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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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import junit.framework.*; |
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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 static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
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import java.util.ArrayList; |
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import java.util.HashSet; |
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import java.util.List; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.ScheduledFuture; |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.concurrent.atomic.AtomicLong; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class ScheduledExecutorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run (suite()); |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
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} |
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|
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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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public void testExecute() throws InterruptedException { |
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TrackedShortRunnable runnable =new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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p1.execute(runnable); |
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assertFalse(runnable.done); |
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Thread.sleep(SHORT_DELAY_MS); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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p.execute(task); |
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assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
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} |
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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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TrackedCallable callable = new TrackedCallable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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Future f = p1.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(callable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(callable.done); |
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assertEquals(Boolean.TRUE, f.get()); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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}}; |
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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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} |
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} |
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|
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/** |
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* delayed schedule of runnable successfully executes after delay |
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*/ |
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public void testSchedule3() throws InterruptedException { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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p1.schedule(runnable, SMALL_DELAY_MS, MILLISECONDS); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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try { p1.shutdown(); } catch (SecurityException ok) { return; } |
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joinPool(p1); |
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* delayed schedule of runnable successfully executes after delay |
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*/ |
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public void testSchedule3() throws Exception { |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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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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} |
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} |
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/** |
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* scheduleAtFixedRate executes runnable after given initial delay |
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*/ |
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public void testSchedule4() throws InterruptedException { |
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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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ScheduledFuture h = p1.scheduleAtFixedRate(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
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assertTrue(runnable.done); |
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h.cancel(true); |
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joinPool(p1); |
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} |
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|
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static class RunnableCounter implements Runnable { |
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AtomicInteger count = new AtomicInteger(0); |
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public void run() { count.getAndIncrement(); } |
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public void testSchedule4() throws Exception { |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try (PoolCleaner cleaner = cleaner(p)) { |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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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(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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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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} |
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} |
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|
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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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TrackedShortRunnable runnable = new TrackedShortRunnable(); |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
126 |
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ScheduledFuture h = p1.scheduleWithFixedDelay(runnable, SHORT_DELAY_MS, SHORT_DELAY_MS, MILLISECONDS); |
127 |
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assertFalse(runnable.done); |
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Thread.sleep(MEDIUM_DELAY_MS); |
129 |
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assertTrue(runnable.done); |
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h.cancel(true); |
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joinPool(p1); |
123 |
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public void testSchedule5() throws Exception { |
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final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
125 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
126 |
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final long startTime = System.nanoTime(); |
127 |
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final CountDownLatch done = new CountDownLatch(1); |
128 |
> |
Runnable task = new CheckedRunnable() { |
129 |
> |
public void realRun() { |
130 |
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done.countDown(); |
131 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
132 |
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}}; |
133 |
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ScheduledFuture f = |
134 |
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p.scheduleWithFixedDelay(task, timeoutMillis(), |
135 |
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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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} |
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} |
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|
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static class RunnableCounter implements Runnable { |
143 |
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AtomicInteger count = new AtomicInteger(0); |
144 |
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public void run() { count.getAndIncrement(); } |
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} |
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|
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/** |
148 |
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* scheduleAtFixedRate executes series of tasks at given rate |
148 |
> |
* scheduleAtFixedRate executes series of tasks at given rate. |
149 |
> |
* Eventually, it must hold that: |
150 |
> |
* cycles - 1 <= elapsedMillis/delay < cycles |
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*/ |
152 |
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public void testFixedRateSequence() throws InterruptedException { |
153 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
154 |
< |
RunnableCounter counter = new RunnableCounter(); |
155 |
< |
ScheduledFuture h = |
156 |
< |
p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
