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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.46 by jsr166, Sun Oct 4 16:03:12 2015 UTC vs.
Revision 1.72 by jsr166, Fri Sep 6 18:43:35 2019 UTC

#	Line 5 | Line 5
5		*/
6
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
9		import static java.util.concurrent.TimeUnit.SECONDS;
10
11		import java.util.ArrayList;
12	+	import java.util.Collection;
13	+	import java.util.Collections;
14		import java.util.HashSet;
15		import java.util.List;
16		import java.util.concurrent.BlockingQueue;
#	Line 16 | Line 19 | import java.util.concurrent.Cancellation
19		import java.util.concurrent.CountDownLatch;
20		import java.util.concurrent.Delayed;
21		import java.util.concurrent.ExecutionException;
19	–	import java.util.concurrent.Executors;
22		import java.util.concurrent.ExecutorService;
23		import java.util.concurrent.Future;
24		import java.util.concurrent.RejectedExecutionException;
#	Line 25 | Line 27 | import java.util.concurrent.RunnableSche
27		import java.util.concurrent.ScheduledFuture;
28		import java.util.concurrent.ScheduledThreadPoolExecutor;
29		import java.util.concurrent.ThreadFactory;
30	+	import java.util.concurrent.ThreadLocalRandom;
31		import java.util.concurrent.ThreadPoolExecutor;
32		import java.util.concurrent.TimeoutException;
33		import java.util.concurrent.TimeUnit;
34	+	import java.util.concurrent.atomic.AtomicBoolean;
35		import java.util.concurrent.atomic.AtomicInteger;
36	+	import java.util.concurrent.atomic.AtomicLong;
37	+	import java.util.stream.Stream;
38
39		import junit.framework.Test;
40		import junit.framework.TestSuite;
#	Line 42 | Line 48 | public class ScheduledExecutorSubclassTe
48		}
49
50		static class CustomTask<V> implements RunnableScheduledFuture<V> {
51	<	RunnableScheduledFuture<V> task;
51	>	private final RunnableScheduledFuture<V> task;
52		volatile boolean ran;
53	<	CustomTask(RunnableScheduledFuture<V> t) { task = t; }
53	>	CustomTask(RunnableScheduledFuture<V> task) { this.task = task; }
54		public boolean isPeriodic() { return task.isPeriodic(); }
55		public void run() {
56		ran = true;
#	Line 105 | Line 111 | public class ScheduledExecutorSubclassTe
111		final Runnable task = new CheckedRunnable() {
112		public void realRun() { done.countDown(); }};
113		p.execute(task);
114	<	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
114	>	await(done);
115		}
116		}
117
#	Line 113 | Line 119 | public class ScheduledExecutorSubclassTe
119		* delayed schedule of callable successfully executes after delay
120		*/
121		public void testSchedule1() throws Exception {
122	+	final CountDownLatch done = new CountDownLatch(1);
123		final CustomExecutor p = new CustomExecutor(1);
124	<	try (PoolCleaner cleaner = cleaner(p)) {
124	>	try (PoolCleaner cleaner = cleaner(p, done)) {
125		final long startTime = System.nanoTime();
119	–	final CountDownLatch done = new CountDownLatch(1);
126		Callable task = new CheckedCallable<Boolean>() {
127		public Boolean realCall() {
128		done.countDown();
#	Line 126 | Line 132 | public class ScheduledExecutorSubclassTe
132		Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
133		assertSame(Boolean.TRUE, f.get());
134		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
129	–	assertTrue(done.await(0L, MILLISECONDS));
135		}
136		}
137
#	Line 200 | Line 205 | public class ScheduledExecutorSubclassTe
205		}
206
207		/**
208	<	* scheduleAtFixedRate executes series of tasks at given rate
208	>	* scheduleAtFixedRate executes series of tasks at given rate.
209	>	* Eventually, it must hold that:
210	>	*   cycles - 1 <= elapsedMillis/delay < cycles
211		*/
212		public void testFixedRateSequence() throws InterruptedException {
213		final CustomExecutor p = new CustomExecutor(1);
214		try (PoolCleaner cleaner = cleaner(p)) {
215		for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
216	<	long startTime = System.nanoTime();
217	<	int cycles = 10;
216	>	final long startTime = System.nanoTime();
217	>	final int cycles = 8;
218		final CountDownLatch done = new CountDownLatch(cycles);
219	<	Runnable task = new CheckedRunnable() {
219	>	final Runnable task = new CheckedRunnable() {
220		public void realRun() { done.countDown(); }};
221	<	ScheduledFuture h =
221	>	final ScheduledFuture periodicTask =
222		p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
223	<	done.await();
224	<	h.cancel(true);
225	<	double normalizedTime =
226	<	(double) millisElapsedSince(startTime) / delay;
227	<	if (normalizedTime >= cycles - 1 &&
228	<	normalizedTime <= cycles)
223	>	final int totalDelayMillis = (cycles - 1) * delay;
224	>	await(done, totalDelayMillis + LONG_DELAY_MS);
225	>	periodicTask.cancel(true);
226	>	final long elapsedMillis = millisElapsedSince(startTime);
227	>	assertTrue(elapsedMillis >= totalDelayMillis);
228	>	if (elapsedMillis <= cycles * delay)
229		return;
230	+	// else retry with longer delay
231		}
232	<	throw new AssertionError("unexpected execution rate");
232	>	fail("unexpected execution rate");
233		}
234		}
235
236		/**
237	<	* scheduleWithFixedDelay executes series of tasks with given period
237	>	* scheduleWithFixedDelay executes series of tasks with given period.
238	>	* Eventually, it must hold that each task starts at least delay and at
239	>	* most 2 * delay after the termination of the previous task.
