15 |
|
import java.util.concurrent.ArrayBlockingQueue; |
16 |
|
import java.util.concurrent.BlockingQueue; |
17 |
|
import java.util.concurrent.Callable; |
18 |
+ |
import java.util.concurrent.CancellationException; |
19 |
|
import java.util.concurrent.CountDownLatch; |
20 |
|
import java.util.concurrent.ExecutionException; |
21 |
|
import java.util.concurrent.Executors; |
29 |
|
import java.util.concurrent.ThreadFactory; |
30 |
|
import java.util.concurrent.ThreadPoolExecutor; |
31 |
|
import java.util.concurrent.TimeUnit; |
32 |
+ |
import java.util.concurrent.atomic.AtomicInteger; |
33 |
|
|
34 |
|
import junit.framework.Test; |
35 |
|
import junit.framework.TestSuite; |
87 |
|
new ThreadPoolExecutor(1, 1, |
88 |
|
LONG_DELAY_MS, MILLISECONDS, |
89 |
|
new ArrayBlockingQueue<Runnable>(10)); |
90 |
< |
final CountDownLatch done = new CountDownLatch(1); |
91 |
< |
final Runnable task = new CheckedRunnable() { |
92 |
< |
public void realRun() { |
93 |
< |
done.countDown(); |
92 |
< |
}}; |
93 |
< |
try { |
90 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
91 |
> |
final CountDownLatch done = new CountDownLatch(1); |
92 |
> |
final Runnable task = new CheckedRunnable() { |
93 |
> |
public void realRun() { done.countDown(); }}; |
94 |
|
p.execute(task); |
95 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
96 |
< |
} finally { |
97 |
< |
joinPool(p); |
95 |
> |
assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS)); |
96 |
|
} |
97 |
|
} |
98 |
|
|
105 |
|
new ThreadPoolExecutor(2, 2, |
106 |
|
LONG_DELAY_MS, MILLISECONDS, |
107 |
|
new ArrayBlockingQueue<Runnable>(10)); |
108 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
109 |
< |
final CountDownLatch done = new CountDownLatch(1); |
110 |
< |
try { |
108 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
109 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
110 |
> |
final CountDownLatch done = new CountDownLatch(1); |
111 |
|
assertEquals(0, p.getActiveCount()); |
112 |
|
p.execute(new CheckedRunnable() { |
113 |
|
public void realRun() throws InterruptedException { |
115 |
|
assertEquals(1, p.getActiveCount()); |
116 |
|
done.await(); |
117 |
|
}}); |
118 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
118 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
119 |
|
assertEquals(1, p.getActiveCount()); |
122 |
– |
} finally { |
120 |
|
done.countDown(); |
124 |
– |
joinPool(p); |
121 |
|
} |
122 |
|
} |
123 |
|
|
126 |
|
*/ |
127 |
|
public void testPrestartCoreThread() { |
128 |
|
final ThreadPoolExecutor p = |
129 |
< |
new ThreadPoolExecutor(2, 2, |
129 |
> |
new ThreadPoolExecutor(2, 6, |
130 |
|
LONG_DELAY_MS, MILLISECONDS, |
131 |
|
new ArrayBlockingQueue<Runnable>(10)); |
132 |
< |
assertEquals(0, p.getPoolSize()); |
133 |
< |
assertTrue(p.prestartCoreThread()); |
134 |
< |
assertEquals(1, p.getPoolSize()); |
135 |
< |
assertTrue(p.prestartCoreThread()); |
136 |
< |
assertEquals(2, p.getPoolSize()); |
137 |
< |
assertFalse(p.prestartCoreThread()); |
138 |
< |
assertEquals(2, p.getPoolSize()); |
139 |
< |
joinPool(p); |
132 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
133 |
> |
assertEquals(0, p.getPoolSize()); |
134 |
> |
assertTrue(p.prestartCoreThread()); |
135 |
> |
assertEquals(1, p.getPoolSize()); |
136 |
> |
assertTrue(p.prestartCoreThread()); |
137 |
> |
assertEquals(2, p.getPoolSize()); |
138 |
> |
assertFalse(p.prestartCoreThread()); |
139 |
> |
assertEquals(2, p.getPoolSize()); |
140 |
> |
p.setCorePoolSize(4); |
141 |
> |
assertTrue(p.prestartCoreThread()); |
142 |
> |
assertEquals(3, p.getPoolSize()); |
143 |
> |
assertTrue(p.prestartCoreThread()); |
144 |
> |
assertEquals(4, p.getPoolSize()); |
145 |
> |
assertFalse(p.prestartCoreThread()); |
146 |
> |
assertEquals(4, p.getPoolSize()); |
147 |
> |
} |
148 |
|
} |
149 |
|
|
150 |
|
/** |
152 |
|
*/ |
153 |
|
public void testPrestartAllCoreThreads() { |
154 |
|
final ThreadPoolExecutor p = |
155 |
< |
new ThreadPoolExecutor(2, 2, |
155 |
> |
new ThreadPoolExecutor(2, 6, |
156 |
|
LONG_DELAY_MS, MILLISECONDS, |
157 |
|
new ArrayBlockingQueue<Runnable>(10)); |
158 |
< |
assertEquals(0, p.getPoolSize()); |
159 |
< |
p.prestartAllCoreThreads(); |
160 |
< |
assertEquals(2, p.getPoolSize()); |
161 |
< |
p.prestartAllCoreThreads(); |
162 |
< |
assertEquals(2, p.getPoolSize()); |
163 |
< |
joinPool(p); |
158 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
159 |
> |
assertEquals(0, p.getPoolSize()); |
160 |
> |
p.prestartAllCoreThreads(); |
161 |
> |
assertEquals(2, p.getPoolSize()); |
162 |
> |
p.prestartAllCoreThreads(); |
163 |
> |
assertEquals(2, p.getPoolSize()); |
164 |
> |
p.setCorePoolSize(4); |
165 |
> |
p.prestartAllCoreThreads(); |
166 |
> |
assertEquals(4, p.getPoolSize()); |
167 |
> |
p.prestartAllCoreThreads(); |
168 |
> |
assertEquals(4, p.getPoolSize()); |
169 |
> |
} |
170 |
|
} |
171 |
|
|
172 |
|
/** |
178 |
|
new ThreadPoolExecutor(2, 2, |
179 |
|
LONG_DELAY_MS, MILLISECONDS, |
180 |
|
new ArrayBlockingQueue<Runnable>(10)); |
181 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
182 |
< |
final CountDownLatch threadProceed = new CountDownLatch(1); |
183 |
< |
final CountDownLatch threadDone = new CountDownLatch(1); |
184 |
< |
try { |
181 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
182 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
183 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
184 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
185 |
|
assertEquals(0, p.getCompletedTaskCount()); |
186 |
|
p.execute(new CheckedRunnable() { |
187 |
|
public void realRun() throws InterruptedException { |
200 |
|
fail("timed out"); |
201 |
|
Thread.yield(); |
202 |
|
} |
193 |
– |
} finally { |
194 |
– |
joinPool(p); |
203 |
|
} |
204 |
|
} |
205 |
|
|
211 |
|
new ThreadPoolExecutor(1, 1, |
212 |
|
LONG_DELAY_MS, MILLISECONDS, |
213 |
|
new ArrayBlockingQueue<Runnable>(10)); |
214 |
< |
assertEquals(1, p.getCorePoolSize()); |
215 |
< |
joinPool(p); |
214 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
215 |
> |
assertEquals(1, p.getCorePoolSize()); |
216 |
> |
} |
217 |
|
} |
218 |
|
|
219 |
|
/** |
224 |
|
new ThreadPoolExecutor(2, 2, |
225 |
|
1000, MILLISECONDS, |
226 |
|
new ArrayBlockingQueue<Runnable>(10)); |
227 |
< |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
228 |
< |
joinPool(p); |
227 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
228 |
> |
assertEquals(1, p.getKeepAliveTime(SECONDS)); |
229 |
> |
} |
230 |
|
} |
231 |
|
|
232 |
|
/** |
233 |
|
* getThreadFactory returns factory in constructor if not set |
234 |
|
*/ |
235 |
|
public void testGetThreadFactory() { |
236 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
236 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
237 |
|
final ThreadPoolExecutor p = |
238 |
|
new ThreadPoolExecutor(1, 2, |
239 |
|
LONG_DELAY_MS, MILLISECONDS, |
240 |
|
new ArrayBlockingQueue<Runnable>(10), |
241 |
< |
tf, |
241 |
> |
threadFactory, |
242 |
|
new NoOpREHandler()); |
243 |
< |
assertSame(tf, p.getThreadFactory()); |
244 |
< |
joinPool(p); |
243 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
244 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
245 |
> |
} |
246 |
|
} |
247 |
|
|
248 |
|
/** |
253 |
|
new ThreadPoolExecutor(1, 2, |
254 |
|
LONG_DELAY_MS, MILLISECONDS, |
255 |
|
new ArrayBlockingQueue<Runnable>(10)); |
256 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
257 |
< |
p.setThreadFactory(tf); |
258 |
< |
assertSame(tf, p.getThreadFactory()); |
259 |
< |
joinPool(p); |
256 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
257 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
258 |
> |
p.setThreadFactory(threadFactory); |
259 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
260 |
> |
} |
261 |
|
} |
262 |
|
|
263 |
|
/** |
268 |
|
new ThreadPoolExecutor(1, 2, |
269 |
|
LONG_DELAY_MS, MILLISECONDS, |
270 |
|
new ArrayBlockingQueue<Runnable>(10)); |
271 |
< |
try { |
272 |
< |
p.setThreadFactory(null); |
273 |
< |
shouldThrow(); |
274 |
< |
} catch (NullPointerException success) { |
275 |
< |
} finally { |
264 |
< |
joinPool(p); |
271 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
