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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.92 by jsr166, Sun Nov 18 18:03:11 2012 UTC vs.
Revision 1.125 by jsr166, Thu Jan 15 18:58:07 2015 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
9	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
11	>
12		import java.io.ByteArrayInputStream;
13		import java.io.ByteArrayOutputStream;
14		import java.io.ObjectInputStream;
15		import java.io.ObjectOutputStream;
16	<	import java.util.Arrays;
17	<	import java.util.Date;
18	<	import java.util.NoSuchElementException;
17	<	import java.util.PropertyPermission;
18	<	import java.util.concurrent.*;
19	<	import java.util.concurrent.atomic.AtomicBoolean;
20	<	import java.util.concurrent.atomic.AtomicReference;
21	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
22	<	import static java.util.concurrent.TimeUnit.NANOSECONDS;
16	>	import java.lang.management.ManagementFactory;
17	>	import java.lang.management.ThreadInfo;
18	>	import java.lang.reflect.Method;
19		import java.security.CodeSource;
20		import java.security.Permission;
21		import java.security.PermissionCollection;
#	Line 27 | Line 23 | import java.security.Permissions;
23		import java.security.Policy;
24		import java.security.ProtectionDomain;
25		import java.security.SecurityPermission;
26	+	import java.util.ArrayList;
27	+	import java.util.Arrays;
28	+	import java.util.Date;
29	+	import java.util.Enumeration;
30	+	import java.util.List;
31	+	import java.util.NoSuchElementException;
32	+	import java.util.PropertyPermission;
33	+	import java.util.concurrent.BlockingQueue;
34	+	import java.util.concurrent.Callable;
35	+	import java.util.concurrent.CountDownLatch;
36	+	import java.util.concurrent.CyclicBarrier;
37	+	import java.util.concurrent.ExecutorService;
38	+	import java.util.concurrent.Future;
39	+	import java.util.concurrent.RecursiveAction;
40	+	import java.util.concurrent.RecursiveTask;
41	+	import java.util.concurrent.RejectedExecutionHandler;
42	+	import java.util.concurrent.Semaphore;
43	+	import java.util.concurrent.ThreadFactory;
44	+	import java.util.concurrent.ThreadPoolExecutor;
45	+	import java.util.concurrent.TimeoutException;
46	+	import java.util.concurrent.atomic.AtomicReference;
47	+	import java.util.regex.Pattern;
48	+
49	+	import junit.framework.AssertionFailedError;
50	+	import junit.framework.Test;
51	+	import junit.framework.TestCase;
52	+	import junit.framework.TestSuite;
53
54		/**
55		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 109 | Line 132 | public class JSR166TestCase extends Test
132		Boolean.getBoolean("jsr166.expensiveTests");
133
134		/**
135	+	* If true, also run tests that are not part of the official tck
136	+	* because they test unspecified implementation details.
137	+	*/
138	+	protected static final boolean testImplementationDetails =
139	+	Boolean.getBoolean("jsr166.testImplementationDetails");
140	+
141	+	/**
142		* If true, report on stdout all "slow" tests, that is, ones that
143		* take more than profileThreshold milliseconds to execute.
144		*/
#	Line 122 | Line 152 | public class JSR166TestCase extends Test
152		private static final long profileThreshold =
153		Long.getLong("jsr166.profileThreshold", 100);
154
155	+	/**
156	+	* The number of repetitions per test (for tickling rare bugs).
157	+	*/
158	+	private static final int runsPerTest =
159	+	Integer.getInteger("jsr166.runsPerTest", 1);
160	+
161	+	/**
162	+	* A filter for tests to run, matching strings of the form
163	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
164	+	* Usefully combined with jsr166.runsPerTest.
