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Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.25 by jsr166, Mon Sep 13 20:48:58 2010 UTC vs.
Revision 1.69 by jsr166, Tue Oct 13 21:14:39 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
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.locks.ReentrantLock;
28	<	import java.security.AccessControlException;
29	<	import java.security.Policy;
30	<	import java.security.PrivilegedAction;
31	<	import java.security.PrivilegedExceptionAction;
28	>
29	>	import junit.framework.AssertionFailedError;
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ForkJoinPoolTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run(suite());
35	>	main(suite(), args);
36		}
37
38		public static Test suite() {
39		return new TestSuite(ForkJoinPoolTest.class);
40		}
41
42	<	/**
42	>	/*
43		* Testing coverage notes:
44		*
45		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 62 | Line 64 | public class ForkJoinPoolTest extends JS
64		}
65		}
66
67	+	static class MyError extends Error {}
68	+
69		// to test handlers
70		static class FailingFJWSubclass extends ForkJoinWorkerThread {
71		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
72	<	protected void onStart() { super.onStart(); throw new Error(); }
72	>	protected void onStart() { super.onStart(); throw new MyError(); }
73		}
74
75		static class FailingThreadFactory
#	Line 105 | Line 109 | public class ForkJoinPoolTest extends JS
109		static final class FibTask extends RecursiveTask<Integer> {
110		final int number;
111		FibTask(int n) { number = n; }
112	<	public Integer compute() {
112	>	protected Integer compute() {
113		int n = number;
114		if (n <= 1)
115		return n;
#	Line 133 | Line 137 | public class ForkJoinPoolTest extends JS
137		this.locker = locker;
138		this.lock = lock;
139		}
140	<	public Integer compute() {
140	>	protected Integer compute() {
141		int n;
142		LockingFibTask f1 = null;
143		LockingFibTask f2 = null;
#	Line 160 | Line 164 | public class ForkJoinPoolTest extends JS
164		*/
165		public void testDefaultInitialState() {
166		ForkJoinPool p = new ForkJoinPool(1);
167	<	try {
168	<	assertTrue(p.getFactory() ==
169	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
166	<	assertTrue(p.isQuiescent());
167	>	try (PoolCleaner cleaner = cleaner(p)) {
168	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
169	>	p.getFactory());
170		assertFalse(p.getAsyncMode());
171	<	assertTrue(p.getActiveThreadCount() == 0);
172	<	assertTrue(p.getStealCount() == 0);
173	<	assertTrue(p.getQueuedTaskCount() == 0);
174	<	assertTrue(p.getQueuedSubmissionCount() == 0);
171	>	assertEquals(0, p.getActiveThreadCount());
172	>	assertEquals(0, p.getStealCount());
173	>	assertEquals(0, p.getQueuedTaskCount());
174	>	assertEquals(0, p.getQueuedSubmissionCount());
175		assertFalse(p.hasQueuedSubmissions());
176		assertFalse(p.isShutdown());
177		assertFalse(p.isTerminating());
178		assertFalse(p.isTerminated());
176	–	} finally {
177	–	joinPool(p);
179		}
180		}
181
#	Line 198 | Line 199 | public class ForkJoinPoolTest extends JS
199		} catch (NullPointerException success) {}
200		}
201
201	–
202		/**
203		* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206		ForkJoinPool p = new ForkJoinPool(1);
207	<	try {
208	<	assertTrue(p.getParallelism() == 1);
209	<	} finally {
210	<	joinPool(p);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	assertEquals(1, p.getParallelism());
209		}
210		}
211
#	Line 215 | Line 213 | public class ForkJoinPoolTest extends JS
213		* getPoolSize returns number of started workers.
