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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.53 by jsr166, Thu Sep 16 00:52:49 2010 UTC vs.
Revision 1.81 by jsr166, Sat May 21 06:24:33 2011 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.util.Arrays;
15	+	import java.util.Date;
16	+	import java.util.NoSuchElementException;
17		import java.util.PropertyPermission;
18		import java.util.concurrent.*;
19	+	import java.util.concurrent.atomic.AtomicBoolean;
20		import java.util.concurrent.atomic.AtomicReference;
21		import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
23		import java.security.CodeSource;
24		import java.security.Permission;
25		import java.security.PermissionCollection;
#	Line 96 | Line 105 | public class JSR166TestCase extends Test
105		private static final boolean useSecurityManager =
106		Boolean.getBoolean("jsr166.useSecurityManager");
107
108	+	protected static final boolean expensiveTests =
109	+	Boolean.getBoolean("jsr166.expensiveTests");
110	+
111	+	/**
112	+	* If true, report on stdout all "slow" tests, that is, ones that
113	+	* take more than profileThreshold milliseconds to execute.
114	+	*/
115	+	private static final boolean profileTests =
116	+	Boolean.getBoolean("jsr166.profileTests");
117	+
118	+	/**
119	+	* The number of milliseconds that tests are permitted for
120	+	* execution without being reported, when profileTests is set.
121	+	*/
122	+	private static final long profileThreshold =
123	+	Long.getLong("jsr166.profileThreshold", 100);
124	+
125	+	protected void runTest() throws Throwable {
126	+	if (profileTests)
127	+	runTestProfiled();
128	+	else
129	+	super.runTest();
130	+	}
131	+
132	+	protected void runTestProfiled() throws Throwable {
133	+	long t0 = System.nanoTime();
134	+	try {
135	+	super.runTest();
136	+	} finally {
137	+	long elapsedMillis =
138	+	(System.nanoTime() - t0) / (1000L * 1000L);
139	+	if (elapsedMillis >= profileThreshold)
140	+	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
141	+	}
142	+	}
143	+
144		/**
145		* Runs all JSR166 unit tests using junit.textui.TestRunner
146		*/
#	Line 105 | Line 150 | public class JSR166TestCase extends Test
150		Policy.setPolicy(permissivePolicy());
151		System.setSecurityManager(new SecurityManager());
152		}
153	<	int iters = 1;
154	<	if (args.length > 0)
110	<	iters = Integer.parseInt(args[0]);
153	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
154	>
155		Test s = suite();
156		for (int i = 0; i < iters; ++i) {
157		junit.textui.TestRunner.run(s);
#	Line 117 | Line 161 | public class JSR166TestCase extends Test
161		System.exit(0);
162		}
163
164	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
165	+	TestSuite suite = new TestSuite();
166	+	for (Object suiteOrClass : suiteOrClasses) {
167	+	if (suiteOrClass instanceof TestSuite)
168	+	suite.addTest((TestSuite) suiteOrClass);
169	+	else if (suiteOrClass instanceof Class)
170	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
171	+	else
172	+	throw new ClassCastException("not a test suite or class");
173	+	}
174	+	return suite;
175	+	}
176	+
177		/**
178	<	* Collects all JSR166 unit tests as one suite
178	>	* Collects all JSR166 unit tests as one suite.
179		*/
180		public static Test suite() {
181	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
182	<
183	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
184	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
185	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
186	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
187	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
188	<	suite.addTest(new TestSuite(PhaserTest.class));
189	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
190	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
191	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
192	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
193	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
194	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
195	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
196	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
197	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
198	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
199	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
200	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
201	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
202	<	suite.addTest(new TestSuite(AtomicLongTest.class));
203	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
204	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
205	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
206	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
207	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
208	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
209	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
210	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
211	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
212	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
213	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
214	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
215	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
216	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
217	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
218	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
219	<	suite.addTest(new TestSuite(DelayQueueTest.class));
220	<	suite.addTest(new TestSuite(EntryTest.class));
221	<	suite.addTest(new TestSuite(ExchangerTest.class));
222	<	suite.addTest(new TestSuite(ExecutorsTest.class));
223	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
224	<	suite.addTest(new TestSuite(FutureTaskTest.class));
225	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
226	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
227	<	suite.addTest(new TestSuite(LinkedListTest.class));
228	<	suite.addTest(new TestSuite(LockSupportTest.class));
229	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
230	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
231	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
232	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
233	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
234	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
235	<	suite.addTest(new TestSuite(SemaphoreTest.class));
236	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
237	<	suite.addTest(new TestSuite(SystemTest.class));
238	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
239	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
240	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
241	<	suite.addTest(new TestSuite(ThreadTest.class));
242	<	suite.addTest(new TestSuite(TimeUnitTest.class));
243	<	suite.addTest(new TestSuite(TreeMapTest.class));
244	<	suite.addTest(new TestSuite(TreeSetTest.class));
245	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
189	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
190	<
191	<	return suite;
181	>	return newTestSuite(
182	>	ForkJoinPoolTest.suite(),
183	>	ForkJoinTaskTest.suite(),
184	>	RecursiveActionTest.suite(),
185	>	RecursiveTaskTest.suite(),
186	>	LinkedTransferQueueTest.suite(),
187	>	PhaserTest.suite(),
188	>	ThreadLocalRandomTest.suite(),
189	>	AbstractExecutorServiceTest.suite(),
190	>	AbstractQueueTest.suite(),
191	>	AbstractQueuedSynchronizerTest.suite(),
192	>	AbstractQueuedLongSynchronizerTest.suite(),
193	>	ArrayBlockingQueueTest.suite(),
194	>	ArrayDequeTest.suite(),
195	>	AtomicBooleanTest.suite(),
196	>	AtomicIntegerArrayTest.suite(),
197	>	AtomicIntegerFieldUpdaterTest.suite(),
198	>	AtomicIntegerTest.suite(),
199	>	AtomicLongArrayTest.suite(),
200	>	AtomicLongFieldUpdaterTest.suite(),
201	>	AtomicLongTest.suite(),
202	>	AtomicMarkableReferenceTest.suite(),
203	>	AtomicReferenceArrayTest.suite(),
204	>	AtomicReferenceFieldUpdaterTest.suite(),
205	>	AtomicReferenceTest.suite(),
206	>	AtomicStampedReferenceTest.suite(),
207	>	ConcurrentHashMapTest.suite(),
208	>	ConcurrentLinkedDequeTest.suite(),
209	>	ConcurrentLinkedQueueTest.suite(),
210	>	ConcurrentSkipListMapTest.suite(),
211	>	ConcurrentSkipListSubMapTest.suite(),
212	>	ConcurrentSkipListSetTest.suite(),
213	>	ConcurrentSkipListSubSetTest.suite(),
214	>	CopyOnWriteArrayListTest.suite(),
215	>	CopyOnWriteArraySetTest.suite(),
216	>	CountDownLatchTest.suite(),
217	>	CyclicBarrierTest.suite(),
218	>	DelayQueueTest.suite(),
219	>	EntryTest.suite(),
220	>	ExchangerTest.suite(),
221	>	ExecutorsTest.suite(),
222	>	ExecutorCompletionServiceTest.suite(),
223	>	FutureTaskTest.suite(),
224	>	LinkedBlockingDequeTest.suite(),
225	>	LinkedBlockingQueueTest.suite(),
226	>	LinkedListTest.suite(),
227	>	LockSupportTest.suite(),
228	>	PriorityBlockingQueueTest.suite(),
229	>	PriorityQueueTest.suite(),
230	>	ReentrantLockTest.suite(),
231	>	ReentrantReadWriteLockTest.suite(),
232	>	ScheduledExecutorTest.suite(),
233	>	ScheduledExecutorSubclassTest.suite(),
234	>	SemaphoreTest.suite(),
235	>	SynchronousQueueTest.suite(),
236	>	SystemTest.suite(),
237	>	ThreadLocalTest.suite(),
238	>	ThreadPoolExecutorTest.suite(),
239	>	ThreadPoolExecutorSubclassTest.suite(),
240	>	ThreadTest.suite(),
241	>	TimeUnitTest.suite(),
242	>	TreeMapTest.suite(),
243	>	TreeSetTest.suite(),
244	>	TreeSubMapTest.suite(),
245	>	TreeSubSetTest.suite());
246		}
247
248
#	Line 214 | Line 268 | public class JSR166TestCase extends Test
268		SHORT_DELAY_MS = getShortDelay();
269		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
270		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
271	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
271	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
272	>	}
273	>
274	>	/**
275	>	* Returns a timeout in milliseconds to be used in tests that
276	>	* verify that operations block or time out.
277	>	*/
278	>	long timeoutMillis() {
279	>	return SHORT_DELAY_MS / 4;
280	>	}
281	>
282	>	/**
283	>	* Returns a new Date instance representing a time delayMillis
284	>	* milliseconds in the future.
285	>	*/
286	>	Date delayedDate(long delayMillis) {
287	>	return new Date(new Date().getTime() + delayMillis);
288		}
289
290		/**
#	Line 243 | Line 313 | public class JSR166TestCase extends Test
313		* earlier by threadRecordFailure.
314		*/
315		public void tearDown() throws Exception {
316	<	Throwable t = threadFailure.get();
316	>	Throwable t = threadFailure.getAndSet(null);
317		if (t != null) {
318		if (t instanceof Error)
319		throw (Error) t;
#	Line 251 | Line 321 | public class JSR166TestCase extends Test
321		throw (RuntimeException) t;
322		else if (t instanceof Exception)
323		throw (Exception) t;
324	<	else
325	<	throw new AssertionError(t);
324	>	else {
325	>	AssertionFailedError afe =
326	>	new AssertionFailedError(t.toString());
327	>	afe.initCause(t);
328	>	throw afe;
329	>	}
330		}
331		}
332
333		/**
334		* Just like fail(reason), but additionally recording (using
335	<	* threadRecordFailure) any AssertionError thrown, so that the current
336	<	* testcase will fail.
335	>	* threadRecordFailure) any AssertionFailedError thrown, so that
336	>	* the current testcase will fail.
337		*/
338		public void threadFail(String reason) {
339		try {
340		fail(reason);
341	<	} catch (Throwable t) {
341	>	} catch (AssertionFailedError t) {
342		threadRecordFailure(t);
343		fail(reason);
344		}
#	Line 272 | Line 346 | public class JSR166TestCase extends Test
346
347		/**
348		* Just like assertTrue(b), but additionally recording (using
349	<	* threadRecordFailure) any AssertionError thrown, so that the current
350	<	* testcase will fail.
349	>	* threadRecordFailure) any AssertionFailedError thrown, so that
350	>	* the current testcase will fail.
351		*/
352		public void threadAssertTrue(boolean b) {
353		try {
354		assertTrue(b);
355	<	} catch (AssertionError t) {
355	>	} catch (AssertionFailedError t) {
356		threadRecordFailure(t);
357		throw t;
358		}
#	Line 286 | Line 360 | public class JSR166TestCase extends Test
360
361		/**
362		* Just like assertFalse(b), but additionally recording (using
363	<	* threadRecordFailure) any AssertionError thrown, so that the
364	<	* current testcase will fail.
363	>	* threadRecordFailure) any AssertionFailedError thrown, so that
364	>	* the current testcase will fail.
