4 |
|
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
|
*/ |
6 |
|
|
7 |
– |
import junit.framework.*; |
8 |
– |
import java.util.*; |
9 |
– |
import java.util.concurrent.*; |
7 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
8 |
+ |
import static java.util.concurrent.TimeUnit.SECONDS; |
9 |
+ |
|
10 |
+ |
import java.util.ArrayList; |
11 |
+ |
import java.util.HashSet; |
12 |
+ |
import java.util.List; |
13 |
+ |
import java.util.concurrent.BlockingQueue; |
14 |
+ |
import java.util.concurrent.Callable; |
15 |
+ |
import java.util.concurrent.CancellationException; |
16 |
+ |
import java.util.concurrent.CountDownLatch; |
17 |
+ |
import java.util.concurrent.Delayed; |
18 |
+ |
import java.util.concurrent.ExecutionException; |
19 |
+ |
import java.util.concurrent.Executors; |
20 |
+ |
import java.util.concurrent.ExecutorService; |
21 |
+ |
import java.util.concurrent.Future; |
22 |
+ |
import java.util.concurrent.RejectedExecutionException; |
23 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
24 |
+ |
import java.util.concurrent.RunnableScheduledFuture; |
25 |
+ |
import java.util.concurrent.ScheduledFuture; |
26 |
+ |
import java.util.concurrent.ScheduledThreadPoolExecutor; |
27 |
+ |
import java.util.concurrent.ThreadFactory; |
28 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
29 |
+ |
import java.util.concurrent.TimeoutException; |
30 |
+ |
import java.util.concurrent.TimeUnit; |
31 |
|
import java.util.concurrent.atomic.AtomicInteger; |
32 |
|
|
33 |
+ |
import junit.framework.Test; |
34 |
+ |
import junit.framework.TestSuite; |
35 |
+ |
|
36 |
|
public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
37 |
|
public static void main(String[] args) { |
38 |
< |
junit.textui.TestRunner.run(suite()); |
38 |
> |
main(suite(), args); |
39 |
|
} |
40 |
|
public static Test suite() { |
41 |
|
return new TestSuite(ScheduledExecutorSubclassTest.class); |
99 |
|
* execute successfully executes a runnable |
100 |
|
*/ |
101 |
|
public void testExecute() throws InterruptedException { |
102 |
< |
CustomExecutor p = new CustomExecutor(1); |
103 |
< |
final CountDownLatch done = new CountDownLatch(1); |
104 |
< |
final Runnable task = new CheckedRunnable() { |
105 |
< |
public void realRun() { |
106 |
< |
done.countDown(); |
84 |
< |
}}; |
85 |
< |
try { |
102 |
> |
final CustomExecutor p = new CustomExecutor(1); |
103 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
104 |
> |
final CountDownLatch done = new CountDownLatch(1); |
105 |
> |
final Runnable task = new CheckedRunnable() { |
106 |
> |
public void realRun() { done.countDown(); }}; |
107 |
|
p.execute(task); |
108 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
88 |
< |
} finally { |
89 |
< |
joinPool(p); |
108 |
> |
await(done); |
109 |
|
} |
110 |
|
} |
111 |
|
|
113 |
|
* delayed schedule of callable successfully executes after delay |
114 |
|
*/ |
115 |
|
public void testSchedule1() throws Exception { |
97 |
– |
CustomExecutor p = new CustomExecutor(1); |
98 |
– |
final long startTime = System.nanoTime(); |
116 |
|
final CountDownLatch done = new CountDownLatch(1); |
117 |
< |
try { |
117 |
> |
final CustomExecutor p = new CustomExecutor(1); |
118 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
119 |
> |
final long startTime = System.nanoTime(); |
120 |
|
Callable task = new CheckedCallable<Boolean>() { |
121 |
|
public Boolean realCall() { |
122 |
|
done.countDown(); |
126 |
|
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
127 |
|
assertSame(Boolean.TRUE, f.get()); |
128 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
110 |
– |
assertTrue(done.await(0L, MILLISECONDS)); |
111 |
– |
} finally { |
112 |
– |
joinPool(p); |
129 |
|
} |
130 |
|
} |
131 |
|
|
133 |
|
* delayed schedule of runnable successfully executes after delay |
134 |
|
*/ |
135 |
|
public void testSchedule3() throws Exception { |
136 |
< |
CustomExecutor p = new CustomExecutor(1); |
137 |
< |
final long startTime = System.nanoTime(); |
138 |
< |
final CountDownLatch done = new CountDownLatch(1); |
139 |
< |
try { |
136 |
> |
final CustomExecutor p = new CustomExecutor(1); |
137 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
138 |
> |
final long startTime = System.nanoTime(); |
139 |
> |
final CountDownLatch done = new CountDownLatch(1); |
140 |
|
Runnable task = new CheckedRunnable() { |
141 |
|
public void realRun() { |
142 |
|
done.countDown(); |
146 |
|
await(done); |
147 |
|
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
148 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
133 |
– |
} finally { |
134 |
– |
joinPool(p); |
149 |
|
} |
150 |
|
} |
151 |
|
|
153 |
|
* scheduleAtFixedRate executes runnable after given initial delay |
154 |
|
*/ |
155 |
|
public void testSchedule4() throws InterruptedException { |
156 |
< |
CustomExecutor p = new CustomExecutor(1); |
157 |
< |
final long startTime = System.nanoTime(); |
158 |
< |
final CountDownLatch done = new CountDownLatch(1); |
159 |
< |
try { |
156 |
> |
final CustomExecutor p = new CustomExecutor(1); |
157 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
158 |
> |
final long startTime = System.nanoTime(); |
159 |
> |
final CountDownLatch done = new CountDownLatch(1); |
160 |
|
Runnable task = new CheckedRunnable() { |
161 |
|
public void realRun() { |
162 |
|
done.countDown(); |
168 |
|
await(done); |
169 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
170 |
|
f.cancel(true); |
157 |
– |
} finally { |
158 |
– |
joinPool(p); |
171 |
|
} |
172 |
|
} |
173 |
|
|
175 |
|
* scheduleWithFixedDelay executes runnable after given initial delay |
176 |
|
*/ |
177 |
|
public void testSchedule5() throws InterruptedException { |
178 |
< |
CustomExecutor p = new CustomExecutor(1); |
179 |
< |
final long startTime = System.nanoTime(); |
180 |
< |
final CountDownLatch done = new CountDownLatch(1); |
181 |
< |
try { |
178 |
> |
final CustomExecutor p = new CustomExecutor(1); |
179 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
180 |
> |
final long startTime = System.nanoTime(); |
181 |
> |
final CountDownLatch done = new CountDownLatch(1); |
182 |
|
Runnable task = new CheckedRunnable() { |
183 |
|
public void realRun() { |
184 |
|
done.countDown(); |
190 |
|
await(done); |
191 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
192 |
|
f.cancel(true); |
181 |
– |
} finally { |
182 |
– |
joinPool(p); |
193 |
|
} |
194 |
|
} |
195 |
|
|
202 |
|
* scheduleAtFixedRate executes series of tasks at given rate |
203 |
|
*/ |
204 |
|
public void testFixedRateSequence() throws InterruptedException { |
205 |
< |
CustomExecutor p = new CustomExecutor(1); |
206 |
< |
try { |
205 |
> |
final CustomExecutor p = new CustomExecutor(1); |
206 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
207 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
208 |
|
long startTime = System.nanoTime(); |
209 |
|
int cycles = 10; |
212 |
|
public void realRun() { done.countDown(); }}; |
213 |
|
ScheduledFuture h = |
214 |
|
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
215 |
< |
done.await(); |
215 |
> |
await(done); |
216 |
|
h.cancel(true); |
217 |
|
double normalizedTime = |
218 |
|
(double) millisElapsedSince(startTime) / delay; |
221 |
|
return; |
222 |
|
} |
223 |
|
throw new AssertionError("unexpected execution rate"); |
214 |
– |
} finally { |
215 |
– |
joinPool(p); |
224 |
|
} |
225 |
|
} |
226 |
|
|
228 |
|
* scheduleWithFixedDelay executes series of tasks with given period |
229 |
|
*/ |
230 |
|
public void testFixedDelaySequence() throws InterruptedException { |
231 |
< |
CustomExecutor p = new CustomExecutor(1); |
232 |
< |
try { |
231 |
> |
final CustomExecutor p = new CustomExecutor(1); |
232 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
233 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
234 |
|
long startTime = System.nanoTime(); |
235 |
|
int cycles = 10; |
238 |
|
public void realRun() { done.countDown(); }}; |
239 |
|
ScheduledFuture h = |
240 |
|
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
241 |
< |
done.await(); |
241 |
> |
await(done); |
242 |
|
h.cancel(true); |
243 |
|
double normalizedTime = |
244 |
|
(double) millisElapsedSince(startTime) / delay; |
247 |
|
return; |
248 |
|
} |
