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 |
*/ |
6 |
import junit.framework.*; |
7 |
import java.util.concurrent.*; |
8 |
import java.util.*; |
9 |
|
10 |
|
11 |
public class RecursiveActionTest extends JSR166TestCase { |
12 |
|
13 |
public static void main(String[] args) { |
14 |
junit.textui.TestRunner.run (suite()); |
15 |
} |
16 |
public static Test suite() { |
17 |
return new TestSuite(RecursiveActionTest.class); |
18 |
} |
19 |
|
20 |
static final ForkJoinPool mainPool = new ForkJoinPool(); |
21 |
static final ForkJoinPool singletonPool = new ForkJoinPool(1); |
22 |
static final ForkJoinPool asyncSingletonPool = new ForkJoinPool(1); |
23 |
static { |
24 |
asyncSingletonPool.setAsyncMode(true); |
25 |
} |
26 |
|
27 |
static final class FJException extends RuntimeException { |
28 |
FJException() { super(); } |
29 |
} |
30 |
|
31 |
// A simple recursive action for testing |
32 |
static final class FibAction extends RecursiveAction { |
33 |
final int number; |
34 |
int result; |
35 |
FibAction(int n) { number = n; } |
36 |
public void compute() { |
37 |
int n = number; |
38 |
if (n <= 1) |
39 |
result = n; |
40 |
else { |
41 |
FibAction f1 = new FibAction(n - 1); |
42 |
FibAction f2 = new FibAction(n - 2); |
43 |
invokeAll(f1, f2); |
44 |
result = f1.result + f2.result; |
45 |
} |
46 |
} |
47 |
} |
48 |
|
49 |
// A recursive action failing in base case |
50 |
static final class FailingFibAction extends RecursiveAction { |
51 |
final int number; |
52 |
int result; |
53 |
FailingFibAction(int n) { number = n; } |
54 |
public void compute() { |
55 |
int n = number; |
56 |
if (n <= 1) |
57 |
throw new FJException(); |
58 |
else { |
59 |
FailingFibAction f1 = new FailingFibAction(n - 1); |
60 |
FailingFibAction f2 = new FailingFibAction(n - 2); |
61 |
invokeAll(f1, f2); |
62 |
result = f1.result + f2.result; |
63 |
} |
64 |
} |
65 |
} |
66 |
|
67 |
/** |
68 |
* invoke returns when task completes normally. |
69 |
* isCompletedAbnormally and isCancelled return false for normally |
70 |
* completed tasks. getRawResult of a RecursiveAction returns null; |
71 |
* |
72 |
*/ |
73 |
public void testInvoke() { |
74 |
RecursiveAction a = new RecursiveAction() { |
75 |
public void compute() { |
76 |
FibAction f = new FibAction(8); |
77 |
f.invoke(); |
78 |
threadAssertTrue(f.result == 21); |
79 |
threadAssertTrue(f.isDone()); |
80 |
threadAssertFalse(f.isCancelled()); |
81 |
threadAssertFalse(f.isCompletedAbnormally()); |
82 |
threadAssertTrue(f.getRawResult() == null); |
83 |
} |
84 |
}; |
85 |
mainPool.invoke(a); |
86 |
} |
87 |
|
88 |
/** |
89 |
* quietlyInvoke task returns when task completes normally. |
90 |
* isCompletedAbnormally and isCancelled return false for normally |
91 |
* completed tasks |
92 |
*/ |
93 |
public void testQuietlyInvoke() { |
94 |
RecursiveAction a = new RecursiveAction() { |
95 |
public void compute() { |
96 |
FibAction f = new FibAction(8); |
97 |
f.quietlyInvoke(); |
98 |
threadAssertTrue(f.result == 21); |
99 |
threadAssertTrue(f.isDone()); |
100 |
threadAssertFalse(f.isCancelled()); |
101 |
threadAssertFalse(f.isCompletedAbnormally()); |
102 |
threadAssertTrue(f.getRawResult() == null); |
103 |
} |
104 |
}; |
105 |
mainPool.invoke(a); |
106 |
} |
107 |
|
108 |
/** |
109 |
* join of a forked task returns when task completes |
110 |
*/ |
111 |
public void testForkJoin() { |
112 |
RecursiveAction a = new RecursiveAction() { |
113 |
public void compute() { |
114 |
FibAction f = new FibAction(8); |
115 |
f.fork(); |
116 |
f.join(); |
117 |
threadAssertTrue(f.result == 21); |
118 |
threadAssertTrue(f.isDone()); |
119 |
threadAssertTrue(f.getRawResult() == null); |
120 |
} |
121 |
}; |
122 |
mainPool.invoke(a); |
123 |
} |
124 |
|
125 |
/** |
126 |
* get of a forked task returns when task completes |
127 |
*/ |
128 |
public void testForkGet() { |
129 |
RecursiveAction a = new RecursiveAction() { |
130 |
public void compute() { |
131 |
try { |
132 |
FibAction f = new FibAction(8); |
133 |
f.fork(); |
134 |
f.get(); |
135 |
threadAssertTrue(f.result == 21); |
136 |
threadAssertTrue(f.isDone()); |
137 |
} catch (Exception ex) { |
138 |
unexpectedException(); |
139 |
} |
140 |
} |
141 |
}; |
142 |
mainPool.invoke(a); |
143 |
} |
144 |
|
145 |
/** |
146 |
* timed get of a forked task returns when task completes |
147 |
*/ |
148 |
public void testForkTimedGet() { |
149 |
RecursiveAction a = new RecursiveAction() { |
150 |
public void compute() { |
151 |
try { |
152 |
FibAction f = new FibAction(8); |
153 |
f.fork(); |
154 |
f.get(5L, TimeUnit.SECONDS); |
155 |
threadAssertTrue(f.result == 21); |
156 |
threadAssertTrue(f.isDone()); |
157 |
} catch (Exception ex) { |
158 |
unexpectedException(); |
159 |
} |
160 |
} |
161 |
}; |
162 |
mainPool.invoke(a); |
163 |
} |
164 |
|
165 |
/** |
166 |
* timed get with null time unit throws NPE |
167 |
*/ |
168 |
public void testForkTimedGetNPE() { |
169 |
RecursiveAction a = new RecursiveAction() { |
170 |
public void compute() { |
171 |
try { |
172 |
FibAction f = new FibAction(8); |
173 |
f.fork(); |
174 |
f.get(5L, null); |
175 |
shouldThrow(); |
176 |
} catch (NullPointerException success) { |
177 |
} catch (Exception ex) { |
178 |
unexpectedException(); |
179 |
} |
180 |
} |
181 |
}; |
182 |
mainPool.invoke(a); |
183 |
} |
184 |
|
185 |
/** |
186 |
* helpJoin of a forked task returns when task completes |
187 |
*/ |
188 |
public void testForkHelpJoin() { |
189 |
RecursiveAction a = new RecursiveAction() { |
190 |
public void compute() { |
191 |
FibAction f = new FibAction(8); |
192 |
f.fork(); |
193 |
f.helpJoin(); |
194 |
threadAssertTrue(f.result == 21); |
195 |
threadAssertTrue(f.isDone()); |
196 |
} |
197 |
}; |
198 |
mainPool.invoke(a); |
199 |
} |
200 |
|
201 |
/** |
202 |
* quietlyJoin of a forked task returns when task completes |
203 |
*/ |
204 |
public void testForkQuietlyJoin() { |
205 |
RecursiveAction a = new RecursiveAction() { |
206 |
public void compute() { |
207 |
FibAction f = new FibAction(8); |
208 |
f.fork(); |
209 |
f.quietlyJoin(); |
210 |
threadAssertTrue(f.result == 21); |
211 |
threadAssertTrue(f.isDone()); |
212 |
} |
213 |
}; |
214 |
mainPool.invoke(a); |
215 |
} |
216 |
|
217 |
|
218 |
/** |
219 |
* quietlyHelpJoin of a forked task returns when task completes |
220 |
*/ |
221 |
public void testForkQuietlyHelpJoin() { |
222 |
RecursiveAction a = new RecursiveAction() { |
223 |
public void compute() { |
224 |
FibAction f = new FibAction(8); |
225 |
f.fork(); |
226 |
f.quietlyHelpJoin(); |
227 |
threadAssertTrue(f.result == 21); |
228 |
threadAssertTrue(f.isDone()); |
229 |
} |
230 |
}; |
231 |
mainPool.invoke(a); |
232 |
} |
233 |
|
234 |
|
235 |
/** |
236 |
* helpQuiesce returns when tasks are complete. |
237 |
* getQueuedTaskCount returns 0 when quiescent |
238 |
*/ |
239 |
public void testForkHelpQuiesce() { |
240 |
RecursiveAction a = new RecursiveAction() { |
241 |
public void compute() { |
242 |
FibAction f = new FibAction(8); |
243 |
f.fork(); |
244 |
f.helpQuiesce(); |
245 |
threadAssertTrue(f.result == 21); |
246 |
threadAssertTrue(f.isDone()); |
247 |
threadAssertTrue(getQueuedTaskCount() == 0); |
248 |
} |
249 |
}; |
250 |
mainPool.invoke(a); |
251 |
} |
252 |
|
253 |
|
254 |
/** |
255 |
* invoke task throws exception when task completes abnormally |
256 |
*/ |
257 |
public void testAbnormalInvoke() { |
258 |
RecursiveAction a = new RecursiveAction() { |
259 |
public void compute() { |
260 |
try { |
261 |
FailingFibAction f = new FailingFibAction(8); |
262 |
f.invoke(); |
263 |
shouldThrow(); |
264 |
} catch (FJException success) { |
265 |
} |
266 |
} |
267 |
}; |
268 |
mainPool.invoke(a); |
269 |
} |
270 |
|
271 |
/** |
272 |
* quietlyInvoke task returns when task completes abnormally |
273 |
*/ |
274 |
public void testAbnormalQuietlyInvoke() { |
275 |
RecursiveAction a = new RecursiveAction() { |
276 |
public void compute() { |
277 |
FailingFibAction f = new FailingFibAction(8); |
278 |
f.quietlyInvoke(); |
279 |
threadAssertTrue(f.isDone()); |
280 |
} |
281 |
}; |
282 |
mainPool.invoke(a); |
283 |
} |
284 |
|
285 |
/** |
286 |
* join of a forked task throws exception when task completes abnormally |
287 |
*/ |
288 |
public void testAbnormalForkJoin() { |
289 |
RecursiveAction a = new RecursiveAction() { |
290 |
public void compute() { |
291 |
try { |
292 |
FailingFibAction f = new FailingFibAction(8); |
293 |
f.fork(); |
294 |
f.join(); |
295 |
shouldThrow(); |
296 |
} catch (FJException success) { |
297 |
} |
298 |
} |
299 |
}; |
300 |
mainPool.invoke(a); |
301 |
} |
302 |
|
303 |
/** |
304 |
* get of a forked task throws exception when task completes abnormally |
305 |
*/ |
306 |
public void testAbnormalForkGet() { |
307 |
RecursiveAction a = new RecursiveAction() { |
308 |
public void compute() { |
309 |
try { |
310 |
FailingFibAction f = new FailingFibAction(8); |
311 |
f.fork(); |
312 |
f.get(); |
313 |
shouldThrow(); |
314 |
} catch (ExecutionException success) { |
315 |
} catch (Exception ex) { |
316 |
unexpectedException(ex); |
317 |
} |
318 |
} |
319 |
}; |
320 |
mainPool.invoke(a); |
321 |
} |
322 |
|
323 |
/** |
324 |
* timed get of a forked task throws exception when task completes abnormally |
325 |
*/ |
326 |
public void testAbnormalForkTimedGet() { |
327 |
RecursiveAction a = new RecursiveAction() { |
328 |
public void compute() { |
329 |
try { |
330 |
FailingFibAction f = new FailingFibAction(8); |
331 |
f.fork(); |
332 |
f.get(5L, TimeUnit.SECONDS); |
333 |
shouldThrow(); |
334 |
} catch (ExecutionException success) { |
335 |
} catch (Exception ex) { |
336 |
unexpectedException(ex); |
337 |
} |
338 |
} |
339 |
}; |
340 |
mainPool.invoke(a); |
341 |
} |
342 |
|
343 |
/** |
344 |
* join of a forked task throws exception when task completes abnormally |
345 |
*/ |
346 |
public void testAbnormalForkHelpJoin() { |
347 |
RecursiveAction a = new RecursiveAction() { |
348 |
public void compute() { |
349 |
try { |
350 |
FailingFibAction f = new FailingFibAction(8); |
351 |
f.fork(); |
352 |
f.helpJoin(); |
353 |
shouldThrow(); |
354 |
} catch (FJException success) { |
355 |
} |
356 |
} |
357 |
}; |
358 |
mainPool.invoke(a); |
359 |
} |
360 |
|
361 |
/** |
362 |
* quietlyHelpJoin of a forked task returns when task completes abnormally. |
363 |
* getException of failed task returns its exception. |
364 |
* isCompletedAbnormally of a failed task returns true. |
365 |
* isCancelled of a failed uncancelled task returns false |
366 |
*/ |
367 |
public void testAbnormalForkQuietlyHelpJoin() { |
368 |
RecursiveAction a = new RecursiveAction() { |
369 |
public void compute() { |
370 |
FailingFibAction f = new FailingFibAction(8); |
371 |
f.fork(); |
372 |
f.quietlyHelpJoin(); |
373 |
threadAssertTrue(f.isDone()); |
374 |
threadAssertTrue(f.isCompletedAbnormally()); |
375 |
threadAssertFalse(f.isCancelled()); |
376 |
threadAssertTrue(f.getException() instanceof FJException); |
377 |
} |
378 |
}; |
379 |
mainPool.invoke(a); |
380 |
} |
381 |
|
382 |
/** |
383 |
* quietlyJoin of a forked task returns when task completes abnormally |
384 |
*/ |
385 |
public void testAbnormalForkQuietlyJoin() { |
386 |
RecursiveAction a = new RecursiveAction() { |
387 |
public void compute() { |
388 |
FailingFibAction f = new FailingFibAction(8); |
389 |
f.fork(); |
390 |
f.quietlyJoin(); |
391 |
threadAssertTrue(f.isDone()); |
392 |
threadAssertTrue(f.isCompletedAbnormally()); |
393 |
threadAssertTrue(f.getException() instanceof FJException); |
394 |
} |
395 |
}; |
396 |
mainPool.invoke(a); |
397 |
} |
398 |
|
399 |
/** |
400 |
* invoke task throws exception when task cancelled |
401 |
*/ |
402 |
public void testCancelledInvoke() { |
403 |
RecursiveAction a = new RecursiveAction() { |
404 |
public void compute() { |
405 |
try { |
406 |
FibAction f = new FibAction(8); |
407 |
f.cancel(true); |
408 |
f.invoke(); |
409 |
shouldThrow(); |
410 |
} catch (CancellationException success) { |
411 |
} |
412 |
} |
413 |
}; |
414 |
mainPool.invoke(a); |
415 |
} |
416 |
|
417 |
/** |
418 |
* join of a forked task throws exception when task cancelled |
419 |
*/ |
420 |
public void testCancelledForkJoin() { |
421 |
RecursiveAction a = new RecursiveAction() { |
422 |
public void compute() { |
423 |
try { |
424 |
FibAction f = new FibAction(8); |
425 |
f.cancel(true); |
426 |
f.fork(); |
427 |
f.join(); |
428 |
shouldThrow(); |
429 |
} catch (CancellationException success) { |
430 |
} |
431 |
} |
432 |
}; |
433 |
mainPool.invoke(a); |
434 |
} |
435 |
|
436 |
/** |
437 |
* get of a forked task throws exception when task cancelled |
438 |
*/ |
439 |
public void testCancelledForkGet() { |
440 |
RecursiveAction a = new RecursiveAction() { |
441 |
public void compute() { |
442 |
try { |
443 |
FibAction f = new FibAction(8); |
444 |
f.cancel(true); |
445 |
f.fork(); |
446 |
f.get(); |
447 |
shouldThrow(); |
448 |
} catch (CancellationException success) { |
449 |
} catch (Exception ex) { |
450 |
unexpectedException(ex); |
451 |
} |
452 |
} |
453 |
}; |
454 |
mainPool.invoke(a); |
455 |
} |
456 |
|
457 |
/** |
458 |
* timed get of a forked task throws exception when task cancelled |
459 |
*/ |
460 |
public void testCancelledForkTimedGet() { |
461 |
RecursiveAction a = new RecursiveAction() { |
462 |
public void compute() { |
463 |
try { |
464 |
FibAction f = new FibAction(8); |
465 |
f.cancel(true); |
466 |
f.fork(); |
467 |
f.get(5L, TimeUnit.SECONDS); |
468 |
shouldThrow(); |
469 |
} catch (CancellationException success) { |
470 |
} catch (Exception ex) { |
471 |
unexpectedException(ex); |
472 |
} |
473 |
} |
474 |
}; |
475 |
mainPool.invoke(a); |
476 |
} |
477 |
|
478 |
/** |
479 |
* join of a forked task throws exception when task cancelled |
480 |
*/ |
481 |
public void testCancelledForkHelpJoin() { |
482 |
RecursiveAction a = new RecursiveAction() { |
483 |
public void compute() { |
484 |
try { |
485 |
FibAction f = new FibAction(8); |
486 |
f.cancel(true); |
487 |
f.fork(); |
488 |
f.helpJoin(); |
489 |
shouldThrow(); |
490 |
} catch (CancellationException success) { |
491 |
} |
492 |
} |
493 |
}; |
494 |
mainPool.invoke(a); |
495 |
} |
496 |
|
497 |
/** |
498 |
* quietlyHelpJoin of a forked task returns when task cancelled. |
499 |
* getException of cancelled task returns its exception. |
500 |
* isCompletedAbnormally of a cancelled task returns true. |
501 |
* isCancelled of a cancelled task returns true |
502 |
*/ |
503 |
public void testCancelledForkQuietlyHelpJoin() { |
504 |
RecursiveAction a = new RecursiveAction() { |
505 |
public void compute() { |
506 |
FibAction f = new FibAction(8); |
507 |
f.cancel(true); |
508 |
f.fork(); |
509 |
f.quietlyHelpJoin(); |
510 |
threadAssertTrue(f.isDone()); |
511 |
threadAssertTrue(f.isCompletedAbnormally()); |
512 |
threadAssertTrue(f.isCancelled()); |
513 |
threadAssertTrue(f.getException() instanceof CancellationException); |
514 |
} |
515 |
}; |
516 |
mainPool.invoke(a); |
517 |
} |
518 |
|
519 |
/** |
520 |
* quietlyJoin of a forked task returns when task cancelled |
521 |
*/ |
522 |
public void testCancelledForkQuietlyJoin() { |
523 |
RecursiveAction a = new RecursiveAction() { |
524 |
public void compute() { |
525 |
FibAction f = new FibAction(8); |
526 |
f.cancel(true); |
527 |
f.fork(); |
528 |
f.quietlyJoin(); |
529 |
threadAssertTrue(f.isDone()); |
530 |
threadAssertTrue(f.isCompletedAbnormally()); |
531 |
threadAssertTrue(f.getException() instanceof CancellationException); |
532 |
} |
533 |
}; |
534 |
mainPool.invoke(a); |
535 |
} |
536 |
|
537 |
/** |
538 |
* getPool of executing task returns its pool |
539 |
*/ |
540 |
public void testGetPool() { |
541 |
RecursiveAction a = new RecursiveAction() { |
542 |
public void compute() { |
543 |
threadAssertTrue(getPool() == mainPool); |
544 |
} |
545 |
}; |
546 |
mainPool.invoke(a); |
547 |
} |
548 |
|
549 |
/** |
550 |
* getPool of non-FJ task returns null |
551 |
*/ |
552 |
public void testGetPool2() { |
553 |
RecursiveAction a = new RecursiveAction() { |
554 |
public void compute() { |
555 |
threadAssertTrue(getPool() == null); |
556 |
} |
557 |
}; |
558 |
a.invoke(); |
559 |
} |
560 |
|
561 |
/** |
562 |
* inForkJoinPool of executing task returns true |
563 |
*/ |
564 |
public void testInForkJoinPool() { |
565 |
RecursiveAction a = new RecursiveAction() { |
566 |
public void compute() { |
567 |
threadAssertTrue(inForkJoinPool()); |
568 |
} |
569 |
}; |
570 |
mainPool.invoke(a); |
571 |
} |
572 |
|
573 |
/** |
574 |
* inForkJoinPool of non-FJ task returns false |
575 |
*/ |
576 |
public void testInForkJoinPool2() { |
577 |
RecursiveAction a = new RecursiveAction() { |
578 |
public void compute() { |
579 |
threadAssertTrue(!inForkJoinPool()); |
580 |
} |
581 |
}; |
582 |
a.invoke(); |
583 |
} |
584 |
|
585 |
/** |
586 |
* getPool of current thread in pool returns its pool |
587 |
*/ |
588 |
public void testWorkerGetPool() { |
589 |
RecursiveAction a = new RecursiveAction() { |
590 |
public void compute() { |
591 |
ForkJoinWorkerThread w = |
592 |
(ForkJoinWorkerThread)(Thread.currentThread()); |
593 |
threadAssertTrue(w.getPool() == mainPool); |
594 |
} |
595 |
}; |
596 |
mainPool.invoke(a); |
597 |
} |
598 |
|
599 |
/** |
600 |
* getPoolIndex of current thread in pool returns 0 <= value < poolSize |
601 |
* |
602 |
*/ |
603 |
public void testWorkerGetPoolIndex() { |
604 |
RecursiveAction a = new RecursiveAction() { |
605 |
public void compute() { |
606 |
ForkJoinWorkerThread w = |
607 |
(ForkJoinWorkerThread)(Thread.currentThread()); |
608 |
int idx = w.getPoolIndex(); |
609 |
threadAssertTrue(idx >= 0); |
610 |
threadAssertTrue(idx < mainPool.getPoolSize()); |
611 |
} |
612 |
}; |
613 |
mainPool.invoke(a); |
614 |
} |
615 |
|
616 |
|
617 |
/** |
618 |
* setRawResult(null) succeeds |
619 |
*/ |
620 |
public void testSetRawResult() { |
621 |
RecursiveAction a = new RecursiveAction() { |
622 |
public void compute() { |
623 |
setRawResult(null); |
624 |
} |
625 |
}; |
626 |
a.invoke(); |
627 |
} |
628 |
|
629 |
/** |
630 |
* A reinitialized task may be re-invoked |
631 |
*/ |
632 |
public void testReinitialize() { |
633 |
RecursiveAction a = new RecursiveAction() { |
634 |
public void compute() { |
635 |
FibAction f = new FibAction(8); |
636 |
f.invoke(); |
637 |
threadAssertTrue(f.result == 21); |
638 |
threadAssertTrue(f.isDone()); |
639 |
threadAssertFalse(f.isCancelled()); |
640 |
threadAssertFalse(f.isCompletedAbnormally()); |
641 |
f.reinitialize(); |
642 |
f.invoke(); |
643 |
threadAssertTrue(f.result == 21); |
644 |
} |
645 |
}; |
646 |
mainPool.invoke(a); |
647 |
} |
648 |
|
649 |
/** |
650 |
* invoke task throws exception after invoking completeExceptionally |
651 |
*/ |
652 |
public void testCompleteExceptionally() { |
653 |
RecursiveAction a = new RecursiveAction() { |
654 |
public void compute() { |
655 |
try { |
656 |
FibAction f = new FibAction(8); |
657 |
f.completeExceptionally(new FJException()); |
658 |
f.invoke(); |
659 |
shouldThrow(); |
660 |
} catch (FJException success) { |
661 |
} |
662 |
} |
663 |
}; |
664 |
mainPool.invoke(a); |
665 |
} |
666 |
|
667 |
/** |
668 |
* invoke task suppresses execution invoking complete |
669 |
*/ |
670 |
public void testComplete() { |
671 |
RecursiveAction a = new RecursiveAction() { |
672 |
public void compute() { |
673 |
FibAction f = new FibAction(8); |
674 |
f.complete(null); |
675 |
f.invoke(); |
676 |
threadAssertTrue(f.isDone()); |
677 |
threadAssertTrue(f.result == 0); |
678 |
} |
679 |
}; |
680 |
mainPool.invoke(a); |
681 |
} |
682 |
|
683 |
/** |
684 |
* invokeAll(t1, t2) invokes all task arguments |
685 |
*/ |
686 |
public void testInvokeAll2() { |
687 |
RecursiveAction a = new RecursiveAction() { |
688 |
public void compute() { |
689 |
FibAction f = new FibAction(8); |
690 |
FibAction g = new FibAction(9); |
691 |
invokeAll(f, g); |
692 |
threadAssertTrue(f.isDone()); |
693 |
threadAssertTrue(f.result == 21); |
694 |
threadAssertTrue(g.isDone()); |
695 |
threadAssertTrue(g.result == 34); |
696 |
} |
697 |
}; |
698 |
mainPool.invoke(a); |
699 |
} |
700 |
|
701 |
/** |
702 |
* invokeAll(tasks) with 1 argument invokes task |
703 |
*/ |
704 |
public void testInvokeAll1() { |
705 |
RecursiveAction a = new RecursiveAction() { |
706 |
public void compute() { |
707 |
FibAction f = new FibAction(8); |
708 |
invokeAll(f); |
709 |
threadAssertTrue(f.isDone()); |
710 |
threadAssertTrue(f.result == 21); |
711 |
} |
712 |
}; |
713 |
mainPool.invoke(a); |
714 |
} |
715 |
|
716 |
/** |
717 |
* invokeAll(tasks) with > 2 argument invokes tasks |
718 |
*/ |
719 |
public void testInvokeAll3() { |
720 |
RecursiveAction a = new RecursiveAction() { |
721 |
public void compute() { |
722 |
FibAction f = new FibAction(8); |
723 |
FibAction g = new FibAction(9); |
724 |
FibAction h = new FibAction(7); |
725 |
invokeAll(f, g, h); |
726 |
threadAssertTrue(f.isDone()); |
727 |
threadAssertTrue(f.result == 21); |
728 |
threadAssertTrue(g.isDone()); |
729 |
threadAssertTrue(g.result == 34); |
730 |
threadAssertTrue(h.isDone()); |
731 |
threadAssertTrue(h.result == 13); |
732 |
} |
733 |
}; |
734 |
mainPool.invoke(a); |
735 |
} |
736 |
|
737 |
/** |
738 |
* invokeAll(collection) invokes all tasks in the collection |
739 |
*/ |
740 |
public void testInvokeAllCollection() { |
741 |
RecursiveAction a = new RecursiveAction() { |
742 |
public void compute() { |
743 |
FibAction f = new FibAction(8); |
744 |
FibAction g = new FibAction(9); |
745 |
FibAction h = new FibAction(7); |
746 |
HashSet set = new HashSet(); |
747 |
set.add(f); |
748 |
set.add(g); |
749 |
set.add(h); |
750 |
invokeAll(set); |
751 |
threadAssertTrue(f.isDone()); |
752 |
threadAssertTrue(f.result == 21); |
753 |
threadAssertTrue(g.isDone()); |
754 |
threadAssertTrue(g.result == 34); |
755 |
threadAssertTrue(h.isDone()); |
756 |
threadAssertTrue(h.result == 13); |
757 |
} |
758 |
}; |
759 |
mainPool.invoke(a); |
760 |
} |
761 |
|
762 |
|
763 |
/** |
764 |
* invokeAll(tasks) with any null task throws NPE |
765 |
*/ |
766 |
public void testInvokeAllNPE() { |
767 |
RecursiveAction a = new RecursiveAction() { |
768 |
public void compute() { |
769 |
try { |
770 |
FibAction f = new FibAction(8); |
771 |
FibAction g = new FibAction(9); |
772 |
FibAction h = null; |
773 |
invokeAll(f, g, h); |
774 |
shouldThrow(); |
775 |
} catch (NullPointerException success) { |
776 |
} |
777 |
} |
778 |
}; |
779 |
mainPool.invoke(a); |
780 |
} |
781 |
|
782 |
/** |
783 |
* invokeAll(t1, t2) throw exception if any task does |
784 |
*/ |
785 |
public void testAbnormalInvokeAll2() { |
786 |
RecursiveAction a = new RecursiveAction() { |
787 |
public void compute() { |
788 |
try { |
789 |
FibAction f = new FibAction(8); |
790 |
FailingFibAction g = new FailingFibAction(9); |
791 |
invokeAll(f, g); |
792 |
shouldThrow(); |
793 |
} catch (FJException success) { |
794 |
} |
795 |
} |
796 |
}; |
797 |
mainPool.invoke(a); |
798 |
} |
799 |
|
800 |
/** |
801 |
* invokeAll(tasks) with 1 argument throws exception if task does |
802 |
*/ |
803 |
public void testAbnormalInvokeAll1() { |
804 |
RecursiveAction a = new RecursiveAction() { |
805 |
public void compute() { |
806 |
try { |
807 |
FailingFibAction g = new FailingFibAction(9); |
808 |
invokeAll(g); |
809 |
shouldThrow(); |
810 |
} catch (FJException success) { |
811 |
} |
812 |
} |
813 |
}; |
814 |
mainPool.invoke(a); |
815 |
} |
816 |
|
817 |
/** |
818 |
* invokeAll(tasks) with > 2 argument throws exception if any task does |
819 |
*/ |
820 |
public void testAbnormalInvokeAll3() { |
821 |
RecursiveAction a = new RecursiveAction() { |
822 |
public void compute() { |
823 |
try { |
824 |
FibAction f = new FibAction(8); |
825 |
FailingFibAction g = new FailingFibAction(9); |
826 |
FibAction h = new FibAction(7); |
827 |
invokeAll(f, g, h); |
828 |
shouldThrow(); |
829 |
} catch (FJException success) { |
830 |
} |
831 |
} |
832 |
}; |
833 |
mainPool.invoke(a); |
834 |
} |
835 |
|
836 |
/** |
837 |
* invokeAll(collection) throws exception if any task does |
838 |
*/ |
839 |
public void testAbnormalInvokeAllCollection() { |
840 |
RecursiveAction a = new RecursiveAction() { |
841 |
public void compute() { |
842 |
try { |
843 |
FailingFibAction f = new FailingFibAction(8); |
844 |
FibAction g = new FibAction(9); |
845 |
FibAction h = new FibAction(7); |
846 |
HashSet set = new HashSet(); |
847 |
set.add(f); |
848 |
set.add(g); |
849 |
set.add(h); |
850 |
invokeAll(set); |
851 |
shouldThrow(); |
852 |
} catch (FJException success) { |
853 |
} |
854 |
} |
855 |
}; |
856 |
mainPool.invoke(a); |
857 |
} |
858 |
|
859 |
/** |
860 |
* tryUnfork returns true for most recent unexecuted task, |
861 |
* and suppresses execution |
862 |
*/ |
863 |
public void testTryUnfork() { |
864 |
RecursiveAction a = new RecursiveAction() { |
865 |
public void compute() { |
866 |
FibAction g = new FibAction(9); |
867 |
g.fork(); |
868 |
FibAction f = new FibAction(8); |
869 |
f.fork(); |
870 |
threadAssertTrue(f.tryUnfork()); |
871 |
helpQuiesce(); |
872 |
threadAssertFalse(f.isDone()); |
873 |
threadAssertTrue(g.isDone()); |
874 |
} |
875 |
}; |
876 |
singletonPool.invoke(a); |
877 |
} |
878 |
|
879 |
/** |
880 |
* getSurplusQueuedTaskCount returns > 0 when |
881 |
* there are more tasks than threads |
882 |
*/ |
883 |
public void testGetSurplusQueuedTaskCount() { |
884 |
RecursiveAction a = new RecursiveAction() { |
885 |
public void compute() { |
886 |
FibAction h = new FibAction(7); |
887 |
h.fork(); |
888 |
FibAction g = new FibAction(9); |
889 |
g.fork(); |
890 |
FibAction f = new FibAction(8); |
891 |
f.fork(); |
892 |
threadAssertTrue(getSurplusQueuedTaskCount() > 0); |
893 |
helpQuiesce(); |
894 |
} |
895 |
}; |
896 |
singletonPool.invoke(a); |
897 |
} |
898 |
|
899 |
/** |
900 |
* peekNextLocalTask returns most recent unexecuted task. |
901 |
*/ |
902 |
public void testPeekNextLocalTask() { |
903 |
RecursiveAction a = new RecursiveAction() { |
904 |
public void compute() { |
905 |
FibAction g = new FibAction(9); |
906 |
g.fork(); |
907 |
FibAction f = new FibAction(8); |
908 |
f.fork(); |
909 |
threadAssertTrue(peekNextLocalTask() == f); |
910 |
f.join(); |
911 |
threadAssertTrue(f.isDone()); |
912 |
helpQuiesce(); |
913 |
} |
914 |
}; |
915 |
singletonPool.invoke(a); |
916 |
} |
917 |
|
918 |
/** |
919 |
* pollNextLocalTask returns most recent unexecuted task |
920 |
* without executing it |
921 |
*/ |
922 |
public void testPollNextLocalTask() { |
923 |
RecursiveAction a = new RecursiveAction() { |
924 |
public void compute() { |
925 |
FibAction g = new FibAction(9); |
926 |
g.fork(); |
927 |
FibAction f = new FibAction(8); |
928 |
f.fork(); |
929 |
threadAssertTrue(pollNextLocalTask() == f); |
930 |
helpQuiesce(); |
931 |
threadAssertFalse(f.isDone()); |
932 |
} |
933 |
}; |
934 |
singletonPool.invoke(a); |
935 |
} |
936 |
|
937 |
/** |
938 |
* pollTask returns an unexecuted task |
939 |
* without executing it |
940 |
*/ |
941 |
public void testPollTask() { |
942 |
RecursiveAction a = new RecursiveAction() { |
943 |
public void compute() { |
944 |
FibAction g = new FibAction(9); |
945 |
g.fork(); |
946 |
FibAction f = new FibAction(8); |
947 |
f.fork(); |
948 |
threadAssertTrue(pollTask() == f); |
949 |
helpQuiesce(); |
950 |
threadAssertFalse(f.isDone()); |
951 |
threadAssertTrue(g.isDone()); |
952 |
} |
953 |
}; |
954 |
singletonPool.invoke(a); |
955 |
} |
956 |
|
957 |
/** |
958 |
* peekNextLocalTask returns least recent unexecuted task in async mode |
959 |
*/ |
960 |
public void testPeekNextLocalTaskAsync() { |
961 |
RecursiveAction a = new RecursiveAction() { |
962 |
public void compute() { |
963 |
FibAction g = new FibAction(9); |
964 |
g.fork(); |
965 |
FibAction f = new FibAction(8); |
966 |
f.fork(); |
967 |
threadAssertTrue(peekNextLocalTask() == g); |
968 |
f.join(); |
969 |
helpQuiesce(); |
970 |
threadAssertTrue(f.isDone()); |
971 |
} |
972 |
}; |
973 |
asyncSingletonPool.invoke(a); |
974 |
} |
975 |
|
976 |
/** |
977 |
* pollNextLocalTask returns least recent unexecuted task |
978 |
* without executing it, in async mode |
979 |
*/ |
980 |
public void testPollNextLocalTaskAsync() { |
981 |
RecursiveAction a = new RecursiveAction() { |
982 |
public void compute() { |
983 |
FibAction g = new FibAction(9); |
984 |
g.fork(); |
985 |
FibAction f = new FibAction(8); |
986 |
f.fork(); |
987 |
threadAssertTrue(pollNextLocalTask() == g); |
988 |
helpQuiesce(); |
989 |
threadAssertTrue(f.isDone()); |
990 |
threadAssertFalse(g.isDone()); |
991 |
} |
992 |
}; |
993 |
asyncSingletonPool.invoke(a); |
994 |
} |
995 |
|
996 |
/** |
997 |
* pollTask returns an unexecuted task |
998 |
* without executing it, in async mode |
999 |
*/ |
1000 |
public void testPollTaskAsync() { |
1001 |
RecursiveAction a = new RecursiveAction() { |
1002 |
public void compute() { |
1003 |
FibAction g = new FibAction(9); |
1004 |
g.fork(); |
1005 |
FibAction f = new FibAction(8); |
1006 |
f.fork(); |
1007 |
threadAssertTrue(pollTask() == g); |
1008 |
helpQuiesce(); |
1009 |
threadAssertTrue(f.isDone()); |
1010 |
threadAssertFalse(g.isDone()); |
1011 |
} |
1012 |
}; |
1013 |
asyncSingletonPool.invoke(a); |
1014 |
} |
1015 |
|
1016 |
} |