240		*/
241		public void testFixedDelaySequence() throws InterruptedException {
242		final CustomExecutor p = new CustomExecutor(1);
243		try (PoolCleaner cleaner = cleaner(p)) {
244		for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
245	<	long startTime = System.nanoTime();
246	<	int cycles = 10;
245	>	final long startTime = System.nanoTime();
246	>	final AtomicLong previous = new AtomicLong(startTime);
247	>	final AtomicBoolean tryLongerDelay = new AtomicBoolean(false);
248	>	final int cycles = 8;
249		final CountDownLatch done = new CountDownLatch(cycles);
250	<	Runnable task = new CheckedRunnable() {
251	<	public void realRun() { done.countDown(); }};
252	<	ScheduledFuture h =
250	>	final int d = delay;
251	>	final Runnable task = new CheckedRunnable() {
252	>	public void realRun() {
253	>	long now = System.nanoTime();
254	>	long elapsedMillis
255	>	= NANOSECONDS.toMillis(now - previous.get());
256	>	if (done.getCount() == cycles) { // first execution
257	>	if (elapsedMillis >= d)
258	>	tryLongerDelay.set(true);
259	>	} else {
260	>	assertTrue(elapsedMillis >= d);
261	>	if (elapsedMillis >= 2 * d)
262	>	tryLongerDelay.set(true);
263	>	}
264	>	previous.set(now);
265	>	done.countDown();
266	>	}};
267	>	final ScheduledFuture periodicTask =
268		p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
269	<	done.await();
270	<	h.cancel(true);
271	<	double normalizedTime =
272	<	(double) millisElapsedSince(startTime) / delay;
273	<	if (normalizedTime >= cycles - 1 &&
274	<	normalizedTime <= cycles)
269	>	final int totalDelayMillis = (cycles - 1) * delay;
270	>	await(done, totalDelayMillis + cycles * LONG_DELAY_MS);
271	>	periodicTask.cancel(true);
272	>	final long elapsedMillis = millisElapsedSince(startTime);
273	>	assertTrue(elapsedMillis >= totalDelayMillis);
274	>	if (!tryLongerDelay.get())
275		return;
276	+	// else retry with longer delay
277		}
278	<	throw new AssertionError("unexpected execution rate");
278	>	fail("unexpected execution rate");
279		}
280		}
281
282		/**
283	<	* execute(null) throws NPE
283	>	* Submitting null tasks throws NullPointerException
284		*/
285	<	public void testExecuteNull() throws InterruptedException {
285	>	public void testNullTaskSubmission() {
286		final CustomExecutor p = new CustomExecutor(1);
287		try (PoolCleaner cleaner = cleaner(p)) {
288	<	try {
261	<	p.execute(null);
262	<	shouldThrow();
263	<	} catch (NullPointerException success) {}
288	>	assertNullTaskSubmissionThrowsNullPointerException(p);
289		}
290		}
291
292		/**
293	<	* schedule(null) throws NPE
293	>	* Submitted tasks are rejected when shutdown
294		*/
295	<	public void testScheduleNull() throws InterruptedException {
296	<	final CustomExecutor p = new CustomExecutor(1);
297	<	try (PoolCleaner cleaner = cleaner(p)) {
298	<	try {
299	<	TrackedCallable callable = null;
300	<	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
301	<	shouldThrow();
302	<	} catch (NullPointerException success) {}
303	<	}
304	<	}
295	>	public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException {
296	>	final CustomExecutor p = new CustomExecutor(2);
297	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
298	>	final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize());
299	>	final CountDownLatch done = new CountDownLatch(1);
300	>	final Runnable r = () -> {
301	>	threadsStarted.countDown();
302	>	for (;;) {
303	>	try {
304	>	done.await();
305	>	return;
306	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
307	>	}};
308	>	final Callable<Boolean> c = () -> {
309	>	threadsStarted.countDown();
310	>	for (;;) {
311	>	try {
312	>	done.await();
313	>	return Boolean.TRUE;
314	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
315	>	}};
316
317	<	/**
318	<	* execute throws RejectedExecutionException if shutdown
319	<	*/
320	<	public void testSchedule1_RejectedExecutionException() {
321	<	final CustomExecutor p = new CustomExecutor(1);
322	<	try (PoolCleaner cleaner = cleaner(p)) {
323	<	try {
324	<	p.shutdown();
325	<	p.schedule(new NoOpRunnable(),
290	<	MEDIUM_DELAY_MS, MILLISECONDS);
291	<	shouldThrow();
292	<	} catch (RejectedExecutionException success) {
293	<	} catch (SecurityException ok) {}
294	<	}
295	<	}
317	>	try (PoolCleaner cleaner = cleaner(p, done)) {
318	>	for (int i = p.getCorePoolSize(); i--> 0; ) {
319	>	switch (rnd.nextInt(4)) {
320	>	case 0: p.execute(r); break;
321	>	case 1: assertFalse(p.submit(r).isDone()); break;
322	>	case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break;
323	>	case 3: assertFalse(p.submit(c).isDone()); break;
324	>	}
325	>	}
326
327	<	/**
328	<	* schedule throws RejectedExecutionException if shutdown
299	<	*/
300	<	public void testSchedule2_RejectedExecutionException() {
301	<	final CustomExecutor p = new CustomExecutor(1);
302	<	try (PoolCleaner cleaner = cleaner(p)) {
303	<	try {
304	<	p.shutdown();
305	<	p.schedule(new NoOpCallable(),
306	<	MEDIUM_DELAY_MS, MILLISECONDS);
307	<	shouldThrow();
308	<	} catch (RejectedExecutionException success) {
309	<	} catch (SecurityException ok) {}
310	<	}
311	<	}
327	>	// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated.
