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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.202 by jsr166, Thu Sep 15 00:32:45 2016 UTC vs.
Revision 1.254 by jsr166, Wed Apr 24 17:36:09 2019 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.Deque;
70		import java.util.Enumeration;
71	+	import java.util.HashSet;
72		import java.util.Iterator;
73		import java.util.List;
74		import java.util.NoSuchElementException;
75		import java.util.PropertyPermission;
76	+	import java.util.Set;
77		import java.util.concurrent.BlockingQueue;
78		import java.util.concurrent.Callable;
79		import java.util.concurrent.CountDownLatch;
80		import java.util.concurrent.CyclicBarrier;
81		import java.util.concurrent.ExecutionException;
82	+	import java.util.concurrent.Executor;
83		import java.util.concurrent.Executors;
84		import java.util.concurrent.ExecutorService;
85		import java.util.concurrent.ForkJoinPool;
86		import java.util.concurrent.Future;
87	+	import java.util.concurrent.FutureTask;
88		import java.util.concurrent.RecursiveAction;
89		import java.util.concurrent.RecursiveTask;
90	+	import java.util.concurrent.RejectedExecutionException;
91		import java.util.concurrent.RejectedExecutionHandler;
92		import java.util.concurrent.Semaphore;
93	+	import java.util.concurrent.ScheduledExecutorService;
94	+	import java.util.concurrent.ScheduledFuture;
95		import java.util.concurrent.SynchronousQueue;
96		import java.util.concurrent.ThreadFactory;
97		import java.util.concurrent.ThreadLocalRandom;
98		import java.util.concurrent.ThreadPoolExecutor;
99	+	import java.util.concurrent.TimeUnit;
100		import java.util.concurrent.TimeoutException;
101		import java.util.concurrent.atomic.AtomicBoolean;
102		import java.util.concurrent.atomic.AtomicReference;
71	–	import java.util.regex.Matcher;
103		import java.util.regex.Pattern;
104
74	–	import junit.framework.AssertionFailedError;
105		import junit.framework.Test;
106		import junit.framework.TestCase;
107		import junit.framework.TestResult;
#	Line 87 | Line 117 | import junit.framework.TestSuite;
117		*
118		* <ol>
119		*
120	<	* <li>All assertions in code running in generated threads must use
121	<	* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
122	<	* #threadAssertEquals}, or {@link #threadAssertNull}, (not
123	<	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
124	<	* particularly recommended) for other code to use these forms too.
125	<	* Only the most typically used JUnit assertion methods are defined
126	<	* this way, but enough to live with.
120	>	* <li>All code not running in the main test thread (manually spawned threads
121	>	* or the common fork join pool) must be checked for failure (and completion!).
122	>	* Mechanisms that can be used to ensure this are:
123	>	*   <ol>
124	>	*   <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch
125	>	*    that the task completed normally, which is checked before returning from
126	>	*    the test method in the main thread.
127	>	*   <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue},
128	>	*    or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.)
129	>	*    Only the most typically used JUnit assertion methods are defined
130	>	*    this way, but enough to live with.
131	>	*   <li>Recording failure explicitly using {@link #threadUnexpectedException}
132	>	*    or {@link #threadRecordFailure}.
133	>	*   <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above.
134	>	*   </ol>
135		*
136		* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
137		* to invoke {@code super.setUp} and {@code super.tearDown} within
#	Line 278 | Line 316 | public class JSR166TestCase extends Test
316
317		//     public static String cpuModel() {
318		//         try {
319	<	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
319	>	//             java.util.regex.Matcher matcher
320	>	//               = Pattern.compile("model name\\s*: (.*)")
321		//                 .matcher(new String(
322	<	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
322	>	//                     java.nio.file.Files.readAllBytes(
323	>	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
324		//             matcher.find();
325		//             return matcher.group(1);
326		//         } catch (Exception ex) { return null; }
#	Line 389 | Line 429 | public class JSR166TestCase extends Test
429		for (String testClassName : testClassNames) {
430		try {
431		Class<?> testClass = Class.forName(testClassName);
432	<	Method m = testClass.getDeclaredMethod("suite",
393	<	new Class<?>[0]);
432	>	Method m = testClass.getDeclaredMethod("suite");
433		suite.addTest(newTestSuite((Test)m.invoke(null)));
434	<	} catch (Exception e) {
435	<	throw new Error("Missing test class", e);
434	>	} catch (ReflectiveOperationException e) {
435	>	throw new AssertionError("Missing test class", e);
436		}
437		}
438		}
#	Line 415 | Line 454 | public class JSR166TestCase extends Test
454		}
455		}
456
457	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
458	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
459	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
460	<	public static boolean atLeastJava9() {
461	<	return JAVA_CLASS_VERSION >= 53.0
462	<	// As of 2015-09, java9 still uses 52.0 class file version
463	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
464	<	}
465	<	public static boolean atLeastJava10() {
466	<	return JAVA_CLASS_VERSION >= 54.0
467	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
468	<	}
457	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
458	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
459	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
460	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
461	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
462	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
463	>	public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; }
464	>	public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; }
465	>	public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; }
466	>	public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; }
467	>	public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; }
468	>	public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; }
469
470		/**
471		* Collects all JSR166 unit tests as one suite.
