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Comparing jsr166/src/test/tck/ScheduledExecutorSubclassTest.java (file contents):
Revision 1.27 by jsr166, Sun May 29 07:01:17 2011 UTC vs.
Revision 1.38 by jsr166, Sun Sep 27 20:17:39 2015 UTC

# Line 4 | Line 4
4   * http://creativecommons.org/publicdomain/zero/1.0/
5   */
6  
7 – import junit.framework.*;
8 – import java.util.*;
9 – import java.util.concurrent.*;
7   import static java.util.concurrent.TimeUnit.MILLISECONDS;
8 < import java.util.concurrent.atomic.*;
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;
15 > import java.util.concurrent.CancellationException;
16 > import java.util.concurrent.CountDownLatch;
17 > import java.util.concurrent.Delayed;
18 > import java.util.concurrent.ExecutionException;
19 > import java.util.concurrent.Executors;
20 > import java.util.concurrent.ExecutorService;
21 > import java.util.concurrent.Future;
22 > import java.util.concurrent.RejectedExecutionException;
23 > import java.util.concurrent.RejectedExecutionHandler;
24 > import java.util.concurrent.RunnableScheduledFuture;
25 > import java.util.concurrent.ScheduledFuture;
26 > import java.util.concurrent.ScheduledThreadPoolExecutor;
27 > import java.util.concurrent.ThreadFactory;
28 > import java.util.concurrent.ThreadPoolExecutor;
29 > import java.util.concurrent.TimeoutException;
30 > import java.util.concurrent.TimeUnit;
31 > import java.util.concurrent.atomic.AtomicInteger;
32 >
33 > import junit.framework.Test;
34 > import junit.framework.TestSuite;
35  
36   public class ScheduledExecutorSubclassTest extends JSR166TestCase {
37      public static void main(String[] args) {
38 <        junit.textui.TestRunner.run(suite());
38 >        main(suite(), args);
39      }
40      public static Test suite() {
41          return new TestSuite(ScheduledExecutorSubclassTest.class);
# Line 36 | Line 59 | public class ScheduledExecutorSubclassTe
59          }
60          public boolean isCancelled() { return task.isCancelled(); }
61          public boolean isDone() { return task.isDone(); }
62 <        public V get() throws InterruptedException,  ExecutionException {
62 >        public V get() throws InterruptedException, ExecutionException {
63              V v = task.get();
64              assertTrue(ran);
65              return v;
66          }
67 <        public V get(long time, TimeUnit unit) throws InterruptedException,  ExecutionException, TimeoutException {
67 >        public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException {
68              V v = task.get(time, unit);
69              assertTrue(ran);
70              return v;
# Line 57 | Line 80 | public class ScheduledExecutorSubclassTe
80          protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) {
81              return new CustomTask<V>(task);
82          }
83 <        CustomExecutor(int corePoolSize) { super(corePoolSize);}
83 >        CustomExecutor(int corePoolSize) { super(corePoolSize); }
84          CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) {
85              super(corePoolSize, handler);
86          }
# Line 193 | Line 216 | public class ScheduledExecutorSubclassTe
216       */
217      public void testFixedRateSequence() throws InterruptedException {
218          CustomExecutor p = new CustomExecutor(1);
219 <        RunnableCounter counter = new RunnableCounter();
220 <        ScheduledFuture h =
221 <            p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS);
222 <        delay(SMALL_DELAY_MS);
223 <        h.cancel(true);
224 <        int c = counter.count.get();
225 <        // By time scaling conventions, we must have at least
226 <        // an execution per SHORT delay, but no more than one SHORT more
227 <        assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
228 <        assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
229 <        joinPool(p);
219 >        try {
220 >            for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
221 >                long startTime = System.nanoTime();
222 >                int cycles = 10;
223 >                final CountDownLatch done = new CountDownLatch(cycles);
224 >                Runnable task = new CheckedRunnable() {
225 >                    public void realRun() { done.countDown(); }};
226 >                ScheduledFuture h =
227 >                    p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS);
228 >                done.await();
229 >                h.cancel(true);
230 >                double normalizedTime =
231 >                    (double) millisElapsedSince(startTime) / delay;
232 >                if (normalizedTime >= cycles - 1 &&
233 >                    normalizedTime <= cycles)
234 >                    return;
235 >            }
236 >            throw new AssertionError("unexpected execution rate");
237 >        } finally {
238 >            joinPool(p);
239 >        }
240      }
241  
242      /**
# Line 211 | Line 244 | public class ScheduledExecutorSubclassTe
244       */
245      public void testFixedDelaySequence() throws InterruptedException {
246          CustomExecutor p = new CustomExecutor(1);
247 <        RunnableCounter counter = new RunnableCounter();
248 <        ScheduledFuture h =
249 <            p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS);
250 <        delay(SMALL_DELAY_MS);
251 <        h.cancel(true);
252 <        int c = counter.count.get();
253 <        assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS);
254 <        assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS);
255 <        joinPool(p);
247 >        try {
248 >            for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) {
249 >                long startTime = System.nanoTime();
250 >                int cycles = 10;
251 >                final CountDownLatch done = new CountDownLatch(cycles);
252 >                Runnable task = new CheckedRunnable() {
253 >                    public void realRun() { done.countDown(); }};
254 >                ScheduledFuture h =
255 >                    p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS);
256 >                done.await();
257 >                h.cancel(true);
258 >                double normalizedTime =
259 >                    (double) millisElapsedSince(startTime) / delay;
260 >                if (normalizedTime >= cycles - 1 &&
261 >                    normalizedTime <= cycles)
262 >                    return;
263 >            }
264 >            throw new AssertionError("unexpected execution rate");
265 >        } finally {
266 >            joinPool(p);
267 >        }
268      }
269  
270      /**
# Line 662 | Line 707 | public class ScheduledExecutorSubclassTe
707      }
708  
709      /**
710 <     * shutdownNow returns a list containing tasks that were not run
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() {
713 >    public void testShutdownNow_delayedTasks() throws InterruptedException {
714          CustomExecutor p = new CustomExecutor(1);
715 <        for (int i = 0; i < 5; i++)
716 <            p.schedule(new SmallPossiblyInterruptedRunnable(),
717 <                       LONG_DELAY_MS, MILLISECONDS);
715 >        List<ScheduledFuture> tasks = new ArrayList<>();
716 >        for (int i = 0; i < 3; i++) {
717 >            Runnable r = new NoOpRunnable();
718 >            tasks.add(p.schedule(r, 9, SECONDS));
719 >            tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS));
720 >            tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS));
721 >        }
722 >        assertEquals(new HashSet(tasks), new HashSet(p.getQueue()));
723 >        final List<Runnable> queuedTasks;
724          try {
725 <            List<Runnable> l = p.shutdownNow();
674 <            assertTrue(p.isShutdown());
675 <            assertEquals(5, l.size());
725 >            queuedTasks = p.shutdownNow();
726          } catch (SecurityException ok) {
727 <            // Allowed in case test doesn't have privs
728 <        } finally {
729 <            joinPool(p);
727 >            return; // Allowed in case test doesn't have privs
728 >        }
729 >        assertTrue(p.isShutdown());
730 >        assertTrue(p.getQueue().isEmpty());
731 >        assertEquals(new HashSet(tasks), new HashSet(queuedTasks));
732 >        assertEquals(tasks.size(), queuedTasks.size());
733 >        for (ScheduledFuture task : tasks) {
734 >            assertFalse(((CustomTask)task).ran);
735 >            assertFalse(task.isDone());
736 >            assertFalse(task.isCancelled());
737          }
738 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
739 +        assertTrue(p.isTerminated());
740      }
741  
742      /**
# Line 1198 | Line 1257 | public class ScheduledExecutorSubclassTe
1257      public void testTimedInvokeAll6() throws Exception {
1258          ExecutorService e = new CustomExecutor(2);
1259          try {
1260 <            List<Callable<String>> l = new ArrayList<Callable<String>>();
1261 <            l.add(new StringTask());
1262 <            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1263 <            l.add(new StringTask());
1264 <            List<Future<String>> futures =
1265 <                e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1266 <            assertEquals(l.size(), futures.size());
1267 <            for (Future future : futures)
1268 <                assertTrue(future.isDone());
1269 <            assertFalse(futures.get(0).isCancelled());
1270 <            assertTrue(futures.get(1).isCancelled());
1260 >            for (long timeout = timeoutMillis();;) {
1261 >                List<Callable<String>> tasks = new ArrayList<>();
1262 >                tasks.add(new StringTask("0"));
1263 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1264 >                tasks.add(new StringTask("2"));
1265 >                long startTime = System.nanoTime();
1266 >                List<Future<String>> futures =
1267 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1268 >                assertEquals(tasks.size(), futures.size());
1269 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1270 >                for (Future future : futures)
1271 >                    assertTrue(future.isDone());
1272 >                assertTrue(futures.get(1).isCancelled());
1273 >                try {
1274 >                    assertEquals("0", futures.get(0).get());
1275 >                    assertEquals("2", futures.get(2).get());
1276 >                    break;
1277 >                } catch (CancellationException retryWithLongerTimeout) {
1278 >                    timeout *= 2;
1279 >                    if (timeout >= LONG_DELAY_MS / 2)
1280 >                        fail("expected exactly one task to be cancelled");
1281 >                }
1282 >            }
1283          } finally {
1284              joinPool(e);
1285          }

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