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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.222 by jsr166, Fri May 12 18:12:51 2017 UTC vs.
Revision 1.253 by jsr166, Fri Feb 22 19:27:47 2019 UTC

#	Line 66 | 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;
103		import java.util.regex.Pattern;
104
96	–	import junit.framework.AssertionFailedError;
105		import junit.framework.Test;
106		import junit.framework.TestCase;
107		import junit.framework.TestResult;
#	Line 109 | 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 413 | 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",
417	<	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 439 | 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 538 | Line 553 | public class JSR166TestCase extends Test
553		"DoubleAdderTest",
554		"ForkJoinPool8Test",
555		"ForkJoinTask8Test",
556	+	"HashMapTest",
557		"LinkedBlockingDeque8Test",
558		"LinkedBlockingQueue8Test",
559	+	"LinkedHashMapTest",
560		"LongAccumulatorTest",
561		"LongAdderTest",
562		"SplittableRandomTest",
#	Line 600 | Line 617 | public class JSR166TestCase extends Test
617		for (String methodName : testMethodNames(testClass))
618		suite.addTest((Test) c.newInstance(data, methodName));
619		return suite;
620	<	} catch (Exception e) {
621	<	throw new Error(e);
620	>	} catch (ReflectiveOperationException e) {
621	>	throw new AssertionError(e);
622		}
623		}
624
#	Line 617 | Line 634 | public class JSR166TestCase extends Test
634		if (atLeastJava8()) {
635		String name = testClass.getName();
636		String name8 = name.replaceAll("Test$", "8Test");
637	<	if (name.equals(name8)) throw new Error(name);
637	>	if (name.equals(name8)) throw new AssertionError(name);
638		try {
639		return (Test)
640		Class.forName(name8)
641	<	.getMethod("testSuite", new Class[] { dataClass })
641	>	.getMethod("testSuite", dataClass)
642		.invoke(null, data);
643	<	} catch (Exception e) {
644	<	throw new Error(e);
643	>	} catch (ReflectiveOperationException e) {
644	>	throw new AssertionError(e);
645		}
646		} else {
647		return new TestSuite();
#	Line 638 | Line 655 | public class JSR166TestCase extends Test
655		public static long MEDIUM_DELAY_MS;
656		public static long LONG_DELAY_MS;
657
658	+	private static final long RANDOM_TIMEOUT;
659	+	private static final long RANDOM_EXPIRED_TIMEOUT;
660	+	private static final TimeUnit RANDOM_TIMEUNIT;
661	+	static {
662	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
663	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
664	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
665	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
666	+	TimeUnit[] timeUnits = TimeUnit.values();
667	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
668	+	}
669	+
670	+	/**
671	+	* Returns a timeout for use when any value at all will do.
672	+	*/
673	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
674	+
675	+	/**
676	+	* Returns a timeout that means "no waiting", i.e. not positive.
677	+	*/
678	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
679	+
680	+	/**
681	+	* Returns a random non-null TimeUnit.
682	+	*/
683	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
684	+
685		/**
686		* Returns the shortest timed delay. This can be scaled up for
687		* slow machines using the jsr166.delay.factor system property,
#	Line 658 | Line 702 | public class JSR166TestCase extends Test
702		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
703		}
704
705	+	private static final long TIMEOUT_DELAY_MS
706	+	= (long) (12.0 * Math.cbrt(delayFactor));
707	+
708		/**
709	<	* Returns a timeout in milliseconds to be used in tests that
710	<	* verify that operations block or time out.
709	>	* Returns a timeout in milliseconds to be used in tests that verify
710	>	* that operations block or time out.  We want this to be longer
711	>	* than the OS scheduling quantum, but not too long, so don't scale
712	>	* linearly with delayFactor; we use "crazy" cube root instead.
713		*/
714	<	long timeoutMillis() {
715	<	return SHORT_DELAY_MS / 4;
714	>	static long timeoutMillis() {
715	>	return TIMEOUT_DELAY_MS;
716		}
717
718		/**
#	Line 701 | Line 750 | public class JSR166TestCase extends Test
750		String msg = toString() + ": " + String.format(format, args);
751		System.err.println(msg);
752		dumpTestThreads();
753	<	throw new AssertionFailedError(msg);
753	>	throw new AssertionError(msg);
754		}
755
756		/**
#	Line 722 | Line 771 | public class JSR166TestCase extends Test
771		throw (RuntimeException) t;
772		else if (t instanceof Exception)
773		throw (Exception) t;
774	<	else {
775	<	AssertionFailedError afe =
727	<	new AssertionFailedError(t.toString());
728	<	afe.initCause(t);
729	<	throw afe;
730	<	}
774	>	else
775	>	throw new AssertionError(t.toString(), t);
776		}
777
778		if (Thread.interrupted())
#	Line 761 | Line 806 | public class JSR166TestCase extends Test
806
807		/**
808		* Just like fail(reason), but additionally recording (using
809	<	* threadRecordFailure) any AssertionFailedError thrown, so that
810	<	* the current testcase will fail.
