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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.87 by jsr166, Mon May 30 22:53:21 2011 UTC vs.
Revision 1.118 by jsr166, Mon Jun 16 18:01:38 2014 UTC

#	Line 11 | Line 11 | import java.io.ByteArrayInputStream;
11		import java.io.ByteArrayOutputStream;
12		import java.io.ObjectInputStream;
13		import java.io.ObjectOutputStream;
14	+	import java.lang.management.ManagementFactory;
15	+	import java.lang.management.ThreadInfo;
16	+	import java.lang.reflect.Method;
17	+	import java.util.ArrayList;
18		import java.util.Arrays;
19		import java.util.Date;
20	+	import java.util.Enumeration;
21	+	import java.util.List;
22		import java.util.NoSuchElementException;
23		import java.util.PropertyPermission;
24		import java.util.concurrent.*;
#	Line 20 | Line 26 | import java.util.concurrent.atomic.Atomi
26		import java.util.concurrent.atomic.AtomicReference;
27		import static java.util.concurrent.TimeUnit.MILLISECONDS;
28		import static java.util.concurrent.TimeUnit.NANOSECONDS;
29	+	import java.util.regex.Pattern;
30		import java.security.CodeSource;
31		import java.security.Permission;
32		import java.security.PermissionCollection;
#	Line 69 | Line 76 | import java.security.SecurityPermission;
76		*
77		* </ol>
78		*
79	<	* <p> <b>Other notes</b>
79	>	* <p><b>Other notes</b>
80		* <ul>
81		*
82		* <li> Usually, there is one testcase method per JSR166 method
#	Line 108 | Line 115 | public class JSR166TestCase extends Test
115		protected static final boolean expensiveTests =
116		Boolean.getBoolean("jsr166.expensiveTests");
117
118	+	protected static final boolean testImplementationDetails =
119	+	Boolean.getBoolean("jsr166.testImplementationDetails");
120	+
121		/**
122		* If true, report on stdout all "slow" tests, that is, ones that
123		* take more than profileThreshold milliseconds to execute.
#	Line 122 | Line 132 | public class JSR166TestCase extends Test
132		private static final long profileThreshold =
133		Long.getLong("jsr166.profileThreshold", 100);
134
135	+	/**
136	+	* The number of repetitions per test (for tickling rare bugs).
137	+	*/
138	+	private static final int runsPerTest =
139	+	Integer.getInteger("jsr166.runsPerTest", 1);
140	+
141	+	/**
142	+	* A filter for tests to run, matching strings of the form
143	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
144	+	* Usefully combined with jsr166.runsPerTest.
145	+	*/
146	+	private static final Pattern methodFilter = methodFilter();
147	+
148	+	private static Pattern methodFilter() {
149	+	String regex = System.getProperty("jsr166.methodFilter");
150	+	return (regex == null) ? null : Pattern.compile(regex);
151	+	}
152	+
153		protected void runTest() throws Throwable {
154	<	if (profileTests)
155	<	runTestProfiled();
156	<	else
157	<	super.runTest();
154	>	if (methodFilter == null
155	>	|| methodFilter.matcher(toString()).find()) {
156	>	for (int i = 0; i < runsPerTest; i++) {
157	>	if (profileTests)
158	>	runTestProfiled();
159	>	else
160	>	super.runTest();
161	>	}
162	>	}
163		}
164
165		protected void runTestProfiled() throws Throwable {
166	+	// Warmup run, notably to trigger all needed classloading.
167	+	super.runTest();
168		long t0 = System.nanoTime();
169		try {
170		super.runTest();
171		} finally {
172	<	long elapsedMillis =
138	<	(System.nanoTime() - t0) / (1000L * 1000L);
172	>	long elapsedMillis = millisElapsedSince(t0);
173		if (elapsedMillis >= profileThreshold)
174		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
175		}
176		}
177
178		/**
179	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
179	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
180	>	* Optional command line arg provides the number of iterations to
181	>	* repeat running the tests.
