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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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*/ |
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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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|
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public class ScheduledExecutorSubclassTest 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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} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorSubclassTest.class); |
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} |
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|
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static class CustomTask<V> implements RunnableScheduledFuture<V> { |
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RunnableScheduledFuture<V> task; |
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volatile boolean ran; |
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CustomTask(RunnableScheduledFuture<V> t) { task = t; } |
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public boolean isPeriodic() { return task.isPeriodic(); } |
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public void run() { |
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ran = true; |
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task.run(); |
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} |
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public long getDelay(TimeUnit unit) { return task.getDelay(unit); } |
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public int compareTo(Delayed t) { |
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return task.compareTo(((CustomTask)t).task); |
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} |
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public boolean cancel(boolean mayInterruptIfRunning) { |
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return task.cancel(mayInterruptIfRunning); |
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} |
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public boolean isCancelled() { return task.isCancelled(); } |
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public boolean isDone() { return task.isDone(); } |
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public V get() throws InterruptedException, ExecutionException { |
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V v = task.get(); |
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assertTrue(ran); |
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return v; |
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} |
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public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
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V v = task.get(time, unit); |
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assertTrue(ran); |
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return v; |
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} |
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} |
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|
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|
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public class CustomExecutor extends ScheduledThreadPoolExecutor { |
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|
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protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
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return new CustomTask<V>(task); |
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} |
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|
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protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) { |
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return new CustomTask<V>(task); |
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} |
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CustomExecutor(int corePoolSize) { super(corePoolSize);} |
