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

Comparing jsr166/src/test/tck/RecursiveActionTest.java (file contents):
Revision 1.9 by jsr166, Sat Nov 21 02:07:27 2009 UTC vs.
Revision 1.31 by jsr166, Fri May 27 19:13:51 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 junit.framework.*;
7	–	import java.util.concurrent.*;
8	–	import java.util.*;
6
7	+	import junit.framework.*;
8	+	import java.util.concurrent.CancellationException;
9	+	import java.util.concurrent.SynchronousQueue;
10	+	import java.util.concurrent.ExecutionException;
11	+	import java.util.concurrent.ForkJoinPool;
12	+	import java.util.concurrent.ForkJoinTask;
13	+	import java.util.concurrent.ForkJoinWorkerThread;
14	+	import java.util.concurrent.RecursiveAction;
15	+	import java.util.concurrent.TimeUnit;
16	+	import java.util.concurrent.TimeoutException;
17	+	import static java.util.concurrent.TimeUnit.SECONDS;
18	+	import java.util.HashSet;
19
20		public class RecursiveActionTest 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(RecursiveActionTest.class);
28		}
29
30	<	static final ForkJoinPool mainPool = new ForkJoinPool();
31	<	static final ForkJoinPool singletonPool = new ForkJoinPool(1);
32	<	static final ForkJoinPool asyncSingletonPool = new ForkJoinPool(1);
33	<	static {
34	<	asyncSingletonPool.setAsyncMode(true);
30	>	private static ForkJoinPool mainPool() {
31	>	return new ForkJoinPool();
32	>	}
33	>
34	>	private static ForkJoinPool singletonPool() {
35	>	return new ForkJoinPool(1);
36	>	}
37	>
38	>	private static ForkJoinPool asyncSingletonPool() {
39	>	return new ForkJoinPool(1,
40	>	ForkJoinPool.defaultForkJoinWorkerThreadFactory,
41	>	null, true);
42	>	}
43	>
44	>	private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) {
45	>	try {
46	>	checkNotDone(a);
47	>
48	>	assertNull(pool.invoke(a));
49	>
50	>	checkCompletedNormally(a);
51	>	} finally {
52	>	joinPool(pool);
53	>	}
54		}
55
56	<	static final class FJException extends RuntimeException {
57	<	FJException() { super(); }
56	>	void checkNotDone(RecursiveAction a) {
57	>	assertFalse(a.isDone());
58	>	assertFalse(a.isCompletedNormally());
59	>	assertFalse(a.isCompletedAbnormally());
60	>	assertFalse(a.isCancelled());
61	>	assertNull(a.getException());
62	>	assertNull(a.getRawResult());
63	>
64	>	if (! ForkJoinTask.inForkJoinPool()) {
65	>	Thread.currentThread().interrupt();
66	>	try {
67	>	a.get();
68	>	shouldThrow();
69	>	} catch (InterruptedException success) {
70	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
71	>
72	>	Thread.currentThread().interrupt();
73	>	try {
74	>	a.get(5L, SECONDS);
75	>	shouldThrow();
76	>	} catch (InterruptedException success) {
77	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
78	>	}
79	>
80	>	try {
81	>	a.get(0L, SECONDS);
82	>	shouldThrow();
83	>	} catch (TimeoutException success) {
84	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
85	>	}
86	>
87	>	void checkCompletedNormally(RecursiveAction a) {
88	>	assertTrue(a.isDone());
89	>	assertFalse(a.isCancelled());
90	>	assertTrue(a.isCompletedNormally());
91	>	assertFalse(a.isCompletedAbnormally());
92	>	assertNull(a.getException());
93	>	assertNull(a.getRawResult());
94	>	assertNull(a.join());
95	>	assertFalse(a.cancel(false));
96	>	assertFalse(a.cancel(true));
97	>	try {
98	>	assertNull(a.get());
99	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
100	>	try {
101	>	assertNull(a.get(5L, SECONDS));
102	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
103	>	}
104	>
105	>	void checkCancelled(RecursiveAction a) {
106	>	assertTrue(a.isDone());
107	>	assertTrue(a.isCancelled());
108	>	assertFalse(a.isCompletedNormally());
109	>	assertTrue(a.isCompletedAbnormally());
110	>	assertTrue(a.getException() instanceof CancellationException);
111	>	assertNull(a.getRawResult());
112	>
113	>	try {
114	>	a.join();
115	>	shouldThrow();
116	>	} catch (CancellationException success) {
117	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
118	>
119	>	try {
120	>	a.get();
121	>	shouldThrow();
122	>	} catch (CancellationException success) {
123	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
124	>
125	>	try {
126	>	a.get(5L, SECONDS);
127	>	shouldThrow();
128	>	} catch (CancellationException success) {
129	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
130	>	}
131	>
132	>	void checkCompletedAbnormally(RecursiveAction a, Throwable t) {
133	>	assertTrue(a.isDone());
134	>	assertFalse(a.isCancelled());
135	>	assertFalse(a.isCompletedNormally());
136	>	assertTrue(a.isCompletedAbnormally());
137	>	assertSame(t.getClass(), a.getException().getClass());
138	>	assertNull(a.getRawResult());
139	>	assertFalse(a.cancel(false));
140	>	assertFalse(a.cancel(true));
141	>
142	>	try {
143	>	a.join();
144	>	shouldThrow();
145	>	} catch (Throwable expected) {
146	>	assertSame(expected.getClass(), t.getClass());
147	>	}
148	>
149	>	try {
150	>	a.get();
151	>	shouldThrow();
152	>	} catch (ExecutionException success) {
153	>	assertSame(t.getClass(), success.getCause().getClass());
154	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
155	>
156	>	try {
157	>	a.get(5L, SECONDS);
158	>	shouldThrow();
159	>	} catch (ExecutionException success) {
160	>	assertSame(t.getClass(), success.getCause().getClass());
161	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
162	>	}
163	>
164	>	public static final class FJException extends RuntimeException {
165	>	public FJException() { super(); }
166	>	public FJException(Throwable cause) { super(cause); }
167		}
168
169		// A simple recursive action for testing
170	<	static final class FibAction extends RecursiveAction {
170	>	final class FibAction extends CheckedRecursiveAction {
171		final int number;
172		int result;
173		FibAction(int n) { number = n; }
174	<	public void compute() {
174	>	public void realCompute() {
175		int n = number;
176		if (n <= 1)
177		result = n;
#	Line 68 | Line 206 | public class RecursiveActionTest extends
206		* invoke returns when task completes normally.
