5 |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
6 |
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*/ |
7 |
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|
8 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
9 |
< |
import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
< |
|
8 |
> |
import java.util.concurrent.CompletableFuture; |
9 |
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import java.util.concurrent.Executor; |
10 |
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import java.util.concurrent.Executors; |
11 |
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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 |
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import java.util.concurrent.ForkJoinPool; |
13 |
+ |
import java.util.concurrent.LinkedBlockingQueue; |
14 |
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import java.util.concurrent.SubmissionPublisher; |
15 |
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import java.util.concurrent.ThreadFactory; |
16 |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import java.util.function.BiConsumer; |
25 |
– |
import java.util.function.BiPredicate; |
20 |
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import java.util.function.BiFunction; |
21 |
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|
21 |
> |
import java.util.function.BiPredicate; |
22 |
> |
import java.util.stream.Stream; |
23 |
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import junit.framework.Test; |
24 |
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import junit.framework.TestSuite; |
25 |
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|
26 |
+ |
import static java.util.concurrent.Flow.Publisher; |
27 |
+ |
import static java.util.concurrent.Flow.Subscriber; |
28 |
+ |
import static java.util.concurrent.Flow.Subscription; |
29 |
+ |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
30 |
+ |
import static java.util.concurrent.TimeUnit.SECONDS; |
31 |
+ |
|
32 |
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public class SubmissionPublisherTest extends JSR166TestCase { |
33 |
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|
34 |
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public static void main(String[] args) { |
46 |
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return t; |
47 |
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} |
48 |
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} |
49 |
< |
|
49 |
> |
|
50 |
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static final Executor basicExecutor = |
51 |
< |
(ForkJoinPool.getCommonPoolParallelism() > 0) ? |
51 |
> |
(ForkJoinPool.getCommonPoolParallelism() > 1) ? |
52 |
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ForkJoinPool.commonPool() : |
53 |
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new ThreadPoolExecutor(1, 1, 60, SECONDS, |
54 |
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new LinkedBlockingQueue<Runnable>(), |
55 |
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new DaemonThreadFactory()); |
56 |
< |
|
56 |
> |
|
57 |
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static SubmissionPublisher<Integer> basicPublisher() { |
58 |
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return new SubmissionPublisher<Integer>(basicExecutor, |
59 |
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Flow.defaultBufferSize()); |
60 |
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} |
