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root/jsr166/jsr166/src/test/tck/JSR166TestCase.java

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.52 by jsr166, Mon Sep 13 23:19:31 2010 UTC vs.
Revision 1.141 by jsr166, Tue Sep 8 16:49:16 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.io.*;
11	<	import java.security.*;
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.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;
24	>	import java.security.Permissions;
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.Future;
44	>	import java.util.concurrent.RecursiveAction;
45	>	import java.util.concurrent.RecursiveTask;
46	>	import java.util.concurrent.RejectedExecutionHandler;
47	>	import java.util.concurrent.Semaphore;
48	>	import java.util.concurrent.ThreadFactory;
49	>	import java.util.concurrent.ThreadPoolExecutor;
50	>	import java.util.concurrent.TimeoutException;
51	>	import java.util.concurrent.atomic.AtomicReference;
52	>	import java.util.regex.Pattern;
53	>
54	>	import junit.framework.AssertionFailedError;
55	>	import junit.framework.Test;
56	>	import junit.framework.TestCase;
57	>	import junit.framework.TestResult;
58	>	import junit.framework.TestSuite;
59
60		/**
61		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 54 | Line 98 | import java.security.*;
98		*
99		* </ol>
100		*
101	<	* <p> <b>Other notes</b>
101	>	* <p><b>Other notes</b>
102		* <ul>
103		*
104		* <li> Usually, there is one testcase method per JSR166 method
#	Line 90 | Line 134 | public class JSR166TestCase extends Test
134		private static final boolean useSecurityManager =
135		Boolean.getBoolean("jsr166.useSecurityManager");
136
137	+	protected static final boolean expensiveTests =
138	+	Boolean.getBoolean("jsr166.expensiveTests");
139	+
140	+	/**
141	+	* If true, also run tests that are not part of the official tck
142	+	* because they test unspecified implementation details.
143	+	*/
144	+	protected static final boolean testImplementationDetails =
145	+	Boolean.getBoolean("jsr166.testImplementationDetails");
146	+
147	+	/**
148	+	* If true, report on stdout all "slow" tests, that is, ones that
149	+	* take more than profileThreshold milliseconds to execute.
150	+	*/
151	+	private static final boolean profileTests =
152	+	Boolean.getBoolean("jsr166.profileTests");
153	+
154	+	/**
155	+	* The number of milliseconds that tests are permitted for
156	+	* execution without being reported, when profileTests is set.
157	+	*/
158	+	private static final long profileThreshold =
159	+	Long.getLong("jsr166.profileThreshold", 100);
160	+
161	+	/**
162	+	* The number of repetitions per test (for tickling rare bugs).
163	+	*/
164	+	private static final int runsPerTest =
165	+	Integer.getInteger("jsr166.runsPerTest", 1);
166	+
167	+	/**
168	+	* The number of repetitions of the test suite (for finding leaks?).
169	+	*/
170	+	private static final int suiteRuns =
171	+	Integer.getInteger("jsr166.suiteRuns", 1);
172	+
173	+	public JSR166TestCase() { super(); }
174	+	public JSR166TestCase(String name) { super(name); }
175	+
176		/**
177	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
177	>	* A filter for tests to run, matching strings of the form
178	>	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
179	>	* Usefully combined with jsr166.runsPerTest.
180	>	*/
181	>	private static final Pattern methodFilter = methodFilter();
182	>
183	>	private static Pattern methodFilter() {
184	>	String regex = System.getProperty("jsr166.methodFilter");
185	>	return (regex == null) ? null : Pattern.compile(regex);
186	>	}
187	>
188	>	protected void runTest() throws Throwable {
189	>	if (methodFilter == null
190	>	|| methodFilter.matcher(toString()).find()) {
191	>	for (int i = 0; i < runsPerTest; i++) {
192	>	if (profileTests)
193	>	runTestProfiled();
194	>	else
195	>	super.runTest();
196	>	}
197	>	}
198	>	}
199	>
200	>	protected void runTestProfiled() throws Throwable {
201	>	// Warmup run, notably to trigger all needed classloading.
202	>	super.runTest();
203	>	long t0 = System.nanoTime();
204	>	try {
205	>	super.runTest();
206	>	} finally {
207	>	long elapsedMillis = millisElapsedSince(t0);
208	>	if (elapsedMillis >= profileThreshold)
209	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
210	>	}
211	>	}
212	>
213	>	/**
214	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
215		*/
216		public static void main(String[] args) {
217	+	main(suite(), args);
218	+	}
219	+
220	+	/**
221	+	* Runs all unit tests in the given test suite.
222	+	* Actual behavior influenced by jsr166.* system properties.
223	+	*/
224	+	static void main(Test suite, String[] args) {
225		if (useSecurityManager) {
226		System.err.println("Setting a permissive security manager");
227		Policy.setPolicy(permissivePolicy());
228		System.setSecurityManager(new SecurityManager());
229		}
230	<	int iters = 1;
231	<	if (args.length > 0)
232	<	iters = Integer.parseInt(args[0]);
233	<	Test s = suite();
106	<	for (int i = 0; i < iters; ++i) {
107	<	junit.textui.TestRunner.run(s);
230	>	for (int i = 0; i < suiteRuns; i++) {
231	>	TestResult result = junit.textui.TestRunner.run(suite);
232	>	if (!result.wasSuccessful())
233	>	System.exit(1);
234		System.gc();
235		System.runFinalization();
236		}
237	<	System.exit(0);
237	>	}
238	>
239	>	public static TestSuite newTestSuite(Object... suiteOrClasses) {
240	>	TestSuite suite = new TestSuite();
241	>	for (Object suiteOrClass : suiteOrClasses) {
242	>	if (suiteOrClass instanceof TestSuite)
243	>	suite.addTest((TestSuite) suiteOrClass);
244	>	else if (suiteOrClass instanceof Class)
245	>	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
246	>	else
247	>	throw new ClassCastException("not a test suite or class");
248	>	}
249	>	return suite;
250	>	}
251	>
252	>	public static void addNamedTestClasses(TestSuite suite,
253	>	String... testClassNames) {
254	>	for (String testClassName : testClassNames) {
255	>	try {
256	>	Class<?> testClass = Class.forName(testClassName);
257	>	Method m = testClass.getDeclaredMethod("suite",
258	>	new Class<?>[0]);
259	>	suite.addTest(newTestSuite((Test)m.invoke(null)));
260	>	} catch (Exception e) {
261	>	throw new Error("Missing test class", e);
262	>	}
263	>	}
264	>	}
265	>
266	>	public static final double JAVA_CLASS_VERSION;
267	>	public static final String JAVA_SPECIFICATION_VERSION;
268	>	static {
269	>	try {
270	>	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
271	>	new java.security.PrivilegedAction<Double>() {
272	>	public Double run() {
273	>	return Double.valueOf(System.getProperty("java.class.version"));}});
274	>	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
275	>	new java.security.PrivilegedAction<String>() {
276	>	public String run() {
277	>	return System.getProperty("java.specification.version");}});
278	>	} catch (Throwable t) {
279	>	throw new Error(t);
280	>	}
281	>	}
282	>
283	>	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
284	>	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
285	>	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
286	>	public static boolean atLeastJava9() {
287	>	return JAVA_CLASS_VERSION >= 53.0
288	>	// As of 2015-09, java9 still uses 52.0 class file version
289	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
290	>	}
291	>	public static boolean atLeastJava10() {
292	>	return JAVA_CLASS_VERSION >= 54.0
293	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
294		}
295
296		/**
297	<	* Collects all JSR166 unit tests as one suite
297	>	* Collects all JSR166 unit tests as one suite.
