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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.1 by dl, Fri Jul 31 23:02:49 2009 UTC vs.
Revision 1.47 by jsr166, Mon Jan 14 22:05:39 2013 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		*/
6
7	–
7		import junit.framework.*;
8	<	import java.util.*;
9	<	import java.util.concurrent.*;
10	<	import java.util.concurrent.locks.*;
11	<	import java.security.*;
8	>	import java.util.ArrayList;
9	>	import java.util.Collection;
10	>	import java.util.List;
11	>	import java.util.concurrent.Executors;
12	>	import java.util.concurrent.ExecutorService;
13	>	import java.util.concurrent.AbstractExecutorService;
14	>	import java.util.concurrent.CountDownLatch;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.Future;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.CancellationException;
19	>	import java.util.concurrent.RejectedExecutionException;
20	>	import java.util.concurrent.ForkJoinPool;
21	>	import java.util.concurrent.ForkJoinTask;
22	>	import java.util.concurrent.ForkJoinWorkerThread;
23	>	import java.util.concurrent.RecursiveTask;
24	>	import java.util.concurrent.TimeUnit;
25	>	import java.util.concurrent.atomic.AtomicBoolean;
26	>	import java.util.concurrent.locks.ReentrantLock;
27	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
28	>	import java.security.AccessControlException;
29	>	import java.security.Policy;
30	>	import java.security.PrivilegedAction;
31	>	import java.security.PrivilegedExceptionAction;
32
33	<	public class ForkJoinPoolTest extends JSR166TestCase{
33	>	public class ForkJoinPoolTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	junit.textui.TestRunner.run(suite());
36		}
37	+
38		public static Test suite() {
39		return new TestSuite(ForkJoinPoolTest.class);
40		}
#	Line 25 | Line 45 | public class ForkJoinPoolTest extends JS
45		* 1. shutdown and related methods are tested via super.joinPool.
46		*
47		* 2. newTaskFor and adapters are tested in submit/invoke tests
48	<	*
48	>	*
49		* 3. We cannot portably test monitoring methods such as
50		* getStealCount() since they rely ultimately on random task
51		* stealing that may cause tasks not to be stolen/propagated
52		* across threads, especially on uniprocessors.
53	<	*
53	>	*
54		* 4. There are no independently testable ForkJoinWorkerThread
55		* methods, but they are covered here and in task tests.
56		*/
#	Line 38 | Line 58 | public class ForkJoinPoolTest extends JS
58		// Some classes to test extension and factory methods
59
60		static class MyHandler implements Thread.UncaughtExceptionHandler {
61	<	int catches = 0;
61	>	volatile int catches = 0;
62		public void uncaughtException(Thread t, Throwable e) {
63		++catches;
64		}
#	Line 47 | Line 67 | public class ForkJoinPoolTest extends JS
67		// to test handlers
68		static class FailingFJWSubclass extends ForkJoinWorkerThread {
69		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
70	<	protected void onStart() { throw new Error(); }
70	>	protected void onStart() { super.onStart(); throw new Error(); }
71		}
72
73	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
74	<	int calls = 0;
75	<	public ForkJoinWorkerThread newThread(ForkJoinPool p){
73	>	static class FailingThreadFactory
74	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
75	>	volatile int calls = 0;
76	>	public ForkJoinWorkerThread newThread(ForkJoinPool p) {
77		if (++calls > 1) return null;
78		return new FailingFJWSubclass(p);
79	<	}
79	>	}
80		}
81
82	<	static class SubFJP extends ForkJoinPool { // to expose protected
82	>	static class SubFJP extends ForkJoinPool { // to expose protected
83		SubFJP() { super(1); }
84		public int drainTasksTo(Collection<? super ForkJoinTask<?>> c) {
85		return super.drainTasksTo(c);
#	Line 83 | Line 104 | public class ForkJoinPoolTest extends JS
104		}
105
106		// A simple recursive task for testing
107	<	static final class FibTask extends RecursiveTask<Integer> {
107	>	static final class FibTask extends RecursiveTask<Integer> {
108		final int number;
109		FibTask(int n) { number = n; }
110		public Integer compute() {
#	Line 97 | Line 118 | public class ForkJoinPoolTest extends JS
118		}
119
120		// A failing task for testing
121	<	static final class FailingTask extends ForkJoinTask<Void> {
121	>	static final class FailingTask extends ForkJoinTask<Void> {
122		public final Void getRawResult() { return null; }
123		protected final void setRawResult(Void mustBeNull) { }
124		protected final boolean exec() { throw new Error(); }
#	Line 105 | Line 126 | public class ForkJoinPoolTest extends JS
126		}
127
128		// Fib needlessly using locking to test ManagedBlockers
129	<	static final class LockingFibTask extends RecursiveTask<Integer> {
129	>	static final class LockingFibTask extends RecursiveTask<Integer> {
130		final int number;
131		final ManagedLocker locker;
132		final ReentrantLock lock;
133	<	LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) {
134	<	number = n;
133	>	LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) {
134	>	number = n;
135		this.locker = locker;
136		this.lock = lock;
137		}
#	Line 119 | Line 140 | public class ForkJoinPoolTest extends JS
140		LockingFibTask f1 = null;
141		LockingFibTask f2 = null;
142		locker.block();
143	<	n = number;
143	>	n = number;
144		if (n > 1) {
145		f1 = new LockingFibTask(n - 1, locker, lock);
146		f2 = new LockingFibTask(n - 2, locker, lock);
#	Line 134 | Line 155 | public class ForkJoinPoolTest extends JS
155		}
156		}
157
158	<	/**
159	<	* Succesfully constructed pool reports default factory,
158	>	/**
159	>	* Successfully constructed pool reports default factory,
160		* parallelism and async mode policies, no active threads or
161		* tasks, and quiescent running state.
162		*/
163		public void testDefaultInitialState() {
164	<	ForkJoinPool p = null;
164	>	ForkJoinPool p = new ForkJoinPool(1);
165		try {
166	<	p = new ForkJoinPool(1);
167	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
166	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
167	>	p.getFactory());
168		assertFalse(p.getAsyncMode());
169	<	assertTrue(p.getActiveThreadCount() == 0);
170	<	assertTrue(p.getStealCount() == 0);
171	<	assertTrue(p.getQueuedTaskCount() == 0);
172	<	assertTrue(p.getQueuedSubmissionCount() == 0);
169	>	assertEquals(0, p.getActiveThreadCount());
170	>	assertEquals(0, p.getStealCount());
171	>	assertEquals(0, p.getQueuedTaskCount());
172	>	assertEquals(0, p.getQueuedSubmissionCount());
173		assertFalse(p.hasQueuedSubmissions());
174		assertFalse(p.isShutdown());
175		assertFalse(p.isTerminating());
#	Line 160 | Line 179 | public class ForkJoinPoolTest extends JS
179		}
180		}
181
182	<	/**
183	<	* Constructor throws if size argument is less than zero
182	>	/**
183	>	* Constructor throws if size argument is less than zero
184		*/
185		public void testConstructor1() {
186		try {
187		new ForkJoinPool(-1);
188		shouldThrow();
189	<	}
171	<	catch (IllegalArgumentException success){}
189	>	} catch (IllegalArgumentException success) {}
190		}
191
192	<	/**
193	<	* Constructor throws if factory argument is null
192	>	/**
193	>	* Constructor throws if factory argument is null
194		*/
195		public void testConstructor2() {
196		try {
197	<	new ForkJoinPool(1, null);
197	>	new ForkJoinPool(1, null, null, false);
198		shouldThrow();
199	<	}
182	<	catch (NullPointerException success){}
199	>	} catch (NullPointerException success) {}
200		}
201
202	<
203	<	/**
187	<	* getParallelism returns size set in constructor
202	>	/**
203	>	* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206	<	ForkJoinPool p = null;
191	<	try {
192	<	p = new ForkJoinPool(1);
193	<	assertTrue(p.getParallelism() == 1);
194	<	} finally {
195	<	joinPool(p);
196	<	}
197	<	}
198	<
199	<	/**
200	<	* setParallelism changes reported parallelism level.
201	<	*/
202	<	public void testSetParallelism() {
203	<	ForkJoinPool p = null;
204	<	try {
205	<	p = new ForkJoinPool(1);
206	<	assertTrue(p.getParallelism() == 1);
207	<	p.setParallelism(2);
208	<	assertTrue(p.getParallelism() == 2);
209	<	} finally {
210	<	joinPool(p);
211	<	}
212	<	}
213	<
214	<	/**
215	<	* setParallelism with argument <= 0 throws exception
216	<	*/
217	<	public void testSetParallelism2() {
218	<	ForkJoinPool p = null;
206	>	ForkJoinPool p = new ForkJoinPool(1);
207		try {
208	<	p = new ForkJoinPool(1);
221	<	assertTrue(p.getParallelism() == 1);
222	<	p.setParallelism(-2);
223	<	shouldThrow();
224	<	}catch (IllegalArgumentException success){
208	>	assertEquals(1, p.getParallelism());
209		} finally {
210		joinPool(p);
211		}
212		}
213
214	<	/**
214	>	/**
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);
237	<	assertTrue(p.getPoolSize() == 0);
220	>	assertEquals(0, p.getActiveThreadCount());
221		Future<String> future = p.submit(new StringTask());
222	<	assertTrue(p.getPoolSize() == 1);
240	<
241	<	} finally {
242	<	joinPool(p);
243	<	}
244	<	}
245	<
246	<	/**
247	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
248	<	*/
249	<	public void testSetMaximumPoolSize() {
250	<	ForkJoinPool p = null;
251	<	try {
252	<	p = new ForkJoinPool(1);
253	<	p.setMaximumPoolSize(2);
254	<	assertTrue(p.getMaximumPoolSize() == 2);
255	<	} finally {
256	<	joinPool(p);
257	<	}
258	<	}
259	<
260	<	/**
261	<	* setMaximumPoolSize with argument <= 0 throws exception
262	<	*/
263	<	public void testSetMaximumPoolSize2() {
264	<	ForkJoinPool p = null;
265	<	try {
266	<	p = new ForkJoinPool(1);
267	<	p.setMaximumPoolSize(-2);
268	<	shouldThrow();
269	<	}catch (IllegalArgumentException success){
270	<	} finally {
271	<	joinPool(p);
272	<	}
273	<	}
274	<
275	<	/**
276	<	* setMaintainsParallelism changes policy reported by
277	<	* getMaintainsParallelism.
278	<	*/
279	<	public void testSetMaintainsParallelism() {
280	<	ForkJoinPool p = null;
281	<	try {
282	<	p = new ForkJoinPool(1);
283	<	p.setMaintainsParallelism(false);
284	<	assertFalse(p.getMaintainsParallelism());
285	<	} finally {
286	<	joinPool(p);
287	<	}
288	<	}
289	<
290	<	/**
291	<	* setAsyncMode changes policy reported by
292	<	* getAsyncMode.
293	<	*/
294	<	public void testSetAsyncMode() {
295	<	ForkJoinPool p = null;
296	<	try {
297	<	p = new ForkJoinPool(1);
298	<	p.setAsyncMode(true);
299	<	assertTrue(p.getAsyncMode());
222	>	assertEquals(1, p.getPoolSize());
223		} finally {
224		joinPool(p);
225		}
226		}
227
228	<	/**
228	>	/**
229		* setUncaughtExceptionHandler changes handler for uncaught exceptions.
