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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.25 by jsr166, Mon Sep 13 20:48:58 2010 UTC vs.
Revision 1.65 by jsr166, Tue Oct 6 21:22:54 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 105 | Line 107 | public class ForkJoinPoolTest extends JS
107		static final class FibTask extends RecursiveTask<Integer> {
108		final int number;
109		FibTask(int n) { number = n; }
110	<	public Integer compute() {
110	>	protected Integer compute() {
111		int n = number;
112		if (n <= 1)
113		return n;
#	Line 133 | Line 135 | public class ForkJoinPoolTest extends JS
135		this.locker = locker;
136		this.lock = lock;
137		}
138	<	public Integer compute() {
138	>	protected Integer compute() {
139		int n;
140		LockingFibTask f1 = null;
141		LockingFibTask f2 = null;
#	Line 160 | Line 162 | public class ForkJoinPoolTest extends JS
162		*/
163		public void testDefaultInitialState() {
164		ForkJoinPool p = new ForkJoinPool(1);
165	<	try {
166	<	assertTrue(p.getFactory() ==
167	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
166	<	assertTrue(p.isQuiescent());
165	>	try (PoolCleaner cleaner = cleaner(p)) {
166	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
167	>	p.getFactory());
168		assertFalse(p.getAsyncMode());
169	<	assertTrue(p.getActiveThreadCount() == 0);
170	<	assertTrue(p.getStealCount() == 0);
171	<	assertTrue(p.getQueuedTaskCount() == 0);
172	<	assertTrue(p.getQueuedSubmissionCount() == 0);
169	>	assertEquals(0, p.getActiveThreadCount());
170	>	assertEquals(0, p.getStealCount());
171	>	assertEquals(0, p.getQueuedTaskCount());
172	>	assertEquals(0, p.getQueuedSubmissionCount());
173		assertFalse(p.hasQueuedSubmissions());
174		assertFalse(p.isShutdown());
175		assertFalse(p.isTerminating());
176		assertFalse(p.isTerminated());
176	–	} finally {
177	–	joinPool(p);
177		}
178		}
179
#	Line 198 | Line 197 | public class ForkJoinPoolTest extends JS
197		} catch (NullPointerException success) {}
198		}
199
201	–
200		/**
201		* getParallelism returns size set in constructor
202		*/
203		public void testGetParallelism() {
204		ForkJoinPool p = new ForkJoinPool(1);
205	<	try {
206	<	assertTrue(p.getParallelism() == 1);
209	<	} finally {
210	<	joinPool(p);
205	>	try (PoolCleaner cleaner = cleaner(p)) {
206	>	assertEquals(1, p.getParallelism());
207		}
208		}
209
#	Line 216 | Line 212 | public class ForkJoinPoolTest extends JS
212		*/
213		public void testGetPoolSize() {
214		ForkJoinPool p = new ForkJoinPool(1);
215	<	try {
216	<	assertTrue(p.getActiveThreadCount() == 0);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	assertEquals(0, p.getActiveThreadCount());
217		Future<String> future = p.submit(new StringTask());
218	<	assertTrue(p.getPoolSize() == 1);
219	<	} finally {
220	<	joinPool(p);
218	>	assertEquals(1, p.getPoolSize());
219	>	}
220	>	}
221	>
222	>	/**
223	>	* awaitTermination on a non-shutdown pool times out
224	>	*/
225	>	public void testAwaitTermination_timesOut() throws InterruptedException {
226	>	ForkJoinPool p = new ForkJoinPool(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertFalse(p.isTerminated());
229	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
230	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
231	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
232	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
233	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
234	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
235	>	long timeoutNanos = 999999L;
236	>	long startTime = System.nanoTime();
237	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
238	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
239	>	assertFalse(p.isTerminated());
240	>	startTime = System.nanoTime();
241	>	long timeoutMillis = timeoutMillis();
242	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
243	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
244	>	assertFalse(p.isTerminated());
245	>	p.shutdown();
246	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
247	>	assertTrue(p.isTerminated());
248		}
249		}
250
#	Line 232 | Line 255 | public class ForkJoinPoolTest extends JS
255		* performs its defined action
256		*/
257		public void testSetUncaughtExceptionHandler() throws InterruptedException {
258	<	MyHandler eh = new MyHandler();
259	<	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), eh, false);
260	<	try {
261	<	assert(eh == p.getUncaughtExceptionHandler());
262	<	p.execute(new FailingTask());
263	<	Thread.sleep(MEDIUM_DELAY_MS);
264	<	assertTrue(eh.catches > 0);
