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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 1.122 by jsr166, Wed Dec 31 16:44:02 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.*;
19	–	import java.util.concurrent.atomic.AtomicBoolean;
25		import java.util.concurrent.atomic.AtomicReference;
26		import static java.util.concurrent.TimeUnit.MILLISECONDS;
27		import static java.util.concurrent.TimeUnit.NANOSECONDS;
28	+	import java.util.regex.Pattern;
29		import java.security.CodeSource;
30		import java.security.Permission;
31		import java.security.PermissionCollection;
#	Line 69 | Line 75 | import java.security.SecurityPermission;
75		*
76		* </ol>
77		*
78	<	* <p> <b>Other notes</b>
78	>	* <p><b>Other notes</b>
79		* <ul>
80		*
81		* <li> Usually, there is one testcase method per JSR166 method
#	Line 109 | Line 115 | public class JSR166TestCase extends Test
115		Boolean.getBoolean("jsr166.expensiveTests");
116
117		/**
118	+	* If true, also run tests that are not part of the official tck
119	+	* because they test unspecified implementation details.
120	+	*/
121	+	protected static final boolean testImplementationDetails =
122	+	Boolean.getBoolean("jsr166.testImplementationDetails");
123	+
124	+	/**
125		* If true, report on stdout all "slow" tests, that is, ones that
126		* take more than profileThreshold milliseconds to execute.
127		*/
#	Line 122 | Line 135 | public class JSR166TestCase extends Test
135		private static final long profileThreshold =
136		Long.getLong("jsr166.profileThreshold", 100);
137
138	+	/**
139	+	* The number of repetitions per test (for tickling rare bugs).
140	+	*/
141	+	private static final int runsPerTest =
142	+	Integer.getInteger("jsr166.runsPerTest", 1);
143	+
144	+	/**
145	+	* A filter for tests to run, matching strings of the form
146	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
147	+	* Usefully combined with jsr166.runsPerTest.
148	+	*/
149	+	private static final Pattern methodFilter = methodFilter();
150	+
151	+	private static Pattern methodFilter() {
152	+	String regex = System.getProperty("jsr166.methodFilter");
153	+	return (regex == null) ? null : Pattern.compile(regex);
154	+	}
155	+
156		protected void runTest() throws Throwable {
157	<	if (profileTests)
158	<	runTestProfiled();
159	<	else
160	<	super.runTest();
157	>	if (methodFilter == null
158	>	|| methodFilter.matcher(toString()).find()) {
159	>	for (int i = 0; i < runsPerTest; i++) {
160	>	if (profileTests)
161	>	runTestProfiled();
162	>	else
163	>	super.runTest();
164	>	}
165	>	}
166		}
167
168		protected void runTestProfiled() throws Throwable {
169	+	// Warmup run, notably to trigger all needed classloading.
170	+	super.runTest();
171		long t0 = System.nanoTime();
172		try {
173		super.runTest();
174		} finally {
175	<	long elapsedMillis =
138	<	(System.nanoTime() - t0) / (1000L * 1000L);
175	>	long elapsedMillis = millisElapsedSince(t0);
176		if (elapsedMillis >= profileThreshold)
177		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
178		}
179		}
180
181		/**
182	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
182	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
183	>	* Optional command line arg provides the number of iterations to
184	>	* repeat running the tests.
185		*/
186		public static void main(String[] args) {
187		if (useSecurityManager) {
#	Line 174 | Line 213 | public class JSR166TestCase extends Test
213		return suite;
214		}
215
216	+	public static void addNamedTestClasses(TestSuite suite,
217	+	String... testClassNames) {
218	+	for (String testClassName : testClassNames) {
219	+	try {
220	+	Class<?> testClass = Class.forName(testClassName);
221	+	Method m = testClass.getDeclaredMethod("suite",
222	+	new Class<?>[0]);
223	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
224	+	} catch (Exception e) {
225	+	throw new Error("Missing test class", e);
226	+	}
227	+	}
228	+	}
229	+
230	+	public static final double JAVA_CLASS_VERSION;
231	+	public static final String JAVA_SPECIFICATION_VERSION;
232	+	static {
233	+	try {
234	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
235	+	new java.security.PrivilegedAction<Double>() {
236	+	public Double run() {
237	+	return Double.valueOf(System.getProperty("java.class.version"));}});
238	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
239	+	new java.security.PrivilegedAction<String>() {
240	+	public String run() {
241	+	return System.getProperty("java.specification.version");}});
242	+	} catch (Throwable t) {
243	+	throw new Error(t);
244	+	}
245	+	}
246	+
247	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
248	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
249	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
250	+	public static boolean atLeastJava9() {
251	+	// As of 2014-05, java9 still uses 52.0 class file version
252	+	return JAVA_SPECIFICATION_VERSION.startsWith("1.9");
253	+	}
254	+
255		/**
256		* Collects all JSR166 unit tests as one suite.
