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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 1.103 by dl, Wed Mar 20 20:29:02 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	+	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 105 | 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)
110	<	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 117 | 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	+	public static void addNamedTestClasses(TestSuite suite,
186	+	String... testClassNames) {
187	+	for (String testClassName : testClassNames) {
188	+	try {
189	+	Class<?> testClass = Class.forName(testClassName);
190	+	Method m = testClass.getDeclaredMethod("suite",
191	+	new Class<?>[0]);
192	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
193	+	} catch (Exception e) {
194	+	throw new Error("Missing test class", e);
195	+	}
196	+	}
197	+	}
198	+
199	+	public static final double JAVA_CLASS_VERSION;
200	+	static {
201	+	try {
202	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
203	+	new java.security.PrivilegedAction<Double>() {
204	+	public Double run() {
205	+	return Double.valueOf(System.getProperty("java.class.version"));}});
206	+	} catch (Throwable t) {
207	+	throw new Error(t);
208	+	}
209	+	}
210	+
211	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
212	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
213	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
214	+
215		/**
216	<	* Collects all JSR166 unit tests as one suite
216	>	* Collects all JSR166 unit tests as one suite.
217		*/
218		public static Test suite() {
219	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
220	<
221	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
222	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
223	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
224	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
225	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
226	<	suite.addTest(new TestSuite(PhaserTest.class));
227	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
228	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
229	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
230	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
231	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
232	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
233	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
234	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
235	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
236	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
237	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
238	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
239	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
240	<	suite.addTest(new TestSuite(AtomicLongTest.class));
241	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
242	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
243	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
244	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
245	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
246	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
247	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
248	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
249	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
250	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
251	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
252	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
253	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
254	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
255	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
256	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
257	<	suite.addTest(new TestSuite(DelayQueueTest.class));
258	<	suite.addTest(new TestSuite(EntryTest.class));
259	<	suite.addTest(new TestSuite(ExchangerTest.class));
260	<	suite.addTest(new TestSuite(ExecutorsTest.class));
261	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
262	<	suite.addTest(new TestSuite(FutureTaskTest.class));
263	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
264	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
265	<	suite.addTest(new TestSuite(LinkedListTest.class));
266	<	suite.addTest(new TestSuite(LockSupportTest.class));
267	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
268	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
269	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
270	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
271	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
272	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
273	<	suite.addTest(new TestSuite(SemaphoreTest.class));
274	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
