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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.24 by jsr166, Mon Sep 13 15:34:42 2010 UTC vs.
Revision 1.63 by jsr166, Sun Oct 4 08:27:41 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.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.Executors;
10	<	import java.util.concurrent.ExecutorService;
11	<	import java.util.concurrent.AbstractExecutorService;
12	<	import java.util.concurrent.CountDownLatch;
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;
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 103 | 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 131 | 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 158 | 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);
164	<	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());
174	–	} finally {
175	–	joinPool(p);
177		}
178		}
179
#	Line 196 | Line 197 | public class ForkJoinPoolTest extends JS
197		} catch (NullPointerException success) {}
198		}
199
199	–
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);
207	<	} finally {
208	<	joinPool(p);
205	>	try (PoolCleaner cleaner = cleaner(p)) {
206	>	assertEquals(1, p.getParallelism());
207		}
208		}
209
#	Line 214 | 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 230 | 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);
258	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
259	>	final Thread.UncaughtExceptionHandler eh =
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	>	eh, false);
266		try {
267	<	assert(eh == p.getUncaughtExceptionHandler());
268	<	p.execute(new FailingTask());
269	<	Thread.sleep(MEDIUM_DELAY_MS);
270	<	assertTrue(eh.catches > 0);
267	>	assertSame(eh, p.getUncaughtExceptionHandler());
268	>	try {
269	>	p.execute(new FibTask(8));
270	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
271	>	} catch (RejectedExecutionException ok) {
272	>	}
273		} finally {
274	<	p.shutdownNow();
274	>	p.shutdownNow(); // failure might have prevented processing task
275		joinPool(p);
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 274 | 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();
280	<	assertTrue(r == 21);
281	<	} finally {
282	<	joinPool(p);
325	>	assertEquals(21, (int) f.get());
326		}
327		}
328
#	Line 288 | 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 {
298	<	joinPool(p);
337	>	try {
338	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
339	>	shouldThrow();
340	>	} catch (RejectedExecutionException success) {}
341		}
342		}
343
#	Line 307 | 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();
313	<	assertTrue(r == 832040);
354	>	assertEquals(6765, (int) f.get());
355		} finally {
356		p.shutdownNow(); // don't wait out shutdown
357		}
#	Line 320 | 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 {
332	<	joinPool(p);
373	>	done.countDown();
374		}
375		}
376
#	Line 337 | 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 349 | Line 391 | public class ForkJoinPoolTest extends JS
391		assertTrue(r == a || r == b || r == c);
392		assertFalse(r.isDone());
393		}
394	<	} finally {
353	<	joinPool(p);
394	>	done.countDown();
395		}
396		}
397
357	–
398		// FJ Versions of AbstractExecutorService tests
399
400		/**
#	Line 362 | 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
376	–
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 {
387	<	joinPool(e);
426	>	assertSame(TEST_STRING, future.get());
427	>	assertTrue(future.isDone());
428	>	assertFalse(future.isCancelled());
429		}
430		}
431
#	Line 393 | 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 {
401	<	joinPool(e);
441	>	assertFalse(future.isCancelled());
442		}
443		}
444
#	Line 407 | 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 {
415	<	joinPool(e);
452	>	assertSame(TEST_STRING, future.get());
453	>	assertTrue(future.isDone());
454	>	assertFalse(future.isCancelled());
455		}
456		}
457
419	–
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();
428	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
429	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
430	<	Policy.setPolicy(policy);
431	<	} catch (AccessControlException ok) {
432	<	return;
433	<	}
434	<
435	<	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() {
440	<	return TEST_STRING;
441	<	}}));
442	<
443	<	Object result = future.get();
444	<	assertSame(TEST_STRING, result);
445	<	} finally {
446	<	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"));
462	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
463	<	Policy.setPolicy(policy);
