellationException success) {
1402	+	checkCancelled(f);
1403	+	}
1404	+	}};
1405	+	testInvokeOnPool(singletonPool(), a);
1406	+	}
1407	+
1408	+	/**
1409	+	* quietlyJoin of a forked task returns when task cancelled
1410	+	*/
1411	+	public void testCancelledForkQuietlyJoinSingleton() {
1412	+	RecursiveAction a = new CheckedRecursiveAction() {
1413	+	public void realCompute() {
1414	+	AsyncFib f = new AsyncFib(8);
1415	+	assertTrue(f.cancel(true));
1416	+	assertSame(f, f.fork());
1417	+	f.quietlyJoin();
1418	+	checkCancelled(f);
1419	+	}};
1420	+	testInvokeOnPool(singletonPool(), a);
1421	+	}
1422	+
1423	+	/**
1424	+	* invoke task throws exception after invoking completeExceptionally
1425	+	*/
1426	+	public void testCompleteExceptionallySingleton() {
1427	+	RecursiveAction a = new CheckedRecursiveAction() {
1428	+	public void realCompute() {
1429	+	AsyncFib f = new AsyncFib(8);
1430	+	f.completeExceptionally(new FJException());
1431	+	try {
1432	+	f.invoke();
1433	+	shouldThrow();
1434	+	} catch (FJException success) {
1435	+	checkCompletedAbnormally(f, success);
1436	+	}
1437	+	}};
1438	+	testInvokeOnPool(singletonPool(), a);
1439	+	}
1440	+
1441	+	/**
1442	+	* invokeAll(t1, t2) invokes all task arguments
1443	+	*/
1444	+	public void testInvokeAll2Singleton() {
1445	+	RecursiveAction a = new CheckedRecursiveAction() {
1446	+	public void realCompute() {
1447	+	AsyncFib f = new AsyncFib(8);
1448	+	AsyncFib g = new AsyncFib(9);
1449	+	invokeAll(f, g);
1450	+	assertEquals(21, f.number);
1451	+	assertEquals(34, g.number);
1452	+	checkCompletedNormally(f);
1453	+	checkCompletedNormally(g);
1454	+	}};
1455	+	testInvokeOnPool(singletonPool(), a);
1456	+	}
1457	+
1458	+	/**
1459	+	* invokeAll(tasks) with 1 argument invokes task
1460	+	*/
1461	+	public void testInvokeAll1Singleton() {
1462	+	RecursiveAction a = new CheckedRecursiveAction() {
1463	+	public void realCompute() {
1464	+	AsyncFib f = new AsyncFib(8);
1465	+	invokeAll(f);
1466	+	checkCompletedNormally(f);
1467	+	assertEquals(21, f.number);
1468	+	}};
1469	+	testInvokeOnPool(singletonPool(), a);
1470	+	}
1471	+
1472	+	/**
1473	+	* invokeAll(tasks) with > 2 argument invokes tasks
1474	+	*/
1475	+	public void testInvokeAll3Singleton() {
1476	+	RecursiveAction a = new CheckedRecursiveAction() {
1477	+	public void realCompute() {
1478	+	AsyncFib f = new AsyncFib(8);
1479	+	AsyncFib g = new AsyncFib(9);
1480	+	AsyncFib h = new AsyncFib(7);
1481	+	invokeAll(f, g, h);
1482	+	assertEquals(21, f.number);
1483	+	assertEquals(34, g.number);
1484	+	assertEquals(13, h.number);
1485	+	checkCompletedNormally(f);
1486	+	checkCompletedNormally(g);
1487	+	checkCompletedNormally(h);
1488	+	}};
1489	+	testInvokeOnPool(singletonPool(), a);
1490	+	}
1491	+
1492	+	/**
1493	+	* invokeAll(collection) invokes all tasks in the collection
1494	+	*/
1495	+	public void testInvokeAllCollectionSingleton() {
1496	+	RecursiveAction a = new CheckedRecursiveAction() {
1497	+	public void realCompute() {
1498	+	AsyncFib f = new AsyncFib(8);
1499	+	AsyncFib g = new AsyncFib(9);
1500	+	AsyncFib h = new AsyncFib(7);
1501	+	HashSet set = new HashSet();
1502	+	set.add(f);
1503	+	set.add(g);
1504	+	set.add(h);
1505	+	invokeAll(set);
