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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.30 by jsr166, Fri Sep 17 17:07:47 2010 UTC vs.
Revision 1.74 by jsr166, Mon May 29 19:15:02 2017 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.atomic.AtomicInteger;
28		import java.util.concurrent.locks.ReentrantLock;
29	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
30	<	import java.security.AccessControlException;
31	<	import java.security.Policy;
32	<	import java.security.PrivilegedAction;
30	<	import java.security.PrivilegedExceptionAction;
29	>
30	>	import junit.framework.AssertionFailedError;
31	>	import junit.framework.Test;
32	>	import junit.framework.TestSuite;
33
34		public class ForkJoinPoolTest extends JSR166TestCase {
35		public static void main(String[] args) {
36	<	junit.textui.TestRunner.run(suite());
36	>	main(suite(), args);
37		}
38
39		public static Test suite() {
40		return new TestSuite(ForkJoinPoolTest.class);
41		}
42
43	<	/**
43	>	/*
44		* Testing coverage notes:
45		*
46		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 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;
#	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());
167	–	assertTrue(p.isQuiescent());
164		assertFalse(p.getAsyncMode());
165		assertEquals(0, p.getActiveThreadCount());
166		assertEquals(0, p.getStealCount());
#	Line 174 | Line 170 | public class ForkJoinPoolTest extends JS
170		assertFalse(p.isShutdown());
171		assertFalse(p.isTerminating());
172		assertFalse(p.isTerminated());
177	–	} finally {
178	–	joinPool(p);
173		}
174		}
175
#	Line 199 | Line 193 | public class ForkJoinPoolTest extends JS
193		} catch (NullPointerException success) {}
194		}
195
202	–
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());
210	–	} finally {
211	–	joinPool(p);
203		}
204		}
205
#	Line 216 | 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 234 | 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	<	Thread.sleep(SMALL_DELAY_MS);
304	>	while (! p.isQuiescent()) {
305	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
306	>	throw new AssertionFailedError("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());
269	–	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 283 | 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());
289	–	} finally {
290	–	joinPool(p);
339		}
340		}
341
#	Line 296 | Line 344 | public class ForkJoinPoolTest extends JS
344		*/
345		public void testSubmitAfterShutdown() {
346		ForkJoinPool p = new ForkJoinPool(1);
347	<	try {
347	>	try (PoolCleaner cleaner = cleaner(p)) {
348		p.shutdown();
349		assertTrue(p.isShutdown());
350		try {
351		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
352		shouldThrow();
353		} catch (RejectedExecutionException success) {}
306	–	} finally {
307	–	joinPool(p);
354		}
355		}
356
#	Line 316 | Line 362 | public class ForkJoinPoolTest extends JS
362		try {
363		ReentrantLock lock = new ReentrantLock();
364		ManagedLocker locker = new ManagedLocker(lock);
365	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
365	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
366		p.execute(f);
367	<	assertEquals(832040, (int) f.get());
367	>	assertEquals(6765, (int) f.get());
368		} finally {
369		p.shutdownNow(); // don't wait out shutdown
370		}
#	Line 328 | Line 374 | public class ForkJoinPoolTest extends JS
374		* pollSubmission returns unexecuted submitted task, if present
375		*/
376		public void testPollSubmission() {
377	+	final CountDownLatch done = new CountDownLatch(1);
378		SubFJP p = new SubFJP();
379	<	try {
380	<	ForkJoinTask a = p.submit(new MediumRunnable());
381	<	ForkJoinTask b = p.submit(new MediumRunnable());
382	<	ForkJoinTask c = p.submit(new MediumRunnable());
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());
386	<	} finally {
340	<	joinPool(p);
386	>	done.countDown();
387		}
388		}
389
#	Line 345 | Line 391 | public class ForkJoinPoolTest extends JS
391		* drainTasksTo transfers unexecuted submitted tasks, if present
392		*/
393		public void testDrainTasksTo() {
394	+	final CountDownLatch done = new CountDownLatch(1);
395		SubFJP p = new SubFJP();
396	<	try {
397	<	ForkJoinTask a = p.submit(new MediumRunnable());
398	<	ForkJoinTask b = p.submit(new MediumRunnable());
399	<	ForkJoinTask c = p.submit(new MediumRunnable());
