| 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 |
|
} |
| 354 |
|
// Never report first run of any test; treat it as a |
| 355 |
|
// warmup run, notably to trigger all needed classloading, |
| 356 |
|
if (i > 0) |
| 357 |
< |
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
| 357 |
> |
System.out.printf("%s: %d%n", toString(), elapsedMillis); |
| 358 |
|
} |
| 359 |
|
} |
| 360 |
|
|
| 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; |
| 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 |
| 1083 |
|
} |
| 1084 |
|
} |
| 1085 |
|
|
| 1086 |
+ |
/** Returns true if thread info might be useful in a thread dump. */ |
| 1087 |
+ |
static boolean threadOfInterest(ThreadInfo info) { |
| 1088 |
+ |
final String name = info.getThreadName(); |
| 1089 |
+ |
String lockName; |
| 1090 |
+ |
if (name == null) |
| 1091 |
+ |
return true; |
| 1092 |
+ |
if (name.equals("Signal Dispatcher") |
| 1093 |
+ |
|| name.equals("WedgedTestDetector")) |
| 1094 |
+ |
return false; |
| 1095 |
+ |
if (name.equals("Reference Handler")) { |
| 1096 |
+ |
// Reference Handler stacktrace changed in JDK-8156500 |
| 1097 |
+ |
StackTraceElement[] stackTrace; String methodName; |
| 1098 |
+ |
if ((stackTrace = info.getStackTrace()) != null |
| 1099 |
+ |
&& stackTrace.length > 0 |
| 1100 |
+ |
&& (methodName = stackTrace[0].getMethodName()) != null |
| 1101 |
+ |
&& methodName.equals("waitForReferencePendingList")) |
| 1102 |
+ |
return false; |
| 1103 |
+ |
// jdk8 Reference Handler stacktrace |
| 1104 |
+ |
if ((lockName = info.getLockName()) != null |
| 1105 |
+ |
&& lockName.startsWith("java.lang.ref")) |
| 1106 |
+ |
return false; |
| 1107 |
+ |
} |
| 1108 |
+ |
if ((name.equals("Finalizer") || name.equals("Common-Cleaner")) |
| 1109 |
+ |
&& (lockName = info.getLockName()) != null |
| 1110 |
+ |
&& lockName.startsWith("java.lang.ref")) |
| 1111 |
+ |
return false; |
| 1112 |
+ |
if (name.startsWith("ForkJoinPool.commonPool-worker") |
| 1113 |
+ |
&& (lockName = info.getLockName()) != null |
| 1114 |
+ |
&& lockName.startsWith("java.util.concurrent.ForkJoinPool")) |
| 1115 |
+ |
return false; |
| 1116 |
+ |
return true; |
| 1117 |
+ |
} |
| 1118 |
+ |
|
| 1119 |
|
/** |
| 1120 |
|
* A debugging tool to print stack traces of most threads, as jstack does. |
| 1121 |
|
* Uninteresting threads are filtered out. |
| 1132 |
|
|
| 1133 |
|
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
| 1134 |
|
System.err.println("------ stacktrace dump start ------"); |
| 1135 |
< |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
| 1136 |
< |
final String name = info.getThreadName(); |
| 1137 |
< |
String lockName; |
| 1098 |
< |
if ("Signal Dispatcher".equals(name)) |
| 1099 |
< |
continue; |
| 1100 |
< |
if ("Reference Handler".equals(name) |
| 1101 |
< |
&& (lockName = info.getLockName()) != null |
| 1102 |
< |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
| 1103 |
< |
continue; |
| 1104 |
< |
if ("Finalizer".equals(name) |
| 1105 |
< |
&& (lockName = info.getLockName()) != null |
| 1106 |
< |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
| 1107 |
< |
continue; |
| 1108 |
< |
if ("checkForWedgedTest".equals(name)) |
| 1109 |
< |
continue; |
| 1110 |
< |
System.err.print(info); |
| 1111 |
< |
} |
| 1135 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) |
| 1136 |
> |
if (threadOfInterest(info)) |
| 1137 |
> |
System.err.print(info); |
| 1138 |
|
System.err.println("------ stacktrace dump end ------"); |
| 1139 |
|
|
| 1140 |
|
if (sm != null) System.setSecurityManager(sm); |
| 1429 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
| 1430 |
|
} |
| 1431 |
|
|
| 1406 |
– |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
| 1407 |
– |
// long startTime = System.nanoTime(); |
| 1408 |
– |
// try { |
| 1409 |
– |
// r.run(); |
| 1410 |
– |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
| 1411 |
– |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
| 1412 |
– |
// throw new AssertionError("did not return promptly"); |
| 1413 |
– |
// } |
| 1414 |
– |
|
| 1415 |
– |
// void assertTerminatesPromptly(Runnable r) { |
| 1416 |
– |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
| 1417 |
– |
// } |
| 1418 |
– |
|
| 1432 |
|
/** |
| 1433 |
|
* Checks that timed f.get() returns the expected value, and does not |
| 1434 |
|
* wait for the timeout to elapse before returning. |
| 1463 |
|
* to terminate (using {@link Thread#join(long)}), else interrupts |
| 1464 |
|
* the thread (in the hope that it may terminate later) and fails. |
| 1465 |
|
*/ |
| 1466 |
< |
void awaitTermination(Thread t, long timeoutMillis) { |
| 1466 |
> |
void awaitTermination(Thread thread, long timeoutMillis) { |
| 1467 |
|
try { |
| 1468 |
< |
t.join(timeoutMillis); |
| 1468 |
> |
thread.join(timeoutMillis); |
| 1469 |
|
} catch (InterruptedException fail) { |
| 1470 |
|
threadUnexpectedException(fail); |
| 1471 |
|
} |
| 1472 |
< |
Thread.State state; |
| 1473 |
< |
if ((state = t.getState()) != Thread.State.TERMINATED) { |
| 1474 |
< |
t.interrupt(); |
| 1475 |
< |
threadFail("timed out waiting for thread to terminate; " |
| 1476 |
< |
+ "state=" + state); |
| 1472 |
> |
if (thread.getState() != Thread.State.TERMINATED) { |
| 1473 |
> |
String detail = String.format( |
| 1474 |
> |
"timed out waiting for thread to terminate, thread=%s, state=%s" , |
| 1475 |
> |
thread, thread.getState()); |
| 1476 |
> |
try { |
| 1477 |
> |
threadFail(detail); |
| 1478 |
> |
} finally { |
| 1479 |
> |
// Interrupt thread __after__ having reported its stack trace |
| 1480 |
> |
thread.interrupt(); |
| 1481 |
> |
} |
| 1482 |
|
} |
| 1483 |
|
} |
| 1484 |
|
|
