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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.83 by jsr166, Wed Jan 4 06:09:58 2017 UTC vs.
Revision 1.96 by jsr166, Mon Jan 8 02:04:15 2018 UTC

#	Line 11 | Line 11 | import static java.util.concurrent.TimeU
11		import static java.util.concurrent.TimeUnit.SECONDS;
12
13		import java.util.ArrayList;
14	+	import java.util.Collection;
15	+	import java.util.Collections;
16		import java.util.HashSet;
17		import java.util.List;
18		import java.util.concurrent.BlockingQueue;
#	Line 24 | Line 26 | import java.util.concurrent.RejectedExec
26		import java.util.concurrent.ScheduledFuture;
27		import java.util.concurrent.ScheduledThreadPoolExecutor;
28		import java.util.concurrent.ThreadFactory;
29	+	import java.util.concurrent.ThreadLocalRandom;
30		import java.util.concurrent.ThreadPoolExecutor;
31		import java.util.concurrent.atomic.AtomicBoolean;
32		import java.util.concurrent.atomic.AtomicInteger;
33		import java.util.concurrent.atomic.AtomicLong;
34	+	import java.util.stream.Stream;
35
36		import junit.framework.Test;
37		import junit.framework.TestSuite;
#	Line 50 | Line 54 | public class ScheduledExecutorTest exten
54		final Runnable task = new CheckedRunnable() {
55		public void realRun() { done.countDown(); }};
56		p.execute(task);
57	<	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
57	>	await(done);
58		}
59		}
60
#	Line 71 | Line 75 | public class ScheduledExecutorTest exten
75		Future f = p.schedule(task, timeoutMillis(), MILLISECONDS);
76		assertSame(Boolean.TRUE, f.get());
77		assertTrue(millisElapsedSince(startTime) >= timeoutMillis());
78	<	assertTrue(done.await(0L, MILLISECONDS));
78	>	assertEquals(0L, done.getCount());
79		}
80		}
81
#	Line 220 | Line 224 | public class ScheduledExecutorTest exten
224		}
225
226		/**
227	<	* execute(null) throws NPE
227	>	* Submitting null tasks throws NullPointerException
228		*/
229	<	public void testExecuteNull() throws InterruptedException {
229	>	public void testNullTaskSubmission() {
230		final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
231		try (PoolCleaner cleaner = cleaner(p)) {
232	<	try {
229	<	p.execute(null);
230	<	shouldThrow();
231	<	} catch (NullPointerException success) {}
232	>	assertNullTaskSubmissionThrowsNullPointerException(p);
233		}
234		}
235
236		/**
237	<	* schedule(null) throws NPE
237	>	* Submitted tasks are rejected when shutdown
238		*/
239	<	public void testScheduleNull() throws InterruptedException {
239	>	public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException {
240		final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
241	<	try (PoolCleaner cleaner = cleaner(p)) {
242	<	try {
243	<	TrackedCallable callable = null;
244	<	Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS);
245	<	shouldThrow();
246	<	} catch (NullPointerException success) {}
247	<	}
248	<	}
241	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
242	>	final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize());
243	>	final CountDownLatch done = new CountDownLatch(1);
244	>	final Runnable r = () -> {
245	>	threadsStarted.countDown();
246	>	for (;;) {
247	>	try {
248	>	done.await();
249	>	return;
250	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
251	>	}};
252	>	final Callable<Boolean> c = () -> {
253	>	threadsStarted.countDown();
254	>	for (;;) {
255	>	try {
256	>	done.await();
257	>	return Boolean.TRUE;
258	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
259	>	}};
260
261	<	/**
262	<	* execute throws RejectedExecutionException if shutdown
263	<	*/
264	<	public void testSchedule1_RejectedExecutionException() throws InterruptedException {
265	<	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
266	<	try (PoolCleaner cleaner = cleaner(p)) {
267	<	try {
268	<	p.shutdown();
269	<	p.schedule(new NoOpRunnable(),
258	<	MEDIUM_DELAY_MS, MILLISECONDS);
259	<	shouldThrow();
