6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
< |
import junit.framework.*; |
9 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
> |
import static java.util.concurrent.TimeUnit.MINUTES; |
11 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
12 |
> |
|
13 |
|
import java.io.ByteArrayInputStream; |
14 |
|
import java.io.ByteArrayOutputStream; |
15 |
|
import java.io.ObjectInputStream; |
16 |
|
import java.io.ObjectOutputStream; |
17 |
|
import java.lang.management.ManagementFactory; |
18 |
|
import java.lang.management.ThreadInfo; |
19 |
+ |
import java.lang.management.ThreadMXBean; |
20 |
+ |
import java.lang.reflect.Constructor; |
21 |
|
import java.lang.reflect.Method; |
22 |
+ |
import java.lang.reflect.Modifier; |
23 |
+ |
import java.security.CodeSource; |
24 |
+ |
import java.security.Permission; |
25 |
+ |
import java.security.PermissionCollection; |
26 |
+ |
import java.security.Permissions; |
27 |
+ |
import java.security.Policy; |
28 |
+ |
import java.security.ProtectionDomain; |
29 |
+ |
import java.security.SecurityPermission; |
30 |
|
import java.util.ArrayList; |
31 |
|
import java.util.Arrays; |
32 |
|
import java.util.Date; |
33 |
|
import java.util.Enumeration; |
34 |
+ |
import java.util.Iterator; |
35 |
|
import java.util.List; |
36 |
|
import java.util.NoSuchElementException; |
37 |
|
import java.util.PropertyPermission; |
38 |
< |
import java.util.concurrent.*; |
38 |
> |
import java.util.concurrent.BlockingQueue; |
39 |
> |
import java.util.concurrent.Callable; |
40 |
> |
import java.util.concurrent.CountDownLatch; |
41 |
> |
import java.util.concurrent.CyclicBarrier; |
42 |
> |
import java.util.concurrent.ExecutionException; |
43 |
> |
import java.util.concurrent.Executors; |
44 |
> |
import java.util.concurrent.ExecutorService; |
45 |
> |
import java.util.concurrent.ForkJoinPool; |
46 |
> |
import java.util.concurrent.Future; |
47 |
> |
import java.util.concurrent.RecursiveAction; |
48 |
> |
import java.util.concurrent.RecursiveTask; |
49 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
50 |
> |
import java.util.concurrent.Semaphore; |
51 |
> |
import java.util.concurrent.ThreadFactory; |
52 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
53 |
> |
import java.util.concurrent.TimeoutException; |
54 |
|
import java.util.concurrent.atomic.AtomicReference; |
26 |
– |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
27 |
– |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
55 |
|
import java.util.regex.Pattern; |
56 |
< |
import java.security.CodeSource; |
57 |
< |
import java.security.Permission; |
58 |
< |
import java.security.PermissionCollection; |
59 |
< |
import java.security.Permissions; |
60 |
< |
import java.security.Policy; |
61 |
< |
import java.security.ProtectionDomain; |
35 |
< |
import java.security.SecurityPermission; |
56 |
> |
|
57 |
> |
import junit.framework.AssertionFailedError; |
58 |
> |
import junit.framework.Test; |
59 |
> |
import junit.framework.TestCase; |
60 |
> |
import junit.framework.TestResult; |
61 |
> |
import junit.framework.TestSuite; |
62 |
|
|
63 |
|
/** |
64 |
|
* Base class for JSR166 Junit TCK tests. Defines some constants, |
70 |
|
* |
71 |
|
* <ol> |
72 |
|
* |
73 |
< |
* <li> All assertions in code running in generated threads must use |
73 |
> |
* <li>All assertions in code running in generated threads must use |
74 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
75 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
76 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
77 |
|
* particularly recommended) for other code to use these forms too. |
78 |
|
* Only the most typically used JUnit assertion methods are defined |
79 |
< |
* this way, but enough to live with.</li> |
79 |
> |
* this way, but enough to live with. |
80 |
|
* |
81 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
81 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
82 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
83 |
|
* them. These methods are used to clear and check for thread |
