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) { |
265 |
|
return 50; |
266 |
|
} |
267 |
|
|
263 |
– |
|
268 |
|
/** |
269 |
|
* Sets delays as multiples of SHORT_DELAY. |
270 |
|
*/ |
288 |
|
* milliseconds in the future. |
289 |
|
*/ |
290 |
|
Date delayedDate(long delayMillis) { |
291 |
< |
return new Date(new Date().getTime() + delayMillis); |
291 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
292 |
|
} |
293 |
|
|
294 |
|
/** |
312 |
|
} |
313 |
|
|
314 |
|
/** |
315 |
+ |
* Extra checks that get done for all test cases. |
316 |
+ |
* |
317 |
|
* Triggers test case failure if any thread assertions have failed, |
318 |
|
* by rethrowing, in the test harness thread, any exception recorded |
319 |
|
* earlier by threadRecordFailure. |
320 |
+ |
* |
321 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
322 |
|
*/ |
323 |
|
public void tearDown() throws Exception { |
324 |
|
Throwable t = threadFailure.getAndSet(null); |
336 |
|
throw afe; |
337 |
|
} |
338 |
|
} |
339 |
+ |
|
340 |
+ |
if (Thread.interrupted()) |
341 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
533 |
|
} |
534 |
|
|
535 |
|
/** |
536 |
+ |
* Checks that the threads do not terminate within the default |
537 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
538 |
+ |
*/ |
539 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
540 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
541 |
+ |
} |
542 |
+ |
|
543 |
+ |
/** |
544 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
545 |
+ |
*/ |
546 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
547 |
+ |
try { |
548 |
+ |
// No need to optimize the failing case via Thread.join. |
549 |
+ |
delay(millis); |
550 |
+ |
for (Thread thread : threads) |
551 |
+ |
assertTrue(thread.isAlive()); |
552 |
+ |
} catch (InterruptedException ie) { |
553 |
+ |
fail("Unexpected InterruptedException"); |
554 |
+ |
} |
555 |
+ |
} |
556 |
+ |
|
557 |
+ |
/** |
558 |
+ |
* Checks that future.get times out, with the default timeout of |
559 |
+ |
* {@code timeoutMillis()}. |
560 |
+ |
*/ |
561 |
+ |
void assertFutureTimesOut(Future future) { |
562 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
563 |
+ |
} |
564 |
+ |
|
565 |
+ |
/** |
566 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
567 |
+ |
*/ |
568 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
569 |
+ |
long startTime = System.nanoTime(); |
570 |
+ |
try { |
571 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
572 |
+ |
shouldThrow(); |
573 |
+ |
} catch (TimeoutException success) { |
574 |
+ |
} catch (Exception e) { |
575 |
+ |
threadUnexpectedException(e); |
576 |
+ |
} finally { future.cancel(true); } |
577 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
578 |
+ |
} |
579 |
+ |
|
580 |
+ |
/** |
581 |
|
* Fails with message "should throw exception". |
582 |
|
*/ |
583 |
|
public void shouldThrow() { |
628 |
|
SecurityManager sm = System.getSecurityManager(); |
629 |
|
if (sm == null) { |
630 |
|
r.run(); |
631 |
+ |
} |
632 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
633 |
+ |
} |
634 |
+ |
|
635 |
+ |
/** |
636 |
+ |
* Runs Runnable r with a security policy that permits precisely |
637 |
+ |
* the specified permissions. If there is no current security |
638 |
+ |
* manager, a temporary one is set for the duration of the |
639 |
+ |
* Runnable. We require that any security manager permit |
640 |
+ |
* getPolicy/setPolicy. |
641 |
+ |
*/ |
642 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
643 |
+ |
Permission... permissions) { |
644 |
+ |
SecurityManager sm = System.getSecurityManager(); |
645 |
+ |
if (sm == null) { |
646 |
|
Policy savedPolicy = Policy.getPolicy(); |
647 |
|
try { |
648 |
|
Policy.setPolicy(permissivePolicy()); |
649 |
|
System.setSecurityManager(new SecurityManager()); |
650 |
< |
runWithPermissions(r, permissions); |
650 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
651 |
|
} finally { |
652 |
|
System.setSecurityManager(null); |
653 |
|
Policy.setPolicy(savedPolicy); |
695 |
|
return perms.implies(p); |
696 |
|
} |
697 |
|
public void refresh() {} |
698 |
+ |
public String toString() { |
699 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
700 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
701 |
+ |
ps.add(e.nextElement()); |
702 |
+ |
return "AdjustablePolicy with permissions " + ps; |
703 |
+ |
} |
704 |
|
} |
705 |
|
|
706 |
|
/** |
738 |
|
} |
739 |
|
|
740 |
|
/** |
741 |
< |
* Waits up to the specified number of milliseconds for the given |
741 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
742 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
743 |
|
*/ |
744 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
745 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
669 |
< |
long t0 = System.nanoTime(); |
745 |
> |
long startTime = System.nanoTime(); |
746 |
|
for (;;) { |
747 |
|
Thread.State s = thread.getState(); |
748 |
|
if (s == Thread.State.BLOCKED || |
751 |
|
return; |
752 |
|
else if (s == Thread.State.TERMINATED) |
753 |
|
fail("Unexpected thread termination"); |
754 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
754 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
755 |
|
threadAssertTrue(thread.isAlive()); |
756 |
|
return; |
757 |
|
} |
797 |
|
} catch (InterruptedException ie) { |
798 |
|
threadUnexpectedException(ie); |
799 |
|
} finally { |
800 |
< |
if (t.isAlive()) { |
800 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
801 |
|
t.interrupt(); |
802 |
|
fail("Test timed out"); |
803 |
|
} |
952 |
|
} |
953 |
|
} |
954 |
|
|
955 |
+ |
public void await(Semaphore semaphore) { |
956 |
+ |
try { |
957 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
958 |
+ |
} catch (Throwable t) { |
959 |
+ |
threadUnexpectedException(t); |
960 |
+ |
} |
961 |
+ |
} |
962 |
+ |
|
963 |
|
// /** |
964 |
|
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
965 |
|
// */ |
1181 |
|
} |
1182 |
|
|
1183 |
|
/** |
1184 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1185 |
< |
* of throwing checked exceptions. |
1184 |
> |
* A CyclicBarrier that uses timed await and fails with |
1185 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1186 |
|
*/ |
1187 |
|
public class CheckedBarrier extends CyclicBarrier { |
1188 |
|
public CheckedBarrier(int parties) { super(parties); } |
1189 |
|
|
1190 |
|
public int await() { |
1191 |
|
try { |
1192 |
< |
return super.await(); |
1192 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1193 |
> |
} catch (TimeoutException e) { |
1194 |
> |
throw new AssertionFailedError("timed out"); |
1195 |
|
} catch (Exception e) { |
1196 |
|
AssertionFailedError afe = |
1197 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1228 |
|
} |
1229 |
|
} |
1230 |
|
|
1231 |
< |
@SuppressWarnings("unchecked") |
1232 |
< |
<T> T serialClone(T o) { |
1231 |
> |
void assertSerialEquals(Object x, Object y) { |
1232 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1233 |
> |
} |
1234 |
> |
|
1235 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1236 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1237 |
> |
} |
1238 |
> |
|
1239 |
> |
byte[] serialBytes(Object o) { |
1240 |
|
try { |
1241 |
|
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1242 |
|
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1243 |
|
oos.writeObject(o); |
1244 |
|
oos.flush(); |
1245 |
|
oos.close(); |
1246 |
< |
ByteArrayInputStream bin = |
1247 |
< |
new ByteArrayInputStream(bos.toByteArray()); |
1248 |
< |
ObjectInputStream ois = new ObjectInputStream(bin); |
1249 |
< |
return (T) ois.readObject(); |
1246 |
> |
return bos.toByteArray(); |
1247 |
> |
} catch (Throwable t) { |
1248 |
> |
threadUnexpectedException(t); |
1249 |
> |
return new byte[0]; |
1250 |
> |
} |
1251 |
> |
} |
1252 |
> |
|
1253 |
> |
@SuppressWarnings("unchecked") |
1254 |
> |
<T> T serialClone(T o) { |
1255 |
> |
try { |
1256 |
> |
ObjectInputStream ois = new ObjectInputStream |
1257 |
> |
(new ByteArrayInputStream(serialBytes(o))); |
1258 |
> |
T clone = (T) ois.readObject(); |
1259 |
> |
assertSame(o.getClass(), clone.getClass()); |
1260 |
> |
return clone; |
1261 |
|
} catch (Throwable t) { |
1262 |
|
threadUnexpectedException(t); |
1263 |
|
return null; |