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 |
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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 |
+ |
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 |
128 |
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private static final long profileThreshold = |
129 |
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Long.getLong("jsr166.profileThreshold", 100); |
130 |
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|
131 |
+ |
/** |
132 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
133 |
+ |
*/ |
134 |
+ |
private static final int runsPerTest = |
135 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
136 |
+ |
|
137 |
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protected void runTest() throws Throwable { |
138 |
< |
if (profileTests) |
139 |
< |
runTestProfiled(); |
140 |
< |
else |
141 |
< |
super.runTest(); |
138 |
> |
for (int i = 0; i < runsPerTest; i++) { |
139 |
> |
if (profileTests) |
140 |
> |
runTestProfiled(); |
141 |
> |
else |
142 |
> |
super.runTest(); |
143 |
> |
} |
144 |
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} |
145 |
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|
146 |
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protected void runTestProfiled() throws Throwable { |
156 |
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} |
157 |
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|
158 |
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/** |
159 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
159 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
160 |
> |
* Optional command line arg provides the number of iterations to |
161 |
> |
* repeat running the tests. |
162 |
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*/ |
163 |
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public static void main(String[] args) { |
164 |
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if (useSecurityManager) { |
190 |
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return suite; |
191 |
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} |
192 |
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|
193 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
194 |
+ |
String... testClassNames) { |
195 |
+ |
for (String testClassName : testClassNames) { |
196 |
+ |
try { |
197 |
+ |
Class<?> testClass = Class.forName(testClassName); |
198 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
199 |
+ |
new Class<?>[0]); |
200 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
201 |
+ |
} catch (Exception e) { |
202 |
+ |
throw new Error("Missing test class", e); |
203 |
+ |
} |
204 |
+ |
} |
205 |
+ |
} |
206 |
+ |
|
207 |
+ |
public static final double JAVA_CLASS_VERSION; |
208 |
+ |
static { |
209 |
+ |
try { |
210 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
211 |
+ |
new java.security.PrivilegedAction<Double>() { |
212 |
+ |
public Double run() { |
213 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
214 |
+ |
} catch (Throwable t) { |
215 |
+ |
throw new Error(t); |
216 |
+ |
} |
217 |
+ |
} |
218 |
+ |
|
219 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
220 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
221 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
222 |
+ |
|
223 |
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/** |
224 |
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* Collects all JSR166 unit tests as one suite. |
225 |
|
*/ |
226 |
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public static Test suite() { |
227 |
< |
return newTestSuite( |
227 |
> |
// Java7+ test classes |
228 |
> |
TestSuite suite = newTestSuite( |
229 |
|
ForkJoinPoolTest.suite(), |
230 |
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ForkJoinTaskTest.suite(), |
231 |