157 |
< |
Thread.sleep(SMALL_DELAY_MS); |
158 |
< |
h.cancel(true); |
159 |
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int c = counter.count.get(); |
160 |
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// By time scaling conventions, we must have at least |
161 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
162 |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
163 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
164 |
< |
joinPool(p1); |
153 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
154 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
155 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
156 |
> |
final long startTime = System.nanoTime(); |
157 |
> |
final int cycles = 8; |
158 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
159 |
> |
final Runnable task = new CheckedRunnable() { |
160 |
> |
public void realRun() { done.countDown(); }}; |
161 |
> |
final ScheduledFuture periodicTask = |
162 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
163 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
164 |
> |
await(done, totalDelayMillis + LONG_DELAY_MS); |
165 |
> |
periodicTask.cancel(true); |
166 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
167 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
168 |
> |
if (elapsedMillis <= cycles * delay) |
169 |
> |
return; |
170 |
> |
// else retry with longer delay |
171 |
> |
} |
172 |
> |
fail("unexpected execution rate"); |
173 |
> |
} |
174 |
|
} |
175 |
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|
176 |
|
/** |
177 |
< |
* scheduleWithFixedDelay executes series of tasks with given period |
177 |
> |
* scheduleWithFixedDelay executes series of tasks with given period. |
178 |
> |
* Eventually, it must hold that each task starts at least delay and at |
179 |
> |
* most 2 * delay after the termination of the previous task. |
180 |
|
*/ |
181 |
|
public void testFixedDelaySequence() throws InterruptedException { |
182 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
183 |
< |
RunnableCounter counter = new RunnableCounter(); |
184 |
< |
ScheduledFuture h = |
185 |
< |
p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
186 |
< |
Thread.sleep(SMALL_DELAY_MS); |
187 |
< |
h.cancel(true); |
188 |
< |
int c = counter.count.get(); |
189 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
190 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
191 |
< |
joinPool(p1); |
182 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
183 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
184 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
185 |
> |
final long startTime = System.nanoTime(); |
186 |
> |
final AtomicLong previous = new AtomicLong(startTime); |
187 |
> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
188 |
> |
final int cycles = 8; |
189 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
190 |
> |
final int d = delay; |
191 |
> |
final Runnable task = new CheckedRunnable() { |
192 |
> |
public void realRun() { |
193 |
> |
long now = System.nanoTime(); |
194 |
> |
long elapsedMillis |
195 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
196 |
> |
if (done.getCount() == cycles) { // first execution |
197 |
> |
if (elapsedMillis >= d) |
198 |
> |
tryLongerDelay.set(true); |
199 |
> |
} else { |
200 |
> |
assertTrue(elapsedMillis >= d); |
201 |
> |
if (elapsedMillis >= 2 * d) |
202 |
> |
tryLongerDelay.set(true); |
203 |
> |
} |
204 |
> |
previous.set(now); |
205 |
> |
done.countDown(); |
206 |
> |
}}; |
207 |
> |
final ScheduledFuture periodicTask = |
208 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
209 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
210 |
> |
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
211 |
> |
periodicTask.cancel(true); |
212 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
213 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
214 |
> |
if (!tryLongerDelay.get()) |
215 |
> |
return; |
216 |
> |
// else retry with longer delay |
217 |
> |
} |
218 |
> |
fail("unexpected execution rate"); |
219 |
> |
} |
220 |
|
} |
221 |
|
|
138 |
– |
|
222 |
|
/** |
223 |
< |
* execute (null) throws NPE |
223 |
> |
* execute(null) throws NPE |
224 |
|
*/ |
225 |
|
public void testExecuteNull() throws InterruptedException { |
226 |
< |
ScheduledThreadPoolExecutor se = null; |
227 |
< |
try { |
228 |
< |
se = new ScheduledThreadPoolExecutor(1); |
229 |
< |
se.execute(null); |
230 |
< |
shouldThrow(); |
231 |
< |
} catch (NullPointerException success) {} |
232 |
< |
|
150 |
< |
joinPool(se); |
226 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
227 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
228 |
> |
try { |
229 |
> |
p.execute(null); |
230 |
> |
shouldThrow(); |
231 |
> |
} catch (NullPointerException success) {} |
232 |
> |
} |
233 |
|
} |
234 |
|
|
235 |
|
/** |
236 |
< |
* schedule (null) throws NPE |
236 |
> |
* schedule(null) throws NPE |
237 |
|
*/ |
238 |
|
public void testScheduleNull() throws InterruptedException { |
239 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
240 |
< |
try { |
241 |
< |
TrackedCallable callable = null; |
242 |
< |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
243 |
< |
shouldThrow(); |
244 |
< |
} catch (NullPointerException success) {} |
245 |
< |
joinPool(se); |
239 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
240 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
241 |
> |
try { |
242 |
> |
TrackedCallable callable = null; |
243 |
> |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
244 |
> |
shouldThrow(); |
245 |
> |
} catch (NullPointerException success) {} |
246 |
> |
} |
247 |
|
} |
248 |
|
|
249 |
|
/** |
250 |
|
* execute throws RejectedExecutionException if shutdown |
251 |
|
*/ |
252 |
|
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
253 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
254 |
< |
try { |
255 |
< |
se.shutdown(); |
256 |
< |
se.schedule(new NoOpRunnable(), |
257 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
258 |
< |
shouldThrow(); |
259 |
< |
} catch (RejectedExecutionException success) { |
260 |
< |
} catch (SecurityException ok) { |
253 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
254 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
255 |
> |
try { |
256 |
> |
p.shutdown(); |
257 |
> |
p.schedule(new NoOpRunnable(), |
258 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
259 |
> |
shouldThrow(); |
260 |
> |
} catch (RejectedExecutionException success) { |
261 |
> |
} catch (SecurityException ok) {} |
262 |
|
} |
179 |
– |
|
180 |
– |
joinPool(se); |
263 |
|
} |
264 |
|
|
265 |
|
/** |
266 |
|
* schedule throws RejectedExecutionException if shutdown |
267 |
|
*/ |
268 |
|
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
269 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
270 |
< |
try { |
271 |
< |
se.shutdown(); |
272 |
< |
se.schedule(new NoOpCallable(), |
273 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
274 |
< |
shouldThrow(); |
275 |
< |
} catch (RejectedExecutionException success) { |
276 |
< |
} catch (SecurityException ok) { |
269 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
270 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
271 |
> |
try { |
272 |
> |
p.shutdown(); |
273 |
> |
p.schedule(new NoOpCallable(), |
274 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
275 |
> |
shouldThrow(); |
276 |
> |
} catch (RejectedExecutionException success) { |
277 |
> |
} catch (SecurityException ok) {} |
278 |
|
} |
196 |
– |
joinPool(se); |
279 |
|
} |
280 |
|
|
281 |
|
/** |
282 |
|
* schedule callable throws RejectedExecutionException if shutdown |
283 |
|
*/ |
284 |
< |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
285 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
286 |
< |
try { |
287 |
< |
se.shutdown(); |
288 |
< |
se.schedule(new NoOpCallable(), |
289 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
290 |
< |
shouldThrow(); |
291 |
< |
} catch (RejectedExecutionException success) { |
292 |
< |
} catch (SecurityException ok) { |
284 |
> |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
285 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
286 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
287 |
> |
try { |
288 |
> |
p.shutdown(); |
289 |
> |
p.schedule(new NoOpCallable(), |
290 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
291 |
> |
shouldThrow(); |
292 |
> |
} catch (RejectedExecutionException success) { |
293 |
> |
} catch (SecurityException ok) {} |
294 |
|
} |
212 |
– |
joinPool(se); |
295 |
|
} |
296 |
|
|
297 |
|
/** |
298 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
298 |
> |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
299 |
|
*/ |
300 |
|
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
301 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
302 |
< |
try { |
303 |
< |
se.shutdown(); |
304 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
305 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
306 |
< |
shouldThrow(); |
307 |
< |
} catch (RejectedExecutionException success) { |
308 |
< |
} catch (SecurityException ok) { |
301 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
302 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
303 |
> |
try { |
304 |
> |
p.shutdown(); |
305 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), |
