6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
< |
import junit.framework.*; |
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 |
> |
*/ |
17 |
> |
|
18 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
19 |
> |
import static java.util.concurrent.TimeUnit.MINUTES; |
20 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
21 |
> |
|
22 |
|
import java.io.ByteArrayInputStream; |
23 |
|
import java.io.ByteArrayOutputStream; |
24 |
|
import java.io.ObjectInputStream; |
25 |
|
import java.io.ObjectOutputStream; |
26 |
< |
import java.util.Arrays; |
27 |
< |
import java.util.Date; |
28 |
< |
import java.util.NoSuchElementException; |
29 |
< |
import java.util.PropertyPermission; |
30 |
< |
import java.util.concurrent.*; |
31 |
< |
import java.util.concurrent.atomic.AtomicBoolean; |
32 |
< |
import java.util.concurrent.atomic.AtomicReference; |
33 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
22 |
< |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
26 |
> |
import java.lang.management.ManagementFactory; |
27 |
> |
import java.lang.management.ThreadInfo; |
28 |
> |
import java.lang.management.ThreadMXBean; |
29 |
> |
import java.lang.reflect.Constructor; |
30 |
> |
import java.lang.reflect.Method; |
31 |
> |
import java.lang.reflect.Modifier; |
32 |
> |
import java.nio.file.Files; |
33 |
> |
import java.nio.file.Paths; |
34 |
|
import java.security.CodeSource; |
35 |
|
import java.security.Permission; |
36 |
|
import java.security.PermissionCollection; |
38 |
|
import java.security.Policy; |
39 |
|
import java.security.ProtectionDomain; |
40 |
|
import java.security.SecurityPermission; |
41 |
+ |
import java.util.ArrayList; |
42 |
+ |
import java.util.Arrays; |
43 |
+ |
import java.util.Date; |
44 |
+ |
import java.util.Enumeration; |
45 |
+ |
import java.util.Iterator; |
46 |
+ |
import java.util.List; |
47 |
+ |
import java.util.NoSuchElementException; |
48 |
+ |
import java.util.PropertyPermission; |
49 |
+ |
import java.util.concurrent.BlockingQueue; |
50 |
+ |
import java.util.concurrent.Callable; |
51 |
+ |
import java.util.concurrent.CountDownLatch; |
52 |
+ |
import java.util.concurrent.CyclicBarrier; |
53 |
+ |
import java.util.concurrent.ExecutionException; |
54 |
+ |
import java.util.concurrent.Executors; |
55 |
+ |
import java.util.concurrent.ExecutorService; |
56 |
+ |
import java.util.concurrent.ForkJoinPool; |
57 |
+ |
import java.util.concurrent.Future; |
58 |
+ |
import java.util.concurrent.RecursiveAction; |
59 |
+ |
import java.util.concurrent.RecursiveTask; |
60 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
61 |
+ |
import java.util.concurrent.Semaphore; |
62 |
+ |
import java.util.concurrent.SynchronousQueue; |
63 |
+ |
import java.util.concurrent.ThreadFactory; |
64 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
65 |
+ |
import java.util.concurrent.TimeoutException; |
66 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
67 |
+ |
import java.util.concurrent.atomic.AtomicReference; |
68 |
+ |
import java.util.regex.Matcher; |
69 |
+ |
import java.util.regex.Pattern; |
70 |
+ |
|
71 |
+ |
import junit.framework.AssertionFailedError; |
72 |
+ |
import junit.framework.Test; |
73 |
+ |
import junit.framework.TestCase; |
74 |
+ |
import junit.framework.TestResult; |
75 |
+ |
import junit.framework.TestSuite; |
76 |
|
|
77 |
|
/** |
78 |
|
* Base class for JSR166 Junit TCK tests. Defines some constants, |
84 |
|
* |
85 |
|
* <ol> |
86 |
|
* |
87 |
< |
* <li> All assertions in code running in generated threads must use |
87 |
> |
* <li>All assertions in code running in generated threads must use |
88 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
89 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
90 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
91 |
|
* particularly recommended) for other code to use these forms too. |
92 |
|
* Only the most typically used JUnit assertion methods are defined |
93 |
< |
* this way, but enough to live with.</li> |
93 |
> |
* this way, but enough to live with. |
94 |
|
* |
95 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
95 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
96 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
97 |
|
* them. These methods are used to clear and check for thread |
98 |
< |
* assertion failures.</li> |
98 |
> |
* assertion failures. |
99 |
|
* |
100 |
|
* <li>All delays and timeouts must use one of the constants {@code |
101 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
106 |
|
* is always discriminable as larger than SHORT and smaller than |
107 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
108 |
|
* but even so, if there is ever any doubt, they can all be increased |
109 |
< |
* in one spot to rerun tests on slower platforms.</li> |
109 |
> |
* in one spot to rerun tests on slower platforms. |
110 |
|
* |
111 |
< |
* <li> All threads generated must be joined inside each test case |
111 |
> |
* <li>All threads generated must be joined inside each test case |
112 |
|
* method (or {@code fail} to do so) before returning from the |
113 |
|
* method. The {@code joinPool} method can be used to do this when |
114 |
< |
* using Executors.</li> |
114 |
> |
* using Executors. |
115 |
|
* |
116 |
|
* </ol> |
117 |
|
* |
118 |
< |
* <p> <b>Other notes</b> |
118 |
> |
* <p><b>Other notes</b> |
119 |
|
* <ul> |
120 |
|
* |
121 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
121 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
122 |
|
* covering "normal" operation, and then as many exception-testing |
123 |
|
* methods as there are exceptions the method can throw. Sometimes |
124 |
|
* there are multiple tests per JSR166 method when the different |
125 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
126 |
< |
* cover multiple methods when they cannot be tested in |
81 |
< |
* isolation.</li> |
126 |
> |
* cover multiple methods when they cannot be tested in isolation. |