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RecursiveActionTest.suite(), |
290 |
|
TreeSetTest.suite(), |
291 |
|
TreeSubMapTest.suite(), |
292 |
|
TreeSubSetTest.suite()); |
293 |
+ |
|
294 |
+ |
// Java8+ test classes |
295 |
+ |
if (atLeastJava8()) { |
296 |
+ |
String[] java8TestClassNames = { |
297 |
+ |
"CompletableFutureTest", |
298 |
+ |
"ConcurrentHashMap8Test", |
299 |
+ |
"CountedCompleterTest", |
300 |
+ |
"DoubleAccumulatorTest", |
301 |
+ |
"DoubleAdderTest", |
302 |
+ |
"ForkJoinPool8Test", |
303 |
+ |
"LongAccumulatorTest", |
304 |
+ |
"LongAdderTest", |
305 |
+ |
"StampedLockTest", |
306 |
+ |
}; |
307 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
308 |
+ |
} |
309 |
+ |
|
310 |
+ |
return suite; |
311 |
|
} |
312 |
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|
313 |
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|
325 |
|
return 50; |
326 |
|
} |
327 |
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|
255 |
– |
|
328 |
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/** |
329 |
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* Sets delays as multiples of SHORT_DELAY. |
330 |
|
*/ |
332 |
|
SHORT_DELAY_MS = getShortDelay(); |
333 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
334 |
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MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
335 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
335 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
336 |
> |
} |
337 |
> |
|
338 |
> |
/** |
339 |
> |
* Returns a timeout in milliseconds to be used in tests that |
340 |
> |
* verify that operations block or time out. |
341 |
> |
*/ |
342 |
> |
long timeoutMillis() { |
343 |
> |
return SHORT_DELAY_MS / 4; |
344 |
> |
} |
345 |
> |
|
346 |
> |
/** |
347 |
> |
* Returns a new Date instance representing a time delayMillis |
348 |
> |
* milliseconds in the future. |
349 |
> |
*/ |
350 |
> |
Date delayedDate(long delayMillis) { |
351 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
352 |
|
} |
353 |
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|
354 |
|
/** |
372 |
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} |
373 |
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|
374 |
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/** |
375 |
+ |
* Extra checks that get done for all test cases. |
376 |
+ |
* |
377 |
|
* Triggers test case failure if any thread assertions have failed, |
378 |
|
* by rethrowing, in the test harness thread, any exception recorded |
379 |
|
* earlier by threadRecordFailure. |
380 |
+ |
* |
381 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
382 |
|
*/ |
383 |
|
public void tearDown() throws Exception { |
384 |
< |
Throwable t = threadFailure.get(); |
384 |
> |
Throwable t = threadFailure.getAndSet(null); |
385 |
|
if (t != null) { |
386 |
|
if (t instanceof Error) |
387 |
|
throw (Error) t; |
396 |
|
throw afe; |
397 |
|
} |
398 |
|
} |
399 |
+ |
|
400 |
+ |
if (Thread.interrupted()) |
401 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
402 |
+ |
|
403 |
+ |
checkForkJoinPoolThreadLeaks(); |
404 |
+ |
} |
405 |
+ |
|
406 |
+ |
/** |
407 |
+ |
* Find missing try { ... } finally { joinPool(e); } |
408 |
+ |
*/ |
409 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
410 |
+ |
Thread[] survivors = new Thread[5]; |
411 |
+ |
int count = Thread.enumerate(survivors); |
412 |
+ |
for (int i = 0; i < count; i++) { |
413 |
+ |
Thread thread = survivors[i]; |
414 |
+ |
String name = thread.getName(); |
415 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
416 |
+ |
// give thread some time to terminate |
417 |
+ |
thread.join(LONG_DELAY_MS); |
418 |
+ |
if (!thread.isAlive()) continue; |
419 |
+ |
thread.stop(); |
420 |
+ |
throw new AssertionFailedError |
421 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
