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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.19 by dl, Sun Feb 28 13:35:22 2010 UTC vs.
Revision 1.75 by jsr166, Mon May 29 22:44:27 2017 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	–
8	–	import junit.framework.*;
9	–	import java.util.*;
10	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.util.concurrent.locks.*;
9	<	import java.security.*;
8	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9	>
10	>	import java.security.PrivilegedAction;
11	>	import java.security.PrivilegedExceptionAction;
12	>	import java.util.ArrayList;
13	>	import java.util.Collection;
14	>	import java.util.Collections;
15	>	import java.util.List;
16	>	import java.util.concurrent.Callable;
17	>	import java.util.concurrent.CountDownLatch;
18	>	import java.util.concurrent.ExecutionException;
19	>	import java.util.concurrent.Executors;
20	>	import java.util.concurrent.ExecutorService;
21	>	import java.util.concurrent.ForkJoinPool;
22	>	import java.util.concurrent.ForkJoinTask;
23	>	import java.util.concurrent.ForkJoinWorkerThread;
24	>	import java.util.concurrent.Future;
25	>	import java.util.concurrent.RecursiveTask;
26	>	import java.util.concurrent.RejectedExecutionException;
27	>	import java.util.concurrent.atomic.AtomicBoolean;
28	>	import java.util.concurrent.atomic.AtomicInteger;
29	>	import java.util.concurrent.locks.ReentrantLock;
30	>
31	>	import junit.framework.AssertionFailedError;
32	>	import junit.framework.Test;
33	>	import junit.framework.TestSuite;
34
35		public class ForkJoinPoolTest extends JSR166TestCase {
36		public static void main(String[] args) {
37	<	junit.textui.TestRunner.run (suite());
37	>	main(suite(), args);
38		}
39	+
40		public static Test suite() {
41		return new TestSuite(ForkJoinPoolTest.class);
42		}
43
44	<	/**
44	>	/*
45		* Testing coverage notes:
46		*
47		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 38 | Line 59 | public class ForkJoinPoolTest extends JS
59
60		// Some classes to test extension and factory methods
61
62	<	static class MyHandler implements Thread.UncaughtExceptionHandler {
42	<	int catches = 0;
43	<	public void uncaughtException(Thread t, Throwable e) {
44	<	++catches;
45	<	}
46	<	}
62	>	static class MyError extends Error {}
63
64		// to test handlers
65		static class FailingFJWSubclass extends ForkJoinWorkerThread {
66		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
67	<	protected void onStart() { throw new Error(); }
67	>	protected void onStart() { super.onStart(); throw new MyError(); }
68		}
69
70		static class FailingThreadFactory
71		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
72	<	int calls = 0;
72	>	final AtomicInteger calls = new AtomicInteger(0);
73		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
74	<	if (++calls > 1) return null;
74	>	if (calls.incrementAndGet() > 1) return null;
75		return new FailingFJWSubclass(p);
76		}
77		}
#	Line 88 | Line 104 | public class ForkJoinPoolTest extends JS
104		static final class FibTask extends RecursiveTask<Integer> {
105		final int number;
106		FibTask(int n) { number = n; }
107	<	public Integer compute() {
107	>	protected Integer compute() {
108		int n = number;
109		if (n <= 1)
110		return n;
#	Line 116 | Line 132 | public class ForkJoinPoolTest extends JS
132		this.locker = locker;
133		this.lock = lock;
134		}
135	<	public Integer compute() {
135	>	protected Integer compute() {
136		int n;
137		LockingFibTask f1 = null;
138		LockingFibTask f2 = null;
#	Line 142 | Line 158 | public class ForkJoinPoolTest extends JS
158		* tasks, and quiescent running state.
159		*/
160		public void testDefaultInitialState() {
161	<	ForkJoinPool p = null;
162	<	try {
163	<	p = new ForkJoinPool(1);
164	<	assertTrue(p.getFactory() ==
149	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
150	<	assertTrue(p.isQuiescent());
151	<	assertTrue(p.getMaintainsParallelism());
161	>	ForkJoinPool p = new ForkJoinPool(1);
162	>	try (PoolCleaner cleaner = cleaner(p)) {
163	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
164	>	p.getFactory());
165		assertFalse(p.getAsyncMode());
166	<	assertTrue(p.getActiveThreadCount() == 0);
167	<	assertTrue(p.getStealCount() == 0);
168	<	assertTrue(p.getQueuedTaskCount() == 0);
169	<	assertTrue(p.getQueuedSubmissionCount() == 0);
166	>	assertEquals(0, p.getActiveThreadCount());
167	>	assertEquals(0, p.getStealCount());
168	>	assertEquals(0, p.getQueuedTaskCount());
169	>	assertEquals(0, p.getQueuedSubmissionCount());
170		assertFalse(p.hasQueuedSubmissions());
171		assertFalse(p.isShutdown());
172		assertFalse(p.isTerminating());
173		assertFalse(p.isTerminated());
161	–	} finally {
162	–	joinPool(p);
174		}
175		}
176
#	Line 178 | Line 189 | public class ForkJoinPoolTest extends JS
189		*/
190		public void testConstructor2() {
191		try {
192	<	new ForkJoinPool(1, null);
192	>	new ForkJoinPool(1, null, null, false);
193		shouldThrow();
194		} catch (NullPointerException success) {}
195		}
196
186	–
197		/**
198		* getParallelism returns size set in constructor
199		*/
200		public void testGetParallelism() {
201	<	ForkJoinPool p = null;
202	<	try {
203	<	p = new ForkJoinPool(1);
194	<	assertTrue(p.getParallelism() == 1);
195	<	} finally {
196	<	joinPool(p);
197	<	}
198	<	}
199	<
200	<	/**
201	<	* setParallelism changes reported parallelism level.
202	<	*/
203	<	public void testSetParallelism() {
204	<	ForkJoinPool p = null;
205	<	try {
206	<	p = new ForkJoinPool(1);
207	<	assertTrue(p.getParallelism() == 1);
208	<	p.setParallelism(2);
209	<	assertTrue(p.getParallelism() == 2);
210	<	} finally {
211	<	joinPool(p);
212	<	}
213	<	}
214	<
215	<	/**
216	<	* setParallelism with argument <= 0 throws exception
217	<	*/
218	<	public void testSetParallelism2() {
219	<	ForkJoinPool p = null;
220	<	try {
221	<	p = new ForkJoinPool(1);
222	<	assertTrue(p.getParallelism() == 1);
223	<	p.setParallelism(-2);
224	<	shouldThrow();
225	<	} catch (IllegalArgumentException success) {
226	<	} finally {
227	<	joinPool(p);
201	>	ForkJoinPool p = new ForkJoinPool(1);
202	>	try (PoolCleaner cleaner = cleaner(p)) {
203	>	assertEquals(1, p.getParallelism());
204		}
205		}
206
#	Line 232 | Line 208 | public class ForkJoinPoolTest extends JS
208		* getPoolSize returns number of started workers.
209		*/
210		public void testGetPoolSize() {
211	<	ForkJoinPool p = null;
212	<	try {
213	<	p = new ForkJoinPool(1);
214	<	assertTrue(p.getActiveThreadCount() == 0);
215	<	Future<String> future = p.submit(new StringTask());
216	<	assertTrue(p.getPoolSize() == 1);
217	<
218	<	} finally {
219	<	joinPool(p);
220	<	}
221	<	}
222	<
223	<	/**
224	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
225	<	*/
226	<	public void testSetMaximumPoolSize() {
227	<	ForkJoinPool p = null;
252	<	try {
253	<	p = new ForkJoinPool(1);
254	<	p.setMaximumPoolSize(2);
255	<	assertTrue(p.getMaximumPoolSize() == 2);
256	<	} finally {
257	<	joinPool(p);
258	<	}
259	<	}
260	<
261	<	/**
262	<	* setMaximumPoolSize with argument <= 0 throws exception
263	<	*/
264	<	public void testSetMaximumPoolSize2() {
265	<	ForkJoinPool p = null;
266	<	try {
267	<	p = new ForkJoinPool(1);
268	<	p.setMaximumPoolSize(-2);
269	<	shouldThrow();
270	<	} catch (IllegalArgumentException success) {
271	<	} finally {
272	<	joinPool(p);
273	<	}
274	<	}
275	<
276	<	/**
277	<	* setMaintainsParallelism changes policy reported by
278	<	* getMaintainsParallelism.
279	<	*/
280	<	public void testSetMaintainsParallelism() {
281	<	ForkJoinPool p = null;
282	<	try {
283	<	p = new ForkJoinPool(1);
284	<	p.setMaintainsParallelism(false);
285	<	assertFalse(p.getMaintainsParallelism());
286	<	} finally {
287	<	joinPool(p);
211	>	final CountDownLatch taskStarted = new CountDownLatch(1);
212	>	final CountDownLatch done = new CountDownLatch(1);
213	>	final ForkJoinPool p = new ForkJoinPool(1);
214	>	try (PoolCleaner cleaner = cleaner(p)) {
215	>	assertEquals(0, p.getActiveThreadCount());
216	>	final Runnable task = new CheckedRunnable() {
217	>	public void realRun() throws InterruptedException {
218	>	taskStarted.countDown();
219	>	assertEquals(1, p.getPoolSize());
220	>	assertEquals(1, p.getActiveThreadCount());
221	>	await(done);
222	>	}};
223	>	Future<?> future = p.submit(task);
224	>	await(taskStarted);
225	>	assertEquals(1, p.getPoolSize());
226	>	assertEquals(1, p.getActiveThreadCount());
227	>	done.countDown();
228		}
229	+	assertEquals(0, p.getPoolSize());
230	+	assertEquals(0, p.getActiveThreadCount());
231		}
232
233		/**
234	<	* setAsyncMode changes policy reported by
293	<	* getAsyncMode.
234	>	* awaitTermination on a non-shutdown pool times out
235		*/
236	<	public void testSetAsyncMode() {
237	<	ForkJoinPool p = null;
238	<	try {
239	<	p = new ForkJoinPool(1);
240	<	p.setAsyncMode(true);
241	<	assertTrue(p.getAsyncMode());
242	<	} finally {
243	<	joinPool(p);
236	>	public void testAwaitTermination_timesOut() throws InterruptedException {
237	>	ForkJoinPool p = new ForkJoinPool(1);
238	>	try (PoolCleaner cleaner = cleaner(p)) {
239	>	assertFalse(p.isTerminated());
240	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
241	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
242	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
243	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
244	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
245	>	randomTimeUnit()));
246	>	long timeoutNanos = 999999L;
247	>	long startTime = System.nanoTime();
248	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
249	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
250	>	assertFalse(p.isTerminated());
251	>	startTime = System.nanoTime();
252	>	long timeoutMillis = timeoutMillis();
253	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
254	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
255	>	assertFalse(p.isTerminated());
256	>	p.shutdown();
257	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
258	>	assertTrue(p.isTerminated());
259		}
260		}
261
#	Line 310 | Line 266 | public class ForkJoinPoolTest extends JS
266		* performs its defined action
267		*/
268		public void testSetUncaughtExceptionHandler() throws InterruptedException {
269	<	ForkJoinPool p = null;
270	<	try {
271	<	p = new ForkJoinPool(1, new FailingThreadFactory());
272	<	MyHandler eh = new MyHandler();
273	<	p.setUncaughtExceptionHandler(eh);
274	<	assertEquals(eh, p.getUncaughtExceptionHandler());
275	<	p.execute(new FailingTask());
276	<	Thread.sleep(MEDIUM_DELAY_MS);
277	<	assertTrue(eh.catches > 0);
278	<	} finally {
279	<	p.shutdownNow();
280	<	joinPool(p);
269	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
270	>	final Thread.UncaughtExceptionHandler ueh =
271	>	new Thread.UncaughtExceptionHandler() {
272	>	public void uncaughtException(Thread t, Throwable e) {
