66 |
|
try (PoolCleaner cleaner = cleaner(p)) { |
67 |
|
final long startTime = System.nanoTime(); |
68 |
|
final CountDownLatch done = new CountDownLatch(1); |
69 |
< |
Callable task = new CheckedCallable<Boolean>() { |
69 |
> |
Callable<Boolean> task = new CheckedCallable<Boolean>() { |
70 |
|
public Boolean realCall() { |
71 |
|
done.countDown(); |
72 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
73 |
|
return Boolean.TRUE; |
74 |
|
}}; |
75 |
< |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
75 |
> |
Future<Boolean> f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
76 |
|
assertSame(Boolean.TRUE, f.get()); |
77 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
78 |
|
assertEquals(0L, done.getCount()); |
92 |
|
done.countDown(); |
93 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
94 |
|
}}; |
95 |
< |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
95 |
> |
Future<?> f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
96 |
|
await(done); |
97 |
|
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
98 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
112 |
|
done.countDown(); |
113 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
114 |
|
}}; |
115 |
< |
ScheduledFuture f = |
115 |
> |
ScheduledFuture<?> f = |
116 |
|
p.scheduleAtFixedRate(task, timeoutMillis(), |
117 |
|
LONG_DELAY_MS, MILLISECONDS); |
118 |
|
await(done); |
134 |
|
done.countDown(); |
135 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
136 |
|
}}; |
137 |
< |
ScheduledFuture f = |
137 |
> |
ScheduledFuture<?> f = |
138 |
|
p.scheduleWithFixedDelay(task, timeoutMillis(), |
139 |
|
LONG_DELAY_MS, MILLISECONDS); |
140 |
|
await(done); |
162 |
|
final CountDownLatch done = new CountDownLatch(cycles); |
163 |
|
final Runnable task = new CheckedRunnable() { |
164 |
|
public void realRun() { done.countDown(); }}; |
165 |
< |
final ScheduledFuture periodicTask = |
165 |
> |
final ScheduledFuture<?> periodicTask = |
166 |
|
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
167 |
|
final int totalDelayMillis = (cycles - 1) * delay; |
168 |
|
await(done, totalDelayMillis + LONG_DELAY_MS); |
208 |
|
previous.set(now); |
209 |
|
done.countDown(); |
210 |
|
}}; |
211 |
< |
final ScheduledFuture periodicTask = |
211 |
> |
final ScheduledFuture<?> periodicTask = |
212 |
|
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
213 |
|
final int totalDelayMillis = (cycles - 1) * delay; |
214 |
|
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
224 |
|
} |
225 |
|
|
226 |
|
/** |
227 |
< |
* execute(null) throws NPE |
227 |
> |
* Submitting null tasks throws NullPointerException |
228 |
|
*/ |
229 |
< |
public void testExecuteNull() throws InterruptedException { |
229 |
> |
public void testNullTaskSubmission() { |
230 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
231 |
|
try (PoolCleaner cleaner = cleaner(p)) { |
232 |
< |
try { |
233 |
< |
p.execute(null); |
234 |
< |
shouldThrow(); |
235 |
< |
} catch (NullPointerException success) {} |
232 |
> |
assertNullTaskSubmissionThrowsNullPointerException(p); |
233 |
|
} |
234 |
|
} |
235 |
|
|
236 |
|
/** |
237 |
< |
* schedule(null) throws NPE |
237 |
> |
* Submitted tasks are rejected when shutdown |
238 |
|
*/ |
239 |
< |
public void testScheduleNull() throws InterruptedException { |
239 |
> |
public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException { |
240 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
241 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
242 |
< |
try { |
243 |
< |
Future f = p.schedule((Callable)null, |
244 |
< |
randomTimeout(), randomTimeUnit()); |
245 |
< |
shouldThrow(); |
246 |
< |
} catch (NullPointerException success) {} |
247 |
< |
} |
248 |
< |
} |
241 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
242 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize()); |
243 |
> |
final CountDownLatch done = new CountDownLatch(1); |
244 |
> |
final Runnable r = () -> { |
245 |
> |
threadsStarted.countDown(); |
246 |
> |
for (;;) { |
247 |
> |
try { |
248 |
> |
done.await(); |
249 |
> |
return; |
250 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
251 |
> |
}}; |
252 |
> |
final Callable<Boolean> c = () -> { |
253 |
> |
threadsStarted.countDown(); |
254 |
> |
for (;;) { |
255 |
> |
try { |
256 |
> |
done.await(); |
257 |
> |
return Boolean.TRUE; |
258 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
259 |
> |
}}; |
260 |
|
|
261 |
< |
/** |
262 |
< |
* execute throws RejectedExecutionException if shutdown |
263 |
< |
*/ |
264 |
< |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
265 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
266 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
267 |
< |
try { |
268 |
< |
p.shutdown(); |
269 |
< |
p.schedule(new NoOpRunnable(), |
262 |
< |
randomTimeout(), randomTimeUnit()); |
