6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
import junit.framework.*; |
10 |
– |
import java.util.concurrent.*; |
9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
< |
import java.util.*; |
11 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
> |
|
13 |
> |
import java.util.ArrayList; |
14 |
> |
import java.util.List; |
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; |
22 |
> |
import java.util.concurrent.ExecutorService; |
23 |
> |
import java.util.concurrent.Future; |
24 |
> |
import java.util.concurrent.FutureTask; |
25 |
> |
import java.util.concurrent.LinkedBlockingQueue; |
26 |
> |
import java.util.concurrent.RejectedExecutionException; |
27 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
28 |
> |
import java.util.concurrent.SynchronousQueue; |
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; |
36 |
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|
37 |
|
public class ThreadPoolExecutorTest extends JSR166TestCase { |
38 |
|
public static void main(String[] args) { |
39 |
< |
junit.textui.TestRunner.run(suite()); |
39 |
> |
main(suite(), args); |
40 |
|
} |
41 |
|
public static Test suite() { |
42 |
|
return new TestSuite(ThreadPoolExecutorTest.class); |
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(); |
72 |
< |
}}; |
73 |
< |
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)); |
76 |
< |
} finally { |
77 |
< |
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()); |
102 |
– |
} finally { |
120 |
|
done.countDown(); |
104 |
– |
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 |
|
} |
173 |
– |
} finally { |
174 |
– |
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(TimeUnit.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 { |
244 |
< |
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 { |
290 |
< |
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)); |
316 |
< |
assertEquals(THREADS, p.getLargestPoolSize()); |
317 |
< |
} finally { |
318 |
< |
done.countDown(); |
319 |
< |
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 { |
359 |
< |
done.countDown(); |
360 |
< |
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()); |
384 |
– |
} finally { |
417 |
|
done.countDown(); |
386 |
– |
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(); |
455 |
– |
} 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 |
|
} |
458 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
459 |
– |
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(); |
483 |
– |
} 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 |
|
} |
486 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
487 |
– |
assertTrue(p.isTerminated()); |
488 |
– |
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()); |
520 |
– |
} finally { |
553 |
|
done.countDown(); |
522 |
– |
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])); |
557 |
– |
} finally { |
588 |
|
done.countDown(); |
559 |
– |
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()); |
599 |
– |
} finally { |
628 |
|
done.countDown(); |
601 |
– |
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++) |
616 |
< |
p.execute(new MediumPossiblyInterruptedRunnable()); |
617 |
< |
} |
618 |
< |
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 |
676 |
|
*/ |
677 |
|
public void testConstructor1() { |
678 |
|
try { |
679 |
< |
new ThreadPoolExecutor(-1, 1, |
635 |
< |
LONG_DELAY_MS, MILLISECONDS, |
679 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
680 |
|
new ArrayBlockingQueue<Runnable>(10)); |
681 |
|
shouldThrow(); |
682 |
|
} catch (IllegalArgumentException success) {} |
687 |
|
*/ |
688 |
|
public void testConstructor2() { |
