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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 1.70 by jsr166, Tue Oct 13 21:18:28 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	+	import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9
10	<	import junit.framework.*;
11	<	import java.util.*;
12	<	import java.util.concurrent.*;
13	<	import java.util.concurrent.locks.*;
14	<	import java.security.*;
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{
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.
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		}
65		}
66
67	+	static class MyError extends Error {}
68	+
69		// to test handlers
70		static class FailingFJWSubclass extends ForkJoinWorkerThread {
71		public FailingFJWSubclass(ForkJoinPool p) { super(p) ; }
72	<	protected void onStart() { throw new Error(); }
72	>	protected void onStart() { super.onStart(); throw new MyError(); }
73		}
74
75	<	static class FailingThreadFactory implements ForkJoinPool.ForkJoinWorkerThreadFactory {
76	<	int calls = 0;
77	<	public ForkJoinWorkerThread newThread(ForkJoinPool p){
75	>	static class FailingThreadFactory
76	>	implements ForkJoinPool.ForkJoinWorkerThreadFactory {
77	>	volatile int calls = 0;
78	>	public ForkJoinWorkerThread newThread(ForkJoinPool p) {
79		if (++calls > 1) return null;
80		return new FailingFJWSubclass(p);
81	<	}
81	>	}
82		}
83
84	<	static class SubFJP extends ForkJoinPool { // to expose protected
84	>	static class SubFJP extends ForkJoinPool { // to expose protected
85		SubFJP() { super(1); }
86		public int drainTasksTo(Collection<? super ForkJoinTask<?>> c) {
87		return super.drainTasksTo(c);
#	Line 83 | Line 106 | public class ForkJoinPoolTest extends JS
106		}
107
108		// A simple recursive task for testing
109	<	static final class FibTask extends RecursiveTask<Integer> {
109	>	static final class FibTask extends RecursiveTask<Integer> {
110		final int number;
111		FibTask(int n) { number = n; }
112	<	public Integer compute() {
112	>	protected Integer compute() {
113		int n = number;
114		if (n <= 1)
115		return n;
#	Line 97 | Line 120 | public class ForkJoinPoolTest extends JS
120		}
121
122		// A failing task for testing
123	<	static final class FailingTask extends ForkJoinTask<Void> {
123	>	static final class FailingTask extends ForkJoinTask<Void> {
124		public final Void getRawResult() { return null; }
125		protected final void setRawResult(Void mustBeNull) { }
126		protected final boolean exec() { throw new Error(); }
#	Line 105 | Line 128 | public class ForkJoinPoolTest extends JS
128		}
129
130		// Fib needlessly using locking to test ManagedBlockers
131	<	static final class LockingFibTask extends RecursiveTask<Integer> {
131	>	static final class LockingFibTask extends RecursiveTask<Integer> {
132		final int number;
133		final ManagedLocker locker;
134		final ReentrantLock lock;
135	<	LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) {
136	<	number = n;
135	>	LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) {
136	>	number = n;
137		this.locker = locker;
138		this.lock = lock;
139		}
140	<	public Integer compute() {
140	>	protected Integer compute() {
141		int n;
142		LockingFibTask f1 = null;
143		LockingFibTask f2 = null;
144		locker.block();
145	<	n = number;
145	>	n = number;
146		if (n > 1) {
147		f1 = new LockingFibTask(n - 1, locker, lock);
148		f2 = new LockingFibTask(n - 2, locker, lock);
#	Line 134 | Line 157 | public class ForkJoinPoolTest extends JS
157		}
158		}
159
160	<	/**
161	<	* Succesfully constructed pool reports default factory,
160	>	/**
161	>	* Successfully constructed pool reports default factory,
162		* parallelism and async mode policies, no active threads or
163		* tasks, and quiescent running state.
164		*/
165		public void testDefaultInitialState() {
166	<	ForkJoinPool p = null;
167	<	try {
168	<	p = new ForkJoinPool(1);
169	<	assertTrue(p.getFactory() == ForkJoinPool.defaultForkJoinWorkerThreadFactory);
147	<	assertTrue(p.isQuiescent());
148	<	assertTrue(p.getMaintainsParallelism());
166	>	ForkJoinPool p = new ForkJoinPool(1);
167	>	try (PoolCleaner cleaner = cleaner(p)) {
168	>	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
169	>	p.getFactory());
170		assertFalse(p.getAsyncMode());
171	<	assertTrue(p.getActiveThreadCount() == 0);
172	<	assertTrue(p.getStealCount() == 0);
173	<	assertTrue(p.getQueuedTaskCount() == 0);
174	<	assertTrue(p.getQueuedSubmissionCount() == 0);
171	>	assertEquals(0, p.getActiveThreadCount());
172	>	assertEquals(0, p.getStealCount());
173	>	assertEquals(0, p.getQueuedTaskCount());
174	>	assertEquals(0, p.getQueuedSubmissionCount());
175		assertFalse(p.hasQueuedSubmissions());
176		assertFalse(p.isShutdown());
177		assertFalse(p.isTerminating());
178		assertFalse(p.isTerminated());
158	–	} finally {
159	–	joinPool(p);
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;
207	<	try {
208	<	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;
219	<	try {
220	<	p = new ForkJoinPool(1);
221	<	assertTrue(p.getParallelism() == 1);
222	<	p.setParallelism(-2);
223	<	shouldThrow();
224	<	}catch (IllegalArgumentException success){
225	<	} finally {
226	<	joinPool(p);
206	>	ForkJoinPool p = new ForkJoinPool(1);
207	>	try (PoolCleaner cleaner = cleaner(p)) {
208	>	assertEquals(1, p.getParallelism());
209		}
210		}
211
212	<	/**
212	>	/**
213		* getPoolSize returns number of started workers.
214		*/
215		public void testGetPoolSize() {
216	<	ForkJoinPool p = null;
217	<	try {
218	<	p = new ForkJoinPool(1);
219	<	assertTrue(p.getPoolSize() == 0);
220	<	Future<String> future = p.submit(new StringTask());
221	<	assertTrue(p.getPoolSize() == 1);
222	<
223	<	} finally {
224	<	joinPool(p);
225	<	}
226	<	}
227	<
228	<	/**
229	<	* setMaximumPoolSize changes size reported by getMaximumPoolSize.
