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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.4 by jsr166, Sat Aug 1 21:56:02 2009 UTC vs.
Revision 1.50 by jsr166, Mon May 20 16:46:23 2013 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	–
7		import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.util.concurrent.locks.*;
11	<	import java.security.*;
8	>	import java.util.ArrayList;
9	>	import java.util.Collection;
10	>	import java.util.List;
11	>	import java.util.concurrent.Executors;
12	>	import java.util.concurrent.ExecutorService;
13	>	import java.util.concurrent.AbstractExecutorService;
14	>	import java.util.concurrent.CountDownLatch;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.Future;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.RejectedExecutionException;
20	>	import java.util.concurrent.ForkJoinPool;
21	>	import java.util.concurrent.ForkJoinTask;
22	>	import java.util.concurrent.ForkJoinWorkerThread;
23	>	import java.util.concurrent.RecursiveTask;
24	>	import java.util.concurrent.TimeUnit;
25	>	import java.util.concurrent.atomic.AtomicBoolean;
26	>	import java.util.concurrent.locks.ReentrantLock;
27	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
28	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
29	>	import java.security.AccessControlException;
30	>	import java.security.Policy;
31	>	import java.security.PrivilegedAction;
32	>	import java.security.PrivilegedExceptionAction;
33
34		public class ForkJoinPoolTest extends JSR166TestCase {
35		public static void main(String[] args) {
36	<	junit.textui.TestRunner.run (suite());
36	>	junit.textui.TestRunner.run(suite());
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 38 | Line 59 | public class ForkJoinPoolTest extends JS
59		// Some classes to test extension and factory methods
60
61		static class MyHandler implements Thread.UncaughtExceptionHandler {
62	<	int catches = 0;
62	>	volatile int catches = 0;
63		public void uncaughtException(Thread t, Throwable e) {
64		++catches;
65		}
#	Line 47 | Line 68 | public class ForkJoinPoolTest extends JS
68		// to test handlers
69		static class FailingFJWSubclass extends ForkJoinWorkerThread {
70		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
71	<	protected void onStart() { throw new Error(); }
71	>	protected void onStart() { super.onStart(); throw new Error(); }
72		}
73
74	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
75	<	int calls = 0;
74	>	static class FailingThreadFactory
75	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
76	>	volatile int calls = 0;
77		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
78		if (++calls > 1) return null;
79		return new FailingFJWSubclass(p);
#	Line 135 | Line 157 | public class ForkJoinPoolTest extends JS
157		}
158
159		/**
160	<	* Succesfully constructed pool reports default factory,
160	>	* Successfully constructed pool reports default factory,
161		* parallelism and async mode policies, no active threads or
162		* tasks, and quiescent running state.
163		*/
164		public void testDefaultInitialState() {
165	<	ForkJoinPool p = null;
165	>	ForkJoinPool p = new ForkJoinPool(1);
166		try {
167	<	p = new ForkJoinPool(1);
168	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
167	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
168	>	p.getFactory());
169		assertFalse(p.getAsyncMode());
170	<	assertTrue(p.getActiveThreadCount() == 0);
171	<	assertTrue(p.getStealCount() == 0);
172	<	assertTrue(p.getQueuedTaskCount() == 0);
173	<	assertTrue(p.getQueuedSubmissionCount() == 0);
170	>	assertEquals(0, p.getActiveThreadCount());
171	>	assertEquals(0, p.getStealCount());
172	>	assertEquals(0, p.getQueuedTaskCount());
173	>	assertEquals(0, p.getQueuedSubmissionCount());
174		assertFalse(p.hasQueuedSubmissions());
175		assertFalse(p.isShutdown());
176		assertFalse(p.isTerminating());
#	Line 167 | Line 187 | public class ForkJoinPoolTest extends JS
187		try {
188		new ForkJoinPool(-1);
189		shouldThrow();
190	<	}
171	<	catch (IllegalArgumentException success) {}
190	>	} catch (IllegalArgumentException success) {}
191		}
192
193		/**
#	Line 176 | Line 195 | public class ForkJoinPoolTest extends JS
195		*/
196		public void testConstructor2() {
197		try {
198	<	new ForkJoinPool(1, null);
198	>	new ForkJoinPool(1, null, null, false);
199		shouldThrow();
200	<	}
182	<	catch (NullPointerException success) {}
200	>	} catch (NullPointerException success) {}
201		}
202
185	–
203		/**
204		* getParallelism returns size set in constructor
205		*/
206		public void testGetParallelism() {
207	<	ForkJoinPool p = null;
191	<	try {
192	<	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;
207	>	ForkJoinPool p = new ForkJoinPool(1);
208		try {
209	<	p = new ForkJoinPool(1);
221	<	assertTrue(p.getParallelism() == 1);
222	<	p.setParallelism(-2);
223	<	shouldThrow();
224	<	} catch (IllegalArgumentException success) {
209	>	assertEquals(1, p.getParallelism());
210		} finally {
211		joinPool(p);
212		}
#	Line 231 | Line 216 | public class ForkJoinPoolTest extends JS
216		* getPoolSize returns number of started workers.
