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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.9 by jsr166, Wed Aug 5 00:49:40 2009 UTC vs.
Revision 1.41 by jsr166, Fri May 27 19:42:42 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 170 | Line 185 | public class ForkJoinPoolTest extends JS
185		try {
186		new ForkJoinPool(-1);
187		shouldThrow();
188	<	}
174	<	catch (IllegalArgumentException success) {}
188	>	} catch (IllegalArgumentException success) {}
189		}
190
191		/**
#	Line 179 | 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) {
185	<	}
198	>	} catch (NullPointerException success) {}
199		}
200
188	–
201		/**
202		* getParallelism returns size set in constructor
203		*/
204		public void testGetParallelism() {
205	<	ForkJoinPool p = null;
194	<	try {
195	<	p = new ForkJoinPool(1);
196	<	assertTrue(p.getParallelism() == 1);
197	<	} finally {
198	<	joinPool(p);
199	<	}
200	<	}
201	<
202	<	/**
203	<	* setParallelism changes reported parallelism level.
204	<	*/
205	<	public void testSetParallelism() {
206	<	ForkJoinPool p = null;
207	<	try {
208	<	p = new ForkJoinPool(1);
209	<	assertTrue(p.getParallelism() == 1);
210	<	p.setParallelism(2);
211	<	assertTrue(p.getParallelism() == 2);
212	<	} finally {
213	<	joinPool(p);
214	<	}
215	<	}
216	<
217	<	/**
218	<	* setParallelism with argument <= 0 throws exception
219	<	*/
220	<	public void testSetParallelism2() {
221	<	ForkJoinPool p = null;
205	>	ForkJoinPool p = new ForkJoinPool(1);
206		try {
207	<	p = new ForkJoinPool(1);
224	<	assertTrue(p.getParallelism() == 1);
225	<	p.setParallelism(-2);
226	<	shouldThrow();
227	<	} catch (IllegalArgumentException success) {
207	>	assertEquals(1, p.getParallelism());
208		} finally {
209		joinPool(p);
210		}
#	Line 234 | Line 214 | public class ForkJoinPoolTest extends JS
214		* getPoolSize returns number of started workers.
215		*/
216		public void testGetPoolSize() {
217	<	ForkJoinPool p = null;
217	>	ForkJoinPool p = new ForkJoinPool(1);
218		try {
219	<	p = new ForkJoinPool(1);
240	<	assertTrue(p.getPoolSize() == 0);
219	>	assertEquals(0, p.getActiveThreadCount());
220		Future<String> future = p.submit(new StringTask());
221	<	assertTrue(p.getPoolSize() == 1);
243	<
244	<	} finally {
245	<	joinPool(p);
246	<	}
247	<	}
248	<
249	<	/**
250	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
251	<	*/
252	<	public void testSetMaximumPoolSize() {
253	<	ForkJoinPool p = null;
254	<	try {
255	<	p = new ForkJoinPool(1);
256	<	p.setMaximumPoolSize(2);
257	<	assertTrue(p.getMaximumPoolSize() == 2);
258	<	} finally {
259	<	joinPool(p);
260	<	}
261	<	}
262	<
263	<	/**
264	<	* setMaximumPoolSize with argument <= 0 throws exception
265	<	*/
266	<	public void testSetMaximumPoolSize2() {
267	<	ForkJoinPool p = null;
268	<	try {
269	<	p = new ForkJoinPool(1);
270	<	p.setMaximumPoolSize(-2);
271	<	shouldThrow();
272	<	} catch (IllegalArgumentException success) {
273	<	} finally {
274	<	joinPool(p);
275	<	}
276	<	}
277	<
278	<	/**
279	<	* setMaintainsParallelism changes policy reported by
280	<	* getMaintainsParallelism.
281	<	*/
282	<	public void testSetMaintainsParallelism() {
283	<	ForkJoinPool p = null;
284	<	try {
285	<	p = new ForkJoinPool(1);
286	<	p.setMaintainsParallelism(false);
287	<	assertFalse(p.getMaintainsParallelism());
288	<	} finally {
289	<	joinPool(p);
290	<	}
291	<	}
292	<
293	<	/**
294	<	* setAsyncMode changes policy reported by
295	<	* getAsyncMode.
296	<	*/
297	<	public void testSetAsyncMode() {
298	<	ForkJoinPool p = null;
299	<	try {
300	<	p = new ForkJoinPool(1);
301	<	p.setAsyncMode(true);
302	<	assertTrue(p.getAsyncMode());
221	>	assertEquals(1, p.getPoolSize());
222		} finally {
223		joinPool(p);
224		}
#	Line 312 | Line 231 | public class ForkJoinPoolTest extends JS
231		* performs its defined action
232		*/
233		public void testSetUncaughtExceptionHandler() throws InterruptedException {
234	<	ForkJoinPool p = null;
234	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
235	>	final Thread.UncaughtExceptionHandler eh =
236	>	new Thread.UncaughtExceptionHandler() {
237	>	public void uncaughtException(Thread t, Throwable e) {
238	>	uehInvoked.countDown();
239	>	}};
240	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
241	>	eh, false);
242		try {
243	<	p = new ForkJoinPool(1, new FailingThreadFactory());
244	<	MyHandler eh = new MyHandler();
245	<	p.setUncaughtExceptionHandler(eh);
320	<	assertEquals(eh, p.getUncaughtExceptionHandler());
321	<	p.execute(new FailingTask());
322	<	Thread.sleep(MEDIUM_DELAY_MS);
323	<	assertTrue(eh.catches > 0);
243	>	assertSame(eh, p.getUncaughtExceptionHandler());
244	>	p.execute(new FibTask(8));
245	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
246		} finally {
247	+	p.shutdownNow(); // failure might have prevented processing task
248		joinPool(p);
249		}
250		}
251
252		/**
253	<	* setUncaughtExceptionHandler of null removes handler
253	>	* After invoking a single task, isQuiescent eventually becomes
254	>	* true, at which time queues are empty, threads are not active,
255	>	* the task has completed successfully, and construction
256	>	* parameters continue to hold
257		*/
258	<	public void testSetUncaughtExceptionHandler2() {
259	<	ForkJoinPool p = null;
258	>	public void testisQuiescent() throws Exception {
259	>	ForkJoinPool p = new ForkJoinPool(2);
260		try {
261	<	p = new ForkJoinPool(1);
262	<	p.setUncaughtExceptionHandler(null);
263	<	assertNull(p.getUncaughtExceptionHandler());
264	<	} finally {
265	<	joinPool(p);
266	<	}
267	<	}
268	<
261	>	assertTrue(p.isQuiescent());
262	>	long startTime = System.nanoTime();
263	>	FibTask f = new FibTask(20);
264	>	p.invoke(f);
265	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
266	>	p.getFactory());
267	>	while (! p.isQuiescent()) {
268	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
269	>	throw new AssertionFailedError("timed out");
270	>	assertFalse(p.getAsyncMode());
271	>	assertFalse(p.isShutdown());
272	>	assertFalse(p.isTerminating());
273	>	assertFalse(p.isTerminated());
274	>	Thread.yield();
275	>	}
276
344	–	/**
345	–	* After invoking a single task, isQuiescent is true,
346	–	* queues are empty, threads are not active, and
347	–	* construction parameters continue to hold
348	–	*/
349	–	public void testisQuiescent() throws InterruptedException {
350	–	ForkJoinPool p = null;
351	–	try {
352	–	p = new ForkJoinPool(2);
353	–	p.invoke(new FibTask(20));
354	–	assertTrue(p.getFactory() ==
355	–	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
356	–	Thread.sleep(MEDIUM_DELAY_MS);
277		assertTrue(p.isQuiescent());
358	–	assertTrue(p.getMaintainsParallelism());
278		assertFalse(p.getAsyncMode());
279	<	assertTrue(p.getActiveThreadCount() == 0);
280	<	assertTrue(p.getQueuedTaskCount() == 0);
281	<	assertTrue(p.getQueuedSubmissionCount() == 0);
279	>	assertEquals(0, p.getActiveThreadCount());
280	>	assertEquals(0, p.getQueuedTaskCount());
281	>	assertEquals(0, p.getQueuedSubmissionCount());
282		assertFalse(p.hasQueuedSubmissions());
283		assertFalse(p.isShutdown());
284		assertFalse(p.isTerminating());
285		assertFalse(p.isTerminated());
286	+	assertTrue(f.isDone());
287	+	assertEquals(6765, (int) f.get());
288		} finally {
289		joinPool(p);
290		}
#	Line 373 | Line 294 | public class ForkJoinPoolTest extends JS
294		* Completed submit(ForkJoinTask) returns result
295		*/
296		public void testSubmitForkJoinTask() throws Throwable {
297	<	ForkJoinPool p = null;
297	>	ForkJoinPool p = new ForkJoinPool(1);
298		try {
378	–	p = new ForkJoinPool(1);
299		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
300	<	int r = f.get();
381	<	assertTrue(r == 21);
300	>	assertEquals(21, (int) f.get());
301		} finally {
302		joinPool(p);
303		}