275	<	suite.addTest(new TestSuite(SystemTest.class));
276	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
277	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
278	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
279	<	suite.addTest(new TestSuite(ThreadTest.class));
280	<	suite.addTest(new TestSuite(TimeUnitTest.class));
281	<	suite.addTest(new TestSuite(TreeMapTest.class));
282	<	suite.addTest(new TestSuite(TreeSetTest.class));
283	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
284	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
219	>	// Java7+ test classes
220	>	TestSuite suite = newTestSuite(
221	>	ForkJoinPoolTest.suite(),
222	>	ForkJoinTaskTest.suite(),
223	>	RecursiveActionTest.suite(),
224	>	RecursiveTaskTest.suite(),
225	>	LinkedTransferQueueTest.suite(),
226	>	PhaserTest.suite(),
227	>	ThreadLocalRandomTest.suite(),
228	>	AbstractExecutorServiceTest.suite(),
229	>	AbstractQueueTest.suite(),
230	>	AbstractQueuedSynchronizerTest.suite(),
231	>	AbstractQueuedLongSynchronizerTest.suite(),
232	>	ArrayBlockingQueueTest.suite(),
233	>	ArrayDequeTest.suite(),
234	>	AtomicBooleanTest.suite(),
235	>	AtomicIntegerArrayTest.suite(),
236	>	AtomicIntegerFieldUpdaterTest.suite(),
237	>	AtomicIntegerTest.suite(),
238	>	AtomicLongArrayTest.suite(),
239	>	AtomicLongFieldUpdaterTest.suite(),
240	>	AtomicLongTest.suite(),
241	>	AtomicMarkableReferenceTest.suite(),
242	>	AtomicReferenceArrayTest.suite(),
243	>	AtomicReferenceFieldUpdaterTest.suite(),
244	>	AtomicReferenceTest.suite(),
245	>	AtomicStampedReferenceTest.suite(),
246	>	ConcurrentHashMapTest.suite(),
247	>	ConcurrentLinkedDequeTest.suite(),
248	>	ConcurrentLinkedQueueTest.suite(),
249	>	ConcurrentSkipListMapTest.suite(),
250	>	ConcurrentSkipListSubMapTest.suite(),
251	>	ConcurrentSkipListSetTest.suite(),
252	>	ConcurrentSkipListSubSetTest.suite(),
253	>	CopyOnWriteArrayListTest.suite(),
254	>	CopyOnWriteArraySetTest.suite(),
255	>	CountDownLatchTest.suite(),
256	>	CyclicBarrierTest.suite(),
257	>	DelayQueueTest.suite(),
258	>	EntryTest.suite(),
259	>	ExchangerTest.suite(),
260	>	ExecutorsTest.suite(),
261	>	ExecutorCompletionServiceTest.suite(),
262	>	FutureTaskTest.suite(),
263	>	LinkedBlockingDequeTest.suite(),
264	>	LinkedBlockingQueueTest.suite(),
265	>	LinkedListTest.suite(),
266	>	LockSupportTest.suite(),
267	>	PriorityBlockingQueueTest.suite(),
268	>	PriorityQueueTest.suite(),
269	>	ReentrantLockTest.suite(),
270	>	ReentrantReadWriteLockTest.suite(),
271	>	ScheduledExecutorTest.suite(),
272	>	ScheduledExecutorSubclassTest.suite(),
273	>	SemaphoreTest.suite(),
274	>	SynchronousQueueTest.suite(),
275	>	SystemTest.suite(),
276	>	ThreadLocalTest.suite(),
277	>	ThreadPoolExecutorTest.suite(),
278	>	ThreadPoolExecutorSubclassTest.suite(),
279	>	ThreadTest.suite(),
280	>	TimeUnitTest.suite(),
281	>	TreeMapTest.suite(),
282	>	TreeSetTest.suite(),
283	>	TreeSubMapTest.suite(),
284	>	TreeSubSetTest.suite());
285	>
286	>	// Java8+ test classes
287	>	if (atLeastJava8()) {
288	>	String[] java8TestClassNames = {
289	>	"LongAdderTest",
290	>	"LongAccumulatorTest",
291	>	"DoubleAdderTest",
292	>	"DoubleAccumulatorTest",
293	>	"CompletableFutureTest",
294	>	"ForkJoinPool8Test",
295	>	"StampedLockTest",
296	>	};
297	>	addNamedTestClasses(suite, java8TestClassNames);
298	>	}
299
300		return suite;
301		}
#	Line 206 | Line 315 | public class JSR166TestCase extends Test
315		return 50;
316		}
317
209	–
318		/**
319		* Sets delays as multiples of SHORT_DELAY.
320		*/
#	Line 214 | Line 322 | public class JSR166TestCase extends Test
322		SHORT_DELAY_MS = getShortDelay();
323		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
324		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
325	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
325	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
326	>	}
327	>
328	>	/**
329	>	* Returns a timeout in milliseconds to be used in tests that
330	>	* verify that operations block or time out.
331	>	*/
332	>	long timeoutMillis() {
333	>	return SHORT_DELAY_MS / 4;
334	>	}
335	>
336	>	/**
337	>	* Returns a new Date instance representing a time delayMillis
338	>	* milliseconds in the future.
339	>	*/
340	>	Date delayedDate(long delayMillis) {
341	>	return new Date(System.currentTimeMillis() + delayMillis);
342		}
343
344		/**
#	Line 238 | Line 362 | public class JSR166TestCase extends Test
362		}
363
364		/**
365	+	* Extra checks that get done for all test cases.
366	+	*
367		* Triggers test case failure if any thread assertions have failed,
368		* by rethrowing, in the test harness thread, any exception recorded
369		* earlier by threadRecordFailure.
370	+	*
371	+	* Triggers test case failure if interrupt status is set in the main thread.