265	<	} finally {
266	<	p.shutdownNow();
267	<	joinPool(p);
258	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
259	>	final Thread.UncaughtExceptionHandler ueh =
260	>	new Thread.UncaughtExceptionHandler() {
261	>	public void uncaughtException(Thread t, Throwable e) {
262	>	uehInvoked.countDown();
263	>	}};
264	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
265	>	ueh, false);
266	>	try (PoolCleaner cleaner = cleaner(p)) {
267	>	assertSame(ueh, p.getUncaughtExceptionHandler());
268	>	try {
269	>	try {
270	>	p.execute(new FibTask(8));
271	>	await(uehInvoked);
272	>	} catch (RejectedExecutionException ok) {}
273	>	} finally {
274	>	p.shutdownNow(); // failure might have prevented processing task
275	>	}
276		}
277		}
278
279		/**
280	<	* After invoking a single task, isQuiescent is true,
281	<	* queues are empty, threads are not active, and
282	<	* construction parameters continue to hold
280	>	* After invoking a single task, isQuiescent eventually becomes
281	>	* true, at which time queues are empty, threads are not active,
282	>	* the task has completed successfully, and construction
283	>	* parameters continue to hold
284		*/
285	<	public void testisQuiescent() throws InterruptedException {
285	>	public void testIsQuiescent() throws Exception {
286		ForkJoinPool p = new ForkJoinPool(2);
287	<	try {
288	<	p.invoke(new FibTask(20));
289	<	assertTrue(p.getFactory() ==
290	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
291	<	Thread.sleep(MEDIUM_DELAY_MS);
287	>	try (PoolCleaner cleaner = cleaner(p)) {
288	>	assertTrue(p.isQuiescent());
289	>	long startTime = System.nanoTime();
290	>	FibTask f = new FibTask(20);
291	>	p.invoke(f);
292	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
293	>	p.getFactory());
294	>	while (! p.isQuiescent()) {
295	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
296	>	throw new AssertionFailedError("timed out");
297	>	assertFalse(p.getAsyncMode());
298	>	assertFalse(p.isShutdown());
299	>	assertFalse(p.isTerminating());
300	>	assertFalse(p.isTerminated());
301	>	Thread.yield();
302	>	}
303	>
304		assertTrue(p.isQuiescent());
305		assertFalse(p.getAsyncMode());
306	<	assertTrue(p.getActiveThreadCount() == 0);
307	<	assertTrue(p.getQueuedTaskCount() == 0);
308	<	assertTrue(p.getQueuedSubmissionCount() == 0);
306	>	assertEquals(0, p.getActiveThreadCount());
307	>	assertEquals(0, p.getQueuedTaskCount());
308	>	assertEquals(0, p.getQueuedSubmissionCount());
309		assertFalse(p.hasQueuedSubmissions());
310		assertFalse(p.isShutdown());
311		assertFalse(p.isTerminating());
312		assertFalse(p.isTerminated());
313	<	} finally {
314	<	joinPool(p);
313	>	assertTrue(f.isDone());
314	>	assertEquals(6765, (int) f.get());
315		}
316		}
317
#	Line 276 | Line 320 | public class ForkJoinPoolTest extends JS
320		*/
321		public void testSubmitForkJoinTask() throws Throwable {
322		ForkJoinPool p = new ForkJoinPool(1);
323	<	try {
323	>	try (PoolCleaner cleaner = cleaner(p)) {
324		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
325	<	int r = f.get();
282	<	assertTrue(r == 21);
283	<	} finally {
284	<	joinPool(p);
325	>	assertEquals(21, (int) f.get());
326		}
327		}
328
#	Line 290 | Line 331 | public class ForkJoinPoolTest extends JS
331		*/
332		public void testSubmitAfterShutdown() {
333		ForkJoinPool p = new ForkJoinPool(1);
334	<	try {
334	>	try (PoolCleaner cleaner = cleaner(p)) {
335		p.shutdown();
336		assertTrue(p.isShutdown());
337	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
338	<	shouldThrow();
339	<	} catch (RejectedExecutionException success) {
340	<	} finally {
300	<	joinPool(p);
337	>	try {
338	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
339	>	shouldThrow();
340	>	} catch (RejectedExecutionException success) {}
341		}
342		}
343
#	Line 309 | Line 349 | public class ForkJoinPoolTest extends JS
349		try {
350		ReentrantLock lock = new ReentrantLock();
351		ManagedLocker locker = new ManagedLocker(lock);
352	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
352	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
353		p.execute(f);
354	<	int r = f.get();
315	<	assertTrue(r == 832040);
354	>	assertEquals(6765, (int) f.get());
355		} finally {
356		p.shutdownNow(); // don't wait out shutdown
357		}
#	Line 322 | Line 361 | public class ForkJoinPoolTest extends JS
361		* pollSubmission returns unexecuted submitted task, if present
362		*/
363		public void testPollSubmission() {
364	+	final CountDownLatch done = new CountDownLatch(1);
365		SubFJP p = new SubFJP();
366	<	try {
367	<	ForkJoinTask a = p.submit(new MediumRunnable());
