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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.2 by jsr166, Fri Jul 31 23:37:31 2009 UTC vs.
Revision 1.21 by jsr166, Wed Aug 25 00:07:03 2010 UTC

#	Line 7 | Line 7
7
8		import junit.framework.*;
9		import java.util.*;
10	<	import java.util.concurrent.*;
10	>	import java.util.concurrent.Executor;
11	>	import java.util.concurrent.Executors;
12	>	import java.util.concurrent.ExecutorService;
13	>	import java.util.concurrent.AbstractExecutorService;
14	>	import java.util.concurrent.CountDownLatch;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.Future;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.RejectedExecutionException;
20	>	import java.util.concurrent.ForkJoinPool;
21	>	import java.util.concurrent.ForkJoinTask;
22	>	import java.util.concurrent.ForkJoinWorkerThread;
23	>	import java.util.concurrent.RecursiveAction;
24	>	import java.util.concurrent.RecursiveTask;
25	>	import java.util.concurrent.TimeUnit;
26		import java.util.concurrent.locks.*;
27		import java.security.*;
28
29	<	public class ForkJoinPoolTest extends JSR166TestCase{
29	>	public class ForkJoinPoolTest extends JSR166TestCase {
30		public static void main(String[] args) {
31	<	junit.textui.TestRunner.run (suite());
31	>	junit.textui.TestRunner.run(suite());
32		}
33		public static Test suite() {
34		return new TestSuite(ForkJoinPoolTest.class);
#	Line 38 | Line 53 | public class ForkJoinPoolTest extends JS
53		// Some classes to test extension and factory methods
54
55		static class MyHandler implements Thread.UncaughtExceptionHandler {
56	<	int catches = 0;
56	>	volatile int catches = 0;
57		public void uncaughtException(Thread t, Throwable e) {
58		++catches;
59		}
#	Line 47 | Line 62 | public class ForkJoinPoolTest extends JS
62		// to test handlers
63		static class FailingFJWSubclass extends ForkJoinWorkerThread {
64		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
65	<	protected void onStart() { throw new Error(); }
65	>	protected void onStart() { super.onStart(); throw new Error(); }
66		}
67
68	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
69	<	int calls = 0;
68	>	static class FailingThreadFactory
69	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
70	>	volatile int calls = 0;
71		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
72		if (++calls > 1) return null;
73		return new FailingFJWSubclass(p);
#	Line 135 | Line 151 | public class ForkJoinPoolTest extends JS
151		}
152
153		/**
154	<	* Succesfully constructed pool reports default factory,
154	>	* Successfully constructed pool reports default factory,
155		* parallelism and async mode policies, no active threads or
156		* tasks, and quiescent running state.
157		*/
#	Line 143 | Line 159 | public class ForkJoinPoolTest extends JS
159		ForkJoinPool p = null;
160		try {
161		p = new ForkJoinPool(1);
162	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
162	>	assertTrue(p.getFactory() ==
163	>	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
164		assertTrue(p.isQuiescent());
148	–	assertTrue(p.getMaintainsParallelism());
165		assertFalse(p.getAsyncMode());
166		assertTrue(p.getActiveThreadCount() == 0);
167		assertTrue(p.getStealCount() == 0);
#	Line 167 | Line 183 | public class ForkJoinPoolTest extends JS
183		try {
184		new ForkJoinPool(-1);
185		shouldThrow();
186	<	}
171	<	catch (IllegalArgumentException success) {}
186	>	} catch (IllegalArgumentException success) {}
187		}
188
189		/**
#	Line 176 | Line 191 | public class ForkJoinPoolTest extends JS
191		*/
192		public void testConstructor2() {
193		try {
194	<	new ForkJoinPool(1, null);
194	>	new ForkJoinPool(1, null, null, false);
195		shouldThrow();
196	<	}
182	<	catch (NullPointerException success) {}
196	>	} catch (NullPointerException success) {}
197		}
198
199
#	Line 197 | Line 211 | public class ForkJoinPoolTest extends JS
211		}
212
213		/**
200	–	* setParallelism changes reported parallelism level.
201	–	*/
202	–	public void testSetParallelism() {
203	–	ForkJoinPool p = null;
204	–	try {
205	–	p = new ForkJoinPool(1);
206	–	assertTrue(p.getParallelism() == 1);
207	–	p.setParallelism(2);
208	–	assertTrue(p.getParallelism() == 2);
209	–	} finally {
210	–	joinPool(p);
211	–	}
212	–	}
213	–
214	–	/**
215	–	* setParallelism with argument <= 0 throws exception
216	–	*/
217	–	public void testSetParallelism2() {
218	–	ForkJoinPool p = null;
219	–	try {
220	–	p = new ForkJoinPool(1);
221	–	assertTrue(p.getParallelism() == 1);
222	–	p.setParallelism(-2);
223	–	shouldThrow();
224	–	} catch (IllegalArgumentException success) {
225	–	} finally {
226	–	joinPool(p);
227	–	}
228	–	}
229	–
230	–	/**
214		* getPoolSize returns number of started workers.
