[ViewVC] Diff of: jsr166/jsr166/src/test/tck/JSR166TestCase.java

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.97 by jsr166, Fri Feb 1 19:07:36 2013 UTC vs.
Revision 1.272 by dl, Tue Jan 26 13:33:06 2021 UTC

#	Line 1 \| Line 1
1		/*
2	<	* Written by Doug Lea with assistance from members of JCP JSR-166
3	<	* Expert Group and released to the public domain, as explained at
2	>	* Written by Doug Lea and Martin Buchholz with assistance from
3	>	* members of JCP JSR-166 Expert Group and released to the public
4	>	* domain, as explained at
5		* http://creativecommons.org/publicdomain/zero/1.0/
6		* Other contributors include Andrew Wright, Jeffrey Hayes,
7		* Pat Fisher, Mike Judd.
8		*/
9
10	<	import junit.framework.*;
10	>	/*
11	>	* @test
12	>	* @summary JSR-166 tck tests, in a number of variations.
13	>	* The first is the conformance testing variant,
14	>	* while others also test implementation details.
15	>	* @build *
16	>	* @modules java.management
17	>	* @run junit/othervm/timeout=1000 JSR166TestCase
18	>	* @run junit/othervm/timeout=1000
19	>	* --add-opens java.base/java.util.concurrent=ALL-UNNAMED
20	>	* --add-opens java.base/java.lang=ALL-UNNAMED
21	>	* -Djsr166.testImplementationDetails=true
22	>	* JSR166TestCase
23	>	* @run junit/othervm/timeout=1000
24	>	* --add-opens java.base/java.util.concurrent=ALL-UNNAMED
25	>	* --add-opens java.base/java.lang=ALL-UNNAMED
26	>	* -Djsr166.testImplementationDetails=true
27	>	* -Djava.util.concurrent.ForkJoinPool.common.parallelism=0
28	>	* JSR166TestCase
29	>	* @run junit/othervm/timeout=1000
30	>	* --add-opens java.base/java.util.concurrent=ALL-UNNAMED
31	>	* --add-opens java.base/java.lang=ALL-UNNAMED
32	>	* -Djsr166.testImplementationDetails=true
33	>	* -Djava.util.concurrent.ForkJoinPool.common.parallelism=1
34	>	* -Djava.util.secureRandomSeed=true
35	>	* JSR166TestCase
36	>	* @run junit/othervm/timeout=1000/policy=tck.policy
37	>	* --add-opens java.base/java.util.concurrent=ALL-UNNAMED
38	>	* --add-opens java.base/java.lang=ALL-UNNAMED
39	>	* -Djsr166.testImplementationDetails=true
40	>	* JSR166TestCase
41	>	*/
42	>
43	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
44	>	import static java.util.concurrent.TimeUnit.MINUTES;
45	>	import static java.util.concurrent.TimeUnit.NANOSECONDS;
46	>
47		import java.io.ByteArrayInputStream;
48		import java.io.ByteArrayOutputStream;
49		import java.io.ObjectInputStream;
50		import java.io.ObjectOutputStream;
51		import java.lang.management.ManagementFactory;
52	+	import java.lang.management.LockInfo;
53		import java.lang.management.ThreadInfo;
54	+	import java.lang.management.ThreadMXBean;
55	+	import java.lang.reflect.Constructor;
56		import java.lang.reflect.Method;
57	+	import java.lang.reflect.Modifier;
58	+	import java.security.CodeSource;
59	+	import java.security.Permission;
60	+	import java.security.PermissionCollection;
61	+	import java.security.Permissions;
62	+	import java.security.Policy;
63	+	import java.security.ProtectionDomain;
64	+	import java.security.SecurityPermission;
65		import java.util.ArrayList;
66		import java.util.Arrays;
67	+	import java.util.Collection;
68	+	import java.util.Collections;
69		import java.util.Date;
70	+	import java.util.Deque;
71		import java.util.Enumeration;
72	+	import java.util.HashSet;
73	+	import java.util.Iterator;
74		import java.util.List;
75		import java.util.NoSuchElementException;
76		import java.util.PropertyPermission;
77	<	import java.util.concurrent.*;
77	>	import java.util.Queue;
78	>	import java.util.Set;
79	>	import java.util.concurrent.BlockingQueue;
80	>	import java.util.concurrent.Callable;
81	>	import java.util.concurrent.CountDownLatch;
82	>	import java.util.concurrent.CyclicBarrier;
83	>	import java.util.concurrent.ExecutionException;
84	>	import java.util.concurrent.Executor;
85	>	import java.util.concurrent.Executors;
86	>	import java.util.concurrent.ExecutorService;
87	>	import java.util.concurrent.ForkJoinPool;
88	>	import java.util.concurrent.Future;
89	>	import java.util.concurrent.FutureTask;
90	>	import java.util.concurrent.RecursiveAction;
91	>	import java.util.concurrent.RecursiveTask;
92	>	import java.util.concurrent.RejectedExecutionException;
93	>	import java.util.concurrent.RejectedExecutionHandler;
94	>	import java.util.concurrent.Semaphore;
95	>	import java.util.concurrent.ScheduledExecutorService;
96	>	import java.util.concurrent.ScheduledFuture;
97	>	import java.util.concurrent.SynchronousQueue;
98	>	import java.util.concurrent.ThreadFactory;
99	>	import java.util.concurrent.ThreadLocalRandom;
100	>	import java.util.concurrent.ThreadPoolExecutor;
101	>	import java.util.concurrent.TimeUnit;
102	>	import java.util.concurrent.TimeoutException;
103		import java.util.concurrent.atomic.AtomicBoolean;
104		import java.util.concurrent.atomic.AtomicReference;
105	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
106	<	import static java.util.concurrent.TimeUnit.NANOSECONDS;
107	<	import java.security.CodeSource;
108	<	import java.security.Permission;
109	<	import java.security.PermissionCollection;
110	<	import java.security.Permissions;
33	<	import java.security.Policy;
34	<	import java.security.ProtectionDomain;
35	<	import java.security.SecurityPermission;
105	>	import java.util.regex.Pattern;
106	>
107	>	import junit.framework.Test;
108	>	import junit.framework.TestCase;
109	>	import junit.framework.TestResult;
110	>	import junit.framework.TestSuite;
111
112		/**
113		* Base class for JSR166 Junit TCK tests. Defines some constants,
#	Line 44 \| Line 119 \| import java.security.SecurityPermission;
119		*
120		* <ol>
121		*
122	<	* <li> All assertions in code running in generated threads must use
123	<	* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
124	<	* #threadAssertEquals}, or {@link #threadAssertNull}, (not
125	<	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
126	<	* particularly recommended) for other code to use these forms too.
127	<	* Only the most typically used JUnit assertion methods are defined
128	<	* this way, but enough to live with.</li>
122	>	* <li>All code not running in the main test thread (manually spawned threads
123	>	* or the common fork join pool) must be checked for failure (and completion!).
124	>	* Mechanisms that can be used to ensure this are:
125	>	* <ol>
126	>	* <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch
127	>	* that the task completed normally, which is checked before returning from
128	>	* the test method in the main thread.
129	>	* <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue},
130	>	* or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.)
131	>	* Only the most typically used JUnit assertion methods are defined
132	>	* this way, but enough to live with.
133	>	* <li>Recording failure explicitly using {@link #threadUnexpectedException}
134	>	* or {@link #threadRecordFailure}.
135	>	* <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above.
136	>	* </ol>
137		*
138	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
138	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
139		* to invoke {@code super.setUp} and {@code super.tearDown} within
140		* them. These methods are used to clear and check for thread
141	<	* assertion failures.</li>
141	>	* assertion failures.
142		*
143		* <li>All delays and timeouts must use one of the constants {@code
144		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 66 \| Line 149 \| import java.security.SecurityPermission;
149		* is always discriminable as larger than SHORT and smaller than
150		* MEDIUM. And so on. These constants are set to conservative values,
151		* but even so, if there is ever any doubt, they can all be increased
152	<	* in one spot to rerun tests on slower platforms.</li>
152	>	* in one spot to rerun tests on slower platforms.
153		*
154	<	* <li> All threads generated must be joined inside each test case
154	>	* Class Item is used for elements of collections and related
155	>	* purposes. Many tests rely on themir keys being equal to ints. To
156	>	* check these, methods mustEqual, mustContain, etc adapt the JUnit
157	>	* assert methods to intercept ints.
158	>	*
159	>	* <li>All threads generated must be joined inside each test case
160		* method (or {@code fail} to do so) before returning from the
161		* method. The {@code joinPool} method can be used to do this when
162	<	* using Executors.</li>
162	>	* using Executors.
163		*
164		* </ol>
165		*
166		* <p><b>Other notes</b>
167		* <ul>
168		*
169	<	* <li> Usually, there is one testcase method per JSR166 method
169	>	* <li>Usually, there is one testcase method per JSR166 method
170		* covering "normal" operation, and then as many exception-testing
171		* methods as there are exceptions the method can throw. Sometimes
172		* there are multiple tests per JSR166 method when the different
173		* "normal" behaviors differ significantly. And sometimes testcases
174	<	* cover multiple methods when they cannot be tested in
87	<	* isolation.</li>
174	>	* cover multiple methods when they cannot be tested in isolation.
175		*
176	<	* <li> The documentation style for testcases is to provide as javadoc
176	>	* <li>The documentation style for testcases is to provide as javadoc
177		* a simple sentence or two describing the property that the testcase
178		* method purports to test. The javadocs do not say anything about how
179	<	* the property is tested. To find out, read the code.</li>
179	>	* the property is tested. To find out, read the code.
180		*
181	<	* <li> These tests are "conformance tests", and do not attempt to
181	>	* <li>These tests are "conformance tests", and do not attempt to
182		* test throughput, latency, scalability or other performance factors
183		* (see the separate "jtreg" tests for a set intended to check these
184		* for the most central aspects of functionality.) So, most tests use
185		* the smallest sensible numbers of threads, collection sizes, etc
186	<	* needed to check basic conformance.</li>
186	>	* needed to check basic conformance.
187		*
188		* <li>The test classes currently do not declare inclusion in
189		* any particular package to simplify things for people integrating
190	<	* them in TCK test suites.</li>
190	>	* them in TCK test suites.
191		*
192	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
193	<	* runs all JSR166 unit tests.</li>
192	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
193	>	* runs all JSR166 unit tests.
194		*
195		* </ul>
196		*/
#	Line 115 \| Line 202 \| public class JSR166TestCase extends Test
202		Boolean.getBoolean("jsr166.expensiveTests");
203
204		/**
205	+	* If true, also run tests that are not part of the official tck
206	+	* because they test unspecified implementation details.
207	+	*/
208	+	protected static final boolean testImplementationDetails =
209	+	Boolean.getBoolean("jsr166.testImplementationDetails");
210	+
211	+	/**
212		* If true, report on stdout all "slow" tests, that is, ones that
213		* take more than profileThreshold milliseconds to execute.
214		*/
#	Line 128 \| Line 222 \| public class JSR166TestCase extends Test
222		private static final long profileThreshold =
223		Long.getLong("jsr166.profileThreshold", 100);
224
225	+	/**
226	+	* The number of repetitions per test (for tickling rare bugs).
227	+	*/
228	+	private static final int runsPerTest =
229	+	Integer.getInteger("jsr166.runsPerTest", 1);
230	+
231	+	/**
232	+	* The number of repetitions of the test suite (for finding leaks?).
