6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
+ |
/* |
10 |
+ |
* @test |
11 |
+ |
* @summary JSR-166 tck tests (conformance testing mode) |
12 |
+ |
* @build * |
13 |
+ |
* @modules java.management |
14 |
+ |
* @run junit/othervm/timeout=1000 JSR166TestCase |
15 |
+ |
*/ |
16 |
+ |
|
17 |
+ |
/* |
18 |
+ |
* @test |
19 |
+ |
* @summary JSR-166 tck tests (whitebox tests allowed) |
20 |
+ |
* @build * |
21 |
+ |
* @modules java.base/java.util.concurrent:open |
22 |
+ |
* java.base/java.lang:open |
23 |
+ |
* java.management |
24 |
+ |
* @run junit/othervm/timeout=1000 |
25 |
+ |
* -Djsr166.testImplementationDetails=true |
26 |
+ |
* JSR166TestCase |
27 |
+ |
* @run junit/othervm/timeout=1000 |
28 |
+ |
* -Djsr166.testImplementationDetails=true |
29 |
+ |
* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 |
30 |
+ |
* JSR166TestCase |
31 |
+ |
* @run junit/othervm/timeout=1000 |
32 |
+ |
* -Djsr166.testImplementationDetails=true |
33 |
+ |
* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 |
34 |
+ |
* -Djava.util.secureRandomSeed=true |
35 |
+ |
* JSR166TestCase |
36 |
+ |
* @run junit/othervm/timeout=1000/policy=tck.policy |
37 |
+ |
* -Djsr166.testImplementationDetails=true |
38 |
+ |
* JSR166TestCase |
39 |
+ |
*/ |
40 |
+ |
|
41 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
42 |
+ |
import static java.util.concurrent.TimeUnit.MINUTES; |
43 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
44 |
|
|
45 |
|
import java.io.ByteArrayInputStream; |
52 |
|
import java.lang.reflect.Constructor; |
53 |
|
import java.lang.reflect.Method; |
54 |
|
import java.lang.reflect.Modifier; |
55 |
+ |
import java.nio.file.Files; |
56 |
+ |
import java.nio.file.Paths; |
57 |
|
import java.security.CodeSource; |
58 |
|
import java.security.Permission; |
59 |
|
import java.security.PermissionCollection; |
63 |
|
import java.security.SecurityPermission; |
64 |
|
import java.util.ArrayList; |
65 |
|
import java.util.Arrays; |
66 |
+ |
import java.util.Collection; |
67 |
+ |
import java.util.Collections; |
68 |
|
import java.util.Date; |
69 |
|
import java.util.Enumeration; |
70 |
|
import java.util.Iterator; |
84 |
|
import java.util.concurrent.RecursiveTask; |
85 |
|
import java.util.concurrent.RejectedExecutionHandler; |
86 |
|
import java.util.concurrent.Semaphore; |
87 |
+ |
import java.util.concurrent.SynchronousQueue; |
88 |
|
import java.util.concurrent.ThreadFactory; |
89 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
90 |
|
import java.util.concurrent.ThreadPoolExecutor; |
91 |
|
import java.util.concurrent.TimeoutException; |
92 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
93 |
|
import java.util.concurrent.atomic.AtomicReference; |
94 |
+ |
import java.util.regex.Matcher; |
95 |
|
import java.util.regex.Pattern; |
96 |
|
|
97 |
|
import junit.framework.AssertionFailedError; |
149 |
|
* methods as there are exceptions the method can throw. Sometimes |
150 |
|
* there are multiple tests per JSR166 method when the different |
151 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
152 |
< |
* cover multiple methods when they cannot be tested in |
112 |
< |
* isolation. |
152 |
> |
* cover multiple methods when they cannot be tested in isolation. |
153 |
|
* |
154 |
|
* <li>The documentation style for testcases is to provide as javadoc |
155 |
|
* a simple sentence or two describing the property that the testcase |
212 |
|
private static final int suiteRuns = |
213 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
214 |
|
|
215 |
+ |
/** |
216 |
+ |
* Returns the value of the system property, or NaN if not defined. |
217 |
+ |
*/ |
218 |
+ |
private static float systemPropertyValue(String name) { |
219 |
+ |
String floatString = System.getProperty(name); |
220 |
+ |
if (floatString == null) |
221 |
+ |
return Float.NaN; |
222 |
+ |
try { |
223 |
+ |
return Float.parseFloat(floatString); |
224 |
+ |
} catch (NumberFormatException ex) { |
225 |
+ |
throw new IllegalArgumentException( |
226 |
+ |
String.format("Bad float value in system property %s=%s", |
227 |
+ |
name, floatString)); |
228 |
+ |
} |
229 |
+ |
} |
230 |
+ |
|
231 |
+ |
/** |
232 |
+ |
* The scaling factor to apply to standard delays used in tests. |
233 |
+ |
* May be initialized from any of: |
234 |
+ |
* - the "jsr166.delay.factor" system property |
235 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
236 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
237 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
238 |
+ |
*/ |
239 |
+ |
private static final float delayFactor = delayFactor(); |
240 |
+ |
|
241 |
+ |
private static float delayFactor() { |
242 |
+ |
float x; |
243 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
244 |
+ |
return x; |
245 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
246 |
+ |
return x; |
247 |
+ |
String prop = System.getProperty("java.vm.version"); |
248 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
249 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
250 |
+ |
return 1.0f; |
251 |
+ |
} |
252 |
+ |
|
253 |
|
public JSR166TestCase() { super(); } |
254 |
|
public JSR166TestCase(String name) { super(name); } |
255 |
|
|
265 |
|
return (regex == null) ? null : Pattern.compile(regex); |
266 |
|
} |
267 |
|
|
268 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
269 |
+ |
static volatile TestCase currentTestCase; |
270 |
+ |
// static volatile int currentRun = 0; |
271 |
+ |
static { |
272 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
273 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
274 |
+ |
// A single test case run should never take more than 1 second. |
275 |
+ |
// But let's cap it at the high end too ... |
276 |
+ |
final int timeoutMinutes = |
277 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
278 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
279 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
280 |
+ |
catch (InterruptedException unexpected) { break; } |
281 |
+ |
if (lastTestCase == currentTestCase) { |
282 |
+ |
System.err.printf( |
283 |
+ |
"Looks like we're stuck running test: %s%n", |
284 |
+ |
lastTestCase); |
285 |
+ |
// System.err.printf( |
286 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
287 |
+ |
// lastTestCase, currentRun, runsPerTest); |
288 |
+ |
// System.err.println("availableProcessors=" + |
289 |
+ |
// Runtime.getRuntime().availableProcessors()); |
290 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
291 |
+ |
dumpTestThreads(); |
292 |
+ |
// one stack dump is probably enough; more would be spam |
293 |
+ |
break; |
294 |
+ |
} |
295 |
+ |
lastTestCase = currentTestCase; |
296 |
+ |
}}}; |
297 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
298 |
+ |
thread.setDaemon(true); |
299 |
+ |
thread.start(); |
300 |
+ |
} |
301 |
+ |
|
302 |
+ |
// public static String cpuModel() { |
303 |
+ |
// try { |
304 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
305 |
+ |
// .matcher(new String( |
306 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
307 |
+ |
// matcher.find(); |
308 |
+ |
// return matcher.group(1); |
309 |
+ |
// } catch (Exception ex) { return null; } |
310 |
+ |
// } |
311 |
+ |
|
312 |
|
public void runBare() throws Throwable { |
313 |
+ |
currentTestCase = this; |
314 |
|
if (methodFilter == null |
315 |
|
|| methodFilter.matcher(toString()).find()) |
316 |
|
super.runBare(); |
318 |
|
|
319 |
|
protected void runTest() throws Throwable { |
320 |
|
for (int i = 0; i < runsPerTest; i++) { |
321 |
+ |
// currentRun = i; |
322 |
|
if (profileTests) |
323 |
|
runTestProfiled(); |
324 |
|
else |
347 |
|
main(suite(), args); |
348 |
|
} |
349 |
|
|
350 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
351 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
352 |
+ |
long runTime; |
353 |
+ |
public void startTest(Test test) {} |
354 |
+ |
protected void printHeader(long runTime) { |
355 |
+ |
this.runTime = runTime; // defer printing for later |
356 |
+ |
} |
357 |
+ |
protected void printFooter(TestResult result) { |
358 |
+ |
if (result.wasSuccessful()) { |
359 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
360 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
361 |
+ |
} else { |
362 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
363 |
+ |
super.printFooter(result); |
364 |
+ |
} |
365 |
+ |
} |
366 |
+ |
} |
367 |
+ |
|
368 |
+ |
/** |
369 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
370 |
+ |
* fluff, like printing a "." for each test case. |
371 |
+ |
*/ |
372 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
373 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
374 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
375 |
+ |
return runner; |
376 |
+ |
} |
377 |
+ |
|
378 |
|
/** |
379 |
|
* Runs all unit tests in the given test suite. |
380 |
|
* Actual behavior influenced by jsr166.* system properties. |
386 |
|
System.setSecurityManager(new SecurityManager()); |
387 |
|
} |
388 |
|
for (int i = 0; i < suiteRuns; i++) { |
389 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
389 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
390 |
|
if (!result.wasSuccessful()) |
391 |
|
System.exit(1); |
392 |
|
System.gc(); |
470 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
471 |
|
ArrayBlockingQueueTest.suite(), |
472 |
|
ArrayDequeTest.suite(), |
473 |
+ |
ArrayListTest.suite(), |
474 |
|
AtomicBooleanTest.suite(), |
475 |
|
AtomicIntegerArrayTest.suite(), |
476 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
493 |
|
CopyOnWriteArrayListTest.suite(), |
494 |
|
CopyOnWriteArraySetTest.suite(), |
495 |
|
CountDownLatchTest.suite(), |
496 |
+ |
CountedCompleterTest.suite(), |
497 |
|
CyclicBarrierTest.suite(), |
498 |
|
DelayQueueTest.suite(), |
499 |
|
EntryTest.suite(), |
522 |
|
TreeMapTest.suite(), |
523 |
|
TreeSetTest.suite(), |
524 |
|
TreeSubMapTest.suite(), |
525 |
< |
TreeSubSetTest.suite()); |
525 |
> |
TreeSubSetTest.suite(), |
526 |
> |
VectorTest.suite()); |
527 |
|
|
528 |
|
// Java8+ test classes |
529 |
|
if (atLeastJava8()) { |
530 |
|
String[] java8TestClassNames = { |
531 |
+ |
"ArrayDeque8Test", |
532 |
|
"Atomic8Test", |
533 |
|
"CompletableFutureTest", |
534 |
|
"ConcurrentHashMap8Test", |
535 |
< |
"CountedCompleterTest", |
535 |
> |
"CountedCompleter8Test", |
536 |
|
"DoubleAccumulatorTest", |
537 |
|
"DoubleAdderTest", |
538 |
|
"ForkJoinPool8Test", |
539 |
|
"ForkJoinTask8Test", |
540 |
+ |
"LinkedBlockingDeque8Test", |
541 |
+ |
"LinkedBlockingQueue8Test", |
542 |
|
"LongAccumulatorTest", |
543 |
|
"LongAdderTest", |
544 |
|
"SplittableRandomTest", |
545 |
|
"StampedLockTest", |
546 |
|
"SubmissionPublisherTest", |
547 |
|
"ThreadLocalRandom8Test", |
548 |
+ |
"TimeUnit8Test", |
549 |
|
}; |
550 |
|
addNamedTestClasses(suite, java8TestClassNames); |
551 |
|
} |
553 |
|
// Java9+ test classes |
554 |
|
if (atLeastJava9()) { |
555 |
|
String[] java9TestClassNames = { |
556 |
< |
// Currently empty, but expecting varhandle tests |
556 |
> |
"AtomicBoolean9Test", |
557 |
> |
"AtomicInteger9Test", |
558 |
> |
"AtomicIntegerArray9Test", |
559 |
> |
"AtomicLong9Test", |
560 |
> |
"AtomicLongArray9Test", |
561 |
> |
"AtomicReference9Test", |
562 |
> |
"AtomicReferenceArray9Test", |
563 |
> |
"ExecutorCompletionService9Test", |
564 |
> |
"ForkJoinPool9Test", |
565 |
|
}; |
566 |
|
addNamedTestClasses(suite, java9TestClassNames); |
567 |
|
} |
572 |
|
/** Returns list of junit-style test method names in given class. */ |
573 |
|
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
574 |
|
Method[] methods = testClass.getDeclaredMethods(); |
575 |
< |
ArrayList<String> names = new ArrayList<String>(methods.length); |
575 |
> |
ArrayList<String> names = new ArrayList<>(methods.length); |
576 |
|
for (Method method : methods) { |
577 |
|
if (method.getName().startsWith("test") |
578 |
|
&& Modifier.isPublic(method.getModifiers()) |
628 |
|
} else { |
629 |
|
return new TestSuite(); |
630 |
|
} |
464 |
– |
|
631 |
|
} |
632 |
|
|
633 |
|
// Delays for timing-dependent tests, in milliseconds. |
638 |
|
public static long LONG_DELAY_MS; |
639 |
|
|
640 |
|
/** |
641 |
< |
* Returns the shortest timed delay. This could |
642 |
< |
