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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.42 by jsr166, Sat Nov 21 02:07:26 2009 UTC vs.
Revision 1.81 by jsr166, Sat May 21 06:24:33 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10	<	import java.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]);
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);
#	Line 103 | Line 161 | public class JSR166TestCase extends Test
161		System.exit(0);
162		}
163
164	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
165	+	TestSuite suite = new TestSuite();
166	+	for (Object suiteOrClass : suiteOrClasses) {
167	+	if (suiteOrClass instanceof TestSuite)
168	+	suite.addTest((TestSuite) suiteOrClass);
169	+	else if (suiteOrClass instanceof Class)
170	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
171	+	else
172	+	throw new ClassCastException("not a test suite or class");
173	+	}
174	+	return suite;
175	+	}
176	+
177		/**
178	<	* Collects all JSR166 unit tests as one suite
178	>	* Collects all JSR166 unit tests as one suite.
179		*/
180		public static Test suite() {
181	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
182	<
183	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
184	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
185	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
186	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
187	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
188	<	suite.addTest(new TestSuite(PhaserTest.class));
189	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
190	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
191	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
192	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
193	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
194	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
195	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
196	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
197	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
198	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
199	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
200	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
201	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
202	<	suite.addTest(new TestSuite(AtomicLongTest.class));
203	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
204	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
205	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
206	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
207	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
208	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
209	<	suite.addTest(new TestSuite(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;
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 195 | Line 264 | public class JSR166TestCase extends Test
264		/**
265		* Sets delays as multiples of SHORT_DELAY.
266		*/
267	<	protected  void setDelays() {
267	>	protected void setDelays() {
268		SHORT_DELAY_MS = getShortDelay();
269	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
269	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
270		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
271	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
271	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
272		}
273
274		/**
275	<	* Flag set true if any threadAssert methods fail
275	>	* Returns a timeout in milliseconds to be used in tests that
276	>	* verify that operations block or time out.
277		*/
278	<	volatile boolean threadFailed;
278	>	long timeoutMillis() {
279	>	return SHORT_DELAY_MS / 4;
280	>	}
281	>
282	>	/**
283	>	* Returns a new Date instance representing a time delayMillis
284	>	* milliseconds in the future.
285	>	*/
286	>	Date delayedDate(long delayMillis) {
287	>	return new Date(new Date().getTime() + delayMillis);
288	>	}
289
290		/**
291	<	* Initializes test to indicate that no thread assertions have failed
291	>	* The first exception encountered if any threadAssertXXX method fails.
292		*/
293	+	private final AtomicReference<Throwable> threadFailure
294	+	= new AtomicReference<Throwable>(null);
295	+
296	+	/**
297	+	* Records an exception so that it can be rethrown later in the test
298	+	* harness thread, triggering a test case failure.  Only the first
299	+	* failure is recorded; subsequent calls to this method from within
300	+	* the same test have no effect.
301	+	*/
302	+	public void threadRecordFailure(Throwable t) {
303	+	threadFailure.compareAndSet(null, t);
304	+	}
305	+
306		public void setUp() {
307		setDelays();
215	–	threadFailed = false;
308		}
309
310		/**
311	<	* Triggers test case failure if any thread assertions have failed
312	<	*/
313	<	public void tearDown() {
314	<	assertFalse(threadFailed);
311	>	* Triggers test case failure if any thread assertions have failed,
312	>	* by rethrowing, in the test harness thread, any exception recorded
313	>	* earlier by threadRecordFailure.
314	>	*/
315	>	public void tearDown() throws Exception {
316	>	Throwable t = threadFailure.getAndSet(null);
317	>	if (t != null) {
318	>	if (t instanceof Error)
319	>	throw (Error) t;
320	>	else if (t instanceof RuntimeException)
321	>	throw (RuntimeException) t;
322	>	else if (t instanceof Exception)
323	>	throw (Exception) t;
324	>	else {
325	>	AssertionFailedError afe =
326	>	new AssertionFailedError(t.toString());
327	>	afe.initCause(t);
328	>	throw afe;
329	>	}
330	>	}
331		}
332
333		/**
334	<	* Fail, also setting status to indicate current testcase should fail
334	>	* Just like fail(reason), but additionally recording (using
335	>	* threadRecordFailure) any AssertionFailedError thrown, so that
336	>	* the current testcase will fail.
337		*/
338		public void threadFail(String reason) {
339	<	threadFailed = true;
340	<	fail(reason);
339	>	try {
340	>	fail(reason);
341	>	} catch (AssertionFailedError t) {
342	>	threadRecordFailure(t);
343	>	fail(reason);
344	>	}
345		}
346
347		/**
348	<	* If expression not true, set status to indicate current testcase
349	<	* should fail
348	>	* Just like assertTrue(b), but additionally recording (using
349	>	* threadRecordFailure) any AssertionFailedError thrown, so that
350	>	* the current testcase will fail.