#	Line 388 | Line 307 | public class ForkJoinPoolTest extends JS
307		* A task submitted after shutdown is rejected
308		*/
309		public void testSubmitAfterShutdown() {
310	<	ForkJoinPool p = null;
310	>	ForkJoinPool p = new ForkJoinPool(1);
311		try {
393	–	p = new ForkJoinPool(1);
312		p.shutdown();
313		assertTrue(p.isShutdown());
314	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
315	<	shouldThrow();
316	<	} catch (RejectedExecutionException success) {
314	>	try {
315	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
316	>	shouldThrow();
317	>	} catch (RejectedExecutionException success) {}
318		} finally {
319		joinPool(p);
320		}
#	Line 405 | Line 324 | public class ForkJoinPoolTest extends JS
324		* Pool maintains parallelism when using ManagedBlocker
325		*/
326		public void testBlockingForkJoinTask() throws Throwable {
327	<	ForkJoinPool p = null;
327	>	ForkJoinPool p = new ForkJoinPool(4);
328		try {
410	–	p = new ForkJoinPool(4);
329		ReentrantLock lock = new ReentrantLock();
330		ManagedLocker locker = new ManagedLocker(lock);
331	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
331	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
332		p.execute(f);
333	<	assertTrue(p.getPoolSize() >= 4);
416	<	int r = f.get();
417	<	assertTrue(r ==  832040);
333	>	assertEquals(6765, (int) f.get());
334		} finally {
335		p.shutdownNow(); // don't wait out shutdown
336		}
#	Line 424 | Line 340 | public class ForkJoinPoolTest extends JS
340		* pollSubmission returns unexecuted submitted task, if present
341		*/
342		public void testPollSubmission() {
343	<	SubFJP p = null;
343	>	final CountDownLatch done = new CountDownLatch(1);
344	>	SubFJP p = new SubFJP();
345		try {
346	<	p = new SubFJP();
347	<	ForkJoinTask a = p.submit(new MediumRunnable());
348	<	ForkJoinTask b = p.submit(new MediumRunnable());
432	<	ForkJoinTask c = p.submit(new MediumRunnable());
346	>	ForkJoinTask a = p.submit(awaiter(done));
347	>	ForkJoinTask b = p.submit(awaiter(done));
348	>	ForkJoinTask c = p.submit(awaiter(done));
349		ForkJoinTask r = p.pollSubmission();
350		assertTrue(r == a || r == b || r == c);
351		assertFalse(r.isDone());
352		} finally {
353	+	done.countDown();
354		joinPool(p);
355		}
356		}
#	Line 442 | Line 359 | public class ForkJoinPoolTest extends JS
359		* drainTasksTo transfers unexecuted submitted tasks, if present
360		*/
361		public void testDrainTasksTo() {
362	<	SubFJP p = null;
362	>	final CountDownLatch done = new CountDownLatch(1);
363	>	SubFJP p = new SubFJP();
364		try {
365	<	p = new SubFJP();
366	<	ForkJoinTask a = p.submit(new MediumRunnable());
367	<	ForkJoinTask b = p.submit(new MediumRunnable());
450	<	ForkJoinTask c = p.submit(new MediumRunnable());
365	>	ForkJoinTask a = p.submit(awaiter(done));
366	>	ForkJoinTask b = p.submit(awaiter(done));
367	>	ForkJoinTask c = p.submit(awaiter(done));
368		ArrayList<ForkJoinTask> al = new ArrayList();
369		p.drainTasksTo(al);
370		assertTrue(al.size() > 0);
#	Line 456 | Line 373 | public class ForkJoinPoolTest extends JS
373		assertFalse(r.isDone());
374		}
375		} finally {
376	+	done.countDown();
377		joinPool(p);
378		}
379		}
380
463	–
381		// FJ Versions of AbstractExecutorService tests
382
383		/**
#	Line 468 | Line 385 | public class ForkJoinPoolTest extends JS
385		*/
386		public void testExecuteRunnable() throws Throwable {
387		ExecutorService e = new ForkJoinPool(1);
388	<	TrackedShortRunnable task = new TrackedShortRunnable();
389	<	assertFalse(task.done);
390	<	Future<?> future = e.submit(task);
391	<	future.get();
392	<	assertTrue(task.done);
388	>	try {
389	>	TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS);
390	>	assertFalse(task.isDone());
391	>	Future<?> future = e.submit(task);
392	>	assertNull(future.get());
393	>	assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS));
394	>	assertTrue(task.isDone());
395	>	assertTrue(future.isDone());
396	>	assertFalse(future.isCancelled());
397	>	} finally {
398	>	joinPool(e);
399	>	}
400		}
401
478	–
402		/**
403		* Completed submit(callable) returns result
404		*/
405		public void testSubmitCallable() throws Throwable {
406		ExecutorService e = new ForkJoinPool(1);
407	<	Future<String> future = e.submit(new StringTask());
408	<	String result = future.get();
409	<	assertSame(TEST_STRING, result);
407	>	try {
408	>	Future<String> future = e.submit(new StringTask());
409	>	assertSame(TEST_STRING, future.get());
410	>	assertTrue(future.isDone());
411	>	assertFalse(future.isCancelled());
412	>	} finally {
413	>	joinPool(e);
414	>	}
415		}
416
417		/**
#	Line 491 | Line 419 | public class ForkJoinPoolTest extends JS
419		*/
420		public void testSubmitRunnable() throws Throwable {
421		ExecutorService e = new ForkJoinPool(1);
422	<	Future<?> future = e.submit(new NoOpRunnable());
423	<	future.get();
424	<	assertTrue(future.isDone());
422	>	try {
423	>	Future<?> future = e.submit(new NoOpRunnable());
424	>	assertNull(future.get());
425	>	assertTrue(future.isDone());
426	>	assertFalse(future.isCancelled());
427	>	} finally {
428	>	joinPool(e);
429	>	}
430		}
431
432		/**
#	Line 501 | Line 434 | public class ForkJoinPoolTest extends JS
434		*/
435		public void testSubmitRunnable2() throws Throwable {
436		ExecutorService e = new ForkJoinPool(1);
437	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
438	<	String result = future.get();
439	<	assertSame(TEST_STRING, result);
437	>	try {
438	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
439	>	assertSame(TEST_STRING, future.get());
440	>	assertTrue(future.isDone());
441	>	assertFalse(future.isCancelled());
442	>	} finally {
443	>	joinPool(e);
444	>	}
445		}
446
509	–
447		/**
448	<	* A submitted privileged action to completion
448	>	* A submitted privileged action runs to completion
449		*/
450	<	public void testSubmitPrivilegedAction() throws Throwable {
451	<	Policy savedPolicy = null;
452	<	try {
453	<	savedPolicy = Policy.getPolicy();
454	<	AdjustablePolicy policy = new AdjustablePolicy();
518	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
519	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
520	<	Policy.setPolicy(policy);
521	<	} catch (AccessControlException ok) {
522	<	return;
523	<	}
524	<	try {
525	<	ExecutorService e = new ForkJoinPool(1);
526	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
450	>	public void testSubmitPrivilegedAction() throws Exception {
451	>	Runnable r = new CheckedRunnable() {
452	>	public void realRun() throws Exception {
453	>	ExecutorService e = new ForkJoinPool(1);
454	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
455		public Object run() {
456		return TEST_STRING;
457		}}));
458
459	<	Object result = future.get();
460	<	assertSame(TEST_STRING, result);
461	<	}
462	<	finally {
463	<	Policy.setPolicy(savedPolicy);
536	<	}
459	>	assertSame(TEST_STRING, future.get());
460	>	}};
461	>
462	>	runWithPermissions(r,
463	>	new RuntimePermission("modifyThread"));
464		}
465
466		/**
467	<	* A submitted a privileged exception action runs to completion
467	>	* A submitted privileged exception action runs to completion
468		*/
469	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
470	<	Policy savedPolicy = null;
471	<	try {
472	<	savedPolicy = Policy.getPolicy();
473	<	AdjustablePolicy policy = new AdjustablePolicy();
547	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
548	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
549	<	Policy.setPolicy(policy);
550	<	} catch (AccessControlException ok) {
551	<	return;
552	<	}
553	<
554	<	try {
555	<	ExecutorService e = new ForkJoinPool(1);
556	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
469	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
470	>	Runnable r = new CheckedRunnable() {
471	>	public void realRun() throws Exception {
472	>	ExecutorService e = new ForkJoinPool(1);
473	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
474		public Object run() {
475		return TEST_STRING;
476		}}));
477
478	<	Object result = future.get();
479	<	assertSame(TEST_STRING, result);
480	<	}
481	<	finally {
565	<	Policy.setPolicy(savedPolicy);
566	<	}
478	>	assertSame(TEST_STRING, future.get());
479	>	}};
480	>
481	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
482		}
483
484		/**
485		* A submitted failed privileged exception action reports exception
486		*/
487	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
488	<	Policy savedPolicy = null;
489	<	try {
490	<	savedPolicy = Policy.getPolicy();
491	<	AdjustablePolicy policy = new AdjustablePolicy();
577	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
578	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
579	<	Policy.setPolicy(policy);
580	<	} catch (AccessControlException ok) {
581	<	return;
582	<	}
583	<
584	<
585	<	try {
586	<	ExecutorService e = new ForkJoinPool(1);
587	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
487	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
488	>	Runnable r = new CheckedRunnable() {
489	>	public void realRun() throws Exception {
490	>	ExecutorService e = new ForkJoinPool(1);
491	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
492		public Object run() throws Exception {
493		throw new IndexOutOfBoundsException();
494		}}));
495
496	<	Object result = future.get();
497	<	shouldThrow();
498	<	} catch (ExecutionException success) {
499	<	} finally {
500	<	Policy.setPolicy(savedPolicy);
501	<	}
496	>	try {
497	>	future.get();
498	>	shouldThrow();
499	>	} catch (ExecutionException success) {
500	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
501	>	}}};
502	>
503	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
504		}
505
506		/**
507		* execute(null runnable) throws NullPointerException
508		*/
509		public void testExecuteNullRunnable() {
510	+	ExecutorService e = new ForkJoinPool(1);
511		try {
512	<	ExecutorService e = new ForkJoinPool(1);
606	<	TrackedShortRunnable task = null;
607	<	Future<?> future = e.submit(task);
512	>	Future<?> future = e.submit((Runnable) null);
513		shouldThrow();
514		} catch (NullPointerException success) {
515	+	} finally {
516	+	joinPool(e);
517		}
518		}
519
613	–
520		/**
521		* submit(null callable) throws NullPointerException
522		*/
523		public void testSubmitNullCallable() {
524	+	ExecutorService e = new ForkJoinPool(1);
525		try {
526	<	ExecutorService e = new ForkJoinPool(1);
620	<	StringTask t = null;
621	<	Future<String> future = e.submit(t);
526	>	Future<String> future = e.submit((Callable) null);
527		shouldThrow();
528		} catch (NullPointerException success) {
529	+	} finally {
530	+	joinPool(e);
531		}
532		}
533
627	–
534		/**
535	<	* Blocking on submit(callable) throws InterruptedException if
630	<	* caller interrupted.
535	>	* submit(callable).get() throws InterruptedException if interrupted
536		*/
537		public void testInterruptedSubmit() throws InterruptedException {
538	<	final ForkJoinPool p = new ForkJoinPool(1);
539	<
540	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
541	<	void realRun() throws Throwable {
542	<	p.submit(new CheckedCallable<Object>() {
543	<	public Object realCall() throws Throwable {
544	<	try {
545	<	Thread.sleep(MEDIUM_DELAY_MS);
546	<	} catch (InterruptedException ok) {
547	<	}
548	<	return null;
549	<	}}).get();
550	<	}});
551	<
552	<	t.start();
553	<	Thread.sleep(SHORT_DELAY_MS);
554	<	t.interrupt();
555	<	t.join();
556	<	p.shutdownNow();
557	<	joinPool(p);
538	>	final CountDownLatch submitted    = new CountDownLatch(1);
539	>	final CountDownLatch quittingTime = new CountDownLatch(1);
540	>	final ExecutorService p = new ForkJoinPool(1);
541	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
542	>	public Void realCall() throws InterruptedException {
543	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
544	>	return null;
545	>	}};
546	>	try {
547	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
548	>	public void realRun() throws Exception {
549	>	Future<Void> future = p.submit(awaiter);
550	>	submitted.countDown();
551	>	future.get();
552	>	}});
553	>	t.start();
554	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
555	>	t.interrupt();
556	>	t.join();
557	>	} finally {
558	>	quittingTime.countDown();
559	>	joinPool(p);
560	>	}
561		}
562
563		/**
#	Line 666 | Line 574 | public class ForkJoinPoolTest extends JS
574		}}).get();
575		shouldThrow();
576		} catch (ExecutionException success) {
577	+	assertTrue(success.getCause() instanceof ArithmeticException);
578	+	} finally {
579	+	joinPool(p);
580		}
670	–	joinPool(p);
581		}
582
583		/**
#	Line 703 | Line 613 | public class ForkJoinPoolTest extends JS
613		*/
614		public void testInvokeAny3() throws Throwable {
615		ExecutorService e = new ForkJoinPool(1);
616	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
617	+	l.add(null);
618		try {
707	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
708	–	l.add(null);
619		e.invokeAny(l);
620		shouldThrow();
621		} catch (NullPointerException success) {
#	Line 718 | Line 628 | public class ForkJoinPoolTest extends JS
628		* invokeAny(c) throws NullPointerException if c has null elements
629		*/
630		public void testInvokeAny4() throws Throwable {
631	+	CountDownLatch latch = new CountDownLatch(1);
632		ExecutorService e = new ForkJoinPool(1);
633	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
634	+	l.add(latchAwaitingStringTask(latch));
635	+	l.add(null);
636		try {
723	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
724	–	l.add(new Callable<String>() {
725	–	public String call() {
726	–	// The delay gives the pool a chance to notice
727	–	// the null element.
728	–	sleepTillInterrupted(SMALL_DELAY_MS);
729	–	return "foo";
730	–	}});
731	–	l.add(null);
637		e.invokeAny(l);
638		shouldThrow();
639		} catch (NullPointerException success) {
640		} finally {
641	+	latch.countDown();
642		joinPool(e);
643		}
644		}
#	Line 742 | Line 648 | public class ForkJoinPoolTest extends JS
648		*/
649		public void testInvokeAny5() throws Throwable {
650		ExecutorService e = new ForkJoinPool(1);
651	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
652	+	l.add(new NPETask());
653		try {
746	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
747	–	l.add(new NPETask());
654		e.invokeAny(l);
655		shouldThrow();
656		} catch (ExecutionException success) {
657	+	assertTrue(success.getCause() instanceof NullPointerException);
658		} finally {
659		joinPool(e);
660		}
#	Line 759 | Line 666 | public class ForkJoinPoolTest extends JS
666		public void testInvokeAny6() throws Throwable {
667		ExecutorService e = new ForkJoinPool(1);
668		try {
669	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
669	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
670		l.add(new StringTask());
671		l.add(new StringTask());
672		String result = e.invokeAny(l);
#	Line 802 | Line 709 | public class ForkJoinPoolTest extends JS
709		*/
710		public void testInvokeAll3() throws InterruptedException {
711		ExecutorService e = new ForkJoinPool(1);
712	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
713	+	l.add(new StringTask());
714	+	l.add(null);
715		try {
806	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
807	–	l.add(new StringTask());
808	–	l.add(null);
716		e.invokeAll(l);
717		shouldThrow();
718		} catch (NullPointerException success) {
#	Line 820 | Line 727 | public class ForkJoinPoolTest extends JS
727		*/
728		public void testInvokeAll4() throws Throwable {
729		ExecutorService e = new ForkJoinPool(1);
730	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
731	+	l.add(new NPETask());
732	+	List<Future<String>> futures = e.invokeAll(l);
733	+	assertEquals(1, futures.size());
734		try {
735	<	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();
735	>	futures.get(0).get();
736		shouldThrow();
737		} catch (ExecutionException success) {
738	+	assertTrue(success.getCause() instanceof NullPointerException);
739		} finally {
740		joinPool(e);
741		}
#	Line 840 | Line 747 | public class ForkJoinPoolTest extends JS
747		public void testInvokeAll5() throws Throwable {
748		ExecutorService e = new ForkJoinPool(1);
749		try {
750	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
750	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
751		l.add(new StringTask());
752		l.add(new StringTask());
753	<	List<Future<String>> result = e.invokeAll(l);
754	<	assertEquals(2, result.size());
755	<	for (Future<String> future : result)
753	>	List<Future<String>> futures = e.invokeAll(l);
754	>	assertEquals(2, futures.size());
755	>	for (Future<String> future : futures)
756		assertSame(TEST_STRING, future.get());
757		} finally {
758		joinPool(e);
759		}
760		}
761
855	–
762		/**
763		* timed invokeAny(null) throws NullPointerException
764		*/
#	Line 872 | Line 778 | public class ForkJoinPoolTest extends JS
778		*/
779		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
780		ExecutorService e = new ForkJoinPool(1);
781	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
782	+	l.add(new StringTask());
783		try {
876	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
877	–	l.add(new StringTask());
784		e.invokeAny(l, MEDIUM_DELAY_MS, null);
785		shouldThrow();
786		} catch (NullPointerException success) {
#	Line 902 | Line 808 | public class ForkJoinPoolTest extends JS
808		* timed invokeAny(c) throws NullPointerException if c has null elements
809		*/
810		public void testTimedInvokeAny3() throws Throwable {
811	+	CountDownLatch latch = new CountDownLatch(1);
812		ExecutorService e = new ForkJoinPool(1);
813	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
814	+	l.add(latchAwaitingStringTask(latch));
815	+	l.add(null);
816		try {
907	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
908	–	l.add(new StringTask());
909	–	l.add(null);
817		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
818		shouldThrow();
819		} catch (NullPointerException success) {
820		} finally {
821	+	latch.countDown();
822		joinPool(e);
823		}
824		}
#	Line 920 | Line 828 | public class ForkJoinPoolTest extends JS
828		*/
829		public void testTimedInvokeAny4() throws Throwable {
830		ExecutorService e = new ForkJoinPool(1);
831	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
832	+	l.add(new NPETask());
833		try {
924	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
925	–	l.add(new NPETask());
834		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
835		shouldThrow();
836		} catch (ExecutionException success) {
837	+	assertTrue(success.getCause() instanceof NullPointerException);
838		} finally {
839		joinPool(e);
840		}
#	Line 937 | Line 846 | public class ForkJoinPoolTest extends JS
846		public void testTimedInvokeAny5() throws Throwable {
847		ExecutorService e = new ForkJoinPool(1);
848		try {
849	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
849	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
850		l.add(new StringTask());
851		l.add(new StringTask());
852		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 966 | Line 875 | public class ForkJoinPoolTest extends JS
875		*/
876		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
877		ExecutorService e = new ForkJoinPool(1);
878	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
879	+	l.add(new StringTask());
880		try {
970	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
971	–	l.add(new StringTask());
881		e.invokeAll(l, MEDIUM_DELAY_MS, null);
882		shouldThrow();
883		} catch (NullPointerException success) {
#	Line 997 | Line 906 | public class ForkJoinPoolTest extends JS
906		*/
907		public void testTimedInvokeAll3() throws InterruptedException {
908		ExecutorService e = new ForkJoinPool(1);
909	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
910	+	l.add(new StringTask());
911	+	l.add(null);
912		try {
1001	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1002	–	l.add(new StringTask());
1003	–	l.add(null);
913		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
914		shouldThrow();
915		} catch (NullPointerException success) {
#	Line 1014 | Line 923 | public class ForkJoinPoolTest extends JS
923		*/
924		public void testTimedInvokeAll4() throws Throwable {
925		ExecutorService e = new ForkJoinPool(1);
926	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
927	+	l.add(new NPETask());
928	+	List<Future<String>> futures
929	+	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
930	+	assertEquals(1, futures.size());
931		try {
932	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1019	<	l.add(new NPETask());
1020	<	List<Future<String>> result
1021	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1022	<	assertEquals(1, result.size());
1023	<	for (Future<String> future : result)
1024	<	future.get();
932	>	futures.get(0).get();
933		shouldThrow();
934		} catch (ExecutionException success) {
935	+	assertTrue(success.getCause() instanceof NullPointerException);
936		} finally {
937		joinPool(e);
938		}
#	Line 1035 | Line 944 | public class ForkJoinPoolTest extends JS
944		public void testTimedInvokeAll5() throws Throwable {
945		ExecutorService e = new ForkJoinPool(1);
946		try {
947	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
947	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
948		l.add(new StringTask());
949		l.add(new StringTask());
950	<	List<Future<String>> result
950	>	List<Future<String>> futures
951		= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
952	<	assertEquals(2, result.size());
953	<	for (Future<String> future : result)
952	>	assertEquals(2, futures.size());
953	>	for (Future<String> future : futures)
954		assertSame(TEST_STRING, future.get());
955		} finally {
956		joinPool(e);

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