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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.176 by jsr166, Mon Oct 12 07:16:39 2015 UTC vs.
Revision 1.214 by jsr166, Fri Dec 9 07:26:04 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 273 | Line 343 | public class JSR166TestCase extends Test
343		main(suite(), args);
344		}
345
346	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
347	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
348	+	long runTime;
349	+	public void startTest(Test test) {}
350	+	protected void printHeader(long runTime) {
351	+	this.runTime = runTime; // defer printing for later
352	+	}
353	+	protected void printFooter(TestResult result) {
354	+	if (result.wasSuccessful()) {
355	+	getWriter().println("OK (" + result.runCount() + " tests)"
356	+	+ "  Time: " + elapsedTimeAsString(runTime));
357	+	} else {
358	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
359	+	super.printFooter(result);
360	+	}
361	+	}
362	+	}
363	+
364	+	/**
365	+	* Returns a TestRunner that doesn't bother with unnecessary
366	+	* fluff, like printing a "." for each test case.
367	+	*/
368	+	static junit.textui.TestRunner newPithyTestRunner() {
369	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
370	+	runner.setPrinter(new PithyResultPrinter(System.out));
371	+	return runner;
372	+	}
373	+
374		/**
375		* Runs all unit tests in the given test suite.
376		* Actual behavior influenced by jsr166.* system properties.
#	Line 284 | Line 382 | public class JSR166TestCase extends Test
382		System.setSecurityManager(new SecurityManager());
383		}
384		for (int i = 0; i < suiteRuns; i++) {
385	<	TestResult result = junit.textui.TestRunner.run(suite);
385	>	TestResult result = newPithyTestRunner().doRun(suite);
386		if (!result.wasSuccessful())
387		System.exit(1);
388		System.gc();
#	Line 368 | 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 390 | 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 418 | 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",
#	Line 437 | Line 539 | public class JSR166TestCase extends Test
539		"StampedLockTest",
540		"SubmissionPublisherTest",
541		"ThreadLocalRandom8Test",
542	+	"TimeUnit8Test",
543		};
544		addNamedTestClasses(suite, java8TestClassNames);
545		}
#	Line 444 | Line 547 | public class JSR166TestCase extends Test
547		// Java9+ test classes
548		if (atLeastJava9()) {
549		String[] java9TestClassNames = {
550	<	// Currently empty, but expecting varhandle tests
550	>	"AtomicBoolean9Test",
551	>	"AtomicInteger9Test",
552	>	"AtomicIntegerArray9Test",
553	>	"AtomicLong9Test",
554	>	"AtomicLongArray9Test",
555	>	"AtomicReference9Test",
556	>	"AtomicReferenceArray9Test",
557	>	"ExecutorCompletionService9Test",
558		};
559		addNamedTestClasses(suite, java9TestClassNames);
560		}
#	Line 521 | Line 631 | public class JSR166TestCase extends Test
631		public static long LONG_DELAY_MS;
632
633		/**
634	<	* Returns the shortest timed delay. This could
635	<	* be reimplemented to use for example a Property.
634	>	* Returns the shortest timed delay. This can be scaled up for
635	>	* slow machines using the jsr166.delay.factor system property,
636	>	* or via jtreg's -timeoutFactor: flag.
637	>	* http://openjdk.java.net/jtreg/command-help.html
638		*/
639		protected long getShortDelay() {
640	<	return 50;
640	>	return (long) (50 * delayFactor);
641		}
642
643		/**
#	Line 838 | Line 950 | public class JSR166TestCase extends Test
950		}};
951		}
952
953	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
954	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
955	+	}
956	+
957	+	Runnable releaser(final AtomicBoolean flag) {
958	+	return new Runnable() { public void run() { flag.set(true); }};
959	+	}
960	+
961		/**
962		* Waits out termination of a thread pool or fails doing so.
