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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.64 by jsr166, Fri Oct 15 22:30:07 2010 UTC vs.
Revision 1.79 by jsr166, Mon May 9 20:00:19 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.NoSuchElementException;
16		import java.util.PropertyPermission;
17		import java.util.concurrent.*;
18		import java.util.concurrent.atomic.AtomicReference;
19		import static java.util.concurrent.TimeUnit.MILLISECONDS;
20	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
21		import java.security.CodeSource;
22		import java.security.Permission;
23		import java.security.PermissionCollection;
#	Line 259 | Line 266 | public class JSR166TestCase extends Test
266		SHORT_DELAY_MS = getShortDelay();
267		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
268		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
269	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
269	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
270		}
271
272		/**
#	Line 288 | Line 295 | public class JSR166TestCase extends Test
295		* earlier by threadRecordFailure.
296		*/
297		public void tearDown() throws Exception {
298	<	Throwable t = threadFailure.get();
298	>	Throwable t = threadFailure.getAndSet(null);
299		if (t != null) {
300		if (t instanceof Error)
301		throw (Error) t;
#	Line 440 | Line 447 | public class JSR166TestCase extends Test
447		}
448
449		/**
450	+	* Delays, via Thread.sleep for the given millisecond delay, but
451	+	* if the sleep is shorter than specified, may re-sleep or yield
452	+	* until time elapses.
453	+	*/
454	+	public static void delay(long ms) throws InterruptedException {
455	+	long startTime = System.nanoTime();
456	+	long ns = ms * 1000 * 1000;
457	+	for (;;) {
458	+	if (ms > 0L)
459	+	Thread.sleep(ms);
460	+	else // too short to sleep
461	+	Thread.yield();
462	+	long d = ns - (System.nanoTime() - startTime);
463	+	if (d > 0L)
464	+	ms = d / (1000 * 1000);
465	+	else
466	+	break;
467	+	}
468	+	}
469	+
470	+	/**
471		* Waits out termination of a thread pool or fails doing so.
472		*/
473		public void joinPool(ExecutorService exec) {
474		try {
475		exec.shutdown();
476		assertTrue("ExecutorService did not terminate in a timely manner",
477	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
477	>	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
478		} catch (SecurityException ok) {
479		// Allowed in case test doesn't have privs
480		} catch (InterruptedException ie) {
#	Line 454 | Line 482 | public class JSR166TestCase extends Test
482		}
483		}
484
485	+	/**
486	+	* Checks that thread does not terminate within timeoutMillis
487	+	* milliseconds (that is, Thread.join times out).
488	+	*/
489	+	public void assertThreadJoinTimesOut(Thread thread, long timeoutMillis) {
490	+	try {
491	+	long startTime = System.nanoTime();
492	+	thread.join(timeoutMillis);
493	+	assertTrue(thread.isAlive());
494	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
495	+	} catch (InterruptedException ie) {
496	+	fail("Unexpected InterruptedException");
497	+	}
498	+	}
499
500		/**
501		* Fails with message "should throw exception".
#	Line 585 | Line 627 | public class JSR166TestCase extends Test
627		*/
628		void sleep(long millis) {
629		try {
630	<	Thread.sleep(millis);
630	>	delay(millis);
631		} catch (InterruptedException ie) {
632		AssertionFailedError afe =
633		new AssertionFailedError("Unexpected InterruptedException");
#	Line 605 | Line 647 | public class JSR166TestCase extends Test
647		}
648
649		/**
650	+	* Waits up to the specified number of milliseconds for the given
651	+	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
652	+	*/
653	+	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
654	+	long timeoutNanos = timeoutMillis * 1000L * 1000L;
655	+	long t0 = System.nanoTime();
656	+	for (;;) {
657	+	Thread.State s = thread.getState();
658	+	if (s == Thread.State.BLOCKED ||
659	+	s == Thread.State.WAITING ||
660	+	s == Thread.State.TIMED_WAITING)
661	+	return;
662	+	else if (s == Thread.State.TERMINATED)
663	+	fail("Unexpected thread termination");
664	+	else if (System.nanoTime() - t0 > timeoutNanos) {
665	+	threadAssertTrue(thread.isAlive());
666	+	return;
667	+	}
668	+	Thread.yield();
669	+	}
670	+	}
671	+
672	+	/**
673	+	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
674	+	* state: BLOCKED, WAITING, or TIMED_WAITING.
675	+	*/
676	+	void waitForThreadToEnterWaitState(Thread thread) {
677	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
678	+	}
679	+
680	+	/**
681	+	* Returns the number of milliseconds since time given by
682	+	* startNanoTime, which must have been previously returned from a
683	+	* call to {@link System.nanoTime()}.
684	+	*/
685	+	long millisElapsedSince(long startNanoTime) {
686	+	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
687	+	}
688	+
689	+	/**
690		* Returns a new started daemon Thread running the given runnable.
691		*/
692		Thread newStartedThread(Runnable runnable) {
#	Line 632 | Line 714 | public class JSR166TestCase extends Test
714		}
715		}
716
717	+	/**
718	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
719	+	* terminate (using {@link Thread#join(long)}), else interrupts
720	+	* the thread (in the hope that it may terminate later) and fails.
721	+	*/
722	+	void awaitTermination(Thread t) {
723	+	awaitTermination(t, LONG_DELAY_MS);
724	+	}
725	+
726		// Some convenient Runnable classes
727
728		public abstract class CheckedRunnable implements Runnable {
#	Line 754 | Line 845 | public class JSR166TestCase extends Test
845		}};
846		}
847
848	+	public Runnable awaiter(final CountDownLatch latch) {
849	+	return new CheckedRunnable() {
850	+	public void realRun() throws InterruptedException {
851	+	await(latch);
852	+	}};
853	+	}
854	+
855	+	public void await(CountDownLatch latch) {
856	+	try {
857	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
858	+	} catch (Throwable t) {
859	+	threadUnexpectedException(t);
860	+	}
861	+	}
862	+
863		public static class NPETask implements Callable<String> {
864		public String call() { throw new NullPointerException(); }
865		}
#	Line 764 | Line 870 | public class JSR166TestCase extends Test
870
871		public class ShortRunnable extends CheckedRunnable {
872		protected void realRun() throws Throwable {
873	<	Thread.sleep(SHORT_DELAY_MS);
873	>	delay(SHORT_DELAY_MS);
874		}
875		}
876
877		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
878		protected void realRun() throws InterruptedException {
879	<	Thread.sleep(SHORT_DELAY_MS);
879	>	delay(SHORT_DELAY_MS);
880		}
881		}
882
883		public class SmallRunnable extends CheckedRunnable {
884		protected void realRun() throws Throwable {
885	<	Thread.sleep(SMALL_DELAY_MS);
885	>	delay(SMALL_DELAY_MS);
886		}
887		}
888
889		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
890		protected void realRun() {
891		try {
892	<	Thread.sleep(SMALL_DELAY_MS);
892	>	delay(SMALL_DELAY_MS);
893		} catch (InterruptedException ok) {}
894		}
895		}
896
897		public class SmallCallable extends CheckedCallable {
898		protected Object realCall() throws InterruptedException {
899	<	Thread.sleep(SMALL_DELAY_MS);
899	>	delay(SMALL_DELAY_MS);
900		return Boolean.TRUE;
901		}
902		}
903
904		public class MediumRunnable extends CheckedRunnable {
905		protected void realRun() throws Throwable {
906	<	Thread.sleep(MEDIUM_DELAY_MS);
906	>	delay(MEDIUM_DELAY_MS);
907		}
908		}
909
910		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
911		protected void realRun() throws InterruptedException {
912	<	Thread.sleep(MEDIUM_DELAY_MS);
912	>	delay(MEDIUM_DELAY_MS);
913		}
914		}
915
#	Line 811 | Line 917 | public class JSR166TestCase extends Test
917		return new CheckedRunnable() {
918		protected void realRun() {
919		try {
920	<	Thread.sleep(timeoutMillis);
920	>	delay(timeoutMillis);
921		} catch (InterruptedException ok) {}
922		}};
923		}
#	Line 819 | Line 925 | public class JSR166TestCase extends Test
925		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
926		protected void realRun() {
927		try {
928	<	Thread.sleep(MEDIUM_DELAY_MS);
928	>	delay(MEDIUM_DELAY_MS);
929		} catch (InterruptedException ok) {}
930		}
931		}
#	Line 827 | Line 933 | public class JSR166TestCase extends Test
933		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
934		protected void realRun() {
935		try {
936	<	Thread.sleep(LONG_DELAY_MS);
936	>	delay(LONG_DELAY_MS);
937		} catch (InterruptedException ok) {}
938		}
939		}
#	Line 851 | Line 957 | public class JSR166TestCase extends Test
957		public boolean isDone() { return done; }
958		public void run() {
959		try {
960	<	Thread.sleep(timeoutMillis);
960	>	delay(timeoutMillis);
961		done = true;
962		} catch (InterruptedException ok) {}
963		}
#	Line 862 | Line 968 | public class JSR166TestCase extends Test
968		public volatile boolean done = false;
969		public void run() {
970		try {
971	<	Thread.sleep(SHORT_DELAY_MS);
971	>	delay(SHORT_DELAY_MS);
972		done = true;
973		} catch (InterruptedException ok) {}
974		}
#	Line 872 | Line 978 | public class JSR166TestCase extends Test
978		public volatile boolean done = false;
979		public void run() {
980		try {
981	<	Thread.sleep(SMALL_DELAY_MS);
981	>	delay(SMALL_DELAY_MS);
982		done = true;
983		} catch (InterruptedException ok) {}
984		}
#	Line 882 | Line 988 | public class JSR166TestCase extends Test
988		public volatile boolean done = false;
989		public void run() {
990		try {
991	<	Thread.sleep(MEDIUM_DELAY_MS);
991	>	delay(MEDIUM_DELAY_MS);
992		done = true;
993		} catch (InterruptedException ok) {}
994		}
#	Line 892 | Line 998 | public class JSR166TestCase extends Test
998		public volatile boolean done = false;
999		public void run() {
1000		try {
1001	<	Thread.sleep(LONG_DELAY_MS);
1001	>	delay(LONG_DELAY_MS);
1002		done = true;
1003		} catch (InterruptedException ok) {}
1004		}
#	Line 909 | Line 1015 | public class JSR166TestCase extends Test
1015		public volatile boolean done = false;
1016		public Object call() {
1017		try {
1018	<	Thread.sleep(SMALL_DELAY_MS);
1018	>	delay(SMALL_DELAY_MS);
1019		done = true;
1020		} catch (InterruptedException ok) {}
1021		return Boolean.TRUE;
#	Line 974 | Line 1080 | public class JSR166TestCase extends Test
1080		}
1081		}
1082
1083	+	public void checkEmpty(BlockingQueue q) {
1084	+	try {
1085	+	assertTrue(q.isEmpty());
1086	+	assertEquals(0, q.size());
1087	+	assertNull(q.peek());
1088	+	assertNull(q.poll());
1089	+	assertNull(q.poll(0, MILLISECONDS));
1090	+	assertEquals(q.toString(), "[]");
1091	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1092	+	assertFalse(q.iterator().hasNext());
1093	+	try {
1094	+	q.element();
1095	+	shouldThrow();
1096	+	} catch (NoSuchElementException success) {}
1097	+	try {
1098	+	q.iterator().next();
1099	+	shouldThrow();
1100	+	} catch (NoSuchElementException success) {}
1101	+	try {
1102	+	q.remove();
1103	+	shouldThrow();
1104	+	} catch (NoSuchElementException success) {}
1105	+	} catch (InterruptedException ie) {
1106	+	threadUnexpectedException(ie);
1107	+	}
1108	+	}
1109	+
1110	+	@SuppressWarnings("unchecked")
1111	+	public <T> T serialClone(T o) {
1112	+	try {
1113	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1114	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1115	+	oos.writeObject(o);
1116	+	oos.flush();
1117	+	oos.close();
1118	+	ByteArrayInputStream bin =
1119	+	new ByteArrayInputStream(bos.toByteArray());
1120	+	ObjectInputStream ois = new ObjectInputStream(bin);
1121	+	return (T) ois.readObject();
1122	+	} catch (Throwable t) {
1123	+	threadUnexpectedException(t);
1124	+	return null;
1125	+	}
1126	+	}
1127		}

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