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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.40 by jsr166, Fri Nov 20 00:58:01 2009 UTC vs.
Revision 1.88 by jsr166, Tue May 31 15:01:24 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.util.*;
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 java.io.*;
23	<	import java.security.*;
22	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
23	>	import java.security.CodeSource;
24	>	import java.security.Permission;
25	>	import java.security.PermissionCollection;
26	>	import java.security.Permissions;
27	>	import java.security.Policy;
28	>	import java.security.ProtectionDomain;
29	>	import java.security.SecurityPermission;
30
31		/**
32		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 26 | Line 41 | import java.security.*;
41		* <li> All assertions in code running in generated threads must use
42		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
43		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
44	<	* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
44	>	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
45		* particularly recommended) for other code to use these forms too.
46		* Only the most typically used JUnit assertion methods are defined
47		* this way, but enough to live with.</li>
48		*
49		* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
50	<	* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
50	>	* to invoke {@code super.setUp} and {@code super.tearDown} within
51		* them. These methods are used to clear and check for thread
52		* assertion failures.</li>
53		*
54	<	* <li>All delays and timeouts must use one of the constants <tt>
55	<	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
56	<	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
54	>	* <li>All delays and timeouts must use one of the constants {@code
55	>	* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
56	>	* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
57		* discriminable from zero time, and always allows enough time for the
58		* small amounts of computation (creating a thread, calling a few
59		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
#	Line 48 | Line 63 | import java.security.*;
63		* in one spot to rerun tests on slower platforms.</li>
64		*
65		* <li> All threads generated must be joined inside each test case
66	<	* method (or <tt>fail</tt> to do so) before returning from the
67	<	* method. The <tt> joinPool</tt> method can be used to do this when
66	>	* method (or {@code fail} to do so) before returning from the
67	>	* method. The {@code joinPool} method can be used to do this when
68		* using Executors.</li>
69		*
70		* </ol>
#	Line 81 | Line 96 | import java.security.*;
96		* any particular package to simplify things for people integrating
97		* them in TCK test suites.</li>
98		*
99	<	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
99	>	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
100		* runs all JSR166 unit tests.</li>
101		*
102		* </ul>
103		*/
104		public class JSR166TestCase extends TestCase {
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		*/
147	<	public static void main (String[] args) {
148	<	int iters = 1;
149	<	if (args.length > 0)
150	<	iters = Integer.parseInt(args[0]);
147	>	public static void main(String[] args) {
148	>	if (useSecurityManager) {
149	>	System.err.println("Setting a permissive security manager");
150	>	Policy.setPolicy(permissivePolicy());
151	>	System.setSecurityManager(new SecurityManager());
152	>	}
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);
157	>	junit.textui.TestRunner.run(s);
158		System.gc();
159		System.runFinalization();
160		}
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(ConcurrentLinkedQueueTest.class));
210	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
211	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
212	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
213	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
214	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
215	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
216	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
217	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
218	<	suite.addTest(new TestSuite(DelayQueueTest.class));
219	<	suite.addTest(new TestSuite(EntryTest.class));
220	<	suite.addTest(new TestSuite(ExchangerTest.class));
221	<	suite.addTest(new TestSuite(ExecutorsTest.class));
222	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
223	<	suite.addTest(new TestSuite(FutureTaskTest.class));
224	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
225	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
226	<	suite.addTest(new TestSuite(LinkedListTest.class));
227	<	suite.addTest(new TestSuite(LockSupportTest.class));
228	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
229	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
230	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
231	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
232	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
233	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
234	<	suite.addTest(new TestSuite(SemaphoreTest.class));
235	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
236	<	suite.addTest(new TestSuite(SystemTest.class));
237	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
238	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
239	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
240	<	suite.addTest(new TestSuite(ThreadTest.class));
241	<	suite.addTest(new TestSuite(TimeUnitTest.class));
242	<	suite.addTest(new TestSuite(TreeMapTest.class));
243	<	suite.addTest(new TestSuite(TreeSetTest.class));
244	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
245	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
175	<
176	<	return suite;
180	>	public static Test 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 191 | Line 260 | public class JSR166TestCase extends Test
260		return 50;
261		}
262
194	–
263		/**
264		* Sets delays as multiples of SHORT_DELAY.
265		*/
266	<	protected  void setDelays() {
266	>	protected void setDelays() {
267		SHORT_DELAY_MS = getShortDelay();
268	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
268	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
269		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
270	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
270	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
271		}
272
273		/**
274	<	* Flag set true if any threadAssert methods fail
274	>	* Returns a timeout in milliseconds to be used in tests that
275	>	* verify that operations block or time out.
276		*/
277	<	volatile boolean threadFailed;
277	>	long timeoutMillis() {
278	>	return SHORT_DELAY_MS / 4;
279	>	}
280	>
281	>	/**
282	>	* Returns a new Date instance representing a time delayMillis
283	>	* milliseconds in the future.
284	>	*/
285	>	Date delayedDate(long delayMillis) {
286	>	return new Date(System.currentTimeMillis() + delayMillis);
287	>	}
288	>
289	>	/**
290	>	* The first exception encountered if any threadAssertXXX method fails.
291	>	*/
292	>	private final AtomicReference<Throwable> threadFailure
293	>	= new AtomicReference<Throwable>(null);
294
295		/**
296	<	* Initializes test to indicate that no thread assertions have failed
296	>	* Records an exception so that it can be rethrown later in the test
297	>	* harness thread, triggering a test case failure.  Only the first
298	>	* failure is recorded; subsequent calls to this method from within
299	>	* the same test have no effect.
300		*/
301	+	public void threadRecordFailure(Throwable t) {
302	+	threadFailure.compareAndSet(null, t);
303	+	}
304	+
305		public void setUp() {
306		setDelays();
215	–	threadFailed = false;
307		}
308
309		/**
310	<	* Triggers test case failure if any thread assertions have failed
311	<	*/
312	<	public void tearDown() {
313	<	assertFalse(threadFailed);
310	>	* Extra checks that get done for all test cases.
311	>	*
312	>	* Triggers test case failure if any thread assertions have failed,
313	>	* by rethrowing, in the test harness thread, any exception recorded
314	>	* earlier by threadRecordFailure.
315	>	*
316	>	* Triggers test case failure if interrupt status is set in the main thread.
317	>	*/
318	>	public void tearDown() throws Exception {
319	>	Throwable t = threadFailure.getAndSet(null);
320	>	if (t != null) {
321	>	if (t instanceof Error)
322	>	throw (Error) t;
323	>	else if (t instanceof RuntimeException)
324	>	throw (RuntimeException) t;
325	>	else if (t instanceof Exception)
326	>	throw (Exception) t;
327	>	else {
328	>	AssertionFailedError afe =
329	>	new AssertionFailedError(t.toString());
330	>	afe.initCause(t);
331	>	throw afe;
332	>	}
333	>	}
334	>
335	>	if (Thread.interrupted())
336	>	throw new AssertionFailedError("interrupt status set in main thread");
337		}
338
339		/**
340	<	* Fail, also setting status to indicate current testcase should fail
340	>	* Just like fail(reason), but additionally recording (using
341	>	* threadRecordFailure) any AssertionFailedError thrown, so that
342	>	* the current testcase will fail.
343		*/
344		public void threadFail(String reason) {
345	<	threadFailed = true;
346	<	fail(reason);
345	>	try {
346	>	fail(reason);
347	>	} catch (AssertionFailedError t) {
348	>	threadRecordFailure(t);
349	>	fail(reason);
350	>	}
351		}
352
353		/**
354	<	* If expression not true, set status to indicate current testcase
355	<	* should fail
354	>	* Just like assertTrue(b), but additionally recording (using
355	>	* threadRecordFailure) any AssertionFailedError thrown, so that
356	>	* the current testcase will fail.
357		*/
358		public void threadAssertTrue(boolean b) {
359	<	if (!b) {
239	<	threadFailed = true;
359	>	try {
360		assertTrue(b);
361	+	} catch (AssertionFailedError t) {
362	+	threadRecordFailure(t);
363	+	throw t;
364		}
365		}
366
367		/**
368	<	* If expression not false, set status to indicate current testcase
369	<	* should fail
368	>	* Just like assertFalse(b), but additionally recording (using
369	>	* threadRecordFailure) any AssertionFailedError thrown, so that
370	>	* the current testcase will fail.
371		*/
372		public void threadAssertFalse(boolean b) {
373	<	if (b) {
250	<	threadFailed = true;
373	>	try {
374		assertFalse(b);
375	+	} catch (AssertionFailedError t) {
376	+	threadRecordFailure(t);
377	+	throw t;
378		}
379		}
380
381		/**
382	<	* If argument not null, set status to indicate current testcase
383	<	* should fail
382	>	* Just like assertNull(x), but additionally recording (using
383	>	* threadRecordFailure) any AssertionFailedError thrown, so that
384	>	* the current testcase will fail.
385		*/
386		public void threadAssertNull(Object x) {
387	<	if (x != null) {
261	<	threadFailed = true;
387	>	try {
388		assertNull(x);
389	+	} catch (AssertionFailedError t) {
390	+	threadRecordFailure(t);
391	+	throw t;
392		}
393		}
394
395		/**
396	<	* If arguments not equal, set status to indicate current testcase
397	<	* should fail
396	>	* Just like assertEquals(x, y), but additionally recording (using
397	>	* threadRecordFailure) any AssertionFailedError thrown, so that
398	>	* the current testcase will fail.
399		*/
400		public void threadAssertEquals(long x, long y) {
401	<	if (x != y) {
272	<	threadFailed = true;
401	>	try {
402		assertEquals(x, y);
403	+	} catch (AssertionFailedError t) {
404	+	threadRecordFailure(t);
405	+	throw t;
406		}
407		}
408
409		/**
410	<	* If arguments not equal, set status to indicate current testcase
411	<	* should fail
410	>	* Just like assertEquals(x, y), but additionally recording (using
411	>	* threadRecordFailure) any AssertionFailedError thrown, so that
412	>	* the current testcase will fail.
413		*/
414		public void threadAssertEquals(Object x, Object y) {
415	<	if (x != y && (x == null || !x.equals(y))) {
283	<	threadFailed = true;
415	>	try {
416		assertEquals(x, y);
417	+	} catch (AssertionFailedError t) {
418	+	threadRecordFailure(t);
419	+	throw t;
420	+	} catch (Throwable t) {
421	+	threadUnexpectedException(t);
422	+	}
423	+	}
424	+
425	+	/**
426	+	* Just like assertSame(x, y), but additionally recording (using
427	+	* threadRecordFailure) any AssertionFailedError thrown, so that
428	+	* the current testcase will fail.
