1 |
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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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< |
* http://creativecommons.org/licenses/publicdomain |
4 |
> |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
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* Pat Fisher, Mike Judd. |
7 |
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*/ |
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|
9 |
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import junit.framework.*; |
10 |
– |
import java.util.Arrays; |
11 |
– |
import java.util.NoSuchElementException; |
12 |
– |
import java.util.PropertyPermission; |
13 |
– |
import java.util.concurrent.*; |
14 |
– |
import java.util.concurrent.atomic.AtomicReference; |
9 |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
+ |
|
12 |
+ |
import java.io.ByteArrayInputStream; |
13 |
+ |
import java.io.ByteArrayOutputStream; |
14 |
+ |
import java.io.ObjectInputStream; |
15 |
+ |
import java.io.ObjectOutputStream; |
16 |
+ |
import java.lang.management.ManagementFactory; |
17 |
+ |
import java.lang.management.ThreadInfo; |
18 |
+ |
import java.lang.reflect.Constructor; |
19 |
+ |
import java.lang.reflect.Method; |
20 |
+ |
import java.lang.reflect.Modifier; |
21 |
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import java.security.CodeSource; |
22 |
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import java.security.Permission; |
23 |
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import java.security.PermissionCollection; |
25 |
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import java.security.Policy; |
26 |
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import java.security.ProtectionDomain; |
27 |
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import java.security.SecurityPermission; |
28 |
+ |
import java.util.ArrayList; |
29 |
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import java.util.Arrays; |
30 |
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import java.util.Date; |
31 |
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import java.util.Enumeration; |
32 |
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import java.util.Iterator; |
33 |
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import java.util.List; |
34 |
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import java.util.NoSuchElementException; |
35 |
+ |
import java.util.PropertyPermission; |
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+ |
import java.util.concurrent.BlockingQueue; |
37 |
+ |
import java.util.concurrent.Callable; |
38 |
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import java.util.concurrent.CountDownLatch; |
39 |
+ |
import java.util.concurrent.CyclicBarrier; |
40 |
+ |
import java.util.concurrent.ExecutorService; |
41 |
+ |
import java.util.concurrent.Future; |
42 |
+ |
import java.util.concurrent.RecursiveAction; |
43 |
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import java.util.concurrent.RecursiveTask; |
44 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
45 |
+ |
import java.util.concurrent.Semaphore; |
46 |
+ |
import java.util.concurrent.ThreadFactory; |
47 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
48 |
+ |
import java.util.concurrent.TimeoutException; |
49 |
+ |
import java.util.concurrent.atomic.AtomicReference; |
50 |
+ |
import java.util.regex.Pattern; |
51 |
+ |
|
52 |
+ |
import junit.framework.AssertionFailedError; |
53 |
+ |
import junit.framework.Test; |
54 |
+ |
import junit.framework.TestCase; |
55 |
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import junit.framework.TestResult; |
56 |
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import junit.framework.TestSuite; |
57 |
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|
58 |
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/** |
59 |
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* Base class for JSR166 Junit TCK tests. Defines some constants, |
96 |
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* |
97 |
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* </ol> |
98 |
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* |
99 |
< |
* <p> <b>Other notes</b> |
99 |
> |
* <p><b>Other notes</b> |
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* <ul> |
101 |
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* |
102 |
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* <li> Usually, there is one testcase method per JSR166 method |
136 |
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Boolean.getBoolean("jsr166.expensiveTests"); |
137 |
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|
138 |
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/** |
139 |
+ |
* If true, also run tests that are not part of the official tck |
140 |
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* because they test unspecified implementation details. |
141 |
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*/ |
142 |
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protected static final boolean testImplementationDetails = |
143 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
144 |
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|
145 |
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/** |
146 |
