7 |
|
*/ |
8 |
|
|
9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
+ |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
|
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
|
|
13 |
|
import java.util.ArrayList; |
14 |
+ |
import java.util.Collection; |
15 |
+ |
import java.util.Collections; |
16 |
|
import java.util.HashSet; |
17 |
|
import java.util.List; |
18 |
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import java.util.concurrent.BlockingQueue; |
20 |
|
import java.util.concurrent.CancellationException; |
21 |
|
import java.util.concurrent.CountDownLatch; |
22 |
|
import java.util.concurrent.ExecutionException; |
20 |
– |
import java.util.concurrent.Executors; |
23 |
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import java.util.concurrent.ExecutorService; |
24 |
|
import java.util.concurrent.Future; |
25 |
|
import java.util.concurrent.RejectedExecutionException; |
26 |
|
import java.util.concurrent.ScheduledFuture; |
27 |
|
import java.util.concurrent.ScheduledThreadPoolExecutor; |
28 |
|
import java.util.concurrent.ThreadFactory; |
29 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
30 |
|
import java.util.concurrent.ThreadPoolExecutor; |
31 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
32 |
|
import java.util.concurrent.atomic.AtomicInteger; |
33 |
+ |
import java.util.concurrent.atomic.AtomicLong; |
34 |
+ |
import java.util.stream.Stream; |
35 |
|
|
36 |
|
import junit.framework.Test; |
37 |
|
import junit.framework.TestSuite; |
54 |
|
final Runnable task = new CheckedRunnable() { |
55 |
|
public void realRun() { done.countDown(); }}; |
56 |
|
p.execute(task); |
57 |
< |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
57 |
> |
await(done); |
58 |
|
} |
59 |
|
} |
60 |
|
|
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 |
< |
assertTrue(done.await(0L, MILLISECONDS)); |
78 |
> |
assertEquals(0L, done.getCount()); |
79 |
|
} |
80 |
|
} |
81 |
|
|
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); |
149 |
|
} |
150 |
|
|
151 |
|
/** |
152 |
< |
* scheduleAtFixedRate executes series of tasks at given rate |
152 |
> |
* scheduleAtFixedRate executes series of tasks at given rate. |
153 |
> |
* Eventually, it must hold that: |
154 |
> |
* cycles - 1 <= elapsedMillis/delay < cycles |
155 |
|
*/ |
156 |
|
public void testFixedRateSequence() throws InterruptedException { |
157 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
158 |
|
try (PoolCleaner cleaner = cleaner(p)) { |
159 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
160 |
< |
long startTime = System.nanoTime(); |
161 |
< |
int cycles = 10; |
160 |
> |
final long startTime = System.nanoTime(); |
161 |
> |
final int cycles = 8; |
162 |
|
final CountDownLatch done = new CountDownLatch(cycles); |
163 |
< |
Runnable task = new CheckedRunnable() { |
163 |
> |
final Runnable task = new CheckedRunnable() { |
164 |
|
public void realRun() { done.countDown(); }}; |
165 |
< |
ScheduledFuture h = |
165 |
> |
final ScheduledFuture<?> periodicTask = |
166 |
|
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
167 |
< |
await(done); |
168 |
< |
h.cancel(true); |
169 |
< |
double normalizedTime = |
170 |
< |
(double) millisElapsedSince(startTime) / delay; |
171 |
< |
if (normalizedTime >= cycles - 1 && |
172 |
< |
normalizedTime <= cycles) |
167 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
168 |
> |
await(done, totalDelayMillis + LONG_DELAY_MS); |
169 |
> |
periodicTask.cancel(true); |
170 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
171 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
172 |
> |
if (elapsedMillis <= cycles * delay) |
173 |
|
return; |
174 |
+ |
// else retry with longer delay |
175 |
|
} |
176 |
< |
throw new AssertionError("unexpected execution rate"); |
176 |
> |
fail("unexpected execution rate"); |
177 |
|
} |
178 |
|
} |
179 |
|
|
180 |
|
/** |
181 |
< |
* scheduleWithFixedDelay executes series of tasks with given period |
181 |
> |
* scheduleWithFixedDelay executes series of tasks with given period. |
182 |
> |
* Eventually, it must hold that each task starts at least delay and at |
183 |
> |
* most 2 * delay after the termination of the previous task. |
184 |
|
*/ |
185 |
|
public void testFixedDelaySequence() throws InterruptedException { |
186 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
187 |
|
try (PoolCleaner cleaner = cleaner(p)) { |
188 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
189 |
< |
long startTime = System.nanoTime(); |
190 |
< |
int cycles = 10; |
189 |
> |
final long startTime = System.nanoTime(); |
190 |
> |
final AtomicLong previous = new AtomicLong(startTime); |
191 |
> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
192 |
> |
final int cycles = 8; |
193 |
|
final CountDownLatch done = new CountDownLatch(cycles); |
194 |
< |
Runnable task = new CheckedRunnable() { |
195 |
< |
public void realRun() { done.countDown(); }}; |
196 |
< |
ScheduledFuture h = |
194 |
> |
final int d = delay; |
195 |
> |
final Runnable task = new CheckedRunnable() { |
196 |
> |
public void realRun() { |
197 |
> |
long now = System.nanoTime(); |
198 |
> |
long elapsedMillis |
199 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
200 |
> |
if (done.getCount() == cycles) { // first execution |
201 |
> |
if (elapsedMillis >= d) |
202 |
> |
tryLongerDelay.set(true); |
203 |
> |
} else { |
204 |
> |
assertTrue(elapsedMillis >= d); |
205 |
> |
if (elapsedMillis >= 2 * d) |
206 |
> |
tryLongerDelay.set(true); |
207 |
> |
} |
208 |
> |
previous.set(now); |
209 |
> |
done.countDown(); |
210 |
> |
}}; |
211 |
> |
final ScheduledFuture<?> periodicTask = |
212 |
|
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
213 |
< |
await(done); |
214 |
< |
h.cancel(true); |
215 |
< |
double normalizedTime = |
216 |
< |
(double) millisElapsedSince(startTime) / delay; |
217 |
< |
if (normalizedTime >= cycles - 1 && |
218 |
< |
normalizedTime <= cycles) |
213 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
214 |
> |
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
215 |
> |
periodicTask.cancel(true); |
216 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
217 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
218 |
> |
if (!tryLongerDelay.get()) |
219 |
|
return; |
220 |
+ |
// else retry with longer delay |
221 |
|
} |
222 |
< |
throw new AssertionError("unexpected execution rate"); |
222 |
> |
fail("unexpected execution rate"); |
223 |
|
} |
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 { |
204 |
< |
p.execute(null); |
205 |
< |
shouldThrow(); |
206 |
< |
} 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 |
< |
TrackedCallable callable = null; |
244 |
< |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
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(), |
233 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
234 |
< |
shouldThrow(); |
235 |
< |
} catch (RejectedExecutionException success) { |
236 |
< |
} catch (SecurityException ok) {} |
237 |
< |
} |
238 |
< |
} |
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 |
242 |
< |
*/ |
243 |
< |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
244 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
245 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
246 |
< |
try { |
247 |
< |
p.shutdown(); |
248 |
< |
p.schedule(new NoOpCallable(), |
249 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
250 |
< |
shouldThrow(); |
251 |
< |
} catch (RejectedExecutionException success) { |
252 |
< |
} catch (SecurityException ok) {} |
253 |
< |
} |
254 |
< |
} |
271 |
> |
// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated. |
272 |
> |
await(threadsStarted); |
273 |
|
|
274 |
< |
/** |
275 |
< |
* schedule callable throws RejectedExecutionException if shutdown |
276 |
< |
*/ |
259 |
< |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
260 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
261 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
262 |
< |
try { |
274 |
> |
if (rnd.nextBoolean()) |
275 |
> |
p.shutdownNow(); |
276 |
> |
else |
277 |
|
p.shutdown(); |
278 |
< |
p.schedule(new NoOpCallable(), |
279 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
280 |
< |