429	+	*/
430	+	public void threadAssertSame(Object x, Object y) {
431	+	try {
432	+	assertSame(x, y);
433	+	} catch (AssertionFailedError t) {
434	+	threadRecordFailure(t);
435	+	throw t;
436		}
437		}
438
439		/**
440	<	* threadFail with message "should throw exception"
440	>	* Calls threadFail with message "should throw exception".
441		*/
442		public void threadShouldThrow() {
443	<	threadFailed = true;
293	<	fail("should throw exception");
443	>	threadFail("should throw exception");
444		}
445
446		/**
447	<	* threadFail with message "should throw" + exceptionName
447	>	* Calls threadFail with message "should throw" + exceptionName.
448		*/
449		public void threadShouldThrow(String exceptionName) {
450	<	threadFailed = true;
301	<	fail("should throw " + exceptionName);
450	>	threadFail("should throw " + exceptionName);
451		}
452
453		/**
454	<	* threadFail with message "Unexpected exception"
454	>	* Records the given exception using {@link #threadRecordFailure},
455	>	* then rethrows the exception, wrapping it in an
456	>	* AssertionFailedError if necessary.
457		*/
458	<	public void threadUnexpectedException() {
459	<	threadFailed = true;
460	<	fail("Unexpected exception");
458	>	public void threadUnexpectedException(Throwable t) {
459	>	threadRecordFailure(t);
460	>	t.printStackTrace();
461	>	if (t instanceof RuntimeException)
462	>	throw (RuntimeException) t;
463	>	else if (t instanceof Error)
464	>	throw (Error) t;
465	>	else {
466	>	AssertionFailedError afe =
467	>	new AssertionFailedError("unexpected exception: " + t);
468	>	afe.initCause(t);
469	>	throw afe;
470	>	}
471		}
472
473		/**
474	<	* threadFail with message "Unexpected exception", with argument
474	>	* Delays, via Thread.sleep, for the given millisecond delay, but
475	>	* if the sleep is shorter than specified, may re-sleep or yield
476	>	* until time elapses.
477		*/
478	<	public void threadUnexpectedException(Throwable ex) {
479	<	threadFailed = true;
480	<	ex.printStackTrace();
481	<	fail("Unexpected exception: " + ex);
478	>	static void delay(long millis) throws InterruptedException {
479	>	long startTime = System.nanoTime();
480	>	long ns = millis * 1000 * 1000;
481	>	for (;;) {
482	>	if (millis > 0L)
483	>	Thread.sleep(millis);
484	>	else // too short to sleep
485	>	Thread.yield();
486	>	long d = ns - (System.nanoTime() - startTime);
487	>	if (d > 0L)
488	>	millis = d / (1000 * 1000);
489	>	else
490	>	break;
491	>	}
492		}
493
494		/**
495	<	* Wait out termination of a thread pool or fail doing so
495	>	* Waits out termination of a thread pool or fails doing so.
496		*/
497	<	public void joinPool(ExecutorService exec) {
497	>	void joinPool(ExecutorService exec) {
498		try {
499		exec.shutdown();
500	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
500	>	assertTrue("ExecutorService did not terminate in a timely manner",
501	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
502		} catch (SecurityException ok) {
503		// Allowed in case test doesn't have privs
504		} catch (InterruptedException ie) {
505	<	fail("Unexpected exception");
505	>	fail("Unexpected InterruptedException");
506		}
507		}
508
509	+	/**
510	+	* Checks that thread does not terminate within the default
511	+	* millisecond delay of {@code timeoutMillis()}.
512	+	*/
513	+	void assertThreadStaysAlive(Thread thread) {
514	+	assertThreadStaysAlive(thread, timeoutMillis());
515	+	}
516
517		/**
518	<	* fail with message "should throw exception"
518	>	* Checks that thread does not terminate within the given millisecond delay.
519		*/
520	<	public void shouldThrow() {
521	<	fail("Should throw exception");
520	>	void assertThreadStaysAlive(Thread thread, long millis) {
521	>	try {
522	>	// No need to optimize the failing case via Thread.join.
523	>	delay(millis);
524	>	assertTrue(thread.isAlive());
525	>	} catch (InterruptedException ie) {
526	>	fail("Unexpected InterruptedException");
527	>	}
528		}
529
530		/**
531	<	* fail with message "should throw " + exceptionName
531	>	* Checks that future.get times out, with the default timeout of
532	>	* {@code timeoutMillis()}.
533		*/
534	<	public void shouldThrow(String exceptionName) {
535	<	fail("Should throw " + exceptionName);
534	>	void assertFutureTimesOut(Future future) {
535	>	assertFutureTimesOut(future, timeoutMillis());
536		}
537
538		/**
539	<	* fail with message "Unexpected exception"
539	>	* Checks that future.get times out, with the given millisecond timeout.
540		*/
541	<	public void unexpectedException() {
542	<	fail("Unexpected exception");
541	>	void assertFutureTimesOut(Future future, long timeoutMillis) {
542	>	long startTime = System.nanoTime();
543	>	try {
544	>	future.get(timeoutMillis, MILLISECONDS);
545	>	shouldThrow();
546	>	} catch (TimeoutException success) {
547	>	} catch (Exception e) {
548	>	threadUnexpectedException(e);
549	>	} finally { future.cancel(true); }
550	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
551		}
552
553		/**
554	<	* fail with message "Unexpected exception", with argument
554	>	* Fails with message "should throw exception".
