ViewVC Help

View File | Revision Log | Show Annotations | Download File | Root Listing

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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.94 by jsr166, Mon Jan 21 19:32:19 2013 UTC vs.
Revision 1.229 by jsr166, Sun May 14 03:15:37 2017 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
2	>	* Written by Doug Lea and Martin Buchholz with assistance from
3	>	* members of JCP JSR-166 Expert Group and released to the public
4	>	* domain, as explained at
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		* Other contributors include Andrew Wright, Jeffrey Hayes,
7		* Pat Fisher, Mike Judd.
8		*/
9
10	<	import junit.framework.*;
10	>	/*
11	>	* @test
12	>	* @summary JSR-166 tck tests, in a number of variations.
13	>	*          The first is the conformance testing variant,
14	>	*          while others also test implementation details.
15	>	* @build *
16	>	* @modules java.management
17	>	* @run junit/othervm/timeout=1000 JSR166TestCase
18	>	* @run junit/othervm/timeout=1000
19	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
20	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
21	>	*      -Djsr166.testImplementationDetails=true
22	>	*      JSR166TestCase
23	>	* @run junit/othervm/timeout=1000
24	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
25	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
26	>	*      -Djsr166.testImplementationDetails=true
27	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=0
28	>	*      JSR166TestCase
29	>	* @run junit/othervm/timeout=1000
30	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
31	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
32	>	*      -Djsr166.testImplementationDetails=true
33	>	*      -Djava.util.concurrent.ForkJoinPool.common.parallelism=1
34	>	*      -Djava.util.secureRandomSeed=true
35	>	*      JSR166TestCase
36	>	* @run junit/othervm/timeout=1000/policy=tck.policy
37	>	*      --add-opens java.base/java.util.concurrent=ALL-UNNAMED
38	>	*      --add-opens java.base/java.lang=ALL-UNNAMED
39	>	*      -Djsr166.testImplementationDetails=true
40	>	*      JSR166TestCase
41	>	*/
42	>
43	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
44	>	import static java.util.concurrent.TimeUnit.MINUTES;
45	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
46	>
47		import java.io.ByteArrayInputStream;
48		import java.io.ByteArrayOutputStream;
49		import java.io.ObjectInputStream;
50		import java.io.ObjectOutputStream;
51	+	import java.lang.management.ManagementFactory;
52	+	import java.lang.management.ThreadInfo;
53	+	import java.lang.management.ThreadMXBean;
54	+	import java.lang.reflect.Constructor;
55	+	import java.lang.reflect.Method;
56	+	import java.lang.reflect.Modifier;
57	+	import java.security.CodeSource;
58	+	import java.security.Permission;
59	+	import java.security.PermissionCollection;
60	+	import java.security.Permissions;
61	+	import java.security.Policy;
62	+	import java.security.ProtectionDomain;
63	+	import java.security.SecurityPermission;
64		import java.util.ArrayList;
65		import java.util.Arrays;
66	+	import java.util.Collection;
67	+	import java.util.Collections;
68		import java.util.Date;
69		import java.util.Enumeration;
70	+	import java.util.Iterator;
71		import java.util.List;
72		import java.util.NoSuchElementException;
73		import java.util.PropertyPermission;
74	<	import java.util.concurrent.*;
74	>	import java.util.concurrent.BlockingQueue;
75	>	import java.util.concurrent.Callable;
76	>	import java.util.concurrent.CountDownLatch;
77	>	import java.util.concurrent.CyclicBarrier;
78	>	import java.util.concurrent.ExecutionException;
79	>	import java.util.concurrent.Executors;
80	>	import java.util.concurrent.ExecutorService;
81	>	import java.util.concurrent.ForkJoinPool;
82	>	import java.util.concurrent.Future;
83	>	import java.util.concurrent.RecursiveAction;
84	>	import java.util.concurrent.RecursiveTask;
85	>	import java.util.concurrent.RejectedExecutionHandler;
86	>	import java.util.concurrent.Semaphore;
87	>	import java.util.concurrent.SynchronousQueue;
88	>	import java.util.concurrent.ThreadFactory;
89	>	import java.util.concurrent.ThreadLocalRandom;
90	>	import java.util.concurrent.ThreadPoolExecutor;
91	>	import java.util.concurrent.TimeoutException;
92		import java.util.concurrent.atomic.AtomicBoolean;
93		import java.util.concurrent.atomic.AtomicReference;
94	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
95	<	import static java.util.concurrent.TimeUnit.NANOSECONDS;
96	<	import java.security.CodeSource;
97	<	import java.security.Permission;
98	<	import java.security.PermissionCollection;
99	<	import java.security.Permissions;
100	<	import java.security.Policy;
31	<	import java.security.ProtectionDomain;
32	<	import java.security.SecurityPermission;
94	>	import java.util.regex.Pattern;
95	>
96	>	import junit.framework.AssertionFailedError;
97	>	import junit.framework.Test;
98	>	import junit.framework.TestCase;
99	>	import junit.framework.TestResult;
100	>	import junit.framework.TestSuite;
101
102		/**
103		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 41 | Line 109 | import java.security.SecurityPermission;
109		*
110		* <ol>
111		*
112	<	* <li> All assertions in code running in generated threads must use
112	>	* <li>All assertions in code running in generated threads must use
113		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
114		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
115		* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
116		* particularly recommended) for other code to use these forms too.
117		* Only the most typically used JUnit assertion methods are defined
118	<	* this way, but enough to live with.</li>
118	>	* this way, but enough to live with.
119		*
120	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
120	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
121		* to invoke {@code super.setUp} and {@code super.tearDown} within
122		* them. These methods are used to clear and check for thread
123	<	* assertion failures.</li>
123	>	* assertion failures.
124		*
125		* <li>All delays and timeouts must use one of the constants {@code
126		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 63 | Line 131 | import java.security.SecurityPermission;
131		* is always discriminable as larger than SHORT and smaller than
132		* MEDIUM.  And so on. These constants are set to conservative values,
133		* but even so, if there is ever any doubt, they can all be increased
134	<	* in one spot to rerun tests on slower platforms.</li>
134	>	* in one spot to rerun tests on slower platforms.
135		*
136	<	* <li> All threads generated must be joined inside each test case
136	>	* <li>All threads generated must be joined inside each test case
137		* method (or {@code fail} to do so) before returning from the
138		* method. The {@code joinPool} method can be used to do this when
139	<	* using Executors.</li>
139	>	* using Executors.
140		*
141		* </ol>
142		*
143		* <p><b>Other notes</b>
144		* <ul>
145		*
146	<	* <li> Usually, there is one testcase method per JSR166 method
146	>	* <li>Usually, there is one testcase method per JSR166 method
147		* covering "normal" operation, and then as many exception-testing
148		* methods as there are exceptions the method can throw. Sometimes
149		* there are multiple tests per JSR166 method when the different
150		* "normal" behaviors differ significantly. And sometimes testcases
151	<	* cover multiple methods when they cannot be tested in
84	<	* isolation.</li>
151	>	* cover multiple methods when they cannot be tested in isolation.
