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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 1.94 by jsr166, Mon Jan 21 19:32:19 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 105 | Line 155 | public class JSR166TestCase extends Test
155		Policy.setPolicy(permissivePolicy());
156		System.setSecurityManager(new SecurityManager());
157		}
158	<	int iters = 1;
159	<	if (args.length > 0)
110	<	iters = Integer.parseInt(args[0]);
158	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
159	>
160		Test s = suite();
161		for (int i = 0; i < iters; ++i) {
162		junit.textui.TestRunner.run(s);
#	Line 117 | 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(new TestSuite(ForkJoinPoolTest.class));
189	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
190	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
191	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
192	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
193	<	suite.addTest(new TestSuite(PhaserTest.class));
194	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
195	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
196	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
197	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
198	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
199	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
200	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
201	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
202	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
203	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
204	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
205	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
206	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
207	<	suite.addTest(new TestSuite(AtomicLongTest.class));
208	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
209	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
210	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
211	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
212	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
213	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
214	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
215	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
216	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
217	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
218	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
219	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
220	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
221	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
222	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
223	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
224	<	suite.addTest(new TestSuite(DelayQueueTest.class));
225	<	suite.addTest(new TestSuite(EntryTest.class));
226	<	suite.addTest(new TestSuite(ExchangerTest.class));
227	<	suite.addTest(new TestSuite(ExecutorsTest.class));
228	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
229	<	suite.addTest(new TestSuite(FutureTaskTest.class));
230	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
231	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
232	<	suite.addTest(new TestSuite(LinkedListTest.class));
233	<	suite.addTest(new TestSuite(LockSupportTest.class));
234	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
235	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
236	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
237	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
238	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
239	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
240	<	suite.addTest(new TestSuite(SemaphoreTest.class));
241	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
242	<	suite.addTest(new TestSuite(SystemTest.class));
243	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
244	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
245	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
246	<	suite.addTest(new TestSuite(ThreadTest.class));
247	<	suite.addTest(new TestSuite(TimeUnitTest.class));
248	<	suite.addTest(new TestSuite(TreeMapTest.class));
249	<	suite.addTest(new TestSuite(TreeSetTest.class));
250	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
189	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
190	<
191	<	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 206 | Line 265 | public class JSR166TestCase extends Test
265		return 50;
266		}
267
209	–
268		/**
269		* Sets delays as multiples of SHORT_DELAY.
270		*/
#	Line 214 | 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 238 | 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 251 | 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 272 | 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 286 | 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 300 | 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 314 | 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 328 | 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 369 | 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();
377	–	// 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;
474	<	}
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(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
505	>	assertTrue("ExecutorService did not terminate in a timely manner",
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	+	* Checks that thread does not terminate within the default
516	+	* millisecond delay of {@code timeoutMillis()}.
517	+	*/
518	+	void assertThreadStaysAlive(Thread thread) {
519	+	assertThreadStaysAlive(thread, timeoutMillis());
520	+	}
521	+
522	+	/**
523	+	* Checks that thread does not terminate within the given millisecond delay.
524	+	*/
525	+	void assertThreadStaysAlive(Thread thread, long millis) {
526	+	try {
527	+	// No need to optimize the failing case via Thread.join.
528	+	delay(millis);
529	+	assertTrue(thread.isAlive());
530	+	} catch (InterruptedException ie) {
531	+	fail("Unexpected InterruptedException");
532	+	}
533	+	}
534	+
535	+	/**
536	+	* Checks that the threads do not terminate within the default
537	+	* millisecond delay of {@code timeoutMillis()}.
538	+	*/
539	+	void assertThreadsStayAlive(Thread... threads) {
540	+	assertThreadsStayAlive(timeoutMillis(), threads);
541	+	}
542	+
543	+	/**
544	+	* Checks that the threads do not terminate within the given millisecond delay.
545	+	*/
546	+	void assertThreadsStayAlive(long millis, Thread... threads) {
547	+	try {
548	+	// No need to optimize the failing case via Thread.join.
549	+	delay(millis);
550	+	for (Thread thread : threads)
551	+	assertTrue(thread.isAlive());
552	+	} catch (InterruptedException ie) {
553	+	fail("Unexpected InterruptedException");
554	+	}
555	+	}
556	+
557	+	/**
558	+	* Checks that future.get times out, with the default timeout of
559	+	* {@code timeoutMillis()}.
