1 |
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/* |
2 |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
4 |
< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
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|
9 |
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import junit.framework.*; |
10 |
+ |
import java.io.ByteArrayInputStream; |
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.lang.reflect.Method; |
17 |
+ |
import java.util.ArrayList; |
18 |
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import java.util.Arrays; |
19 |
+ |
import java.util.Date; |
20 |
+ |
import java.util.Enumeration; |
21 |
+ |
import java.util.List; |
22 |
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import java.util.NoSuchElementException; |
23 |
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import java.util.PropertyPermission; |
24 |
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import java.util.concurrent.*; |
25 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
26 |
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import java.util.concurrent.atomic.AtomicReference; |
27 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
28 |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
75 |
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* |
76 |
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* </ol> |
77 |
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* |
78 |
< |
* <p> <b>Other notes</b> |
78 |
> |
* <p><b>Other notes</b> |
79 |
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* <ul> |
80 |
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* |
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* <li> Usually, there is one testcase method per JSR166 method |
148 |
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} |
149 |
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|
150 |
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/** |
151 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
151 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
152 |
> |
* Optional command line arg provides the number of iterations to |
153 |
> |
* repeat running the tests. |
154 |
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*/ |
155 |
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public static void main(String[] args) { |
156 |
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if (useSecurityManager) { |
182 |
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return suite; |
183 |
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} |
184 |
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|
185 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
186 |
+ |
String... testClassNames) { |
187 |
+ |
for (String testClassName : testClassNames) { |
188 |
+ |
try { |
189 |
+ |
Class<?> testClass = Class.forName(testClassName); |
190 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
191 |
+ |
new Class<?>[0]); |
192 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
193 |
+ |
} catch (Exception e) { |
194 |
+ |
throw new Error("Missing test class", e); |
195 |
+ |
} |
196 |
+ |
} |
197 |
+ |
} |
198 |
+ |
|
199 |
+ |
public static final double JAVA_CLASS_VERSION; |
200 |
+ |
static { |
201 |
+ |
try { |
202 |
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JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
203 |
+ |
new java.security.PrivilegedAction<Double>() { |
204 |
+ |
public Double run() { |
205 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
206 |
+ |
} catch (Throwable t) { |
207 |
+ |
throw new Error(t); |
208 |
+ |
} |
209 |
+ |
} |
210 |
+ |
|
211 |
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public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
212 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
213 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
214 |
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|
215 |
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/** |
216 |
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* Collects all JSR166 unit tests as one suite. |
217 |
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*/ |
218 |
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public static Test suite() { |
219 |
< |
return newTestSuite( |
219 |
> |
// Java7+ test classes |
220 |
> |
TestSuite suite = newTestSuite( |
221 |
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ForkJoinPoolTest.suite(), |
222 |
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ForkJoinTaskTest.suite(), |
223 |
|
RecursiveActionTest.suite(), |
282 |
|
TreeSetTest.suite(), |
283 |
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TreeSubMapTest.suite(), |
284 |
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TreeSubSetTest.suite()); |
285 |
+ |
|
286 |
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// Java8+ test classes |
287 |
+ |
if (atLeastJava8()) { |
288 |
+ |
String[] java8TestClassNames = { |
289 |
+ |
"StampedLockTest", |
290 |
+ |
}; |
291 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
292 |
+ |
} |
293 |
+ |
|
294 |
+ |
return suite; |
295 |
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} |
296 |
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|
297 |
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|
309 |
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return 50; |
310 |
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} |
311 |
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|
257 |
– |
|
312 |
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/** |
313 |
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* Sets delays as multiples of SHORT_DELAY. |
314 |
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*/ |
320 |
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} |
321 |
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|
322 |
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/** |
323 |
+ |
* Returns a timeout in milliseconds to be used in tests that |
324 |
+ |
* verify that operations block or time out. |
325 |
+ |
*/ |
326 |
+ |
long timeoutMillis() { |
327 |
+ |
return SHORT_DELAY_MS / 4; |
328 |
+ |
} |
329 |
+ |
|
330 |
+ |
/** |
331 |
+ |
* Returns a new Date instance representing a time delayMillis |
332 |
+ |
* milliseconds in the future. |
333 |
+ |
*/ |
334 |
+ |
Date delayedDate(long delayMillis) { |
335 |
+ |
return new Date(System.currentTimeMillis() + delayMillis); |
336 |
+ |
} |
337 |
+ |
|
338 |
+ |
/** |
339 |
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* The first exception encountered if any threadAssertXXX method fails. |
340 |
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*/ |
341 |
|
private final AtomicReference<Throwable> threadFailure |
356 |
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} |
357 |
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|
358 |
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/** |
359 |
+ |
* Extra checks that get done for all test cases. |
360 |
+ |
* |
361 |
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* Triggers test case failure if any thread assertions have failed, |
362 |
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* by rethrowing, in the test harness thread, any exception recorded |
363 |
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* earlier by threadRecordFailure. |
364 |
+ |
* |
365 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
366 |
|
*/ |
367 |
|
public void tearDown() throws Exception { |
368 |
|
Throwable t = threadFailure.getAndSet(null); |
380 |
|
throw afe; |
381 |
|
} |
382 |
|
} |
383 |
+ |
|
384 |
+ |
if (Thread.interrupted()) |
385 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
386 |
|
} |
387 |
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|
388 |
|
/** |
514 |
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else { |
515 |
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AssertionFailedError afe = |
516 |
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new AssertionFailedError("unexpected exception: " + t); |
517 |
< |
t.initCause(t); |
517 |
> |
afe.initCause(t); |
518 |
|
throw afe; |
519 |
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} |
520 |
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} |
521 |
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|
522 |
|
/** |
523 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
524 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
525 |
+ |
* until time elapses. |
526 |
+ |
*/ |
527 |
+ |
static void delay(long millis) throws InterruptedException { |
528 |
+ |
long startTime = System.nanoTime(); |
529 |
+ |
long ns = millis * 1000 * 1000; |
530 |
+ |
for (;;) { |
531 |
+ |
if (millis > 0L) |
532 |
+ |
Thread.sleep(millis); |
533 |
+ |
else // too short to sleep |
534 |
+ |
Thread.yield(); |
535 |
+ |
long d = ns - (System.nanoTime() - startTime); |
536 |
+ |
if (d > 0L) |
537 |
+ |
millis = d / (1000 * 1000); |
538 |
+ |
else |
539 |
+ |
break; |
540 |
+ |
} |
541 |
+ |
} |
542 |
+ |
|
543 |
+ |
/** |
544 |
|
* Waits out termination of a thread pool or fails doing so. |
545 |
|
*/ |
546 |
< |
public void joinPool(ExecutorService exec) { |
546 |
> |
void joinPool(ExecutorService exec) { |
547 |
|
try { |
548 |
|
exec.shutdown(); |
549 |
|
assertTrue("ExecutorService did not terminate in a timely manner", |
555 |
|
} |
556 |
|
} |
557 |
|
|
558 |
+ |
/** |
559 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
560 |
+ |
*/ |
561 |
+ |
static void printAllStackTraces() { |
562 |
+ |
for (ThreadInfo info : |
563 |
+ |
ManagementFactory.getThreadMXBean() |
564 |
+ |
.dumpAllThreads(true, true)) |
565 |
+ |
System.err.print(info); |
566 |
+ |
} |
567 |
+ |
|
568 |
+ |
/** |
569 |
+ |
* Checks that thread does not terminate within the default |
570 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
571 |
+ |
*/ |
572 |
+ |
void assertThreadStaysAlive(Thread thread) { |
573 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
574 |
+ |
} |
575 |
+ |
|
576 |
+ |
/** |
577 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
578 |
+ |
*/ |
579 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
580 |
+ |
try { |
581 |
+ |
// No need to optimize the failing case via Thread.join. |
582 |
+ |
delay(millis); |
583 |
+ |
assertTrue(thread.isAlive()); |
584 |
+ |
} catch (InterruptedException ie) { |
585 |
+ |
fail("Unexpected InterruptedException"); |
586 |
+ |
} |
587 |
+ |
} |
588 |
+ |
|
589 |
+ |
/** |
590 |
+ |
* Checks that the threads do not terminate within the default |
591 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
592 |
+ |
*/ |
593 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
594 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
595 |
+ |
} |
596 |
+ |
|
597 |
+ |
/** |
598 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
599 |
+ |
*/ |
600 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
601 |
+ |
try { |
602 |
+ |
// No need to optimize the failing case via Thread.join. |
603 |
+ |
delay(millis); |
604 |
+ |
for (Thread thread : threads) |
605 |
+ |
assertTrue(thread.isAlive()); |
606 |
+ |
} catch (InterruptedException ie) { |
607 |
+ |
fail("Unexpected InterruptedException"); |
608 |
+ |
} |
609 |
+ |
} |
610 |
+ |
|
611 |
+ |
/** |
612 |
+ |
* Checks that future.get times out, with the default timeout of |
613 |
+ |
* {@code timeoutMillis()}. |
614 |
+ |
*/ |
615 |
+ |
void assertFutureTimesOut(Future future) { |
616 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
617 |
+ |
} |
618 |
+ |
|
619 |
+ |
/** |
620 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
621 |
+ |
*/ |
622 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
623 |
+ |
long startTime = System.nanoTime(); |
624 |
+ |
try { |
625 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
626 |
+ |
shouldThrow(); |
627 |
+ |
} catch (TimeoutException success) { |
628 |
+ |
} catch (Exception e) { |
629 |
+ |
threadUnexpectedException(e); |
630 |
+ |
} finally { future.cancel(true); } |
631 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
632 |
+ |
} |
633 |
|
|
634 |
|
/** |
635 |
|
* Fails with message "should throw exception". |
682 |
|
SecurityManager sm = System.getSecurityManager(); |
683 |
|
if (sm == null) { |
684 |
|
r.run(); |
685 |
+ |
} |
686 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
687 |
+ |
} |
688 |
+ |
|
689 |
+ |
/** |
690 |
+ |
* Runs Runnable r with a security policy that permits precisely |
691 |
+ |
* the specified permissions. If there is no current security |
692 |
+ |
* manager, a temporary one is set for the duration of the |
693 |
+ |
* Runnable. We require that any security manager permit |
694 |
+ |
* getPolicy/setPolicy. |
695 |
+ |
*/ |
696 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
697 |
+ |
Permission... permissions) { |
698 |
+ |
SecurityManager sm = System.getSecurityManager(); |
699 |
+ |
if (sm == null) { |
700 |
|
Policy savedPolicy = Policy.getPolicy(); |
701 |
|
try { |
702 |
|
Policy.setPolicy(permissivePolicy()); |
703 |
|
System.setSecurityManager(new SecurityManager()); |
704 |
< |
runWithPermissions(r, permissions); |
704 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
705 |
|
} finally { |
706 |
|
System.setSecurityManager(null); |
707 |
|
Policy.setPolicy(savedPolicy); |
749 |
|
return perms.implies(p); |
750 |
|
} |
751 |
|
public void refresh() {} |
752 |
+ |
public String toString() { |
753 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
754 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
755 |
+ |
ps.add(e.nextElement()); |
756 |
+ |
return "AdjustablePolicy with permissions " + ps; |
757 |
+ |
} |
758 |
|
} |
759 |
|
|
760 |
|
/** |
782 |
|
*/ |
783 |
|
void sleep(long millis) { |
784 |
|
try { |
785 |
< |
Thread.sleep(millis); |
785 |
> |
delay(millis); |
786 |
|
} catch (InterruptedException ie) { |
787 |
|
AssertionFailedError afe = |
788 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
792 |
|
} |
793 |
|
|
794 |
|
/** |
795 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
602 |
< |
* Does <em>NOT</em> throw InterruptedException. |
603 |
< |
*/ |
604 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
605 |
< |
try { |
606 |
< |
Thread.sleep(timeoutMillis); |
607 |
< |
} catch (InterruptedException wakeup) {} |
608 |
< |
} |
609 |
< |
|
610 |
< |
/** |
611 |
< |
* Waits up to the specified number of milliseconds for the given |
795 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
796 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
797 |
|
*/ |
798 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
799 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
616 |
< |
long t0 = System.nanoTime(); |
799 |
> |
long startTime = System.nanoTime(); |
800 |
|
for (;;) { |
801 |
|
Thread.State s = thread.getState(); |
802 |
|
if (s == Thread.State.BLOCKED || |
805 |
|
return; |
806 |
|
else if (s == Thread.State.TERMINATED) |
807 |
|
fail("Unexpected thread termination"); |
808 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
808 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
809 |
|
threadAssertTrue(thread.isAlive()); |
810 |
|
return; |
811 |
|
} |
814 |
|
} |
815 |
|
|
816 |
|
/** |
817 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
818 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
819 |
+ |
*/ |
820 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
821 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
822 |
+ |
} |
823 |
+ |
|
824 |
+ |
/** |
825 |
|
* Returns the number of milliseconds since time given by |
826 |
|
* startNanoTime, which must have been previously returned from a |
827 |
|
* call to {@link System.nanoTime()}. |
851 |
|
} catch (InterruptedException ie) { |
852 |
|
threadUnexpectedException(ie); |
853 |
|
} finally { |
854 |
< |
if (t.isAlive()) { |
854 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
855 |
|
t.interrupt(); |
856 |
|
fail("Test timed out"); |
857 |
|
} |
858 |
|
} |
859 |
|
} |
860 |
|
|
861 |
+ |
/** |
862 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
863 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
864 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
865 |
+ |
*/ |
866 |
+ |
void awaitTermination(Thread t) { |
867 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
868 |
+ |
} |
869 |
+ |
|
870 |
|
// Some convenient Runnable classes |
871 |
|
|
872 |
|
public abstract class CheckedRunnable implements Runnable { |
929 |
|
realRun(); |
930 |
|
threadShouldThrow("InterruptedException"); |
931 |
|
} catch (InterruptedException success) { |
932 |
+ |
threadAssertFalse(Thread.interrupted()); |
933 |
|
} catch (Throwable t) { |
934 |
|
threadUnexpectedException(t); |
935 |
|
} |
959 |
|
threadShouldThrow("InterruptedException"); |
960 |
|
return result; |
961 |
|
} catch (InterruptedException success) { |
962 |
+ |
threadAssertFalse(Thread.interrupted()); |
963 |
|
} catch (Throwable t) { |
964 |
|
threadUnexpectedException(t); |
965 |
|
} |
991 |
|
}}; |
992 |
|
} |
993 |
|
|
994 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
995 |
+ |
return new CheckedRunnable() { |
996 |
+ |
public void realRun() throws InterruptedException { |
997 |
+ |
await(latch); |
998 |
+ |
}}; |
999 |
+ |
} |
1000 |
+ |
|
1001 |
+ |
public void await(CountDownLatch latch) { |
1002 |
+ |
try { |
1003 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1004 |
+ |
} catch (Throwable t) { |
1005 |
+ |
threadUnexpectedException(t); |
1006 |
+ |
} |
1007 |
+ |
} |
1008 |
+ |
|
1009 |
+ |
public void await(Semaphore semaphore) { |
1010 |
+ |
try { |
1011 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1012 |
+ |
} catch (Throwable t) { |
1013 |
+ |
threadUnexpectedException(t); |
1014 |
+ |
} |
1015 |
+ |
} |
1016 |
+ |
|
1017 |
+ |
// /** |
1018 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1019 |
+ |
// */ |
1020 |
+ |
// public void await(AtomicBoolean flag) { |
1021 |
+ |
// await(flag, LONG_DELAY_MS); |
1022 |
+ |
// } |
1023 |
+ |
|
1024 |
+ |
// /** |
1025 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1026 |
+ |
// */ |
1027 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1028 |
+ |
// long startTime = System.nanoTime(); |
1029 |
+ |
// while (!flag.get()) { |
1030 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1031 |
+ |
// throw new AssertionFailedError("timed out"); |
1032 |
+ |
// Thread.yield(); |
1033 |
+ |
// } |
1034 |
+ |
// } |
1035 |
+ |
|
1036 |
|
public static class NPETask implements Callable<String> { |
1037 |
|
public String call() { throw new NullPointerException(); } |
1038 |
|
} |
1043 |
|
|
1044 |
|
public class ShortRunnable extends CheckedRunnable { |
1045 |
|
protected void realRun() throws Throwable { |
1046 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1046 |
> |
delay(SHORT_DELAY_MS); |
1047 |
|
} |
1048 |
|
} |
1049 |
|
|
1050 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1051 |
|
protected void realRun() throws InterruptedException { |
1052 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1052 |
> |
delay(SHORT_DELAY_MS); |
1053 |
|
} |
1054 |
|
} |
1055 |
|
|
1056 |
|
public class SmallRunnable extends CheckedRunnable { |
1057 |
|
protected void realRun() throws Throwable { |
1058 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1058 |
> |
delay(SMALL_DELAY_MS); |
1059 |
|
} |
1060 |
|
} |
1061 |
|
|
1062 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1063 |
|
protected void realRun() { |
1064 |
|
try { |
1065 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1065 |
> |
delay(SMALL_DELAY_MS); |
1066 |
|
} catch (InterruptedException ok) {} |
1067 |
|
} |
1068 |
|
} |
1069 |
|
|
1070 |
|
public class SmallCallable extends CheckedCallable { |
1071 |
|
protected Object realCall() throws InterruptedException { |
1072 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1072 |
> |
delay(SMALL_DELAY_MS); |
1073 |
|
return Boolean.TRUE; |
1074 |
|
} |
1075 |
|
} |
1076 |
|
|
1077 |
|
public class MediumRunnable extends CheckedRunnable { |
1078 |
|
protected void realRun() throws Throwable { |
1079 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1079 |
> |
delay(MEDIUM_DELAY_MS); |
1080 |
|
} |
1081 |
|
} |
1082 |
|
|
1083 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1084 |
|
protected void realRun() throws InterruptedException { |
1085 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1085 |
> |
delay(MEDIUM_DELAY_MS); |
1086 |
|
} |
1087 |
|
} |
1088 |
|
|
1090 |
|
return new CheckedRunnable() { |
1091 |
|
protected void realRun() { |
1092 |
|
try { |
1093 |
< |
Thread.sleep(timeoutMillis); |
1093 |
> |
delay(timeoutMillis); |
1094 |
|
} catch (InterruptedException ok) {} |
1095 |
|
}}; |
1096 |
|
} |
1098 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1099 |
|
protected void realRun() { |
1100 |
|
try { |
1101 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1101 |
> |
delay(MEDIUM_DELAY_MS); |
1102 |
|
} catch (InterruptedException ok) {} |
1103 |
|
} |
1104 |
|
} |
1106 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1107 |
|
protected void realRun() { |
1108 |
|
try { |
1109 |
< |
Thread.sleep(LONG_DELAY_MS); |
1109 |
> |
delay(LONG_DELAY_MS); |
1110 |
|
} catch (InterruptedException ok) {} |
1111 |
|
} |
1112 |
|
} |
1130 |
|
public boolean isDone() { return done; } |
1131 |
|
public void run() { |
1132 |
|
try { |
1133 |
< |
Thread.sleep(timeoutMillis); |
1133 |
> |
delay(timeoutMillis); |
1134 |
|
done = true; |
1135 |
|
} catch (InterruptedException ok) {} |
1136 |
|
} |
1141 |
|
public volatile boolean done = false; |
1142 |
|
public void run() { |
1143 |
|
try { |
1144 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1144 |
> |
delay(SHORT_DELAY_MS); |
1145 |
|
done = true; |
1146 |
|
} catch (InterruptedException ok) {} |
1147 |
|
} |
1151 |
|
public volatile boolean done = false; |
1152 |
|
public void run() { |
1153 |
|
try { |
1154 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1154 |
> |
delay(SMALL_DELAY_MS); |
1155 |
|
done = true; |
1156 |
|
} catch (InterruptedException ok) {} |
1157 |
|
} |
1161 |
|
public volatile boolean done = false; |
1162 |
|
public void run() { |
1163 |
|
try { |
1164 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1164 |
> |
delay(MEDIUM_DELAY_MS); |
1165 |
|
done = true; |
1166 |
|
} catch (InterruptedException ok) {} |
1167 |
|
} |
1171 |
|
public volatile boolean done = false; |
1172 |
|
public void run() { |
1173 |
|
try { |
1174 |
< |
Thread.sleep(LONG_DELAY_MS); |
1174 |
> |
delay(LONG_DELAY_MS); |
1175 |
|
done = true; |
1176 |
|
} catch (InterruptedException ok) {} |
1177 |
|
} |
1188 |
|
public volatile boolean done = false; |
1189 |
|
public Object call() { |
1190 |
|
try { |
1191 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1191 |
> |
delay(SMALL_DELAY_MS); |
1192 |
|
done = true; |
1193 |
|
} catch (InterruptedException ok) {} |
1194 |
|
return Boolean.TRUE; |
1235 |
|
} |
1236 |
|
|
1237 |
|
/** |
1238 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1239 |
< |
* of throwing checked exceptions. |
1238 |
> |
* A CyclicBarrier that uses timed await and fails with |
1239 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1240 |
|
*/ |
1241 |
|
public class CheckedBarrier extends CyclicBarrier { |
1242 |
|
public CheckedBarrier(int parties) { super(parties); } |
1243 |
|
|
1244 |
|
public int await() { |
1245 |
|
try { |
1246 |
< |
return super.await(); |
1246 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1247 |
> |
} catch (TimeoutException e) { |
1248 |
> |
throw new AssertionFailedError("timed out"); |
1249 |
|
} catch (Exception e) { |
1250 |
|
AssertionFailedError afe = |
1251 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1255 |
|
} |
1256 |
|
} |
1257 |
|
|
1258 |
< |
public void checkEmpty(BlockingQueue q) { |
1258 |
> |
void checkEmpty(BlockingQueue q) { |
1259 |
|
try { |
1260 |
|
assertTrue(q.isEmpty()); |
1261 |
|
assertEquals(0, q.size()); |
1282 |
|
} |
1283 |
|
} |
1284 |
|
|
1285 |
+ |
void assertSerialEquals(Object x, Object y) { |
1286 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1287 |
+ |
} |
1288 |
+ |
|
1289 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1290 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1291 |
+ |
} |
1292 |
+ |
|
1293 |
+ |
byte[] serialBytes(Object o) { |
1294 |
+ |
try { |
1295 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1296 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1297 |
+ |
oos.writeObject(o); |
1298 |
+ |
oos.flush(); |
1299 |
+ |
oos.close(); |
1300 |
+ |
return bos.toByteArray(); |
1301 |
+ |
} catch (Throwable t) { |
1302 |
+ |
threadUnexpectedException(t); |
1303 |
+ |
return new byte[0]; |
1304 |
+ |
} |
1305 |
+ |
} |
1306 |
+ |
|
1307 |
+ |
@SuppressWarnings("unchecked") |
1308 |
+ |
<T> T serialClone(T o) { |
1309 |
+ |
try { |
1310 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1311 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1312 |
+ |
T clone = (T) ois.readObject(); |
1313 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1314 |
+ |
return clone; |
1315 |
+ |
} catch (Throwable t) { |
1316 |
+ |
threadUnexpectedException(t); |
1317 |
+ |
return null; |
1318 |
+ |
} |
1319 |
+ |
} |
1320 |
|
} |