11 |
|
import java.io.ByteArrayOutputStream; |
12 |
|
import java.io.ObjectInputStream; |
13 |
|
import java.io.ObjectOutputStream; |
14 |
+ |
import java.util.ArrayList; |
15 |
|
import java.util.Arrays; |
16 |
|
import java.util.Date; |
17 |
+ |
import java.util.Enumeration; |
18 |
+ |
import java.util.List; |
19 |
|
import java.util.NoSuchElementException; |
20 |
|
import java.util.PropertyPermission; |
21 |
|
import java.util.concurrent.*; |
72 |
|
* |
73 |
|
* </ol> |
74 |
|
* |
75 |
< |
* <p> <b>Other notes</b> |
75 |
> |
* <p><b>Other notes</b> |
76 |
|
* <ul> |
77 |
|
* |
78 |
|
* <li> Usually, there is one testcase method per JSR166 method |
145 |
|
} |
146 |
|
|
147 |
|
/** |
148 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
148 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
149 |
> |
* Optional command line arg provides the number of iterations to |
150 |
> |
* repeat running the tests. |
151 |
|
*/ |
152 |
|
public static void main(String[] args) { |
153 |
|
if (useSecurityManager) { |
512 |
|
} |
513 |
|
|
514 |
|
/** |
515 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
516 |
+ |
*/ |
517 |
+ |
void printAllStackTraces() { |
518 |
+ |
System.err.println( |
519 |
+ |
Arrays.toString( |
520 |
+ |
java.lang.management.ManagementFactory.getThreadMXBean() |
521 |
+ |
.dumpAllThreads(true, true))); |
522 |
+ |
} |
523 |
+ |
|
524 |
+ |
/** |
525 |
|
* Checks that thread does not terminate within the default |
526 |
|
* millisecond delay of {@code timeoutMillis()}. |
527 |
|
*/ |
543 |
|
} |
544 |
|
|
545 |
|
/** |
546 |
+ |
* Checks that the threads do not terminate within the default |
547 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
548 |
+ |
*/ |
549 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
550 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
551 |
+ |
} |
552 |
+ |
|
553 |
+ |
/** |
554 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
555 |
+ |
*/ |
556 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
557 |
+ |
try { |
558 |
+ |
// No need to optimize the failing case via Thread.join. |
559 |
+ |
delay(millis); |
560 |
+ |
for (Thread thread : threads) |
561 |
+ |
assertTrue(thread.isAlive()); |
562 |
+ |
} catch (InterruptedException ie) { |
563 |
+ |
fail("Unexpected InterruptedException"); |
564 |
+ |
} |
565 |
+ |
} |
566 |
+ |
|
567 |
+ |
/** |
568 |
|
* Checks that future.get times out, with the default timeout of |
569 |
|
* {@code timeoutMillis()}. |
570 |
|
*/ |
638 |
|
SecurityManager sm = System.getSecurityManager(); |
639 |
|
if (sm == null) { |
640 |
|
r.run(); |
641 |
+ |
} |
642 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
643 |
+ |
} |
644 |
+ |
|
645 |
+ |
/** |
646 |
+ |
* Runs Runnable r with a security policy that permits precisely |
647 |
+ |
* the specified permissions. If there is no current security |
648 |
+ |
* manager, a temporary one is set for the duration of the |
649 |
+ |
* Runnable. We require that any security manager permit |
650 |
+ |
* getPolicy/setPolicy. |
651 |
+ |
*/ |
652 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
653 |
+ |
Permission... permissions) { |
654 |
+ |
SecurityManager sm = System.getSecurityManager(); |
655 |
+ |
if (sm == null) { |
656 |
|
Policy savedPolicy = Policy.getPolicy(); |
657 |
|
try { |
658 |
|
Policy.setPolicy(permissivePolicy()); |
659 |
|
System.setSecurityManager(new SecurityManager()); |
660 |
< |
runWithPermissions(r, permissions); |
660 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
661 |
|
} finally { |
662 |
|
System.setSecurityManager(null); |
663 |
|
Policy.setPolicy(savedPolicy); |
705 |
|
return perms.implies(p); |
706 |
|
} |
707 |
|
public void refresh() {} |
708 |
+ |
public String toString() { |
709 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
710 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
711 |
+ |
ps.add(e.nextElement()); |
712 |
+ |
return "AdjustablePolicy with permissions " + ps; |
713 |
+ |
} |
714 |
|
} |
715 |
|
|
716 |
|
/** |
748 |
|
} |
749 |
|
|
750 |
|
/** |
751 |
< |
* Waits up to the specified number of milliseconds for the given |
751 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
752 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
753 |
|
*/ |
754 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
755 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
698 |
< |
long t0 = System.nanoTime(); |
755 |
> |
long startTime = System.nanoTime(); |
756 |
|
for (;;) { |
757 |
|
Thread.State s = thread.getState(); |
758 |
|
if (s == Thread.State.BLOCKED || |
761 |
|
return; |
762 |
|
else if (s == Thread.State.TERMINATED) |
763 |
|
fail("Unexpected thread termination"); |
764 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
764 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
765 |
|
threadAssertTrue(thread.isAlive()); |
766 |
|
return; |
767 |
|
} |
962 |
|
} |
963 |
|
} |
964 |
|
|
965 |
+ |
public void await(Semaphore semaphore) { |
966 |
+ |
try { |
967 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
968 |
+ |
} catch (Throwable t) { |
969 |
+ |
threadUnexpectedException(t); |
970 |
+ |
} |
971 |
+ |
} |
972 |
+ |
|
973 |
|
// /** |
974 |
|
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
975 |
|
// */ |
1191 |
|
} |
1192 |
|
|
1193 |
|
/** |
1194 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1195 |
< |
* of throwing checked exceptions. |
1194 |
> |
* A CyclicBarrier that uses timed await and fails with |
1195 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1196 |
|
*/ |
1197 |
|
public class CheckedBarrier extends CyclicBarrier { |
1198 |
|
public CheckedBarrier(int parties) { super(parties); } |
1199 |
|
|
1200 |
|
public int await() { |
1201 |
|
try { |
1202 |
< |
return super.await(); |
1202 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1203 |
> |
} catch (TimeoutException e) { |
1204 |
> |
throw new AssertionFailedError("timed out"); |
1205 |
|
} catch (Exception e) { |
1206 |
|
AssertionFailedError afe = |
1207 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1238 |
|
} |
1239 |
|
} |
1240 |
|
|
1241 |
< |
@SuppressWarnings("unchecked") |
1242 |
< |
<T> T serialClone(T o) { |
1241 |
> |
void assertSerialEquals(Object x, Object y) { |
1242 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1243 |
> |
} |
1244 |
> |
|
1245 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1246 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1247 |
> |
} |
1248 |
> |
|
1249 |
> |
byte[] serialBytes(Object o) { |
1250 |
|
try { |
1251 |
|
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1252 |
|
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1253 |
|
oos.writeObject(o); |
1254 |
|
oos.flush(); |
1255 |
|
oos.close(); |
1256 |
< |
ByteArrayInputStream bin = |
1257 |
< |
new ByteArrayInputStream(bos.toByteArray()); |
1258 |
< |
ObjectInputStream ois = new ObjectInputStream(bin); |
1259 |
< |
return (T) ois.readObject(); |
1256 |
> |
return bos.toByteArray(); |
1257 |
> |
} catch (Throwable t) { |
1258 |
> |
threadUnexpectedException(t); |
1259 |
> |
return new byte[0]; |
1260 |
> |
} |
1261 |
> |
} |
1262 |
> |
|
1263 |
> |
@SuppressWarnings("unchecked") |
1264 |
> |
<T> T serialClone(T o) { |
1265 |
> |
try { |
1266 |
> |
ObjectInputStream ois = new ObjectInputStream |
1267 |
> |
(new ByteArrayInputStream(serialBytes(o))); |
1268 |
> |
T clone = (T) ois.readObject(); |
1269 |
> |
assertSame(o.getClass(), clone.getClass()); |
1270 |
> |
return clone; |
1271 |
|
} catch (Throwable t) { |
1272 |
|
threadUnexpectedException(t); |
1273 |
|
return null; |