1 |
/* |
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* 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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*/ |
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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 java.util.concurrent.atomic.*; |
11 |
|
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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()); |
15 |
} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
18 |
} |
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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 |
79 |
*/ |
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public void testExecute() { |
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try { |
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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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try { |
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Thread.sleep(MEDIUM_DELAY_MS); |
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} catch(InterruptedException e){ |
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unexpectedException(); |
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} |
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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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catch(Exception e){ |
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unexpectedException(); |
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} |
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|
101 |
} |
102 |
|
103 |
|
104 |
/** |
105 |
* delayed schedule of callable successfully executes after delay |
106 |
*/ |
107 |
public void testSchedule1() { |
108 |
try { |
109 |
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, TimeUnit.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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} catch(RejectedExecutionException e){} |
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catch(Exception e){ |
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e.printStackTrace(); |
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unexpectedException(); |
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} |
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} |
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|
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/** |
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* delayed schedule of runnable successfully executes after delay |
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*/ |
128 |
public void testSchedule3() { |
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try { |
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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, TimeUnit.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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} catch(Exception e){ |
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unexpectedException(); |
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} |
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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() { |
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try { |
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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, TimeUnit.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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} catch(Exception e){ |
158 |
unexpectedException(); |
159 |
} |
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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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|
167 |
/** |
168 |
* scheduleWithFixedDelay executes runnable after given initial delay |
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*/ |
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public void testSchedule5() { |
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try { |
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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, TimeUnit.MILLISECONDS); |
175 |
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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} catch(Exception e){ |
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unexpectedException(); |
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} |
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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() { |
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try { |
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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, TimeUnit.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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} catch(Exception e){ |
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unexpectedException(); |
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} |
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} |
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|
207 |
/** |
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* scheduleWithFixedDelay executes series of tasks with given period |
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*/ |
210 |
public void testFixedDelaySequence() { |
211 |
try { |
212 |
CustomExecutor p1 = new CustomExecutor(1); |
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RunnableCounter counter = new RunnableCounter(); |
214 |
ScheduledFuture h = |
215 |
p1.scheduleWithFixedDelay(counter, 0, 1, TimeUnit.MILLISECONDS); |
216 |
Thread.sleep(SMALL_DELAY_MS); |
217 |
h.cancel(true); |
218 |
int c = counter.count.get(); |
219 |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
220 |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
221 |
joinPool(p1); |
222 |
} catch(Exception e){ |
223 |
unexpectedException(); |
224 |
} |
225 |
} |
226 |
|
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|
228 |
/** |
229 |
* execute (null) throws NPE |
230 |
*/ |
231 |
public void testExecuteNull() { |
232 |
CustomExecutor se = null; |
233 |
try { |
234 |
se = new CustomExecutor(1); |
235 |
se.execute(null); |
236 |
shouldThrow(); |
237 |
} catch(NullPointerException success){} |
238 |
catch(Exception e){ |
239 |
unexpectedException(); |
240 |
} |
241 |
|
242 |
joinPool(se); |
243 |
} |
244 |
|
245 |
/** |
246 |
* schedule (null) throws NPE |
247 |
*/ |
248 |
public void testScheduleNull() { |
249 |
CustomExecutor se = new CustomExecutor(1); |
250 |
try { |
251 |
TrackedCallable callable = null; |
252 |
Future f = se.schedule(callable, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
253 |
shouldThrow(); |
254 |
} catch(NullPointerException success){} |
255 |
catch(Exception e){ |
256 |
unexpectedException(); |
257 |
} |
258 |
joinPool(se); |
259 |
} |
260 |
|
261 |
/** |
262 |
* execute throws RejectedExecutionException if shutdown |
263 |
*/ |
264 |
public void testSchedule1_RejectedExecutionException() { |
265 |
CustomExecutor se = new CustomExecutor(1); |
266 |
try { |
267 |
se.shutdown(); |
268 |
se.schedule(new NoOpRunnable(), |
269 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
270 |
shouldThrow(); |
271 |
} catch(RejectedExecutionException success){ |
272 |
} catch (SecurityException ok) { |
273 |
} |
274 |
|
275 |
joinPool(se); |
276 |
|
277 |
} |
278 |
|
279 |
/** |
280 |
* schedule throws RejectedExecutionException if shutdown |
281 |
*/ |
282 |
public void testSchedule2_RejectedExecutionException() { |
283 |
CustomExecutor se = new CustomExecutor(1); |
284 |
try { |
285 |
se.shutdown(); |
286 |
se.schedule(new NoOpCallable(), |
287 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
288 |
shouldThrow(); |
289 |
} catch(RejectedExecutionException success){ |
290 |
} catch (SecurityException ok) { |
291 |
} |
292 |
joinPool(se); |
293 |
} |
294 |
|
295 |
/** |
296 |
* schedule callable throws RejectedExecutionException if shutdown |
297 |
*/ |
298 |
public void testSchedule3_RejectedExecutionException() { |
299 |
CustomExecutor se = new CustomExecutor(1); |
300 |
try { |
301 |
se.shutdown(); |
302 |
se.schedule(new NoOpCallable(), |
303 |
MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
304 |
shouldThrow(); |
305 |
} catch(RejectedExecutionException success){ |
306 |
} catch (SecurityException ok) { |
307 |
} |
308 |
joinPool(se); |
309 |
} |
310 |
|
311 |
/** |
312 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
313 |
*/ |
314 |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
315 |
CustomExecutor se = new CustomExecutor(1); |
316 |
try { |
317 |
se.shutdown(); |
318 |
se.scheduleAtFixedRate(new NoOpRunnable(), |
319 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
320 |
shouldThrow(); |
321 |
} catch(RejectedExecutionException success){ |
322 |
} catch (SecurityException ok) { |
323 |
} |
324 |
joinPool(se); |
325 |
} |
326 |
|
327 |
/** |
