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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.212 by jsr166, Fri Dec 9 04:24:07 2016 UTC vs.
Revision 1.245 by jsr166, Sun Jul 22 21:19:14 2018 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.base/java.util.concurrent:open
14	<	*          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 31 | 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;
34	–	import java.nio.file.Files;
35	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 45 | Line 66 | 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;
73	–	import java.util.regex.Matcher;
103		import java.util.regex.Pattern;
104
76	–	import junit.framework.AssertionFailedError;
105		import junit.framework.Test;
106		import junit.framework.TestCase;
107		import junit.framework.TestResult;
#	Line 280 | Line 308 | public class JSR166TestCase extends Test
308
309		//     public static String cpuModel() {
310		//         try {
311	<	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
311	>	//             java.util.regex.Matcher matcher
312	>	//               = Pattern.compile("model name\\s*: (.*)")
313		//                 .matcher(new String(
314	<	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
314	>	//                     java.nio.file.Files.readAllBytes(
315	>	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
316		//             matcher.find();
317		//             return matcher.group(1);
318		//         } catch (Exception ex) { return null; }
#	Line 391 | Line 421 | public class JSR166TestCase extends Test
421		for (String testClassName : testClassNames) {
422		try {
423		Class<?> testClass = Class.forName(testClassName);
424	<	Method m = testClass.getDeclaredMethod("suite",
395	<	new Class<?>[0]);
424	>	Method m = testClass.getDeclaredMethod("suite");
425		suite.addTest(newTestSuite((Test)m.invoke(null)));
426	<	} catch (Exception e) {
427	<	throw new Error("Missing test class", e);
426	>	} catch (ReflectiveOperationException e) {
427	>	throw new AssertionError("Missing test class", e);
428		}
429		}
430		}
#	Line 417 | Line 446 | public class JSR166TestCase extends Test
446		}
447		}
448
449	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
450	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
451	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
452	<	public static boolean atLeastJava9() {
453	<	return JAVA_CLASS_VERSION >= 53.0
454	<	// As of 2015-09, java9 still uses 52.0 class file version
426	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
427	<	}
428	<	public static boolean atLeastJava10() {
429	<	return JAVA_CLASS_VERSION >= 54.0
430	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
431	<	}
449	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
450	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
451	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
452	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
453	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
454	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
455
456		/**
457		* Collects all JSR166 unit tests as one suite.
#	Line 516 | Line 539 | public class JSR166TestCase extends Test
539		"DoubleAdderTest",
540		"ForkJoinPool8Test",
541		"ForkJoinTask8Test",
542	+	"HashMapTest",
543	+	"LinkedBlockingDeque8Test",
544	+	"LinkedBlockingQueue8Test",
545		"LongAccumulatorTest",
546		"LongAdderTest",
547		"SplittableRandomTest",
#	Line 538 | Line 564 | public class JSR166TestCase extends Test
564		"AtomicReference9Test",
565		"AtomicReferenceArray9Test",
566		"ExecutorCompletionService9Test",
567	+	"ForkJoinPool9Test",
568		};
569		addNamedTestClasses(suite, java9TestClassNames);
570		}
#	Line 548 | Line 575 | public class JSR166TestCase extends Test
575		/** Returns list of junit-style test method names in given class. */
576		public static ArrayList<String> testMethodNames(Class<?> testClass) {
577		Method[] methods = testClass.getDeclaredMethods();
578	<	ArrayList<String> names = new ArrayList<String>(methods.length);
578	>	ArrayList<String> names = new ArrayList<>(methods.length);
579		for (Method method : methods) {
580		if (method.getName().startsWith("test")
581		&& Modifier.isPublic(method.getModifiers())
#	Line 575 | Line 602 | public class JSR166TestCase extends Test
602		for (String methodName : testMethodNames(testClass))
603		suite.addTest((Test) c.newInstance(data, methodName));
604		return suite;
605	<	} catch (Exception e) {
606	<	throw new Error(e);
605	>	} catch (ReflectiveOperationException e) {
606	>	throw new AssertionError(e);
607		}
608		}
609
#	Line 592 | Line 619 | public class JSR166TestCase extends Test
619		if (atLeastJava8()) {
620		String name = testClass.getName();
621		String name8 = name.replaceAll("Test$", "8Test");
622	<	if (name.equals(name8)) throw new Error(name);
622	>	if (name.equals(name8)) throw new AssertionError(name);
623		try {
624		return (Test)
625		Class.forName(name8)
626	<	.getMethod("testSuite", new Class[] { dataClass })
626	>	.getMethod("testSuite", dataClass)
627		.invoke(null, data);
628	<	} catch (Exception e) {
629	<	throw new Error(e);
628	>	} catch (ReflectiveOperationException e) {
629	>	throw new AssertionError(e);
630		}
631		} else {
632		return new TestSuite();
#	Line 613 | Line 640 | public class JSR166TestCase extends Test
640		public static long MEDIUM_DELAY_MS;
641		public static long LONG_DELAY_MS;
642
643	+	private static final long RANDOM_TIMEOUT;
644	+	private static final long RANDOM_EXPIRED_TIMEOUT;
645	+	private static final TimeUnit RANDOM_TIMEUNIT;
646	+	static {
647	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
648	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
649	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
650	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
651	+	TimeUnit[] timeUnits = TimeUnit.values();
652	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
653	+	}
654	+
655	+	/**
656	+	* Returns a timeout for use when any value at all will do.
657	+	*/
658	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
659	+
660	+	/**
661	+	* Returns a timeout that means "no waiting", i.e. not positive.
662	+	*/
663	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
664	+
665	+	/**
666	+	* Returns a random non-null TimeUnit.
667	+	*/
668	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
669	+
670		/**
671		* Returns the shortest timed delay. This can be scaled up for
672		* slow machines using the jsr166.delay.factor system property,
#	Line 633 | Line 687 | public class JSR166TestCase extends Test
687		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
688		}
689
690	+	private static final long TIMEOUT_DELAY_MS
691	+	= (long) (12.0 * Math.cbrt(delayFactor));
692	+
693		/**
694	<	* Returns a timeout in milliseconds to be used in tests that
695	<	* verify that operations block or time out.
694	>	* Returns a timeout in milliseconds to be used in tests that verify
695	>	* that operations block or time out.  We want this to be longer
696	>	* than the OS scheduling quantum, but not too long, so don't scale
697	>	* linearly with delayFactor; we use "crazy" cube root instead.
698		*/
699	<	long timeoutMillis() {
700	<	return SHORT_DELAY_MS / 4;
699	>	static long timeoutMillis() {
700	>	return TIMEOUT_DELAY_MS;
701		}
702
703		/**
#	Line 654 | Line 713 | public class JSR166TestCase extends Test
713		* The first exception encountered if any threadAssertXXX method fails.
714		*/
715		private final AtomicReference<Throwable> threadFailure
716	<	= new AtomicReference<Throwable>(null);
716	>	= new AtomicReference<>(null);
717
718		/**
719		* Records an exception so that it can be rethrown later in the test
#	Line 676 | Line 735 | public class JSR166TestCase extends Test
735		String msg = toString() + ": " + String.format(format, args);
736		System.err.println(msg);
737		dumpTestThreads();
738	<	throw new AssertionFailedError(msg);
738	>	throw new AssertionError(msg);
739		}
740
741		/**
#	Line 697 | Line 756 | public class JSR166TestCase extends Test
756		throw (RuntimeException) t;
757		else if (t instanceof Exception)
758		throw (Exception) t;
759	<	else {
760	<	AssertionFailedError afe =
702	<	new AssertionFailedError(t.toString());
703	<	afe.initCause(t);
704	<	throw afe;
705	<	}
759	>	else
760	>	throw new AssertionError(t.toString(), t);
761		}
762
763		if (Thread.interrupted())
#	Line 736 | Line 791 | public class JSR166TestCase extends Test
791
792		/**
793		* Just like fail(reason), but additionally recording (using
794	<	* threadRecordFailure) any AssertionFailedError thrown, so that
795	<	* the current testcase will fail.
794	>	* threadRecordFailure) any AssertionError thrown, so that the
795	>	* current testcase will fail.
796		*/
797		public void threadFail(String reason) {
798		try {
799		fail(reason);
800	<	} catch (AssertionFailedError t) {
801	<	threadRecordFailure(t);
802	<	throw t;
800	>	} catch (AssertionError fail) {
801	>	threadRecordFailure(fail);
802	>	throw fail;
803		}
804		}
805
806		/**
807		* Just like assertTrue(b), but additionally recording (using
808	<	* threadRecordFailure) any AssertionFailedError thrown, so that
809	<	* the current testcase will fail.
808	>	* threadRecordFailure) any AssertionError thrown, so that the
809	>	* current testcase will fail.
810		*/
811		public void threadAssertTrue(boolean b) {
812		try {
813		assertTrue(b);
814	<	} catch (AssertionFailedError t) {
815	<	threadRecordFailure(t);
816	<	throw t;
814	>	} catch (AssertionError fail) {
815	>	threadRecordFailure(fail);
816	>	throw fail;
817		}
818		}
819
820		/**
821		* Just like assertFalse(b), but additionally recording (using
822	<	* threadRecordFailure) any AssertionFailedError thrown, so that
823	<	* the current testcase will fail.
822	>	* threadRecordFailure) any AssertionError thrown, so that the
823	>	* current testcase will fail.
824		*/
825		public void threadAssertFalse(boolean b) {
826		try {
827		assertFalse(b);
828	<	} catch (AssertionFailedError t) {
829	<	threadRecordFailure(t);
830	<	throw t;
828	>	} catch (AssertionError fail) {
829	>	threadRecordFailure(fail);
830	>	throw fail;
831		}
832		}
833
834		/**
835		* Just like assertNull(x), but additionally recording (using
836	<	* threadRecordFailure) any AssertionFailedError thrown, so that
837	<	* the current testcase will fail.
836	>	* threadRecordFailure) any AssertionError thrown, so that the
837	>	* current testcase will fail.
838		*/
839		public void threadAssertNull(Object x) {
840		try {
841		assertNull(x);
842	<	} catch (AssertionFailedError t) {
843	<	threadRecordFailure(t);
844	<	throw t;
842	>	} catch (AssertionError fail) {
843	>	threadRecordFailure(fail);
844	>	throw fail;
845		}
846		}
847
848		/**
849		* Just like assertEquals(x, y), but additionally recording (using
850	<	* threadRecordFailure) any AssertionFailedError thrown, so that
851	<	* the current testcase will fail.
850	>	* threadRecordFailure) any AssertionError thrown, so that the
851	>	* current testcase will fail.
852		*/
853		public void threadAssertEquals(long x, long y) {
854		try {
855		assertEquals(x, y);
856	<	} catch (AssertionFailedError t) {
857	<	threadRecordFailure(t);
858	<	throw t;
856	>	} catch (AssertionError fail) {
857	>	threadRecordFailure(fail);
858	>	throw fail;
859		}
860		}
861
862		/**
863		* Just like assertEquals(x, y), but additionally recording (using
864	<	* threadRecordFailure) any AssertionFailedError thrown, so that
865	<	* the current testcase will fail.
864	>	* threadRecordFailure) any AssertionError thrown, so that the
865	>	* current testcase will fail.
866		*/
867		public void threadAssertEquals(Object x, Object y) {
868		try {
869		assertEquals(x, y);
870	<	} catch (AssertionFailedError fail) {
870	>	} catch (AssertionError fail) {
871		threadRecordFailure(fail);
872		throw fail;
873		} catch (Throwable fail) {
#	Line 822 | Line 877 | public class JSR166TestCase extends Test
877
878		/**
879		* Just like assertSame(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 threadAssertSame(Object x, Object y) {
884		try {
885		assertSame(x, y);
886	<	} catch (AssertionFailedError fail) {
886	>	} catch (AssertionError fail) {
887		threadRecordFailure(fail);
888		throw fail;
889		}
#	Line 850 | Line 905 | public class JSR166TestCase extends Test
905
906		/**
907		* Records the given exception using {@link #threadRecordFailure},
908	<	* then rethrows the exception, wrapping it in an
909	<	* AssertionFailedError if necessary.
908	>	* then rethrows the exception, wrapping it in an AssertionError
909	>	* if necessary.
910		*/
911		public void threadUnexpectedException(Throwable t) {
912		threadRecordFailure(t);
#	Line 860 | Line 915 | public class JSR166TestCase extends Test
915		throw (RuntimeException) t;
916		else if (t instanceof Error)
917		throw (Error) t;
918	<	else {
919	<	AssertionFailedError afe =
865	<	new AssertionFailedError("unexpected exception: " + t);
866	<	afe.initCause(t);
867	<	throw afe;
868	<	}
918	>	else
919	>	throw new AssertionError("unexpected exception: " + t, t);
920		}
921
922		/**
#	Line 1033 | Line 1084 | public class JSR166TestCase extends Test
1084		}
1085
1086		/**
1087	<	* Checks that thread does not terminate within the default
1037	<	* millisecond delay of {@code timeoutMillis()}.
1038	<	*/
1039	<	void assertThreadStaysAlive(Thread thread) {
1040	<	assertThreadStaysAlive(thread, timeoutMillis());
1041	<	}
1042	<
1043	<	/**
1044	<	* Checks that thread does not terminate within the given millisecond delay.
1087	>	* Checks that thread eventually enters the expected blocked thread state.
1088		*/
1089	<	void assertThreadStaysAlive(Thread thread, long millis) {
1090	<	try {
1091	<	// No need to optimize the failing case via Thread.join.
1092	<	delay(millis);
1093	<	assertTrue(thread.isAlive());
1094	<	} catch (InterruptedException fail) {
1095	<	threadFail("Unexpected InterruptedException");
1096	<	}
1097	<	}
1098	<
1099	<	/**
1100	<	* Checks that the threads do not terminate within the default
1101	<	* millisecond delay of {@code timeoutMillis()}.
1059	<	*/
1060	<	void assertThreadsStayAlive(Thread... threads) {
1061	<	assertThreadsStayAlive(timeoutMillis(), threads);
1062	<	}
1063	<
1064	<	/**
1065	<	* Checks that the threads do not terminate within the given millisecond delay.
1066	<	*/
1067	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1068	<	try {
1069	<	// No need to optimize the failing case via Thread.join.
1070	<	delay(millis);
1071	<	for (Thread thread : threads)
1072	<	assertTrue(thread.isAlive());
1073	<	} catch (InterruptedException fail) {
1074	<	threadFail("Unexpected InterruptedException");
1089	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1090	>	// always sleep at least 1 ms, with high probability avoiding
1091	>	// transitory states
1092	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1093	>	try { delay(1); }
1094	>	catch (InterruptedException fail) {
1095	>	throw new AssertionError("Unexpected InterruptedException", fail);
1096	>	}
1097	>	Thread.State s = thread.getState();
1098	>	if (s == expected)
1099	>	return;
1100	>	else if (s == Thread.State.TERMINATED)
1101	>	fail("Unexpected thread termination");
1102		}
1103	+	fail("timed out waiting for thread to enter thread state " + expected);
1104		}
1105
1106		/**
#	Line 1113 | Line 1141 | public class JSR166TestCase extends Test
1141		}
1142
1143		/**
1144	+	* The maximum number of consecutive spurious wakeups we should
1145	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1146	+	*/
1147	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1148	+
1149	+	/**
1150		* The number of elements to place in collections, arrays, etc.
1151		*/
1152		public static final int SIZE = 20;
#	Line 1216 | Line 1250 | public class JSR166TestCase extends Test
1250		}
1251		public void refresh() {}
1252		public String toString() {
1253	<	List<Permission> ps = new ArrayList<Permission>();
1253	>	List<Permission> ps = new ArrayList<>();
1254		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1255		ps.add(e.nextElement());
1256		return "AdjustablePolicy with permissions " + ps;
#	Line 1244 | Line 1278 | public class JSR166TestCase extends Test
1278
1279		/**
1280		* Sleeps until the given time has elapsed.
1281	<	* Throws AssertionFailedError if interrupted.
1281	>	* Throws AssertionError if interrupted.
1282		*/
1283		static void sleep(long millis) {
1284		try {
1285		delay(millis);
1286		} catch (InterruptedException fail) {
1287	<	AssertionFailedError afe =
1254	<	new AssertionFailedError("Unexpected InterruptedException");
1255	<	afe.initCause(fail);
1256	<	throw afe;
1287	>	throw new AssertionError("Unexpected InterruptedException", fail);
1288		}
1289		}
1290
#	Line 1275 | Line 1306 | public class JSR166TestCase extends Test
1306		startTime = System.nanoTime();
1307		else if (millisElapsedSince(startTime) > timeoutMillis) {
1308		threadAssertTrue(thread.isAlive());
1309	<	return;
1309	>	fail("timed out waiting for thread to enter wait state");
1310		}
1311		Thread.yield();
1312		}
1313		}
1314
1315		/**
1316	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1317	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1316	>	* Spin-waits up to the specified number of milliseconds for the given
1317	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1318	>	* and additionally satisfy the given condition.
1319	>	*/
1320	>	void waitForThreadToEnterWaitState(
1321	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1322	>	long startTime = 0L;
1323	>	for (;;) {
1324	>	Thread.State s = thread.getState();
1325	>	if (s == Thread.State.BLOCKED ||
1326	>	s == Thread.State.WAITING ||
1327	>	s == Thread.State.TIMED_WAITING) {
1328	>	try {
1329	>	if (waitingForGodot.call())
1330	>	return;
1331	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1332	>	}
1333	>	else if (s == Thread.State.TERMINATED)
1334	>	fail("Unexpected thread termination");
1335	>	else if (startTime == 0L)
1336	>	startTime = System.nanoTime();
1337	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1338	>	threadAssertTrue(thread.isAlive());
1339	>	fail("timed out waiting for thread to enter wait state");
1340	>	}
1341	>	Thread.yield();
1342	>	}
1343	>	}
1344	>
1345	>	/**
1346	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1347	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1348		*/
1349		void waitForThreadToEnterWaitState(Thread thread) {
1350		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1351		}
1352
1353		/**
1354	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1355	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1356	+	* and additionally satisfy the given condition.
1357	+	*/
1358	+	void waitForThreadToEnterWaitState(
1359	+	Thread thread, Callable<Boolean> waitingForGodot) {
1360	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1361	+	}
1362	+
1363	+	/**
1364		* Returns the number of milliseconds since time given by
1365		* startNanoTime, which must have been previously returned from a
1366		* call to {@link System#nanoTime()}.
#	Line 1304 | Line 1375 | public class JSR166TestCase extends Test
1375		//             r.run();
1376		//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1377		//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1378	<	//             throw new AssertionFailedError("did not return promptly");
1378	>	//             throw new AssertionError("did not return promptly");
1379		//     }
1380
1381		//     void assertTerminatesPromptly(Runnable r) {
#	Line 1317 | Line 1388 | public class JSR166TestCase extends Test
1388		*/
1389		<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1390		long startTime = System.nanoTime();
1391	+	T actual = null;
1392		try {
1393	<	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1393	>	actual = f.get(timeoutMillis, MILLISECONDS);
1394		} catch (Throwable fail) { threadUnexpectedException(fail); }
1395	+	assertEquals(expectedValue, actual);
1396		if (millisElapsedSince(startTime) > timeoutMillis/2)
1397	<	throw new AssertionFailedError("timed get did not return promptly");
1397	>	throw new AssertionError("timed get did not return promptly");
1398		}
1399
1400		<T> void checkTimedGet(Future<T> f, T expectedValue) {
#	Line 1379 | Line 1452 | public class JSR166TestCase extends Test
1452		}
1453		}
1454
1382	–	public abstract class RunnableShouldThrow implements Runnable {
1383	–	protected abstract void realRun() throws Throwable;
1384	–
1385	–	final Class<?> exceptionClass;
1386	–
1387	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1388	–	this.exceptionClass = exceptionClass;
1389	–	}
1390	–
1391	–	public final void run() {
1392	–	try {
1393	–	realRun();
1394	–	threadShouldThrow(exceptionClass.getSimpleName());
1395	–	} catch (Throwable t) {
1396	–	if (! exceptionClass.isInstance(t))
1397	–	threadUnexpectedException(t);
1398	–	}
1399	–	}
1400	–	}
1401	–
1455		public abstract class ThreadShouldThrow extends Thread {
1456		protected abstract void realRun() throws Throwable;
1457
#	Line 1541 | Line 1594 | public class JSR166TestCase extends Test
1594		}
1595		}
1596
1597	+	public void await(CyclicBarrier barrier) {
1598	+	try {
1599	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1600	+	} catch (Throwable fail) {
1601	+	threadUnexpectedException(fail);
1602	+	}
1603	+	}
1604	+
1605		//     /**
1606		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1607		//      */
#	Line 1555 | Line 1616 | public class JSR166TestCase extends Test
1616		//         long startTime = System.nanoTime();
1617		//         while (!flag.get()) {
1618		//             if (millisElapsedSince(startTime) > timeoutMillis)
1619	<	//                 throw new AssertionFailedError("timed out");
1619	>	//                 throw new AssertionError("timed out");
1620		//             Thread.yield();
1621		//         }
1622		//     }
#	Line 1564 | Line 1625 | public class JSR166TestCase extends Test
1625		public String call() { throw new NullPointerException(); }
1626		}
1627
1567	–	public static class CallableOne implements Callable<Integer> {
1568	–	public Integer call() { return one; }
1569	–	}
1570	–
1571	–	public class ShortRunnable extends CheckedRunnable {
1572	–	protected void realRun() throws Throwable {
1573	–	delay(SHORT_DELAY_MS);
1574	–	}
1575	–	}
1576	–
1577	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1578	–	protected void realRun() throws InterruptedException {
1579	–	delay(SHORT_DELAY_MS);
1580	–	}
1581	–	}
1582	–
1583	–	public class SmallRunnable extends CheckedRunnable {
1584	–	protected void realRun() throws Throwable {
1585	–	delay(SMALL_DELAY_MS);
1586	–	}
1587	–	}
1588	–
1628		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1629		protected void realRun() {
1630		try {
#	Line 1594 | Line 1633 | public class JSR166TestCase extends Test
1633		}
1634		}
1635
1597	–	public class SmallCallable extends CheckedCallable {
1598	–	protected Object realCall() throws InterruptedException {
1599	–	delay(SMALL_DELAY_MS);
1600	–	return Boolean.TRUE;
1601	–	}
1602	–	}
1603	–
1604	–	public class MediumRunnable extends CheckedRunnable {
1605	–	protected void realRun() throws Throwable {
1606	–	delay(MEDIUM_DELAY_MS);
1607	–	}
1608	–	}
1609	–
1610	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1611	–	protected void realRun() throws InterruptedException {
1612	–	delay(MEDIUM_DELAY_MS);
1613	–	}
1614	–	}
1615	–
1636		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1637		return new CheckedRunnable() {
1638		protected void realRun() {
#	Line 1622 | Line 1642 | public class JSR166TestCase extends Test
1642		}};
1643		}
1644
1625	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1626	–	protected void realRun() {
1627	–	try {
1628	–	delay(MEDIUM_DELAY_MS);
1629	–	} catch (InterruptedException ok) {}
1630	–	}
1631	–	}
1632	–
1633	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1634	–	protected void realRun() {
1635	–	try {
1636	–	delay(LONG_DELAY_MS);
1637	–	} catch (InterruptedException ok) {}
1638	–	}
1639	–	}
1640	–
1645		/**
1646		* For use as ThreadFactory in constructors
1647		*/
#	Line 1651 | Line 1655 | public class JSR166TestCase extends Test
1655		boolean isDone();
1656		}
1657
1654	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1655	–	return new TrackedRunnable() {
1656	–	private volatile boolean done = false;
1657	–	public boolean isDone() { return done; }
1658	–	public void run() {
1659	–	try {
1660	–	delay(timeoutMillis);
1661	–	done = true;
1662	–	} catch (InterruptedException ok) {}
1663	–	}
1664	–	};
1665	–	}
1666	–
1667	–	public static class TrackedShortRunnable implements Runnable {
1668	–	public volatile boolean done = false;
1669	–	public void run() {
1670	–	try {
1671	–	delay(SHORT_DELAY_MS);
1672	–	done = true;
1673	–	} catch (InterruptedException ok) {}
1674	–	}
1675	–	}
1676	–
1677	–	public static class TrackedSmallRunnable implements Runnable {
1678	–	public volatile boolean done = false;
1679	–	public void run() {
1680	–	try {
1681	–	delay(SMALL_DELAY_MS);
1682	–	done = true;
1683	–	} catch (InterruptedException ok) {}
1684	–	}
1685	–	}
1686	–
1687	–	public static class TrackedMediumRunnable implements Runnable {
1688	–	public volatile boolean done = false;
1689	–	public void run() {
1690	–	try {
1691	–	delay(MEDIUM_DELAY_MS);
1692	–	done = true;
1693	–	} catch (InterruptedException ok) {}
1694	–	}
1695	–	}
1696	–
1697	–	public static class TrackedLongRunnable implements Runnable {
1698	–	public volatile boolean done = false;
1699	–	public void run() {
1700	–	try {
1701	–	delay(LONG_DELAY_MS);
1702	–	done = true;
1703	–	} catch (InterruptedException ok) {}
1704	–	}
1705	–	}
1706	–
1658		public static class TrackedNoOpRunnable implements Runnable {
1659		public volatile boolean done = false;
1660		public void run() {
#	Line 1711 | Line 1662 | public class JSR166TestCase extends Test
1662		}
1663		}
1664
1714	–	public static class TrackedCallable implements Callable {
1715	–	public volatile boolean done = false;
1716	–	public Object call() {
1717	–	try {
1718	–	delay(SMALL_DELAY_MS);
1719	–	done = true;
1720	–	} catch (InterruptedException ok) {}
1721	–	return Boolean.TRUE;
1722	–	}
1723	–	}
1724	–
1665		/**
1666		* Analog of CheckedRunnable for RecursiveAction
1667		*/
#	Line 1763 | Line 1703 | public class JSR166TestCase extends Test
1703
1704		/**
1705		* A CyclicBarrier that uses timed await and fails with
1706	<	* AssertionFailedErrors instead of throwing checked exceptions.
1706	>	* AssertionErrors instead of throwing checked exceptions.
1707		*/
1708		public static class CheckedBarrier extends CyclicBarrier {
1709		public CheckedBarrier(int parties) { super(parties); }
#	Line 1772 | Line 1712 | public class JSR166TestCase extends Test
1712		try {
1713		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1714		} catch (TimeoutException timedOut) {
1715	<	throw new AssertionFailedError("timed out");
1715	>	throw new AssertionError("timed out");
1716		} catch (Exception fail) {
1717	<	AssertionFailedError afe =
1778	<	new AssertionFailedError("Unexpected exception: " + fail);
1779	<	afe.initCause(fail);
1780	<	throw afe;
1717	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1718		}
1719		}
1720		}
#	Line 1788 | Line 1725 | public class JSR166TestCase extends Test
1725		assertEquals(0, q.size());
1726		assertNull(q.peek());
1727		assertNull(q.poll());
1728	<	assertNull(q.poll(0, MILLISECONDS));
1728	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1729		assertEquals(q.toString(), "[]");
1730		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1731		assertFalse(q.iterator().hasNext());
#	Line 1900 | Line 1837 | public class JSR166TestCase extends Test
1837		try { throwingAction.run(); }
1838		catch (Throwable t) {
1839		threw = true;
1840	<	if (!expectedExceptionClass.isInstance(t)) {
1841	<	AssertionFailedError afe =
1842	<	new AssertionFailedError
1843	<	("Expected " + expectedExceptionClass.getName() +
1844	<	", got " + t.getClass().getName());
1908	<	afe.initCause(t);
1909	<	threadUnexpectedException(afe);
1910	<	}
1840	>	if (!expectedExceptionClass.isInstance(t))
1841	>	throw new AssertionError(
1842	>	"Expected " + expectedExceptionClass.getName() +
1843	>	", got " + t.getClass().getName(),
1844	>	t);
1845		}
1846		if (!threw)
1847		shouldThrow(expectedExceptionClass.getName());
#	Line 1939 | Line 1873 | public class JSR166TestCase extends Test
1873		static <T> void shuffle(T[] array) {
1874		Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1875		}
1876	+
1877	+	/**
1878	+	* Returns the same String as would be returned by {@link
1879	+	* Object#toString}, whether or not the given object's class
1880	+	* overrides toString().
1881	+	*
1882	+	* @see System#identityHashCode
1883	+	*/
1884	+	static String identityString(Object x) {
1885	+	return x.getClass().getName()
1886	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1887	+	}
1888	+
1889	+	// --- Shared assertions for Executor tests ---
1890	+
1891	+	/**
1892	+	* Returns maximum number of tasks that can be submitted to given
1893	+	* pool (with bounded queue) before saturation (when submission
1894	+	* throws RejectedExecutionException).
1895	+	*/
1896	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1897	+	BlockingQueue<Runnable> q = pool.getQueue();
1898	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1899	+	}
1900	+
1901	+	@SuppressWarnings("FutureReturnValueIgnored")
1902	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1903	+	try {
1904	+	e.execute((Runnable) null);
1905	+	shouldThrow();
1906	+	} catch (NullPointerException success) {}
1907	+
1908	+	if (! (e instanceof ExecutorService)) return;
1909	+	ExecutorService es = (ExecutorService) e;
1910	+	try {
1911	+	es.submit((Runnable) null);
1912	+	shouldThrow();
1913	+	} catch (NullPointerException success) {}
1914	+	try {
1915	+	es.submit((Runnable) null, Boolean.TRUE);
1916	+	shouldThrow();
1917	+	} catch (NullPointerException success) {}
1918	+	try {
1919	+	es.submit((Callable) null);
1920	+	shouldThrow();
1921	+	} catch (NullPointerException success) {}
1922	+
1923	+	if (! (e instanceof ScheduledExecutorService)) return;
1924	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1925	+	try {
1926	+	ses.schedule((Runnable) null,
1927	+	randomTimeout(), randomTimeUnit());
1928	+	shouldThrow();
1929	+	} catch (NullPointerException success) {}
1930	+	try {
1931	+	ses.schedule((Callable) null,
1932	+	randomTimeout(), randomTimeUnit());
1933	+	shouldThrow();
1934	+	} catch (NullPointerException success) {}
1935	+	try {
1936	+	ses.scheduleAtFixedRate((Runnable) null,
1937	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1938	+	shouldThrow();
1939	+	} catch (NullPointerException success) {}
1940	+	try {
1941	+	ses.scheduleWithFixedDelay((Runnable) null,
1942	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1943	+	shouldThrow();
1944	+	} catch (NullPointerException success) {}
1945	+	}
1946	+
1947	+	void setRejectedExecutionHandler(
1948	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1949	+	p.setRejectedExecutionHandler(handler);
1950	+	assertSame(handler, p.getRejectedExecutionHandler());
1951	+	}
1952	+
1953	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1954	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1955	+	final long savedTaskCount = p.getTaskCount();
1956	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1957	+	final int savedQueueSize = p.getQueue().size();
1958	+	final boolean stock = (p.getClass().getClassLoader() == null);
