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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 |
2 |
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* Written by Doug Lea and Martin Buchholz with assistance from |
3 |
> |
* members of JCP JSR-166 Expert Group and released to the public |
4 |
> |
* domain, as explained at |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
10 |
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/* |
11 |
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* @test |
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* @summary JSR-166 tck tests, in a number of variations. |
13 |
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* The first is the conformance testing variant, |
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* while others also test implementation details. |
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* @build * |
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* @modules java.management |
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* @run junit/othervm/timeout=1000 JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000 |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
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* -Djsr166.testImplementationDetails=true |
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* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 |
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* -Djava.util.secureRandomSeed=true |
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* JSR166TestCase |
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* @run junit/othervm/timeout=1000/policy=tck.policy |
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* --add-opens java.base/java.util.concurrent=ALL-UNNAMED |
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* --add-opens java.base/java.lang=ALL-UNNAMED |
39 |
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* -Djsr166.testImplementationDetails=true |
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* JSR166TestCase |
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*/ |
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|
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
44 |
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import static java.util.concurrent.TimeUnit.MINUTES; |
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import static java.util.concurrent.TimeUnit.NANOSECONDS; |
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import java.lang.reflect.Constructor; |
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import java.lang.reflect.Method; |
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import java.lang.reflect.Modifier; |
23 |
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import java.nio.file.Files; |
24 |
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import java.nio.file.Paths; |
57 |
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import java.security.CodeSource; |
58 |
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import java.security.Permission; |
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import java.security.PermissionCollection; |
63 |
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import java.security.SecurityPermission; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
66 |
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import java.util.Collection; |
67 |
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import java.util.Collections; |
68 |
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import java.util.Date; |
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import java.util.Deque; |
70 |
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import java.util.Enumeration; |
71 |
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import java.util.HashSet; |
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import java.util.Iterator; |
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import java.util.List; |
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import java.util.NoSuchElementException; |
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import java.util.PropertyPermission; |
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import java.util.Set; |
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import java.util.concurrent.BlockingQueue; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.CyclicBarrier; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executor; |
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import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.Future; |
87 |
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import java.util.concurrent.FutureTask; |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.Semaphore; |
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import java.util.concurrent.ScheduledExecutorService; |
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import java.util.concurrent.ScheduledFuture; |
95 |
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import java.util.concurrent.SynchronousQueue; |
96 |
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import java.util.concurrent.ThreadFactory; |
97 |
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import java.util.concurrent.ThreadLocalRandom; |
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import java.util.concurrent.ThreadPoolExecutor; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.atomic.AtomicBoolean; |
102 |
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import java.util.concurrent.atomic.AtomicReference; |
57 |
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import java.util.regex.Matcher; |
103 |
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import java.util.regex.Pattern; |
104 |
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|
60 |
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import junit.framework.AssertionFailedError; |
105 |
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import junit.framework.Test; |
106 |
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import junit.framework.TestCase; |
107 |
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import junit.framework.TestResult; |
117 |
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* |
118 |
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* <ol> |
119 |
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* |
120 |
< |
* <li>All assertions in code running in generated threads must use |
121 |
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* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link |
122 |
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* #threadAssertEquals}, or {@link #threadAssertNull}, (not |
123 |
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* {@code fail}, {@code assertTrue}, etc.) It is OK (but not |
124 |
< |
* particularly recommended) for other code to use these forms too. |
125 |
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* Only the most typically used JUnit assertion methods are defined |
126 |
< |
* this way, but enough to live with. |
120 |
> |
* <li>All code not running in the main test thread (manually spawned threads |
121 |
> |
* or the common fork join pool) must be checked for failure (and completion!). |
122 |
> |
* Mechanisms that can be used to ensure this are: |
123 |
> |
* <ol> |
124 |
> |
* <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch |
125 |
> |
* that the task completed normally, which is checked before returning from |
126 |
> |
* the test method in the main thread. |
127 |
> |
* <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue}, |
128 |
> |
