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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.198 by jsr166, Wed Jul 27 17:16:23 2016 UTC vs.
Revision 1.234 by jsr166, Mon Jul 17 22:27:31 2017 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
2	>	* Written by Doug Lea and Martin Buchholz with assistance from
3	>	* members of JCP JSR-166 Expert Group and released to the public
4	>	* domain, as explained at
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		* Other contributors include Andrew Wright, Jeffrey Hayes,
7		* Pat Fisher, Mike Judd.
#	Line 8 | Line 9
9
10		/*
11		* @test
12	<	* @summary JSR-166 tck tests
13	<	* @modules java.management
12	>	* @summary JSR-166 tck tests, in a number of variations.
13	>	*          The first is the conformance testing variant,
14	>	*          while others also test implementation details.
15		* @build *
16	<	* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
17	<	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase
18	<	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase
16	>	* @modules java.management
17	>	* @run junit/othervm/timeout=1000 JSR166TestCase
18	>	* @run junit/othervm/timeout=1000
19	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
20	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
21	>	*      -Djsr166.testImplementationDetails=true
22	>	*      JSR166TestCase
23	>	* @run junit/othervm/timeout=1000
24	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
25	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
26	>	*      -Djsr166.testImplementationDetails=true
27	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=0
28	>	*      JSR166TestCase
29	>	* @run junit/othervm/timeout=1000
30	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
31	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
32	>	*      -Djsr166.testImplementationDetails=true
33	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=1
34	>	*      -Djava.util.secureRandomSeed=true
35	>	*      JSR166TestCase
36	>	* @run junit/othervm/timeout=1000/policy=tck.policy
37	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
38	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
39	>	*      -Djsr166.testImplementationDetails=true
40	>	*      JSR166TestCase
41		*/
42
43		import static java.util.concurrent.TimeUnit.MILLISECONDS;
#	Line 30 | Line 54 | import java.lang.management.ThreadMXBean
54		import java.lang.reflect.Constructor;
55		import java.lang.reflect.Method;
56		import java.lang.reflect.Modifier;
33	–	import java.nio.file.Files;
34	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 41 | Line 63 | import java.security.ProtectionDomain;
63		import java.security.SecurityPermission;
64		import java.util.ArrayList;
65		import java.util.Arrays;
66	+	import java.util.Collection;
67	+	import java.util.Collections;
68		import java.util.Date;
69		import java.util.Enumeration;
70		import java.util.Iterator;
#	Line 52 | Line 76 | import java.util.concurrent.Callable;
76		import java.util.concurrent.CountDownLatch;
77		import java.util.concurrent.CyclicBarrier;
78		import java.util.concurrent.ExecutionException;
79	+	import java.util.concurrent.Executor;
80		import java.util.concurrent.Executors;
81		import java.util.concurrent.ExecutorService;
82		import java.util.concurrent.ForkJoinPool;
83		import java.util.concurrent.Future;
84	+	import java.util.concurrent.FutureTask;
85		import java.util.concurrent.RecursiveAction;
86		import java.util.concurrent.RecursiveTask;
87	+	import java.util.concurrent.RejectedExecutionException;
88		import java.util.concurrent.RejectedExecutionHandler;
89		import java.util.concurrent.Semaphore;
90	+	import java.util.concurrent.ScheduledExecutorService;
91	+	import java.util.concurrent.ScheduledFuture;
92		import java.util.concurrent.SynchronousQueue;
93		import java.util.concurrent.ThreadFactory;
94	+	import java.util.concurrent.ThreadLocalRandom;
95		import java.util.concurrent.ThreadPoolExecutor;
96	+	import java.util.concurrent.TimeUnit;
97		import java.util.concurrent.TimeoutException;
98		import java.util.concurrent.atomic.AtomicBoolean;
99		import java.util.concurrent.atomic.AtomicReference;
69	–	import java.util.regex.Matcher;
100		import java.util.regex.Pattern;
101
102		import junit.framework.AssertionFailedError;
#	Line 276 | Line 306 | public class JSR166TestCase extends Test
306
307		//     public static String cpuModel() {
308		//         try {
309	<	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
309	>	//             java.util.regex.Matcher matcher
310	>	//               = Pattern.compile("model name\\s*: (.*)")
311		//                 .matcher(new String(
312	<	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
312	>	//                     java.nio.file.Files.readAllBytes(
313	>	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
314		//             matcher.find();
315		//             return matcher.group(1);
316		//         } catch (Exception ex) { return null; }
#	Line 445 | Line 477 | public class JSR166TestCase extends Test
477		AbstractQueuedLongSynchronizerTest.suite(),
478		ArrayBlockingQueueTest.suite(),
479		ArrayDequeTest.suite(),
480	+	ArrayListTest.suite(),
481		AtomicBooleanTest.suite(),
482		AtomicIntegerArrayTest.suite(),
483		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 467 | Line 500 | public class JSR166TestCase extends Test
500		CopyOnWriteArrayListTest.suite(),
501		CopyOnWriteArraySetTest.suite(),
502		CountDownLatchTest.suite(),
503	+	CountedCompleterTest.suite(),
504		CyclicBarrierTest.suite(),
505		DelayQueueTest.suite(),
506		EntryTest.suite(),
#	Line 495 | Line 529 | public class JSR166TestCase extends Test
529		TreeMapTest.suite(),
530		TreeSetTest.suite(),
531		TreeSubMapTest.suite(),
532	<	TreeSubSetTest.suite());
532	>	TreeSubSetTest.suite(),
533	>	VectorTest.suite());
534
535		// Java8+ test classes
536		if (atLeastJava8()) {
537		String[] java8TestClassNames = {
538	+	"ArrayDeque8Test",
539		"Atomic8Test",
540		"CompletableFutureTest",
541		"ConcurrentHashMap8Test",
542	<	"CountedCompleterTest",
542	>	"CountedCompleter8Test",
543		"DoubleAccumulatorTest",
544		"DoubleAdderTest",
545		"ForkJoinPool8Test",
546		"ForkJoinTask8Test",
547	+	"LinkedBlockingDeque8Test",
548	+	"LinkedBlockingQueue8Test",
549		"LongAccumulatorTest",
550		"LongAdderTest",
551		"SplittableRandomTest",
#	Line 530 | Line 568 | public class JSR166TestCase extends Test
568		"AtomicReference9Test",
569		"AtomicReferenceArray9Test",
570		"ExecutorCompletionService9Test",
571	+	"ForkJoinPool9Test",
572		};
573		addNamedTestClasses(suite, java9TestClassNames);
574		}
#	Line 540 | Line 579 | public class JSR166TestCase extends Test
579		/** Returns list of junit-style test method names in given class. */
580		public static ArrayList<String> testMethodNames(Class<?> testClass) {
581		Method[] methods = testClass.getDeclaredMethods();
582	<	ArrayList<String> names = new ArrayList<String>(methods.length);
582	>	ArrayList<String> names = new ArrayList<>(methods.length);
583		for (Method method : methods) {
584		if (method.getName().startsWith("test")
585		&& Modifier.isPublic(method.getModifiers())
#	Line 605 | Line 644 | public class JSR166TestCase extends Test
644		public static long MEDIUM_DELAY_MS;
645		public static long LONG_DELAY_MS;
646
647	+	private static final long RANDOM_TIMEOUT;
648	+	private static final long RANDOM_EXPIRED_TIMEOUT;
649	+	private static final TimeUnit RANDOM_TIMEUNIT;
650	+	static {
651	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
652	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
653	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
654	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
655	+	TimeUnit[] timeUnits = TimeUnit.values();
656	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
657	+	}
658	+
659	+	/**
660	+	* Returns a timeout for use when any value at all will do.
