6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
+ |
/* |
10 |
+ |
* @test |
11 |
+ |
* @summary JSR-166 tck tests |
12 |
+ |
* @modules java.base/java.util.concurrent:open |
13 |
+ |
* java.management |
14 |
+ |
* @build * |
15 |
+ |
* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase |
16 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase |
17 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase |
18 |
+ |
*/ |
19 |
+ |
|
20 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
21 |
+ |
import static java.util.concurrent.TimeUnit.MINUTES; |
22 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
23 |
|
|
24 |
|
import java.io.ByteArrayInputStream; |
27 |
|
import java.io.ObjectOutputStream; |
28 |
|
import java.lang.management.ManagementFactory; |
29 |
|
import java.lang.management.ThreadInfo; |
30 |
+ |
import java.lang.management.ThreadMXBean; |
31 |
|
import java.lang.reflect.Constructor; |
32 |
|
import java.lang.reflect.Method; |
33 |
|
import java.lang.reflect.Modifier; |
34 |
+ |
import java.nio.file.Files; |
35 |
+ |
import java.nio.file.Paths; |
36 |
|
import java.security.CodeSource; |
37 |
|
import java.security.Permission; |
38 |
|
import java.security.PermissionCollection; |
42 |
|
import java.security.SecurityPermission; |
43 |
|
import java.util.ArrayList; |
44 |
|
import java.util.Arrays; |
45 |
+ |
import java.util.Collection; |
46 |
+ |
import java.util.Collections; |
47 |
|
import java.util.Date; |
48 |
|
import java.util.Enumeration; |
49 |
|
import java.util.Iterator; |
63 |
|
import java.util.concurrent.RecursiveTask; |
64 |
|
import java.util.concurrent.RejectedExecutionHandler; |
65 |
|
import java.util.concurrent.Semaphore; |
66 |
+ |
import java.util.concurrent.SynchronousQueue; |
67 |
|
import java.util.concurrent.ThreadFactory; |
68 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
69 |
|
import java.util.concurrent.ThreadPoolExecutor; |
70 |
|
import java.util.concurrent.TimeoutException; |
71 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
72 |
|
import java.util.concurrent.atomic.AtomicReference; |
73 |
+ |
import java.util.regex.Matcher; |
74 |
|
import java.util.regex.Pattern; |
75 |
|
|
76 |
|
import junit.framework.AssertionFailedError; |
128 |
|
* methods as there are exceptions the method can throw. Sometimes |
129 |
|
* there are multiple tests per JSR166 method when the different |
130 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
131 |
< |
* cover multiple methods when they cannot be tested in |
111 |
< |
* isolation. |
131 |
> |
* cover multiple methods when they cannot be tested in isolation. |
132 |
|
* |
133 |
|
* <li>The documentation style for testcases is to provide as javadoc |
134 |
|
* a simple sentence or two describing the property that the testcase |
191 |
|
private static final int suiteRuns = |
192 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
193 |
|
|
194 |
+ |
/** |
195 |
+ |
* Returns the value of the system property, or NaN if not defined. |
196 |
+ |
*/ |
197 |
+ |
private static float systemPropertyValue(String name) { |
198 |
+ |
String floatString = System.getProperty(name); |
199 |
+ |
if (floatString == null) |
200 |
+ |
return Float.NaN; |
201 |
+ |
try { |
202 |
+ |
return Float.parseFloat(floatString); |
203 |
+ |
} catch (NumberFormatException ex) { |
204 |
+ |
throw new IllegalArgumentException( |
205 |
+ |
String.format("Bad float value in system property %s=%s", |
206 |
+ |
name, floatString)); |
207 |
+ |
} |
208 |
+ |
} |
209 |
+ |
|
210 |
+ |
/** |
211 |
+ |
* The scaling factor to apply to standard delays used in tests. |
212 |
+ |
* May be initialized from any of: |
213 |
+ |
* - the "jsr166.delay.factor" system property |
