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

Comparing jsr166/src/test/tck/ForkJoinTaskTest.java (file contents):
Revision 1.21 by jsr166, Sun Oct 24 17:52:23 2010 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;
#	Line 10 | Line 10 | 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.*;
19
#	Line 50 | Line 52 | public class ForkJoinTaskTest extends JS
52		assertFalse(a.isCompletedAbnormally());
53		assertFalse(a.isCancelled());
54		assertNull(a.getException());
55	+	assertNull(a.getRawResult());
56
57		assertNull(pool.invoke(a));
58
#	Line 58 | Line 61 | public class ForkJoinTaskTest extends JS
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		*
#	Line 71 | Line 205 | public class ForkJoinTaskTest extends JS
205		* differently than supplied Recursive forms.
206		*/
207
208	<	static final class FJException extends RuntimeException {
208	>	public static final class FJException extends RuntimeException {
209		FJException() { super(); }
210		}
211
#	Line 215 | Line 349 | public class ForkJoinTaskTest extends JS
349		}
350		}
351
218	–
352		static final class FailingAsyncFib extends BinaryAsyncAction {
353		int number;
354		public FailingAsyncFib(int n) {
#	Line 247 | 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;
383	>	* completed tasks; getRawResult returns null.
384		*/
385		public void testInvoke() {
386		RecursiveAction a = new CheckedRecursiveAction() {
#	Line 255 | Line 388 | public class ForkJoinTaskTest extends JS
388		AsyncFib f = new AsyncFib(8);
389		assertNull(f.invoke());
390		assertEquals(21, f.number);
391	<	assertTrue(f.isDone());
259	<	assertFalse(f.isCancelled());
260	<	assertFalse(f.isCompletedAbnormally());
261	<	assertNull(f.getRawResult());
391	>	checkCompletedNormally(f);
392		}};
393		testInvokeOnPool(mainPool(), a);
394		}
#	Line 274 | Line 404 | public class ForkJoinTaskTest extends JS
404		AsyncFib f = new AsyncFib(8);
405		f.quietlyInvoke();
406		assertEquals(21, f.number);
407	<	assertTrue(f.isDone());
278	<	assertFalse(f.isCancelled());
279	<	assertFalse(f.isCompletedAbnormally());
280	<	assertNull(f.getRawResult());
407	>	checkCompletedNormally(f);
408		}};
409		testInvokeOnPool(mainPool(), a);
410		}
#	Line 292 | Line 419 | public class ForkJoinTaskTest extends JS
419		assertSame(f, f.fork());
420		assertNull(f.join());
421		assertEquals(21, f.number);
422	<	assertTrue(f.isDone());
296	<	assertNull(f.getRawResult());
422	>	checkCompletedNormally(f);
423		}};
424		testInvokeOnPool(mainPool(), a);
425		}
#	Line 308 | Line 434 | public class ForkJoinTaskTest extends JS
434		assertSame(f, f.fork());
435		assertNull(f.get());
436		assertEquals(21, f.number);
437	<	assertTrue(f.isDone());
437	>	checkCompletedNormally(f);
438		}};
439		testInvokeOnPool(mainPool(), a);
440		}
#	Line 323 | Line 449 | public class ForkJoinTaskTest extends JS
449		assertSame(f, f.fork());
450		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
451		assertEquals(21, f.number);
452	<	assertTrue(f.isDone());
452	>	checkCompletedNormally(f);
453		}};
454		testInvokeOnPool(mainPool(), a);
455		}
#	Line 354 | Line 480 | public class ForkJoinTaskTest extends JS
480		assertSame(f, f.fork());
481		f.quietlyJoin();
482		assertEquals(21, f.number);
483	<	assertTrue(f.isDone());
483	>	checkCompletedNormally(f);
484		}};
485		testInvokeOnPool(mainPool(), a);
486		}
487
362	–
488		/**
489		* helpQuiesce returns when tasks are complete.
490		* getQueuedTaskCount returns 0 when quiescent
#	Line 369 | Line 494 | public class ForkJoinTaskTest extends JS
494		public void realCompute() {
495		AsyncFib f = new AsyncFib(8);
496		assertSame(f, f.fork());
497	<	f.helpQuiesce();
497	>	helpQuiesce();
498		assertEquals(21, f.number);
374	–	assertTrue(f.isDone());
499		assertEquals(0, getQueuedTaskCount());
500	+	checkCompletedNormally(f);
501		}};
502		testInvokeOnPool(mainPool(), a);
503		}
504
380	–
505		/**
506		* invoke task throws exception when task completes abnormally
507		*/
#	Line 388 | Line 512 | public class ForkJoinTaskTest extends JS
512		try {
513		f.invoke();
514		shouldThrow();
515	<	} catch (FJException success) {}
515	>	} catch (FJException success) {
516	>	checkCompletedAbnormally(f, success);
517	>	}
518		}};
519		testInvokeOnPool(mainPool(), a);
520		}
#	Line 401 | Line 527 | public class ForkJoinTaskTest extends JS
527		public void realCompute() {
528		FailingAsyncFib f = new FailingAsyncFib(8);
529		f.quietlyInvoke();
530	<	assertTrue(f.isDone());
530	>	assertTrue(f.getException() instanceof FJException);
531	>	checkCompletedAbnormally(f, f.getException());
532		}};
533		testInvokeOnPool(mainPool(), a);
534		}
#	Line 417 | Line 544 | public class ForkJoinTaskTest extends JS
544		try {
545		f.join();
546		shouldThrow();
547	<	} catch (FJException success) {}
547	>	} catch (FJException success) {
548	>	checkCompletedAbnormally(f, success);
549	>	}
550		}};
551		testInvokeOnPool(mainPool(), a);
552		}
#	Line 436 | Line 565 | public class ForkJoinTaskTest extends JS
565		} catch (ExecutionException success) {
566		Throwable cause = success.getCause();
567		assertTrue(cause instanceof FJException);
568	<	assertTrue(f.isDone());
440	<	assertTrue(f.isCompletedAbnormally());
441	<	assertSame(cause, f.getException());
568	>	checkCompletedAbnormally(f, cause);
569		}
570		}};
571		testInvokeOnPool(mainPool(), a);
#	Line 458 | Line 585 | public class ForkJoinTaskTest extends JS
585		} catch (ExecutionException success) {
586		Throwable cause = success.getCause();
587		assertTrue(cause instanceof FJException);
588	<	assertTrue(f.isDone());
462	<	assertTrue(f.isCompletedAbnormally());
463	<	assertSame(cause, f.getException());
588	>	checkCompletedAbnormally(f, cause);
589		}
590		}};
591		testInvokeOnPool(mainPool(), a);
#	Line 475 | Line 600 | public class ForkJoinTaskTest extends JS
600		FailingAsyncFib f = new FailingAsyncFib(8);
601		assertSame(f, f.fork());
602		f.quietlyJoin();
478	–	assertTrue(f.isDone());
479	–	assertTrue(f.isCompletedAbnormally());
603		assertTrue(f.getException() instanceof FJException);
604	+	checkCompletedAbnormally(f, f.getException());
605		}};
606		testInvokeOnPool(mainPool(), a);
607		}
#	Line 494 | Line 618 | public class ForkJoinTaskTest extends JS
618		f.invoke();
619		shouldThrow();
620		} catch (CancellationException success) {
621	<	assertTrue(f.isDone());
498	<	assertTrue(f.isCancelled());
499	<	assertTrue(f.isCompletedAbnormally());
500	<	assertTrue(f.getException() instanceof CancellationException);
621	>	checkCancelled(f);
622		}
623		}};
624		testInvokeOnPool(mainPool(), a);
#	Line 516 | Line 637 | public class ForkJoinTaskTest extends JS
637		f.join();
638		shouldThrow();
639		} catch (CancellationException success) {
640	<	assertTrue(f.isDone());
520	<	assertTrue(f.isCancelled());
521	<	assertTrue(f.isCompletedAbnormally());
522	<	assertTrue(f.getException() instanceof CancellationException);
640	>	checkCancelled(f);
641		}
642		}};
