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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.77 by jsr166, Fri May 6 17:26:29 2011 UTC vs.
Revision 1.97 by jsr166, Fri Feb 1 19:07:36 2013 UTC

#	Line 7 | Line 7
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;
#	Line 63 | 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 136 | Line 148 | public class JSR166TestCase extends Test
148		}
149
150		/**
151	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
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 168 | Line 182 | public class JSR166TestCase extends Test
182		return suite;
183		}
184
185	+	static void addTestReflectively(TestSuite suite, String testClassName) {
186	+	try {
187	+	Class klazz = Class.forName(testClassName);
188	+	Method m = klazz.getDeclaredMethod("suite", new Class<?>[0]);
189	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
190	+	} catch (Exception e) {
191	+	throw new Error(e);
192	+	}
193	+	}
194	+
195	+	public static final double JAVA_CLASS_VERSION;
196	+	static {
197	+	try {
198	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
199	+	new java.security.PrivilegedAction<Double>() {
200	+	public Double run() {
201	+	return Double.valueOf(System.getProperty("java.class.version"));}});
202	+	} catch (Throwable t) {
203	+	throw new Error(t);
204	+	}
205	+	}
206	+
207	+	public static boolean isAtLeastJdk6() { return JAVA_CLASS_VERSION >= 50.0; }
208	+	public static boolean isAtLeastJdk7() { return JAVA_CLASS_VERSION >= 51.0; }
209	+	public static boolean isAtLeastJdk8() { return JAVA_CLASS_VERSION >= 52.0; }
210	+
211		/**
212		* Collects all JSR166 unit tests as one suite.
213		*/
214		public static Test suite() {
215	<	return newTestSuite(
215	>	TestSuite suite = newTestSuite(
216		ForkJoinPoolTest.suite(),
217		ForkJoinTaskTest.suite(),
218		RecursiveActionTest.suite(),
#	Line 237 | Line 277 | public class JSR166TestCase extends Test
277		TreeSetTest.suite(),
278		TreeSubMapTest.suite(),
279		TreeSubSetTest.suite());
280	+	if (isAtLeastJdk8()) {
281	+	addTestReflectively(suite, "StampedLockTest");
282	+	}
283	+	return suite;
284		}
285
286
#	Line 254 | Line 298 | public class JSR166TestCase extends Test
298		return 50;
299		}
300
257	–
301		/**
302		* Sets delays as multiples of SHORT_DELAY.
303		*/
#	Line 266 | Line 309 | public class JSR166TestCase extends Test
309		}
310
311		/**
312	+	* Returns a timeout in milliseconds to be used in tests that
313	+	* verify that operations block or time out.
314	+	*/
315	+	long timeoutMillis() {
316	+	return SHORT_DELAY_MS / 4;
317	+	}
318	+
319	+	/**
320	+	* Returns a new Date instance representing a time delayMillis
321	+	* milliseconds in the future.
322	+	*/
323	+	Date delayedDate(long delayMillis) {
324	+	return new Date(System.currentTimeMillis() + delayMillis);
325	+	}
326	+
327	+	/**
328		* The first exception encountered if any threadAssertXXX method fails.
329		*/
330		private final AtomicReference<Throwable> threadFailure
#	Line 286 | Line 345 | public class JSR166TestCase extends Test
345		}
346
347		/**
348	+	* Extra checks that get done for all test cases.
349	+	*
350		* Triggers test case failure if any thread assertions have failed,
351		* by rethrowing, in the test harness thread, any exception recorded
352		* earlier by threadRecordFailure.
353	+	*
354	+	* Triggers test case failure if interrupt status is set in the main thread.
