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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.56 by jsr166, Sun Oct 3 23:59:05 2010 UTC vs.
Revision 1.95 by jsr166, Mon Jan 21 19:43:52 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.util.ArrayList;
15	+	import java.util.Arrays;
16	+	import java.util.Date;
17	+	import java.util.Enumeration;
18	+	import java.util.List;
19	+	import java.util.NoSuchElementException;
20		import java.util.PropertyPermission;
21		import java.util.concurrent.*;
22	+	import java.util.concurrent.atomic.AtomicBoolean;
23		import java.util.concurrent.atomic.AtomicReference;
24		import static java.util.concurrent.TimeUnit.MILLISECONDS;
25	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
26		import java.security.CodeSource;
27		import java.security.Permission;
28		import java.security.PermissionCollection;
#	Line 60 | Line 72 | import java.security.SecurityPermission;
72		*
73		* </ol>
74		*
75	<	* <p> <b>Other notes</b>
75	>	* <p><b>Other notes</b>
76		* <ul>
77		*
78		* <li> Usually, there is one testcase method per JSR166 method
#	Line 96 | Line 108 | public class JSR166TestCase extends Test
108		private static final boolean useSecurityManager =
109		Boolean.getBoolean("jsr166.useSecurityManager");
110
111	+	protected static final boolean expensiveTests =
112	+	Boolean.getBoolean("jsr166.expensiveTests");
113	+
114	+	/**
115	+	* If true, report on stdout all "slow" tests, that is, ones that
116	+	* take more than profileThreshold milliseconds to execute.
117	+	*/
118	+	private static final boolean profileTests =
119	+	Boolean.getBoolean("jsr166.profileTests");
120	+
121		/**
122	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
122	>	* The number of milliseconds that tests are permitted for
123	>	* execution without being reported, when profileTests is set.
124	>	*/
125	>	private static final long profileThreshold =
126	>	Long.getLong("jsr166.profileThreshold", 100);
127	>
128	>	protected void runTest() throws Throwable {
129	>	if (profileTests)
130	>	runTestProfiled();
131	>	else
132	>	super.runTest();
133	>	}
134	>
135	>	protected void runTestProfiled() throws Throwable {
136	>	long t0 = System.nanoTime();
137	>	try {
138	>	super.runTest();
139	>	} finally {
140	>	long elapsedMillis =
141	>	(System.nanoTime() - t0) / (1000L * 1000L);
142	>	if (elapsedMillis >= profileThreshold)
143	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
144	>	}
145	>	}
146	>
147	>	/**
148	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
149	>	* Optional command line arg provides the number of iterations to
150	>	* repeat running the tests.
151		*/
152		public static void main(String[] args) {
153		if (useSecurityManager) {
#	Line 116 | Line 166 | public class JSR166TestCase extends Test
166		System.exit(0);
167		}
168
169	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
170	+	TestSuite suite = new TestSuite();
171	+	for (Object suiteOrClass : suiteOrClasses) {
172	+	if (suiteOrClass instanceof TestSuite)
173	+	suite.addTest((TestSuite) suiteOrClass);
174	+	else if (suiteOrClass instanceof Class)
175	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
176	+	else
177	+	throw new ClassCastException("not a test suite or class");
178	+	}
179	+	return suite;
180	+	}
181	+
182		/**
183	<	* Collects all JSR166 unit tests as one suite
183	>	* Collects all JSR166 unit tests as one suite.