689 |
|
try { |
690 |
< |
new ThreadPoolExecutor(1, -1, |
647 |
< |
LONG_DELAY_MS, MILLISECONDS, |
690 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
691 |
|
new ArrayBlockingQueue<Runnable>(10)); |
692 |
|
shouldThrow(); |
693 |
|
} catch (IllegalArgumentException success) {} |
698 |
|
*/ |
699 |
|
public void testConstructor3() { |
700 |
|
try { |
701 |
< |
new ThreadPoolExecutor(1, 0, |
659 |
< |
LONG_DELAY_MS, MILLISECONDS, |
701 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
702 |
|
new ArrayBlockingQueue<Runnable>(10)); |
703 |
|
shouldThrow(); |
704 |
|
} catch (IllegalArgumentException success) {} |
709 |
|
*/ |
710 |
|
public void testConstructor4() { |
711 |
|
try { |
712 |
< |
new ThreadPoolExecutor(1, 2, |
671 |
< |
-1L, MILLISECONDS, |
712 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
713 |
|
new ArrayBlockingQueue<Runnable>(10)); |
714 |
|
shouldThrow(); |
715 |
|
} catch (IllegalArgumentException success) {} |
720 |
|
*/ |
721 |
|
public void testConstructor5() { |
722 |
|
try { |
723 |
< |
new ThreadPoolExecutor(2, 1, |
683 |
< |
LONG_DELAY_MS, MILLISECONDS, |
723 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
724 |
|
new ArrayBlockingQueue<Runnable>(10)); |
725 |
|
shouldThrow(); |
726 |
|
} catch (IllegalArgumentException success) {} |
731 |
|
*/ |
732 |
|
public void testConstructorNullPointerException() { |
733 |
|
try { |
734 |
< |
new ThreadPoolExecutor(1, 2, |
695 |
< |
LONG_DELAY_MS, MILLISECONDS, |
734 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
735 |
|
(BlockingQueue) null); |
736 |
|
shouldThrow(); |
737 |
|
} catch (NullPointerException success) {} |
742 |
|
*/ |
743 |
|
public void testConstructor6() { |
744 |
|
try { |
745 |
< |
new ThreadPoolExecutor(-1, 1, |
707 |
< |
LONG_DELAY_MS, MILLISECONDS, |
745 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
746 |
|
new ArrayBlockingQueue<Runnable>(10), |
747 |
|
new SimpleThreadFactory()); |
748 |
|
shouldThrow(); |
754 |
|
*/ |
755 |
|
public void testConstructor7() { |
756 |
|
try { |
757 |
< |
new ThreadPoolExecutor(1, -1, |
720 |
< |
LONG_DELAY_MS, MILLISECONDS, |
757 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
758 |
|
new ArrayBlockingQueue<Runnable>(10), |
759 |
|
new SimpleThreadFactory()); |
760 |
|
shouldThrow(); |
766 |
|
*/ |
767 |
|
public void testConstructor8() { |
768 |
|
try { |
769 |
< |
new ThreadPoolExecutor(1, 0, |
733 |
< |
LONG_DELAY_MS, MILLISECONDS, |
769 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
770 |
|
new ArrayBlockingQueue<Runnable>(10), |
771 |
|
new SimpleThreadFactory()); |
772 |
|
shouldThrow(); |
778 |
|
*/ |
779 |
|
public void testConstructor9() { |
780 |
|
try { |
781 |
< |
new ThreadPoolExecutor(1, 2, |
746 |
< |
-1L, MILLISECONDS, |
781 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
782 |
|
new ArrayBlockingQueue<Runnable>(10), |
783 |
|
new SimpleThreadFactory()); |
784 |
|
shouldThrow(); |
790 |
|
*/ |
791 |
|
public void testConstructor10() { |
792 |
|
try { |
793 |
< |
new ThreadPoolExecutor(2, 1, |
759 |
< |
LONG_DELAY_MS, MILLISECONDS, |
793 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
794 |
|
new ArrayBlockingQueue<Runnable>(10), |
795 |
|
new SimpleThreadFactory()); |
796 |
|
shouldThrow(); |
802 |
|
*/ |
803 |
|
public void testConstructorNullPointerException2() { |
804 |
|
try { |
805 |
< |
new ThreadPoolExecutor(1, 2, |
772 |
< |
LONG_DELAY_MS, MILLISECONDS, |
805 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
806 |
|
(BlockingQueue) null, |
807 |
|
new SimpleThreadFactory()); |
808 |
|
shouldThrow(); |
814 |
|
*/ |
815 |
|
public void testConstructorNullPointerException3() { |
