| 1312 |
|
* ant -Djsr166.tckTestClass=AbstractQueuedSynchronizerTest -Djsr166.methodFilter=testInterruptedFailingAcquire -Djsr166.runsPerTest=10000 tck |
| 1313 |
|
*/ |
| 1314 |
|
public void testInterruptedFailingAcquire() throws Throwable { |
| 1315 |
< |
final RuntimeException ex = new RuntimeException(); |
| 1315 |
> |
class PleaseThrow extends RuntimeException {} |
| 1316 |
> |
final PleaseThrow ex = new PleaseThrow(); |
| 1317 |
|
|
| 1318 |
|
// A synchronizer only offering a choice of failure modes |
| 1319 |
|
class Sync extends AbstractQueuedSynchronizer { |
| 1335 |
|
} |
| 1336 |
|
|
| 1337 |
|
final Sync s = new Sync(); |
| 1338 |
< |
final Action[] uninterruptibleAcquireMethods = { |
| 1338 |
> |
final boolean acquireInterruptibly = randomBoolean(); |
| 1339 |
> |
final Action[] uninterruptibleAcquireActions = { |
| 1340 |
|
() -> s.acquire(1), |
| 1341 |
|
() -> s.acquireShared(1), |
| 1340 |
– |
// TODO: test interruptible acquire methods |
| 1342 |
|
}; |
| 1343 |
< |
final Action[] releaseMethods = { |
| 1343 |
> |
final long nanosTimeout = MILLISECONDS.toNanos(2 * LONG_DELAY_MS); |
| 1344 |
> |
final Action[] interruptibleAcquireActions = { |
| 1345 |
> |
() -> s.acquireInterruptibly(1), |
| 1346 |
> |
() -> s.acquireSharedInterruptibly(1), |
| 1347 |
> |
() -> s.tryAcquireNanos(1, nanosTimeout), |
| 1348 |
> |
() -> s.tryAcquireSharedNanos(1, nanosTimeout), |
| 1349 |
> |
}; |
| 1350 |
> |
final Action[] releaseActions = { |
| 1351 |
|
() -> s.release(1), |
| 1352 |
|
() -> s.releaseShared(1), |
| 1353 |
|
}; |
| 1354 |
< |
final Action acquireMethod |
| 1355 |
< |
= chooseRandomly(uninterruptibleAcquireMethods); |
| 1356 |
< |
final Action releaseMethod |
| 1357 |
< |
= chooseRandomly(releaseMethods); |
| 1354 |
> |
final Action acquireAction = acquireInterruptibly |
| 1355 |
> |
? chooseRandomly(interruptibleAcquireActions) |
| 1356 |
> |
: chooseRandomly(uninterruptibleAcquireActions); |
| 1357 |
> |
final Action releaseAction |
| 1358 |
> |
= chooseRandomly(releaseActions); |
| 1359 |
|
|
| 1360 |
|
// From os_posix.cpp: |
| 1361 |
|
// |
| 1368 |
|
// is allowed and not harmful, and the possibility is so rare that |
| 1369 |
|
// it is not worth the added complexity to add yet another lock. |
| 1370 |
|
final Thread thread = newStartedThread(new CheckedRunnable() { |
| 1371 |
< |
public void realRun() { |
| 1371 |
> |
public void realRun() throws Throwable { |
| 1372 |
|
try { |
| 1373 |
< |
acquireMethod.run(); |
| 1373 |
> |
acquireAction.run(); |
| 1374 |
|
shouldThrow(); |
| 1375 |
< |
} catch (Throwable t) { |
| 1376 |
< |
assertSame(ex, t); |
| 1375 |
> |
} catch (InterruptedException possible) { |
| 1376 |
> |
assertTrue(acquireInterruptibly); |
| 1377 |
> |
assertFalse(Thread.interrupted()); |
| 1378 |
> |
} catch (PleaseThrow possible) { |
| 1379 |
|
awaitInterrupted(); |
| 1380 |
|
} |
| 1381 |
|
}}); |
| 1399 |
|
// release and interrupt, in random order |
| 1400 |
|
if (randomBoolean()) { |
| 1401 |
|
thread.interrupt(); |
| 1402 |
< |
releaseMethod.run(); |
| 1402 |
> |
releaseAction.run(); |
| 1403 |
|
} else { |
| 1404 |
< |
releaseMethod.run(); |
| 1404 |
> |
releaseAction.run(); |
| 1405 |
|
thread.interrupt(); |
| 1406 |
|
} |
| 1407 |
|
awaitTermination(thread); |
