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Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.25 by jsr166, Mon Sep 13 20:48:58 2010 UTC vs.
Revision 1.67 by jsr166, Thu Oct 8 03:03:36 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	<	import junit.framework.*;
7	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9	>
10	>	import java.security.PrivilegedAction;
11	>	import java.security.PrivilegedExceptionAction;
12		import java.util.ArrayList;
13		import java.util.Collection;
14		import java.util.List;
11	–	import java.util.concurrent.Executors;
12	–	import java.util.concurrent.ExecutorService;
13	–	import java.util.concurrent.AbstractExecutorService;
14	–	import java.util.concurrent.CountDownLatch;
15		import java.util.concurrent.Callable;
16	<	import java.util.concurrent.Future;
16	>	import java.util.concurrent.CountDownLatch;
17		import java.util.concurrent.ExecutionException;
18	<	import java.util.concurrent.CancellationException;
19	<	import java.util.concurrent.RejectedExecutionException;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20		import java.util.concurrent.ForkJoinPool;
21		import java.util.concurrent.ForkJoinTask;
22		import java.util.concurrent.ForkJoinWorkerThread;
23	+	import java.util.concurrent.Future;
24		import java.util.concurrent.RecursiveTask;
25	<	import java.util.concurrent.TimeUnit;
25	>	import java.util.concurrent.RejectedExecutionException;
26	>	import java.util.concurrent.atomic.AtomicBoolean;
27		import java.util.concurrent.locks.ReentrantLock;
28	<	import java.security.AccessControlException;
29	<	import java.security.Policy;
30	<	import java.security.PrivilegedAction;
31	<	import java.security.PrivilegedExceptionAction;
28	>
29	>	import junit.framework.AssertionFailedError;
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ForkJoinPoolTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run(suite());
35	>	main(suite(), args);
36		}
37
38		public static Test suite() {
39		return new TestSuite(ForkJoinPoolTest.class);
40		}
41
42	<	/**
42	>	/*
43		* Testing coverage notes:
44		*
45		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 62 | Line 64 | public class ForkJoinPoolTest extends JS
64		}
65		}
66
67	+	static class MyError extends Error {}
68	+
69		// to test handlers
70		static class FailingFJWSubclass extends ForkJoinWorkerThread {
71		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
72	<	protected void onStart() { super.onStart(); throw new Error(); }
72	>	protected void onStart() { super.onStart(); throw new MyError(); }
73		}
74
75		static class FailingThreadFactory
#	Line 105 | Line 109 | public class ForkJoinPoolTest extends JS
109		static final class FibTask extends RecursiveTask<Integer> {
110		final int number;
111		FibTask(int n) { number = n; }
112	<	public Integer compute() {
112	>	protected Integer compute() {
113		int n = number;
114		if (n <= 1)
115		return n;
#	Line 133 | Line 137 | public class ForkJoinPoolTest extends JS
137		this.locker = locker;
138		this.lock = lock;
139		}
140	<	public Integer compute() {
140	>	protected Integer compute() {
141		int n;
142		LockingFibTask f1 = null;
143		LockingFibTask f2 = null;
#	Line 160 | Line 164 | public class ForkJoinPoolTest extends JS
164		*/
165		public void testDefaultInitialState() {
166		ForkJoinPool p = new ForkJoinPool(1);
167	<	try {
168	<	assertTrue(p.getFactory() ==
169	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
166	<	assertTrue(p.isQuiescent());
167	>	try (PoolCleaner cleaner = cleaner(p)) {
168	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
169	>	p.getFactory());
170		assertFalse(p.getAsyncMode());
171	<	assertTrue(p.getActiveThreadCount() == 0);
172	<	assertTrue(p.getStealCount() == 0);
173	<	assertTrue(p.getQueuedTaskCount() == 0);
174	<	assertTrue(p.getQueuedSubmissionCount() == 0);
171	>	assertEquals(0, p.getActiveThreadCount());
172	>	assertEquals(0, p.getStealCount());
173	>	assertEquals(0, p.getQueuedTaskCount());
174	>	assertEquals(0, p.getQueuedSubmissionCount());
175		assertFalse(p.hasQueuedSubmissions());
176		assertFalse(p.isShutdown());
177		assertFalse(p.isTerminating());
178		assertFalse(p.isTerminated());
176	–	} finally {
177	–	joinPool(p);
179		}
180		}
181
#	Line 198 | Line 199 | public class ForkJoinPoolTest extends JS
199		} catch (NullPointerException success) {}
200		}
201
201	–
202		/**
203		* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206		ForkJoinPool p = new ForkJoinPool(1);
207	<	try {
208	<	assertTrue(p.getParallelism() == 1);
209	<	} finally {
210	<	joinPool(p);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	assertEquals(1, p.getParallelism());
209		}
210		}
211
#	Line 216 | Line 214 | public class ForkJoinPoolTest extends JS
214		*/
215		public void testGetPoolSize() {
216		ForkJoinPool p = new ForkJoinPool(1);
217	<	try {
218	<	assertTrue(p.getActiveThreadCount() == 0);
217	>	try (PoolCleaner cleaner = cleaner(p)) {
218	>	assertEquals(0, p.getActiveThreadCount());
219		Future<String> future = p.submit(new StringTask());
220	<	assertTrue(p.getPoolSize() == 1);
221	<	} finally {
222	<	joinPool(p);
220	>	assertEquals(1, p.getPoolSize());
221	>	}
222	>	}
223	>
224	>	/**
225	>	* awaitTermination on a non-shutdown pool times out
226	>	*/
227	>	public void testAwaitTermination_timesOut() throws InterruptedException {
228	>	ForkJoinPool p = new ForkJoinPool(1);
229	>	try (PoolCleaner cleaner = cleaner(p)) {
230	>	assertFalse(p.isTerminated());
231	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
232	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
233	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
234	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
235	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
236	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
237	>	long timeoutNanos = 999999L;
238	>	long startTime = System.nanoTime();
239	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
240	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
241	>	assertFalse(p.isTerminated());
242	>	startTime = System.nanoTime();
243	>	long timeoutMillis = timeoutMillis();
244	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
245	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
246	>	assertFalse(p.isTerminated());
247	>	p.shutdown();
248	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
249	>	assertTrue(p.isTerminated());
250		}
251		}
252
#	Line 232 | Line 257 | public class ForkJoinPoolTest extends JS
257		* performs its defined action
258		*/
259		public void testSetUncaughtExceptionHandler() throws InterruptedException {
260	<	MyHandler eh = new MyHandler();
261	<	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), eh, false);
262	<	try {
263	<	assert(eh == p.getUncaughtExceptionHandler());
264	<	p.execute(new FailingTask());
265	<	Thread.sleep(MEDIUM_DELAY_MS);
266	<	assertTrue(eh.catches > 0);
267	<	} finally {
268	<	p.shutdownNow();
269	<	joinPool(p);
260	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
261	>	final Thread.UncaughtExceptionHandler ueh =
262	>	new Thread.UncaughtExceptionHandler() {
263	>	public void uncaughtException(Thread t, Throwable e) {
264	>	threadAssertTrue(e instanceof MyError);
265	>	threadAssertTrue(t instanceof FailingFJWSubclass);
266	>	uehInvoked.countDown();
267	>	}};
268	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
269	>	ueh, false);
270	>	try (PoolCleaner cleaner = cleaner(p)) {
271	>	assertSame(ueh, p.getUncaughtExceptionHandler());
272	>	try {
273	>	p.execute(new FibTask(8));
274	>	await(uehInvoked);
275	>	} finally {
276	>	p.shutdownNow(); // failure might have prevented processing task
277	>	}
278		}
279		}
280
281		/**
282	<	* After invoking a single task, isQuiescent is true,
283	<	* queues are empty, threads are not active, and
284	<	* construction parameters continue to hold
282	>	* After invoking a single task, isQuiescent eventually becomes
283	>	* true, at which time queues are empty, threads are not active,
284	>	* the task has completed successfully, and construction
285	>	* parameters continue to hold
286		*/
287	<	public void testisQuiescent() throws InterruptedException {
287	>	public void testIsQuiescent() throws Exception {
288		ForkJoinPool p = new ForkJoinPool(2);
289	<	try {
290	<	p.invoke(new FibTask(20));
291	<	assertTrue(p.getFactory() ==
292	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
293	<	Thread.sleep(MEDIUM_DELAY_MS);
289	>	try (PoolCleaner cleaner = cleaner(p)) {
290	>	assertTrue(p.isQuiescent());
291	>	long startTime = System.nanoTime();
292	>	FibTask f = new FibTask(20);
293	>	p.invoke(f);
294	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
295	>	p.getFactory());
296	>	while (! p.isQuiescent()) {
297	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
298	>	throw new AssertionFailedError("timed out");
299	>	assertFalse(p.getAsyncMode());
300	>	assertFalse(p.isShutdown());
301	>	assertFalse(p.isTerminating());
302	>	assertFalse(p.isTerminated());
303	>	Thread.yield();
304	>	}
305	>
306		assertTrue(p.isQuiescent());
307		assertFalse(p.getAsyncMode());
308	<	assertTrue(p.getActiveThreadCount() == 0);
309	<	assertTrue(p.getQueuedTaskCount() == 0);
310	<	assertTrue(p.getQueuedSubmissionCount() == 0);
308	>	assertEquals(0, p.getActiveThreadCount());