963		*/
#	Line 861 | Line 981 | public class JSR166TestCase extends Test
981		}
982		}
983
984	<	/** Like Runnable, but with the freedom to throw anything */
984	>	/**
985	>	* Like Runnable, but with the freedom to throw anything.
986	>	* junit folks had the same idea:
987	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
988	>	*/
989		interface Action { public void run() throws Throwable; }
990
991		/**
#	Line 892 | Line 1016 | public class JSR166TestCase extends Test
1016		* Uninteresting threads are filtered out.
1017		*/
1018		static void dumpTestThreads() {
1019	+	SecurityManager sm = System.getSecurityManager();
1020	+	if (sm != null) {
1021	+	try {
1022	+	System.setSecurityManager(null);
1023	+	} catch (SecurityException giveUp) {
1024	+	return;
1025	+	}
1026	+	}
1027	+
1028		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1029		System.err.println("------ stacktrace dump start ------");
1030		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1031	<	String name = info.getThreadName();
1031	>	final String name = info.getThreadName();
1032	>	String lockName;
1033		if ("Signal Dispatcher".equals(name))
1034		continue;
1035		if ("Reference Handler".equals(name)
1036	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1036	>	&& (lockName = info.getLockName()) != null
1037	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1038		continue;
1039		if ("Finalizer".equals(name)
1040	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1040	>	&& (lockName = info.getLockName()) != null
1041	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1042		continue;
1043		if ("checkForWedgedTest".equals(name))
1044		continue;
1045		System.err.print(info);
1046		}
1047		System.err.println("------ stacktrace dump end ------");
1048	+
1049	+	if (sm != null) System.setSecurityManager(sm);
1050		}
1051
1052		/**
#	Line 1125 | Line 1263 | public class JSR166TestCase extends Test
1263		* Sleeps until the given time has elapsed.
1264		* Throws AssertionFailedError if interrupted.
1265		*/
1266	<	void sleep(long millis) {
1266	>	static void sleep(long millis) {
1267		try {
1268		delay(millis);
1269		} catch (InterruptedException fail) {
#	Line 1141 | Line 1279 | public class JSR166TestCase extends Test
1279		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1280		*/
1281		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1282	<	long startTime = System.nanoTime();
1282	>	long startTime = 0L;
1283		for (;;) {
1284		Thread.State s = thread.getState();
1285		if (s == Thread.State.BLOCKED ||
#	Line 1150 | Line 1288 | public class JSR166TestCase extends Test
1288		return;
1289		else if (s == Thread.State.TERMINATED)
1290		fail("Unexpected thread termination");
1291	+	else if (startTime == 0L)
1292	+	startTime = System.nanoTime();
1293		else if (millisElapsedSince(startTime) > timeoutMillis) {
1294		threadAssertTrue(thread.isAlive());
1295		return;
#	Line 1228 | Line 1368 | public class JSR166TestCase extends Test
1368		} finally {
1369		if (t.getState() != Thread.State.TERMINATED) {
1370		t.interrupt();
1371	<	threadFail("Test timed out");
1371	>	threadFail("timed out waiting for thread to terminate");
1372		}
1373		}
1374		}
#	Line 1394 | Line 1534 | public class JSR166TestCase extends Test
1534		return new LatchAwaiter(latch);
1535		}
1536
1537	<	public void await(CountDownLatch latch) {
1537	>	public void await(CountDownLatch latch, long timeoutMillis) {
1538		try {
1539	<	if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1539	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1540		fail("timed out waiting for CountDownLatch for "
1541	<	+ (LONG_DELAY_MS/1000) + " sec");
1541	>	+ (timeoutMillis/1000) + " sec");
1542		} catch (Throwable fail) {
1543		threadUnexpectedException(fail);
1544		}
1545		}
1546
1547	+	public void await(CountDownLatch latch) {
1548	+	await(latch, LONG_DELAY_MS);
1549	+	}
1550	+
1551		public void await(Semaphore semaphore) {
1552		try {
1553		if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
#	Line 1638 | Line 1782 | public class JSR166TestCase extends Test
1782		* A CyclicBarrier that uses timed await and fails with
1783		* AssertionFailedErrors instead of throwing checked exceptions.
1784		*/
1785	<	public class CheckedBarrier extends CyclicBarrier {
1785	>	public static class CheckedBarrier extends CyclicBarrier {
1786		public CheckedBarrier(int parties) { super(parties); }
1787
1788		public int await() {
#	Line 1702 | Line 1846 | public class JSR166TestCase extends Test
1846		}
1847		}
1848
1849	+	void assertImmutable(final Object o) {
1850	+	if (o instanceof Collection) {
1851	+	assertThrows(
1852	+	UnsupportedOperationException.class,
1853	+	new Runnable() { public void run() {
1854	+	((Collection) o).add(null);}});
1855	+	}
1856	+	}
1857	+
1858		@SuppressWarnings("unchecked")
1859		<T> T serialClone(T o) {
1860		try {
1861		ObjectInputStream ois = new ObjectInputStream
1862		(new ByteArrayInputStream(serialBytes(o)));
1863		T clone = (T) ois.readObject();
1864	+	if (o == clone) assertImmutable(o);
1865		assertSame(o.getClass(), clone.getClass());
1866		return clone;
1867		} catch (Throwable fail) {
#	Line 1716 | Line 1870 | public class JSR166TestCase extends Test
1870		}
1871		}
1872
1873	+	/**
1874	+	* A version of serialClone that leaves error handling (for
1875	+	* e.g. NotSerializableException) up to the caller.
1876	+	*/
1877	+	@SuppressWarnings("unchecked")
1878	+	<T> T serialClonePossiblyFailing(T o)
1879	+	throws ReflectiveOperationException, java.io.IOException {
1880	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1881	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1882	+	oos.writeObject(o);
1883	+	oos.flush();
1884	+	oos.close();
1885	+	ObjectInputStream ois = new ObjectInputStream
1886	+	(new ByteArrayInputStream(bos.toByteArray()));
1887	+	T clone = (T) ois.readObject();
1888	+	if (o == clone) assertImmutable(o);
1889	+	assertSame(o.getClass(), clone.getClass());
1890	+	return clone;
1891	+	}
1892	+
1893	+	/**
1894	+	* If o implements Cloneable and has a public clone method,
1895	+	* returns a clone of o, else null.
1896	+	*/
1897	+	@SuppressWarnings("unchecked")
1898	+	<T> T cloneableClone(T o) {
1899	+	if (!(o instanceof Cloneable)) return null;
1900	+	final T clone;
1901	+	try {
1902	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1903	+	} catch (NoSuchMethodException ok) {
1904	+	return null;
1905	+	} catch (ReflectiveOperationException unexpected) {
1906	+	throw new Error(unexpected);
1907	+	}
1908	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1909	+	assertSame(o.getClass(), clone.getClass());
1910	+	return clone;
1911	+	}
1912	+
1913		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1914		Runnable... throwingActions) {
1915		for (Runnable throwingAction : throwingActions) {
#	Line 1744 | Line 1938 | public class JSR166TestCase extends Test
1938		} catch (NoSuchElementException success) {}
1939		assertFalse(it.hasNext());
1940		}
1941	+
1942	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1943	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1944	+	}
1945	+
1946	+	public Runnable runnableThrowing(final RuntimeException ex) {
1947	+	return new Runnable() { public void run() { throw ex; }};
1948	+	}
1949	+
1950	+	/** A reusable thread pool to be shared by tests. */
1951	+	static final ExecutorService cachedThreadPool =
1952	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1953	+	1000L, MILLISECONDS,
1954	+	new SynchronousQueue<Runnable>());
1955	+
1956	+	static <T> void shuffle(T[] array) {
1957	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1958	+	}
1959		}

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