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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.39 by dl, Fri May 6 11:22:07 2011 UTC vs.
Revision 1.80 by jsr166, Wed Jan 27 01:57:24 2021 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.Collections;
15		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;
16		import java.util.concurrent.Callable;
17	<	import java.util.concurrent.Future;
17	>	import java.util.concurrent.CountDownLatch;
18		import java.util.concurrent.ExecutionException;
19	<	import java.util.concurrent.CancellationException;
20	<	import java.util.concurrent.RejectedExecutionException;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21		import java.util.concurrent.ForkJoinPool;
22		import java.util.concurrent.ForkJoinTask;
23		import java.util.concurrent.ForkJoinWorkerThread;
24	+	import java.util.concurrent.Future;
25		import java.util.concurrent.RecursiveTask;
26	<	import java.util.concurrent.TimeUnit;
26	>	import java.util.concurrent.RejectedExecutionException;
27	>	import java.util.concurrent.atomic.AtomicBoolean;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29		import java.util.concurrent.locks.ReentrantLock;
30	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
31	<	import java.security.AccessControlException;
32	<	import java.security.Policy;
29	<	import java.security.PrivilegedAction;
30	<	import java.security.PrivilegedExceptionAction;
30	>
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 56 | 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 {
60	<	volatile int catches = 0;
61	<	public void uncaughtException(Thread t, Throwable e) {
62	<	++catches;
63	<	}
64	<	}
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 106 | 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;
110		FibTask f1 = new FibTask(n - 1);
111		f1.fork();
112	<	return (new FibTask(n - 2)).compute() + f1.join();
112	>	return new FibTask(n - 2).compute() + f1.join();
113		}
114		}
115
#	Line 134 | 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 161 | 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 173 | Line 170 | public class ForkJoinPoolTest extends JS
170		assertFalse(p.isShutdown());
171		assertFalse(p.isTerminating());
172		assertFalse(p.isTerminated());
176	–	} finally {
177	–	joinPool(p);
173		}
174		}
175
#	Line 198 | Line 193 | public class ForkJoinPoolTest extends JS
193		} catch (NullPointerException success) {}
194		}
195
201	–
196		/**
197		* getParallelism returns size set in constructor
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(randomExpiredTimeout(),
244	>	randomTimeUnit()));
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());
280	<	p.execute(new FibTask(8));
281	<	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
282	<	} finally {
283	<	p.shutdownNow(); // failure might have prevented processing task
284	<	joinPool(p);
277	>	ueh, false);
278	>	try (PoolCleaner cleaner = cleaner(p)) {
279	>	assertSame(ueh, p.getUncaughtExceptionHandler());
280	>	try {
281	>	p.execute(new FibTask(8));
282	>	await(uehInvoked);
283	>	} finally {
284	>	p.shutdownNow(); // failure might have prevented processing task
285	>	}
286		}
287		}
288
289		/**
290	<	* After invoking a single task, isQuiescent is true,
291	<	* queues are empty, threads are not active, and
292	<	* construction parameters continue to hold
290	>	* After invoking a single task, isQuiescent eventually becomes
291	>	* true, at which time queues are empty, threads are not active,
292	>	* the task has completed successfully, and construction
293	>	* parameters continue to hold
294		*/
295	<	public void testisQuiescent() throws InterruptedException {
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	<	p.invoke(new FibTask(20));
299	>	long startTime = System.nanoTime();
300	>	FibTask f = new FibTask(20);
301	>	p.invoke(f);
302		assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
303		p.getFactory());
304	<	delay(SMALL_DELAY_MS);
304	>	while (! p.isQuiescent()) {
305	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
306	>	throw new AssertionError("timed out");
307	>	assertFalse(p.getAsyncMode());
308	>	assertFalse(p.isShutdown());
309	>	assertFalse(p.isTerminating());
310	>	assertFalse(p.isTerminated());
311	>	Thread.yield();
312	>	}
313	>
314		assertTrue(p.isQuiescent());
315		assertFalse(p.getAsyncMode());
268	–	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	<	} finally {
326	<	joinPool(p);
325	>	assertTrue(f.isDone());
326	>	assertEquals(6765, (int) f.get());
327	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
328		}
329		}
330
#	Line 282 | 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());
288	–	} finally {
289	–	joinPool(p);