214 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
215 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
216 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
217 |
+ |
*/ |
218 |
+ |
private static final float delayFactor = delayFactor(); |
219 |
+ |
|
220 |
+ |
private static float delayFactor() { |
221 |
+ |
float x; |
222 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
223 |
+ |
return x; |
224 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
225 |
+ |
return x; |
226 |
+ |
String prop = System.getProperty("java.vm.version"); |
227 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
228 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
229 |
+ |
return 1.0f; |
230 |
+ |
} |
231 |
+ |
|
232 |
|
public JSR166TestCase() { super(); } |
233 |
|
public JSR166TestCase(String name) { super(name); } |
234 |
|
|
244 |
|
return (regex == null) ? null : Pattern.compile(regex); |
245 |
|
} |
246 |
|
|
247 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
248 |
+ |
static volatile TestCase currentTestCase; |
249 |
+ |
// static volatile int currentRun = 0; |
250 |
+ |
static { |
251 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
252 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
253 |
+ |
// A single test case run should never take more than 1 second. |
254 |
+ |
// But let's cap it at the high end too ... |
255 |
+ |
final int timeoutMinutes = |
256 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
257 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
258 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
259 |
+ |
catch (InterruptedException unexpected) { break; } |
260 |
+ |
if (lastTestCase == currentTestCase) { |
261 |
+ |
System.err.printf( |
262 |
+ |
"Looks like we're stuck running test: %s%n", |
263 |
+ |
lastTestCase); |
264 |
+ |
// System.err.printf( |
265 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
266 |
+ |
// lastTestCase, currentRun, runsPerTest); |
267 |
+ |
// System.err.println("availableProcessors=" + |
268 |
+ |
// Runtime.getRuntime().availableProcessors()); |
269 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
270 |
+ |
dumpTestThreads(); |
271 |
+ |
// one stack dump is probably enough; more would be spam |
272 |
+ |
break; |
273 |
+ |
} |
274 |
+ |
lastTestCase = currentTestCase; |
275 |
+ |
}}}; |
276 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
277 |
+ |
thread.setDaemon(true); |
278 |
+ |
thread.start(); |
279 |
+ |
} |
280 |
+ |
|
281 |
+ |
// public static String cpuModel() { |
282 |
+ |
// try { |
283 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
284 |
+ |
// .matcher(new String( |
285 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
286 |
+ |
// matcher.find(); |
287 |
+ |
// return matcher.group(1); |
288 |
+ |
// } catch (Exception ex) { return null; } |
289 |
+ |
// } |
290 |
+ |
|
291 |
|
public void runBare() throws Throwable { |
292 |
+ |
currentTestCase = this; |
293 |
|
if (methodFilter == null |
294 |
|
|| methodFilter.matcher(toString()).find()) |
295 |
|
super.runBare(); |
297 |
|
|
298 |
|
protected void runTest() throws Throwable { |
299 |
|
for (int i = 0; i < runsPerTest; i++) { |
300 |
+ |
// currentRun = i; |
301 |
|
if (profileTests) |
302 |
|
runTestProfiled(); |
303 |
|
else |
326 |
|
main(suite(), args); |
327 |
|
} |
328 |
|
|
329 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
330 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
331 |
+ |
long runTime; |
332 |
+ |
public void startTest(Test test) {} |
333 |
+ |
protected void printHeader(long runTime) { |
334 |
+ |
this.runTime = runTime; // defer printing for later |
335 |
+ |
} |
336 |
+ |
protected void printFooter(TestResult result) { |
337 |
+ |
if (result.wasSuccessful()) { |
