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Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.108 by jsr166, Mon Jun 3 18:20:05 2013 UTC vs.
Revision 1.238 by jsr166, Mon Dec 11 00:27:08 2017 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.ThreadInfo;
53	+	import java.lang.management.ThreadMXBean;
54	+	import java.lang.reflect.Constructor;
55		import java.lang.reflect.Method;
56	+	import java.lang.reflect.Modifier;
57	+	import java.security.CodeSource;
58	+	import java.security.Permission;
59	+	import java.security.PermissionCollection;
60	+	import java.security.Permissions;
61	+	import java.security.Policy;
62	+	import java.security.ProtectionDomain;
63	+	import java.security.SecurityPermission;
64		import java.util.ArrayList;
65		import java.util.Arrays;
66	+	import java.util.Collection;
67	+	import java.util.Collections;
68		import java.util.Date;
69		import java.util.Enumeration;
70	+	import java.util.Iterator;
71		import java.util.List;
72		import java.util.NoSuchElementException;
73		import java.util.PropertyPermission;
74	<	import java.util.concurrent.*;
74	>	import java.util.concurrent.BlockingQueue;
75	>	import java.util.concurrent.Callable;
76	>	import java.util.concurrent.CountDownLatch;
77	>	import java.util.concurrent.CyclicBarrier;
78	>	import java.util.concurrent.ExecutionException;
79	>	import java.util.concurrent.Executor;
80	>	import java.util.concurrent.Executors;
81	>	import java.util.concurrent.ExecutorService;
82	>	import java.util.concurrent.ForkJoinPool;
83	>	import java.util.concurrent.Future;
84	>	import java.util.concurrent.FutureTask;
85	>	import java.util.concurrent.RecursiveAction;
86	>	import java.util.concurrent.RecursiveTask;
87	>	import java.util.concurrent.RejectedExecutionException;
88	>	import java.util.concurrent.RejectedExecutionHandler;
89	>	import java.util.concurrent.Semaphore;
90	>	import java.util.concurrent.ScheduledExecutorService;
91	>	import java.util.concurrent.ScheduledFuture;
92	>	import java.util.concurrent.SynchronousQueue;
93	>	import java.util.concurrent.ThreadFactory;
94	>	import java.util.concurrent.ThreadLocalRandom;
95	>	import java.util.concurrent.ThreadPoolExecutor;
96	>	import java.util.concurrent.TimeUnit;
97	>	import java.util.concurrent.TimeoutException;
98		import java.util.concurrent.atomic.AtomicBoolean;
99		import java.util.concurrent.atomic.AtomicReference;
100	<	import static java.util.concurrent.TimeUnit.MILLISECONDS;
101	<	import static java.util.concurrent.TimeUnit.NANOSECONDS;
102	<	import java.security.CodeSource;
103	<	import java.security.Permission;
104	<	import java.security.PermissionCollection;
105	<	import java.security.Permissions;
106	<	import java.security.Policy;
34	<	import java.security.ProtectionDomain;
35	<	import java.security.SecurityPermission;
100	>	import java.util.regex.Pattern;
101	>
102	>	import junit.framework.AssertionFailedError;
103	>	import junit.framework.Test;
104	>	import junit.framework.TestCase;
105	>	import junit.framework.TestResult;
106	>	import junit.framework.TestSuite;
107
108		/**
109		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 44 | Line 115 | import java.security.SecurityPermission;
115		*
116		* <ol>
117		*
118	<	* <li> All assertions in code running in generated threads must use
118	>	* <li>All assertions in code running in generated threads must use
119		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
120		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
121		* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
122		* particularly recommended) for other code to use these forms too.
123		* Only the most typically used JUnit assertion methods are defined
124	<	* this way, but enough to live with.</li>
124	>	* this way, but enough to live with.
125		*
126	<	* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
126	>	* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
127		* to invoke {@code super.setUp} and {@code super.tearDown} within
128		* them. These methods are used to clear and check for thread
129	<	* assertion failures.</li>
129	>	* assertion failures.
130		*
131		* <li>All delays and timeouts must use one of the constants {@code
132		* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
#	Line 66 | Line 137 | import java.security.SecurityPermission;
137		* is always discriminable as larger than SHORT and smaller than
138		* MEDIUM.  And so on. These constants are set to conservative values,
139		* but even so, if there is ever any doubt, they can all be increased
140	<	* in one spot to rerun tests on slower platforms.</li>
140	>	* in one spot to rerun tests on slower platforms.
141		*
142	<	* <li> All threads generated must be joined inside each test case
142	>	* <li>All threads generated must be joined inside each test case
143		* method (or {@code fail} to do so) before returning from the
144		* method. The {@code joinPool} method can be used to do this when
145	<	* using Executors.</li>
145	>	* using Executors.
146		*
147		* </ol>
148		*
149		* <p><b>Other notes</b>
150		* <ul>
151		*
152	<	* <li> Usually, there is one testcase method per JSR166 method
152	>	* <li>Usually, there is one testcase method per JSR166 method
153		* covering "normal" operation, and then as many exception-testing
154		* methods as there are exceptions the method can throw. Sometimes
155		* there are multiple tests per JSR166 method when the different
156		* "normal" behaviors differ significantly. And sometimes testcases
157	<	* cover multiple methods when they cannot be tested in
87	<	* isolation.</li>
157	>	* cover multiple methods when they cannot be tested in isolation.
158		*
159	<	* <li> The documentation style for testcases is to provide as javadoc
159	>	* <li>The documentation style for testcases is to provide as javadoc
160		* a simple sentence or two describing the property that the testcase
161		* method purports to test. The javadocs do not say anything about how
162	<	* the property is tested. To find out, read the code.</li>
162	>	* the property is tested. To find out, read the code.
163		*
164	<	* <li> These tests are "conformance tests", and do not attempt to
164	>	* <li>These tests are "conformance tests", and do not attempt to
165		* test throughput, latency, scalability or other performance factors
166		* (see the separate "jtreg" tests for a set intended to check these
167		* for the most central aspects of functionality.) So, most tests use
168		* the smallest sensible numbers of threads, collection sizes, etc
169	<	* needed to check basic conformance.</li>
169	>	* needed to check basic conformance.
170		*
171		* <li>The test classes currently do not declare inclusion in
172		* any particular package to simplify things for people integrating
173	<	* them in TCK test suites.</li>
173	>	* them in TCK test suites.
174		*
175	<	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
176	<	* runs all JSR166 unit tests.</li>
175	>	* <li>As a convenience, the {@code main} of this class (JSR166TestCase)
176	>	* runs all JSR166 unit tests.
177		*
178		* </ul>
179		*/
#	Line 115 | Line 185 | public class JSR166TestCase extends Test
185		Boolean.getBoolean("jsr166.expensiveTests");
186
187		/**
188	+	* If true, also run tests that are not part of the official tck
189	+	* because they test unspecified implementation details.
190	+	*/
191	+	protected static final boolean testImplementationDetails =
192	+	Boolean.getBoolean("jsr166.testImplementationDetails");
193	+
194	+	/**
195		* If true, report on stdout all "slow" tests, that is, ones that
196		* take more than profileThreshold milliseconds to execute.
197		*/
#	Line 134 | Line 211 | public class JSR166TestCase extends Test
211		private static final int runsPerTest =
212		Integer.getInteger("jsr166.runsPerTest", 1);
213
214	+	/**
215	+	* The number of repetitions of the test suite (for finding leaks?).
216	+	*/
217	+	private static final int suiteRuns =
218	+	Integer.getInteger("jsr166.suiteRuns", 1);
219	+
220	+	/**
221	+	* Returns the value of the system property, or NaN if not defined.
222	+	*/
223	+	private static float systemPropertyValue(String name) {
224	+	String floatString = System.getProperty(name);
225	+	if (floatString == null)
226	+	return Float.NaN;
227	+	try {
228	+	return Float.parseFloat(floatString);
229	+	} catch (NumberFormatException ex) {
230	+	throw new IllegalArgumentException(
231	+	String.format("Bad float value in system property %s=%s",
232	+	name, floatString));
233	+	}
234	+	}
235	+
236	+	/**
237	+	* The scaling factor to apply to standard delays used in tests.
238	+	* May be initialized from any of:
239	+	* - the "jsr166.delay.factor" system property
240	+	* - the "test.timeout.factor" system property (as used by jtreg)
241	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
242	+	* - hard-coded fuzz factor when using a known slowpoke VM
243	+	*/
244	+	private static final float delayFactor = delayFactor();
245	+
246	+	private static float delayFactor() {
247	+	float x;
248	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
249	+	return x;
250	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
251	+	return x;
252	+	String prop = System.getProperty("java.vm.version");
253	+	if (prop != null && prop.matches(".*debug.*"))
254	+	return 4.0f; // How much slower is fastdebug than product?!
255	+	return 1.0f;
256	+	}
257	+
258	+	public JSR166TestCase() { super(); }
259	+	public JSR166TestCase(String name) { super(name); }
260	+
261	+	/**
262	+	* A filter for tests to run, matching strings of the form
263	+	* methodName(className), e.g. "testInvokeAll5(ForkJoinPoolTest)"
264	+	* Usefully combined with jsr166.runsPerTest.
265	+	*/
266	+	private static final Pattern methodFilter = methodFilter();
267	+
268	+	private static Pattern methodFilter() {
269	+	String regex = System.getProperty("jsr166.methodFilter");
270	+	return (regex == null) ? null : Pattern.compile(regex);
271	+	}
272	+
273	+	// Instrumentation to debug very rare, but very annoying hung test runs.
274	+	static volatile TestCase currentTestCase;
275	+	// static volatile int currentRun = 0;
276	+	static {
277	+	Runnable checkForWedgedTest = new Runnable() { public void run() {
278	+	// Avoid spurious reports with enormous runsPerTest.
279	+	// A single test case run should never take more than 1 second.
280	+	// But let's cap it at the high end too ...
281	+	final int timeoutMinutes =
282	+	Math.min(15, Math.max(runsPerTest / 60, 1));
283	+	for (TestCase lastTestCase = currentTestCase;;) {
284	+	try { MINUTES.sleep(timeoutMinutes); }
285	+	catch (InterruptedException unexpected) { break; }
286	+	if (lastTestCase == currentTestCase) {
287	+	System.err.printf(
288	+	"Looks like we're stuck running test: %s%n",
289	+	lastTestCase);
290	+	//                     System.err.printf(
291	+	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
292	+	//                         lastTestCase, currentRun, runsPerTest);
293	+	//                     System.err.println("availableProcessors=" +
294	+	//                         Runtime.getRuntime().availableProcessors());
295	+	//                     System.err.printf("cpu model = %s%n", cpuModel());
296	+	dumpTestThreads();
297	+	// one stack dump is probably enough; more would be spam
298	+	break;
299	+	}
300	+	lastTestCase = currentTestCase;
301	+	}}};
302	+	Thread thread = new Thread(checkForWedgedTest, "checkForWedgedTest");
303	+	thread.setDaemon(true);
304	+	thread.start();
305	+	}
306	+
307	+	//     public static String cpuModel() {
308	+	//         try {
309	+	//             java.util.regex.Matcher matcher
310	+	//               = Pattern.compile("model name\\s*: (.*)")
311	+	//                 .matcher(new String(
312	+	//                     java.nio.file.Files.readAllBytes(
313	+	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
314	+	//             matcher.find();
315	+	//             return matcher.group(1);
316	+	//         } catch (Exception ex) { return null; }
317	+	//     }
318	+
319	+	public void runBare() throws Throwable {
320	+	currentTestCase = this;
321	+	if (methodFilter == null
322	+	|| methodFilter.matcher(toString()).find())
323	+	super.runBare();
324	+	}
325	+
326		protected void runTest() throws Throwable {
327		for (int i = 0; i < runsPerTest; i++) {
328	+	// currentRun = i;
329		if (profileTests)
330		runTestProfiled();
331		else
#	Line 144 | Line 334 | public class JSR166TestCase extends Test
334		}
335
336		protected void runTestProfiled() throws Throwable {
337	<	long t0 = System.nanoTime();
338	<	try {
337	>	for (int i = 0; i < 2; i++) {
338	>	long startTime = System.nanoTime();
339		super.runTest();
340	<	} finally {
341	<	long elapsedMillis =
342	<	(System.nanoTime() - t0) / (1000L * 1000L);
343	<	if (elapsedMillis >= profileThreshold)
340	>	long elapsedMillis = millisElapsedSince(startTime);
341	>	if (elapsedMillis < profileThreshold)
342	>	break;
343	>	// Never report first run of any test; treat it as a
344	>	// warmup run, notably to trigger all needed classloading,
345	>	if (i > 0)
346		System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
347		}
348		}
349
350		/**
351		* 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.
352		*/
353		public static void main(String[] args) {
354	+	main(suite(), args);
355	+	}
356	+
357	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
358	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
359	+	long runTime;
360	+	public void startTest(Test test) {}
361	+	protected void printHeader(long runTime) {
362	+	this.runTime = runTime; // defer printing for later
363	+	}
364	+	protected void printFooter(TestResult result) {
365	+	if (result.wasSuccessful()) {
366	+	getWriter().println("OK (" + result.runCount() + " tests)"
367	+	+ "  Time: " + elapsedTimeAsString(runTime));
368	+	} else {
369	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
370	+	super.printFooter(result);
371	+	}
372	+	}
373	+	}
374	+
375	+	/**
376	+	* Returns a TestRunner that doesn't bother with unnecessary
377	+	* fluff, like printing a "." for each test case.
378	+	*/
379	+	static junit.textui.TestRunner newPithyTestRunner() {
380	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
381	+	runner.setPrinter(new PithyResultPrinter(System.out));
382	+	return runner;
383	+	}
384	+
385	+	/**
386	+	* Runs all unit tests in the given test suite.
387	+	* Actual behavior influenced by jsr166.* system properties.
388	+	*/
389	+	static void main(Test suite, String[] args) {
390		if (useSecurityManager) {
391		System.err.println("Setting a permissive security manager");
392		Policy.setPolicy(permissivePolicy());
393		System.setSecurityManager(new SecurityManager());
394		}
395	<	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
396	<
397	<	Test s = suite();
398	<	for (int i = 0; i < iters; ++i) {
173	<	junit.textui.TestRunner.run(s);
395	>	for (int i = 0; i < suiteRuns; i++) {
396	>	TestResult result = newPithyTestRunner().doRun(suite);
397	>	if (!result.wasSuccessful())
398	>	System.exit(1);
399		System.gc();
400		System.runFinalization();
401		}
177	–	System.exit(0);
402		}
403
404		public static TestSuite newTestSuite(Object... suiteOrClasses) {
#	Line 205 | Line 429 | public class JSR166TestCase extends Test
429		}
430
431		public static final double JAVA_CLASS_VERSION;
432	+	public static final String JAVA_SPECIFICATION_VERSION;
433		static {
434		try {
435		JAVA_CLASS_VERSION = java.security.AccessController.doPrivileged(
436		new java.security.PrivilegedAction<Double>() {
437		public Double run() {
438		return Double.valueOf(System.getProperty("java.class.version"));}});
439	+	JAVA_SPECIFICATION_VERSION = java.security.AccessController.doPrivileged(
440	+	new java.security.PrivilegedAction<String>() {
441	+	public String run() {
442	+	return System.getProperty("java.specification.version");}});
443		} catch (Throwable t) {
444		throw new Error(t);
445		}
446		}
447
448	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
449	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
450	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
448	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
449	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
450	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
451	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
452	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
453
454		/**
455		* Collects all JSR166 unit tests as one suite.
#	Line 239 | Line 470 | public class JSR166TestCase extends Test
470		AbstractQueuedLongSynchronizerTest.suite(),
471		ArrayBlockingQueueTest.suite(),
472		ArrayDequeTest.suite(),
473	+	ArrayListTest.suite(),
474		AtomicBooleanTest.suite(),
475		AtomicIntegerArrayTest.suite(),
476		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 261 | Line 493 | public class JSR166TestCase extends Test
493		CopyOnWriteArrayListTest.suite(),
494		CopyOnWriteArraySetTest.suite(),
495		CountDownLatchTest.suite(),
496	+	CountedCompleterTest.suite(),
497		CyclicBarrierTest.suite(),
498		DelayQueueTest.suite(),
499		EntryTest.suite(),
#	Line 289 | Line 522 | public class JSR166TestCase extends Test
522		TreeMapTest.suite(),
523		TreeSetTest.suite(),
524		TreeSubMapTest.suite(),
525	<	TreeSubSetTest.suite());
525	>	TreeSubSetTest.suite(),
526	>	VectorTest.suite());
527
528		// Java8+ test classes
529		if (atLeastJava8()) {
530		String[] java8TestClassNames = {
531	+	"ArrayDeque8Test",
532	+	"Atomic8Test",
533		"CompletableFutureTest",
534		"ConcurrentHashMap8Test",
535	<	"CountedCompleterTest",
535	>	"CountedCompleter8Test",
536		"DoubleAccumulatorTest",
537		"DoubleAdderTest",
538		"ForkJoinPool8Test",
539	+	"ForkJoinTask8Test",
540	+	"HashMapTest",
541	+	"LinkedBlockingDeque8Test",
542	+	"LinkedBlockingQueue8Test",
543		"LongAccumulatorTest",
544		"LongAdderTest",
545	+	"SplittableRandomTest",
546		"StampedLockTest",
547	+	"SubmissionPublisherTest",
548	+	"ThreadLocalRandom8Test",
549	+	"TimeUnit8Test",
550		};
551		addNamedTestClasses(suite, java8TestClassNames);
552		}
553
554	+	// Java9+ test classes
555	+	if (atLeastJava9()) {
556	+	String[] java9TestClassNames = {
557	+	"AtomicBoolean9Test",
558	+	"AtomicInteger9Test",
559	+	"AtomicIntegerArray9Test",
560	+	"AtomicLong9Test",
561	+	"AtomicLongArray9Test",
562	+	"AtomicReference9Test",
563	+	"AtomicReferenceArray9Test",
564	+	"ExecutorCompletionService9Test",
565	+	"ForkJoinPool9Test",
566	+	};
567	+	addNamedTestClasses(suite, java9TestClassNames);
568	+	}
569	+
570		return suite;
571		}
572
573	+	/** Returns list of junit-style test method names in given class. */
574	+	public static ArrayList<String> testMethodNames(Class<?> testClass) {
575	+	Method[] methods = testClass.getDeclaredMethods();
576	+	ArrayList<String> names = new ArrayList<>(methods.length);
577	+	for (Method method : methods) {
578	+	if (method.getName().startsWith("test")
579	+	&& Modifier.isPublic(method.getModifiers())
580	+	// method.getParameterCount() requires jdk8+
581	+	&& method.getParameterTypes().length == 0) {
582	+	names.add(method.getName());
583	+	}
584	+	}
585	+	return names;
586	+	}
587	+
588	+	/**
589	+	* Returns junit-style testSuite for the given test class, but
590	+	* parameterized by passing extra data to each test.
591	+	*/
592	+	public static <ExtraData> Test parameterizedTestSuite
593	+	(Class<? extends JSR166TestCase> testClass,
594	+	Class<ExtraData> dataClass,
595	+	ExtraData data) {
596	+	try {
597	+	TestSuite suite = new TestSuite();
598	+	Constructor c =
599	+	testClass.getDeclaredConstructor(dataClass, String.class);
600	+	for (String methodName : testMethodNames(testClass))
601	+	suite.addTest((Test) c.newInstance(data, methodName));
602	+	return suite;
603	+	} catch (Exception e) {
604	+	throw new Error(e);
605	+	}
606	+	}
607	+
608	+	/**
609	+	* Returns junit-style testSuite for the jdk8 extension of the
610	+	* given test class, but parameterized by passing extra data to
611	+	* each test.  Uses reflection to allow compilation in jdk7.
612	+	*/
613	+	public static <ExtraData> Test jdk8ParameterizedTestSuite
614	+	(Class<? extends JSR166TestCase> testClass,
615	+	Class<ExtraData> dataClass,
616	+	ExtraData data) {
617	+	if (atLeastJava8()) {
618	+	String name = testClass.getName();
619	+	String name8 = name.replaceAll("Test$", "8Test");
620	+	if (name.equals(name8)) throw new Error(name);
621	+	try {
622	+	return (Test)
623	+	Class.forName(name8)
624	+	.getMethod("testSuite", new Class[] { dataClass })
625	+	.invoke(null, data);
626	+	} catch (Exception e) {
627	+	throw new Error(e);
628	+	}
629	+	} else {
630	+	return new TestSuite();
631	+	}
632	+	}
633	+
634	+	// Delays for timing-dependent tests, in milliseconds.
635
636		public static long SHORT_DELAY_MS;
637		public static long SMALL_DELAY_MS;
638		public static long MEDIUM_DELAY_MS;
639		public static long LONG_DELAY_MS;
640
641	+	private static final long RANDOM_TIMEOUT;
642	+	private static final long RANDOM_EXPIRED_TIMEOUT;
643	+	private static final TimeUnit RANDOM_TIMEUNIT;
644	+	static {
645	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
646	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
647	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
648	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
649	+	TimeUnit[] timeUnits = TimeUnit.values();
650	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
651	+	}
652
653		/**
654	<	* Returns the shortest timed delay. This could
655	<	* be reimplemented to use for example a Property.
654	>	* Returns a timeout for use when any value at all will do.
655	>	*/
656	>	static long randomTimeout() { return RANDOM_TIMEOUT; }
657	>
658	>	/**
659	>	* Returns a timeout that means "no waiting", i.e. not positive.
660	>	*/
661	>	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
662	>
663	>	/**
664	>	* Returns a random non-null TimeUnit.
665	>	*/
666	>	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
667	>
668	>	/**
669	>	* Returns the shortest timed delay. This can be scaled up for
670	>	* slow machines using the jsr166.delay.factor system property,
671	>	* or via jtreg's -timeoutFactor: flag.
672	>	* http://openjdk.java.net/jtreg/command-help.html
673		*/
674		protected long getShortDelay() {
675	<	return 50;
675	>	return (long) (50 * delayFactor);
676		}
677
678		/**
#	Line 335 | Line 685 | public class JSR166TestCase extends Test
685		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
686		}
687
688	+	private static final long TIMEOUT_DELAY_MS
689	+	= (long) (12.0 * Math.cbrt(delayFactor));
690	+
691		/**
692	<	* Returns a timeout in milliseconds to be used in tests that
693	<	* verify that operations block or time out.
692	>	* Returns a timeout in milliseconds to be used in tests that verify
693	>	* that operations block or time out.  We want this to be longer
694	>	* than the OS scheduling quantum, but not too long, so don't scale
695	>	* linearly with delayFactor; we use "crazy" cube root instead.
696		*/
697	<	long timeoutMillis() {
698	<	return SHORT_DELAY_MS / 4;
697	>	static long timeoutMillis() {
698	>	return TIMEOUT_DELAY_MS;
699		}
700
701		/**
702	<	* Returns a new Date instance representing a time delayMillis
703	<	* milliseconds in the future.
702	>	* Returns a new Date instance representing a time at least
703	>	* delayMillis milliseconds in the future.
704		*/
705		Date delayedDate(long delayMillis) {
706	<	return new Date(System.currentTimeMillis() + delayMillis);
706	>	// Add 1 because currentTimeMillis is known to round into the past.
707	>	return new Date(System.currentTimeMillis() + delayMillis + 1);
708		}
709
710		/**
711		* The first exception encountered if any threadAssertXXX method fails.
712		*/
713		private final AtomicReference<Throwable> threadFailure
714	<	= new AtomicReference<Throwable>(null);
714	>	= new AtomicReference<>(null);
715
716		/**
717		* Records an exception so that it can be rethrown later in the test
#	Line 364 | Line 720 | public class JSR166TestCase extends Test
720		* the same test have no effect.
721		*/
722		public void threadRecordFailure(Throwable t) {
723	+	System.err.println(t);
724	+	dumpTestThreads();
725		threadFailure.compareAndSet(null, t);
726		}
727
#	Line 371 | Line 729 | public class JSR166TestCase extends Test
729		setDelays();
730		}
731
732	+	void tearDownFail(String format, Object... args) {
733	+	String msg = toString() + ": " + String.format(format, args);
734	+	System.err.println(msg);
735	+	dumpTestThreads();
736	+	throw new AssertionFailedError(msg);
737	+	}
738	+
739		/**
740		* Extra checks that get done for all test cases.
741		*
#	Line 398 | Line 763 | public class JSR166TestCase extends Test
763		}
764
765		if (Thread.interrupted())
766	<	throw new AssertionFailedError("interrupt status set in main thread");
766	>	tearDownFail("interrupt status set in main thread");
767
768		checkForkJoinPoolThreadLeaks();
769		}
770
771		/**
772	<	* Find missing try { ... } finally { joinPool(e); }
772	>	* Finds missing PoolCleaners
773		*/
774		void checkForkJoinPoolThreadLeaks() throws InterruptedException {
775	<	Thread[] survivors = new Thread[5];
775	>	Thread[] survivors = new Thread[7];
776		int count = Thread.enumerate(survivors);
777		for (int i = 0; i < count; i++) {
778		Thread thread = survivors[i];
#	Line 415 | Line 780 | public class JSR166TestCase extends Test
780		if (name.startsWith("ForkJoinPool-")) {
781		// give thread some time to terminate
782		thread.join(LONG_DELAY_MS);
783	<	if (!thread.isAlive()) continue;
784	<	thread.stop();
785	<	throw new AssertionFailedError
421	<	(String.format("Found leaked ForkJoinPool thread test=%s thread=%s%n",
422	<	toString(), name));
783	>	if (thread.isAlive())
784	>	tearDownFail("Found leaked ForkJoinPool thread thread=%s",
785	>	thread);
786		}
787		}
788	+
789	+	if (!ForkJoinPool.commonPool()
790	+	.awaitQuiescence(LONG_DELAY_MS, MILLISECONDS))
791	+	tearDownFail("ForkJoin common pool thread stuck");
792		}
793
794		/**
#	Line 434 | Line 801 | public class JSR166TestCase extends Test
801		fail(reason);
802		} catch (AssertionFailedError t) {
803		threadRecordFailure(t);
804	<	fail(reason);
804	>	throw t;
805		}
806		}
807
#	Line 502 | Line 869 | public class JSR166TestCase extends Test
869		public void threadAssertEquals(Object x, Object y) {
870		try {
871		assertEquals(x, y);
872	<	} catch (AssertionFailedError t) {
873	<	threadRecordFailure(t);
874	<	throw t;
875	<	} catch (Throwable t) {
876	<	threadUnexpectedException(t);
872	>	} catch (AssertionFailedError fail) {
873	>	threadRecordFailure(fail);
874	>	throw fail;
875	>	} catch (Throwable fail) {
876	>	threadUnexpectedException(fail);
877		}
878		}
879
#	Line 518 | Line 885 | public class JSR166TestCase extends Test
885		public void threadAssertSame(Object x, Object y) {
886		try {
887		assertSame(x, y);
888	<	} catch (AssertionFailedError t) {
889	<	threadRecordFailure(t);
890	<	throw t;
888	>	} catch (AssertionFailedError fail) {
889	>	threadRecordFailure(fail);
890	>	throw fail;
891		}
892		}
893
#	Line 561 | Line 928 | public class JSR166TestCase extends Test
928		/**
929		* Delays, via Thread.sleep, for the given millisecond delay, but
930		* if the sleep is shorter than specified, may re-sleep or yield
931	<	* until time elapses.
931	>	* until time elapses.  Ensures that the given time, as measured
932	>	* by System.nanoTime(), has elapsed.
933		*/
934		static void delay(long millis) throws InterruptedException {
935	<	long startTime = System.nanoTime();
936	<	long ns = millis * 1000 * 1000;
937	<	for (;;) {
935	>	long nanos = millis * (1000 * 1000);
936	>	final long wakeupTime = System.nanoTime() + nanos;
937	>	do {
938		if (millis > 0L)
939		Thread.sleep(millis);
940		else // too short to sleep
941		Thread.yield();
942	<	long d = ns - (System.nanoTime() - startTime);
943	<	if (d > 0L)
944	<	millis = d / (1000 * 1000);
945	<	else
946	<	break;
942	>	nanos = wakeupTime - System.nanoTime();
943	>	millis = nanos / (1000 * 1000);
944	>	} while (nanos >= 0L);
945	>	}
946	>
947	>	/**
948	>	* Allows use of try-with-resources with per-test thread pools.
949	>	*/
950	>	class PoolCleaner implements AutoCloseable {
951	>	private final ExecutorService pool;
952	>	public PoolCleaner(ExecutorService pool) { this.pool = pool; }
953	>	public void close() { joinPool(pool); }
954	>	}
955	>
956	>	/**
957	>	* An extension of PoolCleaner that has an action to release the pool.
958	>	*/
959	>	class PoolCleanerWithReleaser extends PoolCleaner {
960	>	private final Runnable releaser;
961	>	public PoolCleanerWithReleaser(ExecutorService pool, Runnable releaser) {
962	>	super(pool);
963	>	this.releaser = releaser;
964	>	}
965	>	public void close() {
966	>	try {
967	>	releaser.run();
968	>	} finally {
969	>	super.close();
970	>	}
971		}
972		}
973
974	+	PoolCleaner cleaner(ExecutorService pool) {
975	+	return new PoolCleaner(pool);
976	+	}
977	+
978	+	PoolCleaner cleaner(ExecutorService pool, Runnable releaser) {
979	+	return new PoolCleanerWithReleaser(pool, releaser);
980	+	}
981	+
982	+	PoolCleaner cleaner(ExecutorService pool, CountDownLatch latch) {
983	+	return new PoolCleanerWithReleaser(pool, releaser(latch));
984	+	}
985	+
986	+	Runnable releaser(final CountDownLatch latch) {
987	+	return new Runnable() { public void run() {
988	+	do { latch.countDown(); }
989	+	while (latch.getCount() > 0);
990	+	}};
991	+	}
992	+
993	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
994	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
995	+	}
996	+
997	+	Runnable releaser(final AtomicBoolean flag) {
998	+	return new Runnable() { public void run() { flag.set(true); }};
999	+	}
1000	+
1001		/**
1002		* Waits out termination of a thread pool or fails doing so.
1003		*/
1004	<	void joinPool(ExecutorService exec) {
1004	>	void joinPool(ExecutorService pool) {
1005		try {
1006	<	exec.shutdown();
1007	<	assertTrue("ExecutorService did not terminate in a timely manner",
1008	<	exec.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS));
1006	>	pool.shutdown();
1007	>	if (!pool.awaitTermination(2 * LONG_DELAY_MS, MILLISECONDS)) {
1008	>	try {
1009	>	threadFail("ExecutorService " + pool +
1010	>	" did not terminate in a timely manner");
1011	>	} finally {
1012	>	// last resort, for the benefit of subsequent tests
1013	>	pool.shutdownNow();
1014	>	pool.awaitTermination(MEDIUM_DELAY_MS, MILLISECONDS);
1015	>	}
1016	>	}
1017		} catch (SecurityException ok) {
1018		// Allowed in case test doesn't have privs
1019	<	} catch (InterruptedException ie) {
1020	<	fail("Unexpected InterruptedException");
1019	>	} catch (InterruptedException fail) {
1020	>	threadFail("Unexpected InterruptedException");
1021		}
1022		}
1023
1024		/**
1025	<	* A debugging tool to print all stack traces, as jstack does.
1025	>	* Like Runnable, but with the freedom to throw anything.
1026	>	* junit folks had the same idea:
1027	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1028		*/
1029	<	static void printAllStackTraces() {
601	<	for (ThreadInfo info :
602	<	ManagementFactory.getThreadMXBean()
603	<	.dumpAllThreads(true, true))
604	<	System.err.print(info);
605	<	}
1029	>	interface Action { public void run() throws Throwable; }
1030
1031		/**
1032	<	* Checks that thread does not terminate within the default
1033	<	* millisecond delay of {@code timeoutMillis()}.
1032	>	* Runs all the given actions in parallel, failing if any fail.
1033	>	* Useful for running multiple variants of tests that are
1034	>	* necessarily individually slow because they must block.
1035		*/
1036	<	void assertThreadStaysAlive(Thread thread) {
1037	<	assertThreadStaysAlive(thread, timeoutMillis());
1036	>	void testInParallel(Action ... actions) {
1037	>	ExecutorService pool = Executors.newCachedThreadPool();
1038	>	try (PoolCleaner cleaner = cleaner(pool)) {
1039	>	ArrayList<Future<?>> futures = new ArrayList<>(actions.length);
1040	>	for (final Action action : actions)
1041	>	futures.add(pool.submit(new CheckedRunnable() {
1042	>	public void realRun() throws Throwable { action.run();}}));
1043	>	for (Future<?> future : futures)
1044	>	try {
1045	>	assertNull(future.get(LONG_DELAY_MS, MILLISECONDS));
1046	>	} catch (ExecutionException ex) {
1047	>	threadUnexpectedException(ex.getCause());
1048	>	} catch (Exception ex) {
1049	>	threadUnexpectedException(ex);
1050	>	}
1051	>	}
1052		}
1053
1054		/**
1055	<	* Checks that thread does not terminate within the given millisecond delay.
1055	>	* A debugging tool to print stack traces of most threads, as jstack does.
1056	>	* Uninteresting threads are filtered out.
1057		*/
1058	<	void assertThreadStaysAlive(Thread thread, long millis) {
1059	<	try {
1060	<	// No need to optimize the failing case via Thread.join.
1061	<	delay(millis);
1062	<	assertTrue(thread.isAlive());
1063	<	} catch (InterruptedException ie) {
1064	<	fail("Unexpected InterruptedException");
1058	>	static void dumpTestThreads() {
1059	>	SecurityManager sm = System.getSecurityManager();
1060	>	if (sm != null) {
1061	>	try {
1062	>	System.setSecurityManager(null);
1063	>	} catch (SecurityException giveUp) {
1064	>	return;
1065	>	}
1066		}
626	–	}
1067
1068	<	/**
1069	<	* Checks that the threads do not terminate within the default
1070	<	* millisecond delay of {@code timeoutMillis()}.
1071	<	*/
1072	<	void assertThreadsStayAlive(Thread... threads) {
1073	<	assertThreadsStayAlive(timeoutMillis(), threads);
1068	>	ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1069	>	System.err.println("------ stacktrace dump start ------");
1070	>	for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1071	>	final String name = info.getThreadName();
1072	>	String lockName;
1073	>	if ("Signal Dispatcher".equals(name))
1074	>	continue;
1075	>	if ("Reference Handler".equals(name)
1076	>	&& (lockName = info.getLockName()) != null
1077	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1078	>	continue;
1079	>	if ("Finalizer".equals(name)
1080	>	&& (lockName = info.getLockName()) != null
1081	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1082	>	continue;
1083	>	if ("checkForWedgedTest".equals(name))
1084	>	continue;
1085	>	System.err.print(info);
1086	>	}
1087	>	System.err.println("------ stacktrace dump end ------");
1088	>
1089	>	if (sm != null) System.setSecurityManager(sm);
1090		}
1091
1092		/**
1093	<	* Checks that the threads do not terminate within the given millisecond delay.
1093	>	* Checks that thread eventually enters the expected blocked thread state.
1094		*/
1095	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1096	<	try {
1097	<	// No need to optimize the failing case via Thread.join.
1098	<	delay(millis);
1099	<	for (Thread thread : threads)
1100	<	assertTrue(thread.isAlive());
1101	<	} catch (InterruptedException ie) {
1102	<	fail("Unexpected InterruptedException");
1095	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1096	>	// always sleep at least 1 ms, with high probability avoiding
1097	>	// transitory states
1098	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1099	>	try { delay(1); }
1100	>	catch (InterruptedException fail) {
1101	>	fail("Unexpected InterruptedException");
1102	>	}
1103	>	Thread.State s = thread.getState();
1104	>	if (s == expected)
1105	>	return;
1106	>	else if (s == Thread.State.TERMINATED)
1107	>	fail("Unexpected thread termination");
1108		}
1109	+	fail("timed out waiting for thread to enter thread state " + expected);
1110		}
1111
1112		/**
#	Line 664 | Line 1126 | public class JSR166TestCase extends Test
1126		future.get(timeoutMillis, MILLISECONDS);
1127		shouldThrow();
1128		} catch (TimeoutException success) {
1129	<	} catch (Exception e) {
1130	<	threadUnexpectedException(e);
1129	>	} catch (Exception fail) {
1130	>	threadUnexpectedException(fail);
1131		} finally { future.cancel(true); }
1132		assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1133		}
#	Line 685 | Line 1147 | public class JSR166TestCase extends Test
1147		}
1148
1149		/**
1150	+	* The maximum number of consecutive spurious wakeups we should
1151	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1152	+	*/
1153	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1154	+
1155	+	/**
1156		* The number of elements to place in collections, arrays, etc.
1157		*/
1158		public static final int SIZE = 20;
#	Line 709 | Line 1177 | public class JSR166TestCase extends Test
1177		public static final Integer m6  = new Integer(-6);
1178		public static final Integer m10 = new Integer(-10);
1179
712	–
1180		/**
1181		* Runs Runnable r with a security policy that permits precisely
1182		* the specified permissions.  If there is no current security
#	Line 789 | Line 1256 | public class JSR166TestCase extends Test
1256		}
1257		public void refresh() {}
1258		public String toString() {
1259	<	List<Permission> ps = new ArrayList<Permission>();
1259	>	List<Permission> ps = new ArrayList<>();
1260		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1261		ps.add(e.nextElement());
1262		return "AdjustablePolicy with permissions " + ps;
#	Line 819 | Line 1286 | public class JSR166TestCase extends Test
1286		* Sleeps until the given time has elapsed.
1287		* Throws AssertionFailedError if interrupted.
1288		*/
1289	<	void sleep(long millis) {
1289	>	static void sleep(long millis) {
1290		try {
1291		delay(millis);
1292	<	} catch (InterruptedException ie) {
1292	>	} catch (InterruptedException fail) {
1293		AssertionFailedError afe =
1294		new AssertionFailedError("Unexpected InterruptedException");
1295	<	afe.initCause(ie);
1295	>	afe.initCause(fail);
1296		throw afe;
1297		}
1298		}
#	Line 835 | Line 1302 | public class JSR166TestCase extends Test
1302		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1303		*/
1304		void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1305	<	long startTime = System.nanoTime();
1305	>	long startTime = 0L;
1306		for (;;) {
1307		Thread.State s = thread.getState();
1308		if (s == Thread.State.BLOCKED ||
#	Line 844 | Line 1311 | public class JSR166TestCase extends Test
1311		return;
1312		else if (s == Thread.State.TERMINATED)
1313		fail("Unexpected thread termination");
1314	+	else if (startTime == 0L)
1315	+	startTime = System.nanoTime();
1316		else if (millisElapsedSince(startTime) > timeoutMillis) {
1317		threadAssertTrue(thread.isAlive());
1318	<	return;
1318	>	fail("timed out waiting for thread to enter wait state");
1319	>	}
1320	>	Thread.yield();
1321	>	}
1322	>	}
1323	>
1324	>	/**
1325	>	* Spin-waits up to the specified number of milliseconds for the given
1326	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1327	>	* and additionally satisfy the given condition.
1328	>	*/
1329	>	void waitForThreadToEnterWaitState(
1330	>	Thread thread, long timeoutMillis, Callable<Boolean> waitingForGodot) {
1331	>	long startTime = 0L;
1332	>	for (;;) {
1333	>	Thread.State s = thread.getState();
1334	>	if (s == Thread.State.BLOCKED ||
1335	>	s == Thread.State.WAITING ||
1336	>	s == Thread.State.TIMED_WAITING) {
1337	>	try {
1338	>	if (waitingForGodot.call())
1339	>	return;
1340	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1341	>	}
1342	>	else if (s == Thread.State.TERMINATED)
1343	>	fail("Unexpected thread termination");
1344	>	else if (startTime == 0L)
1345	>	startTime = System.nanoTime();
1346	>	else if (millisElapsedSince(startTime) > timeoutMillis) {
1347	>	threadAssertTrue(thread.isAlive());
1348	>	fail("timed out waiting for thread to enter wait state");
1349		}
1350		Thread.yield();
1351		}
1352		}
1353
1354		/**
1355	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1356	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1355	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1356	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1357		*/
1358		void waitForThreadToEnterWaitState(Thread thread) {
1359		waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1360		}
1361
1362		/**
1363	+	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1364	+	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1365	+	* and additionally satisfy the given condition.
1366	+	*/
1367	+	void waitForThreadToEnterWaitState(
1368	+	Thread thread, Callable<Boolean> waitingForGodot) {
1369	+	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1370	+	}
1371	+
1372	+	/**
1373		* Returns the number of milliseconds since time given by
1374		* startNanoTime, which must have been previously returned from a
1375	<	* call to {@link System.nanoTime()}.
1375	>	* call to {@link System#nanoTime()}.
1376		*/
1377	<	long millisElapsedSince(long startNanoTime) {
1377	>	static long millisElapsedSince(long startNanoTime) {
1378		return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1379		}
1380
1381	+	//     void assertTerminatesPromptly(long timeoutMillis, Runnable r) {
1382	+	//         long startTime = System.nanoTime();
1383	+	//         try {
1384	+	//             r.run();
1385	+	//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1386	+	//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1387	+	//             throw new AssertionFailedError("did not return promptly");
1388	+	//     }
1389	+
1390	+	//     void assertTerminatesPromptly(Runnable r) {
1391	+	//         assertTerminatesPromptly(LONG_DELAY_MS/2, r);
1392	+	//     }
1393	+
1394	+	/**
1395	+	* Checks that timed f.get() returns the expected value, and does not
1396	+	* wait for the timeout to elapse before returning.
1397	+	*/
1398	+	<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1399	+	long startTime = System.nanoTime();
1400	+	try {
1401	+	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1402	+	} catch (Throwable fail) { threadUnexpectedException(fail); }
1403	+	if (millisElapsedSince(startTime) > timeoutMillis/2)
1404	+	throw new AssertionFailedError("timed get did not return promptly");
1405	+	}
1406	+
1407	+	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1408	+	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1409	+	}
1410	+
1411		/**
1412		* Returns a new started daemon Thread running the given runnable.
1413		*/
#	Line 887 | Line 1426 | public class JSR166TestCase extends Test
1426		void awaitTermination(Thread t, long timeoutMillis) {
1427		try {
1428		t.join(timeoutMillis);
1429	<	} catch (InterruptedException ie) {
1430	<	threadUnexpectedException(ie);
1429	>	} catch (InterruptedException fail) {
1430	>	threadUnexpectedException(fail);
1431		} finally {
1432		if (t.getState() != Thread.State.TERMINATED) {
1433		t.interrupt();
1434	<	fail("Test timed out");
1434	>	threadFail("timed out waiting for thread to terminate");
1435		}
1436		}
1437		}
#	Line 914 | Line 1453 | public class JSR166TestCase extends Test
1453		public final void run() {
1454		try {
1455		realRun();
1456	<	} catch (Throwable t) {
1457	<	threadUnexpectedException(t);
1456	>	} catch (Throwable fail) {
1457	>	threadUnexpectedException(fail);
1458		}
1459		}
1460		}
#	Line 969 | Line 1508 | public class JSR166TestCase extends Test
1508		threadShouldThrow("InterruptedException");
1509		} catch (InterruptedException success) {
1510		threadAssertFalse(Thread.interrupted());
1511	<	} catch (Throwable t) {
1512	<	threadUnexpectedException(t);
1511	>	} catch (Throwable fail) {
1512	>	threadUnexpectedException(fail);
1513		}
1514		}
1515		}
#	Line 981 | Line 1520 | public class JSR166TestCase extends Test
1520		public final T call() {
1521		try {
1522		return realCall();
1523	<	} catch (Throwable t) {
1524	<	threadUnexpectedException(t);
1523	>	} catch (Throwable fail) {
1524	>	threadUnexpectedException(fail);
1525		return null;
1526		}
1527		}
#	Line 999 | Line 1538 | public class JSR166TestCase extends Test
1538		return result;
1539		} catch (InterruptedException success) {
1540		threadAssertFalse(Thread.interrupted());
1541	<	} catch (Throwable t) {
1542	<	threadUnexpectedException(t);
1541	>	} catch (Throwable fail) {
1542	>	threadUnexpectedException(fail);
1543		}
1544		return null;
1545		}
#	Line 1017 | Line 1556 | public class JSR166TestCase extends Test
1556		public static final String TEST_STRING = "a test string";
1557
1558		public static class StringTask implements Callable<String> {
1559	<	public String call() { return TEST_STRING; }
1559	>	final String value;
1560	>	public StringTask() { this(TEST_STRING); }
1561	>	public StringTask(String value) { this.value = value; }
1562	>	public String call() { return value; }
1563		}
1564
1565		public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
#	Line 1030 | Line 1572 | public class JSR166TestCase extends Test
1572		}};
1573		}
1574
1575	<	public Runnable awaiter(final CountDownLatch latch) {
1575	>	public Runnable countDowner(final CountDownLatch latch) {
1576		return new CheckedRunnable() {
1577		public void realRun() throws InterruptedException {
1578	<	await(latch);
1578	>	latch.countDown();
1579		}};
1580		}
1581
1582	<	public void await(CountDownLatch latch) {
1582	>	class LatchAwaiter extends CheckedRunnable {
1583	>	static final int NEW = 0;
1584	>	static final int RUNNING = 1;
1585	>	static final int DONE = 2;
1586	>	final CountDownLatch latch;
1587	>	int state = NEW;
1588	>	LatchAwaiter(CountDownLatch latch) { this.latch = latch; }
1589	>	public void realRun() throws InterruptedException {
1590	>	state = 1;
1591	>	await(latch);
1592	>	state = 2;
1593	>	}
1594	>	}
1595	>
1596	>	public LatchAwaiter awaiter(CountDownLatch latch) {
1597	>	return new LatchAwaiter(latch);
1598	>	}
1599	>
1600	>	public void await(CountDownLatch latch, long timeoutMillis) {
1601		try {
1602	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1603	<	} catch (Throwable t) {
1604	<	threadUnexpectedException(t);
1602	>	if (!latch.await(timeoutMillis, MILLISECONDS))
1603	>	fail("timed out waiting for CountDownLatch for "
1604	>	+ (timeoutMillis/1000) + " sec");
1605	>	} catch (Throwable fail) {
1606	>	threadUnexpectedException(fail);
1607		}
1608		}
1609
1610	+	public void await(CountDownLatch latch) {
1611	+	await(latch, LONG_DELAY_MS);
1612	+	}
1613	+
1614		public void await(Semaphore semaphore) {
1615		try {
1616	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1617	<	} catch (Throwable t) {
1618	<	threadUnexpectedException(t);
1616	>	if (!semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS))
1617	>	fail("timed out waiting for Semaphore for "
1618	>	+ (LONG_DELAY_MS/1000) + " sec");
1619	>	} catch (Throwable fail) {
1620	>	threadUnexpectedException(fail);
1621	>	}
1622	>	}
1623	>
1624	>	public void await(CyclicBarrier barrier) {
1625	>	try {
1626	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1627	>	} catch (Throwable fail) {
1628	>	threadUnexpectedException(fail);
1629		}
1630		}
1631
#	Line 1076 | Line 1652 | public class JSR166TestCase extends Test
1652		public String call() { throw new NullPointerException(); }
1653		}
1654
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	–
1655		public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1656		protected void realRun() {
1657		try {
#	Line 1106 | Line 1660 | public class JSR166TestCase extends Test
1660		}
1661		}
1662
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	–
1663		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1664		return new CheckedRunnable() {
1665		protected void realRun() {
#	Line 1134 | Line 1669 | public class JSR166TestCase extends Test
1669		}};
1670		}
1671
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	–
1672		/**
1673		* For use as ThreadFactory in constructors
1674		*/
#	Line 1163 | Line 1682 | public class JSR166TestCase extends Test
1682		boolean isDone();
1683		}
1684
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	–
1685		public static class TrackedNoOpRunnable implements Runnable {
1686		public volatile boolean done = false;
1687		public void run() {
#	Line 1223 | Line 1689 | public class JSR166TestCase extends Test
1689		}
1690		}
1691
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	–
1692		/**
1693		* Analog of CheckedRunnable for RecursiveAction
1694		*/
#	Line 1243 | Line 1698 | public class JSR166TestCase extends Test
1698		@Override protected final void compute() {
1699		try {
1700		realCompute();
1701	<	} catch (Throwable t) {
1702	<	threadUnexpectedException(t);
1701	>	} catch (Throwable fail) {
1702	>	threadUnexpectedException(fail);
1703		}
1704		}
1705		}
#	Line 1258 | Line 1713 | public class JSR166TestCase extends Test
1713		@Override protected final T compute() {
1714		try {
1715		return realCompute();
1716	<	} catch (Throwable t) {
1717	<	threadUnexpectedException(t);
1716	>	} catch (Throwable fail) {
1717	>	threadUnexpectedException(fail);
1718		return null;
1719		}
1720		}
#	Line 1277 | Line 1732 | public class JSR166TestCase extends Test
1732		* A CyclicBarrier that uses timed await and fails with
1733		* AssertionFailedErrors instead of throwing checked exceptions.
1734		*/
1735	<	public class CheckedBarrier extends CyclicBarrier {
1735	>	public static class CheckedBarrier extends CyclicBarrier {
1736		public CheckedBarrier(int parties) { super(parties); }
1737
1738		public int await() {
1739		try {
1740		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1741	<	} catch (TimeoutException e) {
1741	>	} catch (TimeoutException timedOut) {
1742		throw new AssertionFailedError("timed out");
1743	<	} catch (Exception e) {
1743	>	} catch (Exception fail) {
1744		AssertionFailedError afe =
1745	<	new AssertionFailedError("Unexpected exception: " + e);
1746	<	afe.initCause(e);
1745	>	new AssertionFailedError("Unexpected exception: " + fail);
1746	>	afe.initCause(fail);
1747		throw afe;
1748		}
1749		}
#	Line 1300 | Line 1755 | public class JSR166TestCase extends Test
1755		assertEquals(0, q.size());
1756		assertNull(q.peek());
1757		assertNull(q.poll());
1758	<	assertNull(q.poll(0, MILLISECONDS));
1758	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1759		assertEquals(q.toString(), "[]");
1760		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1761		assertFalse(q.iterator().hasNext());
#	Line 1316 | Line 1771 | public class JSR166TestCase extends Test
1771		q.remove();
1772		shouldThrow();
1773		} catch (NoSuchElementException success) {}
1774	<	} catch (InterruptedException ie) {
1320	<	threadUnexpectedException(ie);
1321	<	}
1774	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1775		}
1776
1777		void assertSerialEquals(Object x, Object y) {
#	Line 1337 | Line 1790 | public class JSR166TestCase extends Test
1790		oos.flush();
1791		oos.close();
1792		return bos.toByteArray();
1793	<	} catch (Throwable t) {
1794	<	threadUnexpectedException(t);
1793	>	} catch (Throwable fail) {
1794	>	threadUnexpectedException(fail);
1795		return new byte[0];
1796		}
1797		}
1798
1799	+	void assertImmutable(final Object o) {
1800	+	if (o instanceof Collection) {
1801	+	assertThrows(
1802	+	UnsupportedOperationException.class,
1803	+	new Runnable() { public void run() {
1804	+	((Collection) o).add(null);}});
1805	+	}
1806	+	}
1807	+
1808		@SuppressWarnings("unchecked")
1809		<T> T serialClone(T o) {
1810		try {
1811		ObjectInputStream ois = new ObjectInputStream
1812		(new ByteArrayInputStream(serialBytes(o)));
1813		T clone = (T) ois.readObject();
1814	+	if (o == clone) assertImmutable(o);
1815		assertSame(o.getClass(), clone.getClass());
1816		return clone;
1817	<	} catch (Throwable t) {
1818	<	threadUnexpectedException(t);
1817	>	} catch (Throwable fail) {
1818	>	threadUnexpectedException(fail);
1819		return null;
1820		}
1821		}
1822
1823	+	/**
1824	+	* A version of serialClone that leaves error handling (for
1825	+	* e.g. NotSerializableException) up to the caller.
1826	+	*/
1827	+	@SuppressWarnings("unchecked")
1828	+	<T> T serialClonePossiblyFailing(T o)
1829	+	throws ReflectiveOperationException, java.io.IOException {
1830	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1831	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1832	+	oos.writeObject(o);
1833	+	oos.flush();
1834	+	oos.close();
1835	+	ObjectInputStream ois = new ObjectInputStream
1836	+	(new ByteArrayInputStream(bos.toByteArray()));
1837	+	T clone = (T) ois.readObject();
1838	+	if (o == clone) assertImmutable(o);
1839	+	assertSame(o.getClass(), clone.getClass());
1840	+	return clone;
1841	+	}
1842	+
1843	+	/**
1844	+	* If o implements Cloneable and has a public clone method,
1845	+	* returns a clone of o, else null.
1846	+	*/
1847	+	@SuppressWarnings("unchecked")
1848	+	<T> T cloneableClone(T o) {
1849	+	if (!(o instanceof Cloneable)) return null;
1850	+	final T clone;
1851	+	try {
1852	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1853	+	} catch (NoSuchMethodException ok) {
1854	+	return null;
1855	+	} catch (ReflectiveOperationException unexpected) {
1856	+	throw new Error(unexpected);
1857	+	}
1858	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1859	+	assertSame(o.getClass(), clone.getClass());
1860	+	return clone;
1861	+	}
1862	+
1863		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
1864		Runnable... throwingActions) {
1865		for (Runnable throwingAction : throwingActions) {
#	Line 1377 | Line 1880 | public class JSR166TestCase extends Test
1880		shouldThrow(expectedExceptionClass.getName());
1881		}
1882		}
1883	+
1884	+	public void assertIteratorExhausted(Iterator<?> it) {
1885	+	try {
1886	+	it.next();
1887	+	shouldThrow();
1888	+	} catch (NoSuchElementException success) {}
1889	+	assertFalse(it.hasNext());
1890	+	}
1891	+
1892	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1893	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1894	+	}
1895	+
1896	+	public Runnable runnableThrowing(final RuntimeException ex) {
1897	+	return new Runnable() { public void run() { throw ex; }};
1898	+	}
1899	+
1900	+	/** A reusable thread pool to be shared by tests. */
1901	+	static final ExecutorService cachedThreadPool =
1902	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1903	+	1000L, MILLISECONDS,
1904	+	new SynchronousQueue<Runnable>());
1905	+
1906	+	static <T> void shuffle(T[] array) {
1907	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1908	+	}
1909	+
1910	+	/**
1911	+	* Returns the same String as would be returned by {@link
1912	+	* Object#toString}, whether or not the given object's class
1913	+	* overrides toString().
1914	+	*
1915	+	* @see System#identityHashCode
1916	+	*/
1917	+	static String identityString(Object x) {
1918	+	return x.getClass().getName()
1919	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1920	+	}
1921	+
1922	+	// --- Shared assertions for Executor tests ---
1923	+
1924	+	/**
1925	+	* Returns maximum number of tasks that can be submitted to given
1926	+	* pool (with bounded queue) before saturation (when submission
1927	+	* throws RejectedExecutionException).
1928	+	*/
1929	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1930	+	BlockingQueue<Runnable> q = pool.getQueue();
1931	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1932	+	}
1933	+
1934	+	@SuppressWarnings("FutureReturnValueIgnored")
1935	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1936	+	try {
1937	+	e.execute((Runnable) null);
1938	+	shouldThrow();
1939	+	} catch (NullPointerException success) {}
1940	+
1941	+	if (! (e instanceof ExecutorService)) return;
1942	+	ExecutorService es = (ExecutorService) e;
1943	+	try {
1944	+	es.submit((Runnable) null);
1945	+	shouldThrow();
1946	+	} catch (NullPointerException success) {}
1947	+	try {
1948	+	es.submit((Runnable) null, Boolean.TRUE);
1949	+	shouldThrow();
1950	+	} catch (NullPointerException success) {}
1951	+	try {
1952	+	es.submit((Callable) null);
1953	+	shouldThrow();
1954	+	} catch (NullPointerException success) {}
1955	+
1956	+	if (! (e instanceof ScheduledExecutorService)) return;
1957	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1958	+	try {
1959	+	ses.schedule((Runnable) null,
1960	+	randomTimeout(), randomTimeUnit());
1961	+	shouldThrow();
1962	+	} catch (NullPointerException success) {}
1963	+	try {
1964	+	ses.schedule((Callable) null,
1965	+	randomTimeout(), randomTimeUnit());
1966	+	shouldThrow();
1967	+	} catch (NullPointerException success) {}
1968	+	try {
1969	+	ses.scheduleAtFixedRate((Runnable) null,
1970	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1971	+	shouldThrow();
1972	+	} catch (NullPointerException success) {}
1973	+	try {
1974	+	ses.scheduleWithFixedDelay((Runnable) null,
1975	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1976	+	shouldThrow();
1977	+	} catch (NullPointerException success) {}
1978	+	}
1979	+
1980	+	void setRejectedExecutionHandler(
1981	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1982	+	p.setRejectedExecutionHandler(handler);
1983	+	assertSame(handler, p.getRejectedExecutionHandler());
1984	+	}
1985	+
1986	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1987	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1988	+	final long savedTaskCount = p.getTaskCount();
1989	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1990	+	final int savedQueueSize = p.getQueue().size();
1991	+	final boolean stock = (p.getClass().getClassLoader() == null);
1992	+
1993	+	Runnable r = () -> {};
1994	+	Callable<Boolean> c = () -> Boolean.TRUE;
1995	+
1996	+	class Recorder implements RejectedExecutionHandler {
1997	+	public volatile Runnable r = null;
1998	+	public volatile ThreadPoolExecutor p = null;
1999	+	public void reset() { r = null; p = null; }
2000	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
2001	+	assertNull(this.r);
2002	+	assertNull(this.p);
2003	+	this.r = r;
2004	+	this.p = p;
2005	+	}
2006	+	}
2007	+
2008	+	// check custom handler is invoked exactly once per task
2009	+	Recorder recorder = new Recorder();
2010	+	setRejectedExecutionHandler(p, recorder);
2011	+	for (int i = 2; i--> 0; ) {
2012	+	recorder.reset();
2013	+	p.execute(r);
2014	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
2015	+	assertSame(r, recorder.r);
2016	+	assertSame(p, recorder.p);
2017	+
2018	+	recorder.reset();
2019	+	assertFalse(p.submit(r).isDone());
2020	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2021	+	assertSame(p, recorder.p);
2022	+
2023	+	recorder.reset();
2024	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
2025	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2026	+	assertSame(p, recorder.p);
2027	+
2028	+	recorder.reset();
2029	+	assertFalse(p.submit(c).isDone());
2030	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2031	+	assertSame(p, recorder.p);
2032	+
2033	+	if (p instanceof ScheduledExecutorService) {
2034	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
2035	+	ScheduledFuture<?> future;
2036	+
2037	+	recorder.reset();
2038	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
2039	+	assertFalse(future.isDone());
2040	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2041	+	assertSame(p, recorder.p);
2042	+
2043	+	recorder.reset();
2044	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
2045	+	assertFalse(future.isDone());
2046	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2047	+	assertSame(p, recorder.p);
2048	+
2049	+	recorder.reset();
2050	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2051	+	assertFalse(future.isDone());
2052	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2053	+	assertSame(p, recorder.p);
2054	+
2055	+	recorder.reset();
2056	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2057	+	assertFalse(future.isDone());
2058	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2059	+	assertSame(p, recorder.p);
2060	+	}
2061	+	}
2062	+
2063	+	// Checking our custom handler above should be sufficient, but
2064	+	// we add some integration tests of standard handlers.
2065	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2066	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2067	+
2068	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2069	+	try {
2070	+	p.execute(setThread);
2071	+	shouldThrow();
2072	+	} catch (RejectedExecutionException success) {}
2073	+	assertNull(thread.get());
2074	+
2075	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2076	+	p.execute(setThread);
2077	+	assertNull(thread.get());
2078	+
2079	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2080	+	p.execute(setThread);
2081	+	if (p.isShutdown())
2082	+	assertNull(thread.get());
2083	+	else
2084	+	assertSame(Thread.currentThread(), thread.get());
2085	+
2086	+	setRejectedExecutionHandler(p, savedHandler);
2087	+
2088	+	// check that pool was not perturbed by handlers
2089	+	assertEquals(savedTaskCount, p.getTaskCount());
2090	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2091	+	assertEquals(savedQueueSize, p.getQueue().size());
2092	+	}
2093		}

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