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Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.2 by jsr166, Fri Jul 31 23:37:31 2009 UTC vs.
Revision 1.69 by jsr166, Tue Oct 13 21:14:39 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9
10	<	import junit.framework.*;
11	<	import java.util.*;
12	<	import java.util.concurrent.*;
13	<	import java.util.concurrent.locks.*;
14	<	import java.security.*;
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.CountDownLatch;
17	>	import java.util.concurrent.ExecutionException;
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.RejectedExecutionException;
26	>	import java.util.concurrent.atomic.AtomicBoolean;
27	>	import java.util.concurrent.locks.ReentrantLock;
28	>
29	>	import junit.framework.AssertionFailedError;
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33	<	public class ForkJoinPoolTest extends JSR166TestCase{
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 38 | Line 58 | public class ForkJoinPoolTest extends JS
58		// Some classes to test extension and factory methods
59
60		static class MyHandler implements Thread.UncaughtExceptionHandler {
61	<	int catches = 0;
61	>	volatile int catches = 0;
62		public void uncaughtException(Thread t, Throwable e) {
63		++catches;
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() { throw new Error(); }
72	>	protected void onStart() { super.onStart(); throw new MyError(); }
73		}
74
75	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
76	<	int calls = 0;
75	>	static class FailingThreadFactory
76	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
77	>	volatile int calls = 0;
78		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
79		if (++calls > 1) return null;
80		return new FailingFJWSubclass(p);
#	Line 86 | 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 114 | 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 135 | Line 158 | public class ForkJoinPoolTest extends JS
158		}
159
160		/**
161	<	* Succesfully constructed pool reports default factory,
161	>	* Successfully constructed pool reports default factory,
162		* parallelism and async mode policies, no active threads or
163		* tasks, and quiescent running state.
164		*/
165		public void testDefaultInitialState() {
166	<	ForkJoinPool p = null;
167	<	try {
168	<	p = new ForkJoinPool(1);
169	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
166	>	ForkJoinPool p = new ForkJoinPool(1);
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());
158	–	} finally {
159	–	joinPool(p);
179		}
180		}
181
#	Line 167 | Line 186 | public class ForkJoinPoolTest extends JS
186		try {
187		new ForkJoinPool(-1);
188		shouldThrow();
189	<	}
171	<	catch (IllegalArgumentException success) {}
189	>	} catch (IllegalArgumentException success) {}
190		}
191
192		/**
#	Line 176 | Line 194 | public class ForkJoinPoolTest extends JS
194		*/
195		public void testConstructor2() {
196		try {
197	<	new ForkJoinPool(1, null);
197	>	new ForkJoinPool(1, null, null, false);
198		shouldThrow();
199	<	}
182	<	catch (NullPointerException success) {}
199	>	} catch (NullPointerException success) {}
200		}
201
185	–
202		/**
203		* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206	<	ForkJoinPool p = null;
207	<	try {
208	<	p = new ForkJoinPool(1);
193	<	assertTrue(p.getParallelism() == 1);
194	<	} finally {
195	<	joinPool(p);
196	<	}
197	<	}
198	<
199	<	/**
200	<	* setParallelism changes reported parallelism level.
201	<	*/
202	<	public void testSetParallelism() {
203	<	ForkJoinPool p = null;
204	<	try {
205	<	p = new ForkJoinPool(1);
206	<	assertTrue(p.getParallelism() == 1);
207	<	p.setParallelism(2);
208	<	assertTrue(p.getParallelism() == 2);
209	<	} finally {
210	<	joinPool(p);
211	<	}
212	<	}
213	<
214	<	/**
215	<	* setParallelism with argument <= 0 throws exception
216	<	*/
217	<	public void testSetParallelism2() {
218	<	ForkJoinPool p = null;
219	<	try {
220	<	p = new ForkJoinPool(1);
221	<	assertTrue(p.getParallelism() == 1);
222	<	p.setParallelism(-2);
223	<	shouldThrow();
224	<	} catch (IllegalArgumentException success) {
225	<	} finally {
226	<	joinPool(p);
206	>	ForkJoinPool p = new ForkJoinPool(1);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	assertEquals(1, p.getParallelism());
209		}
210		}
211
#	Line 231 | Line 213 | public class ForkJoinPoolTest extends JS
213		* getPoolSize returns number of started workers.
214		*/
215		public void testGetPoolSize() {
216	<	ForkJoinPool p = null;
217	<	try {
218	<	p = new ForkJoinPool(1);
219	<	assertTrue(p.getPoolSize() == 0);
220	<	Future<String> future = p.submit(new StringTask());
221	<	assertTrue(p.getPoolSize() == 1);
222	<
223	<	} finally {
224	<	joinPool(p);
225	<	}
226	<	}
227	<
228	<	/**
229	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
230	<	*/
231	<	public void testSetMaximumPoolSize() {
232	<	ForkJoinPool p = null;
251	<	try {
252	<	p = new ForkJoinPool(1);
253	<	p.setMaximumPoolSize(2);
254	<	assertTrue(p.getMaximumPoolSize() == 2);
255	<	} finally {
256	<	joinPool(p);
257	<	}
258	<	}
259	<
260	<	/**
261	<	* setMaximumPoolSize with argument <= 0 throws exception
262	<	*/
263	<	public void testSetMaximumPoolSize2() {
264	<	ForkJoinPool p = null;
265	<	try {
266	<	p = new ForkJoinPool(1);
267	<	p.setMaximumPoolSize(-2);
268	<	shouldThrow();
269	<	} catch (IllegalArgumentException success) {
270	<	} finally {
271	<	joinPool(p);
272	<	}
273	<	}
274	<
275	<	/**
276	<	* setMaintainsParallelism changes policy reported by
277	<	* getMaintainsParallelism.