263 |
< |
shouldThrow(); |
264 |
< |
} catch (RejectedExecutionException success) { |
265 |
< |
} catch (SecurityException ok) {} |
266 |
< |
} |
267 |
< |
} |
261 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
262 |
> |
for (int i = p.getCorePoolSize(); i--> 0; ) { |
263 |
> |
switch (rnd.nextInt(4)) { |
264 |
> |
case 0: p.execute(r); break; |
265 |
> |
case 1: assertFalse(p.submit(r).isDone()); break; |
266 |
> |
case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break; |
267 |
> |
case 3: assertFalse(p.submit(c).isDone()); break; |
268 |
> |
} |
269 |
> |
} |
270 |
|
|
271 |
< |
/** |
272 |
< |
* schedule throws RejectedExecutionException if shutdown |
271 |
< |
*/ |
272 |
< |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
273 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
274 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
275 |
< |
try { |
276 |
< |
p.shutdown(); |
277 |
< |
p.schedule(new NoOpCallable(), |
278 |
< |
randomTimeout(), randomTimeUnit()); |
279 |
< |
shouldThrow(); |
280 |
< |
} catch (RejectedExecutionException success) { |
281 |
< |
} catch (SecurityException ok) {} |
282 |
< |
} |
283 |
< |
} |
271 |
> |
// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated. |
272 |
> |
await(threadsStarted); |
273 |
|
|
274 |
< |
/** |
275 |
< |
* schedule callable throws RejectedExecutionException if shutdown |
276 |
< |
*/ |
288 |
< |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
289 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
290 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
291 |
< |
try { |
274 |
> |
if (rnd.nextBoolean()) |
275 |
> |
p.shutdownNow(); |
276 |
> |
else |
277 |
|
p.shutdown(); |
278 |
< |
p.schedule(new NoOpCallable(), |
279 |
< |
randomTimeout(), randomTimeUnit()); |
280 |
< |
shouldThrow(); |
296 |
< |
} catch (RejectedExecutionException success) { |
297 |
< |
} catch (SecurityException ok) {} |
298 |
< |
} |
299 |
< |
} |
278 |
> |
// Pool is shutdown, but not yet terminated |
279 |
> |
assertTaskSubmissionsAreRejected(p); |
280 |
> |
assertFalse(p.isTerminated()); |
281 |
|
|
282 |
< |
/** |
283 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
303 |
< |
*/ |
304 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
305 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
306 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
307 |
< |
try { |
308 |
< |
p.shutdown(); |
309 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), |
310 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
311 |
< |
shouldThrow(); |
312 |
< |
} catch (RejectedExecutionException success) { |
313 |
< |
} catch (SecurityException ok) {} |
314 |
< |
} |
315 |
< |
} |
282 |
> |
done.countDown(); // release blocking tasks |
283 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
284 |
|
|
285 |
< |
/** |
318 |
< |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
319 |
< |
*/ |
320 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
321 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
322 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
323 |
< |
try { |
324 |
< |
p.shutdown(); |
325 |
< |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
326 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
327 |
< |
shouldThrow(); |
328 |
< |
} catch (RejectedExecutionException success) { |
329 |
< |
} catch (SecurityException ok) {} |
285 |
> |
assertTaskSubmissionsAreRejected(p); |
286 |
|
} |
287 |
+ |
assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount()); |
288 |
|
} |
289 |
|
|
290 |
|
/** |
549 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
550 |
|
try (PoolCleaner cleaner = cleaner(p, done)) { |
551 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
552 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
552 |
> |
@SuppressWarnings("unchecked") |
553 |
> |
ScheduledFuture<?>[] tasks = (ScheduledFuture<?>[])new ScheduledFuture[5]; |
554 |
|
for (int i = 0; i < tasks.length; i++) { |
555 |
|
Runnable r = new CheckedRunnable() { |
556 |
|
public void realRun() throws InterruptedException { |
573 |
|
final CountDownLatch done = new CountDownLatch(1); |
574 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
575 |
|
try (PoolCleaner cleaner = cleaner(p, done)) { |
576 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
576 |
> |
@SuppressWarnings("unchecked") |
577 |
> |
ScheduledFuture<?>[] tasks = (ScheduledFuture<?>[])new ScheduledFuture[5]; |
578 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
579 |
|
for (int i = 0; i < tasks.length; i++) { |
580 |
|
Runnable r = new CheckedRunnable() { |
602 |
|
* purge eventually removes cancelled tasks from the queue |
603 |
|
*/ |
604 |
|
public void testPurge() throws InterruptedException { |
605 |
< |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
605 |
> |
