1 |
/* |
2 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/licenses/publicdomain |
5 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
8 |
|
9 |
|
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import junit.framework.*; |
11 |
import java.util.*; |
12 |
import java.util.concurrent.*; |
13 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
14 |
import java.math.BigInteger; |
15 |
import java.security.*; |
16 |
|
17 |
public class AbstractExecutorServiceTest extends JSR166TestCase { |
18 |
public static void main(String[] args) { |
19 |
junit.textui.TestRunner.run(suite()); |
20 |
} |
21 |
public static Test suite() { |
22 |
return new TestSuite(AbstractExecutorServiceTest.class); |
23 |
} |
24 |
|
25 |
/** |
26 |
* A no-frills implementation of AbstractExecutorService, designed |
27 |
* to test the submit methods only. |
28 |
*/ |
29 |
static class DirectExecutorService extends AbstractExecutorService { |
30 |
public void execute(Runnable r) { r.run(); } |
31 |
public void shutdown() { shutdown = true; } |
32 |
public List<Runnable> shutdownNow() { |
33 |
shutdown = true; |
34 |
return Collections.EMPTY_LIST; |
35 |
} |
36 |
public boolean isShutdown() { return shutdown; } |
37 |
public boolean isTerminated() { return isShutdown(); } |
38 |
public boolean awaitTermination(long timeout, TimeUnit unit) { |
39 |
return isShutdown(); |
40 |
} |
41 |
private volatile boolean shutdown = false; |
42 |
} |
43 |
|
44 |
/** |
45 |
* execute(runnable) runs it to completion |
46 |
*/ |
47 |
public void testExecuteRunnable() throws Exception { |
48 |
ExecutorService e = new DirectExecutorService(); |
49 |
TrackedShortRunnable task = new TrackedShortRunnable(); |
50 |
assertFalse(task.done); |
51 |
Future<?> future = e.submit(task); |
52 |
future.get(); |
53 |
assertTrue(task.done); |
54 |
} |
55 |
|
56 |
|
57 |
/** |
58 |
* Completed submit(callable) returns result |
59 |
*/ |
60 |
public void testSubmitCallable() throws Exception { |
61 |
ExecutorService e = new DirectExecutorService(); |
62 |
Future<String> future = e.submit(new StringTask()); |
63 |
String result = future.get(); |
64 |
assertSame(TEST_STRING, result); |
65 |
} |
66 |
|
67 |
/** |
68 |
* Completed submit(runnable) returns successfully |
69 |
*/ |
70 |
public void testSubmitRunnable() throws Exception { |
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ExecutorService e = new DirectExecutorService(); |
72 |
Future<?> future = e.submit(new NoOpRunnable()); |
73 |
future.get(); |
74 |
assertTrue(future.isDone()); |
75 |
} |
76 |
|
77 |
/** |
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* Completed submit(runnable, result) returns result |
79 |
*/ |
80 |
public void testSubmitRunnable2() throws Exception { |
81 |
ExecutorService e = new DirectExecutorService(); |
82 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
83 |
String result = future.get(); |
84 |
assertSame(TEST_STRING, result); |
85 |
} |
86 |
|
87 |
|
88 |
/** |
89 |
* A submitted privileged action runs to completion |
90 |
*/ |
91 |
public void testSubmitPrivilegedAction() throws Exception { |
92 |
Runnable r = new CheckedRunnable() { |
93 |
public void realRun() throws Exception { |
94 |
ExecutorService e = new DirectExecutorService(); |
95 |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
96 |
public Object run() { |
97 |
return TEST_STRING; |
98 |
}})); |
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|
100 |
assertSame(TEST_STRING, future.get()); |
101 |
}}; |
102 |
|
103 |
runWithPermissions(r, |
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new RuntimePermission("getClassLoader"), |
105 |
