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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.193 by jsr166, Mon May 23 18:19:48 2016 UTC vs.
Revision 1.238 by jsr166, Mon Dec 11 00:27:08 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
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 28 | 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;
31	–	import java.nio.file.Files;
32	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 39 | 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 50 | 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;
67	–	import java.util.regex.Matcher;
100		import java.util.regex.Pattern;
101
102		import junit.framework.AssertionFailedError;
#	Line 274 | 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 411 | Line 445 | public class JSR166TestCase extends Test
445		}
446		}
447
448	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
449	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
450	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
451	<	public static boolean atLeastJava9() {
452	<	return JAVA_CLASS_VERSION >= 53.0
419	<	// As of 2015-09, java9 still uses 52.0 class file version
420	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
421	<	}
422	<	public static boolean atLeastJava10() {
423	<	return JAVA_CLASS_VERSION >= 54.0
424	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
425	<	}
448	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
449	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
450	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
451	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
452	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
453
454		/**
455		* Collects all JSR166 unit tests as one suite.
#	Line 443 | Line 470 | public class JSR166TestCase extends Test
470		AbstractQueuedLongSynchronizerTest.suite(),
471		ArrayBlockingQueueTest.suite(),
472		ArrayDequeTest.suite(),
473	+	ArrayListTest.suite(),
474		AtomicBooleanTest.suite(),
475		AtomicIntegerArrayTest.suite(),
476		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 465 | Line 493 | public class JSR166TestCase extends Test
493		CopyOnWriteArrayListTest.suite(),
494		CopyOnWriteArraySetTest.suite(),
495		CountDownLatchTest.suite(),
496	+	CountedCompleterTest.suite(),
497		CyclicBarrierTest.suite(),
498		DelayQueueTest.suite(),
499		EntryTest.suite(),
#	Line 493 | Line 522 | public class JSR166TestCase extends Test
522		TreeMapTest.suite(),
523		TreeSetTest.suite(),
524		TreeSubMapTest.suite(),
525	<	TreeSubSetTest.suite());
525	>	TreeSubSetTest.suite(),
526	>	VectorTest.suite());
527
528		// Java8+ test classes
529		if (atLeastJava8()) {
530		String[] java8TestClassNames = {
531	+	"ArrayDeque8Test",
532		"Atomic8Test",
533		"CompletableFutureTest",
534		"ConcurrentHashMap8Test",
535	<	"CountedCompleterTest",
535	>	"CountedCompleter8Test",
536		"DoubleAccumulatorTest",
537		"DoubleAdderTest",
538		"ForkJoinPool8Test",
539		"ForkJoinTask8Test",
540	+	"HashMapTest",
541	+	"LinkedBlockingDeque8Test",
542	+	"LinkedBlockingQueue8Test",
543		"LongAccumulatorTest",
544		"LongAdderTest",
545		"SplittableRandomTest",
#	Line 520 | Line 554 | public class JSR166TestCase extends Test
554		// Java9+ test classes
555		if (atLeastJava9()) {
556		String[] java9TestClassNames = {
557	+	"AtomicBoolean9Test",
558	+	"AtomicInteger9Test",
559	+	"AtomicIntegerArray9Test",
560	+	"AtomicLong9Test",
561	+	"AtomicLongArray9Test",
562	+	"AtomicReference9Test",
563	+	"AtomicReferenceArray9Test",
564		"ExecutorCompletionService9Test",
565	+	"ForkJoinPool9Test",
566		};
567		addNamedTestClasses(suite, java9TestClassNames);
568		}
#	Line 531 | Line 573 | public class JSR166TestCase extends Test
573		/** Returns list of junit-style test method names in given class. */
574		public static ArrayList<String> testMethodNames(Class<?> testClass) {
575		Method[] methods = testClass.getDeclaredMethods();
576	<	ArrayList<String> names = new ArrayList<String>(methods.length);
576	>	ArrayList<String> names = new ArrayList<>(methods.length);
577		for (Method method : methods) {
578		if (method.getName().startsWith("test")
579		&& Modifier.isPublic(method.getModifiers())
#	Line 596 | Line 638 | public class JSR166TestCase extends Test
638		public static long MEDIUM_DELAY_MS;
639		public static long LONG_DELAY_MS;
640
641	+	private static final long RANDOM_TIMEOUT;
642	+	private static final long RANDOM_EXPIRED_TIMEOUT;
643	+	private static final TimeUnit RANDOM_TIMEUNIT;
644	+	static {
645	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
646	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
647	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
648	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
649	+	TimeUnit[] timeUnits = TimeUnit.values();
650	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
651	+	}
652	+
653	+	/**
654	+	* Returns a timeout for use when any value at all will do.
