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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.52 by jsr166, Mon Sep 13 23:19:31 2010 UTC vs.
Revision 1.180 by jsr166, Mon Nov 9 05:43:39 2015 UTC

#	Line 1 | Line 1
1		/*
2		* Written by Doug Lea with assistance from members of JCP JSR-166
3		* Expert Group and released to the public domain, as explained at
4	<	* http://creativecommons.org/licenses/publicdomain
4	>	* http://creativecommons.org/publicdomain/zero/1.0/
5		* Other contributors include Andrew Wright, Jeffrey Hayes,
6		* Pat Fisher, Mike Judd.
7		*/
8
9	–	import junit.framework.*;
10	–	import java.util.*;
11	–	import java.util.concurrent.*;
9		import static java.util.concurrent.TimeUnit.MILLISECONDS;
10	<	import java.io.*;
11	<	import java.security.*;
10	>	import static java.util.concurrent.TimeUnit.MINUTES;
11	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
12	>
13	>	import java.io.ByteArrayInputStream;
14	>	import java.io.ByteArrayOutputStream;
15	>	import java.io.ObjectInputStream;
16	>	import java.io.ObjectOutputStream;
17	>	import java.lang.management.ManagementFactory;
18	>	import java.lang.management.ThreadInfo;
19	>	import java.lang.management.ThreadMXBean;
20	>	import java.lang.reflect.Constructor;
21	>	import java.lang.reflect.Method;
22	>	import java.lang.reflect.Modifier;
23	>	import java.nio.file.Files;
24	>	import java.nio.file.Paths;
25	>	import java.security.CodeSource;
26	>	import java.security.Permission;
27	>	import java.security.PermissionCollection;
28	>	import java.security.Permissions;
29	>	import java.security.Policy;
30	>	import java.security.ProtectionDomain;
31	>	import java.security.SecurityPermission;
32	>	import java.util.ArrayList;
33	>	import java.util.Arrays;
34	>	import java.util.Date;
35	>	import java.util.Enumeration;
36	>	import java.util.Iterator;
37	>	import java.util.List;
38	>	import java.util.NoSuchElementException;
39	>	import java.util.PropertyPermission;
40	>	import java.util.concurrent.BlockingQueue;
41	>	import java.util.concurrent.Callable;
42	>	import java.util.concurrent.CountDownLatch;
43	>	import java.util.concurrent.CyclicBarrier;
44	>	import java.util.concurrent.ExecutionException;
45	>	import java.util.concurrent.Executors;
46	>	import java.util.concurrent.ExecutorService;
47	>	import java.util.concurrent.ForkJoinPool;
48	>	import java.util.concurrent.Future;
49	>	import java.util.concurrent.RecursiveAction;
50	>	import java.util.concurrent.RecursiveTask;
51	>	import java.util.concurrent.RejectedExecutionHandler;
52	>	import java.util.concurrent.Semaphore;
53	>	import java.util.concurrent.ThreadFactory;
54	>	import java.util.concurrent.ThreadPoolExecutor;
55	>	import java.util.concurrent.TimeoutException;
56	>	import java.util.concurrent.atomic.AtomicReference;
57	>	import java.util.regex.Matcher;
58	>	import java.util.regex.Pattern;
59	>
60	>	import junit.framework.AssertionFailedError;
61	>	import junit.framework.Test;
62	>	import junit.framework.TestCase;
63	>	import junit.framework.TestResult;
64	>	import junit.framework.TestSuite;
65
66		/**
67		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 23 | Line 73 | import java.security.*;
73		*
74		* <ol>
75		*
76	<	* <li> All assertions in code running in generated threads must use
76	>	* <li>All assertions in code running in generated threads must use
77		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
78		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
79		* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
80		* particularly recommended) for other code to use these forms too.
81		* Only the most typically used JUnit assertion methods are defined
82	<	* this way, but enough to live with.</li>
82	>	* this way, but enough to live with.
83		*
84	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
84	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
85		* to invoke {@code super.setUp} and {@code super.tearDown} within
86		* them. These methods are used to clear and check for thread
87	<	* assertion failures.</li>
87	>	* assertion failures.
88		*
89		* <li>All delays and timeouts must use one of the constants {@code
90		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 45 | Line 95 | import java.security.*;
95		* is always discriminable as larger than SHORT and smaller than
96		* MEDIUM.  And so on. These constants are set to conservative values,
97		* but even so, if there is ever any doubt, they can all be increased
98	<	* in one spot to rerun tests on slower platforms.</li>
98	>	* in one spot to rerun tests on slower platforms.
99		*
100	<	* <li> All threads generated must be joined inside each test case
100	>	* <li>All threads generated must be joined inside each test case
101		* method (or {@code fail} to do so) before returning from the
102		* method. The {@code joinPool} method can be used to do this when
103	<	* using Executors.</li>
103	>	* using Executors.
104		*
105		* </ol>
106		*
107	<	* <p> <b>Other notes</b>
107	>	* <p><b>Other notes</b>
108		* <ul>
109		*
110	<	* <li> Usually, there is one testcase method per JSR166 method
110	>	* <li>Usually, there is one testcase method per JSR166 method
111		* covering "normal" operation, and then as many exception-testing
112		* methods as there are exceptions the method can throw. Sometimes
113		* there are multiple tests per JSR166 method when the different
114		* "normal" behaviors differ significantly. And sometimes testcases
115	<	* cover multiple methods when they cannot be tested in
66	<	* isolation.</li>
115	>	* cover multiple methods when they cannot be tested in isolation.
116		*
117	<	* <li> The documentation style for testcases is to provide as javadoc
117	>	* <li>The documentation style for testcases is to provide as javadoc
118		* a simple sentence or two describing the property that the testcase
119		* method purports to test. The javadocs do not say anything about how
120	<	* the property is tested. To find out, read the code.</li>
120	>	* the property is tested. To find out, read the code.
121		*
122	<	* <li> These tests are "conformance tests", and do not attempt to
122	>	* <li>These tests are "conformance tests", and do not attempt to
123		* test throughput, latency, scalability or other performance factors
124		* (see the separate "jtreg" tests for a set intended to check these
125		* for the most central aspects of functionality.) So, most tests use
126		* the smallest sensible numbers of threads, collection sizes, etc
127	<	* needed to check basic conformance.</li>
127	>	* needed to check basic conformance.
128		*
129		* <li>The test classes currently do not declare inclusion in
130		* any particular package to simplify things for people integrating
131	<	* them in TCK test suites.</li>
131	>	* them in TCK test suites.
132		*
133	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
134	<	* runs all JSR166 unit tests.</li>
133	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
134	>	* runs all JSR166 unit tests.
135		*
136		* </ul>
137		*/
#	Line 90 | Line 139 | public class JSR166TestCase extends Test
139		private static final boolean useSecurityManager =
140		Boolean.getBoolean("jsr166.useSecurityManager");
141
142	+	protected static final boolean expensiveTests =
143	+	Boolean.getBoolean("jsr166.expensiveTests");
144	+
145	+	/**
146	+	* If true, also run tests that are not part of the official tck
147	+	* because they test unspecified implementation details.
148	+	*/
149	+	protected static final boolean testImplementationDetails =
150	+	Boolean.getBoolean("jsr166.testImplementationDetails");
151	+
152	+	/**
153	+	* If true, report on stdout all "slow" tests, that is, ones that
154	+	* take more than profileThreshold milliseconds to execute.
155	+	*/
156	+	private static final boolean profileTests =
157	+	Boolean.getBoolean("jsr166.profileTests");
158	+
159	+	/**
160	+	* The number of milliseconds that tests are permitted for
161	+	* execution without being reported, when profileTests is set.
162	+	*/
163	+	private static final long profileThreshold =
164	+	Long.getLong("jsr166.profileThreshold", 100);
165	+
166	+	/**
167	+	* The number of repetitions per test (for tickling rare bugs).
168	+	*/
169	+	private static final int runsPerTest =
170	+	Integer.getInteger("jsr166.runsPerTest", 1);
171	+
172	+	/**
173	+	* The number of repetitions of the test suite (for finding leaks?).