309	>	assertEquals(0, p.getQueuedTaskCount());
310	>	assertEquals(0, p.getQueuedSubmissionCount());
311		assertFalse(p.hasQueuedSubmissions());
312		assertFalse(p.isShutdown());
313		assertFalse(p.isTerminating());
314		assertFalse(p.isTerminated());
315	<	} finally {
316	<	joinPool(p);
315	>	assertTrue(f.isDone());
316	>	assertEquals(6765, (int) f.get());
317		}
318		}
319
#	Line 276 | Line 322 | public class ForkJoinPoolTest extends JS
322		*/
323		public void testSubmitForkJoinTask() throws Throwable {
324		ForkJoinPool p = new ForkJoinPool(1);
325	<	try {
325	>	try (PoolCleaner cleaner = cleaner(p)) {
326		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
327	<	int r = f.get();
282	<	assertTrue(r == 21);
283	<	} finally {
284	<	joinPool(p);
327	>	assertEquals(21, (int) f.get());
328		}
329		}
330
#	Line 290 | Line 333 | public class ForkJoinPoolTest extends JS
333		*/
334		public void testSubmitAfterShutdown() {
335		ForkJoinPool p = new ForkJoinPool(1);
336	<	try {
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337		p.shutdown();
338		assertTrue(p.isShutdown());
339	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
340	<	shouldThrow();
341	<	} catch (RejectedExecutionException success) {
342	<	} finally {
300	<	joinPool(p);
339	>	try {
340	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
341	>	shouldThrow();
342	>	} catch (RejectedExecutionException success) {}
343		}
344		}
345
#	Line 309 | Line 351 | public class ForkJoinPoolTest extends JS
351		try {
352		ReentrantLock lock = new ReentrantLock();
353		ManagedLocker locker = new ManagedLocker(lock);
354	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
354	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
355		p.execute(f);
356	<	int r = f.get();
315	<	assertTrue(r == 832040);
356	>	assertEquals(6765, (int) f.get());
357		} finally {
358		p.shutdownNow(); // don't wait out shutdown
359		}
#	Line 322 | Line 363 | public class ForkJoinPoolTest extends JS
363		* pollSubmission returns unexecuted submitted task, if present
364		*/
365		public void testPollSubmission() {
366	+	final CountDownLatch done = new CountDownLatch(1);
367		SubFJP p = new SubFJP();
368	<	try {
369	<	ForkJoinTask a = p.submit(new MediumRunnable());
370	<	ForkJoinTask b = p.submit(new MediumRunnable());
371	<	ForkJoinTask c = p.submit(new MediumRunnable());
368	>	try (PoolCleaner cleaner = cleaner(p)) {
369	>	ForkJoinTask a = p.submit(awaiter(done));
370	>	ForkJoinTask b = p.submit(awaiter(done));
371	>	ForkJoinTask c = p.submit(awaiter(done));
372		ForkJoinTask r = p.pollSubmission();
373		assertTrue(r == a || r == b || r == c);
374		assertFalse(r.isDone());
375	<	} finally {
334	<	joinPool(p);
375	>	done.countDown();
376		}
377		}
378
#	Line 339 | Line 380 | public class ForkJoinPoolTest extends JS
380		* drainTasksTo transfers unexecuted submitted tasks, if present
381		*/
382		public void testDrainTasksTo() {
383	+	final CountDownLatch done = new CountDownLatch(1);
384		SubFJP p = new SubFJP();
385	<	try {
386	<	ForkJoinTask a = p.submit(new MediumRunnable());
387	<	ForkJoinTask b = p.submit(new MediumRunnable());
388	<	ForkJoinTask c = p.submit(new MediumRunnable());
385	>	try (PoolCleaner cleaner = cleaner(p)) {
386	>	ForkJoinTask a = p.submit(awaiter(done));
387	>	ForkJoinTask b = p.submit(awaiter(done));
388	>	ForkJoinTask c = p.submit(awaiter(done));
389		ArrayList<ForkJoinTask> al = new ArrayList();
390		p.drainTasksTo(al);
391		assertTrue(al.size() > 0);
#	Line 351 | Line 393 | public class ForkJoinPoolTest extends JS
393		assertTrue(r == a || r == b || r == c);
394		assertFalse(r.isDone());
395		}
396	<	} finally {
355	<	joinPool(p);
396	>	done.countDown();
397		}
398		}
399
359	–
400		// FJ Versions of AbstractExecutorService tests
401
402		/**
#	Line 364 | Line 404 | public class ForkJoinPoolTest extends JS
404		*/
405		public void testExecuteRunnable() throws Throwable {
406		ExecutorService e = new ForkJoinPool(1);
407	<	try {
408	<	TrackedShortRunnable task = new TrackedShortRunnable();
409	<	assertFalse(task.done);
410	<	Future<?> future = e.submit(task);
411	<	future.get();
412	<	assertTrue(task.done);
413	<	} finally {
414	<	joinPool(e);
407	>	try (PoolCleaner cleaner = cleaner(e)) {
408	>	final AtomicBoolean done = new AtomicBoolean(false);
409	>	Future<?> future = e.submit(new CheckedRunnable() {
410	>	public void realRun() {
411	>	done.set(true);
412	>	}});
413	>	assertNull(future.get());
414	>	assertNull(future.get(0, MILLISECONDS));
415	>	assertTrue(done.get());
416	>	assertTrue(future.isDone());
417	>	assertFalse(future.isCancelled());
418		}
419		}
420
378	–
421		/**
