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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.204 by jsr166, Sat Oct 15 18:51:12 2016 UTC vs.
Revision 1.230 by jsr166, Mon May 15 16:21:07 2017 UTC

#	Line 1 | Line 1
1		/*
2	<	* Written by Doug Lea with assistance from members of JCP JSR-166
3	<	* Expert Group and released to the public domain, as explained at
2	>	* Written by Doug Lea and Martin Buchholz with assistance from
3	>	* members of JCP JSR-166 Expert Group and released to the public
4	>	* domain, as explained at
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		* Other contributors include Andrew Wright, Jeffrey Hayes,
7		* Pat Fisher, Mike Judd.
#	Line 8 | Line 9
9
10		/*
11		* @test
12	<	* @summary JSR-166 tck tests
13	<	* @modules java.management
12	>	* @summary JSR-166 tck tests, in a number of variations.
13	>	*          The first is the conformance testing variant,
14	>	*          while others also test implementation details.
15		* @build *
16	<	* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
17	<	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase
18	<	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase
16	>	* @modules java.management
17	>	* @run junit/othervm/timeout=1000 JSR166TestCase
18	>	* @run junit/othervm/timeout=1000
19	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
20	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
21	>	*      -Djsr166.testImplementationDetails=true
22	>	*      JSR166TestCase
23	>	* @run junit/othervm/timeout=1000
24	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
25	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
26	>	*      -Djsr166.testImplementationDetails=true
27	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=0
28	>	*      JSR166TestCase
29	>	* @run junit/othervm/timeout=1000
30	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
31	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
32	>	*      -Djsr166.testImplementationDetails=true
33	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=1
34	>	*      -Djava.util.secureRandomSeed=true
35	>	*      JSR166TestCase
36	>	* @run junit/othervm/timeout=1000/policy=tck.policy
37	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
38	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
39	>	*      -Djsr166.testImplementationDetails=true
40	>	*      JSR166TestCase
41		*/
42
43		import static java.util.concurrent.TimeUnit.MILLISECONDS;
#	Line 30 | Line 54 | import java.lang.management.ThreadMXBean
54		import java.lang.reflect.Constructor;
55		import java.lang.reflect.Method;
56		import java.lang.reflect.Modifier;
33	–	import java.nio.file.Files;
34	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 41 | Line 63 | import java.security.ProtectionDomain;
63		import java.security.SecurityPermission;
64		import java.util.ArrayList;
65		import java.util.Arrays;
66	+	import java.util.Collection;
67		import java.util.Collections;
68		import java.util.Date;
69		import java.util.Enumeration;
#	Line 68 | Line 91 | import java.util.concurrent.ThreadPoolEx
91		import java.util.concurrent.TimeoutException;
92		import java.util.concurrent.atomic.AtomicBoolean;
93		import java.util.concurrent.atomic.AtomicReference;
71	–	import java.util.regex.Matcher;
94		import java.util.regex.Pattern;
95
96		import junit.framework.AssertionFailedError;
#	Line 278 | Line 300 | public class JSR166TestCase extends Test
300
301		//     public static String cpuModel() {
302		//         try {
303	<	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
303	>	//             java.util.regex.Matcher matcher
304	>	//               = Pattern.compile("model name\\s*: (.*)")
305		//                 .matcher(new String(
306	<	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
306	>	//                     java.nio.file.Files.readAllBytes(
307	>	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
308		//             matcher.find();
309		//             return matcher.group(1);
310		//         } catch (Exception ex) { return null; }
#	Line 447 | Line 471 | public class JSR166TestCase extends Test
471		AbstractQueuedLongSynchronizerTest.suite(),
472		ArrayBlockingQueueTest.suite(),
473		ArrayDequeTest.suite(),
474	+	ArrayListTest.suite(),
475		AtomicBooleanTest.suite(),
476		AtomicIntegerArrayTest.suite(),
477		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 498 | Line 523 | public class JSR166TestCase extends Test
523		TreeMapTest.suite(),
524		TreeSetTest.suite(),
525		TreeSubMapTest.suite(),
526	<	TreeSubSetTest.suite());
526	>	TreeSubSetTest.suite(),
527	>	VectorTest.suite());
528
529		// Java8+ test classes
530		if (atLeastJava8()) {
531		String[] java8TestClassNames = {
532	+	"ArrayDeque8Test",
533		"Atomic8Test",
534		"CompletableFutureTest",
535		"ConcurrentHashMap8Test",
#	Line 511 | Line 538 | public class JSR166TestCase extends Test
538		"DoubleAdderTest",
539		"ForkJoinPool8Test",
540		"ForkJoinTask8Test",
541	+	"LinkedBlockingDeque8Test",
542	+	"LinkedBlockingQueue8Test",
543		"LongAccumulatorTest",
544		"LongAdderTest",
545		"SplittableRandomTest",
#	Line 533 | Line 562 | public class JSR166TestCase extends Test
562		"AtomicReference9Test",
563		"AtomicReferenceArray9Test",
564		"ExecutorCompletionService9Test",
565	+	"ForkJoinPool9Test",
566		};
567		addNamedTestClasses(suite, java9TestClassNames);
568		}
#	Line 543 | Line 573 | public class JSR166TestCase extends Test
573		/** Returns list of junit-style test method names in given class. */
574		public static ArrayList<String> testMethodNames(Class<?> testClass) {
575		Method[] methods = testClass.getDeclaredMethods();
576	<	ArrayList<String> names = new ArrayList<String>(methods.length);
576	>	ArrayList<String> names = new ArrayList<>(methods.length);
577		for (Method method : methods) {
578		if (method.getName().startsWith("test")
579		&& Modifier.isPublic(method.getModifiers())
#	Line 628 | Line 658 | public class JSR166TestCase extends Test
658		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
659		}
660
661	+	private static final long TIMEOUT_DELAY_MS
662	+	= (long) (12.0 * Math.cbrt(delayFactor));
663	+
664		/**
665	<	* Returns a timeout in milliseconds to be used in tests that
666	<	* verify that operations block or time out.
665	>	* Returns a timeout in milliseconds to be used in tests that verify
666	>	* that operations block or time out.  We want this to be longer
667	>	* than the OS scheduling quantum, but not too long, so don't scale
668	>	* linearly with delayFactor; we use "crazy" cube root instead.
669		*/
670	<	long timeoutMillis() {
671	<	return SHORT_DELAY_MS / 4;
670	>	static long timeoutMillis() {
671	>	return TIMEOUT_DELAY_MS;
672		}
673
674		/**
#	Line 649 | Line 684 | public class JSR166TestCase extends Test
684		* The first exception encountered if any threadAssertXXX method fails.
685		*/
686		private final AtomicReference<Throwable> threadFailure
687	<	= new AtomicReference<Throwable>(null);
687	>	= new AtomicReference<>(null);
688
689		/**
690		* Records an exception so that it can be rethrown later in the test
#	Line 1028 | Line 1063 | public class JSR166TestCase extends Test
1063		}
1064
1065		/**
1066	+	* Checks that thread eventually enters the expected blocked thread state.
1067	+	*/
1068	+	void assertThreadBlocks(Thread thread, Thread.State expected) {
1069	+	// always sleep at least 1 ms, with high probability avoiding
1070	+	// transitory states
1071	+	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1072	+	try { delay(1); }
1073	+	catch (InterruptedException fail) {
1074	+	fail("Unexpected InterruptedException");
1075	+	}
1076	+	Thread.State s = thread.getState();
1077	+	if (s == expected)
1078	+	return;
1079	+	else if (s == Thread.State.TERMINATED)
1080	+	fail("Unexpected thread termination");
1081	+	}
1082	+	fail("timed out waiting for thread to enter thread state " + expected);
1083	+	}
1084	+
1085	+	/**
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());
#	Line 1037 | Line 1093 | public class JSR166TestCase extends Test
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 {
#	Line 1049 | Line 1106 | public class JSR166TestCase extends Test
1106		}
1107
1108		/**
1052	–	* Checks that the threads do not terminate within the default
1053	–	* millisecond delay of {@code timeoutMillis()}.
1054	–	*/
1055	–	void assertThreadsStayAlive(Thread... threads) {
1056	–	assertThreadsStayAlive(timeoutMillis(), threads);
1057	–	}
1058	–
1059	–	/**
1060	–	* Checks that the threads do not terminate within the given millisecond delay.
1061	–	*/
1062	–	void assertThreadsStayAlive(long millis, Thread... threads) {
1063	–	try {
1064	–	// No need to optimize the failing case via Thread.join.
1065	–	delay(millis);
1066	–	for (Thread thread : threads)
1067	–	assertTrue(thread.isAlive());
1068	–	} catch (InterruptedException fail) {
1069	–	threadFail("Unexpected InterruptedException");
1070	–	}
1071	–	}
1072	–
1073	–	/**
1109		* Checks that future.get times out, with the default timeout of
1110		* {@code timeoutMillis()}.
1111		*/
#	Line 1108 | Line 1143 | public class JSR166TestCase extends Test
1143		}
1144
1145		/**
1146	+	* The maximum number of consecutive spurious wakeups we should
1147	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1148	+	*/
1149	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1150	+
1151	+	/**
1152		* The number of elements to place in collections, arrays, etc.
