1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/licenses/publicdomain |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
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|
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import junit.framework.*; |
10 |
import java.util.*; |
11 |
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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|
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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()); |
18 |
} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
21 |
} |
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|
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|
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/** |
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* execute successfully executes a runnable |
26 |
*/ |
27 |
public void testExecute() throws InterruptedException { |
28 |
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; } |
34 |
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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} |
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|
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|
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/** |
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* delayed schedule of callable successfully executes after delay |
43 |
*/ |
44 |
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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} |
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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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} |
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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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} |
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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); |
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ScheduledFuture h = p1.scheduleWithFixedDelay(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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/** |
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* scheduleAtFixedRate executes series of tasks at given rate |
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*/ |
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public void testFixedRateSequence() throws InterruptedException { |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
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ScheduledFuture h = |
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p1.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
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Thread.sleep(SMALL_DELAY_MS); |
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h.cancel(true); |
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int c = counter.count.get(); |
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// By time scaling conventions, we must have at least |
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// an execution per SHORT delay, but no more than one SHORT more |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
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assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
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joinPool(p1); |
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} |
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|
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/** |
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* scheduleWithFixedDelay executes series of tasks with given period |
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*/ |
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public void testFixedDelaySequence() throws InterruptedException { |
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ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
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ScheduledFuture h = |
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p1.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
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Thread.sleep(SMALL_DELAY_MS); |
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h.cancel(true); |
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int c = counter.count.get(); |
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assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
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assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
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joinPool(p1); |
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} |
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|
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|
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/** |
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* execute(null) throws NPE |
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*/ |
