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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.51 by jsr166, Wed Sep 1 06:41:55 2010 UTC vs.
Revision 1.97 by jsr166, Fri Feb 1 19:07:36 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.security.CodeSource;
30	>	import java.security.Permission;
31	>	import java.security.PermissionCollection;
32	>	import java.security.Permissions;
33	>	import java.security.Policy;
34	>	import java.security.ProtectionDomain;
35	>	import java.security.SecurityPermission;
36
37		/**
38		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 54 | Line 75 | import java.security.*;
75		*
76		* </ol>
77		*
78	<	* <p> <b>Other notes</b>
78	>	* <p><b>Other notes</b>
79		* <ul>
80		*
81		* <li> Usually, there is one testcase method per JSR166 method
#	Line 90 | Line 111 | public class JSR166TestCase extends Test
111		private static final boolean useSecurityManager =
112		Boolean.getBoolean("jsr166.useSecurityManager");
113
114	+	protected static final boolean expensiveTests =
115	+	Boolean.getBoolean("jsr166.expensiveTests");
116	+
117	+	/**
118	+	* If true, report on stdout all "slow" tests, that is, ones that
119	+	* take more than profileThreshold milliseconds to execute.
120	+	*/
121	+	private static final boolean profileTests =
122	+	Boolean.getBoolean("jsr166.profileTests");
123	+
124	+	/**
125	+	* The number of milliseconds that tests are permitted for
126	+	* execution without being reported, when profileTests is set.
127	+	*/
128	+	private static final long profileThreshold =
129	+	Long.getLong("jsr166.profileThreshold", 100);
130	+
131	+	protected void runTest() throws Throwable {
132	+	if (profileTests)
133	+	runTestProfiled();
134	+	else
135	+	super.runTest();
136	+	}
137	+
138	+	protected void runTestProfiled() throws Throwable {
139	+	long t0 = System.nanoTime();
140	+	try {
141	+	super.runTest();
142	+	} finally {
143	+	long elapsedMillis =
144	+	(System.nanoTime() - t0) / (1000L * 1000L);
145	+	if (elapsedMillis >= profileThreshold)
146	+	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
147	+	}
148	+	}
149	+
150		/**
151	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
151	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
152	>	* Optional command line arg provides the number of iterations to
153	>	* repeat running the tests.
154		*/
155		public static void main(String[] args) {
156		if (useSecurityManager) {
#	Line 99 | Line 158 | public class JSR166TestCase extends Test
158		Policy.setPolicy(permissivePolicy());
159		System.setSecurityManager(new SecurityManager());
160		}
161	<	int iters = 1;
162	<	if (args.length > 0)
104	<	iters = Integer.parseInt(args[0]);
161	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
162	>
163		Test s = suite();
164		for (int i = 0; i < iters; ++i) {
165		junit.textui.TestRunner.run(s);
#	Line 111 | Line 169 | public class JSR166TestCase extends Test
169		System.exit(0);
170		}
171
172	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
173	+	TestSuite suite = new TestSuite();
174	+	for (Object suiteOrClass : suiteOrClasses) {
175	+	if (suiteOrClass instanceof TestSuite)
176	+	suite.addTest((TestSuite) suiteOrClass);
177	+	else if (suiteOrClass instanceof Class)
178	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
179	+	else
180	+	throw new ClassCastException("not a test suite or class");
181	+	}
182	+	return suite;
183	+	}
184	+
185	+	static void addTestReflectively(TestSuite suite, String testClassName) {
186	+	try {
187	+	Class klazz = Class.forName(testClassName);
188	+	Method m = klazz.getDeclaredMethod("suite", new Class<?>[0]);
189	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
190	+	} catch (Exception e) {
191	+	throw new Error(e);
192	+	}
193	+	}
194	+
195	+	public static final double JAVA_CLASS_VERSION;
196	+	static {
197	+	try {
198	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
199	+	new java.security.PrivilegedAction<Double>() {
200	+	public Double run() {
201	+	return Double.valueOf(System.getProperty("java.class.version"));}});
202	+	} catch (Throwable t) {
203	+	throw new Error(t);
204	+	}
205	+	}
206	+
207	+	public static boolean isAtLeastJdk6() { return JAVA_CLASS_VERSION >= 50.0; }
208	+	public static boolean isAtLeastJdk7() { return JAVA_CLASS_VERSION >= 51.0; }
209	+	public static boolean isAtLeastJdk8() { return JAVA_CLASS_VERSION >= 52.0; }
210	+
211		/**
212	<	* Collects all JSR166 unit tests as one suite
212	>	* Collects all JSR166 unit tests as one suite.
213		*/
214		public static Test suite() {
215	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
216	<
217	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
218	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
219	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
220	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
221	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
222	<	suite.addTest(new TestSuite(PhaserTest.class));
223	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
224	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
225	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
226	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
227	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
228	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
229	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
230	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
231	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
232	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
233	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
234	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
235	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
236	<	suite.addTest(new TestSuite(AtomicLongTest.class));
237	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
238	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
239	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
240	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
241	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
242	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
243	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
244	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
245	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
246	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
247	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
248	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
249	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
250	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
251	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
252	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
253	<	suite.addTest(new TestSuite(DelayQueueTest.class));
254	<	suite.addTest(new TestSuite(EntryTest.class));
255	<	suite.addTest(new TestSuite(ExchangerTest.class));
256	<	suite.addTest(new TestSuite(ExecutorsTest.class));
257	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
258	<	suite.addTest(new TestSuite(FutureTaskTest.class));
259	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
260	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
261	<	suite.addTest(new TestSuite(LinkedListTest.class));
262	<	suite.addTest(new TestSuite(LockSupportTest.class));
263	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
264	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
265	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
266	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
267	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
268	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
269	<	suite.addTest(new TestSuite(SemaphoreTest.class));
270	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
271	<	suite.addTest(new TestSuite(SystemTest.class));
272	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
273	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
274	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
275	<	suite.addTest(new TestSuite(ThreadTest.class));
276	<	suite.addTest(new TestSuite(TimeUnitTest.class));
277	<	suite.addTest(new TestSuite(TreeMapTest.class));
278	<	suite.addTest(new TestSuite(TreeSetTest.class));
279	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
280	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
281	<
215	>	TestSuite suite = newTestSuite(
216	>	ForkJoinPoolTest.suite(),
217	>	ForkJoinTaskTest.suite(),
218	>	RecursiveActionTest.suite(),
219	>	RecursiveTaskTest.suite(),
220	>	LinkedTransferQueueTest.suite(),
221	>	PhaserTest.suite(),
222	>	ThreadLocalRandomTest.suite(),
223	>	AbstractExecutorServiceTest.suite(),
224	>	AbstractQueueTest.suite(),
225	>	AbstractQueuedSynchronizerTest.suite(),
226	>	AbstractQueuedLongSynchronizerTest.suite(),
227	>	ArrayBlockingQueueTest.suite(),
228	>	ArrayDequeTest.suite(),
229	>	AtomicBooleanTest.suite(),
230	>	AtomicIntegerArrayTest.suite(),
231	>	AtomicIntegerFieldUpdaterTest.suite(),
232	>	AtomicIntegerTest.suite(),
233	>	AtomicLongArrayTest.suite(),
234	>	AtomicLongFieldUpdaterTest.suite(),
235	>	AtomicLongTest.suite(),
236	>	AtomicMarkableReferenceTest.suite(),
237	>	AtomicReferenceArrayTest.suite(),
238	>	AtomicReferenceFieldUpdaterTest.suite(),
239	>	AtomicReferenceTest.suite(),
240	>	AtomicStampedReferenceTest.suite(),
241	>	ConcurrentHashMapTest.suite(),
242	>	ConcurrentLinkedDequeTest.suite(),
243	>	ConcurrentLinkedQueueTest.suite(),
244	>	ConcurrentSkipListMapTest.suite(),
245	>	ConcurrentSkipListSubMapTest.suite(),
246	>	ConcurrentSkipListSetTest.suite(),
247	>	ConcurrentSkipListSubSetTest.suite(),
248	>	CopyOnWriteArrayListTest.suite(),
249	>	CopyOnWriteArraySetTest.suite(),
250	>	CountDownLatchTest.suite(),
251	>	CyclicBarrierTest.suite(),
252	>	DelayQueueTest.suite(),
253	>	EntryTest.suite(),
254	>	ExchangerTest.suite(),
255	>	ExecutorsTest.suite(),
256	>	ExecutorCompletionServiceTest.suite(),
257	>	FutureTaskTest.suite(),
258	>	LinkedBlockingDequeTest.suite(),
259	>	LinkedBlockingQueueTest.suite(),
260	>	LinkedListTest.suite(),
261	>	LockSupportTest.suite(),
262	>	PriorityBlockingQueueTest.suite(),
263	>	PriorityQueueTest.suite(),
264	>	ReentrantLockTest.suite(),
265	>	ReentrantReadWriteLockTest.suite(),
266	>	ScheduledExecutorTest.suite(),
267	>	ScheduledExecutorSubclassTest.suite(),
268	>	SemaphoreTest.suite(),
269	>	SynchronousQueueTest.suite(),
270	>	SystemTest.suite(),
271	>	ThreadLocalTest.suite(),
272	>	ThreadPoolExecutorTest.suite(),
273	>	ThreadPoolExecutorSubclassTest.suite(),
274	>	ThreadTest.suite(),
275	>	TimeUnitTest.suite(),
276	>	TreeMapTest.suite(),
277	>	TreeSetTest.suite(),
278	>	TreeSubMapTest.suite(),
279	>	TreeSubSetTest.suite());
280	>	if (isAtLeastJdk8()) {
281	>	addTestReflectively(suite, "StampedLockTest");
282	>	}
283		return suite;
284		}
285
#	Line 200 | Line 298 | public class JSR166TestCase extends Test
298		return 50;
299		}
300
203	–
301		/**
302		* Sets delays as multiples of SHORT_DELAY.
303		*/
304		protected void setDelays() {
305		SHORT_DELAY_MS = getShortDelay();
306	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
306	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
307		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
308	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
308	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
309	>	}
310	>
311	>	/**
312	>	* Returns a timeout in milliseconds to be used in tests that
313	>	* verify that operations block or time out.
314	>	*/
315	>	long timeoutMillis() {
316	>	return SHORT_DELAY_MS / 4;
317		}
318
319		/**
320	<	* Flag set true if any threadAssert methods fail
320	>	* Returns a new Date instance representing a time delayMillis
321	>	* milliseconds in the future.
322		*/
323	<	volatile boolean threadFailed;
323	>	Date delayedDate(long delayMillis) {
324	>	return new Date(System.currentTimeMillis() + delayMillis);
325	>	}
326
327		/**
328	<	* Initializes test to indicate that no thread assertions have failed
328	>	* The first exception encountered if any threadAssertXXX method fails.
329		*/
330	+	private final AtomicReference<Throwable> threadFailure
331	+	= new AtomicReference<Throwable>(null);
332	+
333	+	/**
334	+	* Records an exception so that it can be rethrown later in the test
335	+	* harness thread, triggering a test case failure.  Only the first
336	+	* failure is recorded; subsequent calls to this method from within
337	+	* the same test have no effect.
338	+	*/
339	+	public void threadRecordFailure(Throwable t) {
340	+	threadFailure.compareAndSet(null, t);
341	+	}
342	+
343		public void setUp() {
344		setDelays();
224	–	threadFailed = false;
345		}
346
347		/**
348	<	* Triggers test case failure if any thread assertions have failed
349	<	*/
350	<	public void tearDown() {
351	<	assertFalse(threadFailed);
348	>	* Extra checks that get done for all test cases.
349	>	*
350	>	* Triggers test case failure if any thread assertions have failed,
351	>	* by rethrowing, in the test harness thread, any exception recorded
352	>	* earlier by threadRecordFailure.
353	>	*
354	>	* Triggers test case failure if interrupt status is set in the main thread.
355	>	*/
356	>	public void tearDown() throws Exception {
357	>	Throwable t = threadFailure.getAndSet(null);
358	>	if (t != null) {
359	>	if (t instanceof Error)
360	>	throw (Error) t;
361	>	else if (t instanceof RuntimeException)
362	>	throw (RuntimeException) t;
363	>	else if (t instanceof Exception)
364	>	throw (Exception) t;
365	>	else {
366	>	AssertionFailedError afe =
367	>	new AssertionFailedError(t.toString());
368	>	afe.initCause(t);
369	>	throw afe;
370	>	}
371	>	}
372	>
373	>	if (Thread.interrupted())
374	>	throw new AssertionFailedError("interrupt status set in main thread");
375		}
376
377		/**
378	<	* Fail, also setting status to indicate current testcase should fail
378	>	* Just like fail(reason), but additionally recording (using
379	>	* threadRecordFailure) any AssertionFailedError thrown, so that
380	>	* the current testcase will fail.
381		*/
382		public void threadFail(String reason) {
383	<	threadFailed = true;
384	<	fail(reason);
383	>	try {
384	>	fail(reason);
385	>	} catch (AssertionFailedError t) {
386	>	threadRecordFailure(t);
387	>	fail(reason);
388	>	}
389		}
390
391		/**
392	<	* If expression not true, set status to indicate current testcase
393	<	* should fail
392	>	* Just like assertTrue(b), but additionally recording (using
393	>	* threadRecordFailure) any AssertionFailedError thrown, so that
394	>	* the current testcase will fail.
395		*/
396		public void threadAssertTrue(boolean b) {
397	<	if (!b) {
248	<	threadFailed = true;
397	>	try {
398		assertTrue(b);
399	+	} catch (AssertionFailedError t) {
400	+	threadRecordFailure(t);
401	+	throw t;
402		}
403		}
404
405		/**
406	<	* If expression not false, set status to indicate current testcase
407	<	* should fail
406	>	* Just like assertFalse(b), but additionally recording (using
407	>	* threadRecordFailure) any AssertionFailedError thrown, so that
408	>	* the current testcase will fail.
409		*/
410		public void threadAssertFalse(boolean b) {
411	<	if (b) {
259	<	threadFailed = true;
411	>	try {
412		assertFalse(b);
413	+	} catch (AssertionFailedError t) {
414	+	threadRecordFailure(t);
415	+	throw t;
416		}
417		}
418
419		/**
420	<	* If argument not null, set status to indicate current testcase
421	<	* should fail
420	>	* Just like assertNull(x), but additionally recording (using
421	>	* threadRecordFailure) any AssertionFailedError thrown, so that
422	>	* the current testcase will fail.
423		*/
424		public void threadAssertNull(Object x) {
425	<	if (x != null) {
270	<	threadFailed = true;
425	>	try {
426		assertNull(x);
427	+	} catch (AssertionFailedError t) {
428	+	threadRecordFailure(t);
429	+	throw t;
430		}
431		}
432
433		/**
434	<	* If arguments not equal, set status to indicate current testcase
435	<	* should fail
434	>	* Just like assertEquals(x, y), but additionally recording (using
435	>	* threadRecordFailure) any AssertionFailedError thrown, so that
436	>	* the current testcase will fail.
437		*/
438		public void threadAssertEquals(long x, long y) {
439	<	if (x != y) {
281	<	threadFailed = true;
439	>	try {
440		assertEquals(x, y);
441	+	} catch (AssertionFailedError t) {
442	+	threadRecordFailure(t);
443	+	throw t;
444		}
445		}
446
447		/**
448	<	* If arguments not equal, set status to indicate current testcase
449	<	* should fail
448	>	* Just like assertEquals(x, y), but additionally recording (using
449	>	* threadRecordFailure) any AssertionFailedError thrown, so that
450	>	* the current testcase will fail.
451		*/
452		public void threadAssertEquals(Object x, Object y) {
453	<	if (x != y && (x == null || !x.equals(y))) {
292	<	threadFailed = true;
453	>	try {
454		assertEquals(x, y);
455	+	} catch (AssertionFailedError t) {
456	+	threadRecordFailure(t);
457	+	throw t;
458	+	} catch (Throwable t) {
459	+	threadUnexpectedException(t);
460		}
461		}
462
463		/**
464	<	* threadFail with message "should throw exception"
464	>	* Just like assertSame(x, y), but additionally recording (using
465	>	* threadRecordFailure) any AssertionFailedError thrown, so that
466	>	* the current testcase will fail.
467	>	*/
468	>	public void threadAssertSame(Object x, Object y) {
469	>	try {
470	>	assertSame(x, y);
471	>	} catch (AssertionFailedError t) {
472	>	threadRecordFailure(t);
473	>	throw t;
474	>	}
475	>	}
476	>
477	>	/**
478	>	* Calls threadFail with message "should throw exception".
479		*/
480		public void threadShouldThrow() {
481	<	threadFailed = true;
302	<	fail("should throw exception");
481	>	threadFail("should throw exception");
482		}
483
484		/**
485	<	* threadFail with message "should throw" + exceptionName
485	>	* Calls threadFail with message "should throw" + exceptionName.
486		*/
487		public void threadShouldThrow(String exceptionName) {
488	<	threadFailed = true;
310	<	fail("should throw " + exceptionName);
488	>	threadFail("should throw " + exceptionName);
489		}
490
491		/**
492	<	* threadFail with message "Unexpected exception"
492	>	* Records the given exception using {@link #threadRecordFailure},
493	>	* then rethrows the exception, wrapping it in an
494	>	* AssertionFailedError if necessary.
495		*/
496	<	public void threadUnexpectedException() {
497	<	threadFailed = true;
498	<	fail("Unexpected exception");
496	>	public void threadUnexpectedException(Throwable t) {
497	>	threadRecordFailure(t);
498	>	t.printStackTrace();
499	>	if (t instanceof RuntimeException)
500	>	throw (RuntimeException) t;
501	>	else if (t instanceof Error)
502	>	throw (Error) t;
503	>	else {
504	>	AssertionFailedError afe =
505	>	new AssertionFailedError("unexpected exception: " + t);
506	>	afe.initCause(t);
507	>	throw afe;
508	>	}
509		}
510
511		/**
512	<	* threadFail with message "Unexpected exception", with argument
512	>	* Delays, via Thread.sleep, for the given millisecond delay, but
513	>	* if the sleep is shorter than specified, may re-sleep or yield
514	>	* until time elapses.
515		*/
516	<	public void threadUnexpectedException(Throwable ex) {
517	<	threadFailed = true;
518	<	ex.printStackTrace();
519	<	fail("Unexpected exception: " + ex);
516	>	static void delay(long millis) throws InterruptedException {
517	>	long startTime = System.nanoTime();
518	>	long ns = millis * 1000 * 1000;
519	>	for (;;) {
520	>	if (millis > 0L)
521	>	Thread.sleep(millis);
522	>	else // too short to sleep
523	>	Thread.yield();
524	>	long d = ns - (System.nanoTime() - startTime);
525	>	if (d > 0L)
526	>	millis = d / (1000 * 1000);
527	>	else
528	>	break;
529	>	}
530		}
531
532		/**
533	<	* Wait out termination of a thread pool or fail doing so
533	>	* Waits out termination of a thread pool or fails doing so.
534		*/
535	<	public void joinPool(ExecutorService exec) {
535	>	void joinPool(ExecutorService exec) {
536		try {
537		exec.shutdown();
538	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
538	>	assertTrue("ExecutorService did not terminate in a timely manner",
539	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
540		} catch (SecurityException ok) {
541		// Allowed in case test doesn't have privs
542		} catch (InterruptedException ie) {
#	Line 341 | Line 544 | public class JSR166TestCase extends Test
544		}
545		}
546
547	+	/**
548	+	* A debugging tool to print all stack traces, as jstack does.
549	+	*/
550	+	static void printAllStackTraces() {
551	+	for (ThreadInfo info :
552	+	ManagementFactory.getThreadMXBean()
553	+	.dumpAllThreads(true, true))
554	+	System.err.print(info);
555	+	}
556
557		/**
558	<	* fail with message "should throw exception"
558	>	* Checks that thread does not terminate within the default
559	>	* millisecond delay of {@code timeoutMillis()}.
