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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.82 by jsr166, Tue May 24 23:34:03 2011 UTC vs.
Revision 1.113 by dl, Sun Sep 8 23:00:36 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.*;
#	Line 69 | 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 122 | 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 142 | 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 174 | 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 243 | 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	+	"Atomic8Test",
298	+	"CompletableFutureTest",
299	+	"ConcurrentHashMap8Test",
300	+	"CountedCompleterTest",
301	+	"DoubleAccumulatorTest",
302	+	"DoubleAdderTest",
303	+	"ForkJoinPool8Test",
304	+	"ForkJoinTask8Test",
305	+	"LongAccumulatorTest",
306	+	"LongAdderTest",
307	+	"SplittableRandomTest",
308	+	"StampedLockTest",
309	+	"ThreadLocalRandom8Test",
310	+	};
311	+	addNamedTestClasses(suite, java8TestClassNames);
312	+	}
313	+
314	+	return suite;
315		}
316
317	+	// Delays for timing-dependent tests, in milliseconds.
318
319		public static long SHORT_DELAY_MS;
320		public static long SMALL_DELAY_MS;
321		public static long MEDIUM_DELAY_MS;
322		public static long LONG_DELAY_MS;
323
254	–
324		/**
325		* Returns the shortest timed delay. This could
326		* be reimplemented to use for example a Property.
#	Line 260 | Line 329 | public class JSR166TestCase extends Test
329		return 50;
330		}
331
263	–
332		/**
333		* Sets delays as multiples of SHORT_DELAY.
334		*/
#	Line 284 | Line 352 | public class JSR166TestCase extends Test
352		* milliseconds in the future.
353		*/
354		Date delayedDate(long delayMillis) {
355	<	return new Date(new Date().getTime() + delayMillis);
355	>	return new Date(System.currentTimeMillis() + delayMillis);
356		}
357
358		/**
#	Line 308 | Line 376 | public class JSR166TestCase extends Test
376		}
377
378		/**
379	+	* Extra checks that get done for all test cases.
380	+	*
381		* Triggers test case failure if any thread assertions have failed,
382		* by rethrowing, in the test harness thread, any exception recorded
383		* earlier by threadRecordFailure.
384	+	*
385	+	* Triggers test case failure if interrupt status is set in the main thread.
386		*/
387		public void tearDown() throws Exception {
388		Throwable t = threadFailure.getAndSet(null);
#	Line 328 | Line 400 | public class JSR166TestCase extends Test
400		throw afe;
401		}
402		}
403	+
404	+	if (Thread.interrupted())
405	+	throw new AssertionFailedError("interrupt status set in main thread");
406	+
407	+	checkForkJoinPoolThreadLeaks();
408	+	}
409	+
410	+	/**
411	+	* Find missing try { ... } finally { joinPool(e); }
412	+	*/
413	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
414	+	Thread[] survivors = new Thread[5];
415	+	int count = Thread.enumerate(survivors);
416	+	for (int i = 0; i < count; i++) {
417	+	Thread thread = survivors[i];
418	+	String name = thread.getName();
419	+	if (name.startsWith("ForkJoinPool-")) {
420	+	// give thread some time to terminate
421	+	thread.join(LONG_DELAY_MS);
422	+	if (!thread.isAlive()) continue;
423	+	thread.stop();
424	+	throw new AssertionFailedError
425	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
426	+	toString(), name));
427	+	}
428	+	}
429		}
430
431		/**
#	Line 501 | Line 599 | public class JSR166TestCase extends Test
599		}
600
601		/**
602	+	* A debugging tool to print all stack traces, as jstack does.
603	+	*/
604	+	static void printAllStackTraces() {
605	+	for (ThreadInfo info :
606	+	ManagementFactory.getThreadMXBean()
607	+	.dumpAllThreads(true, true))
608	+	System.err.print(info);
609	+	}
610	+
611	+	/**
612		* Checks that thread does not terminate within the default
613		* millisecond delay of {@code timeoutMillis()}.
614		*/
#	Line 522 | Line 630 | public class JSR166TestCase extends Test
630		}
631
632		/**
633	+	* Checks that the threads do not terminate within the default
634	+	* millisecond delay of {@code timeoutMillis()}.
635	+	*/
636	+	void assertThreadsStayAlive(Thread... threads) {
637	+	assertThreadsStayAlive(timeoutMillis(), threads);
638	+	}
639	+
640	+	/**
641	+	* Checks that the threads do not terminate within the given millisecond delay.
642	+	*/
643	+	void assertThreadsStayAlive(long millis, Thread... threads) {
644	+	try {
645	+	// No need to optimize the failing case via Thread.join.
646	+	delay(millis);
647	+	for (Thread thread : threads)
648	+	assertTrue(thread.isAlive());
649	+	} catch (InterruptedException ie) {
650	+	fail("Unexpected InterruptedException");
651	+	}
652	+	}
653	+
654	+	/**
655	+	* Checks that future.get times out, with the default timeout of
656	+	* {@code timeoutMillis()}.
657	+	*/
658	+	void assertFutureTimesOut(Future future) {
659	+	assertFutureTimesOut(future, timeoutMillis());
660	+	}
661	+
662	+	/**
663	+	* Checks that future.get times out, with the given millisecond timeout.
664	+	*/
665	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
666	+	long startTime = System.nanoTime();
667	+	try {
668	+	future.get(timeoutMillis, MILLISECONDS);
669	+	shouldThrow();
670	+	} catch (TimeoutException success) {
671	+	} catch (Exception e) {
672	+	threadUnexpectedException(e);
673	+	} finally { future.cancel(true); }
674	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
675	+	}
676	+
677	+	/**
678		* Fails with message "should throw exception".
679		*/
680		public void shouldThrow() {
#	Line 560 | Line 713 | public class JSR166TestCase extends Test
713		public static final Integer m6  = new Integer(-6);
714		public static final Integer m10 = new Integer(-10);
715
563	–
716		/**
717		* Runs Runnable r with a security policy that permits precisely
718		* the specified permissions.  If there is no current security
#	Line 572 | Line 724 | public class JSR166TestCase extends Test
724		SecurityManager sm = System.getSecurityManager();
725		if (sm == null) {
726		r.run();
727	+	}
728	+	runWithSecurityManagerWithPermissions(r, permissions);
729	+	}
730	+
731	+	/**
732	+	* Runs Runnable r with a security policy that permits precisely
733	+	* the specified permissions.  If there is no current security
734	+	* manager, a temporary one is set for the duration of the
735	+	* Runnable.  We require that any security manager permit
736	+	* getPolicy/setPolicy.
737	+	*/
738	+	public void runWithSecurityManagerWithPermissions(Runnable r,
739	+	Permission... permissions) {
740	+	SecurityManager sm = System.getSecurityManager();
741	+	if (sm == null) {
742		Policy savedPolicy = Policy.getPolicy();
743		try {
744		Policy.setPolicy(permissivePolicy());
745		System.setSecurityManager(new SecurityManager());
746	<	runWithPermissions(r, permissions);
746	>	runWithSecurityManagerWithPermissions(r, permissions);
747		} finally {
748		System.setSecurityManager(null);
749		Policy.setPolicy(savedPolicy);
#	Line 624 | Line 791 | public class JSR166TestCase extends Test
791		return perms.implies(p);
792		}
793		public void refresh() {}
794	+	public String toString() {
795	+	List<Permission> ps = new ArrayList<Permission>();
796	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
797	+	ps.add(e.nextElement());
798	+	return "AdjustablePolicy with permissions " + ps;
799	+	}
800		}
801
802		/**
#	Line 661 | Line 834 | public class JSR166TestCase extends Test
834		}
835
836		/**
837	<	* Waits up to the specified number of milliseconds for the given
837	>	* Spin-waits up to the specified number of milliseconds for the given
838		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
839		*/
840		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
841	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
669	<	long t0 = System.nanoTime();
841	>	long startTime = System.nanoTime();
842		for (;;) {
843		Thread.State s = thread.getState();
844		if (s == Thread.State.BLOCKED ||
#	Line 675 | Line 847 | public class JSR166TestCase extends Test
847		return;
848		else if (s == Thread.State.TERMINATED)
849		fail("Unexpected thread termination");
850	<	else if (System.nanoTime() - t0 > timeoutNanos) {
850	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
851		threadAssertTrue(thread.isAlive());
852		return;
853		}
#	Line 721 | Line 893 | public class JSR166TestCase extends Test
893		} catch (InterruptedException ie) {
894		threadUnexpectedException(ie);
895		} finally {
896	<	if (t.isAlive()) {
896	>	if (t.getState() != Thread.State.TERMINATED) {
897		t.interrupt();
898		fail("Test timed out");
899		}
#	Line 876 | Line 1048 | public class JSR166TestCase extends Test
1048		}
1049		}
1050
1051	+	public void await(Semaphore semaphore) {
1052	+	try {
1053	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1054	+	} catch (Throwable t) {
1055	+	threadUnexpectedException(t);
1056	+	}
1057	+	}
1058	+
1059		//     /**
1060		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1061		//      */
#	Line 1063 | Line 1243 | public class JSR166TestCase extends Test
1243		public abstract class CheckedRecursiveAction extends RecursiveAction {
1244		protected abstract void realCompute() throws Throwable;
1245
1246	<	public final void compute() {
1246	>	@Override protected final void compute() {
1247		try {
1248		realCompute();
1249		} catch (Throwable t) {
#	Line 1078 | Line 1258 | public class JSR166TestCase extends Test
1258		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1259		protected abstract T realCompute() throws Throwable;
1260
1261	<	public final T compute() {
1261	>	@Override protected final T compute() {
1262		try {
1263		return realCompute();
1264		} catch (Throwable t) {
#	Line 1097 | Line 1277 | public class JSR166TestCase extends Test
1277		}
1278
1279		/**
1280	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1281	<	* of throwing checked exceptions.
1280	>	* A CyclicBarrier that uses timed await and fails with
1281	>	* AssertionFailedErrors instead of throwing checked exceptions.
1282		*/
1283		public class CheckedBarrier extends CyclicBarrier {
1284		public CheckedBarrier(int parties) { super(parties); }
1285
1286		public int await() {
1287		try {
1288	<	return super.await();
1288	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1289	>	} catch (TimeoutException e) {
1290	>	throw new AssertionFailedError("timed out");
1291		} catch (Exception e) {
1292		AssertionFailedError afe =
1293		new AssertionFailedError("Unexpected exception: " + e);
#	Line 1142 | Line 1324 | public class JSR166TestCase extends Test
1324		}
1325		}
1326
1327	<	@SuppressWarnings("unchecked")
1328	<	<T> T serialClone(T o) {
1327	>	void assertSerialEquals(Object x, Object y) {
1328	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1329	>	}
1330	>
1331	>	void assertNotSerialEquals(Object x, Object y) {
1332	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1333	>	}
1334	>
1335	>	byte[] serialBytes(Object o) {
1336		try {
1337		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1338		ObjectOutputStream oos = new ObjectOutputStream(bos);
1339		oos.writeObject(o);
1340		oos.flush();
1341		oos.close();
1342	<	ByteArrayInputStream bin =
1343	<	new ByteArrayInputStream(bos.toByteArray());
1344	<	ObjectInputStream ois = new ObjectInputStream(bin);
1345	<	return (T) ois.readObject();
1342	>	return bos.toByteArray();
1343	>	} catch (Throwable t) {
1344	>	threadUnexpectedException(t);
1345	>	return new byte[0];
1346	>	}
1347	>	}
1348	>
1349	>	@SuppressWarnings("unchecked")
1350	>	<T> T serialClone(T o) {
1351	>	try {
1352	>	ObjectInputStream ois = new ObjectInputStream
1353	>	(new ByteArrayInputStream(serialBytes(o)));
1354	>	T clone = (T) ois.readObject();
1355	>	assertSame(o.getClass(), clone.getClass());
1356	>	return clone;
1357		} catch (Throwable t) {
1358		threadUnexpectedException(t);
1359		return null;
1360		}
1361		}
1362	+
1363	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1364	+	Runnable... throwingActions) {
1365	+	for (Runnable throwingAction : throwingActions) {
1366	+	boolean threw = false;
1367	+	try { throwingAction.run(); }
1368	+	catch (Throwable t) {
1369	+	threw = true;
1370	+	if (!expectedExceptionClass.isInstance(t)) {
1371	+	AssertionFailedError afe =
1372	+	new AssertionFailedError
1373	+	("Expected " + expectedExceptionClass.getName() +
1374	+	", got " + t.getClass().getName());
1375	+	afe.initCause(t);
1376	+	threadUnexpectedException(afe);
1377	+	}
1378	+	}
1379	+	if (!threw)
1380	+	shouldThrow(expectedExceptionClass.getName());
1381	+	}
1382	+	}
1383		}

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