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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.47 by jsr166, Mon Jan 14 22:05:39 2013 UTC vs.
Revision 1.73 by jsr166, Sat Mar 25 21:41:10 2017 UTC

#	Line 4 | Line 4
4		* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9	>
10	>	import java.security.PrivilegedAction;
11	>	import java.security.PrivilegedExceptionAction;
12		import java.util.ArrayList;
13		import java.util.Collection;
14		import java.util.List;
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;
16	>	import java.util.concurrent.CountDownLatch;
17		import java.util.concurrent.ExecutionException;
18	<	import java.util.concurrent.CancellationException;
19	<	import java.util.concurrent.RejectedExecutionException;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20		import java.util.concurrent.ForkJoinPool;
21		import java.util.concurrent.ForkJoinTask;
22		import java.util.concurrent.ForkJoinWorkerThread;
23	+	import java.util.concurrent.Future;
24		import java.util.concurrent.RecursiveTask;
25	<	import java.util.concurrent.TimeUnit;
25	>	import java.util.concurrent.RejectedExecutionException;
26		import java.util.concurrent.atomic.AtomicBoolean;
27	+	import java.util.concurrent.atomic.AtomicInteger;
28		import java.util.concurrent.locks.ReentrantLock;
29	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
30	<	import java.security.AccessControlException;
31	<	import java.security.Policy;
32	<	import java.security.PrivilegedAction;
31	<	import java.security.PrivilegedExceptionAction;
29	>
30	>	import junit.framework.AssertionFailedError;
31	>	import junit.framework.Test;
32	>	import junit.framework.TestSuite;
33
34		public class ForkJoinPoolTest extends JSR166TestCase {
35		public static void main(String[] args) {
36	<	junit.textui.TestRunner.run(suite());
36	>	main(suite(), args);
37		}
38
39		public static Test suite() {
40		return new TestSuite(ForkJoinPoolTest.class);
41		}
42
43	<	/**
43	>	/*
44		* Testing coverage notes:
45		*
46		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 57 | Line 58 | public class ForkJoinPoolTest extends JS
58
59		// Some classes to test extension and factory methods
60
61	<	static class MyHandler implements Thread.UncaughtExceptionHandler {
61	<	volatile int catches = 0;
62	<	public void uncaughtException(Thread t, Throwable e) {
63	<	++catches;
64	<	}
65	<	}
61	>	static class MyError extends Error {}
62
63		// to test handlers
64		static class FailingFJWSubclass extends ForkJoinWorkerThread {
65		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
66	<	protected void onStart() { super.onStart(); throw new Error(); }
66	>	protected void onStart() { super.onStart(); throw new MyError(); }
67		}
68
69		static class FailingThreadFactory
70		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
71	<	volatile int calls = 0;
71	>	final AtomicInteger calls = new AtomicInteger(0);
72		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
73	<	if (++calls > 1) return null;
73	>	if (calls.incrementAndGet() > 1) return null;
74		return new FailingFJWSubclass(p);
75		}
76		}
#	Line 107 | Line 103 | public class ForkJoinPoolTest extends JS
103		static final class FibTask extends RecursiveTask<Integer> {
104		final int number;
105		FibTask(int n) { number = n; }
106	<	public Integer compute() {
106	>	protected Integer compute() {
107		int n = number;
108		if (n <= 1)
109		return n;
#	Line 135 | Line 131 | public class ForkJoinPoolTest extends JS
131		this.locker = locker;
132		this.lock = lock;
133		}
134	<	public Integer compute() {
134	>	protected Integer compute() {
135		int n;
136		LockingFibTask f1 = null;
137		LockingFibTask f2 = null;
#	Line 162 | Line 158 | public class ForkJoinPoolTest extends JS
158		*/
159		public void testDefaultInitialState() {
160		ForkJoinPool p = new ForkJoinPool(1);
161	<	try {
161	>	try (PoolCleaner cleaner = cleaner(p)) {
162		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
163		p.getFactory());
164		assertFalse(p.getAsyncMode());
#	Line 174 | Line 170 | public class ForkJoinPoolTest extends JS
170		assertFalse(p.isShutdown());
171		assertFalse(p.isTerminating());
172		assertFalse(p.isTerminated());
177	–	} finally {
178	–	joinPool(p);
173		}
174		}
175
#	Line 204 | Line 198 | public class ForkJoinPoolTest extends JS
198		*/
199		public void testGetParallelism() {
200		ForkJoinPool p = new ForkJoinPool(1);
201	<	try {
201	>	try (PoolCleaner cleaner = cleaner(p)) {
202		assertEquals(1, p.getParallelism());
209	–	} finally {
210	–	joinPool(p);
203		}
204		}
205
#	Line 215 | Line 207 | public class ForkJoinPoolTest extends JS
207		* getPoolSize returns number of started workers.
