ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.151 by jsr166, Sat Oct 3 19:19:01 2015 UTC vs.
Revision 1.185 by jsr166, Mon Feb 22 19:36:59 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	+	*/
16	+
17		import static java.util.concurrent.TimeUnit.MILLISECONDS;
18	+	import static java.util.concurrent.TimeUnit.MINUTES;
19		import static java.util.concurrent.TimeUnit.NANOSECONDS;
20
21		import java.io.ByteArrayInputStream;
#	Line 19 | Line 28 | import java.lang.management.ThreadMXBean
28		import java.lang.reflect.Constructor;
29		import java.lang.reflect.Method;
30		import java.lang.reflect.Modifier;
31	+	import java.nio.file.Files;
32	+	import java.nio.file.Paths;
33		import java.security.CodeSource;
34		import java.security.Permission;
35		import java.security.PermissionCollection;
#	Line 50 | Line 61 | import java.util.concurrent.Semaphore;
61		import java.util.concurrent.ThreadFactory;
62		import java.util.concurrent.ThreadPoolExecutor;
63		import java.util.concurrent.TimeoutException;
64	+	import java.util.concurrent.atomic.AtomicBoolean;
65		import java.util.concurrent.atomic.AtomicReference;
66	+	import java.util.regex.Matcher;
67		import java.util.regex.Pattern;
68
69		import junit.framework.AssertionFailedError;
#	Line 108 | Line 121 | import junit.framework.TestSuite;
121		* methods as there are exceptions the method can throw. Sometimes
122		* there are multiple tests per JSR166 method when the different
123		* "normal" behaviors differ significantly. And sometimes testcases
124	<	* cover multiple methods when they cannot be tested in
112	<	* isolation.
124	>	* cover multiple methods when they cannot be tested in isolation.
125		*
126		* <li>The documentation style for testcases is to provide as javadoc
127		* a simple sentence or two describing the property that the testcase
#	Line 172 | Line 184 | public class JSR166TestCase extends Test
184		private static final int suiteRuns =
185		Integer.getInteger("jsr166.suiteRuns", 1);
186
187	+	private static float systemPropertyValue(String name, float defaultValue) {
188	+	String floatString = System.getProperty(name);
189	+	if (floatString == null)
190	+	return defaultValue;
191	+	try {
192	+	return Float.parseFloat(floatString);
193	+	} catch (NumberFormatException ex) {
194	+	throw new IllegalArgumentException(
195	+	String.format("Bad float value in system property %s=%s",
196	+	name, floatString));
197	+	}
198	+	}
199	+
200	+	/**
201	+	* The scaling factor to apply to standard delays used in tests.
202	+	*/
203	+	private static final float delayFactor =
204	+	systemPropertyValue("jsr166.delay.factor", 1.0f);
205	+
206	+	/**
207	+	* The timeout factor as used in the jtreg test harness.
208	+	* See: http://openjdk.java.net/jtreg/tag-spec.html
209	+	*/
210	+	private static final float jtregTestTimeoutFactor
211	+	= systemPropertyValue("test.timeout.factor", 1.0f);
212	+
213		public JSR166TestCase() { super(); }
214		public JSR166TestCase(String name) { super(name); }
215
#	Line 187 | Line 225 | public class JSR166TestCase extends Test
225		return (regex == null) ? null : Pattern.compile(regex);
226		}
227
228	+	// Instrumentation to debug very rare, but very annoying hung test runs.
229	+	static volatile TestCase currentTestCase;
230	+	// static volatile int currentRun = 0;
231	+	static {
232	+	Runnable checkForWedgedTest = new Runnable() { public void run() {
233	+	// Avoid spurious reports with enormous runsPerTest.
234	+	// A single test case run should never take more than 1 second.
235	+	// But let's cap it at the high end too ...