661	+	*/
662	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
663	+
664	+	/**
665	+	* Returns a timeout that means "no waiting", i.e. not positive.
666	+	*/
667	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
668	+
669	+	/**
670	+	* Returns a random non-null TimeUnit.
671	+	*/
672	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
673	+
674		/**
675		* Returns the shortest timed delay. This can be scaled up for
676		* slow machines using the jsr166.delay.factor system property,
#	Line 625 | Line 691 | public class JSR166TestCase extends Test
691		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
692		}
693
694	+	private static final long TIMEOUT_DELAY_MS
695	+	= (long) (12.0 * Math.cbrt(delayFactor));
696	+
697		/**
698	<	* Returns a timeout in milliseconds to be used in tests that
699	<	* verify that operations block or time out.
698	>	* Returns a timeout in milliseconds to be used in tests that verify
699	>	* that operations block or time out.  We want this to be longer
700	>	* than the OS scheduling quantum, but not too long, so don't scale
701	>	* linearly with delayFactor; we use "crazy" cube root instead.
702		*/
703	<	long timeoutMillis() {
704	<	return SHORT_DELAY_MS / 4;
703	>	static long timeoutMillis() {
704	>	return TIMEOUT_DELAY_MS;
705		}
706
707		/**
#	Line 646 | Line 717 | public class JSR166TestCase extends Test
717		* The first exception encountered if any threadAssertXXX method fails.
718		*/
719		private final AtomicReference<Throwable> threadFailure
720	<	= new AtomicReference<Throwable>(null);
720	>	= new AtomicReference<>(null);
721
722		/**
723		* Records an exception so that it can be rethrown later in the test
#	Line 1003 | Line 1074 | public class JSR166TestCase extends Test
1074		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1075		System.err.println("------ stacktrace dump start ------");
1076		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1077	<	String name = info.getThreadName();
1077	>	final String name = info.getThreadName();
1078	>	String lockName;
1079		if ("Signal Dispatcher".equals(name))
1080		continue;
1081		if ("Reference Handler".equals(name)
1082	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1082	>	&& (lockName = info.getLockName()) != null
1083	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1084		continue;
1085		if ("Finalizer".equals(name)
1086	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1086	>	&& (lockName = info.getLockName()) != null
1087	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1088		continue;
1089		if ("checkForWedgedTest".equals(name))
1090		continue;
#	Line 1022 | Line 1096 | public class JSR166TestCase extends Test
1096		}
1097
1098		/**
1099	+	* Checks that thread eventually enters the expected blocked thread state.
1100	+	*/
1101	+	void assertThreadBlocks(Thread thread, Thread.State expected) {
1102	+	// always sleep at least 1 ms, with high probability avoiding
1103	+	// transitory states
1104	+	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1105	+	try { delay(1); }
1106	+	catch (InterruptedException fail) {
1107	+	fail("Unexpected InterruptedException");
1108	+	}
1109	+	Thread.State s = thread.getState();
1110	+	if (s == expected)
1111	+	return;
1112	+	else if (s == Thread.State.TERMINATED)
1113	+	fail("Unexpected thread termination");
1114	+	}
1115	+	fail("timed out waiting for thread to enter thread state " + expected);
1116	+	}
1117	+
1118	+	/**
1119		* Checks that thread does not terminate within the default
1120		* millisecond delay of {@code timeoutMillis()}.
1121	+	* TODO: REMOVEME
1122		*/
1123		void assertThreadStaysAlive(Thread thread) {
1124		assertThreadStaysAlive(thread, timeoutMillis());
#	Line 1031 | Line 1126 | public class JSR166TestCase extends Test
1126
1127		/**
1128		* Checks that thread does not terminate within the given millisecond delay.
1129	+	* TODO: REMOVEME
1130		*/
1131		void assertThreadStaysAlive(Thread thread, long millis) {
1132		try {
#	Line 1045 | Line 1141 | public class JSR166TestCase extends Test
1141		/**
1142		* Checks that the threads do not terminate within the default
1143		* millisecond delay of {@code timeoutMillis()}.
1144	+	* TODO: REMOVEME
1145		*/
1146		void assertThreadsStayAlive(Thread... threads) {
1147		assertThreadsStayAlive(timeoutMillis(), threads);
#	Line 1052 | Line 1149 | public class JSR166TestCase extends Test
1149
1150		/**
1151		* Checks that the threads do not terminate within the given millisecond delay.
1152	+	* TODO: REMOVEME
1153		*/
1154		void assertThreadsStayAlive(long millis, Thread... threads) {
1155		try {
#	Line 1102 | Line 1200 | public class JSR166TestCase extends Test
1200		}
1201
1202		/**
1203	+	* The maximum number of consecutive spurious wakeups we should
1204	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1205	+	*/
1206	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1207	+
1208	+	/**
1209		* The number of elements to place in collections, arrays, etc.
1210		*/
1211		public static final int SIZE = 20;
#	Line 1205 | Line 1309 | public class JSR166TestCase extends Test
1309		}
1310		public void refresh() {}
1311		public String toString() {
1312	<	List<Permission> ps = new ArrayList<Permission>();
1312	>	List<Permission> ps = new ArrayList<>();
1313		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1314		ps.add(e.nextElement());
1315		return "AdjustablePolicy with permissions " + ps;
#	Line 1235 | Line 1339 | public class JSR166TestCase extends Test
1339		* Sleeps until the given time has elapsed.
1340		* Throws AssertionFailedError if interrupted.
1341		*/
1342	<	void sleep(long millis) {
1342	>	static void sleep(long millis) {
1343		try {
1344		delay(millis);
1345		} catch (InterruptedException fail) {
#	Line 1251 | Line 1355 | public class JSR166TestCase extends Test
1355		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1356		*/
1357		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1358	<	long startTime = System.nanoTime();
1358	>	long startTime = 0L;
1359		for (;;) {
1360		Thread.State s = thread.getState();
1361		if (s == Thread.State.BLOCKED ||
#	Line 1260 | Line 1364 | public class JSR166TestCase extends Test
1364		return;
1365		else if (s == Thread.State.TERMINATED)
1366		fail("Unexpected thread termination");
1367	+	else if (startTime == 0L)
1368	+	startTime = System.nanoTime();
1369		else if (millisElapsedSince(startTime) > timeoutMillis) {
1370		threadAssertTrue(thread.isAlive());
1371	<	return;
1371	>	fail("timed out waiting for thread to enter wait state");
1372		}
1373		Thread.yield();
1374		}
1375		}
1376
1377		/**
1378	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1379	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1378	>	* Spin-waits up to the specified number of milliseconds for the given
1379	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1380	>	* and additionally satisfy the given condition.
1381	>	*/
1382	>	void waitForThreadToEnterWaitState(
1383	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1384	>	long startTime = 0L;
1385	>	for (;;) {
1386	>	Thread.State s = thread.getState();
1387	>	if (s == Thread.State.BLOCKED ||
1388	>	s == Thread.State.WAITING ||
1389	>	s == Thread.State.TIMED_WAITING) {
1390	>	try {
1391	>	if (waitingForGodot.call())
1392	>	return;
1393	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1394	>	}
1395	>	else if (s == Thread.State.TERMINATED)
1396	>	fail("Unexpected thread termination");
1397	>	else if (startTime == 0L)
1398	>	startTime = System.nanoTime();
1399	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1400	>	threadAssertTrue(thread.isAlive());
1401	>	fail("timed out waiting for thread to enter wait state");
1402	>	}
1403	>	Thread.yield();
1404	>	}
1405	>	}
1406	>
1407	>	/**
1408	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1409	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1410		*/
1411		void waitForThreadToEnterWaitState(Thread thread) {
1412		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1413		}
1414
1415		/**
1416	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1417	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1418	+	* and additionally satisfy the given condition.
1419	+	*/
1420	+	void waitForThreadToEnterWaitState(
1421	+	Thread thread, Callable<Boolean> waitingForGodot) {
1422	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1423	+	}
1424	+
1425	+	/**
1426		* Returns the number of milliseconds since time given by
1427		* startNanoTime, which must have been previously returned from a
1428		* call to {@link System#nanoTime()}.
#	Line 1528 | Line 1674 | public class JSR166TestCase extends Test
1674		}
1675		}
1676
1677	+	public void await(CyclicBarrier barrier) {
1678	+	try {
1679	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1680	+	} catch (Throwable fail) {
1681	+	threadUnexpectedException(fail);
1682	+	}
1683	+	}
1684	+
1685		//     /**
1686		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1687		//      */
#	Line 1551 | Line 1705 | public class JSR166TestCase extends Test
1705		public String call() { throw new NullPointerException(); }
1706		}
1707
1554	–	public static class CallableOne implements Callable<Integer> {
1555	–	public Integer call() { return one; }
1556	–	}
1557	–
1558	–	public class ShortRunnable extends CheckedRunnable {
1559	–	protected void realRun() throws Throwable {
1560	–	delay(SHORT_DELAY_MS);
1561	–	}
1562	–	}
1563	–
1564	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1565	–	protected void realRun() throws InterruptedException {
1566	–	delay(SHORT_DELAY_MS);
1567	–	}
1568	–	}
1569	–
1570	–	public class SmallRunnable extends CheckedRunnable {
1571	–	protected void realRun() throws Throwable {
1572	–	delay(SMALL_DELAY_MS);
1573	–	}
1574	–	}
1575	–
1708		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1709		protected void realRun() {
1710		try {
#	Line 1581 | Line 1713 | public class JSR166TestCase extends Test
1713		}
1714		}
1715
1584	–	public class SmallCallable extends CheckedCallable {
1585	–	protected Object realCall() throws InterruptedException {
1586	–	delay(SMALL_DELAY_MS);
1587	–	return Boolean.TRUE;
1588	–	}
1589	–	}
1590	–
1591	–	public class MediumRunnable extends CheckedRunnable {
1592	–	protected void realRun() throws Throwable {
1593	–	delay(MEDIUM_DELAY_MS);
1594	–	}
1595	–	}
1596	–
1597	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1598	–	protected void realRun() throws InterruptedException {
1599	–	delay(MEDIUM_DELAY_MS);
1600	–	}
1601	–	}
1602	–
1716		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1717		return new CheckedRunnable() {
1718		protected void realRun() {
#	Line 1609 | Line 1722 | public class JSR166TestCase extends Test
1722		}};
1723		}
1724
1612	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1613	–	protected void realRun() {
1614	–	try {
1615	–	delay(MEDIUM_DELAY_MS);
1616	–	} catch (InterruptedException ok) {}
1617	–	}
1618	–	}
1619	–
1620	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1621	–	protected void realRun() {
1622	–	try {
1623	–	delay(LONG_DELAY_MS);
1624	–	} catch (InterruptedException ok) {}
1625	–	}
1626	–	}
1627	–
1725		/**
1726		* For use as ThreadFactory in constructors
1727		*/
#	Line 1638 | Line 1735 | public class JSR166TestCase extends Test
1735		boolean isDone();
1736		}
1737
1641	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1642	–	return new TrackedRunnable() {
1643	–	private volatile boolean done = false;
1644	–	public boolean isDone() { return done; }
1645	–	public void run() {
1646	–	try {
1647	–	delay(timeoutMillis);
1648	–	done = true;
1649	–	} catch (InterruptedException ok) {}
1650	–	}
1651	–	};
1652	–	}
1653	–
1654	–	public static class TrackedShortRunnable implements Runnable {
1655	–	public volatile boolean done = false;
1656	–	public void run() {
1657	–	try {
1658	–	delay(SHORT_DELAY_MS);
1659	–	done = true;
1660	–	} catch (InterruptedException ok) {}
1661	–	}
1662	–	}
1663	–
1664	–	public static class TrackedSmallRunnable implements Runnable {
1665	–	public volatile boolean done = false;
1666	–	public void run() {
1667	–	try {
1668	–	delay(SMALL_DELAY_MS);
1669	–	done = true;
1670	–	} catch (InterruptedException ok) {}
1671	–	}
1672	–	}
1673	–
1674	–	public static class TrackedMediumRunnable implements Runnable {
1675	–	public volatile boolean done = false;
1676	–	public void run() {
1677	–	try {
1678	–	delay(MEDIUM_DELAY_MS);
1679	–	done = true;
1680	–	} catch (InterruptedException ok) {}
1681	–	}
1682	–	}
1683	–
1684	–	public static class TrackedLongRunnable implements Runnable {
1685	–	public volatile boolean done = false;
1686	–	public void run() {
1687	–	try {
1688	–	delay(LONG_DELAY_MS);
1689	–	done = true;
1690	–	} catch (InterruptedException ok) {}
1691	–	}
1692	–	}
1693	–
1738		public static class TrackedNoOpRunnable implements Runnable {
1739		public volatile boolean done = false;
1740		public void run() {
#	Line 1698 | Line 1742 | public class JSR166TestCase extends Test
1742		}
1743		}
1744
1701	–	public static class TrackedCallable implements Callable {
1702	–	public volatile boolean done = false;
1703	–	public Object call() {
1704	–	try {
1705	–	delay(SMALL_DELAY_MS);
1706	–	done = true;
1707	–	} catch (InterruptedException ok) {}
1708	–	return Boolean.TRUE;
1709	–	}
1710	–	}
1711	–
1745		/**
1746		* Analog of CheckedRunnable for RecursiveAction
1747		*/
#	Line 1752 | Line 1785 | public class JSR166TestCase extends Test
1785		* A CyclicBarrier that uses timed await and fails with
1786		* AssertionFailedErrors instead of throwing checked exceptions.
1787		*/
1788	<	public class CheckedBarrier extends CyclicBarrier {
1788	>	public static class CheckedBarrier extends CyclicBarrier {
1789		public CheckedBarrier(int parties) { super(parties); }
1790
1791		public int await() {
#	Line 1775 | Line 1808 | public class JSR166TestCase extends Test
1808		assertEquals(0, q.size());
1809		assertNull(q.peek());
1810		assertNull(q.poll());
1811	<	assertNull(q.poll(0, MILLISECONDS));
1811	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1812		assertEquals(q.toString(), "[]");
1813		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1814		assertFalse(q.iterator().hasNext());
#	Line 1816 | Line 1849 | public class JSR166TestCase extends Test
1849		}
1850		}
1851
1852	+	void assertImmutable(final Object o) {
1853	+	if (o instanceof Collection) {
1854	+	assertThrows(
1855	+	UnsupportedOperationException.class,
1856	+	new Runnable() { public void run() {
1857	+	((Collection) o).add(null);}});
1858	+	}
1859	+	}
1860	+
1861		@SuppressWarnings("unchecked")
1862		<T> T serialClone(T o) {
1863		try {
1864		ObjectInputStream ois = new ObjectInputStream
1865		(new ByteArrayInputStream(serialBytes(o)));
1866		T clone = (T) ois.readObject();
1867	+	if (o == clone) assertImmutable(o);
1868		assertSame(o.getClass(), clone.getClass());
1869		return clone;
1870		} catch (Throwable fail) {
#	Line 1830 | Line 1873 | public class JSR166TestCase extends Test
1873		}
1874		}
1875
1876	+	/**
1877	+	* A version of serialClone that leaves error handling (for
1878	+	* e.g. NotSerializableException) up to the caller.
1879	+	*/
1880	+	@SuppressWarnings("unchecked")
1881	+	<T> T serialClonePossiblyFailing(T o)
1882	+	throws ReflectiveOperationException, java.io.IOException {
1883	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1884	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1885	+	oos.writeObject(o);
1886	+	oos.flush();
1887	+	oos.close();
1888	+	ObjectInputStream ois = new ObjectInputStream
1889	+	(new ByteArrayInputStream(bos.toByteArray()));
1890	+	T clone = (T) ois.readObject();
1891	+	if (o == clone) assertImmutable(o);
1892	+	assertSame(o.getClass(), clone.getClass());
1893	+	return clone;
1894	+	}
1895	+
1896	+	/**
1897	+	* If o implements Cloneable and has a public clone method,
1898	+	* returns a clone of o, else null.
1899	+	*/
1900	+	@SuppressWarnings("unchecked")
1901	+	<T> T cloneableClone(T o) {
1902	+	if (!(o instanceof Cloneable)) return null;
1903	+	final T clone;
1904	+	try {
1905	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1906	+	} catch (NoSuchMethodException ok) {
1907	+	return null;
1908	+	} catch (ReflectiveOperationException unexpected) {
1909	+	throw new Error(unexpected);
1910	+	}
1911	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1912	+	assertSame(o.getClass(), clone.getClass());
1913	+	return clone;
1914	+	}
1915	+
1916		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1917		Runnable... throwingActions) {
1918		for (Runnable throwingAction : throwingActions) {
#	Line 1873 | Line 1956 | public class JSR166TestCase extends Test
1956		1000L, MILLISECONDS,
1957		new SynchronousQueue<Runnable>());
1958
1959	+	static <T> void shuffle(T[] array) {
1960	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1961	+	}
1962	+
1963	+	// --- Shared assertions for Executor tests ---
1964	+
1965	+	/**
1966	+	* Returns maximum number of tasks that can be submitted to given
1967	+	* pool (with bounded queue) before saturation (when submission
1968	+	* throws RejectedExecutionException).
1969	+	*/
1970	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1971	+	BlockingQueue<Runnable> q = pool.getQueue();
1972	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1973	+	}
1974	+
1975	+	@SuppressWarnings("FutureReturnValueIgnored")
1976	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1977	+	try {
1978	+	e.execute((Runnable) null);
1979	+	shouldThrow();
1980	+	} catch (NullPointerException success) {}
1981	+
1982	+	if (! (e instanceof ExecutorService)) return;
1983	+	ExecutorService es = (ExecutorService) e;
1984	+	try {
1985	+	es.submit((Runnable) null);
1986	+	shouldThrow();
1987	+	} catch (NullPointerException success) {}
1988	+	try {
1989	+	es.submit((Runnable) null, Boolean.TRUE);
1990	+	shouldThrow();
1991	+	} catch (NullPointerException success) {}
1992	+	try {
1993	+	es.submit((Callable) null);
1994	+	shouldThrow();
1995	+	} catch (NullPointerException success) {}
1996	+
1997	+	if (! (e instanceof ScheduledExecutorService)) return;
1998	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1999	+	try {
2000	+	ses.schedule((Runnable) null,
2001	+	randomTimeout(), randomTimeUnit());
2002	+	shouldThrow();
2003	+	} catch (NullPointerException success) {}
2004	+	try {
2005	+	ses.schedule((Callable) null,
2006	+	randomTimeout(), randomTimeUnit());
2007	+	shouldThrow();
2008	+	} catch (NullPointerException success) {}
2009	+	try {
2010	+	ses.scheduleAtFixedRate((Runnable) null,
2011	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2012	+	shouldThrow();
2013	+	} catch (NullPointerException success) {}
2014	+	try {
2015	+	ses.scheduleWithFixedDelay((Runnable) null,
2016	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2017	+	shouldThrow();
2018	+	} catch (NullPointerException success) {}
2019	+	}
2020	+
2021	+	void setRejectedExecutionHandler(
2022	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
2023	+	p.setRejectedExecutionHandler(handler);
2024	+	assertSame(handler, p.getRejectedExecutionHandler());
2025	+	}
2026	+
2027	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
2028	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
2029	+	final long savedTaskCount = p.getTaskCount();
2030	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
2031	+	final int savedQueueSize = p.getQueue().size();
2032	+	final boolean stock = (p.getClass().getClassLoader() == null);
2033	+
2034	+	Runnable r = () -> {};
2035	+	Callable<Boolean> c = () -> Boolean.TRUE;
2036	+
2037	+	class Recorder implements RejectedExecutionHandler {
2038	+	public volatile Runnable r = null;
2039	+	public volatile ThreadPoolExecutor p = null;
2040	+	public void reset() { r = null; p = null; }
2041	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
2042	+	assertNull(this.r);
2043	+	assertNull(this.p);
2044	+	this.r = r;
2045	+	this.p = p;
2046	+	}
2047	+	}
2048	+
2049	+	// check custom handler is invoked exactly once per task
2050	+	Recorder recorder = new Recorder();
2051	+	setRejectedExecutionHandler(p, recorder);
2052	+	for (int i = 2; i--> 0; ) {
2053	+	recorder.reset();
2054	+	p.execute(r);
2055	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2056	+	assertSame(r, recorder.r);
2057	+	assertSame(p, recorder.p);
2058	+
2059	+	recorder.reset();
2060	+	assertFalse(p.submit(r).isDone());
2061	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2062	+	assertSame(p, recorder.p);
2063	+
2064	+	recorder.reset();
2065	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2066	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2067	+	assertSame(p, recorder.p);
2068	+
2069	+	recorder.reset();
2070	+	assertFalse(p.submit(c).isDone());
2071	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2072	+	assertSame(p, recorder.p);
2073	+
2074	+	if (p instanceof ScheduledExecutorService) {
2075	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2076	+	ScheduledFuture<?> future;
2077	+
2078	+	recorder.reset();
2079	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2080	+	assertFalse(future.isDone());
2081	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2082	+	assertSame(p, recorder.p);
2083	+
2084	+	recorder.reset();
2085	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2086	+	assertFalse(future.isDone());
2087	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2088	+	assertSame(p, recorder.p);
2089	+
2090	+	recorder.reset();
2091	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2092	+	assertFalse(future.isDone());
2093	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2094	+	assertSame(p, recorder.p);
2095	+
2096	+	recorder.reset();
2097	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2098	+	assertFalse(future.isDone());
2099	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2100	+	assertSame(p, recorder.p);
2101	+	}
2102	+	}
2103	+
2104	+	// Checking our custom handler above should be sufficient, but
2105	+	// we add some integration tests of standard handlers.
2106	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2107	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2108	+
2109	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2110	+	try {
2111	+	p.execute(setThread);
2112	+	shouldThrow();
2113	+	} catch (RejectedExecutionException success) {}
2114	+	assertNull(thread.get());
2115	+
2116	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2117	+	p.execute(setThread);
2118	+	assertNull(thread.get());
2119	+
2120	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2121	+	p.execute(setThread);
2122	+	if (p.isShutdown())
2123	+	assertNull(thread.get());
2124	+	else
2125	+	assertSame(Thread.currentThread(), thread.get());
2126	+
2127	+	setRejectedExecutionHandler(p, savedHandler);
2128	+
2129	+	// check that pool was not perturbed by handlers
2130	+	assertEquals(savedTaskCount, p.getTaskCount());
2131	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2132	+	assertEquals(savedQueueSize, p.getQueue().size());
2133	+	}
2134		}

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