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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
2 |
> |
* Written by Doug Lea and Martin Buchholz with assistance from |
3 |
> |
* members of JCP JSR-166 Expert Group and released to the public |
4 |
> |
* domain, as explained at |
5 |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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/* |
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* @test |
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* @summary JSR-166 tck tests, in a number of variations. |
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* The first is the conformance testing variant, |
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* while others also test implementation details. |
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* @build * |
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* @modules java.management |
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* @run junit/othervm/timeout=1000 JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 |
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* -Djava.util.secureRandomSeed=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000/policy=tck.policy |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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*/ |
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|
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
44 |
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import static java.util.concurrent.TimeUnit.MINUTES; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
46 |
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|
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import java.io.ByteArrayInputStream; |
63 |
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import java.security.SecurityPermission; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
66 |
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import java.util.Collection; |
67 |
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import java.util.Collections; |
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import java.util.Date; |
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import java.util.Enumeration; |
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import java.util.Iterator; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executor; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.FutureTask; |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.Semaphore; |
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import java.util.concurrent.ScheduledExecutorService; |
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import java.util.concurrent.ScheduledFuture; |
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import java.util.concurrent.SynchronousQueue; |
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import java.util.concurrent.ThreadFactory; |
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import java.util.concurrent.ThreadLocalRandom; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicBoolean; |
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import java.util.concurrent.atomic.AtomicReference; |
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import java.util.regex.Pattern; |
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|
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import junit.framework.AssertionFailedError; |
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import junit.framework.Test; |
103 |
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import junit.framework.TestCase; |
104 |
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import junit.framework.TestResult; |
153 |
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* methods as there are exceptions the method can throw. Sometimes |
154 |
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* there are multiple tests per JSR166 method when the different |
155 |
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* "normal" behaviors differ significantly. And sometimes testcases |
156 |
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* cover multiple methods when they cannot be tested in |
112 |
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* isolation. |
156 |
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* cover multiple methods when they cannot be tested in isolation. |
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* |
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* <li>The documentation style for testcases is to provide as javadoc |
159 |
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* a simple sentence or two describing the property that the testcase |
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private static final int suiteRuns = |
217 |
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Integer.getInteger("jsr166.suiteRuns", 1); |
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|
219 |
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/** |
220 |
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* Returns the value of the system property, or NaN if not defined. |
221 |
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*/ |
222 |
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private static float systemPropertyValue(String name) { |
223 |
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String floatString = System.getProperty(name); |
224 |
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if (floatString == null) |
225 |
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return Float.NaN; |
226 |
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try { |
227 |
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return Float.parseFloat(floatString); |
228 |
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} catch (NumberFormatException ex) { |
229 |
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throw new IllegalArgumentException( |
230 |
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String.format("Bad float value in system property %s=%s", |
231 |
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name, floatString)); |
232 |
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} |
233 |
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} |
234 |
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|
235 |
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/** |
236 |
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* The scaling factor to apply to standard delays used in tests. |
237 |
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* May be initialized from any of: |
238 |
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* - the "jsr166.delay.factor" system property |
239 |
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* - the "test.timeout.factor" system property (as used by jtreg) |
240 |
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* See: http://openjdk.java.net/jtreg/tag-spec.html |
241 |
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* - hard-coded fuzz factor when using a known slowpoke VM |
242 |
+ |
*/ |
243 |
+ |
private static final float delayFactor = delayFactor(); |
244 |
+ |
|
245 |
+ |
private static float delayFactor() { |
246 |
+ |
float x; |
247 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
248 |
+ |
return x; |
249 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
250 |
+ |
return x; |
251 |
+ |
String prop = System.getProperty("java.vm.version"); |
252 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
253 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
254 |
+ |
return 1.0f; |
255 |
+ |
} |
256 |
+ |
|
257 |
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public JSR166TestCase() { super(); } |
258 |
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public JSR166TestCase(String name) { super(name); } |
259 |
