6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
+ |
/* |
10 |
+ |
* @test |
11 |
+ |
* @summary JSR-166 tck tests |
12 |
+ |
* @modules java.management |
13 |
+ |
* @build * |
14 |
+ |
* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase |
15 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase |
16 |
+ |
* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase |
17 |
+ |
*/ |
18 |
+ |
|
19 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
20 |
+ |
import static java.util.concurrent.TimeUnit.MINUTES; |
21 |
|
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
22 |
|
|
23 |
|
import java.io.ByteArrayInputStream; |
26 |
|
import java.io.ObjectOutputStream; |
27 |
|
import java.lang.management.ManagementFactory; |
28 |
|
import java.lang.management.ThreadInfo; |
29 |
+ |
import java.lang.management.ThreadMXBean; |
30 |
+ |
import java.lang.reflect.Constructor; |
31 |
|
import java.lang.reflect.Method; |
32 |
+ |
import java.lang.reflect.Modifier; |
33 |
+ |
import java.nio.file.Files; |
34 |
+ |
import java.nio.file.Paths; |
35 |
|
import java.security.CodeSource; |
36 |
|
import java.security.Permission; |
37 |
|
import java.security.PermissionCollection; |
41 |
|
import java.security.SecurityPermission; |
42 |
|
import java.util.ArrayList; |
43 |
|
import java.util.Arrays; |
44 |
+ |
import java.util.Collection; |
45 |
+ |
import java.util.Collections; |
46 |
|
import java.util.Date; |
47 |
|
import java.util.Enumeration; |
48 |
|
import java.util.Iterator; |
53 |
|
import java.util.concurrent.Callable; |
54 |
|
import java.util.concurrent.CountDownLatch; |
55 |
|
import java.util.concurrent.CyclicBarrier; |
56 |
+ |
import java.util.concurrent.ExecutionException; |
57 |
+ |
import java.util.concurrent.Executors; |
58 |
|
import java.util.concurrent.ExecutorService; |
59 |
+ |
import java.util.concurrent.ForkJoinPool; |
60 |
|
import java.util.concurrent.Future; |
61 |
|
import java.util.concurrent.RecursiveAction; |
62 |
|
import java.util.concurrent.RecursiveTask; |
63 |
|
import java.util.concurrent.RejectedExecutionHandler; |
64 |
|
import java.util.concurrent.Semaphore; |
65 |
+ |
import java.util.concurrent.SynchronousQueue; |
66 |
|
import java.util.concurrent.ThreadFactory; |
67 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
68 |
|
import java.util.concurrent.ThreadPoolExecutor; |
69 |
|
import java.util.concurrent.TimeoutException; |
70 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
71 |
|
import java.util.concurrent.atomic.AtomicReference; |
72 |
+ |
import java.util.regex.Matcher; |
73 |
|
import java.util.regex.Pattern; |
74 |
|
|
75 |
|
import junit.framework.AssertionFailedError; |
88 |
|
* |
89 |
|
* <ol> |
90 |
|
* |
91 |
< |
* <li> All assertions in code running in generated threads must use |
91 |
> |
* <li>All assertions in code running in generated threads must use |
92 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
93 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
94 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
95 |
|
* particularly recommended) for other code to use these forms too. |
96 |
|
* Only the most typically used JUnit assertion methods are defined |
97 |
< |
* this way, but enough to live with.</li> |
97 |
> |
* this way, but enough to live with. |
98 |
|
* |
99 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
99 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
100 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
101 |
|
* them. These methods are used to clear and check for thread |
102 |
< |
* assertion failures.</li> |
102 |
> |
* assertion failures. |
103 |
|
* |
104 |
|
* <li>All delays and timeouts must use one of the constants {@code |
105 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
110 |
|
* is always discriminable as larger than SHORT and smaller than |
111 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
112 |
|
* but even so, if there is ever any doubt, they can all be increased |
113 |
< |
* in one spot to rerun tests on slower platforms.</li> |
113 |
> |
* in one spot to rerun tests on slower platforms. |
114 |
|
* |
115 |
< |
* <li> All threads generated must be joined inside each test case |
115 |
> |
* <li>All threads generated must be joined inside each test case |
116 |
|
* method (or {@code fail} to do so) before returning from the |
117 |
|
* method. The {@code joinPool} method can be used to do this when |
118 |
< |
* using Executors.</li> |
118 |
> |
* using Executors. |
119 |
|
* |
120 |
|
* </ol> |
121 |
|
* |
122 |
|
* <p><b>Other notes</b> |
