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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.230 by jsr166, Mon May 15 16:21:07 2017 UTC vs.
Revision 1.255 by jsr166, Sun Jul 28 18:09:25 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 272 | Line 288 | public class JSR166TestCase extends Test
288		// Avoid spurious reports with enormous runsPerTest.
289		// A single test case run should never take more than 1 second.
290		// But let's cap it at the high end too ...
291	<	final int timeoutMinutes =
292	<	Math.min(15, Math.max(runsPerTest / 60, 1));
291	>	final int timeoutMinutesMin = Math.max(runsPerTest / 60, 1)
292	>	* Math.max((int) delayFactor, 1);
293	>	final int timeoutMinutes = Math.min(15, timeoutMinutesMin);
294		for (TestCase lastTestCase = currentTestCase;;) {
295		try { MINUTES.sleep(timeoutMinutes); }
296		catch (InterruptedException unexpected) { break; }
#	Line 413 | Line 430 | public class JSR166TestCase extends Test
430		for (String testClassName : testClassNames) {
431		try {
432		Class<?> testClass = Class.forName(testClassName);
433	<	Method m = testClass.getDeclaredMethod("suite",
417	<	new Class<?>[0]);
433	>	Method m = testClass.getDeclaredMethod("suite");
434		suite.addTest(newTestSuite((Test)m.invoke(null)));
435	<	} catch (Exception e) {
436	<	throw new Error("Missing test class", e);
435	>	} catch (ReflectiveOperationException e) {
436	>	throw new AssertionError("Missing test class", e);
437		}
438		}
439		}
#	Line 439 | Line 455 | public class JSR166TestCase extends Test
455		}
456		}
457
458	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
459	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
460	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
461	<	public static boolean atLeastJava9() {
462	<	return JAVA_CLASS_VERSION >= 53.0
463	<	// As of 2015-09, java9 still uses 52.0 class file version
464	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
465	<	}
466	<	public static boolean atLeastJava10() {
467	<	return JAVA_CLASS_VERSION >= 54.0
468	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
469	<	}
458	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
459	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
460	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
461	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
462	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
463	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
464	>	public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; }
465	>	public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; }
466	>	public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; }
467	>	public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; }
468	>	public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; }
469	>	public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; }
470
471		/**
472		* Collects all JSR166 unit tests as one suite.
#	Line 502 | Line 518 | public class JSR166TestCase extends Test
518		ExecutorsTest.suite(),
519		ExecutorCompletionServiceTest.suite(),
520		FutureTaskTest.suite(),
521	+	HashtableTest.suite(),
522		LinkedBlockingDequeTest.suite(),
523		LinkedBlockingQueueTest.suite(),
524		LinkedListTest.suite(),
#	Line 538 | Line 555 | public class JSR166TestCase extends Test
555		"DoubleAdderTest",
556		"ForkJoinPool8Test",
557		"ForkJoinTask8Test",
558	+	"HashMapTest",
559		"LinkedBlockingDeque8Test",
560		"LinkedBlockingQueue8Test",
561	+	"LinkedHashMapTest",
562		"LongAccumulatorTest",
563		"LongAdderTest",
564		"SplittableRandomTest",
#	Line 600 | Line 619 | public class JSR166TestCase extends Test
619		for (String methodName : testMethodNames(testClass))
620		suite.addTest((Test) c.newInstance(data, methodName));
621		return suite;
622	<	} catch (Exception e) {
623	<	throw new Error(e);
622	>	} catch (ReflectiveOperationException e) {
623	>	throw new AssertionError(e);
624		}
625		}
626
#	Line 617 | Line 636 | public class JSR166TestCase extends Test
636		if (atLeastJava8()) {
637		String name = testClass.getName();
638		String name8 = name.replaceAll("Test$", "8Test");
639	<	if (name.equals(name8)) throw new Error(name);
639	>	if (name.equals(name8)) throw new AssertionError(name);
640		try {
641		return (Test)
642		Class.forName(name8)
643	<	.getMethod("testSuite", new Class[] { dataClass })
643	>	.getMethod("testSuite", dataClass)
644		.invoke(null, data);
645	<	} catch (Exception e) {
646	<	throw new Error(e);
645	>	} catch (ReflectiveOperationException e) {
646	>	throw new AssertionError(e);
647		}
648		} else {
649		return new TestSuite();
#	Line 638 | Line 657 | public class JSR166TestCase extends Test
657		public static long MEDIUM_DELAY_MS;
658		public static long LONG_DELAY_MS;
659
660	+	private static final long RANDOM_TIMEOUT;
661	+	private static final long RANDOM_EXPIRED_TIMEOUT;
662	+	private static final TimeUnit RANDOM_TIMEUNIT;
663	+	static {
664	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
665	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
666	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
667	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
668	+	TimeUnit[] timeUnits = TimeUnit.values();
669	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
670	+	}
671	+
672	+	/**
673	+	* Returns a timeout for use when any value at all will do.
674	+	*/
675	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
676	+
677	+	/**
678	+	* Returns a timeout that means "no waiting", i.e. not positive.
