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 |
+ |
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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* |
81 |
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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 |
|
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 |
+ |
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 |
+ |
|
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 |
|
ForkJoinTaskTest.suite(), |
223 |
|
RecursiveActionTest.suite(), |
282 |
|
TreeSetTest.suite(), |
283 |
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TreeSubMapTest.suite(), |
284 |
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TreeSubSetTest.suite()); |
285 |
+ |
|
286 |
+ |
// Java8+ test classes |
287 |
+ |
if (atLeastJava8()) { |
288 |
+ |
String[] java8TestClassNames = { |
289 |
+ |
"StampedLockTest", |
290 |
+ |
"ForkJoinPool8Test", |
291 |
+ |
}; |
292 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
293 |
+ |
} |
294 |
+ |
|
295 |
+ |
return suite; |
296 |
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} |
297 |
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|
298 |
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|
310 |
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return 50; |
311 |
|
} |
312 |
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|
255 |
– |
|
313 |
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/** |
314 |
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* Sets delays as multiples of SHORT_DELAY. |
315 |
|
*/ |
321 |
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} |
322 |
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|
323 |
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/** |
324 |
+ |
* Returns a timeout in milliseconds to be used in tests that |
325 |
+ |
* verify that operations block or time out. |
326 |
+ |
*/ |
327 |
+ |
long timeoutMillis() { |
328 |
+ |
return SHORT_DELAY_MS / 4; |
329 |
+ |
} |
330 |
+ |
|
331 |
+ |
/** |
332 |
+ |
* Returns a new Date instance representing a time delayMillis |
333 |
+ |
* milliseconds in the future. |
334 |
+ |
*/ |
335 |
+ |
Date delayedDate(long delayMillis) { |
336 |
+ |
return new Date(System.currentTimeMillis() + delayMillis); |
337 |
+ |
} |
338 |
+ |
|
339 |
+ |
/** |
340 |
|
* The first exception encountered if any threadAssertXXX method fails. |
341 |
|
*/ |
342 |
|
private final AtomicReference<Throwable> threadFailure |
357 |
|
} |
358 |
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|
359 |
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/** |
360 |
+ |
* Extra checks that get done for all test cases. |
361 |
+ |
* |
362 |
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* Triggers test case failure if any thread assertions have failed, |
363 |
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* by rethrowing, in the test harness thread, any exception recorded |
364 |
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* earlier by threadRecordFailure. |
365 |
+ |
* |
366 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
367 |
|
*/ |
368 |
|
public void tearDown() throws Exception { |
369 |
|
Throwable t = threadFailure.getAndSet(null); |
381 |
|
throw afe; |
382 |
|
} |
383 |
|
} |
384 |
+ |
|
385 |
+ |
if (Thread.interrupted()) |
386 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
387 |
+ |
|
388 |
+ |
checkForkJoinPoolThreadLeaks(); |
389 |
+ |
} |
390 |
+ |
|
391 |
+ |
/** |
392 |
+ |
* Find missing try { ... } finally { joinPool(e); } |
393 |
+ |
*/ |
394 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
395 |
+ |
Thread[] survivors = new Thread[5]; |
396 |
+ |
int count = Thread.enumerate(survivors); |
397 |
+ |
for (int i = 0; i < count; i++) { |
398 |
+ |
Thread thread = survivors[i]; |
399 |
+ |
String name = thread.getName(); |
400 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
401 |
+ |
// give thread some time to terminate |
402 |
+ |
thread.join(LONG_DELAY_MS); |
403 |
+ |
if (!thread.isAlive()) continue; |
404 |
+ |
thread.stop(); |
405 |
+ |
throw new AssertionFailedError |
406 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
407 |
+ |
toString(), name)); |
408 |
+ |
} |
409 |
+ |
} |
410 |
|
} |
411 |
|
|
412 |
|
/** |
538 |
|
else { |
539 |
|
AssertionFailedError afe = |
540 |
|
new AssertionFailedError("unexpected exception: " + t); |
541 |
< |
t.initCause(t); |
541 |
> |
afe.initCause(t); |
542 |
|
throw afe; |
543 |
|
} |
544 |
|
} |
545 |
|
|
546 |
|
/** |
547 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
548 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
549 |
+ |
* until time elapses. |
550 |
+ |
*/ |
551 |
+ |
static void delay(long millis) throws InterruptedException { |
552 |
+ |
long startTime = System.nanoTime(); |
553 |
+ |
long ns = millis * 1000 * 1000; |
554 |
+ |
for (;;) { |
555 |
+ |
if (millis > 0L) |
556 |
+ |
Thread.sleep(millis); |
557 |
+ |
else // too short to sleep |
558 |
+ |
Thread.yield(); |
559 |
+ |
long d = ns - (System.nanoTime() - startTime); |
560 |
+ |
if (d > 0L) |
561 |
+ |
millis = d / (1000 * 1000); |
562 |
+ |
else |
563 |
+ |
break; |
564 |
+ |
} |
565 |
+ |
} |
566 |
+ |
|
567 |
+ |
/** |
568 |
|
* Waits out termination of a thread pool or fails doing so. |
569 |
|
*/ |
570 |
< |
public void joinPool(ExecutorService exec) { |
570 |
> |
void joinPool(ExecutorService exec) { |
571 |
|
try { |
572 |
|
exec.shutdown(); |
573 |
|
assertTrue("ExecutorService did not terminate in a timely manner", |
579 |
|
} |
580 |
|
} |
581 |
|
|
582 |
+ |
/** |
583 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
584 |
+ |
*/ |
585 |
+ |
static void printAllStackTraces() { |
586 |
+ |
for (ThreadInfo info : |
587 |
+ |
ManagementFactory.getThreadMXBean() |
588 |
+ |
.dumpAllThreads(true, true)) |
589 |
+ |
System.err.print(info); |
590 |
+ |
} |
591 |
+ |
|
592 |
+ |
/** |
593 |
+ |
* Checks that thread does not terminate within the default |
594 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
595 |
+ |
*/ |
596 |
+ |
void assertThreadStaysAlive(Thread thread) { |
597 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
598 |
+ |
} |
599 |
+ |
|
600 |
+ |
/** |
601 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
602 |
+ |
*/ |
603 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
604 |
+ |
try { |
605 |
+ |
// No need to optimize the failing case via Thread.join. |
606 |
+ |
delay(millis); |
607 |
+ |
assertTrue(thread.isAlive()); |
608 |
+ |
} catch (InterruptedException ie) { |
609 |
+ |
fail("Unexpected InterruptedException"); |
610 |
+ |
} |
611 |
+ |
} |
612 |
+ |
|
613 |
+ |
/** |
614 |
+ |
* Checks that the threads do not terminate within the default |
615 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
616 |
+ |
*/ |
617 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
618 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
619 |
+ |
} |
620 |
+ |
|
621 |
+ |
/** |
622 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
623 |
+ |
*/ |
624 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
625 |
+ |
try { |
626 |
+ |
// No need to optimize the failing case via Thread.join. |
627 |
+ |
delay(millis); |
628 |
+ |
for (Thread thread : threads) |
629 |
+ |
assertTrue(thread.isAlive()); |
630 |
+ |
} catch (InterruptedException ie) { |
631 |
+ |
fail("Unexpected InterruptedException"); |
632 |
+ |
} |
633 |
+ |
} |
634 |
+ |
|
635 |
+ |
/** |
636 |
+ |
* Checks that future.get times out, with the default timeout of |
637 |
+ |
* {@code timeoutMillis()}. |
638 |
+ |
*/ |
639 |
+ |
void assertFutureTimesOut(Future future) { |
640 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
641 |
+ |
} |
642 |
+ |
|
643 |
+ |
/** |
644 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
645 |
+ |
*/ |
646 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
647 |
+ |
long startTime = System.nanoTime(); |
648 |
+ |
try { |
649 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
650 |
+ |
shouldThrow(); |
651 |
+ |
} catch (TimeoutException success) { |
652 |
+ |
} catch (Exception e) { |
653 |
+ |
threadUnexpectedException(e); |
654 |
+ |
} finally { future.cancel(true); } |
655 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
656 |
+ |
} |
657 |
|
|
658 |
|
/** |
659 |
|
* Fails with message "should throw exception". |
706 |
|
SecurityManager sm = System.getSecurityManager(); |
707 |
|
if (sm == null) { |
708 |
|
r.run(); |
709 |
+ |
} |
710 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
711 |
+ |
} |
712 |
+ |
|
713 |
+ |
/** |
714 |
+ |
* Runs Runnable r with a security policy that permits precisely |
715 |
+ |
* the specified permissions. If there is no current security |
716 |
+ |
* manager, a temporary one is set for the duration of the |
717 |
+ |
* Runnable. We require that any security manager permit |
718 |
+ |
* getPolicy/setPolicy. |
719 |
+ |
*/ |
720 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
721 |
+ |
Permission... permissions) { |
722 |
+ |
SecurityManager sm = System.getSecurityManager(); |
723 |
+ |
if (sm == null) { |
724 |
|
Policy savedPolicy = Policy.getPolicy(); |
725 |
|
try { |
726 |
|
Policy.setPolicy(permissivePolicy()); |
727 |
|
System.setSecurityManager(new SecurityManager()); |
728 |
< |
runWithPermissions(r, permissions); |
728 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
729 |
|
} finally { |
730 |
|
System.setSecurityManager(null); |
731 |
|
Policy.setPolicy(savedPolicy); |
773 |
|
return perms.implies(p); |
774 |
|
} |
775 |
|
public void refresh() {} |
776 |
+ |
public String toString() { |
777 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
778 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
779 |
+ |
ps.add(e.nextElement()); |
780 |
+ |
return "AdjustablePolicy with permissions " + ps; |
781 |
+ |
} |
782 |
|
} |
783 |
|
|
784 |
|
/** |
806 |
|
*/ |
807 |
|
void sleep(long millis) { |
808 |
|
try { |
809 |
< |
Thread.sleep(millis); |
809 |
> |
delay(millis); |
810 |
|
} catch (InterruptedException ie) { |
811 |
|
AssertionFailedError afe = |
812 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
816 |
|
} |
817 |
|
|
818 |
|
/** |
819 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
600 |
< |
* Does <em>NOT</em> throw InterruptedException. |
601 |
< |
*/ |
602 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
603 |
< |
try { |
604 |
< |
Thread.sleep(timeoutMillis); |
605 |
< |
} catch (InterruptedException wakeup) {} |
606 |
< |
} |
607 |
< |
|
608 |
< |
/** |
609 |
< |
* Waits up to the specified number of milliseconds for the given |
819 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
820 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
821 |
|
*/ |
822 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
823 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
614 |
< |
long t0 = System.nanoTime(); |
823 |
> |
long startTime = System.nanoTime(); |
824 |
|
for (;;) { |
825 |
|
Thread.State s = thread.getState(); |
826 |
|
if (s == Thread.State.BLOCKED || |
829 |
|
return; |
830 |
|
else if (s == Thread.State.TERMINATED) |
831 |
|
fail("Unexpected thread termination"); |
832 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
832 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
833 |
|
threadAssertTrue(thread.isAlive()); |
834 |
|
return; |
835 |
|
} |
838 |
|
} |
839 |
|
|
840 |
|
/** |
841 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
842 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
843 |
+ |
*/ |
844 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
845 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
846 |
+ |
} |
847 |
+ |
|
848 |
+ |
/** |
849 |
|
* Returns the number of milliseconds since time given by |
850 |
|
* startNanoTime, which must have been previously returned from a |
851 |
|
* call to {@link System.nanoTime()}. |
875 |
|
} catch (InterruptedException ie) { |
876 |
|
threadUnexpectedException(ie); |
877 |
|
} finally { |
878 |
< |
if (t.isAlive()) { |
878 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
879 |
|
t.interrupt(); |
880 |
|
fail("Test timed out"); |
881 |
|
} |
882 |
|
} |
883 |
|
} |
884 |
|
|
885 |
+ |
/** |
886 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
887 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
888 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
889 |
+ |
*/ |
890 |
+ |
void awaitTermination(Thread t) { |
891 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
892 |
+ |
} |
893 |
+ |
|
894 |
|
// Some convenient Runnable classes |
895 |
|
|
896 |
|
public abstract class CheckedRunnable implements Runnable { |
953 |
|
realRun(); |
954 |
|
threadShouldThrow("InterruptedException"); |
955 |
|
} catch (InterruptedException success) { |
956 |
+ |
threadAssertFalse(Thread.interrupted()); |
957 |
|
} catch (Throwable t) { |
958 |
|
threadUnexpectedException(t); |
959 |
|
} |
983 |
|
threadShouldThrow("InterruptedException"); |
984 |
|
return result; |
985 |
|
} catch (InterruptedException success) { |
986 |
+ |
threadAssertFalse(Thread.interrupted()); |
987 |
|
} catch (Throwable t) { |
988 |
|
threadUnexpectedException(t); |
989 |
|
} |
1015 |
|
}}; |
1016 |
|
} |
1017 |
|
|
1018 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1019 |
+ |
return new CheckedRunnable() { |
1020 |
+ |
public void realRun() throws InterruptedException { |
1021 |
+ |
await(latch); |
1022 |
+ |
}}; |
1023 |
+ |
} |
1024 |
+ |
|
1025 |
+ |
public void await(CountDownLatch latch) { |
1026 |
+ |
try { |
1027 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1028 |
+ |
} catch (Throwable t) { |
1029 |
+ |
threadUnexpectedException(t); |
1030 |
+ |
} |
1031 |
+ |
} |
1032 |
+ |
|
1033 |
+ |
public void await(Semaphore semaphore) { |
1034 |
+ |
try { |
1035 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1036 |
+ |
} catch (Throwable t) { |
1037 |
+ |
threadUnexpectedException(t); |
1038 |
+ |
} |
1039 |
+ |
} |
1040 |
+ |
|
1041 |
+ |
// /** |
1042 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1043 |
+ |
// */ |
1044 |
+ |
// public void await(AtomicBoolean flag) { |
1045 |
+ |
// await(flag, LONG_DELAY_MS); |
1046 |
+ |
// } |
1047 |
+ |
|
1048 |
+ |
// /** |
1049 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1050 |
+ |
// */ |
1051 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1052 |
+ |
// long startTime = System.nanoTime(); |
1053 |
+ |
// while (!flag.get()) { |
1054 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1055 |
+ |
// throw new AssertionFailedError("timed out"); |
1056 |
+ |
// Thread.yield(); |
1057 |
+ |
// } |
1058 |
+ |
// } |
1059 |
+ |
|
1060 |
|
public static class NPETask implements Callable<String> { |
1061 |
|
public String call() { throw new NullPointerException(); } |