new RuntimePermission("setContextClassLoader"), |
106 |
new RuntimePermission("modifyThread")); |
107 |
} |
108 |
|
109 |
/** |
110 |
* A submitted privileged exception action runs to completion |
111 |
*/ |
112 |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
113 |
Runnable r = new CheckedRunnable() { |
114 |
public void realRun() throws Exception { |
115 |
ExecutorService e = new DirectExecutorService(); |
116 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
117 |
public Object run() { |
118 |
return TEST_STRING; |
119 |
}})); |
120 |
|
121 |
assertSame(TEST_STRING, future.get()); |
122 |
}}; |
123 |
|
124 |
runWithPermissions(r); |
125 |
} |
126 |
|
127 |
/** |
128 |
* A submitted failed privileged exception action reports exception |
129 |
*/ |
130 |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
131 |
Runnable r = new CheckedRunnable() { |
132 |
public void realRun() throws Exception { |
133 |
ExecutorService e = new DirectExecutorService(); |
134 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
135 |
public Object run() throws Exception { |
136 |
throw new IndexOutOfBoundsException(); |
137 |
}})); |
138 |
|
139 |
try { |
140 |
future.get(); |
141 |
shouldThrow(); |
142 |
} catch (ExecutionException success) { |
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assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
144 |
}}}; |
145 |
|
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runWithPermissions(r); |
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} |
148 |
|
149 |
/** |
150 |
* execute(null runnable) throws NPE |
151 |
*/ |
152 |
public void testExecuteNullRunnable() { |
153 |
try { |
154 |
ExecutorService e = new DirectExecutorService(); |
155 |
e.submit((Runnable) null); |
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shouldThrow(); |
157 |
} catch (NullPointerException success) {} |
158 |
} |
159 |
|
160 |
|
161 |
/** |
162 |
* submit(null callable) throws NPE |
163 |
*/ |
164 |
public void testSubmitNullCallable() { |
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try { |
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ExecutorService e = new DirectExecutorService(); |
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e.submit((Callable) null); |
168 |
shouldThrow(); |
169 |
} catch (NullPointerException success) {} |
170 |
} |
171 |
|
172 |
/** |
173 |
* submit(runnable) throws RejectedExecutionException if |
174 |
* executor is saturated. |
175 |
*/ |
176 |
public void testExecute1() { |
177 |
ThreadPoolExecutor p = |
178 |
new ThreadPoolExecutor(1, 1, |
179 |
60, TimeUnit.SECONDS, |
180 |
new ArrayBlockingQueue<Runnable>(1)); |
181 |
try { |
182 |
for (int i = 0; i < 2; ++i) |
183 |
p.submit(new MediumRunnable()); |
184 |
for (int i = 0; i < 2; ++i) { |
185 |
try { |
186 |
p.submit(new MediumRunnable()); |
187 |
shouldThrow(); |
188 |
} catch (RejectedExecutionException success) {} |
189 |
} |
190 |
} finally { |
191 |
joinPool(p); |
192 |
} |
193 |
} |
194 |
|
195 |
/** |
196 |
* submit(callable) throws RejectedExecutionException |
197 |
* if executor is saturated. |
198 |
*/ |
199 |
public void testExecute2() { |
200 |
ThreadPoolExecutor p = |
201 |
new ThreadPoolExecutor(1, 1, |
202 |
60, TimeUnit.SECONDS, |
203 |
new ArrayBlockingQueue<Runnable>(1)); |
204 |
try { |
205 |
for (int i = 0; i < 2; ++i) |
206 |
p.submit(new MediumRunnable()); |
207 |
for (int i = 0; i < 2; ++i) { |
208 |
try { |
209 |
p.submit(new SmallCallable()); |
210 |
shouldThrow(); |
211 |
} catch (RejectedExecutionException success) {} |
212 |
} |
213 |
} finally { |
214 |
joinPool(p); |
215 |
} |
216 |
} |
217 |
|
218 |
|
219 |
/** |
220 |