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* If true, report on stdout all "slow" tests, that is, ones that |
147 |
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* take more than profileThreshold milliseconds to execute. |
148 |
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*/ |
156 |
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private static final long profileThreshold = |
157 |
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Long.getLong("jsr166.profileThreshold", 100); |
158 |
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|
159 |
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/** |
160 |
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* The number of repetitions per test (for tickling rare bugs). |
161 |
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*/ |
162 |
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private static final int runsPerTest = |
163 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
164 |
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|
165 |
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/** |
166 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
167 |
+ |
*/ |
168 |
+ |
private static final int suiteRuns = |
169 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
170 |
+ |
|
171 |
+ |
public JSR166TestCase() { super(); } |
172 |
+ |
public JSR166TestCase(String name) { super(name); } |
173 |
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|
174 |
+ |
/** |
175 |
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* A filter for tests to run, matching strings of the form |
176 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
177 |
+ |
* Usefully combined with jsr166.runsPerTest. |
178 |
+ |
*/ |
179 |
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private static final Pattern methodFilter = methodFilter(); |
180 |
+ |
|
181 |
+ |
private static Pattern methodFilter() { |
182 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
183 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
184 |
+ |
} |
185 |
+ |
|
186 |
|
protected void runTest() throws Throwable { |
187 |
< |
if (profileTests) |
188 |
< |
runTestProfiled(); |
189 |
< |
else |
190 |
< |
super.runTest(); |
187 |
> |
if (methodFilter == null |
188 |
> |
|| methodFilter.matcher(toString()).find()) { |
189 |
> |
for (int i = 0; i < runsPerTest; i++) { |
190 |
> |
if (profileTests) |
191 |
> |
runTestProfiled(); |
192 |
> |
else |
193 |
> |
super.runTest(); |
194 |
> |
} |
195 |
> |
} |
196 |
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} |
197 |
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|
198 |
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protected void runTestProfiled() throws Throwable { |
199 |
+ |
// Warmup run, notably to trigger all needed classloading. |
200 |
+ |
super.runTest(); |
201 |
|
long t0 = System.nanoTime(); |
202 |
|
try { |
203 |
|
super.runTest(); |
204 |
|
} finally { |
205 |
< |
long elapsedMillis = |
132 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
205 |
> |
long elapsedMillis = millisElapsedSince(t0); |
206 |
|
if (elapsedMillis >= profileThreshold) |
207 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
208 |
|
} |
209 |
|
} |
210 |
|
|
211 |
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/** |
212 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
212 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
213 |
|
*/ |
214 |
|
public static void main(String[] args) { |
215 |
+ |
main(suite(), args); |
216 |
+ |
} |
217 |
+ |
|
218 |
+ |
/** |
219 |
+ |
* Runs all unit tests in the given test suite. |
220 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
221 |
+ |
*/ |
222 |
+ |
static void main(Test suite, String[] args) { |
223 |
|
if (useSecurityManager) { |
224 |
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System.err.println("Setting a permissive security manager"); |
225 |
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Policy.setPolicy(permissivePolicy()); |
226 |
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System.setSecurityManager(new SecurityManager()); |
227 |
|
} |
228 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
229 |
< |
|
230 |
< |
Test s = suite(); |
231 |
< |
for (int i = 0; i < iters; ++i) { |
151 |
< |
junit.textui.TestRunner.run(s); |
228 |
> |
for (int i = 0; i < suiteRuns; i++) { |
229 |
> |
TestResult result = junit.textui.TestRunner.run(suite); |
230 |
> |
if (!result.wasSuccessful()) |
231 |
> |
System.exit(1); |
232 |
|
System.gc(); |
233 |
|
System.runFinalization(); |
234 |
|
} |
155 |
– |
System.exit(0); |
235 |
|
} |
236 |
|
|
237 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
247 |
|
return suite; |
248 |
|
} |
249 |
|
|
250 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
251 |
+ |
String... testClassNames) { |
252 |
+ |
for (String testClassName : testClassNames) { |
253 |
+ |
try { |
254 |
+ |
Class<?> testClass = Class.forName(testClassName); |
255 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
256 |
+ |
new Class<?>[0]); |
257 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
258 |
+ |
} catch (Exception e) { |
259 |
+ |
throw new Error("Missing test class", e); |
260 |
+ |
} |
261 |
+ |
} |
262 |
+ |
} |
263 |
+ |
|
264 |
+ |
public static final double JAVA_CLASS_VERSION; |
265 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
