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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 1.47 by jsr166, Tue Sep 24 18:35:21 2013 UTC vs.
Revision 1.57 by jsr166, Mon Sep 28 03:05:23 2015 UTC

# Line 6 | Line 6
6   * Pat Fisher, Mike Judd.
7   */
8  
9 – import junit.framework.*;
10 – import java.util.*;
11 – import java.util.concurrent.*;
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;
17 + import java.util.concurrent.CancellationException;
18 + import java.util.concurrent.CountDownLatch;
19 + import java.util.concurrent.ExecutionException;
20 + import java.util.concurrent.Executors;
21 + import java.util.concurrent.ExecutorService;
22 + import java.util.concurrent.Future;
23 + import java.util.concurrent.RejectedExecutionException;
24 + import java.util.concurrent.ScheduledFuture;
25 + import java.util.concurrent.ScheduledThreadPoolExecutor;
26 + import java.util.concurrent.ThreadFactory;
27 + import java.util.concurrent.ThreadPoolExecutor;
28   import java.util.concurrent.atomic.AtomicInteger;
29  
30 + import junit.framework.Test;
31 + import junit.framework.TestSuite;
32 +
33   public class ScheduledExecutorTest extends JSR166TestCase {
34      public static void main(String[] args) {
35 <        junit.textui.TestRunner.run(suite());
35 >        main(suite(), args);
36      }
37      public static Test suite() {
38          return new TestSuite(ScheduledExecutorTest.class);
# Line 146 | Line 164 | public class ScheduledExecutorTest exten
164                  long startTime = System.nanoTime();
165                  int cycles = 10;
166                  final CountDownLatch done = new CountDownLatch(cycles);
167 <                CheckedRunnable task = new CheckedRunnable() {
167 >                Runnable task = new CheckedRunnable() {
168                      public void realRun() { done.countDown(); }};
151 –                
169                  ScheduledFuture h =
170                      p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
171                  done.await();
# Line 175 | Line 192 | public class ScheduledExecutorTest exten
192                  long startTime = System.nanoTime();
193                  int cycles = 10;
194                  final CountDownLatch done = new CountDownLatch(cycles);
195 <                CheckedRunnable task = new CheckedRunnable() {
195 >                Runnable task = new CheckedRunnable() {
196                      public void realRun() { done.countDown(); }};
180 –                
197                  ScheduledFuture h =
198                      p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
199                  done.await();
# Line 637 | Line 653 | public class ScheduledExecutorTest exten
653      }
654  
655      /**
656 <     * shutdownNow returns a list containing tasks that were not run
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() {
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 >        CheckedRunnable 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 <        for (int i = 0; i < 5; i++)
700 <            p.schedule(new SmallPossiblyInterruptedRunnable(),
701 <                       LONG_DELAY_MS, MILLISECONDS);
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 <            List<Runnable> l = p.shutdownNow();
649 <            assertTrue(p.isShutdown());
650 <            assertEquals(5, l.size());
710 >            queuedTasks = p.shutdownNow();
711          } catch (SecurityException ok) {
712 <            // Allowed in case test doesn't have privs
713 <        } finally {
714 <            joinPool(p);
712 >            return; // Allowed in case test doesn't have privs
713 >        }
714 >        assertTrue(p.isShutdown());
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 >            assertFalse(task.isDone());
721 >            assertFalse(task.isCancelled());
722          }
723 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
724 +        assertTrue(p.isTerminated());
725      }
726  
727      /**
# Line 1173 | Line 1242 | public class ScheduledExecutorTest exten
1242      public void testTimedInvokeAll6() throws Exception {
1243          ExecutorService e = new ScheduledThreadPoolExecutor(2);
1244          try {
1245 <            List<Callable<String>> l = new ArrayList<Callable<String>>();
1246 <            l.add(new StringTask());
1247 <            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1248 <            l.add(new StringTask());
1249 <            List<Future<String>> futures =
1250 <                e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1251 <            assertEquals(l.size(), futures.size());
1252 <            for (Future future : futures)
1253 <                assertTrue(future.isDone());
1254 <            assertFalse(futures.get(0).isCancelled());
1255 <            assertTrue(futures.get(1).isCancelled());
1245 >            for (long timeout = timeoutMillis();;) {
1246 >                List<Callable<String>> tasks = new ArrayList<>();
1247 >                tasks.add(new StringTask("0"));
1248 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1249 >                tasks.add(new StringTask("2"));
1250 >                long startTime = System.nanoTime();
1251 >                List<Future<String>> futures =
1252 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1253 >                assertEquals(tasks.size(), futures.size());
1254 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1255 >                for (Future future : futures)
1256 >                    assertTrue(future.isDone());
1257 >                assertTrue(futures.get(1).isCancelled());
1258 >                try {
1259 >                    assertEquals("0", futures.get(0).get());
1260 >                    assertEquals("2", futures.get(2).get());
1261 >                    break;
1262 >                } catch (CancellationException retryWithLongerTimeout) {
1263 >                    timeout *= 2;
1264 >                    if (timeout >= LONG_DELAY_MS / 2)
1265 >                        fail("expected exactly one task to be cancelled");
1266 >                }
1267 >            }
1268          } finally {
1269              joinPool(e);
1270          }

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