230		*
231		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
232		* performs its defined action
233		*/
234	<	public void testSetUncaughtExceptionHandler() {
235	<	ForkJoinPool p = null;
234	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
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);
247	<	assertEquals(eh, p.getUncaughtExceptionHandler());
248	<	p.execute(new FailingTask());
249	<	Thread.sleep(MEDIUM_DELAY_MS);
320	<	assertTrue(eh.catches > 0);
321	<	} catch(InterruptedException e){
322	<	unexpectedException();
244	>	assertSame(eh, p.getUncaughtExceptionHandler());
245	>	try {
246	>	p.execute(new FibTask(8));
247	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
248	>	} catch (RejectedExecutionException ok) {
249	>	}
250		} finally {
251	+	p.shutdownNow(); // failure might have prevented processing task
252		joinPool(p);
253		}
254		}
255
256	<	/**
257	<	* setUncaughtExceptionHandler of null removes handler
256	>	/**
257	>	* After invoking a single task, isQuiescent eventually becomes
258	>	* true, at which time queues are empty, threads are not active,
259	>	* the task has completed successfully, and construction
260	>	* parameters continue to hold
261		*/
262	<	public void testSetUncaughtExceptionHandler2() {
263	<	ForkJoinPool p = null;
262	>	public void testIsQuiescent() throws Exception {
263	>	ForkJoinPool p = new ForkJoinPool(2);
264		try {
265	<	p = new ForkJoinPool(1);
266	<	p.setUncaughtExceptionHandler(null);
267	<	assertNull(p.getUncaughtExceptionHandler());
268	<	} finally {
269	<	joinPool(p);
270	<	}
271	<	}
272	<
265	>	assertTrue(p.isQuiescent());
266	>	long startTime = System.nanoTime();
267	>	FibTask f = new FibTask(20);
268	>	p.invoke(f);
269	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
270	>	p.getFactory());
271	>	while (! p.isQuiescent()) {
272	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
273	>	throw new AssertionFailedError("timed out");
274	>	assertFalse(p.getAsyncMode());
275	>	assertFalse(p.isShutdown());
276	>	assertFalse(p.isTerminating());
277	>	assertFalse(p.isTerminated());
278	>	Thread.yield();
279	>	}
280
343	–	/**
344	–	* After invoking a single task, isQuiescent is true,
345	–	* queues are empty, threads are not active, and
346	–	* construction parameters continue to hold
347	–	*/
348	–	public void testisQuiescent() {
349	–	ForkJoinPool p = null;
350	–	try {
351	–	p = new ForkJoinPool(2);
352	–	p.invoke(new FibTask(20));
353	–	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
354	–	Thread.sleep(MEDIUM_DELAY_MS);
281		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
282		assertFalse(p.getAsyncMode());
283	<	assertTrue(p.getActiveThreadCount() == 0);
284	<	assertTrue(p.getQueuedTaskCount() == 0);
285	<	assertTrue(p.getQueuedSubmissionCount() == 0);
283	>	assertEquals(0, p.getActiveThreadCount());
284	>	assertEquals(0, p.getQueuedTaskCount());
285	>	assertEquals(0, p.getQueuedSubmissionCount());
286		assertFalse(p.hasQueuedSubmissions());
287		assertFalse(p.isShutdown());
288		assertFalse(p.isTerminating());
289		assertFalse(p.isTerminated());
290	<	} catch(InterruptedException e){
291	<	unexpectedException();
290	>	assertTrue(f.isDone());
291	>	assertEquals(6765, (int) f.get());
292		} finally {
293		joinPool(p);
294		}
#	Line 372 | Line 297 | public class ForkJoinPoolTest extends JS
297		/**
298		* Completed submit(ForkJoinTask) returns result
299		*/
300	<	public void testSubmitForkJoinTask() {
301	<	ForkJoinPool p = null;
300	>	public void testSubmitForkJoinTask() throws Throwable {
301	>	ForkJoinPool p = new ForkJoinPool(1);
302		try {
378	–	p = new ForkJoinPool(1);
303		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
304	<	int r = f.get();
381	<	assertTrue(r == 21);
382	<	} catch (ExecutionException ex) {
383	<	unexpectedException();
384	<	} catch (InterruptedException ex) {
385	<	unexpectedException();
304	>	assertEquals(21, (int) f.get());
305		} finally {
306		joinPool(p);
307		}
#	Line 392 | Line 311 | public class ForkJoinPoolTest extends JS
311		* A task submitted after shutdown is rejected
312		*/
313		public void testSubmitAfterShutdown() {
314	<	ForkJoinPool p = null;
314	>	ForkJoinPool p = new ForkJoinPool(1);
315		try {
397	–	p = new ForkJoinPool(1);
316		p.shutdown();
317		assertTrue(p.isShutdown());
318	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
319	<	shouldThrow();
320	<	} catch (RejectedExecutionException success) {
318	>	try {
319	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
320	>	shouldThrow();
321	>	} catch (RejectedExecutionException success) {}
322		} finally {
323		joinPool(p);
324		}
#	Line 408 | Line 327 | public class ForkJoinPoolTest extends JS
327		/**
328		* Pool maintains parallelism when using ManagedBlocker
329		*/
330	<	public void testBlockingForkJoinTask() {
331	<	ForkJoinPool p = null;
330	>	public void testBlockingForkJoinTask() throws Throwable {
331	>	ForkJoinPool p = new ForkJoinPool(4);
332		try {
414	–	p = new ForkJoinPool(4);
333		ReentrantLock lock = new ReentrantLock();
334		ManagedLocker locker = new ManagedLocker(lock);
335	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
335	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
336		p.execute(f);
337	<	assertTrue(p.getPoolSize() >= 4);
420	<	int r = f.get();
421	<	assertTrue(r ==  832040);
422	<	} catch (ExecutionException ex) {
423	<	unexpectedException();
424	<	} catch (InterruptedException ex) {
425	<	unexpectedException();