422		* Completed submit(callable) returns result
423		*/
424		public void testSubmitCallable() throws Throwable {
425		ExecutorService e = new ForkJoinPool(1);
426	<	try {
426	>	try (PoolCleaner cleaner = cleaner(e)) {
427		Future<String> future = e.submit(new StringTask());
428	<	String result = future.get();
429	<	assertSame(TEST_STRING, result);
430	<	} finally {
389	<	joinPool(e);
428	>	assertSame(TEST_STRING, future.get());
429	>	assertTrue(future.isDone());
430	>	assertFalse(future.isCancelled());
431		}
432		}
433
#	Line 395 | Line 436 | public class ForkJoinPoolTest extends JS
436		*/
437		public void testSubmitRunnable() throws Throwable {
438		ExecutorService e = new ForkJoinPool(1);
439	<	try {
439	>	try (PoolCleaner cleaner = cleaner(e)) {
440		Future<?> future = e.submit(new NoOpRunnable());
441	<	future.get();
441	>	assertNull(future.get());
442		assertTrue(future.isDone());
443	<	} finally {
403	<	joinPool(e);
443	>	assertFalse(future.isCancelled());
444		}
445		}
446
#	Line 409 | Line 449 | public class ForkJoinPoolTest extends JS
449		*/
450		public void testSubmitRunnable2() throws Throwable {
451		ExecutorService e = new ForkJoinPool(1);
452	<	try {
452	>	try (PoolCleaner cleaner = cleaner(e)) {
453		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
454	<	String result = future.get();
455	<	assertSame(TEST_STRING, result);
456	<	} finally {
417	<	joinPool(e);
454	>	assertSame(TEST_STRING, future.get());
455	>	assertTrue(future.isDone());
456	>	assertFalse(future.isCancelled());
457		}
458		}
459
421	–
460		/**
461	<	* A submitted privileged action to completion
461	>	* A submitted privileged action runs to completion
462		*/
463	<	public void testSubmitPrivilegedAction() throws Throwable {
464	<	Policy savedPolicy = null;
465	<	try {
466	<	savedPolicy = Policy.getPolicy();
467	<	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 {
463	>	public void testSubmitPrivilegedAction() throws Exception {
464	>	final Callable callable = Executors.callable(new PrivilegedAction() {
465	>	public Object run() { return TEST_STRING; }});
466	>	Runnable r = new CheckedRunnable() {
467	>	public void realRun() throws Exception {
468		ExecutorService e = new ForkJoinPool(1);
469	<	try {
470	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
471	<	public Object run() {
442	<	return TEST_STRING;
443	<	}}));
444	<
445	<	Object result = future.get();
446	<	assertSame(TEST_STRING, result);
447	<	} finally {
448	<	joinPool(e);
469	>	try (PoolCleaner cleaner = cleaner(e)) {
470	>	Future future = e.submit(callable);
471	>	assertSame(TEST_STRING, future.get());
472		}
473	<	} finally {
474	<	Policy.setPolicy(savedPolicy);
475	<	}
473	>	}};
474	>
475	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
476		}
477
478		/**
479	<	* A submitted a privileged exception action runs to completion
479	>	* A submitted privileged exception action runs to completion
480		*/
481	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
482	<	Policy savedPolicy = null;
483	<	try {
484	<	savedPolicy = Policy.getPolicy();
485	<	AdjustablePolicy policy = new AdjustablePolicy();
486	<	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 {
481	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
482	>	final Callable callable =
483	>	Executors.callable(new PrivilegedExceptionAction() {
484	>	public Object run() { return TEST_STRING; }});
485	>	Runnable r = new CheckedRunnable() {
486	>	public void realRun() throws Exception {
487		ExecutorService e = new ForkJoinPool(1);
488	<	try {
489	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
490	<	public Object run() {
475	<	return TEST_STRING;
476	<	}}));
477	<
478	<	Object result = future.get();
479	<	assertSame(TEST_STRING, result);
480	<	} finally {
481	<	joinPool(e);
488	>	try (PoolCleaner cleaner = cleaner(e)) {
489	>	Future future = e.submit(callable);
490	>	assertSame(TEST_STRING, future.get());
491		}
492	<	} finally {
493	<	Policy.setPolicy(savedPolicy);
494	<	}
492	>	}};
493	>
494	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
495		}
496
497		/**
498		* A submitted failed privileged exception action reports exception
499		*/
500	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
501	<	Policy savedPolicy = null;
502	<	try {
503	<	savedPolicy = Policy.getPolicy();
504	<	AdjustablePolicy policy = new AdjustablePolicy();
505	<	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 {
500	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
501	>	final Callable callable =
502	>	Executors.callable(new PrivilegedExceptionAction() {
503	>	public Object run() { throw new IndexOutOfBoundsException(); }});
504	>	Runnable r = new CheckedRunnable() {
505	>	public void realRun() throws Exception {
506		ExecutorService e = new ForkJoinPool(1);
507	<	try {
508	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
509	<	public Object run() throws Exception {
510	<	throw new IndexOutOfBoundsException();
511	<	}}));
512	<
513	<	Object result = future.get();
514	<	shouldThrow();
513	<	} catch (ExecutionException success) {
514	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
515	<	} finally {
516	<	joinPool(e);
507	>	try (PoolCleaner cleaner = cleaner(e)) {
508	>	Future future = e.submit(callable);
509	>	try {
510	>	future.get();
511	>	shouldThrow();
512	>	} catch (ExecutionException success) {
513	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
514	>	}
515		}
516	<	} finally {
517	<	Policy.setPolicy(savedPolicy);
518	<	}
516	>	}};
517	>
518	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
519		}
520
521		/**
#	Line 525 | Line 523 | public class ForkJoinPoolTest extends JS
523		*/
524		public void testExecuteNullRunnable() {
525		ExecutorService e = new ForkJoinPool(1);
526	<	try {
527	<	TrackedShortRunnable task = null;
528	<	Future<?> future = e.submit(task);
529	<	shouldThrow();
530	<	} catch (NullPointerException success) {
533	<	} finally {
534	<	joinPool(e);
526	>	try (PoolCleaner cleaner = cleaner(e)) {
527	>	try {
528	>	Future<?> future = e.submit((Runnable) null);
529	>	shouldThrow();
530	>	} catch (NullPointerException success) {}
531		}
532		}
533
538	–
534		/**
535		* submit(null callable) throws NullPointerException
536		*/
537		public void testSubmitNullCallable() {
538		ExecutorService e = new ForkJoinPool(1);
539	<	try {
540	<	StringTask t = null;
541	<	Future<String> future = e.submit(t);
542	<	shouldThrow();
543	<	} catch (NullPointerException success) {
549	<	} finally {
550	<	joinPool(e);
539	>	try (PoolCleaner cleaner = cleaner(e)) {
540	>	try {
541	>	Future<String> future = e.submit((Callable) null);
542	>	shouldThrow();
543	>	} catch (NullPointerException success) {}
544		}
545		}
546
554	–
547		/**
548	<	* Blocking on submit(callable) throws InterruptedException if
557	<	* caller interrupted.
548	>	* submit(callable).get() throws InterruptedException if interrupted
549		*/
550		public void testInterruptedSubmit() throws InterruptedException {
551	<	final ForkJoinPool p = new ForkJoinPool(1);
552	<
553	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
554	<	public void realRun() throws Throwable {
555	<	p.submit(new CheckedCallable<Object>() {
556	<	public Object realCall() throws Throwable {
557	<	try {
558	<	Thread.sleep(MEDIUM_DELAY_MS);
559	<	} catch (InterruptedException ok) {
560	<	}
561	<	return null;
562	<	}}).get();
563	<	}});
564	<
565	<	t.start();
566	<	Thread.sleep(SHORT_DELAY_MS);
567	<	t.interrupt();
568	<	t.join();
569	<	p.shutdownNow();
570	<	joinPool(p);
551	>	final CountDownLatch submitted    = new CountDownLatch(1);
552	>	final CountDownLatch quittingTime = new CountDownLatch(1);
553	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
554	>	public Void realCall() throws InterruptedException {
555	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
556	>	return null;
557	>	}};
558	>	final ExecutorService p = new ForkJoinPool(1);
559	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
560	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
561	>	public void realRun() throws Exception {
562	>	Future<Void> future = p.submit(awaiter);
563	>	submitted.countDown();
564	>	future.get();
565	>	}});
566	>	t.start();
567	>	await(submitted);
568	>	t.interrupt();
569	>	awaitTermination(t);
570	>	}
571		}
572
573		/**
#	Line 585 | Line 576 | public class ForkJoinPoolTest extends JS
576		*/
577		public void testSubmitEE() throws Throwable {
578		ForkJoinPool p = new ForkJoinPool(1);
579	<	try {
580	<	p.submit(new Callable() {
581	<	public Object call() {
582	<	int i = 5/0;
583	<	return Boolean.TRUE;
584	<	}}).get();
585	<	shouldThrow();
586	<	} catch (ExecutionException success) {
587	<	assertTrue(success.getCause() instanceof ArithmeticException);
597	<	} finally {
598	<	joinPool(p);
579	>	try (PoolCleaner cleaner = cleaner(p)) {
580	>	try {
581	>	p.submit(new Callable() {
582	>	public Object call() { throw new ArithmeticException(); }})
583	>	.get();
584	>	shouldThrow();
585	>	} catch (ExecutionException success) {
586	>	assertTrue(success.getCause() instanceof ArithmeticException);
587	>	}
588		}
589		}
590
#	Line 604 | Line 593 | public class ForkJoinPoolTest extends JS
593		*/
594		public void testInvokeAny1() throws Throwable {
595		ExecutorService e = new ForkJoinPool(1);
596	<	try {
597	<	e.invokeAny(null);