* submit(callable).get() throws InterruptedException if interrupted |
221 |
*/ |
222 |
public void testInterruptedSubmit() throws InterruptedException { |
223 |
final CountDownLatch submitted = new CountDownLatch(1); |
224 |
final CountDownLatch quittingTime = new CountDownLatch(1); |
225 |
final ExecutorService p |
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= new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, |
227 |
new ArrayBlockingQueue<Runnable>(10)); |
228 |
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
229 |
public Void realCall() throws InterruptedException { |
230 |
quittingTime.await(); |
231 |
return null; |
232 |
}}; |
233 |
try { |
234 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
235 |
public void realRun() throws Exception { |
236 |
Future<Void> future = p.submit(awaiter); |
237 |
submitted.countDown(); |
238 |
future.get(); |
239 |
}}); |
240 |
t.start(); |
241 |
submitted.await(); |
242 |
t.interrupt(); |
243 |
t.join(); |
244 |
} finally { |
245 |
quittingTime.countDown(); |
246 |
joinPool(p); |
247 |
} |
248 |
} |
249 |
|
250 |
/** |
251 |
* get of submitted callable throws InterruptedException if callable |
252 |
* interrupted |
253 |
*/ |
254 |
public void testSubmitIE() throws InterruptedException { |
255 |
final ThreadPoolExecutor p = |
256 |
new ThreadPoolExecutor(1, 1, |
257 |
60, TimeUnit.SECONDS, |
258 |
new ArrayBlockingQueue<Runnable>(10)); |
259 |
|
260 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
261 |
public void realRun() throws Exception { |
262 |
p.submit(new SmallCallable()).get(); |
263 |
}}); |
264 |
|
265 |
t.start(); |
266 |
Thread.sleep(SHORT_DELAY_MS); |
267 |
t.interrupt(); |
268 |
t.join(); |
269 |
joinPool(p); |
270 |
} |
271 |
|
272 |
/** |
273 |
* get of submit(callable) throws ExecutionException if callable |
274 |
* throws exception |
275 |
*/ |
276 |
public void testSubmitEE() throws InterruptedException { |
277 |
ThreadPoolExecutor p = |
278 |
new ThreadPoolExecutor(1, 1, |
279 |
60, TimeUnit.SECONDS, |
280 |
new ArrayBlockingQueue<Runnable>(10)); |
281 |
|
282 |
Callable c = new Callable() { |
283 |
public Object call() { return 5/0; }}; |
284 |
|
285 |
try { |
286 |
p.submit(c).get(); |
287 |
shouldThrow(); |
288 |
} catch (ExecutionException success) { |
289 |
assertTrue(success.getCause() instanceof ArithmeticException); |
290 |
} |
291 |
joinPool(p); |
292 |
} |
293 |
|
294 |
/** |
295 |
* invokeAny(null) throws NPE |
296 |
*/ |
297 |
public void testInvokeAny1() |
298 |
throws InterruptedException, ExecutionException { |
299 |
ExecutorService e = new DirectExecutorService(); |
300 |
try { |
301 |
e.invokeAny(null); |
302 |
shouldThrow(); |
303 |
} catch (NullPointerException success) { |
304 |
} finally { |
305 |
joinPool(e); |
306 |
} |
307 |
} |
308 |
|
309 |
/** |
310 |
* invokeAny(empty collection) throws IAE |
311 |
*/ |
312 |
public void testInvokeAny2() |
313 |
throws InterruptedException, ExecutionException { |
314 |
ExecutorService e = new DirectExecutorService(); |
315 |
try { |
316 |
e.invokeAny(new ArrayList<Callable<String>>()); |
317 |
shouldThrow(); |
318 |
} catch (IllegalArgumentException success) { |
319 |
} finally { |
320 |
joinPool(e); |
321 |
} |
322 |
} |
323 |
|
324 |
/** |
325 |
* invokeAny(c) throws NPE if c has null elements |
326 |
*/ |
327 |
public void testInvokeAny3() throws Exception { |
328 |
ExecutorService e = new DirectExecutorService(); |
329 |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
330 |
l.add(new Callable<Integer>() { |
331 |
public Integer call() { return 5/0; }}); |
332 |
l.add(null); |
333 |
try { |
334 |
e.invokeAny(l); |
335 |