1153		*/
1154		public static final int SIZE = 20;
#	Line 1211 | Line 1252 | public class JSR166TestCase extends Test
1252		}
1253		public void refresh() {}
1254		public String toString() {
1255	<	List<Permission> ps = new ArrayList<Permission>();
1255	>	List<Permission> ps = new ArrayList<>();
1256		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1257		ps.add(e.nextElement());
1258		return "AdjustablePolicy with permissions " + ps;
#	Line 1270 | Line 1311 | public class JSR166TestCase extends Test
1311		startTime = System.nanoTime();
1312		else if (millisElapsedSince(startTime) > timeoutMillis) {
1313		threadAssertTrue(thread.isAlive());
1314	<	return;
1314	>	fail("timed out waiting for thread to enter wait state");
1315	>	}
1316	>	Thread.yield();
1317	>	}
1318	>	}
1319	>
1320	>	/**
1321	>	* Spin-waits up to the specified number of milliseconds for the given
1322	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1323	>	* and additionally satisfy the given condition.
1324	>	*/
1325	>	void waitForThreadToEnterWaitState(
1326	>	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		}
1348		}
1349
1350		/**
1351	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1352	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1351	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1352	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1353		*/
1354		void waitForThreadToEnterWaitState(Thread thread) {
1355		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1356		}
1357
1358		/**
1359	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1360	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1361	+	* and additionally satisfy the given condition.
1362	+	*/
1363	+	void waitForThreadToEnterWaitState(
1364	+	Thread thread, Callable<Boolean> waitingForGodot) {
1365	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1366	+	}
1367	+
1368	+	/**
1369		* Returns the number of milliseconds since time given by
1370		* startNanoTime, which must have been previously returned from a
1371		* call to {@link System#nanoTime()}.
#	Line 1536 | Line 1617 | public class JSR166TestCase extends Test
1617		}
1618		}
1619
1620	+	public void await(CyclicBarrier barrier) {
1621	+	try {
1622	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1623	+	} catch (Throwable fail) {
1624	+	threadUnexpectedException(fail);
1625	+	}
1626	+	}
1627	+
1628		//     /**
1629		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1630		//      */
#	Line 1824 | Line 1913 | public class JSR166TestCase extends Test
1913		}
1914		}
1915
1916	+	void assertImmutable(final Object o) {
1917	+	if (o instanceof Collection) {
1918	+	assertThrows(
1919	+	UnsupportedOperationException.class,
1920	+	new Runnable() { public void run() {
1921	+	((Collection) o).add(null);}});
1922	+	}
1923	+	}
1924	+
1925		@SuppressWarnings("unchecked")
1926		<T> T serialClone(T o) {
1927		try {
1928		ObjectInputStream ois = new ObjectInputStream
1929		(new ByteArrayInputStream(serialBytes(o)));
1930		T clone = (T) ois.readObject();
1931	+	if (o == clone) assertImmutable(o);
1932		assertSame(o.getClass(), clone.getClass());
1933		return clone;
1934		} catch (Throwable fail) {
#	Line 1838 | Line 1937 | public class JSR166TestCase extends Test
1937		}
1938		}
1939
1940	+	/**
1941	+	* A version of serialClone that leaves error handling (for
1942	+	* e.g. NotSerializableException) up to the caller.
1943	+	*/
1944	+	@SuppressWarnings("unchecked")
1945	+	<T> T serialClonePossiblyFailing(T o)
1946	+	throws ReflectiveOperationException, java.io.IOException {
1947	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1948	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1949	+	oos.writeObject(o);
1950	+	oos.flush();
1951	+	oos.close();
1952	+	ObjectInputStream ois = new ObjectInputStream
1953	+	(new ByteArrayInputStream(bos.toByteArray()));
1954	+	T clone = (T) ois.readObject();
1955	+	if (o == clone) assertImmutable(o);
1956	+	assertSame(o.getClass(), clone.getClass());
1957	+	return clone;
1958	+	}
1959	+
1960	+	/**
1961	+	* If o implements Cloneable and has a public clone method,
1962	+	* returns a clone of o, else null.
1963	+	*/
1964	+	@SuppressWarnings("unchecked")
1965	+	<T> T cloneableClone(T o) {
1966	+	if (!(o instanceof Cloneable)) return null;
1967	+	final T clone;
1968	+	try {
1969	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1970	+	} catch (NoSuchMethodException ok) {
1971	+	return null;
1972	+	} catch (ReflectiveOperationException unexpected) {
1973	+	throw new Error(unexpected);
1974	+	}
1975	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1976	+	assertSame(o.getClass(), clone.getClass());
1977	+	return clone;
1978	+	}
1979	+
1980		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1981		Runnable... throwingActions) {
1982		for (Runnable throwingAction : throwingActions) {

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