* or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.) |
129 |
> |
* Only the most typically used JUnit assertion methods are defined |
130 |
> |
* this way, but enough to live with. |
131 |
> |
* <li>Recording failure explicitly using {@link #threadUnexpectedException} |
132 |
> |
* or {@link #threadRecordFailure}. |
133 |
> |
* <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above. |
134 |
> |
* </ol> |
135 |
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* |
136 |
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* <li>If you override {@link #setUp} or {@link #tearDown}, make sure |
137 |
|
* to invoke {@code super.setUp} and {@code super.tearDown} within |
228 |
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Integer.getInteger("jsr166.suiteRuns", 1); |
229 |
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|
230 |
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/** |
231 |
< |
* The scaling factor to apply to standard delays used in tests. |
231 |
> |
* Returns the value of the system property, or NaN if not defined. |
232 |
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*/ |
233 |
< |
private static final int delayFactor = |
234 |
< |
Integer.getInteger("jsr166.delay.factor", 1); |
233 |
> |
private static float systemPropertyValue(String name) { |
234 |
> |
String floatString = System.getProperty(name); |
235 |
> |
if (floatString == null) |
236 |
> |
return Float.NaN; |
237 |
> |
try { |
238 |
> |
return Float.parseFloat(floatString); |
239 |
> |
} catch (NumberFormatException ex) { |
240 |
> |
throw new IllegalArgumentException( |
241 |
> |
String.format("Bad float value in system property %s=%s", |
242 |
> |
name, floatString)); |
243 |
> |
} |
244 |
> |
} |
245 |
> |
|
246 |
> |
/** |
247 |
> |
* The scaling factor to apply to standard delays used in tests. |
248 |
> |
* May be initialized from any of: |
249 |
> |
* - the "jsr166.delay.factor" system property |
250 |
> |
* - the "test.timeout.factor" system property (as used by jtreg) |
251 |
> |
* See: http://openjdk.java.net/jtreg/tag-spec.html |
252 |
> |
* - hard-coded fuzz factor when using a known slowpoke VM |
253 |
> |
*/ |
254 |
> |
private static final float delayFactor = delayFactor(); |
255 |
> |
|
256 |
> |
private static float delayFactor() { |
257 |
> |
float x; |
258 |
> |
if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor"))) |
259 |
> |
return x; |
260 |
> |
if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor"))) |
261 |
> |
return x; |
262 |
> |
String prop = System.getProperty("java.vm.version"); |
263 |
> |
if (prop != null && prop.matches(".*debug.*")) |
264 |
> |
return 4.0f; // How much slower is fastdebug than product?! |
265 |
> |
return 1.0f; |
266 |
> |
} |
267 |
|
|
268 |
|
public JSR166TestCase() { super(); } |
269 |
|
public JSR166TestCase(String name) { super(name); } |
316 |
|
|
317 |
|
// public static String cpuModel() { |
318 |
|
// try { |
319 |
< |
// Matcher matcher = Pattern.compile("model name\\s*: (.*)") |
319 |
> |
// java.util.regex.Matcher matcher |
320 |
> |
// = Pattern.compile("model name\\s*: (.*)") |
321 |
|
// .matcher(new String( |
322 |
< |
// Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8")); |
322 |
> |
// java.nio.file.Files.readAllBytes( |
323 |
> |
// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8")); |
324 |
|
// matcher.find(); |
325 |
|
// return matcher.group(1); |
326 |
|
// } catch (Exception ex) { return null; } |
429 |
|
for (String testClassName : testClassNames) { |
430 |
|
try { |
431 |
|
Class<?> testClass = Class.forName(testClassName); |
432 |
< |
Method m = testClass.getDeclaredMethod("suite", |
347 |
< |
new Class<?>[0]); |
432 |
> |
Method m = testClass.getDeclaredMethod("suite"); |
433 |
|
suite.addTest(newTestSuite((Test)m.invoke(null))); |
434 |
< |
} catch (Exception e) { |
435 |
< |
throw new Error("Missing test class", e); |
434 |
> |
} catch (ReflectiveOperationException e) { |
435 |
> |
throw new AssertionError("Missing test class", e); |
436 |
|
} |
437 |
|
} |
438 |
|
} |
454 |
|
} |
455 |
|
} |
456 |
|
|
457 |
< |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
458 |
< |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
459 |
< |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
460 |
< |
public static boolean atLeastJava9() { |
461 |
< |
return JAVA_CLASS_VERSION >= 53.0 |
462 |
< |
// As of 2015-09, java9 still uses 52.0 class file version |
378 |
< |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$"); |
379 |
< |
} |
380 |
< |
public static boolean atLeastJava10() { |
381 |
< |
return JAVA_CLASS_VERSION >= 54.0 |
382 |
< |
|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$"); |
383 |
< |
} |
457 |
> |
public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; } |
458 |
> |
public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; } |
459 |
> |
public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; } |
460 |
> |
public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; } |
461 |
> |
public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; } |
462 |
> |
public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; } |
463 |
|
|
464 |
|
/** |
465 |
|
* Collects all JSR166 unit tests as one suite. |
480 |
|
AbstractQueuedLongSynchronizerTest.suite(), |
481 |
|
ArrayBlockingQueueTest.suite(), |
482 |
|
ArrayDequeTest.suite(), |
483 |
+ |
ArrayListTest.suite(), |
484 |
|
AtomicBooleanTest.suite(), |
485 |
|
AtomicIntegerArrayTest.suite(), |
486 |
|
AtomicIntegerFieldUpdaterTest.suite(), |
503 |
|
CopyOnWriteArrayListTest.suite(), |
504 |
|
CopyOnWriteArraySetTest.suite(), |
505 |
|
CountDownLatchTest.suite(), |
506 |
+ |
CountedCompleterTest.suite(), |
507 |
|
CyclicBarrierTest.suite(), |
508 |
|
DelayQueueTest.suite(), |
509 |
|
EntryTest.suite(), |
532 |
|
TreeMapTest.suite(), |
533 |
|
TreeSetTest.suite(), |
534 |
|
TreeSubMapTest.suite(), |
535 |
< |
TreeSubSetTest.suite()); |
535 |
> |
TreeSubSetTest.suite(), |
536 |
> |
VectorTest.suite()); |
537 |
|
|
538 |
|
// Java8+ test classes |
539 |
|
if (atLeastJava8()) { |
540 |
|
String[] java8TestClassNames = { |
541 |
+ |
"ArrayDeque8Test", |
542 |
|
"Atomic8Test", |
543 |
|
"CompletableFutureTest", |
544 |
|
"ConcurrentHashMap8Test", |
545 |
< |
"CountedCompleterTest", |
545 |
> |
"CountedCompleter8Test", |
546 |
|
"DoubleAccumulatorTest", |
547 |
|
"DoubleAdderTest", |
548 |
|
"ForkJoinPool8Test", |
549 |
|
"ForkJoinTask8Test", |
550 |
+ |
"HashMapTest", |
551 |
+ |
"LinkedBlockingDeque8Test", |
552 |
+ |
"LinkedBlockingQueue8Test", |
553 |
|
"LongAccumulatorTest", |
554 |
|
"LongAdderTest", |
555 |
|
"SplittableRandomTest", |
556 |
|
"StampedLockTest", |
557 |
|
"SubmissionPublisherTest", |
558 |
|
"ThreadLocalRandom8Test", |
559 |
+ |
"TimeUnit8Test", |
560 |
|
}; |
561 |
|
addNamedTestClasses(suite, java8TestClassNames); |
562 |
|
} |
564 |
|
// Java9+ test classes |
565 |
|
if (atLeastJava9()) { |
566 |
|
String[] java9TestClassNames = { |
567 |
< |
// Currently empty, but expecting varhandle tests |
567 |
> |
"AtomicBoolean9Test", |
568 |
> |
"AtomicInteger9Test", |
569 |
> |
"AtomicIntegerArray9Test", |
570 |
> |
"AtomicLong9Test", |
571 |
> |
"AtomicLongArray9Test", |
572 |
> |
"AtomicReference9Test", |
573 |
> |
"AtomicReferenceArray9Test", |
574 |
> |
"ExecutorCompletionService9Test", |
575 |
> |
"ForkJoinPool9Test", |
576 |
|
}; |
577 |
|
addNamedTestClasses(suite, java9TestClassNames); |
578 |
|
} |
583 |
|
/** Returns list of junit-style test method names in given class. */ |
584 |
|
public static ArrayList<String> testMethodNames(Class<?> testClass) { |
585 |
|
Method[] methods = testClass.getDeclaredMethods(); |
586 |
< |
ArrayList<String> names = new ArrayList<String>(methods.length); |