152		*
153	<	* <li> The documentation style for testcases is to provide as javadoc
153	>	* <li>The documentation style for testcases is to provide as javadoc
154		* a simple sentence or two describing the property that the testcase
155		* method purports to test. The javadocs do not say anything about how
156	<	* the property is tested. To find out, read the code.</li>
156	>	* the property is tested. To find out, read the code.
157		*
158	<	* <li> These tests are "conformance tests", and do not attempt to
158	>	* <li>These tests are "conformance tests", and do not attempt to
159		* test throughput, latency, scalability or other performance factors
160		* (see the separate "jtreg" tests for a set intended to check these
161		* for the most central aspects of functionality.) So, most tests use
162		* the smallest sensible numbers of threads, collection sizes, etc
163	<	* needed to check basic conformance.</li>
163	>	* needed to check basic conformance.
164		*
165		* <li>The test classes currently do not declare inclusion in
166		* any particular package to simplify things for people integrating
167	<	* them in TCK test suites.</li>
167	>	* them in TCK test suites.
168		*
169	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
170	<	* runs all JSR166 unit tests.</li>
169	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
170	>	* runs all JSR166 unit tests.
171		*
172		* </ul>
173		*/
#	Line 112 | Line 179 | public class JSR166TestCase extends Test
179		Boolean.getBoolean("jsr166.expensiveTests");
180
181		/**
182	+	* If true, also run tests that are not part of the official tck
183	+	* because they test unspecified implementation details.
184	+	*/
185	+	protected static final boolean testImplementationDetails =
186	+	Boolean.getBoolean("jsr166.testImplementationDetails");
187	+
188	+	/**
189		* If true, report on stdout all "slow" tests, that is, ones that
190		* take more than profileThreshold milliseconds to execute.
191		*/
#	Line 125 | Line 199 | public class JSR166TestCase extends Test
199		private static final long profileThreshold =
200		Long.getLong("jsr166.profileThreshold", 100);
201
202	+	/**
203	+	* The number of repetitions per test (for tickling rare bugs).
204	+	*/
205	+	private static final int runsPerTest =
206	+	Integer.getInteger("jsr166.runsPerTest", 1);
207	+
208	+	/**
209	+	* The number of repetitions of the test suite (for finding leaks?).
210	+	*/
211	+	private static final int suiteRuns =
212	+	Integer.getInteger("jsr166.suiteRuns", 1);
213	+
214	+	/**
215	+	* Returns the value of the system property, or NaN if not defined.
216	+	*/
217	+	private static float systemPropertyValue(String name) {
218	+	String floatString = System.getProperty(name);
219	+	if (floatString == null)
220	+	return Float.NaN;
221	+	try {
222	+	return Float.parseFloat(floatString);
223	+	} catch (NumberFormatException ex) {
224	+	throw new IllegalArgumentException(
225	+	String.format("Bad float value in system property %s=%s",
226	+	name, floatString));
227	+	}
228	+	}
229	+
230	+	/**
231	+	* The scaling factor to apply to standard delays used in tests.
232	+	* May be initialized from any of:
233	+	* - the "jsr166.delay.factor" system property
234	+	* - the "test.timeout.factor" system property (as used by jtreg)
235	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
236	+	* - hard-coded fuzz factor when using a known slowpoke VM
237	+	*/
238	+	private static final float delayFactor = delayFactor();
239	+
240	+	private static float delayFactor() {
241	+	float x;
242	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
243	+	return x;
244	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
245	+	return x;
246	+	String prop = System.getProperty("java.vm.version");
247	+	if (prop != null && prop.matches(".*debug.*"))
248	+	return 4.0f; // How much slower is fastdebug than product?!
249	+	return 1.0f;
250	+	}
251	+
252	+	public JSR166TestCase() { super(); }
253	+	public JSR166TestCase(String name) { super(name); }
254	+
255	+	/**
256	+	* A filter for tests to run, matching strings of the form
257	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
258	+	* Usefully combined with jsr166.runsPerTest.
259	+	*/
260	+	private static final Pattern methodFilter = methodFilter();
261	+
262	+	private static Pattern methodFilter() {
263	+	String regex = System.getProperty("jsr166.methodFilter");
264	+	return (regex == null) ? null : Pattern.compile(regex);
265	+	}
266	+
267	+	// Instrumentation to debug very rare, but very annoying hung test runs.
268	+	static volatile TestCase currentTestCase;
269	+	// static volatile int currentRun = 0;
270	+	static {
271	+	Runnable checkForWedgedTest = new Runnable() { public void run() {
272	+	// Avoid spurious reports with enormous runsPerTest.
273	+	// A single test case run should never take more than 1 second.
274	+	// But let's cap it at the high end too ...
275	+	final int timeoutMinutes =
276	+	Math.min(15, Math.max(runsPerTest / 60, 1));
277	+	for (TestCase lastTestCase = currentTestCase;;) {
278	+	try { MINUTES.sleep(timeoutMinutes); }
279	+	catch (InterruptedException unexpected) { break; }
280	+	if (lastTestCase == currentTestCase) {
281	+	System.err.printf(
282	+	"Looks like we're stuck running test: %s%n",
283	+	lastTestCase);
284	+	//                     System.err.printf(
285	+	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
286	+	//                         lastTestCase, currentRun, runsPerTest);
287	+	//                     System.err.println("availableProcessors=" +
288	+	//                         Runtime.getRuntime().availableProcessors());
289	+	//                     System.err.printf("cpu model = %s%n", cpuModel());
290	+	dumpTestThreads();
291	+	// one stack dump is probably enough; more would be spam
292	+	break;
293	+	}
294	+	lastTestCase = currentTestCase;
295	+	}}};
296	+	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
297	+	thread.setDaemon(true);
298	+	thread.start();
299	+	}
300	+
301	+	//     public static String cpuModel() {
302	+	//         try {
303	+	//             java.util.regex.Matcher matcher
304	+	//               = Pattern.compile("model name\\s*: (.*)")
305	+	//                 .matcher(new String(
306	+	//                     java.nio.file.Files.readAllBytes(
307	+	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
308	+	//             matcher.find();
309	+	//             return matcher.group(1);
310	+	//         } catch (Exception ex) { return null; }
311	+	//     }
312	+
313	+	public void runBare() throws Throwable {
314	+	currentTestCase = this;
315	+	if (methodFilter == null
316	+	|| methodFilter.matcher(toString()).find())
317	+	super.runBare();
318	+	}
319	+
320		protected void runTest() throws Throwable {
321	<	if (profileTests)
322	<	runTestProfiled();
323	<	else
324	<	super.runTest();
321	>	for (int i = 0; i < runsPerTest; i++) {
322	>	// currentRun = i;
323	>	if (profileTests)
324	>	runTestProfiled();
325	>	else
326	>	super.runTest();
327	>	}
328		}
329
330		protected void runTestProfiled() throws Throwable {
331	<	long t0 = System.nanoTime();
332	<	try {
331	>	for (int i = 0; i < 2; i++) {
332	>	long startTime = System.nanoTime();
333		super.runTest();
334	<	} finally {
335	<	long elapsedMillis =
336	<	(System.nanoTime() - t0) / (1000L * 1000L);
337	<	if (elapsedMillis >= profileThreshold)
334	>	long elapsedMillis = millisElapsedSince(startTime);
335	>	if (elapsedMillis < profileThreshold)
336	>	break;
337	>	// Never report first run of any test; treat it as a
338	>	// warmup run, notably to trigger all needed classloading,
339	>	if (i > 0)
340		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
341		}
342		}
343
344		/**
345		* Runs all JSR166 unit tests using junit.textui.TestRunner.