655	+	*/
656	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
657	+
658	+	/**
659	+	* Returns a timeout that means "no waiting", i.e. not positive.
660	+	*/
661	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
662	+
663	+	/**
664	+	* Returns a random non-null TimeUnit.
665	+	*/
666	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
667	+
668		/**
669		* Returns the shortest timed delay. This can be scaled up for
670		* slow machines using the jsr166.delay.factor system property,
#	Line 616 | Line 685 | public class JSR166TestCase extends Test
685		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
686		}
687
688	+	private static final long TIMEOUT_DELAY_MS
689	+	= (long) (12.0 * Math.cbrt(delayFactor));
690	+
691		/**
692	<	* Returns a timeout in milliseconds to be used in tests that
693	<	* verify that operations block or time out.
692	>	* Returns a timeout in milliseconds to be used in tests that verify
693	>	* that operations block or time out.  We want this to be longer
694	>	* than the OS scheduling quantum, but not too long, so don't scale
695	>	* linearly with delayFactor; we use "crazy" cube root instead.
696		*/
697	<	long timeoutMillis() {
698	<	return SHORT_DELAY_MS / 4;
697	>	static long timeoutMillis() {
698	>	return TIMEOUT_DELAY_MS;
699		}
700
701		/**
#	Line 637 | Line 711 | public class JSR166TestCase extends Test
711		* The first exception encountered if any threadAssertXXX method fails.
712		*/
713		private final AtomicReference<Throwable> threadFailure
714	<	= new AtomicReference<Throwable>(null);
714	>	= new AtomicReference<>(null);
715
716		/**
717		* Records an exception so that it can be rethrown later in the test
#	Line 947 | Line 1021 | public class JSR166TestCase extends Test
1021		}
1022		}
1023
1024	<	/** Like Runnable, but with the freedom to throw anything */
1024	>	/**
1025	>	* Like Runnable, but with the freedom to throw anything.
1026	>	* junit folks had the same idea:
1027	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1028	>	*/
1029		interface Action { public void run() throws Throwable; }
1030
1031		/**
#	Line 978 | Line 1056 | public class JSR166TestCase extends Test
1056		* Uninteresting threads are filtered out.
1057		*/
1058		static void dumpTestThreads() {
1059	+	SecurityManager sm = System.getSecurityManager();
1060	+	if (sm != null) {
1061	+	try {
1062	+	System.setSecurityManager(null);
1063	+	} catch (SecurityException giveUp) {
1064	+	return;
1065	+	}
1066	+	}
1067	+
1068		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1069		System.err.println("------ stacktrace dump start ------");
1070		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1071	<	String name = info.getThreadName();
1071	>	final String name = info.getThreadName();
1072	>	String lockName;
1073		if ("Signal Dispatcher".equals(name))
1074		continue;
1075		if ("Reference Handler".equals(name)
1076	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1076	>	&& (lockName = info.getLockName()) != null
1077	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1078		continue;
1079		if ("Finalizer".equals(name)
1080	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1080	>	&& (lockName = info.getLockName()) != null
1081	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1082		continue;
1083		if ("checkForWedgedTest".equals(name))
1084		continue;
1085		System.err.print(info);
1086		}
1087		System.err.println("------ stacktrace dump end ------");
998	–	}
1088
1089	<	/**
1001	<	* Checks that thread does not terminate within the default
1002	<	* millisecond delay of {@code timeoutMillis()}.
1003	<	*/
1004	<	void assertThreadStaysAlive(Thread thread) {
1005	<	assertThreadStaysAlive(thread, timeoutMillis());
1006	<	}
1007	<
1008	<	/**
1009	<	* Checks that thread does not terminate within the given millisecond delay.
1010	<	*/
1011	<	void assertThreadStaysAlive(Thread thread, long millis) {
1012	<	try {
1013	<	// No need to optimize the failing case via Thread.join.
1014	<	delay(millis);
1015	<	assertTrue(thread.isAlive());
1016	<	} catch (InterruptedException fail) {
1017	<	threadFail("Unexpected InterruptedException");
1018	<	}
1019	<	}
1020	<
1021	<	/**
1022	<	* Checks that the threads do not terminate within the default
1023	<	* millisecond delay of {@code timeoutMillis()}.
1024	<	*/
1025	<	void assertThreadsStayAlive(Thread... threads) {
1026	<	assertThreadsStayAlive(timeoutMillis(), threads);
1089	>	if (sm != null) System.setSecurityManager(sm);
1090		}
1091
1092		/**
1093	<	* Checks that the threads do not terminate within the given millisecond delay.
1093	>	* Checks that thread eventually enters the expected blocked thread state.
1094		*/
1095	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1096	<	try {
1097	<	// No need to optimize the failing case via Thread.join.
1098	<	delay(millis);
1099	<	for (Thread thread : threads)
1100	<	assertTrue(thread.isAlive());
1101	<	} catch (InterruptedException fail) {
1102	<	threadFail("Unexpected InterruptedException");
1095	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1096	>	// always sleep at least 1 ms, with high probability avoiding
1097	>	// transitory states
1098	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1099	>	try { delay(1); }
1100	>	catch (InterruptedException fail) {
1101	>	fail("Unexpected InterruptedException");
1102	>	}
1103	>	Thread.State s = thread.getState();
1104	>	if (s == expected)
1105	>	return;
1106	>	else if (s == Thread.State.TERMINATED)
1107	>	fail("Unexpected thread termination");
1108		}
1109	+	fail("timed out waiting for thread to enter thread state " + expected);
1110		}
1111
1112		/**
#	Line 1078 | Line 1147 | public class JSR166TestCase extends Test
1147		}
1148
1149		/**
1150	+	* The maximum number of consecutive spurious wakeups we should
1151	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1152	+	*/
1153	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1154	+
1155	+	/**
1156		* The number of elements to place in collections, arrays, etc.
1157		*/
1158		public static final int SIZE = 20;
#	Line 1181 | Line 1256 | public class JSR166TestCase extends Test
1256		}
1257		public void refresh() {}
1258		public String toString() {
1259	<	List<Permission> ps = new ArrayList<Permission>();
1259	>	List<Permission> ps = new ArrayList<>();
1260		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1261		ps.add(e.nextElement());
1262		return "AdjustablePolicy with permissions " + ps;
#	Line 1211 | Line 1286 | public class JSR166TestCase extends Test
1286		* Sleeps until the given time has elapsed.
1287		* Throws AssertionFailedError if interrupted.
1288		*/
1289	<	void sleep(long millis) {
1289	>	static void sleep(long millis) {
1290		try {
1291		delay(millis);
1292		} catch (InterruptedException fail) {
#	Line 1227 | Line 1302 | public class JSR166TestCase extends Test
1302		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1303		*/
1304		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1305	<	long startTime = System.nanoTime();
1305	>	long startTime = 0L;
1306		for (;;) {
1307		Thread.State s = thread.getState();
1308		if (s == Thread.State.BLOCKED ||
#	Line 1236 | Line 1311 | public class JSR166TestCase extends Test
1311		return;
1312		else if (s == Thread.State.TERMINATED)
1313		fail("Unexpected thread termination");
1314	+	else if (startTime == 0L)
1315	+	startTime = System.nanoTime();
1316		else if (millisElapsedSince(startTime) > timeoutMillis) {
1317		threadAssertTrue(thread.isAlive());
1318	<	return;
1318	>	fail("timed out waiting for thread to enter wait state");
1319	>	}
1320	>	Thread.yield();
1321	>	}
1322	>	}
1323	>
1324	>	/**
1325	>	* Spin-waits up to the specified number of milliseconds for the given
1326	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1327	>	* and additionally satisfy the given condition.