249 |
|
throw new AssertionError("unexpected execution rate"); |
242 |
– |
} finally { |
243 |
– |
joinPool(p); |
250 |
|
} |
251 |
|
} |
252 |
|
|
254 |
|
* execute(null) throws NPE |
255 |
|
*/ |
256 |
|
public void testExecuteNull() throws InterruptedException { |
257 |
< |
CustomExecutor se = new CustomExecutor(1); |
258 |
< |
try { |
259 |
< |
se.execute(null); |
260 |
< |
shouldThrow(); |
261 |
< |
} catch (NullPointerException success) {} |
262 |
< |
joinPool(se); |
257 |
> |
final CustomExecutor p = new CustomExecutor(1); |
258 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
259 |
> |
try { |
260 |
> |
p.execute(null); |
261 |
> |
shouldThrow(); |
262 |
> |
} catch (NullPointerException success) {} |
263 |
> |
} |
264 |
|
} |
265 |
|
|
266 |
|
/** |
267 |
|
* schedule(null) throws NPE |
268 |
|
*/ |
269 |
|
public void testScheduleNull() throws InterruptedException { |
270 |
< |
CustomExecutor se = new CustomExecutor(1); |
271 |
< |
try { |
272 |
< |
TrackedCallable callable = null; |
273 |
< |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
274 |
< |
shouldThrow(); |
275 |
< |
} catch (NullPointerException success) {} |
276 |
< |
joinPool(se); |
270 |
> |
final CustomExecutor p = new CustomExecutor(1); |
271 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
272 |
> |
try { |
273 |
> |
TrackedCallable callable = null; |
274 |
> |
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
275 |
> |
shouldThrow(); |
276 |
> |
} catch (NullPointerException success) {} |
277 |
> |
} |
278 |
|
} |
279 |
|
|
280 |
|
/** |
281 |
|
* execute throws RejectedExecutionException if shutdown |
282 |
|
*/ |
283 |
|
public void testSchedule1_RejectedExecutionException() { |
284 |
< |
CustomExecutor se = new CustomExecutor(1); |
285 |
< |
try { |
286 |
< |
se.shutdown(); |
287 |
< |
se.schedule(new NoOpRunnable(), |
288 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
289 |
< |
shouldThrow(); |
290 |
< |
} catch (RejectedExecutionException success) { |
291 |
< |
} catch (SecurityException ok) { |
284 |
> |
final CustomExecutor p = new CustomExecutor(1); |
285 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
286 |
> |
try { |
287 |
> |
p.shutdown(); |
288 |
> |
p.schedule(new NoOpRunnable(), |
289 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
290 |
> |
shouldThrow(); |
291 |
> |
} catch (RejectedExecutionException success) { |
292 |
> |
} catch (SecurityException ok) {} |
293 |
|
} |
285 |
– |
|
286 |
– |
joinPool(se); |
294 |
|
} |
295 |
|
|
296 |
|
/** |
297 |
|
* schedule throws RejectedExecutionException if shutdown |
298 |
|
*/ |
299 |
|
public void testSchedule2_RejectedExecutionException() { |
300 |
< |
CustomExecutor se = new CustomExecutor(1); |
301 |
< |
try { |
302 |
< |
se.shutdown(); |
303 |
< |
se.schedule(new NoOpCallable(), |
304 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
305 |
< |
shouldThrow(); |
306 |
< |
} catch (RejectedExecutionException success) { |
307 |
< |
} catch (SecurityException ok) { |
300 |
> |
final CustomExecutor p = new CustomExecutor(1); |
301 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
302 |
> |
try { |
303 |
> |
p.shutdown(); |
304 |
> |
p.schedule(new NoOpCallable(), |
305 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
306 |
> |
shouldThrow(); |
307 |
> |
} catch (RejectedExecutionException success) { |
308 |
> |
} catch (SecurityException ok) {} |
309 |
|
} |
302 |
– |
joinPool(se); |
310 |
|
} |
311 |
|
|
312 |
|
/** |
313 |
|
* schedule callable throws RejectedExecutionException if shutdown |
314 |
|
*/ |
315 |
|
public void testSchedule3_RejectedExecutionException() { |
316 |
< |
CustomExecutor se = new CustomExecutor(1); |
317 |
< |
try { |
318 |
< |
se.shutdown(); |
319 |
< |
se.schedule(new NoOpCallable(), |
320 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
321 |
< |
shouldThrow(); |
322 |
< |
} catch (RejectedExecutionException success) { |
323 |
< |
} catch (SecurityException ok) { |
316 |
> |
final CustomExecutor p = new CustomExecutor(1); |
317 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
318 |
> |
try { |
319 |
> |
p.shutdown(); |
320 |
> |
p.schedule(new NoOpCallable(), |
321 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
322 |
> |
shouldThrow(); |
323 |
> |
} catch (RejectedExecutionException success) { |
324 |
> |
} catch (SecurityException ok) {} |
325 |
|
} |
318 |
– |
joinPool(se); |
326 |
|
} |
327 |
|
|
328 |
|
/** |
329 |
|
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
330 |
|
*/ |
331 |
|
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
332 |
< |
CustomExecutor se = new CustomExecutor(1); |
333 |
< |
try { |
334 |
< |
se.shutdown(); |
335 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
336 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
337 |
< |
shouldThrow(); |
338 |
< |
} catch (RejectedExecutionException success) { |
339 |
< |
} catch (SecurityException ok) { |
332 |
> |
final CustomExecutor p = new CustomExecutor(1); |
333 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
334 |
> |
try { |
335 |
> |
p.shutdown(); |
336 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), |
337 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
338 |
> |
shouldThrow(); |
339 |
> |
} catch (RejectedExecutionException success) { |
340 |
> |
} catch (SecurityException ok) {} |
341 |
|
} |
334 |
– |
joinPool(se); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
345 |
|
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
346 |
|
*/ |
347 |
|
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
348 |
< |
CustomExecutor se = new CustomExecutor(1); |
349 |
< |
try { |
350 |
< |
se.shutdown(); |
351 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
352 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
353 |
< |
shouldThrow(); |
354 |
< |
} catch (RejectedExecutionException success) { |
355 |
< |
} catch (SecurityException ok) { |
348 |
> |
final CustomExecutor p = new CustomExecutor(1); |
349 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
350 |
> |
try { |
351 |
> |
p.shutdown(); |
352 |
> |
p.scheduleWithFixedDelay(new NoOpRunnable(), |
353 |
> |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
354 |
> |
shouldThrow(); |
355 |
> |
} catch (RejectedExecutionException success) { |
356 |
> |
} catch (SecurityException ok) {} |
357 |
|
} |
350 |
– |
joinPool(se); |
358 |
|
} |
359 |
|
|
360 |
|
/** |
362 |
|
* thread becomes active |
363 |
|
*/ |
364 |
|
public void testGetActiveCount() throws InterruptedException { |
358 |
– |
final ThreadPoolExecutor p = new CustomExecutor(2); |
359 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
365 |
|
final CountDownLatch done = new CountDownLatch(1); |
366 |
< |
try { |
366 |
> |
final ThreadPoolExecutor p = new CustomExecutor(2); |
367 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
368 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
369 |
|
assertEquals(0, p.getActiveCount()); |
370 |
|
p.execute(new CheckedRunnable() { |
371 |
|
public void realRun() throws InterruptedException { |
372 |
|
threadStarted.countDown(); |
373 |
|
assertEquals(1, p.getActiveCount()); |
374 |
< |
done.await(); |
374 |
> |
await(done); |
375 |
|
}}); |
376 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
376 |
> |
await(threadStarted); |
377 |
|
assertEquals(1, p.getActiveCount()); |
371 |
– |
} finally { |
372 |
– |
done.countDown(); |
373 |
– |
joinPool(p); |
378 |
|
} |
379 |
|
} |
380 |
|
|
384 |
|
*/ |
385 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
386 |
|
final ThreadPoolExecutor p = new CustomExecutor(2); |
387 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
388 |
< |
final CountDownLatch threadProceed = new CountDownLatch(1); |
389 |
< |
final CountDownLatch threadDone = new CountDownLatch(1); |
390 |
< |
try { |
387 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
388 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
389 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
390 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
391 |
|
assertEquals(0, p.getCompletedTaskCount()); |
392 |
|
p.execute(new CheckedRunnable() { |
393 |
|
public void realRun() throws InterruptedException { |
406 |
|
fail("timed out"); |
