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 |
|
10 |
import junit.framework.*; |
11 |
import java.util.*; |
12 |
import java.util.concurrent.*; |
13 |
import java.math.BigInteger; |
14 |
import java.security.*; |
15 |
|
16 |
public class AbstractExecutorServiceTest extends JSR166TestCase { |
17 |
public static void main(String[] args) { |
18 |
junit.textui.TestRunner.run (suite()); |
19 |
} |
20 |
public static Test suite() { |
21 |
return new TestSuite(AbstractExecutorServiceTest.class); |
22 |
} |
23 |
|
24 |
/** |
25 |
* A no-frills implementation of AbstractExecutorService, designed |
26 |
* to test the submit methods only. |
27 |
*/ |
28 |
static class DirectExecutorService extends AbstractExecutorService { |
29 |
public void execute(Runnable r) { r.run(); } |
30 |
public void shutdown() { shutdown = true; } |
31 |
public List<Runnable> shutdownNow() { shutdown = true; return Collections.EMPTY_LIST; } |
32 |
public boolean isShutdown() { return shutdown; } |
33 |
public boolean isTerminated() { return isShutdown(); } |
34 |
public boolean awaitTermination(long timeout, TimeUnit unit) { return isShutdown(); } |
35 |
private volatile boolean shutdown = false; |
36 |
} |
37 |
|
38 |
/** |
39 |
* execute(runnable) runs it to completion |
40 |
*/ |
41 |
public void testExecuteRunnable() throws Exception { |
42 |
ExecutorService e = new DirectExecutorService(); |
43 |
TrackedShortRunnable task = new TrackedShortRunnable(); |
44 |
assertFalse(task.done); |
45 |
Future<?> future = e.submit(task); |
46 |
future.get(); |
47 |
assertTrue(task.done); |
48 |
} |
49 |
|
50 |
|
51 |
/** |
52 |
* Completed submit(callable) returns result |
53 |
*/ |
54 |
public void testSubmitCallable() throws Exception { |
55 |
ExecutorService e = new DirectExecutorService(); |
56 |
Future<String> future = e.submit(new StringTask()); |
57 |
String result = future.get(); |
58 |
assertSame(TEST_STRING, result); |
59 |
} |
60 |
|
61 |
/** |
62 |
* Completed submit(runnable) returns successfully |
63 |
*/ |
64 |
public void testSubmitRunnable() throws Exception { |
65 |
ExecutorService e = new DirectExecutorService(); |
66 |
Future<?> future = e.submit(new NoOpRunnable()); |
67 |
future.get(); |
68 |
assertTrue(future.isDone()); |
69 |
} |
70 |
|
71 |
/** |
72 |
* Completed submit(runnable, result) returns result |
73 |
*/ |
74 |
public void testSubmitRunnable2() throws Exception { |
75 |
ExecutorService e = new DirectExecutorService(); |
76 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
77 |
String result = future.get(); |
78 |
assertSame(TEST_STRING, result); |
79 |
} |
80 |
|
81 |
|
82 |
/** |
83 |
* A submitted privileged action to completion |
84 |
*/ |
85 |
public void testSubmitPrivilegedAction() throws Exception { |
86 |
Policy savedPolicy = null; |
87 |
try { |
88 |
savedPolicy = Policy.getPolicy(); |
89 |
AdjustablePolicy policy = new AdjustablePolicy(); |
90 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
91 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
92 |
Policy.setPolicy(policy); |
93 |
} catch (AccessControlException ok) { |
94 |
return; |
95 |
} |
96 |
try { |
97 |
ExecutorService e = new DirectExecutorService(); |
98 |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
99 |
public Object run() { |
100 |
return TEST_STRING; |
101 |
}})); |
102 |
|
103 |
Object result = future.get(); |
104 |
assertSame(TEST_STRING, result); |
105 |
} |
106 |
finally { |
107 |
try { |
108 |
Policy.setPolicy(savedPolicy); |
109 |
} catch (AccessControlException ok) { |
110 |
return; |
111 |
} |
112 |
} |
113 |
} |
114 |
|
115 |
/** |
116 |
* A submitted a privileged exception action runs to completion |
