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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.81 by jsr166, Sat May 21 06:24:33 2011 UTC vs.
Revision 1.97 by jsr166, Fri Feb 1 19:07:36 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 142 | 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 174 | 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 243 | 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 260 | Line 298 | public class JSR166TestCase extends Test
298		return 50;
299		}
300
263	–
301		/**
302		* Sets delays as multiples of SHORT_DELAY.
303		*/
#	Line 284 | Line 321 | public class JSR166TestCase extends Test
321		* milliseconds in the future.
322		*/
323		Date delayedDate(long delayMillis) {
324	<	return new Date(new Date().getTime() + delayMillis);
324	>	return new Date(System.currentTimeMillis() + delayMillis);
325		}
326
327		/**
#	Line 308 | 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 328 | 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 459 | 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		}
#	Line 501 | Line 545 | public class JSR166TestCase extends Test
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		*/
#	Line 522 | Line 576 | public class JSR166TestCase extends Test
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".
625		*/
626		public void shouldThrow() {
#	Line 572 | 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 624 | 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 661 | Line 781 | public class JSR166TestCase extends Test
781		}
782
783		/**
784	<	* 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;
669	<	long t0 = System.nanoTime();
788	>	long startTime = System.nanoTime();
789		for (;;) {
790		Thread.State s = thread.getState();
791		if (s == Thread.State.BLOCKED ||
#	Line 675 | 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 721 | 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 876 | Line 995 | public class JSR166TestCase extends Test
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		//      */
#	Line 1097 | 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 1142 | Line 1271 | public class JSR166TestCase extends Test
1271		}
1272		}
1273
1274	<	@SuppressWarnings("unchecked")
1275	<	<T> T serialClone(T o) {
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	<	ByteArrayInputStream bin =
1290	<	new ByteArrayInputStream(bos.toByteArray());
1291	<	ObjectInputStream ois = new ObjectInputStream(bin);
1292	<	return (T) ois.readObject();
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;

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