422 |
+ |
toString(), name)); |
423 |
+ |
} |
424 |
+ |
} |
425 |
|
} |
426 |
|
|
427 |
|
/** |
553 |
|
else { |
554 |
|
AssertionFailedError afe = |
555 |
|
new AssertionFailedError("unexpected exception: " + t); |
556 |
< |
t.initCause(t); |
556 |
> |
afe.initCause(t); |
557 |
|
throw afe; |
558 |
|
} |
559 |
|
} |
560 |
|
|
561 |
|
/** |
562 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
563 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
564 |
+ |
* until time elapses. |
565 |
+ |
*/ |
566 |
+ |
static void delay(long millis) throws InterruptedException { |
567 |
+ |
long startTime = System.nanoTime(); |
568 |
+ |
long ns = millis * 1000 * 1000; |
569 |
+ |
for (;;) { |
570 |
+ |
if (millis > 0L) |
571 |
+ |
Thread.sleep(millis); |
572 |
+ |
else // too short to sleep |
573 |
+ |
Thread.yield(); |
574 |
+ |
long d = ns - (System.nanoTime() - startTime); |
575 |
+ |
if (d > 0L) |
576 |
+ |
millis = d / (1000 * 1000); |
577 |
+ |
else |
578 |
+ |
break; |
579 |
+ |
} |
580 |
+ |
} |
581 |
+ |
|
582 |
+ |
/** |
583 |
|
* Waits out termination of a thread pool or fails doing so. |
584 |
|
*/ |
585 |
< |
public void joinPool(ExecutorService exec) { |
585 |
> |
void joinPool(ExecutorService exec) { |
586 |
|
try { |
587 |
|
exec.shutdown(); |
588 |
|
assertTrue("ExecutorService did not terminate in a timely manner", |
589 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
589 |
> |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
590 |
|
} catch (SecurityException ok) { |
591 |
|
// Allowed in case test doesn't have privs |
592 |
|
} catch (InterruptedException ie) { |
594 |
|
} |
595 |
|
} |
596 |
|
|
597 |
+ |
/** |
598 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
599 |
+ |
*/ |
600 |
+ |
static void printAllStackTraces() { |
601 |
+ |
for (ThreadInfo info : |
602 |
+ |
ManagementFactory.getThreadMXBean() |
603 |
+ |
.dumpAllThreads(true, true)) |
604 |
+ |
System.err.print(info); |
605 |
+ |
} |
606 |
+ |
|
607 |
+ |
/** |
608 |
+ |
* Checks that thread does not terminate within the default |
609 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
610 |
+ |
*/ |
611 |
+ |
void assertThreadStaysAlive(Thread thread) { |
612 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
613 |
+ |
} |
614 |
+ |
|
615 |
+ |
/** |
616 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
617 |
+ |
*/ |
618 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
619 |
+ |
try { |
620 |
+ |
// No need to optimize the failing case via Thread.join. |
621 |
+ |
delay(millis); |
622 |
+ |
assertTrue(thread.isAlive()); |
623 |
+ |
} catch (InterruptedException ie) { |
624 |
+ |
fail("Unexpected InterruptedException"); |
625 |
+ |
} |
626 |
+ |
} |
627 |
+ |
|
628 |
+ |
/** |
629 |
+ |
* Checks that the threads do not terminate within the default |
630 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
631 |
+ |
*/ |
632 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
633 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
634 |
+ |
} |
635 |
+ |
|
636 |
+ |
/** |
637 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
638 |
+ |
*/ |
639 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
640 |
+ |
try { |
641 |
+ |
// No need to optimize the failing case via Thread.join. |
642 |
+ |
delay(millis); |
643 |
+ |
for (Thread thread : threads) |
644 |
+ |
assertTrue(thread.isAlive()); |
645 |
+ |
} catch (InterruptedException ie) { |
646 |
+ |
fail("Unexpected InterruptedException"); |
647 |
+ |
} |
648 |
+ |
} |
649 |
+ |
|
650 |
+ |
/** |
651 |
+ |
* Checks that future.get times out, with the default timeout of |
652 |
+ |
* {@code timeoutMillis()}. |
653 |
+ |
*/ |
654 |
+ |
void assertFutureTimesOut(Future future) { |
655 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
656 |
+ |
} |
657 |
+ |
|
658 |
+ |
/** |
659 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
660 |
+ |
*/ |
661 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
662 |
+ |
long startTime = System.nanoTime(); |
663 |
+ |
try { |
664 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
665 |
+ |
shouldThrow(); |
666 |
+ |
} catch (TimeoutException success) { |
667 |
+ |
} catch (Exception e) { |
668 |
+ |
threadUnexpectedException(e); |
669 |
+ |
} finally { future.cancel(true); } |
670 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
671 |
+ |
} |
672 |
|
|
673 |
|
/** |
674 |
|
* Fails with message "should throw exception". |
721 |
|
SecurityManager sm = System.getSecurityManager(); |
722 |
|
if (sm == null) { |
723 |
|
r.run(); |
724 |
+ |
} |
725 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
726 |
+ |
} |
727 |
+ |
|
728 |
+ |
/** |
729 |
+ |
* Runs Runnable r with a security policy that permits precisely |
730 |
+ |
* the specified permissions. If there is no current security |
731 |
+ |
* manager, a temporary one is set for the duration of the |
732 |
+ |
* Runnable. We require that any security manager permit |
733 |
+ |
* getPolicy/setPolicy. |
734 |
+ |
*/ |
735 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
736 |
+ |
Permission... permissions) { |
737 |
+ |
SecurityManager sm = System.getSecurityManager(); |
738 |
+ |
if (sm == null) { |
739 |
|
Policy savedPolicy = Policy.getPolicy(); |
740 |
|
try { |
741 |
|
Policy.setPolicy(permissivePolicy()); |
742 |
|
System.setSecurityManager(new SecurityManager()); |
743 |
< |
runWithPermissions(r, permissions); |
743 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
744 |
|
} finally { |
745 |
|
System.setSecurityManager(null); |
746 |
|
Policy.setPolicy(savedPolicy); |
788 |
|
return perms.implies(p); |
789 |
|
} |
790 |
|
public void refresh() {} |
791 |
+ |
public String toString() { |
792 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
793 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
794 |
+ |
ps.add(e.nextElement()); |
795 |
+ |
return "AdjustablePolicy with permissions " + ps; |
796 |
+ |
} |
797 |
|
} |
798 |
|
|
799 |
|
/** |
821 |
|
*/ |
822 |
|
void sleep(long millis) { |
823 |
|
try { |
824 |
< |
Thread.sleep(millis); |
824 |
> |
delay(millis); |
825 |
|
} catch (InterruptedException ie) { |
826 |
|
AssertionFailedError afe = |
827 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
831 |
|
} |
832 |
|
|
833 |
|
/** |
834 |
< |
* 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 |
834 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
835 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
836 |
|
*/ |
837 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
838 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
614 |
< |
long t0 = System.nanoTime(); |
838 |
> |
long startTime = System.nanoTime(); |
839 |
|
for (;;) { |
840 |
|
Thread.State s = thread.getState(); |
841 |
|
if (s == Thread.State.BLOCKED || |
844 |
|
return; |
845 |
|
else if (s == Thread.State.TERMINATED) |
846 |
|
fail("Unexpected thread termination"); |
847 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
847 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
848 |
|
threadAssertTrue(thread.isAlive()); |
849 |
|
return; |
850 |
|
} |
853 |
|
} |
854 |
|
|
855 |
|
/** |
856 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
857 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
858 |
+ |
*/ |
859 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
860 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
861 |
+ |
} |
862 |
+ |
|
863 |
+ |
/** |
864 |
|
* Returns the number of milliseconds since time given by |
865 |
|
* startNanoTime, which must have been previously returned from a |
866 |
|
* call to {@link System.nanoTime()}. |
890 |
|
} catch (InterruptedException ie) { |
891 |
|
threadUnexpectedException(ie); |
892 |
|
} finally { |
893 |