208		*/
209		public void testGetPoolSize() {
210	<	ForkJoinPool p = new ForkJoinPool(1);
211	<	try {
210	>	final CountDownLatch taskStarted = new CountDownLatch(1);
211	>	final CountDownLatch done = new CountDownLatch(1);
212	>	final ForkJoinPool p = new ForkJoinPool(1);
213	>	try (PoolCleaner cleaner = cleaner(p)) {
214		assertEquals(0, p.getActiveThreadCount());
215	<	Future<String> future = p.submit(new StringTask());
215	>	final Runnable task = new CheckedRunnable() {
216	>	public void realRun() throws InterruptedException {
217	>	taskStarted.countDown();
218	>	assertEquals(1, p.getPoolSize());
219	>	assertEquals(1, p.getActiveThreadCount());
220	>	await(done);
221	>	}};
222	>	Future<?> future = p.submit(task);
223	>	await(taskStarted);
224		assertEquals(1, p.getPoolSize());
225	<	} finally {
226	<	joinPool(p);
225	>	assertEquals(1, p.getActiveThreadCount());
226	>	done.countDown();
227	>	}
228	>	assertEquals(0, p.getPoolSize());
229	>	assertEquals(0, p.getActiveThreadCount());
230	>	}
231	>
232	>	/**
233	>	* awaitTermination on a non-shutdown pool times out
234	>	*/
235	>	public void testAwaitTermination_timesOut() throws InterruptedException {
236	>	ForkJoinPool p = new ForkJoinPool(1);
237	>	try (PoolCleaner cleaner = cleaner(p)) {
238	>	assertFalse(p.isTerminated());
239	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
240	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
241	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
242	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
243	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
244	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
245	>	long timeoutNanos = 999999L;
246	>	long startTime = System.nanoTime();
247	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
248	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
249	>	assertFalse(p.isTerminated());
250	>	startTime = System.nanoTime();
251	>	long timeoutMillis = timeoutMillis();
252	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
253	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
254	>	assertFalse(p.isTerminated());
255	>	p.shutdown();
256	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
257	>	assertTrue(p.isTerminated());
258		}
259		}
260
#	Line 233 | Line 266 | public class ForkJoinPoolTest extends JS
266		*/
267		public void testSetUncaughtExceptionHandler() throws InterruptedException {
268		final CountDownLatch uehInvoked = new CountDownLatch(1);
269	<	final Thread.UncaughtExceptionHandler eh =
269	>	final Thread.UncaughtExceptionHandler ueh =
270		new Thread.UncaughtExceptionHandler() {
271		public void uncaughtException(Thread t, Throwable e) {
272	+	threadAssertTrue(e instanceof MyError);
273	+	threadAssertTrue(t instanceof FailingFJWSubclass);
274		uehInvoked.countDown();
275		}};
276		ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
277	<	eh, false);
278	<	try {
279	<	assertSame(eh, p.getUncaughtExceptionHandler());
277	>	ueh, false);
278	>	try (PoolCleaner cleaner = cleaner(p)) {
279	>	assertSame(ueh, p.getUncaughtExceptionHandler());
280		try {
281		p.execute(new FibTask(8));
282	<	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
283	<	} catch (RejectedExecutionException ok) {
282	>	await(uehInvoked);
283	>	} finally {
284	>	p.shutdownNow(); // failure might have prevented processing task
285		}
250	–	} finally {
251	–	p.shutdownNow(); // failure might have prevented processing task
252	–	joinPool(p);
286		}
287		}
288
#	Line 261 | Line 294 | public class ForkJoinPoolTest extends JS
294		*/
295		public void testIsQuiescent() throws Exception {
296		ForkJoinPool p = new ForkJoinPool(2);
297	<	try {
297	>	try (PoolCleaner cleaner = cleaner(p)) {
298		assertTrue(p.isQuiescent());
299		long startTime = System.nanoTime();
300		FibTask f = new FibTask(20);
#	Line 280 | Line 313 | public class ForkJoinPoolTest extends JS
313
314		assertTrue(p.isQuiescent());
315		assertFalse(p.getAsyncMode());
283	–	assertEquals(0, p.getActiveThreadCount());
316		assertEquals(0, p.getQueuedTaskCount());
317		assertEquals(0, p.getQueuedSubmissionCount());
318		assertFalse(p.hasQueuedSubmissions());
319	+	while (p.getActiveThreadCount() != 0
320	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
321	+	Thread.yield();
322		assertFalse(p.isShutdown());
323		assertFalse(p.isTerminating());
324		assertFalse(p.isTerminated());