233	+	*/
234	+	private static final int suiteRuns =
235	+	Integer.getInteger("jsr166.suiteRuns", 1);
236	+
237	+	/**
238	+	* Returns the value of the system property, or NaN if not defined.
239	+	*/
240	+	private static float systemPropertyValue(String name) {
241	+	String floatString = System.getProperty(name);
242	+	if (floatString == null)
243	+	return Float.NaN;
244	+	try {
245	+	return Float.parseFloat(floatString);
246	+	} catch (NumberFormatException ex) {
247	+	throw new IllegalArgumentException(
248	+	String.format("Bad float value in system property %s=%s",
249	+	name, floatString));
250	+	}
251	+	}
252	+
253	+	private static final ThreadMXBean THREAD_MXBEAN
254	+	= ManagementFactory.getThreadMXBean();
255	+
256	+	/**
257	+	* The scaling factor to apply to standard delays used in tests.
258	+	* May be initialized from any of:
259	+	* - the "jsr166.delay.factor" system property
260	+	* - the "test.timeout.factor" system property (as used by jtreg)
261	+	* See: http://openjdk.java.net/jtreg/tag-spec.html
262	+	* - hard-coded fuzz factor when using a known slowpoke VM
263	+	*/
264	+	private static final float delayFactor = delayFactor();
265	+
266	+	private static float delayFactor() {
267	+	float x;
268	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
269	+	return x;
270	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
271	+	return x;
272	+	String prop = System.getProperty("java.vm.version");
273	+	if (prop != null && prop.matches(".debug."))
274	+	return 4.0f; // How much slower is fastdebug than product?!
275	+	return 1.0f;
276	+	}
277	+
278	+	public JSR166TestCase() { super(); }
279	+	public JSR166TestCase(String name) { super(name); }
280	+
281	+	/**
282	+	* A filter for tests to run, matching strings of the form
283	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
284	+	* Usefully combined with jsr166.runsPerTest.
285	+	*/
286	+	private static final Pattern methodFilter = methodFilter();
287	+
288	+	private static Pattern methodFilter() {
289	+	String regex = System.getProperty("jsr166.methodFilter");
290	+	return (regex == null) ? null : Pattern.compile(regex);
291	+	}
292	+
293	+	// Instrumentation to debug very rare, but very annoying hung test runs.
294	+	static volatile TestCase currentTestCase;
295	+	// static volatile int currentRun = 0;
296	+	static {
297	+	Runnable wedgedTestDetector = new Runnable() { public void run() {
298	+	// Avoid spurious reports with enormous runsPerTest.
299	+	// A single test case run should never take more than 1 second.
300	+	// But let's cap it at the high end too ...
301	+	final int timeoutMinutesMin = Math.max(runsPerTest / 60, 1)
302	+	* Math.max((int) delayFactor, 1);
303	+	final int timeoutMinutes = Math.min(15, timeoutMinutesMin);
304	+	for (TestCase lastTestCase = currentTestCase;;) {
305	+	try { MINUTES.sleep(timeoutMinutes); }
306	+	catch (InterruptedException unexpected) { break; }
307	+	if (lastTestCase == currentTestCase) {
308	+	System.err.printf(
309	+	"Looks like we're stuck running test: %s%n",
310	+	lastTestCase);
311	+	// System.err.printf(
312	+	// "Looks like we're stuck running test: %s (%d/%d)%n",
313	+	// lastTestCase, currentRun, runsPerTest);
314	+	// System.err.println("availableProcessors=" +
315	+	// Runtime.getRuntime().availableProcessors());
316	+	// System.err.printf("cpu model = %s%n", cpuModel());
317	+	dumpTestThreads();
318	+	// one stack dump is probably enough; more would be spam
319	+	break;
320	+	}
321	+	lastTestCase = currentTestCase;
322	+	}}};
323	+	Thread thread = new Thread(wedgedTestDetector, "WedgedTestDetector");
324	+	thread.setDaemon(true);
325	+	thread.start();
326	+	}
327	+
328	+	// public static String cpuModel() {
329	+	// try {
330	+	// java.util.regex.Matcher matcher
331	+	// = Pattern.compile("model name\\s: (.)")
332	+	// .matcher(new String(
333	+	// java.nio.file.Files.readAllBytes(
334	+	// java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
335	+	// matcher.find();
336	+	// return matcher.group(1);
337	+	// } catch (Exception ex) { return null; }
338	+	// }
339	+
340	+	public void runBare() throws Throwable {
341	+	currentTestCase = this;
342	+	if (methodFilter == null
343	+	\|\| methodFilter.matcher(toString()).find())
344	+	super.runBare();
345	+	}
346	+
347		protected void runTest() throws Throwable {
348	<	if (profileTests)
349	<	runTestProfiled();
350	<	else
351	<	super.runTest();
348	>	for (int i = 0; i < runsPerTest; i++) {
349	>	// currentRun = i;
350	>	if (profileTests)
351	>	runTestProfiled();
352	>	else
353	>	super.runTest();
354	>	}
355		}
356
357		protected void runTestProfiled() throws Throwable {
358	<	long t0 = System.nanoTime();
359	<	try {
358	>	for (int i = 0; i < 2; i++) {
359	>	long startTime = System.nanoTime();
360		super.runTest();
361	<	} finally {
362	<	long elapsedMillis =
363	<	(System.nanoTime() - t0) / (1000L * 1000L);
364	<	if (elapsedMillis >= profileThreshold)
365	<	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
361	>	long elapsedMillis = millisElapsedSince(startTime);
362	>	if (elapsedMillis < profileThreshold)
363	>	break;
364	>	// Never report first run of any test; treat it as a
365	>	// warmup run, notably to trigger all needed classloading,
366	>	if (i > 0)
367	>	System.out.printf("%s: %d%n", toString(), elapsedMillis);
368		}
369		}
370
371		/**
372		* Runs all JSR166 unit tests using junit.textui.TestRunner.
152	–	* Optional command line arg provides the number of iterations to
153	–	* repeat running the tests.
373		*/
374		public static void main(String[] args) {
375	+	main(suite(), args);
376	+	}
377	+
378	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
379	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
380	+	long runTime;
381	+	public void startTest(Test test) {}
382	+	protected void printHeader(long runTime) {
383	+	this.runTime = runTime; // defer printing for later
384	+	}
385	+	protected void printFooter(TestResult result) {
386	+	if (result.wasSuccessful()) {
387	+	getWriter().println("OK (" + result.runCount() + " tests)"
388	+	+ " Time: " + elapsedTimeAsString(runTime));
389	+	} else {
390	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
391	+	super.printFooter(result);
392	+	}
393	+	}
394	+	}
395	+
396	+	/**
397	+	* Returns a TestRunner that doesn't bother with unnecessary
398	+	* fluff, like printing a "." for each test case.
399	+	*/
400	+	static junit.textui.TestRunner newPithyTestRunner() {
401	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
402	+	runner.setPrinter(new PithyResultPrinter(System.out));
403	+	return runner;
404	+	}
405	+
406	+	/**
407	+	* Runs all unit tests in the given test suite.
408	+	* Actual behavior influenced by jsr166.* system properties.
409	+	*/
410	+	static void main(Test suite, String[] args) {
411		if (useSecurityManager) {
412		System.err.println("Setting a permissive security manager");
413		Policy.setPolicy(permissivePolicy());
414		System.setSecurityManager(new SecurityManager());
415		}
416	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
417	<
418	<	Test s = suite();
419	<	for (int i = 0; i < iters; ++i) {
165	<	junit.textui.TestRunner.run(s);
416	>	for (int i = 0; i < suiteRuns; i++) {
417	>	TestResult result = newPithyTestRunner().doRun(suite);
418	>	if (!result.wasSuccessful())
419	>	System.exit(1);
420		System.gc();
421		System.runFinalization();
422		}
169	–	System.exit(0);
423		}
424
425		public static TestSuite newTestSuite(Object... suiteOrClasses) {
#	Line 182 \| Line 435 \| public class JSR166TestCase extends Test
435		return suite;
436		}
437
438	<	static void addTestReflectively(TestSuite suite, String testClassName) {
439	<	try {
440	<	Class klazz = Class.forName(testClassName);
441	<	Method m = klazz.getDeclaredMethod("suite", new Class<?>[0]);
442	<	suite.addTest(newTestSuite((Test)m.invoke(null)));
443	<	} catch (Exception e) {
444	<	throw new Error(e);
438	>	public static void addNamedTestClasses(TestSuite suite,
439	>	String... testClassNames) {
440	>	for (String testClassName : testClassNames) {
441	>	try {
442	>	Class<?> testClass = Class.forName(testClassName);
443	>	Method m = testClass.getDeclaredMethod("suite");
444	>	suite.addTest(newTestSuite((Test)m.invoke(null)));
445	>	} catch (ReflectiveOperationException e) {
446	>	throw new AssertionError("Missing test class", e);
447	>	}
448		}
449		}
450
451		public static final double JAVA_CLASS_VERSION;
452	+	public static final String JAVA_SPECIFICATION_VERSION;
453		static {
454		try {
455		JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
456		new java.security.PrivilegedAction<Double>() {
457		public Double run() {
458		return Double.valueOf(System.getProperty("java.class.version"));}});
459	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
460	+	new java.security.PrivilegedAction<String>() {
461	+	public String run() {
462	+	return System.getProperty("java.specification.version");}});
463		} catch (Throwable t) {
464		throw new Error(t);
465		}
466		}
467
468	<	public static boolean isAtLeastJdk6() { return JAVA_CLASS_VERSION >= 50.0; }
469	<	public static boolean isAtLeastJdk7() { return JAVA_CLASS_VERSION >= 51.0; }
470	<	public static boolean isAtLeastJdk8() { return JAVA_CLASS_VERSION >= 52.0; }
468	>	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
469	>	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
470	>	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
471	>	public static boolean atLeastJava9() { return JAVA_CLASS_VERSION >= 53.0; }
472	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
473	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
474	>	public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; }
475	>	public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; }
476	>	public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; }
477	>	public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; }
478	>	public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; }
479	>	public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; }
480
481		/**
482		* Collects all JSR166 unit tests as one suite.