260	<	} catch (RejectedExecutionException success) {
261	<	} catch (SecurityException ok) {}
262	<	}
263	<	}
261	>	try (PoolCleaner cleaner = cleaner(p, done)) {
262	>	for (int i = p.getCorePoolSize(); i--> 0; ) {
263	>	switch (rnd.nextInt(4)) {
264	>	case 0: p.execute(r); break;
265	>	case 1: assertFalse(p.submit(r).isDone()); break;
266	>	case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break;
267	>	case 3: assertFalse(p.submit(c).isDone()); break;
268	>	}
269	>	}
270
271	<	/**
272	<	* schedule throws RejectedExecutionException if shutdown
267	<	*/
268	<	public void testSchedule2_RejectedExecutionException() throws InterruptedException {
269	<	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
270	<	try (PoolCleaner cleaner = cleaner(p)) {
271	<	try {
272	<	p.shutdown();
273	<	p.schedule(new NoOpCallable(),
274	<	MEDIUM_DELAY_MS, MILLISECONDS);
275	<	shouldThrow();
276	<	} catch (RejectedExecutionException success) {
277	<	} catch (SecurityException ok) {}
278	<	}
279	<	}
271	>	// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated.
272	>	await(threadsStarted);
273
274	<	/**
275	<	* schedule callable throws RejectedExecutionException if shutdown
276	<	*/
284	<	public void testSchedule3_RejectedExecutionException() throws InterruptedException {
285	<	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
286	<	try (PoolCleaner cleaner = cleaner(p)) {
287	<	try {
274	>	if (rnd.nextBoolean())
275	>	p.shutdownNow();
276	>	else
277		p.shutdown();
278	<	p.schedule(new NoOpCallable(),
279	<	MEDIUM_DELAY_MS, MILLISECONDS);
280	<	shouldThrow();
292	<	} catch (RejectedExecutionException success) {
293	<	} catch (SecurityException ok) {}
294	<	}
295	<	}
278	>	// Pool is shutdown, but not yet terminated
279	>	assertTaskSubmissionsAreRejected(p);
280	>	assertFalse(p.isTerminated());
281
282	<	/**
283	<	* scheduleAtFixedRate throws RejectedExecutionException if shutdown
299	<	*/
300	<	public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException {
301	<	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
302	<	try (PoolCleaner cleaner = cleaner(p)) {
303	<	try {
304	<	p.shutdown();
305	<	p.scheduleAtFixedRate(new NoOpRunnable(),
306	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
307	<	shouldThrow();
308	<	} catch (RejectedExecutionException success) {
309	<	} catch (SecurityException ok) {}
310	<	}
311	<	}
282	>	done.countDown();   // release blocking tasks
283	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
284
285	<	/**
314	<	* scheduleWithFixedDelay throws RejectedExecutionException if shutdown
315	<	*/
316	<	public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException {
317	<	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
318	<	try (PoolCleaner cleaner = cleaner(p)) {
319	<	try {
320	<	p.shutdown();
321	<	p.scheduleWithFixedDelay(new NoOpRunnable(),
322	<	MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS);
323	<	shouldThrow();
324	<	} catch (RejectedExecutionException success) {
325	<	} catch (SecurityException ok) {}
285	>	assertTaskSubmissionsAreRejected(p);
286		}
287	+	assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount());
288		}
289
290		/**
#	Line 362 | Line 323 | public class ScheduledExecutorTest exten
323		public void realRun() throws InterruptedException {
324		threadStarted.countDown();
325		assertEquals(0, p.getCompletedTaskCount());
326	<	threadProceed.await();
326	>	await(threadProceed);
327		threadDone.countDown();
328		}});
329		await(threadStarted);
330		assertEquals(0, p.getCompletedTaskCount());
331		threadProceed.countDown();
332	<	threadDone.await();
332	>	await(threadDone);
333		long startTime = System.nanoTime();
334		while (p.getCompletedTaskCount() != 1) {
335		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
#	Line 507 | Line 468 | public class ScheduledExecutorTest exten
468		}
469
470		/**
471	+	* The default rejected execution handler is AbortPolicy.