#	Line 447 | Line 486 | public class JSR166TestCase extends Test
486		AbstractQueuedLongSynchronizerTest.suite(),
487		ArrayBlockingQueueTest.suite(),
488		ArrayDequeTest.suite(),
489	+	ArrayListTest.suite(),
490		AtomicBooleanTest.suite(),
491		AtomicIntegerArrayTest.suite(),
492		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 469 | Line 509 | public class JSR166TestCase extends Test
509		CopyOnWriteArrayListTest.suite(),
510		CopyOnWriteArraySetTest.suite(),
511		CountDownLatchTest.suite(),
512	+	CountedCompleterTest.suite(),
513		CyclicBarrierTest.suite(),
514		DelayQueueTest.suite(),
515		EntryTest.suite(),
#	Line 476 | Line 517 | public class JSR166TestCase extends Test
517		ExecutorsTest.suite(),
518		ExecutorCompletionServiceTest.suite(),
519		FutureTaskTest.suite(),
520	+	HashtableTest.suite(),
521		LinkedBlockingDequeTest.suite(),
522		LinkedBlockingQueueTest.suite(),
523		LinkedListTest.suite(),
#	Line 497 | Line 539 | public class JSR166TestCase extends Test
539		TreeMapTest.suite(),
540		TreeSetTest.suite(),
541		TreeSubMapTest.suite(),
542	<	TreeSubSetTest.suite());
542	>	TreeSubSetTest.suite(),
543	>	VectorTest.suite());
544
545		// Java8+ test classes
546		if (atLeastJava8()) {
547		String[] java8TestClassNames = {
548	+	"ArrayDeque8Test",
549		"Atomic8Test",
550		"CompletableFutureTest",
551		"ConcurrentHashMap8Test",
552	<	"CountedCompleterTest",
552	>	"CountedCompleter8Test",
553		"DoubleAccumulatorTest",
554		"DoubleAdderTest",
555		"ForkJoinPool8Test",
556		"ForkJoinTask8Test",
557	+	"HashMapTest",
558	+	"LinkedBlockingDeque8Test",
559	+	"LinkedBlockingQueue8Test",
560	+	"LinkedHashMapTest",
561		"LongAccumulatorTest",
562		"LongAdderTest",
563		"SplittableRandomTest",
#	Line 532 | Line 580 | public class JSR166TestCase extends Test
580		"AtomicReference9Test",
581		"AtomicReferenceArray9Test",
582		"ExecutorCompletionService9Test",
583	+	"ForkJoinPool9Test",
584		};
585		addNamedTestClasses(suite, java9TestClassNames);
586		}
#	Line 542 | Line 591 | public class JSR166TestCase extends Test
591		/** Returns list of junit-style test method names in given class. */
592		public static ArrayList<String> testMethodNames(Class<?> testClass) {
593		Method[] methods = testClass.getDeclaredMethods();
594	<	ArrayList<String> names = new ArrayList<String>(methods.length);
594	>	ArrayList<String> names = new ArrayList<>(methods.length);
595		for (Method method : methods) {
596		if (method.getName().startsWith("test")
597		&& Modifier.isPublic(method.getModifiers())
#	Line 569 | Line 618 | public class JSR166TestCase extends Test
618		for (String methodName : testMethodNames(testClass))
619		suite.addTest((Test) c.newInstance(data, methodName));
620		return suite;
621	<	} catch (Exception e) {
622	<	throw new Error(e);
621	>	} catch (ReflectiveOperationException e) {
622	>	throw new AssertionError(e);
623		}
624		}
625
#	Line 586 | Line 635 | public class JSR166TestCase extends Test
635		if (atLeastJava8()) {
636		String name = testClass.getName();
637		String name8 = name.replaceAll("Test$", "8Test");
638	<	if (name.equals(name8)) throw new Error(name);
638	>	if (name.equals(name8)) throw new AssertionError(name);
639		try {
640		return (Test)
641		Class.forName(name8)
642	<	.getMethod("testSuite", new Class[] { dataClass })
642	>	.getMethod("testSuite", dataClass)
643		.invoke(null, data);
644	<	} catch (Exception e) {
645	<	throw new Error(e);
644	>	} catch (ReflectiveOperationException e) {
645	>	throw new AssertionError(e);
646		}
647		} else {
648		return new TestSuite();
#	Line 607 | Line 656 | public class JSR166TestCase extends Test
656		public static long MEDIUM_DELAY_MS;
657		public static long LONG_DELAY_MS;
658
659	+	private static final long RANDOM_TIMEOUT;
660	+	private static final long RANDOM_EXPIRED_TIMEOUT;
661	+	private static final TimeUnit RANDOM_TIMEUNIT;
662	+	static {
663	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
664	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
665	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
666	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
667	+	TimeUnit[] timeUnits = TimeUnit.values();
668	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
669	+	}
670	+
671	+	/**
672	+	* Returns a timeout for use when any value at all will do.
673	+	*/
674	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
675	+
676	+	/**
677	+	* Returns a timeout that means "no waiting", i.e. not positive.
678	+	*/
679	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
680	+
681	+	/**
682	+	* Returns a random non-null TimeUnit.
683	+	*/
684	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
685	+
686		/**
687		* Returns the shortest timed delay. This can be scaled up for
688		* slow machines using the jsr166.delay.factor system property,
#	Line 627 | Line 703 | public class JSR166TestCase extends Test
703		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
704		}
705
706	+	private static final long TIMEOUT_DELAY_MS
707	+	= (long) (12.0 * Math.cbrt(delayFactor));
708	+
709		/**
710	<	* Returns a timeout in milliseconds to be used in tests that
711	<	* verify that operations block or time out.