368	<	ForkJoinTask b = p.submit(new MediumRunnable());
369	<	ForkJoinTask c = p.submit(new MediumRunnable());
366	>	try (PoolCleaner cleaner = cleaner(p)) {
367	>	ForkJoinTask a = p.submit(awaiter(done));
368	>	ForkJoinTask b = p.submit(awaiter(done));
369	>	ForkJoinTask c = p.submit(awaiter(done));
370		ForkJoinTask r = p.pollSubmission();
371		assertTrue(r == a || r == b || r == c);
372		assertFalse(r.isDone());
373	<	} finally {
334	<	joinPool(p);
373	>	done.countDown();
374		}
375		}
376
#	Line 339 | Line 378 | public class ForkJoinPoolTest extends JS
378		* drainTasksTo transfers unexecuted submitted tasks, if present
379		*/
380		public void testDrainTasksTo() {
381	+	final CountDownLatch done = new CountDownLatch(1);
382		SubFJP p = new SubFJP();
383	<	try {
384	<	ForkJoinTask a = p.submit(new MediumRunnable());
385	<	ForkJoinTask b = p.submit(new MediumRunnable());
386	<	ForkJoinTask c = p.submit(new MediumRunnable());
383	>	try (PoolCleaner cleaner = cleaner(p)) {
384	>	ForkJoinTask a = p.submit(awaiter(done));
385	>	ForkJoinTask b = p.submit(awaiter(done));
386	>	ForkJoinTask c = p.submit(awaiter(done));
387		ArrayList<ForkJoinTask> al = new ArrayList();
388		p.drainTasksTo(al);
389		assertTrue(al.size() > 0);
#	Line 351 | Line 391 | public class ForkJoinPoolTest extends JS
391		assertTrue(r == a || r == b || r == c);
392		assertFalse(r.isDone());
393		}
394	<	} finally {
355	<	joinPool(p);
394	>	done.countDown();
395		}
396		}
397
359	–
398		// FJ Versions of AbstractExecutorService tests
399
400		/**
#	Line 364 | Line 402 | public class ForkJoinPoolTest extends JS
402		*/
403		public void testExecuteRunnable() throws Throwable {
404		ExecutorService e = new ForkJoinPool(1);
405	<	try {
406	<	TrackedShortRunnable task = new TrackedShortRunnable();
407	<	assertFalse(task.done);
408	<	Future<?> future = e.submit(task);
409	<	future.get();
410	<	assertTrue(task.done);
411	<	} finally {
412	<	joinPool(e);
405	>	try (PoolCleaner cleaner = cleaner(e)) {
406	>	final AtomicBoolean done = new AtomicBoolean(false);
407	>	Future<?> future = e.submit(new CheckedRunnable() {
408	>	public void realRun() {
409	>	done.set(true);
410	>	}});
411	>	assertNull(future.get());
412	>	assertNull(future.get(0, MILLISECONDS));
413	>	assertTrue(done.get());
414	>	assertTrue(future.isDone());
415	>	assertFalse(future.isCancelled());
416		}
417		}
418
378	–
419		/**
420		* Completed submit(callable) returns result
421		*/
422		public void testSubmitCallable() throws Throwable {
423		ExecutorService e = new ForkJoinPool(1);
424	<	try {
424	>	try (PoolCleaner cleaner = cleaner(e)) {
425		Future<String> future = e.submit(new StringTask());
426	<	String result = future.get();
427	<	assertSame(TEST_STRING, result);
428	<	} finally {
389	<	joinPool(e);
426	>	assertSame(TEST_STRING, future.get());
427	>	assertTrue(future.isDone());
428	>	assertFalse(future.isCancelled());
429		}
430		}
431
#	Line 395 | Line 434 | public class ForkJoinPoolTest extends JS
434		*/
435		public void testSubmitRunnable() throws Throwable {
436		ExecutorService e = new ForkJoinPool(1);
437	<	try {
437	>	try (PoolCleaner cleaner = cleaner(e)) {
438		Future<?> future = e.submit(new NoOpRunnable());
439	<	future.get();
439	>	assertNull(future.get());
440		assertTrue(future.isDone());
441	<	} finally {
403	<	joinPool(e);
441	>	assertFalse(future.isCancelled());
442		}
443		}
444
#	Line 409 | Line 447 | public class ForkJoinPoolTest extends JS
447		*/
448		public void testSubmitRunnable2() throws Throwable {
449		ExecutorService e = new ForkJoinPool(1);
450	<	try {
450	>	try (PoolCleaner cleaner = cleaner(e)) {
451		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
452	<	String result = future.get();
453	<	assertSame(TEST_STRING, result);
454	<	} finally {
417	<	joinPool(e);
452	>	assertSame(TEST_STRING, future.get());
453	>	assertTrue(future.isDone());
454	>	assertFalse(future.isCancelled());
455		}
456		}
457
421	–
458		/**
459	<	* A submitted privileged action to completion
459	>	* A submitted privileged action runs to completion
460		*/
461	<	public void testSubmitPrivilegedAction() throws Throwable {
462	<	Policy savedPolicy = null;
463	<	try {
464	<	savedPolicy = Policy.getPolicy();
465	<	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 {
461	>	public void testSubmitPrivilegedAction() throws Exception {
462	>	final Callable callable = Executors.callable(new PrivilegedAction() {
463	>	public Object run() { return TEST_STRING; }});
464	>	Runnable r = new CheckedRunnable() {
465	>	public void realRun() throws Exception {