174	+	*/
175	+	private static final int suiteRuns =
176	+	Integer.getInteger("jsr166.suiteRuns", 1);
177	+
178	+	public JSR166TestCase() { super(); }
179	+	public JSR166TestCase(String name) { super(name); }
180	+
181		/**
182	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
182	>	* A filter for tests to run, matching strings of the form
183	>	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
184	>	* Usefully combined with jsr166.runsPerTest.
185	>	*/
186	>	private static final Pattern methodFilter = methodFilter();
187	>
188	>	private static Pattern methodFilter() {
189	>	String regex = System.getProperty("jsr166.methodFilter");
190	>	return (regex == null) ? null : Pattern.compile(regex);
191	>	}
192	>
193	>	// Instrumentation to debug very rare, but very annoying hung test runs.
194	>	static volatile TestCase currentTestCase;
195	>	// static volatile int currentRun = 0;
196	>	static {
197	>	Runnable checkForWedgedTest = new Runnable() { public void run() {
198	>	// Avoid spurious reports with enormous runsPerTest.
199	>	// A single test case run should never take more than 1 second.
200	>	// But let's cap it at the high end too ...
201	>	final int timeoutMinutes =
202	>	Math.min(15, Math.max(runsPerTest / 60, 1));
203	>	for (TestCase lastTestCase = currentTestCase;;) {
204	>	try { MINUTES.sleep(timeoutMinutes); }
205	>	catch (InterruptedException unexpected) { break; }
206	>	if (lastTestCase == currentTestCase) {
207	>	System.err.printf(
208	>	"Looks like we're stuck running test: %s%n",
209	>	lastTestCase);
210	>	//                     System.err.printf(
211	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
212	>	//                         lastTestCase, currentRun, runsPerTest);
213	>	//                     System.err.println("availableProcessors=" +
214	>	//                         Runtime.getRuntime().availableProcessors());
215	>	//                     System.err.printf("cpu model = %s%n", cpuModel());
216	>	dumpTestThreads();
217	>	// one stack dump is probably enough; more would be spam
218	>	break;
219	>	}
220	>	lastTestCase = currentTestCase;
221	>	}}};
222	>	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
223	>	thread.setDaemon(true);
224	>	thread.start();
225	>	}
226	>
227	>	//     public static String cpuModel() {
228	>	//         try {
229	>	//             Matcher matcher = Pattern.compile("model name\\s*: (.*)")
230	>	//                 .matcher(new String(
231	>	//                      Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
232	>	//             matcher.find();
233	>	//             return matcher.group(1);
234	>	//         } catch (Exception ex) { return null; }
235	>	//     }
236	>
237	>	public void runBare() throws Throwable {
238	>	currentTestCase = this;
239	>	if (methodFilter == null
240	>	|| methodFilter.matcher(toString()).find())
241	>	super.runBare();
242	>	}
243	>
244	>	protected void runTest() throws Throwable {
245	>	for (int i = 0; i < runsPerTest; i++) {
246	>	// currentRun = i;
247	>	if (profileTests)
248	>	runTestProfiled();
249	>	else
250	>	super.runTest();
251	>	}
252	>	}
253	>
254	>	protected void runTestProfiled() throws Throwable {
255	>	for (int i = 0; i < 2; i++) {
256	>	long startTime = System.nanoTime();
257	>	super.runTest();
258	>	long elapsedMillis = millisElapsedSince(startTime);
259	>	if (elapsedMillis < profileThreshold)
260	>	break;
261	>	// Never report first run of any test; treat it as a
262	>	// warmup run, notably to trigger all needed classloading,
263	>	if (i > 0)
264	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
265	>	}
266	>	}
267	>
268	>	/**
269	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
270		*/
271		public static void main(String[] args) {
272	+	main(suite(), args);
273	+	}
274	+
275	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
276	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
277	+	long runTime;
278	+	public void startTest(Test test) {}
279	+	protected void printHeader(long runTime) {
280	+	this.runTime = runTime; // defer printing for later
281	+	}
282	+	protected void printFooter(TestResult result) {
283	+	if (result.wasSuccessful()) {
284	+	getWriter().println("OK (" + result.runCount() + " tests)"
285	+	+ "  Time: " + elapsedTimeAsString(runTime));
286	+	} else {
287	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
288	+	super.printFooter(result);
289	+	}
290	+	}
291	+	}
292	+
293	+	/**
294	+	* Returns a TestRunner that doesn't bother with unnecessary
295	+	* fluff, like printing a "." for each test case.
296	+	*/
297	+	static junit.textui.TestRunner newPithyTestRunner() {
298	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
299	+	runner.setPrinter(new PithyResultPrinter(System.out));
300	+	return runner;
301	+	}
302	+
303	+	/**
304	+	* Runs all unit tests in the given test suite.
305	+	* Actual behavior influenced by jsr166.* system properties.
306	+	*/
307	+	static void main(Test suite, String[] args) {
308		if (useSecurityManager) {
309		System.err.println("Setting a permissive security manager");
310		Policy.setPolicy(permissivePolicy());
311		System.setSecurityManager(new SecurityManager());
312		}
313	<	int iters = 1;
314	<	if (args.length > 0)
315	<	iters = Integer.parseInt(args[0]);
316	<	Test s = suite();
106	<	for (int i = 0; i < iters; ++i) {
107	<	junit.textui.TestRunner.run(s);
313	>	for (int i = 0; i < suiteRuns; i++) {
314	>	TestResult result = newPithyTestRunner().doRun(suite);
315	>	if (!result.wasSuccessful())
316	>	System.exit(1);
317		System.gc();
318		System.runFinalization();
319		}
320	<	System.exit(0);
320	>	}
321	>
322	>	public static TestSuite newTestSuite(Object... suiteOrClasses) {
323	>	TestSuite suite = new TestSuite();
324	>	for (Object suiteOrClass : suiteOrClasses) {
325	>	if (suiteOrClass instanceof TestSuite)
326	>	suite.addTest((TestSuite) suiteOrClass);
327	>	else if (suiteOrClass instanceof Class)
328	>	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
329	>	else
330	>	throw new ClassCastException("not a test suite or class");
331	>	}
332	>	return suite;
333	>	}
334	>
335	>	public static void addNamedTestClasses(TestSuite suite,
336	>	String... testClassNames) {
337	>	for (String testClassName : testClassNames) {
338	>	try {
339	>	Class<?> testClass = Class.forName(testClassName);
340	>	Method m = testClass.getDeclaredMethod("suite",
341	>	new Class<?>[0]);
342	>	suite.addTest(newTestSuite((Test)m.invoke(null)));
343	>	} catch (Exception e) {
344	>	throw new Error("Missing test class", e);
345	>	}
346	>	}
347	>	}
348	>
349	>	public static final double JAVA_CLASS_VERSION;
350	>	public static final String JAVA_SPECIFICATION_VERSION;
351	>	static {
352	>	try {
353	>	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
354	>	new java.security.PrivilegedAction<Double>() {
355	>	public Double run() {
356	>	return Double.valueOf(System.getProperty("java.class.version"));}});
357	>	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
358	>	new java.security.PrivilegedAction<String>() {
359	>	public String run() {
360	>	return System.getProperty("java.specification.version");}});
361	>	} catch (Throwable t) {
362	>	throw new Error(t);
363	>	}
364	>	}
365	>
366	>	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
367	>	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
368	>	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
369	>	public static boolean atLeastJava9() {
370	>	return JAVA_CLASS_VERSION >= 53.0
371	>	// As of 2015-09, java9 still uses 52.0 class file version
372	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
373	>	}
374	>	public static boolean atLeastJava10() {
375	>	return JAVA_CLASS_VERSION >= 54.0
376	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
377		}
378
379		/**
380	<	* Collects all JSR166 unit tests as one suite
380	>	* Collects all JSR166 unit tests as one suite.