214		*/
215		public void testGetPoolSize() {
216	+	final CountDownLatch taskStarted = new CountDownLatch(1);
217	+	final CountDownLatch done = new CountDownLatch(1);
218	+	final ForkJoinPool p = new ForkJoinPool(1);
219	+	try (PoolCleaner cleaner = cleaner(p)) {
220	+	assertEquals(0, p.getActiveThreadCount());
221	+	final Runnable task = new CheckedRunnable() {
222	+	public void realRun() throws InterruptedException {
223	+	taskStarted.countDown();
224	+	assertEquals(1, p.getPoolSize());
225	+	assertEquals(1, p.getActiveThreadCount());
226	+	done.await();
227	+	}};
228	+	Future<?> future = p.submit(task);
229	+	await(taskStarted);
230	+	assertEquals(1, p.getPoolSize());
231	+	assertEquals(1, p.getActiveThreadCount());
232	+	done.countDown();
233	+	}
234	+	assertEquals(0, p.getPoolSize());
235	+	assertEquals(0, p.getActiveThreadCount());
236	+	}
237	+
238	+	/**
239	+	* awaitTermination on a non-shutdown pool times out
240	+	*/
241	+	public void testAwaitTermination_timesOut() throws InterruptedException {
242		ForkJoinPool p = new ForkJoinPool(1);
243	<	try {
244	<	assertTrue(p.getActiveThreadCount() == 0);
245	<	Future<String> future = p.submit(new StringTask());
246	<	assertTrue(p.getPoolSize() == 1);
247	<	} finally {
248	<	joinPool(p);
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertFalse(p.isTerminated());
245	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
246	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
247	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
248	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
249	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
250	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
251	>	long timeoutNanos = 999999L;
252	>	long startTime = System.nanoTime();
253	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
254	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
255	>	assertFalse(p.isTerminated());
256	>	startTime = System.nanoTime();
257	>	long timeoutMillis = timeoutMillis();
258	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
259	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
260	>	assertFalse(p.isTerminated());
261	>	p.shutdown();
262	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
263	>	assertTrue(p.isTerminated());
264		}
265		}
266
#	Line 232 | Line 271 | public class ForkJoinPoolTest extends JS
271		* performs its defined action
272		*/
273		public void testSetUncaughtExceptionHandler() throws InterruptedException {
274	<	MyHandler eh = new MyHandler();
275	<	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), eh, false);
276	<	try {
277	<	assert(eh == p.getUncaughtExceptionHandler());
278	<	p.execute(new FailingTask());
279	<	Thread.sleep(MEDIUM_DELAY_MS);
280	<	assertTrue(eh.catches > 0);
281	<	} finally {
282	<	p.shutdownNow();
283	<	joinPool(p);
274	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
275	>	final Thread.UncaughtExceptionHandler ueh =
276	>	new Thread.UncaughtExceptionHandler() {
277	>	public void uncaughtException(Thread t, Throwable e) {
278	>	threadAssertTrue(e instanceof MyError);
279	>	threadAssertTrue(t instanceof FailingFJWSubclass);
280	>	uehInvoked.countDown();
281	>	}};
282	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
283	>	ueh, false);
284	>	try (PoolCleaner cleaner = cleaner(p)) {
285	>	assertSame(ueh, p.getUncaughtExceptionHandler());
286	>	try {
287	>	p.execute(new FibTask(8));
288	>	await(uehInvoked);
289	>	} finally {
290	>	p.shutdownNow(); // failure might have prevented processing task
291	>	}
292		}
293		}
294
295		/**
296	<	* After invoking a single task, isQuiescent is true,
297	<	* queues are empty, threads are not active, and
298	<	* construction parameters continue to hold
296	>	* After invoking a single task, isQuiescent eventually becomes
297	>	* true, at which time queues are empty, threads are not active,
298	>	* the task has completed successfully, and construction
299	>	* parameters continue to hold
300		*/
301	<	public void testisQuiescent() throws InterruptedException {
301	>	public void testIsQuiescent() throws Exception {
302		ForkJoinPool p = new ForkJoinPool(2);
303	<	try {
304	<	p.invoke(new FibTask(20));
305	<	assertTrue(p.getFactory() ==
306	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
307	<	Thread.sleep(MEDIUM_DELAY_MS);
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	assertTrue(p.isQuiescent());
305	>	long startTime = System.nanoTime();
306	>	FibTask f = new FibTask(20);
307	>	p.invoke(f);
308	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
309	>	p.getFactory());
310	>	while (! p.isQuiescent()) {
311	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
312	>	throw new AssertionFailedError("timed out");
313	>	assertFalse(p.getAsyncMode());
314	>	assertFalse(p.isShutdown());
315	>	assertFalse(p.isTerminating());
316	>	assertFalse(p.isTerminated());