816 |
|
try { |
817 |
< |
new ThreadPoolExecutor(1, 2, |
785 |
< |
LONG_DELAY_MS, MILLISECONDS, |
817 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
818 |
|
new ArrayBlockingQueue<Runnable>(10), |
819 |
|
(ThreadFactory) null); |
820 |
|
shouldThrow(); |
826 |
|
*/ |
827 |
|
public void testConstructor11() { |
828 |
|
try { |
829 |
< |
new ThreadPoolExecutor(-1, 1, |
798 |
< |
LONG_DELAY_MS, MILLISECONDS, |
829 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
830 |
|
new ArrayBlockingQueue<Runnable>(10), |
831 |
|
new NoOpREHandler()); |
832 |
|
shouldThrow(); |
838 |
|
*/ |
839 |
|
public void testConstructor12() { |
840 |
|
try { |
841 |
< |
new ThreadPoolExecutor(1, -1, |
811 |
< |
LONG_DELAY_MS, MILLISECONDS, |
841 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
842 |
|
new ArrayBlockingQueue<Runnable>(10), |
843 |
|
new NoOpREHandler()); |
844 |
|
shouldThrow(); |
850 |
|
*/ |
851 |
|
public void testConstructor13() { |
852 |
|
try { |
853 |
< |
new ThreadPoolExecutor(1, 0, |
824 |
< |
LONG_DELAY_MS, MILLISECONDS, |
853 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
854 |
|
new ArrayBlockingQueue<Runnable>(10), |
855 |
|
new NoOpREHandler()); |
856 |
|
shouldThrow(); |
862 |
|
*/ |
863 |
|
public void testConstructor14() { |
864 |
|
try { |
865 |
< |
new ThreadPoolExecutor(1, 2, |
837 |
< |
-1L, MILLISECONDS, |
865 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
866 |
|
new ArrayBlockingQueue<Runnable>(10), |
867 |
|
new NoOpREHandler()); |
868 |
|
shouldThrow(); |
874 |
|
*/ |
875 |
|
public void testConstructor15() { |
876 |
|
try { |
877 |
< |
new ThreadPoolExecutor(2, 1, |
850 |
< |
LONG_DELAY_MS, MILLISECONDS, |
877 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
878 |
|
new ArrayBlockingQueue<Runnable>(10), |
879 |
|
new NoOpREHandler()); |
880 |
|
shouldThrow(); |
886 |
|
*/ |
887 |
|
public void testConstructorNullPointerException4() { |
888 |
|
try { |
889 |
< |
new ThreadPoolExecutor(1, 2, |
863 |
< |
LONG_DELAY_MS, MILLISECONDS, |
889 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
890 |
|
(BlockingQueue) null, |
891 |
|
new NoOpREHandler()); |
892 |
|
shouldThrow(); |
898 |
|
*/ |
899 |
|
public void testConstructorNullPointerException5() { |
900 |
|
try { |
901 |
< |
new ThreadPoolExecutor(1, 2, |
876 |
< |
LONG_DELAY_MS, MILLISECONDS, |
901 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
902 |
|
new ArrayBlockingQueue<Runnable>(10), |
903 |
|
(RejectedExecutionHandler) null); |
904 |
|
shouldThrow(); |
910 |
|
*/ |
911 |
|
public void testConstructor16() { |
912 |
|
try { |
913 |
< |
new ThreadPoolExecutor(-1, 1, |
889 |
< |
LONG_DELAY_MS, MILLISECONDS, |
913 |
> |
new ThreadPoolExecutor(-1, 1, 1L, SECONDS, |
914 |
|
new ArrayBlockingQueue<Runnable>(10), |
915 |
|
new SimpleThreadFactory(), |
916 |
|
new NoOpREHandler()); |
923 |
|
*/ |
924 |
|
public void testConstructor17() { |
925 |
|
try { |
926 |
< |
new ThreadPoolExecutor(1, -1, |
903 |
< |
LONG_DELAY_MS, MILLISECONDS, |
926 |
> |
new ThreadPoolExecutor(1, -1, 1L, SECONDS, |
927 |
|
new ArrayBlockingQueue<Runnable>(10), |
928 |
|
new SimpleThreadFactory(), |
929 |
|
new NoOpREHandler()); |
936 |
|
*/ |
937 |
|
public void testConstructor18() { |
938 |
|
try { |
939 |
< |
new ThreadPoolExecutor(1, 0, |
917 |
< |
LONG_DELAY_MS, MILLISECONDS, |
939 |
> |
new ThreadPoolExecutor(1, 0, 1L, SECONDS, |
940 |
|
new ArrayBlockingQueue<Runnable>(10), |
941 |
|
new SimpleThreadFactory(), |
942 |
|
new NoOpREHandler()); |
949 |
|
*/ |
950 |
|
public void testConstructor19() { |
951 |
|
try { |
952 |
< |
new ThreadPoolExecutor(1, 2, |