272 |
> |
try { |
273 |
> |
p.setThreadFactory(null); |
274 |
> |
shouldThrow(); |
275 |
> |
} catch (NullPointerException success) {} |
276 |
|
} |
277 |
|
} |
278 |
|
|
280 |
|
* getRejectedExecutionHandler returns handler in constructor if not set |
281 |
|
*/ |
282 |
|
public void testGetRejectedExecutionHandler() { |
283 |
< |
final RejectedExecutionHandler h = new NoOpREHandler(); |
283 |
> |
final RejectedExecutionHandler handler = new NoOpREHandler(); |
284 |
|
final ThreadPoolExecutor p = |
285 |
|
new ThreadPoolExecutor(1, 2, |
286 |
|
LONG_DELAY_MS, MILLISECONDS, |
287 |
|
new ArrayBlockingQueue<Runnable>(10), |
288 |
< |
h); |
289 |
< |
assertSame(h, p.getRejectedExecutionHandler()); |
290 |
< |
joinPool(p); |
288 |
> |
handler); |
289 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
290 |
> |
assertSame(handler, p.getRejectedExecutionHandler()); |
291 |
> |
} |
292 |
|
} |
293 |
|
|
294 |
|
/** |
300 |
|
new ThreadPoolExecutor(1, 2, |
301 |
|
LONG_DELAY_MS, MILLISECONDS, |
302 |
|
new ArrayBlockingQueue<Runnable>(10)); |
303 |
< |
RejectedExecutionHandler h = new NoOpREHandler(); |
304 |
< |
p.setRejectedExecutionHandler(h); |
305 |
< |
assertSame(h, p.getRejectedExecutionHandler()); |
306 |
< |
joinPool(p); |
303 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
304 |
> |
RejectedExecutionHandler handler = new NoOpREHandler(); |
305 |
> |
p.setRejectedExecutionHandler(handler); |
306 |
> |
assertSame(handler, p.getRejectedExecutionHandler()); |
307 |
> |
} |
308 |
|
} |
309 |
|
|
310 |
|
/** |
315 |
|
new ThreadPoolExecutor(1, 2, |
316 |
|
LONG_DELAY_MS, MILLISECONDS, |
317 |
|
new ArrayBlockingQueue<Runnable>(10)); |
318 |
< |
try { |
319 |
< |
p.setRejectedExecutionHandler(null); |
320 |
< |
shouldThrow(); |
321 |
< |
} catch (NullPointerException success) { |
322 |
< |
} finally { |
310 |
< |
joinPool(p); |
318 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
319 |
> |
try { |
320 |
> |
p.setRejectedExecutionHandler(null); |
321 |
> |
shouldThrow(); |
322 |
> |
} catch (NullPointerException success) {} |
323 |
|
} |
324 |
|
} |
325 |
|
|
333 |
|
new ThreadPoolExecutor(THREADS, THREADS, |
334 |
|
LONG_DELAY_MS, MILLISECONDS, |
335 |
|
new ArrayBlockingQueue<Runnable>(10)); |
336 |
< |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
337 |
< |
final CountDownLatch done = new CountDownLatch(1); |
338 |
< |
try { |
336 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
337 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
338 |
> |
final CountDownLatch done = new CountDownLatch(1); |
339 |
|
assertEquals(0, p.getLargestPoolSize()); |
340 |
|
for (int i = 0; i < THREADS; i++) |
341 |
|
p.execute(new CheckedRunnable() { |
344 |
|
done.await(); |
345 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
346 |
|
}}); |
347 |
< |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
336 |
< |
assertEquals(THREADS, p.getLargestPoolSize()); |
337 |
< |
} finally { |
338 |
< |
done.countDown(); |
339 |
< |
joinPool(p); |
347 |
> |
assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
348 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
349 |
+ |
done.countDown(); // release pool |
350 |
|
} |
351 |
+ |
assertEquals(THREADS, p.getLargestPoolSize()); |
352 |
|
} |
353 |
|
|
354 |
|
/** |
360 |
|
new ThreadPoolExecutor(2, 3, |
361 |
|
LONG_DELAY_MS, MILLISECONDS, |
362 |
|
new ArrayBlockingQueue<Runnable>(10)); |
363 |
< |
assertEquals(3, p.getMaximumPoolSize()); |
364 |
< |
joinPool(p); |
363 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
364 |
> |
assertEquals(3, p.getMaximumPoolSize()); |
365 |
> |
p.setMaximumPoolSize(5); |
366 |
> |
assertEquals(5, p.getMaximumPoolSize()); |
367 |
> |
p.setMaximumPoolSize(4); |
368 |
> |
assertEquals(4, p.getMaximumPoolSize()); |
369 |
> |
} |
370 |
|
} |
371 |
|
|
372 |
|
/** |
378 |
|
new ThreadPoolExecutor(1, 1, |
379 |
|
LONG_DELAY_MS, MILLISECONDS, |
380 |
|
new ArrayBlockingQueue<Runnable>(10)); |
381 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
382 |
< |