338 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
339 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
340 |
+ |
} else { |
341 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
342 |
+ |
super.printFooter(result); |
343 |
+ |
} |
344 |
+ |
} |
345 |
+ |
} |
346 |
+ |
|
347 |
+ |
/** |
348 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
349 |
+ |
* fluff, like printing a "." for each test case. |
350 |
+ |
*/ |
351 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
352 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
353 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
354 |
+ |
return runner; |
355 |
+ |
} |
356 |
+ |
|
357 |
|
/** |
358 |
|
* Runs all unit tests in the given test suite. |
359 |
|
* Actual behavior influenced by jsr166.* system properties. |
365 |
|
System.setSecurityManager(new SecurityManager()); |
366 |
|
} |
367 |
|
for (int i = 0; i < suiteRuns; i++) { |
368 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
368 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
369 |
|
if (!result.wasSuccessful()) |
370 |
|
System.exit(1); |
371 |
|
System.gc(); |
449 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
450 |
|
ArrayBlockingQueueTest.suite(), |
451 |
|
ArrayDequeTest.suite(), |
452 |
+ |
ArrayListTest.suite(), |
453 |
|
AtomicBooleanTest.suite(), |
454 |
|
AtomicIntegerArrayTest.suite(), |
455 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
472 |
|
CopyOnWriteArrayListTest.suite(), |
473 |
|
CopyOnWriteArraySetTest.suite(), |
474 |
|
CountDownLatchTest.suite(), |
475 |
+ |
CountedCompleterTest.suite(), |
476 |
|
CyclicBarrierTest.suite(), |
477 |
|
DelayQueueTest.suite(), |
478 |
|
EntryTest.suite(), |
501 |
|
TreeMapTest.suite(), |
502 |
|
TreeSetTest.suite(), |
503 |
|
TreeSubMapTest.suite(), |
504 |
< |
TreeSubSetTest.suite()); |
504 |
> |
TreeSubSetTest.suite(), |
505 |
> |
VectorTest.suite()); |
506 |
|
|
507 |
|
// Java8+ test classes |
508 |
|
if (atLeastJava8()) { |
509 |
|
String[] java8TestClassNames = { |
510 |
+ |
"ArrayDeque8Test", |
511 |
|
"Atomic8Test", |
512 |
|
"CompletableFutureTest", |
513 |
|
"ConcurrentHashMap8Test", |
514 |
< |
"CountedCompleterTest", |
514 |
> |
"CountedCompleter8Test", |
515 |
|
"DoubleAccumulatorTest", |
516 |
|
"DoubleAdderTest", |
517 |
|
"ForkJoinPool8Test", |
522 |
|
"StampedLockTest", |
523 |
|
"SubmissionPublisherTest", |
524 |
|
"ThreadLocalRandom8Test", |
525 |
+ |
"TimeUnit8Test", |
526 |
|
}; |
527 |
|
addNamedTestClasses(suite, java8TestClassNames); |
528 |
|
} |
530 |
|
// Java9+ test classes |
531 |
|
if (atLeastJava9()) { |
532 |
|
String[] java9TestClassNames = { |
533 |
< |
// Currently empty, but expecting varhandle tests |
533 |
> |
"AtomicBoolean9Test", |
534 |
> |
"AtomicInteger9Test", |
535 |
> |
"AtomicIntegerArray9Test", |
536 |
> |
"AtomicLong9Test", |
537 |
> |
"AtomicLongArray9Test", |
538 |
> |
"AtomicReference9Test", |
539 |
> |
"AtomicReferenceArray9Test", |
540 |
> |
"ExecutorCompletionService9Test", |
541 |
|
}; |
542 |
|
addNamedTestClasses(suite, java9TestClassNames); |
543 |
|
} |
604 |
|
} else { |
605 |
|
return new TestSuite(); |
606 |
|
} |
463 |
– |
|
607 |
|
} |
608 |
|
|
609 |
|
// Delays for timing-dependent tests, in milliseconds. |
614 |
|
public static long LONG_DELAY_MS; |
615 |
|
|
616 |
|
/** |
617 |
< |
* Returns the shortest timed delay. This could |
618 |
< |
* be reimplemented to use for example a Property. |
617 |
> |
* Returns the shortest timed delay. This can be scaled up for |
618 |
> |
* slow machines using the jsr166.delay.factor system property, |
619 |
> |
* or via jtreg's -timeoutFactor: flag. |
620 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
621 |
|
*/ |
622 |
|
protected long getShortDelay() { |
623 |
< |
return 50; |
623 |
> |
return (long) (50 * delayFactor); |
624 |
|
} |
625 |
|
|
626 |
|
/** |
663 |
|
* the same test have no effect. |
664 |
|
*/ |
665 |
|
public void threadRecordFailure(Throwable t) { |
666 |
+ |
System.err.println(t); |
667 |
+ |
dumpTestThreads(); |
668 |
|
threadFailure.compareAndSet(null, t); |
669 |
|
} |
670 |
|
|
675 |
|
void tearDownFail(String format, Object... args) { |
676 |
|
String msg = toString() + ": " + String.format(format, args); |
677 |
|
System.err.println(msg); |
678 |
< |
printAllStackTraces(); |
678 |
> |
dumpTestThreads(); |
679 |
|
throw new AssertionFailedError(msg); |
680 |
|
} |
681 |
|
|
712 |
|
} |
713 |
|
|
714 |
|
/** |
715 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
715 |
> |
* Finds missing PoolCleaners |
716 |
|
*/ |
717 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
718 |
|
Thread[] survivors = new Thread[7]; |
744 |
|
fail(reason); |
745 |
|
} catch (AssertionFailedError t) { |
746 |
|
threadRecordFailure(t); |
747 |
< |
fail(reason); |
747 |
> |
throw t; |
748 |
|
} |
749 |
|
} |
750 |
|
|
871 |
|
/** |
872 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
873 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
874 |
< |
* until time elapses. |
874 |
> |
* until time elapses. Ensures that the given time, as measured |
875 |
> |
* by System.nanoTime(), has elapsed. |
876 |
|
*/ |
877 |
|
static void delay(long millis) throws InterruptedException { |
878 |
< |
long startTime = System.nanoTime(); |
879 |
< |
long ns = millis * 1000 * 1000; |
880 |
< |
for (;;) { |
878 |
> |
long nanos = millis * (1000 * 1000); |
879 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
880 |
> |
do { |
881 |
|
if (millis > 0L) |
882 |
|
Thread.sleep(millis); |
883 |
|
else // too short to sleep |
884 |
|
Thread.yield(); |
885 |
< |
long d = ns - (System.nanoTime() - startTime); |
886 |
< |
if (d > 0L) |
887 |
< |
millis = d / (1000 * 1000); |
888 |
< |
else |
889 |
< |
break; |
885 |
> |
nanos = wakeupTime - System.nanoTime(); |
886 |
> |
millis = nanos / (1000 * 1000); |
887 |
> |
} while (nanos >= 0L); |
888 |
> |
} |
889 |
> |
|
890 |
> |
/** |
891 |
> |
* Allows use of try-with-resources with per-test thread pools. |
892 |
> |
*/ |
893 |
> |
class PoolCleaner implements AutoCloseable { |
894 |
> |
private final ExecutorService pool; |
895 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
896 |
> |
public void close() { joinPool(pool); } |
897 |
> |
} |
898 |
> |
|
899 |
> |
/** |
900 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
901 |
> |
*/ |
902 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
903 |
> |
private final Runnable releaser; |
904 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
905 |
> |
super(pool); |
906 |
> |
this.releaser = releaser; |
907 |
|
} |
908 |
+ |
public void close() { |
909 |
+ |
try { |
910 |
+ |
releaser.run(); |
911 |
+ |
} finally { |
912 |
+ |
super.close(); |
913 |
+ |
} |
914 |
+ |
} |
915 |
+ |
} |
916 |
+ |
|
917 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
918 |
+ |
return new PoolCleaner(pool); |
919 |
+ |
} |
920 |
+ |
|
921 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
922 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
923 |
+ |
} |
924 |
+ |
|
925 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
926 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
927 |
+ |
} |
928 |
+ |
|
929 |
+ |
Runnable releaser(final CountDownLatch latch) { |
930 |
+ |
return new Runnable() { public void run() { |
931 |
+ |
do { latch.countDown(); } |
932 |
+ |
while (latch.getCount() > 0); |
933 |
+ |
}}; |
934 |
+ |
} |
935 |
+ |
|
936 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