317	>	Thread.yield();
318	>	}
319	>
320		assertTrue(p.isQuiescent());
321		assertFalse(p.getAsyncMode());
322	<	assertTrue(p.getActiveThreadCount() == 0);
323	<	assertTrue(p.getQueuedTaskCount() == 0);
324	<	assertTrue(p.getQueuedSubmissionCount() == 0);
322	>	assertEquals(0, p.getActiveThreadCount());
323	>	assertEquals(0, p.getQueuedTaskCount());
324	>	assertEquals(0, p.getQueuedSubmissionCount());
325		assertFalse(p.hasQueuedSubmissions());
326		assertFalse(p.isShutdown());
327		assertFalse(p.isTerminating());
328		assertFalse(p.isTerminated());
329	<	} finally {
330	<	joinPool(p);
329	>	assertTrue(f.isDone());
330	>	assertEquals(6765, (int) f.get());
331		}
332		}
333
#	Line 276 | Line 336 | public class ForkJoinPoolTest extends JS
336		*/
337		public void testSubmitForkJoinTask() throws Throwable {
338		ForkJoinPool p = new ForkJoinPool(1);
339	<	try {
339	>	try (PoolCleaner cleaner = cleaner(p)) {
340		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
341	<	int r = f.get();
282	<	assertTrue(r == 21);
283	<	} finally {
284	<	joinPool(p);
341	>	assertEquals(21, (int) f.get());
342		}
343		}
344
#	Line 290 | Line 347 | public class ForkJoinPoolTest extends JS
347		*/
348		public void testSubmitAfterShutdown() {
349		ForkJoinPool p = new ForkJoinPool(1);
350	<	try {
350	>	try (PoolCleaner cleaner = cleaner(p)) {
351		p.shutdown();
352		assertTrue(p.isShutdown());
353	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
354	<	shouldThrow();
355	<	} catch (RejectedExecutionException success) {
356	<	} finally {
300	<	joinPool(p);
353	>	try {
354	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
355	>	shouldThrow();
356	>	} catch (RejectedExecutionException success) {}
357		}
358		}
359
#	Line 309 | Line 365 | public class ForkJoinPoolTest extends JS
365		try {
366		ReentrantLock lock = new ReentrantLock();
367		ManagedLocker locker = new ManagedLocker(lock);
368	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
368	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
369		p.execute(f);
370	<	int r = f.get();
315	<	assertTrue(r == 832040);
370	>	assertEquals(6765, (int) f.get());
371		} finally {
372		p.shutdownNow(); // don't wait out shutdown
373		}
#	Line 322 | Line 377 | public class ForkJoinPoolTest extends JS
377		* pollSubmission returns unexecuted submitted task, if present
378		*/
379		public void testPollSubmission() {
380	+	final CountDownLatch done = new CountDownLatch(1);
381		SubFJP p = new SubFJP();
382	<	try {
383	<	ForkJoinTask a = p.submit(new MediumRunnable());
384	<	ForkJoinTask b = p.submit(new MediumRunnable());
385	<	ForkJoinTask c = p.submit(new MediumRunnable());
382	>	try (PoolCleaner cleaner = cleaner(p)) {
383	>	ForkJoinTask a = p.submit(awaiter(done));
384	>	ForkJoinTask b = p.submit(awaiter(done));
385	>	ForkJoinTask c = p.submit(awaiter(done));
386		ForkJoinTask r = p.pollSubmission();
387		assertTrue(r == a || r == b || r == c);
388		assertFalse(r.isDone());
389	<	} finally {
334	<	joinPool(p);
389	>	done.countDown();
390		}
391		}
392
#	Line 339 | Line 394 | public class ForkJoinPoolTest extends JS
394		* drainTasksTo transfers unexecuted submitted tasks, if present
395		*/
396		public void testDrainTasksTo() {
397	+	final CountDownLatch done = new CountDownLatch(1);
398		SubFJP p = new SubFJP();
399	<	try {
400	<	ForkJoinTask a = p.submit(new MediumRunnable());
401	<	ForkJoinTask b = p.submit(new MediumRunnable());
402	<	ForkJoinTask c = p.submit(new MediumRunnable());
399	>	try (PoolCleaner cleaner = cleaner(p)) {
400	>	ForkJoinTask a = p.submit(awaiter(done));
401	>	ForkJoinTask b = p.submit(awaiter(done));
402	>	ForkJoinTask c = p.submit(awaiter(done));
403		ArrayList<ForkJoinTask> al = new ArrayList();
404		p.drainTasksTo(al);
405		assertTrue(al.size() > 0);
#	Line 351 | Line 407 | public class ForkJoinPoolTest extends JS
407		assertTrue(r == a || r == b || r == c);
408		assertFalse(r.isDone());
409		}
410	<	} finally {
355	<	joinPool(p);
410	>	done.countDown();
411		}
412		}
413
359	–
414		// FJ Versions of AbstractExecutorService tests
415
416		/**
#	Line 364 | Line 418 | public class ForkJoinPoolTest extends JS
418		*/
419		public void testExecuteRunnable() throws Throwable {
420		ExecutorService e = new ForkJoinPool(1);
421	<	try {
422	<	TrackedShortRunnable task = new TrackedShortRunnable();
423	<	assertFalse(task.done);
424	<	Future<?> future = e.submit(task);
425	<	future.get();
426	<	assertTrue(task.done);
427	<	} finally {
428	<	joinPool(e);
421	>	try (PoolCleaner cleaner = cleaner(e)) {
422	>	final AtomicBoolean done = new AtomicBoolean(false);
423	>	Future<?> future = e.submit(new CheckedRunnable() {
424	>	public void realRun() {
425	>	done.set(true);
426	>	}});
427	>	assertNull(future.get());
428	>	assertNull(future.get(0, MILLISECONDS));
429	>	assertTrue(done.get());