325		assertTrue(f.isDone());
326		assertEquals(6765, (int) f.get());
327	<	} finally {
293	<	joinPool(p);
327	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
328		}
329		}
330
#	Line 299 | Line 333 | public class ForkJoinPoolTest extends JS
333		*/
334		public void testSubmitForkJoinTask() throws Throwable {
335		ForkJoinPool p = new ForkJoinPool(1);
336	<	try {
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
338		assertEquals(21, (int) f.get());
305	–	} finally {
306	–	joinPool(p);
339		}
340		}
341
#	Line 312 | Line 344 | public class ForkJoinPoolTest extends JS
344		*/
345		public void testSubmitAfterShutdown() {
346		ForkJoinPool p = new ForkJoinPool(1);
347	<	try {
347	>	try (PoolCleaner cleaner = cleaner(p)) {
348		p.shutdown();
349		assertTrue(p.isShutdown());
350		try {
351		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
352		shouldThrow();
353		} catch (RejectedExecutionException success) {}
322	–	} finally {
323	–	joinPool(p);
354		}
355		}
356
#	Line 346 | Line 376 | public class ForkJoinPoolTest extends JS
376		public void testPollSubmission() {
377		final CountDownLatch done = new CountDownLatch(1);
378		SubFJP p = new SubFJP();
379	<	try {
379	>	try (PoolCleaner cleaner = cleaner(p)) {
380		ForkJoinTask a = p.submit(awaiter(done));
381		ForkJoinTask b = p.submit(awaiter(done));
382		ForkJoinTask c = p.submit(awaiter(done));
383		ForkJoinTask r = p.pollSubmission();
384		assertTrue(r == a || r == b || r == c);
385		assertFalse(r.isDone());
356	–	} finally {
386		done.countDown();
358	–	joinPool(p);
387		}
388		}
389
#	Line 365 | Line 393 | public class ForkJoinPoolTest extends JS
393		public void testDrainTasksTo() {
394		final CountDownLatch done = new CountDownLatch(1);
395		SubFJP p = new SubFJP();
396	<	try {
396	>	try (PoolCleaner cleaner = cleaner(p)) {
397		ForkJoinTask a = p.submit(awaiter(done));
398		ForkJoinTask b = p.submit(awaiter(done));
399		ForkJoinTask c = p.submit(awaiter(done));
#	Line 376 | Line 404 | public class ForkJoinPoolTest extends JS
404		assertTrue(r == a || r == b || r == c);
405		assertFalse(r.isDone());
406		}
379	–	} finally {
407		done.countDown();
381	–	joinPool(p);
408		}
409		}
410
#	Line 389 | Line 415 | public class ForkJoinPoolTest extends JS
415		*/
416		public void testExecuteRunnable() throws Throwable {
417		ExecutorService e = new ForkJoinPool(1);
418	<	try {
418	>	try (PoolCleaner cleaner = cleaner(e)) {
419		final AtomicBoolean done = new AtomicBoolean(false);
420	<	CheckedRunnable task = new CheckedRunnable() {
420	>	Future<?> future = e.submit(new CheckedRunnable() {
421		public void realRun() {
422		done.set(true);
423	<	}};
398	<	Future<?> future = e.submit(task);
423	>	}});
424		assertNull(future.get());
425		assertNull(future.get(0, MILLISECONDS));
426		assertTrue(done.get());
427		assertTrue(future.isDone());
428		assertFalse(future.isCancelled());
404	–	} finally {
405	–	joinPool(e);
429		}
430		}
431
#	Line 411 | Line 434 | public class ForkJoinPoolTest extends JS
434		*/
435		public void testSubmitCallable() throws Throwable {
436		ExecutorService e = new ForkJoinPool(1);
437	<	try {
437	>	try (PoolCleaner cleaner = cleaner(e)) {
438		Future<String> future = e.submit(new StringTask());
439		assertSame(TEST_STRING, future.get());
440		assertTrue(future.isDone());
441		assertFalse(future.isCancelled());
419	–	} finally {
420	–	joinPool(e);
442		}
443		}
444
#	Line 426 | Line 447 | public class ForkJoinPoolTest extends JS
447		*/
448		public void testSubmitRunnable() throws Throwable {
449		ExecutorService e = new ForkJoinPool(1);
450	<	try {
450	>	try (PoolCleaner cleaner = cleaner(e)) {
451		Future<?> future = e.submit(new NoOpRunnable());
452		assertNull(future.get());
453		assertTrue(future.isDone());
454		assertFalse(future.isCancelled());
434	–	} finally {
435	–	joinPool(e);
455		}
456		}
457
#	Line 441 | Line 460 | public class ForkJoinPoolTest extends JS
460		*/
461		public void testSubmitRunnable2() throws Throwable {
462		ExecutorService e = new ForkJoinPool(1);
463	<	try {
463	>	try (PoolCleaner cleaner = cleaner(e)) {
464		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
465		assertSame(TEST_STRING, future.get());
466		assertTrue(future.isDone());
467		assertFalse(future.isCancelled());
449	–	} finally {
450	–	joinPool(e);
468		}
469		}
470
#	Line 455 | Line 472 | public class ForkJoinPoolTest extends JS
472		* A submitted privileged action runs to completion