278	<	*/
279	<	public void testSetMaintainsParallelism() {
280	<	ForkJoinPool p = null;
281	<	try {
282	<	p = new ForkJoinPool(1);
283	<	p.setMaintainsParallelism(false);
284	<	assertFalse(p.getMaintainsParallelism());
285	<	} finally {
286	<	joinPool(p);
216	>	final CountDownLatch taskStarted = new CountDownLatch(1);
217	>	final CountDownLatch done = new CountDownLatch(1);
218	>	final ForkJoinPool p = new ForkJoinPool(1);
219	>	try (PoolCleaner cleaner = cleaner(p)) {
220	>	assertEquals(0, p.getActiveThreadCount());
221	>	final Runnable task = new CheckedRunnable() {
222	>	public void realRun() throws InterruptedException {
223	>	taskStarted.countDown();
224	>	assertEquals(1, p.getPoolSize());
225	>	assertEquals(1, p.getActiveThreadCount());
226	>	done.await();
227	>	}};
228	>	Future<?> future = p.submit(task);
229	>	await(taskStarted);
230	>	assertEquals(1, p.getPoolSize());
231	>	assertEquals(1, p.getActiveThreadCount());
232	>	done.countDown();
233		}
234	+	assertEquals(0, p.getPoolSize());
235	+	assertEquals(0, p.getActiveThreadCount());
236		}
237
238		/**
239	<	* setAsyncMode changes policy reported by
292	<	* getAsyncMode.
239	>	* awaitTermination on a non-shutdown pool times out
240		*/
241	<	public void testSetAsyncMode() {
242	<	ForkJoinPool p = null;
243	<	try {
244	<	p = new ForkJoinPool(1);
245	<	p.setAsyncMode(true);
246	<	assertTrue(p.getAsyncMode());
247	<	} finally {
248	<	joinPool(p);
241	>	public void testAwaitTermination_timesOut() throws InterruptedException {
242	>	ForkJoinPool p = new ForkJoinPool(1);
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertFalse(p.isTerminated());
245	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
246	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
247	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
248	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
249	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
250	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
251	>	long timeoutNanos = 999999L;
252	>	long startTime = System.nanoTime();
253	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
254	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
255	>	assertFalse(p.isTerminated());
256	>	startTime = System.nanoTime();
257	>	long timeoutMillis = timeoutMillis();
258	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
259	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
260	>	assertFalse(p.isTerminated());
261	>	p.shutdown();
262	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
263	>	assertTrue(p.isTerminated());
264		}
265		}
266
#	Line 308 | Line 270 | public class ForkJoinPoolTest extends JS
270		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
271		* performs its defined action
272		*/
273	<	public void testSetUncaughtExceptionHandler() {
274	<	ForkJoinPool p = null;
275	<	try {
276	<	p = new ForkJoinPool(1, new FailingThreadFactory());
277	<	MyHandler eh = new MyHandler();
278	<	p.setUncaughtExceptionHandler(eh);
279	<	assertEquals(eh, p.getUncaughtExceptionHandler());
280	<	p.execute(new FailingTask());
281	<	Thread.sleep(MEDIUM_DELAY_MS);
282	<	assertTrue(eh.catches > 0);
283	<	} catch (InterruptedException e) {
284	<	unexpectedException();
285	<	} finally {
286	<	joinPool(p);
273	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
274	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
275	>	final Thread.UncaughtExceptionHandler ueh =
276	>	new Thread.UncaughtExceptionHandler() {
277	>	public void uncaughtException(Thread t, Throwable e) {
278	>	threadAssertTrue(e instanceof MyError);
279	>	threadAssertTrue(t instanceof FailingFJWSubclass);
280	>	uehInvoked.countDown();
281	>	}};
282	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
283	>	ueh, false);
284	>	try (PoolCleaner cleaner = cleaner(p)) {
285	>	assertSame(ueh, p.getUncaughtExceptionHandler());
286	>	try {
287	>	p.execute(new FibTask(8));
288	>	await(uehInvoked);
289	>	} finally {
290	>	p.shutdownNow(); // failure might have prevented processing task
291	>	}
292		}
293		}
294
295		/**
296	<	* setUncaughtExceptionHandler of null removes handler
297	<	*/
298	<	public void testSetUncaughtExceptionHandler2() {
299	<	ForkJoinPool p = null;
300	<	try {
301	<	p = new ForkJoinPool(1);
302	<	p.setUncaughtExceptionHandler(null);
303	<	assertNull(p.getUncaughtExceptionHandler());
304	<	} finally {
305	<	joinPool(p);
306	<	}
307	<	}
308	<
296	>	* After invoking a single task, isQuiescent eventually becomes
297	>	* true, at which time queues are empty, threads are not active,
298	>	* the task has completed successfully, and construction
299	>	* parameters continue to hold
300	>	*/
301	>	public void testIsQuiescent() throws Exception {
302	>	ForkJoinPool p = new ForkJoinPool(2);
303	>	try (PoolCleaner cleaner = cleaner(p)) {
304	>	assertTrue(p.isQuiescent());
305	>	long startTime = System.nanoTime();
306	>	FibTask f = new FibTask(20);
307	>	p.invoke(f);
308	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
309	>	p.getFactory());
310	>	while (! p.isQuiescent()) {
311	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
312	>	throw new AssertionFailedError("timed out");
313	>	assertFalse(p.getAsyncMode());
314	>	assertFalse(p.isShutdown());
315	>	assertFalse(p.isTerminating());
316	>	assertFalse(p.isTerminated());
317	>	Thread.yield();
318	>	}
319
343	–	/**
344	–	* After invoking a single task, isQuiescent is true,
345	–	* queues are empty, threads are not active, and
346	–	* construction parameters continue to hold
347	–	*/
348	–	public void testisQuiescent() {
349	–	ForkJoinPool p = null;
350	–	try {
351	–	p = new ForkJoinPool(2);
352	–	p.invoke(new FibTask(20));
353	–	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
354	–	Thread.sleep(MEDIUM_DELAY_MS);
320		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
321		assertFalse(p.getAsyncMode());
322	<	assertTrue(p.getActiveThreadCount() == 0);
323	<	assertTrue(p.getQueuedTaskCount() == 0);
324	<	assertTrue(p.getQueuedSubmissionCount() == 0);
322	>	assertEquals(0, p.getActiveThreadCount());