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|
269 |
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return (regex == null) ? null : Pattern.compile(regex); |
270 |
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} |
271 |
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|
272 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
273 |
+ |
static volatile TestCase currentTestCase; |
274 |
+ |
// static volatile int currentRun = 0; |
275 |
+ |
static { |
276 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
277 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
278 |
+ |
// A single test case run should never take more than 1 second. |
279 |
+ |
// But let's cap it at the high end too ... |
280 |
+ |
final int timeoutMinutes = |
281 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
282 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
283 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
284 |
+ |
catch (InterruptedException unexpected) { break; } |
285 |
+ |
if (lastTestCase == currentTestCase) { |
286 |
+ |
System.err.printf( |
287 |
+ |
"Looks like we're stuck running test: %s%n", |
288 |
+ |
lastTestCase); |
289 |
+ |
// System.err.printf( |
290 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
291 |
+ |
// lastTestCase, currentRun, runsPerTest); |
292 |
+ |
// System.err.println("availableProcessors=" + |
293 |
+ |
// Runtime.getRuntime().availableProcessors()); |
294 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
295 |
+ |
dumpTestThreads(); |
296 |
+ |
// one stack dump is probably enough; more would be spam |
297 |
+ |
break; |
298 |
+ |
} |
299 |
+ |
lastTestCase = currentTestCase; |
300 |
+ |
}}}; |
301 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
302 |
+ |
thread.setDaemon(true); |
303 |
+ |
thread.start(); |
304 |
+ |
} |
305 |
+ |
|
306 |
+ |
// public static String cpuModel() { |
307 |
+ |
// try { |
308 |
+ |
// java.util.regex.Matcher matcher |
309 |
+ |
// = Pattern.compile("model name\\s*: (.*)") |
310 |
+ |
// .matcher(new String( |
311 |
+ |
// java.nio.file.Files.readAllBytes( |
312 |
+ |
// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8")); |
313 |
+ |
// matcher.find(); |
314 |
+ |
// return matcher.group(1); |
315 |
+ |
// } catch (Exception ex) { return null; } |
316 |
+ |
// } |
317 |
+ |
|
318 |
|
public void runBare() throws Throwable { |
319 |
+ |
currentTestCase = this; |
320 |
|
if (methodFilter == null |
321 |
|
|| methodFilter.matcher(toString()).find()) |
322 |
|
super.runBare(); |
324 |
|
|
325 |
|
protected void runTest() throws Throwable { |
326 |
|
for (int i = 0; i < runsPerTest; i++) { |
327 |
+ |
// currentRun = i; |
328 |
|
if (profileTests) |
329 |
|
runTestProfiled(); |
330 |
|
else |
353 |
|
main(suite(), args); |
354 |
|
} |
355 |
|
|
356 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
357 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
358 |
+ |
long runTime; |
359 |
+ |
public void startTest(Test test) {} |
360 |
+ |
protected void printHeader(long runTime) { |
361 |
+ |
this.runTime = runTime; // defer printing for later |
362 |
+ |
} |
363 |
+ |
protected void printFooter(TestResult result) { |
364 |
+ |
if (result.wasSuccessful()) { |
365 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
366 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
367 |
+ |
} else { |
368 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
369 |
+ |
super.printFooter(result); |
370 |
+ |
} |
371 |
+ |
} |
372 |
+ |
} |
373 |
+ |
|
374 |
+ |
/** |
375 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
376 |
+ |
* fluff, like printing a "." for each test case. |
377 |
+ |
*/ |
378 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
379 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
380 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
381 |
+ |
return runner; |
382 |
+ |
} |
383 |
+ |
|
384 |
|
/** |
385 |
|
* Runs all unit tests in the given test suite. |
386 |
|
* Actual behavior influenced by jsr166.* system properties. |
392 |
|
System.setSecurityManager(new SecurityManager()); |
393 |
|
} |
394 |
|
for (int i = 0; i < suiteRuns; i++) { |
395 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
395 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
396 |
|
if (!result.wasSuccessful()) |
397 |
|
System.exit(1); |
398 |
|
System.gc(); |
418 |
|
for (String testClassName : testClassNames) { |
419 |
|
try { |
420 |
|
Class<?> testClass = Class.forName(testClassName); |
421 |
< |
Method m = testClass.getDeclaredMethod("suite", |
264 |
< |
new Class<?>[0]); |
421 |
> |
Method m = testClass.getDeclaredMethod("suite"); |
422 |
|
suite.addTest(newTestSuite((Test)m.invoke(null))); |
423 |
< |
} catch (Exception e) { |
424 |
< |
throw new Error("Missing test class", e); |
423 |
> |
} catch (ReflectiveOperationException e) { |
424 |
> |
throw new AssertionError("Missing test class", e); |
425 |
|
} |
426 |
|
} |
427 |
|
} |
443 |
|
} |
444 |
|
} |
445 |
|
|
446 |
< |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
447 |
< |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
448 |
< |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
449 |
< |
public static boolean atLeastJava9() { |
450 |
< |
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 |
< |
} |
446 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
447 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
448 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
449 |
> |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
450 |
> |
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
451 |
|
|
452 |
|
/** |
453 |
|
* Collects all JSR166 unit tests as one suite. |
468 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
469 |
|
ArrayBlockingQueueTest.suite(), |
470 |
|
ArrayDequeTest.suite(), |
471 |
+ |
ArrayListTest.suite(), |
472 |
|
AtomicBooleanTest.suite(), |
473 |
|
AtomicIntegerArrayTest.suite(), |
474 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
491 |
|
CopyOnWriteArrayListTest.suite(), |
492 |
|
CopyOnWriteArraySetTest.suite(), |
493 |
|
CountDownLatchTest.suite(), |
494 |
+ |
CountedCompleterTest.suite(), |
495 |
|
CyclicBarrierTest.suite(), |
496 |
|
DelayQueueTest.suite(), |
497 |
|
EntryTest.suite(), |
520 |
|
TreeMapTest.suite(), |
521 |
|
TreeSetTest.suite(), |
522 |
|
TreeSubMapTest.suite(), |
523 |
< |
TreeSubSetTest.suite()); |
523 |
> |
TreeSubSetTest.suite(), |
524 |
> |
VectorTest.suite()); |
525 |
|
|
526 |
|
// Java8+ test classes |
527 |
|
if (atLeastJava8()) { |
528 |
|
String[] java8TestClassNames = { |
529 |
+ |
"ArrayDeque8Test", |
530 |
|
"Atomic8Test", |
531 |
|
"CompletableFutureTest", |
532 |
|
"ConcurrentHashMap8Test", |
533 |
< |
"CountedCompleterTest", |
533 |
> |
"CountedCompleter8Test", |
534 |
|
"DoubleAccumulatorTest", |
535 |
|
"DoubleAdderTest", |
536 |
|
"ForkJoinPool8Test", |
537 |
|
"ForkJoinTask8Test", |
538 |
+ |
"HashMapTest", |
539 |
+ |
"LinkedBlockingDeque8Test", |
540 |
+ |
"LinkedBlockingQueue8Test", |
541 |
|
"LongAccumulatorTest", |
542 |
|
"LongAdderTest", |
543 |
|
"SplittableRandomTest", |
544 |
|
"StampedLockTest", |
545 |
|
"SubmissionPublisherTest", |
546 |
|
"ThreadLocalRandom8Test", |
547 |
+ |
"TimeUnit8Test", |
548 |
|
}; |
549 |
|
addNamedTestClasses(suite, java8TestClassNames); |
550 |
|
} |
552 |
|
// Java9+ test classes |
553 |
|
if (atLeastJava9()) { |
554 |
|
String[] java9TestClassNames = { |
555 |
< |
// Currently empty, but expecting varhandle tests |
555 |
> |
"AtomicBoolean9Test", |
556 |
> |
"AtomicInteger9Test", |
557 |
> |
"AtomicIntegerArray9Test", |
558 |
> |
"AtomicLong9Test", |
559 |
> |
"AtomicLongArray9Test", |
560 |
> |
"AtomicReference9Test", |
561 |
> |
"AtomicReferenceArray9Test", |
562 |
> |
"ExecutorCompletionService9Test", |
563 |
> |
"ForkJoinPool9Test", |
564 |
|
}; |
565 |
|
addNamedTestClasses(suite, java9TestClassNames); |
566 |
|
} |
571 |
|
/** Returns list of junit-style test method names in given class. */ |
572 |
|
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
573 |
|
Method[] methods = testClass.getDeclaredMethods(); |
574 |
< |
ArrayList<String> names = new ArrayList<String>(methods.length); |
574 |
> |
ArrayList<String> names = new ArrayList<>(methods.length); |
575 |
|
for (Method method : methods) { |
576 |
|
if (method.getName().startsWith("test") |
577 |
|
&& Modifier.isPublic(method.getModifiers()) |
598 |
|
for (String methodName : testMethodNames(testClass)) |
599 |
|
suite.addTest((Test) c.newInstance(data, methodName)); |
600 |
|
return suite; |
601 |
< |
} catch (Exception e) { |
602 |
< |
throw new Error(e); |
601 |
> |
} catch (ReflectiveOperationException e) { |
602 |
> |
throw new AssertionError(e); |
603 |
|
} |
604 |
|
} |
605 |
|
|
615 |
|
if (atLeastJava8()) { |
616 |
|
String name = testClass.getName(); |
617 |
|
String name8 = name.replaceAll("Test$", "8Test"); |
618 |
< |
if (name.equals(name8)) throw new Error(name); |
618 |
> |
if (name.equals(name8)) throw new AssertionError(name); |
619 |
|
try { |
620 |
|
return (Test) |
621 |
|
Class.forName(name8) |
622 |
< |
.getMethod("testSuite", new Class[] { dataClass }) |
622 |
> |
.getMethod("testSuite", dataClass) |
623 |
|
.invoke(null, data); |
624 |
< |
} catch (Exception e) { |
625 |
< |
throw new Error(e); |
624 |
> |
} catch (ReflectiveOperationException e) { |
625 |
> |
throw new AssertionError(e); |
626 |
|
} |
627 |
|
} else { |
628 |
|
return new TestSuite(); |
629 |
|
} |
464 |
– |
|
630 |
|
} |
631 |
|
|
632 |
|
// Delays for timing-dependent tests, in milliseconds. |
636 |
|
public static long MEDIUM_DELAY_MS; |
637 |
|
public static long LONG_DELAY_MS; |
638 |
|
|
639 |
+ |
private static final long RANDOM_TIMEOUT; |
640 |
+ |
private static final long RANDOM_EXPIRED_TIMEOUT; |
641 |
+ |
private static final TimeUnit RANDOM_TIMEUNIT; |
642 |
+ |
static { |
643 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
644 |
+ |
long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE }; |
645 |
+ |
RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)]; |
646 |
+ |
RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)]; |
647 |
+ |
TimeUnit[] timeUnits = TimeUnit.values(); |
648 |
+ |
RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)]; |
649 |
+ |
} |
650 |
+ |
|
651 |
+ |
/** |
652 |
+ |
* Returns a timeout for use when any value at all will do. |
653 |
+ |
*/ |
654 |
+ |
static long randomTimeout() { return RANDOM_TIMEOUT; } |
655 |
+ |
|
656 |
+ |
/** |
657 |
+ |
* Returns a timeout that means "no waiting", i.e. not positive. |
658 |
+ |
*/ |
659 |
+ |
static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; } |
660 |
+ |
|
661 |
+ |
/** |
662 |
+ |
* Returns a random non-null TimeUnit. |
663 |
+ |
*/ |
664 |
+ |
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
665 |
+ |
|
666 |
|
/** |
667 |
< |
* Returns the shortest timed delay. This could |
668 |
< |
* be reimplemented to use for example a Property. |
667 |
> |
* Returns the shortest timed delay. This can be scaled up for |
668 |
> |
* slow machines using the jsr166.delay.factor system property, |
669 |
> |
* or via jtreg's -timeoutFactor: flag. |
670 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
671 |
|
*/ |
672 |
|
protected long getShortDelay() { |
673 |
< |
return 50; |
673 |
> |
return (long) (50 * delayFactor); |
674 |
|
} |
675 |
|
|
676 |
|
/** |
683 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
684 |
|
} |
685 |
|
|
686 |
+ |
private static final long TIMEOUT_DELAY_MS |
687 |
+ |
= (long) (12.0 * Math.cbrt(delayFactor)); |
688 |
+ |
|
689 |
|
/** |
690 |
< |
* Returns a timeout in milliseconds to be used in tests that |
691 |
< |
* verify that operations block or time out. |
690 |
> |
* Returns a timeout in milliseconds to be used in tests that verify |
691 |
> |
* that operations block or time out. We want this to be longer |
692 |
> |
* than the OS scheduling quantum, but not too long, so don't scale |
693 |
> |
* linearly with delayFactor; we use "crazy" cube root instead. |
694 |
|
*/ |
695 |
< |
long timeoutMillis() { |
696 |
< |
return SHORT_DELAY_MS / 4; |
695 |
> |
static long timeoutMillis() { |
696 |
> |
return TIMEOUT_DELAY_MS; |
697 |
|
} |
698 |
|
|
699 |
|
/** |
709 |
|
* The first exception encountered if any threadAssertXXX method fails. |
710 |
|
*/ |
711 |
|
private final AtomicReference<Throwable> threadFailure |
712 |
< |
= new AtomicReference<Throwable>(null); |
712 |
> |
= new AtomicReference<>(null); |
713 |
|
|
714 |
|
/** |
715 |
|
* Records an exception so that it can be rethrown later in the test |
718 |
|
* the same test have no effect. |
719 |
|
*/ |
720 |
|
public void threadRecordFailure(Throwable t) { |
721 |
< |
printAllStackTraces(); |
721 |
> |
System.err.println(t); |
722 |
> |
dumpTestThreads(); |
723 |
|
threadFailure.compareAndSet(null, t); |
724 |
|
} |
725 |
|
|
730 |
|
void tearDownFail(String format, Object... args) { |
731 |
|
String msg = toString() + ": " + String.format(format, args); |
732 |
|
System.err.println(msg); |
733 |
< |
printAllStackTraces(); |
734 |
< |
throw new AssertionFailedError(msg); |
733 |
> |
dumpTestThreads(); |
734 |
> |
throw new AssertionError(msg); |
735 |
|
} |
736 |
|
|
737 |
|
/** |
752 |
|
throw (RuntimeException) t; |
753 |
|
else if (t instanceof Exception) |
754 |
|
throw (Exception) t; |
755 |
< |
else { |
756 |
< |
AssertionFailedError afe = |
557 |
< |
new AssertionFailedError(t.toString()); |
558 |
< |
afe.initCause(t); |
559 |
< |
throw afe; |
560 |
< |
} |
755 |
> |
else |
756 |
> |
throw new AssertionError(t.toString(), t); |
757 |
|
} |
758 |
|
|
759 |
|
if (Thread.interrupted()) |
763 |
|
} |
764 |
|
|
765 |
|
/** |
766 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
766 |
> |
* Finds missing PoolCleaners |
767 |
|
*/ |
768 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
769 |
|
Thread[] survivors = new Thread[7]; |
787 |
|
|
788 |
|
/** |
789 |
|
* Just like fail(reason), but additionally recording (using |
790 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
791 |
< |
* the current testcase will fail. |
790 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
791 |
> |
* current testcase will fail. |
792 |
|
*/ |
793 |
|
public void threadFail(String reason) { |
794 |
|
try { |
795 |
|
fail(reason); |
796 |
< |
} catch (AssertionFailedError t) { |
797 |
< |
threadRecordFailure(t); |
798 |
< |
throw t; |
796 |
> |
} catch (AssertionError fail) { |
797 |
> |
threadRecordFailure(fail); |
798 |
> |
throw fail; |
799 |
|
} |
800 |
|
} |
801 |
|
|
802 |
|
/** |
803 |
|
* Just like assertTrue(b), but additionally recording (using |
804 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
805 |
< |
* the current testcase will fail. |
804 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
805 |
> |
* current testcase will fail. |
806 |
|
*/ |
807 |
|
public void threadAssertTrue(boolean b) { |
808 |
|
try { |
809 |
|
assertTrue(b); |
810 |
< |
} catch (AssertionFailedError t) { |
811 |
< |
threadRecordFailure(t); |
812 |
< |
throw t; |
810 |
> |
} catch (AssertionError fail) { |
811 |
> |
threadRecordFailure(fail); |
812 |
> |
throw fail; |
813 |
|
} |
814 |
|
} |
815 |
|
|
816 |
|
/** |
817 |
|
* Just like assertFalse(b), but additionally recording (using |
818 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
819 |
< |
* the current testcase will fail. |
818 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
819 |
> |
* current testcase will fail. |
820 |
|
*/ |
821 |
|
public void threadAssertFalse(boolean b) { |
822 |
|
try { |
823 |
|
assertFalse(b); |
824 |
< |
} catch (AssertionFailedError t) { |
825 |
< |
threadRecordFailure(t); |
826 |
< |
throw t; |
824 |
> |
} catch (AssertionError fail) { |
825 |
> |
threadRecordFailure(fail); |
826 |
> |
throw fail; |
827 |
|
} |
828 |
|
} |
829 |
|
|
830 |
|
/** |
831 |
|
* Just like assertNull(x), but additionally recording (using |
832 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
833 |
< |
* the current testcase will fail. |
832 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
833 |
> |
* current testcase will fail. |
834 |
|
*/ |
835 |
|
public void threadAssertNull(Object x) { |
836 |
|
try { |
837 |
|
assertNull(x); |
838 |
< |
} catch (AssertionFailedError t) { |
839 |
< |
threadRecordFailure(t); |
840 |
< |
throw t; |
838 |
> |
} catch (AssertionError fail) { |
839 |
> |
threadRecordFailure(fail); |
840 |
> |
throw fail; |
841 |
|
} |
842 |
|
} |
843 |
|
|
844 |
|
/** |
845 |
|
* Just like assertEquals(x, y), but additionally recording (using |
846 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
847 |
< |
* the current testcase will fail. |
846 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
847 |
> |
* current testcase will fail. |
848 |
|
*/ |
849 |
|
public void threadAssertEquals(long x, long y) { |
850 |
|
try { |
851 |
|
assertEquals(x, y); |
852 |
< |
} catch (AssertionFailedError t) { |
853 |
< |
threadRecordFailure(t); |
854 |
< |
throw t; |
852 |
> |
} catch (AssertionError fail) { |
853 |
> |
threadRecordFailure(fail); |
854 |
> |
throw fail; |
855 |
|
} |
856 |
|
} |
857 |
|
|
858 |
|
/** |
859 |
|
* Just like assertEquals(x, y), but additionally recording (using |
860 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
861 |
< |
* the current testcase will fail. |
860 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
861 |
> |
* current testcase will fail. |
862 |
|
*/ |
863 |
|
public void threadAssertEquals(Object x, Object y) { |
864 |
|
try { |
865 |
|
assertEquals(x, y); |
866 |
< |
} catch (AssertionFailedError fail) { |
866 |
> |
} catch (AssertionError fail) { |
867 |
|
threadRecordFailure(fail); |
868 |
|
throw fail; |
869 |
|
} catch (Throwable fail) { |
873 |
|
|
874 |
|
/** |
875 |
|
* Just like assertSame(x, y), but additionally recording (using |
876 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
877 |
< |
* the current testcase will fail. |
876 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
877 |
> |
* current testcase will fail. |
878 |
|
*/ |
879 |
|
public void threadAssertSame(Object x, Object y) { |
880 |
|
try { |
881 |
|
assertSame(x, y); |
882 |
< |
} catch (AssertionFailedError fail) { |
882 |
> |
} catch (AssertionError fail) { |
883 |
|
threadRecordFailure(fail); |
884 |
|
throw fail; |
885 |
|
} |
901 |
|
|
902 |
|
/** |
903 |
|
* Records the given exception using {@link #threadRecordFailure}, |
904 |
< |
* then rethrows the exception, wrapping it in an |
905 |
< |
* AssertionFailedError if necessary. |
904 |
> |
* then rethrows the exception, wrapping it in an AssertionError |
905 |
> |
* if necessary. |
906 |
|
*/ |
907 |
|
public void threadUnexpectedException(Throwable t) { |
908 |
|
threadRecordFailure(t); |
911 |
|
throw (RuntimeException) t; |
912 |
|
else if (t instanceof Error) |
913 |
|
throw (Error) t; |
914 |
< |
else { |
915 |
< |
AssertionFailedError afe = |
720 |
< |
new AssertionFailedError("unexpected exception: " + t); |
721 |
< |
afe.initCause(t); |
722 |
< |
throw afe; |
723 |
< |
} |
914 |
> |
else |
915 |
> |
throw new AssertionError("unexpected exception: " + t, t); |
916 |
|
} |
917 |
|
|
918 |
|
/** |
919 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
920 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
921 |
< |
* until time elapses. |
921 |
> |
* until time elapses. Ensures that the given time, as measured |
922 |
> |
* by System.nanoTime(), has elapsed. |
923 |
|
*/ |
924 |
|
static void delay(long millis) throws InterruptedException { |
925 |
< |
long startTime = System.nanoTime(); |
926 |
< |
long ns = millis * 1000 * 1000; |
927 |
< |
for (;;) { |
925 |
> |
long nanos = millis * (1000 * 1000); |
926 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
927 |
> |
do { |
928 |
|
if (millis > 0L) |
929 |
|
Thread.sleep(millis); |
930 |
|
else // too short to sleep |
931 |
|
Thread.yield(); |
932 |
< |
long d = ns - (System.nanoTime() - startTime); |
933 |
< |
if (d > 0L) |
934 |
< |
millis = d / (1000 * 1000); |
742 |
< |
else |
743 |
< |
break; |
744 |
< |
} |
932 |
> |
nanos = wakeupTime - System.nanoTime(); |
933 |
> |
millis = nanos / (1000 * 1000); |
934 |
> |
} while (nanos >= 0L); |
935 |
|
} |
936 |
|
|
937 |
|
/** |
938 |
|
* Allows use of try-with-resources with per-test thread pools. |
939 |
|
*/ |
940 |
< |
static class PoolCloser<T extends ExecutorService> |
941 |
< |
implements AutoCloseable { |
942 |
< |
public final T pool; |
753 |
< |
public PoolCloser(T pool) { this.pool = pool; } |
940 |
> |
class PoolCleaner implements AutoCloseable { |
941 |
> |
private final ExecutorService pool; |
942 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
943 |
|
public void close() { joinPool(pool); } |
944 |
|
} |
945 |
|
|
946 |
|
/** |
947 |
+ |
* An extension of PoolCleaner that has an action to release the pool. |
948 |
+ |
*/ |
949 |
+ |
class PoolCleanerWithReleaser extends PoolCleaner { |
950 |
+ |
private final Runnable releaser; |
951 |
+ |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
952 |
+ |
super(pool); |
953 |
+ |
this.releaser = releaser; |
954 |
+ |
} |
955 |
+ |
public void close() { |
956 |
+ |
try { |
957 |
+ |
releaser.run(); |
958 |
+ |
} finally { |
959 |
+ |
super.close(); |
960 |
+ |
} |
961 |
+ |
} |
962 |
+ |
} |
963 |
+ |
|
964 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
965 |
+ |
return new PoolCleaner(pool); |
966 |
+ |
} |
967 |
+ |
|
968 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
969 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
970 |
+ |
} |
971 |
+ |
|
972 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
973 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
974 |
+ |
} |
975 |
+ |
|
976 |
+ |
Runnable releaser(final CountDownLatch latch) { |
977 |
+ |
return new Runnable() { public void run() { |
978 |
+ |
do { latch.countDown(); } |
979 |
+ |
while (latch.getCount() > 0); |
980 |
+ |
}}; |
981 |
+ |
} |
982 |
+ |
|
983 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
984 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
985 |
+ |
} |
986 |
+ |
|
987 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
988 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
989 |
+ |
} |
990 |
+ |
|
991 |
+ |
/** |
992 |
|
* Waits out termination of a thread pool or fails doing so. |
993 |
|
*/ |
994 |
< |
static void joinPool(ExecutorService pool) { |
994 |
> |
void joinPool(ExecutorService pool) { |
995 |
|
try { |
996 |
|
pool.shutdown(); |
997 |
< |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
998 |
< |
fail("ExecutorService " + pool + |
999 |
< |
" did not terminate in a timely manner"); |
997 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
998 |
> |
try { |
999 |
> |
threadFail("ExecutorService " + pool + |
1000 |
> |
" did not terminate in a timely manner"); |
1001 |
> |
} finally { |
1002 |
> |
// last resort, for the benefit of subsequent tests |
1003 |
> |
pool.shutdownNow(); |
1004 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
1005 |
> |
} |
1006 |
> |
} |
1007 |
|
} catch (SecurityException ok) { |
1008 |
|
// Allowed in case test doesn't have privs |
1009 |
|
} catch (InterruptedException fail) { |
1010 |
< |
fail("Unexpected InterruptedException"); |
1010 |
> |
threadFail("Unexpected InterruptedException"); |
1011 |
|
} |
1012 |
|
} |
1013 |
|
|
1014 |
< |
/** Like Runnable, but with the freedom to throw anything */ |
1014 |
> |
/** |
1015 |
> |
* Like Runnable, but with the freedom to throw anything. |
1016 |
> |
* junit folks had the same idea: |
1017 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
1018 |
> |
*/ |
1019 |
|
interface Action { public void run() throws Throwable; } |
1020 |
|
|
1021 |
|
/** |
1024 |
|
* necessarily individually slow because they must block. |
1025 |
|
*/ |
1026 |
|
void testInParallel(Action ... actions) { |
1027 |
< |
try (PoolCloser<ExecutorService> poolCloser |
1028 |
< |
= new PoolCloser<>(Executors.newCachedThreadPool())) { |
784 |
< |
ExecutorService pool = poolCloser.pool; |
1027 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
1028 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
1029 |
|
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1030 |
|
for (final Action action : actions) |
1031 |
|
futures.add(pool.submit(new CheckedRunnable() { |
1042 |
|
} |
1043 |
|
|
1044 |
|
/** |
1045 |
< |
* A debugging tool to print all stack traces, as jstack does. |
1045 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
1046 |
|
* Uninteresting threads are filtered out. |
1047 |
|
*/ |
1048 |
< |
static void printAllStackTraces() { |
1048 |
> |
static void dumpTestThreads() { |
1049 |
> |
SecurityManager sm = System.getSecurityManager(); |
1050 |
> |
if (sm != null) { |
1051 |
> |
try { |
1052 |
> |
System.setSecurityManager(null); |
1053 |
> |
} catch (SecurityException giveUp) { |
1054 |
> |
return; |
1055 |
> |
} |
1056 |
> |
} |
1057 |
> |
|
1058 |
|
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1059 |
|
System.err.println("------ stacktrace dump start ------"); |
1060 |
|
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1061 |
< |
String name = info.getThreadName(); |
1061 |
> |
final String name = info.getThreadName(); |
1062 |
> |
String lockName; |
1063 |
|
if ("Signal Dispatcher".equals(name)) |
1064 |
|
continue; |
1065 |
|
if ("Reference Handler".equals(name) |
1066 |
< |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
1066 |
> |
&& (lockName = info.getLockName()) != null |
1067 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1068 |
|
continue; |
1069 |
|
if ("Finalizer".equals(name) |
1070 |
< |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1070 |
> |
&& (lockName = info.getLockName()) != null |
1071 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1072 |
> |
continue; |
1073 |
> |
if ("checkForWedgedTest".equals(name)) |
1074 |
|
continue; |
1075 |
|
System.err.print(info); |
1076 |
|
} |
1077 |
|
System.err.println("------ stacktrace dump end ------"); |
820 |
– |
} |
1078 |
|
|
1079 |
< |
/** |
823 |
< |
* Checks that thread does not terminate within the default |
824 |
< |
* millisecond delay of {@code timeoutMillis()}. |
825 |
< |
*/ |
826 |
< |
void assertThreadStaysAlive(Thread thread) { |
827 |
< |
assertThreadStaysAlive(thread, timeoutMillis()); |
1079 |
> |
if (sm != null) System.setSecurityManager(sm); |
1080 |
|
} |
1081 |
|
|
1082 |
|
/** |
1083 |
< |
* Checks that thread does not terminate within the given millisecond delay. |
1083 |
> |
* Checks that thread eventually enters the expected blocked thread state. |
1084 |
|
*/ |
1085 |
< |
void assertThreadStaysAlive(Thread thread, long millis) { |
1086 |
< |
try { |
1087 |
< |
// No need to optimize the failing case via Thread.join. |
1088 |
< |
delay(millis); |
1089 |
< |
assertTrue(thread.isAlive()); |
1090 |
< |
} catch (InterruptedException fail) { |
1091 |
< |
fail("Unexpected InterruptedException"); |
1092 |
< |
} |
1093 |
< |
} |
1094 |
< |
|
1095 |
< |
/** |
1096 |
< |
* Checks that the threads do not terminate within the default |
1097 |
< |
* millisecond delay of {@code timeoutMillis()}. |
846 |
< |
*/ |
847 |
< |
void assertThreadsStayAlive(Thread... threads) { |
848 |
< |
assertThreadsStayAlive(timeoutMillis(), threads); |
849 |
< |
} |
850 |
< |
|
851 |
< |
/** |
852 |
< |
* Checks that the threads do not terminate within the given millisecond delay. |
853 |
< |
*/ |
854 |
< |
void assertThreadsStayAlive(long millis, Thread... threads) { |
855 |
< |
try { |
856 |
< |
// No need to optimize the failing case via Thread.join. |
857 |
< |
delay(millis); |
858 |
< |
for (Thread thread : threads) |
859 |
< |
assertTrue(thread.isAlive()); |
860 |
< |
} catch (InterruptedException fail) { |
861 |
< |
fail("Unexpected InterruptedException"); |
1085 |
> |
void assertThreadBlocks(Thread thread, Thread.State expected) { |
1086 |
> |
// always sleep at least 1 ms, with high probability avoiding |
1087 |
> |
// transitory states |
1088 |
> |
for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) { |
1089 |
> |
try { delay(1); } |
1090 |
> |
catch (InterruptedException fail) { |
1091 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1092 |
> |
} |
1093 |
> |
Thread.State s = thread.getState(); |
1094 |
> |
if (s == expected) |
1095 |
> |
return; |
1096 |
> |
else if (s == Thread.State.TERMINATED) |
1097 |
> |
fail("Unexpected thread termination"); |
1098 |
|
} |
1099 |
+ |
fail("timed out waiting for thread to enter thread state " + expected); |
1100 |
|
} |
1101 |
|
|
1102 |
|
/** |
1137 |
|
} |
1138 |
|
|
1139 |
|
/** |
1140 |
+ |
* The maximum number of consecutive spurious wakeups we should |
1141 |
+ |
* tolerate (from APIs like LockSupport.park) before failing a test. |
1142 |
+ |
*/ |
1143 |
+ |
static final int MAX_SPURIOUS_WAKEUPS = 10; |
1144 |
+ |
|
1145 |
+ |
/** |
1146 |
|
* The number of elements to place in collections, arrays, etc. |
1147 |
|
*/ |
1148 |
|
public static final int SIZE = 20; |
1246 |
|
} |
1247 |
|
public void refresh() {} |
1248 |
|
public String toString() { |
1249 |
< |
List<Permission> ps = new ArrayList<Permission>(); |
1249 |
> |
List<Permission> ps = new ArrayList<>(); |
1250 |
|
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1251 |
|
ps.add(e.nextElement()); |
1252 |
|
return "AdjustablePolicy with permissions " + ps; |
1274 |
|
|
1275 |
|
/** |
1276 |
|
* Sleeps until the given time has elapsed. |
1277 |
< |
* Throws AssertionFailedError if interrupted. |
1277 |
> |
* Throws AssertionError if interrupted. |
1278 |
|
*/ |
1279 |
< |
void sleep(long millis) { |
1279 |
> |
static void sleep(long millis) { |
1280 |
|
try { |
1281 |
|
delay(millis); |
1282 |
|
} catch (InterruptedException fail) { |
1283 |
< |
AssertionFailedError afe = |
1041 |
< |
new AssertionFailedError("Unexpected InterruptedException"); |
1042 |
< |
afe.initCause(fail); |
1043 |
< |
throw afe; |
1283 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1284 |
|
} |
1285 |
|
} |
1286 |
|
|
1289 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1290 |
|
*/ |
1291 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1292 |
< |
long startTime = System.nanoTime(); |
1292 |
> |
long startTime = 0L; |
1293 |
|
for (;;) { |
1294 |
|
Thread.State s = thread.getState(); |
1295 |
|
if (s == Thread.State.BLOCKED || |
1298 |
|
return; |
1299 |
|
else if (s == Thread.State.TERMINATED) |
1300 |
|
fail("Unexpected thread termination"); |
1301 |
+ |
else if (startTime == 0L) |
1302 |
+ |
startTime = System.nanoTime(); |
1303 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1304 |
|
threadAssertTrue(thread.isAlive()); |
1305 |
< |
return; |
1305 |
> |
fail("timed out waiting for thread to enter wait state"); |
1306 |
|
} |
1307 |
|
Thread.yield(); |
1308 |
|
} |
1309 |
|
} |
1310 |
|
|
1311 |
|
/** |
1312 |
< |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1313 |
< |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1312 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1313 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1314 |
> |
* and additionally satisfy the given condition. |
1315 |
> |
*/ |
1316 |
> |
void waitForThreadToEnterWaitState( |
1317 |
> |
Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) { |
1318 |
> |
long startTime = 0L; |
1319 |
> |
for (;;) { |
1320 |
> |
Thread.State s = thread.getState(); |
1321 |
> |
if (s == Thread.State.BLOCKED || |
1322 |
> |
s == Thread.State.WAITING || |
1323 |
> |
s == Thread.State.TIMED_WAITING) { |
1324 |
> |
try { |
1325 |
> |
if (waitingForGodot.call()) |
1326 |
> |
return; |
1327 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1328 |
> |
} |
1329 |
> |
else if (s == Thread.State.TERMINATED) |
1330 |
> |
fail("Unexpected thread termination"); |
1331 |
> |
else if (startTime == 0L) |
1332 |
> |
startTime = System.nanoTime(); |
1333 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1334 |
> |
threadAssertTrue(thread.isAlive()); |
1335 |
> |
fail("timed out waiting for thread to enter wait state"); |
1336 |
> |
} |
1337 |
> |
Thread.yield(); |
1338 |
> |
} |
1339 |
> |
} |
1340 |
> |
|
1341 |
> |
/** |
1342 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1343 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1344 |
|
*/ |
1345 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1346 |
|
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1347 |
|
} |
1348 |
|
|
1349 |
|
/** |
1350 |
+ |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1351 |
+ |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1352 |
+ |
* and additionally satisfy the given condition. |
1353 |
+ |
*/ |
1354 |
+ |
void waitForThreadToEnterWaitState( |
1355 |
+ |
Thread thread, Callable<Boolean> waitingForGodot) { |
1356 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1357 |
+ |
} |
1358 |
+ |
|
1359 |
+ |
/** |
1360 |
|
* Returns the number of milliseconds since time given by |
1361 |
|
* startNanoTime, which must have been previously returned from a |
1362 |
|
* call to {@link System#nanoTime()}. |
1371 |
|
// r.run(); |
1372 |
|
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1373 |
|
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1374 |
< |
// throw new AssertionFailedError("did not return promptly"); |
1374 |
> |
// throw new AssertionError("did not return promptly"); |
1375 |
|
// } |
1376 |
|
|
1377 |
|
// void assertTerminatesPromptly(Runnable r) { |
1388 |
|
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1389 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1390 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1391 |
< |
throw new AssertionFailedError("timed get did not return promptly"); |
1391 |
> |
throw new AssertionError("timed get did not return promptly"); |
1392 |
|
} |
1393 |
|
|
1394 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1418 |
|
} finally { |
1419 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1420 |
|
t.interrupt(); |
1421 |
< |
fail("Test timed out"); |
1421 |
> |
threadFail("timed out waiting for thread to terminate"); |
1422 |
|
} |
1423 |
|
} |
1424 |
|
} |
1446 |
|
} |
1447 |
|
} |
1448 |
|
|
1167 |
– |
public abstract class RunnableShouldThrow implements Runnable { |
1168 |
– |
protected abstract void realRun() throws Throwable; |
1169 |
– |
|
1170 |
– |
final Class<?> exceptionClass; |
1171 |
– |
|
1172 |
– |
<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) { |
1173 |
– |
this.exceptionClass = exceptionClass; |
1174 |
– |
} |
1175 |
– |
|
1176 |
– |
public final void run() { |
1177 |
– |
try { |
1178 |
– |
realRun(); |
1179 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1180 |
– |
} catch (Throwable t) { |
1181 |
– |
if (! exceptionClass.isInstance(t)) |
1182 |
– |
threadUnexpectedException(t); |
1183 |
– |
} |
1184 |
– |
} |
1185 |
– |
} |
1186 |
– |
|
1449 |
|
public abstract class ThreadShouldThrow extends Thread { |
1450 |
|
protected abstract void realRun() throws Throwable; |
1451 |
|
|
1546 |
|
}}; |
1547 |
|
} |
1548 |
|
|
1549 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1550 |
< |
return new CheckedRunnable() { |
1551 |
< |
public void realRun() throws InterruptedException { |
1552 |
< |
await(latch); |
1553 |
< |
}}; |
1549 |
> |
class LatchAwaiter extends CheckedRunnable { |
1550 |
> |
static final int NEW = 0; |
1551 |
> |
static final int RUNNING = 1; |
1552 |
> |
static final int DONE = 2; |
1553 |
> |
final CountDownLatch latch; |
1554 |
> |
int state = NEW; |
1555 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1556 |
> |
public void realRun() throws InterruptedException { |
1557 |
> |
state = 1; |
1558 |
> |
await(latch); |
1559 |
> |
state = 2; |
1560 |
> |
} |
1561 |
|
} |
1562 |
|
|
1563 |
< |
public void await(CountDownLatch latch) { |
1563 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1564 |
> |
return new LatchAwaiter(latch); |
1565 |
> |
} |
1566 |
> |
|
1567 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1568 |
|
try { |
1569 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1569 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1570 |
> |
fail("timed out waiting for CountDownLatch for " |
1571 |
> |
+ (timeoutMillis/1000) + " sec"); |
1572 |
|
} catch (Throwable fail) { |
1573 |
|
threadUnexpectedException(fail); |
1574 |
|
} |
1575 |
|
} |
1576 |
|
|
1577 |
+ |
public void await(CountDownLatch latch) { |
1578 |
+ |
await(latch, LONG_DELAY_MS); |
1579 |
+ |
} |
1580 |
+ |
|
1581 |
|
public void await(Semaphore semaphore) { |
1582 |
|
try { |
1583 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1583 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1584 |
> |
fail("timed out waiting for Semaphore for " |
1585 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1586 |
> |
} catch (Throwable fail) { |
1587 |
> |
threadUnexpectedException(fail); |
1588 |
> |
} |
1589 |
> |
} |
1590 |
> |
|
1591 |
> |
public void await(CyclicBarrier barrier) { |
1592 |
> |
try { |
1593 |
> |
barrier.await(LONG_DELAY_MS, MILLISECONDS); |
1594 |
|
} catch (Throwable fail) { |
1595 |
|
threadUnexpectedException(fail); |
1596 |
|
} |
1610 |
|
// long startTime = System.nanoTime(); |
1611 |
|
// while (!flag.get()) { |
1612 |
|
// if (millisElapsedSince(startTime) > timeoutMillis) |
1613 |
< |
// throw new AssertionFailedError("timed out"); |
1613 |
> |
// throw new AssertionError("timed out"); |
1614 |
|
// Thread.yield(); |
1615 |
|
// } |
1616 |
|
// } |
1619 |
|
public String call() { throw new NullPointerException(); } |
1620 |
|
} |
1621 |
|
|
1333 |
– |
public static class CallableOne implements Callable<Integer> { |
1334 |
– |
public Integer call() { return one; } |
1335 |
– |
} |
1336 |
– |
|
1337 |
– |
public class ShortRunnable extends CheckedRunnable { |
1338 |
– |
protected void realRun() throws Throwable { |
1339 |
– |
delay(SHORT_DELAY_MS); |
1340 |
– |
} |
1341 |
– |
} |
1342 |
– |
|
1343 |
– |
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1344 |
– |
protected void realRun() throws InterruptedException { |
1345 |
– |
delay(SHORT_DELAY_MS); |
1346 |
– |
} |
1347 |
– |
} |
1348 |
– |
|
1349 |
– |
public class SmallRunnable extends CheckedRunnable { |
1350 |
– |
protected void realRun() throws Throwable { |
1351 |
– |
delay(SMALL_DELAY_MS); |
1352 |
– |
} |
1353 |
– |
} |
1354 |
– |
|
1622 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1623 |
|
protected void realRun() { |
1624 |
|
try { |
1627 |
|
} |
1628 |
|
} |
1629 |
|
|
1363 |
– |
public class SmallCallable extends CheckedCallable { |
1364 |
– |
protected Object realCall() throws InterruptedException { |
1365 |
– |
delay(SMALL_DELAY_MS); |
1366 |
– |
return Boolean.TRUE; |
1367 |
– |
} |
1368 |
– |
} |
1369 |
– |
|
1370 |
– |
public class MediumRunnable extends CheckedRunnable { |
1371 |
– |
protected void realRun() throws Throwable { |
1372 |
– |
delay(MEDIUM_DELAY_MS); |
1373 |
– |
} |
1374 |
– |
} |
1375 |
– |
|
1376 |
– |
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1377 |
– |
protected void realRun() throws InterruptedException { |
1378 |
– |
delay(MEDIUM_DELAY_MS); |
1379 |
– |
} |
1380 |
– |
} |
1381 |
– |
|
1630 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1631 |
|
return new CheckedRunnable() { |
1632 |
|
protected void realRun() { |
1636 |
|
}}; |
1637 |
|
} |
1638 |
|
|
1391 |
– |
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1392 |
– |
protected void realRun() { |
1393 |
– |
try { |
1394 |
– |
delay(MEDIUM_DELAY_MS); |
1395 |
– |
} catch (InterruptedException ok) {} |
1396 |
– |
} |
1397 |
– |
} |
1398 |
– |
|
1399 |
– |
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1400 |
– |
protected void realRun() { |
1401 |
– |
try { |
1402 |
– |
delay(LONG_DELAY_MS); |
1403 |
– |
} catch (InterruptedException ok) {} |
1404 |
– |
} |
1405 |
– |
} |
1406 |
– |
|
1639 |
|
/** |
1640 |
|
* For use as ThreadFactory in constructors |
1641 |
|
*/ |
1649 |
|
boolean isDone(); |
1650 |
|
} |
1651 |
|
|
1420 |
– |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1421 |
– |
return new TrackedRunnable() { |
1422 |
– |
private volatile boolean done = false; |
1423 |
– |
public boolean isDone() { return done; } |
1424 |
– |
public void run() { |
1425 |
– |
try { |
1426 |
– |
delay(timeoutMillis); |
1427 |
– |
done = true; |
1428 |
– |
} catch (InterruptedException ok) {} |
1429 |
– |
} |
1430 |
– |
}; |
1431 |
– |
} |
1432 |
– |
|
1433 |
– |
public static class TrackedShortRunnable implements Runnable { |
1434 |
– |
public volatile boolean done = false; |
1435 |
– |
public void run() { |
1436 |
– |
try { |
1437 |
– |
delay(SHORT_DELAY_MS); |
1438 |
– |
done = true; |
1439 |
– |
} catch (InterruptedException ok) {} |
1440 |
– |
} |
1441 |
– |
} |
1442 |
– |
|
1443 |
– |
public static class TrackedSmallRunnable implements Runnable { |
1444 |
– |
public volatile boolean done = false; |
1445 |
– |
public void run() { |
1446 |
– |
try { |
1447 |
– |
delay(SMALL_DELAY_MS); |
1448 |
– |
done = true; |
1449 |
– |
} catch (InterruptedException ok) {} |
1450 |
– |
} |
1451 |
– |
} |
1452 |
– |
|
1453 |
– |
public static class TrackedMediumRunnable implements Runnable { |
1454 |
– |
public volatile boolean done = false; |
1455 |
– |
public void run() { |
1456 |
– |
try { |
1457 |
– |
delay(MEDIUM_DELAY_MS); |
1458 |
– |
done = true; |
1459 |
– |
} catch (InterruptedException ok) {} |
1460 |
– |
} |
1461 |
– |
} |
1462 |
– |
|
1463 |
– |
public static class TrackedLongRunnable implements Runnable { |
1464 |
– |
public volatile boolean done = false; |
1465 |
– |
public void run() { |
1466 |
– |
try { |
1467 |
– |
delay(LONG_DELAY_MS); |
1468 |
– |
done = true; |
1469 |
– |
} catch (InterruptedException ok) {} |
1470 |
– |
} |
1471 |
– |
} |
1472 |
– |
|
1652 |
|
public static class TrackedNoOpRunnable implements Runnable { |
1653 |
|
public volatile boolean done = false; |
1654 |
|
public void run() { |
1656 |
|
} |
1657 |
|
} |
1658 |
|
|
1480 |
– |
public static class TrackedCallable implements Callable { |
1481 |
– |
public volatile boolean done = false; |
1482 |
– |
public Object call() { |
1483 |
– |
try { |
1484 |
– |
delay(SMALL_DELAY_MS); |
1485 |
– |
done = true; |
1486 |
– |
} catch (InterruptedException ok) {} |
1487 |
– |
return Boolean.TRUE; |
1488 |
– |
} |
1489 |
– |
} |
1490 |
– |
|
1659 |
|
/** |
1660 |
|
* Analog of CheckedRunnable for RecursiveAction |
1661 |
|
*/ |
1697 |
|
|
1698 |
|
/** |
1699 |
|
* A CyclicBarrier that uses timed await and fails with |
1700 |
< |
* AssertionFailedErrors instead of throwing checked exceptions. |
1700 |
> |
* AssertionErrors instead of throwing checked exceptions. |
1701 |
|
*/ |
1702 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1702 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1703 |
|
public CheckedBarrier(int parties) { super(parties); } |
1704 |
|
|
1705 |
|
public int await() { |
1706 |
|
try { |
1707 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1708 |
|
} catch (TimeoutException timedOut) { |
1709 |
< |
throw new AssertionFailedError("timed out"); |
1709 |
> |
throw new AssertionError("timed out"); |
1710 |
|
} catch (Exception fail) { |
1711 |
< |
AssertionFailedError afe = |
1544 |
< |
new AssertionFailedError("Unexpected exception: " + fail); |
1545 |
< |
afe.initCause(fail); |
1546 |
< |
throw afe; |
1711 |
> |
throw new AssertionError("Unexpected exception: " + fail, fail); |
1712 |
|
} |
1713 |
|
} |
1714 |
|
} |
1719 |
|
assertEquals(0, q.size()); |
1720 |
|
assertNull(q.peek()); |
1721 |
|
assertNull(q.poll()); |
1722 |
< |
assertNull(q.poll(0, MILLISECONDS)); |
1722 |
> |
assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit())); |
1723 |
|
assertEquals(q.toString(), "[]"); |
1724 |
|
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1725 |
|
assertFalse(q.iterator().hasNext()); |
1760 |
|
} |
1761 |
|
} |
1762 |
|
|
1763 |
+ |
void assertImmutable(final Object o) { |
1764 |
+ |
if (o instanceof Collection) { |
1765 |
+ |
assertThrows( |
1766 |
+ |
UnsupportedOperationException.class, |
1767 |
+ |
new Runnable() { public void run() { |
1768 |
+ |
((Collection) o).add(null);}}); |
1769 |
+ |
} |
1770 |
+ |
} |
1771 |
+ |
|
1772 |
|
@SuppressWarnings("unchecked") |
1773 |
|
<T> T serialClone(T o) { |
1774 |
|
try { |
1775 |
|
ObjectInputStream ois = new ObjectInputStream |
1776 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1777 |
|
T clone = (T) ois.readObject(); |
1778 |
+ |
if (o == clone) assertImmutable(o); |
1779 |
|
assertSame(o.getClass(), clone.getClass()); |
1780 |
|
return clone; |
1781 |
|
} catch (Throwable fail) { |
1784 |
|
} |
1785 |
|
} |
1786 |
|
|
1787 |
+ |
/** |
1788 |
+ |
* A version of serialClone that leaves error handling (for |
1789 |
+ |
* e.g. NotSerializableException) up to the caller. |
1790 |
+ |
*/ |
1791 |
+ |
@SuppressWarnings("unchecked") |
1792 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1793 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1794 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1795 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1796 |
+ |
oos.writeObject(o); |
1797 |
+ |
oos.flush(); |
1798 |
+ |
oos.close(); |
1799 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1800 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1801 |
+ |
T clone = (T) ois.readObject(); |
1802 |
+ |
if (o == clone) assertImmutable(o); |
1803 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1804 |
+ |
return clone; |
1805 |
+ |
} |
1806 |
+ |
|
1807 |
+ |
/** |
1808 |
+ |
* If o implements Cloneable and has a public clone method, |
1809 |
+ |
* returns a clone of o, else null. |
1810 |
+ |
*/ |
1811 |
+ |
@SuppressWarnings("unchecked") |
1812 |
+ |
<T> T cloneableClone(T o) { |
1813 |
+ |
if (!(o instanceof Cloneable)) return null; |
1814 |
+ |
final T clone; |
1815 |
+ |
try { |
1816 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1817 |
+ |
} catch (NoSuchMethodException ok) { |
1818 |
+ |
return null; |
1819 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1820 |
+ |
throw new Error(unexpected); |
1821 |
+ |
} |
1822 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1823 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1824 |
+ |
return clone; |
1825 |
+ |
} |
1826 |
+ |
|
1827 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1828 |
|
Runnable... throwingActions) { |
1829 |
|
for (Runnable throwingAction : throwingActions) { |
1831 |
|
try { throwingAction.run(); } |
1832 |
|
catch (Throwable t) { |
1833 |
|
threw = true; |
1834 |
< |
if (!expectedExceptionClass.isInstance(t)) { |
1835 |
< |
AssertionFailedError afe = |
1836 |
< |
new AssertionFailedError |
1837 |
< |
("Expected " + expectedExceptionClass.getName() + |
1838 |
< |
", got " + t.getClass().getName()); |
1624 |
< |
afe.initCause(t); |
1625 |
< |
threadUnexpectedException(afe); |
1626 |
< |
} |
1834 |
> |
if (!expectedExceptionClass.isInstance(t)) |
1835 |
> |
throw new AssertionError( |
1836 |
> |
"Expected " + expectedExceptionClass.getName() + |
1837 |
> |
", got " + t.getClass().getName(), |
1838 |
> |
t); |
1839 |
|
} |
1840 |
|
if (!threw) |
1841 |
|
shouldThrow(expectedExceptionClass.getName()); |
1849 |
|
} catch (NoSuchElementException success) {} |
1850 |
|
assertFalse(it.hasNext()); |
1851 |
|
} |
1852 |
+ |
|
1853 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1854 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1855 |
+ |
} |
1856 |
+ |
|
1857 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1858 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1859 |
+ |
} |
1860 |
+ |
|
1861 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1862 |
+ |
static final ExecutorService cachedThreadPool = |
1863 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1864 |
+ |
1000L, MILLISECONDS, |
1865 |
+ |
