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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.4 by jsr166, Sat Aug 1 21:56:02 2009 UTC vs.
Revision 1.64 by jsr166, Mon Oct 5 22:54:45 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 {
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		}
#	Line 47 | Line 67 | public class ForkJoinPoolTest extends JS
67		// to test handlers
68		static class FailingFJWSubclass extends ForkJoinWorkerThread {
69		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
70	<	protected void onStart() { throw new Error(); }
70	>	protected void onStart() { super.onStart(); throw new Error(); }
71		}
72
73	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
74	<	int calls = 0;
73	>	static class FailingThreadFactory
74	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
75	>	volatile int calls = 0;
76		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
77		if (++calls > 1) return null;
78		return new FailingFJWSubclass(p);
#	Line 86 | Line 107 | public class ForkJoinPoolTest extends JS
107		static final class FibTask extends RecursiveTask<Integer> {
108		final int number;
109		FibTask(int n) { number = n; }
110	<	public Integer compute() {
110	>	protected Integer compute() {
111		int n = number;
112		if (n <= 1)
113		return n;
#	Line 114 | Line 135 | public class ForkJoinPoolTest extends JS
135		this.locker = locker;
136		this.lock = lock;
137		}
138	<	public Integer compute() {
138	>	protected Integer compute() {
139		int n;
140		LockingFibTask f1 = null;
141		LockingFibTask f2 = null;
#	Line 135 | Line 156 | public class ForkJoinPoolTest extends JS
156		}
157
158		/**
159	<	* Succesfully constructed pool reports default factory,
159	>	* Successfully constructed pool reports default factory,
160		* parallelism and async mode policies, no active threads or
161		* tasks, and quiescent running state.
162		*/
163		public void testDefaultInitialState() {
164	<	ForkJoinPool p = null;
165	<	try {
166	<	p = new ForkJoinPool(1);
167	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
164	>	ForkJoinPool p = new ForkJoinPool(1);
165	>	try (PoolCleaner cleaner = cleaner(p)) {
166	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
167	>	p.getFactory());
168		assertFalse(p.getAsyncMode());
169	<	assertTrue(p.getActiveThreadCount() == 0);
170	<	assertTrue(p.getStealCount() == 0);
171	<	assertTrue(p.getQueuedTaskCount() == 0);
172	<	assertTrue(p.getQueuedSubmissionCount() == 0);
169	>	assertEquals(0, p.getActiveThreadCount());
170	>	assertEquals(0, p.getStealCount());
171	>	assertEquals(0, p.getQueuedTaskCount());
172	>	assertEquals(0, p.getQueuedSubmissionCount());
173		assertFalse(p.hasQueuedSubmissions());
174		assertFalse(p.isShutdown());
175		assertFalse(p.isTerminating());
176		assertFalse(p.isTerminated());
158	–	} finally {
159	–	joinPool(p);
177		}
178		}
179
#	Line 167 | Line 184 | public class ForkJoinPoolTest extends JS
184		try {
185		new ForkJoinPool(-1);
186		shouldThrow();
187	<	}
171	<	catch (IllegalArgumentException success) {}
187	>	} catch (IllegalArgumentException success) {}
188		}
189
190		/**
#	Line 176 | Line 192 | public class ForkJoinPoolTest extends JS
192		*/
193		public void testConstructor2() {
194		try {
195	<	new ForkJoinPool(1, null);
195	>	new ForkJoinPool(1, null, null, false);
196		shouldThrow();
197	<	}
182	<	catch (NullPointerException success) {}
197	>	} catch (NullPointerException success) {}
198		}
199
185	–
200		/**
201		* getParallelism returns size set in constructor
202		*/
203		public void testGetParallelism() {
204	<	ForkJoinPool p = null;
205	<	try {
206	<	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);
204	>	ForkJoinPool p = new ForkJoinPool(1);
205	>	try (PoolCleaner cleaner = cleaner(p)) {
206	>	assertEquals(1, p.getParallelism());
207		}
208		}
209
#	Line 231 | Line 211 | public class ForkJoinPoolTest extends JS
211		* getPoolSize returns number of started workers.
212		*/
213		public void testGetPoolSize() {
214	<	ForkJoinPool p = null;
215	<	try {
216	<	p = new ForkJoinPool(1);
237	<	assertTrue(p.getPoolSize() == 0);
214	>	ForkJoinPool p = new ForkJoinPool(1);
215	>	try (PoolCleaner cleaner = cleaner(p)) {
216	>	assertEquals(0, p.getActiveThreadCount());
217		Future<String> future = p.submit(new StringTask());
218	<	assertTrue(p.getPoolSize() == 1);
240	<
241	<	} finally {
242	<	joinPool(p);
218	>	assertEquals(1, p.getPoolSize());
219		}
220		}
221
222		/**
223	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
223	>	* awaitTermination on a non-shutdown pool times out
224		*/
225	<	public void testSetMaximumPoolSize() {
226	<	ForkJoinPool p = null;
227	<	try {
228	<	p = new ForkJoinPool(1);
229	<	p.setMaximumPoolSize(2);
230	<	assertTrue(p.getMaximumPoolSize() == 2);
231	<	} finally {
232	<	joinPool(p);
233	<	}
234	<	}
235	<
236	<	/**
237	<	* setMaximumPoolSize with argument <= 0 throws exception
238	<	*/
239	<	public void testSetMaximumPoolSize2() {
240	<	ForkJoinPool p = null;
241	<	try {
242	<	p = new ForkJoinPool(1);
243	<	p.setMaximumPoolSize(-2);
244	<	shouldThrow();
245	<	} catch (IllegalArgumentException success) {
246	<	} finally {
247	<	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);
287	<	}
288	<	}
289	<
290	<	/**
291	<	* setAsyncMode changes policy reported by
292	<	* getAsyncMode.