shouldThrow(); |
336 |
} catch (NullPointerException success) { |
337 |
} finally { |
338 |
joinPool(e); |
339 |
} |
340 |
} |
341 |
|
342 |
/** |
343 |
* invokeAny(c) throws ExecutionException if no task in c completes |
344 |
*/ |
345 |
public void testInvokeAny4() throws InterruptedException { |
346 |
ExecutorService e = new DirectExecutorService(); |
347 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
348 |
l.add(new NPETask()); |
349 |
try { |
350 |
e.invokeAny(l); |
351 |
shouldThrow(); |
352 |
} catch (ExecutionException success) { |
353 |
assertTrue(success.getCause() instanceof NullPointerException); |
354 |
} finally { |
355 |
joinPool(e); |
356 |
} |
357 |
} |
358 |
|
359 |
/** |
360 |
* invokeAny(c) returns result of some task in c if at least one completes |
361 |
*/ |
362 |
public void testInvokeAny5() throws Exception { |
363 |
ExecutorService e = new DirectExecutorService(); |
364 |
try { |
365 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
366 |
l.add(new StringTask()); |
367 |
l.add(new StringTask()); |
368 |
String result = e.invokeAny(l); |
369 |
assertSame(TEST_STRING, result); |
370 |
} finally { |
371 |
joinPool(e); |
372 |
} |
373 |
} |
374 |
|
375 |
/** |
376 |
* invokeAll(null) throws NPE |
377 |
*/ |
378 |
public void testInvokeAll1() throws InterruptedException { |
379 |
ExecutorService e = new DirectExecutorService(); |
380 |
try { |
381 |
e.invokeAll(null); |
382 |
shouldThrow(); |
383 |
} catch (NullPointerException success) { |
384 |
} finally { |
385 |
joinPool(e); |
386 |
} |
387 |
} |
388 |
|
389 |
/** |
390 |
* invokeAll(empty collection) returns empty collection |
391 |
*/ |
392 |
public void testInvokeAll2() throws InterruptedException { |
393 |
ExecutorService e = new DirectExecutorService(); |
394 |
try { |
395 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
396 |
assertTrue(r.isEmpty()); |
397 |
} finally { |
398 |
joinPool(e); |
399 |
} |
400 |
} |
401 |
|
402 |
/** |
403 |
* invokeAll(c) throws NPE if c has null elements |
404 |
*/ |
405 |
public void testInvokeAll3() throws InterruptedException { |
406 |
ExecutorService e = new DirectExecutorService(); |
407 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
408 |
l.add(new StringTask()); |
409 |
l.add(null); |
410 |
try { |
411 |
e.invokeAll(l); |
412 |
shouldThrow(); |
413 |
} catch (NullPointerException success) { |
414 |
} finally { |
415 |
joinPool(e); |
416 |
} |
417 |
} |
418 |
|
419 |
/** |
420 |
* get of returned element of invokeAll(c) throws exception on failed task |
421 |
*/ |
422 |
public void testInvokeAll4() throws Exception { |
423 |
ExecutorService e = new DirectExecutorService(); |
424 |
try { |
425 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
426 |
l.add(new NPETask()); |
427 |
List<Future<String>> futures = e.invokeAll(l); |
428 |
assertEquals(1, futures.size()); |
429 |
try { |
430 |
futures.get(0).get(); |
431 |
shouldThrow(); |
432 |
} catch (ExecutionException success) { |
433 |
assertTrue(success.getCause() instanceof NullPointerException); |
434 |
} |
435 |
} finally { |
436 |
joinPool(e); |
437 |
} |
438 |
} |
439 |
|
440 |
/** |
441 |
* invokeAll(c) returns results of all completed tasks in c |
442 |
*/ |
443 |
public void testInvokeAll5() throws Exception { |
444 |
ExecutorService e = new DirectExecutorService(); |
445 |
try { |
446 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
447 |
l.add(new StringTask()); |
448 |
l.add(new StringTask()); |
449 |
List<Future<String>> futures = e.invokeAll(l); |
450 |
assertEquals(2, futures.size()); |
451 |
for (Future<String> future : futures) |
452 |
assertSame(TEST_STRING, future.get()); |