372		*/
373		public void tearDown() throws Exception {
374	<	Throwable t = threadFailure.get();
374	>	Throwable t = threadFailure.getAndSet(null);
375		if (t != null) {
376		if (t instanceof Error)
377		throw (Error) t;
#	Line 251 | Line 379 | public class JSR166TestCase extends Test
379		throw (RuntimeException) t;
380		else if (t instanceof Exception)
381		throw (Exception) t;
382	<	else
383	<	throw new AssertionError(t);
382	>	else {
383	>	AssertionFailedError afe =
384	>	new AssertionFailedError(t.toString());
385	>	afe.initCause(t);
386	>	throw afe;
387	>	}
388	>	}
389	>
390	>	if (Thread.interrupted())
391	>	throw new AssertionFailedError("interrupt status set in main thread");
392	>
393	>	checkForkJoinPoolThreadLeaks();
394	>	}
395	>
396	>	/**
397	>	* Find missing try { ... } finally { joinPool(e); }
398	>	*/
399	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
400	>	Thread[] survivors = new Thread[5];
401	>	int count = Thread.enumerate(survivors);
402	>	for (int i = 0; i < count; i++) {
403	>	Thread thread = survivors[i];
404	>	String name = thread.getName();
405	>	if (name.startsWith("ForkJoinPool-")) {
406	>	// give thread some time to terminate
407	>	thread.join(LONG_DELAY_MS);
408	>	if (!thread.isAlive()) continue;
409	>	thread.stop();
410	>	throw new AssertionFailedError
411	>	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
412	>	toString(), name));
413	>	}
414		}
415		}
416
417		/**
418		* Just like fail(reason), but additionally recording (using
419	<	* threadRecordFailure) any AssertionError thrown, so that the current
420	<	* testcase will fail.
419	>	* threadRecordFailure) any AssertionFailedError thrown, so that
420	>	* the current testcase will fail.
421		*/
422		public void threadFail(String reason) {
423		try {
424		fail(reason);
425	<	} catch (Throwable t) {
425	>	} catch (AssertionFailedError t) {
426		threadRecordFailure(t);
427		fail(reason);
428		}
#	Line 272 | Line 430 | public class JSR166TestCase extends Test
430
431		/**
432		* Just like assertTrue(b), but additionally recording (using
433	<	* threadRecordFailure) any AssertionError thrown, so that the current
434	<	* testcase will fail.
433	>	* threadRecordFailure) any AssertionFailedError thrown, so that
434	>	* the current testcase will fail.
435		*/
436		public void threadAssertTrue(boolean b) {
437		try {
438		assertTrue(b);
439	<	} catch (AssertionError t) {
439	>	} catch (AssertionFailedError t) {
440		threadRecordFailure(t);
441		throw t;
442		}
#	Line 286 | Line 444 | public class JSR166TestCase extends Test
444
445		/**
446		* Just like assertFalse(b), but additionally recording (using
447	<	* threadRecordFailure) any AssertionError thrown, so that the
448	<	* current testcase will fail.
447	>	* threadRecordFailure) any AssertionFailedError thrown, so that
448	>	* the current testcase will fail.
449		*/
450		public void threadAssertFalse(boolean b) {
451		try {
452		assertFalse(b);
453	<	} catch (AssertionError t) {
453	>	} catch (AssertionFailedError t) {
454		threadRecordFailure(t);
455		throw t;
456		}
#	Line 300 | Line 458 | public class JSR166TestCase extends Test
458
459		/**
460		* Just like assertNull(x), but additionally recording (using
461	<	* threadRecordFailure) any AssertionError thrown, so that the
462	<	* current testcase will fail.
461	>	* threadRecordFailure) any AssertionFailedError thrown, so that
462	>	* the current testcase will fail.
463		*/
464		public void threadAssertNull(Object x) {
465		try {
466		assertNull(x);
467	<	} catch (AssertionError t) {
467	>	} catch (AssertionFailedError t) {
468		threadRecordFailure(t);
469		throw t;
470		}
#	Line 314 | Line 472 | public class JSR166TestCase extends Test
472
473		/**
474		* Just like assertEquals(x, y), but additionally recording (using
475	<	* threadRecordFailure) any AssertionError thrown, so that the
476	<	* current testcase will fail.
475	>	* threadRecordFailure) any AssertionFailedError thrown, so that
476	>	* the current testcase will fail.
477		*/
478		public void threadAssertEquals(long x, long y) {
479		try {
480		assertEquals(x, y);
481	<	} catch (AssertionError t) {
481	>	} catch (AssertionFailedError t) {
482		threadRecordFailure(t);
483		throw t;
484		}
#	Line 328 | Line 486 | public class JSR166TestCase extends Test
486
487		/**
488		* Just like assertEquals(x, y), but additionally recording (using
489	<	* threadRecordFailure) any AssertionError thrown, so that the
490	<	* current testcase will fail.
489	>	* threadRecordFailure) any AssertionFailedError thrown, so that
490	>	* the current testcase will fail.
