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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.58 by jsr166, Wed Oct 6 02:11:57 2010 UTC vs.
Revision 1.193 by jsr166, Mon May 23 18:19:48 2016 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.PropertyPermission;
11	<	import java.util.concurrent.*;
12	<	import java.util.concurrent.atomic.AtomicReference;
9	>	/*
10	>	* @test
11	>	* @summary JSR-166 tck tests
12	>	* @modules java.management
13	>	* @build *
14	>	* @run junit/othervm/timeout=1000 -Djsr166.testImplementationDetails=true JSR166TestCase
15	>	*/
16	>
17		import static java.util.concurrent.TimeUnit.MILLISECONDS;
18	+	import static java.util.concurrent.TimeUnit.MINUTES;
19	+	import static java.util.concurrent.TimeUnit.NANOSECONDS;
20	+
21	+	import java.io.ByteArrayInputStream;
22	+	import java.io.ByteArrayOutputStream;
23	+	import java.io.ObjectInputStream;
24	+	import java.io.ObjectOutputStream;
25	+	import java.lang.management.ManagementFactory;
26	+	import java.lang.management.ThreadInfo;
27	+	import java.lang.management.ThreadMXBean;
28	+	import java.lang.reflect.Constructor;
29	+	import java.lang.reflect.Method;
30	+	import java.lang.reflect.Modifier;
31	+	import java.nio.file.Files;
32	+	import java.nio.file.Paths;
33		import java.security.CodeSource;
34		import java.security.Permission;
35		import java.security.PermissionCollection;
#	Line 18 | Line 37 | import java.security.Permissions;
37		import java.security.Policy;
38		import java.security.ProtectionDomain;
39		import java.security.SecurityPermission;
40	+	import java.util.ArrayList;
41	+	import java.util.Arrays;
42	+	import java.util.Date;
43	+	import java.util.Enumeration;
44	+	import java.util.Iterator;
45	+	import java.util.List;
46	+	import java.util.NoSuchElementException;
47	+	import java.util.PropertyPermission;
48	+	import java.util.concurrent.BlockingQueue;
49	+	import java.util.concurrent.Callable;
50	+	import java.util.concurrent.CountDownLatch;
51	+	import java.util.concurrent.CyclicBarrier;
52	+	import java.util.concurrent.ExecutionException;
53	+	import java.util.concurrent.Executors;
54	+	import java.util.concurrent.ExecutorService;
55	+	import java.util.concurrent.ForkJoinPool;
56	+	import java.util.concurrent.Future;
57	+	import java.util.concurrent.RecursiveAction;
58	+	import java.util.concurrent.RecursiveTask;
59	+	import java.util.concurrent.RejectedExecutionHandler;
60	+	import java.util.concurrent.Semaphore;
61	+	import java.util.concurrent.SynchronousQueue;
62	+	import java.util.concurrent.ThreadFactory;
63	+	import java.util.concurrent.ThreadPoolExecutor;
64	+	import java.util.concurrent.TimeoutException;
65	+	import java.util.concurrent.atomic.AtomicBoolean;
66	+	import java.util.concurrent.atomic.AtomicReference;
67	+	import java.util.regex.Matcher;
68	+	import java.util.regex.Pattern;
69	+
70	+	import junit.framework.AssertionFailedError;
71	+	import junit.framework.Test;
72	+	import junit.framework.TestCase;
73	+	import junit.framework.TestResult;
74	+	import junit.framework.TestSuite;
75
76		/**
77		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 29 | Line 83 | import java.security.SecurityPermission;
83		*
84		* <ol>
85		*
86	<	* <li> All assertions in code running in generated threads must use
86	>	* <li>All assertions in code running in generated threads must use
87		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
88		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
89		* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
90		* particularly recommended) for other code to use these forms too.
91		* Only the most typically used JUnit assertion methods are defined
92	<	* this way, but enough to live with.</li>
92	>	* this way, but enough to live with.
93		*
94	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
94	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
95		* to invoke {@code super.setUp} and {@code super.tearDown} within
96		* them. These methods are used to clear and check for thread
97	<	* assertion failures.</li>
97	>	* assertion failures.
98		*
99		* <li>All delays and timeouts must use one of the constants {@code
100		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 51 | Line 105 | import java.security.SecurityPermission;
105		* is always discriminable as larger than SHORT and smaller than
106		* MEDIUM.  And so on. These constants are set to conservative values,
107		* but even so, if there is ever any doubt, they can all be increased
108	<	* in one spot to rerun tests on slower platforms.</li>
108	>	* in one spot to rerun tests on slower platforms.
109		*
110	<	* <li> All threads generated must be joined inside each test case
110	>	* <li>All threads generated must be joined inside each test case
111		* method (or {@code fail} to do so) before returning from the
112		* method. The {@code joinPool} method can be used to do this when
113	<	* using Executors.</li>
113	>	* using Executors.
114		*
115		* </ol>
116		*
117	<	* <p> <b>Other notes</b>
117	>	* <p><b>Other notes</b>
118		* <ul>
119		*
120	<	* <li> Usually, there is one testcase method per JSR166 method
120	>	* <li>Usually, there is one testcase method per JSR166 method
121		* covering "normal" operation, and then as many exception-testing
122		* methods as there are exceptions the method can throw. Sometimes
123		* there are multiple tests per JSR166 method when the different
124		* "normal" behaviors differ significantly. And sometimes testcases
125	<	* cover multiple methods when they cannot be tested in
72	<	* isolation.</li>
125	>	* cover multiple methods when they cannot be tested in isolation.
126		*
127	<	* <li> The documentation style for testcases is to provide as javadoc
127	>	* <li>The documentation style for testcases is to provide as javadoc
128		* a simple sentence or two describing the property that the testcase
129		* method purports to test. The javadocs do not say anything about how
130	<	* the property is tested. To find out, read the code.</li>
130	>	* the property is tested. To find out, read the code.
131		*
132	<	* <li> These tests are "conformance tests", and do not attempt to
132	>	* <li>These tests are "conformance tests", and do not attempt to
133		* test throughput, latency, scalability or other performance factors
134		* (see the separate "jtreg" tests for a set intended to check these
135		* for the most central aspects of functionality.) So, most tests use
136		* the smallest sensible numbers of threads, collection sizes, etc
137	<	* needed to check basic conformance.</li>
137	>	* needed to check basic conformance.
138		*
139		* <li>The test classes currently do not declare inclusion in
140		* any particular package to simplify things for people integrating
141	<	* them in TCK test suites.</li>
141	>	* them in TCK test suites.
142		*
143	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
144	<	* runs all JSR166 unit tests.</li>
143	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
144	>	* runs all JSR166 unit tests.
145		*
146		* </ul>
147		*/
#	Line 96 | Line 149 | public class JSR166TestCase extends Test
149		private static final boolean useSecurityManager =
150		Boolean.getBoolean("jsr166.useSecurityManager");
151
152	+	protected static final boolean expensiveTests =
153	+	Boolean.getBoolean("jsr166.expensiveTests");
154	+
155		/**
156	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
156	>	* If true, also run tests that are not part of the official tck
157	>	* because they test unspecified implementation details.
158	>	*/
159	>	protected static final boolean testImplementationDetails =
160	>	Boolean.getBoolean("jsr166.testImplementationDetails");
161	>
162	>	/**
163	>	* If true, report on stdout all "slow" tests, that is, ones that
164	>	* take more than profileThreshold milliseconds to execute.
165	>	*/
166	>	private static final boolean profileTests =
167	>	Boolean.getBoolean("jsr166.profileTests");
168	>
169	>	/**
170	>	* The number of milliseconds that tests are permitted for
171	>	* execution without being reported, when profileTests is set.
172	>	*/
173	>	private static final long profileThreshold =
174	>	Long.getLong("jsr166.profileThreshold", 100);
175	>
176	>	/**
177	>	* The number of repetitions per test (for tickling rare bugs).
