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 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase |
17 |
+ |
*/ |
18 |
+ |
|
19 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
20 |
|
import static java.util.concurrent.TimeUnit.MINUTES; |
21 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
30 |
|
import java.lang.reflect.Constructor; |
31 |
|
import java.lang.reflect.Method; |
32 |
|
import java.lang.reflect.Modifier; |
33 |
+ |
import java.nio.file.Files; |
34 |
+ |
import java.nio.file.Paths; |
35 |
|
import java.security.CodeSource; |
36 |
|
import java.security.Permission; |
37 |
|
import java.security.PermissionCollection; |
60 |
|
import java.util.concurrent.RecursiveTask; |
61 |
|
import java.util.concurrent.RejectedExecutionHandler; |
62 |
|
import java.util.concurrent.Semaphore; |
63 |
+ |
import java.util.concurrent.SynchronousQueue; |
64 |
|
import java.util.concurrent.ThreadFactory; |
65 |
|
import java.util.concurrent.ThreadPoolExecutor; |
66 |
|
import java.util.concurrent.TimeoutException; |
67 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
68 |
|
import java.util.concurrent.atomic.AtomicReference; |
69 |
+ |
import java.util.regex.Matcher; |
70 |
|
import java.util.regex.Pattern; |
71 |
|
|
72 |
|
import junit.framework.AssertionFailedError; |
124 |
|
* methods as there are exceptions the method can throw. Sometimes |
125 |
|
* there are multiple tests per JSR166 method when the different |
126 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
127 |
< |
* cover multiple methods when they cannot be tested in |
113 |
< |
* isolation. |
127 |
> |
* cover multiple methods when they cannot be tested in isolation. |
128 |
|
* |
129 |
|
* <li>The documentation style for testcases is to provide as javadoc |
130 |
|
* a simple sentence or two describing the property that the testcase |
187 |
|
private static final int suiteRuns = |
188 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
189 |
|
|
190 |
+ |
/** |
191 |
+ |
* Returns the value of the system property, or NaN if not defined. |
192 |
+ |
*/ |
193 |
+ |
private static float systemPropertyValue(String name) { |
194 |
+ |
String floatString = System.getProperty(name); |
195 |
+ |
if (floatString == null) |
196 |
+ |
return Float.NaN; |
197 |
+ |
try { |
198 |
+ |
return Float.parseFloat(floatString); |
199 |
+ |
} catch (NumberFormatException ex) { |
200 |
+ |
throw new IllegalArgumentException( |
201 |
+ |
String.format("Bad float value in system property %s=%s", |
202 |
+ |
name, floatString)); |
203 |
+ |
} |
204 |
+ |
} |
205 |
+ |
|
206 |
+ |
/** |
207 |
+ |
* The scaling factor to apply to standard delays used in tests. |
208 |
+ |
* May be initialized from any of: |
209 |
+ |
* - the "jsr166.delay.factor" system property |
210 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
211 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
212 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
213 |
+ |
*/ |
214 |
+ |
private static final float delayFactor = delayFactor(); |
215 |
+ |
|
216 |
+ |
private static float delayFactor() { |
217 |
+ |
float x; |
218 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
219 |
+ |
return x; |
220 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
221 |
+ |
return x; |
222 |
+ |
String prop = System.getProperty("java.vm.version"); |
223 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
224 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
225 |
+ |
return 1.0f; |
226 |
+ |
} |
227 |
+ |
|
228 |
|
public JSR166TestCase() { super(); } |
229 |
|
public JSR166TestCase(String name) { super(name); } |
230 |
|
|
240 |
|
return (regex == null) ? null : Pattern.compile(regex); |
241 |
|
} |
242 |
|
|
243 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
244 |
|
static volatile TestCase currentTestCase; |
245 |
+ |
// static volatile int currentRun = 0; |
246 |
|
static { |
247 |
|
Runnable checkForWedgedTest = new Runnable() { public void run() { |
248 |
< |
// avoid spurious reports with enormous runsPerTest |
249 |
< |
final int timeoutMinutes = Math.max(runsPerTest / 10, 1); |
248 |
> |
// Avoid spurious reports with enormous runsPerTest. |
249 |
> |
// A single test case run should never take more than 1 second. |
250 |
> |
// But let's cap it at the high end too ... |
251 |
> |
final int timeoutMinutes = |
252 |
> |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
253 |
|
for (TestCase lastTestCase = currentTestCase;;) { |
254 |
|
try { MINUTES.sleep(timeoutMinutes); } |
255 |
|
catch (InterruptedException unexpected) { break; } |
256 |
|
if (lastTestCase == currentTestCase) { |
257 |
< |
System.err.println |
258 |
< |
("Looks like we're stuck running test: " |
259 |