215		*/
216		public void testGetPoolSize() {
217		ForkJoinPool p = null;
218		try {
219		p = new ForkJoinPool(1);
220	<	assertTrue(p.getPoolSize() == 0);
220	>	assertTrue(p.getActiveThreadCount() == 0);
221		Future<String> future = p.submit(new StringTask());
222		assertTrue(p.getPoolSize() == 1);
223
#	Line 244 | Line 227 | public class ForkJoinPoolTest extends JS
227		}
228
229		/**
247	–	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
248	–	*/
249	–	public void testSetMaximumPoolSize() {
250	–	ForkJoinPool p = null;
251	–	try {
252	–	p = new ForkJoinPool(1);
253	–	p.setMaximumPoolSize(2);
254	–	assertTrue(p.getMaximumPoolSize() == 2);
255	–	} finally {
256	–	joinPool(p);
257	–	}
258	–	}
259	–
260	–	/**
261	–	* setMaximumPoolSize with argument <= 0 throws exception
262	–	*/
263	–	public void testSetMaximumPoolSize2() {
264	–	ForkJoinPool p = null;
265	–	try {
266	–	p = new ForkJoinPool(1);
267	–	p.setMaximumPoolSize(-2);
268	–	shouldThrow();
269	–	} catch (IllegalArgumentException success) {
270	–	} finally {
271	–	joinPool(p);
272	–	}
273	–	}
274	–
275	–	/**
276	–	* setMaintainsParallelism changes policy reported by
277	–	* getMaintainsParallelism.
278	–	*/
279	–	public void testSetMaintainsParallelism() {
280	–	ForkJoinPool p = null;
281	–	try {
282	–	p = new ForkJoinPool(1);
283	–	p.setMaintainsParallelism(false);
284	–	assertFalse(p.getMaintainsParallelism());
285	–	} finally {
286	–	joinPool(p);
287	–	}
288	–	}
289	–
290	–	/**
291	–	* setAsyncMode changes policy reported by
292	–	* getAsyncMode.
293	–	*/
294	–	public void testSetAsyncMode() {
295	–	ForkJoinPool p = null;
296	–	try {
297	–	p = new ForkJoinPool(1);
298	–	p.setAsyncMode(true);
299	–	assertTrue(p.getAsyncMode());
300	–	} finally {
301	–	joinPool(p);
302	–	}
303	–	}
304	–
305	–	/**
230		* setUncaughtExceptionHandler changes handler for uncaught exceptions.
231		*
232		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
233		* performs its defined action
234		*/
235	<	public void testSetUncaughtExceptionHandler() {
235	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
236		ForkJoinPool p = null;
237		try {
314	–	p = new ForkJoinPool(1, new FailingThreadFactory());
238		MyHandler eh = new MyHandler();
239	<	p.setUncaughtExceptionHandler(eh);
240	<	assertEquals(eh, p.getUncaughtExceptionHandler());
239	>	p = new ForkJoinPool(1, new FailingThreadFactory(), eh, false);
240	>	assert(eh == p.getUncaughtExceptionHandler());
241		p.execute(new FailingTask());
242		Thread.sleep(MEDIUM_DELAY_MS);
243		assertTrue(eh.catches > 0);
321	–	} catch (InterruptedException e) {
322	–	unexpectedException();
244		} finally {
245	+	p.shutdownNow();
246		joinPool(p);
247		}
248		}
249
250		/**
329	–	* setUncaughtExceptionHandler of null removes handler
330	–	*/
331	–	public void testSetUncaughtExceptionHandler2() {
332	–	ForkJoinPool p = null;
333	–	try {
334	–	p = new ForkJoinPool(1);
335	–	p.setUncaughtExceptionHandler(null);
336	–	assertNull(p.getUncaughtExceptionHandler());
337	–	} finally {
338	–	joinPool(p);
339	–	}
340	–	}
341	–
342	–
343	–	/**
251		* After invoking a single task, isQuiescent is true,
252		* queues are empty, threads are not active, and
253		* construction parameters continue to hold
254		*/
255	<	public void testisQuiescent() {
255	>	public void testisQuiescent() throws InterruptedException {
256		ForkJoinPool p = null;
257		try {
258		p = new ForkJoinPool(2);
259		p.invoke(new FibTask(20));
260	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
260	>	assertTrue(p.getFactory() ==
261	>	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
262		Thread.sleep(MEDIUM_DELAY_MS);
263		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
264		assertFalse(p.getAsyncMode());
265		assertTrue(p.getActiveThreadCount() == 0);
266		assertTrue(p.getQueuedTaskCount() == 0);
#	Line 362 | Line 269 | public class ForkJoinPoolTest extends JS
269		assertFalse(p.isShutdown());
270		assertFalse(p.isTerminating());
271		assertFalse(p.isTerminated());
365	–	} catch (InterruptedException e) {
366	–	unexpectedException();
272		} finally {
273		joinPool(p);
274		}
#	Line 372 | Line 277 | public class ForkJoinPoolTest extends JS
277		/**
278		* Completed submit(ForkJoinTask) returns result
279		*/
280	<	public void testSubmitForkJoinTask() {
280	>	public void testSubmitForkJoinTask() throws Throwable {
281		ForkJoinPool p = null;
282		try {
283		p = new ForkJoinPool(1);
284		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
285		int r = f.get();
286		assertTrue(r == 21);
382	–	} catch (ExecutionException ex) {
383	–	unexpectedException();
384	–	} catch (InterruptedException ex) {
385	–	unexpectedException();
287		} finally {
288		joinPool(p);
289		}
#	Line 408 | Line 309 | public class ForkJoinPoolTest extends JS
309		/**
310		* Pool maintains parallelism when using ManagedBlocker
311		*/
312	<	public void testBlockingForkJoinTask() {
312	>	public void testBlockingForkJoinTask() throws Throwable {
313		ForkJoinPool p = null;
314		try {
315		p = new ForkJoinPool(4);
#	Line 416 | Line 317 | public class ForkJoinPoolTest extends JS
317		ManagedLocker locker = new ManagedLocker(lock);
318		ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
319		p.execute(f);
419	–	assertTrue(p.getPoolSize() >= 4);
320		int r = f.get();
321	<	assertTrue(r ==  832040);
422	<	} catch (ExecutionException ex) {
423	<	unexpectedException();
424	<	} catch (InterruptedException ex) {
425	<	unexpectedException();
321	>	assertTrue(r == 832040);
322		} finally {
323	<	joinPool(p);
323	>	p.shutdownNow(); // don't wait out shutdown
324		}
325		}
326
#	Line 474 | Line 370 | public class ForkJoinPoolTest extends JS
370		/**
371		* execute(runnable) runs it to completion
372		*/
373	<	public void testExecuteRunnable() {
374	<	try {
375	<	ExecutorService e = new ForkJoinPool(1);
376	<	TrackedShortRunnable task = new TrackedShortRunnable();
377	<	assertFalse(task.done);
378	<	Future<?> future = e.submit(task);
379	<	future.get();
484	<	assertTrue(task.done);
485	<	}
486	<	catch (ExecutionException ex) {
487	<	unexpectedException();
488	<	}
489	<	catch (InterruptedException ex) {
490	<	unexpectedException();
491	<	}
373	>	public void testExecuteRunnable() throws Throwable {
374	>	ExecutorService e = new ForkJoinPool(1);
375	>	TrackedShortRunnable task = new TrackedShortRunnable();
376	>	assertFalse(task.done);
377	>	Future<?> future = e.submit(task);
378	>	future.get();
379	>	assertTrue(task.done);
380		}
381
382
383		/**
384		* Completed submit(callable) returns result
385		*/
386	<	public void testSubmitCallable() {
387	<	try {
388	<	ExecutorService e = new ForkJoinPool(1);
389	<	Future<String> future = e.submit(new StringTask());
390	<	String result = future.get();
503	<	assertSame(TEST_STRING, result);
504	<	}
505	<	catch (ExecutionException ex) {
506	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
510	<	}
386	>	public void testSubmitCallable() throws Throwable {
387	>	ExecutorService e = new ForkJoinPool(1);
388	>	Future<String> future = e.submit(new StringTask());
389	>	String result = future.get();
390	>	assertSame(TEST_STRING, result);
391		}
392
393		/**
394		* Completed submit(runnable) returns successfully
395		*/
396	<	public void testSubmitRunnable() {
397	<	try {
398	<	ExecutorService e = new ForkJoinPool(1);
399	<	Future<?> future = e.submit(new NoOpRunnable());
400	<	future.get();
521	<	assertTrue(future.isDone());
522	<	}
523	<	catch (ExecutionException ex) {
524	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
528	<	}
396	>	public void testSubmitRunnable() throws Throwable {
397	>	ExecutorService e = new ForkJoinPool(1);
398	>	Future<?> future = e.submit(new NoOpRunnable());
399	>	future.get();
400	>	assertTrue(future.isDone());
401		}
402
403		/**
404		* Completed submit(runnable, result) returns result
405		*/
406	<	public void testSubmitRunnable2() {
407	<	try {
408	<	ExecutorService e = new ForkJoinPool(1);
409	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
410	<	String result = future.get();
539	<	assertSame(TEST_STRING, result);
540	<	}
541	<	catch (ExecutionException ex) {
542	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
546	<	}
406	>	public void testSubmitRunnable2() throws Throwable {
407	>	ExecutorService e = new ForkJoinPool(1);
408	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
409	>	String result = future.get();
410	>	assertSame(TEST_STRING, result);
411		}
412
413
414		/**
415		* A submitted privileged action to completion
416		*/
417	<	public void testSubmitPrivilegedAction() {
417	>	public void testSubmitPrivilegedAction() throws Throwable {
418		Policy savedPolicy = null;
419		try {
420		savedPolicy = Policy.getPolicy();
#	Line 571 | Line 435 | public class ForkJoinPoolTest extends JS
435		Object result = future.get();
436		assertSame(TEST_STRING, result);
437		}
574	–	catch (ExecutionException ex) {
575	–	unexpectedException();
576	–	}
577	–	catch (InterruptedException ex) {
578	–	unexpectedException();
579	–	}
438		finally {
439	<	try {
582	<	Policy.setPolicy(savedPolicy);
583	<	} catch (AccessControlException ok) {
584	<	return;
585	<	}
439	>	Policy.setPolicy(savedPolicy);
440		}
441		}
442
443		/**
444		* A submitted a privileged exception action runs to completion
445		*/
446	<	public void testSubmitPrivilegedExceptionAction() {
446	>	public void testSubmitPrivilegedExceptionAction() throws Throwable {
447		Policy savedPolicy = null;
448		try {
449		savedPolicy = Policy.getPolicy();
#	Line 611 | Line 465 | public class ForkJoinPoolTest extends JS
465		Object result = future.get();
466		assertSame(TEST_STRING, result);
467		}
614	–	catch (ExecutionException ex) {
615	–	unexpectedException();
616	–	}
617	–	catch (InterruptedException ex) {
618	–	unexpectedException();
619	–	}
468		finally {
469		Policy.setPolicy(savedPolicy);
470		}
#	Line 625 | Line 473 | public class ForkJoinPoolTest extends JS
473		/**
474		* A submitted failed privileged exception action reports exception
475		*/
476	<	public void testSubmitFailedPrivilegedExceptionAction() {
476	>	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
477		Policy savedPolicy = null;
478		try {
479		savedPolicy = Policy.getPolicy();
#	Line 647 | Line 495 | public class ForkJoinPoolTest extends JS
495
496		Object result = future.get();
497		shouldThrow();
498	<	}
499	<	catch (ExecutionException success) {
500	<	} catch (CancellationException success) {
653	<	} catch (InterruptedException ex) {
654	<	unexpectedException();
655	<	}
656	<	finally {
498	>	} catch (ExecutionException success) {
499	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
500	>	} finally {
501		Policy.setPolicy(savedPolicy);
502		}
503		}
504
505		/**
506	<	* execute(null runnable) throws NPE
506	>	* execute(null runnable) throws NullPointerException
507		*/
508		public void testExecuteNullRunnable() {
509		try {
#	Line 667 | Line 511 | public class ForkJoinPoolTest extends JS
511		TrackedShortRunnable task = null;
512		Future<?> future = e.submit(task);
513		shouldThrow();
514	<	}
671	<	catch (NullPointerException success) {
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
675	<	}
514	>	} catch (NullPointerException success) {}
515		}
516
517
518		/**
519	<	* submit(null callable) throws NPE
519	>	* submit(null callable) throws NullPointerException
520		*/
521		public void testSubmitNullCallable() {
522		try {
#	Line 685 | Line 524 | public class ForkJoinPoolTest extends JS
524		StringTask t = null;
525		Future<String> future = e.submit(t);
526		shouldThrow();
527	<	}
689	<	catch (NullPointerException success) {
690	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
693	<	}
527	>	} catch (NullPointerException success) {}
528		}
529
530
531		/**
532	<	*  Blocking on submit(callable) throws InterruptedException if
533	<	*  caller interrupted.
532	>	* Blocking on submit(callable) throws InterruptedException if
533	>	* caller interrupted.
534		*/
535	<	public void testInterruptedSubmit() {
535	>	public void testInterruptedSubmit() throws InterruptedException {
536		final ForkJoinPool p = new ForkJoinPool(1);
537	<	Thread t = new Thread(new Runnable() {
538	<	public void run() {
539	<	try {
540	<	p.submit(new Callable<Object>() {
541	<	public Object call() {
542	<	try {
543	<	Thread.sleep(MEDIUM_DELAY_MS);
544	<	shouldThrow();
545	<	} catch (InterruptedException e) {
546	<	}
547	<	return null;
548	<	}
549	<	}).get();
550	<	} catch (InterruptedException success) {
551	<	} catch (Exception e) {
552	<	unexpectedException();
553	<	}
554	<
721	<	}
722	<	});
723	<	try {
724	<	t.start();
725	<	Thread.sleep(SHORT_DELAY_MS);
726	<	t.interrupt();
727	<	} catch (Exception e) {
728	<	unexpectedException();
729	<	}
537	>
538	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
539	>	public void realRun() throws Throwable {
540	>	p.submit(new CheckedCallable<Object>() {
541	>	public Object realCall() throws Throwable {
542	>	try {
543	>	Thread.sleep(MEDIUM_DELAY_MS);
544	>	} catch (InterruptedException ok) {
545	>	}
546	>	return null;
547	>	}}).get();
548	>	}});
549	>
550	>	t.start();
551	>	Thread.sleep(SHORT_DELAY_MS);
552	>	t.interrupt();
553	>	t.join();
554	>	p.shutdownNow();
555		joinPool(p);
556		}
557
558		/**
559	<	*  get of submit(callable) throws ExecutionException if callable
560	<	*  throws exception
559	>	* get of submit(callable) throws ExecutionException if callable
560	>	* throws exception
561		*/
562	<	public void testSubmitEE() {
562	>	public void testSubmitEE() throws Throwable {
563		ForkJoinPool p = new ForkJoinPool(1);
739	–
564		try {
565	<	Callable c = new Callable() {
566	<	public Object call() {
567	<	int i = 5/0;
568	<	return Boolean.TRUE;
569	<	}
746	<	};
747	<
748	<	for (int i = 0; i < 5; i++) {
749	<	p.submit(c).get();
750	<	}
751	<
565	>	p.submit(new Callable() {
566	>	public Object call() {
567	>	int i = 5/0;
568	>	return Boolean.TRUE;
569	>	}}).get();
570		shouldThrow();
571		} catch (ExecutionException success) {
572	<	} catch (CancellationException success) {
755	<	} catch (Exception e) {
756	<	unexpectedException();
572	>	assertTrue(success.getCause() instanceof ArithmeticException);
573		}
574	+
575		joinPool(p);
576		}
577
578		/**
579	<	* invokeAny(null) throws NPE
579	>	* invokeAny(null) throws NullPointerException
580		*/
581	<	public void testInvokeAny1() {
581	>	public void testInvokeAny1() throws Throwable {
582		ExecutorService e = new ForkJoinPool(1);
583		try {
584		e.invokeAny(null);
585	+	shouldThrow();
586		} catch (NullPointerException success) {
769	–	} catch (Exception ex) {
770	–	unexpectedException();
587		} finally {
588		joinPool(e);
589		}
590		}
591
592		/**
593	<	* invokeAny(empty collection) throws IAE
593	>	* invokeAny(empty collection) throws IllegalArgumentException
594		*/
595	<	public void testInvokeAny2() {
595	>	public void testInvokeAny2() throws Throwable {
596		ExecutorService e = new ForkJoinPool(1);
597		try {
598		e.invokeAny(new ArrayList<Callable<String>>());
599	+	shouldThrow();
600		} catch (IllegalArgumentException success) {
784	–	} catch (Exception ex) {
785	–	unexpectedException();
601		} finally {
602		joinPool(e);
603		}
604		}
605
606		/**
607	<	* invokeAny(c) throws NPE if c has null elements
607	>	* invokeAny(c) throws NullPointerException if c has a single null element
608		*/
609	<	public void testInvokeAny3() {
609	>	public void testInvokeAny3() throws Throwable {
610		ExecutorService e = new ForkJoinPool(1);
611	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
612	+	l.add(null);
613		try {
797	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
798	–	l.add(new StringTask());
799	–	l.add(null);
614		e.invokeAny(l);
615	+	shouldThrow();
616		} catch (NullPointerException success) {
802	–	} catch (Exception ex) {
803	–	ex.printStackTrace();
804	–	unexpectedException();
617		} finally {
618		joinPool(e);
619		}
620		}
621
622		/**
623	+	* invokeAny(c) throws NullPointerException if c has null elements
624	+	*/
625	+	public void testInvokeAny4() throws Throwable {
626	+	CountDownLatch latch = new CountDownLatch(1);
627	+	ExecutorService e = new ForkJoinPool(1);
628	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
629	+	l.add(latchAwaitingStringTask(latch));
630	+	l.add(null);
631	+	try {
632	+	e.invokeAny(l);
633	+	shouldThrow();
634	+	} catch (NullPointerException success) {
635	+	} finally {
636	+	latch.countDown();
637	+	joinPool(e);
638	+	}
639	+	}
640	+
641	+	/**
642		* invokeAny(c) throws ExecutionException if no task in c completes
643		*/
644	<	public void testInvokeAny4() {
644	>	public void testInvokeAny5() throws Throwable {
645		ExecutorService e = new ForkJoinPool(1);
646	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
647	+	l.add(new NPETask());
648		try {
816	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
817	–	l.add(new NPETask());
649		e.invokeAny(l);
650	+	shouldThrow();
651		} catch (ExecutionException success) {
652	<	} catch (CancellationException success) {
821	<	} catch (Exception ex) {
822	<	unexpectedException();
652	>	assertTrue(success.getCause() instanceof NullPointerException);
653		} finally {
654		joinPool(e);
655		}
#	Line 828 | Line 658 | public class ForkJoinPoolTest extends JS
658		/**
659		* invokeAny(c) returns result of some task in c if at least one completes
660		*/
661	<	public void testInvokeAny5() {
661	>	public void testInvokeAny6() throws Throwable {
662		ExecutorService e = new ForkJoinPool(1);
663		try {
664	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
664	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
665		l.add(new StringTask());
666		l.add(new StringTask());
667		String result = e.invokeAny(l);
668		assertSame(TEST_STRING, result);
839	–	} catch (ExecutionException success) {
840	–	} catch (CancellationException success) {
841	–	} catch (Exception ex) {
842	–	unexpectedException();
669		} finally {
670		joinPool(e);
671		}
672		}
673
674		/**
675	<	* invokeAll(null) throws NPE
675	>	* invokeAll(null) throws NullPointerException
676		*/
677	<	public void testInvokeAll1() {
677	>	public void testInvokeAll1() throws Throwable {
678		ExecutorService e = new ForkJoinPool(1);
679		try {
680		e.invokeAll(null);
681	+	shouldThrow();
682		} catch (NullPointerException success) {
856	–	} catch (Exception ex) {
857	–	unexpectedException();
683		} finally {
684		joinPool(e);
685		}
#	Line 863 | Line 688 | public class ForkJoinPoolTest extends JS
688		/**
689		* invokeAll(empty collection) returns empty collection
690		*/
691	<	public void testInvokeAll2() {
691	>	public void testInvokeAll2() throws InterruptedException {
692		ExecutorService e = new ForkJoinPool(1);
693		try {
694	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
694	>	List<Future<String>> r
695	>	= e.invokeAll(new ArrayList<Callable<String>>());
696		assertTrue(r.isEmpty());
871	–	} catch (Exception ex) {
872	–	unexpectedException();
697		} finally {
698		joinPool(e);
699		}
700		}
701
702		/**
703	<	* invokeAll(c) throws NPE if c has null elements
703	>	* invokeAll(c) throws NullPointerException if c has null elements
704		*/
705	<	public void testInvokeAll3() {
705	>	public void testInvokeAll3() throws InterruptedException {
706		ExecutorService e = new ForkJoinPool(1);
707	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
708	+	l.add(new StringTask());
709	+	l.add(null);
710		try {
884	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
885	–	l.add(new StringTask());
886	–	l.add(null);
711		e.invokeAll(l);
712	+	shouldThrow();
713		} catch (NullPointerException success) {
889	–	} catch (Exception ex) {
890	–	unexpectedException();
714		} finally {
715		joinPool(e);
716		}
717		}
718
719		/**
720	<	* get of returned element of invokeAll(c) throws exception on failed task
720	>	* get of returned element of invokeAll(c) throws
721	>	* ExecutionException on failed task
722		*/
723	<	public void testInvokeAll4() {
723	>	public void testInvokeAll4() throws Throwable {
724		ExecutorService e = new ForkJoinPool(1);
725	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
726	+	l.add(new NPETask());
727	+	List<Future<String>> futures = e.invokeAll(l);
728	+	assertEquals(1, futures.size());
729		try {
730	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
731	<	l.add(new NPETask());
904	<	List<Future<String>> result = e.invokeAll(l);
905	<	assertEquals(1, result.size());
906	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
907	<	it.next().get();
730	>	futures.get(0).get();
731	>	shouldThrow();
732		} catch (ExecutionException success) {
733	<	} catch (CancellationException success) {
910	<	} catch (Exception ex) {
911	<	ex.printStackTrace();
912	<	unexpectedException();
733	>	assertTrue(success.getCause() instanceof NullPointerException);
734		} finally {
735		joinPool(e);
736		}
#	Line 918 | Line 739 | public class ForkJoinPoolTest extends JS
739		/**
740		* invokeAll(c) returns results of all completed tasks in c
741		*/
742	<	public void testInvokeAll5() {
742	>	public void testInvokeAll5() throws Throwable {
743		ExecutorService e = new ForkJoinPool(1);
744		try {
745	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
745	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
746		l.add(new StringTask());
747		l.add(new StringTask());
748	<	List<Future<String>> result = e.invokeAll(l);
749	<	assertEquals(2, result.size());
750	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
751	<	assertSame(TEST_STRING, it.next().get());
931	<	} catch (ExecutionException success) {
932	<	} catch (CancellationException success) {
933	<	} catch (Exception ex) {
934	<	ex.printStackTrace();
935	<	unexpectedException();
748	>	List<Future<String>> futures = e.invokeAll(l);
749	>	assertEquals(2, futures.size());
750	>	for (Future<String> future : futures)
751	>	assertSame(TEST_STRING, future.get());
752		} finally {
753		joinPool(e);
754		}
#	Line 940 | Line 756 | public class ForkJoinPoolTest extends JS
756
757
758		/**
759	<	* timed invokeAny(null) throws NPE
759	>	* timed invokeAny(null) throws NullPointerException
760		*/
761	<	public void testTimedInvokeAny1() {
761	>	public void testTimedInvokeAny1() throws Throwable {
762		ExecutorService e = new ForkJoinPool(1);
763		try {
764		e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
765	+	shouldThrow();
766		} catch (NullPointerException success) {
950	–	} catch (Exception ex) {
951	–	ex.printStackTrace();
952	–	unexpectedException();
767		} finally {
768		joinPool(e);
769		}
770		}
771
772		/**
773	<	* timed invokeAny(null time unit) throws NPE
773	>	* timed invokeAny(null time unit) throws NullPointerException
774		*/
775	<	public void testTimedInvokeAnyNullTimeUnit() {
775	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
776		ExecutorService e = new ForkJoinPool(1);
777	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
778	+	l.add(new StringTask());
779		try {
964	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
965	–	l.add(new StringTask());
780		e.invokeAny(l, MEDIUM_DELAY_MS, null);
781	+	shouldThrow();
782		} catch (NullPointerException success) {
968	–	} catch (Exception ex) {
969	–	ex.printStackTrace();
970	–	unexpectedException();
783		} finally {
784		joinPool(e);
785		}
786		}
787
788		/**
789	<	* timed invokeAny(empty collection) throws IAE
789	>	* timed invokeAny(empty collection) throws IllegalArgumentException
790		*/
791	<	public void testTimedInvokeAny2() {
791	>	public void testTimedInvokeAny2() throws Throwable {
792		ExecutorService e = new ForkJoinPool(1);
793		try {
794	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
794	>	e.invokeAny(new ArrayList<Callable<String>>(),
795	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
796	>	shouldThrow();
797		} catch (IllegalArgumentException success) {
984	–	} catch (Exception ex) {
985	–	ex.printStackTrace();
986	–	unexpectedException();
798		} finally {
799		joinPool(e);
800		}
801		}
802
803		/**
804	<	* timed invokeAny(c) throws NPE if c has null elements
804	>	* timed invokeAny(c) throws NullPointerException if c has null elements
805		*/
806	<	public void testTimedInvokeAny3() {
806	>	public void testTimedInvokeAny3() throws Throwable {
807	>	CountDownLatch latch = new CountDownLatch(1);
808		ExecutorService e = new ForkJoinPool(1);
809	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
810	+	l.add(latchAwaitingStringTask(latch));
811	+	l.add(null);
812		try {
998	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
999	–	l.add(new StringTask());
1000	–	l.add(null);
813		e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
814	+	shouldThrow();
815		} catch (NullPointerException success) {
1003	–	} catch (Exception ex) {
1004	–	ex.printStackTrace();
1005	–	unexpectedException();
816		} finally {
817	+	latch.countDown();
818		joinPool(e);
819		}
820		}
#	Line 1011 | Line 822 | public class ForkJoinPoolTest extends JS
822		/**
823		* timed invokeAny(c) throws ExecutionException if no task completes
824		*/
825	<	public void testTimedInvokeAny4() {
825	>	public void testTimedInvokeAny4() throws Throwable {
826		ExecutorService e = new ForkJoinPool(1);
827	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
828	+	l.add(new NPETask());
829		try {
1017	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1018	–	l.add(new NPETask());
830		e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
831	+	shouldThrow();
832		} catch (ExecutionException success) {
833	<	} catch (CancellationException success) {
1022	<	} catch (Exception ex) {
1023	<	ex.printStackTrace();
1024	<	unexpectedException();
833	>	assertTrue(success.getCause() instanceof NullPointerException);
834		} finally {
835		joinPool(e);
836		}
#	Line 1030 | Line 839 | public class ForkJoinPoolTest extends JS
839		/**
840		* timed invokeAny(c) returns result of some task in c
841		*/
842	<	public void testTimedInvokeAny5() {
842	>	public void testTimedInvokeAny5() throws Throwable {
843		ExecutorService e = new ForkJoinPool(1);
844		try {
845	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
845	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
846		l.add(new StringTask());
847		l.add(new StringTask());
848		String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
849		assertSame(TEST_STRING, result);
1041	–	} catch (ExecutionException success) {
1042	–	} catch (CancellationException success) {
1043	–	} catch (Exception ex) {
1044	–	ex.printStackTrace();
1045	–	unexpectedException();
850		} finally {
851		joinPool(e);
852		}
853		}
854
855		/**
856	<	* timed invokeAll(null) throws NPE
856	>	* timed invokeAll(null) throws NullPointerException
857		*/
858	<	public void testTimedInvokeAll1() {
858	>	public void testTimedInvokeAll1() throws Throwable {