328 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
329 |
*/ |
330 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
331 |
CustomExecutor se = new CustomExecutor(1); |
332 |
try { |
333 |
se.shutdown(); |
334 |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
335 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
336 |
shouldThrow(); |
337 |
} catch(RejectedExecutionException success){ |
338 |
} catch (SecurityException ok) { |
339 |
} |
340 |
joinPool(se); |
341 |
} |
342 |
|
343 |
/** |
344 |
* getActiveCount increases but doesn't overestimate, when a |
345 |
* thread becomes active |
346 |
*/ |
347 |
public void testGetActiveCount() { |
348 |
CustomExecutor p2 = new CustomExecutor(2); |
349 |
assertEquals(0, p2.getActiveCount()); |
350 |
p2.execute(new SmallRunnable()); |
351 |
try { |
352 |
Thread.sleep(SHORT_DELAY_MS); |
353 |
} catch(Exception e){ |
354 |
unexpectedException(); |
355 |
} |
356 |
assertEquals(1, p2.getActiveCount()); |
357 |
joinPool(p2); |
358 |
} |
359 |
|
360 |
/** |
361 |
* getCompletedTaskCount increases, but doesn't overestimate, |
362 |
* when tasks complete |
363 |
*/ |
364 |
public void testGetCompletedTaskCount() { |
365 |
CustomExecutor p2 = new CustomExecutor(2); |
366 |
assertEquals(0, p2.getCompletedTaskCount()); |
367 |
p2.execute(new SmallRunnable()); |
368 |
try { |
369 |
Thread.sleep(MEDIUM_DELAY_MS); |
370 |
} catch(Exception e){ |
371 |
unexpectedException(); |
372 |
} |
373 |
assertEquals(1, p2.getCompletedTaskCount()); |
374 |
joinPool(p2); |
375 |
} |
376 |
|
377 |
/** |
378 |
* getCorePoolSize returns size given in constructor if not otherwise set |
379 |
*/ |
380 |
public void testGetCorePoolSize() { |
381 |
CustomExecutor p1 = new CustomExecutor(1); |
382 |
assertEquals(1, p1.getCorePoolSize()); |
383 |
joinPool(p1); |
384 |
} |
385 |
|
386 |
/** |
387 |
* getLargestPoolSize increases, but doesn't overestimate, when |
388 |
* multiple threads active |
389 |
*/ |
390 |
public void testGetLargestPoolSize() { |
391 |
CustomExecutor p2 = new CustomExecutor(2); |
392 |
assertEquals(0, p2.getLargestPoolSize()); |
393 |
p2.execute(new SmallRunnable()); |
394 |
p2.execute(new SmallRunnable()); |
395 |
try { |
396 |
Thread.sleep(SHORT_DELAY_MS); |
397 |
} catch(Exception e){ |
398 |
unexpectedException(); |
399 |
} |
400 |
assertEquals(2, p2.getLargestPoolSize()); |
401 |
joinPool(p2); |
402 |
} |
403 |
|
404 |
/** |
405 |
* getPoolSize increases, but doesn't overestimate, when threads |
406 |
* become active |
407 |
*/ |
408 |
public void testGetPoolSize() { |
409 |
CustomExecutor p1 = new CustomExecutor(1); |
410 |
assertEquals(0, p1.getPoolSize()); |
411 |
p1.execute(new SmallRunnable()); |
412 |
assertEquals(1, p1.getPoolSize()); |
413 |
joinPool(p1); |
414 |
} |
415 |
|
416 |
/** |
417 |
* getTaskCount increases, but doesn't overestimate, when tasks |
418 |
* submitted |
419 |
*/ |
420 |
public void testGetTaskCount() { |
421 |
CustomExecutor p1 = new CustomExecutor(1); |
422 |
assertEquals(0, p1.getTaskCount()); |
423 |
for(int i = 0; i < 5; i++) |
424 |
p1.execute(new SmallRunnable()); |
425 |
try { |
426 |
Thread.sleep(SHORT_DELAY_MS); |
427 |
} catch(Exception e){ |
428 |
unexpectedException(); |
429 |
} |
430 |
assertEquals(5, p1.getTaskCount()); |
431 |
joinPool(p1); |
432 |
} |
433 |
|
434 |
/** |
435 |
* getThreadFactory returns factory in constructor if not set |
436 |
*/ |
437 |
public void testGetThreadFactory() { |
438 |
ThreadFactory tf = new SimpleThreadFactory(); |
439 |
CustomExecutor p = new CustomExecutor(1, tf); |
440 |
assertSame(tf, p.getThreadFactory()); |
441 |
joinPool(p); |
442 |
} |
443 |
|
444 |
/** |
445 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
446 |
*/ |
447 |
public void testSetThreadFactory() { |
448 |
ThreadFactory tf = new SimpleThreadFactory(); |
449 |
CustomExecutor p = new CustomExecutor(1); |
450 |
p.setThreadFactory(tf); |
451 |
assertSame(tf, p.getThreadFactory()); |
452 |
joinPool(p); |
453 |
} |
454 |
|
455 |
/** |
456 |
* setThreadFactory(null) throws NPE |
457 |
*/ |
458 |
public void testSetThreadFactoryNull() { |
459 |
CustomExecutor p = new CustomExecutor(1); |
460 |
try { |
461 |
p.setThreadFactory(null); |
462 |
shouldThrow(); |
463 |
} catch (NullPointerException success) { |
464 |
} finally { |
465 |
joinPool(p); |
466 |
} |
467 |
} |
468 |
|
469 |
/** |
470 |
* is isShutDown is false before shutdown, true after |
471 |
*/ |
472 |
public void testIsShutdown() { |
473 |
|
474 |
CustomExecutor p1 = new CustomExecutor(1); |
