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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.60 by jsr166, Wed Oct 6 07:49:22 2010 UTC vs.
Revision 1.80 by jsr166, Fri May 13 21:48:58 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 96 | Line 103 | public class JSR166TestCase extends Test
103		private static final boolean useSecurityManager =
104		Boolean.getBoolean("jsr166.useSecurityManager");
105
106	+	protected static final boolean expensiveTests =
107	+	Boolean.getBoolean("jsr166.expensiveTests");
108	+
109	+	/**
110	+	* If true, report on stdout all "slow" tests, that is, ones that
111	+	* take more than profileThreshold milliseconds to execute.
112	+	*/
113	+	private static final boolean profileTests =
114	+	Boolean.getBoolean("jsr166.profileTests");
115	+
116	+	/**
117	+	* The number of milliseconds that tests are permitted for
118	+	* execution without being reported, when profileTests is set.
119	+	*/
120	+	private static final long profileThreshold =
121	+	Long.getLong("jsr166.profileThreshold", 100);
122	+
123	+	protected void runTest() throws Throwable {
124	+	if (profileTests)
125	+	runTestProfiled();
126	+	else
127	+	super.runTest();
128	+	}
129	+
130	+	protected void runTestProfiled() throws Throwable {
131	+	long t0 = System.nanoTime();
132	+	try {
133	+	super.runTest();
134	+	} finally {
135	+	long elapsedMillis =
136	+	(System.nanoTime() - t0) / (1000L * 1000L);
137	+	if (elapsedMillis >= profileThreshold)
138	+	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
139	+	}
140	+	}
141	+
142		/**
143		* Runs all JSR166 unit tests using junit.textui.TestRunner
144		*/
#	Line 223 | 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 252 | 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 404 | 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 millis) throws InterruptedException {
455	+	long startTime = System.nanoTime();
456	+	long ns = millis * 1000 * 1000;
457	+	for (;;) {
458	+	if (millis > 0L)
459	+	Thread.sleep(millis);
460	+	else // too short to sleep
461	+	Thread.yield();
462	+	long d = ns - (System.nanoTime() - startTime);
463	+	if (d > 0L)
464	+	millis = 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 418 | Line 482 | public class JSR166TestCase extends Test
482		}
483		}
484
485	+	/**
486	+	* Checks that thread does not terminate within the given millisecond delay.
487	+	*/
488	+	public void assertThreadStaysAlive(Thread thread, long millis) {
489	+	try {
490	+	// No need to optimize the failing case via Thread.join.
491	+	delay(millis);
492	+	assertTrue(thread.isAlive());
493	+	} catch (InterruptedException ie) {
494	+	fail("Unexpected InterruptedException");
495	+	}
496	+	}
497
498		/**
499		* Fails with message "should throw exception".
#	Line 549 | Line 625 | public class JSR166TestCase extends Test
625		*/
626		void sleep(long millis) {
627		try {
628	<	Thread.sleep(millis);
628	>	delay(millis);
629		} catch (InterruptedException ie) {
630		AssertionFailedError afe =
631		new AssertionFailedError("Unexpected InterruptedException");
#	Line 569 | Line 645 | public class JSR166TestCase extends Test
645		}
646
647		/**
648	+	* Waits up to the specified number of milliseconds for the given
649	+	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
650	+	*/
651	+	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
652	+	long timeoutNanos = timeoutMillis * 1000L * 1000L;
653	+	long t0 = System.nanoTime();
654	+	for (;;) {
655	+	Thread.State s = thread.getState();
656	+	if (s == Thread.State.BLOCKED ||
657	+	s == Thread.State.WAITING ||
658	+	s == Thread.State.TIMED_WAITING)
659	+	return;
660	+	else if (s == Thread.State.TERMINATED)
661	+	fail("Unexpected thread termination");
662	+	else if (System.nanoTime() - t0 > timeoutNanos) {
663	+	threadAssertTrue(thread.isAlive());
664	+	return;
665	+	}
666	+	Thread.yield();
667	+	}
668	+	}
669	+
670	+	/**
671	+	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
672	+	* state: BLOCKED, WAITING, or TIMED_WAITING.
