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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.22 by jsr166, Wed Sep 1 06:41:55 2010 UTC vs.
Revision 1.53 by jsr166, Wed Dec 31 16:44:01 2014 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.Executor;
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;
13		import java.util.concurrent.CountDownLatch;
14		import java.util.concurrent.Callable;
15		import java.util.concurrent.Future;
16		import java.util.concurrent.ExecutionException;
18	–	import java.util.concurrent.CancellationException;
17		import java.util.concurrent.RejectedExecutionException;
18		import java.util.concurrent.ForkJoinPool;
19		import java.util.concurrent.ForkJoinTask;
20		import java.util.concurrent.ForkJoinWorkerThread;
23	–	import java.util.concurrent.RecursiveAction;
21		import java.util.concurrent.RecursiveTask;
22	<	import java.util.concurrent.TimeUnit;
23	<	import java.util.concurrent.locks.*;
24	<	import java.security.*;
22	>	import java.util.concurrent.atomic.AtomicBoolean;
23	>	import java.util.concurrent.locks.ReentrantLock;
24	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
26	>	import java.security.PrivilegedAction;
27	>	import java.security.PrivilegedExceptionAction;
28
29		public class ForkJoinPoolTest extends JSR166TestCase {
30		public static void main(String[] args) {
31		junit.textui.TestRunner.run(suite());
32		}
33	+
34		public static Test suite() {
35		return new TestSuite(ForkJoinPoolTest.class);
36		}
37
38	<	/**
38	>	/*
39		* Testing coverage notes:
40		*
41		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 102 | Line 103 | public class ForkJoinPoolTest extends JS
103		static final class FibTask extends RecursiveTask<Integer> {
104		final int number;
105		FibTask(int n) { number = n; }
106	<	public Integer compute() {
106	>	protected Integer compute() {
107		int n = number;
108		if (n <= 1)
109		return n;
#	Line 130 | Line 131 | public class ForkJoinPoolTest extends JS
131		this.locker = locker;
132		this.lock = lock;
133		}
134	<	public Integer compute() {
134	>	protected Integer compute() {
135		int n;
136		LockingFibTask f1 = null;
137		LockingFibTask f2 = null;
#	Line 156 | Line 157 | public class ForkJoinPoolTest extends JS
157		* tasks, and quiescent running state.
158		*/
159		public void testDefaultInitialState() {
160	<	ForkJoinPool p = null;
160	>	ForkJoinPool p = new ForkJoinPool(1);
161		try {
162	<	p = new ForkJoinPool(1);
163	<	assertTrue(p.getFactory() ==
163	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
164	<	assertTrue(p.isQuiescent());
162	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
163	>	p.getFactory());
164		assertFalse(p.getAsyncMode());
165	<	assertTrue(p.getActiveThreadCount() == 0);
166	<	assertTrue(p.getStealCount() == 0);
167	<	assertTrue(p.getQueuedTaskCount() == 0);
168	<	assertTrue(p.getQueuedSubmissionCount() == 0);
165	>	assertEquals(0, p.getActiveThreadCount());
166	>	assertEquals(0, p.getStealCount());
167	>	assertEquals(0, p.getQueuedTaskCount());
168	>	assertEquals(0, p.getQueuedSubmissionCount());
169		assertFalse(p.hasQueuedSubmissions());
170		assertFalse(p.isShutdown());
171		assertFalse(p.isTerminating());
#	Line 196 | Line 195 | public class ForkJoinPoolTest extends JS
195		} catch (NullPointerException success) {}
196		}
197
199	–
198		/**
199		* getParallelism returns size set in constructor
200		*/
201		public void testGetParallelism() {
202	<	ForkJoinPool p = null;
202	>	ForkJoinPool p = new ForkJoinPool(1);
203		try {
204	<	p = new ForkJoinPool(1);
207	<	assertTrue(p.getParallelism() == 1);
204	>	assertEquals(1, p.getParallelism());
205		} finally {
206		joinPool(p);
207		}
#	Line 214 | Line 211 | public class ForkJoinPoolTest extends JS
211		* getPoolSize returns number of started workers.