127 |
|
* |
128 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
128 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
129 |
|
* a simple sentence or two describing the property that the testcase |
130 |
|
* method purports to test. The javadocs do not say anything about how |
131 |
< |
* the property is tested. To find out, read the code.</li> |
131 |
> |
* the property is tested. To find out, read the code. |
132 |
|
* |
133 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
133 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
134 |
|
* test throughput, latency, scalability or other performance factors |
135 |
|
* (see the separate "jtreg" tests for a set intended to check these |
136 |
|
* for the most central aspects of functionality.) So, most tests use |
137 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
138 |
< |
* needed to check basic conformance.</li> |
138 |
> |
* needed to check basic conformance. |
139 |
|
* |
140 |
|
* <li>The test classes currently do not declare inclusion in |
141 |
|
* any particular package to simplify things for people integrating |
142 |
< |
* them in TCK test suites.</li> |
142 |
> |
* them in TCK test suites. |
143 |
|
* |
144 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
145 |
< |
* runs all JSR166 unit tests.</li> |
144 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
145 |
> |
* runs all JSR166 unit tests. |
146 |
|
* |
147 |
|
* </ul> |
148 |
|
*/ |
154 |
|
Boolean.getBoolean("jsr166.expensiveTests"); |
155 |
|
|
156 |
|
/** |
157 |
+ |
* If true, also run tests that are not part of the official tck |
158 |
+ |
* because they test unspecified implementation details. |
159 |
+ |
*/ |
160 |
+ |
protected static final boolean testImplementationDetails = |
161 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
162 |
+ |
|
163 |
+ |
/** |
164 |
|
* If true, report on stdout all "slow" tests, that is, ones that |
165 |
|
* take more than profileThreshold milliseconds to execute. |
166 |
|
*/ |
174 |
|
private static final long profileThreshold = |
175 |
|
Long.getLong("jsr166.profileThreshold", 100); |
176 |
|
|
177 |
+ |
/** |
178 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
179 |
+ |
*/ |
180 |
+ |
private static final int runsPerTest = |
181 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
182 |
+ |
|
183 |
+ |
/** |
184 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
185 |
+ |
*/ |
186 |
+ |
private static final int suiteRuns = |
187 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
188 |
+ |
|
189 |
+ |
/** |
190 |
+ |
* Returns the value of the system property, or NaN if not defined. |
191 |
+ |
*/ |
192 |
+ |
private static float systemPropertyValue(String name) { |
193 |
+ |
String floatString = System.getProperty(name); |
194 |
+ |
if (floatString == null) |
195 |
+ |
return Float.NaN; |
196 |
+ |
try { |
197 |
+ |
return Float.parseFloat(floatString); |
198 |
+ |
} catch (NumberFormatException ex) { |
199 |
+ |
throw new IllegalArgumentException( |
200 |
+ |
String.format("Bad float value in system property %s=%s", |
201 |
+ |
name, floatString)); |
202 |
+ |
} |
203 |
+ |
} |
204 |
+ |
|
205 |
+ |
/** |
206 |
+ |
* The scaling factor to apply to standard delays used in tests. |
207 |
+ |
* May be initialized from any of: |
208 |
+ |
* - the "jsr166.delay.factor" system property |
209 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
210 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
211 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
212 |
+ |
*/ |
213 |
+ |
private static final float delayFactor = delayFactor(); |
214 |
+ |
|
215 |
+ |
private static float delayFactor() { |
216 |
+ |
float x; |
217 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
218 |
+ |
return x; |
219 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
220 |
+ |
return x; |
221 |
+ |
String prop = System.getProperty("java.vm.version"); |
222 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
223 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
224 |
+ |
return 1.0f; |
225 |
+ |
} |
226 |
+ |
|
227 |
+ |
public JSR166TestCase() { super(); } |
228 |
+ |
public JSR166TestCase(String name) { super(name); } |
229 |
+ |
|
230 |
+ |
/** |
231 |
+ |
* A filter for tests to run, matching strings of the form |
232 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
233 |
+ |
* Usefully combined with jsr166.runsPerTest. |
234 |
+ |
*/ |
235 |
+ |
private static final Pattern methodFilter = methodFilter(); |
236 |
+ |
|
237 |
+ |
private static Pattern methodFilter() { |
238 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
239 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
240 |
+ |
} |
241 |
+ |
|
242 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
243 |
+ |
static volatile TestCase currentTestCase; |
244 |
+ |
// static volatile int currentRun = 0; |
245 |
+ |
static { |
246 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
247 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
248 |
+ |
// A single test case run should never take more than 1 second. |
249 |
+ |
// But let's cap it at the high end too ... |
250 |
+ |
final int timeoutMinutes = |
251 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
252 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
253 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
254 |
+ |
catch (InterruptedException unexpected) { break; } |
255 |
+ |
if (lastTestCase == currentTestCase) { |
256 |
+ |
System.err.printf( |
257 |
+ |
"Looks like we're stuck running test: %s%n", |
258 |
+ |
lastTestCase); |
259 |
+ |
// System.err.printf( |
260 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
261 |
+ |
// lastTestCase, currentRun, runsPerTest); |
262 |
+ |
// System.err.println("availableProcessors=" + |
263 |
+ |
// Runtime.getRuntime().availableProcessors()); |
264 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
265 |
+ |