230	<	*/
231	<	public void testSetMaximumPoolSize() {
232	<	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);
216	>	final CountDownLatch taskStarted = new CountDownLatch(1);
217	>	final CountDownLatch done = new CountDownLatch(1);
218	>	final ForkJoinPool p = new ForkJoinPool(1);
219	>	try (PoolCleaner cleaner = cleaner(p)) {
220	>	assertEquals(0, p.getActiveThreadCount());
221	>	final Runnable task = new CheckedRunnable() {
222	>	public void realRun() throws InterruptedException {
223	>	taskStarted.countDown();
224	>	assertEquals(1, p.getPoolSize());
225	>	assertEquals(1, p.getActiveThreadCount());
226	>	done.await();
227	>	}};
228	>	Future<?> future = p.submit(task);
229	>	await(taskStarted);
230	>	assertEquals(1, p.getPoolSize());
231	>	assertEquals(1, p.getActiveThreadCount());
232	>	done.countDown();
233		}
234	+	assertEquals(0, p.getPoolSize());
235	+	assertEquals(0, p.getActiveThreadCount());
236		}
237
238	<	/**
239	<	* 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.
238	>	/**
239	>	* awaitTermination on a non-shutdown pool times out
240		*/
241	<	public void testSetAsyncMode() {
242	<	ForkJoinPool p = null;
243	<	try {
244	<	p = new ForkJoinPool(1);
245	<	p.setAsyncMode(true);
246	<	assertTrue(p.getAsyncMode());
247	<	} finally {
248	<	joinPool(p);
241	>	public void testAwaitTermination_timesOut() throws InterruptedException {
242	>	ForkJoinPool p = new ForkJoinPool(1);
243	>	try (PoolCleaner cleaner = cleaner(p)) {
244	>	assertFalse(p.isTerminated());
245	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
246	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
247	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
248	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
249	>	assertFalse(p.awaitTermination(0L, NANOSECONDS));
250	>	assertFalse(p.awaitTermination(0L, MILLISECONDS));
251	>	long timeoutNanos = 999999L;
252	>	long startTime = System.nanoTime();
253	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
254	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
255	>	assertFalse(p.isTerminated());
256	>	startTime = System.nanoTime();
257	>	long timeoutMillis = timeoutMillis();
258	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
259	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
260	>	assertFalse(p.isTerminated());
261	>	p.shutdown();
262	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
263	>	assertTrue(p.isTerminated());
264		}
265		}
266
267	<	/**
267	>	/**
268		* setUncaughtExceptionHandler changes handler for uncaught exceptions.
269		*
270		* Additionally tests: Overriding ForkJoinWorkerThread.onStart
271		* performs its defined action
272		*/
273	<	public void testSetUncaughtExceptionHandler() {
274	<	ForkJoinPool p = null;
275	<	try {
276	<	p = new ForkJoinPool(1, new FailingThreadFactory());
277	<	MyHandler eh = new MyHandler();
278	<	p.setUncaughtExceptionHandler(eh);
279	<	assertEquals(eh, p.getUncaughtExceptionHandler());
280	<	p.execute(new FailingTask());
281	<	Thread.sleep(MEDIUM_DELAY_MS);
282	<	assertTrue(eh.catches > 0);
283	<	} catch(InterruptedException e){
284	<	unexpectedException();
285	<	} finally {
286	<	joinPool(p);
287	<	}
288	<	}
289	<
290	<	/**
291	<	* setUncaughtExceptionHandler of null removes handler
330	<	*/
331	<	public void testSetUncaughtExceptionHandler2() {
332	<	ForkJoinPool p = null;
333	<	try {
334	<	p = new ForkJoinPool(1);
335	<	p.setUncaughtExceptionHandler(null);
336	<	assertNull(p.getUncaughtExceptionHandler());
337	<	} finally {
338	<	joinPool(p);
273	>	public void testSetUncaughtExceptionHandler() throws InterruptedException {
274	>	final CountDownLatch uehInvoked = new CountDownLatch(1);
275	>	final Thread.UncaughtExceptionHandler ueh =
276	>	new Thread.UncaughtExceptionHandler() {
277	>	public void uncaughtException(Thread t, Throwable e) {
278	>	threadAssertTrue(e instanceof MyError);
279	>	threadAssertTrue(t instanceof FailingFJWSubclass);
280	>	uehInvoked.countDown();
281	>	}};
282	>	ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(),
283	>	ueh, false);
284	>	try (PoolCleaner cleaner = cleaner(p)) {
285	>	assertSame(ueh, p.getUncaughtExceptionHandler());
286	>	try {
287	>	p.execute(new FibTask(8));
288	>	await(uehInvoked);
289	>	} finally {
290	>	p.shutdownNow(); // failure might have prevented processing task
291	>	}
292		}
293		}
294
295	+	/**
296	+	* After invoking a single task, isQuiescent eventually becomes
297	+	* true, at which time queues are empty, threads are not active,
298	+	* the task has completed successfully, and construction
299	+	* parameters continue to hold
300	+	*/
301	+	public void testIsQuiescent() throws Exception {
302	+	ForkJoinPool p = new ForkJoinPool(2);
303	+	try (PoolCleaner cleaner = cleaner(p)) {
304	+	assertTrue(p.isQuiescent());
305	+	long startTime = System.nanoTime();
306	+	FibTask f = new FibTask(20);
307	+	p.invoke(f);
308	+	assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory,
309	+	p.getFactory());
310	+	while (! p.isQuiescent()) {
311	+	if (millisElapsedSince(startTime) > LONG_DELAY_MS)
312	+	throw new AssertionFailedError("timed out");
313	+	assertFalse(p.getAsyncMode());
314	+	assertFalse(p.isShutdown());
315	+	assertFalse(p.isTerminating());
316	+	assertFalse(p.isTerminated());
317	+	Thread.yield();
318	+	}
319
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);
320		assertTrue(p.isQuiescent());
356	–	assertTrue(p.getMaintainsParallelism());
321		assertFalse(p.getAsyncMode());
322	<	assertTrue(p.getActiveThreadCount() == 0);
323	<	assertTrue(p.getQueuedTaskCount() == 0);
360	<	assertTrue(p.getQueuedSubmissionCount() == 0);
322	>	assertEquals(0, p.getQueuedTaskCount());
323	>	assertEquals(0, p.getQueuedSubmissionCount());
324		assertFalse(p.hasQueuedSubmissions());
325	+	while (p.getActiveThreadCount() != 0
326	+	&& millisElapsedSince(startTime) < LONG_DELAY_MS)
327	+	Thread.yield();
328		assertFalse(p.isShutdown());
329		assertFalse(p.isTerminating());
