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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.49 by jsr166, Tue Jan 5 02:08:37 2010 UTC vs.
Revision 1.173 by jsr166, Fri Oct 9 16:24:12 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	<	* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but 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
85	<	* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
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 <tt>
90	<	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
91	<	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
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},
91	>	* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
92		* discriminable from zero time, and always allows enough time for the
93		* small amounts of computation (creating a thread, calling a few
94		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
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
101	<	* method (or <tt>fail</tt> to do so) before returning from the
102	<	* method. The <tt> joinPool</tt> method can be used to do this when
103	<	* using Executors.</li>
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.
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
116	<	* isolation.</li>
116	>	* isolation.
117		*
118	<	* <li> The documentation style for testcases is to provide as javadoc
118	>	* <li>The documentation style for testcases is to provide as javadoc
119		* a simple sentence or two describing the property that the testcase
120		* method purports to test. The javadocs do not say anything about how
121	<	* the property is tested. To find out, read the code.</li>
121	>	* the property is tested. To find out, read the code.
122		*
123	<	* <li> These tests are "conformance tests", and do not attempt to
123	>	* <li>These tests are "conformance tests", and do not attempt to
124		* test throughput, latency, scalability or other performance factors
125		* (see the separate "jtreg" tests for a set intended to check these
126		* for the most central aspects of functionality.) So, most tests use
127		* the smallest sensible numbers of threads, collection sizes, etc
128	<	* needed to check basic conformance.</li>
128	>	* needed to check basic conformance.
129		*
130		* <li>The test classes currently do not declare inclusion in
131		* any particular package to simplify things for people integrating
132	<	* them in TCK test suites.</li>
132	>	* them in TCK test suites.
133		*
134	<	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
135	<	* runs all JSR166 unit tests.</li>
134	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
135	>	* runs all JSR166 unit tests.
136		*
137		* </ul>
138		*/
#	Line 90 | Line 140 | public class JSR166TestCase extends Test
140		private static final boolean useSecurityManager =
141		Boolean.getBoolean("jsr166.useSecurityManager");
142
143	+	protected static final boolean expensiveTests =
144	+	Boolean.getBoolean("jsr166.expensiveTests");
145	+
146	+	/**
147	+	* If true, also run tests that are not part of the official tck
148	+	* because they test unspecified implementation details.
149	+	*/
150	+	protected static final boolean testImplementationDetails =
151	+	Boolean.getBoolean("jsr166.testImplementationDetails");
152	+
153	+	/**
154	+	* If true, report on stdout all "slow" tests, that is, ones that
155	+	* take more than profileThreshold milliseconds to execute.
156	+	*/
157	+	private static final boolean profileTests =
158	+	Boolean.getBoolean("jsr166.profileTests");
159	+
160	+	/**
161	+	* The number of milliseconds that tests are permitted for
162	+	* execution without being reported, when profileTests is set.
163	+	*/
164	+	private static final long profileThreshold =
165	+	Long.getLong("jsr166.profileThreshold", 100);
166	+
167	+	/**
168	+	* The number of repetitions per test (for tickling rare bugs).
169	+	*/
170	+	private static final int runsPerTest =
171	+	Integer.getInteger("jsr166.runsPerTest", 1);
172	+
173	+	/**
174	+	* The number of repetitions of the test suite (for finding leaks?).
175	+	*/
176	+	private static final int suiteRuns =
177	+	Integer.getInteger("jsr166.suiteRuns", 1);
178	+
179	+	public JSR166TestCase() { super(); }
180	+	public JSR166TestCase(String name) { super(name); }
181	+
182		/**
183	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
183	>	* A filter for tests to run, matching strings of the form
184	>	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
185	>	* Usefully combined with jsr166.runsPerTest.
186	>	*/
187	>	private static final Pattern methodFilter = methodFilter();
188	>
189	>	private static Pattern methodFilter() {
190	>	String regex = System.getProperty("jsr166.methodFilter");
191	>	return (regex == null) ? null : Pattern.compile(regex);
192	>	}
193	>
194	>	// Instrumentation to debug very rare, but very annoying hung test runs.
195	>	static volatile TestCase currentTestCase;
196	>	// static volatile int currentRun = 0;
197	>	static {
198	>	Runnable checkForWedgedTest = new Runnable() { public void run() {
199	>	// avoid spurious reports with enormous runsPerTest
200	>	final int timeoutMinutes = Math.max(runsPerTest / 10, 1);
201	>	for (TestCase lastTestCase = currentTestCase;;) {
202	>	try { MINUTES.sleep(timeoutMinutes); }
203	>	catch (InterruptedException unexpected) { break; }
204	>	if (lastTestCase == currentTestCase) {
205	>	System.err.printf(
206	>	"Looks like we're stuck running test: %s%n",
207	>	lastTestCase);
208	>	//                     System.err.printf(
209	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
210	>	//                         lastTestCase, currentRun, runsPerTest);
211	>	System.err.println("availableProcessors=" +
212	>	Runtime.getRuntime().availableProcessors());
213	>	System.err.printf("cpu model = %s%n", cpuModel());
214	>	dumpTestThreads();
215	>	// one stack dump is probably enough; more would be spam
216	>	break;
217	>	}
218	>	lastTestCase = currentTestCase;
219	>	}}};
220	>	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
221	>	thread.setDaemon(true);
222	>	thread.start();
223	>	}
224	>
225	>	public static String cpuModel() {
226	>	try {
227	>	Matcher matcher = Pattern.compile("model name\\s*: (.*)")
228	>	.matcher(new String(
229	>	Files.readAllBytes(Paths.get("/proc/cpuinfo")), "UTF-8"));
230	>	matcher.find();
231	>	return matcher.group(1);
232	>	} catch (Exception ex) { return null; }
233	>	}
234	>
235	>	public void runBare() throws Throwable {
236	>	currentTestCase = this;
237	>	if (methodFilter == null
238	>	|| methodFilter.matcher(toString()).find())
239	>	super.runBare();
240	>	}
241	>
242	>	protected void runTest() throws Throwable {
243	>	for (int i = 0; i < runsPerTest; i++) {
244	>	// currentRun = i;
245	>	if (profileTests)
246	>	runTestProfiled();
247	>	else
248	>	super.runTest();
249	>	}
250	>	}
251	>
252	>	protected void runTestProfiled() throws Throwable {
253	>	for (int i = 0; i < 2; i++) {
254	>	long startTime = System.nanoTime();
255	>	super.runTest();
256	>	long elapsedMillis = millisElapsedSince(startTime);
257	>	if (elapsedMillis < profileThreshold)
258	>	break;
259	>	// Never report first run of any test; treat it as a
260	>	// warmup run, notably to trigger all needed classloading,
261	>	if (i > 0)
262	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
263	>	}
264	>	}
265	>
266	>	/**
267	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
268		*/
269		public static void main(String[] args) {
270	+	main(suite(), args);
271	+	}
272	+
273	+	/**
274	+	* Runs all unit tests in the given test suite.
275	+	* Actual behavior influenced by jsr166.* system properties.