407 |
|
Thread.yield(); |
408 |
|
} |
405 |
– |
} finally { |
406 |
– |
joinPool(p); |
409 |
|
} |
410 |
|
} |
411 |
|
|
413 |
|
* getCorePoolSize returns size given in constructor if not otherwise set |
414 |
|
*/ |
415 |
|
public void testGetCorePoolSize() { |
416 |
< |
CustomExecutor p = new CustomExecutor(1); |
417 |
< |
assertEquals(1, p.getCorePoolSize()); |
418 |
< |
joinPool(p); |
416 |
> |
final CustomExecutor p = new CustomExecutor(1); |
417 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
418 |
> |
assertEquals(1, p.getCorePoolSize()); |
419 |
> |
} |
420 |
|
} |
421 |
|
|
422 |
|
/** |
425 |
|
*/ |
426 |
|
public void testGetLargestPoolSize() throws InterruptedException { |
427 |
|
final int THREADS = 3; |
425 |
– |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
426 |
– |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
428 |
|
final CountDownLatch done = new CountDownLatch(1); |
429 |
< |
try { |
429 |
> |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
430 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
431 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
432 |
|
assertEquals(0, p.getLargestPoolSize()); |
433 |
|
for (int i = 0; i < THREADS; i++) |
434 |
|
p.execute(new CheckedRunnable() { |
435 |
|
public void realRun() throws InterruptedException { |
436 |
|
threadsStarted.countDown(); |
437 |
< |
done.await(); |
437 |
> |
await(done); |
438 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
439 |
|
}}); |
440 |
< |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
438 |
< |
assertEquals(THREADS, p.getLargestPoolSize()); |
439 |
< |
} finally { |
440 |
< |
done.countDown(); |
441 |
< |
joinPool(p); |
440 |
> |
await(threadsStarted); |
441 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
442 |
|
} |
443 |
+ |
assertEquals(THREADS, p.getLargestPoolSize()); |
444 |
|
} |
445 |
|
|
446 |
|
/** |
448 |
|
* become active |
449 |
|
*/ |
450 |
|
public void testGetPoolSize() throws InterruptedException { |
451 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
452 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
451 |
|
final CountDownLatch done = new CountDownLatch(1); |
452 |
< |
try { |
452 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
453 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
454 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
455 |
|
assertEquals(0, p.getPoolSize()); |
456 |
|
p.execute(new CheckedRunnable() { |
457 |
|
public void realRun() throws InterruptedException { |
458 |
|
threadStarted.countDown(); |
459 |
|
assertEquals(1, p.getPoolSize()); |
460 |
< |
done.await(); |
460 |
> |
await(done); |
461 |
|
}}); |
462 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
462 |
> |
await(threadStarted); |
463 |
|
assertEquals(1, p.getPoolSize()); |
464 |
– |
} finally { |
465 |
– |
done.countDown(); |
466 |
– |
joinPool(p); |
464 |
|
} |
465 |
|
} |
466 |
|
|
469 |
|
* submitted |
470 |
|
*/ |
471 |
|
public void testGetTaskCount() throws InterruptedException { |
472 |
< |
final ThreadPoolExecutor p = new CustomExecutor(1); |
476 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
472 |
> |
final int TASKS = 3; |
473 |
|
final CountDownLatch done = new CountDownLatch(1); |
474 |
< |
final int TASKS = 5; |
475 |
< |
try { |
474 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
475 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
476 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
477 |
|
assertEquals(0, p.getTaskCount()); |
478 |
< |
for (int i = 0; i < TASKS; i++) |
478 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
479 |
> |
p.execute(new CheckedRunnable() { |
480 |
> |
public void realRun() throws InterruptedException { |
481 |
> |
threadStarted.countDown(); |
482 |
> |
await(done); |
483 |
> |
}}); |
484 |
> |
await(threadStarted); |
485 |
> |
assertEquals(1, p.getTaskCount()); |
486 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
487 |
> |
for (int i = 0; i < TASKS; i++) { |
488 |
> |
assertEquals(1 + i, p.getTaskCount()); |
489 |
|
p.execute(new CheckedRunnable() { |
490 |
|
public void realRun() throws InterruptedException { |
491 |
|
threadStarted.countDown(); |
492 |
< |
done.await(); |
492 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
493 |
> |
await(done); |
494 |
|
}}); |
495 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
496 |
< |
assertEquals(TASKS, p.getTaskCount()); |
497 |
< |
} finally { |
490 |
< |
done.countDown(); |
491 |
< |
joinPool(p); |
495 |
> |
} |
496 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
497 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
498 |
|
} |
499 |
+ |
assertEquals(1 + TASKS, p.getTaskCount()); |
500 |
+ |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
501 |
|
} |
502 |
|
|
503 |
|
/** |
504 |
|
* getThreadFactory returns factory in constructor if not set |
505 |
|
*/ |
506 |
|
public void testGetThreadFactory() { |
507 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
508 |
< |
CustomExecutor p = new CustomExecutor(1, tf); |
509 |
< |
assertSame(tf, p.getThreadFactory()); |
510 |
< |
joinPool(p); |
507 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
508 |
> |
final CustomExecutor p = new CustomExecutor(1, threadFactory); |
509 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
510 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
511 |
> |
} |
512 |
|
} |
513 |
|
|
514 |
|
/** |
515 |
|
* setThreadFactory sets the thread factory returned by getThreadFactory |
516 |
|
*/ |
517 |
|
public void testSetThreadFactory() { |
518 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
519 |
< |
CustomExecutor p = new CustomExecutor(1); |
520 |
< |
p.setThreadFactory(tf); |
521 |
< |
assertSame(tf, p.getThreadFactory()); |
522 |
< |
joinPool(p); |
518 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
519 |
> |
final CustomExecutor p = new CustomExecutor(1); |
520 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
521 |
> |
p.setThreadFactory(threadFactory); |
522 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
523 |
> |
} |
524 |
|
} |
525 |
|
|
526 |
|
/** |
527 |
|
* setThreadFactory(null) throws NPE |
528 |
|
*/ |
529 |
|
public void testSetThreadFactoryNull() { |
530 |
< |
CustomExecutor p = new CustomExecutor(1); |
531 |
< |
try { |
532 |
< |
p.setThreadFactory(null); |
533 |
< |
shouldThrow(); |
534 |
< |
} catch (NullPointerException success) { |
535 |
< |
} finally { |
526 |
< |
joinPool(p); |
530 |
> |
final CustomExecutor p = new CustomExecutor(1); |
531 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
532 |
> |
try { |
533 |
> |
p.setThreadFactory(null); |
534 |
> |
shouldThrow(); |
535 |
> |
} catch (NullPointerException success) {} |
536 |
|
} |
537 |
|
} |
538 |
|
|
540 |
|
* isShutdown is false before shutdown, true after |
541 |
|
*/ |
542 |
|
public void testIsShutdown() { |
543 |
< |
CustomExecutor p = new CustomExecutor(1); |
544 |
< |
try { |
543 |
> |
final CustomExecutor p = new CustomExecutor(1); |
544 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
545 |
|
assertFalse(p.isShutdown()); |
537 |
– |
} |
538 |
– |
finally { |
546 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
547 |
+ |
assertTrue(p.isShutdown()); |
548 |
|
} |
541 |
– |
assertTrue(p.isShutdown()); |
549 |
|
} |
550 |
|
|
551 |
|
/** |
552 |
|
* isTerminated is false before termination, true after |
553 |
|
*/ |
554 |
|
public void testIsTerminated() throws InterruptedException { |
548 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
549 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
555 |
|
final CountDownLatch done = new CountDownLatch(1); |
556 |
< |
assertFalse(p.isTerminated()); |
557 |
< |
try { |
556 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
557 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
558 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
559 |
|
p.execute(new CheckedRunnable() { |
560 |
|
public void realRun() throws InterruptedException { |
561 |
|
assertFalse(p.isTerminated()); |
562 |
|
threadStarted.countDown(); |
563 |
< |
done.await(); |
563 |
> |
await(done); |
564 |
|
}}); |
565 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
565 |
> |
await(threadStarted); |
566 |
> |