184		*/
185		public static Test suite() {
186	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
187	<
188	<	suite.addTest(ForkJoinPoolTest.suite());
189	<	suite.addTest(ForkJoinTaskTest.suite());
190	<	suite.addTest(RecursiveActionTest.suite());
191	<	suite.addTest(RecursiveTaskTest.suite());
192	<	suite.addTest(LinkedTransferQueueTest.suite());
193	<	suite.addTest(PhaserTest.suite());
194	<	suite.addTest(ThreadLocalRandomTest.suite());
195	<	suite.addTest(AbstractExecutorServiceTest.suite());
196	<	suite.addTest(AbstractQueueTest.suite());
197	<	suite.addTest(AbstractQueuedSynchronizerTest.suite());
198	<	suite.addTest(AbstractQueuedLongSynchronizerTest.suite());
199	<	suite.addTest(ArrayBlockingQueueTest.suite());
200	<	suite.addTest(ArrayDequeTest.suite());
201	<	suite.addTest(AtomicBooleanTest.suite());
202	<	suite.addTest(AtomicIntegerArrayTest.suite());
203	<	suite.addTest(AtomicIntegerFieldUpdaterTest.suite());
204	<	suite.addTest(AtomicIntegerTest.suite());
205	<	suite.addTest(AtomicLongArrayTest.suite());
206	<	suite.addTest(AtomicLongFieldUpdaterTest.suite());
207	<	suite.addTest(AtomicLongTest.suite());
208	<	suite.addTest(AtomicMarkableReferenceTest.suite());
209	<	suite.addTest(AtomicReferenceArrayTest.suite());
210	<	suite.addTest(AtomicReferenceFieldUpdaterTest.suite());
211	<	suite.addTest(AtomicReferenceTest.suite());
212	<	suite.addTest(AtomicStampedReferenceTest.suite());
213	<	suite.addTest(ConcurrentHashMapTest.suite());
214	<	suite.addTest(ConcurrentLinkedDequeTest.suite());
215	<	suite.addTest(ConcurrentLinkedQueueTest.suite());
216	<	suite.addTest(ConcurrentSkipListMapTest.suite());
217	<	suite.addTest(ConcurrentSkipListSubMapTest.suite());
218	<	suite.addTest(ConcurrentSkipListSetTest.suite());
219	<	suite.addTest(ConcurrentSkipListSubSetTest.suite());
220	<	suite.addTest(CopyOnWriteArrayListTest.suite());
221	<	suite.addTest(CopyOnWriteArraySetTest.suite());
222	<	suite.addTest(CountDownLatchTest.suite());
223	<	suite.addTest(CyclicBarrierTest.suite());
224	<	suite.addTest(DelayQueueTest.suite());
225	<	suite.addTest(EntryTest.suite());
226	<	suite.addTest(ExchangerTest.suite());
227	<	suite.addTest(ExecutorsTest.suite());
228	<	suite.addTest(ExecutorCompletionServiceTest.suite());
229	<	suite.addTest(FutureTaskTest.suite());
230	<	suite.addTest(LinkedBlockingDequeTest.suite());
231	<	suite.addTest(LinkedBlockingQueueTest.suite());
232	<	suite.addTest(LinkedListTest.suite());
233	<	suite.addTest(LockSupportTest.suite());
234	<	suite.addTest(PriorityBlockingQueueTest.suite());
235	<	suite.addTest(PriorityQueueTest.suite());
236	<	suite.addTest(ReentrantLockTest.suite());
237	<	suite.addTest(ReentrantReadWriteLockTest.suite());
238	<	suite.addTest(ScheduledExecutorTest.suite());
239	<	suite.addTest(ScheduledExecutorSubclassTest.suite());
240	<	suite.addTest(SemaphoreTest.suite());
241	<	suite.addTest(SynchronousQueueTest.suite());
242	<	suite.addTest(SystemTest.suite());
243	<	suite.addTest(ThreadLocalTest.suite());
244	<	suite.addTest(ThreadPoolExecutorTest.suite());
245	<	suite.addTest(ThreadPoolExecutorSubclassTest.suite());
246	<	suite.addTest(ThreadTest.suite());
247	<	suite.addTest(TimeUnitTest.suite());
248	<	suite.addTest(TreeMapTest.suite());
249	<	suite.addTest(TreeSetTest.suite());
250	<	suite.addTest(TreeSubMapTest.suite());
188	<	suite.addTest(TreeSubSetTest.suite());
189	<
190	<	return suite;
186	>	return newTestSuite(
187	>	ForkJoinPoolTest.suite(),
188	>	ForkJoinTaskTest.suite(),
189	>	RecursiveActionTest.suite(),
190	>	RecursiveTaskTest.suite(),
191	>	LinkedTransferQueueTest.suite(),
192	>	PhaserTest.suite(),
193	>	ThreadLocalRandomTest.suite(),
194	>	AbstractExecutorServiceTest.suite(),
195	>	AbstractQueueTest.suite(),
196	>	AbstractQueuedSynchronizerTest.suite(),
197	>	AbstractQueuedLongSynchronizerTest.suite(),
198	>	ArrayBlockingQueueTest.suite(),
199	>	ArrayDequeTest.suite(),
200	>	AtomicBooleanTest.suite(),
201	>	AtomicIntegerArrayTest.suite(),
202	>	AtomicIntegerFieldUpdaterTest.suite(),
203	>	AtomicIntegerTest.suite(),
204	>	AtomicLongArrayTest.suite(),
205	>	AtomicLongFieldUpdaterTest.suite(),
206	>	AtomicLongTest.suite(),
207	>	AtomicMarkableReferenceTest.suite(),
208	>	AtomicReferenceArrayTest.suite(),
209	>	AtomicReferenceFieldUpdaterTest.suite(),
210	>	AtomicReferenceTest.suite(),
211	>	AtomicStampedReferenceTest.suite(),
