49 |
|
import java.io.ObjectInputStream; |
50 |
|
import java.io.ObjectOutputStream; |
51 |
|
import java.lang.management.ManagementFactory; |
52 |
+ |
import java.lang.management.LockInfo; |
53 |
|
import java.lang.management.ThreadInfo; |
54 |
|
import java.lang.management.ThreadMXBean; |
55 |
|
import java.lang.reflect.Constructor; |
67 |
|
import java.util.Collection; |
68 |
|
import java.util.Collections; |
69 |
|
import java.util.Date; |
70 |
+ |
import java.util.Deque; |
71 |
|
import java.util.Enumeration; |
72 |
+ |
import java.util.HashSet; |
73 |
|
import java.util.Iterator; |
74 |
|
import java.util.List; |
75 |
|
import java.util.NoSuchElementException; |
76 |
|
import java.util.PropertyPermission; |
77 |
+ |
import java.util.Set; |
78 |
|
import java.util.concurrent.BlockingQueue; |
79 |
|
import java.util.concurrent.Callable; |
80 |
|
import java.util.concurrent.CountDownLatch; |
118 |
|
* |
119 |
|
* <ol> |
120 |
|
* |
121 |
< |
* <li>All assertions in code running in generated threads must use |
122 |
< |
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
123 |
< |
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
124 |
< |
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
125 |
< |
* particularly recommended) for other code to use these forms too. |
126 |
< |
* Only the most typically used JUnit assertion methods are defined |
127 |
< |
* this way, but enough to live with. |
121 |
> |
* <li>All code not running in the main test thread (manually spawned threads |
122 |
> |
* or the common fork join pool) must be checked for failure (and completion!). |
123 |
> |
* Mechanisms that can be used to ensure this are: |
124 |
> |
* <ol> |
125 |
> |
* <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch |
126 |
> |
* that the task completed normally, which is checked before returning from |
127 |
> |
* the test method in the main thread. |
128 |
> |
* <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue}, |
129 |
> |
* or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.) |
130 |
> |
* Only the most typically used JUnit assertion methods are defined |
131 |
> |
* this way, but enough to live with. |
132 |
> |
* <li>Recording failure explicitly using {@link #threadUnexpectedException} |
133 |
> |
* or {@link #threadRecordFailure}. |
134 |
> |
* <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above. |
135 |
> |
* </ol> |
136 |
|
* |
137 |
|
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
138 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
244 |
|
} |
245 |
|
} |
246 |
|
|
247 |
+ |
private static final ThreadMXBean THREAD_MXBEAN |
248 |
+ |
= ManagementFactory.getThreadMXBean(); |
249 |
+ |
|
250 |
|
/** |
251 |
|
* The scaling factor to apply to standard delays used in tests. |
252 |
|
* May be initialized from any of: |
288 |
|
static volatile TestCase currentTestCase; |
289 |
|
// static volatile int currentRun = 0; |
290 |
|
static { |
291 |
< |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
291 |
> |
Runnable wedgedTestDetector = new Runnable() { public void run() { |
292 |
|
// Avoid spurious reports with enormous runsPerTest. |
293 |
|
// A single test case run should never take more than 1 second. |
294 |
|
// But let's cap it at the high end too ... |
295 |
< |
final int timeoutMinutes = |
296 |
< |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
295 |
> |
final int timeoutMinutesMin = Math.max(runsPerTest / 60, 1) |
296 |
> |
* Math.max((int) delayFactor, 1); |
297 |
> |
final int timeoutMinutes = Math.min(15, timeoutMinutesMin); |
298 |
|
for (TestCase lastTestCase = currentTestCase;;) { |
299 |
|
try { MINUTES.sleep(timeoutMinutes); } |
300 |
|
catch (InterruptedException unexpected) { break; } |
314 |
|
} |
315 |
|
lastTestCase = currentTestCase; |
316 |
|
}}}; |
317 |
< |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
317 |
> |
Thread thread = new Thread(wedgedTestDetector, "WedgedTestDetector"); |
318 |
|
thread.setDaemon(true); |
319 |
|
thread.start(); |
320 |
|
} |
358 |
|
// Never report first run of any test; treat it as a |
359 |
|
// warmup run, notably to trigger all needed classloading, |
360 |
|
if (i > 0) |
361 |
< |
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
361 |
> |
System.out.printf("%s: %d%n", toString(), elapsedMillis); |
362 |
|
} |
363 |
|
} |
364 |
|
|
434 |
|
for (String testClassName : testClassNames) { |
435 |
|
try { |
436 |
|
Class<?> testClass = Class.forName(testClassName); |
437 |
< |
Method m = testClass.getDeclaredMethod("suite", |
422 |
< |
new Class<?>[0]); |
437 |
> |
Method m = testClass.getDeclaredMethod("suite"); |
438 |
|
suite.addTest(newTestSuite((Test)m.invoke(null))); |
439 |
< |
} catch (Exception e) { |
440 |
< |
throw new Error("Missing test class", e); |
439 |
> |
} catch (ReflectiveOperationException e) { |
440 |
> |
throw new AssertionError("Missing test class", e); |
441 |
|
} |
442 |
|
} |
443 |
|
} |
464 |
|
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
465 |
|
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
466 |
|
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
467 |
+ |
public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; } |
468 |
+ |
public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; } |
469 |
+ |
public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; } |
470 |
+ |
public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; } |
471 |
+ |
public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; } |
472 |
+ |
public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; } |
473 |
+ |
public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; } |
474 |
|
|
475 |
|
/** |
476 |
|
* Collects all JSR166 unit tests as one suite. |
522 |
|
ExecutorsTest.suite(), |
523 |
|
ExecutorCompletionServiceTest.suite(), |
524 |
|
FutureTaskTest.suite(), |
525 |
+ |
HashtableTest.suite(), |
526 |
|
LinkedBlockingDequeTest.suite(), |
527 |
|
LinkedBlockingQueueTest.suite(), |
528 |
|
LinkedListTest.suite(), |
562 |
|
"HashMapTest", |
563 |
|
"LinkedBlockingDeque8Test", |
564 |
|
"LinkedBlockingQueue8Test", |
565 |
+ |
"LinkedHashMapTest", |
566 |
|
"LongAccumulatorTest", |
567 |
|
"LongAdderTest", |
568 |
|
"SplittableRandomTest", |
623 |
|
for (String methodName : testMethodNames(testClass)) |
624 |
|
suite.addTest((Test) c.newInstance(data, methodName)); |
625 |
|
return suite; |
626 |
< |
} catch (Exception e) { |
627 |
< |
throw new Error(e); |
626 |
> |
} catch (ReflectiveOperationException e) { |
627 |
> |
throw new AssertionError(e); |
628 |
|
} |
629 |
|
} |
630 |
|
|
640 |
|
if (atLeastJava8()) { |
641 |
|
String name = testClass.getName(); |
642 |
|
String name8 = name.replaceAll("Test$", "8Test"); |
643 |
< |
if (name.equals(name8)) throw new Error(name); |
643 |
> |
if (name.equals(name8)) throw new AssertionError(name); |
644 |
|
try { |
645 |
|
return (Test) |
646 |
|
Class.forName(name8) |
647 |
< |
.getMethod("testSuite", new Class[] { dataClass }) |
647 |
> |
.getMethod("testSuite", dataClass) |
648 |
|
.invoke(null, data); |
649 |
< |
} catch (Exception e) { |
650 |
< |
throw new Error(e); |
649 |
> |
} catch (ReflectiveOperationException e) { |
650 |
> |
throw new AssertionError(e); |
651 |
|
} |
652 |
|
} else { |
653 |
|
return new TestSuite(); |
661 |
|
public static long MEDIUM_DELAY_MS; |
662 |
|
public static long LONG_DELAY_MS; |
663 |
|
|
664 |
+ |
/** |
665 |
+ |
* A delay significantly longer than LONG_DELAY_MS. |
666 |
+ |
* Use this in a thread that is waited for via awaitTermination(Thread). |
667 |
+ |
*/ |
668 |
+ |
public static long LONGER_DELAY_MS; |
669 |
+ |
|
670 |
|
private static final long RANDOM_TIMEOUT; |
671 |
|
private static final long RANDOM_EXPIRED_TIMEOUT; |
672 |
|
private static final TimeUnit RANDOM_TIMEUNIT; |
695 |
|
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
696 |
|
|
697 |
|
/** |
698 |
+ |
* Returns a random boolean; a "coin flip". |
699 |
+ |
*/ |
700 |
+ |
static boolean randomBoolean() { |
701 |
+ |
return ThreadLocalRandom.current().nextBoolean(); |
702 |
+ |
} |
703 |
+ |
|
704 |
+ |
/** |
705 |
+ |
* Returns a random element from given choices. |
706 |
+ |
*/ |
707 |
+ |
<T> T chooseRandomly(T... choices) { |
708 |
+ |
return choices[ThreadLocalRandom.current().nextInt(choices.length)]; |
709 |
+ |
} |
710 |
+ |
|
711 |
+ |
/** |
712 |
|
* Returns the shortest timed delay. This can be scaled up for |
713 |
|
* slow machines using the jsr166.delay.factor system property, |
714 |
|
* or via jtreg's -timeoutFactor: flag. |
726 |
|
SMALL_DELAY_MS = SHORT_DELAY_MS * 5; |
727 |
|
MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10; |
728 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
729 |
+ |
LONGER_DELAY_MS = 2 * LONG_DELAY_MS; |
730 |
|
} |
731 |
|
|
732 |
|
private static final long TIMEOUT_DELAY_MS |
765 |
|
*/ |
766 |
|
public void threadRecordFailure(Throwable t) { |
767 |
|
System.err.println(t); |
768 |
< |
dumpTestThreads(); |
769 |
< |
threadFailure.compareAndSet(null, t); |
768 |
> |
if (threadFailure.compareAndSet(null, t)) |
769 |
> |
dumpTestThreads(); |
770 |
|
} |
771 |
|
|
772 |
|
public void setUp() { |
1087 |
|
} |
1088 |
|
} |
1089 |
|
|
1090 |
+ |
/** Returns true if thread info might be useful in a thread dump. */ |
1091 |
+ |
static boolean threadOfInterest(ThreadInfo info) { |
1092 |
+ |
final String name = info.getThreadName(); |
1093 |
+ |
String lockName; |
1094 |
+ |
if (name == null) |
1095 |
+ |
return true; |
1096 |
+ |
if (name.equals("Signal Dispatcher") |
1097 |
+ |
|| name.equals("WedgedTestDetector")) |
1098 |
+ |
return false; |
1099 |
+ |
if (name.equals("Reference Handler")) { |
1100 |
+ |
// Reference Handler stacktrace changed in JDK-8156500 |
1101 |
+ |
StackTraceElement[] stackTrace; String methodName; |
1102 |
+ |
if ((stackTrace = info.getStackTrace()) != null |
1103 |
+ |
&& stackTrace.length > 0 |
1104 |
+ |
&& (methodName = stackTrace[0].getMethodName()) != null |
1105 |
+ |
&& methodName.equals("waitForReferencePendingList")) |
1106 |
+ |
return false; |
1107 |
+ |
// jdk8 Reference Handler stacktrace |
1108 |
+ |
if ((lockName = info.getLockName()) != null |
1109 |
+ |
&& lockName.startsWith("java.lang.ref")) |
1110 |
+ |
return false; |
1111 |
+ |
} |
1112 |
+ |
if ((name.equals("Finalizer") || name.equals("Common-Cleaner")) |
1113 |
+ |
&& (lockName = info.getLockName()) != null |
1114 |
+ |
&& lockName.startsWith("java.lang.ref")) |
1115 |
+ |
return false; |
1116 |
+ |
if (name.startsWith("ForkJoinPool.commonPool-worker") |
1117 |
+ |
&& (lockName = info.getLockName()) != null |
1118 |
+ |
&& lockName.startsWith("java.util.concurrent.ForkJoinPool")) |
1119 |
+ |
return false; |
1120 |
+ |
return true; |
1121 |
+ |
} |
1122 |
+ |
|
1123 |
|
/** |
1124 |
|
* A debugging tool to print stack traces of most threads, as jstack does. |
1125 |
|
* Uninteresting threads are filtered out. |
1134 |
|
} |
1135 |
|
} |
1136 |
|
|
1059 |
– |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1137 |
|
System.err.println("------ stacktrace dump start ------"); |
1138 |
< |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1139 |
< |
final String name = info.getThreadName(); |
1140 |
< |
String lockName; |
1064 |
< |
if ("Signal Dispatcher".equals(name)) |
1065 |
< |
continue; |
1066 |
< |
if ("Reference Handler".equals(name) |
1067 |
< |
&& (lockName = info.getLockName()) != null |
1068 |
< |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1069 |
< |
continue; |
1070 |
< |
if ("Finalizer".equals(name) |
1071 |
< |
&& (lockName = info.getLockName()) != null |
1072 |
< |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1073 |
< |
continue; |
1074 |
< |
if ("checkForWedgedTest".equals(name)) |
1075 |
< |
continue; |
1076 |
< |
System.err.print(info); |
1077 |
< |
} |
1138 |
> |
for (ThreadInfo info : THREAD_MXBEAN.dumpAllThreads(true, true)) |
1139 |
> |
if (threadOfInterest(info)) |
1140 |
> |
System.err.print(info); |
1141 |
|
System.err.println("------ stacktrace dump end ------"); |
1142 |
|
|
1143 |
|
if (sm != null) System.setSecurityManager(sm); |
1164 |
|
} |
1165 |
|
|
1166 |
|
/** |
1167 |
+ |
* Returns the thread's blocker's class name, if any, else null. |
1168 |
+ |
*/ |
1169 |
+ |
String blockerClassName(Thread thread) { |
1170 |
+ |
ThreadInfo threadInfo; LockInfo lockInfo; |
1171 |
+ |
if ((threadInfo = THREAD_MXBEAN.getThreadInfo(thread.getId(), 0)) != null |
1172 |
+ |
&& (lockInfo = threadInfo.getLockInfo()) != null) |
1173 |
+ |
return lockInfo.getClassName(); |
1174 |
+ |
return null; |
1175 |
+ |
} |
1176 |
+ |
|
1177 |
+ |
/** |
1178 |
|
* Checks that future.get times out, with the default timeout of |
1179 |
|
* {@code timeoutMillis()}. |
1180 |
|
*/ |
1362 |
|
/** |
1363 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1364 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1365 |
+ |
* @param waitingForGodot if non-null, an additional condition to satisfy |
1366 |
|
*/ |
1367 |
< |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1368 |
< |
long startTime = 0L; |
1369 |
< |
for (;;) { |
1370 |
< |
Thread.State s = thread.getState(); |
1371 |
< |
if (s == Thread.State.BLOCKED || |
1372 |
< |
s == Thread.State.WAITING || |
1373 |
< |
s == Thread.State.TIMED_WAITING) |
1374 |
< |
return; |
1375 |
< |
else if (s == Thread.State.TERMINATED) |
1367 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis, |
1368 |
> |
Callable<Boolean> waitingForGodot) { |
1369 |
> |
for (long startTime = 0L;;) { |
1370 |
> |
switch (thread.getState()) { |
1371 |
> |
default: break; |
1372 |
> |
case BLOCKED: case WAITING: case TIMED_WAITING: |
1373 |
> |
try { |
1374 |
> |
if (waitingForGodot == null || waitingForGodot.call()) |
1375 |
> |
return; |
1376 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1377 |
> |
break; |
1378 |
> |
case TERMINATED: |
1379 |
|
fail("Unexpected thread termination"); |
1380 |
< |
else if (startTime == 0L) |
1380 |
> |
} |
1381 |
> |
|
1382 |
> |
if (startTime == 0L) |
1383 |
|
startTime = System.nanoTime(); |
1384 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1385 |
< |
threadAssertTrue(thread.isAlive()); |
1386 |
< |
fail("timed out waiting for thread to enter wait state"); |
1385 |
> |
assertTrue(thread.isAlive()); |
1386 |
> |
if (waitingForGodot == null |
1387 |
> |
|| thread.getState() == Thread.State.RUNNABLE) |
1388 |
> |
fail("timed out waiting for thread to enter wait state"); |
1389 |
> |
else |
1390 |
> |
fail("timed out waiting for condition, thread state=" |
1391 |
> |
+ thread.getState()); |
1392 |
|
} |
1393 |
|
Thread.yield(); |
1394 |
|
} |
1396 |
|
|
1397 |
|
/** |
1398 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1399 |
< |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1315 |
< |
* and additionally satisfy the given condition. |
1399 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1400 |
|
*/ |
1401 |
< |
void waitForThreadToEnterWaitState( |
1402 |
< |
Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) { |
1319 |
< |
long startTime = 0L; |
1320 |
< |
for (;;) { |
1321 |
< |
Thread.State s = thread.getState(); |
1322 |
< |
if (s == Thread.State.BLOCKED || |
1323 |
< |
s == Thread.State.WAITING || |
1324 |
< |
s == Thread.State.TIMED_WAITING) { |
1325 |
< |
try { |
1326 |
< |
if (waitingForGodot.call()) |
1327 |
< |
return; |
1328 |
< |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1329 |
< |
} |
1330 |
< |
else if (s == Thread.State.TERMINATED) |
1331 |
< |
fail("Unexpected thread termination"); |
1332 |
< |
else if (startTime == 0L) |
1333 |
< |
startTime = System.nanoTime(); |
1334 |
< |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1335 |
< |
threadAssertTrue(thread.isAlive()); |
1336 |
< |
fail("timed out waiting for thread to enter wait state"); |
1337 |
< |
} |
1338 |
< |
Thread.yield(); |
1339 |
< |
} |
1401 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1402 |
> |
waitForThreadToEnterWaitState(thread, timeoutMillis, null); |
1403 |
|
} |
1404 |
|
|
1405 |
|
/** |
1407 |
|
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1408 |
|
*/ |
1409 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1410 |
< |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1410 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null); |
1411 |
|
} |
1412 |
|
|
1413 |
|
/** |
1415 |
|
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1416 |
|
* and additionally satisfy the given condition. |
1417 |
|
*/ |
1418 |
< |
void waitForThreadToEnterWaitState( |
1419 |
< |
Thread thread, Callable<Boolean> waitingForGodot) { |
1418 |
> |
void waitForThreadToEnterWaitState(Thread thread, |
1419 |
> |
Callable<Boolean> waitingForGodot) { |
1420 |
|
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1421 |
|
} |
1422 |
|
|
1423 |
|
/** |
1424 |
+ |
* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to |
1425 |
+ |
* be interrupted. Clears the interrupt status before returning. |
1426 |
+ |
*/ |
1427 |
+ |
void awaitInterrupted() { |
1428 |
+ |
for (long startTime = 0L; !Thread.interrupted(); ) { |
1429 |
+ |
if (startTime == 0L) |
1430 |
+ |
startTime = System.nanoTime(); |
1431 |
+ |
else if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
1432 |
+ |
fail("timed out waiting for thread interrupt"); |
1433 |
+ |
Thread.yield(); |
1434 |
+ |
} |
1435 |
+ |
} |
1436 |
+ |
|
1437 |
+ |
/** |
1438 |
|
* Returns the number of milliseconds since time given by |
1439 |
|
* startNanoTime, which must have been previously returned from a |
1440 |
|
* call to {@link System#nanoTime()}. |
1443 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1444 |
|
} |
1445 |
|
|
1369 |
– |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1370 |
– |
// long startTime = System.nanoTime(); |
1371 |
– |
// try { |
1372 |
– |
// r.run(); |
1373 |
– |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1374 |
– |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1375 |
– |
// throw new AssertionError("did not return promptly"); |
1376 |
– |
// } |
1377 |
– |
|
1378 |
– |
// void assertTerminatesPromptly(Runnable r) { |
1379 |
– |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1380 |
– |
// } |
1381 |
– |
|
1446 |
|
/** |
1447 |
|
* Checks that timed f.get() returns the expected value, and does not |
1448 |
|
* wait for the timeout to elapse before returning. |
1449 |
|
*/ |
1450 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1451 |
|
long startTime = System.nanoTime(); |
1452 |
+ |
T actual = null; |
1453 |
|
try { |
1454 |
< |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1454 |
> |
actual = f.get(timeoutMillis, MILLISECONDS); |
1455 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1456 |
+ |
assertEquals(expectedValue, actual); |
1457 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1458 |
|
throw new AssertionError("timed get did not return promptly"); |
1459 |
|
} |
1473 |
|
} |
1474 |
|
|
1475 |
|
/** |
1476 |
+ |
* Returns a new started daemon Thread running the given action, |
1477 |
+ |
* wrapped in a CheckedRunnable. |
1478 |
+ |
*/ |
1479 |
+ |
Thread newStartedThread(Action action) { |
1480 |
+ |
return newStartedThread(checkedRunnable(action)); |
1481 |
+ |
} |
1482 |
+ |
|
1483 |
+ |
/** |
1484 |
|
* Waits for the specified time (in milliseconds) for the thread |
1485 |
|
* to terminate (using {@link Thread#join(long)}), else interrupts |
1486 |
|
* the thread (in the hope that it may terminate later) and fails. |
1487 |
|
*/ |
1488 |
< |
void awaitTermination(Thread t, long timeoutMillis) { |
1488 |
> |
void awaitTermination(Thread thread, long timeoutMillis) { |
1489 |
|
try { |
1490 |
< |
t.join(timeoutMillis); |
1490 |
> |
thread.join(timeoutMillis); |
1491 |
|
} catch (InterruptedException fail) { |
1492 |
|
threadUnexpectedException(fail); |
1493 |
< |
} finally { |
1494 |
< |
if (t.getState() != Thread.State.TERMINATED) { |
1495 |
< |
t.interrupt(); |
1496 |
< |
threadFail("timed out waiting for thread to terminate"); |
1493 |
> |
} |
1494 |
> |
if (thread.getState() != Thread.State.TERMINATED) { |
1495 |
> |
String detail = String.format( |
1496 |
> |
"timed out waiting for thread to terminate, thread=%s, state=%s" , |
1497 |
> |
thread, thread.getState()); |
1498 |
> |
try { |
1499 |
> |
threadFail(detail); |
1500 |
> |
} finally { |
1501 |
> |
// Interrupt thread __after__ having reported its stack trace |
1502 |
> |
thread.interrupt(); |
1503 |
|
} |
1504 |
|
} |
1505 |
|
} |
1527 |
|
} |
1528 |
|
} |
1529 |
|
|
1530 |
< |
public abstract class RunnableShouldThrow implements Runnable { |
1531 |
< |
protected abstract void realRun() throws Throwable; |
1532 |
< |
|
1533 |
< |
final Class<?> exceptionClass; |
1534 |
< |
|
1455 |
< |
<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) { |
1456 |
< |
this.exceptionClass = exceptionClass; |
1457 |
< |
} |
1458 |
< |
|
1459 |
< |
public final void run() { |
1460 |
< |
try { |
1461 |
< |
realRun(); |
1462 |
< |
threadShouldThrow(exceptionClass.getSimpleName()); |
1463 |
< |
} catch (Throwable t) { |
1464 |
< |
if (! exceptionClass.isInstance(t)) |
1465 |
< |
threadUnexpectedException(t); |
1466 |
< |
} |
1467 |
< |
} |
1530 |
> |
Runnable checkedRunnable(Action action) { |
1531 |
> |
return new CheckedRunnable() { |
1532 |
> |
public void realRun() throws Throwable { |
1533 |
> |
action.run(); |
1534 |
> |
}}; |
1535 |
|
} |
1536 |
|
|
1537 |
|
public abstract class ThreadShouldThrow extends Thread { |
1546 |
|
public final void run() { |
1547 |
|
try { |
1548 |
|
realRun(); |
1482 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1549 |
|
} catch (Throwable t) { |
1550 |
|
if (! exceptionClass.isInstance(t)) |
1551 |
|
threadUnexpectedException(t); |
1552 |
+ |
return; |
1553 |
|
} |
1554 |
+ |
threadShouldThrow(exceptionClass.getSimpleName()); |
1555 |
|
} |
1556 |
|
} |
1557 |
|
|
1561 |
|
public final void run() { |
1562 |
|
try { |
1563 |
|
realRun(); |
1496 |
– |
threadShouldThrow("InterruptedException"); |
1564 |
|
} catch (InterruptedException success) { |
1565 |
|
threadAssertFalse(Thread.interrupted()); |
1566 |
+ |
return; |
1567 |
|
} catch (Throwable fail) { |
1568 |
|
threadUnexpectedException(fail); |
1569 |
|
} |
1570 |
+ |
threadShouldThrow("InterruptedException"); |
1571 |
|
} |
1572 |
|
} |
1573 |
|
|
1579 |
|
return realCall(); |
1580 |
|
} catch (Throwable fail) { |
1581 |
|
threadUnexpectedException(fail); |
1513 |
– |
return null; |
1514 |
– |
} |
1515 |
– |
} |
1516 |
– |
} |
1517 |
– |
|
1518 |
– |
public abstract class CheckedInterruptedCallable<T> |
1519 |
– |
implements Callable<T> { |
1520 |
– |
protected abstract T realCall() throws Throwable; |
1521 |
– |
|
1522 |
– |
public final T call() { |
1523 |
– |
try { |
1524 |
– |
T result = realCall(); |
1525 |
– |
threadShouldThrow("InterruptedException"); |
1526 |
– |
return result; |
1527 |
– |
} catch (InterruptedException success) { |
1528 |
– |
threadAssertFalse(Thread.interrupted()); |
1529 |
– |
} catch (Throwable fail) { |
1530 |
– |
threadUnexpectedException(fail); |
1582 |
|
} |
1583 |
< |
return null; |
1583 |
> |
throw new AssertionError("unreached"); |
1584 |
|
} |
1585 |
|
} |
1586 |
|
|
1637 |
|
} |
1638 |
|
|
1639 |
|
public void await(CountDownLatch latch, long timeoutMillis) { |
1640 |
+ |
boolean timedOut = false; |
1641 |
|
try { |
1642 |
< |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1591 |
< |
fail("timed out waiting for CountDownLatch for " |
1592 |
< |
+ (timeoutMillis/1000) + " sec"); |
1642 |
> |
timedOut = !latch.await(timeoutMillis, MILLISECONDS); |
1643 |
|
} catch (Throwable fail) { |
1644 |
|
threadUnexpectedException(fail); |
1645 |
|
} |
1646 |
+ |
if (timedOut) |
1647 |
+ |
fail("timed out waiting for CountDownLatch for " |
1648 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1649 |
|
} |
1650 |
|
|
1651 |
|
public void await(CountDownLatch latch) { |
1653 |
|
} |
1654 |
|
|
1655 |
|
public void await(Semaphore semaphore) { |
1656 |
+ |
boolean timedOut = false; |
1657 |
|
try { |
1658 |
< |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1605 |
< |
fail("timed out waiting for Semaphore for " |
1606 |
< |
+ (LONG_DELAY_MS/1000) + " sec"); |
1658 |
> |
timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS); |
1659 |
|
} catch (Throwable fail) { |
1660 |
|
threadUnexpectedException(fail); |
1661 |
|
} |
1662 |
+ |
if (timedOut) |
1663 |
+ |
fail("timed out waiting for Semaphore for " |
1664 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1665 |
|
} |
1666 |
|
|
1667 |
|
public void await(CyclicBarrier barrier) { |
1695 |
|
public String call() { throw new NullPointerException(); } |
1696 |
|
} |
1697 |
|
|
1643 |
– |
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1644 |
– |
protected void realRun() { |
1645 |
– |
try { |
1646 |
– |
delay(SMALL_DELAY_MS); |
1647 |
– |
} catch (InterruptedException ok) {} |
1648 |
– |
} |
1649 |
– |
} |
1650 |
– |
|
1698 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1699 |
|
return new CheckedRunnable() { |
1700 |
|
protected void realRun() { |
1750 |
|
return realCompute(); |
1751 |
|
} catch (Throwable fail) { |
1752 |
|
threadUnexpectedException(fail); |
1706 |
– |
return null; |
1753 |
|
} |
1754 |
+ |
throw new AssertionError("unreached"); |
1755 |
|
} |
1756 |
|
} |
1757 |
|
|
1828 |
|
} |
1829 |
|
} |
1830 |
|
|
1831 |
< |
void assertImmutable(final Object o) { |
1831 |
> |
void assertImmutable(Object o) { |
1832 |
|
if (o instanceof Collection) { |
1833 |
|
assertThrows( |
1834 |
|
UnsupportedOperationException.class, |
1835 |
< |
new Runnable() { public void run() { |
1789 |
< |
((Collection) o).add(null);}}); |
1835 |
> |
() -> ((Collection) o).add(null)); |
1836 |
|
} |
1837 |
|
} |
1838 |
|
|
1839 |
|
@SuppressWarnings("unchecked") |
1840 |
|
<T> T serialClone(T o) { |
1841 |
+ |
T clone = null; |
1842 |
|
try { |
1843 |
|
ObjectInputStream ois = new ObjectInputStream |
1844 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1845 |
< |
T clone = (T) ois.readObject(); |
1799 |
< |
if (o == clone) assertImmutable(o); |
1800 |
< |
assertSame(o.getClass(), clone.getClass()); |
1801 |
< |
return clone; |
1845 |
> |
clone = (T) ois.readObject(); |
1846 |
|
} catch (Throwable fail) { |
1847 |
|
threadUnexpectedException(fail); |
1804 |
– |
return null; |
1848 |
|
} |
1849 |
+ |
if (o == clone) assertImmutable(o); |
1850 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1851 |
+ |
return clone; |
1852 |
|
} |
1853 |
|
|
1854 |
|
/** |
1867 |
|
(new ByteArrayInputStream(bos.toByteArray())); |
1868 |
|
T clone = (T) ois.readObject(); |
1869 |
|
if (o == clone) assertImmutable(o); |
1870 |
< |
assertSame(o.getClass(), clone.getClass()); |
1870 |
> |
else assertSame(o.getClass(), clone.getClass()); |
1871 |
|
return clone; |
1872 |
|
} |
1873 |
|
|
1892 |
|
} |
1893 |
|
|
1894 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1895 |
< |
Runnable... throwingActions) { |
1896 |
< |
for (Runnable throwingAction : throwingActions) { |
1895 |
> |
Action... throwingActions) { |
1896 |
> |
for (Action throwingAction : throwingActions) { |
1897 |
|
boolean threw = false; |
1898 |
|
try { throwingAction.run(); } |
1899 |
|
catch (Throwable t) { |
2118 |
|
assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount()); |
2119 |
|
assertEquals(savedQueueSize, p.getQueue().size()); |
2120 |
|
} |
2121 |
+ |
|
2122 |
+ |
void assertCollectionsEquals(Collection<?> x, Collection<?> y) { |
2123 |
+ |
assertEquals(x, y); |
2124 |
+ |
assertEquals(y, x); |
2125 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2126 |
+ |
assertEquals(x.size(), y.size()); |
2127 |
+ |
if (x instanceof List) { |
2128 |
+ |
assertEquals(x.toString(), y.toString()); |
2129 |
+ |
} |
2130 |
+ |
if (x instanceof List || x instanceof Set) { |
2131 |
+ |
assertEquals(x.hashCode(), y.hashCode()); |
2132 |
+ |
} |
2133 |
+ |
if (x instanceof List || x instanceof Deque) { |
2134 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2135 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2136 |
+ |
y.toArray(new Object[0]))); |
2137 |
+ |
} |
2138 |
+ |
} |
2139 |
+ |
|
2140 |
+ |
/** |
2141 |
+ |
* A weaker form of assertCollectionsEquals which does not insist |
2142 |
+ |
* that the two collections satisfy Object#equals(Object), since |
2143 |
+ |
* they may use identity semantics as Deques do. |
2144 |
+ |
*/ |
2145 |
+ |
void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) { |
2146 |
+ |
if (x instanceof List || x instanceof Set) |
2147 |
+ |
assertCollectionsEquals(x, y); |
2148 |
+ |
else { |
2149 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2150 |
+ |
assertEquals(x.size(), y.size()); |
2151 |
+ |
assertEquals(new HashSet(x), new HashSet(y)); |
2152 |
+ |
if (x instanceof Deque) { |
2153 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2154 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2155 |
+ |
y.toArray(new Object[0]))); |
2156 |
+ |
} |
2157 |
+ |
} |
2158 |
+ |
} |
2159 |
|
} |