679	+	*/
680	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
681	+
682	+	/**
683	+	* Returns a random non-null TimeUnit.
684	+	*/
685	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
686	+
687		/**
688		* Returns the shortest timed delay. This can be scaled up for
689		* slow machines using the jsr166.delay.factor system property,
#	Line 706 | Line 752 | public class JSR166TestCase extends Test
752		String msg = toString() + ": " + String.format(format, args);
753		System.err.println(msg);
754		dumpTestThreads();
755	<	throw new AssertionFailedError(msg);
755	>	throw new AssertionError(msg);
756		}
757
758		/**
#	Line 727 | Line 773 | public class JSR166TestCase extends Test
773		throw (RuntimeException) t;
774		else if (t instanceof Exception)
775		throw (Exception) t;
776	<	else {
777	<	AssertionFailedError afe =
732	<	new AssertionFailedError(t.toString());
733	<	afe.initCause(t);
734	<	throw afe;
735	<	}
776	>	else
777	>	throw new AssertionError(t.toString(), t);
778		}
779
780		if (Thread.interrupted())
#	Line 766 | Line 808 | public class JSR166TestCase extends Test
808
809		/**
810		* Just like fail(reason), but additionally recording (using
811	<	* threadRecordFailure) any AssertionFailedError thrown, so that
812	<	* the current testcase will fail.
811	>	* threadRecordFailure) any AssertionError thrown, so that the
812	>	* current testcase will fail.
813		*/
814		public void threadFail(String reason) {
815		try {
816		fail(reason);
817	<	} catch (AssertionFailedError t) {
818	<	threadRecordFailure(t);
819	<	throw t;
817	>	} catch (AssertionError fail) {
818	>	threadRecordFailure(fail);
819	>	throw fail;
820		}
821		}
822
823		/**
824		* Just like assertTrue(b), but additionally recording (using
825	<	* threadRecordFailure) any AssertionFailedError thrown, so that
826	<	* the current testcase will fail.
825	>	* threadRecordFailure) any AssertionError thrown, so that the
826	>	* current testcase will fail.
827		*/
828		public void threadAssertTrue(boolean b) {
829		try {
830		assertTrue(b);
831	<	} catch (AssertionFailedError t) {
832	<	threadRecordFailure(t);
833	<	throw t;
831	>	} catch (AssertionError fail) {
832	>	threadRecordFailure(fail);
833	>	throw fail;
834		}
835		}
836
837		/**
838		* Just like assertFalse(b), but additionally recording (using
839	<	* threadRecordFailure) any AssertionFailedError thrown, so that
840	<	* the current testcase will fail.
839	>	* threadRecordFailure) any AssertionError thrown, so that the
840	>	* current testcase will fail.
841		*/
842		public void threadAssertFalse(boolean b) {
843		try {
844		assertFalse(b);
845	<	} catch (AssertionFailedError t) {
846	<	threadRecordFailure(t);
847	<	throw t;
845	>	} catch (AssertionError fail) {
846	>	threadRecordFailure(fail);
847	>	throw fail;
848		}
849		}
850
851		/**
852		* Just like assertNull(x), but additionally recording (using
853	<	* threadRecordFailure) any AssertionFailedError thrown, so that
854	<	* the current testcase will fail.
853	>	* threadRecordFailure) any AssertionError thrown, so that the
854	>	* current testcase will fail.
855		*/
856		public void threadAssertNull(Object x) {
857		try {
858		assertNull(x);
859	<	} catch (AssertionFailedError t) {
860	<	threadRecordFailure(t);
861	<	throw t;
859	>	} catch (AssertionError fail) {
860	>	threadRecordFailure(fail);
861	>	throw fail;
862		}
863		}
864
865		/**
866		* Just like assertEquals(x, y), but additionally recording (using
867	<	* threadRecordFailure) any AssertionFailedError thrown, so that
868	<	* the current testcase will fail.
867	>	* threadRecordFailure) any AssertionError thrown, so that the
868	>	* current testcase will fail.
869		*/
870		public void threadAssertEquals(long x, long y) {
871		try {
872		assertEquals(x, y);
873	<	} catch (AssertionFailedError t) {
874	<	threadRecordFailure(t);
875	<	throw t;
873	>	} catch (AssertionError fail) {
874	>	threadRecordFailure(fail);
875	>	throw fail;
876		}
877		}
878
879		/**
880		* Just like assertEquals(x, y), but additionally recording (using
881	<	* threadRecordFailure) any AssertionFailedError thrown, so that
882	<	* the current testcase will fail.
881	>	* threadRecordFailure) any AssertionError thrown, so that the
882	>	* current testcase will fail.
883		*/
884		public void threadAssertEquals(Object x, Object y) {
885		try {
886		assertEquals(x, y);
887	<	} catch (AssertionFailedError fail) {
887	>	} catch (AssertionError fail) {
888		threadRecordFailure(fail);
889		throw fail;
890		} catch (Throwable fail) {
#	Line 852 | Line 894 | public class JSR166TestCase extends Test
894
895		/**
896		* Just like assertSame(x, y), but additionally recording (using
897	<	* threadRecordFailure) any AssertionFailedError thrown, so that
898	<	* the current testcase will fail.
897	>	* threadRecordFailure) any AssertionError thrown, so that the
898	>	* current testcase will fail.
899		*/
900		public void threadAssertSame(Object x, Object y) {
901		try {
902		assertSame(x, y);
903	<	} catch (AssertionFailedError fail) {
903	>	} catch (AssertionError fail) {
904		threadRecordFailure(fail);
905		throw fail;
906		}
#	Line 880 | Line 922 | public class JSR166TestCase extends Test
922
923		/**
924		* Records the given exception using {@link #threadRecordFailure},
925	<	* then rethrows the exception, wrapping it in an
926	<	* AssertionFailedError if necessary.
925	>	* then rethrows the exception, wrapping it in an AssertionError
926	>	* if necessary.
927		*/
928		public void threadUnexpectedException(Throwable t) {
929		threadRecordFailure(t);
#	Line 890 | Line 932 | public class JSR166TestCase extends Test
932		throw (RuntimeException) t;
933		else if (t instanceof Error)
934		throw (Error) t;
935	<	else {
936	<	AssertionFailedError afe =
895	<	new AssertionFailedError("unexpected exception: " + t);
896	<	afe.initCause(t);
897	<	throw afe;
898	<	}
935	>	else
936	>	throw new AssertionError("unexpected exception: " + t, t);
937		}
938
939		/**
#	Line 1071 | Line 1109 | public class JSR166TestCase extends Test
1109		for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1110		try { delay(1); }
1111		catch (InterruptedException fail) {
1112	<	fail("Unexpected InterruptedException");
1112	>	throw new AssertionError("Unexpected InterruptedException", fail);
1113		}
1114		Thread.State s = thread.getState();
1115		if (s == expected)
#	Line 1083 | Line 1121 | public class JSR166TestCase extends Test
1121		}
1122
1123		/**
1086	–	* Checks that thread does not terminate within the default
1087	–	* millisecond delay of {@code timeoutMillis()}.
1088	–	* TODO: REMOVEME
1089	–	*/
1090	–	void assertThreadStaysAlive(Thread thread) {
1091	–	assertThreadStaysAlive(thread, timeoutMillis());
1092	–	}
1093	–
1094	–	/**
1095	–	* Checks that thread does not terminate within the given millisecond delay.
1096	–	* TODO: REMOVEME
1097	–	*/
1098	–	void assertThreadStaysAlive(Thread thread, long millis) {
1099	–	try {
1100	–	// No need to optimize the failing case via Thread.join.
1101	–	delay(millis);
1102	–	assertTrue(thread.isAlive());
1103	–	} catch (InterruptedException fail) {
1104	–	threadFail("Unexpected InterruptedException");
1105	–	}
1106	–	}
1107	–
1108	–	/**
1124		* Checks that future.get times out, with the default timeout of
1125		* {@code timeoutMillis()}.
1126		*/
#	Line 1280 | Line 1295 | public class JSR166TestCase extends Test
1295
1296		/**
1297		* Sleeps until the given time has elapsed.
1298	<	* Throws AssertionFailedError if interrupted.
1298	>	* Throws AssertionError if interrupted.
1299		*/
1300		static void sleep(long millis) {
1301		try {
1302		delay(millis);
1303		} catch (InterruptedException fail) {
1304	<	AssertionFailedError afe =
1290	<	new AssertionFailedError("Unexpected InterruptedException");
1291	<	afe.initCause(fail);
1292	<	throw afe;
1304	>	throw new AssertionError("Unexpected InterruptedException", fail);
1305		}
1306		}
1307
1308		/**
1309		* Spin-waits up to the specified number of milliseconds for the given
1310		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1311	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1312		*/
1313	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1314	<	long startTime = 0L;
1315	<	for (;;) {
1316	<	Thread.State s = thread.getState();
1317	<	if (s == Thread.State.BLOCKED ||
1318	<	s == Thread.State.WAITING ||
1319	<	s == Thread.State.TIMED_WAITING)
1320	<	return;
1321	<	else if (s == Thread.State.TERMINATED)
1313	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1314	>	Callable<Boolean> waitingForGodot) {
1315	>	for (long startTime = 0L;;) {
1316	>	switch (thread.getState()) {
1317	>	default: break;
1318	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1319	>	try {
1320	>	if (waitingForGodot == null || waitingForGodot.call())
1321	>	return;
1322	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1323	>	break;
1324	>	case TERMINATED:
1325		fail("Unexpected thread termination");
1326	<	else if (startTime == 0L)
1326	>	}
1327	>
1328	>	if (startTime == 0L)
1329		startTime = System.nanoTime();
1330		else if (millisElapsedSince(startTime) > timeoutMillis) {
1331	<	threadAssertTrue(thread.isAlive());
1332	<	fail("timed out waiting for thread to enter wait state");
1331	>	assertTrue(thread.isAlive());
1332	>	if (waitingForGodot == null
1333	>	|| thread.getState() == Thread.State.RUNNABLE)
1334	>	fail("timed out waiting for thread to enter wait state");
1335	>	else
1336	>	fail("timed out waiting for condition, thread state="
1337	>	+ thread.getState());
1338		}
1339		Thread.yield();
1340		}
#	Line 1319 | Line 1342 | public class JSR166TestCase extends Test
1342
1343		/**
1344		* Spin-waits up to the specified number of milliseconds for the given
1345	<	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1323	<	* and additionally satisfy the given condition.
1345	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1346		*/
1347	<	void waitForThreadToEnterWaitState(
1348	<	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1327	<	long startTime = 0L;
1328	<	for (;;) {
1329	<	Thread.State s = thread.getState();
1330	<	if (s == Thread.State.BLOCKED ||
1331	<	s == Thread.State.WAITING ||
1332	<	s == Thread.State.TIMED_WAITING) {
1333	<	try {
1334	<	if (waitingForGodot.call())
1335	<	return;
1336	<	} catch (Throwable fail) { threadUnexpectedException(fail); }
1337	<	}
1338	<	else if (s == Thread.State.TERMINATED)
1339	<	fail("Unexpected thread termination");
1340	<	else if (startTime == 0L)
1341	<	startTime = System.nanoTime();
1342	<	else if (millisElapsedSince(startTime) > timeoutMillis) {
1343	<	threadAssertTrue(thread.isAlive());
1344	<	fail("timed out waiting for thread to enter wait state");
1345	<	}
1346	<	Thread.yield();
1347	<	}
1347	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1348	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1349		}
1350
1351		/**
#	Line 1352 | Line 1353 | public class JSR166TestCase extends Test
1353		* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1354		*/
1355		void waitForThreadToEnterWaitState(Thread thread) {
1356	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1356	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1357		}
1358
1359		/**
#	Line 1360 | Line 1361 | public class JSR166TestCase extends Test
1361		* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1362		* and additionally satisfy the given condition.
1363		*/
1364	<	void waitForThreadToEnterWaitState(
1365	<	Thread thread, Callable<Boolean> waitingForGodot) {
1364	>	void waitForThreadToEnterWaitState(Thread thread,
1365	>	Callable<Boolean> waitingForGodot) {
1366		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1367		}
1368
#	Line 1380 | Line 1381 | public class JSR166TestCase extends Test
1381		//             r.run();
1382		//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1383		//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1384	<	//             throw new AssertionFailedError("did not return promptly");
1384	>	//             throw new AssertionError("did not return promptly");
1385		//     }
1386
1387		//     void assertTerminatesPromptly(Runnable r) {
#	Line 1393 | Line 1394 | public class JSR166TestCase extends Test
1394		*/
1395		<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1396		long startTime = System.nanoTime();
1397	+	T actual = null;
1398		try {
1399	<	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1399	>	actual = f.get(timeoutMillis, MILLISECONDS);
1400		} catch (Throwable fail) { threadUnexpectedException(fail); }
1401	+	assertEquals(expectedValue, actual);
1402		if (millisElapsedSince(startTime) > timeoutMillis/2)
1403	<	throw new AssertionFailedError("timed get did not return promptly");
1403	>	throw new AssertionError("timed get did not return promptly");
1404		}
1405
1406		<T> void checkTimedGet(Future<T> f, T expectedValue) {
#	Line 1455 | Line 1458 | public class JSR166TestCase extends Test
1458		}
1459		}
1460
1458	–	public abstract class RunnableShouldThrow implements Runnable {
1459	–	protected abstract void realRun() throws Throwable;
1460	–
1461	–	final Class<?> exceptionClass;
1462	–
1463	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1464	–	this.exceptionClass = exceptionClass;
1465	–	}
1466	–
1467	–	public final void run() {
1468	–	try {
1469	–	realRun();
1470	–	threadShouldThrow(exceptionClass.getSimpleName());
1471	–	} catch (Throwable t) {
1472	–	if (! exceptionClass.isInstance(t))
1473	–	threadUnexpectedException(t);
1474	–	}
1475	–	}
1476	–	}
1477	–
1461		public abstract class ThreadShouldThrow extends Thread {
1462		protected abstract void realRun() throws Throwable;
1463
#	Line 1487 | Line 1470 | public class JSR166TestCase extends Test
1470		public final void run() {
1471		try {
1472		realRun();
1490	–	threadShouldThrow(exceptionClass.getSimpleName());
1473		} catch (Throwable t) {
1474		if (! exceptionClass.isInstance(t))
1475		threadUnexpectedException(t);
1476	+	return;
1477		}
1478	+	threadShouldThrow(exceptionClass.getSimpleName());
1479		}
1480		}
1481
#	Line 1501 | Line 1485 | public class JSR166TestCase extends Test
1485		public final void run() {
1486		try {
1487		realRun();
1504	–	threadShouldThrow("InterruptedException");
1488		} catch (InterruptedException success) {
1489		threadAssertFalse(Thread.interrupted());
1490	+	return;
1491		} catch (Throwable fail) {
1492		threadUnexpectedException(fail);
1493		}
1494	+	threadShouldThrow("InterruptedException");
1495		}
1496		}
1497
#	Line 1518 | Line 1503 | public class JSR166TestCase extends Test
1503		return realCall();
1504		} catch (Throwable fail) {
1505		threadUnexpectedException(fail);
1521	–	return null;
1506		}
1507	<	}
1524	<	}
1525	<
1526	<	public abstract class CheckedInterruptedCallable<T>
1527	<	implements Callable<T> {
1528	<	protected abstract T realCall() throws Throwable;
1529	<
1530	<	public final T call() {
1531	<	try {
1532	<	T result = realCall();
1533	<	threadShouldThrow("InterruptedException");
1534	<	return result;
1535	<	} catch (InterruptedException success) {
1536	<	threadAssertFalse(Thread.interrupted());
1537	<	} catch (Throwable fail) {
1538	<	threadUnexpectedException(fail);
1539	<	}
1540	<	return null;
1507	>	throw new AssertionError("unreached");
1508		}
1509		}
1510
#	Line 1594 | Line 1561 | public class JSR166TestCase extends Test
1561		}
1562
1563		public void await(CountDownLatch latch, long timeoutMillis) {
1564	+	boolean timedOut = false;
1565		try {
1566	<	if (!latch.await(timeoutMillis, MILLISECONDS))
1599	<	fail("timed out waiting for CountDownLatch for "
1600	<	+ (timeoutMillis/1000) + " sec");
1566	>	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1567		} catch (Throwable fail) {
1568		threadUnexpectedException(fail);
1569		}
1570	+	if (timedOut)
1571	+	fail("timed out waiting for CountDownLatch for "
1572	+	+ (timeoutMillis/1000) + " sec");
1573		}
1574
1575		public void await(CountDownLatch latch) {
#	Line 1608 | Line 1577 | public class JSR166TestCase extends Test
1577		}
1578
1579		public void await(Semaphore semaphore) {
1580	+	boolean timedOut = false;
1581		try {
1582	<	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1613	<	fail("timed out waiting for Semaphore for "
1614	<	+ (LONG_DELAY_MS/1000) + " sec");
1582	>	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1583		} catch (Throwable fail) {
1584		threadUnexpectedException(fail);
1585		}
1586	+	if (timedOut)
1587	+	fail("timed out waiting for Semaphore for "
1588	+	+ (LONG_DELAY_MS/1000) + " sec");
1589		}
1590
1591		public void await(CyclicBarrier barrier) {
#	Line 1639 | Line 1610 | public class JSR166TestCase extends Test
1610		//         long startTime = System.nanoTime();
1611		//         while (!flag.get()) {
1612		//             if (millisElapsedSince(startTime) > timeoutMillis)
1613	<	//                 throw new AssertionFailedError("timed out");
1613	>	//                 throw new AssertionError("timed out");
1614		//             Thread.yield();
1615		//         }
1616		//     }
#	Line 1648 | Line 1619 | public class JSR166TestCase extends Test
1619		public String call() { throw new NullPointerException(); }
1620		}
1621
1651	–	public static class CallableOne implements Callable<Integer> {
1652	–	public Integer call() { return one; }
1653	–	}
1654	–
1655	–	public class ShortRunnable extends CheckedRunnable {
1656	–	protected void realRun() throws Throwable {
1657	–	delay(SHORT_DELAY_MS);
1658	–	}
1659	–	}
1660	–
1661	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1662	–	protected void realRun() throws InterruptedException {
1663	–	delay(SHORT_DELAY_MS);
1664	–	}
1665	–	}
1666	–
1667	–	public class SmallRunnable extends CheckedRunnable {
1668	–	protected void realRun() throws Throwable {
1669	–	delay(SMALL_DELAY_MS);
1670	–	}
1671	–	}
1672	–
1673	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1674	–	protected void realRun() {
1675	–	try {
1676	–	delay(SMALL_DELAY_MS);
1677	–	} catch (InterruptedException ok) {}
1678	–	}
1679	–	}
1680	–
1681	–	public class SmallCallable extends CheckedCallable {
1682	–	protected Object realCall() throws InterruptedException {
1683	–	delay(SMALL_DELAY_MS);
1684	–	return Boolean.TRUE;
1685	–	}
1686	–	}
1687	–
1688	–	public class MediumRunnable extends CheckedRunnable {
1689	–	protected void realRun() throws Throwable {
1690	–	delay(MEDIUM_DELAY_MS);
1691	–	}
1692	–	}
1693	–
1694	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1695	–	protected void realRun() throws InterruptedException {
1696	–	delay(MEDIUM_DELAY_MS);
1697	–	}
1698	–	}
1699	–
1622		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1623		return new CheckedRunnable() {
1624		protected void realRun() {
#	Line 1706 | Line 1628 | public class JSR166TestCase extends Test
1628		}};
1629		}
1630
1709	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1710	–	protected void realRun() {
1711	–	try {
1712	–	delay(MEDIUM_DELAY_MS);
1713	–	} catch (InterruptedException ok) {}
1714	–	}
1715	–	}
1716	–
1717	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1718	–	protected void realRun() {
1719	–	try {
1720	–	delay(LONG_DELAY_MS);
1721	–	} catch (InterruptedException ok) {}
1722	–	}
1723	–	}
1724	–
1631		/**
1632		* For use as ThreadFactory in constructors
1633		*/
#	Line 1735 | Line 1641 | public class JSR166TestCase extends Test
1641		boolean isDone();