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CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) { |
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super(corePoolSize, handler); |
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} |
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|
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CustomExecutor(int corePoolSize, ThreadFactory threadFactory) { |
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super(corePoolSize, threadFactory); |
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} |
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CustomExecutor(int corePoolSize, ThreadFactory threadFactory, |
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RejectedExecutionHandler handler) { |
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super(corePoolSize, threadFactory, handler); |
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} |
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|
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} |
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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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CustomExecutor p1 = new CustomExecutor(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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} |
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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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor p1 = new CustomExecutor(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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CustomExecutor se = new CustomExecutor(1); |
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try { |
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se.execute(null); |
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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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* schedule (null) throws NPE |
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*/ |
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public void testScheduleNull() throws InterruptedException { |
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CustomExecutor se = new CustomExecutor(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() { |
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CustomExecutor se = new CustomExecutor(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) { |
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} 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() { |
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CustomExecutor se = new CustomExecutor(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() { |
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CustomExecutor se = new CustomExecutor(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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* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
269 |
*/ |
270 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(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); |
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shouldThrow(); |
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} catch (RejectedExecutionException success) { |
278 |
} 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 |
285 |
*/ |
286 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
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CustomExecutor se = new CustomExecutor(1); |
288 |
try { |
289 |
se.shutdown(); |
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se.scheduleWithFixedDelay(new NoOpRunnable(), |
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MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
292 |
shouldThrow(); |
293 |
} 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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|
299 |
/** |
300 |
* getActiveCount increases but doesn't overestimate, when a |
301 |
* thread becomes active |
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*/ |
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public void testGetActiveCount() throws InterruptedException { |
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CustomExecutor p2 = new CustomExecutor(2); |
305 |
assertEquals(0, p2.getActiveCount()); |
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p2.execute(new SmallRunnable()); |
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Thread.sleep(SHORT_DELAY_MS); |
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assertEquals(1, p2.getActiveCount()); |
309 |
joinPool(p2); |
310 |
} |
311 |
|
312 |
/** |
313 |
* getCompletedTaskCount increases, but doesn't overestimate, |
314 |
* when tasks complete |
315 |
*/ |
316 |
public void testGetCompletedTaskCount()throws InterruptedException { |
317 |
CustomExecutor p2 = new CustomExecutor(2); |
318 |
assertEquals(0, p2.getCompletedTaskCount()); |
319 |
p2.execute(new SmallRunnable()); |
320 |
Thread.sleep(MEDIUM_DELAY_MS); |
321 |
assertEquals(1, p2.getCompletedTaskCount()); |
322 |
joinPool(p2); |
323 |
} |
324 |
|
325 |
/** |
326 |
* getCorePoolSize returns size given in constructor if not otherwise set |
327 |
*/ |
328 |
public void testGetCorePoolSize() { |
329 |
CustomExecutor p1 = new CustomExecutor(1); |
330 |
assertEquals(1, p1.getCorePoolSize()); |
331 |
joinPool(p1); |
332 |
} |
333 |
|
334 |
/** |
335 |
* getLargestPoolSize increases, but doesn't overestimate, when |
336 |
* multiple threads active |
337 |
*/ |
338 |
public void testGetLargestPoolSize() throws InterruptedException { |
339 |
CustomExecutor p2 = new CustomExecutor(2); |
340 |
assertEquals(0, p2.getLargestPoolSize()); |
341 |
p2.execute(new SmallRunnable()); |
342 |
p2.execute(new SmallRunnable()); |
343 |
Thread.sleep(SHORT_DELAY_MS); |
344 |
assertEquals(2, p2.getLargestPoolSize()); |
345 |
joinPool(p2); |
346 |
} |
347 |
|
348 |
/** |
349 |
* getPoolSize increases, but doesn't overestimate, when threads |
350 |
* become active |
351 |
*/ |
352 |
public void testGetPoolSize() { |
353 |
CustomExecutor p1 = new CustomExecutor(1); |
354 |
assertEquals(0, p1.getPoolSize()); |
355 |
p1.execute(new SmallRunnable()); |
356 |
assertEquals(1, p1.getPoolSize()); |
357 |
joinPool(p1); |
358 |
} |
359 |
|
360 |
/** |
361 |
* getTaskCount increases, but doesn't overestimate, when tasks |
362 |
* submitted |
363 |
*/ |
364 |
public void testGetTaskCount() throws InterruptedException { |
365 |
CustomExecutor p1 = new CustomExecutor(1); |
366 |
assertEquals(0, p1.getTaskCount()); |
367 |
for (int i = 0; i < 5; i++) |
368 |
p1.execute(new SmallRunnable()); |
369 |
Thread.sleep(SHORT_DELAY_MS); |
370 |
assertEquals(5, p1.getTaskCount()); |
371 |
joinPool(p1); |
372 |
} |
373 |
|
374 |
/** |
375 |
* getThreadFactory returns factory in constructor if not set |
376 |
*/ |
377 |
public void testGetThreadFactory() { |
378 |
ThreadFactory tf = new SimpleThreadFactory(); |
379 |
CustomExecutor p = new CustomExecutor(1, tf); |
380 |
assertSame(tf, p.getThreadFactory()); |
381 |
joinPool(p); |
382 |
} |
383 |
|
384 |
/** |
385 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
386 |
*/ |
387 |
public void testSetThreadFactory() { |
388 |
ThreadFactory tf = new SimpleThreadFactory(); |
389 |
CustomExecutor p = new CustomExecutor(1); |
390 |
p.setThreadFactory(tf); |
391 |
assertSame(tf, p.getThreadFactory()); |
392 |
joinPool(p); |
393 |
} |
394 |
|
395 |
/** |
396 |
* setThreadFactory(null) throws NPE |
397 |
*/ |
398 |
public void testSetThreadFactoryNull() { |
399 |
CustomExecutor p = new CustomExecutor(1); |
400 |
try { |
401 |
p.setThreadFactory(null); |
402 |
shouldThrow(); |
403 |
} catch (NullPointerException success) { |
404 |
} finally { |
405 |
joinPool(p); |
406 |
} |
407 |
} |
408 |
|
409 |
/** |
410 |
* is isShutDown is false before shutdown, true after |
411 |
*/ |
412 |
public void testIsShutdown() { |
413 |
CustomExecutor p1 = new CustomExecutor(1); |
414 |
try { |
415 |
assertFalse(p1.isShutdown()); |
416 |
} |
417 |
finally { |
418 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
419 |
} |
420 |
assertTrue(p1.isShutdown()); |
421 |
} |
422 |
|
423 |
|
424 |
/** |
425 |
* isTerminated is false before termination, true after |
426 |
*/ |
427 |