472	+	*/
473	+	public void testDefaultRejectedExecutionHandler() {
474	+	final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
475	+	try (PoolCleaner cleaner = cleaner(p)) {
476	+	assertTrue(p.getRejectedExecutionHandler()
477	+	instanceof ThreadPoolExecutor.AbortPolicy);
478	+	}
479	+	}
480	+
481	+	/**
482		* isShutdown is false before shutdown, true after
483		*/
484		public void testIsShutdown() {
#	Line 732 | Line 704 | public class ScheduledExecutorTest exten
704		* - setExecuteExistingDelayedTasksAfterShutdownPolicy
705		* - setContinueExistingPeriodicTasksAfterShutdownPolicy
706		*/
707	+	@SuppressWarnings("FutureReturnValueIgnored")
708		public void testShutdown_cancellation() throws Exception {
709	<	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
737	<	for (Boolean policy : allBooleans)
738	<	{
739	<	final int poolSize = 2;
709	>	final int poolSize = 4;
710		final ScheduledThreadPoolExecutor p
711		= new ScheduledThreadPoolExecutor(poolSize);
712	<	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
713	<	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
714	<	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
715	<	if (policy != null) {
716	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
717	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
718	<	p.setRemoveOnCancelPolicy(policy);
719	<	}
712	>	final BlockingQueue<Runnable> q = p.getQueue();
713	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
714	>	final long delay = rnd.nextInt(2);
715	>	final int rounds = rnd.nextInt(1, 3);
716	>	final boolean effectiveDelayedPolicy;
717	>	final boolean effectivePeriodicPolicy;
718	>	final boolean effectiveRemovePolicy;
719	>
720	>	if (rnd.nextBoolean())
721	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(
722	>	effectiveDelayedPolicy = rnd.nextBoolean());
723	>	else
724	>	effectiveDelayedPolicy = true;
725		assertEquals(effectiveDelayedPolicy,
726		p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
727	+
728	+	if (rnd.nextBoolean())
729	+	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(
730	+	effectivePeriodicPolicy = rnd.nextBoolean());
731	+	else
732	+	effectivePeriodicPolicy = false;
733		assertEquals(effectivePeriodicPolicy,
734		p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
735	+
736	+	if (rnd.nextBoolean())
737	+	p.setRemoveOnCancelPolicy(
738	+	effectiveRemovePolicy = rnd.nextBoolean());
739	+	else
740	+	effectiveRemovePolicy = false;
741		assertEquals(effectiveRemovePolicy,
742		p.getRemoveOnCancelPolicy());
743	<	// Strategy: Wedge the pool with poolSize "blocker" threads
743	>
744	>	final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean();
745	>
746	>	// Strategy: Wedge the pool with one wave of "blocker" tasks,
747	>	// then add a second wave that waits in the queue until unblocked.