473		*/
474		public void testSubmitPrivilegedAction() throws Exception {
475	+	final Callable callable = Executors.callable(new PrivilegedAction() {
476	+	public Object run() { return TEST_STRING; }});
477		Runnable r = new CheckedRunnable() {
478	<	public void realRun() throws Exception {
479	<	ExecutorService e = new ForkJoinPool(1);
480	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
481	<	public Object run() {
463	<	return TEST_STRING;
464	<	}}));
465	<
478	>	public void realRun() throws Exception {
479	>	ExecutorService e = new ForkJoinPool(1);
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	Future future = e.submit(callable);
482		assertSame(TEST_STRING, future.get());
483	<	}};
483	>	}
484	>	}};
485
486	<	runWithPermissions(r,
470	<	new RuntimePermission("modifyThread"));
486	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
487		}
488
489		/**
490		* A submitted privileged exception action runs to completion
491		*/
492		public void testSubmitPrivilegedExceptionAction() throws Exception {
493	+	final Callable callable =
494	+	Executors.callable(new PrivilegedExceptionAction() {
495	+	public Object run() { return TEST_STRING; }});
496		Runnable r = new CheckedRunnable() {
497	<	public void realRun() throws Exception {
498	<	ExecutorService e = new ForkJoinPool(1);
499	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
500	<	public Object run() {
482	<	return TEST_STRING;
483	<	}}));
484	<
497	>	public void realRun() throws Exception {
498	>	ExecutorService e = new ForkJoinPool(1);
499	>	try (PoolCleaner cleaner = cleaner(e)) {
500	>	Future future = e.submit(callable);
501		assertSame(TEST_STRING, future.get());
502	<	}};
502	>	}
503	>	}};
504
505		runWithPermissions(r, new RuntimePermission("modifyThread"));
506		}
#	Line 492 | Line 509 | public class ForkJoinPoolTest extends JS
509		* A submitted failed privileged exception action reports exception
510		*/
511		public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
512	+	final Callable callable =
513	+	Executors.callable(new PrivilegedExceptionAction() {
514	+	public Object run() { throw new IndexOutOfBoundsException(); }});
515		Runnable r = new CheckedRunnable() {
516	<	public void realRun() throws Exception {
517	<	ExecutorService e = new ForkJoinPool(1);
518	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
519	<	public Object run() throws Exception {
500	<	throw new IndexOutOfBoundsException();
501	<	}}));
502	<
516	>	public void realRun() throws Exception {
517	>	ExecutorService e = new ForkJoinPool(1);
518	>	try (PoolCleaner cleaner = cleaner(e)) {
519	>	Future future = e.submit(callable);
520		try {
521		future.get();
522		shouldThrow();
523		} catch (ExecutionException success) {
524		assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
525	<	}}};
525	>	}
526	>	}
527	>	}};
528
529		runWithPermissions(r, new RuntimePermission("modifyThread"));
530		}
#	Line 515 | Line 534 | public class ForkJoinPoolTest extends JS
534		*/
535		public void testExecuteNullRunnable() {
536		ExecutorService e = new ForkJoinPool(1);
537	<	try {
538	<	Future<?> future = e.submit((Runnable) null);
539	<	shouldThrow();
540	<	} catch (NullPointerException success) {
541	<	} finally {
523	<	joinPool(e);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<?> future = e.submit((Runnable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
#	Line 529 | Line 547 | public class ForkJoinPoolTest extends JS
547		*/
548		public void testSubmitNullCallable() {
549		ExecutorService e = new ForkJoinPool(1);
550	<	try {
551	<	Future<String> future = e.submit((Callable) null);
552	<	shouldThrow();
553	<	} catch (NullPointerException success) {
554	<	} finally {
537	<	joinPool(e);
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	try {
552	>	Future<String> future = e.submit((Callable) null);
553	>	shouldThrow();
554	>	} catch (NullPointerException success) {}
555		}
556		}
557
#	Line 544 | Line 561 | public class ForkJoinPoolTest extends JS
561		public void testInterruptedSubmit() throws InterruptedException {
562		final CountDownLatch submitted    = new CountDownLatch(1);
563		final CountDownLatch quittingTime = new CountDownLatch(1);
547	–	final ExecutorService p = new ForkJoinPool(1);
564		final Callable<Void> awaiter = new CheckedCallable<Void>() {