149	–	* Optional command line arg provides the number of iterations to
150	–	* repeat running the tests.
346		*/
347		public static void main(String[] args) {
348	+	main(suite(), args);
349	+	}
350	+
351	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
352	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
353	+	long runTime;
354	+	public void startTest(Test test) {}
355	+	protected void printHeader(long runTime) {
356	+	this.runTime = runTime; // defer printing for later
357	+	}
358	+	protected void printFooter(TestResult result) {
359	+	if (result.wasSuccessful()) {
360	+	getWriter().println("OK (" + result.runCount() + " tests)"
361	+	+ "  Time: " + elapsedTimeAsString(runTime));
362	+	} else {
363	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
364	+	super.printFooter(result);
365	+	}
366	+	}
367	+	}
368	+
369	+	/**
370	+	* Returns a TestRunner that doesn't bother with unnecessary
371	+	* fluff, like printing a "." for each test case.
372	+	*/
373	+	static junit.textui.TestRunner newPithyTestRunner() {
374	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
375	+	runner.setPrinter(new PithyResultPrinter(System.out));
376	+	return runner;
377	+	}
378	+
379	+	/**
380	+	* Runs all unit tests in the given test suite.
381	+	* Actual behavior influenced by jsr166.* system properties.
382	+	*/
383	+	static void main(Test suite, String[] args) {
384		if (useSecurityManager) {
385		System.err.println("Setting a permissive security manager");
386		Policy.setPolicy(permissivePolicy());
387		System.setSecurityManager(new SecurityManager());
388		}
389	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
390	<
391	<	Test s = suite();
392	<	for (int i = 0; i < iters; ++i) {
162	<	junit.textui.TestRunner.run(s);
389	>	for (int i = 0; i < suiteRuns; i++) {
390	>	TestResult result = newPithyTestRunner().doRun(suite);
391	>	if (!result.wasSuccessful())
392	>	System.exit(1);
393		System.gc();
394		System.runFinalization();
395		}
166	–	System.exit(0);
396		}
397
398		public static TestSuite newTestSuite(Object... suiteOrClasses) {
#	Line 179 | Line 408 | public class JSR166TestCase extends Test
408		return suite;
409		}
410
411	+	public static void addNamedTestClasses(TestSuite suite,
412	+	String... testClassNames) {
413	+	for (String testClassName : testClassNames) {
414	+	try {
415	+	Class<?> testClass = Class.forName(testClassName);
416	+	Method m = testClass.getDeclaredMethod("suite",
417	+	new Class<?>[0]);
418	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
419	+	} catch (Exception e) {
420	+	throw new Error("Missing test class", e);
421	+	}
422	+	}
423	+	}
424	+
425	+	public static final double JAVA_CLASS_VERSION;
426	+	public static final String JAVA_SPECIFICATION_VERSION;
427	+	static {
428	+	try {
429	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
430	+	new java.security.PrivilegedAction<Double>() {
431	+	public Double run() {
432	+	return Double.valueOf(System.getProperty("java.class.version"));}});
433	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
434	+	new java.security.PrivilegedAction<String>() {
435	+	public String run() {
436	+	return System.getProperty("java.specification.version");}});
437	+	} catch (Throwable t) {
438	+	throw new Error(t);
439	+	}
440	+	}
441	+
442	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
443	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
444	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
445	+	public static boolean atLeastJava9() {
446	+	return JAVA_CLASS_VERSION >= 53.0
447	+	// As of 2015-09, java9 still uses 52.0 class file version
448	+	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
449	+	}
450	+	public static boolean atLeastJava10() {
451	+	return JAVA_CLASS_VERSION >= 54.0
452	+	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
453	+	}
454	+
455		/**
456		* Collects all JSR166 unit tests as one suite.
457		*/
458		public static Test suite() {
459	<	return newTestSuite(
459	>	// Java7+ test classes
460	>	TestSuite suite = newTestSuite(
461		ForkJoinPoolTest.suite(),
462		ForkJoinTaskTest.suite(),
463		RecursiveActionTest.suite(),
#	Line 197 | Line 471 | public class JSR166TestCase extends Test
471		AbstractQueuedLongSynchronizerTest.suite(),
472		ArrayBlockingQueueTest.suite(),
473		ArrayDequeTest.suite(),
474	+	ArrayListTest.suite(),
475		AtomicBooleanTest.suite(),
476		AtomicIntegerArrayTest.suite(),
477		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 219 | Line 494 | public class JSR166TestCase extends Test
494		CopyOnWriteArrayListTest.suite(),
495		CopyOnWriteArraySetTest.suite(),
496		CountDownLatchTest.suite(),
497	+	CountedCompleterTest.suite(),
498		CyclicBarrierTest.suite(),
499		DelayQueueTest.suite(),
500		EntryTest.suite(),
#	Line 247 | Line 523 | public class JSR166TestCase extends Test
523		TreeMapTest.suite(),
524		TreeSetTest.suite(),
525		TreeSubMapTest.suite(),
526	<	TreeSubSetTest.suite());
526	>	TreeSubSetTest.suite(),
527	>	VectorTest.suite());
528	>
529	>	// Java8+ test classes
530	>	if (atLeastJava8()) {
531	>	String[] java8TestClassNames = {
532	>	"ArrayDeque8Test",
533	>	"Atomic8Test",
534	>	"CompletableFutureTest",
535	>	"ConcurrentHashMap8Test",
536	>	"CountedCompleter8Test",
537	>	"DoubleAccumulatorTest",
538	>	"DoubleAdderTest",
539	>	"ForkJoinPool8Test",
540	>	"ForkJoinTask8Test",
541	>	"LinkedBlockingDeque8Test",
542	>	"LinkedBlockingQueue8Test",
543	>	"LongAccumulatorTest",
544	>	"LongAdderTest",
545	>	"SplittableRandomTest",
546	>	"StampedLockTest",
547	>	"SubmissionPublisherTest",
548	>	"ThreadLocalRandom8Test",
549	>	"TimeUnit8Test",
550	>	};
551	>	addNamedTestClasses(suite, java8TestClassNames);
552	>	}
553	>
554	>	// Java9+ test classes
555	>	if (atLeastJava9()) {
556	>	String[] java9TestClassNames = {
557	>	"AtomicBoolean9Test",
558	>	"AtomicInteger9Test",
559	>	"AtomicIntegerArray9Test",
560	>	"AtomicLong9Test",
561	>	"AtomicLongArray9Test",
562	>	"AtomicReference9Test",
563	>	"AtomicReferenceArray9Test",
564	>	"ExecutorCompletionService9Test",
565	>	"ForkJoinPool9Test",
566	>	};
567	>	addNamedTestClasses(suite, java9TestClassNames);
568	>	}
569	>
570	>	return suite;
571	>	}
572	>
573	>	/** Returns list of junit-style test method names in given class. */
574	>	public static ArrayList<String> testMethodNames(Class<?> testClass) {
575	>	Method[] methods = testClass.getDeclaredMethods();
576	>	ArrayList<String> names = new ArrayList<>(methods.length);
577	>	for (Method method : methods) {
578	>	if (method.getName().startsWith("test")
579	>	&& Modifier.isPublic(method.getModifiers())
580	>	// method.getParameterCount() requires jdk8+
581	>	&& method.getParameterTypes().length == 0) {
582	>	names.add(method.getName());
583	>	}
584	>	}
585	>	return names;
586		}
587
588	+	/**
589	+	* Returns junit-style testSuite for the given test class, but
590	+	* parameterized by passing extra data to each test.
