ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.80 by jsr166, Fri May 13 21:48:58 2011 UTC vs.
Revision 1.108 by jsr166, Mon Jun 3 18:20:05 2013 UTC

#	Line 11 | Line 11 | 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 67 | 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 120 | Line 128 | public class JSR166TestCase extends Test
128		private static final long profileThreshold =
129		Long.getLong("jsr166.profileThreshold", 100);
130
131	+	/**
132	+	* The number of repetitions per test (for tickling rare bugs).
133	+	*/
134	+	private static final int runsPerTest =
135	+	Integer.getInteger("jsr166.runsPerTest", 1);
136	+
137		protected void runTest() throws Throwable {
138	<	if (profileTests)
139	<	runTestProfiled();
140	<	else
141	<	super.runTest();
138	>	for (int i = 0; i < runsPerTest; i++) {
139	>	if (profileTests)
140	>	runTestProfiled();
141	>	else
142	>	super.runTest();
143	>	}
144		}
145
146		protected void runTestProfiled() throws Throwable {
#	Line 140 | Line 156 | public class JSR166TestCase extends Test
156		}
157
158		/**
159	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
159	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
160	>	* Optional command line arg provides the number of iterations to
161	>	* repeat running the tests.
162		*/
163		public static void main(String[] args) {
164		if (useSecurityManager) {
#	Line 172 | Line 190 | public class JSR166TestCase extends Test
190		return suite;
191		}
192
193	+	public static void addNamedTestClasses(TestSuite suite,
194	+	String... testClassNames) {
195	+	for (String testClassName : testClassNames) {
196	+	try {
197	+	Class<?> testClass = Class.forName(testClassName);
198	+	Method m = testClass.getDeclaredMethod("suite",
199	+	new Class<?>[0]);
200	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
201	+	} catch (Exception e) {
202	+	throw new Error("Missing test class", e);
203	+	}
204	+	}
205	+	}
206	+
207	+	public static final double JAVA_CLASS_VERSION;
208	+	static {
209	+	try {
210	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
211	+	new java.security.PrivilegedAction<Double>() {
212	+	public Double run() {
213	+	return Double.valueOf(System.getProperty("java.class.version"));}});
214	+	} catch (Throwable t) {
215	+	throw new Error(t);
216	+	}
217	+	}
218	+
219	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
220	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
221	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
222	+
223		/**
224		* Collects all JSR166 unit tests as one suite.
225		*/
226		public static Test suite() {
227	<	return newTestSuite(
227	>	// Java7+ test classes
228	>	TestSuite suite = newTestSuite(
229		ForkJoinPoolTest.suite(),
230		ForkJoinTaskTest.suite(),
231		RecursiveActionTest.suite(),
#	Line 241 | Line 290 | public class JSR166TestCase extends Test
290		TreeSetTest.suite(),
291		TreeSubMapTest.suite(),
292		TreeSubSetTest.suite());
293	+
294	+	// Java8+ test classes
295	+	if (atLeastJava8()) {
296	+	String[] java8TestClassNames = {
297	+	"CompletableFutureTest",
298	+	"ConcurrentHashMap8Test",
299	+	"CountedCompleterTest",
300	+	"DoubleAccumulatorTest",
301	+	"DoubleAdderTest",
302	+	"ForkJoinPool8Test",
303	+	"LongAccumulatorTest",
304	+	"LongAdderTest",
305	+	"StampedLockTest",
306	+	};
307	+	addNamedTestClasses(suite, java8TestClassNames);
308	+	}
309	+
310	+	return suite;
311		}
312
313
#	Line 258 | Line 325 | public class JSR166TestCase extends Test
325		return 50;
326		}
327
261	–
328		/**
329		* Sets delays as multiples of SHORT_DELAY.
330		*/
#	Line 270 | Line 336 | public class JSR166TestCase extends Test
336		}
337
338		/**
339	+	* Returns a timeout in milliseconds to be used in tests that
340	+	* verify that operations block or time out.
341	+	*/
342	+	long timeoutMillis() {
343	+	return SHORT_DELAY_MS / 4;
344	+	}
345	+
346	+	/**
347	+	* Returns a new Date instance representing a time delayMillis
348	+	* milliseconds in the future.
349	+	*/
350	+	Date delayedDate(long delayMillis) {
351	+	return new Date(System.currentTimeMillis() + delayMillis);
352	+	}
353	+
354	+	/**
355		* The first exception encountered if any threadAssertXXX method fails.
356		*/
357		private final AtomicReference<Throwable> threadFailure
#	Line 290 | Line 372 | public class JSR166TestCase extends Test
372		}
373
374		/**
375	+	* Extra checks that get done for all test cases.
376	+	*
377		* Triggers test case failure if any thread assertions have failed,
378		* by rethrowing, in the test harness thread, any exception recorded
379		* earlier by threadRecordFailure.
380	+	*
381	+	* Triggers test case failure if interrupt status is set in the main thread.
382		*/
383		public void tearDown() throws Exception {
384		Throwable t = threadFailure.getAndSet(null);
#	Line 310 | Line 396 | public class JSR166TestCase extends Test
396		throw afe;
397		}
398		}
399	+
400	+	if (Thread.interrupted())
401	+	throw new AssertionFailedError("interrupt status set in main thread");
402	+
403	+	checkForkJoinPoolThreadLeaks();
404	+	}
405	+
406	+	/**
407	+	* Find missing try { ... } finally { joinPool(e); }
408	+	*/
409	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
410	+	Thread[] survivors = new Thread[5];
411	+	int count = Thread.enumerate(survivors);
412	+	for (int i = 0; i < count; i++) {
413	+	Thread thread = survivors[i];
414	+	String name = thread.getName();
415	+	if (name.startsWith("ForkJoinPool-")) {
416	+	// give thread some time to terminate
417	+	thread.join(LONG_DELAY_MS);
418	+	if (!thread.isAlive()) continue;
419	+	thread.stop();
420	+	throw new AssertionFailedError
421	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
422	+	toString(), name));
423	+	}
424	+	}
425		}
426
427		/**
#	Line 441 | Line 553 | public class JSR166TestCase extends Test
553		else {
554		AssertionFailedError afe =
555		new AssertionFailedError("unexpected exception: " + t);
556	<	t.initCause(t);
556	>	afe.initCause(t);
557		throw afe;
558		}
559		}
560
561		/**
562	<	* Delays, via Thread.sleep for the given millisecond delay, but
562	>	* Delays, via Thread.sleep, for the given millisecond delay, but
563		* if the sleep is shorter than specified, may re-sleep or yield
564		* until time elapses.
565		*/
566	<	public static void delay(long millis) throws InterruptedException {
566	>	static void delay(long millis) throws InterruptedException {
567		long startTime = System.nanoTime();
568		long ns = millis * 1000 * 1000;
569		for (;;) {
#	Line 470 | Line 582 | public class JSR166TestCase extends Test
582		/**
583		* Waits out termination of a thread pool or fails doing so.
584		*/
585	<	public void joinPool(ExecutorService exec) {
585	>	void joinPool(ExecutorService exec) {
586		try {
587		exec.shutdown();
588		assertTrue("ExecutorService did not terminate in a timely manner",
#	Line 483 | Line 595 | public class JSR166TestCase extends Test
595		}
596
597		/**
598	+	* A debugging tool to print all stack traces, as jstack does.
599	+	*/
600	+	static void printAllStackTraces() {
601	+	for (ThreadInfo info :
602	+	ManagementFactory.getThreadMXBean()
603	+	.dumpAllThreads(true, true))
604	+	System.err.print(info);
605	+	}
606	+
607	+	/**
608	+	* Checks that thread does not terminate within the default
609	+	* millisecond delay of {@code timeoutMillis()}.
610	+	*/
611	+	void assertThreadStaysAlive(Thread thread) {
612	+	assertThreadStaysAlive(thread, timeoutMillis());
613	+	}
614	+
615	+	/**
616		* Checks that thread does not terminate within the given millisecond delay.
617		*/
618	<	public void assertThreadStaysAlive(Thread thread, long millis) {
618	>	void assertThreadStaysAlive(Thread thread, long millis) {
619		try {
620		// No need to optimize the failing case via Thread.join.
621		delay(millis);
#	Line 496 | Line 626 | public class JSR166TestCase extends Test
626		}
627
628		/**
629	+	* Checks that the threads do not terminate within the default
630	+	* millisecond delay of {@code timeoutMillis()}.
631	+	*/
632	+	void assertThreadsStayAlive(Thread... threads) {
633	+	assertThreadsStayAlive(timeoutMillis(), threads);
634	+	}
635	+
636	+	/**
637	+	* Checks that the threads do not terminate within the given millisecond delay.
638	+	*/
639	+	void assertThreadsStayAlive(long millis, Thread... threads) {
640	+	try {
641	+	// No need to optimize the failing case via Thread.join.
642	+	delay(millis);
643	+	for (Thread thread : threads)
644	+	assertTrue(thread.isAlive());
645	+	} catch (InterruptedException ie) {
646	+	fail("Unexpected InterruptedException");
647	+	}
648	+	}
649	+
650	+	/**
651	+	* Checks that future.get times out, with the default timeout of
652	+	* {@code timeoutMillis()}.
653	+	*/
654	+	void assertFutureTimesOut(Future future) {
655	+	assertFutureTimesOut(future, timeoutMillis());
656	+	}
657	+
658	+	/**
659	+	* Checks that future.get times out, with the given millisecond timeout.
660	+	*/
661	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
662	+	long startTime = System.nanoTime();
663	+	try {
664	+	future.get(timeoutMillis, MILLISECONDS);
665	+	shouldThrow();
666	+	} catch (TimeoutException success) {
667	+	} catch (Exception e) {
668	+	threadUnexpectedException(e);
669	+	} finally { future.cancel(true); }
670	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
671	+	}
672	+
673	+	/**
674		* Fails with message "should throw exception".
675		*/
676		public void shouldThrow() {
#	Line 546 | Line 721 | public class JSR166TestCase extends Test
721		SecurityManager sm = System.getSecurityManager();
722		if (sm == null) {
723		r.run();
724	+	}
725	+	runWithSecurityManagerWithPermissions(r, permissions);
726	+	}
727	+
728	+	/**
729	+	* Runs Runnable r with a security policy that permits precisely
730	+	* the specified permissions.  If there is no current security
731	+	* manager, a temporary one is set for the duration of the
732	+	* Runnable.  We require that any security manager permit
733	+	* getPolicy/setPolicy.
734	+	*/
735	+	public void runWithSecurityManagerWithPermissions(Runnable r,
736	+	Permission... permissions) {
737	+	SecurityManager sm = System.getSecurityManager();
738	+	if (sm == null) {
739		Policy savedPolicy = Policy.getPolicy();
740		try {
741		Policy.setPolicy(permissivePolicy());
742		System.setSecurityManager(new SecurityManager());
743	<	runWithPermissions(r, permissions);
743	>	runWithSecurityManagerWithPermissions(r, permissions);
744		} finally {
745		System.setSecurityManager(null);
746		Policy.setPolicy(savedPolicy);
#	Line 598 | Line 788 | public class JSR166TestCase extends Test
788		return perms.implies(p);
789		}
790		public void refresh() {}
791	+	public String toString() {
792	+	List<Permission> ps = new ArrayList<Permission>();
793	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
794	+	ps.add(e.nextElement());
795	+	return "AdjustablePolicy with permissions " + ps;
796	+	}
797		}
798
799		/**
#	Line 635 | Line 831 | public class JSR166TestCase extends Test
831		}
832
833		/**
834	<	* Sleeps until the timeout has elapsed, or interrupted.
639	<	* Does <em>NOT</em> throw InterruptedException.
640	<	*/
641	<	void sleepTillInterrupted(long timeoutMillis) {
642	<	try {
643	<	Thread.sleep(timeoutMillis);
644	<	} catch (InterruptedException wakeup) {}
645	<	}
646	<
647	<	/**
648	<	* Waits up to the specified number of milliseconds for the given
834	>	* Spin-waits up to the specified number of milliseconds for the given
835		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
836		*/
837		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
838	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
653	<	long t0 = System.nanoTime();
838	>	long startTime = System.nanoTime();
839		for (;;) {
840		Thread.State s = thread.getState();
841		if (s == Thread.State.BLOCKED ||
#	Line 659 | Line 844 | public class JSR166TestCase extends Test
844		return;
845		else if (s == Thread.State.TERMINATED)
846		fail("Unexpected thread termination");
847	<	else if (System.nanoTime() - t0 > timeoutNanos) {
847	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
848		threadAssertTrue(thread.isAlive());
849		return;
850		}
#	Line 705 | Line 890 | public class JSR166TestCase extends Test
890		} catch (InterruptedException ie) {
891		threadUnexpectedException(ie);
892		} finally {
893	<	if (t.isAlive()) {
893	>	if (t.getState() != Thread.State.TERMINATED) {
894		t.interrupt();
895		fail("Test timed out");
896		}
#	Line 783 | Line 968 | public class JSR166TestCase extends Test
968		realRun();
969		threadShouldThrow("InterruptedException");
970		} catch (InterruptedException success) {
971	+	threadAssertFalse(Thread.interrupted());
972		} catch (Throwable t) {
973		threadUnexpectedException(t);
974		}
#	Line 812 | Line 998 | public class JSR166TestCase extends Test
998		threadShouldThrow("InterruptedException");
999		return result;
1000		} catch (InterruptedException success) {
1001	+	threadAssertFalse(Thread.interrupted());
1002		} catch (Throwable t) {
1003		threadUnexpectedException(t);
1004		}
#	Line 858 | Line 1045 | public class JSR166TestCase extends Test
1045		}
1046		}
1047
1048	+	public void await(Semaphore semaphore) {
1049	+	try {
1050	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1051	+	} catch (Throwable t) {
1052	+	threadUnexpectedException(t);
1053	+	}
1054	+	}
1055	+
1056	+	//     /**
1057	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1058	+	//      */
1059	+	//     public void await(AtomicBoolean flag) {
1060	+	//         await(flag, LONG_DELAY_MS);
1061	+	//     }
1062	+
1063	+	//     /**
1064	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1065	+	//      */
1066	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1067	+	//         long startTime = System.nanoTime();
1068	+	//         while (!flag.get()) {
1069	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1070	+	//                 throw new AssertionFailedError("timed out");
1071	+	//             Thread.yield();
1072	+	//         }
1073	+	//     }
1074	+
1075		public static class NPETask implements Callable<String> {
1076		public String call() { throw new NullPointerException(); }
1077		}
#	Line 1026 | Line 1240 | public class JSR166TestCase extends Test
1240		public abstract class CheckedRecursiveAction extends RecursiveAction {
1241		protected abstract void realCompute() throws Throwable;
1242
1243	<	public final void compute() {
1243	>	@Override protected final void compute() {
1244		try {
1245		realCompute();
1246		} catch (Throwable t) {
#	Line 1041 | Line 1255 | public class JSR166TestCase extends Test
1255		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1256		protected abstract T realCompute() throws Throwable;
1257
1258	<	public final T compute() {
1258	>	@Override protected final T compute() {
1259		try {
1260		return realCompute();
1261		} catch (Throwable t) {
#	Line 1060 | Line 1274 | public class JSR166TestCase extends Test
1274		}
1275
1276		/**
1277	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1278	<	* of throwing checked exceptions.
1277	>	* A CyclicBarrier that uses timed await and fails with
1278	>	* AssertionFailedErrors instead of throwing checked exceptions.
1279		*/
1280		public class CheckedBarrier extends CyclicBarrier {
1281		public CheckedBarrier(int parties) { super(parties); }
1282
1283		public int await() {
1284		try {
1285	<	return super.await();
1285	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1286	>	} catch (TimeoutException e) {
1287	>	throw new AssertionFailedError("timed out");
1288		} catch (Exception e) {
1289		AssertionFailedError afe =
1290		new AssertionFailedError("Unexpected exception: " + e);
#	Line 1078 | Line 1294 | public class JSR166TestCase extends Test
1294		}
1295		}
1296
1297	<	public void checkEmpty(BlockingQueue q) {
1297	>	void checkEmpty(BlockingQueue q) {
1298		try {
1299		assertTrue(q.isEmpty());
1300		assertEquals(0, q.size());
#	Line 1105 | Line 1321 | public class JSR166TestCase extends Test
1321		}
1322		}
1323
1324	<	@SuppressWarnings("unchecked")
1325	<	public <T> T serialClone(T o) {
1324	>	void assertSerialEquals(Object x, Object y) {
1325	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1326	>	}
1327	>
1328	>	void assertNotSerialEquals(Object x, Object y) {
1329	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1330	>	}
1331	>
1332	>	byte[] serialBytes(Object o) {
1333		try {
1334		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1335		ObjectOutputStream oos = new ObjectOutputStream(bos);
1336		oos.writeObject(o);
1337		oos.flush();
1338		oos.close();
1339	<	ByteArrayInputStream bin =
1340	<	new ByteArrayInputStream(bos.toByteArray());
1341	<	ObjectInputStream ois = new ObjectInputStream(bin);
1342	<	return (T) ois.readObject();
1339	>	return bos.toByteArray();
1340	>	} catch (Throwable t) {
1341	>	threadUnexpectedException(t);
1342	>	return new byte[0];
1343	>	}
1344	>	}
1345	>
1346	>	@SuppressWarnings("unchecked")
1347	>	<T> T serialClone(T o) {
1348	>	try {
1349	>	ObjectInputStream ois = new ObjectInputStream
1350	>	(new ByteArrayInputStream(serialBytes(o)));
1351	>	T clone = (T) ois.readObject();
1352	>	assertSame(o.getClass(), clone.getClass());
1353	>	return clone;
1354		} catch (Throwable t) {
1355		threadUnexpectedException(t);
1356		return null;
1357		}
1358		}
1359	+
1360	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1361	+	Runnable... throwingActions) {
1362	+	for (Runnable throwingAction : throwingActions) {
1363	+	boolean threw = false;
1364	+	try { throwingAction.run(); }
1365	+	catch (Throwable t) {
1366	+	threw = true;
1367	+	if (!expectedExceptionClass.isInstance(t)) {
1368	+	AssertionFailedError afe =
1369	+	new AssertionFailedError
1370	+	("Expected " + expectedExceptionClass.getName() +
1371	+	", got " + t.getClass().getName());
1372	+	afe.initCause(t);
1373	+	threadUnexpectedException(afe);
1374	+	}
1375	+	}
1376	+	if (!threw)
1377	+	shouldThrow(expectedExceptionClass.getName());
1378	+	}
1379	+	}
1380		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines