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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.51 by jsr166, Wed Sep 1 06:41:55 2010 UTC vs.
Revision 1.85 by jsr166, Sun May 29 14:18:52 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 90 | Line 105 | public class JSR166TestCase extends Test
105		private static final boolean useSecurityManager =
106		Boolean.getBoolean("jsr166.useSecurityManager");
107
108	+	protected static final boolean expensiveTests =
109	+	Boolean.getBoolean("jsr166.expensiveTests");
110	+
111	+	/**
112	+	* If true, report on stdout all "slow" tests, that is, ones that
113	+	* take more than profileThreshold milliseconds to execute.
114	+	*/
115	+	private static final boolean profileTests =
116	+	Boolean.getBoolean("jsr166.profileTests");
117	+
118	+	/**
119	+	* The number of milliseconds that tests are permitted for
120	+	* execution without being reported, when profileTests is set.
121	+	*/
122	+	private static final long profileThreshold =
123	+	Long.getLong("jsr166.profileThreshold", 100);
124	+
125	+	protected void runTest() throws Throwable {
126	+	if (profileTests)
127	+	runTestProfiled();
128	+	else
129	+	super.runTest();
130	+	}
131	+
132	+	protected void runTestProfiled() throws Throwable {
133	+	long t0 = System.nanoTime();
134	+	try {
135	+	super.runTest();
136	+	} finally {
137	+	long elapsedMillis =
138	+	(System.nanoTime() - t0) / (1000L * 1000L);
139	+	if (elapsedMillis >= profileThreshold)
140	+	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
141	+	}
142	+	}
143	+
144		/**
145		* Runs all JSR166 unit tests using junit.textui.TestRunner
146		*/
#	Line 99 | Line 150 | public class JSR166TestCase extends Test
150		Policy.setPolicy(permissivePolicy());
151		System.setSecurityManager(new SecurityManager());
152		}
153	<	int iters = 1;
154	<	if (args.length > 0)
104	<	iters = Integer.parseInt(args[0]);
153	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
154	>
155		Test s = suite();
156		for (int i = 0; i < iters; ++i) {
157		junit.textui.TestRunner.run(s);
#	Line 111 | Line 161 | public class JSR166TestCase extends Test
161		System.exit(0);
162		}
163
164	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
165	+	TestSuite suite = new TestSuite();
166	+	for (Object suiteOrClass : suiteOrClasses) {
167	+	if (suiteOrClass instanceof TestSuite)
168	+	suite.addTest((TestSuite) suiteOrClass);
169	+	else if (suiteOrClass instanceof Class)
170	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
171	+	else
172	+	throw new ClassCastException("not a test suite or class");
173	+	}
174	+	return suite;
175	+	}
176	+
177		/**
178	<	* Collects all JSR166 unit tests as one suite
178	>	* Collects all JSR166 unit tests as one suite.
179		*/
180		public static Test suite() {
181	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
182	<
183	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
184	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
185	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
186	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
187	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
188	<	suite.addTest(new TestSuite(PhaserTest.class));
189	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
190	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
191	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
192	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
193	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
194	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
195	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
196	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
197	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
198	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
199	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
200	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
201	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
202	<	suite.addTest(new TestSuite(AtomicLongTest.class));
203	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
204	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
205	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
206	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
207	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
208	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
209	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
210	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
211	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
212	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
213	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
214	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
215	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
216	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
217	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
218	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
219	<	suite.addTest(new TestSuite(DelayQueueTest.class));
220	<	suite.addTest(new TestSuite(EntryTest.class));
221	<	suite.addTest(new TestSuite(ExchangerTest.class));
222	<	suite.addTest(new TestSuite(ExecutorsTest.class));
223	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
224	<	suite.addTest(new TestSuite(FutureTaskTest.class));
225	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
226	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
227	<	suite.addTest(new TestSuite(LinkedListTest.class));
228	<	suite.addTest(new TestSuite(LockSupportTest.class));
229	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
230	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
231	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
232	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
233	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
234	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
235	<	suite.addTest(new TestSuite(SemaphoreTest.class));
236	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
237	<	suite.addTest(new TestSuite(SystemTest.class));
238	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
239	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
240	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
241	<	suite.addTest(new TestSuite(ThreadTest.class));
242	<	suite.addTest(new TestSuite(TimeUnitTest.class));
243	<	suite.addTest(new TestSuite(TreeMapTest.class));
244	<	suite.addTest(new TestSuite(TreeSetTest.class));
245	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
183	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
184	<
185	<	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 200 | Line 260 | public class JSR166TestCase extends Test
260		return 50;
261		}
262
203	–
263		/**
264		* Sets delays as multiples of SHORT_DELAY.
265		*/
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	>	* Returns a timeout in milliseconds to be used in tests that
275	>	* verify that operations block or time out.
276	>	*/
277	>	long timeoutMillis() {
278	>	return SHORT_DELAY_MS / 4;
279		}
280
281		/**
282	<	* Flag set true if any threadAssert methods fail
282	>	* Returns a new Date instance representing a time delayMillis
283	>	* milliseconds in the future.
284		*/
285	<	volatile boolean threadFailed;
285	>	Date delayedDate(long delayMillis) {
286	>	return new Date(System.currentTimeMillis() + delayMillis);
287	>	}
288
289		/**
290	<	* Initializes test to indicate that no thread assertions have failed
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	+	* 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();
224	–	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) {
248	<	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) {
259	<	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) {
270	<	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) {
281	<	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))) {
292	<	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	<	* threadFail with message "should throw exception"
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	>	* Calls threadFail with message "should throw exception".
441		*/
442		public void threadShouldThrow() {
443	<	threadFailed = true;
302	<	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;
310	<	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) {
#	Line 341 | Line 506 | public class JSR166TestCase extends Test
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();
371	<	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.
#	Line 483 | Line 675 | public class JSR166TestCase extends Test
675		}
676
677		/**
678	<	* Sleep until the timeout has elapsed, or interrupted.
679	<	* Does <em>NOT</em> throw InterruptedException.
678	>	* Sleeps until the given time has elapsed.
679	>	* Throws AssertionFailedError if interrupted.
680		*/
681	<	void sleepTillInterrupted(long timeoutMillis) {
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	>	* 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 timeoutNanos = timeoutMillis * 1000L * 1000L;
698	>	long t0 = System.nanoTime();
699	>	for (;;) {
700	>	Thread.State s = thread.getState();
701	>	if (s == Thread.State.BLOCKED ||
702	>	s == Thread.State.WAITING ||
703	>	s == Thread.State.TIMED_WAITING)
704	>	return;
705	>	else if (s == Thread.State.TERMINATED)
706	>	fail("Unexpected thread termination");
707	>	else if (System.nanoTime() - t0 > timeoutNanos) {
708	>	threadAssertTrue(thread.isAlive());
709	>	return;
710	>	}
711	>	Thread.yield();
712	>	}
713	>	}
714	>
715	>	/**
716	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
717	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
718	>	*/
719	>	void waitForThreadToEnterWaitState(Thread thread) {
720	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
721		}
722
723		/**
724	<	* Returns a new started Thread running the given runnable.
724	>	* Returns the number of milliseconds since time given by
725	>	* startNanoTime, which must have been previously returned from a
726	>	* call to {@link System.nanoTime()}.
727	>	*/
728	>	long millisElapsedSince(long startNanoTime) {
729	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
730	>	}
731	>
732	>	/**
733	>	* Returns a new started daemon Thread running the given runnable.
734		*/
735		Thread newStartedThread(Runnable runnable) {
736		Thread t = new Thread(runnable);
737	+	t.setDaemon(true);
738		t.start();
739		return t;
740		}
741
742	+	/**
743	+	* Waits for the specified time (in milliseconds) for the thread
744	+	* to terminate (using {@link Thread#join(long)}), else interrupts
745	+	* the thread (in the hope that it may terminate later) and fails.
746	+	*/
747	+	void awaitTermination(Thread t, long timeoutMillis) {
748	+	try {
749	+	t.join(timeoutMillis);
750	+	} catch (InterruptedException ie) {
751	+	threadUnexpectedException(ie);
752	+	} finally {
753	+	if (t.getState() != Thread.State.TERMINATED) {
754	+	t.interrupt();
755	+	fail("Test timed out");
756	+	}
757	+	}
758	+	}
759	+
760	+	/**
761	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
762	+	* terminate (using {@link Thread#join(long)}), else interrupts
763	+	* the thread (in the hope that it may terminate later) and fails.
764	+	*/
765	+	void awaitTermination(Thread t) {
766	+	awaitTermination(t, LONG_DELAY_MS);
767	+	}
768	+
769		// Some convenient Runnable classes
770
771		public abstract class CheckedRunnable implements Runnable {
#	Line 563 | Line 828 | public class JSR166TestCase extends Test
828		realRun();
829		threadShouldThrow("InterruptedException");
830		} catch (InterruptedException success) {
831	+	threadAssertFalse(Thread.interrupted());
832		} catch (Throwable t) {
833		threadUnexpectedException(t);
834		}
#	Line 577 | Line 843 | public class JSR166TestCase extends Test
843		return realCall();
844		} catch (Throwable t) {
845		threadUnexpectedException(t);
846	+	return null;
847		}
581	–	return null;
848		}
849		}
850
851	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
851	>	public abstract class CheckedInterruptedCallable<T>
852	>	implements Callable<T> {
853		protected abstract T realCall() throws Throwable;
854
855		public final T call() {
#	Line 591 | Line 858 | public class JSR166TestCase extends Test
858		threadShouldThrow("InterruptedException");
859		return result;
860		} catch (InterruptedException success) {
861	+	threadAssertFalse(Thread.interrupted());
862		} catch (Throwable t) {
863		threadUnexpectedException(t);
864		}
#	Line 614 | Line 882 | public class JSR166TestCase extends Test
882
883		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
884		return new CheckedCallable<String>() {
885	<	public String realCall() {
885	>	protected String realCall() {
886		try {
887		latch.await();
888		} catch (InterruptedException quittingTime) {}
#	Line 622 | Line 890 | public class JSR166TestCase extends Test
890		}};
891		}
892
893	+	public Runnable awaiter(final CountDownLatch latch) {
894	+	return new CheckedRunnable() {
895	+	public void realRun() throws InterruptedException {
896	+	await(latch);
897	+	}};
898	+	}
899	+
900	+	public void await(CountDownLatch latch) {
901	+	try {
902	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
903	+	} catch (Throwable t) {
904	+	threadUnexpectedException(t);
905	+	}
906	+	}
907	+
908	+	//     /**
909	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
910	+	//      */
911	+	//     public void await(AtomicBoolean flag) {
912	+	//         await(flag, LONG_DELAY_MS);
913	+	//     }
914	+
915	+	//     /**
916	+	//      * Spin-waits up to the specified timeout until flag becomes true.
917	+	//      */
918	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
919	+	//         long startTime = System.nanoTime();
920	+	//         while (!flag.get()) {
921	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
922	+	//                 throw new AssertionFailedError("timed out");
923	+	//             Thread.yield();
924	+	//         }
925	+	//     }
926	+
927		public static class NPETask implements Callable<String> {
928		public String call() { throw new NullPointerException(); }
929		}
#	Line 632 | Line 934 | public class JSR166TestCase extends Test
934
935		public class ShortRunnable extends CheckedRunnable {
936		protected void realRun() throws Throwable {
937	<	Thread.sleep(SHORT_DELAY_MS);
937	>	delay(SHORT_DELAY_MS);
938		}
939		}
940
941		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
942		protected void realRun() throws InterruptedException {
943	<	Thread.sleep(SHORT_DELAY_MS);
943	>	delay(SHORT_DELAY_MS);
944		}
945		}
946
947		public class SmallRunnable extends CheckedRunnable {
948		protected void realRun() throws Throwable {
949	<	Thread.sleep(SMALL_DELAY_MS);
949	>	delay(SMALL_DELAY_MS);
950		}
951		}
952
953		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
954		protected void realRun() {
955		try {
956	<	Thread.sleep(SMALL_DELAY_MS);
956	>	delay(SMALL_DELAY_MS);
957		} catch (InterruptedException ok) {}
958		}
959		}
960
961		public class SmallCallable extends CheckedCallable {
962		protected Object realCall() throws InterruptedException {
963	<	Thread.sleep(SMALL_DELAY_MS);
963	>	delay(SMALL_DELAY_MS);
964		return Boolean.TRUE;
965		}
966		}
967
666	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
667	–	protected void realRun() throws InterruptedException {
668	–	Thread.sleep(SMALL_DELAY_MS);
669	–	}
670	–	}
671	–
968		public class MediumRunnable extends CheckedRunnable {
969		protected void realRun() throws Throwable {
970	<	Thread.sleep(MEDIUM_DELAY_MS);
970	>	delay(MEDIUM_DELAY_MS);
971		}
972		}
973
974		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
975		protected void realRun() throws InterruptedException {
976	<	Thread.sleep(MEDIUM_DELAY_MS);
976	>	delay(MEDIUM_DELAY_MS);
977		}
978		}
979
980	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
981	+	return new CheckedRunnable() {
982	+	protected void realRun() {
983	+	try {
984	+	delay(timeoutMillis);
985	+	} catch (InterruptedException ok) {}
986	+	}};
987	+	}
988	+
989		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
990		protected void realRun() {
991		try {
992	<	Thread.sleep(MEDIUM_DELAY_MS);
992	>	delay(MEDIUM_DELAY_MS);
993		} catch (InterruptedException ok) {}
994		}
995		}
#	Line 692 | Line 997 | public class JSR166TestCase extends Test
997		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
998		protected void realRun() {
999		try {
1000	<	Thread.sleep(LONG_DELAY_MS);
1000	>	delay(LONG_DELAY_MS);
1001		} catch (InterruptedException ok) {}
1002		}
1003		}
#	Line 706 | Line 1011 | public class JSR166TestCase extends Test
1011		}
1012		}
1013
1014	+	public interface TrackedRunnable extends Runnable {
1015	+	boolean isDone();
1016	+	}
1017	+
1018	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1019	+	return new TrackedRunnable() {
1020	+	private volatile boolean done = false;
1021	+	public boolean isDone() { return done; }
1022	+	public void run() {
1023	+	try {
1024	+	delay(timeoutMillis);
1025	+	done = true;
1026	+	} catch (InterruptedException ok) {}
1027	+	}
1028	+	};
1029	+	}
1030	+
1031		public static class TrackedShortRunnable implements Runnable {
1032		public volatile boolean done = false;
1033		public void run() {
1034		try {
1035	<	Thread.sleep(SMALL_DELAY_MS);
1035	>	delay(SHORT_DELAY_MS);
1036	>	done = true;
1037	>	} catch (InterruptedException ok) {}
1038	>	}
1039	>	}
1040	>
1041	>	public static class TrackedSmallRunnable implements Runnable {
1042	>	public volatile boolean done = false;
1043	>	public void run() {
1044	>	try {
1045	>	delay(SMALL_DELAY_MS);
1046		done = true;
1047		} catch (InterruptedException ok) {}
1048		}
#	Line 720 | Line 1052 | public class JSR166TestCase extends Test
1052		public volatile boolean done = false;
1053		public void run() {
1054		try {
1055	<	Thread.sleep(MEDIUM_DELAY_MS);
1055	>	delay(MEDIUM_DELAY_MS);
1056		done = true;
1057		} catch (InterruptedException ok) {}
1058		}
#	Line 730 | Line 1062 | public class JSR166TestCase extends Test
1062		public volatile boolean done = false;
1063		public void run() {
1064		try {
1065	<	Thread.sleep(LONG_DELAY_MS);
1065	>	delay(LONG_DELAY_MS);
1066		done = true;
1067		} catch (InterruptedException ok) {}
1068		}
#	Line 747 | Line 1079 | public class JSR166TestCase extends Test
1079		public volatile boolean done = false;
1080		public Object call() {
1081		try {
1082	<	Thread.sleep(SMALL_DELAY_MS);
1082	>	delay(SMALL_DELAY_MS);
1083		done = true;
1084		} catch (InterruptedException ok) {}
1085		return Boolean.TRUE;
1086		}
1087		}
1088
1089	+	/**
1090	+	* Analog of CheckedRunnable for RecursiveAction
1091	+	*/
1092	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1093	+	protected abstract void realCompute() throws Throwable;
1094	+
1095	+	public final void compute() {
1096	+	try {
1097	+	realCompute();
1098	+	} catch (Throwable t) {
1099	+	threadUnexpectedException(t);
1100	+	}
1101	+	}
1102	+	}
1103	+
1104	+	/**
1105	+	* Analog of CheckedCallable for RecursiveTask
1106	+	*/
1107	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1108	+	protected abstract T realCompute() throws Throwable;
1109	+
1110	+	public final T compute() {
1111	+	try {
1112	+	return realCompute();
1113	+	} catch (Throwable t) {
1114	+	threadUnexpectedException(t);
1115	+	return null;
1116	+	}
1117	+	}
1118	+	}
1119
1120		/**
1121		* For use as RejectedExecutionHandler in constructors
#	Line 763 | Line 1125 | public class JSR166TestCase extends Test
1125		ThreadPoolExecutor executor) {}
1126		}
1127
1128	+	/**
1129	+	* A CyclicBarrier that fails with AssertionFailedErrors instead
1130	+	* of throwing checked exceptions.
1131	+	*/
1132	+	public class CheckedBarrier extends CyclicBarrier {
1133	+	public CheckedBarrier(int parties) { super(parties); }
1134	+
1135	+	public int await() {
1136	+	try {
1137	+	return super.await();
1138	+	} catch (Exception e) {
1139	+	AssertionFailedError afe =
1140	+	new AssertionFailedError("Unexpected exception: " + e);
1141	+	afe.initCause(e);
1142	+	throw afe;
1143	+	}
1144	+	}
1145	+	}
1146	+
1147	+	void checkEmpty(BlockingQueue q) {
1148	+	try {
1149	+	assertTrue(q.isEmpty());
1150	+	assertEquals(0, q.size());
1151	+	assertNull(q.peek());
1152	+	assertNull(q.poll());
1153	+	assertNull(q.poll(0, MILLISECONDS));
1154	+	assertEquals(q.toString(), "[]");
1155	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1156	+	assertFalse(q.iterator().hasNext());
1157	+	try {
1158	+	q.element();
1159	+	shouldThrow();
1160	+	} catch (NoSuchElementException success) {}
1161	+	try {
1162	+	q.iterator().next();
1163	+	shouldThrow();
1164	+	} catch (NoSuchElementException success) {}
1165	+	try {
1166	+	q.remove();
1167	+	shouldThrow();
1168	+	} catch (NoSuchElementException success) {}
1169	+	} catch (InterruptedException ie) {
1170	+	threadUnexpectedException(ie);
1171	+	}
1172	+	}
1173	+
1174	+	@SuppressWarnings("unchecked")
1175	+	<T> T serialClone(T o) {
1176	+	try {
1177	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1178	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1179	+	oos.writeObject(o);
1180	+	oos.flush();
1181	+	oos.close();
1182	+	ByteArrayInputStream bin =
1183	+	new ByteArrayInputStream(bos.toByteArray());
1184	+	ObjectInputStream ois = new ObjectInputStream(bin);
1185	+	return (T) ois.readObject();
1186	+	} catch (Throwable t) {
1187	+	threadUnexpectedException(t);
1188	+	return null;
1189	+	}
1190	+	}
1191		}

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