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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.59 by jsr166, Wed Oct 6 02:58:04 2010 UTC vs.
Revision 1.99 by jsr166, Tue Feb 5 03:39:34 2013 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9		import junit.framework.*;
10	+	import java.io.ByteArrayInputStream;
11	+	import java.io.ByteArrayOutputStream;
12	+	import java.io.ObjectInputStream;
13	+	import java.io.ObjectOutputStream;
14	+	import java.lang.management.ManagementFactory;
15	+	import java.lang.management.ThreadInfo;
16	+	import java.lang.reflect.Method;
17	+	import java.util.ArrayList;
18	+	import java.util.Arrays;
19	+	import java.util.Date;
20	+	import java.util.Enumeration;
21	+	import java.util.List;
22	+	import java.util.NoSuchElementException;
23		import java.util.PropertyPermission;
24		import java.util.concurrent.*;
25	+	import java.util.concurrent.atomic.AtomicBoolean;
26		import java.util.concurrent.atomic.AtomicReference;
27		import static java.util.concurrent.TimeUnit.MILLISECONDS;
28	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
29		import java.security.CodeSource;
30		import java.security.Permission;
31		import java.security.PermissionCollection;
#	Line 60 | Line 75 | import java.security.SecurityPermission;
75		*
76		* </ol>
77		*
78	<	* <p> <b>Other notes</b>
78	>	* <p><b>Other notes</b>
79		* <ul>
80		*
81		* <li> Usually, there is one testcase method per JSR166 method
#	Line 96 | Line 111 | public class JSR166TestCase extends Test
111		private static final boolean useSecurityManager =
112		Boolean.getBoolean("jsr166.useSecurityManager");
113
114	+	protected static final boolean expensiveTests =
115	+	Boolean.getBoolean("jsr166.expensiveTests");
116	+
117	+	/**
118	+	* If true, report on stdout all "slow" tests, that is, ones that
119	+	* take more than profileThreshold milliseconds to execute.
120	+	*/
121	+	private static final boolean profileTests =
122	+	Boolean.getBoolean("jsr166.profileTests");
123	+
124		/**
125	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
125	>	* The number of milliseconds that tests are permitted for
126	>	* execution without being reported, when profileTests is set.
127	>	*/
128	>	private static final long profileThreshold =
129	>	Long.getLong("jsr166.profileThreshold", 100);
130	>
131	>	protected void runTest() throws Throwable {
132	>	if (profileTests)
133	>	runTestProfiled();
134	>	else
135	>	super.runTest();
136	>	}
137	>
138	>	protected void runTestProfiled() throws Throwable {
139	>	long t0 = System.nanoTime();
140	>	try {
141	>	super.runTest();
142	>	} finally {
143	>	long elapsedMillis =
144	>	(System.nanoTime() - t0) / (1000L * 1000L);
145	>	if (elapsedMillis >= profileThreshold)
146	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
147	>	}
148	>	}
149	>
150	>	/**
151	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
152	>	* Optional command line arg provides the number of iterations to
153	>	* repeat running the tests.
154		*/
155		public static void main(String[] args) {
156		if (useSecurityManager) {
#	Line 116 | Line 169 | public class JSR166TestCase extends Test
169		System.exit(0);
170		}
171
172	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
173	+	TestSuite suite = new TestSuite();
174	+	for (Object suiteOrClass : suiteOrClasses) {
175	+	if (suiteOrClass instanceof TestSuite)
176	+	suite.addTest((TestSuite) suiteOrClass);
177	+	else if (suiteOrClass instanceof Class)
178	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
179	+	else
180	+	throw new ClassCastException("not a test suite or class");
181	+	}
182	+	return suite;
183	+	}
184	+
185	+	public static void addNamedTestClasses(TestSuite suite,
186	+	String... testClassNames) {
187	+	for (String testClassName : testClassNames) {
188	+	try {
189	+	Class<?> testClass = Class.forName(testClassName);
190	+	Method m = testClass.getDeclaredMethod("suite",
191	+	new Class<?>[0]);
192	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
193	+	} catch (Exception e) {
194	+	throw new Error("Missing test class", e);
195	+	}
196	+	}
197	+	}
198	+
199	+	public static final double JAVA_CLASS_VERSION;
200	+	static {
201	+	try {
202	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
203	+	new java.security.PrivilegedAction<Double>() {
204	+	public Double run() {
205	+	return Double.valueOf(System.getProperty("java.class.version"));}});
206	+	} catch (Throwable t) {
207	+	throw new Error(t);
208	+	}
209	+	}
210	+
211	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
212	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
213	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
214	+
215		/**
216	<	* Collects all JSR166 unit tests as one suite
216	>	* Collects all JSR166 unit tests as one suite.
