| 15 |
|
import java.io.ObjectOutputStream; |
| 16 |
|
import java.lang.management.ManagementFactory; |
| 17 |
|
import java.lang.management.ThreadInfo; |
| 18 |
+ |
import java.lang.management.ThreadMXBean; |
| 19 |
+ |
import java.lang.reflect.Constructor; |
| 20 |
|
import java.lang.reflect.Method; |
| 21 |
+ |
import java.lang.reflect.Modifier; |
| 22 |
|
import java.security.CodeSource; |
| 23 |
|
import java.security.Permission; |
| 24 |
|
import java.security.PermissionCollection; |
| 38 |
|
import java.util.concurrent.Callable; |
| 39 |
|
import java.util.concurrent.CountDownLatch; |
| 40 |
|
import java.util.concurrent.CyclicBarrier; |
| 41 |
+ |
import java.util.concurrent.ExecutionException; |
| 42 |
+ |
import java.util.concurrent.Executors; |
| 43 |
|
import java.util.concurrent.ExecutorService; |
| 44 |
+ |
import java.util.concurrent.ForkJoinPool; |
| 45 |
|
import java.util.concurrent.Future; |
| 46 |
|
import java.util.concurrent.RecursiveAction; |
| 47 |
|
import java.util.concurrent.RecursiveTask; |
| 56 |
|
import junit.framework.AssertionFailedError; |
| 57 |
|
import junit.framework.Test; |
| 58 |
|
import junit.framework.TestCase; |
| 59 |
+ |
import junit.framework.TestResult; |
| 60 |
|
import junit.framework.TestSuite; |
| 61 |
|
|
| 62 |
|
/** |
| 69 |
|
* |
| 70 |
|
* <ol> |
| 71 |
|
* |
| 72 |
< |
* <li> All assertions in code running in generated threads must use |
| 72 |
> |
* <li>All assertions in code running in generated threads must use |
| 73 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
| 74 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
| 75 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
| 76 |
|
* particularly recommended) for other code to use these forms too. |
| 77 |
|
* Only the most typically used JUnit assertion methods are defined |
| 78 |
< |
* this way, but enough to live with.</li> |
| 78 |
> |
* this way, but enough to live with. |
| 79 |
|
* |
| 80 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
| 80 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
| 81 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
| 82 |
|
* them. These methods are used to clear and check for thread |
| 83 |
< |
* assertion failures.</li> |
| 83 |
> |
* assertion failures. |
| 84 |
|
* |
| 85 |
|
* <li>All delays and timeouts must use one of the constants {@code |
| 86 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
| 91 |
|
* is always discriminable as larger than SHORT and smaller than |
| 92 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
| 93 |
|
* but even so, if there is ever any doubt, they can all be increased |
| 94 |
< |
* in one spot to rerun tests on slower platforms.</li> |
| 94 |
> |
* in one spot to rerun tests on slower platforms. |
| 95 |
|
* |
| 96 |
< |
* <li> All threads generated must be joined inside each test case |
| 96 |
> |
* <li>All threads generated must be joined inside each test case |
| 97 |
|
* method (or {@code fail} to do so) before returning from the |
| 98 |
|
* method. The {@code joinPool} method can be used to do this when |
| 99 |
< |
* using Executors.</li> |
| 99 |
> |
* using Executors. |
| 100 |
|
* |
| 101 |
|
* </ol> |
| 102 |
|
* |
| 103 |
|
* <p><b>Other notes</b> |
| 104 |
|
* <ul> |
| 105 |
|
* |
| 106 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
| 106 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
| 107 |
|
* covering "normal" operation, and then as many exception-testing |
| 108 |
|
* methods as there are exceptions the method can throw. Sometimes |
| 109 |
|
* there are multiple tests per JSR166 method when the different |
| 110 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
| 111 |
|
* cover multiple methods when they cannot be tested in |
| 112 |
< |
* isolation.</li> |
| 112 |
> |
* isolation. |
| 113 |
|
* |
| 114 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
| 114 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
| 115 |
|
* a simple sentence or two describing the property that the testcase |
| 116 |
|
* method purports to test. The javadocs do not say anything about how |