306 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
307 |
> |
shouldThrow(); |
308 |
> |
} catch (RejectedExecutionException success) { |
309 |
> |
} catch (SecurityException ok) {} |
310 |
|
} |
228 |
– |
joinPool(se); |
311 |
|
} |
312 |
|
|
313 |
|
/** |
314 |
|
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
315 |
|
*/ |
316 |
|
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
317 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
318 |
< |
try { |
319 |
< |
se.shutdown(); |
320 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
321 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
322 |
< |
shouldThrow(); |
323 |
< |
} catch (RejectedExecutionException success) { |
324 |
< |
} catch (SecurityException ok) { |
317 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
318 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
319 |
> |
try { |
320 |
> |
p.shutdown(); |
321 |
> |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
322 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
323 |
> |
shouldThrow(); |
324 |
> |
} catch (RejectedExecutionException success) { |
325 |
> |
} catch (SecurityException ok) {} |
326 |
|
} |
244 |
– |
joinPool(se); |
327 |
|
} |
328 |
|
|
329 |
|
/** |
330 |
< |
* getActiveCount increases but doesn't overestimate, when a |
331 |
< |
* thread becomes active |
330 |
> |
* getActiveCount increases but doesn't overestimate, when a |
331 |
> |
* thread becomes active |
332 |
|
*/ |
333 |
|
public void testGetActiveCount() throws InterruptedException { |
334 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
335 |
< |
assertEquals(0, p2.getActiveCount()); |
336 |
< |
p2.execute(new SmallRunnable()); |
337 |
< |
Thread.sleep(SHORT_DELAY_MS); |
338 |
< |
assertEquals(1, p2.getActiveCount()); |
339 |
< |
joinPool(p2); |
334 |
> |
final CountDownLatch done = new CountDownLatch(1); |
335 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
336 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
337 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
338 |
> |
assertEquals(0, p.getActiveCount()); |
339 |
> |
p.execute(new CheckedRunnable() { |
340 |
> |
public void realRun() throws InterruptedException { |
341 |
> |
threadStarted.countDown(); |
342 |
> |
assertEquals(1, p.getActiveCount()); |
343 |
> |
await(done); |
344 |
> |
}}); |
345 |
> |
await(threadStarted); |
346 |
> |
assertEquals(1, p.getActiveCount()); |
347 |
> |
} |
348 |
|
} |
349 |
|
|
350 |
|
/** |
351 |
< |
* getCompletedTaskCount increases, but doesn't overestimate, |
352 |
< |
* when tasks complete |
351 |
> |
* getCompletedTaskCount increases, but doesn't overestimate, |
352 |
> |
* when tasks complete |
353 |
|
*/ |
354 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
355 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
356 |
< |
assertEquals(0, p2.getCompletedTaskCount()); |
357 |
< |
p2.execute(new SmallRunnable()); |
358 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
359 |
< |
assertEquals(1, p2.getCompletedTaskCount()); |
360 |
< |
joinPool(p2); |
355 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
356 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
357 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
358 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
359 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
360 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
361 |
> |
p.execute(new CheckedRunnable() { |
362 |
> |
public void realRun() throws InterruptedException { |
363 |
> |
threadStarted.countDown(); |
364 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
365 |
> |
threadProceed.await(); |
366 |
> |
threadDone.countDown(); |
367 |
> |
}}); |
368 |
> |
await(threadStarted); |
369 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
370 |
> |
threadProceed.countDown(); |
371 |
> |
threadDone.await(); |
372 |
> |
long startTime = System.nanoTime(); |
373 |
> |
while (p.getCompletedTaskCount() != 1) { |
374 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
375 |
> |
fail("timed out"); |
376 |
> |
Thread.yield(); |
377 |
> |
} |
378 |
> |
} |
379 |
|
} |
380 |
|
|
381 |
|
/** |
382 |
< |
* getCorePoolSize returns size given in constructor if not otherwise set |
382 |
> |
* getCorePoolSize returns size given in constructor if not otherwise set |
383 |
|
*/ |
384 |
|
public void testGetCorePoolSize() throws InterruptedException { |
385 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
386 |
< |
assertEquals(1, p1.getCorePoolSize()); |
387 |
< |
joinPool(p1); |
385 |
> |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
386 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
387 |
> |
assertEquals(1, p.getCorePoolSize()); |
388 |
> |
} |
389 |
|
} |
390 |
|
|
391 |
|
/** |
392 |
< |
* getLargestPoolSize increases, but doesn't overestimate, when |
393 |
< |
* multiple threads active |
392 |
> |
* getLargestPoolSize increases, but doesn't overestimate, when |
393 |
> |
* multiple threads active |
394 |
|
*/ |
395 |
|
public void testGetLargestPoolSize() throws InterruptedException { |
396 |
< |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
397 |
< |
assertEquals(0, p2.getLargestPoolSize()); |
398 |
< |
p2.execute(new SmallRunnable()); |
399 |
< |
p2.execute(new SmallRunnable()); |
400 |
< |
Thread.sleep(SHORT_DELAY_MS); |
401 |
< |
assertEquals(2, p2.getLargestPoolSize()); |
402 |
< |
joinPool(p2); |
396 |
> |
final int THREADS = 3; |
397 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
398 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
399 |
> |
final CountDownLatch done = new CountDownLatch(1); |
400 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
401 |
> |
assertEquals(0, p.getLargestPoolSize()); |
402 |
> |
for (int i = 0; i < THREADS; i++) |
403 |
> |
p.execute(new CheckedRunnable() { |
404 |
> |
public void realRun() throws InterruptedException { |
405 |
> |
threadsStarted.countDown(); |
406 |
> |
await(done); |
407 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
408 |
> |
}}); |
409 |
> |
await(threadsStarted); |
410 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
411 |
> |
} |
412 |
> |
assertEquals(THREADS, p.getLargestPoolSize()); |
413 |
|
} |
414 |
|
|
415 |
|
/** |
416 |
< |
* getPoolSize increases, but doesn't overestimate, when threads |
417 |
< |
* become active |
416 |
> |
* getPoolSize increases, but doesn't overestimate, when threads |
417 |
> |
* become active |
418 |
|
*/ |
419 |
|
public void testGetPoolSize() throws InterruptedException { |
420 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
421 |
< |
assertEquals(0, p1.getPoolSize()); |
422 |
< |
p1.execute(new SmallRunnable()); |
423 |
< |
assertEquals(1, p1.getPoolSize()); |
424 |
< |
joinPool(p1); |
420 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
421 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
422 |
> |
final CountDownLatch done = new CountDownLatch(1); |
423 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
424 |
> |
assertEquals(0, p.getPoolSize()); |
425 |
> |
p.execute(new CheckedRunnable() { |
426 |
> |
public void realRun() throws InterruptedException { |
427 |
> |
threadStarted.countDown(); |
428 |
> |
assertEquals(1, p.getPoolSize()); |
429 |
> |
await(done); |
430 |
> |
}}); |
431 |
> |
await(threadStarted); |
432 |
> |
assertEquals(1, p.getPoolSize()); |
433 |
> |
} |
434 |
|
} |
435 |
|
|
436 |
|
/** |
437 |
< |
* getTaskCount increases, but doesn't overestimate, when tasks |
438 |
< |
* submitted |
437 |
> |
* getTaskCount increases, but doesn't overestimate, when tasks |
438 |
> |
* submitted |
439 |
|
*/ |
440 |
|
public void testGetTaskCount() throws InterruptedException { |
441 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
442 |
< |
assertEquals(0, p1.getTaskCount()); |
443 |
< |
for (int i = 0; i < 5; i++) |
444 |
< |
p1.execute(new SmallRunnable()); |
445 |
< |
Thread.sleep(SHORT_DELAY_MS); |
446 |
< |
assertEquals(5, p1.getTaskCount()); |
447 |
< |
joinPool(p1); |
441 |
> |
final int TASKS = 3; |
442 |
> |
final CountDownLatch done = new CountDownLatch(1); |
443 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
444 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
445 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
446 |
> |
assertEquals(0, p.getTaskCount()); |
447 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
448 |
> |
p.execute(new CheckedRunnable() { |
449 |
> |
public void realRun() throws InterruptedException { |
450 |
> |
threadStarted.countDown(); |
451 |
> |
await(done); |
452 |
> |
}}); |
453 |
> |
await(threadStarted); |
454 |
> |
assertEquals(1, p.getTaskCount()); |
455 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
456 |
> |
for (int i = 0; i < TASKS; i++) { |
457 |
> |
assertEquals(1 + i, p.getTaskCount()); |
458 |
> |
p.execute(new CheckedRunnable() { |
459 |
> |
public void realRun() throws InterruptedException { |
460 |
> |
threadStarted.countDown(); |
461 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
462 |
> |
await(done); |
463 |
> |
}}); |
464 |
> |
} |
465 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
466 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
467 |
> |
} |
468 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
469 |
> |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
470 |
|
} |
471 |
|
|
472 |
|
/** |
473 |
|