710	>	* Returns a timeout in milliseconds to be used in tests that verify
711	>	* that operations block or time out.  We want this to be longer
712	>	* than the OS scheduling quantum, but not too long, so don't scale
713	>	* linearly with delayFactor; we use "crazy" cube root instead.
714		*/
715	<	long timeoutMillis() {
716	<	return SHORT_DELAY_MS / 4;
715	>	static long timeoutMillis() {
716	>	return TIMEOUT_DELAY_MS;
717		}
718
719		/**
#	Line 648 | Line 729 | public class JSR166TestCase extends Test
729		* The first exception encountered if any threadAssertXXX method fails.
730		*/
731		private final AtomicReference<Throwable> threadFailure
732	<	= new AtomicReference<Throwable>(null);
732	>	= new AtomicReference<>(null);
733
734		/**
735		* Records an exception so that it can be rethrown later in the test
#	Line 670 | Line 751 | public class JSR166TestCase extends Test
751		String msg = toString() + ": " + String.format(format, args);
752		System.err.println(msg);
753		dumpTestThreads();
754	<	throw new AssertionFailedError(msg);
754	>	throw new AssertionError(msg);
755		}
756
757		/**
#	Line 691 | Line 772 | public class JSR166TestCase extends Test
772		throw (RuntimeException) t;
773		else if (t instanceof Exception)
774		throw (Exception) t;
775	<	else {
776	<	AssertionFailedError afe =
696	<	new AssertionFailedError(t.toString());
697	<	afe.initCause(t);
698	<	throw afe;
699	<	}
775	>	else
776	>	throw new AssertionError(t.toString(), t);
777		}
778
779		if (Thread.interrupted())
#	Line 730 | Line 807 | public class JSR166TestCase extends Test
807
808		/**
809		* Just like fail(reason), but additionally recording (using
810	<	* threadRecordFailure) any AssertionFailedError thrown, so that
811	<	* the current testcase will fail.
810	>	* threadRecordFailure) any AssertionError thrown, so that the
811	>	* current testcase will fail.
812		*/
813		public void threadFail(String reason) {
814		try {
815		fail(reason);
816	<	} catch (AssertionFailedError t) {
817	<	threadRecordFailure(t);
818	<	throw t;
816	>	} catch (AssertionError fail) {
817	>	threadRecordFailure(fail);
818	>	throw fail;
819		}
820		}
821
822		/**
823		* Just like assertTrue(b), but additionally recording (using
824	<	* threadRecordFailure) any AssertionFailedError thrown, so that
825	<	* the current testcase will fail.
824	>	* threadRecordFailure) any AssertionError thrown, so that the
825	>	* current testcase will fail.
826		*/
827		public void threadAssertTrue(boolean b) {
828		try {
829		assertTrue(b);
830	<	} catch (AssertionFailedError t) {
831	<	threadRecordFailure(t);
832	<	throw t;
830	>	} catch (AssertionError fail) {
831	>	threadRecordFailure(fail);
832	>	throw fail;
833		}
834		}
835
836		/**
837		* Just like assertFalse(b), but additionally recording (using
838	<	* threadRecordFailure) any AssertionFailedError thrown, so that
839	<	* the current testcase will fail.
838	>	* threadRecordFailure) any AssertionError thrown, so that the
839	>	* current testcase will fail.
840		*/
841		public void threadAssertFalse(boolean b) {
842		try {
843		assertFalse(b);
844	<	} catch (AssertionFailedError t) {
845	<	threadRecordFailure(t);
846	<	throw t;
844	>	} catch (AssertionError fail) {
845	>	threadRecordFailure(fail);
846	>	throw fail;
847		}
848		}
849
850		/**
851		* Just like assertNull(x), but additionally recording (using
852	<	* threadRecordFailure) any AssertionFailedError thrown, so that
853	<	* the current testcase will fail.
852	>	* threadRecordFailure) any AssertionError thrown, so that the
853	>	* current testcase will fail.
854		*/
855		public void threadAssertNull(Object x) {
856		try {
857		assertNull(x);
858	<	} catch (AssertionFailedError t) {
859	<	threadRecordFailure(t);
860	<	throw t;
858	>	} catch (AssertionError fail) {
859	>	threadRecordFailure(fail);
860	>	throw fail;
861		}
862		}
863
864		/**
865		* Just like assertEquals(x, y), but additionally recording (using
866	<	* threadRecordFailure) any AssertionFailedError thrown, so that
867	<	* the current testcase will fail.
866	>	* threadRecordFailure) any AssertionError thrown, so that the
867	>	* current testcase will fail.
868		*/
869		public void threadAssertEquals(long x, long y) {
870		try {
871		assertEquals(x, y);
872	<	} catch (AssertionFailedError t) {
873	<	threadRecordFailure(t);
874	<	throw t;
872	>	} catch (AssertionError fail) {
873	>	threadRecordFailure(fail);
874	>	throw fail;
875		}
876		}
877
878		/**
879		* Just like assertEquals(x, y), but additionally recording (using
880	<	* threadRecordFailure) any AssertionFailedError thrown, so that
881	<	* the current testcase will fail.
880	>	* threadRecordFailure) any AssertionError thrown, so that the
881	>	* current testcase will fail.
882		*/
883		public void threadAssertEquals(Object x, Object y) {
884		try {
885		assertEquals(x, y);
886	<	} catch (AssertionFailedError fail) {
886	>	} catch (AssertionError fail) {
887		threadRecordFailure(fail);
888		throw fail;
889		} catch (Throwable fail) {
#	Line 816 | Line 893 | public class JSR166TestCase extends Test
893
894		/**
895		* Just like assertSame(x, y), but additionally recording (using
896	<	* threadRecordFailure) any AssertionFailedError thrown, so that
897	<	* the current testcase will fail.
