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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import java.util.concurrent.atomic.*; |
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import java.util.concurrent.atomic.AtomicInteger; |
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public class ScheduledExecutorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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return new TestSuite(ScheduledExecutorTest.class); |
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} |
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/** |
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* execute successfully executes a runnable |
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*/ |
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} |
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} |
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/** |
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* delayed schedule of callable successfully executes after delay |
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*/ |
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public void testSchedule1() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Callable task = new CheckedCallable<Boolean>() { |
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public Boolean realCall() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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}}; |
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Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
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assertEquals(Boolean.TRUE, f.get()); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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assertTrue(done.await(0L, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
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*/ |
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public void testSchedule3() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
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assertNull(f.get()); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(done.await(0L, MILLISECONDS)); |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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await(done); |
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assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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*/ |
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public void testSchedule4() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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p.scheduleAtFixedRate(task, SHORT_DELAY_MS, |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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p.scheduleAtFixedRate(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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f.cancel(true); |
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} finally { |
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joinPool(p); |
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/** |
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* scheduleWithFixedDelay executes runnable after given initial delay |
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*/ |
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public void testSchedule5() throws InterruptedException { |
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public void testSchedule5() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long t0 = System.nanoTime(); |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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p.scheduleWithFixedDelay(task, SHORT_DELAY_MS, |
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SHORT_DELAY_MS, MILLISECONDS); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
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p.scheduleWithFixedDelay(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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f.cancel(true); |
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} finally { |
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joinPool(p); |
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joinPool(p); |
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} |
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/** |
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* execute(null) throws NPE |
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*/ |
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threadProceed.await(); |
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threadDone.countDown(); |
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}}); |
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assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
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await(threadStarted); |
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assertEquals(0, p.getCompletedTaskCount()); |
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threadProceed.countDown(); |
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threadDone.await(); |
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delay(SHORT_DELAY_MS); |
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assertEquals(1, p.getCompletedTaskCount()); |
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long startTime = System.nanoTime(); |
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while (p.getCompletedTaskCount() != 1) { |
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if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
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fail("timed out"); |
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Thread.yield(); |
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} |
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} finally { |
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joinPool(p); |
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} |
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assertTrue(p.isShutdown()); |
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} |
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/** |
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* isTerminated is false before termination, true after |
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*/ |
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} |
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} |
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– |
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/** |
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* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
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* delayed tasks are cancelled at shutdown |
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l.add(new StringTask()); |
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List<Future<String>> futures = |
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e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
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assertEquals(3, futures.size()); |
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Iterator<Future<String>> it = futures.iterator(); |
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Future<String> f1 = it.next(); |
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Future<String> f2 = it.next(); |
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Future<String> f3 = it.next(); |
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assertTrue(f1.isDone()); |
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assertTrue(f2.isDone()); |
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assertTrue(f3.isDone()); |
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assertFalse(f1.isCancelled()); |
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assertTrue(f2.isCancelled()); |
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assertEquals(l.size(), futures.size()); |
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for (Future future : futures) |
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assertTrue(future.isDone()); |
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assertFalse(futures.get(0).isCancelled()); |
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assertTrue(futures.get(1).isCancelled()); |
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} finally { |
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joinPool(e); |
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} |
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} |
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– |
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} |