6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
+ |
/* |
10 |
+ |
* @test |
11 |
+ |
* @summary JSR-166 tck tests |
12 |
+ |
* @build * |
13 |
+ |
* @run junit/othervm/timeout=1000 JSR166TestCase |
14 |
+ |
*/ |
15 |
+ |
|
16 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
17 |
+ |
import static java.util.concurrent.TimeUnit.MINUTES; |
18 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
19 |
|
|
20 |
|
import java.io.ByteArrayInputStream; |
23 |
|
import java.io.ObjectOutputStream; |
24 |
|
import java.lang.management.ManagementFactory; |
25 |
|
import java.lang.management.ThreadInfo; |
26 |
+ |
import java.lang.management.ThreadMXBean; |
27 |
|
import java.lang.reflect.Constructor; |
28 |
|
import java.lang.reflect.Method; |
29 |
|
import java.lang.reflect.Modifier; |
30 |
+ |
import java.nio.file.Files; |
31 |
+ |
import java.nio.file.Paths; |
32 |
|
import java.security.CodeSource; |
33 |
|
import java.security.Permission; |
34 |
|
import java.security.PermissionCollection; |
48 |
|
import java.util.concurrent.Callable; |
49 |
|
import java.util.concurrent.CountDownLatch; |
50 |
|
import java.util.concurrent.CyclicBarrier; |
51 |
+ |
import java.util.concurrent.ExecutionException; |
52 |
+ |
import java.util.concurrent.Executors; |
53 |
|
import java.util.concurrent.ExecutorService; |
54 |
+ |
import java.util.concurrent.ForkJoinPool; |
55 |
|
import java.util.concurrent.Future; |
56 |
|
import java.util.concurrent.RecursiveAction; |
57 |
|
import java.util.concurrent.RecursiveTask; |
61 |
|
import java.util.concurrent.ThreadPoolExecutor; |
62 |
|
import java.util.concurrent.TimeoutException; |
63 |
|
import java.util.concurrent.atomic.AtomicReference; |
64 |
+ |
import java.util.regex.Matcher; |
65 |
|
import java.util.regex.Pattern; |
66 |
|
|
67 |
|
import junit.framework.AssertionFailedError; |
80 |
|
* |
81 |
|
* <ol> |
82 |
|
* |
83 |
< |
* <li> All assertions in code running in generated threads must use |
83 |
> |
* <li>All assertions in code running in generated threads must use |
84 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
85 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
86 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
87 |
|
* particularly recommended) for other code to use these forms too. |
88 |
|
* Only the most typically used JUnit assertion methods are defined |
89 |
< |
* this way, but enough to live with.</li> |
89 |
> |
* this way, but enough to live with. |
90 |
|
* |
91 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
91 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
92 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
93 |
|
* them. These methods are used to clear and check for thread |
94 |
< |
* assertion failures.</li> |
94 |
> |
* assertion failures. |
95 |
|
* |
96 |
|
* <li>All delays and timeouts must use one of the constants {@code |
97 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
102 |
|
* is always discriminable as larger than SHORT and smaller than |
103 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
104 |
|
* but even so, if there is ever any doubt, they can all be increased |
105 |
< |
* in one spot to rerun tests on slower platforms.</li> |
105 |
> |
* in one spot to rerun tests on slower platforms. |
106 |
|
* |
107 |
< |
* <li> All threads generated must be joined inside each test case |
107 |
> |
* <li>All threads generated must be joined inside each test case |
108 |
|
* method (or {@code fail} to do so) before returning from the |
109 |
|
* method. The {@code joinPool} method can be used to do this when |
110 |
< |
* using Executors.</li> |
110 |
> |
* using Executors. |
111 |
|
* |
112 |
|
* </ol> |
113 |
|
* |
114 |
|
* <p><b>Other notes</b> |
115 |
|
* <ul> |
116 |
|
* |
117 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
117 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
118 |
|
* covering "normal" operation, and then as many exception-testing |
119 |
|
* methods as there are exceptions the method can throw. Sometimes |
120 |
|
* there are multiple tests per JSR166 method when the different |
121 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