560	+	*/
561	+	void assertFutureTimesOut(Future future) {
562	+	assertFutureTimesOut(future, timeoutMillis());
563	+	}
564	+
565	+	/**
566	+	* Checks that future.get times out, with the given millisecond timeout.
567	+	*/
568	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
569	+	long startTime = System.nanoTime();
570	+	try {
571	+	future.get(timeoutMillis, MILLISECONDS);
572	+	shouldThrow();
573	+	} catch (TimeoutException success) {
574	+	} catch (Exception e) {
575	+	threadUnexpectedException(e);
576	+	} finally { future.cancel(true); }
577	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
578	+	}
579
580		/**
581		* Fails with message "should throw exception".
#	Line 416 | Line 592 | public class JSR166TestCase extends Test
592		}
593
594		/**
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	–	/**
595		* The number of elements to place in collections, arrays, etc.
596		*/
597		public static final int SIZE = 20;
#	Line 461 | Line 628 | public class JSR166TestCase extends Test
628		SecurityManager sm = System.getSecurityManager();
629		if (sm == null) {
630		r.run();
631	+	}
632	+	runWithSecurityManagerWithPermissions(r, permissions);
633	+	}
634	+
635	+	/**
636	+	* Runs Runnable r with a security policy that permits precisely
637	+	* the specified permissions.  If there is no current security
638	+	* manager, a temporary one is set for the duration of the
639	+	* Runnable.  We require that any security manager permit
640	+	* getPolicy/setPolicy.
641	+	*/
642	+	public void runWithSecurityManagerWithPermissions(Runnable r,
643	+	Permission... permissions) {
644	+	SecurityManager sm = System.getSecurityManager();
645	+	if (sm == null) {
646		Policy savedPolicy = Policy.getPolicy();
647		try {
648		Policy.setPolicy(permissivePolicy());
649		System.setSecurityManager(new SecurityManager());
650	<	runWithPermissions(r, permissions);
650	>	runWithSecurityManagerWithPermissions(r, permissions);
651		} finally {
652		System.setSecurityManager(null);
653		Policy.setPolicy(savedPolicy);
#	Line 513 | Line 695 | public class JSR166TestCase extends Test
695		return perms.implies(p);
696		}
697		public void refresh() {}
698	+	public String toString() {
699	+	List<Permission> ps = new ArrayList<Permission>();
700	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
701	+	ps.add(e.nextElement());
702	+	return "AdjustablePolicy with permissions " + ps;
703	+	}
704		}
705
706		/**
#	Line 535 | Line 723 | public class JSR166TestCase extends Test
723		}
724
725		/**
726	<	* Sleep until the timeout has elapsed, or interrupted.
727	<	* Does <em>NOT</em> throw InterruptedException.
726	>	* Sleeps until the given time has elapsed.
727	>	* Throws AssertionFailedError if interrupted.
728		*/
729	<	void sleepTillInterrupted(long timeoutMillis) {
729	>	void sleep(long millis) {
730		try {
731	<	Thread.sleep(timeoutMillis);
732	<	} catch (InterruptedException wakeup) {}
731	>	delay(millis);
732	>	} catch (InterruptedException ie) {
733	>	AssertionFailedError afe =
734	>	new AssertionFailedError("Unexpected InterruptedException");
735	>	afe.initCause(ie);
736	>	throw afe;
737	>	}
738	>	}
739	>
740	>	/**
741	>	* Spin-waits up to the specified number of milliseconds for the given
742	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
743	>	*/
744	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
745	>	long startTime = System.nanoTime();
746	>	for (;;) {
747	>	Thread.State s = thread.getState();
748	>	if (s == Thread.State.BLOCKED ||
749	>	s == Thread.State.WAITING ||
750	>	s == Thread.State.TIMED_WAITING)
751	>	return;
752	>	else if (s == Thread.State.TERMINATED)
753	>	fail("Unexpected thread termination");
754	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
755	>	threadAssertTrue(thread.isAlive());
756	>	return;
757	>	}
758	>	Thread.yield();
759	>	}
760		}
761
762		/**
763	<	* Returns a new started Thread running the given runnable.