| 117 |
< |
* the property is tested. To find out, read the code.</li> |
| 117 |
> |
* the property is tested. To find out, read the code. |
| 118 |
|
* |
| 119 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
| 119 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
| 120 |
|
* test throughput, latency, scalability or other performance factors |
| 121 |
|
* (see the separate "jtreg" tests for a set intended to check these |
| 122 |
|
* for the most central aspects of functionality.) So, most tests use |
| 123 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
| 124 |
< |
* needed to check basic conformance.</li> |
| 124 |
> |
* needed to check basic conformance. |
| 125 |
|
* |
| 126 |
|
* <li>The test classes currently do not declare inclusion in |
| 127 |
|
* any particular package to simplify things for people integrating |
| 128 |
< |
* them in TCK test suites.</li> |
| 128 |
> |
* them in TCK test suites. |
| 129 |
|
* |
| 130 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
| 131 |
< |
* runs all JSR166 unit tests.</li> |
| 130 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
| 131 |
> |
* runs all JSR166 unit tests. |
| 132 |
|
* |
| 133 |
|
* </ul> |
| 134 |
|
*/ |
| 167 |
|
Integer.getInteger("jsr166.runsPerTest", 1); |
| 168 |
|
|
| 169 |
|
/** |
| 170 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
| 171 |
+ |
*/ |
| 172 |
+ |
private static final int suiteRuns = |
| 173 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
| 174 |
+ |
|
| 175 |
+ |
public JSR166TestCase() { super(); } |
| 176 |
+ |
public JSR166TestCase(String name) { super(name); } |
| 177 |
+ |
|
| 178 |
+ |
/** |
| 179 |
|
* A filter for tests to run, matching strings of the form |
| 180 |
|
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
| 181 |
|
* Usefully combined with jsr166.runsPerTest. |
| 187 |
|
return (regex == null) ? null : Pattern.compile(regex); |
| 188 |
|
} |
| 189 |
|
|
| 190 |
< |
protected void runTest() throws Throwable { |
| 190 |
> |
public void runBare() throws Throwable { |
| 191 |
|
if (methodFilter == null |
| 192 |
< |
|| methodFilter.matcher(toString()).find()) { |
| 193 |
< |
for (int i = 0; i < runsPerTest; i++) { |
| 194 |
< |
if (profileTests) |
| 195 |
< |
runTestProfiled(); |
| 196 |
< |
else |
| 197 |
< |
super.runTest(); |
| 198 |
< |
} |
| 192 |
> |
|| methodFilter.matcher(toString()).find()) |
| 193 |
> |
super.runBare(); |
| 194 |
> |
} |
| 195 |
> |
|
| 196 |
> |
protected void runTest() throws Throwable { |
| 197 |
> |
for (int i = 0; i < runsPerTest; i++) { |
| 198 |
> |
if (profileTests) |
| 199 |
> |
runTestProfiled(); |
| 200 |
> |
else |
| 201 |
> |
super.runTest(); |
| 202 |
|
} |
| 203 |
|
} |
| 204 |
|
|
| 205 |
|
protected void runTestProfiled() throws Throwable { |
| 206 |
< |
// Warmup run, notably to trigger all needed classloading. |
| 207 |
< |
super.runTest(); |
| 189 |
< |
long t0 = System.nanoTime(); |
| 190 |
< |
try { |
| 206 |
> |
for (int i = 0; i < 2; i++) { |
| 207 |
> |
long startTime = System.nanoTime(); |
| 208 |
|
super.runTest(); |
| 209 |
< |
} finally { |
| 210 |
< |
long elapsedMillis = millisElapsedSince(t0); |
| 211 |
< |
if (elapsedMillis >= profileThreshold) |
| 209 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
| 210 |
> |
if (elapsedMillis < profileThreshold) |
| 211 |
> |
break; |
| 212 |
> |
// Never report first run of any test; treat it as a |
| 213 |
> |
// warmup run, notably to trigger all needed classloading, |
| 214 |
> |
if (i > 0) |
| 215 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
| 216 |
|
} |
| 217 |
|
} |
| 218 |
|
|
| 219 |
|
/** |
| 220 |
|
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
| 201 |
– |
* Optional command line arg provides the number of iterations to |
| 202 |
– |
* repeat running the tests. |
| 221 |
|
*/ |
| 222 |
|
public static void main(String[] args) { |
| 223 |
+ |
main(suite(), args); |
| 224 |
+ |
} |
| 225 |
+ |
|
| 226 |
+ |
/** |
| 227 |
+ |
* Runs all unit tests in the given test suite. |
| 228 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
| 229 |
+ |
*/ |
| 230 |
+ |
static void main(Test suite, String[] args) { |
| 231 |
|
if (useSecurityManager) { |
| 232 |
|
System.err.println("Setting a permissive security manager"); |
| 233 |
|
Policy.setPolicy(permissivePolicy()); |
| 234 |
|
System.setSecurityManager(new SecurityManager()); |
| 235 |
|
} |
| 236 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
| 237 |
< |
|
| 238 |
< |
Test s = suite(); |
| 239 |
< |
for (int i = 0; i < iters; ++i) { |
| 214 |
< |
junit.textui.TestRunner.run(s); |
| 236 |
> |
for (int i = 0; i < suiteRuns; i++) { |
| 237 |
> |
TestResult result = junit.textui.TestRunner.run(suite); |
| 238 |
> |
if (!result.wasSuccessful()) |
| 239 |
> |
System.exit(1); |
| 240 |
|
System.gc(); |
| 241 |
|
System.runFinalization(); |
| 242 |
|
} |
| 218 |
– |
System.exit(0); |
| 243 |
|
} |
| 244 |
|
|
| 245 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
| 289 |
|
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
| 290 |
|
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
| 291 |
|
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
| 292 |
< |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
| 292 |
> |
public static boolean atLeastJava9() { |
| 293 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
| 294 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
| 295 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
| 296 |
> |
} |
| 297 |
> |
public static boolean atLeastJava10() { |
| 298 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
| 299 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
| 300 |
> |
} |
| 301 |
|
|
| 302 |
|
/** |
| 303 |
|
* Collects all JSR166 unit tests as one suite. |
| 385 |
|
"LongAdderTest", |
| 386 |
|
"SplittableRandomTest", |
| 387 |
|
"StampedLockTest", |
| 388 |
+ |
"SubmissionPublisherTest", |
| 389 |
|
"ThreadLocalRandom8Test", |
| 390 |
|
}; |
| 391 |
|
addNamedTestClasses(suite, java8TestClassNames); |
| 394 |
|
// Java9+ test classes |
| 395 |
|
if (atLeastJava9()) { |
| 396 |
|
String[] java9TestClassNames = { |
| 397 |
< |
"ThreadPoolExecutor9Test", |
| 397 |
> |
// Currently empty, but expecting varhandle tests |
| 398 |
|
}; |
| 399 |
|
addNamedTestClasses(suite, java9TestClassNames); |
| 400 |
|
} |
| 402 |
|
return suite; |
| 403 |
|
} |
| 404 |
|
|
| 405 |
+ |
/** Returns list of junit-style test method names in given class. */ |
| 406 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
| 407 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
| 408 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
| 409 |
+ |
for (Method method : methods) { |
| 410 |
+ |
if (method.getName().startsWith("test") |
| 411 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
| 412 |
+ |
// method.getParameterCount() requires jdk8+ |
| 413 |
+ |
&& method.getParameterTypes().length == 0) { |
| 414 |
+ |
names.add(method.getName()); |
| 415 |
+ |
} |
| 416 |
+ |
} |
| 417 |
+ |
return names; |
| 418 |
+ |
} |
| 419 |
+ |
|
| 420 |
+ |
/** |
| 421 |
+ |
* Returns junit-style testSuite for the given test class, but |
| 422 |
+ |
* parameterized by passing extra data to each test. |
| 423 |
+ |
*/ |
| 424 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
| 425 |
+ |
(Class<? extends JSR166TestCase> testClass, |
| 426 |
+ |
Class<ExtraData> dataClass, |
| 427 |
+ |
ExtraData data) { |
| 428 |
+ |
try { |
| 429 |
+ |
TestSuite suite = new TestSuite(); |
| 430 |
+ |
Constructor c = |
| 431 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
| 432 |
+ |
for (String methodName : testMethodNames(testClass)) |
| 433 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
| 434 |
+ |
return suite; |
| 435 |
+ |
} catch (Exception e) { |
| 436 |
+ |
throw new Error(e); |
| 437 |
+ |
} |
| 438 |
+ |
} |
| 439 |
+ |
|
| 440 |
+ |
/** |
| 441 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
| 442 |
+ |
* given test class, but parameterized by passing extra data to |
| 443 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
| 444 |
+ |
*/ |
| 445 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
| 446 |
+ |
(Class<? extends JSR166TestCase> testClass, |
| 447 |
+ |
Class<ExtraData> dataClass, |
| 448 |
+ |
ExtraData data) { |
| 449 |
+ |
if (atLeastJava8()) { |
| 450 |
+ |
String name = testClass.getName(); |
| 451 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
| 452 |
+ |
if (name.equals(name8)) throw new Error(name); |
| 453 |
+ |
try { |
| 454 |
+ |
return (Test) |
| 455 |
+ |
Class.forName(name8) |
| 456 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
| 457 |
+ |
.invoke(null, data); |
| 458 |
+ |
} catch (Exception e) { |
| 459 |
+ |
throw new Error(e); |
| 460 |
+ |
} |
| 461 |
+ |
} else { |
| 462 |
+ |
return new TestSuite(); |
| 463 |
+ |
} |
| 464 |
+ |
|
| 465 |
+ |
} |
| 466 |
+ |
|
| 467 |
|
// Delays for timing-dependent tests, in milliseconds. |
| 468 |
|
|
| 469 |
|
public static long SHORT_DELAY_MS; |
| 498 |
|
} |
| 499 |
|
|
| 500 |
|
/** |
| 501 |
< |
* Returns a new Date instance representing a time delayMillis |
| 502 |
< |
* milliseconds in the future. |
| 501 |
> |
* Returns a new Date instance representing a time at least |
| 502 |
> |
* delayMillis milliseconds in the future. |
| 503 |
|
*/ |
| 504 |
|
Date delayedDate(long delayMillis) { |
| 505 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
| 505 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
| 506 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
| 507 |
|
} |
| 508 |
|
|
| 509 |
|
/** |
| 519 |
|
* the same test have no effect. |
| 520 |
|
*/ |
| 521 |
|
public void threadRecordFailure(Throwable t) { |
| 522 |
+ |
threadDump(); |
| 523 |
|
threadFailure.compareAndSet(null, t); |
| 524 |
|
} |
| 525 |
|
|
| 527 |
|
setDelays(); |
| 528 |
|
} |
| 529 |
|
|
| 530 |
+ |
void tearDownFail(String format, Object... args) { |
| 531 |
+ |
String msg = toString() + ": " + String.format(format, args); |
| 532 |
+ |
System.err.println(msg); |
| 533 |
+ |
threadDump(); |
| 534 |
+ |
throw new AssertionFailedError(msg); |
| 535 |
+ |
} |
| 536 |
+ |
|
| 537 |
|
/** |
| 538 |
|
* Extra checks that get done for all test cases. |
| 539 |
|
* |
| 561 |
|
} |
| 562 |
|
|
| 563 |
|
if (Thread.interrupted()) |
| 564 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
| 564 |
> |
tearDownFail("interrupt status set in main thread"); |
| 565 |
|
|
| 566 |
|
checkForkJoinPoolThreadLeaks(); |
| 567 |
|
} |
| 570 |
|
* Finds missing try { ... } finally { joinPool(e); } |
| 571 |
|
*/ |
| 572 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
| 573 |
< |
Thread[] survivors = new Thread[5]; |
| 573 |
> |
Thread[] survivors = new Thread[7]; |
| 574 |
|
int count = Thread.enumerate(survivors); |
| 575 |
|
for (int i = 0; i < count; i++) { |
| 576 |
|
Thread thread = survivors[i]; |
| 578 |
|
if (name.startsWith("ForkJoinPool-")) { |
| 579 |
|
// give thread some time to terminate |
| 580 |
|
thread.join(LONG_DELAY_MS); |
| 581 |
< |
if (!thread.isAlive()) continue; |
| 582 |
< |
thread.stop(); |
| 583 |
< |
throw new AssertionFailedError |
| 480 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
| 481 |
< |
toString(), name)); |
| 581 |
> |
if (thread.isAlive()) |
| 582 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
| 583 |
> |
thread); |
| 584 |
|
} |
| 585 |
|
} |
| 586 |
+ |
|
| 587 |
+ |
if (!ForkJoinPool.commonPool() |
| 588 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
| 589 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
| 590 |
|
} |
| 591 |
|
|
| 592 |
|
/** |
| 599 |
|
fail(reason); |
| 600 |
|
} catch (AssertionFailedError t) { |
| 601 |
|
threadRecordFailure(t); |
| 602 |
< |
fail(reason); |
| 602 |
> |
throw t; |
| 603 |
|
} |
| 604 |
|
} |
| 605 |
|
|
| 745 |
|
} |
| 746 |
|
|
| 747 |
|
/** |
| 748 |
+ |
* Allows use of try-with-resources with per-test thread pools. |
| 749 |
+ |
*/ |
| 750 |
+ |
static class PoolCloser<T extends ExecutorService> |
| 751 |
+ |
implements AutoCloseable { |
| 752 |
+ |
public final T pool; |
| 753 |
+ |
public PoolCloser(T pool) { this.pool = pool; } |
| 754 |
+ |
public void close() { joinPool(pool); } |
| 755 |
+ |
} |
| 756 |
+ |
|
| 757 |
+ |
/** |
| 758 |
|
* Waits out termination of a thread pool or fails doing so. |
| 759 |
|
*/ |
| 760 |
< |
void joinPool(ExecutorService exec) { |
| 760 |
> |
static void joinPool(ExecutorService pool) { |
| 761 |
|
try { |
| 762 |
< |
exec.shutdown(); |
| 763 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
| 764 |
< |
fail("ExecutorService " + exec + |
| 762 |
> |
pool.shutdown(); |
| 763 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
| 764 |
> |
fail("ExecutorService " + pool + |
| 765 |
|
" did not terminate in a timely manner"); |
| 766 |
|
} catch (SecurityException ok) { |
| 767 |
|
// Allowed in case test doesn't have privs |
| 770 |
|
} |
| 771 |
|
} |
| 772 |
|
|
| 773 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
| 774 |
+ |
interface Action { public void run() throws Throwable; } |
| 775 |
+ |
|
| 776 |
+ |
/** |
| 777 |
+ |
* Runs all the given actions in parallel, failing if any fail. |
| 778 |
+ |
* Useful for running multiple variants of tests that are |
| 779 |
+ |
* necessarily individually slow because they must block. |
| 780 |
+ |
*/ |
| 781 |
+ |
void testInParallel(Action ... actions) { |
| 782 |
+ |
try (PoolCloser<ExecutorService> poolCloser |
| 783 |
+ |
= new PoolCloser<>(Executors.newCachedThreadPool())) { |
| 784 |
+ |
ExecutorService pool = poolCloser.pool; |
| 785 |
+ |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
| 786 |
+ |
for (final Action action : actions) |
| 787 |
+ |
futures.add(pool.submit(new CheckedRunnable() { |
| 788 |
+ |
public void realRun() throws Throwable { action.run();}})); |
| 789 |
+ |
for (Future<?> future : futures) |
| 790 |
+ |
try { |
| 791 |
+ |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
| 792 |
+ |
} catch (ExecutionException ex) { |
| 793 |
+ |
threadUnexpectedException(ex.getCause()); |
| 794 |
+ |
} catch (Exception ex) { |
| 795 |
+ |
threadUnexpectedException(ex); |
| 796 |
+ |
} |
| 797 |
+ |
} |
| 798 |
+ |
} |
| 799 |
+ |
|
| 800 |
|
/** |
| 801 |
|
* A debugging tool to print all stack traces, as jstack does. |
| 802 |
+ |
* Uninteresting threads are filtered out. |
| 803 |
|
*/ |
| 804 |
< |
static void printAllStackTraces() { |
| 805 |
< |
for (ThreadInfo info : |
| 806 |
< |
ManagementFactory.getThreadMXBean() |
| 807 |
< |
.dumpAllThreads(true, true)) |
| 804 |
> |
static void threadDump() { |
| 805 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
| 806 |
> |
System.err.println("------ stacktrace dump start ------"); |
| 807 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
| 808 |
> |
String name = info.getThreadName(); |
| 809 |
> |
if ("Signal Dispatcher".equals(name)) |
| 810 |
> |
continue; |
| 811 |
> |
if ("Reference Handler".equals(name) |
| 812 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
| 813 |
> |
continue; |
| 814 |
> |
if ("Finalizer".equals(name) |
| 815 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
| 816 |
> |
continue; |
| 817 |
|
System.err.print(info); |
| 818 |
+ |
} |
| 819 |
+ |
System.err.println("------ stacktrace dump end ------"); |
| 820 |
|
} |
| 821 |
|
|
| 822 |
|
/** |
| 1261 |
|
public static final String TEST_STRING = "a test string"; |
| 1262 |
|
|
| 1263 |
|
public static class StringTask implements Callable<String> { |
| 1264 |
< |
public String call() { return TEST_STRING; } |
| 1264 |
> |
final String value; |
| 1265 |
> |
public StringTask() { this(TEST_STRING); } |
| 1266 |
> |
public StringTask(String value) { this.value = value; } |
| 1267 |
> |
public String call() { return value; } |
| 1268 |
|
} |
| 1269 |
|
|
| 1270 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
| 1277 |
|
}}; |
| 1278 |
|
} |
| 1279 |
|
|
| 1280 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
| 1281 |
+ |
return new CheckedRunnable() { |
| 1282 |
+ |
public void realRun() throws InterruptedException { |
| 1283 |
+ |
latch.countDown(); |
| 1284 |
+ |
}}; |
| 1285 |
+ |
} |
| 1286 |
+ |
|
| 1287 |
|
public Runnable awaiter(final CountDownLatch latch) { |
| 1288 |
|
return new CheckedRunnable() { |
| 1289 |
|
public void realRun() throws InterruptedException { |