217		*/
218		public static Test suite() {
219	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
220	<
221	<	suite.addTest(ForkJoinPoolTest.suite());
222	<	suite.addTest(ForkJoinTaskTest.suite());
223	<	suite.addTest(RecursiveActionTest.suite());
224	<	suite.addTest(RecursiveTaskTest.suite());
225	<	suite.addTest(LinkedTransferQueueTest.suite());
226	<	suite.addTest(PhaserTest.suite());
227	<	suite.addTest(ThreadLocalRandomTest.suite());
228	<	suite.addTest(AbstractExecutorServiceTest.suite());
229	<	suite.addTest(AbstractQueueTest.suite());
230	<	suite.addTest(AbstractQueuedSynchronizerTest.suite());
231	<	suite.addTest(AbstractQueuedLongSynchronizerTest.suite());
232	<	suite.addTest(ArrayBlockingQueueTest.suite());
233	<	suite.addTest(ArrayDequeTest.suite());
234	<	suite.addTest(AtomicBooleanTest.suite());
235	<	suite.addTest(AtomicIntegerArrayTest.suite());
236	<	suite.addTest(AtomicIntegerFieldUpdaterTest.suite());
237	<	suite.addTest(AtomicIntegerTest.suite());
238	<	suite.addTest(AtomicLongArrayTest.suite());
239	<	suite.addTest(AtomicLongFieldUpdaterTest.suite());
240	<	suite.addTest(AtomicLongTest.suite());
241	<	suite.addTest(AtomicMarkableReferenceTest.suite());
242	<	suite.addTest(AtomicReferenceArrayTest.suite());
243	<	suite.addTest(AtomicReferenceFieldUpdaterTest.suite());
244	<	suite.addTest(AtomicReferenceTest.suite());
245	<	suite.addTest(AtomicStampedReferenceTest.suite());
246	<	suite.addTest(ConcurrentHashMapTest.suite());
247	<	suite.addTest(ConcurrentLinkedDequeTest.suite());
248	<	suite.addTest(ConcurrentLinkedQueueTest.suite());
249	<	suite.addTest(ConcurrentSkipListMapTest.suite());
250	<	suite.addTest(ConcurrentSkipListSubMapTest.suite());
251	<	suite.addTest(ConcurrentSkipListSetTest.suite());
252	<	suite.addTest(ConcurrentSkipListSubSetTest.suite());
253	<	suite.addTest(CopyOnWriteArrayListTest.suite());
254	<	suite.addTest(CopyOnWriteArraySetTest.suite());
255	<	suite.addTest(CountDownLatchTest.suite());
256	<	suite.addTest(CyclicBarrierTest.suite());
257	<	suite.addTest(DelayQueueTest.suite());
258	<	suite.addTest(EntryTest.suite());
259	<	suite.addTest(ExchangerTest.suite());
260	<	suite.addTest(ExecutorsTest.suite());
261	<	suite.addTest(ExecutorCompletionServiceTest.suite());
262	<	suite.addTest(FutureTaskTest.suite());
263	<	suite.addTest(LinkedBlockingDequeTest.suite());
264	<	suite.addTest(LinkedBlockingQueueTest.suite());
265	<	suite.addTest(LinkedListTest.suite());
266	<	suite.addTest(LockSupportTest.suite());
267	<	suite.addTest(PriorityBlockingQueueTest.suite());
268	<	suite.addTest(PriorityQueueTest.suite());
269	<	suite.addTest(ReentrantLockTest.suite());
270	<	suite.addTest(ReentrantReadWriteLockTest.suite());
271	<	suite.addTest(ScheduledExecutorTest.suite());
272	<	suite.addTest(ScheduledExecutorSubclassTest.suite());
273	<	suite.addTest(SemaphoreTest.suite());
274	<	suite.addTest(SynchronousQueueTest.suite());
275	<	suite.addTest(SystemTest.suite());
276	<	suite.addTest(ThreadLocalTest.suite());
277	<	suite.addTest(ThreadPoolExecutorTest.suite());