466		ExecutorService e = new ForkJoinPool(1);
467	<	try {
468	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
469	<	public Object run() {
442	<	return TEST_STRING;
443	<	}}));
444	<
445	<	Object result = future.get();
446	<	assertSame(TEST_STRING, result);
447	<	} finally {
448	<	joinPool(e);
467	>	try (PoolCleaner cleaner = cleaner(e)) {
468	>	Future future = e.submit(callable);
469	>	assertSame(TEST_STRING, future.get());
470		}
471	<	} finally {
472	<	Policy.setPolicy(savedPolicy);
473	<	}
471	>	}};
472	>
473	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
474		}
475
476		/**
477	<	* A submitted a privileged exception action runs to completion
477	>	* A submitted privileged exception action runs to completion
478		*/
479	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
480	<	Policy savedPolicy = null;
481	<	try {
482	<	savedPolicy = Policy.getPolicy();
483	<	AdjustablePolicy policy = new AdjustablePolicy();
484	<	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 {
479	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
480	>	final Callable callable =
481	>	Executors.callable(new PrivilegedExceptionAction() {
482	>	public Object run() { return TEST_STRING; }});
483	>	Runnable r = new CheckedRunnable() {
484	>	public void realRun() throws Exception {
485		ExecutorService e = new ForkJoinPool(1);
486	<	try {
487	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
488	<	public Object run() {
475	<	return TEST_STRING;
476	<	}}));
477	<
478	<	Object result = future.get();
479	<	assertSame(TEST_STRING, result);
480	<	} finally {
481	<	joinPool(e);
486	>	try (PoolCleaner cleaner = cleaner(e)) {
487	>	Future future = e.submit(callable);
488	>	assertSame(TEST_STRING, future.get());
489		}
490	<	} finally {
491	<	Policy.setPolicy(savedPolicy);
492	<	}
490	>	}};
491	>
492	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
493		}
494
495		/**
496		* A submitted failed privileged exception action reports exception
497		*/
498	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
499	<	Policy savedPolicy = null;
500	<	try {
501	<	savedPolicy = Policy.getPolicy();
502	<	AdjustablePolicy policy = new AdjustablePolicy();
503	<	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 {
498	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
499	>	final Callable callable =
500	>	Executors.callable(new PrivilegedExceptionAction() {
501	>	public Object run() { throw new IndexOutOfBoundsException(); }});
502	>	Runnable r = new CheckedRunnable() {
503	>	public void realRun() throws Exception {
504		ExecutorService e = new ForkJoinPool(1);
505	<	try {
506	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
507	<	public Object run() throws Exception {
508	<	throw new IndexOutOfBoundsException();
509	<	}}));
510	<
511	<	Object result = future.get();
512	<	shouldThrow();
513	<	} catch (ExecutionException success) {
514	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
515	<	} finally {
516	<	joinPool(e);
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	Future future = e.submit(callable);
507	>	try {
508	>	future.get();
509	>	shouldThrow();
510	>	} catch (ExecutionException success) {
511	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
512	>	}
513		}
514	<	} finally {
515	<	Policy.setPolicy(savedPolicy);
516	<	}
514	>	}};
515	>
516	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
517		}
518
519		/**
#	Line 525 | Line 521 | public class ForkJoinPoolTest extends JS
521		*/
522		public void testExecuteNullRunnable() {
523		ExecutorService e = new ForkJoinPool(1);
524	<	try {
525	<	TrackedShortRunnable task = null;
526	<	Future<?> future = e.submit(task);
527	<	shouldThrow();
528	<	} catch (NullPointerException success) {
533	<	} finally {
534	<	joinPool(e);
524	>	try (PoolCleaner cleaner = cleaner(e)) {
525	>	try {
526	>	Future<?> future = e.submit((Runnable) null);
527	>	shouldThrow();
528	>	} catch (NullPointerException success) {}
529		}
530		}
531
538	–
532		/**
533		* submit(null callable) throws NullPointerException
534		*/
535		public void testSubmitNullCallable() {
536		ExecutorService e = new ForkJoinPool(1);
537	<	try {
538	<	StringTask t = null;
539	<	Future<String> future = e.submit(t);
540	<	shouldThrow();
541	<	} catch (NullPointerException success) {
549	<	} finally {
550	<	joinPool(e);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<String> future = e.submit((Callable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
554	–
545		/**
546	<	* Blocking on submit(callable) throws InterruptedException if
557	<	* caller interrupted.