365		*/
366		public void threadAssertFalse(boolean b) {
367		try {
368		assertFalse(b);
369	<	} catch (AssertionError t) {
369	>	} catch (AssertionFailedError t) {
370		threadRecordFailure(t);
371		throw t;
372		}
#	Line 300 | Line 374 | public class JSR166TestCase extends Test
374
375		/**
376		* Just like assertNull(x), but additionally recording (using
377	<	* threadRecordFailure) any AssertionError thrown, so that the
378	<	* current testcase will fail.
377	>	* threadRecordFailure) any AssertionFailedError thrown, so that
378	>	* the current testcase will fail.
379		*/
380		public void threadAssertNull(Object x) {
381		try {
382		assertNull(x);
383	<	} catch (AssertionError t) {
383	>	} catch (AssertionFailedError t) {
384		threadRecordFailure(t);
385		throw t;
386		}
#	Line 314 | Line 388 | public class JSR166TestCase extends Test
388
389		/**
390		* Just like assertEquals(x, y), but additionally recording (using
391	<	* threadRecordFailure) any AssertionError thrown, so that the
392	<	* current testcase will fail.
391	>	* threadRecordFailure) any AssertionFailedError thrown, so that
392	>	* the current testcase will fail.
393		*/
394		public void threadAssertEquals(long x, long y) {
395		try {
396		assertEquals(x, y);
397	<	} catch (AssertionError t) {
397	>	} catch (AssertionFailedError t) {
398		threadRecordFailure(t);
399		throw t;
400		}
#	Line 328 | Line 402 | public class JSR166TestCase extends Test
402
403		/**
404		* Just like assertEquals(x, y), but additionally recording (using
405	<	* threadRecordFailure) any AssertionError thrown, so that the
406	<	* current testcase will fail.
405	>	* threadRecordFailure) any AssertionFailedError thrown, so that
406	>	* the current testcase will fail.
407		*/
408		public void threadAssertEquals(Object x, Object y) {
409		try {
410		assertEquals(x, y);
411	<	} catch (AssertionError t) {
411	>	} catch (AssertionFailedError t) {
412		threadRecordFailure(t);
413		throw t;
414	+	} catch (Throwable t) {
415	+	threadUnexpectedException(t);
416		}
417		}
418
419		/**
420		* Just like assertSame(x, y), but additionally recording (using
421	<	* threadRecordFailure) any AssertionError thrown, so that the
422	<	* current testcase will fail.
421	>	* threadRecordFailure) any AssertionFailedError thrown, so that
422	>	* the current testcase will fail.
423		*/
424		public void threadAssertSame(Object x, Object y) {
425		try {
426		assertSame(x, y);
427	<	} catch (AssertionError t) {
427	>	} catch (AssertionFailedError t) {
428		threadRecordFailure(t);
429		throw t;
430		}
#	Line 369 | Line 445 | public class JSR166TestCase extends Test
445		}
446
447		/**
448	<	* Calls threadFail with message "Unexpected exception" + ex.
448	>	* Records the given exception using {@link #threadRecordFailure},
449	>	* then rethrows the exception, wrapping it in an
450	>	* AssertionFailedError if necessary.
451		*/
452		public void threadUnexpectedException(Throwable t) {
453		threadRecordFailure(t);
454		t.printStackTrace();
377	–	// Rethrow, wrapping in an AssertionError if necessary
455		if (t instanceof RuntimeException)
456		throw (RuntimeException) t;
457		else if (t instanceof Error)
458		throw (Error) t;
459		else {
460	<	AssertionError ae = new AssertionError("unexpected exception: " + t);
460	>	AssertionFailedError afe =
461	>	new AssertionFailedError("unexpected exception: " + t);
462		t.initCause(t);
463	<	throw ae;
464	<	}
463	>	throw afe;
464	>	}
465	>	}
466	>
467	>	/**
468	>	* Delays, via Thread.sleep, for the given millisecond delay, but
469	>	* if the sleep is shorter than specified, may re-sleep or yield
470	>	* until time elapses.
