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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.50 by jsr166, Wed Aug 25 21:40:03 2010 UTC vs.
Revision 1.114 by jsr166, Tue Sep 17 06:38:36 2013 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.*;
10	>	import java.io.ByteArrayInputStream;
11	>	import java.io.ByteArrayOutputStream;
12	>	import java.io.ObjectInputStream;
13	>	import java.io.ObjectOutputStream;
14	>	import java.lang.management.ManagementFactory;
15	>	import java.lang.management.ThreadInfo;
16	>	import java.lang.reflect.Method;
17	>	import java.util.ArrayList;
18	>	import java.util.Arrays;
19	>	import java.util.Date;
20	>	import java.util.Enumeration;
21	>	import java.util.List;
22	>	import java.util.NoSuchElementException;
23	>	import java.util.PropertyPermission;
24		import java.util.concurrent.*;
25	+	import java.util.concurrent.atomic.AtomicBoolean;
26	+	import java.util.concurrent.atomic.AtomicReference;
27		import static java.util.concurrent.TimeUnit.MILLISECONDS;
28	<	import java.io.*;
29	<	import java.security.*;
28	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
29	>	import java.util.regex.Pattern;
30	>	import java.security.CodeSource;
31	>	import java.security.Permission;
32	>	import java.security.PermissionCollection;
33	>	import java.security.Permissions;
34	>	import java.security.Policy;
35	>	import java.security.ProtectionDomain;
36	>	import java.security.SecurityPermission;
37
38		/**
39		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 36 | Line 58 | import java.security.*;
58		* them. These methods are used to clear and check for thread
59		* assertion failures.</li>
60		*
61	<	* <li>All delays and timeouts must use one of the constants {@code
61	>	* <li>All delays and timeouts must use one of the constants {@code
62		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
63		* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
64		* discriminable from zero time, and always allows enough time for the
#	Line 54 | Line 76 | import java.security.*;
76		*
77		* </ol>
78		*
79	<	* <p> <b>Other notes</b>
79	>	* <p><b>Other notes</b>
80		* <ul>
81		*
82		* <li> Usually, there is one testcase method per JSR166 method
#	Line 90 | Line 112 | public class JSR166TestCase extends Test
112		private static final boolean useSecurityManager =
113		Boolean.getBoolean("jsr166.useSecurityManager");
114
115	+	protected static final boolean expensiveTests =
116	+	Boolean.getBoolean("jsr166.expensiveTests");
117	+
118	+	/**
119	+	* If true, report on stdout all "slow" tests, that is, ones that
120	+	* take more than profileThreshold milliseconds to execute.
121	+	*/
122	+	private static final boolean profileTests =
123	+	Boolean.getBoolean("jsr166.profileTests");
124	+
125	+	/**
126	+	* The number of milliseconds that tests are permitted for
127	+	* execution without being reported, when profileTests is set.
128	+	*/
129	+	private static final long profileThreshold =
130	+	Long.getLong("jsr166.profileThreshold", 100);
131	+
132	+	/**
133	+	* The number of repetitions per test (for tickling rare bugs).
134	+	*/
135	+	private static final int runsPerTest =
136	+	Integer.getInteger("jsr166.runsPerTest", 1);
137	+
138	+	/**
139	+	* A filter for tests to run, matching strings of the form
140	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
141	+	* Usefully combined with jsr166.runsPerTest.
142	+	*/
143	+	private static final Pattern methodFilter = methodFilter();
144	+
145	+	private static Pattern methodFilter() {
146	+	String regex = System.getProperty("jsr166.methodFilter");
147	+	return (regex == null) ? null : Pattern.compile(regex);
148	+	}
149	+
150	+	protected void runTest() throws Throwable {
151	+	if (methodFilter == null
152	+	|| methodFilter.matcher(toString()).find()) {
153	+	for (int i = 0; i < runsPerTest; i++) {
154	+	if (profileTests)
155	+	runTestProfiled();
156	+	else
157	+	super.runTest();
158	+	}
159	+	}
160	+	}
161	+
162	+	protected void runTestProfiled() throws Throwable {
163	+	long t0 = System.nanoTime();
164	+	try {
165	+	super.runTest();
166	+	} finally {
167	+	long elapsedMillis =
168	+	(System.nanoTime() - t0) / (1000L * 1000L);
169	+	if (elapsedMillis >= profileThreshold)
170	+	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
171	+	}
172	+	}
173	+
174		/**
175	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
175	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
176	>	* Optional command line arg provides the number of iterations to
177	>	* repeat running the tests.
178		*/
179		public static void main(String[] args) {
180		if (useSecurityManager) {
#	Line 99 | Line 182 | public class JSR166TestCase extends Test
182		Policy.setPolicy(permissivePolicy());
183		System.setSecurityManager(new SecurityManager());
184		}
185	<	int iters = 1;
186	<	if (args.length > 0)
104	<	iters = Integer.parseInt(args[0]);
185	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
186	>
187		Test s = suite();
188		for (int i = 0; i < iters; ++i) {
189		junit.textui.TestRunner.run(s);
#	Line 111 | Line 193 | public class JSR166TestCase extends Test
193		System.exit(0);
194		}
195
196	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
197	+	TestSuite suite = new TestSuite();
198	+	for (Object suiteOrClass : suiteOrClasses) {
199	+	if (suiteOrClass instanceof TestSuite)
200	+	suite.addTest((TestSuite) suiteOrClass);
201	+	else if (suiteOrClass instanceof Class)
202	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
203	+	else
204	+	throw new ClassCastException("not a test suite or class");
205	+	}
206	+	return suite;
207	+	}
208	+
209	+	public static void addNamedTestClasses(TestSuite suite,
210	+	String... testClassNames) {
211	+	for (String testClassName : testClassNames) {
212	+	try {
213	+	Class<?> testClass = Class.forName(testClassName);
214	+	Method m = testClass.getDeclaredMethod("suite",
215	+	new Class<?>[0]);
216	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
217	+	} catch (Exception e) {
218	+	throw new Error("Missing test class", e);
219	+	}
220	+	}
221	+	}
222	+
223	+	public static final double JAVA_CLASS_VERSION;
224	+	static {
225	+	try {
226	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
227	+	new java.security.PrivilegedAction<Double>() {
228	+	public Double run() {
229	+	return Double.valueOf(System.getProperty("java.class.version"));}});
230	+	} catch (Throwable t) {
231	+	throw new Error(t);
232	+	}
233	+	}
234	+
235	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
236	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
237	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
238	+
239		/**
240	<	* Collects all JSR166 unit tests as one suite
240	>	* Collects all JSR166 unit tests as one suite.