298		*/
299		public static Test suite() {
300	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
301	<
302	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
303	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
304	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
305	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
306	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
307	<	suite.addTest(new TestSuite(PhaserTest.class));
308	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
309	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
310	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
311	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
312	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
313	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
314	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
315	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
316	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
317	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
318	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
319	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
320	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
321	<	suite.addTest(new TestSuite(AtomicLongTest.class));
322	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
323	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
324	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
325	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
326	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
327	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
328	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
329	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
330	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
331	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
332	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
333	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
334	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
335	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
336	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
337	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
338	<	suite.addTest(new TestSuite(DelayQueueTest.class));
339	<	suite.addTest(new TestSuite(EntryTest.class));
340	<	suite.addTest(new TestSuite(ExchangerTest.class));
341	<	suite.addTest(new TestSuite(ExecutorsTest.class));
342	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
343	<	suite.addTest(new TestSuite(FutureTaskTest.class));
344	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
345	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
346	<	suite.addTest(new TestSuite(LinkedListTest.class));
347	<	suite.addTest(new TestSuite(LockSupportTest.class));
348	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
349	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
350	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
351	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
352	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
353	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
354	<	suite.addTest(new TestSuite(SemaphoreTest.class));
355	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
356	<	suite.addTest(new TestSuite(SystemTest.class));
357	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
358	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
359	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
360	<	suite.addTest(new TestSuite(ThreadTest.class));
361	<	suite.addTest(new TestSuite(TimeUnitTest.class));
362	<	suite.addTest(new TestSuite(TreeMapTest.class));
363	<	suite.addTest(new TestSuite(TreeSetTest.class));
364	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
365	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
300	>	// Java7+ test classes
301	>	TestSuite suite = newTestSuite(
302	>	ForkJoinPoolTest.suite(),
303	>	ForkJoinTaskTest.suite(),
304	>	RecursiveActionTest.suite(),
305	>	RecursiveTaskTest.suite(),
306	>	LinkedTransferQueueTest.suite(),
307	>	PhaserTest.suite(),
308	>	ThreadLocalRandomTest.suite(),
309	>	AbstractExecutorServiceTest.suite(),
310	>	AbstractQueueTest.suite(),
311	>	AbstractQueuedSynchronizerTest.suite(),
312	>	AbstractQueuedLongSynchronizerTest.suite(),
313	>	ArrayBlockingQueueTest.suite(),
314	>	ArrayDequeTest.suite(),
315	>	AtomicBooleanTest.suite(),
316	>	AtomicIntegerArrayTest.suite(),
317	>	AtomicIntegerFieldUpdaterTest.suite(),
318	>	AtomicIntegerTest.suite(),
319	>	AtomicLongArrayTest.suite(),
320	>	AtomicLongFieldUpdaterTest.suite(),
321	>	AtomicLongTest.suite(),
322	>	AtomicMarkableReferenceTest.suite(),
323	>	AtomicReferenceArrayTest.suite(),
324	>	AtomicReferenceFieldUpdaterTest.suite(),
325	>	AtomicReferenceTest.suite(),
326	>	AtomicStampedReferenceTest.suite(),
327	>	ConcurrentHashMapTest.suite(),
328	>	ConcurrentLinkedDequeTest.suite(),
329	>	ConcurrentLinkedQueueTest.suite(),
330	>	ConcurrentSkipListMapTest.suite(),
331	>	ConcurrentSkipListSubMapTest.suite(),
332	>	ConcurrentSkipListSetTest.suite(),
333	>	ConcurrentSkipListSubSetTest.suite(),
334	>	CopyOnWriteArrayListTest.suite(),
335	>	CopyOnWriteArraySetTest.suite(),
336	>	CountDownLatchTest.suite(),
337	>	CyclicBarrierTest.suite(),
338	>	DelayQueueTest.suite(),
339	>	EntryTest.suite(),
340	>	ExchangerTest.suite(),
341	>	ExecutorsTest.suite(),
342	>	ExecutorCompletionServiceTest.suite(),
343	>	FutureTaskTest.suite(),
344	>	LinkedBlockingDequeTest.suite(),
345	>	LinkedBlockingQueueTest.suite(),
346	>	LinkedListTest.suite(),
347	>	LockSupportTest.suite(),
348	>	PriorityBlockingQueueTest.suite(),
349	>	PriorityQueueTest.suite(),
350	>	ReentrantLockTest.suite(),
351	>	ReentrantReadWriteLockTest.suite(),
352	>	ScheduledExecutorTest.suite(),
353	>	ScheduledExecutorSubclassTest.suite(),
354	>	SemaphoreTest.suite(),
355	>	SynchronousQueueTest.suite(),
356	>	SystemTest.suite(),
357	>	ThreadLocalTest.suite(),
358	>	ThreadPoolExecutorTest.suite(),
359	>	ThreadPoolExecutorSubclassTest.suite(),
360	>	ThreadTest.suite(),
361	>	TimeUnitTest.suite(),
362	>	TreeMapTest.suite(),
363	>	TreeSetTest.suite(),
364	>	TreeSubMapTest.suite(),
365	>	TreeSubSetTest.suite());
366	>
367	>	// Java8+ test classes
368	>	if (atLeastJava8()) {
369	>	String[] java8TestClassNames = {
370	>	"Atomic8Test",
371	>	"CompletableFutureTest",
372	>	"ConcurrentHashMap8Test",
373	>	"CountedCompleterTest",
374	>	"DoubleAccumulatorTest",
375	>	"DoubleAdderTest",
376	>	"ForkJoinPool8Test",
377	>	"ForkJoinTask8Test",
378	>	"LongAccumulatorTest",
379	>	"LongAdderTest",
380	>	"SplittableRandomTest",
381	>	"StampedLockTest",
382	>	"SubmissionPublisherTest",
383	>	"ThreadLocalRandom8Test",
384	>	};
385	>	addNamedTestClasses(suite, java8TestClassNames);
386	>	}
387	>
388	>	// Java9+ test classes
389	>	if (atLeastJava9()) {
390	>	String[] java9TestClassNames = {
391	>	// Currently empty
392	>	};
393	>	addNamedTestClasses(suite, java9TestClassNames);
394	>	}
395
396		return suite;
397		}
398
399	+	/** Returns list of junit-style test method names in given class. */
400	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
401	+	Method[] methods = testClass.getDeclaredMethods();
402	+	ArrayList<String> names = new ArrayList<String>(methods.length);
403	+	for (Method method : methods) {
404	+	if (method.getName().startsWith("test")
405	+	&& Modifier.isPublic(method.getModifiers())
406	+	// method.getParameterCount() requires jdk8+
407	+	&& method.getParameterTypes().length == 0) {
408	+	names.add(method.getName());
409	+	}
410	+	}
411	+	return names;
412	+	}
413	+
414	+	/**
415	+	* Returns junit-style testSuite for the given test class, but
416	+	* parameterized by passing extra data to each test.