323	>	assertEquals(0, p.getQueuedTaskCount());
324	>	assertEquals(0, p.getQueuedSubmissionCount());
325		assertFalse(p.hasQueuedSubmissions());
326		assertFalse(p.isShutdown());
327		assertFalse(p.isTerminating());
328		assertFalse(p.isTerminated());
329	<	} catch (InterruptedException e) {
330	<	unexpectedException();
367	<	} finally {
368	<	joinPool(p);
329	>	assertTrue(f.isDone());
330	>	assertEquals(6765, (int) f.get());
331		}
332		}
333
334		/**
335		* Completed submit(ForkJoinTask) returns result
336		*/
337	<	public void testSubmitForkJoinTask() {
338	<	ForkJoinPool p = null;
339	<	try {
378	<	p = new ForkJoinPool(1);
337	>	public void testSubmitForkJoinTask() throws Throwable {
338	>	ForkJoinPool p = new ForkJoinPool(1);
339	>	try (PoolCleaner cleaner = cleaner(p)) {
340		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
341	<	int r = f.get();
381	<	assertTrue(r == 21);
382	<	} catch (ExecutionException ex) {
383	<	unexpectedException();
384	<	} catch (InterruptedException ex) {
385	<	unexpectedException();
386	<	} finally {
387	<	joinPool(p);
341	>	assertEquals(21, (int) f.get());
342		}
343		}
344
#	Line 392 | Line 346 | public class ForkJoinPoolTest extends JS
346		* A task submitted after shutdown is rejected
347		*/
348		public void testSubmitAfterShutdown() {
349	<	ForkJoinPool p = null;
350	<	try {
397	<	p = new ForkJoinPool(1);
349	>	ForkJoinPool p = new ForkJoinPool(1);
350	>	try (PoolCleaner cleaner = cleaner(p)) {
351		p.shutdown();
352		assertTrue(p.isShutdown());
353	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
354	<	shouldThrow();
355	<	} catch (RejectedExecutionException success) {
356	<	} finally {
404	<	joinPool(p);
353	>	try {
354	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
355	>	shouldThrow();
356	>	} catch (RejectedExecutionException success) {}
357		}
358		}
359
360		/**
361		* Pool maintains parallelism when using ManagedBlocker
362		*/
363	<	public void testBlockingForkJoinTask() {
364	<	ForkJoinPool p = null;
363	>	public void testBlockingForkJoinTask() throws Throwable {
364	>	ForkJoinPool p = new ForkJoinPool(4);
365		try {
414	–	p = new ForkJoinPool(4);
366		ReentrantLock lock = new ReentrantLock();
367		ManagedLocker locker = new ManagedLocker(lock);
368	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
368	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
369		p.execute(f);
370	<	assertTrue(p.getPoolSize() >= 4);
420	<	int r = f.get();
421	<	assertTrue(r ==  832040);
422	<	} catch (ExecutionException ex) {
423	<	unexpectedException();
424	<	} catch (InterruptedException ex) {
425	<	unexpectedException();
370	>	assertEquals(6765, (int) f.get());
371		} finally {
372	<	joinPool(p);
372	>	p.shutdownNow(); // don't wait out shutdown
373		}
374		}
375
#	Line 432 | Line 377 | public class ForkJoinPoolTest extends JS
377		* pollSubmission returns unexecuted submitted task, if present
378		*/
379		public void testPollSubmission() {
380	<	SubFJP p = null;
381	<	try {
382	<	p = new SubFJP();
383	<	ForkJoinTask a = p.submit(new MediumRunnable());
384	<	ForkJoinTask b = p.submit(new MediumRunnable());
385	<	ForkJoinTask c = p.submit(new MediumRunnable());
380	>	final CountDownLatch done = new CountDownLatch(1);
381	>	SubFJP p = new SubFJP();
382	>	try (PoolCleaner cleaner = cleaner(p)) {
383	>	ForkJoinTask a = p.submit(awaiter(done));
384	>	ForkJoinTask b = p.submit(awaiter(done));
385	>	ForkJoinTask c = p.submit(awaiter(done));
386		ForkJoinTask r = p.pollSubmission();
387		assertTrue(r == a || r == b || r == c);
388		assertFalse(r.isDone());
389	<	} finally {
445	<	joinPool(p);
389	>	done.countDown();
390		}
391		}
392
#	Line 450 | Line 394 | public class ForkJoinPoolTest extends JS
394		* drainTasksTo transfers unexecuted submitted tasks, if present
395		*/
396		public void testDrainTasksTo() {
397	<	SubFJP p = null;
398	<	try {
399	<	p = new SubFJP();
400	<	ForkJoinTask a = p.submit(new MediumRunnable());
401	<	ForkJoinTask b = p.submit(new MediumRunnable());
402	<	ForkJoinTask c = p.submit(new MediumRunnable());
397	>	final CountDownLatch done = new CountDownLatch(1);
398	>	SubFJP p = new SubFJP();
399	>	try (PoolCleaner cleaner = cleaner(p)) {
400	>	ForkJoinTask a = p.submit(awaiter(done));
401	>	ForkJoinTask b = p.submit(awaiter(done));
402	>	ForkJoinTask c = p.submit(awaiter(done));
403		ArrayList<ForkJoinTask> al = new ArrayList();
404		p.drainTasksTo(al);
405		assertTrue(al.size() > 0);
#	Line 463 | Line 407 | public class ForkJoinPoolTest extends JS
407		assertTrue(r == a || r == b || r == c);
408		assertFalse(r.isDone());
409		}
410	<	} finally {
467	<	joinPool(p);
410	>	done.countDown();
411		}
412		}
413
471	–
414		// FJ Versions of AbstractExecutorService tests
415
416		/**
417		* execute(runnable) runs it to completion
418		*/
419	<	public void testExecuteRunnable() {
420	<	try {
421	<	ExecutorService e = new ForkJoinPool(1);
422	<	TrackedShortRunnable task = new TrackedShortRunnable();
423	<	assertFalse(task.done);
424	<	Future<?> future = e.submit(task);
425	<	future.get();
426	<	assertTrue(task.done);
427	<	}
428	<	catch (ExecutionException ex) {
429	<	unexpectedException();
430	<	}
431	<	catch (InterruptedException ex) {
490	<	unexpectedException();
419	>	public void testExecuteRunnable() throws Throwable {
420	>	ExecutorService e = new ForkJoinPool(1);
421	>	try (PoolCleaner cleaner = cleaner(e)) {
422	>	final AtomicBoolean done = new AtomicBoolean(false);
423	>	Future<?> future = e.submit(new CheckedRunnable() {
424	>	public void realRun() {
425	>	done.set(true);
426	>	}});
427	>	assertNull(future.get());
428	>	assertNull(future.get(0, MILLISECONDS));
429	>	assertTrue(done.get());
430	>	assertTrue(future.isDone());
431	>	assertFalse(future.isCancelled());
432		}
433		}
434
494	–
435		/**
436		* Completed submit(callable) returns result
437		*/
438	<	public void testSubmitCallable() {
439	<	try {
440	<	ExecutorService e = new ForkJoinPool(1);
438	>	public void testSubmitCallable() throws Throwable {