123 |
|
* <ul> |
124 |
|
* |
125 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
125 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
126 |
|
* covering "normal" operation, and then as many exception-testing |
127 |
|
* methods as there are exceptions the method can throw. Sometimes |
128 |
|
* there are multiple tests per JSR166 method when the different |
129 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
130 |
< |
* cover multiple methods when they cannot be tested in |
106 |
< |
* isolation.</li> |
130 |
> |
* cover multiple methods when they cannot be tested in isolation. |
131 |
|
* |
132 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
132 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
133 |
|
* a simple sentence or two describing the property that the testcase |
134 |
|
* method purports to test. The javadocs do not say anything about how |
135 |
< |
* the property is tested. To find out, read the code.</li> |
135 |
> |
* the property is tested. To find out, read the code. |
136 |
|
* |
137 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
137 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
138 |
|
* test throughput, latency, scalability or other performance factors |
139 |
|
* (see the separate "jtreg" tests for a set intended to check these |
140 |
|
* for the most central aspects of functionality.) So, most tests use |
141 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
142 |
< |
* needed to check basic conformance.</li> |
142 |
> |
* needed to check basic conformance. |
143 |
|
* |
144 |
|
* <li>The test classes currently do not declare inclusion in |
145 |
|
* any particular package to simplify things for people integrating |
146 |
< |
* them in TCK test suites.</li> |
146 |
> |
* them in TCK test suites. |
147 |
|
* |
148 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
149 |
< |
* runs all JSR166 unit tests.</li> |
148 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
149 |
> |
* runs all JSR166 unit tests. |
150 |
|
* |
151 |
|
* </ul> |
152 |
|
*/ |
191 |
|
Integer.getInteger("jsr166.suiteRuns", 1); |
192 |
|
|
193 |
|
/** |
194 |
+ |
* Returns the value of the system property, or NaN if not defined. |
195 |
+ |
*/ |
196 |
+ |
private static float systemPropertyValue(String name) { |
197 |
+ |
String floatString = System.getProperty(name); |
198 |
+ |
if (floatString == null) |
199 |
+ |
return Float.NaN; |
200 |
+ |
try { |
201 |
+ |
return Float.parseFloat(floatString); |
202 |
+ |
} catch (NumberFormatException ex) { |
203 |
+ |
throw new IllegalArgumentException( |
204 |
+ |
String.format("Bad float value in system property %s=%s", |
205 |
+ |
name, floatString)); |
206 |
+ |
} |
207 |
+ |
} |
208 |
+ |
|
209 |
+ |
/** |
210 |
+ |
* The scaling factor to apply to standard delays used in tests. |
211 |
+ |
* May be initialized from any of: |
212 |
+ |
* - the "jsr166.delay.factor" system property |
213 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
214 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
215 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
216 |
+ |
*/ |
217 |
+ |
private static final float delayFactor = delayFactor(); |
218 |
+ |
|
219 |
+ |
private static float delayFactor() { |
220 |
+ |
float x; |
221 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
222 |
+ |
return x; |
223 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
224 |
+ |
return x; |
225 |
+ |
String prop = System.getProperty("java.vm.version"); |
226 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
227 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
228 |
+ |
return 1.0f; |
229 |
+ |
} |
230 |
+ |
|
231 |
+ |
public JSR166TestCase() { super(); } |
232 |
+ |
public JSR166TestCase(String name) { super(name); } |
233 |
+ |
|
234 |
+ |
/** |
235 |
|
* A filter for tests to run, matching strings of the form |
236 |
|
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
237 |
|
* Usefully combined with jsr166.runsPerTest. |
243 |
|
return (regex == null) ? null : Pattern.compile(regex); |
244 |
|
} |
245 |
|
|
246 |
< |
protected void runTest() throws Throwable { |
246 |
> |
// Instrumentation to debug very rare, but very annoying hung test runs. |
247 |
> |
static volatile TestCase currentTestCase; |
248 |
> |
// static volatile int currentRun = 0; |
249 |
> |
static { |
250 |
> |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
251 |
> |
// Avoid spurious reports with enormous runsPerTest. |
252 |
> |
// A single test case run should never take more than 1 second. |
253 |
> |
// But let's cap it at the high end too ... |
254 |
> |
final int timeoutMinutes = |
255 |
> |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
256 |
> |
for (TestCase lastTestCase = currentTestCase;;) { |
257 |
> |
try { MINUTES.sleep(timeoutMinutes); } |
258 |
> |
catch (InterruptedException unexpected) { break; } |
259 |
> |
if (lastTestCase == currentTestCase) { |
260 |
> |
System.err.printf( |
261 |
> |
"Looks like we're stuck running test: %s%n", |
262 |
> |
lastTestCase); |
263 |
> |
// System.err.printf( |
264 |
> |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
265 |
> |
// lastTestCase, currentRun, runsPerTest); |
266 |
> |
// System.err.println("availableProcessors=" + |
267 |
> |
// Runtime.getRuntime().availableProcessors()); |
268 |
> |
// System.err.printf("cpu model = %s%n", cpuModel()); |
269 |
> |
dumpTestThreads(); |
270 |
> |
// one stack dump is probably enough; more would be spam |
271 |
> |
break; |
272 |
> |
} |
273 |
> |
lastTestCase = currentTestCase; |
274 |
> |
}}}; |
275 |
> |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
276 |
> |
thread.setDaemon(true); |
277 |
> |
thread.start(); |
278 |
> |
} |
279 |
> |
|
280 |
> |
// public static String cpuModel() { |
281 |
> |
// try { |
282 |
> |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
283 |
> |
// .matcher(new String( |
284 |
> |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
285 |
> |
// matcher.find(); |
286 |
> |
// return matcher.group(1); |
287 |
> |
// } catch (Exception ex) { return null; } |
288 |
> |
// } |
289 |
> |
|
290 |
> |
public void runBare() throws Throwable { |
291 |
> |
currentTestCase = this; |
292 |
|
if (methodFilter == null |
293 |
< |
|| methodFilter.matcher(toString()).find()) { |
294 |
< |
for (int i = 0; i < runsPerTest; i++) { |
295 |
< |
if (profileTests) |
296 |
< |
runTestProfiled(); |
297 |
< |
else |
298 |
< |
super.runTest(); |
299 |
< |
} |
293 |
> |
|| methodFilter.matcher(toString()).find()) |
294 |
> |
super.runBare(); |
295 |
> |
} |
296 |
> |
|
297 |
> |
protected void runTest() throws Throwable { |
298 |
> |
for (int i = 0; i < runsPerTest; i++) { |
299 |
> |
// currentRun = i; |
300 |
> |
if (profileTests) |
301 |
> |
runTestProfiled(); |
302 |
> |
else |
303 |
> |
super.runTest(); |
304 |
|
} |
305 |
|
} |
306 |
|
|
307 |
|
protected void runTestProfiled() throws Throwable { |
308 |
< |
// Warmup run, notably to trigger all needed classloading. |
309 |
< |
super.runTest(); |
196 |
< |
long t0 = System.nanoTime(); |
197 |
< |
try { |
308 |
> |
for (int i = 0; i < 2; i++) { |
309 |
> |
long startTime = System.nanoTime(); |
310 |
|
super.runTest(); |
311 |
< |
} finally { |
312 |
< |
long elapsedMillis = millisElapsedSince(t0); |
313 |
< |
if (elapsedMillis >= profileThreshold) |
311 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
312 |
> |
if (elapsedMillis < profileThreshold) |
313 |
> |
break; |
314 |
> |
// Never report first run of any test; treat it as a |
315 |
> |
// warmup run, notably to trigger all needed classloading, |
316 |
> |
if (i > 0) |
317 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
318 |
|
} |
319 |
|
} |
325 |
|
main(suite(), args); |
326 |
|
} |
327 |
|
|
328 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
329 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
330 |
+ |
long runTime; |
331 |
+ |
public void startTest(Test test) {} |
332 |
+ |
protected void printHeader(long runTime) { |
333 |
+ |
this.runTime = runTime; // defer printing for later |
334 |
+ |
} |
335 |
+ |
protected void printFooter(TestResult result) { |
336 |
+ |
if (result.wasSuccessful()) { |
337 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
338 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
339 |
+ |
} else { |
340 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
341 |
+ |
super.printFooter(result); |
342 |
+ |
} |
343 |
+ |
} |
344 |
+ |
} |
345 |
+ |
|
346 |
+ |
/** |
347 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
348 |
+ |
* fluff, like printing a "." for each test case. |
349 |
+ |
*/ |
350 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
351 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
352 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
353 |
+ |
return runner; |
354 |
+ |
} |
355 |
+ |
|
356 |
|
/** |
357 |
|
* Runs all unit tests in the given test suite. |
358 |
|
* Actual behavior influenced by jsr166.* system properties. |
364 |
|
System.setSecurityManager(new SecurityManager()); |
365 |
|
} |
366 |
|
for (int i = 0; i < suiteRuns; i++) { |
367 |
< |
TestResult result = junit.textui.TestRunner.run(suite); |