381		*/
382		public static Test suite() {
383	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
384	<
385	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
386	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
387	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
388	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
389	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
390	<	suite.addTest(new TestSuite(PhaserTest.class));
391	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
392	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
393	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
394	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
395	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
396	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
397	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
398	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
399	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
400	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
401	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
402	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
403	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
404	<	suite.addTest(new TestSuite(AtomicLongTest.class));
405	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
406	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
407	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
408	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
409	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
410	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
411	<	suite.addTest(new TestSuite(ConcurrentLinkedDequeTest.class));
412	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
413	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
414	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
415	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
416	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
417	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
418	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
419	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
420	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
421	<	suite.addTest(new TestSuite(DelayQueueTest.class));
422	<	suite.addTest(new TestSuite(EntryTest.class));
423	<	suite.addTest(new TestSuite(ExchangerTest.class));
424	<	suite.addTest(new TestSuite(ExecutorsTest.class));
425	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
426	<	suite.addTest(new TestSuite(FutureTaskTest.class));
427	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
428	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
429	<	suite.addTest(new TestSuite(LinkedListTest.class));
430	<	suite.addTest(new TestSuite(LockSupportTest.class));
431	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
432	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
433	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
434	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
435	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
436	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
437	<	suite.addTest(new TestSuite(SemaphoreTest.class));
438	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
439	<	suite.addTest(new TestSuite(SystemTest.class));
440	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
441	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
442	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
443	<	suite.addTest(new TestSuite(ThreadTest.class));
444	<	suite.addTest(new TestSuite(TimeUnitTest.class));
445	<	suite.addTest(new TestSuite(TreeMapTest.class));
446	<	suite.addTest(new TestSuite(TreeSetTest.class));
447	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
448	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
383	>	// Java7+ test classes
384	>	TestSuite suite = newTestSuite(
385	>	ForkJoinPoolTest.suite(),
386	>	ForkJoinTaskTest.suite(),
387	>	RecursiveActionTest.suite(),
388	>	RecursiveTaskTest.suite(),
389	>	LinkedTransferQueueTest.suite(),
390	>	PhaserTest.suite(),
391	>	ThreadLocalRandomTest.suite(),
392	>	AbstractExecutorServiceTest.suite(),
393	>	AbstractQueueTest.suite(),
394	>	AbstractQueuedSynchronizerTest.suite(),
395	>	AbstractQueuedLongSynchronizerTest.suite(),
396	>	ArrayBlockingQueueTest.suite(),
397	>	ArrayDequeTest.suite(),
398	>	AtomicBooleanTest.suite(),
399	>	AtomicIntegerArrayTest.suite(),
400	>	AtomicIntegerFieldUpdaterTest.suite(),
401	>	AtomicIntegerTest.suite(),
402	>	AtomicLongArrayTest.suite(),
403	>	AtomicLongFieldUpdaterTest.suite(),
404	>	AtomicLongTest.suite(),
405	>	AtomicMarkableReferenceTest.suite(),
406	>	AtomicReferenceArrayTest.suite(),
407	>	AtomicReferenceFieldUpdaterTest.suite(),
408	>	AtomicReferenceTest.suite(),
409	>	AtomicStampedReferenceTest.suite(),
410	>	ConcurrentHashMapTest.suite(),
411	>	ConcurrentLinkedDequeTest.suite(),
412	>	ConcurrentLinkedQueueTest.suite(),
413	>	ConcurrentSkipListMapTest.suite(),
414	>	ConcurrentSkipListSubMapTest.suite(),
415	>	ConcurrentSkipListSetTest.suite(),
416	>	ConcurrentSkipListSubSetTest.suite(),
417	>	CopyOnWriteArrayListTest.suite(),
418	>	CopyOnWriteArraySetTest.suite(),
419	>	CountDownLatchTest.suite(),
420	>	CyclicBarrierTest.suite(),
421	>	DelayQueueTest.suite(),
422	>	EntryTest.suite(),
423	>	ExchangerTest.suite(),
424	>	ExecutorsTest.suite(),
425	>	ExecutorCompletionServiceTest.suite(),
426	>	FutureTaskTest.suite(),
427	>	LinkedBlockingDequeTest.suite(),
428	>	LinkedBlockingQueueTest.suite(),
429	>	LinkedListTest.suite(),
430	>	LockSupportTest.suite(),
431	>	PriorityBlockingQueueTest.suite(),
432	>	PriorityQueueTest.suite(),
433	>	ReentrantLockTest.suite(),
434	>	ReentrantReadWriteLockTest.suite(),
435	>	ScheduledExecutorTest.suite(),
436	>	ScheduledExecutorSubclassTest.suite(),
437	>	SemaphoreTest.suite(),
438	>	SynchronousQueueTest.suite(),
439	>	SystemTest.suite(),
440	>	ThreadLocalTest.suite(),
441	>	ThreadPoolExecutorTest.suite(),
442	>	ThreadPoolExecutorSubclassTest.suite(),
443	>	ThreadTest.suite(),
444	>	TimeUnitTest.suite(),
445	>	TreeMapTest.suite(),
446	>	TreeSetTest.suite(),
447	>	TreeSubMapTest.suite(),
448	>	TreeSubSetTest.suite());
449	>
450	>	// Java8+ test classes
451	>	if (atLeastJava8()) {
452	>	String[] java8TestClassNames = {
453	>	"Atomic8Test",
454	>	"CompletableFutureTest",
455	>	"ConcurrentHashMap8Test",
456	>	"CountedCompleterTest",
457	>	"DoubleAccumulatorTest",
458	>	"DoubleAdderTest",
459	>	"ForkJoinPool8Test",
460	>	"ForkJoinTask8Test",
461	>	"LongAccumulatorTest",
462	>	"LongAdderTest",
463	>	"SplittableRandomTest",
464	>	"StampedLockTest",
465	>	"SubmissionPublisherTest",
466	>	"ThreadLocalRandom8Test",
467	>	};
468	>	addNamedTestClasses(suite, java8TestClassNames);
469	>	}
470	>
471	>	// Java9+ test classes
472	>	if (atLeastJava9()) {
473	>	String[] java9TestClassNames = {
474	>	// Currently empty, but expecting varhandle tests
475	>	};
476	>	addNamedTestClasses(suite, java9TestClassNames);
477	>	}
478
479		return suite;
480		}
481
482	+	/** Returns list of junit-style test method names in given class. */
483	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
484	+	Method[] methods = testClass.getDeclaredMethods();
485	+	ArrayList<String> names = new ArrayList<String>(methods.length);
486	+	for (Method method : methods) {
487	+	if (method.getName().startsWith("test")
488	+	&& Modifier.isPublic(method.getModifiers())
489	+	// method.getParameterCount() requires jdk8+
490	+	&& method.getParameterTypes().length == 0) {
491	+	names.add(method.getName());
492	+	}
493	+	}
494	+	return names;
495	+	}
496	+
497	+	/**
498	+	* Returns junit-style testSuite for the given test class, but
499	+	* parameterized by passing extra data to each test.
500	+	*/
501	+	public static <ExtraData> Test parameterizedTestSuite
502	+	(Class<? extends JSR166TestCase> testClass,
503	+	Class<ExtraData> dataClass,
504	+	ExtraData data) {
505	+	try {
506	+	TestSuite suite = new TestSuite();
507	+	Constructor c =
508	+	testClass.getDeclaredConstructor(dataClass, String.class);
509	+	for (String methodName : testMethodNames(testClass))
510	+	suite.addTest((Test) c.newInstance(data, methodName));
511	+	return suite;
512	+	} catch (Exception e) {
513	+	throw new Error(e);
514	+	}
515	+	}
516	+
517	+	/**
518	+	* Returns junit-style testSuite for the jdk8 extension of the
519	+	* given test class, but parameterized by passing extra data to
520	+	* each test.  Uses reflection to allow compilation in jdk7.
521	+	*/
522	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
523	+	(Class<? extends JSR166TestCase> testClass,
524	+	Class<ExtraData> dataClass,
525	+	ExtraData data) {
526	+	if (atLeastJava8()) {
527	+	String name = testClass.getName();
528	+	String name8 = name.replaceAll("Test$", "8Test");
529	+	if (name.equals(name8)) throw new Error(name);
530	+	try {
531	+	return (Test)
532	+	Class.forName(name8)
533	+	.getMethod("testSuite", new Class[] { dataClass })
534	+	.invoke(null, data);
535	+	} catch (Exception e) {
536	+	throw new Error(e);
537	+	}
538	+	} else {
539	+	return new TestSuite();
540	+	}
541	+	}
542	+
543	+	// Delays for timing-dependent tests, in milliseconds.
544
545		public static long SHORT_DELAY_MS;
546		public static long SMALL_DELAY_MS;
547		public static long MEDIUM_DELAY_MS;
548		public static long LONG_DELAY_MS;
549
194	–
550		/**
551		* Returns the shortest timed delay. This could
552		* be reimplemented to use for example a Property.
#	Line 200 | Line 555 | public class JSR166TestCase extends Test
555		return 50;
556		}
557
203	–
558		/**
559		* Sets delays as multiples of SHORT_DELAY.
560		*/
561		protected void setDelays() {
562		SHORT_DELAY_MS = getShortDelay();
563	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
563	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
564		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
565	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
565	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
566	>	}
567	>
568	>	/**
569	>	* Returns a timeout in milliseconds to be used in tests that
570	>	* verify that operations block or time out.
571	>	*/
572	>	long timeoutMillis() {
573	>	return SHORT_DELAY_MS / 4;
574	>	}
575	>
576	>	/**
577	>	* Returns a new Date instance representing a time at least
578	>	* delayMillis milliseconds in the future.
579	>	*/
580	>	Date delayedDate(long delayMillis) {
581	>	// Add 1 because currentTimeMillis is known to round into the past.
582	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
583		}
584
585		/**
586	<	* Flag set true if any threadAssert methods fail
586	>	* The first exception encountered if any threadAssertXXX method fails.
587		*/
588	<	volatile boolean threadFailed;
588	>	private final AtomicReference<Throwable> threadFailure
589	>	= new AtomicReference<Throwable>(null);
590
591		/**
592	<	* Initializes test to indicate that no thread assertions have failed
592	>	* Records an exception so that it can be rethrown later in the test
593	>	* harness thread, triggering a test case failure.  Only the first
594	>	* failure is recorded; subsequent calls to this method from within
595	>	* the same test have no effect.
596		*/
597	+	public void threadRecordFailure(Throwable t) {
598	+	System.err.println(t);
599	+	dumpTestThreads();
600	+	threadFailure.compareAndSet(null, t);
601	+	}
602	+
603		public void setUp() {
604		setDelays();
605	<	threadFailed = false;
605	>	}
606	>
607	>	void tearDownFail(String format, Object... args) {
608	>	String msg = toString() + ": " + String.format(format, args);
609	>	System.err.println(msg);
610	>	dumpTestThreads();
611	>	throw new AssertionFailedError(msg);
612		}
613
614		/**
615	<	* Triggers test case failure if any thread assertions have failed
615	>	* Extra checks that get done for all test cases.
616	>	*
617	>	* Triggers test case failure if any thread assertions have failed,
618	>	* by rethrowing, in the test harness thread, any exception recorded
619	>	* earlier by threadRecordFailure.
620	>	*
621	>	* Triggers test case failure if interrupt status is set in the main thread.
622	>	*/
623	>	public void tearDown() throws Exception {
624	>	Throwable t = threadFailure.getAndSet(null);
625	>	if (t != null) {
626	>	if (t instanceof Error)
627	>	throw (Error) t;
628	>	else if (t instanceof RuntimeException)
629	>	throw (RuntimeException) t;
630	>	else if (t instanceof Exception)
631	>	throw (Exception) t;
632	>	else {
633	>	AssertionFailedError afe =
634	>	new AssertionFailedError(t.toString());
635	>	afe.initCause(t);
636	>	throw afe;
637	>	}
638	>	}
639	>
640	>	if (Thread.interrupted())
641	>	tearDownFail("interrupt status set in main thread");
642	>
643	>	checkForkJoinPoolThreadLeaks();
644	>	}
645	>
646	>	/**
647	>	* Finds missing PoolCleaners
648		*/
649	<	public void tearDown() {
650	<	assertFalse(threadFailed);
649	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
650	>	Thread[] survivors = new Thread[7];
651	>	int count = Thread.enumerate(survivors);
652	>	for (int i = 0; i < count; i++) {
653	>	Thread thread = survivors[i];
654	>	String name = thread.getName();
655	>	if (name.startsWith("ForkJoinPool-")) {
656	>	// give thread some time to terminate
657	>	thread.join(LONG_DELAY_MS);
658	>	if (thread.isAlive())
659	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
660	>	thread);
661	>	}
662	>	}
663	>
664	>	if (!ForkJoinPool.commonPool()
665	>	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
666	>	tearDownFail("ForkJoin common pool thread stuck");
667		}
668
669		/**
670	<	* Fail, also setting status to indicate current testcase should fail
670	>	* Just like fail(reason), but additionally recording (using
671	>	* threadRecordFailure) any AssertionFailedError thrown, so that
672	>	* the current testcase will fail.
673		*/
674		public void threadFail(String reason) {
675	<	threadFailed = true;
676	<	fail(reason);
675	>	try {
676	>	fail(reason);
677	>	} catch (AssertionFailedError t) {
678	>	threadRecordFailure(t);
679	>	throw t;
680	>	}
681		}
682
683		/**
684	<	* If expression not true, set status to indicate current testcase
685	<	* should fail
684	>	* Just like assertTrue(b), but additionally recording (using
685	>	* threadRecordFailure) any AssertionFailedError thrown, so that
686	>	* the current testcase will fail.
687		*/
688		public void threadAssertTrue(boolean b) {
689	<	if (!b) {
248	<	threadFailed = true;
689	>	try {
690		assertTrue(b);
691	+	} catch (AssertionFailedError t) {
692	+	threadRecordFailure(t);
693	+	throw t;
694		}
695		}
696
697		/**
698	<	* If expression not false, set status to indicate current testcase
699	<	* should fail
698	>	* Just like assertFalse(b), but additionally recording (using
699	>	* threadRecordFailure) any AssertionFailedError thrown, so that
700	>	* the current testcase will fail.
701		*/
702		public void threadAssertFalse(boolean b) {
703	<	if (b) {
259	<	threadFailed = true;
703	>	try {
704		assertFalse(b);
705	+	} catch (AssertionFailedError t) {
706	+	threadRecordFailure(t);
707	+	throw t;
708		}
709		}
710
711		/**
712	<	* If argument not null, set status to indicate current testcase
713	<	* should fail
712	>	* Just like assertNull(x), but additionally recording (using
713	>	* threadRecordFailure) any AssertionFailedError thrown, so that
714	>	* the current testcase will fail.
715		*/
716		public void threadAssertNull(Object x) {
717	<	if (x != null) {
270	<	threadFailed = true;
717	>	try {
718		assertNull(x);
719	+	} catch (AssertionFailedError t) {
720	+	threadRecordFailure(t);
721	+	throw t;
722		}
723		}
724
725		/**
726	<	* If arguments not equal, set status to indicate current testcase
727	<	* should fail
726	>	* Just like assertEquals(x, y), but additionally recording (using
727	>	* threadRecordFailure) any AssertionFailedError thrown, so that
728	>	* the current testcase will fail.
729		*/
730		public void threadAssertEquals(long x, long y) {
731	<	if (x != y) {
281	<	threadFailed = true;
731	>	try {
732		assertEquals(x, y);
733	+	} catch (AssertionFailedError t) {
734	+	threadRecordFailure(t);
735	+	throw t;
736		}
737		}
738
739		/**
740	<	* If arguments not equal, set status to indicate current testcase
741	<	* should fail
740	>	* Just like assertEquals(x, y), but additionally recording (using
741	>	* threadRecordFailure) any AssertionFailedError thrown, so that
742	>	* the current testcase will fail.
743		*/
744		public void threadAssertEquals(Object x, Object y) {
745	<	if (x != y && (x == null || !x.equals(y))) {
292	<	threadFailed = true;
745	>	try {
746		assertEquals(x, y);
747	+	} catch (AssertionFailedError fail) {
748	+	threadRecordFailure(fail);
749	+	throw fail;
750	+	} catch (Throwable fail) {
751	+	threadUnexpectedException(fail);
752		}
753		}
754
755		/**
756	<	* If arguments not identical, set status to indicate current testcase
757	<	* should fail
756	>	* Just like assertSame(x, y), but additionally recording (using
757	>	* threadRecordFailure) any AssertionFailedError thrown, so that
758	>	* the current testcase will fail.
759		*/
760		public void threadAssertSame(Object x, Object y) {
761	<	if (x != y) {
303	<	threadFailed = true;
761	>	try {
762		assertSame(x, y);
763	+	} catch (AssertionFailedError fail) {
764	+	threadRecordFailure(fail);
765	+	throw fail;
766		}
767		}
768
769		/**
770	<	* threadFail with message "should throw exception"
770	>	* Calls threadFail with message "should throw exception".
771		*/
772		public void threadShouldThrow() {
773	<	threadFailed = true;
313	<	fail("should throw exception");
773	>	threadFail("should throw exception");
774		}
775
776		/**
777	<	* threadFail with message "should throw" + exceptionName
777	>	* Calls threadFail with message "should throw" + exceptionName.
778		*/
779		public void threadShouldThrow(String exceptionName) {
780	<	threadFailed = true;
781	<	fail("should throw " + exceptionName);
780	>	threadFail("should throw " + exceptionName);
781	>	}
782	>
783	>	/**
784	>	* Records the given exception using {@link #threadRecordFailure},
785	>	* then rethrows the exception, wrapping it in an
786	>	* AssertionFailedError if necessary.
787	>	*/
788	>	public void threadUnexpectedException(Throwable t) {
789	>	threadRecordFailure(t);
790	>	t.printStackTrace();
791	>	if (t instanceof RuntimeException)
792	>	throw (RuntimeException) t;
793	>	else if (t instanceof Error)
794	>	throw (Error) t;
795	>	else {
796	>	AssertionFailedError afe =
797	>	new AssertionFailedError("unexpected exception: " + t);
798	>	afe.initCause(t);
799	>	throw afe;
800	>	}
801		}
802
803		/**
804	<	* threadFail with message "Unexpected exception"
804	>	* Delays, via Thread.sleep, for the given millisecond delay, but
805	>	* if the sleep is shorter than specified, may re-sleep or yield
806	>	* until time elapses.  Ensures that the given time, as measured
807	>	* by System.nanoTime(), has elapsed.
808		*/
809	<	public void threadUnexpectedException() {
810	<	threadFailed = true;
811	<	fail("Unexpected exception");
809	>	static void delay(long millis) throws InterruptedException {
810	>	long nanos = millis * (1000 * 1000);
811	>	final long wakeupTime = System.nanoTime() + nanos;
812	>	do {
813	>	if (millis > 0L)
814	>	Thread.sleep(millis);
815	>	else // too short to sleep
816	>	Thread.yield();
817	>	nanos = wakeupTime - System.nanoTime();
818	>	millis = nanos / (1000 * 1000);
819	>	} while (nanos >= 0L);
820		}
821
822		/**
823	<	* threadFail with message "Unexpected exception", with argument
823	>	* Allows use of try-with-resources with per-test thread pools.
824		*/
825	<	public void threadUnexpectedException(Throwable ex) {
826	<	threadFailed = true;
827	<	ex.printStackTrace();
828	<	fail("Unexpected exception: " + ex);
825	>	class PoolCleaner implements AutoCloseable {
826	>	private final ExecutorService pool;
827	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
828	>	public void close() { joinPool(pool); }
829		}
830
831		/**
832	<	* Wait out termination of a thread pool or fail doing so
832	>	* An extension of PoolCleaner that has an action to release the pool.
833		*/
834	<	public void joinPool(ExecutorService exec) {
834	>	class PoolCleanerWithReleaser extends PoolCleaner {
835	>	private final Runnable releaser;
836	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
837	>	super(pool);
838	>	this.releaser = releaser;
839	>	}
840	>	public void close() {
841	>	try {
842	>	releaser.run();
843	>	} finally {
844	>	super.close();
845	>	}
846	>	}
847	>	}
848	>
849	>	PoolCleaner cleaner(ExecutorService pool) {
850	>	return new PoolCleaner(pool);
851	>	}
852	>
853	>	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
854	>	return new PoolCleanerWithReleaser(pool, releaser);
855	>	}
856	>
857	>	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
858	>	return new PoolCleanerWithReleaser(pool, releaser(latch));
859	>	}
860	>
861	>	Runnable releaser(final CountDownLatch latch) {
862	>	return new Runnable() { public void run() {
863	>	do { latch.countDown(); }
864	>	while (latch.getCount() > 0);
865	>	}};
866	>	}
867	>
868	>	/**
869	>	* Waits out termination of a thread pool or fails doing so.
870	>	*/
871	>	void joinPool(ExecutorService pool) {
872		try {
873	<	exec.shutdown();
874	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
873	>	pool.shutdown();
874	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
875	>	try {
876	>	threadFail("ExecutorService " + pool +
877	>	" did not terminate in a timely manner");
878	>	} finally {
879	>	// last resort, for the benefit of subsequent tests
880	>	pool.shutdownNow();
881	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
882	>	}
883	>	}
884		} catch (SecurityException ok) {
885		// Allowed in case test doesn't have privs
886	<	} catch (InterruptedException ie) {
887	<	fail("Unexpected InterruptedException");
886	>	} catch (InterruptedException fail) {
887	>	threadFail("Unexpected InterruptedException");
888		}
889		}
890
891	+	/** Like Runnable, but with the freedom to throw anything */
892	+	interface Action { public void run() throws Throwable; }
893
894		/**
895	<	* fail with message "should throw exception"
895	>	* Runs all the given actions in parallel, failing if any fail.
896	>	* Useful for running multiple variants of tests that are
897	>	* necessarily individually slow because they must block.
898		*/
899	<	public void shouldThrow() {
900	<	fail("Should throw exception");
899	>	void testInParallel(Action ... actions) {
900	>	ExecutorService pool = Executors.newCachedThreadPool();
901	>	try (PoolCleaner cleaner = cleaner(pool)) {
902	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
903	>	for (final Action action : actions)
904	>	futures.add(pool.submit(new CheckedRunnable() {
905	>	public void realRun() throws Throwable { action.run();}}));
906	>	for (Future<?> future : futures)
907	>	try {
908	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
909	>	} catch (ExecutionException ex) {
910	>	threadUnexpectedException(ex.getCause());
911	>	} catch (Exception ex) {
912	>	threadUnexpectedException(ex);
913	>	}
914	>	}
915		}
916
917		/**
918	<	* fail with message "should throw " + exceptionName
918	>	* A debugging tool to print stack traces of most threads, as jstack does.
919	>	* Uninteresting threads are filtered out.
920		*/
921	<	public void shouldThrow(String exceptionName) {
922	<	fail("Should throw " + exceptionName);
921	>	static void dumpTestThreads() {
922	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
923	>	System.err.println("------ stacktrace dump start ------");
924	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
925	>	String name = info.getThreadName();
926	>	if ("Signal Dispatcher".equals(name))
927	>	continue;
928	>	if ("Reference Handler".equals(name)
929	>	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
930	>	continue;
931	>	if ("Finalizer".equals(name)
932	>	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
933	>	continue;
934	>	if ("checkForWedgedTest".equals(name))
935	>	continue;
936	>	System.err.print(info);
937	>	}
938	>	System.err.println("------ stacktrace dump end ------");
939		}
940
941		/**
942	<	* fail with message "Unexpected exception"
942	>	* Checks that thread does not terminate within the default
943	>	* millisecond delay of {@code timeoutMillis()}.
944		*/
945	<	public void unexpectedException() {
946	<	fail("Unexpected exception");
945	>	void assertThreadStaysAlive(Thread thread) {
946	>	assertThreadStaysAlive(thread, timeoutMillis());
947		}
948
949		/**
950	<	* fail with message "Unexpected exception", with argument
950	>	* Checks that thread does not terminate within the given millisecond delay.