1062 |
|
} |
1067 |
|
|
1068 |
|
public class ShortRunnable extends CheckedRunnable { |
1069 |
|
protected void realRun() throws Throwable { |
1070 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1070 |
> |
delay(SHORT_DELAY_MS); |
1071 |
|
} |
1072 |
|
} |
1073 |
|
|
1074 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1075 |
|
protected void realRun() throws InterruptedException { |
1076 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1076 |
> |
delay(SHORT_DELAY_MS); |
1077 |
|
} |
1078 |
|
} |
1079 |
|
|
1080 |
|
public class SmallRunnable extends CheckedRunnable { |
1081 |
|
protected void realRun() throws Throwable { |
1082 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1082 |
> |
delay(SMALL_DELAY_MS); |
1083 |
|
} |
1084 |
|
} |
1085 |
|
|
1086 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1087 |
|
protected void realRun() { |
1088 |
|
try { |
1089 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1089 |
> |
delay(SMALL_DELAY_MS); |
1090 |
|
} catch (InterruptedException ok) {} |
1091 |
|
} |
1092 |
|
} |
1093 |
|
|
1094 |
|
public class SmallCallable extends CheckedCallable { |
1095 |
|
protected Object realCall() throws InterruptedException { |
1096 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1096 |
> |
delay(SMALL_DELAY_MS); |
1097 |
|
return Boolean.TRUE; |
1098 |
|
} |
1099 |
|
} |
1100 |
|
|
1101 |
|
public class MediumRunnable extends CheckedRunnable { |
1102 |
|
protected void realRun() throws Throwable { |
1103 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1103 |
> |
delay(MEDIUM_DELAY_MS); |
1104 |
|
} |
1105 |
|
} |
1106 |
|
|
1107 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1108 |
|
protected void realRun() throws InterruptedException { |
1109 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1109 |
> |
delay(MEDIUM_DELAY_MS); |
1110 |
|
} |
1111 |
|
} |
1112 |
|
|
1114 |
|
return new CheckedRunnable() { |
1115 |
|
protected void realRun() { |
1116 |
|
try { |
1117 |
< |
Thread.sleep(timeoutMillis); |
1117 |
> |
delay(timeoutMillis); |
1118 |
|
} catch (InterruptedException ok) {} |
1119 |
|
}}; |
1120 |
|
} |
1122 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1123 |
|
protected void realRun() { |
1124 |
|
try { |
1125 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1125 |
> |
delay(MEDIUM_DELAY_MS); |
1126 |
|
} catch (InterruptedException ok) {} |
1127 |
|
} |
1128 |
|
} |
1130 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1131 |
|
protected void realRun() { |
1132 |
|
try { |
1133 |
< |
Thread.sleep(LONG_DELAY_MS); |
1133 |
> |
delay(LONG_DELAY_MS); |
1134 |
|
} catch (InterruptedException ok) {} |
1135 |
|
} |
1136 |
|
} |
1154 |
|
public boolean isDone() { return done; } |
1155 |
|
public void run() { |
1156 |
|
try { |
1157 |
< |
Thread.sleep(timeoutMillis); |
1157 |
> |
delay(timeoutMillis); |
1158 |
|
done = true; |
1159 |
|
} catch (InterruptedException ok) {} |
1160 |
|
} |
1165 |
|
public volatile boolean done = false; |
1166 |
|
public void run() { |
1167 |
|
try { |
1168 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1168 |
> |
delay(SHORT_DELAY_MS); |
1169 |
|
done = true; |
1170 |
|
} catch (InterruptedException ok) {} |
1171 |
|
} |
1175 |
|
public volatile boolean done = false; |
1176 |
|
public void run() { |
1177 |
|
try { |
1178 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1178 |
> |
delay(SMALL_DELAY_MS); |
1179 |
|
done = true; |
1180 |
|
} catch (InterruptedException ok) {} |
1181 |
|
} |
1185 |
|
public volatile boolean done = false; |
1186 |
|
public void run() { |
1187 |
|
try { |
1188 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1188 |
> |
delay(MEDIUM_DELAY_MS); |
1189 |
|
done = true; |
1190 |
|
} catch (InterruptedException ok) {} |
1191 |
|
} |
1195 |
|
public volatile boolean done = false; |
1196 |
|
public void run() { |
1197 |
|
try { |
1198 |
< |
Thread.sleep(LONG_DELAY_MS); |
1198 |
> |
delay(LONG_DELAY_MS); |
1199 |
|
done = true; |
1200 |
|
} catch (InterruptedException ok) {} |
1201 |
|
} |
1212 |
|
public volatile boolean done = false; |
1213 |
|
public Object call() { |
1214 |
|
try { |
1215 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1215 |
> |
delay(SMALL_DELAY_MS); |
1216 |
|
done = true; |
1217 |
|
} catch (InterruptedException ok) {} |
1218 |
|
return Boolean.TRUE; |
1259 |
|
} |
1260 |
|
|
1261 |
|
/** |
1262 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1263 |
< |
* of throwing checked exceptions. |
1262 |
> |
* A CyclicBarrier that uses timed await and fails with |
1263 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1264 |
|
*/ |
1265 |
|
public class CheckedBarrier extends CyclicBarrier { |
1266 |
|
public CheckedBarrier(int parties) { super(parties); } |
1267 |
|
|
1268 |
|
public int await() { |
1269 |
|
try { |
1270 |
< |
return super.await(); |
1270 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1271 |
> |
} catch (TimeoutException e) { |
1272 |
> |
throw new AssertionFailedError("timed out"); |
1273 |
|
} catch (Exception e) { |
1274 |
|
AssertionFailedError afe = |
1275 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1279 |
|
} |
1280 |
|
} |
1281 |
|
|
1282 |
+ |
void checkEmpty(BlockingQueue q) { |
1283 |
+ |
try { |
1284 |
+ |
assertTrue(q.isEmpty()); |
1285 |
+ |
assertEquals(0, q.size()); |
1286 |
+ |
assertNull(q.peek()); |
1287 |
+ |
assertNull(q.poll()); |
1288 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1289 |
+ |
assertEquals(q.toString(), "[]"); |
1290 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1291 |
+ |
assertFalse(q.iterator().hasNext()); |
1292 |
+ |
try { |
1293 |
+ |
q.element(); |
1294 |
+ |
shouldThrow(); |
1295 |
+ |
} catch (NoSuchElementException success) {} |
1296 |
+ |
try { |
1297 |
+ |
q.iterator().next(); |
1298 |
+ |
shouldThrow(); |
1299 |
+ |
} catch (NoSuchElementException success) {} |
1300 |
+ |
try { |
1301 |
+ |
q.remove(); |
1302 |
+ |
shouldThrow(); |
1303 |
+ |
} catch (NoSuchElementException success) {} |
1304 |
+ |
} catch (InterruptedException ie) { |
1305 |
+ |
threadUnexpectedException(ie); |
1306 |
+ |
} |
1307 |
+ |
} |
1308 |
+ |
|
1309 |
+ |
void assertSerialEquals(Object x, Object y) { |
1310 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1311 |
+ |
} |
1312 |
+ |
|
1313 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1314 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1315 |
+ |
} |
1316 |
+ |
|
1317 |
+ |
byte[] serialBytes(Object o) { |
1318 |
+ |
try { |
1319 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1320 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1321 |
+ |
oos.writeObject(o); |
1322 |
+ |
oos.flush(); |
1323 |
+ |
oos.close(); |
1324 |
+ |
return bos.toByteArray(); |
1325 |
+ |
} catch (Throwable t) { |
1326 |
+ |
threadUnexpectedException(t); |
1327 |
+ |
return new byte[0]; |
1328 |
+ |
} |
1329 |
+ |
} |
1330 |
+ |
|
1331 |
+ |
@SuppressWarnings("unchecked") |
1332 |
+ |
<T> T serialClone(T o) { |
1333 |
+ |
try { |
1334 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1335 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1336 |
+ |
T clone = (T) ois.readObject(); |
1337 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1338 |
+ |
return clone; |
1339 |
+ |
} catch (Throwable t) { |
1340 |
+ |
threadUnexpectedException(t); |
1341 |
+ |
return null; |
1342 |
+ |
} |
1343 |
+ |
} |
1344 |
|
} |