1959	+
1960	+	Runnable r = () -> {};
1961	+	Callable<Boolean> c = () -> Boolean.TRUE;
1962	+
1963	+	class Recorder implements RejectedExecutionHandler {
1964	+	public volatile Runnable r = null;
1965	+	public volatile ThreadPoolExecutor p = null;
1966	+	public void reset() { r = null; p = null; }
1967	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1968	+	assertNull(this.r);
1969	+	assertNull(this.p);
1970	+	this.r = r;
1971	+	this.p = p;
1972	+	}
1973	+	}
1974	+
1975	+	// check custom handler is invoked exactly once per task
1976	+	Recorder recorder = new Recorder();
1977	+	setRejectedExecutionHandler(p, recorder);
1978	+	for (int i = 2; i--> 0; ) {
1979	+	recorder.reset();
1980	+	p.execute(r);
1981	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
1982	+	assertSame(r, recorder.r);
1983	+	assertSame(p, recorder.p);
1984	+
1985	+	recorder.reset();
1986	+	assertFalse(p.submit(r).isDone());
1987	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1988	+	assertSame(p, recorder.p);
1989	+
1990	+	recorder.reset();
1991	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1992	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1993	+	assertSame(p, recorder.p);
1994	+
1995	+	recorder.reset();
1996	+	assertFalse(p.submit(c).isDone());
1997	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1998	+	assertSame(p, recorder.p);
1999	+
2000	+	if (p instanceof ScheduledExecutorService) {
2001	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2002	+	ScheduledFuture<?> future;
2003	+
2004	+	recorder.reset();
2005	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2006	+	assertFalse(future.isDone());
2007	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2008	+	assertSame(p, recorder.p);
2009	+
2010	+	recorder.reset();
2011	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2012	+	assertFalse(future.isDone());
2013	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2014	+	assertSame(p, recorder.p);
2015	+
2016	+	recorder.reset();
2017	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2018	+	assertFalse(future.isDone());
2019	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2020	+	assertSame(p, recorder.p);
2021	+
2022	+	recorder.reset();
2023	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2024	+	assertFalse(future.isDone());
2025	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2026	+	assertSame(p, recorder.p);
2027	+	}
2028	+	}
2029	+
2030	+	// Checking our custom handler above should be sufficient, but
2031	+	// we add some integration tests of standard handlers.
2032	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2033	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2034	+
2035	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2036	+	try {
2037	+	p.execute(setThread);
2038	+	shouldThrow();
2039	+	} catch (RejectedExecutionException success) {}
2040	+	assertNull(thread.get());
2041	+
2042	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2043	+	p.execute(setThread);
2044	+	assertNull(thread.get());
2045	+
2046	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2047	+	p.execute(setThread);
2048	+	if (p.isShutdown())
2049	+	assertNull(thread.get());
2050	+	else
2051	+	assertSame(Thread.currentThread(), thread.get());
2052	+
2053	+	setRejectedExecutionHandler(p, savedHandler);
2054	+
2055	+	// check that pool was not perturbed by handlers
2056	+	assertEquals(savedTaskCount, p.getTaskCount());
2057	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2058	+	assertEquals(savedQueueSize, p.getQueue().size());
2059	+	}
2060	+
2061	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2062	+	assertEquals(x, y);
2063	+	assertEquals(y, x);
2064	+	assertEquals(x.isEmpty(), y.isEmpty());
2065	+	assertEquals(x.size(), y.size());
2066	+	if (x instanceof List) {
2067	+	assertEquals(x.toString(), y.toString());
2068	+	}
2069	+	if (x instanceof List || x instanceof Set) {
2070	+	assertEquals(x.hashCode(), y.hashCode());
2071	+	}
2072	+	if (x instanceof List || x instanceof Deque) {
2073	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2074	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2075	+	y.toArray(new Object[0])));
2076	+	}
2077	+	}
2078	+
2079	+	/**
2080	+	* A weaker form of assertCollectionsEquals which does not insist
2081	+	* that the two collections satisfy Object#equals(Object), since
2082	+	* they may use identity semantics as Deques do.
2083	+	*/
2084	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2085	+	if (x instanceof List || x instanceof Set)
2086	+	assertCollectionsEquals(x, y);
2087	+	else {
2088	+	assertEquals(x.isEmpty(), y.isEmpty());
2089	+	assertEquals(x.size(), y.size());
2090	+	assertEquals(new HashSet(x), new HashSet(y));
2091	+	if (x instanceof Deque) {
2092	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2093	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2094	+	y.toArray(new Object[0])));
2095	+	}
2096	+	}
2097	+	}
2098		}

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