20 |
|
return new TestSuite(ExecutorsTest.class); |
21 |
|
} |
22 |
|
|
23 |
– |
private static final String TEST_STRING = "a test string"; |
24 |
– |
|
25 |
– |
private static class StringTask implements Callable<String> { |
26 |
– |
public String call() { return TEST_STRING; } |
27 |
– |
} |
28 |
– |
|
29 |
– |
static class DirectExecutor implements Executor { |
30 |
– |
public void execute(Runnable r) { |
31 |
– |
r.run(); |
32 |
– |
} |
33 |
– |
} |
34 |
– |
|
23 |
|
static class TimedCallable<T> implements Callable<T> { |
24 |
< |
private final Executor exec; |
24 |
> |
private final ExecutorService exec; |
25 |
|
private final Callable<T> func; |
26 |
|
private final long msecs; |
27 |
|
|
28 |
< |
TimedCallable(Executor exec, Callable<T> func, long msecs) { |
28 |
> |
TimedCallable(ExecutorService exec, Callable<T> func, long msecs) { |
29 |
|
this.exec = exec; |
30 |
|
this.func = func; |
31 |
|
this.msecs = msecs; |
32 |
|
} |
33 |
|
|
34 |
|
public T call() throws Exception { |
35 |
< |
Future<T> ftask = Executors.execute(exec, func); |
35 |
> |
Future<T> ftask = exec.submit(func); |
36 |
|
try { |
37 |
|
return ftask.get(msecs, TimeUnit.MILLISECONDS); |
38 |
|
} finally { |
175 |
|
} |
176 |
|
} |
177 |
|
|
190 |
– |
/** |
191 |
– |
* execute of runnable runs it to completion |
192 |
– |
*/ |
193 |
– |
public void testExecuteRunnable() { |
194 |
– |
try { |
195 |
– |
Executor e = new DirectExecutor(); |
196 |
– |
TrackedShortRunnable task = new TrackedShortRunnable(); |
197 |
– |
assertFalse(task.done); |
198 |
– |
Future<?> future = Executors.execute(e, task); |
199 |
– |
future.get(); |
200 |
– |
assertTrue(task.done); |
201 |
– |
} |
202 |
– |
catch (ExecutionException ex) { |
203 |
– |
unexpectedException(); |
204 |
– |
} |
205 |
– |
catch (InterruptedException ex) { |
206 |
– |
unexpectedException(); |
207 |
– |
} |
208 |
– |
} |
209 |
– |
|
210 |
– |
/** |
211 |
– |
* invoke of a runnable runs it to completion |
212 |
– |
*/ |
213 |
– |
public void testInvokeRunnable() { |
214 |
– |
try { |
215 |
– |
Executor e = new DirectExecutor(); |
216 |
– |
TrackedShortRunnable task = new TrackedShortRunnable(); |
217 |
– |
assertFalse(task.done); |
218 |
– |
Executors.invoke(e, task); |
219 |
– |
assertTrue(task.done); |
220 |
– |
} |
221 |
– |
catch (ExecutionException ex) { |
222 |
– |
unexpectedException(); |
223 |
– |
} |
224 |
– |
catch (InterruptedException ex) { |
225 |
– |
unexpectedException(); |
226 |
– |
} |
227 |
– |
} |
228 |
– |
|
229 |
– |
/** |
230 |
– |
* execute of a callable runs it to completion |
231 |
– |
*/ |
232 |
– |
public void testExecuteCallable() { |
233 |
– |
try { |
234 |
– |
Executor e = new DirectExecutor(); |
235 |
– |
Future<String> future = Executors.execute(e, new StringTask()); |
236 |
– |
String result = future.get(); |
237 |
– |
assertSame(TEST_STRING, result); |
238 |
– |
} |
239 |
– |
catch (ExecutionException ex) { |
240 |
– |
unexpectedException(); |
241 |
– |
} |
242 |
– |
catch (InterruptedException ex) { |
243 |
– |
unexpectedException(); |
244 |
– |
} |
245 |
– |
} |
246 |
– |
|
247 |
– |
|
248 |
– |
/** |
249 |
– |
* execute of a privileged action runs it to completion |
250 |
– |
*/ |
251 |
– |
public void testExecutePrivilegedAction() { |
252 |
– |
Policy savedPolicy = Policy.getPolicy(); |
253 |
– |
AdjustablePolicy policy = new AdjustablePolicy(); |
254 |
– |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
255 |
– |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
256 |
– |
Policy.setPolicy(policy); |
257 |
– |
try { |
258 |
– |
Executor e = new DirectExecutor(); |
259 |
– |
Future future = Executors.execute(e, new PrivilegedAction() { |
260 |
– |
public Object run() { |
261 |
– |
return TEST_STRING; |
262 |
– |
}}); |
263 |
– |
|
264 |
– |
Object result = future.get(); |
265 |
– |
assertSame(TEST_STRING, result); |
266 |
– |
} |
267 |
– |
catch (ExecutionException ex) { |
268 |
– |
unexpectedException(); |
269 |
– |
} |
270 |
– |
catch (InterruptedException ex) { |
271 |
– |
unexpectedException(); |
272 |
– |
} |
273 |
– |
finally { |
274 |
– |
Policy.setPolicy(savedPolicy); |
275 |
– |
} |
276 |
– |
} |
277 |
– |
|
278 |
– |
/** |
279 |
– |
* execute of a privileged exception action runs it to completion |
280 |
– |
*/ |
281 |
– |
public void testExecutePrivilegedExceptionAction() { |
282 |
– |
Policy savedPolicy = Policy.getPolicy(); |
283 |
– |
AdjustablePolicy policy = new AdjustablePolicy(); |
284 |
– |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
285 |
– |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
286 |
– |
Policy.setPolicy(policy); |
287 |
– |
try { |
288 |
– |
Executor e = new DirectExecutor(); |
289 |
– |
Future future = Executors.execute(e, new PrivilegedExceptionAction() { |
290 |
– |
public Object run() { |
291 |
– |
return TEST_STRING; |
292 |
– |
}}); |
293 |
– |
|
294 |
– |
Object result = future.get(); |
295 |
– |
assertSame(TEST_STRING, result); |
296 |
– |
} |
297 |
– |
catch (ExecutionException ex) { |
298 |
– |
unexpectedException(); |
299 |
– |
} |
300 |
– |
catch (InterruptedException ex) { |
301 |
– |
unexpectedException(); |
302 |
– |
} |
303 |
– |
finally { |
304 |
– |
Policy.setPolicy(savedPolicy); |
305 |
– |
} |
306 |
– |
} |
307 |
– |
|
308 |
– |
/** |
309 |
– |
* execute of a failed privileged exception action reports exception |
310 |
– |
*/ |
311 |
– |
public void testExecuteFailedPrivilegedExceptionAction() { |
312 |
– |
Policy savedPolicy = Policy.getPolicy(); |
313 |
– |
AdjustablePolicy policy = new AdjustablePolicy(); |
314 |
– |
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
315 |
– |
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
316 |
– |
Policy.setPolicy(policy); |
317 |
– |
try { |
318 |
– |
Executor e = new DirectExecutor(); |
319 |
– |
Future future = Executors.execute(e, new PrivilegedExceptionAction() { |
320 |
– |
public Object run() throws Exception { |
321 |
– |
throw new IndexOutOfBoundsException(); |
322 |
– |
}}); |
323 |
– |
|
324 |
– |
Object result = future.get(); |
325 |
– |
shouldThrow(); |
326 |
– |
} |
327 |
– |
catch (ExecutionException success) { |
328 |
– |
} |
329 |
– |
catch (InterruptedException ex) { |
330 |
– |
unexpectedException(); |
331 |
– |
} |
332 |
– |
finally { |
333 |
– |
Policy.setPolicy(savedPolicy); |
334 |
– |
} |
335 |
– |
} |
336 |
– |
|
337 |
– |
/** |
338 |
– |
* invoke of a collable runs it to completion |
339 |
– |
*/ |
340 |
– |
public void testInvokeCallable() { |
341 |
– |
try { |
342 |
– |
Executor e = new DirectExecutor(); |
343 |
– |
String result = Executors.invoke(e, new StringTask()); |
344 |
– |
|
345 |
– |
assertSame(TEST_STRING, result); |
346 |
– |
} |
347 |
– |
catch (ExecutionException ex) { |
348 |
– |
unexpectedException(); |
349 |
– |
} |
350 |
– |
catch (InterruptedException ex) { |
351 |
– |
unexpectedException(); |
352 |
– |
} |
353 |
– |
} |
354 |
– |
|
355 |
– |
/** |
356 |
– |
* execute with null executor throws NPE |
357 |
– |
*/ |
358 |
– |
public void testNullExecuteRunnable() { |
359 |
– |
try { |
360 |
– |
TrackedShortRunnable task = new TrackedShortRunnable(); |
361 |
– |
assertFalse(task.done); |
362 |
– |
Future<?> future = Executors.execute(null, task); |
363 |
– |
shouldThrow(); |
364 |
– |
} |
365 |
– |
catch (NullPointerException success) { |
366 |
– |
} |
367 |
– |
catch (Exception ex) { |
368 |
– |
unexpectedException(); |
369 |
– |
} |
370 |
– |
} |
371 |
– |
|
372 |
– |
/** |
373 |
– |
* execute with a null runnable throws NPE |
374 |
– |
*/ |
375 |
– |
public void testExecuteNullRunnable() { |
376 |
– |
try { |
377 |
– |
Executor e = new DirectExecutor(); |
378 |
– |
TrackedShortRunnable task = null; |
379 |
– |
Future<?> future = Executors.execute(e, task); |
380 |
– |
shouldThrow(); |
381 |
– |
} |
382 |
– |
catch (NullPointerException success) { |
383 |
– |
} |
384 |
– |
catch (Exception ex) { |
385 |
– |
unexpectedException(); |
386 |
– |
} |
387 |
– |
} |
388 |
– |
|
389 |
– |
/** |
390 |
– |
* invoke of a null runnable throws NPE |
391 |
– |
*/ |
392 |
– |
public void testInvokeNullRunnable() { |
393 |
– |
try { |
394 |
– |
Executor e = new DirectExecutor(); |
395 |
– |
TrackedShortRunnable task = null; |
396 |
– |
Executors.invoke(e, task); |
397 |
– |
shouldThrow(); |
398 |
– |
} |
399 |
– |
catch (NullPointerException success) { |
400 |
– |
} |
401 |
– |
catch (Exception ex) { |
402 |
– |
unexpectedException(); |
403 |
– |
} |
404 |
– |
} |
405 |
– |
|
406 |
– |
/** |
407 |
– |
* execute of a null callable throws NPE |
408 |
– |
*/ |
409 |
– |
public void testExecuteNullCallable() { |
410 |
– |
try { |
411 |
– |
Executor e = new DirectExecutor(); |
412 |
– |
StringTask t = null; |
413 |
– |
Future<String> future = Executors.execute(e, t); |
414 |
– |
shouldThrow(); |
415 |
– |
} |
416 |
– |
catch (NullPointerException success) { |
417 |
– |
} |
418 |
– |
catch (Exception ex) { |
419 |
– |
unexpectedException(); |
420 |
– |
} |
421 |
– |
} |
422 |
– |
|
423 |
– |
/** |
424 |
– |
* invoke of a null callable throws NPE |
425 |
– |
*/ |
426 |
– |
public void testInvokeNullCallable() { |
427 |
– |
try { |
428 |
– |
Executor e = new DirectExecutor(); |
429 |
– |
StringTask t = null; |
430 |
– |
String result = Executors.invoke(e, t); |
431 |
– |
shouldThrow(); |
432 |
– |
} |
433 |
– |
catch (NullPointerException success) { |
434 |
– |
} |
435 |
– |
catch (Exception ex) { |
436 |
– |
unexpectedException(); |
437 |
– |
} |
438 |
– |
} |
439 |
– |
|
440 |
– |
/** |
441 |
– |
* execute(Executor, Runnable) throws RejectedExecutionException |
442 |
– |
* if saturated. |
443 |
– |
*/ |
444 |
– |
public void testExecute1() { |
445 |
– |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
446 |
– |
try { |
447 |
– |
|
448 |
– |
for(int i = 0; i < 5; ++i){ |
449 |
– |
Executors.execute(p, new MediumRunnable()); |
450 |
– |
} |
451 |
– |
shouldThrow(); |
452 |
– |
} catch(RejectedExecutionException success){} |
453 |
– |
joinPool(p); |
454 |
– |
} |
455 |
– |
|
456 |
– |
/** |
457 |
– |
* execute(Executor, Callable)throws RejectedExecutionException |
458 |
– |
* if saturated. |
459 |
– |
*/ |
460 |
– |
public void testExecute2() { |
461 |
– |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1)); |
462 |
– |
try { |
463 |
– |
for(int i = 0; i < 5; ++i) { |
464 |
– |
Executors.execute(p, new SmallCallable()); |
465 |
– |
} |
466 |
– |
shouldThrow(); |
467 |
– |
} catch(RejectedExecutionException e){} |
468 |
– |
joinPool(p); |
469 |
– |
} |
470 |
– |
|
471 |
– |
|
472 |
– |
/** |
473 |
– |
* invoke(Executor, Runnable) throws InterruptedException if |
474 |
– |
* caller interrupted. |
475 |
– |
*/ |
476 |
– |
public void testInterruptedInvoke() { |
477 |
– |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
478 |
– |
Thread t = new Thread(new Runnable() { |
479 |
– |
public void run() { |
480 |
– |
try { |
481 |
– |
Executors.invoke(p,new Runnable() { |
482 |
– |
public void run() { |
483 |
– |
try { |
484 |
– |
Thread.sleep(MEDIUM_DELAY_MS); |
485 |
– |
shouldThrow(); |
486 |
– |
} catch(InterruptedException e){ |
487 |
– |
} |
488 |
– |
} |
489 |
– |
}); |
490 |
– |
} catch(InterruptedException success){ |
491 |
– |
} catch(Exception e) { |
492 |
– |
unexpectedException(); |
493 |
– |
} |
494 |
– |
|
495 |
– |
} |
496 |
– |
}); |
497 |
– |
try { |
498 |
– |
t.start(); |
499 |
– |
Thread.sleep(SHORT_DELAY_MS); |
500 |
– |
t.interrupt(); |
501 |
– |
} catch(Exception e){ |
502 |
– |
unexpectedException(); |
503 |
– |
} |
504 |
– |
joinPool(p); |
505 |
– |
} |
506 |
– |
|
507 |
– |
/** |
508 |
– |
* invoke(Executor, Runnable) throws ExecutionException if |
509 |
– |
* runnable throws exception. |
510 |
– |
*/ |
511 |
– |
public void testInvoke3() { |
512 |
– |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
513 |
– |
try { |
514 |
– |
Runnable r = new Runnable() { |
515 |
– |
public void run() { |
516 |
– |
int i = 5/0; |
517 |
– |
} |
518 |
– |
}; |
519 |
– |
|
520 |
– |
for(int i =0; i < 5; i++){ |
521 |
– |
Executors.invoke(p,r); |
522 |
– |
} |
523 |
– |
|
524 |
– |
shouldThrow(); |
525 |
– |
} catch(ExecutionException success){ |
526 |
– |
} catch(Exception e){ |
527 |
– |
unexpectedException(); |
528 |
– |
} |
529 |
– |
joinPool(p); |
530 |
– |
} |
531 |
– |
|
532 |
– |
|
533 |
– |
|
534 |
– |
/** |
535 |
– |
* invoke(Executor, Callable) throws InterruptedException if |
536 |
– |
* callable throws exception |
537 |
– |
*/ |
538 |
– |
public void testInvoke5() { |
539 |
– |
final ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
540 |
– |
|
541 |
– |
final Callable c = new Callable() { |
542 |
– |
public Object call() { |
543 |
– |
try { |
544 |
– |
Executors.invoke(p, new SmallCallable()); |
545 |
– |
shouldThrow(); |
546 |
– |
} catch(InterruptedException e){} |
547 |
– |
catch(RejectedExecutionException e2){} |
548 |
– |
catch(ExecutionException e3){} |
549 |
– |
return Boolean.TRUE; |
550 |
– |
} |
551 |
– |
}; |
552 |
– |
|
553 |
– |
|
554 |
– |
|
555 |
– |
Thread t = new Thread(new Runnable() { |
556 |
– |
public void run() { |
557 |
– |
try { |
558 |
– |
c.call(); |
559 |
– |
} catch(Exception e){} |
560 |
– |
} |
561 |
– |
}); |
562 |
– |
try { |
563 |
– |
t.start(); |
564 |
– |
Thread.sleep(SHORT_DELAY_MS); |
565 |
– |
t.interrupt(); |
566 |
– |
t.join(); |
567 |
– |
} catch(InterruptedException e){ |
568 |
– |
unexpectedException(); |
569 |
– |
} |
570 |
– |
|
571 |
– |
joinPool(p); |
572 |
– |
} |
573 |
– |
|
574 |
– |
/** |
575 |
– |
* invoke(Executor, Callable) will throw ExecutionException |
576 |
– |
* if callable throws exception |
577 |
– |
*/ |
578 |
– |
public void testInvoke6() { |
579 |
– |
ThreadPoolExecutor p = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10)); |
580 |
– |
|
581 |
– |
try { |
582 |
– |
Callable c = new Callable() { |
583 |
– |
public Object call() { |
584 |
– |
int i = 5/0; |
585 |
– |
return Boolean.TRUE; |
586 |
– |
} |
587 |
– |
}; |
588 |
– |
|
589 |
– |
for(int i =0; i < 5; i++){ |
590 |
– |
Executors.invoke(p,c); |
591 |
– |
} |
592 |
– |
|
593 |
– |
shouldThrow(); |
594 |
– |
} |
595 |
– |
catch(ExecutionException success){ |
596 |
– |
} catch(Exception e) { |
597 |
– |
unexpectedException(); |
598 |
– |
} |
599 |
– |
joinPool(p); |
600 |
– |
} |
601 |
– |
|
602 |
– |
|
178 |
|
|
179 |
|
/** |
180 |
|
* timeouts from execute will time out if they compute too long. |