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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.13 by jsr166, Thu Nov 26 15:42:15 2009 UTC vs.
Revision 1.40 by jsr166, Sun May 15 17:32:29 2011 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.*;
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.locks.ReentrantLock;
26		import static java.util.concurrent.TimeUnit.MILLISECONDS;
27	<	import java.util.concurrent.locks.*;
28	<	import java.security.*;
27	>	import java.security.AccessControlException;
28	>	import java.security.Policy;
29	>	import java.security.PrivilegedAction;
30	>	import java.security.PrivilegedExceptionAction;
31
32		public class ForkJoinPoolTest extends JSR166TestCase {
33		public static void main(String[] args) {
34	<	junit.textui.TestRunner.run (suite());
34	>	junit.textui.TestRunner.run(suite());
35		}
36	+
37		public static Test suite() {
38		return new TestSuite(ForkJoinPoolTest.class);
39		}
#	Line 39 | Line 57 | public class ForkJoinPoolTest extends JS
57		// Some classes to test extension and factory methods
58
59		static class MyHandler implements Thread.UncaughtExceptionHandler {
60	<	int catches = 0;
60	>	volatile int catches = 0;
61		public void uncaughtException(Thread t, Throwable e) {
62		++catches;
63		}
#	Line 48 | Line 66 | public class ForkJoinPoolTest extends JS
66		// to test handlers
67		static class FailingFJWSubclass extends ForkJoinWorkerThread {
68		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
69	<	protected void onStart() { throw new Error(); }
69	>	protected void onStart() { super.onStart(); throw new Error(); }
70		}
71
72		static class FailingThreadFactory
73		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
74	<	int calls = 0;
74	>	volatile int calls = 0;
75		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
76		if (++calls > 1) return null;
77		return new FailingFJWSubclass(p);
#	Line 142 | Line 160 | public class ForkJoinPoolTest extends JS
160		* tasks, and quiescent running state.
161		*/
162		public void testDefaultInitialState() {
163	<	ForkJoinPool p = null;
163	>	ForkJoinPool p = new ForkJoinPool(1);
164		try {
165	<	p = new ForkJoinPool(1);
166	<	assertTrue(p.getFactory() ==
149	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
150	<	assertTrue(p.isQuiescent());
151	<	assertTrue(p.getMaintainsParallelism());
165	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
166	>	p.getFactory());
167		assertFalse(p.getAsyncMode());
168	<	assertTrue(p.getActiveThreadCount() == 0);
169	<	assertTrue(p.getStealCount() == 0);
170	<	assertTrue(p.getQueuedTaskCount() == 0);
171	<	assertTrue(p.getQueuedSubmissionCount() == 0);
168	>	assertEquals(0, p.getActiveThreadCount());
169	>	assertEquals(0, p.getStealCount());
170	>	assertEquals(0, p.getQueuedTaskCount());
171	>	assertEquals(0, p.getQueuedSubmissionCount());
172		assertFalse(p.hasQueuedSubmissions());
173		assertFalse(p.isShutdown());
174		assertFalse(p.isTerminating());
#	Line 178 | Line 193 | public class ForkJoinPoolTest extends JS
193		*/
194		public void testConstructor2() {
195		try {
196	<	new ForkJoinPool(1, null);
196	>	new ForkJoinPool(1, null, null, false);
197		shouldThrow();
198		} catch (NullPointerException success) {}
199		}
#	Line 188 | Line 203 | public class ForkJoinPoolTest extends JS
203		* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206	<	ForkJoinPool p = null;
192	<	try {
193	<	p = new ForkJoinPool(1);
194	<	assertTrue(p.getParallelism() == 1);
195	<	} finally {
196	<	joinPool(p);
197	<	}
198	<	}
199	<
200	<	/**
201	<	* setParallelism changes reported parallelism level.
