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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.172 by jsr166, Fri Oct 9 01:26:36 2015 UTC vs.
Revision 1.210 by jsr166, Mon Nov 7 01:59:17 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	+	* @run junit/othervm/timeout=1000 -Djava.util.concurrent.ForkJoinPool.common.parallelism=1 -Djava.util.secureRandomSeed=true JSR166TestCase
17	+	*/
18	+
19		import static java.util.concurrent.TimeUnit.MILLISECONDS;
20		import static java.util.concurrent.TimeUnit.MINUTES;
21		import static java.util.concurrent.TimeUnit.NANOSECONDS;
#	Line 31 | Line 41 | import java.security.ProtectionDomain;
41		import java.security.SecurityPermission;
42		import java.util.ArrayList;
43		import java.util.Arrays;
44	+	import java.util.Collection;
45	+	import java.util.Collections;
46		import java.util.Date;
47		import java.util.Enumeration;
48		import java.util.Iterator;
#	Line 50 | Line 62 | import java.util.concurrent.RecursiveAct
62		import java.util.concurrent.RecursiveTask;
63		import java.util.concurrent.RejectedExecutionHandler;
64		import java.util.concurrent.Semaphore;
65	+	import java.util.concurrent.SynchronousQueue;
66		import java.util.concurrent.ThreadFactory;
67	+	import java.util.concurrent.ThreadLocalRandom;
68		import java.util.concurrent.ThreadPoolExecutor;
69		import java.util.concurrent.TimeoutException;
70	+	import java.util.concurrent.atomic.AtomicBoolean;
71		import java.util.concurrent.atomic.AtomicReference;
72		import java.util.regex.Matcher;
73		import java.util.regex.Pattern;
#	Line 112 | Line 127 | import junit.framework.TestSuite;
127		* methods as there are exceptions the method can throw. Sometimes
128		* there are multiple tests per JSR166 method when the different
129		* "normal" behaviors differ significantly. And sometimes testcases
130	<	* cover multiple methods when they cannot be tested in
116	<	* isolation.
130	>	* cover multiple methods when they cannot be tested in isolation.
131		*
132		* <li>The documentation style for testcases is to provide as javadoc
133		* a simple sentence or two describing the property that the testcase
#	Line 176 | Line 190 | public class JSR166TestCase extends Test
190		private static final int suiteRuns =
191		Integer.getInteger("jsr166.suiteRuns", 1);
192
193	+	/**
194	+	* Returns the value of the system property, or NaN if not defined.
195	+	*/
196	+	private static float systemPropertyValue(String name) {
197	+	String floatString = System.getProperty(name);
198	+	if (floatString == null)
199	+	return Float.NaN;
200	+	try {
201	+	return Float.parseFloat(floatString);
202	+	} catch (NumberFormatException ex) {
203	+	throw new IllegalArgumentException(
204	+	String.format("Bad float value in system property %s=%s",
205	+	name, floatString));
206	+	}
207	+	}
208	+
209	+	/**
210	+	* The scaling factor to apply to standard delays used in tests.
211	+	* May be initialized from any of:
212	+	* - the "jsr166.delay.factor" system property
213	+	* - the "test.timeout.factor" system property (as used by jtreg)
214	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
215	+	* - hard-coded fuzz factor when using a known slowpoke VM
216	+	*/
217	+	private static final float delayFactor = delayFactor();
218	+
219	+	private static float delayFactor() {
220	+	float x;
221	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
222	+	return x;
223	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
224	+	return x;
225	+	String prop = System.getProperty("java.vm.version");
226	+	if (prop != null && prop.matches(".*debug.*"))
227	+	return 4.0f; // How much slower is fastdebug than product?!
228	+	return 1.0f;
229	+	}
230	+
231		public JSR166TestCase() { super(); }
232		public JSR166TestCase(String name) { super(name); }
233
#	Line 193 | Line 245 | public class JSR166TestCase extends Test
245
246		// Instrumentation to debug very rare, but very annoying hung test runs.
247		static volatile TestCase currentTestCase;
248	<	static volatile int currentRun = 0;
248	>	// static volatile int currentRun = 0;
249		static {
250		Runnable checkForWedgedTest = new Runnable() { public void run() {
251	<	// avoid spurious reports with enormous runsPerTest
252	<	final int timeoutMinutes = Math.max(runsPerTest / 10, 1);
251	>	// Avoid spurious reports with enormous runsPerTest.
252	>	// A single test case run should never take more than 1 second.
253	>	// But let's cap it at the high end too ...
254	>	final int timeoutMinutes =
255	>	Math.min(15, Math.max(runsPerTest / 60, 1));
256		for (TestCase lastTestCase = currentTestCase;;) {
257		try { MINUTES.sleep(timeoutMinutes); }
258		catch (InterruptedException unexpected) { break; }
259		if (lastTestCase == currentTestCase) {
260		System.err.printf(
261	<	"Looks like we're stuck running test: %s (%d/%d)%n",
262	<	lastTestCase, currentRun, runsPerTest);
263	<	System.err.println("availableProcessors=" +
264	<	Runtime.getRuntime().availableProcessors());
265	<	System.err.printf("cpu model = %s%n", cpuModel());
261	>	"Looks like we're stuck running test: %s%n",
262	>	lastTestCase);
263	>	//                     System.err.printf(
264	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
265	>	//                         lastTestCase, currentRun, runsPerTest);
266	>	//                     System.err.println("availableProcessors=" +
267	>	//                         Runtime.getRuntime().availableProcessors());
268	>	//                     System.err.printf("cpu model = %s%n", cpuModel());
269		dumpTestThreads();
270		// one stack dump is probably enough; more would be spam
271		break;
#	Line 219 | Line 277 | public class JSR166TestCase extends Test
277		thread.start();
278		}
279
280	<	public static String cpuModel() {
281	<	try {
282	<	Matcher matcher = Pattern.compile("model name\\s*: (.*)")
283	<	.matcher(new String(
284	<	Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
285	<	matcher.find();
286	<	return matcher.group(1);
287	<	} catch (Exception ex) { return null; }
288	<	}
280	>	//     public static String cpuModel() {
281	>	//         try {
282	>	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
283	>	//                 .matcher(new String(
284	>	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
285	>	//             matcher.find();
286	>	//             return matcher.group(1);
287	>	//         } catch (Exception ex) { return null; }
288	>	//     }
289
290		public void runBare() throws Throwable {
291		currentTestCase = this;
#	Line 238 | Line 296 | public class JSR166TestCase extends Test
296
297		protected void runTest() throws Throwable {
298		for (int i = 0; i < runsPerTest; i++) {
299	<	currentRun = i;
299	>	// currentRun = i;
300		if (profileTests)
301		runTestProfiled();
302		else
#	Line 267 | Line 325 | public class JSR166TestCase extends Test
325		main(suite(), args);
326		}
327
328	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
329	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
330	+	long runTime;
331	+	public void startTest(Test test) {}
332	+	protected void printHeader(long runTime) {
333	+	this.runTime = runTime; // defer printing for later
334	+	}
335	+	protected void printFooter(TestResult result) {
336	+	if (result.wasSuccessful()) {
337	+	getWriter().println("OK (" + result.runCount() + " tests)"
338	+	+ "  Time: " + elapsedTimeAsString(runTime));
339	+	} else {
340	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
341	+	super.printFooter(result);
342	+	}
343	+	}
344	+	}
345	+
346	+	/**
347	+	* Returns a TestRunner that doesn't bother with unnecessary
348	+	* fluff, like printing a "." for each test case.
349	+	*/
350	+	static junit.textui.TestRunner newPithyTestRunner() {
351	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
352	+	runner.setPrinter(new PithyResultPrinter(System.out));
353	+	return runner;
354	+	}
355	+
356		/**
357		* Runs all unit tests in the given test suite.
358		* Actual behavior influenced by jsr166.* system properties.
#	Line 278 | Line 364 | public class JSR166TestCase extends Test
364		System.setSecurityManager(new SecurityManager());
365		}
366		for (int i = 0; i < suiteRuns; i++) {
367	<	TestResult result = junit.textui.TestRunner.run(suite);
367	>	TestResult result = newPithyTestRunner().doRun(suite);
368		if (!result.wasSuccessful())
369		System.exit(1);
370		System.gc();
#	Line 362 | Line 448 | public class JSR166TestCase extends Test
448		AbstractQueuedLongSynchronizerTest.suite(),
449		ArrayBlockingQueueTest.suite(),
450		ArrayDequeTest.suite(),
451	+	ArrayListTest.suite(),
452		AtomicBooleanTest.suite(),
453		AtomicIntegerArrayTest.suite(),
454		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 384 | Line 471 | public class JSR166TestCase extends Test
471		CopyOnWriteArrayListTest.suite(),
472		CopyOnWriteArraySetTest.suite(),
473		CountDownLatchTest.suite(),
474	+	CountedCompleterTest.suite(),
475		CyclicBarrierTest.suite(),
476		DelayQueueTest.suite(),
477		EntryTest.suite(),
#	Line 412 | Line 500 | public class JSR166TestCase extends Test
500		TreeMapTest.suite(),
501		TreeSetTest.suite(),
502		TreeSubMapTest.suite(),
503	<	TreeSubSetTest.suite());
503	>	TreeSubSetTest.suite(),
504	>	VectorTest.suite());
505
506		// Java8+ test classes
507		if (atLeastJava8()) {
508		String[] java8TestClassNames = {
509	+	"ArrayDeque8Test",
510		"Atomic8Test",
511		"CompletableFutureTest",
512		"ConcurrentHashMap8Test",
513	<	"CountedCompleterTest",
513	>	"CountedCompleter8Test",
514		"DoubleAccumulatorTest",
515		"DoubleAdderTest",
516		"ForkJoinPool8Test",
#	Line 431 | Line 521 | public class JSR166TestCase extends Test
521		"StampedLockTest",
522		"SubmissionPublisherTest",
523		"ThreadLocalRandom8Test",
524	+	"TimeUnit8Test",
525		};
526		addNamedTestClasses(suite, java8TestClassNames);
527		}
#	Line 438 | Line 529 | public class JSR166TestCase extends Test
529		// Java9+ test classes
530		if (atLeastJava9()) {
531		String[] java9TestClassNames = {
532	<	// Currently empty, but expecting varhandle tests
532	>	"AtomicBoolean9Test",
533	>	"AtomicInteger9Test",
534	>	"AtomicIntegerArray9Test",
535	>	"AtomicLong9Test",
536	>	"AtomicLongArray9Test",
537	>	"AtomicReference9Test",
538	>	"AtomicReferenceArray9Test",
539	>	"ExecutorCompletionService9Test",
540		};
541		addNamedTestClasses(suite, java9TestClassNames);
542		}
#	Line 515 | Line 613 | public class JSR166TestCase extends Test
613		public static long LONG_DELAY_MS;
614
615		/**
616	<	* Returns the shortest timed delay. This could
617	<	* be reimplemented to use for example a Property.
616	>	* Returns the shortest timed delay. This can be scaled up for
617	>	* slow machines using the jsr166.delay.factor system property,
618	>	* or via jtreg's -timeoutFactor: flag.
619	>	* http://openjdk.java.net/jtreg/command-help.html
620		*/
621		protected long getShortDelay() {
622	<	return 50;
622	>	return (long) (50 * delayFactor);
623		}
624
625		/**
#	Line 832 | Line 932 | public class JSR166TestCase extends Test
932		}};
933		}
934
935	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
936	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
937	+	}
938	+
939	+	Runnable releaser(final AtomicBoolean flag) {
940	+	return new Runnable() { public void run() { flag.set(true); }};
941	+	}
942	+
943		/**
944		* Waits out termination of a thread pool or fails doing so.
945		*/
#	Line 855 | Line 963 | public class JSR166TestCase extends Test
963		}
964		}
965
966	<	/** Like Runnable, but with the freedom to throw anything */
966	>	/**
967	>	* Like Runnable, but with the freedom to throw anything.
968	>	* junit folks had the same idea:
969	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
970	>	*/
971		interface Action { public void run() throws Throwable; }
972
973		/**
#	Line 886 | Line 998 | public class JSR166TestCase extends Test
998		* Uninteresting threads are filtered out.
999		*/
1000		static void dumpTestThreads() {
1001	+	SecurityManager sm = System.getSecurityManager();
1002	+	if (sm != null) {
1003	+	try {
1004	+	System.setSecurityManager(null);
1005	+	} catch (SecurityException giveUp) {
1006	+	return;
1007	+	}
1008	+	}
1009	+
1010		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1011		System.err.println("------ stacktrace dump start ------");
1012		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1013	<	String name = info.getThreadName();
1013	>	final String name = info.getThreadName();
1014	>	String lockName;
1015		if ("Signal Dispatcher".equals(name))
1016		continue;
1017		if ("Reference Handler".equals(name)
1018	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1018	>	&& (lockName = info.getLockName()) != null
1019	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1020		continue;
1021		if ("Finalizer".equals(name)
1022	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1022	>	&& (lockName = info.getLockName()) != null
1023	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1024		continue;
1025		if ("checkForWedgedTest".equals(name))
1026		continue;
1027		System.err.print(info);
1028		}
1029		System.err.println("------ stacktrace dump end ------");
1030	+
1031	+	if (sm != null) System.setSecurityManager(sm);
1032		}
1033
1034		/**
#	Line 1119 | Line 1245 | public class JSR166TestCase extends Test
1245		* Sleeps until the given time has elapsed.
1246		* Throws AssertionFailedError if interrupted.
1247		*/
1248	<	void sleep(long millis) {
1248	>	static void sleep(long millis) {
1249		try {
1250		delay(millis);
1251		} catch (InterruptedException fail) {
#	Line 1135 | Line 1261 | public class JSR166TestCase extends Test
1261		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1262		*/
1263		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1264	<	long startTime = System.nanoTime();
1264	>	long startTime = 0L;
1265		for (;;) {
1266		Thread.State s = thread.getState();
1267		if (s == Thread.State.BLOCKED ||
#	Line 1144 | Line 1270 | public class JSR166TestCase extends Test
1270		return;
1271		else if (s == Thread.State.TERMINATED)
1272		fail("Unexpected thread termination");
1273	+	else if (startTime == 0L)
1274	+	startTime = System.nanoTime();
1275		else if (millisElapsedSince(startTime) > timeoutMillis) {
1276		threadAssertTrue(thread.isAlive());
1277		return;
#	Line 1222 | Line 1350 | public class JSR166TestCase extends Test
1350		} finally {
1351		if (t.getState() != Thread.State.TERMINATED) {
1352		t.interrupt();
1353	<	threadFail("Test timed out");
1353	>	threadFail("timed out waiting for thread to terminate");
1354		}
1355		}
1356		}
#	Line 1388 | Line 1516 | public class JSR166TestCase extends Test
1516		return new LatchAwaiter(latch);
1517		}
1518
1519	<	public void await(CountDownLatch latch) {
1519	>	public void await(CountDownLatch latch, long timeoutMillis) {
1520		try {
1521	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1521	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1522	>	fail("timed out waiting for CountDownLatch for "
1523	>	+ (timeoutMillis/1000) + " sec");
1524		} catch (Throwable fail) {
1525		threadUnexpectedException(fail);
1526		}
1527		}
1528
1529	+	public void await(CountDownLatch latch) {
1530	+	await(latch, LONG_DELAY_MS);
1531	+	}
1532	+
1533		public void await(Semaphore semaphore) {
1534		try {
1535	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1535	>	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1536	>	fail("timed out waiting for Semaphore for "
1537	>	+ (LONG_DELAY_MS/1000) + " sec");
1538		} catch (Throwable fail) {
1539		threadUnexpectedException(fail);
1540		}
#	Line 1628 | Line 1764 | public class JSR166TestCase extends Test
1764		* A CyclicBarrier that uses timed await and fails with
1765		* AssertionFailedErrors instead of throwing checked exceptions.
1766		*/
1767	<	public class CheckedBarrier extends CyclicBarrier {
1767	>	public static class CheckedBarrier extends CyclicBarrier {
1768		public CheckedBarrier(int parties) { super(parties); }
1769
1770		public int await() {
#	Line 1692 | Line 1828 | public class JSR166TestCase extends Test
1828		}
1829		}
1830
1831	+	void assertImmutable(final Object o) {
1832	+	if (o instanceof Collection) {
1833	+	assertThrows(
1834	+	UnsupportedOperationException.class,
1835	+	new Runnable() { public void run() {
1836	+	((Collection) o).add(null);}});
1837	+	}
1838	+	}
1839	+
1840		@SuppressWarnings("unchecked")
1841		<T> T serialClone(T o) {
1842		try {
1843		ObjectInputStream ois = new ObjectInputStream
1844		(new ByteArrayInputStream(serialBytes(o)));
1845		T clone = (T) ois.readObject();
1846	+	if (o == clone) assertImmutable(o);
1847		assertSame(o.getClass(), clone.getClass());
1848		return clone;
1849		} catch (Throwable fail) {
#	Line 1706 | Line 1852 | public class JSR166TestCase extends Test
1852		}
1853		}
1854
1855	+	/**
1856	+	* If o implements Cloneable and has a public clone method,
1857	+	* returns a clone of o, else null.
1858	+	*/
1859	+	@SuppressWarnings("unchecked")
1860	+	<T> T cloneableClone(T o) {
1861	+	if (!(o instanceof Cloneable)) return null;
1862	+	final T clone;
1863	+	try {
1864	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1865	+	} catch (NoSuchMethodException ok) {
1866	+	return null;
1867	+	} catch (ReflectiveOperationException unexpected) {
1868	+	throw new Error(unexpected);
1869	+	}
1870	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1871	+	assertSame(o.getClass(), clone.getClass());
1872	+	return clone;
1873	+	}
1874	+
1875		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1876		Runnable... throwingActions) {
1877		for (Runnable throwingAction : throwingActions) {
#	Line 1734 | Line 1900 | public class JSR166TestCase extends Test
1900		} catch (NoSuchElementException success) {}
1901		assertFalse(it.hasNext());
1902		}
1903	+
1904	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1905	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1906	+	}
1907	+
1908	+	public Runnable runnableThrowing(final RuntimeException ex) {
1909	+	return new Runnable() { public void run() { throw ex; }};
1910	+	}
1911	+
1912	+	/** A reusable thread pool to be shared by tests. */
1913	+	static final ExecutorService cachedThreadPool =
1914	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1915	+	1000L, MILLISECONDS,
1916	+	new SynchronousQueue<Runnable>());
1917	+
1918	+	static <T> void shuffle(T[] array) {
1919	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1920	+	}
1921		}

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