896	>	* threadRecordFailure) any AssertionError thrown, so that the
897	>	* current testcase will fail.
898		*/
899		public void threadAssertSame(Object x, Object y) {
900		try {
901		assertSame(x, y);
902	<	} catch (AssertionFailedError fail) {
902	>	} catch (AssertionError fail) {
903		threadRecordFailure(fail);
904		throw fail;
905		}
#	Line 844 | Line 921 | public class JSR166TestCase extends Test
921
922		/**
923		* Records the given exception using {@link #threadRecordFailure},
924	<	* then rethrows the exception, wrapping it in an
925	<	* AssertionFailedError if necessary.
924	>	* then rethrows the exception, wrapping it in an AssertionError
925	>	* if necessary.
926		*/
927		public void threadUnexpectedException(Throwable t) {
928		threadRecordFailure(t);
#	Line 854 | Line 931 | public class JSR166TestCase extends Test
931		throw (RuntimeException) t;
932		else if (t instanceof Error)
933		throw (Error) t;
934	<	else {
935	<	AssertionFailedError afe =
859	<	new AssertionFailedError("unexpected exception: " + t);
860	<	afe.initCause(t);
861	<	throw afe;
862	<	}
934	>	else
935	>	throw new AssertionError("unexpected exception: " + t, t);
936		}
937
938		/**
#	Line 1005 | Line 1078 | public class JSR166TestCase extends Test
1078		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1079		System.err.println("------ stacktrace dump start ------");
1080		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1081	<	String name = info.getThreadName();
1081	>	final String name = info.getThreadName();
1082	>	String lockName;
1083		if ("Signal Dispatcher".equals(name))
1084		continue;
1085		if ("Reference Handler".equals(name)
1086	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1086	>	&& (lockName = info.getLockName()) != null
1087	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1088		continue;
1089		if ("Finalizer".equals(name)
1090	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1090	>	&& (lockName = info.getLockName()) != null
1091	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1092		continue;
1093		if ("checkForWedgedTest".equals(name))
1094		continue;
#	Line 1024 | Line 1100 | public class JSR166TestCase extends Test
1100		}
1101
1102		/**
1103	<	* Checks that thread does not terminate within the default
1028	<	* millisecond delay of {@code timeoutMillis()}.
1103	>	* Checks that thread eventually enters the expected blocked thread state.
1104		*/
1105	<	void assertThreadStaysAlive(Thread thread) {
1106	<	assertThreadStaysAlive(thread, timeoutMillis());
1107	<	}
1108	<
1109	<	/**
1110	<	* Checks that thread does not terminate within the given millisecond delay.
1111	<	*/
1112	<	void assertThreadStaysAlive(Thread thread, long millis) {
1113	<	try {
1114	<	// No need to optimize the failing case via Thread.join.
1115	<	delay(millis);
1116	<	assertTrue(thread.isAlive());
1117	<	} catch (InterruptedException fail) {
1043	<	threadFail("Unexpected InterruptedException");
1044	<	}
1045	<	}
1046	<
1047	<	/**
1048	<	* Checks that the threads do not terminate within the default
1049	<	* 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");
1105	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1106	>	// always sleep at least 1 ms, with high probability avoiding
1107	>	// transitory states
1108	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1109	>	try { delay(1); }
1110	>	catch (InterruptedException fail) {
1111	>	throw new AssertionError("Unexpected InterruptedException", fail);
1112	>	}
1113	>	Thread.State s = thread.getState();
1114	>	if (s == expected)
1115	>	return;
1116	>	else if (s == Thread.State.TERMINATED)
1117	>	fail("Unexpected thread termination");
1118		}
1119	+	fail("timed out waiting for thread to enter thread state " + expected);
1120		}
1121
1122		/**
#	Line 1104 | Line 1157 | public class JSR166TestCase extends Test
1157		}
1158
1159		/**
1160	+	* The maximum number of consecutive spurious wakeups we should
1161	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1162	+	*/
1163	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1164	+
1165	+	/**
1166		* The number of elements to place in collections, arrays, etc.
1167		*/
1168		public static final int SIZE = 20;
#	Line 1207 | Line 1266 | public class JSR166TestCase extends Test
1266		}
1267		public void refresh() {}
1268		public String toString() {
1269	<	List<Permission> ps = new ArrayList<Permission>();
1269	>	List<Permission> ps = new ArrayList<>();
1270		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1271		ps.add(e.nextElement());
1272		return "AdjustablePolicy with permissions " + ps;
#	Line 1235 | Line 1294 | public class JSR166TestCase extends Test
1294
1295		/**
1296		* Sleeps until the given time has elapsed.
1297	<	* Throws AssertionFailedError if interrupted.
1297	>	* Throws AssertionError if interrupted.
1298		*/
1299		static void sleep(long millis) {
1300		try {
1301		delay(millis);
1302		} catch (InterruptedException fail) {
1303	<	AssertionFailedError afe =
1245	<	new AssertionFailedError("Unexpected InterruptedException");
1246	<	afe.initCause(fail);
1247	<	throw afe;
1303	>	throw new AssertionError("Unexpected InterruptedException", fail);
1304		}
1305		}
1306
1307		/**
1308		* Spin-waits up to the specified number of milliseconds for the given
1309		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1310	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1311		*/
1312	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1313	<	long startTime = 0L;
1314	<	for (;;) {
1315	<	Thread.State s = thread.getState();
1316	<	if (s == Thread.State.BLOCKED ||
1317	<	s == Thread.State.WAITING ||
1318	<	s == Thread.State.TIMED_WAITING)
1319	<	return;
1320	<	else if (s == Thread.State.TERMINATED)
1312	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1313	>	Callable<Boolean> waitingForGodot) {
1314	>	for (long startTime = 0L;;) {
1315	>	switch (thread.getState()) {
1316	>	default: break;
1317	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1318	>	try {
1319	>	if (waitingForGodot == null || waitingForGodot.call())
1320	>	return;
1321	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1322	>	break;
1323	>	case TERMINATED:
1324		fail("Unexpected thread termination");
1325	<	else if (startTime == 0L)
1325	>	}
1326	>
1327	>	if (startTime == 0L)
1328		startTime = System.nanoTime();
1329		else if (millisElapsedSince(startTime) > timeoutMillis) {
1330	<	threadAssertTrue(thread.isAlive());
1331	<	return;
1330	>	assertTrue(thread.isAlive());
1331	>	if (waitingForGodot == null
1332	>	|| thread.getState() == Thread.State.RUNNABLE)
1333	>	fail("timed out waiting for thread to enter wait state");
1334	>	else
1335	>	fail("timed out waiting for condition, thread state="
1336	>	+ thread.getState());
1337		}
1338		Thread.yield();
1339		}
1340		}
1341
1342		/**
1343	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1344	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1343	>	* Spin-waits up to the specified number of milliseconds for the given
1344	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1345	>	*/
1346	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1347	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1348	>	}
1349	>
1350	>	/**
1351	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1352	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1353		*/
1354		void waitForThreadToEnterWaitState(Thread thread) {
1355	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1355	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1356	>	}
1357	>
1358	>	/**
1359	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1360	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1361	>	* and additionally satisfy the given condition.
1362	>	*/
1363	>	void waitForThreadToEnterWaitState(Thread thread,
1364	>	Callable<Boolean> waitingForGodot) {
1365	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1366		}
1367
1368		/**
#	Line 1295 | Line 1380 | public class JSR166TestCase extends Test
1380		//             r.run();
1381		//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1382		//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1383	<	//             throw new AssertionFailedError("did not return promptly");
1383	>	//             throw new AssertionError("did not return promptly");
1384		//     }
1385
1386		//     void assertTerminatesPromptly(Runnable r) {
#	Line 1308 | Line 1393 | public class JSR166TestCase extends Test
1393		*/
1394		<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1395		long startTime = System.nanoTime();
1396	+	T actual = null;
1397		try {
1398	<	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1398	>	actual = f.get(timeoutMillis, MILLISECONDS);
1399		} catch (Throwable fail) { threadUnexpectedException(fail); }
1400	+	assertEquals(expectedValue, actual);
1401		if (millisElapsedSince(startTime) > timeoutMillis/2)
1402	<	throw new AssertionFailedError("timed get did not return promptly");
1402	>	throw new AssertionError("timed get did not return promptly");
1403		}
1404
1405		<T> void checkTimedGet(Future<T> f, T expectedValue) {
#	Line 1370 | Line 1457 | public class JSR166TestCase extends Test
1457		}
1458		}
1459
1373	–	public abstract class RunnableShouldThrow implements Runnable {
1374	–	protected abstract void realRun() throws Throwable;
1375	–
1376	–	final Class<?> exceptionClass;
1377	–
1378	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1379	–	this.exceptionClass = exceptionClass;
1380	–	}
1381	–
1382	–	public final void run() {
1383	–	try {
1384	–	realRun();
1385	–	threadShouldThrow(exceptionClass.getSimpleName());
1386	–	} catch (Throwable t) {
1387	–	if (! exceptionClass.isInstance(t))
1388	–	threadUnexpectedException(t);
1389	–	}
1390	–	}
1391	–	}
1392	–
1460		public abstract class ThreadShouldThrow extends Thread {
1461		protected abstract void realRun() throws Throwable;
1462
#	Line 1402 | Line 1469 | public class JSR166TestCase extends Test
1469		public final void run() {
1470		try {
1471		realRun();
1405	–	threadShouldThrow(exceptionClass.getSimpleName());
1472		} catch (Throwable t) {
1473		if (! exceptionClass.isInstance(t))
1474		threadUnexpectedException(t);
1475	+	return;
1476		}
1477	+	threadShouldThrow(exceptionClass.getSimpleName());
1478		}
1479		}
1480
#	Line 1416 | Line 1484 | public class JSR166TestCase extends Test
1484		public final void run() {
1485		try {
1486		realRun();
1419	–	threadShouldThrow("InterruptedException");
1487		} catch (InterruptedException success) {
1488		threadAssertFalse(Thread.interrupted());
1489	+	return;
1490		} catch (Throwable fail) {
1491		threadUnexpectedException(fail);
1492		}
1493	+	threadShouldThrow("InterruptedException");
1494		}
1495		}
1496
#	Line 1433 | Line 1502 | public class JSR166TestCase extends Test
1502		return realCall();
1503		} catch (Throwable fail) {
1504		threadUnexpectedException(fail);
1436	–	return null;
1505		}
1506	<	}
1439	<	}
1440	<
1441	<	public abstract class CheckedInterruptedCallable<T>
1442	<	implements Callable<T> {
1443	<	protected abstract T realCall() throws Throwable;
1444	<
1445	<	public final T call() {
1446	<	try {
1447	<	T result = realCall();
1448	<	threadShouldThrow("InterruptedException");
1449	<	return result;
1450	<	} catch (InterruptedException success) {
1451	<	threadAssertFalse(Thread.interrupted());
1452	<	} catch (Throwable fail) {
1453	<	threadUnexpectedException(fail);
1454	<	}
1455	<	return null;
1506	>	throw new AssertionError("unreached");
1507		}
1508		}
1509
#	Line 1509 | Line 1560 | public class JSR166TestCase extends Test
1560		}
1561
1562		public void await(CountDownLatch latch, long timeoutMillis) {
1563	+	boolean timedOut = false;
1564		try {
1565	<	if (!latch.await(timeoutMillis, MILLISECONDS))
1514	<	fail("timed out waiting for CountDownLatch for "
1515	<	+ (timeoutMillis/1000) + " sec");
1565	>	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1566		} catch (Throwable fail) {
1567		threadUnexpectedException(fail);
1568		}
1569	+	if (timedOut)
1570	+	fail("timed out waiting for CountDownLatch for "
1571	+	+ (timeoutMillis/1000) + " sec");
1572		}
1573
1574		public void await(CountDownLatch latch) {
#	Line 1523 | Line 1576 | public class JSR166TestCase extends Test
1576		}
1577
1578		public void await(Semaphore semaphore) {
1579	+	boolean timedOut = false;
1580	+	try {
1581	+	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1582	+	} catch (Throwable fail) {
1583	+	threadUnexpectedException(fail);
1584	+	}
1585	+	if (timedOut)
1586	+	fail("timed out waiting for Semaphore for "
1587	+	+ (LONG_DELAY_MS/1000) + " sec");
1588	+	}
1589	+
1590	+	public void await(CyclicBarrier barrier) {
1591		try {
1592	<	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1528	<	fail("timed out waiting for Semaphore for "
1529	<	+ (LONG_DELAY_MS/1000) + " sec");
1592	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1593		} catch (Throwable fail) {
1594		threadUnexpectedException(fail);
1595		}
#	Line 1546 | Line 1609 | public class JSR166TestCase extends Test
1609		//         long startTime = System.nanoTime();
1610		//         while (!flag.get()) {
1611		//             if (millisElapsedSince(startTime) > timeoutMillis)
1612	<	//                 throw new AssertionFailedError("timed out");
1612	>	//                 throw new AssertionError("timed out");
1613		//             Thread.yield();
1614		//         }
1615		//     }
#	Line 1555 | Line 1618 | public class JSR166TestCase extends Test
1618		public String call() { throw new NullPointerException(); }
1619		}
1620
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	–
1580	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1581	–	protected void realRun() {
1582	–	try {
1583	–	delay(SMALL_DELAY_MS);
1584	–	} catch (InterruptedException ok) {}
1585	–	}
1586	–	}
1587	–
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	–
1621		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1622		return new CheckedRunnable() {
1623		protected void realRun() {
#	Line 1613 | Line 1627 | public class JSR166TestCase extends Test
1627		}};
1628		}
1629
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	–
1630		/**
1631		* For use as ThreadFactory in constructors
1632		*/
#	Line 1642 | Line 1640 | public class JSR166TestCase extends Test
1640		boolean isDone();
1641		}
1642
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	–
1643		public static class TrackedNoOpRunnable implements Runnable {
1644		public volatile boolean done = false;
1645		public void run() {
#	Line 1702 | Line 1647 | public class JSR166TestCase extends Test
1647		}
1648		}
1649
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	–
1650		/**
1651		* Analog of CheckedRunnable for RecursiveAction
1652		*/
#	Line 1739 | Line 1673 | public class JSR166TestCase extends Test
1673		return realCompute();
1674		} catch (Throwable fail) {
1675		threadUnexpectedException(fail);
1742	–	return null;
1676		}
1677	+	throw new AssertionError("unreached");
1678		}
1679		}
1680
#	Line 1754 | Line 1688 | public class JSR166TestCase extends Test
1688
1689		/**
1690		* A CyclicBarrier that uses timed await and fails with
1691	<	* AssertionFailedErrors instead of throwing checked exceptions.
1691	>	* AssertionErrors instead of throwing checked exceptions.
1692		*/
1693		public static class CheckedBarrier extends CyclicBarrier {
1694		public CheckedBarrier(int parties) { super(parties); }
#	Line 1763 | Line 1697 | public class JSR166TestCase extends Test
1697		try {
1698		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1699		} catch (TimeoutException timedOut) {
1700	<	throw new AssertionFailedError("timed out");
1700	>	throw new AssertionError("timed out");
1701		} catch (Exception fail) {
1702	<	AssertionFailedError afe =
1769	<	new AssertionFailedError("Unexpected exception: " + fail);
1770	<	afe.initCause(fail);
1771	<	throw afe;
1702	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1703		}
1704		}
1705		}
#	Line 1779 | Line 1710 | public class JSR166TestCase extends Test
1710		assertEquals(0, q.size());
1711		assertNull(q.peek());
1712		assertNull(q.poll());
1713	<	assertNull(q.poll(0, MILLISECONDS));
1713	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1714		assertEquals(q.toString(), "[]");
1715		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1716		assertFalse(q.iterator().hasNext());
#	Line 1820 | Line 1751 | public class JSR166TestCase extends Test
1751		}
1752		}
1753
1754	+	void assertImmutable(Object o) {
1755	+	if (o instanceof Collection) {
1756	+	assertThrows(
1757	+	UnsupportedOperationException.class,
1758	+	() -> ((Collection) o).add(null));
1759	+	}
1760	+	}
1761	+
1762		@SuppressWarnings("unchecked")
1763		<T> T serialClone(T o) {
1764	+	T clone = null;
1765		try {
1766		ObjectInputStream ois = new ObjectInputStream
1767		(new ByteArrayInputStream(serialBytes(o)));
1768	<	T clone = (T) ois.readObject();
1829	<	assertSame(o.getClass(), clone.getClass());
1830	<	return clone;
1768	>	clone = (T) ois.readObject();
1769		} catch (Throwable fail) {
1770		threadUnexpectedException(fail);
1771	+	}
1772	+	if (o == clone) assertImmutable(o);
1773	+	else assertSame(o.getClass(), clone.getClass());
1774	+	return clone;
1775	+	}
1776	+
1777	+	/**
1778	+	* A version of serialClone that leaves error handling (for
1779	+	* e.g. NotSerializableException) up to the caller.
