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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.233 by jsr166, Sat Jul 15 23:15:21 2017 UTC vs.
Revision 1.247 by jsr166, Sun Jul 22 21:37:31 2018 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;
#	Line 94 | Line 102 | import java.util.concurrent.atomic.Atomi
102		import java.util.concurrent.atomic.AtomicReference;
103		import java.util.regex.Pattern;
104
97	–	import junit.framework.AssertionFailedError;
105		import junit.framework.Test;
106		import junit.framework.TestCase;
107		import junit.framework.TestResult;
#	Line 414 | 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",
418	<	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 440 | 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
449	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
450	<	}
451	<	public static boolean atLeastJava10() {
452	<	return JAVA_CLASS_VERSION >= 54.0
453	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
454	<	}
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 539 | Line 539 | public class JSR166TestCase extends Test
539		"DoubleAdderTest",
540		"ForkJoinPool8Test",
541		"ForkJoinTask8Test",
542	+	"HashMapTest",
543		"LinkedBlockingDeque8Test",
544		"LinkedBlockingQueue8Test",
545		"LongAccumulatorTest",
#	Line 601 | 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 618 | 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 734 | 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 755 | 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 =
760	<	new AssertionFailedError(t.toString());
761	<	afe.initCause(t);
762	<	throw afe;
763	<	}
759	>	else
760	>	throw new AssertionError(t.toString(), t);
761		}
762
763		if (Thread.interrupted())
#	Line 794 | 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 880 | 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 908 | 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 918 | 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 =
923	<	new AssertionFailedError("unexpected exception: " + t);
924	<	afe.initCause(t);
925	<	throw afe;
926	<	}
918	>	else
919	>	throw new AssertionError("unexpected exception: " + t, t);
920		}
921
922		/**
#	Line 1099 | Line 1092 | public class JSR166TestCase extends Test
1092		for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1093		try { delay(1); }
1094		catch (InterruptedException fail) {
1095	<	fail("Unexpected InterruptedException");
1095	>	throw new AssertionError("Unexpected InterruptedException", fail);
1096		}
1097		Thread.State s = thread.getState();
1098		if (s == expected)
#	Line 1111 | Line 1104 | public class JSR166TestCase extends Test
1104		}
1105
1106		/**
1114	–	* Checks that thread does not terminate within the default
1115	–	* millisecond delay of {@code timeoutMillis()}.
1116	–	* TODO: REMOVEME
1117	–	*/
1118	–	void assertThreadStaysAlive(Thread thread) {
1119	–	assertThreadStaysAlive(thread, timeoutMillis());
1120	–	}
1121	–
1122	–	/**
1123	–	* Checks that thread does not terminate within the given millisecond delay.
1124	–	* TODO: REMOVEME
1125	–	*/
1126	–	void assertThreadStaysAlive(Thread thread, long millis) {
1127	–	try {
1128	–	// No need to optimize the failing case via Thread.join.
1129	–	delay(millis);
1130	–	assertTrue(thread.isAlive());
1131	–	} catch (InterruptedException fail) {
1132	–	threadFail("Unexpected InterruptedException");
1133	–	}
1134	–	}
1135	–
1136	–	/**
1137	–	* Checks that the threads do not terminate within the default
1138	–	* millisecond delay of {@code timeoutMillis()}.
1139	–	* TODO: REMOVEME
1140	–	*/
1141	–	void assertThreadsStayAlive(Thread... threads) {
1142	–	assertThreadsStayAlive(timeoutMillis(), threads);
1143	–	}
1144	–
1145	–	/**
1146	–	* Checks that the threads do not terminate within the given millisecond delay.
1147	–	* TODO: REMOVEME
1148	–	*/
1149	–	void assertThreadsStayAlive(long millis, Thread... threads) {
1150	–	try {
1151	–	// No need to optimize the failing case via Thread.join.
1152	–	delay(millis);
1153	–	for (Thread thread : threads)
1154	–	assertTrue(thread.isAlive());
1155	–	} catch (InterruptedException fail) {
1156	–	threadFail("Unexpected InterruptedException");
1157	–	}
1158	–	}
1159	–
1160	–	/**
1107		* Checks that future.get times out, with the default timeout of
1108		* {@code timeoutMillis()}.