< |
if (t.isAlive()) { |
893 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
894 |
|
t.interrupt(); |
895 |
|
fail("Test timed out"); |
896 |
|
} |
897 |
|
} |
898 |
|
} |
899 |
|
|
900 |
+ |
/** |
901 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
902 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
903 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
904 |
+ |
*/ |
905 |
+ |
void awaitTermination(Thread t) { |
906 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
907 |
+ |
} |
908 |
+ |
|
909 |
|
// Some convenient Runnable classes |
910 |
|
|
911 |
|
public abstract class CheckedRunnable implements Runnable { |
968 |
|
realRun(); |
969 |
|
threadShouldThrow("InterruptedException"); |
970 |
|
} catch (InterruptedException success) { |
971 |
+ |
threadAssertFalse(Thread.interrupted()); |
972 |
|
} catch (Throwable t) { |
973 |
|
threadUnexpectedException(t); |
974 |
|
} |
998 |
|
threadShouldThrow("InterruptedException"); |
999 |
|
return result; |
1000 |
|
} catch (InterruptedException success) { |
1001 |
+ |
threadAssertFalse(Thread.interrupted()); |
1002 |
|
} catch (Throwable t) { |
1003 |
|
threadUnexpectedException(t); |
1004 |
|
} |
1030 |
|
}}; |
1031 |
|
} |
1032 |
|
|
1033 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1034 |
+ |
return new CheckedRunnable() { |
1035 |
+ |
public void realRun() throws InterruptedException { |
1036 |
+ |
await(latch); |
1037 |
+ |
}}; |
1038 |
+ |
} |
1039 |
+ |
|
1040 |
+ |
public void await(CountDownLatch latch) { |
1041 |
+ |
try { |
1042 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1043 |
+ |
} catch (Throwable t) { |
1044 |
+ |
threadUnexpectedException(t); |
1045 |
+ |
} |
1046 |
+ |
} |
1047 |
+ |
|
1048 |
+ |
public void await(Semaphore semaphore) { |
1049 |
+ |
try { |
1050 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1051 |
+ |
} catch (Throwable t) { |
1052 |
+ |
threadUnexpectedException(t); |
1053 |
+ |
} |
1054 |
+ |
} |
1055 |
+ |
|
1056 |
+ |
// /** |
1057 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1058 |
+ |
// */ |
1059 |
+ |
// public void await(AtomicBoolean flag) { |
1060 |
+ |
// await(flag, LONG_DELAY_MS); |
1061 |
+ |
// } |
1062 |
+ |
|
1063 |
+ |
// /** |
1064 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1065 |
+ |
// */ |
1066 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1067 |
+ |
// long startTime = System.nanoTime(); |
1068 |
+ |
// while (!flag.get()) { |
1069 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1070 |
+ |
// throw new AssertionFailedError("timed out"); |
1071 |
+ |
// Thread.yield(); |
1072 |
+ |
// } |
1073 |
+ |
// } |
1074 |
+ |
|
1075 |
|
public static class NPETask implements Callable<String> { |
1076 |
|
public String call() { throw new NullPointerException(); } |
1077 |
|
} |
1082 |
|
|
1083 |
|
public class ShortRunnable extends CheckedRunnable { |
1084 |
|
protected void realRun() throws Throwable { |
1085 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1085 |
> |
delay(SHORT_DELAY_MS); |
1086 |
|
} |
1087 |
|
} |
1088 |
|
|
1089 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1090 |
|
protected void realRun() throws InterruptedException { |
1091 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1091 |
> |
delay(SHORT_DELAY_MS); |
1092 |
|
} |
1093 |
|
} |
1094 |
|
|
1095 |
|
public class SmallRunnable extends CheckedRunnable { |
1096 |
|
protected void realRun() throws Throwable { |
1097 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1097 |
> |
delay(SMALL_DELAY_MS); |
1098 |
|
} |
1099 |
|
} |
1100 |
|
|
1101 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1102 |
|
protected void realRun() { |
1103 |
|
try { |
1104 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1104 |
> |
delay(SMALL_DELAY_MS); |
1105 |
|
} catch (InterruptedException ok) {} |
1106 |
|
} |
1107 |
|
} |
1108 |
|
|
1109 |
|
public class SmallCallable extends CheckedCallable { |
1110 |
|
protected Object realCall() throws InterruptedException { |
1111 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1111 |
> |
delay(SMALL_DELAY_MS); |
1112 |
|
return Boolean.TRUE; |
1113 |
|
} |
1114 |
|
} |
1115 |
|
|
1116 |
|
public class MediumRunnable extends CheckedRunnable { |
1117 |
|
protected void realRun() throws Throwable { |
1118 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1118 |
> |
delay(MEDIUM_DELAY_MS); |
1119 |
|
} |
1120 |
|
} |
1121 |
|
|
1122 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1123 |
|
protected void realRun() throws InterruptedException { |
1124 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1124 |
> |
delay(MEDIUM_DELAY_MS); |
1125 |
|
} |
1126 |
|
} |
1127 |
|
|
1129 |
|
return new CheckedRunnable() { |
1130 |
|
protected void realRun() { |
1131 |
|
try { |
1132 |
< |
Thread.sleep(timeoutMillis); |
1132 |
> |
delay(timeoutMillis); |
1133 |
|
} catch (InterruptedException ok) {} |
1134 |
|
}}; |
1135 |
|
} |
1137 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1138 |
|
protected void realRun() { |
1139 |
|
try { |
1140 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1140 |
> |
delay(MEDIUM_DELAY_MS); |
1141 |
|
} catch (InterruptedException ok) {} |
1142 |
|
} |
1143 |
|
} |
1145 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1146 |
|
protected void realRun() { |
1147 |
|
try { |
1148 |
< |
Thread.sleep(LONG_DELAY_MS); |
1148 |
> |
delay(LONG_DELAY_MS); |
1149 |
|
} catch (InterruptedException ok) {} |
1150 |
|
} |
1151 |
|
} |
1169 |
|
public boolean isDone() { return done; } |
1170 |
|
public void run() { |
1171 |
|
try { |
1172 |
< |
Thread.sleep(timeoutMillis); |
1172 |
> |
delay(timeoutMillis); |
1173 |
|
done = true; |
1174 |
|
} catch (InterruptedException ok) {} |
1175 |
|
} |
1180 |
|
public volatile boolean done = false; |
1181 |
|
public void run() { |
1182 |
|
try { |
1183 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1183 |
> |
delay(SHORT_DELAY_MS); |
1184 |
|
done = true; |
1185 |
|
} catch (InterruptedException ok) {} |
1186 |
|
} |
1190 |
|
public volatile boolean done = false; |
1191 |
|
public void run() { |
1192 |
|
try { |
1193 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1193 |
> |
delay(SMALL_DELAY_MS); |
1194 |
|
done = true; |
1195 |
|
} catch (InterruptedException ok) {} |
1196 |
|
} |
1200 |
|
public volatile boolean done = false; |
1201 |
|
public void run() { |
1202 |
|
try { |
1203 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1203 |
> |
delay(MEDIUM_DELAY_MS); |
1204 |
|
done = true; |
1205 |
|
} catch (InterruptedException ok) {} |
1206 |
|
} |
1210 |
|
public volatile boolean done = false; |
1211 |
|
public void run() { |
1212 |
|
try { |
1213 |
< |
Thread.sleep(LONG_DELAY_MS); |
1213 |
> |
delay(LONG_DELAY_MS); |
1214 |
|
done = true; |
1215 |
|
} catch (InterruptedException ok) {} |
1216 |
|
} |
1227 |
|
public volatile boolean done = false; |
1228 |
|
public Object call() { |
1229 |
|
try { |
1230 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1230 |
> |
delay(SMALL_DELAY_MS); |
1231 |
|
done = true; |
1232 |
|
} catch (InterruptedException ok) {} |
1233 |
|
return Boolean.TRUE; |
1240 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1241 |
|
protected abstract void realCompute() throws Throwable; |
1242 |
|
|
1243 |
< |
public final void compute() { |
1243 |
> |
@Override protected final void compute() { |
1244 |
|
try { |
1245 |
|
realCompute(); |
1246 |
|
} catch (Throwable t) { |
1255 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1256 |
|
protected abstract T realCompute() throws Throwable; |
1257 |
|
|
1258 |
< |
public final T compute() { |
1258 |
> |
@Override protected final T compute() { |
1259 |
|
try { |
1260 |
|
return realCompute(); |
1261 |