430	>	assertTrue(future.isDone());
431	>	assertFalse(future.isCancelled());
432		}
433		}
434
378	–
435		/**
436		* Completed submit(callable) returns result
437		*/
438		public void testSubmitCallable() throws Throwable {
439		ExecutorService e = new ForkJoinPool(1);
440	<	try {
440	>	try (PoolCleaner cleaner = cleaner(e)) {
441		Future<String> future = e.submit(new StringTask());
442	<	String result = future.get();
443	<	assertSame(TEST_STRING, result);
444	<	} finally {
389	<	joinPool(e);
442	>	assertSame(TEST_STRING, future.get());
443	>	assertTrue(future.isDone());
444	>	assertFalse(future.isCancelled());
445		}
446		}
447
#	Line 395 | Line 450 | public class ForkJoinPoolTest extends JS
450		*/
451		public void testSubmitRunnable() throws Throwable {
452		ExecutorService e = new ForkJoinPool(1);
453	<	try {
453	>	try (PoolCleaner cleaner = cleaner(e)) {
454		Future<?> future = e.submit(new NoOpRunnable());
455	<	future.get();
455	>	assertNull(future.get());
456		assertTrue(future.isDone());
457	<	} finally {
403	<	joinPool(e);
457	>	assertFalse(future.isCancelled());
458		}
459		}
460
#	Line 409 | Line 463 | public class ForkJoinPoolTest extends JS
463		*/
464		public void testSubmitRunnable2() throws Throwable {
465		ExecutorService e = new ForkJoinPool(1);
466	<	try {
466	>	try (PoolCleaner cleaner = cleaner(e)) {
467		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
468	<	String result = future.get();
469	<	assertSame(TEST_STRING, result);
470	<	} finally {
417	<	joinPool(e);
468	>	assertSame(TEST_STRING, future.get());
469	>	assertTrue(future.isDone());
470	>	assertFalse(future.isCancelled());
471		}
472		}
473
421	–
474		/**
475	<	* A submitted privileged action to completion
475	>	* A submitted privileged action runs to completion
476		*/
477	<	public void testSubmitPrivilegedAction() throws Throwable {
478	<	Policy savedPolicy = null;
479	<	try {
480	<	savedPolicy = Policy.getPolicy();
481	<	AdjustablePolicy policy = new AdjustablePolicy();
430	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
431	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
432	<	Policy.setPolicy(policy);
433	<	} catch (AccessControlException ok) {
434	<	return;
435	<	}
436	<
437	<	try {
477	>	public void testSubmitPrivilegedAction() throws Exception {
478	>	final Callable callable = Executors.callable(new PrivilegedAction() {
479	>	public Object run() { return TEST_STRING; }});
480	>	Runnable r = new CheckedRunnable() {
481	>	public void realRun() throws Exception {
482		ExecutorService e = new ForkJoinPool(1);
483	<	try {
484	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
485	<	public Object run() {
442	<	return TEST_STRING;
443	<	}}));
444	<
445	<	Object result = future.get();
446	<	assertSame(TEST_STRING, result);
447	<	} finally {
448	<	joinPool(e);
483	>	try (PoolCleaner cleaner = cleaner(e)) {
484	>	Future future = e.submit(callable);
485	>	assertSame(TEST_STRING, future.get());
486		}
487	<	} finally {
488	<	Policy.setPolicy(savedPolicy);
489	<	}
487	>	}};
488	>
489	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
490		}
491
492		/**
493	<	* A submitted a privileged exception action runs to completion
493	>	* A submitted privileged exception action runs to completion
494		*/
495	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
496	<	Policy savedPolicy = null;
497	<	try {
498	<	savedPolicy = Policy.getPolicy();
499	<	AdjustablePolicy policy = new AdjustablePolicy();
500	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
464	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
465	<	Policy.setPolicy(policy);
466	<	} catch (AccessControlException ok) {
467	<	return;
468	<	}
469	<
470	<	try {
495	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
496	>	final Callable callable =
497	>	Executors.callable(new PrivilegedExceptionAction() {
498	>	public Object run() { return TEST_STRING; }});
499	>	Runnable r = new CheckedRunnable() {
500	>	public void realRun() throws Exception {
501		ExecutorService e = new ForkJoinPool(1);
502	<	try {
503	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
504	<	public Object run() {
475	<	return TEST_STRING;
476	<	}}));
477	<
478	<	Object result = future.get();
479	<	assertSame(TEST_STRING, result);
480	<	} finally {
481	<	joinPool(e);
502	>	try (PoolCleaner cleaner = cleaner(e)) {
503	>	Future future = e.submit(callable);
504	>	assertSame(TEST_STRING, future.get());
505		}
506	<	} finally {
507	<	Policy.setPolicy(savedPolicy);
508	<	}
506	>	}};
507	>
508	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
509		}
510
511		/**
512		* A submitted failed privileged exception action reports exception
513		*/
514	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
515	<	Policy savedPolicy = null;
516	<	try {
517	<	savedPolicy = Policy.getPolicy();
518	<	AdjustablePolicy policy = new AdjustablePolicy();
