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

Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.37 by jsr166, Sun Sep 27 18:50:50 2015 UTC vs.
Revision 1.43 by jsr166, Sat Oct 3 00:37:31 2015 UTC

#	Line 5 | Line 5
5		*/
6
7		import static java.util.concurrent.TimeUnit.MILLISECONDS;
8	+	import static java.util.concurrent.TimeUnit.SECONDS;
9
10		import java.util.ArrayList;
11	+	import java.util.HashSet;
12		import java.util.List;
13		import java.util.concurrent.BlockingQueue;
14		import java.util.concurrent.Callable;
#	Line 708 | Line 710 | public class ScheduledExecutorSubclassTe
710		* shutdownNow returns a list containing tasks that were not run,
711		* and those tasks are drained from the queue
712		*/
713	<	public void testShutdownNow() {
714	<	CustomExecutor p = new CustomExecutor(1);
715	<	for (int i = 0; i < 5; i++)
716	<	p.schedule(new SmallPossiblyInterruptedRunnable(),
717	<	LONG_DELAY_MS, MILLISECONDS);
718	<	try {
719	<	List<Runnable> l = p.shutdownNow();
720	<	assertTrue(p.isShutdown());
721	<	assertTrue(p.getQueue().isEmpty());
722	<	assertEquals(5, l.size());
713	>	public void testShutdownNow() throws InterruptedException {
714	>	final int poolSize = 2;
715	>	final int count = 5;
716	>	final AtomicInteger ran = new AtomicInteger(0);
717	>	final CustomExecutor p = new CustomExecutor(poolSize);
718	>	CountDownLatch threadsStarted = new CountDownLatch(poolSize);
719	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
720	>	threadsStarted.countDown();
721	>	try {
722	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
723	>	} catch (InterruptedException success) {}
724	>	ran.getAndIncrement();
725	>	}};
726	>	for (int i = 0; i < count; i++)
727	>	p.execute(waiter);
728	>	assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
729	>	assertEquals(poolSize, p.getActiveCount());
730	>	assertEquals(0, p.getCompletedTaskCount());
731	>	final List<Runnable> queuedTasks;
732	>	try {
733	>	queuedTasks = p.shutdownNow();
734		} catch (SecurityException ok) {
735	<	// Allowed in case test doesn't have privs
723	<	} finally {
724	<	joinPool(p);
735	>	return; // Allowed in case test doesn't have privs
736		}
737	+	assertTrue(p.isShutdown());
738	+	assertTrue(p.getQueue().isEmpty());
739	+	assertEquals(count - poolSize, queuedTasks.size());
740	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
741	+	assertTrue(p.isTerminated());
742	+	assertEquals(poolSize, ran.get());
743	+	assertEquals(poolSize, p.getCompletedTaskCount());
744		}
745
746		/**
747	<	* In default setting, shutdown cancels periodic but not delayed
748	<	* tasks at shutdown
747	>	* shutdownNow returns a list containing tasks that were not run,
748	>	* and those tasks are drained from the queue
749		*/
750	<	public void testShutdown1() throws InterruptedException {
750	>	public void testShutdownNow_delayedTasks() throws InterruptedException {
751		CustomExecutor p = new CustomExecutor(1);
752	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
753	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
754	<
755	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
756	<	for (int i = 0; i < tasks.length; i++)
757	<	tasks[i] = p.schedule(new NoOpRunnable(),
758	<	SHORT_DELAY_MS, MILLISECONDS);
759	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
760	<	BlockingQueue<Runnable> q = p.getQueue();
761	<	for (ScheduledFuture task : tasks) {
762	<	assertFalse(task.isDone());
763	<	assertFalse(task.isCancelled());
764	<	assertTrue(q.contains(task));
752	>	List<ScheduledFuture> tasks = new ArrayList<>();
753	>	for (int i = 0; i < 3; i++) {
754	>	Runnable r = new NoOpRunnable();
755	>	tasks.add(p.schedule(r, 9, SECONDS));
756	>	tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
757	>	tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
758	>	}
759	>	if (testImplementationDetails)
760	>	assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
761	>	final List<Runnable> queuedTasks;
762	>	try {
763	>	queuedTasks = p.shutdownNow();
764	>	} catch (SecurityException ok) {
765	>	return; // Allowed in case test doesn't have privs
766		}
767		assertTrue(p.isShutdown());
768	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
769	<	assertTrue(p.isTerminated());
768	>	assertTrue(p.getQueue().isEmpty());
769	>	if (testImplementationDetails)
770	>	assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
771	>	assertEquals(tasks.size(), queuedTasks.size());
772		for (ScheduledFuture task : tasks) {
773	<	assertTrue(task.isDone());
773	>	assertFalse(((CustomTask)task).ran);
774	>	assertFalse(task.isDone());
775		assertFalse(task.isCancelled());
776		}
777	<	}
756	<
757	<	/**
758	<	* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
759	<	* delayed tasks are cancelled at shutdown
760	<	*/
761	<	public void testShutdown2() throws InterruptedException {
762	<	CustomExecutor p = new CustomExecutor(1);
763	<	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
764	<	assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
765	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
766	<	ScheduledFuture[] tasks = new ScheduledFuture[5];
767	<	for (int i = 0; i < tasks.length; i++)
768	<	tasks[i] = p.schedule(new NoOpRunnable(),
769	<	SHORT_DELAY_MS, MILLISECONDS);
770	<	BlockingQueue q = p.getQueue();
771	<	assertEquals(tasks.length, q.size());
772	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
773	<	assertTrue(p.isShutdown());
774	<	assertTrue(q.isEmpty());
775	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
777	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
778		assertTrue(p.isTerminated());
777	–	for (ScheduledFuture task : tasks) {
778	–	assertTrue(task.isDone());
779	–	assertTrue(task.isCancelled());
780	–	}
779		}
780
781		/**
782	<	* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
783	<	* periodic tasks are cancelled at shutdown
784	<	*/
785	<	public void testShutdown3() throws InterruptedException {
786	<	CustomExecutor p = new CustomExecutor(1);
787	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
788	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
789	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
790	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
791	<	assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
792	<	long initialDelay = LONG_DELAY_MS;
793	<	ScheduledFuture task =
794	<	p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
795	<	5, MILLISECONDS);
782	>	* By default, periodic tasks are cancelled at shutdown.
783	>	* By default, delayed tasks keep running after shutdown.
784	>	* Check that changing the default values work:
785	>	* - setExecuteExistingDelayedTasksAfterShutdownPolicy
786	>	* - setContinueExistingPeriodicTasksAfterShutdownPolicy
787	>	*/
788	>	public void testShutdown_cancellation() throws Exception {
789	>	Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE };
790	>	for (Boolean policy : allBooleans)
791	>	{
792	>	final int poolSize = 2;
793	>	final CustomExecutor p = new CustomExecutor(poolSize);
794	>	final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE);
795	>	final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE);
796	>	final boolean effectiveRemovePolicy = (policy == Boolean.TRUE);
797	>	if (policy != null) {
798	>	p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy);
799	>	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy);
800	>	p.setRemoveOnCancelPolicy(policy);
801	>	}
802	>	assertEquals(effectiveDelayedPolicy,
803	>	p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
804	>	assertEquals(effectivePeriodicPolicy,
805	>	p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
806	>	assertEquals(effectiveRemovePolicy,
807	>	p.getRemoveOnCancelPolicy());
808	>	// Strategy: Wedge the pool with poolSize "blocker" threads
809	>	final AtomicInteger ran = new AtomicInteger(0);
810	>	final CountDownLatch poolBlocked = new CountDownLatch(poolSize);
811	>	final CountDownLatch unblock = new CountDownLatch(1);
812	>	final CountDownLatch periodicLatch1 = new CountDownLatch(2);
813	>	final CountDownLatch periodicLatch2 = new CountDownLatch(2);
814	>	Runnable task = new CheckedRunnable() { public void realRun()
815	>	throws InterruptedException {
816	>	poolBlocked.countDown();
817	>	assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS));
818	>	ran.getAndIncrement();
819	>	}};
820	>	List<Future<?>> blockers = new ArrayList<>();
821	>	List<Future<?>> periodics = new ArrayList<>();
822	>	List<Future<?>> delayeds = new ArrayList<>();
823	>	for (int i = 0; i < poolSize; i++)
824	>	blockers.add(p.submit(task));
825	>	assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS));
826	>
827	>	periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1),
828	>	1, 1, MILLISECONDS));
829	>	periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2),
830	>	1, 1, MILLISECONDS));
831	>	delayeds.add(p.schedule(task, 1, MILLISECONDS));
832	>
833	>	assertTrue(p.getQueue().containsAll(periodics));
834	>	assertTrue(p.getQueue().containsAll(delayeds));
835		try { p.shutdown(); } catch (SecurityException ok) { return; }
836		assertTrue(p.isShutdown());
837	<	assertTrue(p.getQueue().isEmpty());
838	<	assertTrue(task.isDone());
839	<	assertTrue(task.isCancelled());
840	<	joinPool(p);
841	<	}
842	<
843	<	/**
844	<	* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
845	<	* periodic tasks are not cancelled at shutdown
846	<	*/
847	<	public void testShutdown4() throws InterruptedException {
848	<	CustomExecutor p = new CustomExecutor(1);
849	<	final CountDownLatch counter = new CountDownLatch(2);
850	<	try {
851	<	p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
852	<	assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
853	<	assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
854	<	final Runnable r = new CheckedRunnable() {
855	<	public void realRun() {
856	<	counter.countDown();
857	<	}};
858	<	ScheduledFuture task =
822	<	p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
823	<	assertFalse(task.isDone());
824	<	assertFalse(task.isCancelled());
825	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
826	<	assertFalse(task.isCancelled());
827	<	assertFalse(p.isTerminated());
828	<	assertTrue(p.isShutdown());
829	<	assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
830	<	assertFalse(task.isCancelled());
831	<	assertTrue(task.cancel(false));
832	<	assertTrue(task.isDone());
833	<	assertTrue(task.isCancelled());
834	<	assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
835	<	assertTrue(p.isTerminated());
837	>	assertFalse(p.isTerminated());
838	>	for (Future<?> periodic : periodics) {
839	>	assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled());
840	>	assertTrue(effectivePeriodicPolicy ^ periodic.isDone());
841	>	}
842	>	for (Future<?> delayed : delayeds) {
843	>	assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled());
844	>	assertTrue(effectiveDelayedPolicy ^ delayed.isDone());
845	>	}
846	>	if (testImplementationDetails) {
847	>	assertEquals(effectivePeriodicPolicy,
848	>	p.getQueue().containsAll(periodics));
849	>	assertEquals(effectiveDelayedPolicy,
850	>	p.getQueue().containsAll(delayeds));
851	>	}
852	>	// Release all pool threads
853	>	unblock.countDown();
854	>
855	>	for (Future<?> delayed : delayeds) {
856	>	if (effectiveDelayedPolicy) {
857	>	assertNull(delayed.get());
858	>	}
859		}
860	<	finally {
861	<	joinPool(p);
860	>	if (effectivePeriodicPolicy) {
861	>	assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS));
862	>	assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS));
863	>	for (Future<?> periodic : periodics) {
864	>	assertTrue(periodic.cancel(false));
865	>	assertTrue(periodic.isCancelled());
866	>	assertTrue(periodic.isDone());
867	>	}
868		}
869	<	}
869	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
870	>	assertTrue(p.isTerminated());
871	>	assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
872	>	}}
873
874		/**
875		* completed submit of callable returns result
#	Line 1228 | Line 1260 | public class ScheduledExecutorSubclassTe
1260		l.add(new StringTask());
1261		l.add(new StringTask());
1262		List<Future<String>> futures =
1263	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1263	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1264		assertEquals(2, futures.size());
1265		for (Future<String> future : futures)
1266		assertSame(TEST_STRING, future.get());

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