< |
+ lastTestCase); |
257 |
> |
System.err.printf( |
258 |
> |
"Looks like we're stuck running test: %s%n", |
259 |
> |
lastTestCase); |
260 |
> |
// System.err.printf( |
261 |
> |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
262 |
> |
// lastTestCase, currentRun, runsPerTest); |
263 |
> |
// System.err.println("availableProcessors=" + |
264 |
> |
// Runtime.getRuntime().availableProcessors()); |
265 |
> |
// System.err.printf("cpu model = %s%n", cpuModel()); |
266 |
|
dumpTestThreads(); |
267 |
|
// one stack dump is probably enough; more would be spam |
268 |
|
break; |
274 |
|
thread.start(); |
275 |
|
} |
276 |
|
|
277 |
+ |
// public static String cpuModel() { |
278 |
+ |
// try { |
279 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
280 |
+ |
// .matcher(new String( |
281 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
282 |
+ |
// matcher.find(); |
283 |
+ |
// return matcher.group(1); |
284 |
+ |
// } catch (Exception ex) { return null; } |
285 |
+ |
// } |
286 |
+ |
|
287 |
|
public void runBare() throws Throwable { |
288 |
|
currentTestCase = this; |
289 |
|
if (methodFilter == null |
293 |
|
|
294 |
|
protected void runTest() throws Throwable { |
295 |
|
for (int i = 0; i < runsPerTest; i++) { |
296 |
+ |
// currentRun = i; |
297 |
|
if (profileTests) |
298 |
|
runTestProfiled(); |
299 |
|
else |
322 |
|
main(suite(), args); |
323 |
|
} |
324 |
|
|
325 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
326 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
327 |
+ |
long runTime; |
328 |
+ |
public void startTest(Test test) {} |
329 |
+ |
protected void printHeader(long runTime) { |
330 |
+ |
this.runTime = runTime; // defer printing for later |
331 |
+ |
} |
332 |
+ |
protected void printFooter(TestResult result) { |
333 |
+ |
if (result.wasSuccessful()) { |
334 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
335 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
336 |
+ |
} else { |
337 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
338 |
+ |
super.printFooter(result); |
339 |
+ |
} |
340 |
+ |
} |
341 |
+ |
} |
342 |
+ |
|
343 |
+ |
/** |
344 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
345 |
+ |
* fluff, like printing a "." for each test case. |
346 |
+ |
*/ |
347 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
348 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
349 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
350 |
+ |
return runner; |
351 |
+ |
} |
352 |
+ |
|
353 |
|
/** |
354 |
|
* Runs all unit tests in the given test suite. |
355 |
|
* Actual behavior influenced by jsr166.* system properties. |
361 |
|
System.setSecurityManager(new SecurityManager()); |
362 |
|
} |
363 |
|
for (int i = 0; i < suiteRuns; i++) { |
364 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
364 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
365 |
|
if (!result.wasSuccessful()) |
366 |
|
System.exit(1); |
367 |
|
System.gc(); |
514 |
|
"StampedLockTest", |
515 |
|
"SubmissionPublisherTest", |
516 |
|
"ThreadLocalRandom8Test", |
517 |
+ |
"TimeUnit8Test", |
518 |
|
}; |
519 |
|
addNamedTestClasses(suite, java8TestClassNames); |
520 |
|
} |
522 |
|
// Java9+ test classes |
523 |
|
if (atLeastJava9()) { |
524 |
|
String[] java9TestClassNames = { |
525 |
< |
// Currently empty, but expecting varhandle tests |
525 |
> |
"AtomicBoolean9Test", |
526 |
> |
"AtomicInteger9Test", |
527 |
> |
"AtomicIntegerArray9Test", |
528 |
> |
"AtomicLong9Test", |
529 |
> |
"AtomicLongArray9Test", |
530 |
> |
"AtomicReference9Test", |
531 |
> |
"AtomicReferenceArray9Test", |
532 |
> |
"ExecutorCompletionService9Test", |
533 |
|
}; |
534 |
|
addNamedTestClasses(suite, java9TestClassNames); |
535 |
|
} |
606 |
|
public static long LONG_DELAY_MS; |
607 |
|
|
608 |
|
/** |
609 |
< |
* Returns the shortest timed delay. This could |
610 |
< |
* be reimplemented to use for example a Property. |
609 |
> |
* Returns the shortest timed delay. This can be scaled up for |
610 |
> |
* slow machines using the jsr166.delay.factor system property, |
611 |
> |
* or via jtreg's -timeoutFactor: flag. |
612 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
613 |
|
*/ |
614 |
|
protected long getShortDelay() { |
615 |
< |
return 50; |
615 |
> |
return (long) (50 * delayFactor); |
616 |
|
} |
617 |
|
|
618 |
|
/** |
888 |
|
public void close() { joinPool(pool); } |
889 |
|
} |
890 |
|
|
891 |
+ |
/** |
892 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
893 |
+ |
*/ |
894 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
895 |
+ |
private final Runnable releaser; |
896 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
897 |
+ |
super(pool); |
898 |
+ |
this.releaser = releaser; |
