ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.201 by jsr166, Sun Aug 28 18:10:37 2016 UTC vs.
Revision 1.235 by jsr166, Sat Jul 22 18:23:59 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;
#	Line 53 | 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;
71	–	import java.util.regex.Matcher;
100		import java.util.regex.Pattern;
101
102		import junit.framework.AssertionFailedError;
#	Line 278 | 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 447 | 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 469 | 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 497 | 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 532 | Line 568 | public class JSR166TestCase extends Test
568		"AtomicReference9Test",
569		"AtomicReferenceArray9Test",
570		"ExecutorCompletionService9Test",
571	+	"ForkJoinPool9Test",
572		};
573		addNamedTestClasses(suite, java9TestClassNames);
574		}
#	Line 542 | 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 607 | 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 627 | 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 648 | 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 1005 | 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 1024 | Line 1096 | public class JSR166TestCase extends Test
1096		}
1097
1098		/**
1099	<	* Checks that thread does not terminate within the default
1028	<	* millisecond delay of {@code timeoutMillis()}.
1029	<	*/
1030	<	void assertThreadStaysAlive(Thread thread) {
1031	<	assertThreadStaysAlive(thread, timeoutMillis());
1032	<	}
1033	<
1034	<	/**
1035	<	* Checks that thread does not terminate within the given millisecond delay.
1099	>	* Checks that thread eventually enters the expected blocked thread state.
1100		*/
1101	<	void assertThreadStaysAlive(Thread thread, long millis) {
1102	<	try {
1103	<	// No need to optimize the failing case via Thread.join.
1104	<	delay(millis);
1105	<	assertTrue(thread.isAlive());
1106	<	} catch (InterruptedException fail) {
1107	<	threadFail("Unexpected InterruptedException");
1108	<	}
1109	<	}
1110	<
1111	<	/**
1112	<	* Checks that the threads do not terminate within the default
1113	<	* millisecond delay of {@code timeoutMillis()}.
1050	<	*/
1051	<	void assertThreadsStayAlive(Thread... threads) {
1052	<	assertThreadsStayAlive(timeoutMillis(), threads);
1053	<	}
1054	<
1055	<	/**
1056	<	* Checks that the threads do not terminate within the given millisecond delay.
1057	<	*/
1058	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1059	<	try {
1060	<	// No need to optimize the failing case via Thread.join.
1061	<	delay(millis);
1062	<	for (Thread thread : threads)
1063	<	assertTrue(thread.isAlive());
1064	<	} catch (InterruptedException fail) {
1065	<	threadFail("Unexpected InterruptedException");
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		/**
#	Line 1104 | Line 1153 | public class JSR166TestCase extends Test
1153		}
1154
1155		/**
1156	+	* The maximum number of consecutive spurious wakeups we should
1157	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1158	+	*/
1159	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1160	+
1161	+	/**
1162		* The number of elements to place in collections, arrays, etc.
1163		*/
1164		public static final int SIZE = 20;
#	Line 1207 | Line 1262 | public class JSR166TestCase extends Test
1262		}
1263		public void refresh() {}
1264		public String toString() {
1265	<	List<Permission> ps = new ArrayList<Permission>();
1265	>	List<Permission> ps = new ArrayList<>();
1266		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1267		ps.add(e.nextElement());
1268		return "AdjustablePolicy with permissions " + ps;
#	Line 1266 | Line 1321 | public class JSR166TestCase extends Test
1321		startTime = System.nanoTime();
1322		else if (millisElapsedSince(startTime) > timeoutMillis) {
1323		threadAssertTrue(thread.isAlive());
1324	<	return;
1324	>	fail("timed out waiting for thread to enter wait state");
1325		}
1326		Thread.yield();
1327		}
1328		}
1329
1330		/**
1331	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1332	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1331	>	* Spin-waits up to the specified number of milliseconds for the given
1332	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1333	>	* and additionally satisfy the given condition.
1334	>	*/
1335	>	void waitForThreadToEnterWaitState(
1336	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1337	>	long startTime = 0L;
1338	>	for (;;) {
1339	>	Thread.State s = thread.getState();
1340	>	if (s == Thread.State.BLOCKED ||
1341	>	s == Thread.State.WAITING ||
1342	>	s == Thread.State.TIMED_WAITING) {
1343	>	try {
1344	>	if (waitingForGodot.call())
1345	>	return;
1346	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1347	>	}
1348	>	else if (s == Thread.State.TERMINATED)
1349	>	fail("Unexpected thread termination");
1350	>	else if (startTime == 0L)
1351	>	startTime = System.nanoTime();
1352	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1353	>	threadAssertTrue(thread.isAlive());
1354	>	fail("timed out waiting for thread to enter wait state");
1355	>	}
1356	>	Thread.yield();
1357	>	}
1358	>	}
1359	>
1360	>	/**
1361	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1362	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1363		*/
1364		void waitForThreadToEnterWaitState(Thread thread) {
1365		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1366		}
1367
1368		/**
1369	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1370	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1371	+	* and additionally satisfy the given condition.
1372	+	*/
1373	+	void waitForThreadToEnterWaitState(
1374	+	Thread thread, Callable<Boolean> waitingForGodot) {
1375	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1376	+	}
1377	+
1378	+	/**
1379		* Returns the number of milliseconds since time given by
1380		* startNanoTime, which must have been previously returned from a
1381		* call to {@link System#nanoTime()}.
#	Line 1532 | Line 1627 | public class JSR166TestCase extends Test
1627		}
1628		}
1629
1630	+	public void await(CyclicBarrier barrier) {
1631	+	try {
1632	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1633	+	} catch (Throwable fail) {
1634	+	threadUnexpectedException(fail);
1635	+	}
1636	+	}
1637	+
1638		//     /**
1639		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1640		//      */
#	Line 1555 | Line 1658 | public class JSR166TestCase extends Test
1658		public String call() { throw new NullPointerException(); }
1659		}
1660
1558	–	public static class CallableOne implements Callable<Integer> {
1559	–	public Integer call() { return one; }
1560	–	}
1561	–
1562	–	public class ShortRunnable extends CheckedRunnable {
1563	–	protected void realRun() throws Throwable {
1564	–	delay(SHORT_DELAY_MS);
1565	–	}
1566	–	}
1567	–
1568	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1569	–	protected void realRun() throws InterruptedException {
1570	–	delay(SHORT_DELAY_MS);
1571	–	}
1572	–	}
1573	–
1574	–	public class SmallRunnable extends CheckedRunnable {
1575	–	protected void realRun() throws Throwable {
1576	–	delay(SMALL_DELAY_MS);
1577	–	}
1578	–	}
1579	–
1661		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1662		protected void realRun() {
1663		try {
#	Line 1585 | Line 1666 | public class JSR166TestCase extends Test
1666		}
1667		}
1668
1588	–	public class SmallCallable extends CheckedCallable {
1589	–	protected Object realCall() throws InterruptedException {
1590	–	delay(SMALL_DELAY_MS);
1591	–	return Boolean.TRUE;
1592	–	}
1593	–	}
1594	–
1595	–	public class MediumRunnable extends CheckedRunnable {
1596	–	protected void realRun() throws Throwable {
1597	–	delay(MEDIUM_DELAY_MS);
1598	–	}
1599	–	}
1600	–
1601	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1602	–	protected void realRun() throws InterruptedException {
1603	–	delay(MEDIUM_DELAY_MS);
1604	–	}
1605	–	}
1606	–
1669		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1670		return new CheckedRunnable() {
1671		protected void realRun() {
#	Line 1613 | Line 1675 | public class JSR166TestCase extends Test
1675		}};
1676		}
1677
1616	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1617	–	protected void realRun() {
1618	–	try {
1619	–	delay(MEDIUM_DELAY_MS);
1620	–	} catch (InterruptedException ok) {}
1621	–	}
1622	–	}
1623	–
1624	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1625	–	protected void realRun() {