* getThreadFactory returns factory in constructor if not set |
474 |
|
*/ |
475 |
|
public void testGetThreadFactory() throws InterruptedException { |
476 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
477 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
478 |
< |
assertSame(tf, p.getThreadFactory()); |
479 |
< |
joinPool(p); |
476 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
477 |
> |
final ScheduledThreadPoolExecutor p = |
478 |
> |
new ScheduledThreadPoolExecutor(1, threadFactory); |
479 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
480 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
481 |
> |
} |
482 |
|
} |
483 |
|
|
484 |
|
/** |
485 |
|
* setThreadFactory sets the thread factory returned by getThreadFactory |
486 |
|
*/ |
487 |
|
public void testSetThreadFactory() throws InterruptedException { |
488 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
489 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
490 |
< |
p.setThreadFactory(tf); |
491 |
< |
assertSame(tf, p.getThreadFactory()); |
492 |
< |
joinPool(p); |
488 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
489 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
490 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
491 |
> |
p.setThreadFactory(threadFactory); |
492 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
493 |
> |
} |
494 |
|
} |
495 |
|
|
496 |
|
/** |
497 |
|
* setThreadFactory(null) throws NPE |
498 |
|
*/ |
499 |
|
public void testSetThreadFactoryNull() throws InterruptedException { |
500 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
501 |
< |
try { |
502 |
< |
p.setThreadFactory(null); |
503 |
< |
shouldThrow(); |
504 |
< |
} catch (NullPointerException success) { |
505 |
< |
} finally { |
353 |
< |
joinPool(p); |
500 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
501 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
502 |
> |
try { |
503 |
> |
p.setThreadFactory(null); |
504 |
> |
shouldThrow(); |
505 |
> |
} catch (NullPointerException success) {} |
506 |
|
} |
507 |
|
} |
508 |
|
|
509 |
|
/** |
510 |
< |
* is isShutDown is false before shutdown, true after |
510 |
> |
* isShutdown is false before shutdown, true after |
511 |
|
*/ |
512 |
|
public void testIsShutdown() { |
513 |
< |
|
514 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
515 |
< |
try { |
516 |
< |
assertFalse(p1.isShutdown()); |
517 |
< |
} |
518 |
< |
finally { |
519 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
513 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
514 |
> |
assertFalse(p.isShutdown()); |
515 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
516 |
> |
try { |
517 |
> |
p.shutdown(); |
518 |
> |
assertTrue(p.isShutdown()); |
519 |
> |
} catch (SecurityException ok) {} |
520 |
|
} |
369 |
– |
assertTrue(p1.isShutdown()); |
521 |
|
} |
522 |
|
|
372 |
– |
|
523 |
|
/** |
524 |
< |
* isTerminated is false before termination, true after |
524 |
> |
* isTerminated is false before termination, true after |
525 |
|
*/ |
526 |
|
public void testIsTerminated() throws InterruptedException { |
527 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
528 |
< |
try { |
529 |
< |
p1.execute(new SmallRunnable()); |
530 |
< |
} finally { |
531 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
527 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
528 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
529 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
530 |
> |
final CountDownLatch done = new CountDownLatch(1); |
531 |
> |
assertFalse(p.isTerminated()); |
532 |
> |
p.execute(new CheckedRunnable() { |
533 |
> |
public void realRun() throws InterruptedException { |
534 |
> |
assertFalse(p.isTerminated()); |
535 |
> |
threadStarted.countDown(); |
536 |
> |
await(done); |
537 |
> |
}}); |
538 |
> |
await(threadStarted); |
539 |
> |
assertFalse(p.isTerminating()); |
540 |
> |
done.countDown(); |
541 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
542 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
543 |
> |
assertTrue(p.isTerminated()); |
544 |
|
} |
383 |
– |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
384 |
– |
assertTrue(p1.isTerminated()); |
545 |
|
} |
546 |
|
|
547 |
|
/** |
548 |
< |
* isTerminating is not true when running or when terminated |
548 |
> |
* isTerminating is not true when running or when terminated |
549 |
|
*/ |
550 |
|
public void testIsTerminating() throws InterruptedException { |
551 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
552 |
< |
assertFalse(p1.isTerminating()); |
553 |
< |
try { |
554 |
< |
p1.execute(new SmallRunnable()); |
555 |
< |
assertFalse(p1.isTerminating()); |
556 |
< |
} finally { |
557 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
551 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
552 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
553 |
> |
final CountDownLatch done = new CountDownLatch(1); |
554 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
555 |
> |
assertFalse(p.isTerminating()); |
556 |
> |
p.execute(new CheckedRunnable() { |
557 |
> |
public void realRun() throws InterruptedException { |
558 |
> |
assertFalse(p.isTerminating()); |
559 |
> |
threadStarted.countDown(); |
560 |
> |
await(done); |
561 |
> |
}}); |
562 |
> |
await(threadStarted); |
563 |
> |
assertFalse(p.isTerminating()); |
564 |
> |
done.countDown(); |
565 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
566 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
567 |
> |
assertTrue(p.isTerminated()); |
568 |
> |
assertFalse(p.isTerminating()); |
569 |
|
} |
399 |
– |
|
400 |
– |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
401 |
– |
assertTrue(p1.isTerminated()); |
402 |
– |
assertFalse(p1.isTerminating()); |
570 |
|
} |
571 |
|
|
572 |
|
/** |
573 |
|
* getQueue returns the work queue, which contains queued tasks |
574 |
|
*/ |
575 |
|
public void testGetQueue() throws InterruptedException { |
576 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
577 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
578 |
< |
for (int i = 0; i < 5; i++) { |
579 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
580 |
< |
} |
581 |
< |
try { |
582 |
< |
Thread.sleep(SHORT_DELAY_MS); |
583 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
584 |
< |
assertTrue(q.contains(tasks[4])); |
576 |
> |
final CountDownLatch done = new CountDownLatch(1); |
577 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
578 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
579 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
580 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
581 |
> |
for (int i = 0; i < tasks.length; i++) { |
582 |
> |
Runnable r = new CheckedRunnable() { |
583 |
> |
public void realRun() throws InterruptedException { |
584 |
> |
threadStarted.countDown(); |
585 |
> |
await(done); |
586 |
> |
}}; |
587 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
588 |
> |
} |
589 |
> |
await(threadStarted); |
590 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
591 |
> |
assertTrue(q.contains(tasks[tasks.length - 1])); |
592 |
|
assertFalse(q.contains(tasks[0])); |
419 |
– |
} finally { |
420 |
– |
joinPool(p1); |
593 |
|
} |
594 |
|
} |
595 |
|
|
597 |
|
* remove(task) removes queued task, and fails to remove active task |
598 |
|
*/ |
599 |
|
public void testRemove() throws InterruptedException { |
600 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
601 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
602 |
< |
for (int i = 0; i < 5; i++) { |
603 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
604 |
< |
} |
605 |
< |
try { |
606 |
< |
Thread.sleep(SHORT_DELAY_MS); |
607 |
< |
BlockingQueue<Runnable> q = p1.getQueue(); |
608 |
< |
assertFalse(p1.remove((Runnable)tasks[0])); |
600 |
> |
final CountDownLatch done = new CountDownLatch(1); |
601 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
602 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
603 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
604 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
605 |
> |
for (int i = 0; i < tasks.length; i++) { |
606 |
> |
Runnable r = new CheckedRunnable() { |
607 |
> |
public void realRun() throws InterruptedException { |
608 |
> |
threadStarted.countDown(); |
609 |
> |
await(done); |
610 |
> |
}}; |
611 |
> |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
612 |
> |
} |
613 |
> |
await(threadStarted); |
614 |
> |
BlockingQueue<Runnable> q = p.getQueue(); |
615 |
> |
assertFalse(p.remove((Runnable)tasks[0])); |
616 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
617 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
618 |
< |
assertTrue(p1.remove((Runnable)tasks[4])); |
619 |
< |
assertFalse(p1.remove((Runnable)tasks[4])); |
618 |
> |
assertTrue(p.remove((Runnable)tasks[4])); |
619 |
> |
assertFalse(p.remove((Runnable)tasks[4])); |
620 |
|
assertFalse(q.contains((Runnable)tasks[4])); |
621 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
622 |
< |
assertTrue(p1.remove((Runnable)tasks[3])); |
622 |
> |
assertTrue(p.remove((Runnable)tasks[3])); |
623 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
445 |
– |
} finally { |
446 |
– |
joinPool(p1); |
624 |
|
} |
625 |
|
} |
626 |
|
|
627 |
|
/** |
628 |
< |
* purge removes cancelled tasks from the queue |
628 |
> |
* purge eventually removes cancelled tasks from the queue |
629 |
|
*/ |
630 |
|
public void testPurge() throws InterruptedException { |
631 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
632 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
633 |
< |
for (int i = 0; i < 5; i++) { |
634 |
< |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
635 |
< |
} |
636 |
< |
try { |
637 |
< |
int max = 5; |
631 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
632 |
> |
final Runnable releaser = new Runnable() { public void run() { |
633 |
> |
for (ScheduledFuture task : tasks) |
634 |
> |
if (task != null) task.cancel(true); }}; |
635 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
636 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
637 |
> |
for (int i = 0; i < tasks.length; i++) |
638 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
639 |
> |
LONG_DELAY_MS, MILLISECONDS); |
640 |
> |
int max = tasks.length; |
641 |
|
if (tasks[4].cancel(true)) --max; |
642 |
|
if (tasks[3].cancel(true)) --max; |
643 |
|
// There must eventually be an interference-free point at |
644 |
|
// which purge will not fail. (At worst, when queue is empty.) |
645 |
< |
int k; |
646 |
< |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
647 |
< |
p1.purge(); |
648 |
< |
long count = p1.getTaskCount(); |
649 |
< |
if (count >= 0 && count <= max) |
650 |
< |
break; |
651 |
< |
Thread.sleep(1); |
652 |
< |
} |
473 |
< |
assertTrue(k < SMALL_DELAY_MS); |
474 |
< |
} finally { |
475 |
< |
joinPool(p1); |
645 |
> |
long startTime = System.nanoTime(); |
646 |
> |
do { |
647 |
> |
p.purge(); |
648 |
> |
long count = p.getTaskCount(); |
649 |
> |
if (count == max) |
650 |
> |
return; |
651 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
652 |
> |
fail("Purge failed to remove cancelled tasks"); |
653 |
|
} |
654 |
|
} |
655 |
|
|
656 |
|
/** |
657 |
< |
* shutDownNow returns a list containing tasks that were not run |
658 |
< |
*/ |
659 |
< |
public void testShutDownNow() throws InterruptedException { |
660 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
661 |
< |
for (int i = 0; i < 5; i++) |
662 |
< |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
663 |
< |
List l; |
657 |
> |
* shutdownNow returns a list containing tasks that were not run, |
658 |
> |
* and those tasks are drained from the queue |
659 |
> |
*/ |
660 |
> |
public void testShutdownNow() throws InterruptedException { |
661 |
> |
final int poolSize = 2; |
662 |
> |
final int count = 5; |
663 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
664 |
> |
final ScheduledThreadPoolExecutor p = |
665 |
> |
new ScheduledThreadPoolExecutor(poolSize); |
666 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
667 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
668 |
> |
threadsStarted.countDown(); |
669 |
> |
try { |
670 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
671 |
> |
} catch (InterruptedException success) {} |
672 |
> |
ran.getAndIncrement(); |
673 |
> |
}}; |
674 |
> |
for (int i = 0; i < count; i++) |
675 |
> |
p.execute(waiter); |
676 |
> |
await(threadsStarted); |
677 |
> |
assertEquals(poolSize, p.getActiveCount()); |
678 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
679 |
> |
final List<Runnable> queuedTasks; |
680 |
|
try { |
681 |
< |
l = p1.shutdownNow(); |
681 |
> |
queuedTasks = p.shutdownNow(); |
682 |
|
} catch (SecurityException ok) { |
683 |
< |
return; |
683 |
> |
return; // Allowed in case test doesn't have privs |
684 |
|
} |
685 |
< |
assertTrue(p1.isShutdown()); |
686 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
687 |
< |
joinPool(p1); |
685 |
> |
assertTrue(p.isShutdown()); |
686 |
> |
assertTrue(p.getQueue().isEmpty()); |
687 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
688 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
689 |
> |
assertTrue(p.isTerminated()); |
690 |
> |
assertEquals(poolSize, ran.get()); |
691 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
692 |
|
} |
693 |
|
|
694 |
|
/** |
695 |
< |
* In default setting, shutdown cancels periodic but not delayed |
696 |
< |
* tasks at shutdown |
697 |
< |
*/ |
698 |
< |
public void testShutDown1() throws InterruptedException { |
699 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
700 |
< |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
701 |
< |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
702 |
< |
|
703 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
704 |
< |
for (int i = 0; i < 5; i++) |
705 |
< |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
706 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
707 |
< |
BlockingQueue q = p1.getQueue(); |
708 |
< |
for (Iterator it = q.iterator(); it.hasNext();) { |
709 |
< |
ScheduledFuture t = (ScheduledFuture)it.next(); |
710 |
< |
assertFalse(t.isCancelled()); |
695 |
> |
* shutdownNow returns a list containing tasks that were not run, |
696 |
> |
* and those tasks are drained from the queue |
697 |
> |
*/ |
698 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
699 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
700 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
701 |
> |
for (int i = 0; i < 3; i++) { |
702 |
> |
Runnable r = new NoOpRunnable(); |
703 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
704 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
705 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
706 |
> |
} |
707 |
> |
if (testImplementationDetails) |
708 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
709 |
> |
final List<Runnable> queuedTasks; |
710 |
> |
try { |
711 |
> |
queuedTasks = p.shutdownNow(); |
712 |
> |
} catch (SecurityException ok) { |
713 |
> |
return; // Allowed in case test doesn't have privs |
714 |
|
} |
715 |
< |
assertTrue(p1.isShutdown()); |
716 |
< |
Thread.sleep(SMALL_DELAY_MS); |
717 |
< |
for (int i = 0; i < 5; ++i) { |
718 |
< |
assertTrue(tasks[i].isDone()); |
719 |
< |
assertFalse(tasks[i].isCancelled()); |
715 |
> |
assertTrue(p.isShutdown()); |
716 |
> |
assertTrue(p.getQueue().isEmpty()); |
717 |
> |
if (testImplementationDetails) |
718 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
719 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
720 |
> |
for (ScheduledFuture task : tasks) { |
721 |
> |
assertFalse(task.isDone()); |
722 |
> |
assertFalse(task.isCancelled()); |
723 |
|
} |
724 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
725 |
+ |
assertTrue(p.isTerminated()); |
726 |
|
} |
727 |
|
|
523 |
– |
|
524 |
– |
/** |
525 |
– |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
526 |
– |
* delayed tasks are cancelled at shutdown |
527 |
– |
*/ |
528 |
– |
public void testShutDown2() throws InterruptedException { |
529 |
– |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
530 |
– |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
531 |
– |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
532 |
– |
for (int i = 0; i < 5; i++) |
533 |
– |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
534 |
– |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
535 |
– |
assertTrue(p1.isShutdown()); |
536 |
– |
BlockingQueue q = p1.getQueue(); |
537 |
– |
assertTrue(q.isEmpty()); |
538 |
– |
Thread.sleep(SMALL_DELAY_MS); |
539 |
– |
assertTrue(p1.isTerminated()); |
540 |
– |
} |
541 |
– |
|
542 |
– |
|
728 |
|
/** |
729 |
< |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
730 |
< |
* periodic tasks are not cancelled at shutdown |
731 |
< |
*/ |
732 |
< |
public void testShutDown3() throws InterruptedException { |
733 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
734 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
735 |
< |
ScheduledFuture task = |
736 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
737 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
738 |
< |
assertTrue(p1.isShutdown()); |
739 |
< |
BlockingQueue q = p1.getQueue(); |
740 |
< |
assertTrue(q.isEmpty()); |
741 |
< |
Thread.sleep(SHORT_DELAY_MS); |
742 |
< |
assertTrue(p1.isTerminated()); |
743 |
< |
} |
744 |
< |
|
745 |
< |
/** |
746 |
< |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
747 |
< |
* periodic tasks are cancelled at shutdown |
748 |
< |
*/ |
749 |
< |
public void testShutDown4() throws InterruptedException { |
750 |
< |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
751 |
< |
try { |
752 |
< |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
753 |
< |
ScheduledFuture task = |
754 |
< |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS); |
755 |
< |
assertFalse(task.isCancelled()); |
756 |
< |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
757 |
< |
assertFalse(task.isCancelled()); |
758 |
< |
assertFalse(p1.isTerminated()); |
759 |
< |
assertTrue(p1.isShutdown()); |
760 |
< |
Thread.sleep(SHORT_DELAY_MS); |
761 |
< |
assertFalse(task.isCancelled()); |
762 |
< |
assertTrue(task.cancel(true)); |
763 |
< |
assertTrue(task.isDone()); |
764 |
< |
Thread.sleep(SHORT_DELAY_MS); |
765 |
< |
assertTrue(p1.isTerminated()); |
729 |
> |
* By default, periodic tasks are cancelled at shutdown. |
730 |
> |
* By default, delayed tasks keep running after shutdown. |
731 |
> |
* Check that changing the default values work: |
732 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
733 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
734 |
> |
*/ |
735 |
> |
public void testShutdown_cancellation() throws Exception { |
736 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