217		*/
218		public void testGetPoolSize() {
219	<	ForkJoinPool p = null;
219	>	ForkJoinPool p = new ForkJoinPool(1);
220		try {
221	<	p = new ForkJoinPool(1);
237	<	assertTrue(p.getPoolSize() == 0);
221	>	assertEquals(0, p.getActiveThreadCount());
222		Future<String> future = p.submit(new StringTask());
223	<	assertTrue(p.getPoolSize() == 1);
240	<
241	<	} finally {
242	<	joinPool(p);
243	<	}
244	<	}
245	<
246	<	/**
247	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
248	<	*/
249	<	public void testSetMaximumPoolSize() {
250	<	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) {
223	>	assertEquals(1, p.getPoolSize());
224		} finally {
225		joinPool(p);
226		}
227		}
228
229		/**
230	<	* setMaintainsParallelism changes policy reported by
277	<	* getMaintainsParallelism.
230	>	* awaitTermination on a non-shutdown pool times out
231		*/
232	<	public void testSetMaintainsParallelism() {
233	<	ForkJoinPool p = null;
234	<	try {
235	<	p = new ForkJoinPool(1);
236	<	p.setMaintainsParallelism(false);
237	<	assertFalse(p.getMaintainsParallelism());
238	<	} finally {
239	<	joinPool(p);
240	<	}
241	<	}
242	<
243	<	/**
244	<	* setAsyncMode changes policy reported by
245	<	* getAsyncMode.
246	<	*/
247	<	public void testSetAsyncMode() {
248	<	ForkJoinPool p = null;
249	<	try {
250	<	p = new ForkJoinPool(1);
251	<	p.setAsyncMode(true);
252	<	assertTrue(p.getAsyncMode());
253	<	} finally {
301	<	joinPool(p);
302	<	}
232	>	public void testAwaitTermination_timesOut() throws InterruptedException {
233	>	ForkJoinPool p = new ForkJoinPool(1);
234	>	assertFalse(p.isTerminated());
235	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
236	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
237	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
238	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
239	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
240	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
241	>	long timeoutNanos = 999999L;
242	>	long startTime = System.nanoTime();
243	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
244	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
245	>	assertFalse(p.isTerminated());
246	>	startTime = System.nanoTime();
247	>	long timeoutMillis = timeoutMillis();
248	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
249	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
250	>	assertFalse(p.isTerminated());
251	>	p.shutdown();
252	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
253	>	assertTrue(p.isTerminated());
254		}
255
256		/**
#	Line 308 | Line 259 | public class ForkJoinPoolTest extends JS
259		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
260		* performs its defined action
261		*/
262	<	public void testSetUncaughtExceptionHandler() {
263	<	ForkJoinPool p = null;
262	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
263	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
264	>	final Thread.UncaughtExceptionHandler eh =
265	>	new Thread.UncaughtExceptionHandler() {
266	>	public void uncaughtException(Thread t, Throwable e) {
267	>	uehInvoked.countDown();
268	>	}};
269	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
270	>	eh, false);
271		try {
272	<	p = new ForkJoinPool(1, new FailingThreadFactory());
273	<	MyHandler eh = new MyHandler();
274	<	p.setUncaughtExceptionHandler(eh);
275	<	assertEquals(eh, p.getUncaughtExceptionHandler());
276	<	p.execute(new FailingTask());
277	<	Thread.sleep(MEDIUM_DELAY_MS);
320	<	assertTrue(eh.catches > 0);
321	<	} catch (InterruptedException e) {
322	<	unexpectedException();
272	>	assertSame(eh, p.getUncaughtExceptionHandler());
273	>	try {
274	>	p.execute(new FibTask(8));
275	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
276	>	} catch (RejectedExecutionException ok) {
277	>	}
278		} finally {
279	+	p.shutdownNow(); // failure might have prevented processing task
280		joinPool(p);
281		}
282		}
283
284		/**
285	<	* setUncaughtExceptionHandler of null removes handler
285	>	* After invoking a single task, isQuiescent eventually becomes
286	>	* true, at which time queues are empty, threads are not active,
287	>	* the task has completed successfully, and construction
288	>	* parameters continue to hold
289		*/
290	<	public void testSetUncaughtExceptionHandler2() {
291	<	ForkJoinPool p = null;
290	>	public void testIsQuiescent() throws Exception {
291	>	ForkJoinPool p = new ForkJoinPool(2);
292		try {
293	<	p = new ForkJoinPool(1);
294	<	p.setUncaughtExceptionHandler(null);
295	<	assertNull(p.getUncaughtExceptionHandler());
296	<	} finally {
297	<	joinPool(p);
298	<	}
299	<	}
300	<
293	>	assertTrue(p.isQuiescent());
294	>	long startTime = System.nanoTime();
295	>	FibTask f = new FibTask(20);
296	>	p.invoke(f);
297	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
298	>	p.getFactory());
299	>	while (! p.isQuiescent()) {
300	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
301	>	throw new AssertionFailedError("timed out");
302	>	assertFalse(p.getAsyncMode());
303	>	assertFalse(p.isShutdown());
304	>	assertFalse(p.isTerminating());
305	>	assertFalse(p.isTerminated());
306	>	Thread.yield();
307	>	}
308
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);
309		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
310		assertFalse(p.getAsyncMode());
311	<	assertTrue(p.getActiveThreadCount() == 0);
312	<	assertTrue(p.getQueuedTaskCount() == 0);
313	<	assertTrue(p.getQueuedSubmissionCount() == 0);
311	>	assertEquals(0, p.getActiveThreadCount());
312	>	assertEquals(0, p.getQueuedTaskCount());
313	>	assertEquals(0, p.getQueuedSubmissionCount());
314		assertFalse(p.hasQueuedSubmissions());
315		assertFalse(p.isShutdown());
316		assertFalse(p.isTerminating());
317		assertFalse(p.isTerminated());
318	<	} catch (InterruptedException e) {
319	<	unexpectedException();
318	>	assertTrue(f.isDone());
