6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
< |
import junit.framework.*; |
9 |
> |
/* |
10 |
> |
* @test |
11 |
> |
* @summary JSR-166 tck tests (conformance testing mode) |
12 |
> |
* @build * |
13 |
> |
* @modules java.management |
14 |
> |
* @run junit/othervm/timeout=1000 JSR166TestCase |
15 |
> |
*/ |
16 |
> |
|
17 |
> |
/* |
18 |
> |
* @test |
19 |
> |
* @summary JSR-166 tck tests (whitebox tests allowed) |
20 |
> |
* @build * |
21 |
> |
* @modules java.base/java.util.concurrent:open |
22 |
> |
* java.base/java.lang:open |
23 |
> |
* java.management |
24 |
> |
* @run junit/othervm/timeout=1000 |
25 |
> |
* -Djsr166.testImplementationDetails=true |
26 |
> |
* JSR166TestCase |
27 |
> |
* @run junit/othervm/timeout=1000 |
28 |
> |
* -Djsr166.testImplementationDetails=true |
29 |
> |
* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 |
30 |
> |
* JSR166TestCase |
31 |
> |
* @run junit/othervm/timeout=1000 |
32 |
> |
* -Djsr166.testImplementationDetails=true |
33 |
> |
* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 |
34 |
> |
* -Djava.util.secureRandomSeed=true |
35 |
> |
* JSR166TestCase |
36 |
> |
* @run junit/othervm/timeout=1000/policy=tck.policy |
37 |
> |
* -Djsr166.testImplementationDetails=true |
38 |
> |
* JSR166TestCase |
39 |
> |
*/ |
40 |
> |
|
41 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
42 |
> |
import static java.util.concurrent.TimeUnit.MINUTES; |
43 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
44 |
> |
|
45 |
|
import java.io.ByteArrayInputStream; |
46 |
|
import java.io.ByteArrayOutputStream; |
47 |
|
import java.io.ObjectInputStream; |
48 |
|
import java.io.ObjectOutputStream; |
49 |
< |
import java.util.Arrays; |
50 |
< |
import java.util.Date; |
51 |
< |
import java.util.NoSuchElementException; |
52 |
< |
import java.util.PropertyPermission; |
53 |
< |
import java.util.concurrent.*; |
54 |
< |
import java.util.concurrent.atomic.AtomicBoolean; |
55 |
< |
import java.util.concurrent.atomic.AtomicReference; |
56 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
22 |
< |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
49 |
> |
import java.lang.management.ManagementFactory; |
50 |
> |
import java.lang.management.ThreadInfo; |
51 |
> |
import java.lang.management.ThreadMXBean; |
52 |
> |
import java.lang.reflect.Constructor; |
53 |
> |
import java.lang.reflect.Method; |
54 |
> |
import java.lang.reflect.Modifier; |
55 |
> |
import java.nio.file.Files; |
56 |
> |
import java.nio.file.Paths; |
57 |
|
import java.security.CodeSource; |
58 |
|
import java.security.Permission; |
59 |
|
import java.security.PermissionCollection; |
61 |
|
import java.security.Policy; |
62 |
|
import java.security.ProtectionDomain; |
63 |
|
import java.security.SecurityPermission; |
64 |
+ |
import java.util.ArrayList; |
65 |
+ |
import java.util.Arrays; |
66 |
+ |
import java.util.Collection; |
67 |
+ |
import java.util.Collections; |
68 |
+ |
import java.util.Date; |
69 |
+ |
import java.util.Enumeration; |
70 |
+ |
import java.util.Iterator; |
71 |
+ |
import java.util.List; |
72 |
+ |
import java.util.NoSuchElementException; |
73 |
+ |
import java.util.PropertyPermission; |
74 |
+ |
import java.util.concurrent.BlockingQueue; |
75 |
+ |
import java.util.concurrent.Callable; |
76 |
+ |
import java.util.concurrent.CountDownLatch; |
77 |
+ |
import java.util.concurrent.CyclicBarrier; |
78 |
+ |
import java.util.concurrent.ExecutionException; |
79 |
+ |
import java.util.concurrent.Executors; |
80 |
+ |
import java.util.concurrent.ExecutorService; |
81 |
+ |
import java.util.concurrent.ForkJoinPool; |
82 |
+ |
import java.util.concurrent.Future; |
83 |
+ |
import java.util.concurrent.RecursiveAction; |
84 |
+ |
import java.util.concurrent.RecursiveTask; |
85 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
86 |
+ |
import java.util.concurrent.Semaphore; |
87 |
+ |
import java.util.concurrent.SynchronousQueue; |
88 |
+ |
import java.util.concurrent.ThreadFactory; |
89 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
90 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
91 |
+ |
import java.util.concurrent.TimeoutException; |
92 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
93 |
+ |
import java.util.concurrent.atomic.AtomicReference; |
94 |
+ |
import java.util.regex.Matcher; |
95 |
+ |
import java.util.regex.Pattern; |
96 |
+ |
|
97 |
+ |
import junit.framework.AssertionFailedError; |
98 |
+ |
import junit.framework.Test; |
99 |
+ |
import junit.framework.TestCase; |
100 |
+ |
import junit.framework.TestResult; |
101 |
+ |
import junit.framework.TestSuite; |
102 |
|
|
103 |
|
/** |
104 |
|
* Base class for JSR166 Junit TCK tests. Defines some constants, |
110 |
|
* |
111 |
|
* <ol> |
112 |
|
* |
113 |
< |
* <li> All assertions in code running in generated threads must use |
113 |
> |
* <li>All assertions in code running in generated threads must use |
114 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
115 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
116 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
117 |
|
* particularly recommended) for other code to use these forms too. |
118 |
|
* Only the most typically used JUnit assertion methods are defined |
119 |
< |
* this way, but enough to live with.</li> |
119 |
> |
* this way, but enough to live with. |
120 |
|
* |
121 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
121 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
122 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
123 |
|
* them. These methods are used to clear and check for thread |
124 |
< |
* assertion failures.</li> |
124 |
> |
* assertion failures. |
125 |
|
* |
126 |
|
* <li>All delays and timeouts must use one of the constants {@code |
127 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
132 |
|
* is always discriminable as larger than SHORT and smaller than |
133 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
134 |
|
* but even so, if there is ever any doubt, they can all be increased |
135 |
< |
* in one spot to rerun tests on slower platforms.</li> |
135 |
> |
* in one spot to rerun tests on slower platforms. |
136 |
|
* |
137 |
< |
* <li> All threads generated must be joined inside each test case |
137 |
> |
* <li>All threads generated must be joined inside each test case |
138 |
|
* method (or {@code fail} to do so) before returning from the |
139 |
|
* method. The {@code joinPool} method can be used to do this when |
140 |
< |
* using Executors.</li> |
140 |
> |
* using Executors. |
141 |
|
* |
142 |
|
* </ol> |
143 |
|
* |
144 |
|
* <p><b>Other notes</b> |
145 |
|
* <ul> |
146 |
|
* |
147 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
147 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
148 |
|
* covering "normal" operation, and then as many exception-testing |
149 |
|
* methods as there are exceptions the method can throw. Sometimes |
150 |
|
* there are multiple tests per JSR166 method when the different |