555		*/
556	<	public void unexpectedException(Throwable ex) {
557	<	ex.printStackTrace();
362	<	fail("Unexpected exception: " + ex);
556	>	public void shouldThrow() {
557	>	fail("Should throw exception");
558		}
559
560	+	/**
561	+	* Fails with message "should throw " + exceptionName.
562	+	*/
563	+	public void shouldThrow(String exceptionName) {
564	+	fail("Should throw " + exceptionName);
565	+	}
566
567		/**
568		* The number of elements to place in collections, arrays, etc.
569		*/
570	<	static final int SIZE = 20;
570	>	public static final int SIZE = 20;
571
572		// Some convenient Integer constants
573
574	<	static final Integer zero = new Integer(0);
575	<	static final Integer one = new Integer(1);
576	<	static final Integer two = new Integer(2);
577	<	static final Integer three  = new Integer(3);
578	<	static final Integer four  = new Integer(4);
579	<	static final Integer five  = new Integer(5);
580	<	static final Integer six = new Integer(6);
581	<	static final Integer seven = new Integer(7);
582	<	static final Integer eight = new Integer(8);
583	<	static final Integer nine = new Integer(9);
584	<	static final Integer m1  = new Integer(-1);
585	<	static final Integer m2  = new Integer(-2);
586	<	static final Integer m3  = new Integer(-3);
587	<	static final Integer m4 = new Integer(-4);
588	<	static final Integer m5 = new Integer(-5);
589	<	static final Integer m6 = new Integer(-6);
590	<	static final Integer m10 = new Integer(-10);
574	>	public static final Integer zero  = new Integer(0);
575	>	public static final Integer one   = new Integer(1);
576	>	public static final Integer two   = new Integer(2);
577	>	public static final Integer three = new Integer(3);
578	>	public static final Integer four  = new Integer(4);
579	>	public static final Integer five  = new Integer(5);
580	>	public static final Integer six   = new Integer(6);
581	>	public static final Integer seven = new Integer(7);
582	>	public static final Integer eight = new Integer(8);
583	>	public static final Integer nine  = new Integer(9);
584	>	public static final Integer m1  = new Integer(-1);
585	>	public static final Integer m2  = new Integer(-2);
586	>	public static final Integer m3  = new Integer(-3);
587	>	public static final Integer m4  = new Integer(-4);
588	>	public static final Integer m5  = new Integer(-5);
589	>	public static final Integer m6  = new Integer(-6);
590	>	public static final Integer m10 = new Integer(-10);
591
592
593		/**
594	+	* Runs Runnable r with a security policy that permits precisely
595	+	* the specified permissions.  If there is no current security
596	+	* manager, the runnable is run twice, both with and without a
597	+	* security manager.  We require that any security manager permit
598	+	* getPolicy/setPolicy.
599	+	*/
600	+	public void runWithPermissions(Runnable r, Permission... permissions) {
601	+	SecurityManager sm = System.getSecurityManager();
602	+	if (sm == null) {
603	+	r.run();
604	+	Policy savedPolicy = Policy.getPolicy();
605	+	try {
606	+	Policy.setPolicy(permissivePolicy());
607	+	System.setSecurityManager(new SecurityManager());
608	+	runWithPermissions(r, permissions);
609	+	} finally {
610	+	System.setSecurityManager(null);
611	+	Policy.setPolicy(savedPolicy);
612	+	}
613	+	} else {
614	+	Policy savedPolicy = Policy.getPolicy();
615	+	AdjustablePolicy policy = new AdjustablePolicy(permissions);
616	+	Policy.setPolicy(policy);
617	+
618	+	try {
619	+	r.run();
620	+	} finally {
621	+	policy.addPermission(new SecurityPermission("setPolicy"));
622	+	Policy.setPolicy(savedPolicy);
623	+	}
624	+	}
625	+	}
626	+
627	+	/**
628	+	* Runs a runnable without any permissions.
629	+	*/
630	+	public void runWithoutPermissions(Runnable r) {
631	+	runWithPermissions(r);
632	+	}
633	+
634	+	/**
635		* A security policy where new permissions can be dynamically added
636		* or all cleared.
637		*/
638	<	static class AdjustablePolicy extends java.security.Policy {
638	>	public static class AdjustablePolicy extends java.security.Policy {
639		Permissions perms = new Permissions();
640	<	AdjustablePolicy() { }
640	>	AdjustablePolicy(Permission... permissions) {
641	>	for (Permission permission : permissions)
642	>	perms.add(permission);
643	>	}
644		void addPermission(Permission perm) { perms.add(perm); }
645		void clearPermissions() { perms = new Permissions(); }
646	<	public PermissionCollection getPermissions(CodeSource cs) {
647	<	return perms;
648	<	}
649	<	public PermissionCollection getPermissions(ProtectionDomain pd) {
650	<	return perms;
651	<	}
652	<	public boolean implies(ProtectionDomain pd, Permission p) {
653	<	return perms.implies(p);
654	<	}
655	<	public void refresh() {}
646	>	public PermissionCollection getPermissions(CodeSource cs) {
647	>	return perms;
648	>	}
649	>	public PermissionCollection getPermissions(ProtectionDomain pd) {
650	>	return perms;
651	>	}
652	>	public boolean implies(ProtectionDomain pd, Permission p) {
653	>	return perms.implies(p);
654	>	}
655	>	public void refresh() {}
656		}
657
658		/**
659	<	* Sleep until the timeout has elapsed, or interrupted.
415	<	* Does <em>NOT</em> throw InterruptedException.
659	>	* Returns a policy containing all the permissions we ever need.
660		*/
661	<	void sleepTillInterrupted(long timeoutMillis) {
661	>	public static Policy permissivePolicy() {
662	>	return new AdjustablePolicy
663	>	// Permissions j.u.c. needs directly
664	>	(new RuntimePermission("modifyThread"),
665	>	new RuntimePermission("getClassLoader"),
666	>	new RuntimePermission("setContextClassLoader"),
667	>	// Permissions needed to change permissions!
668	>	new SecurityPermission("getPolicy"),
669	>	new SecurityPermission("setPolicy"),
670	>	new RuntimePermission("setSecurityManager"),
671	>	// Permissions needed by the junit test harness
672	>	new RuntimePermission("accessDeclaredMembers"),
673	>	new PropertyPermission("*", "read"),
674	>	new java.io.FilePermission("<<ALL FILES>>", "read"));
675	>	}
676	>
677	>	/**
678	>	* Sleeps until the given time has elapsed.
679	>	* Throws AssertionFailedError if interrupted.
680	>	*/
681	>	void sleep(long millis) {
682		try {
683	<	Thread.sleep(timeoutMillis);
684	<	} catch (InterruptedException wakeup) {
683	>	delay(millis);
684	>	} catch (InterruptedException ie) {
685	>	AssertionFailedError afe =
686	>	new AssertionFailedError("Unexpected InterruptedException");
687	>	afe.initCause(ie);
688	>	throw afe;
689	>	}
690	>	}
691	>
692	>	/**
693	>	* Spin-waits up to the specified number of milliseconds for the given
694	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
695	>	*/
696	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
697	>	long startTime = System.nanoTime();
698	>	for (;;) {
699	>	Thread.State s = thread.getState();
700	>	if (s == Thread.State.BLOCKED ||
701	>	s == Thread.State.WAITING ||
702	>	s == Thread.State.TIMED_WAITING)
703	>	return;
704	>	else if (s == Thread.State.TERMINATED)
705	>	fail("Unexpected thread termination");
706	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
707	>	threadAssertTrue(thread.isAlive());
708	>	return;
709	>	}
710	>	Thread.yield();
711		}
712		}
713
714		/**
715	<	* Returns a new started Thread running the given runnable.
715	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
716	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
717	>	*/
718	>	void waitForThreadToEnterWaitState(Thread thread) {
719	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
720	>	}
721	>
722	>	/**
723	>	* Returns the number of milliseconds since time given by
724	>	* startNanoTime, which must have been previously returned from a
725	>	* call to {@link System.nanoTime()}.
726	>	*/
727	>	long millisElapsedSince(long startNanoTime) {
728	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
729	>	}
730	>
731	>	/**
732	>	* Returns a new started daemon Thread running the given runnable.
733		*/
734		Thread newStartedThread(Runnable runnable) {
735		Thread t = new Thread(runnable);
736	+	t.setDaemon(true);
737		t.start();
738		return t;
739		}
740
741	+	/**
742	+	* Waits for the specified time (in milliseconds) for the thread
743	+	* to terminate (using {@link Thread#join(long)}), else interrupts
744	+	* the thread (in the hope that it may terminate later) and fails.
745	+	*/
746	+	void awaitTermination(Thread t, long timeoutMillis) {
747	+	try {
748	+	t.join(timeoutMillis);
749	+	} catch (InterruptedException ie) {
750	+	threadUnexpectedException(ie);
751	+	} finally {
752	+	if (t.getState() != Thread.State.TERMINATED) {
753	+	t.interrupt();
754	+	fail("Test timed out");
755	+	}
756	+	}
757	+	}
758	+
759	+	/**
760	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
761	+	* terminate (using {@link Thread#join(long)}), else interrupts
762	+	* the thread (in the hope that it may terminate later) and fails.
763	+	*/
764	+	void awaitTermination(Thread t) {
765	+	awaitTermination(t, LONG_DELAY_MS);
766	+	}
767	+
768		// Some convenient Runnable classes
769
770	<	abstract class CheckedRunnable implements Runnable {
771	<	abstract void realRun() throws Throwable;
770	>	public abstract class CheckedRunnable implements Runnable {
771	>	protected abstract void realRun() throws Throwable;
772
773		public final void run() {
774		try {
#	Line 444 | Line 779 | public class JSR166TestCase extends Test
779		}
780		}
781
782	<	abstract class RunnableShouldThrow implements Runnable {
783	<	abstract void realRun() throws Throwable;
782	>	public abstract class RunnableShouldThrow implements Runnable {
783	>	protected abstract void realRun() throws Throwable;
784
785		final Class<?> exceptionClass;
786
#	Line 457 | Line 792 | public class JSR166TestCase extends Test
792		try {
793		realRun();
794		threadShouldThrow(exceptionClass.getSimpleName());
460	–	} catch (InterruptedException success) {
795		} catch (Throwable t) {
796		if (! exceptionClass.isInstance(t))
797		threadUnexpectedException(t);
#	Line 465 | Line 799 | public class JSR166TestCase extends Test
799		}
800		}
801
802	<	abstract class ThreadShouldThrow extends Thread {
803	<	abstract void realRun() throws Throwable;
802	>	public abstract class ThreadShouldThrow extends Thread {
803	>	protected abstract void realRun() throws Throwable;
804
805		final Class<?> exceptionClass;
806
#	Line 478 | Line 812 | public class JSR166TestCase extends Test
812		try {
813		realRun();
814		threadShouldThrow(exceptionClass.getSimpleName());
481	–	} catch (InterruptedException success) {
815		} catch (Throwable t) {
816		if (! exceptionClass.isInstance(t))
817		threadUnexpectedException(t);
#	Line 486 | Line 819 | public class JSR166TestCase extends Test
819		}
820		}
821
822	<	abstract class CheckedInterruptedRunnable implements Runnable {
823	<	abstract void realRun() throws Throwable;
822	>	public abstract class CheckedInterruptedRunnable implements Runnable {
823	>	protected abstract void realRun() throws Throwable;
824
825		public final void run() {
826		try {
827		realRun();
828		threadShouldThrow("InterruptedException");
829		} catch (InterruptedException success) {
830	+	threadAssertFalse(Thread.interrupted());
831		} catch (Throwable t) {
832		threadUnexpectedException(t);
833		}
834		}
835		}
836
837	<	abstract class CheckedCallable<T> implements Callable<T> {
838	<	abstract T realCall() throws Throwable;
837	>	public abstract class CheckedCallable<T> implements Callable<T> {
838	>	protected abstract T realCall() throws Throwable;
839
840		public final T call() {
841		try {
842		return realCall();
843		} catch (Throwable t) {
844		threadUnexpectedException(t);
845	+	return null;
846		}
512	–	return null;
847		}
848		}
849
850	<	abstract class CheckedInterruptedCallable<T> implements Callable<T> {
851	<	abstract T realCall() throws Throwable;
850	>	public abstract class CheckedInterruptedCallable<T>
851	>	implements Callable<T> {
852	>	protected abstract T realCall() throws Throwable;
853
854		public final T call() {
855		try {
#	Line 522 | Line 857 | public class JSR166TestCase extends Test
857		threadShouldThrow("InterruptedException");
858		return result;
859		} catch (InterruptedException success) {
860	+	threadAssertFalse(Thread.interrupted());
861		} catch (Throwable t) {
862		threadUnexpectedException(t);
863		}
#	Line 529 | Line 865 | public class JSR166TestCase extends Test
865		}
866		}
867
868	<	static class NoOpRunnable implements Runnable {
868	>	public static class NoOpRunnable implements Runnable {
869		public void run() {}
870		}
871
872	<	static class NoOpCallable implements Callable {
872	>	public static class NoOpCallable implements Callable {
873		public Object call() { return Boolean.TRUE; }
874		}
875
876	<	static final String TEST_STRING = "a test string";
876	>	public static final String TEST_STRING = "a test string";
877
878	<	static class StringTask implements Callable<String> {
878	>	public static class StringTask implements Callable<String> {
879		public String call() { return TEST_STRING; }
880		}
881
882	<	static class NPETask implements Callable<String> {
882	>	public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
883	>	return new CheckedCallable<String>() {
884	>	protected String realCall() {
885	>	try {
886	>	latch.await();
887	>	} catch (InterruptedException quittingTime) {}
888	>	return TEST_STRING;
889	>	}};
890	>	}
891	>
892	>	public Runnable awaiter(final CountDownLatch latch) {
893	>	return new CheckedRunnable() {
894	>	public void realRun() throws InterruptedException {
895	>	await(latch);
896	>	}};
897	>	}
898	>
899	>	public void await(CountDownLatch latch) {
900	>	try {
901	>	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
902	>	} catch (Throwable t) {
903	>	threadUnexpectedException(t);
904	>	}
905	>	}
906	>
907	>	//     /**
908	>	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
909	>	//      */
910	>	//     public void await(AtomicBoolean flag) {
911	>	//         await(flag, LONG_DELAY_MS);
912	>	//     }
913	>
914	>	//     /**
915	>	//      * Spin-waits up to the specified timeout until flag becomes true.
916	>	//      */
917	>	//     public void await(AtomicBoolean flag, long timeoutMillis) {
918	>	//         long startTime = System.nanoTime();
919	>	//         while (!flag.get()) {
920	>	//             if (millisElapsedSince(startTime) > timeoutMillis)
921	>	//                 throw new AssertionFailedError("timed out");
922	>	//             Thread.yield();
923	>	//         }
924	>	//     }
925	>
926	>	public static class NPETask implements Callable<String> {
927		public String call() { throw new NullPointerException(); }
928		}
929
930	<	static class CallableOne implements Callable<Integer> {
930	>	public static class CallableOne implements Callable<Integer> {
931		public Integer call() { return one; }
932		}
933
934	<	class ShortRunnable extends CheckedRunnable {
935	<	void realRun() throws Throwable {
936	<	Thread.sleep(SHORT_DELAY_MS);
934	>	public class ShortRunnable extends CheckedRunnable {
935	>	protected void realRun() throws Throwable {
936	>	delay(SHORT_DELAY_MS);
937		}
938		}
939
940	<	class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
941	<	void realRun() throws InterruptedException {
942	<	Thread.sleep(SHORT_DELAY_MS);
940	>	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
941	>	protected void realRun() throws InterruptedException {
942	>	delay(SHORT_DELAY_MS);
943		}
944		}
945
946	<	class SmallRunnable extends CheckedRunnable {
947	<	void realRun() throws Throwable {
948	<	Thread.sleep(SMALL_DELAY_MS);
946	>	public class SmallRunnable extends CheckedRunnable {
947	>	protected void realRun() throws Throwable {
948	>	delay(SMALL_DELAY_MS);
949		}
950		}
951
952	<	class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
953	<	void realRun() {
952	>	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
953	>	protected void realRun() {
954		try {
955	<	Thread.sleep(SMALL_DELAY_MS);
956	<	}
577	<	catch (InterruptedException ok) {
578	<	}
955	>	delay(SMALL_DELAY_MS);
956	>	} catch (InterruptedException ok) {}
957		}
958		}
959
960	<	class SmallCallable extends CheckedCallable {
961	<	Object realCall() throws Throwable {
962	<	Thread.sleep(SMALL_DELAY_MS);
960	>	public class SmallCallable extends CheckedCallable {
961	>	protected Object realCall() throws InterruptedException {
962	>	delay(SMALL_DELAY_MS);
963		return Boolean.TRUE;
964		}
965		}
966
967	<	class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
968	<	void realRun() throws InterruptedException {
969	<	Thread.sleep(SMALL_DELAY_MS);
967	>	public class MediumRunnable extends CheckedRunnable {
968	>	protected void realRun() throws Throwable {
969	>	delay(MEDIUM_DELAY_MS);
970		}
971		}
972
973	<	class MediumRunnable extends CheckedRunnable {
974	<	void realRun() throws Throwable {
975	<	Thread.sleep(MEDIUM_DELAY_MS);
973	>	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
974	>	protected void realRun() throws InterruptedException {
975	>	delay(MEDIUM_DELAY_MS);
976		}
977		}
978
979	<	class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
980	<	void realRun() throws InterruptedException {
981	<	Thread.sleep(MEDIUM_DELAY_MS);
982	<	}
979	>	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
980	>	return new CheckedRunnable() {
981	>	protected void realRun() {
982	>	try {
983	>	delay(timeoutMillis);
984	>	} catch (InterruptedException ok) {}
985	>	}};
986		}
987
988	<	class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
989	<	void realRun() {
988	>	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
989	>	protected void realRun() {
990		try {
991	<	Thread.sleep(MEDIUM_DELAY_MS);
992	<	}
612	<	catch (InterruptedException ok) {
613	<	}
991	>	delay(MEDIUM_DELAY_MS);
992	>	} catch (InterruptedException ok) {}
993		}
994		}
995
996	<	class LongPossiblyInterruptedRunnable extends CheckedRunnable {
997	<	void realRun() {
996	>	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
997	>	protected void realRun() {
998		try {
999	<	Thread.sleep(LONG_DELAY_MS);
1000	<	}
622	<	catch (InterruptedException ok) {
623	<	}
999	>	delay(LONG_DELAY_MS);
1000	>	} catch (InterruptedException ok) {}
1001		}
1002		}
1003
1004		/**
1005		* For use as ThreadFactory in constructors
1006		*/
1007	<	static class SimpleThreadFactory implements ThreadFactory {
1007	>	public static class SimpleThreadFactory implements ThreadFactory {
1008		public Thread newThread(Runnable r) {
1009		return new Thread(r);
1010		}
1011		}
1012
1013	<	static class TrackedShortRunnable implements Runnable {
1014	<	volatile boolean done = false;
1013	>	public interface TrackedRunnable extends Runnable {
1014	>	boolean isDone();
1015	>	}
1016	>
1017	>	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1018	>	return new TrackedRunnable() {
1019	>	private volatile boolean done = false;
1020	>	public boolean isDone() { return done; }
1021	>	public void run() {
1022	>	try {
1023	>	delay(timeoutMillis);
1024	>	done = true;
1025	>	} catch (InterruptedException ok) {}
1026	>	}
1027	>	};
1028	>	}
1029	>
1030	>	public static class TrackedShortRunnable implements Runnable {
1031	>	public volatile boolean done = false;
1032		public void run() {
1033		try {
1034	<	Thread.sleep(SMALL_DELAY_MS);
1034	>	delay(SHORT_DELAY_MS);
1035		done = true;
1036	<	} catch (InterruptedException ok) {
643	<	}
1036	>	} catch (InterruptedException ok) {}
1037		}
1038		}
1039
1040	<	static class TrackedMediumRunnable implements Runnable {
1041	<	volatile boolean done = false;
1040	>	public static class TrackedSmallRunnable implements Runnable {
1041	>	public volatile boolean done = false;
1042		public void run() {
1043		try {
1044	<	Thread.sleep(MEDIUM_DELAY_MS);
1044	>	delay(SMALL_DELAY_MS);
1045		done = true;
1046	<	} catch (InterruptedException ok) {
654	<	}
1046	>	} catch (InterruptedException ok) {}
1047		}
1048		}
1049
1050	<	static class TrackedLongRunnable implements Runnable {
1051	<	volatile boolean done = false;
1050	>	public static class TrackedMediumRunnable implements Runnable {
1051	>	public volatile boolean done = false;
1052		public void run() {
1053		try {
1054	<	Thread.sleep(LONG_DELAY_MS);
1054	>	delay(MEDIUM_DELAY_MS);
1055		done = true;
1056	<	} catch (InterruptedException ok) {
1057	<	}
1056	>	} catch (InterruptedException ok) {}
1057	>	}
1058	>	}
1059	>
1060	>	public static class TrackedLongRunnable implements Runnable {
1061	>	public volatile boolean done = false;
1062	>	public void run() {
1063	>	try {
1064	>	delay(LONG_DELAY_MS);
1065	>	done = true;
1066	>	} catch (InterruptedException ok) {}
1067		}
1068		}
1069
1070	<	static class TrackedNoOpRunnable implements Runnable {
1071	<	volatile boolean done = false;
1070	>	public static class TrackedNoOpRunnable implements Runnable {
1071	>	public volatile boolean done = false;
1072		public void run() {
1073		done = true;
1074		}
1075		}
1076
1077	<	static class TrackedCallable implements Callable {
1078	<	volatile boolean done = false;
1077	>	public static class TrackedCallable implements Callable {
1078	>	public volatile boolean done = false;
1079		public Object call() {
1080		try {
1081	<	Thread.sleep(SMALL_DELAY_MS);
1081	>	delay(SMALL_DELAY_MS);
1082		done = true;
1083	<	} catch (InterruptedException ok) {
683	<	}
1083	>	} catch (InterruptedException ok) {}
1084		return Boolean.TRUE;
1085		}
1086		}
1087
1088	+	/**
1089	+	* Analog of CheckedRunnable for RecursiveAction
1090	+	*/
1091	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1092	+	protected abstract void realCompute() throws Throwable;
1093	+
1094	+	public final void compute() {
1095	+	try {
1096	+	realCompute();
1097	+	} catch (Throwable t) {
1098	+	threadUnexpectedException(t);
1099	+	}
1100	+	}
1101	+	}
1102	+
1103	+	/**
1104	+	* Analog of CheckedCallable for RecursiveTask
1105	+	*/
1106	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1107	+	protected abstract T realCompute() throws Throwable;
1108	+
1109	+	public final T compute() {
1110	+	try {
1111	+	return realCompute();
1112	+	} catch (Throwable t) {
1113	+	threadUnexpectedException(t);
1114	+	return null;
1115	+	}
1116	+	}
1117	+	}
1118
1119		/**
1120		* For use as RejectedExecutionHandler in constructors
1121		*/
1122	<	static class NoOpREHandler implements RejectedExecutionHandler {
1122	>	public static class NoOpREHandler implements RejectedExecutionHandler {
1123		public void rejectedExecution(Runnable r,
1124		ThreadPoolExecutor executor) {}
1125		}
1126
1127	+	/**
1128	+	* A CyclicBarrier that uses timed await and fails with
1129	+	* AssertionFailedErrors instead of throwing checked exceptions.
1130	+	*/
1131	+	public class CheckedBarrier extends CyclicBarrier {
1132	+	public CheckedBarrier(int parties) { super(parties); }
1133	+
1134	+	public int await() {
1135	+	try {
1136	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1137	+	} catch (TimeoutException e) {
1138	+	throw new AssertionFailedError("timed out");
1139	+	} catch (Exception e) {
1140	+	AssertionFailedError afe =
1141	+	new AssertionFailedError("Unexpected exception: " + e);
1142	+	afe.initCause(e);
1143	+	throw afe;
1144	+	}
1145	+	}
1146	+	}
1147	+
1148	+	void checkEmpty(BlockingQueue q) {
1149	+	try {
1150	+	assertTrue(q.isEmpty());
1151	+	assertEquals(0, q.size());
1152	+	assertNull(q.peek());
1153	+	assertNull(q.poll());
1154	+	assertNull(q.poll(0, MILLISECONDS));
1155	+	assertEquals(q.toString(), "[]");
1156	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1157	+	assertFalse(q.iterator().hasNext());
1158	+	try {
1159	+	q.element();
1160	+	shouldThrow();
1161	+	} catch (NoSuchElementException success) {}
1162	+	try {
1163	+	q.iterator().next();
1164	+	shouldThrow();
1165	+	} catch (NoSuchElementException success) {}
1166	+	try {
1167	+	q.remove();
1168	+	shouldThrow();
1169	+	} catch (NoSuchElementException success) {}
1170	+	} catch (InterruptedException ie) {
1171	+	threadUnexpectedException(ie);
1172	+	}
1173	+	}
1174	+
1175	+	@SuppressWarnings("unchecked")
1176	+	<T> T serialClone(T o) {
1177	+	try {
1178	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1179	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1180	+	oos.writeObject(o);
1181	+	oos.flush();
1182	+	oos.close();
1183	+	ObjectInputStream ois = new ObjectInputStream
1184	+	(new ByteArrayInputStream(bos.toByteArray()));
1185	+	T clone = (T) ois.readObject();
1186	+	assertSame(o.getClass(), clone.getClass());
1187	+	return clone;
1188	+	} catch (Throwable t) {
1189	+	threadUnexpectedException(t);
1190	+	return null;
1191	+	}
1192	+	}
1193		}

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