673	+	*/
674	+	void waitForThreadToEnterWaitState(Thread thread) {
675	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
676	+	}
677	+
678	+	/**
679	+	* Returns the number of milliseconds since time given by
680	+	* startNanoTime, which must have been previously returned from a
681	+	* call to {@link System.nanoTime()}.
682	+	*/
683	+	long millisElapsedSince(long startNanoTime) {
684	+	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
685	+	}
686	+
687	+	/**
688		* Returns a new started daemon Thread running the given runnable.
689		*/
690		Thread newStartedThread(Runnable runnable) {
#	Line 596 | Line 712 | public class JSR166TestCase extends Test
712		}
713		}
714
715	+	/**
716	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
717	+	* terminate (using {@link Thread#join(long)}), else interrupts
718	+	* the thread (in the hope that it may terminate later) and fails.
719	+	*/
720	+	void awaitTermination(Thread t) {
721	+	awaitTermination(t, LONG_DELAY_MS);
722	+	}
723	+
724		// Some convenient Runnable classes
725
726		public abstract class CheckedRunnable implements Runnable {
#	Line 710 | Line 835 | public class JSR166TestCase extends Test
835
836		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
837		return new CheckedCallable<String>() {
838	<	public String realCall() {
838	>	protected String realCall() {
839		try {
840		latch.await();
841		} catch (InterruptedException quittingTime) {}
#	Line 718 | Line 843 | public class JSR166TestCase extends Test
843		}};
844		}
845
846	+	public Runnable awaiter(final CountDownLatch latch) {
847	+	return new CheckedRunnable() {
848	+	public void realRun() throws InterruptedException {
849	+	await(latch);
850	+	}};
851	+	}
852	+
853	+	public void await(CountDownLatch latch) {
854	+	try {
855	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
856	+	} catch (Throwable t) {
857	+	threadUnexpectedException(t);
858	+	}
859	+	}
860	+
861		public static class NPETask implements Callable<String> {
862		public String call() { throw new NullPointerException(); }
863		}
#	Line 728 | Line 868 | public class JSR166TestCase extends Test
868
869		public class ShortRunnable extends CheckedRunnable {
870		protected void realRun() throws Throwable {
871	<	Thread.sleep(SHORT_DELAY_MS);
871	>	delay(SHORT_DELAY_MS);
872		}
873		}
874
875		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
876		protected void realRun() throws InterruptedException {
877	<	Thread.sleep(SHORT_DELAY_MS);
877	>	delay(SHORT_DELAY_MS);
878		}
879		}
880
881		public class SmallRunnable extends CheckedRunnable {
882		protected void realRun() throws Throwable {
883	<	Thread.sleep(SMALL_DELAY_MS);
883	>	delay(SMALL_DELAY_MS);
884		}
885		}
886
887		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
888		protected void realRun() {
889		try {
890	<	Thread.sleep(SMALL_DELAY_MS);
890	>	delay(SMALL_DELAY_MS);
891		} catch (InterruptedException ok) {}
892		}
893		}
894
895		public class SmallCallable extends CheckedCallable {
896		protected Object realCall() throws InterruptedException {
897	<	Thread.sleep(SMALL_DELAY_MS);
897	>	delay(SMALL_DELAY_MS);
898		return Boolean.TRUE;
899		}
900		}
901
902		public class MediumRunnable extends CheckedRunnable {
903		protected void realRun() throws Throwable {
904	<	Thread.sleep(MEDIUM_DELAY_MS);
904	>	delay(MEDIUM_DELAY_MS);
905		}
906		}
907
908		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
909		protected void realRun() throws InterruptedException {
910	<	Thread.sleep(MEDIUM_DELAY_MS);
910	>	delay(MEDIUM_DELAY_MS);
911		}
912		}
913
914	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
915	+	return new CheckedRunnable() {
916	+	protected void realRun() {
917	+	try {
918	+	delay(timeoutMillis);
919	+	} catch (InterruptedException ok) {}
920	+	}};
921	+	}
922	+
923		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
924		protected void realRun() {
925		try {
926	<	Thread.sleep(MEDIUM_DELAY_MS);
926	>	delay(MEDIUM_DELAY_MS);
927		} catch (InterruptedException ok) {}
928		}
929		}
#	Line 782 | Line 931 | public class JSR166TestCase extends Test
931		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
932		protected void realRun() {
933		try {
934	<	Thread.sleep(LONG_DELAY_MS);
934	>	delay(LONG_DELAY_MS);
935		} catch (InterruptedException ok) {}
936		}
937		}
#	Line 796 | Line 945 | public class JSR166TestCase extends Test
945		}
946		}
947
948	+	public interface TrackedRunnable extends Runnable {
949	+	boolean isDone();
950	+	}
951	+
952	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
953	+	return new TrackedRunnable() {
954	+	private volatile boolean done = false;
955	+	public boolean isDone() { return done; }
956	+	public void run() {
957	+	try {
958	+	delay(timeoutMillis);
959	+	done = true;
960	+	} catch (InterruptedException ok) {}
961	+	}
962	+	};
963	+	}
964	+
965		public static class TrackedShortRunnable implements Runnable {
966		public volatile boolean done = false;
967		public void run() {
968		try {
969	<	Thread.sleep(SMALL_DELAY_MS);
969	>	delay(SHORT_DELAY_MS);
970	>	done = true;
971	>	} catch (InterruptedException ok) {}
972	>	}
973	>	}
974	>
975	>	public static class TrackedSmallRunnable implements Runnable {
976	>	public volatile boolean done = false;
977	>	public void run() {
978	>	try {
979	>	delay(SMALL_DELAY_MS);
980		done = true;
981		} catch (InterruptedException ok) {}
982		}
#	Line 810 | Line 986 | public class JSR166TestCase extends Test
986		public volatile boolean done = false;
987		public void run() {
988		try {
989	<	Thread.sleep(MEDIUM_DELAY_MS);
989	>	delay(MEDIUM_DELAY_MS);
990		done = true;
991		} catch (InterruptedException ok) {}
992		}
#	Line 820 | Line 996 | public class JSR166TestCase extends Test
996		public volatile boolean done = false;
997		public void run() {
998		try {
999	<	Thread.sleep(LONG_DELAY_MS);
999	>	delay(LONG_DELAY_MS);
1000		done = true;
1001		} catch (InterruptedException ok) {}
1002		}
#	Line 837 | Line 1013 | public class JSR166TestCase extends Test
1013		public volatile boolean done = false;
1014		public Object call() {
1015		try {
1016	<	Thread.sleep(SMALL_DELAY_MS);
1016	>	delay(SMALL_DELAY_MS);
1017		done = true;
1018		} catch (InterruptedException ok) {}
1019		return Boolean.TRUE;
#	Line 902 | Line 1078 | public class JSR166TestCase extends Test
1078		}
1079		}
1080
1081	+	public void checkEmpty(BlockingQueue q) {
1082	+	try {
1083	+	assertTrue(q.isEmpty());
1084	+	assertEquals(0, q.size());
1085	+	assertNull(q.peek());
1086	+	assertNull(q.poll());
1087	+	assertNull(q.poll(0, MILLISECONDS));
1088	+	assertEquals(q.toString(), "[]");
1089	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1090	+	assertFalse(q.iterator().hasNext());
1091	+	try {
1092	+	q.element();
1093	+	shouldThrow();
1094	+	} catch (NoSuchElementException success) {}
1095	+	try {
1096	+	q.iterator().next();
1097	+	shouldThrow();
1098	+	} catch (NoSuchElementException success) {}
1099	+	try {
1100	+	q.remove();
1101	+	shouldThrow();
1102	+	} catch (NoSuchElementException success) {}
1103	+	} catch (InterruptedException ie) {
1104	+	threadUnexpectedException(ie);
1105	+	}
1106	+	}
1107	+
1108	+	@SuppressWarnings("unchecked")
1109	+	public <T> T serialClone(T o) {
1110	+	try {
1111	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1112	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1113	+	oos.writeObject(o);
1114	+	oos.flush();
1115	+	oos.close();
1116	+	ByteArrayInputStream bin =
1117	+	new ByteArrayInputStream(bos.toByteArray());
1118	+	ObjectInputStream ois = new ObjectInputStream(bin);
1119	+	return (T) ois.readObject();
1120	+	} catch (Throwable t) {
1121	+	threadUnexpectedException(t);
1122	+	return null;
1123	+	}
1124	+	}
1125		}

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