182		*/
183		public static void main(String[] args) {
184		if (useSecurityManager) {
#	Line 174 | Line 210 | public class JSR166TestCase extends Test
210		return suite;
211		}
212
213	+	public static void addNamedTestClasses(TestSuite suite,
214	+	String... testClassNames) {
215	+	for (String testClassName : testClassNames) {
216	+	try {
217	+	Class<?> testClass = Class.forName(testClassName);
218	+	Method m = testClass.getDeclaredMethod("suite",
219	+	new Class<?>[0]);
220	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
221	+	} catch (Exception e) {
222	+	throw new Error("Missing test class", e);
223	+	}
224	+	}
225	+	}
226	+
227	+	public static final double JAVA_CLASS_VERSION;
228	+	public static final String JAVA_SPECIFICATION_VERSION;
229	+	static {
230	+	try {
231	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
232	+	new java.security.PrivilegedAction<Double>() {
233	+	public Double run() {
234	+	return Double.valueOf(System.getProperty("java.class.version"));}});
235	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
236	+	new java.security.PrivilegedAction<String>() {
237	+	public String run() {
238	+	return System.getProperty("java.specification.version");}});
239	+	} catch (Throwable t) {
240	+	throw new Error(t);
241	+	}
242	+	}
243	+
244	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
245	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
246	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
247	+	public static boolean atLeastJava9() {
248	+	// As of 2014-05, java9 still uses 52.0 class file version
249	+	return JAVA_SPECIFICATION_VERSION.startsWith("1.9");
250	+	}
251	+
252		/**
253		* Collects all JSR166 unit tests as one suite.
254		*/
255		public static Test suite() {
256	<	return newTestSuite(
256	>	// Java7+ test classes
257	>	TestSuite suite = newTestSuite(
258		ForkJoinPoolTest.suite(),
259		ForkJoinTaskTest.suite(),
260		RecursiveActionTest.suite(),
#	Line 243 | Line 319 | public class JSR166TestCase extends Test
319		TreeSetTest.suite(),
320		TreeSubMapTest.suite(),
321		TreeSubSetTest.suite());
322	+
323	+	// Java8+ test classes
324	+	if (atLeastJava8()) {
325	+	String[] java8TestClassNames = {
326	+	"Atomic8Test",
327	+	"CompletableFutureTest",
328	+	"ConcurrentHashMap8Test",
329	+	"CountedCompleterTest",
330	+	"DoubleAccumulatorTest",
331	+	"DoubleAdderTest",
332	+	"ForkJoinPool8Test",
333	+	"ForkJoinTask8Test",
334	+	"LongAccumulatorTest",
335	+	"LongAdderTest",
336	+	"SplittableRandomTest",
337	+	"StampedLockTest",
338	+	"ThreadLocalRandom8Test",
339	+	};
340	+	addNamedTestClasses(suite, java8TestClassNames);
341	+	}
342	+
343	+	// Java9+ test classes
344	+	if (atLeastJava9()) {
345	+	String[] java9TestClassNames = {
346	+	"ThreadPoolExecutor9Test",
347	+	};
348	+	addNamedTestClasses(suite, java9TestClassNames);
349	+	}
350	+
351	+	return suite;
352		}
353
354	+	// Delays for timing-dependent tests, in milliseconds.
355
356		public static long SHORT_DELAY_MS;
357		public static long SMALL_DELAY_MS;
358		public static long MEDIUM_DELAY_MS;
359		public static long LONG_DELAY_MS;
360
254	–
361		/**
362		* Returns the shortest timed delay. This could
363		* be reimplemented to use for example a Property.
#	Line 334 | Line 440 | public class JSR166TestCase extends Test
440
441		if (Thread.interrupted())
442		throw new AssertionFailedError("interrupt status set in main thread");
443	+
444	+	checkForkJoinPoolThreadLeaks();
445	+	}
446	+
447	+	/**
448	+	* Find missing try { ... } finally { joinPool(e); }
449	+	*/
450	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
451	+	Thread[] survivors = new Thread[5];
452	+	int count = Thread.enumerate(survivors);
453	+	for (int i = 0; i < count; i++) {
454	+	Thread thread = survivors[i];
455	+	String name = thread.getName();
456	+	if (name.startsWith("ForkJoinPool-")) {
457	+	// give thread some time to terminate
458	+	thread.join(LONG_DELAY_MS);
459	+	if (!thread.isAlive()) continue;
460	+	thread.stop();
461	+	throw new AssertionFailedError
462	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
463	+	toString(), name));
464	+	}
465	+	}
466		}
467
468		/**
#	Line 507 | Line 636 | public class JSR166TestCase extends Test
636		}
637
638		/**
639	+	* A debugging tool to print all stack traces, as jstack does.
640	+	*/
641	+	static void printAllStackTraces() {
642	+	for (ThreadInfo info :
643	+	ManagementFactory.getThreadMXBean()
644	+	.dumpAllThreads(true, true))
645	+	System.err.print(info);
646	+	}
647	+
648	+	/**
649		* Checks that thread does not terminate within the default
650		* millisecond delay of {@code timeoutMillis()}.
651		*/
#	Line 528 | Line 667 | public class JSR166TestCase extends Test
667		}
668
669		/**
670	+	* Checks that the threads do not terminate within the default
671	+	* millisecond delay of {@code timeoutMillis()}.
672	+	*/
673	+	void assertThreadsStayAlive(Thread... threads) {
674	+	assertThreadsStayAlive(timeoutMillis(), threads);
675	+	}
676	+
677	+	/**
678	+	* Checks that the threads do not terminate within the given millisecond delay.
679	+	*/
680	+	void assertThreadsStayAlive(long millis, Thread... threads) {
681	+	try {
682	+	// No need to optimize the failing case via Thread.join.
683	+	delay(millis);
684	+	for (Thread thread : threads)
685	+	assertTrue(thread.isAlive());
686	+	} catch (InterruptedException ie) {
687	+	fail("Unexpected InterruptedException");
688	+	}
689	+	}
690	+
691	+	/**
692		* Checks that future.get times out, with the default timeout of
693		* {@code timeoutMillis()}.
694		*/
#	Line 589 | Line 750 | public class JSR166TestCase extends Test
750		public static final Integer m6  = new Integer(-6);
751		public static final Integer m10 = new Integer(-10);
752
592	–
753		/**
754		* Runs Runnable r with a security policy that permits precisely
755		* the specified permissions.  If there is no current security
#	Line 601 | Line 761 | public class JSR166TestCase extends Test
761		SecurityManager sm = System.getSecurityManager();
762		if (sm == null) {
763		r.run();
764	+	}
765	+	runWithSecurityManagerWithPermissions(r, permissions);
766	+	}
767	+
768	+	/**
769	+	* Runs Runnable r with a security policy that permits precisely
770	+	* the specified permissions.  If there is no current security
771	+	* manager, a temporary one is set for the duration of the
772	+	* Runnable.  We require that any security manager permit
773	+	* getPolicy/setPolicy.
774	+	*/
775	+	public void runWithSecurityManagerWithPermissions(Runnable r,
776	+	Permission... permissions) {
777	+	SecurityManager sm = System.getSecurityManager();
778	+	if (sm == null) {
779		Policy savedPolicy = Policy.getPolicy();
780		try {
781		Policy.setPolicy(permissivePolicy());
782		System.setSecurityManager(new SecurityManager());
783	<	runWithPermissions(r, permissions);
783	>	runWithSecurityManagerWithPermissions(r, permissions);
784		} finally {
785		System.setSecurityManager(null);
786		Policy.setPolicy(savedPolicy);
#	Line 653 | Line 828 | public class JSR166TestCase extends Test
828		return perms.implies(p);
829		}
830		public void refresh() {}
831	+	public String toString() {
832	+	List<Permission> ps = new ArrayList<Permission>();
833	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
834	+	ps.add(e.nextElement());
835	+	return "AdjustablePolicy with permissions " + ps;
836	+	}
837		}
838
839		/**
#	Line 690 | Line 871 | public class JSR166TestCase extends Test
871		}
872
873		/**
874	<	* Waits up to the specified number of milliseconds for the given
874	>	* Spin-waits up to the specified number of milliseconds for the given
875		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
876		*/
877		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
878	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
698	<	long t0 = System.nanoTime();
878	>	long startTime = System.nanoTime();
879		for (;;) {
880		Thread.State s = thread.getState();
881		if (s == Thread.State.BLOCKED ||
#	Line 704 | Line 884 | public class JSR166TestCase extends Test
884		return;
885		else if (s == Thread.State.TERMINATED)
886		fail("Unexpected thread termination");
887	<	else if (System.nanoTime() - t0 > timeoutNanos) {
887	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
888		threadAssertTrue(thread.isAlive());
889		return;
890		}
#	Line 725 | Line 905 | public class JSR166TestCase extends Test
905		* startNanoTime, which must have been previously returned from a
906		* call to {@link System.nanoTime()}.
907		*/
908	<	long millisElapsedSince(long startNanoTime) {
908	>	static long millisElapsedSince(long startNanoTime) {
909		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
910		}
911
#	Line 905 | Line 1085 | public class JSR166TestCase extends Test
1085		}
1086		}
1087
1088	+	public void await(Semaphore semaphore) {
1089	+	try {
1090	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1091	+	} catch (Throwable t) {
1092	+	threadUnexpectedException(t);
1093	+	}
1094	+	}
1095	+
1096		//     /**
1097		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1098		//      */
#	Line 1092 | Line 1280 | public class JSR166TestCase extends Test
1280		public abstract class CheckedRecursiveAction extends RecursiveAction {
1281		protected abstract void realCompute() throws Throwable;
1282
1283	<	public final void compute() {
1283	>	@Override protected final void compute() {
1284		try {
1285		realCompute();
1286		} catch (Throwable t) {
#	Line 1107 | Line 1295 | public class JSR166TestCase extends Test
1295		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1296		protected abstract T realCompute() throws Throwable;
1297
1298	<	public final T compute() {
1298	>	@Override protected final T compute() {
1299		try {
1300		return realCompute();
1301		} catch (Throwable t) {
#	Line 1173 | Line 1361 | public class JSR166TestCase extends Test
1361		}
1362		}
1363
1364	<	@SuppressWarnings("unchecked")
1365	<	<T> T serialClone(T o) {
1364	>	void assertSerialEquals(Object x, Object y) {
1365	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1366	>	}
1367	>
1368	>	void assertNotSerialEquals(Object x, Object y) {
1369	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1370	>	}
1371	>
1372	>	byte[] serialBytes(Object o) {
1373		try {
1374		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1375		ObjectOutputStream oos = new ObjectOutputStream(bos);
1376		oos.writeObject(o);
1377		oos.flush();
1378		oos.close();
1379	+	return bos.toByteArray();
1380	+	} catch (Throwable t) {
1381	+	threadUnexpectedException(t);
1382	+	return new byte[0];
1383	+	}
1384	+	}
1385	+
1386	+	@SuppressWarnings("unchecked")
1387	+	<T> T serialClone(T o) {
1388	+	try {
1389		ObjectInputStream ois = new ObjectInputStream
1390	<	(new ByteArrayInputStream(bos.toByteArray()));
1390	>	(new ByteArrayInputStream(serialBytes(o)));
1391		T clone = (T) ois.readObject();
1392		assertSame(o.getClass(), clone.getClass());
1393		return clone;
#	Line 1191 | Line 1396 | public class JSR166TestCase extends Test
1396		return null;
1397		}
1398		}
1399	+
1400	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1401	+	Runnable... throwingActions) {
1402	+	for (Runnable throwingAction : throwingActions) {
1403	+	boolean threw = false;
1404	+	try { throwingAction.run(); }
1405	+	catch (Throwable t) {
1406	+	threw = true;
1407	+	if (!expectedExceptionClass.isInstance(t)) {
1408	+	AssertionFailedError afe =
1409	+	new AssertionFailedError
1410	+	("Expected " + expectedExceptionClass.getName() +
1411	+	", got " + t.getClass().getName());
1412	+	afe.initCause(t);
1413	+	threadUnexpectedException(afe);
1414	+	}
1415	+	}
1416	+	if (!threw)
1417	+	shouldThrow(expectedExceptionClass.getName());
1418	+	}
1419	+	}
1420		}

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