257		*/
258		public static Test suite() {
259	<	return newTestSuite(
259	>	// Java7+ test classes
260	>	TestSuite suite = newTestSuite(
261		ForkJoinPoolTest.suite(),
262		ForkJoinTaskTest.suite(),
263		RecursiveActionTest.suite(),
#	Line 243 | Line 322 | public class JSR166TestCase extends Test
322		TreeSetTest.suite(),
323		TreeSubMapTest.suite(),
324		TreeSubSetTest.suite());
325	+
326	+	// Java8+ test classes
327	+	if (atLeastJava8()) {
328	+	String[] java8TestClassNames = {
329	+	"Atomic8Test",
330	+	"CompletableFutureTest",
331	+	"ConcurrentHashMap8Test",
332	+	"CountedCompleterTest",
333	+	"DoubleAccumulatorTest",
334	+	"DoubleAdderTest",
335	+	"ForkJoinPool8Test",
336	+	"ForkJoinTask8Test",
337	+	"LongAccumulatorTest",
338	+	"LongAdderTest",
339	+	"SplittableRandomTest",
340	+	"StampedLockTest",
341	+	"ThreadLocalRandom8Test",
342	+	};
343	+	addNamedTestClasses(suite, java8TestClassNames);
344	+	}
345	+
346	+	// Java9+ test classes
347	+	if (atLeastJava9()) {
348	+	String[] java9TestClassNames = {
349	+	"ThreadPoolExecutor9Test",
350	+	};
351	+	addNamedTestClasses(suite, java9TestClassNames);
352	+	}
353	+
354	+	return suite;
355		}
356
357	+	// Delays for timing-dependent tests, in milliseconds.
358
359		public static long SHORT_DELAY_MS;
360		public static long SMALL_DELAY_MS;
361		public static long MEDIUM_DELAY_MS;
362		public static long LONG_DELAY_MS;
363
254	–
364		/**
365		* Returns the shortest timed delay. This could
366		* be reimplemented to use for example a Property.
#	Line 334 | Line 443 | public class JSR166TestCase extends Test
443
444		if (Thread.interrupted())
445		throw new AssertionFailedError("interrupt status set in main thread");
446	+
447	+	checkForkJoinPoolThreadLeaks();
448	+	}
449	+
450	+	/**
451	+	* Find missing try { ... } finally { joinPool(e); }
452	+	*/
453	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
454	+	Thread[] survivors = new Thread[5];
455	+	int count = Thread.enumerate(survivors);
456	+	for (int i = 0; i < count; i++) {
457	+	Thread thread = survivors[i];
458	+	String name = thread.getName();
459	+	if (name.startsWith("ForkJoinPool-")) {
460	+	// give thread some time to terminate
461	+	thread.join(LONG_DELAY_MS);
462	+	if (!thread.isAlive()) continue;
463	+	thread.stop();
464	+	throw new AssertionFailedError
465	+	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
466	+	toString(), name));
467	+	}
468	+	}
469		}
470
471		/**
#	Line 497 | Line 629 | public class JSR166TestCase extends Test
629		void joinPool(ExecutorService exec) {
630		try {
631		exec.shutdown();
632	<	assertTrue("ExecutorService did not terminate in a timely manner",
633	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
632	>	if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS))
633	>	fail("ExecutorService " + exec +
634	>	" did not terminate in a timely manner");
635		} catch (SecurityException ok) {
636		// Allowed in case test doesn't have privs
637		} catch (InterruptedException ie) {
#	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 690 | Line 875 | public class JSR166TestCase extends Test
875		}
876
877		/**
878	<	* Waits up to the specified number of milliseconds for the given
878	>	* Spin-waits up to the specified number of milliseconds for the given
879		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
880		*/
881		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
882	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
698	<	long t0 = System.nanoTime();
882	>	long startTime = System.nanoTime();
883		for (;;) {
884		Thread.State s = thread.getState();
885		if (s == Thread.State.BLOCKED ||
#	Line 704 | Line 888 | public class JSR166TestCase extends Test
888		return;
889		else if (s == Thread.State.TERMINATED)
890		fail("Unexpected thread termination");
891	<	else if (System.nanoTime() - t0 > timeoutNanos) {
891	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
892		threadAssertTrue(thread.isAlive());
893		return;
894		}
#	Line 725 | 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
916	+	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
917	+	//         long startTime = System.nanoTime();
918	+	//         try {
919	+	//             r.run();
920	+	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
921	+	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
922	+	//             throw new AssertionFailedError("did not return promptly");
923	+	//     }
924	+
925	+	//     void assertTerminatesPromptly(Runnable r) {
926	+	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
927	+	//     }
928	+
929	+	/**
930	+	* Checks that timed f.get() returns the expected value, and does not
931	+	* wait for the timeout to elapse before returning.
932	+	*/
933	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
934	+	long startTime = System.nanoTime();
935	+	try {
936	+	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
937	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
938	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
939	+	throw new AssertionFailedError("timed get did not return promptly");
940	+	}
941	+
942	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
943	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
944	+	}
945	+
946		/**
947		* Returns a new started daemon Thread running the given runnable.
948		*/
#	Line 905 | Line 1119 | public class JSR166TestCase extends Test
1119		}
1120		}
1121
1122	+	public void await(Semaphore semaphore) {
1123	+	try {
1124	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1125	+	} catch (Throwable t) {
1126	+	threadUnexpectedException(t);
1127	+	}
1128	+	}
1129	+
1130		//     /**
1131		//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1132		//      */
#	Line 1092 | Line 1314 | public class JSR166TestCase extends Test
1314		public abstract class CheckedRecursiveAction extends RecursiveAction {
1315		protected abstract void realCompute() throws Throwable;
1316
1317	<	public final void compute() {
1317	>	@Override protected final void compute() {
1318		try {
1319		realCompute();
1320		} catch (Throwable t) {
#	Line 1107 | Line 1329 | public class JSR166TestCase extends Test
1329		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1330		protected abstract T realCompute() throws Throwable;
1331
1332	<	public final T compute() {
1332	>	@Override protected final T compute() {
1333		try {
1334		return realCompute();
1335		} catch (Throwable t) {
#	Line 1173 | Line 1395 | public class JSR166TestCase extends Test
1395		}
1396		}
1397
1398	<	@SuppressWarnings("unchecked")
1399	<	<T> T serialClone(T o) {
1398	>	void assertSerialEquals(Object x, Object y) {
1399	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1400	>	}
1401	>
1402	>	void assertNotSerialEquals(Object x, Object y) {
1403	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1404	>	}
1405	>
1406	>	byte[] serialBytes(Object o) {
1407		try {
1408		ByteArrayOutputStream bos = new ByteArrayOutputStream();
1409		ObjectOutputStream oos = new ObjectOutputStream(bos);
1410		oos.writeObject(o);
1411		oos.flush();
1412		oos.close();
1413	+	return bos.toByteArray();
1414	+	} catch (Throwable t) {
1415	+	threadUnexpectedException(t);
1416	+	return new byte[0];
1417	+	}
1418	+	}
1419	+
1420	+	@SuppressWarnings("unchecked")
1421	+	<T> T serialClone(T o) {
1422	+	try {
1423		ObjectInputStream ois = new ObjectInputStream
1424	<	(new ByteArrayInputStream(bos.toByteArray()));
1424	>	(new ByteArrayInputStream(serialBytes(o)));
1425		T clone = (T) ois.readObject();
1426		assertSame(o.getClass(), clone.getClass());
1427		return clone;
#	Line 1191 | Line 1430 | public class JSR166TestCase extends Test
1430		return null;
1431		}
1432		}
1433	+
1434	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1435	+	Runnable... throwingActions) {
1436	+	for (Runnable throwingAction : throwingActions) {
1437	+	boolean threw = false;
1438	+	try { throwingAction.run(); }
1439	+	catch (Throwable t) {
1440	+	threw = true;
1441	+	if (!expectedExceptionClass.isInstance(t)) {
1442	+	AssertionFailedError afe =
1443	+	new AssertionFailedError
1444	+	("Expected " + expectedExceptionClass.getName() +
1445	+	", got " + t.getClass().getName());
1446	+	afe.initCause(t);
1447	+	threadUnexpectedException(afe);
1448	+	}
1449	+	}
1450	+	if (!threw)
1451	+	shouldThrow(expectedExceptionClass.getName());
1452	+	}
1453	+	}
1454		}

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