dumpTestThreads(); |
266 |
+ |
// one stack dump is probably enough; more would be spam |
267 |
+ |
break; |
268 |
+ |
} |
269 |
+ |
lastTestCase = currentTestCase; |
270 |
+ |
}}}; |
271 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
272 |
+ |
thread.setDaemon(true); |
273 |
+ |
thread.start(); |
274 |
+ |
} |
275 |
+ |
|
276 |
+ |
// public static String cpuModel() { |
277 |
+ |
// try { |
278 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
279 |
+ |
// .matcher(new String( |
280 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
281 |
+ |
// matcher.find(); |
282 |
+ |
// return matcher.group(1); |
283 |
+ |
// } catch (Exception ex) { return null; } |
284 |
+ |
// } |
285 |
+ |
|
286 |
+ |
public void runBare() throws Throwable { |
287 |
+ |
currentTestCase = this; |
288 |
+ |
if (methodFilter == null |
289 |
+ |
|| methodFilter.matcher(toString()).find()) |
290 |
+ |
super.runBare(); |
291 |
+ |
} |
292 |
+ |
|
293 |
|
protected void runTest() throws Throwable { |
294 |
< |
if (profileTests) |
295 |
< |
runTestProfiled(); |
296 |
< |
else |
297 |
< |
super.runTest(); |
294 |
> |
for (int i = 0; i < runsPerTest; i++) { |
295 |
> |
// currentRun = i; |
296 |
> |
if (profileTests) |
297 |
> |
runTestProfiled(); |
298 |
> |
else |
299 |
> |
super.runTest(); |
300 |
> |
} |
301 |
|
} |
302 |
|
|
303 |
|
protected void runTestProfiled() throws Throwable { |
304 |
< |
long t0 = System.nanoTime(); |
305 |
< |
try { |
304 |
> |
for (int i = 0; i < 2; i++) { |
305 |
> |
long startTime = System.nanoTime(); |
306 |
|
super.runTest(); |
307 |
< |
} finally { |
308 |
< |
long elapsedMillis = |
309 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
310 |
< |
if (elapsedMillis >= profileThreshold) |
307 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
308 |
> |
if (elapsedMillis < profileThreshold) |
309 |
> |
break; |
310 |
> |
// Never report first run of any test; treat it as a |
311 |
> |
// warmup run, notably to trigger all needed classloading, |
312 |
> |
if (i > 0) |
313 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
314 |
|
} |
315 |
|
} |
316 |
|
|
317 |
|
/** |
318 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
318 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
319 |
|
*/ |
320 |
|
public static void main(String[] args) { |
321 |
+ |
main(suite(), args); |
322 |
+ |
} |
323 |
+ |
|
324 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
325 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
326 |
+ |
long runTime; |
327 |
+ |
public void startTest(Test test) {} |
328 |
+ |
protected void printHeader(long runTime) { |
329 |
+ |
this.runTime = runTime; // defer printing for later |
330 |
+ |
} |
331 |
+ |
protected void printFooter(TestResult result) { |
332 |
+ |
if (result.wasSuccessful()) { |
333 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
334 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
335 |
+ |
} else { |
336 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
337 |
+ |
super.printFooter(result); |
338 |
+ |
} |
339 |
+ |
} |
340 |
+ |
} |
341 |
+ |
|
342 |
+ |
/** |
343 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
344 |
+ |
* fluff, like printing a "." for each test case. |
345 |
+ |
*/ |
346 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
347 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
348 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
349 |
+ |
return runner; |
350 |
+ |
} |
351 |
+ |
|
352 |
+ |
/** |
353 |
+ |
* Runs all unit tests in the given test suite. |
354 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
355 |
+ |
*/ |
356 |
+ |
static void main(Test suite, String[] args) { |
357 |
|
if (useSecurityManager) { |
358 |
|
System.err.println("Setting a permissive security manager"); |
359 |
|
Policy.setPolicy(permissivePolicy()); |
360 |
|
System.setSecurityManager(new SecurityManager()); |
361 |
|
} |
362 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
363 |
< |
|
364 |
< |
Test s = suite(); |
365 |
< |
for (int i = 0; i < iters; ++i) { |
157 |
< |
junit.textui.TestRunner.run(s); |
362 |
> |
for (int i = 0; i < suiteRuns; i++) { |
363 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
364 |
> |
if (!result.wasSuccessful()) |
365 |
> |
System.exit(1); |
366 |
|
System.gc(); |
367 |
|
System.runFinalization(); |
368 |
|
} |
161 |
– |
System.exit(0); |
369 |
|
} |
370 |
|
|
371 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
381 |
|
return suite; |
382 |
|
} |
383 |
|
|
384 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
385 |
+ |
String... testClassNames) { |
386 |
+ |
for (String testClassName : testClassNames) { |
387 |
+ |
try { |
388 |
+ |
Class<?> testClass = Class.forName(testClassName); |
389 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
390 |
+ |
new Class<?>[0]); |
391 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
392 |
+ |
} catch (Exception e) { |
393 |
+ |
throw new Error("Missing test class", e); |
394 |
+ |
} |
395 |
+ |
} |
396 |
+ |
} |
397 |
+ |
|
398 |
+ |
public static final double JAVA_CLASS_VERSION; |
399 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
400 |
+ |
static { |
401 |
+ |
try { |
402 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
403 |
+ |
new java.security.PrivilegedAction<Double>() { |
404 |
+ |
public Double run() { |
405 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
406 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
407 |
+ |
new java.security.PrivilegedAction<String>() { |
408 |
+ |
public String run() { |
409 |
+ |
return System.getProperty("java.specification.version");}}); |
410 |
+ |
} catch (Throwable t) { |
411 |
+ |
throw new Error(t); |
412 |
+ |
} |
413 |
+ |
} |
414 |
+ |
|
415 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
416 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
417 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
418 |
+ |
public static boolean atLeastJava9() { |
419 |
+ |
