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

Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.53 by jsr166, Sun Sep 27 18:50:50 2015 UTC vs.
Revision 1.61 by jsr166, Sun Oct 4 02:15:08 2015 UTC

#	Line 7 | Line 7
7		*/
8
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	+	import static java.util.concurrent.TimeUnit.SECONDS;
11
12		import java.util.ArrayList;
13	+	import java.util.HashSet;
14		import java.util.List;
15		import java.util.concurrent.BlockingQueue;
16		import java.util.concurrent.Callable;
#	Line 332 | Line 334 | public class ScheduledExecutorTest exten
334		assertEquals(1, p.getActiveCount());
335		done.await();
336		}});
337	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
338		assertEquals(1, p.getActiveCount());
339		} finally {
340		done.countDown();
#	Line 400 | Line 402 | public class ScheduledExecutorTest exten
402		done.await();
403		assertEquals(THREADS, p.getLargestPoolSize());
404		}});
405	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
405	>	assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
406		assertEquals(THREADS, p.getLargestPoolSize());
407		} finally {
408		done.countDown();
#	Line 425 | Line 427 | public class ScheduledExecutorTest exten
427		assertEquals(1, p.getPoolSize());
428		done.await();
429		}});
430	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
430	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
431		assertEquals(1, p.getPoolSize());
432		} finally {
433		done.countDown();
#	Line 450 | Line 452 | public class ScheduledExecutorTest exten
452		threadStarted.countDown();
453		done.await();
454		}});
455	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
455	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
456		assertEquals(TASKS, p.getTaskCount());
457		} finally {
458		done.countDown();
#	Line 523 | Line 525 | public class ScheduledExecutorTest exten
525		threadStarted.countDown();
526		done.await();
527		}});
528	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
528	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
529		assertFalse(p.isTerminating());
530		done.countDown();
531		} finally {
#	Line 548 | Line 550 | public class ScheduledExecutorTest exten
550		threadStarted.countDown();
551		done.await();
552		}});
553	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
553	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
554		assertFalse(p.isTerminating());
555		done.countDown();
556		} finally {
#	Line 576 | Line 578 | public class ScheduledExecutorTest exten
578		}};
579		tasks[i] = p.schedule(r, 1, MILLISECONDS);
580		}
581	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
581	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
582		BlockingQueue<Runnable> q = p.getQueue();
583		assertTrue(q.contains(tasks[tasks.length - 1]));
584		assertFalse(q.contains(tasks[0]));
#	Line 603 | Line 605 | public class ScheduledExecutorTest exten
605		}};
606		tasks[i] = p.schedule(r, 1, MILLISECONDS);
607		}
608	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608	>	assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
609		BlockingQueue<Runnable> q = p.getQueue();
610		assertFalse(p.remove((Runnable)tasks[0]));
611		assertTrue(q.contains((Runnable)tasks[4]));
#	Line 654 | 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() {
660	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
661	<	for (int i = 0; i < 5; i++)
662	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
663	<	LONG_DELAY_MS, MILLISECONDS);
664	<	try {
665	<	List<Runnable> l = p.shutdownNow();
666	<	assertTrue(p.isShutdown());
667	<	assertTrue(p.getQueue().isEmpty());
668	<	assertEquals(5, l.size());
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	<	// Allowed in case test doesn't have privs
669	<	} finally {
670	<	joinPool(p);
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	<	* In default setting, shutdown cancels periodic but not delayed
695	<	* tasks at shutdown
694	>	* shutdownNow returns a list containing tasks that were not run,
695	>	* and those tasks are drained from the queue
696		*/
697	<	public void testShutdown1() throws InterruptedException {
697	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
698		ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
699	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
700	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
701	<
702	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
703	<	for (int i = 0; i < tasks.length; i++)
704	<	tasks[i] = p.schedule(new NoOpRunnable(),
705	<	SHORT_DELAY_MS, MILLISECONDS);
706	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
707	<	BlockingQueue<Runnable> q = p.getQueue();
708	<	for (ScheduledFuture task : tasks) {
709	<	assertFalse(task.isDone());
710	<	assertFalse(task.isCancelled());
711	<	assertTrue(q.contains(task));
699	>	List<ScheduledFuture> tasks = new ArrayList<>();
700	>	for (int i = 0; i < 3; i++) {
701	>	Runnable r = new NoOpRunnable();
702	>	tasks.add(p.schedule(r, 9, SECONDS));
703	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
704	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
705	>	}
706	>	if (testImplementationDetails)
707	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
708	>	final List<Runnable> queuedTasks;
709	>	try {
710	>	queuedTasks = p.shutdownNow();
711	>	} catch (SecurityException ok) {
712	>	return; // Allowed in case test doesn't have privs
713		}
714		assertTrue(p.isShutdown());
715	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
716	<	assertTrue(p.isTerminated());
715	>	assertTrue(p.getQueue().isEmpty());
716	>	if (testImplementationDetails)
717	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
718	>	assertEquals(tasks.size(), queuedTasks.size());
719		for (ScheduledFuture task : tasks) {
720	<	assertTrue(task.isDone());
720	>	assertFalse(task.isDone());
721		assertFalse(task.isCancelled());
722		}
723	<	}
702	<
703	<	/**
704	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
705	<	* delayed tasks are cancelled at shutdown
706	<	*/
707	<	public void testShutdown2() throws InterruptedException {
708	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
709	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
710	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
711	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
712	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
713	<	for (int i = 0; i < tasks.length; i++)
714	<	tasks[i] = p.schedule(new NoOpRunnable(),
715	<	SHORT_DELAY_MS, MILLISECONDS);
716	<	BlockingQueue q = p.getQueue();
717	<	assertEquals(tasks.length, q.size());
718	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
719	<	assertTrue(p.isShutdown());
720	<	assertTrue(q.isEmpty());
721	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
723	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
724		assertTrue(p.isTerminated());
723	–	for (ScheduledFuture task : tasks) {
724	–	assertTrue(task.isDone());
725	–	assertTrue(task.isCancelled());
726	–	}
725		}
726
727		/**
728	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
729	<	* periodic tasks are cancelled at shutdown
730	<	*/
731	<	public void testShutdown3() throws InterruptedException {
732	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
733	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
734	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
735	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
736	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
737	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
738	<	long initialDelay = LONG_DELAY_MS;
739	<	ScheduledFuture task =
740	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
741	<	5, MILLISECONDS);
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 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	>	assertTrue(p.getQueue().containsAll(periodics));
781	>	assertTrue(p.getQueue().containsAll(delayeds));
782		try { p.shutdown(); } catch (SecurityException ok) { return; }
783		assertTrue(p.isShutdown());
784	<	assertTrue(p.getQueue().isEmpty());
785	<	assertTrue(task.isDone());
786	<	assertTrue(task.isCancelled());
787	<	joinPool(p);
788	<	}
789	<
790	<	/**
791	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
792	<	* periodic tasks are not cancelled at shutdown
793	<	*/
794	<	public void testShutdown4() throws InterruptedException {
795	<	ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
796	<	final CountDownLatch counter = new CountDownLatch(2);
797	<	try {
798	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
799	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
800	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
801	<	final Runnable r = new CheckedRunnable() {
802	<	public void realRun() {
803	<	counter.countDown();
804	<	}};
805	<	ScheduledFuture task =
768	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
769	<	assertFalse(task.isDone());
770	<	assertFalse(task.isCancelled());
771	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
772	<	assertFalse(task.isCancelled());
773	<	assertFalse(p.isTerminated());
774	<	assertTrue(p.isShutdown());
775	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
776	<	assertFalse(task.isCancelled());
777	<	assertTrue(task.cancel(false));
778	<	assertTrue(task.isDone());
779	<	assertTrue(task.isCancelled());
780	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
781	<	assertTrue(p.isTerminated());
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	<	finally {
808	<	joinPool(p);
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	<	}
816	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
817	>	assertTrue(p.isTerminated());
818	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
819	>	}}
820
821		/**
822		* completed submit of callable returns result
#	Line 1174 | Line 1207 | public class ScheduledExecutorTest exten
1207		l.add(new StringTask());
1208		l.add(new StringTask());
1209		List<Future<String>> futures =
1210	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1210	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1211		assertEquals(2, futures.size());
1212		for (Future<String> future : futures)
1213		assertSame(TEST_STRING, future.get());

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