| 1261 |
|
* ant -Djsr166.tckTestClass=AbstractQueuedLongSynchronizerTest -Djsr166.methodFilter=testInterruptedFailingAcquire -Djsr166.runsPerTest=10000 tck |
| 1262 |
|
*/ |
| 1263 |
|
public void testInterruptedFailingAcquire() throws Throwable { |
| 1264 |
< |
final RuntimeException ex = new RuntimeException(); |
| 1264 |
> |
class PleaseThrow extends RuntimeException {} |
| 1265 |
> |
final PleaseThrow ex = new PleaseThrow(); |
| 1266 |
|
|
| 1267 |
|
// A synchronizer only offering a choice of failure modes |
| 1268 |
|
class Sync extends AbstractQueuedLongSynchronizer { |
| 1284 |
|
} |
| 1285 |
|
|
| 1286 |
|
final Sync s = new Sync(); |
| 1287 |
< |
final Action[] uninterruptibleAcquireMethods = { |
| 1287 |
> |
final boolean acquireInterruptibly = randomBoolean(); |
| 1288 |
> |
final Action[] uninterruptibleAcquireActions = { |
| 1289 |
|
() -> s.acquire(1), |
| 1290 |
|
() -> s.acquireShared(1), |
| 1289 |
– |
// TODO: test interruptible acquire methods |
| 1291 |
|
}; |
| 1292 |
< |
final Action[] releaseMethods = { |
| 1292 |
> |
final long nanosTimeout = MILLISECONDS.toNanos(2 * LONG_DELAY_MS); |
| 1293 |
> |
final Action[] interruptibleAcquireActions = { |
| 1294 |
> |
() -> s.acquireInterruptibly(1), |
| 1295 |
> |
() -> s.acquireSharedInterruptibly(1), |
| 1296 |
> |
() -> s.tryAcquireNanos(1, nanosTimeout), |
| 1297 |
> |
() -> s.tryAcquireSharedNanos(1, nanosTimeout), |
| 1298 |
> |
}; |
| 1299 |
> |
final Action[] releaseActions = { |
| 1300 |
|
() -> s.release(1), |
| 1301 |
|
() -> s.releaseShared(1), |
| 1302 |
|
}; |
| 1303 |
< |
final Action acquireMethod |
| 1304 |
< |
= chooseRandomly(uninterruptibleAcquireMethods); |
| 1305 |
< |
final Action releaseMethod |
| 1306 |
< |
= chooseRandomly(releaseMethods); |
| 1303 |
> |
final Action acquireAction = acquireInterruptibly |
| 1304 |
> |
? chooseRandomly(interruptibleAcquireActions) |
| 1305 |
> |
: chooseRandomly(uninterruptibleAcquireActions); |
| 1306 |
> |
final Action releaseAction |
| 1307 |
> |
= chooseRandomly(releaseActions); |
| 1308 |
|
|
| 1309 |
|
// From os_posix.cpp: |
| 1310 |
|
// |
| 1317 |
|
// is allowed and not harmful, and the possibility is so rare that |
| 1318 |
|
// it is not worth the added complexity to add yet another lock. |
| 1319 |
|
final Thread thread = newStartedThread(new CheckedRunnable() { |
| 1320 |
< |
public void realRun() { |
| 1320 |
> |
public void realRun() throws Throwable { |
| 1321 |
|
try { |
| 1322 |
< |
acquireMethod.run(); |
| 1322 |
> |
acquireAction.run(); |
| 1323 |
|
shouldThrow(); |
| 1324 |
< |
} catch (Throwable t) { |
| 1325 |
< |
assertSame(ex, t); |
| 1324 |
> |
} catch (InterruptedException possible) { |
| 1325 |
> |
assertTrue(acquireInterruptibly); |
| 1326 |
> |
assertFalse(Thread.interrupted()); |
| 1327 |
> |
} catch (PleaseThrow possible) { |
| 1328 |
|
awaitInterrupted(); |
| 1329 |
|
} |
| 1330 |
|
}}); |
| 1348 |
|
// release and interrupt, in random order |
| 1349 |
|
if (randomBoolean()) { |
| 1350 |
|
thread.interrupt(); |
| 1351 |
< |
releaseMethod.run(); |
| 1351 |
> |
releaseAction.run(); |
| 1352 |
|
} else { |
| 1353 |
< |
releaseMethod.run(); |
| 1353 |
> |
releaseAction.run(); |
| 1354 |
|
thread.interrupt(); |
| 1355 |
|
} |
| 1356 |
|
awaitTermination(thread); |
