11 |
|
import java.io.ByteArrayOutputStream; |
12 |
|
import java.io.ObjectInputStream; |
13 |
|
import java.io.ObjectOutputStream; |
14 |
+ |
import java.lang.management.ManagementFactory; |
15 |
+ |
import java.lang.management.ThreadInfo; |
16 |
+ |
import java.util.ArrayList; |
17 |
|
import java.util.Arrays; |
18 |
|
import java.util.Date; |
19 |
+ |
import java.util.Enumeration; |
20 |
+ |
import java.util.List; |
21 |
|
import java.util.NoSuchElementException; |
22 |
|
import java.util.PropertyPermission; |
23 |
|
import java.util.concurrent.*; |
74 |
|
* |
75 |
|
* </ol> |
76 |
|
* |
77 |
< |
* <p> <b>Other notes</b> |
77 |
> |
* <p><b>Other notes</b> |
78 |
|
* <ul> |
79 |
|
* |
80 |
|
* <li> Usually, there is one testcase method per JSR166 method |
147 |
|
} |
148 |
|
|
149 |
|
/** |
150 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
150 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
151 |
> |
* Optional command line arg provides the number of iterations to |
152 |
> |
* repeat running the tests. |
153 |
|
*/ |
154 |
|
public static void main(String[] args) { |
155 |
|
if (useSecurityManager) { |
267 |
|
return 50; |
268 |
|
} |
269 |
|
|
263 |
– |
|
270 |
|
/** |
271 |
|
* Sets delays as multiples of SHORT_DELAY. |
272 |
|
*/ |
290 |
|
* milliseconds in the future. |
291 |
|
*/ |
292 |
|
Date delayedDate(long delayMillis) { |
293 |
< |
return new Date(new Date().getTime() + delayMillis); |
293 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
294 |
|
} |
295 |
|
|
296 |
|
/** |
314 |
|
} |
315 |
|
|
316 |
|
/** |
317 |
+ |
* Extra checks that get done for all test cases. |
318 |
+ |
* |
319 |
|
* Triggers test case failure if any thread assertions have failed, |
320 |
|
* by rethrowing, in the test harness thread, any exception recorded |
321 |
|
* earlier by threadRecordFailure. |
322 |
+ |
* |
323 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
324 |
|
*/ |
325 |
|
public void tearDown() throws Exception { |
326 |
|
Throwable t = threadFailure.getAndSet(null); |
338 |
|
throw afe; |
339 |
|
} |
340 |
|
} |
341 |
+ |
|
342 |
+ |
if (Thread.interrupted()) |
343 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
344 |
|
} |
345 |
|
|
346 |
|
/** |
472 |
|
else { |
473 |
|
AssertionFailedError afe = |
474 |
|
new AssertionFailedError("unexpected exception: " + t); |
475 |
< |
t.initCause(t); |
475 |
> |
afe.initCause(t); |
476 |
|
throw afe; |
477 |
|
} |
478 |
|
} |
514 |
|
} |
515 |
|
|
516 |
|
/** |
517 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
518 |
+ |
*/ |
519 |
+ |
static void printAllStackTraces() { |
520 |
+ |
for (ThreadInfo info : |
521 |
+ |
ManagementFactory.getThreadMXBean() |
522 |
+ |
.dumpAllThreads(true, true)) |
523 |
+ |
System.err.print(info); |
524 |
+ |
} |
525 |
+ |
|
526 |
+ |
/** |
527 |
|
* Checks that thread does not terminate within the default |
528 |
|
* millisecond delay of {@code timeoutMillis()}. |
529 |
|
*/ |
545 |
|
} |
546 |
|
|
547 |
|
/** |
548 |
+ |
* Checks that the threads do not terminate within the default |
549 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
550 |
+ |
*/ |
551 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
552 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
553 |
+ |
} |
554 |
+ |
|
555 |
+ |
/** |
556 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
557 |
+ |
*/ |
558 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
559 |
+ |
try { |
560 |
+ |
// No need to optimize the failing case via Thread.join. |
561 |
+ |
delay(millis); |
562 |
+ |
for (Thread thread : threads) |
563 |
+ |
assertTrue(thread.isAlive()); |
564 |
+ |
} catch (InterruptedException ie) { |
565 |
+ |
fail("Unexpected InterruptedException"); |
566 |
+ |
} |
567 |
+ |
} |
568 |
+ |
|
569 |
+ |
/** |
570 |
+ |
* Checks that future.get times out, with the default timeout of |
571 |
+ |
* {@code timeoutMillis()}. |
572 |
+ |
*/ |
573 |
+ |
void assertFutureTimesOut(Future future) { |
574 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
575 |
+ |
} |
576 |
+ |
|
577 |
+ |
/** |
578 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
579 |
+ |
*/ |
580 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
581 |
+ |
long startTime = System.nanoTime(); |
582 |
+ |
try { |
583 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
584 |
+ |
shouldThrow(); |
585 |
+ |
} catch (TimeoutException success) { |
586 |
+ |
} catch (Exception e) { |
587 |
+ |
threadUnexpectedException(e); |
588 |
+ |
} finally { future.cancel(true); } |
589 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
590 |
+ |
} |
591 |
+ |
|
592 |
+ |
/** |
593 |
|
* Fails with message "should throw exception". |
594 |
|
*/ |
595 |
|
public void shouldThrow() { |
640 |
|
SecurityManager sm = System.getSecurityManager(); |
641 |
|
if (sm == null) { |
642 |
|
r.run(); |
643 |
+ |
} |
644 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
645 |
+ |
} |
646 |
+ |
|
647 |
+ |
/** |
648 |
+ |
* Runs Runnable r with a security policy that permits precisely |
649 |
+ |
* the specified permissions. If there is no current security |
650 |
+ |
* manager, a temporary one is set for the duration of the |
651 |
+ |
* Runnable. We require that any security manager permit |
652 |
+ |
* getPolicy/setPolicy. |
653 |
+ |
*/ |
654 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
655 |
+ |
Permission... permissions) { |
656 |
+ |
SecurityManager sm = System.getSecurityManager(); |
657 |
+ |
if (sm == null) { |
658 |
|
Policy savedPolicy = Policy.getPolicy(); |
659 |
|
try { |
660 |
|
Policy.setPolicy(permissivePolicy()); |
661 |
|
System.setSecurityManager(new SecurityManager()); |
662 |
< |
runWithPermissions(r, permissions); |
662 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
663 |
|
} finally { |
664 |
|
System.setSecurityManager(null); |
665 |
|
Policy.setPolicy(savedPolicy); |
707 |
|
return perms.implies(p); |
708 |
|
} |
709 |
|
public void refresh() {} |
710 |
+ |
public String toString() { |
711 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
712 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
713 |
+ |
ps.add(e.nextElement()); |
714 |
+ |
return "AdjustablePolicy with permissions " + ps; |
715 |
+ |
} |
716 |
|
} |
717 |
|
|
718 |
|
/** |
750 |
|
} |
751 |
|
|
752 |
|
/** |
753 |
< |
* Waits up to the specified number of milliseconds for the given |
753 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
754 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
755 |
|
*/ |
756 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
757 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
669 |
< |
long t0 = System.nanoTime(); |
757 |
> |
long startTime = System.nanoTime(); |
758 |
|
for (;;) { |
759 |
|
Thread.State s = thread.getState(); |
760 |
|
if (s == Thread.State.BLOCKED || |
763 |
|
return; |
764 |
|
else if (s == Thread.State.TERMINATED) |
765 |
|
fail("Unexpected thread termination"); |
766 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
766 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
767 |
|
threadAssertTrue(thread.isAlive()); |
768 |
|
return; |
769 |
|
} |
809 |
|
} catch (InterruptedException ie) { |
810 |
|
threadUnexpectedException(ie); |
811 |
|
} finally { |
812 |
< |
if (t.isAlive()) { |
812 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
813 |
|
t.interrupt(); |
814 |
|
fail("Test timed out"); |
815 |
|
} |
964 |
|
} |
965 |
|
} |
966 |
|
|
967 |
+ |
public void await(Semaphore semaphore) { |
968 |
+ |
try { |
969 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
970 |
+ |
} catch (Throwable t) { |
971 |
+ |
threadUnexpectedException(t); |
972 |
+ |
} |
973 |
+ |
} |
974 |
+ |
|
975 |
|
// /** |
976 |
|
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
977 |
|
// */ |
1193 |
|
} |
1194 |
|
|
1195 |
|
/** |
1196 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1197 |
< |
* of throwing checked exceptions. |
1196 |
> |
* A CyclicBarrier that uses timed await and fails with |
1197 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1198 |
|
*/ |
1199 |
|
public class CheckedBarrier extends CyclicBarrier { |
1200 |
|
public CheckedBarrier(int parties) { super(parties); } |
1201 |
|
|
1202 |
|
public int await() { |
1203 |
|
try { |
1204 |
< |
return super.await(); |
1204 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1205 |
> |
} catch (TimeoutException e) { |
1206 |
> |
throw new AssertionFailedError("timed out"); |
1207 |
|
} catch (Exception e) { |
1208 |
|
AssertionFailedError afe = |
1209 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1240 |
|
} |
1241 |
|
} |
1242 |
|
|
1243 |
< |
@SuppressWarnings("unchecked") |
1244 |
< |
<T> T serialClone(T o) { |
1243 |
> |
void assertSerialEquals(Object x, Object y) { |
1244 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1245 |
> |
} |
1246 |
> |
|
1247 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1248 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1249 |
> |
} |
1250 |
> |
|
1251 |
> |
byte[] serialBytes(Object o) { |
1252 |
|
try { |
1253 |
|
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1254 |
|
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1255 |
|
oos.writeObject(o); |
1256 |
|
oos.flush(); |
1257 |
|
oos.close(); |
1258 |
< |
ByteArrayInputStream bin = |
1259 |
< |
new ByteArrayInputStream(bos.toByteArray()); |
1260 |
< |
ObjectInputStream ois = new ObjectInputStream(bin); |
1261 |
< |
return (T) ois.readObject(); |
1258 |
> |
return bos.toByteArray(); |
1259 |
> |
} catch (Throwable t) { |
1260 |
> |
threadUnexpectedException(t); |
1261 |
> |
return new byte[0]; |
1262 |
> |
} |
1263 |
> |
} |
1264 |
> |
|
1265 |
> |
@SuppressWarnings("unchecked") |
1266 |
> |
<T> T serialClone(T o) { |
1267 |
> |
try { |
1268 |
> |
ObjectInputStream ois = new ObjectInputStream |
1269 |
> |
(new ByteArrayInputStream(serialBytes(o))); |
1270 |
> |
T clone = (T) ois.readObject(); |
1271 |
> |
assertSame(o.getClass(), clone.getClass()); |
1272 |
> |
return clone; |
1273 |
|
} catch (Throwable t) { |
1274 |
|
threadUnexpectedException(t); |
1275 |
|
return null; |