483		*/
484		public static Test suite() {
485	+	// Java7+ test classes
486		TestSuite suite = newTestSuite(
487		ForkJoinPoolTest.suite(),
488		ForkJoinTaskTest.suite(),
#	Line 226 \| Line 497 \| public class JSR166TestCase extends Test
497		AbstractQueuedLongSynchronizerTest.suite(),
498		ArrayBlockingQueueTest.suite(),
499		ArrayDequeTest.suite(),
500	+	ArrayListTest.suite(),
501		AtomicBooleanTest.suite(),
502		AtomicIntegerArrayTest.suite(),
503		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 248 \| Line 520 \| public class JSR166TestCase extends Test
520		CopyOnWriteArrayListTest.suite(),
521		CopyOnWriteArraySetTest.suite(),
522		CountDownLatchTest.suite(),
523	+	CountedCompleterTest.suite(),
524		CyclicBarrierTest.suite(),
525		DelayQueueTest.suite(),
526		EntryTest.suite(),
#	Line 255 \| Line 528 \| public class JSR166TestCase extends Test
528		ExecutorsTest.suite(),
529		ExecutorCompletionServiceTest.suite(),
530		FutureTaskTest.suite(),
531	+	HashtableTest.suite(),
532		LinkedBlockingDequeTest.suite(),
533		LinkedBlockingQueueTest.suite(),
534		LinkedListTest.suite(),
#	Line 276 \| Line 550 \| public class JSR166TestCase extends Test
550		TreeMapTest.suite(),
551		TreeSetTest.suite(),
552		TreeSubMapTest.suite(),
553	<	TreeSubSetTest.suite());
554	<	if (isAtLeastJdk8()) {
555	<	addTestReflectively(suite, "StampedLockTest");
553	>	TreeSubSetTest.suite(),
554	>	VectorTest.suite());
555	>
556	>	// Java8+ test classes
557	>	if (atLeastJava8()) {
558	>	String[] java8TestClassNames = {
559	>	"ArrayDeque8Test",
560	>	"Atomic8Test",
561	>	"CompletableFutureTest",
562	>	"ConcurrentHashMap8Test",
563	>	"CountedCompleter8Test",
564	>	"DoubleAccumulatorTest",
565	>	"DoubleAdderTest",
566	>	"ForkJoinPool8Test",
567	>	"ForkJoinTask8Test",
568	>	"HashMapTest",
569	>	"LinkedBlockingDeque8Test",
570	>	"LinkedBlockingQueue8Test",
571	>	"LinkedHashMapTest",
572	>	"LongAccumulatorTest",
573	>	"LongAdderTest",
574	>	"SplittableRandomTest",
575	>	"StampedLockTest",
576	>	"SubmissionPublisherTest",
577	>	"ThreadLocalRandom8Test",
578	>	"TimeUnit8Test",
579	>	};
580	>	addNamedTestClasses(suite, java8TestClassNames);
581	>	}
582	>
583	>	// Java9+ test classes
584	>	if (atLeastJava9()) {
585	>	String[] java9TestClassNames = {
586	>	"AtomicBoolean9Test",
587	>	"AtomicInteger9Test",
588	>	"AtomicIntegerArray9Test",
589	>	"AtomicLong9Test",
590	>	"AtomicLongArray9Test",
591	>	"AtomicReference9Test",
592	>	"AtomicReferenceArray9Test",
593	>	"ExecutorCompletionService9Test",
594	>	"ForkJoinPool9Test",
595	>	};
596	>	addNamedTestClasses(suite, java9TestClassNames);
597		}
598	+
599		return suite;
600		}
601
602	+	/** Returns list of junit-style test method names in given class. */
603	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
604	+	Method[] methods = testClass.getDeclaredMethods();
605	+	ArrayList<String> names = new ArrayList<>(methods.length);
606	+	for (Method method : methods) {
607	+	if (method.getName().startsWith("test")
608	+	&& Modifier.isPublic(method.getModifiers())
609	+	// method.getParameterCount() requires jdk8+
610	+	&& method.getParameterTypes().length == 0) {
611	+	names.add(method.getName());
612	+	}
613	+	}
614	+	return names;
615	+	}
616	+
617	+	/**
618	+	* Returns junit-style testSuite for the given test class, but
619	+	* parameterized by passing extra data to each test.
620	+	*/
621	+	public static <ExtraData> Test parameterizedTestSuite
622	+	(Class<? extends JSR166TestCase> testClass,
623	+	Class<ExtraData> dataClass,
624	+	ExtraData data) {
625	+	try {
626	+	TestSuite suite = new TestSuite();
627	+	Constructor c =
628	+	testClass.getDeclaredConstructor(dataClass, String.class);
629	+	for (String methodName : testMethodNames(testClass))
630	+	suite.addTest((Test) c.newInstance(data, methodName));
631	+	return suite;
632	+	} catch (ReflectiveOperationException e) {
633	+	throw new AssertionError(e);
634	+	}
635	+	}
636	+
637	+	/**
638	+	* Returns junit-style testSuite for the jdk8 extension of the
639	+	* given test class, but parameterized by passing extra data to
640	+	* each test. Uses reflection to allow compilation in jdk7.
641	+	*/
642	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
643	+	(Class<? extends JSR166TestCase> testClass,
644	+	Class<ExtraData> dataClass,
645	+	ExtraData data) {
646	+	if (atLeastJava8()) {
647	+	String name = testClass.getName();
648	+	String name8 = name.replaceAll("Test$", "8Test");
649	+	if (name.equals(name8)) throw new AssertionError(name);
650	+	try {
651	+	return (Test)
652	+	Class.forName(name8)
653	+	.getMethod("testSuite", dataClass)
654	+	.invoke(null, data);
655	+	} catch (ReflectiveOperationException e) {
656	+	throw new AssertionError(e);
657	+	}
658	+	} else {
659	+	return new TestSuite();
660	+	}
661	+	}
662	+
663	+	// Delays for timing-dependent tests, in milliseconds.
664
665		public static long SHORT_DELAY_MS;
666		public static long SMALL_DELAY_MS;
667		public static long MEDIUM_DELAY_MS;
668		public static long LONG_DELAY_MS;
669
670	+	/**
671	+	* A delay significantly longer than LONG_DELAY_MS.
672	+	* Use this in a thread that is waited for via awaitTermination(Thread).
673	+	*/
674	+	public static long LONGER_DELAY_MS;
675	+
676	+	private static final long RANDOM_TIMEOUT;
677	+	private static final long RANDOM_EXPIRED_TIMEOUT;
678	+	private static final TimeUnit RANDOM_TIMEUNIT;
679	+	static {
680	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
681	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
682	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
683	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
684	+	TimeUnit[] timeUnits = TimeUnit.values();
685	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
686	+	}
687	+
688	+	/**
689	+	* Returns a timeout for use when any value at all will do.
690	+	*/
691	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
692	+
693	+	/**
694	+	* Returns a timeout that means "no waiting", i.e. not positive.
695	+	*/
696	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
697	+
698	+	/**
699	+	* Returns a random non-null TimeUnit.
700	+	*/
701	+	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
702
703		/**
704	<	* Returns the shortest timed delay. This could
705	<	* be reimplemented to use for example a Property.
704	>	* Returns a random boolean; a "coin flip".
705	>	*/
706	>	static boolean randomBoolean() {
707	>	return ThreadLocalRandom.current().nextBoolean();
708	>	}
709	>
710	>	/**
711	>	* Returns a random element from given choices.
712	>	*/
713	>	<T> T chooseRandomly(List<T> choices) {
714	>	return choices.get(ThreadLocalRandom.current().nextInt(choices.size()));
715	>	}
716	>
717	>	/**
718	>	* Returns a random element from given choices.
719	>	*/
720	>	@SuppressWarnings("unchecked")
721	>	<T> T chooseRandomly(T... choices) {
722	>	return choices[ThreadLocalRandom.current().nextInt(choices.length)];
723	>	}
724	>
725	>	/**
726	>	* Returns the shortest timed delay. This can be scaled up for
727	>	* slow machines using the jsr166.delay.factor system property,
728	>	* or via jtreg's -timeoutFactor: flag.
729	>	* http://openjdk.java.net/jtreg/command-help.html
730		*/
731		protected long getShortDelay() {
732	<	return 50;
732	>	return (long) (50 * delayFactor);
733		}
734
735		/**
#	Line 306 \| Line 740 \| public class JSR166TestCase extends Test
740		SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
741		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
742		LONG_DELAY_MS = SHORT_DELAY_MS * 200;
743	+	LONGER_DELAY_MS = 2 * LONG_DELAY_MS;
744		}
745
746	+	private static final long TIMEOUT_DELAY_MS
747	+	= (long) (12.0 * Math.cbrt(delayFactor));
748	+
749		/**
750	<	* Returns a timeout in milliseconds to be used in tests that
751	<	* verify that operations block or time out.
750	>	* Returns a timeout in milliseconds to be used in tests that verify
751	>	* that operations block or time out. We want this to be longer
752	>	* than the OS scheduling quantum, but not too long, so don't scale
753	>	* linearly with delayFactor; we use "crazy" cube root instead.
754		*/
755	<	long timeoutMillis() {
756	<	return SHORT_DELAY_MS / 4;
755	>	static long timeoutMillis() {
756	>	return TIMEOUT_DELAY_MS;
757		}
758
759		/**
760	<	* Returns a new Date instance representing a time delayMillis
761	<	* milliseconds in the future.
760	>	* Returns a new Date instance representing a time at least
761	>	* delayMillis milliseconds in the future.
762		*/
763		Date delayedDate(long delayMillis) {
764	<	return new Date(System.currentTimeMillis() + delayMillis);
764	>	// Add 1 because currentTimeMillis is known to round into the past.
765	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
766		}
767
768		/**
769		* The first exception encountered if any threadAssertXXX method fails.
770		*/
771		private final AtomicReference<Throwable> threadFailure
772	<	= new AtomicReference<Throwable>(null);
772	>	= new AtomicReference<>(null);
773
774		/**
775		* Records an exception so that it can be rethrown later in the test
#	Line 337 \| Line 778 \| public class JSR166TestCase extends Test
778		* the same test have no effect.
779		*/
780		public void threadRecordFailure(Throwable t) {
781	<	threadFailure.compareAndSet(null, t);
781	>	System.err.println(t);
782	>	if (threadFailure.compareAndSet(null, t))
783	>	dumpTestThreads();
784		}
785
786		public void setUp() {
787		setDelays();
788		}
789
790	+	void tearDownFail(String format, Object... args) {
791	+	String msg = toString() + ": " + String.format(format, args);
792	+	System.err.println(msg);
793	+	dumpTestThreads();
794	+	throw new AssertionError(msg);
795	+	}
796	+
797		/**
798		* Extra checks that get done for all test cases.
799		*
#	Line 362 \| Line 812 \| public class JSR166TestCase extends Test
812		throw (RuntimeException) t;
813		else if (t instanceof Exception)
814		throw (Exception) t;
815	<	else {
816	<	AssertionFailedError afe =
367	<	new AssertionFailedError(t.toString());
368	<	afe.initCause(t);
369	<	throw afe;
370	<	}
815	>	else
816	>	throw new AssertionError(t.toString(), t);
817		}
818
819		if (Thread.interrupted())
820	<	throw new AssertionFailedError("interrupt status set in main thread");
820	>	tearDownFail("interrupt status set in main thread");
821	>
822	>	checkForkJoinPoolThreadLeaks();
823	>	}
824	>
825	>	/**
826	>	* Finds missing PoolCleaners
827	>	*/
828	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
829	>	Thread[] survivors = new Thread[7];
830	>	int count = Thread.enumerate(survivors);
831	>	for (int i = 0; i < count; i++) {
832	>	Thread thread = survivors[i];
833	>	String name = thread.getName();
834	>	if (name.startsWith("ForkJoinPool-")) {
835	>	// give thread some time to terminate
836	>	thread.join(LONG_DELAY_MS);
837	>	if (thread.isAlive())
838	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
839	>	thread);
840	>	}
841	>	}
842	>
843	>	if (!ForkJoinPool.commonPool()
844	>	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
845	>	tearDownFail("ForkJoin common pool thread stuck");
846		}
847
848		/**
849		* Just like fail(reason), but additionally recording (using
850	<	* threadRecordFailure) any AssertionFailedError thrown, so that
851	<	* the current testcase will fail.
850	>	* threadRecordFailure) any AssertionError thrown, so that the
851	>	* current testcase will fail.
852		*/
853		public void threadFail(String reason) {
854		try {
855		fail(reason);
856	<	} catch (AssertionFailedError t) {
857	<	threadRecordFailure(t);
858	<	fail(reason);
856	>	} catch (AssertionError fail) {
857	>	threadRecordFailure(fail);
858	>	throw fail;
859		}
860		}
861
862		/**
863		* Just like assertTrue(b), but additionally recording (using
864	<	* threadRecordFailure) any AssertionFailedError thrown, so that
865	<	* the current testcase will fail.