565		public Void realCall() throws InterruptedException {
566	<	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
566	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
567		return null;
568		}};
569	<	try {
569	>	final ExecutorService p = new ForkJoinPool(1);
570	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
571		Thread t = new Thread(new CheckedInterruptedRunnable() {
572		public void realRun() throws Exception {
573		Future<Void> future = p.submit(awaiter);
#	Line 558 | Line 575 | public class ForkJoinPoolTest extends JS
575		future.get();
576		}});
577		t.start();
578	<	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
578	>	await(submitted);
579		t.interrupt();
580	<	t.join();
564	<	} finally {
565	<	quittingTime.countDown();
566	<	joinPool(p);
580	>	awaitTermination(t);
581		}
582		}
583
#	Line 573 | Line 587 | public class ForkJoinPoolTest extends JS
587		*/
588		public void testSubmitEE() throws Throwable {
589		ForkJoinPool p = new ForkJoinPool(1);
590	<	try {
591	<	p.submit(new Callable() {
592	<	public Object call() { throw new ArithmeticException(); }})
593	<	.get();
594	<	shouldThrow();
595	<	} catch (ExecutionException success) {
596	<	assertTrue(success.getCause() instanceof ArithmeticException);
597	<	} finally {
598	<	joinPool(p);
590	>	try (PoolCleaner cleaner = cleaner(p)) {
591	>	try {
592	>	p.submit(new Callable() {
593	>	public Object call() { throw new ArithmeticException(); }})
594	>	.get();
595	>	shouldThrow();
596	>	} catch (ExecutionException success) {
597	>	assertTrue(success.getCause() instanceof ArithmeticException);
598	>	}
599		}
600		}
601
#	Line 590 | Line 604 | public class ForkJoinPoolTest extends JS
604		*/
605		public void testInvokeAny1() throws Throwable {
606		ExecutorService e = new ForkJoinPool(1);
607	<	try {
608	<	e.invokeAny(null);
609	<	shouldThrow();
610	<	} catch (NullPointerException success) {
611	<	} finally {
598	<	joinPool(e);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(null);
610	>	shouldThrow();
611	>	} catch (NullPointerException success) {}
612		}
613		}
614
#	Line 604 | Line 617 | public class ForkJoinPoolTest extends JS
617		*/
618		public void testInvokeAny2() throws Throwable {
619		ExecutorService e = new ForkJoinPool(1);
620	<	try {
621	<	e.invokeAny(new ArrayList<Callable<String>>());
622	<	shouldThrow();
623	<	} catch (IllegalArgumentException success) {
624	<	} finally {
612	<	joinPool(e);
620	>	try (PoolCleaner cleaner = cleaner(e)) {
621	>	try {
622	>	e.invokeAny(new ArrayList<Callable<String>>());
623	>	shouldThrow();
624	>	} catch (IllegalArgumentException success) {}
625		}
626		}
627
#	Line 618 | Line 630 | public class ForkJoinPoolTest extends JS
630		*/
631		public void testInvokeAny3() throws Throwable {
632		ExecutorService e = new ForkJoinPool(1);
633	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
634	<	l.add(null);
635	<	try {
636	<	e.invokeAny(l);
637	<	shouldThrow();
638	<	} catch (NullPointerException success) {
639	<	} finally {
628	<	joinPool(e);
633	>	try (PoolCleaner cleaner = cleaner(e)) {
634	>	List<Callable<String>> l = new ArrayList<>();
635	>	l.add(null);
636	>	try {
637	>	e.invokeAny(l);
638	>	shouldThrow();
639	>	} catch (NullPointerException success) {}
640		}
641		}
642
#	Line 635 | Line 646 | public class ForkJoinPoolTest extends JS
646		public void testInvokeAny4() throws Throwable {
647		CountDownLatch latch = new CountDownLatch(1);
648		ExecutorService e = new ForkJoinPool(1);
649	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
650	<	l.add(latchAwaitingStringTask(latch));
651	<	l.add(null);
652	<	try {
653	<	e.invokeAny(l);
654	<	shouldThrow();
655	<	} catch (NullPointerException success) {
656	<	} finally {
649	>	try (PoolCleaner cleaner = cleaner(e)) {
650	>	List<Callable<String>> l = new ArrayList<>();
651	>	l.add(latchAwaitingStringTask(latch));
652	>	l.add(null);
653	>	try {
654	>	e.invokeAny(l);
655	>	shouldThrow();
656	>	} catch (NullPointerException success) {}
657		latch.countDown();
647	–	joinPool(e);
658		}
659		}
660
#	Line 653 | Line 663 | public class ForkJoinPoolTest extends JS
663		*/
664		public void testInvokeAny5() throws Throwable {
665		ExecutorService e = new ForkJoinPool(1);
666	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
667	<	l.add(new NPETask());
668	<	try {
669	<	e.invokeAny(l);
670	<	shouldThrow();
671	<	} catch (ExecutionException success) {