212		*/
213		public void testGetPoolSize() {
214	<	ForkJoinPool p = null;
214	>	ForkJoinPool p = new ForkJoinPool(1);
215		try {
216	<	p = new ForkJoinPool(1);
220	<	assertTrue(p.getActiveThreadCount() == 0);
216	>	assertEquals(0, p.getActiveThreadCount());
217		Future<String> future = p.submit(new StringTask());
218	<	assertTrue(p.getPoolSize() == 1);
223	<
218	>	assertEquals(1, p.getPoolSize());
219		} finally {
220		joinPool(p);
221		}
222		}
223
224		/**
225	+	* awaitTermination on a non-shutdown pool times out
226	+	*/
227	+	public void testAwaitTermination_timesOut() throws InterruptedException {
228	+	ForkJoinPool p = new ForkJoinPool(1);
229	+	assertFalse(p.isTerminated());
230	+	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
231	+	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
232	+	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
233	+	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
234	+	assertFalse(p.awaitTermination(0L, NANOSECONDS));
235	+	assertFalse(p.awaitTermination(0L, MILLISECONDS));
236	+	long timeoutNanos = 999999L;
237	+	long startTime = System.nanoTime();
238	+	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
239	+	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
240	+	assertFalse(p.isTerminated());
241	+	startTime = System.nanoTime();
242	+	long timeoutMillis = timeoutMillis();
243	+	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
244	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
245	+	assertFalse(p.isTerminated());
246	+	p.shutdown();
247	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
248	+	assertTrue(p.isTerminated());
249	+	}
250	+
251	+	/**
252		* setUncaughtExceptionHandler changes handler for uncaught exceptions.
253		*
254		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
255		* performs its defined action
256		*/
257		public void testSetUncaughtExceptionHandler() throws InterruptedException {
258	<	ForkJoinPool p = null;
259	<	try {
260	<	MyHandler eh = new MyHandler();
261	<	p = new ForkJoinPool(1, new FailingThreadFactory(), eh, false);
262	<	assert(eh == p.getUncaughtExceptionHandler());
263	<	p.execute(new FailingTask());
264	<	Thread.sleep(MEDIUM_DELAY_MS);
265	<	assertTrue(eh.catches > 0);
258	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
259	>	final Thread.UncaughtExceptionHandler eh =
260	>	new Thread.UncaughtExceptionHandler() {
261	>	public void uncaughtException(Thread t, Throwable e) {
262	>	uehInvoked.countDown();
263	>	}};
264	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
265	>	eh, false);
266	>	try {
267	>	assertSame(eh, p.getUncaughtExceptionHandler());
268	>	try {
269	>	p.execute(new FibTask(8));
270	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
271	>	} catch (RejectedExecutionException ok) {
272	>	}
273		} finally {
274	<	p.shutdownNow();
274	>	p.shutdownNow(); // failure might have prevented processing task
275		joinPool(p);
276		}
277		}
278
279		/**
280	<	* After invoking a single task, isQuiescent is true,
281	<	* queues are empty, threads are not active, and
282	<	* construction parameters continue to hold
280	>	* After invoking a single task, isQuiescent eventually becomes
281	>	* true, at which time queues are empty, threads are not active,
282	>	* the task has completed successfully, and construction
283	>	* parameters continue to hold
284		*/
285	<	public void testisQuiescent() throws InterruptedException {
286	<	ForkJoinPool p = null;
285	>	public void testIsQuiescent() throws Exception {
286	>	ForkJoinPool p = new ForkJoinPool(2);
287		try {
288	<	p = new ForkJoinPool(2);
289	<	p.invoke(new FibTask(20));
290	<	assertTrue(p.getFactory() ==
291	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
292	<	Thread.sleep(MEDIUM_DELAY_MS);