202	<	*/
203	<	public void testSetParallelism() {
204	<	ForkJoinPool p = null;
205	<	try {
206	<	p = new ForkJoinPool(1);
207	<	assertTrue(p.getParallelism() == 1);
208	<	p.setParallelism(2);
209	<	assertTrue(p.getParallelism() == 2);
210	<	} finally {
211	<	joinPool(p);
212	<	}
213	<	}
214	<
215	<	/**
216	<	* setParallelism with argument <= 0 throws exception
217	<	*/
218	<	public void testSetParallelism2() {
219	<	ForkJoinPool p = null;
206	>	ForkJoinPool p = new ForkJoinPool(1);
207		try {
208	<	p = new ForkJoinPool(1);
222	<	assertTrue(p.getParallelism() == 1);
223	<	p.setParallelism(-2);
224	<	shouldThrow();
225	<	} catch (IllegalArgumentException success) {
208	>	assertEquals(1, p.getParallelism());
209		} finally {
210		joinPool(p);
211		}
#	Line 232 | Line 215 | public class ForkJoinPoolTest extends JS
215		* getPoolSize returns number of started workers.
216		*/
217		public void testGetPoolSize() {
218	<	ForkJoinPool p = null;
218	>	ForkJoinPool p = new ForkJoinPool(1);
219		try {
220	<	p = new ForkJoinPool(1);
238	<	assertTrue(p.getPoolSize() == 0);
220	>	assertEquals(0, p.getActiveThreadCount());
221		Future<String> future = p.submit(new StringTask());
222	<	assertTrue(p.getPoolSize() == 1);
241	<
242	<	} finally {
243	<	joinPool(p);
244	<	}
245	<	}
246	<
247	<	/**
248	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
249	<	*/
250	<	public void testSetMaximumPoolSize() {
251	<	ForkJoinPool p = null;
252	<	try {
253	<	p = new ForkJoinPool(1);
254	<	p.setMaximumPoolSize(2);
255	<	assertTrue(p.getMaximumPoolSize() == 2);
256	<	} finally {
257	<	joinPool(p);
258	<	}
259	<	}
260	<
261	<	/**
262	<	* setMaximumPoolSize with argument <= 0 throws exception
263	<	*/
264	<	public void testSetMaximumPoolSize2() {
265	<	ForkJoinPool p = null;
266	<	try {
267	<	p = new ForkJoinPool(1);
268	<	p.setMaximumPoolSize(-2);
269	<	shouldThrow();
270	<	} catch (IllegalArgumentException success) {
271	<	} finally {
272	<	joinPool(p);
273	<	}
274	<	}
275	<
276	<	/**
277	<	* setMaintainsParallelism changes policy reported by
278	<	* getMaintainsParallelism.
279	<	*/
280	<	public void testSetMaintainsParallelism() {
281	<	ForkJoinPool p = null;
282	<	try {
283	<	p = new ForkJoinPool(1);
284	<	p.setMaintainsParallelism(false);
285	<	assertFalse(p.getMaintainsParallelism());
286	<	} finally {
287	<	joinPool(p);
288	<	}
289	<	}
290	<
291	<	/**
292	<	* setAsyncMode changes policy reported by
293	<	* getAsyncMode.
294	<	*/
295	<	public void testSetAsyncMode() {
296	<	ForkJoinPool p = null;
297	<	try {
298	<	p = new ForkJoinPool(1);
299	<	p.setAsyncMode(true);
300	<	assertTrue(p.getAsyncMode());
222	>	assertEquals(1, p.getPoolSize());
223		} finally {
224		joinPool(p);
225		}
#	Line 310 | Line 232 | public class ForkJoinPoolTest extends JS
232		* performs its defined action
233		*/
234		public void testSetUncaughtExceptionHandler() throws InterruptedException {
235	<	ForkJoinPool p = null;
235	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
236	>	final Thread.UncaughtExceptionHandler eh =
237	>	new Thread.UncaughtExceptionHandler() {
238	>	public void uncaughtException(Thread t, Throwable e) {
239	>	uehInvoked.countDown();
240	>	}};
241	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
242	>	eh, false);
243		try {
244	<	p = new ForkJoinPool(1, new FailingThreadFactory());
245	<	MyHandler eh = new MyHandler();
246	<	p.setUncaughtExceptionHandler(eh);
318	<	assertEquals(eh, p.getUncaughtExceptionHandler());
319	<	p.execute(new FailingTask());
320	<	Thread.sleep(MEDIUM_DELAY_MS);
321	<	assertTrue(eh.catches > 0);
244	>	assertSame(eh, p.getUncaughtExceptionHandler());
245	>	p.execute(new FibTask(8));
246	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
247		} finally {
248	+	p.shutdownNow(); // failure might have prevented processing task
249		joinPool(p);
250		}
251		}
252
253		/**
254	<	* setUncaughtExceptionHandler of null removes handler
254	>	* After invoking a single task, isQuiescent eventually becomes
255	>	* true, at which time queues are empty, threads are not active,