643		testInvokeOnPool(mainPool(), a);
#	Line 538 | Line 656 | public class ForkJoinTaskTest extends JS
656		f.get();
657		shouldThrow();
658		} catch (CancellationException success) {
659	<	assertTrue(f.isDone());
542	<	assertTrue(f.isCancelled());
543	<	assertTrue(f.isCompletedAbnormally());
544	<	assertTrue(f.getException() instanceof CancellationException);
659	>	checkCancelled(f);
660		}
661		}};
662		testInvokeOnPool(mainPool(), a);
#	Line 560 | Line 675 | public class ForkJoinTaskTest extends JS
675		f.get(LONG_DELAY_MS, MILLISECONDS);
676		shouldThrow();
677		} catch (CancellationException success) {
678	<	assertTrue(f.isDone());
564	<	assertTrue(f.isCancelled());
565	<	assertTrue(f.isCompletedAbnormally());
566	<	assertTrue(f.getException() instanceof CancellationException);
678	>	checkCancelled(f);
679		}
680		}};
681		testInvokeOnPool(mainPool(), a);
#	Line 579 | Line 691 | public class ForkJoinTaskTest extends JS
691		assertTrue(f.cancel(true));
692		assertSame(f, f.fork());
693		f.quietlyJoin();
694	<	assertTrue(f.isDone());
583	<	assertTrue(f.isCompletedAbnormally());
584	<	assertTrue(f.isCancelled());
585	<	assertTrue(f.getException() instanceof CancellationException);
694	>	checkCancelled(f);
695		}};
696		testInvokeOnPool(mainPool(), a);
697		}
#	Line 627 | Line 736 | public class ForkJoinTaskTest extends JS
736		public void testInForkJoinPool2() {
737		RecursiveAction a = new CheckedRecursiveAction() {
738		public void realCompute() {
739	<	assertTrue(!inForkJoinPool());
739	>	assertFalse(inForkJoinPool());
740		}};
741		assertNull(a.invoke());
742		}
#	Line 639 | Line 748 | public class ForkJoinTaskTest extends JS
748		RecursiveAction a = new CheckedRecursiveAction() {
749		public void realCompute() {
750		setRawResult(null);
751	+	assertNull(getRawResult());
752		}};
753		assertNull(a.invoke());
754		}
#	Line 654 | Line 764 | public class ForkJoinTaskTest extends JS
764		try {
765		f.invoke();
766		shouldThrow();
767	<	} catch (FJException success) {}
767	>	} catch (FJException success) {
768	>	checkCompletedAbnormally(f, success);
769	>	}
770		}};
771		testInvokeOnPool(mainPool(), a);
772		}
#	Line 668 | Line 780 | public class ForkJoinTaskTest extends JS
780		AsyncFib f = new AsyncFib(8);
781		AsyncFib g = new AsyncFib(9);
782		invokeAll(f, g);
671	–	assertTrue(f.isDone());
783		assertEquals(21, f.number);
673	–	assertTrue(g.isDone());
784		assertEquals(34, g.number);
785	+	checkCompletedNormally(f);
786	+	checkCompletedNormally(g);
787		}};
788		testInvokeOnPool(mainPool(), a);
789		}
#	Line 684 | Line 796 | public class ForkJoinTaskTest extends JS
796		public void realCompute() {
797		AsyncFib f = new AsyncFib(8);
798		invokeAll(f);
799	<	assertTrue(f.isDone());
799	>	checkCompletedNormally(f);
800		assertEquals(21, f.number);
801		}};
802		testInvokeOnPool(mainPool(), a);
#	Line 700 | Line 812 | public class ForkJoinTaskTest extends JS
812		AsyncFib g = new AsyncFib(9);
813		AsyncFib h = new AsyncFib(7);
814		invokeAll(f, g, h);
703	–	assertTrue(f.isDone());
815		assertEquals(21, f.number);
705	–	assertTrue(g.isDone());
816		assertEquals(34, g.number);
707	–	assertTrue(h.isDone());
817		assertEquals(13, h.number);
818	+	checkCompletedNormally(f);
819	+	checkCompletedNormally(g);
820	+	checkCompletedNormally(h);
821		}};
822		testInvokeOnPool(mainPool(), a);
823		}
#	Line 724 | Line 836 | public class ForkJoinTaskTest extends JS
836		set.add(g);
837		set.add(h);
838		invokeAll(set);
727	–	assertTrue(f.isDone());
