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 1.69 by dl, Fri Nov 19 00:20:12 2010 UTC vs.
Revision 1.87 by jsr166, Mon May 30 22:53:21 2011 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
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.util.Arrays;
15	+	import java.util.Date;
16	+	import java.util.NoSuchElementException;
17		import java.util.PropertyPermission;
18		import java.util.concurrent.*;
19	+	import java.util.concurrent.atomic.AtomicBoolean;
20		import java.util.concurrent.atomic.AtomicReference;
21		import static java.util.concurrent.TimeUnit.MILLISECONDS;
22		import static java.util.concurrent.TimeUnit.NANOSECONDS;
#	Line 252 | Line 260 | public class JSR166TestCase extends Test
260		return 50;
261		}
262
255	–
263		/**
264		* Sets delays as multiples of SHORT_DELAY.
265		*/
#	Line 260 | Line 267 | public class JSR166TestCase extends Test
267		SHORT_DELAY_MS = getShortDelay();
268		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
269		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
270	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
270	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
271	>	}
272	>
273	>	/**
274	>	* Returns a timeout in milliseconds to be used in tests that
275	>	* verify that operations block or time out.
276	>	*/
277	>	long timeoutMillis() {
278	>	return SHORT_DELAY_MS / 4;
279	>	}
280	>
281	>	/**
282	>	* Returns a new Date instance representing a time delayMillis
283	>	* milliseconds in the future.
284	>	*/
285	>	Date delayedDate(long delayMillis) {
286	>	return new Date(System.currentTimeMillis() + delayMillis);
287		}
288
289		/**
#	Line 284 | Line 307 | public class JSR166TestCase extends Test
307		}
308
309		/**
310	+	* Extra checks that get done for all test cases.
311	+	*
312		* Triggers test case failure if any thread assertions have failed,
313		* by rethrowing, in the test harness thread, any exception recorded
314		* earlier by threadRecordFailure.
315	+	*
316	+	* Triggers test case failure if interrupt status is set in the main thread.
317		*/
318		public void tearDown() throws Exception {
319	<	Throwable t = threadFailure.getAndSet(null);
319	>	Throwable t = threadFailure.getAndSet(null);
320		if (t != null) {
321		if (t instanceof Error)
322		throw (Error) t;
#	Line 304 | Line 331 | public class JSR166TestCase extends Test
331		throw afe;
332		}
333		}
334	+
335	+	if (Thread.interrupted())
336	+	throw new AssertionFailedError("interrupt status set in main thread");
337		}
338
339		/**
#	Line 435 | Line 465 | public class JSR166TestCase extends Test
465		else {
466		AssertionFailedError afe =
467		new AssertionFailedError("unexpected exception: " + t);
468	<	t.initCause(t);
468	>	afe.initCause(t);
469		throw afe;
470		}
471		}
472
473		/**
474	+	* Delays, via Thread.sleep, for the given millisecond delay, but
475	+	* if the sleep is shorter than specified, may re-sleep or yield
476	+	* until time elapses.
477	+	*/
478	+	static void delay(long millis) throws InterruptedException {
479	+	long startTime = System.nanoTime();
480	+	long ns = millis * 1000 * 1000;
481	+	for (;;) {
482	+	if (millis > 0L)
483	+	Thread.sleep(millis);
484	+	else // too short to sleep
485	+	Thread.yield();
486	+	long d = ns - (System.nanoTime() - startTime);
487	+	if (d > 0L)
488	+	millis = d / (1000 * 1000);
489	+	else
490	+	break;
491	+	}
492	+	}
493	+
494	+	/**
495		* Waits out termination of a thread pool or fails doing so.
496		*/
497	<	public void joinPool(ExecutorService exec) {
497	>	void joinPool(ExecutorService exec) {
498		try {
499		exec.shutdown();
500		assertTrue("ExecutorService did not terminate in a timely manner",
501	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
501	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
502		} catch (SecurityException ok) {
503		// Allowed in case test doesn't have privs
504		} catch (InterruptedException ie) {
#	Line 455 | Line 506 | public class JSR166TestCase extends Test
506		}
507		}
508
509	+	/**
510	+	* Checks that thread does not terminate within the default
511	+	* millisecond delay of {@code timeoutMillis()}.
512	+	*/
513	+	void assertThreadStaysAlive(Thread thread) {
514	+	assertThreadStaysAlive(thread, timeoutMillis());
515	+	}
516	+
517	+	/**
518	+	* Checks that thread does not terminate within the given millisecond delay.
519	+	*/
520	+	void assertThreadStaysAlive(Thread thread, long millis) {
521	+	try {
522	+	// No need to optimize the failing case via Thread.join.
523	+	delay(millis);
524	+	assertTrue(thread.isAlive());
525	+	} catch (InterruptedException ie) {
526	+	fail("Unexpected InterruptedException");
527	+	}
528	+	}
529	+
530	+	/**
531	+	* Checks that future.get times out, with the default timeout of
532	+	* {@code timeoutMillis()}.
533	+	*/
534	+	void assertFutureTimesOut(Future future) {
535	+	assertFutureTimesOut(future, timeoutMillis());
536	+	}
537	+
538	+	/**
539	+	* Checks that future.get times out, with the given millisecond timeout.
540	+	*/
541	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
542	+	long startTime = System.nanoTime();
543	+	try {
544	+	future.get(timeoutMillis, MILLISECONDS);
545	+	shouldThrow();
546	+	} catch (TimeoutException success) {
547	+	} catch (Exception e) {
548	+	threadUnexpectedException(e);
549	+	} finally { future.cancel(true); }
550	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
551	+	}
552
553		/**
554		* Fails with message "should throw exception".
#	Line 586 | Line 680 | public class JSR166TestCase extends Test
680		*/
681		void sleep(long millis) {
682		try {
683	<	Thread.sleep(millis);
683	>	delay(millis);
684		} catch (InterruptedException ie) {
685		AssertionFailedError afe =
686		new AssertionFailedError("Unexpected InterruptedException");
#	Line 596 | Line 690 | public class JSR166TestCase extends Test
690		}
691
692		/**
599	–	* Sleeps until the timeout has elapsed, or interrupted.
600	–	* Does <em>NOT</em> throw InterruptedException.
601	–	*/
602	–	void sleepTillInterrupted(long timeoutMillis) {
603	–	try {
604	–	Thread.sleep(timeoutMillis);
605	–	} catch (InterruptedException wakeup) {}
606	–	}
607	–
608	–	/**
693		* Waits up to the specified number of milliseconds for the given
694		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
695		*/
#	Line 629 | Line 713 | public class JSR166TestCase extends Test
713		}
714
715		/**
716	+	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
717	+	* state: BLOCKED, WAITING, or TIMED_WAITING.
718	+	*/
719	+	void waitForThreadToEnterWaitState(Thread thread) {
720	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
721	+	}
722	+
723	+	/**
724		* Returns the number of milliseconds since time given by
725		* startNanoTime, which must have been previously returned from a
726		* call to {@link System.nanoTime()}.
#	Line 658 | Line 750 | public class JSR166TestCase extends Test
750		} catch (InterruptedException ie) {
751		threadUnexpectedException(ie);
752		} finally {
753	<	if (t.isAlive()) {
753	>	if (t.getState() != Thread.State.TERMINATED) {
754		t.interrupt();
755		fail("Test timed out");
756		}
757		}
758		}
759
760	+	/**
761	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
762	+	* terminate (using {@link Thread#join(long)}), else interrupts
763	+	* the thread (in the hope that it may terminate later) and fails.
764	+	*/
765	+	void awaitTermination(Thread t) {
766	+	awaitTermination(t, LONG_DELAY_MS);
767	+	}
768	+
769		// Some convenient Runnable classes
770
771		public abstract class CheckedRunnable implements Runnable {
#	Line 727 | Line 828 | public class JSR166TestCase extends Test
828		realRun();
829		threadShouldThrow("InterruptedException");
830		} catch (InterruptedException success) {
831	+	threadAssertFalse(Thread.interrupted());
832		} catch (Throwable t) {
833		threadUnexpectedException(t);
834		}
#	Line 756 | Line 858 | public class JSR166TestCase extends Test
858		threadShouldThrow("InterruptedException");
859		return result;
860		} catch (InterruptedException success) {
861	+	threadAssertFalse(Thread.interrupted());
862		} catch (Throwable t) {
863		threadUnexpectedException(t);
864		}
#	Line 787 | Line 890 | public class JSR166TestCase extends Test
890		}};
891		}
892
893	+	public Runnable awaiter(final CountDownLatch latch) {
894	+	return new CheckedRunnable() {
895	+	public void realRun() throws InterruptedException {
896	+	await(latch);
897	+	}};
898	+	}
899	+
900	+	public void await(CountDownLatch latch) {
901	+	try {
902	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
903	+	} catch (Throwable t) {
904	+	threadUnexpectedException(t);
905	+	}
906	+	}
907	+
908	+	//     /**
909	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
910	+	//      */
911	+	//     public void await(AtomicBoolean flag) {
912	+	//         await(flag, LONG_DELAY_MS);
913	+	//     }
914	+
915	+	//     /**
916	+	//      * Spin-waits up to the specified timeout until flag becomes true.
917	+	//      */
918	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
919	+	//         long startTime = System.nanoTime();
920	+	//         while (!flag.get()) {
921	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
922	+	//                 throw new AssertionFailedError("timed out");
923	+	//             Thread.yield();
924	+	//         }
925	+	//     }
926	+
927		public static class NPETask implements Callable<String> {
928		public String call() { throw new NullPointerException(); }
929		}
#	Line 797 | Line 934 | public class JSR166TestCase extends Test
934
935		public class ShortRunnable extends CheckedRunnable {
936		protected void realRun() throws Throwable {
937	<	Thread.sleep(SHORT_DELAY_MS);
937	>	delay(SHORT_DELAY_MS);
938		}
939		}
940
941		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
942		protected void realRun() throws InterruptedException {
943	<	Thread.sleep(SHORT_DELAY_MS);
943	>	delay(SHORT_DELAY_MS);
944		}
945		}
946
947		public class SmallRunnable extends CheckedRunnable {
948		protected void realRun() throws Throwable {
949	<	Thread.sleep(SMALL_DELAY_MS);
949	>	delay(SMALL_DELAY_MS);
950		}
951		}
952
953		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
954		protected void realRun() {
955		try {
956	<	Thread.sleep(SMALL_DELAY_MS);
956	>	delay(SMALL_DELAY_MS);
957		} catch (InterruptedException ok) {}
958		}
959		}
960
961		public class SmallCallable extends CheckedCallable {
962		protected Object realCall() throws InterruptedException {
963	<	Thread.sleep(SMALL_DELAY_MS);
963	>	delay(SMALL_DELAY_MS);
964		return Boolean.TRUE;
965		}
966		}
967
968		public class MediumRunnable extends CheckedRunnable {
969		protected void realRun() throws Throwable {
970	<	Thread.sleep(MEDIUM_DELAY_MS);
970	>	delay(MEDIUM_DELAY_MS);
971		}
972		}
973
974		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
975		protected void realRun() throws InterruptedException {
976	<	Thread.sleep(MEDIUM_DELAY_MS);
976	>	delay(MEDIUM_DELAY_MS);
977		}
978		}
979
#	Line 844 | Line 981 | public class JSR166TestCase extends Test
981		return new CheckedRunnable() {
982		protected void realRun() {
983		try {
984	<	Thread.sleep(timeoutMillis);
984	>	delay(timeoutMillis);
985		} catch (InterruptedException ok) {}
986		}};
987		}
#	Line 852 | Line 989 | public class JSR166TestCase extends Test
989		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
990		protected void realRun() {
991		try {
992	<	Thread.sleep(MEDIUM_DELAY_MS);
992	>	delay(MEDIUM_DELAY_MS);
993		} catch (InterruptedException ok) {}
994		}
995		}
#	Line 860 | Line 997 | public class JSR166TestCase extends Test
997		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
998		protected void realRun() {
999		try {
1000	<	Thread.sleep(LONG_DELAY_MS);
1000	>	delay(LONG_DELAY_MS);
1001		} catch (InterruptedException ok) {}
1002		}
1003		}
#	Line 884 | Line 1021 | public class JSR166TestCase extends Test
1021		public boolean isDone() { return done; }
1022		public void run() {
1023		try {
1024	<	Thread.sleep(timeoutMillis);
1024	>	delay(timeoutMillis);
1025		done = true;
1026		} catch (InterruptedException ok) {}
1027		}
#	Line 895 | Line 1032 | public class JSR166TestCase extends Test
1032		public volatile boolean done = false;
1033		public void run() {
1034		try {
1035	<	Thread.sleep(SHORT_DELAY_MS);
1035	>	delay(SHORT_DELAY_MS);
1036		done = true;
1037		} catch (InterruptedException ok) {}
1038		}
#	Line 905 | Line 1042 | public class JSR166TestCase extends Test
1042		public volatile boolean done = false;
1043		public void run() {
1044		try {
1045	<	Thread.sleep(SMALL_DELAY_MS);
1045	>	delay(SMALL_DELAY_MS);
1046		done = true;
1047		} catch (InterruptedException ok) {}
1048		}
#	Line 915 | Line 1052 | public class JSR166TestCase extends Test
1052		public volatile boolean done = false;
1053		public void run() {
1054		try {
1055	<	Thread.sleep(MEDIUM_DELAY_MS);
1055	>	delay(MEDIUM_DELAY_MS);
1056		done = true;
1057		} catch (InterruptedException ok) {}
1058		}
#	Line 925 | Line 1062 | public class JSR166TestCase extends Test
1062		public volatile boolean done = false;
1063		public void run() {
1064		try {
1065	<	Thread.sleep(LONG_DELAY_MS);
1065	>	delay(LONG_DELAY_MS);
1066		done = true;
1067		} catch (InterruptedException ok) {}
1068		}
#	Line 942 | Line 1079 | public class JSR166TestCase extends Test
1079		public volatile boolean done = false;
1080		public Object call() {
1081		try {
1082	<	Thread.sleep(SMALL_DELAY_MS);
1082	>	delay(SMALL_DELAY_MS);
1083		done = true;
1084		} catch (InterruptedException ok) {}
1085		return Boolean.TRUE;
#	Line 989 | Line 1126 | public class JSR166TestCase extends Test
1126		}
1127
1128		/**
1129	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1130	<	* of throwing checked exceptions.
1129	>	* A CyclicBarrier that uses timed await and fails with
1130	>	* AssertionFailedErrors instead of throwing checked exceptions.
1131		*/
1132		public class CheckedBarrier extends CyclicBarrier {
1133		public CheckedBarrier(int parties) { super(parties); }
1134
1135		public int await() {
1136		try {
1137	<	return super.await();
1137	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1138	>	} catch (TimeoutException e) {
1139	>	throw new AssertionFailedError("timed out");
1140		} catch (Exception e) {
1141		AssertionFailedError afe =
1142		new AssertionFailedError("Unexpected exception: " + e);
#	Line 1007 | Line 1146 | public class JSR166TestCase extends Test
1146		}
1147		}
1148
1149	+	void checkEmpty(BlockingQueue q) {
1150	+	try {
1151	+	assertTrue(q.isEmpty());
1152	+	assertEquals(0, q.size());
1153	+	assertNull(q.peek());
1154	+	assertNull(q.poll());
1155	+	assertNull(q.poll(0, MILLISECONDS));
1156	+	assertEquals(q.toString(), "[]");
1157	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1158	+	assertFalse(q.iterator().hasNext());
1159	+	try {
1160	+	q.element();
1161	+	shouldThrow();
1162	+	} catch (NoSuchElementException success) {}
1163	+	try {
1164	+	q.iterator().next();
1165	+	shouldThrow();
1166	+	} catch (NoSuchElementException success) {}
1167	+	try {
1168	+	q.remove();
1169	+	shouldThrow();
1170	+	} catch (NoSuchElementException success) {}
1171	+	} catch (InterruptedException ie) {
1172	+	threadUnexpectedException(ie);
1173	+	}
1174	+	}
1175	+
1176	+	@SuppressWarnings("unchecked")
1177	+	<T> T serialClone(T o) {
1178	+	try {
1179	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1180	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1181	+	oos.writeObject(o);
1182	+	oos.flush();
1183	+	oos.close();
1184	+	ObjectInputStream ois = new ObjectInputStream
1185	+	(new ByteArrayInputStream(bos.toByteArray()));
1186	+	T clone = (T) ois.readObject();
1187	+	assertSame(o.getClass(), clone.getClass());
1188	+	return clone;
1189	+	} catch (Throwable t) {
1190	+	threadUnexpectedException(t);
1191	+	return null;
1192	+	}
1193	+	}
1194		}

Diff Legend

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