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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.265 by jsr166, Sat Sep 7 15:03:44 2019 UTC vs.
Revision 1.275 by dl, Tue Mar 22 21:29:24 2022 UTC

#	Line 49 | Line 49 | import java.io.ByteArrayOutputStream;
49		import java.io.ObjectInputStream;
50		import java.io.ObjectOutputStream;
51		import java.lang.management.ManagementFactory;
52	+	import java.lang.management.LockInfo;
53		import java.lang.management.ThreadInfo;
54		import java.lang.management.ThreadMXBean;
55		import java.lang.reflect.Constructor;
#	Line 73 | Line 74 | import java.util.Iterator;
74		import java.util.List;
75		import java.util.NoSuchElementException;
76		import java.util.PropertyPermission;
77	+	import java.util.Queue;
78		import java.util.Set;
79		import java.util.concurrent.BlockingQueue;
80		import java.util.concurrent.Callable;
#	Line 149 | Line 151 | import junit.framework.TestSuite;
151		* but even so, if there is ever any doubt, they can all be increased
152		* in one spot to rerun tests on slower platforms.
153		*
154	+	* Class Item is used for elements of collections and related
155	+	* purposes. Many tests rely on their keys being equal to ints. To
156	+	* check these, methods mustEqual, mustContain, etc adapt the JUnit
157	+	* assert methods to intercept ints.
158	+	*
159		* <li>All threads generated must be joined inside each test case
160		* method (or {@code fail} to do so) before returning from the
161		* method. The {@code joinPool} method can be used to do this when
#	Line 188 | Line 195 | import junit.framework.TestSuite;
195		* </ul>
196		*/
197		public class JSR166TestCase extends TestCase {
198	+	// No longer run with custom securityManagers
199		private static final boolean useSecurityManager =
200	<	Boolean.getBoolean("jsr166.useSecurityManager");
200	>	Boolean.getBoolean("jsr166.useSecurityManager");
201
202		protected static final boolean expensiveTests =
203		Boolean.getBoolean("jsr166.expensiveTests");
#	Line 243 | Line 251 | public class JSR166TestCase extends Test
251		}
252		}
253
254	+	private static final ThreadMXBean THREAD_MXBEAN
255	+	= ManagementFactory.getThreadMXBean();
256	+
257		/**
258		* The scaling factor to apply to standard delays used in tests.
259		* May be initialized from any of:
#	Line 354 | Line 365 | public class JSR166TestCase extends Test
365		// Never report first run of any test; treat it as a
366		// warmup run, notably to trigger all needed classloading,
367		if (i > 0)
368	<	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
368	>	System.out.printf("%s: %d%n", toString(), elapsedMillis);
369		}
370		}
371
#	Line 397 | Line 408 | public class JSR166TestCase extends Test
408		* Runs all unit tests in the given test suite.
409		* Actual behavior influenced by jsr166.* system properties.
410		*/
411	+	@SuppressWarnings("removal")
412		static void main(Test suite, String[] args) {
413		if (useSecurityManager) {
414		System.err.println("Setting a permissive security manager");
415		Policy.setPolicy(permissivePolicy());
416	<	System.setSecurityManager(new SecurityManager());
416	>	try {
417	>	System.setSecurityManager(new SecurityManager());
418	>	} catch(Throwable ok) {  // failure OK during deprecation
419	>	}
420		}
421		for (int i = 0; i < suiteRuns; i++) {
422		TestResult result = newPithyTestRunner().doRun(suite);
#	Line 442 | Line 457 | public class JSR166TestCase extends Test
457		public static final String JAVA_SPECIFICATION_VERSION;
458		static {
459		try {
460	<	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
460	>	@SuppressWarnings("removal") double jcv =
461	>	java.security.AccessController.doPrivileged(
462		new java.security.PrivilegedAction<Double>() {
463		public Double run() {
464		return Double.valueOf(System.getProperty("java.class.version"));}});
465	<	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
465	>	JAVA_CLASS_VERSION = jcv;
466	>	@SuppressWarnings("removal") String jsv =
467	>	java.security.AccessController.doPrivileged(
468		new java.security.PrivilegedAction<String>() {
469		public String run() {
470		return System.getProperty("java.specification.version");}});
471	+	JAVA_SPECIFICATION_VERSION = jsv;
472		} catch (Throwable t) {
473		throw new Error(t);
474		}
#	Line 586 | Line 605 | public class JSR166TestCase extends Test
605		addNamedTestClasses(suite, java9TestClassNames);
606		}
607
608	+	if (atLeastJava17()) {
609	+	String[] java17TestClassNames = {
610	+	"ForkJoinPool19Test",
611	+	};
612	+	addNamedTestClasses(suite, java17TestClassNames);
613	+	}
614		return suite;
615		}
616
#	Line 700 | Line 725 | public class JSR166TestCase extends Test
725		/**
726		* Returns a random element from given choices.
727		*/
728	+	<T> T chooseRandomly(List<T> choices) {
729	+	return choices.get(ThreadLocalRandom.current().nextInt(choices.size()));
730	+	}
731	+
732	+	/**
733	+	* Returns a random element from given choices.
734	+	*/
735	+	@SuppressWarnings("unchecked")
736		<T> T chooseRandomly(T... choices) {
737		return choices[ThreadLocalRandom.current().nextInt(choices.length)];
738		}
#	Line 1036 | Line 1069 | public class JSR166TestCase extends Test
1069		void joinPool(ExecutorService pool) {
1070		try {
1071		pool.shutdown();
1072	<	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
1072	>	if (!pool.awaitTermination(20 * LONG_DELAY_MS, MILLISECONDS)) {
1073		try {
1074		threadFail("ExecutorService " + pool +
1075		" did not terminate in a timely manner");
#	Line 1083 | Line 1116 | public class JSR166TestCase extends Test
1116		}
1117		}
1118
1119	+	/** Returns true if thread info might be useful in a thread dump. */
1120	+	static boolean threadOfInterest(ThreadInfo info) {
1121	+	final String name = info.getThreadName();
1122	+	String lockName;
1123	+	if (name == null)
1124	+	return true;
1125	+	if (name.equals("Signal Dispatcher")
1126	+	|| name.equals("WedgedTestDetector"))
1127	+	return false;
1128	+	if (name.equals("Reference Handler")) {
1129	+	// Reference Handler stacktrace changed in JDK-8156500
1130	+	StackTraceElement[] stackTrace; String methodName;
1131	+	if ((stackTrace = info.getStackTrace()) != null
1132	+	&& stackTrace.length > 0
1133	+	&& (methodName = stackTrace[0].getMethodName()) != null
1134	+	&& methodName.equals("waitForReferencePendingList"))
1135	+	return false;
1136	+	// jdk8 Reference Handler stacktrace
1137	+	if ((lockName = info.getLockName()) != null
1138	+	&& lockName.startsWith("java.lang.ref"))
1139	+	return false;
1140	+	}
1141	+	if ((name.equals("Finalizer") || name.equals("Common-Cleaner"))
1142	+	&& (lockName = info.getLockName()) != null
1143	+	&& lockName.startsWith("java.lang.ref"))
1144	+	return false;
1145	+	if (name.startsWith("ForkJoinPool.commonPool-worker")
1146	+	&& (lockName = info.getLockName()) != null
1147	+	&& lockName.startsWith("java.util.concurrent.ForkJoinPool"))
1148	+	return false;
1149	+	return true;
1150	+	}
1151	+
1152		/**
1153		* A debugging tool to print stack traces of most threads, as jstack does.
1154		* Uninteresting threads are filtered out.
1155		*/
1156	+	@SuppressWarnings("removal")
1157		static void dumpTestThreads() {
1158		SecurityManager sm = System.getSecurityManager();
1159		if (sm != null) {
#	Line 1097 | Line 1164 | public class JSR166TestCase extends Test
1164		}
1165		}
1166
1100	–	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1167		System.err.println("------ stacktrace dump start ------");
1168	<	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1169	<	final String name = info.getThreadName();
1170	<	String lockName;
1105	<	if ("Signal Dispatcher".equals(name))
1106	<	continue;
1107	<	if ("Reference Handler".equals(name)
1108	<	&& (lockName = info.getLockName()) != null
1109	<	&& lockName.startsWith("java.lang.ref"))
1110	<	continue;
1111	<	if (("Finalizer".equals(name) || "Common-Cleaner".equals(name))
1112	<	&& (lockName = info.getLockName()) != null
1113	<	&& lockName.startsWith("java.lang.ref"))
1114	<	continue;
1115	<	if ("WedgedTestDetector".equals(name))
1116	<	continue;
1117	<	System.err.print(info);
1118	<	}
1168	>	for (ThreadInfo info : THREAD_MXBEAN.dumpAllThreads(true, true))
1169	>	if (threadOfInterest(info))
1170	>	System.err.print(info);
1171		System.err.println("------ stacktrace dump end ------");
1172
1173		if (sm != null) System.setSecurityManager(sm);
#	Line 1142 | Line 1194 | public class JSR166TestCase extends Test
1194		}
1195
1196		/**
1197	+	* Returns the thread's blocker's class name, if any, else null.
1198	+	*/
1199	+	String blockerClassName(Thread thread) {
1200	+	ThreadInfo threadInfo; LockInfo lockInfo;
1201	+	if ((threadInfo = THREAD_MXBEAN.getThreadInfo(thread.getId(), 0)) != null
1202	+	&& (lockInfo = threadInfo.getLockInfo()) != null)
1203	+	return lockInfo.getClassName();
1204	+	return null;
1205	+	}
1206	+
1207	+	/**
1208		* Checks that future.get times out, with the default timeout of
1209		* {@code timeoutMillis()}.
1210		*/
1211	<	void assertFutureTimesOut(Future future) {
1211	>	void assertFutureTimesOut(Future<?> future) {
1212		assertFutureTimesOut(future, timeoutMillis());
1213		}
1214
1215		/**
1216		* Checks that future.get times out, with the given millisecond timeout.
1217		*/
1218	<	void assertFutureTimesOut(Future future, long timeoutMillis) {
1218	>	void assertFutureTimesOut(Future<?> future, long timeoutMillis) {
1219		long startTime = System.nanoTime();
1220		try {
1221		future.get(timeoutMillis, MILLISECONDS);
#	Line 1160 | Line 1223 | public class JSR166TestCase extends Test
1223		} catch (TimeoutException success) {
1224		} catch (Exception fail) {
1225		threadUnexpectedException(fail);
1226	<	} finally { future.cancel(true); }
1226	>	}
1227		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1228	+	assertFalse(future.isDone());
1229		}
1230
1231		/**
#	Line 1186 | Line 1250 | public class JSR166TestCase extends Test
1250
1251		/**
1252		* The number of elements to place in collections, arrays, etc.
1253	+	* Must be at least ten;
1254		*/
1255	<	public static final int SIZE = 20;
1255	>	public static final int SIZE = 32;
1256
1257	<	// Some convenient Integer constants
1258	<
1259	<	public static final Integer zero  = new Integer(0);
1260	<	public static final Integer one   = new Integer(1);
1261	<	public static final Integer two   = new Integer(2);
1262	<	public static final Integer three = new Integer(3);
1263	<	public static final Integer four  = new Integer(4);
1264	<	public static final Integer five  = new Integer(5);
1265	<	public static final Integer six   = new Integer(6);
1266	<	public static final Integer seven = new Integer(7);
1267	<	public static final Integer eight = new Integer(8);
1268	<	public static final Integer nine  = new Integer(9);
1269	<	public static final Integer m1  = new Integer(-1);
1270	<	public static final Integer m2  = new Integer(-2);
1271	<	public static final Integer m3  = new Integer(-3);
1272	<	public static final Integer m4  = new Integer(-4);
1273	<	public static final Integer m5  = new Integer(-5);
1274	<	public static final Integer m6  = new Integer(-6);
1275	<	public static final Integer m10 = new Integer(-10);
1257	>	static Item[] seqItems(int size) {
1258	>	Item[] s = new Item[size];
1259	>	for (int i = 0; i < size; ++i)
1260	>	s[i] = new Item(i);
1261	>	return s;
1262	>	}
1263	>	static Item[] negativeSeqItems(int size) {
1264	>	Item[] s = new Item[size];
1265	>	for (int i = 0; i < size; ++i)
1266	>	s[i] = new Item(-i);
1267	>	return s;
1268	>	}
1269	>
1270	>	// Many tests rely on defaultItems all being sequential nonnegative
1271	>	public static final Item[] defaultItems = seqItems(SIZE);
1272	>
1273	>	static Item itemFor(int i) { // check cache for defaultItems
1274	>	Item[] items = defaultItems;
1275	>	return (i >= 0 && i < items.length) ? items[i] : new Item(i);
1276	>	}
1277	>
1278	>	public static final Item zero  = defaultItems[0];
1279	>	public static final Item one   = defaultItems[1];
1280	>	public static final Item two   = defaultItems[2];
1281	>	public static final Item three = defaultItems[3];
1282	>	public static final Item four  = defaultItems[4];
1283	>	public static final Item five  = defaultItems[5];
1284	>	public static final Item six   = defaultItems[6];
1285	>	public static final Item seven = defaultItems[7];
1286	>	public static final Item eight = defaultItems[8];
1287	>	public static final Item nine  = defaultItems[9];
1288	>	public static final Item ten   = defaultItems[10];
1289	>
1290	>	public static final Item[] negativeItems = negativeSeqItems(SIZE);
1291	>
1292	>	public static final Item minusOne   = negativeItems[1];
1293	>	public static final Item minusTwo   = negativeItems[2];
1294	>	public static final Item minusThree = negativeItems[3];
1295	>	public static final Item minusFour  = negativeItems[4];
1296	>	public static final Item minusFive  = negativeItems[5];
1297	>	public static final Item minusSix   = negativeItems[6];
1298	>	public static final Item minusSeven = negativeItems[7];
1299	>	public static final Item minusEight = negativeItems[8];
1300	>	public static final Item minusNone  = negativeItems[9];
1301	>	public static final Item minusTen   = negativeItems[10];
1302	>
1303	>	// elements expected to be missing
1304	>	public static final Item fortytwo = new Item(42);
1305	>	public static final Item eightysix = new Item(86);
1306	>	public static final Item ninetynine = new Item(99);
1307	>
1308	>	// Interop across Item, int
1309	>
1310	>	static void mustEqual(Item x, Item y) {
1311	>	if (x != y)
1312	>	assertEquals(x.value, y.value);
1313	>	}
1314	>	static void mustEqual(Item x, int y) {
1315	>	assertEquals(x.value, y);
1316	>	}
1317	>	static void mustEqual(int x, Item y) {
1318	>	assertEquals(x, y.value);
1319	>	}
1320	>	static void mustEqual(int x, int y) {
1321	>	assertEquals(x, y);
1322	>	}
1323	>	static void mustEqual(Object x, Object y) {
1324	>	if (x != y)
1325	>	assertEquals(x, y);
1326	>	}
1327	>	static void mustEqual(int x, Object y) {
1328	>	if (y instanceof Item)
1329	>	assertEquals(x, ((Item)y).value);
1330	>	else fail();
1331	>	}
1332	>	static void mustEqual(Object x, int y) {
1333	>	if (x instanceof Item)
1334	>	assertEquals(((Item)x).value, y);
1335	>	else fail();
1336	>	}
1337	>	static void mustEqual(boolean x, boolean y) {
1338	>	assertEquals(x, y);
1339	>	}
1340	>	static void mustEqual(long x, long y) {
1341	>	assertEquals(x, y);
1342	>	}
1343	>	static void mustEqual(double x, double y) {
1344	>	assertEquals(x, y);
1345	>	}
1346	>	static void mustContain(Collection<Item> c, int i) {
1347	>	assertTrue(c.contains(itemFor(i)));
1348	>	}
1349	>	static void mustContain(Collection<Item> c, Item i) {
1350	>	assertTrue(c.contains(i));
1351	>	}
1352	>	static void mustNotContain(Collection<Item> c, int i) {
1353	>	assertFalse(c.contains(itemFor(i)));
1354	>	}
1355	>	static void mustNotContain(Collection<Item> c, Item i) {
1356	>	assertFalse(c.contains(i));
1357	>	}
1358	>	static void mustRemove(Collection<Item> c, int i) {
1359	>	assertTrue(c.remove(itemFor(i)));
1360	>	}
1361	>	static void mustRemove(Collection<Item> c, Item i) {
1362	>	assertTrue(c.remove(i));
1363	>	}
1364	>	static void mustNotRemove(Collection<Item> c, int i) {
1365	>	assertFalse(c.remove(itemFor(i)));
1366	>	}
1367	>	static void mustNotRemove(Collection<Item> c, Item i) {
1368	>	assertFalse(c.remove(i));
1369	>	}
1370	>	static void mustAdd(Collection<Item> c, int i) {
1371	>	assertTrue(c.add(itemFor(i)));
1372	>	}
1373	>	static void mustAdd(Collection<Item> c, Item i) {
1374	>	assertTrue(c.add(i));
1375	>	}
1376	>	static void mustOffer(Queue<Item> c, int i) {
1377	>	assertTrue(c.offer(itemFor(i)));
1378	>	}
1379	>	static void mustOffer(Queue<Item> c, Item i) {
1380	>	assertTrue(c.offer(i));
1381	>	}
1382
1383		/**
1384		* Runs Runnable r with a security policy that permits precisely
#	Line 1216 | Line 1387 | public class JSR166TestCase extends Test
1387		* security manager.  We require that any security manager permit
1388		* getPolicy/setPolicy.
1389		*/
1390	+	@SuppressWarnings("removal")
1391		public void runWithPermissions(Runnable r, Permission... permissions) {
1392		SecurityManager sm = System.getSecurityManager();
1393		if (sm == null) {
#	Line 1231 | Line 1403 | public class JSR166TestCase extends Test
1403		* Runnable.  We require that any security manager permit
1404		* getPolicy/setPolicy.
1405		*/
1406	+	@SuppressWarnings("removal")
1407		public void runWithSecurityManagerWithPermissions(Runnable r,
1408		Permission... permissions) {
1409	+	if (!useSecurityManager) return;
1410		SecurityManager sm = System.getSecurityManager();
1411		if (sm == null) {
1412		Policy savedPolicy = Policy.getPolicy();
#	Line 1240 | Line 1414 | public class JSR166TestCase extends Test
1414		Policy.setPolicy(permissivePolicy());
1415		System.setSecurityManager(new SecurityManager());
1416		runWithSecurityManagerWithPermissions(r, permissions);
1417	+	} catch (UnsupportedOperationException ok) {
1418		} finally {
1419	<	System.setSecurityManager(null);
1420	<	Policy.setPolicy(savedPolicy);
1419	>	try {
1420	>	System.setSecurityManager(null);
1421	>	Policy.setPolicy(savedPolicy);
1422	>	} catch (Exception ok) {
1423	>	}
1424		}
1425		} else {
1426		Policy savedPolicy = Policy.getPolicy();
#	Line 1269 | Line 1447 | public class JSR166TestCase extends Test
1447		* A security policy where new permissions can be dynamically added
1448		* or all cleared.
1449		*/
1450	+	@SuppressWarnings("removal")
1451		public static class AdjustablePolicy extends java.security.Policy {
1452		Permissions perms = new Permissions();
1453		AdjustablePolicy(Permission... permissions) {
#	Line 1298 | Line 1477 | public class JSR166TestCase extends Test
1477		/**
1478		* Returns a policy containing all the permissions we ever need.
1479		*/
1480	+	@SuppressWarnings("removal")
1481		public static Policy permissivePolicy() {
1482		return new AdjustablePolicy
1483		// Permissions j.u.c. needs directly
#	Line 1440 | Line 1620 | public class JSR166TestCase extends Test
1620		}
1621
1622		/**
1623	+	* Returns a new started daemon Thread running the given action,
1624	+	* wrapped in a CheckedRunnable.
1625	+	*/
1626	+	Thread newStartedThread(Action action) {
1627	+	return newStartedThread(checkedRunnable(action));
1628	+	}
1629	+
1630	+	/**
1631		* Waits for the specified time (in milliseconds) for the thread
1632		* to terminate (using {@link Thread#join(long)}), else interrupts
1633		* the thread (in the hope that it may terminate later) and fails.
#	Line 1486 | Line 1674 | public class JSR166TestCase extends Test
1674		}
1675		}
1676
1677	+	Runnable checkedRunnable(Action action) {
1678	+	return new CheckedRunnable() {
1679	+	public void realRun() throws Throwable {
1680	+	action.run();
1681	+	}};
1682	+	}
1683	+
1684		public abstract class ThreadShouldThrow extends Thread {
1685		protected abstract void realRun() throws Throwable;
1686
#	Line 1540 | Line 1735 | public class JSR166TestCase extends Test
1735		public void run() {}
1736		}
1737
1738	<	public static class NoOpCallable implements Callable {
1738	>	public static class NoOpCallable implements Callable<Object> {
1739		public Object call() { return Boolean.TRUE; }
1740		}
1741
#	Line 1724 | Line 1919 | public class JSR166TestCase extends Test
1919
1920		public int await() {
1921		try {
1922	<	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1922	>	return super.await(LONGER_DELAY_MS, MILLISECONDS);
1923		} catch (TimeoutException timedOut) {
1924		throw new AssertionError("timed out");
1925		} catch (Exception fail) {
#	Line 1733 | Line 1928 | public class JSR166TestCase extends Test
1928		}
1929		}
1930
1931	<	void checkEmpty(BlockingQueue q) {
1931	>	void checkEmpty(BlockingQueue<?> q) {
1932		try {
1933		assertTrue(q.isEmpty());
1934		assertEquals(0, q.size());
#	Line 1780 | Line 1975 | public class JSR166TestCase extends Test
1975		}
1976		}
1977
1978	+	@SuppressWarnings("unchecked")
1979		void assertImmutable(Object o) {
1980		if (o instanceof Collection) {
1981		assertThrows(
#	Line 1929 | Line 2125 | public class JSR166TestCase extends Test
2125		shouldThrow();
2126		} catch (NullPointerException success) {}
2127		try {
2128	<	es.submit((Callable) null);
2128	>	es.submit((Callable<?>) null);
2129		shouldThrow();
2130		} catch (NullPointerException success) {}
2131
#	Line 1941 | Line 2137 | public class JSR166TestCase extends Test
2137		shouldThrow();
2138		} catch (NullPointerException success) {}
2139		try {
2140	<	ses.schedule((Callable) null,
2140	>	ses.schedule((Callable<?>) null,
2141		randomTimeout(), randomTimeUnit());
2142		shouldThrow();
2143		} catch (NullPointerException success) {}
#	Line 2100 | Line 2296 | public class JSR166TestCase extends Test
2296		else {
2297		assertEquals(x.isEmpty(), y.isEmpty());
2298		assertEquals(x.size(), y.size());
2299	<	assertEquals(new HashSet(x), new HashSet(y));
2299	>	assertEquals(new HashSet<Object>(x), new HashSet<Object>(y));
2300		if (x instanceof Deque) {
2301		assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2302		assertTrue(Arrays.equals(x.toArray(new Object[0]),

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