519	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
497	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
498	<	Policy.setPolicy(policy);
499	<	} catch (AccessControlException ok) {
500	<	return;
501	<	}
502	<
503	<	try {
514	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
515	>	final Callable callable =
516	>	Executors.callable(new PrivilegedExceptionAction() {
517	>	public Object run() { throw new IndexOutOfBoundsException(); }});
518	>	Runnable r = new CheckedRunnable() {
519	>	public void realRun() throws Exception {
520		ExecutorService e = new ForkJoinPool(1);
521	<	try {
522	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
523	<	public Object run() throws Exception {
524	<	throw new IndexOutOfBoundsException();
525	<	}}));
526	<
527	<	Object result = future.get();
528	<	shouldThrow();
513	<	} catch (ExecutionException success) {
514	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
515	<	} finally {
516	<	joinPool(e);
521	>	try (PoolCleaner cleaner = cleaner(e)) {
522	>	Future future = e.submit(callable);
523	>	try {
524	>	future.get();
525	>	shouldThrow();
526	>	} catch (ExecutionException success) {
527	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
528	>	}
529		}
530	<	} finally {
531	<	Policy.setPolicy(savedPolicy);
532	<	}
530	>	}};
531	>
532	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
533		}
534
535		/**
#	Line 525 | Line 537 | public class ForkJoinPoolTest extends JS
537		*/
538		public void testExecuteNullRunnable() {
539		ExecutorService e = new ForkJoinPool(1);
540	<	try {
541	<	TrackedShortRunnable task = null;
542	<	Future<?> future = e.submit(task);
543	<	shouldThrow();
544	<	} catch (NullPointerException success) {
533	<	} finally {
534	<	joinPool(e);
540	>	try (PoolCleaner cleaner = cleaner(e)) {
541	>	try {
542	>	Future<?> future = e.submit((Runnable) null);
543	>	shouldThrow();
544	>	} catch (NullPointerException success) {}
545		}
546		}
547
538	–
548		/**
549		* submit(null callable) throws NullPointerException
550		*/
551		public void testSubmitNullCallable() {
552		ExecutorService e = new ForkJoinPool(1);
553	<	try {
554	<	StringTask t = null;
555	<	Future<String> future = e.submit(t);
556	<	shouldThrow();
557	<	} catch (NullPointerException success) {
549	<	} finally {
550	<	joinPool(e);
553	>	try (PoolCleaner cleaner = cleaner(e)) {
554	>	try {
555	>	Future<String> future = e.submit((Callable) null);
556	>	shouldThrow();
557	>	} catch (NullPointerException success) {}
558		}
559		}
560
554	–
561		/**
562	<	* Blocking on submit(callable) throws InterruptedException if
557	<	* caller interrupted.
562	>	* submit(callable).get() throws InterruptedException if interrupted
563		*/
564		public void testInterruptedSubmit() throws InterruptedException {
565	<	final ForkJoinPool p = new ForkJoinPool(1);
566	<
567	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
568	<	public void realRun() throws Throwable {
569	<	p.submit(new CheckedCallable<Object>() {
570	<	public Object realCall() throws Throwable {
571	<	try {
572	<	Thread.sleep(MEDIUM_DELAY_MS);
573	<	} catch (InterruptedException ok) {
574	<	}
575	<	return null;
576	<	}}).get();
577	<	}});
578	<
579	<	t.start();
580	<	Thread.sleep(SHORT_DELAY_MS);
581	<	t.interrupt();
582	<	t.join();
583	<	p.shutdownNow();
584	<	joinPool(p);
565	>	final CountDownLatch submitted    = new CountDownLatch(1);
566	>	final CountDownLatch quittingTime = new CountDownLatch(1);
567	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
568	>	public Void realCall() throws InterruptedException {
569	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
570	>	return null;
571	>	}};
572	>	final ExecutorService p = new ForkJoinPool(1);
573	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
574	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
575	>	public void realRun() throws Exception {
576	>	Future<Void> future = p.submit(awaiter);
577	>	submitted.countDown();
578	>	future.get();
579	>	}});
580	>	t.start();
581	>	await(submitted);
582	>	t.interrupt();
583	>	awaitTermination(t);
584	>	}
585		}
586
587		/**
#	Line 585 | Line 590 | public class ForkJoinPoolTest extends JS
590		*/
591		public void testSubmitEE() throws Throwable {
592		ForkJoinPool p = new ForkJoinPool(1);
593	<	try {
594	<	p.submit(new Callable() {
595	<	public Object call() {
596	<	int i = 5/0;
597	<	return Boolean.TRUE;
598	<	}}).get();
599	<	shouldThrow();
600	<	} catch (ExecutionException success) {
601	<	assertTrue(success.getCause() instanceof ArithmeticException);
597	<	} finally {
598	<	joinPool(p);
593	>	try (PoolCleaner cleaner = cleaner(p)) {
594	>	try {
595	>	p.submit(new Callable() {
596	>	public Object call() { throw new ArithmeticException(); }})
597	>	.get();
598	>	shouldThrow();
599	>	} catch (ExecutionException success) {
600	>	assertTrue(success.getCause() instanceof ArithmeticException);
