22 |
|
|
23 |
|
public class ReentrantLockTest extends JSR166TestCase { |
24 |
|
public static void main(String[] args) { |
25 |
< |
junit.textui.TestRunner.run(suite()); |
25 |
> |
main(suite(), args); |
26 |
|
} |
27 |
|
public static Test suite() { |
28 |
|
return new TestSuite(ReentrantLockTest.class); |
146 |
|
enum AwaitMethod { await, awaitTimed, awaitNanos, awaitUntil } |
147 |
|
|
148 |
|
/** |
149 |
< |
* Awaits condition using the specified AwaitMethod. |
149 |
> |
* Awaits condition "indefinitely" using the specified AwaitMethod. |
150 |
|
*/ |
151 |
|
void await(Condition c, AwaitMethod awaitMethod) |
152 |
|
throws InterruptedException { |
159 |
|
assertTrue(c.await(timeoutMillis, MILLISECONDS)); |
160 |
|
break; |
161 |
|
case awaitNanos: |
162 |
< |
long nanosTimeout = MILLISECONDS.toNanos(timeoutMillis); |
163 |
< |
long nanosRemaining = c.awaitNanos(nanosTimeout); |
164 |
< |
assertTrue(nanosRemaining > 0); |
162 |
> |
long timeoutNanos = MILLISECONDS.toNanos(timeoutMillis); |
163 |
> |
long nanosRemaining = c.awaitNanos(timeoutNanos); |
164 |
> |
assertTrue(nanosRemaining > timeoutNanos / 2); |
165 |
> |
assertTrue(nanosRemaining <= timeoutNanos); |
166 |
|
break; |
167 |
|
case awaitUntil: |
168 |
|
assertTrue(c.awaitUntil(delayedDate(timeoutMillis))); |
209 |
|
public void testUnlock_IMSE() { testUnlock_IMSE(false); } |
210 |
|
public void testUnlock_IMSE_fair() { testUnlock_IMSE(true); } |
211 |
|
public void testUnlock_IMSE(boolean fair) { |
212 |
< |
ReentrantLock lock = new ReentrantLock(fair); |
212 |
> |
final ReentrantLock lock = new ReentrantLock(fair); |
213 |
|
try { |
214 |
|
lock.unlock(); |
215 |
|
shouldThrow(); |
399 |
|
public void testTryLock_Timeout_fair() { testTryLock_Timeout(true); } |
400 |
|
public void testTryLock_Timeout(boolean fair) { |
401 |
|
final PublicReentrantLock lock = new PublicReentrantLock(fair); |
402 |
+ |
final long timeoutMillis = timeoutMillis(); |
403 |
|
lock.lock(); |
404 |
|
Thread t = newStartedThread(new CheckedRunnable() { |
405 |
|
public void realRun() throws InterruptedException { |
406 |
|
long startTime = System.nanoTime(); |
405 |
– |
long timeoutMillis = 10; |
407 |
|
assertFalse(lock.tryLock(timeoutMillis, MILLISECONDS)); |
408 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
409 |
|
}}); |
418 |
|
public void testGetHoldCount() { testGetHoldCount(false); } |
419 |
|
public void testGetHoldCount_fair() { testGetHoldCount(true); } |
420 |
|
public void testGetHoldCount(boolean fair) { |
421 |
< |
ReentrantLock lock = new ReentrantLock(fair); |
421 |
> |
final ReentrantLock lock = new ReentrantLock(fair); |
422 |
|
for (int i = 1; i <= SIZE; i++) { |
423 |
|
lock.lock(); |
424 |
|
assertEquals(i, lock.getHoldCount()); |
425 |
|
} |
426 |
|
for (int i = SIZE; i > 0; i--) { |
427 |
|
lock.unlock(); |
428 |
< |
assertEquals(i-1, lock.getHoldCount()); |
428 |
> |
assertEquals(i - 1, lock.getHoldCount()); |
429 |
|
} |
430 |
|
} |
431 |
|
|
435 |
|
public void testIsLocked() { testIsLocked(false); } |
436 |
|
public void testIsLocked_fair() { testIsLocked(true); } |
437 |
|
public void testIsLocked(boolean fair) { |
438 |
+ |
final ReentrantLock lock = new ReentrantLock(fair); |
439 |
|
try { |
438 |
– |
final ReentrantLock lock = new ReentrantLock(fair); |
440 |
|
assertFalse(lock.isLocked()); |
441 |
|
lock.lock(); |
442 |
|
assertTrue(lock.isLocked()); |
461 |
|
barrier.await(); |
462 |
|
awaitTermination(t); |
463 |
|
assertFalse(lock.isLocked()); |
464 |
< |
} catch (Exception e) { |
464 |
< |
threadUnexpectedException(e); |
465 |
< |
} |
464 |
> |
} catch (Exception fail) { threadUnexpectedException(fail); } |
465 |
|
} |
466 |
|
|
467 |
|
/** |
473 |
|
final PublicReentrantLock lock = new PublicReentrantLock(fair); |
474 |
|
try { |
475 |
|
lock.lockInterruptibly(); |
476 |
< |
} catch (InterruptedException ie) { |
478 |
< |
threadUnexpectedException(ie); |
479 |
< |
} |
476 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
477 |
|
assertLockedByMoi(lock); |
478 |
|
Thread t = newStartedThread(new InterruptedLockRunnable(lock)); |
479 |
|
waitForQueuedThread(lock, t); |
523 |
|
public void testAwaitNanos_Timeout() { testAwaitNanos_Timeout(false); } |
524 |
|
public void testAwaitNanos_Timeout_fair() { testAwaitNanos_Timeout(true); } |
525 |
|
public void testAwaitNanos_Timeout(boolean fair) { |
526 |
+ |
final ReentrantLock lock = new ReentrantLock(fair); |
527 |
+ |
final Condition c = lock.newCondition(); |
528 |
+ |
final long timeoutMillis = timeoutMillis(); |
529 |
+ |
final long timeoutNanos = MILLISECONDS.toNanos(timeoutMillis); |
530 |
+ |
lock.lock(); |
531 |
+ |
final long startTime = System.nanoTime(); |
532 |
|
try { |
530 |
– |
final ReentrantLock lock = new ReentrantLock(fair); |
531 |
– |
final Condition c = lock.newCondition(); |
532 |
– |
lock.lock(); |
533 |
– |
long startTime = System.nanoTime(); |
534 |
– |
long timeoutMillis = 10; |
535 |
– |
long timeoutNanos = MILLISECONDS.toNanos(timeoutMillis); |
533 |
|
long nanosRemaining = c.awaitNanos(timeoutNanos); |
534 |
|
assertTrue(nanosRemaining <= 0); |
535 |
< |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
536 |
< |
lock.unlock(); |
537 |
< |
} catch (InterruptedException e) { |
541 |
< |
threadUnexpectedException(e); |
542 |
< |
} |
535 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
536 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
537 |
> |
lock.unlock(); |
538 |
|
} |
539 |
|
|
540 |
|
/** |
543 |
|
public void testAwait_Timeout() { testAwait_Timeout(false); } |
544 |
|
public void testAwait_Timeout_fair() { testAwait_Timeout(true); } |
545 |
|
public void testAwait_Timeout(boolean fair) { |
546 |
+ |
final ReentrantLock lock = new ReentrantLock(fair); |
547 |
+ |
final Condition c = lock.newCondition(); |
548 |
+ |
final long timeoutMillis = timeoutMillis(); |
549 |
+ |
lock.lock(); |
550 |
+ |
final long startTime = System.nanoTime(); |
551 |
|
try { |
552 |
– |
final ReentrantLock lock = new ReentrantLock(fair); |
553 |
– |
final Condition c = lock.newCondition(); |
554 |
– |
lock.lock(); |
555 |
– |
long startTime = System.nanoTime(); |
556 |
– |
long timeoutMillis = 10; |
552 |
|
assertFalse(c.await(timeoutMillis, MILLISECONDS)); |
553 |
< |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
554 |
< |
lock.unlock(); |
555 |
< |
} catch (InterruptedException e) { |
561 |
< |
threadUnexpectedException(e); |
562 |
< |
} |
553 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
554 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
555 |
> |
lock.unlock(); |
556 |
|
} |
557 |
|
|
558 |
|
/** |
561 |
|
public void testAwaitUntil_Timeout() { testAwaitUntil_Timeout(false); } |
562 |
|
public void testAwaitUntil_Timeout_fair() { testAwaitUntil_Timeout(true); } |
563 |
|
public void testAwaitUntil_Timeout(boolean fair) { |
564 |
+ |
final ReentrantLock lock = new ReentrantLock(fair); |
565 |
+ |
final Condition c = lock.newCondition(); |
566 |
+ |
lock.lock(); |
567 |
+ |
// We shouldn't assume that nanoTime and currentTimeMillis |
568 |
+ |
// use the same time source, so don't use nanoTime here. |
569 |
+ |
final java.util.Date delayedDate = delayedDate(timeoutMillis()); |
570 |
|
try { |
571 |
< |
final ReentrantLock lock = new ReentrantLock(fair); |
572 |
< |
final Condition c = lock.newCondition(); |
573 |
< |
lock.lock(); |
574 |
< |
long startTime = System.nanoTime(); |
576 |
< |
long timeoutMillis = 10; |
577 |
< |
java.util.Date d = new java.util.Date(); |
578 |
< |
assertFalse(c.awaitUntil(new java.util.Date(d.getTime() + timeoutMillis))); |
579 |
< |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
580 |
< |
lock.unlock(); |
581 |
< |
} catch (InterruptedException e) { |
582 |
< |
threadUnexpectedException(e); |
583 |
< |
} |
571 |
> |
assertFalse(c.awaitUntil(delayedDate)); |
572 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
573 |
> |
assertTrue(new java.util.Date().getTime() >= delayedDate.getTime()); |
574 |
> |
lock.unlock(); |
575 |
|
} |
576 |
|
|
577 |
|
/** |
1100 |
|
public void testSerialization() { testSerialization(false); } |
1101 |
|
public void testSerialization_fair() { testSerialization(true); } |
1102 |
|
public void testSerialization(boolean fair) { |
1103 |
< |
ReentrantLock lock = new ReentrantLock(fair); |
1103 |
> |
final ReentrantLock lock = new ReentrantLock(fair); |
1104 |
|
lock.lock(); |
1105 |
|
|
1106 |
|
ReentrantLock clone = serialClone(lock); |
1126 |
|
public void testToString() { testToString(false); } |
1127 |
|
public void testToString_fair() { testToString(true); } |
1128 |
|
public void testToString(boolean fair) { |
1129 |
< |
ReentrantLock lock = new ReentrantLock(fair); |
1129 |
> |
final ReentrantLock lock = new ReentrantLock(fair); |
1130 |
|
assertTrue(lock.toString().contains("Unlocked")); |
1131 |
|
lock.lock(); |
1132 |
< |
assertTrue(lock.toString().contains("Locked")); |
1132 |
> |
assertTrue(lock.toString().contains("Locked by")); |
1133 |
|
lock.unlock(); |
1134 |
|
assertTrue(lock.toString().contains("Unlocked")); |
1135 |
|
} |