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

Comparing jsr166/src/test/tck/ForkJoinPoolTest.java (file contents):
Revision 1.6 by jsr166, Mon Aug 3 22:08:07 2009 UTC vs.
Revision 1.57 by jsr166, Sat Oct 3 16:57:25 2015 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	–
8	–	import junit.framework.*;
9	–	import java.util.*;
10	–	import java.util.concurrent.*;
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	<	import java.util.concurrent.locks.*;
9	<	import java.security.*;
8	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9	>
10	>	import java.security.PrivilegedAction;
11	>	import java.security.PrivilegedExceptionAction;
12	>	import java.util.ArrayList;
13	>	import java.util.Collection;
14	>	import java.util.List;
15	>	import java.util.concurrent.Callable;
16	>	import java.util.concurrent.CountDownLatch;
17	>	import java.util.concurrent.ExecutionException;
18	>	import java.util.concurrent.Executors;
19	>	import java.util.concurrent.ExecutorService;
20	>	import java.util.concurrent.ForkJoinPool;
21	>	import java.util.concurrent.ForkJoinTask;
22	>	import java.util.concurrent.ForkJoinWorkerThread;
23	>	import java.util.concurrent.Future;
24	>	import java.util.concurrent.RecursiveTask;
25	>	import java.util.concurrent.RejectedExecutionException;
26	>	import java.util.concurrent.atomic.AtomicBoolean;
27	>	import java.util.concurrent.locks.ReentrantLock;
28	>
29	>	import junit.framework.AssertionFailedError;
30	>	import junit.framework.Test;
31	>	import junit.framework.TestSuite;
32
33		public class ForkJoinPoolTest extends JSR166TestCase {
34		public static void main(String[] args) {
35	<	junit.textui.TestRunner.run (suite());
35	>	main(suite(), args);
36		}
37	+
38		public static Test suite() {
39		return new TestSuite(ForkJoinPoolTest.class);
40		}
41
42	<	/**
42	>	/*
43		* Testing coverage notes:
44		*
45		* 1. shutdown and related methods are tested via super.joinPool.
#	Line 39 | 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 48 | 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
74		implements ForkJoinPool.ForkJoinWorkerThreadFactory {
75	<	int calls = 0;
75	>	volatile int calls = 0;
76		public ForkJoinWorkerThread newThread(ForkJoinPool p) {
77		if (++calls > 1) return null;
78		return new FailingFJWSubclass(p);
#	Line 88 | Line 107 | public class ForkJoinPoolTest extends JS
107		static final class FibTask extends RecursiveTask<Integer> {
108		final int number;
109		FibTask(int n) { number = n; }
110	<	public Integer compute() {
110	>	protected Integer compute() {
111		int n = number;
112		if (n <= 1)
113		return n;
#	Line 116 | Line 135 | public class ForkJoinPoolTest extends JS
135		this.locker = locker;
136		this.lock = lock;
137		}
138	<	public Integer compute() {
138	>	protected Integer compute() {
139		int n;
140		LockingFibTask f1 = null;
141		LockingFibTask f2 = null;
#	Line 142 | Line 161 | public class ForkJoinPoolTest extends JS
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() ==
149	<	ForkJoinPool.defaultForkJoinWorkerThreadFactory);
150	<	assertTrue(p.isQuiescent());
151	<	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 170 | Line 186 | public class ForkJoinPoolTest extends JS
186		try {
187		new ForkJoinPool(-1);
188		shouldThrow();
189	<	}
174	<	catch (IllegalArgumentException success) {}
189	>	} catch (IllegalArgumentException success) {}
190		}
191
192		/**
#	Line 179 | Line 194 | public class ForkJoinPoolTest extends JS
194		*/
195		public void testConstructor2() {
196		try {
197	<	new ForkJoinPool(1, null);
197	>	new ForkJoinPool(1, null, null, false);
198		shouldThrow();
199	<	} catch (NullPointerException success) {
185	<	}
199	>	} catch (NullPointerException success) {}
200		}
201
188	–
202		/**
203		* getParallelism returns size set in constructor
204		*/
205		public void testGetParallelism() {
206	<	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;
206	>	ForkJoinPool p = new ForkJoinPool(1);
207		try {
208	<	p = new ForkJoinPool(1);
224	<	assertTrue(p.getParallelism() == 1);
225	<	p.setParallelism(-2);
226	<	shouldThrow();
227	<	} catch (IllegalArgumentException success) {
208	>	assertEquals(1, p.getParallelism());
209		} finally {
210		joinPool(p);
211		}
#	Line 234 | Line 215 | public class ForkJoinPoolTest extends JS
215		* getPoolSize returns number of started workers.