839		assertEquals(21, f.number);
729	–	assertTrue(g.isDone());
840		assertEquals(34, g.number);
731	–	assertTrue(h.isDone());
841		assertEquals(13, h.number);
842	+	checkCompletedNormally(f);
843	+	checkCompletedNormally(g);
844	+	checkCompletedNormally(h);
845		}};
846		testInvokeOnPool(mainPool(), a);
847		}
848
737	–
849		/**
850		* invokeAll(tasks) with any null task throws NPE
851		*/
#	Line 763 | Line 874 | public class ForkJoinTaskTest extends JS
874		try {
875		invokeAll(f, g);
876		shouldThrow();
877	<	} catch (FJException success) {}
877	>	} catch (FJException success) {
878	>	checkCompletedAbnormally(g, success);
879	>	}
880		}};
881		testInvokeOnPool(mainPool(), a);
882		}
#	Line 778 | Line 891 | public class ForkJoinTaskTest extends JS
891		try {
892		invokeAll(g);
893		shouldThrow();
894	<	} catch (FJException success) {}
894	>	} catch (FJException success) {
895	>	checkCompletedAbnormally(g, success);
896	>	}
897		}};
898		testInvokeOnPool(mainPool(), a);
899		}
#	Line 795 | Line 910 | public class ForkJoinTaskTest extends JS
910		try {
911		invokeAll(f, g, h);
912		shouldThrow();
913	<	} catch (FJException success) {}
913	>	} catch (FJException success) {
914	>	checkCompletedAbnormally(g, success);
915	>	}
916		}};
917		testInvokeOnPool(mainPool(), a);
918		}
#	Line 816 | Line 933 | public class ForkJoinTaskTest extends JS
933		try {
934		invokeAll(set);
935		shouldThrow();
936	<	} catch (FJException success) {}
936	>	} catch (FJException success) {
937	>	checkCompletedAbnormally(f, success);
938	>	}
939		}};
940		testInvokeOnPool(mainPool(), a);
941		}
#	Line 834 | Line 953 | public class ForkJoinTaskTest extends JS
953		assertSame(f, f.fork());
954		assertTrue(f.tryUnfork());
955		helpQuiesce();
956	<	assertFalse(f.isDone());
957	<	assertTrue(g.isDone());
956	>	checkNotDone(f);
957	>	checkCompletedNormally(g);
958		}};
959		testInvokeOnPool(singletonPool(), a);
960		}
#	Line 855 | Line 974 | public class ForkJoinTaskTest extends JS
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		}
#	Line 871 | Line 994 | public class ForkJoinTaskTest extends JS
994		assertSame(f, f.fork());
995		assertSame(f, peekNextLocalTask());
996		assertNull(f.join());
997	<	assertTrue(f.isDone());
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 CheckedRecursiveAction() {
#	Line 890 | Line 1014 | public class ForkJoinTaskTest extends JS
1014		assertSame(f, f.fork());
1015		assertSame(f, pollNextLocalTask());
1016		helpQuiesce();
1017	<	assertFalse(f.isDone());
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
900	<	* without executing it
1025	>	* pollTask returns an unexecuted task without executing it
1026		*/
1027		public void testPollTask() {
1028		RecursiveAction a = new CheckedRecursiveAction() {
#	Line 908 | Line 1033 | public class ForkJoinTaskTest extends JS
1033		assertSame(f, f.fork());
1034		assertSame(f, pollTask());
1035		helpQuiesce();
1036	<	assertFalse(f.isDone());
1037	<	assertTrue(g.isDone());
1036	>	checkNotDone(f);
1037	>	checkCompletedNormally(g);
1038		}};
1039		testInvokeOnPool(singletonPool(), a);
1040		}
#	Line 927 | Line 1052 | public class ForkJoinTaskTest extends JS
1052		assertSame(g, peekNextLocalTask());
1053		assertNull(f.join());
1054		helpQuiesce();
1055	<	assertTrue(f.isDone());
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
1064	<	* without executing it, in async mode
1063	>	* pollNextLocalTask returns least recent unexecuted task without
1064	>	* executing it, in async mode
1065		*/
1066		public void testPollNextLocalTaskAsync() {