439	>	ExecutorService e = new ForkJoinPool(1);
440	>	try (PoolCleaner cleaner = cleaner(e)) {
441		Future<String> future = e.submit(new StringTask());
442	<	String result = future.get();
443	<	assertSame(TEST_STRING, result);
444	<	}
505	<	catch (ExecutionException ex) {
506	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
442	>	assertSame(TEST_STRING, future.get());
443	>	assertTrue(future.isDone());
444	>	assertFalse(future.isCancelled());
445		}
446		}
447
448		/**
449		* Completed submit(runnable) returns successfully
450		*/
451	<	public void testSubmitRunnable() {
452	<	try {
453	<	ExecutorService e = new ForkJoinPool(1);
451	>	public void testSubmitRunnable() throws Throwable {
452	>	ExecutorService e = new ForkJoinPool(1);
453	>	try (PoolCleaner cleaner = cleaner(e)) {
454		Future<?> future = e.submit(new NoOpRunnable());
455	<	future.get();
455	>	assertNull(future.get());
456		assertTrue(future.isDone());
457	<	}
523	<	catch (ExecutionException ex) {
524	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
457	>	assertFalse(future.isCancelled());
458		}
459		}
460
461		/**
462		* Completed submit(runnable, result) returns result
463		*/
464	<	public void testSubmitRunnable2() {
465	<	try {
466	<	ExecutorService e = new ForkJoinPool(1);
464	>	public void testSubmitRunnable2() throws Throwable {
465	>	ExecutorService e = new ForkJoinPool(1);
466	>	try (PoolCleaner cleaner = cleaner(e)) {
467		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
468	<	String result = future.get();
469	<	assertSame(TEST_STRING, result);
470	<	}
541	<	catch (ExecutionException ex) {
542	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
468	>	assertSame(TEST_STRING, future.get());
469	>	assertTrue(future.isDone());
470	>	assertFalse(future.isCancelled());
471		}
472		}
473
549	–
474		/**
475	<	* A submitted privileged action to completion
475	>	* A submitted privileged action runs to completion
476		*/
477	<	public void testSubmitPrivilegedAction() {
478	<	Policy savedPolicy = null;
479	<	try {
480	<	savedPolicy = Policy.getPolicy();
481	<	AdjustablePolicy policy = new AdjustablePolicy();
558	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
559	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
560	<	Policy.setPolicy(policy);
561	<	} catch (AccessControlException ok) {
562	<	return;
563	<	}
564	<	try {
477	>	public void testSubmitPrivilegedAction() throws Exception {
478	>	final Callable callable = Executors.callable(new PrivilegedAction() {
479	>	public Object run() { return TEST_STRING; }});
480	>	Runnable r = new CheckedRunnable() {
481	>	public void realRun() throws Exception {
482		ExecutorService e = new ForkJoinPool(1);
483	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
484	<	public Object run() {
485	<	return TEST_STRING;
569	<	}}));
570	<
571	<	Object result = future.get();
572	<	assertSame(TEST_STRING, result);
573	<	}
574	<	catch (ExecutionException ex) {
575	<	unexpectedException();
576	<	}
577	<	catch (InterruptedException ex) {
578	<	unexpectedException();
579	<	}
580	<	finally {
581	<	try {
582	<	Policy.setPolicy(savedPolicy);
583	<	} catch (AccessControlException ok) {
584	<	return;
483	>	try (PoolCleaner cleaner = cleaner(e)) {
484	>	Future future = e.submit(callable);
485	>	assertSame(TEST_STRING, future.get());
486		}
487	<	}
487	>	}};
488	>
489	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
490		}
491
492		/**
493	<	* A submitted a privileged exception action runs to completion
493	>	* A submitted privileged exception action runs to completion
494		*/
495	<	public void testSubmitPrivilegedExceptionAction() {
496	<	Policy savedPolicy = null;
497	<	try {
498	<	savedPolicy = Policy.getPolicy();
499	<	AdjustablePolicy policy = new AdjustablePolicy();
500	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
598	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
599	<	Policy.setPolicy(policy);
600	<	} catch (AccessControlException ok) {
601	<	return;
602	<	}
603	<
604	<	try {
495	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
496	>	final Callable callable =
497	>	Executors.callable(new PrivilegedExceptionAction() {
498	>	public Object run() { return TEST_STRING; }});
499	>	Runnable r = new CheckedRunnable() {
500	>	public void realRun() throws Exception {
501		ExecutorService e = new ForkJoinPool(1);
502	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
503	<	public Object run() {
504	<	return TEST_STRING;
505	<	}}));
502	>	try (PoolCleaner cleaner = cleaner(e)) {
503	>	Future future = e.submit(callable);
504	>	assertSame(TEST_STRING, future.get());
505	>	}
506	>	}};
507
508	<	Object result = future.get();
612	<	assertSame(TEST_STRING, result);
613	<	}
614	<	catch (ExecutionException ex) {
615	<	unexpectedException();
616	<	}
617	<	catch (InterruptedException ex) {
618	<	unexpectedException();
619	<	}
620	<	finally {
621	<	Policy.setPolicy(savedPolicy);
622	<	}
508	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
509		}
510
511		/**
512		* A submitted failed privileged exception action reports exception
513		*/
514	<	public void testSubmitFailedPrivilegedExceptionAction() {
515	<	Policy savedPolicy = null;
516	<	try {
517	<	savedPolicy = Policy.getPolicy();
518	<	AdjustablePolicy policy = new AdjustablePolicy();
519	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
634	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
635	<	Policy.setPolicy(policy);
636	<	} catch (AccessControlException ok) {
637	<	return;
638	<	}
639	<
640	<
641	<	try {
514	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
515	>	final Callable callable =
516	>	Executors.callable(new PrivilegedExceptionAction() {
517	>	public Object run() { throw new IndexOutOfBoundsException(); }});
518	>	Runnable r = new CheckedRunnable() {
519	>	public void realRun() throws Exception {
520		ExecutorService e = new ForkJoinPool(1);
521	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
522	<	public Object run() throws Exception {
523	<	throw new IndexOutOfBoundsException();
524	<	}}));
521	>	try (PoolCleaner cleaner = cleaner(e)) {
522	>	Future future = e.submit(callable);
523	>	try {
524	>	future.get();
525	>	shouldThrow();
526	>	} catch (ExecutionException success) {
527	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
528	>	}
529	>	}
530	>	}};
531
532	<	Object result = future.get();
649	<	shouldThrow();
650	<	}
651	<	catch (ExecutionException success) {
652	<	} catch (CancellationException success) {
653	<	} catch (InterruptedException ex) {
654	<	unexpectedException();
655	<	}
656	<	finally {
657	<	Policy.setPolicy(savedPolicy);
658	<	}
532	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
533		}
534
535		/**
536	<	* execute(null runnable) throws NPE
536	>	* execute(null runnable) throws NullPointerException
537		*/
538		public void testExecuteNullRunnable() {
539	<	try {
540	<	ExecutorService e = new ForkJoinPool(1);
541	<	TrackedShortRunnable task = null;
542	<	Future<?> future = e.submit(task);
543	<	shouldThrow();
544	<	}
671	<	catch (NullPointerException success) {
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
539	>	ExecutorService e = new ForkJoinPool(1);
540	>	try (PoolCleaner cleaner = cleaner(e)) {
541	>	try {
542	>	Future<?> future = e.submit((Runnable) null);
543	>	shouldThrow();
544	>	} catch (NullPointerException success) {}
545		}
546		}
547
678	–
548		/**
549	<	* submit(null callable) throws NPE
549	>	* submit(null callable) throws NullPointerException
550		*/
551		public void testSubmitNullCallable() {
552	<	try {
553	<	ExecutorService e = new ForkJoinPool(1);
554	<	StringTask t = null;
555	<	Future<String> future = e.submit(t);
556	<	shouldThrow();
557	<	}
689	<	catch (NullPointerException success) {
690	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
552	>	ExecutorService e = new ForkJoinPool(1);
553	>	try (PoolCleaner cleaner = cleaner(e)) {
554	>	try {
555	>	Future<String> future = e.submit((Callable) null);
556	>	shouldThrow();
557	>	} catch (NullPointerException success) {}
558		}
559		}
560
696	–
561		/**
562	<	*  Blocking on submit(callable) throws InterruptedException if
563	<	*  caller interrupted.
564	<	*/
565	<	public void testInterruptedSubmit() {
566	<	final ForkJoinPool p = new ForkJoinPool(1);
567	<	Thread t = new Thread(new Runnable() {
568	<	public void run() {
569	<	try {
570	<	p.submit(new Callable<Object>() {
571	<	public Object call() {
572	<	try {
573	<	Thread.sleep(MEDIUM_DELAY_MS);
574	<	shouldThrow();
575	<	} catch (InterruptedException e) {
576	<	}
577	<	return null;
578	<	}
579	<	}).get();
716	<	} catch (InterruptedException success) {
717	<	} catch (Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
562	>	* submit(callable).get() throws InterruptedException if interrupted
563	>	*/
564	>	public void testInterruptedSubmit() throws InterruptedException {
565	>	final CountDownLatch submitted    = new CountDownLatch(1);
566	>	final CountDownLatch quittingTime = new CountDownLatch(1);
567	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
568	>	public Void realCall() throws InterruptedException {
569	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
570	>	return null;
571	>	}};
572	>	final ExecutorService p = new ForkJoinPool(1);
573	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
574	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
575	>	public void realRun() throws Exception {
576	>	Future<Void> future = p.submit(awaiter);
577	>	submitted.countDown();
578	>	future.get();
579	>	}});
580		t.start();
581	<	Thread.sleep(SHORT_DELAY_MS);
581	>	await(submitted);
582		t.interrupt();
583	<	} catch (Exception e) {
728	<	unexpectedException();
583	>	awaitTermination(t);
584		}
730	–	joinPool(p);
585		}
586
587		/**
588	<	*  get of submit(callable) throws ExecutionException if callable
589	<	*  throws exception
588	>	* get of submit(callable) throws ExecutionException if callable
589	>	* throws exception
590		*/
591	<	public void testSubmitEE() {
591	>	public void testSubmitEE() throws Throwable {
592		ForkJoinPool p = new ForkJoinPool(1);
593	<
594	<	try {
595	<	Callable c = new Callable() {
596	<	public Object call() {
597	<	int i = 5/0;
598	<	return Boolean.TRUE;
599	<	}
600	<	};
747	<
748	<	for (int i = 0; i < 5; i++) {
749	<	p.submit(c).get();
593	>	try (PoolCleaner cleaner = cleaner(p)) {
594	>	try {
595	>	p.submit(new Callable() {
596	>	public Object call() { throw new ArithmeticException(); }})
597	>	.get();
598	>	shouldThrow();
599	>	} catch (ExecutionException success) {
600	>	assertTrue(success.getCause() instanceof ArithmeticException);
601		}
602	+	}
603	+	}
604
605	<	shouldThrow();
606	<	} catch (ExecutionException success) {
607	<	} catch (CancellationException success) {
608	<	} catch (Exception e) {
609	<	unexpectedException();
605	>	/**
606	>	* invokeAny(null) throws NullPointerException
607	>	*/
608	>	public void testInvokeAny1() throws Throwable {
609	>	ExecutorService e = new ForkJoinPool(1);
610	>	try (PoolCleaner cleaner = cleaner(e)) {
611	>	try {
612	>	e.invokeAny(null);
613	>	shouldThrow();
614	>	} catch (NullPointerException success) {}
615		}
758	–	joinPool(p);
616		}
617
618		/**
619	<	* invokeAny(null) throws NPE
619	>	* invokeAny(empty collection) throws IllegalArgumentException
620		*/
621	<	public void testInvokeAny1() {
621	>	public void testInvokeAny2() throws Throwable {
622		ExecutorService e = new ForkJoinPool(1);
623	<	try {
624	<	e.invokeAny(null);
625	<	} catch (NullPointerException success) {
626	<	} catch (Exception ex) {
627	<	unexpectedException();
771	<	} finally {
772	<	joinPool(e);
623	>	try (PoolCleaner cleaner = cleaner(e)) {
624	>	try {
625	>	e.invokeAny(new ArrayList<Callable<String>>());
626	>	shouldThrow();
627	>	} catch (IllegalArgumentException success) {}
628		}
629		}
630
631		/**
632	<	* invokeAny(empty collection) throws IAE
632	>	* invokeAny(c) throws NullPointerException if c has a single null element
633		*/
634	<	public void testInvokeAny2() {
634	>	public void testInvokeAny3() throws Throwable {
635		ExecutorService e = new ForkJoinPool(1);
636	<	try {
637	<	e.invokeAny(new ArrayList<Callable<String>>());
638	<	} catch (IllegalArgumentException success) {
639	<	} catch (Exception ex) {
640	<	unexpectedException();
641	<	} finally {
642	<	joinPool(e);
636	>	try (PoolCleaner cleaner = cleaner(e)) {
637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
638	>	l.add(null);
639	>	try {
640	>	e.invokeAny(l);
641	>	shouldThrow();
642	>	} catch (NullPointerException success) {}
643		}
644		}
645
646		/**
647	<	* invokeAny(c) throws NPE if c has null elements
647	>	* invokeAny(c) throws NullPointerException if c has null elements
648		*/
649	<	public void testInvokeAny3() {
649	>	public void testInvokeAny4() throws Throwable {
650	>	CountDownLatch latch = new CountDownLatch(1);
651		ExecutorService e = new ForkJoinPool(1);
652	<	try {
653	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
654	<	l.add(new StringTask());
652	>	try (PoolCleaner cleaner = cleaner(e)) {
653	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
654	>	l.add(latchAwaitingStringTask(latch));
655		l.add(null);
656	<	e.invokeAny(l);
657	<	} catch (NullPointerException success) {
658	<	} catch (Exception ex) {
659	<	ex.printStackTrace();
660	<	unexpectedException();
805	<	} finally {
806	<	joinPool(e);
656	>	try {
657	>	e.invokeAny(l);
658	>	shouldThrow();
659	>	} catch (NullPointerException success) {}
660	>	latch.countDown();
661		}
662		}
663
664		/**
665		* invokeAny(c) throws ExecutionException if no task in c completes
666		*/
667	<	public void testInvokeAny4() {
667	>	public void testInvokeAny5() throws Throwable {
668		ExecutorService e = new ForkJoinPool(1);
669	<	try {
670	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
669	>	try (PoolCleaner cleaner = cleaner(e)) {
670	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
671		l.add(new NPETask());
672	<	e.invokeAny(l);
673	<	} catch (ExecutionException success) {
674	<	} catch (CancellationException success) {
675	<	} catch (Exception ex) {
676	<	unexpectedException();
677	<	} finally {
824	<	joinPool(e);
672	>	try {
673	>	e.invokeAny(l);
674	>	shouldThrow();
675	>	} catch (ExecutionException success) {
676	>	assertTrue(success.getCause() instanceof NullPointerException);
677	>	}
678		}
679		}
680
681		/**
682		* invokeAny(c) returns result of some task in c if at least one completes
683		*/
684	<	public void testInvokeAny5() {
684	>	public void testInvokeAny6() throws Throwable {
685		ExecutorService e = new ForkJoinPool(1);
686	<	try {
687	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
686	>	try (PoolCleaner cleaner = cleaner(e)) {
687	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
688		l.add(new StringTask());
689		l.add(new StringTask());
690		String result = e.invokeAny(l);
691		assertSame(TEST_STRING, result);
839	–	} catch (ExecutionException success) {
840	–	} catch (CancellationException success) {
841	–	} catch (Exception ex) {
842	–	unexpectedException();
843	–	} finally {
844	–	joinPool(e);
692		}
693		}
694
695		/**
696	<	* invokeAll(null) throws NPE
696	>	* invokeAll(null) throws NullPointerException
697		*/
698	<	public void testInvokeAll1() {
698	>	public void testInvokeAll1() throws Throwable {
699		ExecutorService e = new ForkJoinPool(1);
700	<	try {
701	<	e.invokeAll(null);
702	<	} catch (NullPointerException success) {
703	<	} catch (Exception ex) {
704	<	unexpectedException();
858	<	} finally {
859	<	joinPool(e);
700	>	try (PoolCleaner cleaner = cleaner(e)) {
701	>	try {
702	>	e.invokeAll(null);
703	>	shouldThrow();
704	>	} catch (NullPointerException success) {}
705		}
706		}
707
708		/**
709		* invokeAll(empty collection) returns empty collection
710		*/
711	<	public void testInvokeAll2() {
711	>	public void testInvokeAll2() throws InterruptedException {
712		ExecutorService e = new ForkJoinPool(1);
713	<	try {
714	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
713	>	try (PoolCleaner cleaner = cleaner(e)) {
714	>	List<Future<String>> r
715	>	= e.invokeAll(new ArrayList<Callable<String>>());
716		assertTrue(r.isEmpty());
871	–	} catch (Exception ex) {
872	–	unexpectedException();
873	–	} finally {
874	–	joinPool(e);
717		}
718		}
719
720		/**
721	<	* invokeAll(c) throws NPE if c has null elements
721	>	* invokeAll(c) throws NullPointerException if c has null elements
722		*/
723	<	public void testInvokeAll3() {
723	>	public void testInvokeAll3() throws InterruptedException {
724		ExecutorService e = new ForkJoinPool(1);
725	<	try {
726	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
725	>	try (PoolCleaner cleaner = cleaner(e)) {
726	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
727		l.add(new StringTask());
728		l.add(null);
729	<	e.invokeAll(l);
730	<	} catch (NullPointerException success) {
731	<	} catch (Exception ex) {
732	<	unexpectedException();
891	<	} finally {
892	<	joinPool(e);
729	>	try {
730	>	e.invokeAll(l);
731	>	shouldThrow();
732	>	} catch (NullPointerException success) {}
733		}
734		}
735
736		/**
737	<	* get of returned element of invokeAll(c) throws exception on failed task
737	>	* get of returned element of invokeAll(c) throws
738	>	* ExecutionException on failed task
739		*/
740	<	public void testInvokeAll4() {
740	>	public void testInvokeAll4() throws Throwable {
741		ExecutorService e = new ForkJoinPool(1);
742	<	try {
743	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
742	>	try (PoolCleaner cleaner = cleaner(e)) {
743	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
744		l.add(new NPETask());
745	<	List<Future<String>> result = e.invokeAll(l);
746	<	assertEquals(1, result.size());
747	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
748	<	it.next().get();
749	<	} catch (ExecutionException success) {
750	<	} catch (CancellationException success) {
751	<	} catch (Exception ex) {
752	<	ex.printStackTrace();
912	<	unexpectedException();
913	<	} finally {
914	<	joinPool(e);
745	>	List<Future<String>> futures = e.invokeAll(l);
746	>	assertEquals(1, futures.size());
747	>	try {
748	>	futures.get(0).get();
749	>	shouldThrow();