273	>	threadAssertTrue(e instanceof MyError);
274	>	threadAssertTrue(t instanceof FailingFJWSubclass);
275	>	uehInvoked.countDown();
276	>	}};
277	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
278	>	ueh, false);
279	>	try (PoolCleaner cleaner = cleaner(p)) {
280	>	assertSame(ueh, p.getUncaughtExceptionHandler());
281	>	try {
282	>	p.execute(new FibTask(8));
283	>	await(uehInvoked);
284	>	} finally {
285	>	p.shutdownNow(); // failure might have prevented processing task
286	>	}
287		}
288		}
289
290		/**
291	<	* setUncaughtExceptionHandler of null removes handler
292	<	*/
293	<	public void testSetUncaughtExceptionHandler2() {
294	<	ForkJoinPool p = null;
295	<	try {
296	<	p = new ForkJoinPool(1);
297	<	p.setUncaughtExceptionHandler(null);
298	<	assertNull(p.getUncaughtExceptionHandler());
299	<	} finally {
300	<	joinPool(p);
301	<	}
302	<	}
303	<
291	>	* After invoking a single task, isQuiescent eventually becomes
292	>	* true, at which time queues are empty, threads are not active,
293	>	* the task has completed successfully, and construction
294	>	* parameters continue to hold
295	>	*/
296	>	public void testIsQuiescent() throws Exception {
297	>	ForkJoinPool p = new ForkJoinPool(2);
298	>	try (PoolCleaner cleaner = cleaner(p)) {
299	>	assertTrue(p.isQuiescent());
300	>	long startTime = System.nanoTime();
301	>	FibTask f = new FibTask(20);
302	>	p.invoke(f);
303	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
304	>	p.getFactory());
305	>	while (! p.isQuiescent()) {
306	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
307	>	throw new AssertionFailedError("timed out");
308	>	assertFalse(p.getAsyncMode());
309	>	assertFalse(p.isShutdown());
310	>	assertFalse(p.isTerminating());
311	>	assertFalse(p.isTerminated());
312	>	Thread.yield();
313	>	}
314
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() throws InterruptedException {
349	–	ForkJoinPool p = null;
350	–	try {
351	–	p = new ForkJoinPool(2);
352	–	p.invoke(new FibTask(20));
353	–	assertTrue(p.getFactory() ==
354	–	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
355	–	Thread.sleep(MEDIUM_DELAY_MS);
315		assertTrue(p.isQuiescent());
357	–	assertTrue(p.getMaintainsParallelism());
316		assertFalse(p.getAsyncMode());
317	<	assertTrue(p.getActiveThreadCount() == 0);
318	<	assertTrue(p.getQueuedTaskCount() == 0);
361	<	assertTrue(p.getQueuedSubmissionCount() == 0);
317	>	assertEquals(0, p.getQueuedTaskCount());
318	>	assertEquals(0, p.getQueuedSubmissionCount());
319		assertFalse(p.hasQueuedSubmissions());
320	+	while (p.getActiveThreadCount() != 0
321	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
322	+	Thread.yield();
323		assertFalse(p.isShutdown());
324		assertFalse(p.isTerminating());
325		assertFalse(p.isTerminated());
326	<	} finally {
327	<	joinPool(p);
326	>	assertTrue(f.isDone());
327	>	assertEquals(6765, (int) f.get());
328	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
329		}
330		}
331
#	Line 372 | Line 333 | public class ForkJoinPoolTest extends JS
333		* Completed submit(ForkJoinTask) returns result
334		*/
335		public void testSubmitForkJoinTask() throws Throwable {
336	<	ForkJoinPool p = null;
337	<	try {
377	<	p = new ForkJoinPool(1);
336	>	ForkJoinPool p = new ForkJoinPool(1);
337	>	try (PoolCleaner cleaner = cleaner(p)) {
338		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
339	<	int r = f.get();
380	<	assertTrue(r == 21);
381	<	} finally {
382	<	joinPool(p);
339	>	assertEquals(21, (int) f.get());
340		}
341		}
342
#	Line 387 | Line 344 | public class ForkJoinPoolTest extends JS
344		* A task submitted after shutdown is rejected
345		*/
346		public void testSubmitAfterShutdown() {
347	<	ForkJoinPool p = null;
348	<	try {
392	<	p = new ForkJoinPool(1);
347	>	ForkJoinPool p = new ForkJoinPool(1);
348	>	try (PoolCleaner cleaner = cleaner(p)) {
349		p.shutdown();
350		assertTrue(p.isShutdown());
351	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
352	<	shouldThrow();
353	<	} catch (RejectedExecutionException success) {
354	<	} finally {
399	<	joinPool(p);
351	>	try {
352	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
353	>	shouldThrow();
354	>	} catch (RejectedExecutionException success) {}
355		}
356		}
357
#	Line 404 | Line 359 | public class ForkJoinPoolTest extends JS
359		* Pool maintains parallelism when using ManagedBlocker
360		*/
361		public void testBlockingForkJoinTask() throws Throwable {
362	<	ForkJoinPool p = null;
362	>	ForkJoinPool p = new ForkJoinPool(4);
363		try {
409	–	p = new ForkJoinPool(4);
364		ReentrantLock lock = new ReentrantLock();
365		ManagedLocker locker = new ManagedLocker(lock);
366	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
366	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
367		p.execute(f);
368	<	assertTrue(p.getPoolSize() >= 4);
415	<	int r = f.get();
416	<	assertTrue(r == 832040);
368	>	assertEquals(6765, (int) f.get());
369		} finally {
370		p.shutdownNow(); // don't wait out shutdown
371		}
#	Line 423 | Line 375 | public class ForkJoinPoolTest extends JS
375		* pollSubmission returns unexecuted submitted task, if present
376		*/
377		public void testPollSubmission() {
378	<	SubFJP p = null;
379	<	try {
380	<	p = new SubFJP();
381	<	ForkJoinTask a = p.submit(new MediumRunnable());
382	<	ForkJoinTask b = p.submit(new MediumRunnable());
383	<	ForkJoinTask c = p.submit(new MediumRunnable());
378	>	final CountDownLatch done = new CountDownLatch(1);