328	>	await(threadsStarted);
329
330	<	/**
331	<	* schedule callable throws RejectedExecutionException if shutdown
332	<	*/
316	<	public void testSchedule3_RejectedExecutionException() {
317	<	final CustomExecutor p = new CustomExecutor(1);
318	<	try (PoolCleaner cleaner = cleaner(p)) {
319	<	try {
330	>	if (rnd.nextBoolean())
331	>	p.shutdownNow();
332	>	else
333		p.shutdown();
334	<	p.schedule(new NoOpCallable(),
335	<	MEDIUM_DELAY_MS, MILLISECONDS);
336	<	shouldThrow();
324	<	} catch (RejectedExecutionException success) {
325	<	} catch (SecurityException ok) {}
326	<	}
327	<	}
334	>	// Pool is shutdown, but not yet terminated
335	>	assertTaskSubmissionsAreRejected(p);
336	>	assertFalse(p.isTerminated());
337
338	<	/**
339	<	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
331	<	*/
332	<	public void testScheduleAtFixedRate1_RejectedExecutionException() {
333	<	final CustomExecutor p = new CustomExecutor(1);
334	<	try (PoolCleaner cleaner = cleaner(p)) {
335	<	try {
336	<	p.shutdown();
337	<	p.scheduleAtFixedRate(new NoOpRunnable(),
338	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
339	<	shouldThrow();
340	<	} catch (RejectedExecutionException success) {
341	<	} catch (SecurityException ok) {}
342	<	}
343	<	}
338	>	done.countDown();   // release blocking tasks
339	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
340
341	<	/**
346	<	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
347	<	*/
348	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() {
349	<	final CustomExecutor p = new CustomExecutor(1);
350	<	try (PoolCleaner cleaner = cleaner(p)) {
351	<	try {
352	<	p.shutdown();
353	<	p.scheduleWithFixedDelay(new NoOpRunnable(),
354	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
355	<	shouldThrow();
356	<	} catch (RejectedExecutionException success) {
357	<	} catch (SecurityException ok) {}
341	>	assertTaskSubmissionsAreRejected(p);
342		}
343	+	assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount());
344		}
345
346		/**
#	Line 363 | Line 348 | public class ScheduledExecutorSubclassTe
348		* thread becomes active
349		*/
350		public void testGetActiveCount() throws InterruptedException {
351	+	final CountDownLatch done = new CountDownLatch(1);
352		final ThreadPoolExecutor p = new CustomExecutor(2);
353	<	try (PoolCleaner cleaner = cleaner(p)) {
353	>	try (PoolCleaner cleaner = cleaner(p, done)) {
354		final CountDownLatch threadStarted = new CountDownLatch(1);
369	–	final CountDownLatch done = new CountDownLatch(1);
355		assertEquals(0, p.getActiveCount());
356		p.execute(new CheckedRunnable() {
357		public void realRun() throws InterruptedException {
358		threadStarted.countDown();
359		assertEquals(1, p.getActiveCount());
360	<	done.await();
360	>	await(done);
361		}});
362	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
362	>	await(threadStarted);
363		assertEquals(1, p.getActiveCount());
379	–	done.countDown();
364		}
365		}
366
#	Line 395 | Line 379 | public class ScheduledExecutorSubclassTe
379		public void realRun() throws InterruptedException {
380		threadStarted.countDown();
381		assertEquals(0, p.getCompletedTaskCount());
382	<	threadProceed.await();
382	>	await(threadProceed);
383		threadDone.countDown();
384		}});
385		await(threadStarted);
386		assertEquals(0, p.getCompletedTaskCount());
387		threadProceed.countDown();
388	<	threadDone.await();
388	>	await(threadDone);
389		long startTime = System.nanoTime();
390		while (p.getCompletedTaskCount() != 1) {
391		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
#	Line 427 | Line 411 | public class ScheduledExecutorSubclassTe
411		*/
412		public void testGetLargestPoolSize() throws InterruptedException {
413		final int THREADS = 3;
414	+	final CountDownLatch done = new CountDownLatch(1);
415		final ThreadPoolExecutor p = new CustomExecutor(THREADS);
416	<	try (PoolCleaner cleaner = cleaner(p)) {
416	>	try (PoolCleaner cleaner = cleaner(p, done)) {
417		final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
433	–	final CountDownLatch done = new CountDownLatch(1);
418		assertEquals(0, p.getLargestPoolSize());
419		for (int i = 0; i < THREADS; i++)
420		p.execute(new CheckedRunnable() {
421		public void realRun() throws InterruptedException {
422		threadsStarted.countDown();
423	<	done.await();
423	>	await(done);
424		assertEquals(THREADS, p.getLargestPoolSize());
425		}});
426	<	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
426	>	await(threadsStarted);
427		assertEquals(THREADS, p.getLargestPoolSize());
444	–	done.countDown();
428		}
429		assertEquals(THREADS, p.getLargestPoolSize());
430		}
#	Line 451 | Line 434 | public class ScheduledExecutorSubclassTe
434		* become active
435		*/
436		public void testGetPoolSize() throws InterruptedException {
437	+	final CountDownLatch done = new CountDownLatch(1);
438		final ThreadPoolExecutor p = new CustomExecutor(1);
439	<	try (PoolCleaner cleaner = cleaner(p)) {
439	>	try (PoolCleaner cleaner = cleaner(p, done)) {
440		final CountDownLatch threadStarted = new CountDownLatch(1);
457	–	final CountDownLatch done = new CountDownLatch(1);
441		assertEquals(0, p.getPoolSize());
442		p.execute(new CheckedRunnable() {
443		public void realRun() throws InterruptedException {
444		threadStarted.countDown();
445		assertEquals(1, p.getPoolSize());
446	<	done.await();
446	>	await(done);
447		}});
448	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
448	>	await(threadStarted);