212	>	ConcurrentHashMapTest.suite(),
213	>	ConcurrentLinkedDequeTest.suite(),
214	>	ConcurrentLinkedQueueTest.suite(),
215	>	ConcurrentSkipListMapTest.suite(),
216	>	ConcurrentSkipListSubMapTest.suite(),
217	>	ConcurrentSkipListSetTest.suite(),
218	>	ConcurrentSkipListSubSetTest.suite(),
219	>	CopyOnWriteArrayListTest.suite(),
220	>	CopyOnWriteArraySetTest.suite(),
221	>	CountDownLatchTest.suite(),
222	>	CyclicBarrierTest.suite(),
223	>	DelayQueueTest.suite(),
224	>	EntryTest.suite(),
225	>	ExchangerTest.suite(),
226	>	ExecutorsTest.suite(),
227	>	ExecutorCompletionServiceTest.suite(),
228	>	FutureTaskTest.suite(),
229	>	LinkedBlockingDequeTest.suite(),
230	>	LinkedBlockingQueueTest.suite(),
231	>	LinkedListTest.suite(),
232	>	LockSupportTest.suite(),
233	>	PriorityBlockingQueueTest.suite(),
234	>	PriorityQueueTest.suite(),
235	>	ReentrantLockTest.suite(),
236	>	ReentrantReadWriteLockTest.suite(),
237	>	ScheduledExecutorTest.suite(),
238	>	ScheduledExecutorSubclassTest.suite(),
239	>	SemaphoreTest.suite(),
240	>	SynchronousQueueTest.suite(),
241	>	SystemTest.suite(),
242	>	ThreadLocalTest.suite(),
243	>	ThreadPoolExecutorTest.suite(),
244	>	ThreadPoolExecutorSubclassTest.suite(),
245	>	ThreadTest.suite(),
246	>	TimeUnitTest.suite(),
247	>	TreeMapTest.suite(),
248	>	TreeSetTest.suite(),
249	>	TreeSubMapTest.suite(),
250	>	TreeSubSetTest.suite());
251		}
252
253
#	Line 205 | Line 265 | public class JSR166TestCase extends Test
265		return 50;
266		}
267
208	–
268		/**
269		* Sets delays as multiples of SHORT_DELAY.
270		*/
#	Line 213 | Line 272 | public class JSR166TestCase extends Test
272		SHORT_DELAY_MS = getShortDelay();
273		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
274		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
275	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
275	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
276	>	}
277	>
278	>	/**
279	>	* Returns a timeout in milliseconds to be used in tests that
280	>	* verify that operations block or time out.
281	>	*/
282	>	long timeoutMillis() {
283	>	return SHORT_DELAY_MS / 4;
284	>	}
285	>
286	>	/**
287	>	* Returns a new Date instance representing a time delayMillis
288	>	* milliseconds in the future.
289	>	*/
290	>	Date delayedDate(long delayMillis) {
291	>	return new Date(System.currentTimeMillis() + delayMillis);
292		}
293
294		/**
#	Line 237 | Line 312 | public class JSR166TestCase extends Test
312		}
313
314		/**
315	+	* Extra checks that get done for all test cases.
316	+	*
317		* Triggers test case failure if any thread assertions have failed,
318		* by rethrowing, in the test harness thread, any exception recorded
319		* earlier by threadRecordFailure.
320	+	*
321	+	* Triggers test case failure if interrupt status is set in the main thread.
322		*/
323		public void tearDown() throws Exception {
324	<	Throwable t = threadFailure.get();
324	>	Throwable t = threadFailure.getAndSet(null);
325		if (t != null) {
326		if (t instanceof Error)
327		throw (Error) t;
#	Line 250 | Line 329 | public class JSR166TestCase extends Test
329		throw (RuntimeException) t;
330		else if (t instanceof Exception)
331		throw (Exception) t;
332	<	else
333	<	throw new AssertionError(t);
332	>	else {
333	>	AssertionFailedError afe =
334	>	new AssertionFailedError(t.toString());
335	>	afe.initCause(t);
336	>	throw afe;
337	>	}
338		}
339	+
340	+	if (Thread.interrupted())
341	+	throw new AssertionFailedError("interrupt status set in main thread");
342		}
343
344		/**
345		* Just like fail(reason), but additionally recording (using
346	<	* threadRecordFailure) any AssertionError thrown, so that the current
347	<	* testcase will fail.
346	>	* threadRecordFailure) any AssertionFailedError thrown, so that
347	>	* the current testcase will fail.
348		*/
349		public void threadFail(String reason) {
350		try {
351		fail(reason);
352	<	} catch (Throwable t) {
352	>	} catch (AssertionFailedError t) {
353		threadRecordFailure(t);
354		fail(reason);
355		}
#	Line 271 | Line 357 | public class JSR166TestCase extends Test
357
358		/**
359		* Just like assertTrue(b), but additionally recording (using
360	<	* threadRecordFailure) any AssertionError thrown, so that the current
361	<	* testcase will fail.
360	>	* threadRecordFailure) any AssertionFailedError thrown, so that
361	>	* the current testcase will fail.
362		*/
363		public void threadAssertTrue(boolean b) {
364		try {
365		assertTrue(b);
366	<	} catch (AssertionError t) {
366	>	} catch (AssertionFailedError t) {
367		threadRecordFailure(t);
368		throw t;
369		}
#	Line 285 | Line 371 | public class JSR166TestCase extends Test
371
372		/**
373		* Just like assertFalse(b), but additionally recording (using
374	<	* threadRecordFailure) any AssertionError thrown, so that the
375	<	* current testcase will fail.
374	>	* threadRecordFailure) any AssertionFailedError thrown, so that
375	>	* the current testcase will fail.
376		*/
377		public void threadAssertFalse(boolean b) {
378		try {
379		assertFalse(b);
380	<	} catch (AssertionError t) {
380	>	} catch (AssertionFailedError t) {
381		threadRecordFailure(t);
382		throw t;
383		}
#	Line 299 | Line 385 | public class JSR166TestCase extends Test
385
386		/**
387		* Just like assertNull(x), but additionally recording (using
388	<	* threadRecordFailure) any AssertionError thrown, so that the
389	<	* current testcase will fail.
388	>	* threadRecordFailure) any AssertionFailedError thrown, so that
389	>	* the current testcase will fail.
390		*/
391		public void threadAssertNull(Object x) {
392		try {
393		assertNull(x);
394	<	} catch (AssertionError t) {
394	>	} catch (AssertionFailedError t) {
395		threadRecordFailure(t);
396		throw t;
397		}
#	Line 313 | Line 399 | public class JSR166TestCase extends Test
399
400		/**
401		* Just like assertEquals(x, y), but additionally recording (using
402	<	* threadRecordFailure) any AssertionError thrown, so that the
403	<	* current testcase will fail.
402	>	* threadRecordFailure) any AssertionFailedError thrown, so that
403	>	* the current testcase will fail.
404		*/
405		public void threadAssertEquals(long x, long y) {
406		try {
407		assertEquals(x, y);
408	<	} catch (AssertionError t) {
408	>	} catch (AssertionFailedError t) {
409		threadRecordFailure(t);
410		throw t;
411		}
#	Line 327 | Line 413 | public class JSR166TestCase extends Test
413
414		/**
415		* Just like assertEquals(x, y), but additionally recording (using
416	<	* threadRecordFailure) any AssertionError thrown, so that the
417	<	* current testcase will fail.
416	>	* threadRecordFailure) any AssertionFailedError thrown, so that
417	>	* the current testcase will fail.
418		*/
419		public void threadAssertEquals(Object x, Object y) {
420		try {
421		assertEquals(x, y);
422	<	} catch (AssertionError t) {
422	>	} catch (AssertionFailedError t) {
423		threadRecordFailure(t);
424		throw t;
425	+	} catch (Throwable t) {
426	+	threadUnexpectedException(t);
427		}
428		}
429
430		/**
431		* Just like assertSame(x, y), but additionally recording (using
432	<	* threadRecordFailure) any AssertionError thrown, so that the
433	<	* current testcase will fail.
432	>	* threadRecordFailure) any AssertionFailedError thrown, so that
433	>	* the current testcase will fail.
434		*/
435		public void threadAssertSame(Object x, Object y) {
436		try {
437		assertSame(x, y);
438	<	} catch (AssertionError t) {
438	>	} catch (AssertionFailedError t) {
439		threadRecordFailure(t);
440		throw t;
441		}
#	Line 368 | Line 456 | public class JSR166TestCase extends Test
456		}
457
458		/**
459	<	* Calls threadFail with message "Unexpected exception" + ex.
459	>	* Records the given exception using {@link #threadRecordFailure},
460	>	* then rethrows the exception, wrapping it in an
461	>	* AssertionFailedError if necessary.
462		*/
463		public void threadUnexpectedException(Throwable t) {
464		threadRecordFailure(t);
465		t.printStackTrace();
376	–	// Rethrow, wrapping in an AssertionError if necessary
466		if (t instanceof RuntimeException)
467		throw (RuntimeException) t;
468		else if (t instanceof Error)
469		throw (Error) t;
470		else {
471	<	AssertionError ae = new AssertionError("unexpected exception: " + t);
472	<	t.initCause(t);
473	<	throw ae;
471	>	AssertionFailedError afe =
472	>	new AssertionFailedError("unexpected exception: " + t);
473	>	afe.initCause(t);
474	>	throw afe;
475	>	}
476	>	}
477	>
478	>	/**
479	>	* Delays, via Thread.sleep, for the given millisecond delay, but
480	>	* if the sleep is shorter than specified, may re-sleep or yield
481	>	* until time elapses.
482	>	*/
483	>	static void delay(long millis) throws InterruptedException {
484	>	long startTime = System.nanoTime();
485	>	long ns = millis * 1000 * 1000;
486	>	for (;;) {
487	>	if (millis > 0L)
488	>	Thread.sleep(millis);
489	>	else // too short to sleep
490	>	Thread.yield();
491	>	long d = ns - (System.nanoTime() - startTime);
492	>	if (d > 0L)
493	>	millis = d / (1000 * 1000);
494	>	else
495	>	break;
496		}
497		}
498
499		/**
500		* Waits out termination of a thread pool or fails doing so.