475 |
try { |
476 |
assertFalse(p1.isShutdown()); |
477 |
} |
478 |
finally { |
479 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
480 |
} |
481 |
assertTrue(p1.isShutdown()); |
482 |
} |
483 |
|
484 |
|
485 |
/** |
486 |
* isTerminated is false before termination, true after |
487 |
*/ |
488 |
public void testIsTerminated() { |
489 |
CustomExecutor p1 = new CustomExecutor(1); |
490 |
try { |
491 |
p1.execute(new SmallRunnable()); |
492 |
} finally { |
493 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
494 |
} |
495 |
try { |
496 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
497 |
assertTrue(p1.isTerminated()); |
498 |
} catch(Exception e){ |
499 |
unexpectedException(); |
500 |
} |
501 |
} |
502 |
|
503 |
/** |
504 |
* isTerminating is not true when running or when terminated |
505 |
*/ |
506 |
public void testIsTerminating() { |
507 |
CustomExecutor p1 = new CustomExecutor(1); |
508 |
assertFalse(p1.isTerminating()); |
509 |
try { |
510 |
p1.execute(new SmallRunnable()); |
511 |
assertFalse(p1.isTerminating()); |
512 |
} finally { |
513 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
514 |
} |
515 |
try { |
516 |
assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS)); |
517 |
assertTrue(p1.isTerminated()); |
518 |
assertFalse(p1.isTerminating()); |
519 |
} catch(Exception e){ |
520 |
unexpectedException(); |
521 |
} |
522 |
} |
523 |
|
524 |
/** |
525 |
* getQueue returns the work queue, which contains queued tasks |
526 |
*/ |
527 |
public void testGetQueue() { |
528 |
CustomExecutor p1 = new CustomExecutor(1); |
529 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
530 |
for(int i = 0; i < 5; i++){ |
531 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS); |
532 |
} |
533 |
try { |
534 |
Thread.sleep(SHORT_DELAY_MS); |
535 |
BlockingQueue<Runnable> q = p1.getQueue(); |
536 |
assertTrue(q.contains(tasks[4])); |
537 |
assertFalse(q.contains(tasks[0])); |
538 |
} catch(Exception e) { |
539 |
unexpectedException(); |
540 |
} finally { |
541 |
joinPool(p1); |
542 |
} |
543 |
} |
544 |
|
545 |
/** |
546 |
* remove(task) removes queued task, and fails to remove active task |
547 |
*/ |
548 |
public void testRemove() { |
549 |
CustomExecutor p1 = new CustomExecutor(1); |
550 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
551 |
for(int i = 0; i < 5; i++){ |
552 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), 1, TimeUnit.MILLISECONDS); |
553 |
} |
554 |
try { |
555 |
Thread.sleep(SHORT_DELAY_MS); |
556 |
BlockingQueue<Runnable> q = p1.getQueue(); |
557 |
assertFalse(p1.remove((Runnable)tasks[0])); |
558 |
assertTrue(q.contains((Runnable)tasks[4])); |
559 |
assertTrue(q.contains((Runnable)tasks[3])); |
560 |
assertTrue(p1.remove((Runnable)tasks[4])); |
561 |
assertFalse(p1.remove((Runnable)tasks[4])); |
562 |
assertFalse(q.contains((Runnable)tasks[4])); |
563 |
assertTrue(q.contains((Runnable)tasks[3])); |
564 |
assertTrue(p1.remove((Runnable)tasks[3])); |
565 |
assertFalse(q.contains((Runnable)tasks[3])); |
566 |
} catch(Exception e) { |
567 |
unexpectedException(); |
568 |
} finally { |
569 |
joinPool(p1); |
570 |
} |
571 |
} |
572 |
|
573 |
/** |
574 |
* purge removes cancelled tasks from the queue |
575 |
*/ |
576 |
public void testPurge() { |
577 |
CustomExecutor p1 = new CustomExecutor(1); |
578 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
579 |
for(int i = 0; i < 5; i++){ |
580 |
tasks[i] = p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
581 |
} |
582 |
try { |
583 |
int max = 5; |
584 |
if (tasks[4].cancel(true)) --max; |
585 |
if (tasks[3].cancel(true)) --max; |
586 |
// There must eventually be an interference-free point at |
587 |
// which purge will not fail. (At worst, when queue is empty.) |
588 |
int k; |
589 |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
590 |
p1.purge(); |
591 |
long count = p1.getTaskCount(); |
592 |
if (count >= 0 && count <= max) |
593 |
break; |
594 |
Thread.sleep(1); |
595 |
} |
596 |
assertTrue(k < SMALL_DELAY_MS); |
597 |
} catch(Exception e) { |
598 |
unexpectedException(); |
599 |
} finally { |
600 |
joinPool(p1); |
601 |
} |
602 |
} |
603 |
|
604 |
/** |
605 |
* shutDownNow returns a list containing tasks that were not run |
606 |
*/ |
607 |
public void testShutDownNow() { |
608 |
CustomExecutor p1 = new CustomExecutor(1); |
609 |
for(int i = 0; i < 5; i++) |
610 |
p1.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
611 |
List l; |
612 |
try { |
613 |
l = p1.shutdownNow(); |