763	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
764	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
765	>	*/
766	>	void waitForThreadToEnterWaitState(Thread thread) {
767	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
768	>	}
769	>
770	>	/**
771	>	* Returns the number of milliseconds since time given by
772	>	* startNanoTime, which must have been previously returned from a
773	>	* call to {@link System.nanoTime()}.
774	>	*/
775	>	long millisElapsedSince(long startNanoTime) {
776	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
777	>	}
778	>
779	>	/**
780	>	* Returns a new started daemon Thread running the given runnable.
781		*/
782		Thread newStartedThread(Runnable runnable) {
783		Thread t = new Thread(runnable);
784	+	t.setDaemon(true);
785		t.start();
786		return t;
787		}
788
789	+	/**
790	+	* Waits for the specified time (in milliseconds) for the thread
791	+	* to terminate (using {@link Thread#join(long)}), else interrupts
792	+	* the thread (in the hope that it may terminate later) and fails.
793	+	*/
794	+	void awaitTermination(Thread t, long timeoutMillis) {
795	+	try {
796	+	t.join(timeoutMillis);
797	+	} catch (InterruptedException ie) {
798	+	threadUnexpectedException(ie);
799	+	} finally {
800	+	if (t.getState() != Thread.State.TERMINATED) {
801	+	t.interrupt();
802	+	fail("Test timed out");
803	+	}
804	+	}
805	+	}
806	+
807	+	/**
808	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
809	+	* terminate (using {@link Thread#join(long)}), else interrupts
810	+	* the thread (in the hope that it may terminate later) and fails.
811	+	*/
812	+	void awaitTermination(Thread t) {
813	+	awaitTermination(t, LONG_DELAY_MS);
814	+	}
815	+
816		// Some convenient Runnable classes
817
818		public abstract class CheckedRunnable implements Runnable {
#	Line 615 | Line 875 | public class JSR166TestCase extends Test
875		realRun();
876		threadShouldThrow("InterruptedException");
877		} catch (InterruptedException success) {
878	+	threadAssertFalse(Thread.interrupted());
879		} catch (Throwable t) {
880		threadUnexpectedException(t);
881		}
#	Line 644 | Line 905 | public class JSR166TestCase extends Test
905		threadShouldThrow("InterruptedException");
906		return result;
907		} catch (InterruptedException success) {
908	+	threadAssertFalse(Thread.interrupted());
909		} catch (Throwable t) {
910		threadUnexpectedException(t);
911		}
#	Line 667 | Line 929 | public class JSR166TestCase extends Test
929
930		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
931		return new CheckedCallable<String>() {
932	<	public String realCall() {
932	>	protected String realCall() {
933		try {
934		latch.await();
935		} catch (InterruptedException quittingTime) {}
#	Line 675 | Line 937 | public class JSR166TestCase extends Test
937		}};
938		}
939
940	+	public Runnable awaiter(final CountDownLatch latch) {
941	+	return new CheckedRunnable() {
942	+	public void realRun() throws InterruptedException {
943	+	await(latch);
944	+	}};
945	+	}
946	+
947	+	public void await(CountDownLatch latch) {
948	+	try {
949	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
950	+	} catch (Throwable t) {
951	+	threadUnexpectedException(t);
952	+	}
953	+	}
954	+
955	+	public void await(Semaphore semaphore) {
956	+	try {
957	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
958	+	} catch (Throwable t) {
959	+	threadUnexpectedException(t);
960	+	}
961	+	}
962	+
963	+	//     /**
964	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
965	+	//      */
966	+	//     public void await(AtomicBoolean flag) {
967	+	//         await(flag, LONG_DELAY_MS);
968	+	//     }
969	+
970	+	//     /**
971	+	//      * Spin-waits up to the specified timeout until flag becomes true.
972	+	//      */
973	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
974	+	//         long startTime = System.nanoTime();
975	+	//         while (!flag.get()) {
976	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
977	+	//                 throw new AssertionFailedError("timed out");
978	+	//             Thread.yield();
979	+	//         }
980	+	//     }
981	+
982		public static class NPETask implements Callable<String> {
983		public String call() { throw new NullPointerException(); }
984		}
#	Line 685 | Line 989 | public class JSR166TestCase extends Test
989
990		public class ShortRunnable extends CheckedRunnable {
991		protected void realRun() throws Throwable {
992	<	Thread.sleep(SHORT_DELAY_MS);
992	>	delay(SHORT_DELAY_MS);
993		}
994		}
995
996		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
997		protected void realRun() throws InterruptedException {
998	<	Thread.sleep(SHORT_DELAY_MS);
998	>	delay(SHORT_DELAY_MS);
999		}
1000		}
1001
1002		public class SmallRunnable extends CheckedRunnable {
1003		protected void realRun() throws Throwable {
1004	<	Thread.sleep(SMALL_DELAY_MS);
1004	>	delay(SMALL_DELAY_MS);
1005		}
1006		}
1007
1008		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1009		protected void realRun() {
1010		try {
1011	<	Thread.sleep(SMALL_DELAY_MS);
1011	>	delay(SMALL_DELAY_MS);
1012		} catch (InterruptedException ok) {}
1013		}
1014		}
1015
1016		public class SmallCallable extends CheckedCallable {
1017		protected Object realCall() throws InterruptedException {
1018	<	Thread.sleep(SMALL_DELAY_MS);
1018	>	delay(SMALL_DELAY_MS);
1019		return Boolean.TRUE;
1020		}
1021		}
1022
719	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
720	–	protected void realRun() throws InterruptedException {
721	–	Thread.sleep(SMALL_DELAY_MS);
722	–	}
723	–	}
724	–
1023		public class MediumRunnable extends CheckedRunnable {
1024		protected void realRun() throws Throwable {
1025	<	Thread.sleep(MEDIUM_DELAY_MS);
1025	>	delay(MEDIUM_DELAY_MS);
1026		}
1027		}
1028
1029		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1030		protected void realRun() throws InterruptedException {
1031	<	Thread.sleep(MEDIUM_DELAY_MS);
1031	>	delay(MEDIUM_DELAY_MS);
1032		}
1033		}
1034
1035	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1036	+	return new CheckedRunnable() {
1037	+	protected void realRun() {
1038	+	try {
1039	+	delay(timeoutMillis);
1040	+	} catch (InterruptedException ok) {}
1041	+	}};
1042	+	}
1043	+
1044		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1045		protected void realRun() {
1046		try {
1047	<	Thread.sleep(MEDIUM_DELAY_MS);
1047	>	delay(MEDIUM_DELAY_MS);
1048		} catch (InterruptedException ok) {}
1049		}
1050		}
#	Line 745 | Line 1052 | public class JSR166TestCase extends Test
1052		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1053		protected void realRun() {
1054		try {
1055	<	Thread.sleep(LONG_DELAY_MS);
1055	>	delay(LONG_DELAY_MS);
1056		} catch (InterruptedException ok) {}
1057		}
1058		}
#	Line 759 | Line 1066 | public class JSR166TestCase extends Test
1066		}
1067		}
1068
1069	+	public interface TrackedRunnable extends Runnable {
1070	+	boolean isDone();
1071	+	}
1072	+
1073	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1074	+	return new TrackedRunnable() {
1075	+	private volatile boolean done = false;
1076	+	public boolean isDone() { return done; }
1077	+	public void run() {
1078	+	try {
1079	+	delay(timeoutMillis);
1080	+	done = true;
1081	+	} catch (InterruptedException ok) {}
1082	+	}
1083	+	};
1084	+	}
1085	+
1086		public static class TrackedShortRunnable implements Runnable {
1087		public volatile boolean done = false;
1088		public void run() {
1089		try {
1090	<	Thread.sleep(SMALL_DELAY_MS);
1090	>	delay(SHORT_DELAY_MS);
1091	>	done = true;
1092	>	} catch (InterruptedException ok) {}
1093	>	}
1094	>	}