151 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
152 |
< |
* cover multiple methods when they cannot be tested in |
81 |
< |
* isolation.</li> |
152 |
> |
* cover multiple methods when they cannot be tested in isolation. |
153 |
|
* |
154 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
154 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
155 |
|
* a simple sentence or two describing the property that the testcase |
156 |
|
* method purports to test. The javadocs do not say anything about how |
157 |
< |
* the property is tested. To find out, read the code.</li> |
157 |
> |
* the property is tested. To find out, read the code. |
158 |
|
* |
159 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
159 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
160 |
|
* test throughput, latency, scalability or other performance factors |
161 |
|
* (see the separate "jtreg" tests for a set intended to check these |
162 |
|
* for the most central aspects of functionality.) So, most tests use |
163 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
164 |
< |
* needed to check basic conformance.</li> |
164 |
> |
* needed to check basic conformance. |
165 |
|
* |
166 |
|
* <li>The test classes currently do not declare inclusion in |
167 |
|
* any particular package to simplify things for people integrating |
168 |
< |
* them in TCK test suites.</li> |
168 |
> |
* them in TCK test suites. |
169 |
|
* |
170 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
171 |
< |
* runs all JSR166 unit tests.</li> |
170 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
171 |
> |
* runs all JSR166 unit tests. |
172 |
|
* |
173 |
|
* </ul> |
174 |
|
*/ |
180 |
|
Boolean.getBoolean("jsr166.expensiveTests"); |
181 |
|
|
182 |
|
/** |
183 |
+ |
* If true, also run tests that are not part of the official tck |
184 |
+ |
* because they test unspecified implementation details. |
185 |
+ |
*/ |
186 |
+ |
protected static final boolean testImplementationDetails = |
187 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
188 |
+ |
|
189 |
+ |
/** |
190 |
|
* If true, report on stdout all "slow" tests, that is, ones that |
191 |
|
* take more than profileThreshold milliseconds to execute. |
192 |
|
*/ |
200 |
|
private static final long profileThreshold = |
201 |
|
Long.getLong("jsr166.profileThreshold", 100); |
202 |
|
|
203 |
+ |
/** |
204 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
205 |
+ |
*/ |
206 |
+ |
private static final int runsPerTest = |
207 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
208 |
+ |
|
209 |
+ |
/** |
210 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
211 |
+ |
*/ |
212 |
+ |
private static final int suiteRuns = |
213 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
214 |
+ |
|
215 |
+ |
/** |
216 |
+ |
* Returns the value of the system property, or NaN if not defined. |
217 |
+ |
*/ |
218 |
+ |
private static float systemPropertyValue(String name) { |
219 |
+ |
String floatString = System.getProperty(name); |
220 |
+ |
if (floatString == null) |
221 |
+ |
return Float.NaN; |
222 |
+ |
try { |
223 |
+ |
return Float.parseFloat(floatString); |
224 |
+ |
} catch (NumberFormatException ex) { |
225 |
+ |
throw new IllegalArgumentException( |
226 |
+ |
String.format("Bad float value in system property %s=%s", |
227 |
+ |
name, floatString)); |
228 |
+ |
} |
229 |
+ |
} |
230 |
+ |
|
231 |
+ |
/** |
232 |
+ |
* The scaling factor to apply to standard delays used in tests. |
233 |
+ |
* May be initialized from any of: |
234 |
+ |
* - the "jsr166.delay.factor" system property |
235 |
+ |
* - the "test.timeout.factor" system property (as used by jtreg) |
236 |
+ |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
237 |
+ |
* - hard-coded fuzz factor when using a known slowpoke VM |
238 |
+ |
*/ |
239 |
+ |
private static final float delayFactor = delayFactor(); |
240 |
+ |
|
241 |
+ |
private static float delayFactor() { |
242 |
+ |
float x; |
243 |
+ |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
244 |
+ |
return x; |
245 |
+ |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
246 |
+ |
return x; |
247 |
+ |
String prop = System.getProperty("java.vm.version"); |
248 |
+ |
if (prop != null && prop.matches(".*debug.*")) |
249 |
+ |
return 4.0f; // How much slower is fastdebug than product?! |
250 |
+ |
return 1.0f; |
251 |
+ |
} |
252 |
+ |
|
253 |
+ |
public JSR166TestCase() { super(); } |
254 |
+ |
public JSR166TestCase(String name) { super(name); } |
255 |
+ |
|
256 |
+ |
/** |
257 |
+ |
* A filter for tests to run, matching strings of the form |
258 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
259 |
+ |
* Usefully combined with jsr166.runsPerTest. |
260 |
+ |
*/ |
261 |
+ |
private static final Pattern methodFilter = methodFilter(); |
262 |
+ |
|
263 |
+ |
private static Pattern methodFilter() { |
264 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
265 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
266 |
+ |
} |
267 |
+ |
|
268 |
+ |
// Instrumentation to debug very rare, but very annoying hung test runs. |
269 |
+ |
static volatile TestCase currentTestCase; |
270 |
+ |
// static volatile int currentRun = 0; |
271 |
+ |
static { |
272 |
+ |
Runnable checkForWedgedTest = new Runnable() { public void run() { |
273 |
+ |
// Avoid spurious reports with enormous runsPerTest. |
274 |
+ |
// A single test case run should never take more than 1 second. |
275 |
+ |
// But let's cap it at the high end too ... |
276 |
+ |
final int timeoutMinutes = |
277 |
+ |
Math.min(15, Math.max(runsPerTest / 60, 1)); |
278 |
+ |
for (TestCase lastTestCase = currentTestCase;;) { |
279 |
+ |
try { MINUTES.sleep(timeoutMinutes); } |
280 |
+ |
catch (InterruptedException unexpected) { break; } |
281 |
+ |
if (lastTestCase == currentTestCase) { |
282 |
+ |
System.err.printf( |
283 |
+ |
"Looks like we're stuck running test: %s%n", |
284 |
+ |
lastTestCase); |
285 |
+ |
// System.err.printf( |
286 |
+ |
// "Looks like we're stuck running test: %s (%d/%d)%n", |
287 |
+ |
// lastTestCase, currentRun, runsPerTest); |
288 |
+ |
// System.err.println("availableProcessors=" + |
289 |
+ |
// Runtime.getRuntime().availableProcessors()); |
290 |
+ |
// System.err.printf("cpu model = %s%n", cpuModel()); |
291 |
+ |
dumpTestThreads(); |
292 |
+ |
// one stack dump is probably enough; more would be spam |
293 |
+ |
break; |
294 |
+ |
} |
295 |
+ |
lastTestCase = currentTestCase; |
296 |
+ |
}}}; |
297 |
+ |
Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest"); |
298 |
+ |
thread.setDaemon(true); |
299 |
+ |
thread.start(); |
300 |
+ |
} |
301 |
+ |
|
302 |
+ |
// public static String cpuModel() { |
303 |
+ |
// try { |
304 |
+ |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
305 |
+ |
// .matcher(new String( |
306 |
+ |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
307 |
+ |
// matcher.find(); |
308 |
+ |
// return matcher.group(1); |
309 |
+ |
// } catch (Exception ex) { return null; } |
310 |
+ |
// } |
311 |
+ |
|
312 |
+ |
public void runBare() throws Throwable { |
313 |
+ |
currentTestCase = this; |
314 |
+ |
if (methodFilter == null |
315 |
+ |
|| methodFilter.matcher(toString()).find()) |
316 |
+ |
super.runBare(); |
317 |
+ |
} |
318 |
+ |
|
319 |
|
protected void runTest() throws Throwable { |
320 |
< |
if (profileTests) |
321 |
< |
runTestProfiled(); |
322 |
< |
else |
323 |
< |
super.runTest(); |
320 |
> |
for (int i = 0; i < runsPerTest; i++) { |
321 |
> |
// currentRun = i; |
322 |
> |
if (profileTests) |
323 |
> |
runTestProfiled(); |
324 |
> |
else |
325 |
> |
super.runTest(); |
326 |
> |
} |
327 |
|
} |
328 |
|
|
329 |
|
protected void runTestProfiled() throws Throwable { |
330 |
< |
long t0 = System.nanoTime(); |
331 |
< |
try { |
330 |
> |
for (int i = 0; i < 2; i++) { |
331 |
> |
long startTime = System.nanoTime(); |
332 |
|
super.runTest(); |
333 |
< |
} finally { |
334 |
< |
long elapsedMillis = |
335 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
336 |
< |
if (elapsedMillis >= profileThreshold) |
333 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
334 |
> |
if (elapsedMillis < profileThreshold) |
335 |
> |
break; |
336 |
> |
// Never report first run of any test; treat it as a |
337 |
> |
// warmup run, notably to trigger all needed classloading, |
338 |
> |
if (i > 0) |
339 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
340 |
|
} |
341 |
|
} |
342 |
|
|
343 |
|
/** |
344 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
344 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
345 |
|
*/ |
346 |
|
public static void main(String[] args) { |
347 |
+ |
main(suite(), args); |
348 |
+ |
} |
349 |
+ |
|
350 |
+ |
static class PithyResultPrinter extends junit.textui.ResultPrinter { |
351 |
+ |
PithyResultPrinter(java.io.PrintStream writer) { super(writer); } |
352 |
+ |
long runTime; |
353 |
+ |
public void startTest(Test test) {} |
354 |
+ |
protected void printHeader(long runTime) { |
355 |
+ |
this.runTime = runTime; // defer printing for later |
356 |
+ |
} |
357 |
+ |
protected void printFooter(TestResult result) { |
358 |
+ |
if (result.wasSuccessful()) { |
359 |
+ |
getWriter().println("OK (" + result.runCount() + " tests)" |
360 |
+ |
+ " Time: " + elapsedTimeAsString(runTime)); |
361 |
+ |
} else { |
362 |
+ |
getWriter().println("Time: " + elapsedTimeAsString(runTime)); |
363 |
+ |
super.printFooter(result); |
364 |
+ |
} |
365 |
+ |
} |
366 |
+ |
} |
367 |
+ |
|
368 |
+ |
/** |
369 |
+ |
* Returns a TestRunner that doesn't bother with unnecessary |
370 |
+ |
* fluff, like printing a "." for each test case. |
371 |
+ |
*/ |
372 |
+ |
static junit.textui.TestRunner newPithyTestRunner() { |
373 |
+ |
junit.textui.TestRunner runner = new junit.textui.TestRunner(); |
374 |
+ |
runner.setPrinter(new PithyResultPrinter(System.out)); |
375 |
+ |
return runner; |
376 |
+ |
} |
377 |
+ |
|
378 |
+ |
/** |
379 |
+ |
* Runs all unit tests in the given test suite. |
380 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
381 |
+ |
*/ |
382 |
+ |
static void main(Test suite, String[] args) { |
383 |
|
if (useSecurityManager) { |
384 |
|
System.err.println("Setting a permissive security manager"); |
385 |
|
Policy.setPolicy(permissivePolicy()); |
386 |
|
System.setSecurityManager(new SecurityManager()); |
387 |
|
} |
388 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
389 |
< |
|
390 |
< |
Test s = suite(); |
391 |
< |
for (int i = 0; i < iters; ++i) { |
157 |
< |
junit.textui.TestRunner.run(s); |
388 |
> |
for (int i = 0; i < suiteRuns; i++) { |
389 |
> |
TestResult result = newPithyTestRunner().doRun(suite); |
390 |
> |
if (!result.wasSuccessful()) |
391 |
> |
System.exit(1); |
392 |
|
System.gc(); |
393 |
|
System.runFinalization(); |
394 |
|
} |
161 |
– |
System.exit(0); |
395 |
|
} |
396 |
|
|
397 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
407 |
|
return suite; |
408 |
|
} |
409 |
|
|
410 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
411 |
+ |
String... testClassNames) { |
412 |
+ |
for (String testClassName : testClassNames) { |
413 |
+ |
try { |
414 |
+ |
Class<?> testClass = Class.forName(testClassName); |
415 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
416 |
+ |
new Class<?>[0]); |
417 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
418 |
+ |
} catch (Exception e) { |
419 |
+ |
throw new Error("Missing test class", e); |
420 |
+ |
} |
421 |
+ |
} |
422 |
+ |
} |
423 |
+ |
|
424 |
+ |
public static final double JAVA_CLASS_VERSION; |
425 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
426 |
+ |
static { |
427 |
+ |
try { |
428 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
429 |
+ |
new java.security.PrivilegedAction<Double>() { |
430 |
+ |
public Double run() { |
431 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
432 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
433 |
+ |
new java.security.PrivilegedAction<String>() { |
434 |
+ |
public String run() { |
435 |
+ |
return System.getProperty("java.specification.version");}}); |
436 |
+ |
} catch (Throwable t) { |
437 |
+ |
throw new Error(t); |
438 |
+ |
} |
439 |
+ |
} |
440 |
+ |
|
441 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
442 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
443 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
444 |
+ |
public static boolean atLeastJava9() { |
445 |
+ |
return JAVA_CLASS_VERSION >= 53.0 |
446 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
447 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
448 |
+ |
} |
449 |
+ |
public static boolean atLeastJava10() { |
450 |
+ |
return JAVA_CLASS_VERSION >= 54.0 |
451 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
452 |
+ |
} |
453 |
+ |
|
454 |
|
/** |
455 |
|
* Collects all JSR166 unit tests as one suite. |
456 |
|
*/ |
457 |
|
public static Test suite() { |
458 |
< |
return newTestSuite( |
458 |
> |
// Java7+ test classes |
459 |
> |
TestSuite suite = newTestSuite( |
460 |
|
ForkJoinPoolTest.suite(), |
461 |
|
ForkJoinTaskTest.suite(), |
462 |
|
RecursiveActionTest.suite(), |
470 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
471 |
|
ArrayBlockingQueueTest.suite(), |
472 |
|
ArrayDequeTest.suite(), |
473 |
+ |
ArrayListTest.suite(), |
474 |
|
AtomicBooleanTest.suite(), |
475 |
|
AtomicIntegerArrayTest.suite(), |
476 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
493 |
|
CopyOnWriteArrayListTest.suite(), |
494 |
|
CopyOnWriteArraySetTest.suite(), |
495 |
|
CountDownLatchTest.suite(), |
496 |
+ |
CountedCompleterTest.suite(), |
497 |
|
CyclicBarrierTest.suite(), |
498 |
|
DelayQueueTest.suite(), |
499 |
|
EntryTest.suite(), |
522 |
|
TreeMapTest.suite(), |
523 |
|
TreeSetTest.suite(), |
524 |
|
TreeSubMapTest.suite(), |
525 |
< |
TreeSubSetTest.suite()); |
525 |
> |
TreeSubSetTest.suite(), |
526 |
> |
VectorTest.suite()); |
527 |
> |
|
528 |
> |
// Java8+ test classes |
529 |
> |
if (atLeastJava8()) { |
530 |
> |
String[] java8TestClassNames = { |
531 |
> |
"ArrayDeque8Test", |
532 |
> |
"Atomic8Test", |
533 |
> |
"CompletableFutureTest", |
534 |
> |
"ConcurrentHashMap8Test", |
535 |
> |
"CountedCompleter8Test", |
536 |
> |
"DoubleAccumulatorTest", |
537 |
> |
"DoubleAdderTest", |
538 |
> |
"ForkJoinPool8Test", |
539 |
> |
"ForkJoinTask8Test", |
540 |
> |
"LinkedBlockingDeque8Test", |
541 |
> |
"LinkedBlockingQueue8Test", |
542 |
> |
"LongAccumulatorTest", |
543 |
> |
"LongAdderTest", |
544 |
> |
"SplittableRandomTest", |
545 |
> |
"StampedLockTest", |
546 |
> |
"SubmissionPublisherTest", |
547 |
> |
"ThreadLocalRandom8Test", |
548 |
> |
"TimeUnit8Test", |
549 |
> |
}; |
550 |
> |
addNamedTestClasses(suite, java8TestClassNames); |
551 |
> |
} |
552 |
> |
|
553 |
> |
// Java9+ test classes |
554 |
> |
if (atLeastJava9()) { |
555 |
> |
String[] java9TestClassNames = { |
556 |
> |
"AtomicBoolean9Test", |
557 |
> |
"AtomicInteger9Test", |
558 |
> |
"AtomicIntegerArray9Test", |
559 |
> |
"AtomicLong9Test", |
560 |
> |
"AtomicLongArray9Test", |
561 |
> |
"AtomicReference9Test", |
562 |
> |
"AtomicReferenceArray9Test", |
563 |
> |
"ExecutorCompletionService9Test", |
564 |
> |
"ForkJoinPool9Test", |
565 |
> |
}; |
566 |
> |
addNamedTestClasses(suite, java9TestClassNames); |
567 |
> |
} |
568 |
> |
|
569 |
> |
return suite; |
570 |
|
} |
571 |
|
|
572 |
+ |
/** Returns list of junit-style test method names in given class. */ |
573 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
574 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
575 |
+ |
ArrayList<String> names = new ArrayList<>(methods.length); |
576 |
+ |
for (Method method : methods) { |
577 |
+ |
if (method.getName().startsWith("test") |
578 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
579 |
+ |
// method.getParameterCount() requires jdk8+ |
580 |
+ |
&& method.getParameterTypes().length == 0) { |
581 |
+ |
names.add(method.getName()); |
582 |
+ |
} |
583 |
+ |
} |
584 |
+ |
return names; |
585 |
+ |
} |
586 |
+ |
|
587 |
+ |
/** |
588 |
+ |
* Returns junit-style testSuite for the given test class, but |
589 |
+ |
* parameterized by passing extra data to each test. |
590 |
+ |
*/ |
591 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
592 |
+ |
(Class<? extends JSR166TestCase> testClass, |
593 |
+ |
Class<ExtraData> dataClass, |
594 |
+ |
ExtraData data) { |
595 |
+ |
try { |
596 |
+ |
TestSuite suite = new TestSuite(); |
597 |
+ |
Constructor c = |
598 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
599 |
+ |
for (String methodName : testMethodNames(testClass)) |
600 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
601 |
+ |
return suite; |
602 |
+ |
} catch (Exception e) { |
603 |
+ |
throw new Error(e); |
604 |
+ |
} |
605 |
+ |
} |
606 |
+ |
|
607 |
+ |
/** |
608 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
609 |
+ |
* given test class, but parameterized by passing extra data to |
610 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
611 |
+ |
*/ |
612 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
613 |
+ |
(Class<? extends JSR166TestCase> testClass, |
614 |
+ |
Class<ExtraData> dataClass, |
615 |
+ |
ExtraData data) { |
616 |
+ |
if (atLeastJava8()) { |
617 |
+ |
String name = testClass.getName(); |
618 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
619 |
+ |
if (name.equals(name8)) throw new Error(name); |
620 |
+ |
try { |
621 |
+ |
return (Test) |
622 |
+ |
Class.forName(name8) |
623 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
624 |
+ |
.invoke(null, data); |
625 |
+ |
} catch (Exception e) { |
626 |
+ |
throw new Error(e); |
627 |
+ |
} |
628 |
+ |
} else { |
629 |
+ |
return new TestSuite(); |
630 |
+ |
} |
631 |
+ |
} |
632 |
+ |
|
633 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
634 |
|
|
635 |
|
public static long SHORT_DELAY_MS; |
636 |
|
public static long SMALL_DELAY_MS; |
637 |
|
public static long MEDIUM_DELAY_MS; |
638 |
|
public static long LONG_DELAY_MS; |
639 |
|
|
254 |
– |
|
640 |
|
/** |
641 |
< |
* Returns the shortest timed delay. This could |
642 |
< |
* be reimplemented to use for example a Property. |
641 |
> |
* Returns the shortest timed delay. This can be scaled up for |
642 |
> |
* slow machines using the jsr166.delay.factor system property, |
643 |
> |
* or via jtreg's -timeoutFactor: flag. |
644 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
645 |
|
*/ |
646 |
|
protected long getShortDelay() { |
647 |
< |
return 50; |
647 |
> |
return (long) (50 * delayFactor); |
648 |
|
} |
649 |
|
|
650 |
|
/** |
666 |
|
} |
667 |
|
|
668 |
|
/** |
669 |
< |
* Returns a new Date instance representing a time delayMillis |
670 |
< |
* milliseconds in the future. |
669 |
> |
* Returns a new Date instance representing a time at least |
670 |
> |
* delayMillis milliseconds in the future. |
671 |
|
*/ |
672 |
|
Date delayedDate(long delayMillis) { |
673 |
< |
return new Date(System.currentTimeMillis() + delayMillis); |
673 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
674 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
675 |
|
} |
676 |
|
|
677 |
|
/** |
678 |
|
* The first exception encountered if any threadAssertXXX method fails. |
679 |
|
*/ |
680 |
|
private final AtomicReference<Throwable> threadFailure |
681 |
< |
= new AtomicReference<Throwable>(null); |
681 |
> |
= new AtomicReference<>(null); |
682 |
|
|
683 |
|
/** |
684 |
|
* Records an exception so that it can be rethrown later in the test |
687 |
|
* the same test have no effect. |
688 |
|
*/ |
689 |
|
public void threadRecordFailure(Throwable t) { |
690 |
+ |
System.err.println(t); |
691 |
+ |
dumpTestThreads(); |
692 |
|
threadFailure.compareAndSet(null, t); |
693 |
|
} |
694 |
|
|
696 |
|
setDelays(); |
697 |
|
} |
698 |
|
|
699 |
+ |
void tearDownFail(String format, Object... args) { |
700 |
+ |
String msg = toString() + ": " + String.format(format, args); |
701 |
+ |
System.err.println(msg); |
702 |
+ |
dumpTestThreads(); |
703 |
+ |
throw new AssertionFailedError(msg); |
704 |
+ |
} |
705 |
+ |
|
706 |
|
/** |
707 |
|
* Extra checks that get done for all test cases. |
708 |
|
* |
730 |
|
} |
731 |
|
|
732 |
|
if (Thread.interrupted()) |
733 |
< |
throw new AssertionFailedError("interrupt status set in main thread"); |
733 |
> |
tearDownFail("interrupt status set in main thread"); |
734 |
> |
|
735 |
> |
checkForkJoinPoolThreadLeaks(); |
736 |
> |
} |
737 |
> |
|
738 |
> |
/** |
739 |
> |
* Finds missing PoolCleaners |
740 |
> |
*/ |
741 |
> |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
742 |
> |
Thread[] survivors = new Thread[7]; |
743 |
> |
int count = Thread.enumerate(survivors); |
744 |
> |
for (int i = 0; i < count; i++) { |
745 |
> |
Thread thread = survivors[i]; |
746 |
> |
String name = thread.getName(); |
747 |
> |
if (name.startsWith("ForkJoinPool-")) { |
748 |
> |
// give thread some time to terminate |
749 |
> |
thread.join(LONG_DELAY_MS); |
750 |
> |
if (thread.isAlive()) |
751 |
> |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
752 |
> |
thread); |
753 |
> |
} |
754 |
> |
} |
755 |
> |
|
756 |
> |
if (!ForkJoinPool.commonPool() |
757 |
> |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
758 |
> |
tearDownFail("ForkJoin common pool thread stuck"); |
759 |
|
} |
760 |
|
|
761 |
|
/** |
768 |
|
fail(reason); |
769 |
|
} catch (AssertionFailedError t) { |
770 |
|
threadRecordFailure(t); |
771 |
< |
fail(reason); |
771 |
> |
throw t; |
772 |
|
} |
773 |
|
} |
774 |
|
|
836 |
|
public void threadAssertEquals(Object x, Object y) { |
837 |
|
try { |
838 |
|
assertEquals(x, y); |
839 |
< |
} catch (AssertionFailedError t) { |
840 |
< |
threadRecordFailure(t); |
841 |
< |
throw t; |
842 |
< |
} catch (Throwable t) { |
843 |
< |
threadUnexpectedException(t); |
839 |
> |
} catch (AssertionFailedError fail) { |
840 |
> |
threadRecordFailure(fail); |
841 |
> |
throw fail; |
842 |
> |
} catch (Throwable fail) { |
843 |
> |
threadUnexpectedException(fail); |
844 |
|
} |
845 |
|
} |
846 |
|
|
852 |
|
public void threadAssertSame(Object x, Object y) { |
853 |
|
try { |
854 |
|
assertSame(x, y); |
855 |
< |
} catch (AssertionFailedError t) { |
856 |
< |
threadRecordFailure(t); |
857 |
< |
throw t; |
855 |
> |
} catch (AssertionFailedError fail) { |
856 |
> |
threadRecordFailure(fail); |
857 |
> |
throw fail; |
858 |
|
} |
859 |
|
} |
860 |
|
|
895 |
|
/** |
896 |
|
* Delays, via Thread.sleep, for the given millisecond delay, but |
897 |
|
* if the sleep is shorter than specified, may re-sleep or yield |
898 |
< |
* until time elapses. |
898 |
> |
* until time elapses. Ensures that the given time, as measured |
899 |
> |
* by System.nanoTime(), has elapsed. |
900 |
|
*/ |
901 |
|
static void delay(long millis) throws InterruptedException { |
902 |
< |
long startTime = System.nanoTime(); |
903 |
< |
long ns = millis * 1000 * 1000; |
904 |
< |
for (;;) { |
902 |
> |
long nanos = millis * (1000 * 1000); |
903 |
> |
final long wakeupTime = System.nanoTime() + nanos; |
904 |
> |
do { |
905 |
|
if (millis > 0L) |
906 |
|
Thread.sleep(millis); |
907 |
|
else // too short to sleep |
908 |
|
Thread.yield(); |
909 |
< |
long d = ns - (System.nanoTime() - startTime); |
910 |
< |
if (d > 0L) |
911 |
< |
millis = d / (1000 * 1000); |
912 |
< |
else |
913 |
< |
break; |
909 |
> |
nanos = wakeupTime - System.nanoTime(); |
910 |
> |
millis = nanos / (1000 * 1000); |
911 |
> |
} while (nanos >= 0L); |
912 |
> |
} |
913 |
> |
|
914 |
> |
/** |
915 |
> |
* Allows use of try-with-resources with per-test thread pools. |
916 |
> |
*/ |
917 |
> |
class PoolCleaner implements AutoCloseable { |
918 |
> |
private final ExecutorService pool; |
919 |
> |
public PoolCleaner(ExecutorService pool) { this.pool = pool; } |
920 |
> |
public void close() { joinPool(pool); } |
921 |
> |
} |
922 |
> |
|
923 |
> |
/** |
924 |
> |
* An extension of PoolCleaner that has an action to release the pool. |
925 |
> |
*/ |
926 |
> |
class PoolCleanerWithReleaser extends PoolCleaner { |
927 |
> |
private final Runnable releaser; |
928 |
> |
public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) { |
929 |
> |
super(pool); |
930 |
> |
this.releaser = releaser; |
931 |
> |
} |
932 |
> |
public void close() { |
933 |
> |
try { |
934 |
> |
releaser.run(); |
935 |
> |
} finally { |
936 |
> |
super.close(); |
937 |
> |
} |
938 |
|
} |
939 |
|
} |
940 |
|
|
941 |
+ |
PoolCleaner cleaner(ExecutorService pool) { |
942 |
+ |
return new PoolCleaner(pool); |
943 |
+ |
} |
944 |
+ |
|
945 |
+ |
PoolCleaner cleaner(ExecutorService pool, Runnable releaser) { |
946 |
+ |
return new PoolCleanerWithReleaser(pool, releaser); |
947 |
+ |
} |
948 |
+ |
|
949 |
+ |
PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) { |
950 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(latch)); |
951 |
+ |
} |
952 |
+ |
|
953 |
+ |
Runnable releaser(final CountDownLatch latch) { |
954 |
+ |
return new Runnable() { public void run() { |
955 |
+ |
do { latch.countDown(); } |
956 |
+ |
while (latch.getCount() > 0); |
957 |
+ |
}}; |
958 |
+ |
} |
959 |
+ |
|
960 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
961 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
962 |
+ |
} |
963 |
+ |
|
964 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
965 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
966 |
+ |
} |
967 |
+ |
|
968 |
|
/** |
969 |
|
* Waits out termination of a thread pool or fails doing so. |
970 |
|
*/ |
971 |
< |
void joinPool(ExecutorService exec) { |
971 |
> |
void joinPool(ExecutorService pool) { |
972 |
|
try { |
973 |
< |
exec.shutdown(); |
974 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
975 |
< |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
973 |
> |
pool.shutdown(); |
974 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) { |
975 |
> |
try { |
976 |
> |
threadFail("ExecutorService " + pool + |
977 |
> |
" did not terminate in a timely manner"); |
978 |
> |
} finally { |
979 |
> |
// last resort, for the benefit of subsequent tests |
980 |
> |
pool.shutdownNow(); |
981 |
> |
pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS); |
982 |
> |
} |
983 |
> |
} |
984 |
|
} catch (SecurityException ok) { |
985 |
|
// Allowed in case test doesn't have privs |
986 |
< |
} catch (InterruptedException ie) { |
987 |
< |
fail("Unexpected InterruptedException"); |
986 |
> |
} catch (InterruptedException fail) { |
987 |
> |
threadFail("Unexpected InterruptedException"); |
988 |
|
} |
989 |
|
} |
990 |
|
|
991 |
|
/** |
992 |
+ |
* Like Runnable, but with the freedom to throw anything. |
993 |
+ |
* junit folks had the same idea: |
994 |
+ |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
995 |
+ |
*/ |
996 |
+ |
interface Action { public void run() throws Throwable; } |
997 |
+ |
|
998 |
+ |
/** |
999 |
+ |
* Runs all the given actions in parallel, failing if any fail. |
1000 |
+ |
* Useful for running multiple variants of tests that are |
1001 |
+ |
* necessarily individually slow because they must block. |
1002 |
+ |
*/ |
1003 |
+ |
void testInParallel(Action ... actions) { |
1004 |
+ |
ExecutorService pool = Executors.newCachedThreadPool(); |
1005 |
+ |
try (PoolCleaner cleaner = cleaner(pool)) { |
1006 |
+ |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
1007 |
+ |
for (final Action action : actions) |
1008 |
+ |
futures.add(pool.submit(new CheckedRunnable() { |
1009 |
+ |
public void realRun() throws Throwable { action.run();}})); |
1010 |
+ |
for (Future<?> future : futures) |
1011 |
+ |
try { |
1012 |
+ |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
1013 |
+ |
} catch (ExecutionException ex) { |
1014 |
+ |
threadUnexpectedException(ex.getCause()); |
1015 |
+ |
} catch (Exception ex) { |
1016 |
+ |
threadUnexpectedException(ex); |
1017 |
+ |
} |
1018 |
+ |
} |
1019 |
+ |
} |
1020 |
+ |
|
1021 |
+ |
/** |
1022 |
+ |
* A debugging tool to print stack traces of most threads, as jstack does. |
1023 |
+ |
* Uninteresting threads are filtered out. |
1024 |
+ |
*/ |
1025 |
+ |
static void dumpTestThreads() { |
1026 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1027 |
+ |
if (sm != null) { |
1028 |
+ |
try { |
1029 |
+ |
System.setSecurityManager(null); |
1030 |
+ |
} catch (SecurityException giveUp) { |
1031 |
+ |
return; |
1032 |
+ |
} |
1033 |
+ |
} |
1034 |
+ |
|
1035 |
+ |
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1036 |
+ |
System.err.println("------ stacktrace dump start ------"); |
1037 |
+ |
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1038 |
+ |
final String name = info.getThreadName(); |
1039 |
+ |
String lockName; |
1040 |
+ |
if ("Signal Dispatcher".equals(name)) |
1041 |
+ |
continue; |
1042 |
+ |
if ("Reference Handler".equals(name) |
1043 |
+ |
&& (lockName = info.getLockName()) != null |
1044 |
+ |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1045 |
+ |
continue; |
1046 |
+ |
if ("Finalizer".equals(name) |
1047 |
+ |
&& (lockName = info.getLockName()) != null |
1048 |
+ |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1049 |
+ |
continue; |
1050 |
+ |
if ("checkForWedgedTest".equals(name)) |
1051 |
+ |
continue; |
1052 |
+ |
System.err.print(info); |
1053 |
+ |
} |
1054 |
+ |
System.err.println("------ stacktrace dump end ------"); |
1055 |
+ |
|
1056 |
+ |
if (sm != null) System.setSecurityManager(sm); |
1057 |
+ |
} |
1058 |
+ |
|
1059 |
+ |
/** |
1060 |
|
* Checks that thread does not terminate within the default |
1061 |
|
* millisecond delay of {@code timeoutMillis()}. |
1062 |
|
*/ |
1072 |
|
// No need to optimize the failing case via Thread.join. |
1073 |
|
delay(millis); |
1074 |
|
assertTrue(thread.isAlive()); |
1075 |
< |
} catch (InterruptedException ie) { |
1076 |
< |
fail("Unexpected InterruptedException"); |
1075 |
> |
} catch (InterruptedException fail) { |
1076 |
> |
threadFail("Unexpected InterruptedException"); |
1077 |
|
} |
1078 |
|
} |
1079 |
|
|
1094 |
|
delay(millis); |
1095 |
|
for (Thread thread : threads) |
1096 |
|
assertTrue(thread.isAlive()); |
1097 |
< |
} catch (InterruptedException ie) { |
1098 |
< |
fail("Unexpected InterruptedException"); |
1097 |
> |
} catch (InterruptedException fail) { |
1098 |
> |
threadFail("Unexpected InterruptedException"); |
1099 |
|
} |
1100 |
|
} |
1101 |
|
|
1116 |
|
future.get(timeoutMillis, MILLISECONDS); |
1117 |
|
shouldThrow(); |
1118 |
|
} catch (TimeoutException success) { |
1119 |
< |
} catch (Exception e) { |
1120 |
< |
threadUnexpectedException(e); |
1119 |
> |
} catch (Exception fail) { |
1120 |
> |
threadUnexpectedException(fail); |
1121 |
|
} finally { future.cancel(true); } |
1122 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
1123 |
|
} |
1161 |
|
public static final Integer m6 = new Integer(-6); |
1162 |
|
public static final Integer m10 = new Integer(-10); |
1163 |
|
|
614 |
– |
|
1164 |
|
/** |
1165 |
|
* Runs Runnable r with a security policy that permits precisely |
1166 |
|
* the specified permissions. If there is no current security |
1172 |
|
SecurityManager sm = System.getSecurityManager(); |
1173 |
|
if (sm == null) { |
1174 |
|
r.run(); |
1175 |
+ |
} |
1176 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
1177 |
+ |
} |
1178 |
+ |
|
1179 |
+ |
/** |
1180 |
+ |
* Runs Runnable r with a security policy that permits precisely |
1181 |
+ |
* the specified permissions. If there is no current security |
1182 |
+ |
* manager, a temporary one is set for the duration of the |
1183 |
+ |
* Runnable. We require that any security manager permit |
1184 |
+ |
* getPolicy/setPolicy. |
1185 |
+ |
*/ |
1186 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
1187 |
+ |
Permission... permissions) { |
1188 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1189 |
+ |
if (sm == null) { |
1190 |
|
Policy savedPolicy = Policy.getPolicy(); |
1191 |
|
try { |
1192 |
|
Policy.setPolicy(permissivePolicy()); |
1193 |
|
System.setSecurityManager(new SecurityManager()); |
1194 |
< |
runWithPermissions(r, permissions); |
1194 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
1195 |
|
} finally { |
1196 |
|
System.setSecurityManager(null); |
1197 |
|
Policy.setPolicy(savedPolicy); |
1239 |
|
return perms.implies(p); |
1240 |
|
} |
1241 |
|
public void refresh() {} |
1242 |
+ |
public String toString() { |
1243 |
+ |
List<Permission> ps = new ArrayList<>(); |
1244 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1245 |
+ |
ps.add(e.nextElement()); |
1246 |
+ |
return "AdjustablePolicy with permissions " + ps; |
1247 |
+ |
} |
1248 |
|
} |
1249 |
|
|
1250 |
|
/** |
1270 |
|
* Sleeps until the given time has elapsed. |
1271 |
|
* Throws AssertionFailedError if interrupted. |
1272 |
|
*/ |
1273 |
< |
void sleep(long millis) { |
1273 |
> |
static void sleep(long millis) { |
1274 |
|
try { |
1275 |
|
delay(millis); |
1276 |
< |
} catch (InterruptedException ie) { |
1276 |
> |
} catch (InterruptedException fail) { |
1277 |
|
AssertionFailedError afe = |
1278 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1279 |
< |
afe.initCause(ie); |
1279 |
> |
afe.initCause(fail); |
1280 |
|
throw afe; |
1281 |
|
} |
1282 |
|
} |
1286 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1287 |
|
*/ |
1288 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1289 |
< |
long startTime = System.nanoTime(); |
1289 |
> |
long startTime = 0L; |
1290 |
|
for (;;) { |
1291 |
|
Thread.State s = thread.getState(); |
1292 |
|
if (s == Thread.State.BLOCKED || |
1295 |
|
return; |
1296 |
|
else if (s == Thread.State.TERMINATED) |
1297 |
|
fail("Unexpected thread termination"); |
1298 |
+ |
else if (startTime == 0L) |
1299 |
+ |
startTime = System.nanoTime(); |
1300 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1301 |
|
threadAssertTrue(thread.isAlive()); |
1302 |
< |
return; |
1302 |
> |
fail("timed out waiting for thread to enter wait state"); |
1303 |
|
} |
1304 |
|
Thread.yield(); |
1305 |
|
} |
1306 |
|
} |
1307 |
|
|
1308 |
|
/** |
1309 |
< |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1310 |
< |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1309 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1310 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1311 |
> |
* and additionally satisfy the given condition. |
1312 |
> |
*/ |
1313 |
> |
void waitForThreadToEnterWaitState( |
1314 |
> |
Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) { |
1315 |
> |
long startTime = 0L; |
1316 |
> |
for (;;) { |
1317 |
> |
Thread.State s = thread.getState(); |
1318 |
> |
if (s == Thread.State.BLOCKED || |
1319 |
> |
s == Thread.State.WAITING || |
1320 |
> |
s == Thread.State.TIMED_WAITING) { |
1321 |
> |
try { |
1322 |
> |
if (waitingForGodot.call()) |
1323 |
> |
return; |
1324 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1325 |
> |
} |
1326 |
> |
else if (s == Thread.State.TERMINATED) |
1327 |
> |
fail("Unexpected thread termination"); |
1328 |
> |
else if (startTime == 0L) |
1329 |
> |
startTime = System.nanoTime(); |
1330 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1331 |
> |
threadAssertTrue(thread.isAlive()); |
1332 |
> |
fail("timed out waiting for thread to enter wait state"); |
1333 |
> |
} |
1334 |
> |
Thread.yield(); |