288	>	assertTrue(p.isQuiescent());
289	>	long startTime = System.nanoTime();
290	>	FibTask f = new FibTask(20);
291	>	p.invoke(f);
292	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
293	>	p.getFactory());
294	>	while (! p.isQuiescent()) {
295	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
296	>	throw new AssertionFailedError("timed out");
297	>	assertFalse(p.getAsyncMode());
298	>	assertFalse(p.isShutdown());
299	>	assertFalse(p.isTerminating());
300	>	assertFalse(p.isTerminated());
301	>	Thread.yield();
302	>	}
303	>
304		assertTrue(p.isQuiescent());
305		assertFalse(p.getAsyncMode());
306	<	assertTrue(p.getActiveThreadCount() == 0);
307	<	assertTrue(p.getQueuedTaskCount() == 0);
308	<	assertTrue(p.getQueuedSubmissionCount() == 0);
306	>	assertEquals(0, p.getActiveThreadCount());
307	>	assertEquals(0, p.getQueuedTaskCount());
308	>	assertEquals(0, p.getQueuedSubmissionCount());
309		assertFalse(p.hasQueuedSubmissions());
310		assertFalse(p.isShutdown());
311		assertFalse(p.isTerminating());
312		assertFalse(p.isTerminated());
313	+	assertTrue(f.isDone());
314	+	assertEquals(6765, (int) f.get());
315		} finally {
316		joinPool(p);
317		}
#	Line 278 | Line 321 | public class ForkJoinPoolTest extends JS
321		* Completed submit(ForkJoinTask) returns result
322		*/
323		public void testSubmitForkJoinTask() throws Throwable {
324	<	ForkJoinPool p = null;
324	>	ForkJoinPool p = new ForkJoinPool(1);
325		try {
283	–	p = new ForkJoinPool(1);
326		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
327	<	int r = f.get();
286	<	assertTrue(r == 21);
327	>	assertEquals(21, (int) f.get());
328		} finally {
329		joinPool(p);
330		}
#	Line 293 | Line 334 | public class ForkJoinPoolTest extends JS
334		* A task submitted after shutdown is rejected
335		*/
336		public void testSubmitAfterShutdown() {
337	<	ForkJoinPool p = null;
337	>	ForkJoinPool p = new ForkJoinPool(1);
338		try {
298	–	p = new ForkJoinPool(1);
339		p.shutdown();
340		assertTrue(p.isShutdown());
341	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
342	<	shouldThrow();
343	<	} catch (RejectedExecutionException success) {
341	>	try {
342	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
343	>	shouldThrow();
344	>	} catch (RejectedExecutionException success) {}
345		} finally {
346		joinPool(p);
347		}
#	Line 310 | Line 351 | public class ForkJoinPoolTest extends JS
351		* Pool maintains parallelism when using ManagedBlocker
352		*/
353		public void testBlockingForkJoinTask() throws Throwable {
354	<	ForkJoinPool p = null;
354	>	ForkJoinPool p = new ForkJoinPool(4);
355		try {
315	–	p = new ForkJoinPool(4);
356		ReentrantLock lock = new ReentrantLock();
357		ManagedLocker locker = new ManagedLocker(lock);
358	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
358	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
359		p.execute(f);
360	<	int r = f.get();
321	<	assertTrue(r == 832040);
360	>	assertEquals(6765, (int) f.get());
361		} finally {
362		p.shutdownNow(); // don't wait out shutdown
363		}
#	Line 328 | Line 367 | public class ForkJoinPoolTest extends JS
367		* pollSubmission returns unexecuted submitted task, if present
368		*/
369		public void testPollSubmission() {
370	<	SubFJP p = null;
370	>	final CountDownLatch done = new CountDownLatch(1);
371	>	SubFJP p = new SubFJP();
372		try {
373	<	p = new SubFJP();
374	<	ForkJoinTask a = p.submit(new MediumRunnable());
375	<	ForkJoinTask b = p.submit(new MediumRunnable());
336	<	ForkJoinTask c = p.submit(new MediumRunnable());
373	>	ForkJoinTask a = p.submit(awaiter(done));
374	>	ForkJoinTask b = p.submit(awaiter(done));
375	>	ForkJoinTask c = p.submit(awaiter(done));
376		ForkJoinTask r = p.pollSubmission();
377		assertTrue(r == a || r == b || r == c);
378		assertFalse(r.isDone());
379		} finally {
380	+	done.countDown();
381		joinPool(p);
382		}
383		}
#	Line 346 | Line 386 | public class ForkJoinPoolTest extends JS
386		* drainTasksTo transfers unexecuted submitted tasks, if present
387		*/
388		public void testDrainTasksTo() {
389	<	SubFJP p = null;
389	>	final CountDownLatch done = new CountDownLatch(1);
390	>	SubFJP p = new SubFJP();
391		try {
392	<	p = new SubFJP();
393	<	ForkJoinTask a = p.submit(new MediumRunnable());
394	<	ForkJoinTask b = p.submit(new MediumRunnable());
354	<	ForkJoinTask c = p.submit(new MediumRunnable());
392	>	ForkJoinTask a = p.submit(awaiter(done));
393	>	ForkJoinTask b = p.submit(awaiter(done));
394	>	ForkJoinTask c = p.submit(awaiter(done));
395		ArrayList<ForkJoinTask> al = new ArrayList();
396		p.drainTasksTo(al);
397		assertTrue(al.size() > 0);
#	Line 360 | Line 400 | public class ForkJoinPoolTest extends JS
400		assertFalse(r.isDone());
401		}
402		} finally {
403	+	done.countDown();
404		joinPool(p);
405		}
406		}
407
367	–
408		// FJ Versions of AbstractExecutorService tests
409
410		/**
#	Line 372 | Line 412 | public class ForkJoinPoolTest extends JS
412		*/
413		public void testExecuteRunnable() throws Throwable {
414		ExecutorService e = new ForkJoinPool(1);
415	<	TrackedShortRunnable task = new TrackedShortRunnable();
416	<	assertFalse(task.done);
417	<	Future<?> future = e.submit(task);
418	<	future.get();
419	<	assertTrue(task.done);
415	>	try {
416	>	final AtomicBoolean done = new AtomicBoolean(false);
417	>	Future<?> future = e.submit(new CheckedRunnable() {
418	>	public void realRun() {
419	>	done.set(true);
420	>	}});
421	>	assertNull(future.get());
422	>	assertNull(future.get(0, MILLISECONDS));
423	>	assertTrue(done.get());
424	>	assertTrue(future.isDone());
425	>	assertFalse(future.isCancelled());
426	>	} finally {
427	>	joinPool(e);
428	>	}
429		}
430
382	–
431		/**
432		* Completed submit(callable) returns result
433		*/
434		public void testSubmitCallable() throws Throwable {
435		ExecutorService e = new ForkJoinPool(1);
436	<	Future<String> future = e.submit(new StringTask());
437	<	String result = future.get();
438	<	assertSame(TEST_STRING, result);
436	>	try {
437	>	Future<String> future = e.submit(new StringTask());
438	>	assertSame(TEST_STRING, future.get());
439	>	assertTrue(future.isDone());
440	>	assertFalse(future.isCancelled());
441	>	} finally {
442	>	joinPool(e);
443	>	}
444		}
445
446		/**
#	Line 395 | Line 448 | public class ForkJoinPoolTest extends JS
448		*/
449		public void testSubmitRunnable() throws Throwable {
450		ExecutorService e = new ForkJoinPool(1);
451	<	Future<?> future = e.submit(new NoOpRunnable());
452	<	future.get();
453	<	assertTrue(future.isDone());
451	>	try {
452	>	Future<?> future = e.submit(new NoOpRunnable());
453	>	assertNull(future.get());
454	>	assertTrue(future.isDone());
455	>	assertFalse(future.isCancelled());
456	>	} finally {
457	>	joinPool(e);
458	>	}
459		}
460
461		/**
#	Line 405 | Line 463 | public class ForkJoinPoolTest extends JS
463		*/
464		public void testSubmitRunnable2() throws Throwable {
465		ExecutorService e = new ForkJoinPool(1);
466	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
467	<	String result = future.get();
468	<	assertSame(TEST_STRING, result);
466	>	try {
467	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
468	>	assertSame(TEST_STRING, future.get());
469	>	assertTrue(future.isDone());
470	>	assertFalse(future.isCancelled());
471	>	} finally {
472	>	joinPool(e);
473	>	}
474		}
475
413	–
476		/**
477	<	* A submitted privileged action to completion
477	>	* A submitted privileged action runs to completion
478		*/
479	<	public void testSubmitPrivilegedAction() throws Throwable {
480	<	Policy savedPolicy = null;
481	<	try {
482	<	savedPolicy = Policy.getPolicy();
483	<	AdjustablePolicy policy = new AdjustablePolicy();
422	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
423	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
424	<	Policy.setPolicy(policy);
425	<	} catch (AccessControlException ok) {
426	<	return;
427	<	}
428	<	try {
479	>	public void testSubmitPrivilegedAction() throws Exception {
480	>	final Callable callable = Executors.callable(new PrivilegedAction() {
481	>	public Object run() { return TEST_STRING; }});
482	>	Runnable r = new CheckedRunnable() {
483	>	public void realRun() throws Exception {
484		ExecutorService e = new ForkJoinPool(1);
485	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
486	<	public Object run() {
487	<	return TEST_STRING;
488	<	}}));
485	>	try {
486	>	Future future = e.submit(callable);
487	>	assertSame(TEST_STRING, future.get());
488	>	} finally {
489	>	joinPool(e);
490	>	}
491	>	}};
492
493	<	Object result = future.get();
436	<	assertSame(TEST_STRING, result);
437	<	}
438	<	finally {
439	<	Policy.setPolicy(savedPolicy);
440	<	}
493	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
494		}
495
496		/**
497	<	* A submitted a privileged exception action runs to completion
497	>	* A submitted privileged exception action runs to completion
498		*/
499	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
500	<	Policy savedPolicy = null;
501	<	try {
502	<	savedPolicy = Policy.getPolicy();
503	<	AdjustablePolicy policy = new AdjustablePolicy();
504	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
452	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
453	<	Policy.setPolicy(policy);
454	<	} catch (AccessControlException ok) {
455	<	return;
456	<	}
457	<
458	<	try {
499	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
500	>	final Callable callable =
501	>	Executors.callable(new PrivilegedExceptionAction() {
502	>	public Object run() { return TEST_STRING; }});
503	>	Runnable r = new CheckedRunnable() {
504	>	public void realRun() throws Exception {
505		ExecutorService e = new ForkJoinPool(1);
506	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
507	<	public Object run() {
508	<	return TEST_STRING;
509	<	}}));
506	>	try {
507	>	Future future = e.submit(callable);
508	>	assertSame(TEST_STRING, future.get());
509	>	} finally {
510	>	joinPool(e);
511	>	}
512	>	}};
513
514	<	Object result = future.get();
466	<	assertSame(TEST_STRING, result);
467	<	}
468	<	finally {
469	<	Policy.setPolicy(savedPolicy);
470	<	}
514	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
515		}
516
517		/**
518		* A submitted failed privileged exception action reports exception
519		*/
520	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
521	<	Policy savedPolicy = null;
522	<	try {
523	<	savedPolicy = Policy.getPolicy();
524	<	AdjustablePolicy policy = new AdjustablePolicy();
525	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
482	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
483	<	Policy.setPolicy(policy);
484	<	} catch (AccessControlException ok) {
485	<	return;
486	<	}
487	<
488	<
489	<	try {
520	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
521	>	final Callable callable =
522	>	Executors.callable(new PrivilegedExceptionAction() {
523	>	public Object run() { throw new IndexOutOfBoundsException(); }});
524	>	Runnable r = new CheckedRunnable() {
525	>	public void realRun() throws Exception {
526		ExecutorService e = new ForkJoinPool(1);
527	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
528	<	public Object run() throws Exception {
529	<	throw new IndexOutOfBoundsException();
530	<	}}));
527	>	try {
528	>	Future future = e.submit(callable);
529	>	try {
530	>	future.get();
531	>	shouldThrow();
532	>	} catch (ExecutionException success) {
533	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
534	>	}
535	>	} finally {
536	>	joinPool(e);
537	>	}
538	>	}};
539
540	<	Object result = future.get();
497	<	shouldThrow();
498	<	} catch (ExecutionException success) {
499	<	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
500	<	} finally {
501	<	Policy.setPolicy(savedPolicy);
502	<	}
540	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
541		}
542
543		/**
544		* execute(null runnable) throws NullPointerException
545		*/
546		public void testExecuteNullRunnable() {
547	+	ExecutorService e = new ForkJoinPool(1);
548		try {
549	<	ExecutorService e = new ForkJoinPool(1);
511	<	TrackedShortRunnable task = null;
512	<	Future<?> future = e.submit(task);
549	>	Future<?> future = e.submit((Runnable) null);
550		shouldThrow();
551	<	} catch (NullPointerException success) {}
551	>	} catch (NullPointerException success) {
552	>	} finally {
553	>	joinPool(e);
554	>	}
555		}
556
517	–
557		/**
558		* submit(null callable) throws NullPointerException
559		*/
560		public void testSubmitNullCallable() {
561	+	ExecutorService e = new ForkJoinPool(1);
562		try {
563	<	ExecutorService e = new ForkJoinPool(1);
524	<	StringTask t = null;
525	<	Future<String> future = e.submit(t);
563	>	Future<String> future = e.submit((Callable) null);
564		shouldThrow();
565	<	} catch (NullPointerException success) {}
565	>	} catch (NullPointerException success) {
566	>	} finally {
567	>	joinPool(e);
568	>	}
569		}
570
530	–
571		/**
572	<	* Blocking on submit(callable) throws InterruptedException if
533	<	* caller interrupted.
572	>	* submit(callable).get() throws InterruptedException if interrupted
573		*/
574		public void testInterruptedSubmit() throws InterruptedException {
575	<	final ForkJoinPool p = new ForkJoinPool(1);
576	<
577	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
578	<	public void realRun() throws Throwable {
579	<	p.submit(new CheckedCallable<Object>() {
580	<	public Object realCall() throws Throwable {
581	<	try {
582	<	Thread.sleep(MEDIUM_DELAY_MS);
583	<	} catch (InterruptedException ok) {
584	<	}
585	<	return null;
586	<	}}).get();
587	<	}});
588	<
589	<	t.start();
590	<	Thread.sleep(SHORT_DELAY_MS);
591	<	t.interrupt();
592	<	t.join();
593	<	p.shutdownNow();
594	<	joinPool(p);
575	>	final CountDownLatch submitted    = new CountDownLatch(1);
576	>	final CountDownLatch quittingTime = new CountDownLatch(1);
577	>	final ExecutorService p = new ForkJoinPool(1);
578	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
579	>	public Void realCall() throws InterruptedException {
580	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
581	>	return null;
582	>	}};
583	>	try {
584	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
585	>	public void realRun() throws Exception {
586	>	Future<Void> future = p.submit(awaiter);
587	>	submitted.countDown();
588	>	future.get();
589	>	}});
590	>	t.start();
591	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
592	>	t.interrupt();
593	>	t.join();
594	>	} finally {
595	>	quittingTime.countDown();
596	>	joinPool(p);
597	>	}
598		}
599
600		/**
#	Line 563 | Line 605 | public class ForkJoinPoolTest extends JS
605		ForkJoinPool p = new ForkJoinPool(1);
606		try {
607		p.submit(new Callable() {
608	<	public Object call() {
609	<	int i = 5/0;
568	<	return Boolean.TRUE;
569	<	}}).get();
608	>	public Object call() { throw new ArithmeticException(); }})
609	>	.get();
610		shouldThrow();
611		} catch (ExecutionException success) {
612		assertTrue(success.getCause() instanceof ArithmeticException);
613	+	} finally {
614	+	joinPool(p);
615		}
574	–
575	–	joinPool(p);
616		}
617
618		/**
#	Line 754 | Line 794 | public class ForkJoinPoolTest extends JS
794		}
795		}
796