737 |
> |
for (Boolean policy : allBooleans) |
738 |
> |
{ |
739 |
> |
final int poolSize = 2; |
740 |
> |
final ScheduledThreadPoolExecutor p |
741 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
742 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
743 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
744 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
745 |
> |
if (policy != null) { |
746 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
747 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
748 |
> |
p.setRemoveOnCancelPolicy(policy); |
749 |
> |
} |
750 |
> |
assertEquals(effectiveDelayedPolicy, |
751 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
752 |
> |
assertEquals(effectivePeriodicPolicy, |
753 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
754 |
> |
assertEquals(effectiveRemovePolicy, |
755 |
> |
p.getRemoveOnCancelPolicy()); |
756 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
757 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
758 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
759 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
760 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
761 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
762 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
763 |
> |
throws InterruptedException { |
764 |
> |
poolBlocked.countDown(); |
765 |
> |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
766 |
> |
ran.getAndIncrement(); |
767 |
> |
}}; |
768 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
769 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
770 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
771 |
> |
for (int i = 0; i < poolSize; i++) |
772 |
> |
blockers.add(p.submit(task)); |
773 |
> |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
774 |
> |
|
775 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
776 |
> |
1, 1, MILLISECONDS)); |
777 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
778 |
> |
1, 1, MILLISECONDS)); |
779 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
780 |
> |
|
781 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
782 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
783 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
784 |
> |
assertTrue(p.isShutdown()); |
785 |
> |
assertFalse(p.isTerminated()); |
786 |
> |
for (Future<?> periodic : periodics) { |
787 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
788 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
789 |
> |
} |
790 |
> |
for (Future<?> delayed : delayeds) { |
791 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
792 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
793 |
> |
} |
794 |
> |
if (testImplementationDetails) { |
795 |
> |
assertEquals(effectivePeriodicPolicy, |
796 |
> |
p.getQueue().containsAll(periodics)); |
797 |
> |
assertEquals(effectiveDelayedPolicy, |
798 |
> |
p.getQueue().containsAll(delayeds)); |
799 |
> |
} |
800 |
> |
// Release all pool threads |
801 |
> |
unblock.countDown(); |
802 |
> |
|
803 |
> |
for (Future<?> delayed : delayeds) { |
804 |
> |
if (effectiveDelayedPolicy) { |
805 |
> |
assertNull(delayed.get()); |
806 |
> |
} |
807 |
|
} |
808 |
< |
finally { |
809 |
< |
joinPool(p1); |
808 |
> |
if (effectivePeriodicPolicy) { |
809 |
> |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
810 |
> |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
811 |
> |
for (Future<?> periodic : periodics) { |
812 |
> |
assertTrue(periodic.cancel(false)); |
813 |
> |
assertTrue(periodic.isCancelled()); |
814 |
> |
assertTrue(periodic.isDone()); |
815 |
> |
} |
816 |
|
} |
817 |
< |
} |
817 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
818 |
> |
assertTrue(p.isTerminated()); |
819 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
820 |
> |
}} |
821 |
|
|
822 |
|
/** |
823 |
|
* completed submit of callable returns result |
824 |
|
*/ |
825 |
|
public void testSubmitCallable() throws Exception { |
826 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
827 |
< |
try { |
826 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
827 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
828 |
|
Future<String> future = e.submit(new StringTask()); |
829 |
|
String result = future.get(); |
830 |
|
assertSame(TEST_STRING, result); |
596 |
– |
} finally { |
597 |
– |
joinPool(e); |
831 |
|
} |
832 |
|
} |
833 |
|
|
835 |
|
* completed submit of runnable returns successfully |
836 |
|
*/ |
837 |
|
public void testSubmitRunnable() throws Exception { |
838 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
839 |
< |
try { |
838 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
839 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
840 |
|
Future<?> future = e.submit(new NoOpRunnable()); |
841 |
|
future.get(); |
842 |
|
assertTrue(future.isDone()); |
610 |
– |
} finally { |
611 |
– |
joinPool(e); |
843 |
|
} |
844 |
|
} |
845 |
|
|
847 |
|
* completed submit of (runnable, result) returns result |
848 |
|
*/ |
849 |
|
public void testSubmitRunnable2() throws Exception { |
850 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
851 |
< |
try { |
850 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
851 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
852 |
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
853 |
|
String result = future.get(); |
854 |
|
assertSame(TEST_STRING, result); |
624 |
– |
} finally { |
625 |
– |
joinPool(e); |
855 |
|
} |
856 |
|
} |
857 |
|
|
859 |
|
* invokeAny(null) throws NPE |
860 |
|
*/ |
861 |
|
public void testInvokeAny1() throws Exception { |
862 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
863 |
< |
try { |
864 |
< |
e.invokeAny(null); |
865 |
< |
shouldThrow(); |
866 |
< |
} catch (NullPointerException success) { |
867 |
< |
} finally { |
639 |
< |
joinPool(e); |
862 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
863 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
864 |
> |
try { |
865 |
> |
e.invokeAny(null); |
866 |
> |
shouldThrow(); |
867 |
> |
} catch (NullPointerException success) {} |
868 |
|
} |
869 |
|
} |
870 |
|
|
872 |
|
* invokeAny(empty collection) throws IAE |
873 |
|
*/ |
874 |
|
public void testInvokeAny2() throws Exception { |
875 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
876 |
< |
try { |
877 |
< |
e.invokeAny(new ArrayList<Callable<String>>()); |
878 |
< |
shouldThrow(); |
879 |
< |
} catch (IllegalArgumentException success) { |
880 |
< |
} finally { |
653 |
< |
joinPool(e); |
875 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
876 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
877 |
> |
try { |
878 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
879 |
> |
shouldThrow(); |
880 |
> |
} catch (IllegalArgumentException success) {} |
881 |
|
} |
882 |
|
} |
883 |
|
|
885 |
|
* invokeAny(c) throws NPE if c has null elements |
886 |
|
*/ |
887 |
|
public void testInvokeAny3() throws Exception { |
888 |
< |
final CountDownLatch latch = new CountDownLatch(1); |
889 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
890 |
< |
try { |
891 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
892 |
< |
l.add(new Callable<String>() { |
666 |
< |
public String call() { |
667 |
< |
try { |
668 |
< |
latch.await(); |
669 |
< |
} catch (InterruptedException quittingTime) {} |
670 |
< |
return TEST_STRING; |
671 |
< |
}}); |
888 |
> |
CountDownLatch latch = new CountDownLatch(1); |
889 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
890 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
891 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
892 |
> |
l.add(latchAwaitingStringTask(latch)); |
893 |
|
l.add(null); |
894 |
< |
e.invokeAny(l); |
895 |
< |
shouldThrow(); |
896 |
< |
} catch (NullPointerException success) { |
897 |
< |
} finally { |
894 |
> |
try { |
895 |
> |
e.invokeAny(l); |
896 |
> |
shouldThrow(); |
897 |
> |
} catch (NullPointerException success) {} |
898 |
|
latch.countDown(); |
678 |
– |
joinPool(e); |
899 |
|
} |
900 |
|
} |
901 |
|
|
903 |
|
* invokeAny(c) throws ExecutionException if no task completes |
904 |
|
*/ |
905 |
|
public void testInvokeAny4() throws Exception { |
906 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
907 |
< |
try { |
908 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
906 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
907 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
908 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
909 |
|
l.add(new NPETask()); |
910 |
< |
e.invokeAny(l); |
911 |
< |
shouldThrow(); |
912 |
< |
} catch (ExecutionException success) { |
913 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
914 |
< |
} finally { |
915 |
< |
joinPool(e); |
910 |
> |
try { |
911 |
> |
e.invokeAny(l); |
912 |
> |
shouldThrow(); |
913 |
> |
} catch (ExecutionException success) { |
914 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
915 |
> |
} |
916 |
|
} |
917 |
|
} |
918 |
|
|
920 |
|
* invokeAny(c) returns result of some task |
921 |
|
*/ |
922 |
|
public void testInvokeAny5() throws Exception { |
923 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
924 |
< |
try { |
925 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
923 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
924 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
925 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