236	+	final int timeoutMinutes =
237	+	Math.min(15, Math.max(runsPerTest / 60, 1));
238	+	for (TestCase lastTestCase = currentTestCase;;) {
239	+	try { MINUTES.sleep(timeoutMinutes); }
240	+	catch (InterruptedException unexpected) { break; }
241	+	if (lastTestCase == currentTestCase) {
242	+	System.err.printf(
243	+	"Looks like we're stuck running test: %s%n",
244	+	lastTestCase);
245	+	//                     System.err.printf(
246	+	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
247	+	//                         lastTestCase, currentRun, runsPerTest);
248	+	//                     System.err.println("availableProcessors=" +
249	+	//                         Runtime.getRuntime().availableProcessors());
250	+	//                     System.err.printf("cpu model = %s%n", cpuModel());
251	+	dumpTestThreads();
252	+	// one stack dump is probably enough; more would be spam
253	+	break;
254	+	}
255	+	lastTestCase = currentTestCase;
256	+	}}};
257	+	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
258	+	thread.setDaemon(true);
259	+	thread.start();
260	+	}
261	+
262	+	//     public static String cpuModel() {
263	+	//         try {
264	+	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
265	+	//                 .matcher(new String(
266	+	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
267	+	//             matcher.find();
268	+	//             return matcher.group(1);
269	+	//         } catch (Exception ex) { return null; }
270	+	//     }
271	+
272		public void runBare() throws Throwable {
273	+	currentTestCase = this;
274		if (methodFilter == null
275		|| methodFilter.matcher(toString()).find())
276		super.runBare();
#	Line 195 | Line 278 | public class JSR166TestCase extends Test
278
279		protected void runTest() throws Throwable {
280		for (int i = 0; i < runsPerTest; i++) {
281	+	// currentRun = i;
282		if (profileTests)
283		runTestProfiled();
284		else
#	Line 223 | Line 307 | public class JSR166TestCase extends Test
307		main(suite(), args);
308		}
309
310	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
311	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
312	+	long runTime;
313	+	public void startTest(Test test) {}
314	+	protected void printHeader(long runTime) {
315	+	this.runTime = runTime; // defer printing for later
316	+	}
317	+	protected void printFooter(TestResult result) {
318	+	if (result.wasSuccessful()) {
319	+	getWriter().println("OK (" + result.runCount() + " tests)"
320	+	+ "  Time: " + elapsedTimeAsString(runTime));
321	+	} else {
322	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
323	+	super.printFooter(result);
324	+	}
325	+	}
326	+	}
327	+
328	+	/**
329	+	* Returns a TestRunner that doesn't bother with unnecessary
330	+	* fluff, like printing a "." for each test case.
331	+	*/
332	+	static junit.textui.TestRunner newPithyTestRunner() {
333	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
334	+	runner.setPrinter(new PithyResultPrinter(System.out));
335	+	return runner;
336	+	}
337	+
338		/**
339		* Runs all unit tests in the given test suite.
340		* Actual behavior influenced by jsr166.* system properties.
#	Line 234 | Line 346 | public class JSR166TestCase extends Test
346		System.setSecurityManager(new SecurityManager());
347		}
348		for (int i = 0; i < suiteRuns; i++) {
349	<	TestResult result = junit.textui.TestRunner.run(suite);
349	>	TestResult result = newPithyTestRunner().doRun(suite);
350		if (!result.wasSuccessful())
351		System.exit(1);
352		System.gc();
#	Line 461 | Line 573 | public class JSR166TestCase extends Test
573		} else {
574		return new TestSuite();
575		}
464	–
576		}
577
578		// Delays for timing-dependent tests, in milliseconds.
#	Line 472 | Line 583 | public class JSR166TestCase extends Test
583		public static long LONG_DELAY_MS;
584
585		/**
586	<	* Returns the shortest timed delay. This could
587	<	* be reimplemented to use for example a Property.
586	>	* Returns the shortest timed delay. This can be scaled up for
587	>	* slow machines using the jsr166.delay.factor system property,
588	>	* or via jtreg's -timeoutFactor:<val> flag.
589	>	* http://openjdk.java.net/jtreg/command-help.html
590		*/
591		protected long getShortDelay() {
592	<	return 50;
592	>	return (long) (50 * delayFactor * jtregTestTimeoutFactor);
593		}
594
595		/**
#	Line 519 | Line 632 | public class JSR166TestCase extends Test
632		* the same test have no effect.