809	>	* threadRecordFailure) any AssertionError thrown, so that the
810	>	* current testcase will fail.
811		*/
812		public void threadFail(String reason) {
813		try {
814		fail(reason);
815	<	} catch (AssertionFailedError t) {
816	<	threadRecordFailure(t);
817	<	throw t;
815	>	} catch (AssertionError fail) {
816	>	threadRecordFailure(fail);
817	>	throw fail;
818		}
819		}
820
821		/**
822		* Just like assertTrue(b), but additionally recording (using
823	<	* threadRecordFailure) any AssertionFailedError thrown, so that
824	<	* the current testcase will fail.
823	>	* threadRecordFailure) any AssertionError thrown, so that the
824	>	* current testcase will fail.
825		*/
826		public void threadAssertTrue(boolean b) {
827		try {
828		assertTrue(b);
829	<	} catch (AssertionFailedError t) {
830	<	threadRecordFailure(t);
831	<	throw t;
829	>	} catch (AssertionError fail) {
830	>	threadRecordFailure(fail);
831	>	throw fail;
832		}
833		}
834
835		/**
836		* Just like assertFalse(b), but additionally recording (using
837	<	* threadRecordFailure) any AssertionFailedError thrown, so that
838	<	* the current testcase will fail.
837	>	* threadRecordFailure) any AssertionError thrown, so that the
838	>	* current testcase will fail.
839		*/
840		public void threadAssertFalse(boolean b) {
841		try {
842		assertFalse(b);
843	<	} catch (AssertionFailedError t) {
844	<	threadRecordFailure(t);
845	<	throw t;
843	>	} catch (AssertionError fail) {
844	>	threadRecordFailure(fail);
845	>	throw fail;
846		}
847		}
848
849		/**
850		* Just like assertNull(x), but additionally recording (using
851	<	* threadRecordFailure) any AssertionFailedError thrown, so that
852	<	* the current testcase will fail.
851	>	* threadRecordFailure) any AssertionError thrown, so that the
852	>	* current testcase will fail.
853		*/
854		public void threadAssertNull(Object x) {
855		try {
856		assertNull(x);
857	<	} catch (AssertionFailedError t) {
858	<	threadRecordFailure(t);
859	<	throw t;
857	>	} catch (AssertionError fail) {
858	>	threadRecordFailure(fail);
859	>	throw fail;
860		}
861		}
862
863		/**
864		* Just like assertEquals(x, y), but additionally recording (using
865	<	* threadRecordFailure) any AssertionFailedError thrown, so that
866	<	* the current testcase will fail.
865	>	* threadRecordFailure) any AssertionError thrown, so that the
866	>	* current testcase will fail.
867		*/
868		public void threadAssertEquals(long x, long y) {
869		try {
870		assertEquals(x, y);
871	<	} catch (AssertionFailedError t) {
872	<	threadRecordFailure(t);
873	<	throw t;
871	>	} catch (AssertionError fail) {
872	>	threadRecordFailure(fail);
873	>	throw fail;
874		}
875		}
876
877		/**
878		* Just like assertEquals(x, y), but additionally recording (using
879	<	* threadRecordFailure) any AssertionFailedError thrown, so that
880	<	* the current testcase will fail.
879	>	* threadRecordFailure) any AssertionError thrown, so that the
880	>	* current testcase will fail.
881		*/
882		public void threadAssertEquals(Object x, Object y) {
883		try {
884		assertEquals(x, y);
885	<	} catch (AssertionFailedError fail) {
885	>	} catch (AssertionError fail) {
886		threadRecordFailure(fail);
887		throw fail;
888		} catch (Throwable fail) {
#	Line 847 | Line 892 | public class JSR166TestCase extends Test
892
893		/**
894		* Just like assertSame(x, y), but additionally recording (using
895	<	* threadRecordFailure) any AssertionFailedError thrown, so that
896	<	* the current testcase will fail.
895	>	* threadRecordFailure) any AssertionError thrown, so that the
896	>	* current testcase will fail.
897		*/
898		public void threadAssertSame(Object x, Object y) {
899		try {
900		assertSame(x, y);
901	<	} catch (AssertionFailedError fail) {
901	>	} catch (AssertionError fail) {
902		threadRecordFailure(fail);
903		throw fail;
904		}
#	Line 875 | Line 920 | public class JSR166TestCase extends Test
920
921		/**
922		* Records the given exception using {@link #threadRecordFailure},
923	<	* then rethrows the exception, wrapping it in an
924	<	* AssertionFailedError if necessary.
923	>	* then rethrows the exception, wrapping it in an AssertionError
924	>	* if necessary.