672	<	assertTrue(success.getCause() instanceof NullPointerException);
673	<	} finally {
674	<	joinPool(e);
666	>	try (PoolCleaner cleaner = cleaner(e)) {
667	>	List<Callable<String>> l = new ArrayList<>();
668	>	l.add(new NPETask());
669	>	try {
670	>	e.invokeAny(l);
671	>	shouldThrow();
672	>	} catch (ExecutionException success) {
673	>	assertTrue(success.getCause() instanceof NullPointerException);
674	>	}
675		}
676		}
677
#	Line 670 | Line 680 | public class ForkJoinPoolTest extends JS
680		*/
681		public void testInvokeAny6() throws Throwable {
682		ExecutorService e = new ForkJoinPool(1);
683	<	try {
684	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
683	>	try (PoolCleaner cleaner = cleaner(e)) {
684	>	List<Callable<String>> l = new ArrayList<>();
685		l.add(new StringTask());
686		l.add(new StringTask());
687		String result = e.invokeAny(l);
688		assertSame(TEST_STRING, result);
679	–	} finally {
680	–	joinPool(e);
689		}
690		}
691
#	Line 686 | Line 694 | public class ForkJoinPoolTest extends JS
694		*/
695		public void testInvokeAll1() throws Throwable {
696		ExecutorService e = new ForkJoinPool(1);
697	<	try {
698	<	e.invokeAll(null);
699	<	shouldThrow();
700	<	} catch (NullPointerException success) {
701	<	} finally {
694	<	joinPool(e);
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698	>	try {
699	>	e.invokeAll(null);
700	>	shouldThrow();
701	>	} catch (NullPointerException success) {}
702		}
703		}
704
#	Line 700 | Line 707 | public class ForkJoinPoolTest extends JS
707		*/
708		public void testInvokeAll2() throws InterruptedException {
709		ExecutorService e = new ForkJoinPool(1);
710	<	try {
710	>	try (PoolCleaner cleaner = cleaner(e)) {
711		List<Future<String>> r
712		= e.invokeAll(new ArrayList<Callable<String>>());
713		assertTrue(r.isEmpty());
707	–	} finally {
708	–	joinPool(e);
714		}
715		}
716
#	Line 714 | Line 719 | public class ForkJoinPoolTest extends JS
719		*/
720		public void testInvokeAll3() throws InterruptedException {
721		ExecutorService e = new ForkJoinPool(1);
722	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
723	<	l.add(new StringTask());
724	<	l.add(null);
725	<	try {
726	<	e.invokeAll(l);
727	<	shouldThrow();
728	<	} catch (NullPointerException success) {
729	<	} finally {
725	<	joinPool(e);
722	>	try (PoolCleaner cleaner = cleaner(e)) {
723	>	List<Callable<String>> l = new ArrayList<>();
724	>	l.add(new StringTask());
725	>	l.add(null);
726	>	try {
727	>	e.invokeAll(l);
728	>	shouldThrow();
729	>	} catch (NullPointerException success) {}
730		}
731		}
732
#	Line 732 | Line 736 | public class ForkJoinPoolTest extends JS
736		*/
737		public void testInvokeAll4() throws Throwable {
738		ExecutorService e = new ForkJoinPool(1);
739	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
740	<	l.add(new NPETask());
741	<	List<Future<String>> futures = e.invokeAll(l);
742	<	assertEquals(1, futures.size());
743	<	try {
744	<	futures.get(0).get();
745	<	shouldThrow();
746	<	} catch (ExecutionException success) {
747	<	assertTrue(success.getCause() instanceof NullPointerException);
748	<	} finally {
749	<	joinPool(e);
739	>	try (PoolCleaner cleaner = cleaner(e)) {
740	>	List<Callable<String>> l = new ArrayList<>();
741	>	l.add(new NPETask());
742	>	List<Future<String>> futures = e.invokeAll(l);
743	>	assertEquals(1, futures.size());
744	>	try {
745	>	futures.get(0).get();
746	>	shouldThrow();
747	>	} catch (ExecutionException success) {
748	>	assertTrue(success.getCause() instanceof NullPointerException);
749	>	}
750		}
751		}
752
#	Line 751 | Line 755 | public class ForkJoinPoolTest extends JS
755		*/
756		public void testInvokeAll5() throws Throwable {
757		ExecutorService e = new ForkJoinPool(1);
758	<	try {
759	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
758	>	try (PoolCleaner cleaner = cleaner(e)) {
759	>	List<Callable<String>> l = new ArrayList<>();
760		l.add(new StringTask());
761		l.add(new StringTask());
762		List<Future<String>> futures = e.invokeAll(l);
763		assertEquals(2, futures.size());
764		for (Future<String> future : futures)
765		assertSame(TEST_STRING, future.get());
762	–	} finally {
763	–	joinPool(e);
766		}
767		}
768
#	Line 769 | Line 771 | public class ForkJoinPoolTest extends JS
771		*/
772		public void testTimedInvokeAny1() throws Throwable {
773		ExecutorService e = new ForkJoinPool(1);
774	<	try {
