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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.3 by jsr166, Fri Jul 31 23:38:15 2009 UTC vs.
Revision 1.76 by jsr166, Tue Jan 23 20:44:11 2018 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.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.Test;
32	>	import junit.framework.TestSuite;
33
34		public class ForkJoinPoolTest extends JSR166TestCase {
35		public static void main(String[] args) {
36	<	junit.textui.TestRunner.run (suite());
36	>	main(suite(), args);
37		}
38	+
39		public static Test suite() {
40		return new TestSuite(ForkJoinPoolTest.class);
41		}
42
43	<	/**
43	>	/*
44		* Testing coverage notes:
45		*
46		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 37 | Line 58 | public class ForkJoinPoolTest extends JS
58
59		// Some classes to test extension and factory methods
60
61	<	static class MyHandler implements Thread.UncaughtExceptionHandler {
41	<	int catches = 0;
42	<	public void uncaughtException(Thread t, Throwable e) {
43	<	++catches;
44	<	}
45	<	}
61	>	static class MyError extends Error {}
62
63		// to test handlers
64		static class FailingFJWSubclass extends ForkJoinWorkerThread {
65		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
66	<	protected void onStart() { throw new Error(); }
66	>	protected void onStart() { super.onStart(); throw new MyError(); }
67		}
68
69	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
70	<	int calls = 0;
69	>	static class FailingThreadFactory
70	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
71	>	final AtomicInteger calls = new AtomicInteger(0);
72		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
73	<	if (++calls > 1) return null;
73	>	if (calls.incrementAndGet() > 1) return null;
74		return new FailingFJWSubclass(p);
75		}
76		}
#	Line 86 | Line 103 | public class ForkJoinPoolTest extends JS
103		static final class FibTask extends RecursiveTask<Integer> {
104		final int number;
105		FibTask(int n) { number = n; }
106	<	public Integer compute() {
106	>	protected Integer compute() {
107		int n = number;
108		if (n <= 1)
109		return n;
#	Line 114 | Line 131 | public class ForkJoinPoolTest extends JS
131		this.locker = locker;
132		this.lock = lock;
133		}
134	<	public Integer compute() {
134	>	protected Integer compute() {
135		int n;
136		LockingFibTask f1 = null;
137		LockingFibTask f2 = null;
#	Line 135 | Line 152 | public class ForkJoinPoolTest extends JS
152		}
153
154		/**
155	<	* Succesfully constructed pool reports default factory,
155	>	* Successfully constructed pool reports default factory,
156		* parallelism and async mode policies, no active threads or
157		* tasks, and quiescent running state.
158		*/
159		public void testDefaultInitialState() {
160	<	ForkJoinPool p = null;
161	<	try {
162	<	p = new ForkJoinPool(1);
163	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
160	>	ForkJoinPool p = new ForkJoinPool(1);
161	>	try (PoolCleaner cleaner = cleaner(p)) {
162	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
163	>	p.getFactory());
164		assertFalse(p.getAsyncMode());
165	<	assertTrue(p.getActiveThreadCount() == 0);
166	<	assertTrue(p.getStealCount() == 0);
167	<	assertTrue(p.getQueuedTaskCount() == 0);
168	<	assertTrue(p.getQueuedSubmissionCount() == 0);
165	>	assertEquals(0, p.getActiveThreadCount());
166	>	assertEquals(0, p.getStealCount());
167	>	assertEquals(0, p.getQueuedTaskCount());
168	>	assertEquals(0, p.getQueuedSubmissionCount());
169		assertFalse(p.hasQueuedSubmissions());
170		assertFalse(p.isShutdown());
171		assertFalse(p.isTerminating());
172		assertFalse(p.isTerminated());
158	–	} finally {
159	–	joinPool(p);
173		}
174		}
175
#	Line 167 | Line 180 | public class ForkJoinPoolTest extends JS
180		try {
181		new ForkJoinPool(-1);
182		shouldThrow();
183	<	}
171	<	catch (IllegalArgumentException success) {}
183	>	} catch (IllegalArgumentException success) {}
184		}
185
186		/**
#	Line 176 | Line 188 | public class ForkJoinPoolTest extends JS
188		*/
189		public void testConstructor2() {
190		try {
191	<	new ForkJoinPool(1, null);
191	>	new ForkJoinPool(1, null, null, false);
192		shouldThrow();
193	<	}
182	<	catch (NullPointerException success) {}
193	>	} catch (NullPointerException success) {}
194		}
195
185	–
196		/**
197		* getParallelism returns size set in constructor
198		*/
199		public void testGetParallelism() {
200	<	ForkJoinPool p = null;
201	<	try {
202	<	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);
200	>	ForkJoinPool p = new ForkJoinPool(1);
201	>	try (PoolCleaner cleaner = cleaner(p)) {
202	>	assertEquals(1, p.getParallelism());
203		}
204		}
205
#	Line 231 | Line 207 | public class ForkJoinPoolTest extends JS
207		* getPoolSize returns number of started workers.
208		*/
209		public void testGetPoolSize() {
210	<	ForkJoinPool p = null;
211	<	try {
212	<	p = new ForkJoinPool(1);
213	<	assertTrue(p.getPoolSize() == 0);
214	<	Future<String> future = p.submit(new StringTask());
215	<	assertTrue(p.getPoolSize() == 1);
216	<
217	<	} finally {
218	<	joinPool(p);
219	<	}
220	<	}
221	<
222	<	/**
223	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
224	<	*/
225	<	public void testSetMaximumPoolSize() {
226	<	ForkJoinPool p = null;
251	<	try {
252	<	p = new ForkJoinPool(1);
253	<	p.setMaximumPoolSize(2);
254	<	assertTrue(p.getMaximumPoolSize() == 2);
255	<	} finally {
256	<	joinPool(p);
257	<	}
258	<	}
259	<
260	<	/**
261	<	* setMaximumPoolSize with argument <= 0 throws exception
262	<	*/
263	<	public void testSetMaximumPoolSize2() {
264	<	ForkJoinPool p = null;
265	<	try {
266	<	p = new ForkJoinPool(1);
267	<	p.setMaximumPoolSize(-2);
268	<	shouldThrow();
269	<	} catch (IllegalArgumentException success) {
270	<	} finally {
271	<	joinPool(p);
272	<	}
273	<	}
274	<
275	<	/**
276	<	* setMaintainsParallelism changes policy reported by
277	<	* getMaintainsParallelism.