1780	+	*/
1781	+	@SuppressWarnings("unchecked")
1782	+	<T> T serialClonePossiblyFailing(T o)
1783	+	throws ReflectiveOperationException, java.io.IOException {
1784	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1785	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1786	+	oos.writeObject(o);
1787	+	oos.flush();
1788	+	oos.close();
1789	+	ObjectInputStream ois = new ObjectInputStream
1790	+	(new ByteArrayInputStream(bos.toByteArray()));
1791	+	T clone = (T) ois.readObject();
1792	+	if (o == clone) assertImmutable(o);
1793	+	else assertSame(o.getClass(), clone.getClass());
1794	+	return clone;
1795	+	}
1796	+
1797	+	/**
1798	+	* If o implements Cloneable and has a public clone method,
1799	+	* returns a clone of o, else null.
1800	+	*/
1801	+	@SuppressWarnings("unchecked")
1802	+	<T> T cloneableClone(T o) {
1803	+	if (!(o instanceof Cloneable)) return null;
1804	+	final T clone;
1805	+	try {
1806	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1807	+	} catch (NoSuchMethodException ok) {
1808		return null;
1809	+	} catch (ReflectiveOperationException unexpected) {
1810	+	throw new Error(unexpected);
1811		}
1812	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1813	+	assertSame(o.getClass(), clone.getClass());
1814	+	return clone;
1815		}
1816
1817		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1818	<	Runnable... throwingActions) {
1819	<	for (Runnable throwingAction : throwingActions) {
1818	>	Action... throwingActions) {
1819	>	for (Action throwingAction : throwingActions) {
1820		boolean threw = false;
1821		try { throwingAction.run(); }
1822		catch (Throwable t) {
1823		threw = true;
1824	<	if (!expectedExceptionClass.isInstance(t)) {
1825	<	AssertionFailedError afe =
1826	<	new AssertionFailedError
1827	<	("Expected " + expectedExceptionClass.getName() +
1828	<	", got " + t.getClass().getName());
1849	<	afe.initCause(t);
1850	<	threadUnexpectedException(afe);
1851	<	}
1824	>	if (!expectedExceptionClass.isInstance(t))
1825	>	throw new AssertionError(
1826	>	"Expected " + expectedExceptionClass.getName() +
1827	>	", got " + t.getClass().getName(),
1828	>	t);
1829		}
1830		if (!threw)
1831		shouldThrow(expectedExceptionClass.getName());
#	Line 1880 | Line 1857 | public class JSR166TestCase extends Test
1857		static <T> void shuffle(T[] array) {
1858		Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1859		}
1860	+
1861	+	/**
1862	+	* Returns the same String as would be returned by {@link
1863	+	* Object#toString}, whether or not the given object's class
1864	+	* overrides toString().
1865	+	*
1866	+	* @see System#identityHashCode
1867	+	*/
1868	+	static String identityString(Object x) {
1869	+	return x.getClass().getName()
1870	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1871	+	}
1872	+
1873	+	// --- Shared assertions for Executor tests ---
1874	+
1875	+	/**
1876	+	* Returns maximum number of tasks that can be submitted to given
1877	+	* pool (with bounded queue) before saturation (when submission
1878	+	* throws RejectedExecutionException).
1879	+	*/
1880	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1881	+	BlockingQueue<Runnable> q = pool.getQueue();
1882	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1883	+	}
1884	+
1885	+	@SuppressWarnings("FutureReturnValueIgnored")
1886	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1887	+	try {
1888	+	e.execute((Runnable) null);
1889	+	shouldThrow();
1890	+	} catch (NullPointerException success) {}
1891	+
1892	+	if (! (e instanceof ExecutorService)) return;
1893	+	ExecutorService es = (ExecutorService) e;
1894	+	try {
1895	+	es.submit((Runnable) null);
1896	+	shouldThrow();
1897	+	} catch (NullPointerException success) {}
1898	+	try {
1899	+	es.submit((Runnable) null, Boolean.TRUE);
1900	+	shouldThrow();
1901	+	} catch (NullPointerException success) {}
1902	+	try {
1903	+	es.submit((Callable) null);
1904	+	shouldThrow();
1905	+	} catch (NullPointerException success) {}
1906	+
1907	+	if (! (e instanceof ScheduledExecutorService)) return;
1908	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1909	+	try {
1910	+	ses.schedule((Runnable) null,
1911	+	randomTimeout(), randomTimeUnit());
1912	+	shouldThrow();
1913	+	} catch (NullPointerException success) {}
1914	+	try {
1915	+	ses.schedule((Callable) null,
1916	+	randomTimeout(), randomTimeUnit());
1917	+	shouldThrow();
1918	+	} catch (NullPointerException success) {}
1919	+	try {
1920	+	ses.scheduleAtFixedRate((Runnable) null,
1921	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1922	+	shouldThrow();
1923	+	} catch (NullPointerException success) {}
1924	+	try {
1925	+	ses.scheduleWithFixedDelay((Runnable) null,
1926	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1927	+	shouldThrow();
1928	+	} catch (NullPointerException success) {}
1929	+	}
1930	+
1931	+	void setRejectedExecutionHandler(
1932	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1933	+	p.setRejectedExecutionHandler(handler);
1934	+	assertSame(handler, p.getRejectedExecutionHandler());
1935	+	}
1936	+
1937	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1938	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1939	+	final long savedTaskCount = p.getTaskCount();
1940	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1941	+	final int savedQueueSize = p.getQueue().size();
1942	+	final boolean stock = (p.getClass().getClassLoader() == null);
1943	+
1944	+	Runnable r = () -> {};
1945	+	Callable<Boolean> c = () -> Boolean.TRUE;
1946	+
1947	+	class Recorder implements RejectedExecutionHandler {
1948	+	public volatile Runnable r = null;
1949	+	public volatile ThreadPoolExecutor p = null;
1950	+	public void reset() { r = null; p = null; }
1951	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1952	+	assertNull(this.r);
1953	+	assertNull(this.p);
1954	+	this.r = r;
1955	+	this.p = p;
1956	+	}
1957	+	}
1958	+
1959	+	// check custom handler is invoked exactly once per task
1960	+	Recorder recorder = new Recorder();
1961	+	setRejectedExecutionHandler(p, recorder);
1962	+	for (int i = 2; i--> 0; ) {
1963	+	recorder.reset();
1964	+	p.execute(r);
1965	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
1966	+	assertSame(r, recorder.r);
1967	+	assertSame(p, recorder.p);
1968	+
1969	+	recorder.reset();
1970	+	assertFalse(p.submit(r).isDone());
1971	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1972	+	assertSame(p, recorder.p);
1973	+
1974	+	recorder.reset();
1975	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1976	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1977	+	assertSame(p, recorder.p);
1978	+
1979	+	recorder.reset();
1980	+	assertFalse(p.submit(c).isDone());
1981	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1982	+	assertSame(p, recorder.p);
1983	+
1984	+	if (p instanceof ScheduledExecutorService) {
1985	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
1986	+	ScheduledFuture<?> future;
1987	+
1988	+	recorder.reset();
1989	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
1990	+	assertFalse(future.isDone());
1991	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1992	+	assertSame(p, recorder.p);
1993	+
1994	+	recorder.reset();
1995	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
1996	+	assertFalse(future.isDone());
1997	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1998	+	assertSame(p, recorder.p);
1999	+
2000	+	recorder.reset();
2001	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2002	+	assertFalse(future.isDone());
2003	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2004	+	assertSame(p, recorder.p);
2005	+
2006	+	recorder.reset();
2007	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2008	+	assertFalse(future.isDone());
2009	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2010	+	assertSame(p, recorder.p);
2011	+	}
2012	+	}
2013	+
2014	+	// Checking our custom handler above should be sufficient, but
2015	+	// we add some integration tests of standard handlers.
2016	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2017	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2018	+
2019	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2020	+	try {
2021	+	p.execute(setThread);
2022	+	shouldThrow();
2023	+	} catch (RejectedExecutionException success) {}
2024	+	assertNull(thread.get());
2025	+
2026	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2027	+	p.execute(setThread);
2028	+	assertNull(thread.get());
2029	+
2030	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2031	+	p.execute(setThread);
2032	+	if (p.isShutdown())
2033	+	assertNull(thread.get());
2034	+	else
2035	+	assertSame(Thread.currentThread(), thread.get());
2036	+
2037	+	setRejectedExecutionHandler(p, savedHandler);
2038	+
2039	+	// check that pool was not perturbed by handlers
2040	+	assertEquals(savedTaskCount, p.getTaskCount());
2041	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2042	+	assertEquals(savedQueueSize, p.getQueue().size());
2043	+	}
2044	+
2045	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2046	+	assertEquals(x, y);
2047	+	assertEquals(y, x);
2048	+	assertEquals(x.isEmpty(), y.isEmpty());
2049	+	assertEquals(x.size(), y.size());
2050	+	if (x instanceof List) {
2051	+	assertEquals(x.toString(), y.toString());
2052	+	}
2053	+	if (x instanceof List || x instanceof Set) {
2054	+	assertEquals(x.hashCode(), y.hashCode());
2055	+	}
2056	+	if (x instanceof List || x instanceof Deque) {
2057	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2058	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2059	+	y.toArray(new Object[0])));
2060	+	}
2061	+	}
2062	+
2063	+	/**
2064	+	* A weaker form of assertCollectionsEquals which does not insist
2065	+	* that the two collections satisfy Object#equals(Object), since
2066	+	* they may use identity semantics as Deques do.
2067	+	*/
2068	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2069	+	if (x instanceof List || x instanceof Set)
2070	+	assertCollectionsEquals(x, y);
2071	+	else {
2072	+	assertEquals(x.isEmpty(), y.isEmpty());
2073	+	assertEquals(x.size(), y.size());
2074	+	assertEquals(new HashSet(x), new HashSet(y));
2075	+	if (x instanceof Deque) {
2076	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2077	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2078	+	y.toArray(new Object[0])));
2079	+	}
2080	+	}
2081	+	}
2082		}

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