453 |
} finally { |
454 |
joinPool(e); |
455 |
} |
456 |
} |
457 |
|
458 |
|
459 |
/** |
460 |
* timed invokeAny(null) throws NPE |
461 |
*/ |
462 |
public void testTimedInvokeAny1() throws Exception { |
463 |
ExecutorService e = new DirectExecutorService(); |
464 |
try { |
465 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
466 |
shouldThrow(); |
467 |
} catch (NullPointerException success) { |
468 |
} finally { |
469 |
joinPool(e); |
470 |
} |
471 |
} |
472 |
|
473 |
/** |
474 |
* timed invokeAny(null time unit) throws NPE |
475 |
*/ |
476 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
477 |
ExecutorService e = new DirectExecutorService(); |
478 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
479 |
l.add(new StringTask()); |
480 |
try { |
481 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
482 |
shouldThrow(); |
483 |
} catch (NullPointerException success) { |
484 |
} finally { |
485 |
joinPool(e); |
486 |
} |
487 |
} |
488 |
|
489 |
/** |
490 |
* timed invokeAny(empty collection) throws IAE |
491 |
*/ |
492 |
public void testTimedInvokeAny2() throws Exception { |
493 |
ExecutorService e = new DirectExecutorService(); |
494 |
try { |
495 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
496 |
shouldThrow(); |
497 |
} catch (IllegalArgumentException success) { |
498 |
} finally { |
499 |
joinPool(e); |
500 |
} |
501 |
} |
502 |
|
503 |
/** |
504 |
* timed invokeAny(c) throws NPE if c has null elements |
505 |
*/ |
506 |
public void testTimedInvokeAny3() throws Exception { |
507 |
ExecutorService e = new DirectExecutorService(); |
508 |
List<Callable<Integer>> l = new ArrayList<Callable<Integer>>(); |
509 |
l.add(new Callable<Integer>() { |
510 |
public Integer call() { return 5/0; }}); |
511 |
l.add(null); |
512 |
try { |
513 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
514 |
shouldThrow(); |
515 |
} catch (NullPointerException success) { |
516 |
} finally { |
517 |
joinPool(e); |
518 |
} |
519 |
} |
520 |
|
521 |
/** |
522 |
* timed invokeAny(c) throws ExecutionException if no task completes |
523 |
*/ |
524 |
public void testTimedInvokeAny4() throws Exception { |
525 |
ExecutorService e = new DirectExecutorService(); |
526 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
527 |
l.add(new NPETask()); |
528 |
try { |
529 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
530 |
shouldThrow(); |
531 |
} catch (ExecutionException success) { |
532 |
assertTrue(success.getCause() instanceof NullPointerException); |
533 |
} finally { |
534 |
joinPool(e); |
535 |
} |
536 |
} |
537 |
|
538 |
/** |
539 |
* timed invokeAny(c) returns result of some task in c |
540 |
*/ |
541 |
public void testTimedInvokeAny5() throws Exception { |
542 |
ExecutorService e = new DirectExecutorService(); |
543 |
try { |
544 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
545 |
l.add(new StringTask()); |
546 |
l.add(new StringTask()); |
547 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
548 |
assertSame(TEST_STRING, result); |
549 |
} finally { |
550 |
joinPool(e); |
551 |
} |
552 |
} |
553 |
|
554 |
/** |
555 |
* timed invokeAll(null) throws NPE |
556 |
*/ |
557 |
public void testTimedInvokeAll1() throws InterruptedException { |
558 |
ExecutorService e = new DirectExecutorService(); |
559 |
try { |
560 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
561 |
shouldThrow(); |
562 |
} catch (NullPointerException success) { |
563 |
} finally { |
564 |
joinPool(e); |
565 |
} |
566 |
} |
567 |
|
568 |
/** |
569 |
* timed invokeAll(null time unit) throws NPE |
570 |
*/ |
571 |
public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
572 |