241		*/
242		public static Test suite() {
243	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
244	<
245	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
246	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
247	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
248	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
249	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
250	<	suite.addTest(new TestSuite(PhaserTest.class));
251	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
252	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
253	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
254	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
255	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
256	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
257	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
258	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
259	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
260	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
261	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
262	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
263	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
264	<	suite.addTest(new TestSuite(AtomicLongTest.class));
265	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
266	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
267	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
268	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
269	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
270	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
271	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
272	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
273	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
274	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
275	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
276	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
277	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
278	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
279	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
280	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
281	<	suite.addTest(new TestSuite(DelayQueueTest.class));
282	<	suite.addTest(new TestSuite(EntryTest.class));
283	<	suite.addTest(new TestSuite(ExchangerTest.class));
284	<	suite.addTest(new TestSuite(ExecutorsTest.class));
285	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
286	<	suite.addTest(new TestSuite(FutureTaskTest.class));
287	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
288	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
289	<	suite.addTest(new TestSuite(LinkedListTest.class));
290	<	suite.addTest(new TestSuite(LockSupportTest.class));
291	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
292	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
293	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
294	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
295	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
296	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
297	<	suite.addTest(new TestSuite(SemaphoreTest.class));
298	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
299	<	suite.addTest(new TestSuite(SystemTest.class));
300	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
301	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
302	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
303	<	suite.addTest(new TestSuite(ThreadTest.class));
304	<	suite.addTest(new TestSuite(TimeUnitTest.class));
305	<	suite.addTest(new TestSuite(TreeMapTest.class));
306	<	suite.addTest(new TestSuite(TreeSetTest.class));
307	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
308	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
243	>	// Java7+ test classes
244	>	TestSuite suite = newTestSuite(
245	>	ForkJoinPoolTest.suite(),
246	>	ForkJoinTaskTest.suite(),
247	>	RecursiveActionTest.suite(),
248	>	RecursiveTaskTest.suite(),
249	>	LinkedTransferQueueTest.suite(),
250	>	PhaserTest.suite(),
251	>	ThreadLocalRandomTest.suite(),
252	>	AbstractExecutorServiceTest.suite(),
253	>	AbstractQueueTest.suite(),
254	>	AbstractQueuedSynchronizerTest.suite(),
255	>	AbstractQueuedLongSynchronizerTest.suite(),
256	>	ArrayBlockingQueueTest.suite(),
257	>	ArrayDequeTest.suite(),
258	>	AtomicBooleanTest.suite(),
259	>	AtomicIntegerArrayTest.suite(),
260	>	AtomicIntegerFieldUpdaterTest.suite(),
261	>	AtomicIntegerTest.suite(),
262	>	AtomicLongArrayTest.suite(),
263	>	AtomicLongFieldUpdaterTest.suite(),
264	>	AtomicLongTest.suite(),
265	>	AtomicMarkableReferenceTest.suite(),
266	>	AtomicReferenceArrayTest.suite(),
267	>	AtomicReferenceFieldUpdaterTest.suite(),
268	>	AtomicReferenceTest.suite(),
269	>	AtomicStampedReferenceTest.suite(),
270	>	ConcurrentHashMapTest.suite(),
271	>	ConcurrentLinkedDequeTest.suite(),
272	>	ConcurrentLinkedQueueTest.suite(),
273	>	ConcurrentSkipListMapTest.suite(),
274	>	ConcurrentSkipListSubMapTest.suite(),
275	>	ConcurrentSkipListSetTest.suite(),
276	>	ConcurrentSkipListSubSetTest.suite(),
277	>	CopyOnWriteArrayListTest.suite(),
278	>	CopyOnWriteArraySetTest.suite(),
279	>	CountDownLatchTest.suite(),
280	>	CyclicBarrierTest.suite(),
281	>	DelayQueueTest.suite(),
282	>	EntryTest.suite(),
283	>	ExchangerTest.suite(),
284	>	ExecutorsTest.suite(),
285	>	ExecutorCompletionServiceTest.suite(),
286	>	FutureTaskTest.suite(),
287	>	LinkedBlockingDequeTest.suite(),
288	>	LinkedBlockingQueueTest.suite(),
289	>	LinkedListTest.suite(),
290	>	LockSupportTest.suite(),
291	>	PriorityBlockingQueueTest.suite(),
292	>	PriorityQueueTest.suite(),
293	>	ReentrantLockTest.suite(),
294	>	ReentrantReadWriteLockTest.suite(),
295	>	ScheduledExecutorTest.suite(),
296	>	ScheduledExecutorSubclassTest.suite(),
297	>	SemaphoreTest.suite(),
298	>	SynchronousQueueTest.suite(),
299	>	SystemTest.suite(),
300	>	ThreadLocalTest.suite(),
301	>	ThreadPoolExecutorTest.suite(),
302	>	ThreadPoolExecutorSubclassTest.suite(),
303	>	ThreadTest.suite(),
304	>	TimeUnitTest.suite(),
305	>	TreeMapTest.suite(),
306	>	TreeSetTest.suite(),
307	>	TreeSubMapTest.suite(),
308	>	TreeSubSetTest.suite());
309	>
310	>	// Java8+ test classes
311	>	if (atLeastJava8()) {
312	>	String[] java8TestClassNames = {
313	>	"Atomic8Test",
314	>	"CompletableFutureTest",
315	>	"ConcurrentHashMap8Test",
316	>	"CountedCompleterTest",
317	>	"DoubleAccumulatorTest",
318	>	"DoubleAdderTest",
319	>	"ForkJoinPool8Test",
320	>	"ForkJoinTask8Test",
321	>	"LongAccumulatorTest",
322	>	"LongAdderTest",
323	>	"SplittableRandomTest",
324	>	"StampedLockTest",
325	>	"ThreadLocalRandom8Test",
326	>	};
327	>	addNamedTestClasses(suite, java8TestClassNames);
328	>	}
329
330		return suite;
331		}
332
333	+	// Delays for timing-dependent tests, in milliseconds.
334
335		public static long SHORT_DELAY_MS;
336		public static long SMALL_DELAY_MS;
337		public static long MEDIUM_DELAY_MS;
338		public static long LONG_DELAY_MS;
339
194	–
340		/**
341		* Returns the shortest timed delay. This could
342		* be reimplemented to use for example a Property.
#	Line 200 | Line 345 | public class JSR166TestCase extends Test
345		return 50;
346		}
347
203	–
348		/**
349		* Sets delays as multiples of SHORT_DELAY.
350		*/
351		protected void setDelays() {
352		SHORT_DELAY_MS = getShortDelay();
353	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
353	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
354		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
355	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
355	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
356		}
357
358		/**
359	<	* Flag set true if any threadAssert methods fail
359	>	* Returns a timeout in milliseconds to be used in tests that
360	>	* verify that operations block or time out.
361		*/
362	<	volatile boolean threadFailed;
362	>	long timeoutMillis() {
363	>	return SHORT_DELAY_MS / 4;
364	>	}
365
366		/**
367	<	* Initializes test to indicate that no thread assertions have failed
367	>	* Returns a new Date instance representing a time delayMillis
368	>	* milliseconds in the future.
369		*/
370	+	Date delayedDate(long delayMillis) {
371	+	return new Date(System.currentTimeMillis() + delayMillis);
372	+	}
373	+
374	+	/**
375	+	* The first exception encountered if any threadAssertXXX method fails.
376	+	*/
377	+	private final AtomicReference<Throwable> threadFailure
378	+	= new AtomicReference<Throwable>(null);
379	+
380	+	/**
381	+	* Records an exception so that it can be rethrown later in the test
382	+	* harness thread, triggering a test case failure.  Only the first
383	+	* failure is recorded; subsequent calls to this method from within
384	+	* the same test have no effect.
385	+	*/
386	+	public void threadRecordFailure(Throwable t) {
387	+	threadFailure.compareAndSet(null, t);
388	+	}
389	+
390		public void setUp() {
391		setDelays();
224	–	threadFailed = false;
392		}
393
394		/**
395	<	* Triggers test case failure if any thread assertions have failed
395	>	* Extra checks that get done for all test cases.
396	>	*
397	>	* Triggers test case failure if any thread assertions have failed,
398	>	* by rethrowing, in the test harness thread, any exception recorded
399	>	* earlier by threadRecordFailure.
400	>	*
401	>	* Triggers test case failure if interrupt status is set in the main thread.
402	>	*/
403	>	public void tearDown() throws Exception {
404	>	Throwable t = threadFailure.getAndSet(null);
405	>	if (t != null) {
406	>	if (t instanceof Error)
407	>	throw (Error) t;
408	>	else if (t instanceof RuntimeException)
409	>	throw (RuntimeException) t;
410	>	else if (t instanceof Exception)
411	>	throw (Exception) t;
412	>	else {
413	>	AssertionFailedError afe =
414	>	new AssertionFailedError(t.toString());
415	>	afe.initCause(t);
416	>	throw afe;
417	>	}
418	>	}
419	>
420	>	if (Thread.interrupted())
421	>	throw new AssertionFailedError("interrupt status set in main thread");
422	>
423	>	checkForkJoinPoolThreadLeaks();
424	>	}
425	>
426	>	/**
427	>	* Find missing try { ... } finally { joinPool(e); }
428		*/
429	<	public void tearDown() {
430	<	assertFalse(threadFailed);
429	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
430	>	Thread[] survivors = new Thread[5];
431	>	int count = Thread.enumerate(survivors);
432	>	for (int i = 0; i < count; i++) {
433	>	Thread thread = survivors[i];
434	>	String name = thread.getName();
435	>	if (name.startsWith("ForkJoinPool-")) {
436	>	// give thread some time to terminate
437	>	thread.join(LONG_DELAY_MS);
438	>	if (!thread.isAlive()) continue;
439	>	thread.stop();
440	>	throw new AssertionFailedError
441	>	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
442	>	toString(), name));
443	>	}
444	>	}
445		}
446
447		/**
448	<	* Fail, also setting status to indicate current testcase should fail
448	>	* Just like fail(reason), but additionally recording (using
449	>	* threadRecordFailure) any AssertionFailedError thrown, so that
450	>	* the current testcase will fail.
451		*/
452		public void threadFail(String reason) {
453	<	threadFailed = true;
454	<	fail(reason);
453	>	try {
454	>	fail(reason);
455	>	} catch (AssertionFailedError t) {
456	>	threadRecordFailure(t);
457	>	fail(reason);
458	>	}
459		}
460
461		/**
462	<	* If expression not true, set status to indicate current testcase
463	<	* should fail
462	>	* Just like assertTrue(b), but additionally recording (using
463	>	* threadRecordFailure) any AssertionFailedError thrown, so that
464	>	* the current testcase will fail.
465		*/
466		public void threadAssertTrue(boolean b) {
467	<	if (!b) {
248	<	threadFailed = true;
467	>	try {
468		assertTrue(b);
469	+	} catch (AssertionFailedError t) {
470	+	threadRecordFailure(t);
471	+	throw t;
472		}
473		}
474
475		/**
476	<	* If expression not false, set status to indicate current testcase
477	<	* should fail
476	>	* Just like assertFalse(b), but additionally recording (using
477	>	* threadRecordFailure) any AssertionFailedError thrown, so that
478	>	* the current testcase will fail.
479		*/
480		public void threadAssertFalse(boolean b) {
481	<	if (b) {
259	<	threadFailed = true;
481	>	try {
482		assertFalse(b);
483	+	} catch (AssertionFailedError t) {
484	+	threadRecordFailure(t);
485	+	throw t;
486		}
487		}
488
489		/**
490	<	* If argument not null, set status to indicate current testcase
491	<	* should fail
490	>	* Just like assertNull(x), but additionally recording (using
491	>	* threadRecordFailure) any AssertionFailedError thrown, so that
492	>	* the current testcase will fail.
493		*/
494		public void threadAssertNull(Object x) {
495	<	if (x != null) {
270	<	threadFailed = true;
495	>	try {
496		assertNull(x);
497	+	} catch (AssertionFailedError t) {
498	+	threadRecordFailure(t);
499	+	throw t;
500		}
501		}
502
503		/**
504	<	* If arguments not equal, set status to indicate current testcase
505	<	* should fail
504	>	* Just like assertEquals(x, y), but additionally recording (using
505	>	* threadRecordFailure) any AssertionFailedError thrown, so that
506	>	* the current testcase will fail.
507		*/
508		public void threadAssertEquals(long x, long y) {
509	<	if (x != y) {
281	<	threadFailed = true;
509	>	try {
510		assertEquals(x, y);
511	+	} catch (AssertionFailedError t) {
512	+	threadRecordFailure(t);
513	+	throw t;
514		}
515		}
516
517		/**
518	<	* If arguments not equal, set status to indicate current testcase
519	<	* should fail
518	>	* Just like assertEquals(x, y), but additionally recording (using
519	>	* threadRecordFailure) any AssertionFailedError thrown, so that
520	>	* the current testcase will fail.
521		*/
522		public void threadAssertEquals(Object x, Object y) {
523	<	if (x != y && (x == null || !x.equals(y))) {
292	<	threadFailed = true;
523	>	try {
524		assertEquals(x, y);
525	+	} catch (AssertionFailedError t) {
526	+	threadRecordFailure(t);
527	+	throw t;
528	+	} catch (Throwable t) {
529	+	threadUnexpectedException(t);
530	+	}
531	+	}
532	+
533	+	/**
534	+	* Just like assertSame(x, y), but additionally recording (using
535	+	* threadRecordFailure) any AssertionFailedError thrown, so that
536	+	* the current testcase will fail.
537	+	*/
538	+	public void threadAssertSame(Object x, Object y) {
539	+	try {
540	+	assertSame(x, y);
541	+	} catch (AssertionFailedError t) {
542	+	threadRecordFailure(t);
543	+	throw t;
544		}
545		}
546
547		/**
548	<	* threadFail with message "should throw exception"
548	>	* Calls threadFail with message "should throw exception".
549		*/
550		public void threadShouldThrow() {
551	<	threadFailed = true;
302	<	fail("should throw exception");
551	>	threadFail("should throw exception");
552		}
553
554		/**
555	<	* threadFail with message "should throw" + exceptionName
555	>	* Calls threadFail with message "should throw" + exceptionName.
556		*/
557		public void threadShouldThrow(String exceptionName) {
558	<	threadFailed = true;
310	<	fail("should throw " + exceptionName);
558	>	threadFail("should throw " + exceptionName);
559		}
560
561		/**
562	<	* threadFail with message "Unexpected exception"
562	>	* Records the given exception using {@link #threadRecordFailure},
563	>	* then rethrows the exception, wrapping it in an
564	>	* AssertionFailedError if necessary.
565		*/
566	<	public void threadUnexpectedException() {
567	<	threadFailed = true;
568	<	fail("Unexpected exception");
566	>	public void threadUnexpectedException(Throwable t) {
567	>	threadRecordFailure(t);
568	>	t.printStackTrace();
569	>	if (t instanceof RuntimeException)
570	>	throw (RuntimeException) t;
571	>	else if (t instanceof Error)
572	>	throw (Error) t;
573	>	else {
574	>	AssertionFailedError afe =
575	>	new AssertionFailedError("unexpected exception: " + t);
576	>	afe.initCause(t);
577	>	throw afe;
578	>	}
579		}
580
581		/**
582	<	* threadFail with message "Unexpected exception", with argument
582	>	* Delays, via Thread.sleep, for the given millisecond delay, but
583	>	* if the sleep is shorter than specified, may re-sleep or yield
584	>	* until time elapses.
585		*/
586	<	public void threadUnexpectedException(Throwable ex) {
587	<	threadFailed = true;
588	<	ex.printStackTrace();
589	<	fail("Unexpected exception: " + ex);
586	>	static void delay(long millis) throws InterruptedException {
587	>	long startTime = System.nanoTime();
588	>	long ns = millis * 1000 * 1000;
589	>	for (;;) {
590	>	if (millis > 0L)
591	>	Thread.sleep(millis);
592	>	else // too short to sleep
593	>	Thread.yield();
594	>	long d = ns - (System.nanoTime() - startTime);
595	>	if (d > 0L)
596	>	millis = d / (1000 * 1000);
597	>	else
598	>	break;
599	>	}
600		}
601
602		/**
603	<	* Wait out termination of a thread pool or fail doing so
603	>	* Waits out termination of a thread pool or fails doing so.
604		*/
605	<	public void joinPool(ExecutorService exec) {
605	>	void joinPool(ExecutorService exec) {
606		try {
607		exec.shutdown();
608	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
608	>	assertTrue("ExecutorService did not terminate in a timely manner",
609	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
610		} catch (SecurityException ok) {
611		// Allowed in case test doesn't have privs
612		} catch (InterruptedException ie) {
#	Line 341 | Line 614 | public class JSR166TestCase extends Test
614		}
615		}
616
617	+	/**
618	+	* A debugging tool to print all stack traces, as jstack does.
619	+	*/
620	+	static void printAllStackTraces() {
621	+	for (ThreadInfo info :
622	+	ManagementFactory.getThreadMXBean()
623	+	.dumpAllThreads(true, true))
624	+	System.err.print(info);
625	+	}
626
627		/**
628	<	* fail with message "should throw exception"
628	>	* Checks that thread does not terminate within the default
629	>	* millisecond delay of {@code timeoutMillis()}.
630		*/
631	<	public void shouldThrow() {
632	<	fail("Should throw exception");
631	>	void assertThreadStaysAlive(Thread thread) {
632	>	assertThreadStaysAlive(thread, timeoutMillis());
633		}
634
635		/**
636	<	* fail with message "should throw " + exceptionName
636	>	* Checks that thread does not terminate within the given millisecond delay.
637		*/
638	<	public void shouldThrow(String exceptionName) {
639	<	fail("Should throw " + exceptionName);
638	>	void assertThreadStaysAlive(Thread thread, long millis) {
639	>	try {
640	>	// No need to optimize the failing case via Thread.join.
641	>	delay(millis);
642	>	assertTrue(thread.isAlive());
643	>	} catch (InterruptedException ie) {
644	>	fail("Unexpected InterruptedException");
645	>	}
646	>	}
647	>
648	>	/**
649	>	* Checks that the threads do not terminate within the default
650	>	* millisecond delay of {@code timeoutMillis()}.
651	>	*/
652	>	void assertThreadsStayAlive(Thread... threads) {
653	>	assertThreadsStayAlive(timeoutMillis(), threads);
654		}
655
656		/**
657	<	* fail with message "Unexpected exception"
657	>	* Checks that the threads do not terminate within the given millisecond delay.
658		*/
659	<	public void unexpectedException() {
660	<	fail("Unexpected exception");
659	>	void assertThreadsStayAlive(long millis, Thread... threads) {
660	>	try {
661	>	// No need to optimize the failing case via Thread.join.
662	>	delay(millis);
663	>	for (Thread thread : threads)
664	>	assertTrue(thread.isAlive());
665	>	} catch (InterruptedException ie) {
666	>	fail("Unexpected InterruptedException");
667	>	}
668		}
669
670		/**
671	<	* fail with message "Unexpected exception", with argument
671	>	* Checks that future.get times out, with the default timeout of
672	>	* {@code timeoutMillis()}.
673		*/
674	<	public void unexpectedException(Throwable ex) {
675	<	ex.printStackTrace();
371	<	fail("Unexpected exception: " + ex);
674	>	void assertFutureTimesOut(Future future) {
675	>	assertFutureTimesOut(future, timeoutMillis());
676		}
677
678	+	/**
679	+	* Checks that future.get times out, with the given millisecond timeout.
680	+	*/
681	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
682	+	long startTime = System.nanoTime();
683	+	try {
684	+	future.get(timeoutMillis, MILLISECONDS);
685	+	shouldThrow();
686	+	} catch (TimeoutException success) {
687	+	} catch (Exception e) {
688	+	threadUnexpectedException(e);
689	+	} finally { future.cancel(true); }
690	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
691	+	}
692	+
693	+	/**
694	+	* Fails with message "should throw exception".
695	+	*/
696	+	public void shouldThrow() {
697	+	fail("Should throw exception");
698	+	}
699	+
700	+	/**
701	+	* Fails with message "should throw " + exceptionName.
702	+	*/
703	+	public void shouldThrow(String exceptionName) {
704	+	fail("Should throw " + exceptionName);
705	+	}
706
707		/**
708		* The number of elements to place in collections, arrays, etc.
#	Line 397 | Line 729 | public class JSR166TestCase extends Test
729		public static final Integer m6  = new Integer(-6);
730		public static final Integer m10 = new Integer(-10);
731
400	–
732		/**
733		* Runs Runnable r with a security policy that permits precisely
734		* the specified permissions.  If there is no current security
#	Line 409 | Line 740 | public class JSR166TestCase extends Test
740		SecurityManager sm = System.getSecurityManager();
741		if (sm == null) {
742		r.run();
743	+	}
744	+	runWithSecurityManagerWithPermissions(r, permissions);
745	+	}
746	+
747	+	/**
748	+	* Runs Runnable r with a security policy that permits precisely
749	+	* the specified permissions.  If there is no current security
750	+	* manager, a temporary one is set for the duration of the
751	+	* Runnable.  We require that any security manager permit
752	+	* getPolicy/setPolicy.
753	+	*/
754	+	public void runWithSecurityManagerWithPermissions(Runnable r,
755	+	Permission... permissions) {
756	+	SecurityManager sm = System.getSecurityManager();
757	+	if (sm == null) {
758		Policy savedPolicy = Policy.getPolicy();
759		try {
760		Policy.setPolicy(permissivePolicy());
761		System.setSecurityManager(new SecurityManager());
762	<	runWithPermissions(r, permissions);
762	>	runWithSecurityManagerWithPermissions(r, permissions);
763		} finally {
764		System.setSecurityManager(null);
765		Policy.setPolicy(savedPolicy);
#	Line 461 | Line 807 | public class JSR166TestCase extends Test
807		return perms.implies(p);
808		}
809		public void refresh() {}
810	+	public String toString() {
811	+	List<Permission> ps = new ArrayList<Permission>();
812	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
813	+	ps.add(e.nextElement());
814	+	return "AdjustablePolicy with permissions " + ps;
815	+	}
816		}
817
818		/**
#	Line 483 | Line 835 | public class JSR166TestCase extends Test
835		}
836
837		/**
838	<	* Sleep until the timeout has elapsed, or interrupted.
839	<	* Does <em>NOT</em> throw InterruptedException.
838	>	* Sleeps until the given time has elapsed.
839	>	* Throws AssertionFailedError if interrupted.
840		*/
841	<	void sleepTillInterrupted(long timeoutMillis) {
841	>	void sleep(long millis) {
842		try {
843	<	Thread.sleep(timeoutMillis);
844	<	} catch (InterruptedException wakeup) {}
843	>	delay(millis);
844	>	} catch (InterruptedException ie) {
845	>	AssertionFailedError afe =
846	>	new AssertionFailedError("Unexpected InterruptedException");
847	>	afe.initCause(ie);
848	>	throw afe;
849	>	}
850	>	}
851	>
852	>	/**
853	>	* Spin-waits up to the specified number of milliseconds for the given
854	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
855	>	*/
856	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
857	>	long startTime = System.nanoTime();
858	>	for (;;) {
859	>	Thread.State s = thread.getState();
860	>	if (s == Thread.State.BLOCKED ||
861	>	s == Thread.State.WAITING ||
862	>	s == Thread.State.TIMED_WAITING)
863	>	return;
864	>	else if (s == Thread.State.TERMINATED)
865	>	fail("Unexpected thread termination");
866	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
867	>	threadAssertTrue(thread.isAlive());
868	>	return;
869	>	}
870	>	Thread.yield();
871	>	}
872	>	}
873	>
874	>	/**
875	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
876	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
877	>	*/
878	>	void waitForThreadToEnterWaitState(Thread thread) {
879	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
880	>	}
881	>
882	>	/**
883	>	* Returns the number of milliseconds since time given by
884	>	* startNanoTime, which must have been previously returned from a
885	>	* call to {@link System.nanoTime()}.
886	>	*/
887	>	long millisElapsedSince(long startNanoTime) {
888	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
889		}
890
891		/**
892	<	* Returns a new started Thread running the given runnable.
892	>	* Returns a new started daemon Thread running the given runnable.
893		*/
894		Thread newStartedThread(Runnable runnable) {
895		Thread t = new Thread(runnable);
896	+	t.setDaemon(true);
897		t.start();
898		return t;
899		}
900
901	+	/**
902	+	* Waits for the specified time (in milliseconds) for the thread
903	+	* to terminate (using {@link Thread#join(long)}), else interrupts
904	+	* the thread (in the hope that it may terminate later) and fails.
905	+	*/
906	+	void awaitTermination(Thread t, long timeoutMillis) {
907	+	try {
908	+	t.join(timeoutMillis);
909	+	} catch (InterruptedException ie) {
910	+	threadUnexpectedException(ie);
911	+	} finally {
912	+	if (t.getState() != Thread.State.TERMINATED) {
913	+	t.interrupt();
914	+	fail("Test timed out");
915	+	}
916	+	}
917	+	}
918	+
919	+	/**
920	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
921	+	* terminate (using {@link Thread#join(long)}), else interrupts
922	+	* the thread (in the hope that it may terminate later) and fails.
923	+	*/
924	+	void awaitTermination(Thread t) {
925	+	awaitTermination(t, LONG_DELAY_MS);
926	+	}
927	+
928		// Some convenient Runnable classes
929
930		public abstract class CheckedRunnable implements Runnable {
#	Line 563 | Line 987 | public class JSR166TestCase extends Test
987		realRun();
988		threadShouldThrow("InterruptedException");
989		} catch (InterruptedException success) {
990	+	threadAssertFalse(Thread.interrupted());
991		} catch (Throwable t) {
992		threadUnexpectedException(t);
993		}
#	Line 577 | Line 1002 | public class JSR166TestCase extends Test
1002		return realCall();
1003		} catch (Throwable t) {
1004		threadUnexpectedException(t);
1005	+	return null;
1006		}
581	–	return null;
1007		}
1008		}
1009
1010	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
1010	>	public abstract class CheckedInterruptedCallable<T>
1011	>	implements Callable<T> {
1012		protected abstract T realCall() throws Throwable;
1013
1014		public final T call() {
#	Line 591 | Line 1017 | public class JSR166TestCase extends Test
1017		threadShouldThrow("InterruptedException");
1018		return result;
1019		} catch (InterruptedException success) {
1020	+	threadAssertFalse(Thread.interrupted());
1021		} catch (Throwable t) {
1022		threadUnexpectedException(t);
1023		}
#	Line 614 | Line 1041 | public class JSR166TestCase extends Test
1041
1042		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1043		return new CheckedCallable<String>() {
1044	<	public String realCall() {
1044	>	protected String realCall() {
1045		try {
1046		latch.await();
1047		} catch (InterruptedException quittingTime) {}
#	Line 622 | Line 1049 | public class JSR166TestCase extends Test
1049		}};
1050		}
1051
1052	+	public Runnable awaiter(final CountDownLatch latch) {
1053	+	return new CheckedRunnable() {
1054	+	public void realRun() throws InterruptedException {
1055	+	await(latch);
1056	+	}};
1057	+	}
1058	+
1059	+	public void await(CountDownLatch latch) {
1060	+	try {
1061	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1062	+	} catch (Throwable t) {
1063	+	threadUnexpectedException(t);
1064	+	}
1065	+	}
1066	+
1067	+	public void await(Semaphore semaphore) {
1068	+	try {
1069	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1070	+	} catch (Throwable t) {
1071	+	threadUnexpectedException(t);
1072	+	}
1073	+	}
1074	+
1075	+	//     /**
1076	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1077	+	//      */
1078	+	//     public void await(AtomicBoolean flag) {
1079	+	//         await(flag, LONG_DELAY_MS);
1080	+	//     }
1081	+
1082	+	//     /**
1083	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1084	+	//      */
1085	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1086	+	//         long startTime = System.nanoTime();
1087	+	//         while (!flag.get()) {
1088	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1089	+	//                 throw new AssertionFailedError("timed out");
1090	+	//             Thread.yield();
1091	+	//         }
1092	+	//     }
1093	+
1094		public static class NPETask implements Callable<String> {
1095		public String call() { throw new NullPointerException(); }
1096		}
#	Line 632 | Line 1101 | public class JSR166TestCase extends Test
1101
1102		public class ShortRunnable extends CheckedRunnable {
1103		protected void realRun() throws Throwable {
1104	<	Thread.sleep(SHORT_DELAY_MS);
1104	>	delay(SHORT_DELAY_MS);
1105		}
1106		}
1107
1108		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1109		protected void realRun() throws InterruptedException {
1110	<	Thread.sleep(SHORT_DELAY_MS);
1110	>	delay(SHORT_DELAY_MS);
1111		}
1112		}
1113
1114		public class SmallRunnable extends CheckedRunnable {
1115		protected void realRun() throws Throwable {
1116	<	Thread.sleep(SMALL_DELAY_MS);
1116	>	delay(SMALL_DELAY_MS);
1117		}
1118		}
1119
1120		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1121		protected void realRun() {
1122		try {
1123	<	Thread.sleep(SMALL_DELAY_MS);
1123	>	delay(SMALL_DELAY_MS);
1124		} catch (InterruptedException ok) {}
1125		}
1126		}
1127
1128		public class SmallCallable extends CheckedCallable {
1129		protected Object realCall() throws InterruptedException {
1130	<	Thread.sleep(SMALL_DELAY_MS);
1130	>	delay(SMALL_DELAY_MS);
1131		return Boolean.TRUE;
1132		}
1133		}
1134
666	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
667	–	protected void realRun() throws InterruptedException {
668	–	Thread.sleep(SMALL_DELAY_MS);
669	–	}
670	–	}
671	–
1135		public class MediumRunnable extends CheckedRunnable {
1136		protected void realRun() throws Throwable {
1137	<	Thread.sleep(MEDIUM_DELAY_MS);
1137	>	delay(MEDIUM_DELAY_MS);
1138		}
1139		}
1140
1141		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1142		protected void realRun() throws InterruptedException {
1143	<	Thread.sleep(MEDIUM_DELAY_MS);
1143	>	delay(MEDIUM_DELAY_MS);
1144		}
1145		}
1146
1147	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1148	+	return new CheckedRunnable() {
1149	+	protected void realRun() {
1150	+	try {
1151	+	delay(timeoutMillis);
1152	+	} catch (InterruptedException ok) {}
1153	+	}};
1154	+	}
1155	+
1156		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1157		protected void realRun() {
1158		try {
1159	<	Thread.sleep(MEDIUM_DELAY_MS);
1159	>	delay(MEDIUM_DELAY_MS);
1160		} catch (InterruptedException ok) {}
1161		}
1162		}
#	Line 692 | Line 1164 | public class JSR166TestCase extends Test
1164		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1165		protected void realRun() {
1166		try {
1167	<	Thread.sleep(LONG_DELAY_MS);
1167	>	delay(LONG_DELAY_MS);
1168		} catch (InterruptedException ok) {}
1169		}
1170		}
#	Line 706 | Line 1178 | public class JSR166TestCase extends Test
1178		}
1179		}
1180
1181	+	public interface TrackedRunnable extends Runnable {
1182	+	boolean isDone();
1183	+	}
1184	+
1185	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1186	+	return new TrackedRunnable() {
1187	+	private volatile boolean done = false;
1188	+	public boolean isDone() { return done; }
1189	+	public void run() {
1190	+	try {
1191	+	delay(timeoutMillis);
1192	+	done = true;
1193	+	} catch (InterruptedException ok) {}
1194	+	}
1195	+	};
1196	+	}
1197	+
1198		public static class TrackedShortRunnable implements Runnable {
1199		public volatile boolean done = false;
1200		public void run() {
1201		try {
1202	<	Thread.sleep(SMALL_DELAY_MS);
1202	>	delay(SHORT_DELAY_MS);
1203	>	done = true;
1204	>	} catch (InterruptedException ok) {}
1205	>	}
1206	>	}
1207	>
1208	>	public static class TrackedSmallRunnable implements Runnable {
1209	>	public volatile boolean done = false;
1210	>	public void run() {
1211	>	try {
1212	>	delay(SMALL_DELAY_MS);
1213		done = true;
1214		} catch (InterruptedException ok) {}
1215		}
#	Line 720 | Line 1219 | public class JSR166TestCase extends Test
1219		public volatile boolean done = false;
1220		public void run() {
1221		try {
1222	<	Thread.sleep(MEDIUM_DELAY_MS);
1222	>	delay(MEDIUM_DELAY_MS);
1223		done = true;
1224		} catch (InterruptedException ok) {}
1225		}
#	Line 730 | Line 1229 | public class JSR166TestCase extends Test
1229		public volatile boolean done = false;
1230		public void run() {
1231		try {
1232	<	Thread.sleep(LONG_DELAY_MS);
1232	>	delay(LONG_DELAY_MS);
1233		done = true;
1234		} catch (InterruptedException ok) {}
1235		}
#	Line 747 | Line 1246 | public class JSR166TestCase extends Test
1246		public volatile boolean done = false;
1247		public Object call() {
1248		try {
1249	<	Thread.sleep(SMALL_DELAY_MS);
1249	>	delay(SMALL_DELAY_MS);
1250		done = true;
1251		} catch (InterruptedException ok) {}
1252		return Boolean.TRUE;
1253		}
1254		}
1255
1256	+	/**
1257	+	* Analog of CheckedRunnable for RecursiveAction
1258	+	*/
1259	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1260	+	protected abstract void realCompute() throws Throwable;
1261	+
1262	+	@Override protected final void compute() {
1263	+	try {
1264	+	realCompute();
1265	+	} catch (Throwable t) {
1266	+	threadUnexpectedException(t);
1267	+	}
1268	+	}
1269	+	}
1270	+
1271	+	/**
1272	+	* Analog of CheckedCallable for RecursiveTask
1273	+	*/
1274	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1275	+	protected abstract T realCompute() throws Throwable;
1276	+
1277	+	@Override protected final T compute() {
1278	+	try {
1279	+	return realCompute();
1280	+	} catch (Throwable t) {
1281	+	threadUnexpectedException(t);
1282	+	return null;
1283	+	}
1284	+	}
1285	+	}
1286
1287		/**
1288		* For use as RejectedExecutionHandler in constructors
#	Line 763 | Line 1292 | public class JSR166TestCase extends Test
1292		ThreadPoolExecutor executor) {}
1293		}
1294
1295	+	/**
1296	+	* A CyclicBarrier that uses timed await and fails with
1297	+	* AssertionFailedErrors instead of throwing checked exceptions.
1298	+	*/
1299	+	public class CheckedBarrier extends CyclicBarrier {
1300	+	public CheckedBarrier(int parties) { super(parties); }
1301	+
1302	+	public int await() {
1303	+	try {
1304	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1305	+	} catch (TimeoutException e) {
1306	+	throw new AssertionFailedError("timed out");
1307	+	} catch (Exception e) {
1308	+	AssertionFailedError afe =
1309	+	new AssertionFailedError("Unexpected exception: " + e);
1310	+	afe.initCause(e);
1311	+	throw afe;
1312	+	}
1313	+	}
1314	+	}
1315	+
1316	+	void checkEmpty(BlockingQueue q) {
1317	+	try {
1318	+	assertTrue(q.isEmpty());
1319	+	assertEquals(0, q.size());
1320	+	assertNull(q.peek());
1321	+	assertNull(q.poll());
1322	+	assertNull(q.poll(0, MILLISECONDS));
1323	+	assertEquals(q.toString(), "[]");
1324	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1325	+	assertFalse(q.iterator().hasNext());
1326	+	try {
1327	+	q.element();
1328	+	shouldThrow();
1329	+	} catch (NoSuchElementException success) {}
1330	+	try {
1331	+	q.iterator().next();
1332	+	shouldThrow();
1333	+	} catch (NoSuchElementException success) {}
1334	+	try {
1335	+	q.remove();
1336	+	shouldThrow();
1337	+	} catch (NoSuchElementException success) {}
1338	+	} catch (InterruptedException ie) {
1339	+	threadUnexpectedException(ie);
1340	+	}
1341	+	}
1342	+
1343	+	void assertSerialEquals(Object x, Object y) {
1344	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1345	+	}
1346	+
1347	+	void assertNotSerialEquals(Object x, Object y) {
1348	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1349	+	}
1350	+
1351	+	byte[] serialBytes(Object o) {
1352	+	try {
1353	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1354	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1355	+	oos.writeObject(o);
1356	+	oos.flush();
1357	+	oos.close();
1358	+	return bos.toByteArray();
1359	+	} catch (Throwable t) {
1360	+	threadUnexpectedException(t);
1361	+	return new byte[0];
1362	+	}
1363	+	}
1364	+
1365	+	@SuppressWarnings("unchecked")
1366	+	<T> T serialClone(T o) {
1367	+	try {
1368	+	ObjectInputStream ois = new ObjectInputStream
1369	+	(new ByteArrayInputStream(serialBytes(o)));
1370	+	T clone = (T) ois.readObject();
1371	+	assertSame(o.getClass(), clone.getClass());
1372	+	return clone;
1373	+	} catch (Throwable t) {
1374	+	threadUnexpectedException(t);
1375	+	return null;
1376	+	}
1377	+	}
1378	+
1379	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1380	+	Runnable... throwingActions) {
1381	+	for (Runnable throwingAction : throwingActions) {
1382	+	boolean threw = false;
1383	+	try { throwingAction.run(); }
1384	+	catch (Throwable t) {
1385	+	threw = true;
1386	+	if (!expectedExceptionClass.isInstance(t)) {
1387	+	AssertionFailedError afe =
1388	+	new AssertionFailedError
1389	+	("Expected " + expectedExceptionClass.getName() +
1390	+	", got " + t.getClass().getName());
1391	+	afe.initCause(t);
1392	+	threadUnexpectedException(afe);
1393	+	}
1394	+	}
1395	+	if (!threw)
1396	+	shouldThrow(expectedExceptionClass.getName());
1397	+	}
1398	+	}
1399		}

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