6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
+ |
/* |
10 |
+ |
* @test |
11 |
+ |
* @summary JSR-166 tck tests |
12 |
+ |
* @modules java.management |
13 |
+ |
* @build * |
14 |
+ |
* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase |
15 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase |
16 |
+ |
*/ |
17 |
+ |
|
18 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
19 |
+ |
import static java.util.concurrent.TimeUnit.MINUTES; |
20 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
21 |
|
|
22 |
|
import java.io.ByteArrayInputStream; |
25 |
|
import java.io.ObjectOutputStream; |
26 |
|
import java.lang.management.ManagementFactory; |
27 |
|
import java.lang.management.ThreadInfo; |
28 |
+ |
import java.lang.management.ThreadMXBean; |
29 |
|
import java.lang.reflect.Constructor; |
30 |
|
import java.lang.reflect.Method; |
31 |
|
import java.lang.reflect.Modifier; |
32 |
+ |
import java.nio.file.Files; |
33 |
+ |
import java.nio.file.Paths; |
34 |
|
import java.security.CodeSource; |
35 |
|
import java.security.Permission; |
36 |
|
import java.security.PermissionCollection; |
59 |
|
import java.util.concurrent.RecursiveTask; |
60 |
|
import java.util.concurrent.RejectedExecutionHandler; |
61 |
|
import java.util.concurrent.Semaphore; |
62 |
+ |
import java.util.concurrent.SynchronousQueue; |
63 |
|
import java.util.concurrent.ThreadFactory; |
64 |
|
import java.util.concurrent.ThreadPoolExecutor; |
65 |
|
import java.util.concurrent.TimeoutException; |
66 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
67 |
|
import java.util.concurrent.atomic.AtomicReference; |
68 |
+ |
import java.util.regex.Matcher; |
69 |
|
import java.util.regex.Pattern; |
70 |
|
|
71 |
|
import junit.framework.AssertionFailedError; |
123 |
|
* methods as there are exceptions the method can throw. Sometimes |
124 |
|
* there are multiple tests per JSR166 method when the different |
125 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
126 |
< |
* cover multiple methods when they cannot be tested in |
111 |
< |
* isolation. |
126 |
> |
* cover multiple methods when they cannot be tested in isolation. |
127 |
|
* |
128 |
|
* <li>The documentation style for testcases is to provide as javadoc |
129 |
|
* a simple sentence or two describing the property that the testcase |
186 |
|
private static final int suiteRuns = |
187 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
188 |
|
|
189 |
+ |
/** |
190 |
+ |
* Returns the value of the system property, or NaN if not defined. |
191 |
+ |
*/ |
192 |
+ |
private static float systemPropertyValue(String name) { |
193 |
+ |
String floatString = System.getProperty(name); |
194 |
+ |
if (floatString == null) |
195 |
+ |
return Float.NaN; |
196 |
+ |
try { |
197 |
+ |
return Float.parseFloat(floatString); |
198 |
+ |
} catch (NumberFormatException ex) { |
199 |
+ |
throw new IllegalArgumentException( |
200 |
+ |
String.format("Bad float value in system property %s=%s", |
201 |
+ |
name, floatString)); |
202 |
+ |
} |
203 |
+ |
} |
204 |
+ |
|
205 |
+ |
/** |
206 |
+ |
* The scaling factor to apply to standard delays used in tests. |
207 |
+ |
* May be initialized from any of: |
208 |
+ |
* - the "jsr166.delay.factor" system property |
209 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
210 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
211 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
212 |
+ |
*/ |
213 |
+ |
private static final float delayFactor = delayFactor(); |
214 |
+ |
|
215 |
+ |
private static float delayFactor() { |
216 |
+ |
float x; |
217 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
218 |
+ |
return x; |
219 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
220 |
+ |
return x; |
221 |
+ |
String prop = System.getProperty("java.vm.version"); |
222 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
223 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
224 |
+ |
return 1.0f; |
225 |
+ |
} |
226 |
+ |
|
227 |
|
public JSR166TestCase() { super(); } |
228 |
|
public JSR166TestCase(String name) { super(name); } |
229 |
|
|
239 |
|
return (regex == null) ? null : Pattern.compile(regex); |
240 |
|
} |
241 |
|
|
242 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
243 |
+ |
static volatile TestCase currentTestCase; |
244 |
+ |
// static volatile int currentRun = 0; |
245 |
+ |
static { |
246 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
247 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
248 |
+ |
// A single test case run should never take more than 1 second. |
249 |
+ |
// But let's cap it at the high end too ... |
250 |
+ |
final int timeoutMinutes = |
251 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
252 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
253 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
254 |
+ |
catch (InterruptedException unexpected) { break; } |
255 |
+ |
if (lastTestCase == currentTestCase) { |
256 |
+ |
System.err.printf( |
257 |
+ |
"Looks like we're stuck running test: %s%n", |
258 |
+ |
lastTestCase); |
259 |
+ |
// System.err.printf( |
260 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
261 |
+ |
// lastTestCase, currentRun, runsPerTest); |
262 |
+ |
// System.err.println("availableProcessors=" + |
263 |
+ |
// Runtime.getRuntime().availableProcessors()); |
264 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
265 |
+ |
dumpTestThreads(); |
266 |
+ |
// one stack dump is probably enough; more would be spam |
267 |
+ |
break; |
268 |
+ |
} |
269 |
+ |
lastTestCase = currentTestCase; |
270 |
+ |
}}}; |
271 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
272 |
+ |
thread.setDaemon(true); |
273 |
+ |
thread.start(); |
274 |
+ |
} |
275 |
+ |
|
276 |
+ |
// public static String cpuModel() { |
277 |
+ |
// try { |
278 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
279 |
+ |
// .matcher(new String( |
280 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
281 |
+ |
// matcher.find(); |
282 |
+ |
// return matcher.group(1); |
283 |
+ |
// } catch (Exception ex) { return null; } |
284 |
+ |
// } |
285 |
+ |
|
286 |
|
public void runBare() throws Throwable { |
287 |
+ |
currentTestCase = this; |
288 |
|
if (methodFilter == null |
289 |
|
|| methodFilter.matcher(toString()).find()) |
290 |
|
super.runBare(); |
292 |
|
|
293 |
|
protected void runTest() throws Throwable { |
294 |
|
for (int i = 0; i < runsPerTest; i++) { |
295 |
+ |
// currentRun = i; |
296 |
|
if (profileTests) |
297 |
|
runTestProfiled(); |
298 |
|
else |
321 |
|
main(suite(), args); |
322 |
|
} |
323 |
|
|
324 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
325 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
326 |
+ |
long runTime; |
327 |
+ |
public void startTest(Test test) {} |
328 |
+ |
protected void printHeader(long runTime) { |
329 |
+ |
this.runTime = runTime; // defer printing for later |
330 |
+ |
} |
331 |
+ |
protected void printFooter(TestResult result) { |
332 |
+ |
if (result.wasSuccessful()) { |
333 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
334 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
335 |
+ |
} else { |
336 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
337 |
+ |
super.printFooter(result); |
338 |
+ |
} |
339 |
+ |
} |
340 |
+ |
} |
341 |
+ |
|
342 |
+ |
/** |
343 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
344 |
+ |
* fluff, like printing a "." for each test case. |
345 |
+ |
*/ |
346 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
347 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
348 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
349 |
+ |
return runner; |
350 |
+ |
} |
351 |
+ |
|
352 |
|
/** |
353 |
|
* Runs all unit tests in the given test suite. |
354 |
|
* Actual behavior influenced by jsr166.* system properties. |
360 |
|
System.setSecurityManager(new SecurityManager()); |
361 |
|
} |
362 |
|
for (int i = 0; i < suiteRuns; i++) { |
363 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
363 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
364 |
|
if (!result.wasSuccessful()) |
365 |
|
System.exit(1); |
366 |
|
System.gc(); |
513 |
|
"StampedLockTest", |
514 |
|
"SubmissionPublisherTest", |
515 |
|
"ThreadLocalRandom8Test", |
516 |
+ |
"TimeUnit8Test", |
517 |
|
}; |
518 |
|
addNamedTestClasses(suite, java8TestClassNames); |
519 |
|
} |
521 |
|
// Java9+ test classes |
522 |
|
if (atLeastJava9()) { |
523 |
|
String[] java9TestClassNames = { |
524 |
< |
// Currently empty, but expecting varhandle tests |
524 |
> |
"ExecutorCompletionService9Test", |
525 |
|
}; |
526 |
|
addNamedTestClasses(suite, java9TestClassNames); |
527 |
|
} |
588 |
|
} else { |
589 |
|
return new TestSuite(); |
590 |
|
} |
463 |
– |
|
591 |
|
} |
592 |
|
|
593 |
|
// Delays for timing-dependent tests, in milliseconds. |
598 |
|
public static long LONG_DELAY_MS; |
599 |
|
|
600 |
|
/** |
601 |
< |
* Returns the shortest timed delay. This could |
602 |
< |
* be reimplemented to use for example a Property. |
601 |
> |
* Returns the shortest timed delay. This can be scaled up for |
602 |
> |
* slow machines using the jsr166.delay.factor system property, |
603 |
> |
* or via jtreg's -timeoutFactor: flag. |
604 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
605 |
|
*/ |
606 |
|
protected long getShortDelay() { |
607 |
< |
return 50; |
607 |
> |
return (long) (50 * delayFactor); |
608 |
|
} |
609 |
|
|
610 |
|
/** |
647 |
|
* the same test have no effect. |
648 |
|
*/ |
649 |
|
public void threadRecordFailure(Throwable t) { |
650 |
+ |
System.err.println(t); |
651 |
+ |
dumpTestThreads(); |
652 |
|
threadFailure.compareAndSet(null, t); |
653 |
|
} |
654 |
|
|
659 |
|
void tearDownFail(String format, Object... args) { |
660 |
|
String msg = toString() + ": " + String.format(format, args); |
661 |
|
System.err.println(msg); |
662 |
< |
printAllStackTraces(); |
662 |
> |
dumpTestThreads(); |
663 |
|
throw new AssertionFailedError(msg); |
664 |
|
} |
665 |
|
|
696 |
|
} |
697 |
|
|
698 |
|
/** |
699 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
699 |
> |
* Finds missing PoolCleaners |
700 |
|
*/ |
701 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
702 |
|
Thread[] survivors = new Thread[7]; |
728 |
|
fail(reason); |
729 |
|
} catch (AssertionFailedError t) { |
730 |
|
threadRecordFailure(t); |
731 |
< |
fail(reason); |
731 |
> |
throw t; |
732 |
|
} |
733 |
|
} |
734 |
|
|
855 |
|
/** |
856 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
857 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
858 |
< |
* until time elapses. |
858 |
> |
* until time elapses. Ensures that the given time, as measured |
859 |
> |
* by System.nanoTime(), has elapsed. |
860 |
|
*/ |
861 |
|
static void delay(long millis) throws InterruptedException { |
862 |
< |
long startTime = System.nanoTime(); |
863 |
< |
long ns = millis * 1000 * 1000; |
864 |
< |
for (;;) { |
862 |
> |
long nanos = millis * (1000 * 1000); |
863 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
864 |
> |
do { |
865 |
|
if (millis > 0L) |
866 |
|
Thread.sleep(millis); |
867 |
|
else // too short to sleep |
868 |
|
Thread.yield(); |
869 |
< |
long d = ns - (System.nanoTime() - startTime); |
870 |
< |
if (d > 0L) |
871 |
< |
millis = d / (1000 * 1000); |
740 |
< |
else |
741 |
< |
break; |
742 |
< |
} |
869 |
> |
nanos = wakeupTime - System.nanoTime(); |
870 |
> |
millis = nanos / (1000 * 1000); |
871 |
> |
} while (nanos >= 0L); |
872 |
|
} |
873 |
|
|
874 |
|
/** |
875 |
|
* Allows use of try-with-resources with per-test thread pools. |
876 |
|
*/ |
877 |
< |
static class PoolCloser<T extends ExecutorService> |
878 |
< |
implements AutoCloseable { |
879 |
< |
public final T pool; |
751 |
< |
public PoolCloser(T pool) { this.pool = pool; } |
877 |
> |
class PoolCleaner implements AutoCloseable { |
878 |
> |
private final ExecutorService pool; |
879 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
880 |
|
public void close() { joinPool(pool); } |
881 |
|
} |
882 |
|
|
883 |
|
/** |
884 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
885 |
+ |
*/ |
886 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
887 |
+ |
private final Runnable releaser; |
888 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
889 |
+ |
super(pool); |
890 |
+ |
this.releaser = releaser; |
891 |
+ |
} |
892 |
+ |
public void close() { |
893 |
+ |
try { |
894 |
+ |
releaser.run(); |
895 |
+ |
} finally { |
896 |
+ |
super.close(); |
897 |
+ |
} |
898 |
+ |
} |
899 |
+ |
} |
900 |
+ |
|
901 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
902 |
+ |
return new PoolCleaner(pool); |
903 |
+ |
} |
904 |
+ |
|
905 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
906 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
907 |
+ |
} |
908 |
+ |
|
909 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
910 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
911 |
+ |
} |
912 |
+ |
|
913 |
+ |
Runnable releaser(final CountDownLatch latch) { |
914 |
+ |
return new Runnable() { public void run() { |
915 |
+ |
do { latch.countDown(); } |
916 |
+ |
while (latch.getCount() > 0); |
917 |
+ |
}}; |
918 |
+ |
} |
919 |
+ |
|
920 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
921 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
922 |
+ |
} |
923 |
+ |
|
924 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
925 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
926 |
+ |
} |
927 |
+ |
|
928 |
+ |
/** |
929 |
|
* Waits out termination of a thread pool or fails doing so. |
930 |
|
*/ |
931 |
< |
static void joinPool(ExecutorService pool) { |
931 |
> |
void joinPool(ExecutorService pool) { |
932 |
|
try { |
933 |
|
pool.shutdown(); |
934 |
< |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
935 |
< |
fail("ExecutorService " + pool + |
936 |
< |
" did not terminate in a timely manner"); |
934 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
935 |
> |
try { |
936 |
> |
threadFail("ExecutorService " + pool + |
937 |
> |
" did not terminate in a timely manner"); |
938 |
> |
} finally { |
939 |
> |
// last resort, for the benefit of subsequent tests |
940 |
> |
pool.shutdownNow(); |
941 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
942 |
> |
} |
943 |
> |
} |
944 |
|
} catch (SecurityException ok) { |
945 |
|
// Allowed in case test doesn't have privs |
946 |
|
} catch (InterruptedException fail) { |
947 |
< |
fail("Unexpected InterruptedException"); |
947 |
> |
threadFail("Unexpected InterruptedException"); |
948 |
|
} |
949 |
|
} |
950 |
|
|
958 |
|
*/ |
959 |
|
void testInParallel(Action ... actions) { |
960 |
|
ExecutorService pool = Executors.newCachedThreadPool(); |
961 |
< |
try { |
961 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
962 |
|
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
963 |
|
for (final Action action : actions) |
964 |
|
futures.add(pool.submit(new CheckedRunnable() { |
971 |
|
} catch (Exception ex) { |
972 |
|
threadUnexpectedException(ex); |
973 |
|
} |
794 |
– |
} finally { |
795 |
– |
joinPool(pool); |
974 |
|
} |
975 |
|
} |
976 |
|
|
977 |
|
/** |
978 |
< |
* A debugging tool to print all stack traces, as jstack does. |
978 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
979 |
> |
* Uninteresting threads are filtered out. |
980 |
|
*/ |
981 |
< |
static void printAllStackTraces() { |
982 |
< |
for (ThreadInfo info : |
983 |
< |
ManagementFactory.getThreadMXBean() |
984 |
< |
.dumpAllThreads(true, true)) |
981 |
> |
static void dumpTestThreads() { |
982 |
> |
SecurityManager sm = System.getSecurityManager(); |
983 |
> |
if (sm != null) { |
984 |
> |
try { |
985 |
> |
System.setSecurityManager(null); |
986 |
> |
} catch (SecurityException giveUp) { |
987 |
> |
return; |
988 |
> |
} |
989 |
> |
} |
990 |
> |
|
991 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
992 |
> |
System.err.println("------ stacktrace dump start ------"); |
993 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
994 |
> |
String name = info.getThreadName(); |
995 |
> |
if ("Signal Dispatcher".equals(name)) |
996 |
> |
continue; |
997 |
> |
if ("Reference Handler".equals(name) |
998 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
999 |
> |
continue; |
1000 |
> |
if ("Finalizer".equals(name) |
1001 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1002 |
> |
continue; |
1003 |
> |
if ("checkForWedgedTest".equals(name)) |
1004 |
> |
continue; |
1005 |
|
System.err.print(info); |
1006 |
+ |
} |
1007 |
+ |
System.err.println("------ stacktrace dump end ------"); |
1008 |
+ |
|
1009 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1010 |
|
} |
1011 |
|
|
1012 |
|
/** |
1026 |
|
delay(millis); |
1027 |
|
assertTrue(thread.isAlive()); |
1028 |
|
} catch (InterruptedException fail) { |
1029 |
< |
fail("Unexpected InterruptedException"); |
1029 |
> |
threadFail("Unexpected InterruptedException"); |
1030 |
|
} |
1031 |
|
} |
1032 |
|
|
1048 |
|
for (Thread thread : threads) |
1049 |
|
assertTrue(thread.isAlive()); |
1050 |
|
} catch (InterruptedException fail) { |
1051 |
< |
fail("Unexpected InterruptedException"); |
1051 |
> |
threadFail("Unexpected InterruptedException"); |
1052 |
|
} |
1053 |
|
} |
1054 |
|
|
1326 |
|
} finally { |
1327 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1328 |
|
t.interrupt(); |
1329 |
< |
fail("Test timed out"); |
1329 |
> |
threadFail("timed out waiting for thread to terminate"); |
1330 |
|
} |
1331 |
|
} |
1332 |
|
} |
1474 |
|
}}; |
1475 |
|
} |
1476 |
|
|
1477 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1478 |
< |
return new CheckedRunnable() { |
1479 |
< |
public void realRun() throws InterruptedException { |
1480 |
< |
await(latch); |
1481 |
< |
}}; |
1477 |
> |
class LatchAwaiter extends CheckedRunnable { |
1478 |
> |
static final int NEW = 0; |
1479 |
> |
static final int RUNNING = 1; |
1480 |
> |
static final int DONE = 2; |
1481 |
> |
final CountDownLatch latch; |
1482 |
> |
int state = NEW; |
1483 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1484 |
> |
public void realRun() throws InterruptedException { |
1485 |
> |
state = 1; |
1486 |
> |
await(latch); |
1487 |
> |
state = 2; |
1488 |
> |
} |
1489 |
|
} |
1490 |
|
|
1491 |
< |
public void await(CountDownLatch latch) { |
1491 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1492 |
> |
return new LatchAwaiter(latch); |
1493 |
> |
} |
1494 |
> |
|
1495 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1496 |
|
try { |
1497 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1497 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1498 |
> |
fail("timed out waiting for CountDownLatch for " |
1499 |
> |
+ (timeoutMillis/1000) + " sec"); |
1500 |
|
} catch (Throwable fail) { |
1501 |
|
threadUnexpectedException(fail); |
1502 |
|
} |
1503 |
|
} |
1504 |
|
|
1505 |
+ |
public void await(CountDownLatch latch) { |
1506 |
+ |
await(latch, LONG_DELAY_MS); |
1507 |
+ |
} |
1508 |
+ |
|
1509 |
|
public void await(Semaphore semaphore) { |
1510 |
|
try { |
1511 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1511 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1512 |
> |
fail("timed out waiting for Semaphore for " |
1513 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1514 |
|
} catch (Throwable fail) { |
1515 |
|
threadUnexpectedException(fail); |
1516 |
|
} |
1846 |
|
} catch (NoSuchElementException success) {} |
1847 |
|
assertFalse(it.hasNext()); |
1848 |
|
} |
1849 |
+ |
|
1850 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1851 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1852 |
+ |
} |
1853 |
+ |
|
1854 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1855 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1856 |
+ |
} |
1857 |
+ |
|
1858 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1859 |
+ |
static final ExecutorService cachedThreadPool = |
1860 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1861 |
+ |
1000L, MILLISECONDS, |
1862 |
+ |
new SynchronousQueue<Runnable>()); |
1863 |
+ |
|
1864 |
|
} |