925		*/
926		public void threadUnexpectedException(Throwable t) {
927		threadRecordFailure(t);
#	Line 885 | Line 930 | public class JSR166TestCase extends Test
930		throw (RuntimeException) t;
931		else if (t instanceof Error)
932		throw (Error) t;
933	<	else {
934	<	AssertionFailedError afe =
890	<	new AssertionFailedError("unexpected exception: " + t);
891	<	afe.initCause(t);
892	<	throw afe;
893	<	}
933	>	else
934	>	throw new AssertionError("unexpected exception: " + t, t);
935		}
936
937		/**
#	Line 1058 | Line 1099 | public class JSR166TestCase extends Test
1099		}
1100
1101		/**
1102	<	* Checks that thread does not terminate within the default
1062	<	* millisecond delay of {@code timeoutMillis()}.
1063	<	*/
1064	<	void assertThreadStaysAlive(Thread thread) {
1065	<	assertThreadStaysAlive(thread, timeoutMillis());
1066	<	}
1067	<
1068	<	/**
1069	<	* Checks that thread does not terminate within the given millisecond delay.
1070	<	*/
1071	<	void assertThreadStaysAlive(Thread thread, long millis) {
1072	<	try {
1073	<	// No need to optimize the failing case via Thread.join.
1074	<	delay(millis);
1075	<	assertTrue(thread.isAlive());
1076	<	} catch (InterruptedException fail) {
1077	<	threadFail("Unexpected InterruptedException");
1078	<	}
1079	<	}
1080	<
1081	<	/**
1082	<	* Checks that the threads do not terminate within the default
1083	<	* millisecond delay of {@code timeoutMillis()}.
1084	<	*/
1085	<	void assertThreadsStayAlive(Thread... threads) {
1086	<	assertThreadsStayAlive(timeoutMillis(), threads);
1087	<	}
1088	<
1089	<	/**
1090	<	* Checks that the threads do not terminate within the given millisecond delay.
1102	>	* Checks that thread eventually enters the expected blocked thread state.
1103		*/
1104	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1105	<	try {
1106	<	// No need to optimize the failing case via Thread.join.
1107	<	delay(millis);
1108	<	for (Thread thread : threads)
1109	<	assertTrue(thread.isAlive());
1110	<	} catch (InterruptedException fail) {
1111	<	threadFail("Unexpected InterruptedException");
1104	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1105	>	// always sleep at least 1 ms, with high probability avoiding
1106	>	// transitory states
1107	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1108	>	try { delay(1); }
1109	>	catch (InterruptedException fail) {
1110	>	throw new AssertionError("Unexpected InterruptedException", fail);
1111	>	}
1112	>	Thread.State s = thread.getState();
1113	>	if (s == expected)
1114	>	return;
1115	>	else if (s == Thread.State.TERMINATED)
1116	>	fail("Unexpected thread termination");
1117		}
1118	+	fail("timed out waiting for thread to enter thread state " + expected);
1119		}
1120
1121		/**
#	Line 1275 | Line 1293 | public class JSR166TestCase extends Test
1293
1294		/**
1295		* Sleeps until the given time has elapsed.
1296	<	* Throws AssertionFailedError if interrupted.
1296	>	* Throws AssertionError if interrupted.
1297		*/
1298		static void sleep(long millis) {
1299		try {
1300		delay(millis);
1301		} catch (InterruptedException fail) {
1302	<	AssertionFailedError afe =
1285	<	new AssertionFailedError("Unexpected InterruptedException");
1286	<	afe.initCause(fail);
1287	<	throw afe;
1302	>	throw new AssertionError("Unexpected InterruptedException", fail);
1303		}
1304		}
1305
1306		/**
1307		* Spin-waits up to the specified number of milliseconds for the given
1308		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1309	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1310		*/
1311	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1312	<	long startTime = 0L;
1313	<	for (;;) {
1314	<	Thread.State s = thread.getState();
1315	<	if (s == Thread.State.BLOCKED ||
1316	<	s == Thread.State.WAITING ||
1317	<	s == Thread.State.TIMED_WAITING)
1318	<	return;
1319	<	else if (s == Thread.State.TERMINATED)
1311	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1312	>	Callable<Boolean> waitingForGodot) {
1313	>	for (long startTime = 0L;;) {
1314	>	switch (thread.getState()) {
1315	>	default: break;
1316	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1317	>	try {
1318	>	if (waitingForGodot == null || waitingForGodot.call())
1319	>	return;
1320	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1321	>	break;
1322	>	case TERMINATED:
1323		fail("Unexpected thread termination");
1324	<	else if (startTime == 0L)
1324	>	}
1325	>
1326	>	if (startTime == 0L)
1327		startTime = System.nanoTime();
1328		else if (millisElapsedSince(startTime) > timeoutMillis) {
1329	<	threadAssertTrue(thread.isAlive());
1330	<	fail("timed out waiting for thread to enter wait state");
1329	>	assertTrue(thread.isAlive());
1330	>	if (waitingForGodot == null
1331	>	|| thread.getState() == Thread.State.RUNNABLE)
1332	>	fail("timed out waiting for thread to enter wait state");
1333	>	else
1334	>	fail("timed out waiting for condition, thread state="
1335	>	+ thread.getState());
1336		}
1337		Thread.yield();
1338		}
#	Line 1314 | Line 1340 | public class JSR166TestCase extends Test
1340
1341		/**
1342		* Spin-waits up to the specified number of milliseconds for the given
1343	<	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1318	<	* and additionally satisfy the given condition.
