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* Pat Fisher, Mike Judd. |
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*/ |
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|
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< |
import junit.framework.*; |
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import static java.util.concurrent.TimeUnit.DAYS; |
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import static java.util.concurrent.TimeUnit.HOURS; |
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import static java.util.concurrent.TimeUnit.MICROSECONDS; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.MINUTES; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
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import java.time.temporal.ChronoUnit; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.TimeUnit; |
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import static java.util.concurrent.TimeUnit.*; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class TimeUnitTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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|
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public static Test suite() { |
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assertEquals(t, |
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NANOSECONDS.convert(t, NANOSECONDS)); |
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} |
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|
101 |
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for (TimeUnit x : TimeUnit.values()) { |
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long[] zs = { |
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0, 1, -1, |
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Integer.MAX_VALUE, Integer.MIN_VALUE, |
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Long.MAX_VALUE, Long.MIN_VALUE, |
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}; |
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for (long z : zs) assertEquals(z, x.convert(z, x)); |
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} |
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} |
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|
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/** |
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NANOSECONDS.convert(Long.MAX_VALUE / 2, DAYS)); |
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assertEquals(Long.MIN_VALUE, |
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NANOSECONDS.convert(-Long.MAX_VALUE / 4, DAYS)); |
293 |
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|
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for (TimeUnit x : TimeUnit.values()) |
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for (TimeUnit y : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / y.toNanos(1); |
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if (ratio >= 1) { |
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assertEquals(ratio, y.convert(1, x)); |
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assertEquals(1, x.convert(ratio, y)); |
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long max = Long.MAX_VALUE/ratio; |
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assertEquals(max * ratio, y.convert(max, x)); |
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assertEquals(-max * ratio, y.convert(-max, x)); |
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assertEquals(max, x.convert(max * ratio, y)); |
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assertEquals(-max, x.convert(-max * ratio, y)); |
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if (max < Long.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, y.convert(max + 1, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(-max - 1, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE + 1, x)); |
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} |
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assertEquals(Long.MAX_VALUE, y.convert(Long.MAX_VALUE, x)); |
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assertEquals(Long.MIN_VALUE, y.convert(Long.MIN_VALUE, x)); |
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} |
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} |
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} |
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|
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/** |
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MILLISECONDS.toNanos(Long.MAX_VALUE / 2)); |
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assertEquals(Long.MIN_VALUE, |
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MILLISECONDS.toNanos(-Long.MAX_VALUE / 3)); |
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|
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for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / NANOSECONDS.toNanos(1); |
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if (ratio >= 1) { |
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long max = Long.MAX_VALUE/ratio; |
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for (long z : new long[] {0, 1, -1, max, -max}) |
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assertEquals(z * ratio, x.toNanos(z)); |
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if (max < Long.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toNanos(max + 1)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(-max - 1)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE + 1)); |
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} |
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assertEquals(Long.MAX_VALUE, x.toNanos(Long.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Long.MIN_VALUE)); |
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if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toNanos(Integer.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toNanos(Integer.MIN_VALUE)); |
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} |
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} |
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} |
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} |
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|
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/** |
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* toMicros saturates positive too-large values to Long.MAX_VALUE |
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* and negative to LONG.MIN_VALUE |
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*/ |
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public void testToMicrosSaturate() { |
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for (TimeUnit x : TimeUnit.values()) { |
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long ratio = x.toNanos(1) / MICROSECONDS.toNanos(1); |
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if (ratio >= 1) { |
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long max = Long.MAX_VALUE/ratio; |
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for (long z : new long[] {0, 1, -1, max, -max}) |
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assertEquals(z * ratio, x.toMicros(z)); |
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if (max < Long.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toMicros(max + 1)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(-max - 1)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE + 1)); |
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} |
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assertEquals(Long.MAX_VALUE, x.toMicros(Long.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(Long.MIN_VALUE)); |
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if (max < Integer.MAX_VALUE) { |
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assertEquals(Long.MAX_VALUE, x.toMicros(Integer.MAX_VALUE)); |
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assertEquals(Long.MIN_VALUE, x.toMicros(Integer.MIN_VALUE)); |
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} |
369 |
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} |
370 |
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} |
371 |
+ |
} |
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|
373 |
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/** |
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* toMillis saturates positive too-large values to Long.MAX_VALUE |
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* and negative to LONG.MIN_VALUE |
376 |
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*/ |
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public void testToMillisSaturate() { |
378 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
379 |
+ |
long ratio = x.toNanos(1) / MILLISECONDS.toNanos(1); |
380 |
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if (ratio >= 1) { |
381 |
+ |
long max = Long.MAX_VALUE/ratio; |
382 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
383 |
+ |
assertEquals(z * ratio, x.toMillis(z)); |
384 |
+ |
if (max < Long.MAX_VALUE) { |
385 |
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assertEquals(Long.MAX_VALUE, x.toMillis(max + 1)); |
386 |
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assertEquals(Long.MIN_VALUE, x.toMillis(-max - 1)); |
387 |
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assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE + 1)); |
388 |
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} |
389 |
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assertEquals(Long.MAX_VALUE, x.toMillis(Long.MAX_VALUE)); |
390 |
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assertEquals(Long.MIN_VALUE, x.toMillis(Long.MIN_VALUE)); |
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if (max < Integer.MAX_VALUE) { |
392 |
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assertEquals(Long.MAX_VALUE, x.toMillis(Integer.MAX_VALUE)); |
393 |
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assertEquals(Long.MIN_VALUE, x.toMillis(Integer.MIN_VALUE)); |
394 |
+ |
} |
395 |
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} |
396 |
+ |
} |
397 |
+ |
} |
398 |
+ |
|
399 |
+ |
/** |
400 |
+ |
* toSeconds saturates positive too-large values to Long.MAX_VALUE |
401 |
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* and negative to LONG.MIN_VALUE |
402 |
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*/ |
403 |
+ |
public void testToSecondsSaturate() { |
404 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
405 |
+ |
long ratio = x.toNanos(1) / SECONDS.toNanos(1); |
406 |
+ |
if (ratio >= 1) { |
407 |
+ |
long max = Long.MAX_VALUE/ratio; |
408 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
409 |
+ |
assertEquals(z * ratio, x.toSeconds(z)); |
410 |
+ |
if (max < Long.MAX_VALUE) { |
411 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(max + 1)); |
412 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(-max - 1)); |
413 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE + 1)); |
414 |
+ |
} |
415 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(Long.MAX_VALUE)); |
416 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Long.MIN_VALUE)); |
417 |
+ |
if (max < Integer.MAX_VALUE) { |
418 |
+ |
assertEquals(Long.MAX_VALUE, x.toSeconds(Integer.MAX_VALUE)); |
419 |
+ |
assertEquals(Long.MIN_VALUE, x.toSeconds(Integer.MIN_VALUE)); |
420 |
+ |
} |
421 |
+ |
} |
422 |
+ |
} |
423 |
+ |
} |
424 |
+ |
|
425 |
+ |
/** |
426 |
+ |
* toMinutes saturates positive too-large values to Long.MAX_VALUE |
427 |
+ |
* and negative to LONG.MIN_VALUE |
428 |
+ |
*/ |
429 |
+ |
public void testToMinutesSaturate() { |
430 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
431 |
+ |
long ratio = x.toNanos(1) / MINUTES.toNanos(1); |
432 |
+ |
if (ratio > 1) { |
433 |
+ |
long max = Long.MAX_VALUE/ratio; |
434 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
435 |
+ |
assertEquals(z * ratio, x.toMinutes(z)); |
436 |
+ |
assertEquals(Long.MAX_VALUE, x.toMinutes(max + 1)); |
437 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(-max - 1)); |
438 |
+ |
assertEquals(Long.MAX_VALUE, x.toMinutes(Long.MAX_VALUE)); |
439 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE)); |
440 |
+ |
assertEquals(Long.MIN_VALUE, x.toMinutes(Long.MIN_VALUE + 1)); |
441 |
+ |
} |
442 |
+ |
} |
443 |
+ |
} |
444 |
+ |
|
445 |
+ |
/** |
446 |
+ |
* toHours saturates positive too-large values to Long.MAX_VALUE |
447 |
+ |
* and negative to LONG.MIN_VALUE |
448 |
+ |
*/ |
449 |
+ |
public void testToHoursSaturate() { |
450 |
+ |
for (TimeUnit x : TimeUnit.values()) { |
451 |
+ |
long ratio = x.toNanos(1) / HOURS.toNanos(1); |
452 |
+ |
if (ratio >= 1) { |
453 |
+ |
long max = Long.MAX_VALUE/ratio; |
454 |
+ |
for (long z : new long[] {0, 1, -1, max, -max}) |
455 |
+ |
assertEquals(z * ratio, x.toHours(z)); |
456 |
+ |
if (max < Long.MAX_VALUE) { |
457 |
+ |
assertEquals(Long.MAX_VALUE, x.toHours(max + 1)); |
458 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(-max - 1)); |
459 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE + 1)); |
460 |
+ |
} |
461 |
+ |
assertEquals(Long.MAX_VALUE, x.toHours(Long.MAX_VALUE)); |
462 |
+ |
assertEquals(Long.MIN_VALUE, x.toHours(Long.MIN_VALUE)); |
463 |
+ |
} |
464 |
+ |
} |
465 |
|
} |
466 |
|
|
467 |
|
/** |
600 |
|
* a deserialized serialized unit is the same instance |
601 |
|
*/ |
602 |
|
public void testSerialization() throws Exception { |
603 |
< |
TimeUnit x = MILLISECONDS; |
604 |
< |
assertSame(x, serialClone(x)); |
603 |
> |
for (TimeUnit x : TimeUnit.values()) |
604 |
> |
assertSame(x, serialClone(x)); |
605 |
> |
} |
606 |
> |
|
607 |
> |
/** |
608 |
> |
* tests for toChronoUnit. |
609 |
> |
*/ |
610 |
> |
public void testToChronoUnit() throws Exception { |
611 |
> |
assertSame(ChronoUnit.NANOS, NANOSECONDS.toChronoUnit()); |
612 |
> |
assertSame(ChronoUnit.MICROS, MICROSECONDS.toChronoUnit()); |
613 |
> |
assertSame(ChronoUnit.MILLIS, MILLISECONDS.toChronoUnit()); |
614 |
> |
assertSame(ChronoUnit.SECONDS, SECONDS.toChronoUnit()); |
615 |
> |
assertSame(ChronoUnit.MINUTES, MINUTES.toChronoUnit()); |
616 |
> |
assertSame(ChronoUnit.HOURS, HOURS.toChronoUnit()); |
617 |
> |
assertSame(ChronoUnit.DAYS, DAYS.toChronoUnit()); |
618 |
> |
|
619 |
> |
// Every TimeUnit has a defined ChronoUnit equivalent |
620 |
> |
for (TimeUnit x : TimeUnit.values()) |
621 |
> |
assertSame(x, TimeUnit.of(x.toChronoUnit())); |
622 |
> |
} |
623 |
> |
|
624 |
> |
/** |
625 |
> |
* tests for TimeUnit.of(ChronoUnit). |
626 |
> |
*/ |
627 |
> |
public void testTimeUnitOf() throws Exception { |
628 |
> |
assertSame(NANOSECONDS, TimeUnit.of(ChronoUnit.NANOS)); |
629 |
> |
assertSame(MICROSECONDS, TimeUnit.of(ChronoUnit.MICROS)); |
630 |
> |
assertSame(MILLISECONDS, TimeUnit.of(ChronoUnit.MILLIS)); |
631 |
> |
assertSame(SECONDS, TimeUnit.of(ChronoUnit.SECONDS)); |
632 |
> |
assertSame(MINUTES, TimeUnit.of(ChronoUnit.MINUTES)); |
633 |
> |
assertSame(HOURS, TimeUnit.of(ChronoUnit.HOURS)); |
634 |
> |
assertSame(DAYS, TimeUnit.of(ChronoUnit.DAYS)); |
635 |
> |
|
636 |
> |
assertThrows(NullPointerException.class, |
637 |
> |
() -> TimeUnit.of((ChronoUnit)null)); |
638 |
> |
|
639 |
> |
// ChronoUnits either round trip to their TimeUnit |
640 |
> |
// equivalents, or throw IllegalArgumentException. |
641 |
> |
for (ChronoUnit cu : ChronoUnit.values()) { |
642 |
> |
final TimeUnit tu; |
643 |
> |
try { |
644 |
> |
tu = TimeUnit.of(cu); |
645 |
> |
} catch (IllegalArgumentException acceptable) { |
646 |
> |
continue; |
647 |
> |
} |
648 |
> |
assertSame(cu, tu.toChronoUnit()); |
649 |
> |
} |
650 |
|
} |
651 |
|
|
652 |
|
} |