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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.109 by jsr166, Sun Jul 14 16:55:01 2013 UTC vs.
Revision 1.274 by dl, Tue Mar 22 16:26:19 2022 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	>	* Class Item is used for elements of collections and related
155	>	* purposes. Many tests rely on their 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
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		*/
197		public class JSR166TestCase extends TestCase {
198	+	// No longer run with custom securityManagers
199		private static final boolean useSecurityManager =
200	<	Boolean.getBoolean("jsr166.useSecurityManager");
200	>	Boolean.getBoolean("jsr166.useSecurityManager");
201
202		protected static final boolean expensiveTests =
203		Boolean.getBoolean("jsr166.expensiveTests");
204
205		/**
206	+	* If true, also run tests that are not part of the official tck
207	+	* because they test unspecified implementation details.
208	+	*/
209	+	protected static final boolean testImplementationDetails =
210	+	Boolean.getBoolean("jsr166.testImplementationDetails");
211	+
212	+	/**
213		* If true, report on stdout all "slow" tests, that is, ones that
214		* take more than profileThreshold milliseconds to execute.
215		*/
#	Line 134 | Line 229 | public class JSR166TestCase extends Test
229		private static final int runsPerTest =
230		Integer.getInteger("jsr166.runsPerTest", 1);
231
232	+	/**
233	+	* The number of repetitions of the test suite (for finding leaks?).
234	+	*/
235	+	private static final int suiteRuns =
236	+	Integer.getInteger("jsr166.suiteRuns", 1);
237	+
238	+	/**
239	+	* Returns the value of the system property, or NaN if not defined.
240	+	*/
241	+	private static float systemPropertyValue(String name) {
242	+	String floatString = System.getProperty(name);
243	+	if (floatString == null)
244	+	return Float.NaN;
245	+	try {
246	+	return Float.parseFloat(floatString);
247	+	} catch (NumberFormatException ex) {
248	+	throw new IllegalArgumentException(
249	+	String.format("Bad float value in system property %s=%s",
250	+	name, floatString));
251	+	}
252	+	}
253	+
254	+	private static final ThreadMXBean THREAD_MXBEAN
255	+	= ManagementFactory.getThreadMXBean();
256	+
257	+	/**
258	+	* The scaling factor to apply to standard delays used in tests.
259	+	* May be initialized from any of:
260	+	* - the "jsr166.delay.factor" system property
261	+	* - the "test.timeout.factor" system property (as used by jtreg)
262	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
263	+	* - hard-coded fuzz factor when using a known slowpoke VM
264	+	*/
265	+	private static final float delayFactor = delayFactor();
266	+
267	+	private static float delayFactor() {
268	+	float x;
269	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
270	+	return x;
271	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
272	+	return x;
273	+	String prop = System.getProperty("java.vm.version");
274	+	if (prop != null && prop.matches(".*debug.*"))
275	+	return 4.0f; // How much slower is fastdebug than product?!
276	+	return 1.0f;
277	+	}
278	+
279	+	public JSR166TestCase() { super(); }
280	+	public JSR166TestCase(String name) { super(name); }
281	+
282	+	/**
283	+	* A filter for tests to run, matching strings of the form
284	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
285	+	* Usefully combined with jsr166.runsPerTest.
286	+	*/
287	+	private static final Pattern methodFilter = methodFilter();
288	+
289	+	private static Pattern methodFilter() {
290	+	String regex = System.getProperty("jsr166.methodFilter");
291	+	return (regex == null) ? null : Pattern.compile(regex);
292	+	}
293	+
294	+	// Instrumentation to debug very rare, but very annoying hung test runs.
295	+	static volatile TestCase currentTestCase;
296	+	// static volatile int currentRun = 0;
297	+	static {
298	+	Runnable wedgedTestDetector = new Runnable() { public void run() {
299	+	// Avoid spurious reports with enormous runsPerTest.
300	+	// A single test case run should never take more than 1 second.
301	+	// But let's cap it at the high end too ...
302	+	final int timeoutMinutesMin = Math.max(runsPerTest / 60, 1)
303	+	* Math.max((int) delayFactor, 1);
304	+	final int timeoutMinutes = Math.min(15, timeoutMinutesMin);
305	+	for (TestCase lastTestCase = currentTestCase;;) {
306	+	try { MINUTES.sleep(timeoutMinutes); }
307	+	catch (InterruptedException unexpected) { break; }
308	+	if (lastTestCase == currentTestCase) {
309	+	System.err.printf(
310	+	"Looks like we're stuck running test: %s%n",
311	+	lastTestCase);
312	+	//                     System.err.printf(
313	+	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
314	+	//                         lastTestCase, currentRun, runsPerTest);
315	+	//                     System.err.println("availableProcessors=" +
316	+	//                         Runtime.getRuntime().availableProcessors());
317	+	//                     System.err.printf("cpu model = %s%n", cpuModel());
318	+	dumpTestThreads();
319	+	// one stack dump is probably enough; more would be spam
320	+	break;
321	+	}
322	+	lastTestCase = currentTestCase;
323	+	}}};
324	+	Thread thread = new Thread(wedgedTestDetector, "WedgedTestDetector");
325	+	thread.setDaemon(true);
326	+	thread.start();
327	+	}
328	+
329	+	//     public static String cpuModel() {
330	+	//         try {
331	+	//             java.util.regex.Matcher matcher
332	+	//               = Pattern.compile("model name\\s*: (.*)")
333	+	//                 .matcher(new String(
334	+	//                     java.nio.file.Files.readAllBytes(
335	+	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
336	+	//             matcher.find();
337	+	//             return matcher.group(1);
338	+	//         } catch (Exception ex) { return null; }
339	+	//     }
340	+
341	+	public void runBare() throws Throwable {
342	+	currentTestCase = this;
343	+	if (methodFilter == null
344	+	|| methodFilter.matcher(toString()).find())
345	+	super.runBare();
346	+	}
347	+
348		protected void runTest() throws Throwable {
349		for (int i = 0; i < runsPerTest; i++) {
350	+	// currentRun = i;
351		if (profileTests)
352		runTestProfiled();
353		else
#	Line 144 | Line 356 | public class JSR166TestCase extends Test
356		}
357
358		protected void runTestProfiled() throws Throwable {
359	<	long t0 = System.nanoTime();
360	<	try {
359	>	for (int i = 0; i < 2; i++) {
360	>	long startTime = System.nanoTime();
361		super.runTest();
362	<	} finally {
363	<	long elapsedMillis =
364	<	(System.nanoTime() - t0) / (1000L * 1000L);
365	<	if (elapsedMillis >= profileThreshold)
366	<	System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
362	>	long elapsedMillis = millisElapsedSince(startTime);
363	>	if (elapsedMillis < profileThreshold)
364	>	break;
365	>	// Never report first run of any test; treat it as a
366	>	// warmup run, notably to trigger all needed classloading,
367	>	if (i > 0)
368	>	System.out.printf("%s: %d%n", toString(), elapsedMillis);
369		}
370		}
371
372		/**
373		* Runs all JSR166 unit tests using junit.textui.TestRunner.
160	–	* Optional command line arg provides the number of iterations to
161	–	* repeat running the tests.
374		*/
375		public static void main(String[] args) {
376	+	main(suite(), args);
377	+	}
378	+
379	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
380	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
381	+	long runTime;
382	+	public void startTest(Test test) {}
383	+	protected void printHeader(long runTime) {
384	+	this.runTime = runTime; // defer printing for later
385	+	}
386	+	protected void printFooter(TestResult result) {
387	+	if (result.wasSuccessful()) {
388	+	getWriter().println("OK (" + result.runCount() + " tests)"
389	+	+ "  Time: " + elapsedTimeAsString(runTime));
390	+	} else {
391	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
392	+	super.printFooter(result);
393	+	}
394	+	}
395	+	}
396	+
397	+	/**
398	+	* Returns a TestRunner that doesn't bother with unnecessary
399	+	* fluff, like printing a "." for each test case.
400	+	*/
401	+	static junit.textui.TestRunner newPithyTestRunner() {
402	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
403	+	runner.setPrinter(new PithyResultPrinter(System.out));
404	+	return runner;
405	+	}
406	+
407	+	/**
408	+	* Runs all unit tests in the given test suite.
409	+	* Actual behavior influenced by jsr166.* system properties.
410	+	*/
411	+	@SuppressWarnings("removal")
412	+	static void main(Test suite, String[] args) {
413		if (useSecurityManager) {
414		System.err.println("Setting a permissive security manager");
415		Policy.setPolicy(permissivePolicy());
416		System.setSecurityManager(new SecurityManager());
417		}
418	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
419	<
420	<	Test s = suite();
421	<	for (int i = 0; i < iters; ++i) {
173	<	junit.textui.TestRunner.run(s);
418	>	for (int i = 0; i < suiteRuns; i++) {
419	>	TestResult result = newPithyTestRunner().doRun(suite);
420	>	if (!result.wasSuccessful())
421	>	System.exit(1);
422		System.gc();
423		System.runFinalization();
424		}
177	–	System.exit(0);
425		}
426
427		public static TestSuite newTestSuite(Object... suiteOrClasses) {
#	Line 195 | Line 442 | public class JSR166TestCase extends Test
442		for (String testClassName : testClassNames) {
443		try {
444		Class<?> testClass = Class.forName(testClassName);
445	<	Method m = testClass.getDeclaredMethod("suite",
199	<	new Class<?>[0]);
445	>	Method m = testClass.getDeclaredMethod("suite");
446		suite.addTest(newTestSuite((Test)m.invoke(null)));
447	<	} catch (Exception e) {
448	<	throw new Error("Missing test class", e);
447	>	} catch (ReflectiveOperationException e) {
448	>	throw new AssertionError("Missing test class", e);
449		}
450		}
451		}
452
453		public static final double JAVA_CLASS_VERSION;
454	+	public static final String JAVA_SPECIFICATION_VERSION;
455		static {
456		try {
457	<	JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
457	>	@SuppressWarnings("removal") double jcv =
458	>	java.security.AccessController.doPrivileged(
459		new java.security.PrivilegedAction<Double>() {
460		public Double run() {
461		return Double.valueOf(System.getProperty("java.class.version"));}});
462	+	JAVA_CLASS_VERSION = jcv;
463	+	@SuppressWarnings("removal") String jsv =
464	+	java.security.AccessController.doPrivileged(
465	+	new java.security.PrivilegedAction<String>() {
466	+	public String run() {
467	+	return System.getProperty("java.specification.version");}});
468	+	JAVA_SPECIFICATION_VERSION = jsv;
469		} catch (Throwable t) {
470		throw new Error(t);
471		}
472		}
473
474	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
475	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
476	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
474	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
475	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
476	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
477	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
478	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
479	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
480	>	public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; }
481	>	public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; }
482	>	public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; }
483	>	public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; }
484	>	public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; }
485	>	public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; }
486
487		/**
488		* Collects all JSR166 unit tests as one suite.