546	>	* submit(callable).get() throws InterruptedException if interrupted
547		*/
548		public void testInterruptedSubmit() throws InterruptedException {
549	<	final ForkJoinPool p = new ForkJoinPool(1);
550	<
551	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
552	<	public void realRun() throws Throwable {
553	<	p.submit(new CheckedCallable<Object>() {
554	<	public Object realCall() throws Throwable {
555	<	try {
556	<	Thread.sleep(MEDIUM_DELAY_MS);
557	<	} catch (InterruptedException ok) {
558	<	}
559	<	return null;
560	<	}}).get();
561	<	}});
562	<
563	<	t.start();
564	<	Thread.sleep(SHORT_DELAY_MS);
565	<	t.interrupt();
566	<	t.join();
567	<	p.shutdownNow();
568	<	joinPool(p);
549	>	final CountDownLatch submitted    = new CountDownLatch(1);
550	>	final CountDownLatch quittingTime = new CountDownLatch(1);
551	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
552	>	public Void realCall() throws InterruptedException {
553	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
554	>	return null;
555	>	}};
556	>	final ExecutorService p = new ForkJoinPool(1);
557	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
558	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
559	>	public void realRun() throws Exception {
560	>	Future<Void> future = p.submit(awaiter);
561	>	submitted.countDown();
562	>	future.get();
563	>	}});
564	>	t.start();
565	>	await(submitted);
566	>	t.interrupt();
567	>	awaitTermination(t);
568	>	}
569		}
570
571		/**
#	Line 585 | Line 574 | public class ForkJoinPoolTest extends JS
574		*/
575		public void testSubmitEE() throws Throwable {
576		ForkJoinPool p = new ForkJoinPool(1);
577	<	try {
578	<	p.submit(new Callable() {
579	<	public Object call() {
580	<	int i = 5/0;
581	<	return Boolean.TRUE;
582	<	}}).get();
583	<	shouldThrow();
584	<	} catch (ExecutionException success) {
585	<	assertTrue(success.getCause() instanceof ArithmeticException);
597	<	} finally {
598	<	joinPool(p);
577	>	try (PoolCleaner cleaner = cleaner(p)) {
578	>	try {
579	>	p.submit(new Callable() {
580	>	public Object call() { throw new ArithmeticException(); }})
581	>	.get();
582	>	shouldThrow();
583	>	} catch (ExecutionException success) {
584	>	assertTrue(success.getCause() instanceof ArithmeticException);
585	>	}
586		}
587		}
588
#	Line 604 | Line 591 | public class ForkJoinPoolTest extends JS
591		*/
592		public void testInvokeAny1() throws Throwable {
593		ExecutorService e = new ForkJoinPool(1);
594	<	try {
595	<	e.invokeAny(null);
596	<	shouldThrow();
597	<	} catch (NullPointerException success) {
598	<	} finally {
612	<	joinPool(e);
594	>	try (PoolCleaner cleaner = cleaner(e)) {
595	>	try {
596	>	e.invokeAny(null);
597	>	shouldThrow();
598	>	} catch (NullPointerException success) {}
599		}
600		}
601
#	Line 618 | Line 604 | public class ForkJoinPoolTest extends JS
604		*/
605		public void testInvokeAny2() throws Throwable {
606		ExecutorService e = new ForkJoinPool(1);
607	<	try {
608	<	e.invokeAny(new ArrayList<Callable<String>>());
609	<	shouldThrow();
610	<	} catch (IllegalArgumentException success) {
611	<	} finally {
626	<	joinPool(e);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(new ArrayList<Callable<String>>());
610	>	shouldThrow();
611	>	} catch (IllegalArgumentException success) {}
612		}
613		}
614
#	Line 632 | Line 617 | public class ForkJoinPoolTest extends JS
617		*/
618		public void testInvokeAny3() throws Throwable {
619		ExecutorService e = new ForkJoinPool(1);
620	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
621	<	l.add(null);
622	<	try {
623	<	e.invokeAny(l);
624	<	shouldThrow();
625	<	} catch (NullPointerException success) {
626	<	} finally {
642	<	joinPool(e);
620	>	try (PoolCleaner cleaner = cleaner(e)) {
621	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
622	>	l.add(null);
623	>	try {
624	>	e.invokeAny(l);
625	>	shouldThrow();
626	>	} catch (NullPointerException success) {}
627		}
628		}
629
#	Line 649 | Line 633 | public class ForkJoinPoolTest extends JS
633		public void testInvokeAny4() throws Throwable {
634		CountDownLatch latch = new CountDownLatch(1);
635		ExecutorService e = new ForkJoinPool(1);
636	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
637	<	l.add(latchAwaitingStringTask(latch));
638	<	l.add(null);
639	<	try {
640	<	e.invokeAny(l);
641	<	shouldThrow();
642	<	} catch (NullPointerException success) {
643	<	} finally {
636	>	try (PoolCleaner cleaner = cleaner(e)) {
637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