379	>	SubFJP p = new SubFJP();
380	>	try (PoolCleaner cleaner = cleaner(p)) {
381	>	ForkJoinTask a = p.submit(awaiter(done));
382	>	ForkJoinTask b = p.submit(awaiter(done));
383	>	ForkJoinTask c = p.submit(awaiter(done));
384		ForkJoinTask r = p.pollSubmission();
385		assertTrue(r == a || r == b || r == c);
386		assertFalse(r.isDone());
387	<	} finally {
436	<	joinPool(p);
387	>	done.countDown();
388		}
389		}
390
#	Line 441 | Line 392 | public class ForkJoinPoolTest extends JS
392		* drainTasksTo transfers unexecuted submitted tasks, if present
393		*/
394		public void testDrainTasksTo() {
395	<	SubFJP p = null;
396	<	try {
397	<	p = new SubFJP();
398	<	ForkJoinTask a = p.submit(new MediumRunnable());
399	<	ForkJoinTask b = p.submit(new MediumRunnable());
400	<	ForkJoinTask c = p.submit(new MediumRunnable());
395	>	final CountDownLatch done = new CountDownLatch(1);
396	>	SubFJP p = new SubFJP();
397	>	try (PoolCleaner cleaner = cleaner(p)) {
398	>	ForkJoinTask a = p.submit(awaiter(done));
399	>	ForkJoinTask b = p.submit(awaiter(done));
400	>	ForkJoinTask c = p.submit(awaiter(done));
401		ArrayList<ForkJoinTask> al = new ArrayList();
402		p.drainTasksTo(al);
403		assertTrue(al.size() > 0);
#	Line 454 | Line 405 | public class ForkJoinPoolTest extends JS
405		assertTrue(r == a || r == b || r == c);
406		assertFalse(r.isDone());
407		}
408	<	} finally {
458	<	joinPool(p);
408	>	done.countDown();
409		}
410		}
411
462	–
412		// FJ Versions of AbstractExecutorService tests
413
414		/**
#	Line 467 | Line 416 | public class ForkJoinPoolTest extends JS
416		*/
417		public void testExecuteRunnable() throws Throwable {
418		ExecutorService e = new ForkJoinPool(1);
419	<	TrackedShortRunnable task = new TrackedShortRunnable();
420	<	assertFalse(task.done);
421	<	Future<?> future = e.submit(task);
422	<	future.get();
423	<	assertTrue(task.done);
419	>	try (PoolCleaner cleaner = cleaner(e)) {
420	>	final AtomicBoolean done = new AtomicBoolean(false);
421	>	Future<?> future = e.submit(new CheckedRunnable() {
422	>	public void realRun() {
423	>	done.set(true);
424	>	}});
425	>	assertNull(future.get());
426	>	assertNull(future.get(randomExpiredTimeout(), randomTimeUnit()));
427	>	assertTrue(done.get());
428	>	assertTrue(future.isDone());
429	>	assertFalse(future.isCancelled());
430	>	}
431		}
432
477	–
433		/**
434		* Completed submit(callable) returns result
435		*/
436		public void testSubmitCallable() throws Throwable {
437		ExecutorService e = new ForkJoinPool(1);
438	<	Future<String> future = e.submit(new StringTask());
439	<	String result = future.get();
440	<	assertSame(TEST_STRING, result);
438	>	try (PoolCleaner cleaner = cleaner(e)) {
439	>	Future<String> future = e.submit(new StringTask());
440	>	assertSame(TEST_STRING, future.get());
441	>	assertTrue(future.isDone());
442	>	assertFalse(future.isCancelled());
443	>	}
444		}
445
446		/**
#	Line 490 | Line 448 | public class ForkJoinPoolTest extends JS
448		*/
449		public void testSubmitRunnable() throws Throwable {
450		ExecutorService e = new ForkJoinPool(1);
451	<	Future<?> future = e.submit(new NoOpRunnable());
452	<	future.get();
453	<	assertTrue(future.isDone());
451	>	try (PoolCleaner cleaner = cleaner(e)) {
452	>	Future<?> future = e.submit(new NoOpRunnable());
453	>	assertNull(future.get());
454	>	assertTrue(future.isDone());
455	>	assertFalse(future.isCancelled());
456	>	}
457		}
458
459		/**
#	Line 500 | Line 461 | public class ForkJoinPoolTest extends JS
461		*/
462		public void testSubmitRunnable2() throws Throwable {
463		ExecutorService e = new ForkJoinPool(1);
464	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
465	<	String result = future.get();
466	<	assertSame(TEST_STRING, result);
464	>	try (PoolCleaner cleaner = cleaner(e)) {
465	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
466	>	assertSame(TEST_STRING, future.get());
467	>	assertTrue(future.isDone());
468	>	assertFalse(future.isCancelled());
469	>	}
470		}
471
472		/**
473		* A submitted privileged action runs to completion
474		*/
475	<	public void testSubmitPrivilegedAction() throws Throwable {
475	>	public void testSubmitPrivilegedAction() throws Exception {
476	>	final Callable callable = Executors.callable(new PrivilegedAction() {
477	>	public Object run() { return TEST_STRING; }});
478		Runnable r = new CheckedRunnable() {
479	<	public void realRun() throws Exception {
480	<	ExecutorService e = new ForkJoinPool(1);
481	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
482	<	public Object run() {
483	<	return TEST_STRING;
484	<	}}));
485	<
520	<	Object result = future.get();
521	<	assertSame(TEST_STRING, result);
522	<	}};
479	>	public void realRun() throws Exception {
480	>	ExecutorService e = new ForkJoinPool(1);
481	>	try (PoolCleaner cleaner = cleaner(e)) {
482	>	Future future = e.submit(callable);
483	>	assertSame(TEST_STRING, future.get());
484	>	}
485	>	}};
486
487		runWithPermissions(r, new RuntimePermission("modifyThread"));
488		}
#	Line 527 | Line 490 | public class ForkJoinPoolTest extends JS
490		/**
491		* A submitted privileged exception action runs to completion
492		*/
493	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
493	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
494	>	final Callable callable =
495	>	Executors.callable(new PrivilegedExceptionAction() {
496	>	public Object run() { return TEST_STRING; }});