864	>	* threadRecordFailure) any AssertionError thrown, so that the
865	>	* current testcase will fail.
866		*/
867		public void threadAssertTrue(boolean b) {
868		try {
869		assertTrue(b);
870	<	} catch (AssertionFailedError t) {
871	<	threadRecordFailure(t);
872	<	throw t;
870	>	} catch (AssertionError fail) {
871	>	threadRecordFailure(fail);
872	>	throw fail;
873		}
874		}
875
876		/**
877		* Just like assertFalse(b), but additionally recording (using
878	<	* threadRecordFailure) any AssertionFailedError thrown, so that
879	<	* the current testcase will fail.
878	>	* threadRecordFailure) any AssertionError thrown, so that the
879	>	* current testcase will fail.
880		*/
881		public void threadAssertFalse(boolean b) {
882		try {
883		assertFalse(b);
884	<	} catch (AssertionFailedError t) {
885	<	threadRecordFailure(t);
886	<	throw t;
884	>	} catch (AssertionError fail) {
885	>	threadRecordFailure(fail);
886	>	throw fail;
887		}
888		}
889
890		/**
891		* Just like assertNull(x), but additionally recording (using
892	<	* threadRecordFailure) any AssertionFailedError thrown, so that
893	<	* the current testcase will fail.
892	>	* threadRecordFailure) any AssertionError thrown, so that the
893	>	* current testcase will fail.
894		*/
895		public void threadAssertNull(Object x) {
896		try {
897		assertNull(x);
898	<	} catch (AssertionFailedError t) {
899	<	threadRecordFailure(t);
900	<	throw t;
898	>	} catch (AssertionError fail) {
899	>	threadRecordFailure(fail);
900	>	throw fail;
901		}
902		}
903
904		/**
905		* Just like assertEquals(x, y), but additionally recording (using
906	<	* threadRecordFailure) any AssertionFailedError thrown, so that
907	<	* the current testcase will fail.
906	>	* threadRecordFailure) any AssertionError thrown, so that the
907	>	* current testcase will fail.
908		*/
909		public void threadAssertEquals(long x, long y) {
910		try {
911		assertEquals(x, y);
912	<	} catch (AssertionFailedError t) {
913	<	threadRecordFailure(t);
914	<	throw t;
912	>	} catch (AssertionError fail) {
913	>	threadRecordFailure(fail);
914	>	throw fail;
915		}
916		}
917
918		/**
919		* Just like assertEquals(x, y), but additionally recording (using
920	<	* threadRecordFailure) any AssertionFailedError thrown, so that
921	<	* the current testcase will fail.
920	>	* threadRecordFailure) any AssertionError thrown, so that the
921	>	* current testcase will fail.
922		*/
923		public void threadAssertEquals(Object x, Object y) {
924		try {
925		assertEquals(x, y);
926	<	} catch (AssertionFailedError t) {
927	<	threadRecordFailure(t);
928	<	throw t;
929	<	} catch (Throwable t) {
930	<	threadUnexpectedException(t);
926	>	} catch (AssertionError fail) {
927	>	threadRecordFailure(fail);
928	>	throw fail;
929	>	} catch (Throwable fail) {
930	>	threadUnexpectedException(fail);
931		}
932		}
933
934		/**
935		* Just like assertSame(x, y), but additionally recording (using
936	<	* threadRecordFailure) any AssertionFailedError thrown, so that
937	<	* the current testcase will fail.
936	>	* threadRecordFailure) any AssertionError thrown, so that the
937	>	* current testcase will fail.
938		*/
939		public void threadAssertSame(Object x, Object y) {
940		try {
941		assertSame(x, y);
942	<	} catch (AssertionFailedError t) {
943	<	threadRecordFailure(t);
944	<	throw t;
942	>	} catch (AssertionError fail) {
943	>	threadRecordFailure(fail);
944	>	throw fail;
945		}
946		}
947
#	Line 490 \| Line 961 \| public class JSR166TestCase extends Test
961
962		/**
963		* Records the given exception using {@link #threadRecordFailure},
964	<	* then rethrows the exception, wrapping it in an
965	<	* AssertionFailedError if necessary.
964	>	* then rethrows the exception, wrapping it in an AssertionError
965	>	* if necessary.
966		*/
967		public void threadUnexpectedException(Throwable t) {
968		threadRecordFailure(t);
#	Line 500 \| Line 971 \| public class JSR166TestCase extends Test
971		throw (RuntimeException) t;
972		else if (t instanceof Error)
973		throw (Error) t;
974	<	else {
975	<	AssertionFailedError afe =
505	<	new AssertionFailedError("unexpected exception: " + t);
506	<	afe.initCause(t);
507	<	throw afe;
508	<	}
974	>	else
975	>	throw new AssertionError("unexpected exception: " + t, t);
976		}
977
978		/**
979		* Delays, via Thread.sleep, for the given millisecond delay, but
980		* if the sleep is shorter than specified, may re-sleep or yield
981	<	* until time elapses.
981	>	* until time elapses. Ensures that the given time, as measured
982	>	* by System.nanoTime(), has elapsed.
983		*/
984		static void delay(long millis) throws InterruptedException {
985	<	long startTime = System.nanoTime();
986	<	long ns = millis * 1000 * 1000;
987	<	for (;;) {
985	>	long nanos = millis * (1000 * 1000);
986	>	final long wakeupTime = System.nanoTime() + nanos;
987	>	do {
988		if (millis > 0L)
989		Thread.sleep(millis);
990		else // too short to sleep
991		Thread.yield();
992	<	long d = ns - (System.nanoTime() - startTime);
993	<	if (d > 0L)
994	<	millis = d / (1000 * 1000);
995	<	else
996	<	break;
992	>	nanos = wakeupTime - System.nanoTime();
993	>	millis = nanos / (1000 * 1000);
994	>	} while (nanos >= 0L);
995	>	}
996	>
997	>	/**
998	>	* Allows use of try-with-resources with per-test thread pools.
999	>	*/
1000	>	class PoolCleaner implements AutoCloseable {
1001	>	private final ExecutorService pool;
1002	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
1003	>	public void close() { joinPool(pool); }
1004	>	}
1005	>
1006	>	/**
1007	>	* An extension of PoolCleaner that has an action to release the pool.
1008	>	*/
1009	>	class PoolCleanerWithReleaser extends PoolCleaner {
1010	>	private final Runnable releaser;
1011	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
1012	>	super(pool);
1013	>	this.releaser = releaser;
1014		}
1015	+	public void close() {
1016	+	try {
1017	+	releaser.run();
1018	+	} finally {
1019	+	super.close();
1020	+	}
1021	+	}
1022	+	}
1023	+
1024	+	PoolCleaner cleaner(ExecutorService pool) {
1025	+	return new PoolCleaner(pool);
1026	+	}
1027	+
1028	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
1029	+	return new PoolCleanerWithReleaser(pool, releaser);
1030	+	}
1031	+
1032	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
1033	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
1034	+	}
1035	+
1036	+	Runnable releaser(final CountDownLatch latch) {
1037	+	return new Runnable() { public void run() {
1038	+	do { latch.countDown(); }
1039	+	while (latch.getCount() > 0);
1040	+	}};
1041	+	}
1042	+
1043	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
1044	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
1045	+	}
1046	+
1047	+	Runnable releaser(final AtomicBoolean flag) {
1048	+	return new Runnable() { public void run() { flag.set(true); }};
1049		}
1050
1051		/**
1052		* Waits out termination of a thread pool or fails doing so.
1053		*/
1054	<	void joinPool(ExecutorService exec) {
1054	>	void joinPool(ExecutorService pool) {
1055		try {
1056	<	exec.shutdown();
1057	<	assertTrue("ExecutorService did not terminate in a timely manner",
1058	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
1056	>	pool.shutdown();
1057	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
1058	>	try {
1059	>	threadFail("ExecutorService " + pool +
1060	>	" did not terminate in a timely manner");
1061	>	} finally {
1062	>	// last resort, for the benefit of subsequent tests
1063	>	pool.shutdownNow();
1064	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
1065	>	}
1066	>	}
1067		} catch (SecurityException ok) {
1068		// Allowed in case test doesn't have privs
1069	<	} catch (InterruptedException ie) {
1070	<	fail("Unexpected InterruptedException");
1069	>	} catch (InterruptedException fail) {
1070	>	threadFail("Unexpected InterruptedException");
1071		}
1072		}
1073
1074		/**
1075	<	* A debugging tool to print all stack traces, as jstack does.
1075	>	* Like Runnable, but with the freedom to throw anything.
1076	>	* junit folks had the same idea:
1077	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1078		*/
1079	<	static void printAllStackTraces() {
551	<	for (ThreadInfo info :
552	<	ManagementFactory.getThreadMXBean()
553	<	.dumpAllThreads(true, true))
554	<	System.err.print(info);
555	<	}
1079	>	interface Action { public void run() throws Throwable; }
1080
1081		/**
1082	<	* Checks that thread does not terminate within the default
1083	<	* millisecond delay of {@code timeoutMillis()}.
1082	>	* Runs all the given actions in parallel, failing if any fail.
1083	>	* Useful for running multiple variants of tests that are
1084	>	* necessarily individually slow because they must block.
1085		*/
1086	<	void assertThreadStaysAlive(Thread thread) {
1087	<	assertThreadStaysAlive(thread, timeoutMillis());
1086	>	void testInParallel(Action ... actions) {
1087	>	ExecutorService pool = Executors.newCachedThreadPool();
1088	>	try (PoolCleaner cleaner = cleaner(pool)) {
1089	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
1090	>	for (final Action action : actions)
1091	>	futures.add(pool.submit(new CheckedRunnable() {
1092	>	public void realRun() throws Throwable { action.run();}}));
1093	>	for (Future<?> future : futures)
1094	>	try {
1095	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
1096	>	} catch (ExecutionException ex) {
1097	>	threadUnexpectedException(ex.getCause());
1098	>	} catch (Exception ex) {
1099	>	threadUnexpectedException(ex);
1100	>	}
1101	>	}
1102	>	}
1103	>
1104	>	/** Returns true if thread info might be useful in a thread dump. */
1105	>	static boolean threadOfInterest(ThreadInfo info) {
1106	>	final String name = info.getThreadName();
1107	>	String lockName;
1108	>	if (name == null)
1109	>	return true;
1110	>	if (name.equals("Signal Dispatcher")
1111	>	\|\| name.equals("WedgedTestDetector"))
1112	>	return false;
1113	>	if (name.equals("Reference Handler")) {
1114	>	// Reference Handler stacktrace changed in JDK-8156500
1115	>	StackTraceElement[] stackTrace; String methodName;
1116	>	if ((stackTrace = info.getStackTrace()) != null
1117	>	&& stackTrace.length > 0
1118	>	&& (methodName = stackTrace[0].getMethodName()) != null
1119	>	&& methodName.equals("waitForReferencePendingList"))
1120	>	return false;
1121	>	// jdk8 Reference Handler stacktrace
1122	>	if ((lockName = info.getLockName()) != null
1123	>	&& lockName.startsWith("java.lang.ref"))
1124	>	return false;
1125	>	}
1126	>	if ((name.equals("Finalizer") \|\| name.equals("Common-Cleaner"))
1127	>	&& (lockName = info.getLockName()) != null
1128	>	&& lockName.startsWith("java.lang.ref"))
1129	>	return false;
1130	>	if (name.startsWith("ForkJoinPool.commonPool-worker")
1131	>	&& (lockName = info.getLockName()) != null
1132	>	&& lockName.startsWith("java.util.concurrent.ForkJoinPool"))
1133	>	return false;
1134	>	return true;
1135		}
1136
1137		/**
1138	<	* Checks that thread does not terminate within the given millisecond delay.
