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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.217 by jsr166, Tue Jan 24 22:57:02 2017 UTC vs.
Revision 1.228 by jsr166, Sun May 14 03:14:25 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		*/
#	Line 51 | 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;
54	–	import java.nio.file.Files;
55	–	import java.nio.file.Paths;
57		import java.security.CodeSource;
58		import java.security.Permission;
59		import java.security.PermissionCollection;
#	Line 90 | 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;
93	–	import java.util.regex.Matcher;
94		import java.util.regex.Pattern;
95
96		import junit.framework.AssertionFailedError;
#	Line 300 | 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 560 | Line 562 | public class JSR166TestCase extends Test
562		"AtomicReference9Test",
563		"AtomicReferenceArray9Test",
564		"ExecutorCompletionService9Test",
565	+	"ForkJoinPool9Test",
566		};
567		addNamedTestClasses(suite, java9TestClassNames);
568		}
#	Line 655 | 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 1055 | 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		*/
#	Line 1076 | Line 1104 | public class JSR166TestCase extends Test
1104		}
1105
1106		/**
1079	–	* Checks that the threads do not terminate within the default
1080	–	* millisecond delay of {@code timeoutMillis()}.
1081	–	*/
1082	–	void assertThreadsStayAlive(Thread... threads) {
1083	–	assertThreadsStayAlive(timeoutMillis(), threads);
1084	–	}
1085	–
1086	–	/**
1087	–	* Checks that the threads do not terminate within the given millisecond delay.
1088	–	*/
1089	–	void assertThreadsStayAlive(long millis, Thread... threads) {
1090	–	try {
1091	–	// No need to optimize the failing case via Thread.join.
1092	–	delay(millis);
1093	–	for (Thread thread : threads)
1094	–	assertTrue(thread.isAlive());
1095	–	} catch (InterruptedException fail) {
1096	–	threadFail("Unexpected InterruptedException");
1097	–	}
1098	–	}
1099	–
1100	–	/**
1107		* Checks that future.get times out, with the default timeout of
1108		* {@code timeoutMillis()}.
1109		*/
#	Line 1135 | Line 1141 | public class JSR166TestCase extends Test
1141		}
1142
1143		/**
1144	+	* The maximum number of consecutive spurious wakeups we should
1145	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1146	+	*/
1147	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1148	+
1149	+	/**
1150		* The number of elements to place in collections, arrays, etc.
1151		*/
1152		public static final int SIZE = 20;
#	Line 1297 | Line 1309 | public class JSR166TestCase extends Test
1309		startTime = System.nanoTime();
1310		else if (millisElapsedSince(startTime) > timeoutMillis) {
1311		threadAssertTrue(thread.isAlive());
1312	<	return;
1312	>	fail("timed out waiting for thread to enter wait state");
1313	>	}
1314	>	Thread.yield();
1315	>	}
1316	>	}
1317	>
1318	>	/**
1319	>	* Spin-waits up to the specified number of milliseconds for the given
1320	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1321	>	* and additionally satisfy the given condition.
1322	>	*/
1323	>	void waitForThreadToEnterWaitState(
1324	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1325	>	long startTime = 0L;
1326	>	for (;;) {
1327	>	Thread.State s = thread.getState();
1328	>	if (s == Thread.State.BLOCKED ||
1329	>	s == Thread.State.WAITING ||
1330	>	s == Thread.State.TIMED_WAITING) {
1331	>	try {
1332	>	if (waitingForGodot.call())
1333	>	return;
1334	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1335	>	}
1336	>	else if (s == Thread.State.TERMINATED)
1337	>	fail("Unexpected thread termination");
1338	>	else if (startTime == 0L)
1339	>	startTime = System.nanoTime();
1340	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1341	>	threadAssertTrue(thread.isAlive());
1342	>	fail("timed out waiting for thread to enter wait state");
1343		}
1344		Thread.yield();
1345		}
1346		}
1347
1348		/**
1349	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1350	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1349	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1350	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1351		*/
1352		void waitForThreadToEnterWaitState(Thread thread) {
1353		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1354		}
1355
1356		/**
1357	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1358	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1359	+	* and additionally satisfy the given condition.
1360	+	*/
1361	+	void waitForThreadToEnterWaitState(
1362	+	Thread thread, Callable<Boolean> waitingForGodot) {
1363	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1364	+	}
1365	+
1366	+	/**
1367		* Returns the number of milliseconds since time given by
1368		* startNanoTime, which must have been previously returned from a
1369		* call to {@link System#nanoTime()}.
#	Line 1561 | Line 1613 | public class JSR166TestCase extends Test
1613		} catch (Throwable fail) {
1614		threadUnexpectedException(fail);
1615		}
1616	+	}
1617	+
1618	+	public void await(CyclicBarrier barrier) {
1619	+	try {
1620	+	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1621	+	} catch (Throwable fail) {
1622	+	threadUnexpectedException(fail);
1623	+	}
1624		}
1625
1626		//     /**

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