339		}
340		}
341
#	Line 295 | 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));
351	>	ForkJoinTask<Integer> unused = p.submit(new FibTask(8));
352		shouldThrow();
353		} catch (RejectedExecutionException success) {}
305	–	} finally {
306	–	joinPool(p);
354		}
355		}
356
#	Line 329 | 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 {
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();
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());
339	–	} finally {
386		done.countDown();
341	–	joinPool(p);
387		}
388		}
389
#	Line 348 | 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 {
397	<	ForkJoinTask a = p.submit(awaiter(done));
398	<	ForkJoinTask b = p.submit(awaiter(done));
399	<	ForkJoinTask c = p.submit(awaiter(done));
400	<	ArrayList<ForkJoinTask> al = new ArrayList();
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));
400	>	ArrayList<ForkJoinTask<?>> al = new ArrayList<>();
401		p.drainTasksTo(al);
402		assertTrue(al.size() > 0);
403	<	for (ForkJoinTask r : al) {
403	>	for (ForkJoinTask<?> r : al) {
404		assertTrue(r == a || r == b || r == c);
405		assertFalse(r.isDone());
406		}
362	–	} finally {
407		done.countDown();
364	–	joinPool(p);
408		}
409		}
410
368	–
411		// FJ Versions of AbstractExecutorService tests
412
413		/**
#	Line 373 | Line 415 | public class ForkJoinPoolTest extends JS
415		*/
416		public void testExecuteRunnable() throws Throwable {
417		ExecutorService e = new ForkJoinPool(1);
418	<	try {
419	<	TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
420	<	assertFalse(task.isDone());
421	<	Future<?> future = e.submit(task);
418	>	try (PoolCleaner cleaner = cleaner(e)) {
419	>	final AtomicBoolean done = new AtomicBoolean(false);
420	>	Future<?> future = e.submit(new CheckedRunnable() {
421	>	public void realRun() {
422	>	done.set(true);
423	>	}});
424		assertNull(future.get());
425	<	assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
426	<	assertTrue(task.isDone());
425	>	assertNull(future.get(randomExpiredTimeout(), randomTimeUnit()));
426	>	assertTrue(done.get());
427		assertTrue(future.isDone());
428		assertFalse(future.isCancelled());
385	–	} finally {
386	–	joinPool(e);
429		}
430		}
431
390	–
432		/**
433		* Completed submit(callable) returns result
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());
401	–	} finally {
402	–	joinPool(e);
442		}
443		}
444
#	Line 408 | 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());
416	–	} finally {
417	–	joinPool(e);
455		}
456		}
457
#	Line 423 | 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());
431	–	} finally {
432	–	joinPool(e);
468		}
469		}
470
#	Line 437 | 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<Object> callable = Executors.callable(new PrivilegedAction<Object>() {
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() {
445	<	return TEST_STRING;
446	<	}}));
447	<
478	>	public void realRun() throws Exception {
479	>	ExecutorService e = new ForkJoinPool(1);
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	Future<Object> future = e.submit(callable);
482		assertSame(TEST_STRING, future.get());
483	<	}};
483	>	}
484	>	}};
485
486	<	runWithPermissions(r,
452	<	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<Object> callable =
494	+	Executors.callable(new PrivilegedExceptionAction<Object>() {
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() {
464	<	return TEST_STRING;
465	<	}}));
466	<
497	>	public void realRun() throws Exception {
498	>	ExecutorService e = new ForkJoinPool(1);
499	>	try (PoolCleaner cleaner = cleaner(e)) {
500	>	Future<Object> future = e.submit(callable);
501		assertSame(TEST_STRING, future.get());
502	<	}};
502	>	}
503	>	}};
504
505		runWithPermissions(r, new RuntimePermission("modifyThread"));
506		}
#	Line 474 | 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<Object> callable =
513	+	Executors.callable(new PrivilegedExceptionAction<Object>() {
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 {
482	<	throw new IndexOutOfBoundsException();
483	<	}}));
484	<
516	>	public void realRun() throws Exception {
517	>	ExecutorService e = new ForkJoinPool(1);
518	>	try (PoolCleaner cleaner = cleaner(e)) {
519	>	Future<Object> 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 497 | 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 {
505	<	joinPool(e);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<?> unused = e.submit((Runnable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
509	–
545		/**
546		* submit(null callable) throws NullPointerException
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 {
520	<	joinPool(e);
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	try {
552	>	Future<String> unused = e.submit((Callable<String>) null);
553	>	shouldThrow();
554	>	} catch (NullPointerException success) {}
555		}
556		}
557
524	–
558		/**
559		* submit(callable).get() throws InterruptedException if interrupted
560		*/
561		public void testInterruptedSubmit() throws InterruptedException {
562		final CountDownLatch submitted    = new CountDownLatch(1);
563		final CountDownLatch quittingTime = new CountDownLatch(1);
564	<	final ExecutorService p = new ForkJoinPool(1);
532	<	final Callable<Void> awaiter = new CheckedCallable<Void>() {
564	>	final Callable<Void> awaiter = new CheckedCallable<>() {
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 542 | 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();
548	<	} finally {
549	<	quittingTime.countDown();
550	<	joinPool(p);
580	>	awaitTermination(t);
581		}
582		}
583
#	Line 557 | 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() {
593	<	int i = 5/0;
594	<	return Boolean.TRUE;
595	<	}}).get();
596	<	shouldThrow();
597	<	} catch (ExecutionException success) {
598	<	assertTrue(success.getCause() instanceof ArithmeticException);
569	<	} finally {
570	<	joinPool(p);
590	>	try (PoolCleaner cleaner = cleaner(p)) {
591	>	try {
592	>	p.submit(new Callable<Object>() {
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 576 | 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 {
584	<	joinPool(e);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(null);
610	>	shouldThrow();
611	>	} catch (NullPointerException success) {}
612		}
613		}
614
#	Line 590 | 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 {
598	<	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 604 | 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 {
614	<	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 621 | 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();
633	–	joinPool(e);
658		}
659		}
660
#	Line 639 | 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 656 | 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);
665	–	} finally {
666	–	joinPool(e);
689		}
690		}
691
#	Line 672 | 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 {
680	<	joinPool(e);
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698	>	try {
699	>	e.invokeAll(null);
700	>	shouldThrow();
701	>	} catch (NullPointerException success) {}
702		}
703		}
704
705		/**
706	<	* invokeAll(empty collection) returns empty collection
706	>	* invokeAll(empty collection) returns empty list
707		*/
708		public void testInvokeAll2() throws InterruptedException {
709		ExecutorService e = new ForkJoinPool(1);
710	<	try {
711	<	List<Future<String>> r
712	<	= e.invokeAll(new ArrayList<Callable<String>>());
710	>	final Collection<Callable<String>> emptyCollection
711	>	= Collections.emptyList();
712	>	try (PoolCleaner cleaner = cleaner(e)) {
713	>	List<Future<String>> r = e.invokeAll(emptyCollection);
714		assertTrue(r.isEmpty());
693	–	} finally {
694	–	joinPool(e);
715		}
716		}
717
#	Line 700 | Line 720 | public class ForkJoinPoolTest extends JS
720		*/
721		public void testInvokeAll3() throws InterruptedException {
722		ExecutorService e = new ForkJoinPool(1);
723	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
724	<	l.add(new StringTask());
725	<	l.add(null);
726	<	try {
727	<	e.invokeAll(l);
728	<	shouldThrow();
729	<	} catch (NullPointerException success) {
730	<	} finally {
711	<	joinPool(e);
723	>	try (PoolCleaner cleaner = cleaner(e)) {
724	>	List<Callable<String>> l = new ArrayList<>();
725	>	l.add(new StringTask());
726	>	l.add(null);
727	>	try {
728	>	e.invokeAll(l);
729	>	shouldThrow();
730	>	} catch (NullPointerException success) {}
731		}
732		}
733
#	Line 718 | Line 737 | public class ForkJoinPoolTest extends JS
737		*/
738		public void testInvokeAll4() throws Throwable {
739		ExecutorService e = new ForkJoinPool(1);
740	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	} finally {
750	<	joinPool(e);
740	>	try (PoolCleaner cleaner = cleaner(e)) {
741	>	List<Callable<String>> l = new ArrayList<>();
742	>	l.add(new NPETask());
743	>	List<Future<String>> futures = e.invokeAll(l);
744	>	assertEquals(1, futures.size());
745	>	try {
746	>	futures.get(0).get();
747	>	shouldThrow();
748	>	} catch (ExecutionException success) {
749	>	assertTrue(success.getCause() instanceof NullPointerException);
750	>	}
751		}
752		}
753
#	Line 737 | Line 756 | public class ForkJoinPoolTest extends JS
756		*/
757		public void testInvokeAll5() throws Throwable {
758		ExecutorService e = new ForkJoinPool(1);
759	<	try {
760	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
759	>	try (PoolCleaner cleaner = cleaner(e)) {
760	>	List<Callable<String>> l = new ArrayList<>();