491		*/
492		public void threadAssertEquals(Object x, Object y) {
493		try {
494		assertEquals(x, y);
495	<	} catch (AssertionError t) {
495	>	} catch (AssertionFailedError t) {
496		threadRecordFailure(t);
497		throw t;
498	+	} catch (Throwable t) {
499	+	threadUnexpectedException(t);
500		}
501		}
502
503		/**
504		* Just like assertSame(x, y), but additionally recording (using
505	<	* threadRecordFailure) any AssertionError thrown, so that the
506	<	* current testcase will fail.
505	>	* threadRecordFailure) any AssertionFailedError thrown, so that
506	>	* the current testcase will fail.
507		*/
508		public void threadAssertSame(Object x, Object y) {
509		try {
510		assertSame(x, y);
511	<	} catch (AssertionError t) {
511	>	} catch (AssertionFailedError t) {
512		threadRecordFailure(t);
513		throw t;
514		}
#	Line 369 | Line 529 | public class JSR166TestCase extends Test
529		}
530
531		/**
532	<	* Calls threadFail with message "Unexpected exception" + ex.
532	>	* Records the given exception using {@link #threadRecordFailure},
533	>	* then rethrows the exception, wrapping it in an
534	>	* AssertionFailedError if necessary.
535		*/
536		public void threadUnexpectedException(Throwable t) {
537		threadRecordFailure(t);
538		t.printStackTrace();
377	–	// Rethrow, wrapping in an AssertionError if necessary
539		if (t instanceof RuntimeException)
540		throw (RuntimeException) t;
541		else if (t instanceof Error)
542		throw (Error) t;
543		else {
544	<	AssertionError ae = new AssertionError("unexpected exception: " + t);
545	<	t.initCause(t);
546	<	throw ae;
544	>	AssertionFailedError afe =
545	>	new AssertionFailedError("unexpected exception: " + t);
546	>	afe.initCause(t);
547	>	throw afe;
548	>	}
549	>	}
550	>
551	>	/**
552	>	* Delays, via Thread.sleep, for the given millisecond delay, but
553	>	* if the sleep is shorter than specified, may re-sleep or yield
554	>	* until time elapses.
555	>	*/
556	>	static void delay(long millis) throws InterruptedException {
557	>	long startTime = System.nanoTime();
558	>	long ns = millis * 1000 * 1000;
559	>	for (;;) {
560	>	if (millis > 0L)
561	>	Thread.sleep(millis);
562	>	else // too short to sleep
563	>	Thread.yield();
564	>	long d = ns - (System.nanoTime() - startTime);
565	>	if (d > 0L)
566	>	millis = d / (1000 * 1000);
567	>	else
568	>	break;
569		}
570		}
571
572		/**
573		* Waits out termination of a thread pool or fails doing so.
574		*/
575	<	public void joinPool(ExecutorService exec) {
575	>	void joinPool(ExecutorService exec) {
576		try {
577		exec.shutdown();
578		assertTrue("ExecutorService did not terminate in a timely manner",
579	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
579	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
580		} catch (SecurityException ok) {
581		// Allowed in case test doesn't have privs
582		} catch (InterruptedException ie) {
#	Line 401 | Line 584 | public class JSR166TestCase extends Test
584		}
585		}
586
587	+	/**
588	+	* A debugging tool to print all stack traces, as jstack does.
589	+	*/
590	+	static void printAllStackTraces() {
591	+	for (ThreadInfo info :
592	+	ManagementFactory.getThreadMXBean()
593	+	.dumpAllThreads(true, true))
594	+	System.err.print(info);
595	+	}
596	+
597	+	/**
598	+	* Checks that thread does not terminate within the default
599	+	* millisecond delay of {@code timeoutMillis()}.
600	+	*/
601	+	void assertThreadStaysAlive(Thread thread) {
602	+	assertThreadStaysAlive(thread, timeoutMillis());
603	+	}
604	+
605	+	/**
606	+	* Checks that thread does not terminate within the given millisecond delay.
607	+	*/
608	+	void assertThreadStaysAlive(Thread thread, long millis) {
609	+	try {
610	+	// No need to optimize the failing case via Thread.join.
611	+	delay(millis);
612	+	assertTrue(thread.isAlive());
613	+	} catch (InterruptedException ie) {
614	+	fail("Unexpected InterruptedException");
615	+	}
616	+	}
617	+
618	+	/**
619	+	* Checks that the threads do not terminate within the default
620	+	* millisecond delay of {@code timeoutMillis()}.
621	+	*/
622	+	void assertThreadsStayAlive(Thread... threads) {
623	+	assertThreadsStayAlive(timeoutMillis(), threads);
624	+	}
625	+
626	+	/**
627	+	* Checks that the threads do not terminate within the given millisecond delay.
628	+	*/
629	+	void assertThreadsStayAlive(long millis, Thread... threads) {
630	+	try {
631	+	// No need to optimize the failing case via Thread.join.
632	+	delay(millis);
633	+	for (Thread thread : threads)
634	+	assertTrue(thread.isAlive());
635	+	} catch (InterruptedException ie) {
636	+	fail("Unexpected InterruptedException");
637	+	}
638	+	}
639	+
640	+	/**
641	+	* Checks that future.get times out, with the default timeout of
642	+	* {@code timeoutMillis()}.
643	+	*/
644	+	void assertFutureTimesOut(Future future) {
645	+	assertFutureTimesOut(future, timeoutMillis());
646	+	}
647	+
648	+	/**
649	+	* Checks that future.get times out, with the given millisecond timeout.
650	+	*/
651	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
652	+	long startTime = System.nanoTime();
653	+	try {
654	+	future.get(timeoutMillis, MILLISECONDS);
655	+	shouldThrow();
656	+	} catch (TimeoutException success) {
657	+	} catch (Exception e) {
658	+	threadUnexpectedException(e);
659	+	} finally { future.cancel(true); }
660	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
661	+	}
662
663		/**
664		* Fails with message "should throw exception".
#	Line 417 | Line 675 | public class JSR166TestCase extends Test
675		}
676
677		/**
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	–	/**
678		* The number of elements to place in collections, arrays, etc.
679		*/
680		public static final int SIZE = 20;
#	Line 462 | Line 711 | public class JSR166TestCase extends Test
711		SecurityManager sm = System.getSecurityManager();
712		if (sm == null) {
713		r.run();
714	+	}
715	+	runWithSecurityManagerWithPermissions(r, permissions);
716	+	}
717	+
718	+	/**
719	+	* Runs Runnable r with a security policy that permits precisely
720	+	* the specified permissions.  If there is no current security
721	+	* manager, a temporary one is set for the duration of the
722	+	* Runnable.  We require that any security manager permit
723	+	* getPolicy/setPolicy.
724	+	*/
725	+	public void runWithSecurityManagerWithPermissions(Runnable r,
726	+	Permission... permissions) {
727	+	SecurityManager sm = System.getSecurityManager();
728	+	if (sm == null) {
729		Policy savedPolicy = Policy.getPolicy();
730		try {
731		Policy.setPolicy(permissivePolicy());
732		System.setSecurityManager(new SecurityManager());
733	<	runWithPermissions(r, permissions);
733	>	runWithSecurityManagerWithPermissions(r, permissions);
734		} finally {
735		System.setSecurityManager(null);
736		Policy.setPolicy(savedPolicy);
#	Line 514 | Line 778 | public class JSR166TestCase extends Test
778		return perms.implies(p);
779		}
780		public void refresh() {}
781	+	public String toString() {
782	+	List<Permission> ps = new ArrayList<Permission>();
783	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
784	+	ps.add(e.nextElement());
785	+	return "AdjustablePolicy with permissions " + ps;
786	+	}
787		}
788
789		/**
#	Line 536 | Line 806 | public class JSR166TestCase extends Test
806		}
807
808		/**
809	<	* Sleep until the timeout has elapsed, or interrupted.
810	<	* Does <em>NOT</em> throw InterruptedException.
809	>	* Sleeps until the given time has elapsed.
810	>	* Throws AssertionFailedError if interrupted.
811		*/
812	<	void sleepTillInterrupted(long timeoutMillis) {
812	>	void sleep(long millis) {
813		try {
814	<	Thread.sleep(timeoutMillis);
815	<	} catch (InterruptedException wakeup) {}
814	>	delay(millis);
815	>	} catch (InterruptedException ie) {
816	>	AssertionFailedError afe =
817	>	new AssertionFailedError("Unexpected InterruptedException");
818	>	afe.initCause(ie);
819	>	throw afe;
820	>	}
821		}
822
823		/**
824	<	* Returns a new started Thread running the given runnable.