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public void testExecuteNull() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = null; |
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try { |
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se = new ScheduledThreadPoolExecutor(1); |
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se.execute(null); |
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shouldThrow(); |
148 |
} catch (NullPointerException success) {} |
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|
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joinPool(se); |
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} |
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|
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/** |
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* schedule(null) throws NPE |
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*/ |
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public void testScheduleNull() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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TrackedCallable callable = null; |
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Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (NullPointerException success) {} |
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joinPool(se); |
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} |
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|
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/** |
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* execute throws RejectedExecutionException if shutdown |
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*/ |
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public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (RejectedExecutionException success) { |
177 |
} catch (SecurityException ok) { |
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} |
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|
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joinPool(se); |
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} |
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|
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/** |
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* schedule throws RejectedExecutionException if shutdown |
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*/ |
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public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpCallable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (RejectedExecutionException success) { |
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} catch (SecurityException ok) { |
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} |
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joinPool(se); |
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} |
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|
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/** |
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* schedule callable throws RejectedExecutionException if shutdown |
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*/ |
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public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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se.shutdown(); |
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se.schedule(new NoOpCallable(), |
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MEDIUM_DELAY_MS, MILLISECONDS); |
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shouldThrow(); |
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} catch (RejectedExecutionException success) { |
210 |
} catch (SecurityException ok) { |
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} |
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joinPool(se); |
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} |
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|
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/** |
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* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
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*/ |
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public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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se.shutdown(); |
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se.scheduleAtFixedRate(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
224 |
shouldThrow(); |
225 |
} catch (RejectedExecutionException success) { |
226 |
} catch (SecurityException ok) { |
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} |
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joinPool(se); |
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} |
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|
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/** |
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* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
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*/ |
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public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
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try { |
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se.shutdown(); |
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se.scheduleWithFixedDelay(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
240 |
shouldThrow(); |
241 |
} catch (RejectedExecutionException success) { |
242 |
} catch (SecurityException ok) { |
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} |
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joinPool(se); |
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} |
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|
247 |
/** |
248 |
* getActiveCount increases but doesn't overestimate, when a |
249 |
* thread becomes active |
250 |
*/ |
251 |
public void testGetActiveCount() throws InterruptedException { |
252 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
253 |
assertEquals(0, p2.getActiveCount()); |
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p2.execute(new SmallRunnable()); |
255 |
Thread.sleep(SHORT_DELAY_MS); |
256 |
assertEquals(1, p2.getActiveCount()); |
257 |
joinPool(p2); |
258 |
} |
259 |
|
260 |
/** |
261 |
* getCompletedTaskCount increases, but doesn't overestimate, |
262 |
* when tasks complete |
263 |
*/ |
264 |
public void testGetCompletedTaskCount() throws InterruptedException { |
265 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
266 |
assertEquals(0, p2.getCompletedTaskCount()); |
267 |
p2.execute(new SmallRunnable()); |
268 |
Thread.sleep(MEDIUM_DELAY_MS); |
269 |
assertEquals(1, p2.getCompletedTaskCount()); |
270 |
joinPool(p2); |
271 |
} |
272 |
|
273 |
/** |
274 |
* getCorePoolSize returns size given in constructor if not otherwise set |
275 |
*/ |
276 |
public void testGetCorePoolSize() throws InterruptedException { |
277 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
278 |
assertEquals(1, p1.getCorePoolSize()); |
279 |
joinPool(p1); |
280 |
} |
281 |
|
282 |
/** |
283 |
* getLargestPoolSize increases, but doesn't overestimate, when |
284 |
* multiple threads active |
285 |
*/ |
286 |
public void testGetLargestPoolSize() throws InterruptedException { |
287 |
ScheduledThreadPoolExecutor p2 = new ScheduledThreadPoolExecutor(2); |
288 |
assertEquals(0, p2.getLargestPoolSize()); |
289 |
p2.execute(new SmallRunnable()); |
290 |
p2.execute(new SmallRunnable()); |
291 |
Thread.sleep(SHORT_DELAY_MS); |
292 |
assertEquals(2, p2.getLargestPoolSize()); |
293 |
joinPool(p2); |
294 |
} |
295 |
|
296 |
/** |
297 |
* getPoolSize increases, but doesn't overestimate, when threads |
298 |
* become active |
299 |
*/ |
300 |
public void testGetPoolSize() throws InterruptedException { |
301 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
302 |
assertEquals(0, p1.getPoolSize()); |
303 |
p1.execute(new SmallRunnable()); |
304 |
assertEquals(1, p1.getPoolSize()); |
305 |
joinPool(p1); |
306 |
} |
307 |
|
308 |
/** |
309 |
* getTaskCount increases, but doesn't overestimate, when tasks |
310 |
* submitted |
311 |
*/ |
312 |
public void testGetTaskCount() throws InterruptedException { |
313 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
314 |
assertEquals(0, p1.getTaskCount()); |
315 |
for (int i = 0; i < 5; i++) |
316 |
p1.execute(new SmallRunnable()); |
317 |
Thread.sleep(SHORT_DELAY_MS); |
318 |
assertEquals(5, p1.getTaskCount()); |
319 |
joinPool(p1); |
320 |
} |
321 |
|
322 |
/** |
323 |
* getThreadFactory returns factory in constructor if not set |
324 |
*/ |
325 |
public void testGetThreadFactory() throws InterruptedException { |
326 |
ThreadFactory tf = new SimpleThreadFactory(); |
327 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
328 |
assertSame(tf, p.getThreadFactory()); |
329 |
joinPool(p); |
330 |
} |
331 |
|
332 |
/** |
333 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
334 |
*/ |
335 |
public void testSetThreadFactory() throws InterruptedException { |
336 |
ThreadFactory tf = new SimpleThreadFactory(); |
337 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
338 |
p.setThreadFactory(tf); |
339 |
assertSame(tf, p.getThreadFactory()); |
340 |
joinPool(p); |
341 |
} |
342 |
|
343 |
/** |
344 |
* setThreadFactory(null) throws NPE |
345 |
*/ |
346 |
public void testSetThreadFactoryNull() throws InterruptedException { |
347 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
348 |
try { |
349 |
p.setThreadFactory(null); |
350 |
shouldThrow(); |
351 |
} catch (NullPointerException success) { |
352 |
} finally { |
353 |
joinPool(p); |
354 |
} |
355 |
} |
356 |
|
357 |
/** |
358 |
* isShutDown is false before shutdown, true after |
359 |
*/ |
360 |
public void testIsShutdown() { |
361 |
|
362 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
363 |
try { |
364 |
assertFalse(p1.isShutdown()); |
365 |
} |
366 |
finally { |
367 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
368 |
} |
369 |
assertTrue(p1.isShutdown()); |
370 |
} |
371 |
|
372 |
|
373 |
/** |
374 |
* isTerminated is false before termination, true after |
375 |
*/ |
376 |
public void testIsTerminated() throws InterruptedException { |
377 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
378 |
try { |
379 |
p1.execute(new SmallRunnable()); |
380 |
} finally { |
381 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
382 |
} |
383 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
384 |
assertTrue(p1.isTerminated()); |
385 |
} |
386 |
|
387 |
/** |
388 |
* isTerminating is not true when running or when terminated |
389 |
*/ |
390 |
public void testIsTerminating() throws InterruptedException { |
391 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
392 |
assertFalse(p1.isTerminating()); |
393 |
try { |
394 |
p1.execute(new SmallRunnable()); |
395 |
assertFalse(p1.isTerminating()); |
396 |
} finally { |
397 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
398 |
} |
399 |
|
400 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
401 |
assertTrue(p1.isTerminated()); |
402 |
assertFalse(p1.isTerminating()); |
403 |
} |
404 |
|
405 |
/** |
406 |
* getQueue returns the work queue, which contains queued tasks |
407 |
*/ |
408 |
public void testGetQueue() throws InterruptedException { |
409 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
410 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
411 |
for (int i = 0; i < 5; i++) { |
412 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
413 |
} |
414 |
try { |
415 |
Thread.sleep(SHORT_DELAY_MS); |
416 |
BlockingQueue<Runnable> q = p1.getQueue(); |
417 |
assertTrue(q.contains(tasks[4])); |
418 |
assertFalse(q.contains(tasks[0])); |
419 |
} finally { |
420 |
joinPool(p1); |
421 |
} |
422 |
} |
423 |
|
424 |
/** |
425 |
* remove(task) removes queued task, and fails to remove active task |
426 |
*/ |
427 |
public void testRemove() throws InterruptedException { |
428 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
429 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
430 |
for (int i = 0; i < 5; i++) { |
431 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
432 |
} |
433 |
try { |
434 |
Thread.sleep(SHORT_DELAY_MS); |
435 |
BlockingQueue<Runnable> q = p1.getQueue(); |
436 |
assertFalse(p1.remove((Runnable)tasks[0])); |
437 |
assertTrue(q.contains((Runnable)tasks[4])); |
438 |
assertTrue(q.contains((Runnable)tasks[3])); |
439 |
assertTrue(p1.remove((Runnable)tasks[4])); |
440 |
assertFalse(p1.remove((Runnable)tasks[4])); |
441 |
assertFalse(q.contains((Runnable)tasks[4])); |
442 |
assertTrue(q.contains((Runnable)tasks[3])); |
443 |
assertTrue(p1.remove((Runnable)tasks[3])); |
444 |
assertFalse(q.contains((Runnable)tasks[3])); |
445 |
} finally { |
446 |
joinPool(p1); |
447 |
} |
448 |
} |
449 |
|
450 |
/** |
451 |
* purge removes cancelled tasks from the queue |
452 |
*/ |
453 |
public void testPurge() throws InterruptedException { |
454 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
455 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
456 |
for (int i = 0; i < 5; i++) { |
457 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
458 |
} |
459 |
try { |
460 |
int max = 5; |
461 |
if (tasks[4].cancel(true)) --max; |
462 |
if (tasks[3].cancel(true)) --max; |
463 |
// There must eventually be an interference-free point at |
464 |
// which purge will not fail. (At worst, when queue is empty.) |
465 |
int k; |
466 |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
467 |
p1.purge(); |
468 |
long count = p1.getTaskCount(); |
469 |
if (count >= 0 && count <= max) |
470 |
break; |
471 |
Thread.sleep(1); |
472 |
} |
473 |
assertTrue(k < SMALL_DELAY_MS); |
474 |
} finally { |
475 |
joinPool(p1); |
476 |
} |
477 |
} |
478 |
|
479 |
/** |
480 |
* shutDownNow returns a list containing tasks that were not run |
481 |
*/ |
482 |
public void testShutDownNow() throws InterruptedException { |
483 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
484 |
for (int i = 0; i < 5; i++) |
485 |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
486 |
List l; |
487 |
try { |
488 |
l = p1.shutdownNow(); |
489 |
} catch (SecurityException ok) { |
490 |
return; |
491 |
} |
492 |
assertTrue(p1.isShutdown()); |
493 |
assertTrue(l.size() > 0 && l.size() <= 5); |
494 |
joinPool(p1); |
495 |
} |
496 |
|
497 |
/** |
498 |
* In default setting, shutdown cancels periodic but not delayed |
499 |
* tasks at shutdown |
500 |
*/ |
501 |
public void testShutDown1() throws InterruptedException { |
502 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
503 |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
504 |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
505 |
|
506 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
507 |
for (int i = 0; i < 5; i++) |
508 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
509 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
510 |
BlockingQueue q = p1.getQueue(); |
511 |
for (Iterator it = q.iterator(); it.hasNext();) { |
512 |
ScheduledFuture t = (ScheduledFuture)it.next(); |
513 |