449		assertEquals(1, p.getPoolSize());
467	–	done.countDown();
450		}
451		}
452
#	Line 473 | Line 455 | public class ScheduledExecutorSubclassTe
455		* submitted
456		*/
457		public void testGetTaskCount() throws InterruptedException {
458	+	final int TASKS = 3;
459	+	final CountDownLatch done = new CountDownLatch(1);
460		final ThreadPoolExecutor p = new CustomExecutor(1);
461	<	try (PoolCleaner cleaner = cleaner(p)) {
461	>	try (PoolCleaner cleaner = cleaner(p, done)) {
462		final CountDownLatch threadStarted = new CountDownLatch(1);
479	–	final CountDownLatch done = new CountDownLatch(1);
480	–	final int TASKS = 5;
463		assertEquals(0, p.getTaskCount());
464	<	for (int i = 0; i < TASKS; i++)
464	>	assertEquals(0, p.getCompletedTaskCount());
465	>	p.execute(new CheckedRunnable() {
466	>	public void realRun() throws InterruptedException {
467	>	threadStarted.countDown();
468	>	await(done);
469	>	}});
470	>	await(threadStarted);
471	>	assertEquals(1, p.getTaskCount());
472	>	assertEquals(0, p.getCompletedTaskCount());
473	>	for (int i = 0; i < TASKS; i++) {
474	>	assertEquals(1 + i, p.getTaskCount());
475		p.execute(new CheckedRunnable() {
476		public void realRun() throws InterruptedException {
477		threadStarted.countDown();
478	<	done.await();
478	>	assertEquals(1 + TASKS, p.getTaskCount());
479	>	await(done);
480		}});
481	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
482	<	assertEquals(TASKS, p.getTaskCount());
483	<	done.countDown();
481	>	}
482	>	assertEquals(1 + TASKS, p.getTaskCount());
483	>	assertEquals(0, p.getCompletedTaskCount());
484		}
485	+	assertEquals(1 + TASKS, p.getTaskCount());
486	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
487		}
488
489		/**
#	Line 543 | Line 538 | public class ScheduledExecutorSubclassTe
538		* isTerminated is false before termination, true after
539		*/
540		public void testIsTerminated() throws InterruptedException {
541	+	final CountDownLatch done = new CountDownLatch(1);
542		final ThreadPoolExecutor p = new CustomExecutor(1);
543		try (PoolCleaner cleaner = cleaner(p)) {
544		final CountDownLatch threadStarted = new CountDownLatch(1);
549	–	final CountDownLatch done = new CountDownLatch(1);
550	–	assertFalse(p.isTerminated());
545		p.execute(new CheckedRunnable() {
546		public void realRun() throws InterruptedException {
547		assertFalse(p.isTerminated());
548		threadStarted.countDown();
549	<	done.await();
549	>	await(done);
550		}});
551	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
551	>	await(threadStarted);
552	>	assertFalse(p.isTerminated());
553		assertFalse(p.isTerminating());
554		done.countDown();
555		try { p.shutdown(); } catch (SecurityException ok) { return; }
#	Line 567 | Line 562 | public class ScheduledExecutorSubclassTe
562		* isTerminating is not true when running or when terminated
563		*/
564		public void testIsTerminating() throws InterruptedException {
565	+	final CountDownLatch done = new CountDownLatch(1);
566		final ThreadPoolExecutor p = new CustomExecutor(1);
567		try (PoolCleaner cleaner = cleaner(p)) {
568		final CountDownLatch threadStarted = new CountDownLatch(1);
573	–	final CountDownLatch done = new CountDownLatch(1);
569		assertFalse(p.isTerminating());
570		p.execute(new CheckedRunnable() {
571		public void realRun() throws InterruptedException {
572		assertFalse(p.isTerminating());
573		threadStarted.countDown();
574	<	done.await();
574	>	await(done);
575		}});
576	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
576	>	await(threadStarted);
577		assertFalse(p.isTerminating());
578		done.countDown();
579		try { p.shutdown(); } catch (SecurityException ok) { return; }
#	Line 592 | Line 587 | public class ScheduledExecutorSubclassTe
587		* getQueue returns the work queue, which contains queued tasks
588		*/
589		public void testGetQueue() throws InterruptedException {
590	+	final CountDownLatch done = new CountDownLatch(1);
591		final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
592	<	try (PoolCleaner cleaner = cleaner(p)) {
592	>	try (PoolCleaner cleaner = cleaner(p, done)) {
593		final CountDownLatch threadStarted = new CountDownLatch(1);
598	–	final CountDownLatch done = new CountDownLatch(1);
594		ScheduledFuture[] tasks = new ScheduledFuture[5];
595		for (int i = 0; i < tasks.length; i++) {
596		Runnable r = new CheckedRunnable() {
597		public void realRun() throws InterruptedException {
598		threadStarted.countDown();
599	<	done.await();
599	>	await(done);
600		}};
601		tasks[i] = p.schedule(r, 1, MILLISECONDS);
602		}
603	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
603	>	await(threadStarted);
604		BlockingQueue<Runnable> q = p.getQueue();
605		assertTrue(q.contains(tasks[tasks.length - 1]));
606		assertFalse(q.contains(tasks[0]));
612	–	done.countDown();
607		}
608		}
609
#	Line 617 | Line 611 | public class ScheduledExecutorSubclassTe
611		* remove(task) removes queued task, and fails to remove active task
612		*/
613		public void testRemove() throws InterruptedException {
614	+	final CountDownLatch done = new CountDownLatch(1);
615		final ScheduledThreadPoolExecutor p = new CustomExecutor(1);
616	<	try (PoolCleaner cleaner = cleaner(p)) {
616	>	try (PoolCleaner cleaner = cleaner(p, done)) {
617		ScheduledFuture[] tasks = new ScheduledFuture[5];
618		final CountDownLatch threadStarted = new CountDownLatch(1);
624	–	final CountDownLatch done = new CountDownLatch(1);
619		for (int i = 0; i < tasks.length; i++) {