shouldThrow(); |
267 |
< |
} catch (RejectedExecutionException success) { |
268 |
< |
} catch (SecurityException ok) {} |
269 |
< |
} |
270 |
< |
} |
278 |
> |
// Pool is shutdown, but not yet terminated |
279 |
> |
assertTaskSubmissionsAreRejected(p); |
280 |
> |
assertFalse(p.isTerminated()); |
281 |
|
|
282 |
< |
/** |
283 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
274 |
< |
*/ |
275 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
276 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
277 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
278 |
< |
try { |
279 |
< |
p.shutdown(); |
280 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), |
281 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
282 |
< |
shouldThrow(); |
283 |
< |
} catch (RejectedExecutionException success) { |
284 |
< |
} catch (SecurityException ok) {} |
285 |
< |
} |
286 |
< |
} |
282 |
> |
done.countDown(); // release blocking tasks |
283 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
284 |
|
|
285 |
< |
/** |
289 |
< |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
290 |
< |
*/ |
291 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
292 |
< |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
293 |
< |
try (PoolCleaner cleaner = cleaner(p)) { |
294 |
< |
try { |
295 |
< |
p.shutdown(); |
296 |
< |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
297 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
298 |
< |
shouldThrow(); |
299 |
< |
} catch (RejectedExecutionException success) { |
300 |
< |
} catch (SecurityException ok) {} |
285 |
> |
assertTaskSubmissionsAreRejected(p); |
286 |
|
} |
287 |
+ |
assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount()); |
288 |
|
} |
289 |
|
|
290 |
|
/** |
323 |
|
public void realRun() throws InterruptedException { |
324 |
|
threadStarted.countDown(); |
325 |
|
assertEquals(0, p.getCompletedTaskCount()); |
326 |
< |
threadProceed.await(); |
326 |
> |
await(threadProceed); |
327 |
|
threadDone.countDown(); |
328 |
|
}}); |
329 |
|
await(threadStarted); |
330 |
|
assertEquals(0, p.getCompletedTaskCount()); |
331 |
|
threadProceed.countDown(); |
332 |
< |
threadDone.await(); |
332 |
> |
await(threadDone); |
333 |
|
long startTime = System.nanoTime(); |
334 |
|
while (p.getCompletedTaskCount() != 1) { |
335 |
|
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
468 |
|
} |
469 |
|
|
470 |
|
/** |
471 |
+ |
* The default rejected execution handler is AbortPolicy. |
472 |
+ |
*/ |
473 |
+ |
public void testDefaultRejectedExecutionHandler() { |
474 |
+ |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
475 |
+ |
try (PoolCleaner cleaner = cleaner(p)) { |
476 |
+ |
assertTrue(p.getRejectedExecutionHandler() |
477 |
+ |
instanceof ThreadPoolExecutor.AbortPolicy); |
478 |
+ |
} |
479 |
+ |
} |
480 |
+ |
|
481 |
+ |
/** |
482 |
|
* isShutdown is false before shutdown, true after |
483 |
|
*/ |
484 |
|
public void testIsShutdown() { |
488 |
– |
|
485 |
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
486 |
< |
try { |
487 |
< |
assertFalse(p.isShutdown()); |
488 |
< |
} |
489 |
< |
finally { |
490 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
486 |
> |
assertFalse(p.isShutdown()); |
487 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
488 |
> |
try { |
489 |
> |
p.shutdown(); |
490 |
> |
assertTrue(p.isShutdown()); |
491 |
> |
} catch (SecurityException ok) {} |
492 |
|
} |
496 |
– |
assertTrue(p.isShutdown()); |
493 |
|
} |
494 |
|
|
495 |
|
/** |
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 |
< |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
713 |
< |
for (Boolean policy : allBooleans) |
714 |
< |
{ |
715 |
< |
final int poolSize = 2; |
712 |
> |
final int poolSize = 4; |
713 |
|
final ScheduledThreadPoolExecutor p |
714 |
|
= new ScheduledThreadPoolExecutor(poolSize); |
715 |
< |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
716 |
< |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
717 |
< |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
718 |
< |
if (policy != null) { |
719 |
< |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