757	–
797		/**
798		* timed invokeAny(null) throws NullPointerException
799		*/
800		public void testTimedInvokeAny1() throws Throwable {
801		ExecutorService e = new ForkJoinPool(1);
802		try {
803	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
803	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
804		shouldThrow();
805		} catch (NullPointerException success) {
806		} finally {
#	Line 792 | Line 831 | public class ForkJoinPoolTest extends JS
831		ExecutorService e = new ForkJoinPool(1);
832		try {
833		e.invokeAny(new ArrayList<Callable<String>>(),
834	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
834	>	MEDIUM_DELAY_MS, MILLISECONDS);
835		shouldThrow();
836		} catch (IllegalArgumentException success) {
837		} finally {
#	Line 810 | Line 849 | public class ForkJoinPoolTest extends JS
849		l.add(latchAwaitingStringTask(latch));
850		l.add(null);
851		try {
852	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
852	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
853		shouldThrow();
854		} catch (NullPointerException success) {
855		} finally {
#	Line 827 | Line 866 | public class ForkJoinPoolTest extends JS
866		List<Callable<String>> l = new ArrayList<Callable<String>>();
867		l.add(new NPETask());
868		try {
869	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
869	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
870		shouldThrow();
871		} catch (ExecutionException success) {
872		assertTrue(success.getCause() instanceof NullPointerException);
#	Line 845 | Line 884 | public class ForkJoinPoolTest extends JS
884		List<Callable<String>> l = new ArrayList<Callable<String>>();
885		l.add(new StringTask());
886		l.add(new StringTask());
887	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
887	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
888		assertSame(TEST_STRING, result);
889		} finally {
890		joinPool(e);
#	Line 858 | Line 897 | public class ForkJoinPoolTest extends JS
897		public void testTimedInvokeAll1() throws Throwable {
898		ExecutorService e = new ForkJoinPool(1);
899		try {
900	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
900	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
901		shouldThrow();
902		} catch (NullPointerException success) {
903		} finally {
#	Line 890 | Line 929 | public class ForkJoinPoolTest extends JS
929		try {
930		List<Future<String>> r
931		= e.invokeAll(new ArrayList<Callable<String>>(),
932	<	MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
932	>	MEDIUM_DELAY_MS, MILLISECONDS);
933		assertTrue(r.isEmpty());
934		} finally {
935		joinPool(e);
#	Line 906 | Line 945 | public class ForkJoinPoolTest extends JS
945		l.add(new StringTask());
946		l.add(null);
947		try {
948	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
948	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
949		shouldThrow();
950		} catch (NullPointerException success) {
951		} finally {
#	Line 922 | Line 961 | public class ForkJoinPoolTest extends JS
961		List<Callable<String>> l = new ArrayList<Callable<String>>();
962		l.add(new NPETask());
963		List<Future<String>> futures
964	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
964	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
965		assertEquals(1, futures.size());
966		try {
967		futures.get(0).get();
#	Line 944 | Line 983 | public class ForkJoinPoolTest extends JS
983		l.add(new StringTask());
984		l.add(new StringTask());
985		List<Future<String>> futures
986	<	= e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
986	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
987		assertEquals(2, futures.size());
988		for (Future<String> future : futures)
989		assertSame(TEST_STRING, future.get());

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