1 |
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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 |
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< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
8 |
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|
9 |
– |
import junit.framework.*; |
10 |
– |
import java.util.PropertyPermission; |
11 |
– |
import java.util.concurrent.*; |
12 |
– |
import java.util.concurrent.atomic.AtomicReference; |
9 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
+ |
|
12 |
+ |
import java.io.ByteArrayInputStream; |
13 |
+ |
import java.io.ByteArrayOutputStream; |
14 |
+ |
import java.io.ObjectInputStream; |
15 |
+ |
import java.io.ObjectOutputStream; |
16 |
+ |
import java.lang.management.ManagementFactory; |
17 |
+ |
import java.lang.management.ThreadInfo; |
18 |
+ |
import java.lang.reflect.Method; |
19 |
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import java.security.CodeSource; |
20 |
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import java.security.Permission; |
21 |
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import java.security.PermissionCollection; |
23 |
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import java.security.Policy; |
24 |
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import java.security.ProtectionDomain; |
25 |
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import java.security.SecurityPermission; |
26 |
+ |
import java.util.ArrayList; |
27 |
+ |
import java.util.Arrays; |
28 |
+ |
import java.util.Date; |
29 |
+ |
import java.util.Enumeration; |
30 |
+ |
import java.util.List; |
31 |
+ |
import java.util.NoSuchElementException; |
32 |
+ |
import java.util.PropertyPermission; |
33 |
+ |
import java.util.concurrent.BlockingQueue; |
34 |
+ |
import java.util.concurrent.Callable; |
35 |
+ |
import java.util.concurrent.CountDownLatch; |
36 |
+ |
import java.util.concurrent.CyclicBarrier; |
37 |
+ |
import java.util.concurrent.ExecutorService; |
38 |
+ |
import java.util.concurrent.Future; |
39 |
+ |
import java.util.concurrent.RecursiveAction; |
40 |
+ |
import java.util.concurrent.RecursiveTask; |
41 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
42 |
+ |
import java.util.concurrent.Semaphore; |
43 |
+ |
import java.util.concurrent.ThreadFactory; |
44 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
45 |
+ |
import java.util.concurrent.TimeoutException; |
46 |
+ |
import java.util.concurrent.atomic.AtomicReference; |
47 |
+ |
import java.util.regex.Pattern; |
48 |
+ |
|
49 |
+ |
import junit.framework.AssertionFailedError; |
50 |
+ |
import junit.framework.Test; |
51 |
+ |
import junit.framework.TestCase; |
52 |
+ |
import junit.framework.TestSuite; |
53 |
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|
54 |
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/** |
55 |
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* Base class for JSR166 Junit TCK tests. Defines some constants, |
92 |
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* |
93 |
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* </ol> |
94 |
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* |
95 |
< |
* <p> <b>Other notes</b> |
95 |
> |
* <p><b>Other notes</b> |
96 |
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* <ul> |
97 |
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* |
98 |
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* <li> Usually, there is one testcase method per JSR166 method |
132 |
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Boolean.getBoolean("jsr166.expensiveTests"); |
133 |
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|
134 |
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/** |
135 |
+ |
* If true, also run tests that are not part of the official tck |
136 |
+ |
* because they test unspecified implementation details. |
137 |
+ |
*/ |
138 |
+ |
protected static final boolean testImplementationDetails = |
139 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
140 |
+ |
|
141 |
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/** |
142 |
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* If true, report on stdout all "slow" tests, that is, ones that |
143 |
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* take more than profileThreshold milliseconds to execute. |
144 |
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*/ |
152 |
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private static final long profileThreshold = |
153 |
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Long.getLong("jsr166.profileThreshold", 100); |
154 |
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|
155 |
+ |
/** |
156 |
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* The number of repetitions per test (for tickling rare bugs). |
157 |
+ |
*/ |
158 |
+ |
private static final int runsPerTest = |
159 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
160 |
+ |
|
161 |
+ |
/** |
162 |
+ |
* A filter for tests to run, matching strings of the form |
163 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
164 |
+ |
* Usefully combined with jsr166.runsPerTest. |
165 |
+ |
*/ |
166 |
+ |
private static final Pattern methodFilter = methodFilter(); |
167 |
+ |
|
168 |
+ |
private static Pattern methodFilter() { |
169 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
170 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
171 |
+ |
} |
172 |
+ |
|
173 |
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protected void runTest() throws Throwable { |
174 |
< |
if (profileTests) |
175 |
< |
runTestProfiled(); |
176 |
< |
else |
177 |
< |
super.runTest(); |
174 |
> |
if (methodFilter == null |
175 |
> |
|| methodFilter.matcher(toString()).find()) { |
176 |
> |
for (int i = 0; i < runsPerTest; i++) { |
177 |
> |
if (profileTests) |
178 |
> |
runTestProfiled(); |
179 |
> |
else |
180 |
> |
super.runTest(); |
181 |
> |
} |
182 |
> |
} |
183 |
|
} |
184 |
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|
185 |
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protected void runTestProfiled() throws Throwable { |
186 |
+ |
// Warmup run, notably to trigger all needed classloading. |
187 |
+ |
super.runTest(); |
188 |
|
long t0 = System.nanoTime(); |
189 |
|
try { |
190 |
|
super.runTest(); |
191 |
|
} finally { |
192 |
< |
long elapsedMillis = |
130 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
192 |
> |
long elapsedMillis = millisElapsedSince(t0); |
193 |
|
if (elapsedMillis >= profileThreshold) |
194 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
195 |
|
} |
196 |
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} |
197 |
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|
198 |
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/** |
199 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
199 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
200 |
> |
* Optional command line arg provides the number of iterations to |
201 |
> |
* repeat running the tests. |
202 |
|
*/ |
203 |
|
public static void main(String[] args) { |
204 |
|
if (useSecurityManager) { |
230 |
|
return suite; |
231 |
|
} |
232 |
|
|
233 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
234 |
+ |
String... testClassNames) { |
235 |
+ |
for (String testClassName : testClassNames) { |
236 |
+ |
try { |
237 |
+ |
Class<?> testClass = Class.forName(testClassName); |
238 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
239 |
+ |
new Class<?>[0]); |
240 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
241 |
+ |
} catch (Exception e) { |
242 |
+ |
throw new Error("Missing test class", e); |
243 |
+ |
} |
244 |
+ |
} |
245 |
+ |
} |
246 |
+ |
|
247 |
+ |
public static final double JAVA_CLASS_VERSION; |
248 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
249 |
+ |
static { |
250 |
+ |
try { |
251 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
252 |
+ |
new java.security.PrivilegedAction<Double>() { |
253 |
+ |
public Double run() { |
254 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
255 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
256 |
+ |
new java.security.PrivilegedAction<String>() { |
257 |
+ |
public String run() { |
258 |
+ |
return System.getProperty("java.specification.version");}}); |
259 |
+ |
} catch (Throwable t) { |
260 |
+ |
throw new Error(t); |
261 |
+ |
} |
262 |
+ |
} |
263 |
+ |
|
264 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
265 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
266 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
267 |
+ |
public static boolean atLeastJava9() { |
268 |
+ |
// As of 2014-05, java9 still uses 52.0 class file version |
269 |
+ |
return JAVA_SPECIFICATION_VERSION.startsWith("1.9"); |
270 |
+ |
} |
271 |
+ |
|
272 |
|
/** |
273 |
|
* Collects all JSR166 unit tests as one suite. |
274 |
|
*/ |
275 |
|
public static Test suite() { |
276 |
< |
return newTestSuite( |
276 |
> |
// Java7+ test classes |
277 |
> |
TestSuite suite = newTestSuite( |
278 |
|
ForkJoinPoolTest.suite(), |
279 |
|
ForkJoinTaskTest.suite(), |
280 |
|
RecursiveActionTest.suite(), |
339 |
|
TreeSetTest.suite(), |
340 |
|
TreeSubMapTest.suite(), |
341 |
|
TreeSubSetTest.suite()); |
342 |
+ |
|
343 |
+ |
// Java8+ test classes |
344 |
+ |
if (atLeastJava8()) { |
345 |
+ |
String[] java8TestClassNames = { |
346 |
+ |
"Atomic8Test", |
347 |
+ |
"CompletableFutureTest", |
348 |
+ |
"ConcurrentHashMap8Test", |
349 |
+ |
"CountedCompleterTest", |
350 |
+ |
"DoubleAccumulatorTest", |
351 |
+ |
"DoubleAdderTest", |
352 |
+ |
"ForkJoinPool8Test", |
353 |
+ |
"ForkJoinTask8Test", |
354 |
+ |
"LongAccumulatorTest", |
355 |
+ |
"LongAdderTest", |
356 |
+ |
"SplittableRandomTest", |
357 |
+ |
"StampedLockTest", |
358 |
+ |
"ThreadLocalRandom8Test", |
359 |
+ |
}; |
360 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
361 |
+ |
} |
362 |
+ |
|
363 |
+ |
// Java9+ test classes |
364 |
+ |
if (atLeastJava9()) { |
365 |
+ |
String[] java9TestClassNames = { |
366 |
+ |
"ThreadPoolExecutor9Test", |
367 |
+ |
}; |
368 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
369 |
+ |
} |
370 |
+ |
|
371 |
+ |
return suite; |
372 |
|
} |
373 |
|
|
374 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
375 |
|
|
376 |
|
public static long SHORT_DELAY_MS; |
377 |
|
public static long SMALL_DELAY_MS; |
378 |
|
public static long MEDIUM_DELAY_MS; |
379 |
|
public static long LONG_DELAY_MS; |
380 |
|
|
246 |
– |
|
381 |
|
/** |
382 |
|
* Returns the shortest timed delay. This could |
383 |
|
* be reimplemented to use for example a Property. |
386 |
|
return 50; |
387 |
|
} |
388 |
|
|
255 |
– |
|
389 |
|
/** |
390 |
|
* Sets delays as multiples of SHORT_DELAY. |
391 |
|
*/ |
393 |
|
SHORT_DELAY_MS = getShortDelay(); |
394 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
395 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
396 |
< |
LONG_DELAY_MS = SHORT_DELAY_MS * 50; |
396 |
> |
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
397 |
> |
} |
398 |
> |
|
399 |
> |
/** |
400 |
> |
* Returns a timeout in milliseconds to be used in tests that |
401 |
> |
* verify that operations block or time out. |
402 |
> |
*/ |
403 |
> |
long timeoutMillis() { |
404 |
> |
return SHORT_DELAY_MS / 4; |
405 |
> |
} |
406 |
> |
|
407 |
> |
/** |
408 |
> |
* Returns a new Date instance representing a time delayMillis |
409 |
> |
* milliseconds in the future. |
410 |
> |
*/ |
411 |
> |
Date delayedDate(long delayMillis) { |
412 |
> |
return new Date(System.currentTimeMillis() + delayMillis); |
413 |
|
} |
414 |
|
|
415 |
|
/** |
433 |
|
} |
434 |
|
|
435 |
|
/** |
436 |
+ |
* Extra checks that get done for all test cases. |
437 |
+ |
* |
438 |
|
* Triggers test case failure if any thread assertions have failed, |
439 |
|
* by rethrowing, in the test harness thread, any exception recorded |
440 |
|
* earlier by threadRecordFailure. |
441 |
+ |
* |
442 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
443 |
|
*/ |
444 |
|
public void tearDown() throws Exception { |
445 |
|
Throwable t = threadFailure.getAndSet(null); |
457 |
|
throw afe; |
458 |
|
} |
459 |
|
} |
460 |
+ |
|
461 |
+ |
if (Thread.interrupted()) |
462 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
463 |
+ |
|
464 |
+ |
checkForkJoinPoolThreadLeaks(); |
465 |
+ |
} |
466 |
+ |
|
467 |
+ |
/** |
468 |
+ |
* Find missing try { ... } finally { joinPool(e); } |
469 |
+ |
*/ |
470 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
471 |
+ |
Thread[] survivors = new Thread[5]; |
472 |
+ |
int count = Thread.enumerate(survivors); |
473 |
+ |
for (int i = 0; i < count; i++) { |
474 |
+ |
Thread thread = survivors[i]; |
475 |
+ |
String name = thread.getName(); |
476 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
477 |
+ |
// give thread some time to terminate |
478 |
+ |
thread.join(LONG_DELAY_MS); |
479 |
+ |
if (!thread.isAlive()) continue; |
480 |
+ |
thread.stop(); |
481 |
+ |
throw new AssertionFailedError |
482 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
483 |
+ |
toString(), name)); |
484 |
+ |
} |
485 |
+ |
} |
486 |
|
} |
487 |
|
|
488 |
|
/** |
614 |
|
else { |
615 |
|
AssertionFailedError afe = |
616 |
|
new AssertionFailedError("unexpected exception: " + t); |
617 |
< |
t.initCause(t); |
617 |
> |
afe.initCause(t); |
618 |
|
throw afe; |
619 |
|
} |
620 |
|
} |
621 |
|
|
622 |
|
/** |
623 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
624 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
625 |
+ |
* until time elapses. |
626 |
+ |
*/ |
627 |
+ |
static void delay(long millis) throws InterruptedException { |
628 |
+ |
long startTime = System.nanoTime(); |
629 |
+ |
long ns = millis * 1000 * 1000; |
630 |
+ |
for (;;) { |
631 |
+ |
if (millis > 0L) |
632 |
+ |
Thread.sleep(millis); |
633 |
+ |
else // too short to sleep |
634 |
+ |
Thread.yield(); |
635 |
+ |
long d = ns - (System.nanoTime() - startTime); |
636 |
+ |
if (d > 0L) |
637 |
+ |
millis = d / (1000 * 1000); |
638 |
+ |
else |
639 |
+ |
break; |
640 |
+ |
} |
641 |
+ |
} |
642 |
+ |
|
643 |
+ |
/** |
644 |
|
* Waits out termination of a thread pool or fails doing so. |
645 |
|
*/ |
646 |
< |
public void joinPool(ExecutorService exec) { |
646 |
> |
void joinPool(ExecutorService exec) { |
647 |
|
try { |
648 |
|
exec.shutdown(); |
649 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
650 |
< |
exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
649 |
> |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
650 |
> |
fail("ExecutorService " + exec + |
651 |
> |
" did not terminate in a timely manner"); |
652 |
|
} catch (SecurityException ok) { |
653 |
|
// Allowed in case test doesn't have privs |
654 |
|
} catch (InterruptedException ie) { |
656 |
|
} |
657 |
|
} |
658 |
|
|
659 |
+ |
/** |
660 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
661 |
+ |
*/ |
662 |
+ |
static void printAllStackTraces() { |
663 |
+ |
for (ThreadInfo info : |
664 |
+ |
ManagementFactory.getThreadMXBean() |
665 |
+ |
.dumpAllThreads(true, true)) |
666 |
+ |
System.err.print(info); |
667 |
+ |
} |
668 |
+ |
|
669 |
+ |
/** |
670 |
+ |
* Checks that thread does not terminate within the default |
671 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
672 |
+ |
*/ |
673 |
+ |
void assertThreadStaysAlive(Thread thread) { |
674 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
675 |
+ |
} |
676 |
+ |
|
677 |
+ |
/** |
678 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
679 |
+ |
*/ |
680 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
681 |
+ |
try { |
682 |
+ |
// No need to optimize the failing case via Thread.join. |
683 |
+ |
delay(millis); |
684 |
+ |
assertTrue(thread.isAlive()); |
685 |
+ |
} catch (InterruptedException ie) { |
686 |
+ |
fail("Unexpected InterruptedException"); |
687 |
+ |
} |
688 |
+ |
} |
689 |
+ |
|
690 |
+ |
/** |
691 |
+ |
* Checks that the threads do not terminate within the default |
692 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
693 |
+ |
*/ |
694 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
695 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
696 |
+ |
} |
697 |
+ |
|
698 |
+ |
/** |
699 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
700 |
+ |
*/ |
701 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
702 |
+ |
try { |
703 |
+ |
// No need to optimize the failing case via Thread.join. |
704 |
+ |
delay(millis); |
705 |
+ |
for (Thread thread : threads) |
706 |
+ |
assertTrue(thread.isAlive()); |
707 |
+ |
} catch (InterruptedException ie) { |
708 |
+ |
fail("Unexpected InterruptedException"); |
709 |
+ |
} |
710 |
+ |
} |
711 |
+ |
|
712 |
+ |
/** |
713 |
+ |
* Checks that future.get times out, with the default timeout of |
714 |
+ |
* {@code timeoutMillis()}. |
715 |
+ |
*/ |
716 |
+ |
void assertFutureTimesOut(Future future) { |
717 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
718 |
+ |
} |
719 |
+ |
|
720 |
+ |
/** |
721 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
722 |
+ |
*/ |
723 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
724 |
+ |
long startTime = System.nanoTime(); |
725 |
+ |
try { |
726 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
727 |
+ |
shouldThrow(); |
728 |
+ |
} catch (TimeoutException success) { |
729 |
+ |
} catch (Exception e) { |
730 |
+ |
threadUnexpectedException(e); |
731 |
+ |
} finally { future.cancel(true); } |
732 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
733 |
+ |
} |
734 |
|
|
735 |
|
/** |
736 |
|
* Fails with message "should throw exception". |
771 |
|
public static final Integer m6 = new Integer(-6); |
772 |
|
public static final Integer m10 = new Integer(-10); |
773 |
|
|
498 |
– |
|
774 |
|
/** |
775 |
|
* Runs Runnable r with a security policy that permits precisely |
776 |
|
* the specified permissions. If there is no current security |
782 |
|
SecurityManager sm = System.getSecurityManager(); |
783 |
|
if (sm == null) { |
784 |
|
r.run(); |
785 |
+ |
} |
786 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
787 |
+ |
} |
788 |
+ |
|
789 |
+ |
/** |
790 |
+ |
* Runs Runnable r with a security policy that permits precisely |
791 |
+ |
* the specified permissions. If there is no current security |
792 |
+ |
* manager, a temporary one is set for the duration of the |
793 |
+ |
* Runnable. We require that any security manager permit |
794 |
+ |
* getPolicy/setPolicy. |
795 |
+ |
*/ |
796 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
797 |
+ |
Permission... permissions) { |
798 |
+ |
SecurityManager sm = System.getSecurityManager(); |
799 |
+ |
if (sm == null) { |
800 |
|
Policy savedPolicy = Policy.getPolicy(); |
801 |
|
try { |
802 |
|
Policy.setPolicy(permissivePolicy()); |
803 |
|
System.setSecurityManager(new SecurityManager()); |
804 |
< |
runWithPermissions(r, permissions); |
804 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
805 |
|
} finally { |
806 |
|
System.setSecurityManager(null); |
807 |
|
Policy.setPolicy(savedPolicy); |
849 |
|
return perms.implies(p); |
850 |
|
} |
851 |
|
public void refresh() {} |
852 |
+ |
public String toString() { |
853 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
854 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
855 |
+ |
ps.add(e.nextElement()); |
856 |
+ |
return "AdjustablePolicy with permissions " + ps; |
857 |
+ |
} |
858 |
|
} |
859 |
|
|
860 |
|
/** |
882 |
|
*/ |
883 |
|
void sleep(long millis) { |
884 |
|
try { |
885 |
< |
Thread.sleep(millis); |
885 |
> |
delay(millis); |
886 |
|
} catch (InterruptedException ie) { |
887 |
|
AssertionFailedError afe = |
888 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
892 |
|
} |
893 |
|
|
894 |
|
/** |
895 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
600 |
< |
* Does <em>NOT</em> throw InterruptedException. |
601 |
< |
*/ |
602 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
603 |
< |
try { |
604 |
< |
Thread.sleep(timeoutMillis); |
605 |
< |
} catch (InterruptedException wakeup) {} |
606 |
< |
} |
607 |
< |
|
608 |
< |
/** |
609 |
< |
* Waits up to the specified number of milliseconds for the given |
895 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
896 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
897 |
|
*/ |
898 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
899 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
614 |
< |
long t0 = System.nanoTime(); |
899 |
> |
long startTime = System.nanoTime(); |
900 |
|
for (;;) { |
901 |
|
Thread.State s = thread.getState(); |
902 |
|
if (s == Thread.State.BLOCKED || |
905 |
|
return; |
906 |
|
else if (s == Thread.State.TERMINATED) |
907 |
|
fail("Unexpected thread termination"); |
908 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
908 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
909 |
|
threadAssertTrue(thread.isAlive()); |
910 |
|
return; |
911 |
|
} |
914 |
|
} |
915 |
|
|
916 |
|
/** |
917 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
918 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
919 |
+ |
*/ |
920 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
921 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
922 |
+ |
} |
923 |
+ |
|
924 |
+ |
/** |
925 |
|
* Returns the number of milliseconds since time given by |
926 |
|
* startNanoTime, which must have been previously returned from a |
927 |
< |
* call to {@link System.nanoTime()}. |
927 |
> |
* call to {@link System#nanoTime()}. |
928 |
|
*/ |
929 |
< |
long millisElapsedSince(long startNanoTime) { |
929 |
> |
static long millisElapsedSince(long startNanoTime) { |
930 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
931 |
|
} |
932 |
|
|
933 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
934 |
+ |
// long startTime = System.nanoTime(); |
935 |
+ |
// try { |
936 |
+ |
// r.run(); |
937 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
938 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
939 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
940 |
+ |
// } |
941 |
+ |
|
942 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
943 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
944 |
+ |
// } |
945 |
+ |
|
946 |
+ |
/** |
947 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
948 |
+ |
* wait for the timeout to elapse before returning. |
949 |
+ |
*/ |
950 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
951 |
+ |
long startTime = System.nanoTime(); |
952 |
+ |
try { |
953 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
954 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
955 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
956 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
957 |
+ |
} |
958 |
+ |
|
959 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
960 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
961 |
+ |
} |
962 |
+ |
|
963 |
|
/** |
964 |
|
* Returns a new started daemon Thread running the given runnable. |
965 |
|
*/ |
981 |
|
} catch (InterruptedException ie) { |
982 |
|
threadUnexpectedException(ie); |
983 |
|
} finally { |
984 |
< |
if (t.isAlive()) { |
984 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
985 |
|
t.interrupt(); |
986 |
|
fail("Test timed out"); |
987 |
|
} |
988 |
|
} |
989 |
|
} |
990 |
|
|
991 |
+ |
/** |
992 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
993 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
994 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
995 |
+ |
*/ |
996 |
+ |
void awaitTermination(Thread t) { |
997 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
998 |
+ |
} |
999 |
+ |
|
1000 |
|
// Some convenient Runnable classes |
1001 |
|
|
1002 |
|
public abstract class CheckedRunnable implements Runnable { |
1059 |
|
realRun(); |
1060 |
|
threadShouldThrow("InterruptedException"); |
1061 |
|
} catch (InterruptedException success) { |
1062 |
+ |
threadAssertFalse(Thread.interrupted()); |
1063 |
|
} catch (Throwable t) { |
1064 |
|
threadUnexpectedException(t); |
1065 |
|
} |
1089 |
|
threadShouldThrow("InterruptedException"); |
1090 |
|
return result; |
1091 |
|
} catch (InterruptedException success) { |
1092 |
+ |
threadAssertFalse(Thread.interrupted()); |
1093 |
|
} catch (Throwable t) { |
1094 |
|
threadUnexpectedException(t); |
1095 |
|
} |
1121 |
|
}}; |
1122 |
|
} |
1123 |
|
|
1124 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1125 |
+ |
return new CheckedRunnable() { |
1126 |
+ |
public void realRun() throws InterruptedException { |
1127 |
+ |
await(latch); |
1128 |
+ |
}}; |
1129 |
+ |
} |
1130 |
+ |
|
1131 |
+ |
public void await(CountDownLatch latch) { |
1132 |
+ |
try { |
1133 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1134 |
+ |
} catch (Throwable t) { |
1135 |
+ |
threadUnexpectedException(t); |
1136 |
+ |
} |
1137 |
+ |
} |
1138 |
+ |
|
1139 |
+ |
public void await(Semaphore semaphore) { |
1140 |
+ |
try { |
1141 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1142 |
+ |
} catch (Throwable t) { |
1143 |
+ |
threadUnexpectedException(t); |
1144 |
+ |
} |
1145 |
+ |
} |
1146 |
+ |
|
1147 |
+ |
// /** |
1148 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1149 |
+ |
// */ |
1150 |
+ |
// public void await(AtomicBoolean flag) { |
1151 |
+ |
// await(flag, LONG_DELAY_MS); |
1152 |
+ |
// } |
1153 |
+ |
|
1154 |
+ |
// /** |
1155 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1156 |
+ |
// */ |
1157 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1158 |
+ |
// long startTime = System.nanoTime(); |
1159 |
+ |
// while (!flag.get()) { |
1160 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1161 |
+ |
// throw new AssertionFailedError("timed out"); |
1162 |
+ |
// Thread.yield(); |
1163 |
+ |
// } |
1164 |
+ |
// } |
1165 |
+ |
|
1166 |
|
public static class NPETask implements Callable<String> { |
1167 |
|
public String call() { throw new NullPointerException(); } |
1168 |
|
} |
1173 |
|
|
1174 |
|
public class ShortRunnable extends CheckedRunnable { |
1175 |
|
protected void realRun() throws Throwable { |
1176 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1176 |
> |
delay(SHORT_DELAY_MS); |
1177 |
|
} |
1178 |
|
} |
1179 |
|
|
1180 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1181 |
|
protected void realRun() throws InterruptedException { |
1182 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1182 |
> |
delay(SHORT_DELAY_MS); |
1183 |
|
} |
1184 |
|
} |
1185 |
|
|
1186 |
|
public class SmallRunnable extends CheckedRunnable { |
1187 |
|
protected void realRun() throws Throwable { |
1188 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1188 |
> |
delay(SMALL_DELAY_MS); |
1189 |
|
} |
1190 |
|
} |
1191 |
|
|
1192 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1193 |
|
protected void realRun() { |
1194 |
|
try { |
1195 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1195 |
> |
delay(SMALL_DELAY_MS); |
1196 |
|
} catch (InterruptedException ok) {} |
1197 |
|
} |
1198 |
|
} |
1199 |
|
|
1200 |
|
public class SmallCallable extends CheckedCallable { |
1201 |
|
protected Object realCall() throws InterruptedException { |
1202 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1202 |
> |
delay(SMALL_DELAY_MS); |
1203 |
|
return Boolean.TRUE; |
1204 |
|
} |
1205 |
|
} |
1206 |
|
|
1207 |
|
public class MediumRunnable extends CheckedRunnable { |
1208 |
|
protected void realRun() throws Throwable { |
1209 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1209 |
> |
delay(MEDIUM_DELAY_MS); |
1210 |
|
} |
1211 |
|
} |
1212 |
|
|
1213 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1214 |
|
protected void realRun() throws InterruptedException { |
1215 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1215 |
> |
delay(MEDIUM_DELAY_MS); |
1216 |
|
} |
1217 |
|
} |
1218 |
|
|
1220 |
|
return new CheckedRunnable() { |
1221 |
|
protected void realRun() { |
1222 |
|
try { |
1223 |
< |
Thread.sleep(timeoutMillis); |
1223 |
> |
delay(timeoutMillis); |
1224 |
|
} catch (InterruptedException ok) {} |
1225 |
|
}}; |
1226 |
|
} |
1228 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1229 |
|
protected void realRun() { |
1230 |
|
try { |
1231 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1231 |
> |
delay(MEDIUM_DELAY_MS); |
1232 |
|
} catch (InterruptedException ok) {} |
1233 |
|
} |
1234 |
|
} |
1236 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1237 |
|
protected void realRun() { |
1238 |
|
try { |
1239 |
< |
Thread.sleep(LONG_DELAY_MS); |
1239 |
> |
delay(LONG_DELAY_MS); |
1240 |
|
} catch (InterruptedException ok) {} |
1241 |
|
} |
1242 |
|
} |
1260 |
|
public boolean isDone() { return done; } |
1261 |
|
public void run() { |
1262 |
|
try { |
1263 |
< |
Thread.sleep(timeoutMillis); |
1263 |
> |
delay(timeoutMillis); |
1264 |
|
done = true; |
1265 |
|
} catch (InterruptedException ok) {} |
1266 |
|
} |
1271 |
|
public volatile boolean done = false; |
1272 |
|
public void run() { |
1273 |
|
try { |
1274 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1274 |
> |
delay(SHORT_DELAY_MS); |
1275 |
|
done = true; |
1276 |
|
} catch (InterruptedException ok) {} |
1277 |
|
} |
1281 |
|
public volatile boolean done = false; |
1282 |
|
public void run() { |
1283 |
|
try { |
1284 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1284 |
> |
delay(SMALL_DELAY_MS); |
1285 |
|
done = true; |
1286 |
|
} catch (InterruptedException ok) {} |
1287 |
|
} |
1291 |
|
public volatile boolean done = false; |
1292 |
|
public void run() { |
1293 |
|
try { |
1294 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1294 |
> |
delay(MEDIUM_DELAY_MS); |
1295 |
|
done = true; |
1296 |
|
} catch (InterruptedException ok) {} |
1297 |
|
} |
1301 |
|
public volatile boolean done = false; |
1302 |
|
public void run() { |
1303 |
|
try { |
1304 |
< |
Thread.sleep(LONG_DELAY_MS); |
1304 |
> |
delay(LONG_DELAY_MS); |
1305 |
|
done = true; |
1306 |
|
} catch (InterruptedException ok) {} |
1307 |
|
} |
1318 |
|
public volatile boolean done = false; |
1319 |
|
public Object call() { |
1320 |
|
try { |
1321 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1321 |
> |
delay(SMALL_DELAY_MS); |
1322 |
|
done = true; |
1323 |
|
} catch (InterruptedException ok) {} |
1324 |
|
return Boolean.TRUE; |
1331 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1332 |
|
protected abstract void realCompute() throws Throwable; |
1333 |
|
|
1334 |