330		assertFalse(p.isTerminated());
331	<	} catch(InterruptedException e){
332	<	unexpectedException();
333	<	} finally {
368	<	joinPool(p);
331	>	assertTrue(f.isDone());
332	>	assertEquals(6765, (int) f.get());
333	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
334		}
335		}
336
337		/**
338		* Completed submit(ForkJoinTask) returns result
339		*/
340	<	public void testSubmitForkJoinTask() {
341	<	ForkJoinPool p = null;
342	<	try {
378	<	p = new ForkJoinPool(1);
340	>	public void testSubmitForkJoinTask() throws Throwable {
341	>	ForkJoinPool p = new ForkJoinPool(1);
342	>	try (PoolCleaner cleaner = cleaner(p)) {
343		ForkJoinTask<Integer> f = p.submit(new FibTask(8));
344	<	int r = f.get();
381	<	assertTrue(r == 21);
382	<	} catch (ExecutionException ex) {
383	<	unexpectedException();
384	<	} catch (InterruptedException ex) {
385	<	unexpectedException();
386	<	} finally {
387	<	joinPool(p);
344	>	assertEquals(21, (int) f.get());
345		}
346		}
347
#	Line 392 | Line 349 | public class ForkJoinPoolTest extends JS
349		* A task submitted after shutdown is rejected
350		*/
351		public void testSubmitAfterShutdown() {
352	<	ForkJoinPool p = null;
353	<	try {
397	<	p = new ForkJoinPool(1);
352	>	ForkJoinPool p = new ForkJoinPool(1);
353	>	try (PoolCleaner cleaner = cleaner(p)) {
354		p.shutdown();
355		assertTrue(p.isShutdown());
356	<	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
357	<	shouldThrow();
358	<	} catch (RejectedExecutionException success) {
359	<	} finally {
404	<	joinPool(p);
356	>	try {
357	>	ForkJoinTask<Integer> f = p.submit(new FibTask(8));
358	>	shouldThrow();
359	>	} catch (RejectedExecutionException success) {}
360		}
361		}
362
363		/**
364		* Pool maintains parallelism when using ManagedBlocker
365		*/
366	<	public void testBlockingForkJoinTask() {
367	<	ForkJoinPool p = null;
366	>	public void testBlockingForkJoinTask() throws Throwable {
367	>	ForkJoinPool p = new ForkJoinPool(4);
368		try {
414	–	p = new ForkJoinPool(4);
369		ReentrantLock lock = new ReentrantLock();
370		ManagedLocker locker = new ManagedLocker(lock);
371	<	ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock);
371	>	ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock);
372		p.execute(f);
373	<	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();
373	>	assertEquals(6765, (int) f.get());
374		} finally {
375	<	joinPool(p);
375	>	p.shutdownNow(); // don't wait out shutdown
376		}
377		}
378
#	Line 432 | Line 380 | public class ForkJoinPoolTest extends JS
380		* pollSubmission returns unexecuted submitted task, if present
381		*/
382		public void testPollSubmission() {
383	<	SubFJP p = null;
384	<	try {
385	<	p = new SubFJP();
386	<	ForkJoinTask a = p.submit(new MediumRunnable());
387	<	ForkJoinTask b = p.submit(new MediumRunnable());
388	<	ForkJoinTask c = p.submit(new MediumRunnable());
383	>	final CountDownLatch done = new CountDownLatch(1);
384	>	SubFJP p = new SubFJP();
385	>	try (PoolCleaner cleaner = cleaner(p)) {
386	>	ForkJoinTask a = p.submit(awaiter(done));
387	>	ForkJoinTask b = p.submit(awaiter(done));
388	>	ForkJoinTask c = p.submit(awaiter(done));
389		ForkJoinTask r = p.pollSubmission();
390		assertTrue(r == a || r == b || r == c);
391		assertFalse(r.isDone());
392	<	} finally {
445	<	joinPool(p);
392	>	done.countDown();
393		}
394		}
395
#	Line 450 | Line 397 | public class ForkJoinPoolTest extends JS
397		* drainTasksTo transfers unexecuted submitted tasks, if present
398		*/
399		public void testDrainTasksTo() {
400	<	SubFJP p = null;
401	<	try {
402	<	p = new SubFJP();
403	<	ForkJoinTask a = p.submit(new MediumRunnable());
404	<	ForkJoinTask b = p.submit(new MediumRunnable());
405	<	ForkJoinTask c = p.submit(new MediumRunnable());
400	>	final CountDownLatch done = new CountDownLatch(1);
401	>	SubFJP p = new SubFJP();
402	>	try (PoolCleaner cleaner = cleaner(p)) {
403	>	ForkJoinTask a = p.submit(awaiter(done));
404	>	ForkJoinTask b = p.submit(awaiter(done));
405	>	ForkJoinTask c = p.submit(awaiter(done));
406		ArrayList<ForkJoinTask> al = new ArrayList();
407		p.drainTasksTo(al);
408		assertTrue(al.size() > 0);
#	Line 463 | Line 410 | public class ForkJoinPoolTest extends JS
410		assertTrue(r == a || r == b || r == c);
411		assertFalse(r.isDone());
412		}
413	<	} finally {
467	<	joinPool(p);
413	>	done.countDown();
414		}
415		}
416
471	–
417		// FJ Versions of AbstractExecutorService tests
418
419		/**
420		* execute(runnable) runs it to completion
421		*/
422	<	public void testExecuteRunnable() {
423	<	try {
424	<	ExecutorService e = new ForkJoinPool(1);
425	<	TrackedShortRunnable task = new TrackedShortRunnable();
426	<	assertFalse(task.done);
427	<	Future<?> future = e.submit(task);
428	<	future.get();
429	<	assertTrue(task.done);
430	<	}
431	<	catch (ExecutionException ex) {
432	<	unexpectedException();
433	<	}
434	<	catch (InterruptedException ex) {
490	<	unexpectedException();
422	>	public void testExecuteRunnable() throws Throwable {
423	>	ExecutorService e = new ForkJoinPool(1);
424	>	try (PoolCleaner cleaner = cleaner(e)) {
425	>	final AtomicBoolean done = new AtomicBoolean(false);
426	>	Future<?> future = e.submit(new CheckedRunnable() {
427	>	public void realRun() {
428	>	done.set(true);
429	>	}});
430	>	assertNull(future.get());
431	>	assertNull(future.get(0, MILLISECONDS));
432	>	assertTrue(done.get());
433	>	assertTrue(future.isDone());
434	>	assertFalse(future.isCancelled());
435		}
436		}
437
494	–
438		/**
439		* Completed submit(callable) returns result
440		*/
441	<	public void testSubmitCallable() {
442	<	try {
443	<	ExecutorService e = new ForkJoinPool(1);
441	>	public void testSubmitCallable() throws Throwable {
442	>	ExecutorService e = new ForkJoinPool(1);
443	>	try (PoolCleaner cleaner = cleaner(e)) {
444		Future<String> future = e.submit(new StringTask());
445	<	String result = future.get();
446	<	assertSame(TEST_STRING, result);
447	<	}
505	<	catch (ExecutionException ex) {
506	<	unexpectedException();
507	<	}
508	<	catch (InterruptedException ex) {
509	<	unexpectedException();
445	>	assertSame(TEST_STRING, future.get());
446	>	assertTrue(future.isDone());
447	>	assertFalse(future.isCancelled());
448		}
449		}
450
451		/**
452		* Completed submit(runnable) returns successfully
453		*/
454	<	public void testSubmitRunnable() {
455	<	try {
456	<	ExecutorService e = new ForkJoinPool(1);
454	>	public void testSubmitRunnable() throws Throwable {
455	>	ExecutorService e = new ForkJoinPool(1);
456	>	try (PoolCleaner cleaner = cleaner(e)) {
457		Future<?> future = e.submit(new NoOpRunnable());
458	<	future.get();
458	>	assertNull(future.get());
459		assertTrue(future.isDone());
460	<	}
523	<	catch (ExecutionException ex) {
524	<	unexpectedException();
525	<	}
526	<	catch (InterruptedException ex) {
527	<	unexpectedException();
460	>	assertFalse(future.isCancelled());
461		}
462		}
463
464		/**
465		* Completed submit(runnable, result) returns result
466		*/
467	<	public void testSubmitRunnable2() {
468	<	try {
469	<	ExecutorService e = new ForkJoinPool(1);
467	>	public void testSubmitRunnable2() throws Throwable {
468	>	ExecutorService e = new ForkJoinPool(1);
469	>	try (PoolCleaner cleaner = cleaner(e)) {
470		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
471	<	String result = future.get();
472	<	assertSame(TEST_STRING, result);
473	<	}
541	<	catch (ExecutionException ex) {
542	<	unexpectedException();
543	<	}
544	<	catch (InterruptedException ex) {
545	<	unexpectedException();
471	>	assertSame(TEST_STRING, future.get());
472	>	assertTrue(future.isDone());
473	>	assertFalse(future.isCancelled());
474		}
475		}
476
549	–
477		/**
478	<	* A submitted privileged action to completion
478	>	* A submitted privileged action runs to completion
479		*/
480	<	public void testSubmitPrivilegedAction() {
481	<	Policy savedPolicy = null;
482	<	try {
483	<	savedPolicy = Policy.getPolicy();
484	<	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 {
480	>	public void testSubmitPrivilegedAction() throws Exception {
481	>	final Callable callable = Executors.callable(new PrivilegedAction() {
482	>	public Object run() { return TEST_STRING; }});
483	>	Runnable r = new CheckedRunnable() {
484	>	public void realRun() throws Exception {
485		ExecutorService e = new ForkJoinPool(1);
486	<	Future future = e.submit(Executors.callable(new PrivilegedAction() {
487	<	public Object run() {
488	<	return TEST_STRING;
569	<	}}));
570	<
571	<	Object result = future.get();
572	<	assertSame(TEST_STRING, result);
573	<	}
574	<	catch (ExecutionException ex) {
575	<	unexpectedException();
576	<	}
577	<	catch (InterruptedException ex) {
578	<	unexpectedException();
579	<	}
580	<	finally {
581	<	try {
582	<	Policy.setPolicy(savedPolicy);
583	<	} catch(AccessControlException ok) {
584	<	return;
486	>	try (PoolCleaner cleaner = cleaner(e)) {
487	>	Future future = e.submit(callable);
488	>	assertSame(TEST_STRING, future.get());
489		}
490	<	}
490	>	}};
491	>
492	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
493		}
494
495		/**
496	<	* A submitted a privileged exception action runs to completion
496	>	* A submitted privileged exception action runs to completion
497		*/
498	<	public void testSubmitPrivilegedExceptionAction() {
499	<	Policy savedPolicy = null;
500	<	try {
501	<	savedPolicy = Policy.getPolicy();
502	<	AdjustablePolicy policy = new AdjustablePolicy();
503	<	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 {
498	>	public void testSubmitPrivilegedExceptionAction() throws Exception {
499	>	final Callable callable =
500	>	Executors.callable(new PrivilegedExceptionAction() {
501	>	public Object run() { return TEST_STRING; }});
502	>	Runnable r = new CheckedRunnable() {
503	>	public void realRun() throws Exception {
504		ExecutorService e = new ForkJoinPool(1);
505	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
506	<	public Object run() {
507	<	return TEST_STRING;
508	<	}}));
505	>	try (PoolCleaner cleaner = cleaner(e)) {
506	>	Future future = e.submit(callable);
507	>	assertSame(TEST_STRING, future.get());
508	>	}
509	>	}};
510
511	<	Object result = future.get();
612	<	assertSame(TEST_STRING, result);
613	<	}
614	<	catch (ExecutionException ex) {
615	<	unexpectedException();
616	<	}
617	<	catch (InterruptedException ex) {
618	<	unexpectedException();
619	<	}
620	<	finally {
621	<	Policy.setPolicy(savedPolicy);
622	<	}
511	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
512		}
513
514		/**
515		* A submitted failed privileged exception action reports exception
516		*/
517	<	public void testSubmitFailedPrivilegedExceptionAction() {
518	<	Policy savedPolicy = null;
519	<	try {
520	<	savedPolicy = Policy.getPolicy();
521	<	AdjustablePolicy policy = new AdjustablePolicy();
522	<	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 {
517	>	public void testSubmitFailedPrivilegedExceptionAction() throws Exception {
518	>	final Callable callable =
519	>	Executors.callable(new PrivilegedExceptionAction() {
520	>	public Object run() { throw new IndexOutOfBoundsException(); }});
521	>	Runnable r = new CheckedRunnable() {
522	>	public void realRun() throws Exception {
523		ExecutorService e = new ForkJoinPool(1);
524	<	Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() {
525	<	public Object run() throws Exception {
526	<	throw new IndexOutOfBoundsException();
527	<	}}));
524	>	try (PoolCleaner cleaner = cleaner(e)) {
525	>	Future future = e.submit(callable);
526	>	try {
527	>	future.get();
528	>	shouldThrow();
529	>	} catch (ExecutionException success) {
530	>	assertTrue(success.getCause() instanceof IndexOutOfBoundsException);
531	>	}
532	>	}
533	>	}};
534
535	<	Object result = future.get();
649	<	shouldThrow();
650	<	}
651	<	catch (ExecutionException success) {
652	<	} catch (CancellationException success) {
653	<	} catch (InterruptedException ex) {
654	<	unexpectedException();
655	<	}
656	<	finally {
657	<	Policy.setPolicy(savedPolicy);
658	<	}