471	>	*/
472	>	static void delay(long millis) throws InterruptedException {
473	>	long startTime = System.nanoTime();
474	>	long ns = millis * 1000 * 1000;
475	>	for (;;) {
476	>	if (millis > 0L)
477	>	Thread.sleep(millis);
478	>	else // too short to sleep
479	>	Thread.yield();
480	>	long d = ns - (System.nanoTime() - startTime);
481	>	if (d > 0L)
482	>	millis = d / (1000 * 1000);
483	>	else
484	>	break;
485	>	}
486		}
487
488		/**
489		* Waits out termination of a thread pool or fails doing so.
490		*/
491	<	public void joinPool(ExecutorService exec) {
491	>	void joinPool(ExecutorService exec) {
492		try {
493		exec.shutdown();
494	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	>	assertTrue("ExecutorService did not terminate in a timely manner",
495	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
496		} catch (SecurityException ok) {
497		// Allowed in case test doesn't have privs
498		} catch (InterruptedException ie) {
#	Line 400 | Line 500 | public class JSR166TestCase extends Test
500		}
501		}
502
503	+	/**
504	+	* Checks that thread does not terminate within the default
505	+	* millisecond delay of {@code timeoutMillis()}.
506	+	*/
507	+	void assertThreadStaysAlive(Thread thread) {
508	+	assertThreadStaysAlive(thread, timeoutMillis());
509	+	}
510	+
511	+	/**
512	+	* Checks that thread does not terminate within the given millisecond delay.
513	+	*/
514	+	void assertThreadStaysAlive(Thread thread, long millis) {
515	+	try {
516	+	// No need to optimize the failing case via Thread.join.
517	+	delay(millis);
518	+	assertTrue(thread.isAlive());
519	+	} catch (InterruptedException ie) {
520	+	fail("Unexpected InterruptedException");
521	+	}
522	+	}
523
524		/**
525		* Fails with message "should throw exception".
#	Line 416 | Line 536 | public class JSR166TestCase extends Test
536		}
537
538		/**
419	–	* Fails with message "Unexpected exception: " + ex.
420	–	*/
421	–	public void unexpectedException(Throwable ex) {
422	–	ex.printStackTrace();
423	–	fail("Unexpected exception: " + ex);
424	–	}
425	–
426	–
427	–	/**
539		* The number of elements to place in collections, arrays, etc.
540		*/
541		public static final int SIZE = 20;
#	Line 535 | Line 646 | public class JSR166TestCase extends Test
646		}
647
648		/**
649	<	* Sleep until the timeout has elapsed, or interrupted.
650	<	* Does <em>NOT</em> throw InterruptedException.
649	>	* Sleeps until the given time has elapsed.
650	>	* Throws AssertionFailedError if interrupted.
651		*/
652	<	void sleepTillInterrupted(long timeoutMillis) {
652	>	void sleep(long millis) {
653		try {
654	<	Thread.sleep(timeoutMillis);
655	<	} catch (InterruptedException wakeup) {}
654	>	delay(millis);
655	>	} catch (InterruptedException ie) {
656	>	AssertionFailedError afe =
657	>	new AssertionFailedError("Unexpected InterruptedException");
658	>	afe.initCause(ie);
659	>	throw afe;
660	>	}
661	>	}
662	>
663	>	/**
664	>	* Waits up to the specified number of milliseconds for the given
665	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
666	>	*/
667	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
668	>	long timeoutNanos = timeoutMillis * 1000L * 1000L;
669	>	long t0 = System.nanoTime();
670	>	for (;;) {
671	>	Thread.State s = thread.getState();
672	>	if (s == Thread.State.BLOCKED ||
673	>	s == Thread.State.WAITING ||
674	>	s == Thread.State.TIMED_WAITING)
675	>	return;
676	>	else if (s == Thread.State.TERMINATED)
677	>	fail("Unexpected thread termination");
678	>	else if (System.nanoTime() - t0 > timeoutNanos) {
679	>	threadAssertTrue(thread.isAlive());
680	>	return;
681	>	}
682	>	Thread.yield();
683	>	}
684	>	}
685	>
686	>	/**
687	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
688	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
689	>	*/
690	>	void waitForThreadToEnterWaitState(Thread thread) {
691	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
692		}
693
694		/**
695	<	* Returns a new started Thread running the given runnable.