464	<	} catch (AccessControlException ok) {
465	<	return;
466	<	}
467	<
468	<	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() {
473	<	return TEST_STRING;
474	<	}}));
475	<
476	<	Object result = future.get();
477	<	assertSame(TEST_STRING, result);
478	<	} finally {
479	<	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"));
495	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
496	<	Policy.setPolicy(policy);
497	<	} catch (AccessControlException ok) {
498	<	return;
499	<	}
500	<
501	<	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();
511	<	} catch (ExecutionException success) {
512	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
513	<	} finally {
514	<	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 523 | 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) {
531	<	} finally {
532	<	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
536	–
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) {
547	<	} finally {
548	<	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
552	–
545		/**
546	<	* Blocking on submit(callable) throws InterruptedException if
555	<	* 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 ExecutorService p = new ForkJoinPool(1);
552	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
553	>	public Void realCall() throws InterruptedException {
554	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
555	>	return null;
556	>	}};
557	>	try {
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	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
566	>	t.interrupt();
567	>	t.join();
568	>	} finally {
569	>	quittingTime.countDown();
570	>	joinPool(p);
571	>	}
572		}
573
574		/**
#	Line 583 | Line 577 | public class ForkJoinPoolTest extends JS
577		*/
578		public void testSubmitEE() throws Throwable {
579		ForkJoinPool p = new ForkJoinPool(1);
580	<	try {
581	<	p.submit(new Callable() {
582	<	public Object call() {
583	<	int i = 5/0;
584	<	return Boolean.TRUE;
585	<	}}).get();
586	<	shouldThrow();
587	<	} catch (ExecutionException success) {
588	<	assertTrue(success.getCause() instanceof ArithmeticException);
595	<	} finally {
596	<	joinPool(p);
580	>	try (PoolCleaner cleaner = cleaner(p)) {
581	>	try {
582	>	p.submit(new Callable() {
583	>	public Object call() { throw new ArithmeticException(); }})
584	>	.get();
585	>	shouldThrow();
586	>	} catch (ExecutionException success) {
587	>	assertTrue(success.getCause() instanceof ArithmeticException);
588	>	}
589		}
590		}
591
#	Line 602 | Line 594 | public class ForkJoinPoolTest extends JS
594		*/
595		public void testInvokeAny1() throws Throwable {
596		ExecutorService e = new ForkJoinPool(1);
597	<	try {
598	<	e.invokeAny(null);
599	<	shouldThrow();
600	<	} catch (NullPointerException success) {
601	<	} finally {
610	<	joinPool(e);
597	>	try (PoolCleaner cleaner = cleaner(e)) {
598	>	try {
599	>	e.invokeAny(null);
600	>	shouldThrow();
601	>	} catch (NullPointerException success) {}
602		}
603		}
604
#	Line 616 | Line 607 | public class ForkJoinPoolTest extends JS
607		*/
608		public void testInvokeAny2() throws Throwable {
609		ExecutorService e = new ForkJoinPool(1);
610	<	try {
611	<	e.invokeAny(new ArrayList<Callable<String>>());
612	<	shouldThrow();
613	<	} catch (IllegalArgumentException success) {
614	<	} finally {
624	<	joinPool(e);
610	>	try (PoolCleaner cleaner = cleaner(e)) {
611	>	try {
612	>	e.invokeAny(new ArrayList<Callable<String>>());
613	>	shouldThrow();
614	>	} catch (IllegalArgumentException success) {}
615		}
616		}
617
#	Line 630 | Line 620 | public class ForkJoinPoolTest extends JS
620		*/
621		public void testInvokeAny3() throws Throwable {
622		ExecutorService e = new ForkJoinPool(1);
623	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
624	<	l.add(null);
625	<	try {
626	<	e.invokeAny(l);
627	<	shouldThrow();
628	<	} catch (NullPointerException success) {
629	<	} finally {
640	<	joinPool(e);
623	>	try (PoolCleaner cleaner = cleaner(e)) {
624	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
625	>	l.add(null);
626	>	try {
627	>	e.invokeAny(l);
628	>	shouldThrow();
629	>	} catch (NullPointerException success) {}
630		}
631		}
632
#	Line 647 | Line 636 | public class ForkJoinPoolTest extends JS
636		public void testInvokeAny4() throws Throwable {
637		CountDownLatch latch = new CountDownLatch(1);
638		ExecutorService e = new ForkJoinPool(1);
639	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
640	<	l.add(latchAwaitingStringTask(latch));
641	<	l.add(null);
642	<	try {
643	<	e.invokeAny(l);
644	<	shouldThrow();
645	<	} catch (NullPointerException success) {
646	<	} finally {
639	>	try (PoolCleaner cleaner = cleaner(e)) {
640	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
641	>	l.add(latchAwaitingStringTask(latch));
642	>	l.add(null);
643	>	try {
644	>	e.invokeAny(l);
645	>	shouldThrow();
646	>	} catch (NullPointerException success) {}
647		latch.countDown();
659	–	joinPool(e);
648		}
649		}
650
#	Line 665 | Line 653 | public class ForkJoinPoolTest extends JS
653		*/
654		public void testInvokeAny5() throws Throwable {
655		ExecutorService e = new ForkJoinPool(1);
656	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
657	<	l.add(new NPETask());
658	<	try {
659	<	e.invokeAny(l);
660	<	shouldThrow();
661	<	} catch (ExecutionException success) {
662	<	assertTrue(success.getCause() instanceof NullPointerException);
663	<	} finally {
664	<	joinPool(e);
656	>	try (PoolCleaner cleaner = cleaner(e)) {
657	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
658	>	l.add(new NPETask());
659	>	try {
660	>	e.invokeAny(l);
661	>	shouldThrow();
662	>	} catch (ExecutionException success) {
663	>	assertTrue(success.getCause() instanceof NullPointerException);
664	>	}
665		}
666		}
667
#	Line 682 | Line 670 | public class ForkJoinPoolTest extends JS
670		*/
671		public void testInvokeAny6() throws Throwable {
672		ExecutorService e = new ForkJoinPool(1);
673	<	try {
673	>	try (PoolCleaner cleaner = cleaner(e)) {
674		List<Callable<String>> l = new ArrayList<Callable<String>>();
675		l.add(new StringTask());
676		l.add(new StringTask());
677		String result = e.invokeAny(l);
678		assertSame(TEST_STRING, result);
691	–	} finally {
692	–	joinPool(e);
679		}
680		}
681
#	Line 698 | Line 684 | public class ForkJoinPoolTest extends JS
684		*/
685		public void testInvokeAll1() throws Throwable {
686		ExecutorService e = new ForkJoinPool(1);
687	<	try {
688	<	e.invokeAll(null);
689	<	shouldThrow();
690	<	} catch (NullPointerException success) {
691	<	} finally {
706	<	joinPool(e);
687	>	try (PoolCleaner cleaner = cleaner(e)) {
688	>	try {
689	>	e.invokeAll(null);
690	>	shouldThrow();
691	>	} catch (NullPointerException success) {}
692		}
693		}
694
#	Line 712 | Line 697 | public class ForkJoinPoolTest extends JS
697		*/
698		public void testInvokeAll2() throws InterruptedException {
699		ExecutorService e = new ForkJoinPool(1);
700	<	try {
700	>	try (PoolCleaner cleaner = cleaner(e)) {
701		List<Future<String>> r
702		= e.invokeAll(new ArrayList<Callable<String>>());
703		assertTrue(r.isEmpty());
719	–	} finally {
720	–	joinPool(e);
704		}
705		}
706
#	Line 726 | Line 709 | public class ForkJoinPoolTest extends JS
709		*/
710		public void testInvokeAll3() throws InterruptedException {
711		ExecutorService e = new ForkJoinPool(1);
712	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
713	<	l.add(new StringTask());
714	<	l.add(null);
715	<	try {
716	<	e.invokeAll(l);
717	<	shouldThrow();
718	<	} catch (NullPointerException success) {
719	<	} finally {
737	<	joinPool(e);
712	>	try (PoolCleaner cleaner = cleaner(e)) {
713	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
714	>	l.add(new StringTask());
715	>	l.add(null);
716	>	try {
717	>	e.invokeAll(l);
718	>	shouldThrow();
719	>	} catch (NullPointerException success) {}
720		}
721		}
722
#	Line 744 | Line 726 | public class ForkJoinPoolTest extends JS
726		*/
727		public void testInvokeAll4() throws Throwable {
728		ExecutorService e = new ForkJoinPool(1);
729	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
730	<	l.add(new NPETask());
731	<	List<Future<String>> futures = e.invokeAll(l);
732	<	assertEquals(1, futures.size());
733	<	try {
734	<	futures.get(0).get();
735	<	shouldThrow();
736	<	} catch (ExecutionException success) {
737	<	assertTrue(success.getCause() instanceof NullPointerException);
738	<	} finally {
739	<	joinPool(e);
729	>	try (PoolCleaner cleaner = cleaner(e)) {
730	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
731	>	l.add(new NPETask());
732	>	List<Future<String>> futures = e.invokeAll(l);
733	>	assertEquals(1, futures.size());
734	>	try {
735	>	futures.get(0).get();
736	>	shouldThrow();
737	>	} catch (ExecutionException success) {
738	>	assertTrue(success.getCause() instanceof NullPointerException);
739	>	}
740		}
741		}
742
#	Line 763 | Line 745 | public class ForkJoinPoolTest extends JS
745		*/
746		public void testInvokeAll5() throws Throwable {
747		ExecutorService e = new ForkJoinPool(1);
748	<	try {
748	>	try (PoolCleaner cleaner = cleaner(e)) {
749		List<Callable<String>> l = new ArrayList<Callable<String>>();