761		l.add(new StringTask());
762		l.add(new StringTask());
763		List<Future<String>> futures = e.invokeAll(l);
764		assertEquals(2, futures.size());
765		for (Future<String> future : futures)
766		assertSame(TEST_STRING, future.get());
748	–	} finally {
749	–	joinPool(e);
767		}
768		}
769
753	–
770		/**
771		* timed invokeAny(null) throws NullPointerException
772		*/
773		public void testTimedInvokeAny1() throws Throwable {
774		ExecutorService e = new ForkJoinPool(1);
775	<	try {
776	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
777	<	shouldThrow();
778	<	} catch (NullPointerException success) {
779	<	} finally {
764	<	joinPool(e);
775	>	try (PoolCleaner cleaner = cleaner(e)) {
776	>	try {
777	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
778	>	shouldThrow();
779	>	} catch (NullPointerException success) {}
780		}
781		}
782
#	Line 770 | Line 785 | public class ForkJoinPoolTest extends JS
785		*/
786		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
787		ExecutorService e = new ForkJoinPool(1);
788	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
789	<	l.add(new StringTask());
790	<	try {
791	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
792	<	shouldThrow();
793	<	} catch (NullPointerException success) {
794	<	} finally {
780	<	joinPool(e);
788	>	try (PoolCleaner cleaner = cleaner(e)) {
789	>	List<Callable<String>> l = new ArrayList<>();
790	>	l.add(new StringTask());
791	>	try {
792	>	e.invokeAny(l, randomTimeout(), null);
793	>	shouldThrow();
794	>	} catch (NullPointerException success) {}
795		}
796		}
797
#	Line 786 | Line 800 | public class ForkJoinPoolTest extends JS
800		*/
801		public void testTimedInvokeAny2() throws Throwable {
802		ExecutorService e = new ForkJoinPool(1);
803	<	try {
804	<	e.invokeAny(new ArrayList<Callable<String>>(),
805	<	MEDIUM_DELAY_MS, MILLISECONDS);
806	<	shouldThrow();
807	<	} catch (IllegalArgumentException success) {
808	<	} finally {
795	<	joinPool(e);
803	>	try (PoolCleaner cleaner = cleaner(e)) {
804	>	try {
805	>	e.invokeAny(new ArrayList<Callable<String>>(),
806	>	randomTimeout(), randomTimeUnit());
807	>	shouldThrow();
808	>	} catch (IllegalArgumentException success) {}
809		}
810		}
811
#	Line 802 | Line 815 | public class ForkJoinPoolTest extends JS
815		public void testTimedInvokeAny3() throws Throwable {
816		CountDownLatch latch = new CountDownLatch(1);
817		ExecutorService e = new ForkJoinPool(1);
818	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
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	<	} finally {
818	>	try (PoolCleaner cleaner = cleaner(e)) {
819	>	List<Callable<String>> l = new ArrayList<>();
820	>	l.add(latchAwaitingStringTask(latch));
821	>	l.add(null);
822	>	try {
823	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
824	>	shouldThrow();
825	>	} catch (NullPointerException success) {}
826		latch.countDown();
814	–	joinPool(e);
827		}
828		}
829
#	Line 820 | Line 832 | public class ForkJoinPoolTest extends JS
832		*/
833		public void testTimedInvokeAny4() throws Throwable {
834		ExecutorService e = new ForkJoinPool(1);
835	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
836	<	l.add(new NPETask());
837	<	try {
838	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
839	<	shouldThrow();
840	<	} catch (ExecutionException success) {
841	<	assertTrue(success.getCause() instanceof NullPointerException);
842	<	} finally {
843	<	joinPool(e);
835	>	try (PoolCleaner cleaner = cleaner(e)) {
836	>	long startTime = System.nanoTime();
837	>	List<Callable<String>> l = new ArrayList<>();
838	>	l.add(new NPETask());
839	>	try {
840	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
841	>	shouldThrow();
842	>	} catch (ExecutionException success) {
843	>	assertTrue(success.getCause() instanceof NullPointerException);
844	>	}
845	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
846		}
847		}
848
#	Line 837 | Line 851 | public class ForkJoinPoolTest extends JS
851		*/
852		public void testTimedInvokeAny5() throws Throwable {
853		ExecutorService e = new ForkJoinPool(1);
854	<	try {
855	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
854	>	try (PoolCleaner cleaner = cleaner(e)) {
855	>	long startTime = System.nanoTime();
856	>	List<Callable<String>> l = new ArrayList<>();
857		l.add(new StringTask());
858		l.add(new StringTask());
859	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
859	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
860		assertSame(TEST_STRING, result);
861	<	} finally {
847	<	joinPool(e);
861	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
862		}
863		}
864
#	Line 853 | Line 867 | public class ForkJoinPoolTest extends JS
867		*/