695	>	* Returns the number of milliseconds since time given by
696	>	* startNanoTime, which must have been previously returned from a
697	>	* call to {@link System.nanoTime()}.
698	>	*/
699	>	long millisElapsedSince(long startNanoTime) {
700	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
701	>	}
702	>
703	>	/**
704	>	* Returns a new started daemon Thread running the given runnable.
705		*/
706		Thread newStartedThread(Runnable runnable) {
707		Thread t = new Thread(runnable);
708	+	t.setDaemon(true);
709		t.start();
710		return t;
711		}
712
713	+	/**
714	+	* Waits for the specified time (in milliseconds) for the thread
715	+	* to terminate (using {@link Thread#join(long)}), else interrupts
716	+	* the thread (in the hope that it may terminate later) and fails.
717	+	*/
718	+	void awaitTermination(Thread t, long timeoutMillis) {
719	+	try {
720	+	t.join(timeoutMillis);
721	+	} catch (InterruptedException ie) {
722	+	threadUnexpectedException(ie);
723	+	} finally {
724	+	if (t.isAlive()) {
725	+	t.interrupt();
726	+	fail("Test timed out");
727	+	}
728	+	}
729	+	}
730	+
731	+	/**
732	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
733	+	* terminate (using {@link Thread#join(long)}), else interrupts
734	+	* the thread (in the hope that it may terminate later) and fails.
735	+	*/
736	+	void awaitTermination(Thread t) {
737	+	awaitTermination(t, LONG_DELAY_MS);
738	+	}
739	+
740		// Some convenient Runnable classes
741
742		public abstract class CheckedRunnable implements Runnable {
#	Line 615 | Line 799 | public class JSR166TestCase extends Test
799		realRun();
800		threadShouldThrow("InterruptedException");
801		} catch (InterruptedException success) {
802	+	threadAssertFalse(Thread.interrupted());
803		} catch (Throwable t) {
804		threadUnexpectedException(t);
805		}
#	Line 644 | Line 829 | public class JSR166TestCase extends Test
829		threadShouldThrow("InterruptedException");
830		return result;
831		} catch (InterruptedException success) {
832	+	threadAssertFalse(Thread.interrupted());
833		} catch (Throwable t) {
834		threadUnexpectedException(t);
835		}
#	Line 667 | Line 853 | public class JSR166TestCase extends Test
853
854		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
855		return new CheckedCallable<String>() {
856	<	public String realCall() {
856	>	protected String realCall() {
857		try {
858		latch.await();
859		} catch (InterruptedException quittingTime) {}
#	Line 675 | Line 861 | public class JSR166TestCase extends Test
861		}};
862		}
863
864	+	public Runnable awaiter(final CountDownLatch latch) {
865	+	return new CheckedRunnable() {
866	+	public void realRun() throws InterruptedException {
867	+	await(latch);
868	+	}};
869	+	}
870	+
871	+	public void await(CountDownLatch latch) {
872	+	try {
873	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
874	+	} catch (Throwable t) {
875	+	threadUnexpectedException(t);
876	+	}
877	+	}
878	+
879	+	//     /**
880	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
881	+	//      */
882	+	//     public void await(AtomicBoolean flag) {
883	+	//         await(flag, LONG_DELAY_MS);
884	+	//     }
885	+
886	+	//     /**
887	+	//      * Spin-waits up to the specified timeout until flag becomes true.