278	<	suite.addTest(ThreadPoolExecutorSubclassTest.suite());
279	<	suite.addTest(ThreadTest.suite());
280	<	suite.addTest(TimeUnitTest.suite());
281	<	suite.addTest(TreeMapTest.suite());
282	<	suite.addTest(TreeSetTest.suite());
283	<	suite.addTest(TreeSubMapTest.suite());
284	<	suite.addTest(TreeSubSetTest.suite());
219	>	// Java7+ test classes
220	>	TestSuite suite = newTestSuite(
221	>	ForkJoinPoolTest.suite(),
222	>	ForkJoinTaskTest.suite(),
223	>	RecursiveActionTest.suite(),
224	>	RecursiveTaskTest.suite(),
225	>	LinkedTransferQueueTest.suite(),
226	>	PhaserTest.suite(),
227	>	ThreadLocalRandomTest.suite(),
228	>	AbstractExecutorServiceTest.suite(),
229	>	AbstractQueueTest.suite(),
230	>	AbstractQueuedSynchronizerTest.suite(),
231	>	AbstractQueuedLongSynchronizerTest.suite(),
232	>	ArrayBlockingQueueTest.suite(),
233	>	ArrayDequeTest.suite(),
234	>	AtomicBooleanTest.suite(),
235	>	AtomicIntegerArrayTest.suite(),
236	>	AtomicIntegerFieldUpdaterTest.suite(),
237	>	AtomicIntegerTest.suite(),
238	>	AtomicLongArrayTest.suite(),
239	>	AtomicLongFieldUpdaterTest.suite(),
240	>	AtomicLongTest.suite(),
241	>	AtomicMarkableReferenceTest.suite(),
242	>	AtomicReferenceArrayTest.suite(),
243	>	AtomicReferenceFieldUpdaterTest.suite(),
244	>	AtomicReferenceTest.suite(),
245	>	AtomicStampedReferenceTest.suite(),
246	>	ConcurrentHashMapTest.suite(),
247	>	ConcurrentLinkedDequeTest.suite(),
248	>	ConcurrentLinkedQueueTest.suite(),
249	>	ConcurrentSkipListMapTest.suite(),
250	>	ConcurrentSkipListSubMapTest.suite(),
251	>	ConcurrentSkipListSetTest.suite(),
252	>	ConcurrentSkipListSubSetTest.suite(),
253	>	CopyOnWriteArrayListTest.suite(),
254	>	CopyOnWriteArraySetTest.suite(),
255	>	CountDownLatchTest.suite(),
256	>	CyclicBarrierTest.suite(),
257	>	DelayQueueTest.suite(),
258	>	EntryTest.suite(),
259	>	ExchangerTest.suite(),
260	>	ExecutorsTest.suite(),
261	>	ExecutorCompletionServiceTest.suite(),
262	>	FutureTaskTest.suite(),
263	>	LinkedBlockingDequeTest.suite(),
264	>	LinkedBlockingQueueTest.suite(),
265	>	LinkedListTest.suite(),
266	>	LockSupportTest.suite(),
267	>	PriorityBlockingQueueTest.suite(),
268	>	PriorityQueueTest.suite(),
269	>	ReentrantLockTest.suite(),
270	>	ReentrantReadWriteLockTest.suite(),
271	>	ScheduledExecutorTest.suite(),
272	>	ScheduledExecutorSubclassTest.suite(),
273	>	SemaphoreTest.suite(),
274	>	SynchronousQueueTest.suite(),
275	>	SystemTest.suite(),
276	>	ThreadLocalTest.suite(),
277	>	ThreadPoolExecutorTest.suite(),
278	>	ThreadPoolExecutorSubclassTest.suite(),
279	>	ThreadTest.suite(),
280	>	TimeUnitTest.suite(),
281	>	TreeMapTest.suite(),
282	>	TreeSetTest.suite(),
283	>	TreeSubMapTest.suite(),
284	>	TreeSubSetTest.suite());
285	>
286	>	// Java8+ test classes
287	>	if (atLeastJava8()) {
288	>	String[] java8TestClassNames = {
289	>	"StampedLockTest",
290	>	"ForkJoinPool8Test",
291	>	};
292	>	addNamedTestClasses(suite, java8TestClassNames);
293	>	}
294
295		return suite;
296		}
#	Line 205 | Line 310 | public class JSR166TestCase extends Test
310		return 50;
311		}
312
208	–
313		/**
314		* Sets delays as multiples of SHORT_DELAY.
315		*/
#	Line 213 | Line 317 | public class JSR166TestCase extends Test
317		SHORT_DELAY_MS = getShortDelay();
318		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
319		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
320	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
320	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
321	>	}
322	>
323	>	/**
324	>	* Returns a timeout in milliseconds to be used in tests that
325	>	* verify that operations block or time out.
326	>	*/
327	>	long timeoutMillis() {
328	>	return SHORT_DELAY_MS / 4;
329	>	}
330	>
331	>	/**
332	>	* Returns a new Date instance representing a time delayMillis
333	>	* milliseconds in the future.
334	>	*/
335	>	Date delayedDate(long delayMillis) {
336	>	return new Date(System.currentTimeMillis() + delayMillis);
337		}
338
339		/**
#	Line 237 | Line 357 | public class JSR166TestCase extends Test
357		}
358
359		/**
360	+	* Extra checks that get done for all test cases.
361	+	*
362		* Triggers test case failure if any thread assertions have failed,
363		* by rethrowing, in the test harness thread, any exception recorded
364		* earlier by threadRecordFailure.
365	+	*
366	+	* Triggers test case failure if interrupt status is set in the main thread.
367		*/
368		public void tearDown() throws Exception {
369	<	Throwable t = threadFailure.get();
369	>	Throwable t = threadFailure.getAndSet(null);
370		if (t != null) {
371		if (t instanceof Error)
372		throw (Error) t;
#	Line 257 | Line 381 | public class JSR166TestCase extends Test
381		throw afe;
382		}
383		}
384	+
385	+	if (Thread.interrupted())
386	+	throw new AssertionFailedError("interrupt status set in main thread");
387		}
388
389		/**
#	Line 388 | Line 515 | public class JSR166TestCase extends Test
515		else {
516		AssertionFailedError afe =
517		new AssertionFailedError("unexpected exception: " + t);
518	<	t.initCause(t);
518	>	afe.initCause(t);
519		throw afe;
520		}
521		}
522
523		/**
524	+	* Delays, via Thread.sleep, for the given millisecond delay, but
525	+	* if the sleep is shorter than specified, may re-sleep or yield
526	+	* until time elapses.
527	+	*/
528	+	static void delay(long millis) throws InterruptedException {
529	+	long startTime = System.nanoTime();
530	+	long ns = millis * 1000 * 1000;
531	+	for (;;) {
532	+	if (millis > 0L)
533	+	Thread.sleep(millis);
534	+	else // too short to sleep
535	+	Thread.yield();
536	+	long d = ns - (System.nanoTime() - startTime);
537	+	if (d > 0L)
538	+	millis = d / (1000 * 1000);
539	+	else
540	+	break;
541	+	}
542	+	}
543	+
544	+	/**
545		* Waits out termination of a thread pool or fails doing so.
546		*/
547	<	public void joinPool(ExecutorService exec) {
547	>	void joinPool(ExecutorService exec) {
548		try {
549		exec.shutdown();
550		assertTrue("ExecutorService did not terminate in a timely manner",
551	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
551	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
552		} catch (SecurityException ok) {
553		// Allowed in case test doesn't have privs
554		} catch (InterruptedException ie) {
#	Line 408 | Line 556 | public class JSR166TestCase extends Test
556		}
557		}
558
559	+	/**
560	+	* A debugging tool to print all stack traces, as jstack does.
561	+	*/
562	+	static void printAllStackTraces() {
563	+	for (ThreadInfo info :
564	+	ManagementFactory.getThreadMXBean()
565	+	.dumpAllThreads(true, true))
566	+	System.err.print(info);
567	+	}
568	+
569	+	/**
570	+	* Checks that thread does not terminate within the default
571	+	* millisecond delay of {@code timeoutMillis()}.
572	+	*/
573	+	void assertThreadStaysAlive(Thread thread) {
574	+	assertThreadStaysAlive(thread, timeoutMillis());
575	+	}
576	+
577	+	/**
578	+	* Checks that thread does not terminate within the given millisecond delay.