638	>	l.add(latchAwaitingStringTask(latch));
639	>	l.add(null);
640	>	try {
641	>	e.invokeAny(l);
642	>	shouldThrow();
643	>	} catch (NullPointerException success) {}
644		latch.countDown();
661	–	joinPool(e);
645		}
646		}
647
#	Line 667 | Line 650 | public class ForkJoinPoolTest extends JS
650		*/
651		public void testInvokeAny5() throws Throwable {
652		ExecutorService e = new ForkJoinPool(1);
653	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
654	<	l.add(new NPETask());
655	<	try {
656	<	e.invokeAny(l);
657	<	shouldThrow();
658	<	} catch (ExecutionException success) {
659	<	assertTrue(success.getCause() instanceof NullPointerException);
660	<	} finally {
661	<	joinPool(e);
653	>	try (PoolCleaner cleaner = cleaner(e)) {
654	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
655	>	l.add(new NPETask());
656	>	try {
657	>	e.invokeAny(l);
658	>	shouldThrow();
659	>	} catch (ExecutionException success) {
660	>	assertTrue(success.getCause() instanceof NullPointerException);
661	>	}
662		}
663		}
664
#	Line 684 | Line 667 | public class ForkJoinPoolTest extends JS
667		*/
668		public void testInvokeAny6() throws Throwable {
669		ExecutorService e = new ForkJoinPool(1);
670	<	try {
670	>	try (PoolCleaner cleaner = cleaner(e)) {
671		List<Callable<String>> l = new ArrayList<Callable<String>>();
672		l.add(new StringTask());
673		l.add(new StringTask());
674		String result = e.invokeAny(l);
675		assertSame(TEST_STRING, result);
693	–	} finally {
694	–	joinPool(e);
676		}
677		}
678
#	Line 700 | Line 681 | public class ForkJoinPoolTest extends JS
681		*/
682		public void testInvokeAll1() throws Throwable {
683		ExecutorService e = new ForkJoinPool(1);
684	<	try {
685	<	e.invokeAll(null);
686	<	shouldThrow();
687	<	} catch (NullPointerException success) {
688	<	} finally {
708	<	joinPool(e);
684	>	try (PoolCleaner cleaner = cleaner(e)) {
685	>	try {
686	>	e.invokeAll(null);
687	>	shouldThrow();
688	>	} catch (NullPointerException success) {}
689		}
690		}
691
#	Line 714 | Line 694 | public class ForkJoinPoolTest extends JS
694		*/
695		public void testInvokeAll2() throws InterruptedException {
696		ExecutorService e = new ForkJoinPool(1);
697	<	try {
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698		List<Future<String>> r
699		= e.invokeAll(new ArrayList<Callable<String>>());
700		assertTrue(r.isEmpty());
721	–	} finally {
722	–	joinPool(e);
701		}
702		}
703
#	Line 728 | Line 706 | public class ForkJoinPoolTest extends JS
706		*/
707		public void testInvokeAll3() throws InterruptedException {
708		ExecutorService e = new ForkJoinPool(1);
709	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
710	<	l.add(new StringTask());
711	<	l.add(null);
712	<	try {
713	<	e.invokeAll(l);
714	<	shouldThrow();
715	<	} catch (NullPointerException success) {
716	<	} finally {
739	<	joinPool(e);
709	>	try (PoolCleaner cleaner = cleaner(e)) {
710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
711	>	l.add(new StringTask());
712	>	l.add(null);
713	>	try {
714	>	e.invokeAll(l);
715	>	shouldThrow();
716	>	} catch (NullPointerException success) {}
717		}
718		}
719
#	Line 746 | Line 723 | public class ForkJoinPoolTest extends JS
723		*/
724		public void testInvokeAll4() throws Throwable {
725		ExecutorService e = new ForkJoinPool(1);
726	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
727	<	l.add(new NPETask());
728	<	List<Future<String>> futures = e.invokeAll(l);
729	<	assertEquals(1, futures.size());
730	<	try {
731	<	futures.get(0).get();
732	<	shouldThrow();
733	<	} catch (ExecutionException success) {
734	<	assertTrue(success.getCause() instanceof NullPointerException);
735	<	} finally {
736	<	joinPool(e);
726	>	try (PoolCleaner cleaner = cleaner(e)) {
727	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
728	>	l.add(new NPETask());
729	>	List<Future<String>> futures = e.invokeAll(l);
730	>	assertEquals(1, futures.size());
731	>	try {
732	>	futures.get(0).get();
733	>	shouldThrow();
734	>	} catch (ExecutionException success) {
735	>	assertTrue(success.getCause() instanceof NullPointerException);
736	>	}
737		}
738		}
739
#	Line 765 | Line 742 | public class ForkJoinPoolTest extends JS
742		*/
743		public void testInvokeAll5() throws Throwable {
744		ExecutorService e = new ForkJoinPool(1);
745	<	try {
745	>	try (PoolCleaner cleaner = cleaner(e)) {
746		List<Callable<String>> l = new ArrayList<Callable<String>>();
747		l.add(new StringTask());
748		l.add(new StringTask());
#	Line 773 | Line 750 | public class ForkJoinPoolTest extends JS
750		assertEquals(2, futures.size());
751		for (Future<String> future : futures)
752		assertSame(TEST_STRING, future.get());
776	–	} finally {
777	–	joinPool(e);
753		}
754		}
755
781	–
756		/**
757		* timed invokeAny(null) throws NullPointerException
758		*/
759		public void testTimedInvokeAny1() throws Throwable {
760		ExecutorService e = new ForkJoinPool(1);
761	<	try {
762	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
763	<	shouldThrow();
764	<	} catch (NullPointerException success) {
765	<	} finally {
792	<	joinPool(e);
761	>	try (PoolCleaner cleaner = cleaner(e)) {
762	>	try {
763	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
764	>	shouldThrow();
765	>	} catch (NullPointerException success) {}
766		}
767		}
768
#	Line 798 | Line 771 | public class ForkJoinPoolTest extends JS
771		*/
772		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
773		ExecutorService e = new ForkJoinPool(1);
774	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
775	<	l.add(new StringTask());
776	<	try {
777	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
778	<	shouldThrow();
779	<	} catch (NullPointerException success) {
780	<	} finally {
808	<	joinPool(e);
774	>	try (PoolCleaner cleaner = cleaner(e)) {
775	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
776	>	l.add(new StringTask());
777	>	try {
778	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
779	>	shouldThrow();
780	>	} catch (NullPointerException success) {}
781		}
782		}
783
#	Line 814 | Line 786 | public class ForkJoinPoolTest extends JS
786		*/
787		public void testTimedInvokeAny2() throws Throwable {
788		ExecutorService e = new ForkJoinPool(1);
789	<	try {
790	<	e.invokeAny(new ArrayList<Callable<String>>(),
791	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
792	<	shouldThrow();
793	<	} catch (IllegalArgumentException success) {
794	<	} finally {
823	<	joinPool(e);
789	>	try (PoolCleaner cleaner = cleaner(e)) {
790	>	try {
791	>	e.invokeAny(new ArrayList<Callable<String>>(),
792	>	MEDIUM_DELAY_MS, MILLISECONDS);
793	>	shouldThrow();
794	>	} catch (IllegalArgumentException success) {}
795		}
796		}
797
#	Line 830 | Line 801 | public class ForkJoinPoolTest extends JS
801		public void testTimedInvokeAny3() throws Throwable {
802		CountDownLatch latch = new CountDownLatch(1);
803		ExecutorService e = new ForkJoinPool(1);
804	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
805	<	l.add(latchAwaitingStringTask(latch));
806	<	l.add(null);
807	<	try {
808	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
809	<	shouldThrow();
810	<	} catch (NullPointerException success) {
811	<	} finally {
804	>	try (PoolCleaner cleaner = cleaner(e)) {
805	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
806	>	l.add(latchAwaitingStringTask(latch));
807	>	l.add(null);
808	>	try {
809	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
810	>	shouldThrow();
811	>	} catch (NullPointerException success) {}
812		latch.countDown();
842	–	joinPool(e);
813		}
814		}
815
#	Line 848 | Line 818 | public class ForkJoinPoolTest extends JS
818		*/
819		public void testTimedInvokeAny4() throws Throwable {
820		ExecutorService e = new ForkJoinPool(1);
821	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
822	<	l.add(new NPETask());
823	<	try {
824	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
825	<	shouldThrow();
826	<	} catch (ExecutionException success) {
827	<	assertTrue(success.getCause() instanceof NullPointerException);
828	<	} finally {
829	<	joinPool(e);
821	>	try (PoolCleaner cleaner = cleaner(e)) {
822	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
823	>	l.add(new NPETask());
824	>	try {
825	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
826	>	shouldThrow();
827	>	} catch (ExecutionException success) {
828	>	assertTrue(success.getCause() instanceof NullPointerException);
829	>	}
830		}
831		}
832
#	Line 865 | Line 835 | public class ForkJoinPoolTest extends JS
835		*/
836		public void testTimedInvokeAny5() throws Throwable {
837		ExecutorService e = new ForkJoinPool(1);
838	<	try {
838	>	try (PoolCleaner cleaner = cleaner(e)) {
839		List<Callable<String>> l = new ArrayList<Callable<String>>();
840		l.add(new StringTask());
841		l.add(new StringTask());
842	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
842	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
843		assertSame(TEST_STRING, result);
874	–	} finally {
875	–	joinPool(e);
844		}
845		}
846
#	Line 881 | Line 849 | public class ForkJoinPoolTest extends JS
849		*/
850		public void testTimedInvokeAll1() throws Throwable {
851		ExecutorService e = new ForkJoinPool(1);
852	<	try {
853	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
854	<	shouldThrow();
855	<	} catch (NullPointerException success) {
856	<	} finally {
889	<	joinPool(e);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853	>	try {
854	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
855	>	shouldThrow();
856	>	} catch (NullPointerException success) {}
857		}
858		}
859
#	Line 895 | Line 862 | public class ForkJoinPoolTest extends JS
862		*/
863		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
864		ExecutorService e = new ForkJoinPool(1);
865	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
866	<	l.add(new StringTask());
867	<	try {
868	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
869	<	shouldThrow();
870	<	} catch (NullPointerException success) {
871	<	} finally {
905	<	joinPool(e);
865	>	try (PoolCleaner cleaner = cleaner(e)) {
866	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
867	>	l.add(new StringTask());
868	>	try {
869	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
870	>	shouldThrow();
871	>	} catch (NullPointerException success) {}
872		}
873		}
874
#	Line 911 | Line 877 | public class ForkJoinPoolTest extends JS
877		*/
878		public void testTimedInvokeAll2() throws InterruptedException {
879		ExecutorService e = new ForkJoinPool(1);
880	<	try {
880	>	try (PoolCleaner cleaner = cleaner(e)) {
881		List<Future<String>> r
882		= e.invokeAll(new ArrayList<Callable<String>>(),
883	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
883	>	MEDIUM_DELAY_MS, MILLISECONDS);
884		assertTrue(r.isEmpty());
919	–	} finally {
920	–	joinPool(e);
885		}
886		}
887
#	Line 926 | Line 890 | public class ForkJoinPoolTest extends JS
890		*/
891		public void testTimedInvokeAll3() throws InterruptedException {
892		ExecutorService e = new ForkJoinPool(1);
893	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
894	<	l.add(new StringTask());
895	<	l.add(null);
896	<	try {
897	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
898	<	shouldThrow();
899	<	} catch (NullPointerException success) {
900	<	} finally {
937	<	joinPool(e);
893	>	try (PoolCleaner cleaner = cleaner(e)) {
894	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
895	>	l.add(new StringTask());
896	>	l.add(null);
897	>	try {
898	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
899	>	shouldThrow();
900	>	} catch (NullPointerException success) {}
901		}
902		}
903
#	Line 943 | Line 906 | public class ForkJoinPoolTest extends JS
906		*/
907		public void testTimedInvokeAll4() throws Throwable {
908		ExecutorService e = new ForkJoinPool(1);
909	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
910	<	l.add(new NPETask());
911	<	List<Future<String>> futures
912	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
913	<	assertEquals(1, futures.size());
914	<	try {
915	<	futures.get(0).get();
916	<	shouldThrow();
917	<	} catch (ExecutionException success) {
918	<	assertTrue(success.getCause() instanceof NullPointerException);
919	<	} finally {
920	<	joinPool(e);
909	>	try (PoolCleaner cleaner = cleaner(e)) {
910	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
911	>	l.add(new NPETask());
912	>	List<Future<String>> futures
913	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
914	>	assertEquals(1, futures.size());
915	>	try {
916	>	futures.get(0).get();
917	>	shouldThrow();
918	>	} catch (ExecutionException success) {
919	>	assertTrue(success.getCause() instanceof NullPointerException);
920	>	}
921		}
922		}
923
#	Line 962 | Line 925 | public class ForkJoinPoolTest extends JS
925		* timed invokeAll(c) returns results of all completed tasks in c
926		*/
927		public void testTimedInvokeAll5() throws Throwable {
928	<	ExecutorService e = new ForkJoinPool(1);
929	<	try {
928	>	ForkJoinPool e = new ForkJoinPool(1);
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930		List<Callable<String>> l = new ArrayList<Callable<String>>();
931		l.add(new StringTask());
932		l.add(new StringTask());
933		List<Future<String>> futures
934	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
934	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
935		assertEquals(2, futures.size());
936		for (Future<String> future : futures)
937		assertSame(TEST_STRING, future.get());
975	–	} finally {
976	–	joinPool(e);
938		}
939		}
940

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