ExecutorService e = new DirectExecutorService(); |
573 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
574 |
l.add(new StringTask()); |
575 |
try { |
576 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
577 |
shouldThrow(); |
578 |
} catch (NullPointerException success) { |
579 |
} finally { |
580 |
joinPool(e); |
581 |
} |
582 |
} |
583 |
|
584 |
/** |
585 |
* timed invokeAll(empty collection) returns empty collection |
586 |
*/ |
587 |
public void testTimedInvokeAll2() throws InterruptedException { |
588 |
ExecutorService e = new DirectExecutorService(); |
589 |
try { |
590 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
591 |
assertTrue(r.isEmpty()); |
592 |
} finally { |
593 |
joinPool(e); |
594 |
} |
595 |
} |
596 |
|
597 |
/** |
598 |
* timed invokeAll(c) throws NPE if c has null elements |
599 |
*/ |
600 |
public void testTimedInvokeAll3() throws InterruptedException { |
601 |
ExecutorService e = new DirectExecutorService(); |
602 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
603 |
l.add(new StringTask()); |
604 |
l.add(null); |
605 |
try { |
606 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
607 |
shouldThrow(); |
608 |
} catch (NullPointerException success) { |
609 |
} finally { |
610 |
joinPool(e); |
611 |
} |
612 |
} |
613 |
|
614 |
/** |
615 |
* get of returned element of invokeAll(c) throws exception on failed task |
616 |
*/ |
617 |
public void testTimedInvokeAll4() throws Exception { |
618 |
ExecutorService e = new DirectExecutorService(); |
619 |
try { |
620 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
621 |
l.add(new NPETask()); |
622 |
List<Future<String>> futures = |
623 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
624 |
assertEquals(1, futures.size()); |
625 |
try { |
626 |
futures.get(0).get(); |
627 |
shouldThrow(); |
628 |
} catch (ExecutionException success) { |
629 |
assertTrue(success.getCause() instanceof NullPointerException); |
630 |
} |
631 |
} finally { |
632 |
joinPool(e); |
633 |
} |
634 |
} |
635 |
|
636 |
/** |
637 |
* timed invokeAll(c) returns results of all completed tasks in c |
638 |
*/ |
639 |
public void testTimedInvokeAll5() throws Exception { |
640 |
ExecutorService e = new DirectExecutorService(); |
641 |
try { |
642 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
643 |
l.add(new StringTask()); |
644 |
l.add(new StringTask()); |
645 |
List<Future<String>> futures = |
646 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
647 |
assertEquals(2, futures.size()); |
648 |
for (Future<String> future : futures) |
649 |
assertSame(TEST_STRING, future.get()); |
650 |
} finally { |
651 |
joinPool(e); |
652 |
} |
653 |
} |
654 |
|
655 |
/** |
656 |
* timed invokeAll cancels tasks not completed by timeout |
657 |
*/ |
658 |
public void testTimedInvokeAll6() throws InterruptedException { |
659 |
ExecutorService e = new DirectExecutorService(); |
660 |
try { |
661 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
662 |
l.add(new StringTask()); |
663 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
664 |
l.add(new StringTask()); |
665 |
List<Future<String>> futures = |
666 |
e.invokeAll(l, SMALL_DELAY_MS, MILLISECONDS); |
667 |
assertEquals(3, futures.size()); |
668 |
Iterator<Future<String>> it = futures.iterator(); |
669 |
Future<String> f1 = it.next(); |
670 |
Future<String> f2 = it.next(); |
671 |
Future<String> f3 = it.next(); |
672 |
assertTrue(f1.isDone()); |
673 |
assertFalse(f1.isCancelled()); |
674 |
assertTrue(f2.isDone()); |
675 |
assertTrue(f3.isDone()); |
676 |
assertTrue(f3.isCancelled()); |
677 |
} finally { |
678 |
joinPool(e); |
679 |
} |
680 |
} |
681 |
|
682 |
} |