return JAVA_CLASS_VERSION >= 53.0 |
420 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
421 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
422 |
+ |
} |
423 |
+ |
public static boolean atLeastJava10() { |
424 |
+ |
return JAVA_CLASS_VERSION >= 54.0 |
425 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
426 |
+ |
} |
427 |
+ |
|
428 |
|
/** |
429 |
|
* Collects all JSR166 unit tests as one suite. |
430 |
|
*/ |
431 |
|
public static Test suite() { |
432 |
< |
return newTestSuite( |
432 |
> |
// Java7+ test classes |
433 |
> |
TestSuite suite = newTestSuite( |
434 |
|
ForkJoinPoolTest.suite(), |
435 |
|
ForkJoinTaskTest.suite(), |
436 |
|
RecursiveActionTest.suite(), |
495 |
|
TreeSetTest.suite(), |
496 |
|
TreeSubMapTest.suite(), |
497 |
|
TreeSubSetTest.suite()); |
498 |
+ |
|
499 |
+ |
// Java8+ test classes |
500 |
+ |
if (atLeastJava8()) { |
501 |
+ |
String[] java8TestClassNames = { |
502 |
+ |
"Atomic8Test", |
503 |
+ |
"CompletableFutureTest", |
504 |
+ |
"ConcurrentHashMap8Test", |
505 |
+ |
"CountedCompleterTest", |
506 |
+ |
"DoubleAccumulatorTest", |
507 |
+ |
"DoubleAdderTest", |
508 |
+ |
"ForkJoinPool8Test", |
509 |
+ |
"ForkJoinTask8Test", |
510 |
+ |
"LongAccumulatorTest", |
511 |
+ |
"LongAdderTest", |
512 |
+ |
"SplittableRandomTest", |
513 |
+ |
"StampedLockTest", |
514 |
+ |
"SubmissionPublisherTest", |
515 |
+ |
"ThreadLocalRandom8Test", |
516 |
+ |
"TimeUnit8Test", |
517 |
+ |
}; |
518 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
519 |
+ |
} |
520 |
+ |
|
521 |
+ |
// Java9+ test classes |
522 |
+ |
if (atLeastJava9()) { |
523 |
+ |
String[] java9TestClassNames = { |
524 |
+ |
"ExecutorCompletionService9Test", |
525 |
+ |
}; |
526 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
527 |
+ |
} |
528 |
+ |
|
529 |
+ |
return suite; |
530 |
+ |
} |
531 |
+ |
|
532 |
+ |
/** Returns list of junit-style test method names in given class. */ |
533 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
534 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
535 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
536 |
+ |
for (Method method : methods) { |
537 |
+ |
if (method.getName().startsWith("test") |
538 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
539 |
+ |
// method.getParameterCount() requires jdk8+ |
540 |
+ |
&& method.getParameterTypes().length == 0) { |
541 |
+ |
names.add(method.getName()); |
542 |
+ |
} |
543 |
+ |
} |
544 |
+ |
return names; |
545 |
+ |
} |
546 |
+ |
|
547 |
+ |
/** |
548 |
+ |
* Returns junit-style testSuite for the given test class, but |
549 |
+ |
* parameterized by passing extra data to each test. |
550 |
+ |
*/ |
551 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
552 |
+ |
(Class<? extends JSR166TestCase> testClass, |
553 |
+ |
Class<ExtraData> dataClass, |
554 |
+ |
ExtraData data) { |
555 |
+ |
try { |
556 |
+ |
TestSuite suite = new TestSuite(); |
557 |
+ |
Constructor c = |
558 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
559 |
+ |
for (String methodName : testMethodNames(testClass)) |
560 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
561 |
+ |
return suite; |
562 |
+ |
} catch (Exception e) { |
563 |
+ |
throw new Error(e); |
564 |
+ |
} |
565 |
+ |
} |
566 |
+ |
|
567 |
+ |
/** |
568 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
569 |
+ |
* given test class, but parameterized by passing extra data to |
570 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
571 |
+ |
*/ |
572 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
573 |
+ |
(Class<? extends JSR166TestCase> testClass, |
574 |
+ |
Class<ExtraData> dataClass, |
575 |
+ |
ExtraData data) { |
576 |
+ |
if (atLeastJava8()) { |
577 |
+ |
String name = testClass.getName(); |
578 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
579 |
+ |
if (name.equals(name8)) throw new Error(name); |
580 |
+ |
try { |
581 |
+ |
return (Test) |
582 |
+ |
Class.forName(name8) |
583 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
584 |
+ |
.invoke(null, data); |
585 |
+ |
} catch (Exception e) { |
586 |
+ |
throw new Error(e); |
587 |
+ |
} |
588 |
+ |
} else { |
589 |
+ |
return new TestSuite(); |
590 |
+ |
} |
591 |
|
} |
592 |
|
|
593 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
594 |
|
|
595 |
|
public static long SHORT_DELAY_MS; |
596 |
|
public static long SMALL_DELAY_MS; |
597 |
|
public static long MEDIUM_DELAY_MS; |
598 |
|
public static long LONG_DELAY_MS; |
599 |
|
|
254 |
– |
|
600 |
|
/** |
601 |
< |
* Returns the shortest timed delay. This could |
602 |
< |
* be reimplemented to use for example a Property. |
601 |
> |
* Returns the shortest timed delay. This can be scaled up for |
602 |
> |
* slow machines using the jsr166.delay.factor system property, |
603 |
> |
* or via jtreg's -timeoutFactor: flag. |
604 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
605 |
|
*/ |
606 |
|
protected long getShortDelay() { |
607 |
< |
return 50; |
607 |
> |
return (long) (50 * delayFactor); |
608 |
|
} |
609 |
|
|
610 |
|
/** |
626 |
|
} |
627 |
|
|
628 |
|
/** |
629 |
< |
* Returns a new Date instance representing a time delayMillis |
630 |
< |
* milliseconds in the future. |
629 |
> |
* Returns a new Date instance representing a time at least |
630 |
> |
* delayMillis milliseconds in the future. |
631 |
|
*/ |
632 |
|
Date delayedDate(long delayMillis) { |
633 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
633 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
634 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
635 |
|
} |
636 |
|
|
637 |
|
/** |
647 |
|
* the same test have no effect. |
648 |
|
*/ |
649 |
|
public void threadRecordFailure(Throwable t) { |
650 |
+ |
System.err.println(t); |
651 |
+ |
dumpTestThreads(); |
652 |
|
threadFailure.compareAndSet(null, t); |
653 |
|
} |
654 |
|
|
656 |
|
setDelays(); |
657 |
|
} |
658 |
|
|
659 |
+ |
void tearDownFail(String format, Object... args) { |
660 |
+ |
