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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.178 by jsr166, Fri Oct 23 17:34:47 2015 UTC vs.
Revision 1.215 by jsr166, Sat Dec 10 18:11:05 2016 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	+	/*
10	+	* @test
11	+	* @summary JSR-166 tck tests (conformance testing mode)
12	+	* @build *
13	+	* @modules java.management
14	+	* @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
23	+	* @run junit/othervm/timeout=1000
24	+	*      -Djsr166.testImplementationDetails=true
25	+	*      JSR166TestCase
26	+	* @run junit/othervm/timeout=1000
27	+	*      -Djsr166.testImplementationDetails=true
28	+	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=0
29	+	*      JSR166TestCase
30	+	* @run junit/othervm/timeout=1000
31	+	*      -Djsr166.testImplementationDetails=true
32	+	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=1
33	+	*      -Djava.util.secureRandomSeed=true
34	+	*      JSR166TestCase
35	+	*/
36	+
37		import static java.util.concurrent.TimeUnit.MILLISECONDS;
38		import static java.util.concurrent.TimeUnit.MINUTES;
39		import static java.util.concurrent.TimeUnit.NANOSECONDS;
#	Line 31 | Line 59 | import java.security.ProtectionDomain;
59		import java.security.SecurityPermission;
60		import java.util.ArrayList;
61		import java.util.Arrays;
62	+	import java.util.Collection;
63	+	import java.util.Collections;
64		import java.util.Date;
65		import java.util.Enumeration;
66		import java.util.Iterator;
#	Line 50 | Line 80 | import java.util.concurrent.RecursiveAct
80		import java.util.concurrent.RecursiveTask;
81		import java.util.concurrent.RejectedExecutionHandler;
82		import java.util.concurrent.Semaphore;
83	+	import java.util.concurrent.SynchronousQueue;
84		import java.util.concurrent.ThreadFactory;
85	+	import java.util.concurrent.ThreadLocalRandom;
86		import java.util.concurrent.ThreadPoolExecutor;
87		import java.util.concurrent.TimeoutException;
88	+	import java.util.concurrent.atomic.AtomicBoolean;
89		import java.util.concurrent.atomic.AtomicReference;
90		import java.util.regex.Matcher;
91		import java.util.regex.Pattern;
#	Line 112 | Line 145 | import junit.framework.TestSuite;
145		* methods as there are exceptions the method can throw. Sometimes
146		* there are multiple tests per JSR166 method when the different
147		* "normal" behaviors differ significantly. And sometimes testcases
148	<	* cover multiple methods when they cannot be tested in
116	<	* isolation.
148	>	* cover multiple methods when they cannot be tested in isolation.
149		*
150		* <li>The documentation style for testcases is to provide as javadoc
151		* a simple sentence or two describing the property that the testcase
#	Line 176 | Line 208 | public class JSR166TestCase extends Test
208		private static final int suiteRuns =
209		Integer.getInteger("jsr166.suiteRuns", 1);
210
211	+	/**
212	+	* Returns the value of the system property, or NaN if not defined.
213	+	*/
214	+	private static float systemPropertyValue(String name) {
215	+	String floatString = System.getProperty(name);
216	+	if (floatString == null)
217	+	return Float.NaN;
218	+	try {
219	+	return Float.parseFloat(floatString);
220	+	} catch (NumberFormatException ex) {
221	+	throw new IllegalArgumentException(
222	+	String.format("Bad float value in system property %s=%s",
223	+	name, floatString));
224	+	}
225	+	}
226	+
227	+	/**
228	+	* The scaling factor to apply to standard delays used in tests.
229	+	* May be initialized from any of:
230	+	* - the "jsr166.delay.factor" system property
231	+	* - the "test.timeout.factor" system property (as used by jtreg)
232	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
233	+	* - hard-coded fuzz factor when using a known slowpoke VM
234	+	*/
235	+	private static final float delayFactor = delayFactor();
236	+
237	+	private static float delayFactor() {
238	+	float x;
239	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
240	+	return x;
241	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
242	+	return x;
243	+	String prop = System.getProperty("java.vm.version");
244	+	if (prop != null && prop.matches(".*debug.*"))
245	+	return 4.0f; // How much slower is fastdebug than product?!
246	+	return 1.0f;
247	+	}
248	+
249		public JSR166TestCase() { super(); }
250		public JSR166TestCase(String name) { super(name); }
251
#	Line 277 | Line 347 | public class JSR166TestCase extends Test
347		PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
348		long runTime;
349		public void startTest(Test test) {}
350	<	protected void printHeader(long runTime) {
350	>	protected void printHeader(long runTime) {
351		this.runTime = runTime; // defer printing for later
352	<	}
353	<	protected void printFooter(TestResult result) {
352	>	}
353	>	protected void printFooter(TestResult result) {
354		if (result.wasSuccessful()) {
355		getWriter().println("OK (" + result.runCount() + " tests)"
356		+ "  Time: " + elapsedTimeAsString(runTime));
#	Line 396 | Line 466 | public class JSR166TestCase extends Test
466		AbstractQueuedLongSynchronizerTest.suite(),
467		ArrayBlockingQueueTest.suite(),
468		ArrayDequeTest.suite(),
469	+	ArrayListTest.suite(),
470		AtomicBooleanTest.suite(),
471		AtomicIntegerArrayTest.suite(),
472		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 418 | Line 489 | public class JSR166TestCase extends Test
489		CopyOnWriteArrayListTest.suite(),
490		CopyOnWriteArraySetTest.suite(),
491		CountDownLatchTest.suite(),
492	+	CountedCompleterTest.suite(),
493		CyclicBarrierTest.suite(),
494		DelayQueueTest.suite(),
495		EntryTest.suite(),
#	Line 446 | Line 518 | public class JSR166TestCase extends Test
518		TreeMapTest.suite(),
519		TreeSetTest.suite(),
520		TreeSubMapTest.suite(),
521	<	TreeSubSetTest.suite());
521	>	TreeSubSetTest.suite(),
522	>	VectorTest.suite());
523
524		// Java8+ test classes
525		if (atLeastJava8()) {
526		String[] java8TestClassNames = {
527	+	"ArrayDeque8Test",
528		"Atomic8Test",
529		"CompletableFutureTest",
530		"ConcurrentHashMap8Test",
531	<	"CountedCompleterTest",
531	>	"CountedCompleter8Test",
532		"DoubleAccumulatorTest",
533		"DoubleAdderTest",
534		"ForkJoinPool8Test",
535		"ForkJoinTask8Test",
536	+	"LinkedBlockingDeque8Test",
537	+	"LinkedBlockingQueue8Test",
538		"LongAccumulatorTest",
539		"LongAdderTest",
540		"SplittableRandomTest",
541		"StampedLockTest",
542		"SubmissionPublisherTest",
543		"ThreadLocalRandom8Test",
544	+	"TimeUnit8Test",
545		};
546		addNamedTestClasses(suite, java8TestClassNames);
547		}
#	Line 472 | Line 549 | public class JSR166TestCase extends Test
549		// Java9+ test classes
550		if (atLeastJava9()) {
551		String[] java9TestClassNames = {
552	<	// Currently empty, but expecting varhandle tests
552	>	"AtomicBoolean9Test",
553	>	"AtomicInteger9Test",
554	>	"AtomicIntegerArray9Test",
555	>	"AtomicLong9Test",
556	>	"AtomicLongArray9Test",
557	>	"AtomicReference9Test",
558	>	"AtomicReferenceArray9Test",
559	>	"ExecutorCompletionService9Test",
560		};
561		addNamedTestClasses(suite, java9TestClassNames);
562		}
#	Line 549 | Line 633 | public class JSR166TestCase extends Test
633		public static long LONG_DELAY_MS;
634
635		/**
636	<	* Returns the shortest timed delay. This could
637	<	* be reimplemented to use for example a Property.
636	>	* Returns the shortest timed delay. This can be scaled up for
637	>	* slow machines using the jsr166.delay.factor system property,
638	>	* or via jtreg's -timeoutFactor: flag.
639	>	* http://openjdk.java.net/jtreg/command-help.html
640		*/
641		protected long getShortDelay() {
642	<	return 50;
642	>	return (long) (50 * delayFactor);
643		}
644
645		/**
#	Line 866 | Line 952 | public class JSR166TestCase extends Test
952		}};
953		}
954
955	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
956	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
957	+	}
958	+
959	+	Runnable releaser(final AtomicBoolean flag) {
960	+	return new Runnable() { public void run() { flag.set(true); }};
961	+	}
962	+
963		/**
964		* Waits out termination of a thread pool or fails doing so.
965		*/
#	Line 889 | Line 983 | public class JSR166TestCase extends Test
983		}
984		}
985
986	<	/** Like Runnable, but with the freedom to throw anything */
986	>	/**
987	>	* Like Runnable, but with the freedom to throw anything.
988	>	* junit folks had the same idea:
989	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
990	>	*/
991		interface Action { public void run() throws Throwable; }
992
993		/**
#	Line 920 | Line 1018 | public class JSR166TestCase extends Test
1018		* Uninteresting threads are filtered out.
1019		*/
1020		static void dumpTestThreads() {
1021	+	SecurityManager sm = System.getSecurityManager();
1022	+	if (sm != null) {
1023	+	try {
1024	+	System.setSecurityManager(null);
1025	+	} catch (SecurityException giveUp) {
1026	+	return;
1027	+	}
1028	+	}
1029	+
1030		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1031		System.err.println("------ stacktrace dump start ------");
1032		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1033	<	String name = info.getThreadName();
1033	>	final String name = info.getThreadName();
1034	>	String lockName;
1035		if ("Signal Dispatcher".equals(name))
1036		continue;
1037		if ("Reference Handler".equals(name)
1038	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1038	>	&& (lockName = info.getLockName()) != null
1039	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1040		continue;
1041		if ("Finalizer".equals(name)
1042	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1042	>	&& (lockName = info.getLockName()) != null
1043	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1044		continue;
1045		if ("checkForWedgedTest".equals(name))
1046		continue;
1047		System.err.print(info);
1048		}
1049		System.err.println("------ stacktrace dump end ------");
1050	+
1051	+	if (sm != null) System.setSecurityManager(sm);
1052		}
1053
1054		/**
#	Line 1153 | Line 1265 | public class JSR166TestCase extends Test
1265		* Sleeps until the given time has elapsed.
1266		* Throws AssertionFailedError if interrupted.
1267		*/
1268	<	void sleep(long millis) {
1268	>	static void sleep(long millis) {
1269		try {
1270		delay(millis);
1271		} catch (InterruptedException fail) {
#	Line 1169 | Line 1281 | public class JSR166TestCase extends Test
1281		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1282		*/
1283		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1284	<	long startTime = System.nanoTime();
1284	>	long startTime = 0L;
1285		for (;;) {
1286		Thread.State s = thread.getState();
1287		if (s == Thread.State.BLOCKED ||
#	Line 1178 | Line 1290 | public class JSR166TestCase extends Test
1290		return;
1291		else if (s == Thread.State.TERMINATED)
1292		fail("Unexpected thread termination");
1293	+	else if (startTime == 0L)
1294	+	startTime = System.nanoTime();
1295		else if (millisElapsedSince(startTime) > timeoutMillis) {
1296		threadAssertTrue(thread.isAlive());
1297		return;
#	Line 1422 | Line 1536 | public class JSR166TestCase extends Test
1536		return new LatchAwaiter(latch);
1537		}
1538
1539	<	public void await(CountDownLatch latch) {
1539	>	public void await(CountDownLatch latch, long timeoutMillis) {
1540		try {
1541	<	if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1541	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1542		fail("timed out waiting for CountDownLatch for "
1543	<	+ (LONG_DELAY_MS/1000) + " sec");
1543	>	+ (timeoutMillis/1000) + " sec");
1544		} catch (Throwable fail) {
1545		threadUnexpectedException(fail);
1546		}
1547		}
1548
1549	+	public void await(CountDownLatch latch) {
1550	+	await(latch, LONG_DELAY_MS);
1551	+	}
1552	+
1553		public void await(Semaphore semaphore) {
1554		try {
1555		if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
#	Line 1666 | Line 1784 | public class JSR166TestCase extends Test
1784		* A CyclicBarrier that uses timed await and fails with
1785		* AssertionFailedErrors instead of throwing checked exceptions.
1786		*/
1787	<	public class CheckedBarrier extends CyclicBarrier {
1787	>	public static class CheckedBarrier extends CyclicBarrier {
1788		public CheckedBarrier(int parties) { super(parties); }
1789
1790		public int await() {
#	Line 1730 | Line 1848 | public class JSR166TestCase extends Test
1848		}
1849		}
1850
1851	+	void assertImmutable(final Object o) {
1852	+	if (o instanceof Collection) {
1853	+	assertThrows(
1854	+	UnsupportedOperationException.class,
1855	+	new Runnable() { public void run() {
1856	+	((Collection) o).add(null);}});
1857	+	}
1858	+	}
1859	+
1860		@SuppressWarnings("unchecked")
1861		<T> T serialClone(T o) {
1862		try {
1863		ObjectInputStream ois = new ObjectInputStream
1864		(new ByteArrayInputStream(serialBytes(o)));
1865		T clone = (T) ois.readObject();
1866	+	if (o == clone) assertImmutable(o);
1867		assertSame(o.getClass(), clone.getClass());
1868		return clone;
1869		} catch (Throwable fail) {
#	Line 1744 | Line 1872 | public class JSR166TestCase extends Test
1872		}
1873		}
1874
1875	+	/**
1876	+	* A version of serialClone that leaves error handling (for
1877	+	* e.g. NotSerializableException) up to the caller.
1878	+	*/
1879	+	@SuppressWarnings("unchecked")
1880	+	<T> T serialClonePossiblyFailing(T o)
1881	+	throws ReflectiveOperationException, java.io.IOException {
1882	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1883	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1884	+	oos.writeObject(o);
1885	+	oos.flush();
1886	+	oos.close();
1887	+	ObjectInputStream ois = new ObjectInputStream
1888	+	(new ByteArrayInputStream(bos.toByteArray()));
1889	+	T clone = (T) ois.readObject();
1890	+	if (o == clone) assertImmutable(o);
1891	+	assertSame(o.getClass(), clone.getClass());
1892	+	return clone;
1893	+	}
1894	+
1895	+	/**
1896	+	* If o implements Cloneable and has a public clone method,
1897	+	* returns a clone of o, else null.
1898	+	*/
1899	+	@SuppressWarnings("unchecked")
1900	+	<T> T cloneableClone(T o) {
1901	+	if (!(o instanceof Cloneable)) return null;
1902	+	final T clone;
1903	+	try {
1904	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1905	+	} catch (NoSuchMethodException ok) {
1906	+	return null;
1907	+	} catch (ReflectiveOperationException unexpected) {
1908	+	throw new Error(unexpected);
1909	+	}
1910	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1911	+	assertSame(o.getClass(), clone.getClass());
1912	+	return clone;
1913	+	}
1914	+
1915		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1916		Runnable... throwingActions) {
1917		for (Runnable throwingAction : throwingActions) {
#	Line 1772 | Line 1940 | public class JSR166TestCase extends Test
1940		} catch (NoSuchElementException success) {}
1941		assertFalse(it.hasNext());
1942		}
1943	+
1944	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1945	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1946	+	}
1947	+
1948	+	public Runnable runnableThrowing(final RuntimeException ex) {
1949	+	return new Runnable() { public void run() { throw ex; }};
1950	+	}
1951	+
1952	+	/** A reusable thread pool to be shared by tests. */
1953	+	static final ExecutorService cachedThreadPool =
1954	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1955	+	1000L, MILLISECONDS,
1956	+	new SynchronousQueue<Runnable>());
1957	+
1958	+	static <T> void shuffle(T[] array) {
1959	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1960	+	}
1961		}

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