216		*/
217		public void testGetPoolSize() {
218	<	ForkJoinPool p = null;
218	>	ForkJoinPool p = new ForkJoinPool(1);
219		try {
220	<	p = new ForkJoinPool(1);
240	<	assertTrue(p.getPoolSize() == 0);
220	>	assertEquals(0, p.getActiveThreadCount());
221		Future<String> future = p.submit(new StringTask());
222	<	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());
222	>	assertEquals(1, p.getPoolSize());
223		} finally {
224		joinPool(p);
225		}
226		}
227
228		/**
229	<	* setAsyncMode changes policy reported by
295	<	* getAsyncMode.
229	>	* awaitTermination on a non-shutdown pool times out
230		*/
231	<	public void testSetAsyncMode() {
232	<	ForkJoinPool p = null;
233	<	try {
234	<	p = new ForkJoinPool(1);
235	<	p.setAsyncMode(true);
236	<	assertTrue(p.getAsyncMode());
237	<	} finally {
238	<	joinPool(p);
239	<	}
231	>	public void testAwaitTermination_timesOut() throws InterruptedException {
232	>	ForkJoinPool p = new ForkJoinPool(1);
233	>	assertFalse(p.isTerminated());
234	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
235	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
236	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
237	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
238	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
239	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
240	>	long timeoutNanos = 999999L;
241	>	long startTime = System.nanoTime();
242	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
243	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
244	>	assertFalse(p.isTerminated());
245	>	startTime = System.nanoTime();
246	>	long timeoutMillis = timeoutMillis();
247	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
248	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
249	>	assertFalse(p.isTerminated());
250	>	p.shutdown();
251	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
252	>	assertTrue(p.isTerminated());
253		}
254
255		/**
#	Line 312 | Line 259 | public class ForkJoinPoolTest extends JS
259		* performs its defined action
260		*/
261		public void testSetUncaughtExceptionHandler() throws InterruptedException {
262	<	ForkJoinPool p = null;
263	<	try {
264	<	p = new ForkJoinPool(1, new FailingThreadFactory());
265	<	MyHandler eh = new MyHandler();
266	<	p.setUncaughtExceptionHandler(eh);
267	<	assertEquals(eh, p.getUncaughtExceptionHandler());
268	<	p.execute(new FailingTask());
269	<	Thread.sleep(MEDIUM_DELAY_MS);
270	<	assertTrue(eh.catches > 0);
262	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
263	>	final Thread.UncaughtExceptionHandler eh =
264	>	new Thread.UncaughtExceptionHandler() {
265	>	public void uncaughtException(Thread t, Throwable e) {
266	>	uehInvoked.countDown();
267	>	}};
268	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
269	>	eh, false);
270	>	try {
271	>	assertSame(eh, p.getUncaughtExceptionHandler());
272	>	try {
273	>	p.execute(new FibTask(8));
274	>	assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS));
275	>	} catch (RejectedExecutionException ok) {
276	>	}
277		} finally {
278	+	p.shutdownNow(); // failure might have prevented processing task
279		joinPool(p);
280		}
281		}
282
283		/**
284	<	* setUncaughtExceptionHandler of null removes handler
284	>	* After invoking a single task, isQuiescent eventually becomes
285	>	* true, at which time queues are empty, threads are not active,
286	>	* the task has completed successfully, and construction
287	>	* parameters continue to hold
288		*/
289	<	public void testSetUncaughtExceptionHandler2() {
290	<	ForkJoinPool p = null;
289	>	public void testIsQuiescent() throws Exception {
290	>	ForkJoinPool p = new ForkJoinPool(2);
291		try {
292	<	p = new ForkJoinPool(1);
293	<	p.setUncaughtExceptionHandler(null);
294	<	assertNull(p.getUncaughtExceptionHandler());
295	<	} finally {
296	<	joinPool(p);
297	<	}
298	<	}
299	<
292	>	assertTrue(p.isQuiescent());
293	>	long startTime = System.nanoTime();
294	>	FibTask f = new FibTask(20);
295	>	p.invoke(f);
296	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
297	>	p.getFactory());