276	+	*/
277	+	static void main(Test suite, String[] args) {
278		if (useSecurityManager) {
279		System.err.println("Setting a permissive security manager");
280		Policy.setPolicy(permissivePolicy());
281		System.setSecurityManager(new SecurityManager());
282		}
283	<	int iters = 1;
284	<	if (args.length > 0)
285	<	iters = Integer.parseInt(args[0]);
286	<	Test s = suite();
106	<	for (int i = 0; i < iters; ++i) {
107	<	junit.textui.TestRunner.run(s);
283	>	for (int i = 0; i < suiteRuns; i++) {
284	>	TestResult result = junit.textui.TestRunner.run(suite);
285	>	if (!result.wasSuccessful())
286	>	System.exit(1);
287		System.gc();
288		System.runFinalization();
289		}
290	<	System.exit(0);
290	>	}
291	>
292	>	public static TestSuite newTestSuite(Object... suiteOrClasses) {
293	>	TestSuite suite = new TestSuite();
294	>	for (Object suiteOrClass : suiteOrClasses) {
295	>	if (suiteOrClass instanceof TestSuite)
296	>	suite.addTest((TestSuite) suiteOrClass);
297	>	else if (suiteOrClass instanceof Class)
298	>	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
299	>	else
300	>	throw new ClassCastException("not a test suite or class");
301	>	}
302	>	return suite;
303	>	}
304	>
305	>	public static void addNamedTestClasses(TestSuite suite,
306	>	String... testClassNames) {
307	>	for (String testClassName : testClassNames) {
308	>	try {
309	>	Class<?> testClass = Class.forName(testClassName);
310	>	Method m = testClass.getDeclaredMethod("suite",
311	>	new Class<?>[0]);
312	>	suite.addTest(newTestSuite((Test)m.invoke(null)));
313	>	} catch (Exception e) {
314	>	throw new Error("Missing test class", e);
315	>	}
316	>	}
317	>	}
318	>
319	>	public static final double JAVA_CLASS_VERSION;
320	>	public static final String JAVA_SPECIFICATION_VERSION;
321	>	static {
322	>	try {
323	>	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
324	>	new java.security.PrivilegedAction<Double>() {
325	>	public Double run() {
326	>	return Double.valueOf(System.getProperty("java.class.version"));}});
327	>	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
328	>	new java.security.PrivilegedAction<String>() {
329	>	public String run() {
330	>	return System.getProperty("java.specification.version");}});
331	>	} catch (Throwable t) {
332	>	throw new Error(t);
333	>	}
334	>	}
335	>
336	>	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
337	>	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
338	>	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
339	>	public static boolean atLeastJava9() {
340	>	return JAVA_CLASS_VERSION >= 53.0
341	>	// As of 2015-09, java9 still uses 52.0 class file version
342	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
343	>	}
344	>	public static boolean atLeastJava10() {
345	>	return JAVA_CLASS_VERSION >= 54.0
346	>	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
347		}
348
349		/**
350	<	* Collects all JSR166 unit tests as one suite
350	>	* Collects all JSR166 unit tests as one suite.
351		*/
352		public static Test suite() {
353	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
354	<
355	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
356	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
357	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
358	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
359	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
360	<	suite.addTest(new TestSuite(PhaserTest.class));
361	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
362	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
363	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
364	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
365	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
366	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
367	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
368	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
369	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
370	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
371	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
372	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
373	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
374	<	suite.addTest(new TestSuite(AtomicLongTest.class));
375	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
376	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
377	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
378	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
379	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
380	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
381	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
382	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
383	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
384	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
385	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
386	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
387	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
388	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
389	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
390	<	suite.addTest(new TestSuite(DelayQueueTest.class));
391	<	suite.addTest(new TestSuite(EntryTest.class));
392	<	suite.addTest(new TestSuite(ExchangerTest.class));
393	<	suite.addTest(new TestSuite(ExecutorsTest.class));
394	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
395	<	suite.addTest(new TestSuite(FutureTaskTest.class));
396	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
397	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
398	<	suite.addTest(new TestSuite(LinkedListTest.class));
399	<	suite.addTest(new TestSuite(LockSupportTest.class));
400	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
401	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
402	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
403	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
404	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
405	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
406	<	suite.addTest(new TestSuite(SemaphoreTest.class));
407	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
408	<	suite.addTest(new TestSuite(SystemTest.class));
409	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
410	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
411	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
412	<	suite.addTest(new TestSuite(ThreadTest.class));
413	<	suite.addTest(new TestSuite(TimeUnitTest.class));
414	<	suite.addTest(new TestSuite(TreeMapTest.class));
415	<	suite.addTest(new TestSuite(TreeSetTest.class));
416	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
417	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
353	>	// Java7+ test classes
354	>	TestSuite suite = newTestSuite(
355	>	ForkJoinPoolTest.suite(),
356	>	ForkJoinTaskTest.suite(),
357	>	RecursiveActionTest.suite(),
358	>	RecursiveTaskTest.suite(),
359	>	LinkedTransferQueueTest.suite(),
360	>	PhaserTest.suite(),
361	>	ThreadLocalRandomTest.suite(),
362	>	AbstractExecutorServiceTest.suite(),
363	>	AbstractQueueTest.suite(),
364	>	AbstractQueuedSynchronizerTest.suite(),
365	>	AbstractQueuedLongSynchronizerTest.suite(),
366	>	ArrayBlockingQueueTest.suite(),
367	>	ArrayDequeTest.suite(),
368	>	AtomicBooleanTest.suite(),
369	>	AtomicIntegerArrayTest.suite(),
370	>	AtomicIntegerFieldUpdaterTest.suite(),
371	>	AtomicIntegerTest.suite(),
372	>	AtomicLongArrayTest.suite(),
373	>	AtomicLongFieldUpdaterTest.suite(),
374	>	AtomicLongTest.suite(),