* be reimplemented to use for example a Property. |
641 |
> |
* Returns the shortest timed delay. This can be scaled up for |
642 |
> |
* slow machines using the jsr166.delay.factor system property, |
643 |
> |
* or via jtreg's -timeoutFactor: flag. |
644 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
645 |
|
*/ |
646 |
|
protected long getShortDelay() { |
647 |
< |
return 50; |
647 |
> |
return (long) (50 * delayFactor); |
648 |
|
} |
649 |
|
|
650 |
|
/** |
678 |
|
* The first exception encountered if any threadAssertXXX method fails. |
679 |
|
*/ |
680 |
|
private final AtomicReference<Throwable> threadFailure |
681 |
< |
= new AtomicReference<Throwable>(null); |
681 |
> |
= new AtomicReference<>(null); |
682 |
|
|
683 |
|
/** |
684 |
|
* Records an exception so that it can be rethrown later in the test |
687 |
|
* the same test have no effect. |
688 |
|
*/ |
689 |
|
public void threadRecordFailure(Throwable t) { |
690 |
< |
printAllStackTraces(); |
690 |
> |
System.err.println(t); |
691 |
> |
dumpTestThreads(); |
692 |
|
threadFailure.compareAndSet(null, t); |
693 |
|
} |
694 |
|
|
699 |
|
void tearDownFail(String format, Object... args) { |
700 |
|
String msg = toString() + ": " + String.format(format, args); |
701 |
|
System.err.println(msg); |
702 |
< |
printAllStackTraces(); |
702 |
> |
dumpTestThreads(); |
703 |
|
throw new AssertionFailedError(msg); |
704 |
|
} |
705 |
|
|
736 |
|
} |
737 |
|
|
738 |
|
/** |
739 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
739 |
> |
* Finds missing PoolCleaners |
740 |
|
*/ |
741 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
742 |
|
Thread[] survivors = new Thread[7]; |
895 |
|
/** |
896 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
897 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
898 |
< |
* until time elapses. |
898 |
> |
* until time elapses. Ensures that the given time, as measured |
899 |
> |
* by System.nanoTime(), has elapsed. |
900 |
|
*/ |
901 |
|
static void delay(long millis) throws InterruptedException { |
902 |
< |
long startTime = System.nanoTime(); |
903 |
< |
long ns = millis * 1000 * 1000; |
904 |
< |
for (;;) { |
902 |
> |
long nanos = millis * (1000 * 1000); |
903 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
904 |
> |
do { |
905 |
|
if (millis > 0L) |
906 |
|
Thread.sleep(millis); |
907 |
|
else // too short to sleep |
908 |
|
Thread.yield(); |
909 |
< |
long d = ns - (System.nanoTime() - startTime); |
910 |
< |
if (d > 0L) |
911 |
< |
millis = d / (1000 * 1000); |
742 |
< |
else |
743 |
< |
break; |
744 |
< |
} |
909 |
> |
nanos = wakeupTime - System.nanoTime(); |
910 |
> |
millis = nanos / (1000 * 1000); |
911 |
> |
} while (nanos >= 0L); |
912 |
|
} |
913 |
|
|
914 |
|
/** |
915 |
|
* Allows use of try-with-resources with per-test thread pools. |
916 |
|
*/ |
917 |
< |
static class PoolCloser<T extends ExecutorService> |
918 |
< |
implements AutoCloseable { |
919 |
< |
public final T pool; |
753 |
< |
public PoolCloser(T pool) { this.pool = pool; } |
917 |
> |
class PoolCleaner implements AutoCloseable { |
918 |
> |
private final ExecutorService pool; |
919 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
920 |
|
public void close() { joinPool(pool); } |
921 |
|
} |
922 |
|
|
923 |
|
/** |
924 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
925 |
+ |
*/ |
926 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
927 |
+ |
private final Runnable releaser; |
928 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
929 |
+ |
super(pool); |
930 |
+ |
this.releaser = releaser; |
931 |
+ |
} |
932 |
+ |
public void close() { |
933 |
+ |
try { |
934 |
+ |
releaser.run(); |
935 |
+ |
} finally { |
936 |
+ |
super.close(); |
937 |
+ |
} |
938 |
+ |
} |
939 |
+ |
} |
940 |
+ |
|
941 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
942 |
+ |
return new PoolCleaner(pool); |
943 |
+ |
} |
944 |
+ |
|
945 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
946 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
947 |
+ |
} |
948 |
+ |
|
949 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
950 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
951 |
+ |
} |
952 |
+ |
|
953 |
+ |
Runnable releaser(final CountDownLatch latch) { |
954 |
+ |
return new Runnable() { public void run() { |
955 |
+ |
do { latch.countDown(); } |
956 |
+ |
while (latch.getCount() > 0); |
957 |
+ |
}}; |
958 |
+ |
} |
959 |
+ |
|
960 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
961 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
962 |
+ |
} |
963 |
+ |
|
964 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
965 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
966 |
+ |
} |
967 |
+ |
|
968 |
+ |
/** |
969 |
|
* Waits out termination of a thread pool or fails doing so. |
970 |
|
*/ |
971 |
< |
static void joinPool(ExecutorService pool) { |
971 |
> |
void joinPool(ExecutorService pool) { |
972 |
|
try { |
973 |
|
pool.shutdown(); |
974 |
< |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
975 |
< |
fail("ExecutorService " + pool + |
976 |
< |
" did not terminate in a timely manner"); |
974 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
975 |
> |
try { |
976 |
> |
threadFail("ExecutorService " + pool + |
977 |
> |
" did not terminate in a timely manner"); |
978 |
> |
} finally { |
979 |
> |
// last resort, for the benefit of subsequent tests |
980 |
> |
pool.shutdownNow(); |
981 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
982 |
> |
} |
983 |
> |
} |
984 |
|
} catch (SecurityException ok) { |
985 |
|
// Allowed in case test doesn't have privs |
986 |
|
} catch (InterruptedException fail) { |
987 |
< |
fail("Unexpected InterruptedException"); |
987 |
> |
threadFail("Unexpected InterruptedException"); |
988 |
|
} |
989 |
|
} |
990 |
|
|
991 |
< |
/** Like Runnable, but with the freedom to throw anything */ |
991 |
> |
/** |
992 |
> |
* Like Runnable, but with the freedom to throw anything. |
993 |
> |
* junit folks had the same idea: |
994 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
995 |
> |
*/ |
996 |
|
interface Action { public void run() throws Throwable; } |
997 |
|
|
998 |
|
/** |
1001 |
|
* necessarily individually slow because they must block. |
1002 |
|
*/ |
1003 |
|
void testInParallel(Action ... actions) { |
1004 |
< |
try (PoolCloser<ExecutorService> poolCloser |
1005 |
< |
= new PoolCloser<>(Executors.newCachedThreadPool())) { |
784 |
< |
ExecutorService pool = poolCloser.pool; |
1004 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
1005 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
1006 |
|
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1007 |
|
for (final Action action : actions) |
1008 |
|
futures.add(pool.submit(new CheckedRunnable() { |
1019 |
|
} |
1020 |
|
|
1021 |
|
/** |
1022 |
< |
* A debugging tool to print all stack traces, as jstack does. |
1022 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
1023 |
|
* Uninteresting threads are filtered out. |
1024 |
|
*/ |
1025 |
< |
static void printAllStackTraces() { |
1025 |
> |
static void dumpTestThreads() { |
1026 |
> |
SecurityManager sm = System.getSecurityManager(); |
1027 |
> |
if (sm != null) { |
1028 |
> |
try { |
1029 |
> |
System.setSecurityManager(null); |
1030 |
> |
} catch (SecurityException giveUp) { |
1031 |
> |
return; |
1032 |
> |
} |
1033 |
> |
} |
1034 |
> |
|
1035 |
|
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1036 |
|
System.err.println("------ stacktrace dump start ------"); |
1037 |
|
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1038 |
< |
String name = info.getThreadName(); |
1038 |
> |
final String name = info.getThreadName(); |
1039 |
> |
String lockName; |
1040 |
|
if ("Signal Dispatcher".equals(name)) |
1041 |
|
continue; |
1042 |
|
if ("Reference Handler".equals(name) |
1043 |
< |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
1043 |
> |
&& (lockName = info.getLockName()) != null |
1044 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1045 |
|
continue; |
1046 |
|
if ("Finalizer".equals(name) |
1047 |
< |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1047 |
> |
&& (lockName = info.getLockName()) != null |
1048 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1049 |
> |
continue; |
1050 |
> |
if ("checkForWedgedTest".equals(name)) |
1051 |
|
continue; |
1052 |
|
System.err.print(info); |
1053 |
|
} |
1054 |
|
System.err.println("------ stacktrace dump end ------"); |
1055 |
+ |
|
1056 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1057 |
|
} |
1058 |
|
|
1059 |
|
/** |
1073 |
|
delay(millis); |
1074 |
|
assertTrue(thread.isAlive()); |
1075 |
|
} catch (InterruptedException fail) { |
1076 |
< |
fail("Unexpected InterruptedException"); |
1076 |
> |
threadFail("Unexpected InterruptedException"); |
1077 |
|
} |
1078 |
|
} |
1079 |
|
|
1095 |
|
for (Thread thread : threads) |
1096 |
|
assertTrue(thread.isAlive()); |
1097 |
|
} catch (InterruptedException fail) { |
1098 |
< |
fail("Unexpected InterruptedException"); |
1098 |
> |
threadFail("Unexpected InterruptedException"); |
1099 |
|
} |
1100 |
|
} |
1101 |
|
|
1240 |
|
} |
1241 |
|
public void refresh() {} |
1242 |
|
public String toString() { |
1243 |
< |
List<Permission> ps = new ArrayList<Permission>(); |
1243 |
> |
List<Permission> ps = new ArrayList<>(); |
1244 |
|
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1245 |
|
ps.add(e.nextElement()); |
1246 |
|
return "AdjustablePolicy with permissions " + ps; |
1270 |
|
* Sleeps until the given time has elapsed. |
1271 |
|
* Throws AssertionFailedError if interrupted. |
1272 |
|
*/ |
1273 |
< |
void sleep(long millis) { |
1273 |
> |
static void sleep(long millis) { |
1274 |
|
try { |
1275 |
|
delay(millis); |
1276 |
|
} catch (InterruptedException fail) { |
1286 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1287 |
|
*/ |
1288 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1289 |
< |
long startTime = System.nanoTime(); |
1289 |
> |
long startTime = 0L; |
1290 |
|
for (;;) { |
1291 |
|
Thread.State s = thread.getState(); |
1292 |
|
if (s == Thread.State.BLOCKED || |
1295 |
|
return; |
1296 |
|
else if (s == Thread.State.TERMINATED) |
1297 |
|
fail("Unexpected thread termination"); |
1298 |
+ |
else if (startTime == 0L) |
1299 |
+ |
startTime = System.nanoTime(); |
1300 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1301 |
|
threadAssertTrue(thread.isAlive()); |
1302 |
|
return; |
1375 |
|
} finally { |
1376 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1377 |
|
t.interrupt(); |
1378 |
< |
fail("Test timed out"); |
1378 |
> |
threadFail("timed out waiting for thread to terminate"); |
1379 |
|
} |
1380 |
|
} |
1381 |
|
} |
1523 |
|
}}; |
1524 |
|
} |
1525 |
|
|
1526 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1527 |
< |
return new CheckedRunnable() { |
1528 |
< |
public void realRun() throws InterruptedException { |
1529 |
< |
await(latch); |
1530 |
< |
}}; |
1526 |
> |
class LatchAwaiter extends CheckedRunnable { |
1527 |
> |
static final int NEW = 0; |
1528 |
> |
static final int RUNNING = 1; |
1529 |
> |
static final int DONE = 2; |
1530 |
> |
final CountDownLatch latch; |
1531 |
> |
int state = NEW; |
1532 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1533 |
> |
public void realRun() throws InterruptedException { |
1534 |
> |
state = 1; |
1535 |
> |
await(latch); |
1536 |
> |
state = 2; |
1537 |
> |
} |
1538 |
|
} |
1539 |
|
|
1540 |
< |
public void await(CountDownLatch latch) { |
1540 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1541 |
> |
return new LatchAwaiter(latch); |
1542 |
> |
} |
1543 |
> |
|
1544 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1545 |
|
try { |
1546 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1546 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1547 |
> |
fail("timed out waiting for CountDownLatch for " |
1548 |
> |
+ (timeoutMillis/1000) + " sec"); |
1549 |
|
} catch (Throwable fail) { |
1550 |
|
threadUnexpectedException(fail); |
1551 |
|
} |
1552 |
|
} |
1553 |
|
|
1554 |
+ |
public void await(CountDownLatch latch) { |
1555 |
+ |
await(latch, LONG_DELAY_MS); |
1556 |
+ |
} |
1557 |
+ |
|
1558 |
|
public void await(Semaphore semaphore) { |
1559 |
|
try { |
