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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.54 by jsr166, Sun Sep 27 20:17:39 2015 UTC vs.
Revision 1.58 by jsr166, Mon Sep 28 08:23:49 2015 UTC

#	Line 656 | Line 656 | public class ScheduledExecutorTest exten
656		* shutdownNow returns a list containing tasks that were not run,
657		* and those tasks are drained from the queue
658		*/
659	+	public void testShutdownNow() throws InterruptedException {
660	+	final int poolSize = 2;
661	+	final int count = 5;
662	+	final AtomicInteger ran = new AtomicInteger(0);
663	+	final ScheduledThreadPoolExecutor p =
664	+	new ScheduledThreadPoolExecutor(poolSize);
665	+	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666	+	Runnable waiter = new CheckedRunnable() { public void realRun() {
667	+	threadsStarted.countDown();
668	+	try {
669	+	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
670	+	} catch (InterruptedException success) {}
671	+	ran.getAndIncrement();
672	+	}};
673	+	for (int i = 0; i < count; i++)
674	+	p.execute(waiter);
675	+	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
676	+	assertEquals(poolSize, p.getActiveCount());
677	+	assertEquals(0, p.getCompletedTaskCount());
678	+	final List<Runnable> queuedTasks;
679	+	try {
680	+	queuedTasks = p.shutdownNow();
681	+	} catch (SecurityException ok) {
682	+	return; // Allowed in case test doesn't have privs
683	+	}
684	+	assertTrue(p.isShutdown());
685	+	assertTrue(p.getQueue().isEmpty());
686	+	assertEquals(count - poolSize, queuedTasks.size());
687	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
688	+	assertTrue(p.isTerminated());
689	+	assertEquals(poolSize, ran.get());
690	+	assertEquals(poolSize, p.getCompletedTaskCount());
691	+	}
692	+
693	+	/**
694	+	* shutdownNow returns a list containing tasks that were not run,
695	+	* and those tasks are drained from the queue
696	+	*/
697		public void testShutdownNow_delayedTasks() throws InterruptedException {
698		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699		List<ScheduledFuture> tasks = new ArrayList<>();
#	Line 665 | Line 703 | public class ScheduledExecutorTest exten
703		tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
704		tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
705		}
706	<	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
706	>	if (testImplementationDetails)
707	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
708		final List<Runnable> queuedTasks;
709		try {
710		queuedTasks = p.shutdownNow();
#	Line 674 | Line 713 | public class ScheduledExecutorTest exten
713		}
714		assertTrue(p.isShutdown());
715		assertTrue(p.getQueue().isEmpty());
716	<	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
716	>	if (testImplementationDetails)
717	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
718		assertEquals(tasks.size(), queuedTasks.size());
719		for (ScheduledFuture task : tasks) {
720		assertFalse(task.isDone());
#	Line 685 | Line 725 | public class ScheduledExecutorTest exten
725		}
726
727		/**
728	<	* In default setting, shutdown cancels periodic but not delayed
729	<	* tasks at shutdown
728	>	* By default, periodic tasks are cancelled at shutdown.
729	>	* By default, delayed tasks keep running after shutdown.
730	>	* Check that changing the default values work:
731	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
732	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
733		*/
734	<	public void testShutdown1() throws InterruptedException {
735	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
736	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
737	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
734	>	public void testShutdown_cancellation() throws Exception {
735	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
736	>	for (Boolean policy : allBooleans)
737	>	{
738	>	final int poolSize = 2;
739	>	final ScheduledThreadPoolExecutor p
740	>	= new ScheduledThreadPoolExecutor(poolSize);
741	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
742	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
743	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
744	>	if (policy != null) {
745	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
746	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
747	>	p.setRemoveOnCancelPolicy(policy);
748	>	}
749	>	assertEquals(effectiveDelayedPolicy,
750	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
751	>	assertEquals(effectivePeriodicPolicy,
752	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
753	>	assertEquals(effectiveRemovePolicy,
754	>	p.getRemoveOnCancelPolicy());
755	>	// Strategy: Wedge the pool with poolSize "blocker" threads
756	>	final AtomicInteger ran = new AtomicInteger(0);
757	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
758	>	final CountDownLatch unblock = new CountDownLatch(1);
759	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
760	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
761	>	Runnable task = new CheckedRunnable() { public void realRun()
762	>	throws InterruptedException {
763	>	poolBlocked.countDown();
764	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
765	>	ran.getAndIncrement();
766	>	}};
767	>	List<Future<?>> blockers = new ArrayList<>();
768	>	List<Future<?>> periodics = new ArrayList<>();
769	>	List<Future<?>> delayeds = new ArrayList<>();
770	>	for (int i = 0; i < poolSize; i++)
771	>	blockers.add(p.submit(task));
772	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
773	>
774	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
775	>	1, 1, MILLISECONDS));
776	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
777	>	1, 1, MILLISECONDS));
778	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
779
780	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
781	<	for (int i = 0; i < tasks.length; i++)
698	<	tasks[i] = p.schedule(new NoOpRunnable(),
699	<	SHORT_DELAY_MS, MILLISECONDS);
780	>	assertTrue(p.getQueue().containsAll(periodics));
781	>	assertTrue(p.getQueue().containsAll(delayeds));
782		try { p.shutdown(); } catch (SecurityException ok) { return; }
701	–	BlockingQueue<Runnable> q = p.getQueue();
702	–	for (ScheduledFuture task : tasks) {
703	–	assertFalse(task.isDone());
704	–	assertFalse(task.isCancelled());
705	–	assertTrue(q.contains(task));
706	–	}
783		assertTrue(p.isShutdown());
784	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
785	<	assertTrue(p.isTerminated());
786	<	for (ScheduledFuture task : tasks) {
787	<	assertTrue(task.isDone());
788	<	assertFalse(task.isCancelled());
784	>	assertFalse(p.isTerminated());
785	>	for (Future<?> periodic : periodics) {
786	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
787	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
788	>	}
789	>	for (Future<?> delayed : delayeds) {
790	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
791	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
792	>	}
793	>	if (testImplementationDetails) {
794	>	assertEquals(effectivePeriodicPolicy,
795	>	p.getQueue().containsAll(periodics));
796	>	assertEquals(effectiveDelayedPolicy,
797	>	p.getQueue().containsAll(delayeds));
798	>	}
799	>	// Release all pool threads
800	>	unblock.countDown();
801	>
802	>	for (Future<?> delayed : delayeds) {
803	>	if (effectiveDelayedPolicy) {
804	>	assertNull(delayed.get());
805	>	}
806	>	}
807	>	if (effectivePeriodicPolicy) {
808	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
809	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
810	>	for (Future<?> periodic : periodics) {
811	>	assertTrue(periodic.cancel(false));
812	>	assertTrue(periodic.isCancelled());
813	>	assertTrue(periodic.isDone());
814	>	}
815		}
816	<	}
715	<
716	<	/**
717	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
718	<	* delayed tasks are cancelled at shutdown
719	<	*/
720	<	public void testShutdown2() throws InterruptedException {
721	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
722	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
723	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
724	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
725	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
726	<	for (int i = 0; i < tasks.length; i++)
727	<	tasks[i] = p.schedule(new NoOpRunnable(),
728	<	SHORT_DELAY_MS, MILLISECONDS);
729	<	BlockingQueue q = p.getQueue();
730	<	assertEquals(tasks.length, q.size());
731	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
732	<	assertTrue(p.isShutdown());
733	<	assertTrue(q.isEmpty());
734	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
816	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
817		assertTrue(p.isTerminated());
818	<	for (ScheduledFuture task : tasks) {
819	<	assertTrue(task.isDone());
738	<	assertTrue(task.isCancelled());
739	<	}
740	<	}
741	<
742	<	/**
743	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
744	<	* periodic tasks are cancelled at shutdown
745	<	*/
746	<	public void testShutdown3() throws InterruptedException {
747	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
748	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
749	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
750	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
751	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
752	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
753	<	long initialDelay = LONG_DELAY_MS;
754	<	ScheduledFuture task =
755	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
756	<	5, MILLISECONDS);
757	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
758	<	assertTrue(p.isShutdown());
759	<	assertTrue(p.getQueue().isEmpty());
760	<	assertTrue(task.isDone());
761	<	assertTrue(task.isCancelled());
762	<	joinPool(p);
763	<	}
764	<
765	<	/**
766	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
767	<	* periodic tasks are not cancelled at shutdown
768	<	*/
769	<	public void testShutdown4() throws InterruptedException {
770	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
771	<	final CountDownLatch counter = new CountDownLatch(2);
772	<	try {
773	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
774	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
775	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
776	<	final Runnable r = new CheckedRunnable() {
777	<	public void realRun() {
778	<	counter.countDown();
779	<	}};
780	<	ScheduledFuture task =
781	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
782	<	assertFalse(task.isDone());
783	<	assertFalse(task.isCancelled());
784	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
785	<	assertFalse(task.isCancelled());
786	<	assertFalse(p.isTerminated());
787	<	assertTrue(p.isShutdown());
788	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
789	<	assertFalse(task.isCancelled());
790	<	assertTrue(task.cancel(false));
791	<	assertTrue(task.isDone());
792	<	assertTrue(task.isCancelled());
793	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
794	<	assertTrue(p.isTerminated());
795	<	}
796	<	finally {
797	<	joinPool(p);
798	<	}
799	<	}
818	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
819	>	}}
820
821		/**
822		* completed submit of callable returns result

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