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root/jsr166/jsr166/src/test/tck/ScheduledExecutorTest.java
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Comparing jsr166/src/test/tck/ScheduledExecutorTest.java (file contents):
Revision 1.56 by jsr166, Mon Sep 28 02:41:29 2015 UTC vs.
Revision 1.59 by jsr166, Sat Oct 3 00:37:31 2015 UTC

# Line 663 | Line 663 | public class ScheduledExecutorTest exten
663          final ScheduledThreadPoolExecutor p =
664              new ScheduledThreadPoolExecutor(poolSize);
665          CountDownLatch threadsStarted = new CountDownLatch(poolSize);
666 <        CheckedRunnable waiter = new CheckedRunnable() { public void realRun() {
666 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
667              threadsStarted.countDown();
668              try {
669                  MILLISECONDS.sleep(2 * LONG_DELAY_MS);
# Line 673 | Line 673 | public class ScheduledExecutorTest exten
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();
# Line 685 | Line 687 | public class ScheduledExecutorTest exten
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      /**
# Line 722 | Line 725 | public class ScheduledExecutorTest exten
725      }
726  
727      /**
728 <     * In default setting, shutdown cancels periodic but not delayed
729 <     * tasks at shutdown
730 <     */
731 <    public void testShutdown1() throws InterruptedException {
732 <        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
733 <        assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
734 <        assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
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 <        ScheduledFuture[] tasks = new ScheduledFuture[5];
781 <        for (int i = 0; i < tasks.length; i++)
735 <            tasks[i] = p.schedule(new NoOpRunnable(),
736 <                                  SHORT_DELAY_MS, MILLISECONDS);
780 >        assertTrue(p.getQueue().containsAll(periodics));
781 >        assertTrue(p.getQueue().containsAll(delayeds));
782          try { p.shutdown(); } catch (SecurityException ok) { return; }
738        BlockingQueue<Runnable> q = p.getQueue();
739        for (ScheduledFuture task : tasks) {
740            assertFalse(task.isDone());
741            assertFalse(task.isCancelled());
742            assertTrue(q.contains(task));
743        }
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 <    }
752 <
753 <    /**
754 <     * If setExecuteExistingDelayedTasksAfterShutdownPolicy is false,
755 <     * delayed tasks are cancelled at shutdown
756 <     */
757 <    public void testShutdown2() throws InterruptedException {
758 <        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
759 <        p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false);
760 <        assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
761 <        assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
762 <        ScheduledFuture[] tasks = new ScheduledFuture[5];
763 <        for (int i = 0; i < tasks.length; i++)
764 <            tasks[i] = p.schedule(new NoOpRunnable(),
765 <                                  SHORT_DELAY_MS, MILLISECONDS);
766 <        BlockingQueue q = p.getQueue();
767 <        assertEquals(tasks.length, q.size());
768 <        try { p.shutdown(); } catch (SecurityException ok) { return; }
769 <        assertTrue(p.isShutdown());
770 <        assertTrue(q.isEmpty());
771 <        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());
775 <            assertTrue(task.isCancelled());
776 <        }
777 <    }
778 <
779 <    /**
780 <     * If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false,
781 <     * periodic tasks are cancelled at shutdown
782 <     */
783 <    public void testShutdown3() throws InterruptedException {
784 <        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
785 <        assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
786 <        assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
787 <        p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false);
788 <        assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
789 <        assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
790 <        long initialDelay = LONG_DELAY_MS;
791 <        ScheduledFuture task =
792 <            p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay,
793 <                                  5, MILLISECONDS);
794 <        try { p.shutdown(); } catch (SecurityException ok) { return; }
795 <        assertTrue(p.isShutdown());
796 <        assertTrue(p.getQueue().isEmpty());
797 <        assertTrue(task.isDone());
798 <        assertTrue(task.isCancelled());
799 <        joinPool(p);
800 <    }
801 <
802 <    /**
803 <     * if setContinueExistingPeriodicTasksAfterShutdownPolicy is true,
804 <     * periodic tasks are not cancelled at shutdown
805 <     */
806 <    public void testShutdown4() throws InterruptedException {
807 <        ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1);
808 <        final CountDownLatch counter = new CountDownLatch(2);
809 <        try {
810 <            p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true);
811 <            assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy());
812 <            assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy());
813 <            final Runnable r = new CheckedRunnable() {
814 <                public void realRun() {
815 <                    counter.countDown();
816 <                }};
817 <            ScheduledFuture task =
818 <                p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS);
819 <            assertFalse(task.isDone());
820 <            assertFalse(task.isCancelled());
821 <            try { p.shutdown(); } catch (SecurityException ok) { return; }
822 <            assertFalse(task.isCancelled());
823 <            assertFalse(p.isTerminated());
824 <            assertTrue(p.isShutdown());
825 <            assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS));
826 <            assertFalse(task.isCancelled());
827 <            assertTrue(task.cancel(false));
828 <            assertTrue(task.isDone());
829 <            assertTrue(task.isCancelled());
830 <            assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS));
831 <            assertTrue(p.isTerminated());
832 <        }
833 <        finally {
834 <            joinPool(p);
835 <        }
836 <    }
818 >        assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get());
819 >    }}
820  
821      /**
822       * completed submit of callable returns result
# Line 1224 | 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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