public void testIsTerminated() throws InterruptedException { |
428 |
CustomExecutor p1 = new CustomExecutor(1); |
429 |
try { |
430 |
p1.execute(new SmallRunnable()); |
431 |
} finally { |
432 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
433 |
} |
434 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
435 |
assertTrue(p1.isTerminated()); |
436 |
} |
437 |
|
438 |
/** |
439 |
* isTerminating is not true when running or when terminated |
440 |
*/ |
441 |
public void testIsTerminating() throws InterruptedException { |
442 |
CustomExecutor p1 = new CustomExecutor(1); |
443 |
assertFalse(p1.isTerminating()); |
444 |
try { |
445 |
p1.execute(new SmallRunnable()); |
446 |
assertFalse(p1.isTerminating()); |
447 |
} finally { |
448 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
449 |
} |
450 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
451 |
assertTrue(p1.isTerminated()); |
452 |
assertFalse(p1.isTerminating()); |
453 |
} |
454 |
|
455 |
/** |
456 |
* getQueue returns the work queue, which contains queued tasks |
457 |
*/ |
458 |
public void testGetQueue() throws InterruptedException { |
459 |
CustomExecutor p1 = new CustomExecutor(1); |
460 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
461 |
for (int i = 0; i < 5; i++) { |
462 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
463 |
} |
464 |
try { |
465 |
Thread.sleep(SHORT_DELAY_MS); |
466 |
BlockingQueue<Runnable> q = p1.getQueue(); |
467 |
assertTrue(q.contains(tasks[4])); |
468 |
assertFalse(q.contains(tasks[0])); |
469 |
} finally { |
470 |
joinPool(p1); |
471 |
} |
472 |
} |
473 |
|
474 |
/** |
475 |
* remove(task) removes queued task, and fails to remove active task |
476 |
*/ |
477 |
public void testRemove() throws InterruptedException { |
478 |
CustomExecutor p1 = new CustomExecutor(1); |
479 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
480 |
for (int i = 0; i < 5; i++) { |
481 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, MILLISECONDS); |
482 |
} |
483 |
try { |
484 |
Thread.sleep(SHORT_DELAY_MS); |
485 |
BlockingQueue<Runnable> q = p1.getQueue(); |
486 |
assertFalse(p1.remove((Runnable)tasks[0])); |
487 |
assertTrue(q.contains((Runnable)tasks[4])); |
488 |
assertTrue(q.contains((Runnable)tasks[3])); |
489 |
assertTrue(p1.remove((Runnable)tasks[4])); |
490 |
assertFalse(p1.remove((Runnable)tasks[4])); |
491 |
assertFalse(q.contains((Runnable)tasks[4])); |
492 |
assertTrue(q.contains((Runnable)tasks[3])); |
493 |
assertTrue(p1.remove((Runnable)tasks[3])); |
494 |
assertFalse(q.contains((Runnable)tasks[3])); |
495 |
} finally { |
496 |
joinPool(p1); |
497 |
} |
498 |
} |
499 |
|
500 |
/** |
501 |
* purge removes cancelled tasks from the queue |
502 |
*/ |
503 |
public void testPurge() throws InterruptedException { |
504 |
CustomExecutor p1 = new CustomExecutor(1); |
505 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
506 |
for (int i = 0; i < 5; i++) { |
507 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
508 |
} |
509 |
try { |
510 |
int max = 5; |
511 |
if (tasks[4].cancel(true)) --max; |
512 |
if (tasks[3].cancel(true)) --max; |
513 |
// There must eventually be an interference-free point at |
514 |
// which purge will not fail. (At worst, when queue is empty.) |
515 |
int k; |
516 |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
517 |
p1.purge(); |
518 |
long count = p1.getTaskCount(); |
519 |
if (count >= 0 && count <= max) |
520 |
break; |
521 |
Thread.sleep(1); |
522 |
} |
523 |
assertTrue(k < SMALL_DELAY_MS); |
524 |
} finally { |
525 |
joinPool(p1); |
526 |
} |
527 |
} |
528 |
|
529 |
/** |
530 |
* shutDownNow returns a list containing tasks that were not run |
531 |
*/ |
532 |
public void testShutDownNow() { |
533 |
CustomExecutor p1 = new CustomExecutor(1); |
534 |
for (int i = 0; i < 5; i++) |
535 |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
536 |
List l; |
537 |
try { |
538 |
l = p1.shutdownNow(); |
539 |
} catch (SecurityException ok) { |
540 |
return; |
541 |
} |
542 |
assertTrue(p1.isShutdown()); |
543 |
assertTrue(l.size() > 0 && l.size() <= 5); |
544 |
joinPool(p1); |
545 |
} |
546 |
|
547 |
/** |
548 |
* In default setting, shutdown cancels periodic but not delayed |