775	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
776	<	shouldThrow();
777	<	} catch (NullPointerException success) {
778	<	} finally {
777	<	joinPool(e);
774	>	try (PoolCleaner cleaner = cleaner(e)) {
775	>	try {
776	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
777	>	shouldThrow();
778	>	} catch (NullPointerException success) {}
779		}
780		}
781
#	Line 783 | Line 784 | public class ForkJoinPoolTest extends JS
784		*/
785		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
786		ExecutorService e = new ForkJoinPool(1);
787	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
788	<	l.add(new StringTask());
789	<	try {
790	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
791	<	shouldThrow();
792	<	} catch (NullPointerException success) {
793	<	} finally {
793	<	joinPool(e);
787	>	try (PoolCleaner cleaner = cleaner(e)) {
788	>	List<Callable<String>> l = new ArrayList<>();
789	>	l.add(new StringTask());
790	>	try {
791	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
792	>	shouldThrow();
793	>	} catch (NullPointerException success) {}
794		}
795		}
796
#	Line 799 | Line 799 | public class ForkJoinPoolTest extends JS
799		*/
800		public void testTimedInvokeAny2() throws Throwable {
801		ExecutorService e = new ForkJoinPool(1);
802	<	try {
803	<	e.invokeAny(new ArrayList<Callable<String>>(),
804	<	MEDIUM_DELAY_MS, MILLISECONDS);
805	<	shouldThrow();
806	<	} catch (IllegalArgumentException success) {
807	<	} finally {
808	<	joinPool(e);
802	>	try (PoolCleaner cleaner = cleaner(e)) {
803	>	try {
804	>	e.invokeAny(new ArrayList<Callable<String>>(),
805	>	MEDIUM_DELAY_MS, MILLISECONDS);
806	>	shouldThrow();
807	>	} catch (IllegalArgumentException success) {}
808		}
809		}
810
#	Line 815 | Line 814 | public class ForkJoinPoolTest extends JS
814		public void testTimedInvokeAny3() throws Throwable {
815		CountDownLatch latch = new CountDownLatch(1);
816		ExecutorService e = new ForkJoinPool(1);
817	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
818	<	l.add(latchAwaitingStringTask(latch));
819	<	l.add(null);
820	<	try {
821	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
822	<	shouldThrow();
823	<	} catch (NullPointerException success) {
824	<	} finally {
817	>	try (PoolCleaner cleaner = cleaner(e)) {
818	>	List<Callable<String>> l = new ArrayList<>();
819	>	l.add(latchAwaitingStringTask(latch));
820	>	l.add(null);
821	>	try {
822	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
823	>	shouldThrow();
824	>	} catch (NullPointerException success) {}
825		latch.countDown();
827	–	joinPool(e);
826		}
827		}
828
#	Line 833 | Line 831 | public class ForkJoinPoolTest extends JS
831		*/
832		public void testTimedInvokeAny4() throws Throwable {
833		ExecutorService e = new ForkJoinPool(1);
834	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
835	<	l.add(new NPETask());
836	<	try {
837	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
838	<	shouldThrow();
839	<	} catch (ExecutionException success) {
840	<	assertTrue(success.getCause() instanceof NullPointerException);
841	<	} finally {
842	<	joinPool(e);
834	>	try (PoolCleaner cleaner = cleaner(e)) {
835	>	long startTime = System.nanoTime();
836	>	List<Callable<String>> l = new ArrayList<>();
837	>	l.add(new NPETask());
838	>	try {
839	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
840	>	shouldThrow();
841	>	} catch (ExecutionException success) {
842	>	assertTrue(success.getCause() instanceof NullPointerException);
843	>	}
844	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
845		}
846		}
847
#	Line 850 | Line 850 | public class ForkJoinPoolTest extends JS
850		*/
851		public void testTimedInvokeAny5() throws Throwable {
852		ExecutorService e = new ForkJoinPool(1);
853	<	try {
854	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
853	>	try (PoolCleaner cleaner = cleaner(e)) {
854	>	long startTime = System.nanoTime();
855	>	List<Callable<String>> l = new ArrayList<>();
856		l.add(new StringTask());
857		l.add(new StringTask());
858	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
858	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
859		assertSame(TEST_STRING, result);
860	<	} finally {
860	<	joinPool(e);
860	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
861		}
862		}
863
#	Line 866 | Line 866 | public class ForkJoinPoolTest extends JS
866		*/
867		public void testTimedInvokeAll1() throws Throwable {