assertFalse(t.isCancelled()); |
514 |
} |
515 |
assertTrue(p1.isShutdown()); |
516 |
Thread.sleep(SMALL_DELAY_MS); |
517 |
for (int i = 0; i < 5; ++i) { |
518 |
assertTrue(tasks[i].isDone()); |
519 |
assertFalse(tasks[i].isCancelled()); |
520 |
} |
521 |
} |
522 |
|
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 |
|
543 |
/** |
544 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
545 |
* periodic tasks are not cancelled at shutdown |
546 |
*/ |
547 |
public void testShutDown3() throws InterruptedException { |
548 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
549 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
550 |
ScheduledFuture task = |
551 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
552 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
553 |
assertTrue(p1.isShutdown()); |
554 |
BlockingQueue q = p1.getQueue(); |
555 |
assertTrue(q.isEmpty()); |
556 |
Thread.sleep(SHORT_DELAY_MS); |
557 |
assertTrue(p1.isTerminated()); |
558 |
} |
559 |
|
560 |
/** |
561 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
562 |
* periodic tasks are cancelled at shutdown |
563 |
*/ |
564 |
public void testShutDown4() throws InterruptedException { |
565 |
ScheduledThreadPoolExecutor p1 = new ScheduledThreadPoolExecutor(1); |
566 |
try { |
567 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
568 |
ScheduledFuture task = |
569 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS); |
570 |
assertFalse(task.isCancelled()); |
571 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
572 |
assertFalse(task.isCancelled()); |
573 |
assertFalse(p1.isTerminated()); |
574 |
assertTrue(p1.isShutdown()); |
575 |
Thread.sleep(SHORT_DELAY_MS); |
576 |
assertFalse(task.isCancelled()); |
577 |
assertTrue(task.cancel(true)); |
578 |
assertTrue(task.isDone()); |
579 |
Thread.sleep(SHORT_DELAY_MS); |
580 |
assertTrue(p1.isTerminated()); |
581 |
} |
582 |
finally { |
583 |
joinPool(p1); |
584 |
} |
585 |
} |
586 |
|
587 |
/** |
588 |
* completed submit of callable returns result |
589 |
*/ |
590 |
public void testSubmitCallable() throws Exception { |
591 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
592 |
try { |
593 |
Future<String> future = e.submit(new StringTask()); |
594 |
String result = future.get(); |
595 |
assertSame(TEST_STRING, result); |
596 |
} finally { |
597 |
joinPool(e); |
598 |
} |
599 |
} |
600 |
|
601 |
/** |
602 |
* completed submit of runnable returns successfully |
603 |
*/ |
604 |
public void testSubmitRunnable() throws Exception { |
605 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
606 |
try { |
607 |
Future<?> future = e.submit(new NoOpRunnable()); |
608 |
future.get(); |
609 |
assertTrue(future.isDone()); |
610 |
} finally { |
611 |
joinPool(e); |
612 |
} |
613 |
} |
614 |
|
615 |
/** |
616 |
* completed submit of (runnable, result) returns result |
617 |
*/ |
618 |
public void testSubmitRunnable2() throws Exception { |
619 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
620 |
try { |
621 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
622 |
String result = future.get(); |
623 |
assertSame(TEST_STRING, result); |
624 |
} finally { |
625 |
joinPool(e); |
626 |
} |
627 |
} |
628 |
|
629 |
/** |
630 |
* invokeAny(null) throws NPE |
631 |
*/ |
632 |
public void testInvokeAny1() throws Exception { |
633 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
634 |
try { |
635 |
e.invokeAny(null); |
636 |
shouldThrow(); |
637 |
} catch (NullPointerException success) { |
638 |
} finally { |
639 |
joinPool(e); |
640 |
} |
641 |
} |
642 |
|
643 |
/** |
644 |
* invokeAny(empty collection) throws IAE |
645 |
*/ |
646 |
public void testInvokeAny2() throws Exception { |
647 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
648 |
try { |
649 |
e.invokeAny(new ArrayList<Callable<String>>()); |
650 |
shouldThrow(); |
651 |
} catch (IllegalArgumentException success) { |
652 |
} finally { |
653 |
joinPool(e); |
654 |
} |
655 |
} |
656 |
|
657 |
/** |
658 |
* invokeAny(c) throws NPE if c has null elements |
659 |
*/ |
660 |
public void testInvokeAny3() throws Exception { |
661 |
CountDownLatch latch = new CountDownLatch(1); |
662 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
663 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
664 |
l.add(latchAwaitingStringTask(latch)); |
665 |
l.add(null); |
666 |
try { |
667 |
e.invokeAny(l); |
668 |
shouldThrow(); |
669 |
} catch (NullPointerException success) { |
670 |
} finally { |
671 |
latch.countDown(); |
672 |
joinPool(e); |
673 |
} |
674 |
} |
675 |
|
676 |
/** |
677 |
* invokeAny(c) throws ExecutionException if no task completes |
678 |
*/ |
679 |
public void testInvokeAny4() throws Exception { |
680 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
681 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
682 |
l.add(new NPETask()); |
683 |
try { |
684 |
e.invokeAny(l); |
685 |
shouldThrow(); |
686 |
} catch (ExecutionException success) { |
687 |
assertTrue(success.getCause() instanceof NullPointerException); |
688 |
} finally { |
689 |
joinPool(e); |
690 |
} |
691 |
} |
692 |
|
693 |
/** |
694 |
* invokeAny(c) returns result of some task |
695 |
*/ |
696 |
public void testInvokeAny5() throws Exception { |
697 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
698 |
try { |
699 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
700 |
l.add(new StringTask()); |
701 |
l.add(new StringTask()); |
702 |
String result = e.invokeAny(l); |
703 |
assertSame(TEST_STRING, result); |
704 |
} finally { |
705 |
joinPool(e); |
706 |
} |
707 |
} |
708 |
|
709 |
/** |
710 |
* invokeAll(null) throws NPE |
711 |
*/ |
712 |
public void testInvokeAll1() throws Exception { |
713 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
714 |
try { |
715 |
e.invokeAll(null); |
716 |
shouldThrow(); |
717 |
} catch (NullPointerException success) { |
718 |
} finally { |
719 |
joinPool(e); |
720 |
} |
721 |
} |
722 |
|
723 |
/** |
724 |
* invokeAll(empty collection) returns empty collection |
725 |
*/ |
726 |
public void testInvokeAll2() throws Exception { |
727 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
728 |
try { |
729 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
730 |
assertTrue(r.isEmpty()); |
731 |
} finally { |
732 |
joinPool(e); |
733 |
} |
734 |
} |
735 |
|
736 |
/** |
737 |
* invokeAll(c) throws NPE if c has null elements |
738 |
*/ |
739 |
public void testInvokeAll3() throws Exception { |
740 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
741 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
742 |
l.add(new StringTask()); |
743 |
l.add(null); |
744 |
try { |
745 |
e.invokeAll(l); |
746 |
shouldThrow(); |
747 |
} catch (NullPointerException success) { |
748 |
} finally { |
749 |
joinPool(e); |
750 |
} |
751 |
} |
752 |
|
753 |
/** |
754 |
* get of invokeAll(c) throws exception on failed task |
755 |
*/ |
756 |
public void testInvokeAll4() throws Exception { |
757 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
758 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
759 |
l.add(new NPETask()); |
760 |
List<Future<String>> futures = e.invokeAll(l); |
761 |
assertEquals(1, futures.size()); |
762 |
try { |
763 |
futures.get(0).get(); |
764 |
shouldThrow(); |
765 |
} catch (ExecutionException success) { |
766 |
assertTrue(success.getCause() instanceof NullPointerException); |
767 |
} finally { |
768 |
joinPool(e); |
769 |
} |
770 |
} |
771 |
|
772 |
/** |
773 |
* invokeAll(c) returns results of all completed tasks |
774 |
*/ |
775 |
public void testInvokeAll5() throws Exception { |
776 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
777 |
try { |
778 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
779 |
l.add(new StringTask()); |
780 |
l.add(new StringTask()); |
781 |
List<Future<String>> futures = e.invokeAll(l); |
782 |
assertEquals(2, futures.size()); |
783 |
for (Future<String> future : futures) |
784 |
assertSame(TEST_STRING, future.get()); |
785 |
} finally { |
786 |
joinPool(e); |
787 |
} |
788 |
} |
789 |
|
790 |
/** |
791 |
* timed invokeAny(null) throws NPE |
792 |
*/ |
793 |
public void testTimedInvokeAny1() throws Exception { |
794 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
795 |
try { |
796 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
797 |
shouldThrow(); |
798 |
} catch (NullPointerException success) { |
799 |
} finally { |
800 |
joinPool(e); |
801 |
} |
802 |
} |
803 |
|
804 |
/** |
805 |
* timed invokeAny(,,null) throws NPE |
806 |
*/ |
807 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
808 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
809 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
810 |
l.add(new StringTask()); |
811 |
try { |
812 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
813 |
shouldThrow(); |
814 |
} catch (NullPointerException success) { |
815 |
} finally { |
816 |
joinPool(e); |
817 |
} |
818 |
} |
819 |
|
820 |
/** |
821 |
* timed invokeAny(empty collection) throws IAE |
822 |
*/ |
823 |
public void testTimedInvokeAny2() throws Exception { |
824 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
825 |
try { |
826 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
827 |
shouldThrow(); |
828 |
} catch (IllegalArgumentException success) { |
829 |
} finally { |
830 |
joinPool(e); |
831 |
} |
832 |
} |
833 |
|
834 |
/** |
835 |
* timed invokeAny(c) throws NPE if c has null elements |
836 |
*/ |
837 |
public void testTimedInvokeAny3() throws Exception { |
838 |
CountDownLatch latch = new CountDownLatch(1); |
839 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
840 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
841 |
l.add(latchAwaitingStringTask(latch)); |
842 |
l.add(null); |
843 |
try { |
844 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
845 |
shouldThrow(); |
846 |
} catch (NullPointerException success) { |
847 |
} finally { |
848 |
latch.countDown(); |
849 |
joinPool(e); |
850 |
} |
851 |
} |
852 |
|
853 |
/** |
854 |
* timed invokeAny(c) throws ExecutionException if no task completes |
855 |
*/ |
856 |
public void testTimedInvokeAny4() throws Exception { |
857 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
858 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
859 |
l.add(new NPETask()); |
860 |
try { |
861 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
862 |
shouldThrow(); |
863 |
} catch (ExecutionException success) { |
864 |
assertTrue(success.getCause() instanceof NullPointerException); |
865 |
} finally { |
866 |
joinPool(e); |
867 |
} |
868 |
} |
869 |
|
870 |
/** |
871 |
* timed invokeAny(c) returns result of some task |
872 |
*/ |
873 |
public void testTimedInvokeAny5() throws Exception { |
874 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
875 |
try { |
876 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
877 |
l.add(new StringTask()); |
878 |
l.add(new StringTask()); |
879 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
880 |
assertSame(TEST_STRING, result); |
881 |
} finally { |
882 |
joinPool(e); |
883 |
} |
884 |
} |
885 |
|
886 |
/** |
887 |
* timed invokeAll(null) throws NPE |
888 |
*/ |
889 |
public void testTimedInvokeAll1() throws Exception { |
890 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
891 |
try { |
892 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
893 |
shouldThrow(); |
894 |
} catch (NullPointerException success) { |
895 |
} finally { |
896 |
joinPool(e); |
897 |
} |
898 |
} |
899 |
|
900 |
/** |
901 |
* timed invokeAll(,,null) throws NPE |
902 |
*/ |
903 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
904 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
905 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
906 |
l.add(new StringTask()); |
907 |
try { |
908 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
909 |
shouldThrow(); |
910 |
} catch (NullPointerException success) { |
911 |
} finally { |
912 |
joinPool(e); |
913 |
} |
914 |
} |
915 |
|
916 |
/** |
917 |
* timed invokeAll(empty collection) returns empty collection |
918 |
*/ |
919 |
public void testTimedInvokeAll2() throws Exception { |
920 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
921 |
try { |
922 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
923 |
assertTrue(r.isEmpty()); |
924 |
} finally { |
925 |
joinPool(e); |
926 |
} |
927 |
} |
928 |
|
929 |
/** |
930 |
* timed invokeAll(c) throws NPE if c has null elements |
931 |
*/ |
932 |
public void testTimedInvokeAll3() throws Exception { |
933 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
934 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
935 |
l.add(new StringTask()); |
936 |
l.add(null); |
937 |
try { |
938 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
939 |
shouldThrow(); |
940 |
} catch (NullPointerException success) { |
941 |
} finally { |
942 |
joinPool(e); |
943 |
} |
944 |
} |
945 |
|
946 |
/** |
947 |
* get of element of invokeAll(c) throws exception on failed task |
948 |
*/ |
949 |
public void testTimedInvokeAll4() throws Exception { |
950 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
951 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
952 |
l.add(new NPETask()); |
953 |
List<Future<String>> futures = |
954 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
955 |
assertEquals(1, futures.size()); |
956 |
try { |
957 |
futures.get(0).get(); |
958 |
shouldThrow(); |
959 |
} catch (ExecutionException success) { |
960 |
assertTrue(success.getCause() instanceof NullPointerException); |
961 |
} finally { |
962 |
joinPool(e); |
963 |
} |
964 |
} |
965 |
|
966 |
/** |
967 |
* timed invokeAll(c) returns results of all completed tasks |
968 |
*/ |
969 |
public void testTimedInvokeAll5() throws Exception { |
970 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
971 |
try { |
972 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
973 |
l.add(new StringTask()); |
974 |
l.add(new StringTask()); |
975 |
List<Future<String>> futures = |
976 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
977 |
assertEquals(2, futures.size()); |
978 |
for (Future<String> future : futures) |
979 |
assertSame(TEST_STRING, future.get()); |
980 |
} finally { |
981 |
joinPool(e); |
982 |
} |
983 |
} |
984 |
|
985 |
/** |
986 |
* timed invokeAll(c) cancels tasks not completed by timeout |
987 |
*/ |
988 |
public void testTimedInvokeAll6() throws Exception { |
989 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
990 |
try { |
991 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
992 |
l.add(new StringTask()); |
993 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
994 |
l.add(new StringTask()); |
995 |
List<Future<String>> futures = |
996 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
997 |
assertEquals(3, futures.size()); |
998 |
Iterator<Future<String>> it = futures.iterator(); |
999 |
Future<String> f1 = it.next(); |
1000 |
Future<String> f2 = it.next(); |
1001 |
Future<String> f3 = it.next(); |
1002 |
assertTrue(f1.isDone()); |
1003 |
assertTrue(f2.isDone()); |
1004 |
assertTrue(f3.isDone()); |
1005 |
assertFalse(f1.isCancelled()); |
1006 |
assertTrue(f2.isCancelled()); |
1007 |
} finally { |
1008 |
joinPool(e); |
1009 |
} |
1010 |
} |
1011 |
|
1012 |
|
1013 |
} |