586 |
> |
ArrayList<String> names = new ArrayList<>(methods.length); |
587 |
|
for (Method method : methods) { |
588 |
|
if (method.getName().startsWith("test") |
589 |
|
&& Modifier.isPublic(method.getModifiers()) |
610 |
|
for (String methodName : testMethodNames(testClass)) |
611 |
|
suite.addTest((Test) c.newInstance(data, methodName)); |
612 |
|
return suite; |
613 |
< |
} catch (Exception e) { |
614 |
< |
throw new Error(e); |
613 |
> |
} catch (ReflectiveOperationException e) { |
614 |
> |
throw new AssertionError(e); |
615 |
|
} |
616 |
|
} |
617 |
|
|
627 |
|
if (atLeastJava8()) { |
628 |
|
String name = testClass.getName(); |
629 |
|
String name8 = name.replaceAll("Test$", "8Test"); |
630 |
< |
if (name.equals(name8)) throw new Error(name); |
630 |
> |
if (name.equals(name8)) throw new AssertionError(name); |
631 |
|
try { |
632 |
|
return (Test) |
633 |
|
Class.forName(name8) |
634 |
< |
.getMethod("testSuite", new Class[] { dataClass }) |
634 |
> |
.getMethod("testSuite", dataClass) |
635 |
|
.invoke(null, data); |
636 |
< |
} catch (Exception e) { |
637 |
< |
throw new Error(e); |
636 |
> |
} catch (ReflectiveOperationException e) { |
637 |
> |
throw new AssertionError(e); |
638 |
|
} |
639 |
|
} else { |
640 |
|
return new TestSuite(); |
648 |
|
public static long MEDIUM_DELAY_MS; |
649 |
|
public static long LONG_DELAY_MS; |
650 |
|
|
651 |
+ |
private static final long RANDOM_TIMEOUT; |
652 |
+ |
private static final long RANDOM_EXPIRED_TIMEOUT; |
653 |
+ |
private static final TimeUnit RANDOM_TIMEUNIT; |
654 |
+ |
static { |
655 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
656 |
+ |
long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE }; |
657 |
+ |
RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)]; |
658 |
+ |
RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)]; |
659 |
+ |
TimeUnit[] timeUnits = TimeUnit.values(); |
660 |
+ |
RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)]; |
661 |
+ |
} |
662 |
+ |
|
663 |
+ |
/** |
664 |
+ |
* Returns a timeout for use when any value at all will do. |
665 |
+ |
*/ |
666 |
+ |
static long randomTimeout() { return RANDOM_TIMEOUT; } |
667 |
+ |
|
668 |
+ |
/** |
669 |
+ |
* Returns a timeout that means "no waiting", i.e. not positive. |
670 |
+ |
*/ |
671 |
+ |
static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; } |
672 |
+ |
|
673 |
+ |
/** |
674 |
+ |
* Returns a random non-null TimeUnit. |
675 |
+ |
*/ |
676 |
+ |
static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; } |
677 |
+ |
|
678 |
|
/** |
679 |
|
* Returns the shortest timed delay. This can be scaled up for |
680 |
< |
* slow machines using the jsr166.delay.factor system property. |
680 |
> |
* slow machines using the jsr166.delay.factor system property, |
681 |
> |
* or via jtreg's -timeoutFactor: flag. |
682 |
> |
* http://openjdk.java.net/jtreg/command-help.html |
683 |
|
*/ |
684 |
|
protected long getShortDelay() { |
685 |
< |
return 50 * delayFactor; |
685 |
> |
return (long) (50 * delayFactor); |
686 |
|
} |
687 |
|
|
688 |
|
/** |
695 |
|
LONG_DELAY_MS = SHORT_DELAY_MS * 200; |
696 |
|
} |
697 |
|
|
698 |
+ |
private static final long TIMEOUT_DELAY_MS |
699 |
+ |
= (long) (12.0 * Math.cbrt(delayFactor)); |
700 |
+ |
|
701 |
|
/** |
702 |
< |
* Returns a timeout in milliseconds to be used in tests that |
703 |
< |
* verify that operations block or time out. |
702 |
> |
* Returns a timeout in milliseconds to be used in tests that verify |
703 |
> |
* that operations block or time out. We want this to be longer |
704 |
> |
* than the OS scheduling quantum, but not too long, so don't scale |
705 |
> |
* linearly with delayFactor; we use "crazy" cube root instead. |
706 |
|
*/ |
707 |
< |
long timeoutMillis() { |
708 |
< |
return SHORT_DELAY_MS / 4; |
707 |
> |
static long timeoutMillis() { |
708 |
> |
return TIMEOUT_DELAY_MS; |
709 |
|
} |
710 |
|
|
711 |
|
/** |
721 |
|
* The first exception encountered if any threadAssertXXX method fails. |
722 |
|
*/ |
723 |
|
private final AtomicReference<Throwable> threadFailure |
724 |
< |
= new AtomicReference<Throwable>(null); |
724 |
> |
= new AtomicReference<>(null); |
725 |
|
|
726 |
|
/** |
727 |
|
* Records an exception so that it can be rethrown later in the test |
743 |
|
String msg = toString() + ": " + String.format(format, args); |
744 |
|
System.err.println(msg); |
745 |
|
dumpTestThreads(); |
746 |
< |
throw new AssertionFailedError(msg); |
746 |
> |
throw new AssertionError(msg); |
747 |
|
} |
748 |
|
|
749 |
|
/** |
764 |
|
throw (RuntimeException) t; |
765 |
|
else if (t instanceof Exception) |
766 |
|
throw (Exception) t; |
767 |
< |
else { |
768 |
< |
AssertionFailedError afe = |
640 |
< |
new AssertionFailedError(t.toString()); |
641 |
< |
afe.initCause(t); |
642 |
< |
throw afe; |
643 |
< |
} |
767 |
> |
else |
768 |
> |
throw new AssertionError(t.toString(), t); |
769 |
|
} |
770 |
|
|
771 |
|
if (Thread.interrupted()) |
799 |
|
|
800 |
|
/** |
801 |
|
* Just like fail(reason), but additionally recording (using |
802 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
803 |
< |
* the current testcase will fail. |
802 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
803 |
> |
* current testcase will fail. |
804 |
|
*/ |
805 |
|
public void threadFail(String reason) { |
806 |
|
try { |
807 |
|
fail(reason); |
808 |
< |
} catch (AssertionFailedError t) { |
809 |
< |
threadRecordFailure(t); |
810 |
< |
throw t; |
808 |
> |
} catch (AssertionError fail) { |
809 |
> |
threadRecordFailure(fail); |
810 |
> |
throw fail; |
811 |
|
} |
812 |
|
} |
813 |
|
|
814 |
|
/** |
815 |
|
* Just like assertTrue(b), but additionally recording (using |
816 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
817 |
< |
* the current testcase will fail. |
816 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
817 |
> |
* current testcase will fail. |
818 |
|
*/ |
819 |
|
public void threadAssertTrue(boolean b) { |
820 |
|
try { |
821 |
|
assertTrue(b); |
822 |
< |
} catch (AssertionFailedError t) { |
823 |
< |
threadRecordFailure(t); |
824 |
< |
throw t; |
822 |
> |
} catch (AssertionError fail) { |
823 |
> |
threadRecordFailure(fail); |
824 |
> |
throw fail; |
825 |
|
} |
826 |
|
} |
827 |
|
|
828 |
|
/** |
829 |
|
* Just like assertFalse(b), but additionally recording (using |
830 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
831 |
< |
* the current testcase will fail. |
830 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
831 |
> |
* current testcase will fail. |
832 |
|
*/ |
833 |
|
public void threadAssertFalse(boolean b) { |
834 |
|
try { |
835 |
|
assertFalse(b); |
836 |
< |
} catch (AssertionFailedError t) { |
837 |
< |
threadRecordFailure(t); |
838 |
< |
throw t; |
836 |
> |
} catch (AssertionError fail) { |
837 |
> |
threadRecordFailure(fail); |
838 |
> |
throw fail; |
839 |
|
} |
840 |
|
} |
841 |
|
|
842 |
|
/** |
843 |
|
* Just like assertNull(x), but additionally recording (using |
844 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
845 |
< |
* the current testcase will fail. |
844 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
845 |
> |
* current testcase will fail. |
846 |
|
*/ |
847 |
|
public void threadAssertNull(Object x) { |
848 |
|
try { |
849 |
|
assertNull(x); |
850 |
< |
} catch (AssertionFailedError t) { |
851 |
< |
threadRecordFailure(t); |
852 |
< |
throw t; |
850 |
> |
} catch (AssertionError fail) { |
851 |
> |
threadRecordFailure(fail); |
852 |
> |
throw fail; |
853 |
|
} |
854 |
|
} |
855 |
|
|
856 |
|
/** |
857 |
|
* Just like assertEquals(x, y), but additionally recording (using |
858 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
859 |
< |
* the current testcase will fail. |