assertFalse(p.isTerminated()); |
567 |
|
assertFalse(p.isTerminating()); |
568 |
|
done.countDown(); |
562 |
– |
} finally { |
569 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
570 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
571 |
+ |
assertTrue(p.isTerminated()); |
572 |
|
} |
565 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
566 |
– |
assertTrue(p.isTerminated()); |
573 |
|
} |
574 |
|
|
575 |
|
/** |
576 |
|
* isTerminating is not true when running or when terminated |
577 |
|
*/ |
578 |
|
public void testIsTerminating() throws InterruptedException { |
573 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
574 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
579 |
|
final CountDownLatch done = new CountDownLatch(1); |
580 |
< |
try { |
580 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
581 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
582 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
583 |
|
assertFalse(p.isTerminating()); |
584 |
|
p.execute(new CheckedRunnable() { |
585 |
|
public void realRun() throws InterruptedException { |
586 |
|
assertFalse(p.isTerminating()); |
587 |
|
threadStarted.countDown(); |
588 |
< |
done.await(); |
588 |
> |
await(done); |
589 |
|
}}); |
590 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
590 |
> |
await(threadStarted); |
591 |
|
assertFalse(p.isTerminating()); |
592 |
|
done.countDown(); |
587 |
– |
} finally { |
593 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
594 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
595 |
+ |
assertTrue(p.isTerminated()); |
596 |
+ |
assertFalse(p.isTerminating()); |
597 |
|
} |
590 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
591 |
– |
assertTrue(p.isTerminated()); |
592 |
– |
assertFalse(p.isTerminating()); |
598 |
|
} |
599 |
|
|
600 |
|
/** |
601 |
|
* getQueue returns the work queue, which contains queued tasks |
602 |
|
*/ |
603 |
|
public void testGetQueue() throws InterruptedException { |
599 |
– |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
600 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
604 |
|
final CountDownLatch done = new CountDownLatch(1); |
605 |
< |
try { |
605 |
> |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
606 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
607 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
608 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
609 |
|
for (int i = 0; i < tasks.length; i++) { |
610 |
|
Runnable r = new CheckedRunnable() { |
611 |
|
public void realRun() throws InterruptedException { |
612 |
|
threadStarted.countDown(); |
613 |
< |
done.await(); |
613 |
> |
await(done); |
614 |
|
}}; |
615 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
616 |
|
} |
617 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
617 |
> |
await(threadStarted); |
618 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
619 |
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
620 |
|
assertFalse(q.contains(tasks[0])); |
616 |
– |
} finally { |
617 |
– |
done.countDown(); |
618 |
– |
joinPool(p); |
621 |
|
} |
622 |
|
} |
623 |
|
|
625 |
|
* remove(task) removes queued task, and fails to remove active task |
626 |
|
*/ |
627 |
|
public void testRemove() throws InterruptedException { |
626 |
– |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
627 |
– |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
628 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
628 |
|
final CountDownLatch done = new CountDownLatch(1); |
629 |
< |
try { |
629 |
> |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
630 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
631 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
632 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
633 |
|
for (int i = 0; i < tasks.length; i++) { |
634 |
|
Runnable r = new CheckedRunnable() { |
635 |
|
public void realRun() throws InterruptedException { |
636 |
|
threadStarted.countDown(); |
637 |
< |
done.await(); |
637 |
> |
await(done); |
638 |
|
}}; |
639 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
640 |
|
} |
641 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
641 |
> |
await(threadStarted); |
642 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
643 |
|
assertFalse(p.remove((Runnable)tasks[0])); |
644 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
649 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
650 |
|
assertTrue(p.remove((Runnable)tasks[3])); |
651 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
650 |
– |
} finally { |
651 |
– |
done.countDown(); |
652 |
– |
joinPool(p); |
652 |
|
} |
653 |
|
} |
654 |
|
|
656 |
|
* purge removes cancelled tasks from the queue |
657 |
|
*/ |
658 |
|
public void testPurge() throws InterruptedException { |
659 |
< |
CustomExecutor p = new CustomExecutor(1); |
660 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
661 |
< |
for (int i = 0; i < tasks.length; i++) |
662 |
< |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
663 |
< |
LONG_DELAY_MS, MILLISECONDS); |
664 |
< |
try { |
659 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
660 |
> |
final Runnable releaser = new Runnable() { public void run() { |
661 |
> |
for (ScheduledFuture task : tasks) |
662 |
> |
if (task != null) task.cancel(true); }}; |
663 |
> |
final CustomExecutor p = new CustomExecutor(1); |
664 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
665 |
> |
for (int i = 0; i < tasks.length; i++) |
666 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
667 |
> |
LONG_DELAY_MS, MILLISECONDS); |
668 |
|
int max = tasks.length; |
669 |
|
if (tasks[4].cancel(true)) --max; |
670 |
|
if (tasks[3].cancel(true)) --max; |
676 |
|
long count = p.getTaskCount(); |
677 |
|
if (count == max) |
678 |
|
return; |
679 |
< |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
679 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
680 |
|
fail("Purge failed to remove cancelled tasks"); |
679 |
– |
} finally { |
680 |
– |
for (ScheduledFuture task : tasks) |
681 |
– |
task.cancel(true); |
682 |
– |
joinPool(p); |
681 |
|
} |
682 |
|
} |
683 |
|
|
684 |
|
/** |
685 |
< |
* shutdownNow returns a list containing tasks that were not run |
685 |
> |
* shutdownNow returns a list containing tasks that were not run, |
686 |
> |
* and those tasks are drained from the queue |
687 |
|
*/ |
688 |
< |
public void testShutdownNow() { |
689 |
< |
CustomExecutor p = new CustomExecutor(1); |
690 |
< |
for (int i = 0; i < 5; i++) |
691 |
< |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
692 |
< |
LONG_DELAY_MS, MILLISECONDS); |
688 |
> |
public void testShutdownNow() throws InterruptedException { |
689 |
> |
final int poolSize = 2; |
690 |
> |
final int count = 5; |
691 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
692 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
693 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
694 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
695 |
> |
threadsStarted.countDown(); |
696 |
> |
try { |
697 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
698 |
> |
} catch (InterruptedException success) {} |
699 |
> |
ran.getAndIncrement(); |
700 |
> |
}}; |
701 |
> |
for (int i = 0; i < count; i++) |
702 |
> |
p.execute(waiter); |
703 |
> |
await(threadsStarted); |
704 |
> |
assertEquals(poolSize, p.getActiveCount()); |
705 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
706 |
> |
final List<Runnable> queuedTasks; |
707 |
|
try { |
708 |
< |
List<Runnable> l = p.shutdownNow(); |
696 |
< |
assertTrue(p.isShutdown()); |
697 |
< |
assertEquals(5, l.size()); |
708 |
> |
queuedTasks = p.shutdownNow(); |
709 |
|
} catch (SecurityException ok) { |
710 |
< |
// Allowed in case test doesn't have privs |
700 |
< |
} finally { |
701 |
< |
joinPool(p); |
710 |
> |
return; // Allowed in case test doesn't have privs |
711 |
|
} |
712 |
+ |
assertTrue(p.isShutdown()); |
713 |
+ |
assertTrue(p.getQueue().isEmpty()); |
714 |
+ |
assertEquals(count - poolSize, queuedTasks.size()); |
715 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
716 |
+ |
assertTrue(p.isTerminated()); |
717 |
+ |
assertEquals(poolSize, ran.get()); |
718 |
+ |
assertEquals(poolSize, p.getCompletedTaskCount()); |