598	<	shouldThrow();
599	<	} catch (NullPointerException success) {
600	<	} finally {
612	<	joinPool(e);
596	>	try (PoolCleaner cleaner = cleaner(e)) {
597	>	try {
598	>	e.invokeAny(null);
599	>	shouldThrow();
600	>	} catch (NullPointerException success) {}
601		}
602		}
603
#	Line 618 | Line 606 | public class ForkJoinPoolTest extends JS
606		*/
607		public void testInvokeAny2() throws Throwable {
608		ExecutorService e = new ForkJoinPool(1);
609	<	try {
610	<	e.invokeAny(new ArrayList<Callable<String>>());
611	<	shouldThrow();
612	<	} catch (IllegalArgumentException success) {
613	<	} finally {
626	<	joinPool(e);
609	>	try (PoolCleaner cleaner = cleaner(e)) {
610	>	try {
611	>	e.invokeAny(new ArrayList<Callable<String>>());
612	>	shouldThrow();
613	>	} catch (IllegalArgumentException success) {}
614		}
615		}
616
#	Line 632 | Line 619 | public class ForkJoinPoolTest extends JS
619		*/
620		public void testInvokeAny3() throws Throwable {
621		ExecutorService e = new ForkJoinPool(1);
622	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
623	<	l.add(null);
624	<	try {
625	<	e.invokeAny(l);
626	<	shouldThrow();
627	<	} catch (NullPointerException success) {
628	<	} finally {
642	<	joinPool(e);
622	>	try (PoolCleaner cleaner = cleaner(e)) {
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		}
630		}
631
#	Line 649 | Line 635 | public class ForkJoinPoolTest extends JS
635		public void testInvokeAny4() throws Throwable {
636		CountDownLatch latch = new CountDownLatch(1);
637		ExecutorService e = new ForkJoinPool(1);
638	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
639	<	l.add(latchAwaitingStringTask(latch));
640	<	l.add(null);
641	<	try {
642	<	e.invokeAny(l);
643	<	shouldThrow();
644	<	} catch (NullPointerException success) {
645	<	} finally {
638	>	try (PoolCleaner cleaner = cleaner(e)) {
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		latch.countDown();
661	–	joinPool(e);
647		}
648		}
649
#	Line 667 | Line 652 | public class ForkJoinPoolTest extends JS
652		*/
653		public void testInvokeAny5() throws Throwable {
654		ExecutorService e = new ForkJoinPool(1);
655	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
656	<	l.add(new NPETask());
657	<	try {
658	<	e.invokeAny(l);
659	<	shouldThrow();
660	<	} catch (ExecutionException success) {
661	<	assertTrue(success.getCause() instanceof NullPointerException);
662	<	} finally {
663	<	joinPool(e);
655	>	try (PoolCleaner cleaner = cleaner(e)) {
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	>	}
664		}
665		}
666
#	Line 684 | Line 669 | public class ForkJoinPoolTest extends JS
669		*/
670		public void testInvokeAny6() throws Throwable {
671		ExecutorService e = new ForkJoinPool(1);
672	<	try {
672	>	try (PoolCleaner cleaner = cleaner(e)) {
673		List<Callable<String>> l = new ArrayList<Callable<String>>();
674		l.add(new StringTask());
675		l.add(new StringTask());
676		String result = e.invokeAny(l);
677		assertSame(TEST_STRING, result);
693	–	} finally {
694	–	joinPool(e);
678		}
679		}
680
#	Line 700 | Line 683 | public class ForkJoinPoolTest extends JS
683		*/
684		public void testInvokeAll1() throws Throwable {
685		ExecutorService e = new ForkJoinPool(1);
686	<	try {
687	<	e.invokeAll(null);
688	<	shouldThrow();
689	<	} catch (NullPointerException success) {
690	<	} finally {
708	<	joinPool(e);
686	>	try (PoolCleaner cleaner = cleaner(e)) {
687	>	try {
688	>	e.invokeAll(null);
689	>	shouldThrow();
690	>	} catch (NullPointerException success) {}
691		}
692		}
693
#	Line 714 | Line 696 | public class ForkJoinPoolTest extends JS
696		*/
697		public void testInvokeAll2() throws InterruptedException {
698		ExecutorService e = new ForkJoinPool(1);
699	<	try {
699	>	try (PoolCleaner cleaner = cleaner(e)) {
700		List<Future<String>> r
701		= e.invokeAll(new ArrayList<Callable<String>>());
702		assertTrue(r.isEmpty());
721	–	} finally {
722	–	joinPool(e);
703		}
704		}
705
#	Line 728 | Line 708 | public class ForkJoinPoolTest extends JS
708		*/
709		public void testInvokeAll3() throws InterruptedException {
710		ExecutorService e = new ForkJoinPool(1);
711	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
712	<	l.add(new StringTask());
713	<	l.add(null);
714	<	try {
715	<	e.invokeAll(l);
716	<	shouldThrow();
717	<	} catch (NullPointerException success) {
718	<	} finally {
739	<	joinPool(e);
711	>	try (PoolCleaner cleaner = cleaner(e)) {
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		}
720		}
721
#	Line 746 | Line 725 | public class ForkJoinPoolTest extends JS
725		*/
726		public void testInvokeAll4() throws Throwable {
727		ExecutorService e = new ForkJoinPool(1);
728	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
729	<	l.add(new NPETask());
730	<	List<Future<String>> futures = e.invokeAll(l);
731	<	assertEquals(1, futures.size());
732	<	try {
733	<	futures.get(0).get();
734	<	shouldThrow();
735	<	} catch (ExecutionException success) {
736	<	assertTrue(success.getCause() instanceof NullPointerException);
737	<	} finally {
738	<	joinPool(e);
728	>	try (PoolCleaner cleaner = cleaner(e)) {
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	>	}
739		}
740		}
741
#	Line 765 | Line 744 | public class ForkJoinPoolTest extends JS
744		*/
745		public void testInvokeAll5() throws Throwable {
746		ExecutorService e = new ForkJoinPool(1);
747	<	try {
747	>	try (PoolCleaner cleaner = cleaner(e)) {
748		List<Callable<String>> l = new ArrayList<Callable<String>>();
749		l.add(new StringTask());
750		l.add(new StringTask());
#	Line 773 | Line 752 | public class ForkJoinPoolTest extends JS
752		assertEquals(2, futures.size());
753		for (Future<String> future : futures)
754		assertSame(TEST_STRING, future.get());
776	–	} finally {
777	–	joinPool(e);
755		}
756		}
757
781	–
758		/**
759		* timed invokeAny(null) throws NullPointerException
760		*/
761		public void testTimedInvokeAny1() throws Throwable {
762		ExecutorService e = new ForkJoinPool(1);
763	<	try {
764	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
765	<	shouldThrow();
766	<	} catch (NullPointerException success) {
767	<	} finally {
792	<	joinPool(e);
763	>	try (PoolCleaner cleaner = cleaner(e)) {
764	>	try {
765	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
766	>	shouldThrow();
767	>	} catch (NullPointerException success) {}
768		}
769		}
770
#	Line 798 | Line 773 | public class ForkJoinPoolTest extends JS
773		*/
774		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
775		ExecutorService e = new ForkJoinPool(1);
776	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
777	<	l.add(new StringTask());
778	<	try {
779	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
780	<	shouldThrow();
781	<	} catch (NullPointerException success) {
782	<	} finally {
808	<	joinPool(e);
776	>	try (PoolCleaner cleaner = cleaner(e)) {
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		}
784		}
785
#	Line 814 | Line 788 | public class ForkJoinPoolTest extends JS
788		*/
789		public void testTimedInvokeAny2() throws Throwable {
790		ExecutorService e = new ForkJoinPool(1);
791	<	try {
792	<	e.invokeAny(new ArrayList<Callable<String>>(),
793	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
794	<	shouldThrow();
795	<	} catch (IllegalArgumentException success) {
796	<	} finally {
823	<	joinPool(e);
791	>	try (PoolCleaner cleaner = cleaner(e)) {
792	>	try {
793	>	e.invokeAny(new ArrayList<Callable<String>>(),
794	>	MEDIUM_DELAY_MS, MILLISECONDS);
795	>	shouldThrow();
796	>	} catch (IllegalArgumentException success) {}
797		}
798		}
799
#	Line 830 | Line 803 | public class ForkJoinPoolTest extends JS
803		public void testTimedInvokeAny3() throws Throwable {
804		CountDownLatch latch = new CountDownLatch(1);
805		ExecutorService e = new ForkJoinPool(1);
806	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
807	<	l.add(latchAwaitingStringTask(latch));
808	<	l.add(null);
809	<	try {
810	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
811	<	shouldThrow();
812	<	} catch (NullPointerException success) {
813	<	} finally {
806	>	try (PoolCleaner cleaner = cleaner(e)) {
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, MILLISECONDS);
812	>	shouldThrow();
813	>	} catch (NullPointerException success) {}
814		latch.countDown();
842	–	joinPool(e);
815		}
816		}
817
#	Line 848 | Line 820 | public class ForkJoinPoolTest extends JS
820		*/
821		public void testTimedInvokeAny4() throws Throwable {
822		ExecutorService e = new ForkJoinPool(1);
823	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
824	<	l.add(new NPETask());
825	<	try {
826	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
827	<	shouldThrow();
828	<	} catch (ExecutionException success) {
829	<	assertTrue(success.getCause() instanceof NullPointerException);
830	<	} finally {
831	<	joinPool(e);
823	>	try (PoolCleaner cleaner = cleaner(e)) {
824	>	long startTime = System.nanoTime();
825	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
826	>	l.add(new NPETask());
827	>	try {
828	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
829	>	shouldThrow();
830	>	} catch (ExecutionException success) {
831	>	assertTrue(success.getCause() instanceof NullPointerException);
832	>	}
833	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
834		}
835		}
836