620		Runnable r = new CheckedRunnable() {
621		public void realRun() throws InterruptedException {
622		threadStarted.countDown();
623	<	done.await();
623	>	await(done);
624		}};
625		tasks[i] = p.schedule(r, 1, MILLISECONDS);
626		}
627	<	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
627	>	await(threadStarted);
628		BlockingQueue<Runnable> q = p.getQueue();
629		assertFalse(p.remove((Runnable)tasks[0]));
630		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 641 | Line 635 | public class ScheduledExecutorSubclassTe
635		assertTrue(q.contains((Runnable)tasks[3]));
636		assertTrue(p.remove((Runnable)tasks[3]));
637		assertFalse(q.contains((Runnable)tasks[3]));
644	–	done.countDown();
638		}
639		}
640
#	Line 649 | Line 642 | public class ScheduledExecutorSubclassTe
642		* purge removes cancelled tasks from the queue
643		*/
644		public void testPurge() throws InterruptedException {
645	+	final ScheduledFuture[] tasks = new ScheduledFuture[5];
646	+	final Runnable releaser = new Runnable() { public void run() {
647	+	for (ScheduledFuture task : tasks)
648	+	if (task != null) task.cancel(true); }};
649		final CustomExecutor p = new CustomExecutor(1);
650	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
651	<	for (int i = 0; i < tasks.length; i++)
652	<	tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(),
653	<	LONG_DELAY_MS, MILLISECONDS);
657	<	try {
650	>	try (PoolCleaner cleaner = cleaner(p, releaser)) {
651	>	for (int i = 0; i < tasks.length; i++)
652	>	tasks[i] = p.schedule(possiblyInterruptedRunnable(SMALL_DELAY_MS),
653	>	LONG_DELAY_MS, MILLISECONDS);
654		int max = tasks.length;
655		if (tasks[4].cancel(true)) --max;
656		if (tasks[3].cancel(true)) --max;
#	Line 666 | Line 662 | public class ScheduledExecutorSubclassTe
662		long count = p.getTaskCount();
663		if (count == max)
664		return;
665	<	} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS);
665	>	} while (millisElapsedSince(startTime) < LONG_DELAY_MS);
666		fail("Purge failed to remove cancelled tasks");
671	–	} finally {
672	–	for (ScheduledFuture task : tasks)
673	–	task.cancel(true);
674	–	joinPool(p);
667		}
668		}
669
#	Line 684 | Line 676 | public class ScheduledExecutorSubclassTe
676		final int count = 5;
677		final AtomicInteger ran = new AtomicInteger(0);
678		final CustomExecutor p = new CustomExecutor(poolSize);
679	<	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
679	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
680		Runnable waiter = new CheckedRunnable() { public void realRun() {
681		threadsStarted.countDown();
682		try {
683	<	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
683	>	MILLISECONDS.sleep(LONGER_DELAY_MS);
684		} catch (InterruptedException success) {}
685		ran.getAndIncrement();
686		}};
687		for (int i = 0; i < count; i++)
688		p.execute(waiter);
689	<	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
689	>	await(threadsStarted);
690		assertEquals(poolSize, p.getActiveCount());
691		assertEquals(0, p.getCompletedTaskCount());
692		final List<Runnable> queuedTasks;
#	Line 754 | Line 746 | public class ScheduledExecutorSubclassTe
746		* - setExecuteExistingDelayedTasksAfterShutdownPolicy
747		* - setContinueExistingPeriodicTasksAfterShutdownPolicy
748		*/
749	+	@SuppressWarnings("FutureReturnValueIgnored")
750		public void testShutdown_cancellation() throws Exception {
751	<	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
759	<	for (Boolean policy : allBooleans)
760	<	{
761	<	final int poolSize = 2;
751	>	final int poolSize = 4;
752		final CustomExecutor p = new CustomExecutor(poolSize);
753	<	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
754	<	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
755	<	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
756	<	if (policy != null) {
757	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
758	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
759	<	p.setRemoveOnCancelPolicy(policy);
760	<	}
753	>	final BlockingQueue<Runnable> q = p.getQueue();
754	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
755	>	final long delay = rnd.nextInt(2);
756	>	final int rounds = rnd.nextInt(1, 3);
757	>	final boolean effectiveDelayedPolicy;
758	>	final boolean effectivePeriodicPolicy;
759	>	final boolean effectiveRemovePolicy;
760	>
761	>	if (rnd.nextBoolean())
762	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
763	>	effectiveDelayedPolicy = rnd.nextBoolean());
764	>	else
765	>	effectiveDelayedPolicy = true;
766		assertEquals(effectiveDelayedPolicy,
767		p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
768	+
769	+	if (rnd.nextBoolean())
770	+	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
771	+	effectivePeriodicPolicy = rnd.nextBoolean());
772	+	else
773	+	effectivePeriodicPolicy = false;
774		assertEquals(effectivePeriodicPolicy,
775		p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
776	+
777	+	if (rnd.nextBoolean())
778	+	p.setRemoveOnCancelPolicy(
779	+	effectiveRemovePolicy = rnd.nextBoolean());
780	+	else
781	+	effectiveRemovePolicy = false;
782		assertEquals(effectiveRemovePolicy,
783		p.getRemoveOnCancelPolicy());
784	<	// Strategy: Wedge the pool with poolSize "blocker" threads
784	>
785	>	final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean();
786	>
787	>	// Strategy: Wedge the pool with one wave of "blocker" tasks,
788	>	// then add a second wave that waits in the queue until unblocked.