319	>	assertEquals(6765, (int) f.get());
320		} finally {
321		joinPool(p);
322		}
#	Line 372 | Line 325 | public class ForkJoinPoolTest extends JS
325		/**
326		* Completed submit(ForkJoinTask) returns result
327		*/
328	<	public void testSubmitForkJoinTask() {
329	<	ForkJoinPool p = null;
328	>	public void testSubmitForkJoinTask() throws Throwable {
329	>	ForkJoinPool p = new ForkJoinPool(1);
330		try {
378	–	p = new ForkJoinPool(1);
331		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
332	<	int r = f.get();
381	<	assertTrue(r == 21);
382	<	} catch (ExecutionException ex) {
383	<	unexpectedException();
384	<	} catch (InterruptedException ex) {
385	<	unexpectedException();
332	>	assertEquals(21, (int) f.get());
333		} finally {
334		joinPool(p);
335		}
#	Line 392 | Line 339 | public class ForkJoinPoolTest extends JS
339		* A task submitted after shutdown is rejected
340		*/
341		public void testSubmitAfterShutdown() {
342	<	ForkJoinPool p = null;
342	>	ForkJoinPool p = new ForkJoinPool(1);
343		try {
397	–	p = new ForkJoinPool(1);
344		p.shutdown();
345		assertTrue(p.isShutdown());
346	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
347	<	shouldThrow();
348	<	} catch (RejectedExecutionException success) {
346	>	try {
347	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
348	>	shouldThrow();
349	>	} catch (RejectedExecutionException success) {}
350		} finally {
351		joinPool(p);
352		}
#	Line 408 | Line 355 | public class ForkJoinPoolTest extends JS
355		/**
356		* Pool maintains parallelism when using ManagedBlocker
357		*/
358	<	public void testBlockingForkJoinTask() {
359	<	ForkJoinPool p = null;
358	>	public void testBlockingForkJoinTask() throws Throwable {
359	>	ForkJoinPool p = new ForkJoinPool(4);
360		try {
414	–	p = new ForkJoinPool(4);
361		ReentrantLock lock = new ReentrantLock();
362		ManagedLocker locker = new ManagedLocker(lock);
363	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
363	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
364		p.execute(f);
365	<	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();
365	>	assertEquals(6765, (int) f.get());
366		} finally {
367	<	joinPool(p);
367	>	p.shutdownNow(); // don't wait out shutdown
368		}
369		}
370
#	Line 432 | Line 372 | public class ForkJoinPoolTest extends JS
372		* pollSubmission returns unexecuted submitted task, if present
373		*/
374		public void testPollSubmission() {
375	<	SubFJP p = null;
375	>	final CountDownLatch done = new CountDownLatch(1);
376	>	SubFJP p = new SubFJP();
377		try {
378	<	p = new SubFJP();
379	<	ForkJoinTask a = p.submit(new MediumRunnable());
380	<	ForkJoinTask b = p.submit(new MediumRunnable());
440	<	ForkJoinTask c = p.submit(new MediumRunnable());
378	>	ForkJoinTask a = p.submit(awaiter(done));
379	>	ForkJoinTask b = p.submit(awaiter(done));
380	>	ForkJoinTask c = p.submit(awaiter(done));
381		ForkJoinTask r = p.pollSubmission();
382		assertTrue(r == a || r == b || r == c);
383		assertFalse(r.isDone());
384		} finally {
385	+	done.countDown();
386		joinPool(p);
387		}
388		}
#	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;
394	>	final CountDownLatch done = new CountDownLatch(1);
395	>	SubFJP p = new SubFJP();
396		try {
397	<	p = new SubFJP();
398	<	ForkJoinTask a = p.submit(new MediumRunnable());
399	<	ForkJoinTask b = p.submit(new MediumRunnable());
458	<	ForkJoinTask c = p.submit(new MediumRunnable());
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 464 | Line 405 | public class ForkJoinPoolTest extends JS
405		assertFalse(r.isDone());
406		}
407		} finally {
408	+	done.countDown();
409		joinPool(p);
410		}
411		}
412
471	–
413		// FJ Versions of AbstractExecutorService tests
414
415		/**
416		* execute(runnable) runs it to completion
417		*/
418	<	public void testExecuteRunnable() {
418	>	public void testExecuteRunnable() throws Throwable {
419	>	ExecutorService e = new ForkJoinPool(1);
420		try {
421	<	ExecutorService e = new ForkJoinPool(1);
422	<	TrackedShortRunnable task = new TrackedShortRunnable();
423	<	assertFalse(task.done);
421	>	final AtomicBoolean done = new AtomicBoolean(false);
422	>	CheckedRunnable task = new CheckedRunnable() {
423	>	public void realRun() {
424	>	done.set(true);
425	>	}};
426		Future<?> future = e.submit(task);
427	<	future.get();
428	<	assertTrue(task.done);
429	<	}
430	<	catch (ExecutionException ex) {
431	<	unexpectedException();
432	<	}
433	<	catch (InterruptedException ex) {
490	<	unexpectedException();
427	>	assertNull(future.get());
428	>	assertNull(future.get(0, MILLISECONDS));
429	>	assertTrue(done.get());
430	>	assertTrue(future.isDone());
431	>	assertFalse(future.isCancelled());
432	>	} finally {
433	>	joinPool(e);
434		}
435		}
436
494	–
437		/**
438		* Completed submit(callable) returns result
439		*/
440	<	public void testSubmitCallable() {
440	>	public void testSubmitCallable() throws Throwable {
441	>	ExecutorService e = new ForkJoinPool(1);
442		try {
500	–	ExecutorService e = new ForkJoinPool(1);
443		Future<String> future = e.submit(new StringTask());
444	<	String result = future.get();
445	<	assertSame(TEST_STRING, result);
446	<	}
447	<	catch (ExecutionException ex) {
448	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
444	>	assertSame(TEST_STRING, future.get());
445	>	assertTrue(future.isDone());
446	>	assertFalse(future.isCancelled());
447	>	} finally {
448	>	joinPool(e);
449		}
450		}
451
452		/**
453		* Completed submit(runnable) returns successfully
454		*/
455	<	public void testSubmitRunnable() {
455	>	public void testSubmitRunnable() throws Throwable {
456	>	ExecutorService e = new ForkJoinPool(1);
457		try {
518	–	ExecutorService e = new ForkJoinPool(1);
458		Future<?> future = e.submit(new NoOpRunnable());
459	<	future.get();
459	>	assertNull(future.get());
460		assertTrue(future.isDone());
461	<	}
462	<	catch (ExecutionException ex) {