final CountDownLatch done = new CountDownLatch(1); |
383 |
< |
try { |
381 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
382 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
383 |
> |
final CountDownLatch done = new CountDownLatch(1); |
384 |
|
assertEquals(0, p.getPoolSize()); |
385 |
|
p.execute(new CheckedRunnable() { |
386 |
|
public void realRun() throws InterruptedException { |
388 |
|
assertEquals(1, p.getPoolSize()); |
389 |
|
done.await(); |
390 |
|
}}); |
391 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
391 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
392 |
|
assertEquals(1, p.getPoolSize()); |
393 |
< |
} finally { |
379 |
< |
done.countDown(); |
380 |
< |
joinPool(p); |
393 |
> |
done.countDown(); // release pool |
394 |
|
} |
395 |
|
} |
396 |
|
|
402 |
|
new ThreadPoolExecutor(1, 1, |
403 |
|
LONG_DELAY_MS, MILLISECONDS, |
404 |
|
new ArrayBlockingQueue<Runnable>(10)); |
405 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
406 |
< |
final CountDownLatch done = new CountDownLatch(1); |
407 |
< |
try { |
405 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
406 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
407 |
> |
final CountDownLatch done = new CountDownLatch(1); |
408 |
|
assertEquals(0, p.getTaskCount()); |
409 |
|
p.execute(new CheckedRunnable() { |
410 |
|
public void realRun() throws InterruptedException { |
412 |
|
assertEquals(1, p.getTaskCount()); |
413 |
|
done.await(); |
414 |
|
}}); |
415 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
415 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
416 |
|
assertEquals(1, p.getTaskCount()); |
404 |
– |
} finally { |
417 |
|
done.countDown(); |
406 |
– |
joinPool(p); |
418 |
|
} |
419 |
|
} |
420 |
|
|
426 |
|
new ThreadPoolExecutor(1, 1, |
427 |
|
LONG_DELAY_MS, MILLISECONDS, |
428 |
|
new ArrayBlockingQueue<Runnable>(10)); |
429 |
< |
assertFalse(p.isShutdown()); |
430 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
431 |
< |
assertTrue(p.isShutdown()); |
432 |
< |
joinPool(p); |
429 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
430 |
> |
assertFalse(p.isShutdown()); |
431 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
432 |
> |
assertTrue(p.isShutdown()); |
433 |
> |
} |
434 |
|
} |
435 |
|
|
436 |
|
/** |
441 |
|
new ThreadPoolExecutor(1, 1, |
442 |
|
LONG_DELAY_MS, MILLISECONDS, |
443 |
|
new ArrayBlockingQueue<Runnable>(10)); |
444 |
< |
assertFalse(p.isTerminated()); |
445 |
< |
assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); |
446 |
< |
assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); |
447 |
< |
assertFalse(p.awaitTermination(-1L, NANOSECONDS)); |
448 |
< |
assertFalse(p.awaitTermination(-1L, MILLISECONDS)); |
449 |
< |
assertFalse(p.awaitTermination(0L, NANOSECONDS)); |
450 |
< |
assertFalse(p.awaitTermination(0L, MILLISECONDS)); |
451 |
< |
long timeoutNanos = 999999L; |
452 |
< |
long startTime = System.nanoTime(); |
453 |
< |
assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); |
454 |
< |
assertTrue(System.nanoTime() - startTime >= timeoutNanos); |
455 |
< |
assertFalse(p.isTerminated()); |
456 |
< |
startTime = System.nanoTime(); |
457 |
< |
long timeoutMillis = timeoutMillis(); |
458 |
< |
assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); |
459 |
< |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
460 |
< |
assertFalse(p.isTerminated()); |
461 |
< |
p.shutdown(); |
462 |
< |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
463 |
< |
assertTrue(p.isTerminated()); |
444 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
445 |
> |
assertFalse(p.isTerminated()); |
446 |
> |
assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS)); |
447 |
> |
assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS)); |
448 |
> |
assertFalse(p.awaitTermination(-1L, NANOSECONDS)); |
449 |
> |
assertFalse(p.awaitTermination(-1L, MILLISECONDS)); |
450 |
> |
assertFalse(p.awaitTermination(0L, NANOSECONDS)); |
451 |
> |
assertFalse(p.awaitTermination(0L, MILLISECONDS)); |
452 |
> |
long timeoutNanos = 999999L; |
453 |
> |