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);
#	Line 357 | Line 404 | public class ForkJoinPoolTest extends JS
404		assertTrue(r == a || r == b || r == c);
405		assertFalse(r.isDone());
406		}
407	<	} finally {
361	<	joinPool(p);
407	>	done.countDown();
408		}
409		}
410
365	–
411		// FJ Versions of AbstractExecutorService tests
412
413		/**
#	Line 370 | Line 415 | public class ForkJoinPoolTest extends JS
415		*/
416		public void testExecuteRunnable() throws Throwable {
417		ExecutorService e = new ForkJoinPool(1);
418	<	try {
419	<	TrackedShortRunnable task = new TrackedShortRunnable();
420	<	assertFalse(task.done);
421	<	Future<?> future = e.submit(task);
422	<	future.get();
423	<	assertTrue(task.done);
424	<	} finally {
425	<	joinPool(e);
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(randomExpiredTimeout(), randomTimeUnit()));
426	>	assertTrue(done.get());
427	>	assertTrue(future.isDone());
428	>	assertFalse(future.isCancelled());
429		}
430		}
431
384	–
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	<	String result = future.get();
440	<	assertSame(TEST_STRING, result);
441	<	} finally {
395	<	joinPool(e);
439	>	assertSame(TEST_STRING, future.get());
440	>	assertTrue(future.isDone());
441	>	assertFalse(future.isCancelled());
442		}
443		}
444
#	Line 401 | 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	<	future.get();
452	>	assertNull(future.get());
453		assertTrue(future.isDone());
454	<	} finally {
409	<	joinPool(e);
454	>	assertFalse(future.isCancelled());
455		}
456		}
457
#	Line 415 | 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	<	String result = future.get();
466	<	assertSame(TEST_STRING, result);
467	<	} finally {
423	<	joinPool(e);
465	>	assertSame(TEST_STRING, future.get());
466	>	assertTrue(future.isDone());
467	>	assertFalse(future.isCancelled());
468		}
469		}
470
427	–
471		/**
472	<	* A submitted privileged action to completion
472	>	* A submitted privileged action runs to completion
473		*/
474	<	public void testSubmitPrivilegedAction() throws Throwable {
475	<	Policy savedPolicy = null;
476	<	try {
477	<	savedPolicy = Policy.getPolicy();
478	<	AdjustablePolicy policy = new AdjustablePolicy();
436	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
437	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
438	<	Policy.setPolicy(policy);
439	<	} catch (AccessControlException ok) {
440	<	return;
441	<	}
442	<
443	<	try {
474	>	public void testSubmitPrivilegedAction() throws Exception {
475	>	final Callable callable = Executors.callable(new PrivilegedAction() {
476	>	public Object run() { return TEST_STRING; }});
477	>	Runnable r = new CheckedRunnable() {
478	>	public void realRun() throws Exception {
479		ExecutorService e = new ForkJoinPool(1);
480	<	try {
481	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
482	<	public Object run() {
448	<	return TEST_STRING;
449	<	}}));
450	<
451	<	Object result = future.get();
452	<	assertSame(TEST_STRING, result);
453	<	} finally {
454	<	joinPool(e);
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	Future future = e.submit(callable);
482	>	assertSame(TEST_STRING, future.get());
483		}
484	<	} finally {
485	<	Policy.setPolicy(savedPolicy);
486	<	}
484	>	}};
485	>
486	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
487		}
488
489		/**
490	<	* A submitted a privileged exception action runs to completion
490	>	* A submitted privileged exception action runs to completion
491		*/
492	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
493	<	Policy savedPolicy = null;
494	<	try {
495	<	savedPolicy = Policy.getPolicy();
496	<	AdjustablePolicy policy = new AdjustablePolicy();
497	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
470	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
471	<	Policy.setPolicy(policy);
472	<	} catch (AccessControlException ok) {
473	<	return;
474	<	}
475	<
476	<	try {
492	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
493	>	final Callable callable =
494	>	Executors.callable(new PrivilegedExceptionAction() {
495	>	public Object run() { return TEST_STRING; }});
496	>	Runnable r = new CheckedRunnable() {
497	>	public void realRun() throws Exception {
498		ExecutorService e = new ForkJoinPool(1);
499	<	try {
500	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
501	<	public Object run() {
481	<	return TEST_STRING;
482	<	}}));
483	<
484	<	Object result = future.get();
485	<	assertSame(TEST_STRING, result);
486	<	} finally {
487	<	joinPool(e);
499	>	try (PoolCleaner cleaner = cleaner(e)) {
500	>	Future future = e.submit(callable);
501	>	assertSame(TEST_STRING, future.get());
502		}
503	<	} finally {
504	<	Policy.setPolicy(savedPolicy);
505	<	}
503	>	}};
504	>
505	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
506		}
507
508		/**
509		* A submitted failed privileged exception action reports exception
510		*/
511	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
512	<	Policy savedPolicy = null;
513	<	try {
514	<	savedPolicy = Policy.getPolicy();
515	<	AdjustablePolicy policy = new AdjustablePolicy();
516	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
503	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
504	<	Policy.setPolicy(policy);
505	<	} catch (AccessControlException ok) {
506	<	return;
507	<	}
508	<
509	<	try {
511	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
512	>	final Callable callable =
513	>	Executors.callable(new PrivilegedExceptionAction() {
514	>	public Object run() { throw new IndexOutOfBoundsException(); }});
515	>	Runnable r = new CheckedRunnable() {
516	>	public void realRun() throws Exception {
517		ExecutorService e = new ForkJoinPool(1);
518	<	try {
519	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
520	<	public Object run() throws Exception {
521	<	throw new IndexOutOfBoundsException();
522	<	}}));
523	<
524	<	Object result = future.get();
525	<	shouldThrow();
519	<	} catch (ExecutionException success) {
520	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
521	<	} finally {
522	<	joinPool(e);
518	>	try (PoolCleaner cleaner = cleaner(e)) {
519	>	Future future = e.submit(callable);
520	>	try {
521	>	future.get();
522	>	shouldThrow();
523	>	} catch (ExecutionException success) {
524	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
525	>	}
526		}
527	<	} finally {
528	<	Policy.setPolicy(savedPolicy);
529	<	}
527	>	}};
528	>
529	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
530		}
531
532		/**
#	Line 531 | Line 534 | public class ForkJoinPoolTest extends JS
534		*/
535		public void testExecuteNullRunnable() {
536		ExecutorService e = new ForkJoinPool(1);
537	<	TrackedShortRunnable task = null;
538	<	try {
539	<	Future<?> future = e.submit(task);
540	<	shouldThrow();
541	<	} catch (NullPointerException success) {
539	<	} finally {
540	<	joinPool(e);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<?> future = e.submit((Runnable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
544	–
545		/**
546		* submit(null callable) throws NullPointerException
547		*/
548		public void testSubmitNullCallable() {
549		ExecutorService e = new ForkJoinPool(1);
550	<	StringTask t = null;
551	<	try {
552	<	Future<String> future = e.submit(t);
553	<	shouldThrow();
554	<	} catch (NullPointerException success) {
555	<	} finally {
556	<	joinPool(e);
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	try {
552	>	Future<String> future = e.submit((Callable) null);
553	>	shouldThrow();
554	>	} catch (NullPointerException success) {}
555		}
556		}
557
560	–
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);
567	–	final ExecutorService p = new ForkJoinPool(1);
564		final Callable<Void> awaiter = new CheckedCallable<Void>() {
565		public Void realCall() throws InterruptedException {
566	<	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
566	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
567		return null;
568		}};
569	<	try {
569	>	final ExecutorService p = new ForkJoinPool(1);
570	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
571		Thread t = new Thread(new CheckedInterruptedRunnable() {
572		public void realRun() throws Exception {
573		Future<Void> future = p.submit(awaiter);
#	Line 578 | 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();
584	<	} finally {
585	<	quittingTime.countDown();
586	<	joinPool(p);
580	>	awaitTermination(t);
581		}
582		}
583
#	Line 593 | 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);
605	<	} finally {
606	<	joinPool(p);
590	>	try (PoolCleaner cleaner = cleaner(p)) {
591	>	try {
592	>	p.submit(new Callable() {
593	>	public Object call() { throw new ArithmeticException(); }})