84 |
< |
* assertion failures.</li> |
84 |
> |
* assertion failures. |
85 |
|
* |
86 |
|
* <li>All delays and timeouts must use one of the constants {@code |
87 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
92 |
|
* is always discriminable as larger than SHORT and smaller than |
93 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
94 |
|
* but even so, if there is ever any doubt, they can all be increased |
95 |
< |
* in one spot to rerun tests on slower platforms.</li> |
95 |
> |
* in one spot to rerun tests on slower platforms. |
96 |
|
* |
97 |
< |
* <li> All threads generated must be joined inside each test case |
97 |
> |
* <li>All threads generated must be joined inside each test case |
98 |
|
* method (or {@code fail} to do so) before returning from the |
99 |
|
* method. The {@code joinPool} method can be used to do this when |
100 |
< |
* using Executors.</li> |
100 |
> |
* using Executors. |
101 |
|
* |
102 |
|
* </ol> |
103 |
|
* |
104 |
|
* <p><b>Other notes</b> |
105 |
|
* <ul> |
106 |
|
* |
107 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
107 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
108 |
|
* covering "normal" operation, and then as many exception-testing |
109 |
|
* methods as there are exceptions the method can throw. Sometimes |
110 |
|
* there are multiple tests per JSR166 method when the different |
111 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
112 |
|
* cover multiple methods when they cannot be tested in |
113 |
< |
* isolation.</li> |
113 |
> |
* isolation. |
114 |
|
* |
115 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
115 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
116 |
|
* a simple sentence or two describing the property that the testcase |
117 |
|
* method purports to test. The javadocs do not say anything about how |
118 |
< |
* the property is tested. To find out, read the code.</li> |
118 |
> |
* the property is tested. To find out, read the code. |
119 |
|
* |
120 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
120 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
121 |
|
* test throughput, latency, scalability or other performance factors |
122 |
|
* (see the separate "jtreg" tests for a set intended to check these |
123 |
|
* for the most central aspects of functionality.) So, most tests use |
124 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
125 |
< |
* needed to check basic conformance.</li> |
125 |
> |
* needed to check basic conformance. |
126 |
|
* |
127 |
|
* <li>The test classes currently do not declare inclusion in |
128 |
|
* any particular package to simplify things for people integrating |
129 |
< |
* them in TCK test suites.</li> |
129 |
> |
* them in TCK test suites. |
130 |
|
* |
131 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
132 |
< |
* runs all JSR166 unit tests.</li> |
131 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
132 |
> |
* runs all JSR166 unit tests. |
133 |
|
* |
134 |
|
* </ul> |
135 |
|
*/ |
168 |
|
Integer.getInteger("jsr166.runsPerTest", 1); |
169 |
|
|
170 |
|
/** |
171 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
172 |
+ |
*/ |
173 |
+ |
private static final int suiteRuns = |
174 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
175 |
+ |
|
176 |
+ |
public JSR166TestCase() { super(); } |
177 |
+ |
public JSR166TestCase(String name) { super(name); } |
178 |
+ |
|
179 |
+ |
/** |
180 |
|
* A filter for tests to run, matching strings of the form |
181 |
|
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
182 |
|
* Usefully combined with jsr166.runsPerTest. |
188 |
|
return (regex == null) ? null : Pattern.compile(regex); |
189 |
|
} |
190 |
|
|
191 |
< |
protected void runTest() throws Throwable { |
191 |
> |
static volatile TestCase currentTestCase; |
192 |
> |
static { |
193 |
> |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
194 |
> |
// avoid spurious reports with enormous runsPerTest |
195 |
> |
final int timeoutMinutes = Math.max(runsPerTest / 10, 1); |
196 |
> |
for (TestCase lastTestCase = currentTestCase;;) { |
197 |
> |
try { MINUTES.sleep(timeoutMinutes); } |
198 |
> |
catch (InterruptedException unexpected) { break; } |
199 |
> |
if (lastTestCase == currentTestCase) { |
200 |
> |
System.err.println |
201 |
> |
("Looks like we're stuck running test: " |
202 |
> |
+ lastTestCase); |
203 |
> |
dumpTestThreads(); |
204 |
> |
} |
205 |
> |
lastTestCase = currentTestCase; |
206 |
> |
}}}; |
207 |
> |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
208 |
> |
thread.setDaemon(true); |
209 |
> |
thread.start(); |
210 |
> |
} |
211 |
> |
|
212 |
> |
public void runBare() throws Throwable { |
213 |
> |
currentTestCase = this; |
214 |
|
if (methodFilter == null |
215 |
< |
|| methodFilter.matcher(toString()).find()) { |
216 |
< |
for (int i = 0; i < runsPerTest; i++) { |
217 |
< |
if (profileTests) |
218 |
< |
runTestProfiled(); |
219 |
< |
else |
220 |
< |
super.runTest(); |
221 |
< |
} |
215 |
> |
|| methodFilter.matcher(toString()).find()) |
216 |
> |
super.runBare(); |
217 |
> |
} |
218 |
> |
|
219 |
> |
protected void runTest() throws Throwable { |
220 |
> |
for (int i = 0; i < runsPerTest; i++) { |
221 |
> |
if (profileTests) |
222 |
> |
runTestProfiled(); |
223 |
> |
else |
224 |
> |
super.runTest(); |
225 |
|
} |
226 |
|
} |
227 |
|
|
228 |
|
protected void runTestProfiled() throws Throwable { |
229 |
< |
// Warmup run, notably to trigger all needed classloading. |
230 |
< |
super.runTest(); |
171 |
< |
long t0 = System.nanoTime(); |
172 |
< |
try { |
229 |
> |
for (int i = 0; i < 2; i++) { |
230 |
> |
long startTime = System.nanoTime(); |
231 |
|
super.runTest(); |
232 |
< |
} finally { |
233 |
< |
long elapsedMillis = millisElapsedSince(t0); |
234 |
< |
if (elapsedMillis >= profileThreshold) |
232 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
233 |
> |
if (elapsedMillis < profileThreshold) |
234 |
> |
break; |
235 |
> |
// Never report first run of any test; treat it as a |
236 |
> |
// warmup run, notably to trigger all needed classloading, |
237 |
> |
if (i > 0) |
238 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
239 |
|
} |
240 |
|
} |
241 |
|
|
242 |
|
/** |
243 |
|
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
183 |
– |
* Optional command line arg provides the number of iterations to |
184 |
– |
* repeat running the tests. |
244 |
|
*/ |
245 |
|
public static void main(String[] args) { |
246 |
+ |
main(suite(), args); |
247 |
+ |
} |
248 |
+ |
|
249 |
+ |
/** |
250 |
+ |
* Runs all unit tests in the given test suite. |
251 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
252 |
+ |
*/ |
253 |
+ |
static void main(Test suite, String[] args) { |
254 |
|
if (useSecurityManager) { |
255 |
|
System.err.println("Setting a permissive security manager"); |
256 |
|
Policy.setPolicy(permissivePolicy()); |
257 |
|
System.setSecurityManager(new SecurityManager()); |
258 |
|
} |
259 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
260 |
< |
|
261 |
< |
Test s = suite(); |
262 |
< |
for (int i = 0; i < iters; ++i) { |
196 |
< |
junit.textui.TestRunner.run(s); |
259 |
> |
for (int i = 0; i < suiteRuns; i++) { |
260 |
> |
TestResult result = junit.textui.TestRunner.run(suite); |
261 |
> |
if (!result.wasSuccessful()) |
262 |
> |
System.exit(1); |
263 |
|
System.gc(); |
264 |
|
System.runFinalization(); |
265 |
|
} |
200 |
– |
System.exit(0); |
266 |
|
} |
267 |
|
|
268 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
313 |
|
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
314 |
|
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
315 |
|
public static boolean atLeastJava9() { |
316 |
< |
// As of 2014-05, java9 still uses 52.0 class file version |
317 |
< |
return JAVA_SPECIFICATION_VERSION.startsWith("1.9"); |
316 |
> |
return JAVA_CLASS_VERSION >= 53.0 |
317 |
> |
// As of 2015-09, java9 still uses 52.0 class file version |
318 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
319 |
> |
} |
320 |
> |
public static boolean atLeastJava10() { |
321 |
> |
return JAVA_CLASS_VERSION >= 54.0 |
322 |
> |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
323 |
|
} |
324 |
|
|
325 |
|
/** |
408 |
|
"LongAdderTest", |
409 |
|
"SplittableRandomTest", |
410 |
|
"StampedLockTest", |
411 |
+ |
"SubmissionPublisherTest", |
412 |
|
"ThreadLocalRandom8Test", |
413 |
|
}; |
414 |
|
addNamedTestClasses(suite, java8TestClassNames); |
417 |
|
// Java9+ test classes |
418 |
|
if (atLeastJava9()) { |
419 |
|
String[] java9TestClassNames = { |
420 |
< |
"ThreadPoolExecutor9Test", |
420 |
> |
// Currently empty, but expecting varhandle tests |
421 |
|
}; |
422 |
|
addNamedTestClasses(suite, java9TestClassNames); |
423 |
|
} |
425 |
|
return suite; |
426 |
|
} |
427 |
|
|
428 |
+ |
/** Returns list of junit-style test method names in given class. */ |
429 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
430 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
431 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
432 |
+ |
for (Method method : methods) { |
433 |
+ |
if (method.getName().startsWith("test") |
434 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
435 |
+ |
// method.getParameterCount() requires jdk8+ |
436 |
+ |
&& method.getParameterTypes().length == 0) { |
437 |
+ |
names.add(method.getName()); |
438 |
+ |
} |
439 |
+ |
} |
440 |
+ |
return names; |
441 |
+ |
} |
442 |
+ |
|
443 |
+ |
/** |
444 |
+ |
* Returns junit-style testSuite for the given test class, but |
445 |
+ |
* parameterized by passing extra data to each test. |
446 |
+ |
*/ |
447 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
448 |
+ |
(Class<? extends JSR166TestCase> testClass, |
449 |
+ |
Class<ExtraData> dataClass, |
450 |
+ |
ExtraData data) { |
451 |
+ |
try { |
452 |
+ |
TestSuite suite = new TestSuite(); |
453 |
+ |
Constructor c = |
454 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
455 |
+ |
for (String methodName : testMethodNames(testClass)) |
456 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
457 |
+ |
return suite; |
458 |
+ |
} catch (Exception e) { |
459 |
+ |
throw new Error(e); |
460 |
+ |
} |
461 |
+ |
} |
462 |
+ |
|
463 |
+ |
/** |
464 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
465 |
+ |
* given test class, but parameterized by passing extra data to |
466 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
467 |
+ |
*/ |
468 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
469 |
+ |
(Class<? extends JSR166TestCase> testClass, |
470 |
+ |
Class<ExtraData> dataClass, |
471 |
+ |
ExtraData data) { |
472 |
+ |
if (atLeastJava8()) { |
473 |
+ |
String name = testClass.getName(); |
474 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
475 |
+ |
if (name.equals(name8)) throw new Error(name); |
476 |
+ |
try { |
477 |
+ |
return (Test) |
478 |
+ |
Class.forName(name8) |
479 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
480 |
+ |
.invoke(null, data); |
481 |
+ |
} catch (Exception e) { |
482 |
+ |
throw new Error(e); |
483 |
+ |
} |
484 |
+ |
} else { |
485 |
+ |
return new TestSuite(); |
486 |
+ |
} |
487 |
+ |
} |
488 |
+ |
|
489 |
|
// Delays for timing-dependent tests, in milliseconds. |
490 |
|
|
491 |
|
public static long SHORT_DELAY_MS; |
520 |
|
} |
521 |
|
|
522 |
|
/** |
523 |
< |
* Returns a new Date instance representing a time delayMillis |
524 |
< |
* milliseconds in the future. |
523 |
> |
* Returns a new Date instance representing a time at least |
524 |
> |
* delayMillis milliseconds in the future. |
525 |
|
*/ |
526 |
|
Date delayedDate(long delayMillis) { |
527 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
527 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
528 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
529 |
|
} |
530 |
|
|
531 |
|
/** |
541 |
|
* the same test have no effect. |
542 |
|
*/ |
543 |
|
public void threadRecordFailure(Throwable t) { |
544 |
+ |
System.err.println(t); |
545 |
+ |
dumpTestThreads(); |
546 |
|
threadFailure.compareAndSet(null, t); |
547 |
|
} |
548 |
|
|
550 |
|
setDelays(); |
551 |
|
} |
552 |
|
|
553 |
+ |
void tearDownFail(String format, Object... args) { |
554 |
+ |
String msg = toString() + ": " + String.format(format, args); |
555 |
+ |
System.err.println(msg); |
556 |
+ |
dumpTestThreads(); |
557 |
+ |
throw new AssertionFailedError(msg); |
558 |
+ |
} |
559 |
+ |
|
560 |
|
/** |
561 |
|
* Extra checks that get done for all test cases. |
562 |
|
* |
584 |
|
} |
585 |
|
|
586 |
|
if (Thread.interrupted()) |
587 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
587 |
> |
tearDownFail("interrupt status set in main thread"); |
588 |
|
|
589 |
|
checkForkJoinPoolThreadLeaks(); |
590 |
|
} |
591 |
|
|
592 |
|
/** |
593 |
< |
* Find missing try { ... } finally { joinPool(e); } |
593 |
> |
* Finds missing try { ... } finally { joinPool(e); } |
594 |
|
*/ |
595 |
|
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
596 |
< |
Thread[] survivors = new Thread[5]; |
596 |
> |
Thread[] survivors = new Thread[7]; |
597 |
|
int count = Thread.enumerate(survivors); |
598 |
|
for (int i = 0; i < count; i++) { |
599 |
|
Thread thread = survivors[i]; |
601 |
|
if (name.startsWith("ForkJoinPool-")) { |
602 |
|
// give thread some time to terminate |
603 |
|
thread.join(LONG_DELAY_MS); |
604 |
< |
if (!thread.isAlive()) continue; |
605 |
< |
thread.stop(); |
606 |
< |
throw new AssertionFailedError |
465 |
< |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
466 |
< |
toString(), name)); |
604 |
> |
if (thread.isAlive()) |
605 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
606 |
> |
thread); |
607 |
|
} |
608 |
|
} |
609 |
+ |
|
610 |
+ |
if (!ForkJoinPool.commonPool() |
611 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
612 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
613 |
|
} |
614 |
|
|
615 |
|
/** |
622 |
|
fail(reason); |
623 |
|
} catch (AssertionFailedError t) { |
624 |
|
threadRecordFailure(t); |
625 |
< |
fail(reason); |
625 |
> |
throw t; |
626 |
|
} |
627 |
|
} |
628 |
|
|
690 |
|
public void threadAssertEquals(Object x, Object y) { |
691 |
|
try { |
692 |
|
assertEquals(x, y); |
693 |
< |
} catch (AssertionFailedError t) { |
694 |
< |
threadRecordFailure(t); |
695 |
< |
throw t; |
696 |
< |
} catch (Throwable t) { |
697 |
< |
threadUnexpectedException(t); |
693 |
> |
} catch (AssertionFailedError fail) { |
694 |
> |
threadRecordFailure(fail); |
695 |
> |
throw fail; |
696 |
> |
} catch (Throwable fail) { |
697 |
> |
threadUnexpectedException(fail); |
698 |
|
} |
699 |
|
} |
700 |
|
|
706 |
|
public void threadAssertSame(Object x, Object y) { |
707 |
|
try { |
708 |
|
assertSame(x, y); |
709 |
< |
} catch (AssertionFailedError t) { |
710 |
< |
threadRecordFailure(t); |
711 |
< |
throw t; |
709 |
> |
} catch (AssertionFailedError fail) { |
710 |
> |
threadRecordFailure(fail); |
711 |
> |
throw fail; |
712 |
|
} |
713 |
|
} |
714 |
|
|
749 |
|
/** |
750 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
751 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
752 |
< |
* until time elapses. |
752 |
> |
* until time elapses. Ensures that the given time, as measured |
753 |
> |
* by System.nanoTime(), has elapsed. |
754 |
|
*/ |
755 |
|
static void delay(long millis) throws InterruptedException { |
756 |
< |
long startTime = System.nanoTime(); |
757 |
< |
long ns = millis * 1000 * 1000; |
758 |
< |
for (;;) { |
756 |
> |
long nanos = millis * (1000 * 1000); |
757 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
758 |
> |
do { |
759 |
|
if (millis > 0L) |
760 |
|
Thread.sleep(millis); |
761 |
|
else // too short to sleep |
762 |
|
Thread.yield(); |
763 |
< |
long d = ns - (System.nanoTime() - startTime); |
764 |
< |
if (d > 0L) |
765 |
< |
millis = d / (1000 * 1000); |
766 |
< |
else |
767 |
< |
break; |
768 |
< |
} |
763 |
> |
nanos = wakeupTime - System.nanoTime(); |
764 |
> |
millis = nanos / (1000 * 1000); |
765 |
> |
} while (nanos >= 0L); |
766 |
> |
} |
767 |
> |
|
768 |
> |
/** |
769 |
> |
* Allows use of try-with-resources with per-test thread pools. |
770 |
> |
*/ |
771 |
> |
class PoolCleaner implements AutoCloseable { |
772 |
> |
private final ExecutorService pool; |
773 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
774 |
> |
public void close() { joinPool(pool); } |
775 |
> |
} |
776 |
> |
|
777 |
> |
PoolCleaner cleaner(ExecutorService pool) { |
778 |
> |
return new PoolCleaner(pool); |
779 |
|
} |
780 |
|
|
781 |
|
/** |
782 |
|
* Waits out termination of a thread pool or fails doing so. |
783 |
|
*/ |
784 |
< |
void joinPool(ExecutorService exec) { |
784 |
> |
void joinPool(ExecutorService pool) { |
785 |
|
try { |
786 |
< |
exec.shutdown(); |
787 |
< |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
788 |
< |
fail("ExecutorService " + exec + |
789 |
< |
" did not terminate in a timely manner"); |
786 |
> |
pool.shutdown(); |
787 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
788 |
> |
try { |
789 |
> |
threadFail("ExecutorService " + pool + |
790 |
> |
" did not terminate in a timely manner"); |
791 |
> |
} finally { |
792 |
> |
// last resort, for the benefit of subsequent tests |
793 |
> |
pool.shutdownNow(); |
794 |
> |
pool.awaitTermination(SMALL_DELAY_MS, MILLISECONDS); |
795 |
> |
} |
796 |
> |
} |
797 |
|
} catch (SecurityException ok) { |
798 |
|
// Allowed in case test doesn't have privs |
799 |
< |
} catch (InterruptedException ie) { |
800 |
< |
fail("Unexpected InterruptedException"); |
799 |
> |
} catch (InterruptedException fail) { |
800 |
> |
threadFail("Unexpected InterruptedException"); |
801 |
|
} |
802 |
|
} |
803 |
|
|
804 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
805 |
+ |
interface Action { public void run() throws Throwable; } |
806 |
+ |
|
807 |
|
/** |
808 |
< |
* A debugging tool to print all stack traces, as jstack does. |
808 |
> |
* Runs all the given actions in parallel, failing if any fail. |
809 |
> |
* Useful for running multiple variants of tests that are |
810 |
> |
* necessarily individually slow because they must block. |
811 |
|
*/ |
812 |
< |
static void printAllStackTraces() { |
813 |
< |
for (ThreadInfo info : |
814 |
< |
ManagementFactory.getThreadMXBean() |
815 |
< |
.dumpAllThreads(true, true)) |
812 |
> |
void testInParallel(Action ... actions) { |
813 |
> |
ExecutorService pool = Executors.newCachedThreadPool(); |
814 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
815 |
> |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
816 |
> |
for (final Action action : actions) |
817 |
> |
futures.add(pool.submit(new CheckedRunnable() { |
818 |
> |
public void realRun() throws Throwable { action.run();}})); |
819 |
> |
for (Future<?> future : futures) |
820 |
> |
try { |
821 |
> |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
822 |
> |
} catch (ExecutionException ex) { |
823 |
> |
threadUnexpectedException(ex.getCause()); |
824 |
> |
} catch (Exception ex) { |
825 |
> |
threadUnexpectedException(ex); |
826 |
> |
} |
827 |
> |
} |
828 |
> |
} |
829 |
> |
|
830 |
> |
/** |
831 |
> |
* A debugging tool to print stack traces of most threads, as jstack does. |
832 |
> |
* Uninteresting threads are filtered out. |
833 |
> |
*/ |
834 |
> |
static void dumpTestThreads() { |
835 |
> |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
836 |
> |
System.err.println("------ stacktrace dump start ------"); |
837 |
> |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
838 |
> |
String name = info.getThreadName(); |
839 |
> |
if ("Signal Dispatcher".equals(name)) |
840 |
> |
continue; |
841 |
> |
if ("Reference Handler".equals(name) |
842 |
> |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
843 |
> |
continue; |
844 |
> |
if ("Finalizer".equals(name) |
845 |
> |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
846 |
> |
continue; |
847 |
> |
if ("checkForWedgedTest".equals(name)) |
848 |
> |
continue; |
849 |
|
System.err.print(info); |
850 |
+ |
} |
851 |
+ |
System.err.println("------ stacktrace dump end ------"); |
852 |
|
} |
853 |
|
|
854 |
|
/** |
867 |
|
// No need to optimize the failing case via Thread.join. |
868 |
|
delay(millis); |
869 |
|
assertTrue(thread.isAlive()); |
870 |
< |
} catch (InterruptedException ie) { |
871 |
< |
fail("Unexpected InterruptedException"); |