long startTime = System.nanoTime(); |
454 |
> |
assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS)); |
455 |
> |
assertTrue(System.nanoTime() - startTime >= timeoutNanos); |
456 |
> |
assertFalse(p.isTerminated()); |
457 |
> |
startTime = System.nanoTime(); |
458 |
> |
long timeoutMillis = timeoutMillis(); |
459 |
> |
assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS)); |
460 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
461 |
> |
assertFalse(p.isTerminated()); |
462 |
> |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
463 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
464 |
> |
assertTrue(p.isTerminated()); |
465 |
> |
} |
466 |
|
} |
467 |
|
|
468 |
|
/** |
473 |
|
new ThreadPoolExecutor(1, 1, |
474 |
|
LONG_DELAY_MS, MILLISECONDS, |
475 |
|
new ArrayBlockingQueue<Runnable>(10)); |
476 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
477 |
< |
final CountDownLatch done = new CountDownLatch(1); |
478 |
< |
assertFalse(p.isTerminated()); |
479 |
< |
try { |
476 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
477 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
478 |
> |
final CountDownLatch done = new CountDownLatch(1); |
479 |
> |
assertFalse(p.isTerminating()); |
480 |
|
p.execute(new CheckedRunnable() { |
481 |
|
public void realRun() throws InterruptedException { |
482 |
< |
assertFalse(p.isTerminated()); |
482 |
> |
assertFalse(p.isTerminating()); |
483 |
|
threadStarted.countDown(); |
484 |
|
done.await(); |
485 |
|
}}); |
486 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
486 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
487 |
|
assertFalse(p.isTerminating()); |
488 |
|
done.countDown(); |
475 |
– |
} finally { |
489 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
490 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
491 |
+ |
assertTrue(p.isTerminated()); |
492 |
+ |
assertFalse(p.isTerminating()); |
493 |
|
} |
478 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
479 |
– |
assertTrue(p.isTerminated()); |
494 |
|
} |
495 |
|
|
496 |
|
/** |
501 |
|
new ThreadPoolExecutor(1, 1, |
502 |
|
LONG_DELAY_MS, MILLISECONDS, |
503 |
|
new ArrayBlockingQueue<Runnable>(10)); |
504 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
505 |
< |
final CountDownLatch done = new CountDownLatch(1); |
506 |
< |
try { |
504 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
505 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
506 |
> |
final CountDownLatch done = new CountDownLatch(1); |
507 |
|
assertFalse(p.isTerminating()); |
508 |
|
p.execute(new CheckedRunnable() { |
509 |
|
public void realRun() throws InterruptedException { |
511 |
|
threadStarted.countDown(); |
512 |
|
done.await(); |
513 |
|
}}); |
514 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
514 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
515 |
|
assertFalse(p.isTerminating()); |
516 |
|
done.countDown(); |
503 |
– |
} finally { |
517 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
518 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
519 |
+ |
assertTrue(p.isTerminated()); |
520 |
+ |
assertFalse(p.isTerminating()); |
521 |
|
} |
506 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
507 |
– |
assertTrue(p.isTerminated()); |
508 |
– |
assertFalse(p.isTerminating()); |
522 |
|
} |
523 |
|
|
524 |
|
/** |
530 |
|
new ThreadPoolExecutor(1, 1, |
531 |
|
LONG_DELAY_MS, MILLISECONDS, |
532 |
|
q); |
533 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
534 |
< |
final CountDownLatch done = new CountDownLatch(1); |
535 |
< |
try { |
533 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
534 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
535 |
> |
final CountDownLatch done = new CountDownLatch(1); |
536 |
|
FutureTask[] tasks = new FutureTask[5]; |
537 |
|
for (int i = 0; i < tasks.length; i++) { |
538 |
|
Callable task = new CheckedCallable<Boolean>() { |
545 |
|
tasks[i] = new FutureTask(task); |
546 |
|
p.execute(tasks[i]); |
547 |
|
} |
548 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