1560 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1560 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1561 |
> |
fail("timed out waiting for Semaphore for " |
1562 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1563 |
|
} catch (Throwable fail) { |
1564 |
|
threadUnexpectedException(fail); |
1565 |
|
} |
1789 |
|
* A CyclicBarrier that uses timed await and fails with |
1790 |
|
* AssertionFailedErrors instead of throwing checked exceptions. |
1791 |
|
*/ |
1792 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1792 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1793 |
|
public CheckedBarrier(int parties) { super(parties); } |
1794 |
|
|
1795 |
|
public int await() { |
1853 |
|
} |
1854 |
|
} |
1855 |
|
|
1856 |
+ |
void assertImmutable(final Object o) { |
1857 |
+ |
if (o instanceof Collection) { |
1858 |
+ |
assertThrows( |
1859 |
+ |
UnsupportedOperationException.class, |
1860 |
+ |
new Runnable() { public void run() { |
1861 |
+ |
((Collection) o).add(null);}}); |
1862 |
+ |
} |
1863 |
+ |
} |
1864 |
+ |
|
1865 |
|
@SuppressWarnings("unchecked") |
1866 |
|
<T> T serialClone(T o) { |
1867 |
|
try { |
1868 |
|
ObjectInputStream ois = new ObjectInputStream |
1869 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1870 |
|
T clone = (T) ois.readObject(); |
1871 |
+ |
if (o == clone) assertImmutable(o); |
1872 |
|
assertSame(o.getClass(), clone.getClass()); |
1873 |
|
return clone; |
1874 |
|
} catch (Throwable fail) { |
1877 |
|
} |
1878 |
|
} |
1879 |
|
|
1880 |
+ |
/** |
1881 |
+ |
* A version of serialClone that leaves error handling (for |
1882 |
+ |
* e.g. NotSerializableException) up to the caller. |
1883 |
+ |
*/ |
1884 |
+ |
@SuppressWarnings("unchecked") |
1885 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1886 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1887 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1888 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1889 |
+ |
oos.writeObject(o); |
1890 |
+ |
oos.flush(); |
1891 |
+ |
oos.close(); |
1892 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1893 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1894 |
+ |
T clone = (T) ois.readObject(); |
1895 |
+ |
if (o == clone) assertImmutable(o); |
1896 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1897 |
+ |
return clone; |
1898 |
+ |
} |
1899 |
+ |
|
1900 |
+ |
/** |
1901 |
+ |
* If o implements Cloneable and has a public clone method, |
1902 |
+ |
* returns a clone of o, else null. |
1903 |
+ |
*/ |
1904 |
+ |
@SuppressWarnings("unchecked") |
1905 |
+ |
<T> T cloneableClone(T o) { |
1906 |
+ |
if (!(o instanceof Cloneable)) return null; |
1907 |
+ |
final T clone; |
1908 |
+ |
try { |
1909 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1910 |
+ |
} catch (NoSuchMethodException ok) { |
1911 |
+ |
return null; |
1912 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1913 |
+ |
throw new Error(unexpected); |
1914 |
+ |
} |
1915 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1916 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1917 |
+ |
return clone; |
1918 |
+ |
} |
1919 |
+ |
|
1920 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1921 |
|
Runnable... throwingActions) { |
1922 |
|
for (Runnable throwingAction : throwingActions) { |
1945 |
|
} catch (NoSuchElementException success) {} |
1946 |
|
assertFalse(it.hasNext()); |
1947 |
|
} |
1948 |
+ |
|
1949 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1950 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1951 |
+ |
} |
1952 |
+ |
|
1953 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1954 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1955 |
+ |
} |
1956 |
+ |
|
1957 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1958 |
+ |
static final ExecutorService cachedThreadPool = |
1959 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1960 |
+ |
1000L, MILLISECONDS, |
1961 |
+ |
new SynchronousQueue<Runnable>()); |
1962 |
+ |
|
1963 |
+ |
static <T> void shuffle(T[] array) { |
1964 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1965 |
+ |
} |
1966 |
|
} |