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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.55 by jsr166, Mon Sep 20 20:42:37 2010 UTC vs.
Revision 1.112 by jsr166, Fri Aug 16 07:07:01 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.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 static java.util.concurrent.TimeUnit.NANOSECONDS;
29		import java.security.CodeSource;
30		import java.security.Permission;
31		import java.security.PermissionCollection;
#	Line 60 | Line 75 | import java.security.SecurityPermission;
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 96 | 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		/**
132	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
132	>	* The number of repetitions per test (for tickling rare bugs).
133	>	*/
134	>	private static final int runsPerTest =
135	>	Integer.getInteger("jsr166.runsPerTest", 1);
136	>
137	>	protected void runTest() throws Throwable {
138	>	for (int i = 0; i < runsPerTest; i++) {
139	>	if (profileTests)
140	>	runTestProfiled();
141	>	else
142	>	super.runTest();
143	>	}
144	>	}
145	>
146	>	protected void runTestProfiled() throws Throwable {
147	>	long t0 = System.nanoTime();
148	>	try {
149	>	super.runTest();
150	>	} finally {
151	>	long elapsedMillis =
152	>	(System.nanoTime() - t0) / (1000L * 1000L);
153	>	if (elapsedMillis >= profileThreshold)
154	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
155	>	}
156	>	}
157	>
158	>	/**
159	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
160	>	* Optional command line arg provides the number of iterations to
161	>	* repeat running the tests.
162		*/
163		public static void main(String[] args) {
164		if (useSecurityManager) {
#	Line 105 | Line 166 | public class JSR166TestCase extends Test
166		Policy.setPolicy(permissivePolicy());
167		System.setSecurityManager(new SecurityManager());
168		}
169	<	int iters = 1;
170	<	if (args.length > 0)
110	<	iters = Integer.parseInt(args[0]);
169	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
170	>
171		Test s = suite();
172		for (int i = 0; i < iters; ++i) {
173		junit.textui.TestRunner.run(s);
#	Line 117 | Line 177 | public class JSR166TestCase extends Test
177		System.exit(0);
178		}
179
180	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
181	+	TestSuite suite = new TestSuite();
182	+	for (Object suiteOrClass : suiteOrClasses) {
183	+	if (suiteOrClass instanceof TestSuite)
184	+	suite.addTest((TestSuite) suiteOrClass);
185	+	else if (suiteOrClass instanceof Class)
186	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
187	+	else
188	+	throw new ClassCastException("not a test suite or class");
189	+	}
190	+	return suite;
191	+	}
192	+
193	+	public static void addNamedTestClasses(TestSuite suite,
194	+	String... testClassNames) {
195	+	for (String testClassName : testClassNames) {
196	+	try {
197	+	Class<?> testClass = Class.forName(testClassName);
198	+	Method m = testClass.getDeclaredMethod("suite",
199	+	new Class<?>[0]);
200	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
201	+	} catch (Exception e) {
202	+	throw new Error("Missing test class", e);
203	+	}
204	+	}
205	+	}
206	+
207	+	public static final double JAVA_CLASS_VERSION;
208	+	static {
209	+	try {
210	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
211	+	new java.security.PrivilegedAction<Double>() {
212	+	public Double run() {
213	+	return Double.valueOf(System.getProperty("java.class.version"));}});
214	+	} catch (Throwable t) {
215	+	throw new Error(t);
216	+	}
217	+	}
218	+
219	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
220	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
221	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
222	+
223		/**
224	<	* Collects all JSR166 unit tests as one suite
224	>	* Collects all JSR166 unit tests as one suite.