337	>	assertEquals(6765, (int) f.get());
338		} finally {
339	<	joinPool(p);
339	>	p.shutdownNow(); // don't wait out shutdown
340		}
341		}
342
#	Line 432 | Line 344 | public class ForkJoinPoolTest extends JS
344		* pollSubmission returns unexecuted submitted task, if present
345		*/
346		public void testPollSubmission() {
347	<	SubFJP p = null;
347	>	final CountDownLatch done = new CountDownLatch(1);
348	>	SubFJP p = new SubFJP();
349		try {
350	<	p = new SubFJP();
351	<	ForkJoinTask a = p.submit(new MediumRunnable());
352	<	ForkJoinTask b = p.submit(new MediumRunnable());
440	<	ForkJoinTask c = p.submit(new MediumRunnable());
350	>	ForkJoinTask a = p.submit(awaiter(done));
351	>	ForkJoinTask b = p.submit(awaiter(done));
352	>	ForkJoinTask c = p.submit(awaiter(done));
353		ForkJoinTask r = p.pollSubmission();
354		assertTrue(r == a || r == b || r == c);
355		assertFalse(r.isDone());
356		} finally {
357	+	done.countDown();
358		joinPool(p);
359		}
360		}
#	Line 450 | Line 363 | public class ForkJoinPoolTest extends JS
363		* drainTasksTo transfers unexecuted submitted tasks, if present
364		*/
365		public void testDrainTasksTo() {
366	<	SubFJP p = null;
366	>	final CountDownLatch done = new CountDownLatch(1);
367	>	SubFJP p = new SubFJP();
368		try {
369	<	p = new SubFJP();
370	<	ForkJoinTask a = p.submit(new MediumRunnable());
371	<	ForkJoinTask b = p.submit(new MediumRunnable());
458	<	ForkJoinTask c = p.submit(new MediumRunnable());
369	>	ForkJoinTask a = p.submit(awaiter(done));
370	>	ForkJoinTask b = p.submit(awaiter(done));
371	>	ForkJoinTask c = p.submit(awaiter(done));
372		ArrayList<ForkJoinTask> al = new ArrayList();
373		p.drainTasksTo(al);
374		assertTrue(al.size() > 0);
#	Line 464 | Line 377 | public class ForkJoinPoolTest extends JS
377		assertFalse(r.isDone());
378		}
379		} finally {
380	+	done.countDown();
381		joinPool(p);
382		}
383		}
384
471	–
385		// FJ Versions of AbstractExecutorService tests
386
387		/**
388		* execute(runnable) runs it to completion
389		*/
390	<	public void testExecuteRunnable() {
390	>	public void testExecuteRunnable() throws Throwable {
391	>	ExecutorService e = new ForkJoinPool(1);
392		try {
393	<	ExecutorService e = new ForkJoinPool(1);
394	<	TrackedShortRunnable task = new TrackedShortRunnable();
395	<	assertFalse(task.done);
393	>	final AtomicBoolean done = new AtomicBoolean(false);
394	>	CheckedRunnable task = new CheckedRunnable() {
395	>	public void realRun() {
396	>	done.set(true);
397	>	}};
398		Future<?> future = e.submit(task);
399	<	future.get();
400	<	assertTrue(task.done);
401	<	}
402	<	catch (ExecutionException ex) {
403	<	unexpectedException();
404	<	}
405	<	catch (InterruptedException ex) {
490	<	unexpectedException();
399	>	assertNull(future.get());
400	>	assertNull(future.get(0, MILLISECONDS));
401	>	assertTrue(done.get());
402	>	assertTrue(future.isDone());
403	>	assertFalse(future.isCancelled());
404	>	} finally {
405	>	joinPool(e);
406		}
407		}
408
494	–
409		/**
410		* Completed submit(callable) returns result
411		*/
412	<	public void testSubmitCallable() {
412	>	public void testSubmitCallable() throws Throwable {
413	>	ExecutorService e = new ForkJoinPool(1);
414		try {
500	–	ExecutorService e = new ForkJoinPool(1);
415		Future<String> future = e.submit(new StringTask());
416	<	String result = future.get();
417	<	assertSame(TEST_STRING, result);
418	<	}
419	<	catch (ExecutionException ex) {
420	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
416	>	assertSame(TEST_STRING, future.get());
417	>	assertTrue(future.isDone());
418	>	assertFalse(future.isCancelled());
419	>	} finally {
420	>	joinPool(e);
421		}
422		}
423
424		/**
425		* Completed submit(runnable) returns successfully
426		*/
427	<	public void testSubmitRunnable() {
427	>	public void testSubmitRunnable() throws Throwable {
428	>	ExecutorService e = new ForkJoinPool(1);
429		try {
518	–	ExecutorService e = new ForkJoinPool(1);
430		Future<?> future = e.submit(new NoOpRunnable());
431	<	future.get();
431	>	assertNull(future.get());
432		assertTrue(future.isDone());
433	<	}
434	<	catch (ExecutionException ex) {
435	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
433	>	assertFalse(future.isCancelled());
434	>	} finally {
435	>	joinPool(e);
436		}
437		}
438
439		/**
440		* Completed submit(runnable, result) returns result
441		*/
442	<	public void testSubmitRunnable2() {
442	>	public void testSubmitRunnable2() throws Throwable {
443	>	ExecutorService e = new ForkJoinPool(1);
444		try {
536	–	ExecutorService e = new ForkJoinPool(1);
445		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
446	<	String result = future.get();
447	<	assertSame(TEST_STRING, result);
448	<	}
449	<	catch (ExecutionException ex) {
450	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
446	>	assertSame(TEST_STRING, future.get());
447	>	assertTrue(future.isDone());
448	>	assertFalse(future.isCancelled());
449	>	} finally {
450	>	joinPool(e);
451		}
452		}
453
549	–
454		/**
455	<	* A submitted privileged action to completion
455	>	* A submitted privileged action runs to completion
456		*/
457	<	public void testSubmitPrivilegedAction() {
458	<	Policy savedPolicy = null;
459	<	try {
460	<	savedPolicy = Policy.getPolicy();
461	<	AdjustablePolicy policy = new AdjustablePolicy();
558	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
559	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
560	<	Policy.setPolicy(policy);