535	>	runWithPermissions(r, new RuntimePermission("modifyThread"));
536		}
537
538		/**
539	<	* execute(null runnable) throws NPE
539	>	* execute(null runnable) throws NullPointerException
540		*/
541		public void testExecuteNullRunnable() {
542	<	try {
543	<	ExecutorService e = new ForkJoinPool(1);
544	<	TrackedShortRunnable task = null;
545	<	Future<?> future = e.submit(task);
546	<	shouldThrow();
547	<	}
671	<	catch (NullPointerException success) {
672	<	}
673	<	catch (Exception ex) {
674	<	unexpectedException();
542	>	ExecutorService e = new ForkJoinPool(1);
543	>	try (PoolCleaner cleaner = cleaner(e)) {
544	>	try {
545	>	Future<?> future = e.submit((Runnable) null);
546	>	shouldThrow();
547	>	} catch (NullPointerException success) {}
548		}
549		}
550
678	–
551		/**
552	<	* submit(null callable) throws NPE
552	>	* submit(null callable) throws NullPointerException
553		*/
554		public void testSubmitNullCallable() {
555	<	try {
556	<	ExecutorService e = new ForkJoinPool(1);
557	<	StringTask t = null;
558	<	Future<String> future = e.submit(t);
559	<	shouldThrow();
560	<	}
689	<	catch (NullPointerException success) {
690	<	}
691	<	catch (Exception ex) {
692	<	unexpectedException();
555	>	ExecutorService e = new ForkJoinPool(1);
556	>	try (PoolCleaner cleaner = cleaner(e)) {
557	>	try {
558	>	Future<String> future = e.submit((Callable) null);
559	>	shouldThrow();
560	>	} catch (NullPointerException success) {}
561		}
562		}
563
696	–
564		/**
565	<	*  Blocking on submit(callable) throws InterruptedException if
566	<	*  caller interrupted.
567	<	*/
568	<	public void testInterruptedSubmit() {
569	<	final ForkJoinPool p = new ForkJoinPool(1);
570	<	Thread t = new Thread(new Runnable() {
571	<	public void run() {
572	<	try {
573	<	p.submit(new Callable<Object>() {
574	<	public Object call() {
575	<	try {
576	<	Thread.sleep(MEDIUM_DELAY_MS);
577	<	shouldThrow();
578	<	} catch(InterruptedException e){
579	<	}
580	<	return null;
581	<	}
582	<	}).get();
716	<	} catch(InterruptedException success){
717	<	} catch(Exception e) {
718	<	unexpectedException();
719	<	}
720	<
721	<	}
722	<	});
723	<	try {
565	>	* submit(callable).get() throws InterruptedException if interrupted
566	>	*/
567	>	public void testInterruptedSubmit() throws InterruptedException {
568	>	final CountDownLatch submitted    = new CountDownLatch(1);
569	>	final CountDownLatch quittingTime = new CountDownLatch(1);
570	>	final Callable<Void> awaiter = new CheckedCallable<Void>() {
571	>	public Void realCall() throws InterruptedException {
572	>	assertTrue(quittingTime.await(2*LONG_DELAY_MS, MILLISECONDS));
573	>	return null;
574	>	}};
575	>	final ExecutorService p = new ForkJoinPool(1);
576	>	try (PoolCleaner cleaner = cleaner(p, quittingTime)) {
577	>	Thread t = new Thread(new CheckedInterruptedRunnable() {
578	>	public void realRun() throws Exception {
579	>	Future<Void> future = p.submit(awaiter);
580	>	submitted.countDown();
581	>	future.get();
582	>	}});
583		t.start();
584	<	Thread.sleep(SHORT_DELAY_MS);
584	>	await(submitted);
585		t.interrupt();
586	<	} catch(Exception e){
728	<	unexpectedException();
586	>	awaitTermination(t);
587		}
730	–	joinPool(p);
588		}
589
590		/**
591	<	*  get of submit(callable) throws ExecutionException if callable
592	<	*  throws exception
591	>	* get of submit(callable) throws ExecutionException if callable
592	>	* throws exception
593		*/
594	<	public void testSubmitEE() {
594	>	public void testSubmitEE() throws Throwable {
595		ForkJoinPool p = new ForkJoinPool(1);
596	<
597	<	try {
598	<	Callable c = new Callable() {
599	<	public Object call() {
600	<	int i = 5/0;
601	<	return Boolean.TRUE;
602	<	}
603	<	};
747	<
748	<	for(int i =0; i < 5; i++){
749	<	p.submit(c).get();
596	>	try (PoolCleaner cleaner = cleaner(p)) {
597	>	try {
598	>	p.submit(new Callable() {
599	>	public Object call() { throw new ArithmeticException(); }})
600	>	.get();
601	>	shouldThrow();
602	>	} catch (ExecutionException success) {
603	>	assertTrue(success.getCause() instanceof ArithmeticException);
604		}
751	–
752	–	shouldThrow();
605		}
606	<	catch(ExecutionException success){
607	<	} catch (CancellationException success) {
608	<	} catch(Exception e) {
609	<	unexpectedException();
606	>	}
607	>
608	>	/**
609	>	* invokeAny(null) throws NullPointerException
610	>	*/
611	>	public void testInvokeAny1() throws Throwable {
612	>	ExecutorService e = new ForkJoinPool(1);
613	>	try (PoolCleaner cleaner = cleaner(e)) {
614	>	try {
615	>	e.invokeAny(null);
616	>	shouldThrow();
617	>	} catch (NullPointerException success) {}
618		}
759	–	joinPool(p);
619		}
620
621		/**
622	<	* invokeAny(null) throws NPE
622	>	* invokeAny(empty collection) throws IllegalArgumentException
623		*/
624	<	public void testInvokeAny1() {
624	>	public void testInvokeAny2() throws Throwable {
625		ExecutorService e = new ForkJoinPool(1);
626	<	try {
627	<	e.invokeAny(null);
628	<	} catch (NullPointerException success) {
629	<	} catch(Exception ex) {
630	<	unexpectedException();
772	<	} finally {
773	<	joinPool(e);
626	>	try (PoolCleaner cleaner = cleaner(e)) {
627	>	try {
628	>	e.invokeAny(new ArrayList<Callable<String>>());
629	>	shouldThrow();
630	>	} catch (IllegalArgumentException success) {}
631		}
632		}
633
634		/**
635	<	* invokeAny(empty collection) throws IAE
635	>	* invokeAny(c) throws NullPointerException if c has a single null element
636		*/
637	<	public void testInvokeAny2() {
637	>	public void testInvokeAny3() throws Throwable {
638		ExecutorService e = new ForkJoinPool(1);
639	<	try {
640	<	e.invokeAny(new ArrayList<Callable<String>>());
641	<	} catch (IllegalArgumentException success) {
642	<	} catch(Exception ex) {
643	<	unexpectedException();
644	<	} finally {
645	<	joinPool(e);
639	>	try (PoolCleaner cleaner = cleaner(e)) {
640	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
641	>	l.add(null);
642	>	try {
643	>	e.invokeAny(l);
644	>	shouldThrow();
645	>	} catch (NullPointerException success) {}
646		}
647		}
648
649		/**
650	<	* invokeAny(c) throws NPE if c has null elements
650	>	* invokeAny(c) throws NullPointerException if c has null elements
651		*/
652	<	public void testInvokeAny3() {
652	>	public void testInvokeAny4() throws Throwable {
653	>	CountDownLatch latch = new CountDownLatch(1);
654		ExecutorService e = new ForkJoinPool(1);
655	<	try {
656	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
657	<	l.add(new StringTask());
655	>	try (PoolCleaner cleaner = cleaner(e)) {
656	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
657	>	l.add(latchAwaitingStringTask(latch));
658		l.add(null);
659	<	e.invokeAny(l);
660	<	} catch (NullPointerException success) {
661	<	} catch(Exception ex) {
662	<	ex.printStackTrace();
663	<	unexpectedException();
806	<	} finally {
807	<	joinPool(e);
659	>	try {
660	>	e.invokeAny(l);
661	>	shouldThrow();
662	>	} catch (NullPointerException success) {}
663	>	latch.countDown();
664		}
665		}
666
667		/**
668		* invokeAny(c) throws ExecutionException if no task in c completes
669		*/
670	<	public void testInvokeAny4() {
670	>	public void testInvokeAny5() throws Throwable {
671		ExecutorService e = new ForkJoinPool(1);
672	<	try {
673	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
672	>	try (PoolCleaner cleaner = cleaner(e)) {
673	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
674		l.add(new NPETask());
675	<	e.invokeAny(l);
676	<	} catch(ExecutionException success) {
677	<	} catch (CancellationException success) {
678	<	} catch(Exception ex) {
679	<	unexpectedException();
680	<	} finally {
825	<	joinPool(e);
675	>	try {
676	>	e.invokeAny(l);
677	>	shouldThrow();
678	>	} catch (ExecutionException success) {
679	>	assertTrue(success.getCause() instanceof NullPointerException);
680	>	}
681		}
682		}
683
684		/**
685		* invokeAny(c) returns result of some task in c if at least one completes
686		*/
687	<	public void testInvokeAny5() {
687	>	public void testInvokeAny6() throws Throwable {
688		ExecutorService e = new ForkJoinPool(1);
689	<	try {
690	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
689	>	try (PoolCleaner cleaner = cleaner(e)) {
690	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
691		l.add(new StringTask());
692		l.add(new StringTask());
693		String result = e.invokeAny(l);
694		assertSame(TEST_STRING, result);
840	–	} catch (ExecutionException success) {
841	–	} catch (CancellationException success) {
842	–	} catch(Exception ex) {
843	–	unexpectedException();
844	–	} finally {
845	–	joinPool(e);
695		}
696		}
697
698		/**
699	<	* invokeAll(null) throws NPE
699	>	* invokeAll(null) throws NullPointerException
700		*/
701	<	public void testInvokeAll1() {
701	>	public void testInvokeAll1() throws Throwable {
702		ExecutorService e = new ForkJoinPool(1);
703	<	try {
704	<	e.invokeAll(null);
705	<	} catch (NullPointerException success) {
706	<	} catch(Exception ex) {
707	<	unexpectedException();
859	<	} finally {
860	<	joinPool(e);
703	>	try (PoolCleaner cleaner = cleaner(e)) {
704	>	try {
705	>	e.invokeAll(null);
706	>	shouldThrow();
707	>	} catch (NullPointerException success) {}
708		}
709		}
710
711		/**
712		* invokeAll(empty collection) returns empty collection
713		*/
714	<	public void testInvokeAll2() {
714	>	public void testInvokeAll2() throws InterruptedException {
715		ExecutorService e = new ForkJoinPool(1);
716	<	try {
717	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
716	>	try (PoolCleaner cleaner = cleaner(e)) {
717	>	List<Future<String>> r
718	>	= e.invokeAll(new ArrayList<Callable<String>>());
719		assertTrue(r.isEmpty());
872	–	} catch(Exception ex) {
873	–	unexpectedException();
874	–	} finally {
875	–	joinPool(e);
720		}
721		}
722
723		/**
724	<	* invokeAll(c) throws NPE if c has null elements
724	>	* invokeAll(c) throws NullPointerException if c has null elements
725		*/
726	<	public void testInvokeAll3() {
726	>	public void testInvokeAll3() throws InterruptedException {
727		ExecutorService e = new ForkJoinPool(1);
728	<	try {
729	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
728	>	try (PoolCleaner cleaner = cleaner(e)) {
729	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
730		l.add(new StringTask());
731		l.add(null);
732	<	e.invokeAll(l);
733	<	} catch (NullPointerException success) {
734	<	} catch(Exception ex) {
735	<	unexpectedException();
892	<	} finally {
893	<	joinPool(e);
732	>	try {
733	>	e.invokeAll(l);
734	>	shouldThrow();
735	>	} catch (NullPointerException success) {}
736		}
737		}
738
739		/**
740	<	* get of returned element of invokeAll(c) throws exception on failed task
740	>	* get of returned element of invokeAll(c) throws
741	>	* ExecutionException on failed task
742		*/
743	<	public void testInvokeAll4() {
743	>	public void testInvokeAll4() throws Throwable {
744		ExecutorService e = new ForkJoinPool(1);
745	<	try {
746	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
745	>	try (PoolCleaner cleaner = cleaner(e)) {
746	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
747		l.add(new NPETask());
748	<	List<Future<String>> result = e.invokeAll(l);
749	<	assertEquals(1, result.size());
750	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
751	<	it.next().get();
752	<	} catch(ExecutionException success) {
753	<	} catch (CancellationException success) {
754	<	} catch(Exception ex) {
755	<	ex.printStackTrace();
913	<	unexpectedException();
914	<	} finally {
915	<	joinPool(e);
748	>	List<Future<String>> futures = e.invokeAll(l);
749	>	assertEquals(1, futures.size());
750	>	try {
751	>	futures.get(0).get();
752	>	shouldThrow();
753	>	} catch (ExecutionException success) {
754	>	assertTrue(success.getCause() instanceof NullPointerException);
755	>	}
756		}
757		}
758
759		/**
760		* invokeAll(c) returns results of all completed tasks in c
761		*/
762	<	public void testInvokeAll5() {
762	>	public void testInvokeAll5() throws Throwable {
763		ExecutorService e = new ForkJoinPool(1);
764	<	try {
765	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
764	>	try (PoolCleaner cleaner = cleaner(e)) {
765	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
766		l.add(new StringTask());
767		l.add(new StringTask());
768	<	List<Future<String>> result = e.invokeAll(l);
769	<	assertEquals(2, result.size());
770	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
771	<	assertSame(TEST_STRING, it.next().get());
932	<	} catch (ExecutionException success) {
933	<	} catch (CancellationException success) {
934	<	} catch(Exception ex) {
935	<	ex.printStackTrace();
936	<	unexpectedException();
937	<	} finally {
938	<	joinPool(e);
768	>	List<Future<String>> futures = e.invokeAll(l);
769	>	assertEquals(2, futures.size());
770	>	for (Future<String> future : futures)
771	>	assertSame(TEST_STRING, future.get());
772		}
773		}
774
942	–
775		/**
776	<	* timed invokeAny(null) throws NPE
776	>	* timed invokeAny(null) throws NullPointerException
777		*/
778	<	public void testTimedInvokeAny1() {
778	>	public void testTimedInvokeAny1() throws Throwable {
779		ExecutorService e = new ForkJoinPool(1);
780	<	try {
781	<	e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
782	<	} catch (NullPointerException success) {
783	<	} catch(Exception ex) {
784	<	ex.printStackTrace();
953	<	unexpectedException();
954	<	} finally {
955	<	joinPool(e);
780	>	try (PoolCleaner cleaner = cleaner(e)) {
781	>	try {
782	>	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
783	>	shouldThrow();
784	>	} catch (NullPointerException success) {}
785		}
786		}
787
788		/**
789	<	* timed invokeAny(null time unit) throws NPE
789	>	* timed invokeAny(null time unit) throws NullPointerException
790		*/
791	<	public void testTimedInvokeAnyNullTimeUnit() {
791	>	public void testTimedInvokeAnyNullTimeUnit() throws Throwable {
792		ExecutorService e = new ForkJoinPool(1);
793	<	try {
794	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
793	>	try (PoolCleaner cleaner = cleaner(e)) {
794	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
795		l.add(new StringTask());
796	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
797	<	} catch (NullPointerException success) {
798	<	} catch(Exception ex) {
799	<	ex.printStackTrace();
971	<	unexpectedException();
972	<	} finally {
973	<	joinPool(e);
796	>	try {
797	>	e.invokeAny(l, MEDIUM_DELAY_MS, null);
798	>	shouldThrow();
799	>	} catch (NullPointerException success) {}
800		}
801		}
802
803		/**
804	<	* timed invokeAny(empty collection) throws IAE
804	>	* timed invokeAny(empty collection) throws IllegalArgumentException
805		*/
806	<	public void testTimedInvokeAny2() {
806	>	public void testTimedInvokeAny2() throws Throwable {
807		ExecutorService e = new ForkJoinPool(1);
808	<	try {
809	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
810	<	} catch (IllegalArgumentException success) {
811	<	} catch(Exception ex) {
812	<	ex.printStackTrace();
813	<	unexpectedException();
988	<	} finally {
989	<	joinPool(e);
808	>	try (PoolCleaner cleaner = cleaner(e)) {
809	>	try {
810	>	e.invokeAny(new ArrayList<Callable<String>>(),
811	>	MEDIUM_DELAY_MS, MILLISECONDS);
812	>	shouldThrow();
813	>	} catch (IllegalArgumentException success) {}
814		}
815		}
816
817		/**
818	<	* timed invokeAny(c) throws NPE if c has null elements
818	>	* timed invokeAny(c) throws NullPointerException if c has null elements
819		*/
820	<	public void testTimedInvokeAny3() {
820	>	public void testTimedInvokeAny3() throws Throwable {
821	>	CountDownLatch latch = new CountDownLatch(1);
822		ExecutorService e = new ForkJoinPool(1);
823	<	try {
824	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
825	<	l.add(new StringTask());
823	>	try (PoolCleaner cleaner = cleaner(e)) {
824	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
825	>	l.add(latchAwaitingStringTask(latch));
826		l.add(null);
827	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
828	<	} catch (NullPointerException success) {
829	<	} catch(Exception ex) {
830	<	ex.printStackTrace();
831	<	unexpectedException();
1007	<	} finally {
1008	<	joinPool(e);
827	>	try {
828	>	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
829	>	shouldThrow();
830	>	} catch (NullPointerException success) {}
831	>	latch.countDown();
832		}
833		}
834
835		/**
836		* timed invokeAny(c) throws ExecutionException if no task completes
837		*/
838	<	public void testTimedInvokeAny4() {
838	>	public void testTimedInvokeAny4() throws Throwable {
839		ExecutorService e = new ForkJoinPool(1);
840	<	try {
841	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
840	>	try (PoolCleaner cleaner = cleaner(e)) {
841	>	long startTime = System.nanoTime();
842	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
843		l.add(new NPETask());
844	<	e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
845	<	} catch(ExecutionException success) {
846	<	} catch (CancellationException success) {
847	<	} catch(Exception ex) {
848	<	ex.printStackTrace();
849	<	unexpectedException();
850	<	} finally {
1027	<	joinPool(e);
844	>	try {
845	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
846	>	shouldThrow();
847	>	} catch (ExecutionException success) {
848	>	assertTrue(success.getCause() instanceof NullPointerException);
849	>	}
850	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
851		}
852		}
853
854		/**
855		* timed invokeAny(c) returns result of some task in c
856		*/
857	<	public void testTimedInvokeAny5() {
857	>	public void testTimedInvokeAny5() throws Throwable {
858		ExecutorService e = new ForkJoinPool(1);
859	<	try {
860	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
859	>	try (PoolCleaner cleaner = cleaner(e)) {
860	>	long startTime = System.nanoTime();
861	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
862		l.add(new StringTask());
863		l.add(new StringTask());
864	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
864	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