String msg = toString() + ": " + String.format(format, args); |
661 |
+ |
System.err.println(msg); |
662 |
+ |
dumpTestThreads(); |
663 |
+ |
throw new AssertionFailedError(msg); |
664 |
+ |
} |
665 |
+ |
|
666 |
|
/** |
667 |
|
* Extra checks that get done for all test cases. |
668 |
|
* |
690 |
|
} |
691 |
|
|
692 |
|
if (Thread.interrupted()) |
693 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
693 |
> |
tearDownFail("interrupt status set in main thread"); |
694 |
> |
|
695 |
> |
checkForkJoinPoolThreadLeaks(); |
696 |
> |
} |
697 |
> |
|
698 |
> |
/** |
699 |
> |
* Finds missing PoolCleaners |
700 |
> |
*/ |
701 |
> |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
702 |
> |
Thread[] survivors = new Thread[7]; |
703 |
> |
int count = Thread.enumerate(survivors); |
704 |
> |
for (int i = 0; i < count; i++) { |
705 |
> |
Thread thread = survivors[i]; |
706 |
> |
String name = thread.getName(); |
707 |
> |
if (name.startsWith("ForkJoinPool-")) { |
708 |
> |
// give thread some time to terminate |
709 |
> |
thread.join(LONG_DELAY_MS); |
710 |
> |
if (thread.isAlive()) |
711 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
712 |
> |
thread); |
713 |
> |
} |
714 |
> |
} |
715 |
> |
|
716 |
> |
if (!ForkJoinPool.commonPool() |
717 |
> |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
718 |
> |
tearDownFail("ForkJoin common pool thread stuck"); |
719 |
|
} |
720 |
|
|
721 |
|
/** |
728 |
|
fail(reason); |
729 |
|
} catch (AssertionFailedError t) { |
730 |
|
threadRecordFailure(t); |
731 |
< |
fail(reason); |
731 |
> |
throw t; |
732 |
|
} |
733 |
|
} |
734 |
|
|
796 |
|
public void threadAssertEquals(Object x, Object y) { |
797 |
|
try { |
798 |
|
assertEquals(x, y); |
799 |
< |
} catch (AssertionFailedError t) { |
800 |
< |
threadRecordFailure(t); |
801 |
< |
throw t; |
802 |
< |
} catch (Throwable t) { |
803 |
< |
threadUnexpectedException(t); |
799 |
> |
} catch (AssertionFailedError fail) { |
800 |
> |
threadRecordFailure(fail); |
801 |
> |
throw fail; |
802 |
> |
} catch (Throwable fail) { |
803 |
> |
threadUnexpectedException(fail); |
804 |
|
} |
805 |
|
} |
806 |
|
|
812 |
|
public void threadAssertSame(Object x, Object y) { |
813 |
|
try { |
814 |
|
assertSame(x, y); |
815 |
< |
} catch (AssertionFailedError t) { |
816 |
< |
threadRecordFailure(t); |
817 |
< |
throw t; |
815 |
> |
} catch (AssertionFailedError fail) { |
816 |
> |
threadRecordFailure(fail); |
817 |
> |
throw fail; |
818 |
|
} |
819 |
|
} |
820 |
|
|
855 |
|
/** |
856 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
857 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
858 |
< |
* until time elapses. |
858 |
> |
* until time elapses. Ensures that the given time, as measured |
859 |
> |
* by System.nanoTime(), has elapsed. |
860 |
|
*/ |
861 |
|
static void delay(long millis) throws InterruptedException { |
862 |
< |
long startTime = System.nanoTime(); |
863 |
< |
long ns = millis * 1000 * 1000; |
864 |
< |
for (;;) { |
862 |
> |
long nanos = millis * (1000 * 1000); |
863 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
864 |
> |
do { |
865 |
|
if (millis > 0L) |
866 |
|
Thread.sleep(millis); |
867 |
|
else // too short to sleep |
868 |
|
Thread.yield(); |
869 |
< |
long d = ns - (System.nanoTime() - startTime); |
870 |
< |
if (d > 0L) |
871 |
< |
millis = d / (1000 * 1000); |
872 |
< |
else |
873 |
< |
break; |
869 |
> |
nanos = wakeupTime - System.nanoTime(); |
870 |
> |
millis = nanos / (1000 * 1000); |
871 |
> |
} while (nanos >= 0L); |
872 |
> |
} |
873 |
> |
|
874 |
> |
/** |
875 |
> |
* Allows use of try-with-resources with per-test thread pools. |
876 |
> |
*/ |
877 |
> |
class PoolCleaner implements AutoCloseable { |
878 |
> |
private final ExecutorService pool; |
879 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
880 |
> |
public void close() { joinPool(pool); } |
881 |
> |
} |
882 |
> |
|
883 |
> |
/** |
884 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
885 |
> |
*/ |
886 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
887 |
> |
private final Runnable releaser; |
888 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
889 |
> |
super(pool); |
890 |
> |
this.releaser = releaser; |
891 |
> |
} |
892 |
> |
public void close() { |
893 |
> |
try { |
894 |
> |
releaser.run(); |
895 |
> |
} finally { |
896 |
> |
super.close(); |
897 |
> |
} |
898 |
|
} |
899 |
|
} |
900 |
|
|
901 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
902 |
+ |
return new PoolCleaner(pool); |
903 |
+ |
} |
904 |
+ |
|
905 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
906 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
907 |
+ |
} |
908 |
+ |
|
909 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
910 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
911 |
+ |
} |
912 |
+ |
|
913 |
+ |
Runnable releaser(final CountDownLatch latch) { |
914 |
+ |
return new Runnable() { public void run() { |
915 |
+ |
do { latch.countDown(); } |
916 |
+ |
while (latch.getCount() > 0); |
917 |
+ |
}}; |
918 |
+ |
} |
919 |
+ |
|
920 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
921 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
922 |
+ |
} |
923 |
+ |
|
924 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
925 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
926 |
+ |
} |
927 |
+ |
|
928 |
|
/** |
929 |
|
* Waits out termination of a thread pool or fails doing so. |
930 |
|
*/ |
931 |
< |
void joinPool(ExecutorService exec) { |
931 |
> |
void joinPool(ExecutorService pool) { |
932 |
|
try { |
933 |
< |
exec.shutdown(); |
934 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
935 |
< |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
933 |
> |
pool.shutdown(); |
934 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
935 |
> |
try { |
936 |
> |
threadFail("ExecutorService " + pool + |
937 |
> |
" did not terminate in a timely manner"); |
938 |
> |
} finally { |
939 |
> |
// last resort, for the benefit of subsequent tests |
940 |
> |
pool.shutdownNow(); |
941 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
942 |
> |
} |
943 |
> |
} |
944 |
|
} catch (SecurityException ok) { |
945 |
|
// Allowed in case test doesn't have privs |
946 |
< |
} catch (InterruptedException ie) { |
947 |
< |
fail("Unexpected InterruptedException"); |
946 |
> |
} catch (InterruptedException fail) { |
947 |
> |
threadFail("Unexpected InterruptedException"); |
948 |
|
} |
949 |
|
} |
950 |
|
|
951 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
952 |
+ |
interface Action { public void run() throws Throwable; } |
953 |
+ |
|
954 |
+ |
/** |
955 |
+ |
* Runs all the given actions in parallel, failing if any fail. |
956 |
+ |
* Useful for running multiple variants of tests that are |
957 |
+ |
* necessarily individually slow because they must block. |
958 |
+ |
*/ |
959 |
+ |
void testInParallel(Action ... actions) { |
960 |
+ |
ExecutorService pool = Executors.newCachedThreadPool(); |
961 |
+ |
try (PoolCleaner cleaner = cleaner(pool)) { |
962 |
+ |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
963 |
+ |
for (final Action action : actions) |
964 |
+ |
futures.add(pool.submit(new CheckedRunnable() { |
965 |
+ |
public void realRun() throws Throwable { action.run();}})); |
966 |
+ |
for (Future<?> future : futures) |
967 |
+ |
try { |
968 |
+ |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
969 |
+ |
} catch (ExecutionException ex) { |
970 |
+ |
threadUnexpectedException(ex.getCause()); |
971 |
+ |
} catch (Exception ex) { |
972 |
+ |
threadUnexpectedException(ex); |
973 |
+ |
} |
974 |
+ |
} |
975 |
+ |
} |
976 |
+ |
|
977 |
+ |
/** |
978 |
+ |
* A debugging tool to print stack traces of most threads, as jstack does. |
979 |
+ |
* Uninteresting threads are filtered out. |
980 |
+ |
*/ |
981 |
+ |
static void dumpTestThreads() { |
982 |
+ |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
983 |
+ |
System.err.println("------ stacktrace dump start ------"); |
984 |
+ |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
985 |
+ |
String name = info.getThreadName(); |
986 |
+ |
if ("Signal Dispatcher".equals(name)) |
987 |
+ |
continue; |
988 |
+ |
if ("Reference Handler".equals(name) |
989 |
+ |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
990 |
+ |
continue; |
991 |
+ |
if ("Finalizer".equals(name) |
992 |
+ |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
993 |
+ |
continue; |
994 |
+ |
if ("checkForWedgedTest".equals(name)) |
995 |
+ |
continue; |
996 |
+ |
System.err.print(info); |
997 |
+ |
} |
998 |
+ |
System.err.println("------ stacktrace dump end ------"); |
999 |
+ |
} |
1000 |
+ |
|
1001 |
|
/** |
1002 |
|
* Checks that thread does not terminate within the default |
1003 |
|
* millisecond delay of {@code timeoutMillis()}. |
1014 |
|
// No need to optimize the failing case via Thread.join. |
1015 |
|
delay(millis); |
1016 |
|
assertTrue(thread.isAlive()); |
1017 |
< |
} catch (InterruptedException ie) { |
1018 |
< |
fail("Unexpected InterruptedException"); |
1017 |
> |
} catch (InterruptedException fail) { |
1018 |
> |
threadFail("Unexpected InterruptedException"); |
1019 |
> |
} |
1020 |
> |
} |
1021 |
> |
|
1022 |
> |
/** |
1023 |
> |
* Checks that the threads do not terminate within the default |
1024 |
> |
* millisecond delay of {@code timeoutMillis()}. |
1025 |
> |
*/ |
1026 |
> |
void assertThreadsStayAlive(Thread... threads) { |
1027 |
> |
assertThreadsStayAlive(timeoutMillis(), threads); |
1028 |
> |
} |
1029 |
> |
|
1030 |
> |
/** |
1031 |
> |
* Checks that the threads do not terminate within the given millisecond delay. |
1032 |
> |
*/ |
1033 |
> |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1034 |
> |
try { |
1035 |
> |
// No need to optimize the failing case via Thread.join. |
1036 |
> |
delay(millis); |
1037 |
> |
for (Thread thread : threads) |
1038 |
> |
assertTrue(thread.isAlive()); |
1039 |
> |
} catch (InterruptedException fail) { |
1040 |
> |
threadFail("Unexpected InterruptedException"); |
1041 |
|
} |
1042 |
|
} |
1043 |
|
|
1058 |
|
future.get(timeoutMillis, MILLISECONDS); |
1059 |
|
shouldThrow(); |
1060 |
|
} catch (TimeoutException success) { |
1061 |
< |
} catch (Exception e) { |
1062 |
< |
threadUnexpectedException(e); |
1061 |
> |
} catch (Exception fail) { |
1062 |
> |
threadUnexpectedException(fail); |
1063 |
|
} finally { future.cancel(true); } |
1064 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
1065 |
|
} |
1103 |
|
public static final Integer m6 = new Integer(-6); |
1104 |
|
public static final Integer m10 = new Integer(-10); |
1105 |
|
|
592 |
– |
|
1106 |
|
/** |
1107 |
|
* Runs Runnable r with a security policy that permits precisely |
1108 |
|
* the specified permissions. If there is no current security |
1114 |
|
SecurityManager sm = System.getSecurityManager(); |
1115 |
|
if (sm == null) { |
1116 |
|
r.run(); |
1117 |
+ |
} |
1118 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1119 |
+ |
} |
1120 |
+ |
|
1121 |
+ |
/** |
1122 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1123 |
+ |
* the specified permissions. If there is no current security |
1124 |
+ |
* manager, a temporary one is set for the duration of the |
1125 |
+ |
* Runnable. We require that any security manager permit |
1126 |
+ |
* getPolicy/setPolicy. |
1127 |
+ |
*/ |
1128 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1129 |
+ |
Permission... permissions) { |
1130 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1131 |
+ |
if (sm == null) { |
1132 |
|
Policy savedPolicy = Policy.getPolicy(); |
1133 |
|
try { |
1134 |
|
Policy.setPolicy(permissivePolicy()); |
1135 |
|
System.setSecurityManager(new SecurityManager()); |
1136 |
< |
runWithPermissions(r, permissions); |
1136 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1137 |
|
} finally { |
1138 |
|
System.setSecurityManager(null); |
1139 |
|
Policy.setPolicy(savedPolicy); |
1181 |