266 |
+ |
static { |
267 |
+ |
try { |
268 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
269 |
+ |
new java.security.PrivilegedAction<Double>() { |
270 |
+ |
public Double run() { |
271 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
272 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
273 |
+ |
new java.security.PrivilegedAction<String>() { |
274 |
+ |
public String run() { |
275 |
+ |
return System.getProperty("java.specification.version");}}); |
276 |
+ |
} catch (Throwable t) { |
277 |
+ |
throw new Error(t); |
278 |
+ |
} |
279 |
+ |
} |
280 |
+ |
|
281 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
282 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
283 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
284 |
+ |
public static boolean atLeastJava9() { |
285 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
286 |
+ |
return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
287 |
+ |
} |
288 |
+ |
// public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
289 |
+ |
public static boolean atLeastJava10() { |
290 |
+ |
return JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
291 |
+ |
} |
292 |
+ |
|
293 |
|
/** |
294 |
|
* Collects all JSR166 unit tests as one suite. |
295 |
|
*/ |
296 |
|
public static Test suite() { |
297 |
< |
return newTestSuite( |
297 |
> |
// Java7+ test classes |
298 |
> |
TestSuite suite = newTestSuite( |
299 |
|
ForkJoinPoolTest.suite(), |
300 |
|
ForkJoinTaskTest.suite(), |
301 |
|
RecursiveActionTest.suite(), |
360 |
|
TreeSetTest.suite(), |
361 |
|
TreeSubMapTest.suite(), |
362 |
|
TreeSubSetTest.suite()); |
363 |
+ |
|
364 |
+ |
// Java8+ test classes |
365 |
+ |
if (atLeastJava8()) { |
366 |
+ |
String[] java8TestClassNames = { |
367 |
+ |
"Atomic8Test", |
368 |
+ |
"CompletableFutureTest", |
369 |
+ |
"ConcurrentHashMap8Test", |
370 |
+ |
"CountedCompleterTest", |
371 |
+ |
"DoubleAccumulatorTest", |
372 |
+ |
"DoubleAdderTest", |
373 |
+ |
"ForkJoinPool8Test", |
374 |
+ |
"ForkJoinTask8Test", |
375 |
+ |
"LongAccumulatorTest", |
376 |
+ |
"LongAdderTest", |
377 |
+ |
"SplittableRandomTest", |
378 |
+ |
"StampedLockTest", |
379 |
+ |
"ThreadLocalRandom8Test", |
380 |
+ |
}; |
381 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
382 |
+ |
} |
383 |
+ |
|
384 |
+ |
// Java9+ test classes |
385 |
+ |
if (atLeastJava9()) { |
386 |
+ |
String[] java9TestClassNames = { |
387 |
+ |
"ThreadPoolExecutor9Test", |
388 |
+ |
}; |
389 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
390 |
+ |
} |
391 |
+ |
|
392 |
+ |
return suite; |
393 |
|
} |
394 |
|
|
395 |
+ |
/** Returns list of junit-style test method names in given class. */ |
396 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
397 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
398 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
399 |
+ |
for (Method method : methods) { |
400 |
+ |
if (method.getName().startsWith("test") |
401 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
402 |
+ |
// method.getParameterCount() requires jdk8+ |
403 |
+ |
&& method.getParameterTypes().length == 0) { |
404 |
+ |
names.add(method.getName()); |
405 |
+ |
} |
406 |
+ |
} |
407 |
+ |
return names; |
408 |
+ |
} |
409 |
+ |
|
410 |
+ |
/** |
411 |
+ |
* Returns junit-style testSuite for the given test class, but |
412 |
+ |
* parameterized by passing extra data to each test. |
413 |
+ |
*/ |
414 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
415 |
+ |
(Class<? extends JSR166TestCase> testClass, |
416 |
+ |
Class<ExtraData> dataClass, |
417 |
+ |
ExtraData data) { |
418 |
+ |
try { |
419 |
+ |
TestSuite suite = new TestSuite(); |
420 |
+ |
Constructor c = |
421 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
422 |
+ |
for (String methodName : testMethodNames(testClass)) |
423 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
424 |
+ |
return suite; |
425 |
+ |
} catch (Exception e) { |
426 |
+ |
throw new Error(e); |
427 |
+ |
} |
428 |
+ |
} |
429 |
+ |
|
430 |
+ |
/** |
431 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
432 |
+ |
* given test class, but parameterized by passing extra data to |
433 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
434 |
+ |
*/ |
435 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
436 |
+ |
(Class<? extends JSR166TestCase> testClass, |
437 |
+ |
Class<ExtraData> dataClass, |
438 |
+ |
ExtraData data) { |
439 |
+ |
if (atLeastJava8()) { |
440 |
+ |
String name = testClass.getName(); |
441 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
442 |
+ |
if (name.equals(name8)) throw new Error(name); |
443 |
+ |
try { |
444 |
+ |
return (Test) |
445 |
+ |
Class.forName(name8) |
446 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
447 |
+ |
.invoke(null, data); |
448 |
+ |
} catch (Exception e) { |
449 |
+ |
throw new Error(e); |
450 |
+ |
} |
451 |
+ |
} else { |
452 |
+ |
return new TestSuite(); |
453 |
+ |
} |
454 |
+ |
|
455 |
+ |
} |
456 |
+ |
|
457 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
458 |
|
|
459 |
|
public static long SHORT_DELAY_MS; |
460 |
|
public static long SMALL_DELAY_MS; |
461 |
|
public static long MEDIUM_DELAY_MS; |
462 |
|
public static long LONG_DELAY_MS; |
463 |
|
|
248 |
– |
|
464 |
|
/** |
465 |
|
* Returns the shortest timed delay. This could |
466 |
|
* be reimplemented to use for example a Property. |
469 |
|
return 50; |
470 |
|
} |
471 |
|
|
257 |
– |
|
472 |
|
/** |
473 |
|
* Sets delays as multiples of SHORT_DELAY. |
474 |
|
*/ |
480 |
|
} |
481 |
|
|
482 |
|
/** |
483 |
+ |
* Returns a timeout in milliseconds to be used in tests that |
484 |
+ |
* verify that operations block or time out. |
485 |
+ |
*/ |
486 |
+ |
long timeoutMillis() { |
487 |
+ |
return SHORT_DELAY_MS / 4; |
488 |
+ |
} |
489 |
+ |
|
490 |
+ |
/** |
491 |
+ |
* Returns a new Date instance representing a time at least |
492 |
+ |
* delayMillis milliseconds in the future. |
493 |
+ |
*/ |
494 |
+ |
Date delayedDate(long delayMillis) { |
495 |
+ |
// Add 1 because currentTimeMillis is known to round into the past. |
496 |
+ |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
497 |
+ |
} |
498 |
+ |
|
499 |
+ |
/** |
500 |
|
* The first exception encountered if any threadAssertXXX method fails. |
501 |
|
*/ |
502 |
|
private final AtomicReference<Throwable> threadFailure |
517 |
|
} |
518 |
|
|
519 |
|
/** |
520 |
+ |
* Extra checks that get done for all test cases. |
521 |
+ |
* |
522 |
|
* Triggers test case failure if any thread assertions have failed, |
523 |
|
* by rethrowing, in the test harness thread, any exception recorded |
524 |
|
* earlier by threadRecordFailure. |
525 |
+ |
* |
526 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
527 |
|
*/ |
528 |
|
public void tearDown() throws Exception { |
529 |
|
Throwable t = threadFailure.getAndSet(null); |
541 |
|
throw afe; |
542 |
|
} |
543 |
|
} |
544 |
+ |
|
545 |
+ |
if (Thread.interrupted()) |
546 |
+ |
throw new AssertionFailedError("interrupt status set in main thread"); |
547 |
+ |
|
548 |
+ |
checkForkJoinPoolThreadLeaks(); |
549 |
+ |
} |
550 |
+ |
|
551 |
+ |
/** |
552 |
+ |
* Finds missing try { ... } finally { joinPool(e); } |
553 |
+ |
*/ |
554 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
555 |
+ |
Thread[] survivors = new Thread[5]; |
556 |
+ |
int count = Thread.enumerate(survivors); |
557 |
+ |
for (int i = 0; i < count; i++) { |
558 |
+ |
Thread thread = survivors[i]; |
559 |
+ |
String name = thread.getName(); |
560 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
561 |
+ |
// give thread some time to terminate |
562 |
+ |
thread.join(LONG_DELAY_MS); |
563 |
+ |
if (!thread.isAlive()) continue; |
564 |
+ |
throw new AssertionFailedError |
565 |
+ |
(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n", |
566 |
+ |
toString(), name)); |
567 |
+ |
} |
568 |
+ |
} |
569 |
|
} |
570 |
|
|
571 |
|
/** |
646 |
|
public void threadAssertEquals(Object x, Object y) { |
647 |
|
try { |
648 |
|
assertEquals(x, y); |
649 |
< |
} catch (AssertionFailedError t) { |
650 |
< |
threadRecordFailure(t); |
651 |
< |
throw t; |
652 |
< |
} catch (Throwable t) { |
653 |
< |
threadUnexpectedException(t); |
649 |
> |
} catch (AssertionFailedError fail) { |
650 |
> |
threadRecordFailure(fail); |
651 |
> |
throw fail; |
652 |
> |
} catch (Throwable fail) { |
653 |
> |
threadUnexpectedException(fail); |
654 |
|
} |
655 |
|
} |
656 |
|
|
662 |
|
public void threadAssertSame(Object x, Object y) { |
663 |
|
try { |
664 |
|
assertSame(x, y); |
665 |
< |
} catch (AssertionFailedError t) { |
666 |
< |
threadRecordFailure(t); |
667 |
< |
throw t; |
665 |
> |
} catch (AssertionFailedError fail) { |
666 |
> |
threadRecordFailure(fail); |
667 |
> |
throw fail; |
668 |
|
} |
669 |
|
} |
670 |
|
|
697 |
|
else { |
698 |
|
AssertionFailedError afe = |
699 |
|
new AssertionFailedError("unexpected exception: " + t); |
700 |
< |
t.initCause(t); |
700 |
> |
afe.initCause(t); |
701 |
|
throw afe; |
702 |
|
} |
703 |
|
} |
704 |
|
|
705 |
|
/** |
706 |
+ |
* Delays, via Thread.sleep, for the given millisecond delay, but |
707 |
+ |
* if the sleep is shorter than specified, may re-sleep or yield |
708 |
+ |
* until time elapses. |
709 |
+ |
*/ |
710 |
+ |
static void delay(long millis) throws InterruptedException { |
711 |
+ |
long startTime = System.nanoTime(); |
712 |
+ |
long ns = millis * 1000 * 1000; |
713 |
+ |
for (;;) { |
714 |
+ |
if (millis > 0L) |
715 |
+ |
Thread.sleep(millis); |
716 |
+ |
else // too short to sleep |
717 |
+ |
Thread.yield(); |
718 |
+ |
long d = ns - (System.nanoTime() - startTime); |
719 |
+ |
if (d > 0L) |
720 |
+ |
millis = d / (1000 * 1000); |
721 |
+ |
else |
722 |
+ |
break; |
723 |
+ |
} |
724 |
+ |
} |
725 |
+ |
|
726 |
+ |
/** |
727 |
|
* Waits out termination of a thread pool or fails doing so. |
728 |
|
*/ |
729 |
< |
public void joinPool(ExecutorService exec) { |
729 |
> |
void joinPool(ExecutorService exec) { |
730 |
|
try { |
731 |
|
exec.shutdown(); |
732 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
733 |
< |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
732 |
> |
if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
733 |
> |
fail("ExecutorService " + exec + |
734 |
> |
" did not terminate in a timely manner"); |
735 |
|
} catch (SecurityException ok) { |
736 |
|
// Allowed in case test doesn't have privs |
737 |
< |
} catch (InterruptedException ie) { |
737 |
> |
} catch (InterruptedException fail) { |
738 |
|
fail("Unexpected InterruptedException"); |
739 |
|
} |
740 |
|
} |
741 |
|
|
742 |
+ |
/** |
743 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
744 |
+ |
*/ |
745 |
+ |
static void printAllStackTraces() { |
746 |
+ |
for (ThreadInfo info : |
747 |
+ |
ManagementFactory.getThreadMXBean() |
748 |
+ |
.dumpAllThreads(true, true)) |
749 |
+ |
System.err.print(info); |
750 |
+ |
} |
751 |
+ |
|
752 |
+ |
/** |
753 |
+ |
* Checks that thread does not terminate within the default |
754 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
755 |
+ |
*/ |
756 |
+ |
void assertThreadStaysAlive(Thread thread) { |
757 |
+ |
assertThreadStaysAlive(thread, timeoutMillis()); |
758 |
+ |
} |
759 |
+ |
|
760 |
+ |
/** |
761 |
+ |
* Checks that thread does not terminate within the given millisecond delay. |
762 |
+ |
*/ |
763 |
+ |
void assertThreadStaysAlive(Thread thread, long millis) { |
764 |
+ |
try { |
765 |
+ |
// No need to optimize the failing case via Thread.join. |
766 |
+ |
delay(millis); |
767 |
+ |
assertTrue(thread.isAlive()); |
768 |
+ |
} catch (InterruptedException fail) { |
769 |
+ |
fail("Unexpected InterruptedException"); |
770 |
+ |
} |
771 |
+ |
} |
772 |
+ |
|
773 |
+ |
/** |
774 |
+ |
* Checks that the threads do not terminate within the default |
775 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
776 |
+ |
*/ |
777 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
778 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
779 |
+ |
} |
780 |
+ |
|
781 |
+ |
/** |
782 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
783 |
+ |
*/ |
784 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
785 |
+ |
try { |
786 |
+ |
// No need to optimize the failing case via Thread.join. |
787 |
+ |
delay(millis); |
788 |
+ |
for (Thread thread : threads) |
789 |
+ |
assertTrue(thread.isAlive()); |
790 |
+ |
} catch (InterruptedException fail) { |
791 |
+ |
fail("Unexpected InterruptedException"); |
792 |
+ |
} |
793 |
+ |
} |
794 |
+ |
|
795 |
+ |
/** |
796 |
+ |
* Checks that future.get times out, with the default timeout of |
797 |
+ |
* {@code timeoutMillis()}. |
798 |
+ |
*/ |
799 |
+ |
void assertFutureTimesOut(Future future) { |
800 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
801 |
+ |
} |
802 |
+ |
|
803 |
+ |
/** |
804 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
805 |
+ |
*/ |
806 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
807 |
+ |
long startTime = System.nanoTime(); |
808 |
+ |
try { |
809 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
810 |
+ |
shouldThrow(); |
811 |
+ |
} catch (TimeoutException success) { |
812 |
+ |
} catch (Exception fail) { |
813 |
+ |
threadUnexpectedException(fail); |
814 |
+ |
} finally { future.cancel(true); } |
815 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
816 |
+ |
} |
817 |
|
|
818 |
|
/** |
819 |
|
* Fails with message "should throw exception". |
854 |
|
public static final Integer m6 = new Integer(-6); |
855 |
|
public static final Integer m10 = new Integer(-10); |
856 |
|
|
500 |
– |
|
857 |
|
/** |
858 |
|
* Runs Runnable r with a security policy that permits precisely |
859 |
|
* the specified permissions. If there is no current security |
865 |
|
SecurityManager sm = System.getSecurityManager(); |
866 |
|
if (sm == null) { |
867 |
|
r.run(); |
868 |
+ |
} |
869 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
870 |
+ |
} |
871 |
+ |
|
872 |
+ |
/** |
873 |
+ |
* Runs Runnable r with a security policy that permits precisely |
874 |
+ |
* the specified permissions. If there is no current security |
875 |
+ |
* manager, a temporary one is set for the duration of the |
876 |
+ |
* Runnable. We require that any security manager permit |
877 |
+ |
* getPolicy/setPolicy. |
878 |
+ |
*/ |
879 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
880 |
+ |
Permission... permissions) { |
881 |
+ |
SecurityManager sm = System.getSecurityManager(); |
882 |
+ |
if (sm == null) { |
883 |
|
Policy savedPolicy = Policy.getPolicy(); |
884 |
|
try { |
885 |
|
Policy.setPolicy(permissivePolicy()); |
886 |
|
System.setSecurityManager(new SecurityManager()); |
887 |
< |
runWithPermissions(r, permissions); |
887 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
888 |
|
} finally { |
889 |
|
System.setSecurityManager(null); |
890 |
|
Policy.setPolicy(savedPolicy); |
932 |
|
return perms.implies(p); |
933 |
|
} |
934 |
|
public void refresh() {} |
935 |
+ |
public String toString() { |
936 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
937 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
938 |
+ |
ps.add(e.nextElement()); |
939 |
+ |
return "AdjustablePolicy with permissions " + ps; |
940 |
+ |
} |
941 |
|
} |
942 |
|
|
943 |
|
/** |
965 |
|
*/ |
966 |
|
void sleep(long millis) { |
967 |
|
try { |
968 |
< |
Thread.sleep(millis); |
969 |
< |
} catch (InterruptedException ie) { |
968 |
> |
delay(millis); |
969 |
> |
} catch (InterruptedException fail) { |
970 |
|
AssertionFailedError afe = |
971 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
972 |
< |
afe.initCause(ie); |
972 |
> |
afe.initCause(fail); |
973 |
|
throw afe; |
974 |
|
} |
975 |
|
} |
976 |
|
|
977 |
|
/** |
978 |
< |
* Sleeps until the timeout has elapsed, or interrupted. |
602 |
< |
* Does <em>NOT</em> throw InterruptedException. |
603 |
< |
*/ |
604 |
< |
void sleepTillInterrupted(long timeoutMillis) { |
605 |
< |
try { |
606 |
< |
Thread.sleep(timeoutMillis); |
607 |
< |
} catch (InterruptedException wakeup) {} |
608 |
< |
} |
609 |
< |
|
610 |
< |
/** |
611 |
< |
* Waits up to the specified number of milliseconds for the given |
978 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
979 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
980 |
|
*/ |
981 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
982 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
616 |
< |
long t0 = System.nanoTime(); |
982 |
> |
long startTime = System.nanoTime(); |
983 |
|
for (;;) { |
984 |
|
Thread.State s = thread.getState(); |
985 |
|
if (s == Thread.State.BLOCKED || |
988 |
|
return; |
989 |
|
else if (s == Thread.State.TERMINATED) |
990 |
|
fail("Unexpected thread termination"); |
991 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
991 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
992 |
|
threadAssertTrue(thread.isAlive()); |
993 |
|
return; |
994 |
|
} |
997 |
|
} |
998 |
|
|
999 |
|
/** |
1000 |
+ |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1001 |
+ |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1002 |
+ |
*/ |
1003 |
+ |
void waitForThreadToEnterWaitState(Thread thread) { |
1004 |
+ |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1005 |
+ |
} |
1006 |
+ |
|
1007 |
+ |
/** |
1008 |
|
* Returns the number of milliseconds since time given by |
1009 |
|
* startNanoTime, which must have been previously returned from a |
1010 |
< |
* call to {@link System.nanoTime()}. |
1010 |
> |
* call to {@link System#nanoTime()}. |
1011 |
|
*/ |
1012 |
< |
long millisElapsedSince(long startNanoTime) { |
1012 |
> |
static long millisElapsedSince(long startNanoTime) { |
1013 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1014 |
|
} |
1015 |
|
|
1016 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1017 |
+ |
// long startTime = System.nanoTime(); |
1018 |
+ |
// try { |
1019 |
+ |
// r.run(); |
1020 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1021 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1022 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
1023 |
+ |
// } |
1024 |
+ |
|
1025 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
1026 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1027 |
+ |
// } |
1028 |
+ |
|
1029 |
+ |
/** |
1030 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
1031 |
+ |
* wait for the timeout to elapse before returning. |
1032 |
+ |
*/ |
1033 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1034 |
+ |
long startTime = System.nanoTime(); |
1035 |
+ |
try { |
1036 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1037 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1038 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1039 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
1040 |
+ |
} |
1041 |
+ |
|
1042 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1043 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1044 |
+ |
} |
1045 |
+ |
|
1046 |
|
/** |
1047 |
|
* Returns a new started daemon Thread running the given runnable. |
1048 |
|
*/ |
1061 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1062 |
|
try { |
1063 |
|
t.join(timeoutMillis); |
1064 |
< |
} catch (InterruptedException ie) { |
1065 |
< |
threadUnexpectedException(ie); |
1064 |
> |
} catch (InterruptedException fail) { |
1065 |
> |
threadUnexpectedException(fail); |
1066 |
|
} finally { |
1067 |
< |
if (t.isAlive()) { |
1067 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
1068 |
|
t.interrupt(); |
1069 |
|
fail("Test timed out"); |
1070 |
|
} |
1071 |
|
} |
1072 |
|
} |
1073 |
|
|
1074 |
+ |
/** |
1075 |
+ |
* Waits for LONG_DELAY_MS milliseconds for the thread to |
1076 |
+ |
* terminate (using {@link Thread#join(long)}), else interrupts |
1077 |
+ |
* the thread (in the hope that it may terminate later) and fails. |
1078 |
+ |
*/ |
1079 |
+ |
void awaitTermination(Thread t) { |
1080 |
+ |
awaitTermination(t, LONG_DELAY_MS); |
1081 |
+ |
} |
1082 |
+ |
|
1083 |
|
// Some convenient Runnable classes |
1084 |
|
|
1085 |
|
public abstract class CheckedRunnable implements Runnable { |
1088 |
|
public final void run() { |
1089 |
|
try { |
1090 |
|
realRun(); |
1091 |
< |
} catch (Throwable t) { |
1092 |
< |
threadUnexpectedException(t); |
1091 |
> |
} catch (Throwable fail) { |
1092 |
> |
threadUnexpectedException(fail); |
1093 |
|
} |
1094 |
|
} |
1095 |
|
} |
1142 |
|
realRun(); |
1143 |
|
threadShouldThrow("InterruptedException"); |
1144 |
|
} catch (InterruptedException success) { |
1145 |
< |
} catch (Throwable t) { |
1146 |
< |
threadUnexpectedException(t); |
1145 |
> |
threadAssertFalse(Thread.interrupted()); |
1146 |
> |
} catch (Throwable fail) { |
1147 |
> |
threadUnexpectedException(fail); |
1148 |
|
} |
1149 |
|
} |
1150 |
|
} |
1155 |
|
public final T call() { |
1156 |
|
try { |
1157 |
|
return realCall(); |
1158 |
< |
} catch (Throwable t) { |
1159 |
< |
threadUnexpectedException(t); |
1158 |
> |
} catch (Throwable fail) { |
1159 |
> |
threadUnexpectedException(fail); |
1160 |
|
return null; |
1161 |
|
} |
1162 |
|
} |
1172 |
|
threadShouldThrow("InterruptedException"); |
1173 |
|
return result; |
1174 |
|
} catch (InterruptedException success) { |
1175 |
< |
} catch (Throwable t) { |
1176 |
< |
threadUnexpectedException(t); |
1175 |
> |
threadAssertFalse(Thread.interrupted()); |
1176 |
> |
} catch (Throwable fail) { |
1177 |
> |
threadUnexpectedException(fail); |
1178 |
|
} |
1179 |
|
return null; |
1180 |
|
} |
1204 |
|
}}; |
1205 |
|
} |
1206 |
|
|
1207 |
+ |
public Runnable awaiter(final CountDownLatch latch) { |
1208 |
+ |
return new CheckedRunnable() { |
1209 |
+ |
public void realRun() throws InterruptedException { |
1210 |
+ |
await(latch); |
1211 |
+ |
}}; |
1212 |
+ |
} |
1213 |
+ |
|
1214 |
+ |
public void await(CountDownLatch latch) { |
1215 |
+ |
try { |
1216 |
+ |
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1217 |
+ |
} catch (Throwable fail) { |
1218 |
+ |
threadUnexpectedException(fail); |
1219 |
+ |
} |
1220 |
+ |
} |
1221 |
+ |
|
1222 |
+ |
public void await(Semaphore semaphore) { |
1223 |
+ |
try { |
1224 |
+ |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1225 |
+ |
} catch (Throwable fail) { |
1226 |
+ |
threadUnexpectedException(fail); |
1227 |
+ |
} |
1228 |
+ |
} |
1229 |
+ |
|
1230 |
+ |
// /** |
1231 |
+ |
// * Spin-waits up to LONG_DELAY_MS until flag becomes true. |
1232 |
+ |
// */ |
1233 |
+ |
// public void await(AtomicBoolean flag) { |
1234 |
+ |
// await(flag, LONG_DELAY_MS); |
1235 |
+ |
// } |
1236 |
+ |
|
1237 |
+ |
// /** |
1238 |
+ |
// * Spin-waits up to the specified timeout until flag becomes true. |
1239 |
+ |
// */ |
1240 |
+ |
// public void await(AtomicBoolean flag, long timeoutMillis) { |
1241 |
+ |
// long startTime = System.nanoTime(); |
1242 |
+ |
// while (!flag.get()) { |
1243 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis) |
1244 |
+ |
// throw new AssertionFailedError("timed out"); |
1245 |
+ |
// Thread.yield(); |
1246 |
+ |
// } |
1247 |
+ |
// } |
1248 |
+ |
|
1249 |
|
public static class NPETask implements Callable<String> { |
1250 |
|
public String call() { throw new NullPointerException(); } |
1251 |
|
} |
1256 |
|
|
1257 |
|
public class ShortRunnable extends CheckedRunnable { |
1258 |
|
protected void realRun() throws Throwable { |
1259 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1259 |
> |
delay(SHORT_DELAY_MS); |
1260 |
|
} |
1261 |
|
} |
1262 |
|
|
1263 |
|
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1264 |
|
protected void realRun() throws InterruptedException { |
1265 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1265 |
> |
delay(SHORT_DELAY_MS); |
1266 |
|
} |
1267 |
|
} |
1268 |
|
|
1269 |
|
public class SmallRunnable extends CheckedRunnable { |
1270 |
|
protected void realRun() throws Throwable { |
1271 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1271 |
> |
delay(SMALL_DELAY_MS); |
1272 |
|
} |
1273 |
|
} |
1274 |
|
|
1275 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1276 |
|
protected void realRun() { |
1277 |
|
try { |
1278 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1278 |
> |
delay(SMALL_DELAY_MS); |
1279 |
|
} catch (InterruptedException ok) {} |
1280 |
|
} |
1281 |
|
} |
1282 |
|
|
1283 |
|
public class SmallCallable extends CheckedCallable { |
1284 |
|
protected Object realCall() throws InterruptedException { |
1285 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1285 |
> |
delay(SMALL_DELAY_MS); |
1286 |
|
return Boolean.TRUE; |
1287 |
|
} |
1288 |
|
} |
1289 |
|
|
1290 |
|
public class MediumRunnable extends CheckedRunnable { |
1291 |
|
protected void realRun() throws Throwable { |
1292 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1292 |
> |
delay(MEDIUM_DELAY_MS); |
1293 |
|
} |
1294 |
|
} |
1295 |
|
|
1296 |
|
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1297 |
|
protected void realRun() throws InterruptedException { |
1298 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1298 |
> |
delay(MEDIUM_DELAY_MS); |
1299 |
|
} |
1300 |
|
} |
1301 |
|
|
1303 |
|
return new CheckedRunnable() { |
1304 |
|
protected void realRun() { |
1305 |
|
try { |
1306 |
< |
Thread.sleep(timeoutMillis); |
1306 |
> |
delay(timeoutMillis); |
1307 |
|
} catch (InterruptedException ok) {} |
1308 |
|
}}; |
1309 |
|
} |
1311 |
|
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1312 |
|
protected void realRun() { |
1313 |
|
try { |
1314 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1314 |
> |
delay(MEDIUM_DELAY_MS); |
1315 |
|
} catch (InterruptedException ok) {} |
1316 |
|
} |
1317 |
|
} |
1319 |
|
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1320 |
|
protected void realRun() { |
1321 |
|
try { |
1322 |
< |
Thread.sleep(LONG_DELAY_MS); |
1322 |
> |
delay(LONG_DELAY_MS); |
1323 |
|
} catch (InterruptedException ok) {} |
1324 |
|
} |
1325 |
|
} |
1343 |
|
public boolean isDone() { return done; } |
1344 |
|
public void run() { |
1345 |
|
try { |
1346 |
< |
Thread.sleep(timeoutMillis); |
1346 |
> |
delay(timeoutMillis); |
1347 |
|
done = true; |
1348 |
|
} catch (InterruptedException ok) {} |
1349 |
|
} |
1354 |
|
public volatile boolean done = false; |
1355 |
|
public void run() { |
1356 |
|
try { |
1357 |
< |
Thread.sleep(SHORT_DELAY_MS); |
1357 |
> |
delay(SHORT_DELAY_MS); |
1358 |
|
done = true; |
1359 |
|
} catch (InterruptedException ok) {} |
1360 |
|
} |
1364 |
|
public volatile boolean done = false; |
1365 |
|
public void run() { |
1366 |
|
try { |
1367 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1367 |
> |
delay(SMALL_DELAY_MS); |
1368 |
|
done = true; |
1369 |
|
} catch (InterruptedException ok) {} |
1370 |
|
} |
1374 |
|
public volatile boolean done = false; |
1375 |
|
public void run() { |
1376 |
|
try { |
1377 |
< |
Thread.sleep(MEDIUM_DELAY_MS); |
1377 |
> |
delay(MEDIUM_DELAY_MS); |
1378 |
|
done = true; |
1379 |
|
} catch (InterruptedException ok) {} |
1380 |
|
} |
1384 |
|
public volatile boolean done = false; |
1385 |
|
public void run() { |
1386 |
|
try { |
1387 |
< |
Thread.sleep(LONG_DELAY_MS); |
1387 |
> |
delay(LONG_DELAY_MS); |
1388 |
|
done = true; |
1389 |
|
} catch (InterruptedException ok) {} |
1390 |
|
} |
1401 |
|
public volatile boolean done = false; |
1402 |
|
public Object call() { |
1403 |
|
try { |
1404 |
< |
Thread.sleep(SMALL_DELAY_MS); |
1404 |
> |
delay(SMALL_DELAY_MS); |
1405 |
|
done = true; |
1406 |
|
} catch (InterruptedException ok) {} |
1407 |
|
return Boolean.TRUE; |
1414 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1415 |
|
protected abstract void realCompute() throws Throwable; |
1416 |
|
|
1417 |
< |
public final void compute() { |
1417 |
> |
@Override protected final void compute() { |
1418 |
|
try { |
1419 |
|
realCompute(); |
1420 |
< |
} catch (Throwable t) { |
1421 |
< |
threadUnexpectedException(t); |
1420 |
> |
} catch (Throwable fail) { |
1421 |
> |
threadUnexpectedException(fail); |
1422 |
|
} |
1423 |
|
} |
1424 |
|
} |
1429 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1430 |
|
protected abstract T realCompute() throws Throwable; |
1431 |
|
|
1432 |
< |
public final T compute() { |
1432 |
> |
@Override protected final T compute() { |
1433 |
|
try { |
1434 |
|
return realCompute(); |
1435 |
< |
} catch (Throwable t) { |
1436 |
< |
threadUnexpectedException(t); |
1435 |
> |
} catch (Throwable fail) { |
1436 |
> |
threadUnexpectedException(fail); |
1437 |
|
return null; |
1438 |
|
} |
1439 |
|
} |
1448 |
|
} |
1449 |
|
|
1450 |
|
/** |
1451 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1452 |
< |
* of throwing checked exceptions. |
1451 |
> |
* A CyclicBarrier that uses timed await and fails with |
1452 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1453 |
|
*/ |
1454 |
|
public class CheckedBarrier extends CyclicBarrier { |
1455 |
|
public CheckedBarrier(int parties) { super(parties); } |
1456 |
|
|
1457 |
|
public int await() { |
1458 |
|
try { |
1459 |
< |
return super.await(); |
1460 |
< |
} catch (Exception e) { |
1459 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1460 |
> |
} catch (TimeoutException timedOut) { |
1461 |
> |
throw new AssertionFailedError("timed out"); |
1462 |
> |
} catch (Exception fail) { |
1463 |
|
AssertionFailedError afe = |
1464 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1465 |
< |
afe.initCause(e); |
1464 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1465 |
> |
afe.initCause(fail); |
1466 |
|
throw afe; |
1467 |
|
} |
1468 |
|
} |
1469 |
|
} |
1470 |
|
|
1471 |
< |
public void checkEmpty(BlockingQueue q) { |
1471 |
> |
void checkEmpty(BlockingQueue q) { |
1472 |
|
try { |
1473 |
|
assertTrue(q.isEmpty()); |
1474 |
|
assertEquals(0, q.size()); |
1490 |
|
q.remove(); |
1491 |
|
shouldThrow(); |
1492 |
|
} catch (NoSuchElementException success) {} |
1493 |
< |
} catch (InterruptedException ie) { |
1494 |
< |
threadUnexpectedException(ie); |
1493 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1494 |
> |
} |
1495 |
> |
|
1496 |
> |
void assertSerialEquals(Object x, Object y) { |
1497 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1498 |
> |
} |
1499 |
> |
|
1500 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1501 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1502 |
> |
} |
1503 |
> |
|
1504 |
> |
byte[] serialBytes(Object o) { |
1505 |
> |
try { |
1506 |
> |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1507 |
> |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1508 |
> |
oos.writeObject(o); |
1509 |
> |
oos.flush(); |
1510 |
> |
oos.close(); |
1511 |
> |
return bos.toByteArray(); |
1512 |
> |
} catch (Throwable fail) { |
1513 |
> |
threadUnexpectedException(fail); |
1514 |
> |
return new byte[0]; |
1515 |
|
} |
1516 |
|
} |
1517 |
|
|
1518 |
+ |
@SuppressWarnings("unchecked") |
1519 |
+ |
<T> T serialClone(T o) { |
1520 |
+ |
try { |
1521 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1522 |
+ |
(new ByteArrayInputStream(serialBytes(o))); |
1523 |
+ |
T clone = (T) ois.readObject(); |
1524 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1525 |
+ |
return clone; |
1526 |
+ |
} catch (Throwable fail) { |
1527 |
+ |
threadUnexpectedException(fail); |
1528 |
+ |
return null; |
1529 |
+ |
} |
1530 |
+ |
} |
1531 |
+ |
|
1532 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1533 |
+ |
Runnable... throwingActions) { |
1534 |
+ |
for (Runnable throwingAction : throwingActions) { |
1535 |
+ |
boolean threw = false; |
1536 |
+ |
try { throwingAction.run(); } |
1537 |
+ |
catch (Throwable t) { |
1538 |
+ |
threw = true; |
1539 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1540 |
+ |
AssertionFailedError afe = |
1541 |
+ |
new AssertionFailedError |
1542 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1543 |
+ |
", got " + t.getClass().getName()); |
1544 |
+ |
afe.initCause(t); |
1545 |
+ |
threadUnexpectedException(afe); |
1546 |
+ |
} |
1547 |
+ |
} |
1548 |
+ |
if (!threw) |
1549 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1550 |
+ |
} |
1551 |
+ |
} |
1552 |
+ |
|
1553 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1554 |
+ |
try { |
1555 |
+ |
it.next(); |
1556 |
+ |
shouldThrow(); |
1557 |
+ |
} catch (NoSuchElementException success) {} |
1558 |
+ |
assertFalse(it.hasNext()); |
1559 |
+ |
} |
1560 |
|
} |