417	+	*/
418	+	public static <ExtraData> Test parameterizedTestSuite
419	+	(Class<? extends JSR166TestCase> testClass,
420	+	Class<ExtraData> dataClass,
421	+	ExtraData data) {
422	+	try {
423	+	TestSuite suite = new TestSuite();
424	+	Constructor c =
425	+	testClass.getDeclaredConstructor(dataClass, String.class);
426	+	for (String methodName : testMethodNames(testClass))
427	+	suite.addTest((Test) c.newInstance(data, methodName));
428	+	return suite;
429	+	} catch (Exception e) {
430	+	throw new Error(e);
431	+	}
432	+	}
433	+
434	+	/**
435	+	* Returns junit-style testSuite for the jdk8 extension of the
436	+	* given test class, but parameterized by passing extra data to
437	+	* each test.  Uses reflection to allow compilation in jdk7.
438	+	*/
439	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
440	+	(Class<? extends JSR166TestCase> testClass,
441	+	Class<ExtraData> dataClass,
442	+	ExtraData data) {
443	+	if (atLeastJava8()) {
444	+	String name = testClass.getName();
445	+	String name8 = name.replaceAll("Test$", "8Test");
446	+	if (name.equals(name8)) throw new Error(name);
447	+	try {
448	+	return (Test)
449	+	Class.forName(name8)
450	+	.getMethod("testSuite", new Class[] { dataClass })
451	+	.invoke(null, data);
452	+	} catch (Exception e) {
453	+	throw new Error(e);
454	+	}
455	+	} else {
456	+	return new TestSuite();
457	+	}
458	+
459	+	}
460	+
461	+	// Delays for timing-dependent tests, in milliseconds.
462
463		public static long SHORT_DELAY_MS;
464		public static long SMALL_DELAY_MS;
465		public static long MEDIUM_DELAY_MS;
466		public static long LONG_DELAY_MS;
467
194	–
468		/**
469		* Returns the shortest timed delay. This could
470		* be reimplemented to use for example a Property.
#	Line 200 | Line 473 | public class JSR166TestCase extends Test
473		return 50;
474		}
475
203	–
476		/**
477		* Sets delays as multiples of SHORT_DELAY.
478		*/
479		protected void setDelays() {
480		SHORT_DELAY_MS = getShortDelay();
481	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
481	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
482		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
483	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
483	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
484		}
485
486		/**
487	<	* Flag set true if any threadAssert methods fail
487	>	* Returns a timeout in milliseconds to be used in tests that
488	>	* verify that operations block or time out.
489		*/
490	<	volatile boolean threadFailed;
490	>	long timeoutMillis() {
491	>	return SHORT_DELAY_MS / 4;
492	>	}
493
494		/**
495	<	* Initializes test to indicate that no thread assertions have failed
495	>	* Returns a new Date instance representing a time at least
496	>	* delayMillis milliseconds in the future.
497		*/
498	+	Date delayedDate(long delayMillis) {
499	+	// Add 1 because currentTimeMillis is known to round into the past.
500	+	return new Date(System.currentTimeMillis() + delayMillis + 1);
501	+	}
502	+
503	+	/**
504	+	* The first exception encountered if any threadAssertXXX method fails.
505	+	*/
506	+	private final AtomicReference<Throwable> threadFailure
507	+	= new AtomicReference<Throwable>(null);
508	+
509	+	/**
510	+	* Records an exception so that it can be rethrown later in the test
511	+	* harness thread, triggering a test case failure.  Only the first
512	+	* failure is recorded; subsequent calls to this method from within
513	+	* the same test have no effect.
514	+	*/
515	+	public void threadRecordFailure(Throwable t) {
516	+	threadFailure.compareAndSet(null, t);
517	+	}
518	+
519		public void setUp() {
520		setDelays();
224	–	threadFailed = false;
521		}
522
523		/**
524	<	* Triggers test case failure if any thread assertions have failed
524	>	* Extra checks that get done for all test cases.
525	>	*
526	>	* Triggers test case failure if any thread assertions have failed,
527	>	* by rethrowing, in the test harness thread, any exception recorded
528	>	* earlier by threadRecordFailure.
529	>	*
530	>	* Triggers test case failure if interrupt status is set in the main thread.
531	>	*/
532	>	public void tearDown() throws Exception {
533	>	Throwable t = threadFailure.getAndSet(null);
534	>	if (t != null) {
535	>	if (t instanceof Error)
536	>	throw (Error) t;
537	>	else if (t instanceof RuntimeException)
538	>	throw (RuntimeException) t;
539	>	else if (t instanceof Exception)
540	>	throw (Exception) t;
541	>	else {
542	>	AssertionFailedError afe =
543	>	new AssertionFailedError(t.toString());
544	>	afe.initCause(t);
545	>	throw afe;
546	>	}
547	>	}
548	>
549	>	if (Thread.interrupted())
550	>	throw new AssertionFailedError("interrupt status set in main thread");
551	>
552	>	checkForkJoinPoolThreadLeaks();
553	>	}
554	>
555	>	/**
556	>	* Finds missing try { ... } finally { joinPool(e); }
557		*/
558	<	public void tearDown() {
559	<	assertFalse(threadFailed);
558	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
559	>	Thread[] survivors = new Thread[5];
560	>	int count = Thread.enumerate(survivors);
561	>	for (int i = 0; i < count; i++) {
562	>	Thread thread = survivors[i];
563	>	String name = thread.getName();
564	>	if (name.startsWith("ForkJoinPool-")) {
565	>	// give thread some time to terminate
566	>	thread.join(LONG_DELAY_MS);
567	>	if (!thread.isAlive()) continue;
568	>	throw new AssertionFailedError
569	>	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
570	>	toString(), name));
571	>	}
572	>	}
573		}
574
575		/**
576	<	* Fail, also setting status to indicate current testcase should fail
576	>	* Just like fail(reason), but additionally recording (using
577	>	* threadRecordFailure) any AssertionFailedError thrown, so that
578	>	* the current testcase will fail.
579		*/
580		public void threadFail(String reason) {
581	<	threadFailed = true;
582	<	fail(reason);
581	>	try {
582	>	fail(reason);
583	>	} catch (AssertionFailedError t) {
584	>	threadRecordFailure(t);
585	>	fail(reason);
586	>	}
587		}
588
589		/**
590	<	* If expression not true, set status to indicate current testcase
591	<	* should fail
590	>	* Just like assertTrue(b), but additionally recording (using
591	>	* threadRecordFailure) any AssertionFailedError thrown, so that
592	>	* the current testcase will fail.
593		*/
594		public void threadAssertTrue(boolean b) {
595	<	if (!b) {
248	<	threadFailed = true;
595	>	try {
596		assertTrue(b);
597	+	} catch (AssertionFailedError t) {
598	+	threadRecordFailure(t);
599	+	throw t;
600		}
601		}
602
603		/**
604	<	* If expression not false, set status to indicate current testcase
605	<	* should fail
604	>	* Just like assertFalse(b), but additionally recording (using
605	>	* threadRecordFailure) any AssertionFailedError thrown, so that
606	>	* the current testcase will fail.
607		*/
608		public void threadAssertFalse(boolean b) {
609	<	if (b) {
259	<	threadFailed = true;
609	>	try {
610		assertFalse(b);
611	+	} catch (AssertionFailedError t) {
612	+	threadRecordFailure(t);
613	+	throw t;
614		}
615		}
616
617		/**
618	<	* If argument not null, set status to indicate current testcase
619	<	* should fail
618	>	* Just like assertNull(x), but additionally recording (using
619	>	* threadRecordFailure) any AssertionFailedError thrown, so that
620	>	* the current testcase will fail.
621		*/
622		public void threadAssertNull(Object x) {
623	<	if (x != null) {
270	<	threadFailed = true;
623	>	try {
624		assertNull(x);
625	+	} catch (AssertionFailedError t) {
626	+	threadRecordFailure(t);
627	+	throw t;
628		}
629		}
630
631		/**
632	<	* If arguments not equal, set status to indicate current testcase
633	<	* should fail
632	>	* Just like assertEquals(x, y), but additionally recording (using
633	>	* threadRecordFailure) any AssertionFailedError thrown, so that
634	>	* the current testcase will fail.
635		*/
636		public void threadAssertEquals(long x, long y) {
637	<	if (x != y) {
281	<	threadFailed = true;
637	>	try {
638		assertEquals(x, y);
639	+	} catch (AssertionFailedError t) {
640	+	threadRecordFailure(t);
641	+	throw t;
642		}
643		}
644
645		/**
646	<	* If arguments not equal, set status to indicate current testcase
647	<	* should fail
646	>	* Just like assertEquals(x, y), but additionally recording (using
647	>	* threadRecordFailure) any AssertionFailedError thrown, so that
648	>	* the current testcase will fail.
649		*/
650		public void threadAssertEquals(Object x, Object y) {
651	<	if (x != y && (x == null || !x.equals(y))) {
292	<	threadFailed = true;
651	>	try {
652		assertEquals(x, y);
653	+	} catch (AssertionFailedError fail) {
654	+	threadRecordFailure(fail);
655	+	throw fail;
656	+	} catch (Throwable fail) {
657	+	threadUnexpectedException(fail);
658		}
659		}
660
661		/**
662	<	* If arguments not identical, set status to indicate current testcase
663	<	* should fail
662	>	* Just like assertSame(x, y), but additionally recording (using
663	>	* threadRecordFailure) any AssertionFailedError thrown, so that
664	>	* the current testcase will fail.
665		*/
666		public void threadAssertSame(Object x, Object y) {
667	<	if (x != y) {
303	<	threadFailed = true;
667	>	try {
668		assertSame(x, y);
669	+	} catch (AssertionFailedError fail) {
670	+	threadRecordFailure(fail);
671	+	throw fail;
672		}
673		}
674
675		/**
676	<	* threadFail with message "should throw exception"
676	>	* Calls threadFail with message "should throw exception".
677		*/
678		public void threadShouldThrow() {
679	<	threadFailed = true;
313	<	fail("should throw exception");
679	>	threadFail("should throw exception");
680		}
681
682		/**
683	<	* threadFail with message "should throw" + exceptionName
683	>	* Calls threadFail with message "should throw" + exceptionName.
684		*/
685		public void threadShouldThrow(String exceptionName) {
686	<	threadFailed = true;
321	<	fail("should throw " + exceptionName);
686	>	threadFail("should throw " + exceptionName);
687		}
688
689		/**
690	<	* threadFail with message "Unexpected exception"
690	>	* Records the given exception using {@link #threadRecordFailure},
691	>	* then rethrows the exception, wrapping it in an
692	>	* AssertionFailedError if necessary.
693		*/
694	<	public void threadUnexpectedException() {
695	<	threadFailed = true;
696	<	fail("Unexpected exception");
694	>	public void threadUnexpectedException(Throwable t) {
695	>	threadRecordFailure(t);
696	>	t.printStackTrace();
697	>	if (t instanceof RuntimeException)
698	>	throw (RuntimeException) t;
699	>	else if (t instanceof Error)
700	>	throw (Error) t;
701	>	else {
702	>	AssertionFailedError afe =
703	>	new AssertionFailedError("unexpected exception: " + t);
704	>	afe.initCause(t);
705	>	throw afe;
706	>	}
707		}
708
709		/**
710	<	* threadFail with message "Unexpected exception", with argument
710	>	* Delays, via Thread.sleep, for the given millisecond delay, but
711	>	* if the sleep is shorter than specified, may re-sleep or yield
712	>	* until time elapses.
713		*/
714	<	public void threadUnexpectedException(Throwable ex) {
715	<	threadFailed = true;
716	<	ex.printStackTrace();
717	<	fail("Unexpected exception: " + ex);
714	>	static void delay(long millis) throws InterruptedException {
715	>	long startTime = System.nanoTime();
716	>	long ns = millis * 1000 * 1000;
717	>	for (;;) {
718	>	if (millis > 0L)
719	>	Thread.sleep(millis);
720	>	else // too short to sleep
721	>	Thread.yield();
722	>	long d = ns - (System.nanoTime() - startTime);
723	>	if (d > 0L)
724	>	millis = d / (1000 * 1000);
725	>	else
726	>	break;
727	>	}
728		}
729
730		/**
731	<	* Wait out termination of a thread pool or fail doing so
731	>	* Waits out termination of a thread pool or fails doing so.
732		*/
733	<	public void joinPool(ExecutorService exec) {
733	>	void joinPool(ExecutorService pool) {
734		try {
735	<	exec.shutdown();
736	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
735	>	pool.shutdown();
736	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS))
737	>	fail("ExecutorService " + pool +
738	>	" did not terminate in a timely manner");
739		} catch (SecurityException ok) {
740		// Allowed in case test doesn't have privs
741	<	} catch (InterruptedException ie) {
741	>	} catch (InterruptedException fail) {
742		fail("Unexpected InterruptedException");
743		}
744		}
745
746	+	/** Like Runnable, but with the freedom to throw anything */
747	+	interface Action { public void run() throws Throwable; }
748
749		/**
750	<	* fail with message "should throw exception"
750	>	* Runs all the given actions in parallel, failing if any fail.
751	>	* Useful for running multiple variants of tests that are
752	>	* necessarily individually slow because they must block.
753		*/
754	<	public void shouldThrow() {
755	<	fail("Should throw exception");
754	>	void testInParallel(Action ... actions) {
755	>	ExecutorService pool = Executors.newCachedThreadPool();
756	>	try {
757	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
758	>	for (final Action action : actions)
759	>	futures.add(pool.submit(new CheckedRunnable() {
760	>	public void realRun() throws Throwable { action.run();}}));
761	>	for (Future<?> future : futures)
762	>	try {
763	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
764	>	} catch (ExecutionException ex) {
765	>	threadUnexpectedException(ex.getCause());
766	>	} catch (Exception ex) {
767	>	threadUnexpectedException(ex);
768	>	}
769	>	} finally {
770	>	joinPool(pool);
771	>	}
772		}
773
774		/**
775	<	* fail with message "should throw " + exceptionName
775	>	* A debugging tool to print all stack traces, as jstack does.
776		*/
777	<	public void shouldThrow(String exceptionName) {
778	<	fail("Should throw " + exceptionName);
777	>	static void printAllStackTraces() {
778	>	for (ThreadInfo info :
779	>	ManagementFactory.getThreadMXBean()
780	>	.dumpAllThreads(true, true))
781	>	System.err.print(info);
782	>	}
783	>
784	>	/**
785	>	* Checks that thread does not terminate within the default
786	>	* millisecond delay of {@code timeoutMillis()}.
787	>	*/
788	>	void assertThreadStaysAlive(Thread thread) {
789	>	assertThreadStaysAlive(thread, timeoutMillis());
790	>	}
791	>
792	>	/**
793	>	* Checks that thread does not terminate within the given millisecond delay.
794	>	*/
795	>	void assertThreadStaysAlive(Thread thread, long millis) {
796	>	try {
797	>	// No need to optimize the failing case via Thread.join.
798	>	delay(millis);
799	>	assertTrue(thread.isAlive());
800	>	} catch (InterruptedException fail) {
801	>	fail("Unexpected InterruptedException");
802	>	}
803	>	}
804	>
805	>	/**
806	>	* Checks that the threads do not terminate within the default
807	>	* millisecond delay of {@code timeoutMillis()}.
808	>	*/
809	>	void assertThreadsStayAlive(Thread... threads) {
810	>	assertThreadsStayAlive(timeoutMillis(), threads);
811		}
812
813		/**
814	<	* fail with message "Unexpected exception"
814	>	* Checks that the threads do not terminate within the given millisecond delay.
815		*/
816	<	public void unexpectedException() {
817	<	fail("Unexpected exception");
816	>	void assertThreadsStayAlive(long millis, Thread... threads) {
817	>	try {
818	>	// No need to optimize the failing case via Thread.join.
819	>	delay(millis);
820	>	for (Thread thread : threads)
821	>	assertTrue(thread.isAlive());
822	>	} catch (InterruptedException fail) {
823	>	fail("Unexpected InterruptedException");
824	>	}
825		}
826
827		/**
828	<	* fail with message "Unexpected exception", with argument
828	>	* Checks that future.get times out, with the default timeout of
829	>	* {@code timeoutMillis()}.
830		*/
831	<	public void unexpectedException(Throwable ex) {
832	<	ex.printStackTrace();
382	<	fail("Unexpected exception: " + ex);
831	>	void assertFutureTimesOut(Future future) {
832	>	assertFutureTimesOut(future, timeoutMillis());
833		}
834
835	+	/**
836	+	* Checks that future.get times out, with the given millisecond timeout.
837	+	*/
838	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
839	+	long startTime = System.nanoTime();
840	+	try {
841	+	future.get(timeoutMillis, MILLISECONDS);
842	+	shouldThrow();
843	+	} catch (TimeoutException success) {
844	+	} catch (Exception fail) {
845	+	threadUnexpectedException(fail);
846	+	} finally { future.cancel(true); }
847	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
848	+	}
849	+
850	+	/**
851	+	* Fails with message "should throw exception".
852	+	*/
853	+	public void shouldThrow() {
854	+	fail("Should throw exception");
855	+	}
856	+
857	+	/**
858	+	* Fails with message "should throw " + exceptionName.
859	+	*/
860	+	public void shouldThrow(String exceptionName) {
861	+	fail("Should throw " + exceptionName);
862	+	}
863
864		/**
865		* The number of elements to place in collections, arrays, etc.
#	Line 408 | Line 886 | public class JSR166TestCase extends Test
886		public static final Integer m6  = new Integer(-6);
887		public static final Integer m10 = new Integer(-10);
888
411	–
889		/**
890		* Runs Runnable r with a security policy that permits precisely
891		* the specified permissions.  If there is no current security
#	Line 420 | Line 897 | public class JSR166TestCase extends Test
897		SecurityManager sm = System.getSecurityManager();
898		if (sm == null) {
899		r.run();
900	+	}
901	+	runWithSecurityManagerWithPermissions(r, permissions);
902	+	}
903	+
904	+	/**
905	+	* Runs Runnable r with a security policy that permits precisely
906	+	* the specified permissions.  If there is no current security
907	+	* manager, a temporary one is set for the duration of the
908	+	* Runnable.  We require that any security manager permit
909	+	* getPolicy/setPolicy.
910	+	*/
911	+	public void runWithSecurityManagerWithPermissions(Runnable r,
912	+	Permission... permissions) {
913	+	SecurityManager sm = System.getSecurityManager();
914	+	if (sm == null) {
915		Policy savedPolicy = Policy.getPolicy();
916		try {
917		Policy.setPolicy(permissivePolicy());
918		System.setSecurityManager(new SecurityManager());
919	<	runWithPermissions(r, permissions);
919	>	runWithSecurityManagerWithPermissions(r, permissions);
920		} finally {
921		System.setSecurityManager(null);
922		Policy.setPolicy(savedPolicy);
#	Line 472 | Line 964 | public class JSR166TestCase extends Test
964		return perms.implies(p);
965		}
966		public void refresh() {}
967	+	public String toString() {
968	+	List<Permission> ps = new ArrayList<Permission>();
969	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
970	+	ps.add(e.nextElement());
971	+	return "AdjustablePolicy with permissions " + ps;
972	+	}
973		}
974
975		/**
#	Line 494 | Line 992 | public class JSR166TestCase extends Test
992		}
993
994		/**
995	<	* Sleep until the timeout has elapsed, or interrupted.
996	<	* Does <em>NOT</em> throw InterruptedException.
995	>	* Sleeps until the given time has elapsed.
996	>	* Throws AssertionFailedError if interrupted.
997	>	*/
998	>	void sleep(long millis) {
999	>	try {
1000	>	delay(millis);
1001	>	} catch (InterruptedException fail) {
1002	>	AssertionFailedError afe =
1003	>	new AssertionFailedError("Unexpected InterruptedException");
1004	>	afe.initCause(fail);
1005	>	throw afe;
1006	>	}
1007	>	}
1008	>
1009	>	/**
1010	>	* Spin-waits up to the specified number of milliseconds for the given
1011	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1012	>	*/
1013	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1014	>	long startTime = System.nanoTime();
1015	>	for (;;) {
1016	>	Thread.State s = thread.getState();
1017	>	if (s == Thread.State.BLOCKED ||
1018	>	s == Thread.State.WAITING ||
1019	>	s == Thread.State.TIMED_WAITING)
1020	>	return;
1021	>	else if (s == Thread.State.TERMINATED)
1022	>	fail("Unexpected thread termination");
1023	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1024	>	threadAssertTrue(thread.isAlive());
1025	>	return;
1026	>	}
1027	>	Thread.yield();
1028	>	}
1029	>	}
1030	>
1031	>	/**
1032	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1033	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
1034	>	*/
1035	>	void waitForThreadToEnterWaitState(Thread thread) {
1036	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1037	>	}
1038	>
1039	>	/**
1040	>	* Returns the number of milliseconds since time given by
1041	>	* startNanoTime, which must have been previously returned from a
1042	>	* call to {@link System#nanoTime()}.
1043	>	*/
1044	>	static long millisElapsedSince(long startNanoTime) {
1045	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1046	>	}
1047	>
1048	>	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1049	>	//         long startTime = System.nanoTime();
1050	>	//         try {
1051	>	//             r.run();
1052	>	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1053	>	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1054	>	//             throw new AssertionFailedError("did not return promptly");
1055	>	//     }
1056	>
1057	>	//     void assertTerminatesPromptly(Runnable r) {
1058	>	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1059	>	//     }
1060	>
1061	>	/**
1062	>	* Checks that timed f.get() returns the expected value, and does not
1063	>	* wait for the timeout to elapse before returning.
1064		*/
1065	<	void sleepTillInterrupted(long timeoutMillis) {
1065	>	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1066	>	long startTime = System.nanoTime();
1067		try {
1068	<	Thread.sleep(timeoutMillis);
1069	<	} catch (InterruptedException wakeup) {}
1068	>	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1069	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1070	>	if (millisElapsedSince(startTime) > timeoutMillis/2)
1071	>	throw new AssertionFailedError("timed get did not return promptly");
1072	>	}
1073	>
1074	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1075	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1076		}
1077
1078		/**
1079	<	* Returns a new started Thread running the given runnable.
1079	>	* Returns a new started daemon Thread running the given runnable.
1080		*/
1081		Thread newStartedThread(Runnable runnable) {
1082		Thread t = new Thread(runnable);
1083	+	t.setDaemon(true);
1084		t.start();
1085		return t;
1086		}
1087
1088	+	/**
1089	+	* Waits for the specified time (in milliseconds) for the thread
1090	+	* to terminate (using {@link Thread#join(long)}), else interrupts
1091	+	* the thread (in the hope that it may terminate later) and fails.
1092	+	*/
1093	+	void awaitTermination(Thread t, long timeoutMillis) {
1094	+	try {
1095	+	t.join(timeoutMillis);
1096	+	} catch (InterruptedException fail) {
1097	+	threadUnexpectedException(fail);
1098	+	} finally {
1099	+	if (t.getState() != Thread.State.TERMINATED) {
1100	+	t.interrupt();
1101	+	fail("Test timed out");
1102	+	}
1103	+	}
1104	+	}
1105	+
1106	+	/**
1107	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1108	+	* terminate (using {@link Thread#join(long)}), else interrupts
1109	+	* the thread (in the hope that it may terminate later) and fails.
1110	+	*/
1111	+	void awaitTermination(Thread t) {
1112	+	awaitTermination(t, LONG_DELAY_MS);
1113	+	}
1114	+
1115		// Some convenient Runnable classes
1116
1117		public abstract class CheckedRunnable implements Runnable {
#	Line 520 | Line 1120 | public class JSR166TestCase extends Test
1120		public final void run() {
1121		try {
1122		realRun();
1123	<	} catch (Throwable t) {
1124	<	threadUnexpectedException(t);
1123	>	} catch (Throwable fail) {
1124	>	threadUnexpectedException(fail);
1125		}
1126		}
1127		}
#	Line 574 | Line 1174 | public class JSR166TestCase extends Test
1174		realRun();
1175		threadShouldThrow("InterruptedException");
1176		} catch (InterruptedException success) {
1177	<	} catch (Throwable t) {
1178	<	threadUnexpectedException(t);
1177	>	threadAssertFalse(Thread.interrupted());
1178	>	} catch (Throwable fail) {
1179	>	threadUnexpectedException(fail);
1180		}
1181		}
1182		}
#	Line 586 | Line 1187 | public class JSR166TestCase extends Test
1187		public final T call() {
1188		try {
1189		return realCall();
1190	<	} catch (Throwable t) {
1191	<	threadUnexpectedException(t);
1190	>	} catch (Throwable fail) {
1191	>	threadUnexpectedException(fail);
1192	>	return null;
1193		}
592	–	return null;
1194		}
1195		}
1196
1197	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
1197	>	public abstract class CheckedInterruptedCallable<T>
1198	>	implements Callable<T> {
1199		protected abstract T realCall() throws Throwable;
1200
1201		public final T call() {
#	Line 602 | Line 1204 | public class JSR166TestCase extends Test
1204		threadShouldThrow("InterruptedException");
1205		return result;
1206		} catch (InterruptedException success) {
1207	<	} catch (Throwable t) {
1208	<	threadUnexpectedException(t);
1207	>	threadAssertFalse(Thread.interrupted());
1208	>	} catch (Throwable fail) {
1209	>	threadUnexpectedException(fail);
1210		}
1211		return null;
1212		}
#	Line 625 | Line 1228 | public class JSR166TestCase extends Test
1228
1229		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1230		return new CheckedCallable<String>() {
1231	<	public String realCall() {
1231	>	protected String realCall() {
1232		try {
1233		latch.await();
1234		} catch (InterruptedException quittingTime) {}
#	Line 633 | Line 1236 | public class JSR166TestCase extends Test
1236		}};
1237		}
1238
1239	+	public Runnable awaiter(final CountDownLatch latch) {
1240	+	return new CheckedRunnable() {
1241	+	public void realRun() throws InterruptedException {
1242	+	await(latch);
1243	+	}};
1244	+	}
1245	+
1246	+	public void await(CountDownLatch latch) {
1247	+	try {
1248	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1249	+	} catch (Throwable fail) {
1250	+	threadUnexpectedException(fail);
1251	+	}
1252	+	}
1253	+
1254	+	public void await(Semaphore semaphore) {
1255	+	try {
1256	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1257	+	} catch (Throwable fail) {
1258	+	threadUnexpectedException(fail);
1259	+	}
1260	+	}
1261	+
1262	+	//     /**
1263	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1264	+	//      */
1265	+	//     public void await(AtomicBoolean flag) {
1266	+	//         await(flag, LONG_DELAY_MS);
1267	+	//     }
1268	+
1269	+	//     /**
1270	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1271	+	//      */
1272	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1273	+	//         long startTime = System.nanoTime();
1274	+	//         while (!flag.get()) {
1275	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1276	+	//                 throw new AssertionFailedError("timed out");
1277	+	//             Thread.yield();
1278	+	//         }
1279	+	//     }
1280	+
1281		public static class NPETask implements Callable<String> {
1282		public String call() { throw new NullPointerException(); }
1283		}
#	Line 643 | Line 1288 | public class JSR166TestCase extends Test
1288
1289		public class ShortRunnable extends CheckedRunnable {
1290		protected void realRun() throws Throwable {
1291	<	Thread.sleep(SHORT_DELAY_MS);
1291	>	delay(SHORT_DELAY_MS);
1292		}
1293		}
1294
1295		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1296		protected void realRun() throws InterruptedException {
1297	<	Thread.sleep(SHORT_DELAY_MS);
1297	>	delay(SHORT_DELAY_MS);
1298		}
1299		}
1300
1301		public class SmallRunnable extends CheckedRunnable {
1302		protected void realRun() throws Throwable {
1303	<	Thread.sleep(SMALL_DELAY_MS);
1303	>	delay(SMALL_DELAY_MS);
1304		}
1305		}
1306
1307		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1308		protected void realRun() {
1309		try {
1310	<	Thread.sleep(SMALL_DELAY_MS);
1310	>	delay(SMALL_DELAY_MS);
1311		} catch (InterruptedException ok) {}
1312		}
1313		}
1314
1315		public class SmallCallable extends CheckedCallable {
1316		protected Object realCall() throws InterruptedException {
1317	<	Thread.sleep(SMALL_DELAY_MS);
1317	>	delay(SMALL_DELAY_MS);
1318		return Boolean.TRUE;
1319		}
1320		}
1321
677	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
678	–	protected void realRun() throws InterruptedException {
679	–	Thread.sleep(SMALL_DELAY_MS);
680	–	}
681	–	}
682	–
1322		public class MediumRunnable extends CheckedRunnable {
1323		protected void realRun() throws Throwable {
1324	<	Thread.sleep(MEDIUM_DELAY_MS);
1324	>	delay(MEDIUM_DELAY_MS);
1325		}
1326		}
1327
1328		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1329		protected void realRun() throws InterruptedException {
1330	<	Thread.sleep(MEDIUM_DELAY_MS);
1330	>	delay(MEDIUM_DELAY_MS);
1331		}
1332		}
1333
1334	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1335	+	return new CheckedRunnable() {
1336	+	protected void realRun() {
1337	+	try {
1338	+	delay(timeoutMillis);
1339	+	} catch (InterruptedException ok) {}
1340	+	}};
1341	+	}
1342	+
1343		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1344		protected void realRun() {
1345		try {
1346	<	Thread.sleep(MEDIUM_DELAY_MS);
1346	>	delay(MEDIUM_DELAY_MS);
1347		} catch (InterruptedException ok) {}
1348		}
1349		}
#	Line 703 | Line 1351 | public class JSR166TestCase extends Test
1351		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1352		protected void realRun() {
1353		try {
1354	<	Thread.sleep(LONG_DELAY_MS);
1354	>	delay(LONG_DELAY_MS);
1355		} catch (InterruptedException ok) {}
1356		}
1357		}
#	Line 717 | Line 1365 | public class JSR166TestCase extends Test
1365		}
1366		}
1367
1368	+	public interface TrackedRunnable extends Runnable {
1369	+	boolean isDone();
1370	+	}
1371	+
1372	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1373	+	return new TrackedRunnable() {
1374	+	private volatile boolean done = false;
1375	+	public boolean isDone() { return done; }
1376	+	public void run() {
1377	+	try {
1378	+	delay(timeoutMillis);
1379	+	done = true;
1380	+	} catch (InterruptedException ok) {}
1381	+	}
1382	+	};
1383	+	}
1384	+
1385		public static class TrackedShortRunnable implements Runnable {
1386		public volatile boolean done = false;
1387		public void run() {
1388		try {
1389	<	Thread.sleep(SMALL_DELAY_MS);
1389	>	delay(SHORT_DELAY_MS);
1390	>	done = true;
1391	>	} catch (InterruptedException ok) {}
1392	>	}
1393	>	}
1394	>
1395	>	public static class TrackedSmallRunnable implements Runnable {
1396	>	public volatile boolean done = false;
1397	>	public void run() {
1398	>	try {
1399	>	delay(SMALL_DELAY_MS);
1400		done = true;
1401		} catch (InterruptedException ok) {}
1402		}
#	Line 731 | Line 1406 | public class JSR166TestCase extends Test
1406		public volatile boolean done = false;
1407		public void run() {
1408		try {
1409	<	Thread.sleep(MEDIUM_DELAY_MS);
1409	>	delay(MEDIUM_DELAY_MS);
1410		done = true;
1411		} catch (InterruptedException ok) {}
1412		}
#	Line 741 | Line 1416 | public class JSR166TestCase extends Test
1416		public volatile boolean done = false;
1417		public void run() {
1418		try {
1419	<	Thread.sleep(LONG_DELAY_MS);
1419	>	delay(LONG_DELAY_MS);
1420		done = true;
1421		} catch (InterruptedException ok) {}
1422		}
#	Line 758 | Line 1433 | public class JSR166TestCase extends Test
1433		public volatile boolean done = false;
1434		public Object call() {
1435		try {
1436	<	Thread.sleep(SMALL_DELAY_MS);
1436	>	delay(SMALL_DELAY_MS);
1437		done = true;
1438		} catch (InterruptedException ok) {}
1439		return Boolean.TRUE;
1440		}
1441		}
1442
1443	+	/**
1444	+	* Analog of CheckedRunnable for RecursiveAction
1445	+	*/
1446	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1447	+	protected abstract void realCompute() throws Throwable;
1448	+
1449	+	@Override protected final void compute() {
1450	+	try {
1451	+	realCompute();
1452	+	} catch (Throwable fail) {
1453	+	threadUnexpectedException(fail);
1454	+	}
1455	+	}
1456	+	}
1457	+
1458	+	/**
1459	+	* Analog of CheckedCallable for RecursiveTask
1460	+	*/
1461	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1462	+	protected abstract T realCompute() throws Throwable;
1463	+
1464	+	@Override protected final T compute() {
1465	+	try {
1466	+	return realCompute();
1467	+	} catch (Throwable fail) {
1468	+	threadUnexpectedException(fail);
1469	+	return null;
1470	+	}
1471	+	}
1472	+	}
1473
1474		/**
1475		* For use as RejectedExecutionHandler in constructors
#	Line 774 | Line 1479 | public class JSR166TestCase extends Test
1479		ThreadPoolExecutor executor) {}
1480		}
1481
1482	+	/**
1483	+	* A CyclicBarrier that uses timed await and fails with
1484	+	* AssertionFailedErrors instead of throwing checked exceptions.
1485	+	*/
1486	+	public class CheckedBarrier extends CyclicBarrier {
1487	+	public CheckedBarrier(int parties) { super(parties); }
1488	+
1489	+	public int await() {
1490	+	try {
1491	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1492	+	} catch (TimeoutException timedOut) {
1493	+	throw new AssertionFailedError("timed out");
1494	+	} catch (Exception fail) {
1495	+	AssertionFailedError afe =
1496	+	new AssertionFailedError("Unexpected exception: " + fail);
1497	+	afe.initCause(fail);
1498	+	throw afe;
1499	+	}
1500	+	}
1501	+	}
1502	+
1503	+	void checkEmpty(BlockingQueue q) {
1504	+	try {
1505	+	assertTrue(q.isEmpty());
1506	+	assertEquals(0, q.size());
1507	+	assertNull(q.peek());
1508	+	assertNull(q.poll());
1509	+	assertNull(q.poll(0, MILLISECONDS));
1510	+	assertEquals(q.toString(), "[]");
1511	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1512	+	assertFalse(q.iterator().hasNext());
1513	+	try {
1514	+	q.element();
1515	+	shouldThrow();
1516	+	} catch (NoSuchElementException success) {}
1517	+	try {
1518	+	q.iterator().next();
1519	+	shouldThrow();
1520	+	} catch (NoSuchElementException success) {}
1521	+	try {
1522	+	q.remove();
1523	+	shouldThrow();
1524	+	} catch (NoSuchElementException success) {}
1525	+	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1526	+	}
1527	+
1528	+	void assertSerialEquals(Object x, Object y) {
1529	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1530	+	}
1531	+
1532	+	void assertNotSerialEquals(Object x, Object y) {
1533	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1534	+	}
1535	+
1536	+	byte[] serialBytes(Object o) {
1537	+	try {
1538	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1539	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1540	+	oos.writeObject(o);
1541	+	oos.flush();
1542	+	oos.close();
1543	+	return bos.toByteArray();
1544	+	} catch (Throwable fail) {
1545	+	threadUnexpectedException(fail);
1546	+	return new byte[0];
1547	+	}
1548	+	}
1549	+
1550	+	@SuppressWarnings("unchecked")
1551	+	<T> T serialClone(T o) {
1552	+	try {
1553	+	ObjectInputStream ois = new ObjectInputStream
1554	+	(new ByteArrayInputStream(serialBytes(o)));
1555	+	T clone = (T) ois.readObject();
1556	+	assertSame(o.getClass(), clone.getClass());
1557	+	return clone;
1558	+	} catch (Throwable fail) {
1559	+	threadUnexpectedException(fail);
1560	+	return null;
1561	+	}
1562	+	}
1563	+
1564	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1565	+	Runnable... throwingActions) {
1566	+	for (Runnable throwingAction : throwingActions) {
1567	+	boolean threw = false;
1568	+	try { throwingAction.run(); }
1569	+	catch (Throwable t) {
1570	+	threw = true;
1571	+	if (!expectedExceptionClass.isInstance(t)) {
1572	+	AssertionFailedError afe =
1573	+	new AssertionFailedError
1574	+	("Expected " + expectedExceptionClass.getName() +
1575	+	", got " + t.getClass().getName());
1576	+	afe.initCause(t);
1577	+	threadUnexpectedException(afe);
1578	+	}
1579	+	}
1580	+	if (!threw)
1581	+	shouldThrow(expectedExceptionClass.getName());
1582	+	}
1583	+	}
1584	+
1585	+	public void assertIteratorExhausted(Iterator<?> it) {
1586	+	try {
1587	+	it.next();
1588	+	shouldThrow();
1589	+	} catch (NoSuchElementException success) {}
1590	+	assertFalse(it.hasNext());
1591	+	}
1592		}

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