926 |
|
l.add(new StringTask()); |
927 |
|
l.add(new StringTask()); |
928 |
|
String result = e.invokeAny(l); |
929 |
|
assertSame(TEST_STRING, result); |
710 |
– |
} finally { |
711 |
– |
joinPool(e); |
930 |
|
} |
931 |
|
} |
932 |
|
|
934 |
|
* invokeAll(null) throws NPE |
935 |
|
*/ |
936 |
|
public void testInvokeAll1() throws Exception { |
937 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
938 |
< |
try { |
939 |
< |
e.invokeAll(null); |
940 |
< |
shouldThrow(); |
941 |
< |
} catch (NullPointerException success) { |
942 |
< |
} finally { |
725 |
< |
joinPool(e); |
937 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
938 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
939 |
> |
try { |
940 |
> |
e.invokeAll(null); |
941 |
> |
shouldThrow(); |
942 |
> |
} catch (NullPointerException success) {} |
943 |
|
} |
944 |
|
} |
945 |
|
|
947 |
|
* invokeAll(empty collection) returns empty collection |
948 |
|
*/ |
949 |
|
public void testInvokeAll2() throws Exception { |
950 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
951 |
< |
try { |
950 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
951 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
952 |
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
953 |
|
assertTrue(r.isEmpty()); |
737 |
– |
} finally { |
738 |
– |
joinPool(e); |
954 |
|
} |
955 |
|
} |
956 |
|
|
958 |
|
* invokeAll(c) throws NPE if c has null elements |
959 |
|
*/ |
960 |
|
public void testInvokeAll3() throws Exception { |
961 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
962 |
< |
try { |
963 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
961 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
962 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
963 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
964 |
|
l.add(new StringTask()); |
965 |
|
l.add(null); |
966 |
< |
e.invokeAll(l); |
967 |
< |
shouldThrow(); |
968 |
< |
} catch (NullPointerException success) { |
969 |
< |
} finally { |
755 |
< |
joinPool(e); |
966 |
> |
try { |
967 |
> |
e.invokeAll(l); |
968 |
> |
shouldThrow(); |
969 |
> |
} catch (NullPointerException success) {} |
970 |
|
} |
971 |
|
} |
972 |
|
|
974 |
|
* get of invokeAll(c) throws exception on failed task |
975 |
|
*/ |
976 |
|
public void testInvokeAll4() throws Exception { |
977 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
978 |
< |
try { |
979 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
977 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
978 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
979 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
980 |
|
l.add(new NPETask()); |
981 |
< |
List<Future<String>> result = e.invokeAll(l); |
982 |
< |
assertEquals(1, result.size()); |
983 |
< |
for (Future<String> future : result) |
984 |
< |
future.get(); |
985 |
< |
shouldThrow(); |
986 |
< |
} catch (ExecutionException success) { |
987 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
988 |
< |
} finally { |
775 |
< |
joinPool(e); |
981 |
> |
List<Future<String>> futures = e.invokeAll(l); |
982 |
> |
assertEquals(1, futures.size()); |
983 |
> |
try { |
984 |
> |
futures.get(0).get(); |
985 |
> |
shouldThrow(); |
986 |
> |
} catch (ExecutionException success) { |
987 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
988 |
> |
} |
989 |
|
} |
990 |
|
} |
991 |
|
|
993 |
|
* invokeAll(c) returns results of all completed tasks |
994 |
|
*/ |
995 |
|
public void testInvokeAll5() throws Exception { |
996 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
997 |
< |
try { |
998 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
996 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
997 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
998 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
999 |
|
l.add(new StringTask()); |
1000 |
|
l.add(new StringTask()); |
1001 |
< |
List<Future<String>> result = e.invokeAll(l); |
1002 |
< |
assertEquals(2, result.size()); |
1003 |
< |
for (Future<String> future : result) |
1001 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1002 |
> |
assertEquals(2, futures.size()); |
1003 |
> |
for (Future<String> future : futures) |
1004 |
|
assertSame(TEST_STRING, future.get()); |
792 |
– |
} finally { |
793 |
– |
joinPool(e); |
1005 |
|
} |
1006 |
|
} |
1007 |
|
|
1009 |
|
* timed invokeAny(null) throws NPE |
1010 |
|
*/ |
1011 |
|
public void testTimedInvokeAny1() throws Exception { |
1012 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1013 |
< |
try { |
1014 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1015 |
< |
shouldThrow(); |
1016 |
< |
} catch (NullPointerException success) { |
1017 |
< |
} finally { |
807 |
< |
joinPool(e); |
1012 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1013 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1014 |
> |
try { |
1015 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1016 |
> |
shouldThrow(); |
1017 |
> |
} catch (NullPointerException success) {} |
1018 |
|
} |
1019 |
|
} |
1020 |
|
|
1022 |
|
* timed invokeAny(,,null) throws NPE |
1023 |
|
*/ |
1024 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1025 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1026 |
< |
try { |
1027 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1025 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1026 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1027 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1028 |
|
l.add(new StringTask()); |
1029 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1030 |
< |
shouldThrow(); |
1031 |
< |
} catch (NullPointerException success) { |
1032 |
< |
} finally { |
823 |
< |
joinPool(e); |
1029 |
> |
try { |
1030 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1031 |
> |
shouldThrow(); |
1032 |
> |
} catch (NullPointerException success) {} |
1033 |
|
} |
1034 |
|
} |
1035 |
|
|
1037 |
|
* timed invokeAny(empty collection) throws IAE |
1038 |
|
*/ |
1039 |
|
public void testTimedInvokeAny2() throws Exception { |
1040 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1041 |
< |
try { |
1042 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1043 |
< |
shouldThrow(); |
1044 |
< |
} catch (IllegalArgumentException success) { |
1045 |
< |
} finally { |
837 |
< |
joinPool(e); |
1040 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1041 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1042 |
> |
try { |
1043 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1044 |
> |
shouldThrow(); |
1045 |
> |
} catch (IllegalArgumentException success) {} |
1046 |
|
} |
1047 |
|
} |
1048 |
|
|
1050 |
|
* timed invokeAny(c) throws NPE if c has null elements |
1051 |
|
*/ |
1052 |
|
public void testTimedInvokeAny3() throws Exception { |
1053 |
< |
final CountDownLatch latch = new CountDownLatch(1); |
1054 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1055 |
< |
try { |
1056 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1057 |
< |
l.add(new Callable<String>() { |
850 |
< |
public String call() { |
851 |
< |
try { |
852 |
< |
latch.await(); |
853 |
< |
} catch (InterruptedException quittingTime) {} |
854 |
< |
return TEST_STRING; |
855 |
< |
}}); |
1053 |
> |
CountDownLatch latch = new CountDownLatch(1); |
1054 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1055 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1056 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1057 |
> |
l.add(latchAwaitingStringTask(latch)); |
1058 |
|
l.add(null); |
1059 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1060 |
< |
shouldThrow(); |
1061 |
< |
} catch (NullPointerException success) { |
1062 |
< |
} finally { |
1059 |
> |
try { |
1060 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1061 |
> |
shouldThrow(); |
1062 |
> |
} catch (NullPointerException success) {} |
1063 |
|
latch.countDown(); |
862 |
– |
joinPool(e); |
1064 |
|
} |
1065 |
|
} |
1066 |
|
|
1068 |
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1069 |
|
*/ |
1070 |
|
public void testTimedInvokeAny4() throws Exception { |
1071 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1072 |
< |
try { |
1073 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1071 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1072 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1073 |
> |
long startTime = System.nanoTime(); |
1074 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1075 |
|
l.add(new NPETask()); |
1076 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1077 |
< |
shouldThrow(); |
1078 |
< |
} catch (ExecutionException success) { |
1079 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1080 |
< |
} finally { |
1081 |
< |
joinPool(e); |
1076 |
> |
try { |
1077 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1078 |
> |
shouldThrow(); |
1079 |
> |
} catch (ExecutionException success) { |
1080 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1081 |
> |
} |
1082 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1083 |
|
} |
1084 |
|
} |
1085 |
|
|
1087 |
|
* timed invokeAny(c) returns result of some task |
1088 |
|
*/ |
1089 |
|
public void testTimedInvokeAny5() throws Exception { |
1090 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1091 |
< |
try { |
1092 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1090 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1091 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1092 |