1328	>	*/
1329	>	void waitForThreadToEnterWaitState(
1330	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1331	>	long startTime = 0L;
1332	>	for (;;) {
1333	>	Thread.State s = thread.getState();
1334	>	if (s == Thread.State.BLOCKED ||
1335	>	s == Thread.State.WAITING ||
1336	>	s == Thread.State.TIMED_WAITING) {
1337	>	try {
1338	>	if (waitingForGodot.call())
1339	>	return;
1340	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1341	>	}
1342	>	else if (s == Thread.State.TERMINATED)
1343	>	fail("Unexpected thread termination");
1344	>	else if (startTime == 0L)
1345	>	startTime = System.nanoTime();
1346	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1347	>	threadAssertTrue(thread.isAlive());
1348	>	fail("timed out waiting for thread to enter wait state");
1349		}
1350		Thread.yield();
1351		}
1352		}
1353
1354		/**
1355	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1356	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1355	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1356	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1357		*/
1358		void waitForThreadToEnterWaitState(Thread thread) {
1359		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1360		}
1361
1362		/**
1363	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1364	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1365	+	* and additionally satisfy the given condition.
1366	+	*/
1367	+	void waitForThreadToEnterWaitState(
1368	+	Thread thread, Callable<Boolean> waitingForGodot) {
1369	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1370	+	}
1371	+
1372	+	/**
1373		* Returns the number of milliseconds since time given by
1374		* startNanoTime, which must have been previously returned from a
1375		* call to {@link System#nanoTime()}.
#	Line 1504 | Line 1621 | public class JSR166TestCase extends Test
1621		}
1622		}
1623
1624	+	public void await(CyclicBarrier barrier) {
1625	+	try {
1626	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1627	+	} catch (Throwable fail) {
1628	+	threadUnexpectedException(fail);
1629	+	}
1630	+	}
1631	+
1632		//     /**
1633		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1634		//      */
#	Line 1527 | Line 1652 | public class JSR166TestCase extends Test
1652		public String call() { throw new NullPointerException(); }
1653		}
1654
1530	–	public static class CallableOne implements Callable<Integer> {
1531	–	public Integer call() { return one; }
1532	–	}
1533	–
1534	–	public class ShortRunnable extends CheckedRunnable {
1535	–	protected void realRun() throws Throwable {
1536	–	delay(SHORT_DELAY_MS);
1537	–	}
1538	–	}
1539	–
1540	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1541	–	protected void realRun() throws InterruptedException {
1542	–	delay(SHORT_DELAY_MS);
1543	–	}
1544	–	}
1545	–
1546	–	public class SmallRunnable extends CheckedRunnable {
1547	–	protected void realRun() throws Throwable {
1548	–	delay(SMALL_DELAY_MS);
1549	–	}
1550	–	}
1551	–
1655		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1656		protected void realRun() {
1657		try {
#	Line 1557 | Line 1660 | public class JSR166TestCase extends Test
1660		}
1661		}
1662
1560	–	public class SmallCallable extends CheckedCallable {
1561	–	protected Object realCall() throws InterruptedException {
1562	–	delay(SMALL_DELAY_MS);
1563	–	return Boolean.TRUE;
1564	–	}
1565	–	}
1566	–
1567	–	public class MediumRunnable extends CheckedRunnable {
1568	–	protected void realRun() throws Throwable {
1569	–	delay(MEDIUM_DELAY_MS);
1570	–	}
1571	–	}
1572	–
1573	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1574	–	protected void realRun() throws InterruptedException {
1575	–	delay(MEDIUM_DELAY_MS);
1576	–	}
1577	–	}
1578	–
1663		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1664		return new CheckedRunnable() {
1665		protected void realRun() {
#	Line 1585 | Line 1669 | public class JSR166TestCase extends Test
1669		}};
1670		}
1671
1588	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1589	–	protected void realRun() {
1590	–	try {
1591	–	delay(MEDIUM_DELAY_MS);
1592	–	} catch (InterruptedException ok) {}
1593	–	}
1594	–	}
1595	–
1596	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1597	–	protected void realRun() {
1598	–	try {
1599	–	delay(LONG_DELAY_MS);
1600	–	} catch (InterruptedException ok) {}
1601	–	}
1602	–	}
1603	–
1672		/**
1673		* For use as ThreadFactory in constructors
1674		*/
#	Line 1614 | Line 1682 | public class JSR166TestCase extends Test
1682		boolean isDone();
1683		}
1684
1617	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1618	–	return new TrackedRunnable() {
1619	–	private volatile boolean done = false;
1620	–	public boolean isDone() { return done; }
1621	–	public void run() {
1622	–	try {
1623	–	delay(timeoutMillis);
1624	–	done = true;
1625	–	} catch (InterruptedException ok) {}
1626	–	}
1627	–	};
1628	–	}
1629	–
1630	–	public static class TrackedShortRunnable implements Runnable {
1631	–	public volatile boolean done = false;
1632	–	public void run() {
1633	–	try {
1634	–	delay(SHORT_DELAY_MS);
1635	–	done = true;
1636	–	} catch (InterruptedException ok) {}
1637	–	}
1638	–	}
1639	–
1640	–	public static class TrackedSmallRunnable implements Runnable {
1641	–	public volatile boolean done = false;
1642	–	public void run() {
1643	–	try {
1644	–	delay(SMALL_DELAY_MS);
1645	–	done = true;
1646	–	} catch (InterruptedException ok) {}
1647	–	}
1648	–	}
1649	–
1650	–	public static class TrackedMediumRunnable implements Runnable {
1651	–	public volatile boolean done = false;
1652	–	public void run() {
1653	–	try {
1654	–	delay(MEDIUM_DELAY_MS);
1655	–	done = true;
1656	–	} catch (InterruptedException ok) {}
1657	–	}
1658	–	}
1659	–
1660	–	public static class TrackedLongRunnable implements Runnable {
1661	–	public volatile boolean done = false;
1662	–	public void run() {
1663	–	try {
1664	–	delay(LONG_DELAY_MS);
1665	–	done = true;
1666	–	} catch (InterruptedException ok) {}
1667	–	}
1668	–	}
1669	–
1685		public static class TrackedNoOpRunnable implements Runnable {
1686		public volatile boolean done = false;
1687		public void run() {
#	Line 1674 | Line 1689 | public class JSR166TestCase extends Test
1689		}
1690		}
1691
1677	–	public static class TrackedCallable implements Callable {
1678	–	public volatile boolean done = false;
1679	–	public Object call() {
1680	–	try {
1681	–	delay(SMALL_DELAY_MS);
1682	–	done = true;
1683	–	} catch (InterruptedException ok) {}
1684	–	return Boolean.TRUE;
1685	–	}
1686	–	}
1687	–
1692		/**
1693		* Analog of CheckedRunnable for RecursiveAction
1694		*/
#	Line 1728 | Line 1732 | public class JSR166TestCase extends Test
1732		* A CyclicBarrier that uses timed await and fails with
1733		* AssertionFailedErrors instead of throwing checked exceptions.
1734		*/
1735	<	public class CheckedBarrier extends CyclicBarrier {
1735	>	public static class CheckedBarrier extends CyclicBarrier {
1736		public CheckedBarrier(int parties) { super(parties); }
1737
1738		public int await() {
#	Line 1751 | Line 1755 | public class JSR166TestCase extends Test
1755		assertEquals(0, q.size());
1756		assertNull(q.peek());
1757		assertNull(q.poll());
1758	<	assertNull(q.poll(0, MILLISECONDS));
1758	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1759		assertEquals(q.toString(), "[]");
1760		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1761		assertFalse(q.iterator().hasNext());
#	Line 1792 | Line 1796 | public class JSR166TestCase extends Test
1796		}
1797		}
1798
1799	+	void assertImmutable(final Object o) {
1800	+	if (o instanceof Collection) {
1801	+	assertThrows(
1802	+	UnsupportedOperationException.class,
1803	+	new Runnable() { public void run() {
1804	+	((Collection) o).add(null);}});
1805	+	}
1806	+	}
1807	+
1808		@SuppressWarnings("unchecked")
1809		<T> T serialClone(T o) {
1810		try {
1811		ObjectInputStream ois = new ObjectInputStream
1812		(new ByteArrayInputStream(serialBytes(o)));
1813		T clone = (T) ois.readObject();
1814	+	if (o == clone) assertImmutable(o);
1815		assertSame(o.getClass(), clone.getClass());
1816		return clone;
1817		} catch (Throwable fail) {
#	Line 1806 | Line 1820 | public class JSR166TestCase extends Test
1820		}
1821		}
1822
1823	+	/**
1824	+	* A version of serialClone that leaves error handling (for
1825	+	* e.g. NotSerializableException) up to the caller.
1826	+	*/
1827	+	@SuppressWarnings("unchecked")
1828	+	<T> T serialClonePossiblyFailing(T o)
1829	+	throws ReflectiveOperationException, java.io.IOException {
1830	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1831	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1832	+	oos.writeObject(o);
1833	+	oos.flush();
1834	+	oos.close();
1835	+	ObjectInputStream ois = new ObjectInputStream
1836	+	(new ByteArrayInputStream(bos.toByteArray()));
1837	+	T clone = (T) ois.readObject();
1838	+	if (o == clone) assertImmutable(o);
1839	+	assertSame(o.getClass(), clone.getClass());
1840	+	return clone;
1841	+	}
1842	+
1843	+	/**
1844	+	* If o implements Cloneable and has a public clone method,
1845	+	* returns a clone of o, else null.
1846	+	*/
1847	+	@SuppressWarnings("unchecked")
1848	+	<T> T cloneableClone(T o) {
1849	+	if (!(o instanceof Cloneable)) return null;
1850	+	final T clone;
1851	+	try {
1852	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1853	+	} catch (NoSuchMethodException ok) {
1854	+	return null;
1855	+	} catch (ReflectiveOperationException unexpected) {
1856	+	throw new Error(unexpected);
1857	+	}
1858	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1859	+	assertSame(o.getClass(), clone.getClass());
1860	+	return clone;
1861	+	}
1862	+
1863		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1864		Runnable... throwingActions) {
1865		for (Runnable throwingAction : throwingActions) {
#	Line 1849 | Line 1903 | public class JSR166TestCase extends Test
1903		1000L, MILLISECONDS,
1904		new SynchronousQueue<Runnable>());
1905
1906	+	static <T> void shuffle(T[] array) {
1907	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1908	+	}
1909	+
1910	+	/**
1911	+	* Returns the same String as would be returned by {@link
1912	+	* Object#toString}, whether or not the given object's class
1913	+	* overrides toString().
1914	+	*
1915	+	* @see System#identityHashCode
1916	+	*/
1917	+	static String identityString(Object x) {
1918	+	return x.getClass().getName()
1919	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1920	+	}
1921	+
1922	+	// --- Shared assertions for Executor tests ---
1923	+
1924	+	/**
1925	+	* Returns maximum number of tasks that can be submitted to given
1926	+	* pool (with bounded queue) before saturation (when submission
1927	+	* throws RejectedExecutionException).
1928	+	*/
1929	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1930	+	BlockingQueue<Runnable> q = pool.getQueue();
1931	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1932	+	}
1933	+
1934	+	@SuppressWarnings("FutureReturnValueIgnored")
1935	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1936	+	try {
1937	+	e.execute((Runnable) null);
1938	+	shouldThrow();
1939	+	} catch (NullPointerException success) {}
1940	+
1941	+	if (! (e instanceof ExecutorService)) return;
1942	+	ExecutorService es = (ExecutorService) e;
1943	+	try {
1944	+	es.submit((Runnable) null);
1945	+	shouldThrow();
1946	+	} catch (NullPointerException success) {}
1947	+	try {
1948	+	es.submit((Runnable) null, Boolean.TRUE);
1949	+	shouldThrow();
1950	+	} catch (NullPointerException success) {}
1951	+	try {
1952	+	es.submit((Callable) null);
1953	+	shouldThrow();
1954	+	} catch (NullPointerException success) {}
1955	+
1956	+	if (! (e instanceof ScheduledExecutorService)) return;
1957	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1958	+	try {
1959	+	ses.schedule((Runnable) null,
1960	+	randomTimeout(), randomTimeUnit());
1961	+	shouldThrow();
1962	+	} catch (NullPointerException success) {}
1963	+	try {
1964	+	ses.schedule((Callable) null,
1965	+	randomTimeout(), randomTimeUnit());
1966	+	shouldThrow();
1967	+	} catch (NullPointerException success) {}
1968	+	try {
1969	+	ses.scheduleAtFixedRate((Runnable) null,
1970	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1971	+	shouldThrow();
1972	+	} catch (NullPointerException success) {}
1973	+	try {
1974	+	ses.scheduleWithFixedDelay((Runnable) null,
1975	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1976	+	shouldThrow();
1977	+	} catch (NullPointerException success) {}
1978	+	}
1979	+
1980	+	void setRejectedExecutionHandler(
1981	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1982	+	p.setRejectedExecutionHandler(handler);
1983	+	assertSame(handler, p.getRejectedExecutionHandler());
1984	+	}
1985	+
1986	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1987	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1988	+	final long savedTaskCount = p.getTaskCount();
1989	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1990	+	final int savedQueueSize = p.getQueue().size();
1991	+	final boolean stock = (p.getClass().getClassLoader() == null);
1992	+
1993	+	Runnable r = () -> {};
1994	+	Callable<Boolean> c = () -> Boolean.TRUE;
1995	+
1996	+	class Recorder implements RejectedExecutionHandler {
1997	+	public volatile Runnable r = null;
1998	+	public volatile ThreadPoolExecutor p = null;
1999	+	public void reset() { r = null; p = null; }
2000	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
2001	+	assertNull(this.r);
2002	+	assertNull(this.p);
2003	+	this.r = r;
2004	+	this.p = p;
2005	+	}
2006	+	}
2007	+
2008	+	// check custom handler is invoked exactly once per task
2009	+	Recorder recorder = new Recorder();
2010	+	setRejectedExecutionHandler(p, recorder);
2011	+	for (int i = 2; i--> 0; ) {
2012	+	recorder.reset();
2013	+	p.execute(r);
2014	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2015	+	assertSame(r, recorder.r);
2016	+	assertSame(p, recorder.p);
2017	+
2018	+	recorder.reset();
2019	+	assertFalse(p.submit(r).isDone());
2020	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2021	+	assertSame(p, recorder.p);
2022	+
2023	+	recorder.reset();
2024	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2025	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2026	+	assertSame(p, recorder.p);
2027	+
2028	+	recorder.reset();
2029	+	assertFalse(p.submit(c).isDone());
2030	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2031	+	assertSame(p, recorder.p);
2032	+
2033	+	if (p instanceof ScheduledExecutorService) {
2034	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2035	+	ScheduledFuture<?> future;
2036	+
2037	+	recorder.reset();
2038	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2039	+	assertFalse(future.isDone());
2040	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2041	+	assertSame(p, recorder.p);
2042	+
2043	+	recorder.reset();
2044	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2045	+	assertFalse(future.isDone());
2046	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2047	+	assertSame(p, recorder.p);
2048	+
2049	+	recorder.reset();
2050	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2051	+	assertFalse(future.isDone());
2052	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2053	+	assertSame(p, recorder.p);
2054	+
2055	+	recorder.reset();
2056	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2057	+	assertFalse(future.isDone());
2058	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2059	+	assertSame(p, recorder.p);
2060	+	}
2061	+	}
2062	+
2063	+	// Checking our custom handler above should be sufficient, but
2064	+	// we add some integration tests of standard handlers.
2065	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2066	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2067	+
2068	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2069	+	try {
2070	+	p.execute(setThread);
2071	+	shouldThrow();
2072	+	} catch (RejectedExecutionException success) {}
2073	+	assertNull(thread.get());
2074	+
2075	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2076	+	p.execute(setThread);
2077	+	assertNull(thread.get());
2078	+
2079	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2080	+	p.execute(setThread);
2081	+	if (p.isShutdown())
2082	+	assertNull(thread.get());
2083	+	else
2084	+	assertSame(Thread.currentThread(), thread.get());
2085	+
2086	+	setRejectedExecutionHandler(p, savedHandler);
2087	+
2088	+	// check that pool was not perturbed by handlers
2089	+	assertEquals(savedTaskCount, p.getTaskCount());
2090	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2091	+	assertEquals(savedQueueSize, p.getQueue().size());
2092	+	}
2093		}

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