1095	>
1096	>	public static class TrackedSmallRunnable implements Runnable {
1097	>	public volatile boolean done = false;
1098	>	public void run() {
1099	>	try {
1100	>	delay(SMALL_DELAY_MS);
1101		done = true;
1102		} catch (InterruptedException ok) {}
1103		}
#	Line 773 | Line 1107 | public class JSR166TestCase extends Test
1107		public volatile boolean done = false;
1108		public void run() {
1109		try {
1110	<	Thread.sleep(MEDIUM_DELAY_MS);
1110	>	delay(MEDIUM_DELAY_MS);
1111		done = true;
1112		} catch (InterruptedException ok) {}
1113		}
#	Line 783 | Line 1117 | public class JSR166TestCase extends Test
1117		public volatile boolean done = false;
1118		public void run() {
1119		try {
1120	<	Thread.sleep(LONG_DELAY_MS);
1120	>	delay(LONG_DELAY_MS);
1121		done = true;
1122		} catch (InterruptedException ok) {}
1123		}
#	Line 800 | Line 1134 | public class JSR166TestCase extends Test
1134		public volatile boolean done = false;
1135		public Object call() {
1136		try {
1137	<	Thread.sleep(SMALL_DELAY_MS);
1137	>	delay(SMALL_DELAY_MS);
1138		done = true;
1139		} catch (InterruptedException ok) {}
1140		return Boolean.TRUE;
#	Line 846 | Line 1180 | public class JSR166TestCase extends Test
1180		ThreadPoolExecutor executor) {}
1181		}
1182
1183	+	/**
1184	+	* A CyclicBarrier that uses timed await and fails with
1185	+	* AssertionFailedErrors instead of throwing checked exceptions.
1186	+	*/
1187	+	public class CheckedBarrier extends CyclicBarrier {
1188	+	public CheckedBarrier(int parties) { super(parties); }
1189	+
1190	+	public int await() {
1191	+	try {
1192	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1193	+	} catch (TimeoutException e) {
1194	+	throw new AssertionFailedError("timed out");
1195	+	} catch (Exception e) {
1196	+	AssertionFailedError afe =
1197	+	new AssertionFailedError("Unexpected exception: " + e);
1198	+	afe.initCause(e);
1199	+	throw afe;
1200	+	}
1201	+	}
1202	+	}
1203	+
1204	+	void checkEmpty(BlockingQueue q) {
1205	+	try {
1206	+	assertTrue(q.isEmpty());
1207	+	assertEquals(0, q.size());
1208	+	assertNull(q.peek());
1209	+	assertNull(q.poll());
1210	+	assertNull(q.poll(0, MILLISECONDS));
1211	+	assertEquals(q.toString(), "[]");
1212	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1213	+	assertFalse(q.iterator().hasNext());
1214	+	try {
1215	+	q.element();
1216	+	shouldThrow();
1217	+	} catch (NoSuchElementException success) {}
1218	+	try {
1219	+	q.iterator().next();
1220	+	shouldThrow();
1221	+	} catch (NoSuchElementException success) {}
1222	+	try {
1223	+	q.remove();
1224	+	shouldThrow();
1225	+	} catch (NoSuchElementException success) {}
1226	+	} catch (InterruptedException ie) {
1227	+	threadUnexpectedException(ie);
1228	+	}
1229	+	}
1230	+
1231	+	void assertSerialEquals(Object x, Object y) {
1232	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1233	+	}
1234	+
1235	+	void assertNotSerialEquals(Object x, Object y) {
1236	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1237	+	}
1238	+
1239	+	byte[] serialBytes(Object o) {
1240	+	try {
1241	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1242	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1243	+	oos.writeObject(o);
1244	+	oos.flush();
1245	+	oos.close();
1246	+	return bos.toByteArray();
1247	+	} catch (Throwable t) {
1248	+	threadUnexpectedException(t);
1249	+	return new byte[0];
1250	+	}
1251	+	}
1252	+
1253	+	@SuppressWarnings("unchecked")
1254	+	<T> T serialClone(T o) {
1255	+	try {
1256	+	ObjectInputStream ois = new ObjectInputStream
1257	+	(new ByteArrayInputStream(serialBytes(o)));
1258	+	T clone = (T) ois.readObject();
1259	+	assertSame(o.getClass(), clone.getClass());
1260	+	return clone;
1261	+	} catch (Throwable t) {
1262	+	threadUnexpectedException(t);
1263	+	return null;
1264	+	}
1265	+	}
1266		}

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