> |
long startTime = System.nanoTime(); |
1093 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1094 |
|
l.add(new StringTask()); |
1095 |
|
l.add(new StringTask()); |
1096 |
< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1096 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1097 |
|
assertSame(TEST_STRING, result); |
1098 |
< |
} finally { |
895 |
< |
joinPool(e); |
1098 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1099 |
|
} |
1100 |
|
} |
1101 |
|
|
1103 |
|
* timed invokeAll(null) throws NPE |
1104 |
|
*/ |
1105 |
|
public void testTimedInvokeAll1() throws Exception { |
1106 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1107 |
< |
try { |
1108 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1109 |
< |
shouldThrow(); |
1110 |
< |
} catch (NullPointerException success) { |
1111 |
< |
} finally { |
909 |
< |
joinPool(e); |
1106 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1107 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1108 |
> |
try { |
1109 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1110 |
> |
shouldThrow(); |
1111 |
> |
} catch (NullPointerException success) {} |
1112 |
|
} |
1113 |
|
} |
1114 |
|
|
1116 |
|
* timed invokeAll(,,null) throws NPE |
1117 |
|
*/ |
1118 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1119 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1120 |
< |
try { |
1121 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1119 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1120 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1121 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1122 |
|
l.add(new StringTask()); |
1123 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1124 |
< |
shouldThrow(); |
1125 |
< |
} catch (NullPointerException success) { |
1126 |
< |
} finally { |
925 |
< |
joinPool(e); |
1123 |
> |
try { |
1124 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1125 |
> |
shouldThrow(); |
1126 |
> |
} catch (NullPointerException success) {} |
1127 |
|
} |
1128 |
|
} |
1129 |
|
|
1131 |
|
* timed invokeAll(empty collection) returns empty collection |
1132 |
|
*/ |
1133 |
|
public void testTimedInvokeAll2() throws Exception { |
1134 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1135 |
< |
try { |
1136 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1134 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1135 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1136 |
> |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1137 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
1138 |
|
assertTrue(r.isEmpty()); |
937 |
– |
} finally { |
938 |
– |
joinPool(e); |
1139 |
|
} |
1140 |
|
} |
1141 |
|
|
1143 |
|
* timed invokeAll(c) throws NPE if c has null elements |
1144 |
|
*/ |
1145 |
|
public void testTimedInvokeAll3() throws Exception { |
1146 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1147 |
< |
try { |
1148 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1146 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1147 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1148 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1149 |
|
l.add(new StringTask()); |
1150 |
|
l.add(null); |
1151 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1152 |
< |
shouldThrow(); |
1153 |
< |
} catch (NullPointerException success) { |
1154 |
< |
} finally { |
955 |
< |
joinPool(e); |
1151 |
> |
try { |
1152 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1153 |
> |
shouldThrow(); |
1154 |
> |
} catch (NullPointerException success) {} |
1155 |
|
} |
1156 |
|
} |
1157 |
|
|
1159 |
|
* get of element of invokeAll(c) throws exception on failed task |
1160 |
|
*/ |
1161 |
|
public void testTimedInvokeAll4() throws Exception { |
1162 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1163 |
< |
try { |
1164 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1162 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1163 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1164 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1165 |
|
l.add(new NPETask()); |
1166 |
< |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1167 |
< |
assertEquals(1, result.size()); |
1168 |
< |
for (Future<String> future : result) |
1169 |
< |
future.get(); |
1170 |
< |
shouldThrow(); |
1171 |
< |
} catch (ExecutionException success) { |
1172 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1173 |
< |
} finally { |
1174 |
< |
joinPool(e); |
1166 |
> |
List<Future<String>> futures = |
1167 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1168 |
> |
assertEquals(1, futures.size()); |
1169 |
> |
try { |
1170 |
> |
futures.get(0).get(); |
1171 |
> |
shouldThrow(); |
1172 |
> |
} catch (ExecutionException success) { |
1173 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1174 |
> |
} |
1175 |
|
} |
1176 |
|
} |
1177 |
|
|
1179 |
|
* timed invokeAll(c) returns results of all completed tasks |
1180 |
|
*/ |
1181 |
|
public void testTimedInvokeAll5() throws Exception { |
1182 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1183 |
< |
try { |
1184 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1182 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1183 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1184 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1185 |
|
l.add(new StringTask()); |
1186 |
|
l.add(new StringTask()); |
1187 |
< |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1188 |
< |
assertEquals(2, result.size()); |
1189 |
< |
for (Future<String> future : result) |
1187 |
> |
List<Future<String>> futures = |
1188 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1189 |
> |
assertEquals(2, futures.size()); |
1190 |
> |
for (Future<String> future : futures) |
1191 |
|
assertSame(TEST_STRING, future.get()); |
992 |
– |
} finally { |
993 |
– |
joinPool(e); |
1192 |
|
} |
1193 |
|
} |
1194 |
|
|
1196 |
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1197 |
|
*/ |
1198 |
|
public void testTimedInvokeAll6() throws Exception { |
1199 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1200 |
< |
try { |
1201 |
< |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1202 |
< |
l.add(new StringTask()); |
1203 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1204 |
< |
l.add(new StringTask()); |
1205 |
< |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1206 |
< |
assertEquals(3, result.size()); |
1207 |
< |
Iterator<Future<String>> it = result.iterator(); |
1208 |
< |
Future<String> f1 = it.next(); |
1209 |
< |
Future<String> f2 = it.next(); |
1210 |
< |
Future<String> f3 = it.next(); |
1211 |
< |
assertTrue(f1.isDone()); |
1212 |
< |
assertTrue(f2.isDone()); |
1213 |
< |
assertTrue(f3.isDone()); |
1214 |
< |
assertFalse(f1.isCancelled()); |
1215 |
< |
assertTrue(f2.isCancelled()); |
1216 |
< |
} finally { |
1217 |
< |
joinPool(e); |
1199 |
> |
for (long timeout = timeoutMillis();;) { |
1200 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1201 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1202 |
> |
public String realCall() { |
1203 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1204 |
> |
catch (InterruptedException ok) {} |
1205 |
> |
return "1"; }}; |
1206 |
> |
final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
1207 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1208 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1209 |
> |
tasks.add(new StringTask("0")); |
1210 |
> |
tasks.add(waiter); |
1211 |
> |
tasks.add(new StringTask("2")); |
1212 |
> |
long startTime = System.nanoTime(); |
1213 |
> |
List<Future<String>> futures = |
1214 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1215 |
> |
assertEquals(tasks.size(), futures.size()); |
1216 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1217 |
> |
for (Future future : futures) |
1218 |
> |
assertTrue(future.isDone()); |
1219 |
> |
assertTrue(futures.get(1).isCancelled()); |
1220 |
> |
try { |
1221 |
> |
assertEquals("0", futures.get(0).get()); |
1222 |
> |
assertEquals("2", futures.get(2).get()); |
1223 |
> |
break; |
1224 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1225 |
> |
timeout *= 2; |
1226 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1227 |
> |
fail("expected exactly one task to be cancelled"); |
1228 |
> |
} |
1229 |
> |
} |
1230 |
|
} |
1231 |
|
} |
1232 |
|
|
1233 |
+ |
/** |
1234 |
+ |
* A fixed delay task with overflowing period should not prevent a |
1235 |
+ |
* one-shot task from executing. |
1236 |
+ |
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1237 |
+ |
*/ |
1238 |
+ |
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1239 |
+ |
final CountDownLatch delayedDone = new CountDownLatch(1); |
1240 |
+ |
final CountDownLatch immediateDone = new CountDownLatch(1); |
1241 |
+ |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1242 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
1243 |
+ |
final Runnable immediate = new Runnable() { public void run() { |
1244 |
+ |
immediateDone.countDown(); |
1245 |
+ |
}}; |
1246 |
+ |
final Runnable delayed = new Runnable() { public void run() { |
1247 |
+ |
delayedDone.countDown(); |
1248 |
+ |
p.submit(immediate); |
1249 |
+ |
}}; |
1250 |
+ |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1251 |
+ |
await(delayedDone); |
1252 |
+ |
await(immediateDone); |
1253 |
+ |
} |
1254 |
+ |
} |
1255 |
|
|
1256 |
|
} |