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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.215 by jsr166, Sat Dec 10 18:11:05 2016 UTC vs.
Revision 1.231 by jsr166, Mon May 15 17:02:46 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 (conformance testing mode)
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		* @modules java.management
17		* @run junit/othervm/timeout=1000 JSR166TestCase
15	–	*/
16	–
17	–	/*
18	–	* @test
19	–	* @summary JSR-166 tck tests (whitebox tests allowed)
20	–	* @build *
21	–	* @modules java.base/java.util.concurrent:open
22	–	*          java.management
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 48 | 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;
51	–	import java.nio.file.Files;
52	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 87 | 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;
90	–	import java.util.regex.Matcher;
94		import java.util.regex.Pattern;
95
96		import junit.framework.AssertionFailedError;
#	Line 297 | 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 557 | Line 562 | public class JSR166TestCase extends Test
562		"AtomicReference9Test",
563		"AtomicReferenceArray9Test",
564		"ExecutorCompletionService9Test",
565	+	"ForkJoinPool9Test",
566		};
567		addNamedTestClasses(suite, java9TestClassNames);
568		}
#	Line 567 | 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 652 | 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 673 | 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 1052 | 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 1061 | 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 1075 | Line 1108 | public class JSR166TestCase extends Test
1108		/**
1109		* Checks that the threads do not terminate within the default
1110		* millisecond delay of {@code timeoutMillis()}.
1111	+	* TODO: REMOVEME
1112		*/
1113		void assertThreadsStayAlive(Thread... threads) {
1114		assertThreadsStayAlive(timeoutMillis(), threads);
#	Line 1082 | Line 1116 | public class JSR166TestCase extends Test
1116
1117		/**
1118		* Checks that the threads do not terminate within the given millisecond delay.
1119	+	* TODO: REMOVEME
1120		*/
1121		void assertThreadsStayAlive(long millis, Thread... threads) {
1122		try {
#	Line 1132 | Line 1167 | public class JSR166TestCase extends Test
1167		}
1168
1169		/**
1170	+	* The maximum number of consecutive spurious wakeups we should
1171	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1172	+	*/
1173	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1174	+
1175	+	/**
1176		* The number of elements to place in collections, arrays, etc.
1177		*/
1178		public static final int SIZE = 20;
#	Line 1235 | Line 1276 | public class JSR166TestCase extends Test
1276		}
1277		public void refresh() {}
1278		public String toString() {
1279	<	List<Permission> ps = new ArrayList<Permission>();
1279	>	List<Permission> ps = new ArrayList<>();
1280		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1281		ps.add(e.nextElement());
1282		return "AdjustablePolicy with permissions " + ps;
#	Line 1294 | Line 1335 | public class JSR166TestCase extends Test
1335		startTime = System.nanoTime();
1336		else if (millisElapsedSince(startTime) > timeoutMillis) {
1337		threadAssertTrue(thread.isAlive());
1338	<	return;
1338	>	fail("timed out waiting for thread to enter wait state");
1339	>	}
1340	>	Thread.yield();
1341	>	}
1342	>	}
1343	>
1344	>	/**
1345	>	* Spin-waits up to the specified number of milliseconds for the given
1346	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1347	>	* and additionally satisfy the given condition.
1348	>	*/
1349	>	void waitForThreadToEnterWaitState(
1350	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1351	>	long startTime = 0L;
1352	>	for (;;) {
1353	>	Thread.State s = thread.getState();
1354	>	if (s == Thread.State.BLOCKED ||
1355	>	s == Thread.State.WAITING ||
1356	>	s == Thread.State.TIMED_WAITING) {
1357	>	try {
1358	>	if (waitingForGodot.call())
1359	>	return;
1360	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1361	>	}
1362	>	else if (s == Thread.State.TERMINATED)
1363	>	fail("Unexpected thread termination");
1364	>	else if (startTime == 0L)
1365	>	startTime = System.nanoTime();
1366	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1367	>	threadAssertTrue(thread.isAlive());
1368	>	fail("timed out waiting for thread to enter wait state");
1369		}
1370		Thread.yield();
1371		}
1372		}
1373
1374		/**
1375	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1376	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1375	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1376	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1377		*/
1378		void waitForThreadToEnterWaitState(Thread thread) {
1379		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1380		}
1381
1382		/**
1383	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1384	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1385	+	* and additionally satisfy the given condition.
1386	+	*/
1387	+	void waitForThreadToEnterWaitState(
1388	+	Thread thread, Callable<Boolean> waitingForGodot) {
1389	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1390	+	}
1391	+
1392	+	/**
1393		* Returns the number of milliseconds since time given by
1394		* startNanoTime, which must have been previously returned from a
1395		* call to {@link System#nanoTime()}.
#	Line 1558 | Line 1639 | public class JSR166TestCase extends Test
1639		} catch (Throwable fail) {
1640		threadUnexpectedException(fail);
1641		}
1642	+	}
1643	+
1644	+	public void await(CyclicBarrier barrier) {
1645	+	try {
1646	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1647	+	} catch (Throwable fail) {
1648	+	threadUnexpectedException(fail);
1649	+	}
1650		}
1651
1652		//     /**

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