748		final AtomicInteger ran = new AtomicInteger(0);
749		final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
750		final CountDownLatch unblock = new CountDownLatch(1);
751	<	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
761	<	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
762	<	Runnable task = new CheckedRunnable() { public void realRun()
763	<	throws InterruptedException {
764	<	poolBlocked.countDown();
765	<	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
766	<	ran.getAndIncrement();
767	<	}};
768	<	List<Future<?>> blockers = new ArrayList<>();
769	<	List<Future<?>> periodics = new ArrayList<>();
770	<	List<Future<?>> delayeds = new ArrayList<>();
771	<	for (int i = 0; i < poolSize; i++)
772	<	blockers.add(p.submit(task));
773	<	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
774	<
775	<	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
776	<	1, 1, MILLISECONDS));
777	<	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
778	<	1, 1, MILLISECONDS));
779	<	delayeds.add(p.schedule(task, 1, MILLISECONDS));
751	>	final RuntimeException exception = new RuntimeException();
752
753	<	assertTrue(p.getQueue().containsAll(periodics));
754	<	assertTrue(p.getQueue().containsAll(delayeds));
755	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
756	<	assertTrue(p.isShutdown());
757	<	assertFalse(p.isTerminated());
758	<	for (Future<?> periodic : periodics) {
759	<	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
788	<	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
789	<	}
790	<	for (Future<?> delayed : delayeds) {
791	<	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
792	<	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
793	<	}
794	<	if (testImplementationDetails) {
795	<	assertEquals(effectivePeriodicPolicy,
796	<	p.getQueue().containsAll(periodics));
797	<	assertEquals(effectiveDelayedPolicy,
798	<	p.getQueue().containsAll(delayeds));
799	<	}
800	<	// Release all pool threads
801	<	unblock.countDown();
802	<
803	<	for (Future<?> delayed : delayeds) {
804	<	if (effectiveDelayedPolicy) {
805	<	assertNull(delayed.get());
753	>	class Task implements Runnable {
754	>	public void run() {
755	>	try {
756	>	ran.getAndIncrement();
757	>	poolBlocked.countDown();
758	>	await(unblock);
759	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
760		}
761		}
762	<	if (effectivePeriodicPolicy) {
763	<	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
764	<	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
765	<	for (Future<?> periodic : periodics) {
766	<	assertTrue(periodic.cancel(false));
767	<	assertTrue(periodic.isCancelled());
768	<	assertTrue(periodic.isDone());
762	>
763	>	class PeriodicTask extends Task {
764	>	PeriodicTask(int rounds) { this.rounds = rounds; }
765	>	int rounds;
766	>	public void run() {
767	>	if (--rounds == 0) super.run();
768	>	// throw exception to surely terminate this periodic task,
769	>	// but in a separate execution and in a detectable way.
770	>	if (rounds == -1) throw exception;
771		}
772		}
773	+
774	+	Runnable task = new Task();
775	+
776	+	List<Future<?>> immediates = new ArrayList<>();
777	+	List<Future<?>> delayeds   = new ArrayList<>();
778	+	List<Future<?>> periodics  = new ArrayList<>();
779	+
780	+	immediates.add(p.submit(task));
781	+	delayeds.add(p.schedule(task, delay, MILLISECONDS));
782	+	periodics.add(p.scheduleAtFixedRate(
783	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
784	+	periodics.add(p.scheduleWithFixedDelay(
785	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
786	+
787	+	await(poolBlocked);
788	+
789	+	assertEquals(poolSize, ran.get());
790	+	assertEquals(poolSize, p.getActiveCount());
791	+	assertTrue(q.isEmpty());
792	+
793	+	// Add second wave of tasks.
794	+	immediates.add(p.submit(task));
795	+	delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS));
796	+	periodics.add(p.scheduleAtFixedRate(
797	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
798	+	periodics.add(p.scheduleWithFixedDelay(
799	+	new PeriodicTask(rounds), delay, 1, MILLISECONDS));
800	+
801	+	assertEquals(poolSize, q.size());
802	+	assertEquals(poolSize, ran.get());
803	+
804	+	immediates.forEach(
805	+	f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L));
806	+
807	+	Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream)
808	+	.forEach(f -> assertFalse(f.isDone()));
809	+
810	+	try { p.shutdown(); } catch (SecurityException ok) { return; }