859		ExecutorService e = new ForkJoinPool(1);
860		try {
861		e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
862	+	shouldThrow();
863		} catch (NullPointerException success) {
1059	–	} catch (Exception ex) {
1060	–	ex.printStackTrace();
1061	–	unexpectedException();
864		} finally {
865		joinPool(e);
866		}
867		}
868
869		/**
870	<	* timed invokeAll(null time unit) throws NPE
870	>	* timed invokeAll(null time unit) throws NullPointerException
871		*/
872	<	public void testTimedInvokeAllNullTimeUnit() {
872	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
873		ExecutorService e = new ForkJoinPool(1);
874	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
875	+	l.add(new StringTask());
876		try {
1073	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1074	–	l.add(new StringTask());
877		e.invokeAll(l, MEDIUM_DELAY_MS, null);
878	+	shouldThrow();
879		} catch (NullPointerException success) {
1077	–	} catch (Exception ex) {
1078	–	ex.printStackTrace();
1079	–	unexpectedException();
880		} finally {
881		joinPool(e);
882		}
#	Line 1085 | Line 885 | public class ForkJoinPoolTest extends JS
885		/**
886		* timed invokeAll(empty collection) returns empty collection
887		*/
888	<	public void testTimedInvokeAll2() {
888	>	public void testTimedInvokeAll2() throws InterruptedException {
889		ExecutorService e = new ForkJoinPool(1);
890		try {
891	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
891	>	List<Future<String>> r
892	>	= e.invokeAll(new ArrayList<Callable<String>>(),
893	>	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
894		assertTrue(r.isEmpty());
1093	–	} catch (Exception ex) {
1094	–	ex.printStackTrace();
1095	–	unexpectedException();
895		} finally {
896		joinPool(e);
897		}
898		}
899
900		/**
901	<	* timed invokeAll(c) throws NPE if c has null elements
901	>	* timed invokeAll(c) throws NullPointerException if c has null elements
902		*/
903	<	public void testTimedInvokeAll3() {
903	>	public void testTimedInvokeAll3() throws InterruptedException {
904		ExecutorService e = new ForkJoinPool(1);
905	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
906	+	l.add(new StringTask());
907	+	l.add(null);
908		try {
1107	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1108	–	l.add(new StringTask());
1109	–	l.add(null);
909		e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
910	+	shouldThrow();
911		} catch (NullPointerException success) {
1112	–	} catch (Exception ex) {
1113	–	ex.printStackTrace();
1114	–	unexpectedException();
912		} finally {
913		joinPool(e);
914		}
#	Line 1120 | Line 917 | public class ForkJoinPoolTest extends JS
917		/**
918		* get of returned element of invokeAll(c) throws exception on failed task
919		*/
920	<	public void testTimedInvokeAll4() {
920	>	public void testTimedInvokeAll4() throws Throwable {
921		ExecutorService e = new ForkJoinPool(1);
922	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
923	+	l.add(new NPETask());
924	+	List<Future<String>> futures
925	+	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
926	+	assertEquals(1, futures.size());
927		try {
928	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
929	<	l.add(new NPETask());
1128	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1129	<	assertEquals(1, result.size());
1130	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1131	<	it.next().get();
928	>	futures.get(0).get();
929	>	shouldThrow();
930		} catch (ExecutionException success) {
931	<	} catch (CancellationException success) {
1134	<	} catch (Exception ex) {
1135	<	ex.printStackTrace();
1136	<	unexpectedException();
931	>	assertTrue(success.getCause() instanceof NullPointerException);
932		} finally {
933		joinPool(e);
934		}
#	Line 1142 | Line 937 | public class ForkJoinPoolTest extends JS
937		/**
938		* timed invokeAll(c) returns results of all completed tasks in c
939		*/
940	<	public void testTimedInvokeAll5() {
940	>	public void testTimedInvokeAll5() throws Throwable {
941		ExecutorService e = new ForkJoinPool(1);
942		try {
943	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
943	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
944		l.add(new StringTask());
945		l.add(new StringTask());
946	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
947	<	assertEquals(2, result.size());
948	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
949	<	assertSame(TEST_STRING, it.next().get());
950	<	} catch (ExecutionException success) {
1156	<	} catch (CancellationException success) {
1157	<	} catch (Exception ex) {
1158	<	ex.printStackTrace();
1159	<	unexpectedException();
946	>	List<Future<String>> futures
947	>	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
948	>	assertEquals(2, futures.size());
949	>	for (Future<String> future : futures)
950	>	assertSame(TEST_STRING, future.get());
951		} finally {
952		joinPool(e);
953		}

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