122 |
< |
* cover multiple methods when they cannot be tested in |
108 |
< |
* isolation.</li> |
122 |
> |
* cover multiple methods when they cannot be tested in isolation. |
123 |
|
* |
124 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
124 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
125 |
|
* a simple sentence or two describing the property that the testcase |
126 |
|
* method purports to test. The javadocs do not say anything about how |
127 |
< |
* the property is tested. To find out, read the code.</li> |
127 |
> |
* the property is tested. To find out, read the code. |
128 |
|
* |
129 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
129 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
130 |
|
* test throughput, latency, scalability or other performance factors |
131 |
|
* (see the separate "jtreg" tests for a set intended to check these |
132 |
|
* for the most central aspects of functionality.) So, most tests use |
133 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
134 |
< |
* needed to check basic conformance.</li> |
134 |
> |
* needed to check basic conformance. |
135 |
|
* |
136 |
|
* <li>The test classes currently do not declare inclusion in |
137 |
|
* any particular package to simplify things for people integrating |
138 |
< |
* them in TCK test suites.</li> |
138 |
> |
* them in TCK test suites. |
139 |
|
* |
140 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
141 |
< |
* runs all JSR166 unit tests.</li> |
140 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
141 |
> |
* runs all JSR166 unit tests. |
142 |
|
* |
143 |
|
* </ul> |
144 |
|
*/ |
182 |
|
private static final int suiteRuns = |
183 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
184 |
|
|
185 |
+ |
/** |
186 |
+ |
* The scaling factor to apply to standard delays used in tests. |
187 |
+ |
*/ |
188 |
+ |
private static final int delayFactor = |
189 |
+ |
Integer.getInteger("jsr166.delay.factor", 1); |
190 |
+ |
|
191 |
|
public JSR166TestCase() { super(); } |
192 |
|
public JSR166TestCase(String name) { super(name); } |
193 |
|
|
203 |
|
return (regex == null) ? null : Pattern.compile(regex); |
204 |
|
} |
205 |
|
|
206 |
< |
protected void runTest() throws Throwable { |
206 |
> |
// Instrumentation to debug very rare, but very annoying hung test runs. |
207 |
> |
static volatile TestCase currentTestCase; |
208 |
> |
// static volatile int currentRun = 0; |
209 |
> |
static { |
210 |
> |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
211 |
> |
// Avoid spurious reports with enormous runsPerTest. |
212 |
> |
// A single test case run should never take more than 1 second. |
213 |
> |
// But let's cap it at the high end too ... |
214 |
> |
final int timeoutMinutes = |
215 |
> |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
216 |
> |
for (TestCase lastTestCase = currentTestCase;;) { |
217 |
> |
try { MINUTES.sleep(timeoutMinutes); } |
218 |
> |
catch (InterruptedException unexpected) { break; } |
219 |
> |
if (lastTestCase == currentTestCase) { |
220 |
> |
System.err.printf( |
221 |
> |
"Looks like we're stuck running test: %s%n", |
222 |
> |
lastTestCase); |
223 |
> |
// System.err.printf( |
224 |
> |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
225 |
> |
// lastTestCase, currentRun, runsPerTest); |
226 |
> |
// System.err.println("availableProcessors=" + |
227 |
> |
// Runtime.getRuntime().availableProcessors()); |
228 |
> |
// System.err.printf("cpu model = %s%n", cpuModel()); |
229 |
> |
dumpTestThreads(); |
230 |
> |
// one stack dump is probably enough; more would be spam |
231 |
> |
break; |
232 |
> |
} |
233 |
> |
lastTestCase = currentTestCase; |
234 |
> |
}}}; |
235 |
> |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
236 |
> |
thread.setDaemon(true); |
237 |
> |
thread.start(); |
238 |
> |
} |
239 |
> |
|
240 |
> |
// public static String cpuModel() { |
241 |
> |
// try { |
242 |
> |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
243 |
> |
// .matcher(new String( |
244 |
> |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
245 |
> |
// matcher.find(); |
246 |
> |
// return matcher.group(1); |
247 |
> |
// } catch (Exception ex) { return null; } |
248 |
> |
// } |
249 |
> |
|
250 |
> |
public void runBare() throws Throwable { |
251 |
> |
currentTestCase = this; |
252 |
|
if (methodFilter == null |
253 |
< |
|| methodFilter.matcher(toString()).find()) { |
254 |
< |
for (int i = 0; i < runsPerTest; i++) { |
255 |
< |
if (profileTests) |
256 |
< |
runTestProfiled(); |
257 |
< |
else |
258 |
< |
super.runTest(); |
259 |
< |
} |
253 |
> |
|| methodFilter.matcher(toString()).find()) |
254 |
> |
super.runBare(); |
255 |
> |
} |
256 |
> |
|
257 |
> |
protected void runTest() throws Throwable { |
258 |
> |
for (int i = 0; i < runsPerTest; i++) { |
259 |
> |
// currentRun = i; |
260 |
> |
if (profileTests) |
261 |
> |
runTestProfiled(); |
262 |
> |
else |
263 |
> |
super.runTest(); |
264 |
|
} |
265 |
|
} |
266 |
|
|
267 |
|
protected void runTestProfiled() throws Throwable { |
268 |
< |
// Warmup run, notably to trigger all needed classloading. |
269 |
< |
super.runTest(); |
201 |
< |
long t0 = System.nanoTime(); |
202 |
< |
try { |
268 |
> |
for (int i = 0; i < 2; i++) { |
269 |
> |
long startTime = System.nanoTime(); |
270 |
|
super.runTest(); |
271 |
< |
} finally { |
272 |
< |
long elapsedMillis = millisElapsedSince(t0); |
273 |
< |
if (elapsedMillis >= profileThreshold) |
271 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
272 |
> |
if (elapsedMillis < profileThreshold) |
273 |
> |
break; |
274 |
> |
// Never report first run of any test; treat it as a |
275 |
> |
// warmup run, notably to trigger all needed classloading, |
276 |
> |
if (i > 0) |
277 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
278 |
|
} |
279 |
|
} |
285 |
|
main(suite(), args); |
286 |
|
} |
287 |
|
|
288 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
289 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
290 |
+ |
long runTime; |
291 |
+ |
public void startTest(Test test) {} |
292 |
+ |
protected void printHeader(long runTime) { |
293 |
+ |
this.runTime = runTime; // defer printing for later |
294 |
+ |
} |
295 |
+ |
protected void printFooter(TestResult result) { |
296 |
+ |
if (result.wasSuccessful()) { |
297 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
298 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
299 |
+ |
} else { |
300 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
301 |
+ |
super.printFooter(result); |
302 |
+ |
} |
303 |
+ |
} |
304 |
+ |
} |
305 |
+ |
|
306 |
+ |
/** |
307 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
308 |
+ |
* fluff, like printing a "." for each test case. |
309 |
+ |
*/ |
310 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
311 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
312 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
313 |
+ |
return runner; |
314 |
+ |
} |
315 |
+ |
|
316 |
|
/** |
317 |
|
* Runs all unit tests in the given test suite. |
318 |
|
* Actual behavior influenced by jsr166.* system properties. |
324 |
|
System.setSecurityManager(new SecurityManager()); |
325 |
|
} |
326 |
|
for (int i = 0; i < suiteRuns; i++) { |
327 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
327 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
328 |
|
if (!result.wasSuccessful()) |
329 |
|
System.exit(1); |
330 |
|
System.gc(); |
380 |
|
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
381 |
|
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
382 |
|
public static boolean atLeastJava9() { |
383 |
< |
// As of 2015-09, java9 still uses 52.0 class file version |
384 |
< |
return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
383 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
384 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
385 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
386 |
|
} |
288 |
– |
// public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
387 |
|
public static boolean atLeastJava10() { |
388 |
< |
return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
388 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
389 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
390 |
|
} |
391 |
|
|
392 |
|
/** |
475 |
|
"LongAdderTest", |
476 |
|
"SplittableRandomTest", |
477 |
|
"StampedLockTest", |
478 |
+ |
"SubmissionPublisherTest", |
479 |
|
"ThreadLocalRandom8Test", |
480 |
|
}; |
481 |
|
addNamedTestClasses(suite, java8TestClassNames); |
484 |
|
// Java9+ test classes |
485 |
|
if (atLeastJava9()) { |
486 |
|
String[] java9TestClassNames = { |
487 |
< |
"ThreadPoolExecutor9Test", |
487 |
> |
// Currently empty, but expecting varhandle tests |
488 |
|
}; |
489 |
|
addNamedTestClasses(suite, java9TestClassNames); |
490 |
|
} |
551 |
|
} else { |
552 |
|
return new TestSuite(); |
553 |
|
} |
454 |
– |
|
554 |
|
} |
555 |
|
|
556 |
|
// Delays for timing-dependent tests, in milliseconds. |
561 |
|
public static long LONG_DELAY_MS; |
562 |
|
|
563 |
|
/** |
564 |
< |
* Returns the shortest timed delay. This could |
565 |
< |
* be reimplemented to use for example a Property. |
564 |
> |
* Returns the shortest timed delay. This can be scaled up for |
565 |
> |
* slow machines using the jsr166.delay.factor system property. |
566 |
|
*/ |
567 |
|
protected long getShortDelay() { |
568 |
< |
return 50; |
568 |
> |
return 50 * delayFactor; |
569 |
|
} |
570 |
|
|
571 |
|
/** |
608 |
|
* the same test have no effect. |
609 |
|
*/ |
610 |
|
public void threadRecordFailure(Throwable t) { |
611 |
+ |
System.err.println(t); |
612 |
+ |
dumpTestThreads(); |
613 |
|
threadFailure.compareAndSet(null, t); |
614 |
|
} |
615 |
|
|
617 |
|
setDelays(); |
618 |
|
} |
619 |
|
|
620 |
+ |
void tearDownFail(String format, Object... args) { |
621 |
+ |
String msg = toString() + ": " + String.format(format, args); |
622 |
+ |
System.err.println(msg); |
623 |
+ |
dumpTestThreads(); |
624 |
+ |
throw new AssertionFailedError(msg); |
625 |
+ |
} |
626 |
+ |
|
627 |
|
/** |
628 |
|
* Extra checks that get done for all test cases. |
629 |
|
* |
651 |
|
} |
652 |
|
|
653 |
|
if (Thread.interrupted()) |
654 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
654 |
> |
tearDownFail("interrupt status set in main thread"); |
655 |
|
|
656 |
|
checkForkJoinPoolThreadLeaks(); |
657 |
|
} |
658 |
|
|
659 |
|
/** |
660 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
660 |
> |
* Finds missing PoolCleaners |
661 |
|
*/ |
662 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
663 |
< |
Thread[] survivors = new Thread[5]; |
663 |
> |
Thread[] survivors = new Thread[7]; |
664 |
|
int count = Thread.enumerate(survivors); |
665 |
|
for (int i = 0; i < count; i++) { |
666 |
|
Thread thread = survivors[i]; |
668 |
|
if (name.startsWith("ForkJoinPool-")) { |
669 |
|
// give thread some time to terminate |
670 |
|
thread.join(LONG_DELAY_MS); |
671 |
< |
if (!thread.isAlive()) continue; |
672 |
< |
throw new AssertionFailedError |
673 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
566 |
< |
toString(), name)); |
671 |
> |
if (thread.isAlive()) |
672 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
673 |
> |
thread); |
674 |
|
} |
675 |
|
} |
676 |
+ |
|
677 |
+ |
if (!ForkJoinPool.commonPool() |
678 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
679 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
680 |
|
} |
681 |
|
|
682 |
|
/** |
689 |
|
fail(reason); |
690 |
|
} catch (AssertionFailedError t) { |
691 |
|
threadRecordFailure(t); |
692 |
< |
fail(reason); |
692 |
> |
throw t; |
693 |
|
} |
694 |
|
} |
695 |
|
|
816 |
|
/** |
817 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
818 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
819 |
< |
* until time elapses. |
819 |
> |
* until time elapses. Ensures that the given time, as measured |
820 |
> |
* by System.nanoTime(), has elapsed. |
821 |
|
*/ |
822 |
|
static void delay(long millis) throws InterruptedException { |
823 |
< |
long startTime = System.nanoTime(); |
824 |
< |
long ns = millis * 1000 * 1000; |
825 |
< |
for (;;) { |
823 |
> |
long nanos = millis * (1000 * 1000); |
824 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
825 |
> |
do { |
826 |
|
if (millis > 0L) |
827 |
|
Thread.sleep(millis); |
828 |
|
else // too short to sleep |
829 |
|
Thread.yield(); |
830 |
< |
long d = ns - (System.nanoTime() - startTime); |
831 |
< |
if (d > 0L) |
832 |
< |
millis = d / (1000 * 1000); |
833 |
< |
else |
834 |
< |
break; |
830 |
> |
nanos = wakeupTime - System.nanoTime(); |
831 |
> |
millis = nanos / (1000 * 1000); |
832 |
> |
} while (nanos >= 0L); |
833 |
> |
} |
834 |
> |
|
835 |
> |
/** |
836 |
> |
* Allows use of try-with-resources with per-test thread pools. |
837 |
> |
*/ |
838 |
> |
class PoolCleaner implements AutoCloseable { |
839 |
> |
private final ExecutorService pool; |
840 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
841 |
> |
public void close() { joinPool(pool); } |
842 |
> |
} |
843 |
> |
|
844 |
> |
/** |
845 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
846 |
> |
*/ |
847 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
848 |
> |
private final Runnable releaser; |
849 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
850 |
> |
super(pool); |
851 |
> |
this.releaser = releaser; |
852 |
> |
} |
853 |
> |
public void close() { |
854 |
> |
try { |
855 |
> |
releaser.run(); |
856 |
> |
} finally { |
857 |
> |
super.close(); |
858 |
> |
} |
859 |
|
} |
860 |
|
} |
861 |
|
|
862 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
863 |
+ |
return new PoolCleaner(pool); |
864 |
+ |
} |
865 |
+ |
|
866 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
867 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
868 |
+ |
} |
869 |
+ |
|
870 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
871 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
872 |
+ |
} |
873 |
+ |
|
874 |
+ |
Runnable releaser(final CountDownLatch latch) { |
875 |
+ |
return new Runnable() { public void run() { |
876 |
+ |
do { latch.countDown(); } |
877 |
+ |
while (latch.getCount() > 0); |
878 |
+ |
}}; |
879 |
+ |
} |
880 |
+ |
|
881 |
|
/** |
882 |
|
* Waits out termination of a thread pool or fails doing so. |
883 |
|
*/ |
884 |
< |
void joinPool(ExecutorService exec) { |
884 |
> |
void joinPool(ExecutorService pool) { |
885 |
|
try { |
886 |
< |
exec.shutdown(); |
887 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
888 |
< |
fail("ExecutorService " + exec + |
889 |
< |
" did not terminate in a timely manner"); |
886 |
> |
pool.shutdown(); |
887 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
888 |
> |
try { |
889 |
> |
threadFail("ExecutorService " + pool + |
890 |
> |
" did not terminate in a timely manner"); |
891 |
> |
} finally { |
892 |
> |
// last resort, for the benefit of subsequent tests |
893 |
> |
pool.shutdownNow(); |
894 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
895 |
> |
} |
896 |
> |
} |
897 |
|
} catch (SecurityException ok) { |
898 |
|
// Allowed in case test doesn't have privs |
899 |
|
} catch (InterruptedException fail) { |
900 |
< |
fail("Unexpected InterruptedException"); |
900 |
> |
threadFail("Unexpected InterruptedException"); |
901 |
|
} |
902 |
|
} |
903 |
|
|
904 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
905 |
+ |
interface Action { public void run() throws Throwable; } |
906 |
+ |
|
907 |
|
/** |
908 |
< |
* A debugging tool to print all stack traces, as jstack does. |
908 |
> |
* Runs all the given actions in parallel, failing if any fail. |
909 |
> |
* Useful for running multiple variants of tests that are |
910 |
> |
* necessarily individually slow because they must block. |
911 |
|
*/ |
912 |
< |
static void printAllStackTraces() { |
913 |
< |
for (ThreadInfo info : |
914 |
< |
ManagementFactory.getThreadMXBean() |
915 |
< |
.dumpAllThreads(true, true)) |
912 |
> |
void testInParallel(Action ... actions) { |
913 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
914 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
915 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
916 |
> |
for (final Action action : actions) |
917 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
918 |
> |
public void realRun() throws Throwable { action.run();}})); |
919 |
> |
for (Future<?> future : futures) |
920 |
> |
try { |
921 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
922 |
> |
} catch (ExecutionException ex) { |
923 |
> |
threadUnexpectedException(ex.getCause()); |
924 |
> |
} catch (Exception ex) { |
925 |
> |
threadUnexpectedException(ex); |
926 |
> |
} |
927 |
> |
} |
928 |
> |
} |
929 |
> |
|
930 |
> |
/** |
931 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
932 |
> |
* Uninteresting threads are filtered out. |
933 |
> |
*/ |
934 |
> |
static void dumpTestThreads() { |
935 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
936 |
> |
System.err.println("------ stacktrace dump start ------"); |
937 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
938 |
> |
String name = info.getThreadName(); |
939 |
> |
if ("Signal Dispatcher".equals(name)) |
940 |
> |
continue; |
941 |
> |
if ("Reference Handler".equals(name) |
942 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
943 |
> |
continue; |
944 |
> |
if ("Finalizer".equals(name) |
945 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
946 |
> |
continue; |
947 |
> |
if ("checkForWedgedTest".equals(name)) |
948 |
> |
continue; |
949 |
|
System.err.print(info); |
950 |
+ |
} |
951 |
+ |
System.err.println("------ stacktrace dump end ------"); |
952 |
|
} |
953 |
|
|
954 |
|
/** |
968 |
|
delay(millis); |
969 |
|
assertTrue(thread.isAlive()); |
970 |
|
} catch (InterruptedException fail) { |
971 |
< |
fail("Unexpected InterruptedException"); |
971 |
> |
threadFail("Unexpected InterruptedException"); |
972 |
|
} |
973 |
|
} |
974 |
|
|
990 |
|
for (Thread thread : threads) |
991 |
|
assertTrue(thread.isAlive()); |
992 |
|
} catch (InterruptedException fail) { |
993 |
< |
fail("Unexpected InterruptedException"); |
993 |
> |
threadFail("Unexpected InterruptedException"); |
994 |
|
} |
995 |
|
} |
996 |
|
|
1268 |
|
} finally { |
1269 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1270 |
|
t.interrupt(); |
1271 |
< |
fail("Test timed out"); |
1271 |
> |
threadFail("timed out waiting for thread to terminate"); |
1272 |
|
} |
1273 |
|
} |
1274 |
|
} |
1393 |
|
public static final String TEST_STRING = "a test string"; |
1394 |
|
|
1395 |
|
public static class StringTask implements Callable<String> { |
1396 |
< |
public String call() { return TEST_STRING; } |
1396 |
> |
final String value; |
1397 |
> |
public StringTask() { this(TEST_STRING); } |
1398 |
> |
public StringTask(String value) { this.value = value; } |
1399 |
> |
public String call() { return value; } |
1400 |
|
} |
1401 |
|
|
1402 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1409 |
|
}}; |
1410 |
|
} |
1411 |
|
|
1412 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1412 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1413 |
|
return new CheckedRunnable() { |
1414 |
|
public void realRun() throws InterruptedException { |
1415 |
< |
await(latch); |
1415 |
> |
latch.countDown(); |
1416 |
|
}}; |
1417 |
|
} |
1418 |
|
|
1419 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1420 |
+ |
static final int NEW = 0; |
1421 |
+ |
static final int RUNNING = 1; |
1422 |
+ |
static final int DONE = 2; |
1423 |
+ |
final CountDownLatch latch; |
1424 |
+ |
int state = NEW; |
1425 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1426 |
+ |
public void realRun() throws InterruptedException { |
1427 |
+ |
state = 1; |
1428 |
+ |
await(latch); |
1429 |
+ |
state = 2; |
1430 |
+ |
} |
1431 |
+ |
} |
1432 |
+ |
|
1433 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1434 |
+ |
return new LatchAwaiter(latch); |
1435 |
+ |
} |
1436 |
+ |
|
1437 |
|
public void await(CountDownLatch latch) { |
1438 |
|
try { |
1439 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1439 |
> |
if (!latch.await(LONG_DELAY_MS, MILLISECONDS)) |
1440 |
> |
fail("timed out waiting for CountDownLatch for " |
1441 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1442 |
|
} catch (Throwable fail) { |
1443 |
|
threadUnexpectedException(fail); |
1444 |
|
} |
1446 |
|
|
1447 |
|
public void await(Semaphore semaphore) { |
1448 |
|
try { |
1449 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1449 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1450 |
> |
fail("timed out waiting for Semaphore for " |
1451 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1452 |
|
} catch (Throwable fail) { |
1453 |
|
threadUnexpectedException(fail); |
1454 |
|
} |