#	Line 865 | Line 839 | public class ForkJoinPoolTest extends JS
839		*/
840		public void testTimedInvokeAny5() throws Throwable {
841		ExecutorService e = new ForkJoinPool(1);
842	<	try {
842	>	try (PoolCleaner cleaner = cleaner(e)) {
843		List<Callable<String>> l = new ArrayList<Callable<String>>();
844		l.add(new StringTask());
845		l.add(new StringTask());
846	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
846	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
847		assertSame(TEST_STRING, result);
874	–	} finally {
875	–	joinPool(e);
848		}
849		}
850
#	Line 881 | Line 853 | public class ForkJoinPoolTest extends JS
853		*/
854		public void testTimedInvokeAll1() throws Throwable {
855		ExecutorService e = new ForkJoinPool(1);
856	<	try {
857	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
858	<	shouldThrow();
859	<	} catch (NullPointerException success) {
860	<	} finally {
889	<	joinPool(e);
856	>	try (PoolCleaner cleaner = cleaner(e)) {
857	>	try {
858	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
859	>	shouldThrow();
860	>	} catch (NullPointerException success) {}
861		}
862		}
863
#	Line 895 | Line 866 | public class ForkJoinPoolTest extends JS
866		*/
867		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
868		ExecutorService e = new ForkJoinPool(1);
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	<	} finally {
905	<	joinPool(e);
869	>	try (PoolCleaner cleaner = cleaner(e)) {
870	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
871	>	l.add(new StringTask());
872	>	try {
873	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
874	>	shouldThrow();
875	>	} catch (NullPointerException success) {}
876		}
877		}
878
#	Line 911 | Line 881 | public class ForkJoinPoolTest extends JS
881		*/
882		public void testTimedInvokeAll2() throws InterruptedException {
883		ExecutorService e = new ForkJoinPool(1);
884	<	try {
884	>	try (PoolCleaner cleaner = cleaner(e)) {
885		List<Future<String>> r
886		= e.invokeAll(new ArrayList<Callable<String>>(),
887	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
887	>	MEDIUM_DELAY_MS, MILLISECONDS);
888		assertTrue(r.isEmpty());
919	–	} finally {
920	–	joinPool(e);
889		}
890		}
891
#	Line 926 | Line 894 | public class ForkJoinPoolTest extends JS
894		*/
895		public void testTimedInvokeAll3() throws InterruptedException {
896		ExecutorService e = new ForkJoinPool(1);
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, TimeUnit.MILLISECONDS);
902	<	shouldThrow();
903	<	} catch (NullPointerException success) {
904	<	} finally {
937	<	joinPool(e);
897	>	try (PoolCleaner cleaner = cleaner(e)) {
898	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
899	>	l.add(new StringTask());
900	>	l.add(null);
901	>	try {
902	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
903	>	shouldThrow();
904	>	} catch (NullPointerException success) {}
905		}
906		}
907
#	Line 943 | Line 910 | public class ForkJoinPoolTest extends JS
910		*/
911		public void testTimedInvokeAll4() throws Throwable {
912		ExecutorService e = new ForkJoinPool(1);
913	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
914	<	l.add(new NPETask());
915	<	List<Future<String>> futures
916	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.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	<	} finally {
924	<	joinPool(e);
913	>	try (PoolCleaner cleaner = cleaner(e)) {
914	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	>	l.add(new NPETask());
916	>	List<Future<String>> futures
917	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
918	>	assertEquals(1, futures.size());
919	>	try {
920	>	futures.get(0).get();
921	>	shouldThrow();
922	>	} catch (ExecutionException success) {
923	>	assertTrue(success.getCause() instanceof NullPointerException);
924	>	}
925		}
926		}
927
#	Line 962 | Line 929 | public class ForkJoinPoolTest extends JS
929		* timed invokeAll(c) returns results of all completed tasks in c
930		*/
931		public void testTimedInvokeAll5() throws Throwable {
932	<	ExecutorService e = new ForkJoinPool(1);
933	<	try {
932	>	ForkJoinPool e = new ForkJoinPool(1);
933	>	try (PoolCleaner cleaner = cleaner(e)) {
934		List<Callable<String>> l = new ArrayList<Callable<String>>();
935		l.add(new StringTask());
936		l.add(new StringTask());
937		List<Future<String>> futures
938	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
938	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
939		assertEquals(2, futures.size());
940		for (Future<String> future : futures)
941		assertSame(TEST_STRING, future.get());
975	–	} finally {
976	–	joinPool(e);
942		}
943		}
944

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