new SynchronousQueue<Runnable>()); |
1866 |
+ |
|
1867 |
+ |
static <T> void shuffle(T[] array) { |
1868 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1869 |
+ |
} |
1870 |
+ |
|
1871 |
+ |
/** |
1872 |
+ |
* Returns the same String as would be returned by {@link |
1873 |
+ |
* Object#toString}, whether or not the given object's class |
1874 |
+ |
* overrides toString(). |
1875 |
+ |
* |
1876 |
+ |
* @see System#identityHashCode |
1877 |
+ |
*/ |
1878 |
+ |
static String identityString(Object x) { |
1879 |
+ |
return x.getClass().getName() |
1880 |
+ |
+ "@" + Integer.toHexString(System.identityHashCode(x)); |
1881 |
+ |
} |
1882 |
+ |
|
1883 |
+ |
// --- Shared assertions for Executor tests --- |
1884 |
+ |
|
1885 |
+ |
/** |
1886 |
+ |
* Returns maximum number of tasks that can be submitted to given |
1887 |
+ |
* pool (with bounded queue) before saturation (when submission |
1888 |
+ |
* throws RejectedExecutionException). |
1889 |
+ |
*/ |
1890 |
+ |
static final int saturatedSize(ThreadPoolExecutor pool) { |
1891 |
+ |
BlockingQueue<Runnable> q = pool.getQueue(); |
1892 |
+ |
return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity(); |
1893 |
+ |
} |
1894 |
+ |
|
1895 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1896 |
+ |
void assertNullTaskSubmissionThrowsNullPointerException(Executor e) { |
1897 |
+ |
try { |
1898 |
+ |
e.execute((Runnable) null); |
1899 |
+ |
shouldThrow(); |
1900 |
+ |
} catch (NullPointerException success) {} |
1901 |
+ |
|
1902 |
+ |
if (! (e instanceof ExecutorService)) return; |
1903 |
+ |
ExecutorService es = (ExecutorService) e; |
1904 |
+ |
try { |
1905 |
+ |
es.submit((Runnable) null); |
1906 |
+ |
shouldThrow(); |
1907 |
+ |
} catch (NullPointerException success) {} |
1908 |
+ |
try { |
1909 |
+ |
es.submit((Runnable) null, Boolean.TRUE); |
1910 |
+ |
shouldThrow(); |
1911 |
+ |
} catch (NullPointerException success) {} |
1912 |
+ |
try { |
1913 |
+ |
es.submit((Callable) null); |
1914 |
+ |
shouldThrow(); |
1915 |
+ |
} catch (NullPointerException success) {} |
1916 |
+ |
|
1917 |
+ |
if (! (e instanceof ScheduledExecutorService)) return; |
1918 |
+ |
ScheduledExecutorService ses = (ScheduledExecutorService) e; |
1919 |
+ |
try { |
1920 |
+ |
ses.schedule((Runnable) null, |
1921 |
+ |
randomTimeout(), randomTimeUnit()); |
1922 |
+ |
shouldThrow(); |
1923 |
+ |
} catch (NullPointerException success) {} |
1924 |
+ |
try { |
1925 |
+ |
ses.schedule((Callable) null, |
1926 |
+ |
randomTimeout(), randomTimeUnit()); |
1927 |
+ |
shouldThrow(); |
1928 |
+ |
} catch (NullPointerException success) {} |
1929 |
+ |
try { |
1930 |
+ |
ses.scheduleAtFixedRate((Runnable) null, |
1931 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1932 |
+ |
shouldThrow(); |
1933 |
+ |
} catch (NullPointerException success) {} |
1934 |
+ |
try { |
1935 |
+ |
ses.scheduleWithFixedDelay((Runnable) null, |
1936 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1937 |
+ |
shouldThrow(); |
1938 |
+ |
} catch (NullPointerException success) {} |
1939 |
+ |
} |
1940 |
+ |
|
1941 |
+ |
void setRejectedExecutionHandler( |
1942 |
+ |
ThreadPoolExecutor p, RejectedExecutionHandler handler) { |
1943 |
+ |
p.setRejectedExecutionHandler(handler); |
1944 |
+ |
assertSame(handler, p.getRejectedExecutionHandler()); |
1945 |
+ |
} |
1946 |
+ |
|
1947 |
+ |
void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) { |
1948 |
+ |
final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler(); |
1949 |
+ |
final long savedTaskCount = p.getTaskCount(); |
1950 |
+ |
final long savedCompletedTaskCount = p.getCompletedTaskCount(); |
1951 |
+ |
final int savedQueueSize = p.getQueue().size(); |
1952 |
+ |
final boolean stock = (p.getClass().getClassLoader() == null); |
1953 |
+ |
|
1954 |
+ |
Runnable r = () -> {}; |
1955 |
+ |
Callable<Boolean> c = () -> Boolean.TRUE; |
1956 |
+ |
|
1957 |
+ |
class Recorder implements RejectedExecutionHandler { |
1958 |
+ |
public volatile Runnable r = null; |
1959 |
+ |
public volatile ThreadPoolExecutor p = null; |
1960 |
+ |
public void reset() { r = null; p = null; } |
1961 |
+ |
public void rejectedExecution(Runnable r, ThreadPoolExecutor p) { |
1962 |
+ |
assertNull(this.r); |
1963 |
+ |
assertNull(this.p); |
1964 |
+ |
this.r = r; |
1965 |
+ |
this.p = p; |
1966 |
+ |
} |
1967 |
+ |
} |
1968 |
+ |
|
1969 |
+ |
// check custom handler is invoked exactly once per task |
1970 |
+ |
Recorder recorder = new Recorder(); |
1971 |
+ |
setRejectedExecutionHandler(p, recorder); |
1972 |
+ |
for (int i = 2; i--> 0; ) { |
1973 |
+ |
recorder.reset(); |
1974 |
+ |
p.execute(r); |
1975 |
+ |
if (stock && p.getClass() == ThreadPoolExecutor.class) |
1976 |
+ |
assertSame(r, recorder.r); |
1977 |
+ |
assertSame(p, recorder.p); |
1978 |
+ |
|
1979 |
+ |
recorder.reset(); |
1980 |
+ |
assertFalse(p.submit(r).isDone()); |
1981 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1982 |
+ |
assertSame(p, recorder.p); |
1983 |
+ |
|
1984 |
+ |
recorder.reset(); |
1985 |
+ |
assertFalse(p.submit(r, Boolean.TRUE).isDone()); |
1986 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1987 |
+ |
assertSame(p, recorder.p); |
1988 |
+ |
|
1989 |
+ |
recorder.reset(); |
1990 |
+ |
assertFalse(p.submit(c).isDone()); |
1991 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1992 |
+ |
assertSame(p, recorder.p); |
1993 |
+ |
|
1994 |
+ |
if (p instanceof ScheduledExecutorService) { |
1995 |
+ |
ScheduledExecutorService s = (ScheduledExecutorService) p; |
1996 |
+ |
ScheduledFuture<?> future; |
1997 |
+ |
|
1998 |
+ |
recorder.reset(); |
1999 |
+ |
future = s.schedule(r, randomTimeout(), randomTimeUnit()); |
2000 |
+ |
assertFalse(future.isDone()); |
2001 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2002 |
+ |
assertSame(p, recorder.p); |
2003 |
+ |
|
2004 |
+ |
recorder.reset(); |
2005 |
+ |
future = s.schedule(c, randomTimeout(), randomTimeUnit()); |
2006 |
+ |
assertFalse(future.isDone()); |
2007 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2008 |
+ |
assertSame(p, recorder.p); |
2009 |
+ |
|
2010 |
+ |
recorder.reset(); |
2011 |
+ |
future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2012 |
+ |
assertFalse(future.isDone()); |
2013 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2014 |
+ |
assertSame(p, recorder.p); |
2015 |
+ |
|
2016 |
+ |
recorder.reset(); |
2017 |
+ |
future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2018 |
+ |
assertFalse(future.isDone()); |
2019 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2020 |
+ |
assertSame(p, recorder.p); |
2021 |
+ |
} |
2022 |
+ |
} |
2023 |
+ |
|
2024 |
+ |
// Checking our custom handler above should be sufficient, but |
2025 |
+ |
// we add some integration tests of standard handlers. |
2026 |
+ |
final AtomicReference<Thread> thread = new AtomicReference<>(); |
2027 |
+ |
final Runnable setThread = () -> thread.set(Thread.currentThread()); |
2028 |
+ |
|
2029 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy()); |
2030 |
+ |
try { |
2031 |
+ |
p.execute(setThread); |
2032 |
+ |
shouldThrow(); |
2033 |
+ |
} catch (RejectedExecutionException success) {} |
2034 |
+ |
assertNull(thread.get()); |
2035 |
+ |
|
2036 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy()); |
2037 |
+ |
p.execute(setThread); |
2038 |
+ |
assertNull(thread.get()); |
2039 |
+ |
|
2040 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy()); |
2041 |
+ |
p.execute(setThread); |
2042 |
+ |
if (p.isShutdown()) |
2043 |
+ |
assertNull(thread.get()); |
2044 |
+ |
else |
2045 |
+ |
assertSame(Thread.currentThread(), thread.get()); |
2046 |
+ |
|
2047 |
+ |
setRejectedExecutionHandler(p, savedHandler); |
2048 |
+ |
|
2049 |
+ |
// check that pool was not perturbed by handlers |
2050 |
+ |
assertEquals(savedTaskCount, p.getTaskCount()); |
2051 |
+ |
assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount()); |
2052 |
+ |
assertEquals(savedQueueSize, p.getQueue().size()); |
2053 |
+ |
} |
2054 |
|
} |