< |
public final void compute() { |
1334 |
> |
@Override protected final void compute() { |
1335 |
|
try { |
1336 |
|
realCompute(); |
1337 |
|
} catch (Throwable t) { |
1346 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1347 |
|
protected abstract T realCompute() throws Throwable; |
1348 |
|
|
1349 |
< |
public final T compute() { |
1349 |
> |
@Override protected final T compute() { |
1350 |
|
try { |
1351 |
|
return realCompute(); |
1352 |
|
} catch (Throwable t) { |
1365 |
|
} |
1366 |
|
|
1367 |
|
/** |
1368 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1369 |
< |
* of throwing checked exceptions. |
1368 |
> |
* A CyclicBarrier that uses timed await and fails with |
1369 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1370 |
|
*/ |
1371 |
|
public class CheckedBarrier extends CyclicBarrier { |
1372 |
|
public CheckedBarrier(int parties) { super(parties); } |
1373 |
|
|
1374 |
|
public int await() { |
1375 |
|
try { |
1376 |
< |
return super.await(); |
1376 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1377 |
> |
} catch (TimeoutException e) { |
1378 |
> |
throw new AssertionFailedError("timed out"); |
1379 |
|
} catch (Exception e) { |
1380 |
|
AssertionFailedError afe = |
1381 |
|
new AssertionFailedError("Unexpected exception: " + e); |
1385 |
|
} |
1386 |
|
} |
1387 |
|
|
1388 |
+ |
void checkEmpty(BlockingQueue q) { |
1389 |
+ |
try { |
1390 |
+ |
assertTrue(q.isEmpty()); |
1391 |
+ |
assertEquals(0, q.size()); |
1392 |
+ |
assertNull(q.peek()); |
1393 |
+ |
assertNull(q.poll()); |
1394 |
+ |
assertNull(q.poll(0, MILLISECONDS)); |
1395 |
+ |
assertEquals(q.toString(), "[]"); |
1396 |
+ |
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1397 |
+ |
assertFalse(q.iterator().hasNext()); |
1398 |
+ |
try { |
1399 |
+ |
q.element(); |
1400 |
+ |
shouldThrow(); |
1401 |
+ |
} catch (NoSuchElementException success) {} |
1402 |
+ |
try { |
1403 |
+ |
q.iterator().next(); |
1404 |
+ |
shouldThrow(); |
1405 |
+ |
} catch (NoSuchElementException success) {} |
1406 |
+ |
try { |
1407 |
+ |
q.remove(); |
1408 |
+ |
shouldThrow(); |
1409 |
+ |
} catch (NoSuchElementException success) {} |
1410 |
+ |
} catch (InterruptedException ie) { |
1411 |
+ |
threadUnexpectedException(ie); |
1412 |
+ |
} |
1413 |
+ |
} |
1414 |
+ |
|
1415 |
+ |
void assertSerialEquals(Object x, Object y) { |
1416 |
+ |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1417 |
+ |
} |
1418 |
+ |
|
1419 |
+ |
void assertNotSerialEquals(Object x, Object y) { |
1420 |
+ |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1421 |
+ |
} |
1422 |
+ |
|
1423 |
+ |
byte[] serialBytes(Object o) { |
1424 |
+ |
try { |
1425 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1426 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1427 |
+ |
oos.writeObject(o); |
1428 |
+ |
oos.flush(); |
1429 |
+ |
oos.close(); |
1430 |
+ |
return bos.toByteArray(); |
1431 |
+ |
} catch (Throwable t) { |
1432 |
+ |
threadUnexpectedException(t); |
1433 |
+ |
return new byte[0]; |
1434 |
+ |
} |
1435 |
+ |
} |
1436 |
+ |
|
1437 |
+ |
@SuppressWarnings("unchecked") |
1438 |
+ |
<T> T serialClone(T o) { |
1439 |
+ |
try { |
1440 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1441 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1442 |
+ |
T clone = (T) ois.readObject(); |
1443 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1444 |
+ |
return clone; |
1445 |
+ |
} catch (Throwable t) { |
1446 |
+ |
threadUnexpectedException(t); |
1447 |
+ |
return null; |
1448 |
+ |
} |
1449 |
+ |
} |
1450 |
+ |
|
1451 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1452 |
+ |
Runnable... throwingActions) { |
1453 |
+ |
for (Runnable throwingAction : throwingActions) { |
1454 |
+ |
boolean threw = false; |
1455 |
+ |
try { throwingAction.run(); } |
1456 |
+ |
catch (Throwable t) { |
1457 |
+ |
threw = true; |
1458 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1459 |
+ |
AssertionFailedError afe = |
1460 |
+ |
new AssertionFailedError |
1461 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1462 |
+ |
", got " + t.getClass().getName()); |
1463 |
+ |
afe.initCause(t); |
1464 |
+ |
threadUnexpectedException(afe); |
1465 |
+ |
} |
1466 |
+ |
} |
1467 |
+ |
if (!threw) |
1468 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1469 |
+ |
} |
1470 |
+ |
} |
1471 |
|
} |