937 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
938 |
+ |
} |
939 |
+ |
|
940 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
941 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
942 |
|
} |
943 |
|
|
944 |
|
/** |
947 |
|
void joinPool(ExecutorService pool) { |
948 |
|
try { |
949 |
|
pool.shutdown(); |
950 |
< |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
951 |
< |
fail("ExecutorService " + pool + |
952 |
< |
" did not terminate in a timely manner"); |
950 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
951 |
> |
try { |
952 |
> |
threadFail("ExecutorService " + pool + |
953 |
> |
" did not terminate in a timely manner"); |
954 |
> |
} finally { |
955 |
> |
// last resort, for the benefit of subsequent tests |
956 |
> |
pool.shutdownNow(); |
957 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
958 |
> |
} |
959 |
> |
} |
960 |
|
} catch (SecurityException ok) { |
961 |
|
// Allowed in case test doesn't have privs |
962 |
|
} catch (InterruptedException fail) { |
963 |
< |
fail("Unexpected InterruptedException"); |
963 |
> |
threadFail("Unexpected InterruptedException"); |
964 |
|
} |
965 |
|
} |
966 |
|
|
967 |
< |
/** Like Runnable, but with the freedom to throw anything */ |
967 |
> |
/** |
968 |
> |
* Like Runnable, but with the freedom to throw anything. |
969 |
> |
* junit folks had the same idea: |
970 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
971 |
> |
*/ |
972 |
|
interface Action { public void run() throws Throwable; } |
973 |
|
|
974 |
|
/** |
978 |
|
*/ |
979 |
|
void testInParallel(Action ... actions) { |
980 |
|
ExecutorService pool = Executors.newCachedThreadPool(); |
981 |
< |
try { |
981 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
982 |
|
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
983 |
|
for (final Action action : actions) |
984 |
|
futures.add(pool.submit(new CheckedRunnable() { |
991 |
|
} catch (Exception ex) { |
992 |
|
threadUnexpectedException(ex); |
993 |
|
} |
784 |
– |
} finally { |
785 |
– |
joinPool(pool); |
994 |
|
} |
995 |
|
} |
996 |
|
|
997 |
|
/** |
998 |
< |
* A debugging tool to print all stack traces, as jstack does. |
998 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
999 |
> |
* Uninteresting threads are filtered out. |
1000 |
|
*/ |
1001 |
< |
static void printAllStackTraces() { |
1002 |
< |
for (ThreadInfo info : |
1003 |
< |
ManagementFactory.getThreadMXBean() |
1004 |
< |
.dumpAllThreads(true, true)) |
1001 |
> |
static void dumpTestThreads() { |
1002 |
> |
SecurityManager sm = System.getSecurityManager(); |
1003 |
> |
if (sm != null) { |
1004 |
> |
try { |
1005 |
> |
System.setSecurityManager(null); |
1006 |
> |
} catch (SecurityException giveUp) { |
1007 |
> |
return; |
1008 |
> |
} |
1009 |
> |
} |
1010 |
> |
|
1011 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1012 |
> |
System.err.println("------ stacktrace dump start ------"); |
1013 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1014 |
> |
final String name = info.getThreadName(); |
1015 |
> |
String lockName; |
1016 |
> |
if ("Signal Dispatcher".equals(name)) |
1017 |
> |
continue; |
1018 |
> |
if ("Reference Handler".equals(name) |
1019 |
> |
&& (lockName = info.getLockName()) != null |
1020 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1021 |
> |
continue; |
1022 |
> |
if ("Finalizer".equals(name) |
1023 |
> |
&& (lockName = info.getLockName()) != null |
1024 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1025 |
> |
continue; |
1026 |
> |
if ("checkForWedgedTest".equals(name)) |
1027 |
> |
continue; |
1028 |
|
System.err.print(info); |
1029 |
+ |
} |
1030 |
+ |
System.err.println("------ stacktrace dump end ------"); |
1031 |
+ |
|
1032 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1033 |
|
} |
1034 |
|
|
1035 |
|
/** |
1049 |
|
delay(millis); |
1050 |
|
assertTrue(thread.isAlive()); |
1051 |
|
} catch (InterruptedException fail) { |
1052 |
< |
fail("Unexpected InterruptedException"); |
1052 |
> |
threadFail("Unexpected InterruptedException"); |
1053 |
|
} |
1054 |
|
} |
1055 |
|
|
1071 |
|
for (Thread thread : threads) |
1072 |
|
assertTrue(thread.isAlive()); |
1073 |
|
} catch (InterruptedException fail) { |
1074 |
< |
fail("Unexpected InterruptedException"); |
1074 |
> |
threadFail("Unexpected InterruptedException"); |
1075 |
|
} |
1076 |
|
} |
1077 |
|
|
1246 |
|
* Sleeps until the given time has elapsed. |
1247 |
|
* Throws AssertionFailedError if interrupted. |
1248 |
|
*/ |
1249 |
< |
void sleep(long millis) { |
1249 |
> |
static void sleep(long millis) { |
1250 |
|
try { |
1251 |
|
delay(millis); |
1252 |
|
} catch (InterruptedException fail) { |
1262 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1263 |
|
*/ |
1264 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1265 |
< |
long startTime = System.nanoTime(); |
1265 |
> |
long startTime = 0L; |
1266 |
|
for (;;) { |
1267 |
|
Thread.State s = thread.getState(); |
1268 |
|
if (s == Thread.State.BLOCKED || |
1271 |
|
return; |
1272 |
|
else if (s == Thread.State.TERMINATED) |
1273 |
|
fail("Unexpected thread termination"); |
1274 |
+ |
else if (startTime == 0L) |
1275 |
+ |
startTime = System.nanoTime(); |
1276 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1277 |
|
threadAssertTrue(thread.isAlive()); |
1278 |
|
return; |
1351 |
|
} finally { |
1352 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1353 |
|
t.interrupt(); |
1354 |
< |
fail("Test timed out"); |
1354 |
> |
threadFail("timed out waiting for thread to terminate"); |
1355 |
|
} |
1356 |
|
} |
1357 |
|
} |
1499 |
|
}}; |
1500 |
|
} |
1501 |
|
|
1502 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1503 |
< |
return new CheckedRunnable() { |
1504 |
< |
public void realRun() throws InterruptedException { |
1505 |
< |
await(latch); |
1506 |
< |
}}; |
1502 |
> |
class LatchAwaiter extends CheckedRunnable { |
1503 |
> |
static final int NEW = 0; |
1504 |
> |
static final int RUNNING = 1; |
1505 |
> |
static final int DONE = 2; |
1506 |
> |
final CountDownLatch latch; |
1507 |
> |
int state = NEW; |
1508 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1509 |
> |
public void realRun() throws InterruptedException { |
1510 |
> |
state = 1; |
1511 |
> |
await(latch); |
1512 |
> |
state = 2; |
1513 |
> |
} |
1514 |
|
} |
1515 |
|
|
1516 |
< |
public void await(CountDownLatch latch) { |
1516 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1517 |
> |
return new LatchAwaiter(latch); |
1518 |
> |
} |
1519 |
> |
|
1520 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1521 |
|
try { |
1522 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1522 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1523 |
> |
fail("timed out waiting for CountDownLatch for " |
1524 |
> |
+ (timeoutMillis/1000) + " sec"); |
1525 |
|
} catch (Throwable fail) { |
1526 |
|
threadUnexpectedException(fail); |
1527 |
|
} |
1528 |
|
} |
1529 |
|
|
1530 |
+ |
public void await(CountDownLatch latch) { |
1531 |
+ |
await(latch, LONG_DELAY_MS); |
1532 |
+ |
} |
1533 |
+ |
|
1534 |
|
public void await(Semaphore semaphore) { |
1535 |
|
try { |
1536 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1536 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1537 |
> |
fail("timed out waiting for Semaphore for " |
1538 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1539 |
|
} catch (Throwable fail) { |
1540 |
|
threadUnexpectedException(fail); |
1541 |
|
} |
1765 |
|
* A CyclicBarrier that uses timed await and fails with |
1766 |
|
* AssertionFailedErrors instead of throwing checked exceptions. |
1767 |
|
*/ |
1768 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1768 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1769 |
|
public CheckedBarrier(int parties) { super(parties); } |
1770 |
|
|
1771 |
|
public int await() { |
1829 |
|
} |
1830 |
|
} |
1831 |
|
|
1832 |
+ |
void assertImmutable(final Object o) { |
1833 |
+ |
if (o instanceof Collection) { |
1834 |
+ |
assertThrows( |
1835 |
+ |
UnsupportedOperationException.class, |
1836 |
+ |
new Runnable() { public void run() { |
1837 |
+ |
((Collection) o).add(null);}}); |
1838 |
+ |
} |
1839 |
+ |
} |
1840 |
+ |
|
1841 |
|
@SuppressWarnings("unchecked") |
1842 |
|
<T> T serialClone(T o) { |
1843 |
|
try { |
1844 |
|
ObjectInputStream ois = new ObjectInputStream |
1845 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1846 |
|
T clone = (T) ois.readObject(); |
1847 |
+ |
if (o == clone) assertImmutable(o); |
1848 |
|
assertSame(o.getClass(), clone.getClass()); |
1849 |
|
return clone; |
1850 |
|
} catch (Throwable fail) { |
1853 |
|
} |
1854 |
|
} |
1855 |
|
|
1856 |
+ |
/** |
1857 |
+ |
* A version of serialClone that leaves error handling (for |
1858 |
+ |
* e.g. NotSerializableException) up to the caller. |
1859 |
+ |
*/ |
1860 |
+ |
@SuppressWarnings("unchecked") |
1861 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1862 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1863 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1864 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1865 |
+ |
oos.writeObject(o); |
1866 |
+ |
oos.flush(); |
1867 |
+ |
oos.close(); |
1868 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1869 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1870 |
+ |
T clone = (T) ois.readObject(); |
1871 |
+ |
if (o == clone) assertImmutable(o); |
1872 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1873 |
+ |
return clone; |
1874 |
+ |
} |
1875 |
+ |
|
1876 |
+ |
/** |
1877 |
+ |
* If o implements Cloneable and has a public clone method, |
1878 |
+ |
* returns a clone of o, else null. |
1879 |
+ |
*/ |
1880 |
+ |
@SuppressWarnings("unchecked") |
1881 |
+ |
<T> T cloneableClone(T o) { |
1882 |
+ |
if (!(o instanceof Cloneable)) return null; |
1883 |
+ |
final T clone; |
1884 |
+ |
try { |
1885 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1886 |
+ |
} catch (NoSuchMethodException ok) { |
1887 |
+ |
return null; |
1888 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1889 |
+ |
throw new Error(unexpected); |
1890 |
+ |
} |
1891 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1892 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1893 |
+ |
return clone; |
1894 |
+ |
} |
1895 |
+ |
|
1896 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1897 |
|
Runnable... throwingActions) { |
1898 |
|
for (Runnable throwingAction : throwingActions) { |
1921 |
|
} catch (NoSuchElementException success) {} |
1922 |
|
assertFalse(it.hasNext()); |
1923 |
|
} |
1924 |
+ |
|
1925 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1926 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1927 |
+ |
} |
1928 |
+ |
|
1929 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1930 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1931 |
+ |
} |
1932 |
+ |
|
1933 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1934 |
+ |
static final ExecutorService cachedThreadPool = |
1935 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1936 |
+ |
1000L, MILLISECONDS, |
1937 |
+ |
new SynchronousQueue<Runnable>()); |
1938 |
+ |
|
1939 |
+ |
static <T> void shuffle(T[] array) { |
1940 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1941 |
+ |
} |
1942 |
|
} |