355		*/
356		public void tearDown() throws Exception {
357		Throwable t = threadFailure.getAndSet(null);
#	Line 306 | Line 369 | public class JSR166TestCase extends Test
369		throw afe;
370		}
371		}
372	+
373	+	if (Thread.interrupted())
374	+	throw new AssertionFailedError("interrupt status set in main thread");
375		}
376
377		/**
#	Line 437 | Line 503 | public class JSR166TestCase extends Test
503		else {
504		AssertionFailedError afe =
505		new AssertionFailedError("unexpected exception: " + t);
506	<	t.initCause(t);
506	>	afe.initCause(t);
507		throw afe;
508		}
509		}
510
511		/**
512	<	* Delays, via Thread.sleep for the given millisecond delay, but
512	>	* Delays, via Thread.sleep, for the given millisecond delay, but
513		* if the sleep is shorter than specified, may re-sleep or yield
514		* until time elapses.
515		*/
516	<	public static void delay(long ms) throws InterruptedException {
516	>	static void delay(long millis) throws InterruptedException {
517		long startTime = System.nanoTime();
518	<	long ns = ms * 1000 * 1000;
518	>	long ns = millis * 1000 * 1000;
519		for (;;) {
520	<	if (ms > 0L)
521	<	Thread.sleep(ms);
520	>	if (millis > 0L)
521	>	Thread.sleep(millis);
522		else // too short to sleep
523		Thread.yield();
524		long d = ns - (System.nanoTime() - startTime);
525		if (d > 0L)
526	<	ms = d / (1000 * 1000);
526	>	millis = d / (1000 * 1000);
527		else
528		break;
529		}
#	Line 466 | Line 532 | public class JSR166TestCase extends Test
532		/**
533		* Waits out termination of a thread pool or fails doing so.
534		*/
535	<	public void joinPool(ExecutorService exec) {
535	>	void joinPool(ExecutorService exec) {
536		try {
537		exec.shutdown();
538		assertTrue("ExecutorService did not terminate in a timely manner",
#	Line 478 | Line 544 | public class JSR166TestCase extends Test
544		}
545		}
546
547	+	/**
548	+	* A debugging tool to print all stack traces, as jstack does.
549	+	*/
550	+	static void printAllStackTraces() {
551	+	for (ThreadInfo info :
552	+	ManagementFactory.getThreadMXBean()
553	+	.dumpAllThreads(true, true))
554	+	System.err.print(info);
555	+	}
556	+
557	+	/**
558	+	* Checks that thread does not terminate within the default
559	+	* millisecond delay of {@code timeoutMillis()}.
560	+	*/
561	+	void assertThreadStaysAlive(Thread thread) {
562	+	assertThreadStaysAlive(thread, timeoutMillis());
563	+	}
564	+
565	+	/**
566	+	* Checks that thread does not terminate within the given millisecond delay.
567	+	*/
568	+	void assertThreadStaysAlive(Thread thread, long millis) {
569	+	try {
570	+	// No need to optimize the failing case via Thread.join.
571	+	delay(millis);
572	+	assertTrue(thread.isAlive());
573	+	} catch (InterruptedException ie) {
574	+	fail("Unexpected InterruptedException");
575	+	}
576	+	}
577	+
578	+	/**
579	+	* Checks that the threads do not terminate within the default
580	+	* millisecond delay of {@code timeoutMillis()}.
581	+	*/
582	+	void assertThreadsStayAlive(Thread... threads) {
583	+	assertThreadsStayAlive(timeoutMillis(), threads);
584	+	}
585	+
586	+	/**
587	+	* Checks that the threads do not terminate within the given millisecond delay.
588	+	*/
589	+	void assertThreadsStayAlive(long millis, Thread... threads) {
590	+	try {
591	+	// No need to optimize the failing case via Thread.join.
592	+	delay(millis);
593	+	for (Thread thread : threads)
594	+	assertTrue(thread.isAlive());
595	+	} catch (InterruptedException ie) {
596	+	fail("Unexpected InterruptedException");
597	+	}
598	+	}
599	+
600	+	/**
601	+	* Checks that future.get times out, with the default timeout of
602	+	* {@code timeoutMillis()}.
603	+	*/
604	+	void assertFutureTimesOut(Future future) {
605	+	assertFutureTimesOut(future, timeoutMillis());
606	+	}
607	+
608	+	/**
609	+	* Checks that future.get times out, with the given millisecond timeout.
610	+	*/
611	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
612	+	long startTime = System.nanoTime();
613	+	try {
614	+	future.get(timeoutMillis, MILLISECONDS);
615	+	shouldThrow();
616	+	} catch (TimeoutException success) {
617	+	} catch (Exception e) {
618	+	threadUnexpectedException(e);
619	+	} finally { future.cancel(true); }
620	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
621	+	}
622
623		/**
624		* Fails with message "should throw exception".
#	Line 530 | Line 671 | public class JSR166TestCase extends Test
671		SecurityManager sm = System.getSecurityManager();
672		if (sm == null) {
673		r.run();
674	+	}
675	+	runWithSecurityManagerWithPermissions(r, permissions);
676	+	}
677	+
678	+	/**
679	+	* Runs Runnable r with a security policy that permits precisely
680	+	* the specified permissions.  If there is no current security
681	+	* manager, a temporary one is set for the duration of the
682	+	* Runnable.  We require that any security manager permit
683	+	* getPolicy/setPolicy.
684	+	*/
685	+	public void runWithSecurityManagerWithPermissions(Runnable r,
686	+	Permission... permissions) {
687	+	SecurityManager sm = System.getSecurityManager();
688	+	if (sm == null) {
689		Policy savedPolicy = Policy.getPolicy();
690		try {
691		Policy.setPolicy(permissivePolicy());
692		System.setSecurityManager(new SecurityManager());
693	<	runWithPermissions(r, permissions);
693	>	runWithSecurityManagerWithPermissions(r, permissions);
694		} finally {
695		System.setSecurityManager(null);
696		Policy.setPolicy(savedPolicy);
#	Line 582 | Line 738 | public class JSR166TestCase extends Test
738		return perms.implies(p);
739		}
740		public void refresh() {}
741	+	public String toString() {
742	+	List<Permission> ps = new ArrayList<Permission>();
743	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
744	+	ps.add(e.nextElement());
745	+	return "AdjustablePolicy with permissions " + ps;
746	+	}
747		}
748
749		/**
#	Line 619 | Line 781 | public class JSR166TestCase extends Test
781		}
782
783		/**
784	<	* Sleeps until the timeout has elapsed, or interrupted.
623	<	* Does <em>NOT</em> throw InterruptedException.
624	<	*/
625	<	void sleepTillInterrupted(long timeoutMillis) {
626	<	try {
627	<	Thread.sleep(timeoutMillis);
628	<	} catch (InterruptedException wakeup) {}
629	<	}
630	<
631	<	/**
632	<	* Waits up to the specified number of milliseconds for the given
784	>	* Spin-waits up to the specified number of milliseconds for the given
785		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
786		*/
787		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
788	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
637	<	long t0 = System.nanoTime();
788	>	long startTime = System.nanoTime();
789		for (;;) {
790		Thread.State s = thread.getState();
791		if (s == Thread.State.BLOCKED ||
#	Line 643 | Line 794 | public class JSR166TestCase extends Test
794		return;
795		else if (s == Thread.State.TERMINATED)
796		fail("Unexpected thread termination");
797	<	else if (System.nanoTime() - t0 > timeoutNanos) {
797	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
798		threadAssertTrue(thread.isAlive());
799		return;
800		}
#	Line 689 | Line 840 | public class JSR166TestCase extends Test
840		} catch (InterruptedException ie) {
841		threadUnexpectedException(ie);
842		} finally {
843	<	if (t.isAlive()) {
843	>	if (t.getState() != Thread.State.TERMINATED) {
844		t.interrupt();
845		fail("Test timed out");
846		}
#	Line 767 | Line 918 | public class JSR166TestCase extends Test
918		realRun();
919		threadShouldThrow("InterruptedException");
920		} catch (InterruptedException success) {
921	+	threadAssertFalse(Thread.interrupted());
922		} catch (Throwable t) {
923		threadUnexpectedException(t);
924		}
#	Line 796 | Line 948 | public class JSR166TestCase extends Test
948		threadShouldThrow("InterruptedException");
949		return result;
950		} catch (InterruptedException success) {
951	+	threadAssertFalse(Thread.interrupted());
952		} catch (Throwable t) {
953		threadUnexpectedException(t);
954		}
#	Line 830 | Line 983 | public class JSR166TestCase extends Test
983		public Runnable awaiter(final CountDownLatch latch) {
984		return new CheckedRunnable() {
985		public void realRun() throws InterruptedException {
986	<	latch.await();
986	>	await(latch);
987		}};
988		}
989
990	+	public void await(CountDownLatch latch) {
991	+	try {
992	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
993	+	} catch (Throwable t) {
994	+	threadUnexpectedException(t);
995	+	}
996	+	}
997	+
998	+	public void await(Semaphore semaphore) {
999	+	try {
1000	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1001	+	} catch (Throwable t) {
1002	+	threadUnexpectedException(t);
1003	+	}
1004	+	}
1005	+
1006	+	//     /**
1007	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1008	+	//      */
1009	+	//     public void await(AtomicBoolean flag) {
1010	+	//         await(flag, LONG_DELAY_MS);
1011	+	//     }
1012	+
1013	+	//     /**
1014	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1015	+	//      */
1016	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1017	+	//         long startTime = System.nanoTime();
1018	+	//         while (!flag.get()) {
1019	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1020	+	//                 throw new AssertionFailedError("timed out");
1021	+	//             Thread.yield();
1022	+	//         }
1023	+	//     }
1024	+
1025		public static class NPETask implements Callable<String> {
1026		public String call() { throw new NullPointerException(); }
1027		}
#	Line 1036 | Line 1224 | public class JSR166TestCase extends Test
1224		}
1225
1226		/**
1227	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1228	<	* of throwing checked exceptions.
1227	>	* A CyclicBarrier that uses timed await and fails with
1228	>	* AssertionFailedErrors instead of throwing checked exceptions.
1229		*/
1230		public class CheckedBarrier extends CyclicBarrier {
1231		public CheckedBarrier(int parties) { super(parties); }
1232
1233		public int await() {
1234		try {
1235	<	return super.await();
1235	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1236	>	} catch (TimeoutException e) {
1237	>	throw new AssertionFailedError("timed out");
1238		} catch (Exception e) {
1239		AssertionFailedError afe =
1240		new AssertionFailedError("Unexpected exception: " + e);
#	Line 1054 | Line 1244 | public class JSR166TestCase extends Test
1244		}
1245		}
1246
1247	<	public void checkEmpty(BlockingQueue q) {
1247	>	void checkEmpty(BlockingQueue q) {
1248		try {
1249		assertTrue(q.isEmpty());
1250		assertEquals(0, q.size());
#	Line 1081 | Line 1271 | public class JSR166TestCase extends Test
1271		}
1272		}
1273
1274	+	void assertSerialEquals(Object x, Object y) {
1275	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1276	+	}
1277	+
1278	+	void assertNotSerialEquals(Object x, Object y) {
1279	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1280	+	}
1281	+
1282	+	byte[] serialBytes(Object o) {
1283	+	try {
1284	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1285	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1286	+	oos.writeObject(o);
1287	+	oos.flush();
1288	+	oos.close();
1289	+	return bos.toByteArray();
1290	+	} catch (Throwable t) {
1291	+	threadUnexpectedException(t);
1292	+	return new byte[0];
1293	+	}
1294	+	}
1295	+
1296	+	@SuppressWarnings("unchecked")
1297	+	<T> T serialClone(T o) {
1298	+	try {
1299	+	ObjectInputStream ois = new ObjectInputStream
1300	+	(new ByteArrayInputStream(serialBytes(o)));
1301	+	T clone = (T) ois.readObject();
1302	+	assertSame(o.getClass(), clone.getClass());
1303	+	return clone;
1304	+	} catch (Throwable t) {
1305	+	threadUnexpectedException(t);
1306	+	return null;
1307	+	}
1308	+	}
1309		}

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