278	<	*/
279	<	public void testSetMaintainsParallelism() {
280	<	ForkJoinPool p = null;
281	<	try {
282	<	p = new ForkJoinPool(1);
283	<	p.setMaintainsParallelism(false);
284	<	assertFalse(p.getMaintainsParallelism());
285	<	} finally {
286	<	joinPool(p);
210	>	final CountDownLatch taskStarted = new CountDownLatch(1);
211	>	final CountDownLatch done = new CountDownLatch(1);
212	>	final ForkJoinPool p = new ForkJoinPool(1);
213	>	try (PoolCleaner cleaner = cleaner(p)) {
214	>	assertEquals(0, p.getActiveThreadCount());
215	>	final Runnable task = new CheckedRunnable() {
216	>	public void realRun() throws InterruptedException {
217	>	taskStarted.countDown();
218	>	assertEquals(1, p.getPoolSize());
219	>	assertEquals(1, p.getActiveThreadCount());
220	>	await(done);
221	>	}};
222	>	Future<?> future = p.submit(task);
223	>	await(taskStarted);
224	>	assertEquals(1, p.getPoolSize());
225	>	assertEquals(1, p.getActiveThreadCount());
226	>	done.countDown();
227		}
228	+	assertEquals(0, p.getPoolSize());
229	+	assertEquals(0, p.getActiveThreadCount());
230		}
231
232		/**
233	<	* setAsyncMode changes policy reported by
292	<	* getAsyncMode.
233	>	* awaitTermination on a non-shutdown pool times out
234		*/
235	<	public void testSetAsyncMode() {
236	<	ForkJoinPool p = null;
237	<	try {
238	<	p = new ForkJoinPool(1);
239	<	p.setAsyncMode(true);
240	<	assertTrue(p.getAsyncMode());
241	<	} finally {
242	<	joinPool(p);
235	>	public void testAwaitTermination_timesOut() throws InterruptedException {
236	>	ForkJoinPool p = new ForkJoinPool(1);
237	>	try (PoolCleaner cleaner = cleaner(p)) {
238	>	assertFalse(p.isTerminated());
239	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
240	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
241	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
242	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
243	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
244	>	randomTimeUnit()));
245	>	long timeoutNanos = 999999L;
246	>	long startTime = System.nanoTime();
247	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
248	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
249	>	assertFalse(p.isTerminated());
250	>	startTime = System.nanoTime();
251	>	long timeoutMillis = timeoutMillis();
252	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
253	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
254	>	assertFalse(p.isTerminated());
255	>	p.shutdown();
256	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
257	>	assertTrue(p.isTerminated());
258		}
259		}
260
#	Line 308 | Line 264 | public class ForkJoinPoolTest extends JS
264		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
265		* performs its defined action
266		*/
267	<	public void testSetUncaughtExceptionHandler() {
268	<	ForkJoinPool p = null;
269	<	try {
270	<	p = new ForkJoinPool(1, new FailingThreadFactory());
271	<	MyHandler eh = new MyHandler();
272	<	p.setUncaughtExceptionHandler(eh);
273	<	assertEquals(eh, p.getUncaughtExceptionHandler());
274	<	p.execute(new FailingTask());
275	<	Thread.sleep(MEDIUM_DELAY_MS);
276	<	assertTrue(eh.catches > 0);
277	<	} catch (InterruptedException e) {
278	<	unexpectedException();
279	<	} finally {
280	<	joinPool(p);
267	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
268	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
269	>	final Thread.UncaughtExceptionHandler ueh =
270	>	new Thread.UncaughtExceptionHandler() {
271	>	public void uncaughtException(Thread t, Throwable e) {
272	>	threadAssertTrue(e instanceof MyError);
273	>	threadAssertTrue(t instanceof FailingFJWSubclass);
274	>	uehInvoked.countDown();
275	>	}};
276	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
277	>	ueh, false);
278	>	try (PoolCleaner cleaner = cleaner(p)) {
279	>	assertSame(ueh, p.getUncaughtExceptionHandler());
280	>	try {
281	>	p.execute(new FibTask(8));
282	>	await(uehInvoked);
283	>	} finally {
284	>	p.shutdownNow(); // failure might have prevented processing task
285	>	}
286		}
287		}
288
289		/**
290	<	* setUncaughtExceptionHandler of null removes handler
291	<	*/
292	<	public void testSetUncaughtExceptionHandler2() {
293	<	ForkJoinPool p = null;
294	<	try {
295	<	p = new ForkJoinPool(1);
296	<	p.setUncaughtExceptionHandler(null);
297	<	assertNull(p.getUncaughtExceptionHandler());
298	<	} finally {
299	<	joinPool(p);
300	<	}
301	<	}
302	<
290	>	* After invoking a single task, isQuiescent eventually becomes
291	>	* true, at which time queues are empty, threads are not active,
292	>	* the task has completed successfully, and construction
293	>	* parameters continue to hold
294	>	*/
295	>	public void testIsQuiescent() throws Exception {
296	>	ForkJoinPool p = new ForkJoinPool(2);
297	>	try (PoolCleaner cleaner = cleaner(p)) {
298	>	assertTrue(p.isQuiescent());
299	>	long startTime = System.nanoTime();
300	>	FibTask f = new FibTask(20);
301	>	p.invoke(f);
302	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
303	>	p.getFactory());
304	>	while (! p.isQuiescent()) {
305	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
306	>	throw new AssertionError("timed out");
307	>	assertFalse(p.getAsyncMode());
308	>	assertFalse(p.isShutdown());
309	>	assertFalse(p.isTerminating());
310	>	assertFalse(p.isTerminated());
311	>	Thread.yield();
312	>	}
313
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);
314		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
315		assertFalse(p.getAsyncMode());
316	<	assertTrue(p.getActiveThreadCount() == 0);
317	<	assertTrue(p.getQueuedTaskCount() == 0);
360	<	assertTrue(p.getQueuedSubmissionCount() == 0);
316	>	assertEquals(0, p.getQueuedTaskCount());
317	>	assertEquals(0, p.getQueuedSubmissionCount());
318		assertFalse(p.hasQueuedSubmissions());
319	+	while (p.getActiveThreadCount() != 0
320	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
321	+	Thread.yield();
322		assertFalse(p.isShutdown());
323		assertFalse(p.isTerminating());
324		assertFalse(p.isTerminated());
325	<	} catch (InterruptedException e) {