501		*/
502	<	public void joinPool(ExecutorService exec) {
502	>	void joinPool(ExecutorService exec) {
503		try {
504		exec.shutdown();
505		assertTrue("ExecutorService did not terminate in a timely manner",
506	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
506	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
507		} catch (SecurityException ok) {
508		// Allowed in case test doesn't have privs
509		} catch (InterruptedException ie) {
#	Line 400 | Line 511 | public class JSR166TestCase extends Test
511		}
512		}
513
514	+	/**
515	+	* A debugging tool to print all stack traces, as jstack does.
516	+	*/
517	+	void printAllStackTraces() {
518	+	System.err.println(
519	+	Arrays.toString(
520	+	java.lang.management.ManagementFactory.getThreadMXBean()
521	+	.dumpAllThreads(true, true)));
522	+	}
523	+
524	+	/**
525	+	* Checks that thread does not terminate within the default
526	+	* millisecond delay of {@code timeoutMillis()}.
527	+	*/
528	+	void assertThreadStaysAlive(Thread thread) {
529	+	assertThreadStaysAlive(thread, timeoutMillis());
530	+	}
531	+
532	+	/**
533	+	* Checks that thread does not terminate within the given millisecond delay.
534	+	*/
535	+	void assertThreadStaysAlive(Thread thread, long millis) {
536	+	try {
537	+	// No need to optimize the failing case via Thread.join.
538	+	delay(millis);
539	+	assertTrue(thread.isAlive());
540	+	} catch (InterruptedException ie) {
541	+	fail("Unexpected InterruptedException");
542	+	}
543	+	}
544	+
545	+	/**
546	+	* Checks that the threads do not terminate within the default
547	+	* millisecond delay of {@code timeoutMillis()}.
548	+	*/
549	+	void assertThreadsStayAlive(Thread... threads) {
550	+	assertThreadsStayAlive(timeoutMillis(), threads);
551	+	}
552	+
553	+	/**
554	+	* Checks that the threads do not terminate within the given millisecond delay.
555	+	*/
556	+	void assertThreadsStayAlive(long millis, Thread... threads) {
557	+	try {
558	+	// No need to optimize the failing case via Thread.join.
559	+	delay(millis);
560	+	for (Thread thread : threads)
561	+	assertTrue(thread.isAlive());
562	+	} catch (InterruptedException ie) {
563	+	fail("Unexpected InterruptedException");
564	+	}
565	+	}
566	+
567	+	/**
568	+	* Checks that future.get times out, with the default timeout of
569	+	* {@code timeoutMillis()}.
570	+	*/
571	+	void assertFutureTimesOut(Future future) {
572	+	assertFutureTimesOut(future, timeoutMillis());
573	+	}
574	+
575	+	/**
576	+	* Checks that future.get times out, with the given millisecond timeout.
577	+	*/
578	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
579	+	long startTime = System.nanoTime();
580	+	try {
581	+	future.get(timeoutMillis, MILLISECONDS);
582	+	shouldThrow();
583	+	} catch (TimeoutException success) {
584	+	} catch (Exception e) {
585	+	threadUnexpectedException(e);
586	+	} finally { future.cancel(true); }
587	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
588	+	}
589
590		/**
591		* Fails with message "should throw exception".
#	Line 416 | Line 602 | public class JSR166TestCase extends Test
602		}
603
604		/**
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	–	/**
605		* The number of elements to place in collections, arrays, etc.
606		*/
607		public static final int SIZE = 20;
#	Line 461 | Line 638 | public class JSR166TestCase extends Test
638		SecurityManager sm = System.getSecurityManager();
639		if (sm == null) {
640		r.run();
641	+	}
642	+	runWithSecurityManagerWithPermissions(r, permissions);
643	+	}
644	+
645	+	/**
646	+	* Runs Runnable r with a security policy that permits precisely
647	+	* the specified permissions.  If there is no current security
648	+	* manager, a temporary one is set for the duration of the
649	+	* Runnable.  We require that any security manager permit
650	+	* getPolicy/setPolicy.
651	+	*/
652	+	public void runWithSecurityManagerWithPermissions(Runnable r,
653	+	Permission... permissions) {
654	+	SecurityManager sm = System.getSecurityManager();
655	+	if (sm == null) {
656		Policy savedPolicy = Policy.getPolicy();
657		try {
658		Policy.setPolicy(permissivePolicy());
659		System.setSecurityManager(new SecurityManager());
660	<	runWithPermissions(r, permissions);
660	>	runWithSecurityManagerWithPermissions(r, permissions);
661		} finally {
662		System.setSecurityManager(null);
663		Policy.setPolicy(savedPolicy);
#	Line 513 | Line 705 | public class JSR166TestCase extends Test
705		return perms.implies(p);
706		}
707		public void refresh() {}
708	+	public String toString() {
709	+	List<Permission> ps = new ArrayList<Permission>();
710	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
711	+	ps.add(e.nextElement());
712	+	return "AdjustablePolicy with permissions " + ps;
713	+	}
714		}
715
716		/**
#	Line 535 | Line 733 | public class JSR166TestCase extends Test
733		}
734
735		/**
736	<	* Sleep until the timeout has elapsed, or interrupted.
737	<	* Does <em>NOT</em> throw InterruptedException.
736	>	* Sleeps until the given time has elapsed.
737	>	* Throws AssertionFailedError if interrupted.
738		*/
739	<	void sleepTillInterrupted(long timeoutMillis) {
739	>	void sleep(long millis) {
740		try {
741	<	Thread.sleep(timeoutMillis);
742	<	} catch (InterruptedException wakeup) {}
741	>	delay(millis);
742	>	} catch (InterruptedException ie) {
743	>	AssertionFailedError afe =
744	>	new AssertionFailedError("Unexpected InterruptedException");
745	>	afe.initCause(ie);
746	>	throw afe;
747	>	}
748	>	}
749	>
750	>	/**
751	>	* Spin-waits up to the specified number of milliseconds for the given
752	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
753	>	*/
754	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
755	>	long startTime = System.nanoTime();
756	>	for (;;) {
757	>	Thread.State s = thread.getState();
758	>	if (s == Thread.State.BLOCKED ||
759	>	s == Thread.State.WAITING ||
760	>	s == Thread.State.TIMED_WAITING)
761	>	return;
762	>	else if (s == Thread.State.TERMINATED)
763	>	fail("Unexpected thread termination");
764	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
765	>	threadAssertTrue(thread.isAlive());
766	>	return;
767	>	}
768	>	Thread.yield();
769	>	}
770	>	}
771	>
772	>	/**
773	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
774	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
775	>	*/
776	>	void waitForThreadToEnterWaitState(Thread thread) {
777	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
778		}
779
780		/**
781	<	* Returns a new started Thread running the given runnable.
781	>	* Returns the number of milliseconds since time given by
782	>	* startNanoTime, which must have been previously returned from a
783	>	* call to {@link System.nanoTime()}.
784	>	*/
785	>	long millisElapsedSince(long startNanoTime) {
786	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
787	>	}
788	>
789	>	/**
790	>	* Returns a new started daemon Thread running the given runnable.
791		*/
792		Thread newStartedThread(Runnable runnable) {
793		Thread t = new Thread(runnable);
794	+	t.setDaemon(true);
795		t.start();
796		return t;
797		}
798
799	+	/**
800	+	* Waits for the specified time (in milliseconds) for the thread
801	+	* to terminate (using {@link Thread#join(long)}), else interrupts
802	+	* the thread (in the hope that it may terminate later) and fails.
803	+	*/
804	+	void awaitTermination(Thread t, long timeoutMillis) {
805	+	try {
806	+	t.join(timeoutMillis);
807	+	} catch (InterruptedException ie) {
808	+	threadUnexpectedException(ie);
809	+	} finally {
810	+	if (t.getState() != Thread.State.TERMINATED) {
811	+	t.interrupt();
812	+	fail("Test timed out");
813	+	}
814	+	}
815	+	}
816	+
817	+	/**
818	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
819	+	* terminate (using {@link Thread#join(long)}), else interrupts
820	+	* the thread (in the hope that it may terminate later) and fails.
821	+	*/
822	+	void awaitTermination(Thread t) {
823	+	awaitTermination(t, LONG_DELAY_MS);
824	+	}
825	+
826		// Some convenient Runnable classes
827
828		public abstract class CheckedRunnable implements Runnable {
#	Line 615 | Line 885 | public class JSR166TestCase extends Test
885		realRun();
886		threadShouldThrow("InterruptedException");
887		} catch (InterruptedException success) {
888	+	threadAssertFalse(Thread.interrupted());
889		} catch (Throwable t) {
890		threadUnexpectedException(t);
891		}
#	Line 644 | Line 915 | public class JSR166TestCase extends Test
915		threadShouldThrow("InterruptedException");
916		return result;
917		} catch (InterruptedException success) {
918	+	threadAssertFalse(Thread.interrupted());
919		} catch (Throwable t) {
920		threadUnexpectedException(t);
921		}
#	Line 667 | Line 939 | public class JSR166TestCase extends Test
939
940		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
941		return new CheckedCallable<String>() {
942	<	public String realCall() {
942	>	protected String realCall() {
943		try {
944		latch.await();
945		} catch (InterruptedException quittingTime) {}
#	Line 675 | Line 947 | public class JSR166TestCase extends Test
947		}};
948		}
949
950	+	public Runnable awaiter(final CountDownLatch latch) {
951	+	return new CheckedRunnable() {
952	+	public void realRun() throws InterruptedException {
953	+	await(latch);
954	+	}};
955	+	}
956	+
957	+	public void await(CountDownLatch latch) {
958	+	try {
959	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
960	+	} catch (Throwable t) {
961	+	threadUnexpectedException(t);
962	+	}
963	+	}
964	+
965	+	public void await(Semaphore semaphore) {
966	+	try {
967	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
968	+	} catch (Throwable t) {
969	+	threadUnexpectedException(t);
970	+	}
971	+	}
972	+
973	+	//     /**
974	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
975	+	//      */
976	+	//     public void await(AtomicBoolean flag) {
977	+	//         await(flag, LONG_DELAY_MS);
978	+	//     }
979	+
980	+	//     /**
981	+	//      * Spin-waits up to the specified timeout until flag becomes true.
982	+	//      */
983	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
984	+	//         long startTime = System.nanoTime();
985	+	//         while (!flag.get()) {
986	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
987	+	//                 throw new AssertionFailedError("timed out");
988	+	//             Thread.yield();
989	+	//         }
990	+	//     }
991	+
992		public static class NPETask implements Callable<String> {
993		public String call() { throw new NullPointerException(); }
994		}
#	Line 685 | Line 999 | public class JSR166TestCase extends Test
999
1000		public class ShortRunnable extends CheckedRunnable {
1001		protected void realRun() throws Throwable {
1002	<	Thread.sleep(SHORT_DELAY_MS);
1002	>	delay(SHORT_DELAY_MS);
1003		}
1004		}
1005
1006		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1007		protected void realRun() throws InterruptedException {
1008	<	Thread.sleep(SHORT_DELAY_MS);
1008	>	delay(SHORT_DELAY_MS);
1009		}
1010		}
1011
1012		public class SmallRunnable extends CheckedRunnable {
1013		protected void realRun() throws Throwable {
1014	<	Thread.sleep(SMALL_DELAY_MS);
1014	>	delay(SMALL_DELAY_MS);
1015		}
1016		}
1017
1018		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1019		protected void realRun() {
1020		try {
1021	<	Thread.sleep(SMALL_DELAY_MS);
1021	>	delay(SMALL_DELAY_MS);
1022		} catch (InterruptedException ok) {}
1023		}
1024		}
1025
1026		public class SmallCallable extends CheckedCallable {
1027		protected Object realCall() throws InterruptedException {
1028	<	Thread.sleep(SMALL_DELAY_MS);
1028	>	delay(SMALL_DELAY_MS);
1029		return Boolean.TRUE;
1030		}
1031		}
1032
719	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
720	–	protected void realRun() throws InterruptedException {
721	–	Thread.sleep(SMALL_DELAY_MS);
722	–	}
723	–	}
724	–
1033		public class MediumRunnable extends CheckedRunnable {
1034		protected void realRun() throws Throwable {
1035	<	Thread.sleep(MEDIUM_DELAY_MS);
1035	>	delay(MEDIUM_DELAY_MS);
1036		}
1037		}
1038
1039		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1040		protected void realRun() throws InterruptedException {
1041	<	Thread.sleep(MEDIUM_DELAY_MS);
1041	>	delay(MEDIUM_DELAY_MS);
1042		}
1043		}
1044
1045	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1046	+	return new CheckedRunnable() {
1047	+	protected void realRun() {
1048	+	try {
1049	+	delay(timeoutMillis);
1050	+	} catch (InterruptedException ok) {}
1051	+	}};
1052	+	}
1053	+
1054		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1055		protected void realRun() {
1056		try {
1057	<	Thread.sleep(MEDIUM_DELAY_MS);
1057	>	delay(MEDIUM_DELAY_MS);
1058		} catch (InterruptedException ok) {}
1059		}
1060		}
#	Line 745 | Line 1062 | public class JSR166TestCase extends Test
1062		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1063		protected void realRun() {
1064		try {
1065	<	Thread.sleep(LONG_DELAY_MS);
1065	>	delay(LONG_DELAY_MS);
1066		} catch (InterruptedException ok) {}
1067		}
1068		}
#	Line 759 | Line 1076 | public class JSR166TestCase extends Test
1076		}
1077		}
1078
1079	+	public interface TrackedRunnable extends Runnable {
1080	+	boolean isDone();
1081	+	}
1082	+
1083	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1084	+	return new TrackedRunnable() {
1085	+	private volatile boolean done = false;
1086	+	public boolean isDone() { return done; }
1087	+	public void run() {
1088	+	try {
1089	+	delay(timeoutMillis);
1090	+	done = true;
1091	+	} catch (InterruptedException ok) {}
1092	+	}
1093	+	};
1094	+	}
1095	+
1096		public static class TrackedShortRunnable implements Runnable {
1097		public volatile boolean done = false;
1098		public void run() {
1099		try {
1100	<	Thread.sleep(SMALL_DELAY_MS);
1100	>	delay(SHORT_DELAY_MS);
1101	>	done = true;
1102	>	} catch (InterruptedException ok) {}
1103	>	}