463	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
461	>	assertFalse(future.isCancelled());
462	>	} finally {
463	>	joinPool(e);
464		}
465		}
466
467		/**
468		* Completed submit(runnable, result) returns result
469		*/
470	<	public void testSubmitRunnable2() {
470	>	public void testSubmitRunnable2() throws Throwable {
471	>	ExecutorService e = new ForkJoinPool(1);
472		try {
536	–	ExecutorService e = new ForkJoinPool(1);
473		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
474	<	String result = future.get();
475	<	assertSame(TEST_STRING, result);
476	<	}
477	<	catch (ExecutionException ex) {
478	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
474	>	assertSame(TEST_STRING, future.get());
475	>	assertTrue(future.isDone());
476	>	assertFalse(future.isCancelled());
477	>	} finally {
478	>	joinPool(e);
479		}
480		}
481
549	–
482		/**
483	<	* A submitted privileged action to completion
483	>	* A submitted privileged action runs to completion
484		*/
485	<	public void testSubmitPrivilegedAction() {
486	<	Policy savedPolicy = null;
487	<	try {
488	<	savedPolicy = Policy.getPolicy();
489	<	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 {
485	>	public void testSubmitPrivilegedAction() throws Exception {
486	>	final Callable callable = Executors.callable(new PrivilegedAction() {
487	>	public Object run() { return TEST_STRING; }});
488	>	Runnable r = new CheckedRunnable() {
489	>	public void realRun() throws Exception {
490		ExecutorService e = new ForkJoinPool(1);
566	–	Future future = e.submit(Executors.callable(new PrivilegedAction() {
567	–	public Object run() {
568	–	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 {
491		try {
492	<	Policy.setPolicy(savedPolicy);
493	<	} catch (AccessControlException ok) {
494	<	return;
492	>	Future future = e.submit(callable);
493	>	assertSame(TEST_STRING, future.get());
494	>	} finally {
495	>	joinPool(e);
496		}
497	<	}
497	>	}};
498	>
499	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
500		}
501
502		/**
503	<	* A submitted a privileged exception action runs to completion
503	>	* A submitted privileged exception action runs to completion
504		*/
505	<	public void testSubmitPrivilegedExceptionAction() {
506	<	Policy savedPolicy = null;
507	<	try {
508	<	savedPolicy = Policy.getPolicy();
509	<	AdjustablePolicy policy = new AdjustablePolicy();
510	<	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 {
505	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
506	>	final Callable callable =
507	>	Executors.callable(new PrivilegedExceptionAction() {
508	>	public Object run() { return TEST_STRING; }});
509	>	Runnable r = new CheckedRunnable() {
510	>	public void realRun() throws Exception {
511		ExecutorService e = new ForkJoinPool(1);
512	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
513	<	public Object run() {
514	<	return TEST_STRING;
515	<	}}));
512	>	try {
513	>	Future future = e.submit(callable);
514	>	assertSame(TEST_STRING, future.get());
515	>	} finally {
516	>	joinPool(e);
517	>	}
518	>	}};
519
520	<	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	<	}
520	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
521		}
522
523		/**
524		* A submitted failed privileged exception action reports exception
525		*/
526	<	public void testSubmitFailedPrivilegedExceptionAction() {
527	<	Policy savedPolicy = null;
528	<	try {
529	<	savedPolicy = Policy.getPolicy();
530	<	AdjustablePolicy policy = new AdjustablePolicy();
531	<	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 {
526	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
527	>	final Callable callable =
528	>	Executors.callable(new PrivilegedExceptionAction() {
529	>	public Object run() { throw new IndexOutOfBoundsException(); }});
530	>	Runnable r = new CheckedRunnable() {
531	>	public void realRun() throws Exception {
532		ExecutorService e = new ForkJoinPool(1);
533	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
534	<	public Object run() throws Exception {
535	<	throw new IndexOutOfBoundsException();
536	<	}}));
533	>	try {
534	>	Future future = e.submit(callable);
535	>	try {
536	>	future.get();
537	>	shouldThrow();
538	>	} catch (ExecutionException success) {
539	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
540	>	}
541	>	} finally {
542	>	joinPool(e);
543	>	}
544	>	}};
545
546	<	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	<	}
546	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
547		}
548
549		/**
550	<	* execute(null runnable) throws NPE
550	>	* execute(null runnable) throws NullPointerException
551		*/
552		public void testExecuteNullRunnable() {
553	+	ExecutorService e = new ForkJoinPool(1);
554		try {
555	<	ExecutorService e = new ForkJoinPool(1);
667	<	TrackedShortRunnable task = null;
668	<	Future<?> future = e.submit(task);
555	>	Future<?> future = e.submit((Runnable) null);
556		shouldThrow();
557	<	}
558	<	catch (NullPointerException success) {
559	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
557	>	} catch (NullPointerException success) {
558	>	} finally {
559	>	joinPool(e);
560		}
561		}
562
678	–
563		/**
564	<	* submit(null callable) throws NPE
564	>	* submit(null callable) throws NullPointerException
565		*/
566		public void testSubmitNullCallable() {
567	+	ExecutorService e = new ForkJoinPool(1);
568		try {
569	<	ExecutorService e = new ForkJoinPool(1);
685	<	StringTask t = null;
686	<	Future<String> future = e.submit(t);
569	>	Future<String> future = e.submit((Callable) null);
570		shouldThrow();
571	<	}
572	<	catch (NullPointerException success) {
573	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
571	>	} catch (NullPointerException success) {
572	>	} finally {
573	>	joinPool(e);
574		}
575		}
576
696	–
577		/**
578	<	* Blocking on submit(callable) throws InterruptedException if
699	<	* caller interrupted.