1506	+	assertEquals(21, f.number);
1507	+	assertEquals(34, g.number);
1508	+	assertEquals(13, h.number);
1509	+	checkCompletedNormally(f);
1510	+	checkCompletedNormally(g);
1511	+	checkCompletedNormally(h);
1512	+	}};
1513	+	testInvokeOnPool(singletonPool(), a);
1514	+	}
1515	+
1516	+	/**
1517	+	* invokeAll(tasks) with any null task throws NPE
1518	+	*/
1519	+	public void testInvokeAllNPESingleton() {
1520	+	RecursiveAction a = new CheckedRecursiveAction() {
1521	+	public void realCompute() {
1522	+	AsyncFib f = new AsyncFib(8);
1523	+	AsyncFib g = new AsyncFib(9);
1524	+	AsyncFib h = null;
1525	+	try {
1526	+	invokeAll(f, g, h);
1527	+	shouldThrow();
1528	+	} catch (NullPointerException success) {}
1529	+	}};
1530	+	testInvokeOnPool(singletonPool(), a);
1531	+	}
1532	+
1533	+	/**
1534	+	* invokeAll(t1, t2) throw exception if any task does
1535	+	*/
1536	+	public void testAbnormalInvokeAll2Singleton() {
1537	+	RecursiveAction a = new CheckedRecursiveAction() {
1538	+	public void realCompute() {
1539	+	AsyncFib f = new AsyncFib(8);
1540	+	FailingAsyncFib g = new FailingAsyncFib(9);
1541	+	try {
1542	+	invokeAll(f, g);
1543	+	shouldThrow();
1544	+	} catch (FJException success) {
1545	+	checkCompletedAbnormally(g, success);
1546	+	}
1547	+	}};
1548	+	testInvokeOnPool(singletonPool(), a);
1549	+	}
1550	+
1551	+	/**
1552	+	* invokeAll(tasks) with 1 argument throws exception if task does
1553	+	*/
1554	+	public void testAbnormalInvokeAll1Singleton() {
1555	+	RecursiveAction a = new CheckedRecursiveAction() {
1556	+	public void realCompute() {
1557	+	FailingAsyncFib g = new FailingAsyncFib(9);
1558	+	try {
1559	+	invokeAll(g);
1560	+	shouldThrow();
1561	+	} catch (FJException success) {
1562	+	checkCompletedAbnormally(g, success);
1563	+	}
1564	+	}};
1565	+	testInvokeOnPool(singletonPool(), a);
1566	+	}
1567	+
1568	+	/**
1569	+	* invokeAll(tasks) with > 2 argument throws exception if any task does
1570	+	*/
1571	+	public void testAbnormalInvokeAll3Singleton() {
1572	+	RecursiveAction a = new CheckedRecursiveAction() {
1573	+	public void realCompute() {
1574	+	AsyncFib f = new AsyncFib(8);
1575	+	FailingAsyncFib g = new FailingAsyncFib(9);
1576	+	AsyncFib h = new AsyncFib(7);
1577	+	try {
1578	+	invokeAll(f, g, h);
1579	+	shouldThrow();
1580	+	} catch (FJException success) {
1581	+	checkCompletedAbnormally(g, success);
1582	+	}
1583	+	}};
1584	+	testInvokeOnPool(singletonPool(), a);
1585	+	}
1586	+
1587	+	/**
1588	+	* invokeAll(collection)  throws exception if any task does
1589	+	*/
1590	+	public void testAbnormalInvokeAllCollectionSingleton() {
1591	+	RecursiveAction a = new CheckedRecursiveAction() {
1592	+	public void realCompute() {
1593	+	FailingAsyncFib f = new FailingAsyncFib(8);
1594	+	AsyncFib g = new AsyncFib(9);
1595	+	AsyncFib h = new AsyncFib(7);
1596	+	HashSet set = new HashSet();
1597	+	set.add(f);
1598	+	set.add(g);
1599	+	set.add(h);
1600	+	try {
1601	+	invokeAll(set);
1602	+	shouldThrow();
1603	+	} catch (FJException success) {
1604	+	checkCompletedAbnormally(f, success);
1605	+	}
1606	+	}};
1607	+	testInvokeOnPool(singletonPool(), a);
1608	+	}
1609	+
1610		}

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