165	+	*/
166	+	private static final Pattern methodFilter = methodFilter();
167	+
168	+	private static Pattern methodFilter() {
169	+	String regex = System.getProperty("jsr166.methodFilter");
170	+	return (regex == null) ? null : Pattern.compile(regex);
171	+	}
172	+
173		protected void runTest() throws Throwable {
174	<	if (profileTests)
175	<	runTestProfiled();
176	<	else
177	<	super.runTest();
174	>	if (methodFilter == null
175	>	|| methodFilter.matcher(toString()).find()) {
176	>	for (int i = 0; i < runsPerTest; i++) {
177	>	if (profileTests)
178	>	runTestProfiled();
179	>	else
180	>	super.runTest();
181	>	}
182	>	}
183		}
184
185		protected void runTestProfiled() throws Throwable {
186	+	// Warmup run, notably to trigger all needed classloading.
187	+	super.runTest();
188		long t0 = System.nanoTime();
189		try {
190		super.runTest();
191		} finally {
192	<	long elapsedMillis =
138	<	(System.nanoTime() - t0) / (1000L * 1000L);
192	>	long elapsedMillis = millisElapsedSince(t0);
193		if (elapsedMillis >= profileThreshold)
194		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
195		}
196		}
197
198		/**
199	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
199	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
200	>	* Optional command line arg provides the number of iterations to
201	>	* repeat running the tests.
202		*/
203		public static void main(String[] args) {
204		if (useSecurityManager) {
#	Line 174 | Line 230 | public class JSR166TestCase extends Test
230		return suite;
231		}
232
233	+	public static void addNamedTestClasses(TestSuite suite,
234	+	String... testClassNames) {
235	+	for (String testClassName : testClassNames) {
236	+	try {
237	+	Class<?> testClass = Class.forName(testClassName);
238	+	Method m = testClass.getDeclaredMethod("suite",
239	+	new Class<?>[0]);
240	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
241	+	} catch (Exception e) {
242	+	throw new Error("Missing test class", e);
243	+	}
244	+	}
245	+	}
246	+
247	+	public static final double JAVA_CLASS_VERSION;
248	+	public static final String JAVA_SPECIFICATION_VERSION;
249	+	static {
250	+	try {
251	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
252	+	new java.security.PrivilegedAction<Double>() {
253	+	public Double run() {
254	+	return Double.valueOf(System.getProperty("java.class.version"));}});
255	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
256	+	new java.security.PrivilegedAction<String>() {
257	+	public String run() {
258	+	return System.getProperty("java.specification.version");}});
259	+	} catch (Throwable t) {
260	+	throw new Error(t);
261	+	}
262	+	}
263	+
264	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
265	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
266	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
267	+	public static boolean atLeastJava9() {
268	+	// As of 2014-05, java9 still uses 52.0 class file version
269	+	return JAVA_SPECIFICATION_VERSION.startsWith("1.9");
270	+	}
271	+
272		/**
273		* Collects all JSR166 unit tests as one suite.
274		*/
275		public static Test suite() {
276	<	return newTestSuite(
276	>	// Java7+ test classes
277	>	TestSuite suite = newTestSuite(
278		ForkJoinPoolTest.suite(),
279		ForkJoinTaskTest.suite(),
280		RecursiveActionTest.suite(),
#	Line 243 | Line 339 | public class JSR166TestCase extends Test
339		TreeSetTest.suite(),
340		TreeSubMapTest.suite(),
341		TreeSubSetTest.suite());
342	+
343	+	// Java8+ test classes
344	+	if (atLeastJava8()) {
345	+	String[] java8TestClassNames = {
346	+	"Atomic8Test",
347	+	"CompletableFutureTest",
348	+	"ConcurrentHashMap8Test",
349	+	"CountedCompleterTest",
350	+	"DoubleAccumulatorTest",
351	+	"DoubleAdderTest",
352	+	"ForkJoinPool8Test",
353	+	"ForkJoinTask8Test",
354	+	"LongAccumulatorTest",
355	+	"LongAdderTest",
356	+	"SplittableRandomTest",
357	+	"StampedLockTest",
358	+	"ThreadLocalRandom8Test",
359	+	};
360	+	addNamedTestClasses(suite, java8TestClassNames);
361	+	}
362	+
363	+	// Java9+ test classes
364	+	if (atLeastJava9()) {
365	+	String[] java9TestClassNames = {
366	+	"ThreadPoolExecutor9Test",
367	+	};
368	+	addNamedTestClasses(suite, java9TestClassNames);
369	+	}
370	+
371	+	return suite;
372		}
373
374	+	// Delays for timing-dependent tests, in milliseconds.
375
376		public static long SHORT_DELAY_MS;
377		public static long SMALL_DELAY_MS;
378		public static long MEDIUM_DELAY_MS;
379		public static long LONG_DELAY_MS;
380
254	–
381		/**
382		* Returns the shortest timed delay. This could
383		* be reimplemented to use for example a Property.
#	Line 334 | Line 460 | public class JSR166TestCase extends Test
460
461		if (Thread.interrupted())
462		throw new AssertionFailedError("interrupt status set in main thread");
463	+
464	+	checkForkJoinPoolThreadLeaks();
465	+	}
466	+
467	+	/**
468	+	* Finds missing try { ... } finally { joinPool(e); }
469	+	*/
470	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
471	+	Thread[] survivors = new Thread[5];
472	+	int count = Thread.enumerate(survivors);
473	+	for (int i = 0; i < count; i++) {
474	+	Thread thread = survivors[i];
475	+	String name = thread.getName();
476	+	if (name.startsWith("ForkJoinPool-")) {
477	+	// give thread some time to terminate
478	+	thread.join(LONG_DELAY_MS);
479	+	if (!thread.isAlive()) continue;
480	+	thread.stop();
481	+	throw new AssertionFailedError
482	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
483	+	toString(), name));
484	+	}
485	+	}
486		}
487
488		/**
#	Line 497 | Line 646 | public class JSR166TestCase extends Test
646		void joinPool(ExecutorService exec) {
647		try {
648		exec.shutdown();
649	<	assertTrue("ExecutorService did not terminate in a timely manner",
650	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
649	>	if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS))
650	>	fail("ExecutorService " + exec +
651	>	" did not terminate in a timely manner");
652		} catch (SecurityException ok) {
653		// Allowed in case test doesn't have privs
654		} catch (InterruptedException ie) {
#	Line 507 | Line 657 | public class JSR166TestCase extends Test
657		}
658
659		/**
660	+	* A debugging tool to print all stack traces, as jstack does.
661	+	*/
662	+	static void printAllStackTraces() {
663	+	for (ThreadInfo info :
664	+	ManagementFactory.getThreadMXBean()
665	+	.dumpAllThreads(true, true))
666	+	System.err.print(info);
667	+	}
668	+
669	+	/**
670		* Checks that thread does not terminate within the default
671		* millisecond delay of {@code timeoutMillis()}.
672		*/
#	Line 611 | Line 771 | public class JSR166TestCase extends Test
771		public static final Integer m6  = new Integer(-6);
772		public static final Integer m10 = new Integer(-10);
773
614	–
774		/**
775		* Runs Runnable r with a security policy that permits precisely
776		* the specified permissions.  If there is no current security
#	Line 623 | Line 782 | public class JSR166TestCase extends Test
782		SecurityManager sm = System.getSecurityManager();
783		if (sm == null) {
784		r.run();
785	+	}
786	+	runWithSecurityManagerWithPermissions(r, permissions);
787	+	}
788	+
789	+	/**
790	+	* Runs Runnable r with a security policy that permits precisely
791	+	* the specified permissions.  If there is no current security
792	+	* manager, a temporary one is set for the duration of the
793	+	* Runnable.  We require that any security manager permit
794	+	* getPolicy/setPolicy.