117 |
*/ |
118 |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
119 |
Policy savedPolicy = null; |
120 |
try { |
121 |
savedPolicy = Policy.getPolicy(); |
122 |
AdjustablePolicy policy = new AdjustablePolicy(); |
123 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
124 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
125 |
Policy.setPolicy(policy); |
126 |
} catch (AccessControlException ok) { |
127 |
return; |
128 |
} |
129 |
|
130 |
try { |
131 |
ExecutorService e = new DirectExecutorService(); |
132 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
133 |
public Object run() { |
134 |
return TEST_STRING; |
135 |
}})); |
136 |
|
137 |
Object result = future.get(); |
138 |
assertSame(TEST_STRING, result); |
139 |
} |
140 |
finally { |
141 |
Policy.setPolicy(savedPolicy); |
142 |
} |
143 |
} |
144 |
|
145 |
/** |
146 |
* A submitted failed privileged exception action reports exception |
147 |
*/ |
148 |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
149 |
Policy savedPolicy = null; |
150 |
try { |
151 |
savedPolicy = Policy.getPolicy(); |
152 |
AdjustablePolicy policy = new AdjustablePolicy(); |
153 |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
154 |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
155 |
Policy.setPolicy(policy); |
156 |
} catch (AccessControlException ok) { |
157 |
return; |
158 |
} |
159 |
|
160 |
try { |
161 |
ExecutorService e = new DirectExecutorService(); |
162 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
163 |
public Object run() throws Exception { |
164 |
throw new IndexOutOfBoundsException(); |
165 |
}})); |
166 |
|
167 |
future.get(); |
168 |
shouldThrow(); |
169 |
} catch (ExecutionException success) { |
170 |
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
171 |
} |
172 |
finally { |
173 |
Policy.setPolicy(savedPolicy); |
174 |
} |
175 |
} |
176 |
|
177 |
/** |
178 |
* execute(null runnable) throws NPE |
179 |
*/ |
180 |
public void testExecuteNullRunnable() { |
181 |
try { |
182 |
ExecutorService e = new DirectExecutorService(); |
183 |
e.submit((Runnable) null); |
184 |
shouldThrow(); |
185 |
} catch (NullPointerException success) {} |
186 |
} |
187 |
|
188 |
|
189 |
/** |
190 |
* submit(null callable) throws NPE |
191 |
*/ |
192 |
public void testSubmitNullCallable() { |
193 |
try { |
194 |
ExecutorService e = new DirectExecutorService(); |
195 |
e.submit((Callable) null); |
196 |
shouldThrow(); |
197 |
} catch (NullPointerException success) {} |
198 |
} |
199 |
|
200 |
/** |
201 |
* submit(runnable) throws RejectedExecutionException if |
202 |
* executor is saturated. |
203 |
*/ |
204 |
public void testExecute1() { |
205 |
ThreadPoolExecutor p = |
206 |
new ThreadPoolExecutor(1, 1, |
207 |
60, TimeUnit.SECONDS, |
208 |
new ArrayBlockingQueue<Runnable>(1)); |
209 |
try { |
210 |
for (int i = 0; i < 2; ++i) |
211 |
p.submit(new MediumRunnable()); |
212 |
for (int i = 0; i < 2; ++i) { |
213 |
try { |
214 |
p.submit(new MediumRunnable()); |
215 |
shouldThrow(); |
216 |
} catch (RejectedExecutionException success) {} |
217 |
} |
218 |
} finally { |
219 |
joinPool(p); |
220 |
} |
221 |
} |
222 |
|
223 |
/** |
224 |
* submit(callable) throws RejectedExecutionException |
225 |
* if executor is saturated. |
226 |
*/ |
227 |
public void testExecute2() { |
228 |
ThreadPoolExecutor p = |
229 |
new ThreadPoolExecutor(1, 1, |
230 |
60, TimeUnit.SECONDS, |
231 |
new ArrayBlockingQueue<Runnable>(1)); |
232 |
try { |
233 |
for (int i = 0; i < 2; ++i) |
234 |
p.submit(new MediumRunnable()); |
235 |
for (int i = 0; i < 2; ++i) { |
236 |
try { |
237 |
p.submit(new SmallCallable()); |
238 |
shouldThrow(); |
239 |
} catch (RejectedExecutionException success) {} |
240 |
} |
241 |
} finally { |
242 |
joinPool(p); |
243 |
} |
244 |
} |
245 |
|
246 |
|
247 |
/** |
248 |
* Blocking on submit(callable) throws InterruptedException if |
249 |
* caller interrupted. |
250 |
*/ |
251 |
public void testInterruptedSubmit() throws InterruptedException { |
252 |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,60, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10)); |
253 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
254 |
public void realRun() throws Exception { |
255 |
p.submit(new CheckedCallable<Object>() { |
256 |
public Object realCall() |
257 |
throws InterruptedException { |
258 |
Thread.sleep(SMALL_DELAY_MS); |
259 |
return null; |
260 |
}}).get(); |
261 |
}}); |
262 |
|
263 |
t.start(); |
264 |
Thread.sleep(SHORT_DELAY_MS); |
265 |
t.interrupt(); |
266 |
joinPool(p); |
267 |
} |
268 |
|
269 |
/** |
270 |
* get of submitted callable throws InterruptedException if callable |
271 |
* interrupted |
272 |
*/ |
273 |
public void testSubmitIE() throws InterruptedException { |
274 |
final ThreadPoolExecutor p = |
275 |
new ThreadPoolExecutor(1, 1, |
276 |
60, TimeUnit.SECONDS, |
277 |
new ArrayBlockingQueue<Runnable>(10)); |
278 |
|
279 |
Thread t = new Thread(new CheckedInterruptedRunnable() { |
280 |
public void realRun() throws Exception { |
281 |
p.submit(new SmallCallable()).get(); |
282 |
}}); |
283 |
|
284 |
t.start(); |
285 |
Thread.sleep(SHORT_DELAY_MS); |
286 |
t.interrupt(); |
287 |
t.join(); |
288 |
joinPool(p); |
289 |
} |
290 |
|
291 |
/** |
292 |
* get of submit(callable) throws ExecutionException if callable |
293 |
* throws exception |
294 |
*/ |
295 |
public void testSubmitEE() throws InterruptedException { |
296 |
ThreadPoolExecutor p = |
297 |
new ThreadPoolExecutor(1, 1, |
298 |
60, TimeUnit.SECONDS, |
299 |
new ArrayBlockingQueue<Runnable>(10)); |
300 |
|
301 |
Callable c = new Callable() { |
302 |
public Object call() { return 5/0; }}; |
303 |
|
304 |
try { |
305 |
p.submit(c).get(); |
306 |
shouldThrow(); |
307 |
} catch (ExecutionException success) { |
308 |
assertTrue(success.getCause() instanceof ArithmeticException); |
309 |
} |
310 |
joinPool(p); |
311 |
} |
312 |
|
313 |
/** |
314 |
* invokeAny(null) throws NPE |
315 |
*/ |
316 |
public void testInvokeAny1() |
317 |
throws InterruptedException, ExecutionException { |
318 |
ExecutorService e = new DirectExecutorService(); |
319 |
try { |
320 |
e.invokeAny(null); |
321 |
shouldThrow(); |
322 |
} catch (NullPointerException success) { |
323 |
} finally { |
324 |
joinPool(e); |
325 |
} |
326 |
} |
327 |
|
328 |
/** |
329 |
* invokeAny(empty collection) throws IAE |
330 |
*/ |
331 |
public void testInvokeAny2() |
332 |
throws InterruptedException, ExecutionException { |
333 |
ExecutorService e = new DirectExecutorService(); |
334 |
try { |
335 |
e.invokeAny(new ArrayList<Callable<String>>()); |
336 |
shouldThrow(); |
337 |
} catch (IllegalArgumentException success) { |
338 |
} finally { |
339 |
joinPool(e); |
340 |
} |
341 |
} |
342 |
|
343 |
/** |
344 |
* invokeAny(c) throws NPE if c has null elements |
345 |
*/ |
346 |
public void testInvokeAny3() throws Exception { |
347 |
final CountDownLatch latch = new CountDownLatch(1); |
348 |
ExecutorService e = new DirectExecutorService(); |
349 |
try { |
350 |
ArrayList<Callable<Integer>> l |
351 |
= new ArrayList<Callable<Integer>>(); |
352 |
l.add(new Callable<Integer>() { |
353 |
public Integer call() { return 5/0; }}); |
354 |
l.add(null); |
355 |
e.invokeAny(l); |
356 |
shouldThrow(); |
357 |
} catch (NullPointerException success) { |
358 |
} finally { |
359 |
latch.countDown(); |
360 |
joinPool(e); |
361 |
} |
362 |
} |
363 |
|
364 |
/** |
365 |
* invokeAny(c) throws ExecutionException if no task in c completes |
366 |
*/ |
367 |
public void testInvokeAny4() throws InterruptedException { |
368 |
ExecutorService e = new DirectExecutorService(); |
369 |
try { |
370 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
371 |
l.add(new NPETask()); |
372 |
e.invokeAny(l); |
373 |
shouldThrow(); |
374 |
} catch (ExecutionException success) { |
375 |
assertTrue(success.getCause() instanceof NullPointerException); |
376 |
} finally { |
377 |
joinPool(e); |
378 |
} |
379 |
} |
380 |
|
381 |
/** |
382 |
* invokeAny(c) returns result of some task in c if at least one completes |
383 |
*/ |
384 |
public void testInvokeAny5() throws Exception { |
385 |
ExecutorService e = new DirectExecutorService(); |
386 |
try { |
387 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
388 |
l.add(new StringTask()); |
389 |
l.add(new StringTask()); |
390 |
String result = e.invokeAny(l); |
391 |
assertSame(TEST_STRING, result); |
392 |
} finally { |
393 |
joinPool(e); |
394 |
} |
395 |
} |
396 |
|
397 |
/** |
398 |
* invokeAll(null) throws NPE |
399 |
*/ |
400 |
public void testInvokeAll1() throws InterruptedException { |
401 |
ExecutorService e = new DirectExecutorService(); |
402 |
try { |
403 |
e.invokeAll(null); |
404 |
shouldThrow(); |
405 |
} catch (NullPointerException success) { |
406 |
} finally { |
407 |
joinPool(e); |
408 |
} |
409 |
} |
410 |
|
411 |
/** |
412 |
* invokeAll(empty collection) returns empty collection |
413 |
*/ |
414 |
public void testInvokeAll2() throws InterruptedException { |
415 |
ExecutorService e = new DirectExecutorService(); |
416 |
try { |
417 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
418 |
assertTrue(r.isEmpty()); |
419 |
} finally { |
420 |
joinPool(e); |
421 |
} |
422 |
} |
423 |
|
424 |
/** |
425 |
* invokeAll(c) throws NPE if c has null elements |
426 |
*/ |
427 |
public void testInvokeAll3() throws InterruptedException { |
428 |
ExecutorService e = new DirectExecutorService(); |
429 |
try { |
430 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
431 |
l.add(new StringTask()); |
432 |
l.add(null); |
433 |
e.invokeAll(l); |
434 |
shouldThrow(); |
435 |
} catch (NullPointerException success) { |
436 |
} finally { |
437 |
joinPool(e); |
438 |
} |
439 |
} |
440 |
|
441 |
/** |
442 |
* get of returned element of invokeAll(c) throws exception on failed task |
443 |
*/ |
444 |
public void testInvokeAll4() throws Exception { |
445 |
ExecutorService e = new DirectExecutorService(); |
446 |
try { |
447 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
448 |
l.add(new NPETask()); |
449 |
List<Future<String>> result = e.invokeAll(l); |
450 |
assertEquals(1, result.size()); |
451 |
for (Future<String> future : result) { |
452 |
try { |
453 |
future.get(); |
454 |
shouldThrow(); |
455 |
} catch (ExecutionException success) { |
456 |
Throwable cause = success.getCause(); |
457 |
assertTrue(cause instanceof NullPointerException); |
458 |
} |
459 |
} |
460 |
} finally { |
461 |
joinPool(e); |
462 |
} |
463 |
} |
464 |
|
465 |
/** |
466 |
* invokeAll(c) returns results of all completed tasks in c |
467 |
*/ |
468 |
public void testInvokeAll5() throws Exception { |
469 |
ExecutorService e = new DirectExecutorService(); |
470 |
try { |
471 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
472 |
l.add(new StringTask()); |
473 |
l.add(new StringTask()); |
474 |
List<Future<String>> result = e.invokeAll(l); |
475 |
assertEquals(2, result.size()); |
476 |
for (Future<String> future : result) |
477 |
assertSame(TEST_STRING, future.get()); |
478 |
} finally { |
479 |
joinPool(e); |
480 |
} |
481 |
} |
482 |
|
483 |
|
484 |
/** |
485 |
* timed invokeAny(null) throws NPE |
486 |
*/ |
487 |
public void testTimedInvokeAny1() throws Exception { |
488 |
ExecutorService e = new DirectExecutorService(); |
489 |
try { |
490 |
e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
491 |
shouldThrow(); |
492 |
} catch (NullPointerException success) { |
493 |
} finally { |
494 |
joinPool(e); |
495 |
} |
496 |
} |
497 |
|
498 |
/** |
499 |
* timed invokeAny(null time unit) throws NPE |
500 |
*/ |
501 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
502 |
ExecutorService e = new DirectExecutorService(); |
503 |
try { |
504 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
505 |
l.add(new StringTask()); |
506 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
507 |
shouldThrow(); |
508 |
} catch (NullPointerException success) { |
509 |
} finally { |
510 |
joinPool(e); |
511 |
} |
512 |
} |
513 |
|
514 |
/** |
515 |
* timed invokeAny(empty collection) throws IAE |
516 |
*/ |
517 |
public void testTimedInvokeAny2() throws Exception { |
518 |
ExecutorService e = new DirectExecutorService(); |
519 |
try { |
520 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
521 |
shouldThrow(); |
522 |
} catch (IllegalArgumentException success) { |
523 |
} finally { |
524 |
joinPool(e); |
525 |
} |
526 |
} |
527 |
|
528 |
/** |
529 |
* timed invokeAny(c) throws NPE if c has null elements |
530 |
*/ |
531 |
public void testTimedInvokeAny3() throws Exception { |
532 |
final CountDownLatch latch = new CountDownLatch(1); |
533 |
ExecutorService e = new DirectExecutorService(); |
534 |
try { |
535 |
ArrayList<Callable<Integer>> l |
536 |
= new ArrayList<Callable<Integer>>(); |
537 |
l.add(new Callable<Integer>() { |
538 |
public Integer call() { return 5/0; }}); |
539 |
l.add(null); |
540 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
541 |
shouldThrow(); |
542 |
} catch (NullPointerException success) { |
543 |
} finally { |
544 |
latch.countDown(); |
545 |
joinPool(e); |
546 |
} |
547 |
} |
548 |
|
549 |
/** |
550 |
* timed invokeAny(c) throws ExecutionException if no task completes |
551 |
*/ |
552 |
public void testTimedInvokeAny4() throws Exception { |
553 |
ExecutorService e = new DirectExecutorService(); |
554 |
try { |
555 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
556 |
l.add(new NPETask()); |
557 |
e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
558 |
shouldThrow(); |
559 |
} catch (ExecutionException success) { |
560 |
assertTrue(success.getCause() instanceof NullPointerException); |
561 |
} finally { |
562 |
joinPool(e); |
563 |
} |
564 |
} |
565 |
|
566 |
/** |
567 |
* timed invokeAny(c) returns result of some task in c |
568 |
*/ |
569 |
public void testTimedInvokeAny5() throws Exception { |
570 |
ExecutorService e = new DirectExecutorService(); |
571 |
try { |
572 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
573 |
l.add(new StringTask()); |
574 |
l.add(new StringTask()); |
575 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
576 |
assertSame(TEST_STRING, result); |
577 |
} finally { |
578 |
joinPool(e); |
579 |
} |
580 |
} |
581 |
|
582 |
/** |
583 |
* timed invokeAll(null) throws NPE |
584 |
*/ |
585 |
public void testTimedInvokeAll1() throws InterruptedException { |
586 |
ExecutorService e = new DirectExecutorService(); |
587 |
try { |
588 |
e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
589 |
shouldThrow(); |
590 |
} catch (NullPointerException success) { |
591 |
} finally { |
592 |
joinPool(e); |
593 |
} |
594 |
} |
595 |
|
596 |
/** |
597 |
* timed invokeAll(null time unit) throws NPE |
598 |
*/ |
599 |
public void testTimedInvokeAllNullTimeUnit() throws InterruptedException { |
600 |
ExecutorService e = new DirectExecutorService(); |
601 |
try { |
602 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
603 |
l.add(new StringTask()); |
604 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
605 |
shouldThrow(); |
606 |
} catch (NullPointerException success) { |
607 |
} finally { |
608 |
joinPool(e); |
609 |
} |
610 |
} |
611 |
|
612 |
/** |
613 |
* timed invokeAll(empty collection) returns empty collection |
614 |
*/ |
615 |
public void testTimedInvokeAll2() throws InterruptedException { |
616 |
ExecutorService e = new DirectExecutorService(); |
617 |
try { |
618 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
619 |
assertTrue(r.isEmpty()); |
620 |
} finally { |
621 |
joinPool(e); |
622 |
} |
623 |
} |
624 |
|
625 |
/** |
626 |
* timed invokeAll(c) throws NPE if c has null elements |
627 |
*/ |
628 |
public void testTimedInvokeAll3() throws InterruptedException { |
629 |
ExecutorService e = new DirectExecutorService(); |
630 |
try { |
631 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
632 |
l.add(new StringTask()); |
633 |
l.add(null); |
634 |
e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
635 |
shouldThrow(); |
636 |
} catch (NullPointerException success) { |
637 |
} finally { |
638 |
joinPool(e); |
639 |
} |
640 |
} |
641 |
|
642 |
/** |
643 |
* get of returned element of invokeAll(c) throws exception on failed task |
644 |
*/ |
645 |
public void testTimedInvokeAll4() throws Exception { |
646 |
ExecutorService e = new DirectExecutorService(); |
647 |
try { |
648 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
649 |
l.add(new NPETask()); |
650 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
651 |
assertEquals(1, result.size()); |
652 |
for (Future<String> future : result) { |
653 |
try { |
654 |
future.get(); |
655 |
} catch (ExecutionException success) { |
656 |
assertTrue(success.getCause() instanceof NullPointerException); |
657 |
} |
658 |
} |
659 |
} finally { |
660 |
joinPool(e); |
661 |
} |
662 |
} |
663 |
|
664 |
/** |
665 |
* timed invokeAll(c) returns results of all completed tasks in c |
666 |
*/ |
667 |
public void testTimedInvokeAll5() throws Exception { |
668 |
ExecutorService e = new DirectExecutorService(); |
669 |
try { |
670 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
671 |
l.add(new StringTask()); |
672 |
l.add(new StringTask()); |
673 |
List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS); |
674 |
assertEquals(2, result.size()); |
675 |
for (Future<String> future : result) |
676 |
assertSame(TEST_STRING, future.get()); |
677 |
} finally { |
678 |
joinPool(e); |
679 |
} |
680 |
} |
681 |
|
682 |
/** |
683 |
* timed invokeAll cancels tasks not completed by timeout |
684 |
*/ |
685 |
public void testTimedInvokeAll6() throws InterruptedException { |
686 |
ExecutorService e = new DirectExecutorService(); |
687 |
try { |
688 |
ArrayList<Callable<String>> l = new ArrayList<Callable<String>>(); |
689 |
l.add(new StringTask()); |
690 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
691 |
l.add(new StringTask()); |
692 |
List<Future<String>> result = e.invokeAll(l, SMALL_DELAY_MS, TimeUnit.MILLISECONDS); |
693 |
assertEquals(3, result.size()); |
694 |
Iterator<Future<String>> it = result.iterator(); |
695 |
Future<String> f1 = it.next(); |
696 |
Future<String> f2 = it.next(); |
697 |
Future<String> f3 = it.next(); |
698 |
assertTrue(f1.isDone()); |
699 |
assertFalse(f1.isCancelled()); |
700 |
assertTrue(f2.isDone()); |
701 |
assertTrue(f3.isDone()); |
702 |
assertTrue(f3.isCancelled()); |
703 |
} finally { |
704 |
joinPool(e); |
705 |
} |
706 |
} |
707 |
|
708 |
} |