578	>	* submit(callable).get() throws InterruptedException if interrupted
579		*/
580	<	public void testInterruptedSubmit() {
581	<	final ForkJoinPool p = new ForkJoinPool(1);
582	<	Thread t = new Thread(new Runnable() {
583	<	public void run() {
584	<	try {
585	<	p.submit(new Callable<Object>() {
586	<	public Object call() {
587	<	try {
588	<	Thread.sleep(MEDIUM_DELAY_MS);
589	<	shouldThrow();
590	<	} catch (InterruptedException e) {
591	<	}
592	<	return null;
593	<	}
594	<	}).get();
595	<	} catch (InterruptedException success) {
717	<	} catch (Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
580	>	public void testInterruptedSubmit() throws InterruptedException {
581	>	final CountDownLatch submitted    = new CountDownLatch(1);
582	>	final CountDownLatch quittingTime = new CountDownLatch(1);
583	>	final ExecutorService p = new ForkJoinPool(1);
584	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
585	>	public Void realCall() throws InterruptedException {
586	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
587	>	return null;
588	>	}};
589	>	try {
590	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
591	>	public void realRun() throws Exception {
592	>	Future<Void> future = p.submit(awaiter);
593	>	submitted.countDown();
594	>	future.get();
595	>	}});
596		t.start();
597	<	Thread.sleep(SHORT_DELAY_MS);
597	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
598		t.interrupt();
599	<	} catch (Exception e) {
600	<	unexpectedException();
599	>	t.join();
600	>	} finally {
601	>	quittingTime.countDown();
602	>	joinPool(p);
603		}
730	–	joinPool(p);
604		}
605
606		/**
607		* get of submit(callable) throws ExecutionException if callable
608		* throws exception
609		*/
610	<	public void testSubmitEE() {
610	>	public void testSubmitEE() throws Throwable {
611		ForkJoinPool p = new ForkJoinPool(1);
739	–
612		try {
613	<	Callable c = new Callable() {
614	<	public Object call() {
615	<	int i = 5/0;
744	<	return Boolean.TRUE;
745	<	}
746	<	};
747	<
748	<	for (int i = 0; i < 5; i++) {
749	<	p.submit(c).get();
750	<	}
751	<
613	>	p.submit(new Callable() {
614	>	public Object call() { throw new ArithmeticException(); }})
615	>	.get();
616		shouldThrow();
617		} catch (ExecutionException success) {
618	<	} catch (CancellationException success) {
619	<	} catch (Exception e) {
620	<	unexpectedException();
618	>	assertTrue(success.getCause() instanceof ArithmeticException);
619	>	} finally {
620	>	joinPool(p);
621		}
758	–	joinPool(p);
622		}
623
624		/**
625	<	* invokeAny(null) throws NPE
625	>	* invokeAny(null) throws NullPointerException
626		*/
627	<	public void testInvokeAny1() {
627	>	public void testInvokeAny1() throws Throwable {
628		ExecutorService e = new ForkJoinPool(1);
629		try {
630		e.invokeAny(null);
631	+	shouldThrow();
632		} catch (NullPointerException success) {
769	–	} catch (Exception ex) {
770	–	unexpectedException();
633		} finally {
634		joinPool(e);
635		}
636		}
637
638		/**
639	<	* invokeAny(empty collection) throws IAE
639	>	* invokeAny(empty collection) throws IllegalArgumentException
640		*/
641	<	public void testInvokeAny2() {
641	>	public void testInvokeAny2() throws Throwable {
642		ExecutorService e = new ForkJoinPool(1);
643		try {
644		e.invokeAny(new ArrayList<Callable<String>>());
645	+	shouldThrow();
646		} catch (IllegalArgumentException success) {
784	–	} catch (Exception ex) {
785	–	unexpectedException();
647		} finally {
648		joinPool(e);
649		}
650		}
651
652		/**
653	<	* invokeAny(c) throws NPE if c has null elements
653	>	* invokeAny(c) throws NullPointerException if c has a single null element
654		*/
655	<	public void testInvokeAny3() {
655	>	public void testInvokeAny3() throws Throwable {
656		ExecutorService e = new ForkJoinPool(1);
657	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
658	+	l.add(null);
659	+	try {
660	+	e.invokeAny(l);
661	+	shouldThrow();
662	+	} catch (NullPointerException success) {
663	+	} finally {
664	+	joinPool(e);
665	+	}
666	+	}
667	+
668	+	/**
669	+	* invokeAny(c) throws NullPointerException if c has null elements
670	+	*/
671	+	public void testInvokeAny4() throws Throwable {
672	+	CountDownLatch latch = new CountDownLatch(1);
673	+	ExecutorService e = new ForkJoinPool(1);
674	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
675	+	l.add(latchAwaitingStringTask(latch));
676	+	l.add(null);
677		try {
797	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
798	–	l.add(new StringTask());
799	–	l.add(null);
678		e.invokeAny(l);
679	+	shouldThrow();
680		} catch (NullPointerException success) {
802	–	} catch (Exception ex) {
803	–	ex.printStackTrace();
804	–	unexpectedException();
681		} finally {
682	+	latch.countDown();
683		joinPool(e);
684		}
685		}
#	Line 810 | Line 687 | public class ForkJoinPoolTest extends JS
687		/**
688		* invokeAny(c) throws ExecutionException if no task in c completes
689		*/
690	<	public void testInvokeAny4() {
690	>	public void testInvokeAny5() throws Throwable {
691		ExecutorService e = new ForkJoinPool(1);
