| 284 |
|
static volatile TestCase currentTestCase; |
| 285 |
|
// static volatile int currentRun = 0; |
| 286 |
|
static { |
| 287 |
< |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
| 287 |
> |
Runnable wedgedTestDetector = new Runnable() { public void run() { |
| 288 |
|
// Avoid spurious reports with enormous runsPerTest. |
| 289 |
|
// A single test case run should never take more than 1 second. |
| 290 |
|
// But let's cap it at the high end too ... |
| 310 |
|
} |
| 311 |
|
lastTestCase = currentTestCase; |
| 312 |
|
}}}; |
| 313 |
< |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
| 313 |
> |
Thread thread = new Thread(wedgedTestDetector, "WedgedTestDetector"); |
| 314 |
|
thread.setDaemon(true); |
| 315 |
|
thread.start(); |
| 316 |
|
} |
| 657 |
|
public static long MEDIUM_DELAY_MS; |
| 658 |
|
public static long LONG_DELAY_MS; |
| 659 |
|
|
| 660 |
+ |
/** |
| 661 |
+ |
* A delay significantly longer than LONG_DELAY_MS. |
| 662 |
+ |
* Use this in a thread that is waited for via awaitTermination(Thread). |
| 663 |
+ |
*/ |
| 664 |
+ |
public static long LONGER_DELAY_MS; |
| 665 |
+ |
|
| 666 |
|
private static final long RANDOM_TIMEOUT; |
| 667 |
|
private static final long RANDOM_EXPIRED_TIMEOUT; |
| 668 |
|
private static final TimeUnit RANDOM_TIMEUNIT; |
| 691 |
|
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
| 692 |
|
|
| 693 |
|
/** |
| 694 |
+ |
* Returns a random boolean; a "coin flip". |
| 695 |
+ |
*/ |
| 696 |
+ |
static boolean randomBoolean() { |
| 697 |
+ |
return ThreadLocalRandom.current().nextBoolean(); |
| 698 |
+ |
} |
| 699 |
+ |
|
| 700 |
+ |
/** |
| 701 |
+ |
* Returns a random element from given choices. |
| 702 |
+ |
*/ |
| 703 |
+ |
<T> T chooseRandomly(T... choices) { |
| 704 |
+ |
return choices[ThreadLocalRandom.current().nextInt(choices.length)]; |
| 705 |
+ |
} |
| 706 |
+ |
|
| 707 |
+ |
/** |
| 708 |
|
* Returns the shortest timed delay. This can be scaled up for |
| 709 |
|
* slow machines using the jsr166.delay.factor system property, |
| 710 |
|
* or via jtreg's -timeoutFactor: flag. |
| 722 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
| 723 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
| 724 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
| 725 |
+ |
LONGER_DELAY_MS = 2 * LONG_DELAY_MS; |
| 726 |
|
} |
| 727 |
|
|
| 728 |
|
private static final long TIMEOUT_DELAY_MS |
| 761 |
|
*/ |
| 762 |
|
public void threadRecordFailure(Throwable t) { |
| 763 |
|
System.err.println(t); |
| 764 |
< |
dumpTestThreads(); |
| 765 |
< |
threadFailure.compareAndSet(null, t); |
| 764 |
> |
if (threadFailure.compareAndSet(null, t)) |
| 765 |
> |
dumpTestThreads(); |
| 766 |
|
} |
| 767 |
|
|
| 768 |
|
public void setUp() { |
| 1106 |
|
continue; |
| 1107 |
|
if ("Reference Handler".equals(name) |
| 1108 |
|
&& (lockName = info.getLockName()) != null |
| 1109 |
< |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
| 1109 |
> |
&& lockName.startsWith("java.lang.ref")) |
| 1110 |
|
continue; |
| 1111 |
< |
if ("Finalizer".equals(name) |
| 1111 |
> |
if (("Finalizer".equals(name) || "Common-Cleaner".equals(name)) |
| 1112 |
|
&& (lockName = info.getLockName()) != null |