1067		RecursiveAction a = new CheckedRecursiveAction() {
#	Line 945 | Line 1072 | public class ForkJoinTaskTest extends JS
1072		assertSame(f, f.fork());
1073		assertSame(g, pollNextLocalTask());
1074		helpQuiesce();
1075	<	assertTrue(f.isDone());
1076	<	assertFalse(g.isDone());
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
1084	<	* without executing it, in async mode
1083	>	* pollTask returns an unexecuted task without executing it, in
1084	>	* async mode
1085		*/
1086		public void testPollTaskAsync() {
1087		RecursiveAction a = new CheckedRecursiveAction() {
#	Line 964 | Line 1092 | public class ForkJoinTaskTest extends JS
1092		assertSame(f, f.fork());
1093		assertSame(g, pollTask());
1094		helpQuiesce();
1095	<	assertTrue(f.isDone());
1096	<	assertFalse(g.isDone());
1095	>	assertEquals(21, f.number);
1096	>	checkCompletedNormally(f);
1097	>	checkNotDone(g);
1098		}};
1099		testInvokeOnPool(asyncSingletonPool(), a);
1100		}
#	Line 975 | Line 1104 | public class ForkJoinTaskTest extends JS
1104		/**
1105		* invoke returns when task completes normally.
1106		* isCompletedAbnormally and isCancelled return false for normally
1107	<	* completed tasks. getRawResult of a RecursiveAction returns null;
1107	>	* completed tasks; getRawResult returns null.
1108		*/
1109		public void testInvokeSingleton() {
1110		RecursiveAction a = new CheckedRecursiveAction() {
#	Line 983 | Line 1112 | public class ForkJoinTaskTest extends JS
1112		AsyncFib f = new AsyncFib(8);
1113		assertNull(f.invoke());
1114		assertEquals(21, f.number);
1115	<	assertTrue(f.isDone());
987	<	assertFalse(f.isCancelled());
988	<	assertFalse(f.isCompletedAbnormally());
989	<	assertNull(f.getRawResult());
1115	>	checkCompletedNormally(f);
1116		}};
1117		testInvokeOnPool(singletonPool(), a);
1118		}
#	Line 1002 | Line 1128 | public class ForkJoinTaskTest extends JS
1128		AsyncFib f = new AsyncFib(8);
1129		f.quietlyInvoke();
1130		assertEquals(21, f.number);
1131	<	assertTrue(f.isDone());
1006	<	assertFalse(f.isCancelled());
1007	<	assertFalse(f.isCompletedAbnormally());
1008	<	assertNull(f.getRawResult());
1131	>	checkCompletedNormally(f);
1132		}};
1133		testInvokeOnPool(singletonPool(), a);
1134		}
#	Line 1020 | Line 1143 | public class ForkJoinTaskTest extends JS
1143		assertSame(f, f.fork());
1144		assertNull(f.join());
1145		assertEquals(21, f.number);
1146	<	assertTrue(f.isDone());
1024	<	assertNull(f.getRawResult());
1146	>	checkCompletedNormally(f);
1147		}};
1148		testInvokeOnPool(singletonPool(), a);
1149		}
#	Line 1036 | Line 1158 | public class ForkJoinTaskTest extends JS
1158		assertSame(f, f.fork());
1159		assertNull(f.get());
1160		assertEquals(21, f.number);
1161	<	assertTrue(f.isDone());
1161	>	checkCompletedNormally(f);
1162		}};
1163		testInvokeOnPool(singletonPool(), a);
1164		}
#	Line 1051 | Line 1173 | public class ForkJoinTaskTest extends JS
1173		assertSame(f, f.fork());
1174		assertNull(f.get(LONG_DELAY_MS, MILLISECONDS));
1175		assertEquals(21, f.number);
1176	<	assertTrue(f.isDone());
1176	>	checkCompletedNormally(f);
1177		}};
1178		testInvokeOnPool(singletonPool(), a);
1179		}
#	Line 1082 | Line 1204 | public class ForkJoinTaskTest extends JS
1204		assertSame(f, f.fork());
1205		f.quietlyJoin();
1206		assertEquals(21, f.number);
1207	<	assertTrue(f.isDone());
1207	>	checkCompletedNormally(f);
1208		}};
1209		testInvokeOnPool(singletonPool(), a);
1210		}
1211
1090	–
1212		/**
1213		* helpQuiesce returns when tasks are complete.
1214		* getQueuedTaskCount returns 0 when quiescent
#	Line 1097 | Line 1218 | public class ForkJoinTaskTest extends JS
1218		public void realCompute() {
1219		AsyncFib f = new AsyncFib(8);
1220		assertSame(f, f.fork());
1221	<	f.helpQuiesce();
1101	<	assertEquals(21, f.number);
1102	<	assertTrue(f.isDone());
1221	>	helpQuiesce();
1222		assertEquals(0, getQueuedTaskCount());
1223	+	assertEquals(21, f.number);
1224	+	checkCompletedNormally(f);
1225		}};
1226		testInvokeOnPool(singletonPool(), a);
1227		}
1228
1108	–
1229		/**
1230		* invoke task throws exception when task completes abnormally
1231		*/
#	Line 1116 | Line 1236 | public class ForkJoinTaskTest extends JS
1236		try {
1237		f.invoke();
1238		shouldThrow();
1239	<	} catch (FJException success) {}
1239	>	} catch (FJException success) {
1240	>	checkCompletedAbnormally(f, success);
1241	>	}
1242		}};
1243		testInvokeOnPool(singletonPool(), a);
1244		}
#	Line 1129 | Line 1251 | public class ForkJoinTaskTest extends JS
1251		public void realCompute() {
1252		FailingAsyncFib f = new FailingAsyncFib(8);
1253		f.quietlyInvoke();
1254	<	assertTrue(f.isDone());
1254	>	assertTrue(f.getException() instanceof FJException);
1255	>	checkCompletedAbnormally(f, f.getException());
1256		}};
1257		testInvokeOnPool(singletonPool(), a);
1258		}
#	Line 1145 | Line 1268 | public class ForkJoinTaskTest extends JS
1268		try {
1269		f.join();
1270		shouldThrow();
1271	<	} catch (FJException success) {}
1271	>	} catch (FJException success) {
1272	>	checkCompletedAbnormally(f, success);
1273	>	}
1274		}};
1275		testInvokeOnPool(singletonPool(), a);
1276		}
#	Line 1164 | Line 1289 | public class ForkJoinTaskTest extends JS
1289		} catch (ExecutionException success) {
1290		Throwable cause = success.getCause();
1291		assertTrue(cause instanceof FJException);
1292	<	assertTrue(f.isDone());
1168	<	assertTrue(f.isCompletedAbnormally());
1169	<	assertSame(cause, f.getException());
1292	>	checkCompletedAbnormally(f, cause);
1293		}
1294		}};
1295		testInvokeOnPool(singletonPool(), a);
#	Line 1186 | Line 1309 | public class ForkJoinTaskTest extends JS
1309		} catch (ExecutionException success) {
1310		Throwable cause = success.getCause();
1311		assertTrue(cause instanceof FJException);
1312	<	assertTrue(f.isDone());
1190	<	assertTrue(f.isCompletedAbnormally());
1191	<	assertSame(cause, f.getException());
1312	>	checkCompletedAbnormally(f, cause);
1313		}
1314		}};
1315		testInvokeOnPool(singletonPool(), a);
#	Line 1203 | Line 1324 | public class ForkJoinTaskTest extends JS
1324		FailingAsyncFib f = new FailingAsyncFib(8);
1325		assertSame(f, f.fork());
1326		f.quietlyJoin();
1206	–	assertTrue(f.isDone());
1207	–	assertTrue(f.isCompletedAbnormally());
1327		assertTrue(f.getException() instanceof FJException);
1328	+	checkCompletedAbnormally(f, f.getException());
1329		}};
1330		testInvokeOnPool(singletonPool(), a);
1331		}
#	Line 1222 | Line 1342 | public class ForkJoinTaskTest extends JS
1342		f.invoke();
1343		shouldThrow();
1344		} catch (CancellationException success) {
1345	<	assertTrue(f.isDone());
1226	<	assertTrue(f.isCancelled());
1227	<	assertTrue(f.isCompletedAbnormally());
1228	<	assertTrue(f.getException() instanceof CancellationException);
1345	>	checkCancelled(f);
1346		}
1347		}};
1348		testInvokeOnPool(singletonPool(), a);
#	Line 1244 | Line 1361 | public class ForkJoinTaskTest extends JS
1361		f.join();
1362		shouldThrow();
1363		} catch (CancellationException success) {
1364	<	assertTrue(f.isDone());
1248	<	assertTrue(f.isCancelled());
1249	<	assertTrue(f.isCompletedAbnormally());
1250	<	assertTrue(f.getException() instanceof CancellationException);
1364	>	checkCancelled(f);
1365		}
1366		}};
1367		testInvokeOnPool(singletonPool(), a);
#	Line 1266 | Line 1380 | public class ForkJoinTaskTest extends JS
1380		f.get();
1381		shouldThrow();
1382		} catch (CancellationException success) {
1383	<	assertTrue(f.isDone());
1270	<	assertTrue(f.isCancelled());
1271	<	assertTrue(f.isCompletedAbnormally());
1272	<	assertTrue(f.getException() instanceof CancellationException);
1383	>	checkCancelled(f);
1384		}
1385		}};
1386		testInvokeOnPool(singletonPool(), a);
#	Line 1288 | Line 1399 | public class ForkJoinTaskTest extends JS
1399		f.get(LONG_DELAY_MS, MILLISECONDS);
1400		shouldThrow();
1401		} catch (CancellationException success) {
1402	<	assertTrue(f.isDone());
1292	<	assertTrue(f.isCancelled());
1293	<	assertTrue(f.isCompletedAbnormally());
1294	<	assertTrue(f.getException() instanceof CancellationException);
1402	>	checkCancelled(f);
1403		}
1404		}};
1405		testInvokeOnPool(singletonPool(), a);
#	Line 1307 | Line 1415 | public class ForkJoinTaskTest extends JS
1415		assertTrue(f.cancel(true));
1416		assertSame(f, f.fork());
1417		f.quietlyJoin();
1418	<	assertTrue(f.isDone());
1311	<	assertTrue(f.isCompletedAbnormally());
1312	<	assertTrue(f.isCancelled());
1313	<	assertTrue(f.getException() instanceof CancellationException);
1418	>	checkCancelled(f);
1419		}};
1420		testInvokeOnPool(singletonPool(), a);
1421		}
#	Line 1326 | Line 1431 | public class ForkJoinTaskTest extends JS
1431		try {
1432		f.invoke();
1433		shouldThrow();
1434	<	} catch (FJException success) {}
1434	>	} catch (FJException success) {
1435	>	checkCompletedAbnormally(f, success);
1436	>	}
1437		}};
1438		testInvokeOnPool(singletonPool(), a);
1439		}
#	Line 1340 | Line 1447 | public class ForkJoinTaskTest extends JS
1447		AsyncFib f = new AsyncFib(8);
1448		AsyncFib g = new AsyncFib(9);
1449		invokeAll(f, g);
1343	–	assertTrue(f.isDone());
1450		assertEquals(21, f.number);
1345	–	assertTrue(g.isDone());
1451		assertEquals(34, g.number);
1452	+	checkCompletedNormally(f);
1453	+	checkCompletedNormally(g);
1454		}};
1455		testInvokeOnPool(singletonPool(), a);
1456		}
#	Line 1356 | Line 1463 | public class ForkJoinTaskTest extends JS
1463		public void realCompute() {
1464		AsyncFib f = new AsyncFib(8);
1465		invokeAll(f);
1466	<	assertTrue(f.isDone());
1466	>	checkCompletedNormally(f);
1467		assertEquals(21, f.number);
1468		}};
1469		testInvokeOnPool(singletonPool(), a);
#	Line 1372 | Line 1479 | public class ForkJoinTaskTest extends JS
1479		AsyncFib g = new AsyncFib(9);
1480		AsyncFib h = new AsyncFib(7);
1481		invokeAll(f, g, h);
1375	–	assertTrue(f.isDone());
1482		assertEquals(21, f.number);
1377	–	assertTrue(g.isDone());
1483		assertEquals(34, g.number);
1379	–	assertTrue(h.isDone());
1484		assertEquals(13, h.number);
1485	+	checkCompletedNormally(f);
1486	+	checkCompletedNormally(g);
1487	+	checkCompletedNormally(h);
1488		}};
1489		testInvokeOnPool(singletonPool(), a);
1490		}
#	Line 1396 | Line 1503 | public class ForkJoinTaskTest extends JS
1503		set.add(g);
1504		set.add(h);
1505		invokeAll(set);
1399	–	assertTrue(f.isDone());
1506		assertEquals(21, f.number);
1401	–	assertTrue(g.isDone());
1507		assertEquals(34, g.number);
1403	–	assertTrue(h.isDone());
1508		assertEquals(13, h.number);
1509	+	checkCompletedNormally(f);
1510	+	checkCompletedNormally(g);
1511	+	checkCompletedNormally(h);
1512		}};
1513		testInvokeOnPool(singletonPool(), a);
1514		}
1515
1409	–
1516		/**
1517		* invokeAll(tasks) with any null task throws NPE
1518		*/
#	Line 1435 | Line 1541 | public class ForkJoinTaskTest extends JS
1541		try {
1542		invokeAll(f, g);
1543		shouldThrow();
1544	<	} catch (FJException success) {}
1544	>	} catch (FJException success) {
1545	>	checkCompletedAbnormally(g, success);
1546	>	}
1547		}};
1548		testInvokeOnPool(singletonPool(), a);
1549		}
#	Line 1450 | Line 1558 | public class ForkJoinTaskTest extends JS
1558		try {
1559		invokeAll(g);
1560		shouldThrow();
1561	<	} catch (FJException success) {}
1561	>	} catch (FJException success) {
1562	>	checkCompletedAbnormally(g, success);
1563	>	}
1564		}};
1565		testInvokeOnPool(singletonPool(), a);
1566		}
#	Line 1467 | Line 1577 | public class ForkJoinTaskTest extends JS
1577		try {
1578		invokeAll(f, g, h);
1579		shouldThrow();
1580	<	} catch (FJException success) {}
1580	>	} catch (FJException success) {
1581	>	checkCompletedAbnormally(g, success);
1582	>	}
1583		}};
1584		testInvokeOnPool(singletonPool(), a);
1585		}
#	Line 1488 | Line 1600 | public class ForkJoinTaskTest extends JS
1600		try {
1601		invokeAll(set);
1602		shouldThrow();
1603	<	} catch (FJException success) {}
1603	>	} catch (FJException success) {
1604	>	checkCompletedAbnormally(f, success);
1605	>	}
1606		}};
1607		testInvokeOnPool(singletonPool(), a);
1608		}

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