720 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
721 |
< |
p.setRemoveOnCancelPolicy(policy); |
722 |
< |
} |
715 |
> |
final BlockingQueue<Runnable> q = p.getQueue(); |
716 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
717 |
> |
final long delay = rnd.nextInt(2); |
718 |
> |
final int rounds = rnd.nextInt(1, 3); |
719 |
> |
final boolean effectiveDelayedPolicy; |
720 |
> |
final boolean effectivePeriodicPolicy; |
721 |
> |
final boolean effectiveRemovePolicy; |
722 |
> |
|
723 |
> |
if (rnd.nextBoolean()) |
724 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy( |
725 |
> |
effectiveDelayedPolicy = rnd.nextBoolean()); |
726 |
> |
else |
727 |
> |
effectiveDelayedPolicy = true; |
728 |
|
assertEquals(effectiveDelayedPolicy, |
729 |
|
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
730 |
+ |
|
731 |
+ |
if (rnd.nextBoolean()) |
732 |
+ |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
733 |
+ |
effectivePeriodicPolicy = rnd.nextBoolean()); |
734 |
+ |
else |
735 |
+ |
effectivePeriodicPolicy = false; |
736 |
|
assertEquals(effectivePeriodicPolicy, |
737 |
|
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
738 |
+ |
|
739 |
+ |
if (rnd.nextBoolean()) |
740 |
+ |
p.setRemoveOnCancelPolicy( |
741 |
+ |
effectiveRemovePolicy = rnd.nextBoolean()); |
742 |
+ |
else |
743 |
+ |
effectiveRemovePolicy = false; |
744 |
|
assertEquals(effectiveRemovePolicy, |
745 |
|
p.getRemoveOnCancelPolicy()); |
746 |
< |
// Strategy: Wedge the pool with poolSize "blocker" threads |
746 |
> |
|
747 |
> |
final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean(); |
748 |
> |
|
749 |
> |
// Strategy: Wedge the pool with one wave of "blocker" tasks, |
750 |
> |
// then add a second wave that waits in the queue until unblocked. |
751 |
|
final AtomicInteger ran = new AtomicInteger(0); |
752 |
|
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
753 |
|
final CountDownLatch unblock = new CountDownLatch(1); |
754 |
< |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
737 |
< |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
738 |
< |
Runnable task = new CheckedRunnable() { public void realRun() |
739 |
< |
throws InterruptedException { |
740 |
< |
poolBlocked.countDown(); |
741 |
< |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
742 |
< |
ran.getAndIncrement(); |
743 |
< |
}}; |
744 |
< |
List<Future<?>> blockers = new ArrayList<>(); |
745 |
< |
List<Future<?>> periodics = new ArrayList<>(); |
746 |
< |
List<Future<?>> delayeds = new ArrayList<>(); |
747 |
< |
for (int i = 0; i < poolSize; i++) |
748 |
< |
blockers.add(p.submit(task)); |
749 |
< |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
750 |
< |
|
751 |
< |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
752 |
< |
1, 1, MILLISECONDS)); |
753 |
< |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
754 |
< |
1, 1, MILLISECONDS)); |
755 |
< |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
754 |
> |
final RuntimeException exception = new RuntimeException(); |
755 |
|
|
756 |
< |
assertTrue(p.getQueue().containsAll(periodics)); |
757 |
< |
assertTrue(p.getQueue().containsAll(delayeds)); |
758 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
759 |
< |
assertTrue(p.isShutdown()); |
760 |
< |
assertFalse(p.isTerminated()); |
761 |
< |
for (Future<?> periodic : periodics) { |
762 |
< |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
764 |
< |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
765 |
< |
} |
766 |
< |
for (Future<?> delayed : delayeds) { |
767 |
< |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
768 |
< |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
769 |
< |
} |
770 |
< |
if (testImplementationDetails) { |
771 |
< |
assertEquals(effectivePeriodicPolicy, |
772 |
< |
p.getQueue().containsAll(periodics)); |
773 |
< |
assertEquals(effectiveDelayedPolicy, |
774 |
< |
p.getQueue().containsAll(delayeds)); |
775 |
< |
} |
776 |
< |
// Release all pool threads |
777 |
< |
unblock.countDown(); |
778 |
< |
|
779 |
< |
for (Future<?> delayed : delayeds) { |
780 |
< |
