| 40 |
|
import java.util.concurrent.ExecutionException; |
| 41 |
|
import java.util.concurrent.Executors; |
| 42 |
|
import java.util.concurrent.ExecutorService; |
| 43 |
+ |
import java.util.concurrent.ForkJoinPool; |
| 44 |
|
import java.util.concurrent.Future; |
| 45 |
|
import java.util.concurrent.RecursiveAction; |
| 46 |
|
import java.util.concurrent.RecursiveTask; |
| 68 |
|
* |
| 69 |
|
* <ol> |
| 70 |
|
* |
| 71 |
< |
* <li> All assertions in code running in generated threads must use |
| 71 |
> |
* <li>All assertions in code running in generated threads must use |
| 72 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
| 73 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
| 74 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
| 75 |
|
* particularly recommended) for other code to use these forms too. |
| 76 |
|
* Only the most typically used JUnit assertion methods are defined |
| 77 |
< |
* this way, but enough to live with.</li> |
| 77 |
> |
* this way, but enough to live with. |
| 78 |
|
* |
| 79 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
| 79 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
| 80 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
| 81 |
|
* them. These methods are used to clear and check for thread |
| 82 |
< |
* assertion failures.</li> |
| 82 |
> |
* assertion failures. |
| 83 |
|
* |
| 84 |
|
* <li>All delays and timeouts must use one of the constants {@code |
| 85 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
| 90 |
|
* is always discriminable as larger than SHORT and smaller than |
| 91 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
| 92 |
|
* but even so, if there is ever any doubt, they can all be increased |
| 93 |
< |
* in one spot to rerun tests on slower platforms.</li> |
| 93 |
> |
* in one spot to rerun tests on slower platforms. |
| 94 |
|
* |
| 95 |
< |
* <li> All threads generated must be joined inside each test case |
| 95 |
> |
* <li>All threads generated must be joined inside each test case |
| 96 |
|
* method (or {@code fail} to do so) before returning from the |
| 97 |
|
* method. The {@code joinPool} method can be used to do this when |
| 98 |
< |
* using Executors.</li> |
| 98 |
> |
* using Executors. |
| 99 |
|
* |
| 100 |
|
* </ol> |
| 101 |
|
* |
| 102 |
|
* <p><b>Other notes</b> |
| 103 |
|
* <ul> |
| 104 |
|
* |
| 105 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
| 105 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
| 106 |
|
* covering "normal" operation, and then as many exception-testing |
| 107 |
|
* methods as there are exceptions the method can throw. Sometimes |
| 108 |
|
* there are multiple tests per JSR166 method when the different |
| 109 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
| 110 |
|
* cover multiple methods when they cannot be tested in |
| 111 |
< |
* isolation.</li> |
| 111 |
> |
* isolation. |
| 112 |
|
* |
| 113 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
| 113 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
| 114 |
|
* a simple sentence or two describing the property that the testcase |
| 115 |
|
* method purports to test. The javadocs do not say anything about how |
| 116 |
< |
* the property is tested. To find out, read the code.</li> |
| 116 |
> |
* the property is tested. To find out, read the code. |
| 117 |
|
* |
| 118 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
| 118 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
| 119 |
|
* test throughput, latency, scalability or other performance factors |
| 120 |
|
* (see the separate "jtreg" tests for a set intended to check these |
| 121 |
|
* for the most central aspects of functionality.) So, most tests use |
| 122 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
| 123 |
< |
* needed to check basic conformance.</li> |
| 123 |
> |
* needed to check basic conformance. |
| 124 |
|
* |
| 125 |
|
* <li>The test classes currently do not declare inclusion in |
| 126 |
|
* any particular package to simplify things for people integrating |
| 127 |
< |
* them in TCK test suites.</li> |
| 127 |
> |
* them in TCK test suites. |
| 128 |
|
* |
| 129 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
| 130 |
< |
* runs all JSR166 unit tests.</li> |
| 129 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
| 130 |
> |
* runs all JSR166 unit tests. |
| 131 |
|
* |
| 132 |
|
* </ul> |
| 133 |
|
*/ |
| 186 |
|
return (regex == null) ? null : Pattern.compile(regex); |
| 187 |
|
} |
| 188 |
|
|
| 189 |
< |
protected void runTest() throws Throwable { |
| 189 |
> |
public void runBare() throws Throwable { |
| 190 |
|
if (methodFilter == null |
| 191 |
< |
|| methodFilter.matcher(toString()).find()) { |
| 192 |
< |
for (int i = 0; i < runsPerTest; i++) { |
| 193 |
< |
if (profileTests) |
| 194 |
< |
runTestProfiled(); |
| 195 |
< |
else |
| 196 |
< |
super.runTest(); |
| 197 |
< |
} |
| 191 |
> |
|| methodFilter.matcher(toString()).find()) |
| 192 |
> |
super.runBare(); |
| 193 |
> |
} |
| 194 |
> |
|
| 195 |
> |
protected void runTest() throws Throwable { |
| 196 |
> |
for (int i = 0; i < runsPerTest; i++) { |
| 197 |
> |
if (profileTests) |
| 198 |
> |
runTestProfiled(); |
| 199 |
> |
else |
| 200 |
> |
super.runTest(); |
| 201 |
|
} |
| 202 |
|
} |
| 203 |
|
|
| 204 |
|
protected void runTestProfiled() throws Throwable { |
| 205 |
< |
// Warmup run, notably to trigger all needed classloading. |
| 206 |
< |
super.runTest(); |
| 203 |
< |
long t0 = System.nanoTime(); |
| 204 |
< |
try { |
| 205 |
> |
for (int i = 0; i < 2; i++) { |
| 206 |
> |
long startTime = System.nanoTime(); |
| 207 |
|
super.runTest(); |
| 208 |
< |
} finally { |
| 209 |
< |
long elapsedMillis = millisElapsedSince(t0); |
| 210 |
< |
if (elapsedMillis >= profileThreshold) |
| 208 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
| 209 |
> |
if (elapsedMillis < profileThreshold) |
| 210 |
> |
break; |
| 211 |
> |
// Never report first run of any test; treat it as a |
| 212 |
> |
// warmup run, notably to trigger all needed classloading, |
| 213 |
> |
if (i > 0) |
| 214 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
| 215 |
|
} |
| 216 |
|
} |
| 393 |
|
// Java9+ test classes |
| 394 |
|
if (atLeastJava9()) { |
| 395 |
|
String[] java9TestClassNames = { |
| 396 |
< |
// Currently empty |
| 396 |
> |
// Currently empty, but expecting varhandle tests |
| 397 |
|
}; |
| 398 |
|
addNamedTestClasses(suite, java9TestClassNames); |
| 399 |
|
} |
| 525 |
|
setDelays(); |
| 526 |
|
} |
| 527 |
|
|
| 528 |
+ |
void tearDownFail(String format, Object... args) { |
| 529 |
+ |
String msg = toString() + ": " + String.format(format, args); |
| 530 |
+ |
System.err.println(msg); |
| 531 |
+ |
printAllStackTraces(); |
| 532 |
+ |
throw new AssertionFailedError(msg); |
| 533 |
+ |
} |
| 534 |
+ |
|
| 535 |
|
/** |
| 536 |
|
* Extra checks that get done for all test cases. |
| 537 |
|
* |
| 559 |
|
} |
| 560 |
|
|
| 561 |
|
if (Thread.interrupted()) |
| 562 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
| 562 |
> |
tearDownFail("interrupt status set in main thread"); |
| 563 |
|
|
| 564 |
|
checkForkJoinPoolThreadLeaks(); |
| 565 |
|
} |
| 568 |
|
* Finds missing try { ... } finally { joinPool(e); } |
| 569 |
|
*/ |
| 570 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
| 571 |
< |
Thread[] survivors = new Thread[5]; |
| 571 |
> |
Thread[] survivors = new Thread[7]; |
| 572 |
|
int count = Thread.enumerate(survivors); |
| 573 |
|
for (int i = 0; i < count; i++) { |
| 574 |
|
Thread thread = survivors[i]; |
| 576 |
|
if (name.startsWith("ForkJoinPool-")) { |
| 577 |
|
// give thread some time to terminate |
| 578 |
|
thread.join(LONG_DELAY_MS); |
| 579 |
< |
if (!thread.isAlive()) continue; |
| 580 |
< |
throw new AssertionFailedError |
| 581 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
| 570 |
< |
toString(), name)); |
| 579 |
> |
if (thread.isAlive()) |
| 580 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
| 581 |
> |
thread); |
| 582 |
|
} |
| 583 |
|
} |
| 584 |
+ |
|
| 585 |
+ |
if (!ForkJoinPool.commonPool() |
| 586 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
| 587 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
| 588 |
|
} |
| 589 |
|
|
| 590 |
|
/** |
| 1238 |
|
public static final String TEST_STRING = "a test string"; |
| 1239 |
|
|
| 1240 |
|
public static class StringTask implements Callable<String> { |
| 1241 |
< |
public String call() { return TEST_STRING; } |
| 1241 |
> |
final String value; |
| 1242 |
> |
public StringTask() { this(TEST_STRING); } |
| 1243 |
> |
public StringTask(String value) { this.value = value; } |
| 1244 |
> |
public String call() { return value; } |
| 1245 |
|
} |
| 1246 |
|
|
| 1247 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
| 1254 |
|
}}; |
| 1255 |
|
} |
| 1256 |
|
|
| 1257 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
| 1258 |
+ |
return new CheckedRunnable() { |
| 1259 |
+ |
public void realRun() throws InterruptedException { |
| 1260 |
+ |
latch.countDown(); |
| 1261 |
+ |
}}; |
| 1262 |
+ |
} |
| 1263 |
+ |
|
| 1264 |
|
public Runnable awaiter(final CountDownLatch latch) { |
| 1265 |
|
return new CheckedRunnable() { |
| 1266 |
|
public void realRun() throws InterruptedException { |