548 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
549 |
|
assertSame(q, p.getQueue()); |
550 |
|
assertFalse(q.contains(tasks[0])); |
551 |
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
552 |
|
assertEquals(tasks.length - 1, q.size()); |
540 |
– |
} finally { |
553 |
|
done.countDown(); |
542 |
– |
joinPool(p); |
554 |
|
} |
555 |
|
} |
556 |
|
|
563 |
|
new ThreadPoolExecutor(1, 1, |
564 |
|
LONG_DELAY_MS, MILLISECONDS, |
565 |
|
q); |
566 |
< |
Runnable[] tasks = new Runnable[5]; |
567 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
568 |
< |
final CountDownLatch done = new CountDownLatch(1); |
569 |
< |
try { |
566 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
567 |
> |
Runnable[] tasks = new Runnable[6]; |
568 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
569 |
> |
final CountDownLatch done = new CountDownLatch(1); |
570 |
|
for (int i = 0; i < tasks.length; i++) { |
571 |
|
tasks[i] = new CheckedRunnable() { |
572 |
|
public void realRun() throws InterruptedException { |
575 |
|
}}; |
576 |
|
p.execute(tasks[i]); |
577 |
|
} |
578 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
578 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
579 |
|
assertFalse(p.remove(tasks[0])); |
580 |
|
assertTrue(q.contains(tasks[4])); |
581 |
|
assertTrue(q.contains(tasks[3])); |
585 |
|
assertTrue(q.contains(tasks[3])); |
586 |
|
assertTrue(p.remove(tasks[3])); |
587 |
|
assertFalse(q.contains(tasks[3])); |
577 |
– |
} finally { |
588 |
|
done.countDown(); |
579 |
– |
joinPool(p); |
589 |
|
} |
590 |
|
} |
591 |
|
|
600 |
|
new ThreadPoolExecutor(1, 1, |
601 |
|
LONG_DELAY_MS, MILLISECONDS, |
602 |
|
q); |
603 |
< |
FutureTask[] tasks = new FutureTask[5]; |
604 |
< |
try { |
603 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
604 |
> |
FutureTask[] tasks = new FutureTask[5]; |
605 |
|
for (int i = 0; i < tasks.length; i++) { |
606 |
|
Callable task = new CheckedCallable<Boolean>() { |
607 |
|
public Boolean realCall() throws InterruptedException { |
612 |
|
tasks[i] = new FutureTask(task); |
613 |
|
p.execute(tasks[i]); |
614 |
|
} |
615 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
615 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
616 |
|
assertEquals(tasks.length, p.getTaskCount()); |
617 |
|
assertEquals(tasks.length - 1, q.size()); |
618 |
|
assertEquals(1L, p.getActiveCount()); |
625 |
|
p.purge(); // Nothing to do |
626 |
|
assertEquals(tasks.length - 3, q.size()); |
627 |
|
assertEquals(tasks.length - 2, p.getTaskCount()); |
619 |
– |
} finally { |
628 |
|
done.countDown(); |
621 |
– |
joinPool(p); |
629 |
|
} |
630 |
|
} |
631 |
|
|
632 |
|
/** |
633 |
< |
* shutdownNow returns a list containing tasks that were not run |
633 |
> |
* shutdownNow returns a list containing tasks that were not run, |
634 |
> |
* and those tasks are drained from the queue |
635 |
|
*/ |
636 |
< |
public void testShutdownNow() { |
636 |
> |
public void testShutdownNow() throws InterruptedException { |
637 |
> |
final int poolSize = 2; |
638 |
> |
final int count = 5; |
639 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
640 |
|
final ThreadPoolExecutor p = |
641 |
< |
new ThreadPoolExecutor(1, 1, |
641 |
> |
new ThreadPoolExecutor(poolSize, poolSize, |
642 |
|
LONG_DELAY_MS, MILLISECONDS, |
643 |
|
new ArrayBlockingQueue<Runnable>(10)); |
644 |
< |
List l; |
645 |
< |
try { |
646 |
< |
for (int i = 0; i < 5; i++) |
636 |
< |
p.execute(new MediumPossiblyInterruptedRunnable()); |
637 |
< |
} |
638 |
< |
finally { |
644 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
645 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
646 |
> |
threadsStarted.countDown(); |
647 |
|
try { |
648 |
< |
l = p.shutdownNow(); |
649 |
< |
} catch (SecurityException ok) { return; } |
648 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
649 |
> |
} catch (InterruptedException success) {} |
650 |
> |
ran.getAndIncrement(); |
651 |
> |
}}; |
652 |
> |
for (int i = 0; i < count; i++) |
653 |
> |
p.execute(waiter); |
654 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
655 |
> |
assertEquals(poolSize, p.getActiveCount()); |
656 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
657 |
> |
final List<Runnable> queuedTasks; |
658 |
> |
try { |
659 |
> |
queuedTasks = p.shutdownNow(); |
660 |
> |
} catch (SecurityException ok) { |
661 |
> |
return; // Allowed in case test doesn't have privs |
662 |
|
} |
663 |
|
assertTrue(p.isShutdown()); |
664 |
< |
assertTrue(l.size() <= 4); |
664 |
> |
assertTrue(p.getQueue().isEmpty()); |
665 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
666 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
667 |
> |
assertTrue(p.isTerminated()); |
668 |
> |
assertEquals(poolSize, ran.get()); |
669 |
> |
assertEquals(poolSize, p.getCompletedTaskCount()); |
670 |
|
} |
671 |
|
|
672 |
|
// Exception Tests |
1018 |
|
60, SECONDS, |
1019 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1020 |
|
|
1021 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1022 |
< |
final CountDownLatch done = new CountDownLatch(1); |
1023 |
< |
try { |
1021 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1022 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
1023 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1024 |
|
Thread t = newStartedThread(new CheckedInterruptedRunnable() { |
1025 |
|
public void realRun() throws Exception { |
1026 |
|
Callable task = new CheckedCallable<Boolean>() { |
1032 |
|
p.submit(task).get(); |
1033 |
|
}}); |
1034 |
|
|
1035 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
1035 |
> |
assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
1036 |
|
t.interrupt(); |
1037 |
|
awaitTermination(t, MEDIUM_DELAY_MS); |
1013 |
– |
} finally { |
1038 |
|
done.countDown(); |
1015 |
– |
joinPool(p); |
1039 |
|
} |
1040 |
|
} |
1041 |
|
|
1043 |
|
* execute throws RejectedExecutionException if saturated. |
1044 |
|
*/ |
1045 |
|
public void testSaturatedExecute() { |
1046 |
< |
ThreadPoolExecutor p = |
1046 |
> |
final ThreadPoolExecutor p = |
1047 |
|
new ThreadPoolExecutor(1, 1, |
1048 |
|
LONG_DELAY_MS, MILLISECONDS, |
1049 |
|
new ArrayBlockingQueue<Runnable>(1)); |
1050 |
< |
final CountDownLatch done = new CountDownLatch(1); |
1051 |
< |
try { |
1050 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1051 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1052 |
|
Runnable task = new CheckedRunnable() { |
1053 |
|
public void realRun() throws InterruptedException { |
1054 |
|
done.await(); |
1062 |
|
} catch (RejectedExecutionException success) {} |
1063 |
|
assertTrue(p.getTaskCount() <= 2); |
1064 |
|
} |
1042 |
– |
} finally { |
1065 |
|
done.countDown(); |
1044 |
– |
joinPool(p); |
1066 |
|
} |
1067 |
|
} |
1068 |
|
|
1895 |
|
l.add(new StringTask()); |
1896 |
|
l.add(new StringTask()); |
1897 |
|
List<Future<String>> futures = |
1898 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1898 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1899 |
|
assertEquals(2, futures.size()); |
1900 |
|
for (Future<String> future : futures) |
1901 |
|
assertSame(TEST_STRING, future.get()); |
1913 |
|
LONG_DELAY_MS, MILLISECONDS, |
1914 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1915 |
|
try { |
1916 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1917 |
< |
l.add(new StringTask()); |
1918 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1919 |
< |
l.add(new StringTask()); |
1920 |
< |
List<Future<String>> futures = |
1921 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1922 |
< |
assertEquals(l.size(), futures.size()); |
1923 |
< |
for (Future future : futures) |
1924 |
< |
assertTrue(future.isDone()); |
1925 |
< |
assertFalse(futures.get(0).isCancelled()); |
1926 |
< |
assertTrue(futures.get(1).isCancelled()); |
1916 |
> |
for (long timeout = timeoutMillis();;) { |
1917 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1918 |
> |
tasks.add(new StringTask("0")); |
1919 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1920 |
> |
tasks.add(new StringTask("2")); |
1921 |
> |
long startTime = System.nanoTime(); |
1922 |
> |
List<Future<String>> futures = |
1923 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1924 |
> |
assertEquals(tasks.size(), futures.size()); |
1925 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1926 |
> |
for (Future future : futures) |
1927 |
> |
assertTrue(future.isDone()); |
1928 |
> |
assertTrue(futures.get(1).isCancelled()); |
1929 |
> |
try { |
1930 |
> |
assertEquals("0", futures.get(0).get()); |
1931 |
> |
assertEquals("2", futures.get(2).get()); |
1932 |
> |
break; |
1933 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1934 |
> |
timeout *= 2; |
1935 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1936 |
> |
fail("expected exactly one task to be cancelled"); |
1937 |
> |
} |
1938 |
> |
} |
1939 |
|
} finally { |
1940 |
|
joinPool(e); |
1941 |
|
} |
1981 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1982 |
|
*/ |
1983 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1984 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1984 |
> |
long keepAliveTime = timeoutMillis(); |
1985 |
|
final ThreadPoolExecutor p = |
1986 |
|
new ThreadPoolExecutor(2, 10, |
1987 |
< |
coreThreadTimeOut, MILLISECONDS, |
1987 |
> |
keepAliveTime, MILLISECONDS, |
1988 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1989 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1990 |
|
try { |
1995 |
|
assertEquals(1, p.getPoolSize()); |
1996 |
|
}}); |
1997 |
|
await(threadStarted); |
1998 |
< |
delay(coreThreadTimeOut); |
1998 |
> |
delay(keepAliveTime); |
1999 |
|
long startTime = System.nanoTime(); |
2000 |
|
while (p.getPoolSize() > 0 |
2001 |
|
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
2011 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
2012 |
|
*/ |
2013 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
2014 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
2014 |
> |
long keepAliveTime = timeoutMillis(); |
2015 |
|
final ThreadPoolExecutor p = |
2016 |
|
new ThreadPoolExecutor(2, 10, |
2017 |
< |
coreThreadTimeOut, MILLISECONDS, |
2017 |
> |
keepAliveTime, MILLISECONDS, |
2018 |
|
new ArrayBlockingQueue<Runnable>(10)); |
2019 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
2020 |
|
try { |
2024 |
|
threadStarted.countDown(); |
2025 |
|
assertTrue(p.getPoolSize() >= 1); |
2026 |
|
}}); |
2027 |
< |
delay(2 * coreThreadTimeOut); |
2027 |
> |
delay(2 * keepAliveTime); |
2028 |
|
assertTrue(p.getPoolSize() >= 1); |
2029 |
|
} finally { |
2030 |
|
joinPool(p); |
2063 |
|
} |
2064 |
|
} |
2065 |
|
|
2066 |
+ |
/** |
2067 |
+ |
* get(cancelled task) throws CancellationException |
2068 |
+ |
*/ |
2069 |
+ |
public void testGet_cancelled() throws Exception { |
2070 |
+ |
final ExecutorService e = |
2071 |
+ |
new ThreadPoolExecutor(1, 1, |
2072 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
2073 |
+ |
new LinkedBlockingQueue<Runnable>()); |
2074 |
+ |
try { |
2075 |
+ |
final CountDownLatch blockerStarted = new CountDownLatch(1); |
2076 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
2077 |
+ |
final List<Future<?>> futures = new ArrayList<>(); |
2078 |
+ |
for (int i = 0; i < 2; i++) { |
2079 |
+ |
Runnable r = new CheckedRunnable() { public void realRun() |
2080 |
+ |
throws Throwable { |
2081 |
+ |
blockerStarted.countDown(); |
2082 |
+ |
assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS)); |
2083 |
+ |
}}; |
2084 |
+ |
futures.add(e.submit(r)); |
2085 |
+ |
} |
2086 |
+ |
assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
2087 |
+ |
for (Future<?> future : futures) future.cancel(false); |
2088 |
+ |
for (Future<?> future : futures) { |
2089 |
+ |
try { |
2090 |
+ |
future.get(); |
2091 |
+ |
shouldThrow(); |
2092 |
+ |
} catch (CancellationException success) {} |
2093 |
+ |
try { |
2094 |
+ |
future.get(LONG_DELAY_MS, MILLISECONDS); |
2095 |
+ |
shouldThrow(); |
2096 |
+ |
} catch (CancellationException success) {} |
2097 |
+ |
assertTrue(future.isCancelled()); |
2098 |
+ |
assertTrue(future.isDone()); |
2099 |
+ |
} |
2100 |
+ |
done.countDown(); |
2101 |
+ |
} finally { |
2102 |
+ |
joinPool(e); |
2103 |
+ |
} |
2104 |
+ |
} |
2105 |
+ |
|
2106 |
|
} |