178	>	*/
179	>	private static final int runsPerTest =
180	>	Integer.getInteger("jsr166.runsPerTest", 1);
181	>
182	>	/**
183	>	* The number of repetitions of the test suite (for finding leaks?).
184	>	*/
185	>	private static final int suiteRuns =
186	>	Integer.getInteger("jsr166.suiteRuns", 1);
187	>
188	>	/**
189	>	* Returns the value of the system property, or NaN if not defined.
190	>	*/
191	>	private static float systemPropertyValue(String name) {
192	>	String floatString = System.getProperty(name);
193	>	if (floatString == null)
194	>	return Float.NaN;
195	>	try {
196	>	return Float.parseFloat(floatString);
197	>	} catch (NumberFormatException ex) {
198	>	throw new IllegalArgumentException(
199	>	String.format("Bad float value in system property %s=%s",
200	>	name, floatString));
201	>	}
202	>	}
203	>
204	>	/**
205	>	* The scaling factor to apply to standard delays used in tests.
206	>	* May be initialized from any of:
207	>	* - the "jsr166.delay.factor" system property
208	>	* - the "test.timeout.factor" system property (as used by jtreg)
209	>	*   See: http://openjdk.java.net/jtreg/tag-spec.html
210	>	* - hard-coded fuzz factor when using a known slowpoke VM
211	>	*/
212	>	private static final float delayFactor = delayFactor();
213	>
214	>	private static float delayFactor() {
215	>	float x;
216	>	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
217	>	return x;
218	>	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
219	>	return x;
220	>	String prop = System.getProperty("java.vm.version");
221	>	if (prop != null && prop.matches(".*debug.*"))
222	>	return 4.0f; // How much slower is fastdebug than product?!
223	>	return 1.0f;
224	>	}
225	>
226	>	public JSR166TestCase() { super(); }
227	>	public JSR166TestCase(String name) { super(name); }
228	>
229	>	/**
230	>	* A filter for tests to run, matching strings of the form
231	>	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
232	>	* Usefully combined with jsr166.runsPerTest.
233	>	*/
234	>	private static final Pattern methodFilter = methodFilter();
235	>
236	>	private static Pattern methodFilter() {
237	>	String regex = System.getProperty("jsr166.methodFilter");
238	>	return (regex == null) ? null : Pattern.compile(regex);
239	>	}
240	>
241	>	// Instrumentation to debug very rare, but very annoying hung test runs.
242	>	static volatile TestCase currentTestCase;
243	>	// static volatile int currentRun = 0;
244	>	static {
245	>	Runnable checkForWedgedTest = new Runnable() { public void run() {
246	>	// Avoid spurious reports with enormous runsPerTest.
247	>	// A single test case run should never take more than 1 second.
248	>	// But let's cap it at the high end too ...
249	>	final int timeoutMinutes =
250	>	Math.min(15, Math.max(runsPerTest / 60, 1));
251	>	for (TestCase lastTestCase = currentTestCase;;) {
252	>	try { MINUTES.sleep(timeoutMinutes); }
253	>	catch (InterruptedException unexpected) { break; }
254	>	if (lastTestCase == currentTestCase) {
255	>	System.err.printf(
256	>	"Looks like we're stuck running test: %s%n",
257	>	lastTestCase);
258	>	//                     System.err.printf(
259	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
260	>	//                         lastTestCase, currentRun, runsPerTest);
261	>	//                     System.err.println("availableProcessors=" +
262	>	//                         Runtime.getRuntime().availableProcessors());
263	>	//                     System.err.printf("cpu model = %s%n", cpuModel());
264	>	dumpTestThreads();
265	>	// one stack dump is probably enough; more would be spam
266	>	break;
267	>	}
268	>	lastTestCase = currentTestCase;
269	>	}}};
270	>	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
271	>	thread.setDaemon(true);
272	>	thread.start();
273	>	}
274	>
275	>	//     public static String cpuModel() {
276	>	//         try {
277	>	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
278	>	//                 .matcher(new String(
279	>	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
280	>	//             matcher.find();
281	>	//             return matcher.group(1);
282	>	//         } catch (Exception ex) { return null; }
283	>	//     }
284	>
285	>	public void runBare() throws Throwable {
286	>	currentTestCase = this;
287	>	if (methodFilter == null
288	>	|| methodFilter.matcher(toString()).find())
289	>	super.runBare();
290	>	}
291	>
292	>	protected void runTest() throws Throwable {
293	>	for (int i = 0; i < runsPerTest; i++) {
294	>	// currentRun = i;
295	>	if (profileTests)
296	>	runTestProfiled();
297	>	else
298	>	super.runTest();
299	>	}
300	>	}
301	>
302	>	protected void runTestProfiled() throws Throwable {
303	>	for (int i = 0; i < 2; i++) {
304	>	long startTime = System.nanoTime();
305	>	super.runTest();
306	>	long elapsedMillis = millisElapsedSince(startTime);
307	>	if (elapsedMillis < profileThreshold)
308	>	break;
309	>	// Never report first run of any test; treat it as a
310	>	// warmup run, notably to trigger all needed classloading,
311	>	if (i > 0)
312	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
313	>	}
314	>	}
315	>
316	>	/**
317	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
318		*/
319		public static void main(String[] args) {
320	+	main(suite(), args);
321	+	}
322	+
323	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
324	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
325	+	long runTime;
326	+	public void startTest(Test test) {}
327	+	protected void printHeader(long runTime) {
328	+	this.runTime = runTime; // defer printing for later
329	+	}
330	+	protected void printFooter(TestResult result) {
331	+	if (result.wasSuccessful()) {
332	+	getWriter().println("OK (" + result.runCount() + " tests)"
333	+	+ "  Time: " + elapsedTimeAsString(runTime));
334	+	} else {
335	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
336	+	super.printFooter(result);
337	+	}
338	+	}
339	+	}
340	+
341	+	/**
342	+	* Returns a TestRunner that doesn't bother with unnecessary
343	+	* fluff, like printing a "." for each test case.
344	+	*/
345	+	static junit.textui.TestRunner newPithyTestRunner() {
346	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
347	+	runner.setPrinter(new PithyResultPrinter(System.out));
348	+	return runner;
349	+	}
350	+
351	+	/**
352	+	* Runs all unit tests in the given test suite.
353	+	* Actual behavior influenced by jsr166.* system properties.
354	+	*/
355	+	static void main(Test suite, String[] args) {
356		if (useSecurityManager) {
357		System.err.println("Setting a permissive security manager");
358		Policy.setPolicy(permissivePolicy());
359		System.setSecurityManager(new SecurityManager());
360		}
361	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
362	<
363	<	Test s = suite();
364	<	for (int i = 0; i < iters; ++i) {
112	<	junit.textui.TestRunner.run(s);
361	>	for (int i = 0; i < suiteRuns; i++) {
362	>	TestResult result = newPithyTestRunner().doRun(suite);
363	>	if (!result.wasSuccessful())
364	>	System.exit(1);
365		System.gc();
366		System.runFinalization();
367		}
368	<	System.exit(0);
368	>	}
369	>
370	>	public static TestSuite newTestSuite(Object... suiteOrClasses) {
371	>	TestSuite suite = new TestSuite();
372	>	for (Object suiteOrClass : suiteOrClasses) {
373	>	if (suiteOrClass instanceof TestSuite)
374	>	suite.addTest((TestSuite) suiteOrClass);
375	>	else if (suiteOrClass instanceof Class)
376	>	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
377	>	else
378	>	throw new ClassCastException("not a test suite or class");
379	>	}
380	>	return suite;
381	>	}
382	>
383	>	public static void addNamedTestClasses(TestSuite suite,
384	>	String... testClassNames) {
385	>	for (String testClassName : testClassNames) {
386	>	try {
387	>	Class<?> testClass = Class.forName(testClassName);
388	>	Method m = testClass.getDeclaredMethod("suite",
389	>	new Class<?>[0]);
390	>	suite.addTest(newTestSuite((Test)m.invoke(null)));
391	>	} catch (Exception e) {
392	>	throw new Error("Missing test class", e);
393	>	}
394	>	}
395	>	}
396	>
397	>	public static final double JAVA_CLASS_VERSION;
398	>	public static final String JAVA_SPECIFICATION_VERSION;
399	>	static {
400	>	try {
401	>	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
402	>	new java.security.PrivilegedAction<Double>() {
403	>	public Double run() {
404	>	return Double.valueOf(System.getProperty("java.class.version"));}});
405	>	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
406	>	new java.security.PrivilegedAction<String>() {
407	>	public String run() {
408	>	return System.getProperty("java.specification.version");}});
409	>	} catch (Throwable t) {
410	>	throw new Error(t);
411	>	}
412	>	}
413	>
414	>	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
415	>	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
416	>	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
417	>	public static boolean atLeastJava9() {
418	>	return JAVA_CLASS_VERSION >= 53.0
419	>	// As of 2015-09, java9 still uses 52.0 class file version
420	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
421	>	}
422	>	public static boolean atLeastJava10() {
423	>	return JAVA_CLASS_VERSION >= 54.0
424	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
425		}
426
427		/**
428	<	* Collects all JSR166 unit tests as one suite
428	>	* Collects all JSR166 unit tests as one suite.
429		*/
430		public static Test suite() {
431	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
432	<
433	<	suite.addTest(ForkJoinPoolTest.suite());
434	<	suite.addTest(ForkJoinTaskTest.suite());
435	<	suite.addTest(RecursiveActionTest.suite());
436	<	suite.addTest(RecursiveTaskTest.suite());
437	<	suite.addTest(LinkedTransferQueueTest.suite());
438	<	suite.addTest(PhaserTest.suite());
439	<	suite.addTest(ThreadLocalRandomTest.suite());
440	<	suite.addTest(AbstractExecutorServiceTest.suite());
441	<	suite.addTest(AbstractQueueTest.suite());
442	<	suite.addTest(AbstractQueuedSynchronizerTest.suite());
443	<	suite.addTest(AbstractQueuedLongSynchronizerTest.suite());
444	<	suite.addTest(ArrayBlockingQueueTest.suite());
445	<	suite.addTest(ArrayDequeTest.suite());
446	<	suite.addTest(AtomicBooleanTest.suite());
447	<	suite.addTest(AtomicIntegerArrayTest.suite());
448	<	suite.addTest(AtomicIntegerFieldUpdaterTest.suite());
449	<	suite.addTest(AtomicIntegerTest.suite());
450	<	suite.addTest(AtomicLongArrayTest.suite());
451	<	suite.addTest(AtomicLongFieldUpdaterTest.suite());
452	<	suite.addTest(AtomicLongTest.suite());
453	<	suite.addTest(AtomicMarkableReferenceTest.suite());
454	<	suite.addTest(AtomicReferenceArrayTest.suite());
455	<	suite.addTest(AtomicReferenceFieldUpdaterTest.suite());
456	<	suite.addTest(AtomicReferenceTest.suite());
457	<	suite.addTest(AtomicStampedReferenceTest.suite());
458	<	suite.addTest(ConcurrentHashMapTest.suite());
459	<	suite.addTest(ConcurrentLinkedDequeTest.suite());
460	<	suite.addTest(ConcurrentLinkedQueueTest.suite());
461	<	suite.addTest(ConcurrentSkipListMapTest.suite());
462	<	suite.addTest(ConcurrentSkipListSubMapTest.suite());
463	<	suite.addTest(ConcurrentSkipListSetTest.suite());
464	<	suite.addTest(ConcurrentSkipListSubSetTest.suite());
465	<	suite.addTest(CopyOnWriteArrayListTest.suite());
466	<	suite.addTest(CopyOnWriteArraySetTest.suite());
467	<	suite.addTest(CountDownLatchTest.suite());
468	<	suite.addTest(CyclicBarrierTest.suite());
469	<	suite.addTest(DelayQueueTest.suite());
470	<	suite.addTest(EntryTest.suite());
471	<	suite.addTest(ExchangerTest.suite());
472	<	suite.addTest(ExecutorsTest.suite());
473	<	suite.addTest(ExecutorCompletionServiceTest.suite());
474	<	suite.addTest(FutureTaskTest.suite());
475	<	suite.addTest(LinkedBlockingDequeTest.suite());
476	<	suite.addTest(LinkedBlockingQueueTest.suite());
477	<	suite.addTest(LinkedListTest.suite());
478	<	suite.addTest(LockSupportTest.suite());
479	<	suite.addTest(PriorityBlockingQueueTest.suite());
480	<	suite.addTest(PriorityQueueTest.suite());
481	<	suite.addTest(ReentrantLockTest.suite());
482	<	suite.addTest(ReentrantReadWriteLockTest.suite());
483	<	suite.addTest(ScheduledExecutorTest.suite());
484	<	suite.addTest(ScheduledExecutorSubclassTest.suite());
485	<	suite.addTest(SemaphoreTest.suite());
486	<	suite.addTest(SynchronousQueueTest.suite());
487	<	suite.addTest(SystemTest.suite());
488	<	suite.addTest(ThreadLocalTest.suite());
489	<	suite.addTest(ThreadPoolExecutorTest.suite());
490	<	suite.addTest(ThreadPoolExecutorSubclassTest.suite());
491	<	suite.addTest(ThreadTest.suite());
492	<	suite.addTest(TimeUnitTest.suite());
493	<	suite.addTest(TreeMapTest.suite());
494	<	suite.addTest(TreeSetTest.suite());
495	<	suite.addTest(TreeSubMapTest.suite());
496	<	suite.addTest(TreeSubSetTest.suite());
431	>	// Java7+ test classes
432	>	TestSuite suite = newTestSuite(
433	>	ForkJoinPoolTest.suite(),
434	>	ForkJoinTaskTest.suite(),
435	>	RecursiveActionTest.suite(),
436	>	RecursiveTaskTest.suite(),
437	>	LinkedTransferQueueTest.suite(),
438	>	PhaserTest.suite(),
439	>	ThreadLocalRandomTest.suite(),
440	>	AbstractExecutorServiceTest.suite(),
441	>	AbstractQueueTest.suite(),
442	>	AbstractQueuedSynchronizerTest.suite(),
443	>	AbstractQueuedLongSynchronizerTest.suite(),
444	>	ArrayBlockingQueueTest.suite(),
445	>	ArrayDequeTest.suite(),
446	>	AtomicBooleanTest.suite(),
447	>	AtomicIntegerArrayTest.suite(),
448	>	AtomicIntegerFieldUpdaterTest.suite(),
449	>	AtomicIntegerTest.suite(),
450	>	AtomicLongArrayTest.suite(),
451	>	AtomicLongFieldUpdaterTest.suite(),
452	>	AtomicLongTest.suite(),
453	>	AtomicMarkableReferenceTest.suite(),
454	>	AtomicReferenceArrayTest.suite(),
455	>	AtomicReferenceFieldUpdaterTest.suite(),
456	>	AtomicReferenceTest.suite(),
457	>	AtomicStampedReferenceTest.suite(),
458	>	ConcurrentHashMapTest.suite(),
459	>	ConcurrentLinkedDequeTest.suite(),
460	>	ConcurrentLinkedQueueTest.suite(),
461	>	ConcurrentSkipListMapTest.suite(),
462	>	ConcurrentSkipListSubMapTest.suite(),
463	>	ConcurrentSkipListSetTest.suite(),
464	>	ConcurrentSkipListSubSetTest.suite(),
465	>	CopyOnWriteArrayListTest.suite(),
466	>	CopyOnWriteArraySetTest.suite(),
467	>	CountDownLatchTest.suite(),
468	>	CyclicBarrierTest.suite(),
469	>	DelayQueueTest.suite(),
470	>	EntryTest.suite(),
471	>	ExchangerTest.suite(),
472	>	ExecutorsTest.suite(),
473	>	ExecutorCompletionServiceTest.suite(),
474	>	FutureTaskTest.suite(),
475	>	LinkedBlockingDequeTest.suite(),
476	>	LinkedBlockingQueueTest.suite(),
477	>	LinkedListTest.suite(),
478	>	LockSupportTest.suite(),
479	>	PriorityBlockingQueueTest.suite(),
480	>	PriorityQueueTest.suite(),
481	>	ReentrantLockTest.suite(),
482	>	ReentrantReadWriteLockTest.suite(),
483	>	ScheduledExecutorTest.suite(),
484	>	ScheduledExecutorSubclassTest.suite(),
485	>	SemaphoreTest.suite(),
486	>	SynchronousQueueTest.suite(),
487	>	SystemTest.suite(),
488	>	ThreadLocalTest.suite(),
489	>	ThreadPoolExecutorTest.suite(),
490	>	ThreadPoolExecutorSubclassTest.suite(),
491	>	ThreadTest.suite(),
492	>	TimeUnitTest.suite(),
493	>	TreeMapTest.suite(),
494	>	TreeSetTest.suite(),
495	>	TreeSubMapTest.suite(),
496	>	TreeSubSetTest.suite());
497	>
498	>	// Java8+ test classes
499	>	if (atLeastJava8()) {
500	>	String[] java8TestClassNames = {
501	>	"Atomic8Test",
502	>	"CompletableFutureTest",
503	>	"ConcurrentHashMap8Test",
504	>	"CountedCompleterTest",
505	>	"DoubleAccumulatorTest",
506	>	"DoubleAdderTest",
507	>	"ForkJoinPool8Test",
508	>	"ForkJoinTask8Test",
509	>	"LongAccumulatorTest",
510	>	"LongAdderTest",
511	>	"SplittableRandomTest",
512	>	"StampedLockTest",
513	>	"SubmissionPublisherTest",
514	>	"ThreadLocalRandom8Test",
515	>	"TimeUnit8Test",
516	>	};
517	>	addNamedTestClasses(suite, java8TestClassNames);
518	>	}
519	>
520	>	// Java9+ test classes
521	>	if (atLeastJava9()) {
522	>	String[] java9TestClassNames = {
523	>	"ExecutorCompletionService9Test",
524	>	};
525	>	addNamedTestClasses(suite, java9TestClassNames);
526	>	}
527
528		return suite;
529		}
530
531	+	/** Returns list of junit-style test method names in given class. */
532	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
533	+	Method[] methods = testClass.getDeclaredMethods();
534	+	ArrayList<String> names = new ArrayList<String>(methods.length);
535	+	for (Method method : methods) {
536	+	if (method.getName().startsWith("test")
537	+	&& Modifier.isPublic(method.getModifiers())
538	+	// method.getParameterCount() requires jdk8+
539	+	&& method.getParameterTypes().length == 0) {
540	+	names.add(method.getName());
541	+	}
542	+	}
543	+	return names;
544	+	}
545	+
546	+	/**
547	+	* Returns junit-style testSuite for the given test class, but
548	+	* parameterized by passing extra data to each test.
549	+	*/
550	+	public static <ExtraData> Test parameterizedTestSuite
551	+	(Class<? extends JSR166TestCase> testClass,
552	+	Class<ExtraData> dataClass,
553	+	ExtraData data) {
554	+	try {
555	+	TestSuite suite = new TestSuite();
556	+	Constructor c =
557	+	testClass.getDeclaredConstructor(dataClass, String.class);
558	+	for (String methodName : testMethodNames(testClass))
559	+	suite.addTest((Test) c.newInstance(data, methodName));
560	+	return suite;
561	+	} catch (Exception e) {
562	+	throw new Error(e);
563	+	}
564	+	}
565	+
566	+	/**
567	+	* Returns junit-style testSuite for the jdk8 extension of the
568	+	* given test class, but parameterized by passing extra data to
569	+	* each test.  Uses reflection to allow compilation in jdk7.
570	+	*/
571	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
572	+	(Class<? extends JSR166TestCase> testClass,
573	+	Class<ExtraData> dataClass,
574	+	ExtraData data) {
575	+	if (atLeastJava8()) {
576	+	String name = testClass.getName();
577	+	String name8 = name.replaceAll("Test$", "8Test");
578	+	if (name.equals(name8)) throw new Error(name);
579	+	try {
580	+	return (Test)
581	+	Class.forName(name8)
582	+	.getMethod("testSuite", new Class[] { dataClass })
583	+	.invoke(null, data);
584	+	} catch (Exception e) {
585	+	throw new Error(e);
586	+	}
587	+	} else {
588	+	return new TestSuite();
589	+	}
590	+	}
591	+
592	+	// Delays for timing-dependent tests, in milliseconds.
593
594		public static long SHORT_DELAY_MS;
595		public static long SMALL_DELAY_MS;
596		public static long MEDIUM_DELAY_MS;
597		public static long LONG_DELAY_MS;
598
199	–
599		/**
600	<	* Returns the shortest timed delay. This could
601	<	* be reimplemented to use for example a Property.
600	>	* Returns the shortest timed delay. This can be scaled up for
601	>	* slow machines using the jsr166.delay.factor system property,
602	>	* or via jtreg's -timeoutFactor: flag.
603	>	* http://openjdk.java.net/jtreg/command-help.html
604		*/
605		protected long getShortDelay() {
606	<	return 50;
606	>	return (long) (50 * delayFactor);
607		}
608
208	–
609		/**
610		* Sets delays as multiples of SHORT_DELAY.
611		*/
#	Line 213 | Line 613 | public class JSR166TestCase extends Test
613		SHORT_DELAY_MS = getShortDelay();
614		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
615		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
616	<	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
616	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
617	>	}
618	>
619	>	/**
620	>	* Returns a timeout in milliseconds to be used in tests that
621	>	* verify that operations block or time out.
622	>	*/
623	>	long timeoutMillis() {
624	>	return SHORT_DELAY_MS / 4;
625	>	}
626	>
627	>	/**
628	>	* Returns a new Date instance representing a time at least
629	>	* delayMillis milliseconds in the future.
630	>	*/
631	>	Date delayedDate(long delayMillis) {
632	>	// Add 1 because currentTimeMillis is known to round into the past.
633	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
634		}
635
636		/**
#	Line 229 | Line 646 | public class JSR166TestCase extends Test
646		* the same test have no effect.
647		*/
648		public void threadRecordFailure(Throwable t) {
649	+	System.err.println(t);
650	+	dumpTestThreads();
651		threadFailure.compareAndSet(null, t);
652		}
653
#	Line 236 | Line 655 | public class JSR166TestCase extends Test
655		setDelays();
656		}
657
658	+	void tearDownFail(String format, Object... args) {
659	+	String msg = toString() + ": " + String.format(format, args);
660	+	System.err.println(msg);
661	+	dumpTestThreads();
662	+	throw new AssertionFailedError(msg);
663	+	}
664	+
665		/**
666	+	* Extra checks that get done for all test cases.
667	+	*
668		* Triggers test case failure if any thread assertions have failed,
669		* by rethrowing, in the test harness thread, any exception recorded
670		* earlier by threadRecordFailure.
671	+	*
672	+	* Triggers test case failure if interrupt status is set in the main thread.
673		*/
674		public void tearDown() throws Exception {
675	<	Throwable t = threadFailure.get();
675	>	Throwable t = threadFailure.getAndSet(null);
676		if (t != null) {
677		if (t instanceof Error)
678		throw (Error) t;
#	Line 257 | Line 687 | public class JSR166TestCase extends Test
687		throw afe;
688		}
689		}
690	+
691	+	if (Thread.interrupted())
692	+	tearDownFail("interrupt status set in main thread");
693	+
694	+	checkForkJoinPoolThreadLeaks();
695	+	}
696	+
697	+	/**
698	+	* Finds missing PoolCleaners
699	+	*/
700	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
701	+	Thread[] survivors = new Thread[7];
702	+	int count = Thread.enumerate(survivors);
703	+	for (int i = 0; i < count; i++) {
704	+	Thread thread = survivors[i];
705	+	String name = thread.getName();
706	+	if (name.startsWith("ForkJoinPool-")) {
707	+	// give thread some time to terminate
708	+	thread.join(LONG_DELAY_MS);
709	+	if (thread.isAlive())
710	+	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
711	+	thread);
712	+	}
713	+	}
714	+
715	+	if (!ForkJoinPool.commonPool()
716	+	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
717	+	tearDownFail("ForkJoin common pool thread stuck");
718		}
719
720		/**
#	Line 269 | Line 727 | public class JSR166TestCase extends Test
727		fail(reason);
728		} catch (AssertionFailedError t) {
729		threadRecordFailure(t);
730	<	fail(reason);
730	>	throw t;
731		}
732		}
733
#	Line 337 | Line 795 | public class JSR166TestCase extends Test
795		public void threadAssertEquals(Object x, Object y) {
796		try {
797		assertEquals(x, y);
798	<	} catch (AssertionFailedError t) {
799	<	threadRecordFailure(t);
800	<	throw t;
801	<	} catch (Throwable t) {
802	<	threadUnexpectedException(t);
798	>	} catch (AssertionFailedError fail) {
799	>	threadRecordFailure(fail);
800	>	throw fail;
801	>	} catch (Throwable fail) {
802	>	threadUnexpectedException(fail);
803		}
804		}
805
#	Line 353 | Line 811 | public class JSR166TestCase extends Test
811		public void threadAssertSame(Object x, Object y) {
812		try {
813		assertSame(x, y);
814	<	} catch (AssertionFailedError t) {
815	<	threadRecordFailure(t);
816	<	throw t;
814	>	} catch (AssertionFailedError fail) {
815	>	threadRecordFailure(fail);
816	>	throw fail;
817		}
818		}
819
#	Line 388 | Line 846 | public class JSR166TestCase extends Test
846		else {
847		AssertionFailedError afe =
848		new AssertionFailedError("unexpected exception: " + t);
849	<	t.initCause(t);
849	>	afe.initCause(t);
850		throw afe;
851		}
852		}
853
854		/**
855	+	* Delays, via Thread.sleep, for the given millisecond delay, but
856	+	* if the sleep is shorter than specified, may re-sleep or yield
857	+	* until time elapses.  Ensures that the given time, as measured
858	+	* by System.nanoTime(), has elapsed.
859	+	*/
860	+	static void delay(long millis) throws InterruptedException {
861	+	long nanos = millis * (1000 * 1000);
862	+	final long wakeupTime = System.nanoTime() + nanos;
863	+	do {
864	+	if (millis > 0L)
865	+	Thread.sleep(millis);
866	+	else // too short to sleep
867	+	Thread.yield();
868	+	nanos = wakeupTime - System.nanoTime();
869	+	millis = nanos / (1000 * 1000);
870	+	} while (nanos >= 0L);
871	+	}
872	+
873	+	/**
874	+	* Allows use of try-with-resources with per-test thread pools.
875	+	*/
876	+	class PoolCleaner implements AutoCloseable {
877	+	private final ExecutorService pool;
878	+	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
879	+	public void close() { joinPool(pool); }
880	+	}
881	+
882	+	/**
883	+	* An extension of PoolCleaner that has an action to release the pool.
884	+	*/
885	+	class PoolCleanerWithReleaser extends PoolCleaner {
886	+	private final Runnable releaser;
887	+	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
888	+	super(pool);
889	+	this.releaser = releaser;
890	+	}
891	+	public void close() {
892	+	try {
893	+	releaser.run();
894	+	} finally {
895	+	super.close();
896	+	}
897	+	}
898	+	}
899	+
900	+	PoolCleaner cleaner(ExecutorService pool) {
901	+	return new PoolCleaner(pool);
902	+	}
903	+
904	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
905	+	return new PoolCleanerWithReleaser(pool, releaser);
906	+	}
907	+
908	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
909	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
910	+	}
911	+
912	+	Runnable releaser(final CountDownLatch latch) {
913	+	return new Runnable() { public void run() {
914	+	do { latch.countDown(); }
915	+	while (latch.getCount() > 0);
916	+	}};
917	+	}
918	+
919	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
920	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
921	+	}
922	+
923	+	Runnable releaser(final AtomicBoolean flag) {
924	+	return new Runnable() { public void run() { flag.set(true); }};
925	+	}
926	+
927	+	/**
928		* Waits out termination of a thread pool or fails doing so.
929		*/
930	<	public void joinPool(ExecutorService exec) {
930	>	void joinPool(ExecutorService pool) {
931		try {
932	<	exec.shutdown();
933	<	assertTrue("ExecutorService did not terminate in a timely manner",
934	<	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
932	>	pool.shutdown();
933	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
934	>	try {
935	>	threadFail("ExecutorService " + pool +
936	>	" did not terminate in a timely manner");
937	>	} finally {
938	>	// last resort, for the benefit of subsequent tests
939	>	pool.shutdownNow();
940	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
941	>	}
942	>	}
943		} catch (SecurityException ok) {
944		// Allowed in case test doesn't have privs
945	<	} catch (InterruptedException ie) {
946	<	fail("Unexpected InterruptedException");
945	>	} catch (InterruptedException fail) {
946	>	threadFail("Unexpected InterruptedException");
947	>	}
948	>	}
949	>
950	>	/** Like Runnable, but with the freedom to throw anything */
951	>	interface Action { public void run() throws Throwable; }
952	>
953	>	/**
954	>	* Runs all the given actions in parallel, failing if any fail.
955	>	* Useful for running multiple variants of tests that are
956	>	* necessarily individually slow because they must block.
957	>	*/
958	>	void testInParallel(Action ... actions) {
959	>	ExecutorService pool = Executors.newCachedThreadPool();
960	>	try (PoolCleaner cleaner = cleaner(pool)) {
961	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
962	>	for (final Action action : actions)
963	>	futures.add(pool.submit(new CheckedRunnable() {
964	>	public void realRun() throws Throwable { action.run();}}));
965	>	for (Future<?> future : futures)
966	>	try {
967	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
968	>	} catch (ExecutionException ex) {
969	>	threadUnexpectedException(ex.getCause());
970	>	} catch (Exception ex) {
971	>	threadUnexpectedException(ex);
972	>	}
973	>	}
974	>	}
975	>
976	>	/**
977	>	* A debugging tool to print stack traces of most threads, as jstack does.
978	>	* Uninteresting threads are filtered out.
979	>	*/
980	>	static void dumpTestThreads() {
981	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
982	>	System.err.println("------ stacktrace dump start ------");
983	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
984	>	String name = info.getThreadName();
985	>	if ("Signal Dispatcher".equals(name))
986	>	continue;
987	>	if ("Reference Handler".equals(name)
988	>	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
989	>	continue;
990	>	if ("Finalizer".equals(name)
991	>	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
992	>	continue;
993	>	if ("checkForWedgedTest".equals(name))
994	>	continue;
995	>	System.err.print(info);
996	>	}
997	>	System.err.println("------ stacktrace dump end ------");
998	>	}
999	>
1000	>	/**
1001	>	* Checks that thread does not terminate within the default
1002	>	* millisecond delay of {@code timeoutMillis()}.
1003	>	*/
1004	>	void assertThreadStaysAlive(Thread thread) {
1005	>	assertThreadStaysAlive(thread, timeoutMillis());
1006	>	}
1007	>
1008	>	/**
1009	>	* Checks that thread does not terminate within the given millisecond delay.
1010	>	*/
1011	>	void assertThreadStaysAlive(Thread thread, long millis) {
1012	>	try {
1013	>	// No need to optimize the failing case via Thread.join.
1014	>	delay(millis);
1015	>	assertTrue(thread.isAlive());
1016	>	} catch (InterruptedException fail) {
1017	>	threadFail("Unexpected InterruptedException");
1018	>	}
1019	>	}
1020	>
1021	>	/**
1022	>	* Checks that the threads do not terminate within the default
1023	>	* millisecond delay of {@code timeoutMillis()}.
1024	>	*/
1025	>	void assertThreadsStayAlive(Thread... threads) {
1026	>	assertThreadsStayAlive(timeoutMillis(), threads);
1027	>	}
1028	>
1029	>	/**
1030	>	* Checks that the threads do not terminate within the given millisecond delay.
1031	>	*/
1032	>	void assertThreadsStayAlive(long millis, Thread... threads) {
1033	>	try {
1034	>	// No need to optimize the failing case via Thread.join.
1035	>	delay(millis);
1036	>	for (Thread thread : threads)
1037	>	assertTrue(thread.isAlive());
1038	>	} catch (InterruptedException fail) {
1039	>	threadFail("Unexpected InterruptedException");
1040		}
1041		}
1042
1043	+	/**
1044	+	* Checks that future.get times out, with the default timeout of
1045	+	* {@code timeoutMillis()}.
1046	+	*/
1047	+	void assertFutureTimesOut(Future future) {
1048	+	assertFutureTimesOut(future, timeoutMillis());
1049	+	}
1050	+
1051	+	/**
1052	+	* Checks that future.get times out, with the given millisecond timeout.
1053	+	*/
1054	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
1055	+	long startTime = System.nanoTime();
1056	+	try {
1057	+	future.get(timeoutMillis, MILLISECONDS);
1058	+	shouldThrow();
1059	+	} catch (TimeoutException success) {
1060	+	} catch (Exception fail) {
1061	+	threadUnexpectedException(fail);
1062	+	} finally { future.cancel(true); }
1063	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1064	+	}
1065
1066		/**
1067		* Fails with message "should throw exception".
#	Line 448 | Line 1102 | public class JSR166TestCase extends Test
1102		public static final Integer m6  = new Integer(-6);
1103		public static final Integer m10 = new Integer(-10);
1104
451	–
1105		/**
1106		* Runs Runnable r with a security policy that permits precisely
1107		* the specified permissions.  If there is no current security
#	Line 460 | Line 1113 | public class JSR166TestCase extends Test
1113		SecurityManager sm = System.getSecurityManager();
1114		if (sm == null) {
1115		r.run();
1116	+	}
1117	+	runWithSecurityManagerWithPermissions(r, permissions);
1118	+	}
1119	+
1120	+	/**
1121	+	* Runs Runnable r with a security policy that permits precisely
1122	+	* the specified permissions.  If there is no current security
1123	+	* manager, a temporary one is set for the duration of the
1124	+	* Runnable.  We require that any security manager permit
1125	+	* getPolicy/setPolicy.
1126	+	*/
1127	+	public void runWithSecurityManagerWithPermissions(Runnable r,
1128	+	Permission... permissions) {
1129	+	SecurityManager sm = System.getSecurityManager();
1130	+	if (sm == null) {
1131		Policy savedPolicy = Policy.getPolicy();
1132		try {
1133		Policy.setPolicy(permissivePolicy());
1134		System.setSecurityManager(new SecurityManager());
1135	<	runWithPermissions(r, permissions);
1135	>	runWithSecurityManagerWithPermissions(r, permissions);
1136		} finally {
1137		System.setSecurityManager(null);
1138		Policy.setPolicy(savedPolicy);
#	Line 512 | Line 1180 | public class JSR166TestCase extends Test
1180		return perms.implies(p);
1181		}
1182		public void refresh() {}
1183	+	public String toString() {
1184	+	List<Permission> ps = new ArrayList<Permission>();
1185	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1186	+	ps.add(e.nextElement());
1187	+	return "AdjustablePolicy with permissions " + ps;
1188	+	}
1189		}
1190
1191		/**
#	Line 534 | Line 1208 | public class JSR166TestCase extends Test
1208		}
1209
1210		/**
1211	<	* Sleep until the timeout has elapsed, or interrupted.
1212	<	* Does <em>NOT</em> throw InterruptedException.
1211	>	* Sleeps until the given time has elapsed.
1212	>	* Throws AssertionFailedError if interrupted.
1213	>	*/
1214	>	void sleep(long millis) {
1215	>	try {
1216	>	delay(millis);
1217	>	} catch (InterruptedException fail) {
1218	>	AssertionFailedError afe =
1219	>	new AssertionFailedError("Unexpected InterruptedException");
1220	>	afe.initCause(fail);
1221	>	throw afe;
1222	>	}
1223	>	}
1224	>
1225	>	/**
1226	>	* Spin-waits up to the specified number of milliseconds for the given
1227	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1228	>	*/
1229	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1230	>	long startTime = System.nanoTime();
1231	>	for (;;) {
1232	>	Thread.State s = thread.getState();
1233	>	if (s == Thread.State.BLOCKED ||
1234	>	s == Thread.State.WAITING ||
1235	>	s == Thread.State.TIMED_WAITING)
1236	>	return;
1237	>	else if (s == Thread.State.TERMINATED)
1238	>	fail("Unexpected thread termination");
1239	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1240	>	threadAssertTrue(thread.isAlive());
1241	>	return;
1242	>	}
1243	>	Thread.yield();
1244	>	}
1245	>	}
1246	>
1247	>	/**
1248	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1249	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
1250	>	*/
1251	>	void waitForThreadToEnterWaitState(Thread thread) {
1252	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1253	>	}
1254	>
1255	>	/**
1256	>	* Returns the number of milliseconds since time given by
1257	>	* startNanoTime, which must have been previously returned from a
1258	>	* call to {@link System#nanoTime()}.
1259		*/
1260	<	void sleepTillInterrupted(long timeoutMillis) {
1260	>	static long millisElapsedSince(long startNanoTime) {
1261	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1262	>	}
1263	>
1264	>	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1265	>	//         long startTime = System.nanoTime();
1266	>	//         try {
1267	>	//             r.run();
1268	>	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1269	>	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1270	>	//             throw new AssertionFailedError("did not return promptly");
1271	>	//     }
1272	>
1273	>	//     void assertTerminatesPromptly(Runnable r) {
1274	>	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1275	>	//     }
1276	>
1277	>	/**
1278	>	* Checks that timed f.get() returns the expected value, and does not
1279	>	* wait for the timeout to elapse before returning.
1280	>	*/
1281	>	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1282	>	long startTime = System.nanoTime();
1283		try {
1284	<	Thread.sleep(timeoutMillis);
1285	<	} catch (InterruptedException wakeup) {}
1284	>	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1285	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1286	>	if (millisElapsedSince(startTime) > timeoutMillis/2)
1287	>	throw new AssertionFailedError("timed get did not return promptly");
1288	>	}
1289	>
1290	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1291	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1292		}
1293
1294		/**
#	Line 553 | Line 1301 | public class JSR166TestCase extends Test
1301		return t;
1302		}
1303
1304	+	/**
1305	+	* Waits for the specified time (in milliseconds) for the thread
1306	+	* to terminate (using {@link Thread#join(long)}), else interrupts
1307	+	* the thread (in the hope that it may terminate later) and fails.
1308	+	*/
1309	+	void awaitTermination(Thread t, long timeoutMillis) {
1310	+	try {
1311	+	t.join(timeoutMillis);
1312	+	} catch (InterruptedException fail) {
1313	+	threadUnexpectedException(fail);
1314	+	} finally {
1315	+	if (t.getState() != Thread.State.TERMINATED) {
1316	+	t.interrupt();
1317	+	threadFail("timed out waiting for thread to terminate");
1318	+	}
1319	+	}
1320	+	}
1321	+
1322	+	/**
1323	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1324	+	* terminate (using {@link Thread#join(long)}), else interrupts
1325	+	* the thread (in the hope that it may terminate later) and fails.
1326	+	*/
1327	+	void awaitTermination(Thread t) {
1328	+	awaitTermination(t, LONG_DELAY_MS);
1329	+	}
1330	+
1331		// Some convenient Runnable classes
1332
1333		public abstract class CheckedRunnable implements Runnable {
#	Line 561 | Line 1336 | public class JSR166TestCase extends Test
1336		public final void run() {
1337		try {
1338		realRun();
1339	<	} catch (Throwable t) {
1340	<	threadUnexpectedException(t);
1339	>	} catch (Throwable fail) {
1340	>	threadUnexpectedException(fail);
1341		}
1342		}
1343		}
#	Line 615 | Line 1390 | public class JSR166TestCase extends Test
1390		realRun();
1391		threadShouldThrow("InterruptedException");
1392		} catch (InterruptedException success) {
1393	<	} catch (Throwable t) {
1394	<	threadUnexpectedException(t);
1393	>	threadAssertFalse(Thread.interrupted());
1394	>	} catch (Throwable fail) {
1395	>	threadUnexpectedException(fail);
1396		}
1397		}
1398		}
#	Line 627 | Line 1403 | public class JSR166TestCase extends Test
1403		public final T call() {
1404		try {
1405		return realCall();
1406	<	} catch (Throwable t) {
1407	<	threadUnexpectedException(t);
1406	>	} catch (Throwable fail) {
1407	>	threadUnexpectedException(fail);
1408		return null;
1409		}
1410		}
#	Line 644 | Line 1420 | public class JSR166TestCase extends Test
1420		threadShouldThrow("InterruptedException");
1421		return result;
1422		} catch (InterruptedException success) {
1423	<	} catch (Throwable t) {
1424	<	threadUnexpectedException(t);
1423	>	threadAssertFalse(Thread.interrupted());
1424	>	} catch (Throwable fail) {
1425	>	threadUnexpectedException(fail);
1426		}
1427		return null;
1428		}
#	Line 662 | Line 1439 | public class JSR166TestCase extends Test
1439		public static final String TEST_STRING = "a test string";
1440
1441		public static class StringTask implements Callable<String> {
1442	<	public String call() { return TEST_STRING; }
1442	>	final String value;
1443	>	public StringTask() { this(TEST_STRING); }
1444	>	public StringTask(String value) { this.value = value; }
1445	>	public String call() { return value; }
1446		}
1447
1448		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1449		return new CheckedCallable<String>() {
1450	<	public String realCall() {
1450	>	protected String realCall() {
1451		try {
1452		latch.await();
1453		} catch (InterruptedException quittingTime) {}
#	Line 675 | Line 1455 | public class JSR166TestCase extends Test
1455		}};
1456		}
1457
1458	+	public Runnable countDowner(final CountDownLatch latch) {
1459	+	return new CheckedRunnable() {
1460	+	public void realRun() throws InterruptedException {
1461	+	latch.countDown();
1462	+	}};
1463	+	}
1464	+
1465	+	class LatchAwaiter extends CheckedRunnable {
1466	+	static final int NEW = 0;
1467	+	static final int RUNNING = 1;
1468	+	static final int DONE = 2;
1469	+	final CountDownLatch latch;
1470	+	int state = NEW;
1471	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1472	+	public void realRun() throws InterruptedException {
1473	+	state = 1;
1474	+	await(latch);
1475	+	state = 2;
1476	+	}
1477	+	}
1478	+
1479	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1480	+	return new LatchAwaiter(latch);
1481	+	}
1482	+
1483	+	public void await(CountDownLatch latch, long timeoutMillis) {
1484	+	try {
1485	+	if (!latch.await(timeoutMillis, MILLISECONDS))
1486	+	fail("timed out waiting for CountDownLatch for "
1487	+	+ (timeoutMillis/1000) + " sec");
1488	+	} catch (Throwable fail) {
1489	+	threadUnexpectedException(fail);
1490	+	}
1491	+	}
1492	+
1493	+	public void await(CountDownLatch latch) {
1494	+	await(latch, LONG_DELAY_MS);
1495	+	}
1496	+
1497	+	public void await(Semaphore semaphore) {
1498	+	try {
1499	+	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1500	+	fail("timed out waiting for Semaphore for "
1501	+	+ (LONG_DELAY_MS/1000) + " sec");
1502	+	} catch (Throwable fail) {
1503	+	threadUnexpectedException(fail);
1504	+	}
1505	+	}
1506	+
1507	+	//     /**
1508	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1509	+	//      */
1510	+	//     public void await(AtomicBoolean flag) {
1511	+	//         await(flag, LONG_DELAY_MS);
1512	+	//     }
1513	+
1514	+	//     /**
1515	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1516	+	//      */
1517	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1518	+	//         long startTime = System.nanoTime();
1519	+	//         while (!flag.get()) {
1520	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1521	+	//                 throw new AssertionFailedError("timed out");
1522	+	//             Thread.yield();
1523	+	//         }
1524	+	//     }
1525	+
1526		public static class NPETask implements Callable<String> {
1527		public String call() { throw new NullPointerException(); }
1528		}
#	Line 685 | Line 1533 | public class JSR166TestCase extends Test
1533
1534		public class ShortRunnable extends CheckedRunnable {
1535		protected void realRun() throws Throwable {
1536	<	Thread.sleep(SHORT_DELAY_MS);
1536	>	delay(SHORT_DELAY_MS);
1537		}
1538		}
1539
1540		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1541		protected void realRun() throws InterruptedException {
1542	<	Thread.sleep(SHORT_DELAY_MS);
1542	>	delay(SHORT_DELAY_MS);
1543		}
1544		}
1545
1546		public class SmallRunnable extends CheckedRunnable {
1547		protected void realRun() throws Throwable {
1548	<	Thread.sleep(SMALL_DELAY_MS);
1548	>	delay(SMALL_DELAY_MS);
1549		}
1550		}
1551
1552		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1553		protected void realRun() {
1554		try {
1555	<	Thread.sleep(SMALL_DELAY_MS);
1555	>	delay(SMALL_DELAY_MS);
1556		} catch (InterruptedException ok) {}
1557		}
1558		}
1559
1560		public class SmallCallable extends CheckedCallable {
1561		protected Object realCall() throws InterruptedException {
1562	<	Thread.sleep(SMALL_DELAY_MS);
1562	>	delay(SMALL_DELAY_MS);
1563		return Boolean.TRUE;
1564		}
1565		}
1566
1567		public class MediumRunnable extends CheckedRunnable {
1568		protected void realRun() throws Throwable {
1569	<	Thread.sleep(MEDIUM_DELAY_MS);
1569	>	delay(MEDIUM_DELAY_MS);
1570		}
1571		}
1572
1573		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1574		protected void realRun() throws InterruptedException {
1575	<	Thread.sleep(MEDIUM_DELAY_MS);
1575	>	delay(MEDIUM_DELAY_MS);
1576		}
1577		}
1578
1579	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1580	+	return new CheckedRunnable() {
1581	+	protected void realRun() {
1582	+	try {
1583	+	delay(timeoutMillis);
1584	+	} catch (InterruptedException ok) {}
1585	+	}};
1586	+	}
1587	+
1588		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1589		protected void realRun() {
1590		try {
1591	<	Thread.sleep(MEDIUM_DELAY_MS);
1591	>	delay(MEDIUM_DELAY_MS);
1592		} catch (InterruptedException ok) {}
1593		}
1594		}
#	Line 739 | Line 1596 | public class JSR166TestCase extends Test
1596		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1597		protected void realRun() {
1598		try {
1599	<	Thread.sleep(LONG_DELAY_MS);
1599	>	delay(LONG_DELAY_MS);
1600		} catch (InterruptedException ok) {}
1601		}
1602		}
#	Line 753 | Line 1610 | public class JSR166TestCase extends Test
1610		}
1611		}
1612
1613	+	public interface TrackedRunnable extends Runnable {
1614	+	boolean isDone();
1615	+	}
1616	+
1617	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1618	+	return new TrackedRunnable() {
1619	+	private volatile boolean done = false;
1620	+	public boolean isDone() { return done; }
1621	+	public void run() {
1622	+	try {
1623	+	delay(timeoutMillis);
1624	+	done = true;
1625	+	} catch (InterruptedException ok) {}
1626	+	}
1627	+	};
1628	+	}
1629	+
1630		public static class TrackedShortRunnable implements Runnable {
1631		public volatile boolean done = false;
1632		public void run() {
1633		try {
1634	<	Thread.sleep(SMALL_DELAY_MS);
1634	>	delay(SHORT_DELAY_MS);
1635	>	done = true;
1636	>	} catch (InterruptedException ok) {}
1637	>	}
1638	>	}
1639	>
1640	>	public static class TrackedSmallRunnable implements Runnable {
1641	>	public volatile boolean done = false;
1642	>	public void run() {
1643	>	try {
1644	>	delay(SMALL_DELAY_MS);
1645		done = true;
1646		} catch (InterruptedException ok) {}
1647		}
#	Line 767 | Line 1651 | public class JSR166TestCase extends Test
1651		public volatile boolean done = false;
1652		public void run() {
1653		try {
1654	<	Thread.sleep(MEDIUM_DELAY_MS);
1654	>	delay(MEDIUM_DELAY_MS);
1655		done = true;
1656		} catch (InterruptedException ok) {}
1657		}
#	Line 777 | Line 1661 | public class JSR166TestCase extends Test
1661		public volatile boolean done = false;
1662		public void run() {
1663		try {
1664	<	Thread.sleep(LONG_DELAY_MS);
1664	>	delay(LONG_DELAY_MS);
1665		done = true;
1666		} catch (InterruptedException ok) {}
1667		}
#	Line 794 | Line 1678 | public class JSR166TestCase extends Test
1678		public volatile boolean done = false;
1679		public Object call() {
1680		try {
1681	<	Thread.sleep(SMALL_DELAY_MS);
1681	>	delay(SMALL_DELAY_MS);
1682		done = true;
1683		} catch (InterruptedException ok) {}
1684		return Boolean.TRUE;
#	Line 807 | Line 1691 | public class JSR166TestCase extends Test
1691		public abstract class CheckedRecursiveAction extends RecursiveAction {
1692		protected abstract void realCompute() throws Throwable;
1693
1694	<	public final void compute() {
1694	>	@Override protected final void compute() {
1695		try {
1696		realCompute();
1697	<	} catch (Throwable t) {
1698	<	threadUnexpectedException(t);
1697	>	} catch (Throwable fail) {
1698	>	threadUnexpectedException(fail);
1699		}
1700		}
1701		}
#	Line 822 | Line 1706 | public class JSR166TestCase extends Test
1706		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1707		protected abstract T realCompute() throws Throwable;
1708
1709	<	public final T compute() {
1709	>	@Override protected final T compute() {
1710		try {
1711		return realCompute();
1712	<	} catch (Throwable t) {
1713	<	threadUnexpectedException(t);
1712	>	} catch (Throwable fail) {
1713	>	threadUnexpectedException(fail);
1714		return null;
1715		}
1716		}
#	Line 840 | Line 1724 | public class JSR166TestCase extends Test
1724		ThreadPoolExecutor executor) {}
1725		}
1726
1727	+	/**
1728	+	* A CyclicBarrier that uses timed await and fails with
1729	+	* AssertionFailedErrors instead of throwing checked exceptions.
1730	+	*/
1731	+	public class CheckedBarrier extends CyclicBarrier {
1732	+	public CheckedBarrier(int parties) { super(parties); }
1733	+
1734	+	public int await() {
1735	+	try {
1736	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1737	+	} catch (TimeoutException timedOut) {
1738	+	throw new AssertionFailedError("timed out");
1739	+	} catch (Exception fail) {
1740	+	AssertionFailedError afe =
1741	+	new AssertionFailedError("Unexpected exception: " + fail);
1742	+	afe.initCause(fail);
1743	+	throw afe;
1744	+	}
1745	+	}
1746	+	}
1747	+
1748	+	void checkEmpty(BlockingQueue q) {
1749	+	try {
1750	+	assertTrue(q.isEmpty());
1751	+	assertEquals(0, q.size());
1752	+	assertNull(q.peek());
1753	+	assertNull(q.poll());
1754	+	assertNull(q.poll(0, MILLISECONDS));
1755	+	assertEquals(q.toString(), "[]");
1756	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1757	+	assertFalse(q.iterator().hasNext());
1758	+	try {
1759	+	q.element();
1760	+	shouldThrow();
1761	+	} catch (NoSuchElementException success) {}
1762	+	try {
1763	+	q.iterator().next();
1764	+	shouldThrow();
1765	+	} catch (NoSuchElementException success) {}
1766	+	try {
1767	+	q.remove();
1768	+	shouldThrow();
1769	+	} catch (NoSuchElementException success) {}
1770	+	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1771	+	}
1772	+
1773	+	void assertSerialEquals(Object x, Object y) {
1774	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1775	+	}
1776	+
1777	+	void assertNotSerialEquals(Object x, Object y) {
1778	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1779	+	}
1780	+
1781	+	byte[] serialBytes(Object o) {
1782	+	try {
1783	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1784	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1785	+	oos.writeObject(o);
1786	+	oos.flush();
1787	+	oos.close();
1788	+	return bos.toByteArray();
1789	+	} catch (Throwable fail) {
1790	+	threadUnexpectedException(fail);
1791	+	return new byte[0];
1792	+	}
1793	+	}
1794	+
1795	+	@SuppressWarnings("unchecked")
1796	+	<T> T serialClone(T o) {
1797	+	try {
1798	+	ObjectInputStream ois = new ObjectInputStream
1799	+	(new ByteArrayInputStream(serialBytes(o)));
1800	+	T clone = (T) ois.readObject();
1801	+	assertSame(o.getClass(), clone.getClass());
1802	+	return clone;
1803	+	} catch (Throwable fail) {
1804	+	threadUnexpectedException(fail);
1805	+	return null;
1806	+	}
1807	+	}
1808	+
1809	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1810	+	Runnable... throwingActions) {
1811	+	for (Runnable throwingAction : throwingActions) {
1812	+	boolean threw = false;
1813	+	try { throwingAction.run(); }
1814	+	catch (Throwable t) {
1815	+	threw = true;
1816	+	if (!expectedExceptionClass.isInstance(t)) {
1817	+	AssertionFailedError afe =
1818	+	new AssertionFailedError
1819	+	("Expected " + expectedExceptionClass.getName() +
1820	+	", got " + t.getClass().getName());
1821	+	afe.initCause(t);
1822	+	threadUnexpectedException(afe);
1823	+	}
1824	+	}
1825	+	if (!threw)
1826	+	shouldThrow(expectedExceptionClass.getName());
1827	+	}
1828	+	}
1829	+
1830	+	public void assertIteratorExhausted(Iterator<?> it) {
1831	+	try {
1832	+	it.next();
1833	+	shouldThrow();
1834	+	} catch (NoSuchElementException success) {}
1835	+	assertFalse(it.hasNext());
1836	+	}
1837	+
1838	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1839	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1840	+	}
1841	+
1842	+	public Runnable runnableThrowing(final RuntimeException ex) {
1843	+	return new Runnable() { public void run() { throw ex; }};
1844	+	}
1845	+
1846	+	/** A reusable thread pool to be shared by tests. */
1847	+	static final ExecutorService cachedThreadPool =
1848	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1849	+	1000L, MILLISECONDS,
1850	+	new SynchronousQueue<Runnable>());
1851	+
1852		}

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