6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
< |
import junit.framework.*; |
9 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
> |
import static java.util.concurrent.TimeUnit.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.util.Arrays; |
17 |
< |
import java.util.Date; |
18 |
< |
import java.util.NoSuchElementException; |
19 |
< |
import java.util.PropertyPermission; |
20 |
< |
import java.util.concurrent.*; |
19 |
< |
import java.util.concurrent.atomic.AtomicBoolean; |
20 |
< |
import java.util.concurrent.atomic.AtomicReference; |
21 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
22 |
< |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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 |
|
import java.security.CodeSource; |
22 |
|
import java.security.Permission; |
23 |
|
import java.security.PermissionCollection; |
25 |
|
import java.security.Policy; |
26 |
|
import java.security.ProtectionDomain; |
27 |
|
import java.security.SecurityPermission; |
28 |
+ |
import java.util.ArrayList; |
29 |
+ |
import java.util.Arrays; |
30 |
+ |
import java.util.Date; |
31 |
+ |
import java.util.Enumeration; |
32 |
+ |
import java.util.Iterator; |
33 |
+ |
import java.util.List; |
34 |
+ |
import java.util.NoSuchElementException; |
35 |
+ |
import java.util.PropertyPermission; |
36 |
+ |
import java.util.concurrent.BlockingQueue; |
37 |
+ |
import java.util.concurrent.Callable; |
38 |
+ |
import java.util.concurrent.CountDownLatch; |
39 |
+ |
import java.util.concurrent.CyclicBarrier; |
40 |
+ |
import java.util.concurrent.ExecutionException; |
41 |
+ |
import java.util.concurrent.Executors; |
42 |
+ |
import java.util.concurrent.ExecutorService; |
43 |
+ |
import java.util.concurrent.ForkJoinPool; |
44 |
+ |
import java.util.concurrent.Future; |
45 |
+ |
import java.util.concurrent.RecursiveAction; |
46 |
+ |
import java.util.concurrent.RecursiveTask; |
47 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
48 |
+ |
import java.util.concurrent.Semaphore; |
49 |
+ |
import java.util.concurrent.ThreadFactory; |
50 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
51 |
+ |
import java.util.concurrent.TimeoutException; |
52 |
+ |
import java.util.concurrent.atomic.AtomicReference; |
53 |
+ |
import java.util.regex.Pattern; |
54 |
+ |
|
55 |
+ |
import junit.framework.AssertionFailedError; |
56 |
+ |
import junit.framework.Test; |
57 |
+ |
import junit.framework.TestCase; |
58 |
+ |
import junit.framework.TestResult; |
59 |
+ |
import junit.framework.TestSuite; |
60 |
|
|
61 |
|
/** |
62 |
|
* Base class for JSR166 Junit TCK tests. Defines some constants, |
68 |
|
* |
69 |
|
* <ol> |
70 |
|
* |
71 |
< |
* <li> All assertions in code running in generated threads must use |
71 |
> |
* <li>All assertions in code running in generated threads must use |
72 |
|
* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
73 |
|
* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
74 |
|
* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
75 |
|
* particularly recommended) for other code to use these forms too. |
76 |
|
* Only the most typically used JUnit assertion methods are defined |
77 |
< |
* this way, but enough to live with.</li> |
77 |
> |
* this way, but enough to live with. |
78 |
|
* |
79 |
< |
* <li> If you override {@link #setUp} or {@link #tearDown}, make sure |
79 |
> |
* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
80 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
81 |
|
* them. These methods are used to clear and check for thread |
82 |
< |
* assertion failures.</li> |
82 |
> |
* assertion failures. |
83 |
|
* |
84 |
|
* <li>All delays and timeouts must use one of the constants {@code |
85 |
|
* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS}, |
90 |
|
* is always discriminable as larger than SHORT and smaller than |
91 |
|
* MEDIUM. And so on. These constants are set to conservative values, |
92 |
|
* but even so, if there is ever any doubt, they can all be increased |
93 |
< |
* in one spot to rerun tests on slower platforms.</li> |
93 |
> |
* in one spot to rerun tests on slower platforms. |
94 |
|
* |
95 |
< |
* <li> All threads generated must be joined inside each test case |
95 |
> |
* <li>All threads generated must be joined inside each test case |
96 |
|
* method (or {@code fail} to do so) before returning from the |
97 |
|
* method. The {@code joinPool} method can be used to do this when |
98 |
< |
* using Executors.</li> |
98 |
> |
* using Executors. |
99 |
|
* |
100 |
|
* </ol> |
101 |
|
* |
102 |
< |
* <p> <b>Other notes</b> |
102 |
> |
* <p><b>Other notes</b> |
103 |
|
* <ul> |
104 |
|
* |
105 |
< |
* <li> Usually, there is one testcase method per JSR166 method |
105 |
> |
* <li>Usually, there is one testcase method per JSR166 method |
106 |
|
* covering "normal" operation, and then as many exception-testing |
107 |
|
* methods as there are exceptions the method can throw. Sometimes |
108 |
|
* there are multiple tests per JSR166 method when the different |