1642		}
1643
1738	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1739	–	return new TrackedRunnable() {
1740	–	private volatile boolean done = false;
1741	–	public boolean isDone() { return done; }
1742	–	public void run() {
1743	–	try {
1744	–	delay(timeoutMillis);
1745	–	done = true;
1746	–	} catch (InterruptedException ok) {}
1747	–	}
1748	–	};
1749	–	}
1750	–
1751	–	public static class TrackedShortRunnable implements Runnable {
1752	–	public volatile boolean done = false;
1753	–	public void run() {
1754	–	try {
1755	–	delay(SHORT_DELAY_MS);
1756	–	done = true;
1757	–	} catch (InterruptedException ok) {}
1758	–	}
1759	–	}
1760	–
1761	–	public static class TrackedSmallRunnable implements Runnable {
1762	–	public volatile boolean done = false;
1763	–	public void run() {
1764	–	try {
1765	–	delay(SMALL_DELAY_MS);
1766	–	done = true;
1767	–	} catch (InterruptedException ok) {}
1768	–	}
1769	–	}
1770	–
1771	–	public static class TrackedMediumRunnable implements Runnable {
1772	–	public volatile boolean done = false;
1773	–	public void run() {
1774	–	try {
1775	–	delay(MEDIUM_DELAY_MS);
1776	–	done = true;
1777	–	} catch (InterruptedException ok) {}
1778	–	}
1779	–	}
1780	–
1781	–	public static class TrackedLongRunnable implements Runnable {
1782	–	public volatile boolean done = false;
1783	–	public void run() {
1784	–	try {
1785	–	delay(LONG_DELAY_MS);
1786	–	done = true;
1787	–	} catch (InterruptedException ok) {}
1788	–	}
1789	–	}
1790	–
1644		public static class TrackedNoOpRunnable implements Runnable {
1645		public volatile boolean done = false;
1646		public void run() {
#	Line 1795 | Line 1648 | public class JSR166TestCase extends Test
1648		}
1649		}
1650
1798	–	public static class TrackedCallable implements Callable {
1799	–	public volatile boolean done = false;
1800	–	public Object call() {
1801	–	try {
1802	–	delay(SMALL_DELAY_MS);
1803	–	done = true;
1804	–	} catch (InterruptedException ok) {}
1805	–	return Boolean.TRUE;
1806	–	}
1807	–	}
1808	–
1651		/**
1652		* Analog of CheckedRunnable for RecursiveAction
1653		*/
#	Line 1832 | Line 1674 | public class JSR166TestCase extends Test
1674		return realCompute();
1675		} catch (Throwable fail) {
1676		threadUnexpectedException(fail);
1835	–	return null;
1677		}
1678	+	throw new AssertionError("unreached");
1679		}
1680		}
1681
#	Line 1847 | Line 1689 | public class JSR166TestCase extends Test
1689
1690		/**
1691		* A CyclicBarrier that uses timed await and fails with
1692	<	* AssertionFailedErrors instead of throwing checked exceptions.
1692	>	* AssertionErrors instead of throwing checked exceptions.
1693		*/
1694		public static class CheckedBarrier extends CyclicBarrier {
1695		public CheckedBarrier(int parties) { super(parties); }
#	Line 1856 | Line 1698 | public class JSR166TestCase extends Test
1698		try {
1699		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1700		} catch (TimeoutException timedOut) {
1701	<	throw new AssertionFailedError("timed out");
1701	>	throw new AssertionError("timed out");
1702		} catch (Exception fail) {
1703	<	AssertionFailedError afe =
1862	<	new AssertionFailedError("Unexpected exception: " + fail);
1863	<	afe.initCause(fail);
1864	<	throw afe;
1703	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1704		}
1705		}
1706		}
#	Line 1872 | Line 1711 | public class JSR166TestCase extends Test
1711		assertEquals(0, q.size());
1712		assertNull(q.peek());
1713		assertNull(q.poll());
1714	<	assertNull(q.poll(0, MILLISECONDS));
1714	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1715		assertEquals(q.toString(), "[]");
1716		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1717		assertFalse(q.iterator().hasNext());
#	Line 1913 | Line 1752 | public class JSR166TestCase extends Test
1752		}
1753		}
1754
1755	<	void assertImmutable(final Object o) {
1755	>	void assertImmutable(Object o) {
1756		if (o instanceof Collection) {
1757		assertThrows(
1758		UnsupportedOperationException.class,
1759	<	new Runnable() { public void run() {
1921	<	((Collection) o).add(null);}});
1759	>	() -> ((Collection) o).add(null));
1760		}
1761		}
1762
1763		@SuppressWarnings("unchecked")
1764		<T> T serialClone(T o) {
1765	+	T clone = null;
1766		try {
1767		ObjectInputStream ois = new ObjectInputStream
1768		(new ByteArrayInputStream(serialBytes(o)));
1769	<	T clone = (T) ois.readObject();
1931	<	if (o == clone) assertImmutable(o);
1932	<	assertSame(o.getClass(), clone.getClass());
1933	<	return clone;
1769	>	clone = (T) ois.readObject();
1770		} catch (Throwable fail) {
1771		threadUnexpectedException(fail);
1936	–	return null;
1772		}
1773	+	if (o == clone) assertImmutable(o);
1774	+	else assertSame(o.getClass(), clone.getClass());
1775	+	return clone;
1776		}
1777
1778		/**
#	Line 1953 | Line 1791 | public class JSR166TestCase extends Test
1791		(new ByteArrayInputStream(bos.toByteArray()));
1792		T clone = (T) ois.readObject();
1793		if (o == clone) assertImmutable(o);
1794	<	assertSame(o.getClass(), clone.getClass());
1794	>	else assertSame(o.getClass(), clone.getClass());
1795		return clone;
1796		}
1797
#	Line 1978 | Line 1816 | public class JSR166TestCase extends Test
1816		}
1817
1818		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1819	<	Runnable... throwingActions) {
1820	<	for (Runnable throwingAction : throwingActions) {
1819	>	Action... throwingActions) {
1820	>	for (Action throwingAction : throwingActions) {
1821		boolean threw = false;
1822		try { throwingAction.run(); }
1823		catch (Throwable t) {
1824		threw = true;
1825	<	if (!expectedExceptionClass.isInstance(t)) {
1826	<	AssertionFailedError afe =
1827	<	new AssertionFailedError
1828	<	("Expected " + expectedExceptionClass.getName() +
1829	<	", got " + t.getClass().getName());
1992	<	afe.initCause(t);
1993	<	threadUnexpectedException(afe);
1994	<	}
1825	>	if (!expectedExceptionClass.isInstance(t))
1826	>	throw new AssertionError(
1827	>	"Expected " + expectedExceptionClass.getName() +
1828	>	", got " + t.getClass().getName(),
1829	>	t);
1830		}
1831		if (!threw)
1832		shouldThrow(expectedExceptionClass.getName());
#	Line 2023 | Line 1858 | public class JSR166TestCase extends Test
1858		static <T> void shuffle(T[] array) {
1859		Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1860		}
1861	+
1862	+	/**
1863	+	* Returns the same String as would be returned by {@link
1864	+	* Object#toString}, whether or not the given object's class
1865	+	* overrides toString().
1866	+	*
1867	+	* @see System#identityHashCode
1868	+	*/
1869	+	static String identityString(Object x) {
1870	+	return x.getClass().getName()
1871	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1872	+	}
1873	+
1874	+	// --- Shared assertions for Executor tests ---
1875	+
1876	+	/**
1877	+	* Returns maximum number of tasks that can be submitted to given
1878	+	* pool (with bounded queue) before saturation (when submission
1879	+	* throws RejectedExecutionException).
1880	+	*/
1881	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1882	+	BlockingQueue<Runnable> q = pool.getQueue();
1883	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1884	+	}
1885	+
1886	+	@SuppressWarnings("FutureReturnValueIgnored")
1887	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1888	+	try {
1889	+	e.execute((Runnable) null);
1890	+	shouldThrow();
1891	+	} catch (NullPointerException success) {}
1892	+
1893	+	if (! (e instanceof ExecutorService)) return;
1894	+	ExecutorService es = (ExecutorService) e;
1895	+	try {
1896	+	es.submit((Runnable) null);
1897	+	shouldThrow();
1898	+	} catch (NullPointerException success) {}
1899	+	try {
1900	+	es.submit((Runnable) null, Boolean.TRUE);
1901	+	shouldThrow();
1902	+	} catch (NullPointerException success) {}
1903	+	try {
1904	+	es.submit((Callable) null);
1905	+	shouldThrow();
1906	+	} catch (NullPointerException success) {}
1907	+
1908	+	if (! (e instanceof ScheduledExecutorService)) return;
1909	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1910	+	try {
1911	+	ses.schedule((Runnable) null,
1912	+	randomTimeout(), randomTimeUnit());
1913	+	shouldThrow();
1914	+	} catch (NullPointerException success) {}
1915	+	try {
1916	+	ses.schedule((Callable) null,
1917	+	randomTimeout(), randomTimeUnit());
1918	+	shouldThrow();
1919	+	} catch (NullPointerException success) {}
1920	+	try {
1921	+	ses.scheduleAtFixedRate((Runnable) null,
1922	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1923	+	shouldThrow();
1924	+	} catch (NullPointerException success) {}
1925	+	try {
1926	+	ses.scheduleWithFixedDelay((Runnable) null,
1927	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1928	+	shouldThrow();
1929	+	} catch (NullPointerException success) {}
1930	+	}
1931	+
1932	+	void setRejectedExecutionHandler(
1933	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1934	+	p.setRejectedExecutionHandler(handler);
1935	+	assertSame(handler, p.getRejectedExecutionHandler());
1936	+	}
1937	+
1938	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1939	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1940	+	final long savedTaskCount = p.getTaskCount();
1941	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1942	+	final int savedQueueSize = p.getQueue().size();
1943	+	final boolean stock = (p.getClass().getClassLoader() == null);
1944	+
1945	+	Runnable r = () -> {};
1946	+	Callable<Boolean> c = () -> Boolean.TRUE;
1947	+
1948	+	class Recorder implements RejectedExecutionHandler {
1949	+	public volatile Runnable r = null;
1950	+	public volatile ThreadPoolExecutor p = null;
1951	+	public void reset() { r = null; p = null; }
1952	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1953	+	assertNull(this.r);
1954	+	assertNull(this.p);
1955	+	this.r = r;
1956	+	this.p = p;
1957	+	}
1958	+	}
1959	+
1960	+	// check custom handler is invoked exactly once per task
1961	+	Recorder recorder = new Recorder();
1962	+	setRejectedExecutionHandler(p, recorder);
1963	+	for (int i = 2; i--> 0; ) {
1964	+	recorder.reset();
1965	+	p.execute(r);
1966	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
1967	+	assertSame(r, recorder.r);
1968	+	assertSame(p, recorder.p);
1969	+
1970	+	recorder.reset();
1971	+	assertFalse(p.submit(r).isDone());
1972	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1973	+	assertSame(p, recorder.p);
1974	+
1975	+	recorder.reset();
1976	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1977	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1978	+	assertSame(p, recorder.p);
1979	+
1980	+	recorder.reset();
1981	+	assertFalse(p.submit(c).isDone());
1982	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1983	+	assertSame(p, recorder.p);
1984	+
1985	+	if (p instanceof ScheduledExecutorService) {
1986	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
1987	+	ScheduledFuture<?> future;
1988	+
1989	+	recorder.reset();
1990	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
1991	+	assertFalse(future.isDone());
1992	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1993	+	assertSame(p, recorder.p);
1994	+
1995	+	recorder.reset();
1996	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
1997	+	assertFalse(future.isDone());
1998	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1999	+	assertSame(p, recorder.p);
2000	+
2001	+	recorder.reset();
2002	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2003	+	assertFalse(future.isDone());
2004	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2005	+	assertSame(p, recorder.p);
2006	+
2007	+	recorder.reset();
2008	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2009	+	assertFalse(future.isDone());
2010	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2011	+	assertSame(p, recorder.p);
2012	+	}
2013	+	}
2014	+
2015	+	// Checking our custom handler above should be sufficient, but
2016	+	// we add some integration tests of standard handlers.
2017	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2018	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2019	+
2020	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2021	+	try {
2022	+	p.execute(setThread);
2023	+	shouldThrow();
2024	+	} catch (RejectedExecutionException success) {}
2025	+	assertNull(thread.get());
2026	+
2027	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2028	+	p.execute(setThread);
2029	+	assertNull(thread.get());
2030	+
2031	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2032	+	p.execute(setThread);
2033	+	if (p.isShutdown())
2034	+	assertNull(thread.get());
2035	+	else
2036	+	assertSame(Thread.currentThread(), thread.get());
2037	+
2038	+	setRejectedExecutionHandler(p, savedHandler);
2039	+
2040	+	// check that pool was not perturbed by handlers
2041	+	assertEquals(savedTaskCount, p.getTaskCount());
2042	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2043	+	assertEquals(savedQueueSize, p.getQueue().size());
2044	+	}
2045	+
2046	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2047	+	assertEquals(x, y);
2048	+	assertEquals(y, x);
2049	+	assertEquals(x.isEmpty(), y.isEmpty());
2050	+	assertEquals(x.size(), y.size());
2051	+	if (x instanceof List) {
2052	+	assertEquals(x.toString(), y.toString());
2053	+	}
2054	+	if (x instanceof List || x instanceof Set) {
2055	+	assertEquals(x.hashCode(), y.hashCode());
2056	+	}
2057	+	if (x instanceof List || x instanceof Deque) {
2058	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2059	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2060	+	y.toArray(new Object[0])));
2061	+	}
2062	+	}
2063	+
2064	+	/**
2065	+	* A weaker form of assertCollectionsEquals which does not insist
2066	+	* that the two collections satisfy Object#equals(Object), since
2067	+	* they may use identity semantics as Deques do.
2068	+	*/
2069	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2070	+	if (x instanceof List || x instanceof Set)
2071	+	assertCollectionsEquals(x, y);
2072	+	else {
2073	+	assertEquals(x.isEmpty(), y.isEmpty());
2074	+	assertEquals(x.size(), y.size());
2075	+	assertEquals(new HashSet(x), new HashSet(y));
2076	+	if (x instanceof Deque) {
2077	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2078	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2079	+	y.toArray(new Object[0])));
2080	+	}
2081	+	}
2082	+	}
2083		}

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