719 |
|
} |
720 |
|
|
721 |
|
/** |
722 |
< |
* In default setting, shutdown cancels periodic but not delayed |
723 |
< |
* tasks at shutdown |
722 |
> |
* shutdownNow returns a list containing tasks that were not run, |
723 |
> |
* and those tasks are drained from the queue |
724 |
|
*/ |
725 |
< |
public void testShutdown1() throws InterruptedException { |
726 |
< |
CustomExecutor p = new CustomExecutor(1); |
727 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
728 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
729 |
< |
|
730 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
731 |
< |
for (int i = 0; i < tasks.length; i++) |
732 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
733 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
734 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
735 |
< |
BlockingQueue<Runnable> q = p.getQueue(); |
736 |
< |
for (ScheduledFuture task : tasks) { |
737 |
< |
assertFalse(task.isDone()); |
738 |
< |
assertFalse(task.isCancelled()); |
739 |
< |
assertTrue(q.contains(task)); |
725 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
726 |
> |
final CustomExecutor p = new CustomExecutor(1); |
727 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
728 |
> |
for (int i = 0; i < 3; i++) { |
729 |
> |
Runnable r = new NoOpRunnable(); |
730 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
731 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
732 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
733 |
> |
} |
734 |
> |
if (testImplementationDetails) |
735 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
736 |
> |
final List<Runnable> queuedTasks; |
737 |
> |
try { |
738 |
> |
queuedTasks = p.shutdownNow(); |
739 |
> |
} catch (SecurityException ok) { |
740 |
> |
return; // Allowed in case test doesn't have privs |
741 |
|
} |
742 |
|
assertTrue(p.isShutdown()); |
743 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
744 |
< |
assertTrue(p.isTerminated()); |
743 |
> |
assertTrue(p.getQueue().isEmpty()); |
744 |
> |
if (testImplementationDetails) |
745 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
746 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
747 |
|
for (ScheduledFuture task : tasks) { |
748 |
< |
assertTrue(task.isDone()); |
748 |
> |
assertFalse(((CustomTask)task).ran); |
749 |
> |
assertFalse(task.isDone()); |
750 |
|
assertFalse(task.isCancelled()); |
751 |
|
} |
752 |
< |
} |
733 |
< |
|
734 |
< |
/** |
735 |
< |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
736 |
< |
* delayed tasks are cancelled at shutdown |
737 |
< |
*/ |
738 |
< |
public void testShutdown2() throws InterruptedException { |
739 |
< |
CustomExecutor p = new CustomExecutor(1); |
740 |
< |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
741 |
< |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
742 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
743 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
744 |
< |
for (int i = 0; i < tasks.length; i++) |
745 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
746 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
747 |
< |
BlockingQueue q = p.getQueue(); |
748 |
< |
assertEquals(tasks.length, q.size()); |
749 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
750 |
< |
assertTrue(p.isShutdown()); |
751 |
< |
assertTrue(q.isEmpty()); |
752 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
752 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
753 |
|
assertTrue(p.isTerminated()); |
754 |
– |
for (ScheduledFuture task : tasks) { |
755 |
– |
assertTrue(task.isDone()); |
756 |
– |
assertTrue(task.isCancelled()); |
757 |
– |
} |
754 |
|
} |
755 |
|
|
756 |
|
/** |
757 |
< |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
758 |
< |
* periodic tasks are cancelled at shutdown |
759 |
< |
*/ |
760 |
< |
public void testShutdown3() throws InterruptedException { |
761 |
< |
CustomExecutor p = new CustomExecutor(1); |
762 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
763 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
764 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
765 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
766 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
767 |
< |
long initialDelay = LONG_DELAY_MS; |
768 |
< |
ScheduledFuture task = |
769 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
770 |
< |
5, MILLISECONDS); |
757 |
> |
* By default, periodic tasks are cancelled at shutdown. |
758 |
> |
* By default, delayed tasks keep running after shutdown. |
759 |
> |
* Check that changing the default values work: |
760 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
761 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
762 |
> |
*/ |
763 |
> |
public void testShutdown_cancellation() throws Exception { |
764 |
> |
Boolean[] allBooleans = { null, Boolean.FALSE, Boolean.TRUE }; |
765 |
> |
for (Boolean policy : allBooleans) |
766 |
> |
{ |
767 |
> |
final int poolSize = 2; |
768 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
769 |
> |
final boolean effectiveDelayedPolicy = (policy != Boolean.FALSE); |
770 |
> |
final boolean effectivePeriodicPolicy = (policy == Boolean.TRUE); |
771 |
> |
final boolean effectiveRemovePolicy = (policy == Boolean.TRUE); |
772 |
> |
if (policy != null) { |
773 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(policy); |
774 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(policy); |
775 |
> |
p.setRemoveOnCancelPolicy(policy); |
776 |
> |
} |
777 |
> |
assertEquals(effectiveDelayedPolicy, |
778 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
779 |
> |
assertEquals(effectivePeriodicPolicy, |
780 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
781 |
> |
assertEquals(effectiveRemovePolicy, |
782 |
> |
p.getRemoveOnCancelPolicy()); |
783 |
> |
// Strategy: Wedge the pool with poolSize "blocker" threads |
784 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
785 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
786 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
787 |
> |
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
788 |
> |
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
789 |
> |
Runnable task = new CheckedRunnable() { public void realRun() |
790 |
> |
throws InterruptedException { |
791 |
> |
poolBlocked.countDown(); |
792 |
> |
assertTrue(unblock.await(LONG_DELAY_MS, MILLISECONDS)); |
793 |
> |
ran.getAndIncrement(); |
794 |
> |
}}; |
795 |
> |
List<Future<?>> blockers = new ArrayList<>(); |
796 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
797 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
798 |
> |
for (int i = 0; i < poolSize; i++) |
799 |
> |
blockers.add(p.submit(task)); |
800 |
> |
assertTrue(poolBlocked.await(LONG_DELAY_MS, MILLISECONDS)); |
801 |
> |
|
802 |
> |
periodics.add(p.scheduleAtFixedRate(countDowner(periodicLatch1), |
803 |
> |
1, 1, MILLISECONDS)); |
804 |
> |
periodics.add(p.scheduleWithFixedDelay(countDowner(periodicLatch2), |
805 |
> |
1, 1, MILLISECONDS)); |
806 |
> |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
807 |
> |
|
808 |
> |
assertTrue(p.getQueue().containsAll(periodics)); |
809 |
> |
assertTrue(p.getQueue().containsAll(delayeds)); |
810 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
811 |
|
assertTrue(p.isShutdown()); |
812 |
< |
assertTrue(p.getQueue().isEmpty()); |
813 |
< |
assertTrue(task.isDone()); |
814 |
< |
assertTrue(task.isCancelled()); |
815 |
< |
joinPool(p); |
816 |
< |
} |
817 |
< |
|
818 |
< |
/** |
819 |
< |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
820 |
< |
* periodic tasks are not cancelled at shutdown |
821 |
< |
*/ |
822 |
< |
public void testShutdown4() throws InterruptedException { |
823 |
< |
CustomExecutor p = new CustomExecutor(1); |
824 |
< |
final CountDownLatch counter = new CountDownLatch(2); |
825 |
< |
try { |
826 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
827 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
828 |
< |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
829 |
< |
final Runnable r = new CheckedRunnable() { |
830 |
< |
public void realRun() { |
831 |
< |
counter.countDown(); |
832 |
< |
}}; |
833 |
< |
ScheduledFuture task = |