375	>	AtomicMarkableReferenceTest.suite(),
376	>	AtomicReferenceArrayTest.suite(),
377	>	AtomicReferenceFieldUpdaterTest.suite(),
378	>	AtomicReferenceTest.suite(),
379	>	AtomicStampedReferenceTest.suite(),
380	>	ConcurrentHashMapTest.suite(),
381	>	ConcurrentLinkedDequeTest.suite(),
382	>	ConcurrentLinkedQueueTest.suite(),
383	>	ConcurrentSkipListMapTest.suite(),
384	>	ConcurrentSkipListSubMapTest.suite(),
385	>	ConcurrentSkipListSetTest.suite(),
386	>	ConcurrentSkipListSubSetTest.suite(),
387	>	CopyOnWriteArrayListTest.suite(),
388	>	CopyOnWriteArraySetTest.suite(),
389	>	CountDownLatchTest.suite(),
390	>	CyclicBarrierTest.suite(),
391	>	DelayQueueTest.suite(),
392	>	EntryTest.suite(),
393	>	ExchangerTest.suite(),
394	>	ExecutorsTest.suite(),
395	>	ExecutorCompletionServiceTest.suite(),
396	>	FutureTaskTest.suite(),
397	>	LinkedBlockingDequeTest.suite(),
398	>	LinkedBlockingQueueTest.suite(),
399	>	LinkedListTest.suite(),
400	>	LockSupportTest.suite(),
401	>	PriorityBlockingQueueTest.suite(),
402	>	PriorityQueueTest.suite(),
403	>	ReentrantLockTest.suite(),
404	>	ReentrantReadWriteLockTest.suite(),
405	>	ScheduledExecutorTest.suite(),
406	>	ScheduledExecutorSubclassTest.suite(),
407	>	SemaphoreTest.suite(),
408	>	SynchronousQueueTest.suite(),
409	>	SystemTest.suite(),
410	>	ThreadLocalTest.suite(),
411	>	ThreadPoolExecutorTest.suite(),
412	>	ThreadPoolExecutorSubclassTest.suite(),
413	>	ThreadTest.suite(),
414	>	TimeUnitTest.suite(),
415	>	TreeMapTest.suite(),
416	>	TreeSetTest.suite(),
417	>	TreeSubMapTest.suite(),
418	>	TreeSubSetTest.suite());
419	>
420	>	// Java8+ test classes
421	>	if (atLeastJava8()) {
422	>	String[] java8TestClassNames = {
423	>	"Atomic8Test",
424	>	"CompletableFutureTest",
425	>	"ConcurrentHashMap8Test",
426	>	"CountedCompleterTest",
427	>	"DoubleAccumulatorTest",
428	>	"DoubleAdderTest",
429	>	"ForkJoinPool8Test",
430	>	"ForkJoinTask8Test",
431	>	"LongAccumulatorTest",
432	>	"LongAdderTest",
433	>	"SplittableRandomTest",
434	>	"StampedLockTest",
435	>	"SubmissionPublisherTest",
436	>	"ThreadLocalRandom8Test",
437	>	};
438	>	addNamedTestClasses(suite, java8TestClassNames);
439	>	}
440	>
441	>	// Java9+ test classes
442	>	if (atLeastJava9()) {
443	>	String[] java9TestClassNames = {
444	>	// Currently empty, but expecting varhandle tests
445	>	};
446	>	addNamedTestClasses(suite, java9TestClassNames);
447	>	}
448
449		return suite;
450		}
451
452	+	/** Returns list of junit-style test method names in given class. */
453	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
454	+	Method[] methods = testClass.getDeclaredMethods();
455	+	ArrayList<String> names = new ArrayList<String>(methods.length);
456	+	for (Method method : methods) {
457	+	if (method.getName().startsWith("test")
458	+	&& Modifier.isPublic(method.getModifiers())
459	+	// method.getParameterCount() requires jdk8+
460	+	&& method.getParameterTypes().length == 0) {
461	+	names.add(method.getName());
462	+	}
463	+	}
464	+	return names;
465	+	}
466	+
467	+	/**
468	+	* Returns junit-style testSuite for the given test class, but
469	+	* parameterized by passing extra data to each test.
470	+	*/
471	+	public static <ExtraData> Test parameterizedTestSuite
472	+	(Class<? extends JSR166TestCase> testClass,
473	+	Class<ExtraData> dataClass,
474	+	ExtraData data) {
475	+	try {
476	+	TestSuite suite = new TestSuite();
477	+	Constructor c =
478	+	testClass.getDeclaredConstructor(dataClass, String.class);
479	+	for (String methodName : testMethodNames(testClass))
480	+	suite.addTest((Test) c.newInstance(data, methodName));
481	+	return suite;
482	+	} catch (Exception e) {
483	+	throw new Error(e);
484	+	}
485	+	}
486	+
487	+	/**
488	+	* Returns junit-style testSuite for the jdk8 extension of the
489	+	* given test class, but parameterized by passing extra data to
490	+	* each test.  Uses reflection to allow compilation in jdk7.
491	+	*/
492	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
493	+	(Class<? extends JSR166TestCase> testClass,
494	+	Class<ExtraData> dataClass,
495	+	ExtraData data) {
496	+	if (atLeastJava8()) {
497	+	String name = testClass.getName();
498	+	String name8 = name.replaceAll("Test$", "8Test");
499	+	if (name.equals(name8)) throw new Error(name);
500	+	try {
501	+	return (Test)
502	+	Class.forName(name8)
503	+	.getMethod("testSuite", new Class[] { dataClass })
504	+	.invoke(null, data);
505	+	} catch (Exception e) {
506	+	throw new Error(e);
507	+	}
508	+	} else {
509	+	return new TestSuite();
510	+	}
511	+	}
512	+
513	+	// Delays for timing-dependent tests, in milliseconds.
514
515		public static long SHORT_DELAY_MS;
516		public static long SMALL_DELAY_MS;
517		public static long MEDIUM_DELAY_MS;
518		public static long LONG_DELAY_MS;
519
193	–
520		/**
521		* Returns the shortest timed delay. This could
522		* be reimplemented to use for example a Property.
#	Line 199 | Line 525 | public class JSR166TestCase extends Test
525		return 50;
526		}
527
202	–
528		/**
529		* Sets delays as multiples of SHORT_DELAY.
530		*/
531		protected void setDelays() {
532		SHORT_DELAY_MS = getShortDelay();
533	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
533	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
534		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
535	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
535	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
536		}
537
538		/**
539	<	* Flag set true if any threadAssert methods fail
539	>	* Returns a timeout in milliseconds to be used in tests that
540	>	* verify that operations block or time out.
541		*/
542	<	volatile boolean threadFailed;
542	>	long timeoutMillis() {
543	>	return SHORT_DELAY_MS / 4;
544	>	}
545
546		/**
547	<	* Initializes test to indicate that no thread assertions have failed
547	>	* Returns a new Date instance representing a time at least
548	>	* delayMillis milliseconds in the future.
549		*/
550	+	Date delayedDate(long delayMillis) {
551	+	// Add 1 because currentTimeMillis is known to round into the past.
552	+	return new Date(System.currentTimeMillis() + delayMillis + 1);
553	+	}
554	+
555	+	/**
556	+	* The first exception encountered if any threadAssertXXX method fails.
557	+	*/
558	+	private final AtomicReference<Throwable> threadFailure
559	+	= new AtomicReference<Throwable>(null);
560	+
561	+	/**
562	+	* Records an exception so that it can be rethrown later in the test
563	+	* harness thread, triggering a test case failure.  Only the first
564	+	* failure is recorded; subsequent calls to this method from within
565	+	* the same test have no effect.
566	+	*/
567	+	public void threadRecordFailure(Throwable t) {
568	+	System.err.println(t);
569	+	dumpTestThreads();
570	+	threadFailure.compareAndSet(null, t);
571	+	}
572	+
573		public void setUp() {
574		setDelays();
575	<	threadFailed = false;
575	>	}
576	>
577	>	void tearDownFail(String format, Object... args) {
578	>	String msg = toString() + ": " + String.format(format, args);
579	>	System.err.println(msg);
580	>	dumpTestThreads();
581	>	throw new AssertionFailedError(msg);
582		}
583
584		/**
585	<	* Triggers test case failure if any thread assertions have failed
585	>	* Extra checks that get done for all test cases.
586	>	*
587	>	* Triggers test case failure if any thread assertions have failed,
588	>	* by rethrowing, in the test harness thread, any exception recorded
589	>	* earlier by threadRecordFailure.
590	>	*
591	>	* Triggers test case failure if interrupt status is set in the main thread.