868		ExecutorService e = new ForkJoinPool(1);
869	<	try {
870	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
871	<	shouldThrow();
872	<	} catch (NullPointerException success) {
873	<	} finally {
874	<	joinPool(e);
869	>	try (PoolCleaner cleaner = cleaner(e)) {
870	>	try {
871	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
872	>	shouldThrow();
873	>	} catch (NullPointerException success) {}
874		}
875		}
876
#	Line 880 | Line 879 | public class ForkJoinPoolTest extends JS
879		*/
880		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
881		ExecutorService e = new ForkJoinPool(1);
882	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
883	<	l.add(new StringTask());
884	<	try {
885	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
886	<	shouldThrow();
887	<	} catch (NullPointerException success) {
888	<	} finally {
890	<	joinPool(e);
882	>	try (PoolCleaner cleaner = cleaner(e)) {
883	>	List<Callable<String>> l = new ArrayList<>();
884	>	l.add(new StringTask());
885	>	try {
886	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
887	>	shouldThrow();
888	>	} catch (NullPointerException success) {}
889		}
890		}
891
#	Line 896 | Line 894 | public class ForkJoinPoolTest extends JS
894		*/
895		public void testTimedInvokeAll2() throws InterruptedException {
896		ExecutorService e = new ForkJoinPool(1);
897	<	try {
897	>	try (PoolCleaner cleaner = cleaner(e)) {
898		List<Future<String>> r
899		= e.invokeAll(new ArrayList<Callable<String>>(),
900		MEDIUM_DELAY_MS, MILLISECONDS);
901		assertTrue(r.isEmpty());
904	–	} finally {
905	–	joinPool(e);
902		}
903		}
904
#	Line 911 | Line 907 | public class ForkJoinPoolTest extends JS
907		*/
908		public void testTimedInvokeAll3() throws InterruptedException {
909		ExecutorService e = new ForkJoinPool(1);
910	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
911	<	l.add(new StringTask());
912	<	l.add(null);
913	<	try {
914	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
915	<	shouldThrow();
916	<	} catch (NullPointerException success) {
917	<	} finally {
922	<	joinPool(e);
910	>	try (PoolCleaner cleaner = cleaner(e)) {
911	>	List<Callable<String>> l = new ArrayList<>();
912	>	l.add(new StringTask());
913	>	l.add(null);
914	>	try {
915	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
916	>	shouldThrow();
917	>	} catch (NullPointerException success) {}
918		}
919		}
920
#	Line 928 | Line 923 | public class ForkJoinPoolTest extends JS
923		*/
924		public void testTimedInvokeAll4() throws Throwable {
925		ExecutorService e = new ForkJoinPool(1);
926	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
927	<	l.add(new NPETask());
928	<	List<Future<String>> futures
929	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
930	<	assertEquals(1, futures.size());
931	<	try {
932	<	futures.get(0).get();
933	<	shouldThrow();
934	<	} catch (ExecutionException success) {
935	<	assertTrue(success.getCause() instanceof NullPointerException);
936	<	} finally {
937	<	joinPool(e);
926	>	try (PoolCleaner cleaner = cleaner(e)) {
927	>	List<Callable<String>> l = new ArrayList<>();
928	>	l.add(new NPETask());
929	>	List<Future<String>> futures
930	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
931	>	assertEquals(1, futures.size());
932	>	try {
933	>	futures.get(0).get();
934	>	shouldThrow();
935	>	} catch (ExecutionException success) {
936	>	assertTrue(success.getCause() instanceof NullPointerException);
937	>	}
938		}
939		}
940
#	Line 947 | Line 942 | public class ForkJoinPoolTest extends JS
942		* timed invokeAll(c) returns results of all completed tasks in c
943		*/
944		public void testTimedInvokeAll5() throws Throwable {
945	<	ExecutorService e = new ForkJoinPool(1);
946	<	try {
947	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
945	>	ForkJoinPool e = new ForkJoinPool(1);
946	>	try (PoolCleaner cleaner = cleaner(e)) {
947	>	List<Callable<String>> l = new ArrayList<>();
948		l.add(new StringTask());
949		l.add(new StringTask());
950		List<Future<String>> futures
951	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
951	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
952		assertEquals(2, futures.size());
953		for (Future<String> future : futures)
954		assertSame(TEST_STRING, future.get());
960	–	} finally {
961	–	joinPool(e);
955		}
956		}
957

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