560		*/
561	<	public void shouldThrow() {
562	<	fail("Should throw exception");
561	>	void assertThreadStaysAlive(Thread thread) {
562	>	assertThreadStaysAlive(thread, timeoutMillis());
563		}
564
565		/**
566	<	* fail with message "should throw " + exceptionName
566	>	* Checks that thread does not terminate within the given millisecond delay.
567		*/
568	<	public void shouldThrow(String exceptionName) {
569	<	fail("Should throw " + exceptionName);
568	>	void assertThreadStaysAlive(Thread thread, long millis) {
569	>	try {
570	>	// No need to optimize the failing case via Thread.join.
571	>	delay(millis);
572	>	assertTrue(thread.isAlive());
573	>	} catch (InterruptedException ie) {
574	>	fail("Unexpected InterruptedException");
575	>	}
576		}
577
578		/**
579	<	* fail with message "Unexpected exception"
579	>	* Checks that the threads do not terminate within the default
580	>	* millisecond delay of {@code timeoutMillis()}.
581		*/
582	<	public void unexpectedException() {
583	<	fail("Unexpected exception");
582	>	void assertThreadsStayAlive(Thread... threads) {
583	>	assertThreadsStayAlive(timeoutMillis(), threads);
584		}
585
586		/**
587	<	* fail with message "Unexpected exception", with argument
587	>	* Checks that the threads do not terminate within the given millisecond delay.
588		*/
589	<	public void unexpectedException(Throwable ex) {
590	<	ex.printStackTrace();
591	<	fail("Unexpected exception: " + ex);
589	>	void assertThreadsStayAlive(long millis, Thread... threads) {
590	>	try {
591	>	// No need to optimize the failing case via Thread.join.
592	>	delay(millis);
593	>	for (Thread thread : threads)
594	>	assertTrue(thread.isAlive());
595	>	} catch (InterruptedException ie) {
596	>	fail("Unexpected InterruptedException");
597	>	}
598		}
599
600	+	/**
601	+	* Checks that future.get times out, with the default timeout of
602	+	* {@code timeoutMillis()}.
603	+	*/
604	+	void assertFutureTimesOut(Future future) {
605	+	assertFutureTimesOut(future, timeoutMillis());
606	+	}
607	+
608	+	/**
609	+	* Checks that future.get times out, with the given millisecond timeout.
610	+	*/
611	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
612	+	long startTime = System.nanoTime();
613	+	try {
614	+	future.get(timeoutMillis, MILLISECONDS);
615	+	shouldThrow();
616	+	} catch (TimeoutException success) {
617	+	} catch (Exception e) {
618	+	threadUnexpectedException(e);
619	+	} finally { future.cancel(true); }
620	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
621	+	}
622	+
623	+	/**
624	+	* Fails with message "should throw exception".
625	+	*/
626	+	public void shouldThrow() {
627	+	fail("Should throw exception");
628	+	}
629	+
630	+	/**
631	+	* Fails with message "should throw " + exceptionName.
632	+	*/
633	+	public void shouldThrow(String exceptionName) {
634	+	fail("Should throw " + exceptionName);
635	+	}
636
637		/**
638		* The number of elements to place in collections, arrays, etc.
#	Line 409 | Line 671 | public class JSR166TestCase extends Test
671		SecurityManager sm = System.getSecurityManager();
672		if (sm == null) {
673		r.run();
674	+	}
675	+	runWithSecurityManagerWithPermissions(r, permissions);
676	+	}
677	+
678	+	/**
679	+	* Runs Runnable r with a security policy that permits precisely
680	+	* the specified permissions.  If there is no current security
681	+	* manager, a temporary one is set for the duration of the
682	+	* Runnable.  We require that any security manager permit
683	+	* getPolicy/setPolicy.
684	+	*/
685	+	public void runWithSecurityManagerWithPermissions(Runnable r,
686	+	Permission... permissions) {
687	+	SecurityManager sm = System.getSecurityManager();
688	+	if (sm == null) {
689		Policy savedPolicy = Policy.getPolicy();
690		try {
691		Policy.setPolicy(permissivePolicy());
692		System.setSecurityManager(new SecurityManager());
693	<	runWithPermissions(r, permissions);
693	>	runWithSecurityManagerWithPermissions(r, permissions);
694		} finally {
695		System.setSecurityManager(null);
696		Policy.setPolicy(savedPolicy);
#	Line 461 | Line 738 | public class JSR166TestCase extends Test
738		return perms.implies(p);
739		}
740		public void refresh() {}
741	+	public String toString() {
742	+	List<Permission> ps = new ArrayList<Permission>();
743	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
744	+	ps.add(e.nextElement());
745	+	return "AdjustablePolicy with permissions " + ps;
746	+	}
747		}
748
749		/**
#	Line 483 | Line 766 | public class JSR166TestCase extends Test
766		}
767
768		/**
769	<	* Sleep until the timeout has elapsed, or interrupted.
770	<	* Does <em>NOT</em> throw InterruptedException.
769	>	* Sleeps until the given time has elapsed.
770	>	* Throws AssertionFailedError if interrupted.
771		*/
772	<	void sleepTillInterrupted(long timeoutMillis) {
772	>	void sleep(long millis) {
773		try {
774	<	Thread.sleep(timeoutMillis);
775	<	} catch (InterruptedException wakeup) {}
774	>	delay(millis);
775	>	} catch (InterruptedException ie) {
776	>	AssertionFailedError afe =
777	>	new AssertionFailedError("Unexpected InterruptedException");
778	>	afe.initCause(ie);
779	>	throw afe;
780	>	}
781	>	}
782	>
783	>	/**
784	>	* Spin-waits up to the specified number of milliseconds for the given
785	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
786	>	*/
787	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
788	>	long startTime = System.nanoTime();
789	>	for (;;) {
790	>	Thread.State s = thread.getState();
791	>	if (s == Thread.State.BLOCKED ||
792	>	s == Thread.State.WAITING ||
793	>	s == Thread.State.TIMED_WAITING)
794	>	return;
795	>	else if (s == Thread.State.TERMINATED)
796	>	fail("Unexpected thread termination");
797	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
798	>	threadAssertTrue(thread.isAlive());
799	>	return;
800	>	}
801	>	Thread.yield();
802	>	}
803	>	}
804	>
805	>	/**
806	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
807	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
808	>	*/
809	>	void waitForThreadToEnterWaitState(Thread thread) {
810	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
811	>	}
812	>
813	>	/**
814	>	* Returns the number of milliseconds since time given by
815	>	* startNanoTime, which must have been previously returned from a
816	>	* call to {@link System.nanoTime()}.
817	>	*/
818	>	long millisElapsedSince(long startNanoTime) {
819	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
820		}
821
822		/**
823	<	* Returns a new started Thread running the given runnable.
823	>	* Returns a new started daemon Thread running the given runnable.
824		*/
825		Thread newStartedThread(Runnable runnable) {
826		Thread t = new Thread(runnable);
827	+	t.setDaemon(true);
828		t.start();
829		return t;
830		}
831
832	+	/**
833	+	* Waits for the specified time (in milliseconds) for the thread
834	+	* to terminate (using {@link Thread#join(long)}), else interrupts
835	+	* the thread (in the hope that it may terminate later) and fails.
836	+	*/
837	+	void awaitTermination(Thread t, long timeoutMillis) {
838	+	try {
839	+	t.join(timeoutMillis);
840	+	} catch (InterruptedException ie) {
841	+	threadUnexpectedException(ie);
842	+	} finally {
843	+	if (t.getState() != Thread.State.TERMINATED) {
844	+	t.interrupt();
845	+	fail("Test timed out");
846	+	}
847	+	}
848	+	}
849	+
850	+	/**
851	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
852	+	* terminate (using {@link Thread#join(long)}), else interrupts
853	+	* the thread (in the hope that it may terminate later) and fails.
854	+	*/
855	+	void awaitTermination(Thread t) {
856	+	awaitTermination(t, LONG_DELAY_MS);
857	+	}
858	+
859		// Some convenient Runnable classes
860
861		public abstract class CheckedRunnable implements Runnable {
#	Line 563 | Line 918 | public class JSR166TestCase extends Test
918		realRun();
919		threadShouldThrow("InterruptedException");
920		} catch (InterruptedException success) {
921	+	threadAssertFalse(Thread.interrupted());
922		} catch (Throwable t) {
923		threadUnexpectedException(t);
924		}
#	Line 577 | Line 933 | public class JSR166TestCase extends Test
933		return realCall();
934		} catch (Throwable t) {
935		threadUnexpectedException(t);
936	+	return null;
937		}
581	–	return null;
938		}
939		}
940
941	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
941	>	public abstract class CheckedInterruptedCallable<T>
942	>	implements Callable<T> {
943		protected abstract T realCall() throws Throwable;
944
945		public final T call() {
#	Line 591 | Line 948 | public class JSR166TestCase extends Test
948		threadShouldThrow("InterruptedException");
949		return result;
950		} catch (InterruptedException success) {
951	+	threadAssertFalse(Thread.interrupted());
952		} catch (Throwable t) {
953		threadUnexpectedException(t);
954		}
#	Line 614 | Line 972 | public class JSR166TestCase extends Test
972
973		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
974		return new CheckedCallable<String>() {
975	<	public String realCall() {
975	>	protected String realCall() {
976		try {
977		latch.await();
978		} catch (InterruptedException quittingTime) {}
#	Line 622 | Line 980 | public class JSR166TestCase extends Test
980		}};
981		}
982
983	+	public Runnable awaiter(final CountDownLatch latch) {
984	+	return new CheckedRunnable() {
985	+	public void realRun() throws InterruptedException {