811	+	assertTrue(p.isShutdown());
812	+	assertTrue(p.isTerminating());
813	+	assertFalse(p.isTerminated());
814	+
815	+	if (rnd.nextBoolean())
816	+	assertThrows(
817	+	RejectedExecutionException.class,
818	+	() -> p.submit(task),
819	+	() -> p.schedule(task, 1, SECONDS),
820	+	() -> p.scheduleAtFixedRate(
821	+	new PeriodicTask(1), 1, 1, SECONDS),
822	+	() -> p.scheduleWithFixedDelay(
823	+	new PeriodicTask(2), 1, 1, SECONDS));
824	+
825	+	assertTrue(q.contains(immediates.get(1)));
826	+	assertTrue(!effectiveDelayedPolicy
827	+	^ q.contains(delayeds.get(1)));
828	+	assertTrue(!effectivePeriodicPolicy
829	+	^ q.containsAll(periodics.subList(2, 4)));
830	+
831	+	immediates.forEach(f -> assertFalse(f.isDone()));
832	+
833	+	assertFalse(delayeds.get(0).isDone());
834	+	if (effectiveDelayedPolicy)
835	+	assertFalse(delayeds.get(1).isDone());
836	+	else
837	+	assertTrue(delayeds.get(1).isCancelled());
838	+
839	+	if (effectivePeriodicPolicy)
840	+	periodics.forEach(
841	+	f -> {
842	+	assertFalse(f.isDone());
843	+	if (!periodicTasksContinue) {
844	+	assertTrue(f.cancel(false));
845	+	assertTrue(f.isCancelled());
846	+	}
847	+	});
848	+	else {
849	+	periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone()));
850	+	periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled()));
851	+	}
852	+
853	+	unblock.countDown();    // Release all pool threads
854	+
855		assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
856	+	assertFalse(p.isTerminating());
857		assertTrue(p.isTerminated());
858	<	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
859	<	}}
858	>
859	>	assertTrue(q.isEmpty());
860	>
861	>	Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream)
862	>	.forEach(f -> assertTrue(f.isDone()));
863	>
864	>	for (Future<?> f : immediates) assertNull(f.get());
865	>
866	>	assertNull(delayeds.get(0).get());
867	>	if (effectiveDelayedPolicy)
868	>	assertNull(delayeds.get(1).get());
869	>	else
870	>	assertTrue(delayeds.get(1).isCancelled());
871	>
872	>	if (periodicTasksContinue)
873	>	periodics.forEach(
874	>	f -> {
875	>	try { f.get(); }
876	>	catch (ExecutionException success) {
877	>	assertSame(exception, success.getCause());
878	>	}
879	>	catch (Throwable fail) { threadUnexpectedException(fail); }
880	>	});
881	>	else
882	>	periodics.forEach(f -> assertTrue(f.isCancelled()));
883	>
884	>	assertEquals(poolSize + 1
885	>	+ (effectiveDelayedPolicy ? 1 : 0)
886	>	+ (periodicTasksContinue ? 2 : 0),
887	>	ran.get());
888	>	}
889
890		/**
891		* completed submit of callable returns result
#	Line 856 | Line 924 | public class ScheduledExecutorTest exten
924		}
925
926		/**
927	<	* invokeAny(null) throws NPE
927	>	* invokeAny(null) throws NullPointerException
928		*/
929		public void testInvokeAny1() throws Exception {
930		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
#	Line 869 | Line 937 | public class ScheduledExecutorTest exten
937		}
938
939		/**
940	<	* invokeAny(empty collection) throws IAE
940	>	* invokeAny(empty collection) throws IllegalArgumentException
941		*/
942		public void testInvokeAny2() throws Exception {
943		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
#	Line 882 | Line 950 | public class ScheduledExecutorTest exten
950		}
951
952		/**
953	<	* invokeAny(c) throws NPE if c has null elements
953	>	* invokeAny(c) throws NullPointerException if c has null elements
954		*/
955		public void testInvokeAny3() throws Exception {
956		CountDownLatch latch = new CountDownLatch(1);
#	Line 944 | Line 1012 | public class ScheduledExecutorTest exten
1012		}
1013
1014		/**
1015	<	* invokeAll(empty collection) returns empty collection
1015	>	* invokeAll(empty collection) returns empty list
1016		*/
1017		public void testInvokeAll2() throws Exception {
1018		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1019	+	final Collection<Callable<String>> emptyCollection
1020	+	= Collections.emptyList();
1021		try (PoolCleaner cleaner = cleaner(e)) {
1022	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1022	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1023		assertTrue(r.isEmpty());
1024		}
1025		}
#	Line 1012 | Line 1082 | public class ScheduledExecutorTest exten
1082		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1083		try (PoolCleaner cleaner = cleaner(e)) {
1084		try {
1085	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1085	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1086		shouldThrow();