293	<	*/
294	<	public void testSetAsyncMode() {
295	<	ForkJoinPool p = null;
296	<	try {
297	<	p = new ForkJoinPool(1);
298	<	p.setAsyncMode(true);
299	<	assertTrue(p.getAsyncMode());
300	<	} finally {
301	<	joinPool(p);
225	>	public void testAwaitTermination_timesOut() throws InterruptedException {
226	>	ForkJoinPool p = new ForkJoinPool(1);
227	>	try (PoolCleaner cleaner = cleaner(p)) {
228	>	assertFalse(p.isTerminated());
229	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
230	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
231	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
232	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
233	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
234	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
235	>	long timeoutNanos = 999999L;
236	>	long startTime = System.nanoTime();
237	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
238	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
239	>	assertFalse(p.isTerminated());
240	>	startTime = System.nanoTime();
241	>	long timeoutMillis = timeoutMillis();
242	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
243	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
244	>	assertFalse(p.isTerminated());
245	>	p.shutdown();
246	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
247	>	assertTrue(p.isTerminated());
248		}
249		}
250
#	Line 308 | Line 254 | public class ForkJoinPoolTest extends JS
254		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
255		* performs its defined action
256		*/
257	<	public void testSetUncaughtExceptionHandler() {
258	<	ForkJoinPool p = null;
257	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
258	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
259	>	final Thread.UncaughtExceptionHandler eh =
260	>	new Thread.UncaughtExceptionHandler() {
261	>	public void uncaughtException(Thread t, Throwable e) {
262	>	uehInvoked.countDown();
263	>	}};
264	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
265	>	eh, false);
266		try {
267	<	p = new ForkJoinPool(1, new FailingThreadFactory());
268	<	MyHandler eh = new MyHandler();
269	<	p.setUncaughtExceptionHandler(eh);
270	<	assertEquals(eh, p.getUncaughtExceptionHandler());
271	<	p.execute(new FailingTask());
272	<	Thread.sleep(MEDIUM_DELAY_MS);
320	<	assertTrue(eh.catches > 0);
321	<	} catch (InterruptedException e) {
322	<	unexpectedException();
267	>	assertSame(eh, p.getUncaughtExceptionHandler());
268	>	try {
269	>	p.execute(new FibTask(8));
270	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
271	>	} catch (RejectedExecutionException ok) {
272	>	}
273		} finally {
274	+	p.shutdownNow(); // failure might have prevented processing task
275		joinPool(p);
276		}
277		}
278
279		/**
280	<	* setUncaughtExceptionHandler of null removes handler
280	>	* After invoking a single task, isQuiescent eventually becomes
281	>	* true, at which time queues are empty, threads are not active,
282	>	* the task has completed successfully, and construction
283	>	* parameters continue to hold
284		*/
285	<	public void testSetUncaughtExceptionHandler2() {
286	<	ForkJoinPool p = null;
287	<	try {
288	<	p = new ForkJoinPool(1);
289	<	p.setUncaughtExceptionHandler(null);
290	<	assertNull(p.getUncaughtExceptionHandler());
291	<	} finally {
292	<	joinPool(p);
293	<	}
294	<	}
295	<
285	>	public void testIsQuiescent() throws Exception {
286	>	ForkJoinPool p = new ForkJoinPool(2);
287	>	try (PoolCleaner cleaner = cleaner(p)) {
288	>	assertTrue(p.isQuiescent());
289	>	long startTime = System.nanoTime();
290	>	FibTask f = new FibTask(20);
291	>	p.invoke(f);
292	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
293	>	p.getFactory());
294	>	while (! p.isQuiescent()) {
295	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
296	>	throw new AssertionFailedError("timed out");
297	>	assertFalse(p.getAsyncMode());
298	>	assertFalse(p.isShutdown());
299	>	assertFalse(p.isTerminating());
300	>	assertFalse(p.isTerminated());
301	>	Thread.yield();
302	>	}
303
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);
304		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
305		assertFalse(p.getAsyncMode());
306	<	assertTrue(p.getActiveThreadCount() == 0);
307	<	assertTrue(p.getQueuedTaskCount() == 0);
308	<	assertTrue(p.getQueuedSubmissionCount() == 0);
306	>	assertEquals(0, p.getActiveThreadCount());
307	>	assertEquals(0, p.getQueuedTaskCount());
308	>	assertEquals(0, p.getQueuedSubmissionCount());
309		assertFalse(p.hasQueuedSubmissions());
310		assertFalse(p.isShutdown());
311		assertFalse(p.isTerminating());
312		assertFalse(p.isTerminated());
313	<	} catch (InterruptedException e) {
314	<	unexpectedException();
367	<	} finally {
368	<	joinPool(p);
313	>	assertTrue(f.isDone());
314	>	assertEquals(6765, (int) f.get());
315		}
316		}
317
318		/**
319		* Completed submit(ForkJoinTask) returns result
320		*/
321	<	public void testSubmitForkJoinTask() {
322	<	ForkJoinPool p = null;
323	<	try {
378	<	p = new ForkJoinPool(1);
321	>	public void testSubmitForkJoinTask() throws Throwable {
322	>	ForkJoinPool p = new ForkJoinPool(1);
323	>	try (PoolCleaner cleaner = cleaner(p)) {
324		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
325	<	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);
325	>	assertEquals(21, (int) f.get());
326		}
327		}
328
#	Line 392 | Line 330 | public class ForkJoinPoolTest extends JS
330		* A task submitted after shutdown is rejected
331		*/
332		public void testSubmitAfterShutdown() {
333	<	ForkJoinPool p = null;
334	<	try {
397	<	p = new ForkJoinPool(1);
333	>	ForkJoinPool p = new ForkJoinPool(1);
334	>	try (PoolCleaner cleaner = cleaner(p)) {
335		p.shutdown();
336		assertTrue(p.isShutdown());
337	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
338	<	shouldThrow();
339	<	} catch (RejectedExecutionException success) {
340	<	} finally {
404	<	joinPool(p);
337	>	try {
338	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
339	>	shouldThrow();
340	>	} catch (RejectedExecutionException success) {}
341		}
342		}
343
344		/**
345		* Pool maintains parallelism when using ManagedBlocker
346		*/
347	<	public void testBlockingForkJoinTask() {
348	<	ForkJoinPool p = null;
347	>	public void testBlockingForkJoinTask() throws Throwable {
348	>	ForkJoinPool p = new ForkJoinPool(4);
349		try {
414	–	p = new ForkJoinPool(4);
350		ReentrantLock lock = new ReentrantLock();
351		ManagedLocker locker = new ManagedLocker(lock);
352	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
352	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
353		p.execute(f);
354	<	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();
354	>	assertEquals(6765, (int) f.get());
355		} finally {
356	<	joinPool(p);
356	>	p.shutdownNow(); // don't wait out shutdown
357		}
358		}
359
#	Line 432 | Line 361 | public class ForkJoinPoolTest extends JS
361		* pollSubmission returns unexecuted submitted task, if present
362		*/
363		public void testPollSubmission() {
364	<	SubFJP p = null;
365	<	try {
366	<	p = new SubFJP();
367	<	ForkJoinTask a = p.submit(new MediumRunnable());
368	<	ForkJoinTask b = p.submit(new MediumRunnable());
369	<	ForkJoinTask c = p.submit(new MediumRunnable());
364	>	final CountDownLatch done = new CountDownLatch(1);
365	>	SubFJP p = new SubFJP();
366	>	try (PoolCleaner cleaner = cleaner(p)) {
367	>	ForkJoinTask a = p.submit(awaiter(done));
368	>	ForkJoinTask b = p.submit(awaiter(done));
369	>	ForkJoinTask c = p.submit(awaiter(done));
370		ForkJoinTask r = p.pollSubmission();
371		assertTrue(r == a || r == b || r == c);
372		assertFalse(r.isDone());
373	<	} finally {
445	<	joinPool(p);
373	>	done.countDown();
374		}
375		}
376
#	Line 450 | Line 378 | public class ForkJoinPoolTest extends JS
378		* drainTasksTo transfers unexecuted submitted tasks, if present
379		*/
380		public void testDrainTasksTo() {
381	<	SubFJP p = null;
382	<	try {
383	<	p = new SubFJP();
384	<	ForkJoinTask a = p.submit(new MediumRunnable());
385	<	ForkJoinTask b = p.submit(new MediumRunnable());
386	<	ForkJoinTask c = p.submit(new MediumRunnable());
381	>	final CountDownLatch done = new CountDownLatch(1);
382	>	SubFJP p = new SubFJP();
383	>	try (PoolCleaner cleaner = cleaner(p)) {
384	>	ForkJoinTask a = p.submit(awaiter(done));
385	>	ForkJoinTask b = p.submit(awaiter(done));
386	>	ForkJoinTask c = p.submit(awaiter(done));
387		ArrayList<ForkJoinTask> al = new ArrayList();
388		p.drainTasksTo(al);
389		assertTrue(al.size() > 0);
#	Line 463 | Line 391 | public class ForkJoinPoolTest extends JS
391		assertTrue(r == a || r == b || r == c);
392		assertFalse(r.isDone());
393		}
394	<	} finally {
467	<	joinPool(p);
394	>	done.countDown();
395		}
396		}
397
471	–
398		// FJ Versions of AbstractExecutorService tests
399
400		/**
401		* execute(runnable) runs it to completion
402		*/
403	<	public void testExecuteRunnable() {
404	<	try {
405	<	ExecutorService e = new ForkJoinPool(1);
406	<	TrackedShortRunnable task = new TrackedShortRunnable();
407	<	assertFalse(task.done);
408	<	Future<?> future = e.submit(task);
409	<	future.get();
410	<	assertTrue(task.done);
411	<	}
412	<	catch (ExecutionException ex) {
413	<	unexpectedException();
414	<	}
415	<	catch (InterruptedException ex) {
490	<	unexpectedException();
403	>	public void testExecuteRunnable() throws Throwable {
404	>	ExecutorService e = new ForkJoinPool(1);
405	>	try (PoolCleaner cleaner = cleaner(e)) {
406	>	final AtomicBoolean done = new AtomicBoolean(false);
407	>	Future<?> future = e.submit(new CheckedRunnable() {
408	>	public void realRun() {
409	>	done.set(true);
410	>	}});
411	>	assertNull(future.get());
412	>	assertNull(future.get(0, MILLISECONDS));
413	>	assertTrue(done.get());
414	>	assertTrue(future.isDone());
415	>	assertFalse(future.isCancelled());
416		}
417		}
418
494	–
419		/**
420		* Completed submit(callable) returns result
421		*/
422	<	public void testSubmitCallable() {
423	<	try {
424	<	ExecutorService e = new ForkJoinPool(1);
422	>	public void testSubmitCallable() throws Throwable {
423	>	ExecutorService e = new ForkJoinPool(1);
424	>	try (PoolCleaner cleaner = cleaner(e)) {
425		Future<String> future = e.submit(new StringTask());
426	<	String result = future.get();
427	<	assertSame(TEST_STRING, result);
428	<	}
505	<	catch (ExecutionException ex) {
506	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
426	>	assertSame(TEST_STRING, future.get());
427	>	assertTrue(future.isDone());
428	>	assertFalse(future.isCancelled());
429		}
430		}
431
432		/**
433		* Completed submit(runnable) returns successfully
434		*/
435	<	public void testSubmitRunnable() {
436	<	try {
437	<	ExecutorService e = new ForkJoinPool(1);
435	>	public void testSubmitRunnable() throws Throwable {
436	>	ExecutorService e = new ForkJoinPool(1);
437	>	try (PoolCleaner cleaner = cleaner(e)) {
438		Future<?> future = e.submit(new NoOpRunnable());
439	<	future.get();
439	>	assertNull(future.get());
440		assertTrue(future.isDone());
441	<	}
523	<	catch (ExecutionException ex) {
524	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
441	>	assertFalse(future.isCancelled());
442		}
443		}
444
445		/**
446		* Completed submit(runnable, result) returns result
447		*/
448	<	public void testSubmitRunnable2() {
449	<	try {
450	<	ExecutorService e = new ForkJoinPool(1);
448	>	public void testSubmitRunnable2() throws Throwable {
449	>	ExecutorService e = new ForkJoinPool(1);
450	>	try (PoolCleaner cleaner = cleaner(e)) {
451		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
452	<	String result = future.get();
453	<	assertSame(TEST_STRING, result);
454	<	}
541	<	catch (ExecutionException ex) {
542	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
452	>	assertSame(TEST_STRING, future.get());
453	>	assertTrue(future.isDone());
454	>	assertFalse(future.isCancelled());
455		}
456		}
457
549	–
458		/**
459	<	* A submitted privileged action to completion
459	>	* A submitted privileged action runs to completion
460		*/
461	<	public void testSubmitPrivilegedAction() {
462	<	Policy savedPolicy = null;
463	<	try {
464	<	savedPolicy = Policy.getPolicy();
465	<	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 {
461	>	public void testSubmitPrivilegedAction() throws Exception {
462	>	final Callable callable = Executors.callable(new PrivilegedAction() {
463	>	public Object run() { return TEST_STRING; }});
464	>	Runnable r = new CheckedRunnable() {
465	>	public void realRun() throws Exception {
466		ExecutorService e = new ForkJoinPool(1);
467	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
468	<	public Object run() {
469	<	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;
467	>	try (PoolCleaner cleaner = cleaner(e)) {
468	>	Future future = e.submit(callable);
469	>	assertSame(TEST_STRING, future.get());
470		}
471	<	}
471	>	}};
472	>
473	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
474		}
475
476		/**
477	<	* A submitted a privileged exception action runs to completion
477	>	* A submitted privileged exception action runs to completion
478		*/
479	<	public void testSubmitPrivilegedExceptionAction() {
480	<	Policy savedPolicy = null;
481	<	try {
482	<	savedPolicy = Policy.getPolicy();
483	<	AdjustablePolicy policy = new AdjustablePolicy();
484	<	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 {
479	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
480	>	final Callable callable =
481	>	Executors.callable(new PrivilegedExceptionAction() {
482	>	public Object run() { return TEST_STRING; }});
483	>	Runnable r = new CheckedRunnable() {
484	>	public void realRun() throws Exception {
485		ExecutorService e = new ForkJoinPool(1);
486	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
487	<	public Object run() {
488	<	return TEST_STRING;
489	<	}}));
486	>	try (PoolCleaner cleaner = cleaner(e)) {
487	>	Future future = e.submit(callable);
488	>	assertSame(TEST_STRING, future.get());
489	>	}
490	>	}};
491
492	<	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	<	}
492	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
493		}
494
495		/**
496		* A submitted failed privileged exception action reports exception
497		*/
498	<	public void testSubmitFailedPrivilegedExceptionAction() {
499	<	Policy savedPolicy = null;
500	<	try {
501	<	savedPolicy = Policy.getPolicy();
502	<	AdjustablePolicy policy = new AdjustablePolicy();
503	<	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 {
498	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
499	>	final Callable callable =
500	>	Executors.callable(new PrivilegedExceptionAction() {
501	>	public Object run() { throw new IndexOutOfBoundsException(); }});
502	>	Runnable r = new CheckedRunnable() {
503	>	public void realRun() throws Exception {
504		ExecutorService e = new ForkJoinPool(1);
505	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
506	<	public Object run() throws Exception {
507	<	throw new IndexOutOfBoundsException();
508	<	}}));
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	Future future = e.submit(callable);
507	>	try {
508	>	future.get();
509	>	shouldThrow();
510	>	} catch (ExecutionException success) {
511	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
512	>	}
513	>	}
514	>	}};
515
516	<	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	<	}
516	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
517		}
518
519		/**
520	<	* execute(null runnable) throws NPE
520	>	* execute(null runnable) throws NullPointerException
521		*/
522		public void testExecuteNullRunnable() {
523	<	try {
524	<	ExecutorService e = new ForkJoinPool(1);
525	<	TrackedShortRunnable task = null;
526	<	Future<?> future = e.submit(task);
527	<	shouldThrow();
528	<	}
671	<	catch (NullPointerException success) {
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
523	>	ExecutorService e = new ForkJoinPool(1);
524	>	try (PoolCleaner cleaner = cleaner(e)) {
525	>	try {
526	>	Future<?> future = e.submit((Runnable) null);
527	>	shouldThrow();
528	>	} catch (NullPointerException success) {}
529		}
530		}
531
678	–
532		/**
533	<	* submit(null callable) throws NPE
533	>	* submit(null callable) throws NullPointerException
534		*/
535		public void testSubmitNullCallable() {
536	<	try {
537	<	ExecutorService e = new ForkJoinPool(1);
538	<	StringTask t = null;
539	<	Future<String> future = e.submit(t);
540	<	shouldThrow();
541	<	}
689	<	catch (NullPointerException success) {
690	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
536	>	ExecutorService e = new ForkJoinPool(1);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<String> future = e.submit((Callable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
696	–
545		/**
546	<	* Blocking on submit(callable) throws InterruptedException if
547	<	* caller interrupted.
548	<	*/
549	<	public void testInterruptedSubmit() {
550	<	final ForkJoinPool p = new ForkJoinPool(1);
551	<	Thread t = new Thread(new Runnable() {
552	<	public void run() {
553	<	try {
554	<	p.submit(new Callable<Object>() {
555	<	public Object call() {
556	<	try {
557	<	Thread.sleep(MEDIUM_DELAY_MS);
558	<	shouldThrow();
559	<	} catch (InterruptedException e) {
560	<	}
561	<	return null;
562	<	}
563	<	}).get();
716	<	} catch (InterruptedException success) {
717	<	} catch (Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
546	>	* submit(callable).get() throws InterruptedException if interrupted
547	>	*/
548	>	public void testInterruptedSubmit() throws InterruptedException {
549	>	final CountDownLatch submitted    = new CountDownLatch(1);
550	>	final CountDownLatch quittingTime = new CountDownLatch(1);
551	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
552	>	public Void realCall() throws InterruptedException {
553	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
554	>	return null;
555	>	}};
556	>	final ExecutorService p = new ForkJoinPool(1);
557	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
558	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
559	>	public void realRun() throws Exception {
560	>	Future<Void> future = p.submit(awaiter);
561	>	submitted.countDown();
562	>	future.get();
563	>	}});
564		t.start();
565	<	Thread.sleep(SHORT_DELAY_MS);
565	>	await(submitted);
566		t.interrupt();
567	<	} catch (Exception e) {
728	<	unexpectedException();
567	>	awaitTermination(t);
568		}
730	–	joinPool(p);
569		}
570
571		/**
572		* get of submit(callable) throws ExecutionException if callable
573		* throws exception
574		*/
575	<	public void testSubmitEE() {
575	>	public void testSubmitEE() throws Throwable {
576		ForkJoinPool p = new ForkJoinPool(1);
577	<
578	<	try {
579	<	Callable c = new Callable() {
580	<	public Object call() {
581	<	int i = 5/0;
582	<	return Boolean.TRUE;
583	<	}
584	<	};
747	<
748	<	for (int i = 0; i < 5; i++) {
749	<	p.submit(c).get();
577	>	try (PoolCleaner cleaner = cleaner(p)) {
578	>	try {
579	>	p.submit(new Callable() {
580	>	public Object call() { throw new ArithmeticException(); }})
581	>	.get();
582	>	shouldThrow();
583	>	} catch (ExecutionException success) {
584	>	assertTrue(success.getCause() instanceof ArithmeticException);
585		}
586	+	}
587	+	}
588
589	<	shouldThrow();
590	<	} catch (ExecutionException success) {
591	<	} catch (CancellationException success) {
592	<	} catch (Exception e) {
593	<	unexpectedException();
589	>	/**
590	>	* invokeAny(null) throws NullPointerException
591	>	*/
592	>	public void testInvokeAny1() throws Throwable {
593	>	ExecutorService e = new ForkJoinPool(1);
594	>	try (PoolCleaner cleaner = cleaner(e)) {
595	>	try {
596	>	e.invokeAny(null);
597	>	shouldThrow();
598	>	} catch (NullPointerException success) {}
599		}
758	–	joinPool(p);
600		}
601
602		/**
603	<	* invokeAny(null) throws NPE
603	>	* invokeAny(empty collection) throws IllegalArgumentException
604		*/
605	<	public void testInvokeAny1() {
605	>	public void testInvokeAny2() throws Throwable {
606		ExecutorService e = new ForkJoinPool(1);
607	<	try {
608	<	e.invokeAny(null);
609	<	} catch (NullPointerException success) {
610	<	} catch (Exception ex) {
611	<	unexpectedException();
771	<	} finally {
772	<	joinPool(e);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(new ArrayList<Callable<String>>());
610	>	shouldThrow();
611	>	} catch (IllegalArgumentException success) {}
612		}
613		}
614
615		/**
616	<	* invokeAny(empty collection) throws IAE
616	>	* invokeAny(c) throws NullPointerException if c has a single null element
617		*/
618	<	public void testInvokeAny2() {
618	>	public void testInvokeAny3() throws Throwable {
619		ExecutorService e = new ForkJoinPool(1);
620	<	try {
621	<	e.invokeAny(new ArrayList<Callable<String>>());
622	<	} catch (IllegalArgumentException success) {
623	<	} catch (Exception ex) {
624	<	unexpectedException();
625	<	} finally {
626	<	joinPool(e);
620	>	try (PoolCleaner cleaner = cleaner(e)) {
621	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
622	>	l.add(null);
623	>	try {
624	>	e.invokeAny(l);
625	>	shouldThrow();
626	>	} catch (NullPointerException success) {}
627		}
628		}
629
630		/**
631	<	* invokeAny(c) throws NPE if c has null elements
631	>	* invokeAny(c) throws NullPointerException if c has null elements
632		*/
633	<	public void testInvokeAny3() {
633	>	public void testInvokeAny4() throws Throwable {
634	>	CountDownLatch latch = new CountDownLatch(1);
635		ExecutorService e = new ForkJoinPool(1);
636	<	try {
637	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
638	<	l.add(new StringTask());
636	>	try (PoolCleaner cleaner = cleaner(e)) {
637	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
638	>	l.add(latchAwaitingStringTask(latch));
639		l.add(null);
640	<	e.invokeAny(l);
641	<	} catch (NullPointerException success) {
642	<	} catch (Exception ex) {
643	<	ex.printStackTrace();
644	<	unexpectedException();
805	<	} finally {
806	<	joinPool(e);
640	>	try {
641	>	e.invokeAny(l);
642	>	shouldThrow();
643	>	} catch (NullPointerException success) {}
644	>	latch.countDown();
645		}
646		}
647
648		/**
649		* invokeAny(c) throws ExecutionException if no task in c completes
650		*/
651	<	public void testInvokeAny4() {
651	>	public void testInvokeAny5() throws Throwable {
652		ExecutorService e = new ForkJoinPool(1);
653	<	try {
654	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
653	>	try (PoolCleaner cleaner = cleaner(e)) {
654	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
655		l.add(new NPETask());
656	<	e.invokeAny(l);
657	<	} catch (ExecutionException success) {
658	<	} catch (CancellationException success) {
659	<	} catch (Exception ex) {
660	<	unexpectedException();
661	<	} finally {
824	<	joinPool(e);
656	>	try {
657	>	e.invokeAny(l);
658	>	shouldThrow();
659	>	} catch (ExecutionException success) {
660	>	assertTrue(success.getCause() instanceof NullPointerException);
661	>	}
662		}
663		}
664
665		/**
666		* invokeAny(c) returns result of some task in c if at least one completes
667		*/
668	<	public void testInvokeAny5() {
668	>	public void testInvokeAny6() throws Throwable {
669		ExecutorService e = new ForkJoinPool(1);
670	<	try {
671	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
670	>	try (PoolCleaner cleaner = cleaner(e)) {
671	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
672		l.add(new StringTask());
673		l.add(new StringTask());
674		String result = e.invokeAny(l);
675		assertSame(TEST_STRING, result);
839	–	} catch (ExecutionException success) {
840	–	} catch (CancellationException success) {
841	–	} catch (Exception ex) {
842	–	unexpectedException();
843	–	} finally {
844	–	joinPool(e);
676		}
677		}
678
679		/**
680	<	* invokeAll(null) throws NPE
680	>	* invokeAll(null) throws NullPointerException
681		*/
682	<	public void testInvokeAll1() {
682	>	public void testInvokeAll1() throws Throwable {
683		ExecutorService e = new ForkJoinPool(1);
684	<	try {
685	<	e.invokeAll(null);
686	<	} catch (NullPointerException success) {
687	<	} catch (Exception ex) {
688	<	unexpectedException();
858	<	} finally {
859	<	joinPool(e);
684	>	try (PoolCleaner cleaner = cleaner(e)) {
685	>	try {
686	>	e.invokeAll(null);
687	>	shouldThrow();
688	>	} catch (NullPointerException success) {}
689		}
690		}
691
692		/**
693		* invokeAll(empty collection) returns empty collection
694		*/
695	<	public void testInvokeAll2() {
695	>	public void testInvokeAll2() throws InterruptedException {
696		ExecutorService e = new ForkJoinPool(1);
697	<	try {
698	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698	>	List<Future<String>> r
699	>	= e.invokeAll(new ArrayList<Callable<String>>());
700		assertTrue(r.isEmpty());
871	–	} catch (Exception ex) {
872	–	unexpectedException();
873	–	} finally {
874	–	joinPool(e);
701		}
702		}
703
704		/**
705	<	* invokeAll(c) throws NPE if c has null elements
705	>	* invokeAll(c) throws NullPointerException if c has null elements
706		*/
707	<	public void testInvokeAll3() {
707	>	public void testInvokeAll3() throws InterruptedException {
708		ExecutorService e = new ForkJoinPool(1);
709	<	try {
710	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
709	>	try (PoolCleaner cleaner = cleaner(e)) {
710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
711		l.add(new StringTask());
712		l.add(null);
713	<	e.invokeAll(l);
714	<	} catch (NullPointerException success) {
715	<	} catch (Exception ex) {
716	<	unexpectedException();
891	<	} finally {
892	<	joinPool(e);
713	>	try {
714	>	e.invokeAll(l);
715	>	shouldThrow();
716	>	} catch (NullPointerException success) {}
717		}
718		}
719
720		/**
721	<	* get of returned element of invokeAll(c) throws exception on failed task
721	>	* get of returned element of invokeAll(c) throws
722	>	* ExecutionException on failed task
723		*/
724	<	public void testInvokeAll4() {
724	>	public void testInvokeAll4() throws Throwable {
725		ExecutorService e = new ForkJoinPool(1);
726	<	try {
727	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
726	>	try (PoolCleaner cleaner = cleaner(e)) {
727	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
728		l.add(new NPETask());
729	<	List<Future<String>> result = e.invokeAll(l);
730	<	assertEquals(1, result.size());
731	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
732	<	it.next().get();
733	<	} catch (ExecutionException success) {
734	<	} catch (CancellationException success) {
735	<	} catch (Exception ex) {
736	<	ex.printStackTrace();
912	<	unexpectedException();
913	<	} finally {
914	<	joinPool(e);
729	>	List<Future<String>> futures = e.invokeAll(l);
730	>	assertEquals(1, futures.size());
731	>	try {
732	>	futures.get(0).get();
733	>	shouldThrow();
734	>	} catch (ExecutionException success) {
735	>	assertTrue(success.getCause() instanceof NullPointerException);
736	>	}
737		}
738		}
739
740		/**
741		* invokeAll(c) returns results of all completed tasks in c
742		*/
743	<	public void testInvokeAll5() {
743	>	public void testInvokeAll5() throws Throwable {
744		ExecutorService e = new ForkJoinPool(1);
745	<	try {
746	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
745	>	try (PoolCleaner cleaner = cleaner(e)) {
746	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
747		l.add(new StringTask());
748		l.add(new StringTask());
749	<	List<Future<String>> result = e.invokeAll(l);
750	<	assertEquals(2, result.size());
751	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
752	<	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);
749	>	List<Future<String>> futures = e.invokeAll(l);
750	>	assertEquals(2, futures.size());
751	>	for (Future<String> future : futures)
752	>	assertSame(TEST_STRING, future.get());
753		}
754		}
755
941	–
756		/**
757	<	* timed invokeAny(null) throws NPE
757	>	* timed invokeAny(null) throws NullPointerException
758		*/
759	<	public void testTimedInvokeAny1() {
759	>	public void testTimedInvokeAny1() throws Throwable {
760		ExecutorService e = new ForkJoinPool(1);
761	<	try {
762	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
763	<	} catch (NullPointerException success) {
764	<	} catch (Exception ex) {
765	<	ex.printStackTrace();
952	<	unexpectedException();
953	<	} finally {
954	<	joinPool(e);
761	>	try (PoolCleaner cleaner = cleaner(e)) {
762	>	try {
763	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
764	>	shouldThrow();
765	>	} catch (NullPointerException success) {}
766		}
767		}
768
769		/**
770	<	* timed invokeAny(null time unit) throws NPE
770	>	* timed invokeAny(null time unit) throws NullPointerException
771		*/
772	<	public void testTimedInvokeAnyNullTimeUnit() {
772	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
773		ExecutorService e = new ForkJoinPool(1);
774	<	try {
775	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
774	>	try (PoolCleaner cleaner = cleaner(e)) {
775	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
776		l.add(new StringTask());
777	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
778	<	} catch (NullPointerException success) {
779	<	} catch (Exception ex) {
780	<	ex.printStackTrace();
970	<	unexpectedException();
971	<	} finally {
972	<	joinPool(e);
777	>	try {
778	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
779	>	shouldThrow();
780	>	} catch (NullPointerException success) {}
781		}
782		}
783
784		/**
785	<	* timed invokeAny(empty collection) throws IAE
785	>	* timed invokeAny(empty collection) throws IllegalArgumentException
786		*/
787	<	public void testTimedInvokeAny2() {
787	>	public void testTimedInvokeAny2() throws Throwable {
788		ExecutorService e = new ForkJoinPool(1);
789	<	try {
790	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
791	<	} catch (IllegalArgumentException success) {
792	<	} catch (Exception ex) {
793	<	ex.printStackTrace();
794	<	unexpectedException();
987	<	} finally {
988	<	joinPool(e);
789	>	try (PoolCleaner cleaner = cleaner(e)) {
790	>	try {
791	>	e.invokeAny(new ArrayList<Callable<String>>(),
792	>	MEDIUM_DELAY_MS, MILLISECONDS);
793	>	shouldThrow();
794	>	} catch (IllegalArgumentException success) {}
795		}
796		}
797
798		/**
799	<	* timed invokeAny(c) throws NPE if c has null elements
799	>	* timed invokeAny(c) throws NullPointerException if c has null elements
800		*/
801	<	public void testTimedInvokeAny3() {
801	>	public void testTimedInvokeAny3() throws Throwable {
802	>	CountDownLatch latch = new CountDownLatch(1);
803		ExecutorService e = new ForkJoinPool(1);
804	<	try {
805	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
806	<	l.add(new StringTask());
804	>	try (PoolCleaner cleaner = cleaner(e)) {
805	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
806	>	l.add(latchAwaitingStringTask(latch));
807		l.add(null);
808	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
809	<	} catch (NullPointerException success) {
810	<	} catch (Exception ex) {
811	<	ex.printStackTrace();
812	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
808	>	try {
809	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
810	>	shouldThrow();
811	>	} catch (NullPointerException success) {}
812	>	latch.countDown();
813		}
814		}
815
816		/**
817		* timed invokeAny(c) throws ExecutionException if no task completes
818		*/
819	<	public void testTimedInvokeAny4() {
819	>	public void testTimedInvokeAny4() throws Throwable {
820		ExecutorService e = new ForkJoinPool(1);
821	<	try {
822	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
821	>	try (PoolCleaner cleaner = cleaner(e)) {
822	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
823		l.add(new NPETask());
824	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
825	<	} catch (ExecutionException success) {
826	<	} catch (CancellationException success) {
827	<	} catch (Exception ex) {
828	<	ex.printStackTrace();
829	<	unexpectedException();
1025	<	} finally {
1026	<	joinPool(e);
824	>	try {
825	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
826	>	shouldThrow();
827	>	} catch (ExecutionException success) {
828	>	assertTrue(success.getCause() instanceof NullPointerException);
829	>	}
830		}
831		}
832
833		/**
834		* timed invokeAny(c) returns result of some task in c
835		*/
836	<	public void testTimedInvokeAny5() {
836	>	public void testTimedInvokeAny5() throws Throwable {
837		ExecutorService e = new ForkJoinPool(1);
838	<	try {
839	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
838	>	try (PoolCleaner cleaner = cleaner(e)) {
839	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
840		l.add(new StringTask());
841		l.add(new StringTask());
842	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
842	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
843		assertSame(TEST_STRING, result);
1041	–	} catch (ExecutionException success) {
1042	–	} catch (CancellationException success) {
1043	–	} catch (Exception ex) {
1044	–	ex.printStackTrace();
1045	–	unexpectedException();
1046	–	} finally {
1047	–	joinPool(e);
844		}
845		}
846
847		/**
848	<	* timed invokeAll(null) throws NPE
848	>	* timed invokeAll(null) throws NullPointerException
849		*/
850	<	public void testTimedInvokeAll1() {
850	>	public void testTimedInvokeAll1() throws Throwable {
851		ExecutorService e = new ForkJoinPool(1);
852	<	try {
853	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
854	<	} catch (NullPointerException success) {
855	<	} catch (Exception ex) {
856	<	ex.printStackTrace();
1061	<	unexpectedException();
1062	<	} finally {
1063	<	joinPool(e);
852	>	try (PoolCleaner cleaner = cleaner(e)) {
853	>	try {
854	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
855	>	shouldThrow();
856	>	} catch (NullPointerException success) {}
857		}
858		}
859
860		/**
861	<	* timed invokeAll(null time unit) throws NPE
861	>	* timed invokeAll(null time unit) throws NullPointerException
862		*/
863	<	public void testTimedInvokeAllNullTimeUnit() {
863	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
864		ExecutorService e = new ForkJoinPool(1);
865	<	try {
866	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
865	>	try (PoolCleaner cleaner = cleaner(e)) {
866	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
867		l.add(new StringTask());
868	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
869	<	} catch (NullPointerException success) {
870	<	} catch (Exception ex) {
871	<	ex.printStackTrace();
1079	<	unexpectedException();
1080	<	} finally {
1081	<	joinPool(e);
868	>	try {
869	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
870	>	shouldThrow();
871	>	} catch (NullPointerException success) {}
872		}
873		}
874
875		/**
876		* timed invokeAll(empty collection) returns empty collection
877		*/
878	<	public void testTimedInvokeAll2() {
878	>	public void testTimedInvokeAll2() throws InterruptedException {
879		ExecutorService e = new ForkJoinPool(1);
880	<	try {
881	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
880	>	try (PoolCleaner cleaner = cleaner(e)) {
881	>	List<Future<String>> r
882	>	= e.invokeAll(new ArrayList<Callable<String>>(),
883	>	MEDIUM_DELAY_MS, MILLISECONDS);
884		assertTrue(r.isEmpty());
1093	–	} catch (Exception ex) {
1094	–	ex.printStackTrace();
1095	–	unexpectedException();
1096	–	} finally {
1097	–	joinPool(e);
885		}
886		}
887
888		/**
889	<	* timed invokeAll(c) throws NPE if c has null elements
889	>	* timed invokeAll(c) throws NullPointerException if c has null elements
890		*/
891	<	public void testTimedInvokeAll3() {
891	>	public void testTimedInvokeAll3() throws InterruptedException {
892		ExecutorService e = new ForkJoinPool(1);
893	<	try {
894	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
893	>	try (PoolCleaner cleaner = cleaner(e)) {
894	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
895		l.add(new StringTask());
896		l.add(null);
897	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
898	<	} catch (NullPointerException success) {
899	<	} catch (Exception ex) {
900	<	ex.printStackTrace();
1114	<	unexpectedException();
1115	<	} finally {
1116	<	joinPool(e);
897	>	try {
898	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
899	>	shouldThrow();
900	>	} catch (NullPointerException success) {}
901		}
902		}
903
904		/**
905		* get of returned element of invokeAll(c) throws exception on failed task
906		*/
907	<	public void testTimedInvokeAll4() {
907	>	public void testTimedInvokeAll4() throws Throwable {
908		ExecutorService e = new ForkJoinPool(1);
909	<	try {
910	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
909	>	try (PoolCleaner cleaner = cleaner(e)) {
910	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
911		l.add(new NPETask());
912	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
913	<	assertEquals(1, result.size());
914	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
915	<	it.next().get();
916	<	} catch (ExecutionException success) {
917	<	} catch (CancellationException success) {
918	<	} catch (Exception ex) {
919	<	ex.printStackTrace();
920	<	unexpectedException();
1137	<	} finally {
1138	<	joinPool(e);
912	>	List<Future<String>> futures
913	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
914	>	assertEquals(1, futures.size());
915	>	try {
916	>	futures.get(0).get();
917	>	shouldThrow();
918	>	} catch (ExecutionException success) {
919	>	assertTrue(success.getCause() instanceof NullPointerException);
920	>	}
921		}
922		}
923
924		/**
925		* timed invokeAll(c) returns results of all completed tasks in c
926		*/
927	<	public void testTimedInvokeAll5() {
928	<	ExecutorService e = new ForkJoinPool(1);
929	<	try {
930	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
927	>	public void testTimedInvokeAll5() throws Throwable {
928	>	ForkJoinPool e = new ForkJoinPool(1);
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
931		l.add(new StringTask());
932		l.add(new StringTask());
933	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
934	<	assertEquals(2, result.size());
935	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
936	<	assertSame(TEST_STRING, it.next().get());
937	<	} catch (ExecutionException success) {
1156	<	} catch (CancellationException success) {
1157	<	} catch (Exception ex) {
1158	<	ex.printStackTrace();
1159	<	unexpectedException();
1160	<	} finally {
1161	<	joinPool(e);
933	>	List<Future<String>> futures
934	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
935	>	assertEquals(2, futures.size());
936	>	for (Future<String> future : futures)
937	>	assertSame(TEST_STRING, future.get());
938		}
939		}
940

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