614 |
} catch (SecurityException ok) { |
615 |
return; |
616 |
} |
617 |
assertTrue(p1.isShutdown()); |
618 |
assertTrue(l.size() > 0 && l.size() <= 5); |
619 |
joinPool(p1); |
620 |
} |
621 |
|
622 |
/** |
623 |
* In default setting, shutdown cancels periodic but not delayed |
624 |
* tasks at shutdown |
625 |
*/ |
626 |
public void testShutDown1() { |
627 |
try { |
628 |
CustomExecutor p1 = new CustomExecutor(1); |
629 |
assertTrue(p1.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
630 |
assertFalse(p1.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
631 |
|
632 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
633 |
for(int i = 0; i < 5; i++) |
634 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
635 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
636 |
BlockingQueue q = p1.getQueue(); |
637 |
for (Iterator it = q.iterator(); it.hasNext();) { |
638 |
ScheduledFuture t = (ScheduledFuture)it.next(); |
639 |
assertFalse(t.isCancelled()); |
640 |
} |
641 |
assertTrue(p1.isShutdown()); |
642 |
Thread.sleep(SMALL_DELAY_MS); |
643 |
for (int i = 0; i < 5; ++i) { |
644 |
assertTrue(tasks[i].isDone()); |
645 |
assertFalse(tasks[i].isCancelled()); |
646 |
} |
647 |
|
648 |
} |
649 |
catch(Exception ex) { |
650 |
unexpectedException(); |
651 |
} |
652 |
} |
653 |
|
654 |
|
655 |
/** |
656 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
657 |
* delayed tasks are cancelled at shutdown |
658 |
*/ |
659 |
public void testShutDown2() { |
660 |
try { |
661 |
CustomExecutor p1 = new CustomExecutor(1); |
662 |
p1.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
663 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
664 |
for(int i = 0; i < 5; i++) |
665 |
tasks[i] = p1.schedule(new NoOpRunnable(), SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
666 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
667 |
assertTrue(p1.isShutdown()); |
668 |
BlockingQueue q = p1.getQueue(); |
669 |
assertTrue(q.isEmpty()); |
670 |
Thread.sleep(SMALL_DELAY_MS); |
671 |
assertTrue(p1.isTerminated()); |
672 |
} |
673 |
catch(Exception ex) { |
674 |
unexpectedException(); |
675 |
} |
676 |
} |
677 |
|
678 |
|
679 |
/** |
680 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
681 |
* periodic tasks are not cancelled at shutdown |
682 |
*/ |
683 |
public void testShutDown3() { |
684 |
try { |
685 |
CustomExecutor p1 = new CustomExecutor(1); |
686 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
687 |
ScheduledFuture task = |
688 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, TimeUnit.MILLISECONDS); |
689 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
690 |
assertTrue(p1.isShutdown()); |
691 |
BlockingQueue q = p1.getQueue(); |
692 |
assertTrue(q.isEmpty()); |
693 |
Thread.sleep(SHORT_DELAY_MS); |
694 |
assertTrue(p1.isTerminated()); |
695 |
} |
696 |
catch(Exception ex) { |
697 |
unexpectedException(); |
698 |
} |
699 |
} |
700 |
|
701 |
/** |
702 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
703 |
* periodic tasks are cancelled at shutdown |
704 |
*/ |
705 |
public void testShutDown4() { |
706 |
CustomExecutor p1 = new CustomExecutor(1); |
707 |
try { |
708 |
p1.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
709 |
ScheduledFuture task = |
710 |
p1.scheduleAtFixedRate(new NoOpRunnable(), 1, 1, TimeUnit.MILLISECONDS); |
711 |
assertFalse(task.isCancelled()); |
712 |
try { p1.shutdown(); } catch(SecurityException ok) { return; } |
713 |
assertFalse(task.isCancelled()); |
714 |
assertFalse(p1.isTerminated()); |
715 |
assertTrue(p1.isShutdown()); |
716 |
Thread.sleep(SHORT_DELAY_MS); |
717 |
assertFalse(task.isCancelled()); |
718 |
assertTrue(task.cancel(true)); |
719 |
assertTrue(task.isDone()); |
720 |
Thread.sleep(SHORT_DELAY_MS); |
721 |
assertTrue(p1.isTerminated()); |
722 |
} |
723 |
catch(Exception ex) { |
724 |
unexpectedException(); |
725 |
} |
726 |
finally { |
727 |
joinPool(p1); |
728 |
} |
729 |
} |
730 |
|
731 |
/** |
732 |
* completed submit of callable returns result |
733 |
*/ |
734 |
public void testSubmitCallable() { |
735 |
ExecutorService e = new CustomExecutor(2); |
736 |
try { |
737 |
Future<String> future = e.submit(new StringTask()); |
738 |
String result = future.get(); |
739 |
assertSame(TEST_STRING, result); |
740 |
} |
741 |
catch (ExecutionException ex) { |
742 |
unexpectedException(); |
743 |
} |
744 |
catch (InterruptedException ex) { |
745 |
unexpectedException(); |
746 |
} finally { |
747 |
joinPool(e); |
748 |
} |
749 |
} |
750 |
|
751 |
/** |
752 |
* completed submit of runnable returns successfully |
753 |
*/ |
754 |
public void testSubmitRunnable() { |
755 |
ExecutorService e = new CustomExecutor(2); |
756 |
try { |
757 |
Future<?> future = e.submit(new NoOpRunnable()); |
758 |
future.get(); |
759 |
assertTrue(future.isDone()); |
760 |
} |
761 |
catch (ExecutionException ex) { |
762 |
unexpectedException(); |
763 |
} |
764 |
catch (InterruptedException ex) { |
765 |
unexpectedException(); |
766 |
} finally { |
767 |
joinPool(e); |
768 |
} |
769 |
} |
770 |
|
771 |
/** |
772 |
* completed submit of (runnable, result) returns result |
773 |
*/ |
774 |
public void testSubmitRunnable2() { |
775 |
ExecutorService e = new CustomExecutor(2); |
776 |
try { |
777 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
778 |
String result = future.get(); |
779 |
assertSame(TEST_STRING, result); |
780 |
} |
781 |
catch (ExecutionException ex) { |
782 |
unexpectedException(); |
783 |
} |
784 |
catch (InterruptedException ex) { |
785 |
unexpectedException(); |
786 |
} finally { |
787 |
joinPool(e); |
788 |
} |
789 |
} |
790 |
|
791 |
/** |
792 |
* invokeAny(null) throws NPE |
793 |
*/ |
794 |
public void testInvokeAny1() { |
795 |
ExecutorService e = new CustomExecutor(2); |
796 |
try { |
797 |
e.invokeAny(null); |
798 |
} catch (NullPointerException success) { |
799 |
} catch(Exception ex) { |
800 |
unexpectedException(); |
801 |
} finally { |
802 |
joinPool(e); |
803 |
} |
804 |
} |
805 |
|
806 |
/** |
807 |
* invokeAny(empty collection) throws IAE |
808 |
*/ |
809 |
public void testInvokeAny2() { |
810 |
ExecutorService e = new CustomExecutor(2); |
811 |
try { |
812 |
e.invokeAny(new ArrayList<Callable<String>>()); |
813 |
} catch (IllegalArgumentException success) { |
814 |
} catch(Exception ex) { |
815 |
unexpectedException(); |
816 |
} finally { |
817 |
joinPool(e); |
818 |
} |
819 |
} |
820 |
|
821 |
/** |
822 |
* invokeAny(c) throws NPE if c has null elements |
823 |
*/ |
824 |
public void testInvokeAny3() { |
825 |
ExecutorService e = new CustomExecutor(2); |
826 |
try { |
827 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
828 |
l.add(new StringTask()); |
829 |
l.add(null); |
830 |
e.invokeAny(l); |
831 |
} catch (NullPointerException success) { |
832 |
} catch(Exception ex) { |
833 |
unexpectedException(); |
834 |
} finally { |
835 |
joinPool(e); |
836 |
} |
837 |
} |
838 |
|
839 |
/** |
840 |
* invokeAny(c) throws ExecutionException if no task completes |
841 |
*/ |
842 |
public void testInvokeAny4() { |
843 |
ExecutorService e = new CustomExecutor(2); |
844 |
try { |
845 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
846 |
l.add(new NPETask()); |
847 |
e.invokeAny(l); |
848 |
} catch (ExecutionException success) { |
849 |
} catch(Exception ex) { |
850 |
unexpectedException(); |
851 |
} finally { |
852 |
joinPool(e); |
853 |
} |
854 |
} |
855 |
|
856 |
/** |
857 |
* invokeAny(c) returns result of some task |
858 |
*/ |
859 |
public void testInvokeAny5() { |
860 |
ExecutorService e = new CustomExecutor(2); |
861 |
try { |
862 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
863 |
l.add(new StringTask()); |
864 |
l.add(new StringTask()); |
865 |
String result = e.invokeAny(l); |
866 |
assertSame(TEST_STRING, result); |
867 |
} catch (ExecutionException success) { |
868 |
} catch(Exception ex) { |
869 |
unexpectedException(); |
870 |
} finally { |
871 |
joinPool(e); |
872 |
} |
873 |
} |
874 |
|
875 |
/** |
876 |
* invokeAll(null) throws NPE |
877 |
*/ |
878 |
public void testInvokeAll1() { |
879 |
ExecutorService e = new CustomExecutor(2); |
880 |
try { |
881 |
e.invokeAll(null); |
882 |
} catch (NullPointerException success) { |
883 |
} catch(Exception ex) { |
884 |
unexpectedException(); |
885 |
} finally { |
886 |
joinPool(e); |
887 |
} |
888 |
} |
889 |
|
890 |
/** |
891 |
* invokeAll(empty collection) returns empty collection |
892 |
*/ |
893 |
public void testInvokeAll2() { |
894 |
ExecutorService e = new CustomExecutor(2); |
895 |
try { |
896 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
897 |
assertTrue(r.isEmpty()); |
898 |
} catch(Exception ex) { |
899 |
unexpectedException(); |
900 |
} finally { |
901 |
joinPool(e); |
902 |
} |
903 |
} |
904 |
|
905 |
/** |
906 |
* invokeAll(c) throws NPE if c has null elements |
907 |
*/ |
908 |
public void testInvokeAll3() { |
909 |
ExecutorService e = new CustomExecutor(2); |
910 |
try { |
911 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