1343	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1344		*/
1345	<	void waitForThreadToEnterWaitState(
1346	<	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	<	}
1345	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1346	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1347		}
1348
1349		/**
#	Line 1347 | Line 1351 | public class JSR166TestCase extends Test
1351		* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1352		*/
1353		void waitForThreadToEnterWaitState(Thread thread) {
1354	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1354	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1355		}
1356
1357		/**
#	Line 1355 | Line 1359 | public class JSR166TestCase extends Test
1359		* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1360		* and additionally satisfy the given condition.
1361		*/
1362	<	void waitForThreadToEnterWaitState(
1363	<	Thread thread, Callable<Boolean> waitingForGodot) {
1362	>	void waitForThreadToEnterWaitState(Thread thread,
1363	>	Callable<Boolean> waitingForGodot) {
1364		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1365		}
1366
#	Line 1375 | Line 1379 | public class JSR166TestCase extends Test
1379		//             r.run();
1380		//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1381		//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1382	<	//             throw new AssertionFailedError("did not return promptly");
1382	>	//             throw new AssertionError("did not return promptly");
1383		//     }
1384
1385		//     void assertTerminatesPromptly(Runnable r) {
#	Line 1388 | Line 1392 | public class JSR166TestCase extends Test
1392		*/
1393		<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1394		long startTime = System.nanoTime();
1395	+	T actual = null;
1396		try {
1397	<	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1397	>	actual = f.get(timeoutMillis, MILLISECONDS);
1398		} catch (Throwable fail) { threadUnexpectedException(fail); }
1399	+	assertEquals(expectedValue, actual);
1400		if (millisElapsedSince(startTime) > timeoutMillis/2)
1401	<	throw new AssertionFailedError("timed get did not return promptly");
1401	>	throw new AssertionError("timed get did not return promptly");
1402		}
1403
1404		<T> void checkTimedGet(Future<T> f, T expectedValue) {
#	Line 1450 | Line 1456 | public class JSR166TestCase extends Test
1456		}
1457		}
1458
1453	–	public abstract class RunnableShouldThrow implements Runnable {
1454	–	protected abstract void realRun() throws Throwable;
1455	–
1456	–	final Class<?> exceptionClass;
1457	–
1458	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1459	–	this.exceptionClass = exceptionClass;
1460	–	}
1461	–
1462	–	public final void run() {
1463	–	try {
1464	–	realRun();
1465	–	threadShouldThrow(exceptionClass.getSimpleName());
1466	–	} catch (Throwable t) {
1467	–	if (! exceptionClass.isInstance(t))
1468	–	threadUnexpectedException(t);
1469	–	}
1470	–	}
1471	–	}
1472	–
1459		public abstract class ThreadShouldThrow extends Thread {
1460		protected abstract void realRun() throws Throwable;
1461
#	Line 1482 | Line 1468 | public class JSR166TestCase extends Test
1468		public final void run() {
1469		try {
1470		realRun();
1485	–	threadShouldThrow(exceptionClass.getSimpleName());
1471		} catch (Throwable t) {
1472		if (! exceptionClass.isInstance(t))
1473		threadUnexpectedException(t);
1474	+	return;
1475		}
1476	+	threadShouldThrow(exceptionClass.getSimpleName());
1477		}
1478		}
1479
#	Line 1496 | Line 1483 | public class JSR166TestCase extends Test
1483		public final void run() {
1484		try {
1485		realRun();
1499	–	threadShouldThrow("InterruptedException");
1486		} catch (InterruptedException success) {
1487		threadAssertFalse(Thread.interrupted());
1488	+	return;
1489		} catch (Throwable fail) {
1490		threadUnexpectedException(fail);
1491		}
1492	+	threadShouldThrow("InterruptedException");
1493		}
1494		}
1495
#	Line 1513 | Line 1501 | public class JSR166TestCase extends Test
1501		return realCall();
1502		} catch (Throwable fail) {
1503		threadUnexpectedException(fail);
1516	–	return null;
1517	–	}
1518	–	}
1519	–	}
1520	–
1521	–	public abstract class CheckedInterruptedCallable<T>
1522	–	implements Callable<T> {
1523	–	protected abstract T realCall() throws Throwable;
1524	–
1525	–	public final T call() {
1526	–	try {
1527	–	T result = realCall();
1528	–	threadShouldThrow("InterruptedException");
1529	–	return result;
1530	–	} catch (InterruptedException success) {
1531	–	threadAssertFalse(Thread.interrupted());
1532	–	} catch (Throwable fail) {
1533	–	threadUnexpectedException(fail);
1504		}
1505	<	return null;
1505	>	throw new AssertionError("unreached");
1506		}
1507		}
1508
#	Line 1589 | Line 1559 | public class JSR166TestCase extends Test
1559		}
1560
1561		public void await(CountDownLatch latch, long timeoutMillis) {
1562	+	boolean timedOut = false;
1563		try {
1564	<	if (!latch.await(timeoutMillis, MILLISECONDS))
1594	<	fail("timed out waiting for CountDownLatch for "
1595	<	+ (timeoutMillis/1000) + " sec");
1564	>	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1565		} catch (Throwable fail) {
1566		threadUnexpectedException(fail);
1567		}
1568	+	if (timedOut)
1569	+	fail("timed out waiting for CountDownLatch for "
1570	+	+ (timeoutMillis/1000) + " sec");
1571		}
1572
1573		public void await(CountDownLatch latch) {
#	Line 1603 | Line 1575 | public class JSR166TestCase extends Test
1575		}
1576
1577		public void await(Semaphore semaphore) {
1578	+	boolean timedOut = false;
1579		try {
1580	<	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1581	<	fail("timed out waiting for Semaphore for "
1582	<	+ (LONG_DELAY_MS/1000) + " sec");
1580	>	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1581	>	} catch (Throwable fail) {
1582	>	threadUnexpectedException(fail);
1583	>	}
1584	>	if (timedOut)
1585	>	fail("timed out waiting for Semaphore for "
1586	>	+ (LONG_DELAY_MS/1000) + " sec");
1587	>	}
1588	>
1589	>	public void await(CyclicBarrier barrier) {
1590	>	try {
1591	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1592		} catch (Throwable fail) {
1593		threadUnexpectedException(fail);
1594		}
#	Line 1626 | Line 1608 | public class JSR166TestCase extends Test
1608		//         long startTime = System.nanoTime();
1609		//         while (!flag.get()) {
1610		//             if (millisElapsedSince(startTime) > timeoutMillis)
1611	<	//                 throw new AssertionFailedError("timed out");
1611	>	//                 throw new AssertionError("timed out");
1612		//             Thread.yield();
1613		//         }
1614		//     }
#	Line 1635 | Line 1617 | public class JSR166TestCase extends Test
1617		public String call() { throw new NullPointerException(); }
1618		}
1619
1638	–	public static class CallableOne implements Callable<Integer> {
1639	–	public Integer call() { return one; }
1640	–	}
1641	–
1642	–	public class ShortRunnable extends CheckedRunnable {
1643	–	protected void realRun() throws Throwable {
1644	–	delay(SHORT_DELAY_MS);
1645	–	}
1646	–	}
1647	–
1648	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1649	–	protected void realRun() throws InterruptedException {
1650	–	delay(SHORT_DELAY_MS);
1651	–	}
1652	–	}
1653	–
1654	–	public class SmallRunnable extends CheckedRunnable {
1655	–	protected void realRun() throws Throwable {
1656	–	delay(SMALL_DELAY_MS);
1657	–	}
1658	–	}
1659	–
1660	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1661	–	protected void realRun() {
1662	–	try {
1663	–	delay(SMALL_DELAY_MS);
1664	–	} catch (InterruptedException ok) {}
1665	–	}
1666	–	}
1667	–
1668	–	public class SmallCallable extends CheckedCallable {
1669	–	protected Object realCall() throws InterruptedException {
1670	–	delay(SMALL_DELAY_MS);
1671	–	return Boolean.TRUE;
1672	–	}
1673	–	}
1674	–
1675	–	public class MediumRunnable extends CheckedRunnable {
1676	–	protected void realRun() throws Throwable {
1677	–	delay(MEDIUM_DELAY_MS);
1678	–	}
1679	–	}
1680	–
1681	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1682	–	protected void realRun() throws InterruptedException {
1683	–	delay(MEDIUM_DELAY_MS);
1684	–	}
1685	–	}
1686	–
1620		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1621		return new CheckedRunnable() {
1622		protected void realRun() {
#	Line 1693 | Line 1626 | public class JSR166TestCase extends Test
1626		}};
1627		}
1628
1696	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1697	–	protected void realRun() {
1698	–	try {
1699	–	delay(MEDIUM_DELAY_MS);
1700	–	} catch (InterruptedException ok) {}
1701	–	}
1702	–	}
1703	–
1704	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1705	–	protected void realRun() {
1706	–	try {
1707	–	delay(LONG_DELAY_MS);
1708	–	} catch (InterruptedException ok) {}
1709	–	}
1710	–	}
1711	–
1629		/**
1630		* For use as ThreadFactory in constructors
1631		*/
#	Line 1722 | Line 1639 | public class JSR166TestCase extends Test
1639		boolean isDone();
1640		}
1641
1725	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1726	–	return new TrackedRunnable() {
1727	–	private volatile boolean done = false;
1728	–	public boolean isDone() { return done; }
1729	–	public void run() {
1730	–	try {
1731	–	delay(timeoutMillis);
1732	–	done = true;
1733	–	} catch (InterruptedException ok) {}
1734	–	}
1735	–	};
1736	–	}
1737	–
1738	–	public static class TrackedShortRunnable implements Runnable {
1739	–	public volatile boolean done = false;
1740	–	public void run() {
1741	–	try {
1742	–	delay(SHORT_DELAY_MS);
1743	–	done = true;
1744	–	} catch (InterruptedException ok) {}
1745	–	}
1746	–	}
1747	–
1748	–	public static class TrackedSmallRunnable implements Runnable {
1749	–	public volatile boolean done = false;
1750	–	public void run() {
1751	–	try {
1752	–	delay(SMALL_DELAY_MS);
1753	–	done = true;
1754	–	} catch (InterruptedException ok) {}
1755	–	}
1756	–	}
1757	–
1758	–	public static class TrackedMediumRunnable implements Runnable {
1759	–	public volatile boolean done = false;
1760	–	public void run() {
1761	–	try {
1762	–	delay(MEDIUM_DELAY_MS);
1763	–	done = true;
1764	–	} catch (InterruptedException ok) {}
1765	–	}
1766	–	}
1767	–
1768	–	public static class TrackedLongRunnable implements Runnable {
1769	–	public volatile boolean done = false;
1770	–	public void run() {
1771	–	try {
1772	–	delay(LONG_DELAY_MS);
1773	–	done = true;
1774	–	} catch (InterruptedException ok) {}
1775	–	}
1776	–	}
1777	–
1642		public static class TrackedNoOpRunnable implements Runnable {
1643		public volatile boolean done = false;
1644		public void run() {
#	Line 1782 | Line 1646 | public class JSR166TestCase extends Test
1646		}
1647		}
1648
1785	–	public static class TrackedCallable implements Callable {
1786	–	public volatile boolean done = false;
1787	–	public Object call() {
1788	–	try {
1789	–	delay(SMALL_DELAY_MS);
1790	–	done = true;
1791	–	} catch (InterruptedException ok) {}
1792	–	return Boolean.TRUE;
1793	–	}
1794	–	}
1795	–
1649		/**
1650		* Analog of CheckedRunnable for RecursiveAction
1651		*/
#	Line 1819 | Line 1672 | public class JSR166TestCase extends Test
1672		return realCompute();
1673		} catch (Throwable fail) {
1674		threadUnexpectedException(fail);
1822	–	return null;
1675		}
1676	+	throw new AssertionError("unreached");
1677		}
1678		}
1679
#	Line 1834 | Line 1687 | public class JSR166TestCase extends Test
1687
1688		/**
1689		* A CyclicBarrier that uses timed await and fails with
1690	<	* AssertionFailedErrors instead of throwing checked exceptions.
1690	>	* AssertionErrors instead of throwing checked exceptions.
1691		*/
1692		public static class CheckedBarrier extends CyclicBarrier {
1693		public CheckedBarrier(int parties) { super(parties); }
#	Line 1843 | Line 1696 | public class JSR166TestCase extends Test
1696		try {
1697		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1698		} catch (TimeoutException timedOut) {
1699	<	throw new AssertionFailedError("timed out");
1699	>	throw new AssertionError("timed out");
1700		} catch (Exception fail) {
1701	<	AssertionFailedError afe =
1849	<	new AssertionFailedError("Unexpected exception: " + fail);
1850	<	afe.initCause(fail);
1851	<	throw afe;
1701	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1702		}
1703		}
1704		}
#	Line 1859 | Line 1709 | public class JSR166TestCase extends Test
1709		assertEquals(0, q.size());
1710		assertNull(q.peek());
1711		assertNull(q.poll());
1712	<	assertNull(q.poll(0, MILLISECONDS));
1712	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1713		assertEquals(q.toString(), "[]");
1714		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1715		assertFalse(q.iterator().hasNext());
#	Line 1900 | Line 1750 | public class JSR166TestCase extends Test
1750		}
1751		}
1752
1753	<	void assertImmutable(final Object o) {
1753	>	void assertImmutable(Object o) {
1754		if (o instanceof Collection) {
1755		assertThrows(
1756		UnsupportedOperationException.class,
1757	<	new Runnable() { public void run() {
1908	<	((Collection) o).add(null);}});
1757	>	() -> ((Collection) o).add(null));
1758		}
1759		}
1760
1761		@SuppressWarnings("unchecked")
1762		<T> T serialClone(T o) {
1763	+	T clone = null;
1764		try {
1765		ObjectInputStream ois = new ObjectInputStream
1766		(new ByteArrayInputStream(serialBytes(o)));
1767	<	T clone = (T) ois.readObject();
1918	<	if (o == clone) assertImmutable(o);
1919	<	assertSame(o.getClass(), clone.getClass());
1920	<	return clone;
1767	>	clone = (T) ois.readObject();
1768		} catch (Throwable fail) {
1769		threadUnexpectedException(fail);
1923	–	return null;
1770		}
1771	+	if (o == clone) assertImmutable(o);
1772	+	else assertSame(o.getClass(), clone.getClass());
1773	+	return clone;
1774		}
1775
1776		/**
#	Line 1940 | Line 1789 | public class JSR166TestCase extends Test
1789		(new ByteArrayInputStream(bos.toByteArray()));
1790		T clone = (T) ois.readObject();
1791		if (o == clone) assertImmutable(o);