497		Runnable r = new CheckedRunnable() {
498	<	public void realRun() throws Exception {
499	<	ExecutorService e = new ForkJoinPool(1);
500	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
501	<	public Object run() {
502	<	return TEST_STRING;
503	<	}}));
504	<
539	<	Object result = future.get();
540	<	assertSame(TEST_STRING, result);
541	<	}};
498	>	public void realRun() throws Exception {
499	>	ExecutorService e = new ForkJoinPool(1);
500	>	try (PoolCleaner cleaner = cleaner(e)) {
501	>	Future future = e.submit(callable);
502	>	assertSame(TEST_STRING, future.get());
503	>	}
504	>	}};
505
506		runWithPermissions(r, new RuntimePermission("modifyThread"));
507		}
#	Line 546 | Line 509 | public class ForkJoinPoolTest extends JS
509		/**
510		* A submitted failed privileged exception action reports exception
511		*/
512	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
512	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
513	>	final Callable callable =
514	>	Executors.callable(new PrivilegedExceptionAction() {
515	>	public Object run() { throw new IndexOutOfBoundsException(); }});
516		Runnable r = new CheckedRunnable() {
517	<	public void realRun() throws Exception {
518	<	ExecutorService e = new ForkJoinPool(1);
519	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
520	<	public Object run() throws Exception {
555	<	throw new IndexOutOfBoundsException();
556	<	}}));
557	<
517	>	public void realRun() throws Exception {
518	>	ExecutorService e = new ForkJoinPool(1);
519	>	try (PoolCleaner cleaner = cleaner(e)) {
520	>	Future future = e.submit(callable);
521		try {
522	<	Object result = future.get();
522	>	future.get();
523		shouldThrow();
524		} catch (ExecutionException success) {
525		assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
526	<	}}};
526	>	}
527	>	}
528	>	}};
529
530		runWithPermissions(r, new RuntimePermission("modifyThread"));
531		}
#	Line 569 | Line 534 | public class ForkJoinPoolTest extends JS
534		* execute(null runnable) throws NullPointerException
535		*/
536		public void testExecuteNullRunnable() {
537	<	try {
538	<	ExecutorService e = new ForkJoinPool(1);
539	<	TrackedShortRunnable task = null;
540	<	Future<?> future = e.submit(task);
541	<	shouldThrow();
542	<	} catch (NullPointerException success) {}
537	>	ExecutorService e = new ForkJoinPool(1);
538	>	try (PoolCleaner cleaner = cleaner(e)) {
539	>	try {
540	>	Future<?> future = e.submit((Runnable) null);
541	>	shouldThrow();
542	>	} catch (NullPointerException success) {}
543	>	}
544		}
545
580	–
546		/**
547		* submit(null callable) throws NullPointerException
548		*/
549		public void testSubmitNullCallable() {
550	<	try {
551	<	ExecutorService e = new ForkJoinPool(1);
552	<	StringTask t = null;
553	<	Future<String> future = e.submit(t);
554	<	shouldThrow();
555	<	} catch (NullPointerException success) {}
550	>	ExecutorService e = new ForkJoinPool(1);
551	>	try (PoolCleaner cleaner = cleaner(e)) {
552	>	try {
553	>	Future<String> future = e.submit((Callable) null);
554	>	shouldThrow();
555	>	} catch (NullPointerException success) {}
556	>	}
557		}
558
593	–
559		/**
560	<	* Blocking on submit(callable) throws InterruptedException if
596	<	* caller interrupted.
560	>	* submit(callable).get() throws InterruptedException if interrupted
561		*/
562		public void testInterruptedSubmit() throws InterruptedException {
563	<	final ForkJoinPool p = new ForkJoinPool(1);
564	<
565	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
566	<	public void realRun() throws Throwable {
567	<	p.submit(new CheckedCallable<Object>() {
568	<	public Object realCall() throws Throwable {
569	<	try {
570	<	Thread.sleep(MEDIUM_DELAY_MS);
571	<	} catch (InterruptedException ok) {
572	<	}
573	<	return null;
574	<	}}).get();
575	<	}});
576	<
577	<	t.start();
578	<	Thread.sleep(SHORT_DELAY_MS);
579	<	t.interrupt();
580	<	t.join();
581	<	p.shutdownNow();
582	<	joinPool(p);
563	>	final CountDownLatch submitted    = new CountDownLatch(1);
564	>	final CountDownLatch quittingTime = new CountDownLatch(1);
565	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
566	>	public Void realCall() throws InterruptedException {
567	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
568	>	return null;
569	>	}};
570	>	final ExecutorService p = new ForkJoinPool(1);
571	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
572	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
573	>	public void realRun() throws Exception {
574	>	Future<Void> future = p.submit(awaiter);
575	>	submitted.countDown();
576	>	future.get();
577	>	}});
578	>	t.start();
579	>	await(submitted);
580	>	t.interrupt();
581	>	awaitTermination(t);
582	>	}
583		}
584
585		/**
#	Line 624 | Line 588 | public class ForkJoinPoolTest extends JS
588		*/
589		public void testSubmitEE() throws Throwable {
590		ForkJoinPool p = new ForkJoinPool(1);
591	<	try {
592	<	p.submit(new Callable() {
593	<	public Object call() {
594	<	int i = 5/0;
595	<	return Boolean.TRUE;
596	<	}}).get();
597	<	shouldThrow();
598	<	} catch (ExecutionException success) {
599	<	assertTrue(success.getCause() instanceof ArithmeticException);
591	>	try (PoolCleaner cleaner = cleaner(p)) {
592	>	try {
593	>	p.submit(new Callable() {
594	>	public Object call() { throw new ArithmeticException(); }})
595	>	.get();
596	>	shouldThrow();
597	>	} catch (ExecutionException success) {
598	>	assertTrue(success.getCause() instanceof ArithmeticException);
599	>	}
600		}
637	–
638	–	joinPool(p);
601		}
602
603		/**
#	Line 643 | Line 605 | public class ForkJoinPoolTest extends JS
605		*/
606		public void testInvokeAny1() throws Throwable {
607		ExecutorService e = new ForkJoinPool(1);
608	<	try {
609	<	e.invokeAny(null);
610	<	shouldThrow();
611	<	} catch (NullPointerException success) {
612	<	} finally {
651	<	joinPool(e);
608	>	try (PoolCleaner cleaner = cleaner(e)) {
609	>	try {
610	>	e.invokeAny(null);
611	>	shouldThrow();
612	>	} catch (NullPointerException success) {}
613		}
614		}
615
#	Line 657 | Line 618 | public class ForkJoinPoolTest extends JS
618		*/
619		public void testInvokeAny2() throws Throwable {
620		ExecutorService e = new ForkJoinPool(1);
621	<	try {
622	<	e.invokeAny(new ArrayList<Callable<String>>());
623	<	shouldThrow();
624	<	} catch (IllegalArgumentException success) {
625	<	} finally {
665	<	joinPool(e);
621	>	try (PoolCleaner cleaner = cleaner(e)) {
622	>	try {
623	>	e.invokeAny(new ArrayList<Callable<String>>());
624	>	shouldThrow();
625	>	} catch (IllegalArgumentException success) {}
626		}
627		}
628
#	Line 671 | Line 631 | public class ForkJoinPoolTest extends JS
631		*/
632		public void testInvokeAny3() throws Throwable {
633		ExecutorService e = new ForkJoinPool(1);
634	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
635	<	l.add(null);
636	<	try {
637	<	e.invokeAny(l);
638	<	shouldThrow();
639	<	} catch (NullPointerException success) {
640	<	} finally {
681	<	joinPool(e);
634	>	try (PoolCleaner cleaner = cleaner(e)) {
635	>	List<Callable<String>> l = new ArrayList<>();
636	>	l.add(null);
637	>	try {
638	>	e.invokeAny(l);
639	>	shouldThrow();
640	>	} catch (NullPointerException success) {}
641		}
642		}
643
#	Line 688 | Line 647 | public class ForkJoinPoolTest extends JS
647		public void testInvokeAny4() throws Throwable {
648		CountDownLatch latch = new CountDownLatch(1);
649		ExecutorService e = new ForkJoinPool(1);
650	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
651	<	l.add(latchAwaitingStringTask(latch));
652	<	l.add(null);
653	<	try {
654	<	e.invokeAny(l);
655	<	shouldThrow();
656	<	} catch (NullPointerException success) {
657	<	} finally {
650	>	try (PoolCleaner cleaner = cleaner(e)) {
651	>	List<Callable<String>> l = new ArrayList<>();
652	>	l.add(latchAwaitingStringTask(latch));
653	>	l.add(null);
654	>	try {
655	>	e.invokeAny(l);
656	>	shouldThrow();
657	>	} catch (NullPointerException success) {}
658		latch.countDown();
700	–	joinPool(e);
659		}
660		}
661
#	Line 706 | Line 664 | public class ForkJoinPoolTest extends JS
664		*/
665		public void testInvokeAny5() throws Throwable {
666		ExecutorService e = new ForkJoinPool(1);
667	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
668	<	l.add(new NPETask());
669	<	try {
670	<	e.invokeAny(l);
671	<	shouldThrow();
672	<	} catch (ExecutionException success) {
673	<	assertTrue(success.getCause() instanceof NullPointerException);
674	<	} finally {
675	<	joinPool(e);
667	>	try (PoolCleaner cleaner = cleaner(e)) {
668	>	List<Callable<String>> l = new ArrayList<>();
669	>	l.add(new NPETask());
670	>	try {
671	>	e.invokeAny(l);
672	>	shouldThrow();
673	>	} catch (ExecutionException success) {
674	>	assertTrue(success.getCause() instanceof NullPointerException);
675	>	}
676		}
677		}
678
#	Line 723 | Line 681 | public class ForkJoinPoolTest extends JS
681		*/
682		public void testInvokeAny6() throws Throwable {
683		ExecutorService e = new ForkJoinPool(1);
684	<	try {
685	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
684	>	try (PoolCleaner cleaner = cleaner(e)) {
685	>	List<Callable<String>> l = new ArrayList<>();
686		l.add(new StringTask());
687		l.add(new StringTask());
688		String result = e.invokeAny(l);
689		assertSame(TEST_STRING, result);
732	–	} finally {
733	–	joinPool(e);
690		}
691		}
692
#	Line 739 | Line 695 | public class ForkJoinPoolTest extends JS
695		*/
696		public void testInvokeAll1() throws Throwable {
697		ExecutorService e = new ForkJoinPool(1);
698	<	try {
699	<	e.invokeAll(null);
700	<	shouldThrow();
701	<	} catch (NullPointerException success) {
702	<	} finally {
747	<	joinPool(e);
698	>	try (PoolCleaner cleaner = cleaner(e)) {
699	>	try {
700	>	e.invokeAll(null);
701	>	shouldThrow();
702	>	} catch (NullPointerException success) {}
703		}
704		}
705
706		/**
707	<	* invokeAll(empty collection) returns empty collection
707	>	* invokeAll(empty collection) returns empty list
708		*/
709		public void testInvokeAll2() throws InterruptedException {
710		ExecutorService e = new ForkJoinPool(1);
711	<	try {
712	<	List<Future<String>> r
713	<	= e.invokeAll(new ArrayList<Callable<String>>());
711	>	final Collection<Callable<String>> emptyCollection
712	>	= Collections.emptyList();
713	>	try (PoolCleaner cleaner = cleaner(e)) {
714	>	List<Future<String>> r = e.invokeAll(emptyCollection);
715		assertTrue(r.isEmpty());
760	–	} finally {
761	–	joinPool(e);
716		}
717		}
718
#	Line 767 | Line 721 | public class ForkJoinPoolTest extends JS
721		*/
722		public void testInvokeAll3() throws InterruptedException {
723		ExecutorService e = new ForkJoinPool(1);
724	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
725	<	l.add(new StringTask());
726	<	l.add(null);
727	<	try {
728	<	e.invokeAll(l);
729	<	shouldThrow();
730	<	} catch (NullPointerException success) {
731	<	} finally {
778	<	joinPool(e);
724	>	try (PoolCleaner cleaner = cleaner(e)) {