225		*/
226		public static Test suite() {
227	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
228	<
229	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
230	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
231	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
232	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
233	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
234	<	suite.addTest(new TestSuite(PhaserTest.class));
235	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
236	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
237	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
238	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
239	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
240	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
241	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
242	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
243	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
244	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
245	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
246	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
247	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
248	<	suite.addTest(new TestSuite(AtomicLongTest.class));
249	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
250	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
251	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
252	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
253	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
254	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
255	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
256	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
257	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
258	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
259	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
260	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
261	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
262	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
263	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
264	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
265	<	suite.addTest(new TestSuite(DelayQueueTest.class));
266	<	suite.addTest(new TestSuite(EntryTest.class));
267	<	suite.addTest(new TestSuite(ExchangerTest.class));
268	<	suite.addTest(new TestSuite(ExecutorsTest.class));
269	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
270	<	suite.addTest(new TestSuite(FutureTaskTest.class));
271	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
272	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
273	<	suite.addTest(new TestSuite(LinkedListTest.class));
274	<	suite.addTest(new TestSuite(LockSupportTest.class));
275	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
276	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
277	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
278	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
279	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
280	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
281	<	suite.addTest(new TestSuite(SemaphoreTest.class));
282	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
283	<	suite.addTest(new TestSuite(SystemTest.class));
284	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
285	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
286	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
287	<	suite.addTest(new TestSuite(ThreadTest.class));
288	<	suite.addTest(new TestSuite(TimeUnitTest.class));
289	<	suite.addTest(new TestSuite(TreeMapTest.class));
290	<	suite.addTest(new TestSuite(TreeSetTest.class));
291	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
292	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
227	>	// Java7+ test classes
228	>	TestSuite suite = newTestSuite(
229	>	ForkJoinPoolTest.suite(),
230	>	ForkJoinTaskTest.suite(),
231	>	RecursiveActionTest.suite(),
232	>	RecursiveTaskTest.suite(),
233	>	LinkedTransferQueueTest.suite(),
234	>	PhaserTest.suite(),
235	>	ThreadLocalRandomTest.suite(),
236	>	AbstractExecutorServiceTest.suite(),
237	>	AbstractQueueTest.suite(),
238	>	AbstractQueuedSynchronizerTest.suite(),
239	>	AbstractQueuedLongSynchronizerTest.suite(),
240	>	ArrayBlockingQueueTest.suite(),
241	>	ArrayDequeTest.suite(),
242	>	AtomicBooleanTest.suite(),
243	>	AtomicIntegerArrayTest.suite(),
244	>	AtomicIntegerFieldUpdaterTest.suite(),
245	>	AtomicIntegerTest.suite(),
246	>	AtomicLongArrayTest.suite(),
247	>	AtomicLongFieldUpdaterTest.suite(),
248	>	AtomicLongTest.suite(),
249	>	AtomicMarkableReferenceTest.suite(),
250	>	AtomicReferenceArrayTest.suite(),
251	>	AtomicReferenceFieldUpdaterTest.suite(),
252	>	AtomicReferenceTest.suite(),
253	>	AtomicStampedReferenceTest.suite(),
254	>	ConcurrentHashMapTest.suite(),
255	>	ConcurrentLinkedDequeTest.suite(),
256	>	ConcurrentLinkedQueueTest.suite(),
257	>	ConcurrentSkipListMapTest.suite(),
258	>	ConcurrentSkipListSubMapTest.suite(),
259	>	ConcurrentSkipListSetTest.suite(),
260	>	ConcurrentSkipListSubSetTest.suite(),
261	>	CopyOnWriteArrayListTest.suite(),
262	>	CopyOnWriteArraySetTest.suite(),
263	>	CountDownLatchTest.suite(),
264	>	CyclicBarrierTest.suite(),
265	>	DelayQueueTest.suite(),
266	>	EntryTest.suite(),
267	>	ExchangerTest.suite(),
268	>	ExecutorsTest.suite(),
269	>	ExecutorCompletionServiceTest.suite(),
270	>	FutureTaskTest.suite(),
271	>	LinkedBlockingDequeTest.suite(),
272	>	LinkedBlockingQueueTest.suite(),
273	>	LinkedListTest.suite(),
274	>	LockSupportTest.suite(),
275	>	PriorityBlockingQueueTest.suite(),
276	>	PriorityQueueTest.suite(),
277	>	ReentrantLockTest.suite(),
278	>	ReentrantReadWriteLockTest.suite(),
279	>	ScheduledExecutorTest.suite(),
280	>	ScheduledExecutorSubclassTest.suite(),
281	>	SemaphoreTest.suite(),
282	>	SynchronousQueueTest.suite(),
283	>	SystemTest.suite(),
284	>	ThreadLocalTest.suite(),
285	>	ThreadPoolExecutorTest.suite(),
286	>	ThreadPoolExecutorSubclassTest.suite(),
287	>	ThreadTest.suite(),
288	>	TimeUnitTest.suite(),
289	>	TreeMapTest.suite(),
290	>	TreeSetTest.suite(),
291	>	TreeSubMapTest.suite(),
292	>	TreeSubSetTest.suite());
293	>
294	>	// Java8+ test classes
295	>	if (atLeastJava8()) {
296	>	String[] java8TestClassNames = {
297	>	"CompletableFutureTest",
298	>	"ConcurrentHashMap8Test",
299	>	"CountedCompleterTest",
300	>	"DoubleAccumulatorTest",
301	>	"DoubleAdderTest",
302	>	"ForkJoinPool8Test",
303	>	"ForkJoinTask8Test",
304	>	"LongAccumulatorTest",
305	>	"LongAdderTest",
306	>	"SplittableRandomTest",
307	>	"StampedLockTest",
308	>	"ThreadLocalRandom8Test",
309	>	};
310	>	addNamedTestClasses(suite, java8TestClassNames);
311	>	}
312
313		return suite;
314		}
315
316	+	// Delays for timing-dependent tests, in milliseconds.
317
318		public static long SHORT_DELAY_MS;
319		public static long SMALL_DELAY_MS;
320		public static long MEDIUM_DELAY_MS;
321		public static long LONG_DELAY_MS;
322
200	–
323		/**
324		* Returns the shortest timed delay. This could
325		* be reimplemented to use for example a Property.
#	Line 206 | Line 328 | public class JSR166TestCase extends Test
328		return 50;
329		}
330
209	–
331		/**
332		* Sets delays as multiples of SHORT_DELAY.