824	>	* Spin-waits up to the specified number of milliseconds for the given
825	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
826	>	*/
827	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
828	>	long startTime = System.nanoTime();
829	>	for (;;) {
830	>	Thread.State s = thread.getState();
831	>	if (s == Thread.State.BLOCKED ||
832	>	s == Thread.State.WAITING ||
833	>	s == Thread.State.TIMED_WAITING)
834	>	return;
835	>	else if (s == Thread.State.TERMINATED)
836	>	fail("Unexpected thread termination");
837	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
838	>	threadAssertTrue(thread.isAlive());
839	>	return;
840	>	}
841	>	Thread.yield();
842	>	}
843	>	}
844	>
845	>	/**
846	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
847	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
848	>	*/
849	>	void waitForThreadToEnterWaitState(Thread thread) {
850	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
851	>	}
852	>
853	>	/**
854	>	* Returns the number of milliseconds since time given by
855	>	* startNanoTime, which must have been previously returned from a
856	>	* call to {@link System.nanoTime()}.
857	>	*/
858	>	long millisElapsedSince(long startNanoTime) {
859	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
860	>	}
861	>
862	>	/**
863	>	* Returns a new started daemon Thread running the given runnable.
864		*/
865		Thread newStartedThread(Runnable runnable) {
866		Thread t = new Thread(runnable);
867	+	t.setDaemon(true);
868		t.start();
869		return t;
870		}
871
872	+	/**
873	+	* Waits for the specified time (in milliseconds) for the thread
874	+	* to terminate (using {@link Thread#join(long)}), else interrupts
875	+	* the thread (in the hope that it may terminate later) and fails.
876	+	*/
877	+	void awaitTermination(Thread t, long timeoutMillis) {
878	+	try {
879	+	t.join(timeoutMillis);
880	+	} catch (InterruptedException ie) {
881	+	threadUnexpectedException(ie);
882	+	} finally {
883	+	if (t.getState() != Thread.State.TERMINATED) {
884	+	t.interrupt();
885	+	fail("Test timed out");
886	+	}
887	+	}
888	+	}
889	+
890	+	/**
891	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
892	+	* terminate (using {@link Thread#join(long)}), else interrupts
893	+	* the thread (in the hope that it may terminate later) and fails.
894	+	*/
895	+	void awaitTermination(Thread t) {
896	+	awaitTermination(t, LONG_DELAY_MS);
897	+	}
898	+
899		// Some convenient Runnable classes
900
901		public abstract class CheckedRunnable implements Runnable {
#	Line 616 | Line 958 | public class JSR166TestCase extends Test
958		realRun();
959		threadShouldThrow("InterruptedException");
960		} catch (InterruptedException success) {
961	+	threadAssertFalse(Thread.interrupted());
962		} catch (Throwable t) {
963		threadUnexpectedException(t);
964		}
#	Line 645 | Line 988 | public class JSR166TestCase extends Test
988		threadShouldThrow("InterruptedException");
989		return result;
990		} catch (InterruptedException success) {
991	+	threadAssertFalse(Thread.interrupted());
992		} catch (Throwable t) {
993		threadUnexpectedException(t);
994		}
#	Line 668 | Line 1012 | public class JSR166TestCase extends Test
1012
1013		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1014		return new CheckedCallable<String>() {
1015	<	public String realCall() {
1015	>	protected String realCall() {
1016		try {
1017		latch.await();
1018		} catch (InterruptedException quittingTime) {}
#	Line 676 | Line 1020 | public class JSR166TestCase extends Test
1020		}};
1021		}
1022
1023	+	public Runnable awaiter(final CountDownLatch latch) {
1024	+	return new CheckedRunnable() {
1025	+	public void realRun() throws InterruptedException {
1026	+	await(latch);
1027	+	}};
1028	+	}
1029	+
1030	+	public void await(CountDownLatch latch) {
1031	+	try {
1032	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1033	+	} catch (Throwable t) {
1034	+	threadUnexpectedException(t);
1035	+	}
1036	+	}
1037	+
1038	+	public void await(Semaphore semaphore) {
1039	+	try {
1040	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1041	+	} catch (Throwable t) {
1042	+	threadUnexpectedException(t);
1043	+	}
1044	+	}
1045	+
1046	+	//     /**
1047	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1048	+	//      */
1049	+	//     public void await(AtomicBoolean flag) {
1050	+	//         await(flag, LONG_DELAY_MS);
1051	+	//     }
1052	+
1053	+	//     /**
1054	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1055	+	//      */
1056	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1057	+	//         long startTime = System.nanoTime();
1058	+	//         while (!flag.get()) {
1059	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1060	+	//                 throw new AssertionFailedError("timed out");
1061	+	//             Thread.yield();
1062	+	//         }
1063	+	//     }
1064	+
1065		public static class NPETask implements Callable<String> {
1066		public String call() { throw new NullPointerException(); }
1067		}
#	Line 686 | Line 1072 | public class JSR166TestCase extends Test
1072
1073		public class ShortRunnable extends CheckedRunnable {
1074		protected void realRun() throws Throwable {
1075	<	Thread.sleep(SHORT_DELAY_MS);
1075	>	delay(SHORT_DELAY_MS);
1076		}
1077		}
1078
1079		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1080		protected void realRun() throws InterruptedException {
1081	<	Thread.sleep(SHORT_DELAY_MS);
1081	>	delay(SHORT_DELAY_MS);
1082		}
1083		}
1084
1085		public class SmallRunnable extends CheckedRunnable {
1086		protected void realRun() throws Throwable {
1087	<	Thread.sleep(SMALL_DELAY_MS);
1087	>	delay(SMALL_DELAY_MS);
1088		}
1089		}
1090
1091		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1092		protected void realRun() {
1093		try {
1094	<	Thread.sleep(SMALL_DELAY_MS);
1094	>	delay(SMALL_DELAY_MS);
1095		} catch (InterruptedException ok) {}
1096		}
1097		}
1098
1099		public class SmallCallable extends CheckedCallable {
1100		protected Object realCall() throws InterruptedException {
1101	<	Thread.sleep(SMALL_DELAY_MS);
1101	>	delay(SMALL_DELAY_MS);
1102		return Boolean.TRUE;
1103		}
1104		}
1105
720	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
721	–	protected void realRun() throws InterruptedException {
722	–	Thread.sleep(SMALL_DELAY_MS);
723	–	}
724	–	}
725	–
1106		public class MediumRunnable extends CheckedRunnable {
1107		protected void realRun() throws Throwable {
1108	<	Thread.sleep(MEDIUM_DELAY_MS);
1108	>	delay(MEDIUM_DELAY_MS);
1109		}
1110		}
1111
1112		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1113		protected void realRun() throws InterruptedException {
1114	<	Thread.sleep(MEDIUM_DELAY_MS);
1114	>	delay(MEDIUM_DELAY_MS);
1115		}
1116		}
1117
1118	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1119	+	return new CheckedRunnable() {
1120	+	protected void realRun() {
1121	+	try {
1122	+	delay(timeoutMillis);
1123	+	} catch (InterruptedException ok) {}
1124	+	}};
1125	+	}
1126	+
1127		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1128		protected void realRun() {
1129		try {
1130	<	Thread.sleep(MEDIUM_DELAY_MS);
1130	>	delay(MEDIUM_DELAY_MS);
1131		} catch (InterruptedException ok) {}
1132		}
1133		}
#	Line 746 | Line 1135 | public class JSR166TestCase extends Test
1135		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1136		protected void realRun() {
1137		try {
1138	<	Thread.sleep(LONG_DELAY_MS);
1138	>	delay(LONG_DELAY_MS);
1139		} catch (InterruptedException ok) {}
1140		}
1141		}
#	Line 760 | Line 1149 | public class JSR166TestCase extends Test
1149		}
1150		}
1151
1152	+	public interface TrackedRunnable extends Runnable {
1153	+	boolean isDone();
1154	+	}
1155	+
1156	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1157	+	return new TrackedRunnable() {
1158	+	private volatile boolean done = false;
1159	+	public boolean isDone() { return done; }
1160	+	public void run() {
1161	+	try {
1162	+	delay(timeoutMillis);
1163	+	done = true;
1164	+	} catch (InterruptedException ok) {}
1165	+	}
1166	+	};
1167	+	}
1168	+
1169		public static class TrackedShortRunnable implements Runnable {
1170		public volatile boolean done = false;
1171		public void run() {
1172		try {
1173	<	Thread.sleep(SMALL_DELAY_MS);
1173	>	delay(SHORT_DELAY_MS);
1174	>	done = true;
1175	>	} catch (InterruptedException ok) {}
1176	>	}
1177	>	}
1178	>
1179	>	public static class TrackedSmallRunnable implements Runnable {
1180	>	public volatile boolean done = false;
1181	>	public void run() {
1182	>	try {
1183	>	delay(SMALL_DELAY_MS);
1184		done = true;
1185		} catch (InterruptedException ok) {}
1186		}
#	Line 774 | Line 1190 | public class JSR166TestCase extends Test
1190		public volatile boolean done = false;
1191		public void run() {
1192		try {
1193	<	Thread.sleep(MEDIUM_DELAY_MS);
1193	>	delay(MEDIUM_DELAY_MS);
1194		done = true;
1195		} catch (InterruptedException ok) {}
1196		}
#	Line 784 | Line 1200 | public class JSR166TestCase extends Test
1200		public volatile boolean done = false;
1201		public void run() {
1202		try {
1203	<	Thread.sleep(LONG_DELAY_MS);
1203	>	delay(LONG_DELAY_MS);
1204		done = true;
1205		} catch (InterruptedException ok) {}
1206		}
#	Line 801 | Line 1217 | public class JSR166TestCase extends Test
1217		public volatile boolean done = false;
1218		public Object call() {
1219		try {
1220	<	Thread.sleep(SMALL_DELAY_MS);
1220	>	delay(SMALL_DELAY_MS);
1221		done = true;
1222		} catch (InterruptedException ok) {}
1223		return Boolean.TRUE;
#	Line 847 | Line 1263 | public class JSR166TestCase extends Test
1263		ThreadPoolExecutor executor) {}
1264		}
1265
1266	+	/**
1267	+	* A CyclicBarrier that uses timed await and fails with
1268	+	* AssertionFailedErrors instead of throwing checked exceptions.
1269	+	*/
1270	+	public class CheckedBarrier extends CyclicBarrier {
1271	+	public CheckedBarrier(int parties) { super(parties); }
1272	+
1273	+	public int await() {
1274	+	try {
1275	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1276	+	} catch (TimeoutException e) {
1277	+	throw new AssertionFailedError("timed out");
1278	+	} catch (Exception e) {
1279	+	AssertionFailedError afe =
1280	+	new AssertionFailedError("Unexpected exception: " + e);
1281	+	afe.initCause(e);
1282	+	throw afe;
1283	+	}
1284	+	}
1285	+	}
1286	+
1287	+	void checkEmpty(BlockingQueue q) {
1288	+	try {
1289	+	assertTrue(q.isEmpty());
1290	+	assertEquals(0, q.size());
1291	+	assertNull(q.peek());
1292	+	assertNull(q.poll());
1293	+	assertNull(q.poll(0, MILLISECONDS));
1294	+	assertEquals(q.toString(), "[]");
1295	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1296	+	assertFalse(q.iterator().hasNext());
1297	+	try {
1298	+	q.element();
1299	+	shouldThrow();
1300	+	} catch (NoSuchElementException success) {}
1301	+	try {
1302	+	q.iterator().next();
1303	+	shouldThrow();
1304	+	} catch (NoSuchElementException success) {}
1305	+	try {
1306	+	q.remove();
1307	+	shouldThrow();
1308	+	} catch (NoSuchElementException success) {}
1309	+	} catch (InterruptedException ie) {
1310	+	threadUnexpectedException(ie);
1311	+	}
1312	+	}
1313	+
1314	+	void assertSerialEquals(Object x, Object y) {
1315	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1316	+	}
1317	+
1318	+	void assertNotSerialEquals(Object x, Object y) {
1319	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1320	+	}
1321	+
1322	+	byte[] serialBytes(Object o) {
1323	+	try {
1324	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1325	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1326	+	oos.writeObject(o);
1327	+	oos.flush();
1328	+	oos.close();
1329	+	return bos.toByteArray();
1330	+	} catch (Throwable t) {
1331	+	threadUnexpectedException(t);
1332	+	return new byte[0];
1333	+	}
1334	+	}
1335	+
1336	+	@SuppressWarnings("unchecked")
1337	+	<T> T serialClone(T o) {
1338	+	try {
1339	+	ObjectInputStream ois = new ObjectInputStream
1340	+	(new ByteArrayInputStream(serialBytes(o)));
1341	+	T clone = (T) ois.readObject();
1342	+	assertSame(o.getClass(), clone.getClass());
1343	+	return clone;
1344	+	} catch (Throwable t) {
1345	+	threadUnexpectedException(t);
1346	+	return null;
1347	+	}
1348	+	}
1349		}

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