61 |
< |
|
61 |
> |
|
62 |
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static class SPException extends RuntimeException {} |
63 |
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|
64 |
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class TestSubscriber implements Subscriber<Integer> { |
154 |
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*/ |
155 |
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void checkInitialState(SubmissionPublisher<?> p) { |
156 |
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assertFalse(p.hasSubscribers()); |
157 |
< |
assertEquals(p.getNumberOfSubscribers(), 0); |
157 |
> |
assertEquals(0, p.getNumberOfSubscribers()); |
158 |
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assertTrue(p.getSubscribers().isEmpty()); |
159 |
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assertFalse(p.isClosed()); |
160 |
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assertNull(p.getClosedException()); |
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int n = p.getMaxBufferCapacity(); |
162 |
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assertTrue((n & (n - 1)) == 0); // power of two |
163 |
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assertNotNull(p.getExecutor()); |
164 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
165 |
< |
assertEquals(p.estimateMaximumLag(), 0); |
164 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
165 |
> |
assertEquals(0, p.estimateMaximumLag()); |
166 |
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} |
167 |
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|
168 |
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/** |
186 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(e, 8); |
187 |
|
checkInitialState(p); |
188 |
|
assertSame(p.getExecutor(), e); |
189 |
< |
assertEquals(p.getMaxBufferCapacity(), 8); |
189 |
> |
assertEquals(8, p.getMaxBufferCapacity()); |
190 |
|
} |
191 |
|
|
192 |
|
/** |
194 |
|
*/ |
195 |
|
public void testConstructor3() { |
196 |
|
try { |
197 |
< |
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(null, 8); |
197 |
> |
new SubmissionPublisher<Integer>(null, 8); |
198 |
|
shouldThrow(); |
199 |
< |
} catch (NullPointerException success) { |
199 |
< |
} |
199 |
> |
} catch (NullPointerException success) {} |
200 |
|
} |
201 |
|
|
202 |
|
/** |
206 |
|
public void testConstructor4() { |
207 |
|
Executor e = Executors.newFixedThreadPool(1); |
208 |
|
try { |
209 |
< |
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>(e, -1); |
209 |
> |
new SubmissionPublisher<Integer>(e, -1); |
210 |
|
shouldThrow(); |
211 |
< |
} catch (IllegalArgumentException success) { |
212 |
< |
} |
211 |
> |
} catch (IllegalArgumentException success) {} |
212 |
|
} |
213 |
|
|
214 |
|
/** |
225 |
|
try { |
226 |
|
p.submit(1); |
227 |
|
shouldThrow(); |
228 |
< |
} |
230 |
< |
catch(IllegalStateException success) { |
231 |
< |
} |
228 |
> |
} catch (IllegalStateException success) {} |
229 |
|
Throwable ex = new SPException(); |
230 |
|
p.closeExceptionally(ex); |
231 |
|
assertTrue(p.isClosed()); |
248 |
|
try { |
249 |
|
p.submit(1); |
250 |
|
shouldThrow(); |
251 |
< |
} |
255 |
< |
catch(IllegalStateException success) { |
256 |
< |
} |
251 |
> |
} catch (IllegalStateException success) {} |
252 |
|
p.close(); |
253 |
|
assertTrue(p.isClosed()); |
254 |
|
assertSame(p.getClosedException(), ex); |
265 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
266 |
|
p.subscribe(s); |
267 |
|
assertTrue(p.hasSubscribers()); |
268 |
< |
assertEquals(p.getNumberOfSubscribers(), 1); |
268 |
> |
assertEquals(1, p.getNumberOfSubscribers()); |
269 |
|
assertTrue(p.getSubscribers().contains(s)); |
270 |
|
assertTrue(p.isSubscribed(s)); |
271 |
|
s.awaitSubscribe(); |
272 |
|
assertNotNull(s.sn); |
273 |
< |
assertEquals(s.nexts, 0); |
274 |
< |
assertEquals(s.errors, 0); |
275 |
< |
assertEquals(s.completes, 0); |
273 |
> |
assertEquals(0, s.nexts); |
274 |
> |
assertEquals(0, s.errors); |
275 |
> |
assertEquals(0, s.completes); |
276 |
|
TestSubscriber s2 = new TestSubscriber(); |
277 |
|
p.subscribe(s2); |
278 |
|
assertTrue(p.hasSubscribers()); |
279 |
< |
assertEquals(p.getNumberOfSubscribers(), 2); |
279 |
> |
assertEquals(2, p.getNumberOfSubscribers()); |
280 |
|
assertTrue(p.getSubscribers().contains(s)); |
281 |
|
assertTrue(p.getSubscribers().contains(s2)); |
282 |
|
assertTrue(p.isSubscribed(s)); |
283 |
|
assertTrue(p.isSubscribed(s2)); |
284 |
|
s2.awaitSubscribe(); |
285 |
|
assertNotNull(s2.sn); |
286 |
< |
assertEquals(s2.nexts, 0); |
287 |
< |
assertEquals(s2.errors, 0); |
288 |
< |
assertEquals(s2.completes, 0); |
286 |
> |
assertEquals(0, s2.nexts); |
287 |
> |
assertEquals(0, s2.errors); |
288 |
> |
assertEquals(0, s2.completes); |
289 |
> |
p.close(); |
290 |
|
} |
291 |
|
|
292 |
|
/** |
299 |
|
p.close(); |
300 |
|
p.subscribe(s); |
301 |
|
s.awaitComplete(); |
302 |
< |
assertEquals(s.nexts, 0); |
303 |
< |
assertEquals(s.errors, 0); |
304 |
< |
assertEquals(s.completes, 1); |
302 |
> |
assertEquals(0, s.nexts); |
303 |
> |
assertEquals(0, s.errors); |
304 |
> |
assertEquals(1, s.completes, 1); |
305 |
|
} |
306 |
|
|
307 |
|
/** |
317 |
|
assertSame(p.getClosedException(), ex); |
318 |
|
p.subscribe(s); |
319 |
|
s.awaitError(); |
320 |
< |
assertEquals(s.nexts, 0); |
321 |
< |
assertEquals(s.errors, 1); |
320 |
> |
assertEquals(0, s.nexts); |
321 |
> |
assertEquals(1, s.errors); |
322 |
|
} |
323 |
|
|
324 |
|
/** |
330 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
331 |
|
p.subscribe(s); |
332 |
|
assertTrue(p.hasSubscribers()); |
333 |
< |
assertEquals(p.getNumberOfSubscribers(), 1); |
333 |
> |
assertEquals(1, p.getNumberOfSubscribers()); |
334 |
|
assertTrue(p.getSubscribers().contains(s)); |
335 |
|
assertTrue(p.isSubscribed(s)); |
336 |
|
s.awaitSubscribe(); |
337 |
|
assertNotNull(s.sn); |
338 |
< |
assertEquals(s.nexts, 0); |
339 |
< |
assertEquals(s.errors, 0); |
340 |
< |
assertEquals(s.completes, 0); |
338 |
> |
assertEquals(0, s.nexts); |
339 |
> |
assertEquals(0, s.errors); |
340 |
> |
assertEquals(0, s.completes); |
341 |
|
p.subscribe(s); |
342 |
|
s.awaitError(); |
343 |
< |
assertEquals(s.nexts, 0); |
344 |
< |
assertEquals(s.errors, 1); |
343 |
> |
assertEquals(0, s.nexts); |
344 |
> |
assertEquals(1, s.errors); |
345 |
|
assertFalse(p.isSubscribed(s)); |
346 |
|
} |
347 |
|
|
354 |
|
s.throwOnCall = true; |
355 |
|
try { |
356 |
|
p.subscribe(s); |
357 |
< |
} catch(Exception ok) { |
362 |
< |
} |
357 |
> |
} catch (Exception ok) {} |
358 |
|
s.awaitError(); |
359 |
< |
assertEquals(s.nexts, 0); |
360 |
< |
assertEquals(s.errors, 1); |
361 |
< |
assertEquals(s.completes, 0); |
359 |
> |
assertEquals(0, s.nexts); |
360 |
> |
assertEquals(1, s.errors); |
361 |
> |
assertEquals(0, s.completes); |
362 |
|
} |
363 |
|
|
364 |
|
/** |
365 |
< |
* subscribe(null) thows NPE |
365 |
> |
* subscribe(null) throws NPE |
366 |
|
*/ |
367 |
|
public void testSubscribe6() { |
368 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
369 |
|
try { |
370 |
|
p.subscribe(null); |
371 |
< |
} catch(NullPointerException success) { |
372 |
< |
} |
371 |
> |
shouldThrow(); |
372 |
> |
} catch (NullPointerException success) {} |
373 |
|
checkInitialState(p); |
374 |
|
} |
375 |
|
|
387 |
|
assertTrue(p.isClosed()); |
388 |
|
assertNull(p.getClosedException()); |
389 |
|
s1.awaitComplete(); |
390 |
< |
assertEquals(s1.nexts, 1); |
391 |
< |
assertEquals(s1.completes, 1); |
390 |
> |
assertEquals(1, s1.nexts); |
391 |
> |
assertEquals(1, s1.completes); |
392 |
|
s2.awaitComplete(); |
393 |
< |
assertEquals(s2.nexts, 1); |
394 |
< |
assertEquals(s2.completes, 1); |
393 |
> |
assertEquals(1, s2.nexts); |
394 |
> |
assertEquals(1, s2.completes); |
395 |
|
} |
396 |
|
|
397 |
|
/** |
408 |
|
assertTrue(p.isClosed()); |
409 |
|
s1.awaitError(); |
410 |
|
assertTrue(s1.nexts <= 1); |
411 |
< |
assertEquals(s1.errors, 1); |
411 |
> |
assertEquals(1, s1.errors); |
412 |
|
s2.awaitError(); |
413 |
|
assertTrue(s2.nexts <= 1); |
414 |
< |
assertEquals(s2.errors, 1); |
414 |
> |
assertEquals(1, s2.errors); |
415 |
|
} |
416 |
|
|
417 |
|
/** |
430 |
|
p.submit(i); |
431 |
|
p.close(); |
432 |
|
s2.awaitComplete(); |
433 |
< |
assertEquals(s2.nexts, 20); |
434 |
< |
assertEquals(s2.completes, 1); |
433 |
> |
assertEquals(20, s2.nexts); |
434 |
> |
assertEquals(1, s2.completes); |
435 |
|
assertTrue(s1.nexts < 20); |
436 |
|
assertFalse(p.isSubscribed(s1)); |
437 |
|
} |
451 |
|
p.submit(2); |
452 |
|
p.close(); |
453 |
|
s2.awaitComplete(); |
454 |
< |
assertEquals(s2.nexts, 2); |
454 |
> |
assertEquals(2, s2.nexts); |
455 |
|
s1.awaitComplete(); |
456 |
< |
assertEquals(s1.errors, 1); |
456 |
> |
assertEquals(1, s1.errors); |
457 |
|
} |
458 |
|
|
459 |
|
/** |
460 |
< |
* If a handler is supplied in conctructor, it is invoked when |
460 |
> |
* If a handler is supplied in constructor, it is invoked when |
461 |
|
* subscriber throws an exception in onNext |
462 |
|
*/ |
463 |
|
public void testThrowOnNextHandler() { |
475 |
|
p.submit(2); |
476 |
|
p.close(); |
477 |
|
s2.awaitComplete(); |
478 |
< |
assertEquals(s2.nexts, 2); |
479 |
< |
assertEquals(s2.completes, 1); |
478 |
> |
assertEquals(2, s2.nexts); |
479 |
> |
assertEquals(1, s2.completes); |
480 |
|
s1.awaitError(); |
481 |
< |
assertEquals(s1.errors, 1); |
482 |
< |
assertEquals(calls.get(), 1); |
481 |
> |
assertEquals(1, s1.errors); |
482 |
> |
assertEquals(1, calls.get()); |
483 |
|
} |
484 |
|
|
485 |
|
/** |
496 |
|
p.close(); |
497 |
|
s2.awaitComplete(); |
498 |
|
s1.awaitComplete(); |
499 |
< |
assertEquals(s2.nexts, 20); |
500 |
< |
assertEquals(s2.completes, 1); |
501 |
< |
assertEquals(s1.nexts, 20); |
502 |
< |
assertEquals(s1.completes, 1); |
499 |
> |
assertEquals(20, s2.nexts); |
500 |
> |
assertEquals(1, s2.completes); |
501 |
> |
assertEquals(20, s1.nexts); |
502 |
> |
assertEquals(1, s1.completes); |
503 |
|
} |
504 |
|
|
505 |
|
/** |
517 |
|
p.submit(1); |
518 |
|
p.submit(2); |
519 |
|
s2.awaitNext(1); |
520 |
< |
assertEquals(s1.nexts, 0); |
520 |
> |
assertEquals(0, s1.nexts); |
521 |
|
s1.sn.request(3); |
522 |
|
p.submit(3); |
523 |
|
p.close(); |
524 |
|
s2.awaitComplete(); |
525 |
< |
assertEquals(s2.nexts, 3); |
526 |
< |
assertEquals(s2.completes, 1); |
525 |
> |
assertEquals(3, s2.nexts); |
526 |
> |
assertEquals(1, s2.completes); |
527 |
|
s1.awaitComplete(); |
528 |
|
assertTrue(s1.nexts > 0); |
529 |
< |
assertEquals(s1.completes, 1); |
529 |
> |
assertEquals(1, s1.completes); |
530 |
|
} |
531 |
|
|
532 |
|
/** |
545 |
|
p.submit(2); |
546 |
|
p.close(); |
547 |
|
s2.awaitComplete(); |
548 |
< |
assertEquals(s2.nexts, 2); |
549 |
< |
assertEquals(s2.completes, 1); |
548 |
> |
assertEquals(2, s2.nexts); |
549 |
> |
assertEquals(1, s2.completes); |
550 |
|
s1.awaitNext(1); |
551 |
< |
assertEquals(s1.nexts, 1); |
551 |
> |
assertEquals(1, s1.nexts); |
552 |
|
} |
553 |
|
|
554 |
|
/** |
567 |
|
p.submit(2); |
568 |
|
p.close(); |
569 |
|
s2.awaitComplete(); |
570 |
< |
assertEquals(s2.nexts, 2); |
571 |
< |
assertEquals(s2.completes, 1); |
570 |
> |
assertEquals(2, s2.nexts); |
571 |
> |
assertEquals(1, s2.completes); |
572 |
|
s1.awaitError(); |
573 |
< |
assertEquals(s1.errors, 1); |
573 |
> |
assertEquals(1, s1.errors); |
574 |
|
assertTrue(s1.lastError instanceof IllegalArgumentException); |
575 |
|
} |
576 |
|
|
584 |
|
s.request = false; |
585 |
|
p.subscribe(s); |
586 |
|
s.awaitSubscribe(); |
587 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
587 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
588 |
|
s.sn.request(1); |
589 |
< |
assertEquals(p.estimateMinimumDemand(), 1); |
589 |
> |
assertEquals(1, p.estimateMinimumDemand()); |
590 |
|
p.submit(1); |
591 |
|
s.awaitNext(1); |
592 |
< |
assertEquals(p.estimateMinimumDemand(), 0); |
592 |
> |
assertEquals(0, p.estimateMinimumDemand()); |
593 |
|
} |
594 |
|
|
595 |
|
/** |
596 |
< |
* Submit to a publisher with no subscribers returns lag 0 |
596 |
> |
* submit to a publisher with no subscribers returns lag 0 |
597 |
|
*/ |
598 |
|
public void testEmptySubmit() { |
599 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
600 |
< |
assertEquals(p.submit(1), 0); |
600 |
> |
assertEquals(0, p.submit(1)); |
601 |
|
} |
602 |
|
|
603 |
|
/** |
604 |
< |
* Submit(null) throws NPE |
604 |
> |
* submit(null) throws NPE |
605 |
|
*/ |
606 |
|
public void testNullSubmit() { |
607 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
608 |
|
try { |
609 |
|
p.submit(null); |
610 |
< |
} catch (NullPointerException success) { |
611 |
< |
} |
610 |
> |
shouldThrow(); |
611 |
> |
} catch (NullPointerException success) {} |
612 |
|
} |
613 |
|
|
614 |
|
/** |
615 |
< |
* Submit returns number of lagged items, compatible with result |
615 |
> |
* submit returns number of lagged items, compatible with result |
616 |
|
* of estimateMaximumLag. |
617 |
|
*/ |
618 |
|
public void testLaggedSubmit() { |
625 |
|
p.subscribe(s2); |
626 |
|
s2.awaitSubscribe(); |
627 |
|
s1.awaitSubscribe(); |
628 |
< |
assertEquals(p.submit(1), 1); |
628 |
> |
assertEquals(1, p.submit(1)); |
629 |
|
assertTrue(p.estimateMaximumLag() >= 1); |
630 |
|
assertTrue(p.submit(2) >= 2); |
631 |
|
assertTrue(p.estimateMaximumLag() >= 2); |
636 |
|
p.submit(4); |
637 |
|
p.close(); |
638 |
|
s2.awaitComplete(); |
639 |
< |
assertEquals(s2.nexts, 4); |
639 |
> |
assertEquals(4, s2.nexts); |
640 |
|
s1.awaitComplete(); |
641 |
< |
assertEquals(s2.nexts, 4); |
641 |
> |
assertEquals(4, s2.nexts); |
642 |
|
} |
643 |
|
|
644 |
|
/** |
658 |
|
p.close(); |
659 |
|
s2.awaitComplete(); |
660 |
|
s1.awaitComplete(); |
661 |
< |
assertEquals(s2.nexts, 20); |
662 |
< |
assertEquals(s2.completes, 1); |
663 |
< |
assertEquals(s1.nexts, 20); |
664 |
< |
assertEquals(s1.completes, 1); |
661 |
> |
assertEquals(20, s2.nexts); |
662 |
> |
assertEquals(1, s2.completes); |
663 |
> |
assertEquals(20, s1.nexts); |
664 |
> |
assertEquals(1, s1.completes); |
665 |
|
} |
666 |
< |
|
666 |
> |
|
667 |
|
static boolean noopHandle(AtomicInteger count) { |
668 |
|
count.getAndIncrement(); |
669 |
|
return false; |
676 |
|
} |
677 |
|
|
678 |
|
/** |
679 |
< |
* Offer to a publisher with no subscribers returns lag 0 |
679 |
> |
* offer to a publisher with no subscribers returns lag 0 |
680 |
|
*/ |
681 |
|
public void testEmptyOffer() { |
682 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
683 |
< |
assertEquals(p.offer(1, null), 0); |
683 |
> |
assertEquals(0, p.offer(1, null)); |
684 |
|
} |
685 |
|
|
686 |
|
/** |
687 |
< |
* Offer(null) throws NPE |
687 |
> |
* offer(null) throws NPE |
688 |
|
*/ |
689 |
|
public void testNullOffer() { |
690 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
691 |
|
try { |
692 |
|
p.offer(null, null); |
693 |
< |
} catch (NullPointerException success) { |
694 |
< |
} |
693 |
> |
shouldThrow(); |
694 |
> |
} catch (NullPointerException success) {} |
695 |
|
} |
696 |
|
|
697 |
|
/** |
698 |
< |
* Offer returns number of lagged items if not saturated |
698 |
> |
* offer returns number of lagged items if not saturated |
699 |
|
*/ |
700 |
|
public void testLaggedOffer() { |
701 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
715 |
|
p.offer(4, null); |
716 |
|
p.close(); |
717 |
|
s2.awaitComplete(); |
718 |
< |
assertEquals(s2.nexts, 4); |
718 |
> |
assertEquals(4, s2.nexts); |
719 |
|
s1.awaitComplete(); |
720 |
< |
assertEquals(s2.nexts, 4); |
720 |
> |
assertEquals(4, s2.nexts); |
721 |
|
} |
722 |
|
|
723 |
|
/** |
724 |
< |
* Offer reports drops if saturated |
724 |
> |
* offer reports drops if saturated |
725 |
|
*/ |
726 |
|
public void testDroppedOffer() { |
727 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>( |
749 |
|
} |
750 |
|
|
751 |
|
/** |
752 |
< |
* Offer invokes drop handler if saturated |
752 |
> |
* offer invokes drop handler if saturated |
753 |
|
*/ |
754 |
|
public void testHandledDroppedOffer() { |
755 |
|
AtomicInteger calls = new AtomicInteger(); |
776 |
|
assertTrue(calls.get() >= 4); |
777 |
|
} |
778 |
|
|
784 |
– |
|
779 |
|
/** |
780 |
< |
* Offer succeeds if drop handler forces request |
780 |
> |
* offer succeeds if drop handler forces request |
781 |
|
*/ |
782 |
|
public void testRecoveredHandledDroppedOffer() { |
783 |
|
AtomicInteger calls = new AtomicInteger(); |
799 |
|
p.close(); |
800 |
|
s2.awaitComplete(); |
801 |
|
s1.awaitComplete(); |
802 |
< |
assertEquals(s1.nexts + s2.nexts, n); |
802 |
> |
assertEquals(n, s1.nexts + s2.nexts); |
803 |
|
assertTrue(calls.get() >= 2); |
804 |
|
} |
805 |
|
|
812 |
– |
|
806 |
|
/** |
807 |
< |
* TimedOffer to a publisher with no subscribers returns lag 0 |
807 |
> |
* Timed offer to a publisher with no subscribers returns lag 0 |
808 |
|
*/ |
809 |
|
public void testEmptyTimedOffer() { |
810 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
811 |
< |
assertEquals(p.offer(1, null), 0); |
811 |
> |
long startTime = System.nanoTime(); |
812 |
> |
assertEquals(0, p.offer(1, LONG_DELAY_MS, MILLISECONDS, null)); |
813 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
814 |
|
} |
815 |
|
|
816 |
|
/** |
817 |
< |
* Timed Offer with null item or TimeUnit throws NPE |
817 |
> |
* Timed offer with null item or TimeUnit throws NPE |
818 |
|
*/ |
819 |
|
public void testNullTimedOffer() { |
820 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
821 |
+ |
long startTime = System.nanoTime(); |
822 |
|
try { |
823 |
< |
p.offer(null, SHORT_DELAY_MS, MILLISECONDS, null); |
824 |
< |
} catch (NullPointerException success) { |
825 |
< |
} |
823 |
> |
p.offer(null, LONG_DELAY_MS, MILLISECONDS, null); |
824 |
> |
shouldThrow(); |
825 |
> |
} catch (NullPointerException success) {} |
826 |
|
try { |
827 |
< |
p.offer(1, SHORT_DELAY_MS, null, null); |
828 |
< |
} catch (NullPointerException success) { |
829 |
< |
} |
827 |
> |
p.offer(1, LONG_DELAY_MS, null, null); |
828 |
> |
shouldThrow(); |
829 |
> |
} catch (NullPointerException success) {} |
830 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
831 |
|
} |
832 |
|
|
833 |
|
/** |
834 |
< |
* Timed Offer returns number of lagged items if not saturated |
834 |
> |
* Timed offer returns number of lagged items if not saturated |
835 |
|
*/ |
836 |
|
public void testLaggedTimedOffer() { |
837 |
|
SubmissionPublisher<Integer> p = basicPublisher(); |
843 |
|
p.subscribe(s2); |
844 |
|
s2.awaitSubscribe(); |
845 |
|
s1.awaitSubscribe(); |
846 |
< |
assertTrue(p.offer(1, SHORT_DELAY_MS, MILLISECONDS, null) >= 1); |
847 |
< |
assertTrue(p.offer(2, SHORT_DELAY_MS, MILLISECONDS, null) >= 2); |
846 |
> |
long startTime = System.nanoTime(); |
847 |
> |
assertTrue(p.offer(1, LONG_DELAY_MS, MILLISECONDS, null) >= 1); |
848 |
> |
assertTrue(p.offer(2, LONG_DELAY_MS, MILLISECONDS, null) >= 2); |
849 |
|
s1.sn.request(4); |
850 |
< |
assertTrue(p.offer(3, SHORT_DELAY_MS, MILLISECONDS, null) >= 3); |
850 |
> |
assertTrue(p.offer(3, LONG_DELAY_MS, MILLISECONDS, null) >= 3); |
851 |
|
s2.sn.request(4); |
852 |
< |
p.offer(4, SHORT_DELAY_MS, MILLISECONDS, null); |
852 |
> |
p.offer(4, LONG_DELAY_MS, MILLISECONDS, null); |
853 |
|
p.close(); |
854 |
|
s2.awaitComplete(); |
855 |
< |
assertEquals(s2.nexts, 4); |
855 |
> |
assertEquals(4, s2.nexts); |
856 |
|
s1.awaitComplete(); |
857 |
< |
assertEquals(s2.nexts, 4); |
857 |
> |
assertEquals(4, s2.nexts); |
858 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
859 |
|
} |
860 |
|
|
861 |
|
/** |
862 |
< |
* Timed Offer reports drops if saturated |
862 |
> |
* Timed offer reports drops if saturated |
863 |
|
*/ |
864 |
|
public void testDroppedTimedOffer() { |
865 |
|
SubmissionPublisher<Integer> p = new SubmissionPublisher<Integer>( |
872 |
|
p.subscribe(s2); |
873 |
|
s2.awaitSubscribe(); |
874 |
|
s1.awaitSubscribe(); |
875 |
+ |
long delay = timeoutMillis(); |
876 |
|
for (int i = 1; i <= 4; ++i) |
877 |
< |
assertTrue(p.offer(i, SHORT_DELAY_MS, MILLISECONDS, null) >= 0); |
878 |
< |
p.offer(5, SHORT_DELAY_MS, MILLISECONDS, null); |
879 |
< |
assertTrue(p.offer(6, SHORT_DELAY_MS, MILLISECONDS, null) < 0); |
877 |
> |
assertTrue(p.offer(i, delay, MILLISECONDS, null) >= 0); |
878 |
> |
long startTime = System.nanoTime(); |
879 |
> |
assertTrue(p.offer(5, delay, MILLISECONDS, null) < 0); |
880 |
|
s1.sn.request(64); |
881 |
< |
assertTrue(p.offer(7, SHORT_DELAY_MS, MILLISECONDS, null) < 0); |
881 |
> |
assertTrue(p.offer(6, delay, MILLISECONDS, null) < 0); |
882 |
> |
// 2 * delay should elapse but check only 1 * delay to allow timer slop |
883 |
> |
assertTrue(millisElapsedSince(startTime) >= delay); |
884 |
|
s2.sn.request(64); |
885 |
|
p.close(); |
886 |
|
s2.awaitComplete(); |
890 |
|
} |
891 |
|
|
892 |
|
/** |
893 |
< |
* Timed Offer invokes drop handler if saturated |
893 |
> |
* Timed offer invokes drop handler if saturated |
894 |
|
*/ |
895 |
|
public void testHandledDroppedTimedOffer() { |
896 |
|
AtomicInteger calls = new AtomicInteger(); |
904 |
|
p.subscribe(s2); |
905 |
|
s2.awaitSubscribe(); |
906 |
|
s1.awaitSubscribe(); |
907 |
+ |
long delay = timeoutMillis(); |
908 |
|
for (int i = 1; i <= 4; ++i) |
909 |
< |
assertTrue(p.offer(i, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) >= 0); |
910 |
< |
p.offer(5, (s, x) -> noopHandle(calls)); |
911 |
< |
assertTrue(p.offer(6, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
909 |
> |
assertTrue(p.offer(i, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) >= 0); |
910 |
> |
long startTime = System.nanoTime(); |
911 |
> |
assertTrue(p.offer(5, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
912 |
|
s1.sn.request(64); |
913 |
< |
assertTrue(p.offer(7, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
913 |
> |
assertTrue(p.offer(6, delay, MILLISECONDS, (s, x) -> noopHandle(calls)) < 0); |
914 |
> |
assertTrue(millisElapsedSince(startTime) >= delay); |
915 |
|
s2.sn.request(64); |
916 |
|
p.close(); |
917 |
|
s2.awaitComplete(); |
920 |
|
} |
921 |
|
|
922 |
|
/** |
923 |
< |
* Timed Offer succeeds if drop handler forces request |
923 |
> |
* Timed offer succeeds if drop handler forces request |
924 |
|
*/ |
925 |
|
public void testRecoveredHandledDroppedTimedOffer() { |
926 |
|
AtomicInteger calls = new AtomicInteger(); |
935 |
|
s2.awaitSubscribe(); |
936 |
|
s1.awaitSubscribe(); |
937 |
|
int n = 0; |
938 |
< |
for (int i = 1; i <= 8; ++i) { |
939 |
< |
int d = p.offer(i, SHORT_DELAY_MS, MILLISECONDS, (s, x) -> reqHandle(calls, s)); |
938 |
> |
long delay = timeoutMillis(); |
939 |
> |
long startTime = System.nanoTime(); |
940 |
> |
for (int i = 1; i <= 6; ++i) { |
941 |
> |
int d = p.offer(i, delay, MILLISECONDS, (s, x) -> reqHandle(calls, s)); |
942 |
|
n = n + 2 + (d < 0 ? d : 0); |
943 |
|
} |
944 |
+ |
assertTrue(millisElapsedSince(startTime) >= delay); |
945 |
|
p.close(); |
946 |
|
s2.awaitComplete(); |
947 |
|
s1.awaitComplete(); |
948 |
< |
assertEquals(s1.nexts + s2.nexts, n); |
948 |
> |
assertEquals(n, s1.nexts + s2.nexts); |
949 |
|
assertTrue(calls.get() >= 2); |
950 |
|
} |
951 |
|
|
952 |
+ |
/** |
953 |
+ |
* consume returns a CompletableFuture that is done when |
954 |
+ |
* publisher completes |
955 |
+ |
*/ |
956 |
+ |
public void testConsume() { |
957 |
+ |
AtomicInteger sum = new AtomicInteger(); |
958 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
959 |
+ |
CompletableFuture<Void> f = |
960 |
+ |
p.consume((Integer x) -> { sum.getAndAdd(x.intValue()); }); |
961 |
+ |
int n = 20; |
962 |
+ |
for (int i = 1; i <= n; ++i) |
963 |
+ |
p.submit(i); |
964 |
+ |
p.close(); |
965 |
+ |
f.join(); |
966 |
+ |
assertEquals((n * (n + 1)) / 2, sum.get()); |
967 |
+ |
} |
968 |
+ |
|
969 |
+ |
/** |
970 |
+ |
* consume(null) throws NPE |
971 |
+ |
*/ |
972 |
+ |
public void testConsumeNPE() { |
973 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
974 |
+ |
try { |
975 |
+ |
CompletableFuture<Void> f = p.consume(null); |
976 |
+ |
shouldThrow(); |
977 |
+ |
} catch (NullPointerException success) {} |
978 |
+ |
} |
979 |
+ |
|
980 |
+ |
/** |
981 |
+ |
* consume eventually stops processing published items if cancelled |
982 |
+ |
*/ |
983 |
+ |
public void testCancelledConsume() { |
984 |
+ |
AtomicInteger count = new AtomicInteger(); |
985 |
+ |
SubmissionPublisher<Integer> p = basicPublisher(); |
986 |
+ |
CompletableFuture<Void> f = p.consume(x -> count.getAndIncrement()); |
987 |
+ |
f.cancel(true); |
988 |
+ |
int n = 1000000; // arbitrary limit |
989 |
+ |
for (int i = 1; i <= n; ++i) |
990 |
+ |
p.submit(i); |
991 |
+ |
assertTrue(count.get() < n); |
992 |
+ |
} |
993 |
|
|
994 |
|
} |