333		*/
#	Line 214 | Line 335 | public class JSR166TestCase extends Test
335		SHORT_DELAY_MS = getShortDelay();
336		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
337		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
338	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
338	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
339	>	}
340	>
341	>	/**
342	>	* Returns a timeout in milliseconds to be used in tests that
343	>	* verify that operations block or time out.
344	>	*/
345	>	long timeoutMillis() {
346	>	return SHORT_DELAY_MS / 4;
347	>	}
348	>
349	>	/**
350	>	* Returns a new Date instance representing a time delayMillis
351	>	* milliseconds in the future.
352	>	*/
353	>	Date delayedDate(long delayMillis) {
354	>	return new Date(System.currentTimeMillis() + delayMillis);
355		}
356
357		/**
#	Line 238 | Line 375 | public class JSR166TestCase extends Test
375		}
376
377		/**
378	+	* Extra checks that get done for all test cases.
379	+	*
380		* Triggers test case failure if any thread assertions have failed,
381		* by rethrowing, in the test harness thread, any exception recorded
382		* earlier by threadRecordFailure.
383	+	*
384	+	* Triggers test case failure if interrupt status is set in the main thread.
385		*/
386		public void tearDown() throws Exception {
387	<	Throwable t = threadFailure.get();
387	>	Throwable t = threadFailure.getAndSet(null);
388		if (t != null) {
389		if (t instanceof Error)
390		throw (Error) t;
#	Line 251 | Line 392 | public class JSR166TestCase extends Test
392		throw (RuntimeException) t;
393		else if (t instanceof Exception)
394		throw (Exception) t;
395	<	else
396	<	throw new AssertionError(t);
395	>	else {
396	>	AssertionFailedError afe =
397	>	new AssertionFailedError(t.toString());
398	>	afe.initCause(t);
399	>	throw afe;
400	>	}
401	>	}
402	>
403	>	if (Thread.interrupted())
404	>	throw new AssertionFailedError("interrupt status set in main thread");
405	>
406	>	checkForkJoinPoolThreadLeaks();
407	>	}
408	>
409	>	/**
410	>	* Find missing try { ... } finally { joinPool(e); }
411	>	*/
412	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
413	>	Thread[] survivors = new Thread[5];
414	>	int count = Thread.enumerate(survivors);
415	>	for (int i = 0; i < count; i++) {
416	>	Thread thread = survivors[i];
417	>	String name = thread.getName();
418	>	if (name.startsWith("ForkJoinPool-")) {
419	>	// give thread some time to terminate
420	>	thread.join(LONG_DELAY_MS);
421	>	if (!thread.isAlive()) continue;
422	>	thread.stop();
423	>	throw new AssertionFailedError
424	>	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
425	>	toString(), name));
426	>	}
427		}
428		}
429
430		/**
431		* Just like fail(reason), but additionally recording (using
432	<	* threadRecordFailure) any AssertionError thrown, so that the current
433	<	* testcase will fail.
432	>	* threadRecordFailure) any AssertionFailedError thrown, so that
433	>	* the current testcase will fail.
434		*/
435		public void threadFail(String reason) {
436		try {
437		fail(reason);
438	<	} catch (Throwable t) {
438	>	} catch (AssertionFailedError t) {
439		threadRecordFailure(t);
440		fail(reason);
441		}
#	Line 272 | Line 443 | public class JSR166TestCase extends Test
443
444		/**
445		* Just like assertTrue(b), but additionally recording (using
446	<	* threadRecordFailure) any AssertionError thrown, so that the current
447	<	* testcase will fail.
446	>	* threadRecordFailure) any AssertionFailedError thrown, so that
447	>	* the current testcase will fail.
448		*/
449		public void threadAssertTrue(boolean b) {
450		try {
451		assertTrue(b);
452	<	} catch (AssertionError t) {
452	>	} catch (AssertionFailedError t) {
453		threadRecordFailure(t);
454		throw t;
455		}
#	Line 286 | Line 457 | public class JSR166TestCase extends Test
457
458		/**
459		* Just like assertFalse(b), but additionally recording (using
460	<	* threadRecordFailure) any AssertionError thrown, so that the
461	<	* current testcase will fail.
460	>	* threadRecordFailure) any AssertionFailedError thrown, so that
461	>	* the current testcase will fail.
462		*/
463		public void threadAssertFalse(boolean b) {
464		try {
465		assertFalse(b);
466	<	} catch (AssertionError t) {
466	>	} catch (AssertionFailedError t) {
467		threadRecordFailure(t);
468		throw t;
469		}
#	Line 300 | Line 471 | public class JSR166TestCase extends Test
471
472		/**
473		* Just like assertNull(x), but additionally recording (using
474	<	* threadRecordFailure) any AssertionError thrown, so that the
475	<	* current testcase will fail.
474	>	* threadRecordFailure) any AssertionFailedError thrown, so that
475	>	* the current testcase will fail.