367 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
368 |
|
if (!result.wasSuccessful()) |
369 |
|
System.exit(1); |
370 |
|
System.gc(); |
419 |
|
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
420 |
|
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
421 |
|
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
422 |
< |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
422 |
> |
public static boolean atLeastJava9() { |
423 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
424 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
425 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
426 |
> |
} |
427 |
> |
public static boolean atLeastJava10() { |
428 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
429 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
430 |
> |
} |
431 |
|
|
432 |
|
/** |
433 |
|
* Collects all JSR166 unit tests as one suite. |
448 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
449 |
|
ArrayBlockingQueueTest.suite(), |
450 |
|
ArrayDequeTest.suite(), |
451 |
+ |
ArrayListTest.suite(), |
452 |
|
AtomicBooleanTest.suite(), |
453 |
|
AtomicIntegerArrayTest.suite(), |
454 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
471 |
|
CopyOnWriteArrayListTest.suite(), |
472 |
|
CopyOnWriteArraySetTest.suite(), |
473 |
|
CountDownLatchTest.suite(), |
474 |
+ |
CountedCompleterTest.suite(), |
475 |
|
CyclicBarrierTest.suite(), |
476 |
|
DelayQueueTest.suite(), |
477 |
|
EntryTest.suite(), |
500 |
|
TreeMapTest.suite(), |
501 |
|
TreeSetTest.suite(), |
502 |
|
TreeSubMapTest.suite(), |
503 |
< |
TreeSubSetTest.suite()); |
503 |
> |
TreeSubSetTest.suite(), |
504 |
> |
VectorTest.suite()); |
505 |
|
|
506 |
|
// Java8+ test classes |
507 |
|
if (atLeastJava8()) { |
508 |
|
String[] java8TestClassNames = { |
509 |
+ |
"ArrayDeque8Test", |
510 |
|
"Atomic8Test", |
511 |
|
"CompletableFutureTest", |
512 |
|
"ConcurrentHashMap8Test", |
513 |
< |
"CountedCompleterTest", |
513 |
> |
"CountedCompleter8Test", |
514 |
|
"DoubleAccumulatorTest", |
515 |
|
"DoubleAdderTest", |
516 |
|
"ForkJoinPool8Test", |
519 |
|
"LongAdderTest", |
520 |
|
"SplittableRandomTest", |
521 |
|
"StampedLockTest", |
522 |
+ |
"SubmissionPublisherTest", |
523 |
|
"ThreadLocalRandom8Test", |
524 |
+ |
"TimeUnit8Test", |
525 |
|
}; |
526 |
|
addNamedTestClasses(suite, java8TestClassNames); |
527 |
|
} |
529 |
|
// Java9+ test classes |
530 |
|
if (atLeastJava9()) { |
531 |
|
String[] java9TestClassNames = { |
532 |
< |
"ThreadPoolExecutor9Test", |
532 |
> |
"AtomicBoolean9Test", |
533 |
> |
"AtomicInteger9Test", |
534 |
> |
"AtomicIntegerArray9Test", |
535 |
> |
"AtomicLong9Test", |
536 |
> |
"AtomicLongArray9Test", |
537 |
> |
"AtomicReference9Test", |
538 |
> |
"AtomicReferenceArray9Test", |
539 |
> |
"ExecutorCompletionService9Test", |
540 |
|
}; |
541 |
|
addNamedTestClasses(suite, java9TestClassNames); |
542 |
|
} |
544 |
|
return suite; |
545 |
|
} |
546 |
|
|
547 |
+ |
/** Returns list of junit-style test method names in given class. */ |
548 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
549 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
550 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
551 |
+ |
for (Method method : methods) { |
552 |
+ |
if (method.getName().startsWith("test") |
553 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
554 |
+ |
// method.getParameterCount() requires jdk8+ |
555 |
+ |
&& method.getParameterTypes().length == 0) { |
556 |
+ |
names.add(method.getName()); |
557 |
+ |
} |
558 |
+ |
} |
559 |
+ |
return names; |
560 |
+ |
} |
561 |
+ |
|
562 |
+ |
/** |
563 |
+ |
* Returns junit-style testSuite for the given test class, but |
564 |
+ |
* parameterized by passing extra data to each test. |
565 |
+ |
*/ |
566 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
567 |
+ |
(Class<? extends JSR166TestCase> testClass, |
568 |
+ |
Class<ExtraData> dataClass, |
569 |
+ |
ExtraData data) { |
570 |
+ |
try { |
571 |
+ |
TestSuite suite = new TestSuite(); |
572 |
+ |
Constructor c = |
573 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
574 |
+ |
for (String methodName : testMethodNames(testClass)) |
575 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
576 |
+ |
return suite; |
577 |
+ |
} catch (Exception e) { |
578 |
+ |
throw new Error(e); |
579 |
+ |
} |
580 |
+ |
} |
581 |
+ |
|
582 |
+ |
/** |
583 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
584 |
+ |
* given test class, but parameterized by passing extra data to |
585 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
586 |
+ |
*/ |
587 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
588 |
+ |
(Class<? extends JSR166TestCase> testClass, |
589 |
+ |
Class<ExtraData> dataClass, |
590 |
+ |
ExtraData data) { |
591 |
+ |
if (atLeastJava8()) { |
592 |
+ |
String name = testClass.getName(); |
593 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
594 |
+ |
if (name.equals(name8)) throw new Error(name); |
595 |
+ |
try { |
596 |
+ |
return (Test) |
597 |
+ |
Class.forName(name8) |
598 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
599 |
+ |
.invoke(null, data); |
600 |
+ |
} catch (Exception e) { |
601 |
+ |
throw new Error(e); |
602 |
+ |
} |
603 |
+ |
} else { |
604 |
+ |
return new TestSuite(); |
605 |
+ |
} |
606 |
+ |
} |
607 |
+ |
|
608 |
|
// Delays for timing-dependent tests, in milliseconds. |
609 |
|
|
610 |
|
public static long SHORT_DELAY_MS; |
613 |
|
public static long LONG_DELAY_MS; |
614 |
|
|
615 |
|
/** |
616 |
< |
* Returns the shortest timed delay. This could |
617 |
< |
* be reimplemented to use for example a Property. |
616 |
> |
* Returns the shortest timed delay. This can be scaled up for |
617 |
> |
* slow machines using the jsr166.delay.factor system property, |
618 |
> |
* or via jtreg's -timeoutFactor: flag. |
619 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
620 |
|
*/ |
621 |
|
protected long getShortDelay() { |
622 |
< |
return 50; |
622 |
> |
return (long) (50 * delayFactor); |
623 |
|
} |
624 |
|
|
625 |
|
/** |
641 |
|
} |
642 |
|
|
643 |
|
/** |
644 |
< |
* Returns a new Date instance representing a time delayMillis |
645 |
< |
* milliseconds in the future. |
644 |
> |
* Returns a new Date instance representing a time at least |
645 |
> |
* delayMillis milliseconds in the future. |
646 |
|
*/ |
647 |
|
Date delayedDate(long delayMillis) { |
648 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
648 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
649 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
650 |
|
} |
651 |
|
|
652 |
|
/** |
662 |
|
* the same test have no effect. |
663 |
|
*/ |
664 |
|
public void threadRecordFailure(Throwable t) { |
665 |
+ |
System.err.println(t); |
666 |
+ |
dumpTestThreads(); |
667 |
|
threadFailure.compareAndSet(null, t); |
668 |
|
} |
669 |
|
|
671 |
|
setDelays(); |
672 |
|
} |
673 |
|
|
674 |
+ |
void tearDownFail(String format, Object... args) { |
675 |
+ |
String msg = toString() + ": " + String.format(format, args); |
676 |
+ |
System.err.println(msg); |
677 |
+ |
dumpTestThreads(); |
678 |
+ |
throw new AssertionFailedError(msg); |
679 |
+ |
} |
680 |
+ |
|
681 |
|
/** |
682 |
|
* Extra checks that get done for all test cases. |
683 |
|
* |
705 |
|
} |
706 |
|
|
707 |
|
if (Thread.interrupted()) |
708 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
708 |
> |
tearDownFail("interrupt status set in main thread"); |
709 |
|
|
710 |
|
checkForkJoinPoolThreadLeaks(); |
711 |
|
} |
712 |
|
|
713 |
|
/** |
714 |
< |
* Finds missing try { ... } finally { joinPool(e); } |
714 |
> |
* Finds missing PoolCleaners |
715 |
|
*/ |
716 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
717 |
< |
Thread[] survivors = new Thread[5]; |
717 |
> |
Thread[] survivors = new Thread[7]; |
718 |
|
int count = Thread.enumerate(survivors); |
719 |
|
for (int i = 0; i < count; i++) { |
720 |
|
Thread thread = survivors[i]; |
722 |
|
if (name.startsWith("ForkJoinPool-")) { |
723 |
|
// give thread some time to terminate |
724 |
|
thread.join(LONG_DELAY_MS); |
725 |
< |
if (!thread.isAlive()) continue; |
726 |
< |
throw new AssertionFailedError |
727 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
491 |
< |
toString(), name)); |
725 |
> |
if (thread.isAlive()) |
726 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
727 |
> |
thread); |
728 |
|
} |
729 |
|
} |
730 |
+ |
|
731 |
+ |
if (!ForkJoinPool.commonPool() |
732 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
733 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
734 |
|
} |
735 |
|
|
736 |
|
/** |
743 |
|
fail(reason); |
744 |
|
} catch (AssertionFailedError t) { |
745 |
|
threadRecordFailure(t); |
746 |
< |
fail(reason); |
746 |
> |
throw t; |
747 |
|
} |
748 |
|
} |
749 |
|
|
870 |
|
/** |
871 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
872 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
873 |
< |
* until time elapses. |
873 |
> |
* until time elapses. Ensures that the given time, as measured |
874 |
> |
* by System.nanoTime(), has elapsed. |
875 |
|
*/ |
876 |
|
static void delay(long millis) throws InterruptedException { |
877 |
< |
long startTime = System.nanoTime(); |
878 |
< |
long ns = millis * 1000 * 1000; |
879 |
< |
for (;;) { |
877 |
> |
long nanos = millis * (1000 * 1000); |
878 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
879 |
> |
do { |
880 |
|
if (millis > 0L) |
881 |
|
Thread.sleep(millis); |
882 |
|
else // too short to sleep |
883 |
|
Thread.yield(); |
884 |
< |
long d = ns - (System.nanoTime() - startTime); |
885 |
< |
if (d > 0L) |
886 |
< |
millis = d / (1000 * 1000); |
887 |
< |
else |
888 |
< |
break; |
884 |
> |
nanos = wakeupTime - System.nanoTime(); |
885 |
> |
millis = nanos / (1000 * 1000); |
886 |
> |
} while (nanos >= 0L); |
887 |
> |
} |
888 |
> |
|
889 |
> |
/** |
890 |
> |
* Allows use of try-with-resources with per-test thread pools. |
891 |
> |
*/ |
892 |
> |
class PoolCleaner implements AutoCloseable { |
893 |
> |
private final ExecutorService pool; |
894 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
895 |
> |
public void close() { joinPool(pool); } |
896 |
> |
} |
897 |
> |
|
898 |
> |
/** |
899 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
900 |
> |
*/ |
901 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
902 |
> |
private final Runnable releaser; |
903 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
904 |
> |
super(pool); |
905 |
> |
this.releaser = releaser; |
906 |
|
} |
907 |
+ |
public void close() { |
908 |
+ |
try { |
909 |
+ |
releaser.run(); |
910 |
+ |
} finally { |
911 |
+ |
super.close(); |
912 |
+ |
} |
913 |
+ |
} |
914 |
+ |
} |
915 |
+ |
|
916 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
917 |
+ |
return new PoolCleaner(pool); |
918 |
+ |
} |
919 |
+ |
|
920 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
921 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
922 |
+ |
} |
923 |
+ |
|
924 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
925 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
926 |
+ |
} |
927 |
+ |
|
928 |
+ |
Runnable releaser(final CountDownLatch latch) { |
929 |
+ |
return new Runnable() { public void run() { |
930 |
+ |
do { latch.countDown(); } |
931 |
+ |
while (latch.getCount() > 0); |
932 |
+ |
}}; |
933 |
+ |
} |
934 |
+ |
|
935 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
936 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
937 |
+ |
} |
938 |
+ |
|
939 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
940 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
941 |
|
} |
942 |
|
|
943 |
|
/** |
944 |
|
* Waits out termination of a thread pool or fails doing so. |
945 |
|
*/ |
946 |
< |
void joinPool(ExecutorService exec) { |
946 |
> |
void joinPool(ExecutorService pool) { |
947 |
|
try { |
948 |
< |
exec.shutdown(); |
949 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
950 |
< |
fail("ExecutorService " + exec + |
951 |
< |
" did not terminate in a timely manner"); |
948 |
> |
pool.shutdown(); |
949 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
950 |
> |
try { |
951 |
> |
threadFail("ExecutorService " + pool + |
952 |
> |
" did not terminate in a timely manner"); |
953 |
> |
} finally { |
954 |
> |
// last resort, for the benefit of subsequent tests |
955 |
> |
pool.shutdownNow(); |
956 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
957 |
> |
} |
958 |
> |
} |
959 |
|
} catch (SecurityException ok) { |
960 |
|
// Allowed in case test doesn't have privs |
961 |
|
} catch (InterruptedException fail) { |
962 |
< |
fail("Unexpected InterruptedException"); |
962 |
> |
threadFail("Unexpected InterruptedException"); |
963 |
|
} |
964 |
|
} |
965 |
|
|
966 |
|
/** |
967 |
< |
* A debugging tool to print all stack traces, as jstack does. |
967 |
> |
* Like Runnable, but with the freedom to throw anything. |
968 |
> |
* junit folks had the same idea: |
969 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
970 |
|
*/ |
971 |
< |
static void printAllStackTraces() { |
972 |
< |
for (ThreadInfo info : |
973 |
< |
ManagementFactory.getThreadMXBean() |
974 |
< |
.dumpAllThreads(true, true)) |
971 |
> |
interface Action { public void run() throws Throwable; } |
972 |
> |
|
973 |
> |
/** |
974 |
> |
* Runs all the given actions in parallel, failing if any fail. |
975 |
> |
* Useful for running multiple variants of tests that are |
976 |
> |
* necessarily individually slow because they must block. |
977 |
> |
*/ |
978 |
> |
void testInParallel(Action ... actions) { |
979 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
980 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
981 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
982 |
> |
for (final Action action : actions) |
983 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
984 |
> |
public void realRun() throws Throwable { action.run();}})); |
985 |
> |
for (Future<?> future : futures) |
986 |
> |
try { |
987 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
988 |
> |
} catch (ExecutionException ex) { |
989 |
> |
threadUnexpectedException(ex.getCause()); |
990 |
> |
} catch (Exception ex) { |
991 |
> |
threadUnexpectedException(ex); |
992 |
> |
} |
993 |
> |
} |
994 |
> |
} |
995 |
> |
|
996 |
> |
/** |
997 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
998 |
> |
* Uninteresting threads are filtered out. |
999 |
> |
*/ |
1000 |
> |
static void dumpTestThreads() { |
1001 |
> |
SecurityManager sm = System.getSecurityManager(); |
1002 |
> |
if (sm != null) { |
1003 |
> |
try { |
1004 |
> |
System.setSecurityManager(null); |
1005 |
> |
} catch (SecurityException giveUp) { |
1006 |
> |
return; |
1007 |
> |
} |
1008 |
> |
} |
1009 |
> |
|
1010 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1011 |
> |
System.err.println("------ stacktrace dump start ------"); |
1012 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1013 |
> |
final String name = info.getThreadName(); |
1014 |
> |
String lockName; |
1015 |
> |
if ("Signal Dispatcher".equals(name)) |
1016 |
> |
continue; |
1017 |
> |
if ("Reference Handler".equals(name) |
1018 |
> |
&& (lockName = info.getLockName()) != null |
1019 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1020 |
> |
continue; |
1021 |
> |
if ("Finalizer".equals(name) |
1022 |
> |
&& (lockName = info.getLockName()) != null |
1023 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1024 |
> |
continue; |
1025 |
> |
if ("checkForWedgedTest".equals(name)) |
1026 |
> |
continue; |
1027 |
|
System.err.print(info); |
1028 |
+ |
} |
1029 |
+ |
System.err.println("------ stacktrace dump end ------"); |
1030 |
+ |
|
1031 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1032 |
|
} |
1033 |
|
|
1034 |
|
/** |
1048 |
|
delay(millis); |
1049 |
|
assertTrue(thread.isAlive()); |
1050 |
|
} catch (InterruptedException fail) { |
1051 |
< |
fail("Unexpected InterruptedException"); |
1051 |
> |
threadFail("Unexpected InterruptedException"); |
1052 |
|
} |
1053 |
|
} |
1054 |
|
|
1070 |
|
for (Thread thread : threads) |
1071 |
|
assertTrue(thread.isAlive()); |
1072 |
|
} catch (InterruptedException fail) { |
1073 |
< |
fail("Unexpected InterruptedException"); |
1073 |
> |
threadFail("Unexpected InterruptedException"); |
1074 |
|
} |
1075 |
|
} |
1076 |
|
|
1245 |
|
* Sleeps until the given time has elapsed. |
1246 |
|
* Throws AssertionFailedError if interrupted. |
1247 |
|
*/ |
1248 |
< |
void sleep(long millis) { |
1248 |
> |
static void sleep(long millis) { |
1249 |
|
try { |
1250 |
|
delay(millis); |
1251 |
|
} catch (InterruptedException fail) { |
1261 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1262 |
|
*/ |
1263 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1264 |
< |
long startTime = System.nanoTime(); |
1264 |
> |
long startTime = 0L; |
1265 |
|
for (;;) { |
1266 |
|
Thread.State s = thread.getState(); |
1267 |
|
if (s == Thread.State.BLOCKED || |
1270 |
|
return; |
1271 |
|
else if (s == Thread.State.TERMINATED) |
1272 |
|
fail("Unexpected thread termination"); |
1273 |
+ |
else if (startTime == 0L) |
1274 |
+ |
startTime = System.nanoTime(); |
1275 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1276 |
|
threadAssertTrue(thread.isAlive()); |
1277 |
|
return; |
1350 |
|
} finally { |
1351 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1352 |
|
t.interrupt(); |
1353 |
< |
fail("Test timed out"); |
1353 |
> |
threadFail("timed out waiting for thread to terminate"); |
1354 |
|
} |
1355 |
|
} |
1356 |
|
} |
1475 |
|
public static final String TEST_STRING = "a test string"; |
1476 |
|
|
1477 |
|
public static class StringTask implements Callable<String> { |
1478 |
< |
public String call() { return TEST_STRING; } |
1478 |
> |
final String value; |
1479 |
> |
public StringTask() { this(TEST_STRING); } |
1480 |
> |
public StringTask(String value) { this.value = value; } |
1481 |
> |
public String call() { return value; } |
1482 |
|
} |
1483 |
|
|
1484 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1491 |
|
}}; |
1492 |
|
} |
1493 |
|
|
1494 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1494 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1495 |
|
return new CheckedRunnable() { |
1496 |
|
public void realRun() throws InterruptedException { |
1497 |
< |
await(latch); |
1497 |
> |
latch.countDown(); |
1498 |
|
}}; |
1499 |
|
} |
1500 |
|
|
1501 |
< |
public void await(CountDownLatch latch) { |
1501 |
> |
class LatchAwaiter extends CheckedRunnable { |
1502 |
> |
static final int NEW = 0; |
1503 |
> |
static final int RUNNING = 1; |
1504 |
> |
static final int DONE = 2; |
1505 |
> |
final CountDownLatch latch; |
1506 |
> |
int state = NEW; |
1507 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1508 |
> |
public void realRun() throws InterruptedException { |
1509 |
> |
state = 1; |
1510 |
> |
await(latch); |
1511 |
> |
state = 2; |
1512 |
> |
} |
1513 |
> |
} |
1514 |
> |
|
1515 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1516 |
> |
return new LatchAwaiter(latch); |
1517 |
> |
} |
1518 |
> |
|
1519 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1520 |
|
try { |
1521 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1521 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1522 |
> |
fail("timed out waiting for CountDownLatch for " |
1523 |
> |
+ (timeoutMillis/1000) + " sec"); |
1524 |
|
} catch (Throwable fail) { |
1525 |
|
threadUnexpectedException(fail); |
1526 |
|
} |
1527 |
|
} |
1528 |
|
|
1529 |
+ |
public void await(CountDownLatch latch) { |
1530 |
+ |
await(latch, LONG_DELAY_MS); |
1531 |
+ |
} |
1532 |
+ |
|
1533 |
|
public void await(Semaphore semaphore) { |
1534 |
|
try { |
1535 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1535 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1536 |
> |
fail("timed out waiting for Semaphore for " |
1537 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1538 |
|
} catch (Throwable fail) { |
1539 |
|
threadUnexpectedException(fail); |
1540 |
|
} |
1764 |
|
* A CyclicBarrier that uses timed await and fails with |
1765 |
|
* AssertionFailedErrors instead of throwing checked exceptions. |
1766 |
|
*/ |
1767 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1767 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1768 |
|
public CheckedBarrier(int parties) { super(parties); } |
1769 |
|
|
1770 |
|
public int await() { |
1828 |
|
} |
1829 |
|
} |
1830 |
|
|
1831 |
+ |
void assertImmutable(final Object o) { |
1832 |
+ |
if (o instanceof Collection) { |
1833 |
+ |
assertThrows( |
1834 |
+ |
UnsupportedOperationException.class, |
1835 |
+ |
new Runnable() { public void run() { |
1836 |
+ |
((Collection) o).add(null);}}); |
1837 |
+ |
} |
1838 |
+ |
} |
1839 |
+ |
|
1840 |
|
@SuppressWarnings("unchecked") |
1841 |
|
<T> T serialClone(T o) { |
1842 |
|
try { |
1843 |
|
ObjectInputStream ois = new ObjectInputStream |
1844 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1845 |
|
T clone = (T) ois.readObject(); |
1846 |
+ |
if (o == clone) assertImmutable(o); |
1847 |
|
assertSame(o.getClass(), clone.getClass()); |
1848 |
|
return clone; |
1849 |
|
} catch (Throwable fail) { |
1852 |
|
} |
1853 |
|
} |
1854 |
|
|
1855 |
+ |
/** |
1856 |
+ |
* If o implements Cloneable and has a public clone method, |
1857 |
+ |
* returns a clone of o, else null. |
1858 |
+ |
*/ |
1859 |
+ |
@SuppressWarnings("unchecked") |
1860 |
+ |
<T> T cloneableClone(T o) { |
1861 |
+ |
if (!(o instanceof Cloneable)) return null; |
1862 |
+ |
final T clone; |
1863 |
+ |
try { |
1864 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1865 |
+ |
} catch (NoSuchMethodException ok) { |
1866 |
+ |
return null; |
1867 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1868 |
+ |
throw new Error(unexpected); |
1869 |
+ |
} |
1870 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1871 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1872 |
+ |
return clone; |
1873 |
+ |
} |
1874 |
+ |
|
1875 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1876 |
|
Runnable... throwingActions) { |
1877 |
|
for (Runnable throwingAction : throwingActions) { |
1900 |
|
} catch (NoSuchElementException success) {} |
1901 |
|
assertFalse(it.hasNext()); |
1902 |
|
} |
1903 |
+ |
|
1904 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1905 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1906 |
+ |
} |
1907 |
+ |
|
1908 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1909 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1910 |
+ |
} |
1911 |
+ |
|
1912 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1913 |
+ |
static final ExecutorService cachedThreadPool = |
1914 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1915 |
+ |
1000L, MILLISECONDS, |
1916 |
+ |
new SynchronousQueue<Runnable>()); |
1917 |
+ |
|
1918 |
+ |
static <T> void shuffle(T[] array) { |
1919 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1920 |
+ |
} |
1921 |
|
} |