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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.89 by jsr166, Fri Jun 3 05:07:14 2011 UTC vs.
Revision 1.119 by jsr166, Mon Jun 16 20:13:54 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 109 | Line 116 | public class JSR166TestCase extends Test
116		Boolean.getBoolean("jsr166.expensiveTests");
117
118		/**
119	+	* If true, also run tests that are not part of the official tck
120	+	* because they test unspecified implementation details.
121	+	*/
122	+	protected static final boolean testImplementationDetails =
123	+	Boolean.getBoolean("jsr166.testImplementationDetails");
124	+
125	+	/**
126		* If true, report on stdout all "slow" tests, that is, ones that
127		* take more than profileThreshold milliseconds to execute.
128		*/
#	Line 122 | Line 136 | public class JSR166TestCase extends Test
136		private static final long profileThreshold =
137		Long.getLong("jsr166.profileThreshold", 100);
138
139	+	/**
140	+	* The number of repetitions per test (for tickling rare bugs).
141	+	*/
142	+	private static final int runsPerTest =
143	+	Integer.getInteger("jsr166.runsPerTest", 1);
144	+
145	+	/**
146	+	* A filter for tests to run, matching strings of the form
147	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
148	+	* Usefully combined with jsr166.runsPerTest.
149	+	*/
150	+	private static final Pattern methodFilter = methodFilter();
151	+
152	+	private static Pattern methodFilter() {
153	+	String regex = System.getProperty("jsr166.methodFilter");
154	+	return (regex == null) ? null : Pattern.compile(regex);
155	+	}
156	+
157		protected void runTest() throws Throwable {
158	<	if (profileTests)
159	<	runTestProfiled();
160	<	else
161	<	super.runTest();
158	>	if (methodFilter == null
159	>	|| methodFilter.matcher(toString()).find()) {
160	>	for (int i = 0; i < runsPerTest; i++) {
161	>	if (profileTests)
162	>	runTestProfiled();
163	>	else
164	>	super.runTest();
165	>	}
166	>	}
167		}
168
169		protected void runTestProfiled() throws Throwable {
170	+	// Warmup run, notably to trigger all needed classloading.
171	+	super.runTest();
172		long t0 = System.nanoTime();
173		try {
174		super.runTest();
175		} finally {
176	<	long elapsedMillis =
138	<	(System.nanoTime() - t0) / (1000L * 1000L);
176	>	long elapsedMillis = millisElapsedSince(t0);
177		if (elapsedMillis >= profileThreshold)
178		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
179		}
180		}
181
182		/**
183	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
183	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
184	>	* Optional command line arg provides the number of iterations to
185	>	* repeat running the tests.
186		*/
187		public static void main(String[] args) {
188		if (useSecurityManager) {
#	Line 174 | Line 214 | public class JSR166TestCase extends Test
214		return suite;
215		}
216
217	+	public static void addNamedTestClasses(TestSuite suite,
218	+	String... testClassNames) {
219	+	for (String testClassName : testClassNames) {
220	+	try {
221	+	Class<?> testClass = Class.forName(testClassName);
222	+	Method m = testClass.getDeclaredMethod("suite",
223	+	new Class<?>[0]);
224	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
225	+	} catch (Exception e) {
226	+	throw new Error("Missing test class", e);
227	+	}
228	+	}
229	+	}
230	+
231	+	public static final double JAVA_CLASS_VERSION;
232	+	public static final String JAVA_SPECIFICATION_VERSION;
233	+	static {
234	+	try {
235	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
236	+	new java.security.PrivilegedAction<Double>() {
237	+	public Double run() {
238	+	return Double.valueOf(System.getProperty("java.class.version"));}});
239	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
240	+	new java.security.PrivilegedAction<String>() {
241	+	public String run() {
242	+	return System.getProperty("java.specification.version");}});
243	+	} catch (Throwable t) {
244	+	throw new Error(t);
245	+	}
246	+	}
247	+
248	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
249	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
250	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
251	+	public static boolean atLeastJava9() {
252	+	// As of 2014-05, java9 still uses 52.0 class file version
253	+	return JAVA_SPECIFICATION_VERSION.startsWith("1.9");
254	+	}
255	+
256		/**
257		* Collects all JSR166 unit tests as one suite.
258		*/
259		public static Test suite() {
260	<	return newTestSuite(
260	>	// Java7+ test classes
261	>	TestSuite suite = newTestSuite(
262		ForkJoinPoolTest.suite(),
263		ForkJoinTaskTest.suite(),
264		RecursiveActionTest.suite(),
#	Line 243 | Line 323 | public class JSR166TestCase extends Test
323		TreeSetTest.suite(),
324		TreeSubMapTest.suite(),
325		TreeSubSetTest.suite());
326	+
327	+	// Java8+ test classes
328	+	if (atLeastJava8()) {
329	+	String[] java8TestClassNames = {
330	+	"Atomic8Test",
331	+	"CompletableFutureTest",
332	+	"ConcurrentHashMap8Test",
333	+	"CountedCompleterTest",
334	+	"DoubleAccumulatorTest",
335	+	"DoubleAdderTest",
336	+	"ForkJoinPool8Test",
337	+	"ForkJoinTask8Test",
338	+	"LongAccumulatorTest",
339	+	"LongAdderTest",
340	+	"SplittableRandomTest",
341	+	"StampedLockTest",
342	+	"ThreadLocalRandom8Test",
343	+	};
344	+	addNamedTestClasses(suite, java8TestClassNames);
345	+	}
346	+
347	+	// Java9+ test classes
348	+	if (atLeastJava9()) {
349	+	String[] java9TestClassNames = {
350	+	"ThreadPoolExecutor9Test",
351	+	};
352	+	addNamedTestClasses(suite, java9TestClassNames);
353	+	}
354	+
355	+	return suite;
356		}
357
358	+	// Delays for timing-dependent tests, in milliseconds.
359
360		public static long SHORT_DELAY_MS;
361		public static long SMALL_DELAY_MS;
362		public static long MEDIUM_DELAY_MS;
363		public static long LONG_DELAY_MS;
364
254	–
365		/**
366		* Returns the shortest timed delay. This could
367		* be reimplemented to use for example a Property.
#	Line 334 | Line 444 | public class JSR166TestCase extends Test
444
445		if (Thread.interrupted())
446		throw new AssertionFailedError("interrupt status set in main thread");
447	+
448	+	checkForkJoinPoolThreadLeaks();
449	+	}
450	+
451	+	/**
452	+	* Find missing try { ... } finally { joinPool(e); }
453	+	*/
454	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
455	+	Thread[] survivors = new Thread[5];
456	+	int count = Thread.enumerate(survivors);
457	+	for (int i = 0; i < count; i++) {
458	+	Thread thread = survivors[i];
459	+	String name = thread.getName();
460	+	if (name.startsWith("ForkJoinPool-")) {
461	+	// give thread some time to terminate
462	+	thread.join(LONG_DELAY_MS);
463	+	if (!thread.isAlive()) continue;
464	+	thread.stop();
465	+	throw new AssertionFailedError
466	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
467	+	toString(), name));
468	+	}
469	+	}
470		}
471
472		/**
#	Line 507 | Line 640 | public class JSR166TestCase extends Test
640		}
641
642		/**
643	+	* A debugging tool to print all stack traces, as jstack does.
644	+	*/
645	+	static void printAllStackTraces() {
646	+	for (ThreadInfo info :
647	+	ManagementFactory.getThreadMXBean()
648	+	.dumpAllThreads(true, true))
649	+	System.err.print(info);
650	+	}
651	+
652	+	/**
653		* Checks that thread does not terminate within the default
654		* millisecond delay of {@code timeoutMillis()}.
655		*/
#	Line 528 | Line 671 | public class JSR166TestCase extends Test
671		}
672
673		/**
674	+	* Checks that the threads do not terminate within the default
675	+	* millisecond delay of {@code timeoutMillis()}.
676	+	*/
677	+	void assertThreadsStayAlive(Thread... threads) {
678	+	assertThreadsStayAlive(timeoutMillis(), threads);
679	+	}
680	+
681	+	/**
682	+	* Checks that the threads do not terminate within the given millisecond delay.
683	+	*/
684	+	void assertThreadsStayAlive(long millis, Thread... threads) {
685	+	try {
686	+	// No need to optimize the failing case via Thread.join.
687	+	delay(millis);
688	+	for (Thread thread : threads)
689	+	assertTrue(thread.isAlive());
690	+	} catch (InterruptedException ie) {
691	+	fail("Unexpected InterruptedException");
692	+	}
693	+	}
694	+
695	+	/**
696		* Checks that future.get times out, with the default timeout of
697		* {@code timeoutMillis()}.
698		*/
#	Line 589 | Line 754 | public class JSR166TestCase extends Test
754		public static final Integer m6  = new Integer(-6);
755		public static final Integer m10 = new Integer(-10);
756
592	–
757		/**
758		* Runs Runnable r with a security policy that permits precisely
759		* the specified permissions.  If there is no current security
#	Line 601 | Line 765 | public class JSR166TestCase extends Test
765		SecurityManager sm = System.getSecurityManager();
766		if (sm == null) {
767		r.run();
768	+	}
769	+	runWithSecurityManagerWithPermissions(r, permissions);
770	+	}
771	+
772	+	/**
773	+	* Runs Runnable r with a security policy that permits precisely
774	+	* the specified permissions.  If there is no current security
775	+	* manager, a temporary one is set for the duration of the
776	+	* Runnable.  We require that any security manager permit
777	+	* getPolicy/setPolicy.
778	+	*/
779	+	public void runWithSecurityManagerWithPermissions(Runnable r,
780	+	Permission... permissions) {
781	+	SecurityManager sm = System.getSecurityManager();
782	+	if (sm == null) {
783		Policy savedPolicy = Policy.getPolicy();
784		try {
785		Policy.setPolicy(permissivePolicy());
786		System.setSecurityManager(new SecurityManager());
787	<	runWithPermissions(r, permissions);
787	>	runWithSecurityManagerWithPermissions(r, permissions);
788		} finally {
789		System.setSecurityManager(null);
790		Policy.setPolicy(savedPolicy);
#	Line 653 | Line 832 | public class JSR166TestCase extends Test
832		return perms.implies(p);
833		}
834		public void refresh() {}
835	+	public String toString() {
836	+	List<Permission> ps = new ArrayList<Permission>();
837	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
838	+	ps.add(e.nextElement());
839	+	return "AdjustablePolicy with permissions " + ps;
840	+	}
841		}
842
843		/**
#	Line 724 | Line 909 | public class JSR166TestCase extends Test
909		* startNanoTime, which must have been previously returned from a
910		* call to {@link System.nanoTime()}.
911		*/
912	<	long millisElapsedSince(long startNanoTime) {
912	>	static long millisElapsedSince(long startNanoTime) {
913		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
914		}
915
#	Line 1099 | Line 1284 | public class JSR166TestCase extends Test
1284		public abstract class CheckedRecursiveAction extends RecursiveAction {
1285		protected abstract void realCompute() throws Throwable;
1286
1287	<	public final void compute() {
1287	>	@Override protected final void compute() {
1288		try {
1289		realCompute();
1290		} catch (Throwable t) {
#	Line 1114 | Line 1299 | public class JSR166TestCase extends Test
1299		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1300		protected abstract T realCompute() throws Throwable;
1301
1302	<	public final T compute() {
1302	>	@Override protected final T compute() {
1303		try {
1304		return realCompute();
1305		} catch (Throwable t) {
#	Line 1180 | Line 1365 | public class JSR166TestCase extends Test
1365		}
1366		}
1367
1368	<	@SuppressWarnings("unchecked")
1369	<	<T> T serialClone(T o) {
1368	>	void assertSerialEquals(Object x, Object y) {
1369	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1370	>	}
1371	>
1372	>	void assertNotSerialEquals(Object x, Object y) {
1373	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1374	>	}
1375	>
1376	>	byte[] serialBytes(Object o) {
1377		try {
1378		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1379		ObjectOutputStream oos = new ObjectOutputStream(bos);
1380		oos.writeObject(o);
1381		oos.flush();
1382		oos.close();
1383	+	return bos.toByteArray();
1384	+	} catch (Throwable t) {
1385	+	threadUnexpectedException(t);
1386	+	return new byte[0];
1387	+	}
1388	+	}
1389	+
1390	+	@SuppressWarnings("unchecked")
1391	+	<T> T serialClone(T o) {
1392	+	try {
1393		ObjectInputStream ois = new ObjectInputStream
1394	<	(new ByteArrayInputStream(bos.toByteArray()));
1394	>	(new ByteArrayInputStream(serialBytes(o)));
1395		T clone = (T) ois.readObject();
1396		assertSame(o.getClass(), clone.getClass());
1397		return clone;
#	Line 1198 | Line 1400 | public class JSR166TestCase extends Test
1400		return null;
1401		}
1402		}
1403	+
1404	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1405	+	Runnable... throwingActions) {
1406	+	for (Runnable throwingAction : throwingActions) {
1407	+	boolean threw = false;
1408	+	try { throwingAction.run(); }
1409	+	catch (Throwable t) {
1410	+	threw = true;
1411	+	if (!expectedExceptionClass.isInstance(t)) {
1412	+	AssertionFailedError afe =
1413	+	new AssertionFailedError
1414	+	("Expected " + expectedExceptionClass.getName() +
1415	+	", got " + t.getClass().getName());
1416	+	afe.initCause(t);
1417	+	threadUnexpectedException(afe);
1418	+	}
1419	+	}
1420	+	if (!threw)
1421	+	shouldThrow(expectedExceptionClass.getName());
1422	+	}
1423	+	}
1424		}

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