5 |
|
* http://creativecommons.org/publicdomain/zero/1.0/ |
6 |
|
*/ |
7 |
|
|
8 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
9 |
< |
import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
< |
|
8 |
> |
import java.util.concurrent.CompletableFuture; |
9 |
|
import java.util.concurrent.Executor; |
10 |
|
import java.util.concurrent.Executors; |
11 |
|
import java.util.concurrent.Flow; |
14 |
– |
import static java.util.concurrent.Flow.Publisher; |
15 |
– |
import static java.util.concurrent.Flow.Subscriber; |
16 |
– |
import static java.util.concurrent.Flow.Subscription; |
17 |
– |
import java.util.concurrent.LinkedBlockingQueue; |
12 |
|
import java.util.concurrent.ForkJoinPool; |
13 |
|
import java.util.concurrent.SubmissionPublisher; |
20 |
– |
import java.util.concurrent.ThreadFactory; |
21 |
– |
import java.util.concurrent.ThreadPoolExecutor; |
22 |
– |
import java.util.concurrent.TimeUnit; |
14 |
|
import java.util.concurrent.atomic.AtomicInteger; |
24 |
– |
import java.util.function.BiConsumer; |
25 |
– |
import java.util.function.BiPredicate; |
26 |
– |
import java.util.function.BiFunction; |
27 |
– |
|
15 |
|
import junit.framework.Test; |
16 |
|
import junit.framework.TestSuite; |
17 |
|
|
18 |
+ |
import static java.util.concurrent.Flow.Subscriber; |
19 |
+ |
import static java.util.concurrent.Flow.Subscription; |
20 |
+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
21 |
+ |
|
22 |
|
public class SubmissionPublisherTest extends JSR166TestCase { |
23 |
|
|
24 |
|
public static void main(String[] args) { |
28 |
|
return new TestSuite(SubmissionPublisherTest.class); |
29 |
|
} |
30 |
|
|
31 |
< |
// Factory for single thread pool in case commonPool parallelism is zero |
32 |
< |
static final class DaemonThreadFactory implements ThreadFactory { |
42 |
< |
public Thread newThread(Runnable r) { |
43 |
< |
Thread t = new Thread(r); |
44 |
< |
t.setDaemon(true); |
45 |
< |
return t; |
46 |
< |
} |
47 |
< |
} |
48 |
< |
|
49 |
< |
static final Executor basicExecutor = |
50 |
< |
(ForkJoinPool.getCommonPoolParallelism() > 0) ? |
51 |
< |
ForkJoinPool.commonPool() : |
52 |
< |
new ThreadPoolExecutor(1, 1, 60, SECONDS, |
53 |
< |
new LinkedBlockingQueue<Runnable>(), |
54 |
< |
new DaemonThreadFactory()); |
55 |
< |
|
31 |
> |
final Executor basicExecutor = basicPublisher().getExecutor(); |
32 |
> |
|
33 |
|
static SubmissionPublisher<Integer> basicPublisher() { |
34 |
< |
return new SubmissionPublisher<Integer>(basicExecutor, |
58 |
< |
Flow.defaultBufferSize()); |
34 |
> |
return new SubmissionPublisher<Integer>(); |
35 |
|
} |
36 |
< |
|
36 |
> |
|
37 |
|
static class SPException extends RuntimeException {} |
38 |
|
|
39 |
|
class TestSubscriber implements Subscriber<Integer> { |
129 |
|
*/ |
130 |
|
void checkInitialState(SubmissionPublisher<?> p) { |
131 |
|
assertFalse(p.hasSubscribers()); |
132 |
< |
assertEquals(p.getNumberOfSubscribers(), 0); |
132 |
> |
assertEquals(0, p.getNumberOfSubscribers()); |
133 |
|
assertTrue(p.getSubscribers().isEmpty()); |
134 |
|
assertFalse(p.isClosed()); |
135 |
|
assertNull(p.getClosedException()); |
136 |
|
int n = p.getMaxBufferCapacity(); |
137 |
|
assertTrue((n & (n - 1)) == 0); // power of two |
138 |
|
assertNotNull(p.getExecutor()); |
139 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
140 |
< |
assertEquals(p.estimateMaximumLag(), 0); |
139 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
140 |
> |
assertEquals(0, p.estimateMaximumLag()); |
141 |
|
} |
142 |
|
|
143 |
|
/** |
144 |
|
* A default-constructed SubmissionPublisher has no subscribers, |
145 |
|
* is not closed, has default buffer size, and uses the |
146 |
< |
* ForkJoinPool.commonPool executor |
146 |
> |
* defaultExecutor |
147 |
|
*/ |
148 |
|
public void testConstructor1() { |
149 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(); |
150 |
|
checkInitialState(p); |
175 |
– |
assertSame(p.getExecutor(), ForkJoinPool.commonPool()); |
151 |
|
assertEquals(p.getMaxBufferCapacity(), Flow.defaultBufferSize()); |
152 |
+ |
Executor e = p.getExecutor(), c = ForkJoinPool.commonPool(); |
153 |
+ |
if (ForkJoinPool.getCommonPoolParallelism() > 1) |
154 |
+ |
assertSame(e, c); |
155 |
+ |
else |
156 |
+ |
assertNotSame(e, c); |
157 |
|
} |
158 |
|
|
159 |
|
/** |
165 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(e, 8); |
166 |
|
checkInitialState(p); |
167 |
|
assertSame(p.getExecutor(), e); |
168 |
< |
assertEquals(p.getMaxBufferCapacity(), 8); |
168 |
> |
assertEquals(8, p.getMaxBufferCapacity()); |
169 |
|
} |
170 |
|
|
171 |
|
/** |
173 |
|
*/ |
174 |
|
public void testConstructor3() { |
175 |
|
try { |
176 |
< |
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(null, 8); |
176 |
> |
new SubmissionPublisher<Integer>(null, 8); |
177 |
|
shouldThrow(); |
178 |
< |
} catch (NullPointerException success) { |
199 |
< |
} |
178 |
> |
} catch (NullPointerException success) {} |
179 |
|
} |
180 |
|
|
181 |
|
/** |
185 |
|
public void testConstructor4() { |
186 |
|
Executor e = Executors.newFixedThreadPool(1); |
187 |
|
try { |
188 |
< |
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(e, -1); |
188 |
> |
new SubmissionPublisher<Integer>(e, -1); |
189 |
|
shouldThrow(); |
190 |
< |
} catch (IllegalArgumentException success) { |
212 |
< |
} |
190 |
> |
} catch (IllegalArgumentException success) {} |
191 |
|
} |
192 |
|
|
193 |
|
/** |
204 |
|
try { |
205 |
|
p.submit(1); |
206 |
|
shouldThrow(); |
207 |
< |
} |
230 |
< |
catch(IllegalStateException success) { |
231 |
< |
} |
207 |
> |
} catch (IllegalStateException success) {} |
208 |
|
Throwable ex = new SPException(); |
209 |
|
p.closeExceptionally(ex); |
210 |
|
assertTrue(p.isClosed()); |
227 |
|
try { |
228 |
|
p.submit(1); |
229 |
|
shouldThrow(); |
230 |
< |
} |
255 |
< |
catch(IllegalStateException success) { |
256 |
< |
} |
230 |
> |
} catch (IllegalStateException success) {} |
231 |
|
p.close(); |
232 |
|
assertTrue(p.isClosed()); |
233 |
|
assertSame(p.getClosedException(), ex); |
244 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
245 |
|
p.subscribe(s); |
246 |
|
assertTrue(p.hasSubscribers()); |
247 |
< |
assertEquals(p.getNumberOfSubscribers(), 1); |
247 |
> |
assertEquals(1, p.getNumberOfSubscribers()); |
248 |
|
assertTrue(p.getSubscribers().contains(s)); |
249 |
|
assertTrue(p.isSubscribed(s)); |
250 |
|
s.awaitSubscribe(); |
251 |
|
assertNotNull(s.sn); |
252 |
< |
assertEquals(s.nexts, 0); |
253 |
< |
assertEquals(s.errors, 0); |
254 |
< |
assertEquals(s.completes, 0); |
252 |
> |
assertEquals(0, s.nexts); |
253 |
> |
assertEquals(0, s.errors); |
254 |
> |
assertEquals(0, s.completes); |
255 |
|
TestSubscriber s2 = new TestSubscriber(); |
256 |
|
p.subscribe(s2); |
257 |
|
assertTrue(p.hasSubscribers()); |
258 |
< |
assertEquals(p.getNumberOfSubscribers(), 2); |
258 |
> |
assertEquals(2, p.getNumberOfSubscribers()); |
259 |
|
assertTrue(p.getSubscribers().contains(s)); |
260 |
|
assertTrue(p.getSubscribers().contains(s2)); |
261 |
|
assertTrue(p.isSubscribed(s)); |
262 |
|
assertTrue(p.isSubscribed(s2)); |
263 |
|
s2.awaitSubscribe(); |
264 |
|
assertNotNull(s2.sn); |
265 |
< |
assertEquals(s2.nexts, 0); |
266 |
< |
assertEquals(s2.errors, 0); |
267 |
< |
assertEquals(s2.completes, 0); |
265 |
> |
assertEquals(0, s2.nexts); |
266 |
> |
assertEquals(0, s2.errors); |
267 |
> |
assertEquals(0, s2.completes); |
268 |
> |
p.close(); |
269 |
|
} |
270 |
|
|
271 |
|
/** |
278 |
|
p.close(); |
279 |
|
p.subscribe(s); |
280 |
|
s.awaitComplete(); |
281 |
< |
assertEquals(s.nexts, 0); |
282 |
< |
assertEquals(s.errors, 0); |
283 |
< |
assertEquals(s.completes, 1); |
281 |
> |
assertEquals(0, s.nexts); |
282 |
> |
assertEquals(0, s.errors); |
283 |
> |
assertEquals(1, s.completes, 1); |
284 |
|
} |
285 |
|
|
286 |
|
/** |
296 |
|
assertSame(p.getClosedException(), ex); |
297 |
|
p.subscribe(s); |
298 |
|
s.awaitError(); |
299 |
< |
assertEquals(s.nexts, 0); |
300 |
< |
assertEquals(s.errors, 1); |
299 |
> |
assertEquals(0, s.nexts); |
300 |
> |
assertEquals(1, s.errors); |
301 |
|
} |
302 |
|
|
303 |
|
/** |
309 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
310 |
|
p.subscribe(s); |
311 |
|
assertTrue(p.hasSubscribers()); |
312 |
< |
assertEquals(p.getNumberOfSubscribers(), 1); |
312 |
> |
assertEquals(1, p.getNumberOfSubscribers()); |
313 |
|
assertTrue(p.getSubscribers().contains(s)); |
314 |
|
assertTrue(p.isSubscribed(s)); |
315 |
|
s.awaitSubscribe(); |
316 |
|
assertNotNull(s.sn); |
317 |
< |
assertEquals(s.nexts, 0); |
318 |
< |
assertEquals(s.errors, 0); |
319 |
< |
assertEquals(s.completes, 0); |
317 |
> |
assertEquals(0, s.nexts); |
318 |
> |
assertEquals(0, s.errors); |
319 |
> |
assertEquals(0, s.completes); |
320 |
|
p.subscribe(s); |
321 |
|
s.awaitError(); |
322 |
< |
assertEquals(s.nexts, 0); |
323 |
< |
assertEquals(s.errors, 1); |
322 |
> |
assertEquals(0, s.nexts); |
323 |
> |
assertEquals(1, s.errors); |
324 |
|
assertFalse(p.isSubscribed(s)); |
325 |
|
} |
326 |
|
|
333 |
|
s.throwOnCall = true; |
334 |
|
try { |
335 |
|
p.subscribe(s); |
336 |
< |
} catch(Exception ok) { |
362 |
< |
} |
336 |
> |
} catch (Exception ok) {} |
337 |
|
s.awaitError(); |
338 |
< |
assertEquals(s.nexts, 0); |
339 |
< |
assertEquals(s.errors, 1); |
340 |
< |
assertEquals(s.completes, 0); |
338 |
> |
assertEquals(0, s.nexts); |
339 |
> |
assertEquals(1, s.errors); |
340 |
> |
assertEquals(0, s.completes); |
341 |
|
} |
342 |
|
|
343 |
|
/** |
344 |
< |
* subscribe(null) thows NPE |
344 |
> |
* subscribe(null) throws NPE |
345 |
|
*/ |
346 |
|
public void testSubscribe6() { |
347 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
348 |
|
try { |
349 |
|
p.subscribe(null); |
350 |
< |
} catch(NullPointerException success) { |
351 |
< |
} |
350 |
> |
shouldThrow(); |
351 |
> |
} catch (NullPointerException success) {} |
352 |
|
checkInitialState(p); |
353 |
|
} |
354 |
|
|
366 |
|
assertTrue(p.isClosed()); |
367 |
|
assertNull(p.getClosedException()); |
368 |
|
s1.awaitComplete(); |
369 |
< |
assertEquals(s1.nexts, 1); |
370 |
< |
assertEquals(s1.completes, 1); |
369 |
> |
assertEquals(1, s1.nexts); |
370 |
> |
assertEquals(1, s1.completes); |
371 |
|
s2.awaitComplete(); |
372 |
< |
assertEquals(s2.nexts, 1); |
373 |
< |
assertEquals(s2.completes, 1); |
372 |
> |
assertEquals(1, s2.nexts); |
373 |
> |
assertEquals(1, s2.completes); |
374 |
|
} |
375 |
|
|
376 |
|
/** |
377 |
|
* Closing a publisher exceptionally causes onError to subscribers |
378 |
+ |
* after they are subscribed |
379 |
|
*/ |
380 |
|
public void testCloseExceptionallyError() { |
381 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
386 |
|
p.submit(1); |
387 |
|
p.closeExceptionally(new SPException()); |
388 |
|
assertTrue(p.isClosed()); |
389 |
+ |
s1.awaitSubscribe(); |
390 |
|
s1.awaitError(); |
391 |
|
assertTrue(s1.nexts <= 1); |
392 |
< |
assertEquals(s1.errors, 1); |
392 |
> |
assertEquals(1, s1.errors); |
393 |
> |
s2.awaitSubscribe(); |
394 |
|
s2.awaitError(); |
395 |
|
assertTrue(s2.nexts <= 1); |
396 |
< |
assertEquals(s2.errors, 1); |
396 |
> |
assertEquals(1, s2.errors); |
397 |
|
} |
398 |
|
|
399 |
|
/** |
412 |
|
p.submit(i); |
413 |
|
p.close(); |
414 |
|
s2.awaitComplete(); |
415 |
< |
assertEquals(s2.nexts, 20); |
416 |
< |
assertEquals(s2.completes, 1); |
415 |
> |
assertEquals(20, s2.nexts); |
416 |
> |
assertEquals(1, s2.completes); |
417 |
|
assertTrue(s1.nexts < 20); |
418 |
|
assertFalse(p.isSubscribed(s1)); |
419 |
|
} |
433 |
|
p.submit(2); |
434 |
|
p.close(); |
435 |
|
s2.awaitComplete(); |
436 |
< |
assertEquals(s2.nexts, 2); |
436 |
> |
assertEquals(2, s2.nexts); |
437 |
|
s1.awaitComplete(); |
438 |
< |
assertEquals(s1.errors, 1); |
438 |
> |
assertEquals(1, s1.errors); |
439 |
|
} |
440 |
|
|
441 |
|
/** |
442 |
< |
* If a handler is supplied in conctructor, it is invoked when |
442 |
> |
* If a handler is supplied in constructor, it is invoked when |
443 |
|
* subscriber throws an exception in onNext |
444 |
|
*/ |
445 |
|
public void testThrowOnNextHandler() { |
457 |
|
p.submit(2); |
458 |
|
p.close(); |
459 |
|
s2.awaitComplete(); |
460 |
< |
assertEquals(s2.nexts, 2); |
461 |
< |
assertEquals(s2.completes, 1); |
460 |
> |
assertEquals(2, s2.nexts); |
461 |
> |
assertEquals(1, s2.completes); |
462 |
|
s1.awaitError(); |
463 |
< |
assertEquals(s1.errors, 1); |
464 |
< |
assertEquals(calls.get(), 1); |
463 |
> |
assertEquals(1, s1.errors); |
464 |
> |
assertEquals(1, calls.get()); |
465 |
|
} |
466 |
|
|
467 |
|
/** |
478 |
|
p.close(); |
479 |
|
s2.awaitComplete(); |
480 |
|
s1.awaitComplete(); |
481 |
< |
assertEquals(s2.nexts, 20); |
482 |
< |
assertEquals(s2.completes, 1); |
483 |
< |
assertEquals(s1.nexts, 20); |
484 |
< |
assertEquals(s1.completes, 1); |
481 |
> |
assertEquals(20, s2.nexts); |
482 |
> |
assertEquals(1, s2.completes); |
483 |
> |
assertEquals(20, s1.nexts); |
484 |
> |
assertEquals(1, s1.completes); |
485 |
|
} |
486 |
|
|
487 |
|
/** |
499 |
|
p.submit(1); |
500 |
|
p.submit(2); |
501 |
|
s2.awaitNext(1); |
502 |
< |
assertEquals(s1.nexts, 0); |
502 |
> |
assertEquals(0, s1.nexts); |
503 |
|
s1.sn.request(3); |
504 |
|
p.submit(3); |
505 |
|
p.close(); |
506 |
|
s2.awaitComplete(); |
507 |
< |
assertEquals(s2.nexts, 3); |
508 |
< |
assertEquals(s2.completes, 1); |
507 |
> |
assertEquals(3, s2.nexts); |
508 |
> |
assertEquals(1, s2.completes); |
509 |
|
s1.awaitComplete(); |
510 |
|
assertTrue(s1.nexts > 0); |
511 |
< |
assertEquals(s1.completes, 1); |
511 |
> |
assertEquals(1, s1.completes); |
512 |
|
} |
513 |
|
|
514 |
|
/** |
527 |
|
p.submit(2); |
528 |
|
p.close(); |
529 |
|
s2.awaitComplete(); |
530 |
< |
assertEquals(s2.nexts, 2); |
531 |
< |
assertEquals(s2.completes, 1); |
530 |
> |
assertEquals(2, s2.nexts); |
531 |
> |
assertEquals(1, s2.completes); |
532 |
|
s1.awaitNext(1); |
533 |
< |
assertEquals(s1.nexts, 1); |
533 |
> |
assertEquals(1, s1.nexts); |
534 |
|
} |
535 |
|
|
536 |
|
/** |
549 |
|
p.submit(2); |
550 |
|
p.close(); |
551 |
|
s2.awaitComplete(); |
552 |
< |
assertEquals(s2.nexts, 2); |
553 |
< |
assertEquals(s2.completes, 1); |
552 |
> |
assertEquals(2, s2.nexts); |
553 |
> |
assertEquals(1, s2.completes); |
554 |
|
s1.awaitError(); |
555 |
< |
assertEquals(s1.errors, 1); |
555 |
> |
assertEquals(1, s1.errors); |
556 |
|
assertTrue(s1.lastError instanceof IllegalArgumentException); |
557 |
|
} |
558 |
|
|
566 |
|
s.request = false; |
567 |
|
p.subscribe(s); |
568 |
|
s.awaitSubscribe(); |
569 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
569 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
570 |
|
s.sn.request(1); |
571 |
< |
assertEquals(p.estimateMinimumDemand(), 1); |
571 |
> |
assertEquals(1, p.estimateMinimumDemand()); |
572 |
|
p.submit(1); |
573 |
|
s.awaitNext(1); |
574 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
574 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
575 |
|
} |
576 |
|
|
577 |
|
/** |
578 |
< |
* Submit to a publisher with no subscribers returns lag 0 |
578 |
> |
* submit to a publisher with no subscribers returns lag 0 |
579 |
|
*/ |
580 |
|
public void testEmptySubmit() { |
581 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
582 |
< |
assertEquals(p.submit(1), 0); |
582 |
> |
assertEquals(0, p.submit(1)); |
583 |
|
} |
584 |
|
|
585 |
|
/** |
586 |
< |
* Submit(null) throws NPE |
586 |
> |
* submit(null) throws NPE |
587 |
|
*/ |
588 |
|
public void testNullSubmit() { |
589 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
590 |
|
try { |
591 |
|
p.submit(null); |
592 |
< |
} catch (NullPointerException success) { |
593 |
< |
} |
592 |
> |
shouldThrow(); |
593 |
> |
} catch (NullPointerException success) {} |
594 |
|
} |
595 |
|
|
596 |
|
/** |
597 |
< |
* Submit returns number of lagged items, compatible with result |
597 |
> |
* submit returns number of lagged items, compatible with result |
598 |
|
* of estimateMaximumLag. |
599 |
|
*/ |
600 |
|
public void testLaggedSubmit() { |
607 |
|
p.subscribe(s2); |
608 |
|
s2.awaitSubscribe(); |
609 |
|
s1.awaitSubscribe(); |
610 |
< |
assertEquals(p.submit(1), 1); |
610 |
> |
assertEquals(1, p.submit(1)); |
611 |
|
assertTrue(p.estimateMaximumLag() >= 1); |
612 |
|
assertTrue(p.submit(2) >= 2); |
613 |
|
assertTrue(p.estimateMaximumLag() >= 2); |
618 |
|
p.submit(4); |
619 |
|
p.close(); |
620 |
|
s2.awaitComplete(); |
621 |
< |
assertEquals(s2.nexts, 4); |
621 |
> |
assertEquals(4, s2.nexts); |
622 |
|
s1.awaitComplete(); |
623 |
< |
assertEquals(s2.nexts, 4); |
623 |
> |
assertEquals(4, s2.nexts); |
624 |
|
} |
625 |
|
|
626 |
|
/** |
640 |
|
p.close(); |
641 |
|
s2.awaitComplete(); |
642 |
|
s1.awaitComplete(); |
643 |
< |
assertEquals(s2.nexts, 20); |
644 |
< |
assertEquals(s2.completes, 1); |
645 |
< |
assertEquals(s1.nexts, 20); |
646 |
< |
assertEquals(s1.completes, 1); |
643 |
> |
assertEquals(20, s2.nexts); |
644 |
> |
assertEquals(1, s2.completes); |
645 |
> |
assertEquals(20, s1.nexts); |
646 |
> |
assertEquals(1, s1.completes); |
647 |
|
} |
648 |
< |
|
648 |
> |
|
649 |
|
static boolean noopHandle(AtomicInteger count) { |
650 |
|
count.getAndIncrement(); |
651 |
|
return false; |
658 |
|
} |
659 |
|
|
660 |
|
/** |
661 |
< |
* Offer to a publisher with no subscribers returns lag 0 |
661 |
> |
* offer to a publisher with no subscribers returns lag 0 |
662 |
|
*/ |
663 |
|
public void testEmptyOffer() { |
664 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
665 |
< |
assertEquals(p.offer(1, null), 0); |
665 |
> |
assertEquals(0, p.offer(1, null)); |
666 |
|
} |
667 |
|
|
668 |
|
/** |
669 |
< |
* Offer(null) throws NPE |
669 |
> |
* offer(null) throws NPE |
670 |
|
*/ |
671 |
|
public void testNullOffer() { |
672 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
673 |
|
try { |
674 |
|
p.offer(null, null); |
675 |
< |
} catch (NullPointerException success) { |
676 |
< |
} |
675 |
> |
shouldThrow(); |
676 |
> |
} catch (NullPointerException success) {} |
677 |
|
} |
678 |
|
|
679 |
|
/** |
680 |
< |
* Offer returns number of lagged items if not saturated |
680 |
> |
* offer returns number of lagged items if not saturated |
681 |
|
*/ |
682 |
|
public void testLaggedOffer() { |
683 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
697 |
|
p.offer(4, null); |
698 |
|
p.close(); |
699 |
|
s2.awaitComplete(); |
700 |
< |
assertEquals(s2.nexts, 4); |
700 |
> |
assertEquals(4, s2.nexts); |
701 |
|
s1.awaitComplete(); |
702 |
< |
assertEquals(s2.nexts, 4); |
702 |
> |
assertEquals(4, s2.nexts); |
703 |
|
} |
704 |
|
|
705 |
|
/** |
706 |
< |
* Offer reports drops if saturated |
706 |
> |
* offer reports drops if saturated |
707 |
|
*/ |
708 |
|
public void testDroppedOffer() { |
709 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>( |
731 |
|
} |
732 |
|
|
733 |
|
/** |
734 |
< |
* Offer invokes drop handler if saturated |
734 |
> |
* offer invokes drop handler if saturated |
735 |
|
*/ |
736 |
|
public void testHandledDroppedOffer() { |
737 |
|
AtomicInteger calls = new AtomicInteger(); |
758 |
|
assertTrue(calls.get() >= 4); |
759 |
|
} |
760 |
|
|
784 |
– |
|
761 |
|
/** |
762 |
< |
* Offer succeeds if drop handler forces request |
762 |
> |
* offer succeeds if drop handler forces request |
763 |
|
*/ |
764 |
|
public void testRecoveredHandledDroppedOffer() { |
765 |
|
AtomicInteger calls = new AtomicInteger(); |
781 |
|
p.close(); |
782 |
|
s2.awaitComplete(); |
783 |
|
s1.awaitComplete(); |
784 |
< |
assertEquals(s1.nexts + s2.nexts, n); |
784 |
> |
assertEquals(n, s1.nexts + s2.nexts); |
785 |
|
assertTrue(calls.get() >= 2); |
786 |
|
} |
787 |
|
|
812 |
– |
|
788 |
|
/** |
789 |
< |
* TimedOffer to a publisher with no subscribers returns lag 0 |
789 |
> |
* Timed offer to a publisher with no subscribers returns lag 0 |
790 |
|
*/ |
791 |
|
public void testEmptyTimedOffer() { |
792 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
793 |
< |
assertEquals(p.offer(1, null), 0); |
793 |
> |
long startTime = System.nanoTime(); |
794 |
> |
assertEquals(0, p.offer(1, LONG_DELAY_MS, MILLISECONDS, null)); |
795 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
796 |
|
} |
797 |
|
|
798 |
|
/** |
799 |
< |
* Timed Offer with null item or TimeUnit throws NPE |
799 |
> |
* Timed offer with null item or TimeUnit throws NPE |
800 |
|
*/ |
801 |
|
public void testNullTimedOffer() { |
802 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
803 |
+ |
long startTime = System.nanoTime(); |
804 |
|
try { |
805 |
< |
p.offer(null, SHORT_DELAY_MS, MILLISECONDS, null); |
806 |
< |
} catch (NullPointerException success) { |
807 |
< |
} |
805 |
> |
p.offer(null, LONG_DELAY_MS, MILLISECONDS, null); |
806 |
> |
shouldThrow(); |
807 |
> |
} catch (NullPointerException success) {} |
808 |
|
try { |
809 |
< |
p.offer(1, SHORT_DELAY_MS, null, null); |
810 |
< |
} catch (NullPointerException success) { |
811 |
< |
} |
809 |
> |
p.offer(1, LONG_DELAY_MS, null, null); |
810 |
> |
shouldThrow(); |
811 |
> |
} catch (NullPointerException success) {} |
812 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
813 |
|
} |
814 |
|
|
815 |
|
/** |
816 |
< |
* Timed Offer returns number of lagged items if not saturated |
816 |
> |
* Timed offer returns number of lagged items if not saturated |
817 |
|
*/ |
818 |
|
public void testLaggedTimedOffer() { |
819 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
825 |
|
p.subscribe(s2); |
826 |
|
s2.awaitSubscribe(); |
827 |
|
s1.awaitSubscribe(); |
828 |
< |
assertTrue(p.offer(1, SHORT_DELAY_MS, MILLISECONDS, null) >= 1); |
829 |
< |
assertTrue(p.offer(2, SHORT_DELAY_MS, MILLISECONDS, null) >= 2); |
828 |
> |
long startTime = System.nanoTime(); |
829 |
> |
assertTrue(p.offer(1, LONG_DELAY_MS, MILLISECONDS, null) >= 1); |
830 |
> |
assertTrue(p.offer(2, LONG_DELAY_MS, MILLISECONDS, null) >= 2); |
831 |
|
s1.sn.request(4); |
832 |
< |
assertTrue(p.offer(3, SHORT_DELAY_MS, MILLISECONDS, null) >= 3); |
832 |
> |
assertTrue(p.offer(3, LONG_DELAY_MS, MILLISECONDS, null) >= 3); |
833 |
|
s2.sn.request(4); |
834 |
< |
p.offer(4, SHORT_DELAY_MS, MILLISECONDS, null); |
834 |
> |
p.offer(4, LONG_DELAY_MS, MILLISECONDS, null); |
835 |
|
p.close(); |
836 |
|
s2.awaitComplete(); |
837 |
< |
assertEquals(s2.nexts, 4); |
837 |
> |
assertEquals(4, s2.nexts); |
838 |
|
s1.awaitComplete(); |
839 |
< |
assertEquals(s2.nexts, 4); |
839 |
> |
assertEquals(4, s2.nexts); |
840 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
841 |
|
} |
842 |
|
|
843 |
|
/** |
844 |
< |
* Timed Offer reports drops if saturated |
844 |
> |
* Timed offer reports drops if saturated |
845 |
|
*/ |
846 |
|
public void testDroppedTimedOffer() { |
847 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>( |
854 |
|
p.subscribe(s2); |
855 |
|
s2.awaitSubscribe(); |
856 |
|
s1.awaitSubscribe(); |
857 |
+ |
long delay = timeoutMillis(); |
858 |
|
for (int i = 1; i <= 4; ++i) |
859 |
< |
assertTrue(p.offer(i, SHORT_DELAY_MS, MILLISECONDS, null) >= 0); |
860 |
< |
p.offer(5, SHORT_DELAY_MS, MILLISECONDS, null); |
861 |
< |
assertTrue(p.offer(6, SHORT_DELAY_MS, MILLISECONDS, null) < 0); |
859 |
> |
assertTrue(p.offer(i, delay, MILLISECONDS, null) >= 0); |
860 |
> |
long startTime = System.nanoTime(); |
861 |
> |
assertTrue(p.offer(5, delay, MILLISECONDS, null) < 0); |
862 |
|
s1.sn.request(64); |
863 |
< |
assertTrue(p.offer(7, SHORT_DELAY_MS, MILLISECONDS, null) < 0); |
863 |
> |
assertTrue(p.offer(6, delay, MILLISECONDS, null) < 0); |
864 |
> |
// 2 * delay should elapse but check only 1 * delay to allow timer slop |
865 |
> |
assertTrue(millisElapsedSince(startTime) >= delay); |
866 |
|
s2.sn.request(64); |
867 |
|
p.close(); |
868 |
|
s2.awaitComplete(); |
872 |
|
} |
873 |
|
|
874 |
|
/** |
875 |
< |
* Timed Offer invokes drop handler if saturated |
875 |
> |
* Timed offer invokes drop handler if saturated |
876 |
|
*/ |
877 |
|
public void testHandledDroppedTimedOffer() { |
878 |
|
AtomicInteger calls = new AtomicInteger(); |
886 |
|
p.subscribe(s2); |
887 |
|
s2.awaitSubscribe(); |
888 |
|
s1.awaitSubscribe(); |
889 |
+ |
long delay = timeoutMillis(); |
890 |
|
for (int i = 1; i <= 4; ++i) |
891 |
< |
assertTrue(p.offer(i, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) >= 0); |
892 |
< |
p.offer(5, (s, x) -> noopHandle(calls)); |
893 |
< |
assertTrue(p.offer(6, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
891 |
> |
assertTrue(p.offer(i, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) >= 0); |
892 |
> |
long startTime = System.nanoTime(); |
893 |
> |
assertTrue(p.offer(5, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
894 |
|
s1.sn.request(64); |
895 |
< |
assertTrue(p.offer(7, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
895 |
> |
assertTrue(p.offer(6, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
896 |
> |
assertTrue(millisElapsedSince(startTime) >= delay); |
897 |
|
s2.sn.request(64); |
898 |
|
p.close(); |
899 |
|
s2.awaitComplete(); |
902 |
|
} |
903 |
|
|
904 |
|
/** |
905 |
< |
* Timed Offer succeeds if drop handler forces request |
905 |
> |
* Timed offer succeeds if drop handler forces request |
906 |
|
*/ |
907 |
|
public void testRecoveredHandledDroppedTimedOffer() { |
908 |
|
AtomicInteger calls = new AtomicInteger(); |
917 |
|
s2.awaitSubscribe(); |
918 |
|
s1.awaitSubscribe(); |
919 |
|
int n = 0; |
920 |
< |
for (int i = 1; i <= 8; ++i) { |
921 |
< |
int d = p.offer(i, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> reqHandle(calls, s)); |
920 |
> |
long delay = timeoutMillis(); |
921 |
> |
long startTime = System.nanoTime(); |
922 |
> |
for (int i = 1; i <= 6; ++i) { |
923 |
> |
int d = p.offer(i, delay, MILLISECONDS, (s, x) -> reqHandle(calls, s)); |
924 |
|
n = n + 2 + (d < 0 ? d : 0); |
925 |
|
} |
926 |
+ |
assertTrue(millisElapsedSince(startTime) >= delay); |
927 |
|
p.close(); |
928 |
|
s2.awaitComplete(); |
929 |
|
s1.awaitComplete(); |
930 |
< |
assertEquals(s1.nexts + s2.nexts, n); |
930 |
> |
assertEquals(n, s1.nexts + s2.nexts); |
931 |
|
assertTrue(calls.get() >= 2); |
932 |
|
} |
933 |
|
|
934 |
+ |
/** |
935 |
+ |
* consume returns a CompletableFuture that is done when |
936 |
+ |
* publisher completes |
937 |
+ |
*/ |
938 |
+ |
public void testConsume() { |
939 |
+ |
AtomicInteger sum = new AtomicInteger(); |
940 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
941 |
+ |
CompletableFuture<Void> f = |
942 |
+ |
p.consume((Integer x) -> sum.getAndAdd(x.intValue())); |
943 |
+ |
int n = 20; |
944 |
+ |
for (int i = 1; i <= n; ++i) |
945 |
+ |
p.submit(i); |
946 |
+ |
p.close(); |
947 |
+ |
f.join(); |
948 |
+ |
assertEquals((n * (n + 1)) / 2, sum.get()); |
949 |
+ |
} |
950 |
+ |
|
951 |
+ |
/** |
952 |
+ |
* consume(null) throws NPE |
953 |
+ |
*/ |
954 |
+ |
public void testConsumeNPE() { |
955 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
956 |
+ |
try { |
957 |
+ |
CompletableFuture<Void> f = p.consume(null); |
958 |
+ |
shouldThrow(); |
959 |
+ |
} catch (NullPointerException success) {} |
960 |
+ |
} |
961 |
+ |
|
962 |
+ |
/** |
963 |
+ |
* consume eventually stops processing published items if cancelled |
964 |
+ |
*/ |
965 |
+ |
public void testCancelledConsume() { |
966 |
+ |
AtomicInteger count = new AtomicInteger(); |
967 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
968 |
+ |
CompletableFuture<Void> f = p.consume(x -> count.getAndIncrement()); |
969 |
+ |
f.cancel(true); |
970 |
+ |
int n = 1000000; // arbitrary limit |
971 |
+ |
for (int i = 1; i <= n; ++i) |
972 |
+ |
p.submit(i); |
973 |
+ |
assertTrue(count.get() < n); |
974 |
+ |
} |
975 |
|
|
976 |
|
} |