|
return perms.implies(p); |
1182 |
|
} |
1183 |
|
public void refresh() {} |
1184 |
+ |
public String toString() { |
1185 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
1186 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1187 |
+ |
ps.add(e.nextElement()); |
1188 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1189 |
+ |
} |
1190 |
|
} |
1191 |
|
|
1192 |
|
/** |
1215 |
|
void sleep(long millis) { |
1216 |
|
try { |
1217 |
|
delay(millis); |
1218 |
< |
} catch (InterruptedException ie) { |
1218 |
> |
} catch (InterruptedException fail) { |
1219 |
|
AssertionFailedError afe = |
1220 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1221 |
< |
afe.initCause(ie); |
1221 |
> |
afe.initCause(fail); |
1222 |
|
throw afe; |
1223 |
|
} |
1224 |
|
} |
1256 |
|
/** |
1257 |
|
* Returns the number of milliseconds since time given by |
1258 |
|
* startNanoTime, which must have been previously returned from a |
1259 |
< |
* call to {@link System.nanoTime()}. |
1259 |
> |
* call to {@link System#nanoTime()}. |
1260 |
|
*/ |
1261 |
< |
long millisElapsedSince(long startNanoTime) { |
1261 |
> |
static long millisElapsedSince(long startNanoTime) { |
1262 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1263 |
|
} |
1264 |
|
|
1265 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1266 |
+ |
// long startTime = System.nanoTime(); |
1267 |
+ |
// try { |
1268 |
+ |
// r.run(); |
1269 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1270 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1271 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
1272 |
+ |
// } |
1273 |
+ |
|
1274 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
1275 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1276 |
+ |
// } |
1277 |
+ |
|
1278 |
+ |
/** |
1279 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
1280 |
+ |
* wait for the timeout to elapse before returning. |
1281 |
+ |
*/ |
1282 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1283 |
+ |
long startTime = System.nanoTime(); |
1284 |
+ |
try { |
1285 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1286 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1287 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1288 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
1289 |
+ |
} |
1290 |
+ |
|
1291 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1292 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1293 |
+ |
} |
1294 |
+ |
|
1295 |
|
/** |
1296 |
|
* Returns a new started daemon Thread running the given runnable. |
1297 |
|
*/ |
1310 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1311 |
|
try { |
1312 |
|
t.join(timeoutMillis); |
1313 |
< |
} catch (InterruptedException ie) { |
1314 |
< |
threadUnexpectedException(ie); |
1313 |
> |
} catch (InterruptedException fail) { |
1314 |
> |
threadUnexpectedException(fail); |
1315 |
|
} finally { |
1316 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1317 |
|
t.interrupt(); |
1318 |
< |
fail("Test timed out"); |
1318 |
> |
threadFail("timed out waiting for thread to terminate"); |
1319 |
|
} |
1320 |
|
} |
1321 |
|
} |
1337 |
|
public final void run() { |
1338 |
|
try { |
1339 |
|
realRun(); |
1340 |
< |
} catch (Throwable t) { |
1341 |
< |
threadUnexpectedException(t); |
1340 |
> |
} catch (Throwable fail) { |
1341 |
> |
threadUnexpectedException(fail); |
1342 |
|
} |
1343 |
|
} |
1344 |
|
} |
1392 |
|
threadShouldThrow("InterruptedException"); |
1393 |
|
} catch (InterruptedException success) { |
1394 |
|
threadAssertFalse(Thread.interrupted()); |
1395 |
< |
} catch (Throwable t) { |
1396 |
< |
threadUnexpectedException(t); |
1395 |
> |
} catch (Throwable fail) { |
1396 |
> |
threadUnexpectedException(fail); |
1397 |
|
} |
1398 |
|
} |
1399 |
|
} |
1404 |
|
public final T call() { |
1405 |
|
try { |
1406 |
|
return realCall(); |
1407 |
< |
} catch (Throwable t) { |
1408 |
< |
threadUnexpectedException(t); |
1407 |
> |
} catch (Throwable fail) { |
1408 |
> |
threadUnexpectedException(fail); |
1409 |
|
return null; |
1410 |
|
} |
1411 |
|
} |
1422 |
|
return result; |
1423 |
|
} catch (InterruptedException success) { |
1424 |
|
threadAssertFalse(Thread.interrupted()); |
1425 |
< |
} catch (Throwable t) { |
1426 |
< |
threadUnexpectedException(t); |
1425 |
> |
} catch (Throwable fail) { |
1426 |
> |
threadUnexpectedException(fail); |
1427 |
|
} |
1428 |
|
return null; |
1429 |
|
} |
1440 |
|
public static final String TEST_STRING = "a test string"; |
1441 |
|
|
1442 |
|
public static class StringTask implements Callable<String> { |
1443 |
< |
public String call() { return TEST_STRING; } |
1443 |
> |
final String value; |
1444 |
> |
public StringTask() { this(TEST_STRING); } |
1445 |
> |
public StringTask(String value) { this.value = value; } |
1446 |
> |
public String call() { return value; } |
1447 |
|
} |
1448 |
|
|
1449 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1456 |
|
}}; |
1457 |
|
} |
1458 |
|
|
1459 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1459 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1460 |
|
return new CheckedRunnable() { |
1461 |
|
public void realRun() throws InterruptedException { |
1462 |
< |
await(latch); |
1462 |
> |
latch.countDown(); |
1463 |
|
}}; |
1464 |
|
} |
1465 |
|
|
1466 |
+ |
class LatchAwaiter extends CheckedRunnable { |
1467 |
+ |
static final int NEW = 0; |
1468 |
+ |
static final int RUNNING = 1; |
1469 |
+ |
static final int DONE = 2; |
1470 |
+ |
final CountDownLatch latch; |
1471 |
+ |
int state = NEW; |
1472 |
+ |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1473 |
+ |
public void realRun() throws InterruptedException { |
1474 |
+ |
state = 1; |
1475 |
+ |
await(latch); |
1476 |
+ |
state = 2; |
1477 |
+ |
} |
1478 |
+ |
} |
1479 |
+ |
|
1480 |
+ |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1481 |
+ |
return new LatchAwaiter(latch); |
1482 |
+ |
} |
1483 |
+ |
|
1484 |
+ |
public void await(CountDownLatch latch, long timeoutMillis) { |
1485 |
+ |
try { |
1486 |
+ |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1487 |
+ |
fail("timed out waiting for CountDownLatch for " |
1488 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1489 |
+ |
} catch (Throwable fail) { |
1490 |
+ |
threadUnexpectedException(fail); |
1491 |
+ |
} |
1492 |
+ |
} |
1493 |
+ |
|
1494 |
|
public void await(CountDownLatch latch) { |
1495 |
+ |
await(latch, LONG_DELAY_MS); |
1496 |
+ |
} |
1497 |
+ |
|
1498 |
+ |
public void await(Semaphore semaphore) { |
1499 |
|
try { |
1500 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1501 |
< |
} catch (Throwable t) { |
1502 |
< |
threadUnexpectedException(t); |
1500 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1501 |
> |
fail("timed out waiting for Semaphore for " |
1502 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1503 |
> |
} catch (Throwable fail) { |
1504 |
> |
threadUnexpectedException(fail); |
1505 |
|
} |
1506 |
|
} |
1507 |
|
|
1692 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1693 |
|
protected abstract void realCompute() throws Throwable; |
1694 |
|
|
1695 |
< |
public final void compute() { |
1695 |
> |
@Override protected final void compute() { |
1696 |
|
try { |
1697 |
|
realCompute(); |
1698 |
< |
} catch (Throwable t) { |
1699 |
< |
threadUnexpectedException(t); |
1698 |
> |
} catch (Throwable fail) { |
1699 |
> |
threadUnexpectedException(fail); |
1700 |
|
} |
1701 |
|
} |
1702 |
|
} |
1707 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1708 |
|
protected abstract T realCompute() throws Throwable; |
1709 |
|
|
1710 |
< |
public final T compute() { |
1710 |
> |
@Override protected final T compute() { |
1711 |
|
try { |
1712 |
|
return realCompute(); |
1713 |
< |
} catch (Throwable t) { |
1714 |
< |
threadUnexpectedException(t); |
1713 |
> |
} catch (Throwable fail) { |
1714 |
> |
threadUnexpectedException(fail); |
1715 |
|
return null; |
1716 |
|
} |
1717 |
|
} |
1735 |
|
public int await() { |
1736 |
|
try { |
1737 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1738 |
< |
} catch (TimeoutException e) { |
1738 |
> |
} catch (TimeoutException timedOut) { |
1739 |
|
throw new AssertionFailedError("timed out"); |
1740 |
< |
} catch (Exception e) { |
1740 |
> |
} catch (Exception fail) { |
1741 |
|
AssertionFailedError afe = |
1742 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1743 |
< |
afe.initCause(e); |
1742 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1743 |
> |
afe.initCause(fail); |
1744 |
|
throw afe; |
1745 |
|
} |
1746 |
|
} |
1768 |
|
q.remove(); |
1769 |
|
shouldThrow(); |
1770 |
|
} catch (NoSuchElementException success) {} |
1771 |
< |
} catch (InterruptedException ie) { |
1171 |
< |
threadUnexpectedException(ie); |
1172 |
< |
} |
1771 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1772 |
|
} |
1773 |
|
|
1774 |
< |
@SuppressWarnings("unchecked") |
1775 |
< |
<T> T serialClone(T o) { |
1774 |
> |
void assertSerialEquals(Object x, Object y) { |
1775 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1776 |
> |
} |
1777 |
> |
|
1778 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1779 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1780 |
> |
} |
1781 |
> |
|
1782 |
> |
byte[] serialBytes(Object o) { |
1783 |
|
try { |
1784 |
|
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1785 |
|
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1786 |
|
oos.writeObject(o); |
1787 |
|
oos.flush(); |
1788 |
|
oos.close(); |
1789 |
+ |
return bos.toByteArray(); |
1790 |
+ |
} catch (Throwable fail) { |
1791 |
+ |
threadUnexpectedException(fail); |
1792 |
+ |
return new byte[0]; |
1793 |
+ |
} |
1794 |
+ |
} |
1795 |
+ |
|
1796 |
+ |
@SuppressWarnings("unchecked") |
1797 |
+ |
<T> T serialClone(T o) { |
1798 |
+ |
try { |
1799 |
|
ObjectInputStream ois = new ObjectInputStream |
1800 |
< |
(new ByteArrayInputStream(bos.toByteArray())); |
1800 |
> |
(new ByteArrayInputStream(serialBytes(o))); |
1801 |
|
T clone = (T) ois.readObject(); |
1802 |
|
assertSame(o.getClass(), clone.getClass()); |
1803 |
|
return clone; |
1804 |
< |
} catch (Throwable t) { |
1805 |
< |
threadUnexpectedException(t); |
1804 |
> |
} catch (Throwable fail) { |
1805 |
> |
threadUnexpectedException(fail); |
1806 |
|
return null; |
1807 |
|
} |
1808 |
|
} |
1809 |
+ |
|
1810 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1811 |
+ |
Runnable... throwingActions) { |
1812 |
+ |
for (Runnable throwingAction : throwingActions) { |
1813 |
+ |
boolean threw = false; |
1814 |
+ |
try { throwingAction.run(); } |
1815 |
+ |
catch (Throwable t) { |
1816 |
+ |
threw = true; |
1817 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1818 |
+ |
AssertionFailedError afe = |
1819 |
+ |
new AssertionFailedError |
1820 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1821 |
+ |
", got " + t.getClass().getName()); |
1822 |
+ |
afe.initCause(t); |
1823 |
+ |
threadUnexpectedException(afe); |
1824 |
+ |
} |
1825 |
+ |
} |
1826 |
+ |
if (!threw) |
1827 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1828 |
+ |
} |
1829 |
+ |
} |
1830 |
+ |
|
1831 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1832 |
+ |
try { |
1833 |
+ |
it.next(); |
1834 |
+ |
shouldThrow(); |
1835 |
+ |
} catch (NoSuchElementException success) {} |
1836 |
+ |
assertFalse(it.hasNext()); |
1837 |
+ |
} |
1838 |
+ |
|
1839 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1840 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1841 |
+ |
} |
1842 |
+ |
|
1843 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1844 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1845 |
+ |
} |
1846 |
+ |
|
1847 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1848 |
+ |
static final ExecutorService cachedThreadPool = |
1849 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1850 |
+ |
1000L, MILLISECONDS, |
1851 |
+ |
new SynchronousQueue<Runnable>()); |
1852 |
+ |
|
1853 |
|
} |