789		final AtomicInteger ran = new AtomicInteger(0);
790		final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
791		final CountDownLatch unblock = new CountDownLatch(1);
792	<	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
782	<	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
783	<	Runnable task = new CheckedRunnable() { public void realRun()
784	<	throws InterruptedException {
785	<	poolBlocked.countDown();
786	<	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
787	<	ran.getAndIncrement();
788	<	}};
789	<	List<Future<?>> blockers = new ArrayList<>();
790	<	List<Future<?>> periodics = new ArrayList<>();
791	<	List<Future<?>> delayeds = new ArrayList<>();
792	<	for (int i = 0; i < poolSize; i++)
793	<	blockers.add(p.submit(task));
794	<	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
795	<
796	<	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
797	<	1, 1, MILLISECONDS));
798	<	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
799	<	1, 1, MILLISECONDS));
800	<	delayeds.add(p.schedule(task, 1, MILLISECONDS));
792	>	final RuntimeException exception = new RuntimeException();
793
794	<	assertTrue(p.getQueue().containsAll(periodics));
795	<	assertTrue(p.getQueue().containsAll(delayeds));
796	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
797	<	assertTrue(p.isShutdown());
798	<	assertFalse(p.isTerminated());
799	<	for (Future<?> periodic : periodics) {
800	<	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
809	<	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
810	<	}
811	<	for (Future<?> delayed : delayeds) {
812	<	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
813	<	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
814	<	}
815	<	if (testImplementationDetails) {
816	<	assertEquals(effectivePeriodicPolicy,
817	<	p.getQueue().containsAll(periodics));
818	<	assertEquals(effectiveDelayedPolicy,
819	<	p.getQueue().containsAll(delayeds));
820	<	}
821	<	// Release all pool threads
822	<	unblock.countDown();
823	<
824	<	for (Future<?> delayed : delayeds) {
825	<	if (effectiveDelayedPolicy) {
826	<	assertNull(delayed.get());
794	>	class Task implements Runnable {
795	>	public void run() {
796	>	try {
797	>	ran.getAndIncrement();
798	>	poolBlocked.countDown();
799	>	await(unblock);
800	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
801		}
802		}
803	<	if (effectivePeriodicPolicy) {
804	<	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
805	<	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
806	<	for (Future<?> periodic : periodics) {
807	<	assertTrue(periodic.cancel(false));
808	<	assertTrue(periodic.isCancelled());
809	<	assertTrue(periodic.isDone());
803	>
804	>	class PeriodicTask extends Task {
805	>	PeriodicTask(int rounds) { this.rounds = rounds; }
806	>	int rounds;
807	>	public void run() {
808	>	if (--rounds == 0) super.run();
809	>	// throw exception to surely terminate this periodic task,
810	>	// but in a separate execution and in a detectable way.
811	>	if (rounds == -1) throw exception;
812		}
813		}
814	+
815	+	Runnable task = new Task();
816	+
817	+	List<Future<?>> immediates = new ArrayList<>();
818	+	List<Future<?>> delayeds   = new ArrayList<>();
819	+	List<Future<?>> periodics  = new ArrayList<>();
820	+
821	+	immediates.add(p.submit(task));
822	+	delayeds.add(p.schedule(task, delay, MILLISECONDS));
823	+	periodics.add(p.scheduleAtFixedRate(
824	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
825	+	periodics.add(p.scheduleWithFixedDelay(
826	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
827	+
828	+	await(poolBlocked);
829	+
830	+	assertEquals(poolSize, ran.get());
831	+	assertEquals(poolSize, p.getActiveCount());
832	+	assertTrue(q.isEmpty());
833	+
834	+	// Add second wave of tasks.
835	+	immediates.add(p.submit(task));
836	+	delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS));
837	+	periodics.add(p.scheduleAtFixedRate(
838	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
839	+	periodics.add(p.scheduleWithFixedDelay(
840	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
841	+
842	+	assertEquals(poolSize, q.size());
843	+	assertEquals(poolSize, ran.get());
844	+
845	+	immediates.forEach(
846	+	f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L));
847	+
848	+	Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream)
849	+	.forEach(f -> assertFalse(f.isDone()));
850	+
851	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
852	+	assertTrue(p.isShutdown());
853	+	assertTrue(p.isTerminating());
854	+	assertFalse(p.isTerminated());
855	+
856	+	if (rnd.nextBoolean())
857	+	assertThrows(
858	+	RejectedExecutionException.class,
859	+	() -> p.submit(task),
860	+	() -> p.schedule(task, 1, SECONDS),
861	+	() -> p.scheduleAtFixedRate(
862	+	new PeriodicTask(1), 1, 1, SECONDS),
863	+	() -> p.scheduleWithFixedDelay(
864	+	new PeriodicTask(2), 1, 1, SECONDS));
865	+
866	+	assertTrue(q.contains(immediates.get(1)));
867	+	assertTrue(!effectiveDelayedPolicy
868	+	^ q.contains(delayeds.get(1)));
869	+	assertTrue(!effectivePeriodicPolicy
870	+	^ q.containsAll(periodics.subList(2, 4)));
871	+
872	+	immediates.forEach(f -> assertFalse(f.isDone()));
873	+
874	+	assertFalse(delayeds.get(0).isDone());
875	+	if (effectiveDelayedPolicy)
876	+	assertFalse(delayeds.get(1).isDone());
877	+	else
878	+	assertTrue(delayeds.get(1).isCancelled());
879	+
880	+	if (effectivePeriodicPolicy)
881	+	periodics.forEach(
882	+	f -> {
883	+	assertFalse(f.isDone());
884	+	if (!periodicTasksContinue) {
885	+	assertTrue(f.cancel(false));
886	+	assertTrue(f.isCancelled());
887	+	}
888	+	});
889	+	else {
890	+	periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone()));
891	+	periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled()));
892	+	}
893	+
894	+	unblock.countDown();    // Release all pool threads
895	+
896		assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
897	+	assertFalse(p.isTerminating());
898		assertTrue(p.isTerminated());
899	<	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
900	<	}}
899	>
900	>	assertTrue(q.isEmpty());
901	>
902	>	Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream)
903	>	.forEach(f -> assertTrue(f.isDone()));
904	>
905	>	for (Future<?> f : immediates) assertNull(f.get());
906	>
907	>	assertNull(delayeds.get(0).get());
908	>	if (effectiveDelayedPolicy)
909	>	assertNull(delayeds.get(1).get());
910	>	else
911	>	assertTrue(delayeds.get(1).isCancelled());
912	>
913	>	if (periodicTasksContinue)
914	>	periodics.forEach(
915	>	f -> {
916	>	try { f.get(); }
917	>	catch (ExecutionException success) {
918	>	assertSame(exception, success.getCause());
919	>	}
920	>	catch (Throwable fail) { threadUnexpectedException(fail); }
921	>	});
922	>	else
923	>	periodics.forEach(f -> assertTrue(f.isCancelled()));
924	>
925	>	assertEquals(poolSize + 1
926	>	+ (effectiveDelayedPolicy ? 1 : 0)
927	>	+ (periodicTasksContinue ? 2 : 0),
928	>	ran.get());
929	>	}
930
931		/**
932		* completed submit of callable returns result
#	Line 890 | Line 978 | public class ScheduledExecutorSubclassTe
978		}
979
980		/**
981	<	* invokeAny(empty collection) throws IAE
981	>	* invokeAny(empty collection) throws IllegalArgumentException
982		*/
983		public void testInvokeAny2() throws Exception {
984		final ExecutorService e = new CustomExecutor(2);
#	Line 909 | Line 997 | public class ScheduledExecutorSubclassTe
997		final CountDownLatch latch = new CountDownLatch(1);
998		final ExecutorService e = new CustomExecutor(2);
999		try (PoolCleaner cleaner = cleaner(e)) {
1000	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1000	>	List<Callable<String>> l = new ArrayList<>();
1001		l.add(latchAwaitingStringTask(latch));
1002		l.add(null);
1003		try {
#	Line 926 | Line 1014 | public class ScheduledExecutorSubclassTe
1014		public void testInvokeAny4() throws Exception {
1015		final ExecutorService e = new CustomExecutor(2);
1016		try (PoolCleaner cleaner = cleaner(e)) {
1017	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1017	>	List<Callable<String>> l = new ArrayList<>();
1018		l.add(new NPETask());
1019		try {
1020		e.invokeAny(l);
#	Line 943 | Line 1031 | public class ScheduledExecutorSubclassTe
1031		public void testInvokeAny5() throws Exception {
1032		final ExecutorService e = new CustomExecutor(2);
1033		try (PoolCleaner cleaner = cleaner(e)) {
1034	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1034	>	List<Callable<String>> l = new ArrayList<>();
1035		l.add(new StringTask());
1036		l.add(new StringTask());
1037		String result = e.invokeAny(l);
#	Line 965 | Line 1053 | public class ScheduledExecutorSubclassTe
1053		}
1054
1055		/**
1056	<	* invokeAll(empty collection) returns empty collection
1056	>	* invokeAll(empty collection) returns empty list
1057		*/
1058		public void testInvokeAll2() throws Exception {
1059		final ExecutorService e = new CustomExecutor(2);
1060	+	final Collection<Callable<String>> emptyCollection
1061	+	= Collections.emptyList();
1062		try (PoolCleaner cleaner = cleaner(e)) {
1063	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1063	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1064		assertTrue(r.isEmpty());
1065		}
1066		}
#	Line 981 | Line 1071 | public class ScheduledExecutorSubclassTe
1071		public void testInvokeAll3() throws Exception {
1072		final ExecutorService e = new CustomExecutor(2);
1073		try (PoolCleaner cleaner = cleaner(e)) {
1074	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1074	>	List<Callable<String>> l = new ArrayList<>();
1075		l.add(new StringTask());
1076		l.add(null);
1077		try {
#	Line 997 | Line 1087 | public class ScheduledExecutorSubclassTe
1087		public void testInvokeAll4() throws Exception {
1088		final ExecutorService e = new CustomExecutor(2);
1089		try (PoolCleaner cleaner = cleaner(e)) {
1090	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1090	>	List<Callable<String>> l = new ArrayList<>();
1091		l.add(new NPETask());
1092		List<Future<String>> futures = e.invokeAll(l);
1093		assertEquals(1, futures.size());
#	Line 1016 | Line 1106 | public class ScheduledExecutorSubclassTe
1106		public void testInvokeAll5() throws Exception {
1107		final ExecutorService e = new CustomExecutor(2);
1108		try (PoolCleaner cleaner = cleaner(e)) {
1109	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1109	>	List<Callable<String>> l = new ArrayList<>();
1110		l.add(new StringTask());
1111		l.add(new StringTask());
1112		List<Future<String>> futures = e.invokeAll(l);
#	Line 1033 | Line 1123 | public class ScheduledExecutorSubclassTe
1123		final ExecutorService e = new CustomExecutor(2);
1124		try (PoolCleaner cleaner = cleaner(e)) {
1125		try {
1126	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1126	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1127		shouldThrow();
1128		} catch (NullPointerException success) {}
1129		}
#	Line 1045 | Line 1135 | public class ScheduledExecutorSubclassTe
1135		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1136		final ExecutorService e = new CustomExecutor(2);
1137		try (PoolCleaner cleaner = cleaner(e)) {
1138	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1138	>	List<Callable<String>> l = new ArrayList<>();
1139		l.add(new StringTask());
1140		try {
1141	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1141	>	e.invokeAny(l, randomTimeout(), null);
1142		shouldThrow();
1143		} catch (NullPointerException success) {}
1144		}
1145		}
1146
1147		/**
1148	<	* timed invokeAny(empty collection) throws IAE
1148	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1149		*/
1150		public void testTimedInvokeAny2() throws Exception {
1151		final ExecutorService e = new CustomExecutor(2);
1152	+	final Collection<Callable<String>> emptyCollection
1153	+	= Collections.emptyList();
1154		try (PoolCleaner cleaner = cleaner(e)) {
1155		try {
1156	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1156	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
1157		shouldThrow();
1158		} catch (IllegalArgumentException success) {}
1159		}
#	Line 1074 | Line 1166 | public class ScheduledExecutorSubclassTe
1166		CountDownLatch latch = new CountDownLatch(1);
1167		final ExecutorService e = new CustomExecutor(2);
1168		try (PoolCleaner cleaner = cleaner(e)) {
1169	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1169	>	List<Callable<String>> l = new ArrayList<>();
1170		l.add(latchAwaitingStringTask(latch));
1171		l.add(null);
1172		try {
1173	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1173	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1174		shouldThrow();
1175		} catch (NullPointerException success) {}