1087		} catch (NullPointerException success) {}
1088		}
1089		}
1090
1091		/**
1092	<	* timed invokeAny(,,null) throws NPE
1092	>	* timed invokeAny(,,null) throws NullPointerException
1093		*/
1094		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1095		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
#	Line 1027 | Line 1097 | public class ScheduledExecutorTest exten
1097		List<Callable<String>> l = new ArrayList<>();
1098		l.add(new StringTask());
1099		try {
1100	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1100	>	e.invokeAny(l, randomTimeout(), null);
1101		shouldThrow();
1102		} catch (NullPointerException success) {}
1103		}
1104		}
1105
1106		/**
1107	<	* timed invokeAny(empty collection) throws IAE
1107	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1108		*/
1109		public void testTimedInvokeAny2() throws Exception {
1110		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1111	+	final Collection<Callable<String>> emptyCollection
1112	+	= Collections.emptyList();
1113		try (PoolCleaner cleaner = cleaner(e)) {
1114		try {
1115	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1115	>	e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit());
1116		shouldThrow();
1117		} catch (IllegalArgumentException success) {}
1118		}
#	Line 1057 | Line 1129 | public class ScheduledExecutorTest exten
1129		l.add(latchAwaitingStringTask(latch));
1130		l.add(null);
1131		try {
1132	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1132	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1133		shouldThrow();
1134		} catch (NullPointerException success) {}
1135		latch.countDown();
#	Line 1106 | Line 1178 | public class ScheduledExecutorTest exten
1178		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1179		try (PoolCleaner cleaner = cleaner(e)) {
1180		try {
1181	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1181	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1182		shouldThrow();
1183		} catch (NullPointerException success) {}
1184		}
#	Line 1121 | Line 1193 | public class ScheduledExecutorTest exten
1193		List<Callable<String>> l = new ArrayList<>();
1194		l.add(new StringTask());
1195		try {
1196	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1196	>	e.invokeAll(l, randomTimeout(), null);
1197		shouldThrow();
1198		} catch (NullPointerException success) {}
1199		}
1200		}
1201
1202		/**
1203	<	* timed invokeAll(empty collection) returns empty collection
1203	>	* timed invokeAll(empty collection) returns empty list
1204		*/
1205		public void testTimedInvokeAll2() throws Exception {
1206		final ExecutorService e = new ScheduledThreadPoolExecutor(2);
1207	+	final Collection<Callable<String>> emptyCollection
1208	+	= Collections.emptyList();
1209		try (PoolCleaner cleaner = cleaner(e)) {
1210	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1211	<	MEDIUM_DELAY_MS, MILLISECONDS);
1210	>	List<Future<String>> r =
1211	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1212		assertTrue(r.isEmpty());
1213		}
1214		}
#	Line 1149 | Line 1223 | public class ScheduledExecutorTest exten
1223		l.add(new StringTask());
1224		l.add(null);
1225		try {
1226	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1226	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1227		shouldThrow();
1228		} catch (NullPointerException success) {}
1229		}
#	Line 1235 | Line 1309 | public class ScheduledExecutorTest exten
1309		* one-shot task from executing.
1310		* https://bugs.openjdk.java.net/browse/JDK-8051859
1311		*/
1312	+	@SuppressWarnings("FutureReturnValueIgnored")
1313		public void testScheduleWithFixedDelay_overflow() throws Exception {
1314		final CountDownLatch delayedDone = new CountDownLatch(1);
1315		final CountDownLatch immediateDone = new CountDownLatch(1);
1316		final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
1317		try (PoolCleaner cleaner = cleaner(p)) {
1318	<	final Runnable immediate = new Runnable() { public void run() {
1244	<	immediateDone.countDown();
1245	<	}};
1246	<	final Runnable delayed = new Runnable() { public void run() {
1318	>	final Runnable delayed = () -> {
1319		delayedDone.countDown();
1320	<	p.submit(immediate);
1321	<	}};
1320	>	p.submit(() -> immediateDone.countDown());
1321	>	};
1322		p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS);
1323		await(delayedDone);
1324		await(immediateDone);

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