912 |
l.add(new StringTask()); |
913 |
l.add(null); |
914 |
e.invokeAll(l); |
915 |
} catch (NullPointerException success) { |
916 |
} catch(Exception ex) { |
917 |
unexpectedException(); |
918 |
} finally { |
919 |
joinPool(e); |
920 |
} |
921 |
} |
922 |
|
923 |
/** |
924 |
* get of invokeAll(c) throws exception on failed task |
925 |
*/ |
926 |
public void testInvokeAll4() { |
927 |
ExecutorService e = new CustomExecutor(2); |
928 |
try { |
929 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
930 |
l.add(new NPETask()); |
931 |
List<Future<String>> result = e.invokeAll(l); |
932 |
assertEquals(1, result.size()); |
933 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
934 |
it.next().get(); |
935 |
} catch(ExecutionException success) { |
936 |
} catch(Exception ex) { |
937 |
unexpectedException(); |
938 |
} finally { |
939 |
joinPool(e); |
940 |
} |
941 |
} |
942 |
|
943 |
/** |
944 |
* invokeAll(c) returns results of all completed tasks |
945 |
*/ |
946 |
public void testInvokeAll5() { |
947 |
ExecutorService e = new CustomExecutor(2); |
948 |
try { |
949 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
950 |
l.add(new StringTask()); |
951 |
l.add(new StringTask()); |
952 |
List<Future<String>> result = e.invokeAll(l); |
953 |
assertEquals(2, result.size()); |
954 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
955 |
assertSame(TEST_STRING, it.next().get()); |
956 |
} catch (ExecutionException success) { |
957 |
} catch(Exception ex) { |
958 |
unexpectedException(); |
959 |
} finally { |
960 |
joinPool(e); |
961 |
} |
962 |
} |
963 |
|
964 |
/** |
965 |
* timed invokeAny(null) throws NPE |
966 |
*/ |
967 |
public void testTimedInvokeAny1() { |
968 |
ExecutorService e = new CustomExecutor(2); |
969 |
try { |
970 |
e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
971 |
} catch (NullPointerException success) { |
972 |
} catch(Exception ex) { |
973 |
unexpectedException(); |
974 |
} finally { |
975 |
joinPool(e); |
976 |
} |
977 |
} |
978 |
|
979 |
/** |
980 |
* timed invokeAny(,,null) throws NPE |
981 |
*/ |
982 |
public void testTimedInvokeAnyNullTimeUnit() { |
983 |
ExecutorService e = new CustomExecutor(2); |
984 |
try { |
985 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
986 |
l.add(new StringTask()); |
987 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
988 |
} catch (NullPointerException success) { |
989 |
} catch(Exception ex) { |
990 |
unexpectedException(); |
991 |
} finally { |
992 |
joinPool(e); |
993 |
} |
994 |
} |
995 |
|
996 |
/** |
997 |
* timed invokeAny(empty collection) throws IAE |
998 |
*/ |
999 |
public void testTimedInvokeAny2() { |
1000 |
ExecutorService e = new CustomExecutor(2); |
1001 |
try { |
1002 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1003 |
} catch (IllegalArgumentException success) { |
1004 |
} catch(Exception ex) { |
1005 |
unexpectedException(); |
1006 |
} finally { |
1007 |
joinPool(e); |
1008 |
} |
1009 |
} |
1010 |
|
1011 |
/** |
1012 |
* timed invokeAny(c) throws NPE if c has null elements |
1013 |
*/ |
1014 |
public void testTimedInvokeAny3() { |
1015 |
ExecutorService e = new CustomExecutor(2); |
1016 |
try { |
1017 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1018 |
l.add(new StringTask()); |
1019 |
l.add(null); |
1020 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1021 |
} catch (NullPointerException success) { |
1022 |
} catch(Exception ex) { |
1023 |
ex.printStackTrace(); |
1024 |
unexpectedException(); |
1025 |
} finally { |
1026 |
joinPool(e); |
1027 |
} |
1028 |
} |
1029 |
|
1030 |
/** |
1031 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1032 |
*/ |
1033 |
public void testTimedInvokeAny4() { |
1034 |
ExecutorService e = new CustomExecutor(2); |
1035 |
try { |
1036 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1037 |
l.add(new NPETask()); |
1038 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1039 |
} catch(ExecutionException success) { |
1040 |
} catch(Exception ex) { |
1041 |
unexpectedException(); |
1042 |
} finally { |
1043 |
joinPool(e); |
1044 |
} |
1045 |
} |
1046 |
|
1047 |
/** |
1048 |
* timed invokeAny(c) returns result of some task |
1049 |
*/ |
1050 |
public void testTimedInvokeAny5() { |
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(new StringTask()); |
1056 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1057 |
assertSame(TEST_STRING, result); |
1058 |
} catch (ExecutionException success) { |
1059 |
} catch(Exception ex) { |
1060 |
unexpectedException(); |
1061 |
} finally { |
1062 |
joinPool(e); |
1063 |
} |
1064 |
} |
1065 |
|
1066 |
/** |
1067 |
* timed invokeAll(null) throws NPE |
1068 |
*/ |
1069 |
public void testTimedInvokeAll1() { |
1070 |
ExecutorService e = new CustomExecutor(2); |
1071 |
try { |
1072 |
e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1073 |
} catch (NullPointerException success) { |
1074 |
} catch(Exception ex) { |
1075 |
unexpectedException(); |
1076 |
} finally { |
1077 |
joinPool(e); |
1078 |
} |
1079 |
} |
1080 |
|
1081 |
/** |
1082 |
* timed invokeAll(,,null) throws NPE |
1083 |
*/ |
1084 |
public void testTimedInvokeAllNullTimeUnit() { |
1085 |
ExecutorService e = new CustomExecutor(2); |
1086 |
try { |
1087 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1088 |
l.add(new StringTask()); |
1089 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1090 |
} catch (NullPointerException success) { |
1091 |
} catch(Exception ex) { |
1092 |
unexpectedException(); |
1093 |
} finally { |
1094 |
joinPool(e); |
1095 |
} |
1096 |
} |
1097 |
|
1098 |
/** |
1099 |
* timed invokeAll(empty collection) returns empty collection |
1100 |
*/ |
1101 |
public void testTimedInvokeAll2() { |
1102 |
ExecutorService e = new CustomExecutor(2); |
1103 |
try { |
1104 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1105 |
assertTrue(r.isEmpty()); |
1106 |
} catch(Exception ex) { |
1107 |
unexpectedException(); |
1108 |
} finally { |
1109 |
joinPool(e); |
1110 |
} |
1111 |
} |
1112 |
|
1113 |
/** |
1114 |
* timed invokeAll(c) throws NPE if c has null elements |
1115 |
*/ |
1116 |
public void testTimedInvokeAll3() { |
1117 |
ExecutorService e = new CustomExecutor(2); |
1118 |
try { |
1119 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1120 |
l.add(new StringTask()); |
1121 |
l.add(null); |
1122 |
e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1123 |
} catch (NullPointerException success) { |
1124 |
} catch(Exception ex) { |
1125 |
unexpectedException(); |
1126 |
} finally { |
1127 |
joinPool(e); |
1128 |
} |
1129 |
} |
1130 |
|
1131 |
/** |
1132 |
* get of element of invokeAll(c) throws exception on failed task |
1133 |
*/ |
1134 |
public void testTimedInvokeAll4() { |
1135 |
ExecutorService e = new CustomExecutor(2); |
1136 |
try { |
1137 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1138 |
l.add(new NPETask()); |
1139 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1140 |
assertEquals(1, result.size()); |
1141 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1142 |
it.next().get(); |
1143 |
} catch(ExecutionException success) { |
1144 |
} catch(Exception ex) { |
1145 |
unexpectedException(); |
1146 |
} finally { |
1147 |
joinPool(e); |
1148 |
} |
1149 |
} |
1150 |
|
1151 |
/** |
1152 |
* timed invokeAll(c) returns results of all completed tasks |
1153 |
*/ |
1154 |
public void testTimedInvokeAll5() { |
1155 |
ExecutorService e = new CustomExecutor(2); |
1156 |
try { |
1157 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1158 |
l.add(new StringTask()); |
1159 |
l.add(new StringTask()); |
1160 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
1161 |
assertEquals(2, result.size()); |
1162 |
for (Iterator<Future<String>> it = result.iterator(); it.hasNext();) |
1163 |
assertSame(TEST_STRING, it.next().get()); |
1164 |
} catch (ExecutionException success) { |
1165 |
} catch(Exception ex) { |
1166 |
unexpectedException(); |
1167 |
} finally { |
1168 |
joinPool(e); |
1169 |
} |
1170 |
} |
1171 |
|
1172 |
/** |
1173 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1174 |
*/ |
1175 |
public void testTimedInvokeAll6() { |
1176 |
ExecutorService e = new CustomExecutor(2); |
1177 |
try { |
1178 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
1179 |
l.add(new StringTask()); |
1180 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1181 |
l.add(new StringTask()); |
1182 |
List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS); |
1183 |
assertEquals(3, result.size()); |
1184 |
Iterator<Future<String>> it = result.iterator(); |
1185 |
Future<String> f1 = it.next(); |
1186 |
Future<String> f2 = it.next(); |
1187 |
Future<String> f3 = it.next(); |
1188 |
assertTrue(f1.isDone()); |
1189 |
assertTrue(f2.isDone()); |
1190 |
assertTrue(f3.isDone()); |
1191 |
assertFalse(f1.isCancelled()); |
1192 |
assertTrue(f2.isCancelled()); |
1193 |
} catch(Exception ex) { |
1194 |
unexpectedException(); |
1195 |
} finally { |
1196 |
joinPool(e); |
1197 |
} |
1198 |
} |
1199 |
|
1200 |
|
1201 |
} |