256	>	* the task has completed successfully, and construction
257	>	* parameters continue to hold
258		*/
259	<	public void testSetUncaughtExceptionHandler2() {
260	<	ForkJoinPool p = null;
259	>	public void testisQuiescent() throws Exception {
260	>	ForkJoinPool p = new ForkJoinPool(2);
261		try {
262	<	p = new ForkJoinPool(1);
263	<	p.setUncaughtExceptionHandler(null);
264	<	assertNull(p.getUncaughtExceptionHandler());
265	<	} finally {
266	<	joinPool(p);
267	<	}
268	<	}
269	<
262	>	assertTrue(p.isQuiescent());
263	>	long startTime = System.nanoTime();
264	>	FibTask f = new FibTask(20);
265	>	p.invoke(f);
266	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
267	>	p.getFactory());
268	>	while (! p.isQuiescent()) {
269	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
270	>	throw new AssertionFailedError("timed out");
271	>	assertFalse(p.getAsyncMode());
272	>	assertFalse(p.isShutdown());
273	>	assertFalse(p.isTerminating());
274	>	assertFalse(p.isTerminated());
275	>	Thread.yield();
276	>	}
277
342	–	/**
343	–	* After invoking a single task, isQuiescent is true,
344	–	* queues are empty, threads are not active, and
345	–	* construction parameters continue to hold
346	–	*/
347	–	public void testisQuiescent() throws InterruptedException {
348	–	ForkJoinPool p = null;
349	–	try {
350	–	p = new ForkJoinPool(2);
351	–	p.invoke(new FibTask(20));
352	–	assertTrue(p.getFactory() ==
353	–	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
354	–	Thread.sleep(MEDIUM_DELAY_MS);
278		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
279		assertFalse(p.getAsyncMode());
280	<	assertTrue(p.getActiveThreadCount() == 0);
281	<	assertTrue(p.getQueuedTaskCount() == 0);
282	<	assertTrue(p.getQueuedSubmissionCount() == 0);
280	>	assertEquals(0, p.getActiveThreadCount());
281	>	assertEquals(0, p.getQueuedTaskCount());
282	>	assertEquals(0, p.getQueuedSubmissionCount());
283		assertFalse(p.hasQueuedSubmissions());
284		assertFalse(p.isShutdown());
285		assertFalse(p.isTerminating());
286		assertFalse(p.isTerminated());
287	+	assertTrue(f.isDone());
288	+	assertEquals(6765, (int) f.get());
289		} finally {
290		joinPool(p);
291		}
#	Line 371 | Line 295 | public class ForkJoinPoolTest extends JS
295		* Completed submit(ForkJoinTask) returns result
296		*/
297		public void testSubmitForkJoinTask() throws Throwable {
298	<	ForkJoinPool p = null;
298	>	ForkJoinPool p = new ForkJoinPool(1);
299		try {
376	–	p = new ForkJoinPool(1);
300		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
301	<	int r = f.get();
379	<	assertTrue(r == 21);
301	>	assertEquals(21, (int) f.get());
302		} finally {
303		joinPool(p);
304		}
#	Line 386 | Line 308 | public class ForkJoinPoolTest extends JS
308		* A task submitted after shutdown is rejected
309		*/
310		public void testSubmitAfterShutdown() {
311	<	ForkJoinPool p = null;
311	>	ForkJoinPool p = new ForkJoinPool(1);
312		try {
391	–	p = new ForkJoinPool(1);
313		p.shutdown();
314		assertTrue(p.isShutdown());
315	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
316	<	shouldThrow();
317	<	} catch (RejectedExecutionException success) {
315	>	try {
316	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
317	>	shouldThrow();
318	>	} catch (RejectedExecutionException success) {}
319		} finally {
320		joinPool(p);
321		}
#	Line 403 | Line 325 | public class ForkJoinPoolTest extends JS
325		* Pool maintains parallelism when using ManagedBlocker
326		*/
327		public void testBlockingForkJoinTask() throws Throwable {
328	<	ForkJoinPool p = null;
328	>	ForkJoinPool p = new ForkJoinPool(4);
329		try {
408	–	p = new ForkJoinPool(4);
330		ReentrantLock lock = new ReentrantLock();
331		ManagedLocker locker = new ManagedLocker(lock);
332	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
332	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
333		p.execute(f);
334	<	assertTrue(p.getPoolSize() >= 4);
414	<	int r = f.get();
415	<	assertTrue(r ==  832040);
334	>	assertEquals(6765, (int) f.get());