298	>	while (! p.isQuiescent()) {
299	>	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
300	>	throw new AssertionFailedError("timed out");
301	>	assertFalse(p.getAsyncMode());
302	>	assertFalse(p.isShutdown());
303	>	assertFalse(p.isTerminating());
304	>	assertFalse(p.isTerminated());
305	>	Thread.yield();
306	>	}
307
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);
308		assertTrue(p.isQuiescent());
358	–	assertTrue(p.getMaintainsParallelism());
309		assertFalse(p.getAsyncMode());
310	<	assertTrue(p.getActiveThreadCount() == 0);
311	<	assertTrue(p.getQueuedTaskCount() == 0);
312	<	assertTrue(p.getQueuedSubmissionCount() == 0);
310	>	assertEquals(0, p.getActiveThreadCount());
311	>	assertEquals(0, p.getQueuedTaskCount());
312	>	assertEquals(0, p.getQueuedSubmissionCount());
313		assertFalse(p.hasQueuedSubmissions());
314		assertFalse(p.isShutdown());
315		assertFalse(p.isTerminating());
316		assertFalse(p.isTerminated());
317	+	assertTrue(f.isDone());
318	+	assertEquals(6765, (int) f.get());
319		} finally {
320		joinPool(p);
321		}
#	Line 373 | Line 325 | public class ForkJoinPoolTest extends JS
325		* Completed submit(ForkJoinTask) returns result
326		*/
327		public void testSubmitForkJoinTask() throws Throwable {
328	<	ForkJoinPool p = null;
328	>	ForkJoinPool p = new ForkJoinPool(1);
329		try {
378	–	p = new ForkJoinPool(1);
330		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
331	<	int r = f.get();
381	<	assertTrue(r == 21);
331	>	assertEquals(21, (int) f.get());
332		} finally {
333		joinPool(p);
334		}
#	Line 388 | Line 338 | public class ForkJoinPoolTest extends JS
338		* A task submitted after shutdown is rejected
339		*/
340		public void testSubmitAfterShutdown() {
341	<	ForkJoinPool p = null;
341	>	ForkJoinPool p = new ForkJoinPool(1);
342		try {
393	–	p = new ForkJoinPool(1);
343		p.shutdown();
344		assertTrue(p.isShutdown());
345	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
346	<	shouldThrow();
347	<	} catch (RejectedExecutionException success) {
345	>	try {
346	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
347	>	shouldThrow();
348	>	} catch (RejectedExecutionException success) {}
349		} finally {
350		joinPool(p);
351		}
#	Line 405 | Line 355 | public class ForkJoinPoolTest extends JS
355		* Pool maintains parallelism when using ManagedBlocker
356		*/
357		public void testBlockingForkJoinTask() throws Throwable {
358	<	ForkJoinPool p = null;
358	>	ForkJoinPool p = new ForkJoinPool(4);
359		try {
410	–	p = new ForkJoinPool(4);
360		ReentrantLock lock = new ReentrantLock();
361		ManagedLocker locker = new ManagedLocker(lock);
362	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
362	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
363		p.execute(f);
364	<	assertTrue(p.getPoolSize() >= 4);
416	<	int r = f.get();
417	<	assertTrue(r ==  832040);
364	>	assertEquals(6765, (int) f.get());
365		} finally {
366	<	joinPool(p);
366	>	p.shutdownNow(); // don't wait out shutdown
367		}
368		}
369
#	Line 424 | Line 371 | public class ForkJoinPoolTest extends JS
371		* pollSubmission returns unexecuted submitted task, if present
372		*/
373		public void testPollSubmission() {
374	<	SubFJP p = null;
374	>	final CountDownLatch done = new CountDownLatch(1);
375	>	SubFJP p = new SubFJP();
376		try {
377	<	p = new SubFJP();
378	<	ForkJoinTask a = p.submit(new MediumRunnable());
379	<	ForkJoinTask b = p.submit(new MediumRunnable());
432	<	ForkJoinTask c = p.submit(new MediumRunnable());
377	>	ForkJoinTask a = p.submit(awaiter(done));
378	>	ForkJoinTask b = p.submit(awaiter(done));
379	>	ForkJoinTask c = p.submit(awaiter(done));
380		ForkJoinTask r = p.pollSubmission();
381		assertTrue(r == a || r == b || r == c);
382		assertFalse(r.isDone());
383		} finally {
384	+	done.countDown();
385		joinPool(p);
386		}
387		}
#	Line 442 | Line 390 | public class ForkJoinPoolTest extends JS
390		* drainTasksTo transfers unexecuted submitted tasks, if present
391		*/
392		public void testDrainTasksTo() {
393	<	SubFJP p = null;