207		* isCompletedAbnormally and isCancelled return false for normally
208		* completed tasks. getRawResult of a RecursiveAction returns null;
71	–	*
209		*/
210		public void testInvoke() {
211	<	RecursiveAction a = new RecursiveAction() {
212	<	public void compute() {
211	>	RecursiveAction a = new CheckedRecursiveAction() {
212	>	public void realCompute() {
213		FibAction f = new FibAction(8);
214	<	f.invoke();
215	<	threadAssertTrue(f.result == 21);
216	<	threadAssertTrue(f.isDone());
80	<	threadAssertFalse(f.isCancelled());
81	<	threadAssertFalse(f.isCompletedAbnormally());
82	<	threadAssertTrue(f.getRawResult() == null);
214	>	assertNull(f.invoke());
215	>	assertEquals(21, f.result);
216	>	checkCompletedNormally(f);
217		}};
218	<	mainPool.invoke(a);
218	>	testInvokeOnPool(mainPool(), a);
219		}
220
221		/**
#	Line 90 | Line 224 | public class RecursiveActionTest extends
224		* completed tasks
225		*/
226		public void testQuietlyInvoke() {
227	<	RecursiveAction a = new RecursiveAction() {
228	<	public void compute() {
227	>	RecursiveAction a = new CheckedRecursiveAction() {
228	>	public void realCompute() {
229		FibAction f = new FibAction(8);
230		f.quietlyInvoke();
231	<	threadAssertTrue(f.result == 21);
232	<	threadAssertTrue(f.isDone());
99	<	threadAssertFalse(f.isCancelled());
100	<	threadAssertFalse(f.isCompletedAbnormally());
101	<	threadAssertTrue(f.getRawResult() == null);
231	>	assertEquals(21, f.result);
232	>	checkCompletedNormally(f);
233		}};
234	<	mainPool.invoke(a);
234	>	testInvokeOnPool(mainPool(), a);
235		}
236
237		/**
238		* join of a forked task returns when task completes
239		*/
240		public void testForkJoin() {
241	<	RecursiveAction a = new RecursiveAction() {
242	<	public void compute() {
241	>	RecursiveAction a = new CheckedRecursiveAction() {
242	>	public void realCompute() {
243		FibAction f = new FibAction(8);
244	<	f.fork();
245	<	f.join();
246	<	threadAssertTrue(f.result == 21);
247	<	threadAssertTrue(f.isDone());
117	<	threadAssertTrue(f.getRawResult() == null);
244	>	assertSame(f, f.fork());
245	>	assertNull(f.join());
246	>	assertEquals(21, f.result);
247	>	checkCompletedNormally(f);
248		}};
249	<	mainPool.invoke(a);
249	>	testInvokeOnPool(mainPool(), a);
250		}
251
252		/**
253	<	* get of a forked task returns when task completes
253	>	* join/quietlyJoin of a forked task succeeds in the presence of interrupts
254		*/
255	<	public void testForkGet() {
256	<	RecursiveAction a = new RecursiveAction() {
257	<	public void compute() {
255	>	public void testJoinIgnoresInterrupts() {
256	>	RecursiveAction a = new CheckedRecursiveAction() {
257	>	public void realCompute() {
258	>	FibAction f = new FibAction(8);
259	>	final Thread myself = Thread.currentThread();
260	>
261	>	// test join()
262	>	assertSame(f, f.fork());
263	>	myself.interrupt();
264	>	assertTrue(myself.isInterrupted());
265	>	assertNull(f.join());
266	>	Thread.interrupted();
267	>	assertEquals(21, f.result);
268	>	checkCompletedNormally(f);
269	>
270	>	f.reinitialize();
271	>	f.cancel(true);
272	>	assertSame(f, f.fork());
273	>	myself.interrupt();
274	>	assertTrue(myself.isInterrupted());
275		try {
276	<	FibAction f = new FibAction(8);
277	<	f.fork();
278	<	f.get();
279	<	threadAssertTrue(f.result == 21);
280	<	threadAssertTrue(f.isDone());
134	<	} catch (Exception ex) {
135	<	unexpectedException(ex);
276	>	f.join();
277	>	shouldThrow();
278	>	} catch (CancellationException success) {
279	>	Thread.interrupted();
280	>	checkCancelled(f);
281		}
137	–	}};
138	–	mainPool.invoke(a);
139	–	}
282
283	<	/**
284	<	* timed get of a forked task returns when task completes
285	<	*/
286	<	public void testForkTimedGet() {
287	<	RecursiveAction a = new RecursiveAction() {
146	<	public void compute() {
283	>	f.reinitialize();
284	>	f.completeExceptionally(new FJException());
285	>	assertSame(f, f.fork());
286	>	myself.interrupt();
287	>	assertTrue(myself.isInterrupted());
288		try {
289	<	FibAction f = new FibAction(8);
290	<	f.fork();
291	<	f.get(5L, TimeUnit.SECONDS);
292	<	threadAssertTrue(f.result == 21);
293	<	threadAssertTrue(f.isDone());
153	<	} catch (Exception ex) {
154	<	unexpectedException(ex);
289	>	f.join();
290	>	shouldThrow();
291	>	} catch (FJException success) {
292	>	Thread.interrupted();
293	>	checkCompletedAbnormally(f, success);
294		}
295	+
296	+	// test quietlyJoin()
297	+	f.reinitialize();
298	+	assertSame(f, f.fork());
299	+	myself.interrupt();
300	+	assertTrue(myself.isInterrupted());
301	+	f.quietlyJoin();
302	+	Thread.interrupted();
303	+	assertEquals(21, f.result);
304	+	checkCompletedNormally(f);
305	+
306	+	f.reinitialize();
307	+	f.cancel(true);
308	+	assertSame(f, f.fork());
309	+	myself.interrupt();
310	+	assertTrue(myself.isInterrupted());
311	+	f.quietlyJoin();
312	+	Thread.interrupted();
313	+	checkCancelled(f);
314	+
315	+	f.reinitialize();
316	+	f.completeExceptionally(new FJException());
317	+	assertSame(f, f.fork());
318	+	myself.interrupt();
319	+	assertTrue(myself.isInterrupted());
320	+	f.quietlyJoin();
321	+	Thread.interrupted();
322	+	checkCompletedAbnormally(f, f.getException());
323		}};
324	<	mainPool.invoke(a);
324	>	testInvokeOnPool(mainPool(), a);
325	>	a.reinitialize();
326	>	testInvokeOnPool(singletonPool(), a);
327		}
328
329		/**
330	<	* timed get with null time unit throws NPE
330	>	* join/quietlyJoin of a forked task when not in ForkJoinPool
331	>	* succeeds in the presence of interrupts
332		*/
333	<	public void testForkTimedGetNPE() {
334	<	RecursiveAction a = new RecursiveAction() {
335	<	public void compute() {
333	>	public void testJoinIgnoresInterruptsOutsideForkJoinPool() {
334	>	final SynchronousQueue<FibAction[]> sq =
335	>	new SynchronousQueue<FibAction[]>();
336	>	RecursiveAction a = new CheckedRecursiveAction() {