1109		*/
#	Line 1332 | 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 =
1342	<	new AssertionFailedError("Unexpected InterruptedException");
1343	<	afe.initCause(fail);
1344	<	throw afe;
1287	>	throw new AssertionError("Unexpected InterruptedException", fail);
1288		}
1289		}
1290
#	Line 1432 | 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 1445 | 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 1507 | Line 1452 | public class JSR166TestCase extends Test
1452		}
1453		}
1454
1510	–	public abstract class RunnableShouldThrow implements Runnable {
1511	–	protected abstract void realRun() throws Throwable;
1512	–
1513	–	final Class<?> exceptionClass;
1514	–
1515	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1516	–	this.exceptionClass = exceptionClass;
1517	–	}
1518	–
1519	–	public final void run() {
1520	–	try {
1521	–	realRun();
1522	–	threadShouldThrow(exceptionClass.getSimpleName());
1523	–	} catch (Throwable t) {
1524	–	if (! exceptionClass.isInstance(t))
1525	–	threadUnexpectedException(t);
1526	–	}
1527	–	}
1528	–	}
1529	–
1455		public abstract class ThreadShouldThrow extends Thread {
1456		protected abstract void realRun() throws Throwable;
1457
#	Line 1646 | Line 1571 | public class JSR166TestCase extends Test
1571		}
1572
1573		public void await(CountDownLatch latch, long timeoutMillis) {
1574	+	boolean timedOut = false;
1575		try {
1576	<	if (!latch.await(timeoutMillis, MILLISECONDS))
1651	<	fail("timed out waiting for CountDownLatch for "
1652	<	+ (timeoutMillis/1000) + " sec");
1576	>	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1577		} catch (Throwable fail) {
1578		threadUnexpectedException(fail);
1579		}
1580	+	if (timedOut)
1581	+	fail("timed out waiting for CountDownLatch for "
1582	+	+ (timeoutMillis/1000) + " sec");
1583		}
1584
1585		public void await(CountDownLatch latch) {
#	Line 1660 | Line 1587 | public class JSR166TestCase extends Test
1587		}
1588
1589		public void await(Semaphore semaphore) {
1590	+	boolean timedOut = false;
1591		try {
1592	<	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1665	<	fail("timed out waiting for Semaphore for "
1666	<	+ (LONG_DELAY_MS/1000) + " sec");
1592	>	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1593		} catch (Throwable fail) {
1594		threadUnexpectedException(fail);
1595		}
1596	+	if (timedOut)
1597	+	fail("timed out waiting for Semaphore for "
1598	+	+ (LONG_DELAY_MS/1000) + " sec");
1599		}
1600
1601		public void await(CyclicBarrier barrier) {
#	Line 1691 | Line 1620 | public class JSR166TestCase extends Test
1620		//         long startTime = System.nanoTime();
1621		//         while (!flag.get()) {
1622		//             if (millisElapsedSince(startTime) > timeoutMillis)
1623	<	//                 throw new AssertionFailedError("timed out");
1623	>	//                 throw new AssertionError("timed out");
1624		//             Thread.yield();
1625		//         }
1626		//     }
#	Line 1778 | Line 1707 | public class JSR166TestCase extends Test
1707
1708		/**
1709		* A CyclicBarrier that uses timed await and fails with
1710	<	* AssertionFailedErrors instead of throwing checked exceptions.
1710	>	* AssertionErrors instead of throwing checked exceptions.
1711		*/
1712		public static class CheckedBarrier extends CyclicBarrier {
1713		public CheckedBarrier(int parties) { super(parties); }
#	Line 1787 | Line 1716 | public class JSR166TestCase extends Test
1716		try {
1717		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1718		} catch (TimeoutException timedOut) {
1719	<	throw new AssertionFailedError("timed out");
1719	>	throw new AssertionError("timed out");
1720		} catch (Exception fail) {
1721	<	AssertionFailedError afe =
1793	<	new AssertionFailedError("Unexpected exception: " + fail);
1794	<	afe.initCause(fail);
1795	<	throw afe;
1721	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1722		}
1723		}
1724		}
#	Line 1855 | Line 1781 | public class JSR166TestCase extends Test
1781
1782		@SuppressWarnings("unchecked")
1783		<T> T serialClone(T o) {
1784	+	T clone = null;
1785		try {
1786		ObjectInputStream ois = new ObjectInputStream
1787		(new ByteArrayInputStream(serialBytes(o)));
1788	<	T clone = (T) ois.readObject();
1862	<	if (o == clone) assertImmutable(o);
1863	<	assertSame(o.getClass(), clone.getClass());
1864	<	return clone;
1788	>	clone = (T) ois.readObject();
1789		} catch (Throwable fail) {
1790		threadUnexpectedException(fail);
1867	–	return null;
1791		}
1792	+	if (o == clone) assertImmutable(o);
1793	+	else assertSame(o.getClass(), clone.getClass());
1794	+	return clone;
1795		}
1796
1797		/**