351		*/
352		public void threadAssertTrue(boolean b) {
353	<	if (!b) {
239	<	threadFailed = true;
353	>	try {
354		assertTrue(b);
355	+	} catch (AssertionFailedError t) {
356	+	threadRecordFailure(t);
357	+	throw t;
358		}
359		}
360
361		/**
362	<	* If expression not false, set status to indicate current testcase
363	<	* should fail
362	>	* Just like assertFalse(b), but additionally recording (using
363	>	* threadRecordFailure) any AssertionFailedError thrown, so that
364	>	* the current testcase will fail.
365		*/
366		public void threadAssertFalse(boolean b) {
367	<	if (b) {
250	<	threadFailed = true;
367	>	try {
368		assertFalse(b);
369	+	} catch (AssertionFailedError t) {
370	+	threadRecordFailure(t);
371	+	throw t;
372		}
373		}
374
375		/**
376	<	* If argument not null, set status to indicate current testcase
377	<	* should fail
376	>	* Just like assertNull(x), but additionally recording (using
377	>	* threadRecordFailure) any AssertionFailedError thrown, so that
378	>	* the current testcase will fail.
379		*/
380		public void threadAssertNull(Object x) {
381	<	if (x != null) {
261	<	threadFailed = true;
381	>	try {
382		assertNull(x);
383	+	} catch (AssertionFailedError t) {
384	+	threadRecordFailure(t);
385	+	throw t;
386		}
387		}
388
389		/**
390	<	* If arguments not equal, set status to indicate current testcase
391	<	* should fail
390	>	* Just like assertEquals(x, y), but additionally recording (using
391	>	* threadRecordFailure) any AssertionFailedError thrown, so that
392	>	* the current testcase will fail.
393		*/
394		public void threadAssertEquals(long x, long y) {
395	<	if (x != y) {
272	<	threadFailed = true;
395	>	try {
396		assertEquals(x, y);
397	+	} catch (AssertionFailedError t) {
398	+	threadRecordFailure(t);
399	+	throw t;
400		}
401		}
402
403		/**
404	<	* If arguments not equal, set status to indicate current testcase
405	<	* should fail
404	>	* Just like assertEquals(x, y), but additionally recording (using
405	>	* threadRecordFailure) any AssertionFailedError thrown, so that
406	>	* the current testcase will fail.
407		*/
408		public void threadAssertEquals(Object x, Object y) {
409	<	if (x != y && (x == null || !x.equals(y))) {
283	<	threadFailed = true;
409	>	try {
410		assertEquals(x, y);
411	+	} catch (AssertionFailedError t) {
412	+	threadRecordFailure(t);
413	+	throw t;
414	+	} catch (Throwable t) {
415	+	threadUnexpectedException(t);
416		}
417		}
418
419		/**
420	<	* threadFail with message "should throw exception"
420	>	* Just like assertSame(x, y), but additionally recording (using
421	>	* threadRecordFailure) any AssertionFailedError thrown, so that
422	>	* the current testcase will fail.
423	>	*/
424	>	public void threadAssertSame(Object x, Object y) {
425	>	try {
426	>	assertSame(x, y);
427	>	} catch (AssertionFailedError t) {
428	>	threadRecordFailure(t);
429	>	throw t;
430	>	}
431	>	}
432	>
433	>	/**
434	>	* Calls threadFail with message "should throw exception".
435		*/
436		public void threadShouldThrow() {
437	<	threadFailed = true;
293	<	fail("should throw exception");
437	>	threadFail("should throw exception");
438		}
439
440		/**
441	<	* threadFail with message "should throw" + exceptionName
441	>	* Calls threadFail with message "should throw" + exceptionName.
442		*/
443		public void threadShouldThrow(String exceptionName) {
444	<	threadFailed = true;
301	<	fail("should throw " + exceptionName);
444	>	threadFail("should throw " + exceptionName);
445		}
446
447		/**
448	<	* threadFail with message "Unexpected exception"
448	>	* Records the given exception using {@link #threadRecordFailure},
449	>	* then rethrows the exception, wrapping it in an
450	>	* AssertionFailedError if necessary.
451		*/
452	<	public void threadUnexpectedException() {
453	<	threadFailed = true;
454	<	fail("Unexpected exception");
452	>	public void threadUnexpectedException(Throwable t) {
453	>	threadRecordFailure(t);
454	>	t.printStackTrace();
455	>	if (t instanceof RuntimeException)
456	>	throw (RuntimeException) t;
457	>	else if (t instanceof Error)
458	>	throw (Error) t;
459	>	else {
460	>	AssertionFailedError afe =
461	>	new AssertionFailedError("unexpected exception: " + t);
462	>	t.initCause(t);
463	>	throw afe;
464	>	}
465		}
466
467		/**
468	<	* threadFail with message "Unexpected exception", with argument
468	>	* Delays, via Thread.sleep, for the given millisecond delay, but
469	>	* if the sleep is shorter than specified, may re-sleep or yield
470	>	* until time elapses.
471		*/
472	<	public void threadUnexpectedException(Throwable ex) {
473	<	threadFailed = true;
474	<	ex.printStackTrace();
475	<	fail("Unexpected exception: " + ex);
472	>	static void delay(long millis) throws InterruptedException {
473	>	long startTime = System.nanoTime();
474	>	long ns = millis * 1000 * 1000;
475	>	for (;;) {
476	>	if (millis > 0L)
477	>	Thread.sleep(millis);
478	>	else // too short to sleep
479	>	Thread.yield();
480	>	long d = ns - (System.nanoTime() - startTime);
481	>	if (d > 0L)
482	>	millis = d / (1000 * 1000);
483	>	else
484	>	break;
485	>	}
486		}
487
488		/**
489	<	* Wait out termination of a thread pool or fail doing so
489	>	* Waits out termination of a thread pool or fails doing so.
490		*/
491	<	public void joinPool(ExecutorService exec) {
491	>	void joinPool(ExecutorService exec) {
492		try {
493		exec.shutdown();
494	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	>	assertTrue("ExecutorService did not terminate in a timely manner",
495	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
496		} catch (SecurityException ok) {
497		// Allowed in case test doesn't have privs
498		} catch (InterruptedException ie) {
499	<	fail("Unexpected exception");
499	>	fail("Unexpected InterruptedException");
500		}
501		}
502
335	–
503		/**
504	<	* fail with message "should throw exception"
504	>	* Checks that thread does not terminate within the default
505	>	* millisecond delay of {@code timeoutMillis()}.
506		*/
507	<	public void shouldThrow() {
508	<	fail("Should throw exception");
507	>	void assertThreadStaysAlive(Thread thread) {
508	>	assertThreadStaysAlive(thread, timeoutMillis());
509		}
510
511		/**
512	<	* fail with message "should throw " + exceptionName
512	>	* Checks that thread does not terminate within the given millisecond delay.
513		*/
514	<	public void shouldThrow(String exceptionName) {
515	<	fail("Should throw " + exceptionName);
514	>	void assertThreadStaysAlive(Thread thread, long millis) {
515	>	try {
516	>	// No need to optimize the failing case via Thread.join.
517	>	delay(millis);
518	>	assertTrue(thread.isAlive());
519	>	} catch (InterruptedException ie) {
520	>	fail("Unexpected InterruptedException");
521	>	}
522		}
523
524		/**
525	<	* fail with message "Unexpected exception"
525	>	* Fails with message "should throw exception".
526		*/
527	<	public void unexpectedException() {
528	<	fail("Unexpected exception");
527	>	public void shouldThrow() {
528	>	fail("Should throw exception");
529		}
530
531		/**
532	<	* fail with message "Unexpected exception", with argument
532	>	* Fails with message "should throw " + exceptionName.
533		*/
534	<	public void unexpectedException(Throwable ex) {
535	<	ex.printStackTrace();
362	<	fail("Unexpected exception: " + ex);
534	>	public void shouldThrow(String exceptionName) {
535	>	fail("Should throw " + exceptionName);
536		}
537
365	–
538		/**
539		* The number of elements to place in collections, arrays, etc.
540		*/
541	<	static final int SIZE = 20;
541	>	public static final int SIZE = 20;
542
543		// Some convenient Integer constants
544
545	<	static final Integer zero = new Integer(0);
546	<	static final Integer one = new Integer(1);
547	<	static final Integer two = new Integer(2);
548	<	static final Integer three  = new Integer(3);
549	<	static final Integer four  = new Integer(4);
550	<	static final Integer five  = new Integer(5);
551	<	static final Integer six = new Integer(6);
552	<	static final Integer seven = new Integer(7);
553	<	static final Integer eight = new Integer(8);
554	<	static final Integer nine = new Integer(9);
555	<	static final Integer m1  = new Integer(-1);
556	<	static final Integer m2  = new Integer(-2);
557	<	static final Integer m3  = new Integer(-3);
558	<	static final Integer m4 = new Integer(-4);
559	<	static final Integer m5 = new Integer(-5);
560	<	static final Integer m6 = new Integer(-6);
561	<	static final Integer m10 = new Integer(-10);
545	>	public static final Integer zero  = new Integer(0);
546	>	public static final Integer one   = new Integer(1);
547	>	public static final Integer two   = new Integer(2);
548	>	public static final Integer three = new Integer(3);
549	>	public static final Integer four  = new Integer(4);
550	>	public static final Integer five  = new Integer(5);
551	>	public static final Integer six   = new Integer(6);
552	>	public static final Integer seven = new Integer(7);
553	>	public static final Integer eight = new Integer(8);
554	>	public static final Integer nine  = new Integer(9);
555	>	public static final Integer m1  = new Integer(-1);
556	>	public static final Integer m2  = new Integer(-2);
557	>	public static final Integer m3  = new Integer(-3);
558	>	public static final Integer m4  = new Integer(-4);
559	>	public static final Integer m5  = new Integer(-5);
560	>	public static final Integer m6  = new Integer(-6);
561	>	public static final Integer m10 = new Integer(-10);
562	>
563	>
564	>	/**
565	>	* Runs Runnable r with a security policy that permits precisely
566	>	* the specified permissions.  If there is no current security
567	>	* manager, the runnable is run twice, both with and without a
568	>	* security manager.  We require that any security manager permit
569	>	* getPolicy/setPolicy.
570	>	*/
571	>	public void runWithPermissions(Runnable r, Permission... permissions) {
572	>	SecurityManager sm = System.getSecurityManager();
573	>	if (sm == null) {
574	>	r.run();
575	>	Policy savedPolicy = Policy.getPolicy();
576	>	try {
577	>	Policy.setPolicy(permissivePolicy());
578	>	System.setSecurityManager(new SecurityManager());
579	>	runWithPermissions(r, permissions);
580	>	} finally {
581	>	System.setSecurityManager(null);
582	>	Policy.setPolicy(savedPolicy);
583	>	}
584	>	} else {
585	>	Policy savedPolicy = Policy.getPolicy();
586	>	AdjustablePolicy policy = new AdjustablePolicy(permissions);
587	>	Policy.setPolicy(policy);
588	>
589	>	try {
590	>	r.run();
591	>	} finally {
592	>	policy.addPermission(new SecurityPermission("setPolicy"));
593	>	Policy.setPolicy(savedPolicy);
594	>	}
595	>	}
596	>	}
597
598	+	/**
599	+	* Runs a runnable without any permissions.
600	+	*/
601	+	public void runWithoutPermissions(Runnable r) {
602	+	runWithPermissions(r);
603	+	}
604
605		/**
606		* A security policy where new permissions can be dynamically added
607		* or all cleared.
608		*/
609	<	static class AdjustablePolicy extends java.security.Policy {
609	>	public static class AdjustablePolicy extends java.security.Policy {
610		Permissions perms = new Permissions();
611	<	AdjustablePolicy() { }
611	>	AdjustablePolicy(Permission... permissions) {
612	>	for (Permission permission : permissions)
613	>	perms.add(permission);
614	>	}
615		void addPermission(Permission perm) { perms.add(perm); }
616		void clearPermissions() { perms = new Permissions(); }
617		public PermissionCollection getPermissions(CodeSource cs) {
#	Line 411 | Line 627 | public class JSR166TestCase extends Test
627		}
628
629		/**
630	<	* Sleep until the timeout has elapsed, or interrupted.
415	<	* Does <em>NOT</em> throw InterruptedException.
630	>	* Returns a policy containing all the permissions we ever need.
631		*/
632	<	void sleepTillInterrupted(long timeoutMillis) {
632	>	public static Policy permissivePolicy() {
633	>	return new AdjustablePolicy
634	>	// Permissions j.u.c. needs directly
635	>	(new RuntimePermission("modifyThread"),
636	>	new RuntimePermission("getClassLoader"),
637	>	new RuntimePermission("setContextClassLoader"),
638	>	// Permissions needed to change permissions!
639	>	new SecurityPermission("getPolicy"),
640	>	new SecurityPermission("setPolicy"),
641	>	new RuntimePermission("setSecurityManager"),
642	>	// Permissions needed by the junit test harness
643	>	new RuntimePermission("accessDeclaredMembers"),
644	>	new PropertyPermission("*", "read"),
645	>	new java.io.FilePermission("<<ALL FILES>>", "read"));
646	>	}
647	>
648	>	/**
649	>	* Sleeps until the given time has elapsed.
650	>	* Throws AssertionFailedError if interrupted.
651	>	*/
652	>	void sleep(long millis) {
653		try {
654	<	Thread.sleep(timeoutMillis);
655	<	} catch (InterruptedException wakeup) {
654	>	delay(millis);
655	>	} catch (InterruptedException ie) {
656	>	AssertionFailedError afe =
657	>	new AssertionFailedError("Unexpected InterruptedException");
658	>	afe.initCause(ie);
659	>	throw afe;
660		}
661		}
662
663		/**
664	<	* Returns a new started Thread running the given runnable.
664	>	* Waits up to the specified number of milliseconds for the given
665	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
666	>	*/
667	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
668	>	long timeoutNanos = timeoutMillis * 1000L * 1000L;
669	>	long t0 = System.nanoTime();
670	>	for (;;) {
671	>	Thread.State s = thread.getState();
672	>	if (s == Thread.State.BLOCKED ||
673	>	s == Thread.State.WAITING ||
674	>	s == Thread.State.TIMED_WAITING)
675	>	return;
676	>	else if (s == Thread.State.TERMINATED)
677	>	fail("Unexpected thread termination");
678	>	else if (System.nanoTime() - t0 > timeoutNanos) {
679	>	threadAssertTrue(thread.isAlive());
680	>	return;
681	>	}
682	>	Thread.yield();
683	>	}
684	>	}
685	>
686	>	/**
687	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
688	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
689	>	*/
690	>	void waitForThreadToEnterWaitState(Thread thread) {
691	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
692	>	}
693	>
694	>	/**
695	>	* Returns the number of milliseconds since time given by
696	>	* startNanoTime, which must have been previously returned from a
697	>	* call to {@link System.nanoTime()}.
698	>	*/
699	>	long millisElapsedSince(long startNanoTime) {
700	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
701	>	}
702	>
703	>	/**
704	>	* Returns a new started daemon Thread running the given runnable.
705		*/
706		Thread newStartedThread(Runnable runnable) {
707		Thread t = new Thread(runnable);
708	+	t.setDaemon(true);
709		t.start();
710		return t;
711		}
712
713	+	/**
714	+	* Waits for the specified time (in milliseconds) for the thread
715	+	* to terminate (using {@link Thread#join(long)}), else interrupts
716	+	* the thread (in the hope that it may terminate later) and fails.
717	+	*/
718	+	void awaitTermination(Thread t, long timeoutMillis) {
719	+	try {
720	+	t.join(timeoutMillis);
721	+	} catch (InterruptedException ie) {
722	+	threadUnexpectedException(ie);
723	+	} finally {
724	+	if (t.isAlive()) {
725	+	t.interrupt();
726	+	fail("Test timed out");
727	+	}
728	+	}
729	+	}
730	+
731	+	/**
732	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
733	+	* terminate (using {@link Thread#join(long)}), else interrupts
734	+	* the thread (in the hope that it may terminate later) and fails.
735	+	*/
736	+	void awaitTermination(Thread t) {
737	+	awaitTermination(t, LONG_DELAY_MS);
738	+	}
739	+
740		// Some convenient Runnable classes
741
742	<	abstract class CheckedRunnable implements Runnable {
743	<	abstract void realRun() throws Throwable;
742	>	public abstract class CheckedRunnable implements Runnable {
743	>	protected abstract void realRun() throws Throwable;
744
745		public final void run() {
746		try {
#	Line 444 | Line 751 | public class JSR166TestCase extends Test
751		}
752		}
753
754	<	abstract class RunnableShouldThrow implements Runnable {
755	<	abstract void realRun() throws Throwable;
754	>	public abstract class RunnableShouldThrow implements Runnable {
755	>	protected abstract void realRun() throws Throwable;
756
757		final Class<?> exceptionClass;
758
#	Line 457 | Line 764 | public class JSR166TestCase extends Test
764		try {
765		realRun();
766		threadShouldThrow(exceptionClass.getSimpleName());
460	–	} catch (InterruptedException success) {
767		} catch (Throwable t) {
768		if (! exceptionClass.isInstance(t))
769		threadUnexpectedException(t);
#	Line 465 | Line 771 | public class JSR166TestCase extends Test
771		}
772		}
773
774	<	abstract class ThreadShouldThrow extends Thread {
775	<	abstract void realRun() throws Throwable;
774	>	public abstract class ThreadShouldThrow extends Thread {
775	>	protected abstract void realRun() throws Throwable;
776
777		final Class<?> exceptionClass;
778
#	Line 478 | Line 784 | public class JSR166TestCase extends Test
784		try {
785		realRun();
786		threadShouldThrow(exceptionClass.getSimpleName());
481	–	} catch (InterruptedException success) {
787		} catch (Throwable t) {
788		if (! exceptionClass.isInstance(t))
789		threadUnexpectedException(t);
#	Line 486 | Line 791 | public class JSR166TestCase extends Test
791		}
792		}
793
794	<	abstract class CheckedInterruptedRunnable implements Runnable {
795	<	abstract void realRun() throws Throwable;
794	>	public abstract class CheckedInterruptedRunnable implements Runnable {
795	>	protected abstract void realRun() throws Throwable;
796
797		public final void run() {
798		try {
799		realRun();
800		threadShouldThrow("InterruptedException");
801		} catch (InterruptedException success) {
802	+	threadAssertFalse(Thread.interrupted());
803		} catch (Throwable t) {
804		threadUnexpectedException(t);
805		}
806		}
807		}
808
809	<	abstract class CheckedCallable<T> implements Callable<T> {
810	<	abstract T realCall() throws Throwable;
809	>	public abstract class CheckedCallable<T> implements Callable<T> {
810	>	protected abstract T realCall() throws Throwable;
811
812		public final T call() {
813		try {
814		return realCall();
815		} catch (Throwable t) {
816		threadUnexpectedException(t);
817	+	return null;
818		}
512	–	return null;
819		}
820		}
821
822	<	abstract class CheckedInterruptedCallable<T> implements Callable<T> {
823	<	abstract T realCall() throws Throwable;
822	>	public abstract class CheckedInterruptedCallable<T>
823	>	implements Callable<T> {
824	>	protected abstract T realCall() throws Throwable;
825
826		public final T call() {
827		try {
#	Line 522 | Line 829 | public class JSR166TestCase extends Test
829		threadShouldThrow("InterruptedException");
830		return result;
831		} catch (InterruptedException success) {
832	+	threadAssertFalse(Thread.interrupted());
833		} catch (Throwable t) {
834		threadUnexpectedException(t);
835		}
#	Line 529 | Line 837 | public class JSR166TestCase extends Test
837		}
838		}
839
840	<	static class NoOpRunnable implements Runnable {
840	>	public static class NoOpRunnable implements Runnable {
841		public void run() {}
842		}
843
844	<	static class NoOpCallable implements Callable {
844	>	public static class NoOpCallable implements Callable {
845		public Object call() { return Boolean.TRUE; }
846		}
847
848	<	static final String TEST_STRING = "a test string";
848	>	public static final String TEST_STRING = "a test string";
849
850	<	static class StringTask implements Callable<String> {
850	>	public static class StringTask implements Callable<String> {
851		public String call() { return TEST_STRING; }
852		}
853
854	<	static class NPETask implements Callable<String> {
854	>	public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
855	>	return new CheckedCallable<String>() {
856	>	protected String realCall() {
857	>	try {
858	>	latch.await();
859	>	} catch (InterruptedException quittingTime) {}
860	>	return TEST_STRING;
861	>	}};
862	>	}
863	>
864	>	public Runnable awaiter(final CountDownLatch latch) {
865	>	return new CheckedRunnable() {
866	>	public void realRun() throws InterruptedException {
867	>	await(latch);
868	>	}};
869	>	}
870	>
871	>	public void await(CountDownLatch latch) {
872	>	try {
873	>	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
874	>	} catch (Throwable t) {
875	>	threadUnexpectedException(t);
876	>	}
877	>	}
878	>
879	>	//     /**
880	>	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
881	>	//      */
882	>	//     public void await(AtomicBoolean flag) {
883	>	//         await(flag, LONG_DELAY_MS);
884	>	//     }
885	>
886	>	//     /**
887	>	//      * Spin-waits up to the specified timeout until flag becomes true.
888	>	//      */
889	>	//     public void await(AtomicBoolean flag, long timeoutMillis) {
890	>	//         long startTime = System.nanoTime();
891	>	//         while (!flag.get()) {
892	>	//             if (millisElapsedSince(startTime) > timeoutMillis)
893	>	//                 throw new AssertionFailedError("timed out");
894	>	//             Thread.yield();
895	>	//         }
896	>	//     }
897	>
898	>	public static class NPETask implements Callable<String> {
899		public String call() { throw new NullPointerException(); }
900		}
901
902	<	static class CallableOne implements Callable<Integer> {
902	>	public static class CallableOne implements Callable<Integer> {
903		public Integer call() { return one; }
904		}
905
906	<	class ShortRunnable extends CheckedRunnable {
907	<	void realRun() throws Throwable {
908	<	Thread.sleep(SHORT_DELAY_MS);
906	>	public class ShortRunnable extends CheckedRunnable {
907	>	protected void realRun() throws Throwable {
908	>	delay(SHORT_DELAY_MS);
909		}
910		}
911
912	<	class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
913	<	void realRun() throws InterruptedException {
914	<	Thread.sleep(SHORT_DELAY_MS);
912	>	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
913	>	protected void realRun() throws InterruptedException {
914	>	delay(SHORT_DELAY_MS);
915		}
916		}
917
918	<	class SmallRunnable extends CheckedRunnable {
919	<	void realRun() throws Throwable {
920	<	Thread.sleep(SMALL_DELAY_MS);
918	>	public class SmallRunnable extends CheckedRunnable {
919	>	protected void realRun() throws Throwable {
920	>	delay(SMALL_DELAY_MS);
921		}
922		}
923
924	<	class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
925	<	void realRun() {
924	>	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
925	>	protected void realRun() {
926		try {
927	<	Thread.sleep(SMALL_DELAY_MS);
928	<	}
577	<	catch (InterruptedException ok) {
578	<	}
927	>	delay(SMALL_DELAY_MS);
928	>	} catch (InterruptedException ok) {}
929		}
930		}
931
932	<	class SmallCallable extends CheckedCallable {
933	<	Object realCall() throws Throwable {
934	<	Thread.sleep(SMALL_DELAY_MS);
932	>	public class SmallCallable extends CheckedCallable {
933	>	protected Object realCall() throws InterruptedException {
934	>	delay(SMALL_DELAY_MS);
935		return Boolean.TRUE;
936		}
937		}
938
939	<	class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
940	<	void realRun() throws InterruptedException {
941	<	Thread.sleep(SMALL_DELAY_MS);
939	>	public class MediumRunnable extends CheckedRunnable {
940	>	protected void realRun() throws Throwable {
941	>	delay(MEDIUM_DELAY_MS);
942		}
943		}
944
945	<	class MediumRunnable extends CheckedRunnable {
946	<	void realRun() throws Throwable {
947	<	Thread.sleep(MEDIUM_DELAY_MS);
945	>	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
946	>	protected void realRun() throws InterruptedException {
947	>	delay(MEDIUM_DELAY_MS);
948		}
949		}
950
951	<	class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
952	<	void realRun() throws InterruptedException {
953	<	Thread.sleep(MEDIUM_DELAY_MS);
954	<	}
951	>	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
952	>	return new CheckedRunnable() {
953	>	protected void realRun() {
954	>	try {
955	>	delay(timeoutMillis);
956	>	} catch (InterruptedException ok) {}
957	>	}};
958		}
959
960	<	class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
961	<	void realRun() {
960	>	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
961	>	protected void realRun() {
962		try {
963	<	Thread.sleep(MEDIUM_DELAY_MS);
964	<	}
612	<	catch (InterruptedException ok) {
613	<	}
963	>	delay(MEDIUM_DELAY_MS);
964	>	} catch (InterruptedException ok) {}
965		}
966		}
967
968	<	class LongPossiblyInterruptedRunnable extends CheckedRunnable {
969	<	void realRun() {
968	>	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
969	>	protected void realRun() {
970		try {
971	<	Thread.sleep(LONG_DELAY_MS);
972	<	}
622	<	catch (InterruptedException ok) {
623	<	}
971	>	delay(LONG_DELAY_MS);
972	>	} catch (InterruptedException ok) {}
973		}
974		}
975
976		/**
977		* For use as ThreadFactory in constructors
978		*/
979	<	static class SimpleThreadFactory implements ThreadFactory {
979	>	public static class SimpleThreadFactory implements ThreadFactory {
980		public Thread newThread(Runnable r) {
981		return new Thread(r);
982		}
983		}
984
985	<	static class TrackedShortRunnable implements Runnable {
986	<	volatile boolean done = false;
985	>	public interface TrackedRunnable extends Runnable {
986	>	boolean isDone();
987	>	}
988	>
989	>	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
990	>	return new TrackedRunnable() {
991	>	private volatile boolean done = false;
992	>	public boolean isDone() { return done; }
993	>	public void run() {
994	>	try {
995	>	delay(timeoutMillis);
996	>	done = true;
997	>	} catch (InterruptedException ok) {}
998	>	}
999	>	};
1000	>	}
1001	>
1002	>	public static class TrackedShortRunnable implements Runnable {
1003	>	public volatile boolean done = false;
1004		public void run() {
1005		try {
1006	<	Thread.sleep(SMALL_DELAY_MS);
1006	>	delay(SHORT_DELAY_MS);
1007		done = true;
1008	<	} catch (InterruptedException ok) {
643	<	}
1008	>	} catch (InterruptedException ok) {}
1009		}
1010		}
1011
1012	<	static class TrackedMediumRunnable implements Runnable {
1013	<	volatile boolean done = false;
1012	>	public static class TrackedSmallRunnable implements Runnable {
1013	>	public volatile boolean done = false;
1014		public void run() {
1015		try {
1016	<	Thread.sleep(MEDIUM_DELAY_MS);
1016	>	delay(SMALL_DELAY_MS);
1017		done = true;
1018	<	} catch (InterruptedException ok) {
654	<	}
1018	>	} catch (InterruptedException ok) {}
1019		}
1020		}
1021
1022	<	static class TrackedLongRunnable implements Runnable {
1023	<	volatile boolean done = false;
1022	>	public static class TrackedMediumRunnable implements Runnable {
1023	>	public volatile boolean done = false;
1024		public void run() {
1025		try {
1026	<	Thread.sleep(LONG_DELAY_MS);
1026	>	delay(MEDIUM_DELAY_MS);
1027		done = true;
1028	<	} catch (InterruptedException ok) {
665	<	}
1028	>	} catch (InterruptedException ok) {}
1029		}
1030		}
1031
1032	<	static class TrackedNoOpRunnable implements Runnable {
1033	<	volatile boolean done = false;
1032	>	public static class TrackedLongRunnable implements Runnable {
1033	>	public volatile boolean done = false;
1034	>	public void run() {
1035	>	try {
1036	>	delay(LONG_DELAY_MS);
1037	>	done = true;
1038	>	} catch (InterruptedException ok) {}
1039	>	}
1040	>	}
1041	>
1042	>	public static class TrackedNoOpRunnable implements Runnable {
1043	>	public volatile boolean done = false;
1044		public void run() {
1045		done = true;
1046		}
1047		}
1048
1049	<	static class TrackedCallable implements Callable {
1050	<	volatile boolean done = false;
1049	>	public static class TrackedCallable implements Callable {
1050	>	public volatile boolean done = false;
1051		public Object call() {
1052		try {
1053	<	Thread.sleep(SMALL_DELAY_MS);
1053	>	delay(SMALL_DELAY_MS);
1054		done = true;
1055	<	} catch (InterruptedException ok) {
683	<	}
1055	>	} catch (InterruptedException ok) {}
1056		return Boolean.TRUE;
1057		}
1058		}
1059
1060	+	/**
1061	+	* Analog of CheckedRunnable for RecursiveAction
1062	+	*/
1063	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1064	+	protected abstract void realCompute() throws Throwable;
1065	+
1066	+	public final void compute() {
1067	+	try {
1068	+	realCompute();
1069	+	} catch (Throwable t) {
1070	+	threadUnexpectedException(t);
1071	+	}
1072	+	}
1073	+	}
1074	+
1075	+	/**
1076	+	* Analog of CheckedCallable for RecursiveTask
1077	+	*/
1078	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1079	+	protected abstract T realCompute() throws Throwable;
1080	+
1081	+	public final T compute() {
1082	+	try {
1083	+	return realCompute();
1084	+	} catch (Throwable t) {
1085	+	threadUnexpectedException(t);
1086	+	return null;
1087	+	}
1088	+	}
1089	+	}
1090
1091		/**
1092		* For use as RejectedExecutionHandler in constructors
1093		*/
1094	<	static class NoOpREHandler implements RejectedExecutionHandler {
1094	>	public static class NoOpREHandler implements RejectedExecutionHandler {
1095		public void rejectedExecution(Runnable r,
1096		ThreadPoolExecutor executor) {}
1097		}
1098
1099	+	/**
1100	+	* A CyclicBarrier that fails with AssertionFailedErrors instead
1101	+	* of throwing checked exceptions.
1102	+	*/
1103	+	public class CheckedBarrier extends CyclicBarrier {
1104	+	public CheckedBarrier(int parties) { super(parties); }
1105	+
1106	+	public int await() {
1107	+	try {
1108	+	return super.await();
1109	+	} catch (Exception e) {
1110	+	AssertionFailedError afe =
1111	+	new AssertionFailedError("Unexpected exception: " + e);
1112	+	afe.initCause(e);
1113	+	throw afe;
1114	+	}
1115	+	}
1116	+	}
1117	+
1118	+	void checkEmpty(BlockingQueue q) {
1119	+	try {
1120	+	assertTrue(q.isEmpty());
1121	+	assertEquals(0, q.size());
1122	+	assertNull(q.peek());
1123	+	assertNull(q.poll());
1124	+	assertNull(q.poll(0, MILLISECONDS));
1125	+	assertEquals(q.toString(), "[]");
1126	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1127	+	assertFalse(q.iterator().hasNext());
1128	+	try {
1129	+	q.element();
1130	+	shouldThrow();
1131	+	} catch (NoSuchElementException success) {}
1132	+	try {
1133	+	q.iterator().next();
1134	+	shouldThrow();
1135	+	} catch (NoSuchElementException success) {}
1136	+	try {
1137	+	q.remove();
1138	+	shouldThrow();
1139	+	} catch (NoSuchElementException success) {}
1140	+	} catch (InterruptedException ie) {
1141	+	threadUnexpectedException(ie);
1142	+	}
1143	+	}
1144	+
1145	+	@SuppressWarnings("unchecked")
1146	+	<T> T serialClone(T o) {
1147	+	try {
1148	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1149	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1150	+	oos.writeObject(o);
1151	+	oos.flush();
1152	+	oos.close();
1153	+	ByteArrayInputStream bin =
1154	+	new ByteArrayInputStream(bos.toByteArray());
1155	+	ObjectInputStream ois = new ObjectInputStream(bin);
1156	+	return (T) ois.readObject();
1157	+	} catch (Throwable t) {
1158	+	threadUnexpectedException(t);
1159	+	return null;
1160	+	}
1161	+	}
1162		}

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