if (effectiveDelayedPolicy) { |
781 |
< |
assertNull(delayed.get()); |
756 |
> |
class Task implements Runnable { |
757 |
> |
public void run() { |
758 |
> |
try { |
759 |
> |
ran.getAndIncrement(); |
760 |
> |
poolBlocked.countDown(); |
761 |
> |
await(unblock); |
762 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
763 |
|
} |
764 |
|
} |
765 |
< |
if (effectivePeriodicPolicy) { |
766 |
< |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
767 |
< |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
768 |
< |
for (Future<?> periodic : periodics) { |
769 |
< |
assertTrue(periodic.cancel(false)); |
770 |
< |
assertTrue(periodic.isCancelled()); |
771 |
< |
assertTrue(periodic.isDone()); |
765 |
> |
|
766 |
> |
class PeriodicTask extends Task { |
767 |
> |
PeriodicTask(int rounds) { this.rounds = rounds; } |
768 |
> |
int rounds; |
769 |
> |
public void run() { |
770 |
> |
if (--rounds == 0) super.run(); |
771 |
> |
// throw exception to surely terminate this periodic task, |
772 |
> |
// but in a separate execution and in a detectable way. |
773 |
> |
if (rounds == -1) throw exception; |
774 |
|
} |
775 |
|
} |
776 |
+ |
|
777 |
+ |
Runnable task = new Task(); |
778 |
+ |
|
779 |
+ |
List<Future<?>> immediates = new ArrayList<>(); |
780 |
+ |
List<Future<?>> delayeds = new ArrayList<>(); |
781 |
+ |
List<Future<?>> periodics = new ArrayList<>(); |
782 |
+ |
|
783 |
+ |
immediates.add(p.submit(task)); |
784 |
+ |
delayeds.add(p.schedule(task, delay, MILLISECONDS)); |
785 |
+ |
periodics.add(p.scheduleAtFixedRate( |
786 |
+ |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
787 |
+ |
periodics.add(p.scheduleWithFixedDelay( |
788 |
+ |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
789 |
+ |
|
790 |
+ |
await(poolBlocked); |
791 |
+ |
|
792 |
+ |
assertEquals(poolSize, ran.get()); |
793 |
+ |
assertEquals(poolSize, p.getActiveCount()); |
794 |
+ |
assertTrue(q.isEmpty()); |
795 |
+ |
|
796 |
+ |
// Add second wave of tasks. |
797 |
+ |
immediates.add(p.submit(task)); |
798 |
+ |
delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS)); |
799 |
+ |
periodics.add(p.scheduleAtFixedRate( |
800 |
+ |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
801 |
+ |
periodics.add(p.scheduleWithFixedDelay( |
802 |
+ |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
803 |
+ |
|
804 |
+ |
assertEquals(poolSize, q.size()); |
805 |
+ |
assertEquals(poolSize, ran.get()); |
806 |
+ |
|
807 |
+ |
immediates.forEach( |
808 |
+ |
f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L)); |
809 |
+ |
|
810 |
+ |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
811 |
+ |
.forEach(f -> assertFalse(f.isDone())); |
812 |
+ |
|
813 |
+ |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
814 |
+ |
assertTrue(p.isShutdown()); |
815 |
+ |
assertTrue(p.isTerminating()); |
816 |
+ |
assertFalse(p.isTerminated()); |
817 |
+ |
|
818 |
+ |
if (rnd.nextBoolean()) |
819 |
+ |
assertThrows( |
820 |
+ |
RejectedExecutionException.class, |
821 |
+ |
() -> p.submit(task), |
822 |
+ |
() -> p.schedule(task, 1, SECONDS), |
823 |
+ |
() -> p.scheduleAtFixedRate( |
824 |
+ |
new PeriodicTask(1), 1, 1, SECONDS), |
825 |
+ |
() -> p.scheduleWithFixedDelay( |
826 |
+ |
new PeriodicTask(2), 1, 1, SECONDS)); |
827 |
+ |
|
828 |
+ |
assertTrue(q.contains(immediates.get(1))); |
829 |
+ |
assertTrue(!effectiveDelayedPolicy |
830 |
+ |
^ q.contains(delayeds.get(1))); |
831 |
+ |
assertTrue(!effectivePeriodicPolicy |
832 |
+ |
^ q.containsAll(periodics.subList(2, 4))); |
833 |
+ |
|
834 |
+ |
immediates.forEach(f -> assertFalse(f.isDone())); |
835 |
+ |
|
836 |
+ |
assertFalse(delayeds.get(0).isDone()); |
837 |
+ |
if (effectiveDelayedPolicy) |
838 |
+ |
assertFalse(delayeds.get(1).isDone()); |
839 |
+ |
else |
840 |
+ |
assertTrue(delayeds.get(1).isCancelled()); |
841 |
+ |
|
842 |
+ |
if (effectivePeriodicPolicy) |
843 |
+ |
periodics.forEach( |
844 |
+ |
f -> { |
845 |
+ |
assertFalse(f.isDone()); |
846 |
+ |
if (!periodicTasksContinue) { |
847 |
+ |
assertTrue(f.cancel(false)); |
848 |
+ |
assertTrue(f.isCancelled()); |
849 |
+ |
} |
850 |
+ |
}); |
851 |
+ |
else { |
852 |
+ |
periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone())); |
853 |
+ |
periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled())); |
854 |
+ |
} |
855 |
+ |
|
856 |
+ |
unblock.countDown(); // Release all pool threads |
857 |
+ |
|
858 |
|
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
859 |
+ |
assertFalse(p.isTerminating()); |
860 |
|
assertTrue(p.isTerminated()); |
861 |
< |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
862 |
< |
}} |
861 |
> |
|
862 |
> |
assertTrue(q.isEmpty()); |
863 |
> |
|
864 |
> |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
865 |
> |
.forEach(f -> assertTrue(f.isDone())); |
866 |
> |
|
867 |
> |
for (Future<?> f : immediates) assertNull(f.get()); |
868 |
> |
|
869 |
> |
assertNull(delayeds.get(0).get()); |
870 |
> |
if (effectiveDelayedPolicy) |
871 |
> |
assertNull(delayeds.get(1).get()); |
872 |
> |
else |
873 |
> |
assertTrue(delayeds.get(1).isCancelled()); |
874 |
> |
|
875 |
> |
if (periodicTasksContinue) |
876 |
> |
periodics.forEach( |
877 |
> |
f -> { |
878 |
> |
try { f.get(); } |
879 |
> |
catch (ExecutionException success) { |
880 |
> |
assertSame(exception, success.getCause()); |
881 |
> |
} |
882 |
> |
catch (Throwable fail) { threadUnexpectedException(fail); } |
883 |
> |
}); |
884 |
> |
else |
885 |
> |
periodics.forEach(f -> assertTrue(f.isCancelled())); |
886 |
> |
|
887 |
> |
assertEquals(poolSize + 1 |
888 |
> |
+ (effectiveDelayedPolicy ? 1 : 0) |
889 |
> |
+ (periodicTasksContinue ? 2 : 0), |
890 |
> |
ran.get()); |
891 |
> |
} |
892 |
|
|
893 |
|
/** |
894 |
|
* completed submit of callable returns result |
927 |
|
} |
928 |
|
|
929 |
|
/** |
930 |
< |
* invokeAny(null) throws NPE |
930 |
> |
* invokeAny(null) throws NullPointerException |
931 |
|
*/ |
932 |
|
public void testInvokeAny1() throws Exception { |
933 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
940 |
|
} |
941 |
|
|
942 |
|
/** |
943 |
< |
* invokeAny(empty collection) throws IAE |
943 |
> |
* invokeAny(empty collection) throws IllegalArgumentException |
944 |
|
*/ |
945 |
|
public void testInvokeAny2() throws Exception { |
946 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
953 |
|
} |
954 |
|
|
955 |
|
/** |
956 |
< |
* invokeAny(c) throws NPE if c has null elements |
956 |
> |
* invokeAny(c) throws NullPointerException if c has null elements |
957 |
|
*/ |
958 |
|
public void testInvokeAny3() throws Exception { |
959 |
|
CountDownLatch latch = new CountDownLatch(1); |
960 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
961 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
962 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
962 |
> |
List<Callable<String>> l = new ArrayList<>(); |
963 |
|
l.add(latchAwaitingStringTask(latch)); |
964 |
|
l.add(null); |
965 |
|
try { |
976 |
|
public void testInvokeAny4() throws Exception { |
977 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
978 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
979 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
979 |
> |
List<Callable<String>> l = new ArrayList<>(); |
980 |
|
l.add(new NPETask()); |
981 |
|
try { |
982 |
|
e.invokeAny(l); |
993 |
|
public void testInvokeAny5() throws Exception { |
994 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
995 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
996 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
996 |
> |
List<Callable<String>> l = new ArrayList<>(); |
997 |
|
l.add(new StringTask()); |
998 |
|
l.add(new StringTask()); |
999 |
|
String result = e.invokeAny(l); |
1015 |
|
} |
1016 |
|
|
1017 |
|
/** |
1018 |
< |
* invokeAll(empty collection) returns empty collection |
1018 |
> |
* invokeAll(empty collection) returns empty list |
1019 |
|
*/ |
1020 |
|
public void testInvokeAll2() throws Exception { |
1021 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1022 |
+ |
final Collection<Callable<String>> emptyCollection |
1023 |
+ |
= Collections.emptyList(); |
1024 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1025 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1025 |