326	<	unexpectedException();
327	<	} finally {
368	<	joinPool(p);
325	>	assertTrue(f.isDone());
326	>	assertEquals(6765, (int) f.get());
327	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
328		}
329		}
330
331		/**
332		* Completed submit(ForkJoinTask) returns result
333		*/
334	<	public void testSubmitForkJoinTask() {
335	<	ForkJoinPool p = null;
336	<	try {
378	<	p = new ForkJoinPool(1);
334	>	public void testSubmitForkJoinTask() throws Throwable {
335	>	ForkJoinPool p = new ForkJoinPool(1);
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
338	<	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);
338	>	assertEquals(21, (int) f.get());
339		}
340		}
341
#	Line 392 | Line 343 | public class ForkJoinPoolTest extends JS
343		* A task submitted after shutdown is rejected
344		*/
345		public void testSubmitAfterShutdown() {
346	<	ForkJoinPool p = null;
347	<	try {
397	<	p = new ForkJoinPool(1);
346	>	ForkJoinPool p = new ForkJoinPool(1);
347	>	try (PoolCleaner cleaner = cleaner(p)) {
348		p.shutdown();
349		assertTrue(p.isShutdown());
350	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
351	<	shouldThrow();
352	<	} catch (RejectedExecutionException success) {
353	<	} finally {
404	<	joinPool(p);
350	>	try {
351	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
352	>	shouldThrow();
353	>	} catch (RejectedExecutionException success) {}
354		}
355		}
356
357		/**
358		* Pool maintains parallelism when using ManagedBlocker
359		*/
360	<	public void testBlockingForkJoinTask() {
361	<	ForkJoinPool p = null;
360	>	public void testBlockingForkJoinTask() throws Throwable {
361	>	ForkJoinPool p = new ForkJoinPool(4);
362		try {
414	–	p = new ForkJoinPool(4);
363		ReentrantLock lock = new ReentrantLock();
364		ManagedLocker locker = new ManagedLocker(lock);
365	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
365	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
366		p.execute(f);
367	<	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();
367	>	assertEquals(6765, (int) f.get());
368		} finally {
369	<	joinPool(p);
369	>	p.shutdownNow(); // don't wait out shutdown
370		}
371		}
372
#	Line 432 | Line 374 | public class ForkJoinPoolTest extends JS
374		* pollSubmission returns unexecuted submitted task, if present
375		*/
376		public void testPollSubmission() {
377	<	SubFJP p = null;
378	<	try {
379	<	p = new SubFJP();
380	<	ForkJoinTask a = p.submit(new MediumRunnable());
381	<	ForkJoinTask b = p.submit(new MediumRunnable());
382	<	ForkJoinTask c = p.submit(new MediumRunnable());
377	>	final CountDownLatch done = new CountDownLatch(1);
378	>	SubFJP p = new SubFJP();
379	>	try (PoolCleaner cleaner = cleaner(p)) {
380	>	ForkJoinTask a = p.submit(awaiter(done));
381	>	ForkJoinTask b = p.submit(awaiter(done));
382	>	ForkJoinTask c = p.submit(awaiter(done));
383		ForkJoinTask r = p.pollSubmission();
384		assertTrue(r == a || r == b || r == c);
385		assertFalse(r.isDone());
386	<	} finally {
445	<	joinPool(p);
386	>	done.countDown();
387		}
388		}
389
#	Line 450 | Line 391 | public class ForkJoinPoolTest extends JS
391		* drainTasksTo transfers unexecuted submitted tasks, if present
392		*/
393		public void testDrainTasksTo() {
394	<	SubFJP p = null;
395	<	try {
396	<	p = new SubFJP();
397	<	ForkJoinTask a = p.submit(new MediumRunnable());
398	<	ForkJoinTask b = p.submit(new MediumRunnable());
399	<	ForkJoinTask c = p.submit(new MediumRunnable());
394	>	final CountDownLatch done = new CountDownLatch(1);
395	>	SubFJP p = new SubFJP();
396	>	try (PoolCleaner cleaner = cleaner(p)) {
397	>	ForkJoinTask a = p.submit(awaiter(done));
398	>	ForkJoinTask b = p.submit(awaiter(done));
399	>	ForkJoinTask c = p.submit(awaiter(done));
400		ArrayList<ForkJoinTask> al = new ArrayList();
401		p.drainTasksTo(al);
402		assertTrue(al.size() > 0);
#	Line 463 | Line 404 | public class ForkJoinPoolTest extends JS
404		assertTrue(r == a || r == b || r == c);
405		assertFalse(r.isDone());
406		}
407	<	} finally {
467	<	joinPool(p);
407	>	done.countDown();
408		}
409		}
410
471	–
411		// FJ Versions of AbstractExecutorService tests
412
413		/**
414		* execute(runnable) runs it to completion
415		*/
416	<	public void testExecuteRunnable() {
417	<	try {
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);
424	<	}
425	<	catch (ExecutionException ex) {
426	<	unexpectedException();
427	<	}
428	<	catch (InterruptedException ex) {
490	<	unexpectedException();
416	>	public void testExecuteRunnable() throws Throwable {
417	>	ExecutorService e = new ForkJoinPool(1);
418	>	try (PoolCleaner cleaner = cleaner(e)) {
419	>	final AtomicBoolean done = new AtomicBoolean(false);
420	>	Future<?> future = e.submit(new CheckedRunnable() {
421	>	public void realRun() {
422	>	done.set(true);
423	>	}});
424	>	assertNull(future.get());
425	>	assertNull(future.get(randomExpiredTimeout(), randomTimeUnit()));
426	>	assertTrue(done.get());
427	>	assertTrue(future.isDone());
428	>	assertFalse(future.isCancelled());
429		}
430		}
431
494	–
432		/**
433		* Completed submit(callable) returns result
434		*/
435	<	public void testSubmitCallable() {
436	<	try {
437	<	ExecutorService e = new ForkJoinPool(1);
435	>	public void testSubmitCallable() throws Throwable {
436	>	ExecutorService e = new ForkJoinPool(1);
437	>	try (PoolCleaner cleaner = cleaner(e)) {
438		Future<String> future = e.submit(new StringTask());
439	<	String result = future.get();
440	<	assertSame(TEST_STRING, result);
441	<	}
505	<	catch (ExecutionException ex) {
506	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
439	>	assertSame(TEST_STRING, future.get());
440	>	assertTrue(future.isDone());
441	>	assertFalse(future.isCancelled());
442		}
443		}
444
445		/**
446		* Completed submit(runnable) returns successfully
447		*/
448	<	public void testSubmitRunnable() {
449	<	try {
450	<	ExecutorService e = new ForkJoinPool(1);
448	>	public void testSubmitRunnable() throws Throwable {
449	>	ExecutorService e = new ForkJoinPool(1);
450	>	try (PoolCleaner cleaner = cleaner(e)) {
451		Future<?> future = e.submit(new NoOpRunnable());
452	<	future.get();
452	>	assertNull(future.get());
453		assertTrue(future.isDone());
454	<	}
523	<	catch (ExecutionException ex) {
524	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
454	>	assertFalse(future.isCancelled());
455		}
456		}
457
458		/**
459		* Completed submit(runnable, result) returns result
460		*/
461	<	public void testSubmitRunnable2() {
462	<	try {
463	<	ExecutorService e = new ForkJoinPool(1);
461	>	public void testSubmitRunnable2() throws Throwable {
462	>	ExecutorService e = new ForkJoinPool(1);
463	>	try (PoolCleaner cleaner = cleaner(e)) {
464		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
465	<	String result = future.get();
466	<	assertSame(TEST_STRING, result);
467	<	}
541	<	catch (ExecutionException ex) {
542	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
465	>	assertSame(TEST_STRING, future.get());
466	>	assertTrue(future.isDone());
467	>	assertFalse(future.isCancelled());
468		}
469		}
470
549	–
471		/**
472	<	* A submitted privileged action to completion
472	>	* A submitted privileged action runs to completion
473		*/
474	<	public void testSubmitPrivilegedAction() {
475	<	Policy savedPolicy = null;
476	<	try {
477	<	savedPolicy = Policy.getPolicy();
478	<	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 {
474	>	public void testSubmitPrivilegedAction() throws Exception {
475	>	final Callable callable = Executors.callable(new PrivilegedAction() {
476	>	public Object run() { return TEST_STRING; }});
477	>	Runnable r = new CheckedRunnable() {
478	>	public void realRun() throws Exception {
479		ExecutorService e = new ForkJoinPool(1);
480	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
481	<	public Object run() {
482	<	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;
480	>	try (PoolCleaner cleaner = cleaner(e)) {
481	>	Future future = e.submit(callable);
482	>	assertSame(TEST_STRING, future.get());
483		}
484	<	}
484	>	}};
485	>
486	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
487		}
488
489		/**
490	<	* A submitted a privileged exception action runs to completion
490	>	* A submitted privileged exception action runs to completion
491		*/
492	<	public void testSubmitPrivilegedExceptionAction() {
493	<	Policy savedPolicy = null;
494	<	try {
495	<	savedPolicy = Policy.getPolicy();
496	<	AdjustablePolicy policy = new AdjustablePolicy();
497	<	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 {
492	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
493	>	final Callable callable =
494	>	Executors.callable(new PrivilegedExceptionAction() {
495	>	public Object run() { return TEST_STRING; }});
496	>	Runnable r = new CheckedRunnable() {
497	>	public void realRun() throws Exception {
498		ExecutorService e = new ForkJoinPool(1);
499	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
500	<	public Object run() {
501	<	return TEST_STRING;
502	<	}}));
499	>	try (PoolCleaner cleaner = cleaner(e)) {
500	>	Future future = e.submit(callable);
501	>	assertSame(TEST_STRING, future.get());
502	>	}
503	>	}};
504
505	<	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	<	}
505	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
506		}
507
508		/**
509		* A submitted failed privileged exception action reports exception
510		*/
511	<	public void testSubmitFailedPrivilegedExceptionAction() {
512	<	Policy savedPolicy = null;
513	<	try {
514	<	savedPolicy = Policy.getPolicy();
515	<	AdjustablePolicy policy = new AdjustablePolicy();
516	<	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 {
511	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
512	>	final Callable callable =
513	>	Executors.callable(new PrivilegedExceptionAction() {
514	>	public Object run() { throw new IndexOutOfBoundsException(); }});
515	>	Runnable r = new CheckedRunnable() {
516	>	public void realRun() throws Exception {
517		ExecutorService e = new ForkJoinPool(1);
518	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
519	<	public Object run() throws Exception {
520	<	throw new IndexOutOfBoundsException();
521	<	}}));
518	>	try (PoolCleaner cleaner = cleaner(e)) {
519	>	Future future = e.submit(callable);
520	>	try {
521	>	future.get();
522	>	shouldThrow();
523	>	} catch (ExecutionException success) {
524	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
525	>	}
526	>	}
527	>	}};
528
529	<	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	<	}
529	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
530		}
531
532		/**
533	<	* execute(null runnable) throws NPE
533	>	* execute(null runnable) throws NullPointerException
534		*/
535		public void testExecuteNullRunnable() {
536	<	try {
537	<	ExecutorService e = new ForkJoinPool(1);
538	<	TrackedShortRunnable task = null;
539	<	Future<?> future = e.submit(task);
540	<	shouldThrow();
541	<	}
671	<	catch (NullPointerException success) {
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
536	>	ExecutorService e = new ForkJoinPool(1);
537	>	try (PoolCleaner cleaner = cleaner(e)) {
538	>	try {
539	>	Future<?> future = e.submit((Runnable) null);
540	>	shouldThrow();
541	>	} catch (NullPointerException success) {}
542		}
543		}
544
678	–
545		/**
546	<	* submit(null callable) throws NPE
546	>	* submit(null callable) throws NullPointerException
547		*/
548		public void testSubmitNullCallable() {
549	<	try {
550	<	ExecutorService e = new ForkJoinPool(1);
551	<	StringTask t = null;
552	<	Future<String> future = e.submit(t);
553	<	shouldThrow();
554	<	}
689	<	catch (NullPointerException success) {
690	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
549	>	ExecutorService e = new ForkJoinPool(1);
550	>	try (PoolCleaner cleaner = cleaner(e)) {
551	>	try {
552	>	Future<String> future = e.submit((Callable) null);
553	>	shouldThrow();
554	>	} catch (NullPointerException success) {}
555		}
556		}
557
696	–
558		/**
559	<	*  Blocking on submit(callable) throws InterruptedException if
560	<	*  caller interrupted.