951		*/
952	<	public void unexpectedException(Throwable ex) {
953	<	ex.printStackTrace();
954	<	fail("Unexpected exception: " + ex);
952	>	void assertThreadStaysAlive(Thread thread, long millis) {
953	>	try {
954	>	// No need to optimize the failing case via Thread.join.
955	>	delay(millis);
956	>	assertTrue(thread.isAlive());
957	>	} catch (InterruptedException fail) {
958	>	threadFail("Unexpected InterruptedException");
959	>	}
960		}
961
962	+	/**
963	+	* Checks that the threads do not terminate within the default
964	+	* millisecond delay of {@code timeoutMillis()}.
965	+	*/
966	+	void assertThreadsStayAlive(Thread... threads) {
967	+	assertThreadsStayAlive(timeoutMillis(), threads);
968	+	}
969	+
970	+	/**
971	+	* Checks that the threads do not terminate within the given millisecond delay.
972	+	*/
973	+	void assertThreadsStayAlive(long millis, Thread... threads) {
974	+	try {
975	+	// No need to optimize the failing case via Thread.join.
976	+	delay(millis);
977	+	for (Thread thread : threads)
978	+	assertTrue(thread.isAlive());
979	+	} catch (InterruptedException fail) {
980	+	threadFail("Unexpected InterruptedException");
981	+	}
982	+	}
983	+
984	+	/**
985	+	* Checks that future.get times out, with the default timeout of
986	+	* {@code timeoutMillis()}.
987	+	*/
988	+	void assertFutureTimesOut(Future future) {
989	+	assertFutureTimesOut(future, timeoutMillis());
990	+	}
991	+
992	+	/**
993	+	* Checks that future.get times out, with the given millisecond timeout.
994	+	*/
995	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
996	+	long startTime = System.nanoTime();
997	+	try {
998	+	future.get(timeoutMillis, MILLISECONDS);
999	+	shouldThrow();
1000	+	} catch (TimeoutException success) {
1001	+	} catch (Exception fail) {
1002	+	threadUnexpectedException(fail);
1003	+	} finally { future.cancel(true); }
1004	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1005	+	}
1006	+
1007	+	/**
1008	+	* Fails with message "should throw exception".
1009	+	*/
1010	+	public void shouldThrow() {
1011	+	fail("Should throw exception");
1012	+	}
1013	+
1014	+	/**
1015	+	* Fails with message "should throw " + exceptionName.
1016	+	*/
1017	+	public void shouldThrow(String exceptionName) {
1018	+	fail("Should throw " + exceptionName);
1019	+	}
1020
1021		/**
1022		* The number of elements to place in collections, arrays, etc.
#	Line 408 | Line 1043 | public class JSR166TestCase extends Test
1043		public static final Integer m6  = new Integer(-6);
1044		public static final Integer m10 = new Integer(-10);
1045
411	–
1046		/**
1047		* Runs Runnable r with a security policy that permits precisely
1048		* the specified permissions.  If there is no current security
#	Line 420 | Line 1054 | public class JSR166TestCase extends Test
1054		SecurityManager sm = System.getSecurityManager();
1055		if (sm == null) {
1056		r.run();
1057	+	}
1058	+	runWithSecurityManagerWithPermissions(r, permissions);
1059	+	}
1060	+
1061	+	/**
1062	+	* Runs Runnable r with a security policy that permits precisely
1063	+	* the specified permissions.  If there is no current security
1064	+	* manager, a temporary one is set for the duration of the
1065	+	* Runnable.  We require that any security manager permit
1066	+	* getPolicy/setPolicy.
1067	+	*/
1068	+	public void runWithSecurityManagerWithPermissions(Runnable r,
1069	+	Permission... permissions) {
1070	+	SecurityManager sm = System.getSecurityManager();
1071	+	if (sm == null) {
1072		Policy savedPolicy = Policy.getPolicy();
1073		try {
1074		Policy.setPolicy(permissivePolicy());
1075		System.setSecurityManager(new SecurityManager());
1076	<	runWithPermissions(r, permissions);
1076	>	runWithSecurityManagerWithPermissions(r, permissions);
1077		} finally {
1078		System.setSecurityManager(null);
1079		Policy.setPolicy(savedPolicy);
#	Line 472 | Line 1121 | public class JSR166TestCase extends Test
1121		return perms.implies(p);
1122		}
1123		public void refresh() {}
1124	+	public String toString() {
1125	+	List<Permission> ps = new ArrayList<Permission>();
1126	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1127	+	ps.add(e.nextElement());
1128	+	return "AdjustablePolicy with permissions " + ps;
1129	+	}
1130		}
1131
1132		/**
#	Line 494 | Line 1149 | public class JSR166TestCase extends Test
1149		}
1150
1151		/**
1152	<	* Sleep until the timeout has elapsed, or interrupted.
1153	<	* Does <em>NOT</em> throw InterruptedException.
1152	>	* Sleeps until the given time has elapsed.
1153	>	* Throws AssertionFailedError if interrupted.
1154	>	*/
1155	>	void sleep(long millis) {
1156	>	try {
1157	>	delay(millis);
1158	>	} catch (InterruptedException fail) {
1159	>	AssertionFailedError afe =
1160	>	new AssertionFailedError("Unexpected InterruptedException");
1161	>	afe.initCause(fail);
1162	>	throw afe;
1163	>	}
1164	>	}
1165	>
1166	>	/**
1167	>	* Spin-waits up to the specified number of milliseconds for the given
1168	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1169	>	*/
1170	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1171	>	long startTime = System.nanoTime();
1172	>	for (;;) {
1173	>	Thread.State s = thread.getState();
1174	>	if (s == Thread.State.BLOCKED ||
1175	>	s == Thread.State.WAITING ||
1176	>	s == Thread.State.TIMED_WAITING)
1177	>	return;
1178	>	else if (s == Thread.State.TERMINATED)
1179	>	fail("Unexpected thread termination");
1180	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1181	>	threadAssertTrue(thread.isAlive());
1182	>	return;
1183	>	}
1184	>	Thread.yield();
1185	>	}
1186	>	}
1187	>
1188	>	/**
1189	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1190	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
1191	>	*/
1192	>	void waitForThreadToEnterWaitState(Thread thread) {
1193	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1194	>	}
1195	>
1196	>	/**
1197	>	* Returns the number of milliseconds since time given by
1198	>	* startNanoTime, which must have been previously returned from a
1199	>	* call to {@link System#nanoTime()}.
1200	>	*/
1201	>	static long millisElapsedSince(long startNanoTime) {
1202	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1203	>	}
1204	>
1205	>	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1206	>	//         long startTime = System.nanoTime();
1207	>	//         try {
1208	>	//             r.run();
1209	>	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1210	>	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1211	>	//             throw new AssertionFailedError("did not return promptly");
1212	>	//     }
1213	>
1214	>	//     void assertTerminatesPromptly(Runnable r) {
1215	>	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1216	>	//     }
1217	>
1218	>	/**
1219	>	* Checks that timed f.get() returns the expected value, and does not
1220	>	* wait for the timeout to elapse before returning.
1221		*/
1222	<	void sleepTillInterrupted(long timeoutMillis) {
1222	>	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1223	>	long startTime = System.nanoTime();
1224		try {
1225	<	Thread.sleep(timeoutMillis);
1226	<	} catch (InterruptedException wakeup) {}
1225	>	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1226	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1227	>	if (millisElapsedSince(startTime) > timeoutMillis/2)
1228	>	throw new AssertionFailedError("timed get did not return promptly");
1229	>	}
1230	>
1231	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1232	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1233		}
1234
1235		/**
1236	<	* Returns a new started Thread running the given runnable.
1236	>	* Returns a new started daemon Thread running the given runnable.
1237		*/
1238		Thread newStartedThread(Runnable runnable) {
1239		Thread t = new Thread(runnable);
1240	+	t.setDaemon(true);
1241		t.start();
1242		return t;
1243		}
1244
1245	+	/**
1246	+	* Waits for the specified time (in milliseconds) for the thread
1247	+	* to terminate (using {@link Thread#join(long)}), else interrupts
1248	+	* the thread (in the hope that it may terminate later) and fails.
1249	+	*/
1250	+	void awaitTermination(Thread t, long timeoutMillis) {
1251	+	try {
1252	+	t.join(timeoutMillis);
1253	+	} catch (InterruptedException fail) {
1254	+	threadUnexpectedException(fail);
1255	+	} finally {
1256	+	if (t.getState() != Thread.State.TERMINATED) {
1257	+	t.interrupt();
1258	+	threadFail("timed out waiting for thread to terminate");
1259	+	}
1260	+	}
1261	+	}
1262	+
1263	+	/**
1264	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1265	+	* terminate (using {@link Thread#join(long)}), else interrupts
1266	+	* the thread (in the hope that it may terminate later) and fails.
1267	+	*/
1268	+	void awaitTermination(Thread t) {
1269	+	awaitTermination(t, LONG_DELAY_MS);
1270	+	}
1271	+
1272		// Some convenient Runnable classes
1273
1274		public abstract class CheckedRunnable implements Runnable {
#	Line 520 | Line 1277 | public class JSR166TestCase extends Test
1277		public final void run() {
1278		try {
1279		realRun();
1280	<	} catch (Throwable t) {
1281	<	threadUnexpectedException(t);
1280	>	} catch (Throwable fail) {
1281	>	threadUnexpectedException(fail);
1282		}
1283		}
1284		}
#	Line 574 | Line 1331 | public class JSR166TestCase extends Test
1331		realRun();
1332		threadShouldThrow("InterruptedException");
1333		} catch (InterruptedException success) {
1334	<	} catch (Throwable t) {
1335	<	threadUnexpectedException(t);
1334	>	threadAssertFalse(Thread.interrupted());
1335	>	} catch (Throwable fail) {
1336	>	threadUnexpectedException(fail);
1337		}
1338		}
1339		}
#	Line 586 | Line 1344 | public class JSR166TestCase extends Test
1344		public final T call() {
1345		try {
1346		return realCall();
1347	<	} catch (Throwable t) {
1348	<	threadUnexpectedException(t);
1347	>	} catch (Throwable fail) {
1348	>	threadUnexpectedException(fail);
1349	>	return null;
1350		}
592	–	return null;
1351		}
1352		}
1353
1354	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
1354	>	public abstract class CheckedInterruptedCallable<T>
1355	>	implements Callable<T> {
1356		protected abstract T realCall() throws Throwable;
1357
1358		public final T call() {
#	Line 602 | Line 1361 | public class JSR166TestCase extends Test
1361		threadShouldThrow("InterruptedException");
1362		return result;
1363		} catch (InterruptedException success) {
1364	<	} catch (Throwable t) {
1365	<	threadUnexpectedException(t);
1364	>	threadAssertFalse(Thread.interrupted());
1365	>	} catch (Throwable fail) {
1366	>	threadUnexpectedException(fail);
1367		}
1368		return null;
1369		}
#	Line 620 | Line 1380 | public class JSR166TestCase extends Test
1380		public static final String TEST_STRING = "a test string";
1381
1382		public static class StringTask implements Callable<String> {
1383	<	public String call() { return TEST_STRING; }
1383	>	final String value;
1384	>	public StringTask() { this(TEST_STRING); }
1385	>	public StringTask(String value) { this.value = value; }
1386	>	public String call() { return value; }
1387		}
1388
1389		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1390		return new CheckedCallable<String>() {
1391	<	public String realCall() {
1391	>	protected String realCall() {
1392		try {
1393		latch.await();
1394		} catch (InterruptedException quittingTime) {}
#	Line 633 | Line 1396 | public class JSR166TestCase extends Test
1396		}};
1397		}
1398
1399	+	public Runnable countDowner(final CountDownLatch latch) {
1400	+	return new CheckedRunnable() {
1401	+	public void realRun() throws InterruptedException {
1402	+	latch.countDown();
1403	+	}};
1404	+	}
1405	+
1406	+	class LatchAwaiter extends CheckedRunnable {
1407	+	static final int NEW = 0;
1408	+	static final int RUNNING = 1;
1409	+	static final int DONE = 2;
1410	+	final CountDownLatch latch;
1411	+	int state = NEW;
1412	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1413	+	public void realRun() throws InterruptedException {
1414	+	state = 1;
1415	+	await(latch);
1416	+	state = 2;
1417	+	}
1418	+	}
1419	+
1420	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1421	+	return new LatchAwaiter(latch);
1422	+	}
1423	+
1424	+	public void await(CountDownLatch latch) {
1425	+	try {
1426	+	if (!latch.await(LONG_DELAY_MS, MILLISECONDS))
1427	+	fail("timed out waiting for CountDownLatch for "
1428	+	+ (LONG_DELAY_MS/1000) + " sec");
1429	+	} catch (Throwable fail) {
1430	+	threadUnexpectedException(fail);
1431	+	}
1432	+	}
1433	+
1434	+	public void await(Semaphore semaphore) {
1435	+	try {
1436	+	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1437	+	fail("timed out waiting for Semaphore for "
1438	+	+ (LONG_DELAY_MS/1000) + " sec");
1439	+	} catch (Throwable fail) {
1440	+	threadUnexpectedException(fail);
1441	+	}
1442	+	}
1443	+
1444	+	//     /**
1445	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1446	+	//      */
1447	+	//     public void await(AtomicBoolean flag) {
1448	+	//         await(flag, LONG_DELAY_MS);
1449	+	//     }
1450	+
1451	+	//     /**
1452	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1453	+	//      */
1454	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1455	+	//         long startTime = System.nanoTime();
1456	+	//         while (!flag.get()) {
1457	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1458	+	//                 throw new AssertionFailedError("timed out");
1459	+	//             Thread.yield();
1460	+	//         }
1461	+	//     }
1462	+
1463		public static class NPETask implements Callable<String> {
1464		public String call() { throw new NullPointerException(); }
1465		}
#	Line 643 | Line 1470 | public class JSR166TestCase extends Test
1470
1471		public class ShortRunnable extends CheckedRunnable {
1472		protected void realRun() throws Throwable {
1473	<	Thread.sleep(SHORT_DELAY_MS);
1473	>	delay(SHORT_DELAY_MS);
1474		}
1475		}
1476
1477		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1478		protected void realRun() throws InterruptedException {
1479	<	Thread.sleep(SHORT_DELAY_MS);
1479	>	delay(SHORT_DELAY_MS);
1480		}
1481		}
1482
1483		public class SmallRunnable extends CheckedRunnable {
1484		protected void realRun() throws Throwable {
1485	<	Thread.sleep(SMALL_DELAY_MS);
1485	>	delay(SMALL_DELAY_MS);
1486		}
1487		}
1488
1489		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1490		protected void realRun() {
1491		try {
1492	<	Thread.sleep(SMALL_DELAY_MS);
1492	>	delay(SMALL_DELAY_MS);
1493		} catch (InterruptedException ok) {}
1494		}
1495		}
1496
1497		public class SmallCallable extends CheckedCallable {
1498		protected Object realCall() throws InterruptedException {
1499	<	Thread.sleep(SMALL_DELAY_MS);
1499	>	delay(SMALL_DELAY_MS);
1500		return Boolean.TRUE;
1501		}
1502		}
1503
677	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
678	–	protected void realRun() throws InterruptedException {
679	–	Thread.sleep(SMALL_DELAY_MS);
680	–	}
681	–	}
682	–
1504		public class MediumRunnable extends CheckedRunnable {
1505		protected void realRun() throws Throwable {
1506	<	Thread.sleep(MEDIUM_DELAY_MS);
1506	>	delay(MEDIUM_DELAY_MS);
1507		}
1508		}
1509
1510		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1511		protected void realRun() throws InterruptedException {
1512	<	Thread.sleep(MEDIUM_DELAY_MS);
1512	>	delay(MEDIUM_DELAY_MS);
1513		}
1514		}
1515