335		} finally {
336		p.shutdownNow(); // don't wait out shutdown
337		}
#	Line 422 | Line 341 | public class ForkJoinPoolTest extends JS
341		* pollSubmission returns unexecuted submitted task, if present
342		*/
343		public void testPollSubmission() {
344	<	SubFJP p = null;
344	>	final CountDownLatch done = new CountDownLatch(1);
345	>	SubFJP p = new SubFJP();
346		try {
347	<	p = new SubFJP();
348	<	ForkJoinTask a = p.submit(new MediumRunnable());
349	<	ForkJoinTask b = p.submit(new MediumRunnable());
430	<	ForkJoinTask c = p.submit(new MediumRunnable());
347	>	ForkJoinTask a = p.submit(awaiter(done));
348	>	ForkJoinTask b = p.submit(awaiter(done));
349	>	ForkJoinTask c = p.submit(awaiter(done));
350		ForkJoinTask r = p.pollSubmission();
351		assertTrue(r == a || r == b || r == c);
352		assertFalse(r.isDone());
353		} finally {
354	+	done.countDown();
355		joinPool(p);
356		}
357		}
#	Line 440 | Line 360 | public class ForkJoinPoolTest extends JS
360		* drainTasksTo transfers unexecuted submitted tasks, if present
361		*/
362		public void testDrainTasksTo() {
363	<	SubFJP p = null;
363	>	final CountDownLatch done = new CountDownLatch(1);
364	>	SubFJP p = new SubFJP();
365		try {
366	<	p = new SubFJP();
367	<	ForkJoinTask a = p.submit(new MediumRunnable());
368	<	ForkJoinTask b = p.submit(new MediumRunnable());
448	<	ForkJoinTask c = p.submit(new MediumRunnable());
366	>	ForkJoinTask a = p.submit(awaiter(done));
367	>	ForkJoinTask b = p.submit(awaiter(done));
368	>	ForkJoinTask c = p.submit(awaiter(done));
369		ArrayList<ForkJoinTask> al = new ArrayList();
370		p.drainTasksTo(al);
371		assertTrue(al.size() > 0);
#	Line 454 | Line 374 | public class ForkJoinPoolTest extends JS
374		assertFalse(r.isDone());
375		}
376		} finally {
377	+	done.countDown();
378		joinPool(p);
379		}
380		}
#	Line 466 | Line 387 | public class ForkJoinPoolTest extends JS
387		*/
388		public void testExecuteRunnable() throws Throwable {
389		ExecutorService e = new ForkJoinPool(1);
390	<	TrackedShortRunnable task = new TrackedShortRunnable();
391	<	assertFalse(task.done);
392	<	Future<?> future = e.submit(task);
393	<	future.get();
394	<	assertTrue(task.done);
390	>	try {
391	>	TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
392	>	assertFalse(task.isDone());
393	>	Future<?> future = e.submit(task);
394	>	assertNull(future.get());
395	>	assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
396	>	assertTrue(task.isDone());
397	>	assertTrue(future.isDone());
398	>	assertFalse(future.isCancelled());
399	>	} finally {
400	>	joinPool(e);
401	>	}
402		}
403
404
#	Line 479 | Line 407 | public class ForkJoinPoolTest extends JS
407		*/
408		public void testSubmitCallable() throws Throwable {
409		ExecutorService e = new ForkJoinPool(1);
410	<	Future<String> future = e.submit(new StringTask());
411	<	String result = future.get();
412	<	assertSame(TEST_STRING, result);
410	>	try {
411	>	Future<String> future = e.submit(new StringTask());
412	>	assertSame(TEST_STRING, future.get());
413	>	assertTrue(future.isDone());
414	>	assertFalse(future.isCancelled());
415	>	} finally {
416	>	joinPool(e);
417	>	}
418		}
419
420		/**
#	Line 489 | Line 422 | public class ForkJoinPoolTest extends JS
422		*/
423		public void testSubmitRunnable() throws Throwable {
424		ExecutorService e = new ForkJoinPool(1);
425	<	Future<?> future = e.submit(new NoOpRunnable());
426	<	future.get();
427	<	assertTrue(future.isDone());
425	>	try {
426	>	Future<?> future = e.submit(new NoOpRunnable());
427	>	assertNull(future.get());
428	>	assertTrue(future.isDone());
429	>	assertFalse(future.isCancelled());
430	>	} finally {
431	>	joinPool(e);
432	>	}
433		}
434
435		/**
#	Line 499 | Line 437 | public class ForkJoinPoolTest extends JS
437		*/
438		public void testSubmitRunnable2() throws Throwable {
439		ExecutorService e = new ForkJoinPool(1);
440	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
441	<	String result = future.get();
442	<	assertSame(TEST_STRING, result);
440	>	try {