865		assertSame(TEST_STRING, result);
866	<	} catch (ExecutionException success) {
1043	<	} catch (CancellationException success) {
1044	<	} catch(Exception ex) {
1045	<	ex.printStackTrace();
1046	<	unexpectedException();
1047	<	} finally {
1048	<	joinPool(e);
866	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
867		}
868		}
869
870		/**
871	<	* timed invokeAll(null) throws NPE
871	>	* timed invokeAll(null) throws NullPointerException
872		*/
873	<	public void testTimedInvokeAll1() {
873	>	public void testTimedInvokeAll1() throws Throwable {
874		ExecutorService e = new ForkJoinPool(1);
875	<	try {
876	<	e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
877	<	} catch (NullPointerException success) {
878	<	} catch(Exception ex) {
879	<	ex.printStackTrace();
1062	<	unexpectedException();
1063	<	} finally {
1064	<	joinPool(e);
875	>	try (PoolCleaner cleaner = cleaner(e)) {
876	>	try {
877	>	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
878	>	shouldThrow();
879	>	} catch (NullPointerException success) {}
880		}
881		}
882
883		/**
884	<	* timed invokeAll(null time unit) throws NPE
884	>	* timed invokeAll(null time unit) throws NullPointerException
885		*/
886	<	public void testTimedInvokeAllNullTimeUnit() {
886	>	public void testTimedInvokeAllNullTimeUnit() throws Throwable {
887		ExecutorService e = new ForkJoinPool(1);
888	<	try {
889	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
888	>	try (PoolCleaner cleaner = cleaner(e)) {
889	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
890		l.add(new StringTask());
891	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
892	<	} catch (NullPointerException success) {
893	<	} catch(Exception ex) {
894	<	ex.printStackTrace();
1080	<	unexpectedException();
1081	<	} finally {
1082	<	joinPool(e);
891	>	try {
892	>	e.invokeAll(l, MEDIUM_DELAY_MS, null);
893	>	shouldThrow();
894	>	} catch (NullPointerException success) {}
895		}
896		}
897
898		/**
899		* timed invokeAll(empty collection) returns empty collection
900		*/
901	<	public void testTimedInvokeAll2() {
901	>	public void testTimedInvokeAll2() throws InterruptedException {
902		ExecutorService e = new ForkJoinPool(1);
903	<	try {
904	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
903	>	try (PoolCleaner cleaner = cleaner(e)) {
904	>	List<Future<String>> r
905	>	= e.invokeAll(new ArrayList<Callable<String>>(),
906	>	MEDIUM_DELAY_MS, MILLISECONDS);
907		assertTrue(r.isEmpty());
1094	–	} catch(Exception ex) {
1095	–	ex.printStackTrace();
1096	–	unexpectedException();
1097	–	} finally {
1098	–	joinPool(e);
908		}
909		}
910
911		/**
912	<	* timed invokeAll(c) throws NPE if c has null elements
912	>	* timed invokeAll(c) throws NullPointerException if c has null elements
913		*/
914	<	public void testTimedInvokeAll3() {
914	>	public void testTimedInvokeAll3() throws InterruptedException {
915		ExecutorService e = new ForkJoinPool(1);
916	<	try {
917	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
916	>	try (PoolCleaner cleaner = cleaner(e)) {
917	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
918		l.add(new StringTask());
919		l.add(null);
920	<	e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
921	<	} catch (NullPointerException success) {
922	<	} catch(Exception ex) {
923	<	ex.printStackTrace();
1115	<	unexpectedException();
1116	<	} finally {
1117	<	joinPool(e);
920	>	try {
921	>	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
922	>	shouldThrow();
923	>	} catch (NullPointerException success) {}
924		}
925		}
926
927		/**
928		* get of returned element of invokeAll(c) throws exception on failed task
929		*/
930	<	public void testTimedInvokeAll4() {
930	>	public void testTimedInvokeAll4() throws Throwable {
931		ExecutorService e = new ForkJoinPool(1);
932	<	try {
933	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
932	>	try (PoolCleaner cleaner = cleaner(e)) {
933	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
934		l.add(new NPETask());
935	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
936	<	assertEquals(1, result.size());
937	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
938	<	it.next().get();
939	<	} catch(ExecutionException success) {
940	<	} catch (CancellationException success) {
941	<	} catch(Exception ex) {
942	<	ex.printStackTrace();
943	<	unexpectedException();
1138	<	} finally {
1139	<	joinPool(e);
935	>	List<Future<String>> futures
936	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
937	>	assertEquals(1, futures.size());
938	>	try {
939	>	futures.get(0).get();
940	>	shouldThrow();
941	>	} catch (ExecutionException success) {
942	>	assertTrue(success.getCause() instanceof NullPointerException);
943	>	}
944		}
945		}
946
947		/**
948		* timed invokeAll(c) returns results of all completed tasks in c
949		*/
950	<	public void testTimedInvokeAll5() {
951	<	ExecutorService e = new ForkJoinPool(1);
952	<	try {
953	<	ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
950	>	public void testTimedInvokeAll5() throws Throwable {
951	>	ForkJoinPool e = new ForkJoinPool(1);
952	>	try (PoolCleaner cleaner = cleaner(e)) {
953	>	List<Callable<String>> l = new ArrayList<Callable<String>>();
954		l.add(new StringTask());
955		l.add(new StringTask());
956	<	List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
957	<	assertEquals(2, result.size());
958	<	for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
959	<	assertSame(TEST_STRING, it.next().get());
960	<	} catch (ExecutionException success) {
1157	<	} catch (CancellationException success) {
1158	<	} catch(Exception ex) {
1159	<	ex.printStackTrace();
1160	<	unexpectedException();
1161	<	} finally {
1162	<	joinPool(e);
956	>	List<Future<String>> futures
957	>	= e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
958	>	assertEquals(2, futures.size());
959	>	for (Future<String> future : futures)
960	>	assertSame(TEST_STRING, future.get());
961		}
962		}
963

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