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 1.100 by jsr166, Wed Feb 6 16:55:50 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 140 | 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 172 | Line 182 | public class JSR166TestCase extends Test
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.
217		*/
218		public static Test suite() {
219	<	return newTestSuite(
219	>	// Java7+ test classes
220	>	TestSuite suite = newTestSuite(
221		ForkJoinPoolTest.suite(),
222		ForkJoinTaskTest.suite(),
223		RecursiveActionTest.suite(),
#	Line 241 | Line 282 | public class JSR166TestCase extends Test
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		}
297
298
#	Line 258 | Line 310 | public class JSR166TestCase extends Test
310		return 50;
311		}
312
261	–
313		/**
314		* Sets delays as multiples of SHORT_DELAY.
315		*/
#	Line 270 | Line 321 | public class JSR166TestCase extends Test
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	+	/**
340		* The first exception encountered if any threadAssertXXX method fails.
341		*/
342		private final AtomicReference<Throwable> threadFailure
#	Line 290 | 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.getAndSet(null);
#	Line 310 | 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	+	checkForkJoinPoolThreadLeaks();
389		}
390
391		/**
392	+	* Find missing try { ... } finally { joinPool(e); }
393	+	*/
394	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
395	+	Thread[] survivors = new Thread[5];
396	+	int count = Thread.enumerate(survivors);
397	+	for (int i = 0; i < count; i++) {
398	+	Thread thread = survivors[i];
399	+	String name = thread.getName();
400	+	if (name.startsWith("ForkJoinPool-")) {
401	+	// give thread some time to terminate
402	+	thread.join(LONG_DELAY_MS);
403	+	if (!thread.isAlive()) continue;
404	+	thread.stop();
405	+	throw new AssertionFailedError
406	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
407	+	toString(), name));
408	+	}
409	+	}
410	+	}
411	+
412	+	/**
413		* Just like fail(reason), but additionally recording (using
414		* threadRecordFailure) any AssertionFailedError thrown, so that
415		* the current testcase will fail.
#	Line 441 | Line 538 | public class JSR166TestCase extends Test
538		else {
539		AssertionFailedError afe =
540		new AssertionFailedError("unexpected exception: " + t);
541	<	t.initCause(t);
541	>	afe.initCause(t);
542		throw afe;
543		}
544		}
545
546		/**
547	<	* Delays, via Thread.sleep for the given millisecond delay, but
547	>	* Delays, via Thread.sleep, for the given millisecond delay, but
548		* if the sleep is shorter than specified, may re-sleep or yield
549		* until time elapses.
550		*/
551	<	public static void delay(long millis) throws InterruptedException {
551	>	static void delay(long millis) throws InterruptedException {
552		long startTime = System.nanoTime();
553		long ns = millis * 1000 * 1000;
554		for (;;) {
#	Line 470 | Line 567 | public class JSR166TestCase extends Test
567		/**
568		* Waits out termination of a thread pool or fails doing so.
569		*/
570	<	public void joinPool(ExecutorService exec) {
570	>	void joinPool(ExecutorService exec) {
571		try {
572		exec.shutdown();
573		assertTrue("ExecutorService did not terminate in a timely manner",
#	Line 483 | Line 580 | public class JSR166TestCase extends Test
580		}
581
582		/**
583	+	* A debugging tool to print all stack traces, as jstack does.
584	+	*/
585	+	static void printAllStackTraces() {
586	+	for (ThreadInfo info :
587	+	ManagementFactory.getThreadMXBean()
588	+	.dumpAllThreads(true, true))
589	+	System.err.print(info);
590	+	}
591	+
592	+	/**
593	+	* Checks that thread does not terminate within the default
594	+	* millisecond delay of {@code timeoutMillis()}.
595	+	*/
596	+	void assertThreadStaysAlive(Thread thread) {
597	+	assertThreadStaysAlive(thread, timeoutMillis());
598	+	}
599	+
600	+	/**
601		* Checks that thread does not terminate within the given millisecond delay.
602		*/
603	<	public void assertThreadStaysAlive(Thread thread, long millis) {
603	>	void assertThreadStaysAlive(Thread thread, long millis) {
604		try {
605		// No need to optimize the failing case via Thread.join.
606		delay(millis);
#	Line 496 | Line 611 | public class JSR166TestCase extends Test
611		}
612
613		/**
614	+	* Checks that the threads do not terminate within the default
615	+	* millisecond delay of {@code timeoutMillis()}.
616	+	*/
617	+	void assertThreadsStayAlive(Thread... threads) {
618	+	assertThreadsStayAlive(timeoutMillis(), threads);
619	+	}
620	+
621	+	/**
622	+	* Checks that the threads do not terminate within the given millisecond delay.
623	+	*/
624	+	void assertThreadsStayAlive(long millis, Thread... threads) {
625	+	try {
626	+	// No need to optimize the failing case via Thread.join.
627	+	delay(millis);
628	+	for (Thread thread : threads)
629	+	assertTrue(thread.isAlive());
630	+	} catch (InterruptedException ie) {
631	+	fail("Unexpected InterruptedException");
632	+	}
633	+	}
634	+
635	+	/**
636	+	* Checks that future.get times out, with the default timeout of
637	+	* {@code timeoutMillis()}.
638	+	*/
639	+	void assertFutureTimesOut(Future future) {
640	+	assertFutureTimesOut(future, timeoutMillis());
641	+	}
642	+
643	+	/**
644	+	* Checks that future.get times out, with the given millisecond timeout.
645	+	*/
646	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
647	+	long startTime = System.nanoTime();
648	+	try {
649	+	future.get(timeoutMillis, MILLISECONDS);
650	+	shouldThrow();
651	+	} catch (TimeoutException success) {
652	+	} catch (Exception e) {
653	+	threadUnexpectedException(e);
654	+	} finally { future.cancel(true); }
655	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
656	+	}
657	+
658	+	/**
659		* Fails with message "should throw exception".
660		*/
661		public void shouldThrow() {
#	Line 546 | Line 706 | public class JSR166TestCase extends Test
706		SecurityManager sm = System.getSecurityManager();
707		if (sm == null) {
708		r.run();
709	+	}
710	+	runWithSecurityManagerWithPermissions(r, permissions);
711	+	}
712	+
713	+	/**
714	+	* Runs Runnable r with a security policy that permits precisely
715	+	* the specified permissions.  If there is no current security
716	+	* manager, a temporary one is set for the duration of the
717	+	* Runnable.  We require that any security manager permit
718	+	* getPolicy/setPolicy.
719	+	*/
720	+	public void runWithSecurityManagerWithPermissions(Runnable r,
721	+	Permission... permissions) {
722	+	SecurityManager sm = System.getSecurityManager();
723	+	if (sm == null) {
724		Policy savedPolicy = Policy.getPolicy();
725		try {
726		Policy.setPolicy(permissivePolicy());
727		System.setSecurityManager(new SecurityManager());
728	<	runWithPermissions(r, permissions);
728	>	runWithSecurityManagerWithPermissions(r, permissions);
729		} finally {
730		System.setSecurityManager(null);
731		Policy.setPolicy(savedPolicy);
#	Line 598 | Line 773 | public class JSR166TestCase extends Test
773		return perms.implies(p);
774		}
775		public void refresh() {}
776	+	public String toString() {
777	+	List<Permission> ps = new ArrayList<Permission>();
778	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
779	+	ps.add(e.nextElement());
780	+	return "AdjustablePolicy with permissions " + ps;
781	+	}
782		}
783
784		/**
#	Line 635 | Line 816 | public class JSR166TestCase extends Test
816		}
817
818		/**
819	<	* 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
819	>	* Spin-waits up to the specified number of milliseconds for the given
820		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
821		*/
822		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
823	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
653	<	long t0 = System.nanoTime();
823	>	long startTime = System.nanoTime();
824		for (;;) {
825		Thread.State s = thread.getState();
826		if (s == Thread.State.BLOCKED ||
#	Line 659 | Line 829 | public class JSR166TestCase extends Test
829		return;
830		else if (s == Thread.State.TERMINATED)
831		fail("Unexpected thread termination");
832	<	else if (System.nanoTime() - t0 > timeoutNanos) {
832	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
833		threadAssertTrue(thread.isAlive());
834		return;
835		}
#	Line 705 | Line 875 | public class JSR166TestCase extends Test
875		} catch (InterruptedException ie) {
876		threadUnexpectedException(ie);
877		} finally {
878	<	if (t.isAlive()) {
878	>	if (t.getState() != Thread.State.TERMINATED) {
879		t.interrupt();
880		fail("Test timed out");
881		}
#	Line 783 | Line 953 | public class JSR166TestCase extends Test
953		realRun();
954		threadShouldThrow("InterruptedException");
955		} catch (InterruptedException success) {
956	+	threadAssertFalse(Thread.interrupted());
957		} catch (Throwable t) {
958		threadUnexpectedException(t);
959		}
#	Line 812 | Line 983 | public class JSR166TestCase extends Test
983		threadShouldThrow("InterruptedException");
984		return result;
985		} catch (InterruptedException success) {
986	+	threadAssertFalse(Thread.interrupted());
987		} catch (Throwable t) {
988		threadUnexpectedException(t);
989		}
#	Line 858 | Line 1030 | public class JSR166TestCase extends Test
1030		}
1031		}
1032
1033	+	public void await(Semaphore semaphore) {
1034	+	try {
1035	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1036	+	} catch (Throwable t) {
1037	+	threadUnexpectedException(t);
1038	+	}
1039	+	}
1040	+
1041	+	//     /**
1042	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1043	+	//      */
1044	+	//     public void await(AtomicBoolean flag) {
1045	+	//         await(flag, LONG_DELAY_MS);
1046	+	//     }
1047	+
1048	+	//     /**
1049	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1050	+	//      */
1051	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1052	+	//         long startTime = System.nanoTime();
1053	+	//         while (!flag.get()) {
1054	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1055	+	//                 throw new AssertionFailedError("timed out");
1056	+	//             Thread.yield();
1057	+	//         }
1058	+	//     }
1059	+
1060		public static class NPETask implements Callable<String> {
1061		public String call() { throw new NullPointerException(); }
1062		}
#	Line 1060 | Line 1259 | public class JSR166TestCase extends Test
1259		}
1260
1261		/**
1262	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1263	<	* of throwing checked exceptions.
1262	>	* A CyclicBarrier that uses timed await and fails with
1263	>	* AssertionFailedErrors instead of throwing checked exceptions.
1264		*/
1265		public class CheckedBarrier extends CyclicBarrier {
1266		public CheckedBarrier(int parties) { super(parties); }
1267
1268		public int await() {
1269		try {
1270	<	return super.await();
1270	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1271	>	} catch (TimeoutException e) {
1272	>	throw new AssertionFailedError("timed out");
1273		} catch (Exception e) {
1274		AssertionFailedError afe =
1275		new AssertionFailedError("Unexpected exception: " + e);
#	Line 1078 | Line 1279 | public class JSR166TestCase extends Test
1279		}
1280		}
1281
1282	<	public void checkEmpty(BlockingQueue q) {
1282	>	void checkEmpty(BlockingQueue q) {
1283		try {
1284		assertTrue(q.isEmpty());
1285		assertEquals(0, q.size());
#	Line 1105 | Line 1306 | public class JSR166TestCase extends Test
1306		}
1307		}
1308
1309	<	@SuppressWarnings("unchecked")
1310	<	public <T> T serialClone(T o) {
1309	>	void assertSerialEquals(Object x, Object y) {
1310	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1311	>	}
1312	>
1313	>	void assertNotSerialEquals(Object x, Object y) {
1314	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1315	>	}
1316	>
1317	>	byte[] serialBytes(Object o) {
1318		try {
1319		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1320		ObjectOutputStream oos = new ObjectOutputStream(bos);
1321		oos.writeObject(o);
1322		oos.flush();
1323		oos.close();
1324	<	ByteArrayInputStream bin =
1325	<	new ByteArrayInputStream(bos.toByteArray());
1326	<	ObjectInputStream ois = new ObjectInputStream(bin);
1327	<	return (T) ois.readObject();
1324	>	return bos.toByteArray();
1325	>	} catch (Throwable t) {
1326	>	threadUnexpectedException(t);
1327	>	return new byte[0];
1328	>	}
1329	>	}
1330	>
1331	>	@SuppressWarnings("unchecked")
1332	>	<T> T serialClone(T o) {
1333	>	try {
1334	>	ObjectInputStream ois = new ObjectInputStream
1335	>	(new ByteArrayInputStream(serialBytes(o)));
1336	>	T clone = (T) ois.readObject();
1337	>	assertSame(o.getClass(), clone.getClass());
1338	>	return clone;
1339		} catch (Throwable t) {
1340		threadUnexpectedException(t);
1341		return null;

Diff Legend

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