@SuppressWarnings("unchecked") |
606 |
> |
ScheduledFuture<?>[] tasks = (ScheduledFuture<?>[])new ScheduledFuture[5]; |
607 |
|
final Runnable releaser = new Runnable() { public void run() { |
608 |
< |
for (ScheduledFuture task : tasks) |
608 |
> |
for (ScheduledFuture<?> task : tasks) |
609 |
|
if (task != null) task.cancel(true); }}; |
610 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
611 |
|
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
612 |
|
for (int i = 0; i < tasks.length; i++) |
613 |
< |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
613 |
> |
tasks[i] = p.schedule(possiblyInterruptedRunnable(SMALL_DELAY_MS), |
614 |
|
LONG_DELAY_MS, MILLISECONDS); |
615 |
|
int max = tasks.length; |
616 |
|
if (tasks[4].cancel(true)) --max; |
642 |
|
Runnable waiter = new CheckedRunnable() { public void realRun() { |
643 |
|
threadsStarted.countDown(); |
644 |
|
try { |
645 |
< |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
645 |
> |
MILLISECONDS.sleep(LONGER_DELAY_MS); |
646 |
|
} catch (InterruptedException success) {} |
647 |
|
ran.getAndIncrement(); |
648 |
|
}}; |
672 |
|
*/ |
673 |
|
public void testShutdownNow_delayedTasks() throws InterruptedException { |
674 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
675 |
< |
List<ScheduledFuture> tasks = new ArrayList<>(); |
675 |
> |
List<ScheduledFuture<?>> tasks = new ArrayList<>(); |
676 |
|
for (int i = 0; i < 3; i++) { |
677 |
|
Runnable r = new NoOpRunnable(); |
678 |
|
tasks.add(p.schedule(r, 9, SECONDS)); |
680 |
|
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
681 |
|
} |
682 |
|
if (testImplementationDetails) |
683 |
< |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
683 |
> |
assertEquals(new HashSet<Object>(tasks), new HashSet<Object>(p.getQueue())); |
684 |
|
final List<Runnable> queuedTasks; |
685 |
|
try { |
686 |
|
queuedTasks = p.shutdownNow(); |
690 |
|
assertTrue(p.isShutdown()); |
691 |
|
assertTrue(p.getQueue().isEmpty()); |
692 |
|
if (testImplementationDetails) |
693 |
< |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
693 |
> |
assertEquals(new HashSet<Object>(tasks), new HashSet<Object>(queuedTasks)); |
694 |
|
assertEquals(tasks.size(), queuedTasks.size()); |
695 |
< |
for (ScheduledFuture task : tasks) { |
695 |
> |
for (ScheduledFuture<?> task : tasks) { |
696 |
|
assertFalse(task.isDone()); |
697 |
|
assertFalse(task.isCancelled()); |
698 |
|
} |
707 |
|
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
708 |
|
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
709 |
|
*/ |
710 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
711 |
|
public void testShutdown_cancellation() throws Exception { |
712 |
|
final int poolSize = 4; |
713 |
|
final ScheduledThreadPoolExecutor p |
807 |
|
immediates.forEach( |
808 |
|
f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L)); |
809 |
|
|
810 |
< |
Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream()) |
810 |
> |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
811 |
|
.forEach(f -> assertFalse(f.isDone())); |
812 |
|
|
813 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
861 |
|
|
862 |
|
assertTrue(q.isEmpty()); |
863 |
|
|
864 |
< |
Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream()) |
864 |
> |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
865 |
|
.forEach(f -> assertTrue(f.isDone())); |
866 |
|
|
867 |
|
for (Future<?> f : immediates) assertNull(f.get()); |
1291 |
|
p.invokeAll(tasks, timeout, MILLISECONDS); |
1292 |
|
assertEquals(tasks.size(), futures.size()); |
1293 |
|
assertTrue(millisElapsedSince(startTime) >= timeout); |
1294 |
< |
for (Future future : futures) |
1294 |
> |
for (Future<?> future : futures) |
1295 |
|
assertTrue(future.isDone()); |
1296 |
|
assertTrue(futures.get(1).isCancelled()); |
1297 |
|
try { |
1312 |
|
* one-shot task from executing. |
1313 |
|
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1314 |
|
*/ |
1315 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1316 |
|
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1317 |
|
final CountDownLatch delayedDone = new CountDownLatch(1); |
1318 |
|
final CountDownLatch immediateDone = new CountDownLatch(1); |
1319 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1320 |
|
try (PoolCleaner cleaner = cleaner(p)) { |
1321 |
< |
final Runnable immediate = new Runnable() { public void run() { |
1360 |
< |
immediateDone.countDown(); |
1361 |
< |
}}; |
1362 |
< |
final Runnable delayed = new Runnable() { public void run() { |
1321 |
> |
final Runnable delayed = () -> { |
1322 |
|
delayedDone.countDown(); |
1323 |
< |
p.submit(immediate); |
1324 |
< |
}}; |
1323 |
> |
p.submit(() -> immediateDone.countDown()); |
1324 |
> |
}; |
1325 |
|
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1326 |
|
await(delayedDone); |
1327 |
|
await(immediateDone); |