870 |
> |
} catch (InterruptedException fail) { |
871 |
> |
threadFail("Unexpected InterruptedException"); |
872 |
|
} |
873 |
|
} |
874 |
|
|
889 |
|
delay(millis); |
890 |
|
for (Thread thread : threads) |
891 |
|
assertTrue(thread.isAlive()); |
892 |
< |
} catch (InterruptedException ie) { |
893 |
< |
fail("Unexpected InterruptedException"); |
892 |
> |
} catch (InterruptedException fail) { |
893 |
> |
threadFail("Unexpected InterruptedException"); |
894 |
|
} |
895 |
|
} |
896 |
|
|
911 |
|
future.get(timeoutMillis, MILLISECONDS); |
912 |
|
shouldThrow(); |
913 |
|
} catch (TimeoutException success) { |
914 |
< |
} catch (Exception e) { |
915 |
< |
threadUnexpectedException(e); |
914 |
> |
} catch (Exception fail) { |
915 |
> |
threadUnexpectedException(fail); |
916 |
|
} finally { future.cancel(true); } |
917 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
918 |
|
} |
1068 |
|
void sleep(long millis) { |
1069 |
|
try { |
1070 |
|
delay(millis); |
1071 |
< |
} catch (InterruptedException ie) { |
1071 |
> |
} catch (InterruptedException fail) { |
1072 |
|
AssertionFailedError afe = |
1073 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1074 |
< |
afe.initCause(ie); |
1074 |
> |
afe.initCause(fail); |
1075 |
|
throw afe; |
1076 |
|
} |
1077 |
|
} |
1109 |
|
/** |
1110 |
|
* Returns the number of milliseconds since time given by |
1111 |
|
* startNanoTime, which must have been previously returned from a |
1112 |
< |
* call to {@link System.nanoTime()}. |
1112 |
> |
* call to {@link System#nanoTime()}. |
1113 |
|
*/ |
1114 |
|
static long millisElapsedSince(long startNanoTime) { |
1115 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1163 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1164 |
|
try { |
1165 |
|
t.join(timeoutMillis); |
1166 |
< |
} catch (InterruptedException ie) { |
1167 |
< |
threadUnexpectedException(ie); |
1166 |
> |
} catch (InterruptedException fail) { |
1167 |
> |
threadUnexpectedException(fail); |
1168 |
|
} finally { |
1169 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1170 |
|
t.interrupt(); |
1190 |
|
public final void run() { |
1191 |
|
try { |
1192 |
|
realRun(); |
1193 |
< |
} catch (Throwable t) { |
1194 |
< |
threadUnexpectedException(t); |
1193 |
> |
} catch (Throwable fail) { |
1194 |
> |
threadUnexpectedException(fail); |
1195 |
|
} |
1196 |
|
} |
1197 |
|
} |
1245 |
|
threadShouldThrow("InterruptedException"); |
1246 |
|
} catch (InterruptedException success) { |
1247 |
|
threadAssertFalse(Thread.interrupted()); |
1248 |
< |
} catch (Throwable t) { |
1249 |
< |
threadUnexpectedException(t); |
1248 |
> |
} catch (Throwable fail) { |
1249 |
> |
threadUnexpectedException(fail); |
1250 |
|
} |
1251 |
|
} |
1252 |
|
} |
1257 |
|
public final T call() { |
1258 |
|
try { |
1259 |
|
return realCall(); |
1260 |
< |
} catch (Throwable t) { |
1261 |
< |
threadUnexpectedException(t); |
1260 |
> |
} catch (Throwable fail) { |
1261 |
> |
threadUnexpectedException(fail); |
1262 |
|
return null; |
1263 |
|
} |
1264 |
|
} |
1275 |
|
return result; |
1276 |
|
} catch (InterruptedException success) { |
1277 |
|
threadAssertFalse(Thread.interrupted()); |
1278 |
< |
} catch (Throwable t) { |
1279 |
< |
threadUnexpectedException(t); |
1278 |
> |
} catch (Throwable fail) { |
1279 |
> |
threadUnexpectedException(fail); |
1280 |
|
} |
1281 |
|
return null; |
1282 |
|
} |
1293 |
|
public static final String TEST_STRING = "a test string"; |
1294 |
|
|
1295 |
|
public static class StringTask implements Callable<String> { |
1296 |
< |
public String call() { return TEST_STRING; } |
1296 |
> |
final String value; |
1297 |
> |
public StringTask() { this(TEST_STRING); } |
1298 |
> |
public StringTask(String value) { this.value = value; } |
1299 |
> |
public String call() { return value; } |
1300 |
|
} |
1301 |
|
|
1302 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1309 |
|
}}; |
1310 |
|
} |
1311 |
|
|
1312 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1312 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1313 |
|
return new CheckedRunnable() { |
1314 |
|
public void realRun() throws InterruptedException { |
1315 |
< |
await(latch); |
1315 |
> |
latch.countDown(); |
1316 |
|
}}; |
1317 |
|
} |
1318 |
|
|
1319 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1320 |
+ |
static final int NEW = 0; |
1321 |
+ |
static final int RUNNING = 1; |
1322 |
+ |
static final int DONE = 2; |
1323 |
+ |
final CountDownLatch latch; |
1324 |
+ |
int state = NEW; |
1325 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1326 |
+ |
public void realRun() throws InterruptedException { |
1327 |
+ |
state = 1; |
1328 |
+ |
await(latch); |
1329 |
+ |
state = 2; |
1330 |
+ |
} |
1331 |
+ |
} |
1332 |
+ |
|
1333 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1334 |
+ |
return new LatchAwaiter(latch); |
1335 |
+ |
} |
1336 |
+ |
|
1337 |
|
public void await(CountDownLatch latch) { |
1338 |
|
try { |
1339 |
|
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1340 |
< |
} catch (Throwable t) { |
1341 |
< |
threadUnexpectedException(t); |
1340 |
> |
} catch (Throwable fail) { |
1341 |
> |
threadUnexpectedException(fail); |
1342 |
|
} |
1343 |
|
} |
1344 |
|
|
1345 |
|
public void await(Semaphore semaphore) { |
1346 |
|
try { |
1347 |
|
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1348 |
< |
} catch (Throwable t) { |
1349 |
< |
threadUnexpectedException(t); |
1348 |
> |
} catch (Throwable fail) { |
1349 |
> |
threadUnexpectedException(fail); |
1350 |
|
} |
1351 |
|
} |
1352 |
|
|
1540 |
|
@Override protected final void compute() { |
1541 |
|
try { |
1542 |
|
realCompute(); |
1543 |
< |
} catch (Throwable t) { |
1544 |
< |
threadUnexpectedException(t); |
1543 |
> |
} catch (Throwable fail) { |
1544 |
> |
threadUnexpectedException(fail); |
1545 |
|
} |
1546 |
|
} |
1547 |
|
} |
1555 |
|
@Override protected final T compute() { |
1556 |
|
try { |
1557 |
|
return realCompute(); |
1558 |
< |
} catch (Throwable t) { |
1559 |
< |
threadUnexpectedException(t); |
1558 |
> |
} catch (Throwable fail) { |
1559 |
> |
threadUnexpectedException(fail); |
1560 |
|
return null; |
1561 |
|
} |
1562 |
|
} |
1580 |
|
public int await() { |
1581 |
|
try { |
1582 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1583 |
< |
} catch (TimeoutException e) { |
1583 |
> |
} catch (TimeoutException timedOut) { |
1584 |
|
throw new AssertionFailedError("timed out"); |
1585 |
< |
} catch (Exception e) { |
1585 |
> |
} catch (Exception fail) { |
1586 |
|
AssertionFailedError afe = |
1587 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1588 |
< |
afe.initCause(e); |
1587 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1588 |
> |
afe.initCause(fail); |
1589 |
|
throw afe; |
1590 |
|
} |
1591 |
|
} |
1613 |
|
q.remove(); |
1614 |
|
shouldThrow(); |
1615 |
|
} catch (NoSuchElementException success) {} |
1616 |
< |
} catch (InterruptedException ie) { |
1394 |
< |
threadUnexpectedException(ie); |
1395 |
< |
} |
1616 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1617 |
|
} |
1618 |
|
|
1619 |
|
void assertSerialEquals(Object x, Object y) { |
1632 |
|
oos.flush(); |
1633 |
|
oos.close(); |
1634 |
|
return bos.toByteArray(); |
1635 |
< |
} catch (Throwable t) { |
1636 |
< |
threadUnexpectedException(t); |
1635 |
> |
} catch (Throwable fail) { |
1636 |
> |
threadUnexpectedException(fail); |
1637 |
|
return new byte[0]; |
1638 |
|
} |
1639 |
|
} |
1646 |
|
T clone = (T) ois.readObject(); |
1647 |
|
assertSame(o.getClass(), clone.getClass()); |
1648 |
|
return clone; |
1649 |
< |
} catch (Throwable t) { |
1650 |
< |
threadUnexpectedException(t); |
1649 |
> |
} catch (Throwable fail) { |
1650 |
> |
threadUnexpectedException(fail); |
1651 |
|
return null; |
1652 |
|
} |
1653 |
|
} |
1672 |
|
shouldThrow(expectedExceptionClass.getName()); |
1673 |
|
} |
1674 |
|
} |
1675 |
+ |
|
1676 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1677 |
+ |
try { |
1678 |
+ |
it.next(); |
1679 |
+ |
shouldThrow(); |
1680 |
+ |
} catch (NoSuchElementException success) {} |
1681 |
+ |
assertFalse(it.hasNext()); |
1682 |
+ |
} |
1683 |
|
} |