750		l.add(new StringTask());
751		l.add(new StringTask());
#	Line 771 | Line 753 | public class ForkJoinPoolTest extends JS
753		assertEquals(2, futures.size());
754		for (Future<String> future : futures)
755		assertSame(TEST_STRING, future.get());
774	–	} finally {
775	–	joinPool(e);
756		}
757		}
758
779	–
759		/**
760		* timed invokeAny(null) throws NullPointerException
761		*/
762		public void testTimedInvokeAny1() throws Throwable {
763		ExecutorService e = new ForkJoinPool(1);
764	<	try {
765	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
766	<	shouldThrow();
767	<	} catch (NullPointerException success) {
768	<	} finally {
790	<	joinPool(e);
764	>	try (PoolCleaner cleaner = cleaner(e)) {
765	>	try {
766	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
767	>	shouldThrow();
768	>	} catch (NullPointerException success) {}
769		}
770		}
771
#	Line 796 | Line 774 | public class ForkJoinPoolTest extends JS
774		*/
775		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
776		ExecutorService e = new ForkJoinPool(1);
777	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
778	<	l.add(new StringTask());
779	<	try {
780	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
781	<	shouldThrow();
782	<	} catch (NullPointerException success) {
783	<	} finally {
806	<	joinPool(e);
777	>	try (PoolCleaner cleaner = cleaner(e)) {
778	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
779	>	l.add(new StringTask());
780	>	try {
781	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
782	>	shouldThrow();
783	>	} catch (NullPointerException success) {}
784		}
785		}
786
#	Line 812 | Line 789 | public class ForkJoinPoolTest extends JS
789		*/
790		public void testTimedInvokeAny2() throws Throwable {
791		ExecutorService e = new ForkJoinPool(1);
792	<	try {
793	<	e.invokeAny(new ArrayList<Callable<String>>(),
794	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
795	<	shouldThrow();
796	<	} catch (IllegalArgumentException success) {
797	<	} finally {
821	<	joinPool(e);
792	>	try (PoolCleaner cleaner = cleaner(e)) {
793	>	try {
794	>	e.invokeAny(new ArrayList<Callable<String>>(),
795	>	MEDIUM_DELAY_MS, MILLISECONDS);
796	>	shouldThrow();
797	>	} catch (IllegalArgumentException success) {}
798		}
799		}
800
#	Line 828 | Line 804 | public class ForkJoinPoolTest extends JS
804		public void testTimedInvokeAny3() throws Throwable {
805		CountDownLatch latch = new CountDownLatch(1);
806		ExecutorService e = new ForkJoinPool(1);
807	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
808	<	l.add(latchAwaitingStringTask(latch));
809	<	l.add(null);
810	<	try {
811	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
812	<	shouldThrow();
813	<	} catch (NullPointerException success) {
814	<	} finally {
807	>	try (PoolCleaner cleaner = cleaner(e)) {
808	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
809	>	l.add(latchAwaitingStringTask(latch));
810	>	l.add(null);
811	>	try {
812	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
813	>	shouldThrow();
814	>	} catch (NullPointerException success) {}
815		latch.countDown();
840	–	joinPool(e);
816		}
817		}
818
#	Line 846 | Line 821 | public class ForkJoinPoolTest extends JS
821		*/
822		public void testTimedInvokeAny4() throws Throwable {
823		ExecutorService e = new ForkJoinPool(1);
824	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
825	<	l.add(new NPETask());
826	<	try {
827	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
828	<	shouldThrow();
829	<	} catch (ExecutionException success) {
830	<	assertTrue(success.getCause() instanceof NullPointerException);
831	<	} finally {
832	<	joinPool(e);
824	>	try (PoolCleaner cleaner = cleaner(e)) {
825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
826	>	l.add(new NPETask());
827	>	try {
828	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
829	>	shouldThrow();
830	>	} catch (ExecutionException success) {
831	>	assertTrue(success.getCause() instanceof NullPointerException);
832	>	}
833		}
834		}
835
#	Line 863 | Line 838 | public class ForkJoinPoolTest extends JS
838		*/
839		public void testTimedInvokeAny5() throws Throwable {
840		ExecutorService e = new ForkJoinPool(1);
841	<	try {
841	>	try (PoolCleaner cleaner = cleaner(e)) {
842		List<Callable<String>> l = new ArrayList<Callable<String>>();
843		l.add(new StringTask());
844		l.add(new StringTask());
845	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
845	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
846		assertSame(TEST_STRING, result);
872	–	} finally {
873	–	joinPool(e);
847		}
848		}
849
#	Line 879 | Line 852 | public class ForkJoinPoolTest extends JS
852		*/
853		public void testTimedInvokeAll1() throws Throwable {
854		ExecutorService e = new ForkJoinPool(1);
855	<	try {
856	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
857	<	shouldThrow();
858	<	} catch (NullPointerException success) {
859	<	} finally {
887	<	joinPool(e);
855	>	try (PoolCleaner cleaner = cleaner(e)) {
856	>	try {
857	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
858	>	shouldThrow();
859	>	} catch (NullPointerException success) {}
860		}
861		}
862
#	Line 893 | Line 865 | public class ForkJoinPoolTest extends JS
865		*/
866		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
867		ExecutorService e = new ForkJoinPool(1);
868	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
869	<	l.add(new StringTask());
870	<	try {
871	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
872	<	shouldThrow();
873	<	} catch (NullPointerException success) {
874	<	} finally {
903	<	joinPool(e);
868	>	try (PoolCleaner cleaner = cleaner(e)) {
869	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
870	>	l.add(new StringTask());
871	>	try {
872	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
873	>	shouldThrow();
874	>	} catch (NullPointerException success) {}
875		}
876		}
877
#	Line 909 | Line 880 | public class ForkJoinPoolTest extends JS
880		*/
881		public void testTimedInvokeAll2() throws InterruptedException {
882		ExecutorService e = new ForkJoinPool(1);
883	<	try {
883	>	try (PoolCleaner cleaner = cleaner(e)) {
884		List<Future<String>> r
885		= e.invokeAll(new ArrayList<Callable<String>>(),
886	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
886	>	MEDIUM_DELAY_MS, MILLISECONDS);
887		assertTrue(r.isEmpty());
917	–	} finally {
918	–	joinPool(e);
888		}
889		}
890
#	Line 924 | Line 893 | public class ForkJoinPoolTest extends JS
893		*/
894		public void testTimedInvokeAll3() throws InterruptedException {
895		ExecutorService e = new ForkJoinPool(1);
896	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
897	<	l.add(new StringTask());
898	<	l.add(null);
899	<	try {
900	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
901	<	shouldThrow();
902	<	} catch (NullPointerException success) {
903	<	} finally {
935	<	joinPool(e);
896	>	try (PoolCleaner cleaner = cleaner(e)) {
897	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
898	>	l.add(new StringTask());
899	>	l.add(null);
900	>	try {
901	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
902	>	shouldThrow();
903	>	} catch (NullPointerException success) {}
904		}
905		}
906
#	Line 941 | Line 909 | public class ForkJoinPoolTest extends JS
909		*/
910		public void testTimedInvokeAll4() throws Throwable {
911		ExecutorService e = new ForkJoinPool(1);
912	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
913	<	l.add(new NPETask());
914	<	List<Future<String>> futures
915	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
916	<	assertEquals(1, futures.size());
917	<	try {
918	<	futures.get(0).get();
919	<	shouldThrow();
920	<	} catch (ExecutionException success) {
921	<	assertTrue(success.getCause() instanceof NullPointerException);
922	<	} finally {
923	<	joinPool(e);
912	>	try (PoolCleaner cleaner = cleaner(e)) {
913	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
914	>	l.add(new NPETask());
915	>	List<Future<String>> futures
916	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
917	>	assertEquals(1, futures.size());
918	>	try {
919	>	futures.get(0).get();
920	>	shouldThrow();
921	>	} catch (ExecutionException success) {
922	>	assertTrue(success.getCause() instanceof NullPointerException);
923	>	}
924		}
925		}
926
#	Line 960 | Line 928 | public class ForkJoinPoolTest extends JS
928		* timed invokeAll(c) returns results of all completed tasks in c
929		*/
930		public void testTimedInvokeAll5() throws Throwable {
931	<	ExecutorService e = new ForkJoinPool(1);
932	<	try {
931	>	ForkJoinPool e = new ForkJoinPool(1);
932	>	try (PoolCleaner cleaner = cleaner(e)) {
933		List<Callable<String>> l = new ArrayList<Callable<String>>();
934		l.add(new StringTask());
935		l.add(new StringTask());
936		List<Future<String>> futures
937	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
937	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
938		assertEquals(2, futures.size());
939		for (Future<String> future : futures)
940		assertSame(TEST_STRING, future.get());
973	–	} finally {
974	–	joinPool(e);
941		}
942		}
943

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