692	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
693	+	l.add(new NPETask());
694		try {
816	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
817	–	l.add(new NPETask());
695		e.invokeAny(l);
696	+	shouldThrow();
697		} catch (ExecutionException success) {
698	<	} catch (CancellationException success) {
821	<	} catch (Exception ex) {
822	<	unexpectedException();
698	>	assertTrue(success.getCause() instanceof NullPointerException);
699		} finally {
700		joinPool(e);
701		}
#	Line 828 | Line 704 | public class ForkJoinPoolTest extends JS
704		/**
705		* invokeAny(c) returns result of some task in c if at least one completes
706		*/
707	<	public void testInvokeAny5() {
707	>	public void testInvokeAny6() throws Throwable {
708		ExecutorService e = new ForkJoinPool(1);
709		try {
710	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
710	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
711		l.add(new StringTask());
712		l.add(new StringTask());
713		String result = e.invokeAny(l);
714		assertSame(TEST_STRING, result);
839	–	} catch (ExecutionException success) {
840	–	} catch (CancellationException success) {
841	–	} catch (Exception ex) {
842	–	unexpectedException();
715		} finally {
716		joinPool(e);
717		}
718		}
719
720		/**
721	<	* invokeAll(null) throws NPE
721	>	* invokeAll(null) throws NullPointerException
722		*/
723	<	public void testInvokeAll1() {
723	>	public void testInvokeAll1() throws Throwable {
724		ExecutorService e = new ForkJoinPool(1);
725		try {
726		e.invokeAll(null);
727	+	shouldThrow();
728		} catch (NullPointerException success) {
856	–	} catch (Exception ex) {
857	–	unexpectedException();
729		} finally {
730		joinPool(e);
731		}
#	Line 863 | Line 734 | public class ForkJoinPoolTest extends JS
734		/**
735		* invokeAll(empty collection) returns empty collection
736		*/
737	<	public void testInvokeAll2() {
737	>	public void testInvokeAll2() throws InterruptedException {
738		ExecutorService e = new ForkJoinPool(1);
739		try {
740	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
740	>	List<Future<String>> r
741	>	= e.invokeAll(new ArrayList<Callable<String>>());
742		assertTrue(r.isEmpty());
871	–	} catch (Exception ex) {
872	–	unexpectedException();
743		} finally {
744		joinPool(e);
745		}
746		}
747
748		/**
749	<	* invokeAll(c) throws NPE if c has null elements
749	>	* invokeAll(c) throws NullPointerException if c has null elements
750		*/
751	<	public void testInvokeAll3() {
751	>	public void testInvokeAll3() throws InterruptedException {
752		ExecutorService e = new ForkJoinPool(1);
753	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
754	+	l.add(new StringTask());
755	+	l.add(null);
756		try {
884	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
885	–	l.add(new StringTask());
886	–	l.add(null);
757		e.invokeAll(l);
758	+	shouldThrow();
759		} catch (NullPointerException success) {
889	–	} catch (Exception ex) {
890	–	unexpectedException();
760		} finally {
761		joinPool(e);
762		}
763		}
764
765		/**
766	<	* get of returned element of invokeAll(c) throws exception on failed task
766	>	* get of returned element of invokeAll(c) throws
767	>	* ExecutionException on failed task
768		*/
769	<	public void testInvokeAll4() {
769	>	public void testInvokeAll4() throws Throwable {
770		ExecutorService e = new ForkJoinPool(1);
771	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
772	+	l.add(new NPETask());
773	+	List<Future<String>> futures = e.invokeAll(l);
774	+	assertEquals(1, futures.size());
775		try {
776	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
777	<	l.add(new NPETask());
904	<	List<Future<String>> result = e.invokeAll(l);
905	<	assertEquals(1, result.size());
906	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
907	<	it.next().get();
776	>	futures.get(0).get();
777	>	shouldThrow();
778		} catch (ExecutionException success) {
779	<	} catch (CancellationException success) {
910	<	} catch (Exception ex) {
911	<	ex.printStackTrace();
912	<	unexpectedException();
779	>	assertTrue(success.getCause() instanceof NullPointerException);
780		} finally {
781		joinPool(e);
782		}
#	Line 918 | Line 785 | public class ForkJoinPoolTest extends JS
785		/**
786		* invokeAll(c) returns results of all completed tasks in c
787		*/
788	<	public void testInvokeAll5() {
788	>	public void testInvokeAll5() throws Throwable {
789		ExecutorService e = new ForkJoinPool(1);
790		try {
791	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
791	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
792		l.add(new StringTask());
793		l.add(new StringTask());
794	<	List<Future<String>> result = e.invokeAll(l);
795	<	assertEquals(2, result.size());
796	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
797	<	assertSame(TEST_STRING, it.next().get());
931	<	} catch (ExecutionException success) {
932	<	} catch (CancellationException success) {
933	<	} catch (Exception ex) {
934	<	ex.printStackTrace();
935	<	unexpectedException();
794	>	List<Future<String>> futures = e.invokeAll(l);
795	>	assertEquals(2, futures.size());