633		*/
634		public void threadRecordFailure(Throwable t) {
635	+	System.err.println(t);
636	+	dumpTestThreads();
637		threadFailure.compareAndSet(null, t);
638		}
639
#	Line 529 | Line 644 | public class JSR166TestCase extends Test
644		void tearDownFail(String format, Object... args) {
645		String msg = toString() + ": " + String.format(format, args);
646		System.err.println(msg);
647	<	printAllStackTraces();
647	>	dumpTestThreads();
648		throw new AssertionFailedError(msg);
649		}
650
#	Line 566 | Line 681 | public class JSR166TestCase extends Test
681		}
682
683		/**
684	<	* Finds missing try { ... } finally { joinPool(e); }
684	>	* Finds missing PoolCleaners
685		*/
686		void checkForkJoinPoolThreadLeaks() throws InterruptedException {
687		Thread[] survivors = new Thread[7];
#	Line 598 | Line 713 | public class JSR166TestCase extends Test
713		fail(reason);
714		} catch (AssertionFailedError t) {
715		threadRecordFailure(t);
716	<	fail(reason);
716	>	throw t;
717		}
718		}
719
#	Line 725 | Line 840 | public class JSR166TestCase extends Test
840		/**
841		* Delays, via Thread.sleep, for the given millisecond delay, but
842		* if the sleep is shorter than specified, may re-sleep or yield
843	<	* until time elapses.
843	>	* until time elapses.  Ensures that the given time, as measured
844	>	* by System.nanoTime(), has elapsed.
845		*/
846		static void delay(long millis) throws InterruptedException {
847	<	long startTime = System.nanoTime();
848	<	long ns = millis * 1000 * 1000;
849	<	for (;;) {
847	>	long nanos = millis * (1000 * 1000);
848	>	final long wakeupTime = System.nanoTime() + nanos;
849	>	do {
850		if (millis > 0L)
851		Thread.sleep(millis);
852		else // too short to sleep
853		Thread.yield();
854	<	long d = ns - (System.nanoTime() - startTime);
855	<	if (d > 0L)
856	<	millis = d / (1000 * 1000);
741	<	else
742	<	break;
743	<	}
854	>	nanos = wakeupTime - System.nanoTime();
855	>	millis = nanos / (1000 * 1000);
856	>	} while (nanos >= 0L);
857		}
858
859		/**
860		* Allows use of try-with-resources with per-test thread pools.
861		*/
862	<	static class PoolCloser<T extends ExecutorService>
863	<	implements AutoCloseable {
864	<	public final T pool;
752	<	public PoolCloser(T pool) { this.pool = pool; }
862	>	class PoolCleaner implements AutoCloseable {
863	>	private final ExecutorService pool;
864	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
865		public void close() { joinPool(pool); }
866		}
867
868		/**
869	+	* An extension of PoolCleaner that has an action to release the pool.
870	+	*/
871	+	class PoolCleanerWithReleaser extends PoolCleaner {
872	+	private final Runnable releaser;
873	+	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
874	+	super(pool);
875	+	this.releaser = releaser;
876	+	}
877	+	public void close() {
878	+	try {
879	+	releaser.run();
880	+	} finally {
881	+	super.close();
882	+	}
883	+	}
884	+	}
885	+
886	+	PoolCleaner cleaner(ExecutorService pool) {
887	+	return new PoolCleaner(pool);
888	+	}
889	+
890	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
891	+	return new PoolCleanerWithReleaser(pool, releaser);
892	+	}
893	+
894	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
895	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
896	+	}
897	+
898	+	Runnable releaser(final CountDownLatch latch) {
899	+	return new Runnable() { public void run() {
900	+	do { latch.countDown(); }
901	+	while (latch.getCount() > 0);
902	+	}};
903	+	}
904	+
905	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
906	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
907	+	}
908	+
909	+	Runnable releaser(final AtomicBoolean flag) {
910	+	return new Runnable() { public void run() { flag.set(true); }};
911	+	}
912	+
913	+	/**
914		* Waits out termination of a thread pool or fails doing so.
915		*/
916	<	static void joinPool(ExecutorService pool) {
916	>	void joinPool(ExecutorService pool) {
917		try {
918		pool.shutdown();
919	<	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS))
920	<	fail("ExecutorService " + pool +
921	<	" did not terminate in a timely manner");
919	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
920	>	try {
921	>	threadFail("ExecutorService " + pool +
922	>	" did not terminate in a timely manner");
923	>	} finally {
924	>	// last resort, for the benefit of subsequent tests
925	>	pool.shutdownNow();
926	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
927	>	}
928	>	}
929		} catch (SecurityException ok) {
930		// Allowed in case test doesn't have privs
931		} catch (InterruptedException fail) {
932	<	fail("Unexpected InterruptedException");
932	>	threadFail("Unexpected InterruptedException");
933		}
934		}
935
#	Line 778 | Line 942 | public class JSR166TestCase extends Test
942		* necessarily individually slow because they must block.