476		*/
477		public void threadAssertNull(Object x) {
478		try {
479		assertNull(x);
480	<	} catch (AssertionError t) {
480	>	} catch (AssertionFailedError t) {
481		threadRecordFailure(t);
482		throw t;
483		}
#	Line 314 | Line 485 | public class JSR166TestCase extends Test
485
486		/**
487		* Just like assertEquals(x, y), but additionally recording (using
488	<	* threadRecordFailure) any AssertionError thrown, so that the
489	<	* current testcase will fail.
488	>	* threadRecordFailure) any AssertionFailedError thrown, so that
489	>	* the current testcase will fail.
490		*/
491		public void threadAssertEquals(long x, long y) {
492		try {
493		assertEquals(x, y);
494	<	} catch (AssertionError t) {
494	>	} catch (AssertionFailedError t) {
495		threadRecordFailure(t);
496		throw t;
497		}
#	Line 328 | Line 499 | public class JSR166TestCase extends Test
499
500		/**
501		* Just like assertEquals(x, y), but additionally recording (using
502	<	* threadRecordFailure) any AssertionError thrown, so that the
503	<	* current testcase will fail.
502	>	* threadRecordFailure) any AssertionFailedError thrown, so that
503	>	* the current testcase will fail.
504		*/
505		public void threadAssertEquals(Object x, Object y) {
506		try {
507		assertEquals(x, y);
508	<	} catch (AssertionError t) {
508	>	} catch (AssertionFailedError t) {
509		threadRecordFailure(t);
510		throw t;
511	+	} catch (Throwable t) {
512	+	threadUnexpectedException(t);
513		}
514		}
515
516		/**
517		* Just like assertSame(x, y), but additionally recording (using
518	<	* threadRecordFailure) any AssertionError thrown, so that the
519	<	* current testcase will fail.
518	>	* threadRecordFailure) any AssertionFailedError thrown, so that
519	>	* the current testcase will fail.
520		*/
521		public void threadAssertSame(Object x, Object y) {
522		try {
523		assertSame(x, y);
524	<	} catch (AssertionError t) {
524	>	} catch (AssertionFailedError t) {
525		threadRecordFailure(t);
526		throw t;
527		}
#	Line 369 | Line 542 | public class JSR166TestCase extends Test
542		}
543
544		/**
545	<	* Calls threadFail with message "Unexpected exception" + ex.
545	>	* Records the given exception using {@link #threadRecordFailure},
546	>	* then rethrows the exception, wrapping it in an
547	>	* AssertionFailedError if necessary.
548		*/
549		public void threadUnexpectedException(Throwable t) {
550		threadRecordFailure(t);
551		t.printStackTrace();
377	–	// Rethrow, wrapping in an AssertionError if necessary
552		if (t instanceof RuntimeException)
553		throw (RuntimeException) t;
554		else if (t instanceof Error)
555		throw (Error) t;
556		else {
557	<	AssertionError ae = new AssertionError("unexpected exception: " + t);
558	<	t.initCause(t);
559	<	throw ae;
557	>	AssertionFailedError afe =
558	>	new AssertionFailedError("unexpected exception: " + t);
559	>	afe.initCause(t);
560	>	throw afe;
561	>	}
562	>	}
563	>
564	>	/**
565	>	* Delays, via Thread.sleep, for the given millisecond delay, but
566	>	* if the sleep is shorter than specified, may re-sleep or yield
567	>	* until time elapses.
568	>	*/
569	>	static void delay(long millis) throws InterruptedException {
570	>	long startTime = System.nanoTime();
571	>	long ns = millis * 1000 * 1000;
572	>	for (;;) {
573	>	if (millis > 0L)
574	>	Thread.sleep(millis);
575	>	else // too short to sleep
576	>	Thread.yield();
577	>	long d = ns - (System.nanoTime() - startTime);
578	>	if (d > 0L)
579	>	millis = d / (1000 * 1000);
580	>	else
581	>	break;
582		}
583		}
584
585		/**
586		* Waits out termination of a thread pool or fails doing so.
587		*/
588	<	public void joinPool(ExecutorService exec) {
588	>	void joinPool(ExecutorService exec) {
589		try {
590		exec.shutdown();
591		assertTrue("ExecutorService did not terminate in a timely manner",
592	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
592	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
593		} catch (SecurityException ok) {
594		// Allowed in case test doesn't have privs
595		} catch (InterruptedException ie) {
#	Line 401 | Line 597 | public class JSR166TestCase extends Test
597		}
598		}
599
600	+	/**
601	+	* A debugging tool to print all stack traces, as jstack does.
602	+	*/
603	+	static void printAllStackTraces() {
604	+	for (ThreadInfo info :
605	+	ManagementFactory.getThreadMXBean()
606	+	.dumpAllThreads(true, true))
607	+	System.err.print(info);
608	+	}
609	+
610	+	/**
611	+	* Checks that thread does not terminate within the default
612	+	* millisecond delay of {@code timeoutMillis()}.
613	+	*/
614	+	void assertThreadStaysAlive(Thread thread) {
615	+	assertThreadStaysAlive(thread, timeoutMillis());
616	+	}
617	+
618	+	/**
619	+	* Checks that thread does not terminate within the given millisecond delay.
620	+	*/
621	+	void assertThreadStaysAlive(Thread thread, long millis) {
622	+	try {
623	+	// No need to optimize the failing case via Thread.join.
624	+	delay(millis);
625	+	assertTrue(thread.isAlive());
626	+	} catch (InterruptedException ie) {
627	+	fail("Unexpected InterruptedException");
628	+	}
629	+	}
630	+
631	+	/**
632	+	* Checks that the threads do not terminate within the default
633	+	* millisecond delay of {@code timeoutMillis()}.
634	+	*/
635	+	void assertThreadsStayAlive(Thread... threads) {
636	+	assertThreadsStayAlive(timeoutMillis(), threads);
637	+	}
638	+
639	+	/**
640	+	* Checks that the threads do not terminate within the given millisecond delay.
641	+	*/
642	+	void assertThreadsStayAlive(long millis, Thread... threads) {
643	+	try {
644	+	// No need to optimize the failing case via Thread.join.
645	+	delay(millis);
646	+	for (Thread thread : threads)
647	+	assertTrue(thread.isAlive());
648	+	} catch (InterruptedException ie) {
649	+	fail("Unexpected InterruptedException");
650	+	}
651	+	}
652	+
653	+	/**
654	+	* Checks that future.get times out, with the default timeout of
655	+	* {@code timeoutMillis()}.
656	+	*/
657	+	void assertFutureTimesOut(Future future) {
658	+	assertFutureTimesOut(future, timeoutMillis());
659	+	}
660	+
661	+	/**
662	+	* Checks that future.get times out, with the given millisecond timeout.
663	+	*/
664	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
665	+	long startTime = System.nanoTime();
666	+	try {
667	+	future.get(timeoutMillis, MILLISECONDS);
668	+	shouldThrow();
669	+	} catch (TimeoutException success) {
670	+	} catch (Exception e) {
671	+	threadUnexpectedException(e);
672	+	} finally { future.cancel(true); }
673	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
674	+	}
675
676		/**
677		* Fails with message "should throw exception".
#	Line 417 | Line 688 | public class JSR166TestCase extends Test
688		}
689
690		/**
420	–	* Fails with message "Unexpected exception: " + ex.
421	–	*/
422	–	public void unexpectedException(Throwable ex) {
423	–	ex.printStackTrace();
424	–	fail("Unexpected exception: " + ex);
425	–	}
426	–
427	–
428	–	/**
691		* The number of elements to place in collections, arrays, etc.
692		*/
693		public static final int SIZE = 20;
#	Line 450 | Line 712 | public class JSR166TestCase extends Test
712		public static final Integer m6  = new Integer(-6);
713		public static final Integer m10 = new Integer(-10);
714
453	–
715		/**
716		* Runs Runnable r with a security policy that permits precisely
717		* the specified permissions.  If there is no current security
#	Line 462 | Line 723 | public class JSR166TestCase extends Test
723		SecurityManager sm = System.getSecurityManager();
724		if (sm == null) {
725		r.run();
726	+	}
727	+	runWithSecurityManagerWithPermissions(r, permissions);
728	+	}
729	+
730	+	/**
731	+	* Runs Runnable r with a security policy that permits precisely
732	+	* the specified permissions.  If there is no current security
733	+	* manager, a temporary one is set for the duration of the
734	+	* Runnable.  We require that any security manager permit
735	+	* getPolicy/setPolicy.
736	+	*/
737	+	public void runWithSecurityManagerWithPermissions(Runnable r,
738	+	Permission... permissions) {
739	+	SecurityManager sm = System.getSecurityManager();
740	+	if (sm == null) {
741		Policy savedPolicy = Policy.getPolicy();
742		try {
743		Policy.setPolicy(permissivePolicy());
744		System.setSecurityManager(new SecurityManager());
745	<	runWithPermissions(r, permissions);
745	>	runWithSecurityManagerWithPermissions(r, permissions);
746		} finally {
747		System.setSecurityManager(null);
748		Policy.setPolicy(savedPolicy);
#	Line 514 | Line 790 | public class JSR166TestCase extends Test
790		return perms.implies(p);
791		}
792		public void refresh() {}
793	+	public String toString() {
794	+	List<Permission> ps = new ArrayList<Permission>();
795	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
796	+	ps.add(e.nextElement());
797	+	return "AdjustablePolicy with permissions " + ps;
798	+	}
799		}
800
801		/**
#	Line 536 | Line 818 | public class JSR166TestCase extends Test
818		}
819
820		/**
821	<	* Sleep until the timeout has elapsed, or interrupted.
822	<	* Does <em>NOT</em> throw InterruptedException.
821	>	* Sleeps until the given time has elapsed.
822	>	* Throws AssertionFailedError if interrupted.
823		*/
824	<	void sleepTillInterrupted(long timeoutMillis) {
824	>	void sleep(long millis) {
825		try {
826	<	Thread.sleep(timeoutMillis);
827	<	} catch (InterruptedException wakeup) {}
826	>	delay(millis);
827	>	} catch (InterruptedException ie) {
828	>	AssertionFailedError afe =
829	>	new AssertionFailedError("Unexpected InterruptedException");
830	>	afe.initCause(ie);
831	>	throw afe;
832	>	}
833		}
834
835		/**
836	<	* Returns a new started Thread running the given runnable.
836	>	* Spin-waits up to the specified number of milliseconds for the given
837	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
838	>	*/
839	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
840	>	long startTime = System.nanoTime();
841	>	for (;;) {
842	>	Thread.State s = thread.getState();
843	>	if (s == Thread.State.BLOCKED ||
844	>	s == Thread.State.WAITING ||
845	>	s == Thread.State.TIMED_WAITING)
846	>	return;
847	>	else if (s == Thread.State.TERMINATED)
848	>	fail("Unexpected thread termination");
849	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
850	>	threadAssertTrue(thread.isAlive());
851	>	return;
852	>	}
853	>	Thread.yield();
854	>	}
855	>	}
856	>
857	>	/**
858	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
859	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
860	>	*/
861	>	void waitForThreadToEnterWaitState(Thread thread) {
862	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
863	>	}
864	>
865	>	/**
866	>	* Returns the number of milliseconds since time given by
867	>	* startNanoTime, which must have been previously returned from a
868	>	* call to {@link System.nanoTime()}.
869	>	*/
870	>	long millisElapsedSince(long startNanoTime) {
871	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
872	>	}
873	>
874	>	/**
875	>	* Returns a new started daemon Thread running the given runnable.
876		*/
877		Thread newStartedThread(Runnable runnable) {
878		Thread t = new Thread(runnable);
879	+	t.setDaemon(true);
880		t.start();
881		return t;
882		}
883
884	+	/**
885	+	* Waits for the specified time (in milliseconds) for the thread
886	+	* to terminate (using {@link Thread#join(long)}), else interrupts
887	+	* the thread (in the hope that it may terminate later) and fails.
888	+	*/
889	+	void awaitTermination(Thread t, long timeoutMillis) {
890	+	try {
891	+	t.join(timeoutMillis);
892	+	} catch (InterruptedException ie) {
893	+	threadUnexpectedException(ie);
894	+	} finally {
895	+	if (t.getState() != Thread.State.TERMINATED) {
896	+	t.interrupt();
897	+	fail("Test timed out");
898	+	}
899	+	}
900	+	}
901	+
902	+	/**
903	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
904	+	* terminate (using {@link Thread#join(long)}), else interrupts
905	+	* the thread (in the hope that it may terminate later) and fails.
906	+	*/
907	+	void awaitTermination(Thread t) {
908	+	awaitTermination(t, LONG_DELAY_MS);
909	+	}
910	+
911		// Some convenient Runnable classes
912
913		public abstract class CheckedRunnable implements Runnable {
#	Line 616 | Line 970 | public class JSR166TestCase extends Test
970		realRun();
971		threadShouldThrow("InterruptedException");
972		} catch (InterruptedException success) {
973	+	threadAssertFalse(Thread.interrupted());
974		} catch (Throwable t) {
975		threadUnexpectedException(t);
976		}
#	Line 645 | Line 1000 | public class JSR166TestCase extends Test
1000		threadShouldThrow("InterruptedException");
1001		return result;
1002		} catch (InterruptedException success) {
1003	+	threadAssertFalse(Thread.interrupted());
1004		} catch (Throwable t) {
1005		threadUnexpectedException(t);
1006		}
#	Line 668 | Line 1024 | public class JSR166TestCase extends Test
1024
1025		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1026		return new CheckedCallable<String>() {
1027	<	public String realCall() {
1027	>	protected String realCall() {
1028		try {
1029		latch.await();
1030		} catch (InterruptedException quittingTime) {}
#	Line 676 | Line 1032 | public class JSR166TestCase extends Test
1032		}};
1033		}
1034
1035	+	public Runnable awaiter(final CountDownLatch latch) {
1036	+	return new CheckedRunnable() {
1037	+	public void realRun() throws InterruptedException {
1038	+	await(latch);
1039	+	}};
1040	+	}
1041	+
1042	+	public void await(CountDownLatch latch) {
1043	+	try {
1044	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1045	+	} catch (Throwable t) {
1046	+	threadUnexpectedException(t);
1047	+	}
1048	+	}
1049	+
1050	+	public void await(Semaphore semaphore) {
1051	+	try {
1052	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1053	+	} catch (Throwable t) {
1054	+	threadUnexpectedException(t);
1055	+	}
1056	+	}
1057	+
1058	+	//     /**
1059	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1060	+	//      */
1061	+	//     public void await(AtomicBoolean flag) {
1062	+	//         await(flag, LONG_DELAY_MS);
1063	+	//     }
1064	+
1065	+	//     /**
1066	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1067	+	//      */
1068	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1069	+	//         long startTime = System.nanoTime();
1070	+	//         while (!flag.get()) {
1071	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1072	+	//                 throw new AssertionFailedError("timed out");
1073	+	//             Thread.yield();
1074	+	//         }
1075	+	//     }
1076	+
1077		public static class NPETask implements Callable<String> {
1078		public String call() { throw new NullPointerException(); }
1079		}
#	Line 686 | Line 1084 | public class JSR166TestCase extends Test
1084
1085		public class ShortRunnable extends CheckedRunnable {
1086		protected void realRun() throws Throwable {
1087	<	Thread.sleep(SHORT_DELAY_MS);
1087	>	delay(SHORT_DELAY_MS);
1088		}
1089		}
1090
1091		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1092		protected void realRun() throws InterruptedException {
1093	<	Thread.sleep(SHORT_DELAY_MS);
1093	>	delay(SHORT_DELAY_MS);
1094		}
1095		}
1096
1097		public class SmallRunnable extends CheckedRunnable {
1098		protected void realRun() throws Throwable {
1099	<	Thread.sleep(SMALL_DELAY_MS);
1099	>	delay(SMALL_DELAY_MS);
1100		}
1101		}
1102
1103		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1104		protected void realRun() {
1105		try {
1106	<	Thread.sleep(SMALL_DELAY_MS);
1106	>	delay(SMALL_DELAY_MS);
1107		} catch (InterruptedException ok) {}
1108		}
1109		}
1110
1111		public class SmallCallable extends CheckedCallable {
1112		protected Object realCall() throws InterruptedException {
1113	<	Thread.sleep(SMALL_DELAY_MS);
1113	>	delay(SMALL_DELAY_MS);
1114		return Boolean.TRUE;
1115		}
1116		}
1117
720	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
721	–	protected void realRun() throws InterruptedException {
722	–	Thread.sleep(SMALL_DELAY_MS);
723	–	}
724	–	}
725	–
1118		public class MediumRunnable extends CheckedRunnable {
1119		protected void realRun() throws Throwable {
1120	<	Thread.sleep(MEDIUM_DELAY_MS);
1120	>	delay(MEDIUM_DELAY_MS);
1121		}
1122		}
1123
1124		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1125		protected void realRun() throws InterruptedException {
1126	<	Thread.sleep(MEDIUM_DELAY_MS);
1126	>	delay(MEDIUM_DELAY_MS);
1127		}
1128		}
1129
1130	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1131	+	return new CheckedRunnable() {
1132	+	protected void realRun() {
1133	+	try {
1134	+	delay(timeoutMillis);
1135	+	} catch (InterruptedException ok) {}
1136	+	}};
1137	+	}
1138	+
1139		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1140		protected void realRun() {
1141		try {
1142	<	Thread.sleep(MEDIUM_DELAY_MS);
1142	>	delay(MEDIUM_DELAY_MS);
1143		} catch (InterruptedException ok) {}
1144		}
1145		}
#	Line 746 | Line 1147 | public class JSR166TestCase extends Test
1147		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1148		protected void realRun() {
1149		try {
1150	<	Thread.sleep(LONG_DELAY_MS);
1150	>	delay(LONG_DELAY_MS);
1151		} catch (InterruptedException ok) {}
1152		}
1153		}
#	Line 760 | Line 1161 | public class JSR166TestCase extends Test
1161		}
1162		}
1163
1164	+	public interface TrackedRunnable extends Runnable {
1165	+	boolean isDone();
1166	+	}
1167	+
1168	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1169	+	return new TrackedRunnable() {
1170	+	private volatile boolean done = false;
1171	+	public boolean isDone() { return done; }
1172	+	public void run() {
1173	+	try {
1174	+	delay(timeoutMillis);
1175	+	done = true;
1176	+	} catch (InterruptedException ok) {}
1177	+	}
1178	+	};
1179	+	}
1180	+
1181		public static class TrackedShortRunnable implements Runnable {
1182		public volatile boolean done = false;
1183		public void run() {
1184		try {
1185	<	Thread.sleep(SMALL_DELAY_MS);
1185	>	delay(SHORT_DELAY_MS);
1186	>	done = true;
1187	>	} catch (InterruptedException ok) {}
1188	>	}
1189	>	}
1190	>
1191	>	public static class TrackedSmallRunnable implements Runnable {
1192	>	public volatile boolean done = false;
1193	>	public void run() {
1194	>	try {
1195	>	delay(SMALL_DELAY_MS);
1196		done = true;
1197		} catch (InterruptedException ok) {}
1198		}
#	Line 774 | Line 1202 | public class JSR166TestCase extends Test
1202		public volatile boolean done = false;
1203		public void run() {
1204		try {
1205	<	Thread.sleep(MEDIUM_DELAY_MS);
1205	>	delay(MEDIUM_DELAY_MS);
1206		done = true;
1207		} catch (InterruptedException ok) {}
1208		}
#	Line 784 | Line 1212 | public class JSR166TestCase extends Test
1212		public volatile boolean done = false;
1213		public void run() {
1214		try {
1215	<	Thread.sleep(LONG_DELAY_MS);
1215	>	delay(LONG_DELAY_MS);
1216		done = true;
1217		} catch (InterruptedException ok) {}
1218		}
#	Line 801 | Line 1229 | public class JSR166TestCase extends Test
1229		public volatile boolean done = false;
1230		public Object call() {
1231		try {
1232	<	Thread.sleep(SMALL_DELAY_MS);
1232	>	delay(SMALL_DELAY_MS);
1233		done = true;
1234		} catch (InterruptedException ok) {}
1235		return Boolean.TRUE;
#	Line 814 | Line 1242 | public class JSR166TestCase extends Test
1242		public abstract class CheckedRecursiveAction extends RecursiveAction {
1243		protected abstract void realCompute() throws Throwable;
1244
1245	<	public final void compute() {
1245	>	@Override protected final void compute() {
1246		try {
1247		realCompute();
1248		} catch (Throwable t) {
#	Line 829 | Line 1257 | public class JSR166TestCase extends Test
1257		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1258		protected abstract T realCompute() throws Throwable;
1259
1260	<	public final T compute() {
1260	>	@Override protected final T compute() {
1261		try {
1262		return realCompute();
1263		} catch (Throwable t) {
#	Line 847 | Line 1275 | public class JSR166TestCase extends Test
1275		ThreadPoolExecutor executor) {}
1276		}
1277
1278	+	/**
1279	+	* A CyclicBarrier that uses timed await and fails with
1280	+	* AssertionFailedErrors instead of throwing checked exceptions.