1104	>	}
1105	>
1106	>	public static class TrackedSmallRunnable implements Runnable {
1107	>	public volatile boolean done = false;
1108	>	public void run() {
1109	>	try {
1110	>	delay(SMALL_DELAY_MS);
1111		done = true;
1112		} catch (InterruptedException ok) {}
1113		}
#	Line 773 | Line 1117 | public class JSR166TestCase extends Test
1117		public volatile boolean done = false;
1118		public void run() {
1119		try {
1120	<	Thread.sleep(MEDIUM_DELAY_MS);
1120	>	delay(MEDIUM_DELAY_MS);
1121		done = true;
1122		} catch (InterruptedException ok) {}
1123		}
#	Line 783 | Line 1127 | public class JSR166TestCase extends Test
1127		public volatile boolean done = false;
1128		public void run() {
1129		try {
1130	<	Thread.sleep(LONG_DELAY_MS);
1130	>	delay(LONG_DELAY_MS);
1131		done = true;
1132		} catch (InterruptedException ok) {}
1133		}
#	Line 800 | Line 1144 | public class JSR166TestCase extends Test
1144		public volatile boolean done = false;
1145		public Object call() {
1146		try {
1147	<	Thread.sleep(SMALL_DELAY_MS);
1147	>	delay(SMALL_DELAY_MS);
1148		done = true;
1149		} catch (InterruptedException ok) {}
1150		return Boolean.TRUE;
#	Line 846 | Line 1190 | public class JSR166TestCase extends Test
1190		ThreadPoolExecutor executor) {}
1191		}
1192
1193	+	/**
1194	+	* A CyclicBarrier that uses timed await and fails with
1195	+	* AssertionFailedErrors instead of throwing checked exceptions.
1196	+	*/
1197	+	public class CheckedBarrier extends CyclicBarrier {
1198	+	public CheckedBarrier(int parties) { super(parties); }
1199	+
1200	+	public int await() {
1201	+	try {
1202	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1203	+	} catch (TimeoutException e) {
1204	+	throw new AssertionFailedError("timed out");
1205	+	} catch (Exception e) {
1206	+	AssertionFailedError afe =
1207	+	new AssertionFailedError("Unexpected exception: " + e);
1208	+	afe.initCause(e);
1209	+	throw afe;
1210	+	}
1211	+	}
1212	+	}
1213	+
1214	+	void checkEmpty(BlockingQueue q) {
1215	+	try {
1216	+	assertTrue(q.isEmpty());
1217	+	assertEquals(0, q.size());
1218	+	assertNull(q.peek());
1219	+	assertNull(q.poll());
1220	+	assertNull(q.poll(0, MILLISECONDS));
1221	+	assertEquals(q.toString(), "[]");
1222	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1223	+	assertFalse(q.iterator().hasNext());
1224	+	try {
1225	+	q.element();
1226	+	shouldThrow();
1227	+	} catch (NoSuchElementException success) {}
1228	+	try {
1229	+	q.iterator().next();
1230	+	shouldThrow();
1231	+	} catch (NoSuchElementException success) {}
1232	+	try {
1233	+	q.remove();
1234	+	shouldThrow();
1235	+	} catch (NoSuchElementException success) {}
1236	+	} catch (InterruptedException ie) {
1237	+	threadUnexpectedException(ie);
1238	+	}
1239	+	}
1240	+
1241	+	void assertSerialEquals(Object x, Object y) {
1242	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1243	+	}
1244	+
1245	+	void assertNotSerialEquals(Object x, Object y) {
1246	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1247	+	}
1248	+
1249	+	byte[] serialBytes(Object o) {
1250	+	try {
1251	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1252	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1253	+	oos.writeObject(o);
1254	+	oos.flush();
1255	+	oos.close();
1256	+	return bos.toByteArray();
1257	+	} catch (Throwable t) {
1258	+	threadUnexpectedException(t);
1259	+	return new byte[0];
1260	+	}
1261	+	}
1262	+
1263	+	@SuppressWarnings("unchecked")
1264	+	<T> T serialClone(T o) {
1265	+	try {
1266	+	ObjectInputStream ois = new ObjectInputStream
1267	+	(new ByteArrayInputStream(serialBytes(o)));
1268	+	T clone = (T) ois.readObject();
1269	+	assertSame(o.getClass(), clone.getClass());
1270	+	return clone;
1271	+	} catch (Throwable t) {
1272	+	threadUnexpectedException(t);
1273	+	return null;
1274	+	}
1275	+	}
1276		}

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