858 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
859 |
> |
* current testcase will fail. |
860 |
|
*/ |
861 |
|
public void threadAssertEquals(long x, long y) { |
862 |
|
try { |
863 |
|
assertEquals(x, y); |
864 |
< |
} catch (AssertionFailedError t) { |
865 |
< |
threadRecordFailure(t); |
866 |
< |
throw t; |
864 |
> |
} catch (AssertionError fail) { |
865 |
> |
threadRecordFailure(fail); |
866 |
> |
throw fail; |
867 |
|
} |
868 |
|
} |
869 |
|
|
870 |
|
/** |
871 |
|
* Just like assertEquals(x, y), but additionally recording (using |
872 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
873 |
< |
* the current testcase will fail. |
872 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
873 |
> |
* current testcase will fail. |
874 |
|
*/ |
875 |
|
public void threadAssertEquals(Object x, Object y) { |
876 |
|
try { |
877 |
|
assertEquals(x, y); |
878 |
< |
} catch (AssertionFailedError fail) { |
878 |
> |
} catch (AssertionError fail) { |
879 |
|
threadRecordFailure(fail); |
880 |
|
throw fail; |
881 |
|
} catch (Throwable fail) { |
885 |
|
|
886 |
|
/** |
887 |
|
* Just like assertSame(x, y), but additionally recording (using |
888 |
< |
* threadRecordFailure) any AssertionFailedError thrown, so that |
889 |
< |
* the current testcase will fail. |
888 |
> |
* threadRecordFailure) any AssertionError thrown, so that the |
889 |
> |
* current testcase will fail. |
890 |
|
*/ |
891 |
|
public void threadAssertSame(Object x, Object y) { |
892 |
|
try { |
893 |
|
assertSame(x, y); |
894 |
< |
} catch (AssertionFailedError fail) { |
894 |
> |
} catch (AssertionError fail) { |
895 |
|
threadRecordFailure(fail); |
896 |
|
throw fail; |
897 |
|
} |
913 |
|
|
914 |
|
/** |
915 |
|
* Records the given exception using {@link #threadRecordFailure}, |
916 |
< |
* then rethrows the exception, wrapping it in an |
917 |
< |
* AssertionFailedError if necessary. |
916 |
> |
* then rethrows the exception, wrapping it in an AssertionError |
917 |
> |
* if necessary. |
918 |
|
*/ |
919 |
|
public void threadUnexpectedException(Throwable t) { |
920 |
|
threadRecordFailure(t); |
923 |
|
throw (RuntimeException) t; |
924 |
|
else if (t instanceof Error) |
925 |
|
throw (Error) t; |
926 |
< |
else { |
927 |
< |
AssertionFailedError afe = |
803 |
< |
new AssertionFailedError("unexpected exception: " + t); |
804 |
< |
afe.initCause(t); |
805 |
< |
throw afe; |
806 |
< |
} |
926 |
> |
else |
927 |
> |
throw new AssertionError("unexpected exception: " + t, t); |
928 |
|
} |
929 |
|
|
930 |
|
/** |
992 |
|
}}; |
993 |
|
} |
994 |
|
|
995 |
+ |
PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) { |
996 |
+ |
return new PoolCleanerWithReleaser(pool, releaser(flag)); |
997 |
+ |
} |
998 |
+ |
|
999 |
+ |
Runnable releaser(final AtomicBoolean flag) { |
1000 |
+ |
return new Runnable() { public void run() { flag.set(true); }}; |
1001 |
+ |
} |
1002 |
+ |
|
1003 |
|
/** |
1004 |
|
* Waits out termination of a thread pool or fails doing so. |
1005 |
|
*/ |
1023 |
|
} |
1024 |
|
} |
1025 |
|
|
1026 |
< |
/** Like Runnable, but with the freedom to throw anything */ |
1026 |
> |
/** |
1027 |
> |
* Like Runnable, but with the freedom to throw anything. |
1028 |
> |
* junit folks had the same idea: |
1029 |
> |
* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html |
1030 |
> |
*/ |
1031 |
|
interface Action { public void run() throws Throwable; } |
1032 |
|
|
1033 |
|
/** |
1058 |
|
* Uninteresting threads are filtered out. |
1059 |
|
*/ |
1060 |
|
static void dumpTestThreads() { |
1061 |
+ |
SecurityManager sm = System.getSecurityManager(); |
1062 |
+ |
if (sm != null) { |
1063 |
+ |
try { |
1064 |
+ |
System.setSecurityManager(null); |
1065 |
+ |
} catch (SecurityException giveUp) { |
1066 |
+ |
return; |
1067 |
+ |
} |
1068 |
+ |
} |
1069 |
+ |
|
1070 |
|
ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean(); |
1071 |
|
System.err.println("------ stacktrace dump start ------"); |
1072 |
|
for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) { |
1073 |
< |
String name = info.getThreadName(); |
1073 |
> |
final String name = info.getThreadName(); |
1074 |
> |
String lockName; |
1075 |
|
if ("Signal Dispatcher".equals(name)) |
1076 |
|
continue; |
1077 |
|
if ("Reference Handler".equals(name) |
1078 |
< |
&& info.getLockName().startsWith("java.lang.ref.Reference$Lock")) |
1078 |
> |
&& (lockName = info.getLockName()) != null |
1079 |
> |
&& lockName.startsWith("java.lang.ref.Reference$Lock")) |
1080 |
|
continue; |
1081 |
|
if ("Finalizer".equals(name) |
1082 |
< |
&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1082 |
> |
&& (lockName = info.getLockName()) != null |
1083 |
> |
&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock")) |
1084 |
|
continue; |
1085 |
|
if ("checkForWedgedTest".equals(name)) |
1086 |
|
continue; |
1087 |
|
System.err.print(info); |
1088 |
|
} |
1089 |
|
System.err.println("------ stacktrace dump end ------"); |
945 |
– |
} |
946 |
– |
|
947 |
– |
/** |
948 |
– |
* Checks that thread does not terminate within the default |
949 |
– |
* millisecond delay of {@code timeoutMillis()}. |
950 |
– |
*/ |
951 |
– |
void assertThreadStaysAlive(Thread thread) { |
952 |
– |
assertThreadStaysAlive(thread, timeoutMillis()); |
953 |
– |
} |
954 |
– |
|
955 |
– |
/** |
956 |
– |
* Checks that thread does not terminate within the given millisecond delay. |
957 |
– |
*/ |
958 |
– |
void assertThreadStaysAlive(Thread thread, long millis) { |
959 |
– |
try { |
960 |
– |
// No need to optimize the failing case via Thread.join. |
961 |
– |
delay(millis); |
962 |
– |
assertTrue(thread.isAlive()); |
963 |
– |
} catch (InterruptedException fail) { |
964 |
– |
threadFail("Unexpected InterruptedException"); |
965 |
– |
} |
966 |
– |
} |
1090 |
|
|
1091 |
< |
/** |
969 |
< |
* Checks that the threads do not terminate within the default |
970 |
< |
* millisecond delay of {@code timeoutMillis()}. |
971 |
< |
*/ |
972 |
< |
void assertThreadsStayAlive(Thread... threads) { |
973 |
< |
assertThreadsStayAlive(timeoutMillis(), threads); |
1091 |
> |
if (sm != null) System.setSecurityManager(sm); |
1092 |
|
} |
1093 |
|
|
1094 |
|
/** |
1095 |
< |
* Checks that the threads do not terminate within the given millisecond delay. |
1095 |
> |
* Checks that thread eventually enters the expected blocked thread state. |
1096 |
|
*/ |
1097 |
< |
void assertThreadsStayAlive(long millis, Thread... threads) { |
1098 |
< |
try { |
1099 |
< |
// No need to optimize the failing case via Thread.join. |
1100 |
< |
delay(millis); |
1101 |
< |
for (Thread thread : threads) |
1102 |
< |
assertTrue(thread.isAlive()); |
1103 |
< |
} catch (InterruptedException fail) { |
1104 |
< |
threadFail("Unexpected InterruptedException"); |
1097 |
> |
void assertThreadBlocks(Thread thread, Thread.State expected) { |
1098 |
> |
// always sleep at least 1 ms, with high probability avoiding |
1099 |
> |
// transitory states |
1100 |
> |
for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) { |
1101 |
> |
try { delay(1); } |
1102 |
> |
catch (InterruptedException fail) { |
1103 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1104 |
> |
} |
1105 |
> |
Thread.State s = thread.getState(); |
1106 |
> |
if (s == expected) |
1107 |
> |
return; |
1108 |
> |
else if (s == Thread.State.TERMINATED) |
1109 |
> |
fail("Unexpected thread termination"); |
1110 |
|
} |
1111 |
+ |
fail("timed out waiting for thread to enter thread state " + expected); |
1112 |
|
} |
1113 |
|
|
1114 |
|
/** |
1149 |
|
} |
1150 |
|
|
1151 |
|
/** |
1152 |
+ |
* The maximum number of consecutive spurious wakeups we should |
1153 |
+ |
* tolerate (from APIs like LockSupport.park) before failing a test. |
1154 |
+ |
*/ |
1155 |
+ |
static final int MAX_SPURIOUS_WAKEUPS = 10; |
1156 |
+ |
|
1157 |
+ |
/** |
1158 |
|
* The number of elements to place in collections, arrays, etc. |
1159 |
|
*/ |
1160 |
|
public static final int SIZE = 20; |
1258 |
|
} |
1259 |
|
public void refresh() {} |
1260 |
|
public String toString() { |
1261 |
< |
List<Permission> ps = new ArrayList<Permission>(); |
1261 |
> |
List<Permission> ps = new ArrayList<>(); |
1262 |
|
for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();) |
1263 |
|
ps.add(e.nextElement()); |
1264 |
|
return "AdjustablePolicy with permissions " + ps; |
1286 |
|
|
1287 |
|
/** |
1288 |
|
* Sleeps until the given time has elapsed. |
1289 |
< |
* Throws AssertionFailedError if interrupted. |
1289 |
> |
* Throws AssertionError if interrupted. |
1290 |
|
*/ |
1291 |
< |
void sleep(long millis) { |
1291 |
> |
static void sleep(long millis) { |
1292 |
|
try { |
1293 |
|
delay(millis); |
1294 |
|
} catch (InterruptedException fail) { |
1295 |
< |
AssertionFailedError afe = |
1166 |
< |
new AssertionFailedError("Unexpected InterruptedException"); |
1167 |
< |
afe.initCause(fail); |
1168 |
< |
throw afe; |
1295 |
> |
throw new AssertionError("Unexpected InterruptedException", fail); |
1296 |
|
} |
1297 |
|
} |
1298 |
|
|
1299 |
|
/** |
1300 |
|
* Spin-waits up to the specified number of milliseconds for the given |
1301 |
|
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1302 |
+ |
* @param waitingForGodot if non-null, an additional condition to satisfy |
1303 |
|
*/ |
1304 |
< |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1305 |
< |
long startTime = System.nanoTime(); |
1306 |
< |
for (;;) { |
1307 |
< |
Thread.State s = thread.getState(); |
1308 |
< |
if (s == Thread.State.BLOCKED || |
1309 |
< |
s == Thread.State.WAITING || |
1310 |
< |
s == Thread.State.TIMED_WAITING) |
1311 |
< |
return; |
1312 |
< |
else if (s == Thread.State.TERMINATED) |
1304 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis, |
1305 |
> |
Callable<Boolean> waitingForGodot) { |
1306 |
> |
for (long startTime = 0L;;) { |
1307 |
> |
switch (thread.getState()) { |
1308 |
> |
case BLOCKED: case WAITING: case TIMED_WAITING: |
1309 |
> |
try { |
1310 |
> |
if (waitingForGodot == null || waitingForGodot.call()) |
1311 |
> |
return; |
1312 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1313 |
> |
break; |
1314 |
> |
case TERMINATED: |
1315 |
|
fail("Unexpected thread termination"); |
1316 |
+ |
} |
1317 |
+ |
|
1318 |
+ |
if (startTime == 0L) |
1319 |
+ |
startTime = System.nanoTime(); |
1320 |
|
else if (millisElapsedSince(startTime) > timeoutMillis) { |
1321 |
< |
threadAssertTrue(thread.isAlive()); |
1322 |
< |
return; |
1321 |
> |
assertTrue(thread.isAlive()); |
1322 |
> |
if (waitingForGodot == null |
1323 |
> |
|| thread.getState() == Thread.State.RUNNABLE) |
1324 |
> |
fail("timed out waiting for thread to enter wait state"); |
1325 |
> |
else |
1326 |
> |
fail("timed out waiting for condition, thread state=" |
1327 |
> |
+ thread.getState()); |
1328 |
|
} |
1329 |
|
Thread.yield(); |
1330 |
|
} |
1331 |
|
} |
1332 |
|
|
1333 |
|
/** |
1334 |
< |
* Waits up to LONG_DELAY_MS for the given thread to enter a wait |
1335 |
< |
* state: BLOCKED, WAITING, or TIMED_WAITING. |
1334 |
> |
* Spin-waits up to the specified number of milliseconds for the given |
1335 |
> |
* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1336 |
> |
*/ |
1337 |
> |
void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) { |
1338 |
> |
waitForThreadToEnterWaitState(thread, timeoutMillis, null); |
1339 |
> |
} |
1340 |
> |
|
1341 |
> |
/** |
1342 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1343 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING. |
1344 |
|
*/ |
1345 |
|
void waitForThreadToEnterWaitState(Thread thread) { |
1346 |
< |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS); |
1346 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null); |
1347 |
> |
} |
1348 |
> |
|
1349 |
> |
/** |
1350 |
> |
* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to |
1351 |
> |
* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING, |
1352 |
> |
* and additionally satisfy the given condition. |
1353 |
> |
*/ |
1354 |
> |
void waitForThreadToEnterWaitState(Thread thread, |
1355 |
> |
Callable<Boolean> waitingForGodot) { |
1356 |
> |
waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot); |
1357 |
|
} |
1358 |
|
|
1359 |
|
/** |
1371 |
|
// r.run(); |
1372 |
|
// } catch (Throwable fail) { threadUnexpectedException(fail); } |
1373 |
|
// if (millisElapsedSince(startTime) > timeoutMillis/2) |
1374 |
< |
// throw new AssertionFailedError("did not return promptly"); |
1374 |
> |
// throw new AssertionError("did not return promptly"); |
1375 |
|
// } |
1376 |
|
|
1377 |
|
// void assertTerminatesPromptly(Runnable r) { |
1384 |
|
*/ |
1385 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) { |
1386 |
|
long startTime = System.nanoTime(); |
1387 |
+ |
T actual = null; |
1388 |
|
try { |
1389 |
< |
assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS)); |
1389 |
> |
actual = f.get(timeoutMillis, MILLISECONDS); |
1390 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
1391 |
+ |
assertEquals(expectedValue, actual); |
1392 |
|
if (millisElapsedSince(startTime) > timeoutMillis/2) |
1393 |
< |
throw new AssertionFailedError("timed get did not return promptly"); |
1393 |
> |
throw new AssertionError("timed get did not return promptly"); |
1394 |
|
} |
1395 |
|
|
1396 |
|
<T> void checkTimedGet(Future<T> f, T expectedValue) { |
1448 |
|
} |
1449 |
|
} |
1450 |
|
|
1292 |
– |
public abstract class RunnableShouldThrow implements Runnable { |
1293 |
– |
protected abstract void realRun() throws Throwable; |
1294 |
– |
|
1295 |
– |
final Class<?> exceptionClass; |
1296 |
– |
|
1297 |
– |
<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) { |
1298 |
– |
this.exceptionClass = exceptionClass; |
1299 |
– |
} |
1300 |
– |
|
1301 |
– |
public final void run() { |
1302 |
– |
try { |
1303 |
– |
realRun(); |
1304 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1305 |
– |
} catch (Throwable t) { |
1306 |
– |
if (! exceptionClass.isInstance(t)) |
1307 |
– |
threadUnexpectedException(t); |
1308 |
– |
} |
1309 |
– |
} |
1310 |
– |
} |
1311 |
– |
|
1451 |
|
public abstract class ThreadShouldThrow extends Thread { |
1452 |
|
protected abstract void realRun() throws Throwable; |
1453 |
|
|
1460 |
|
public final void run() { |
1461 |
|
try { |
1462 |
|
realRun(); |
1324 |
– |
threadShouldThrow(exceptionClass.getSimpleName()); |
1463 |
|
} catch (Throwable t) { |
1464 |
|
if (! exceptionClass.isInstance(t)) |
1465 |
|
threadUnexpectedException(t); |
1466 |
+ |
return; |
1467 |
|
} |
1468 |
+ |
threadShouldThrow(exceptionClass.getSimpleName()); |
1469 |
|
} |
1470 |
|
} |
1471 |
|
|
1475 |
|
public final void run() { |
1476 |
|
try { |
1477 |
|
realRun(); |
1338 |
– |
threadShouldThrow("InterruptedException"); |
1478 |
|
} catch (InterruptedException success) { |
1479 |
|
threadAssertFalse(Thread.interrupted()); |
1480 |
+ |
return; |
1481 |
|
} catch (Throwable fail) { |
1482 |
|
threadUnexpectedException(fail); |
1483 |
|
} |
1484 |
+ |
threadShouldThrow("InterruptedException"); |
1485 |
|
} |
1486 |
|
} |
1487 |
|
|
1493 |
|
return realCall(); |
1494 |
|
} catch (Throwable fail) { |
1495 |
|
threadUnexpectedException(fail); |
1355 |
– |
return null; |
1356 |
– |
} |
1357 |
– |
} |
1358 |
– |
} |
1359 |
– |
|
1360 |
– |
public abstract class CheckedInterruptedCallable<T> |
1361 |
– |
implements Callable<T> { |
1362 |
– |
protected abstract T realCall() throws Throwable; |
1363 |
– |
|
1364 |
– |
public final T call() { |
1365 |
– |
try { |
1366 |
– |
T result = realCall(); |
1367 |
– |
threadShouldThrow("InterruptedException"); |
1368 |
– |
return result; |
1369 |
– |
} catch (InterruptedException success) { |
1370 |
– |
threadAssertFalse(Thread.interrupted()); |
1371 |
– |
} catch (Throwable fail) { |
1372 |
– |
threadUnexpectedException(fail); |
1496 |
|
} |
1497 |
< |
return null; |
1497 |
> |
throw new AssertionError("unreached"); |
1498 |
|
} |
1499 |
|
} |
1500 |
|
|
1550 |
|
return new LatchAwaiter(latch); |
1551 |
|
} |
1552 |
|
|
1553 |
< |
public void await(CountDownLatch latch) { |
1553 |
> |
public void await(CountDownLatch latch, long timeoutMillis) { |
1554 |
> |
boolean timedOut = false; |
1555 |
|
try { |
1556 |
< |
if (!latch.await(LONG_DELAY_MS, MILLISECONDS)) |
1433 |
< |
fail("timed out waiting for CountDownLatch for " |
1434 |
< |
+ (LONG_DELAY_MS/1000) + " sec"); |
1556 |
> |
timedOut = !latch.await(timeoutMillis, MILLISECONDS); |
1557 |
|
} catch (Throwable fail) { |
1558 |
|
threadUnexpectedException(fail); |
1559 |
|
} |
1560 |
+ |
if (timedOut) |
1561 |
+ |
fail("timed out waiting for CountDownLatch for " |
1562 |
+ |
+ (timeoutMillis/1000) + " sec"); |
1563 |
+ |
} |
1564 |
+ |
|
1565 |
+ |
public void await(CountDownLatch latch) { |
1566 |
+ |
await(latch, LONG_DELAY_MS); |
1567 |
|
} |
1568 |
|
|
1569 |
|
public void await(Semaphore semaphore) { |
1570 |
+ |
boolean timedOut = false; |
1571 |
|
try { |
1572 |
< |
if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS)) |
1573 |
< |
fail("timed out waiting for Semaphore for " |
1574 |
< |
+ (LONG_DELAY_MS/1000) + " sec"); |
1572 |
> |
timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS); |
1573 |
> |
} catch (Throwable fail) { |
1574 |
> |
threadUnexpectedException(fail); |
1575 |
> |
} |
1576 |
> |
if (timedOut) |
1577 |
> |
fail("timed out waiting for Semaphore for " |
1578 |
> |
+ (LONG_DELAY_MS/1000) + " sec"); |
1579 |
> |
} |
1580 |
> |
|
1581 |
> |
public void await(CyclicBarrier barrier) { |
1582 |
> |
try { |
1583 |
> |
barrier.await(LONG_DELAY_MS, MILLISECONDS); |
1584 |
|
} catch (Throwable fail) { |
1585 |
|
threadUnexpectedException(fail); |
1586 |
|
} |
1600 |
|
// long startTime = System.nanoTime(); |
1601 |
|
// while (!flag.get()) { |
1602 |
|
// if (millisElapsedSince(startTime) > timeoutMillis) |
1603 |
< |
// throw new AssertionFailedError("timed out"); |
1603 |
> |
// throw new AssertionError("timed out"); |
1604 |
|
// Thread.yield(); |
1605 |
|
// } |
1606 |
|
// } |
1609 |
|
public String call() { throw new NullPointerException(); } |
1610 |
|
} |
1611 |
|
|
1473 |
– |
public static class CallableOne implements Callable<Integer> { |
1474 |
– |
public Integer call() { return one; } |
1475 |
– |
} |
1476 |
– |
|
1477 |
– |
public class ShortRunnable extends CheckedRunnable { |
1478 |
– |
protected void realRun() throws Throwable { |
1479 |
– |
delay(SHORT_DELAY_MS); |
1480 |
– |
} |
1481 |
– |
} |
1482 |
– |
|
1483 |
– |
public class ShortInterruptedRunnable extends CheckedInterruptedRunnable { |
1484 |
– |
protected void realRun() throws InterruptedException { |
1485 |
– |
delay(SHORT_DELAY_MS); |
1486 |
– |
} |
1487 |
– |
} |
1488 |
– |
|
1489 |
– |
public class SmallRunnable extends CheckedRunnable { |
1490 |
– |
protected void realRun() throws Throwable { |
1491 |
– |
delay(SMALL_DELAY_MS); |
1492 |
– |
} |
1493 |
– |
} |
1494 |
– |
|
1612 |
|
public class SmallPossiblyInterruptedRunnable extends CheckedRunnable { |
1613 |
|
protected void realRun() { |
1614 |
|
try { |
1617 |
|
} |
1618 |
|
} |
1619 |
|
|
1503 |
– |
public class SmallCallable extends CheckedCallable { |
1504 |
– |
protected Object realCall() throws InterruptedException { |
1505 |
– |
delay(SMALL_DELAY_MS); |
1506 |
– |
return Boolean.TRUE; |
1507 |
– |
} |
1508 |
– |
} |
1509 |
– |
|
1510 |
– |
public class MediumRunnable extends CheckedRunnable { |
1511 |
– |
protected void realRun() throws Throwable { |
1512 |
– |
delay(MEDIUM_DELAY_MS); |
1513 |
– |
} |
1514 |
– |
} |
1515 |
– |
|
1516 |
– |
public class MediumInterruptedRunnable extends CheckedInterruptedRunnable { |
1517 |
– |
protected void realRun() throws InterruptedException { |
1518 |
– |
delay(MEDIUM_DELAY_MS); |
1519 |
– |
} |
1520 |
– |
} |
1521 |
– |
|
1620 |
|
public Runnable possiblyInterruptedRunnable(final long timeoutMillis) { |
1621 |
|
return new CheckedRunnable() { |
1622 |
|
protected void realRun() { |
1626 |
|
}}; |
1627 |
|
} |
1628 |
|
|
1531 |
– |
public class MediumPossiblyInterruptedRunnable extends CheckedRunnable { |
1532 |
– |
protected void realRun() { |
1533 |
– |
try { |
1534 |
– |
delay(MEDIUM_DELAY_MS); |
1535 |
– |
} catch (InterruptedException ok) {} |
1536 |
– |
} |
1537 |
– |
} |
1538 |
– |
|
1539 |
– |
public class LongPossiblyInterruptedRunnable extends CheckedRunnable { |
1540 |
– |
protected void realRun() { |
1541 |
– |
try { |
1542 |
– |
delay(LONG_DELAY_MS); |
1543 |
– |
} catch (InterruptedException ok) {} |
1544 |
– |
} |
1545 |
– |
} |
1546 |
– |
|
1629 |
|
/** |
1630 |
|
* For use as ThreadFactory in constructors |
1631 |
|
*/ |
1639 |
|
boolean isDone(); |
1640 |
|
} |
1641 |
|
|
1560 |
– |
public static TrackedRunnable trackedRunnable(final long timeoutMillis) { |
1561 |
– |
return new TrackedRunnable() { |
1562 |
– |
private volatile boolean done = false; |
1563 |
– |
public boolean isDone() { return done; } |
1564 |
– |
public void run() { |
1565 |
– |
try { |
1566 |
– |
delay(timeoutMillis); |
1567 |
– |
done = true; |
1568 |
– |
} catch (InterruptedException ok) {} |
1569 |
– |
} |
1570 |
– |
}; |
1571 |
– |
} |
1572 |
– |
|
1573 |
– |
public static class TrackedShortRunnable implements Runnable { |
1574 |
– |
public volatile boolean done = false; |
1575 |
– |
public void run() { |
1576 |
– |
try { |
1577 |
– |
delay(SHORT_DELAY_MS); |
1578 |
– |
done = true; |
1579 |
– |
} catch (InterruptedException ok) {} |
1580 |
– |
} |
1581 |
– |
} |
1582 |
– |
|
1583 |
– |
public static class TrackedSmallRunnable implements Runnable { |
1584 |
– |
public volatile boolean done = false; |
1585 |
– |
public void run() { |
1586 |
– |
try { |
1587 |
– |
delay(SMALL_DELAY_MS); |
1588 |
– |
done = true; |
1589 |
– |
} catch (InterruptedException ok) {} |
1590 |
– |
} |
1591 |
– |
} |
1592 |
– |
|
1593 |
– |
public static class TrackedMediumRunnable implements Runnable { |
1594 |
– |
public volatile boolean done = false; |
1595 |
– |
public void run() { |
1596 |
– |
try { |
1597 |
– |
delay(MEDIUM_DELAY_MS); |
1598 |
– |
done = true; |
1599 |
– |
} catch (InterruptedException ok) {} |
1600 |
– |
} |
1601 |
– |
} |
1602 |
– |
|
1603 |
– |
public static class TrackedLongRunnable implements Runnable { |
1604 |
– |
public volatile boolean done = false; |
1605 |
– |
public void run() { |
1606 |
– |
try { |
1607 |
– |
delay(LONG_DELAY_MS); |
1608 |
– |
done = true; |
1609 |
– |
} catch (InterruptedException ok) {} |
1610 |
– |
} |
1611 |
– |
} |
1612 |
– |
|
1642 |
|
public static class TrackedNoOpRunnable implements Runnable { |
1643 |
|
public volatile boolean done = false; |
1644 |
|
public void run() { |
1646 |
|
} |
1647 |
|
} |
1648 |
|
|
1620 |
– |
public static class TrackedCallable implements Callable { |
1621 |
– |
public volatile boolean done = false; |
1622 |
– |
public Object call() { |
1623 |
– |
try { |
1624 |
– |
delay(SMALL_DELAY_MS); |
1625 |
– |
done = true; |
1626 |
– |
} catch (InterruptedException ok) {} |
1627 |
– |
return Boolean.TRUE; |
1628 |
– |
} |
1629 |
– |
} |
1630 |
– |
|
1649 |
|
/** |
1650 |
|
* Analog of CheckedRunnable for RecursiveAction |
1651 |
|
*/ |
1672 |
|
return realCompute(); |
1673 |
|
} catch (Throwable fail) { |
1674 |
|
threadUnexpectedException(fail); |
1657 |
– |
return null; |
1675 |
|
} |
1676 |
+ |
throw new AssertionError("unreached"); |
1677 |
|
} |
1678 |
|
} |
1679 |
|
|
1687 |
|
|
1688 |
|
/** |
1689 |
|
* A CyclicBarrier that uses timed await and fails with |
1690 |
< |
* AssertionFailedErrors instead of throwing checked exceptions. |
1690 |
> |
* AssertionErrors instead of throwing checked exceptions. |
1691 |
|
*/ |
1692 |
< |
public class CheckedBarrier extends CyclicBarrier { |
1692 |
> |
public static class CheckedBarrier extends CyclicBarrier { |
1693 |
|
public CheckedBarrier(int parties) { super(parties); } |
1694 |
|
|
1695 |
|
public int await() { |
1696 |
|
try { |
1697 |
|
return super.await(2 * LONG_DELAY_MS, MILLISECONDS); |
1698 |
|
} catch (TimeoutException timedOut) { |
1699 |
< |
throw new AssertionFailedError("timed out"); |
1699 |
> |
throw new AssertionError("timed out"); |
1700 |
|
} catch (Exception fail) { |
1701 |
< |
AssertionFailedError afe = |
1684 |
< |
new AssertionFailedError("Unexpected exception: " + fail); |
1685 |
< |
afe.initCause(fail); |
1686 |
< |
throw afe; |
1701 |
> |
throw new AssertionError("Unexpected exception: " + fail, fail); |
1702 |
|
} |
1703 |
|
} |
1704 |
|
} |
1709 |
|
assertEquals(0, q.size()); |
1710 |
|
assertNull(q.peek()); |
1711 |
|
assertNull(q.poll()); |
1712 |
< |
assertNull(q.poll(0, MILLISECONDS)); |
1712 |
> |
assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit())); |
1713 |
|
assertEquals(q.toString(), "[]"); |
1714 |
|
assertTrue(Arrays.equals(q.toArray(), new Object[0])); |
1715 |
|
assertFalse(q.iterator().hasNext()); |
1750 |
|
} |
1751 |
|
} |
1752 |
|
|
1753 |
+ |
void assertImmutable(final Object o) { |
1754 |
+ |
if (o instanceof Collection) { |
1755 |
+ |
assertThrows( |
1756 |
+ |
UnsupportedOperationException.class, |
1757 |
+ |
new Runnable() { public void run() { |
1758 |
+ |
((Collection) o).add(null);}}); |
1759 |
+ |
} |
1760 |
+ |
} |
1761 |
+ |
|
1762 |
|
@SuppressWarnings("unchecked") |
1763 |
|
<T> T serialClone(T o) { |
1764 |
+ |
T clone = null; |
1765 |
|
try { |
1766 |
|
ObjectInputStream ois = new ObjectInputStream |
1767 |
|
(new ByteArrayInputStream(serialBytes(o))); |
1768 |
< |
T clone = (T) ois.readObject(); |
1744 |
< |
assertSame(o.getClass(), clone.getClass()); |
1745 |
< |
return clone; |
1768 |
> |
clone = (T) ois.readObject(); |
1769 |
|
} catch (Throwable fail) { |
1770 |
|
threadUnexpectedException(fail); |
1771 |
+ |
} |
1772 |
+ |
if (o == clone) assertImmutable(o); |
1773 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1774 |
+ |
return clone; |
1775 |
+ |
} |
1776 |
+ |
|
1777 |
+ |
/** |
1778 |
+ |
* A version of serialClone that leaves error handling (for |
1779 |
+ |
* e.g. NotSerializableException) up to the caller. |
1780 |
+ |
*/ |
1781 |
+ |
@SuppressWarnings("unchecked") |
1782 |
+ |
<T> T serialClonePossiblyFailing(T o) |
1783 |
+ |
throws ReflectiveOperationException, java.io.IOException { |
1784 |
+ |
ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
1785 |
+ |
ObjectOutputStream oos = new ObjectOutputStream(bos); |
1786 |
+ |
oos.writeObject(o); |
1787 |
+ |
oos.flush(); |
1788 |
+ |
oos.close(); |
1789 |
+ |
ObjectInputStream ois = new ObjectInputStream |
1790 |
+ |
(new ByteArrayInputStream(bos.toByteArray())); |
1791 |
+ |
T clone = (T) ois.readObject(); |
1792 |
+ |
if (o == clone) assertImmutable(o); |
1793 |
+ |
else assertSame(o.getClass(), clone.getClass()); |
1794 |
+ |
return clone; |
1795 |
+ |
} |
1796 |
+ |
|
1797 |
+ |
/** |
1798 |
+ |
* If o implements Cloneable and has a public clone method, |
1799 |
+ |
* returns a clone of o, else null. |
1800 |
+ |
*/ |
1801 |
+ |
@SuppressWarnings("unchecked") |
1802 |
+ |
<T> T cloneableClone(T o) { |
1803 |
+ |
if (!(o instanceof Cloneable)) return null; |
1804 |
+ |
final T clone; |
1805 |
+ |
try { |
1806 |
+ |
clone = (T) o.getClass().getMethod("clone").invoke(o); |
1807 |
+ |
} catch (NoSuchMethodException ok) { |
1808 |
|
return null; |
1809 |
+ |
} catch (ReflectiveOperationException unexpected) { |
1810 |
+ |
throw new Error(unexpected); |
1811 |
|
} |
1812 |
+ |
assertNotSame(o, clone); // not 100% guaranteed by spec |
1813 |
+ |
assertSame(o.getClass(), clone.getClass()); |
1814 |
+ |
return clone; |
1815 |
|
} |
1816 |
|
|
1817 |
|
public void assertThrows(Class<? extends Throwable> expectedExceptionClass, |
1821 |
|
try { throwingAction.run(); } |
1822 |
|
catch (Throwable t) { |
1823 |
|
threw = true; |
1824 |
< |
if (!expectedExceptionClass.isInstance(t)) { |
1825 |
< |
AssertionFailedError afe = |
1826 |
< |
new AssertionFailedError |
1827 |
< |
("Expected " + expectedExceptionClass.getName() + |
1828 |
< |
", got " + t.getClass().getName()); |
1764 |
< |
afe.initCause(t); |
1765 |
< |
threadUnexpectedException(afe); |
1766 |
< |
} |
1824 |
> |
if (!expectedExceptionClass.isInstance(t)) |
1825 |
> |
throw new AssertionError( |
1826 |
> |
"Expected " + expectedExceptionClass.getName() + |
1827 |
> |
", got " + t.getClass().getName(), |
1828 |
> |
t); |
1829 |
|
} |
1830 |
|
if (!threw) |
1831 |
|
shouldThrow(expectedExceptionClass.getName()); |
1839 |
|
} catch (NoSuchElementException success) {} |
1840 |
|
assertFalse(it.hasNext()); |
1841 |
|
} |
1842 |
+ |
|
1843 |
+ |
public <T> Callable<T> callableThrowing(final Exception ex) { |
1844 |
+ |
return new Callable<T>() { public T call() throws Exception { throw ex; }}; |
1845 |
+ |
} |
1846 |
+ |
|
1847 |
+ |
public Runnable runnableThrowing(final RuntimeException ex) { |
1848 |
+ |
return new Runnable() { public void run() { throw ex; }}; |
1849 |
+ |
} |
1850 |
+ |
|
1851 |
+ |
/** A reusable thread pool to be shared by tests. */ |
1852 |
+ |
static final ExecutorService cachedThreadPool = |
1853 |
+ |
new ThreadPoolExecutor(0, Integer.MAX_VALUE, |
1854 |
+ |
1000L, MILLISECONDS, |
1855 |
+ |
new SynchronousQueue<Runnable>()); |
1856 |
+ |
|
1857 |
+ |
static <T> void shuffle(T[] array) { |
1858 |
+ |
Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current()); |
1859 |
+ |
} |
1860 |
+ |
|
1861 |
+ |
/** |
1862 |
+ |
* Returns the same String as would be returned by {@link |
1863 |
+ |
* Object#toString}, whether or not the given object's class |
1864 |
+ |
* overrides toString(). |
1865 |
+ |
* |
1866 |
+ |
* @see System#identityHashCode |
1867 |
+ |
*/ |
1868 |
+ |
static String identityString(Object x) { |
1869 |
+ |
return x.getClass().getName() |
1870 |
+ |
+ "@" + Integer.toHexString(System.identityHashCode(x)); |
1871 |
+ |
} |
1872 |
+ |
|
1873 |
+ |
// --- Shared assertions for Executor tests --- |
1874 |
+ |
|
1875 |
+ |
/** |
1876 |
+ |
* Returns maximum number of tasks that can be submitted to given |
1877 |
+ |
* pool (with bounded queue) before saturation (when submission |
1878 |
+ |
* throws RejectedExecutionException). |
1879 |
+ |
*/ |
1880 |
+ |
static final int saturatedSize(ThreadPoolExecutor pool) { |
1881 |
+ |
BlockingQueue<Runnable> q = pool.getQueue(); |
1882 |
+ |
return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity(); |
1883 |
+ |
} |
1884 |
+ |
|
1885 |
+ |
@SuppressWarnings("FutureReturnValueIgnored") |
1886 |
+ |
void assertNullTaskSubmissionThrowsNullPointerException(Executor e) { |
1887 |
+ |
try { |
1888 |
+ |
e.execute((Runnable) null); |
1889 |
+ |
shouldThrow(); |
1890 |
+ |
} catch (NullPointerException success) {} |
1891 |
+ |
|
1892 |
+ |
if (! (e instanceof ExecutorService)) return; |
1893 |
+ |
ExecutorService es = (ExecutorService) e; |
1894 |
+ |
try { |
1895 |
+ |
es.submit((Runnable) null); |
1896 |
+ |
shouldThrow(); |
1897 |
+ |
} catch (NullPointerException success) {} |
1898 |
+ |
try { |
1899 |
+ |
es.submit((Runnable) null, Boolean.TRUE); |
1900 |
+ |
shouldThrow(); |
1901 |
+ |
} catch (NullPointerException success) {} |
1902 |
+ |
try { |
1903 |
+ |
es.submit((Callable) null); |
1904 |
+ |
shouldThrow(); |
1905 |
+ |
} catch (NullPointerException success) {} |
1906 |
+ |
|
1907 |
+ |
if (! (e instanceof ScheduledExecutorService)) return; |
1908 |
+ |
ScheduledExecutorService ses = (ScheduledExecutorService) e; |
1909 |
+ |
try { |
1910 |
+ |
ses.schedule((Runnable) null, |
1911 |
+ |
randomTimeout(), randomTimeUnit()); |
1912 |
+ |
shouldThrow(); |
1913 |
+ |
} catch (NullPointerException success) {} |
1914 |
+ |
try { |
1915 |
+ |
ses.schedule((Callable) null, |
1916 |
+ |
randomTimeout(), randomTimeUnit()); |
1917 |
+ |
shouldThrow(); |
1918 |
+ |
} catch (NullPointerException success) {} |
1919 |
+ |
try { |
1920 |
+ |
ses.scheduleAtFixedRate((Runnable) null, |
1921 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1922 |
+ |
shouldThrow(); |
1923 |
+ |
} catch (NullPointerException success) {} |
1924 |
+ |
try { |
1925 |
+ |
ses.scheduleWithFixedDelay((Runnable) null, |
1926 |
+ |
randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
1927 |
+ |
shouldThrow(); |
1928 |
+ |
} catch (NullPointerException success) {} |
1929 |
+ |
} |
1930 |
+ |
|
1931 |
+ |
void setRejectedExecutionHandler( |
1932 |
+ |
ThreadPoolExecutor p, RejectedExecutionHandler handler) { |
1933 |
+ |
p.setRejectedExecutionHandler(handler); |
1934 |
+ |
assertSame(handler, p.getRejectedExecutionHandler()); |
1935 |
+ |
} |
1936 |
+ |
|
1937 |
+ |
void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) { |
1938 |
+ |
final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler(); |
1939 |
+ |
final long savedTaskCount = p.getTaskCount(); |
1940 |
+ |
final long savedCompletedTaskCount = p.getCompletedTaskCount(); |
1941 |
+ |
final int savedQueueSize = p.getQueue().size(); |
1942 |
+ |
final boolean stock = (p.getClass().getClassLoader() == null); |
1943 |
+ |
|
1944 |
+ |
Runnable r = () -> {}; |
1945 |
+ |
Callable<Boolean> c = () -> Boolean.TRUE; |
1946 |
+ |
|
1947 |
+ |
class Recorder implements RejectedExecutionHandler { |
1948 |
+ |
public volatile Runnable r = null; |
1949 |
+ |
public volatile ThreadPoolExecutor p = null; |
1950 |
+ |
public void reset() { r = null; p = null; } |
1951 |
+ |
public void rejectedExecution(Runnable r, ThreadPoolExecutor p) { |
1952 |
+ |
assertNull(this.r); |
1953 |
+ |
assertNull(this.p); |
1954 |
+ |
this.r = r; |
1955 |
+ |
this.p = p; |
1956 |
+ |
} |
1957 |
+ |
} |
1958 |
+ |
|
1959 |
+ |
// check custom handler is invoked exactly once per task |
1960 |
+ |
Recorder recorder = new Recorder(); |
1961 |
+ |
setRejectedExecutionHandler(p, recorder); |
1962 |
+ |
for (int i = 2; i--> 0; ) { |
1963 |
+ |
recorder.reset(); |
1964 |
+ |
p.execute(r); |
1965 |
+ |
if (stock && p.getClass() == ThreadPoolExecutor.class) |
1966 |
+ |
assertSame(r, recorder.r); |
1967 |
+ |
assertSame(p, recorder.p); |
1968 |
+ |
|
1969 |
+ |
recorder.reset(); |
1970 |
+ |
assertFalse(p.submit(r).isDone()); |
1971 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1972 |
+ |
assertSame(p, recorder.p); |
1973 |
+ |
|
1974 |
+ |
recorder.reset(); |
1975 |
+ |
assertFalse(p.submit(r, Boolean.TRUE).isDone()); |
1976 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1977 |
+ |
assertSame(p, recorder.p); |
1978 |
+ |
|
1979 |
+ |
recorder.reset(); |
1980 |
+ |
assertFalse(p.submit(c).isDone()); |
1981 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1982 |
+ |
assertSame(p, recorder.p); |
1983 |
+ |
|
1984 |
+ |
if (p instanceof ScheduledExecutorService) { |
1985 |
+ |
ScheduledExecutorService s = (ScheduledExecutorService) p; |
1986 |
+ |
ScheduledFuture<?> future; |
1987 |
+ |
|
1988 |
+ |
recorder.reset(); |
1989 |
+ |
future = s.schedule(r, randomTimeout(), randomTimeUnit()); |
1990 |
+ |
assertFalse(future.isDone()); |
1991 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1992 |
+ |
assertSame(p, recorder.p); |
1993 |
+ |
|
1994 |
+ |
recorder.reset(); |
1995 |
+ |
future = s.schedule(c, randomTimeout(), randomTimeUnit()); |
1996 |
+ |
assertFalse(future.isDone()); |
1997 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
1998 |
+ |
assertSame(p, recorder.p); |
1999 |
+ |
|
2000 |
+ |
recorder.reset(); |
2001 |
+ |
future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2002 |
+ |
assertFalse(future.isDone()); |
2003 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2004 |
+ |
assertSame(p, recorder.p); |
2005 |
+ |
|
2006 |
+ |
recorder.reset(); |
2007 |
+ |
future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS); |
2008 |
+ |
assertFalse(future.isDone()); |
2009 |
+ |
if (stock) assertTrue(!((FutureTask) recorder.r).isDone()); |
2010 |
+ |
assertSame(p, recorder.p); |
2011 |
+ |
} |
2012 |
+ |
} |
2013 |
+ |
|
2014 |
+ |
// Checking our custom handler above should be sufficient, but |
2015 |
+ |
// we add some integration tests of standard handlers. |
2016 |
+ |
final AtomicReference<Thread> thread = new AtomicReference<>(); |
2017 |
+ |
final Runnable setThread = () -> thread.set(Thread.currentThread()); |
2018 |
+ |
|
2019 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy()); |
2020 |
+ |
try { |
2021 |
+ |
p.execute(setThread); |
2022 |
+ |
shouldThrow(); |
2023 |
+ |
} catch (RejectedExecutionException success) {} |
2024 |
+ |
assertNull(thread.get()); |
2025 |
+ |
|
2026 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy()); |
2027 |
+ |
p.execute(setThread); |
2028 |
+ |
assertNull(thread.get()); |
2029 |
+ |
|
2030 |
+ |
setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy()); |
2031 |
+ |
p.execute(setThread); |
2032 |
+ |
if (p.isShutdown()) |
2033 |
+ |
assertNull(thread.get()); |
2034 |
+ |
else |
2035 |
+ |
assertSame(Thread.currentThread(), thread.get()); |
2036 |
+ |
|
2037 |
+ |
setRejectedExecutionHandler(p, savedHandler); |
2038 |
+ |
|
2039 |
+ |
// check that pool was not perturbed by handlers |
2040 |
+ |
assertEquals(savedTaskCount, p.getTaskCount()); |
2041 |
+ |
assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount()); |
2042 |
+ |
assertEquals(savedQueueSize, p.getQueue().size()); |
2043 |
+ |
} |
2044 |
+ |
|
2045 |
+ |
void assertCollectionsEquals(Collection<?> x, Collection<?> y) { |
2046 |
+ |
assertEquals(x, y); |
2047 |
+ |
assertEquals(y, x); |
2048 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2049 |
+ |
assertEquals(x.size(), y.size()); |
2050 |
+ |
if (x instanceof List) { |
2051 |
+ |
assertEquals(x.toString(), y.toString()); |
2052 |
+ |
} |
2053 |
+ |
if (x instanceof List || x instanceof Set) { |
2054 |
+ |
assertEquals(x.hashCode(), y.hashCode()); |
2055 |
+ |
} |
2056 |
+ |
if (x instanceof List || x instanceof Deque) { |
2057 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2058 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2059 |
+ |
y.toArray(new Object[0]))); |
2060 |
+ |
} |
2061 |
+ |
} |
2062 |
+ |
|
2063 |
+ |
/** |
2064 |
+ |
* A weaker form of assertCollectionsEquals which does not insist |
2065 |
+ |
* that the two collections satisfy Object#equals(Object), since |
2066 |
+ |
* they may use identity semantics as Deques do. |
2067 |
+ |
*/ |
2068 |
+ |
void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) { |
2069 |
+ |
if (x instanceof List || x instanceof Set) |
2070 |
+ |
assertCollectionsEquals(x, y); |
2071 |
+ |
else { |
2072 |
+ |
assertEquals(x.isEmpty(), y.isEmpty()); |
2073 |
+ |
assertEquals(x.size(), y.size()); |
2074 |
+ |
assertEquals(new HashSet(x), new HashSet(y)); |
2075 |
+ |
if (x instanceof Deque) { |
2076 |
+ |
assertTrue(Arrays.equals(x.toArray(), y.toArray())); |
2077 |
+ |
assertTrue(Arrays.equals(x.toArray(new Object[0]), |
2078 |
+ |
y.toArray(new Object[0]))); |
2079 |
+ |
} |
2080 |
+ |
} |
2081 |
+ |
} |
2082 |
|
} |