1281	+	*/
1282	+	public class CheckedBarrier extends CyclicBarrier {
1283	+	public CheckedBarrier(int parties) { super(parties); }
1284	+
1285	+	public int await() {
1286	+	try {
1287	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1288	+	} catch (TimeoutException e) {
1289	+	throw new AssertionFailedError("timed out");
1290	+	} catch (Exception e) {
1291	+	AssertionFailedError afe =
1292	+	new AssertionFailedError("Unexpected exception: " + e);
1293	+	afe.initCause(e);
1294	+	throw afe;
1295	+	}
1296	+	}
1297	+	}
1298	+
1299	+	void checkEmpty(BlockingQueue q) {
1300	+	try {
1301	+	assertTrue(q.isEmpty());
1302	+	assertEquals(0, q.size());
1303	+	assertNull(q.peek());
1304	+	assertNull(q.poll());
1305	+	assertNull(q.poll(0, MILLISECONDS));
1306	+	assertEquals(q.toString(), "[]");
1307	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1308	+	assertFalse(q.iterator().hasNext());
1309	+	try {
1310	+	q.element();
1311	+	shouldThrow();
1312	+	} catch (NoSuchElementException success) {}
1313	+	try {
1314	+	q.iterator().next();
1315	+	shouldThrow();
1316	+	} catch (NoSuchElementException success) {}
1317	+	try {
1318	+	q.remove();
1319	+	shouldThrow();
1320	+	} catch (NoSuchElementException success) {}
1321	+	} catch (InterruptedException ie) {
1322	+	threadUnexpectedException(ie);
1323	+	}
1324	+	}
1325	+
1326	+	void assertSerialEquals(Object x, Object y) {
1327	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1328	+	}
1329	+
1330	+	void assertNotSerialEquals(Object x, Object y) {
1331	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1332	+	}
1333	+
1334	+	byte[] serialBytes(Object o) {
1335	+	try {
1336	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1337	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1338	+	oos.writeObject(o);
1339	+	oos.flush();
1340	+	oos.close();
1341	+	return bos.toByteArray();
1342	+	} catch (Throwable t) {
1343	+	threadUnexpectedException(t);
1344	+	return new byte[0];
1345	+	}
1346	+	}
1347	+
1348	+	@SuppressWarnings("unchecked")
1349	+	<T> T serialClone(T o) {
1350	+	try {
1351	+	ObjectInputStream ois = new ObjectInputStream
1352	+	(new ByteArrayInputStream(serialBytes(o)));
1353	+	T clone = (T) ois.readObject();
1354	+	assertSame(o.getClass(), clone.getClass());
1355	+	return clone;
1356	+	} catch (Throwable t) {
1357	+	threadUnexpectedException(t);
1358	+	return null;
1359	+	}
1360	+	}
1361	+
1362	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1363	+	Runnable... throwingActions) {
1364	+	for (Runnable throwingAction : throwingActions) {
1365	+	boolean threw = false;
1366	+	try { throwingAction.run(); }
1367	+	catch (Throwable t) {
1368	+	threw = true;
1369	+	if (!expectedExceptionClass.isInstance(t)) {
1370	+	AssertionFailedError afe =
1371	+	new AssertionFailedError
1372	+	("Expected " + expectedExceptionClass.getName() +
1373	+	", got " + t.getClass().getName());
1374	+	afe.initCause(t);
1375	+	threadUnexpectedException(afe);
1376	+	}
1377	+	}
1378	+	if (!threw)
1379	+	shouldThrow(expectedExceptionClass.getName());
1380	+	}
1381	+	}
1382		}

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