986	+	await(latch);
987	+	}};
988	+	}
989	+
990	+	public void await(CountDownLatch latch) {
991	+	try {
992	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
993	+	} catch (Throwable t) {
994	+	threadUnexpectedException(t);
995	+	}
996	+	}
997	+
998	+	public void await(Semaphore semaphore) {
999	+	try {
1000	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1001	+	} catch (Throwable t) {
1002	+	threadUnexpectedException(t);
1003	+	}
1004	+	}
1005	+
1006	+	//     /**
1007	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1008	+	//      */
1009	+	//     public void await(AtomicBoolean flag) {
1010	+	//         await(flag, LONG_DELAY_MS);
1011	+	//     }
1012	+
1013	+	//     /**
1014	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1015	+	//      */
1016	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1017	+	//         long startTime = System.nanoTime();
1018	+	//         while (!flag.get()) {
1019	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1020	+	//                 throw new AssertionFailedError("timed out");
1021	+	//             Thread.yield();
1022	+	//         }
1023	+	//     }
1024	+
1025		public static class NPETask implements Callable<String> {
1026		public String call() { throw new NullPointerException(); }
1027		}
#	Line 632 | Line 1032 | public class JSR166TestCase extends Test
1032
1033		public class ShortRunnable extends CheckedRunnable {
1034		protected void realRun() throws Throwable {
1035	<	Thread.sleep(SHORT_DELAY_MS);
1035	>	delay(SHORT_DELAY_MS);
1036		}
1037		}
1038
1039		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1040		protected void realRun() throws InterruptedException {
1041	<	Thread.sleep(SHORT_DELAY_MS);
1041	>	delay(SHORT_DELAY_MS);
1042		}
1043		}
1044
1045		public class SmallRunnable extends CheckedRunnable {
1046		protected void realRun() throws Throwable {
1047	<	Thread.sleep(SMALL_DELAY_MS);
1047	>	delay(SMALL_DELAY_MS);
1048		}
1049		}
1050
1051		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1052		protected void realRun() {
1053		try {
1054	<	Thread.sleep(SMALL_DELAY_MS);
1054	>	delay(SMALL_DELAY_MS);
1055		} catch (InterruptedException ok) {}
1056		}
1057		}
1058
1059		public class SmallCallable extends CheckedCallable {
1060		protected Object realCall() throws InterruptedException {
1061	<	Thread.sleep(SMALL_DELAY_MS);
1061	>	delay(SMALL_DELAY_MS);
1062		return Boolean.TRUE;
1063		}
1064		}
1065
666	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
667	–	protected void realRun() throws InterruptedException {
668	–	Thread.sleep(SMALL_DELAY_MS);
669	–	}
670	–	}
671	–
1066		public class MediumRunnable extends CheckedRunnable {
1067		protected void realRun() throws Throwable {
1068	<	Thread.sleep(MEDIUM_DELAY_MS);
1068	>	delay(MEDIUM_DELAY_MS);
1069		}
1070		}
1071
1072		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1073		protected void realRun() throws InterruptedException {
1074	<	Thread.sleep(MEDIUM_DELAY_MS);
1074	>	delay(MEDIUM_DELAY_MS);
1075		}
1076		}
1077
1078	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1079	+	return new CheckedRunnable() {
1080	+	protected void realRun() {
1081	+	try {
1082	+	delay(timeoutMillis);
1083	+	} catch (InterruptedException ok) {}
1084	+	}};
1085	+	}
1086	+
1087		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1088		protected void realRun() {
1089		try {
1090	<	Thread.sleep(MEDIUM_DELAY_MS);
1090	>	delay(MEDIUM_DELAY_MS);
1091		} catch (InterruptedException ok) {}
1092		}
1093		}
#	Line 692 | Line 1095 | public class JSR166TestCase extends Test
1095		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1096		protected void realRun() {
1097		try {
1098	<	Thread.sleep(LONG_DELAY_MS);
1098	>	delay(LONG_DELAY_MS);
1099		} catch (InterruptedException ok) {}
1100		}
1101		}
#	Line 706 | Line 1109 | public class JSR166TestCase extends Test
1109		}
1110		}
1111
1112	+	public interface TrackedRunnable extends Runnable {
1113	+	boolean isDone();
1114	+	}
1115	+
1116	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1117	+	return new TrackedRunnable() {
1118	+	private volatile boolean done = false;
1119	+	public boolean isDone() { return done; }
1120	+	public void run() {
1121	+	try {
1122	+	delay(timeoutMillis);
1123	+	done = true;
1124	+	} catch (InterruptedException ok) {}
1125	+	}
1126	+	};
1127	+	}
1128	+
1129		public static class TrackedShortRunnable implements Runnable {
1130		public volatile boolean done = false;
1131		public void run() {
1132		try {
1133	<	Thread.sleep(SMALL_DELAY_MS);
1133	>	delay(SHORT_DELAY_MS);
1134	>	done = true;
1135	>	} catch (InterruptedException ok) {}
1136	>	}
1137	>	}
1138	>
1139	>	public static class TrackedSmallRunnable implements Runnable {
1140	>	public volatile boolean done = false;
1141	>	public void run() {
1142	>	try {
1143	>	delay(SMALL_DELAY_MS);
1144		done = true;
1145		} catch (InterruptedException ok) {}
1146		}
#	Line 720 | Line 1150 | public class JSR166TestCase extends Test
1150		public volatile boolean done = false;
1151		public void run() {
1152		try {
1153	<	Thread.sleep(MEDIUM_DELAY_MS);
1153	>	delay(MEDIUM_DELAY_MS);
1154		done = true;
1155		} catch (InterruptedException ok) {}
1156		}
#	Line 730 | Line 1160 | public class JSR166TestCase extends Test
1160		public volatile boolean done = false;
1161		public void run() {
1162		try {
1163	<	Thread.sleep(LONG_DELAY_MS);
1163	>	delay(LONG_DELAY_MS);
1164		done = true;
1165		} catch (InterruptedException ok) {}
1166		}
#	Line 747 | Line 1177 | public class JSR166TestCase extends Test
1177		public volatile boolean done = false;
1178		public Object call() {
1179		try {
1180	<	Thread.sleep(SMALL_DELAY_MS);
1180	>	delay(SMALL_DELAY_MS);
1181		done = true;
1182		} catch (InterruptedException ok) {}
1183		return Boolean.TRUE;
1184		}
1185		}
1186
1187	+	/**
1188	+	* Analog of CheckedRunnable for RecursiveAction
1189	+	*/
1190	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1191	+	protected abstract void realCompute() throws Throwable;
1192	+
1193	+	public final void compute() {
1194	+	try {
1195	+	realCompute();
1196	+	} catch (Throwable t) {
1197	+	threadUnexpectedException(t);
1198	+	}
1199	+	}
1200	+	}
1201	+
1202	+	/**
1203	+	* Analog of CheckedCallable for RecursiveTask
1204	+	*/
1205	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1206	+	protected abstract T realCompute() throws Throwable;
1207	+
1208	+	public final T compute() {
1209	+	try {
1210	+	return realCompute();
1211	+	} catch (Throwable t) {
1212	+	threadUnexpectedException(t);
1213	+	return null;
1214	+	}
1215	+	}
1216	+	}
1217
1218		/**
1219		* For use as RejectedExecutionHandler in constructors
#	Line 763 | Line 1223 | public class JSR166TestCase extends Test
1223		ThreadPoolExecutor executor) {}
1224		}
1225
1226	+	/**
1227	+	* A CyclicBarrier that uses timed await and fails with
1228	+	* AssertionFailedErrors instead of throwing checked exceptions.
1229	+	*/
1230	+	public class CheckedBarrier extends CyclicBarrier {
1231	+	public CheckedBarrier(int parties) { super(parties); }
1232	+
1233	+	public int await() {
1234	+	try {
1235	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1236	+	} catch (TimeoutException e) {
1237	+	throw new AssertionFailedError("timed out");
1238	+	} catch (Exception e) {
1239	+	AssertionFailedError afe =
1240	+	new AssertionFailedError("Unexpected exception: " + e);
1241	+	afe.initCause(e);
1242	+	throw afe;
1243	+	}
1244	+	}
1245	+	}
1246	+
1247	+	void checkEmpty(BlockingQueue q) {
1248	+	try {
1249	+	assertTrue(q.isEmpty());
1250	+	assertEquals(0, q.size());
1251	+	assertNull(q.peek());
1252	+	assertNull(q.poll());
1253	+	assertNull(q.poll(0, MILLISECONDS));
1254	+	assertEquals(q.toString(), "[]");
1255	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1256	+	assertFalse(q.iterator().hasNext());
1257	+	try {
1258	+	q.element();
1259	+	shouldThrow();
1260	+	} catch (NoSuchElementException success) {}
1261	+	try {
1262	+	q.iterator().next();
1263	+	shouldThrow();
1264	+	} catch (NoSuchElementException success) {}
1265	+	try {
1266	+	q.remove();
1267	+	shouldThrow();
1268	+	} catch (NoSuchElementException success) {}
1269	+	} catch (InterruptedException ie) {
1270	+	threadUnexpectedException(ie);
1271	+	}
1272	+	}
1273	+
1274	+	void assertSerialEquals(Object x, Object y) {
1275	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1276	+	}
1277	+
1278	+	void assertNotSerialEquals(Object x, Object y) {
1279	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1280	+	}
1281	+
1282	+	byte[] serialBytes(Object o) {
1283	+	try {
1284	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1285	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1286	+	oos.writeObject(o);
1287	+	oos.flush();
1288	+	oos.close();
1289	+	return bos.toByteArray();
1290	+	} catch (Throwable t) {
1291	+	threadUnexpectedException(t);
1292	+	return new byte[0];
1293	+	}
1294	+	}
1295	+
1296	+	@SuppressWarnings("unchecked")
1297	+	<T> T serialClone(T o) {
1298	+	try {
1299	+	ObjectInputStream ois = new ObjectInputStream
1300	+	(new ByteArrayInputStream(serialBytes(o)));
1301	+	T clone = (T) ois.readObject();
1302	+	assertSame(o.getClass(), clone.getClass());
1303	+	return clone;
1304	+	} catch (Throwable t) {
1305	+	threadUnexpectedException(t);
1306	+	return null;
1307	+	}
1308	+	}
1309		}

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