561	<	*/
562	<	public void testInterruptedSubmit() {
563	<	final ForkJoinPool p = new ForkJoinPool(1);
564	<	Thread t = new Thread(new Runnable() {
565	<	public void run() {
566	<	try {
567	<	p.submit(new Callable<Object>() {
568	<	public Object call() {
569	<	try {
570	<	Thread.sleep(MEDIUM_DELAY_MS);
571	<	shouldThrow();
572	<	} catch (InterruptedException e) {
573	<	}
574	<	return null;
575	<	}
576	<	}).get();
716	<	} catch (InterruptedException success) {
717	<	} catch (Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
559	>	* submit(callable).get() throws InterruptedException if interrupted
560	>	*/
561	>	public void testInterruptedSubmit() throws InterruptedException {
562	>	final CountDownLatch submitted    = new CountDownLatch(1);
563	>	final CountDownLatch quittingTime = new CountDownLatch(1);
564	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
565	>	public Void realCall() throws InterruptedException {
566	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
567	>	return null;
568	>	}};
569	>	final ExecutorService p = new ForkJoinPool(1);
570	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
571	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
572	>	public void realRun() throws Exception {
573	>	Future<Void> future = p.submit(awaiter);
574	>	submitted.countDown();
575	>	future.get();
576	>	}});
577		t.start();
578	<	Thread.sleep(SHORT_DELAY_MS);
578	>	await(submitted);
579		t.interrupt();
580	<	} catch (Exception e) {
728	<	unexpectedException();
580	>	awaitTermination(t);
581		}
730	–	joinPool(p);
582		}
583
584		/**
585	<	*  get of submit(callable) throws ExecutionException if callable
586	<	*  throws exception
585	>	* get of submit(callable) throws ExecutionException if callable
586	>	* throws exception
587		*/
588	<	public void testSubmitEE() {
588	>	public void testSubmitEE() throws Throwable {
589		ForkJoinPool p = new ForkJoinPool(1);
590	<
591	<	try {
592	<	Callable c = new Callable() {
593	<	public Object call() {
594	<	int i = 5/0;
595	<	return Boolean.TRUE;
596	<	}
597	<	};
747	<
748	<	for (int i = 0; i < 5; i++) {
749	<	p.submit(c).get();
590	>	try (PoolCleaner cleaner = cleaner(p)) {
591	>	try {
592	>	p.submit(new Callable() {
593	>	public Object call() { throw new ArithmeticException(); }})
594	>	.get();
595	>	shouldThrow();
596	>	} catch (ExecutionException success) {
597	>	assertTrue(success.getCause() instanceof ArithmeticException);
598		}
599	+	}
600	+	}
601
602	<	shouldThrow();
603	<	} catch (ExecutionException success) {
604	<	} catch (CancellationException success) {
605	<	} catch (Exception e) {
606	<	unexpectedException();
602	>	/**
603	>	* invokeAny(null) throws NullPointerException
604	>	*/
605	>	public void testInvokeAny1() throws Throwable {
606	>	ExecutorService e = new ForkJoinPool(1);
607	>	try (PoolCleaner cleaner = cleaner(e)) {
608	>	try {
609	>	e.invokeAny(null);
610	>	shouldThrow();
611	>	} catch (NullPointerException success) {}
612		}
758	–	joinPool(p);
613		}
614
615		/**
616	<	* invokeAny(null) throws NPE
616	>	* invokeAny(empty collection) throws IllegalArgumentException
617		*/
618	<	public void testInvokeAny1() {
618	>	public void testInvokeAny2() throws Throwable {
619		ExecutorService e = new ForkJoinPool(1);
620	<	try {
621	<	e.invokeAny(null);
622	<	} catch (NullPointerException success) {
623	<	} catch (Exception ex) {
624	<	unexpectedException();
771	<	} finally {
772	<	joinPool(e);
620	>	try (PoolCleaner cleaner = cleaner(e)) {
621	>	try {
622	>	e.invokeAny(new ArrayList<Callable<String>>());
623	>	shouldThrow();
624	>	} catch (IllegalArgumentException success) {}
625		}
626		}
627
628		/**
629	<	* invokeAny(empty collection) throws IAE
629	>	* invokeAny(c) throws NullPointerException if c has a single null element
630		*/
631	<	public void testInvokeAny2() {
631	>	public void testInvokeAny3() throws Throwable {
632		ExecutorService e = new ForkJoinPool(1);
633	<	try {
634	<	e.invokeAny(new ArrayList<Callable<String>>());
635	<	} catch (IllegalArgumentException success) {
636	<	} catch (Exception ex) {
637	<	unexpectedException();
638	<	} finally {
639	<	joinPool(e);
633	>	try (PoolCleaner cleaner = cleaner(e)) {
634	>	List<Callable<String>> l = new ArrayList<>();
635	>	l.add(null);
636	>	try {
637	>	e.invokeAny(l);
638	>	shouldThrow();
639	>	} catch (NullPointerException success) {}
640		}
641		}
642
643		/**
644	<	* invokeAny(c) throws NPE if c has null elements
644	>	* invokeAny(c) throws NullPointerException if c has null elements
645		*/
646	<	public void testInvokeAny3() {
646	>	public void testInvokeAny4() throws Throwable {
647	>	CountDownLatch latch = new CountDownLatch(1);
648		ExecutorService e = new ForkJoinPool(1);
649	<	try {
650	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
651	<	l.add(new StringTask());
649	>	try (PoolCleaner cleaner = cleaner(e)) {
650	>	List<Callable<String>> l = new ArrayList<>();
651	>	l.add(latchAwaitingStringTask(latch));
652		l.add(null);
653	<	e.invokeAny(l);
654	<	} catch (NullPointerException success) {
655	<	} catch (Exception ex) {
656	<	ex.printStackTrace();
657	<	unexpectedException();
805	<	} finally {
806	<	joinPool(e);
653	>	try {
654	>	e.invokeAny(l);
655	>	shouldThrow();
656	>	} catch (NullPointerException success) {}
657	>	latch.countDown();
658		}
659		}
660
661		/**
662		* invokeAny(c) throws ExecutionException if no task in c completes
663		*/
664	<	public void testInvokeAny4() {
664	>	public void testInvokeAny5() throws Throwable {