| 1113 |
< |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
| 1113 |
> |
&& lockName.startsWith("java.lang.ref")) |
| 1114 |
|
continue; |
| 1115 |
< |
if ("checkForWedgedTest".equals(name)) |
| 1115 |
> |
if ("WedgedTestDetector".equals(name)) |
| 1116 |
|
continue; |
| 1117 |
|
System.err.print(info); |
| 1118 |
|
} |
| 1388 |
|
} |
| 1389 |
|
|
| 1390 |
|
/** |
| 1391 |
+ |
* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to |
| 1392 |
+ |
* be interrupted. Clears the interrupt status before returning. |
| 1393 |
+ |
*/ |
| 1394 |
+ |
void awaitInterrupted() { |
| 1395 |
+ |
for (long startTime = 0L; !Thread.interrupted(); ) { |
| 1396 |
+ |
if (startTime == 0L) |
| 1397 |
+ |
startTime = System.nanoTime(); |
| 1398 |
+ |
else if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
| 1399 |
+ |
fail("timed out waiting for thread interrupt"); |
| 1400 |
+ |
Thread.yield(); |
| 1401 |
+ |
} |
| 1402 |
+ |
} |
| 1403 |
+ |
|
| 1404 |
+ |
/** |
| 1405 |
|
* Returns the number of milliseconds since time given by |
| 1406 |
|
* startNanoTime, which must have been previously returned from a |
| 1407 |
|
* call to {@link System#nanoTime()}. |
| 1410 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
| 1411 |
|
} |
| 1412 |
|
|
| 1378 |
– |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
| 1379 |
– |
// long startTime = System.nanoTime(); |
| 1380 |
– |
// try { |
| 1381 |
– |
// r.run(); |
| 1382 |
– |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
| 1383 |
– |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
| 1384 |
– |
// throw new AssertionError("did not return promptly"); |
| 1385 |
– |
// } |
| 1386 |
– |
|
| 1387 |
– |
// void assertTerminatesPromptly(Runnable r) { |
| 1388 |
– |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
| 1389 |
– |
// } |
| 1390 |
– |
|
| 1413 |
|
/** |
| 1414 |
|
* Checks that timed f.get() returns the expected value, and does not |
| 1415 |
|
* wait for the timeout to elapse before returning. |
| 1444 |
|
* to terminate (using {@link Thread#join(long)}), else interrupts |
| 1445 |
|
* the thread (in the hope that it may terminate later) and fails. |
| 1446 |
|
*/ |
| 1447 |
< |
void awaitTermination(Thread t, long timeoutMillis) { |
| 1447 |
> |
void awaitTermination(Thread thread, long timeoutMillis) { |
| 1448 |
|
try { |
| 1449 |
< |
t.join(timeoutMillis); |
| 1449 |
> |
thread.join(timeoutMillis); |
| 1450 |
|
} catch (InterruptedException fail) { |
| 1451 |
|
threadUnexpectedException(fail); |
| 1452 |
< |
} finally { |
| 1453 |
< |
if (t.getState() != Thread.State.TERMINATED) { |
| 1454 |
< |
t.interrupt(); |
| 1455 |
< |
threadFail("timed out waiting for thread to terminate"); |
| 1452 |
> |
} |
| 1453 |
> |
if (thread.getState() != Thread.State.TERMINATED) { |
| 1454 |
> |
String detail = String.format( |
| 1455 |
> |
"timed out waiting for thread to terminate, thread=%s, state=%s" , |
| 1456 |
> |
thread, thread.getState()); |
| 1457 |
> |
try { |
| 1458 |
> |
threadFail(detail); |
| 1459 |
> |
} finally { |
| 1460 |
> |
// Interrupt thread __after__ having reported its stack trace |
| 1461 |
> |
thread.interrupt(); |
| 1462 |
|
} |
| 1463 |
|
} |
| 1464 |
|
} |