1335 |
> |
} |
1336 |
> |
} |
1337 |
> |
|
1338 |
> |
/** |
1339 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1340 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1341 |
|
*/ |
1342 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1343 |
|
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1344 |
|
} |
1345 |
|
|
1346 |
|
/** |
1347 |
+ |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1348 |
+ |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1349 |
+ |
* and additionally satisfy the given condition. |
1350 |
+ |
*/ |
1351 |
+ |
void waitForThreadToEnterWaitState( |
1352 |
+ |
Thread thread, Callable<Boolean> waitingForGodot) { |
1353 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1354 |
+ |
} |
1355 |
+ |
|
1356 |
+ |
/** |
1357 |
|
* Returns the number of milliseconds since time given by |
1358 |
|
* startNanoTime, which must have been previously returned from a |
1359 |
< |
* call to {@link System.nanoTime()}. |
1359 |
> |
* call to {@link System#nanoTime()}. |
1360 |
|
*/ |
1361 |
< |
long millisElapsedSince(long startNanoTime) { |
1361 |
> |
static long millisElapsedSince(long startNanoTime) { |
1362 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1363 |
|
} |
1364 |
|
|
1365 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1366 |
+ |
// long startTime = System.nanoTime(); |
1367 |
+ |
// try { |
1368 |
+ |
// r.run(); |
1369 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1370 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1371 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
1372 |
+ |
// } |
1373 |
+ |
|
1374 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
1375 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1376 |
+ |
// } |
1377 |
+ |
|
1378 |
+ |
/** |
1379 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
1380 |
+ |
* wait for the timeout to elapse before returning. |
1381 |
+ |
*/ |
1382 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1383 |
+ |
long startTime = System.nanoTime(); |
1384 |
+ |
try { |
1385 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1386 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1387 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1388 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
1389 |
+ |
} |
1390 |
+ |
|
1391 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1392 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1393 |
+ |
} |
1394 |
+ |
|
1395 |
|
/** |
1396 |
|
* Returns a new started daemon Thread running the given runnable. |
1397 |
|
*/ |
1410 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1411 |
|
try { |
1412 |
|
t.join(timeoutMillis); |
1413 |
< |
} catch (InterruptedException ie) { |
1414 |
< |
threadUnexpectedException(ie); |
1413 |
> |
} catch (InterruptedException fail) { |
1414 |
> |
threadUnexpectedException(fail); |
1415 |
|
} finally { |
1416 |
|
if (t.getState() != Thread.State.TERMINATED) { |
1417 |
|
t.interrupt(); |
1418 |
< |
fail("Test timed out"); |
1418 |
> |
threadFail("timed out waiting for thread to terminate"); |
1419 |
|
} |
1420 |
|
} |
1421 |
|
} |
1437 |
|
public final void run() { |
1438 |
|
try { |
1439 |
|
realRun(); |
1440 |
< |
} catch (Throwable t) { |
1441 |
< |
threadUnexpectedException(t); |
1440 |
> |
} catch (Throwable fail) { |
1441 |
> |
threadUnexpectedException(fail); |
1442 |
|
} |
1443 |
|
} |
1444 |
|
} |
1492 |
|
threadShouldThrow("InterruptedException"); |
1493 |
|
} catch (InterruptedException success) { |
1494 |
|
threadAssertFalse(Thread.interrupted()); |
1495 |
< |
} catch (Throwable t) { |
1496 |
< |
threadUnexpectedException(t); |
1495 |
> |
} catch (Throwable fail) { |
1496 |
> |
threadUnexpectedException(fail); |
1497 |
|
} |
1498 |
|
} |
1499 |
|
} |
1504 |
|
public final T call() { |
1505 |
|
try { |
1506 |
|
return realCall(); |
1507 |
< |
} catch (Throwable t) { |
1508 |
< |
threadUnexpectedException(t); |
1507 |
> |
} catch (Throwable fail) { |
1508 |
> |
threadUnexpectedException(fail); |
1509 |
|
return null; |
1510 |
|
} |
1511 |
|
} |
1522 |
|
return result; |
1523 |
|
} catch (InterruptedException success) { |
1524 |
|
threadAssertFalse(Thread.interrupted()); |
1525 |
< |
} catch (Throwable t) { |
1526 |
< |
threadUnexpectedException(t); |
1525 |
> |
} catch (Throwable fail) { |
1526 |
> |
threadUnexpectedException(fail); |
1527 |
|
} |
1528 |
|
return null; |
1529 |
|
} |
1540 |
|
public static final String TEST_STRING = "a test string"; |
1541 |
|
|
1542 |
|
public static class StringTask implements Callable<String> { |
1543 |
< |
public String call() { return TEST_STRING; } |
1543 |
> |
final String value; |
1544 |
> |
public StringTask() { this(TEST_STRING); } |
1545 |
> |
public StringTask(String value) { this.value = value; } |
1546 |
> |
public String call() { return value; } |
1547 |
|
} |
1548 |
|
|
1549 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1556 |
|
}}; |
1557 |
|
} |
1558 |
|
|
1559 |
< |
public Runnable awaiter(final CountDownLatch latch) { |
1559 |
> |
public Runnable countDowner(final CountDownLatch latch) { |
1560 |
|
return new CheckedRunnable() { |
1561 |
|
public void realRun() throws InterruptedException { |
1562 |
< |
await(latch); |
1562 |
> |
latch.countDown(); |
1563 |
|
}}; |
1564 |
|
} |
1565 |
|
|
1566 |
< |
public void await(CountDownLatch latch) { |
1566 |
> |
class LatchAwaiter extends CheckedRunnable { |
1567 |
> |
static final int NEW = 0; |
1568 |
> |
static final int RUNNING = 1; |
1569 |
> |
static final int DONE = 2; |
1570 |
> |
final CountDownLatch latch; |
1571 |
> |
int state = NEW; |
1572 |
> |
LatchAwaiter(CountDownLatch latch) { this.latch = latch; } |
1573 |
> |
public void realRun() throws InterruptedException { |
1574 |
> |
state = 1; |
1575 |
> |
await(latch); |
1576 |
> |
state = 2; |
1577 |
> |
} |
1578 |
> |
} |
1579 |
> |
|
1580 |
> |
public LatchAwaiter awaiter(CountDownLatch latch) { |
1581 |
> |
return new LatchAwaiter(latch); |
1582 |
> |
} |
1583 |
> |
|
1584 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1585 |
|
try { |
1586 |
< |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1587 |
< |
} catch (Throwable t) { |
1588 |
< |
threadUnexpectedException(t); |
1586 |
> |
if (!latch.await(timeoutMillis, MILLISECONDS)) |
1587 |
> |
fail("timed out waiting for CountDownLatch for " |
1588 |
> |
+ (timeoutMillis/1000) + " sec"); |
1589 |
> |
} catch (Throwable fail) { |
1590 |
> |
threadUnexpectedException(fail); |
1591 |
|
} |
1592 |
|
} |
1593 |
|
|
1594 |
+ |
public void await(CountDownLatch latch) { |
1595 |
+ |
await(latch, LONG_DELAY_MS); |
1596 |
+ |
} |
1597 |
+ |
|
1598 |
|
public void await(Semaphore semaphore) { |
1599 |
|
try { |
1600 |
< |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1601 |
< |
} catch (Throwable t) { |
1602 |
< |
threadUnexpectedException(t); |
1600 |
> |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1601 |
> |
fail("timed out waiting for Semaphore for " |
1602 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1603 |
> |
} catch (Throwable fail) { |
1604 |
> |
threadUnexpectedException(fail); |
1605 |
|
} |
1606 |
|
} |
1607 |
|
|
1792 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1793 |
|
protected abstract void realCompute() throws Throwable; |
1794 |
|
|
1795 |
< |
public final void compute() { |
1795 |
> |
@Override protected final void compute() { |
1796 |
|
try { |
1797 |
|
realCompute(); |
1798 |
< |
} catch (Throwable t) { |
1799 |
< |
threadUnexpectedException(t); |
1798 |
> |
} catch (Throwable fail) { |
1799 |
> |
threadUnexpectedException(fail); |
1800 |
|
} |
1801 |
|
} |
1802 |
|
} |
1807 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1808 |
|
protected abstract T realCompute() throws Throwable; |
1809 |
|
|
1810 |
< |
public final T compute() { |
1810 |
> |
@Override protected final T compute() { |
1811 |
|
try { |
1812 |
|
return realCompute(); |
1813 |
< |
} catch (Throwable t) { |
1814 |
< |
threadUnexpectedException(t); |
1813 |
> |
} catch (Throwable fail) { |
1814 |
> |
threadUnexpectedException(fail); |
1815 |
|
return null; |
1816 |
|
} |
1817 |
|
} |
1829 |
|
* A CyclicBarrier that uses timed await and fails with |
1830 |
|
* AssertionFailedErrors instead of throwing checked exceptions. |
1831 |
|
*/ |
1832 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1832 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1833 |
|
public CheckedBarrier(int parties) { super(parties); } |
1834 |
|
|
1835 |
|
public int await() { |
1836 |
|
try { |
1837 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1838 |
< |
} catch (TimeoutException e) { |
1838 |
> |
} catch (TimeoutException timedOut) { |
1839 |
|
throw new AssertionFailedError("timed out"); |
1840 |
< |
} catch (Exception e) { |
1840 |
> |
} catch (Exception fail) { |
1841 |
|
AssertionFailedError afe = |
1842 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1843 |
< |
afe.initCause(e); |
1842 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1843 |
> |
afe.initCause(fail); |
1844 |
|
throw afe; |
1845 |
|
} |
1846 |
|
} |
1868 |
|
q.remove(); |
1869 |
|
shouldThrow(); |
1870 |
|
} catch (NoSuchElementException success) {} |
1871 |
< |
} catch (InterruptedException ie) { |
1201 |
< |
threadUnexpectedException(ie); |
1202 |
< |
} |
1871 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1872 |
|
} |
1873 |
|
|
1874 |
|
void assertSerialEquals(Object x, Object y) { |
1887 |
|
oos.flush(); |
1888 |
|
oos.close(); |
1889 |
|
return bos.toByteArray(); |
1890 |
< |
} catch (Throwable t) { |
1891 |
< |
threadUnexpectedException(t); |
1890 |
> |
} catch (Throwable fail) { |
1891 |
> |
threadUnexpectedException(fail); |
1892 |
|
return new byte[0]; |
1893 |
|
} |
1894 |
|
} |
1895 |
|
|
1896 |
+ |
void assertImmutable(final Object o) { |
1897 |
+ |
if (o instanceof Collection) { |
1898 |
+ |
assertThrows( |
1899 |
+ |
UnsupportedOperationException.class, |
1900 |
+ |
new Runnable() { public void run() { |
1901 |
+ |
((Collection) o).add(null);}}); |
1902 |
+ |
} |
1903 |
+ |
} |
1904 |
+ |
|
1905 |
|
@SuppressWarnings("unchecked") |
1906 |
|
<T> T serialClone(T o) { |
1907 |
|
try { |
1908 |
|
ObjectInputStream ois = new ObjectInputStream |
1909 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1910 |
|
T clone = (T) ois.readObject(); |
1911 |
+ |
if (o == clone) assertImmutable(o); |
1912 |
|
assertSame(o.getClass(), clone.getClass()); |
1913 |
|
return clone; |
1914 |
< |
} catch (Throwable t) { |
1915 |
< |
threadUnexpectedException(t); |
1914 |
> |
} catch (Throwable fail) { |
1915 |
> |
threadUnexpectedException(fail); |
1916 |
> |
return null; |
1917 |
> |
} |
1918 |
> |
} |
1919 |
> |
|
1920 |
> |
/** |
1921 |
> |
* A version of serialClone that leaves error handling (for |
1922 |
> |
* e.g. NotSerializableException) up to the caller. |
1923 |
> |
*/ |
1924 |
> |
@SuppressWarnings("unchecked") |
1925 |
> |
<T> T serialClonePossiblyFailing(T o) |
1926 |
> |
throws ReflectiveOperationException, java.io.IOException { |
1927 |
> |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1928 |
> |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1929 |
> |
oos.writeObject(o); |
1930 |
> |
oos.flush(); |
1931 |
> |
oos.close(); |
1932 |
> |
ObjectInputStream ois = new ObjectInputStream |
1933 |
> |
(new ByteArrayInputStream(bos.toByteArray())); |
1934 |
> |
T clone = (T) ois.readObject(); |
1935 |
> |
if (o == clone) assertImmutable(o); |
1936 |
> |
assertSame(o.getClass(), clone.getClass()); |
1937 |
> |
return clone; |
1938 |
> |
} |
1939 |
> |
|
1940 |
> |
/** |
1941 |
> |
* If o implements Cloneable and has a public clone method, |
1942 |
> |
* returns a clone of o, else null. |
1943 |
> |
*/ |
1944 |
> |
@SuppressWarnings("unchecked") |
1945 |
> |
<T> T cloneableClone(T o) { |
1946 |
> |
if (!(o instanceof Cloneable)) return null; |
1947 |
> |
final T clone; |
1948 |
> |
try { |
1949 |
> |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1950 |
> |
} catch (NoSuchMethodException ok) { |
1951 |
|
return null; |
1952 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1953 |
+ |
throw new Error(unexpected); |
1954 |
|
} |
1955 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1956 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1957 |
+ |
return clone; |
1958 |
+ |
} |
1959 |
+ |
|
1960 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1961 |
+ |
Runnable... throwingActions) { |
1962 |
+ |
for (Runnable throwingAction : throwingActions) { |
1963 |
+ |
boolean threw = false; |
1964 |
+ |
try { throwingAction.run(); } |
1965 |
+ |
catch (Throwable t) { |
1966 |
+ |
threw = true; |
1967 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1968 |
+ |
AssertionFailedError afe = |
1969 |
+ |
new AssertionFailedError |
1970 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1971 |
+ |
", got " + t.getClass().getName()); |
1972 |
+ |
afe.initCause(t); |
1973 |
+ |
threadUnexpectedException(afe); |
1974 |
+ |
} |
1975 |
+ |
} |
1976 |
+ |
if (!threw) |
1977 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1978 |
+ |
} |
1979 |
+ |
} |
1980 |
+ |
|
1981 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1982 |
+ |
try { |
1983 |
+ |
it.next(); |
1984 |
+ |
shouldThrow(); |
1985 |
+ |
} catch (NoSuchElementException success) {} |
1986 |
+ |
assertFalse(it.hasNext()); |
1987 |
+ |
} |
1988 |
+ |
|
1989 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1990 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1991 |
+ |
} |
1992 |
+ |
|
1993 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1994 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1995 |
+ |
} |
1996 |
+ |
|
1997 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1998 |
+ |
static final ExecutorService cachedThreadPool = |
1999 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
2000 |
+ |
1000L, MILLISECONDS, |
2001 |
+ |
new SynchronousQueue<Runnable>()); |
2002 |
+ |
|
2003 |
+ |
static <T> void shuffle(T[] array) { |
2004 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
2005 |
|
} |
2006 |
|
} |