561	<	} catch(AccessControlException ok) {
562	<	return;
563	<	}
564	<	try {
565	<	ExecutorService e = new ForkJoinPool(1);
566	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
457	>	public void testSubmitPrivilegedAction() throws Exception {
458	>	Runnable r = new CheckedRunnable() {
459	>	public void realRun() throws Exception {
460	>	ExecutorService e = new ForkJoinPool(1);
461	>	Future future = e.submit(Executors.callable(new PrivilegedAction() {
462		public Object run() {
463		return TEST_STRING;
464		}}));
465
466	<	Object result = future.get();
467	<	assertSame(TEST_STRING, result);
468	<	}
469	<	catch (ExecutionException ex) {
470	<	unexpectedException();
576	<	}
577	<	catch (InterruptedException ex) {
578	<	unexpectedException();
579	<	}
580	<	finally {
581	<	try {
582	<	Policy.setPolicy(savedPolicy);
583	<	} catch(AccessControlException ok) {
584	<	return;
585	<	}
586	<	}
466	>	assertSame(TEST_STRING, future.get());
467	>	}};
468	>
469	>	runWithPermissions(r,
470	>	new RuntimePermission("modifyThread"));
471		}
472
473		/**
474	<	* A submitted a privileged exception action runs to completion
474	>	* A submitted privileged exception action runs to completion
475		*/
476	<	public void testSubmitPrivilegedExceptionAction() {
477	<	Policy savedPolicy = null;
478	<	try {
479	<	savedPolicy = Policy.getPolicy();
480	<	AdjustablePolicy policy = new AdjustablePolicy();
597	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
598	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
599	<	Policy.setPolicy(policy);
600	<	} catch(AccessControlException ok) {
601	<	return;
602	<	}
603	<
604	<	try {
605	<	ExecutorService e = new ForkJoinPool(1);
606	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
476	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
477	>	Runnable r = new CheckedRunnable() {
478	>	public void realRun() throws Exception {
479	>	ExecutorService e = new ForkJoinPool(1);
480	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
481		public Object run() {
482		return TEST_STRING;
483		}}));
484
485	<	Object result = future.get();
486	<	assertSame(TEST_STRING, result);
487	<	}
488	<	catch (ExecutionException ex) {
615	<	unexpectedException();
616	<	}
617	<	catch (InterruptedException ex) {
618	<	unexpectedException();
619	<	}
620	<	finally {
621	<	Policy.setPolicy(savedPolicy);
622	<	}
485	>	assertSame(TEST_STRING, future.get());
486	>	}};
487	>
488	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
489		}
490
491		/**
492		* A submitted failed privileged exception action reports exception
493		*/
494	<	public void testSubmitFailedPrivilegedExceptionAction() {
495	<	Policy savedPolicy = null;
496	<	try {
497	<	savedPolicy = Policy.getPolicy();
498	<	AdjustablePolicy policy = new AdjustablePolicy();
633	<	policy.addPermission(new RuntimePermission("getContextClassLoader"));
634	<	policy.addPermission(new RuntimePermission("setContextClassLoader"));
635	<	Policy.setPolicy(policy);
636	<	} catch(AccessControlException ok) {
637	<	return;
638	<	}
639	<
640	<
641	<	try {
642	<	ExecutorService e = new ForkJoinPool(1);
643	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
494	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
495	>	Runnable r = new CheckedRunnable() {
496	>	public void realRun() throws Exception {
497	>	ExecutorService e = new ForkJoinPool(1);
498	>	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
499		public Object run() throws Exception {
500		throw new IndexOutOfBoundsException();
501		}}));
502
503	<	Object result = future.get();
504	<	shouldThrow();
505	<	}
506	<	catch (ExecutionException success) {
507	<	} catch (CancellationException success) {
508	<	} catch (InterruptedException ex) {
509	<	unexpectedException();
510	<	}
656	<	finally {
657	<	Policy.setPolicy(savedPolicy);
658	<	}
503	>	try {
504	>	future.get();
505	>	shouldThrow();
506	>	} catch (ExecutionException success) {
507	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
508	>	}}};
509	>
510	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
511		}
512
513		/**
514	<	* execute(null runnable) throws NPE
514	>	* execute(null runnable) throws NullPointerException
515		*/
516		public void testExecuteNullRunnable() {
517	+	ExecutorService e = new ForkJoinPool(1);
518		try {
519	<	ExecutorService e = new ForkJoinPool(1);
667	<	TrackedShortRunnable task = null;
668	<	Future<?> future = e.submit(task);
519	>	Future<?> future = e.submit((Runnable) null);
520		shouldThrow();
521	<	}
522	<	catch (NullPointerException success) {
523	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
521	>	} catch (NullPointerException success) {
522	>	} finally {
523	>	joinPool(e);
524		}
525		}
526
678	–
527		/**
528	<	* submit(null callable) throws NPE
528	>	* submit(null callable) throws NullPointerException
529		*/
530		public void testSubmitNullCallable() {
531	+	ExecutorService e = new ForkJoinPool(1);
532		try {
533	<	ExecutorService e = new ForkJoinPool(1);
685	<	StringTask t = null;
686	<	Future<String> future = e.submit(t);
533	>	Future<String> future = e.submit((Callable) null);
534		shouldThrow();
535	<	}
536	<	catch (NullPointerException success) {
537	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
535	>	} catch (NullPointerException success) {
536	>	} finally {
537	>	joinPool(e);
538		}
539		}
540
696	–
541		/**
542	<	*  Blocking on submit(callable) throws InterruptedException if
699	<	*  caller interrupted.
542	>	* submit(callable).get() throws InterruptedException if interrupted
543		*/
544	<	public void testInterruptedSubmit() {
545	<	final ForkJoinPool p = new ForkJoinPool(1);
546	<	Thread t = new Thread(new Runnable() {
547	<	public void run() {
548	<	try {
549	<	p.submit(new Callable<Object>() {
550	<	public Object call() {
551	<	try {
552	<	Thread.sleep(MEDIUM_DELAY_MS);
553	<	shouldThrow();
554	<	} catch(InterruptedException e){
555	<	}
556	<	return null;
557	<	}
558	<	}).get();
559	<	} catch(InterruptedException success){
717	<	} catch(Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
544	>	public void testInterruptedSubmit() throws InterruptedException {
545	>	final CountDownLatch submitted    = new CountDownLatch(1);
546	>	final CountDownLatch quittingTime = new CountDownLatch(1);
547	>	final ExecutorService p = new ForkJoinPool(1);
548	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
549	>	public Void realCall() throws InterruptedException {
550	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
551	>	return null;
552	>	}};
553	>	try {
554	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
555	>	public void realRun() throws Exception {
556	>	Future<Void> future = p.submit(awaiter);
557	>	submitted.countDown();
558	>	future.get();
559	>	}});
560		t.start();
561	<	Thread.sleep(SHORT_DELAY_MS);
561	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
562		t.interrupt();
563	<	} catch(Exception e){
564	<	unexpectedException();
563	>	t.join();
564	>	} finally {
565	>	quittingTime.countDown();
566	>	joinPool(p);
567		}
730	–	joinPool(p);
568		}
569
570		/**
571	<	*  get of submit(callable) throws ExecutionException if callable
572	<	*  throws exception
571	>	* get of submit(callable) throws ExecutionException if callable
572	>	* throws exception
573		*/
574	<	public void testSubmitEE() {
574	>	public void testSubmitEE() throws Throwable {
575		ForkJoinPool p = new ForkJoinPool(1);
739	–
576		try {
577	<	Callable c = new Callable() {
578	<	public Object call() {
579	<	int i = 5/0;
744	<	return Boolean.TRUE;
745	<	}
746	<	};
747	<
748	<	for(int i =0; i < 5; i++){
749	<	p.submit(c).get();
750	<	}
751	<
577	>	p.submit(new Callable() {
578	>	public Object call() { throw new ArithmeticException(); }})
579	>	.get();
580		shouldThrow();
581	+	} catch (ExecutionException success) {
582	+	assertTrue(success.getCause() instanceof ArithmeticException);
583	+	} finally {
584	+	joinPool(p);
585		}
754	–	catch(ExecutionException success){
755	–	} catch (CancellationException success) {
756	–	} catch(Exception e) {
757	–	unexpectedException();
758	–	}
759	–	joinPool(p);
586		}
587
588		/**
589	<	* invokeAny(null) throws NPE
589	>	* invokeAny(null) throws NullPointerException
590		*/
591	<	public void testInvokeAny1() {
591	>	public void testInvokeAny1() throws Throwable {
592		ExecutorService e = new ForkJoinPool(1);
593		try {
594		e.invokeAny(null);
595	+	shouldThrow();
596		} catch (NullPointerException success) {
770	–	} catch(Exception ex) {
771	–	unexpectedException();
597		} finally {
598		joinPool(e);
599		}
600		}
601
602		/**
603	<	* invokeAny(empty collection) throws IAE
603	>	* invokeAny(empty collection) throws IllegalArgumentException
604		*/
605	<	public void testInvokeAny2() {
605	>	public void testInvokeAny2() throws Throwable {
606		ExecutorService e = new ForkJoinPool(1);
607		try {
608		e.invokeAny(new ArrayList<Callable<String>>());
609	+	shouldThrow();
610		} catch (IllegalArgumentException success) {
785	–	} catch(Exception ex) {
786	–	unexpectedException();
611		} finally {
612		joinPool(e);
613		}
614		}
615
616		/**
617	<	* invokeAny(c) throws NPE if c has null elements
617	>	* invokeAny(c) throws NullPointerException if c has a single null element
618		*/
619	<	public void testInvokeAny3() {
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 {
798	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
799	–	l.add(new StringTask());
800	–	l.add(null);
624		e.invokeAny(l);
625	+	shouldThrow();
626		} catch (NullPointerException success) {
803	–	} catch(Exception ex) {
804	–	ex.printStackTrace();
805	–	unexpectedException();
627		} finally {
628		joinPool(e);
629		}
630		}
631
632		/**
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 {
642	+	e.invokeAny(l);
643	+	shouldThrow();
644	+	} catch (NullPointerException success) {
645	+	} finally {
646	+	latch.countDown();
647	+	joinPool(e);
648	+	}
649	+	}
650	+
651	+	/**
652		* invokeAny(c) throws ExecutionException if no task in c completes
653		*/
654	<	public void testInvokeAny4() {
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 {
817	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
818	–	l.add(new NPETask());
659		e.invokeAny(l);
660	<	} catch(ExecutionException success) {
661	<	} catch (CancellationException success) {
662	<	} catch(Exception ex) {
823	<	unexpectedException();
660	>	shouldThrow();
661	>	} catch (ExecutionException success) {
662	>	assertTrue(success.getCause() instanceof NullPointerException);
663		} finally {
664		joinPool(e);
665		}
#	Line 829 | Line 668 | public class ForkJoinPoolTest extends JS
668		/**
669		* invokeAny(c) returns result of some task in c if at least one completes
670		*/
671	<	public void testInvokeAny5() {
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);
678		assertSame(TEST_STRING, result);
840	–	} catch (ExecutionException success) {
841	–	} catch (CancellationException success) {
842	–	} catch(Exception ex) {
843	–	unexpectedException();
679		} finally {
680		joinPool(e);
681		}
682		}
683
684		/**
685	<	* invokeAll(null) throws NPE
685	>	* invokeAll(null) throws NullPointerException
686		*/
687	<	public void testInvokeAll1() {
687	>	public void testInvokeAll1() throws Throwable {
688		ExecutorService e = new ForkJoinPool(1);
689		try {
690		e.invokeAll(null);
691	+	shouldThrow();
692		} catch (NullPointerException success) {
857	–	} catch(Exception ex) {
858	–	unexpectedException();
693		} finally {
694		joinPool(e);
695		}
#	Line 864 | Line 698 | public class ForkJoinPoolTest extends JS
698		/**
699		* invokeAll(empty collection) returns empty collection
700		*/
701	<	public void testInvokeAll2() {
701	>	public void testInvokeAll2() throws InterruptedException {
702		ExecutorService e = new ForkJoinPool(1);
703		try {
704	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
704	>	List<Future<String>> r
705	>	= e.invokeAll(new ArrayList<Callable<String>>());
706		assertTrue(r.isEmpty());
872	–	} catch(Exception ex) {
873	–	unexpectedException();
707		} finally {
708		joinPool(e);
709		}
710		}
711
712		/**
713	<	* invokeAll(c) throws NPE if c has null elements
713	>	* invokeAll(c) throws NullPointerException if c has null elements
714		*/
715	<	public void testInvokeAll3() {
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 {
885	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
886	–	l.add(new StringTask());
887	–	l.add(null);
721		e.invokeAll(l);
722	+	shouldThrow();
723		} catch (NullPointerException success) {
890	–	} catch(Exception ex) {
891	–	unexpectedException();
724		} finally {
725		joinPool(e);
726		}
727		}
728
729		/**
730	<	* get of returned element of invokeAll(c) throws exception on failed task
730	>	* get of returned element of invokeAll(c) throws
731	>	* ExecutionException on failed task
732		*/
733	<	public void testInvokeAll4() {
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>>();
741	<	l.add(new NPETask());
742	<	List<Future<String>> result = e.invokeAll(l);
743	<	assertEquals(1, result.size());
907	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
908	<	it.next().get();
909	<	} catch(ExecutionException success) {
910	<	} catch (CancellationException success) {
911	<	} catch(Exception ex) {
912	<	ex.printStackTrace();
913	<	unexpectedException();
740	>	futures.get(0).get();
741	>	shouldThrow();
742	>	} catch (ExecutionException success) {
743	>	assertTrue(success.getCause() instanceof NullPointerException);
744		} finally {
745		joinPool(e);
746		}
#	Line 919 | Line 749 | public class ForkJoinPoolTest extends JS
749		/**
750		* invokeAll(c) returns results of all completed tasks in c
751		*/
752	<	public void testInvokeAll5() {
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 (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
761	<	assertSame(TEST_STRING, it.next().get());
932	<	} catch (ExecutionException success) {
933	<	} catch (CancellationException success) {
934	<	} catch(Exception ex) {
935	<	ex.printStackTrace();
936	<	unexpectedException();
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);
764		}
765		}
766
942	–
767		/**
768	<	* timed invokeAny(null) throws NPE
768	>	* timed invokeAny(null) throws NullPointerException
769		*/
770	<	public void testTimedInvokeAny1() {
770	>	public void testTimedInvokeAny1() throws Throwable {
771		ExecutorService e = new ForkJoinPool(1);
772		try {
773	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
773	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
774	>	shouldThrow();
775		} catch (NullPointerException success) {
951	–	} catch(Exception ex) {
952	–	ex.printStackTrace();
953	–	unexpectedException();
776		} finally {
777		joinPool(e);
778		}
779		}
780
781		/**
782	<	* timed invokeAny(null time unit) throws NPE
782	>	* timed invokeAny(null time unit) throws NullPointerException
783		*/
784	<	public void testTimedInvokeAnyNullTimeUnit() {
784	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
785		ExecutorService e = new ForkJoinPool(1);
786	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
787	+	l.add(new StringTask());
788		try {
965	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
966	–	l.add(new StringTask());
789		e.invokeAny(l, MEDIUM_DELAY_MS, null);
790	+	shouldThrow();
791		} catch (NullPointerException success) {
969	–	} catch(Exception ex) {
970	–	ex.printStackTrace();
971	–	unexpectedException();
792		} finally {
793		joinPool(e);
794		}
795		}
796
797		/**
798	<	* timed invokeAny(empty collection) throws IAE
798	>	* timed invokeAny(empty collection) throws IllegalArgumentException
799		*/
800	<	public void testTimedInvokeAny2() {
800	>	public void testTimedInvokeAny2() throws Throwable {
801		ExecutorService e = new ForkJoinPool(1);
802		try {
803	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
803	>	e.invokeAny(new ArrayList<Callable<String>>(),
804	>	MEDIUM_DELAY_MS, MILLISECONDS);
805	>	shouldThrow();
806		} catch (IllegalArgumentException success) {
985	–	} catch(Exception ex) {
986	–	ex.printStackTrace();
987	–	unexpectedException();
807		} finally {
808		joinPool(e);
809		}
810		}
811
812		/**
813	<	* timed invokeAny(c) throws NPE if c has null elements
813	>	* timed invokeAny(c) throws NullPointerException if c has null elements
814		*/
815	<	public void testTimedInvokeAny3() {
815	>	public void testTimedInvokeAny3() throws Throwable {
816	>	CountDownLatch latch = new CountDownLatch(1);
817		ExecutorService e = new ForkJoinPool(1);
818	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
819	+	l.add(latchAwaitingStringTask(latch));
820	+	l.add(null);
821		try {
822	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
823	<	l.add(new StringTask());
1001	<	l.add(null);
1002	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
822	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
823	>	shouldThrow();
824		} catch (NullPointerException success) {
1004	–	} catch(Exception ex) {
1005	–	ex.printStackTrace();
1006	–	unexpectedException();
825		} finally {
826	+	latch.countDown();
827		joinPool(e);
828		}
829		}
#	Line 1012 | Line 831 | public class ForkJoinPoolTest extends JS
831		/**
832		* timed invokeAny(c) throws ExecutionException if no task completes
833		*/
834	<	public void testTimedInvokeAny4() {
834	>	public void testTimedInvokeAny4() throws Throwable {
835		ExecutorService e = new ForkJoinPool(1);
836	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
837	+	l.add(new NPETask());
838		try {
839	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
840	<	l.add(new NPETask());
841	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
842	<	} catch(ExecutionException success) {
1022	<	} catch (CancellationException success) {
1023	<	} catch(Exception ex) {
1024	<	ex.printStackTrace();
1025	<	unexpectedException();
839	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
840	>	shouldThrow();
841	>	} catch (ExecutionException success) {
842	>	assertTrue(success.getCause() instanceof NullPointerException);
843		} finally {
844		joinPool(e);
845		}
#	Line 1031 | Line 848 | public class ForkJoinPoolTest extends JS
848		/**
849		* timed invokeAny(c) returns result of some task in c
850		*/
851	<	public void testTimedInvokeAny5() {
851	>	public void testTimedInvokeAny5() throws Throwable {
852		ExecutorService e = new ForkJoinPool(1);
853		try {
854	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
854	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
855		l.add(new StringTask());
856		l.add(new StringTask());
857	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
857	>	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
858		assertSame(TEST_STRING, result);
1042	–	} catch (ExecutionException success) {
1043	–	} catch (CancellationException success) {
1044	–	} catch(Exception ex) {
1045	–	ex.printStackTrace();
1046	–	unexpectedException();
859		} finally {
860		joinPool(e);
861		}
862		}
863
864		/**
865	<	* timed invokeAll(null) throws NPE
865	>	* timed invokeAll(null) throws NullPointerException
866		*/
867	<	public void testTimedInvokeAll1() {
867	>	public void testTimedInvokeAll1() throws Throwable {
868		ExecutorService e = new ForkJoinPool(1);
869		try {
870	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
870	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
871	>	shouldThrow();
872		} catch (NullPointerException success) {
1060	–	} catch(Exception ex) {
1061	–	ex.printStackTrace();
1062	–	unexpectedException();
873		} finally {
874		joinPool(e);
875		}
876		}
877
878		/**
879	<	* timed invokeAll(null time unit) throws NPE
879	>	* timed invokeAll(null time unit) throws NullPointerException
880		*/
881	<	public void testTimedInvokeAllNullTimeUnit() {
881	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
882		ExecutorService e = new ForkJoinPool(1);
883	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
884	+	l.add(new StringTask());
885		try {
1074	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1075	–	l.add(new StringTask());
886		e.invokeAll(l, MEDIUM_DELAY_MS, null);
887	+	shouldThrow();
888		} catch (NullPointerException success) {
1078	–	} catch(Exception ex) {
1079	–	ex.printStackTrace();
1080	–	unexpectedException();
889		} finally {
890		joinPool(e);
891		}
#	Line 1086 | Line 894 | public class ForkJoinPoolTest extends JS
894		/**
895		* timed invokeAll(empty collection) returns empty collection
896		*/
897	<	public void testTimedInvokeAll2() {
897	>	public void testTimedInvokeAll2() throws InterruptedException {
898		ExecutorService e = new ForkJoinPool(1);
899		try {
900	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
900	>	List<Future<String>> r
901	>	= e.invokeAll(new ArrayList<Callable<String>>(),
902	>	MEDIUM_DELAY_MS, MILLISECONDS);
903		assertTrue(r.isEmpty());
1094	–	} catch(Exception ex) {
1095	–	ex.printStackTrace();
1096	–	unexpectedException();
904		} finally {
905		joinPool(e);
906		}
907		}
908
909		/**
910	<	* timed invokeAll(c) throws NPE if c has null elements
910	>	* timed invokeAll(c) throws NullPointerException if c has null elements
911		*/
912	<	public void testTimedInvokeAll3() {
912	>	public void testTimedInvokeAll3() throws InterruptedException {
913		ExecutorService e = new ForkJoinPool(1);
914	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
915	+	l.add(new StringTask());
916	+	l.add(null);
917		try {
918	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
919	<	l.add(new StringTask());
1110	<	l.add(null);
1111	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
918	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
919	>	shouldThrow();
920		} catch (NullPointerException success) {
1113	–	} catch(Exception ex) {
1114	–	ex.printStackTrace();
1115	–	unexpectedException();
921		} finally {
922		joinPool(e);
923		}
#	Line 1121 | Line 926 | public class ForkJoinPoolTest extends JS
926		/**
927		* get of returned element of invokeAll(c) throws exception on failed task
928		*/
929	<	public void testTimedInvokeAll4() {
929	>	public void testTimedInvokeAll4() throws Throwable {
930		ExecutorService e = new ForkJoinPool(1);
931	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
932	+	l.add(new NPETask());
933	+	List<Future<String>> futures
934	+	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
935	+	assertEquals(1, futures.size());
936		try {
937	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
938	<	l.add(new NPETask());
939	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
940	<	assertEquals(1, result.size());
1131	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1132	<	it.next().get();
1133	<	} catch(ExecutionException success) {
1134	<	} catch (CancellationException success) {
1135	<	} catch(Exception ex) {
1136	<	ex.printStackTrace();
1137	<	unexpectedException();
937	>	futures.get(0).get();
938	>	shouldThrow();
939	>	} catch (ExecutionException success) {
940	>	assertTrue(success.getCause() instanceof NullPointerException);
941		} finally {
942		joinPool(e);
943		}
#	Line 1143 | Line 946 | public class ForkJoinPoolTest extends JS
946		/**
947		* timed invokeAll(c) returns results of all completed tasks in c
948		*/
949	<	public void testTimedInvokeAll5() {
949	>	public void testTimedInvokeAll5() throws Throwable {
950		ExecutorService e = new ForkJoinPool(1);
951		try {
952	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
952	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
953		l.add(new StringTask());
954		l.add(new StringTask());
955	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
956	<	assertEquals(2, result.size());
957	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
958	<	assertSame(TEST_STRING, it.next().get());
959	<	} catch (ExecutionException success) {
1157	<	} catch (CancellationException success) {
1158	<	} catch(Exception ex) {
1159	<	ex.printStackTrace();
1160	<	unexpectedException();
955	>	List<Future<String>> futures
956	>	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
957	>	assertEquals(2, futures.size());
958	>	for (Future<String> future : futures)
959	>	assertSame(TEST_STRING, future.get());
960		} finally {
961		joinPool(e);
962		}

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