795	+	*/
796	+	public void runWithSecurityManagerWithPermissions(Runnable r,
797	+	Permission... permissions) {
798	+	SecurityManager sm = System.getSecurityManager();
799	+	if (sm == null) {
800		Policy savedPolicy = Policy.getPolicy();
801		try {
802		Policy.setPolicy(permissivePolicy());
803		System.setSecurityManager(new SecurityManager());
804	<	runWithPermissions(r, permissions);
804	>	runWithSecurityManagerWithPermissions(r, permissions);
805		} finally {
806		System.setSecurityManager(null);
807		Policy.setPolicy(savedPolicy);
#	Line 675 | Line 849 | public class JSR166TestCase extends Test
849		return perms.implies(p);
850		}
851		public void refresh() {}
852	+	public String toString() {
853	+	List<Permission> ps = new ArrayList<Permission>();
854	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
855	+	ps.add(e.nextElement());
856	+	return "AdjustablePolicy with permissions " + ps;
857	+	}
858		}
859
860		/**
#	Line 744 | Line 924 | public class JSR166TestCase extends Test
924		/**
925		* Returns the number of milliseconds since time given by
926		* startNanoTime, which must have been previously returned from a
927	<	* call to {@link System.nanoTime()}.
927	>	* call to {@link System#nanoTime()}.
928		*/
929	<	long millisElapsedSince(long startNanoTime) {
929	>	static long millisElapsedSince(long startNanoTime) {
930		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
931		}
932
933	+	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
934	+	//         long startTime = System.nanoTime();
935	+	//         try {
936	+	//             r.run();
937	+	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
938	+	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
939	+	//             throw new AssertionFailedError("did not return promptly");
940	+	//     }
941	+
942	+	//     void assertTerminatesPromptly(Runnable r) {
943	+	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
944	+	//     }
945	+
946	+	/**
947	+	* Checks that timed f.get() returns the expected value, and does not
948	+	* wait for the timeout to elapse before returning.
949	+	*/
950	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
951	+	long startTime = System.nanoTime();
952	+	try {
953	+	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
954	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
955	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
956	+	throw new AssertionFailedError("timed get did not return promptly");
957	+	}
958	+
959	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
960	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
961	+	}
962	+
963		/**
964		* Returns a new started daemon Thread running the given runnable.
965		*/
#	Line 1121 | Line 1331 | public class JSR166TestCase extends Test
1331		public abstract class CheckedRecursiveAction extends RecursiveAction {
1332		protected abstract void realCompute() throws Throwable;
1333
1334	<	public final void compute() {
1334	>	@Override protected final void compute() {
1335		try {
1336		realCompute();
1337		} catch (Throwable t) {
#	Line 1136 | Line 1346 | public class JSR166TestCase extends Test
1346		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1347		protected abstract T realCompute() throws Throwable;
1348
1349	<	public final T compute() {
1349	>	@Override protected final T compute() {
1350		try {
1351		return realCompute();
1352		} catch (Throwable t) {
#	Line 1237 | Line 1447 | public class JSR166TestCase extends Test
1447		return null;
1448		}
1449		}
1450	+
1451	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1452	+	Runnable... throwingActions) {
1453	+	for (Runnable throwingAction : throwingActions) {
1454	+	boolean threw = false;
1455	+	try { throwingAction.run(); }
1456	+	catch (Throwable t) {
1457	+	threw = true;
1458	+	if (!expectedExceptionClass.isInstance(t)) {
1459	+	AssertionFailedError afe =
1460	+	new AssertionFailedError
1461	+	("Expected " + expectedExceptionClass.getName() +
1462	+	", got " + t.getClass().getName());
1463	+	afe.initCause(t);
1464	+	threadUnexpectedException(afe);
1465	+	}
1466	+	}
1467	+	if (!threw)
1468	+	shouldThrow(expectedExceptionClass.getName());
1469	+	}
1470	+	}
1471		}

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