888	+	//      */
889	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
890	+	//         long startTime = System.nanoTime();
891	+	//         while (!flag.get()) {
892	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
893	+	//                 throw new AssertionFailedError("timed out");
894	+	//             Thread.yield();
895	+	//         }
896	+	//     }
897	+
898		public static class NPETask implements Callable<String> {
899		public String call() { throw new NullPointerException(); }
900		}
#	Line 685 | Line 905 | public class JSR166TestCase extends Test
905
906		public class ShortRunnable extends CheckedRunnable {
907		protected void realRun() throws Throwable {
908	<	Thread.sleep(SHORT_DELAY_MS);
908	>	delay(SHORT_DELAY_MS);
909		}
910		}
911
912		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
913		protected void realRun() throws InterruptedException {
914	<	Thread.sleep(SHORT_DELAY_MS);
914	>	delay(SHORT_DELAY_MS);
915		}
916		}
917
918		public class SmallRunnable extends CheckedRunnable {
919		protected void realRun() throws Throwable {
920	<	Thread.sleep(SMALL_DELAY_MS);
920	>	delay(SMALL_DELAY_MS);
921		}
922		}
923
924		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
925		protected void realRun() {
926		try {
927	<	Thread.sleep(SMALL_DELAY_MS);
927	>	delay(SMALL_DELAY_MS);
928		} catch (InterruptedException ok) {}
929		}
930		}
931
932		public class SmallCallable extends CheckedCallable {
933		protected Object realCall() throws InterruptedException {
934	<	Thread.sleep(SMALL_DELAY_MS);
934	>	delay(SMALL_DELAY_MS);
935		return Boolean.TRUE;
936		}
937		}
938
719	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
720	–	protected void realRun() throws InterruptedException {
721	–	Thread.sleep(SMALL_DELAY_MS);
722	–	}
723	–	}
724	–
939		public class MediumRunnable extends CheckedRunnable {
940		protected void realRun() throws Throwable {
941	<	Thread.sleep(MEDIUM_DELAY_MS);
941	>	delay(MEDIUM_DELAY_MS);
942		}
943		}
944
945		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
946		protected void realRun() throws InterruptedException {
947	<	Thread.sleep(MEDIUM_DELAY_MS);
947	>	delay(MEDIUM_DELAY_MS);
948		}
949		}
950
951	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
952	+	return new CheckedRunnable() {
953	+	protected void realRun() {
954	+	try {
955	+	delay(timeoutMillis);
956	+	} catch (InterruptedException ok) {}
957	+	}};
958	+	}
959	+
960		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
961		protected void realRun() {
962		try {
963	<	Thread.sleep(MEDIUM_DELAY_MS);
963	>	delay(MEDIUM_DELAY_MS);
964		} catch (InterruptedException ok) {}
965		}
966		}
#	Line 745 | Line 968 | public class JSR166TestCase extends Test
968		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
969		protected void realRun() {
970		try {
971	<	Thread.sleep(LONG_DELAY_MS);
971	>	delay(LONG_DELAY_MS);
972		} catch (InterruptedException ok) {}
973		}
974		}
#	Line 759 | Line 982 | public class JSR166TestCase extends Test
982		}
983		}
984
985	+	public interface TrackedRunnable extends Runnable {
986	+	boolean isDone();
987	+	}
988	+
989	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
990	+	return new TrackedRunnable() {
991	+	private volatile boolean done = false;
992	+	public boolean isDone() { return done; }
993	+	public void run() {
994	+	try {
995	+	delay(timeoutMillis);
996	+	done = true;
997	+	} catch (InterruptedException ok) {}
998	+	}
999	+	};
1000	+	}
1001	+
1002		public static class TrackedShortRunnable implements Runnable {
1003		public volatile boolean done = false;
1004		public void run() {
1005		try {
1006	<	Thread.sleep(SMALL_DELAY_MS);
1006	>	delay(SHORT_DELAY_MS);
1007	>	done = true;
1008	>	} catch (InterruptedException ok) {}
1009	>	}
1010	>	}
1011	>
1012	>	public static class TrackedSmallRunnable implements Runnable {
1013	>	public volatile boolean done = false;
1014	>	public void run() {
1015	>	try {
1016	>	delay(SMALL_DELAY_MS);
1017		done = true;
1018		} catch (InterruptedException ok) {}
1019		}
#	Line 773 | Line 1023 | public class JSR166TestCase extends Test
1023		public volatile boolean done = false;
1024		public void run() {
1025		try {
1026	<	Thread.sleep(MEDIUM_DELAY_MS);
1026	>	delay(MEDIUM_DELAY_MS);
1027		done = true;
1028		} catch (InterruptedException ok) {}
1029		}
#	Line 783 | Line 1033 | public class JSR166TestCase extends Test
1033		public volatile boolean done = false;
1034		public void run() {
1035		try {
1036	<	Thread.sleep(LONG_DELAY_MS);
1036	>	delay(LONG_DELAY_MS);
1037		done = true;
1038		} catch (InterruptedException ok) {}
1039		}
#	Line 800 | Line 1050 | public class JSR166TestCase extends Test
1050		public volatile boolean done = false;
1051		public Object call() {
1052		try {
1053	<	Thread.sleep(SMALL_DELAY_MS);
1053	>	delay(SMALL_DELAY_MS);
1054		done = true;
1055		} catch (InterruptedException ok) {}
1056		return Boolean.TRUE;
#	Line 846 | Line 1096 | public class JSR166TestCase extends Test
1096		ThreadPoolExecutor executor) {}
1097		}
1098
1099	+	/**
1100	+	* A CyclicBarrier that fails with AssertionFailedErrors instead
1101	+	* of throwing checked exceptions.
1102	+	*/
1103	+	public class CheckedBarrier extends CyclicBarrier {
1104	+	public CheckedBarrier(int parties) { super(parties); }
1105	+
1106	+	public int await() {
1107	+	try {
1108	+	return super.await();
1109	+	} catch (Exception e) {
1110	+	AssertionFailedError afe =
1111	+	new AssertionFailedError("Unexpected exception: " + e);
1112	+	afe.initCause(e);
1113	+	throw afe;
1114	+	}
1115	+	}
1116	+	}
1117	+
1118	+	void checkEmpty(BlockingQueue q) {
1119	+	try {
1120	+	assertTrue(q.isEmpty());
1121	+	assertEquals(0, q.size());
1122	+	assertNull(q.peek());
1123	+	assertNull(q.poll());
1124	+	assertNull(q.poll(0, MILLISECONDS));
1125	+	assertEquals(q.toString(), "[]");
1126	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1127	+	assertFalse(q.iterator().hasNext());
1128	+	try {
1129	+	q.element();
1130	+	shouldThrow();
1131	+	} catch (NoSuchElementException success) {}
1132	+	try {
1133	+	q.iterator().next();
1134	+	shouldThrow();
1135	+	} catch (NoSuchElementException success) {}
1136	+	try {
1137	+	q.remove();
1138	+	shouldThrow();
1139	+	} catch (NoSuchElementException success) {}
1140	+	} catch (InterruptedException ie) {
1141	+	threadUnexpectedException(ie);
1142	+	}
1143	+	}
1144	+
1145	+	@SuppressWarnings("unchecked")
1146	+	<T> T serialClone(T o) {
1147	+	try {
1148	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1149	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1150	+	oos.writeObject(o);
1151	+	oos.flush();
1152	+	oos.close();
1153	+	ByteArrayInputStream bin =
1154	+	new ByteArrayInputStream(bos.toByteArray());
1155	+	ObjectInputStream ois = new ObjectInputStream(bin);
1156	+	return (T) ois.readObject();
1157	+	} catch (Throwable t) {
1158	+	threadUnexpectedException(t);
1159	+	return null;
1160	+	}
1161	+	}
1162		}

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