117 |
|
* |
118 |
|
* <ol> |
119 |
|
* |
120 |
< |
* <li>All assertions in code running in generated threads must use |
121 |
< |
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
122 |
< |
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
123 |
< |
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
124 |
< |
* particularly recommended) for other code to use these forms too. |
125 |
< |
* Only the most typically used JUnit assertion methods are defined |
126 |
< |
* this way, but enough to live with. |
120 |
> |
* <li>All code not running in the main test thread (manually spawned threads |
121 |
> |
* or the common fork join pool) must be checked for failure (and completion!). |
122 |
> |
* Mechanisms that can be used to ensure this are: |
123 |
> |
* <ol> |
124 |
> |
* <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch |
125 |
> |
* that the task completed normally, which is checked before returning from |
126 |
> |
* the test method in the main thread. |
127 |
> |
* <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue}, |
128 |
> |
* or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.) |
129 |
> |
* Only the most typically used JUnit assertion methods are defined |
130 |
> |
* this way, but enough to live with. |
131 |
> |
* <li>Recording failure explicitly using {@link #threadUnexpectedException} |
132 |
> |
* or {@link #threadRecordFailure}. |
133 |
> |
* <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above. |
134 |
> |
* </ol> |
135 |
|
* |
136 |
|
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
137 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
460 |
|
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
461 |
|
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
462 |
|
public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; } |
463 |
+ |
public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; } |
464 |
+ |
public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; } |
465 |
+ |
public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; } |
466 |
+ |
public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; } |
467 |
+ |
public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; } |
468 |
+ |
public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; } |
469 |
|
|
470 |
|
/** |
471 |
|
* Collects all JSR166 unit tests as one suite. |
556 |
|
"HashMapTest", |
557 |
|
"LinkedBlockingDeque8Test", |
558 |
|
"LinkedBlockingQueue8Test", |
559 |
+ |
"LinkedHashMapTest", |
560 |
|
"LongAccumulatorTest", |
561 |
|
"LongAdderTest", |
562 |
|
"SplittableRandomTest", |
1306 |
|
/** |
1307 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1308 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1309 |
+ |
* @param waitingForGodot if non-null, an additional condition to satisfy |
1310 |
|
*/ |
1311 |
< |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1312 |
< |
long startTime = 0L; |
1313 |
< |
for (;;) { |
1314 |
< |
Thread.State s = thread.getState(); |
1315 |
< |
if (s == Thread.State.BLOCKED || |
1316 |
< |
s == Thread.State.WAITING || |
1317 |
< |
s == Thread.State.TIMED_WAITING) |
1318 |
< |
return; |
1319 |
< |
else if (s == Thread.State.TERMINATED) |
1311 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis, |
1312 |
> |
Callable<Boolean> waitingForGodot) { |
1313 |
> |
for (long startTime = 0L;;) { |
1314 |
> |
switch (thread.getState()) { |
1315 |
> |
default: break; |
1316 |
> |
case BLOCKED: case WAITING: case TIMED_WAITING: |
1317 |
> |
try { |
1318 |
> |
if (waitingForGodot == null || waitingForGodot.call()) |
1319 |
> |
return; |
1320 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1321 |
> |
break; |
1322 |
> |
case TERMINATED: |
1323 |
|
fail("Unexpected thread termination"); |
1324 |
< |
else if (startTime == 0L) |
1324 |
> |
} |
1325 |
> |
|
1326 |
> |
if (startTime == 0L) |
1327 |
|
startTime = System.nanoTime(); |
1328 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1329 |
< |
threadAssertTrue(thread.isAlive()); |
1330 |
< |
fail("timed out waiting for thread to enter wait state"); |
1329 |
> |
assertTrue(thread.isAlive()); |
1330 |
> |
if (waitingForGodot == null |
1331 |
> |
|| thread.getState() == Thread.State.RUNNABLE) |
1332 |
> |
fail("timed out waiting for thread to enter wait state"); |
1333 |
> |
else |
1334 |
> |
fail("timed out waiting for condition, thread state=" |
1335 |
> |
+ thread.getState()); |
1336 |
|
} |
1337 |
|
Thread.yield(); |
1338 |
|
} |
1340 |
|
|
1341 |
|
/** |
1342 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1343 |
< |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1318 |
< |
* and additionally satisfy the given condition. |
1343 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1344 |
|
*/ |
1345 |
< |
void waitForThreadToEnterWaitState( |
1346 |
< |
Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) { |
1322 |
< |
long startTime = 0L; |
1323 |
< |
for (;;) { |
1324 |
< |
Thread.State s = thread.getState(); |
1325 |
< |
if (s == Thread.State.BLOCKED || |
1326 |
< |
s == Thread.State.WAITING || |
1327 |
< |
s == Thread.State.TIMED_WAITING) { |
1328 |
< |
try { |
1329 |
< |
if (waitingForGodot.call()) |
1330 |
< |
return; |
1331 |
< |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1332 |
< |
} |
1333 |
< |
else if (s == Thread.State.TERMINATED) |
1334 |
< |
fail("Unexpected thread termination"); |
1335 |
< |
else if (startTime == 0L) |
1336 |
< |
startTime = System.nanoTime(); |
1337 |
< |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1338 |
< |
threadAssertTrue(thread.isAlive()); |
1339 |
< |
fail("timed out waiting for thread to enter wait state"); |
1340 |
< |
} |
1341 |
< |
Thread.yield(); |
1342 |
< |
} |
1345 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1346 |
> |
waitForThreadToEnterWaitState(thread, timeoutMillis, null); |
1347 |
|
} |
1348 |
|
|
1349 |
|
/** |
1351 |
|
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1352 |
|
*/ |
1353 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1354 |
< |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1354 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null); |
1355 |
|
} |
1356 |
|
|
1357 |
|
/** |
1359 |
|
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1360 |
|
* and additionally satisfy the given condition. |
1361 |
|
*/ |
1362 |
< |
void waitForThreadToEnterWaitState( |
1363 |
< |
Thread thread, Callable<Boolean> waitingForGodot) { |
1362 |
> |
void waitForThreadToEnterWaitState(Thread thread, |
1363 |
> |
Callable<Boolean> waitingForGodot) { |
1364 |
|
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1365 |
|
} |
1366 |
|
|
1392 |
|
*/ |
1393 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1394 |
|
long startTime = System.nanoTime(); |
1395 |
+ |
T actual = null; |
1396 |
|
try { |
1397 |
< |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1397 |
> |
actual = f.get(timeoutMillis, MILLISECONDS); |
1398 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1399 |
+ |
assertEquals(expectedValue, actual); |
1400 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1401 |
|
throw new AssertionError("timed get did not return promptly"); |
1402 |
|
} |
1468 |
|
public final void run() { |
1469 |
|
try { |
1470 |
|
realRun(); |
1465 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1471 |
|
} catch (Throwable t) { |
1472 |
|
if (! exceptionClass.isInstance(t)) |
1473 |
|
threadUnexpectedException(t); |
1474 |
+ |
return; |
1475 |
|
} |
1476 |
+ |
threadShouldThrow(exceptionClass.getSimpleName()); |
1477 |
|
} |
1478 |
|
} |
1479 |
|
|
1483 |
|
public final void run() { |
1484 |
|
try { |
1485 |
|
realRun(); |
1479 |
– |
threadShouldThrow("InterruptedException"); |
1486 |
|
} catch (InterruptedException success) { |
1487 |
|
threadAssertFalse(Thread.interrupted()); |
1488 |
+ |
return; |
1489 |
|
} catch (Throwable fail) { |
1490 |
|
threadUnexpectedException(fail); |
1491 |
|
} |
1492 |
+ |
threadShouldThrow("InterruptedException"); |
1493 |
|
} |
1494 |
|
} |
1495 |
|
|
1501 |
|
return realCall(); |
1502 |
|
} catch (Throwable fail) { |
1503 |
|
threadUnexpectedException(fail); |
1496 |
– |
return null; |
1497 |
– |
} |
1498 |
– |
} |
1499 |
– |
} |
1500 |
– |
|
1501 |
– |
public abstract class CheckedInterruptedCallable<T> |
1502 |
– |
implements Callable<T> { |
1503 |
– |
protected abstract T realCall() throws Throwable; |
1504 |
– |
|
1505 |
– |
public final T call() { |
1506 |
– |
try { |
1507 |
– |
T result = realCall(); |
1508 |
– |
threadShouldThrow("InterruptedException"); |
1509 |
– |
return result; |
1510 |
– |
} catch (InterruptedException success) { |
1511 |
– |
threadAssertFalse(Thread.interrupted()); |
1512 |
– |
} catch (Throwable fail) { |
1513 |
– |
threadUnexpectedException(fail); |
1504 |
|
} |
1505 |
< |
return null; |
1505 |
> |
throw new AssertionError("unreached"); |
1506 |
|
} |
1507 |
|
} |
1508 |
|
|
1559 |
|
} |
1560 |
|
|
1561 |
|
public void await(CountDownLatch latch, long timeoutMillis) { |
1562 |
+ |
boolean timedOut = false; |
1563 |
|
try { |
1564 |
< |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1574 |
< |
fail("timed out waiting for CountDownLatch for " |
1575 |
< |
+ (timeoutMillis/1000) + " sec"); |
1564 |
> |
timedOut = !latch.await(timeoutMillis, MILLISECONDS); |
1565 |
|
} catch (Throwable fail) { |
1566 |
|
threadUnexpectedException(fail); |
1567 |
|
} |
1568 |
+ |
if (timedOut) |
1569 |
+ |
fail("timed out waiting for CountDownLatch for " |
1570 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1571 |
|
} |
1572 |
|
|
1573 |
|
public void await(CountDownLatch latch) { |
1575 |
|
} |
1576 |
|
|
1577 |
|
public void await(Semaphore semaphore) { |
1578 |
+ |
boolean timedOut = false; |
1579 |
|
try { |
1580 |
< |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1588 |
< |
fail("timed out waiting for Semaphore for " |
1589 |
< |
+ (LONG_DELAY_MS/1000) + " sec"); |
1580 |
> |
timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS); |
1581 |
|
} catch (Throwable fail) { |
1582 |
|
threadUnexpectedException(fail); |
1583 |
|
} |
1584 |
+ |
if (timedOut) |
1585 |
+ |
fail("timed out waiting for Semaphore for " |
1586 |
+ |
+ (LONG_DELAY_MS/1000) + " sec"); |
1587 |
|
} |
1588 |
|
|
1589 |
|
public void await(CyclicBarrier barrier) { |
1617 |
|
public String call() { throw new NullPointerException(); } |
1618 |
|
} |
1619 |
|
|
1626 |
– |
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1627 |
– |
protected void realRun() { |
1628 |
– |
try { |
1629 |
– |
delay(SMALL_DELAY_MS); |
1630 |
– |
} catch (InterruptedException ok) {} |
1631 |
– |
} |
1632 |
– |
} |
1633 |
– |
|
1620 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1621 |
|
return new CheckedRunnable() { |
1622 |
|
protected void realRun() { |
1672 |
|
return realCompute(); |
1673 |
|
} catch (Throwable fail) { |
1674 |
|
threadUnexpectedException(fail); |
1689 |
– |
return null; |
1675 |
|
} |
1676 |
+ |
throw new AssertionError("unreached"); |
1677 |
|
} |
1678 |
|
} |
1679 |
|
|
1761 |
|
|
1762 |
|
@SuppressWarnings("unchecked") |
1763 |
|
<T> T serialClone(T o) { |
1764 |
+ |
T clone = null; |
1765 |
|
try { |
1766 |
|
ObjectInputStream ois = new ObjectInputStream |
1767 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1768 |
< |
T clone = (T) ois.readObject(); |
1782 |
< |
if (o == clone) assertImmutable(o); |
1783 |
< |
assertSame(o.getClass(), clone.getClass()); |
1784 |
< |
return clone; |
1768 |
> |
clone = (T) ois.readObject(); |
1769 |
|
} catch (Throwable fail) { |
1770 |
|
threadUnexpectedException(fail); |
1787 |
– |
return null; |
1771 |
|
} |
1772 |
+ |
if (o == clone) assertImmutable(o); |
1773 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1774 |
+ |
return clone; |
1775 |
|
} |
1776 |
|
|
1777 |
|
/** |
1790 |
|
(new ByteArrayInputStream(bos.toByteArray())); |
1791 |
|
T clone = (T) ois.readObject(); |
1792 |
|
if (o == clone) assertImmutable(o); |
1793 |
< |
assertSame(o.getClass(), clone.getClass()); |
1793 |
> |
else assertSame(o.getClass(), clone.getClass()); |
1794 |
|
return clone; |
1795 |
|
} |
1796 |
|
|