591	+	*/
592	+	public static <ExtraData> Test parameterizedTestSuite
593	+	(Class<? extends JSR166TestCase> testClass,
594	+	Class<ExtraData> dataClass,
595	+	ExtraData data) {
596	+	try {
597	+	TestSuite suite = new TestSuite();
598	+	Constructor c =
599	+	testClass.getDeclaredConstructor(dataClass, String.class);
600	+	for (String methodName : testMethodNames(testClass))
601	+	suite.addTest((Test) c.newInstance(data, methodName));
602	+	return suite;
603	+	} catch (Exception e) {
604	+	throw new Error(e);
605	+	}
606	+	}
607	+
608	+	/**
609	+	* Returns junit-style testSuite for the jdk8 extension of the
610	+	* given test class, but parameterized by passing extra data to
611	+	* each test.  Uses reflection to allow compilation in jdk7.
612	+	*/
613	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
614	+	(Class<? extends JSR166TestCase> testClass,
615	+	Class<ExtraData> dataClass,
616	+	ExtraData data) {
617	+	if (atLeastJava8()) {
618	+	String name = testClass.getName();
619	+	String name8 = name.replaceAll("Test$", "8Test");
620	+	if (name.equals(name8)) throw new Error(name);
621	+	try {
622	+	return (Test)
623	+	Class.forName(name8)
624	+	.getMethod("testSuite", new Class[] { dataClass })
625	+	.invoke(null, data);
626	+	} catch (Exception e) {
627	+	throw new Error(e);
628	+	}
629	+	} else {
630	+	return new TestSuite();
631	+	}
632	+	}
633	+
634	+	// Delays for timing-dependent tests, in milliseconds.
635
636		public static long SHORT_DELAY_MS;
637		public static long SMALL_DELAY_MS;
638		public static long MEDIUM_DELAY_MS;
639		public static long LONG_DELAY_MS;
640
259	–
641		/**
642	<	* Returns the shortest timed delay. This could
643	<	* be reimplemented to use for example a Property.
642	>	* Returns the shortest timed delay. This can be scaled up for
643	>	* slow machines using the jsr166.delay.factor system property,
644	>	* or via jtreg's -timeoutFactor: flag.
645	>	* http://openjdk.java.net/jtreg/command-help.html
646		*/
647		protected long getShortDelay() {
648	<	return 50;
648	>	return (long) (50 * delayFactor);
649		}
650
651		/**
#	Line 275 | Line 658 | public class JSR166TestCase extends Test
658		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
659		}
660
661	+	private static final long TIMEOUT_DELAY_MS
662	+	= (long) (12.0 * Math.cbrt(delayFactor));
663	+
664		/**
665	<	* Returns a timeout in milliseconds to be used in tests that
666	<	* verify that operations block or time out.
665	>	* Returns a timeout in milliseconds to be used in tests that verify
666	>	* that operations block or time out.  We want this to be longer
667	>	* than the OS scheduling quantum, but not too long, so don't scale
668	>	* linearly with delayFactor; we use "crazy" cube root instead.
669		*/
670	<	long timeoutMillis() {
671	<	return SHORT_DELAY_MS / 4;
670	>	static long timeoutMillis() {
671	>	return TIMEOUT_DELAY_MS;
672		}
673
674		/**
675	<	* Returns a new Date instance representing a time delayMillis
676	<	* milliseconds in the future.
675	>	* Returns a new Date instance representing a time at least
676	>	* delayMillis milliseconds in the future.
677		*/
678		Date delayedDate(long delayMillis) {
679	<	return new Date(System.currentTimeMillis() + delayMillis);
679	>	// Add 1 because currentTimeMillis is known to round into the past.
680	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
681		}
682
683		/**
684		* The first exception encountered if any threadAssertXXX method fails.
685		*/
686		private final AtomicReference<Throwable> threadFailure
687	<	= new AtomicReference<Throwable>(null);
687	>	= new AtomicReference<>(null);
688
689		/**
690		* Records an exception so that it can be rethrown later in the test
#	Line 304 | Line 693 | public class JSR166TestCase extends Test
693		* the same test have no effect.
694		*/
695		public void threadRecordFailure(Throwable t) {
696	+	System.err.println(t);
697	+	dumpTestThreads();
698		threadFailure.compareAndSet(null, t);
699		}
700
#	Line 311 | Line 702 | public class JSR166TestCase extends Test
702		setDelays();
703		}
704
705	+	void tearDownFail(String format, Object... args) {
706	+	String msg = toString() + ": " + String.format(format, args);
707	+	System.err.println(msg);
708	+	dumpTestThreads();
709	+	throw new AssertionFailedError(msg);
710	+	}
711	+
712		/**
713		* Extra checks that get done for all test cases.
714		*
#	Line 338 | Line 736 | public class JSR166TestCase extends Test
736		}
737
738		if (Thread.interrupted())
739	<	throw new AssertionFailedError("interrupt status set in main thread");
739	>	tearDownFail("interrupt status set in main thread");
740	>
741	>	checkForkJoinPoolThreadLeaks();
742	>	}
743	>
744	>	/**
745	>	* Finds missing PoolCleaners
746	>	*/
747	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
748	>	Thread[] survivors = new Thread[7];
749	>	int count = Thread.enumerate(survivors);
750	>	for (int i = 0; i < count; i++) {
751	>	Thread thread = survivors[i];
752	>	String name = thread.getName();
753	>	if (name.startsWith("ForkJoinPool-")) {
754	>	// give thread some time to terminate
755	>	thread.join(LONG_DELAY_MS);
756	>	if (thread.isAlive())
757	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
758	>	thread);
759	>	}
760	>	}
761	>
762	>	if (!ForkJoinPool.commonPool()
763	>	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
764	>	tearDownFail("ForkJoin common pool thread stuck");
765		}
766
767		/**
#	Line 351 | Line 774 | public class JSR166TestCase extends Test
774		fail(reason);
775		} catch (AssertionFailedError t) {
776		threadRecordFailure(t);
777	<	fail(reason);
777	>	throw t;
778		}
779		}
780
#	Line 419 | Line 842 | public class JSR166TestCase extends Test
842		public void threadAssertEquals(Object x, Object y) {
843		try {
844		assertEquals(x, y);
845	<	} catch (AssertionFailedError t) {
846	<	threadRecordFailure(t);
847	<	throw t;
848	<	} catch (Throwable t) {
849	<	threadUnexpectedException(t);
845	>	} catch (AssertionFailedError fail) {
846	>	threadRecordFailure(fail);
847	>	throw fail;
848	>	} catch (Throwable fail) {
849	>	threadUnexpectedException(fail);
850		}
851		}
852
#	Line 435 | Line 858 | public class JSR166TestCase extends Test
858		public void threadAssertSame(Object x, Object y) {
859		try {
860		assertSame(x, y);
861	<	} catch (AssertionFailedError t) {
862	<	threadRecordFailure(t);
863	<	throw t;
861	>	} catch (AssertionFailedError fail) {
862	>	threadRecordFailure(fail);
863	>	throw fail;
864		}
865		}
866
#	Line 478 | Line 901 | public class JSR166TestCase extends Test
901		/**
902		* Delays, via Thread.sleep, for the given millisecond delay, but
903		* if the sleep is shorter than specified, may re-sleep or yield
904	<	* until time elapses.
904	>	* until time elapses.  Ensures that the given time, as measured
905	>	* by System.nanoTime(), has elapsed.
906		*/
907		static void delay(long millis) throws InterruptedException {
908	<	long startTime = System.nanoTime();
909	<	long ns = millis * 1000 * 1000;
910	<	for (;;) {
908	>	long nanos = millis * (1000 * 1000);
909	>	final long wakeupTime = System.nanoTime() + nanos;
910	>	do {
911		if (millis > 0L)
912		Thread.sleep(millis);
913		else // too short to sleep
914		Thread.yield();
915	<	long d = ns - (System.nanoTime() - startTime);
916	<	if (d > 0L)
917	<	millis = d / (1000 * 1000);
918	<	else
919	<	break;
915	>	nanos = wakeupTime - System.nanoTime();
916	>	millis = nanos / (1000 * 1000);
917	>	} while (nanos >= 0L);
918	>	}
919	>
920	>	/**
921	>	* Allows use of try-with-resources with per-test thread pools.
922	>	*/
923	>	class PoolCleaner implements AutoCloseable {
924	>	private final ExecutorService pool;
925	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
926	>	public void close() { joinPool(pool); }
927	>	}
928	>
929	>	/**
930	>	* An extension of PoolCleaner that has an action to release the pool.
931	>	*/
932	>	class PoolCleanerWithReleaser extends PoolCleaner {
933	>	private final Runnable releaser;
934	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
935	>	super(pool);
936	>	this.releaser = releaser;
937	>	}
938	>	public void close() {
939	>	try {
940	>	releaser.run();
941	>	} finally {
942	>	super.close();
943	>	}
944		}
945		}
946
947	+	PoolCleaner cleaner(ExecutorService pool) {
948	+	return new PoolCleaner(pool);
949	+	}
950	+
951	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
952	+	return new PoolCleanerWithReleaser(pool, releaser);
953	+	}
954	+
955	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
956	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
957	+	}
958	+
959	+	Runnable releaser(final CountDownLatch latch) {
960	+	return new Runnable() { public void run() {
961	+	do { latch.countDown(); }
962	+	while (latch.getCount() > 0);
963	+	}};
964	+	}
965	+
966	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
967	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
968	+	}
969	+
970	+	Runnable releaser(final AtomicBoolean flag) {
971	+	return new Runnable() { public void run() { flag.set(true); }};
972	+	}
973	+
974		/**
975		* Waits out termination of a thread pool or fails doing so.
976		*/
977	<	void joinPool(ExecutorService exec) {
977	>	void joinPool(ExecutorService pool) {
978		try {
979	<	exec.shutdown();
980	<	assertTrue("ExecutorService did not terminate in a timely manner",
981	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
979	>	pool.shutdown();
980	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
981	>	try {
982	>	threadFail("ExecutorService " + pool +
983	>	" did not terminate in a timely manner");
984	>	} finally {
985	>	// last resort, for the benefit of subsequent tests
986	>	pool.shutdownNow();
987	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
988	>	}
989	>	}
990		} catch (SecurityException ok) {
991		// Allowed in case test doesn't have privs
992	<	} catch (InterruptedException ie) {
993	<	fail("Unexpected InterruptedException");
992	>	} catch (InterruptedException fail) {
993	>	threadFail("Unexpected InterruptedException");
994		}
995		}
996
997		/**
998	<	* Checks that thread does not terminate within the default
999	<	* millisecond delay of {@code timeoutMillis()}.
998	>	* Like Runnable, but with the freedom to throw anything.
999	>	* junit folks had the same idea:
1000	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1001		*/
1002	<	void assertThreadStaysAlive(Thread thread) {
519	<	assertThreadStaysAlive(thread, timeoutMillis());
520	<	}
1002	>	interface Action { public void run() throws Throwable; }
1003
1004		/**
1005	<	* Checks that thread does not terminate within the given millisecond delay.
1005	>	* Runs all the given actions in parallel, failing if any fail.
1006	>	* Useful for running multiple variants of tests that are
1007	>	* necessarily individually slow because they must block.
1008		*/
1009	<	void assertThreadStaysAlive(Thread thread, long millis) {
1010	<	try {
1011	<	// No need to optimize the failing case via Thread.join.
1012	<	delay(millis);
1013	<	assertTrue(thread.isAlive());
1014	<	} catch (InterruptedException ie) {
1015	<	fail("Unexpected InterruptedException");
1009	>	void testInParallel(Action ... actions) {
1010	>	ExecutorService pool = Executors.newCachedThreadPool();
1011	>	try (PoolCleaner cleaner = cleaner(pool)) {
1012	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
1013	>	for (final Action action : actions)
1014	>	futures.add(pool.submit(new CheckedRunnable() {
1015	>	public void realRun() throws Throwable { action.run();}}));
1016	>	for (Future<?> future : futures)
1017	>	try {
1018	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
1019	>	} catch (ExecutionException ex) {
1020	>	threadUnexpectedException(ex.getCause());
1021	>	} catch (Exception ex) {
1022	>	threadUnexpectedException(ex);
1023	>	}
1024		}
1025		}
1026
1027		/**
1028	<	* Checks that the threads do not terminate within the default
1029	<	* millisecond delay of {@code timeoutMillis()}.
1028	>	* A debugging tool to print stack traces of most threads, as jstack does.
1029	>	* Uninteresting threads are filtered out.
1030		*/
1031	<	void assertThreadsStayAlive(Thread... threads) {
1032	<	assertThreadsStayAlive(timeoutMillis(), threads);
1031	>	static void dumpTestThreads() {
1032	>	SecurityManager sm = System.getSecurityManager();
1033	>	if (sm != null) {
1034	>	try {
1035	>	System.setSecurityManager(null);
1036	>	} catch (SecurityException giveUp) {
1037	>	return;
1038	>	}
1039	>	}
1040	>
1041	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1042	>	System.err.println("------ stacktrace dump start ------");
1043	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1044	>	final String name = info.getThreadName();
1045	>	String lockName;
1046	>	if ("Signal Dispatcher".equals(name))
1047	>	continue;
1048	>	if ("Reference Handler".equals(name)
1049	>	&& (lockName = info.getLockName()) != null
1050	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1051	>	continue;
1052	>	if ("Finalizer".equals(name)
1053	>	&& (lockName = info.getLockName()) != null
1054	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1055	>	continue;
1056	>	if ("checkForWedgedTest".equals(name))
1057	>	continue;
1058	>	System.err.print(info);
1059	>	}
1060	>	System.err.println("------ stacktrace dump end ------");
1061	>
1062	>	if (sm != null) System.setSecurityManager(sm);
1063		}
1064
1065		/**
1066	<	* Checks that the threads do not terminate within the given millisecond delay.
1067	<	*/
1068	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1069	<	try {
1070	<	// No need to optimize the failing case via Thread.join.
1071	<	delay(millis);
1072	<	for (Thread thread : threads)
1073	<	assertTrue(thread.isAlive());
1074	<	} catch (InterruptedException ie) {
1075	<	fail("Unexpected InterruptedException");
1066	>	* Checks that thread eventually enters the expected blocked thread state.
1067	>	*/
1068	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1069	>	// always sleep at least 1 ms, with high probability avoiding
1070	>	// transitory states
1071	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1072	>	try { delay(1); }
1073	>	catch (InterruptedException fail) {
1074	>	fail("Unexpected InterruptedException");
1075	>	}
1076	>	Thread.State s = thread.getState();
1077	>	if (s == expected)
1078	>	return;
1079	>	else if (s == Thread.State.TERMINATED)
1080	>	fail("Unexpected thread termination");
1081		}
1082	+	fail("timed out waiting for thread to enter thread state " + expected);
1083		}
1084
1085		/**
#	Line 571 | Line 1099 | public class JSR166TestCase extends Test
1099		future.get(timeoutMillis, MILLISECONDS);
1100		shouldThrow();
1101		} catch (TimeoutException success) {
1102	<	} catch (Exception e) {
1103	<	threadUnexpectedException(e);
1102	>	} catch (Exception fail) {
1103	>	threadUnexpectedException(fail);
1104		} finally { future.cancel(true); }
1105		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1106		}
#	Line 592 | Line 1120 | public class JSR166TestCase extends Test
1120		}
1121
1122		/**
1123	+	* The maximum number of consecutive spurious wakeups we should
1124	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1125	+	*/
1126	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1127	+
1128	+	/**
1129		* The number of elements to place in collections, arrays, etc.
1130		*/
1131		public static final int SIZE = 20;
#	Line 616 | Line 1150 | public class JSR166TestCase extends Test
1150		public static final Integer m6  = new Integer(-6);
1151		public static final Integer m10 = new Integer(-10);
1152
619	–
1153		/**
1154		* Runs Runnable r with a security policy that permits precisely
1155		* the specified permissions.  If there is no current security
#	Line 696 | Line 1229 | public class JSR166TestCase extends Test
1229		}
1230		public void refresh() {}
1231		public String toString() {
1232	<	List<Permission> ps = new ArrayList<Permission>();
1232	>	List<Permission> ps = new ArrayList<>();
1233		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1234		ps.add(e.nextElement());
1235		return "AdjustablePolicy with permissions " + ps;
#	Line 726 | Line 1259 | public class JSR166TestCase extends Test
1259		* Sleeps until the given time has elapsed.
1260		* Throws AssertionFailedError if interrupted.
1261		*/
1262	<	void sleep(long millis) {
1262	>	static void sleep(long millis) {
1263		try {
1264		delay(millis);
1265	<	} catch (InterruptedException ie) {
1265	>	} catch (InterruptedException fail) {
1266		AssertionFailedError afe =
1267		new AssertionFailedError("Unexpected InterruptedException");
1268	<	afe.initCause(ie);
1268	>	afe.initCause(fail);
1269		throw afe;
1270		}
1271		}
#	Line 742 | Line 1275 | public class JSR166TestCase extends Test
1275		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1276		*/
1277		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1278	<	long startTime = System.nanoTime();
1278	>	long startTime = 0L;
1279		for (;;) {
1280		Thread.State s = thread.getState();
1281		if (s == Thread.State.BLOCKED ||
#	Line 751 | Line 1284 | public class JSR166TestCase extends Test
1284		return;
1285		else if (s == Thread.State.TERMINATED)
1286		fail("Unexpected thread termination");
1287	+	else if (startTime == 0L)
1288	+	startTime = System.nanoTime();
1289		else if (millisElapsedSince(startTime) > timeoutMillis) {
1290		threadAssertTrue(thread.isAlive());
1291	<	return;
1291	>	fail("timed out waiting for thread to enter wait state");
1292		}
1293		Thread.yield();
1294		}
1295		}
1296
1297		/**
1298	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1299	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1298	>	* Spin-waits up to the specified number of milliseconds for the given
1299	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1300	>	* and additionally satisfy the given condition.
1301	>	*/
1302	>	void waitForThreadToEnterWaitState(
1303	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1304	>	long startTime = 0L;
1305	>	for (;;) {
1306	>	Thread.State s = thread.getState();
1307	>	if (s == Thread.State.BLOCKED ||
1308	>	s == Thread.State.WAITING ||
1309	>	s == Thread.State.TIMED_WAITING) {
1310	>	try {
1311	>	if (waitingForGodot.call())
1312	>	return;
1313	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1314	>	}
1315	>	else if (s == Thread.State.TERMINATED)
1316	>	fail("Unexpected thread termination");
1317	>	else if (startTime == 0L)
1318	>	startTime = System.nanoTime();
1319	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1320	>	threadAssertTrue(thread.isAlive());
1321	>	fail("timed out waiting for thread to enter wait state");
1322	>	}
1323	>	Thread.yield();
1324	>	}
1325	>	}
1326	>
1327	>	/**
1328	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1329	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1330		*/
1331		void waitForThreadToEnterWaitState(Thread thread) {
1332		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1333		}
1334
1335		/**
1336	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1337	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1338	+	* and additionally satisfy the given condition.
1339	+	*/
1340	+	void waitForThreadToEnterWaitState(
1341	+	Thread thread, Callable<Boolean> waitingForGodot) {
1342	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1343	+	}
1344	+
1345	+	/**
1346		* Returns the number of milliseconds since time given by
1347		* startNanoTime, which must have been previously returned from a
1348	<	* call to {@link System.nanoTime()}.
1348	>	* call to {@link System#nanoTime()}.
1349		*/
1350	<	long millisElapsedSince(long startNanoTime) {
1350	>	static long millisElapsedSince(long startNanoTime) {
1351		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1352		}
1353
1354	+	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1355	+	//         long startTime = System.nanoTime();
1356	+	//         try {
1357	+	//             r.run();
1358	+	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1359	+	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1360	+	//             throw new AssertionFailedError("did not return promptly");
1361	+	//     }
1362	+
1363	+	//     void assertTerminatesPromptly(Runnable r) {
1364	+	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1365	+	//     }
1366	+
1367	+	/**
1368	+	* Checks that timed f.get() returns the expected value, and does not
1369	+	* wait for the timeout to elapse before returning.
1370	+	*/
1371	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1372	+	long startTime = System.nanoTime();
1373	+	try {
1374	+	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1375	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
1376	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
1377	+	throw new AssertionFailedError("timed get did not return promptly");
1378	+	}
1379	+
1380	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1381	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1382	+	}
1383	+
1384		/**
1385		* Returns a new started daemon Thread running the given runnable.
1386		*/
#	Line 794 | Line 1399 | public class JSR166TestCase extends Test
1399		void awaitTermination(Thread t, long timeoutMillis) {
1400		try {
1401		t.join(timeoutMillis);
1402	<	} catch (InterruptedException ie) {
1403	<	threadUnexpectedException(ie);
1402	>	} catch (InterruptedException fail) {
1403	>	threadUnexpectedException(fail);
1404		} finally {
1405		if (t.getState() != Thread.State.TERMINATED) {
1406		t.interrupt();
1407	<	fail("Test timed out");
1407	>	threadFail("timed out waiting for thread to terminate");
1408		}
1409		}
1410		}
#	Line 821 | Line 1426 | public class JSR166TestCase extends Test
1426		public final void run() {
1427		try {
1428		realRun();
1429	<	} catch (Throwable t) {
1430	<	threadUnexpectedException(t);
1429	>	} catch (Throwable fail) {
1430	>	threadUnexpectedException(fail);
1431		}
1432		}
1433		}
#	Line 876 | Line 1481 | public class JSR166TestCase extends Test
1481		threadShouldThrow("InterruptedException");
1482		} catch (InterruptedException success) {
1483		threadAssertFalse(Thread.interrupted());
1484	<	} catch (Throwable t) {
1485	<	threadUnexpectedException(t);
1484	>	} catch (Throwable fail) {
1485	>	threadUnexpectedException(fail);
1486		}
1487		}
1488		}
#	Line 888 | Line 1493 | public class JSR166TestCase extends Test
1493		public final T call() {
1494		try {
1495		return realCall();
1496	<	} catch (Throwable t) {
1497	<	threadUnexpectedException(t);
1496	>	} catch (Throwable fail) {
1497	>	threadUnexpectedException(fail);
1498		return null;
1499		}
1500		}
#	Line 906 | Line 1511 | public class JSR166TestCase extends Test
1511		return result;
1512		} catch (InterruptedException success) {
1513		threadAssertFalse(Thread.interrupted());
1514	<	} catch (Throwable t) {
1515	<	threadUnexpectedException(t);
1514	>	} catch (Throwable fail) {
1515	>	threadUnexpectedException(fail);
1516		}
1517		return null;
1518		}
#	Line 924 | Line 1529 | public class JSR166TestCase extends Test
1529		public static final String TEST_STRING = "a test string";
1530
1531		public static class StringTask implements Callable<String> {
1532	<	public String call() { return TEST_STRING; }
1532	>	final String value;
1533	>	public StringTask() { this(TEST_STRING); }
1534	>	public StringTask(String value) { this.value = value; }
1535	>	public String call() { return value; }
1536		}
1537
1538		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
#	Line 937 | Line 1545 | public class JSR166TestCase extends Test
1545		}};
1546		}
1547
1548	<	public Runnable awaiter(final CountDownLatch latch) {
1548	>	public Runnable countDowner(final CountDownLatch latch) {
1549		return new CheckedRunnable() {
1550		public void realRun() throws InterruptedException {
1551	<	await(latch);
1551	>	latch.countDown();
1552		}};
1553		}
1554
1555	<	public void await(CountDownLatch latch) {
1555	>	class LatchAwaiter extends CheckedRunnable {
1556	>	static final int NEW = 0;
1557	>	static final int RUNNING = 1;
1558	>	static final int DONE = 2;
1559	>	final CountDownLatch latch;
1560	>	int state = NEW;
1561	>	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1562	>	public void realRun() throws InterruptedException {
1563	>	state = 1;
1564	>	await(latch);
1565	>	state = 2;
1566	>	}
1567	>	}
1568	>
1569	>	public LatchAwaiter awaiter(CountDownLatch latch) {
1570	>	return new LatchAwaiter(latch);
1571	>	}
1572	>
1573	>	public void await(CountDownLatch latch, long timeoutMillis) {
1574		try {
1575	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1576	<	} catch (Throwable t) {
1577	<	threadUnexpectedException(t);
1575	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1576	>	fail("timed out waiting for CountDownLatch for "
1577	>	+ (timeoutMillis/1000) + " sec");
1578	>	} catch (Throwable fail) {
1579	>	threadUnexpectedException(fail);
1580		}
1581		}
1582
1583	+	public void await(CountDownLatch latch) {
1584	+	await(latch, LONG_DELAY_MS);
1585	+	}
1586	+
1587		public void await(Semaphore semaphore) {
1588		try {
1589	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1590	<	} catch (Throwable t) {
1591	<	threadUnexpectedException(t);
1589	>	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1590	>	fail("timed out waiting for Semaphore for "
1591	>	+ (LONG_DELAY_MS/1000) + " sec");
1592	>	} catch (Throwable fail) {
1593	>	threadUnexpectedException(fail);
1594	>	}
1595	>	}
1596	>
1597	>	public void await(CyclicBarrier barrier) {
1598	>	try {
1599	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1600	>	} catch (Throwable fail) {
1601	>	threadUnexpectedException(fail);
1602		}
1603		}
1604
#	Line 1147 | Line 1789 | public class JSR166TestCase extends Test
1789		public abstract class CheckedRecursiveAction extends RecursiveAction {
1790		protected abstract void realCompute() throws Throwable;
1791
1792	<	public final void compute() {
1792	>	@Override protected final void compute() {
1793		try {
1794		realCompute();
1795	<	} catch (Throwable t) {
1796	<	threadUnexpectedException(t);
1795	>	} catch (Throwable fail) {
1796	>	threadUnexpectedException(fail);
1797		}
1798		}
1799		}
#	Line 1162 | Line 1804 | public class JSR166TestCase extends Test
1804		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1805		protected abstract T realCompute() throws Throwable;
1806
1807	<	public final T compute() {
1807	>	@Override protected final T compute() {
1808		try {
1809		return realCompute();
1810	<	} catch (Throwable t) {
1811	<	threadUnexpectedException(t);
1810	>	} catch (Throwable fail) {
1811	>	threadUnexpectedException(fail);
1812		return null;
1813		}
1814		}
#	Line 1184 | Line 1826 | public class JSR166TestCase extends Test
1826		* A CyclicBarrier that uses timed await and fails with
1827		* AssertionFailedErrors instead of throwing checked exceptions.
1828		*/
1829	<	public class CheckedBarrier extends CyclicBarrier {
1829	>	public static class CheckedBarrier extends CyclicBarrier {
1830		public CheckedBarrier(int parties) { super(parties); }
1831
1832		public int await() {
1833		try {
1834		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1835	<	} catch (TimeoutException e) {
1835	>	} catch (TimeoutException timedOut) {
1836		throw new AssertionFailedError("timed out");
1837	<	} catch (Exception e) {
1837	>	} catch (Exception fail) {
1838		AssertionFailedError afe =
1839	<	new AssertionFailedError("Unexpected exception: " + e);
1840	<	afe.initCause(e);
1839	>	new AssertionFailedError("Unexpected exception: " + fail);
1840	>	afe.initCause(fail);
1841		throw afe;
1842		}
1843		}
#	Line 1223 | Line 1865 | public class JSR166TestCase extends Test
1865		q.remove();
1866		shouldThrow();
1867		} catch (NoSuchElementException success) {}
1868	<	} catch (InterruptedException ie) {
1227	<	threadUnexpectedException(ie);
1228	<	}
1868	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1869		}
1870
1871		void assertSerialEquals(Object x, Object y) {
#	Line 1244 | Line 1884 | public class JSR166TestCase extends Test
1884		oos.flush();
1885		oos.close();
1886		return bos.toByteArray();
1887	<	} catch (Throwable t) {
1888	<	threadUnexpectedException(t);
1887	>	} catch (Throwable fail) {
1888	>	threadUnexpectedException(fail);
1889		return new byte[0];
1890		}
1891		}
1892
1893	+	void assertImmutable(final Object o) {
1894	+	if (o instanceof Collection) {
1895	+	assertThrows(
1896	+	UnsupportedOperationException.class,
1897	+	new Runnable() { public void run() {
1898	+	((Collection) o).add(null);}});
1899	+	}
1900	+	}
1901	+
1902		@SuppressWarnings("unchecked")
1903		<T> T serialClone(T o) {
1904		try {
1905		ObjectInputStream ois = new ObjectInputStream
1906		(new ByteArrayInputStream(serialBytes(o)));
1907		T clone = (T) ois.readObject();
1908	+	if (o == clone) assertImmutable(o);
1909		assertSame(o.getClass(), clone.getClass());
1910		return clone;
1911	<	} catch (Throwable t) {
1912	<	threadUnexpectedException(t);
1911	>	} catch (Throwable fail) {
1912	>	threadUnexpectedException(fail);
1913		return null;
1914		}
1915		}
1916	+
1917	+	/**
1918	+	* A version of serialClone that leaves error handling (for
1919	+	* e.g. NotSerializableException) up to the caller.
1920	+	*/
1921	+	@SuppressWarnings("unchecked")
1922	+	<T> T serialClonePossiblyFailing(T o)
1923	+	throws ReflectiveOperationException, java.io.IOException {
1924	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1925	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1926	+	oos.writeObject(o);
1927	+	oos.flush();
1928	+	oos.close();
1929	+	ObjectInputStream ois = new ObjectInputStream
1930	+	(new ByteArrayInputStream(bos.toByteArray()));
1931	+	T clone = (T) ois.readObject();
1932	+	if (o == clone) assertImmutable(o);
1933	+	assertSame(o.getClass(), clone.getClass());
1934	+	return clone;
1935	+	}
1936	+
1937	+	/**
1938	+	* If o implements Cloneable and has a public clone method,
1939	+	* returns a clone of o, else null.
1940	+	*/
1941	+	@SuppressWarnings("unchecked")
1942	+	<T> T cloneableClone(T o) {
1943	+	if (!(o instanceof Cloneable)) return null;
1944	+	final T clone;
1945	+	try {
1946	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1947	+	} catch (NoSuchMethodException ok) {
1948	+	return null;
1949	+	} catch (ReflectiveOperationException unexpected) {
1950	+	throw new Error(unexpected);
1951	+	}
1952	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1953	+	assertSame(o.getClass(), clone.getClass());
1954	+	return clone;
1955	+	}
1956	+
1957	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1958	+	Runnable... throwingActions) {
1959	+	for (Runnable throwingAction : throwingActions) {
1960	+	boolean threw = false;
1961	+	try { throwingAction.run(); }
1962	+	catch (Throwable t) {
1963	+	threw = true;
1964	+	if (!expectedExceptionClass.isInstance(t)) {
1965	+	AssertionFailedError afe =
1966	+	new AssertionFailedError
1967	+	("Expected " + expectedExceptionClass.getName() +
1968	+	", got " + t.getClass().getName());
1969	+	afe.initCause(t);
1970	+	threadUnexpectedException(afe);
1971	+	}
1972	+	}
1973	+	if (!threw)
1974	+	shouldThrow(expectedExceptionClass.getName());
1975	+	}
1976	+	}
1977	+
1978	+	public void assertIteratorExhausted(Iterator<?> it) {
1979	+	try {
1980	+	it.next();
1981	+	shouldThrow();
1982	+	} catch (NoSuchElementException success) {}
1983	+	assertFalse(it.hasNext());
1984	+	}
1985	+
1986	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1987	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1988	+	}
1989	+
1990	+	public Runnable runnableThrowing(final RuntimeException ex) {
1991	+	return new Runnable() { public void run() { throw ex; }};
1992	+	}
1993	+
1994	+	/** A reusable thread pool to be shared by tests. */
1995	+	static final ExecutorService cachedThreadPool =
1996	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1997	+	1000L, MILLISECONDS,
1998	+	new SynchronousQueue<Runnable>());
1999	+
2000	+	static <T> void shuffle(T[] array) {
2001	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
2002	+	}
2003		}

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines