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); |