931 |
< |
-1L, MILLISECONDS, |
952 |
> |
new ThreadPoolExecutor(1, 2, -1L, SECONDS, |
953 |
|
new ArrayBlockingQueue<Runnable>(10), |
954 |
|
new SimpleThreadFactory(), |
955 |
|
new NoOpREHandler()); |
962 |
|
*/ |
963 |
|
public void testConstructor20() { |
964 |
|
try { |
965 |
< |
new ThreadPoolExecutor(2, 1, |
945 |
< |
LONG_DELAY_MS, MILLISECONDS, |
965 |
> |
new ThreadPoolExecutor(2, 1, 1L, SECONDS, |
966 |
|
new ArrayBlockingQueue<Runnable>(10), |
967 |
|
new SimpleThreadFactory(), |
968 |
|
new NoOpREHandler()); |
975 |
|
*/ |
976 |
|
public void testConstructorNullPointerException6() { |
977 |
|
try { |
978 |
< |
new ThreadPoolExecutor(1, 2, |
959 |
< |
LONG_DELAY_MS, MILLISECONDS, |
978 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
979 |
|
(BlockingQueue) null, |
980 |
|
new SimpleThreadFactory(), |
981 |
|
new NoOpREHandler()); |
988 |
|
*/ |
989 |
|
public void testConstructorNullPointerException7() { |
990 |
|
try { |
991 |
< |
new ThreadPoolExecutor(1, 2, |
973 |
< |
LONG_DELAY_MS, MILLISECONDS, |
991 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
992 |
|
new ArrayBlockingQueue<Runnable>(10), |
993 |
|
new SimpleThreadFactory(), |
994 |
|
(RejectedExecutionHandler) null); |
1001 |
|
*/ |
1002 |
|
public void testConstructorNullPointerException8() { |
1003 |
|
try { |
1004 |
< |
new ThreadPoolExecutor(1, 2, |
987 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1004 |
> |
new ThreadPoolExecutor(1, 2, 1L, SECONDS, |
1005 |
|
new ArrayBlockingQueue<Runnable>(10), |
1006 |
|
(ThreadFactory) null, |
1007 |
|
new NoOpREHandler()); |
1015 |
|
public void testInterruptedSubmit() throws InterruptedException { |
1016 |
|
final ThreadPoolExecutor p = |
1017 |
|
new ThreadPoolExecutor(1, 1, |
1018 |
< |
60, TimeUnit.SECONDS, |
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); |
1021 |
– |
} finally { |
1038 |
|
done.countDown(); |
1023 |
– |
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 |
|
} |
1050 |
– |
} finally { |
1065 |
|
done.countDown(); |
1052 |
– |
joinPool(p); |
1066 |
|
} |
1067 |
|
} |
1068 |
|
|
1128 |
|
* executor using CallerRunsPolicy runs task if saturated. |
1129 |
|
*/ |
1130 |
|
public void testSaturatedExecute2() { |
1118 |
– |
RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy(); |
1131 |
|
final ThreadPoolExecutor p = |
1132 |
|
new ThreadPoolExecutor(1, 1, |
1133 |
|
LONG_DELAY_MS, |
1134 |
|
MILLISECONDS, |
1135 |
|
new ArrayBlockingQueue<Runnable>(1), |
1136 |
< |
h); |
1137 |
< |
try { |
1136 |
> |
new ThreadPoolExecutor.CallerRunsPolicy()); |
1137 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1138 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1139 |
> |
Runnable blocker = new CheckedRunnable() { |
1140 |
> |
public void realRun() throws InterruptedException { |
1141 |
> |
done.await(); |
1142 |
> |
}}; |
1143 |
> |
p.execute(blocker); |
1144 |
|
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1145 |
< |
for (int i = 0; i < tasks.length; ++i) |
1145 |
> |
for (int i = 0; i < tasks.length; i++) |
1146 |
|
tasks[i] = new TrackedNoOpRunnable(); |
1147 |
< |
TrackedLongRunnable mr = new TrackedLongRunnable(); |
1130 |
< |
p.execute(mr); |
1131 |
< |
for (int i = 0; i < tasks.length; ++i) |
1147 |
> |
for (int i = 0; i < tasks.length; i++) |
1148 |
|
p.execute(tasks[i]); |
1149 |
< |
for (int i = 1; i < tasks.length; ++i) |
1149 |
> |
for (int i = 1; i < tasks.length; i++) |
1150 |
|
assertTrue(tasks[i].done); |
1151 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1152 |
< |
} finally { |
1137 |
< |
joinPool(p); |
1151 |
> |
assertFalse(tasks[0].done); // waiting in queue |
1152 |
> |
done.countDown(); |
1153 |
|
} |
1154 |
|
} |
1155 |
|
|
1157 |
|
* executor using DiscardPolicy drops task if saturated. |
1158 |
|
*/ |
1159 |
|
public void testSaturatedExecute3() { |
1160 |
< |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
1160 |
> |
final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1161 |
> |
for (int i = 0; i < tasks.length; ++i) |
1162 |
> |
tasks[i] = new TrackedNoOpRunnable(); |
1163 |
|
final ThreadPoolExecutor p = |
1164 |
|
new ThreadPoolExecutor(1, 1, |
1165 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1166 |
< |
new ArrayBlockingQueue<Runnable>(1), |
1167 |
< |
h); |
1168 |
< |
try { |
1169 |
< |
TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5]; |
1170 |
< |
for (int i = 0; i < tasks.length; ++i) |
1171 |
< |
tasks[i] = new TrackedNoOpRunnable(); |
1155 |
< |
p.execute(new TrackedLongRunnable()); |
1165 |
> |
LONG_DELAY_MS, MILLISECONDS, |
1166 |
> |
new ArrayBlockingQueue<Runnable>(1), |
1167 |
> |
new ThreadPoolExecutor.DiscardPolicy()); |
1168 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1169 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1170 |
> |
p.execute(awaiter(done)); |
1171 |
> |
|
1172 |
|
for (TrackedNoOpRunnable task : tasks) |
1173 |
|
p.execute(task); |
1174 |
< |
for (TrackedNoOpRunnable task : tasks) |
1175 |
< |
assertFalse(task.done); |
1176 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1161 |
< |
} finally { |
1162 |
< |
joinPool(p); |
1174 |
> |
for (int i = 1; i < tasks.length; i++) |
1175 |
> |
assertFalse(tasks[i].done); |
1176 |
> |
done.countDown(); |
1177 |
|
} |
1178 |
+ |
for (int i = 1; i < tasks.length; i++) |
1179 |
+ |
assertFalse(tasks[i].done); |
1180 |
+ |
assertTrue(tasks[0].done); // was waiting in queue |
1181 |
|
} |
1182 |
|
|
1183 |
|
/** |
1184 |
|
* executor using DiscardOldestPolicy drops oldest task if saturated. |
1185 |
|
*/ |
1186 |
|
public void testSaturatedExecute4() { |
1187 |
< |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
1187 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1188 |
> |
LatchAwaiter r1 = awaiter(done); |
1189 |
> |
LatchAwaiter r2 = awaiter(done); |
1190 |
> |
LatchAwaiter r3 = awaiter(done); |
1191 |
|
final ThreadPoolExecutor p = |
1192 |
|
new ThreadPoolExecutor(1, 1, |
1193 |
|
LONG_DELAY_MS, MILLISECONDS, |
1194 |
|
new ArrayBlockingQueue<Runnable>(1), |
1195 |
< |
h); |
1196 |
< |
try { |
1197 |
< |
p.execute(new TrackedLongRunnable()); |
1198 |
< |
TrackedLongRunnable r2 = new TrackedLongRunnable(); |
1195 |
> |
new ThreadPoolExecutor.DiscardOldestPolicy()); |
1196 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1197 |
> |
assertEquals(LatchAwaiter.NEW, r1.state); |
1198 |
> |
assertEquals(LatchAwaiter.NEW, r2.state); |
1199 |
> |
assertEquals(LatchAwaiter.NEW, r3.state); |
1200 |
> |
p.execute(r1); |
1201 |
|
p.execute(r2); |
1202 |
|
assertTrue(p.getQueue().contains(r2)); |
1181 |
– |
TrackedNoOpRunnable r3 = new TrackedNoOpRunnable(); |
1203 |
|
p.execute(r3); |
1204 |
|
assertFalse(p.getQueue().contains(r2)); |
1205 |
|
assertTrue(p.getQueue().contains(r3)); |
1206 |
< |
try { p.shutdownNow(); } catch (SecurityException ok) { return; } |
1186 |
< |
} finally { |
1187 |
< |
joinPool(p); |
1206 |
> |
done.countDown(); |
1207 |
|
} |
1208 |
+ |
assertEquals(LatchAwaiter.DONE, r1.state); |
1209 |
+ |
assertEquals(LatchAwaiter.NEW, r2.state); |
1210 |
+ |
assertEquals(LatchAwaiter.DONE, r3.state); |
1211 |
|
} |
1212 |
|
|
1213 |
|
/** |
1219 |
|
LONG_DELAY_MS, MILLISECONDS, |
1220 |
|
new ArrayBlockingQueue<Runnable>(1)); |
1221 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1222 |
< |
try { |
1223 |
< |
p.execute(new NoOpRunnable()); |
1224 |
< |
shouldThrow(); |
1225 |
< |
} catch (RejectedExecutionException success) {} |
1226 |
< |
|
1227 |
< |
joinPool(p); |
1222 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1223 |
> |
try { |
1224 |
> |
p.execute(new NoOpRunnable()); |
1225 |
> |
shouldThrow(); |
1226 |
> |
} catch (RejectedExecutionException success) {} |
1227 |
> |
} |
1228 |
|
} |
1229 |
|
|
1230 |
|
/** |
1238 |
|
new ArrayBlockingQueue<Runnable>(1), h); |
1239 |
|
|
1240 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1241 |
< |
try { |
1241 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1242 |
|
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1243 |
|
p.execute(r); |
1244 |
|
assertFalse(r.done); |
1223 |
– |
} finally { |
1224 |
– |
joinPool(p); |
1245 |
|
} |
1246 |
|
} |
1247 |
|
|
1249 |
|
* execute using DiscardPolicy drops task on shutdown |
1250 |
|
*/ |
1251 |
|
public void testDiscardOnShutdown() { |
1252 |
< |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy(); |
1233 |
< |
ThreadPoolExecutor p = |
1252 |
> |
final ThreadPoolExecutor p = |
1253 |
|
new ThreadPoolExecutor(1, 1, |
1254 |
|
LONG_DELAY_MS, MILLISECONDS, |
1255 |
|
new ArrayBlockingQueue<Runnable>(1), |
1256 |
< |
h); |
1256 |
> |
new ThreadPoolExecutor.DiscardPolicy()); |
1257 |
|
|
1258 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1259 |
< |
try { |
1259 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1260 |
|
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1261 |
|
p.execute(r); |
1262 |
|
assertFalse(r.done); |
1244 |
– |
} finally { |
1245 |
– |
joinPool(p); |
1263 |
|
} |
1264 |
|
} |
1265 |
|
|
1267 |
|
* execute using DiscardOldestPolicy drops task on shutdown |
1268 |
|
*/ |
1269 |
|
public void testDiscardOldestOnShutdown() { |
1270 |
< |
RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy(); |
1254 |
< |
ThreadPoolExecutor p = |
1270 |
> |
final ThreadPoolExecutor p = |
1271 |
|
new ThreadPoolExecutor(1, 1, |
1272 |
|
LONG_DELAY_MS, MILLISECONDS, |
1273 |
|
new ArrayBlockingQueue<Runnable>(1), |
1274 |
< |
h); |
1274 |
> |
new ThreadPoolExecutor.DiscardOldestPolicy()); |
1275 |
|
|
1276 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
1277 |
< |
try { |
1277 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1278 |
|
TrackedNoOpRunnable r = new TrackedNoOpRunnable(); |
1279 |
|
p.execute(r); |
1280 |
|
assertFalse(r.done); |
1265 |
– |
} finally { |
1266 |
– |
joinPool(p); |
1281 |
|
} |
1282 |
|
} |
1283 |
|
|
1285 |
|
* execute(null) throws NPE |
1286 |
|
*/ |
1287 |
|
public void testExecuteNull() { |
1288 |
< |
ThreadPoolExecutor p = |
1288 |
> |
final ThreadPoolExecutor p = |
1289 |
|
new ThreadPoolExecutor(1, 2, |
1290 |
< |
LONG_DELAY_MS, MILLISECONDS, |
1290 |
> |
1L, SECONDS, |
1291 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1292 |
< |
try { |
1293 |
< |
p.execute(null); |
1294 |
< |
shouldThrow(); |
1295 |
< |
} catch (NullPointerException success) {} |
1296 |
< |
|
1297 |
< |
joinPool(p); |
1292 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1293 |
> |
try { |
1294 |
> |
p.execute(null); |
1295 |
> |
shouldThrow(); |
1296 |
> |
} catch (NullPointerException success) {} |
1297 |
> |
} |
1298 |
|
} |
1299 |
|
|
1300 |
|
/** |
1354 |
|
} |
1355 |
|
|
1356 |
|
/** |
1357 |
+ |
* Configuration changes that allow core pool size greater than |
1358 |
+ |
* max pool size result in IllegalArgumentException. |
1359 |
+ |
*/ |
1360 |
+ |
public void testPoolSizeInvariants() { |
1361 |
+ |
ThreadPoolExecutor p = |
1362 |
+ |
new ThreadPoolExecutor(1, 1, |
1363 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
1364 |
+ |
new ArrayBlockingQueue<Runnable>(10)); |
1365 |
+ |
for (int s = 1; s < 5; s++) { |
1366 |
+ |
p.setMaximumPoolSize(s); |
1367 |
+ |
p.setCorePoolSize(s); |
1368 |
+ |
try { |
1369 |
+ |
p.setMaximumPoolSize(s - 1); |
1370 |
+ |
shouldThrow(); |
1371 |
+ |
} catch (IllegalArgumentException success) {} |
1372 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1373 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1374 |
+ |
try { |
1375 |
+ |
p.setCorePoolSize(s + 1); |
1376 |
+ |
shouldThrow(); |
1377 |
+ |
} catch (IllegalArgumentException success) {} |
1378 |
+ |
assertEquals(s, p.getCorePoolSize()); |
1379 |
+ |
assertEquals(s, p.getMaximumPoolSize()); |
1380 |
+ |
} |
1381 |
+ |
joinPool(p); |
1382 |
+ |
} |
1383 |
+ |
|
1384 |
+ |
/** |
1385 |
|
* setKeepAliveTime throws IllegalArgumentException |
1386 |
|
* when given a negative value |
1387 |
|
*/ |
1417 |
|
ExtendedTPE p = new ExtendedTPE(); |
1418 |
|
try { |
1419 |
|
final CountDownLatch done = new CountDownLatch(1); |
1420 |
< |
final CheckedRunnable task = new CheckedRunnable() { |
1420 |
> |
p.execute(new CheckedRunnable() { |
1421 |
|
public void realRun() { |
1422 |
|
done.countDown(); |
1423 |
< |
}}; |
1382 |
< |
p.execute(task); |
1423 |
> |
}}); |
1424 |
|
await(p.afterCalled); |
1425 |
|
assertEquals(0, done.getCount()); |
1426 |
|
assertTrue(p.afterCalled()); |
1897 |
|
l.add(new StringTask()); |
1898 |
|
l.add(new StringTask()); |
1899 |
|
List<Future<String>> futures = |
1900 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1900 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1901 |
|
assertEquals(2, futures.size()); |
1902 |
|
for (Future<String> future : futures) |
1903 |
|
assertSame(TEST_STRING, future.get()); |
1915 |
|
LONG_DELAY_MS, MILLISECONDS, |
1916 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1917 |
|
try { |
1918 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1919 |
< |
l.add(new StringTask()); |
1920 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1921 |
< |
l.add(new StringTask()); |
1922 |
< |
List<Future<String>> futures = |
1923 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1924 |
< |
assertEquals(l.size(), futures.size()); |
1925 |
< |
for (Future future : futures) |
1926 |
< |
assertTrue(future.isDone()); |
1927 |
< |
assertFalse(futures.get(0).isCancelled()); |
1928 |
< |
assertTrue(futures.get(1).isCancelled()); |
1918 |
> |
for (long timeout = timeoutMillis();;) { |
1919 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1920 |
> |
tasks.add(new StringTask("0")); |
1921 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1922 |
> |
tasks.add(new StringTask("2")); |
1923 |
> |
long startTime = System.nanoTime(); |
1924 |
> |
List<Future<String>> futures = |
1925 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1926 |
> |
assertEquals(tasks.size(), futures.size()); |
1927 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1928 |
> |
for (Future future : futures) |
1929 |
> |
assertTrue(future.isDone()); |
1930 |
> |
assertTrue(futures.get(1).isCancelled()); |
1931 |
> |
try { |
1932 |
> |
assertEquals("0", futures.get(0).get()); |
1933 |
> |
assertEquals("2", futures.get(2).get()); |
1934 |
> |
break; |
1935 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1936 |
> |
timeout *= 2; |
1937 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1938 |
> |
fail("expected exactly one task to be cancelled"); |
1939 |
> |
} |
1940 |
> |
} |
1941 |
|
} finally { |
1942 |
|
joinPool(e); |
1943 |
|
} |
1983 |
|
* allowCoreThreadTimeOut(true) causes idle threads to time out |
1984 |
|
*/ |
1985 |
|
public void testAllowCoreThreadTimeOut_true() throws Exception { |
1986 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
1986 |
> |
long keepAliveTime = timeoutMillis(); |
1987 |
|
final ThreadPoolExecutor p = |
1988 |
|
new ThreadPoolExecutor(2, 10, |
1989 |
< |
coreThreadTimeOut, MILLISECONDS, |
1989 |
> |
keepAliveTime, MILLISECONDS, |
1990 |
|
new ArrayBlockingQueue<Runnable>(10)); |
1991 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
1992 |
|
try { |
1997 |
|
assertEquals(1, p.getPoolSize()); |
1998 |
|
}}); |
1999 |
|
await(threadStarted); |
2000 |
< |
delay(coreThreadTimeOut); |
2000 |
> |
delay(keepAliveTime); |
2001 |
|
long startTime = System.nanoTime(); |
2002 |
|
while (p.getPoolSize() > 0 |
2003 |
|
&& millisElapsedSince(startTime) < LONG_DELAY_MS) |
2013 |
|
* allowCoreThreadTimeOut(false) causes idle threads not to time out |
2014 |
|
*/ |
2015 |
|
public void testAllowCoreThreadTimeOut_false() throws Exception { |
2016 |
< |
long coreThreadTimeOut = SHORT_DELAY_MS; |
2016 |
> |
long keepAliveTime = timeoutMillis(); |
2017 |
|
final ThreadPoolExecutor p = |
2018 |
|
new ThreadPoolExecutor(2, 10, |
2019 |
< |
coreThreadTimeOut, MILLISECONDS, |
2019 |
> |
keepAliveTime, MILLISECONDS, |
2020 |
|
new ArrayBlockingQueue<Runnable>(10)); |
2021 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
2022 |
|
try { |
2026 |
|
threadStarted.countDown(); |
2027 |
|
assertTrue(p.getPoolSize() >= 1); |
2028 |
|
}}); |
2029 |
< |
delay(2 * coreThreadTimeOut); |
2029 |
> |
delay(2 * keepAliveTime); |
2030 |
|
assertTrue(p.getPoolSize() >= 1); |
2031 |
|
} finally { |
2032 |
|
joinPool(p); |
2045 |
|
done.countDown(); |
2046 |
|
}}; |
2047 |
|
final ThreadPoolExecutor p = |
2048 |
< |
new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS, |
2048 |
> |
new ThreadPoolExecutor(1, 30, |
2049 |
> |
60, SECONDS, |
2050 |
|
new ArrayBlockingQueue(30)); |
2051 |
|
try { |
2052 |
|
for (int i = 0; i < nTasks; ++i) { |
2065 |
|
} |
2066 |
|
} |
2067 |
|
|
2068 |
+ |
/** |
2069 |
+ |
* get(cancelled task) throws CancellationException |
2070 |
+ |
*/ |
2071 |
+ |
public void testGet_cancelled() throws Exception { |
2072 |
+ |
final ExecutorService e = |
2073 |
+ |
new ThreadPoolExecutor(1, 1, |
2074 |
+ |
LONG_DELAY_MS, MILLISECONDS, |
2075 |
+ |
new LinkedBlockingQueue<Runnable>()); |
2076 |
+ |
try { |
2077 |
+ |
final CountDownLatch blockerStarted = new CountDownLatch(1); |
2078 |
+ |
final CountDownLatch done = new CountDownLatch(1); |
2079 |
+ |
final List<Future<?>> futures = new ArrayList<>(); |
2080 |
+ |
for (int i = 0; i < 2; i++) { |
2081 |
+ |
Runnable r = new CheckedRunnable() { public void realRun() |
2082 |
+ |
throws Throwable { |
2083 |
+ |
blockerStarted.countDown(); |
2084 |
+ |
assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS)); |
2085 |
+ |
}}; |
2086 |
+ |
futures.add(e.submit(r)); |
2087 |
+ |
} |
2088 |
+ |
assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
2089 |
+ |
for (Future<?> future : futures) future.cancel(false); |
2090 |
+ |
for (Future<?> future : futures) { |
2091 |
+ |
try { |
2092 |
+ |
future.get(); |
2093 |
+ |
shouldThrow(); |
2094 |
+ |
} catch (CancellationException success) {} |
2095 |
+ |
try { |
2096 |
+ |
future.get(LONG_DELAY_MS, MILLISECONDS); |
2097 |
+ |
shouldThrow(); |
2098 |
+ |
} catch (CancellationException success) {} |
2099 |
+ |
assertTrue(future.isCancelled()); |
2100 |
+ |
assertTrue(future.isDone()); |
2101 |
+ |
} |
2102 |
+ |
done.countDown(); |
2103 |
+ |
} finally { |
2104 |
+ |
joinPool(e); |
2105 |
+ |
} |
2106 |
+ |
} |
2107 |
+ |
|
2108 |
|
} |