943		*/
944		void testInParallel(Action ... actions) {
945	<	try (PoolCloser<ExecutorService> poolCloser
946	<	= new PoolCloser<>(Executors.newCachedThreadPool())) {
783	<	ExecutorService pool = poolCloser.pool;
945	>	ExecutorService pool = Executors.newCachedThreadPool();
946	>	try (PoolCleaner cleaner = cleaner(pool)) {
947		ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
948		for (final Action action : actions)
949		futures.add(pool.submit(new CheckedRunnable() {
#	Line 797 | Line 960 | public class JSR166TestCase extends Test
960		}
961
962		/**
963	<	* A debugging tool to print all stack traces, as jstack does.
963	>	* A debugging tool to print stack traces of most threads, as jstack does.
964		* Uninteresting threads are filtered out.
965		*/
966	<	static void printAllStackTraces() {
966	>	static void dumpTestThreads() {
967		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
968		System.err.println("------ stacktrace dump start ------");
969		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
#	Line 813 | Line 976 | public class JSR166TestCase extends Test
976		if ("Finalizer".equals(name)
977		&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
978		continue;
979	+	if ("checkForWedgedTest".equals(name))
980	+	continue;
981		System.err.print(info);
982		}
983		System.err.println("------ stacktrace dump end ------");
#	Line 835 | Line 1000 | public class JSR166TestCase extends Test
1000		delay(millis);
1001		assertTrue(thread.isAlive());
1002		} catch (InterruptedException fail) {
1003	<	fail("Unexpected InterruptedException");
1003	>	threadFail("Unexpected InterruptedException");
1004		}
1005		}
1006
#	Line 857 | Line 1022 | public class JSR166TestCase extends Test
1022		for (Thread thread : threads)
1023		assertTrue(thread.isAlive());
1024		} catch (InterruptedException fail) {
1025	<	fail("Unexpected InterruptedException");
1025	>	threadFail("Unexpected InterruptedException");
1026		}
1027		}
1028
#	Line 1135 | Line 1300 | public class JSR166TestCase extends Test
1300		} finally {
1301		if (t.getState() != Thread.State.TERMINATED) {
1302		t.interrupt();
1303	<	fail("Test timed out");
1303	>	threadFail("timed out waiting for thread to terminate");
1304		}
1305		}
1306		}
#	Line 1283 | Line 1448 | public class JSR166TestCase extends Test
1448		}};
1449		}
1450
1451	<	public Runnable awaiter(final CountDownLatch latch) {
1452	<	return new CheckedRunnable() {
1453	<	public void realRun() throws InterruptedException {
1454	<	await(latch);
1455	<	}};
1451	>	class LatchAwaiter extends CheckedRunnable {
1452	>	static final int NEW = 0;
1453	>	static final int RUNNING = 1;
1454	>	static final int DONE = 2;
1455	>	final CountDownLatch latch;
1456	>	int state = NEW;
1457	>	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1458	>	public void realRun() throws InterruptedException {
1459	>	state = 1;
1460	>	await(latch);
1461	>	state = 2;
1462	>	}
1463	>	}
1464	>
1465	>	public LatchAwaiter awaiter(CountDownLatch latch) {
1466	>	return new LatchAwaiter(latch);
1467		}
1468
1469		public void await(CountDownLatch latch) {
1470		try {
1471	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1471	>	if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1472	>	fail("timed out waiting for CountDownLatch for "
1473	>	+ (LONG_DELAY_MS/1000) + " sec");
1474		} catch (Throwable fail) {
1475		threadUnexpectedException(fail);
1476		}
#	Line 1300 | Line 1478 | public class JSR166TestCase extends Test
1478
1479		public void await(Semaphore semaphore) {
1480		try {
1481	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1481	>	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1482	>	fail("timed out waiting for Semaphore for "
1483	>	+ (LONG_DELAY_MS/1000) + " sec");
1484		} catch (Throwable fail) {
1485		threadUnexpectedException(fail);
1486		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines