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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.166 by jsr166, Mon Oct 5 21:39:39 2015 UTC vs.
Revision 1.196 by jsr166, Fri Jun 17 19:00:48 2016 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	+	/*
10	+	* @test
11	+	* @summary JSR-166 tck tests
12	+	* @modules java.management
13	+	* @build *
14	+	* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
15	+	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=0 -Djsr166.testImplementationDetails=true JSR166TestCase
16	+	*/
17	+
18		import static java.util.concurrent.TimeUnit.MILLISECONDS;
19		import static java.util.concurrent.TimeUnit.MINUTES;
20		import static java.util.concurrent.TimeUnit.NANOSECONDS;
#	Line 20 | Line 29 | import java.lang.management.ThreadMXBean
29		import java.lang.reflect.Constructor;
30		import java.lang.reflect.Method;
31		import java.lang.reflect.Modifier;
32	+	import java.nio.file.Files;
33	+	import java.nio.file.Paths;
34		import java.security.CodeSource;
35		import java.security.Permission;
36		import java.security.PermissionCollection;
#	Line 48 | Line 59 | import java.util.concurrent.RecursiveAct
59		import java.util.concurrent.RecursiveTask;
60		import java.util.concurrent.RejectedExecutionHandler;
61		import java.util.concurrent.Semaphore;
62	+	import java.util.concurrent.SynchronousQueue;
63		import java.util.concurrent.ThreadFactory;
64		import java.util.concurrent.ThreadPoolExecutor;
65		import java.util.concurrent.TimeoutException;
66	+	import java.util.concurrent.atomic.AtomicBoolean;
67		import java.util.concurrent.atomic.AtomicReference;
68	+	import java.util.regex.Matcher;
69		import java.util.regex.Pattern;
70
71		import junit.framework.AssertionFailedError;
#	Line 109 | Line 123 | import junit.framework.TestSuite;
123		* methods as there are exceptions the method can throw. Sometimes
124		* there are multiple tests per JSR166 method when the different
125		* "normal" behaviors differ significantly. And sometimes testcases
126	<	* cover multiple methods when they cannot be tested in
113	<	* isolation.
126	>	* cover multiple methods when they cannot be tested in isolation.
127		*
128		* <li>The documentation style for testcases is to provide as javadoc
129		* a simple sentence or two describing the property that the testcase
#	Line 173 | Line 186 | public class JSR166TestCase extends Test
186		private static final int suiteRuns =
187		Integer.getInteger("jsr166.suiteRuns", 1);
188
189	+	/**
190	+	* Returns the value of the system property, or NaN if not defined.
191	+	*/
192	+	private static float systemPropertyValue(String name) {
193	+	String floatString = System.getProperty(name);
194	+	if (floatString == null)
195	+	return Float.NaN;
196	+	try {
197	+	return Float.parseFloat(floatString);
198	+	} catch (NumberFormatException ex) {
199	+	throw new IllegalArgumentException(
200	+	String.format("Bad float value in system property %s=%s",
201	+	name, floatString));
202	+	}
203	+	}
204	+
205	+	/**
206	+	* The scaling factor to apply to standard delays used in tests.
207	+	* May be initialized from any of:
208	+	* - the "jsr166.delay.factor" system property
209	+	* - the "test.timeout.factor" system property (as used by jtreg)
210	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
211	+	* - hard-coded fuzz factor when using a known slowpoke VM
212	+	*/
213	+	private static final float delayFactor = delayFactor();
214	+
215	+	private static float delayFactor() {
216	+	float x;
217	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
218	+	return x;
219	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
220	+	return x;
221	+	String prop = System.getProperty("java.vm.version");
222	+	if (prop != null && prop.matches(".*debug.*"))
223	+	return 4.0f; // How much slower is fastdebug than product?!
224	+	return 1.0f;
225	+	}
226	+
227		public JSR166TestCase() { super(); }
228		public JSR166TestCase(String name) { super(name); }
229
#	Line 188 | Line 239 | public class JSR166TestCase extends Test
239		return (regex == null) ? null : Pattern.compile(regex);
240		}
241
242	+	// Instrumentation to debug very rare, but very annoying hung test runs.
243		static volatile TestCase currentTestCase;
244	+	// static volatile int currentRun = 0;
245		static {
246		Runnable checkForWedgedTest = new Runnable() { public void run() {
247	<	// avoid spurious reports with enormous runsPerTest
248	<	final int timeoutMinutes = Math.max(runsPerTest / 10, 1);
247	>	// Avoid spurious reports with enormous runsPerTest.
248	>	// A single test case run should never take more than 1 second.
249	>	// But let's cap it at the high end too ...
250	>	final int timeoutMinutes =
251	>	Math.min(15, Math.max(runsPerTest / 60, 1));
252		for (TestCase lastTestCase = currentTestCase;;) {
253		try { MINUTES.sleep(timeoutMinutes); }
254		catch (InterruptedException unexpected) { break; }
255		if (lastTestCase == currentTestCase) {
256	<	System.err.println
257	<	("Looks like we're stuck running test: "
258	<	+ lastTestCase);
256	>	System.err.printf(
257	>	"Looks like we're stuck running test: %s%n",
258	>	lastTestCase);
259	>	//                     System.err.printf(
260	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
261	>	//                         lastTestCase, currentRun, runsPerTest);
262	>	//                     System.err.println("availableProcessors=" +
263	>	//                         Runtime.getRuntime().availableProcessors());
264	>	//                     System.err.printf("cpu model = %s%n", cpuModel());
265		dumpTestThreads();
266		// one stack dump is probably enough; more would be spam
267		break;
#	Line 211 | Line 273 | public class JSR166TestCase extends Test
273		thread.start();
274		}
275
276	+	//     public static String cpuModel() {
277	+	//         try {
278	+	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
279	+	//                 .matcher(new String(
280	+	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
281	+	//             matcher.find();
282	+	//             return matcher.group(1);
283	+	//         } catch (Exception ex) { return null; }
284	+	//     }
285	+
286		public void runBare() throws Throwable {
287		currentTestCase = this;
288		if (methodFilter == null
#	Line 220 | Line 292 | public class JSR166TestCase extends Test
292
293		protected void runTest() throws Throwable {
294		for (int i = 0; i < runsPerTest; i++) {
295	+	// currentRun = i;
296		if (profileTests)
297		runTestProfiled();
298		else
#	Line 248 | Line 321 | public class JSR166TestCase extends Test
321		main(suite(), args);
322		}
323
324	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
325	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
326	+	long runTime;
327	+	public void startTest(Test test) {}
328	+	protected void printHeader(long runTime) {
329	+	this.runTime = runTime; // defer printing for later
330	+	}
331	+	protected void printFooter(TestResult result) {
332	+	if (result.wasSuccessful()) {
333	+	getWriter().println("OK (" + result.runCount() + " tests)"
334	+	+ "  Time: " + elapsedTimeAsString(runTime));
335	+	} else {
336	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
337	+	super.printFooter(result);
338	+	}
339	+	}
340	+	}
341	+
342	+	/**
343	+	* Returns a TestRunner that doesn't bother with unnecessary
344	+	* fluff, like printing a "." for each test case.
345	+	*/
346	+	static junit.textui.TestRunner newPithyTestRunner() {
347	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
348	+	runner.setPrinter(new PithyResultPrinter(System.out));
349	+	return runner;
350	+	}
351	+
352		/**
353		* Runs all unit tests in the given test suite.
354		* Actual behavior influenced by jsr166.* system properties.
#	Line 259 | Line 360 | public class JSR166TestCase extends Test
360		System.setSecurityManager(new SecurityManager());
361		}
362		for (int i = 0; i < suiteRuns; i++) {
363	<	TestResult result = junit.textui.TestRunner.run(suite);
363	>	TestResult result = newPithyTestRunner().doRun(suite);
364		if (!result.wasSuccessful())
365		System.exit(1);
366		System.gc();
#	Line 412 | Line 513 | public class JSR166TestCase extends Test
513		"StampedLockTest",
514		"SubmissionPublisherTest",
515		"ThreadLocalRandom8Test",
516	+	"TimeUnit8Test",
517		};
518		addNamedTestClasses(suite, java8TestClassNames);
519		}
#	Line 419 | Line 521 | public class JSR166TestCase extends Test
521		// Java9+ test classes
522		if (atLeastJava9()) {
523		String[] java9TestClassNames = {
524	<	// Currently empty, but expecting varhandle tests
524	>	"AtomicBoolean9Test",
525	>	"AtomicInteger9Test",
526	>	"AtomicIntegerArray9Test",
527	>	"AtomicLong9Test",
528	>	"AtomicLongArray9Test",
529	>	"AtomicReference9Test",
530	>	"AtomicReferenceArray9Test",
531	>	"ExecutorCompletionService9Test",
532		};
533		addNamedTestClasses(suite, java9TestClassNames);
534		}
#	Line 496 | Line 605 | public class JSR166TestCase extends Test
605		public static long LONG_DELAY_MS;
606
607		/**
608	<	* Returns the shortest timed delay. This could
609	<	* be reimplemented to use for example a Property.
608	>	* Returns the shortest timed delay. This can be scaled up for
609	>	* slow machines using the jsr166.delay.factor system property,
610	>	* or via jtreg's -timeoutFactor: flag.
611	>	* http://openjdk.java.net/jtreg/command-help.html
612		*/
613		protected long getShortDelay() {
614	<	return 50;
614	>	return (long) (50 * delayFactor);
615		}
616
617		/**
#	Line 813 | Line 924 | public class JSR166TestCase extends Test
924		}};
925		}
926
927	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
928	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
929	+	}
930	+
931	+	Runnable releaser(final AtomicBoolean flag) {
932	+	return new Runnable() { public void run() { flag.set(true); }};
933	+	}
934	+
935		/**
936		* Waits out termination of a thread pool or fails doing so.
937		*/
#	Line 826 | Line 945 | public class JSR166TestCase extends Test
945		} finally {
946		// last resort, for the benefit of subsequent tests
947		pool.shutdownNow();
948	<	pool.awaitTermination(SMALL_DELAY_MS, MILLISECONDS);
948	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
949		}
950		}
951		} catch (SecurityException ok) {
#	Line 867 | Line 986 | public class JSR166TestCase extends Test
986		* Uninteresting threads are filtered out.
987		*/
988		static void dumpTestThreads() {
989	+	SecurityManager sm = System.getSecurityManager();
990	+	if (sm != null) {
991	+	try {
992	+	System.setSecurityManager(null);
993	+	} catch (SecurityException giveUp) {
994	+	return;
995	+	}
996	+	}
997	+
998		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
999		System.err.println("------ stacktrace dump start ------");
1000		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
#	Line 884 | Line 1012 | public class JSR166TestCase extends Test
1012		System.err.print(info);
1013		}
1014		System.err.println("------ stacktrace dump end ------");
1015	+
1016	+	if (sm != null) System.setSecurityManager(sm);
1017		}
1018
1019		/**
#	Line 1203 | Line 1333 | public class JSR166TestCase extends Test
1333		} finally {
1334		if (t.getState() != Thread.State.TERMINATED) {
1335		t.interrupt();
1336	<	fail("Test timed out");
1336	>	threadFail("timed out waiting for thread to terminate");
1337		}
1338		}
1339		}
#	Line 1369 | Line 1499 | public class JSR166TestCase extends Test
1499		return new LatchAwaiter(latch);
1500		}
1501
1502	<	public void await(CountDownLatch latch) {
1502	>	public void await(CountDownLatch latch, long timeoutMillis) {
1503		try {
1504	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1504	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1505	>	fail("timed out waiting for CountDownLatch for "
1506	>	+ (timeoutMillis/1000) + " sec");
1507		} catch (Throwable fail) {
1508		threadUnexpectedException(fail);
1509		}
1510		}
1511
1512	+	public void await(CountDownLatch latch) {
1513	+	await(latch, LONG_DELAY_MS);
1514	+	}
1515	+
1516		public void await(Semaphore semaphore) {
1517		try {
1518	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1518	>	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1519	>	fail("timed out waiting for Semaphore for "
1520	>	+ (LONG_DELAY_MS/1000) + " sec");
1521		} catch (Throwable fail) {
1522		threadUnexpectedException(fail);
1523		}
#	Line 1715 | Line 1853 | public class JSR166TestCase extends Test
1853		} catch (NoSuchElementException success) {}
1854		assertFalse(it.hasNext());
1855		}
1856	+
1857	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1858	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1859	+	}
1860	+
1861	+	public Runnable runnableThrowing(final RuntimeException ex) {
1862	+	return new Runnable() { public void run() { throw ex; }};
1863	+	}
1864	+
1865	+	/** A reusable thread pool to be shared by tests. */
1866	+	static final ExecutorService cachedThreadPool =
1867	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1868	+	1000L, MILLISECONDS,
1869	+	new SynchronousQueue<Runnable>());
1870	+
1871		}

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