725	>	List<Callable<String>> l = new ArrayList<>();
726	>	l.add(new StringTask());
727	>	l.add(null);
728	>	try {
729	>	e.invokeAll(l);
730	>	shouldThrow();
731	>	} catch (NullPointerException success) {}
732		}
733		}
734
#	Line 785 | Line 738 | public class ForkJoinPoolTest extends JS
738		*/
739		public void testInvokeAll4() throws Throwable {
740		ExecutorService e = new ForkJoinPool(1);
741	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
742	<	l.add(new NPETask());
743	<	List<Future<String>> futures = e.invokeAll(l);
744	<	assertEquals(1, futures.size());
745	<	try {
746	<	futures.get(0).get();
747	<	shouldThrow();
748	<	} catch (ExecutionException success) {
749	<	assertTrue(success.getCause() instanceof NullPointerException);
750	<	} finally {
751	<	joinPool(e);
741	>	try (PoolCleaner cleaner = cleaner(e)) {
742	>	List<Callable<String>> l = new ArrayList<>();
743	>	l.add(new NPETask());
744	>	List<Future<String>> futures = e.invokeAll(l);
745	>	assertEquals(1, futures.size());
746	>	try {
747	>	futures.get(0).get();
748	>	shouldThrow();
749	>	} catch (ExecutionException success) {
750	>	assertTrue(success.getCause() instanceof NullPointerException);
751	>	}
752		}
753		}
754
#	Line 804 | Line 757 | public class ForkJoinPoolTest extends JS
757		*/
758		public void testInvokeAll5() throws Throwable {
759		ExecutorService e = new ForkJoinPool(1);
760	<	try {
761	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
760	>	try (PoolCleaner cleaner = cleaner(e)) {
761	>	List<Callable<String>> l = new ArrayList<>();
762		l.add(new StringTask());
763		l.add(new StringTask());
764		List<Future<String>> futures = e.invokeAll(l);
765		assertEquals(2, futures.size());
766		for (Future<String> future : futures)
767		assertSame(TEST_STRING, future.get());
815	–	} finally {
816	–	joinPool(e);
768		}
769		}
770
820	–
771		/**
772		* timed invokeAny(null) throws NullPointerException
773		*/
774		public void testTimedInvokeAny1() throws Throwable {
775		ExecutorService e = new ForkJoinPool(1);
776	<	try {
777	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
778	<	shouldThrow();
779	<	} catch (NullPointerException success) {
780	<	} finally {
831	<	joinPool(e);
776	>	try (PoolCleaner cleaner = cleaner(e)) {
777	>	try {
778	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
779	>	shouldThrow();
780	>	} catch (NullPointerException success) {}
781		}
782		}
783
#	Line 837 | Line 786 | public class ForkJoinPoolTest extends JS
786		*/
787		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
788		ExecutorService e = new ForkJoinPool(1);
789	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
790	<	l.add(new StringTask());
791	<	try {
792	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
793	<	shouldThrow();
794	<	} catch (NullPointerException success) {
795	<	} finally {
847	<	joinPool(e);
789	>	try (PoolCleaner cleaner = cleaner(e)) {
790	>	List<Callable<String>> l = new ArrayList<>();
791	>	l.add(new StringTask());
792	>	try {
793	>	e.invokeAny(l, randomTimeout(), null);
794	>	shouldThrow();
795	>	} catch (NullPointerException success) {}
796		}
797		}
798
#	Line 853 | Line 801 | public class ForkJoinPoolTest extends JS
801		*/
802		public void testTimedInvokeAny2() throws Throwable {
803		ExecutorService e = new ForkJoinPool(1);
804	<	try {
805	<	e.invokeAny(new ArrayList<Callable<String>>(),
806	<	MEDIUM_DELAY_MS, MILLISECONDS);
807	<	shouldThrow();
808	<	} catch (IllegalArgumentException success) {
809	<	} finally {
862	<	joinPool(e);
804	>	try (PoolCleaner cleaner = cleaner(e)) {
805	>	try {
806	>	e.invokeAny(new ArrayList<Callable<String>>(),
807	>	randomTimeout(), randomTimeUnit());
808	>	shouldThrow();
809	>	} catch (IllegalArgumentException success) {}
810		}
811		}
812
#	Line 869 | Line 816 | public class ForkJoinPoolTest extends JS
816		public void testTimedInvokeAny3() throws Throwable {
817		CountDownLatch latch = new CountDownLatch(1);
818		ExecutorService e = new ForkJoinPool(1);
819	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
820	<	l.add(latchAwaitingStringTask(latch));
821	<	l.add(null);
822	<	try {
823	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
824	<	shouldThrow();
825	<	} catch (NullPointerException success) {
826	<	} finally {
819	>	try (PoolCleaner cleaner = cleaner(e)) {
820	>	List<Callable<String>> l = new ArrayList<>();
821	>	l.add(latchAwaitingStringTask(latch));
822	>	l.add(null);
823	>	try {
824	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
825	>	shouldThrow();
826	>	} catch (NullPointerException success) {}
827		latch.countDown();
881	–	joinPool(e);
828		}
829		}
830
#	Line 887 | Line 833 | public class ForkJoinPoolTest extends JS
833		*/
834		public void testTimedInvokeAny4() throws Throwable {
835		ExecutorService e = new ForkJoinPool(1);
836	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
837	<	l.add(new NPETask());
838	<	try {
839	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
840	<	shouldThrow();
841	<	} catch (ExecutionException success) {
842	<	assertTrue(success.getCause() instanceof NullPointerException);
843	<	} finally {
844	<	joinPool(e);
836	>	try (PoolCleaner cleaner = cleaner(e)) {
837	>	long startTime = System.nanoTime();
838	>	List<Callable<String>> l = new ArrayList<>();
839	>	l.add(new NPETask());
840	>	try {
841	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
842	>	shouldThrow();
843	>	} catch (ExecutionException success) {