441	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
442	>	assertSame(TEST_STRING, future.get());
443	>	assertTrue(future.isDone());
444	>	assertFalse(future.isCancelled());
445	>	} finally {
446	>	joinPool(e);
447	>	}
448		}
449
507	–
450		/**
451	<	* A submitted privileged action to completion
451	>	* A submitted privileged action runs to completion
452		*/
453	<	public void testSubmitPrivilegedAction() throws Throwable {
454	<	Policy savedPolicy = null;
455	<	try {
456	<	savedPolicy = Policy.getPolicy();
457	<	AdjustablePolicy policy = new AdjustablePolicy();
516	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
517	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
518	<	Policy.setPolicy(policy);
519	<	} catch (AccessControlException ok) {
520	<	return;
521	<	}
522	<	try {
523	<	ExecutorService e = new ForkJoinPool(1);
524	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
453	>	public void testSubmitPrivilegedAction() throws Exception {
454	>	Runnable r = new CheckedRunnable() {
455	>	public void realRun() throws Exception {
456	>	ExecutorService e = new ForkJoinPool(1);
457	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
458		public Object run() {
459		return TEST_STRING;
460		}}));
461
462	<	Object result = future.get();
463	<	assertSame(TEST_STRING, result);
464	<	}
465	<	finally {
466	<	Policy.setPolicy(savedPolicy);
534	<	}
462	>	assertSame(TEST_STRING, future.get());
463	>	}};
464	>
465	>	runWithPermissions(r,
466	>	new RuntimePermission("modifyThread"));
467		}
468
469		/**
470	<	* A submitted a privileged exception action runs to completion
470	>	* A submitted privileged exception action runs to completion
471		*/
472	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
473	<	Policy savedPolicy = null;
474	<	try {
475	<	savedPolicy = Policy.getPolicy();
476	<	AdjustablePolicy policy = new AdjustablePolicy();
545	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
546	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
547	<	Policy.setPolicy(policy);
548	<	} catch (AccessControlException ok) {
549	<	return;
550	<	}
551	<
552	<	try {
553	<	ExecutorService e = new ForkJoinPool(1);
554	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
472	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
473	>	Runnable r = new CheckedRunnable() {
474	>	public void realRun() throws Exception {
475	>	ExecutorService e = new ForkJoinPool(1);
476	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
477		public Object run() {
478		return TEST_STRING;
479		}}));
480
481	<	Object result = future.get();
482	<	assertSame(TEST_STRING, result);
483	<	}
484	<	finally {
563	<	Policy.setPolicy(savedPolicy);
564	<	}
481	>	assertSame(TEST_STRING, future.get());
482	>	}};
483	>
484	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
485		}
486
487		/**
488		* A submitted failed privileged exception action reports exception
489		*/
490	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
491	<	Policy savedPolicy = null;
492	<	try {
493	<	savedPolicy = Policy.getPolicy();
494	<	AdjustablePolicy policy = new AdjustablePolicy();
575	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
576	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
577	<	Policy.setPolicy(policy);
578	<	} catch (AccessControlException ok) {
579	<	return;
580	<	}
581	<
582	<
583	<	try {
584	<	ExecutorService e = new ForkJoinPool(1);
585	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
490	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
491	>	Runnable r = new CheckedRunnable() {
492	>	public void realRun() throws Exception {
493	>	ExecutorService e = new ForkJoinPool(1);
494	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
495		public Object run() throws Exception {
496		throw new IndexOutOfBoundsException();
497		}}));
498
499	<	Object result = future.get();
500	<	shouldThrow();
501	<	} catch (ExecutionException success) {
502	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
503	<	} finally {
504	<	Policy.setPolicy(savedPolicy);
505	<	}
499	>	try {
500	>	future.get();