594	>	.get();
595	>	shouldThrow();
596	>	} catch (ExecutionException success) {
597	>	assertTrue(success.getCause() instanceof ArithmeticException);
598	>	}
599		}
600		}
601
#	Line 612 | 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 {
620	<	joinPool(e);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(null);
610	>	shouldThrow();
611	>	} catch (NullPointerException success) {}
612		}
613		}
614
#	Line 626 | 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 {
634	<	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 640 | 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 {
650	<	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 657 | 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();
669	–	joinPool(e);
658		}
659		}
660
#	Line 675 | 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 692 | 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);
701	–	} finally {
702	–	joinPool(e);
689		}
690		}
691
#	Line 708 | 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 {
716	<	joinPool(e);
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698	>	try {
699	>	e.invokeAll(null);
700	>	shouldThrow();
701	>	} catch (NullPointerException success) {}
702		}
703		}
704
#	Line 722 | Line 707 | public class ForkJoinPoolTest extends JS
707		*/
708		public void testInvokeAll2() throws InterruptedException {
709		ExecutorService e = new ForkJoinPool(1);
710	<	try {
710	>	try (PoolCleaner cleaner = cleaner(e)) {
711		List<Future<String>> r
712		= e.invokeAll(new ArrayList<Callable<String>>());
713		assertTrue(r.isEmpty());
729	–	} finally {
730	–	joinPool(e);
714		}
715		}
716
#	Line 736 | Line 719 | public class ForkJoinPoolTest extends JS
719		*/
720		public void testInvokeAll3() throws InterruptedException {
721		ExecutorService e = new ForkJoinPool(1);
722	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
723	<	l.add(new StringTask());
724	<	l.add(null);
725	<	try {
726	<	e.invokeAll(l);
727	<	shouldThrow();
728	<	} catch (NullPointerException success) {
729	<	} finally {
747	<	joinPool(e);
722	>	try (PoolCleaner cleaner = cleaner(e)) {
723	>	List<Callable<String>> l = new ArrayList<>();
724	>	l.add(new StringTask());
725	>	l.add(null);
726	>	try {
727	>	e.invokeAll(l);
728	>	shouldThrow();
729	>	} catch (NullPointerException success) {}
730		}
731		}
732
#	Line 754 | Line 736 | public class ForkJoinPoolTest extends JS
736		*/
737		public void testInvokeAll4() throws Throwable {
738		ExecutorService e = new ForkJoinPool(1);
739	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
740	<	l.add(new NPETask());
741	<	List<Future<String>> futures = e.invokeAll(l);
742	<	assertEquals(1, futures.size());
743	<	try {
744	<	futures.get(0).get();
745	<	shouldThrow();
746	<	} catch (ExecutionException success) {
747	<	assertTrue(success.getCause() instanceof NullPointerException);
748	<	} finally {
749	<	joinPool(e);
739	>	try (PoolCleaner cleaner = cleaner(e)) {
740	>	List<Callable<String>> l = new ArrayList<>();
741	>	l.add(new NPETask());
742	>	List<Future<String>> futures = e.invokeAll(l);
743	>	assertEquals(1, futures.size());
744	>	try {
745	>	futures.get(0).get();
746	>	shouldThrow();
747	>	} catch (ExecutionException success) {
748	>	assertTrue(success.getCause() instanceof NullPointerException);
749	>	}
750		}
751		}
752
#	Line 773 | Line 755 | public class ForkJoinPoolTest extends JS
755		*/
756		public void testInvokeAll5() throws Throwable {
757		ExecutorService e = new ForkJoinPool(1);
758	<	try {
759	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
758	>	try (PoolCleaner cleaner = cleaner(e)) {
759	>	List<Callable<String>> l = new ArrayList<>();
760		l.add(new StringTask());
761		l.add(new StringTask());
762		List<Future<String>> futures = e.invokeAll(l);
763		assertEquals(2, futures.size());
764		for (Future<String> future : futures)
765		assertSame(TEST_STRING, future.get());
784	–	} finally {
785	–	joinPool(e);
766		}
767		}
768
789	–
769		/**
770		* timed invokeAny(null) throws NullPointerException
771		*/
772		public void testTimedInvokeAny1() throws Throwable {
773		ExecutorService e = new ForkJoinPool(1);
774	<	try {
775	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
776	<	shouldThrow();
777	<	} catch (NullPointerException success) {
778	<	} finally {
800	<	joinPool(e);
774	>	try (PoolCleaner cleaner = cleaner(e)) {
775	>	try {
776	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
777	>	shouldThrow();
778	>	} catch (NullPointerException success) {}
779		}
780		}
781
#	Line 806 | Line 784 | public class ForkJoinPoolTest extends JS
784		*/
785		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
786		ExecutorService e = new ForkJoinPool(1);
787	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
788	<	l.add(new StringTask());
789	<	try {
790	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
791	<	shouldThrow();
792	<	} catch (NullPointerException success) {
793	<	} finally {
816	<	joinPool(e);
787	>	try (PoolCleaner cleaner = cleaner(e)) {
788	>	List<Callable<String>> l = new ArrayList<>();
789	>	l.add(new StringTask());
790	>	try {
791	>	e.invokeAny(l, randomTimeout(), null);
792	>	shouldThrow();
793	>	} catch (NullPointerException success) {}
794		}
795		}
796
#	Line 822 | Line 799 | public class ForkJoinPoolTest extends JS
799		*/
800		public void testTimedInvokeAny2() throws Throwable {
801		ExecutorService e = new ForkJoinPool(1);
802	<	try {
803	<	e.invokeAny(new ArrayList<Callable<String>>(),
804	<	MEDIUM_DELAY_MS, MILLISECONDS);
805	<	shouldThrow();
806	<	} catch (IllegalArgumentException success) {
807	<	} finally {
831	<	joinPool(e);
802	>	try (PoolCleaner cleaner = cleaner(e)) {
803	>	try {
804	>	e.invokeAny(new ArrayList<Callable<String>>(),
805	>	randomTimeout(), randomTimeUnit());
806	>	shouldThrow();
807	>	} catch (IllegalArgumentException success) {}
808		}
809		}
810
#	Line 838 | Line 814 | public class ForkJoinPoolTest extends JS
814		public void testTimedInvokeAny3() throws Throwable {
815		CountDownLatch latch = new CountDownLatch(1);
816		ExecutorService e = new ForkJoinPool(1);
817	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
818	<	l.add(latchAwaitingStringTask(latch));
819	<	l.add(null);
820	<	try {
821	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
822	<	shouldThrow();
823	<	} catch (NullPointerException success) {
824	<	} finally {
817	>	try (PoolCleaner cleaner = cleaner(e)) {
818	>	List<Callable<String>> l = new ArrayList<>();
819	>	l.add(latchAwaitingStringTask(latch));
820	>	l.add(null);
821	>	try {
822	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
823	>	shouldThrow();
824	>	} catch (NullPointerException success) {}
825		latch.countDown();
850	–	joinPool(e);
826		}
827		}
828
#	Line 856 | Line 831 | public class ForkJoinPoolTest extends JS
831		*/
832		public void testTimedInvokeAny4() throws Throwable {
833		ExecutorService e = new ForkJoinPool(1);
834	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
835	<	l.add(new NPETask());
836	<	try {
837	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
838	<	shouldThrow();
839	<	} catch (ExecutionException success) {
840	<	assertTrue(success.getCause() instanceof NullPointerException);
841	<	} finally {
842	<	joinPool(e);
834	>	try (PoolCleaner cleaner = cleaner(e)) {
835	>	long startTime = System.nanoTime();
836	>	List<Callable<String>> l = new ArrayList<>();
837	>	l.add(new NPETask());
838	>	try {
839	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
840	>	shouldThrow();
841	>	} catch (ExecutionException success) {
842	>	assertTrue(success.getCause() instanceof NullPointerException);
843	>	}
844	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
845		}
846		}
847
#	Line 873 | Line 850 | public class ForkJoinPoolTest extends JS
850		*/
851		public void testTimedInvokeAny5() throws Throwable {
852		ExecutorService e = new ForkJoinPool(1);
853	<	try {
854	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
853	>	try (PoolCleaner cleaner = cleaner(e)) {
854	>	long startTime = System.nanoTime();
855	>	List<Callable<String>> l = new ArrayList<>();
856		l.add(new StringTask());
857		l.add(new StringTask());
858	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
858	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
859		assertSame(TEST_STRING, result);
860	<	} finally {
883	<	joinPool(e);
860	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
861		}
862		}
863
#	Line 889 | Line 866 | public class ForkJoinPoolTest extends JS
866		*/
867		public void testTimedInvokeAll1() throws Throwable {
868		ExecutorService e = new ForkJoinPool(1);
869	<	try {