844	>	assertTrue(success.getCause() instanceof NullPointerException);
845	>	}
846	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
847		}
848		}
849
#	Line 904 | Line 852 | public class ForkJoinPoolTest extends JS
852		*/
853		public void testTimedInvokeAny5() throws Throwable {
854		ExecutorService e = new ForkJoinPool(1);
855	<	try {
856	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
855	>	try (PoolCleaner cleaner = cleaner(e)) {
856	>	long startTime = System.nanoTime();
857	>	List<Callable<String>> l = new ArrayList<>();
858		l.add(new StringTask());
859		l.add(new StringTask());
860	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
860	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
861		assertSame(TEST_STRING, result);
862	<	} finally {
914	<	joinPool(e);
862	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
863		}
864		}
865
#	Line 920 | Line 868 | public class ForkJoinPoolTest extends JS
868		*/
869		public void testTimedInvokeAll1() throws Throwable {
870		ExecutorService e = new ForkJoinPool(1);
871	<	try {
872	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
873	<	shouldThrow();
874	<	} catch (NullPointerException success) {
875	<	} finally {
928	<	joinPool(e);
871	>	try (PoolCleaner cleaner = cleaner(e)) {
872	>	try {
873	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
874	>	shouldThrow();
875	>	} catch (NullPointerException success) {}
876		}
877		}
878
#	Line 934 | Line 881 | public class ForkJoinPoolTest extends JS
881		*/
882		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
883		ExecutorService e = new ForkJoinPool(1);
884	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
885	<	l.add(new StringTask());
886	<	try {
887	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
888	<	shouldThrow();
889	<	} catch (NullPointerException success) {
890	<	} finally {
944	<	joinPool(e);
884	>	try (PoolCleaner cleaner = cleaner(e)) {
885	>	List<Callable<String>> l = new ArrayList<>();
886	>	l.add(new StringTask());
887	>	try {
888	>	e.invokeAll(l, randomTimeout(), null);
889	>	shouldThrow();
890	>	} catch (NullPointerException success) {}
891		}
892		}
893
894		/**
895	<	* timed invokeAll(empty collection) returns empty collection
895	>	* timed invokeAll(empty collection) returns empty list
896		*/
897		public void testTimedInvokeAll2() throws InterruptedException {
898		ExecutorService e = new ForkJoinPool(1);
899	<	try {
899	>	final Collection<Callable<String>> emptyCollection
900	>	= Collections.emptyList();
901	>	try (PoolCleaner cleaner = cleaner(e)) {
902		List<Future<String>> r
903	<	= e.invokeAll(new ArrayList<Callable<String>>(),
904	<	MEDIUM_DELAY_MS, MILLISECONDS);
903	>	= e.invokeAll(emptyCollection,
904	>	randomTimeout(), randomTimeUnit());
905		assertTrue(r.isEmpty());
958	–	} finally {
959	–	joinPool(e);
906		}
907		}
908
#	Line 965 | Line 911 | public class ForkJoinPoolTest extends JS
911		*/
912		public void testTimedInvokeAll3() throws InterruptedException {
913		ExecutorService e = new ForkJoinPool(1);
914	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	<	l.add(new StringTask());
916	<	l.add(null);
917	<	try {
918	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
919	<	shouldThrow();
920	<	} catch (NullPointerException success) {
921	<	} finally {
976	<	joinPool(e);
914	>	try (PoolCleaner cleaner = cleaner(e)) {
915	>	List<Callable<String>> l = new ArrayList<>();
916	>	l.add(new StringTask());
917	>	l.add(null);
918	>	try {
919	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
920	>	shouldThrow();
921	>	} catch (NullPointerException success) {}
922		}
923		}
924
#	Line 982 | Line 927 | public class ForkJoinPoolTest extends JS
927		*/
928		public void testTimedInvokeAll4() throws Throwable {
929		ExecutorService e = new ForkJoinPool(1);
930	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
931	<	l.add(new NPETask());
932	<	List<Future<String>> futures
933	<	= e.invokeAll(l, MEDIUM_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	<	} finally {
941	<	joinPool(e);
930	>	try (PoolCleaner cleaner = cleaner(e)) {
931	>	List<Callable<String>> l = new ArrayList<>();
932	>	l.add(new NPETask());
933	>	List<Future<String>> futures
934	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
935	>	assertEquals(1, futures.size());
936	>	try {
937	>	futures.get(0).get();
938	>	shouldThrow();
939	>	} catch (ExecutionException success) {
940	>	assertTrue(success.getCause() instanceof NullPointerException);
941	>	}
942		}
943		}
944
#	Line 1001 | Line 946 | public class ForkJoinPoolTest extends JS
946		* timed invokeAll(c) returns results of all completed tasks in c
947		*/
948		public void testTimedInvokeAll5() throws Throwable {
949	<	ExecutorService e = new ForkJoinPool(1);
950	<	try {
951	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
949	>	ForkJoinPool e = new ForkJoinPool(1);
950	>	try (PoolCleaner cleaner = cleaner(e)) {
951	>	List<Callable<String>> l = new ArrayList<>();
952		l.add(new StringTask());
953		l.add(new StringTask());
954		List<Future<String>> futures
955	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
955	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
956		assertEquals(2, futures.size());
957		for (Future<String> future : futures)
958		assertSame(TEST_STRING, future.get());
1014	–	} finally {
1015	–	joinPool(e);
959		}
960		}
961

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