501	>	shouldThrow();
502	>	} catch (ExecutionException success) {
503	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
504	>	}}};
505	>
506	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
507		}
508
509		/**
510		* execute(null runnable) throws NullPointerException
511		*/
512		public void testExecuteNullRunnable() {
513	+	ExecutorService e = new ForkJoinPool(1);
514		try {
515	<	ExecutorService e = new ForkJoinPool(1);
605	<	TrackedShortRunnable task = null;
606	<	Future<?> future = e.submit(task);
515	>	Future<?> future = e.submit((Runnable) null);
516		shouldThrow();
517	<	} catch (NullPointerException success) {}
517	>	} catch (NullPointerException success) {
518	>	} finally {
519	>	joinPool(e);
520	>	}
521		}
522
523
#	Line 613 | Line 525 | public class ForkJoinPoolTest extends JS
525		* submit(null callable) throws NullPointerException
526		*/
527		public void testSubmitNullCallable() {
528	+	ExecutorService e = new ForkJoinPool(1);
529		try {
530	<	ExecutorService e = new ForkJoinPool(1);
618	<	StringTask t = null;
619	<	Future<String> future = e.submit(t);
530	>	Future<String> future = e.submit((Callable) null);
531		shouldThrow();
532	<	} catch (NullPointerException success) {}
532	>	} catch (NullPointerException success) {
533	>	} finally {
534	>	joinPool(e);
535	>	}
536		}
537
538
539		/**
540	<	* Blocking on submit(callable) throws InterruptedException if
627	<	* caller interrupted.
540	>	* submit(callable).get() throws InterruptedException if interrupted
541		*/
542		public void testInterruptedSubmit() throws InterruptedException {
543	<	final ForkJoinPool p = new ForkJoinPool(1);
544	<
545	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
546	<	public void realRun() throws Throwable {
547	<	p.submit(new CheckedCallable<Object>() {
548	<	public Object realCall() throws Throwable {
549	<	try {
550	<	Thread.sleep(MEDIUM_DELAY_MS);
551	<	} catch (InterruptedException ok) {
552	<	}
553	<	return null;
554	<	}}).get();
555	<	}});
556	<
557	<	t.start();
558	<	Thread.sleep(SHORT_DELAY_MS);
559	<	t.interrupt();
560	<	t.join();
561	<	p.shutdownNow();
562	<	joinPool(p);
543	>	final CountDownLatch submitted    = new CountDownLatch(1);
544	>	final CountDownLatch quittingTime = new CountDownLatch(1);
545	>	final ExecutorService p = new ForkJoinPool(1);
546	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
547	>	public Void realCall() throws InterruptedException {
548	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
549	>	return null;
550	>	}};
551	>	try {
552	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
553	>	public void realRun() throws Exception {
554	>	Future<Void> future = p.submit(awaiter);
555	>	submitted.countDown();
556	>	future.get();
557	>	}});
558	>	t.start();
559	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
560	>	t.interrupt();
561	>	t.join();
562	>	} finally {
563	>	quittingTime.countDown();
564	>	joinPool(p);
565	>	}
566		}
567
568		/**
#	Line 664 | Line 580 | public class ForkJoinPoolTest extends JS
580		shouldThrow();
581		} catch (ExecutionException success) {
582		assertTrue(success.getCause() instanceof ArithmeticException);
583	+	} finally {
584	+	joinPool(p);
585		}
668	–
669	–	joinPool(p);
586		}
587
588		/**
#	Line 702 | Line 618 | public class ForkJoinPoolTest extends JS
618		*/
619		public void testInvokeAny3() throws Throwable {
620		ExecutorService e = new ForkJoinPool(1);
621	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
622	+	l.add(null);
623		try {
706	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
707	–	l.add(null);
624		e.invokeAny(l);
625		shouldThrow();
626		} catch (NullPointerException success) {
#	Line 717 | Line 633 | public class ForkJoinPoolTest extends JS
633		* invokeAny(c) throws NullPointerException if c has null elements
634		*/
635		public void testInvokeAny4() throws Throwable {
636	+	CountDownLatch latch = new CountDownLatch(1);
637		ExecutorService e = new ForkJoinPool(1);
638	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