796	>	for (Future<String> future : futures)
797	>	assertSame(TEST_STRING, future.get());
798		} finally {
799		joinPool(e);
800		}
801		}
802
941	–
803		/**
804	<	* timed invokeAny(null) throws NPE
804	>	* timed invokeAny(null) throws NullPointerException
805		*/
806	<	public void testTimedInvokeAny1() {
806	>	public void testTimedInvokeAny1() throws Throwable {
807		ExecutorService e = new ForkJoinPool(1);
808		try {
809	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
809	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
810	>	shouldThrow();
811		} catch (NullPointerException success) {
950	–	} catch (Exception ex) {
951	–	ex.printStackTrace();
952	–	unexpectedException();
812		} finally {
813		joinPool(e);
814		}
815		}
816
817		/**
818	<	* timed invokeAny(null time unit) throws NPE
818	>	* timed invokeAny(null time unit) throws NullPointerException
819		*/
820	<	public void testTimedInvokeAnyNullTimeUnit() {
820	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
821		ExecutorService e = new ForkJoinPool(1);
822	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
823	+	l.add(new StringTask());
824		try {
964	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
965	–	l.add(new StringTask());
825		e.invokeAny(l, MEDIUM_DELAY_MS, null);
826	+	shouldThrow();
827		} catch (NullPointerException success) {
968	–	} catch (Exception ex) {
969	–	ex.printStackTrace();
970	–	unexpectedException();
828		} finally {
829		joinPool(e);
830		}
831		}
832
833		/**
834	<	* timed invokeAny(empty collection) throws IAE
834	>	* timed invokeAny(empty collection) throws IllegalArgumentException
835		*/
836	<	public void testTimedInvokeAny2() {
836	>	public void testTimedInvokeAny2() throws Throwable {
837		ExecutorService e = new ForkJoinPool(1);
838		try {
839	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
839	>	e.invokeAny(new ArrayList<Callable<String>>(),
840	>	MEDIUM_DELAY_MS, MILLISECONDS);
841	>	shouldThrow();
842		} catch (IllegalArgumentException success) {
984	–	} catch (Exception ex) {
985	–	ex.printStackTrace();
986	–	unexpectedException();
843		} finally {
844		joinPool(e);
845		}
846		}
847
848		/**
849	<	* timed invokeAny(c) throws NPE if c has null elements
849	>	* timed invokeAny(c) throws NullPointerException if c has null elements
850		*/
851	<	public void testTimedInvokeAny3() {
851	>	public void testTimedInvokeAny3() throws Throwable {
852	>	CountDownLatch latch = new CountDownLatch(1);
853		ExecutorService e = new ForkJoinPool(1);
854	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
855	+	l.add(latchAwaitingStringTask(latch));
856	+	l.add(null);
857		try {
858	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
859	<	l.add(new StringTask());
1000	<	l.add(null);
1001	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
858	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
859	>	shouldThrow();
860		} catch (NullPointerException success) {
1003	–	} catch (Exception ex) {
1004	–	ex.printStackTrace();
1005	–	unexpectedException();
861		} finally {
862	+	latch.countDown();
863		joinPool(e);
864		}
865		}
#	Line 1011 | Line 867 | public class ForkJoinPoolTest extends JS
867		/**
868		* timed invokeAny(c) throws ExecutionException if no task completes
869		*/
870	<	public void testTimedInvokeAny4() {
870	>	public void testTimedInvokeAny4() throws Throwable {
871		ExecutorService e = new ForkJoinPool(1);
872	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
873	+	l.add(new NPETask());
874		try {
875	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
876	<	l.add(new NPETask());
1019	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
875	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
876	>	shouldThrow();
877		} catch (ExecutionException success) {
878	<	} catch (CancellationException success) {
1022	<	} catch (Exception ex) {
1023	<	ex.printStackTrace();
1024	<	unexpectedException();
878	>	assertTrue(success.getCause() instanceof NullPointerException);
879		} finally {
880		joinPool(e);
881		}
#	Line 1030 | Line 884 | public class ForkJoinPoolTest extends JS
884		/**
885		* timed invokeAny(c) returns result of some task in c
886		*/
887	<	public void testTimedInvokeAny5() {
887	>	public void testTimedInvokeAny5() throws Throwable {
888		ExecutorService e = new ForkJoinPool(1);
889		try {
890	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
890	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
891		l.add(new StringTask());
892		l.add(new StringTask());
893	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
893	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
894		assertSame(TEST_STRING, result);
1041	–	} catch (ExecutionException success) {
1042	–	} catch (CancellationException success) {
1043	–	} catch (Exception ex) {
1044	–	ex.printStackTrace();
1045	–	unexpectedException();
895		} finally {
896		joinPool(e);
897		}
898		}
899
900		/**
901	<	* timed invokeAll(null) throws NPE
901	>	* timed invokeAll(null) throws NullPointerException
902		*/
903	<	public void testTimedInvokeAll1() {
903	>	public void testTimedInvokeAll1() throws Throwable {
904		ExecutorService e = new ForkJoinPool(1);
905		try {
906	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
906	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
907	>	shouldThrow();
908		} catch (NullPointerException success) {
1059	–	} catch (Exception ex) {
1060	–	ex.printStackTrace();
1061	–	unexpectedException();
909		} finally {
910		joinPool(e);
911		}
912		}
913
914		/**
915	<	* timed invokeAll(null time unit) throws NPE
915	>	* timed invokeAll(null time unit) throws NullPointerException
916		*/
917	<	public void testTimedInvokeAllNullTimeUnit() {
917	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
918		ExecutorService e = new ForkJoinPool(1);
919	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
920	+	l.add(new StringTask());
921		try {
1073	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1074	–	l.add(new StringTask());
922		e.invokeAll(l, MEDIUM_DELAY_MS, null);
923	+	shouldThrow();
924		} catch (NullPointerException success) {
1077	–	} catch (Exception ex) {
1078	–	ex.printStackTrace();
1079	–	unexpectedException();
925		} finally {
926		joinPool(e);
927		}
#	Line 1085 | Line 930 | public class ForkJoinPoolTest extends JS
930		/**
931		* timed invokeAll(empty collection) returns empty collection
932		*/
933	<	public void testTimedInvokeAll2() {
933	>	public void testTimedInvokeAll2() throws InterruptedException {
934		ExecutorService e = new ForkJoinPool(1);
935		try {
936	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
936	>	List<Future<String>> r
937	>	= e.invokeAll(new ArrayList<Callable<String>>(),
938	>	MEDIUM_DELAY_MS, MILLISECONDS);
939		assertTrue(r.isEmpty());
1093	–	} catch (Exception ex) {
1094	–	ex.printStackTrace();
1095	–	unexpectedException();
940		} finally {
941		joinPool(e);
942		}
943		}
944
945		/**
946	<	* timed invokeAll(c) throws NPE if c has null elements
946	>	* timed invokeAll(c) throws NullPointerException if c has null elements
947		*/
948	<	public void testTimedInvokeAll3() {
948	>	public void testTimedInvokeAll3() throws InterruptedException {
949		ExecutorService e = new ForkJoinPool(1);
950	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
951	+	l.add(new StringTask());
952	+	l.add(null);
953		try {
954	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
955	<	l.add(new StringTask());
1109	<	l.add(null);
1110	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
954	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
955	>	shouldThrow();
956		} catch (NullPointerException success) {
1112	–	} catch (Exception ex) {
1113	–	ex.printStackTrace();
1114	–	unexpectedException();
957		} finally {
958		joinPool(e);
959		}
#	Line 1120 | Line 962 | public class ForkJoinPoolTest extends JS
962		/**
963		* get of returned element of invokeAll(c) throws exception on failed task
964		*/
965	<	public void testTimedInvokeAll4() {
965	>	public void testTimedInvokeAll4() throws Throwable {
966		ExecutorService e = new ForkJoinPool(1);
967	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
968	+	l.add(new NPETask());
969	+	List<Future<String>> futures
970	+	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
971	+	assertEquals(1, futures.size());
972		try {
973	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
974	<	l.add(new NPETask());
1128	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1129	<	assertEquals(1, result.size());
1130	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1131	<	it.next().get();
973	>	futures.get(0).get();
974	>	shouldThrow();
975		} catch (ExecutionException success) {
976	<	} catch (CancellationException success) {
1134	<	} catch (Exception ex) {
1135	<	ex.printStackTrace();
1136	<	unexpectedException();
976	>	assertTrue(success.getCause() instanceof NullPointerException);
977		} finally {
978		joinPool(e);
979		}
#	Line 1142 | Line 982 | public class ForkJoinPoolTest extends JS
982		/**
983		* timed invokeAll(c) returns results of all completed tasks in c
984		*/
985	<	public void testTimedInvokeAll5() {
985	>	public void testTimedInvokeAll5() throws Throwable {
986		ExecutorService e = new ForkJoinPool(1);
987		try {
988	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
988	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
989		l.add(new StringTask());
990		l.add(new StringTask());
991	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
992	<	assertEquals(2, result.size());
993	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
994	<	assertSame(TEST_STRING, it.next().get());
995	<	} catch (ExecutionException success) {
1156	<	} catch (CancellationException success) {
1157	<	} catch (Exception ex) {
1158	<	ex.printStackTrace();
1159	<	unexpectedException();
991	>	List<Future<String>> futures
992	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
993	>	assertEquals(2, futures.size());
994	>	for (Future<String> future : futures)
995	>	assertSame(TEST_STRING, future.get());
996		} finally {
997		joinPool(e);
998		}

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