1138	>	* A debugging tool to print stack traces of most threads, as jstack does.
1139	>	* Uninteresting threads are filtered out.
1140		*/
1141	<	void assertThreadStaysAlive(Thread thread, long millis) {
1142	<	try {
1143	<	// No need to optimize the failing case via Thread.join.
1144	<	delay(millis);
1145	<	assertTrue(thread.isAlive());
1146	<	} catch (InterruptedException ie) {
1147	<	fail("Unexpected InterruptedException");
1141	>	static void dumpTestThreads() {
1142	>	SecurityManager sm = System.getSecurityManager();
1143	>	if (sm != null) {
1144	>	try {
1145	>	System.setSecurityManager(null);
1146	>	} catch (SecurityException giveUp) {
1147	>	return;
1148	>	}
1149		}
1150	+
1151	+	System.err.println("------ stacktrace dump start ------");
1152	+	for (ThreadInfo info : THREAD_MXBEAN.dumpAllThreads(true, true))
1153	+	if (threadOfInterest(info))
1154	+	System.err.print(info);
1155	+	System.err.println("------ stacktrace dump end ------");
1156	+
1157	+	if (sm != null) System.setSecurityManager(sm);
1158		}
1159
1160		/**
1161	<	* Checks that the threads do not terminate within the default
580	<	* millisecond delay of {@code timeoutMillis()}.
1161	>	* Checks that thread eventually enters the expected blocked thread state.
1162		*/
1163	<	void assertThreadsStayAlive(Thread... threads) {
1164	<	assertThreadsStayAlive(timeoutMillis(), threads);
1163	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1164	>	// always sleep at least 1 ms, with high probability avoiding
1165	>	// transitory states
1166	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1167	>	try { delay(1); }
1168	>	catch (InterruptedException fail) {
1169	>	throw new AssertionError("Unexpected InterruptedException", fail);
1170	>	}
1171	>	Thread.State s = thread.getState();
1172	>	if (s == expected)
1173	>	return;
1174	>	else if (s == Thread.State.TERMINATED)
1175	>	fail("Unexpected thread termination");
1176	>	}
1177	>	fail("timed out waiting for thread to enter thread state " + expected);
1178		}
1179
1180		/**
1181	<	* Checks that the threads do not terminate within the given millisecond delay.
1181	>	* Returns the thread's blocker's class name, if any, else null.
1182		*/
1183	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1184	<	try {
1185	<	// No need to optimize the failing case via Thread.join.
1186	<	delay(millis);
1187	<	for (Thread thread : threads)
1188	<	assertTrue(thread.isAlive());
595	<	} catch (InterruptedException ie) {
596	<	fail("Unexpected InterruptedException");
597	<	}
1183	>	String blockerClassName(Thread thread) {
1184	>	ThreadInfo threadInfo; LockInfo lockInfo;
1185	>	if ((threadInfo = THREAD_MXBEAN.getThreadInfo(thread.getId(), 0)) != null
1186	>	&& (lockInfo = threadInfo.getLockInfo()) != null)
1187	>	return lockInfo.getClassName();
1188	>	return null;
1189		}
1190
1191		/**
1192		* Checks that future.get times out, with the default timeout of
1193		* {@code timeoutMillis()}.
1194		*/
1195	<	void assertFutureTimesOut(Future future) {
1195	>	void assertFutureTimesOut(Future<?> future) {
1196		assertFutureTimesOut(future, timeoutMillis());
1197		}
1198
1199		/**
1200		* Checks that future.get times out, with the given millisecond timeout.
1201		*/
1202	<	void assertFutureTimesOut(Future future, long timeoutMillis) {
1202	>	void assertFutureTimesOut(Future<?> future, long timeoutMillis) {
1203		long startTime = System.nanoTime();
1204		try {
1205		future.get(timeoutMillis, MILLISECONDS);
1206		shouldThrow();
1207		} catch (TimeoutException success) {
1208	<	} catch (Exception e) {
1209	<	threadUnexpectedException(e);
1210	<	} finally { future.cancel(true); }
1208	>	} catch (Exception fail) {
1209	>	threadUnexpectedException(fail);
1210	>	}
1211		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1212	+	assertFalse(future.isDone());
1213		}
1214
1215		/**
#	Line 635 \| Line 1227 \| public class JSR166TestCase extends Test
1227		}
1228
1229		/**
1230	<	* The number of elements to place in collections, arrays, etc.
1230	>	* The maximum number of consecutive spurious wakeups we should
1231	>	* tolerate (from APIs like LockSupport.park) before failing a test.
1232		*/
1233	<	public static final int SIZE = 20;
641	<
642	<	// Some convenient Integer constants
1233	>	static final int MAX_SPURIOUS_WAKEUPS = 10;
1234
1235	<	public static final Integer zero = new Integer(0);
1236	<	public static final Integer one = new Integer(1);
1237	<	public static final Integer two = new Integer(2);
1238	<	public static final Integer three = new Integer(3);
1239	<	public static final Integer four = new Integer(4);
649	<	public static final Integer five = new Integer(5);
650	<	public static final Integer six = new Integer(6);
651	<	public static final Integer seven = new Integer(7);
652	<	public static final Integer eight = new Integer(8);
653	<	public static final Integer nine = new Integer(9);
654	<	public static final Integer m1 = new Integer(-1);
655	<	public static final Integer m2 = new Integer(-2);
656	<	public static final Integer m3 = new Integer(-3);
657	<	public static final Integer m4 = new Integer(-4);
658	<	public static final Integer m5 = new Integer(-5);
659	<	public static final Integer m6 = new Integer(-6);
660	<	public static final Integer m10 = new Integer(-10);
1235	>	/**
1236	>	* The number of elements to place in collections, arrays, etc.
1237	>	* Must be at least ten;
1238	>	*/
1239	>	public static final int SIZE = 32;
1240
1241	+	static Item[] seqItems(int size) {
1242	+	Item[] s = new Item[size];
1243	+	for (int i = 0; i < size; ++i)
1244	+	s[i] = new Item(i);
1245	+	return s;
1246	+	}
1247	+	static Item[] negativeSeqItems(int size) {
1248	+	Item[] s = new Item[size];
1249	+	for (int i = 0; i < size; ++i)
1250	+	s[i] = new Item(-i);
1251	+	return s;
1252	+	}
1253	+
1254	+	// Many tests rely on defaultItems all being sequential nonnegative
1255	+	public static final Item[] defaultItems = seqItems(SIZE);
1256	+
1257	+	static Item itemFor(int i) { // check cache for defaultItems
1258	+	Item[] items = defaultItems;
1259	+	return (i >= 0 && i < items.length) ? items[i] : new Item(i);
1260	+	}
1261	+
1262	+	public static final Item zero = defaultItems[0];
1263	+	public static final Item one = defaultItems[1];
1264	+	public static final Item two = defaultItems[2];
1265	+	public static final Item three = defaultItems[3];
1266	+	public static final Item four = defaultItems[4];
1267	+	public static final Item five = defaultItems[5];
1268	+	public static final Item six = defaultItems[6];
1269	+	public static final Item seven = defaultItems[7];
1270	+	public static final Item eight = defaultItems[8];
1271	+	public static final Item nine = defaultItems[9];
1272	+	public static final Item ten = defaultItems[10];
1273	+
1274	+	public static final Item[] negativeItems = negativeSeqItems(SIZE);
1275	+
1276	+	public static final Item minusOne = negativeItems[1];
1277	+	public static final Item minusTwo = negativeItems[2];
1278	+	public static final Item minusThree = negativeItems[3];
1279	+	public static final Item minusFour = negativeItems[4];
1280	+	public static final Item minusFive = negativeItems[5];
1281	+	public static final Item minusSix = negativeItems[6];
1282	+	public static final Item minusSeven = negativeItems[7];
1283	+	public static final Item minusEight = negativeItems[8];
1284	+	public static final Item minusNone = negativeItems[9];
1285	+	public static final Item minusTen = negativeItems[10];
1286	+
1287	+	// elements expected to be missing
1288	+	public static final Item fortytwo = new Item(42);
1289	+	public static final Item eightysix = new Item(86);
1290	+	public static final Item ninetynine = new Item(99);
1291	+
1292	+	// Interop across Item, int
1293	+
1294	+	static void mustEqual(Item x, Item y) {
1295	+	if (x != y)
1296	+	assertEquals(x.value, y.value);
1297	+	}
1298	+	static void mustEqual(Item x, int y) {
1299	+	assertEquals(x.value, y);
1300	+	}
1301	+	static void mustEqual(int x, Item y) {
1302	+	assertEquals(x, y.value);
1303	+	}
1304	+	static void mustEqual(int x, int y) {
1305	+	assertEquals(x, y);
1306	+	}
1307	+	static void mustEqual(Object x, Object y) {
1308	+	if (x != y)
1309	+	assertEquals(x, y);
1310	+	}
1311	+	static void mustEqual(int x, Object y) {
1312	+	if (y instanceof Item)
1313	+	assertEquals(x, ((Item)y).value);
1314	+	else fail();
1315	+	}
1316	+	static void mustEqual(Object x, int y) {
1317	+	if (x instanceof Item)
1318	+	assertEquals(((Item)x).value, y);
1319	+	else fail();
1320	+	}
1321	+	static void mustEqual(boolean x, boolean y) {
1322	+	assertEquals(x, y);
1323	+	}
1324	+	static void mustEqual(long x, long y) {
1325	+	assertEquals(x, y);
1326	+	}
1327	+	static void mustEqual(double x, double y) {
1328	+	assertEquals(x, y);
1329	+	}
1330	+	static void mustContain(Collection<Item> c, int i) {
1331	+	assertTrue(c.contains(itemFor(i)));
1332	+	}
1333	+	static void mustContain(Collection<Item> c, Item i) {
1334	+	assertTrue(c.contains(i));
1335	+	}
1336	+	static void mustNotContain(Collection<Item> c, int i) {
1337	+	assertFalse(c.contains(itemFor(i)));
1338	+	}
1339	+	static void mustNotContain(Collection<Item> c, Item i) {
1340	+	assertFalse(c.contains(i));
1341	+	}
1342	+	static void mustRemove(Collection<Item> c, int i) {
1343	+	assertTrue(c.remove(itemFor(i)));
1344	+	}
1345	+	static void mustRemove(Collection<Item> c, Item i) {
1346	+	assertTrue(c.remove(i));
1347	+	}
1348	+	static void mustNotRemove(Collection<Item> c, int i) {
1349	+	Item[] items = defaultItems;
1350	+	Item x = (i >= 0 && i < items.length) ? items[i] : new Item(i);
1351	+	assertFalse(c.remove(x));
1352	+	}
1353	+	static void mustNotRemove(Collection<Item> c, Item i) {
1354	+	assertFalse(c.remove(i));
1355	+	}
1356	+	static void mustAdd(Collection<Item> c, int i) {
1357	+	assertTrue(c.add(itemFor(i)));
1358	+	}
1359	+	static void mustAdd(Collection<Item> c, Item i) {
1360	+	assertTrue(c.add(i));
1361	+	}
1362	+	static void mustOffer(Queue<Item> c, int i) {
1363	+	assertTrue(c.offer(itemFor(i)));
1364	+	}
1365	+	static void mustOffer(Queue<Item> c, Item i) {
1366	+	assertTrue(c.offer(i));
1367	+	}
1368
1369		/**
1370		* Runs Runnable r with a security policy that permits precisely
#	Line 739 \| Line 1445 \| public class JSR166TestCase extends Test
1445		}
1446		public void refresh() {}
1447		public String toString() {
1448	<	List<Permission> ps = new ArrayList<Permission>();
1448	>	List<Permission> ps = new ArrayList<>();
1449		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1450		ps.add(e.nextElement());
1451		return "AdjustablePolicy with permissions " + ps;
#	Line 767 \| Line 1473 \| public class JSR166TestCase extends Test
1473
1474		/**
1475		* Sleeps until the given time has elapsed.
1476	<	* Throws AssertionFailedError if interrupted.
1476	>	* Throws AssertionError if interrupted.
1477		*/
1478	<	void sleep(long millis) {
1478	>	static void sleep(long millis) {
1479		try {
1480		delay(millis);
1481	<	} catch (InterruptedException ie) {
1482	<	AssertionFailedError afe =
777	<	new AssertionFailedError("Unexpected InterruptedException");
778	<	afe.initCause(ie);
779	<	throw afe;
1481	>	} catch (InterruptedException fail) {
1482	>	throw new AssertionError("Unexpected InterruptedException", fail);
1483		}
1484		}
1485
1486		/**
1487		* Spin-waits up to the specified number of milliseconds for the given
1488		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1489	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1490		*/
1491	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1492	<	long startTime = System.nanoTime();
1493	<	for (;;) {
1494	<	Thread.State s = thread.getState();
1495	<	if (s == Thread.State.BLOCKED \|\|
1496	<	s == Thread.State.WAITING \|\|
1497	<	s == Thread.State.TIMED_WAITING)
1498	<	return;
1499	<	else if (s == Thread.State.TERMINATED)
1491	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1492	>	Callable<Boolean> waitingForGodot) {
1493	>	for (long startTime = 0L;;) {
1494	>	switch (thread.getState()) {
1495	>	default: break;
1496	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1497	>	try {
1498	>	if (waitingForGodot == null \|\| waitingForGodot.call())
1499	>	return;
1500	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1501	>	break;
1502	>	case TERMINATED:
1503		fail("Unexpected thread termination");
1504	+	}
1505	+
1506	+	if (startTime == 0L)
1507	+	startTime = System.nanoTime();
1508		else if (millisElapsedSince(startTime) > timeoutMillis) {
1509	<	threadAssertTrue(thread.isAlive());
1510	<	return;
1509	>	assertTrue(thread.isAlive());
1510	>	if (waitingForGodot == null
1511	>	\|\| thread.getState() == Thread.State.RUNNABLE)
1512	>	fail("timed out waiting for thread to enter wait state");
1513	>	else
1514	>	fail("timed out waiting for condition, thread state="
1515	>	+ thread.getState());
1516		}
1517		Thread.yield();
1518		}
1519		}
1520
1521		/**
1522	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1523	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1522	>	* Spin-waits up to the specified number of milliseconds for the given
1523	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1524	>	*/
1525	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1526	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1527	>	}
1528	>
1529	>	/**
1530	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1531	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1532		*/
1533		void waitForThreadToEnterWaitState(Thread thread) {
1534	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1534	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1535	>	}
1536	>
1537	>	/**
1538	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1539	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1540	>	* and additionally satisfy the given condition.
1541	>	*/
1542	>	void waitForThreadToEnterWaitState(Thread thread,
1543	>	Callable<Boolean> waitingForGodot) {
1544	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1545	>	}
1546	>
1547	>	/**
1548	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to
1549	>	* be interrupted. Clears the interrupt status before returning.
1550	>	*/
1551	>	void awaitInterrupted() {
1552	>	for (long startTime = 0L; !Thread.interrupted(); ) {
1553	>	if (startTime == 0L)
1554	>	startTime = System.nanoTime();
1555	>	else if (millisElapsedSince(startTime) > LONG_DELAY_MS)
1556	>	fail("timed out waiting for thread interrupt");
1557	>	Thread.yield();
1558	>	}
1559		}
1560
1561		/**
1562		* Returns the number of milliseconds since time given by
1563		* startNanoTime, which must have been previously returned from a
1564	<	* call to {@link System.nanoTime()}.
1564	>	* call to {@link System#nanoTime()}.
1565		*/
1566	<	long millisElapsedSince(long startNanoTime) {
1566	>	static long millisElapsedSince(long startNanoTime) {
1567		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1568		}
1569
1570		/**
1571	+	* Checks that timed f.get() returns the expected value, and does not
1572	+	* wait for the timeout to elapse before returning.
1573	+	*/
1574	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1575	+	long startTime = System.nanoTime();
1576	+	T actual = null;
1577	+	try {
1578	+	actual = f.get(timeoutMillis, MILLISECONDS);
1579	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
1580	+	assertEquals(expectedValue, actual);
1581	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
1582	+	throw new AssertionError("timed get did not return promptly");
1583	+	}
1584	+
1585	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1586	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1587	+	}
1588	+
1589	+	/**
1590		* Returns a new started daemon Thread running the given runnable.
1591		*/
1592		Thread newStartedThread(Runnable runnable) {
#	Line 830 \| Line 1597 \| public class JSR166TestCase extends Test
1597		}
1598
1599		/**
1600	+	* Returns a new started daemon Thread running the given action,
1601	+	* wrapped in a CheckedRunnable.
1602	+	*/
1603	+	Thread newStartedThread(Action action) {
1604	+	return newStartedThread(checkedRunnable(action));
1605	+	}
1606	+
1607	+	/**
1608		* Waits for the specified time (in milliseconds) for the thread
1609		* to terminate (using {@link Thread#join(long)}), else interrupts
1610		* the thread (in the hope that it may terminate later) and fails.
1611		*/
1612	<	void awaitTermination(Thread t, long timeoutMillis) {
1612	>	void awaitTermination(Thread thread, long timeoutMillis) {
1613		try {
1614	<	t.join(timeoutMillis);
1615	<	} catch (InterruptedException ie) {
1616	<	threadUnexpectedException(ie);
1617	<	} finally {
1618	<	if (t.getState() != Thread.State.TERMINATED) {
1619	<	t.interrupt();
1620	<	fail("Test timed out");
1614	>	thread.join(timeoutMillis);
1615	>	} catch (InterruptedException fail) {
1616	>	threadUnexpectedException(fail);
1617	>	}
1618	>	if (thread.getState() != Thread.State.TERMINATED) {
1619	>	String detail = String.format(
1620	>	"timed out waiting for thread to terminate, thread=%s, state=%s" ,
1621	>	thread, thread.getState());
1622	>	try {
1623	>	threadFail(detail);
1624	>	} finally {
1625	>	// Interrupt thread __after__ having reported its stack trace
1626	>	thread.interrupt();
1627		}
1628		}
1629		}
#	Line 864 \| Line 1645 \| public class JSR166TestCase extends Test
1645		public final void run() {
1646		try {
1647		realRun();
1648	<	} catch (Throwable t) {
1649	<	threadUnexpectedException(t);
1648	>	} catch (Throwable fail) {
1649	>	threadUnexpectedException(fail);
1650		}
1651		}
1652		}
1653
1654	<	public abstract class RunnableShouldThrow implements Runnable {
1655	<	protected abstract void realRun() throws Throwable;
1656	<
1657	<	final Class<?> exceptionClass;
1658	<
878	<	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
879	<	this.exceptionClass = exceptionClass;
880	<	}
881	<
882	<	public final void run() {
883	<	try {
884	<	realRun();
885	<	threadShouldThrow(exceptionClass.getSimpleName());
886	<	} catch (Throwable t) {
887	<	if (! exceptionClass.isInstance(t))
888	<	threadUnexpectedException(t);
889	<	}
890	<	}
1654	>	Runnable checkedRunnable(Action action) {
1655	>	return new CheckedRunnable() {
1656	>	public void realRun() throws Throwable {
1657	>	action.run();
1658	>	}};
1659		}
1660
1661		public abstract class ThreadShouldThrow extends Thread {
#	Line 902 \| Line 1670 \| public class JSR166TestCase extends Test
1670		public final void run() {
1671		try {
1672		realRun();
905	–	threadShouldThrow(exceptionClass.getSimpleName());
1673		} catch (Throwable t) {
1674		if (! exceptionClass.isInstance(t))
1675		threadUnexpectedException(t);
1676	+	return;
1677		}
1678	+	threadShouldThrow(exceptionClass.getSimpleName());
1679		}
1680		}
1681
#	Line 916 \| Line 1685 \| public class JSR166TestCase extends Test
1685		public final void run() {
1686		try {
1687		realRun();
919	–	threadShouldThrow("InterruptedException");
1688		} catch (InterruptedException success) {
1689		threadAssertFalse(Thread.interrupted());
1690	<	} catch (Throwable t) {
1691	<	threadUnexpectedException(t);
1690	>	return;
1691	>	} catch (Throwable fail) {
1692	>	threadUnexpectedException(fail);
1693		}
1694	+	threadShouldThrow("InterruptedException");
1695		}
1696		}
1697
#	Line 931 \| Line 1701 \| public class JSR166TestCase extends Test
1701		public final T call() {
1702		try {
1703		return realCall();
1704	<	} catch (Throwable t) {
1705	<	threadUnexpectedException(t);
936	<	return null;
937	<	}
938	<	}
939	<	}
940	<
941	<	public abstract class CheckedInterruptedCallable<T>
942	<	implements Callable<T> {
943	<	protected abstract T realCall() throws Throwable;
944	<
945	<	public final T call() {
946	<	try {
947	<	T result = realCall();
948	<	threadShouldThrow("InterruptedException");
949	<	return result;
950	<	} catch (InterruptedException success) {
951	<	threadAssertFalse(Thread.interrupted());
952	<	} catch (Throwable t) {
953	<	threadUnexpectedException(t);
1704	>	} catch (Throwable fail) {
1705	>	threadUnexpectedException(fail);
1706		}
1707	<	return null;
1707	>	throw new AssertionError("unreached");
1708		}
1709		}
1710
#	Line 960 \| Line 1712 \| public class JSR166TestCase extends Test
1712		public void run() {}
1713		}
1714
1715	<	public static class NoOpCallable implements Callable {
1715	>	public static class NoOpCallable implements Callable<Object> {
1716		public Object call() { return Boolean.TRUE; }
1717		}
1718
1719		public static final String TEST_STRING = "a test string";
1720
1721		public static class StringTask implements Callable<String> {
1722	<	public String call() { return TEST_STRING; }
1722	>	final String value;
1723	>	public StringTask() { this(TEST_STRING); }
1724	>	public StringTask(String value) { this.value = value; }
1725	>	public String call() { return value; }
1726		}
1727
1728		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
#	Line 980 \| Line 1735 \| public class JSR166TestCase extends Test
1735		}};
1736		}
1737
1738	<	public Runnable awaiter(final CountDownLatch latch) {
1738	>	public Runnable countDowner(final CountDownLatch latch) {
1739		return new CheckedRunnable() {
1740		public void realRun() throws InterruptedException {
1741	<	await(latch);
1741	>	latch.countDown();
1742		}};
1743		}
1744
1745	+	class LatchAwaiter extends CheckedRunnable {
1746	+	static final int NEW = 0;
1747	+	static final int RUNNING = 1;
1748	+	static final int DONE = 2;
1749	+	final CountDownLatch latch;
1750	+	int state = NEW;
1751	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1752	+	public void realRun() throws InterruptedException {
1753	+	state = 1;
1754	+	await(latch);
1755	+	state = 2;
1756	+	}
1757	+	}
1758	+
1759	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1760	+	return new LatchAwaiter(latch);
1761	+	}
1762	+
1763	+	public void await(CountDownLatch latch, long timeoutMillis) {
1764	+	boolean timedOut = false;
1765	+	try {
1766	+	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1767	+	} catch (Throwable fail) {
1768	+	threadUnexpectedException(fail);
1769	+	}
1770	+	if (timedOut)
1771	+	fail("timed out waiting for CountDownLatch for "
1772	+	+ (timeoutMillis/1000) + " sec");
1773	+	}
1774	+
1775		public void await(CountDownLatch latch) {
1776	+	await(latch, LONG_DELAY_MS);
1777	+	}
1778	+
1779	+	public void await(Semaphore semaphore) {
1780	+	boolean timedOut = false;
1781		try {
1782	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1783	<	} catch (Throwable t) {
1784	<	threadUnexpectedException(t);
1782	>	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1783	>	} catch (Throwable fail) {
1784	>	threadUnexpectedException(fail);
1785		}
1786	+	if (timedOut)
1787	+	fail("timed out waiting for Semaphore for "
1788	+	+ (LONG_DELAY_MS/1000) + " sec");
1789		}
1790
1791	<	public void await(Semaphore semaphore) {
1791	>	public void await(CyclicBarrier barrier) {
1792		try {
1793	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1794	<	} catch (Throwable t) {
1795	<	threadUnexpectedException(t);
1793	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1794	>	} catch (Throwable fail) {
1795	>	threadUnexpectedException(fail);
1796		}
1797		}
1798
#	Line 1017 \| Line 1810 \| public class JSR166TestCase extends Test
1810		// long startTime = System.nanoTime();
1811		// while (!flag.get()) {
1812		// if (millisElapsedSince(startTime) > timeoutMillis)
1813	<	// throw new AssertionFailedError("timed out");
1813	>	// throw new AssertionError("timed out");
1814		// Thread.yield();
1815		// }
1816		// }
#	Line 1026 \| Line 1819 \| public class JSR166TestCase extends Test
1819		public String call() { throw new NullPointerException(); }
1820		}
1821
1029	–	public static class CallableOne implements Callable<Integer> {
1030	–	public Integer call() { return one; }
1031	–	}
1032	–
1033	–	public class ShortRunnable extends CheckedRunnable {
1034	–	protected void realRun() throws Throwable {
1035	–	delay(SHORT_DELAY_MS);
1036	–	}
1037	–	}
1038	–
1039	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1040	–	protected void realRun() throws InterruptedException {
1041	–	delay(SHORT_DELAY_MS);
1042	–	}
1043	–	}
1044	–
1045	–	public class SmallRunnable extends CheckedRunnable {
1046	–	protected void realRun() throws Throwable {
1047	–	delay(SMALL_DELAY_MS);
1048	–	}
1049	–	}
1050	–
1051	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1052	–	protected void realRun() {
1053	–	try {
1054	–	delay(SMALL_DELAY_MS);
1055	–	} catch (InterruptedException ok) {}
1056	–	}
1057	–	}
1058	–
1059	–	public class SmallCallable extends CheckedCallable {
1060	–	protected Object realCall() throws InterruptedException {
1061	–	delay(SMALL_DELAY_MS);
1062	–	return Boolean.TRUE;
1063	–	}
1064	–	}
1065	–
1066	–	public class MediumRunnable extends CheckedRunnable {
1067	–	protected void realRun() throws Throwable {
1068	–	delay(MEDIUM_DELAY_MS);
1069	–	}
1070	–	}
1071	–
1072	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1073	–	protected void realRun() throws InterruptedException {
1074	–	delay(MEDIUM_DELAY_MS);
1075	–	}
1076	–	}
1077	–
1822		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1823		return new CheckedRunnable() {
1824		protected void realRun() {
#	Line 1084 \| Line 1828 \| public class JSR166TestCase extends Test
1828		}};
1829		}
1830
1087	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1088	–	protected void realRun() {
1089	–	try {
1090	–	delay(MEDIUM_DELAY_MS);
1091	–	} catch (InterruptedException ok) {}
1092	–	}
1093	–	}
1094	–
1095	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1096	–	protected void realRun() {
1097	–	try {
1098	–	delay(LONG_DELAY_MS);
1099	–	} catch (InterruptedException ok) {}
1100	–	}
1101	–	}
1102	–
1831		/**
1832		* For use as ThreadFactory in constructors
1833		*/
#	Line 1113 \| Line 1841 \| public class JSR166TestCase extends Test
1841		boolean isDone();
1842		}
1843
1116	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1117	–	return new TrackedRunnable() {
1118	–	private volatile boolean done = false;
1119	–	public boolean isDone() { return done; }
1120	–	public void run() {
1121	–	try {
1122	–	delay(timeoutMillis);
1123	–	done = true;
1124	–	} catch (InterruptedException ok) {}
1125	–	}
1126	–	};
1127	–	}
1128	–
1129	–	public static class TrackedShortRunnable implements Runnable {
1130	–	public volatile boolean done = false;
1131	–	public void run() {
1132	–	try {
1133	–	delay(SHORT_DELAY_MS);
1134	–	done = true;
1135	–	} catch (InterruptedException ok) {}
1136	–	}
1137	–	}
1138	–
1139	–	public static class TrackedSmallRunnable implements Runnable {
1140	–	public volatile boolean done = false;
1141	–	public void run() {
1142	–	try {
1143	–	delay(SMALL_DELAY_MS);
1144	–	done = true;
1145	–	} catch (InterruptedException ok) {}
1146	–	}
1147	–	}
1148	–
1149	–	public static class TrackedMediumRunnable implements Runnable {
1150	–	public volatile boolean done = false;
1151	–	public void run() {
1152	–	try {
1153	–	delay(MEDIUM_DELAY_MS);
1154	–	done = true;
1155	–	} catch (InterruptedException ok) {}
1156	–	}
1157	–	}
1158	–
1159	–	public static class TrackedLongRunnable implements Runnable {
1160	–	public volatile boolean done = false;
1161	–	public void run() {
1162	–	try {
1163	–	delay(LONG_DELAY_MS);
1164	–	done = true;
1165	–	} catch (InterruptedException ok) {}
1166	–	}
1167	–	}
1168	–
1844		public static class TrackedNoOpRunnable implements Runnable {
1845		public volatile boolean done = false;
1846		public void run() {
#	Line 1173 \| Line 1848 \| public class JSR166TestCase extends Test
1848		}
1849		}
1850
1176	–	public static class TrackedCallable implements Callable {
1177	–	public volatile boolean done = false;
1178	–	public Object call() {
1179	–	try {
1180	–	delay(SMALL_DELAY_MS);
1181	–	done = true;
1182	–	} catch (InterruptedException ok) {}
1183	–	return Boolean.TRUE;
1184	–	}
1185	–	}
1186	–
1851		/**
1852		* Analog of CheckedRunnable for RecursiveAction
1853		*/
1854		public abstract class CheckedRecursiveAction extends RecursiveAction {
1855		protected abstract void realCompute() throws Throwable;
1856
1857	<	public final void compute() {
1857	>	@Override protected final void compute() {
1858		try {
1859		realCompute();
1860	<	} catch (Throwable t) {
1861	<	threadUnexpectedException(t);
1860	>	} catch (Throwable fail) {
1861	>	threadUnexpectedException(fail);
1862		}
1863		}
1864		}
#	Line 1205 \| Line 1869 \| public class JSR166TestCase extends Test
1869		public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1870		protected abstract T realCompute() throws Throwable;
1871
1872	<	public final T compute() {
1872	>	@Override protected final T compute() {
1873		try {
1874		return realCompute();
1875	<	} catch (Throwable t) {
1876	<	threadUnexpectedException(t);
1213	<	return null;
1875	>	} catch (Throwable fail) {
1876	>	threadUnexpectedException(fail);
1877		}
1878	+	throw new AssertionError("unreached");
1879		}
1880		}
1881
#	Line 1225 \| Line 1889 \| public class JSR166TestCase extends Test
1889
1890		/**
1891		* A CyclicBarrier that uses timed await and fails with
1892	<	* AssertionFailedErrors instead of throwing checked exceptions.
1892	>	* AssertionErrors instead of throwing checked exceptions.
1893		*/
1894	<	public class CheckedBarrier extends CyclicBarrier {
1894	>	public static class CheckedBarrier extends CyclicBarrier {
1895		public CheckedBarrier(int parties) { super(parties); }
1896
1897		public int await() {
1898		try {
1899	<	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1900	<	} catch (TimeoutException e) {
1901	<	throw new AssertionFailedError("timed out");
1902	<	} catch (Exception e) {
1903	<	AssertionFailedError afe =
1240	<	new AssertionFailedError("Unexpected exception: " + e);
1241	<	afe.initCause(e);
1242	<	throw afe;
1899	>	return super.await(LONGER_DELAY_MS, MILLISECONDS);
1900	>	} catch (TimeoutException timedOut) {
1901	>	throw new AssertionError("timed out");
1902	>	} catch (Exception fail) {
1903	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1904		}
1905		}
1906		}
1907
1908	<	void checkEmpty(BlockingQueue q) {
1908	>	void checkEmpty(BlockingQueue<?> q) {
1909		try {
1910		assertTrue(q.isEmpty());
1911		assertEquals(0, q.size());
1912		assertNull(q.peek());
1913		assertNull(q.poll());
1914	<	assertNull(q.poll(0, MILLISECONDS));
1914	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1915		assertEquals(q.toString(), "[]");
1916		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1917		assertFalse(q.iterator().hasNext());
#	Line 1266 \| Line 1927 \| public class JSR166TestCase extends Test
1927		q.remove();
1928		shouldThrow();
1929		} catch (NoSuchElementException success) {}
1930	<	} catch (InterruptedException ie) {
1270	<	threadUnexpectedException(ie);
1271	<	}
1930	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1931		}
1932
1933		void assertSerialEquals(Object x, Object y) {
#	Line 1287 \| Line 1946 \| public class JSR166TestCase extends Test
1946		oos.flush();
1947		oos.close();
1948		return bos.toByteArray();
1949	<	} catch (Throwable t) {
1950	<	threadUnexpectedException(t);
1949	>	} catch (Throwable fail) {
1950	>	threadUnexpectedException(fail);
1951		return new byte[0];
1952		}
1953		}
1954
1955		@SuppressWarnings("unchecked")
1956	+	void assertImmutable(Object o) {
1957	+	if (o instanceof Collection) {
1958	+	assertThrows(
1959	+	UnsupportedOperationException.class,
1960	+	() -> ((Collection) o).add(null));
1961	+	}
1962	+	}
1963	+
1964	+	@SuppressWarnings("unchecked")
1965		<T> T serialClone(T o) {
1966	+	T clone = null;
1967		try {
1968		ObjectInputStream ois = new ObjectInputStream
1969		(new ByteArrayInputStream(serialBytes(o)));
1970	<	T clone = (T) ois.readObject();
1971	<	assertSame(o.getClass(), clone.getClass());
1972	<	return clone;
1973	<	} catch (Throwable t) {
1974	<	threadUnexpectedException(t);
1970	>	clone = (T) ois.readObject();
1971	>	} catch (Throwable fail) {
1972	>	threadUnexpectedException(fail);
1973	>	}
1974	>	if (o == clone) assertImmutable(o);
1975	>	else assertSame(o.getClass(), clone.getClass());
1976	>	return clone;
1977	>	}
1978	>
1979	>	/**
1980	>	* A version of serialClone that leaves error handling (for
1981	>	* e.g. NotSerializableException) up to the caller.
1982	>	*/
1983	>	@SuppressWarnings("unchecked")
1984	>	<T> T serialClonePossiblyFailing(T o)
1985	>	throws ReflectiveOperationException, java.io.IOException {
1986	>	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1987	>	ObjectOutputStream oos = new ObjectOutputStream(bos);
1988	>	oos.writeObject(o);
1989	>	oos.flush();
1990	>	oos.close();
1991	>	ObjectInputStream ois = new ObjectInputStream
1992	>	(new ByteArrayInputStream(bos.toByteArray()));
1993	>	T clone = (T) ois.readObject();
1994	>	if (o == clone) assertImmutable(o);
1995	>	else assertSame(o.getClass(), clone.getClass());
1996	>	return clone;
1997	>	}
1998	>
1999	>	/**
2000	>	* If o implements Cloneable and has a public clone method,
2001	>	* returns a clone of o, else null.
2002	>	*/
2003	>	@SuppressWarnings("unchecked")
2004	>	<T> T cloneableClone(T o) {
2005	>	if (!(o instanceof Cloneable)) return null;
2006	>	final T clone;
2007	>	try {
2008	>	clone = (T) o.getClass().getMethod("clone").invoke(o);
2009	>	} catch (NoSuchMethodException ok) {
2010		return null;
2011	+	} catch (ReflectiveOperationException unexpected) {
2012	+	throw new Error(unexpected);
2013	+	}
2014	+	assertNotSame(o, clone); // not 100% guaranteed by spec
2015	+	assertSame(o.getClass(), clone.getClass());
2016	+	return clone;
2017	+	}
2018	+
2019	+	public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
2020	+	Action... throwingActions) {
2021	+	for (Action throwingAction : throwingActions) {
2022	+	boolean threw = false;
2023	+	try { throwingAction.run(); }
2024	+	catch (Throwable t) {
2025	+	threw = true;
2026	+	if (!expectedExceptionClass.isInstance(t))
2027	+	throw new AssertionError(
2028	+	"Expected " + expectedExceptionClass.getName() +
2029	+	", got " + t.getClass().getName(),
2030	+	t);
2031	+	}
2032	+	if (!threw)
2033	+	shouldThrow(expectedExceptionClass.getName());
2034	+	}
2035	+	}
2036	+
2037	+	public void assertIteratorExhausted(Iterator<?> it) {
2038	+	try {
2039	+	it.next();
2040	+	shouldThrow();
2041	+	} catch (NoSuchElementException success) {}
2042	+	assertFalse(it.hasNext());
2043	+	}
2044	+
2045	+	public <T> Callable<T> callableThrowing(final Exception ex) {
2046	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
2047	+	}
2048	+
2049	+	public Runnable runnableThrowing(final RuntimeException ex) {
2050	+	return new Runnable() { public void run() { throw ex; }};
2051	+	}
2052	+
2053	+	/** A reusable thread pool to be shared by tests. */
2054	+	static final ExecutorService cachedThreadPool =
2055	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
2056	+	1000L, MILLISECONDS,
2057	+	new SynchronousQueue<Runnable>());
2058	+
2059	+	static <T> void shuffle(T[] array) {
2060	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
2061	+	}
2062	+
2063	+	/**
2064	+	* Returns the same String as would be returned by {@link
2065	+	* Object#toString}, whether or not the given object's class
2066	+	* overrides toString().
2067	+	*
2068	+	* @see System#identityHashCode
2069	+	*/
2070	+	static String identityString(Object x) {
2071	+	return x.getClass().getName()
2072	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
2073	+	}
2074	+
2075	+	// --- Shared assertions for Executor tests ---
2076	+
2077	+	/**
2078	+	* Returns maximum number of tasks that can be submitted to given
2079	+	* pool (with bounded queue) before saturation (when submission
2080	+	* throws RejectedExecutionException).
2081	+	*/
2082	+	static final int saturatedSize(ThreadPoolExecutor pool) {
2083	+	BlockingQueue<Runnable> q = pool.getQueue();
2084	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
2085	+	}
2086	+
2087	+	@SuppressWarnings("FutureReturnValueIgnored")
2088	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
2089	+	try {
2090	+	e.execute((Runnable) null);
2091	+	shouldThrow();
2092	+	} catch (NullPointerException success) {}
2093	+
2094	+	if (! (e instanceof ExecutorService)) return;
2095	+	ExecutorService es = (ExecutorService) e;
2096	+	try {
2097	+	es.submit((Runnable) null);
2098	+	shouldThrow();
2099	+	} catch (NullPointerException success) {}
2100	+	try {
2101	+	es.submit((Runnable) null, Boolean.TRUE);
2102	+	shouldThrow();
2103	+	} catch (NullPointerException success) {}
2104	+	try {
2105	+	es.submit((Callable<?>) null);
2106	+	shouldThrow();
2107	+	} catch (NullPointerException success) {}
2108	+
2109	+	if (! (e instanceof ScheduledExecutorService)) return;
2110	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
2111	+	try {
2112	+	ses.schedule((Runnable) null,
2113	+	randomTimeout(), randomTimeUnit());
2114	+	shouldThrow();
2115	+	} catch (NullPointerException success) {}
2116	+	try {
2117	+	ses.schedule((Callable<?>) null,
2118	+	randomTimeout(), randomTimeUnit());
2119	+	shouldThrow();
2120	+	} catch (NullPointerException success) {}
2121	+	try {
2122	+	ses.scheduleAtFixedRate((Runnable) null,
2123	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2124	+	shouldThrow();
2125	+	} catch (NullPointerException success) {}
2126	+	try {
2127	+	ses.scheduleWithFixedDelay((Runnable) null,
2128	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2129	+	shouldThrow();
2130	+	} catch (NullPointerException success) {}
2131	+	}
2132	+
2133	+	void setRejectedExecutionHandler(
2134	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
2135	+	p.setRejectedExecutionHandler(handler);
2136	+	assertSame(handler, p.getRejectedExecutionHandler());
2137	+	}
2138	+
2139	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
2140	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
2141	+	final long savedTaskCount = p.getTaskCount();
2142	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
2143	+	final int savedQueueSize = p.getQueue().size();
2144	+	final boolean stock = (p.getClass().getClassLoader() == null);
2145	+
2146	+	Runnable r = () -> {};
2147	+	Callable<Boolean> c = () -> Boolean.TRUE;
2148	+
2149	+	class Recorder implements RejectedExecutionHandler {
2150	+	public volatile Runnable r = null;
2151	+	public volatile ThreadPoolExecutor p = null;
2152	+	public void reset() { r = null; p = null; }
2153	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
2154	+	assertNull(this.r);
2155	+	assertNull(this.p);
2156	+	this.r = r;
2157	+	this.p = p;
2158	+	}
2159	+	}
2160	+
2161	+	// check custom handler is invoked exactly once per task
2162	+	Recorder recorder = new Recorder();
2163	+	setRejectedExecutionHandler(p, recorder);
2164	+	for (int i = 2; i--> 0; ) {
2165	+	recorder.reset();
2166	+	p.execute(r);
2167	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2168	+	assertSame(r, recorder.r);
2169	+	assertSame(p, recorder.p);
2170	+
2171	+	recorder.reset();
2172	+	assertFalse(p.submit(r).isDone());
2173	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2174	+	assertSame(p, recorder.p);
2175	+
2176	+	recorder.reset();
2177	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2178	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2179	+	assertSame(p, recorder.p);
2180	+
2181	+	recorder.reset();
2182	+	assertFalse(p.submit(c).isDone());
2183	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2184	+	assertSame(p, recorder.p);
2185	+
2186	+	if (p instanceof ScheduledExecutorService) {
2187	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2188	+	ScheduledFuture<?> future;
2189	+
2190	+	recorder.reset();
2191	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2192	+	assertFalse(future.isDone());
2193	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2194	+	assertSame(p, recorder.p);
2195	+
2196	+	recorder.reset();
2197	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2198	+	assertFalse(future.isDone());
2199	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2200	+	assertSame(p, recorder.p);
2201	+
2202	+	recorder.reset();
2203	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2204	+	assertFalse(future.isDone());
2205	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2206	+	assertSame(p, recorder.p);
2207	+
2208	+	recorder.reset();
2209	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2210	+	assertFalse(future.isDone());
2211	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2212	+	assertSame(p, recorder.p);
2213	+	}
2214	+	}
2215	+
2216	+	// Checking our custom handler above should be sufficient, but
2217	+	// we add some integration tests of standard handlers.
2218	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2219	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2220	+
2221	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2222	+	try {
2223	+	p.execute(setThread);
2224	+	shouldThrow();
2225	+	} catch (RejectedExecutionException success) {}
2226	+	assertNull(thread.get());
2227	+
2228	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2229	+	p.execute(setThread);
2230	+	assertNull(thread.get());
2231	+
2232	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2233	+	p.execute(setThread);
2234	+	if (p.isShutdown())
2235	+	assertNull(thread.get());
2236	+	else
2237	+	assertSame(Thread.currentThread(), thread.get());
2238	+
2239	+	setRejectedExecutionHandler(p, savedHandler);
2240	+
2241	+	// check that pool was not perturbed by handlers
2242	+	assertEquals(savedTaskCount, p.getTaskCount());
2243	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2244	+	assertEquals(savedQueueSize, p.getQueue().size());
2245	+	}
2246	+
2247	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2248	+	assertEquals(x, y);
2249	+	assertEquals(y, x);
2250	+	assertEquals(x.isEmpty(), y.isEmpty());
2251	+	assertEquals(x.size(), y.size());
2252	+	if (x instanceof List) {
2253	+	assertEquals(x.toString(), y.toString());
2254	+	}
2255	+	if (x instanceof List \|\| x instanceof Set) {
2256	+	assertEquals(x.hashCode(), y.hashCode());
2257	+	}
2258	+	if (x instanceof List \|\| x instanceof Deque) {
2259	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2260	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2261	+	y.toArray(new Object[0])));
2262	+	}
2263	+	}
2264	+
2265	+	/**
2266	+	* A weaker form of assertCollectionsEquals which does not insist
2267	+	* that the two collections satisfy Object#equals(Object), since
2268	+	* they may use identity semantics as Deques do.
2269	+	*/
2270	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2271	+	if (x instanceof List \|\| x instanceof Set)
2272	+	assertCollectionsEquals(x, y);
2273	+	else {
2274	+	assertEquals(x.isEmpty(), y.isEmpty());
2275	+	assertEquals(x.size(), y.size());
2276	+	assertEquals(new HashSet<Object>(x), new HashSet<Object>(y));
2277	+	if (x instanceof Deque) {
2278	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2279	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2280	+	y.toArray(new Object[0])));
2281	+	}
2282		}
2283		}
2284		}

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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents): Revision 1.97 by jsr166, Fri Feb 1 19:07:36 2013 UTC vs. Revision 1.272 by dl, Tue Jan 26 13:33:06 2021 UTC

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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.97 by jsr166, Fri Feb 1 19:07:36 2013 UTC vs.
Revision 1.272 by dl, Tue Jan 26 13:33:06 2021 UTC