639	+	l.add(latchAwaitingStringTask(latch));
640	+	l.add(null);
641		try {
722	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
723	–	l.add(new Callable<String>() {
724	–	public String call() {
725	–	// The delay gives the pool a chance to notice
726	–	// the null element.
727	–	sleepTillInterrupted(SMALL_DELAY_MS);
728	–	return "foo";
729	–	}});
730	–	l.add(null);
642		e.invokeAny(l);
643		shouldThrow();
644		} catch (NullPointerException success) {
645		} finally {
646	+	latch.countDown();
647		joinPool(e);
648		}
649		}
#	Line 741 | Line 653 | public class ForkJoinPoolTest extends JS
653		*/
654		public void testInvokeAny5() throws Throwable {
655		ExecutorService e = new ForkJoinPool(1);
656	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
657	+	l.add(new NPETask());
658		try {
745	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
746	–	l.add(new NPETask());
659		e.invokeAny(l);
660		shouldThrow();
661		} catch (ExecutionException success) {
#	Line 759 | Line 671 | public class ForkJoinPoolTest extends JS
671		public void testInvokeAny6() throws Throwable {
672		ExecutorService e = new ForkJoinPool(1);
673		try {
674	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
674	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
675		l.add(new StringTask());
676		l.add(new StringTask());
677		String result = e.invokeAny(l);
#	Line 802 | Line 714 | public class ForkJoinPoolTest extends JS
714		*/
715		public void testInvokeAll3() throws InterruptedException {
716		ExecutorService e = new ForkJoinPool(1);
717	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
718	+	l.add(new StringTask());
719	+	l.add(null);
720		try {
806	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
807	–	l.add(new StringTask());
808	–	l.add(null);
721		e.invokeAll(l);
722		shouldThrow();
723		} catch (NullPointerException success) {
#	Line 820 | Line 732 | public class ForkJoinPoolTest extends JS
732		*/
733		public void testInvokeAll4() throws Throwable {
734		ExecutorService e = new ForkJoinPool(1);
735	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
736	+	l.add(new NPETask());
737	+	List<Future<String>> futures = e.invokeAll(l);
738	+	assertEquals(1, futures.size());
739		try {
740	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
825	<	l.add(new NPETask());
826	<	List<Future<String>> result = e.invokeAll(l);
827	<	assertEquals(1, result.size());
828	<	for (Future<String> future : result)
829	<	future.get();
740	>	futures.get(0).get();
741		shouldThrow();
742		} catch (ExecutionException success) {
743		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 841 | Line 752 | public class ForkJoinPoolTest extends JS
752		public void testInvokeAll5() throws Throwable {
753		ExecutorService e = new ForkJoinPool(1);
754		try {
755	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
755	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
756		l.add(new StringTask());
757		l.add(new StringTask());
758	<	List<Future<String>> result = e.invokeAll(l);
759	<	assertEquals(2, result.size());
760	<	for (Future<String> future : result)
758	>	List<Future<String>> futures = e.invokeAll(l);
759	>	assertEquals(2, futures.size());
760	>	for (Future<String> future : futures)
761		assertSame(TEST_STRING, future.get());
762		} finally {
763		joinPool(e);
#	Line 873 | Line 784 | public class ForkJoinPoolTest extends JS
784		*/
785		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
786		ExecutorService e = new ForkJoinPool(1);
787	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
788	+	l.add(new StringTask());
789		try {
877	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
878	–	l.add(new StringTask());
790		e.invokeAny(l, MEDIUM_DELAY_MS, null);
791		shouldThrow();
792		} catch (NullPointerException success) {
#	Line 903 | Line 814 | public class ForkJoinPoolTest extends JS
814		* timed invokeAny(c) throws NullPointerException if c has null elements
815		*/
816		public void testTimedInvokeAny3() throws Throwable {
817	+	CountDownLatch latch = new CountDownLatch(1);