1792	<	assertSame(o.getClass(), clone.getClass());
1792	>	else assertSame(o.getClass(), clone.getClass());
1793		return clone;
1794		}
1795
#	Line 1965 | Line 1814 | public class JSR166TestCase extends Test
1814		}
1815
1816		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1817	<	Runnable... throwingActions) {
1818	<	for (Runnable throwingAction : throwingActions) {
1817	>	Action... throwingActions) {
1818	>	for (Action throwingAction : throwingActions) {
1819		boolean threw = false;
1820		try { throwingAction.run(); }
1821		catch (Throwable t) {
1822		threw = true;
1823	<	if (!expectedExceptionClass.isInstance(t)) {
1824	<	AssertionFailedError afe =
1825	<	new AssertionFailedError
1826	<	("Expected " + expectedExceptionClass.getName() +
1827	<	", got " + t.getClass().getName());
1979	<	afe.initCause(t);
1980	<	threadUnexpectedException(afe);
1981	<	}
1823	>	if (!expectedExceptionClass.isInstance(t))
1824	>	throw new AssertionError(
1825	>	"Expected " + expectedExceptionClass.getName() +
1826	>	", got " + t.getClass().getName(),
1827	>	t);
1828		}
1829		if (!threw)
1830		shouldThrow(expectedExceptionClass.getName());
#	Line 2010 | Line 1856 | public class JSR166TestCase extends Test
1856		static <T> void shuffle(T[] array) {
1857		Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1858		}
1859	+
1860	+	/**
1861	+	* Returns the same String as would be returned by {@link
1862	+	* Object#toString}, whether or not the given object's class
1863	+	* overrides toString().
1864	+	*
1865	+	* @see System#identityHashCode
1866	+	*/
1867	+	static String identityString(Object x) {
1868	+	return x.getClass().getName()
1869	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1870	+	}
1871	+
1872	+	// --- Shared assertions for Executor tests ---
1873	+
1874	+	/**
1875	+	* Returns maximum number of tasks that can be submitted to given
1876	+	* pool (with bounded queue) before saturation (when submission
1877	+	* throws RejectedExecutionException).
1878	+	*/
1879	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1880	+	BlockingQueue<Runnable> q = pool.getQueue();
1881	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1882	+	}
1883	+
1884	+	@SuppressWarnings("FutureReturnValueIgnored")
1885	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1886	+	try {
1887	+	e.execute((Runnable) null);
1888	+	shouldThrow();
1889	+	} catch (NullPointerException success) {}
1890	+
1891	+	if (! (e instanceof ExecutorService)) return;
1892	+	ExecutorService es = (ExecutorService) e;
1893	+	try {
1894	+	es.submit((Runnable) null);
1895	+	shouldThrow();
1896	+	} catch (NullPointerException success) {}
1897	+	try {
1898	+	es.submit((Runnable) null, Boolean.TRUE);
1899	+	shouldThrow();
1900	+	} catch (NullPointerException success) {}
1901	+	try {
1902	+	es.submit((Callable) null);
1903	+	shouldThrow();
1904	+	} catch (NullPointerException success) {}
1905	+
1906	+	if (! (e instanceof ScheduledExecutorService)) return;
1907	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1908	+	try {
1909	+	ses.schedule((Runnable) null,
1910	+	randomTimeout(), randomTimeUnit());
1911	+	shouldThrow();
1912	+	} catch (NullPointerException success) {}
1913	+	try {
1914	+	ses.schedule((Callable) null,
1915	+	randomTimeout(), randomTimeUnit());
1916	+	shouldThrow();
1917	+	} catch (NullPointerException success) {}
1918	+	try {
1919	+	ses.scheduleAtFixedRate((Runnable) null,
1920	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1921	+	shouldThrow();
1922	+	} catch (NullPointerException success) {}
1923	+	try {
1924	+	ses.scheduleWithFixedDelay((Runnable) null,
1925	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1926	+	shouldThrow();
1927	+	} catch (NullPointerException success) {}
1928	+	}
1929	+
1930	+	void setRejectedExecutionHandler(
1931	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1932	+	p.setRejectedExecutionHandler(handler);
1933	+	assertSame(handler, p.getRejectedExecutionHandler());
1934	+	}
1935	+
1936	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1937	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1938	+	final long savedTaskCount = p.getTaskCount();
1939	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1940	+	final int savedQueueSize = p.getQueue().size();
1941	+	final boolean stock = (p.getClass().getClassLoader() == null);
1942	+
1943	+	Runnable r = () -> {};
1944	+	Callable<Boolean> c = () -> Boolean.TRUE;
1945	+
1946	+	class Recorder implements RejectedExecutionHandler {
1947	+	public volatile Runnable r = null;
1948	+	public volatile ThreadPoolExecutor p = null;
1949	+	public void reset() { r = null; p = null; }
1950	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1951	+	assertNull(this.r);
1952	+	assertNull(this.p);
1953	+	this.r = r;
1954	+	this.p = p;
1955	+	}
1956	+	}
1957	+
1958	+	// check custom handler is invoked exactly once per task
1959	+	Recorder recorder = new Recorder();
1960	+	setRejectedExecutionHandler(p, recorder);
1961	+	for (int i = 2; i--> 0; ) {
1962	+	recorder.reset();
1963	+	p.execute(r);
1964	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
1965	+	assertSame(r, recorder.r);
1966	+	assertSame(p, recorder.p);
1967	+
1968	+	recorder.reset();
1969	+	assertFalse(p.submit(r).isDone());
1970	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1971	+	assertSame(p, recorder.p);
1972	+
1973	+	recorder.reset();
1974	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1975	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1976	+	assertSame(p, recorder.p);
1977	+
1978	+	recorder.reset();
1979	+	assertFalse(p.submit(c).isDone());
1980	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1981	+	assertSame(p, recorder.p);
1982	+
1983	+	if (p instanceof ScheduledExecutorService) {
1984	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
1985	+	ScheduledFuture<?> future;
1986	+
1987	+	recorder.reset();
1988	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
1989	+	assertFalse(future.isDone());
1990	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1991	+	assertSame(p, recorder.p);
1992	+
1993	+	recorder.reset();
1994	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
1995	+	assertFalse(future.isDone());
1996	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1997	+	assertSame(p, recorder.p);
1998	+
1999	+	recorder.reset();
2000	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2001	+	assertFalse(future.isDone());
2002	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2003	+	assertSame(p, recorder.p);
2004	+
2005	+	recorder.reset();
2006	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2007	+	assertFalse(future.isDone());
2008	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2009	+	assertSame(p, recorder.p);
2010	+	}
2011	+	}
2012	+
2013	+	// Checking our custom handler above should be sufficient, but
2014	+	// we add some integration tests of standard handlers.
2015	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2016	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2017	+
2018	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2019	+	try {
2020	+	p.execute(setThread);
2021	+	shouldThrow();
2022	+	} catch (RejectedExecutionException success) {}
2023	+	assertNull(thread.get());
2024	+
2025	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2026	+	p.execute(setThread);
2027	+	assertNull(thread.get());
2028	+
2029	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2030	+	p.execute(setThread);
2031	+	if (p.isShutdown())
2032	+	assertNull(thread.get());
2033	+	else
2034	+	assertSame(Thread.currentThread(), thread.get());
2035	+
2036	+	setRejectedExecutionHandler(p, savedHandler);
2037	+
2038	+	// check that pool was not perturbed by handlers
2039	+	assertEquals(savedTaskCount, p.getTaskCount());
2040	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2041	+	assertEquals(savedQueueSize, p.getQueue().size());
2042	+	}
2043	+
2044	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2045	+	assertEquals(x, y);
2046	+	assertEquals(y, x);
2047	+	assertEquals(x.isEmpty(), y.isEmpty());
2048	+	assertEquals(x.size(), y.size());
2049	+	if (x instanceof List) {
2050	+	assertEquals(x.toString(), y.toString());
2051	+	}
2052	+	if (x instanceof List || x instanceof Set) {
2053	+	assertEquals(x.hashCode(), y.hashCode());
2054	+	}
2055	+	if (x instanceof List || x instanceof Deque) {
2056	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2057	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2058	+	y.toArray(new Object[0])));
2059	+	}
2060	+	}
2061	+
2062	+	/**
2063	+	* A weaker form of assertCollectionsEquals which does not insist
2064	+	* that the two collections satisfy Object#equals(Object), since
2065	+	* they may use identity semantics as Deques do.
2066	+	*/
2067	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2068	+	if (x instanceof List || x instanceof Set)
2069	+	assertCollectionsEquals(x, y);
2070	+	else {
2071	+	assertEquals(x.isEmpty(), y.isEmpty());
2072	+	assertEquals(x.size(), y.size());
2073	+	assertEquals(new HashSet(x), new HashSet(y));
2074	+	if (x instanceof Deque) {
2075	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2076	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2077	+	y.toArray(new Object[0])));
2078	+	}
2079	+	}
2080	+	}
2081		}

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