ViewVC Help

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

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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.45 by jsr166, Thu Nov 26 15:42:15 2009 UTC vs.
Revision 1.133 by jsr166, Sun May 24 01:53:55 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.NANOSECONDS;
11	>
12	>	import java.io.ByteArrayInputStream;
13	>	import java.io.ByteArrayOutputStream;
14	>	import java.io.ObjectInputStream;
15	>	import java.io.ObjectOutputStream;
16	>	import java.lang.management.ManagementFactory;
17	>	import java.lang.management.ThreadInfo;
18	>	import java.lang.reflect.Method;
19	>	import java.security.CodeSource;
20	>	import java.security.Permission;
21	>	import java.security.PermissionCollection;
22	>	import java.security.Permissions;
23	>	import java.security.Policy;
24	>	import java.security.ProtectionDomain;
25	>	import java.security.SecurityPermission;
26	>	import java.util.ArrayList;
27	>	import java.util.Arrays;
28	>	import java.util.Date;
29	>	import java.util.Enumeration;
30	>	import java.util.Iterator;
31	>	import java.util.List;
32	>	import java.util.NoSuchElementException;
33	>	import java.util.PropertyPermission;
34	>	import java.util.concurrent.BlockingQueue;
35	>	import java.util.concurrent.Callable;
36	>	import java.util.concurrent.CountDownLatch;
37	>	import java.util.concurrent.CyclicBarrier;
38	>	import java.util.concurrent.ExecutorService;
39	>	import java.util.concurrent.Future;
40	>	import java.util.concurrent.RecursiveAction;
41	>	import java.util.concurrent.RecursiveTask;
42	>	import java.util.concurrent.RejectedExecutionHandler;
43	>	import java.util.concurrent.Semaphore;
44	>	import java.util.concurrent.ThreadFactory;
45	>	import java.util.concurrent.ThreadPoolExecutor;
46	>	import java.util.concurrent.TimeoutException;
47	>	import java.util.concurrent.atomic.AtomicReference;
48	>	import java.util.regex.Pattern;
49	>
50	>	import junit.framework.AssertionFailedError;
51	>	import junit.framework.Test;
52	>	import junit.framework.TestCase;
53	>	import junit.framework.TestResult;
54	>	import junit.framework.TestSuite;
55
56		/**
57		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 26 | Line 66 | import java.security.*;
66		* <li> All assertions in code running in generated threads must use
67		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
68		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
69	<	* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
69	>	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
70		* particularly recommended) for other code to use these forms too.
71		* Only the most typically used JUnit assertion methods are defined
72		* this way, but enough to live with.</li>
73		*
74		* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
75	<	* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
75	>	* to invoke {@code super.setUp} and {@code super.tearDown} within
76		* them. These methods are used to clear and check for thread
77		* assertion failures.</li>
78		*
79	<	* <li>All delays and timeouts must use one of the constants <tt>
80	<	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
81	<	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
79	>	* <li>All delays and timeouts must use one of the constants {@code
80	>	* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
81	>	* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
82		* discriminable from zero time, and always allows enough time for the
83		* small amounts of computation (creating a thread, calling a few
84		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
#	Line 48 | Line 88 | import java.security.*;
88		* in one spot to rerun tests on slower platforms.</li>
89		*
90		* <li> All threads generated must be joined inside each test case
91	<	* method (or <tt>fail</tt> to do so) before returning from the
92	<	* method. The <tt> joinPool</tt> method can be used to do this when
91	>	* method (or {@code fail} to do so) before returning from the
92	>	* method. The {@code joinPool} method can be used to do this when
93		* using Executors.</li>
94		*
95		* </ol>
96		*
97	<	* <p> <b>Other notes</b>
97	>	* <p><b>Other notes</b>
98		* <ul>
99		*
100		* <li> Usually, there is one testcase method per JSR166 method
#	Line 81 | Line 121 | import java.security.*;
121		* any particular package to simplify things for people integrating
122		* them in TCK test suites.</li>
123		*
124	<	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
124	>	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
125		* runs all JSR166 unit tests.</li>
126		*
127		* </ul>
128		*/
129		public class JSR166TestCase extends TestCase {
130	+	private static final boolean useSecurityManager =
131	+	Boolean.getBoolean("jsr166.useSecurityManager");
132	+
133	+	protected static final boolean expensiveTests =
134	+	Boolean.getBoolean("jsr166.expensiveTests");
135	+
136	+	/**
137	+	* If true, also run tests that are not part of the official tck
138	+	* because they test unspecified implementation details.
139	+	*/
140	+	protected static final boolean testImplementationDetails =
141	+	Boolean.getBoolean("jsr166.testImplementationDetails");
142	+
143	+	/**
144	+	* If true, report on stdout all "slow" tests, that is, ones that
145	+	* take more than profileThreshold milliseconds to execute.
146	+	*/
147	+	private static final boolean profileTests =
148	+	Boolean.getBoolean("jsr166.profileTests");
149	+
150		/**
151	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
151	>	* The number of milliseconds that tests are permitted for
152	>	* execution without being reported, when profileTests is set.
153	>	*/
154	>	private static final long profileThreshold =
155	>	Long.getLong("jsr166.profileThreshold", 100);
156	>
157	>	/**
158	>	* The number of repetitions per test (for tickling rare bugs).
159	>	*/
160	>	private static final int runsPerTest =
161	>	Integer.getInteger("jsr166.runsPerTest", 1);
162	>
163	>	/**
164	>	* The number of repetitions of the test suite (for finding leaks?).
165	>	*/
166	>	private static final int suiteRuns =
167	>	Integer.getInteger("jsr166.suiteRuns", 1);
168	>
169	>	/**
170	>	* A filter for tests to run, matching strings of the form
171	>	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
172	>	* Usefully combined with jsr166.runsPerTest.
173	>	*/
174	>	private static final Pattern methodFilter = methodFilter();
175	>
176	>	private static Pattern methodFilter() {
177	>	String regex = System.getProperty("jsr166.methodFilter");
178	>	return (regex == null) ? null : Pattern.compile(regex);
179	>	}
180	>
181	>	protected void runTest() throws Throwable {
182	>	if (methodFilter == null
183	>	|| methodFilter.matcher(toString()).find()) {
184	>	for (int i = 0; i < runsPerTest; i++) {
185	>	if (profileTests)
186	>	runTestProfiled();
187	>	else
188	>	super.runTest();
189	>	}
190	>	}
191	>	}
192	>
193	>	protected void runTestProfiled() throws Throwable {
194	>	// Warmup run, notably to trigger all needed classloading.
195	>	super.runTest();
196	>	long t0 = System.nanoTime();
197	>	try {
198	>	super.runTest();
199	>	} finally {
200	>	long elapsedMillis = millisElapsedSince(t0);
201	>	if (elapsedMillis >= profileThreshold)
202	>	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
203	>	}
204	>	}
205	>
206	>	/**
207	>	* Runs all JSR166 unit tests using junit.textui.TestRunner.
208		*/
209		public static void main(String[] args) {
210	<	int iters = 1;
211	<	if (args.length > 0)
212	<	iters = Integer.parseInt(args[0]);
213	<	Test s = suite();
214	<	for (int i = 0; i < iters; ++i) {
215	<	junit.textui.TestRunner.run(s);
210	>	main(suite(), args);
211	>	}
212	>
213	>	/**
214	>	* Runs all unit tests in the given test suite.
215	>	* Actual behavior influenced by jsr166.* system properties.
216	>	*/
217	>	static void main(Test suite, String[] args) {
218	>	if (useSecurityManager) {
219	>	System.err.println("Setting a permissive security manager");
220	>	Policy.setPolicy(permissivePolicy());
221	>	System.setSecurityManager(new SecurityManager());
222	>	}
223	>	for (int i = 0; i < suiteRuns; i++) {
224	>	TestResult result = junit.textui.TestRunner.run(suite);
225	>	if (!result.wasSuccessful())
226	>	System.exit(1);
227		System.gc();
228		System.runFinalization();
229		}
103	–	System.exit(0);
230		}
231
232	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
233	+	TestSuite suite = new TestSuite();
234	+	for (Object suiteOrClass : suiteOrClasses) {
235	+	if (suiteOrClass instanceof TestSuite)
236	+	suite.addTest((TestSuite) suiteOrClass);
237	+	else if (suiteOrClass instanceof Class)
238	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
239	+	else
240	+	throw new ClassCastException("not a test suite or class");
241	+	}
242	+	return suite;
243	+	}
244	+
245	+	public static void addNamedTestClasses(TestSuite suite,
246	+	String... testClassNames) {
247	+	for (String testClassName : testClassNames) {
248	+	try {
249	+	Class<?> testClass = Class.forName(testClassName);
250	+	Method m = testClass.getDeclaredMethod("suite",
251	+	new Class<?>[0]);
252	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
253	+	} catch (Exception e) {
254	+	throw new Error("Missing test class", e);
255	+	}
256	+	}
257	+	}
258	+
259	+	public static final double JAVA_CLASS_VERSION;
260	+	public static final String JAVA_SPECIFICATION_VERSION;
261	+	static {
262	+	try {
263	+	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
264	+	new java.security.PrivilegedAction<Double>() {
265	+	public Double run() {
266	+	return Double.valueOf(System.getProperty("java.class.version"));}});
267	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
268	+	new java.security.PrivilegedAction<String>() {
269	+	public String run() {
270	+	return System.getProperty("java.specification.version");}});
271	+	} catch (Throwable t) {
272	+	throw new Error(t);
273	+	}
274	+	}
275	+
276	+	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
277	+	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
278	+	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
279	+	public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; }
280	+
281		/**
282	<	* Collects all JSR166 unit tests as one suite
282	>	* Collects all JSR166 unit tests as one suite.
283		*/
284		public static Test suite() {
285	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
286	<
287	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
288	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
289	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
290	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
291	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
292	<	suite.addTest(new TestSuite(PhaserTest.class));
293	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
294	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
295	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
296	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
297	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
298	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
299	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
300	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
301	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
302	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
303	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
304	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
305	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
306	<	suite.addTest(new TestSuite(AtomicLongTest.class));
307	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
308	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
309	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
310	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
311	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
312	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
313	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
314	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
315	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
316	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
317	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
318	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
319	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
320	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
321	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
322	<	suite.addTest(new TestSuite(DelayQueueTest.class));
323	<	suite.addTest(new TestSuite(EntryTest.class));
324	<	suite.addTest(new TestSuite(ExchangerTest.class));
325	<	suite.addTest(new TestSuite(ExecutorsTest.class));
326	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
327	<	suite.addTest(new TestSuite(FutureTaskTest.class));
328	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
329	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
330	<	suite.addTest(new TestSuite(LinkedListTest.class));
331	<	suite.addTest(new TestSuite(LockSupportTest.class));
332	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
333	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
334	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
335	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
336	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
337	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
338	<	suite.addTest(new TestSuite(SemaphoreTest.class));
339	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
340	<	suite.addTest(new TestSuite(SystemTest.class));
341	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
342	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
343	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
344	<	suite.addTest(new TestSuite(ThreadTest.class));
345	<	suite.addTest(new TestSuite(TimeUnitTest.class));
346	<	suite.addTest(new TestSuite(TreeMapTest.class));
347	<	suite.addTest(new TestSuite(TreeSetTest.class));
348	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
349	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
285	>	// Java7+ test classes
286	>	TestSuite suite = newTestSuite(
287	>	ForkJoinPoolTest.suite(),
288	>	ForkJoinTaskTest.suite(),
289	>	RecursiveActionTest.suite(),
290	>	RecursiveTaskTest.suite(),
291	>	LinkedTransferQueueTest.suite(),
292	>	PhaserTest.suite(),
293	>	ThreadLocalRandomTest.suite(),
294	>	AbstractExecutorServiceTest.suite(),
295	>	AbstractQueueTest.suite(),
296	>	AbstractQueuedSynchronizerTest.suite(),
297	>	AbstractQueuedLongSynchronizerTest.suite(),
298	>	ArrayBlockingQueueTest.suite(),
299	>	ArrayDequeTest.suite(),
300	>	AtomicBooleanTest.suite(),
301	>	AtomicIntegerArrayTest.suite(),
302	>	AtomicIntegerFieldUpdaterTest.suite(),
303	>	AtomicIntegerTest.suite(),
304	>	AtomicLongArrayTest.suite(),
305	>	AtomicLongFieldUpdaterTest.suite(),
306	>	AtomicLongTest.suite(),
307	>	AtomicMarkableReferenceTest.suite(),
308	>	AtomicReferenceArrayTest.suite(),
309	>	AtomicReferenceFieldUpdaterTest.suite(),
310	>	AtomicReferenceTest.suite(),
311	>	AtomicStampedReferenceTest.suite(),
312	>	ConcurrentHashMapTest.suite(),
313	>	ConcurrentLinkedDequeTest.suite(),
314	>	ConcurrentLinkedQueueTest.suite(),
315	>	ConcurrentSkipListMapTest.suite(),
316	>	ConcurrentSkipListSubMapTest.suite(),
317	>	ConcurrentSkipListSetTest.suite(),
318	>	ConcurrentSkipListSubSetTest.suite(),
319	>	CopyOnWriteArrayListTest.suite(),
320	>	CopyOnWriteArraySetTest.suite(),
321	>	CountDownLatchTest.suite(),
322	>	CyclicBarrierTest.suite(),
323	>	DelayQueueTest.suite(),
324	>	EntryTest.suite(),
325	>	ExchangerTest.suite(),
326	>	ExecutorsTest.suite(),
327	>	ExecutorCompletionServiceTest.suite(),
328	>	FutureTaskTest.suite(),
329	>	LinkedBlockingDequeTest.suite(),
330	>	LinkedBlockingQueueTest.suite(),
331	>	LinkedListTest.suite(),
332	>	LockSupportTest.suite(),
333	>	PriorityBlockingQueueTest.suite(),
334	>	PriorityQueueTest.suite(),
335	>	ReentrantLockTest.suite(),
336	>	ReentrantReadWriteLockTest.suite(),
337	>	ScheduledExecutorTest.suite(),
338	>	ScheduledExecutorSubclassTest.suite(),
339	>	SemaphoreTest.suite(),
340	>	SynchronousQueueTest.suite(),
341	>	SystemTest.suite(),
342	>	ThreadLocalTest.suite(),
343	>	ThreadPoolExecutorTest.suite(),
344	>	ThreadPoolExecutorSubclassTest.suite(),
345	>	ThreadTest.suite(),
346	>	TimeUnitTest.suite(),
347	>	TreeMapTest.suite(),
348	>	TreeSetTest.suite(),
349	>	TreeSubMapTest.suite(),
350	>	TreeSubSetTest.suite());
351	>
352	>	// Java8+ test classes
353	>	if (atLeastJava8()) {
354	>	String[] java8TestClassNames = {
355	>	"Atomic8Test",
356	>	"CompletableFutureTest",
357	>	"ConcurrentHashMap8Test",
358	>	"CountedCompleterTest",
359	>	"DoubleAccumulatorTest",
360	>	"DoubleAdderTest",
361	>	"ForkJoinPool8Test",
362	>	"ForkJoinTask8Test",
363	>	"LongAccumulatorTest",
364	>	"LongAdderTest",
365	>	"SplittableRandomTest",
366	>	"StampedLockTest",
367	>	"ThreadLocalRandom8Test",
368	>	};
369	>	addNamedTestClasses(suite, java8TestClassNames);
370	>	}
371	>
372	>	// Java9+ test classes
373	>	if (atLeastJava9()) {
374	>	String[] java9TestClassNames = {
375	>	"ThreadPoolExecutor9Test",
376	>	};
377	>	addNamedTestClasses(suite, java9TestClassNames);
378	>	}
379
380		return suite;
381		}
382
383	+	// Delays for timing-dependent tests, in milliseconds.
384
385		public static long SHORT_DELAY_MS;
386		public static long SMALL_DELAY_MS;
387		public static long MEDIUM_DELAY_MS;
388		public static long LONG_DELAY_MS;
389
185	–
390		/**
391		* Returns the shortest timed delay. This could
392		* be reimplemented to use for example a Property.
#	Line 191 | Line 395 | public class JSR166TestCase extends Test
395		return 50;
396		}
397
194	–
398		/**
399		* Sets delays as multiples of SHORT_DELAY.
400		*/
401		protected void setDelays() {
402		SHORT_DELAY_MS = getShortDelay();
403	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
403	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
404		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
405	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
405	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
406	>	}
407	>
408	>	/**
409	>	* Returns a timeout in milliseconds to be used in tests that
410	>	* verify that operations block or time out.
411	>	*/
412	>	long timeoutMillis() {
413	>	return SHORT_DELAY_MS / 4;
414	>	}
415	>
416	>	/**
417	>	* Returns a new Date instance representing a time delayMillis
418	>	* milliseconds in the future.
419	>	*/
420	>	Date delayedDate(long delayMillis) {
421	>	return new Date(System.currentTimeMillis() + delayMillis);
422		}
423
424		/**
425	<	* Flag set true if any threadAssert methods fail
425	>	* The first exception encountered if any threadAssertXXX method fails.
426		*/
427	<	volatile boolean threadFailed;
427	>	private final AtomicReference<Throwable> threadFailure
428	>	= new AtomicReference<Throwable>(null);
429
430		/**
431	<	* Initializes test to indicate that no thread assertions have failed
431	>	* Records an exception so that it can be rethrown later in the test
432	>	* harness thread, triggering a test case failure.  Only the first
433	>	* failure is recorded; subsequent calls to this method from within
434	>	* the same test have no effect.
435		*/
436	+	public void threadRecordFailure(Throwable t) {
437	+	threadFailure.compareAndSet(null, t);
438	+	}
439	+
440		public void setUp() {
441		setDelays();
215	–	threadFailed = false;
442		}
443
444		/**
445	<	* Triggers test case failure if any thread assertions have failed
445	>	* Extra checks that get done for all test cases.
446	>	*
447	>	* Triggers test case failure if any thread assertions have failed,
448	>	* by rethrowing, in the test harness thread, any exception recorded
449	>	* earlier by threadRecordFailure.
450	>	*
451	>	* Triggers test case failure if interrupt status is set in the main thread.
452	>	*/
453	>	public void tearDown() throws Exception {
454	>	Throwable t = threadFailure.getAndSet(null);
455	>	if (t != null) {
456	>	if (t instanceof Error)
457	>	throw (Error) t;
458	>	else if (t instanceof RuntimeException)
459	>	throw (RuntimeException) t;
460	>	else if (t instanceof Exception)
461	>	throw (Exception) t;
462	>	else {
463	>	AssertionFailedError afe =
464	>	new AssertionFailedError(t.toString());
465	>	afe.initCause(t);
466	>	throw afe;
467	>	}
468	>	}
469	>
470	>	if (Thread.interrupted())
471	>	throw new AssertionFailedError("interrupt status set in main thread");
472	>
473	>	checkForkJoinPoolThreadLeaks();
474	>	}
475	>
476	>	/**
477	>	* Finds missing try { ... } finally { joinPool(e); }
478		*/
479	<	public void tearDown() {
480	<	assertFalse(threadFailed);
479	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
480	>	Thread[] survivors = new Thread[5];
481	>	int count = Thread.enumerate(survivors);
482	>	for (int i = 0; i < count; i++) {
483	>	Thread thread = survivors[i];
484	>	String name = thread.getName();
485	>	if (name.startsWith("ForkJoinPool-")) {
486	>	// give thread some time to terminate
487	>	thread.join(LONG_DELAY_MS);
488	>	if (!thread.isAlive()) continue;
489	>	throw new AssertionFailedError
490	>	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
491	>	toString(), name));
492	>	}
493	>	}
494		}
495
496		/**
497	<	* Fail, also setting status to indicate current testcase should fail
497	>	* Just like fail(reason), but additionally recording (using
498	>	* threadRecordFailure) any AssertionFailedError thrown, so that
499	>	* the current testcase will fail.
500		*/
501		public void threadFail(String reason) {
502	<	threadFailed = true;
503	<	fail(reason);
502	>	try {
503	>	fail(reason);
504	>	} catch (AssertionFailedError t) {
505	>	threadRecordFailure(t);
506	>	fail(reason);
507	>	}
508		}
509
510		/**
511	<	* If expression not true, set status to indicate current testcase
512	<	* should fail
511	>	* Just like assertTrue(b), but additionally recording (using
512	>	* threadRecordFailure) any AssertionFailedError thrown, so that
513	>	* the current testcase will fail.
514		*/
515		public void threadAssertTrue(boolean b) {
516	<	if (!b) {
239	<	threadFailed = true;
516	>	try {
517		assertTrue(b);
518	+	} catch (AssertionFailedError t) {
519	+	threadRecordFailure(t);
520	+	throw t;
521		}
522		}
523
524		/**
525	<	* If expression not false, set status to indicate current testcase
526	<	* should fail
525	>	* Just like assertFalse(b), but additionally recording (using
526	>	* threadRecordFailure) any AssertionFailedError thrown, so that
527	>	* the current testcase will fail.
528		*/
529		public void threadAssertFalse(boolean b) {
530	<	if (b) {
250	<	threadFailed = true;
530	>	try {
531		assertFalse(b);
532	+	} catch (AssertionFailedError t) {
533	+	threadRecordFailure(t);
534	+	throw t;
535		}
536		}
537
538		/**
539	<	* If argument not null, set status to indicate current testcase
540	<	* should fail
539	>	* Just like assertNull(x), but additionally recording (using
540	>	* threadRecordFailure) any AssertionFailedError thrown, so that
541	>	* the current testcase will fail.
542		*/
543		public void threadAssertNull(Object x) {
544	<	if (x != null) {
261	<	threadFailed = true;
544	>	try {
545		assertNull(x);
546	+	} catch (AssertionFailedError t) {
547	+	threadRecordFailure(t);
548	+	throw t;
549		}
550		}
551
552		/**
553	<	* If arguments not equal, set status to indicate current testcase
554	<	* should fail
553	>	* Just like assertEquals(x, y), but additionally recording (using
554	>	* threadRecordFailure) any AssertionFailedError thrown, so that
555	>	* the current testcase will fail.
556		*/
557		public void threadAssertEquals(long x, long y) {
558	<	if (x != y) {
272	<	threadFailed = true;
558	>	try {
559		assertEquals(x, y);
560	+	} catch (AssertionFailedError t) {
561	+	threadRecordFailure(t);
562	+	throw t;
563		}
564		}
565
566		/**
567	<	* If arguments not equal, set status to indicate current testcase
568	<	* should fail
567	>	* Just like assertEquals(x, y), but additionally recording (using
568	>	* threadRecordFailure) any AssertionFailedError thrown, so that
569	>	* the current testcase will fail.
570		*/
571		public void threadAssertEquals(Object x, Object y) {
572	<	if (x != y && (x == null || !x.equals(y))) {
283	<	threadFailed = true;
572	>	try {
573		assertEquals(x, y);
574	+	} catch (AssertionFailedError fail) {
575	+	threadRecordFailure(fail);
576	+	throw fail;
577	+	} catch (Throwable fail) {
578	+	threadUnexpectedException(fail);
579		}
580		}
581
582		/**
583	<	* threadFail with message "should throw exception"
583	>	* Just like assertSame(x, y), but additionally recording (using
584	>	* threadRecordFailure) any AssertionFailedError thrown, so that
585	>	* the current testcase will fail.
586	>	*/
587	>	public void threadAssertSame(Object x, Object y) {
588	>	try {
589	>	assertSame(x, y);
590	>	} catch (AssertionFailedError fail) {
591	>	threadRecordFailure(fail);
592	>	throw fail;
593	>	}
594	>	}
595	>
596	>	/**
597	>	* Calls threadFail with message "should throw exception".
598		*/
599		public void threadShouldThrow() {
600	<	threadFailed = true;
293	<	fail("should throw exception");
600	>	threadFail("should throw exception");
601		}
602
603		/**
604	<	* threadFail with message "should throw" + exceptionName
604	>	* Calls threadFail with message "should throw" + exceptionName.
605		*/
606		public void threadShouldThrow(String exceptionName) {
607	<	threadFailed = true;
301	<	fail("should throw " + exceptionName);
607	>	threadFail("should throw " + exceptionName);
608		}
609
610		/**
611	<	* threadFail with message "Unexpected exception"
611	>	* Records the given exception using {@link #threadRecordFailure},
612	>	* then rethrows the exception, wrapping it in an
613	>	* AssertionFailedError if necessary.
614		*/
615	<	public void threadUnexpectedException() {
616	<	threadFailed = true;
617	<	fail("Unexpected exception");
615	>	public void threadUnexpectedException(Throwable t) {
616	>	threadRecordFailure(t);
617	>	t.printStackTrace();
618	>	if (t instanceof RuntimeException)
619	>	throw (RuntimeException) t;
620	>	else if (t instanceof Error)
621	>	throw (Error) t;
622	>	else {
623	>	AssertionFailedError afe =
624	>	new AssertionFailedError("unexpected exception: " + t);
625	>	afe.initCause(t);
626	>	throw afe;
627	>	}
628		}
629
630		/**
631	<	* threadFail with message "Unexpected exception", with argument
631	>	* Delays, via Thread.sleep, for the given millisecond delay, but
632	>	* if the sleep is shorter than specified, may re-sleep or yield
633	>	* until time elapses.
634		*/
635	<	public void threadUnexpectedException(Throwable ex) {
636	<	threadFailed = true;
637	<	ex.printStackTrace();
638	<	fail("Unexpected exception: " + ex);
635	>	static void delay(long millis) throws InterruptedException {
636	>	long startTime = System.nanoTime();
637	>	long ns = millis * 1000 * 1000;
638	>	for (;;) {
639	>	if (millis > 0L)
640	>	Thread.sleep(millis);
641	>	else // too short to sleep
642	>	Thread.yield();
643	>	long d = ns - (System.nanoTime() - startTime);
644	>	if (d > 0L)
645	>	millis = d / (1000 * 1000);
646	>	else
647	>	break;
648	>	}
649		}
650
651		/**
652	<	* Wait out termination of a thread pool or fail doing so
652	>	* Waits out termination of a thread pool or fails doing so.
653		*/
654	<	public void joinPool(ExecutorService exec) {
654	>	void joinPool(ExecutorService exec) {
655		try {
656		exec.shutdown();
657	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
657	>	if (!exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS))
658	>	fail("ExecutorService " + exec +
659	>	" did not terminate in a timely manner");
660		} catch (SecurityException ok) {
661		// Allowed in case test doesn't have privs
662	<	} catch (InterruptedException ie) {
662	>	} catch (InterruptedException fail) {
663		fail("Unexpected InterruptedException");
664		}
665		}
666
667	+	/**
668	+	* A debugging tool to print all stack traces, as jstack does.
669	+	*/
670	+	static void printAllStackTraces() {
671	+	for (ThreadInfo info :
672	+	ManagementFactory.getThreadMXBean()
673	+	.dumpAllThreads(true, true))
674	+	System.err.print(info);
675	+	}
676
677		/**
678	<	* fail with message "should throw exception"
678	>	* Checks that thread does not terminate within the default
679	>	* millisecond delay of {@code timeoutMillis()}.
680		*/
681	<	public void shouldThrow() {
682	<	fail("Should throw exception");
681	>	void assertThreadStaysAlive(Thread thread) {
682	>	assertThreadStaysAlive(thread, timeoutMillis());
683		}
684
685		/**
686	<	* fail with message "should throw " + exceptionName
686	>	* Checks that thread does not terminate within the given millisecond delay.
687		*/
688	<	public void shouldThrow(String exceptionName) {
689	<	fail("Should throw " + exceptionName);
688	>	void assertThreadStaysAlive(Thread thread, long millis) {
689	>	try {
690	>	// No need to optimize the failing case via Thread.join.
691	>	delay(millis);
692	>	assertTrue(thread.isAlive());
693	>	} catch (InterruptedException fail) {
694	>	fail("Unexpected InterruptedException");
695	>	}
696		}
697
698		/**
699	<	* fail with message "Unexpected exception"
699	>	* Checks that the threads do not terminate within the default
700	>	* millisecond delay of {@code timeoutMillis()}.
701		*/
702	<	public void unexpectedException() {
703	<	fail("Unexpected exception");
702	>	void assertThreadsStayAlive(Thread... threads) {
703	>	assertThreadsStayAlive(timeoutMillis(), threads);
704		}
705
706		/**
707	<	* fail with message "Unexpected exception", with argument
707	>	* Checks that the threads do not terminate within the given millisecond delay.
708		*/
709	<	public void unexpectedException(Throwable ex) {
710	<	ex.printStackTrace();
711	<	fail("Unexpected exception: " + ex);
709	>	void assertThreadsStayAlive(long millis, Thread... threads) {
710	>	try {
711	>	// No need to optimize the failing case via Thread.join.
712	>	delay(millis);
713	>	for (Thread thread : threads)
714	>	assertTrue(thread.isAlive());
715	>	} catch (InterruptedException fail) {
716	>	fail("Unexpected InterruptedException");
717	>	}
718	>	}
719	>
720	>	/**
721	>	* Checks that future.get times out, with the default timeout of
722	>	* {@code timeoutMillis()}.
723	>	*/
724	>	void assertFutureTimesOut(Future future) {
725	>	assertFutureTimesOut(future, timeoutMillis());
726	>	}
727	>
728	>	/**
729	>	* Checks that future.get times out, with the given millisecond timeout.
730	>	*/
731	>	void assertFutureTimesOut(Future future, long timeoutMillis) {
732	>	long startTime = System.nanoTime();
733	>	try {
734	>	future.get(timeoutMillis, MILLISECONDS);
735	>	shouldThrow();
736	>	} catch (TimeoutException success) {
737	>	} catch (Exception fail) {
738	>	threadUnexpectedException(fail);
739	>	} finally { future.cancel(true); }
740	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
741	>	}
742	>
743	>	/**
744	>	* Fails with message "should throw exception".
745	>	*/
746	>	public void shouldThrow() {
747	>	fail("Should throw exception");
748		}
749
750	+	/**
751	+	* Fails with message "should throw " + exceptionName.
752	+	*/
753	+	public void shouldThrow(String exceptionName) {
754	+	fail("Should throw " + exceptionName);
755	+	}
756
757		/**
758		* The number of elements to place in collections, arrays, etc.
#	Line 370 | Line 761 | public class JSR166TestCase extends Test
761
762		// Some convenient Integer constants
763
764	<	public static final Integer zero = new Integer(0);
765	<	public static final Integer one = new Integer(1);
766	<	public static final Integer two = new Integer(2);
767	<	public static final Integer three  = new Integer(3);
764	>	public static final Integer zero  = new Integer(0);
765	>	public static final Integer one   = new Integer(1);
766	>	public static final Integer two   = new Integer(2);
767	>	public static final Integer three = new Integer(3);
768		public static final Integer four  = new Integer(4);
769		public static final Integer five  = new Integer(5);
770	<	public static final Integer six = new Integer(6);
770	>	public static final Integer six   = new Integer(6);
771		public static final Integer seven = new Integer(7);
772		public static final Integer eight = new Integer(8);
773	<	public static final Integer nine = new Integer(9);
773	>	public static final Integer nine  = new Integer(9);
774		public static final Integer m1  = new Integer(-1);
775		public static final Integer m2  = new Integer(-2);
776		public static final Integer m3  = new Integer(-3);
777	<	public static final Integer m4 = new Integer(-4);
778	<	public static final Integer m5 = new Integer(-5);
779	<	public static final Integer m6 = new Integer(-6);
777	>	public static final Integer m4  = new Integer(-4);
778	>	public static final Integer m5  = new Integer(-5);
779	>	public static final Integer m6  = new Integer(-6);
780		public static final Integer m10 = new Integer(-10);
781
782	+	/**
783	+	* Runs Runnable r with a security policy that permits precisely
784	+	* the specified permissions.  If there is no current security
785	+	* manager, the runnable is run twice, both with and without a
786	+	* security manager.  We require that any security manager permit
787	+	* getPolicy/setPolicy.
788	+	*/
789	+	public void runWithPermissions(Runnable r, Permission... permissions) {
790	+	SecurityManager sm = System.getSecurityManager();
791	+	if (sm == null) {
792	+	r.run();
793	+	}
794	+	runWithSecurityManagerWithPermissions(r, permissions);
795	+	}
796	+
797	+	/**
798	+	* Runs Runnable r with a security policy that permits precisely
799	+	* the specified permissions.  If there is no current security
800	+	* manager, a temporary one is set for the duration of the
801	+	* Runnable.  We require that any security manager permit
802	+	* getPolicy/setPolicy.
803	+	*/
804	+	public void runWithSecurityManagerWithPermissions(Runnable r,
805	+	Permission... permissions) {
806	+	SecurityManager sm = System.getSecurityManager();
807	+	if (sm == null) {
808	+	Policy savedPolicy = Policy.getPolicy();
809	+	try {
810	+	Policy.setPolicy(permissivePolicy());
811	+	System.setSecurityManager(new SecurityManager());
812	+	runWithSecurityManagerWithPermissions(r, permissions);
813	+	} finally {
814	+	System.setSecurityManager(null);
815	+	Policy.setPolicy(savedPolicy);
816	+	}
817	+	} else {
818	+	Policy savedPolicy = Policy.getPolicy();
819	+	AdjustablePolicy policy = new AdjustablePolicy(permissions);
820	+	Policy.setPolicy(policy);
821	+
822	+	try {
823	+	r.run();
824	+	} finally {
825	+	policy.addPermission(new SecurityPermission("setPolicy"));
826	+	Policy.setPolicy(savedPolicy);
827	+	}
828	+	}
829	+	}
830	+
831	+	/**
832	+	* Runs a runnable without any permissions.
833	+	*/
834	+	public void runWithoutPermissions(Runnable r) {
835	+	runWithPermissions(r);
836	+	}
837
838		/**
839		* A security policy where new permissions can be dynamically added
#	Line 395 | Line 841 | public class JSR166TestCase extends Test
841		*/
842		public static class AdjustablePolicy extends java.security.Policy {
843		Permissions perms = new Permissions();
844	<	AdjustablePolicy() { }
844	>	AdjustablePolicy(Permission... permissions) {
845	>	for (Permission permission : permissions)
846	>	perms.add(permission);
847	>	}
848		void addPermission(Permission perm) { perms.add(perm); }
849		void clearPermissions() { perms = new Permissions(); }
850		public PermissionCollection getPermissions(CodeSource cs) {
#	Line 408 | Line 857 | public class JSR166TestCase extends Test
857		return perms.implies(p);
858		}
859		public void refresh() {}
860	+	public String toString() {
861	+	List<Permission> ps = new ArrayList<Permission>();
862	+	for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
863	+	ps.add(e.nextElement());
864	+	return "AdjustablePolicy with permissions " + ps;
865	+	}
866		}
867
868		/**
869	<	* Sleep until the timeout has elapsed, or interrupted.
415	<	* Does <em>NOT</em> throw InterruptedException.
869	>	* Returns a policy containing all the permissions we ever need.
870		*/
871	<	void sleepTillInterrupted(long timeoutMillis) {
871	>	public static Policy permissivePolicy() {
872	>	return new AdjustablePolicy
873	>	// Permissions j.u.c. needs directly
874	>	(new RuntimePermission("modifyThread"),
875	>	new RuntimePermission("getClassLoader"),
876	>	new RuntimePermission("setContextClassLoader"),
877	>	// Permissions needed to change permissions!
878	>	new SecurityPermission("getPolicy"),
879	>	new SecurityPermission("setPolicy"),
880	>	new RuntimePermission("setSecurityManager"),
881	>	// Permissions needed by the junit test harness
882	>	new RuntimePermission("accessDeclaredMembers"),
883	>	new PropertyPermission("*", "read"),
884	>	new java.io.FilePermission("<<ALL FILES>>", "read"));
885	>	}
886	>
887	>	/**
888	>	* Sleeps until the given time has elapsed.
889	>	* Throws AssertionFailedError if interrupted.
890	>	*/
891	>	void sleep(long millis) {
892		try {
893	<	Thread.sleep(timeoutMillis);
894	<	} catch (InterruptedException wakeup) {}
893	>	delay(millis);
894	>	} catch (InterruptedException fail) {
895	>	AssertionFailedError afe =
896	>	new AssertionFailedError("Unexpected InterruptedException");
897	>	afe.initCause(fail);
898	>	throw afe;
899	>	}
900		}
901
902		/**
903	<	* Returns a new started Thread running the given runnable.
903	>	* Spin-waits up to the specified number of milliseconds for the given
904	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
905	>	*/
906	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
907	>	long startTime = System.nanoTime();
908	>	for (;;) {
909	>	Thread.State s = thread.getState();
910	>	if (s == Thread.State.BLOCKED ||
911	>	s == Thread.State.WAITING ||
912	>	s == Thread.State.TIMED_WAITING)
913	>	return;
914	>	else if (s == Thread.State.TERMINATED)
915	>	fail("Unexpected thread termination");
916	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
917	>	threadAssertTrue(thread.isAlive());
918	>	return;
919	>	}
920	>	Thread.yield();
921	>	}
922	>	}
923	>
924	>	/**
925	>	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
926	>	* state: BLOCKED, WAITING, or TIMED_WAITING.
927	>	*/
928	>	void waitForThreadToEnterWaitState(Thread thread) {
929	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
930	>	}
931	>
932	>	/**
933	>	* Returns the number of milliseconds since time given by
934	>	* startNanoTime, which must have been previously returned from a
935	>	* call to {@link System#nanoTime()}.
936	>	*/
937	>	static long millisElapsedSince(long startNanoTime) {
938	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
939	>	}
940	>
941	>	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
942	>	//         long startTime = System.nanoTime();
943	>	//         try {
944	>	//             r.run();
945	>	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
946	>	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
947	>	//             throw new AssertionFailedError("did not return promptly");
948	>	//     }
949	>
950	>	//     void assertTerminatesPromptly(Runnable r) {
951	>	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
952	>	//     }
953	>
954	>	/**
955	>	* Checks that timed f.get() returns the expected value, and does not
956	>	* wait for the timeout to elapse before returning.
957	>	*/
958	>	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
959	>	long startTime = System.nanoTime();
960	>	try {
961	>	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
962	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
963	>	if (millisElapsedSince(startTime) > timeoutMillis/2)
964	>	throw new AssertionFailedError("timed get did not return promptly");
965	>	}
966	>
967	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
968	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
969	>	}
970	>
971	>	/**
972	>	* Returns a new started daemon Thread running the given runnable.
973		*/
974		Thread newStartedThread(Runnable runnable) {
975		Thread t = new Thread(runnable);
976	+	t.setDaemon(true);
977		t.start();
978		return t;
979		}
980
981	+	/**
982	+	* Waits for the specified time (in milliseconds) for the thread
983	+	* to terminate (using {@link Thread#join(long)}), else interrupts
984	+	* the thread (in the hope that it may terminate later) and fails.
985	+	*/
986	+	void awaitTermination(Thread t, long timeoutMillis) {
987	+	try {
988	+	t.join(timeoutMillis);
989	+	} catch (InterruptedException fail) {
990	+	threadUnexpectedException(fail);
991	+	} finally {
992	+	if (t.getState() != Thread.State.TERMINATED) {
993	+	t.interrupt();
994	+	fail("Test timed out");
995	+	}
996	+	}
997	+	}
998	+
999	+	/**
1000	+	* Waits for LONG_DELAY_MS milliseconds for the thread to
1001	+	* terminate (using {@link Thread#join(long)}), else interrupts
1002	+	* the thread (in the hope that it may terminate later) and fails.
1003	+	*/
1004	+	void awaitTermination(Thread t) {
1005	+	awaitTermination(t, LONG_DELAY_MS);
1006	+	}
1007	+
1008		// Some convenient Runnable classes
1009
1010		public abstract class CheckedRunnable implements Runnable {
#	Line 437 | Line 1013 | public class JSR166TestCase extends Test
1013		public final void run() {
1014		try {
1015		realRun();
1016	<	} catch (Throwable t) {
1017	<	threadUnexpectedException(t);
1016	>	} catch (Throwable fail) {
1017	>	threadUnexpectedException(fail);
1018		}
1019		}
1020		}
#	Line 456 | Line 1032 | public class JSR166TestCase extends Test
1032		try {
1033		realRun();
1034		threadShouldThrow(exceptionClass.getSimpleName());
459	–	} catch (InterruptedException success) {
1035		} catch (Throwable t) {
1036		if (! exceptionClass.isInstance(t))
1037		threadUnexpectedException(t);
#	Line 477 | Line 1052 | public class JSR166TestCase extends Test
1052		try {
1053		realRun();
1054		threadShouldThrow(exceptionClass.getSimpleName());
480	–	} catch (InterruptedException success) {
1055		} catch (Throwable t) {
1056		if (! exceptionClass.isInstance(t))
1057		threadUnexpectedException(t);
#	Line 493 | Line 1067 | public class JSR166TestCase extends Test
1067		realRun();
1068		threadShouldThrow("InterruptedException");
1069		} catch (InterruptedException success) {
1070	<	} catch (Throwable t) {
1071	<	threadUnexpectedException(t);
1070	>	threadAssertFalse(Thread.interrupted());
1071	>	} catch (Throwable fail) {
1072	>	threadUnexpectedException(fail);
1073		}
1074		}
1075		}
#	Line 505 | Line 1080 | public class JSR166TestCase extends Test
1080		public final T call() {
1081		try {
1082		return realCall();
1083	<	} catch (Throwable t) {
1084	<	threadUnexpectedException(t);
1083	>	} catch (Throwable fail) {
1084	>	threadUnexpectedException(fail);
1085	>	return null;
1086		}
511	–	return null;
1087		}
1088		}
1089
1090	<	public abstract class CheckedInterruptedCallable<T> implements Callable<T> {
1090	>	public abstract class CheckedInterruptedCallable<T>
1091	>	implements Callable<T> {
1092		protected abstract T realCall() throws Throwable;
1093
1094		public final T call() {
#	Line 521 | Line 1097 | public class JSR166TestCase extends Test
1097		threadShouldThrow("InterruptedException");
1098		return result;
1099		} catch (InterruptedException success) {
1100	<	} catch (Throwable t) {
1101	<	threadUnexpectedException(t);
1100	>	threadAssertFalse(Thread.interrupted());
1101	>	} catch (Throwable fail) {
1102	>	threadUnexpectedException(fail);
1103		}
1104		return null;
1105		}
#	Line 542 | Line 1119 | public class JSR166TestCase extends Test
1119		public String call() { return TEST_STRING; }
1120		}
1121
1122	+	public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
1123	+	return new CheckedCallable<String>() {
1124	+	protected String realCall() {
1125	+	try {
1126	+	latch.await();
1127	+	} catch (InterruptedException quittingTime) {}
1128	+	return TEST_STRING;
1129	+	}};
1130	+	}
1131	+
1132	+	public Runnable awaiter(final CountDownLatch latch) {
1133	+	return new CheckedRunnable() {
1134	+	public void realRun() throws InterruptedException {
1135	+	await(latch);
1136	+	}};
1137	+	}
1138	+
1139	+	public void await(CountDownLatch latch) {
1140	+	try {
1141	+	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1142	+	} catch (Throwable fail) {
1143	+	threadUnexpectedException(fail);
1144	+	}
1145	+	}
1146	+
1147	+	public void await(Semaphore semaphore) {
1148	+	try {
1149	+	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1150	+	} catch (Throwable fail) {
1151	+	threadUnexpectedException(fail);
1152	+	}
1153	+	}
1154	+
1155	+	//     /**
1156	+	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1157	+	//      */
1158	+	//     public void await(AtomicBoolean flag) {
1159	+	//         await(flag, LONG_DELAY_MS);
1160	+	//     }
1161	+
1162	+	//     /**
1163	+	//      * Spin-waits up to the specified timeout until flag becomes true.
1164	+	//      */
1165	+	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1166	+	//         long startTime = System.nanoTime();
1167	+	//         while (!flag.get()) {
1168	+	//             if (millisElapsedSince(startTime) > timeoutMillis)
1169	+	//                 throw new AssertionFailedError("timed out");
1170	+	//             Thread.yield();
1171	+	//         }
1172	+	//     }
1173	+
1174		public static class NPETask implements Callable<String> {
1175		public String call() { throw new NullPointerException(); }
1176		}
#	Line 552 | Line 1181 | public class JSR166TestCase extends Test
1181
1182		public class ShortRunnable extends CheckedRunnable {
1183		protected void realRun() throws Throwable {
1184	<	Thread.sleep(SHORT_DELAY_MS);
1184	>	delay(SHORT_DELAY_MS);
1185		}
1186		}
1187
1188		public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1189		protected void realRun() throws InterruptedException {
1190	<	Thread.sleep(SHORT_DELAY_MS);
1190	>	delay(SHORT_DELAY_MS);
1191		}
1192		}
1193
1194		public class SmallRunnable extends CheckedRunnable {
1195		protected void realRun() throws Throwable {
1196	<	Thread.sleep(SMALL_DELAY_MS);
1196	>	delay(SMALL_DELAY_MS);
1197		}
1198		}
1199
1200		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1201		protected void realRun() {
1202		try {
1203	<	Thread.sleep(SMALL_DELAY_MS);
1203	>	delay(SMALL_DELAY_MS);
1204		} catch (InterruptedException ok) {}
1205		}
1206		}
1207
1208		public class SmallCallable extends CheckedCallable {
1209		protected Object realCall() throws InterruptedException {
1210	<	Thread.sleep(SMALL_DELAY_MS);
1210	>	delay(SMALL_DELAY_MS);
1211		return Boolean.TRUE;
1212		}
1213		}
1214
586	–	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
587	–	protected void realRun() throws InterruptedException {
588	–	Thread.sleep(SMALL_DELAY_MS);
589	–	}
590	–	}
591	–
1215		public class MediumRunnable extends CheckedRunnable {
1216		protected void realRun() throws Throwable {
1217	<	Thread.sleep(MEDIUM_DELAY_MS);
1217	>	delay(MEDIUM_DELAY_MS);
1218		}
1219		}
1220
1221		public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1222		protected void realRun() throws InterruptedException {
1223	<	Thread.sleep(MEDIUM_DELAY_MS);
1223	>	delay(MEDIUM_DELAY_MS);
1224		}
1225		}
1226
1227	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1228	+	return new CheckedRunnable() {
1229	+	protected void realRun() {
1230	+	try {
1231	+	delay(timeoutMillis);
1232	+	} catch (InterruptedException ok) {}
1233	+	}};
1234	+	}
1235	+
1236		public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1237		protected void realRun() {
1238		try {
1239	<	Thread.sleep(MEDIUM_DELAY_MS);
1239	>	delay(MEDIUM_DELAY_MS);
1240		} catch (InterruptedException ok) {}
1241		}
1242		}
#	Line 612 | Line 1244 | public class JSR166TestCase extends Test
1244		public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1245		protected void realRun() {
1246		try {
1247	<	Thread.sleep(LONG_DELAY_MS);
1247	>	delay(LONG_DELAY_MS);
1248		} catch (InterruptedException ok) {}
1249		}
1250		}
#	Line 626 | Line 1258 | public class JSR166TestCase extends Test
1258		}
1259		}
1260
1261	+	public interface TrackedRunnable extends Runnable {
1262	+	boolean isDone();
1263	+	}
1264	+
1265	+	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1266	+	return new TrackedRunnable() {
1267	+	private volatile boolean done = false;
1268	+	public boolean isDone() { return done; }
1269	+	public void run() {
1270	+	try {
1271	+	delay(timeoutMillis);
1272	+	done = true;
1273	+	} catch (InterruptedException ok) {}
1274	+	}
1275	+	};
1276	+	}
1277	+
1278		public static class TrackedShortRunnable implements Runnable {
1279		public volatile boolean done = false;
1280		public void run() {
1281		try {
1282	<	Thread.sleep(SMALL_DELAY_MS);
1282	>	delay(SHORT_DELAY_MS);
1283	>	done = true;
1284	>	} catch (InterruptedException ok) {}
1285	>	}
1286	>	}
1287	>
1288	>	public static class TrackedSmallRunnable implements Runnable {
1289	>	public volatile boolean done = false;
1290	>	public void run() {
1291	>	try {
1292	>	delay(SMALL_DELAY_MS);
1293		done = true;
1294		} catch (InterruptedException ok) {}
1295		}
#	Line 640 | Line 1299 | public class JSR166TestCase extends Test
1299		public volatile boolean done = false;
1300		public void run() {
1301		try {
1302	<	Thread.sleep(MEDIUM_DELAY_MS);
1302	>	delay(MEDIUM_DELAY_MS);
1303		done = true;
1304		} catch (InterruptedException ok) {}
1305		}
#	Line 650 | Line 1309 | public class JSR166TestCase extends Test
1309		public volatile boolean done = false;
1310		public void run() {
1311		try {
1312	<	Thread.sleep(LONG_DELAY_MS);
1312	>	delay(LONG_DELAY_MS);
1313		done = true;
1314		} catch (InterruptedException ok) {}
1315		}
#	Line 667 | Line 1326 | public class JSR166TestCase extends Test
1326		public volatile boolean done = false;
1327		public Object call() {
1328		try {
1329	<	Thread.sleep(SMALL_DELAY_MS);
1329	>	delay(SMALL_DELAY_MS);
1330		done = true;
1331		} catch (InterruptedException ok) {}
1332		return Boolean.TRUE;
1333		}
1334		}
1335
1336	+	/**
1337	+	* Analog of CheckedRunnable for RecursiveAction
1338	+	*/
1339	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1340	+	protected abstract void realCompute() throws Throwable;
1341	+
1342	+	@Override protected final void compute() {
1343	+	try {
1344	+	realCompute();
1345	+	} catch (Throwable fail) {
1346	+	threadUnexpectedException(fail);
1347	+	}
1348	+	}
1349	+	}
1350	+
1351	+	/**
1352	+	* Analog of CheckedCallable for RecursiveTask
1353	+	*/
1354	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1355	+	protected abstract T realCompute() throws Throwable;
1356	+
1357	+	@Override protected final T compute() {
1358	+	try {
1359	+	return realCompute();
1360	+	} catch (Throwable fail) {
1361	+	threadUnexpectedException(fail);
1362	+	return null;
1363	+	}
1364	+	}
1365	+	}
1366
1367		/**
1368		* For use as RejectedExecutionHandler in constructors
#	Line 683 | Line 1372 | public class JSR166TestCase extends Test
1372		ThreadPoolExecutor executor) {}
1373		}
1374
1375	+	/**
1376	+	* A CyclicBarrier that uses timed await and fails with
1377	+	* AssertionFailedErrors instead of throwing checked exceptions.
1378	+	*/
1379	+	public class CheckedBarrier extends CyclicBarrier {
1380	+	public CheckedBarrier(int parties) { super(parties); }
1381	+
1382	+	public int await() {
1383	+	try {
1384	+	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1385	+	} catch (TimeoutException timedOut) {
1386	+	throw new AssertionFailedError("timed out");
1387	+	} catch (Exception fail) {
1388	+	AssertionFailedError afe =
1389	+	new AssertionFailedError("Unexpected exception: " + fail);
1390	+	afe.initCause(fail);
1391	+	throw afe;
1392	+	}
1393	+	}
1394	+	}
1395	+
1396	+	void checkEmpty(BlockingQueue q) {
1397	+	try {
1398	+	assertTrue(q.isEmpty());
1399	+	assertEquals(0, q.size());
1400	+	assertNull(q.peek());
1401	+	assertNull(q.poll());
1402	+	assertNull(q.poll(0, MILLISECONDS));
1403	+	assertEquals(q.toString(), "[]");
1404	+	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1405	+	assertFalse(q.iterator().hasNext());
1406	+	try {
1407	+	q.element();
1408	+	shouldThrow();
1409	+	} catch (NoSuchElementException success) {}
1410	+	try {
1411	+	q.iterator().next();
1412	+	shouldThrow();
1413	+	} catch (NoSuchElementException success) {}
1414	+	try {
1415	+	q.remove();
1416	+	shouldThrow();
1417	+	} catch (NoSuchElementException success) {}
1418	+	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1419	+	}
1420	+
1421	+	void assertSerialEquals(Object x, Object y) {
1422	+	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1423	+	}
1424	+
1425	+	void assertNotSerialEquals(Object x, Object y) {
1426	+	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1427	+	}
1428	+
1429	+	byte[] serialBytes(Object o) {
1430	+	try {
1431	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1432	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1433	+	oos.writeObject(o);
1434	+	oos.flush();
1435	+	oos.close();
1436	+	return bos.toByteArray();
1437	+	} catch (Throwable fail) {
1438	+	threadUnexpectedException(fail);
1439	+	return new byte[0];
1440	+	}
1441	+	}
1442	+
1443	+	@SuppressWarnings("unchecked")
1444	+	<T> T serialClone(T o) {
1445	+	try {
1446	+	ObjectInputStream ois = new ObjectInputStream
1447	+	(new ByteArrayInputStream(serialBytes(o)));
1448	+	T clone = (T) ois.readObject();
1449	+	assertSame(o.getClass(), clone.getClass());
1450	+	return clone;
1451	+	} catch (Throwable fail) {
1452	+	threadUnexpectedException(fail);
1453	+	return null;
1454	+	}
1455	+	}
1456	+
1457	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1458	+	Runnable... throwingActions) {
1459	+	for (Runnable throwingAction : throwingActions) {
1460	+	boolean threw = false;
1461	+	try { throwingAction.run(); }
1462	+	catch (Throwable t) {
1463	+	threw = true;
1464	+	if (!expectedExceptionClass.isInstance(t)) {
1465	+	AssertionFailedError afe =
1466	+	new AssertionFailedError
1467	+	("Expected " + expectedExceptionClass.getName() +
1468	+	", got " + t.getClass().getName());
1469	+	afe.initCause(t);
1470	+	threadUnexpectedException(afe);
1471	+	}
1472	+	}
1473	+	if (!threw)
1474	+	shouldThrow(expectedExceptionClass.getName());
1475	+	}
1476	+	}
1477	+
1478	+	public void assertIteratorExhausted(Iterator<?> it) {
1479	+	try {
1480	+	it.next();
1481	+	shouldThrow();
1482	+	} catch (NoSuchElementException success) {}
1483	+	assertFalse(it.hasNext());
1484	+	}
1485		}

Diff Legend

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