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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.74 by jsr166, Tue Mar 15 19:47:06 2011 UTC vs.
Revision 1.188 by jsr166, Mon Feb 22 23:16:06 2016 UTC

#	Line 6 | Line 6
6		* Pat Fisher, Mike Judd.
7		*/
8
9	<	import junit.framework.*;
10	<	import java.util.Arrays;
11	<	import java.util.NoSuchElementException;
12	<	import java.util.PropertyPermission;
13	<	import java.util.concurrent.*;
14	<	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 21 | 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.ThreadFactory;
62	+	import java.util.concurrent.ThreadPoolExecutor;
63	+	import java.util.concurrent.TimeoutException;
64	+	import java.util.concurrent.atomic.AtomicBoolean;
65	+	import java.util.concurrent.atomic.AtomicReference;
66	+	import java.util.regex.Matcher;
67	+	import java.util.regex.Pattern;
68	+
69	+	import junit.framework.AssertionFailedError;
70	+	import junit.framework.Test;
71	+	import junit.framework.TestCase;
72	+	import junit.framework.TestResult;
73	+	import junit.framework.TestSuite;
74
75		/**
76		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 32 | Line 82 | import java.security.SecurityPermission;
82		*
83		* <ol>
84		*
85	<	* <li> All assertions in code running in generated threads must use
85	>	* <li>All assertions in code running in generated threads must use
86		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
87		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
88		* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
89		* particularly recommended) for other code to use these forms too.
90		* Only the most typically used JUnit assertion methods are defined
91	<	* this way, but enough to live with.</li>
91	>	* this way, but enough to live with.
92		*
93	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
93	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
94		* to invoke {@code super.setUp} and {@code super.tearDown} within
95		* them. These methods are used to clear and check for thread
96	<	* assertion failures.</li>
96	>	* assertion failures.
97		*
98		* <li>All delays and timeouts must use one of the constants {@code
99		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 54 | Line 104 | import java.security.SecurityPermission;
104		* is always discriminable as larger than SHORT and smaller than
105		* MEDIUM.  And so on. These constants are set to conservative values,
106		* but even so, if there is ever any doubt, they can all be increased
107	<	* in one spot to rerun tests on slower platforms.</li>
107	>	* in one spot to rerun tests on slower platforms.
108		*
109	<	* <li> All threads generated must be joined inside each test case
109	>	* <li>All threads generated must be joined inside each test case
110		* method (or {@code fail} to do so) before returning from the
111		* method. The {@code joinPool} method can be used to do this when
112	<	* using Executors.</li>
112	>	* using Executors.
113		*
114		* </ol>
115		*
116	<	* <p> <b>Other notes</b>
116	>	* <p><b>Other notes</b>
117		* <ul>
118		*
119	<	* <li> Usually, there is one testcase method per JSR166 method
119	>	* <li>Usually, there is one testcase method per JSR166 method
120		* covering "normal" operation, and then as many exception-testing
121		* methods as there are exceptions the method can throw. Sometimes
122		* there are multiple tests per JSR166 method when the different
123		* "normal" behaviors differ significantly. And sometimes testcases
124	<	* cover multiple methods when they cannot be tested in
75	<	* isolation.</li>
124	>	* cover multiple methods when they cannot be tested in isolation.
125		*
126	<	* <li> The documentation style for testcases is to provide as javadoc
126	>	* <li>The documentation style for testcases is to provide as javadoc
127		* a simple sentence or two describing the property that the testcase
128		* method purports to test. The javadocs do not say anything about how
129	<	* the property is tested. To find out, read the code.</li>
129	>	* the property is tested. To find out, read the code.
130		*
131	<	* <li> These tests are "conformance tests", and do not attempt to
131	>	* <li>These tests are "conformance tests", and do not attempt to
132		* test throughput, latency, scalability or other performance factors
133		* (see the separate "jtreg" tests for a set intended to check these
134		* for the most central aspects of functionality.) So, most tests use
135		* the smallest sensible numbers of threads, collection sizes, etc
136	<	* needed to check basic conformance.</li>
136	>	* needed to check basic conformance.
137		*
138		* <li>The test classes currently do not declare inclusion in
139		* any particular package to simplify things for people integrating
140	<	* them in TCK test suites.</li>
140	>	* them in TCK test suites.
141		*
142	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
143	<	* runs all JSR166 unit tests.</li>
142	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
143	>	* runs all JSR166 unit tests.
144		*
145		* </ul>
146		*/
#	Line 103 | Line 152 | public class JSR166TestCase extends Test
152		Boolean.getBoolean("jsr166.expensiveTests");
153
154		/**
155	+	* If true, also run tests that are not part of the official tck
156	+	* because they test unspecified implementation details.
157	+	*/
158	+	protected static final boolean testImplementationDetails =
159	+	Boolean.getBoolean("jsr166.testImplementationDetails");
160	+
161	+	/**
162		* If true, report on stdout all "slow" tests, that is, ones that
163		* take more than profileThreshold milliseconds to execute.
164		*/
#	Line 116 | Line 172 | public class JSR166TestCase extends Test
172		private static final long profileThreshold =
173		Long.getLong("jsr166.profileThreshold", 100);
174
175	+	/**
176	+	* The number of repetitions per test (for tickling rare bugs).
177	+	*/
178	+	private static final int runsPerTest =
179	+	Integer.getInteger("jsr166.runsPerTest", 1);
180	+
181	+	/**
182	+	* The number of repetitions of the test suite (for finding leaks?).
183	+	*/
184	+	private static final int suiteRuns =
185	+	Integer.getInteger("jsr166.suiteRuns", 1);
186	+
187	+	private static float systemPropertyValue(String name, float defaultValue) {
188	+	String floatString = System.getProperty(name);
189	+	if (floatString == null)
190	+	return defaultValue;
191	+	try {
192	+	return Float.parseFloat(floatString);
193	+	} catch (NumberFormatException ex) {
194	+	throw new IllegalArgumentException(
195	+	String.format("Bad float value in system property %s=%s",
196	+	name, floatString));
197	+	}
198	+	}
199	+
200	+	/**
201	+	* The scaling factor to apply to standard delays used in tests.
202	+	*/
203	+	private static final float delayFactor =
204	+	systemPropertyValue("jsr166.delay.factor", 1.0f);
205	+
206	+	/**
207	+	* The timeout factor as used in the jtreg test harness.
208	+	* See: http://openjdk.java.net/jtreg/tag-spec.html
209	+	*/
210	+	private static final float jtregTestTimeoutFactor
211	+	= systemPropertyValue("test.timeout.factor", 1.0f);
212	+
213	+	public JSR166TestCase() { super(); }
214	+	public JSR166TestCase(String name) { super(name); }
215	+
216	+	/**
217	+	* A filter for tests to run, matching strings of the form
218	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
219	+	* Usefully combined with jsr166.runsPerTest.
220	+	*/
221	+	private static final Pattern methodFilter = methodFilter();
222	+
223	+	private static Pattern methodFilter() {
224	+	String regex = System.getProperty("jsr166.methodFilter");
225	+	return (regex == null) ? null : Pattern.compile(regex);
226	+	}
227	+
228	+	// Instrumentation to debug very rare, but very annoying hung test runs.
229	+	static volatile TestCase currentTestCase;
230	+	// static volatile int currentRun = 0;
231	+	static {
232	+	Runnable checkForWedgedTest = new Runnable() { public void run() {
233	+	// Avoid spurious reports with enormous runsPerTest.
234	+	// A single test case run should never take more than 1 second.
235	+	// But let's cap it at the high end too ...
236	+	final int timeoutMinutes =
237	+	Math.min(15, Math.max(runsPerTest / 60, 1));
238	+	for (TestCase lastTestCase = currentTestCase;;) {
239	+	try { MINUTES.sleep(timeoutMinutes); }
240	+	catch (InterruptedException unexpected) { break; }
241	+	if (lastTestCase == currentTestCase) {
242	+	System.err.printf(
243	+	"Looks like we're stuck running test: %s%n",
244	+	lastTestCase);
245	+	//                     System.err.printf(
246	+	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
247	+	//                         lastTestCase, currentRun, runsPerTest);
248	+	//                     System.err.println("availableProcessors=" +
249	+	//                         Runtime.getRuntime().availableProcessors());
250	+	//                     System.err.printf("cpu model = %s%n", cpuModel());
251	+	dumpTestThreads();
252	+	// one stack dump is probably enough; more would be spam
253	+	break;
254	+	}
255	+	lastTestCase = currentTestCase;
256	+	}}};
257	+	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
258	+	thread.setDaemon(true);
259	+	thread.start();
260	+	}
261	+
262	+	//     public static String cpuModel() {
263	+	//         try {
264	+	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
265	+	//                 .matcher(new String(
266	+	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
267	+	//             matcher.find();
268	+	//             return matcher.group(1);
269	+	//         } catch (Exception ex) { return null; }
270	+	//     }
271	+
272	+	public void runBare() throws Throwable {
273	+	currentTestCase = this;
274	+	if (methodFilter == null
275	+	|| methodFilter.matcher(toString()).find())
276	+	super.runBare();
277	+	}
278	+
279		protected void runTest() throws Throwable {
280	<	if (profileTests)
281	<	runTestProfiled();
282	<	else
283	<	super.runTest();
280	>	for (int i = 0; i < runsPerTest; i++) {
281	>	// currentRun = i;
282	>	if (profileTests)
283	>	runTestProfiled();
284	>	else
285	>	super.runTest();
286	>	}
287		}
288
289		protected void runTestProfiled() throws Throwable {
290	<	long t0 = System.nanoTime();
291	<	try {
290	>	for (int i = 0; i < 2; i++) {
291	>	long startTime = System.nanoTime();
292		super.runTest();
293	<	} finally {
294	<	long elapsedMillis =
295	<	(System.nanoTime() - t0) / (1000L * 1000L);
296	<	if (elapsedMillis >= profileThreshold)
293	>	long elapsedMillis = millisElapsedSince(startTime);
294	>	if (elapsedMillis < profileThreshold)
295	>	break;
296	>	// Never report first run of any test; treat it as a
297	>	// warmup run, notably to trigger all needed classloading,
298	>	if (i > 0)
299		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
300		}
301		}
302
303		/**
304	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
304	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
305		*/
306		public static void main(String[] args) {
307	+	main(suite(), args);
308	+	}
309	+
310	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
311	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
312	+	long runTime;
313	+	public void startTest(Test test) {}
314	+	protected void printHeader(long runTime) {
315	+	this.runTime = runTime; // defer printing for later
316	+	}
317	+	protected void printFooter(TestResult result) {
318	+	if (result.wasSuccessful()) {
319	+	getWriter().println("OK (" + result.runCount() + " tests)"
320	+	+ "  Time: " + elapsedTimeAsString(runTime));
321	+	} else {
322	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
323	+	super.printFooter(result);
324	+	}
325	+	}
326	+	}
327	+
328	+	/**
329	+	* Returns a TestRunner that doesn't bother with unnecessary
330	+	* fluff, like printing a "." for each test case.
331	+	*/
332	+	static junit.textui.TestRunner newPithyTestRunner() {
333	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
334	+	runner.setPrinter(new PithyResultPrinter(System.out));
335	+	return runner;
336	+	}
337	+
338	+	/**
339	+	* Runs all unit tests in the given test suite.
340	+	* Actual behavior influenced by jsr166.* system properties.
341	+	*/
342	+	static void main(Test suite, String[] args) {
343		if (useSecurityManager) {
344		System.err.println("Setting a permissive security manager");
345		Policy.setPolicy(permissivePolicy());
346		System.setSecurityManager(new SecurityManager());
347		}
348	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
349	<
350	<	Test s = suite();
351	<	for (int i = 0; i < iters; ++i) {
151	<	junit.textui.TestRunner.run(s);
348	>	for (int i = 0; i < suiteRuns; i++) {
349	>	TestResult result = newPithyTestRunner().doRun(suite);
350	>	if (!result.wasSuccessful())
351	>	System.exit(1);
352		System.gc();
353		System.runFinalization();
354		}
155	–	System.exit(0);
355		}
356
357		public static TestSuite newTestSuite(Object... suiteOrClasses) {
#	Line 168 | Line 367 | public class JSR166TestCase extends Test
367		return suite;
368		}
369
370	+	public static void addNamedTestClasses(TestSuite suite,
371	+	String... testClassNames) {
372	+	for (String testClassName : testClassNames) {
373	+	try {
374	+	Class<?> testClass = Class.forName(testClassName);
375	+	Method m = testClass.getDeclaredMethod("suite",
376	+	new Class<?>[0]);
377	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
378	+	} catch (Exception e) {
379	+	throw new Error("Missing test class", e);
380	+	}
381	+	}
382	+	}
383	+
384	+	public static final double JAVA_CLASS_VERSION;
385	+	public static final String JAVA_SPECIFICATION_VERSION;
386	+	static {
387	+	try {
388	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
389	+	new java.security.PrivilegedAction<Double>() {
390	+	public Double run() {
391	+	return Double.valueOf(System.getProperty("java.class.version"));}});
392	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
393	+	new java.security.PrivilegedAction<String>() {
394	+	public String run() {
395	+	return System.getProperty("java.specification.version");}});
396	+	} catch (Throwable t) {
397	+	throw new Error(t);
398	+	}
399	+	}
400	+
401	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
402	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
403	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
404	+	public static boolean atLeastJava9() {
405	+	return JAVA_CLASS_VERSION >= 53.0
406	+	// As of 2015-09, java9 still uses 52.0 class file version
407	+	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
408	+	}
409	+	public static boolean atLeastJava10() {
410	+	return JAVA_CLASS_VERSION >= 54.0
411	+	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
412	+	}
413	+
414		/**
415		* Collects all JSR166 unit tests as one suite.
416		*/
417		public static Test suite() {
418	<	return newTestSuite(
418	>	// Java7+ test classes
419	>	TestSuite suite = newTestSuite(
420		ForkJoinPoolTest.suite(),
421		ForkJoinTaskTest.suite(),
422		RecursiveActionTest.suite(),
#	Line 237 | Line 481 | public class JSR166TestCase extends Test
481		TreeSetTest.suite(),
482		TreeSubMapTest.suite(),
483		TreeSubSetTest.suite());
484	+
485	+	// Java8+ test classes
486	+	if (atLeastJava8()) {
487	+	String[] java8TestClassNames = {
488	+	"Atomic8Test",
489	+	"CompletableFutureTest",
490	+	"ConcurrentHashMap8Test",
491	+	"CountedCompleterTest",
492	+	"DoubleAccumulatorTest",
493	+	"DoubleAdderTest",
494	+	"ForkJoinPool8Test",
495	+	"ForkJoinTask8Test",
496	+	"LongAccumulatorTest",
497	+	"LongAdderTest",
498	+	"SplittableRandomTest",
499	+	"StampedLockTest",
500	+	"SubmissionPublisherTest",
501	+	"ThreadLocalRandom8Test",
502	+	};
503	+	addNamedTestClasses(suite, java8TestClassNames);
504	+	}
505	+
506	+	// Java9+ test classes
507	+	if (atLeastJava9()) {
508	+	String[] java9TestClassNames = {
509	+	// Currently empty, but expecting varhandle tests
510	+	};
511	+	addNamedTestClasses(suite, java9TestClassNames);
512	+	}
513	+
514	+	return suite;
515		}
516
517	+	/** Returns list of junit-style test method names in given class. */
518	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
519	+	Method[] methods = testClass.getDeclaredMethods();
520	+	ArrayList<String> names = new ArrayList<String>(methods.length);
521	+	for (Method method : methods) {
522	+	if (method.getName().startsWith("test")
523	+	&& Modifier.isPublic(method.getModifiers())
524	+	// method.getParameterCount() requires jdk8+
525	+	&& method.getParameterTypes().length == 0) {
526	+	names.add(method.getName());
527	+	}
528	+	}
529	+	return names;
530	+	}
531	+
532	+	/**
533	+	* Returns junit-style testSuite for the given test class, but
534	+	* parameterized by passing extra data to each test.
535	+	*/
536	+	public static <ExtraData> Test parameterizedTestSuite
537	+	(Class<? extends JSR166TestCase> testClass,
538	+	Class<ExtraData> dataClass,
539	+	ExtraData data) {
540	+	try {
541	+	TestSuite suite = new TestSuite();
542	+	Constructor c =
543	+	testClass.getDeclaredConstructor(dataClass, String.class);
544	+	for (String methodName : testMethodNames(testClass))
545	+	suite.addTest((Test) c.newInstance(data, methodName));
546	+	return suite;
547	+	} catch (Exception e) {
548	+	throw new Error(e);
549	+	}
550	+	}
551	+
552	+	/**
553	+	* Returns junit-style testSuite for the jdk8 extension of the
554	+	* given test class, but parameterized by passing extra data to
555	+	* each test.  Uses reflection to allow compilation in jdk7.
556	+	*/
557	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
558	+	(Class<? extends JSR166TestCase> testClass,
559	+	Class<ExtraData> dataClass,
560	+	ExtraData data) {
561	+	if (atLeastJava8()) {
562	+	String name = testClass.getName();
563	+	String name8 = name.replaceAll("Test$", "8Test");
564	+	if (name.equals(name8)) throw new Error(name);
565	+	try {
566	+	return (Test)
567	+	Class.forName(name8)
568	+	.getMethod("testSuite", new Class[] { dataClass })
569	+	.invoke(null, data);
570	+	} catch (Exception e) {
571	+	throw new Error(e);
572	+	}
573	+	} else {
574	+	return new TestSuite();
575	+	}
576	+	}
577	+
578	+	// Delays for timing-dependent tests, in milliseconds.
579
580		public static long SHORT_DELAY_MS;
581		public static long SMALL_DELAY_MS;
582		public static long MEDIUM_DELAY_MS;
583		public static long LONG_DELAY_MS;
584
248	–
585		/**
586	<	* Returns the shortest timed delay. This could
587	<	* be reimplemented to use for example a Property.
586	>	* Returns the shortest timed delay. This can be scaled up for
587	>	* slow machines using the jsr166.delay.factor system property,
588	>	* or via jtreg's -timeoutFactor: flag.
589	>	* http://openjdk.java.net/jtreg/command-help.html
590		*/
591		protected long getShortDelay() {
592	<	return 50;
592	>	return (long) (50 * delayFactor * jtregTestTimeoutFactor);
593		}
594
257	–
595		/**
596		* Sets delays as multiples of SHORT_DELAY.
597		*/
#	Line 266 | Line 603 | public class JSR166TestCase extends Test
603		}
604
605		/**
606	+	* Returns a timeout in milliseconds to be used in tests that
607	+	* verify that operations block or time out.
608	+	*/
609	+	long timeoutMillis() {
610	+	return SHORT_DELAY_MS / 4;
611	+	}
612	+
613	+	/**
614	+	* Returns a new Date instance representing a time at least
615	+	* delayMillis milliseconds in the future.
616	+	*/
617	+	Date delayedDate(long delayMillis) {
618	+	// Add 1 because currentTimeMillis is known to round into the past.
619	+	return new Date(System.currentTimeMillis() + delayMillis + 1);
620	+	}
621	+
622	+	/**
623		* The first exception encountered if any threadAssertXXX method fails.
624		*/
625		private final AtomicReference<Throwable> threadFailure
#	Line 278 | Line 632 | public class JSR166TestCase extends Test
632		* the same test have no effect.
633		*/
634		public void threadRecordFailure(Throwable t) {
635	+	System.err.println(t);
636	+	dumpTestThreads();
637		threadFailure.compareAndSet(null, t);
638		}
639
#	Line 285 | Line 641 | public class JSR166TestCase extends Test
641		setDelays();
642		}
643
644	+	void tearDownFail(String format, Object... args) {
645	+	String msg = toString() + ": " + String.format(format, args);
646	+	System.err.println(msg);
647	+	dumpTestThreads();
648	+	throw new AssertionFailedError(msg);
649	+	}
650	+
651		/**
652	+	* Extra checks that get done for all test cases.
653	+	*
654		* Triggers test case failure if any thread assertions have failed,
655		* by rethrowing, in the test harness thread, any exception recorded
656		* earlier by threadRecordFailure.
657	+	*
658	+	* Triggers test case failure if interrupt status is set in the main thread.
659		*/
660		public void tearDown() throws Exception {
661		Throwable t = threadFailure.getAndSet(null);
#	Line 306 | Line 673 | public class JSR166TestCase extends Test
673		throw afe;
674		}
675		}
676	+
677	+	if (Thread.interrupted())
678	+	tearDownFail("interrupt status set in main thread");
679	+
680	+	checkForkJoinPoolThreadLeaks();
681	+	}
682	+
683	+	/**
684	+	* Finds missing PoolCleaners
685	+	*/
686	+	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
687	+	Thread[] survivors = new Thread[7];
688	+	int count = Thread.enumerate(survivors);
689	+	for (int i = 0; i < count; i++) {
690	+	Thread thread = survivors[i];
691	+	String name = thread.getName();
692	+	if (name.startsWith("ForkJoinPool-")) {
693	+	// give thread some time to terminate
694	+	thread.join(LONG_DELAY_MS);
695	+	if (thread.isAlive())
696	+	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
697	+	thread);
698	+	}
699	+	}
700	+
701	+	if (!ForkJoinPool.commonPool()
702	+	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
703	+	tearDownFail("ForkJoin common pool thread stuck");
704		}
705
706		/**
#	Line 318 | Line 713 | public class JSR166TestCase extends Test
713		fail(reason);
714		} catch (AssertionFailedError t) {
715		threadRecordFailure(t);
716	<	fail(reason);
716	>	throw t;
717		}
718		}
719
#	Line 386 | Line 781 | public class JSR166TestCase extends Test
781		public void threadAssertEquals(Object x, Object y) {
782		try {
783		assertEquals(x, y);
784	<	} catch (AssertionFailedError t) {
785	<	threadRecordFailure(t);
786	<	throw t;
787	<	} catch (Throwable t) {
788	<	threadUnexpectedException(t);
784	>	} catch (AssertionFailedError fail) {
785	>	threadRecordFailure(fail);
786	>	throw fail;
787	>	} catch (Throwable fail) {
788	>	threadUnexpectedException(fail);
789		}
790		}
791
#	Line 402 | Line 797 | public class JSR166TestCase extends Test
797		public void threadAssertSame(Object x, Object y) {
798		try {
799		assertSame(x, y);
800	<	} catch (AssertionFailedError t) {
801	<	threadRecordFailure(t);
802	<	throw t;
800	>	} catch (AssertionFailedError fail) {
801	>	threadRecordFailure(fail);
802	>	throw fail;
803		}
804		}
805
#	Line 437 | Line 832 | public class JSR166TestCase extends Test
832		else {
833		AssertionFailedError afe =
834		new AssertionFailedError("unexpected exception: " + t);
835	<	t.initCause(t);
835	>	afe.initCause(t);
836		throw afe;
837		}
838		}
839
840		/**
841	+	* Delays, via Thread.sleep, for the given millisecond delay, but
842	+	* if the sleep is shorter than specified, may re-sleep or yield
843	+	* until time elapses.  Ensures that the given time, as measured
844	+	* by System.nanoTime(), has elapsed.
845	+	*/
846	+	static void delay(long millis) throws InterruptedException {
847	+	long nanos = millis * (1000 * 1000);
848	+	final long wakeupTime = System.nanoTime() + nanos;
849	+	do {
850	+	if (millis > 0L)
851	+	Thread.sleep(millis);
852	+	else // too short to sleep
853	+	Thread.yield();
854	+	nanos = wakeupTime - System.nanoTime();
855	+	millis = nanos / (1000 * 1000);
856	+	} while (nanos >= 0L);
857	+	}
858	+
859	+	/**
860	+	* Allows use of try-with-resources with per-test thread pools.
861	+	*/
862	+	class PoolCleaner implements AutoCloseable {
863	+	private final ExecutorService pool;
864	+	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
865	+	public void close() { joinPool(pool); }
866	+	}
867	+
868	+	/**
869	+	* An extension of PoolCleaner that has an action to release the pool.
870	+	*/
871	+	class PoolCleanerWithReleaser extends PoolCleaner {
872	+	private final Runnable releaser;
873	+	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
874	+	super(pool);
875	+	this.releaser = releaser;
876	+	}
877	+	public void close() {
878	+	try {
879	+	releaser.run();
880	+	} finally {
881	+	super.close();
882	+	}
883	+	}
884	+	}
885	+
886	+	PoolCleaner cleaner(ExecutorService pool) {
887	+	return new PoolCleaner(pool);
888	+	}
889	+
890	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
891	+	return new PoolCleanerWithReleaser(pool, releaser);
892	+	}
893	+
894	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
895	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
896	+	}
897	+
898	+	Runnable releaser(final CountDownLatch latch) {
899	+	return new Runnable() { public void run() {
900	+	do { latch.countDown(); }
901	+	while (latch.getCount() > 0);
902	+	}};
903	+	}
904	+
905	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
906	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
907	+	}
908	+
909	+	Runnable releaser(final AtomicBoolean flag) {
910	+	return new Runnable() { public void run() { flag.set(true); }};
911	+	}
912	+
913	+	/**
914		* Waits out termination of a thread pool or fails doing so.
915		*/
916	<	public void joinPool(ExecutorService exec) {
916	>	void joinPool(ExecutorService pool) {
917		try {
918	<	exec.shutdown();
919	<	assertTrue("ExecutorService did not terminate in a timely manner",
920	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
918	>	pool.shutdown();
919	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
920	>	try {
921	>	threadFail("ExecutorService " + pool +
922	>	" did not terminate in a timely manner");
923	>	} finally {
924	>	// last resort, for the benefit of subsequent tests
925	>	pool.shutdownNow();
926	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
927	>	}
928	>	}
929		} catch (SecurityException ok) {
930		// Allowed in case test doesn't have privs
931	<	} catch (InterruptedException ie) {
932	<	fail("Unexpected InterruptedException");
931	>	} catch (InterruptedException fail) {
932	>	threadFail("Unexpected InterruptedException");
933	>	}
934	>	}
935	>
936	>	/** Like Runnable, but with the freedom to throw anything */
937	>	interface Action { public void run() throws Throwable; }
938	>
939	>	/**
940	>	* Runs all the given actions in parallel, failing if any fail.
941	>	* Useful for running multiple variants of tests that are
942	>	* necessarily individually slow because they must block.
943	>	*/
944	>	void testInParallel(Action ... actions) {
945	>	ExecutorService pool = Executors.newCachedThreadPool();
946	>	try (PoolCleaner cleaner = cleaner(pool)) {
947	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
948	>	for (final Action action : actions)
949	>	futures.add(pool.submit(new CheckedRunnable() {
950	>	public void realRun() throws Throwable { action.run();}}));
951	>	for (Future<?> future : futures)
952	>	try {
953	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
954	>	} catch (ExecutionException ex) {
955	>	threadUnexpectedException(ex.getCause());
956	>	} catch (Exception ex) {
957	>	threadUnexpectedException(ex);
958	>	}
959	>	}
960	>	}
961	>
962	>	/**
963	>	* A debugging tool to print stack traces of most threads, as jstack does.
964	>	* Uninteresting threads are filtered out.
965	>	*/
966	>	static void dumpTestThreads() {
967	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
968	>	System.err.println("------ stacktrace dump start ------");
969	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
970	>	String name = info.getThreadName();
971	>	if ("Signal Dispatcher".equals(name))
972	>	continue;
973	>	if ("Reference Handler".equals(name)
974	>	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
975	>	continue;
976	>	if ("Finalizer".equals(name)
977	>	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
978	>	continue;
979	>	if ("checkForWedgedTest".equals(name))
980	>	continue;
981	>	System.err.print(info);
982	>	}
983	>	System.err.println("------ stacktrace dump end ------");
984	>	}
985	>
986	>	/**
987	>	* Checks that thread does not terminate within the default
988	>	* millisecond delay of {@code timeoutMillis()}.
989	>	*/
990	>	void assertThreadStaysAlive(Thread thread) {
991	>	assertThreadStaysAlive(thread, timeoutMillis());
992	>	}
993	>
994	>	/**
995	>	* Checks that thread does not terminate within the given millisecond delay.
996	>	*/
997	>	void assertThreadStaysAlive(Thread thread, long millis) {
998	>	try {
999	>	// No need to optimize the failing case via Thread.join.
1000	>	delay(millis);
1001	>	assertTrue(thread.isAlive());
1002	>	} catch (InterruptedException fail) {
1003	>	threadFail("Unexpected InterruptedException");
1004		}
1005		}
1006
1007	+	/**
1008	+	* Checks that the threads do not terminate within the default
1009	+	* millisecond delay of {@code timeoutMillis()}.
1010	+	*/
1011	+	void assertThreadsStayAlive(Thread... threads) {
1012	+	assertThreadsStayAlive(timeoutMillis(), threads);
1013	+	}
1014	+
1015	+	/**
1016	+	* Checks that the threads do not terminate within the given millisecond delay.
1017	+	*/
1018	+	void assertThreadsStayAlive(long millis, Thread... threads) {
1019	+	try {
1020	+	// No need to optimize the failing case via Thread.join.
1021	+	delay(millis);
1022	+	for (Thread thread : threads)
1023	+	assertTrue(thread.isAlive());
1024	+	} catch (InterruptedException fail) {
1025	+	threadFail("Unexpected InterruptedException");
1026	+	}
1027	+	}
1028	+
1029	+	/**
1030	+	* Checks that future.get times out, with the default timeout of
1031	+	* {@code timeoutMillis()}.
1032	+	*/
1033	+	void assertFutureTimesOut(Future future) {
1034	+	assertFutureTimesOut(future, timeoutMillis());
1035	+	}
1036	+
1037	+	/**
1038	+	* Checks that future.get times out, with the given millisecond timeout.
1039	+	*/
1040	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
1041	+	long startTime = System.nanoTime();
1042	+	try {
1043	+	future.get(timeoutMillis, MILLISECONDS);
1044	+	shouldThrow();
1045	+	} catch (TimeoutException success) {
1046	+	} catch (Exception fail) {
1047	+	threadUnexpectedException(fail);
1048	+	} finally { future.cancel(true); }
1049	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1050	+	}
1051
1052		/**
1053		* Fails with message "should throw exception".
#	Line 497 | Line 1088 | public class JSR166TestCase extends Test
1088		public static final Integer m6  = new Integer(-6);
1089		public static final Integer m10 = new Integer(-10);
1090
500	–
1091		/**
1092		* Runs Runnable r with a security policy that permits precisely
1093		* the specified permissions.  If there is no current security
#	Line 509 | Line 1099 | public class JSR166TestCase extends Test
1099		SecurityManager sm = System.getSecurityManager();
1100		if (sm == null) {
1101		r.run();
1102	+	}
1103	+	runWithSecurityManagerWithPermissions(r, permissions);
1104	+	}
1105	+
1106	+	/**
1107	+	* Runs Runnable r with a security policy that permits precisely
1108	+	* the specified permissions.  If there is no current security
1109	+	* manager, a temporary one is set for the duration of the
1110	+	* Runnable.  We require that any security manager permit
1111	+	* getPolicy/setPolicy.
1112	+	*/
1113	+	public void runWithSecurityManagerWithPermissions(Runnable r,
1114	+	Permission... permissions) {
1115	+	SecurityManager sm = System.getSecurityManager();
1116	+	if (sm == null) {
1117		Policy savedPolicy = Policy.getPolicy();
1118		try {
1119		Policy.setPolicy(permissivePolicy());
1120		System.setSecurityManager(new SecurityManager());
1121	<	runWithPermissions(r, permissions);
1121	>	runWithSecurityManagerWithPermissions(r, permissions);
1122		} finally {
1123		System.setSecurityManager(null);
1124		Policy.setPolicy(savedPolicy);
#	Line 561 | Line 1166 | public class JSR166TestCase extends Test
1166		return perms.implies(p);
1167		}
1168		public void refresh() {}
1169	+	public String toString() {
1170	+	List<Permission> ps = new ArrayList<Permission>();
1171	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1172	+	ps.add(e.nextElement());
1173	+	return "AdjustablePolicy with permissions " + ps;
1174	+	}
1175		}
1176
1177		/**
#	Line 588 | Line 1199 | public class JSR166TestCase extends Test
1199		*/
1200		void sleep(long millis) {
1201		try {
1202	<	Thread.sleep(millis);
1203	<	} catch (InterruptedException ie) {
1202	>	delay(millis);
1203	>	} catch (InterruptedException fail) {
1204		AssertionFailedError afe =
1205		new AssertionFailedError("Unexpected InterruptedException");
1206	<	afe.initCause(ie);
1206	>	afe.initCause(fail);
1207		throw afe;
1208		}
1209		}
1210
1211		/**
1212	<	* Sleeps until the timeout has elapsed, or interrupted.
602	<	* Does <em>NOT</em> throw InterruptedException.
603	<	*/
604	<	void sleepTillInterrupted(long timeoutMillis) {
605	<	try {
606	<	Thread.sleep(timeoutMillis);
607	<	} catch (InterruptedException wakeup) {}
608	<	}
609	<
610	<	/**
611	<	* Waits up to the specified number of milliseconds for the given
1212	>	* Spin-waits up to the specified number of milliseconds for the given
1213		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1214		*/
1215		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1216	<	long timeoutNanos = timeoutMillis * 1000L * 1000L;
616	<	long t0 = System.nanoTime();
1216	>	long startTime = System.nanoTime();
1217		for (;;) {
1218		Thread.State s = thread.getState();
1219		if (s == Thread.State.BLOCKED ||
#	Line 622 | Line 1222 | public class JSR166TestCase extends Test
1222		return;
1223		else if (s == Thread.State.TERMINATED)
1224		fail("Unexpected thread termination");
1225	<	else if (System.nanoTime() - t0 > timeoutNanos) {
1225	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1226		threadAssertTrue(thread.isAlive());
1227		return;
1228		}
#	Line 631 | Line 1231 | public class JSR166TestCase extends Test
1231		}
1232
1233		/**
1234	+	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1235	+	* state: BLOCKED, WAITING, or TIMED_WAITING.
1236	+	*/
1237	+	void waitForThreadToEnterWaitState(Thread thread) {
1238	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1239	+	}
1240	+
1241	+	/**
1242		* Returns the number of milliseconds since time given by
1243		* startNanoTime, which must have been previously returned from a
1244	<	* call to {@link System.nanoTime()}.
1244	>	* call to {@link System#nanoTime()}.
1245		*/
1246	<	long millisElapsedSince(long startNanoTime) {
1246	>	static long millisElapsedSince(long startNanoTime) {
1247		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1248		}
1249
1250	+	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1251	+	//         long startTime = System.nanoTime();
1252	+	//         try {
1253	+	//             r.run();
1254	+	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1255	+	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1256	+	//             throw new AssertionFailedError("did not return promptly");
1257	+	//     }
1258	+
1259	+	//     void assertTerminatesPromptly(Runnable r) {
1260	+	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1261	+	//     }
1262	+
1263	+	/**
1264	+	* Checks that timed f.get() returns the expected value, and does not
1265	+	* wait for the timeout to elapse before returning.
1266	+	*/
1267	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1268	+	long startTime = System.nanoTime();
1269	+	try {
1270	+	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1271	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
1272	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
1273	+	throw new AssertionFailedError("timed get did not return promptly");
1274	+	}
1275	+
1276	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1277	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1278	+	}
1279	+
1280		/**
1281		* Returns a new started daemon Thread running the given runnable.
1282		*/
#	Line 657 | Line 1295 | public class JSR166TestCase extends Test
1295		void awaitTermination(Thread t, long timeoutMillis) {
1296		try {
1297		t.join(timeoutMillis);
1298	<	} catch (InterruptedException ie) {
1299	<	threadUnexpectedException(ie);
1298	>	} catch (InterruptedException fail) {
1299	>	threadUnexpectedException(fail);
1300		} finally {
1301	<	if (t.isAlive()) {
1301	>	if (t.getState() != Thread.State.TERMINATED) {
1302		t.interrupt();
1303	<	fail("Test timed out");
1303	>	threadFail("timed out waiting for thread to terminate");
1304		}
1305		}
1306		}
1307
1308	+	/**
1309	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1310	+	* terminate (using {@link Thread#join(long)}), else interrupts
1311	+	* the thread (in the hope that it may terminate later) and fails.
1312	+	*/
1313	+	void awaitTermination(Thread t) {
1314	+	awaitTermination(t, LONG_DELAY_MS);
1315	+	}
1316	+
1317		// Some convenient Runnable classes
1318
1319		public abstract class CheckedRunnable implements Runnable {
#	Line 675 | Line 1322 | public class JSR166TestCase extends Test
1322		public final void run() {
1323		try {
1324		realRun();
1325	<	} catch (Throwable t) {
1326	<	threadUnexpectedException(t);
1325	>	} catch (Throwable fail) {
1326	>	threadUnexpectedException(fail);
1327		}
1328		}
1329		}
#	Line 729 | Line 1376 | public class JSR166TestCase extends Test
1376		realRun();
1377		threadShouldThrow("InterruptedException");
1378		} catch (InterruptedException success) {
1379	<	} catch (Throwable t) {
1380	<	threadUnexpectedException(t);
1379	>	threadAssertFalse(Thread.interrupted());
1380	>	} catch (Throwable fail) {
1381	>	threadUnexpectedException(fail);
1382		}
1383		}
1384		}
#	Line 741 | Line 1389 | public class JSR166TestCase extends Test
1389		public final T call() {
1390		try {
1391		return realCall();
1392	<	} catch (Throwable t) {
1393	<	threadUnexpectedException(t);
1392	>	} catch (Throwable fail) {
1393	>	threadUnexpectedException(fail);
1394		return null;
1395		}
1396		}
#	Line 758 | Line 1406 | public class JSR166TestCase extends Test
1406		threadShouldThrow("InterruptedException");
1407		return result;
1408		} catch (InterruptedException success) {
1409	<	} catch (Throwable t) {
1410	<	threadUnexpectedException(t);
1409	>	threadAssertFalse(Thread.interrupted());
1410	>	} catch (Throwable fail) {
1411	>	threadUnexpectedException(fail);
1412		}
1413		return null;
1414		}
#	Line 776 | Line 1425 | public class JSR166TestCase extends Test
1425		public static final String TEST_STRING = "a test string";
1426
1427		public static class StringTask implements Callable<String> {
1428	<	public String call() { return TEST_STRING; }
1428	>	final String value;
1429	>	public StringTask() { this(TEST_STRING); }
1430	>	public StringTask(String value) { this.value = value; }
1431	>	public String call() { return value; }
1432		}
1433
1434		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
#	Line 789 | Line 1441 | public class JSR166TestCase extends Test
1441		}};
1442		}
1443
1444	<	public Runnable awaiter(final CountDownLatch latch) {
1444	>	public Runnable countDowner(final CountDownLatch latch) {
1445		return new CheckedRunnable() {
1446		public void realRun() throws InterruptedException {
1447	<	latch.await();
1447	>	latch.countDown();
1448		}};
1449		}
1450
1451	+	class LatchAwaiter extends CheckedRunnable {
1452	+	static final int NEW = 0;
1453	+	static final int RUNNING = 1;
1454	+	static final int DONE = 2;
1455	+	final CountDownLatch latch;
1456	+	int state = NEW;
1457	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1458	+	public void realRun() throws InterruptedException {
1459	+	state = 1;
1460	+	await(latch);
1461	+	state = 2;
1462	+	}
1463	+	}
1464	+
1465	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1466	+	return new LatchAwaiter(latch);
1467	+	}
1468	+
1469	+	public void await(CountDownLatch latch, long timeoutMillis) {
1470	+	try {
1471	+	if (!latch.await(timeoutMillis, MILLISECONDS))
1472	+	fail("timed out waiting for CountDownLatch for "
1473	+	+ (timeoutMillis/1000) + " sec");
1474	+	} catch (Throwable fail) {
1475	+	threadUnexpectedException(fail);
1476	+	}
1477	+	}
1478	+
1479	+	public void await(CountDownLatch latch) {
1480	+	await(latch, LONG_DELAY_MS);
1481	+	}
1482	+
1483	+	public void await(Semaphore semaphore) {
1484	+	try {
1485	+	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1486	+	fail("timed out waiting for Semaphore for "
1487	+	+ (LONG_DELAY_MS/1000) + " sec");
1488	+	} catch (Throwable fail) {
1489	+	threadUnexpectedException(fail);
1490	+	}
1491	+	}
1492	+
1493	+	//     /**
1494	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1495	+	//      */
1496	+	//     public void await(AtomicBoolean flag) {
1497	+	//         await(flag, LONG_DELAY_MS);
1498	+	//     }
1499	+
1500	+	//     /**
1501	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1502	+	//      */
1503	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1504	+	//         long startTime = System.nanoTime();
1505	+	//         while (!flag.get()) {
1506	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1507	+	//                 throw new AssertionFailedError("timed out");
1508	+	//             Thread.yield();
1509	+	//         }
1510	+	//     }
1511	+
1512		public static class NPETask implements Callable<String> {
1513		public String call() { throw new NullPointerException(); }
1514		}
#	Line 806 | Line 1519 | public class JSR166TestCase extends Test
1519
1520		public class ShortRunnable extends CheckedRunnable {
1521		protected void realRun() throws Throwable {
1522	<	Thread.sleep(SHORT_DELAY_MS);
1522	>	delay(SHORT_DELAY_MS);
1523		}
1524		}
1525
1526		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1527		protected void realRun() throws InterruptedException {
1528	<	Thread.sleep(SHORT_DELAY_MS);
1528	>	delay(SHORT_DELAY_MS);
1529		}
1530		}
1531
1532		public class SmallRunnable extends CheckedRunnable {
1533		protected void realRun() throws Throwable {
1534	<	Thread.sleep(SMALL_DELAY_MS);
1534	>	delay(SMALL_DELAY_MS);
1535		}
1536		}
1537
1538		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1539		protected void realRun() {
1540		try {
1541	<	Thread.sleep(SMALL_DELAY_MS);
1541	>	delay(SMALL_DELAY_MS);
1542		} catch (InterruptedException ok) {}
1543		}
1544		}
1545
1546		public class SmallCallable extends CheckedCallable {
1547		protected Object realCall() throws InterruptedException {
1548	<	Thread.sleep(SMALL_DELAY_MS);
1548	>	delay(SMALL_DELAY_MS);
1549		return Boolean.TRUE;
1550		}
1551		}
1552
1553		public class MediumRunnable extends CheckedRunnable {
1554		protected void realRun() throws Throwable {
1555	<	Thread.sleep(MEDIUM_DELAY_MS);
1555	>	delay(MEDIUM_DELAY_MS);
1556		}
1557		}
1558
1559		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1560		protected void realRun() throws InterruptedException {
1561	<	Thread.sleep(MEDIUM_DELAY_MS);
1561	>	delay(MEDIUM_DELAY_MS);
1562		}
1563		}
1564
#	Line 853 | Line 1566 | public class JSR166TestCase extends Test
1566		return new CheckedRunnable() {
1567		protected void realRun() {
1568		try {
1569	<	Thread.sleep(timeoutMillis);
1569	>	delay(timeoutMillis);
1570		} catch (InterruptedException ok) {}
1571		}};
1572		}
#	Line 861 | Line 1574 | public class JSR166TestCase extends Test
1574		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1575		protected void realRun() {
1576		try {
1577	<	Thread.sleep(MEDIUM_DELAY_MS);
1577	>	delay(MEDIUM_DELAY_MS);
1578		} catch (InterruptedException ok) {}
1579		}
1580		}
#	Line 869 | Line 1582 | public class JSR166TestCase extends Test
1582		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1583		protected void realRun() {
1584		try {
1585	<	Thread.sleep(LONG_DELAY_MS);
1585	>	delay(LONG_DELAY_MS);
1586		} catch (InterruptedException ok) {}
1587		}
1588		}
#	Line 893 | Line 1606 | public class JSR166TestCase extends Test
1606		public boolean isDone() { return done; }
1607		public void run() {
1608		try {
1609	<	Thread.sleep(timeoutMillis);
1609	>	delay(timeoutMillis);
1610		done = true;
1611		} catch (InterruptedException ok) {}
1612		}
#	Line 904 | Line 1617 | public class JSR166TestCase extends Test
1617		public volatile boolean done = false;
1618		public void run() {
1619		try {
1620	<	Thread.sleep(SHORT_DELAY_MS);
1620	>	delay(SHORT_DELAY_MS);
1621		done = true;
1622		} catch (InterruptedException ok) {}
1623		}
#	Line 914 | Line 1627 | public class JSR166TestCase extends Test
1627		public volatile boolean done = false;
1628		public void run() {
1629		try {
1630	<	Thread.sleep(SMALL_DELAY_MS);
1630	>	delay(SMALL_DELAY_MS);
1631		done = true;
1632		} catch (InterruptedException ok) {}
1633		}
#	Line 924 | Line 1637 | public class JSR166TestCase extends Test
1637		public volatile boolean done = false;
1638		public void run() {
1639		try {
1640	<	Thread.sleep(MEDIUM_DELAY_MS);
1640	>	delay(MEDIUM_DELAY_MS);
1641		done = true;
1642		} catch (InterruptedException ok) {}
1643		}
#	Line 934 | Line 1647 | public class JSR166TestCase extends Test
1647		public volatile boolean done = false;
1648		public void run() {
1649		try {
1650	<	Thread.sleep(LONG_DELAY_MS);
1650	>	delay(LONG_DELAY_MS);
1651		done = true;
1652		} catch (InterruptedException ok) {}
1653		}
#	Line 951 | Line 1664 | public class JSR166TestCase extends Test
1664		public volatile boolean done = false;
1665		public Object call() {
1666		try {
1667	<	Thread.sleep(SMALL_DELAY_MS);
1667	>	delay(SMALL_DELAY_MS);
1668		done = true;
1669		} catch (InterruptedException ok) {}
1670		return Boolean.TRUE;
#	Line 964 | Line 1677 | public class JSR166TestCase extends Test
1677		public abstract class CheckedRecursiveAction extends RecursiveAction {
1678		protected abstract void realCompute() throws Throwable;
1679
1680	<	public final void compute() {
1680	>	@Override protected final void compute() {
1681		try {
1682		realCompute();
1683	<	} catch (Throwable t) {
1684	<	threadUnexpectedException(t);
1683	>	} catch (Throwable fail) {
1684	>	threadUnexpectedException(fail);
1685		}
1686		}
1687		}
#	Line 979 | Line 1692 | public class JSR166TestCase extends Test
1692		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1693		protected abstract T realCompute() throws Throwable;
1694
1695	<	public final T compute() {
1695	>	@Override protected final T compute() {
1696		try {
1697		return realCompute();
1698	<	} catch (Throwable t) {
1699	<	threadUnexpectedException(t);
1698	>	} catch (Throwable fail) {
1699	>	threadUnexpectedException(fail);
1700		return null;
1701		}
1702		}
#	Line 998 | Line 1711 | public class JSR166TestCase extends Test
1711		}
1712
1713		/**
1714	<	* A CyclicBarrier that fails with AssertionFailedErrors instead
1715	<	* of throwing checked exceptions.
1714	>	* A CyclicBarrier that uses timed await and fails with
1715	>	* AssertionFailedErrors instead of throwing checked exceptions.
1716		*/
1717		public class CheckedBarrier extends CyclicBarrier {
1718		public CheckedBarrier(int parties) { super(parties); }
1719
1720		public int await() {
1721		try {
1722	<	return super.await();
1723	<	} catch (Exception e) {
1722	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1723	>	} catch (TimeoutException timedOut) {
1724	>	throw new AssertionFailedError("timed out");
1725	>	} catch (Exception fail) {
1726		AssertionFailedError afe =
1727	<	new AssertionFailedError("Unexpected exception: " + e);
1728	<	afe.initCause(e);
1727	>	new AssertionFailedError("Unexpected exception: " + fail);
1728	>	afe.initCause(fail);
1729		throw afe;
1730		}
1731		}
1732		}
1733
1734	<	public void checkEmpty(BlockingQueue q) {
1734	>	void checkEmpty(BlockingQueue q) {
1735		try {
1736		assertTrue(q.isEmpty());
1737		assertEquals(0, q.size());
#	Line 1038 | Line 1753 | public class JSR166TestCase extends Test
1753		q.remove();
1754		shouldThrow();
1755		} catch (NoSuchElementException success) {}
1756	<	} catch (InterruptedException ie) {
1757	<	threadUnexpectedException(ie);
1756	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1757	>	}
1758	>
1759	>	void assertSerialEquals(Object x, Object y) {
1760	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1761	>	}
1762	>
1763	>	void assertNotSerialEquals(Object x, Object y) {
1764	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1765	>	}
1766	>
1767	>	byte[] serialBytes(Object o) {
1768	>	try {
1769	>	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1770	>	ObjectOutputStream oos = new ObjectOutputStream(bos);
1771	>	oos.writeObject(o);
1772	>	oos.flush();
1773	>	oos.close();
1774	>	return bos.toByteArray();
1775	>	} catch (Throwable fail) {
1776	>	threadUnexpectedException(fail);
1777	>	return new byte[0];
1778	>	}
1779	>	}
1780	>
1781	>	@SuppressWarnings("unchecked")
1782	>	<T> T serialClone(T o) {
1783	>	try {
1784	>	ObjectInputStream ois = new ObjectInputStream
1785	>	(new ByteArrayInputStream(serialBytes(o)));
1786	>	T clone = (T) ois.readObject();
1787	>	assertSame(o.getClass(), clone.getClass());
1788	>	return clone;
1789	>	} catch (Throwable fail) {
1790	>	threadUnexpectedException(fail);
1791	>	return null;
1792	>	}
1793	>	}
1794	>
1795	>	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1796	>	Runnable... throwingActions) {
1797	>	for (Runnable throwingAction : throwingActions) {
1798	>	boolean threw = false;
1799	>	try { throwingAction.run(); }
1800	>	catch (Throwable t) {
1801	>	threw = true;
1802	>	if (!expectedExceptionClass.isInstance(t)) {
1803	>	AssertionFailedError afe =
1804	>	new AssertionFailedError
1805	>	("Expected " + expectedExceptionClass.getName() +
1806	>	", got " + t.getClass().getName());
1807	>	afe.initCause(t);
1808	>	threadUnexpectedException(afe);
1809	>	}
1810	>	}
1811	>	if (!threw)
1812	>	shouldThrow(expectedExceptionClass.getName());
1813		}
1814		}
1815
1816	+	public void assertIteratorExhausted(Iterator<?> it) {
1817	+	try {
1818	+	it.next();
1819	+	shouldThrow();
1820	+	} catch (NoSuchElementException success) {}
1821	+	assertFalse(it.hasNext());
1822	+	}
1823		}

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