#	Line 232 | Line 496 | public class JSR166TestCase extends Test
496		RecursiveTaskTest.suite(),
497		LinkedTransferQueueTest.suite(),
498		PhaserTest.suite(),
235	–	SplittableRandomTest.suite(),
499		ThreadLocalRandomTest.suite(),
500		AbstractExecutorServiceTest.suite(),
501		AbstractQueueTest.suite(),
#	Line 240 | Line 503 | public class JSR166TestCase extends Test
503		AbstractQueuedLongSynchronizerTest.suite(),
504		ArrayBlockingQueueTest.suite(),
505		ArrayDequeTest.suite(),
506	+	ArrayListTest.suite(),
507		AtomicBooleanTest.suite(),
508		AtomicIntegerArrayTest.suite(),
509		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 262 | Line 526 | public class JSR166TestCase extends Test
526		CopyOnWriteArrayListTest.suite(),
527		CopyOnWriteArraySetTest.suite(),
528		CountDownLatchTest.suite(),
529	+	CountedCompleterTest.suite(),
530		CyclicBarrierTest.suite(),
531		DelayQueueTest.suite(),
532		EntryTest.suite(),
#	Line 269 | Line 534 | public class JSR166TestCase extends Test
534		ExecutorsTest.suite(),
535		ExecutorCompletionServiceTest.suite(),
536		FutureTaskTest.suite(),
537	+	HashtableTest.suite(),
538		LinkedBlockingDequeTest.suite(),
539		LinkedBlockingQueueTest.suite(),
540		LinkedListTest.suite(),
#	Line 290 | Line 556 | public class JSR166TestCase extends Test
556		TreeMapTest.suite(),
557		TreeSetTest.suite(),
558		TreeSubMapTest.suite(),
559	<	TreeSubSetTest.suite());
559	>	TreeSubSetTest.suite(),
560	>	VectorTest.suite());
561
562		// Java8+ test classes
563		if (atLeastJava8()) {
564		String[] java8TestClassNames = {
565	+	"ArrayDeque8Test",
566	+	"Atomic8Test",
567		"CompletableFutureTest",
568		"ConcurrentHashMap8Test",
569	<	"CountedCompleterTest",
569	>	"CountedCompleter8Test",
570		"DoubleAccumulatorTest",
571		"DoubleAdderTest",
572		"ForkJoinPool8Test",
573	+	"ForkJoinTask8Test",
574	+	"HashMapTest",
575	+	"LinkedBlockingDeque8Test",
576	+	"LinkedBlockingQueue8Test",
577	+	"LinkedHashMapTest",
578		"LongAccumulatorTest",
579		"LongAdderTest",
580	+	"SplittableRandomTest",
581		"StampedLockTest",
582	+	"SubmissionPublisherTest",
583	+	"ThreadLocalRandom8Test",
584	+	"TimeUnit8Test",
585		};
586		addNamedTestClasses(suite, java8TestClassNames);
587		}
588
589	+	// Java9+ test classes
590	+	if (atLeastJava9()) {
591	+	String[] java9TestClassNames = {
592	+	"AtomicBoolean9Test",
593	+	"AtomicInteger9Test",
594	+	"AtomicIntegerArray9Test",
595	+	"AtomicLong9Test",
596	+	"AtomicLongArray9Test",
597	+	"AtomicReference9Test",
598	+	"AtomicReferenceArray9Test",
599	+	"ExecutorCompletionService9Test",
600	+	"ForkJoinPool9Test",
601	+	};
602	+	addNamedTestClasses(suite, java9TestClassNames);
603	+	}
604	+
605	+	if (atLeastJava17()) {
606	+	String[] java17TestClassNames = {
607	+	"ForkJoinPool19Test",
608	+	};
609	+	addNamedTestClasses(suite, java17TestClassNames);
610	+	}
611		return suite;
612		}
613
614	+	/** Returns list of junit-style test method names in given class. */
615	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
616	+	Method[] methods = testClass.getDeclaredMethods();
617	+	ArrayList<String> names = new ArrayList<>(methods.length);
618	+	for (Method method : methods) {
619	+	if (method.getName().startsWith("test")
620	+	&& Modifier.isPublic(method.getModifiers())
621	+	// method.getParameterCount() requires jdk8+
622	+	&& method.getParameterTypes().length == 0) {
623	+	names.add(method.getName());
624	+	}
625	+	}
626	+	return names;
627	+	}
628	+
629	+	/**
630	+	* Returns junit-style testSuite for the given test class, but
631	+	* parameterized by passing extra data to each test.
632	+	*/
633	+	public static <ExtraData> Test parameterizedTestSuite
634	+	(Class<? extends JSR166TestCase> testClass,
635	+	Class<ExtraData> dataClass,
636	+	ExtraData data) {
637	+	try {
638	+	TestSuite suite = new TestSuite();
639	+	Constructor c =
640	+	testClass.getDeclaredConstructor(dataClass, String.class);
641	+	for (String methodName : testMethodNames(testClass))
642	+	suite.addTest((Test) c.newInstance(data, methodName));
643	+	return suite;
644	+	} catch (ReflectiveOperationException e) {
645	+	throw new AssertionError(e);
646	+	}
647	+	}
648	+
649	+	/**
650	+	* Returns junit-style testSuite for the jdk8 extension of the
651	+	* given test class, but parameterized by passing extra data to
652	+	* each test.  Uses reflection to allow compilation in jdk7.
653	+	*/
654	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
655	+	(Class<? extends JSR166TestCase> testClass,
656	+	Class<ExtraData> dataClass,
657	+	ExtraData data) {
658	+	if (atLeastJava8()) {
659	+	String name = testClass.getName();
660	+	String name8 = name.replaceAll("Test$", "8Test");
661	+	if (name.equals(name8)) throw new AssertionError(name);
662	+	try {
663	+	return (Test)
664	+	Class.forName(name8)
665	+	.getMethod("testSuite", dataClass)
666	+	.invoke(null, data);
667	+	} catch (ReflectiveOperationException e) {
668	+	throw new AssertionError(e);
669	+	}
670	+	} else {
671	+	return new TestSuite();
672	+	}
673	+	}
674	+
675		// Delays for timing-dependent tests, in milliseconds.
676
677		public static long SHORT_DELAY_MS;
#	Line 319 | Line 680 | public class JSR166TestCase extends Test
680		public static long LONG_DELAY_MS;
681
682		/**
683	<	* Returns the shortest timed delay. This could
684	<	* be reimplemented to use for example a Property.
683	>	* A delay significantly longer than LONG_DELAY_MS.
684	>	* Use this in a thread that is waited for via awaitTermination(Thread).
685	>	*/
686	>	public static long LONGER_DELAY_MS;
687	>
688	>	private static final long RANDOM_TIMEOUT;
689	>	private static final long RANDOM_EXPIRED_TIMEOUT;
690	>	private static final TimeUnit RANDOM_TIMEUNIT;
691	>	static {
692	>	ThreadLocalRandom rnd = ThreadLocalRandom.current();
693	>	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
694	>	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
695	>	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
696	>	TimeUnit[] timeUnits = TimeUnit.values();
697	>	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
698	>	}
699	>
700	>	/**
701	>	* Returns a timeout for use when any value at all will do.
702	>	*/
703	>	static long randomTimeout() { return RANDOM_TIMEOUT; }
704	>
705	>	/**
706	>	* Returns a timeout that means "no waiting", i.e. not positive.
707	>	*/
708	>	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
709	>
710	>	/**
711	>	* Returns a random non-null TimeUnit.
712	>	*/
713	>	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
714	>
715	>	/**
716	>	* Returns a random boolean; a "coin flip".
717	>	*/
718	>	static boolean randomBoolean() {
719	>	return ThreadLocalRandom.current().nextBoolean();
720	>	}
721	>
722	>	/**
723	>	* Returns a random element from given choices.
724	>	*/
725	>	<T> T chooseRandomly(List<T> choices) {
726	>	return choices.get(ThreadLocalRandom.current().nextInt(choices.size()));
727	>	}
728	>
729	>	/**
730	>	* Returns a random element from given choices.
731	>	*/
732	>	@SuppressWarnings("unchecked")
733	>	<T> T chooseRandomly(T... choices) {
734	>	return choices[ThreadLocalRandom.current().nextInt(choices.length)];
735	>	}
736	>
737	>	/**
738	>	* Returns the shortest timed delay. This can be scaled up for
739	>	* slow machines using the jsr166.delay.factor system property,
740	>	* or via jtreg's -timeoutFactor: flag.
741	>	* http://openjdk.java.net/jtreg/command-help.html
742		*/
743		protected long getShortDelay() {
744	<	return 50;
744	>	return (long) (50 * delayFactor);
745		}
746
747		/**
#	Line 334 | Line 752 | public class JSR166TestCase extends Test
752		SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
753		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
754		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
755	+	LONGER_DELAY_MS = 2 * LONG_DELAY_MS;
756		}
757
758	+	private static final long TIMEOUT_DELAY_MS
759	+	= (long) (12.0 * Math.cbrt(delayFactor));
760	+
761		/**
762	<	* Returns a timeout in milliseconds to be used in tests that
763	<	* verify that operations block or time out.
762	>	* Returns a timeout in milliseconds to be used in tests that verify
763	>	* that operations block or time out.  We want this to be longer
764	>	* than the OS scheduling quantum, but not too long, so don't scale
765	>	* linearly with delayFactor; we use "crazy" cube root instead.
766		*/
767	<	long timeoutMillis() {
768	<	return SHORT_DELAY_MS / 4;
767	>	static long timeoutMillis() {
768	>	return TIMEOUT_DELAY_MS;
769		}
770
771		/**
772	<	* Returns a new Date instance representing a time delayMillis
773	<	* milliseconds in the future.
772	>	* Returns a new Date instance representing a time at least
773	>	* delayMillis milliseconds in the future.
774		*/
775		Date delayedDate(long delayMillis) {
776	<	return new Date(System.currentTimeMillis() + delayMillis);
776	>	// Add 1 because currentTimeMillis is known to round into the past.
777	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
778		}
779
780		/**
781		* The first exception encountered if any threadAssertXXX method fails.
782		*/
783		private final AtomicReference<Throwable> threadFailure
784	<	= new AtomicReference<Throwable>(null);
784	>	= new AtomicReference<>(null);
785
786		/**
787		* Records an exception so that it can be rethrown later in the test
#	Line 365 | Line 790 | public class JSR166TestCase extends Test
790		* the same test have no effect.
791		*/
792		public void threadRecordFailure(Throwable t) {
793	<	threadFailure.compareAndSet(null, t);
793	>	System.err.println(t);
794	>	if (threadFailure.compareAndSet(null, t))
795	>	dumpTestThreads();
796		}
797
798		public void setUp() {
799		setDelays();
800		}
801
802	+	void tearDownFail(String format, Object... args) {
803	+	String msg = toString() + ": " + String.format(format, args);
804	+	System.err.println(msg);
805	+	dumpTestThreads();
806	+	throw new AssertionError(msg);
807	+	}
808	+
809		/**
810		* Extra checks that get done for all test cases.
811		*
#	Line 390 | Line 824 | public class JSR166TestCase extends Test
824		throw (RuntimeException) t;
825		else if (t instanceof Exception)
826		throw (Exception) t;
827	<	else {
828	<	AssertionFailedError afe =
395	<	new AssertionFailedError(t.toString());
396	<	afe.initCause(t);
397	<	throw afe;
398	<	}
827	>	else
828	>	throw new AssertionError(t.toString(), t);
829		}
830
831		if (Thread.interrupted())
832	<	throw new AssertionFailedError("interrupt status set in main thread");
832	>	tearDownFail("interrupt status set in main thread");
833
834		checkForkJoinPoolThreadLeaks();
835		}
836
837		/**
838	<	* Find missing try { ... } finally { joinPool(e); }
838	>	* Finds missing PoolCleaners
839		*/
840		void checkForkJoinPoolThreadLeaks() throws InterruptedException {
841	<	Thread[] survivors = new Thread[5];
841	>	Thread[] survivors = new Thread[7];
842		int count = Thread.enumerate(survivors);
843		for (int i = 0; i < count; i++) {
844		Thread thread = survivors[i];
#	Line 416 | Line 846 | public class JSR166TestCase extends Test
846		if (name.startsWith("ForkJoinPool-")) {
847		// give thread some time to terminate
848		thread.join(LONG_DELAY_MS);
849	<	if (!thread.isAlive()) continue;
850	<	thread.stop();
851	<	throw new AssertionFailedError
422	<	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
423	<	toString(), name));
849	>	if (thread.isAlive())
850	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
851	>	thread);
852		}
853		}
854	+
855	+	if (!ForkJoinPool.commonPool()
856	+	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
857	+	tearDownFail("ForkJoin common pool thread stuck");
858		}
859
860		/**
861		* Just like fail(reason), but additionally recording (using
862	<	* threadRecordFailure) any AssertionFailedError thrown, so that
863	<	* the current testcase will fail.
862	>	* threadRecordFailure) any AssertionError thrown, so that the
863	>	* current testcase will fail.
864		*/
865		public void threadFail(String reason) {
866		try {
867		fail(reason);
868	<	} catch (AssertionFailedError t) {
869	<	threadRecordFailure(t);
870	<	fail(reason);
868	>	} catch (AssertionError fail) {
869	>	threadRecordFailure(fail);
870	>	throw fail;
871		}
872		}
873
874		/**
875		* Just like assertTrue(b), but additionally recording (using
876	<	* threadRecordFailure) any AssertionFailedError thrown, so that
877	<	* the current testcase will fail.
876	>	* threadRecordFailure) any AssertionError thrown, so that the
877	>	* current testcase will fail.
878		*/
879		public void threadAssertTrue(boolean b) {
880		try {
881		assertTrue(b);
882	<	} catch (AssertionFailedError t) {
883	<	threadRecordFailure(t);
884	<	throw t;
882	>	} catch (AssertionError fail) {
883	>	threadRecordFailure(fail);
884	>	throw fail;
885		}
886		}
887
888		/**
889		* Just like assertFalse(b), but additionally recording (using
890	<	* threadRecordFailure) any AssertionFailedError thrown, so that
891	<	* the current testcase will fail.
890	>	* threadRecordFailure) any AssertionError thrown, so that the
891	>	* current testcase will fail.
892		*/
893		public void threadAssertFalse(boolean b) {
894		try {
895		assertFalse(b);
896	<	} catch (AssertionFailedError t) {
897	<	threadRecordFailure(t);
898	<	throw t;
896	>	} catch (AssertionError fail) {
897	>	threadRecordFailure(fail);
898	>	throw fail;
899		}
900		}
901
902		/**
903		* Just like assertNull(x), but additionally recording (using
904	<	* threadRecordFailure) any AssertionFailedError thrown, so that
905	<	* the current testcase will fail.
904	>	* threadRecordFailure) any AssertionError thrown, so that the
905	>	* current testcase will fail.
906		*/
907		public void threadAssertNull(Object x) {
908		try {
909		assertNull(x);
910	<	} catch (AssertionFailedError t) {
911	<	threadRecordFailure(t);
912	<	throw t;
910	>	} catch (AssertionError fail) {
911	>	threadRecordFailure(fail);
912	>	throw fail;
913		}
914		}
915
916		/**
917		* Just like assertEquals(x, y), but additionally recording (using
918	<	* threadRecordFailure) any AssertionFailedError thrown, so that
919	<	* the current testcase will fail.
918	>	* threadRecordFailure) any AssertionError thrown, so that the
919	>	* current testcase will fail.
920		*/
921		public void threadAssertEquals(long x, long y) {
922		try {
923		assertEquals(x, y);
924	<	} catch (AssertionFailedError t) {
925	<	threadRecordFailure(t);
926	<	throw t;
924	>	} catch (AssertionError fail) {
925	>	threadRecordFailure(fail);
926	>	throw fail;
927		}
928		}
929
930		/**
931		* Just like assertEquals(x, y), but additionally recording (using
932	<	* threadRecordFailure) any AssertionFailedError thrown, so that
933	<	* the current testcase will fail.
932	>	* threadRecordFailure) any AssertionError thrown, so that the
933	>	* current testcase will fail.
934		*/
935		public void threadAssertEquals(Object x, Object y) {
936		try {
937		assertEquals(x, y);
938	<	} catch (AssertionFailedError t) {
939	<	threadRecordFailure(t);
940	<	throw t;
941	<	} catch (Throwable t) {
942	<	threadUnexpectedException(t);
938	>	} catch (AssertionError fail) {
939	>	threadRecordFailure(fail);
940	>	throw fail;
941	>	} catch (Throwable fail) {
942	>	threadUnexpectedException(fail);
943		}
944		}
945
946		/**
947		* Just like assertSame(x, y), but additionally recording (using
948	<	* threadRecordFailure) any AssertionFailedError thrown, so that
949	<	* the current testcase will fail.
948	>	* threadRecordFailure) any AssertionError thrown, so that the
949	>	* current testcase will fail.
950		*/
951		public void threadAssertSame(Object x, Object y) {
952		try {
953		assertSame(x, y);
954	<	} catch (AssertionFailedError t) {
955	<	threadRecordFailure(t);
956	<	throw t;
954	>	} catch (AssertionError fail) {
955	>	threadRecordFailure(fail);
956	>	throw fail;
957		}
958		}
959
#	Line 541 | Line 973 | public class JSR166TestCase extends Test
973
974		/**
975		* Records the given exception using {@link #threadRecordFailure},
976	<	* then rethrows the exception, wrapping it in an
977	<	* AssertionFailedError if necessary.
976	>	* then rethrows the exception, wrapping it in an AssertionError
977	>	* if necessary.
978		*/
979		public void threadUnexpectedException(Throwable t) {
980		threadRecordFailure(t);
#	Line 551 | Line 983 | public class JSR166TestCase extends Test
983		throw (RuntimeException) t;
984		else if (t instanceof Error)
985		throw (Error) t;
986	<	else {
987	<	AssertionFailedError afe =
556	<	new AssertionFailedError("unexpected exception: " + t);
557	<	afe.initCause(t);
558	<	throw afe;
559	<	}
986	>	else
987	>	throw new AssertionError("unexpected exception: " + t, t);
988		}
989
990		/**
991		* Delays, via Thread.sleep, for the given millisecond delay, but
992		* if the sleep is shorter than specified, may re-sleep or yield
993	<	* until time elapses.
993	>	* until time elapses.  Ensures that the given time, as measured
994	>	* by System.nanoTime(), has elapsed.
995		*/
996		static void delay(long millis) throws InterruptedException {
997	<	long startTime = System.nanoTime();
998	<	long ns = millis * 1000 * 1000;
999	<	for (;;) {
997	>	long nanos = millis * (1000 * 1000);
998	>	final long wakeupTime = System.nanoTime() + nanos;
999	>	do {
1000		if (millis > 0L)
1001		Thread.sleep(millis);
1002		else // too short to sleep
1003		Thread.yield();
1004	<	long d = ns - (System.nanoTime() - startTime);
1005	<	if (d > 0L)
1006	<	millis = d / (1000 * 1000);
1007	<	else
1008	<	break;
1004	>	nanos = wakeupTime - System.nanoTime();
1005	>	millis = nanos / (1000 * 1000);
1006	>	} while (nanos >= 0L);
1007	>	}
1008	>
1009	>	/**
1010	>	* Allows use of try-with-resources with per-test thread pools.
1011	>	*/
1012	>	class PoolCleaner implements AutoCloseable {
1013	>	private final ExecutorService pool;
1014	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
1015	>	public void close() { joinPool(pool); }
1016	>	}
1017	>
1018	>	/**
1019	>	* An extension of PoolCleaner that has an action to release the pool.
1020	>	*/
1021	>	class PoolCleanerWithReleaser extends PoolCleaner {
1022	>	private final Runnable releaser;
1023	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
1024	>	super(pool);
1025	>	this.releaser = releaser;
1026		}
1027	+	public void close() {
1028	+	try {
1029	+	releaser.run();
1030	+	} finally {
1031	+	super.close();
1032	+	}
1033	+	}
1034	+	}
1035	+
1036	+	PoolCleaner cleaner(ExecutorService pool) {
1037	+	return new PoolCleaner(pool);
1038	+	}
1039	+
1040	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
1041	+	return new PoolCleanerWithReleaser(pool, releaser);
1042	+	}
1043	+
1044	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
1045	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
1046	+	}
1047	+
1048	+	Runnable releaser(final CountDownLatch latch) {
1049	+	return new Runnable() { public void run() {
1050	+	do { latch.countDown(); }
1051	+	while (latch.getCount() > 0);
1052	+	}};
1053	+	}
1054	+
1055	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
1056	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
1057	+	}
1058	+
1059	+	Runnable releaser(final AtomicBoolean flag) {
1060	+	return new Runnable() { public void run() { flag.set(true); }};
1061		}
1062
1063		/**
1064		* Waits out termination of a thread pool or fails doing so.
1065		*/
1066	<	void joinPool(ExecutorService exec) {
1066	>	void joinPool(ExecutorService pool) {
1067		try {
1068	<	exec.shutdown();
1069	<	assertTrue("ExecutorService did not terminate in a timely manner",
1070	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
1068	>	pool.shutdown();
1069	>	if (!pool.awaitTermination(20 * LONG_DELAY_MS, MILLISECONDS)) {
1070	>	try {
1071	>	threadFail("ExecutorService " + pool +
1072	>	" did not terminate in a timely manner");
1073	>	} finally {
1074	>	// last resort, for the benefit of subsequent tests
1075	>	pool.shutdownNow();
1076	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
1077	>	}
1078	>	}
1079		} catch (SecurityException ok) {
1080		// Allowed in case test doesn't have privs
1081	<	} catch (InterruptedException ie) {
1082	<	fail("Unexpected InterruptedException");
1081	>	} catch (InterruptedException fail) {
1082	>	threadFail("Unexpected InterruptedException");
1083		}
1084		}
1085
1086		/**
1087	<	* A debugging tool to print all stack traces, as jstack does.
1087	>	* Like Runnable, but with the freedom to throw anything.
1088	>	* junit folks had the same idea:
1089	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1090		*/
1091	<	static void printAllStackTraces() {
602	<	for (ThreadInfo info :
603	<	ManagementFactory.getThreadMXBean()
604	<	.dumpAllThreads(true, true))
605	<	System.err.print(info);
606	<	}
1091	>	interface Action { public void run() throws Throwable; }
1092
1093		/**
1094	<	* Checks that thread does not terminate within the default
1095	<	* millisecond delay of {@code timeoutMillis()}.
1094	>	* Runs all the given actions in parallel, failing if any fail.
1095	>	* Useful for running multiple variants of tests that are
1096	>	* necessarily individually slow because they must block.
1097		*/
1098	<	void assertThreadStaysAlive(Thread thread) {
1099	<	assertThreadStaysAlive(thread, timeoutMillis());
1098	>	void testInParallel(Action ... actions) {
1099	>	ExecutorService pool = Executors.newCachedThreadPool();
1100	>	try (PoolCleaner cleaner = cleaner(pool)) {
1101	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
1102	>	for (final Action action : actions)
1103	>	futures.add(pool.submit(new CheckedRunnable() {
1104	>	public void realRun() throws Throwable { action.run();}}));
1105	>	for (Future<?> future : futures)
1106	>	try {
1107	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
1108	>	} catch (ExecutionException ex) {
1109	>	threadUnexpectedException(ex.getCause());
1110	>	} catch (Exception ex) {
1111	>	threadUnexpectedException(ex);
1112	>	}
1113	>	}
1114	>	}
1115	>
1116	>	/** Returns true if thread info might be useful in a thread dump. */
1117	>	static boolean threadOfInterest(ThreadInfo info) {
1118	>	final String name = info.getThreadName();
1119	>	String lockName;
1120	>	if (name == null)
1121	>	return true;
1122	>	if (name.equals("Signal Dispatcher")
1123	>	|| name.equals("WedgedTestDetector"))
1124	>	return false;
1125	>	if (name.equals("Reference Handler")) {
1126	>	// Reference Handler stacktrace changed in JDK-8156500
1127	>	StackTraceElement[] stackTrace; String methodName;
1128	>	if ((stackTrace = info.getStackTrace()) != null
1129	>	&& stackTrace.length > 0
1130	>	&& (methodName = stackTrace[0].getMethodName()) != null
1131	>	&& methodName.equals("waitForReferencePendingList"))
1132	>	return false;
1133	>	// jdk8 Reference Handler stacktrace
1134	>	if ((lockName = info.getLockName()) != null
1135	>	&& lockName.startsWith("java.lang.ref"))
1136	>	return false;
1137	>	}
1138	>	if ((name.equals("Finalizer") || name.equals("Common-Cleaner"))
1139	>	&& (lockName = info.getLockName()) != null
1140	>	&& lockName.startsWith("java.lang.ref"))
1141	>	return false;
1142	>	if (name.startsWith("ForkJoinPool.commonPool-worker")
1143	>	&& (lockName = info.getLockName()) != null
1144	>	&& lockName.startsWith("java.util.concurrent.ForkJoinPool"))
1145	>	return false;
1146	>	return true;
1147		}
1148
1149		/**
1150	<	* Checks that thread does not terminate within the given millisecond delay.
1150	>	* A debugging tool to print stack traces of most threads, as jstack does.
1151	>	* Uninteresting threads are filtered out.
1152		*/
1153	<	void assertThreadStaysAlive(Thread thread, long millis) {
1154	<	try {
1155	<	// No need to optimize the failing case via Thread.join.
1156	<	delay(millis);
1157	<	assertTrue(thread.isAlive());
1158	<	} catch (InterruptedException ie) {
1159	<	fail("Unexpected InterruptedException");
1153	>	@SuppressWarnings("removal")
1154	>	static void dumpTestThreads() {
1155	>	SecurityManager sm = System.getSecurityManager();
1156	>	if (sm != null) {
1157	>	try {
1158	>	System.setSecurityManager(null);
1159	>	} catch (SecurityException giveUp) {
1160	>	return;
1161	>	}
1162		}
1163	+
1164	+	System.err.println("------ stacktrace dump start ------");
1165	+	for (ThreadInfo info : THREAD_MXBEAN.dumpAllThreads(true, true))
1166	+	if (threadOfInterest(info))
1167	+	System.err.print(info);
1168	+	System.err.println("------ stacktrace dump end ------");
1169	+
1170	+	if (sm != null) System.setSecurityManager(sm);
1171		}
1172
1173		/**
1174	<	* Checks that the threads do not terminate within the default
631	<	* millisecond delay of {@code timeoutMillis()}.
1174	>	* Checks that thread eventually enters the expected blocked thread state.
1175		*/
1176	<	void assertThreadsStayAlive(Thread... threads) {
1177	<	assertThreadsStayAlive(timeoutMillis(), threads);
1176	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1177	>	// always sleep at least 1 ms, with high probability avoiding
1178	>	// transitory states
1179	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1180	>	try { delay(1); }
1181	>	catch (InterruptedException fail) {
1182	>	throw new AssertionError("Unexpected InterruptedException", fail);
1183	>	}
1184	>	Thread.State s = thread.getState();
1185	>	if (s == expected)
1186	>	return;
1187	>	else if (s == Thread.State.TERMINATED)
1188	>	fail("Unexpected thread termination");
1189	>	}
1190	>	fail("timed out waiting for thread to enter thread state " + expected);
1191		}
1192
1193		/**
1194	<	* Checks that the threads do not terminate within the given millisecond delay.
1194	>	* Returns the thread's blocker's class name, if any, else null.
1195		*/
1196	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1197	<	try {
1198	<	// No need to optimize the failing case via Thread.join.
1199	<	delay(millis);
1200	<	for (Thread thread : threads)
1201	<	assertTrue(thread.isAlive());
646	<	} catch (InterruptedException ie) {
647	<	fail("Unexpected InterruptedException");
648	<	}
1196	>	String blockerClassName(Thread thread) {
1197	>	ThreadInfo threadInfo; LockInfo lockInfo;
1198	>	if ((threadInfo = THREAD_MXBEAN.getThreadInfo(thread.getId(), 0)) != null
1199	>	&& (lockInfo = threadInfo.getLockInfo()) != null)
1200	>	return lockInfo.getClassName();
1201	>	return null;
1202		}
1203
1204		/**
1205		* Checks that future.get times out, with the default timeout of
1206		* {@code timeoutMillis()}.
1207		*/
1208	<	void assertFutureTimesOut(Future future) {
1208	>	void assertFutureTimesOut(Future<?> future) {
1209		assertFutureTimesOut(future, timeoutMillis());
1210		}
1211
1212		/**
1213		* Checks that future.get times out, with the given millisecond timeout.
1214		*/
1215	<	void assertFutureTimesOut(Future future, long timeoutMillis) {
1215	>	void assertFutureTimesOut(Future<?> future, long timeoutMillis) {
1216		long startTime = System.nanoTime();
1217		try {
1218		future.get(timeoutMillis, MILLISECONDS);
1219		shouldThrow();
1220		} catch (TimeoutException success) {
1221	<	} catch (Exception e) {
1222	<	threadUnexpectedException(e);
1223	<	} finally { future.cancel(true); }
1221	>	} catch (Exception fail) {
1222	>	threadUnexpectedException(fail);
1223	>	}
1224		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1225	+	assertFalse(future.isDone());
1226		}
1227
1228		/**
#	Line 686 | Line 1240 | public class JSR166TestCase extends Test
1240		}
1241
1242		/**
1243	<	* The number of elements to place in collections, arrays, etc.
1243	>	* The maximum number of consecutive spurious wakeups we should
1244	>	* tolerate (from APIs like LockSupport.park) before failing a test.
1245		*/
1246	<	public static final int SIZE = 20;
1246	>	static final int MAX_SPURIOUS_WAKEUPS = 10;
1247
1248	<	// Some convenient Integer constants
1248	>	/**
1249	>	* The number of elements to place in collections, arrays, etc.
1250	>	* Must be at least ten;
1251	>	*/
1252	>	public static final int SIZE = 32;
1253
1254	<	public static final Integer zero  = new Integer(0);
1255	<	public static final Integer one   = new Integer(1);
1256	<	public static final Integer two   = new Integer(2);
1257	<	public static final Integer three = new Integer(3);
1258	<	public static final Integer four  = new Integer(4);
1259	<	public static final Integer five  = new Integer(5);
1260	<	public static final Integer six   = new Integer(6);
1261	<	public static final Integer seven = new Integer(7);
1262	<	public static final Integer eight = new Integer(8);
1263	<	public static final Integer nine  = new Integer(9);
1264	<	public static final Integer m1  = new Integer(-1);
1265	<	public static final Integer m2  = new Integer(-2);
1266	<	public static final Integer m3  = new Integer(-3);
1267	<	public static final Integer m4  = new Integer(-4);
1268	<	public static final Integer m5  = new Integer(-5);
1269	<	public static final Integer m6  = new Integer(-6);
1270	<	public static final Integer m10 = new Integer(-10);
1254	>	static Item[] seqItems(int size) {
1255	>	Item[] s = new Item[size];
1256	>	for (int i = 0; i < size; ++i)
1257	>	s[i] = new Item(i);
1258	>	return s;
1259	>	}
1260	>	static Item[] negativeSeqItems(int size) {
1261	>	Item[] s = new Item[size];
1262	>	for (int i = 0; i < size; ++i)
1263	>	s[i] = new Item(-i);
1264	>	return s;
1265	>	}
1266	>
1267	>	// Many tests rely on defaultItems all being sequential nonnegative
1268	>	public static final Item[] defaultItems = seqItems(SIZE);
1269	>
1270	>	static Item itemFor(int i) { // check cache for defaultItems
1271	>	Item[] items = defaultItems;
1272	>	return (i >= 0 && i < items.length) ? items[i] : new Item(i);
1273	>	}
1274	>
1275	>	public static final Item zero  = defaultItems[0];
1276	>	public static final Item one   = defaultItems[1];
1277	>	public static final Item two   = defaultItems[2];
1278	>	public static final Item three = defaultItems[3];
1279	>	public static final Item four  = defaultItems[4];
1280	>	public static final Item five  = defaultItems[5];
1281	>	public static final Item six   = defaultItems[6];
1282	>	public static final Item seven = defaultItems[7];
1283	>	public static final Item eight = defaultItems[8];
1284	>	public static final Item nine  = defaultItems[9];
1285	>	public static final Item ten   = defaultItems[10];
1286	>
1287	>	public static final Item[] negativeItems = negativeSeqItems(SIZE);
1288	>
1289	>	public static final Item minusOne   = negativeItems[1];
1290	>	public static final Item minusTwo   = negativeItems[2];
1291	>	public static final Item minusThree = negativeItems[3];
1292	>	public static final Item minusFour  = negativeItems[4];
1293	>	public static final Item minusFive  = negativeItems[5];
1294	>	public static final Item minusSix   = negativeItems[6];
1295	>	public static final Item minusSeven = negativeItems[7];
1296	>	public static final Item minusEight = negativeItems[8];
1297	>	public static final Item minusNone  = negativeItems[9];
1298	>	public static final Item minusTen   = negativeItems[10];
1299	>
1300	>	// elements expected to be missing
1301	>	public static final Item fortytwo = new Item(42);
1302	>	public static final Item eightysix = new Item(86);
1303	>	public static final Item ninetynine = new Item(99);
1304	>
1305	>	// Interop across Item, int
1306	>
1307	>	static void mustEqual(Item x, Item y) {
1308	>	if (x != y)
1309	>	assertEquals(x.value, y.value);
1310	>	}
1311	>	static void mustEqual(Item x, int y) {
1312	>	assertEquals(x.value, y);
1313	>	}
1314	>	static void mustEqual(int x, Item y) {
1315	>	assertEquals(x, y.value);
1316	>	}
1317	>	static void mustEqual(int x, int y) {
1318	>	assertEquals(x, y);
1319	>	}
1320	>	static void mustEqual(Object x, Object y) {
1321	>	if (x != y)
1322	>	assertEquals(x, y);
1323	>	}
1324	>	static void mustEqual(int x, Object y) {
1325	>	if (y instanceof Item)
1326	>	assertEquals(x, ((Item)y).value);
1327	>	else fail();
1328	>	}
1329	>	static void mustEqual(Object x, int y) {
1330	>	if (x instanceof Item)
1331	>	assertEquals(((Item)x).value, y);
1332	>	else fail();
1333	>	}
1334	>	static void mustEqual(boolean x, boolean y) {
1335	>	assertEquals(x, y);
1336	>	}
1337	>	static void mustEqual(long x, long y) {
1338	>	assertEquals(x, y);
1339	>	}
1340	>	static void mustEqual(double x, double y) {
1341	>	assertEquals(x, y);
1342	>	}
1343	>	static void mustContain(Collection<Item> c, int i) {
1344	>	assertTrue(c.contains(itemFor(i)));
1345	>	}
1346	>	static void mustContain(Collection<Item> c, Item i) {
1347	>	assertTrue(c.contains(i));
1348	>	}
1349	>	static void mustNotContain(Collection<Item> c, int i) {
1350	>	assertFalse(c.contains(itemFor(i)));
1351	>	}
1352	>	static void mustNotContain(Collection<Item> c, Item i) {
1353	>	assertFalse(c.contains(i));
1354	>	}
1355	>	static void mustRemove(Collection<Item> c, int i) {
1356	>	assertTrue(c.remove(itemFor(i)));
1357	>	}
1358	>	static void mustRemove(Collection<Item> c, Item i) {
1359	>	assertTrue(c.remove(i));
1360	>	}
1361	>	static void mustNotRemove(Collection<Item> c, int i) {
1362	>	assertFalse(c.remove(itemFor(i)));
1363	>	}
1364	>	static void mustNotRemove(Collection<Item> c, Item i) {
1365	>	assertFalse(c.remove(i));
1366	>	}
1367	>	static void mustAdd(Collection<Item> c, int i) {
1368	>	assertTrue(c.add(itemFor(i)));
1369	>	}
1370	>	static void mustAdd(Collection<Item> c, Item i) {
1371	>	assertTrue(c.add(i));
1372	>	}
1373	>	static void mustOffer(Queue<Item> c, int i) {
1374	>	assertTrue(c.offer(itemFor(i)));
1375	>	}
1376	>	static void mustOffer(Queue<Item> c, Item i) {
1377	>	assertTrue(c.offer(i));
1378	>	}
1379
1380		/**
1381		* Runs Runnable r with a security policy that permits precisely
#	Line 717 | Line 1384 | public class JSR166TestCase extends Test
1384		* security manager.  We require that any security manager permit
1385		* getPolicy/setPolicy.
1386		*/
1387	+	@SuppressWarnings("removal")
1388		public void runWithPermissions(Runnable r, Permission... permissions) {
1389		SecurityManager sm = System.getSecurityManager();
1390		if (sm == null) {
#	Line 732 | Line 1400 | public class JSR166TestCase extends Test
1400		* Runnable.  We require that any security manager permit
1401		* getPolicy/setPolicy.
1402		*/
1403	+	@SuppressWarnings("removal")
1404		public void runWithSecurityManagerWithPermissions(Runnable r,
1405		Permission... permissions) {
1406	+	if (!useSecurityManager) return;
1407		SecurityManager sm = System.getSecurityManager();
1408		if (sm == null) {
1409		Policy savedPolicy = Policy.getPolicy();
#	Line 770 | Line 1440 | public class JSR166TestCase extends Test
1440		* A security policy where new permissions can be dynamically added
1441		* or all cleared.
1442		*/
1443	+	@SuppressWarnings("removal")
1444		public static class AdjustablePolicy extends java.security.Policy {
1445		Permissions perms = new Permissions();
1446		AdjustablePolicy(Permission... permissions) {
#	Line 789 | Line 1460 | public class JSR166TestCase extends Test
1460		}
1461		public void refresh() {}
1462		public String toString() {
1463	<	List<Permission> ps = new ArrayList<Permission>();
1463	>	List<Permission> ps = new ArrayList<>();
1464		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1465		ps.add(e.nextElement());
1466		return "AdjustablePolicy with permissions " + ps;
#	Line 799 | Line 1470 | public class JSR166TestCase extends Test
1470		/**
1471		* Returns a policy containing all the permissions we ever need.
1472		*/
1473	+	@SuppressWarnings("removal")
1474		public static Policy permissivePolicy() {
1475		return new AdjustablePolicy
1476		// Permissions j.u.c. needs directly
#	Line 817 | Line 1489 | public class JSR166TestCase extends Test
1489
1490		/**
1491		* Sleeps until the given time has elapsed.
1492	<	* Throws AssertionFailedError if interrupted.
1492	>	* Throws AssertionError if interrupted.
1493		*/
1494	<	void sleep(long millis) {
1494	>	static void sleep(long millis) {
1495		try {
1496		delay(millis);
1497	<	} catch (InterruptedException ie) {
1498	<	AssertionFailedError afe =
827	<	new AssertionFailedError("Unexpected InterruptedException");
828	<	afe.initCause(ie);
829	<	throw afe;
1497	>	} catch (InterruptedException fail) {
1498	>	throw new AssertionError("Unexpected InterruptedException", fail);
1499		}
1500		}
1501
1502		/**
1503		* Spin-waits up to the specified number of milliseconds for the given
1504		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1505	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1506		*/
1507	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1508	<	long startTime = System.nanoTime();
1509	<	for (;;) {
1510	<	Thread.State s = thread.getState();
1511	<	if (s == Thread.State.BLOCKED ||
1512	<	s == Thread.State.WAITING ||
1513	<	s == Thread.State.TIMED_WAITING)
1514	<	return;
1515	<	else if (s == Thread.State.TERMINATED)
1507	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1508	>	Callable<Boolean> waitingForGodot) {
1509	>	for (long startTime = 0L;;) {
1510	>	switch (thread.getState()) {
1511	>	default: break;
1512	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1513	>	try {
1514	>	if (waitingForGodot == null || waitingForGodot.call())
1515	>	return;
1516	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1517	>	break;
1518	>	case TERMINATED:
1519		fail("Unexpected thread termination");
1520	+	}
1521	+
1522	+	if (startTime == 0L)
1523	+	startTime = System.nanoTime();
1524		else if (millisElapsedSince(startTime) > timeoutMillis) {
1525	<	threadAssertTrue(thread.isAlive());
1526	<	return;
1525	>	assertTrue(thread.isAlive());
1526	>	if (waitingForGodot == null
1527	>	|| thread.getState() == Thread.State.RUNNABLE)
1528	>	fail("timed out waiting for thread to enter wait state");
1529	>	else
1530	>	fail("timed out waiting for condition, thread state="
1531	>	+ thread.getState());
1532		}
1533		Thread.yield();
1534		}
1535		}
1536
1537		/**
1538	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1539	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1538	>	* Spin-waits up to the specified number of milliseconds for the given
1539	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1540	>	*/
1541	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1542	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1543	>	}
1544	>
1545	>	/**
1546	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1547	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1548		*/
1549		void waitForThreadToEnterWaitState(Thread thread) {
1550	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1550	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1551	>	}
1552	>
1553	>	/**
1554	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1555	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1556	>	* and additionally satisfy the given condition.
1557	>	*/
1558	>	void waitForThreadToEnterWaitState(Thread thread,
1559	>	Callable<Boolean> waitingForGodot) {
1560	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1561	>	}
1562	>
1563	>	/**
1564	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the current thread to
1565	>	* be interrupted.  Clears the interrupt status before returning.
1566	>	*/
1567	>	void awaitInterrupted() {
1568	>	for (long startTime = 0L; !Thread.interrupted(); ) {
1569	>	if (startTime == 0L)
1570	>	startTime = System.nanoTime();
1571	>	else if (millisElapsedSince(startTime) > LONG_DELAY_MS)
1572	>	fail("timed out waiting for thread interrupt");
1573	>	Thread.yield();
1574	>	}
1575		}
1576
1577		/**
1578		* Returns the number of milliseconds since time given by
1579		* startNanoTime, which must have been previously returned from a
1580	<	* call to {@link System.nanoTime()}.
1580	>	* call to {@link System#nanoTime()}.
1581		*/
1582	<	long millisElapsedSince(long startNanoTime) {
1582	>	static long millisElapsedSince(long startNanoTime) {
1583		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1584		}
1585
1586		/**
1587	+	* Checks that timed f.get() returns the expected value, and does not
1588	+	* wait for the timeout to elapse before returning.
1589	+	*/
1590	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1591	+	long startTime = System.nanoTime();
1592	+	T actual = null;
1593	+	try {
1594	+	actual = f.get(timeoutMillis, MILLISECONDS);
1595	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
1596	+	assertEquals(expectedValue, actual);
1597	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
1598	+	throw new AssertionError("timed get did not return promptly");
1599	+	}
1600	+
1601	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1602	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1603	+	}
1604	+
1605	+	/**
1606		* Returns a new started daemon Thread running the given runnable.
1607		*/
1608		Thread newStartedThread(Runnable runnable) {
#	Line 880 | Line 1613 | public class JSR166TestCase extends Test
1613		}
1614
1615		/**
1616	+	* Returns a new started daemon Thread running the given action,
1617	+	* wrapped in a CheckedRunnable.
1618	+	*/
1619	+	Thread newStartedThread(Action action) {
1620	+	return newStartedThread(checkedRunnable(action));
1621	+	}
1622	+
1623	+	/**
1624		* Waits for the specified time (in milliseconds) for the thread
1625		* to terminate (using {@link Thread#join(long)}), else interrupts
1626		* the thread (in the hope that it may terminate later) and fails.
1627		*/
1628	<	void awaitTermination(Thread t, long timeoutMillis) {
1628	>	void awaitTermination(Thread thread, long timeoutMillis) {
1629		try {
1630	<	t.join(timeoutMillis);
1631	<	} catch (InterruptedException ie) {
1632	<	threadUnexpectedException(ie);
1633	<	} finally {
1634	<	if (t.getState() != Thread.State.TERMINATED) {
1635	<	t.interrupt();
1636	<	fail("Test timed out");
1630	>	thread.join(timeoutMillis);
1631	>	} catch (InterruptedException fail) {
1632	>	threadUnexpectedException(fail);
1633	>	}
1634	>	if (thread.getState() != Thread.State.TERMINATED) {
1635	>	String detail = String.format(
1636	>	"timed out waiting for thread to terminate, thread=%s, state=%s" ,
1637	>	thread, thread.getState());
1638	>	try {
1639	>	threadFail(detail);
1640	>	} finally {
1641	>	// Interrupt thread __after__ having reported its stack trace
1642	>	thread.interrupt();
1643		}
1644		}
1645		}
#	Line 914 | Line 1661 | public class JSR166TestCase extends Test
1661		public final void run() {
1662		try {
1663		realRun();
1664	<	} catch (Throwable t) {
1665	<	threadUnexpectedException(t);
1664	>	} catch (Throwable fail) {
1665	>	threadUnexpectedException(fail);
1666		}
1667		}
1668		}
1669
1670	<	public abstract class RunnableShouldThrow implements Runnable {
1671	<	protected abstract void realRun() throws Throwable;
1672	<
1673	<	final Class<?> exceptionClass;
1674	<
928	<	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
929	<	this.exceptionClass = exceptionClass;
930	<	}
931	<
932	<	public final void run() {
933	<	try {
934	<	realRun();
935	<	threadShouldThrow(exceptionClass.getSimpleName());
936	<	} catch (Throwable t) {
937	<	if (! exceptionClass.isInstance(t))
938	<	threadUnexpectedException(t);
939	<	}
940	<	}
1670	>	Runnable checkedRunnable(Action action) {
1671	>	return new CheckedRunnable() {
1672	>	public void realRun() throws Throwable {
1673	>	action.run();
1674	>	}};
1675		}
1676
1677		public abstract class ThreadShouldThrow extends Thread {
#	Line 952 | Line 1686 | public class JSR166TestCase extends Test
1686		public final void run() {
1687		try {
1688		realRun();
955	–	threadShouldThrow(exceptionClass.getSimpleName());
1689		} catch (Throwable t) {
1690		if (! exceptionClass.isInstance(t))
1691		threadUnexpectedException(t);
1692	+	return;
1693		}
1694	+	threadShouldThrow(exceptionClass.getSimpleName());
1695		}
1696		}
1697
#	Line 966 | Line 1701 | public class JSR166TestCase extends Test
1701		public final void run() {
1702		try {
1703		realRun();
969	–	threadShouldThrow("InterruptedException");
1704		} catch (InterruptedException success) {
1705		threadAssertFalse(Thread.interrupted());
1706	<	} catch (Throwable t) {
1707	<	threadUnexpectedException(t);
1706	>	return;
1707	>	} catch (Throwable fail) {
1708	>	threadUnexpectedException(fail);
1709		}
1710	+	threadShouldThrow("InterruptedException");
1711		}
1712		}
1713
#	Line 981 | Line 1717 | public class JSR166TestCase extends Test
1717		public final T call() {
1718		try {
1719		return realCall();
1720	<	} catch (Throwable t) {
1721	<	threadUnexpectedException(t);
986	<	return null;
987	<	}
988	<	}
989	<	}
990	<
991	<	public abstract class CheckedInterruptedCallable<T>
992	<	implements Callable<T> {
993	<	protected abstract T realCall() throws Throwable;
994	<
995	<	public final T call() {
996	<	try {
997	<	T result = realCall();
998	<	threadShouldThrow("InterruptedException");
999	<	return result;
1000	<	} catch (InterruptedException success) {
1001	<	threadAssertFalse(Thread.interrupted());
1002	<	} catch (Throwable t) {
1003	<	threadUnexpectedException(t);
1720	>	} catch (Throwable fail) {
1721	>	threadUnexpectedException(fail);
1722		}
1723	<	return null;
1723	>	throw new AssertionError("unreached");
1724		}
1725		}
1726
#	Line 1010 | Line 1728 | public class JSR166TestCase extends Test
1728		public void run() {}
1729		}
1730
1731	<	public static class NoOpCallable implements Callable {
1731	>	public static class NoOpCallable implements Callable<Object> {
1732		public Object call() { return Boolean.TRUE; }
1733		}
1734
1735		public static final String TEST_STRING = "a test string";
1736
1737		public static class StringTask implements Callable<String> {
1738	<	public String call() { return TEST_STRING; }
1738	>	final String value;
1739	>	public StringTask() { this(TEST_STRING); }
1740	>	public StringTask(String value) { this.value = value; }
1741	>	public String call() { return value; }
1742		}
1743
1744		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
#	Line 1030 | Line 1751 | public class JSR166TestCase extends Test
1751		}};
1752		}
1753
1754	<	public Runnable awaiter(final CountDownLatch latch) {
1754	>	public Runnable countDowner(final CountDownLatch latch) {
1755		return new CheckedRunnable() {
1756		public void realRun() throws InterruptedException {
1757	<	await(latch);
1757	>	latch.countDown();
1758		}};
1759		}
1760
1761	+	class LatchAwaiter extends CheckedRunnable {
1762	+	static final int NEW = 0;
1763	+	static final int RUNNING = 1;
1764	+	static final int DONE = 2;
1765	+	final CountDownLatch latch;
1766	+	int state = NEW;
1767	+	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1768	+	public void realRun() throws InterruptedException {
1769	+	state = 1;
1770	+	await(latch);
1771	+	state = 2;
1772	+	}
1773	+	}
1774	+
1775	+	public LatchAwaiter awaiter(CountDownLatch latch) {
1776	+	return new LatchAwaiter(latch);
1777	+	}
1778	+
1779	+	public void await(CountDownLatch latch, long timeoutMillis) {
1780	+	boolean timedOut = false;
1781	+	try {
1782	+	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1783	+	} catch (Throwable fail) {
1784	+	threadUnexpectedException(fail);
1785	+	}
1786	+	if (timedOut)
1787	+	fail("timed out waiting for CountDownLatch for "
1788	+	+ (timeoutMillis/1000) + " sec");
1789	+	}
1790	+
1791		public void await(CountDownLatch latch) {
1792	+	await(latch, LONG_DELAY_MS);
1793	+	}
1794	+
1795	+	public void await(Semaphore semaphore) {
1796	+	boolean timedOut = false;
1797		try {
1798	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1799	<	} catch (Throwable t) {
1800	<	threadUnexpectedException(t);
1798	>	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1799	>	} catch (Throwable fail) {
1800	>	threadUnexpectedException(fail);
1801		}
1802	+	if (timedOut)
1803	+	fail("timed out waiting for Semaphore for "
1804	+	+ (LONG_DELAY_MS/1000) + " sec");
1805		}
1806
1807	<	public void await(Semaphore semaphore) {
1807	>	public void await(CyclicBarrier barrier) {
1808		try {
1809	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1810	<	} catch (Throwable t) {
1811	<	threadUnexpectedException(t);
1809	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1810	>	} catch (Throwable fail) {
1811	>	threadUnexpectedException(fail);
1812		}
1813		}
1814
#	Line 1067 | Line 1826 | public class JSR166TestCase extends Test
1826		//         long startTime = System.nanoTime();
1827		//         while (!flag.get()) {
1828		//             if (millisElapsedSince(startTime) > timeoutMillis)
1829	<	//                 throw new AssertionFailedError("timed out");
1829	>	//                 throw new AssertionError("timed out");
1830		//             Thread.yield();
1831		//         }
1832		//     }
#	Line 1076 | Line 1835 | public class JSR166TestCase extends Test
1835		public String call() { throw new NullPointerException(); }
1836		}
1837
1079	–	public static class CallableOne implements Callable<Integer> {
1080	–	public Integer call() { return one; }
1081	–	}
1082	–
1083	–	public class ShortRunnable extends CheckedRunnable {
1084	–	protected void realRun() throws Throwable {
1085	–	delay(SHORT_DELAY_MS);
1086	–	}
1087	–	}
1088	–
1089	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1090	–	protected void realRun() throws InterruptedException {
1091	–	delay(SHORT_DELAY_MS);
1092	–	}
1093	–	}
1094	–
1095	–	public class SmallRunnable extends CheckedRunnable {
1096	–	protected void realRun() throws Throwable {
1097	–	delay(SMALL_DELAY_MS);
1098	–	}
1099	–	}
1100	–
1101	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1102	–	protected void realRun() {
1103	–	try {
1104	–	delay(SMALL_DELAY_MS);
1105	–	} catch (InterruptedException ok) {}
1106	–	}
1107	–	}
1108	–
1109	–	public class SmallCallable extends CheckedCallable {
1110	–	protected Object realCall() throws InterruptedException {
1111	–	delay(SMALL_DELAY_MS);
1112	–	return Boolean.TRUE;
1113	–	}
1114	–	}
1115	–
1116	–	public class MediumRunnable extends CheckedRunnable {
1117	–	protected void realRun() throws Throwable {
1118	–	delay(MEDIUM_DELAY_MS);
1119	–	}
1120	–	}
1121	–
1122	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1123	–	protected void realRun() throws InterruptedException {
1124	–	delay(MEDIUM_DELAY_MS);
1125	–	}
1126	–	}
1127	–
1838		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1839		return new CheckedRunnable() {
1840		protected void realRun() {
#	Line 1134 | Line 1844 | public class JSR166TestCase extends Test
1844		}};
1845		}
1846
1137	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1138	–	protected void realRun() {
1139	–	try {
1140	–	delay(MEDIUM_DELAY_MS);
1141	–	} catch (InterruptedException ok) {}
1142	–	}
1143	–	}
1144	–
1145	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1146	–	protected void realRun() {
1147	–	try {
1148	–	delay(LONG_DELAY_MS);
1149	–	} catch (InterruptedException ok) {}
1150	–	}
1151	–	}
1152	–
1847		/**
1848		* For use as ThreadFactory in constructors
1849		*/
#	Line 1163 | Line 1857 | public class JSR166TestCase extends Test
1857		boolean isDone();
1858		}
1859
1166	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1167	–	return new TrackedRunnable() {
1168	–	private volatile boolean done = false;
1169	–	public boolean isDone() { return done; }
1170	–	public void run() {
1171	–	try {
1172	–	delay(timeoutMillis);
1173	–	done = true;
1174	–	} catch (InterruptedException ok) {}
1175	–	}
1176	–	};
1177	–	}
1178	–
1179	–	public static class TrackedShortRunnable implements Runnable {
1180	–	public volatile boolean done = false;
1181	–	public void run() {
1182	–	try {
1183	–	delay(SHORT_DELAY_MS);
1184	–	done = true;
1185	–	} catch (InterruptedException ok) {}
1186	–	}
1187	–	}
1188	–
1189	–	public static class TrackedSmallRunnable implements Runnable {
1190	–	public volatile boolean done = false;
1191	–	public void run() {
1192	–	try {
1193	–	delay(SMALL_DELAY_MS);
1194	–	done = true;
1195	–	} catch (InterruptedException ok) {}
1196	–	}
1197	–	}
1198	–
1199	–	public static class TrackedMediumRunnable implements Runnable {
1200	–	public volatile boolean done = false;
1201	–	public void run() {
1202	–	try {
1203	–	delay(MEDIUM_DELAY_MS);
1204	–	done = true;
1205	–	} catch (InterruptedException ok) {}
1206	–	}
1207	–	}
1208	–
1209	–	public static class TrackedLongRunnable implements Runnable {
1210	–	public volatile boolean done = false;
1211	–	public void run() {
1212	–	try {
1213	–	delay(LONG_DELAY_MS);
1214	–	done = true;
1215	–	} catch (InterruptedException ok) {}
1216	–	}
1217	–	}
1218	–
1860		public static class TrackedNoOpRunnable implements Runnable {
1861		public volatile boolean done = false;
1862		public void run() {
#	Line 1223 | Line 1864 | public class JSR166TestCase extends Test
1864		}
1865		}
1866
1226	–	public static class TrackedCallable implements Callable {
1227	–	public volatile boolean done = false;
1228	–	public Object call() {
1229	–	try {
1230	–	delay(SMALL_DELAY_MS);
1231	–	done = true;
1232	–	} catch (InterruptedException ok) {}
1233	–	return Boolean.TRUE;
1234	–	}
1235	–	}
1236	–
1867		/**
1868		* Analog of CheckedRunnable for RecursiveAction
1869		*/
#	Line 1243 | Line 1873 | public class JSR166TestCase extends Test
1873		@Override protected final void compute() {
1874		try {
1875		realCompute();
1876	<	} catch (Throwable t) {
1877	<	threadUnexpectedException(t);
1876	>	} catch (Throwable fail) {
1877	>	threadUnexpectedException(fail);
1878		}
1879		}
1880		}
#	Line 1258 | Line 1888 | public class JSR166TestCase extends Test
1888		@Override protected final T compute() {
1889		try {
1890		return realCompute();
1891	<	} catch (Throwable t) {
1892	<	threadUnexpectedException(t);
1263	<	return null;
1891	>	} catch (Throwable fail) {
1892	>	threadUnexpectedException(fail);
1893		}
1894	+	throw new AssertionError("unreached");
1895		}
1896		}
1897
#	Line 1275 | Line 1905 | public class JSR166TestCase extends Test
1905
1906		/**
1907		* A CyclicBarrier that uses timed await and fails with
1908	<	* AssertionFailedErrors instead of throwing checked exceptions.
1908	>	* AssertionErrors instead of throwing checked exceptions.
1909		*/
1910	<	public class CheckedBarrier extends CyclicBarrier {
1910	>	public static class CheckedBarrier extends CyclicBarrier {
1911		public CheckedBarrier(int parties) { super(parties); }
1912
1913		public int await() {
1914		try {
1915	<	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1916	<	} catch (TimeoutException e) {
1917	<	throw new AssertionFailedError("timed out");
1918	<	} catch (Exception e) {
1919	<	AssertionFailedError afe =
1290	<	new AssertionFailedError("Unexpected exception: " + e);
1291	<	afe.initCause(e);
1292	<	throw afe;
1915	>	return super.await(LONGER_DELAY_MS, MILLISECONDS);
1916	>	} catch (TimeoutException timedOut) {
1917	>	throw new AssertionError("timed out");
1918	>	} catch (Exception fail) {
1919	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1920		}
1921		}
1922		}
1923
1924	<	void checkEmpty(BlockingQueue q) {
1924	>	void checkEmpty(BlockingQueue<?> q) {
1925		try {
1926		assertTrue(q.isEmpty());
1927		assertEquals(0, q.size());
1928		assertNull(q.peek());
1929		assertNull(q.poll());
1930	<	assertNull(q.poll(0, MILLISECONDS));
1930	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1931		assertEquals(q.toString(), "[]");
1932		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1933		assertFalse(q.iterator().hasNext());
#	Line 1316 | Line 1943 | public class JSR166TestCase extends Test
1943		q.remove();
1944		shouldThrow();
1945		} catch (NoSuchElementException success) {}
1946	<	} catch (InterruptedException ie) {
1320	<	threadUnexpectedException(ie);
1321	<	}
1946	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1947		}
1948
1949		void assertSerialEquals(Object x, Object y) {
#	Line 1337 | Line 1962 | public class JSR166TestCase extends Test
1962		oos.flush();
1963		oos.close();
1964		return bos.toByteArray();
1965	<	} catch (Throwable t) {
1966	<	threadUnexpectedException(t);
1965	>	} catch (Throwable fail) {
1966	>	threadUnexpectedException(fail);
1967		return new byte[0];
1968		}
1969		}
1970
1971		@SuppressWarnings("unchecked")
1972	+	void assertImmutable(Object o) {
1973	+	if (o instanceof Collection) {
1974	+	assertThrows(
1975	+	UnsupportedOperationException.class,
1976	+	() -> ((Collection) o).add(null));
1977	+	}
1978	+	}
1979	+
1980	+	@SuppressWarnings("unchecked")
1981		<T> T serialClone(T o) {
1982	+	T clone = null;
1983		try {
1984		ObjectInputStream ois = new ObjectInputStream
1985		(new ByteArrayInputStream(serialBytes(o)));
1986	<	T clone = (T) ois.readObject();
1987	<	assertSame(o.getClass(), clone.getClass());
1988	<	return clone;
1989	<	} catch (Throwable t) {
1990	<	threadUnexpectedException(t);
1986	>	clone = (T) ois.readObject();
1987	>	} catch (Throwable fail) {
1988	>	threadUnexpectedException(fail);
1989	>	}
1990	>	if (o == clone) assertImmutable(o);
1991	>	else assertSame(o.getClass(), clone.getClass());
1992	>	return clone;
1993	>	}
1994	>
1995	>	/**
1996	>	* A version of serialClone that leaves error handling (for
1997	>	* e.g. NotSerializableException) up to the caller.
1998	>	*/
1999	>	@SuppressWarnings("unchecked")
2000	>	<T> T serialClonePossiblyFailing(T o)
2001	>	throws ReflectiveOperationException, java.io.IOException {
2002	>	ByteArrayOutputStream bos = new ByteArrayOutputStream();
2003	>	ObjectOutputStream oos = new ObjectOutputStream(bos);
2004	>	oos.writeObject(o);
2005	>	oos.flush();
2006	>	oos.close();
2007	>	ObjectInputStream ois = new ObjectInputStream
2008	>	(new ByteArrayInputStream(bos.toByteArray()));
2009	>	T clone = (T) ois.readObject();
2010	>	if (o == clone) assertImmutable(o);
2011	>	else assertSame(o.getClass(), clone.getClass());
2012	>	return clone;
2013	>	}
2014	>
2015	>	/**
2016	>	* If o implements Cloneable and has a public clone method,
2017	>	* returns a clone of o, else null.
2018	>	*/
2019	>	@SuppressWarnings("unchecked")
2020	>	<T> T cloneableClone(T o) {
2021	>	if (!(o instanceof Cloneable)) return null;
2022	>	final T clone;
2023	>	try {
2024	>	clone = (T) o.getClass().getMethod("clone").invoke(o);
2025	>	} catch (NoSuchMethodException ok) {
2026		return null;
2027	+	} catch (ReflectiveOperationException unexpected) {
2028	+	throw new Error(unexpected);
2029		}
2030	+	assertNotSame(o, clone); // not 100% guaranteed by spec
2031	+	assertSame(o.getClass(), clone.getClass());
2032	+	return clone;
2033		}
2034
2035		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
2036	<	Runnable... throwingActions) {
2037	<	for (Runnable throwingAction : throwingActions) {
2036	>	Action... throwingActions) {
2037	>	for (Action throwingAction : throwingActions) {
2038		boolean threw = false;
2039		try { throwingAction.run(); }
2040		catch (Throwable t) {
2041		threw = true;
2042	<	if (!expectedExceptionClass.isInstance(t)) {
2043	<	AssertionFailedError afe =
2044	<	new AssertionFailedError
2045	<	("Expected " + expectedExceptionClass.getName() +
2046	<	", got " + t.getClass().getName());
1372	<	afe.initCause(t);
1373	<	threadUnexpectedException(afe);
1374	<	}
2042	>	if (!expectedExceptionClass.isInstance(t))
2043	>	throw new AssertionError(
2044	>	"Expected " + expectedExceptionClass.getName() +
2045	>	", got " + t.getClass().getName(),
2046	>	t);
2047		}
2048		if (!threw)
2049		shouldThrow(expectedExceptionClass.getName());
2050		}
2051		}
2052	+
2053	+	public void assertIteratorExhausted(Iterator<?> it) {
2054	+	try {
2055	+	it.next();
2056	+	shouldThrow();
2057	+	} catch (NoSuchElementException success) {}
2058	+	assertFalse(it.hasNext());
2059	+	}
2060	+
2061	+	public <T> Callable<T> callableThrowing(final Exception ex) {
2062	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
2063	+	}
2064	+
2065	+	public Runnable runnableThrowing(final RuntimeException ex) {
2066	+	return new Runnable() { public void run() { throw ex; }};
2067	+	}
2068	+
2069	+	/** A reusable thread pool to be shared by tests. */
2070	+	static final ExecutorService cachedThreadPool =
2071	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
2072	+	1000L, MILLISECONDS,
2073	+	new SynchronousQueue<Runnable>());
2074	+
2075	+	static <T> void shuffle(T[] array) {
2076	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
2077	+	}
2078	+
2079	+	/**
2080	+	* Returns the same String as would be returned by {@link
2081	+	* Object#toString}, whether or not the given object's class
2082	+	* overrides toString().
2083	+	*
2084	+	* @see System#identityHashCode
2085	+	*/
2086	+	static String identityString(Object x) {
2087	+	return x.getClass().getName()
2088	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
2089	+	}
2090	+
2091	+	// --- Shared assertions for Executor tests ---
2092	+
2093	+	/**
2094	+	* Returns maximum number of tasks that can be submitted to given
2095	+	* pool (with bounded queue) before saturation (when submission
2096	+	* throws RejectedExecutionException).
2097	+	*/
2098	+	static final int saturatedSize(ThreadPoolExecutor pool) {
2099	+	BlockingQueue<Runnable> q = pool.getQueue();
2100	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
2101	+	}
2102	+
2103	+	@SuppressWarnings("FutureReturnValueIgnored")
2104	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
2105	+	try {
2106	+	e.execute((Runnable) null);
2107	+	shouldThrow();
2108	+	} catch (NullPointerException success) {}
2109	+
2110	+	if (! (e instanceof ExecutorService)) return;
2111	+	ExecutorService es = (ExecutorService) e;
2112	+	try {
2113	+	es.submit((Runnable) null);
2114	+	shouldThrow();
2115	+	} catch (NullPointerException success) {}
2116	+	try {
2117	+	es.submit((Runnable) null, Boolean.TRUE);
2118	+	shouldThrow();
2119	+	} catch (NullPointerException success) {}
2120	+	try {
2121	+	es.submit((Callable<?>) null);
2122	+	shouldThrow();
2123	+	} catch (NullPointerException success) {}
2124	+
2125	+	if (! (e instanceof ScheduledExecutorService)) return;
2126	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
2127	+	try {
2128	+	ses.schedule((Runnable) null,
2129	+	randomTimeout(), randomTimeUnit());
2130	+	shouldThrow();
2131	+	} catch (NullPointerException success) {}
2132	+	try {
2133	+	ses.schedule((Callable<?>) null,
2134	+	randomTimeout(), randomTimeUnit());
2135	+	shouldThrow();
2136	+	} catch (NullPointerException success) {}
2137	+	try {
2138	+	ses.scheduleAtFixedRate((Runnable) null,
2139	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2140	+	shouldThrow();
2141	+	} catch (NullPointerException success) {}
2142	+	try {
2143	+	ses.scheduleWithFixedDelay((Runnable) null,
2144	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2145	+	shouldThrow();
2146	+	} catch (NullPointerException success) {}
2147	+	}
2148	+
2149	+	void setRejectedExecutionHandler(
2150	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
2151	+	p.setRejectedExecutionHandler(handler);
2152	+	assertSame(handler, p.getRejectedExecutionHandler());
2153	+	}
2154	+
2155	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
2156	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
2157	+	final long savedTaskCount = p.getTaskCount();
2158	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
2159	+	final int savedQueueSize = p.getQueue().size();
2160	+	final boolean stock = (p.getClass().getClassLoader() == null);
2161	+
2162	+	Runnable r = () -> {};
2163	+	Callable<Boolean> c = () -> Boolean.TRUE;
2164	+
2165	+	class Recorder implements RejectedExecutionHandler {
2166	+	public volatile Runnable r = null;
2167	+	public volatile ThreadPoolExecutor p = null;
2168	+	public void reset() { r = null; p = null; }
2169	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
2170	+	assertNull(this.r);
2171	+	assertNull(this.p);
2172	+	this.r = r;
2173	+	this.p = p;
2174	+	}
2175	+	}
2176	+
2177	+	// check custom handler is invoked exactly once per task
2178	+	Recorder recorder = new Recorder();
2179	+	setRejectedExecutionHandler(p, recorder);
2180	+	for (int i = 2; i--> 0; ) {
2181	+	recorder.reset();
2182	+	p.execute(r);
2183	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2184	+	assertSame(r, recorder.r);
2185	+	assertSame(p, recorder.p);
2186	+
2187	+	recorder.reset();
2188	+	assertFalse(p.submit(r).isDone());
2189	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2190	+	assertSame(p, recorder.p);
2191	+
2192	+	recorder.reset();
2193	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2194	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2195	+	assertSame(p, recorder.p);
2196	+
2197	+	recorder.reset();
2198	+	assertFalse(p.submit(c).isDone());
2199	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2200	+	assertSame(p, recorder.p);
2201	+
2202	+	if (p instanceof ScheduledExecutorService) {
2203	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2204	+	ScheduledFuture<?> future;
2205	+
2206	+	recorder.reset();
2207	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2208	+	assertFalse(future.isDone());
2209	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2210	+	assertSame(p, recorder.p);
2211	+
2212	+	recorder.reset();
2213	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2214	+	assertFalse(future.isDone());
2215	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2216	+	assertSame(p, recorder.p);
2217	+
2218	+	recorder.reset();
2219	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2220	+	assertFalse(future.isDone());
2221	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2222	+	assertSame(p, recorder.p);
2223	+
2224	+	recorder.reset();
2225	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2226	+	assertFalse(future.isDone());
2227	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2228	+	assertSame(p, recorder.p);
2229	+	}
2230	+	}
2231	+
2232	+	// Checking our custom handler above should be sufficient, but
2233	+	// we add some integration tests of standard handlers.
2234	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2235	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2236	+
2237	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2238	+	try {
2239	+	p.execute(setThread);
2240	+	shouldThrow();
2241	+	} catch (RejectedExecutionException success) {}
2242	+	assertNull(thread.get());
2243	+
2244	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2245	+	p.execute(setThread);
2246	+	assertNull(thread.get());
2247	+
2248	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2249	+	p.execute(setThread);
2250	+	if (p.isShutdown())
2251	+	assertNull(thread.get());
2252	+	else
2253	+	assertSame(Thread.currentThread(), thread.get());
2254	+
2255	+	setRejectedExecutionHandler(p, savedHandler);
2256	+
2257	+	// check that pool was not perturbed by handlers
2258	+	assertEquals(savedTaskCount, p.getTaskCount());
2259	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2260	+	assertEquals(savedQueueSize, p.getQueue().size());
2261	+	}
2262	+
2263	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2264	+	assertEquals(x, y);
2265	+	assertEquals(y, x);
2266	+	assertEquals(x.isEmpty(), y.isEmpty());
2267	+	assertEquals(x.size(), y.size());
2268	+	if (x instanceof List) {
2269	+	assertEquals(x.toString(), y.toString());
2270	+	}
2271	+	if (x instanceof List || x instanceof Set) {
2272	+	assertEquals(x.hashCode(), y.hashCode());
2273	+	}
2274	+	if (x instanceof List || x instanceof Deque) {
2275	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2276	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2277	+	y.toArray(new Object[0])));
2278	+	}
2279	+	}
2280	+
2281	+	/**
2282	+	* A weaker form of assertCollectionsEquals which does not insist
2283	+	* that the two collections satisfy Object#equals(Object), since
2284	+	* they may use identity semantics as Deques do.
2285	+	*/
2286	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2287	+	if (x instanceof List || x instanceof Set)
2288	+	assertCollectionsEquals(x, y);
2289	+	else {
2290	+	assertEquals(x.isEmpty(), y.isEmpty());
2291	+	assertEquals(x.size(), y.size());
2292	+	assertEquals(new HashSet<Object>(x), new HashSet<Object>(y));
2293	+	if (x instanceof Deque) {
2294	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2295	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2296	+	y.toArray(new Object[0])));
2297	+	}
2298	+	}
2299	+	}
2300		}

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