818		ExecutorService e = new ForkJoinPool(1);
819	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
820	+	l.add(latchAwaitingStringTask(latch));
821	+	l.add(null);
822		try {
908	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
909	–	l.add(new StringTask());
910	–	l.add(null);
823		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
824		shouldThrow();
825		} catch (NullPointerException success) {
826		} finally {
827	+	latch.countDown();
828		joinPool(e);
829		}
830		}
#	Line 921 | Line 834 | public class ForkJoinPoolTest extends JS
834		*/
835		public void testTimedInvokeAny4() throws Throwable {
836		ExecutorService e = new ForkJoinPool(1);
837	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
838	+	l.add(new NPETask());
839		try {
925	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
926	–	l.add(new NPETask());
840		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
841		shouldThrow();
842		} catch (ExecutionException success) {
#	Line 939 | Line 852 | public class ForkJoinPoolTest extends JS
852		public void testTimedInvokeAny5() throws Throwable {
853		ExecutorService e = new ForkJoinPool(1);
854		try {
855	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
855	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
856		l.add(new StringTask());
857		l.add(new StringTask());
858		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 968 | Line 881 | public class ForkJoinPoolTest extends JS
881		*/
882		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
883		ExecutorService e = new ForkJoinPool(1);
884	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
885	+	l.add(new StringTask());
886		try {
972	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
973	–	l.add(new StringTask());
887		e.invokeAll(l, MEDIUM_DELAY_MS, null);
888		shouldThrow();
889		} catch (NullPointerException success) {
#	Line 999 | Line 912 | public class ForkJoinPoolTest extends JS
912		*/
913		public void testTimedInvokeAll3() throws InterruptedException {
914		ExecutorService e = new ForkJoinPool(1);
915	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
916	+	l.add(new StringTask());
917	+	l.add(null);
918		try {
1003	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1004	–	l.add(new StringTask());
1005	–	l.add(null);
919		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
920		shouldThrow();
921		} catch (NullPointerException success) {
#	Line 1016 | Line 929 | public class ForkJoinPoolTest extends JS
929		*/
930		public void testTimedInvokeAll4() throws Throwable {
931		ExecutorService e = new ForkJoinPool(1);
932	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
933	+	l.add(new NPETask());
934	+	List<Future<String>> futures
935	+	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
936	+	assertEquals(1, futures.size());
937		try {
938	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1021	<	l.add(new NPETask());
1022	<	List<Future<String>> result
1023	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1024	<	assertEquals(1, result.size());
1025	<	for (Future<String> future : result)
1026	<	future.get();
938	>	futures.get(0).get();
939		shouldThrow();
940		} catch (ExecutionException success) {
941		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 1038 | Line 950 | public class ForkJoinPoolTest extends JS
950		public void testTimedInvokeAll5() throws Throwable {
951		ExecutorService e = new ForkJoinPool(1);
952		try {
953	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
953	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
954		l.add(new StringTask());
955		l.add(new StringTask());
956	<	List<Future<String>> result
956	>	List<Future<String>> futures
957		= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
958	<	assertEquals(2, result.size());
959	<	for (Future<String> future : result)
958	>	assertEquals(2, futures.size());
959	>	for (Future<String> future : futures)
960		assertSame(TEST_STRING, future.get());
961		} finally {
962		joinPool(e);

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