|
} catch (Throwable t) { |
1274 |
|
} |
1275 |
|
|
1276 |
|
/** |
1277 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1278 |
< |
* of throwing checked exceptions. |
1277 |
> |
* A CyclicBarrier that uses timed await and fails with |
1278 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1279 |
|
*/ |
1280 |
|
public class CheckedBarrier extends CyclicBarrier { |
1281 |
|
public CheckedBarrier(int parties) { super(parties); } |
1282 |
|
|
1283 |
|
public int await() { |
1284 |
|
try { |
1285 |
< |
return super.await(); |
1285 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1286 |
> |
} catch (TimeoutException e) { |
1287 |
> |
throw new AssertionFailedError("timed out"); |
1288 |
|
} catch (Exception e) { |
1289 |
|
AssertionFailedError afe = |
1290 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1294 |
|
} |
1295 |
|
} |
1296 |
|
|
1297 |
+ |
void checkEmpty(BlockingQueue q) { |
1298 |
+ |
try { |
1299 |
+ |
assertTrue(q.isEmpty()); |
1300 |
+ |
assertEquals(0, q.size()); |
1301 |
+ |
assertNull(q.peek()); |
1302 |
+ |
assertNull(q.poll()); |
1303 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1304 |
+ |
assertEquals(q.toString(), "[]"); |
1305 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1306 |
+ |
assertFalse(q.iterator().hasNext()); |
1307 |
+ |
try { |
1308 |
+ |
q.element(); |
1309 |
+ |
shouldThrow(); |
1310 |
+ |
} catch (NoSuchElementException success) {} |
1311 |
+ |
try { |
1312 |
+ |
q.iterator().next(); |
1313 |
+ |
shouldThrow(); |
1314 |
+ |
} catch (NoSuchElementException success) {} |
1315 |
+ |
try { |
1316 |
+ |
q.remove(); |
1317 |
+ |
shouldThrow(); |
1318 |
+ |
} catch (NoSuchElementException success) {} |
1319 |
+ |
} catch (InterruptedException ie) { |
1320 |
+ |
threadUnexpectedException(ie); |
1321 |
+ |
} |
1322 |
+ |
} |
1323 |
+ |
|
1324 |
+ |
void assertSerialEquals(Object x, Object y) { |
1325 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1326 |
+ |
} |
1327 |
+ |
|
1328 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1329 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1330 |
+ |
} |
1331 |
+ |
|
1332 |
+ |
byte[] serialBytes(Object o) { |
1333 |
+ |
try { |
1334 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1335 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1336 |
+ |
oos.writeObject(o); |
1337 |
+ |
oos.flush(); |
1338 |
+ |
oos.close(); |
1339 |
+ |
return bos.toByteArray(); |
1340 |
+ |
} catch (Throwable t) { |
1341 |
+ |
threadUnexpectedException(t); |
1342 |
+ |
return new byte[0]; |
1343 |
+ |
} |
1344 |
+ |
} |
1345 |
+ |
|
1346 |
+ |
@SuppressWarnings("unchecked") |
1347 |
+ |
<T> T serialClone(T o) { |
1348 |
+ |
try { |
1349 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1350 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1351 |
+ |
T clone = (T) ois.readObject(); |
1352 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1353 |
+ |
return clone; |
1354 |
+ |
} catch (Throwable t) { |
1355 |
+ |
threadUnexpectedException(t); |
1356 |
+ |
return null; |
1357 |
+ |
} |
1358 |
+ |
} |
1359 |
+ |
|
1360 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1361 |
+ |
Runnable... throwingActions) { |
1362 |
+ |
for (Runnable throwingAction : throwingActions) { |
1363 |
+ |
boolean threw = false; |
1364 |
+ |
try { throwingAction.run(); } |
1365 |
+ |
catch (Throwable t) { |
1366 |
+ |
threw = true; |
1367 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1368 |
+ |
AssertionFailedError afe = |
1369 |
+ |
new AssertionFailedError |
1370 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1371 |
+ |
", got " + t.getClass().getName()); |
1372 |
+ |
afe.initCause(t); |
1373 |
+ |
threadUnexpectedException(afe); |
1374 |
+ |
} |
1375 |
+ |
} |
1376 |
+ |
if (!threw) |
1377 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1378 |
+ |
} |
1379 |
+ |
} |
1380 |
|
} |