393	>	final CountDownLatch done = new CountDownLatch(1);
394	>	SubFJP p = new SubFJP();
395		try {
396	<	p = new SubFJP();
397	<	ForkJoinTask a = p.submit(new MediumRunnable());
398	<	ForkJoinTask b = p.submit(new MediumRunnable());
450	<	ForkJoinTask c = p.submit(new MediumRunnable());
396	>	ForkJoinTask a = p.submit(awaiter(done));
397	>	ForkJoinTask b = p.submit(awaiter(done));
398	>	ForkJoinTask c = p.submit(awaiter(done));
399		ArrayList<ForkJoinTask> al = new ArrayList();
400		p.drainTasksTo(al);
401		assertTrue(al.size() > 0);
#	Line 456 | Line 404 | public class ForkJoinPoolTest extends JS
404		assertFalse(r.isDone());
405		}
406		} finally {
407	+	done.countDown();
408		joinPool(p);
409		}
410		}
411
463	–
412		// FJ Versions of AbstractExecutorService tests
413
414		/**
#	Line 468 | Line 416 | public class ForkJoinPoolTest extends JS
416		*/
417		public void testExecuteRunnable() throws Throwable {
418		ExecutorService e = new ForkJoinPool(1);
419	<	TrackedShortRunnable task = new TrackedShortRunnable();
420	<	assertFalse(task.done);
421	<	Future<?> future = e.submit(task);
422	<	future.get();
423	<	assertTrue(task.done);
419	>	try {
420	>	final AtomicBoolean done = new AtomicBoolean(false);
421	>	Future<?> future = e.submit(new CheckedRunnable() {
422	>	public void realRun() {
423	>	done.set(true);
424	>	}});
425	>	assertNull(future.get());
426	>	assertNull(future.get(0, MILLISECONDS));
427	>	assertTrue(done.get());
428	>	assertTrue(future.isDone());
429	>	assertFalse(future.isCancelled());
430	>	} finally {
431	>	joinPool(e);
432	>	}
433		}
434
478	–
435		/**
436		* Completed submit(callable) returns result
437		*/
438		public void testSubmitCallable() throws Throwable {
439		ExecutorService e = new ForkJoinPool(1);
440	<	Future<String> future = e.submit(new StringTask());
441	<	String result = future.get();
442	<	assertSame(TEST_STRING, result);
440	>	try {
441	>	Future<String> future = e.submit(new StringTask());
442	>	assertSame(TEST_STRING, future.get());
443	>	assertTrue(future.isDone());
444	>	assertFalse(future.isCancelled());
445	>	} finally {
446	>	joinPool(e);
447	>	}
448		}
449
450		/**
#	Line 491 | Line 452 | public class ForkJoinPoolTest extends JS
452		*/
453		public void testSubmitRunnable() throws Throwable {
454		ExecutorService e = new ForkJoinPool(1);
455	<	Future<?> future = e.submit(new NoOpRunnable());
456	<	future.get();
457	<	assertTrue(future.isDone());
455	>	try {
456	>	Future<?> future = e.submit(new NoOpRunnable());
457	>	assertNull(future.get());
458	>	assertTrue(future.isDone());
459	>	assertFalse(future.isCancelled());
460	>	} finally {
461	>	joinPool(e);
462	>	}
463		}
464
465		/**
#	Line 501 | Line 467 | public class ForkJoinPoolTest extends JS
467		*/
468		public void testSubmitRunnable2() throws Throwable {
469		ExecutorService e = new ForkJoinPool(1);
470	<	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
471	<	String result = future.get();
472	<	assertSame(TEST_STRING, result);
470	>	try {
471	>	Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
472	>	assertSame(TEST_STRING, future.get());
473	>	assertTrue(future.isDone());
474	>	assertFalse(future.isCancelled());
475	>	} finally {
476	>	joinPool(e);
477	>	}
478		}
479
509	–
480		/**
481	<	* A submitted privileged action to completion
481	>	* A submitted privileged action runs to completion
482		*/
483	<	public void testSubmitPrivilegedAction() throws Throwable {
484	<	Policy savedPolicy = null;
485	<	try {
486	<	savedPolicy = Policy.getPolicy();
487	<	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 {
483	>	public void testSubmitPrivilegedAction() throws Exception {
484	>	final Callable callable = Executors.callable(new PrivilegedAction() {
485	>	public Object run() { return TEST_STRING; }});
486	>	Runnable r = new CheckedRunnable() {
487	>	public void realRun() throws Exception {
488		ExecutorService e = new ForkJoinPool(1);
489	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
490	<	public Object run() {
491	<	return TEST_STRING;
492	<	}}));
489	>	try {
490	>	Future future = e.submit(callable);
491	>	assertSame(TEST_STRING, future.get());
492	>	} finally {
493	>	joinPool(e);
494	>	}
495	>	}};
496
497	<	Object result = future.get();
532	<	assertSame(TEST_STRING, result);
533	<	}
534	<	finally {
535	<	Policy.setPolicy(savedPolicy);
536	<	}
497	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
498		}
499
500		/**
501	<	* A submitted a privileged exception action runs to completion
501	>	* A submitted privileged exception action runs to completion
502		*/
503	<	public void testSubmitPrivilegedExceptionAction() throws Throwable {
504	<	Policy savedPolicy = null;
505	<	try {
506	<	savedPolicy = Policy.getPolicy();
507	<	AdjustablePolicy policy = new AdjustablePolicy();
508	<	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 {
503	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
504	>	final Callable callable =
505	>	Executors.callable(new PrivilegedExceptionAction() {
506	>	public Object run() { return TEST_STRING; }});
507	>	Runnable r = new CheckedRunnable() {
508	>	public void realRun() throws Exception {
509		ExecutorService e = new ForkJoinPool(1);
510	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
511	<	public Object run() {
512	<	return TEST_STRING;
513	<	}}));
510	>	try {
511	>	Future future = e.submit(callable);
512	>	assertSame(TEST_STRING, future.get());
513	>	} finally {
514	>	joinPool(e);
515	>	}
516	>	}};
517
518	<	Object result = future.get();
562	<	assertSame(TEST_STRING, result);
563	<	}
564	<	finally {
565	<	Policy.setPolicy(savedPolicy);
566	<	}
518	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
519		}
520
521		/**
522		* A submitted failed privileged exception action reports exception
523		*/
524	<	public void testSubmitFailedPrivilegedExceptionAction() throws Throwable {
525	<	Policy savedPolicy = null;
526	<	try {
527	<	savedPolicy = Policy.getPolicy();
528	<	AdjustablePolicy policy = new AdjustablePolicy();
529	<	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 {
524	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
525	>	final Callable callable =
526	>	Executors.callable(new PrivilegedExceptionAction() {
527	>	public Object run() { throw new IndexOutOfBoundsException(); }});
528	>	Runnable r = new CheckedRunnable() {
529	>	public void realRun() throws Exception {
530		ExecutorService e = new ForkJoinPool(1);
531	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
532	<	public Object run() throws Exception {
533	<	throw new IndexOutOfBoundsException();
534	<	}}));
531	>	try {
532	>	Future future = e.submit(callable);
533	>	try {
534	>	future.get();
535	>	shouldThrow();
536	>	} catch (ExecutionException success) {
537	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
538	>	}
539	>	} finally {
540	>	joinPool(e);
541	>	}
542	>	}};
543
544	<	Object result = future.get();
593	<	shouldThrow();
594	<	} catch (ExecutionException success) {
595	<	} finally {
596	<	Policy.setPolicy(savedPolicy);
597	<	}
544	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
545		}
546
547		/**
548		* execute(null runnable) throws NullPointerException
549		*/
550		public void testExecuteNullRunnable() {
551	+	ExecutorService e = new ForkJoinPool(1);
552		try {
553	<	ExecutorService e = new ForkJoinPool(1);
606	<	TrackedShortRunnable task = null;
607	<	Future<?> future = e.submit(task);
553	>	Future<?> future = e.submit((Runnable) null);
554		shouldThrow();
555		} catch (NullPointerException success) {
556	+	} finally {
557	+	joinPool(e);
558		}
559		}
560
613	–
561		/**
562		* submit(null callable) throws NullPointerException
563		*/
564		public void testSubmitNullCallable() {
565	+	ExecutorService e = new ForkJoinPool(1);
566		try {
567	<	ExecutorService e = new ForkJoinPool(1);
620	<	StringTask t = null;
621	<	Future<String> future = e.submit(t);
567	>	Future<String> future = e.submit((Callable) null);
568		shouldThrow();
569		} catch (NullPointerException success) {
570	+	} finally {
571	+	joinPool(e);
572		}
573		}
574
627	–
575		/**
576	<	* Blocking on submit(callable) throws InterruptedException if
630	<	* caller interrupted.
576	>	* submit(callable).get() throws InterruptedException if interrupted
577		*/
578		public void testInterruptedSubmit() throws InterruptedException {
579	<	final ForkJoinPool p = new ForkJoinPool(1);
580	<
581	<	Thread t = new Thread(new CheckedInterruptedRunnable() {
582	<	void realRun() throws Throwable {
583	<	p.submit(new CheckedCallable<Object>() {
584	<	public Object realCall() throws Throwable {
585	<	Thread.sleep(MEDIUM_DELAY_MS);
586	<	return null;
587	<	}}).get();
588	<	}});
589	<
590	<	t.start();
591	<	Thread.sleep(SHORT_DELAY_MS);
592	<	t.interrupt();
593	<	joinPool(p);
579	>	final CountDownLatch submitted    = new CountDownLatch(1);
580	>	final CountDownLatch quittingTime = new CountDownLatch(1);
581	>	final ExecutorService p = new ForkJoinPool(1);
582	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
583	>	public Void realCall() throws InterruptedException {
584	>	assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS));
585	>	return null;
586	>	}};
587	>	try {
588	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
589	>	public void realRun() throws Exception {
590	>	Future<Void> future = p.submit(awaiter);
591	>	submitted.countDown();
592	>	future.get();
593	>	}});
594	>	t.start();
595	>	assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS));
596	>	t.interrupt();
597	>	t.join();
598	>	} finally {
599	>	quittingTime.countDown();
600	>	joinPool(p);
601	>	}
602		}
603
604		/**
#	Line 653 | Line 607 | public class ForkJoinPoolTest extends JS
607		*/
608		public void testSubmitEE() throws Throwable {
609		ForkJoinPool p = new ForkJoinPool(1);
656	–
610		try {
611	<	Callable c = new Callable() {
612	<	public Object call() {
613	<	int i = 5/0;
661	<	return Boolean.TRUE;
662	<	}
663	<	};
664	<
665	<	for (int i = 0; i < 5; i++) {
666	<	p.submit(c).get();
667	<	}
611	>	p.submit(new Callable() {
612	>	public Object call() { throw new ArithmeticException(); }})
613	>	.get();
614		shouldThrow();
615		} catch (ExecutionException success) {
616	+	assertTrue(success.getCause() instanceof ArithmeticException);
617	+	} finally {
618	+	joinPool(p);
619		}
671	–	joinPool(p);
620		}
621
622		/**
#	Line 700 | Line 648 | public class ForkJoinPoolTest extends JS
648		}
649
650		/**
651	<	* invokeAny(c) throws NullPointerException if c has null elements
651	>	* invokeAny(c) throws NullPointerException if c has a single null element
652		*/
653		public void testInvokeAny3() throws Throwable {
654		ExecutorService e = new ForkJoinPool(1);
655	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
656	+	l.add(null);
657		try {
708	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
709	–	l.add(new StringTask());
710	–	l.add(null);
658		e.invokeAny(l);
659		shouldThrow();
660		} catch (NullPointerException success) {
#	Line 717 | Line 664 | public class ForkJoinPoolTest extends JS
664		}
665
666		/**
667	<	* invokeAny(c) throws ExecutionException if no task in c completes
667	>	* invokeAny(c) throws NullPointerException if c has null elements
668		*/
669		public void testInvokeAny4() throws Throwable {
670	+	CountDownLatch latch = new CountDownLatch(1);
671	+	ExecutorService e = new ForkJoinPool(1);
672	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
673	+	l.add(latchAwaitingStringTask(latch));
674	+	l.add(null);
675	+	try {
676	+	e.invokeAny(l);
677	+	shouldThrow();
678	+	} catch (NullPointerException success) {
679	+	} finally {
680	+	latch.countDown();
681	+	joinPool(e);
682	+	}
683	+	}
684	+
685	+	/**
686	+	* invokeAny(c) throws ExecutionException if no task in c completes
687	+	*/
688	+	public void testInvokeAny5() throws Throwable {
689		ExecutorService e = new ForkJoinPool(1);
690	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
691	+	l.add(new NPETask());
692		try {
725	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
726	–	l.add(new NPETask());
693		e.invokeAny(l);
694		shouldThrow();
695		} catch (ExecutionException success) {
696	+	assertTrue(success.getCause() instanceof NullPointerException);
697		} finally {
698		joinPool(e);
699		}
#	Line 735 | Line 702 | public class ForkJoinPoolTest extends JS
702		/**
703		* invokeAny(c) returns result of some task in c if at least one completes
704		*/
705	<	public void testInvokeAny5() throws Throwable {
705	>	public void testInvokeAny6() throws Throwable {
706		ExecutorService e = new ForkJoinPool(1);
707		try {
708	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
708	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
709		l.add(new StringTask());
710		l.add(new StringTask());
711		String result = e.invokeAny(l);
#	Line 781 | Line 748 | public class ForkJoinPoolTest extends JS
748		*/
749		public void testInvokeAll3() throws InterruptedException {
750		ExecutorService e = new ForkJoinPool(1);
751	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
752	+	l.add(new StringTask());
753	+	l.add(null);
754		try {
785	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
786	–	l.add(new StringTask());
787	–	l.add(null);
755		e.invokeAll(l);
756		shouldThrow();
757		} catch (NullPointerException success) {
#	Line 799 | Line 766 | public class ForkJoinPoolTest extends JS
766		*/
767		public void testInvokeAll4() throws Throwable {
768		ExecutorService e = new ForkJoinPool(1);
769	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
770	+	l.add(new NPETask());
771	+	List<Future<String>> futures = e.invokeAll(l);
772	+	assertEquals(1, futures.size());
773		try {
774	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
804	<	l.add(new NPETask());
805	<	List<Future<String>> result = e.invokeAll(l);
806	<	assertEquals(1, result.size());
807	<	for (Future<String> future : result)
808	<	future.get();
774	>	futures.get(0).get();
775		shouldThrow();
776		} catch (ExecutionException success) {
777	+	assertTrue(success.getCause() instanceof NullPointerException);
778		} finally {
779		joinPool(e);
780		}
#	Line 819 | Line 786 | public class ForkJoinPoolTest extends JS
786		public void testInvokeAll5() throws Throwable {
787		ExecutorService e = new ForkJoinPool(1);
788		try {
789	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
789	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
790		l.add(new StringTask());
791		l.add(new StringTask());
792	<	List<Future<String>> result = e.invokeAll(l);
793	<	assertEquals(2, result.size());
794	<	for (Future<String> future : result)
792	>	List<Future<String>> futures = e.invokeAll(l);
793	>	assertEquals(2, futures.size());
794	>	for (Future<String> future : futures)
795		assertSame(TEST_STRING, future.get());
796		} finally {
797		joinPool(e);
798		}
799		}
800
834	–
801		/**
802		* timed invokeAny(null) throws NullPointerException
803		*/
#	Line 851 | Line 817 | public class ForkJoinPoolTest extends JS
817		*/
818		public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
819		ExecutorService e = new ForkJoinPool(1);
820	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
821	+	l.add(new StringTask());
822		try {
855	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
856	–	l.add(new StringTask());
823		e.invokeAny(l, MEDIUM_DELAY_MS, null);
824		shouldThrow();
825		} catch (NullPointerException success) {
#	Line 881 | Line 847 | public class ForkJoinPoolTest extends JS
847		* timed invokeAny(c) throws NullPointerException if c has null elements
848		*/
849		public void testTimedInvokeAny3() throws Throwable {
850	+	CountDownLatch latch = new CountDownLatch(1);
851		ExecutorService e = new ForkJoinPool(1);
852	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
853	+	l.add(latchAwaitingStringTask(latch));
854	+	l.add(null);
855		try {
886	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
887	–	l.add(new StringTask());
888	–	l.add(null);
856		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
857		shouldThrow();
858		} catch (NullPointerException success) {
859		} finally {
860	+	latch.countDown();
861		joinPool(e);
862		}
863		}
#	Line 899 | Line 867 | public class ForkJoinPoolTest extends JS
867		*/
868		public void testTimedInvokeAny4() throws Throwable {
869		ExecutorService e = new ForkJoinPool(1);
870	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
871	+	l.add(new NPETask());
872		try {
903	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
904	–	l.add(new NPETask());
873		e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
874		shouldThrow();
875		} catch (ExecutionException success) {
876	+	assertTrue(success.getCause() instanceof NullPointerException);
877		} finally {
878		joinPool(e);
879		}
#	Line 916 | Line 885 | public class ForkJoinPoolTest extends JS
885		public void testTimedInvokeAny5() throws Throwable {
886		ExecutorService e = new ForkJoinPool(1);
887		try {
888	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
888	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
889		l.add(new StringTask());
890		l.add(new StringTask());
891		String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
#	Line 945 | Line 914 | public class ForkJoinPoolTest extends JS
914		*/
915		public void testTimedInvokeAllNullTimeUnit() throws Throwable {
916		ExecutorService e = new ForkJoinPool(1);
917	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
918	+	l.add(new StringTask());
919		try {
949	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
950	–	l.add(new StringTask());
920		e.invokeAll(l, MEDIUM_DELAY_MS, null);
921		shouldThrow();
922		} catch (NullPointerException success) {
#	Line 976 | Line 945 | public class ForkJoinPoolTest extends JS
945		*/
946		public void testTimedInvokeAll3() throws InterruptedException {
947		ExecutorService e = new ForkJoinPool(1);
948	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
949	+	l.add(new StringTask());
950	+	l.add(null);
951		try {
980	–	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
981	–	l.add(new StringTask());
982	–	l.add(null);
952		e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
953		shouldThrow();
954		} catch (NullPointerException success) {
#	Line 993 | Line 962 | public class ForkJoinPoolTest extends JS
962		*/
963		public void testTimedInvokeAll4() throws Throwable {
964		ExecutorService e = new ForkJoinPool(1);
965	+	List<Callable<String>> l = new ArrayList<Callable<String>>();
966	+	l.add(new NPETask());
967	+	List<Future<String>> futures
968	+	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
969	+	assertEquals(1, futures.size());
970		try {
971	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
998	<	l.add(new NPETask());
999	<	List<Future<String>> result
1000	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1001	<	assertEquals(1, result.size());
1002	<	for (Future<String> future : result)
1003	<	future.get();
971	>	futures.get(0).get();
972		shouldThrow();
973		} catch (ExecutionException success) {
974	+	assertTrue(success.getCause() instanceof NullPointerException);
975		} finally {
976		joinPool(e);
977		}
#	Line 1012 | Line 981 | public class ForkJoinPoolTest extends JS
981		* timed invokeAll(c) returns results of all completed tasks in c
982		*/
983		public void testTimedInvokeAll5() throws Throwable {
984	<	ExecutorService e = new ForkJoinPool(1);
985	<	try {
986	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
984	>	try (PoolCloser<ForkJoinPool> poolCloser
985	>	= new PoolCloser(new ForkJoinPool(1))) {
986	>	ForkJoinPool e = poolCloser.pool;
987	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
988		l.add(new StringTask());
989		l.add(new StringTask());
990	<	List<Future<String>> result
991	<	= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
992	<	assertEquals(2, result.size());
993	<	for (Future<String> future : result)
990	>	List<Future<String>> futures
991	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
992	>	assertEquals(2, futures.size());
993	>	for (Future<String> future : futures)
994		assertSame(TEST_STRING, future.get());
1025	–	} finally {
1026	–	joinPool(e);
995		}
996		}
997

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