601	>	}
602		}
603		}
604
#	Line 604 | Line 607 | public class ForkJoinPoolTest extends JS
607		*/
608		public void testInvokeAny1() throws Throwable {
609		ExecutorService e = new ForkJoinPool(1);
610	<	try {
611	<	e.invokeAny(null);
612	<	shouldThrow();
613	<	} catch (NullPointerException success) {
614	<	} finally {
612	<	joinPool(e);
610	>	try (PoolCleaner cleaner = cleaner(e)) {
611	>	try {
612	>	e.invokeAny(null);
613	>	shouldThrow();
614	>	} catch (NullPointerException success) {}
615		}
616		}
617
#	Line 618 | Line 620 | public class ForkJoinPoolTest extends JS
620		*/
621		public void testInvokeAny2() throws Throwable {
622		ExecutorService e = new ForkJoinPool(1);
623	<	try {
624	<	e.invokeAny(new ArrayList<Callable<String>>());
625	<	shouldThrow();
626	<	} catch (IllegalArgumentException success) {
627	<	} finally {
626	<	joinPool(e);
623	>	try (PoolCleaner cleaner = cleaner(e)) {
624	>	try {
625	>	e.invokeAny(new ArrayList<Callable<String>>());
626	>	shouldThrow();
627	>	} catch (IllegalArgumentException success) {}
628		}
629		}
630
#	Line 632 | Line 633 | public class ForkJoinPoolTest extends JS
633		*/
634		public void testInvokeAny3() throws Throwable {
635		ExecutorService e = new ForkJoinPool(1);
636	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
637	<	l.add(null);
638	<	try {
639	<	e.invokeAny(l);
640	<	shouldThrow();
641	<	} catch (NullPointerException success) {
642	<	} finally {
642	<	joinPool(e);
636	>	try (PoolCleaner cleaner = cleaner(e)) {
637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
638	>	l.add(null);
639	>	try {
640	>	e.invokeAny(l);
641	>	shouldThrow();
642	>	} catch (NullPointerException success) {}
643		}
644		}
645
#	Line 649 | Line 649 | public class ForkJoinPoolTest extends JS
649		public void testInvokeAny4() throws Throwable {
650		CountDownLatch latch = new CountDownLatch(1);
651		ExecutorService e = new ForkJoinPool(1);
652	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
653	<	l.add(latchAwaitingStringTask(latch));
654	<	l.add(null);
655	<	try {
656	<	e.invokeAny(l);
657	<	shouldThrow();
658	<	} catch (NullPointerException success) {
659	<	} finally {
652	>	try (PoolCleaner cleaner = cleaner(e)) {
653	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
654	>	l.add(latchAwaitingStringTask(latch));
655	>	l.add(null);
656	>	try {
657	>	e.invokeAny(l);
658	>	shouldThrow();
659	>	} catch (NullPointerException success) {}
660		latch.countDown();
661	–	joinPool(e);
661		}
662		}
663
#	Line 667 | Line 666 | public class ForkJoinPoolTest extends JS
666		*/
667		public void testInvokeAny5() throws Throwable {
668		ExecutorService e = new ForkJoinPool(1);
669	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
670	<	l.add(new NPETask());
671	<	try {
672	<	e.invokeAny(l);
673	<	shouldThrow();
674	<	} catch (ExecutionException success) {
675	<	assertTrue(success.getCause() instanceof NullPointerException);
676	<	} finally {
677	<	joinPool(e);
669	>	try (PoolCleaner cleaner = cleaner(e)) {
670	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
671	>	l.add(new NPETask());
672	>	try {
673	>	e.invokeAny(l);
674	>	shouldThrow();
675	>	} catch (ExecutionException success) {
676	>	assertTrue(success.getCause() instanceof NullPointerException);
677	>	}
678		}
679		}
680
#	Line 684 | Line 683 | public class ForkJoinPoolTest extends JS
683		*/
684		public void testInvokeAny6() throws Throwable {
685		ExecutorService e = new ForkJoinPool(1);
686	<	try {
686	>	try (PoolCleaner cleaner = cleaner(e)) {
687		List<Callable<String>> l = new ArrayList<Callable<String>>();
688		l.add(new StringTask());
689		l.add(new StringTask());
690		String result = e.invokeAny(l);
691		assertSame(TEST_STRING, result);
693	–	} finally {
694	–	joinPool(e);
692		}
693		}
694
#	Line 700 | Line 697 | public class ForkJoinPoolTest extends JS
697		*/
698		public void testInvokeAll1() throws Throwable {
699		ExecutorService e = new ForkJoinPool(1);
700	<	try {
701	<	e.invokeAll(null);
702	<	shouldThrow();
703	<	} catch (NullPointerException success) {
704	<	} finally {
708	<	joinPool(e);
700	>	try (PoolCleaner cleaner = cleaner(e)) {
701	>	try {
702	>	e.invokeAll(null);
703	>	shouldThrow();
704	>	} catch (NullPointerException success) {}
705		}
706		}
707
#	Line 714 | Line 710 | public class ForkJoinPoolTest extends JS
710		*/
711		public void testInvokeAll2() throws InterruptedException {
712		ExecutorService e = new ForkJoinPool(1);
713	<	try {
713	>	try (PoolCleaner cleaner = cleaner(e)) {
714		List<Future<String>> r
715		= e.invokeAll(new ArrayList<Callable<String>>());
716		assertTrue(r.isEmpty());
721	–	} finally {
722	–	joinPool(e);
717		}
718		}
719
#	Line 728 | Line 722 | public class ForkJoinPoolTest extends JS
722		*/
723		public void testInvokeAll3() throws InterruptedException {
724		ExecutorService e = new ForkJoinPool(1);
725	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
726	<	l.add(new StringTask());
727	<	l.add(null);
728	<	try {
729	<	e.invokeAll(l);
730	<	shouldThrow();
731	<	} catch (NullPointerException success) {
732	<	} finally {
739	<	joinPool(e);
725	>	try (PoolCleaner cleaner = cleaner(e)) {
726	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
727	>	l.add(new StringTask());
728	>	l.add(null);
729	>	try {
730	>	e.invokeAll(l);
731	>	shouldThrow();
732	>	} catch (NullPointerException success) {}
733		}
734		}
735
#	Line 746 | Line 739 | public class ForkJoinPoolTest extends JS
739		*/
740		public void testInvokeAll4() throws Throwable {
741		ExecutorService e = new ForkJoinPool(1);
742	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
743	<	l.add(new NPETask());
744	<	List<Future<String>> futures = e.invokeAll(l);
745	<	assertEquals(1, futures.size());
746	<	try {
747	<	futures.get(0).get();
748	<	shouldThrow();
749	<	} catch (ExecutionException success) {
750	<	assertTrue(success.getCause() instanceof NullPointerException);
751	<	} finally {
752	<	joinPool(e);
742	>	try (PoolCleaner cleaner = cleaner(e)) {
743	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
744	>	l.add(new NPETask());
745	>	List<Future<String>> futures = e.invokeAll(l);
746	>	assertEquals(1, futures.size());
747	>	try {
748	>	futures.get(0).get();
749	>	shouldThrow();
750	>	} catch (ExecutionException success) {
751	>	assertTrue(success.getCause() instanceof NullPointerException);
752	>	}
753		}
754		}
755
#	Line 765 | Line 758 | public class ForkJoinPoolTest extends JS
758		*/
759		public void testInvokeAll5() throws Throwable {
760		ExecutorService e = new ForkJoinPool(1);
761	<	try {
761	>	try (PoolCleaner cleaner = cleaner(e)) {
762		List<Callable<String>> l = new ArrayList<Callable<String>>();
763		l.add(new StringTask());
764		l.add(new StringTask());
#	Line 773 | Line 766 | public class ForkJoinPoolTest extends JS
766		assertEquals(2, futures.size());
767		for (Future<String> future : futures)
768		assertSame(TEST_STRING, future.get());
776	–	} finally {
777	–	joinPool(e);
769		}
770		}
771
781	–
772		/**
773		* timed invokeAny(null) throws NullPointerException
774		*/
775		public void testTimedInvokeAny1() throws Throwable {
776		ExecutorService e = new ForkJoinPool(1);
777	<	try {
778	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
779	<	shouldThrow();
780	<	} catch (NullPointerException success) {
781	<	} finally {
792	<	joinPool(e);
777	>	try (PoolCleaner cleaner = cleaner(e)) {
778	>	try {
779	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
780	>	shouldThrow();
781	>	} catch (NullPointerException success) {}
782		}
783		}
784
#	Line 798 | Line 787 | public class ForkJoinPoolTest extends JS
787		*/
788		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
789		ExecutorService e = new ForkJoinPool(1);
790	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
791	<	l.add(new StringTask());
792	<	try {
793	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
794	<	shouldThrow();
795	<	} catch (NullPointerException success) {
796	<	} finally {
808	<	joinPool(e);
790	>	try (PoolCleaner cleaner = cleaner(e)) {
791	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
792	>	l.add(new StringTask());
793	>	try {
794	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
795	>	shouldThrow();
796	>	} catch (NullPointerException success) {}
797		}
798		}
799
#	Line 814 | Line 802 | public class ForkJoinPoolTest extends JS
802		*/
803		public void testTimedInvokeAny2() throws Throwable {
804		ExecutorService e = new ForkJoinPool(1);
805	<	try {
806	<	e.invokeAny(new ArrayList<Callable<String>>(),
807	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
808	<	shouldThrow();
809	<	} catch (IllegalArgumentException success) {
810	<	} finally {
823	<	joinPool(e);
805	>	try (PoolCleaner cleaner = cleaner(e)) {
806	>	try {
807	>	e.invokeAny(new ArrayList<Callable<String>>(),
808	>	MEDIUM_DELAY_MS, MILLISECONDS);
809	>	shouldThrow();
810	>	} catch (IllegalArgumentException success) {}
811		}
812		}
813
#	Line 830 | Line 817 | public class ForkJoinPoolTest extends JS
817		public void testTimedInvokeAny3() throws Throwable {
818		CountDownLatch latch = new CountDownLatch(1);
819		ExecutorService e = new ForkJoinPool(1);
820	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
821	<	l.add(latchAwaitingStringTask(latch));
822	<	l.add(null);
823	<	try {
824	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
825	<	shouldThrow();
826	<	} catch (NullPointerException success) {
827	<	} finally {
820	>	try (PoolCleaner cleaner = cleaner(e)) {
821	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
822	>	l.add(latchAwaitingStringTask(latch));
823	>	l.add(null);
824	>	try {
825	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
826	>	shouldThrow();
827	>	} catch (NullPointerException success) {}
828		latch.countDown();
842	–	joinPool(e);
829		}
830		}
831
#	Line 848 | Line 834 | public class ForkJoinPoolTest extends JS
834		*/
835		public void testTimedInvokeAny4() throws Throwable {
836		ExecutorService e = new ForkJoinPool(1);
837	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
838	<	l.add(new NPETask());
839	<	try {
840	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
841	<	shouldThrow();
842	<	} catch (ExecutionException success) {
843	<	assertTrue(success.getCause() instanceof NullPointerException);
844	<	} finally {
845	<	joinPool(e);
837	>	try (PoolCleaner cleaner = cleaner(e)) {
838	>	long startTime = System.nanoTime();
839	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
840	>	l.add(new NPETask());
841	>	try {
842	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
843	>	shouldThrow();
844	>	} catch (ExecutionException success) {
845	>	assertTrue(success.getCause() instanceof NullPointerException);
846	>	}
847	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
848		}
849		}
850
#	Line 865 | Line 853 | public class ForkJoinPoolTest extends JS
853		*/
854		public void testTimedInvokeAny5() throws Throwable {
855		ExecutorService e = new ForkJoinPool(1);
856	<	try {
856	>	try (PoolCleaner cleaner = cleaner(e)) {
857	>	long startTime = System.nanoTime();
858		List<Callable<String>> l = new ArrayList<Callable<String>>();
859		l.add(new StringTask());
860		l.add(new StringTask());
861	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
861	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
862		assertSame(TEST_STRING, result);
863	<	} finally {
875	<	joinPool(e);
863	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
864		}
865		}
866
#	Line 881 | Line 869 | public class ForkJoinPoolTest extends JS
869		*/
870		public void testTimedInvokeAll1() throws Throwable {
871		ExecutorService e = new ForkJoinPool(1);
872	<	try {
873	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
874	<	shouldThrow();
875	<	} catch (NullPointerException success) {
876	<	} finally {
889	<	joinPool(e);
872	>	try (PoolCleaner cleaner = cleaner(e)) {
873	>	try {
874	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
875	>	shouldThrow();
876	>	} catch (NullPointerException success) {}
877		}
878		}
879
#	Line 895 | Line 882 | public class ForkJoinPoolTest extends JS
882		*/
883		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
884		ExecutorService e = new ForkJoinPool(1);
885	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
886	<	l.add(new StringTask());
887	<	try {
888	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
889	<	shouldThrow();
890	<	} catch (NullPointerException success) {
891	<	} finally {
905	<	joinPool(e);
885	>	try (PoolCleaner cleaner = cleaner(e)) {
886	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
887	>	l.add(new StringTask());
888	>	try {
889	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
890	>	shouldThrow();
891	>	} catch (NullPointerException success) {}
892		}
893		}
894
#	Line 911 | Line 897 | public class ForkJoinPoolTest extends JS
897		*/
898		public void testTimedInvokeAll2() throws InterruptedException {
899		ExecutorService e = new ForkJoinPool(1);
900	<	try {
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901		List<Future<String>> r
902		= e.invokeAll(new ArrayList<Callable<String>>(),
903	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
903	>	MEDIUM_DELAY_MS, MILLISECONDS);
904		assertTrue(r.isEmpty());
919	–	} finally {
920	–	joinPool(e);
905		}
906		}
907
#	Line 926 | 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, TimeUnit.MILLISECONDS);
918	<	shouldThrow();
919	<	} catch (NullPointerException success) {
920	<	} finally {
937	<	joinPool(e);
913	>	try (PoolCleaner cleaner = cleaner(e)) {
914	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	>	l.add(new StringTask());
916	>	l.add(null);
917	>	try {
918	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
919	>	shouldThrow();
920	>	} catch (NullPointerException success) {}
921		}
922		}
923
#	Line 943 | 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, TimeUnit.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<Callable<String>>();
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 962 | 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 {
948	>	ForkJoinPool e = new ForkJoinPool(1);
949	>	try (PoolCleaner cleaner = cleaner(e)) {
950		List<Callable<String>> l = new ArrayList<Callable<String>>();
951		l.add(new StringTask());
952		l.add(new StringTask());
953		List<Future<String>> futures
954	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.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());
975	–	} finally {
976	–	joinPool(e);
958		}
959		}
960

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