868		public void testTimedInvokeAll1() throws Throwable {
869		ExecutorService e = new ForkJoinPool(1);
870	<	try {
871	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
872	<	shouldThrow();
873	<	} catch (NullPointerException success) {
874	<	} finally {
861	<	joinPool(e);
870	>	try (PoolCleaner cleaner = cleaner(e)) {
871	>	try {
872	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
873	>	shouldThrow();
874	>	} catch (NullPointerException success) {}
875		}
876		}
877
#	Line 867 | Line 880 | public class ForkJoinPoolTest extends JS
880		*/
881		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
882		ExecutorService e = new ForkJoinPool(1);
883	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
884	<	l.add(new StringTask());
885	<	try {
886	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
887	<	shouldThrow();
888	<	} catch (NullPointerException success) {
889	<	} finally {
877	<	joinPool(e);
883	>	try (PoolCleaner cleaner = cleaner(e)) {
884	>	List<Callable<String>> l = new ArrayList<>();
885	>	l.add(new StringTask());
886	>	try {
887	>	e.invokeAll(l, randomTimeout(), null);
888	>	shouldThrow();
889	>	} catch (NullPointerException success) {}
890		}
891		}
892
893		/**
894	<	* timed invokeAll(empty collection) returns empty collection
894	>	* timed invokeAll(empty collection) returns empty list
895		*/
896		public void testTimedInvokeAll2() throws InterruptedException {
897		ExecutorService e = new ForkJoinPool(1);
898	<	try {
898	>	final Collection<Callable<String>> emptyCollection
899	>	= Collections.emptyList();
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901		List<Future<String>> r
902	<	= e.invokeAll(new ArrayList<Callable<String>>(),
903	<	MEDIUM_DELAY_MS, MILLISECONDS);
902	>	= e.invokeAll(emptyCollection,
903	>	randomTimeout(), randomTimeUnit());
904		assertTrue(r.isEmpty());
891	–	} finally {
892	–	joinPool(e);
905		}
906		}
907
#	Line 898 | Line 910 | public class ForkJoinPoolTest extends JS
910		*/
911		public void testTimedInvokeAll3() throws InterruptedException {
912		ExecutorService e = new ForkJoinPool(1);
913	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
914	<	l.add(new StringTask());
915	<	l.add(null);
916	<	try {
917	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
918	<	shouldThrow();
919	<	} catch (NullPointerException success) {
920	<	} finally {
909	<	joinPool(e);
913	>	try (PoolCleaner cleaner = cleaner(e)) {
914	>	List<Callable<String>> l = new ArrayList<>();
915	>	l.add(new StringTask());
916	>	l.add(null);
917	>	try {
918	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
919	>	shouldThrow();
920	>	} catch (NullPointerException success) {}
921		}
922		}
923
#	Line 915 | Line 926 | public class ForkJoinPoolTest extends JS
926		*/
927		public void testTimedInvokeAll4() throws Throwable {
928		ExecutorService e = new ForkJoinPool(1);
929	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
930	<	l.add(new NPETask());
931	<	List<Future<String>> futures
932	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
933	<	assertEquals(1, futures.size());
934	<	try {
935	<	futures.get(0).get();
936	<	shouldThrow();
937	<	} catch (ExecutionException success) {
938	<	assertTrue(success.getCause() instanceof NullPointerException);
939	<	} finally {
940	<	joinPool(e);
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930	>	List<Callable<String>> l = new ArrayList<>();
931	>	l.add(new NPETask());
932	>	List<Future<String>> futures
933	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
934	>	assertEquals(1, futures.size());
935	>	try {
936	>	futures.get(0).get();
937	>	shouldThrow();
938	>	} catch (ExecutionException success) {
939	>	assertTrue(success.getCause() instanceof NullPointerException);
940	>	}
941		}
942		}
943
#	Line 934 | Line 945 | public class ForkJoinPoolTest extends JS
945		* timed invokeAll(c) returns results of all completed tasks in c
946		*/
947		public void testTimedInvokeAll5() throws Throwable {
948	<	ExecutorService e = new ForkJoinPool(1);
949	<	try {
950	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
948	>	ForkJoinPool e = new ForkJoinPool(1);
949	>	try (PoolCleaner cleaner = cleaner(e)) {
950	>	List<Callable<String>> l = new ArrayList<>();
951		l.add(new StringTask());
952		l.add(new StringTask());
953		List<Future<String>> futures
954	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
954	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
955		assertEquals(2, futures.size());
956		for (Future<String> future : futures)
957		assertSame(TEST_STRING, future.get());
947	–	} finally {
948	–	joinPool(e);
958		}
959		}
960

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