1516	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1517	+	return new CheckedRunnable() {
1518	+	protected void realRun() {
1519	+	try {
1520	+	delay(timeoutMillis);
1521	+	} catch (InterruptedException ok) {}
1522	+	}};
1523	+	}
1524	+
1525		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1526		protected void realRun() {
1527		try {
1528	<	Thread.sleep(MEDIUM_DELAY_MS);
1528	>	delay(MEDIUM_DELAY_MS);
1529		} catch (InterruptedException ok) {}
1530		}
1531		}
#	Line 703 | Line 1533 | public class JSR166TestCase extends Test
1533		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1534		protected void realRun() {
1535		try {
1536	<	Thread.sleep(LONG_DELAY_MS);
1536	>	delay(LONG_DELAY_MS);
1537		} catch (InterruptedException ok) {}
1538		}
1539		}
#	Line 717 | Line 1547 | public class JSR166TestCase extends Test
1547		}
1548		}
1549
1550	+	public interface TrackedRunnable extends Runnable {
1551	+	boolean isDone();
1552	+	}
1553	+
1554	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1555	+	return new TrackedRunnable() {
1556	+	private volatile boolean done = false;
1557	+	public boolean isDone() { return done; }
1558	+	public void run() {
1559	+	try {
1560	+	delay(timeoutMillis);
1561	+	done = true;
1562	+	} catch (InterruptedException ok) {}
1563	+	}
1564	+	};
1565	+	}
1566	+
1567		public static class TrackedShortRunnable implements Runnable {
1568		public volatile boolean done = false;
1569		public void run() {
1570		try {
1571	<	Thread.sleep(SMALL_DELAY_MS);
1571	>	delay(SHORT_DELAY_MS);
1572	>	done = true;
1573	>	} catch (InterruptedException ok) {}
1574	>	}
1575	>	}
1576	>
1577	>	public static class TrackedSmallRunnable implements Runnable {
1578	>	public volatile boolean done = false;
1579	>	public void run() {
1580	>	try {
1581	>	delay(SMALL_DELAY_MS);
1582		done = true;
1583		} catch (InterruptedException ok) {}
1584		}
#	Line 731 | Line 1588 | public class JSR166TestCase extends Test
1588		public volatile boolean done = false;
1589		public void run() {
1590		try {
1591	<	Thread.sleep(MEDIUM_DELAY_MS);
1591	>	delay(MEDIUM_DELAY_MS);
1592		done = true;
1593		} catch (InterruptedException ok) {}
1594		}
#	Line 741 | Line 1598 | public class JSR166TestCase extends Test
1598		public volatile boolean done = false;
1599		public void run() {
1600		try {
1601	<	Thread.sleep(LONG_DELAY_MS);
1601	>	delay(LONG_DELAY_MS);
1602		done = true;
1603		} catch (InterruptedException ok) {}
1604		}
#	Line 758 | Line 1615 | public class JSR166TestCase extends Test
1615		public volatile boolean done = false;
1616		public Object call() {
1617		try {
1618	<	Thread.sleep(SMALL_DELAY_MS);
1618	>	delay(SMALL_DELAY_MS);
1619		done = true;
1620		} catch (InterruptedException ok) {}
1621		return Boolean.TRUE;
1622		}
1623		}
1624
1625	+	/**
1626	+	* Analog of CheckedRunnable for RecursiveAction
1627	+	*/
1628	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1629	+	protected abstract void realCompute() throws Throwable;
1630	+
1631	+	@Override protected final void compute() {
1632	+	try {
1633	+	realCompute();
1634	+	} catch (Throwable fail) {
1635	+	threadUnexpectedException(fail);
1636	+	}
1637	+	}
1638	+	}
1639	+
1640	+	/**
1641	+	* Analog of CheckedCallable for RecursiveTask
1642	+	*/
1643	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1644	+	protected abstract T realCompute() throws Throwable;
1645	+
1646	+	@Override protected final T compute() {
1647	+	try {
1648	+	return realCompute();
1649	+	} catch (Throwable fail) {
1650	+	threadUnexpectedException(fail);
1651	+	return null;
1652	+	}
1653	+	}
1654	+	}
1655
1656		/**
1657		* For use as RejectedExecutionHandler in constructors
#	Line 774 | Line 1661 | public class JSR166TestCase extends Test
1661		ThreadPoolExecutor executor) {}
1662		}
1663
1664	+	/**
1665	+	* A CyclicBarrier that uses timed await and fails with
1666	+	* AssertionFailedErrors instead of throwing checked exceptions.
1667	+	*/
1668	+	public class CheckedBarrier extends CyclicBarrier {
1669	+	public CheckedBarrier(int parties) { super(parties); }
1670	+
1671	+	public int await() {
1672	+	try {
1673	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1674	+	} catch (TimeoutException timedOut) {
1675	+	throw new AssertionFailedError("timed out");
1676	+	} catch (Exception fail) {
1677	+	AssertionFailedError afe =
1678	+	new AssertionFailedError("Unexpected exception: " + fail);
1679	+	afe.initCause(fail);
1680	+	throw afe;
1681	+	}
1682	+	}
1683	+	}
1684	+
1685	+	void checkEmpty(BlockingQueue q) {
1686	+	try {
1687	+	assertTrue(q.isEmpty());
1688	+	assertEquals(0, q.size());
1689	+	assertNull(q.peek());
1690	+	assertNull(q.poll());
1691	+	assertNull(q.poll(0, MILLISECONDS));
1692	+	assertEquals(q.toString(), "[]");
1693	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1694	+	assertFalse(q.iterator().hasNext());
1695	+	try {
1696	+	q.element();
1697	+	shouldThrow();
1698	+	} catch (NoSuchElementException success) {}
1699	+	try {
1700	+	q.iterator().next();
1701	+	shouldThrow();
1702	+	} catch (NoSuchElementException success) {}
1703	+	try {
1704	+	q.remove();
1705	+	shouldThrow();
1706	+	} catch (NoSuchElementException success) {}
1707	+	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1708	+	}
1709	+
1710	+	void assertSerialEquals(Object x, Object y) {
1711	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1712	+	}
1713	+
1714	+	void assertNotSerialEquals(Object x, Object y) {
1715	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1716	+	}
1717	+
1718	+	byte[] serialBytes(Object o) {
1719	+	try {
1720	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1721	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1722	+	oos.writeObject(o);
1723	+	oos.flush();
1724	+	oos.close();
1725	+	return bos.toByteArray();
1726	+	} catch (Throwable fail) {
1727	+	threadUnexpectedException(fail);
1728	+	return new byte[0];
1729	+	}
1730	+	}
1731	+
1732	+	@SuppressWarnings("unchecked")
1733	+	<T> T serialClone(T o) {
1734	+	try {
1735	+	ObjectInputStream ois = new ObjectInputStream
1736	+	(new ByteArrayInputStream(serialBytes(o)));
1737	+	T clone = (T) ois.readObject();
1738	+	assertSame(o.getClass(), clone.getClass());
1739	+	return clone;
1740	+	} catch (Throwable fail) {
1741	+	threadUnexpectedException(fail);
1742	+	return null;
1743	+	}
1744	+	}
1745	+
1746	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1747	+	Runnable... throwingActions) {
1748	+	for (Runnable throwingAction : throwingActions) {
1749	+	boolean threw = false;
1750	+	try { throwingAction.run(); }
1751	+	catch (Throwable t) {
1752	+	threw = true;
1753	+	if (!expectedExceptionClass.isInstance(t)) {
1754	+	AssertionFailedError afe =
1755	+	new AssertionFailedError
1756	+	("Expected " + expectedExceptionClass.getName() +
1757	+	", got " + t.getClass().getName());
1758	+	afe.initCause(t);
1759	+	threadUnexpectedException(afe);
1760	+	}
1761	+	}
1762	+	if (!threw)
1763	+	shouldThrow(expectedExceptionClass.getName());
1764	+	}
1765	+	}
1766	+
1767	+	public void assertIteratorExhausted(Iterator<?> it) {
1768	+	try {
1769	+	it.next();
1770	+	shouldThrow();
1771	+	} catch (NoSuchElementException success) {}
1772	+	assertFalse(it.hasNext());
1773	+	}
1774		}

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