665		ExecutorService e = new ForkJoinPool(1);
666	<	try {
667	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
666	>	try (PoolCleaner cleaner = cleaner(e)) {
667	>	List<Callable<String>> l = new ArrayList<>();
668		l.add(new NPETask());
669	<	e.invokeAny(l);
670	<	} catch (ExecutionException success) {
671	<	} catch (CancellationException success) {
672	<	} catch (Exception ex) {
673	<	unexpectedException();
674	<	} finally {
824	<	joinPool(e);
669	>	try {
670	>	e.invokeAny(l);
671	>	shouldThrow();
672	>	} catch (ExecutionException success) {
673	>	assertTrue(success.getCause() instanceof NullPointerException);
674	>	}
675		}
676		}
677
678		/**
679		* invokeAny(c) returns result of some task in c if at least one completes
680		*/
681	<	public void testInvokeAny5() {
681	>	public void testInvokeAny6() throws Throwable {
682		ExecutorService e = new ForkJoinPool(1);
683	<	try {
684	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
683	>	try (PoolCleaner cleaner = cleaner(e)) {
684	>	List<Callable<String>> l = new ArrayList<>();
685		l.add(new StringTask());
686		l.add(new StringTask());
687		String result = e.invokeAny(l);
688		assertSame(TEST_STRING, result);
839	–	} catch (ExecutionException success) {
840	–	} catch (CancellationException success) {
841	–	} catch (Exception ex) {
842	–	unexpectedException();
843	–	} finally {
844	–	joinPool(e);
689		}
690		}
691
692		/**
693	<	* invokeAll(null) throws NPE
693	>	* invokeAll(null) throws NullPointerException
694		*/
695	<	public void testInvokeAll1() {
695	>	public void testInvokeAll1() throws Throwable {
696		ExecutorService e = new ForkJoinPool(1);
697	<	try {
698	<	e.invokeAll(null);
699	<	} catch (NullPointerException success) {
700	<	} catch (Exception ex) {
701	<	unexpectedException();
858	<	} finally {
859	<	joinPool(e);
697	>	try (PoolCleaner cleaner = cleaner(e)) {
698	>	try {
699	>	e.invokeAll(null);
700	>	shouldThrow();
701	>	} catch (NullPointerException success) {}
702		}
703		}
704
705		/**
706	<	* invokeAll(empty collection) returns empty collection
706	>	* invokeAll(empty collection) returns empty list
707		*/
708	<	public void testInvokeAll2() {
708	>	public void testInvokeAll2() throws InterruptedException {
709		ExecutorService e = new ForkJoinPool(1);
710	<	try {
711	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
710	>	final Collection<Callable<String>> emptyCollection
711	>	= Collections.emptyList();
712	>	try (PoolCleaner cleaner = cleaner(e)) {
713	>	List<Future<String>> r = e.invokeAll(emptyCollection);
714		assertTrue(r.isEmpty());
871	–	} catch (Exception ex) {
872	–	unexpectedException();
873	–	} finally {
874	–	joinPool(e);
715		}
716		}
717
718		/**
719	<	* invokeAll(c) throws NPE if c has null elements
719	>	* invokeAll(c) throws NullPointerException if c has null elements
720		*/
721	<	public void testInvokeAll3() {
721	>	public void testInvokeAll3() throws InterruptedException {
722		ExecutorService e = new ForkJoinPool(1);
723	<	try {
724	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
723	>	try (PoolCleaner cleaner = cleaner(e)) {
724	>	List<Callable<String>> l = new ArrayList<>();
725		l.add(new StringTask());
726		l.add(null);
727	<	e.invokeAll(l);
728	<	} catch (NullPointerException success) {
729	<	} catch (Exception ex) {
730	<	unexpectedException();
891	<	} finally {
892	<	joinPool(e);
727	>	try {
728	>	e.invokeAll(l);
729	>	shouldThrow();
730	>	} catch (NullPointerException success) {}
731		}
732		}
733
734		/**
735	<	* get of returned element of invokeAll(c) throws exception on failed task
735	>	* get of returned element of invokeAll(c) throws
736	>	* ExecutionException on failed task
737		*/
738	<	public void testInvokeAll4() {
738	>	public void testInvokeAll4() throws Throwable {
739		ExecutorService e = new ForkJoinPool(1);
740	<	try {
741	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
740	>	try (PoolCleaner cleaner = cleaner(e)) {
741	>	List<Callable<String>> l = new ArrayList<>();
742		l.add(new NPETask());
743	<	List<Future<String>> result = e.invokeAll(l);
744	<	assertEquals(1, result.size());
745	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
746	<	it.next().get();
747	<	} catch (ExecutionException success) {
748	<	} catch (CancellationException success) {
749	<	} catch (Exception ex) {
750	<	ex.printStackTrace();
912	<	unexpectedException();
913	<	} finally {
914	<	joinPool(e);
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	>	}
751		}
752		}
753
754		/**
755		* invokeAll(c) returns results of all completed tasks in c
756		*/
757	<	public void testInvokeAll5() {
757	>	public void testInvokeAll5() throws Throwable {
758		ExecutorService e = new ForkJoinPool(1);
759	<	try {
760	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
759	>	try (PoolCleaner cleaner = cleaner(e)) {
760	>	List<Callable<String>> l = new ArrayList<>();
761		l.add(new StringTask());
762		l.add(new StringTask());
763	<	List<Future<String>> result = e.invokeAll(l);
764	<	assertEquals(2, result.size());
765	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
766	<	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);
763	>	List<Future<String>> futures = e.invokeAll(l);
764	>	assertEquals(2, futures.size());
765	>	for (Future<String> future : futures)
766	>	assertSame(TEST_STRING, future.get());
767		}
768		}
769
941	–
770		/**
771	<	* timed invokeAny(null) throws NPE
771	>	* timed invokeAny(null) throws NullPointerException
772		*/
773	<	public void testTimedInvokeAny1() {
773	>	public void testTimedInvokeAny1() throws Throwable {
774		ExecutorService e = new ForkJoinPool(1);
775	<	try {
776	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
777	<	} catch (NullPointerException success) {
778	<	} catch (Exception ex) {
779	<	ex.printStackTrace();
952	<	unexpectedException();
953	<	} finally {
954	<	joinPool(e);
775	>	try (PoolCleaner cleaner = cleaner(e)) {
776	>	try {
777	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
778	>	shouldThrow();
779	>	} catch (NullPointerException success) {}
780		}
781		}
782
783		/**
784	<	* timed invokeAny(null time unit) throws NPE
784	>	* timed invokeAny(null time unit) throws NullPointerException
785		*/
786	<	public void testTimedInvokeAnyNullTimeUnit() {
786	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
787		ExecutorService e = new ForkJoinPool(1);
788	<	try {
789	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
788	>	try (PoolCleaner cleaner = cleaner(e)) {
789	>	List<Callable<String>> l = new ArrayList<>();
790		l.add(new StringTask());
791	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
792	<	} catch (NullPointerException success) {
793	<	} catch (Exception ex) {
794	<	ex.printStackTrace();
970	<	unexpectedException();
971	<	} finally {
972	<	joinPool(e);
791	>	try {
792	>	e.invokeAny(l, randomTimeout(), null);
793	>	shouldThrow();
794	>	} catch (NullPointerException success) {}
795		}
796		}
797
798		/**
799	<	* timed invokeAny(empty collection) throws IAE
799	>	* timed invokeAny(empty collection) throws IllegalArgumentException
800		*/
801	<	public void testTimedInvokeAny2() {
801	>	public void testTimedInvokeAny2() throws Throwable {
802		ExecutorService e = new ForkJoinPool(1);
803	<	try {
804	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
805	<	} catch (IllegalArgumentException success) {
806	<	} catch (Exception ex) {
807	<	ex.printStackTrace();
808	<	unexpectedException();
987	<	} finally {
988	<	joinPool(e);
803	>	try (PoolCleaner cleaner = cleaner(e)) {
804	>	try {
805	>	e.invokeAny(new ArrayList<Callable<String>>(),
806	>	randomTimeout(), randomTimeUnit());
807	>	shouldThrow();
808	>	} catch (IllegalArgumentException success) {}
809		}
810		}
811
812		/**
813	<	* timed invokeAny(c) throws NPE if c has null elements
813	>	* timed invokeAny(c) throws NullPointerException if c has null elements
814		*/
815	<	public void testTimedInvokeAny3() {
815	>	public void testTimedInvokeAny3() throws Throwable {
816	>	CountDownLatch latch = new CountDownLatch(1);
817		ExecutorService e = new ForkJoinPool(1);
818	<	try {
819	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
820	<	l.add(new StringTask());
818	>	try (PoolCleaner cleaner = cleaner(e)) {
819	>	List<Callable<String>> l = new ArrayList<>();
820	>	l.add(latchAwaitingStringTask(latch));
821		l.add(null);
822	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
823	<	} catch (NullPointerException success) {
824	<	} catch (Exception ex) {
825	<	ex.printStackTrace();
826	<	unexpectedException();
1006	<	} finally {
1007	<	joinPool(e);
822	>	try {
823	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
824	>	shouldThrow();
825	>	} catch (NullPointerException success) {}
826	>	latch.countDown();
827		}
828		}
829
830		/**
831		* timed invokeAny(c) throws ExecutionException if no task completes
832		*/
833	<	public void testTimedInvokeAny4() {
833	>	public void testTimedInvokeAny4() throws Throwable {
834		ExecutorService e = new ForkJoinPool(1);
835	<	try {
836	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
835	>	try (PoolCleaner cleaner = cleaner(e)) {
836	>	long startTime = System.nanoTime();
837	>	List<Callable<String>> l = new ArrayList<>();
838		l.add(new NPETask());
839	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
840	<	} catch (ExecutionException success) {
841	<	} catch (CancellationException success) {
842	<	} catch (Exception ex) {
843	<	ex.printStackTrace();
844	<	unexpectedException();
845	<	} finally {
1026	<	joinPool(e);
839	>	try {
840	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
841	>	shouldThrow();
842	>	} catch (ExecutionException success) {
843	>	assertTrue(success.getCause() instanceof NullPointerException);
844	>	}
845	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
846		}
847		}
848
849		/**
850		* timed invokeAny(c) returns result of some task in c
851		*/
852	<	public void testTimedInvokeAny5() {
852	>	public void testTimedInvokeAny5() throws Throwable {
853		ExecutorService e = new ForkJoinPool(1);
854	<	try {
855	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
854	>	try (PoolCleaner cleaner = cleaner(e)) {
855	>	long startTime = System.nanoTime();
856	>	List<Callable<String>> l = new ArrayList<>();
857		l.add(new StringTask());
858		l.add(new StringTask());
859	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
859	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
860		assertSame(TEST_STRING, result);
861	<	} catch (ExecutionException success) {
1042	<	} catch (CancellationException success) {
1043	<	} catch (Exception ex) {
1044	<	ex.printStackTrace();
1045	<	unexpectedException();
1046	<	} finally {
1047	<	joinPool(e);
861	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
862		}
863		}
864
865		/**
866	<	* timed invokeAll(null) throws NPE
866	>	* timed invokeAll(null) throws NullPointerException
867		*/
868	<	public void testTimedInvokeAll1() {
868	>	public void testTimedInvokeAll1() throws Throwable {
869		ExecutorService e = new ForkJoinPool(1);
870	<	try {
871	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
872	<	} catch (NullPointerException success) {
873	<	} catch (Exception ex) {
874	<	ex.printStackTrace();
1061	<	unexpectedException();
1062	<	} finally {
1063	<	joinPool(e);
870	>	try (PoolCleaner cleaner = cleaner(e)) {
871	>	try {
872	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
873	>	shouldThrow();
874	>	} catch (NullPointerException success) {}
875		}
876		}
877
878		/**
879	<	* timed invokeAll(null time unit) throws NPE
879	>	* timed invokeAll(null time unit) throws NullPointerException
880		*/
881	<	public void testTimedInvokeAllNullTimeUnit() {
881	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
882		ExecutorService e = new ForkJoinPool(1);
883	<	try {
884	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
883	>	try (PoolCleaner cleaner = cleaner(e)) {
884	>	List<Callable<String>> l = new ArrayList<>();
885		l.add(new StringTask());
886	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
887	<	} catch (NullPointerException success) {
888	<	} catch (Exception ex) {
889	<	ex.printStackTrace();
1079	<	unexpectedException();
1080	<	} finally {
1081	<	joinPool(e);
886	>	try {
887	>	e.invokeAll(l, randomTimeout(), null);
888	>	shouldThrow();
889	>	} catch (NullPointerException success) {}
890		}
891		}
892
893		/**
894	<	* timed invokeAll(empty collection) returns empty collection
894	>	* timed invokeAll(empty collection) returns empty list
895		*/
896	<	public void testTimedInvokeAll2() {
896	>	public void testTimedInvokeAll2() throws InterruptedException {
897		ExecutorService e = new ForkJoinPool(1);
898	<	try {
899	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
898	>	final Collection<Callable<String>> emptyCollection
899	>	= Collections.emptyList();
900	>	try (PoolCleaner cleaner = cleaner(e)) {
901	>	List<Future<String>> r
902	>	= e.invokeAll(emptyCollection,
903	>	randomTimeout(), randomTimeUnit());
904		assertTrue(r.isEmpty());
1093	–	} catch (Exception ex) {
1094	–	ex.printStackTrace();
1095	–	unexpectedException();
1096	–	} finally {
1097	–	joinPool(e);
905		}
906		}
907
908		/**
909	<	* timed invokeAll(c) throws NPE if c has null elements
909	>	* timed invokeAll(c) throws NullPointerException if c has null elements
910		*/
911	<	public void testTimedInvokeAll3() {
911	>	public void testTimedInvokeAll3() throws InterruptedException {
912		ExecutorService e = new ForkJoinPool(1);
913	<	try {
914	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
913	>	try (PoolCleaner cleaner = cleaner(e)) {
914	>	List<Callable<String>> l = new ArrayList<>();
915		l.add(new StringTask());
916		l.add(null);
917	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
918	<	} catch (NullPointerException success) {
919	<	} catch (Exception ex) {
920	<	ex.printStackTrace();
1114	<	unexpectedException();
1115	<	} finally {
1116	<	joinPool(e);
917	>	try {
918	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
919	>	shouldThrow();
920	>	} catch (NullPointerException success) {}
921		}
922		}
923
924		/**
925		* get of returned element of invokeAll(c) throws exception on failed task
926		*/
927	<	public void testTimedInvokeAll4() {
927	>	public void testTimedInvokeAll4() throws Throwable {
928		ExecutorService e = new ForkJoinPool(1);
929	<	try {
930	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
929	>	try (PoolCleaner cleaner = cleaner(e)) {
930	>	List<Callable<String>> l = new ArrayList<>();
931		l.add(new NPETask());
932	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
933	<	assertEquals(1, result.size());
934	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
935	<	it.next().get();
936	<	} catch (ExecutionException success) {
937	<	} catch (CancellationException success) {
938	<	} catch (Exception ex) {
939	<	ex.printStackTrace();
940	<	unexpectedException();
1137	<	} finally {
1138	<	joinPool(e);
932	>	List<Future<String>> futures
933	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
934	>	assertEquals(1, futures.size());
935	>	try {
936	>	futures.get(0).get();
937	>	shouldThrow();
938	>	} catch (ExecutionException success) {
939	>	assertTrue(success.getCause() instanceof NullPointerException);
940	>	}
941		}
942		}
943
944		/**
945		* timed invokeAll(c) returns results of all completed tasks in c
946		*/
947	<	public void testTimedInvokeAll5() {
948	<	ExecutorService e = new ForkJoinPool(1);
949	<	try {
950	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
947	>	public void testTimedInvokeAll5() throws Throwable {
948	>	ForkJoinPool e = new ForkJoinPool(1);
949	>	try (PoolCleaner cleaner = cleaner(e)) {
950	>	List<Callable<String>> l = new ArrayList<>();
951		l.add(new StringTask());
952		l.add(new StringTask());
953	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
954	<	assertEquals(2, result.size());
955	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
956	<	assertSame(TEST_STRING, it.next().get());
957	<	} catch (ExecutionException success) {
1156	<	} catch (CancellationException success) {
1157	<	} catch (Exception ex) {
1158	<	ex.printStackTrace();
1159	<	unexpectedException();
1160	<	} finally {
1161	<	joinPool(e);
953	>	List<Future<String>> futures
954	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
955	>	assertEquals(2, futures.size());
956	>	for (Future<String> future : futures)
957	>	assertSame(TEST_STRING, future.get());
958		}
959		}
960

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