870	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
871	<	shouldThrow();
872	<	} catch (NullPointerException success) {
873	<	} finally {
897	<	joinPool(e);
869	>	try (PoolCleaner cleaner = cleaner(e)) {
870	>	try {
871	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
872	>	shouldThrow();
873	>	} catch (NullPointerException success) {}
874		}
875		}
876
#	Line 903 | Line 879 | public class ForkJoinPoolTest extends JS
879		*/
880		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
881		ExecutorService e = new ForkJoinPool(1);
882	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
883	<	l.add(new StringTask());
884	<	try {
885	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
886	<	shouldThrow();
887	<	} catch (NullPointerException success) {
888	<	} finally {
913	<	joinPool(e);
882	>	try (PoolCleaner cleaner = cleaner(e)) {
883	>	List<Callable<String>> l = new ArrayList<>();
884	>	l.add(new StringTask());
885	>	try {
886	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
887	>	shouldThrow();
888	>	} catch (NullPointerException success) {}
889		}
890		}
891
#	Line 919 | Line 894 | public class ForkJoinPoolTest extends JS
894		*/
895		public void testTimedInvokeAll2() throws InterruptedException {
896		ExecutorService e = new ForkJoinPool(1);
897	<	try {
897	>	try (PoolCleaner cleaner = cleaner(e)) {
898		List<Future<String>> r
899		= e.invokeAll(new ArrayList<Callable<String>>(),
900		MEDIUM_DELAY_MS, MILLISECONDS);
901		assertTrue(r.isEmpty());
927	–	} finally {
928	–	joinPool(e);
902		}
903		}
904
#	Line 934 | Line 907 | public class ForkJoinPoolTest extends JS
907		*/
908		public void testTimedInvokeAll3() throws InterruptedException {
909		ExecutorService e = new ForkJoinPool(1);
910	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
911	<	l.add(new StringTask());
912	<	l.add(null);
913	<	try {
914	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
915	<	shouldThrow();
916	<	} catch (NullPointerException success) {
917	<	} finally {
945	<	joinPool(e);
910	>	try (PoolCleaner cleaner = cleaner(e)) {
911	>	List<Callable<String>> l = new ArrayList<>();
912	>	l.add(new StringTask());
913	>	l.add(null);
914	>	try {
915	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
916	>	shouldThrow();
917	>	} catch (NullPointerException success) {}
918		}
919		}
920
#	Line 951 | Line 923 | public class ForkJoinPoolTest extends JS
923		*/
924		public void testTimedInvokeAll4() throws Throwable {
925		ExecutorService e = new ForkJoinPool(1);
926	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
927	<	l.add(new NPETask());
928	<	List<Future<String>> futures
929	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
930	<	assertEquals(1, futures.size());
931	<	try {
932	<	futures.get(0).get();
933	<	shouldThrow();
934	<	} catch (ExecutionException success) {
935	<	assertTrue(success.getCause() instanceof NullPointerException);
936	<	} finally {
937	<	joinPool(e);
926	>	try (PoolCleaner cleaner = cleaner(e)) {
927	>	List<Callable<String>> l = new ArrayList<>();
928	>	l.add(new NPETask());
929	>	List<Future<String>> futures
930	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
931	>	assertEquals(1, futures.size());
932	>	try {
933	>	futures.get(0).get();
934	>	shouldThrow();
935	>	} catch (ExecutionException success) {
936	>	assertTrue(success.getCause() instanceof NullPointerException);
937	>	}
938		}
939		}
940
#	Line 970 | Line 942 | public class ForkJoinPoolTest extends JS
942		* timed invokeAll(c) returns results of all completed tasks in c
943		*/
944		public void testTimedInvokeAll5() throws Throwable {
945	<	ExecutorService e = new ForkJoinPool(1);
946	<	try {
947	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
945	>	ForkJoinPool e = new ForkJoinPool(1);
946	>	try (PoolCleaner cleaner = cleaner(e)) {
947	>	List<Callable<String>> l = new ArrayList<>();
948		l.add(new StringTask());
949		l.add(new StringTask());
950		List<Future<String>> futures
951	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
951	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
952		assertEquals(2, futures.size());
953		for (Future<String> future : futures)
954		assertSame(TEST_STRING, future.get());
983	–	} finally {
984	–	joinPool(e);
955		}
956		}
957

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