1626	–	try {
1627	–	delay(LONG_DELAY_MS);
1628	–	} catch (InterruptedException ok) {}
1629	–	}
1630	–	}
1631	–
1678		/**
1679		* For use as ThreadFactory in constructors
1680		*/
#	Line 1642 | Line 1688 | public class JSR166TestCase extends Test
1688		boolean isDone();
1689		}
1690
1645	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1646	–	return new TrackedRunnable() {
1647	–	private volatile boolean done = false;
1648	–	public boolean isDone() { return done; }
1649	–	public void run() {
1650	–	try {
1651	–	delay(timeoutMillis);
1652	–	done = true;
1653	–	} catch (InterruptedException ok) {}
1654	–	}
1655	–	};
1656	–	}
1657	–
1658	–	public static class TrackedShortRunnable implements Runnable {
1659	–	public volatile boolean done = false;
1660	–	public void run() {
1661	–	try {
1662	–	delay(SHORT_DELAY_MS);
1663	–	done = true;
1664	–	} catch (InterruptedException ok) {}
1665	–	}
1666	–	}
1667	–
1668	–	public static class TrackedSmallRunnable implements Runnable {
1669	–	public volatile boolean done = false;
1670	–	public void run() {
1671	–	try {
1672	–	delay(SMALL_DELAY_MS);
1673	–	done = true;
1674	–	} catch (InterruptedException ok) {}
1675	–	}
1676	–	}
1677	–
1678	–	public static class TrackedMediumRunnable implements Runnable {
1679	–	public volatile boolean done = false;
1680	–	public void run() {
1681	–	try {
1682	–	delay(MEDIUM_DELAY_MS);
1683	–	done = true;
1684	–	} catch (InterruptedException ok) {}
1685	–	}
1686	–	}
1687	–
1688	–	public static class TrackedLongRunnable implements Runnable {
1689	–	public volatile boolean done = false;
1690	–	public void run() {
1691	–	try {
1692	–	delay(LONG_DELAY_MS);
1693	–	done = true;
1694	–	} catch (InterruptedException ok) {}
1695	–	}
1696	–	}
1697	–
1691		public static class TrackedNoOpRunnable implements Runnable {
1692		public volatile boolean done = false;
1693		public void run() {
#	Line 1702 | Line 1695 | public class JSR166TestCase extends Test
1695		}
1696		}
1697
1705	–	public static class TrackedCallable implements Callable {
1706	–	public volatile boolean done = false;
1707	–	public Object call() {
1708	–	try {
1709	–	delay(SMALL_DELAY_MS);
1710	–	done = true;
1711	–	} catch (InterruptedException ok) {}
1712	–	return Boolean.TRUE;
1713	–	}
1714	–	}
1715	–
1698		/**
1699		* Analog of CheckedRunnable for RecursiveAction
1700		*/
#	Line 1756 | Line 1738 | public class JSR166TestCase extends Test
1738		* A CyclicBarrier that uses timed await and fails with
1739		* AssertionFailedErrors instead of throwing checked exceptions.
1740		*/
1741	<	public class CheckedBarrier extends CyclicBarrier {
1741	>	public static class CheckedBarrier extends CyclicBarrier {
1742		public CheckedBarrier(int parties) { super(parties); }
1743
1744		public int await() {
#	Line 1779 | Line 1761 | public class JSR166TestCase extends Test
1761		assertEquals(0, q.size());
1762		assertNull(q.peek());
1763		assertNull(q.poll());
1764	<	assertNull(q.poll(0, MILLISECONDS));
1764	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1765		assertEquals(q.toString(), "[]");
1766		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1767		assertFalse(q.iterator().hasNext());
#	Line 1820 | Line 1802 | public class JSR166TestCase extends Test
1802		}
1803		}
1804
1805	+	void assertImmutable(final Object o) {
1806	+	if (o instanceof Collection) {
1807	+	assertThrows(
1808	+	UnsupportedOperationException.class,
1809	+	new Runnable() { public void run() {
1810	+	((Collection) o).add(null);}});
1811	+	}
1812	+	}
1813	+
1814		@SuppressWarnings("unchecked")
1815		<T> T serialClone(T o) {
1816		try {
1817		ObjectInputStream ois = new ObjectInputStream
1818		(new ByteArrayInputStream(serialBytes(o)));
1819		T clone = (T) ois.readObject();
1820	+	if (o == clone) assertImmutable(o);
1821		assertSame(o.getClass(), clone.getClass());
1822		return clone;
1823		} catch (Throwable fail) {
#	Line 1834 | Line 1826 | public class JSR166TestCase extends Test
1826		}
1827		}
1828
1829	+	/**
1830	+	* A version of serialClone that leaves error handling (for
1831	+	* e.g. NotSerializableException) up to the caller.
1832	+	*/
1833	+	@SuppressWarnings("unchecked")
1834	+	<T> T serialClonePossiblyFailing(T o)
1835	+	throws ReflectiveOperationException, java.io.IOException {
1836	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1837	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1838	+	oos.writeObject(o);
1839	+	oos.flush();
1840	+	oos.close();
1841	+	ObjectInputStream ois = new ObjectInputStream
1842	+	(new ByteArrayInputStream(bos.toByteArray()));
1843	+	T clone = (T) ois.readObject();
1844	+	if (o == clone) assertImmutable(o);
1845	+	assertSame(o.getClass(), clone.getClass());
1846	+	return clone;
1847	+	}
1848	+
1849	+	/**
1850	+	* If o implements Cloneable and has a public clone method,
1851	+	* returns a clone of o, else null.
1852	+	*/
1853	+	@SuppressWarnings("unchecked")
1854	+	<T> T cloneableClone(T o) {
1855	+	if (!(o instanceof Cloneable)) return null;
1856	+	final T clone;
1857	+	try {
1858	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1859	+	} catch (NoSuchMethodException ok) {
1860	+	return null;
1861	+	} catch (ReflectiveOperationException unexpected) {
1862	+	throw new Error(unexpected);
1863	+	}
1864	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1865	+	assertSame(o.getClass(), clone.getClass());
1866	+	return clone;
1867	+	}
1868	+
1869		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1870		Runnable... throwingActions) {
1871		for (Runnable throwingAction : throwingActions) {
#	Line 1880 | Line 1912 | public class JSR166TestCase extends Test
1912		static <T> void shuffle(T[] array) {
1913		Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1914		}
1915	+
1916	+	// --- Shared assertions for Executor tests ---
1917	+
1918	+	/**
1919	+	* Returns maximum number of tasks that can be submitted to given
1920	+	* pool (with bounded queue) before saturation (when submission
1921	+	* throws RejectedExecutionException).
1922	+	*/
1923	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1924	+	BlockingQueue<Runnable> q = pool.getQueue();
1925	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1926	+	}
1927	+
1928	+	@SuppressWarnings("FutureReturnValueIgnored")
1929	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1930	+	try {
1931	+	e.execute((Runnable) null);
1932	+	shouldThrow();
1933	+	} catch (NullPointerException success) {}
1934	+
1935	+	if (! (e instanceof ExecutorService)) return;
1936	+	ExecutorService es = (ExecutorService) e;
1937	+	try {
1938	+	es.submit((Runnable) null);
1939	+	shouldThrow();
1940	+	} catch (NullPointerException success) {}
1941	+	try {
1942	+	es.submit((Runnable) null, Boolean.TRUE);
1943	+	shouldThrow();
1944	+	} catch (NullPointerException success) {}
1945	+	try {
1946	+	es.submit((Callable) null);
1947	+	shouldThrow();
1948	+	} catch (NullPointerException success) {}
1949	+
1950	+	if (! (e instanceof ScheduledExecutorService)) return;
1951	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1952	+	try {
1953	+	ses.schedule((Runnable) null,
1954	+	randomTimeout(), randomTimeUnit());
1955	+	shouldThrow();
1956	+	} catch (NullPointerException success) {}
1957	+	try {
1958	+	ses.schedule((Callable) null,
1959	+	randomTimeout(), randomTimeUnit());
1960	+	shouldThrow();
1961	+	} catch (NullPointerException success) {}
1962	+	try {
1963	+	ses.scheduleAtFixedRate((Runnable) null,
1964	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1965	+	shouldThrow();
1966	+	} catch (NullPointerException success) {}
1967	+	try {
1968	+	ses.scheduleWithFixedDelay((Runnable) null,
1969	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1970	+	shouldThrow();
1971	+	} catch (NullPointerException success) {}
1972	+	}
1973	+
1974	+	void setRejectedExecutionHandler(
1975	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1976	+	p.setRejectedExecutionHandler(handler);
1977	+	assertSame(handler, p.getRejectedExecutionHandler());
1978	+	}
1979	+
1980	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1981	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1982	+	final long savedTaskCount = p.getTaskCount();
1983	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1984	+	final int savedQueueSize = p.getQueue().size();
1985	+	final boolean stock = (p.getClass().getClassLoader() == null);
1986	+
1987	+	Runnable r = () -> {};
1988	+	Callable<Boolean> c = () -> Boolean.TRUE;
1989	+
1990	+	class Recorder implements RejectedExecutionHandler {
1991	+	public volatile Runnable r = null;
1992	+	public volatile ThreadPoolExecutor p = null;
1993	+	public void reset() { r = null; p = null; }
1994	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1995	+	assertNull(this.r);
1996	+	assertNull(this.p);
1997	+	this.r = r;
1998	+	this.p = p;
1999	+	}
2000	+	}
2001	+
2002	+	// check custom handler is invoked exactly once per task
2003	+	Recorder recorder = new Recorder();
2004	+	setRejectedExecutionHandler(p, recorder);
2005	+	for (int i = 2; i--> 0; ) {
2006	+	recorder.reset();
2007	+	p.execute(r);
2008	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2009	+	assertSame(r, recorder.r);
2010	+	assertSame(p, recorder.p);
2011	+
2012	+	recorder.reset();
2013	+	assertFalse(p.submit(r).isDone());
2014	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2015	+	assertSame(p, recorder.p);
2016	+
2017	+	recorder.reset();
2018	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2019	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2020	+	assertSame(p, recorder.p);
2021	+
2022	+	recorder.reset();
2023	+	assertFalse(p.submit(c).isDone());
2024	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2025	+	assertSame(p, recorder.p);
2026	+
2027	+	if (p instanceof ScheduledExecutorService) {
2028	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2029	+	ScheduledFuture<?> future;
2030	+
2031	+	recorder.reset();
2032	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2033	+	assertFalse(future.isDone());
2034	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2035	+	assertSame(p, recorder.p);
2036	+
2037	+	recorder.reset();
2038	+	future = s.schedule(c, 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.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2045	+	assertFalse(future.isDone());
2046	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2047	+	assertSame(p, recorder.p);
2048	+
2049	+	recorder.reset();
2050	+	future = s.scheduleWithFixedDelay(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	+	}
2056	+
2057	+	// Checking our custom handler above should be sufficient, but
2058	+	// we add some integration tests of standard handlers.
2059	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2060	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2061	+
2062	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2063	+	try {
2064	+	p.execute(setThread);
2065	+	shouldThrow();
2066	+	} catch (RejectedExecutionException success) {}
2067	+	assertNull(thread.get());
2068	+
2069	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2070	+	p.execute(setThread);
2071	+	assertNull(thread.get());
2072	+
2073	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2074	+	p.execute(setThread);
2075	+	if (p.isShutdown())
2076	+	assertNull(thread.get());
2077	+	else
2078	+	assertSame(Thread.currentThread(), thread.get());
2079	+
2080	+	setRejectedExecutionHandler(p, savedHandler);
2081	+
2082	+	// check that pool was not perturbed by handlers
2083	+	assertEquals(savedTaskCount, p.getTaskCount());
2084	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2085	+	assertEquals(savedQueueSize, p.getQueue().size());
2086	+	}
2087		}

Diff Legend

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