899 |
+ |
} |
900 |
+ |
public void close() { |
901 |
+ |
try { |
902 |
+ |
releaser.run(); |
903 |
+ |
} finally { |
904 |
+ |
super.close(); |
905 |
+ |
} |
906 |
+ |
} |
907 |
+ |
} |
908 |
+ |
|
909 |
|
PoolCleaner cleaner(ExecutorService pool) { |
910 |
|
return new PoolCleaner(pool); |
911 |
|
} |
912 |
|
|
913 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
914 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
915 |
+ |
} |
916 |
+ |
|
917 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
918 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
919 |
+ |
} |
920 |
+ |
|
921 |
+ |
Runnable releaser(final CountDownLatch latch) { |
922 |
+ |
return new Runnable() { public void run() { |
923 |
+ |
do { latch.countDown(); } |
924 |
+ |
while (latch.getCount() > 0); |
925 |
+ |
}}; |
926 |
+ |
} |
927 |
+ |
|
928 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
929 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
930 |
+ |
} |
931 |
+ |
|
932 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
933 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
934 |
+ |
} |
935 |
+ |
|
936 |
|
/** |
937 |
|
* Waits out termination of a thread pool or fails doing so. |
938 |
|
*/ |
946 |
|
} finally { |
947 |
|
// last resort, for the benefit of subsequent tests |
948 |
|
pool.shutdownNow(); |
949 |
< |
pool.awaitTermination(SMALL_DELAY_MS, MILLISECONDS); |
949 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
950 |
|
} |
951 |
|
} |
952 |
|
} catch (SecurityException ok) { |
956 |
|
} |
957 |
|
} |
958 |
|
|
959 |
< |
/** Like Runnable, but with the freedom to throw anything */ |
959 |
> |
/** |
960 |
> |
* Like Runnable, but with the freedom to throw anything. |
961 |
> |
* junit folks had the same idea: |
962 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
963 |
> |
*/ |
964 |
|
interface Action { public void run() throws Throwable; } |
965 |
|
|
966 |
|
/** |
991 |
|
* Uninteresting threads are filtered out. |
992 |
|
*/ |
993 |
|
static void dumpTestThreads() { |
994 |
+ |
SecurityManager sm = System.getSecurityManager(); |
995 |
+ |
if (sm != null) { |
996 |
+ |
try { |
997 |
+ |
System.setSecurityManager(null); |
998 |
+ |
} catch (SecurityException giveUp) { |
999 |
+ |
return; |
1000 |
+ |
} |
1001 |
+ |
} |
1002 |
+ |
|
1003 |
|
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1004 |
|
System.err.println("------ stacktrace dump start ------"); |
1005 |
|
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1017 |
|
System.err.print(info); |
1018 |
|
} |
1019 |
|
System.err.println("------ stacktrace dump end ------"); |
1020 |
+ |
|
1021 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1022 |
|
} |
1023 |
|
|
1024 |
|
/** |
1338 |
|
} finally { |
1339 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1340 |
|
t.interrupt(); |
1341 |
< |
fail("Test timed out"); |
1341 |
> |
threadFail("timed out waiting for thread to terminate"); |
1342 |
|
} |
1343 |
|
} |
1344 |
|
} |
1504 |
|
return new LatchAwaiter(latch); |
1505 |
|
} |
1506 |
|
|
1507 |
< |
public void await(CountDownLatch latch) { |
1507 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1508 |
|
try { |
1509 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1509 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1510 |
> |
fail("timed out waiting for CountDownLatch for " |
1511 |
> |
+ (timeoutMillis/1000) + " sec"); |
1512 |
|
} catch (Throwable fail) { |
1513 |
|
threadUnexpectedException(fail); |
1514 |
|
} |
1515 |
|
} |
1516 |
|
|
1517 |
+ |
public void await(CountDownLatch latch) { |
1518 |
+ |
await(latch, LONG_DELAY_MS); |
1519 |
+ |
} |
1520 |
+ |
|
1521 |
|
public void await(Semaphore semaphore) { |
1522 |
|
try { |
1523 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1523 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1524 |
> |
fail("timed out waiting for Semaphore for " |
1525 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1526 |
|
} catch (Throwable fail) { |
1527 |
|
threadUnexpectedException(fail); |
1528 |
|
} |
1858 |
|
} catch (NoSuchElementException success) {} |
1859 |
|
assertFalse(it.hasNext()); |
1860 |
|
} |
1861 |
+ |
|
1862 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1863 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1864 |
+ |
} |
1865 |
+ |
|
1866 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1867 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1868 |
+ |
} |
1869 |
+ |
|
1870 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1871 |
+ |
static final ExecutorService cachedThreadPool = |
1872 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1873 |
+ |
1000L, MILLISECONDS, |
1874 |
+ |
new SynchronousQueue<Runnable>()); |
1875 |
+ |
|
1876 |
|
} |