> |
List<Future<String>> r = e.invokeAll(emptyCollection); |
1026 |
|
assertTrue(r.isEmpty()); |
1027 |
|
} |
1028 |
|
} |
1033 |
|
public void testInvokeAll3() throws Exception { |
1034 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1035 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1036 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1036 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1037 |
|
l.add(new StringTask()); |
1038 |
|
l.add(null); |
1039 |
|
try { |
1049 |
|
public void testInvokeAll4() throws Exception { |
1050 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1051 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1052 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1052 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1053 |
|
l.add(new NPETask()); |
1054 |
|
List<Future<String>> futures = e.invokeAll(l); |
1055 |
|
assertEquals(1, futures.size()); |
1068 |
|
public void testInvokeAll5() throws Exception { |
1069 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1070 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1071 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1071 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1072 |
|
l.add(new StringTask()); |
1073 |
|
l.add(new StringTask()); |
1074 |
|
List<Future<String>> futures = e.invokeAll(l); |
1085 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1086 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1087 |
|
try { |
1088 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1088 |
> |
e.invokeAny(null, randomTimeout(), randomTimeUnit()); |
1089 |
|
shouldThrow(); |
1090 |
|
} catch (NullPointerException success) {} |
1091 |
|
} |
1092 |
|
} |
1093 |
|
|
1094 |
|
/** |
1095 |
< |
* timed invokeAny(,,null) throws NPE |
1095 |
> |
* timed invokeAny(,,null) throws NullPointerException |
1096 |
|
*/ |
1097 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1098 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1099 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1100 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1100 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1101 |
|
l.add(new StringTask()); |
1102 |
|
try { |
1103 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1103 |
> |
e.invokeAny(l, randomTimeout(), null); |
1104 |
|
shouldThrow(); |
1105 |
|
} catch (NullPointerException success) {} |
1106 |
|
} |
1107 |
|
} |
1108 |
|
|
1109 |
|
/** |
1110 |
< |
* timed invokeAny(empty collection) throws IAE |
1110 |
> |
* timed invokeAny(empty collection) throws IllegalArgumentException |
1111 |
|
*/ |
1112 |
|
public void testTimedInvokeAny2() throws Exception { |
1113 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1114 |
+ |
final Collection<Callable<String>> emptyCollection |
1115 |
+ |
= Collections.emptyList(); |
1116 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1117 |
|
try { |
1118 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1118 |
> |
e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit()); |
1119 |
|
shouldThrow(); |
1120 |
|
} catch (IllegalArgumentException success) {} |
1121 |
|
} |
1128 |
|
CountDownLatch latch = new CountDownLatch(1); |
1129 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1130 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1131 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1131 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1132 |
|
l.add(latchAwaitingStringTask(latch)); |
1133 |
|
l.add(null); |
1134 |
|
try { |
1135 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1135 |
> |
e.invokeAny(l, randomTimeout(), randomTimeUnit()); |
1136 |
|
shouldThrow(); |
1137 |
|
} catch (NullPointerException success) {} |
1138 |
|
latch.countDown(); |
1146 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1147 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1148 |
|
long startTime = System.nanoTime(); |
1149 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1149 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1150 |
|
l.add(new NPETask()); |
1151 |
|
try { |
1152 |
|
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1165 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1166 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1167 |
|
long startTime = System.nanoTime(); |
1168 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1168 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1169 |
|
l.add(new StringTask()); |
1170 |
|
l.add(new StringTask()); |
1171 |
|
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1181 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1182 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1183 |
|
try { |
1184 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1184 |
> |
e.invokeAll(null, randomTimeout(), randomTimeUnit()); |
1185 |
|
shouldThrow(); |
1186 |
|
} catch (NullPointerException success) {} |
1187 |
|
} |
1193 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1194 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1195 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1196 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1196 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1197 |
|
l.add(new StringTask()); |
1198 |
|
try { |
1199 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1199 |
> |
e.invokeAll(l, randomTimeout(), null); |
1200 |
|
shouldThrow(); |
1201 |
|
} catch (NullPointerException success) {} |
1202 |
|
} |
1203 |
|
} |
1204 |
|
|
1205 |
|
/** |
1206 |
< |
* timed invokeAll(empty collection) returns empty collection |
1206 |
> |
* timed invokeAll(empty collection) returns empty list |
1207 |
|
*/ |
1208 |
|
public void testTimedInvokeAll2() throws Exception { |
1209 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1210 |
+ |
final Collection<Callable<String>> emptyCollection |
1211 |
+ |
= Collections.emptyList(); |
1212 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1213 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1214 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
1213 |
> |
List<Future<String>> r = |
1214 |
> |
e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit()); |
1215 |
|
assertTrue(r.isEmpty()); |
1216 |
|
} |
1217 |
|
} |
1222 |
|
public void testTimedInvokeAll3() throws Exception { |
1223 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1224 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1225 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1225 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1226 |
|
l.add(new StringTask()); |
1227 |
|
l.add(null); |
1228 |
|
try { |
1229 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1229 |
> |
e.invokeAll(l, randomTimeout(), randomTimeUnit()); |
1230 |
|
shouldThrow(); |
1231 |
|
} catch (NullPointerException success) {} |
1232 |
|
} |
1238 |
|
public void testTimedInvokeAll4() throws Exception { |
1239 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1240 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1241 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1241 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1242 |
|
l.add(new NPETask()); |
1243 |
|
List<Future<String>> futures = |
1244 |
|
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1258 |
|
public void testTimedInvokeAll5() throws Exception { |
1259 |
|
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1260 |
|
try (PoolCleaner cleaner = cleaner(e)) { |
1261 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1261 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1262 |
|
l.add(new StringTask()); |
1263 |
|
l.add(new StringTask()); |
1264 |
|
List<Future<String>> futures = |
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 { |
1307 |
|
} |
1308 |
|
} |
1309 |
|
|
1310 |
+ |
/** |
1311 |
+ |
* A fixed delay task with overflowing period should not prevent a |
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 delayed = () -> { |
1322 |
+ |
delayedDone.countDown(); |
1323 |
+ |
p.submit(() -> immediateDone.countDown()); |
1324 |
+ |
}; |
1325 |
+ |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1326 |
+ |
await(delayedDone); |
1327 |
+ |
await(immediateDone); |
1328 |
+ |
} |
1329 |
+ |
} |
1330 |
+ |
|
1331 |
|
} |