799 |
< |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
800 |
< |
assertFalse(task.isDone()); |
801 |
< |
assertFalse(task.isCancelled()); |
802 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
803 |
< |
assertFalse(task.isCancelled()); |
804 |
< |
assertFalse(p.isTerminated()); |
805 |
< |
assertTrue(p.isShutdown()); |
806 |
< |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
807 |
< |
assertFalse(task.isCancelled()); |
808 |
< |
assertTrue(task.cancel(false)); |
809 |
< |
assertTrue(task.isDone()); |
810 |
< |
assertTrue(task.isCancelled()); |
811 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
812 |
< |
assertTrue(p.isTerminated()); |
812 |
> |
assertFalse(p.isTerminated()); |
813 |
> |
for (Future<?> periodic : periodics) { |
814 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
815 |
> |
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
816 |
> |
} |
817 |
> |
for (Future<?> delayed : delayeds) { |
818 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
819 |
> |
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
820 |
> |
} |
821 |
> |
if (testImplementationDetails) { |
822 |
> |
assertEquals(effectivePeriodicPolicy, |
823 |
> |
p.getQueue().containsAll(periodics)); |
824 |
> |
assertEquals(effectiveDelayedPolicy, |
825 |
> |
p.getQueue().containsAll(delayeds)); |
826 |
> |
} |
827 |
> |
// Release all pool threads |
828 |
> |
unblock.countDown(); |
829 |
> |
|
830 |
> |
for (Future<?> delayed : delayeds) { |
831 |
> |
if (effectiveDelayedPolicy) { |
832 |
> |
assertNull(delayed.get()); |
833 |
> |
} |
834 |
|
} |
835 |
< |
finally { |
836 |
< |
joinPool(p); |
835 |
> |
if (effectivePeriodicPolicy) { |
836 |
> |
assertTrue(periodicLatch1.await(LONG_DELAY_MS, MILLISECONDS)); |
837 |
> |
assertTrue(periodicLatch2.await(LONG_DELAY_MS, MILLISECONDS)); |
838 |
> |
for (Future<?> periodic : periodics) { |
839 |
> |
assertTrue(periodic.cancel(false)); |
840 |
> |
assertTrue(periodic.isCancelled()); |
841 |
> |
assertTrue(periodic.isDone()); |
842 |
> |
} |
843 |
|
} |
844 |
< |
} |
844 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
845 |
> |
assertTrue(p.isTerminated()); |
846 |
> |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
847 |
> |
}} |
848 |
|
|
849 |
|
/** |
850 |
|
* completed submit of callable returns result |
851 |
|
*/ |
852 |
|
public void testSubmitCallable() throws Exception { |
853 |
< |
ExecutorService e = new CustomExecutor(2); |
854 |
< |
try { |
853 |
> |
final ExecutorService e = new CustomExecutor(2); |
854 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
855 |
|
Future<String> future = e.submit(new StringTask()); |
856 |
|
String result = future.get(); |
857 |
|
assertSame(TEST_STRING, result); |
828 |
– |
} finally { |
829 |
– |
joinPool(e); |
858 |
|
} |
859 |
|
} |
860 |
|
|
862 |
|
* completed submit of runnable returns successfully |
863 |
|
*/ |
864 |
|
public void testSubmitRunnable() throws Exception { |
865 |
< |
ExecutorService e = new CustomExecutor(2); |
866 |
< |
try { |
865 |
> |
final ExecutorService e = new CustomExecutor(2); |
866 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
867 |
|
Future<?> future = e.submit(new NoOpRunnable()); |
868 |
|
future.get(); |
869 |
|
assertTrue(future.isDone()); |
842 |
– |
} finally { |
843 |
– |
joinPool(e); |
870 |
|
} |
871 |
|
} |
872 |
|
|
874 |
|
* completed submit of (runnable, result) returns result |
875 |
|
*/ |
876 |
|
public void testSubmitRunnable2() throws Exception { |
877 |
< |
ExecutorService e = new CustomExecutor(2); |
878 |
< |
try { |
877 |
> |
final ExecutorService e = new CustomExecutor(2); |
878 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
879 |
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
880 |
|
String result = future.get(); |
881 |
|
assertSame(TEST_STRING, result); |
856 |
– |
} finally { |
857 |
– |
joinPool(e); |
882 |
|
} |
883 |
|
} |
884 |
|
|
886 |
|
* invokeAny(null) throws NPE |
887 |
|
*/ |
888 |
|
public void testInvokeAny1() throws Exception { |
889 |
< |
ExecutorService e = new CustomExecutor(2); |
890 |
< |
try { |
891 |
< |
e.invokeAny(null); |
892 |
< |
shouldThrow(); |
893 |
< |
} catch (NullPointerException success) { |
894 |
< |
} finally { |
871 |
< |
joinPool(e); |
889 |
> |
final ExecutorService e = new CustomExecutor(2); |
890 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
891 |
> |
try { |
892 |
> |
e.invokeAny(null); |
893 |
> |
shouldThrow(); |
894 |
> |
} catch (NullPointerException success) {} |
895 |
|
} |
896 |
|
} |
897 |
|
|
899 |
|
* invokeAny(empty collection) throws IAE |
900 |
|
*/ |
901 |
|
public void testInvokeAny2() throws Exception { |
902 |
< |
ExecutorService e = new CustomExecutor(2); |
903 |
< |
try { |
904 |
< |
e.invokeAny(new ArrayList<Callable<String>>()); |
905 |
< |
shouldThrow(); |
906 |
< |
} catch (IllegalArgumentException success) { |
907 |
< |
} finally { |
885 |
< |
joinPool(e); |
902 |
> |
final ExecutorService e = new CustomExecutor(2); |
903 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
904 |
> |
try { |
905 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
906 |
> |
shouldThrow(); |
907 |
> |
} catch (IllegalArgumentException success) {} |
908 |
|
} |
909 |
|
} |
910 |
|
|
912 |
|
* invokeAny(c) throws NPE if c has null elements |
913 |
|
*/ |
914 |
|
public void testInvokeAny3() throws Exception { |
915 |
< |
CountDownLatch latch = new CountDownLatch(1); |
916 |
< |
ExecutorService e = new CustomExecutor(2); |
917 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
918 |
< |
l.add(latchAwaitingStringTask(latch)); |
919 |
< |
l.add(null); |
920 |
< |
try { |
921 |
< |
e.invokeAny(l); |
922 |
< |
shouldThrow(); |
923 |
< |
} catch (NullPointerException success) { |
924 |
< |
} finally { |
915 |
> |
final CountDownLatch latch = new CountDownLatch(1); |
916 |
> |
final ExecutorService e = new CustomExecutor(2); |
917 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
918 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
919 |
> |
l.add(latchAwaitingStringTask(latch)); |
920 |
> |
l.add(null); |
921 |
> |
try { |
922 |
> |
e.invokeAny(l); |
923 |
> |
shouldThrow(); |
924 |
> |
} catch (NullPointerException success) {} |
925 |
|
latch.countDown(); |
904 |
– |
joinPool(e); |
926 |
|
} |
927 |
|
} |
928 |
|
|
930 |
|
* invokeAny(c) throws ExecutionException if no task completes |
931 |
|
*/ |
932 |
|
public void testInvokeAny4() throws Exception { |
933 |
< |
ExecutorService e = new CustomExecutor(2); |
934 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
935 |
< |
l.add(new NPETask()); |
936 |
< |
try { |
937 |
< |
e.invokeAny(l); |
938 |
< |
shouldThrow(); |
939 |
< |
} catch (ExecutionException success) { |
940 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
941 |
< |
} finally { |
942 |
< |
joinPool(e); |
933 |
> |
final ExecutorService e = new CustomExecutor(2); |
934 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
935 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
936 |
> |
l.add(new NPETask()); |
937 |
> |
try { |
938 |
> |
e.invokeAny(l); |
939 |
> |
shouldThrow(); |
940 |
> |
} catch (ExecutionException success) { |
941 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
942 |
> |
} |
943 |
|
} |
944 |
|
} |
945 |
|
|
947 |
|
* invokeAny(c) returns result of some task |
948 |
|
*/ |
949 |
|
public void testInvokeAny5() throws Exception { |
950 |
< |
ExecutorService e = new CustomExecutor(2); |
951 |
< |
try { |
950 |
> |
final ExecutorService e = new CustomExecutor(2); |
951 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
952 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
953 |
|
l.add(new StringTask()); |
954 |
|
l.add(new StringTask()); |
955 |
|
String result = e.invokeAny(l); |
956 |
|
assertSame(TEST_STRING, result); |
936 |
– |
} finally { |
937 |
– |
joinPool(e); |
957 |
|
} |
958 |
|
} |
959 |
|
|
961 |
|
* invokeAll(null) throws NPE |
962 |
|
*/ |
963 |
|
public void testInvokeAll1() throws Exception { |
964 |
< |
ExecutorService e = new CustomExecutor(2); |
965 |
< |
try { |
966 |
< |
e.invokeAll(null); |
967 |
< |
shouldThrow(); |
968 |
< |
} catch (NullPointerException success) { |
969 |
< |
} finally { |
951 |
< |
joinPool(e); |
964 |
> |
final ExecutorService e = new CustomExecutor(2); |
965 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
966 |
> |
try { |
967 |
> |
e.invokeAll(null); |
968 |
> |
shouldThrow(); |
969 |
> |
} catch (NullPointerException success) {} |
970 |
|
} |
971 |
|
} |
972 |
|
|
974 |
|
* invokeAll(empty collection) returns empty collection |
975 |
|
*/ |
976 |
|
public void testInvokeAll2() throws Exception { |
977 |
< |
ExecutorService e = new CustomExecutor(2); |
978 |
< |
try { |
977 |
> |
final ExecutorService e = new CustomExecutor(2); |
978 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
979 |
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
980 |
|
assertTrue(r.isEmpty()); |
963 |
– |
} finally { |
964 |
– |
joinPool(e); |
981 |
|
} |
982 |
|
} |
983 |
|
|
985 |
|
* invokeAll(c) throws NPE if c has null elements |
986 |
|
*/ |
987 |
|
public void testInvokeAll3() throws Exception { |
988 |
< |
ExecutorService e = new CustomExecutor(2); |
989 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
990 |
< |
l.add(new StringTask()); |
991 |
< |
l.add(null); |
992 |
< |
try { |
993 |
< |
e.invokeAll(l); |
994 |
< |
shouldThrow(); |
995 |
< |
} catch (NullPointerException success) { |
996 |
< |
} finally { |
981 |
< |
joinPool(e); |
988 |
> |
final ExecutorService e = new CustomExecutor(2); |
989 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
990 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
991 |
> |
l.add(new StringTask()); |
992 |
> |
l.add(null); |
993 |
> |
try { |
994 |
> |
e.invokeAll(l); |
995 |
> |
shouldThrow(); |
996 |
> |
} catch (NullPointerException success) {} |
997 |
|
} |
998 |
|
} |
999 |
|
|
1001 |
|
* get of invokeAll(c) throws exception on failed task |
1002 |
|
*/ |
1003 |
|
public void testInvokeAll4() throws Exception { |
1004 |
< |
ExecutorService e = new CustomExecutor(2); |
1005 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1006 |
< |
l.add(new NPETask()); |
1007 |
< |
List<Future<String>> futures = e.invokeAll(l); |
1008 |
< |
assertEquals(1, futures.size()); |
1009 |
< |
try { |
1010 |
< |
futures.get(0).get(); |
1011 |
< |
shouldThrow(); |
1012 |
< |
} catch (ExecutionException success) { |
1013 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1014 |
< |
} finally { |
1015 |
< |
joinPool(e); |
1004 |
> |
final ExecutorService e = new CustomExecutor(2); |
1005 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1006 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1007 |
> |
l.add(new NPETask()); |
1008 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1009 |
> |
assertEquals(1, futures.size()); |
1010 |
> |
try { |
1011 |
> |
futures.get(0).get(); |
1012 |
> |
shouldThrow(); |
1013 |
> |
} catch (ExecutionException success) { |
1014 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1015 |
> |
} |
1016 |
|
} |
1017 |
|
} |
1018 |
|
|
1020 |
|
* invokeAll(c) returns results of all completed tasks |
1021 |
|
*/ |
1022 |
|
public void testInvokeAll5() throws Exception { |
1023 |
< |
ExecutorService e = new CustomExecutor(2); |
1024 |
< |
try { |
1023 |
> |
final ExecutorService e = new CustomExecutor(2); |
1024 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1025 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1026 |
|
l.add(new StringTask()); |
1027 |
|
l.add(new StringTask()); |
1029 |
|
assertEquals(2, futures.size()); |
1030 |
|
for (Future<String> future : futures) |
1031 |
|
assertSame(TEST_STRING, future.get()); |
1017 |
– |
} finally { |
1018 |
– |
joinPool(e); |
1032 |
|
} |
1033 |
|
} |
1034 |
|
|
1036 |
|
* timed invokeAny(null) throws NPE |
1037 |
|
*/ |
1038 |
|
public void testTimedInvokeAny1() throws Exception { |
1039 |
< |
ExecutorService e = new CustomExecutor(2); |
1040 |
< |
try { |
1041 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1042 |
< |
shouldThrow(); |
1043 |
< |
} catch (NullPointerException success) { |
1044 |
< |
} finally { |
1032 |
< |
joinPool(e); |
1039 |
> |
final ExecutorService e = new CustomExecutor(2); |
1040 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1041 |
> |
try { |
1042 |
> |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1043 |
> |
shouldThrow(); |
1044 |
> |
} catch (NullPointerException success) {} |
1045 |
|
} |
1046 |
|
} |
1047 |
|
|
1049 |
|
* timed invokeAny(,,null) throws NPE |
1050 |
|
*/ |
1051 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1052 |
< |
ExecutorService e = new CustomExecutor(2); |
1053 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1054 |
< |
l.add(new StringTask()); |
1055 |
< |
try { |
1056 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1057 |
< |
shouldThrow(); |
1058 |
< |
} catch (NullPointerException success) { |
1059 |
< |
} finally { |
1048 |
< |
joinPool(e); |
1052 |
> |
final ExecutorService e = new CustomExecutor(2); |
1053 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1054 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1055 |
> |
l.add(new StringTask()); |
1056 |
> |
try { |
1057 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1058 |
> |
shouldThrow(); |
1059 |
> |
} catch (NullPointerException success) {} |
1060 |
|
} |
1061 |
|
} |
1062 |
|
|
1064 |
|
* timed invokeAny(empty collection) throws IAE |
1065 |
|
*/ |
1066 |
|
public void testTimedInvokeAny2() throws Exception { |
1067 |
< |
ExecutorService e = new CustomExecutor(2); |
1068 |
< |
try { |
1069 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1070 |
< |
shouldThrow(); |
1071 |
< |
} catch (IllegalArgumentException success) { |
1072 |
< |
} finally { |
1062 |
< |
joinPool(e); |
1067 |
> |
final ExecutorService e = new CustomExecutor(2); |
1068 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1069 |
> |
try { |
1070 |
> |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1071 |
> |
shouldThrow(); |
1072 |
> |
} catch (IllegalArgumentException success) {} |
1073 |
|
} |
1074 |
|
} |
1075 |
|
|
1078 |
|
*/ |
1079 |
|
public void testTimedInvokeAny3() throws Exception { |
1080 |
|
CountDownLatch latch = new CountDownLatch(1); |
1081 |
< |
ExecutorService e = new CustomExecutor(2); |
1082 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1083 |
< |
l.add(latchAwaitingStringTask(latch)); |
1084 |
< |
l.add(null); |
1085 |
< |
try { |
1086 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1087 |
< |
shouldThrow(); |
1088 |
< |
} catch (NullPointerException success) { |
1089 |
< |
} finally { |
1081 |
> |
final ExecutorService e = new CustomExecutor(2); |
1082 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1083 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1084 |
> |
l.add(latchAwaitingStringTask(latch)); |
1085 |
> |
l.add(null); |
1086 |
> |
try { |
1087 |
> |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1088 |
> |
shouldThrow(); |
1089 |
> |
} catch (NullPointerException success) {} |
1090 |
|
latch.countDown(); |
1081 |
– |
joinPool(e); |
1091 |
|
} |
1092 |
|
} |
1093 |
|
|
1095 |
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1096 |
|
*/ |
1097 |
|
public void testTimedInvokeAny4() throws Exception { |
1098 |
< |
ExecutorService e = new CustomExecutor(2); |
1099 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1100 |
< |
l.add(new NPETask()); |
1101 |
< |
try { |
1102 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1103 |
< |
shouldThrow(); |
1104 |
< |
} catch (ExecutionException success) { |
1105 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1106 |
< |
} finally { |
1107 |
< |
joinPool(e); |
1098 |
> |
final ExecutorService e = new CustomExecutor(2); |
1099 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1100 |
> |
long startTime = System.nanoTime(); |
1101 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1102 |
> |
l.add(new NPETask()); |
1103 |
> |
try { |
1104 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1105 |
> |
shouldThrow(); |
1106 |
> |
} catch (ExecutionException success) { |
1107 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1108 |
> |
} |
1109 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1110 |
|
} |
1111 |
|
} |
1112 |
|
|
1114 |
|
* timed invokeAny(c) returns result of some task |
1115 |
|
*/ |
1116 |
|
public void testTimedInvokeAny5() throws Exception { |
1117 |
< |
ExecutorService e = new CustomExecutor(2); |
1118 |
< |
try { |
1117 |
> |
final ExecutorService e = new CustomExecutor(2); |
1118 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1119 |
> |
long startTime = System.nanoTime(); |
1120 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1121 |
|
l.add(new StringTask()); |
1122 |
|
l.add(new StringTask()); |
1123 |
< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1123 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1124 |
|
assertSame(TEST_STRING, result); |
1125 |
< |
} finally { |
1114 |
< |
joinPool(e); |
1125 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1126 |
|
} |
1127 |
|
} |
1128 |
|
|
1130 |
|
* timed invokeAll(null) throws NPE |
1131 |
|
*/ |
1132 |
|
public void testTimedInvokeAll1() throws Exception { |
1133 |
< |
ExecutorService e = new CustomExecutor(2); |
1134 |
< |
try { |
1135 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1136 |
< |
shouldThrow(); |
1137 |
< |
} catch (NullPointerException success) { |
1138 |
< |
} finally { |
1128 |
< |
joinPool(e); |
1133 |
> |
final ExecutorService e = new CustomExecutor(2); |
1134 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1135 |
> |
try { |
1136 |
> |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1137 |
> |
shouldThrow(); |
1138 |
> |
} catch (NullPointerException success) {} |
1139 |
|
} |
1140 |
|
} |
1141 |
|
|
1143 |
|
* timed invokeAll(,,null) throws NPE |
1144 |
|
*/ |
1145 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1146 |
< |
ExecutorService e = new CustomExecutor(2); |
1147 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1148 |
< |
l.add(new StringTask()); |
1149 |
< |
try { |
1150 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1151 |
< |
shouldThrow(); |
1152 |
< |
} catch (NullPointerException success) { |
1153 |
< |
} finally { |
1144 |
< |
joinPool(e); |
1146 |
> |
final ExecutorService e = new CustomExecutor(2); |
1147 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1148 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1149 |
> |
l.add(new StringTask()); |
1150 |
> |
try { |
1151 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1152 |
> |
shouldThrow(); |
1153 |
> |
} catch (NullPointerException success) {} |
1154 |
|
} |
1155 |
|
} |
1156 |
|
|
1158 |
|
* timed invokeAll(empty collection) returns empty collection |
1159 |
|
*/ |
1160 |
|
public void testTimedInvokeAll2() throws Exception { |
1161 |
< |
ExecutorService e = new CustomExecutor(2); |
1162 |
< |
try { |
1161 |
> |
final ExecutorService e = new CustomExecutor(2); |
1162 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1163 |
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1164 |
|
assertTrue(r.isEmpty()); |
1156 |
– |
} finally { |
1157 |
– |
joinPool(e); |
1165 |
|
} |
1166 |
|
} |
1167 |
|
|
1169 |
|
* timed invokeAll(c) throws NPE if c has null elements |
1170 |
|
*/ |
1171 |
|
public void testTimedInvokeAll3() throws Exception { |
1172 |
< |
ExecutorService e = new CustomExecutor(2); |
1173 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1174 |
< |
l.add(new StringTask()); |
1175 |
< |
l.add(null); |
1176 |
< |
try { |
1177 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1178 |
< |
shouldThrow(); |
1179 |
< |
} catch (NullPointerException success) { |
1180 |
< |
} finally { |
1174 |
< |
joinPool(e); |
1172 |
> |
final ExecutorService e = new CustomExecutor(2); |
1173 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1174 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1175 |
> |
l.add(new StringTask()); |
1176 |
> |
l.add(null); |
1177 |
> |
try { |
1178 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1179 |
> |
shouldThrow(); |
1180 |
> |
} catch (NullPointerException success) {} |
1181 |
|
} |
1182 |
|
} |
1183 |
|
|
1185 |
|
* get of element of invokeAll(c) throws exception on failed task |
1186 |
|
*/ |
1187 |
|
public void testTimedInvokeAll4() throws Exception { |
1188 |
< |
ExecutorService e = new CustomExecutor(2); |
1189 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1190 |
< |
l.add(new NPETask()); |
1191 |
< |
List<Future<String>> futures = |
1192 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1193 |
< |
assertEquals(1, futures.size()); |
1194 |
< |
try { |
1195 |
< |
futures.get(0).get(); |
1196 |
< |
shouldThrow(); |
1197 |
< |
} catch (ExecutionException success) { |
1198 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1199 |
< |
} finally { |
1200 |
< |
joinPool(e); |
1188 |
> |
final ExecutorService e = new CustomExecutor(2); |
1189 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1190 |
> |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1191 |
> |
l.add(new NPETask()); |
1192 |
> |
List<Future<String>> futures = |
1193 |
> |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1194 |
> |
assertEquals(1, futures.size()); |
1195 |
> |
try { |
1196 |
> |
futures.get(0).get(); |
1197 |
> |
shouldThrow(); |
1198 |
> |
} catch (ExecutionException success) { |
1199 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1200 |
> |
} |
1201 |
|
} |
1202 |
|
} |
1203 |
|
|
1205 |
|
* timed invokeAll(c) returns results of all completed tasks |
1206 |
|
*/ |
1207 |
|
public void testTimedInvokeAll5() throws Exception { |
1208 |
< |
ExecutorService e = new CustomExecutor(2); |
1209 |
< |
try { |
1208 |
> |
final ExecutorService e = new CustomExecutor(2); |
1209 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1210 |
|
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1211 |
|
l.add(new StringTask()); |
1212 |
|
l.add(new StringTask()); |
1213 |
|
List<Future<String>> futures = |
1214 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1214 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1215 |
|
assertEquals(2, futures.size()); |
1216 |
|
for (Future<String> future : futures) |
1217 |
|
assertSame(TEST_STRING, future.get()); |
1212 |
– |
} finally { |
1213 |
– |
joinPool(e); |
1218 |
|
} |
1219 |
|
} |
1220 |
|
|
1222 |
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1223 |
|
*/ |
1224 |
|
public void testTimedInvokeAll6() throws Exception { |
1225 |
< |
ExecutorService e = new CustomExecutor(2); |
1226 |
< |
try { |
1227 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1228 |
< |
l.add(new StringTask()); |
1229 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1230 |
< |
l.add(new StringTask()); |
1231 |
< |
List<Future<String>> futures = |
1232 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1233 |
< |
assertEquals(l.size(), futures.size()); |
1234 |
< |
for (Future future : futures) |
1235 |
< |
assertTrue(future.isDone()); |
1236 |
< |
assertFalse(futures.get(0).isCancelled()); |
1237 |
< |
assertTrue(futures.get(1).isCancelled()); |
1238 |
< |
} finally { |
1239 |
< |
joinPool(e); |
1225 |
> |
for (long timeout = timeoutMillis();;) { |
1226 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1227 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1228 |
> |
public String realCall() { |
1229 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1230 |
> |
catch (InterruptedException ok) {} |
1231 |
> |
return "1"; }}; |
1232 |
> |
final ExecutorService p = new CustomExecutor(2); |
1233 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1234 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1235 |
> |
tasks.add(new StringTask("0")); |
1236 |
> |
tasks.add(waiter); |
1237 |
> |
tasks.add(new StringTask("2")); |
1238 |
> |
long startTime = System.nanoTime(); |
1239 |
> |
List<Future<String>> futures = |
1240 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1241 |
> |
assertEquals(tasks.size(), futures.size()); |
1242 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1243 |
> |
for (Future future : futures) |
1244 |
> |
assertTrue(future.isDone()); |
1245 |
> |
assertTrue(futures.get(1).isCancelled()); |
1246 |
> |
try { |
1247 |
> |
assertEquals("0", futures.get(0).get()); |
1248 |
> |
assertEquals("2", futures.get(2).get()); |
1249 |
> |
break; |
1250 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1251 |
> |
timeout *= 2; |
1252 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1253 |
> |
fail("expected exactly one task to be cancelled"); |
1254 |
> |
} |
1255 |
> |
} |
1256 |
|
} |
1257 |
|
} |
1258 |
|
|