1176		latch.countDown();
#	Line 1091 | Line 1183 | public class ScheduledExecutorSubclassTe
1183		public void testTimedInvokeAny4() throws Exception {
1184		final ExecutorService e = new CustomExecutor(2);
1185		try (PoolCleaner cleaner = cleaner(e)) {
1186	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1186	>	long startTime = System.nanoTime();
1187	>	List<Callable<String>> l = new ArrayList<>();
1188		l.add(new NPETask());
1189		try {
1190	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1190	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1191		shouldThrow();
1192		} catch (ExecutionException success) {
1193		assertTrue(success.getCause() instanceof NullPointerException);
1194		}
1195	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1196		}
1197		}
1198
#	Line 1108 | Line 1202 | public class ScheduledExecutorSubclassTe
1202		public void testTimedInvokeAny5() throws Exception {
1203		final ExecutorService e = new CustomExecutor(2);
1204		try (PoolCleaner cleaner = cleaner(e)) {
1205	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1205	>	long startTime = System.nanoTime();
1206	>	List<Callable<String>> l = new ArrayList<>();
1207		l.add(new StringTask());
1208		l.add(new StringTask());
1209	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1209	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1210		assertSame(TEST_STRING, result);
1211	+	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1212		}
1213		}
1214
1215		/**
1216	<	* timed invokeAll(null) throws NPE
1216	>	* timed invokeAll(null) throws NullPointerException
1217		*/
1218		public void testTimedInvokeAll1() throws Exception {
1219		final ExecutorService e = new CustomExecutor(2);
1220		try (PoolCleaner cleaner = cleaner(e)) {
1221		try {
1222	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1222	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1223		shouldThrow();
1224		} catch (NullPointerException success) {}
1225		}
1226		}
1227
1228		/**
1229	<	* timed invokeAll(,,null) throws NPE
1229	>	* timed invokeAll(,,null) throws NullPointerException
1230		*/
1231		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1232		final ExecutorService e = new CustomExecutor(2);
1233		try (PoolCleaner cleaner = cleaner(e)) {
1234	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1234	>	List<Callable<String>> l = new ArrayList<>();
1235		l.add(new StringTask());
1236		try {
1237	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1237	>	e.invokeAll(l, randomTimeout(), null);
1238		shouldThrow();
1239		} catch (NullPointerException success) {}
1240		}
1241		}
1242
1243		/**
1244	<	* timed invokeAll(empty collection) returns empty collection
1244	>	* timed invokeAll(empty collection) returns empty list
1245		*/
1246		public void testTimedInvokeAll2() throws Exception {
1247		final ExecutorService e = new CustomExecutor(2);
1248	+	final Collection<Callable<String>> emptyCollection
1249	+	= Collections.emptyList();
1250		try (PoolCleaner cleaner = cleaner(e)) {
1251	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1251	>	List<Future<String>> r =
1252	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1253		assertTrue(r.isEmpty());
1254		}
1255		}
#	Line 1161 | Line 1260 | public class ScheduledExecutorSubclassTe
1260		public void testTimedInvokeAll3() throws Exception {
1261		final ExecutorService e = new CustomExecutor(2);
1262		try (PoolCleaner cleaner = cleaner(e)) {
1263	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1263	>	List<Callable<String>> l = new ArrayList<>();
1264		l.add(new StringTask());
1265		l.add(null);
1266		try {
1267	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1267	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1268		shouldThrow();
1269		} catch (NullPointerException success) {}
1270		}
#	Line 1176 | Line 1275 | public class ScheduledExecutorSubclassTe
1275		*/
1276		public void testTimedInvokeAll4() throws Exception {
1277		final ExecutorService e = new CustomExecutor(2);
1278	+	final Collection<Callable<String>> c = new ArrayList<>();
1279	+	c.add(new NPETask());
1280		try (PoolCleaner cleaner = cleaner(e)) {
1180	–	List<Callable<String>> l = new ArrayList<Callable<String>>();
1181	–	l.add(new NPETask());
1281		List<Future<String>> futures =
1282	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1282	>	e.invokeAll(c, LONG_DELAY_MS, MILLISECONDS);
1283		assertEquals(1, futures.size());
1284		try {
1285		futures.get(0).get();
#	Line 1197 | Line 1296 | public class ScheduledExecutorSubclassTe
1296		public void testTimedInvokeAll5() throws Exception {
1297		final ExecutorService e = new CustomExecutor(2);
1298		try (PoolCleaner cleaner = cleaner(e)) {
1299	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1299	>	List<Callable<String>> l = new ArrayList<>();
1300		l.add(new StringTask());
1301		l.add(new StringTask());
1302		List<Future<String>> futures =
#	Line 1212 | Line 1311 | public class ScheduledExecutorSubclassTe
1311		* timed invokeAll(c) cancels tasks not completed by timeout
1312		*/
1313		public void testTimedInvokeAll6() throws Exception {
1314	<	final ExecutorService e = new CustomExecutor(2);
1315	<	try (PoolCleaner cleaner = cleaner(e)) {
1316	<	for (long timeout = timeoutMillis();;) {
1314	>	for (long timeout = timeoutMillis();;) {
1315	>	final CountDownLatch done = new CountDownLatch(1);
1316	>	final Callable<String> waiter = new CheckedCallable<String>() {
1317	>	public String realCall() {
1318	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1319	>	catch (InterruptedException ok) {}
1320	>	return "1"; }};
1321	>	final ExecutorService p = new CustomExecutor(2);
1322	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1323		List<Callable<String>> tasks = new ArrayList<>();
1324		tasks.add(new StringTask("0"));
1325	<	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1325	>	tasks.add(waiter);
1326		tasks.add(new StringTask("2"));
1327		long startTime = System.nanoTime();
1328		List<Future<String>> futures =
1329	<	e.invokeAll(tasks, timeout, MILLISECONDS);
1329	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1330		assertEquals(tasks.size(), futures.size());
1331		assertTrue(millisElapsedSince(startTime) >= timeout);
1332		for (Future future : futures)

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