549 |
* tasks at shutdown |
550 |
*/ |
551 |
public void testShutDown1() throws InterruptedException { |
552 |
CustomExecutor p1 = new CustomExecutor(1); |
553 |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
554 |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
555 |
|
556 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
557 |
for (int i = 0; i < 5; i++) |
558 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
559 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
560 |
BlockingQueue q = p1.getQueue(); |
561 |
for (Iterator it = q.iterator(); it.hasNext();) { |
562 |
ScheduledFuture t = (ScheduledFuture)it.next(); |
563 |
assertFalse(t.isCancelled()); |
564 |
} |
565 |
assertTrue(p1.isShutdown()); |
566 |
Thread.sleep(SMALL_DELAY_MS); |
567 |
for (int i = 0; i < 5; ++i) { |
568 |
assertTrue(tasks[i].isDone()); |
569 |
assertFalse(tasks[i].isCancelled()); |
570 |
} |
571 |
} |
572 |
|
573 |
|
574 |
/** |
575 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
576 |
* delayed tasks are cancelled at shutdown |
577 |
*/ |
578 |
public void testShutDown2() throws InterruptedException { |
579 |
CustomExecutor p1 = new CustomExecutor(1); |
580 |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
581 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
582 |
for (int i = 0; i < 5; i++) |
583 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
584 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
585 |
assertTrue(p1.isShutdown()); |
586 |
BlockingQueue q = p1.getQueue(); |
587 |
assertTrue(q.isEmpty()); |
588 |
Thread.sleep(SMALL_DELAY_MS); |
589 |
assertTrue(p1.isTerminated()); |
590 |
} |
591 |
|
592 |
|
593 |
/** |
594 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
595 |
* periodic tasks are not cancelled at shutdown |
596 |
*/ |
597 |
public void testShutDown3() throws InterruptedException { |
598 |
CustomExecutor p1 = new CustomExecutor(1); |
599 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
600 |
ScheduledFuture task = |
601 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
602 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
603 |
assertTrue(p1.isShutdown()); |
604 |
BlockingQueue q = p1.getQueue(); |
605 |
assertTrue(q.isEmpty()); |
606 |
Thread.sleep(SHORT_DELAY_MS); |
607 |
assertTrue(p1.isTerminated()); |
608 |
} |
609 |
|
610 |
/** |
611 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
612 |
* periodic tasks are cancelled at shutdown |
613 |
*/ |
614 |
public void testShutDown4() throws InterruptedException { |
615 |
CustomExecutor p1 = new CustomExecutor(1); |
616 |
try { |
617 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
618 |
ScheduledFuture task = |
619 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, MILLISECONDS); |
620 |
assertFalse(task.isCancelled()); |
621 |
try { p1.shutdown(); } catch (SecurityException ok) { return; } |
622 |
assertFalse(task.isCancelled()); |
623 |
assertFalse(p1.isTerminated()); |
624 |
assertTrue(p1.isShutdown()); |
625 |
Thread.sleep(SHORT_DELAY_MS); |
626 |
assertFalse(task.isCancelled()); |
627 |
assertTrue(task.cancel(true)); |
628 |
assertTrue(task.isDone()); |
629 |
Thread.sleep(SHORT_DELAY_MS); |
630 |
assertTrue(p1.isTerminated()); |
631 |
} |
632 |
finally { |
633 |
joinPool(p1); |
634 |
} |
635 |
} |
636 |
|
637 |
/** |
638 |
* completed submit of callable returns result |
639 |
*/ |
640 |
public void testSubmitCallable() throws Exception { |
641 |
ExecutorService e = new CustomExecutor(2); |
642 |
try { |
643 |
Future<String> future = e.submit(new StringTask()); |
644 |
String result = future.get(); |
645 |
assertSame(TEST_STRING, result); |
646 |
} finally { |
647 |
joinPool(e); |
648 |
} |
649 |
} |
650 |
|
651 |
/** |
652 |
* completed submit of runnable returns successfully |
653 |
*/ |
654 |
public void testSubmitRunnable() throws Exception { |
655 |
ExecutorService e = new CustomExecutor(2); |
656 |
try { |
657 |
Future<?> future = e.submit(new NoOpRunnable()); |
658 |
future.get(); |
659 |
assertTrue(future.isDone()); |
660 |
} finally { |
661 |
joinPool(e); |
662 |
} |
663 |
} |
664 |
|
665 |
/** |
666 |
* completed submit of (runnable, result) returns result |
667 |
*/ |
668 |
public void testSubmitRunnable2() throws Exception { |
669 |
ExecutorService e = new CustomExecutor(2); |
670 |
try { |
671 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
672 |
String result = future.get(); |
673 |
assertSame(TEST_STRING, result); |
674 |
} finally { |
675 |
joinPool(e); |
676 |
} |
677 |
} |
678 |
|
679 |
/** |
680 |
* invokeAny(null) throws NPE |
681 |
*/ |
682 |
public void testInvokeAny1() throws Exception { |
683 |
ExecutorService e = new CustomExecutor(2); |
684 |
try { |
685 |
e.invokeAny(null); |
686 |
shouldThrow(); |
687 |
} catch (NullPointerException success) { |
688 |
} finally { |
689 |
joinPool(e); |
690 |
} |
691 |
} |
692 |
|
693 |
/** |
694 |
* invokeAny(empty collection) throws IAE |
695 |
*/ |
696 |
public void testInvokeAny2() throws Exception { |
697 |
ExecutorService e = new CustomExecutor(2); |
698 |
try { |
699 |
e.invokeAny(new ArrayList<Callable<String>>()); |
700 |
shouldThrow(); |
701 |
} catch (IllegalArgumentException success) { |
702 |
} finally { |
703 |
joinPool(e); |
704 |
} |
705 |
} |
706 |
|
707 |
/** |
708 |
* invokeAny(c) throws NPE if c has null elements |
709 |
*/ |
710 |
public void testInvokeAny3() throws Exception { |
711 |
final CountDownLatch latch = new CountDownLatch(1); |
712 |
ExecutorService e = new CustomExecutor(2); |
713 |
try { |
714 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
715 |
l.add(new Callable<String>() { |
716 |
public String call() { |
717 |
try { |
718 |
latch.await(); |
719 |
} catch (InterruptedException ok) {} |
720 |
return TEST_STRING; |
721 |
}}); |
722 |
l.add(null); |
723 |
e.invokeAny(l); |
724 |
shouldThrow(); |
725 |
} catch (NullPointerException success) { |
726 |
} finally { |
727 |
latch.countDown(); |
728 |
joinPool(e); |
729 |
} |
730 |
} |
731 |
|
732 |
/** |
733 |
* invokeAny(c) throws ExecutionException if no task completes |
734 |
*/ |
735 |
public void testInvokeAny4() throws Exception { |
736 |
ExecutorService e = new CustomExecutor(2); |
737 |
try { |
738 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
739 |
l.add(new NPETask()); |
740 |
e.invokeAny(l); |
741 |
shouldThrow(); |
742 |
} catch (ExecutionException success) { |
743 |
assertTrue(success.getCause() instanceof NullPointerException); |
744 |
} finally { |
745 |
joinPool(e); |
746 |
} |
747 |
} |
748 |
|
749 |
/** |
750 |
* invokeAny(c) returns result of some task |
751 |
*/ |
752 |
public void testInvokeAny5() throws Exception { |
753 |
ExecutorService e = new CustomExecutor(2); |
754 |
try { |
755 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
756 |
l.add(new StringTask()); |
757 |
l.add(new StringTask()); |
758 |
String result = e.invokeAny(l); |
759 |
assertSame(TEST_STRING, result); |
760 |
} finally { |
761 |
joinPool(e); |
762 |
} |
763 |
} |
764 |
|
765 |
/** |
766 |
* invokeAll(null) throws NPE |
767 |
*/ |
768 |
public void testInvokeAll1() throws Exception { |
769 |
ExecutorService e = new CustomExecutor(2); |
770 |
try { |
771 |
e.invokeAll(null); |
772 |
shouldThrow(); |
773 |
} catch (NullPointerException success) { |
774 |
} finally { |
775 |
joinPool(e); |
776 |
} |
777 |
} |
778 |
|
779 |
/** |
780 |
* invokeAll(empty collection) returns empty collection |
781 |
*/ |
782 |
public void testInvokeAll2() throws Exception { |
783 |
ExecutorService e = new CustomExecutor(2); |
784 |
try { |
785 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
786 |
assertTrue(r.isEmpty()); |
787 |
} finally { |
788 |
joinPool(e); |
789 |
} |
790 |
} |
791 |
|
792 |
/** |
793 |
* invokeAll(c) throws NPE if c has null elements |
794 |
*/ |
795 |
public void testInvokeAll3() throws Exception { |
796 |
ExecutorService e = new CustomExecutor(2); |
797 |
try { |
798 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
799 |
l.add(new StringTask()); |
800 |
l.add(null); |
801 |
e.invokeAll(l); |
802 |
shouldThrow(); |
803 |
} catch (NullPointerException success) { |
804 |
} finally { |
805 |
joinPool(e); |
806 |
} |
807 |
} |
808 |
|
809 |
/** |
810 |
* get of invokeAll(c) throws exception on failed task |
811 |
*/ |
812 |
public void testInvokeAll4() throws Exception { |
813 |
ExecutorService e = new CustomExecutor(2); |
814 |
try { |
815 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
816 |
l.add(new NPETask()); |
817 |
List<Future<String>> result = e.invokeAll(l); |
818 |
assertEquals(1, result.size()); |
819 |
for (Future<String> future : result) |
820 |
future.get(); |
821 |
shouldThrow(); |
822 |
} catch (ExecutionException success) { |
823 |
assertTrue(success.getCause() instanceof NullPointerException); |
824 |
} finally { |
825 |
joinPool(e); |
826 |
} |
827 |
} |
828 |
|
829 |
/** |
830 |
* invokeAll(c) returns results of all completed tasks |
831 |
*/ |
832 |
public void testInvokeAll5() throws Exception { |
833 |
ExecutorService e = new CustomExecutor(2); |
834 |
try { |
835 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
836 |
l.add(new StringTask()); |
837 |
l.add(new StringTask()); |
838 |
List<Future<String>> result = e.invokeAll(l); |
839 |
assertEquals(2, result.size()); |
840 |
for (Future<String> future : result) |
841 |
assertSame(TEST_STRING, future.get()); |
842 |
} finally { |
843 |
joinPool(e); |
844 |
} |
845 |
} |
846 |
|
847 |
/** |
848 |
* timed invokeAny(null) throws NPE |
849 |
*/ |
850 |
public void testTimedInvokeAny1() throws Exception { |
851 |
ExecutorService e = new CustomExecutor(2); |
852 |
try { |
853 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
854 |
shouldThrow(); |
855 |
} catch (NullPointerException success) { |
856 |
} finally { |
857 |
joinPool(e); |
858 |
} |
859 |
} |
860 |
|
861 |
/** |
862 |
* timed invokeAny(,,null) throws NPE |
863 |
*/ |
864 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
865 |
ExecutorService e = new CustomExecutor(2); |
866 |
try { |
867 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
868 |
l.add(new StringTask()); |
869 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
870 |
shouldThrow(); |
871 |
} catch (NullPointerException success) { |
872 |
} finally { |
873 |
joinPool(e); |
874 |
} |
875 |
} |
876 |
|
877 |
/** |
878 |
* timed invokeAny(empty collection) throws IAE |
879 |
*/ |
880 |
public void testTimedInvokeAny2() throws Exception { |
881 |
ExecutorService e = new CustomExecutor(2); |
882 |
try { |
883 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
884 |
shouldThrow(); |
885 |
} catch (IllegalArgumentException success) { |
886 |
} finally { |
887 |
joinPool(e); |
888 |
} |
889 |
} |
890 |
|
891 |
/** |
892 |
* timed invokeAny(c) throws NPE if c has null elements |
893 |
*/ |
894 |
public void testTimedInvokeAny3() throws Exception { |
895 |
final CountDownLatch latch = new CountDownLatch(1); |
896 |
ExecutorService e = new CustomExecutor(2); |
897 |
try { |
898 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
899 |
l.add(new Callable<String>() { |
900 |
public String call() { |
901 |
try { |
902 |
latch.await(); |
903 |
} catch (InterruptedException ok) {} |
904 |
return TEST_STRING; |
905 |
}}); |
906 |
l.add(null); |
907 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
908 |
shouldThrow(); |
909 |
} catch (NullPointerException success) { |
910 |
} finally { |
911 |
latch.countDown(); |
912 |
joinPool(e); |
913 |
} |
914 |
} |
915 |
|
916 |
/** |
917 |
* timed invokeAny(c) throws ExecutionException if no task completes |
918 |
*/ |
919 |
public void testTimedInvokeAny4() throws Exception { |
920 |
ExecutorService e = new CustomExecutor(2); |
921 |
try { |
922 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
923 |
l.add(new NPETask()); |
924 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
925 |
shouldThrow(); |
926 |
} catch (ExecutionException success) { |
927 |
assertTrue(success.getCause() instanceof NullPointerException); |
928 |
} finally { |
929 |
joinPool(e); |
930 |
} |
931 |
} |
932 |
|
933 |
/** |
934 |
* timed invokeAny(c) returns result of some task |
935 |
*/ |
936 |
public void testTimedInvokeAny5() throws Exception { |
937 |
ExecutorService e = new CustomExecutor(2); |
938 |
try { |
939 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
940 |
l.add(new StringTask()); |
941 |
l.add(new StringTask()); |
942 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
943 |
assertSame(TEST_STRING, result); |
944 |
} finally { |
945 |
joinPool(e); |
946 |
} |
947 |
} |
948 |
|
949 |
/** |
950 |
* timed invokeAll(null) throws NPE |
951 |
*/ |
952 |
public void testTimedInvokeAll1() throws Exception { |
953 |
ExecutorService e = new CustomExecutor(2); |
954 |
try { |
955 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
956 |
shouldThrow(); |
957 |
} catch (NullPointerException success) { |
958 |
} finally { |
959 |
joinPool(e); |
960 |
} |
961 |
} |
962 |
|
963 |
/** |
964 |
* timed invokeAll(,,null) throws NPE |
965 |
*/ |
966 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
967 |
ExecutorService e = new CustomExecutor(2); |
968 |
try { |
969 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
970 |
l.add(new StringTask()); |
971 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
972 |
shouldThrow(); |
973 |
} catch (NullPointerException success) { |
974 |
} finally { |
975 |
joinPool(e); |
976 |
} |
977 |
} |
978 |
|
979 |
/** |
980 |
* timed invokeAll(empty collection) returns empty collection |
981 |
*/ |
982 |
public void testTimedInvokeAll2() throws Exception { |
983 |
ExecutorService e = new CustomExecutor(2); |
984 |
try { |
985 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
986 |
assertTrue(r.isEmpty()); |
987 |
} finally { |
988 |
joinPool(e); |
989 |
} |
990 |
} |
991 |
|
992 |
/** |
993 |
* timed invokeAll(c) throws NPE if c has null elements |
994 |
*/ |
995 |
public void testTimedInvokeAll3() throws Exception { |
996 |
ExecutorService e = new CustomExecutor(2); |
997 |
try { |
998 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
999 |
l.add(new StringTask()); |
1000 |
l.add(null); |
1001 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1002 |
shouldThrow(); |
1003 |
} catch (NullPointerException success) { |
1004 |
} finally { |
1005 |
joinPool(e); |
1006 |
} |
1007 |
} |
1008 |
|
1009 |
/** |
1010 |
* get of element of invokeAll(c) throws exception on failed task |
1011 |
*/ |
1012 |
public void testTimedInvokeAll4() throws Exception { |
1013 |
ExecutorService e = new CustomExecutor(2); |
1014 |
try { |
1015 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1016 |
l.add(new NPETask()); |
1017 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1018 |
assertEquals(1, result.size()); |
1019 |
for (Future<String> future : result) |
1020 |
future.get(); |
1021 |
shouldThrow(); |
1022 |
} catch (ExecutionException success) { |
1023 |
assertTrue(success.getCause() instanceof NullPointerException); |
1024 |
} finally { |
1025 |
joinPool(e); |
1026 |
} |
1027 |
} |
1028 |
|
1029 |
/** |
1030 |
* timed invokeAll(c) returns results of all completed tasks |
1031 |
*/ |
1032 |
public void testTimedInvokeAll5() throws Exception { |
1033 |
ExecutorService e = new CustomExecutor(2); |
1034 |
try { |
1035 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1036 |
l.add(new StringTask()); |
1037 |
l.add(new StringTask()); |
1038 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1039 |
assertEquals(2, result.size()); |
1040 |
for (Future<String> future : result) |
1041 |
assertSame(TEST_STRING, future.get()); |
1042 |
} finally { |
1043 |
joinPool(e); |
1044 |
} |
1045 |
} |
1046 |
|
1047 |
/** |
1048 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1049 |
*/ |
1050 |
public void testTimedInvokeAll6() throws Exception { |
1051 |
ExecutorService e = new CustomExecutor(2); |
1052 |
try { |
1053 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1054 |
l.add(new StringTask()); |
1055 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1056 |
l.add(new StringTask()); |
1057 |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1058 |
assertEquals(3, result.size()); |
1059 |
Iterator<Future<String>> it = result.iterator(); |
1060 |
Future<String> f1 = it.next(); |
1061 |
Future<String> f2 = it.next(); |
1062 |
Future<String> f3 = it.next(); |
1063 |
assertTrue(f1.isDone()); |
1064 |
assertTrue(f2.isDone()); |
1065 |
assertTrue(f3.isDone()); |
1066 |
assertFalse(f1.isCancelled()); |
1067 |
assertTrue(f2.isCancelled()); |
1068 |
} finally { |
1069 |
joinPool(e); |
1070 |
} |
1071 |
} |
1072 |
|
1073 |
} |