337	>	public void realCompute() throws InterruptedException {
338	>	FibAction[] fibActions = new FibAction[6];
339	>	for (int i = 0; i < fibActions.length; i++)
340	>	fibActions[i] = new FibAction(8);
341	>
342	>	fibActions[1].cancel(false);
343	>	fibActions[2].completeExceptionally(new FJException());
344	>	fibActions[4].cancel(true);
345	>	fibActions[5].completeExceptionally(new FJException());
346	>
347	>	for (int i = 0; i < fibActions.length; i++)
348	>	fibActions[i].fork();
349	>
350	>	sq.put(fibActions);
351	>
352	>	helpQuiesce();
353	>	}};
354	>
355	>	Runnable r = new CheckedRunnable() {
356	>	public void realRun() throws InterruptedException {
357	>	FibAction[] fibActions = sq.take();
358	>	FibAction f;
359	>	final Thread myself = Thread.currentThread();
360	>
361	>	// test join() ------------
362	>
363	>	f = fibActions[0];
364	>	assertFalse(ForkJoinTask.inForkJoinPool());
365	>	myself.interrupt();
366	>	assertTrue(myself.isInterrupted());
367	>	assertNull(f.join());
368	>	assertTrue(Thread.interrupted());
369	>	assertEquals(21, f.result);
370	>	checkCompletedNormally(f);
371	>
372	>	f = fibActions[1];
373	>	myself.interrupt();
374	>	assertTrue(myself.isInterrupted());
375		try {
376	<	FibAction f = new FibAction(8);
168	<	f.fork();
169	<	f.get(5L, null);
376	>	f.join();
377		shouldThrow();
378	<	} catch (NullPointerException success) {
379	<	} catch (Exception ex) {
380	<	unexpectedException(ex);
378	>	} catch (CancellationException success) {
379	>	assertTrue(Thread.interrupted());
380	>	checkCancelled(f);
381	>	}
382	>
383	>	f = fibActions[2];
384	>	myself.interrupt();
385	>	assertTrue(myself.isInterrupted());
386	>	try {
387	>	f.join();
388	>	shouldThrow();
389	>	} catch (FJException success) {
390	>	assertTrue(Thread.interrupted());
391	>	checkCompletedAbnormally(f, success);
392		}
393	+
394	+	// test quietlyJoin() ---------
395	+
396	+	f = fibActions[3];
397	+	myself.interrupt();
398	+	assertTrue(myself.isInterrupted());
399	+	f.quietlyJoin();
400	+	assertTrue(Thread.interrupted());
401	+	assertEquals(21, f.result);
402	+	checkCompletedNormally(f);
403	+
404	+	f = fibActions[4];
405	+	myself.interrupt();
406	+	assertTrue(myself.isInterrupted());
407	+	f.quietlyJoin();
408	+	assertTrue(Thread.interrupted());
409	+	checkCancelled(f);
410	+
411	+	f = fibActions[5];
412	+	myself.interrupt();
413	+	assertTrue(myself.isInterrupted());
414	+	f.quietlyJoin();
415	+	assertTrue(Thread.interrupted());
416	+	assertTrue(f.getException() instanceof FJException);
417	+	checkCompletedAbnormally(f, f.getException());
418		}};
419	<	mainPool.invoke(a);
419	>
420	>	Thread t;
421	>
422	>	t = newStartedThread(r);
423	>	testInvokeOnPool(mainPool(), a);
424	>	awaitTermination(t, LONG_DELAY_MS);
425	>
426	>	a.reinitialize();
427	>	t = newStartedThread(r);
428	>	testInvokeOnPool(singletonPool(), a);
429	>	awaitTermination(t, LONG_DELAY_MS);
430		}
431
432		/**
433	<	* helpJoin of a forked task returns when task completes
433	>	* get of a forked task returns when task completes
434		*/
435	<	public void testForkHelpJoin() {
436	<	RecursiveAction a = new RecursiveAction() {
437	<	public void compute() {
435	>	public void testForkGet() {
436	>	RecursiveAction a = new CheckedRecursiveAction() {
437	>	public void realCompute() throws Exception {
438		FibAction f = new FibAction(8);
439	<	f.fork();
440	<	f.helpJoin();
441	<	threadAssertTrue(f.result == 21);
442	<	threadAssertTrue(f.isDone());
439	>	assertSame(f, f.fork());
440	>	assertNull(f.get());
441	>	assertEquals(21, f.result);
442	>	checkCompletedNormally(f);
443		}};
444	<	mainPool.invoke(a);
444	>	testInvokeOnPool(mainPool(), a);
445		}
446
447		/**
448	<	* quietlyJoin of a forked task returns when task completes
448	>	* timed get of a forked task returns when task completes
449		*/
450	<	public void testForkQuietlyJoin() {
451	<	RecursiveAction a = new RecursiveAction() {
452	<	public void compute() {
450	>	public void testForkTimedGet() {
451	>	RecursiveAction a = new CheckedRecursiveAction() {
452	>	public void realCompute() throws Exception {
453		FibAction f = new FibAction(8);
454	<	f.fork();
455	<	f.quietlyJoin();
456	<	threadAssertTrue(f.result == 21);
457	<	threadAssertTrue(f.isDone());
454	>	assertSame(f, f.fork());
455	>	assertNull(f.get(5L, SECONDS));
456	>	assertEquals(21, f.result);
457	>	checkCompletedNormally(f);
458		}};
459	<	mainPool.invoke(a);
459	>	testInvokeOnPool(mainPool(), a);
460		}
461
209	–
462		/**
463	<	* quietlyHelpJoin of a forked task returns when task completes
463	>	* timed get with null time unit throws NPE
464		*/
465	<	public void testForkQuietlyHelpJoin() {
466	<	RecursiveAction a = new RecursiveAction() {
467	<	public void compute() {
465	>	public void testForkTimedGetNPE() {
466	>	RecursiveAction a = new CheckedRecursiveAction() {
467	>	public void realCompute() throws Exception {
468		FibAction f = new FibAction(8);
469	<	f.fork();
470	<	f.quietlyHelpJoin();
471	<	threadAssertTrue(f.result == 21);
472	<	threadAssertTrue(f.isDone());
469	>	assertSame(f, f.fork());
470	>	try {
471	>	f.get(5L, null);
472	>	shouldThrow();
473	>	} catch (NullPointerException success) {}
474		}};
475	<	mainPool.invoke(a);
475	>	testInvokeOnPool(mainPool(), a);
476		}
477
478	+	/**
479	+	* quietlyJoin of a forked task returns when task completes
480	+	*/
481	+	public void testForkQuietlyJoin() {
482	+	RecursiveAction a = new CheckedRecursiveAction() {
483	+	public void realCompute() {
484	+	FibAction f = new FibAction(8);
485	+	assertSame(f, f.fork());
486	+	f.quietlyJoin();
487	+	assertEquals(21, f.result);
488	+	checkCompletedNormally(f);
489	+	}};
490	+	testInvokeOnPool(mainPool(), a);
491	+	}
492
493		/**
494		* helpQuiesce returns when tasks are complete.
495		* getQueuedTaskCount returns 0 when quiescent
496		*/
497		public void testForkHelpQuiesce() {
498	<	RecursiveAction a = new RecursiveAction() {
499	<	public void compute() {
498	>	RecursiveAction a = new CheckedRecursiveAction() {
499	>	public void realCompute() {
500		FibAction f = new FibAction(8);
501	<	f.fork();
502	<	f.helpQuiesce();
503	<	threadAssertTrue(f.result == 21);
504	<	threadAssertTrue(f.isDone());
505	<	threadAssertTrue(getQueuedTaskCount() == 0);
501	>	assertSame(f, f.fork());
502	>	helpQuiesce();
503	>	assertEquals(21, f.result);
504	>	assertEquals(0, getQueuedTaskCount());
505	>	checkCompletedNormally(f);
506		}};
507	<	mainPool.invoke(a);
507	>	testInvokeOnPool(mainPool(), a);
508		}
509
243	–
510		/**
511		* invoke task throws exception when task completes abnormally
512		*/
513		public void testAbnormalInvoke() {
514	<	RecursiveAction a = new RecursiveAction() {
515	<	public void compute() {
514	>	RecursiveAction a = new CheckedRecursiveAction() {
515	>	public void realCompute() {
516	>	FailingFibAction f = new FailingFibAction(8);
517		try {
251	–	FailingFibAction f = new FailingFibAction(8);
518		f.invoke();
519		shouldThrow();
520		} catch (FJException success) {
521	+	checkCompletedAbnormally(f, success);
522		}
523		}};
524	<	mainPool.invoke(a);
524	>	testInvokeOnPool(mainPool(), a);
525		}
526
527		/**
528		* quietlyInvoke task returns when task completes abnormally
529		*/
530		public void testAbnormalQuietlyInvoke() {
531	<	RecursiveAction a = new RecursiveAction() {
532	<	public void compute() {
531	>	RecursiveAction a = new CheckedRecursiveAction() {
532	>	public void realCompute() {
533		FailingFibAction f = new FailingFibAction(8);
534		f.quietlyInvoke();
535	<	threadAssertTrue(f.isDone());
535	>	assertTrue(f.getException() instanceof FJException);
536	>	checkCompletedAbnormally(f, f.getException());
537		}};
538	<	mainPool.invoke(a);
538	>	testInvokeOnPool(mainPool(), a);
539		}
540
541		/**
542		* join of a forked task throws exception when task completes abnormally
543		*/
544		public void testAbnormalForkJoin() {
545	<	RecursiveAction a = new RecursiveAction() {
546	<	public void compute() {
545	>	RecursiveAction a = new CheckedRecursiveAction() {
546	>	public void realCompute() {
547	>	FailingFibAction f = new FailingFibAction(8);
548	>	assertSame(f, f.fork());
549		try {
280	–	FailingFibAction f = new FailingFibAction(8);
281	–	f.fork();
550		f.join();
551		shouldThrow();
552		} catch (FJException success) {
553	+	checkCompletedAbnormally(f, success);
554		}
555		}};
556	<	mainPool.invoke(a);
556	>	testInvokeOnPool(mainPool(), a);
557		}
558
559		/**
560		* get of a forked task throws exception when task completes abnormally
561		*/
562		public void testAbnormalForkGet() {
563	<	RecursiveAction a = new RecursiveAction() {
564	<	public void compute() {
563	>	RecursiveAction a = new CheckedRecursiveAction() {
564	>	public void realCompute() throws Exception {
565	>	FailingFibAction f = new FailingFibAction(8);
566	>	assertSame(f, f.fork());
567		try {
297	–	FailingFibAction f = new FailingFibAction(8);
298	–	f.fork();
568		f.get();
569		shouldThrow();
570		} catch (ExecutionException success) {
571	<	} catch (Exception ex) {
572	<	unexpectedException(ex);
571	>	Throwable cause = success.getCause();
572	>	assertTrue(cause instanceof FJException);
573	>	checkCompletedAbnormally(f, cause);
574		}
575		}};
576	<	mainPool.invoke(a);
576	>	testInvokeOnPool(mainPool(), a);
577		}
578
579		/**
580		* timed get of a forked task throws exception when task completes abnormally
581		*/
582		public void testAbnormalForkTimedGet() {
583	<	RecursiveAction a = new RecursiveAction() {
584	<	public void compute() {
583	>	RecursiveAction a = new CheckedRecursiveAction() {
584	>	public void realCompute() throws Exception {
585	>	FailingFibAction f = new FailingFibAction(8);
586	>	assertSame(f, f.fork());
587		try {
316	–	FailingFibAction f = new FailingFibAction(8);
317	–	f.fork();
588		f.get(5L, TimeUnit.SECONDS);
589		shouldThrow();
590		} catch (ExecutionException success) {
591	<	} catch (Exception ex) {
592	<	unexpectedException(ex);
593	<	}
324	<	}};
325	<	mainPool.invoke(a);
326	<	}
327	<
328	<	/**
329	<	* join of a forked task throws exception when task completes abnormally
330	<	*/
331	<	public void testAbnormalForkHelpJoin() {
332	<	RecursiveAction a = new RecursiveAction() {
333	<	public void compute() {
334	<	try {
335	<	FailingFibAction f = new FailingFibAction(8);
336	<	f.fork();
337	<	f.helpJoin();
338	<	shouldThrow();
339	<	} catch (FJException success) {
591	>	Throwable cause = success.getCause();
592	>	assertTrue(cause instanceof FJException);
593	>	checkCompletedAbnormally(f, cause);
594		}
595		}};
596	<	mainPool.invoke(a);
343	<	}
344	<
345	<	/**
346	<	* quietlyHelpJoin of a forked task returns when task completes abnormally.
347	<	* getException of failed task returns its exception.
348	<	* isCompletedAbnormally of a failed task returns true.
349	<	* isCancelled of a failed uncancelled task returns false
350	<	*/
351	<	public void testAbnormalForkQuietlyHelpJoin() {
352	<	RecursiveAction a = new RecursiveAction() {
353	<	public void compute() {
354	<	FailingFibAction f = new FailingFibAction(8);
355	<	f.fork();
356	<	f.quietlyHelpJoin();
357	<	threadAssertTrue(f.isDone());
358	<	threadAssertTrue(f.isCompletedAbnormally());
359	<	threadAssertFalse(f.isCancelled());
360	<	threadAssertTrue(f.getException() instanceof FJException);
361	<	}};
362	<	mainPool.invoke(a);
596	>	testInvokeOnPool(mainPool(), a);
597		}
598
599		/**
600		* quietlyJoin of a forked task returns when task completes abnormally
601		*/
602		public void testAbnormalForkQuietlyJoin() {
603	<	RecursiveAction a = new RecursiveAction() {
604	<	public void compute() {
603	>	RecursiveAction a = new CheckedRecursiveAction() {
604	>	public void realCompute() {
605		FailingFibAction f = new FailingFibAction(8);
606	<	f.fork();
606	>	assertSame(f, f.fork());
607		f.quietlyJoin();
608	<	threadAssertTrue(f.isDone());
609	<	threadAssertTrue(f.isCompletedAbnormally());
376	<	threadAssertTrue(f.getException() instanceof FJException);
608	>	assertTrue(f.getException() instanceof FJException);
609	>	checkCompletedAbnormally(f, f.getException());
610		}};
611	<	mainPool.invoke(a);
611	>	testInvokeOnPool(mainPool(), a);
612		}
613
614		/**
615		* invoke task throws exception when task cancelled
616		*/
617		public void testCancelledInvoke() {
618	<	RecursiveAction a = new RecursiveAction() {
619	<	public void compute() {
618	>	RecursiveAction a = new CheckedRecursiveAction() {
619	>	public void realCompute() {
620	>	FibAction f = new FibAction(8);
621	>	assertTrue(f.cancel(true));
622		try {
388	–	FibAction f = new FibAction(8);
389	–	f.cancel(true);
623		f.invoke();
624		shouldThrow();
625		} catch (CancellationException success) {
626	+	checkCancelled(f);
627		}
628		}};
629	<	mainPool.invoke(a);
629	>	testInvokeOnPool(mainPool(), a);
630		}
631
632		/**
633		* join of a forked task throws exception when task cancelled
634		*/
635		public void testCancelledForkJoin() {
636	<	RecursiveAction a = new RecursiveAction() {
637	<	public void compute() {
636	>	RecursiveAction a = new CheckedRecursiveAction() {
637	>	public void realCompute() {
638	>	FibAction f = new FibAction(8);
639	>	assertTrue(f.cancel(true));
640	>	assertSame(f, f.fork());
641		try {
405	–	FibAction f = new FibAction(8);
406	–	f.cancel(true);
407	–	f.fork();
642		f.join();
643		shouldThrow();
644		} catch (CancellationException success) {
645	+	checkCancelled(f);
646		}
647		}};
648	<	mainPool.invoke(a);
648	>	testInvokeOnPool(mainPool(), a);
649		}
650
651		/**
652		* get of a forked task throws exception when task cancelled
653		*/
654		public void testCancelledForkGet() {
655	<	RecursiveAction a = new RecursiveAction() {
656	<	public void compute() {
655	>	RecursiveAction a = new CheckedRecursiveAction() {
656	>	public void realCompute() throws Exception {
657	>	FibAction f = new FibAction(8);
658	>	assertTrue(f.cancel(true));
659	>	assertSame(f, f.fork());
660		try {
423	–	FibAction f = new FibAction(8);
424	–	f.cancel(true);
425	–	f.fork();
661		f.get();
662		shouldThrow();
663		} catch (CancellationException success) {
664	<	} catch (Exception ex) {
430	<	unexpectedException(ex);
664	>	checkCancelled(f);
665		}
666		}};
667	<	mainPool.invoke(a);
667	>	testInvokeOnPool(mainPool(), a);
668		}
669
670		/**
671		* timed get of a forked task throws exception when task cancelled
672		*/
673		public void testCancelledForkTimedGet() {
674	<	RecursiveAction a = new RecursiveAction() {
675	<	public void compute() {
674	>	RecursiveAction a = new CheckedRecursiveAction() {
675	>	public void realCompute() throws Exception {
676	>	FibAction f = new FibAction(8);
677	>	assertTrue(f.cancel(true));
678	>	assertSame(f, f.fork());
679		try {
680	<	FibAction f = new FibAction(8);
444	<	f.cancel(true);
445	<	f.fork();
446	<	f.get(5L, TimeUnit.SECONDS);
447	<	shouldThrow();
448	<	} catch (CancellationException success) {
449	<	} catch (Exception ex) {
450	<	unexpectedException(ex);
451	<	}
452	<	}};
453	<	mainPool.invoke(a);
454	<	}
455	<
456	<	/**
457	<	* join of a forked task throws exception when task cancelled
458	<	*/
459	<	public void testCancelledForkHelpJoin() {
460	<	RecursiveAction a = new RecursiveAction() {
461	<	public void compute() {
462	<	try {
463	<	FibAction f = new FibAction(8);
464	<	f.cancel(true);
465	<	f.fork();
466	<	f.helpJoin();
680	>	f.get(5L, SECONDS);
681		shouldThrow();
682		} catch (CancellationException success) {
683	+	checkCancelled(f);
684		}
685		}};
686	<	mainPool.invoke(a);
472	<	}
473	<
474	<	/**
475	<	* quietlyHelpJoin of a forked task returns when task cancelled.
476	<	* getException of cancelled task returns its exception.
477	<	* isCompletedAbnormally of a cancelled task returns true.
478	<	* isCancelled of a cancelled task returns true
479	<	*/
480	<	public void testCancelledForkQuietlyHelpJoin() {
481	<	RecursiveAction a = new RecursiveAction() {
482	<	public void compute() {
483	<	FibAction f = new FibAction(8);
484	<	f.cancel(true);
485	<	f.fork();
486	<	f.quietlyHelpJoin();
487	<	threadAssertTrue(f.isDone());
488	<	threadAssertTrue(f.isCompletedAbnormally());
489	<	threadAssertTrue(f.isCancelled());
490	<	threadAssertTrue(f.getException() instanceof CancellationException);
491	<	}};
492	<	mainPool.invoke(a);
686	>	testInvokeOnPool(mainPool(), a);
687		}
688
689		/**
690		* quietlyJoin of a forked task returns when task cancelled
691		*/
692		public void testCancelledForkQuietlyJoin() {
693	<	RecursiveAction a = new RecursiveAction() {
694	<	public void compute() {
693	>	RecursiveAction a = new CheckedRecursiveAction() {
694	>	public void realCompute() {
695		FibAction f = new FibAction(8);
696	<	f.cancel(true);
697	<	f.fork();
696	>	assertTrue(f.cancel(true));
697	>	assertSame(f, f.fork());
698		f.quietlyJoin();
699	<	threadAssertTrue(f.isDone());
506	<	threadAssertTrue(f.isCompletedAbnormally());
507	<	threadAssertTrue(f.getException() instanceof CancellationException);
699	>	checkCancelled(f);
700		}};
701	<	mainPool.invoke(a);
701	>	testInvokeOnPool(mainPool(), a);
702		}
703
704		/**
705		* getPool of executing task returns its pool
706		*/
707		public void testGetPool() {
708	<	RecursiveAction a = new RecursiveAction() {
709	<	public void compute() {
710	<	threadAssertTrue(getPool() == mainPool);
708	>	final ForkJoinPool mainPool = mainPool();
709	>	RecursiveAction a = new CheckedRecursiveAction() {
710	>	public void realCompute() {
711	>	assertSame(mainPool, getPool());
712		}};
713	<	mainPool.invoke(a);
713	>	testInvokeOnPool(mainPool, a);
714		}
715
716		/**
717		* getPool of non-FJ task returns null
718		*/
719		public void testGetPool2() {
720	<	RecursiveAction a = new RecursiveAction() {
721	<	public void compute() {
722	<	threadAssertTrue(getPool() == null);
720	>	RecursiveAction a = new CheckedRecursiveAction() {
721	>	public void realCompute() {
722	>	assertNull(getPool());
723		}};
724	<	a.invoke();
724	>	assertNull(a.invoke());
725		}
726
727		/**
728		* inForkJoinPool of executing task returns true
729		*/
730		public void testInForkJoinPool() {
731	<	RecursiveAction a = new RecursiveAction() {
732	<	public void compute() {
733	<	threadAssertTrue(inForkJoinPool());
731	>	RecursiveAction a = new CheckedRecursiveAction() {
732	>	public void realCompute() {
733	>	assertTrue(inForkJoinPool());
734		}};
735	<	mainPool.invoke(a);
735	>	testInvokeOnPool(mainPool(), a);
736		}
737
738		/**
739		* inForkJoinPool of non-FJ task returns false
740		*/
741		public void testInForkJoinPool2() {
742	<	RecursiveAction a = new RecursiveAction() {
743	<	public void compute() {
744	<	threadAssertTrue(!inForkJoinPool());
742	>	RecursiveAction a = new CheckedRecursiveAction() {
743	>	public void realCompute() {
744	>	assertFalse(inForkJoinPool());
745		}};
746	<	a.invoke();
746	>	assertNull(a.invoke());
747		}
748
749		/**
750		* getPool of current thread in pool returns its pool
751		*/
752		public void testWorkerGetPool() {
753	<	RecursiveAction a = new RecursiveAction() {
754	<	public void compute() {
753	>	final ForkJoinPool mainPool = mainPool();
754	>	RecursiveAction a = new CheckedRecursiveAction() {
755	>	public void realCompute() {
756		ForkJoinWorkerThread w =
757	<	(ForkJoinWorkerThread)(Thread.currentThread());
758	<	threadAssertTrue(w.getPool() == mainPool);
757	>	(ForkJoinWorkerThread) Thread.currentThread();
758	>	assertSame(mainPool, w.getPool());
759		}};
760	<	mainPool.invoke(a);
760	>	testInvokeOnPool(mainPool, a);
761		}
762
763		/**
764		* getPoolIndex of current thread in pool returns 0 <= value < poolSize
571	–	*
765		*/
766		public void testWorkerGetPoolIndex() {
767	<	RecursiveAction a = new RecursiveAction() {
768	<	public void compute() {
767	>	final ForkJoinPool mainPool = mainPool();
768	>	RecursiveAction a = new CheckedRecursiveAction() {
769	>	public void realCompute() {
770		ForkJoinWorkerThread w =
771	<	(ForkJoinWorkerThread)(Thread.currentThread());
772	<	int idx = w.getPoolIndex();
773	<	threadAssertTrue(idx >= 0);
774	<	threadAssertTrue(idx < mainPool.getPoolSize());
771	>	(ForkJoinWorkerThread) Thread.currentThread();
772	>	assertTrue(w.getPoolIndex() >= 0);
773	>	// pool size can shrink after assigning index, so cannot check
774	>	// assertTrue(w.getPoolIndex() < mainPool.getPoolSize());
775		}};
776	<	mainPool.invoke(a);
776	>	testInvokeOnPool(mainPool, a);
777		}
778
585	–
779		/**
780		* setRawResult(null) succeeds
781		*/
782		public void testSetRawResult() {
783	<	RecursiveAction a = new RecursiveAction() {
784	<	public void compute() {
783	>	RecursiveAction a = new CheckedRecursiveAction() {
784	>	public void realCompute() {
785		setRawResult(null);
786	+	assertNull(getRawResult());
787		}};
788	<	a.invoke();
788	>	assertNull(a.invoke());
789		}
790
791		/**
792		* A reinitialized task may be re-invoked
793		*/
794		public void testReinitialize() {
795	<	RecursiveAction a = new RecursiveAction() {
796	<	public void compute() {
795	>	RecursiveAction a = new CheckedRecursiveAction() {
796	>	public void realCompute() {
797		FibAction f = new FibAction(8);
798	<	f.invoke();
799	<	threadAssertTrue(f.result == 21);
800	<	threadAssertTrue(f.isDone());
801	<	threadAssertFalse(f.isCancelled());
802	<	threadAssertFalse(f.isCompletedAbnormally());
803	<	f.reinitialize();
804	<	f.invoke();
805	<	threadAssertTrue(f.result == 21);
798	>	checkNotDone(f);
799	>
800	>	for (int i = 0; i < 3; i++) {
801	>	assertNull(f.invoke());
802	>	assertEquals(21, f.result);
803	>	checkCompletedNormally(f);
804	>	f.reinitialize();
805	>	checkNotDone(f);
806	>	}
807		}};
808	<	mainPool.invoke(a);
808	>	testInvokeOnPool(mainPool(), a);
809		}
810
811		/**
812		* invoke task throws exception after invoking completeExceptionally
813		*/
814		public void testCompleteExceptionally() {
815	<	RecursiveAction a = new RecursiveAction() {
816	<	public void compute() {
815	>	RecursiveAction a = new CheckedRecursiveAction() {
816	>	public void realCompute() {
817	>	FibAction f = new FibAction(8);
818	>	f.completeExceptionally(new FJException());
819		try {
623	–	FibAction f = new FibAction(8);
624	–	f.completeExceptionally(new FJException());
820		f.invoke();
821		shouldThrow();
822		} catch (FJException success) {
823	+	checkCompletedAbnormally(f, success);
824		}
825		}};
826	<	mainPool.invoke(a);
826	>	testInvokeOnPool(mainPool(), a);
827		}
828
829		/**
830		* invoke task suppresses execution invoking complete
831		*/
832		public void testComplete() {
833	<	RecursiveAction a = new RecursiveAction() {
834	<	public void compute() {
833	>	RecursiveAction a = new CheckedRecursiveAction() {
834	>	public void realCompute() {
835		FibAction f = new FibAction(8);
836		f.complete(null);
837	<	f.invoke();
838	<	threadAssertTrue(f.isDone());
839	<	threadAssertTrue(f.result == 0);
837	>	assertNull(f.invoke());
838	>	assertEquals(0, f.result);
839	>	checkCompletedNormally(f);
840		}};
841	<	mainPool.invoke(a);
841	>	testInvokeOnPool(mainPool(), a);
842		}
843
844		/**
845		* invokeAll(t1, t2) invokes all task arguments
846		*/
847		public void testInvokeAll2() {
848	<	RecursiveAction a = new RecursiveAction() {
849	<	public void compute() {
848	>	RecursiveAction a = new CheckedRecursiveAction() {
849	>	public void realCompute() {
850		FibAction f = new FibAction(8);
851		FibAction g = new FibAction(9);
852		invokeAll(f, g);
853	<	threadAssertTrue(f.isDone());
854	<	threadAssertTrue(f.result == 21);
855	<	threadAssertTrue(g.isDone());
856	<	threadAssertTrue(g.result == 34);
853	>	checkCompletedNormally(f);
854	>	assertEquals(21, f.result);
855	>	checkCompletedNormally(g);
856	>	assertEquals(34, g.result);
857		}};
858	<	mainPool.invoke(a);
858	>	testInvokeOnPool(mainPool(), a);
859		}
860
861		/**
862		* invokeAll(tasks) with 1 argument invokes task
863		*/
864		public void testInvokeAll1() {
865	<	RecursiveAction a = new RecursiveAction() {
866	<	public void compute() {
865	>	RecursiveAction a = new CheckedRecursiveAction() {
866	>	public void realCompute() {
867		FibAction f = new FibAction(8);
868		invokeAll(f);
869	<	threadAssertTrue(f.isDone());
870	<	threadAssertTrue(f.result == 21);
869	>	checkCompletedNormally(f);
870	>	assertEquals(21, f.result);
871		}};
872	<	mainPool.invoke(a);
872	>	testInvokeOnPool(mainPool(), a);
873		}
874
875		/**
876		* invokeAll(tasks) with > 2 argument invokes tasks
877		*/
878		public void testInvokeAll3() {
879	<	RecursiveAction a = new RecursiveAction() {
880	<	public void compute() {
879	>	RecursiveAction a = new CheckedRecursiveAction() {
880	>	public void realCompute() {
881		FibAction f = new FibAction(8);
882		FibAction g = new FibAction(9);
883		FibAction h = new FibAction(7);
884		invokeAll(f, g, h);
885	<	threadAssertTrue(f.isDone());
886	<	threadAssertTrue(f.result == 21);
887	<	threadAssertTrue(g.isDone());
888	<	threadAssertTrue(g.result == 34);
889	<	threadAssertTrue(h.isDone());
890	<	threadAssertTrue(h.result == 13);
885	>	assertTrue(f.isDone());
886	>	assertTrue(g.isDone());
887	>	assertTrue(h.isDone());
888	>	checkCompletedNormally(f);
889	>	assertEquals(21, f.result);
890	>	checkCompletedNormally(g);
891	>	assertEquals(34, g.result);
892	>	checkCompletedNormally(g);
893	>	assertEquals(13, h.result);
894		}};
895	<	mainPool.invoke(a);
895	>	testInvokeOnPool(mainPool(), a);
896		}
897
898		/**
899		* invokeAll(collection) invokes all tasks in the collection
900		*/
901		public void testInvokeAllCollection() {
902	<	RecursiveAction a = new RecursiveAction() {
903	<	public void compute() {
902	>	RecursiveAction a = new CheckedRecursiveAction() {
903	>	public void realCompute() {
904		FibAction f = new FibAction(8);
905		FibAction g = new FibAction(9);
906		FibAction h = new FibAction(7);
#	Line 710 | Line 909 | public class RecursiveActionTest extends
909		set.add(g);
910		set.add(h);
911		invokeAll(set);
912	<	threadAssertTrue(f.isDone());
913	<	threadAssertTrue(f.result == 21);
914	<	threadAssertTrue(g.isDone());
915	<	threadAssertTrue(g.result == 34);
916	<	threadAssertTrue(h.isDone());
917	<	threadAssertTrue(h.result == 13);
912	>	assertTrue(f.isDone());
913	>	assertTrue(g.isDone());
914	>	assertTrue(h.isDone());
915	>	checkCompletedNormally(f);
916	>	assertEquals(21, f.result);
917	>	checkCompletedNormally(g);
918	>	assertEquals(34, g.result);
919	>	checkCompletedNormally(g);
920	>	assertEquals(13, h.result);
921		}};
922	<	mainPool.invoke(a);
922	>	testInvokeOnPool(mainPool(), a);
923		}
924
723	–
925		/**
926		* invokeAll(tasks) with any null task throws NPE
927		*/
928		public void testInvokeAllNPE() {
929	<	RecursiveAction a = new RecursiveAction() {
930	<	public void compute() {
929	>	RecursiveAction a = new CheckedRecursiveAction() {
930	>	public void realCompute() {
931	>	FibAction f = new FibAction(8);
932	>	FibAction g = new FibAction(9);
933	>	FibAction h = null;
934		try {
731	–	FibAction f = new FibAction(8);
732	–	FibAction g = new FibAction(9);
733	–	FibAction h = null;
935		invokeAll(f, g, h);
936		shouldThrow();
937	<	} catch (NullPointerException success) {
737	<	}
937	>	} catch (NullPointerException success) {}
938		}};
939	<	mainPool.invoke(a);
939	>	testInvokeOnPool(mainPool(), a);
940		}
941
942		/**
943		* invokeAll(t1, t2) throw exception if any task does
944		*/
945		public void testAbnormalInvokeAll2() {
946	<	RecursiveAction a = new RecursiveAction() {
947	<	public void compute() {
946	>	RecursiveAction a = new CheckedRecursiveAction() {
947	>	public void realCompute() {
948	>	FibAction f = new FibAction(8);
949	>	FailingFibAction g = new FailingFibAction(9);
950		try {
749	–	FibAction f = new FibAction(8);
750	–	FailingFibAction g = new FailingFibAction(9);
951		invokeAll(f, g);
952		shouldThrow();
953		} catch (FJException success) {
954	+	checkCompletedAbnormally(g, success);
955		}
956		}};
957	<	mainPool.invoke(a);
957	>	testInvokeOnPool(mainPool(), a);
958		}
959
960		/**
961		* invokeAll(tasks) with 1 argument throws exception if task does
962		*/
963		public void testAbnormalInvokeAll1() {
964	<	RecursiveAction a = new RecursiveAction() {
965	<	public void compute() {
964	>	RecursiveAction a = new CheckedRecursiveAction() {
965	>	public void realCompute() {
966	>	FailingFibAction g = new FailingFibAction(9);
967		try {
766	–	FailingFibAction g = new FailingFibAction(9);
968		invokeAll(g);
969		shouldThrow();
970		} catch (FJException success) {
971	+	checkCompletedAbnormally(g, success);
972		}
973		}};
974	<	mainPool.invoke(a);
974	>	testInvokeOnPool(mainPool(), a);
975		}
976
977		/**
978		* invokeAll(tasks) with > 2 argument throws exception if any task does
979		*/
980		public void testAbnormalInvokeAll3() {
981	<	RecursiveAction a = new RecursiveAction() {
982	<	public void compute() {
981	>	RecursiveAction a = new CheckedRecursiveAction() {
982	>	public void realCompute() {
983	>	FibAction f = new FibAction(8);
984	>	FailingFibAction g = new FailingFibAction(9);
985	>	FibAction h = new FibAction(7);
986		try {
782	–	FibAction f = new FibAction(8);
783	–	FailingFibAction g = new FailingFibAction(9);
784	–	FibAction h = new FibAction(7);
987		invokeAll(f, g, h);
988		shouldThrow();
989		} catch (FJException success) {
990	+	checkCompletedAbnormally(g, success);
991		}
992		}};
993	<	mainPool.invoke(a);
993	>	testInvokeOnPool(mainPool(), a);
994		}
995
996		/**
997		* invokeAll(collection) throws exception if any task does
998		*/
999		public void testAbnormalInvokeAllCollection() {
1000	<	RecursiveAction a = new RecursiveAction() {
1001	<	public void compute() {
1000	>	RecursiveAction a = new CheckedRecursiveAction() {
1001	>	public void realCompute() {
1002	>	FailingFibAction f = new FailingFibAction(8);
1003	>	FibAction g = new FibAction(9);
1004	>	FibAction h = new FibAction(7);
1005	>	HashSet set = new HashSet();
1006	>	set.add(f);
1007	>	set.add(g);
1008	>	set.add(h);
1009		try {
800	–	FailingFibAction f = new FailingFibAction(8);
801	–	FibAction g = new FibAction(9);
802	–	FibAction h = new FibAction(7);
803	–	HashSet set = new HashSet();
804	–	set.add(f);
805	–	set.add(g);
806	–	set.add(h);
1010		invokeAll(set);
1011		shouldThrow();
1012		} catch (FJException success) {
1013	+	checkCompletedAbnormally(f, success);
1014		}
1015		}};
1016	<	mainPool.invoke(a);
1016	>	testInvokeOnPool(mainPool(), a);
1017		}
1018
1019		/**
#	Line 817 | Line 1021 | public class RecursiveActionTest extends
1021		* and suppresses execution
1022		*/
1023		public void testTryUnfork() {
1024	<	RecursiveAction a = new RecursiveAction() {
1025	<	public void compute() {
1024	>	RecursiveAction a = new CheckedRecursiveAction() {
1025	>	public void realCompute() {
1026		FibAction g = new FibAction(9);
1027	<	g.fork();
1027	>	assertSame(g, g.fork());
1028		FibAction f = new FibAction(8);
1029	<	f.fork();
1030	<	threadAssertTrue(f.tryUnfork());
1029	>	assertSame(f, f.fork());
1030	>	assertTrue(f.tryUnfork());
1031		helpQuiesce();
1032	<	threadAssertFalse(f.isDone());
1033	<	threadAssertTrue(g.isDone());
1032	>	checkNotDone(f);
1033	>	checkCompletedNormally(g);
1034		}};
1035	<	singletonPool.invoke(a);
1035	>	testInvokeOnPool(singletonPool(), a);
1036		}
1037
1038		/**
#	Line 836 | Line 1040 | public class RecursiveActionTest extends
1040		* there are more tasks than threads
1041		*/
1042		public void testGetSurplusQueuedTaskCount() {
1043	<	RecursiveAction a = new RecursiveAction() {
1044	<	public void compute() {
1043	>	RecursiveAction a = new CheckedRecursiveAction() {
1044	>	public void realCompute() {
1045		FibAction h = new FibAction(7);
1046	<	h.fork();
1046	>	assertSame(h, h.fork());
1047		FibAction g = new FibAction(9);
1048	<	g.fork();
1048	>	assertSame(g, g.fork());
1049		FibAction f = new FibAction(8);
1050	<	f.fork();
1051	<	threadAssertTrue(getSurplusQueuedTaskCount() > 0);
1050	>	assertSame(f, f.fork());
1051	>	assertTrue(getSurplusQueuedTaskCount() > 0);
1052		helpQuiesce();
1053	+	assertEquals(0, getSurplusQueuedTaskCount());
1054	+	checkCompletedNormally(f);
1055	+	checkCompletedNormally(g);
1056	+	checkCompletedNormally(h);
1057		}};
1058	<	singletonPool.invoke(a);
1058	>	testInvokeOnPool(singletonPool(), a);
1059		}
1060
1061		/**
1062		* peekNextLocalTask returns most recent unexecuted task.
1063		*/
1064		public void testPeekNextLocalTask() {
1065	<	RecursiveAction a = new RecursiveAction() {
1066	<	public void compute() {
1065	>	RecursiveAction a = new CheckedRecursiveAction() {
1066	>	public void realCompute() {
1067		FibAction g = new FibAction(9);
1068	<	g.fork();
1068	>	assertSame(g, g.fork());
1069		FibAction f = new FibAction(8);
1070	<	f.fork();
1071	<	threadAssertTrue(peekNextLocalTask() == f);
1072	<	f.join();
1073	<	threadAssertTrue(f.isDone());
1070	>	assertSame(f, f.fork());
1071	>	assertSame(f, peekNextLocalTask());
1072	>	assertNull(f.join());
1073	>	checkCompletedNormally(f);
1074		helpQuiesce();
1075	+	checkCompletedNormally(f);
1076	+	checkCompletedNormally(g);
1077		}};
1078	<	singletonPool.invoke(a);
1078	>	testInvokeOnPool(singletonPool(), a);
1079		}
1080
1081		/**
#	Line 873 | Line 1083 | public class RecursiveActionTest extends
1083		* without executing it
1084		*/
1085		public void testPollNextLocalTask() {
1086	<	RecursiveAction a = new RecursiveAction() {
1087	<	public void compute() {
1086	>	RecursiveAction a = new CheckedRecursiveAction() {
1087	>	public void realCompute() {
1088		FibAction g = new FibAction(9);
1089	<	g.fork();
1089	>	assertSame(g, g.fork());
1090		FibAction f = new FibAction(8);
1091	<	f.fork();
1092	<	threadAssertTrue(pollNextLocalTask() == f);
1091	>	assertSame(f, f.fork());
1092	>	assertSame(f, pollNextLocalTask());
1093		helpQuiesce();
1094	<	threadAssertFalse(f.isDone());
1094	>	checkNotDone(f);
1095	>	checkCompletedNormally(g);
1096		}};
1097	<	singletonPool.invoke(a);
1097	>	testInvokeOnPool(singletonPool(), a);
1098		}
1099
1100		/**
1101	<	* pollTask returns an unexecuted task
891	<	* without executing it
1101	>	* pollTask returns an unexecuted task without executing it
1102		*/
1103		public void testPollTask() {
1104	<	RecursiveAction a = new RecursiveAction() {
1105	<	public void compute() {
1104	>	RecursiveAction a = new CheckedRecursiveAction() {
1105	>	public void realCompute() {
1106		FibAction g = new FibAction(9);
1107	<	g.fork();
1107	>	assertSame(g, g.fork());
1108		FibAction f = new FibAction(8);
1109	<	f.fork();
1110	<	threadAssertTrue(pollTask() == f);
1109	>	assertSame(f, f.fork());
1110	>	assertSame(f, pollTask());
1111		helpQuiesce();
1112	<	threadAssertFalse(f.isDone());
1113	<	threadAssertTrue(g.isDone());
1112	>	checkNotDone(f);
1113	>	checkCompletedNormally(g);
1114		}};
1115	<	singletonPool.invoke(a);
1115	>	testInvokeOnPool(singletonPool(), a);
1116		}
1117
1118		/**
1119		* peekNextLocalTask returns least recent unexecuted task in async mode
1120		*/
1121		public void testPeekNextLocalTaskAsync() {
1122	<	RecursiveAction a = new RecursiveAction() {
1123	<	public void compute() {
1122	>	RecursiveAction a = new CheckedRecursiveAction() {
1123	>	public void realCompute() {
1124		FibAction g = new FibAction(9);
1125	<	g.fork();
1125	>	assertSame(g, g.fork());
1126		FibAction f = new FibAction(8);
1127	<	f.fork();
1128	<	threadAssertTrue(peekNextLocalTask() == g);
1129	<	f.join();
1127	>	assertSame(f, f.fork());
1128	>	assertSame(g, peekNextLocalTask());
1129	>	assertNull(f.join());
1130		helpQuiesce();
1131	<	threadAssertTrue(f.isDone());
1131	>	checkCompletedNormally(f);
1132	>	checkCompletedNormally(g);
1133		}};
1134	<	asyncSingletonPool.invoke(a);
1134	>	testInvokeOnPool(asyncSingletonPool(), a);
1135		}
1136
1137		/**
1138	<	* pollNextLocalTask returns least recent unexecuted task
1139	<	* without executing it, in async mode
1138	>	* pollNextLocalTask returns least recent unexecuted task without
1139	>	* executing it, in async mode
1140		*/
1141		public void testPollNextLocalTaskAsync() {
1142	<	RecursiveAction a = new RecursiveAction() {
1143	<	public void compute() {
1142	>	RecursiveAction a = new CheckedRecursiveAction() {
1143	>	public void realCompute() {
1144		FibAction g = new FibAction(9);
1145	<	g.fork();
1145	>	assertSame(g, g.fork());
1146		FibAction f = new FibAction(8);
1147	<	f.fork();
1148	<	threadAssertTrue(pollNextLocalTask() == g);
1147	>	assertSame(f, f.fork());
1148	>	assertSame(g, pollNextLocalTask());
1149		helpQuiesce();
1150	<	threadAssertTrue(f.isDone());
1151	<	threadAssertFalse(g.isDone());
1150	>	checkCompletedNormally(f);
1151	>	checkNotDone(g);
1152		}};
1153	<	asyncSingletonPool.invoke(a);
1153	>	testInvokeOnPool(asyncSingletonPool(), a);
1154		}
1155
1156		/**
1157	<	* pollTask returns an unexecuted task
1158	<	* without executing it, in async mode
1157	>	* pollTask returns an unexecuted task without executing it, in
1158	>	* async mode
1159		*/
1160		public void testPollTaskAsync() {
1161	<	RecursiveAction a = new RecursiveAction() {
1162	<	public void compute() {
1161	>	RecursiveAction a = new CheckedRecursiveAction() {
1162	>	public void realCompute() {
1163		FibAction g = new FibAction(9);
1164	<	g.fork();
1164	>	assertSame(g, g.fork());
1165		FibAction f = new FibAction(8);
1166	<	f.fork();
1167	<	threadAssertTrue(pollTask() == g);
1166	>	assertSame(f, f.fork());
1167	>	assertSame(g, pollTask());
1168		helpQuiesce();
1169	<	threadAssertTrue(f.isDone());
1170	<	threadAssertFalse(g.isDone());
1169	>	checkCompletedNormally(f);
1170	>	checkNotDone(g);
1171		}};
1172	<	asyncSingletonPool.invoke(a);
1172	>	testInvokeOnPool(asyncSingletonPool(), a);
1173		}
1174
1175		}

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