592	>	*/
593	>	public void tearDown() throws Exception {
594	>	Throwable t = threadFailure.getAndSet(null);
595	>	if (t != null) {
596	>	if (t instanceof Error)
597	>	throw (Error) t;
598	>	else if (t instanceof RuntimeException)
599	>	throw (RuntimeException) t;
600	>	else if (t instanceof Exception)
601	>	throw (Exception) t;
602	>	else {
603	>	AssertionFailedError afe =
604	>	new AssertionFailedError(t.toString());
605	>	afe.initCause(t);
606	>	throw afe;
607	>	}
608	>	}
609	>
610	>	if (Thread.interrupted())
611	>	tearDownFail("interrupt status set in main thread");
612	>
613	>	checkForkJoinPoolThreadLeaks();
614	>	}
615	>
616	>	/**
617	>	* Finds missing PoolCleaners
618		*/
619	<	public void tearDown() {
620	<	assertFalse(threadFailed);
619	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
620	>	Thread[] survivors = new Thread[7];
621	>	int count = Thread.enumerate(survivors);
622	>	for (int i = 0; i < count; i++) {
623	>	Thread thread = survivors[i];
624	>	String name = thread.getName();
625	>	if (name.startsWith("ForkJoinPool-")) {
626	>	// give thread some time to terminate
627	>	thread.join(LONG_DELAY_MS);
628	>	if (thread.isAlive())
629	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
630	>	thread);
631	>	}
632	>	}
633	>
634	>	if (!ForkJoinPool.commonPool()
635	>	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
636	>	tearDownFail("ForkJoin common pool thread stuck");
637		}
638
639		/**
640	<	* Fail, also setting status to indicate current testcase should fail
640	>	* Just like fail(reason), but additionally recording (using
641	>	* threadRecordFailure) any AssertionFailedError thrown, so that
642	>	* the current testcase will fail.
643		*/
644		public void threadFail(String reason) {
645	<	threadFailed = true;
646	<	fail(reason);
645	>	try {
646	>	fail(reason);
647	>	} catch (AssertionFailedError t) {
648	>	threadRecordFailure(t);
649	>	throw t;
650	>	}
651		}
652
653		/**
654	<	* If expression not true, set status to indicate current testcase
655	<	* should fail
654	>	* Just like assertTrue(b), but additionally recording (using
655	>	* threadRecordFailure) any AssertionFailedError thrown, so that
656	>	* the current testcase will fail.
657		*/
658		public void threadAssertTrue(boolean b) {
659	<	if (!b) {
247	<	threadFailed = true;
659	>	try {
660		assertTrue(b);
661	+	} catch (AssertionFailedError t) {
662	+	threadRecordFailure(t);
663	+	throw t;
664		}
665		}
666
667		/**
668	<	* If expression not false, set status to indicate current testcase
669	<	* should fail
668	>	* Just like assertFalse(b), but additionally recording (using
669	>	* threadRecordFailure) any AssertionFailedError thrown, so that
670	>	* the current testcase will fail.
671		*/
672		public void threadAssertFalse(boolean b) {
673	<	if (b) {
258	<	threadFailed = true;
673	>	try {
674		assertFalse(b);
675	+	} catch (AssertionFailedError t) {
676	+	threadRecordFailure(t);
677	+	throw t;
678		}
679		}
680
681		/**
682	<	* If argument not null, set status to indicate current testcase
683	<	* should fail
682	>	* Just like assertNull(x), but additionally recording (using
683	>	* threadRecordFailure) any AssertionFailedError thrown, so that
684	>	* the current testcase will fail.
685		*/
686		public void threadAssertNull(Object x) {
687	<	if (x != null) {
269	<	threadFailed = true;
687	>	try {
688		assertNull(x);
689	+	} catch (AssertionFailedError t) {
690	+	threadRecordFailure(t);
691	+	throw t;
692		}
693		}
694
695		/**
696	<	* If arguments not equal, set status to indicate current testcase
697	<	* should fail
696	>	* Just like assertEquals(x, y), but additionally recording (using
697	>	* threadRecordFailure) any AssertionFailedError thrown, so that
698	>	* the current testcase will fail.
699		*/
700		public void threadAssertEquals(long x, long y) {
701	<	if (x != y) {
280	<	threadFailed = true;
701	>	try {
702		assertEquals(x, y);
703	+	} catch (AssertionFailedError t) {
704	+	threadRecordFailure(t);
705	+	throw t;
706		}
707		}
708
709		/**
710	<	* If arguments not equal, set status to indicate current testcase
711	<	* should fail
710	>	* Just like assertEquals(x, y), but additionally recording (using
711	>	* threadRecordFailure) any AssertionFailedError thrown, so that
712	>	* the current testcase will fail.
713		*/
714		public void threadAssertEquals(Object x, Object y) {
715	<	if (x != y && (x == null || !x.equals(y))) {
291	<	threadFailed = true;
715	>	try {
716		assertEquals(x, y);
717	+	} catch (AssertionFailedError fail) {
718	+	threadRecordFailure(fail);
719	+	throw fail;
720	+	} catch (Throwable fail) {
721	+	threadUnexpectedException(fail);
722		}
723		}
724
725		/**
726	<	* threadFail with message "should throw exception"
726	>	* Just like assertSame(x, y), but additionally recording (using
727	>	* threadRecordFailure) any AssertionFailedError thrown, so that
728	>	* the current testcase will fail.
729	>	*/
730	>	public void threadAssertSame(Object x, Object y) {
731	>	try {
732	>	assertSame(x, y);
733	>	} catch (AssertionFailedError fail) {
734	>	threadRecordFailure(fail);
735	>	throw fail;
736	>	}
737	>	}
738	>
739	>	/**
740	>	* Calls threadFail with message "should throw exception".
741		*/
742		public void threadShouldThrow() {
743	<	threadFailed = true;
301	<	fail("should throw exception");
743	>	threadFail("should throw exception");
744		}
745
746		/**
747	<	* threadFail with message "should throw" + exceptionName
747	>	* Calls threadFail with message "should throw" + exceptionName.
748		*/
749		public void threadShouldThrow(String exceptionName) {
750	<	threadFailed = true;
309	<	fail("should throw " + exceptionName);
750	>	threadFail("should throw " + exceptionName);
751		}
752
753		/**
754	<	* threadFail with message "Unexpected exception"
754	>	* Records the given exception using {@link #threadRecordFailure},
755	>	* then rethrows the exception, wrapping it in an
756	>	* AssertionFailedError if necessary.
757		*/
758	<	public void threadUnexpectedException() {
759	<	threadFailed = true;
760	<	fail("Unexpected exception");
758	>	public void threadUnexpectedException(Throwable t) {
759	>	threadRecordFailure(t);
760	>	t.printStackTrace();
761	>	if (t instanceof RuntimeException)
762	>	throw (RuntimeException) t;
763	>	else if (t instanceof Error)
764	>	throw (Error) t;
765	>	else {
766	>	AssertionFailedError afe =
767	>	new AssertionFailedError("unexpected exception: " + t);
768	>	afe.initCause(t);
769	>	throw afe;
770	>	}
771		}
772
773		/**
774	<	* threadFail with message "Unexpected exception", with argument
774	>	* Delays, via Thread.sleep, for the given millisecond delay, but
775	>	* if the sleep is shorter than specified, may re-sleep or yield
776	>	* until time elapses.  Ensures that the given time, as measured
777	>	* by System.nanoTime(), has elapsed.
778		*/
779	<	public void threadUnexpectedException(Throwable ex) {
780	<	threadFailed = true;
781	<	ex.printStackTrace();
782	<	fail("Unexpected exception: " + ex);
779	>	static void delay(long millis) throws InterruptedException {
780	>	long nanos = millis * (1000 * 1000);
781	>	final long wakeupTime = System.nanoTime() + nanos;
782	>	do {
783	>	if (millis > 0L)
784	>	Thread.sleep(millis);
785	>	else // too short to sleep
786	>	Thread.yield();
787	>	nanos = wakeupTime - System.nanoTime();
788	>	millis = nanos / (1000 * 1000);
789	>	} while (nanos >= 0L);
790		}
791
792		/**
793	<	* Wait out termination of a thread pool or fail doing so
793	>	* Allows use of try-with-resources with per-test thread pools.
794		*/
795	<	public void joinPool(ExecutorService exec) {
795	>	class PoolCleaner implements AutoCloseable {
796	>	private final ExecutorService pool;
797	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
798	>	public void close() { joinPool(pool); }
799	>	}
800	>
801	>	/**
802	>	* An extension of PoolCleaner that has an action to release the pool.
803	>	*/
804	>	class PoolCleanerWithReleaser extends PoolCleaner {
805	>	private final Runnable releaser;
806	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
807	>	super(pool);
808	>	this.releaser = releaser;
809	>	}
810	>	public void close() {
811	>	try {
812	>	releaser.run();
813	>	} finally {
814	>	super.close();
815	>	}
816	>	}
817	>	}
818	>
819	>	PoolCleaner cleaner(ExecutorService pool) {
820	>	return new PoolCleaner(pool);
821	>	}
822	>
823	>	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
824	>	return new PoolCleanerWithReleaser(pool, releaser);
825	>	}
826	>
827	>	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
828	>	return new PoolCleanerWithReleaser(pool, releaser(latch));
829	>	}
830	>
831	>	Runnable releaser(final CountDownLatch latch) {
832	>	return new Runnable() { public void run() {
833	>	do { latch.countDown(); }
834	>	while (latch.getCount() > 0);
835	>	}};
836	>	}
837	>
838	>	/**
839	>	* Waits out termination of a thread pool or fails doing so.
840	>	*/
841	>	void joinPool(ExecutorService pool) {
842		try {
843	<	exec.shutdown();
844	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
843	>	pool.shutdown();
844	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
845	>	try {
846	>	threadFail("ExecutorService " + pool +
847	>	" did not terminate in a timely manner");
848	>	} finally {
849	>	// last resort, for the benefit of subsequent tests
850	>	pool.shutdownNow();
851	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
852	>	}
853	>	}
854		} catch (SecurityException ok) {
855		// Allowed in case test doesn't have privs
856	<	} catch (InterruptedException ie) {
857	<	fail("Unexpected InterruptedException");
856	>	} catch (InterruptedException fail) {
857	>	threadFail("Unexpected InterruptedException");
858		}
859		}
860
861	+	/** Like Runnable, but with the freedom to throw anything */
862	+	interface Action { public void run() throws Throwable; }
863
864		/**
865	<	* fail with message "should throw exception"
865	>	* Runs all the given actions in parallel, failing if any fail.
866	>	* Useful for running multiple variants of tests that are
867	>	* necessarily individually slow because they must block.
868		*/
869	<	public void shouldThrow() {
870	<	fail("Should throw exception");
869	>	void testInParallel(Action ... actions) {
870	>	ExecutorService pool = Executors.newCachedThreadPool();
871	>	try (PoolCleaner cleaner = cleaner(pool)) {
872	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
873	>	for (final Action action : actions)
874	>	futures.add(pool.submit(new CheckedRunnable() {
875	>	public void realRun() throws Throwable { action.run();}}));
876	>	for (Future<?> future : futures)
877	>	try {
878	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
879	>	} catch (ExecutionException ex) {
880	>	threadUnexpectedException(ex.getCause());
881	>	} catch (Exception ex) {
882	>	threadUnexpectedException(ex);
883	>	}
884	>	}
885		}
886
887		/**
888	<	* fail with message "should throw " + exceptionName
888	>	* A debugging tool to print stack traces of most threads, as jstack does.
889	>	* Uninteresting threads are filtered out.
890		*/
891	<	public void shouldThrow(String exceptionName) {
892	<	fail("Should throw " + exceptionName);
891	>	static void dumpTestThreads() {
892	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
893	>	System.err.println("------ stacktrace dump start ------");
894	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
895	>	String name = info.getThreadName();
896	>	if ("Signal Dispatcher".equals(name))
897	>	continue;
898	>	if ("Reference Handler".equals(name)
899	>	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
900	>	continue;
901	>	if ("Finalizer".equals(name)
902	>	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
903	>	continue;
904	>	if ("checkForWedgedTest".equals(name))
905	>	continue;
906	>	System.err.print(info);
907	>	}
908	>	System.err.println("------ stacktrace dump end ------");
909	>	}
910	>
911	>	/**
912	>	* Checks that thread does not terminate within the default
913	>	* millisecond delay of {@code timeoutMillis()}.
914	>	*/
915	>	void assertThreadStaysAlive(Thread thread) {
916	>	assertThreadStaysAlive(thread, timeoutMillis());
917	>	}
918	>
919	>	/**
920	>	* Checks that thread does not terminate within the given millisecond delay.
921	>	*/
922	>	void assertThreadStaysAlive(Thread thread, long millis) {
923	>	try {
924	>	// No need to optimize the failing case via Thread.join.
925	>	delay(millis);
926	>	assertTrue(thread.isAlive());
927	>	} catch (InterruptedException fail) {
928	>	threadFail("Unexpected InterruptedException");
929	>	}
930	>	}
931	>
932	>	/**
933	>	* Checks that the threads do not terminate within the default
934	>	* millisecond delay of {@code timeoutMillis()}.
935	>	*/
936	>	void assertThreadsStayAlive(Thread... threads) {
937	>	assertThreadsStayAlive(timeoutMillis(), threads);
938	>	}
939	>
940	>	/**
941	>	* Checks that the threads do not terminate within the given millisecond delay.
942	>	*/
943	>	void assertThreadsStayAlive(long millis, Thread... threads) {
944	>	try {
945	>	// No need to optimize the failing case via Thread.join.
946	>	delay(millis);
947	>	for (Thread thread : threads)
948	>	assertTrue(thread.isAlive());
949	>	} catch (InterruptedException fail) {
950	>	threadFail("Unexpected InterruptedException");
951	>	}
952	>	}
953	>
954	>	/**
955	>	* Checks that future.get times out, with the default timeout of
956	>	* {@code timeoutMillis()}.
957	>	*/
958	>	void assertFutureTimesOut(Future future) {
959	>	assertFutureTimesOut(future, timeoutMillis());
960		}
961
962		/**
963	<	* fail with message "Unexpected exception"
963	>	* Checks that future.get times out, with the given millisecond timeout.
964		*/
965	<	public void unexpectedException() {
966	<	fail("Unexpected exception");
965	>	void assertFutureTimesOut(Future future, long timeoutMillis) {
966	>	long startTime = System.nanoTime();
967	>	try {
968	>	future.get(timeoutMillis, MILLISECONDS);
969	>	shouldThrow();
970	>	} catch (TimeoutException success) {
971	>	} catch (Exception fail) {
972	>	threadUnexpectedException(fail);
973	>	} finally { future.cancel(true); }
974	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
975		}
976
977		/**
978	<	* fail with message "Unexpected exception", with argument
978	>	* Fails with message "should throw exception".
979		*/
980	<	public void unexpectedException(Throwable ex) {
981	<	ex.printStackTrace();
370	<	fail("Unexpected exception: " + ex);
980	>	public void shouldThrow() {
981	>	fail("Should throw exception");
982		}
983
984	+	/**
985	+	* Fails with message "should throw " + exceptionName.
986	+	*/
987	+	public void shouldThrow(String exceptionName) {
988	+	fail("Should throw " + exceptionName);
989	+	}
990
991		/**
992		* The number of elements to place in collections, arrays, etc.
#	Line 396 | Line 1013 | public class JSR166TestCase extends Test
1013		public static final Integer m6  = new Integer(-6);
1014		public static final Integer m10 = new Integer(-10);
1015
399	–
1016		/**
1017		* Runs Runnable r with a security policy that permits precisely
1018		* the specified permissions.  If there is no current security
#	Line 408 | Line 1024 | public class JSR166TestCase extends Test
1024		SecurityManager sm = System.getSecurityManager();
1025		if (sm == null) {
1026		r.run();
1027	+	}
1028	+	runWithSecurityManagerWithPermissions(r, permissions);
1029	+	}
1030	+
1031	+	/**
1032	+	* Runs Runnable r with a security policy that permits precisely
1033	+	* the specified permissions.  If there is no current security
1034	+	* manager, a temporary one is set for the duration of the
1035	+	* Runnable.  We require that any security manager permit
1036	+	* getPolicy/setPolicy.
1037	+	*/
1038	+	public void runWithSecurityManagerWithPermissions(Runnable r,
1039	+	Permission... permissions) {
1040	+	SecurityManager sm = System.getSecurityManager();
1041	+	if (sm == null) {
1042		Policy savedPolicy = Policy.getPolicy();
1043		try {
1044		Policy.setPolicy(permissivePolicy());
1045		System.setSecurityManager(new SecurityManager());
1046	<	runWithPermissions(r, permissions);
1046	>	runWithSecurityManagerWithPermissions(r, permissions);
1047		} finally {
1048		System.setSecurityManager(null);
1049		Policy.setPolicy(savedPolicy);
#	Line 460 | Line 1091 | public class JSR166TestCase extends Test
1091		return perms.implies(p);
1092		}
1093		public void refresh() {}
1094	+	public String toString() {
1095	+	List<Permission> ps = new ArrayList<Permission>();
1096	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1097	+	ps.add(e.nextElement());
1098	+	return "AdjustablePolicy with permissions " + ps;
1099	+	}
1100		}
1101
1102		/**
#	Line 482 | Line 1119 | public class JSR166TestCase extends Test
1119		}
1120
1121		/**
1122	<	* Sleep until the timeout has elapsed, or interrupted.
1123	<	* Does <em>NOT</em> throw InterruptedException.
1122	>	* Sleeps until the given time has elapsed.
1123	>	* Throws AssertionFailedError if interrupted.
1124	>	*/
1125	>	void sleep(long millis) {
1126	>	try {
1127	>	delay(millis);
1128	>	} catch (InterruptedException fail) {
1129	>	AssertionFailedError afe =
1130	>	new AssertionFailedError("Unexpected InterruptedException");
1131	>	afe.initCause(fail);
1132	>	throw afe;
1133	>	}
1134	>	}
1135	>
1136	>	/**
1137	>	* Spin-waits up to the specified number of milliseconds for the given
1138	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1139	>	*/
1140	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1141	>	long startTime = System.nanoTime();
1142	>	for (;;) {
1143	>	Thread.State s = thread.getState();
1144	>	if (s == Thread.State.BLOCKED ||
1145	>	s == Thread.State.WAITING ||
1146	>	s == Thread.State.TIMED_WAITING)
1147	>	return;
1148	>	else if (s == Thread.State.TERMINATED)
1149	>	fail("Unexpected thread termination");
1150	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1151	>	threadAssertTrue(thread.isAlive());
1152	>	return;
1153	>	}
1154	>	Thread.yield();
1155	>	}
1156	>	}
1157	>
1158	>	/**
1159	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1160	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
1161	>	*/
1162	>	void waitForThreadToEnterWaitState(Thread thread) {
1163	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1164	>	}
1165	>
1166	>	/**
1167	>	* Returns the number of milliseconds since time given by
1168	>	* startNanoTime, which must have been previously returned from a
1169	>	* call to {@link System#nanoTime()}.
1170	>	*/
1171	>	static long millisElapsedSince(long startNanoTime) {
1172	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1173	>	}
1174	>
1175	>	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1176	>	//         long startTime = System.nanoTime();
1177	>	//         try {
1178	>	//             r.run();
1179	>	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1180	>	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1181	>	//             throw new AssertionFailedError("did not return promptly");
1182	>	//     }
1183	>
1184	>	//     void assertTerminatesPromptly(Runnable r) {
1185	>	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1186	>	//     }
1187	>
1188	>	/**
1189	>	* Checks that timed f.get() returns the expected value, and does not
1190	>	* wait for the timeout to elapse before returning.
1191		*/
1192	<	void sleepTillInterrupted(long timeoutMillis) {
1192	>	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1193	>	long startTime = System.nanoTime();
1194		try {
1195	<	Thread.sleep(timeoutMillis);
1196	<	} catch (InterruptedException wakeup) {}
1195	>	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1196	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1197	>	if (millisElapsedSince(startTime) > timeoutMillis/2)
1198	>	throw new AssertionFailedError("timed get did not return promptly");
1199	>	}
1200	>
1201	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1202	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1203		}
1204
1205		/**
1206	<	* Returns a new started Thread running the given runnable.
1206	>	* Returns a new started daemon Thread running the given runnable.
1207		*/
1208		Thread newStartedThread(Runnable runnable) {
1209		Thread t = new Thread(runnable);
1210	+	t.setDaemon(true);
1211		t.start();
1212		return t;
1213		}
1214
1215	+	/**
1216	+	* Waits for the specified time (in milliseconds) for the thread
1217	+	* to terminate (using {@link Thread#join(long)}), else interrupts
1218	+	* the thread (in the hope that it may terminate later) and fails.
1219	+	*/
1220	+	void awaitTermination(Thread t, long timeoutMillis) {
1221	+	try {
1222	+	t.join(timeoutMillis);
1223	+	} catch (InterruptedException fail) {
1224	+	threadUnexpectedException(fail);
1225	+	} finally {
1226	+	if (t.getState() != Thread.State.TERMINATED) {
1227	+	t.interrupt();
1228	+	threadFail("Test timed out");
1229	+	}
1230	+	}
1231	+	}
1232	+
1233	+	/**
1234	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1235	+	* terminate (using {@link Thread#join(long)}), else interrupts
1236	+	* the thread (in the hope that it may terminate later) and fails.
1237	+	*/
1238	+	void awaitTermination(Thread t) {
1239	+	awaitTermination(t, LONG_DELAY_MS);
1240	+	}
1241	+
1242		// Some convenient Runnable classes
1243
1244		public abstract class CheckedRunnable implements Runnable {
#	Line 508 | Line 1247 | public class JSR166TestCase extends Test
1247		public final void run() {
1248		try {
1249		realRun();
1250	<	} catch (Throwable t) {
1251	<	threadUnexpectedException(t);
1250	>	} catch (Throwable fail) {
1251	>	threadUnexpectedException(fail);
1252		}
1253		}
1254		}
#	Line 562 | Line 1301 | public class JSR166TestCase extends Test
1301		realRun();
1302		threadShouldThrow("InterruptedException");
1303		} catch (InterruptedException success) {
1304	<	} catch (Throwable t) {
1305	<	threadUnexpectedException(t);
1304	>	threadAssertFalse(Thread.interrupted());
1305	>	} catch (Throwable fail) {
1306	>	threadUnexpectedException(fail);
1307		}
1308		}
1309		}
#	Line 574 | Line 1314 | public class JSR166TestCase extends Test
1314		public final T call() {
1315		try {
1316		return realCall();
1317	<	} catch (Throwable t) {
1318	<	threadUnexpectedException(t);
1317	>	} catch (Throwable fail) {
1318	>	threadUnexpectedException(fail);
1319	>	return null;
1320		}
580	–	return null;
1321		}
1322		}
1323
1324	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
1324	>	public abstract class CheckedInterruptedCallable<T>
1325	>	implements Callable<T> {
1326		protected abstract T realCall() throws Throwable;
1327
1328		public final T call() {
#	Line 590 | Line 1331 | public class JSR166TestCase extends Test
1331		threadShouldThrow("InterruptedException");
1332		return result;
1333		} catch (InterruptedException success) {
1334	<	} catch (Throwable t) {
1335	<	threadUnexpectedException(t);
1334	>	threadAssertFalse(Thread.interrupted());
1335	>	} catch (Throwable fail) {
1336	>	threadUnexpectedException(fail);
1337		}
1338		return null;
1339		}
#	Line 608 | Line 1350 | public class JSR166TestCase extends Test
1350		public static final String TEST_STRING = "a test string";
1351
1352		public static class StringTask implements Callable<String> {
1353	<	public String call() { return TEST_STRING; }
1353	>	final String value;
1354	>	public StringTask() { this(TEST_STRING); }
1355	>	public StringTask(String value) { this.value = value; }
1356	>	public String call() { return value; }
1357		}
1358
1359		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1360		return new CheckedCallable<String>() {
1361	<	public String realCall() {
1361	>	protected String realCall() {
1362		try {
1363		latch.await();
1364		} catch (InterruptedException quittingTime) {}
#	Line 621 | Line 1366 | public class JSR166TestCase extends Test
1366		}};
1367		}
1368
1369	+	public Runnable countDowner(final CountDownLatch latch) {
1370	+	return new CheckedRunnable() {
1371	+	public void realRun() throws InterruptedException {
1372	+	latch.countDown();
1373	+	}};
1374	+	}
1375	+
1376	+	class LatchAwaiter extends CheckedRunnable {
1377	+	static final int NEW = 0;
1378	+	static final int RUNNING = 1;
1379	+	static final int DONE = 2;
1380	+	final CountDownLatch latch;
1381	+	int state = NEW;
1382	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1383	+	public void realRun() throws InterruptedException {
1384	+	state = 1;
1385	+	await(latch);
1386	+	state = 2;
1387	+	}
1388	+	}
1389	+
1390	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1391	+	return new LatchAwaiter(latch);
1392	+	}
1393	+
1394	+	public void await(CountDownLatch latch) {
1395	+	try {
1396	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1397	+	} catch (Throwable fail) {
1398	+	threadUnexpectedException(fail);
1399	+	}
1400	+	}
1401	+
1402	+	public void await(Semaphore semaphore) {
1403	+	try {
1404	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1405	+	} catch (Throwable fail) {
1406	+	threadUnexpectedException(fail);
1407	+	}
1408	+	}
1409	+
1410	+	//     /**
1411	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1412	+	//      */
1413	+	//     public void await(AtomicBoolean flag) {
1414	+	//         await(flag, LONG_DELAY_MS);
1415	+	//     }
1416	+
1417	+	//     /**
1418	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1419	+	//      */
1420	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1421	+	//         long startTime = System.nanoTime();
1422	+	//         while (!flag.get()) {
1423	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1424	+	//                 throw new AssertionFailedError("timed out");
1425	+	//             Thread.yield();
1426	+	//         }
1427	+	//     }
1428	+
1429		public static class NPETask implements Callable<String> {
1430		public String call() { throw new NullPointerException(); }
1431		}
#	Line 631 | Line 1436 | public class JSR166TestCase extends Test
1436
1437		public class ShortRunnable extends CheckedRunnable {
1438		protected void realRun() throws Throwable {
1439	<	Thread.sleep(SHORT_DELAY_MS);
1439	>	delay(SHORT_DELAY_MS);
1440		}
1441		}
1442
1443		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1444		protected void realRun() throws InterruptedException {
1445	<	Thread.sleep(SHORT_DELAY_MS);
1445	>	delay(SHORT_DELAY_MS);
1446		}
1447		}
1448
1449		public class SmallRunnable extends CheckedRunnable {
1450		protected void realRun() throws Throwable {
1451	<	Thread.sleep(SMALL_DELAY_MS);
1451	>	delay(SMALL_DELAY_MS);
1452		}
1453		}
1454
1455		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1456		protected void realRun() {
1457		try {
1458	<	Thread.sleep(SMALL_DELAY_MS);
1458	>	delay(SMALL_DELAY_MS);
1459		} catch (InterruptedException ok) {}
1460		}
1461		}
1462
1463		public class SmallCallable extends CheckedCallable {
1464		protected Object realCall() throws InterruptedException {
1465	<	Thread.sleep(SMALL_DELAY_MS);
1465	>	delay(SMALL_DELAY_MS);
1466		return Boolean.TRUE;
1467		}
1468		}
1469
665	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
666	–	protected void realRun() throws InterruptedException {
667	–	Thread.sleep(SMALL_DELAY_MS);
668	–	}
669	–	}
670	–
1470		public class MediumRunnable extends CheckedRunnable {
1471		protected void realRun() throws Throwable {
1472	<	Thread.sleep(MEDIUM_DELAY_MS);
1472	>	delay(MEDIUM_DELAY_MS);
1473		}
1474		}
1475
1476		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1477		protected void realRun() throws InterruptedException {
1478	<	Thread.sleep(MEDIUM_DELAY_MS);
1478	>	delay(MEDIUM_DELAY_MS);
1479		}
1480		}
1481
1482	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1483	+	return new CheckedRunnable() {
1484	+	protected void realRun() {
1485	+	try {
1486	+	delay(timeoutMillis);
1487	+	} catch (InterruptedException ok) {}
1488	+	}};
1489	+	}
1490	+
1491		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1492		protected void realRun() {
1493		try {
1494	<	Thread.sleep(MEDIUM_DELAY_MS);
1494	>	delay(MEDIUM_DELAY_MS);
1495		} catch (InterruptedException ok) {}
1496		}
1497		}
#	Line 691 | Line 1499 | public class JSR166TestCase extends Test
1499		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1500		protected void realRun() {
1501		try {
1502	<	Thread.sleep(LONG_DELAY_MS);
1502	>	delay(LONG_DELAY_MS);
1503		} catch (InterruptedException ok) {}
1504		}
1505		}
#	Line 705 | Line 1513 | public class JSR166TestCase extends Test
1513		}
1514		}
1515
1516	+	public interface TrackedRunnable extends Runnable {
1517	+	boolean isDone();
1518	+	}
1519	+
1520	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1521	+	return new TrackedRunnable() {
1522	+	private volatile boolean done = false;
1523	+	public boolean isDone() { return done; }
1524	+	public void run() {
1525	+	try {
1526	+	delay(timeoutMillis);
1527	+	done = true;
1528	+	} catch (InterruptedException ok) {}
1529	+	}
1530	+	};
1531	+	}
1532	+
1533		public static class TrackedShortRunnable implements Runnable {
1534		public volatile boolean done = false;
1535		public void run() {
1536		try {
1537	<	Thread.sleep(SMALL_DELAY_MS);
1537	>	delay(SHORT_DELAY_MS);
1538	>	done = true;
1539	>	} catch (InterruptedException ok) {}
1540	>	}
1541	>	}
1542	>
1543	>	public static class TrackedSmallRunnable implements Runnable {
1544	>	public volatile boolean done = false;
1545	>	public void run() {
1546	>	try {
1547	>	delay(SMALL_DELAY_MS);
1548		done = true;
1549		} catch (InterruptedException ok) {}
1550		}
#	Line 719 | Line 1554 | public class JSR166TestCase extends Test
1554		public volatile boolean done = false;
1555		public void run() {
1556		try {
1557	<	Thread.sleep(MEDIUM_DELAY_MS);
1557	>	delay(MEDIUM_DELAY_MS);
1558		done = true;
1559		} catch (InterruptedException ok) {}
1560		}
#	Line 729 | Line 1564 | public class JSR166TestCase extends Test
1564		public volatile boolean done = false;
1565		public void run() {
1566		try {
1567	<	Thread.sleep(LONG_DELAY_MS);
1567	>	delay(LONG_DELAY_MS);
1568		done = true;
1569		} catch (InterruptedException ok) {}
1570		}
#	Line 746 | Line 1581 | public class JSR166TestCase extends Test
1581		public volatile boolean done = false;
1582		public Object call() {
1583		try {
1584	<	Thread.sleep(SMALL_DELAY_MS);
1584	>	delay(SMALL_DELAY_MS);
1585		done = true;
1586		} catch (InterruptedException ok) {}
1587		return Boolean.TRUE;
1588		}
1589		}
1590
1591	+	/**
1592	+	* Analog of CheckedRunnable for RecursiveAction
1593	+	*/
1594	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1595	+	protected abstract void realCompute() throws Throwable;
1596	+
1597	+	@Override protected final void compute() {
1598	+	try {
1599	+	realCompute();
1600	+	} catch (Throwable fail) {
1601	+	threadUnexpectedException(fail);
1602	+	}
1603	+	}
1604	+	}
1605	+
1606	+	/**
1607	+	* Analog of CheckedCallable for RecursiveTask
1608	+	*/
1609	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1610	+	protected abstract T realCompute() throws Throwable;
1611	+
1612	+	@Override protected final T compute() {
1613	+	try {
1614	+	return realCompute();
1615	+	} catch (Throwable fail) {
1616	+	threadUnexpectedException(fail);
1617	+	return null;
1618	+	}
1619	+	}
1620	+	}
1621
1622		/**
1623		* For use as RejectedExecutionHandler in constructors
#	Line 762 | Line 1627 | public class JSR166TestCase extends Test
1627		ThreadPoolExecutor executor) {}
1628		}
1629
1630	+	/**
1631	+	* A CyclicBarrier that uses timed await and fails with
1632	+	* AssertionFailedErrors instead of throwing checked exceptions.
1633	+	*/
1634	+	public class CheckedBarrier extends CyclicBarrier {
1635	+	public CheckedBarrier(int parties) { super(parties); }
1636	+
1637	+	public int await() {
1638	+	try {
1639	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1640	+	} catch (TimeoutException timedOut) {
1641	+	throw new AssertionFailedError("timed out");
1642	+	} catch (Exception fail) {
1643	+	AssertionFailedError afe =
1644	+	new AssertionFailedError("Unexpected exception: " + fail);
1645	+	afe.initCause(fail);
1646	+	throw afe;
1647	+	}
1648	+	}
1649	+	}
1650	+
1651	+	void checkEmpty(BlockingQueue q) {
1652	+	try {
1653	+	assertTrue(q.isEmpty());
1654	+	assertEquals(0, q.size());
1655	+	assertNull(q.peek());
1656	+	assertNull(q.poll());
1657	+	assertNull(q.poll(0, MILLISECONDS));
1658	+	assertEquals(q.toString(), "[]");
1659	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1660	+	assertFalse(q.iterator().hasNext());
1661	+	try {
1662	+	q.element();
1663	+	shouldThrow();
1664	+	} catch (NoSuchElementException success) {}
1665	+	try {
1666	+	q.iterator().next();
1667	+	shouldThrow();
1668	+	} catch (NoSuchElementException success) {}
1669	+	try {
1670	+	q.remove();
1671	+	shouldThrow();
1672	+	} catch (NoSuchElementException success) {}
1673	+	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1674	+	}
1675	+
1676	+	void assertSerialEquals(Object x, Object y) {
1677	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1678	+	}
1679	+
1680	+	void assertNotSerialEquals(Object x, Object y) {
1681	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1682	+	}
1683	+
1684	+	byte[] serialBytes(Object o) {
1685	+	try {
1686	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1687	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1688	+	oos.writeObject(o);
1689	+	oos.flush();
1690	+	oos.close();
1691	+	return bos.toByteArray();
1692	+	} catch (Throwable fail) {
1693	+	threadUnexpectedException(fail);
1694	+	return new byte[0];
1695	+	}
1696	+	}
1697	+
1698	+	@SuppressWarnings("unchecked")
1699	+	<T> T serialClone(T o) {
1700	+	try {
1701	+	ObjectInputStream ois = new ObjectInputStream
1702	+	(new ByteArrayInputStream(serialBytes(o)));
1703	+	T clone = (T) ois.readObject();
1704	+	assertSame(o.getClass(), clone.getClass());
1705	+	return clone;
1706	+	} catch (Throwable fail) {
1707	+	threadUnexpectedException(fail);
1708	+	return null;
1709	+	}
1710	+	}
1711	+
1712	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1713	+	Runnable... throwingActions) {
1714	+	for (Runnable throwingAction : throwingActions) {
1715	+	boolean threw = false;
1716	+	try { throwingAction.run(); }
1717	+	catch (Throwable t) {
1718	+	threw = true;
1719	+	if (!expectedExceptionClass.isInstance(t)) {
1720	+	AssertionFailedError afe =
1721	+	new AssertionFailedError
1722	+	("Expected " + expectedExceptionClass.getName() +
1723	+	", got " + t.getClass().getName());
1724	+	afe.initCause(t);
1725	+	threadUnexpectedException(afe);
1726	+	}
1727	+	}
1728	+	if (!threw)
1729	+	shouldThrow(expectedExceptionClass.getName());
1730	+	}
1731	+	}
1732	+
1733	+	public void assertIteratorExhausted(Iterator<?> it) {
1734	+	try {
1735	+	it.next();
1736	+	shouldThrow();
1737	+	} catch (NoSuchElementException success) {}
1738	+	assertFalse(it.hasNext());
1739	+	}
1740		}

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