579	+	*/
580	+	void assertThreadStaysAlive(Thread thread, long millis) {
581	+	try {
582	+	// No need to optimize the failing case via Thread.join.
583	+	delay(millis);
584	+	assertTrue(thread.isAlive());
585	+	} catch (InterruptedException ie) {
586	+	fail("Unexpected InterruptedException");
587	+	}
588	+	}
589	+
590	+	/**
591	+	* Checks that the threads do not terminate within the default
592	+	* millisecond delay of {@code timeoutMillis()}.
593	+	*/
594	+	void assertThreadsStayAlive(Thread... threads) {
595	+	assertThreadsStayAlive(timeoutMillis(), threads);
596	+	}
597	+
598	+	/**
599	+	* Checks that the threads do not terminate within the given millisecond delay.
600	+	*/
601	+	void assertThreadsStayAlive(long millis, Thread... threads) {
602	+	try {
603	+	// No need to optimize the failing case via Thread.join.
604	+	delay(millis);
605	+	for (Thread thread : threads)
606	+	assertTrue(thread.isAlive());
607	+	} catch (InterruptedException ie) {
608	+	fail("Unexpected InterruptedException");
609	+	}
610	+	}
611	+
612	+	/**
613	+	* Checks that future.get times out, with the default timeout of
614	+	* {@code timeoutMillis()}.
615	+	*/
616	+	void assertFutureTimesOut(Future future) {
617	+	assertFutureTimesOut(future, timeoutMillis());
618	+	}
619	+
620	+	/**
621	+	* Checks that future.get times out, with the given millisecond timeout.
622	+	*/
623	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
624	+	long startTime = System.nanoTime();
625	+	try {
626	+	future.get(timeoutMillis, MILLISECONDS);
627	+	shouldThrow();
628	+	} catch (TimeoutException success) {
629	+	} catch (Exception e) {
630	+	threadUnexpectedException(e);
631	+	} finally { future.cancel(true); }
632	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
633	+	}
634
635		/**
636		* Fails with message "should throw exception".
#	Line 460 | Line 683 | public class JSR166TestCase extends Test
683		SecurityManager sm = System.getSecurityManager();
684		if (sm == null) {
685		r.run();
686	+	}
687	+	runWithSecurityManagerWithPermissions(r, permissions);
688	+	}
689	+
690	+	/**
691	+	* Runs Runnable r with a security policy that permits precisely
692	+	* the specified permissions.  If there is no current security
693	+	* manager, a temporary one is set for the duration of the
694	+	* Runnable.  We require that any security manager permit
695	+	* getPolicy/setPolicy.
696	+	*/
697	+	public void runWithSecurityManagerWithPermissions(Runnable r,
698	+	Permission... permissions) {
699	+	SecurityManager sm = System.getSecurityManager();
700	+	if (sm == null) {
701		Policy savedPolicy = Policy.getPolicy();
702		try {
703		Policy.setPolicy(permissivePolicy());
704		System.setSecurityManager(new SecurityManager());
705	<	runWithPermissions(r, permissions);
705	>	runWithSecurityManagerWithPermissions(r, permissions);
706		} finally {
707		System.setSecurityManager(null);
708		Policy.setPolicy(savedPolicy);
#	Line 512 | Line 750 | public class JSR166TestCase extends Test
750		return perms.implies(p);
751		}
752		public void refresh() {}
753	+	public String toString() {
754	+	List<Permission> ps = new ArrayList<Permission>();
755	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
756	+	ps.add(e.nextElement());
757	+	return "AdjustablePolicy with permissions " + ps;
758	+	}
759		}
760
761		/**
#	Line 534 | Line 778 | public class JSR166TestCase extends Test
778		}
779
780		/**
781	<	* Sleeps until the timeout has elapsed, or interrupted.
782	<	* Does <em>NOT</em> throw InterruptedException.
781	>	* Sleeps until the given time has elapsed.
782	>	* Throws AssertionFailedError if interrupted.
783		*/
784	<	void sleepTillInterrupted(long timeoutMillis) {
784	>	void sleep(long millis) {
785		try {
786	<	Thread.sleep(timeoutMillis);
787	<	} catch (InterruptedException wakeup) {}
786	>	delay(millis);
787	>	} catch (InterruptedException ie) {
788	>	AssertionFailedError afe =
789	>	new AssertionFailedError("Unexpected InterruptedException");
790	>	afe.initCause(ie);
791	>	throw afe;
792	>	}
793	>	}
794	>
795	>	/**
796	>	* Spin-waits up to the specified number of milliseconds for the given
797	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
798	>	*/
799	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
800	>	long startTime = System.nanoTime();
801	>	for (;;) {
802	>	Thread.State s = thread.getState();
803	>	if (s == Thread.State.BLOCKED ||
804	>	s == Thread.State.WAITING ||
805	>	s == Thread.State.TIMED_WAITING)
806	>	return;
807	>	else if (s == Thread.State.TERMINATED)
808	>	fail("Unexpected thread termination");
809	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
810	>	threadAssertTrue(thread.isAlive());
811	>	return;
812	>	}
813	>	Thread.yield();
814	>	}
815	>	}
816	>
817	>	/**
818	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
819	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
820	>	*/
821	>	void waitForThreadToEnterWaitState(Thread thread) {
822	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
823	>	}
824	>
825	>	/**
826	>	* Returns the number of milliseconds since time given by
827	>	* startNanoTime, which must have been previously returned from a
828	>	* call to {@link System.nanoTime()}.
829	>	*/
830	>	long millisElapsedSince(long startNanoTime) {
831	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
832		}
833
834		/**
#	Line 564 | Line 852 | public class JSR166TestCase extends Test
852		} catch (InterruptedException ie) {
853		threadUnexpectedException(ie);
854		} finally {
855	<	if (t.isAlive()) {
855	>	if (t.getState() != Thread.State.TERMINATED) {
856		t.interrupt();
857		fail("Test timed out");
858		}
859		}
860		}
861
862	+	/**
863	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
864	+	* terminate (using {@link Thread#join(long)}), else interrupts
865	+	* the thread (in the hope that it may terminate later) and fails.
866	+	*/
867	+	void awaitTermination(Thread t) {
868	+	awaitTermination(t, LONG_DELAY_MS);
869	+	}
870	+
871		// Some convenient Runnable classes
872
873		public abstract class CheckedRunnable implements Runnable {
#	Line 633 | Line 930 | public class JSR166TestCase extends Test
930		realRun();
931		threadShouldThrow("InterruptedException");
932		} catch (InterruptedException success) {
933	+	threadAssertFalse(Thread.interrupted());
934		} catch (Throwable t) {
935		threadUnexpectedException(t);
936		}
#	Line 662 | Line 960 | public class JSR166TestCase extends Test
960		threadShouldThrow("InterruptedException");
961		return result;
962		} catch (InterruptedException success) {
963	+	threadAssertFalse(Thread.interrupted());
964		} catch (Throwable t) {
965		threadUnexpectedException(t);
966		}
#	Line 685 | Line 984 | public class JSR166TestCase extends Test
984
985		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
986		return new CheckedCallable<String>() {
987	<	public String realCall() {
987	>	protected String realCall() {
988		try {
989		latch.await();
990		} catch (InterruptedException quittingTime) {}
#	Line 693 | Line 992 | public class JSR166TestCase extends Test
992		}};
993		}
994
995	+	public Runnable awaiter(final CountDownLatch latch) {
996	+	return new CheckedRunnable() {
997	+	public void realRun() throws InterruptedException {
998	+	await(latch);
999	+	}};
1000	+	}
1001	+
1002	+	public void await(CountDownLatch latch) {
1003	+	try {
1004	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1005	+	} catch (Throwable t) {
1006	+	threadUnexpectedException(t);
1007	+	}
1008	+	}
1009	+
1010	+	public void await(Semaphore semaphore) {
1011	+	try {
1012	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1013	+	} catch (Throwable t) {
1014	+	threadUnexpectedException(t);
1015	+	}
1016	+	}
1017	+
1018	+	//     /**
1019	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1020	+	//      */
1021	+	//     public void await(AtomicBoolean flag) {
1022	+	//         await(flag, LONG_DELAY_MS);
1023	+	//     }
1024	+
1025	+	//     /**
1026	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1027	+	//      */
1028	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1029	+	//         long startTime = System.nanoTime();
1030	+	//         while (!flag.get()) {
1031	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1032	+	//                 throw new AssertionFailedError("timed out");
1033	+	//             Thread.yield();
1034	+	//         }
1035	+	//     }
1036	+
1037		public static class NPETask implements Callable<String> {
1038		public String call() { throw new NullPointerException(); }
1039		}
#	Line 703 | Line 1044 | public class JSR166TestCase extends Test
1044
1045		public class ShortRunnable extends CheckedRunnable {
1046		protected void realRun() throws Throwable {
1047	<	Thread.sleep(SHORT_DELAY_MS);
1047	>	delay(SHORT_DELAY_MS);
1048		}
1049		}
1050
1051		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1052		protected void realRun() throws InterruptedException {
1053	<	Thread.sleep(SHORT_DELAY_MS);
1053	>	delay(SHORT_DELAY_MS);
1054		}
1055		}
1056
1057		public class SmallRunnable extends CheckedRunnable {
1058		protected void realRun() throws Throwable {
1059	<	Thread.sleep(SMALL_DELAY_MS);
1059	>	delay(SMALL_DELAY_MS);
1060		}
1061		}
1062
1063		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1064		protected void realRun() {
1065		try {
1066	<	Thread.sleep(SMALL_DELAY_MS);
1066	>	delay(SMALL_DELAY_MS);
1067		} catch (InterruptedException ok) {}
1068		}
1069		}
1070
1071		public class SmallCallable extends CheckedCallable {
1072		protected Object realCall() throws InterruptedException {
1073	<	Thread.sleep(SMALL_DELAY_MS);
1073	>	delay(SMALL_DELAY_MS);
1074		return Boolean.TRUE;
1075		}
1076		}
1077
1078		public class MediumRunnable extends CheckedRunnable {
1079		protected void realRun() throws Throwable {
1080	<	Thread.sleep(MEDIUM_DELAY_MS);
1080	>	delay(MEDIUM_DELAY_MS);
1081		}
1082		}
1083
1084		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1085		protected void realRun() throws InterruptedException {
1086	<	Thread.sleep(MEDIUM_DELAY_MS);
1086	>	delay(MEDIUM_DELAY_MS);
1087		}
1088		}
1089
1090	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1091	+	return new CheckedRunnable() {
1092	+	protected void realRun() {
1093	+	try {
1094	+	delay(timeoutMillis);
1095	+	} catch (InterruptedException ok) {}
1096	+	}};
1097	+	}
1098	+
1099		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1100		protected void realRun() {
1101		try {
1102	<	Thread.sleep(MEDIUM_DELAY_MS);
1102	>	delay(MEDIUM_DELAY_MS);
1103		} catch (InterruptedException ok) {}
1104		}
1105		}
#	Line 757 | Line 1107 | public class JSR166TestCase extends Test
1107		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1108		protected void realRun() {
1109		try {
1110	<	Thread.sleep(LONG_DELAY_MS);
1110	>	delay(LONG_DELAY_MS);
1111		} catch (InterruptedException ok) {}
1112		}
1113		}
#	Line 771 | Line 1121 | public class JSR166TestCase extends Test
1121		}
1122		}
1123
1124	+	public interface TrackedRunnable extends Runnable {
1125	+	boolean isDone();
1126	+	}
1127	+
1128	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1129	+	return new TrackedRunnable() {
1130	+	private volatile boolean done = false;
1131	+	public boolean isDone() { return done; }
1132	+	public void run() {
1133	+	try {
1134	+	delay(timeoutMillis);
1135	+	done = true;
1136	+	} catch (InterruptedException ok) {}
1137	+	}
1138	+	};
1139	+	}
1140	+
1141		public static class TrackedShortRunnable implements Runnable {
1142		public volatile boolean done = false;
1143		public void run() {
1144		try {
1145	<	Thread.sleep(SMALL_DELAY_MS);