109 |
|
* "normal" behaviors differ significantly. And sometimes testcases |
110 |
|
* cover multiple methods when they cannot be tested in |
111 |
< |
* isolation.</li> |
111 |
> |
* isolation. |
112 |
|
* |
113 |
< |
* <li> The documentation style for testcases is to provide as javadoc |
113 |
> |
* <li>The documentation style for testcases is to provide as javadoc |
114 |
|
* a simple sentence or two describing the property that the testcase |
115 |
|
* method purports to test. The javadocs do not say anything about how |
116 |
< |
* the property is tested. To find out, read the code.</li> |
116 |
> |
* the property is tested. To find out, read the code. |
117 |
|
* |
118 |
< |
* <li> These tests are "conformance tests", and do not attempt to |
118 |
> |
* <li>These tests are "conformance tests", and do not attempt to |
119 |
|
* test throughput, latency, scalability or other performance factors |
120 |
|
* (see the separate "jtreg" tests for a set intended to check these |
121 |
|
* for the most central aspects of functionality.) So, most tests use |
122 |
|
* the smallest sensible numbers of threads, collection sizes, etc |
123 |
< |
* needed to check basic conformance.</li> |
123 |
> |
* needed to check basic conformance. |
124 |
|
* |
125 |
|
* <li>The test classes currently do not declare inclusion in |
126 |
|
* any particular package to simplify things for people integrating |
127 |
< |
* them in TCK test suites.</li> |
127 |
> |
* them in TCK test suites. |
128 |
|
* |
129 |
< |
* <li> As a convenience, the {@code main} of this class (JSR166TestCase) |
130 |
< |
* runs all JSR166 unit tests.</li> |
129 |
> |
* <li>As a convenience, the {@code main} of this class (JSR166TestCase) |
130 |
> |
* runs all JSR166 unit tests. |
131 |
|
* |
132 |
|
* </ul> |
133 |
|
*/ |
139 |
|
Boolean.getBoolean("jsr166.expensiveTests"); |
140 |
|
|
141 |
|
/** |
142 |
+ |
* If true, also run tests that are not part of the official tck |
143 |
+ |
* because they test unspecified implementation details. |
144 |
+ |
*/ |
145 |
+ |
protected static final boolean testImplementationDetails = |
146 |
+ |
Boolean.getBoolean("jsr166.testImplementationDetails"); |
147 |
+ |
|
148 |
+ |
/** |
149 |
|
* If true, report on stdout all "slow" tests, that is, ones that |
150 |
|
* take more than profileThreshold milliseconds to execute. |
151 |
|
*/ |
159 |
|
private static final long profileThreshold = |
160 |
|
Long.getLong("jsr166.profileThreshold", 100); |
161 |
|
|
162 |
+ |
/** |
163 |
+ |
* The number of repetitions per test (for tickling rare bugs). |
164 |
+ |
*/ |
165 |
+ |
private static final int runsPerTest = |
166 |
+ |
Integer.getInteger("jsr166.runsPerTest", 1); |
167 |
+ |
|
168 |
+ |
/** |
169 |
+ |
* The number of repetitions of the test suite (for finding leaks?). |
170 |
+ |
*/ |
171 |
+ |
private static final int suiteRuns = |
172 |
+ |
Integer.getInteger("jsr166.suiteRuns", 1); |
173 |
+ |
|
174 |
+ |
public JSR166TestCase() { super(); } |
175 |
+ |
public JSR166TestCase(String name) { super(name); } |
176 |
+ |
|
177 |
+ |
/** |
178 |
+ |
* A filter for tests to run, matching strings of the form |
179 |
+ |
* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)" |
180 |
+ |
* Usefully combined with jsr166.runsPerTest. |
181 |
+ |
*/ |
182 |
+ |
private static final Pattern methodFilter = methodFilter(); |
183 |
+ |
|
184 |
+ |
private static Pattern methodFilter() { |
185 |
+ |
String regex = System.getProperty("jsr166.methodFilter"); |
186 |
+ |
return (regex == null) ? null : Pattern.compile(regex); |
187 |
+ |
} |
188 |
+ |
|
189 |
+ |
public void runBare() throws Throwable { |
190 |
+ |
if (methodFilter == null |
191 |
+ |
|| methodFilter.matcher(toString()).find()) |
192 |
+ |
super.runBare(); |
193 |
+ |
} |
194 |
+ |
|
195 |
|
protected void runTest() throws Throwable { |
196 |
< |
if (profileTests) |
197 |
< |
runTestProfiled(); |
198 |
< |
else |
199 |
< |
super.runTest(); |
196 |
> |
for (int i = 0; i < runsPerTest; i++) { |
197 |
> |
if (profileTests) |
198 |
> |
runTestProfiled(); |
199 |
> |
else |
200 |
> |
super.runTest(); |
201 |
> |
} |
202 |
|
} |
203 |
|
|
204 |
|
protected void runTestProfiled() throws Throwable { |
205 |
< |
long t0 = System.nanoTime(); |
206 |
< |
try { |
205 |
> |
for (int i = 0; i < 2; i++) { |
206 |
> |
long startTime = System.nanoTime(); |
207 |
|
super.runTest(); |
208 |
< |
} finally { |
209 |
< |
long elapsedMillis = |
210 |
< |
(System.nanoTime() - t0) / (1000L * 1000L); |
211 |
< |
if (elapsedMillis >= profileThreshold) |
208 |
> |
long elapsedMillis = millisElapsedSince(startTime); |
209 |
> |
if (elapsedMillis < profileThreshold) |
210 |
> |
break; |
211 |
> |
// Never report first run of any test; treat it as a |
212 |
> |
// warmup run, notably to trigger all needed classloading, |
213 |
> |
if (i > 0) |
214 |
|
System.out.printf("%n%s: %d%n", toString(), elapsedMillis); |
215 |
|
} |
216 |
|
} |
217 |
|
|
218 |
|
/** |
219 |
< |
