6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
< |
import junit.framework.*; |
9 |
> |
import static java.util.concurrent.TimeUnit.DAYS; |
10 |
> |
import static java.util.concurrent.TimeUnit.HOURS; |
11 |
> |
import static java.util.concurrent.TimeUnit.MICROSECONDS; |
12 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
13 |
> |
import static java.util.concurrent.TimeUnit.MINUTES; |
14 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
15 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
16 |
> |
|
17 |
|
import java.util.concurrent.CountDownLatch; |
18 |
|
import java.util.concurrent.TimeUnit; |
19 |
< |
import static java.util.concurrent.TimeUnit.*; |
19 |
> |
|
20 |
> |
import junit.framework.Test; |
21 |
> |
import junit.framework.TestSuite; |
22 |
|
|
23 |
|
public class TimeUnitTest extends JSR166TestCase { |
24 |
|
public static void main(String[] args) { |
25 |
< |
junit.textui.TestRunner.run(suite()); |
25 |
> |
main(suite(), args); |
26 |
|
} |
27 |
|
|
28 |
|
public static Test suite() { |
96 |
|
assertEquals(t, |
97 |
|
NANOSECONDS.convert(t, NANOSECONDS)); |
98 |
|
} |
99 |
+ |
|
100 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
101 |
+ |
long[] zs = { |
102 |
+ |
0, 1, -1, |
103 |
+ |
Integer.MAX_VALUE, Integer.MIN_VALUE, |
104 |
+ |
Long.MAX_VALUE, Long.MIN_VALUE, |
105 |
+ |
}; |
106 |
+ |
for (long z : zs) assertEquals(z, x.convert(z, x)); |
107 |
+ |
} |
108 |
|
} |
109 |
|
|
110 |
|
/** |
289 |
|
NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS)); |
290 |
|
assertEquals(Long.MIN_VALUE, |
291 |
|
NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS)); |
292 |
+ |
|
293 |
+ |
for (TimeUnit x : TimeUnit.values()) |
294 |
+ |
for (TimeUnit y : TimeUnit.values()) { |
295 |
+ |
long ratio = x.toNanos(1) / y.toNanos(1); |
296 |
+ |
if (ratio >= 1) { |
297 |
+ |
assertEquals(ratio, y.convert(1, x)); |
298 |
+ |
assertEquals(1, x.convert(ratio, y)); |
299 |
+ |
long max = Long.MAX_VALUE/ratio; |
300 |
+ |
assertEquals(max * ratio, y.convert(max, x)); |
301 |
+ |
assertEquals(-max * ratio, y.convert(-max, x)); |
302 |
+ |
assertEquals(max, x.convert(max * ratio, y)); |
303 |
+ |
assertEquals(-max, x.convert(-max * ratio, y)); |
304 |
+ |
if (max < Long.MAX_VALUE) { |
305 |
+ |
assertEquals(Long.MAX_VALUE, y.convert(max + 1, x)); |
306 |
+ |
assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x)); |
307 |
+ |
assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x)); |
308 |
+ |
} |
309 |
+ |
assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x)); |
310 |
+ |
assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x)); |
311 |
+ |
} |
312 |
+ |
} |
313 |
|
} |
314 |
|
|
315 |
|
/** |
321 |
|
MILLISECONDS.toNanos(Long.MAX_VALUE / 2)); |
322 |
|
assertEquals(Long.MIN_VALUE, |
323 |
|
MILLISECONDS.toNanos(-Long.MAX_VALUE / 3)); |
324 |
+ |
|
325 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
326 |
+ |
long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1); |
327 |
+ |
if (ratio >= 1) { |
328 |
+ |
long max = Long.MAX_VALUE/ratio; |
329 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
330 |
+ |
assertEquals(z * ratio, x.toNanos(z)); |
331 |
+ |
if (max < Long.MAX_VALUE) { |
332 |
+ |
assertEquals(Long.MAX_VALUE, x.toNanos(max + 1)); |
333 |
+ |
assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1)); |
334 |
+ |
assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1)); |
335 |
+ |
} |
336 |
+ |
assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE)); |
337 |
+ |
assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE)); |
338 |
+ |
if (max < Integer.MAX_VALUE) { |
339 |
+ |
assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE)); |
340 |
+ |
assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE)); |
341 |
+ |
} |
342 |
+ |
} |
343 |
+ |
} |
344 |
+ |
} |
345 |
+ |
|
346 |
+ |
/** |
347 |
+ |
* toMicros saturates positive too-large values to Long.MAX_VALUE |
348 |
+ |
* and negative to LONG.MIN_VALUE |
349 |
+ |
*/ |
350 |
+ |
public void testToMicrosSaturate() { |
351 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
352 |
+ |
long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1); |
353 |
+ |
if (ratio >= 1) { |
354 |
+ |
long max = Long.MAX_VALUE/ratio; |
355 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
356 |
+ |
assertEquals(z * ratio, x.toMicros(z)); |
357 |
+ |
if (max < Long.MAX_VALUE) { |
358 |
+ |
assertEquals(Long.MAX_VALUE, x.toMicros(max + 1)); |
359 |
+ |
assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1)); |
360 |
+ |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1)); |
361 |
+ |
} |
362 |
+ |
assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE)); |
363 |
+ |
assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE)); |
364 |
+ |
if (max < Integer.MAX_VALUE) { |
365 |
+ |
assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE)); |
366 |
+ |
assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE)); |
367 |
+ |
} |
368 |
+ |
} |
369 |
+ |
} |
370 |
+ |
} |
371 |
+ |
|
372 |
+ |
/** |
373 |
+ |
* toMillis saturates positive too-large values to Long.MAX_VALUE |
374 |
+ |
* and negative to LONG.MIN_VALUE |
375 |
+ |
*/ |
376 |
+ |
public void testToMillisSaturate() { |
377 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
378 |
+ |
long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1); |
379 |
+ |
if (ratio >= 1) { |
380 |
+ |
long max = Long.MAX_VALUE/ratio; |
381 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
382 |
+ |
assertEquals(z * ratio, x.toMillis(z)); |
383 |
+ |
if (max < Long.MAX_VALUE) { |
384 |
+ |
assertEquals(Long.MAX_VALUE, x.toMillis(max + 1)); |
385 |
+ |
assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1)); |
386 |
+ |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1)); |
387 |
+ |
} |
388 |
+ |
assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE)); |
389 |
+ |
assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE)); |
390 |
+ |
if (max < Integer.MAX_VALUE) { |
391 |
+ |
assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE)); |
392 |
+ |
assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE)); |
393 |
+ |
} |
394 |
+ |
} |
395 |
+ |
} |
396 |
+ |
} |
397 |
+ |
|
398 |
+ |
/** |
399 |
+ |
* toSeconds saturates positive too-large values to Long.MAX_VALUE |
400 |
+ |
* and negative to LONG.MIN_VALUE |
401 |
+ |
*/ |
402 |
+ |
public void testToSecondsSaturate() { |
403 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
404 |
+ |
long ratio = x.toNanos(1) / SECONDS.toNanos(1); |
405 |
+ |
if (ratio >= 1) { |
406 |
+ |
long max = Long.MAX_VALUE/ratio; |
407 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
408 |
+ |
assertEquals(z * ratio, x.toSeconds(z)); |
409 |
+ |
if (max < Long.MAX_VALUE) { |
410 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1)); |
411 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1)); |
412 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1)); |
413 |
+ |
} |
414 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE)); |
415 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE)); |
416 |
+ |
if (max < Integer.MAX_VALUE) { |
417 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE)); |
418 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE)); |
419 |
+ |
} |
420 |
+ |
} |
421 |
+ |
} |
422 |
+ |
} |
423 |
+ |
|
424 |
+ |
/** |
425 |
+ |
* toMinutes saturates positive too-large values to Long.MAX_VALUE |
426 |
+ |
* and negative to LONG.MIN_VALUE |
427 |
+ |
*/ |
428 |
+ |
public void testToMinutesSaturate() { |
429 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
430 |
+ |
long ratio = x.toNanos(1) / MINUTES.toNanos(1); |
431 |
+ |
if (ratio > 1) { |
432 |
+ |
long max = Long.MAX_VALUE/ratio; |
433 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
434 |
+ |
assertEquals(z * ratio, x.toMinutes(z)); |
435 |
+ |
assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1)); |
436 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1)); |
437 |
+ |
assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE)); |
438 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE)); |
439 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1)); |
440 |
+ |
} |
441 |
+ |
} |
442 |
+ |
} |
443 |
+ |
|
444 |
+ |
/** |
445 |
+ |
* toHours saturates positive too-large values to Long.MAX_VALUE |
446 |
+ |
* and negative to LONG.MIN_VALUE |
447 |
+ |
*/ |
448 |
+ |
public void testToHoursSaturate() { |
449 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
450 |
+ |
long ratio = x.toNanos(1) / HOURS.toNanos(1); |
451 |
+ |
if (ratio >= 1) { |
452 |
+ |
long max = Long.MAX_VALUE/ratio; |
453 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
454 |
+ |
assertEquals(z * ratio, x.toHours(z)); |
455 |
+ |
if (max < Long.MAX_VALUE) { |
456 |
+ |
assertEquals(Long.MAX_VALUE, x.toHours(max + 1)); |
457 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(-max - 1)); |
458 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1)); |
459 |
+ |
} |
460 |
+ |
assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE)); |
461 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE)); |
462 |
+ |
} |
463 |
+ |
} |
464 |
|
} |
465 |
|
|
466 |
|
/** |
467 |
|
* toString returns name of unit |
468 |
|
*/ |
469 |
|
public void testToString() { |
470 |
+ |
assertEquals("NANOSECONDS", NANOSECONDS.toString()); |
471 |
+ |
assertEquals("MICROSECONDS", MICROSECONDS.toString()); |
472 |
+ |
assertEquals("MILLISECONDS", MILLISECONDS.toString()); |
473 |
|
assertEquals("SECONDS", SECONDS.toString()); |
474 |
+ |
assertEquals("MINUTES", MINUTES.toString()); |
475 |
+ |
assertEquals("HOURS", HOURS.toString()); |
476 |
+ |
assertEquals("DAYS", DAYS.toString()); |
477 |
|
} |
478 |
|
|
479 |
|
/** |
480 |
|
* name returns name of unit |
481 |
|
*/ |
482 |
|
public void testName() { |
483 |
< |
assertEquals("SECONDS", SECONDS.name()); |
483 |
> |
for (TimeUnit x : TimeUnit.values()) |
484 |
> |
assertEquals(x.toString(), x.name()); |
485 |
|
} |
486 |
|
|
487 |
|
/** |
492 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
493 |
|
public void realRun() throws InterruptedException { |
494 |
|
Object o = new Object(); |
309 |
– |
TimeUnit tu = MILLISECONDS; |
310 |
– |
|
495 |
|
try { |
496 |
< |
tu.timedWait(o, LONG_DELAY_MS); |
496 |
> |
MILLISECONDS.timedWait(o, LONGER_DELAY_MS); |
497 |
|
threadShouldThrow(); |
498 |
|
} catch (IllegalMonitorStateException success) {} |
499 |
|
}}); |
509 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
510 |
|
public void realRun() throws InterruptedException { |
511 |
|
Object o = new Object(); |
328 |
– |
TimeUnit tu = MILLISECONDS; |
512 |
|
|
513 |
|
Thread.currentThread().interrupt(); |
514 |
|
try { |
515 |
|
synchronized (o) { |
516 |
< |
tu.timedWait(o, LONG_DELAY_MS); |
516 |
> |
MILLISECONDS.timedWait(o, LONGER_DELAY_MS); |
517 |
|
} |
518 |
|
shouldThrow(); |
519 |
|
} catch (InterruptedException success) {} |
522 |
|
pleaseInterrupt.countDown(); |
523 |
|
try { |
524 |
|
synchronized (o) { |
525 |
< |
tu.timedWait(o, LONG_DELAY_MS); |
525 |
> |
MILLISECONDS.timedWait(o, LONGER_DELAY_MS); |
526 |
|
} |
527 |
|
shouldThrow(); |
528 |
|
} catch (InterruptedException success) {} |
530 |
|
}}); |
531 |
|
|
532 |
|
await(pleaseInterrupt); |
533 |
< |
assertThreadStaysAlive(t); |
533 |
> |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
534 |
|
t.interrupt(); |
535 |
|
awaitTermination(t); |
536 |
|
} |
542 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
543 |
|
final Thread s = newStartedThread(new CheckedInterruptedRunnable() { |
544 |
|
public void realRun() throws InterruptedException { |
545 |
< |
Thread.sleep(LONG_DELAY_MS); |
545 |
> |
Thread.sleep(LONGER_DELAY_MS); |
546 |
|
}}); |
547 |
|
final Thread t = newStartedThread(new CheckedRunnable() { |
548 |
|
public void realRun() throws InterruptedException { |
366 |
– |
TimeUnit tu = MILLISECONDS; |
549 |
|
Thread.currentThread().interrupt(); |
550 |
|
try { |
551 |
< |
tu.timedJoin(s, LONG_DELAY_MS); |
551 |
> |
MILLISECONDS.timedJoin(s, LONGER_DELAY_MS); |
552 |
|
shouldThrow(); |
553 |
|
} catch (InterruptedException success) {} |
554 |
|
assertFalse(Thread.interrupted()); |
555 |
|
|
556 |
|
pleaseInterrupt.countDown(); |
557 |
|
try { |
558 |
< |
tu.timedJoin(s, LONG_DELAY_MS); |
558 |
> |
MILLISECONDS.timedJoin(s, LONGER_DELAY_MS); |
559 |
|
shouldThrow(); |
560 |
|
} catch (InterruptedException success) {} |
561 |
|
assertFalse(Thread.interrupted()); |
562 |
|
}}); |
563 |
|
|
564 |
|
await(pleaseInterrupt); |
565 |
< |
assertThreadStaysAlive(t); |
565 |
> |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
566 |
|
t.interrupt(); |
567 |
|
awaitTermination(t); |
568 |
|
s.interrupt(); |
570 |
|
} |
571 |
|
|
572 |
|
/** |
573 |
< |
* timedSleep throws InterruptedException when interrupted |
573 |
> |
* timeUnit.sleep throws InterruptedException when interrupted |
574 |
|
*/ |
575 |
|
public void testTimedSleep_Interruptible() { |
576 |
|
final CountDownLatch pleaseInterrupt = new CountDownLatch(1); |
577 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
578 |
|
public void realRun() throws InterruptedException { |
397 |
– |
TimeUnit tu = MILLISECONDS; |
579 |
|
Thread.currentThread().interrupt(); |
580 |
|
try { |
581 |
< |
tu.sleep(LONG_DELAY_MS); |
581 |
> |
MILLISECONDS.sleep(LONGER_DELAY_MS); |
582 |
|
shouldThrow(); |
583 |
|
} catch (InterruptedException success) {} |
584 |
|
assertFalse(Thread.interrupted()); |
585 |
|
|
586 |
|
pleaseInterrupt.countDown(); |
587 |
|
try { |
588 |
< |
tu.sleep(LONG_DELAY_MS); |
588 |
> |
MILLISECONDS.sleep(LONGER_DELAY_MS); |
589 |
|
shouldThrow(); |
590 |
|
} catch (InterruptedException success) {} |
591 |
|
assertFalse(Thread.interrupted()); |
592 |
|
}}); |
593 |
|
|
594 |
|
await(pleaseInterrupt); |
595 |
< |
assertThreadStaysAlive(t); |
595 |
> |
if (randomBoolean()) assertThreadBlocks(t, Thread.State.TIMED_WAITING); |
596 |
|
t.interrupt(); |
597 |
|
awaitTermination(t); |
598 |
|
} |
599 |
|
|
600 |
|
/** |
601 |
< |
* a deserialized serialized unit is the same instance |
601 |
> |
* timeUnit.sleep(x) for x <= 0 does not sleep at all. |
602 |
> |
*/ |
603 |
> |
public void testTimedSleep_nonPositive() throws InterruptedException { |
604 |
> |
boolean interrupt = randomBoolean(); |
605 |
> |
if (interrupt) Thread.currentThread().interrupt(); |
606 |
> |
randomTimeUnit().sleep(0L); |
607 |
> |
randomTimeUnit().sleep(-1L); |
608 |
> |
randomTimeUnit().sleep(Long.MIN_VALUE); |
609 |
> |
if (interrupt) assertTrue(Thread.interrupted()); |
610 |
> |
} |
611 |
> |
|
612 |
> |
/** |
613 |
> |
* a deserialized/reserialized unit is the same instance |
614 |
|
*/ |
615 |
|
public void testSerialization() throws Exception { |
616 |
< |
TimeUnit x = MILLISECONDS; |
617 |
< |
assertSame(x, serialClone(x)); |
616 |
> |
for (TimeUnit x : TimeUnit.values()) |
617 |
> |
assertSame(x, serialClone(x)); |
618 |
|
} |
619 |
|
|
620 |
|
} |