1145	>	delay(SHORT_DELAY_MS);
1146	>	done = true;
1147	>	} catch (InterruptedException ok) {}
1148	>	}
1149	>	}
1150	>
1151	>	public static class TrackedSmallRunnable implements Runnable {
1152	>	public volatile boolean done = false;
1153	>	public void run() {
1154	>	try {
1155	>	delay(SMALL_DELAY_MS);
1156		done = true;
1157		} catch (InterruptedException ok) {}
1158		}
#	Line 785 | Line 1162 | public class JSR166TestCase extends Test
1162		public volatile boolean done = false;
1163		public void run() {
1164		try {
1165	<	Thread.sleep(MEDIUM_DELAY_MS);
1165	>	delay(MEDIUM_DELAY_MS);
1166		done = true;
1167		} catch (InterruptedException ok) {}
1168		}
#	Line 795 | Line 1172 | public class JSR166TestCase extends Test
1172		public volatile boolean done = false;
1173		public void run() {
1174		try {
1175	<	Thread.sleep(LONG_DELAY_MS);
1175	>	delay(LONG_DELAY_MS);
1176		done = true;
1177		} catch (InterruptedException ok) {}
1178		}
#	Line 812 | Line 1189 | public class JSR166TestCase extends Test
1189		public volatile boolean done = false;
1190		public Object call() {
1191		try {
1192	<	Thread.sleep(SMALL_DELAY_MS);
1192	>	delay(SMALL_DELAY_MS);
1193		done = true;
1194		} catch (InterruptedException ok) {}
1195		return Boolean.TRUE;
#	Line 858 | Line 1235 | public class JSR166TestCase extends Test
1235		ThreadPoolExecutor executor) {}
1236		}
1237
1238	+	/**
1239	+	* A CyclicBarrier that uses timed await and fails with
1240	+	* AssertionFailedErrors instead of throwing checked exceptions.
1241	+	*/
1242	+	public class CheckedBarrier extends CyclicBarrier {
1243	+	public CheckedBarrier(int parties) { super(parties); }
1244	+
1245	+	public int await() {
1246	+	try {
1247	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1248	+	} catch (TimeoutException e) {
1249	+	throw new AssertionFailedError("timed out");
1250	+	} catch (Exception e) {
1251	+	AssertionFailedError afe =
1252	+	new AssertionFailedError("Unexpected exception: " + e);
1253	+	afe.initCause(e);
1254	+	throw afe;
1255	+	}
1256	+	}
1257	+	}
1258	+
1259	+	void checkEmpty(BlockingQueue q) {
1260	+	try {
1261	+	assertTrue(q.isEmpty());
1262	+	assertEquals(0, q.size());
1263	+	assertNull(q.peek());
1264	+	assertNull(q.poll());
1265	+	assertNull(q.poll(0, MILLISECONDS));
1266	+	assertEquals(q.toString(), "[]");
1267	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1268	+	assertFalse(q.iterator().hasNext());
1269	+	try {
1270	+	q.element();
1271	+	shouldThrow();
1272	+	} catch (NoSuchElementException success) {}
1273	+	try {
1274	+	q.iterator().next();
1275	+	shouldThrow();
1276	+	} catch (NoSuchElementException success) {}
1277	+	try {
1278	+	q.remove();
1279	+	shouldThrow();
1280	+	} catch (NoSuchElementException success) {}
1281	+	} catch (InterruptedException ie) {
1282	+	threadUnexpectedException(ie);
1283	+	}
1284	+	}
1285	+
1286	+	void assertSerialEquals(Object x, Object y) {
1287	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1288	+	}
1289	+
1290	+	void assertNotSerialEquals(Object x, Object y) {
1291	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1292	+	}
1293	+
1294	+	byte[] serialBytes(Object o) {
1295	+	try {
1296	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1297	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1298	+	oos.writeObject(o);
1299	+	oos.flush();
1300	+	oos.close();
1301	+	return bos.toByteArray();
1302	+	} catch (Throwable t) {
1303	+	threadUnexpectedException(t);
1304	+	return new byte[0];
1305	+	}
1306	+	}
1307	+
1308	+	@SuppressWarnings("unchecked")
1309	+	<T> T serialClone(T o) {
1310	+	try {
1311	+	ObjectInputStream ois = new ObjectInputStream
1312	+	(new ByteArrayInputStream(serialBytes(o)));
1313	+	T clone = (T) ois.readObject();
1314	+	assertSame(o.getClass(), clone.getClass());
1315	+	return clone;
1316	+	} catch (Throwable t) {
1317	+	threadUnexpectedException(t);
1318	+	return null;
1319	+	}
1320	+	}
1321		}

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