* Runs all JSR166 unit tests using junit.textui.TestRunner |
219 |
> |
* Runs all JSR166 unit tests using junit.textui.TestRunner. |
220 |
|
*/ |
221 |
|
public static void main(String[] args) { |
222 |
+ |
main(suite(), args); |
223 |
+ |
} |
224 |
+ |
|
225 |
+ |
/** |
226 |
+ |
* Runs all unit tests in the given test suite. |
227 |
+ |
* Actual behavior influenced by jsr166.* system properties. |
228 |
+ |
*/ |
229 |
+ |
static void main(Test suite, String[] args) { |
230 |
|
if (useSecurityManager) { |
231 |
|
System.err.println("Setting a permissive security manager"); |
232 |
|
Policy.setPolicy(permissivePolicy()); |
233 |
|
System.setSecurityManager(new SecurityManager()); |
234 |
|
} |
235 |
< |
int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]); |
236 |
< |
|
237 |
< |
Test s = suite(); |
238 |
< |
for (int i = 0; i < iters; ++i) { |
157 |
< |
junit.textui.TestRunner.run(s); |
235 |
> |
for (int i = 0; i < suiteRuns; i++) { |
236 |
> |
TestResult result = junit.textui.TestRunner.run(suite); |
237 |
> |
if (!result.wasSuccessful()) |
238 |
> |
System.exit(1); |
239 |
|
System.gc(); |
240 |
|
System.runFinalization(); |
241 |
|
} |
161 |
– |
System.exit(0); |
242 |
|
} |
243 |
|
|
244 |
|
public static TestSuite newTestSuite(Object... suiteOrClasses) { |
254 |
|
return suite; |
255 |
|
} |
256 |
|
|
257 |
+ |
public static void addNamedTestClasses(TestSuite suite, |
258 |
+ |
String... testClassNames) { |
259 |
+ |
for (String testClassName : testClassNames) { |
260 |
+ |
try { |
261 |
+ |
Class<?> testClass = Class.forName(testClassName); |
262 |
+ |
Method m = testClass.getDeclaredMethod("suite", |
263 |
+ |
new Class<?>[0]); |
264 |
+ |
suite.addTest(newTestSuite((Test)m.invoke(null))); |
265 |
+ |
} catch (Exception e) { |
266 |
+ |
throw new Error("Missing test class", e); |
267 |
+ |
} |
268 |
+ |
} |
269 |
+ |
} |
270 |
+ |
|
271 |
+ |
public static final double JAVA_CLASS_VERSION; |
272 |
+ |
public static final String JAVA_SPECIFICATION_VERSION; |
273 |
+ |
static { |
274 |
+ |
try { |
275 |
+ |
JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged( |
276 |
+ |
new java.security.PrivilegedAction<Double>() { |
277 |
+ |
public Double run() { |
278 |
+ |
return Double.valueOf(System.getProperty("java.class.version"));}}); |
279 |
+ |
JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged( |
280 |
+ |
new java.security.PrivilegedAction<String>() { |
281 |
+ |
public String run() { |
282 |
+ |
return System.getProperty("java.specification.version");}}); |
283 |
+ |
} catch (Throwable t) { |
284 |
+ |
throw new Error(t); |
285 |
+ |
} |
286 |
+ |
} |
287 |
+ |
|
288 |
+ |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
289 |
+ |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
290 |
+ |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
291 |
+ |
public static boolean atLeastJava9() { |
292 |
+ |
return JAVA_CLASS_VERSION >= 53.0 |
293 |
+ |
// As of 2015-09, java9 still uses 52.0 class file version |
294 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
295 |
+ |
} |
296 |
+ |
public static boolean atLeastJava10() { |
297 |
+ |
return JAVA_CLASS_VERSION >= 54.0 |
298 |
+ |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
299 |
+ |
} |
300 |
+ |
|
301 |
|
/** |
302 |
|
* Collects all JSR166 unit tests as one suite. |
303 |
|
*/ |
304 |
|
public static Test suite() { |
305 |
< |
return newTestSuite( |
305 |
> |
// Java7+ test classes |
306 |
> |
TestSuite suite = newTestSuite( |
307 |
|
ForkJoinPoolTest.suite(), |
308 |
|
ForkJoinTaskTest.suite(), |
309 |
|
RecursiveActionTest.suite(), |
368 |
|
TreeSetTest.suite(), |
369 |
|
TreeSubMapTest.suite(), |
370 |
|
TreeSubSetTest.suite()); |
371 |
+ |
|
372 |
+ |
// Java8+ test classes |
373 |
+ |
if (atLeastJava8()) { |
374 |
+ |
String[] java8TestClassNames = { |
375 |
+ |
"Atomic8Test", |
376 |
+ |
"CompletableFutureTest", |
377 |
+ |
"ConcurrentHashMap8Test", |
378 |
+ |
"CountedCompleterTest", |
379 |
+ |
"DoubleAccumulatorTest", |
380 |
+ |
"DoubleAdderTest", |
381 |
+ |
"ForkJoinPool8Test", |
382 |
+ |
"ForkJoinTask8Test", |
383 |
+ |
"LongAccumulatorTest", |
384 |
+ |
"LongAdderTest", |
385 |
+ |
"SplittableRandomTest", |
386 |
+ |
"StampedLockTest", |
387 |
+ |
"SubmissionPublisherTest", |
388 |
+ |
"ThreadLocalRandom8Test", |
389 |
+ |
}; |
390 |
+ |
addNamedTestClasses(suite, java8TestClassNames); |
391 |
+ |
} |
392 |
+ |
|
393 |
+ |
// Java9+ test classes |
394 |
+ |
if (atLeastJava9()) { |
395 |
+ |
String[] java9TestClassNames = { |
396 |
+ |
// Currently empty, but expecting varhandle tests |
397 |
+ |
}; |
398 |
+ |
addNamedTestClasses(suite, java9TestClassNames); |
399 |
+ |
} |
400 |
+ |
|
401 |
+ |
return suite; |
402 |
+ |
} |
403 |
+ |
|
404 |
+ |
/** Returns list of junit-style test method names in given class. */ |
405 |
+ |
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
406 |
+ |
Method[] methods = testClass.getDeclaredMethods(); |
407 |
+ |
ArrayList<String> names = new ArrayList<String>(methods.length); |
408 |
+ |
for (Method method : methods) { |
409 |
+ |
if (method.getName().startsWith("test") |
410 |
+ |
&& Modifier.isPublic(method.getModifiers()) |
411 |
+ |
// method.getParameterCount() requires jdk8+ |
412 |
+ |
&& method.getParameterTypes().length == 0) { |
413 |
+ |
names.add(method.getName()); |
414 |
+ |
} |
415 |
+ |
} |
416 |
+ |
return names; |
417 |
+ |
} |
418 |
+ |
|
419 |
+ |
/** |
420 |
+ |
* Returns junit-style testSuite for the given test class, but |
421 |
+ |
* parameterized by passing extra data to each test. |
422 |
+ |
*/ |
423 |
+ |
public static <ExtraData> Test parameterizedTestSuite |
424 |
+ |
(Class<? extends JSR166TestCase> testClass, |
425 |
+ |
Class<ExtraData> dataClass, |
426 |
+ |
ExtraData data) { |
427 |
+ |
try { |
428 |
+ |
TestSuite suite = new TestSuite(); |
429 |
+ |
Constructor c = |
430 |
+ |
testClass.getDeclaredConstructor(dataClass, String.class); |
431 |
+ |
for (String methodName : testMethodNames(testClass)) |
432 |
+ |
suite.addTest((Test) c.newInstance(data, methodName)); |
433 |
+ |
return suite; |
434 |
+ |
} catch (Exception e) { |
435 |
+ |
throw new Error(e); |
436 |
+ |
} |
437 |
+ |
} |
438 |
+ |
|
439 |
+ |
/** |
440 |
+ |
* Returns junit-style testSuite for the jdk8 extension of the |
441 |
+ |
* given test class, but parameterized by passing extra data to |
442 |
+ |
* each test. Uses reflection to allow compilation in jdk7. |
443 |
+ |
*/ |
444 |
+ |
public static <ExtraData> Test jdk8ParameterizedTestSuite |
445 |
+ |
(Class<? extends JSR166TestCase> testClass, |
446 |
+ |
Class<ExtraData> dataClass, |
447 |
+ |
ExtraData data) { |
448 |
+ |
if (atLeastJava8()) { |
449 |
+ |
String name = testClass.getName(); |
450 |
+ |
String name8 = name.replaceAll("Test$", "8Test"); |
451 |
+ |
if (name.equals(name8)) throw new Error(name); |
452 |
+ |
try { |
453 |
+ |
return (Test) |
454 |
+ |
Class.forName(name8) |
455 |
+ |
.getMethod("testSuite", new Class[] { dataClass }) |
456 |
+ |
.invoke(null, data); |
457 |
+ |
} catch (Exception e) { |
458 |
+ |
throw new Error(e); |
459 |
+ |
} |
460 |
+ |
} else { |
461 |
+ |
return new TestSuite(); |
462 |
+ |
} |
463 |
+ |
|
464 |
|
} |
465 |
|
|
466 |
+ |
// Delays for timing-dependent tests, in milliseconds. |
467 |
|
|
468 |
|
public static long SHORT_DELAY_MS; |
469 |
|
public static long SMALL_DELAY_MS; |
470 |
|
public static long MEDIUM_DELAY_MS; |
471 |
|
public static long LONG_DELAY_MS; |
472 |
|
|
254 |
– |
|
473 |
|
/** |
474 |
|
* Returns the shortest timed delay. This could |
475 |
|
* be reimplemented to use for example a Property. |
478 |
|
return 50; |
479 |
|
} |
480 |
|
|
263 |
– |
|
481 |
|
/** |
482 |
|
* Sets delays as multiples of SHORT_DELAY. |
483 |
|
*/ |
497 |
|
} |
498 |
|
|
499 |
|
/** |
500 |
< |
* Returns a new Date instance representing a time delayMillis |
501 |
< |
* milliseconds in the future. |
500 |
> |
* Returns a new Date instance representing a time at least |
501 |
> |
* delayMillis milliseconds in the future. |
502 |
|
*/ |
503 |
|
Date delayedDate(long delayMillis) { |
504 |
< |
return new Date(new Date().getTime() + delayMillis); |
504 |
> |
// Add 1 because currentTimeMillis is known to round into the past. |
505 |
> |
return new Date(System.currentTimeMillis() + delayMillis + 1); |
506 |
|
} |
507 |
|
|
508 |
|
/** |
525 |
|
setDelays(); |
526 |
|
} |
527 |
|
|
528 |
+ |
void tearDownFail(String format, Object... args) { |
529 |
+ |
String msg = toString() + ": " + String.format(format, args); |
530 |
+ |
System.err.println(msg); |
531 |
+ |
printAllStackTraces(); |
532 |
+ |
throw new AssertionFailedError(msg); |
533 |
+ |
} |
534 |
+ |
|
535 |
|
/** |
536 |
+ |
* Extra checks that get done for all test cases. |
537 |
+ |
* |
538 |
|
* Triggers test case failure if any thread assertions have failed, |
539 |
|
* by rethrowing, in the test harness thread, any exception recorded |
540 |
|
* earlier by threadRecordFailure. |
541 |
+ |
* |
542 |
+ |
* Triggers test case failure if interrupt status is set in the main thread. |
543 |
|
*/ |
544 |
|
public void tearDown() throws Exception { |
545 |
|
Throwable t = threadFailure.getAndSet(null); |
557 |
|
throw afe; |
558 |
|
} |
559 |
|
} |
560 |
+ |
|
561 |
+ |
if (Thread.interrupted()) |
562 |
+ |
tearDownFail("interrupt status set in main thread"); |
563 |
+ |
|
564 |
+ |
checkForkJoinPoolThreadLeaks(); |
565 |
+ |
} |
566 |
+ |
|
567 |
+ |
/** |
568 |
+ |
* Finds missing try { ... } finally { joinPool(e); } |
569 |
+ |
*/ |
570 |
+ |
void checkForkJoinPoolThreadLeaks() throws InterruptedException { |
571 |
+ |
Thread[] survivors = new Thread[7]; |
572 |
+ |
int count = Thread.enumerate(survivors); |
573 |
+ |
for (int i = 0; i < count; i++) { |
574 |
+ |
Thread thread = survivors[i]; |
575 |
+ |
String name = thread.getName(); |
576 |
+ |
if (name.startsWith("ForkJoinPool-")) { |
577 |
+ |
// give thread some time to terminate |
578 |
+ |
thread.join(LONG_DELAY_MS); |
579 |
+ |
if (thread.isAlive()) |
580 |
+ |
tearDownFail("Found leaked ForkJoinPool thread thread=%s", |
581 |
+ |
thread); |
582 |
+ |
} |
583 |
+ |
} |
584 |
+ |
|
585 |
+ |
if (!ForkJoinPool.commonPool() |
586 |
+ |
.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS)) |
587 |
+ |
tearDownFail("ForkJoin common pool thread stuck"); |
588 |
|
} |
589 |
|
|
590 |
|
/** |
665 |
|
public void threadAssertEquals(Object x, Object y) { |
666 |
|
try { |
667 |
|
assertEquals(x, y); |
668 |
< |
} catch (AssertionFailedError t) { |
669 |
< |
threadRecordFailure(t); |
670 |
< |
throw t; |
671 |
< |
} catch (Throwable t) { |
672 |
< |
threadUnexpectedException(t); |
668 |
> |
} catch (AssertionFailedError fail) { |
669 |
> |
threadRecordFailure(fail); |
670 |
> |
throw fail; |
671 |
> |
} catch (Throwable fail) { |
672 |
> |
threadUnexpectedException(fail); |
673 |
|
} |
674 |
|
} |
675 |
|
|
681 |
|
public void threadAssertSame(Object x, Object y) { |
682 |
|
try { |
683 |
|
assertSame(x, y); |
684 |
< |
} catch (AssertionFailedError t) { |
685 |
< |
threadRecordFailure(t); |
686 |
< |
throw t; |
684 |
> |
} catch (AssertionFailedError fail) { |
685 |
> |
threadRecordFailure(fail); |
686 |
> |
throw fail; |
687 |
|
} |
688 |
|
} |
689 |
|
|
743 |
|
} |
744 |
|
|
745 |
|
/** |
746 |
+ |
* Allows use of try-with-resources with per-test thread pools. |
747 |
+ |
*/ |
748 |
+ |
static class PoolCloser<T extends ExecutorService> |
749 |
+ |
implements AutoCloseable { |
750 |
+ |
public final T pool; |
751 |
+ |
public PoolCloser(T pool) { this.pool = pool; } |
752 |
+ |
public void close() { joinPool(pool); } |
753 |
+ |
} |
754 |
+ |
|
755 |
+ |
/** |
756 |
|
* Waits out termination of a thread pool or fails doing so. |
757 |
|
*/ |
758 |
< |
void joinPool(ExecutorService exec) { |
758 |
> |
static void joinPool(ExecutorService pool) { |
759 |
|
try { |
760 |
< |
exec.shutdown(); |
761 |
< |
assertTrue("ExecutorService did not terminate in a timely manner", |
762 |
< |
exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)); |
760 |
> |
pool.shutdown(); |
761 |
> |
if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) |
762 |
> |
fail("ExecutorService " + pool + |
763 |
> |
" did not terminate in a timely manner"); |
764 |
|
} catch (SecurityException ok) { |
765 |
|
// Allowed in case test doesn't have privs |
766 |
< |
} catch (InterruptedException ie) { |
766 |
> |
} catch (InterruptedException fail) { |
767 |
|
fail("Unexpected InterruptedException"); |
768 |
|
} |
769 |
|
} |
770 |
|
|
771 |
+ |
/** Like Runnable, but with the freedom to throw anything */ |
772 |
+ |
interface Action { public void run() throws Throwable; } |
773 |
+ |
|
774 |
+ |
/** |
775 |
+ |
* Runs all the given actions in parallel, failing if any fail. |
776 |
+ |
* Useful for running multiple variants of tests that are |
777 |
+ |
* necessarily individually slow because they must block. |
778 |
+ |
*/ |
779 |
+ |
void testInParallel(Action ... actions) { |
780 |
+ |
ExecutorService pool = Executors.newCachedThreadPool(); |
781 |
+ |
try { |
782 |
+ |
ArrayList<Future<?>> futures = new ArrayList<>(actions.length); |
783 |
+ |
for (final Action action : actions) |
784 |
+ |
futures.add(pool.submit(new CheckedRunnable() { |
785 |
+ |
public void realRun() throws Throwable { action.run();}})); |
786 |
+ |
for (Future<?> future : futures) |
787 |
+ |
try { |
788 |
+ |
assertNull(future.get(LONG_DELAY_MS, MILLISECONDS)); |
789 |
+ |
} catch (ExecutionException ex) { |
790 |
+ |
threadUnexpectedException(ex.getCause()); |
791 |
+ |
} catch (Exception ex) { |
792 |
+ |
threadUnexpectedException(ex); |
793 |
+ |
} |
794 |
+ |
} finally { |
795 |
+ |
joinPool(pool); |
796 |
+ |
} |
797 |
+ |
} |
798 |
+ |
|
799 |
+ |
/** |
800 |
+ |
* A debugging tool to print all stack traces, as jstack does. |
801 |
+ |
*/ |
802 |
+ |
static void printAllStackTraces() { |
803 |
+ |
for (ThreadInfo info : |
804 |
+ |
ManagementFactory.getThreadMXBean() |
805 |
+ |
.dumpAllThreads(true, true)) |
806 |
+ |
System.err.print(info); |
807 |
+ |
} |
808 |
+ |
|
809 |
|
/** |
810 |
|
* Checks that thread does not terminate within the default |
811 |
|
* millisecond delay of {@code timeoutMillis()}. |
822 |
|
// No need to optimize the failing case via Thread.join. |
823 |
|
delay(millis); |
824 |
|
assertTrue(thread.isAlive()); |
825 |
< |
} catch (InterruptedException ie) { |
825 |
> |
} catch (InterruptedException fail) { |
826 |
|
fail("Unexpected InterruptedException"); |
827 |
|
} |
828 |
|
} |
829 |
|
|
830 |
|
/** |
831 |
+ |
* Checks that the threads do not terminate within the default |
832 |
+ |
* millisecond delay of {@code timeoutMillis()}. |
833 |
+ |
*/ |
834 |
+ |
void assertThreadsStayAlive(Thread... threads) { |
835 |
+ |
assertThreadsStayAlive(timeoutMillis(), threads); |
836 |
+ |
} |
837 |
+ |
|
838 |
+ |
/** |
839 |
+ |
* Checks that the threads do not terminate within the given millisecond delay. |
840 |
+ |
*/ |
841 |
+ |
void assertThreadsStayAlive(long millis, Thread... threads) { |
842 |
+ |
try { |
843 |
+ |
// No need to optimize the failing case via Thread.join. |
844 |
+ |
delay(millis); |
845 |
+ |
for (Thread thread : threads) |
846 |
+ |
assertTrue(thread.isAlive()); |
847 |
+ |
} catch (InterruptedException fail) { |
848 |
+ |
fail("Unexpected InterruptedException"); |
849 |
+ |
} |
850 |
+ |
} |
851 |
+ |
|
852 |
+ |
/** |
853 |
+ |
* Checks that future.get times out, with the default timeout of |
854 |
+ |
* {@code timeoutMillis()}. |
855 |
+ |
*/ |
856 |
+ |
void assertFutureTimesOut(Future future) { |
857 |
+ |
assertFutureTimesOut(future, timeoutMillis()); |
858 |
+ |
} |
859 |
+ |
|
860 |
+ |
/** |
861 |
+ |
* Checks that future.get times out, with the given millisecond timeout. |
862 |
+ |
*/ |
863 |
+ |
void assertFutureTimesOut(Future future, long timeoutMillis) { |
864 |
+ |
long startTime = System.nanoTime(); |
865 |
+ |
try { |
866 |
+ |
future.get(timeoutMillis, MILLISECONDS); |
867 |
+ |
shouldThrow(); |
868 |
+ |
} catch (TimeoutException success) { |
869 |
+ |
} catch (Exception fail) { |
870 |
+ |
threadUnexpectedException(fail); |
871 |
+ |
} finally { future.cancel(true); } |
872 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
873 |
+ |
} |
874 |
+ |
|
875 |
+ |
/** |
876 |
|
* Fails with message "should throw exception". |
877 |
|
*/ |
878 |
|
public void shouldThrow() { |
911 |
|
public static final Integer m6 = new Integer(-6); |
912 |
|
public static final Integer m10 = new Integer(-10); |
913 |
|
|
563 |
– |
|
914 |
|
/** |
915 |
|
* Runs Runnable r with a security policy that permits precisely |
916 |
|
* the specified permissions. If there is no current security |
922 |
|
SecurityManager sm = System.getSecurityManager(); |
923 |
|
if (sm == null) { |
924 |
|
r.run(); |
925 |
+ |
} |
926 |
+ |
runWithSecurityManagerWithPermissions(r, permissions); |
927 |
+ |
} |
928 |
+ |
|
929 |
+ |
/** |
930 |
+ |
* Runs Runnable r with a security policy that permits precisely |
931 |
+ |
* the specified permissions. If there is no current security |
932 |
+ |
* manager, a temporary one is set for the duration of the |
933 |
+ |
* Runnable. We require that any security manager permit |
934 |
+ |
* getPolicy/setPolicy. |
935 |
+ |
*/ |
936 |
+ |
public void runWithSecurityManagerWithPermissions(Runnable r, |
937 |
+ |
Permission... permissions) { |
938 |
+ |
SecurityManager sm = System.getSecurityManager(); |
939 |
+ |
if (sm == null) { |
940 |
|
Policy savedPolicy = Policy.getPolicy(); |
941 |
|
try { |
942 |
|
Policy.setPolicy(permissivePolicy()); |
943 |
|
System.setSecurityManager(new SecurityManager()); |
944 |
< |
runWithPermissions(r, permissions); |
944 |
> |
runWithSecurityManagerWithPermissions(r, permissions); |
945 |
|
} finally { |
946 |
|
System.setSecurityManager(null); |
947 |
|
Policy.setPolicy(savedPolicy); |
989 |
|
return perms.implies(p); |
990 |
|
} |
991 |
|
public void refresh() {} |
992 |
+ |
public String toString() { |
993 |
+ |
List<Permission> ps = new ArrayList<Permission>(); |
994 |
+ |
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
995 |
+ |
ps.add(e.nextElement()); |
996 |
+ |
return "AdjustablePolicy with permissions " + ps; |
997 |
+ |
} |
998 |
|
} |
999 |
|
|
1000 |
|
/** |
1023 |
|
void sleep(long millis) { |
1024 |
|
try { |
1025 |
|
delay(millis); |
1026 |
< |
} catch (InterruptedException ie) { |
1026 |
> |
} catch (InterruptedException fail) { |
1027 |
|
AssertionFailedError afe = |
1028 |
|
new AssertionFailedError("Unexpected InterruptedException"); |
1029 |
< |
afe.initCause(ie); |
1029 |
> |
afe.initCause(fail); |
1030 |
|
throw afe; |
1031 |
|
} |
1032 |
|
} |
1033 |
|
|
1034 |
|
/** |
1035 |
< |
* Waits up to the specified number of milliseconds for the given |
1035 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1036 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1037 |
|
*/ |
1038 |
|
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1039 |
< |
long timeoutNanos = timeoutMillis * 1000L * 1000L; |
669 |
< |
long t0 = System.nanoTime(); |
1039 |
> |
long startTime = System.nanoTime(); |
1040 |
|
for (;;) { |
1041 |
|
Thread.State s = thread.getState(); |
1042 |
|
if (s == Thread.State.BLOCKED || |
1045 |
|
return; |
1046 |
|
else if (s == Thread.State.TERMINATED) |
1047 |
|
fail("Unexpected thread termination"); |
1048 |
< |
else if (System.nanoTime() - t0 > timeoutNanos) { |
1048 |
> |
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1049 |
|
threadAssertTrue(thread.isAlive()); |
1050 |
|
return; |
1051 |
|
} |
1064 |
|
/** |
1065 |
|
* Returns the number of milliseconds since time given by |
1066 |
|
* startNanoTime, which must have been previously returned from a |
1067 |
< |
* call to {@link System.nanoTime()}. |
1067 |
> |
* call to {@link System#nanoTime()}. |
1068 |
|
*/ |
1069 |
< |
long millisElapsedSince(long startNanoTime) { |
1069 |
> |
static long millisElapsedSince(long startNanoTime) { |
1070 |
|
return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime); |
1071 |
|
} |
1072 |
|
|
1073 |
+ |
// void assertTerminatesPromptly(long timeoutMillis, Runnable r) { |
1074 |
+ |
// long startTime = System.nanoTime(); |
1075 |
+ |
// try { |
1076 |
+ |
// r.run(); |
1077 |
+ |
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1078 |
+ |
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1079 |
+ |
// throw new AssertionFailedError("did not return promptly"); |
1080 |
+ |
// } |
1081 |
+ |
|
1082 |
+ |
// void assertTerminatesPromptly(Runnable r) { |
1083 |
+ |
// assertTerminatesPromptly(LONG_DELAY_MS/2, r); |
1084 |
+ |
// } |
1085 |
+ |
|
1086 |
+ |
/** |
1087 |
+ |
* Checks that timed f.get() returns the expected value, and does not |
1088 |
+ |
* wait for the timeout to elapse before returning. |
1089 |
+ |
*/ |
1090 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1091 |
+ |
long startTime = System.nanoTime(); |
1092 |
+ |
try { |
1093 |
+ |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1094 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1095 |
+ |
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1096 |
+ |
throw new AssertionFailedError("timed get did not return promptly"); |
1097 |
+ |
} |
1098 |
+ |
|
1099 |
+ |
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1100 |
+ |
checkTimedGet(f, expectedValue, LONG_DELAY_MS); |
1101 |
+ |
} |
1102 |
+ |
|
1103 |
|
/** |
1104 |
|
* Returns a new started daemon Thread running the given runnable. |
1105 |
|
*/ |
1118 |
|
void awaitTermination(Thread t, long timeoutMillis) { |
1119 |
|
try { |
1120 |
|
t.join(timeoutMillis); |
1121 |
< |
} catch (InterruptedException ie) { |
1122 |
< |
threadUnexpectedException(ie); |
1121 |
> |
} catch (InterruptedException fail) { |
1122 |
> |
threadUnexpectedException(fail); |
1123 |
|
} finally { |
1124 |
< |
if (t.isAlive()) { |
1124 |
> |
if (t.getState() != Thread.State.TERMINATED) { |
1125 |
|
t.interrupt(); |
1126 |
|
fail("Test timed out"); |
1127 |
|
} |
1145 |
|
public final void run() { |
1146 |
|
try { |
1147 |
|
realRun(); |
1148 |
< |
} catch (Throwable t) { |
1149 |
< |
threadUnexpectedException(t); |
1148 |
> |
} catch (Throwable fail) { |
1149 |
> |
threadUnexpectedException(fail); |
1150 |
|
} |
1151 |
|
} |
1152 |
|
} |
1200 |
|
threadShouldThrow("InterruptedException"); |
1201 |
|
} catch (InterruptedException success) { |
1202 |
|
threadAssertFalse(Thread.interrupted()); |
1203 |
< |
} catch (Throwable t) { |
1204 |
< |
threadUnexpectedException(t); |
1203 |
> |
} catch (Throwable fail) { |
1204 |
> |
threadUnexpectedException(fail); |
1205 |
|
} |
1206 |
|
} |
1207 |
|
} |
1212 |
|
public final T call() { |
1213 |
|
try { |
1214 |
|
return realCall(); |
1215 |
< |
} catch (Throwable t) { |
1216 |
< |
threadUnexpectedException(t); |
1215 |
> |
} catch (Throwable fail) { |
1216 |
> |
threadUnexpectedException(fail); |
1217 |
|
return null; |
1218 |
|
} |
1219 |
|
} |
1230 |
|
return result; |
1231 |
|
} catch (InterruptedException success) { |
1232 |
|
threadAssertFalse(Thread.interrupted()); |
1233 |
< |
} catch (Throwable t) { |
1234 |
< |
threadUnexpectedException(t); |
1233 |
> |
} catch (Throwable fail) { |
1234 |
> |
threadUnexpectedException(fail); |
1235 |
|
} |
1236 |
|
return null; |
1237 |
|
} |
1248 |
|
public static final String TEST_STRING = "a test string"; |
1249 |
|
|
1250 |
|
public static class StringTask implements Callable<String> { |
1251 |
< |
public String call() { return TEST_STRING; } |
1251 |
> |
final String value; |
1252 |
> |
public StringTask() { this(TEST_STRING); } |
1253 |
> |
public StringTask(String value) { this.value = value; } |
1254 |
> |
public String call() { return value; } |
1255 |
|
} |
1256 |
|
|
1257 |
|
public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) { |
1264 |
|
}}; |
1265 |
|
} |
1266 |
|
|
1267 |
+ |
public Runnable countDowner(final CountDownLatch latch) { |
1268 |
+ |
return new CheckedRunnable() { |
1269 |
+ |
public void realRun() throws InterruptedException { |
1270 |
+ |
latch.countDown(); |
1271 |
+ |
}}; |
1272 |
+ |
} |
1273 |
+ |
|
1274 |
|
public Runnable awaiter(final CountDownLatch latch) { |
1275 |
|
return new CheckedRunnable() { |
1276 |
|
public void realRun() throws InterruptedException { |
1281 |
|
public void await(CountDownLatch latch) { |
1282 |
|
try { |
1283 |
|
assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS)); |
1284 |
< |
} catch (Throwable t) { |
1285 |
< |
threadUnexpectedException(t); |
1284 |
> |
} catch (Throwable fail) { |
1285 |
> |
threadUnexpectedException(fail); |
1286 |
> |
} |
1287 |
> |
} |
1288 |
> |
|
1289 |
> |
public void await(Semaphore semaphore) { |
1290 |
> |
try { |
1291 |
> |
assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)); |
1292 |
> |
} catch (Throwable fail) { |
1293 |
> |
threadUnexpectedException(fail); |
1294 |
|
} |
1295 |
|
} |
1296 |
|
|
1481 |
|
public abstract class CheckedRecursiveAction extends RecursiveAction { |
1482 |
|
protected abstract void realCompute() throws Throwable; |
1483 |
|
|
1484 |
< |
public final void compute() { |
1484 |
> |
@Override protected final void compute() { |
1485 |
|
try { |
1486 |
|
realCompute(); |
1487 |
< |
} catch (Throwable t) { |
1488 |
< |
threadUnexpectedException(t); |
1487 |
> |
} catch (Throwable fail) { |
1488 |
> |
threadUnexpectedException(fail); |
1489 |
|
} |
1490 |
|
} |
1491 |
|
} |
1496 |
|
public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> { |
1497 |
|
protected abstract T realCompute() throws Throwable; |
1498 |
|
|
1499 |
< |
public final T compute() { |
1499 |
> |
@Override protected final T compute() { |
1500 |
|
try { |
1501 |
|
return realCompute(); |
1502 |
< |
} catch (Throwable t) { |
1503 |
< |
threadUnexpectedException(t); |
1502 |
> |
} catch (Throwable fail) { |
1503 |
> |
threadUnexpectedException(fail); |
1504 |
|
return null; |
1505 |
|
} |
1506 |
|
} |
1515 |
|
} |
1516 |
|
|
1517 |
|
/** |
1518 |
< |
* A CyclicBarrier that fails with AssertionFailedErrors instead |
1519 |
< |
* of throwing checked exceptions. |
1518 |
> |
* A CyclicBarrier that uses timed await and fails with |
1519 |
> |
* AssertionFailedErrors instead of throwing checked exceptions. |
1520 |
|
*/ |
1521 |
|
public class CheckedBarrier extends CyclicBarrier { |
1522 |
|
public CheckedBarrier(int parties) { super(parties); } |
1523 |
|
|
1524 |
|
public int await() { |
1525 |
|
try { |
1526 |
< |
return super.await(); |
1527 |
< |
} catch (Exception e) { |
1526 |
> |
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1527 |
> |
} catch (TimeoutException timedOut) { |
1528 |
> |
throw new AssertionFailedError("timed out"); |
1529 |
> |
} catch (Exception fail) { |
1530 |
|
AssertionFailedError afe = |
1531 |
< |
new AssertionFailedError("Unexpected exception: " + e); |
1532 |
< |
afe.initCause(e); |
1531 |
> |
new AssertionFailedError("Unexpected exception: " + fail); |
1532 |
> |
afe.initCause(fail); |
1533 |
|
throw afe; |
1534 |
|
} |
1535 |
|
} |
1557 |
|
q.remove(); |
1558 |
|
shouldThrow(); |
1559 |
|
} catch (NoSuchElementException success) {} |
1560 |
< |
} catch (InterruptedException ie) { |
1141 |
< |
threadUnexpectedException(ie); |
1142 |
< |
} |
1560 |
> |
} catch (InterruptedException fail) { threadUnexpectedException(fail); } |
1561 |
|
} |
1562 |
|
|
1563 |
< |
@SuppressWarnings("unchecked") |
1564 |
< |
<T> T serialClone(T o) { |
1563 |
> |
void assertSerialEquals(Object x, Object y) { |
1564 |
> |
assertTrue(Arrays.equals(serialBytes(x), serialBytes(y))); |
1565 |
> |
} |
1566 |
> |
|
1567 |
> |
void assertNotSerialEquals(Object x, Object y) { |
1568 |
> |
assertFalse(Arrays.equals(serialBytes(x), serialBytes(y))); |
1569 |
> |
} |
1570 |
> |
|
1571 |
> |
byte[] serialBytes(Object o) { |
1572 |
|
try { |
1573 |
|
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1574 |
|
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1575 |
|
oos.writeObject(o); |
1576 |
|
oos.flush(); |
1577 |
|
oos.close(); |
1578 |
< |
ByteArrayInputStream bin = |
1579 |
< |
new ByteArrayInputStream(bos.toByteArray()); |
1580 |
< |
ObjectInputStream ois = new ObjectInputStream(bin); |
1581 |
< |
return (T) ois.readObject(); |
1582 |
< |
} catch (Throwable t) { |
1583 |
< |
threadUnexpectedException(t); |
1578 |
> |
return bos.toByteArray(); |
1579 |
> |
} catch (Throwable fail) { |
1580 |
> |
threadUnexpectedException(fail); |
1581 |
> |
return new byte[0]; |
1582 |
> |
} |
1583 |
> |
} |
1584 |
> |
|
1585 |
> |
@SuppressWarnings("unchecked") |
1586 |
> |
<T> T serialClone(T o) { |
1587 |
> |
try { |
1588 |
> |
ObjectInputStream ois = new ObjectInputStream |
1589 |
> |
(new ByteArrayInputStream(serialBytes(o))); |
1590 |
> |
T clone = (T) ois.readObject(); |
1591 |
> |
assertSame(o.getClass(), clone.getClass()); |
1592 |
> |
return clone; |
1593 |
> |
} catch (Throwable fail) { |
1594 |
> |
threadUnexpectedException(fail); |
1595 |
|
return null; |
1596 |
|
} |
1597 |
|
} |
1598 |
+ |
|
1599 |
+ |
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1600 |
+ |
Runnable... throwingActions) { |
1601 |
+ |
for (Runnable throwingAction : throwingActions) { |
1602 |
+ |
boolean threw = false; |
1603 |
+ |
try { throwingAction.run(); } |
1604 |
+ |
catch (Throwable t) { |
1605 |
+ |
threw = true; |
1606 |
+ |
if (!expectedExceptionClass.isInstance(t)) { |
1607 |
+ |
AssertionFailedError afe = |
1608 |
+ |
new AssertionFailedError |
1609 |
+ |
("Expected " + expectedExceptionClass.getName() + |
1610 |
+ |
", got " + t.getClass().getName()); |
1611 |
+ |
afe.initCause(t); |
1612 |
+ |
threadUnexpectedException(afe); |
1613 |
+ |
} |
1614 |
+ |
} |
1615 |
+ |
if (!threw) |
1616 |
+ |
shouldThrow(expectedExceptionClass.getName()); |
1617 |
+ |
} |
1618 |
+ |
} |
1619 |
+ |
|
1620 |
+ |
public void assertIteratorExhausted(Iterator<?> it) { |
1621 |
+ |
try { |
1622 |
+ |
it.next(); |
1623 |
+ |
shouldThrow(); |
1624 |
+ |
} catch (NoSuchElementException success) {} |
1625 |
+ |
assertFalse(it.hasNext()); |
1626 |
+ |
} |
1627 |
|
} |