#	Line 1884 | Line 1810 | public class JSR166TestCase extends Test
1810		(new ByteArrayInputStream(bos.toByteArray()));
1811		T clone = (T) ois.readObject();
1812		if (o == clone) assertImmutable(o);
1813	<	assertSame(o.getClass(), clone.getClass());
1813	>	else assertSame(o.getClass(), clone.getClass());
1814		return clone;
1815		}
1816
#	Line 1915 | Line 1841 | public class JSR166TestCase extends Test
1841		try { throwingAction.run(); }
1842		catch (Throwable t) {
1843		threw = true;
1844	<	if (!expectedExceptionClass.isInstance(t)) {
1845	<	AssertionFailedError afe =
1846	<	new AssertionFailedError
1847	<	("Expected " + expectedExceptionClass.getName() +
1848	<	", got " + t.getClass().getName());
1923	<	afe.initCause(t);
1924	<	threadUnexpectedException(afe);
1925	<	}
1844	>	if (!expectedExceptionClass.isInstance(t))
1845	>	throw new AssertionError(
1846	>	"Expected " + expectedExceptionClass.getName() +
1847	>	", got " + t.getClass().getName(),
1848	>	t);
1849		}
1850		if (!threw)
1851		shouldThrow(expectedExceptionClass.getName());
#	Line 1951 | Line 1874 | public class JSR166TestCase extends Test
1874		1000L, MILLISECONDS,
1875		new SynchronousQueue<Runnable>());
1876
1877	+	static <T> void shuffle(T[] array) {
1878	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1879	+	}
1880	+
1881	+	/**
1882	+	* Returns the same String as would be returned by {@link
1883	+	* Object#toString}, whether or not the given object's class
1884	+	* overrides toString().
1885	+	*
1886	+	* @see System#identityHashCode
1887	+	*/
1888	+	static String identityString(Object x) {
1889	+	return x.getClass().getName()
1890	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1891	+	}
1892	+
1893	+	// --- Shared assertions for Executor tests ---
1894	+
1895		/**
1896		* Returns maximum number of tasks that can be submitted to given
1897		* pool (with bounded queue) before saturation (when submission
#	Line 1961 | Line 1902 | public class JSR166TestCase extends Test
1902		return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1903		}
1904
1905	<	static <T> void shuffle(T[] array) {
1906	<	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1905	>	@SuppressWarnings("FutureReturnValueIgnored")
1906	>	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1907	>	try {
1908	>	e.execute((Runnable) null);
1909	>	shouldThrow();
1910	>	} catch (NullPointerException success) {}
1911	>
1912	>	if (! (e instanceof ExecutorService)) return;
1913	>	ExecutorService es = (ExecutorService) e;
1914	>	try {
1915	>	es.submit((Runnable) null);
1916	>	shouldThrow();
1917	>	} catch (NullPointerException success) {}
1918	>	try {
1919	>	es.submit((Runnable) null, Boolean.TRUE);
1920	>	shouldThrow();
1921	>	} catch (NullPointerException success) {}
1922	>	try {
1923	>	es.submit((Callable) null);
1924	>	shouldThrow();
1925	>	} catch (NullPointerException success) {}
1926	>
1927	>	if (! (e instanceof ScheduledExecutorService)) return;
1928	>	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1929	>	try {
1930	>	ses.schedule((Runnable) null,
1931	>	randomTimeout(), randomTimeUnit());
1932	>	shouldThrow();
1933	>	} catch (NullPointerException success) {}
1934	>	try {
1935	>	ses.schedule((Callable) null,
1936	>	randomTimeout(), randomTimeUnit());
1937	>	shouldThrow();
1938	>	} catch (NullPointerException success) {}
1939	>	try {
1940	>	ses.scheduleAtFixedRate((Runnable) null,
1941	>	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1942	>	shouldThrow();
1943	>	} catch (NullPointerException success) {}
1944	>	try {
1945	>	ses.scheduleWithFixedDelay((Runnable) null,
1946	>	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1947	>	shouldThrow();
1948	>	} catch (NullPointerException success) {}
1949	>	}
1950	>
1951	>	void setRejectedExecutionHandler(
1952	>	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1953	>	p.setRejectedExecutionHandler(handler);
1954	>	assertSame(handler, p.getRejectedExecutionHandler());
1955	>	}
1956	>
1957	>	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1958	>	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1959	>	final long savedTaskCount = p.getTaskCount();
1960	>	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1961	>	final int savedQueueSize = p.getQueue().size();
1962	>	final boolean stock = (p.getClass().getClassLoader() == null);
1963	>
1964	>	Runnable r = () -> {};
1965	>	Callable<Boolean> c = () -> Boolean.TRUE;
1966	>
1967	>	class Recorder implements RejectedExecutionHandler {
1968	>	public volatile Runnable r = null;
1969	>	public volatile ThreadPoolExecutor p = null;
1970	>	public void reset() { r = null; p = null; }
1971	>	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1972	>	assertNull(this.r);
1973	>	assertNull(this.p);
1974	>	this.r = r;
1975	>	this.p = p;
1976	>	}
1977	>	}
1978	>
1979	>	// check custom handler is invoked exactly once per task
1980	>	Recorder recorder = new Recorder();
1981	>	setRejectedExecutionHandler(p, recorder);
1982	>	for (int i = 2; i--> 0; ) {
1983	>	recorder.reset();
1984	>	p.execute(r);
1985	>	if (stock && p.getClass() == ThreadPoolExecutor.class)
1986	>	assertSame(r, recorder.r);
1987	>	assertSame(p, recorder.p);
1988	>
1989	>	recorder.reset();
1990	>	assertFalse(p.submit(r).isDone());
1991	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1992	>	assertSame(p, recorder.p);
1993	>
1994	>	recorder.reset();
1995	>	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1996	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1997	>	assertSame(p, recorder.p);
1998	>
1999	>	recorder.reset();
2000	>	assertFalse(p.submit(c).isDone());
2001	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2002	>	assertSame(p, recorder.p);
2003	>
2004	>	if (p instanceof ScheduledExecutorService) {
2005	>	ScheduledExecutorService s = (ScheduledExecutorService) p;
2006	>	ScheduledFuture<?> future;
2007	>
2008	>	recorder.reset();
2009	>	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2010	>	assertFalse(future.isDone());
2011	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2012	>	assertSame(p, recorder.p);
2013	>
2014	>	recorder.reset();
2015	>	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2016	>	assertFalse(future.isDone());
2017	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2018	>	assertSame(p, recorder.p);
2019	>
2020	>	recorder.reset();
2021	>	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2022	>	assertFalse(future.isDone());
2023	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2024	>	assertSame(p, recorder.p);
2025	>
2026	>	recorder.reset();
2027	>	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2028	>	assertFalse(future.isDone());
2029	>	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2030	>	assertSame(p, recorder.p);
2031	>	}
2032	>	}
2033	>
2034	>	// Checking our custom handler above should be sufficient, but
2035	>	// we add some integration tests of standard handlers.
2036	>	final AtomicReference<Thread> thread = new AtomicReference<>();
2037	>	final Runnable setThread = () -> thread.set(Thread.currentThread());
2038	>
2039	>	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2040	>	try {
2041	>	p.execute(setThread);
2042	>	shouldThrow();
2043	>	} catch (RejectedExecutionException success) {}
2044	>	assertNull(thread.get());
2045	>
2046	>	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2047	>	p.execute(setThread);
2048	>	assertNull(thread.get());
2049	>
2050	>	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2051	>	p.execute(setThread);
2052	>	if (p.isShutdown())
2053	>	assertNull(thread.get());
2054	>	else
2055	>	assertSame(Thread.currentThread(), thread.get());
2056	>
2057	>	setRejectedExecutionHandler(p, savedHandler);
2058	>
2059	>	// check that pool was not perturbed by handlers
2060	>	assertEquals(savedTaskCount, p.getTaskCount());
2061	>	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2062	>	assertEquals(savedQueueSize, p.getQueue().size());
2063	>	}
2064	>
2065	>	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2066	>	assertEquals(x, y);
2067	>	assertEquals(y, x);
2068	>	assertEquals(x.isEmpty(), y.isEmpty());
2069	>	assertEquals(x.size(), y.size());
2070	>	if (x instanceof List) {
2071	>	assertEquals(x.toString(), y.toString());
2072	>	}
2073	>	if (x instanceof List || x instanceof Set) {
2074	>	assertEquals(x.hashCode(), y.hashCode());
2075	>	}
2076	>	if (x instanceof List || 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	>	/**
2084	>	* A weaker form of assertCollectionsEquals which does not insist
2085	>	* that the two collections satisfy Object#equals(Object), since
2086	>	* they may use identity semantics as Deques do.
2087	>	*/
2088	>	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2089	>	if (x instanceof List || x instanceof Set)
2090	>	assertCollectionsEquals(x, y);
2091	>	else {
2092	>	assertEquals(x.isEmpty(), y.isEmpty());
2093	>	assertEquals(x.size(), y.size());
2094	>	assertEquals(new HashSet(x), new HashSet(y));
2095	>	if (x instanceof Deque) {
2096	>	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2097	>	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2098	>	y.toArray(new Object[0])));
2099	>	}
2100	>	}
2101		}
2102		}

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