750	>	} catch (ExecutionException success) {
751	>	assertTrue(success.getCause() instanceof NullPointerException);
752	>	}
753		}
754		}
755
756		/**
757		* invokeAll(c) returns results of all completed tasks in c
758		*/
759	<	public void testInvokeAll5() {
759	>	public void testInvokeAll5() throws Throwable {
760		ExecutorService e = new ForkJoinPool(1);
761	<	try {
762	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
761	>	try (PoolCleaner cleaner = cleaner(e)) {
762	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
763		l.add(new StringTask());
764		l.add(new StringTask());
765	<	List<Future<String>> result = e.invokeAll(l);
766	<	assertEquals(2, result.size());
767	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
768	<	assertSame(TEST_STRING, it.next().get());
931	<	} catch (ExecutionException success) {
932	<	} catch (CancellationException success) {
933	<	} catch (Exception ex) {
934	<	ex.printStackTrace();
935	<	unexpectedException();
936	<	} finally {
937	<	joinPool(e);
765	>	List<Future<String>> futures = e.invokeAll(l);
766	>	assertEquals(2, futures.size());
767	>	for (Future<String> future : futures)
768	>	assertSame(TEST_STRING, future.get());
769		}
770		}
771
941	–
772		/**
773	<	* timed invokeAny(null) throws NPE
773	>	* timed invokeAny(null) throws NullPointerException
774		*/
775	<	public void testTimedInvokeAny1() {
775	>	public void testTimedInvokeAny1() throws Throwable {
776		ExecutorService e = new ForkJoinPool(1);
777	<	try {
778	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
779	<	} catch (NullPointerException success) {
780	<	} catch (Exception ex) {
781	<	ex.printStackTrace();
952	<	unexpectedException();
953	<	} finally {
954	<	joinPool(e);
777	>	try (PoolCleaner cleaner = cleaner(e)) {
778	>	try {
779	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
780	>	shouldThrow();
781	>	} catch (NullPointerException success) {}
782		}
783		}
784
785		/**
786	<	* timed invokeAny(null time unit) throws NPE
786	>	* timed invokeAny(null time unit) throws NullPointerException
787		*/
788	<	public void testTimedInvokeAnyNullTimeUnit() {
788	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
789		ExecutorService e = new ForkJoinPool(1);
790	<	try {
791	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
790	>	try (PoolCleaner cleaner = cleaner(e)) {
791	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
792		l.add(new StringTask());
793	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
794	<	} catch (NullPointerException success) {
795	<	} catch (Exception ex) {
796	<	ex.printStackTrace();
970	<	unexpectedException();
971	<	} finally {
972	<	joinPool(e);
793	>	try {
794	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
795	>	shouldThrow();
796	>	} catch (NullPointerException success) {}
797		}
798		}
799
800		/**
801	<	* timed invokeAny(empty collection) throws IAE
801	>	* timed invokeAny(empty collection) throws IllegalArgumentException
802		*/
803	<	public void testTimedInvokeAny2() {
803	>	public void testTimedInvokeAny2() throws Throwable {
804		ExecutorService e = new ForkJoinPool(1);
805	<	try {
806	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
807	<	} catch (IllegalArgumentException success) {
808	<	} catch (Exception ex) {
809	<	ex.printStackTrace();
810	<	unexpectedException();
987	<	} finally {
988	<	joinPool(e);
805	>	try (PoolCleaner cleaner = cleaner(e)) {
806	>	try {
807	>	e.invokeAny(new ArrayList<Callable<String>>(),
808	>	MEDIUM_DELAY_MS, MILLISECONDS);
809	>	shouldThrow();
810	>	} catch (IllegalArgumentException success) {}
811		}
812		}
813
814		/**
815	<	* timed invokeAny(c) throws NPE if c has null elements
815	>	* timed invokeAny(c) throws NullPointerException if c has null elements
816		*/
817	<	public void testTimedInvokeAny3() {
817	>	public void testTimedInvokeAny3() throws Throwable {
818	>	CountDownLatch latch = new CountDownLatch(1);
819		ExecutorService e = new ForkJoinPool(1);
820	<	try {
821	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
822	<	l.add(new StringTask());
820	>	try (PoolCleaner cleaner = cleaner(e)) {
821	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
822	>	l.add(latchAwaitingStringTask(latch));
823		l.add(null);
824	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
825	<	} catch (NullPointerException success) {
826	<	} catch (Exception ex) {
827	<	ex.printStackTrace();
828	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
824	>	try {
825	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
826	>	shouldThrow();
827	>	} catch (NullPointerException success) {}
828	>	latch.countDown();
829		}
830		}
831
832		/**
833		* timed invokeAny(c) throws ExecutionException if no task completes
834		*/
835	<	public void testTimedInvokeAny4() {
835	>	public void testTimedInvokeAny4() throws Throwable {
836		ExecutorService e = new ForkJoinPool(1);
837	<	try {
838	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
837	>	try (PoolCleaner cleaner = cleaner(e)) {
838	>	long startTime = System.nanoTime();
839	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
840		l.add(new NPETask());
841	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
842	<	} catch (ExecutionException success) {
843	<	} catch (CancellationException success) {
844	<	} catch (Exception ex) {
845	<	ex.printStackTrace();
846	<	unexpectedException();
847	<	} finally {
1026	<	joinPool(e);
841	>	try {
842	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
843	>	shouldThrow();
844	>	} catch (ExecutionException success) {
845	>	assertTrue(success.getCause() instanceof NullPointerException);
846	>	}
847	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
848		}
849		}
850
851		/**
852		* timed invokeAny(c) returns result of some task in c
853		*/
854	<	public void testTimedInvokeAny5() {
854	>	public void testTimedInvokeAny5() throws Throwable {
855		ExecutorService e = new ForkJoinPool(1);
856	<	try {
857	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
856	>	try (PoolCleaner cleaner = cleaner(e)) {
857	>	long startTime = System.nanoTime();
858	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
859		l.add(new StringTask());
860		l.add(new StringTask());
861	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
861	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
862		assertSame(TEST_STRING, result);
863	<	} catch (ExecutionException success) {
1042	<	} catch (CancellationException success) {
1043	<	} catch (Exception ex) {
1044	<	ex.printStackTrace();
1045	<	unexpectedException();
1046	<	} finally {
1047	<	joinPool(e);
863	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
864		}
865		}
866
867		/**
868	<	* timed invokeAll(null) throws NPE
868	>	* timed invokeAll(null) throws NullPointerException
869		*/
870	<	public void testTimedInvokeAll1() {
870	>	public void testTimedInvokeAll1() throws Throwable {
871		ExecutorService e = new ForkJoinPool(1);
872	<	try {
873	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
874	<	} catch (NullPointerException success) {
875	<	} catch (Exception ex) {
876	<	ex.printStackTrace();
1061	<	unexpectedException();
1062	<	} finally {
1063	<	joinPool(e);
872	>	try (PoolCleaner cleaner = cleaner(e)) {
873	>	try {
874	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
875	>	shouldThrow();
876	>	} catch (NullPointerException success) {}
877		}
878		}
879
880		/**
881	<	* timed invokeAll(null time unit) throws NPE
881	>	* timed invokeAll(null time unit) throws NullPointerException
882		*/
883	<	public void testTimedInvokeAllNullTimeUnit() {
883	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
884		ExecutorService e = new ForkJoinPool(1);
885	<	try {
886	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
885	>	try (PoolCleaner cleaner = cleaner(e)) {
886	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
887		l.add(new StringTask());
888	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
889	<	} catch (NullPointerException success) {
890	<	} catch (Exception ex) {
891	<	ex.printStackTrace();
1079	<	unexpectedException();
1080	<	} finally {
1081	<	joinPool(e);
888	>	try {
889	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
890	>	shouldThrow();
891	>	} catch (NullPointerException success) {}
892		}
893		}
894
895		/**
896		* timed invokeAll(empty collection) returns empty collection
897		*/
898	<	public void testTimedInvokeAll2() {
898	>	public void testTimedInvokeAll2() throws InterruptedException {
899		ExecutorService e = new ForkJoinPool(1);
900	<	try {
901	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901	>	List<Future<String>> r
902	>	= e.invokeAll(new ArrayList<Callable<String>>(),
903	>	MEDIUM_DELAY_MS, MILLISECONDS);
904		assertTrue(r.isEmpty());
1093	–	} catch (Exception ex) {
1094	–	ex.printStackTrace();
1095	–	unexpectedException();
1096	–	} finally {
1097	–	joinPool(e);
905		}
906		}
907
908		/**
909	<	* timed invokeAll(c) throws NPE if c has null elements
909	>	* timed invokeAll(c) throws NullPointerException if c has null elements
910		*/
911	<	public void testTimedInvokeAll3() {
911	>	public void testTimedInvokeAll3() throws InterruptedException {
912		ExecutorService e = new ForkJoinPool(1);
913	<	try {
914	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
913	>	try (PoolCleaner cleaner = cleaner(e)) {
914	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
915		l.add(new StringTask());
916		l.add(null);
917	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
918	<	} catch (NullPointerException success) {
919	<	} catch (Exception ex) {
920	<	ex.printStackTrace();
1114	<	unexpectedException();
1115	<	} finally {
1116	<	joinPool(e);
917	>	try {
918	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
919	>	shouldThrow();
920	>	} catch (NullPointerException success) {}
921		}
922		}
923
924		/**
925		* get of returned element of invokeAll(c) throws exception on failed task
926		*/
927	<	public void testTimedInvokeAll4() {
927	>	public void testTimedInvokeAll4() throws Throwable {
928		ExecutorService e = new ForkJoinPool(1);
929	<	try {
930	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
931		l.add(new NPETask());
932	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
933	<	assertEquals(1, result.size());
934	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
935	<	it.next().get();
936	<	} catch (ExecutionException success) {
937	<	} catch (CancellationException success) {
938	<	} catch (Exception ex) {
939	<	ex.printStackTrace();
940	<	unexpectedException();
1137	<	} finally {
1138	<	joinPool(e);
932	>	List<Future<String>> futures
933	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
934	>	assertEquals(1, futures.size());
935	>	try {
936	>	futures.get(0).get();
937	>	shouldThrow();
938	>	} catch (ExecutionException success) {
939	>	assertTrue(success.getCause() instanceof NullPointerException);
940	>	}
941		}
942		}
943
944		/**
945		* timed invokeAll(c) returns results of all completed tasks in c
946		*/
947	<	public void testTimedInvokeAll5() {
948	<	ExecutorService e = new ForkJoinPool(1);
949	<	try {
950	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
947	>	public void testTimedInvokeAll5() throws Throwable {
948	>	ForkJoinPool e = new ForkJoinPool(1);
949	>	try (PoolCleaner cleaner = cleaner(e)) {
950	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
951		l.add(new StringTask());
952		l.add(new StringTask());
953	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
954	<	assertEquals(2, result.size());
955	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
956	<	assertSame(TEST_STRING, it.next().get());
957	<	} catch (ExecutionException success) {
1156	<	} catch (CancellationException success) {
1157	<	} catch (Exception ex) {
1158	<	ex.printStackTrace();
1159	<	unexpectedException();
1160	<	} finally {
1161	<	joinPool(e);
953	>	List<Future<String>> futures
954	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
955	>	assertEquals(2, futures.size());
956	>	for (Future<String> future : futures)
957	>	assertSame(TEST_STRING, future.get());
958		}
959		}
960

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