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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.25 by dl, Tue Mar 1 01:32:00 2005 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
4	<	* http://creativecommons.org/licenses/publicdomain
5	<	* Other contributors include Andrew Wright, Jeffrey Hayes,
6	<	* Pat Fisher, Mike Judd.
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.*;
11	<	import java.util.*;
12	<	import java.util.concurrent.*;
13	<	import java.io.*;
14	<	import java.security.*;
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.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 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,
110		* utility methods and classes, as well as a simple framework for
111		* helping to make sure that assertions failing in generated threads
112		* cause the associated test that generated them to itself fail (which
113	<	* JUnit doe not otherwise arrange).  The rules for creating such
113	>	* JUnit does not otherwise arrange).  The rules for creating such
114		* tests are:
115		*
116		* <ol>
117		*
118	<	* <li> All assertions in code running in generated threads must use
119	<	* the forms {@link #threadFail} , {@link #threadAssertTrue} {@link
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	<	* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but 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
127	<	* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
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 <tt>
132	<	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
133	<	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
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},
133	>	* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
134		* discriminable from zero time, and always allows enough time for the
135		* small amounts of computation (creating a thread, calling a few
136		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
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
143	<	* method (or <tt>fail</tt> to do so) before returning from the
144	<	* method. The <tt> joinPool</tt> method can be used to do this when
145	<	* using Executors.</li>
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.
146		*
147		* </ol>
148		*
149	<	* <p> <b>Other notes</b>
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
158	<	* isolation.</li>
159	<	*
67	<	* <li> The documentation style for testcases is to provide as javadoc
157	>	* cover multiple methods when they cannot be tested in isolation.
158	>	*
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 <tt>main</tt> 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		*/
180		public class JSR166TestCase extends TestCase {
181	+	private static final boolean useSecurityManager =
182	+	Boolean.getBoolean("jsr166.useSecurityManager");
183	+
184	+	protected static final boolean expensiveTests =
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	+	*/
198	+	private static final boolean profileTests =
199	+	Boolean.getBoolean("jsr166.profileTests");
200	+
201	+	/**
202	+	* The number of milliseconds that tests are permitted for
203	+	* execution without being reported, when profileTests is set.
204	+	*/
205	+	private static final long profileThreshold =
206	+	Long.getLong("jsr166.profileThreshold", 100);
207	+
208	+	/**
209	+	* The number of repetitions per test (for tickling rare bugs).
210	+	*/
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	<	* Runs all JSR166 unit tests using junit.textui.TestRunner
238	<	*/
239	<	public static void main (String[] args) {
240	<	int iters = 1;
241	<	if (args.length > 0)
242	<	iters = Integer.parseInt(args[0]);
243	<	Test s = suite();
244	<	for (int i = 0; i < iters; ++i) {
245	<	junit.textui.TestRunner.run (s);
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
332	>	super.runTest();
333	>	}
334	>	}
335	>
336	>	protected void runTestProfiled() throws Throwable {
337	>	for (int i = 0; i < 2; i++) {
338	>	long startTime = System.nanoTime();
339	>	super.runTest();
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.
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	>	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		}
102	–	System.exit(0);
402		}
403
404	+	public static TestSuite newTestSuite(Object... suiteOrClasses) {
405	+	TestSuite suite = new TestSuite();
406	+	for (Object suiteOrClass : suiteOrClasses) {
407	+	if (suiteOrClass instanceof TestSuite)
408	+	suite.addTest((TestSuite) suiteOrClass);
409	+	else if (suiteOrClass instanceof Class)
410	+	suite.addTest(new TestSuite((Class<?>) suiteOrClass));
411	+	else
412	+	throw new ClassCastException("not a test suite or class");
413	+	}
414	+	return suite;
415	+	}
416	+
417	+	public static void addNamedTestClasses(TestSuite suite,
418	+	String... testClassNames) {
419	+	for (String testClassName : testClassNames) {
420	+	try {
421	+	Class<?> testClass = Class.forName(testClassName);
422	+	Method m = testClass.getDeclaredMethod("suite",
423	+	new Class<?>[0]);
424	+	suite.addTest(newTestSuite((Test)m.invoke(null)));
425	+	} catch (Exception e) {
426	+	throw new Error("Missing test class", e);
427	+	}
428	+	}
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; }
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
456	<	*/
457	<	public static Test suite ( ) {
458	<	TestSuite suite = new TestSuite("JSR166 Unit Tests");
459	<
460	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
461	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
462	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
463	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
464	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
465	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
466	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
467	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
468	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
469	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
470	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
471	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
472	<	suite.addTest(new TestSuite(AtomicLongTest.class));
473	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
474	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
475	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
476	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
477	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
478	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
479	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
480	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
481	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
482	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
483	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
484	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
485	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
486	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
487	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
488	<	suite.addTest(new TestSuite(DelayQueueTest.class));
489	<	suite.addTest(new TestSuite(ExchangerTest.class));
490	<	suite.addTest(new TestSuite(ExecutorsTest.class));
491	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
492	<	suite.addTest(new TestSuite(FutureTaskTest.class));
493	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
494	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
495	<	suite.addTest(new TestSuite(LinkedListTest.class));
496	<	suite.addTest(new TestSuite(LockSupportTest.class));
497	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
498	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
499	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
500	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
501	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
502	<	suite.addTest(new TestSuite(SemaphoreTest.class));
503	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
504	<	suite.addTest(new TestSuite(SystemTest.class));
505	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
506	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
507	<	suite.addTest(new TestSuite(ThreadTest.class));
508	<	suite.addTest(new TestSuite(TimeUnitTest.class));
509	<	suite.addTest(new TestSuite(TreeMapTest.class));
510	<	suite.addTest(new TestSuite(TreeSetTest.class));
511	<
455	>	* Collects all JSR166 unit tests as one suite.
456	>	*/
457	>	public static Test suite() {
458	>	// Java7+ test classes
459	>	TestSuite suite = newTestSuite(
460	>	ForkJoinPoolTest.suite(),
461	>	ForkJoinTaskTest.suite(),
462	>	RecursiveActionTest.suite(),
463	>	RecursiveTaskTest.suite(),
464	>	LinkedTransferQueueTest.suite(),
465	>	PhaserTest.suite(),
466	>	ThreadLocalRandomTest.suite(),
467	>	AbstractExecutorServiceTest.suite(),
468	>	AbstractQueueTest.suite(),
469	>	AbstractQueuedSynchronizerTest.suite(),
470	>	AbstractQueuedLongSynchronizerTest.suite(),
471	>	ArrayBlockingQueueTest.suite(),
472	>	ArrayDequeTest.suite(),
473	>	ArrayListTest.suite(),
474	>	AtomicBooleanTest.suite(),
475	>	AtomicIntegerArrayTest.suite(),
476	>	AtomicIntegerFieldUpdaterTest.suite(),
477	>	AtomicIntegerTest.suite(),
478	>	AtomicLongArrayTest.suite(),
479	>	AtomicLongFieldUpdaterTest.suite(),
480	>	AtomicLongTest.suite(),
481	>	AtomicMarkableReferenceTest.suite(),
482	>	AtomicReferenceArrayTest.suite(),
483	>	AtomicReferenceFieldUpdaterTest.suite(),
484	>	AtomicReferenceTest.suite(),
485	>	AtomicStampedReferenceTest.suite(),
486	>	ConcurrentHashMapTest.suite(),
487	>	ConcurrentLinkedDequeTest.suite(),
488	>	ConcurrentLinkedQueueTest.suite(),
489	>	ConcurrentSkipListMapTest.suite(),
490	>	ConcurrentSkipListSubMapTest.suite(),
491	>	ConcurrentSkipListSetTest.suite(),
492	>	ConcurrentSkipListSubSetTest.suite(),
493	>	CopyOnWriteArrayListTest.suite(),
494	>	CopyOnWriteArraySetTest.suite(),
495	>	CountDownLatchTest.suite(),
496	>	CountedCompleterTest.suite(),
497	>	CyclicBarrierTest.suite(),
498	>	DelayQueueTest.suite(),
499	>	EntryTest.suite(),
500	>	ExchangerTest.suite(),
501	>	ExecutorsTest.suite(),
502	>	ExecutorCompletionServiceTest.suite(),
503	>	FutureTaskTest.suite(),
504	>	LinkedBlockingDequeTest.suite(),
505	>	LinkedBlockingQueueTest.suite(),
506	>	LinkedListTest.suite(),
507	>	LockSupportTest.suite(),
508	>	PriorityBlockingQueueTest.suite(),
509	>	PriorityQueueTest.suite(),
510	>	ReentrantLockTest.suite(),
511	>	ReentrantReadWriteLockTest.suite(),
512	>	ScheduledExecutorTest.suite(),
513	>	ScheduledExecutorSubclassTest.suite(),
514	>	SemaphoreTest.suite(),
515	>	SynchronousQueueTest.suite(),
516	>	SystemTest.suite(),
517	>	ThreadLocalTest.suite(),
518	>	ThreadPoolExecutorTest.suite(),
519	>	ThreadPoolExecutorSubclassTest.suite(),
520	>	ThreadTest.suite(),
521	>	TimeUnitTest.suite(),
522	>	TreeMapTest.suite(),
523	>	TreeSetTest.suite(),
524	>	TreeSubMapTest.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	>	"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 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	<	* Return the shortest timed delay. This could
670	<	* be reimplemented to use for example a Property.
671	<	*/
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
181	–
678		/**
679	<	* Set delays as multiples of SHORT_DELAY.
679	>	* Sets delays as multiples of SHORT_DELAY.
680		*/
681	<	protected  void setDelays() {
681	>	protected void setDelays() {
682		SHORT_DELAY_MS = getShortDelay();
683	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
683	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
684		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
685	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
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	<	* Flag set true if any threadAssert methods fail
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	<	volatile boolean threadFailed;
697	>	static long timeoutMillis() {
698	>	return TIMEOUT_DELAY_MS;
699	>	}
700
701		/**
702	<	* Initialize test to indicate that no thread assertions have failed
702	>	* Returns a new Date instance representing a time at least
703	>	* delayMillis milliseconds in the future.
704		*/
705	<	public void setUp() {
705	>	Date delayedDate(long 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<>(null);
715	>
716	>	/**
717	>	* Records an exception so that it can be rethrown later in the test
718	>	* harness thread, triggering a test case failure.  Only the first
719	>	* failure is recorded; subsequent calls to this method from within
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	>
728	>	public void setUp() {
729		setDelays();
730	<	threadFailed = false;
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	<	* Trigger test case failure if any thread assertions have failed
740	>	* Extra checks that get done for all test cases.
741	>	*
742	>	* Triggers test case failure if any thread assertions have failed,
743	>	* by rethrowing, in the test harness thread, any exception recorded
744	>	* earlier by threadRecordFailure.
745	>	*
746	>	* Triggers test case failure if interrupt status is set in the main thread.
747		*/
748	<	public void tearDown() {
749	<	assertFalse(threadFailed);
748	>	public void tearDown() throws Exception {
749	>	Throwable t = threadFailure.getAndSet(null);
750	>	if (t != null) {
751	>	if (t instanceof Error)
752	>	throw (Error) t;
753	>	else if (t instanceof RuntimeException)
754	>	throw (RuntimeException) t;
755	>	else if (t instanceof Exception)
756	>	throw (Exception) t;
757	>	else {
758	>	AssertionFailedError afe =
759	>	new AssertionFailedError(t.toString());
760	>	afe.initCause(t);
761	>	throw afe;
762	>	}
763	>	}
764	>
765	>	if (Thread.interrupted())
766	>	tearDownFail("interrupt status set in main thread");
767	>
768	>	checkForkJoinPoolThreadLeaks();
769	>	}
770	>
771	>	/**
772	>	* Finds missing PoolCleaners
773	>	*/
774	>	void checkForkJoinPoolThreadLeaks() throws InterruptedException {
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];
779	>	String name = thread.getName();
780	>	if (name.startsWith("ForkJoinPool-")) {
781	>	// give thread some time to terminate
782	>	thread.join(LONG_DELAY_MS);
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		/**
795	<	* Fail, also setting status to indicate current testcase should fail
796	<	*/
795	>	* Just like fail(reason), but additionally recording (using
796	>	* threadRecordFailure) any AssertionFailedError thrown, so that
797	>	* the current testcase will fail.
798	>	*/
799		public void threadFail(String reason) {
800	<	threadFailed = true;
801	<	fail(reason);
800	>	try {
801	>	fail(reason);
802	>	} catch (AssertionFailedError t) {
803	>	threadRecordFailure(t);
804	>	throw t;
805	>	}
806		}
807
808		/**
809	<	* If expression not true, set status to indicate current testcase
810	<	* should fail
811	<	*/
809	>	* Just like assertTrue(b), but additionally recording (using
810	>	* threadRecordFailure) any AssertionFailedError thrown, so that
811	>	* the current testcase will fail.
812	>	*/
813		public void threadAssertTrue(boolean b) {
814	<	if (!b) {
226	<	threadFailed = true;
814	>	try {
815		assertTrue(b);
816	+	} catch (AssertionFailedError t) {
817	+	threadRecordFailure(t);
818	+	throw t;
819		}
820		}
821
822		/**
823	<	* If expression not false, set status to indicate current testcase
824	<	* should fail
825	<	*/
823	>	* Just like assertFalse(b), but additionally recording (using
824	>	* threadRecordFailure) any AssertionFailedError thrown, so that
825	>	* the current testcase will fail.
826	>	*/
827		public void threadAssertFalse(boolean b) {
828	<	if (b) {
237	<	threadFailed = true;
828	>	try {
829		assertFalse(b);
830	+	} catch (AssertionFailedError t) {
831	+	threadRecordFailure(t);
832	+	throw t;
833		}
834		}
835
836		/**
837	<	* If argument not null, set status to indicate current testcase
838	<	* should fail
839	<	*/
837	>	* Just like assertNull(x), but additionally recording (using
838	>	* threadRecordFailure) any AssertionFailedError thrown, so that
839	>	* the current testcase will fail.
840	>	*/
841		public void threadAssertNull(Object x) {
842	<	if (x != null) {
248	<	threadFailed = true;
842	>	try {
843		assertNull(x);
844	+	} catch (AssertionFailedError t) {
845	+	threadRecordFailure(t);
846	+	throw t;
847		}
848		}
849
850		/**
851	<	* If arguments not equal, set status to indicate current testcase
852	<	* should fail
853	<	*/
851	>	* Just like assertEquals(x, y), but additionally recording (using
852	>	* threadRecordFailure) any AssertionFailedError thrown, so that
853	>	* the current testcase will fail.
854	>	*/
855		public void threadAssertEquals(long x, long y) {
856	<	if (x != y) {
259	<	threadFailed = true;
856	>	try {
857		assertEquals(x, y);
858	+	} catch (AssertionFailedError t) {
859	+	threadRecordFailure(t);
860	+	throw t;
861		}
862		}
863
864		/**
865	<	* If arguments not equal, set status to indicate current testcase
866	<	* should fail
867	<	*/
865	>	* Just like assertEquals(x, y), but additionally recording (using
866	>	* threadRecordFailure) any AssertionFailedError thrown, so that
867	>	* the current testcase will fail.
868	>	*/
869		public void threadAssertEquals(Object x, Object y) {
870	<	if (x != y && (x == null || !x.equals(y))) {
270	<	threadFailed = true;
870	>	try {
871		assertEquals(x, y);
872	+	} catch (AssertionFailedError fail) {
873	+	threadRecordFailure(fail);
874	+	throw fail;
875	+	} catch (Throwable fail) {
876	+	threadUnexpectedException(fail);
877	+	}
878	+	}
879	+
880	+	/**
881	+	* Just like assertSame(x, y), but additionally recording (using
882	+	* threadRecordFailure) any AssertionFailedError thrown, so that
883	+	* the current testcase will fail.
884	+	*/
885	+	public void threadAssertSame(Object x, Object y) {
886	+	try {
887	+	assertSame(x, y);
888	+	} catch (AssertionFailedError fail) {
889	+	threadRecordFailure(fail);
890	+	throw fail;
891		}
892		}
893
894		/**
895	<	* threadFail with message "should throw exception"
896	<	*/
895	>	* Calls threadFail with message "should throw exception".
896	>	*/
897		public void threadShouldThrow() {
898	<	threadFailed = true;
899	<	fail("should throw exception");
898	>	threadFail("should throw exception");
899	>	}
900	>
901	>	/**
902	>	* Calls threadFail with message "should throw" + exceptionName.
903	>	*/
904	>	public void threadShouldThrow(String exceptionName) {
905	>	threadFail("should throw " + exceptionName);
906	>	}
907	>
908	>	/**
909	>	* Records the given exception using {@link #threadRecordFailure},
910	>	* then rethrows the exception, wrapping it in an
911	>	* AssertionFailedError if necessary.
912	>	*/
913	>	public void threadUnexpectedException(Throwable t) {
914	>	threadRecordFailure(t);
915	>	t.printStackTrace();
916	>	if (t instanceof RuntimeException)
917	>	throw (RuntimeException) t;
918	>	else if (t instanceof Error)
919	>	throw (Error) t;
920	>	else {
921	>	AssertionFailedError afe =
922	>	new AssertionFailedError("unexpected exception: " + t);
923	>	afe.initCause(t);
924	>	throw afe;
925	>	}
926		}
927
928		/**
929	<	* threadFail with message "Unexpected exception"
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.  Ensures that the given time, as measured
932	>	* by System.nanoTime(), has elapsed.
933		*/
934	<	public void threadUnexpectedException() {
935	<	threadFailed = true;
936	<	fail("Unexpected exception");
934	>	static void delay(long millis) throws InterruptedException {
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	>	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	<	* Wait out termination of a thread pool or fail doing so
1002	>	* Waits out termination of a thread pool or fails doing so.
1003		*/
1004	<	public void joinPool(ExecutorService exec) {
1004	>	void joinPool(ExecutorService pool) {
1005		try {
1006	<	exec.shutdown();
1007	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
1008	<	} catch(SecurityException ok) {
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 exception");
1019	>	} catch (InterruptedException fail) {
1020	>	threadFail("Unexpected InterruptedException");
1021	>	}
1022	>	}
1023	>
1024	>	/**
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	>	interface Action { public void run() throws Throwable; }
1030	>
1031	>	/**
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 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	>	* A debugging tool to print stack traces of most threads, as jstack does.
1056	>	* Uninteresting threads are filtered out.
1057	>	*/
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		}
1067	+
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 thread eventually enters the expected blocked thread state.
1094	+	*/
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	+	/**
1113	+	* Checks that future.get times out, with the default timeout of
1114	+	* {@code timeoutMillis()}.
1115	+	*/
1116	+	void assertFutureTimesOut(Future future) {
1117	+	assertFutureTimesOut(future, timeoutMillis());
1118		}
1119
1120	+	/**
1121	+	* Checks that future.get times out, with the given millisecond timeout.
1122	+	*/
1123	+	void assertFutureTimesOut(Future future, long timeoutMillis) {
1124	+	long startTime = System.nanoTime();
1125	+	try {
1126	+	future.get(timeoutMillis, MILLISECONDS);
1127	+	shouldThrow();
1128	+	} catch (TimeoutException success) {
1129	+	} catch (Exception fail) {
1130	+	threadUnexpectedException(fail);
1131	+	} finally { future.cancel(true); }
1132	+	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
1133	+	}
1134
1135		/**
1136	<	* fail with message "should throw exception"
1137	<	*/
1136	>	* Fails with message "should throw exception".
1137	>	*/
1138		public void shouldThrow() {
1139		fail("Should throw exception");
1140		}
1141
1142		/**
1143	<	* fail with message "Unexpected exception"
1143	>	* Fails with message "should throw " + exceptionName.
1144		*/
1145	<	public void unexpectedException() {
1146	<	fail("Unexpected exception");
1145	>	public void shouldThrow(String exceptionName) {
1146	>	fail("Should throw " + exceptionName);
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	<	static final int SIZE = 20;
1158	>	public static final int SIZE = 20;
1159
1160		// Some convenient Integer constants
1161
1162	<	static final Integer zero = new Integer(0);
1163	<	static final Integer one = new Integer(1);
1164	<	static final Integer two = new Integer(2);
1165	<	static final Integer three  = new Integer(3);
1166	<	static final Integer four  = new Integer(4);
1167	<	static final Integer five  = new Integer(5);
1168	<	static final Integer six = new Integer(6);
1169	<	static final Integer seven = new Integer(7);
1170	<	static final Integer eight = new Integer(8);
1171	<	static final Integer nine = new Integer(9);
1172	<	static final Integer m1  = new Integer(-1);
1173	<	static final Integer m2  = new Integer(-2);
1174	<	static final Integer m3  = new Integer(-3);
1175	<	static final Integer m4 = new Integer(-4);
1176	<	static final Integer m5 = new Integer(-5);
1177	<	static final Integer m10 = new Integer(-10);
1162	>	public static final Integer zero  = new Integer(0);
1163	>	public static final Integer one   = new Integer(1);
1164	>	public static final Integer two   = new Integer(2);
1165	>	public static final Integer three = new Integer(3);
1166	>	public static final Integer four  = new Integer(4);
1167	>	public static final Integer five  = new Integer(5);
1168	>	public static final Integer six   = new Integer(6);
1169	>	public static final Integer seven = new Integer(7);
1170	>	public static final Integer eight = new Integer(8);
1171	>	public static final Integer nine  = new Integer(9);
1172	>	public static final Integer m1  = new Integer(-1);
1173	>	public static final Integer m2  = new Integer(-2);
1174	>	public static final Integer m3  = new Integer(-3);
1175	>	public static final Integer m4  = new Integer(-4);
1176	>	public static final Integer m5  = new Integer(-5);
1177	>	public static final Integer m6  = new Integer(-6);
1178	>	public static final Integer m10 = new Integer(-10);
1179	>
1180	>	/**
1181	>	* Runs Runnable r with a security policy that permits precisely
1182	>	* the specified permissions.  If there is no current security
1183	>	* manager, the runnable is run twice, both with and without a
1184	>	* security manager.  We require that any security manager permit
1185	>	* getPolicy/setPolicy.
1186	>	*/
1187	>	public void runWithPermissions(Runnable r, Permission... permissions) {
1188	>	SecurityManager sm = System.getSecurityManager();
1189	>	if (sm == null) {
1190	>	r.run();
1191	>	}
1192	>	runWithSecurityManagerWithPermissions(r, permissions);
1193	>	}
1194	>
1195	>	/**
1196	>	* Runs Runnable r with a security policy that permits precisely
1197	>	* the specified permissions.  If there is no current security
1198	>	* manager, a temporary one is set for the duration of the
1199	>	* Runnable.  We require that any security manager permit
1200	>	* getPolicy/setPolicy.
1201	>	*/
1202	>	public void runWithSecurityManagerWithPermissions(Runnable r,
1203	>	Permission... permissions) {
1204	>	SecurityManager sm = System.getSecurityManager();
1205	>	if (sm == null) {
1206	>	Policy savedPolicy = Policy.getPolicy();
1207	>	try {
1208	>	Policy.setPolicy(permissivePolicy());
1209	>	System.setSecurityManager(new SecurityManager());
1210	>	runWithSecurityManagerWithPermissions(r, permissions);
1211	>	} finally {
1212	>	System.setSecurityManager(null);
1213	>	Policy.setPolicy(savedPolicy);
1214	>	}
1215	>	} else {
1216	>	Policy savedPolicy = Policy.getPolicy();
1217	>	AdjustablePolicy policy = new AdjustablePolicy(permissions);
1218	>	Policy.setPolicy(policy);
1219	>
1220	>	try {
1221	>	r.run();
1222	>	} finally {
1223	>	policy.addPermission(new SecurityPermission("setPolicy"));
1224	>	Policy.setPolicy(savedPolicy);
1225	>	}
1226	>	}
1227	>	}
1228
1229	+	/**
1230	+	* Runs a runnable without any permissions.
1231	+	*/
1232	+	public void runWithoutPermissions(Runnable r) {
1233	+	runWithPermissions(r);
1234	+	}
1235
1236		/**
1237		* A security policy where new permissions can be dynamically added
1238		* or all cleared.
1239		*/
1240	<	static class AdjustablePolicy extends java.security.Policy {
1240	>	public static class AdjustablePolicy extends java.security.Policy {
1241		Permissions perms = new Permissions();
1242	<	AdjustablePolicy() { }
1242	>	AdjustablePolicy(Permission... permissions) {
1243	>	for (Permission permission : permissions)
1244	>	perms.add(permission);
1245	>	}
1246		void addPermission(Permission perm) { perms.add(perm); }
1247		void clearPermissions() { perms = new Permissions(); }
1248	<	public PermissionCollection getPermissions(CodeSource cs) {
1249	<	return perms;
1250	<	}
1251	<	public PermissionCollection getPermissions(ProtectionDomain pd) {
1252	<	return perms;
1253	<	}
1254	<	public boolean implies(ProtectionDomain pd, Permission p) {
1255	<	return perms.implies(p);
1256	<	}
1257	<	public void refresh() {}
1248	>	public PermissionCollection getPermissions(CodeSource cs) {
1249	>	return perms;
1250	>	}
1251	>	public PermissionCollection getPermissions(ProtectionDomain pd) {
1252	>	return perms;
1253	>	}
1254	>	public boolean implies(ProtectionDomain pd, Permission p) {
1255	>	return perms.implies(p);
1256	>	}
1257	>	public void refresh() {}
1258	>	public String toString() {
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;
1263	>	}
1264		}
1265
1266	+	/**
1267	+	* Returns a policy containing all the permissions we ever need.
1268	+	*/
1269	+	public static Policy permissivePolicy() {
1270	+	return new AdjustablePolicy
1271	+	// Permissions j.u.c. needs directly
1272	+	(new RuntimePermission("modifyThread"),
1273	+	new RuntimePermission("getClassLoader"),
1274	+	new RuntimePermission("setContextClassLoader"),
1275	+	// Permissions needed to change permissions!
1276	+	new SecurityPermission("getPolicy"),
1277	+	new SecurityPermission("setPolicy"),
1278	+	new RuntimePermission("setSecurityManager"),
1279	+	// Permissions needed by the junit test harness
1280	+	new RuntimePermission("accessDeclaredMembers"),
1281	+	new PropertyPermission("*", "read"),
1282	+	new java.io.FilePermission("<<ALL FILES>>", "read"));
1283	+	}
1284
1285	<	// Some convenient Runnable classes
1285	>	/**
1286	>	* Sleeps until the given time has elapsed.
1287	>	* Throws AssertionFailedError if interrupted.
1288	>	*/
1289	>	static void sleep(long millis) {
1290	>	try {
1291	>	delay(millis);
1292	>	} catch (InterruptedException fail) {
1293	>	AssertionFailedError afe =
1294	>	new AssertionFailedError("Unexpected InterruptedException");
1295	>	afe.initCause(fail);
1296	>	throw afe;
1297	>	}
1298	>	}
1299
1300	<	static class NoOpRunnable implements Runnable {
1301	<	public void run() {}
1300	>	/**
1301	>	* Spin-waits up to the specified number of milliseconds for the given
1302	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1303	>	*/
1304	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1305	>	long startTime = 0L;
1306	>	for (;;) {
1307	>	Thread.State s = thread.getState();
1308	>	if (s == Thread.State.BLOCKED ||
1309	>	s == Thread.State.WAITING ||
1310	>	s == Thread.State.TIMED_WAITING)
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	>	fail("timed out waiting for thread to enter wait state");
1319	>	}
1320	>	Thread.yield();
1321	>	}
1322		}
1323
1324	<	static class NoOpCallable implements Callable {
1325	<	public Object call() { return Boolean.TRUE; }
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	>	* 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	<	static final String TEST_STRING = "a test string";
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	<	static class StringTask implements Callable<String> {
1373	<	public String call() { return TEST_STRING; }
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()}.
1376	>	*/
1377	>	static long millisElapsedSince(long startNanoTime) {
1378	>	return NANOSECONDS.toMillis(System.nanoTime() - startNanoTime);
1379		}
1380
1381	<	static class NPETask implements Callable<String> {
1382	<	public String call() { throw new NullPointerException(); }
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	<	static class CallableOne implements Callable<Integer> {
1408	<	public Integer call() { return one; }
1407	>	<T> void checkTimedGet(Future<T> f, T expectedValue) {
1408	>	checkTimedGet(f, expectedValue, LONG_DELAY_MS);
1409		}
1410
1411	<	class ShortRunnable implements Runnable {
1412	<	public void run() {
1413	<	try {
1414	<	Thread.sleep(SHORT_DELAY_MS);
1415	<	}
1416	<	catch(Exception e) {
1417	<	threadUnexpectedException();
1411	>	/**
1412	>	* Returns a new started daemon Thread running the given runnable.
1413	>	*/
1414	>	Thread newStartedThread(Runnable runnable) {
1415	>	Thread t = new Thread(runnable);
1416	>	t.setDaemon(true);
1417	>	t.start();
1418	>	return t;
1419	>	}
1420	>
1421	>	/**
1422	>	* Waits for the specified time (in milliseconds) for the thread
1423	>	* to terminate (using {@link Thread#join(long)}), else interrupts
1424	>	* the thread (in the hope that it may terminate later) and fails.
1425	>	*/
1426	>	void awaitTermination(Thread t, long timeoutMillis) {
1427	>	try {
1428	>	t.join(timeoutMillis);
1429	>	} catch (InterruptedException fail) {
1430	>	threadUnexpectedException(fail);
1431	>	} finally {
1432	>	if (t.getState() != Thread.State.TERMINATED) {
1433	>	t.interrupt();
1434	>	threadFail("timed out waiting for thread to terminate");
1435		}
1436		}
1437		}
1438
1439	<	class ShortInterruptedRunnable implements Runnable {
1440	<	public void run() {
1439	>	/**
1440	>	* Waits for LONG_DELAY_MS milliseconds for the thread to
1441	>	* terminate (using {@link Thread#join(long)}), else interrupts
1442	>	* the thread (in the hope that it may terminate later) and fails.
1443	>	*/
1444	>	void awaitTermination(Thread t) {
1445	>	awaitTermination(t, LONG_DELAY_MS);
1446	>	}
1447	>
1448	>	// Some convenient Runnable classes
1449	>
1450	>	public abstract class CheckedRunnable implements Runnable {
1451	>	protected abstract void realRun() throws Throwable;
1452	>
1453	>	public final void run() {
1454		try {
1455	<	Thread.sleep(SHORT_DELAY_MS);
1456	<	threadShouldThrow();
1457	<	}
410	<	catch(InterruptedException success) {
1455	>	realRun();
1456	>	} catch (Throwable fail) {
1457	>	threadUnexpectedException(fail);
1458		}
1459		}
1460		}
1461
1462	<	class SmallRunnable implements Runnable {
1463	<	public void run() {
1462	>	public abstract class RunnableShouldThrow implements Runnable {
1463	>	protected abstract void realRun() throws Throwable;
1464	>
1465	>	final Class<?> exceptionClass;
1466	>
1467	>	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1468	>	this.exceptionClass = exceptionClass;
1469	>	}
1470	>
1471	>	public final void run() {
1472		try {
1473	<	Thread.sleep(SMALL_DELAY_MS);
1474	<	}
1475	<	catch(Exception e) {
1476	<	threadUnexpectedException();
1473	>	realRun();
1474	>	threadShouldThrow(exceptionClass.getSimpleName());
1475	>	} catch (Throwable t) {
1476	>	if (! exceptionClass.isInstance(t))
1477	>	threadUnexpectedException(t);
1478		}
1479		}
1480		}
1481
1482	<	class SmallPossiblyInterruptedRunnable implements Runnable {
1483	<	public void run() {
1482	>	public abstract class ThreadShouldThrow extends Thread {
1483	>	protected abstract void realRun() throws Throwable;
1484	>
1485	>	final Class<?> exceptionClass;
1486	>
1487	>	<T extends Throwable> ThreadShouldThrow(Class<T> exceptionClass) {
1488	>	this.exceptionClass = exceptionClass;
1489	>	}
1490	>
1491	>	public final void run() {
1492		try {
1493	<	Thread.sleep(SMALL_DELAY_MS);
1494	<	}
1495	<	catch(Exception e) {
1493	>	realRun();
1494	>	threadShouldThrow(exceptionClass.getSimpleName());
1495	>	} catch (Throwable t) {
1496	>	if (! exceptionClass.isInstance(t))
1497	>	threadUnexpectedException(t);
1498		}
1499		}
1500		}
1501
1502	<	class SmallCallable implements Callable {
1503	<	public Object call() {
1502	>	public abstract class CheckedInterruptedRunnable implements Runnable {
1503	>	protected abstract void realRun() throws Throwable;
1504	>
1505	>	public final void run() {
1506		try {
1507	<	Thread.sleep(SMALL_DELAY_MS);
1507	>	realRun();
1508	>	threadShouldThrow("InterruptedException");
1509	>	} catch (InterruptedException success) {
1510	>	threadAssertFalse(Thread.interrupted());
1511	>	} catch (Throwable fail) {
1512	>	threadUnexpectedException(fail);
1513		}
441	–	catch(Exception e) {
442	–	threadUnexpectedException();
443	–	}
444	–	return Boolean.TRUE;
1514		}
1515		}
1516
1517	<	class SmallInterruptedRunnable implements Runnable {
1518	<	public void run() {
1517	>	public abstract class CheckedCallable<T> implements Callable<T> {
1518	>	protected abstract T realCall() throws Throwable;
1519	>
1520	>	public final T call() {
1521		try {
1522	<	Thread.sleep(SMALL_DELAY_MS);
1523	<	threadShouldThrow();
1524	<	}
1525	<	catch(InterruptedException success) {
1522	>	return realCall();
1523	>	} catch (Throwable fail) {
1524	>	threadUnexpectedException(fail);
1525	>	return null;
1526		}
1527		}
1528		}
1529
1530	+	public abstract class CheckedInterruptedCallable<T>
1531	+	implements Callable<T> {
1532	+	protected abstract T realCall() throws Throwable;
1533
1534	<	class MediumRunnable implements Runnable {
461	<	public void run() {
1534	>	public final T call() {
1535		try {
1536	<	Thread.sleep(MEDIUM_DELAY_MS);
1537	<	}
1538	<	catch(Exception e) {
1539	<	threadUnexpectedException();
1536	>	T result = realCall();
1537	>	threadShouldThrow("InterruptedException");
1538	>	return result;
1539	>	} catch (InterruptedException success) {
1540	>	threadAssertFalse(Thread.interrupted());
1541	>	} catch (Throwable fail) {
1542	>	threadUnexpectedException(fail);
1543		}
1544	+	return null;
1545		}
1546		}
1547
1548	<	class MediumInterruptedRunnable implements Runnable {
1549	<	public void run() {
1550	<	try {
1551	<	Thread.sleep(MEDIUM_DELAY_MS);
1552	<	threadShouldThrow();
1553	<	}
1554	<	catch(InterruptedException success) {
1555	<	}
1548	>	public static class NoOpRunnable implements Runnable {
1549	>	public void run() {}
1550	>	}
1551	>
1552	>	public static class NoOpCallable implements Callable {
1553	>	public Object call() { return Boolean.TRUE; }
1554	>	}
1555	>
1556	>	public static final String TEST_STRING = "a test string";
1557	>
1558	>	public static class StringTask implements Callable<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) {
1566	>	return new CheckedCallable<String>() {
1567	>	protected String realCall() {
1568	>	try {
1569	>	latch.await();
1570	>	} catch (InterruptedException quittingTime) {}
1571	>	return TEST_STRING;
1572	>	}};
1573	>	}
1574	>
1575	>	public Runnable countDowner(final CountDownLatch latch) {
1576	>	return new CheckedRunnable() {
1577	>	public void realRun() throws InterruptedException {
1578	>	latch.countDown();
1579	>	}};
1580	>	}
1581	>
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	<	class MediumPossiblyInterruptedRunnable implements Runnable {
1597	<	public void run() {
1598	<	try {
1599	<	Thread.sleep(MEDIUM_DELAY_MS);
1600	<	}
1601	<	catch(InterruptedException success) {
1602	<	}
1596	>	public LatchAwaiter awaiter(CountDownLatch latch) {
1597	>	return new LatchAwaiter(latch);
1598	>	}
1599	>
1600	>	public void await(CountDownLatch latch, long timeoutMillis) {
1601	>	try {
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	<	class LongPossiblyInterruptedRunnable implements Runnable {
1611	<	public void run() {
1610	>	public void await(CountDownLatch latch) {
1611	>	await(latch, LONG_DELAY_MS);
1612	>	}
1613	>
1614	>	public void await(Semaphore semaphore) {
1615	>	try {
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	>
1632	>	//     /**
1633	>	//      * Spin-waits up to LONG_DELAY_MS until flag becomes true.
1634	>	//      */
1635	>	//     public void await(AtomicBoolean flag) {
1636	>	//         await(flag, LONG_DELAY_MS);
1637	>	//     }
1638	>
1639	>	//     /**
1640	>	//      * Spin-waits up to the specified timeout until flag becomes true.
1641	>	//      */
1642	>	//     public void await(AtomicBoolean flag, long timeoutMillis) {
1643	>	//         long startTime = System.nanoTime();
1644	>	//         while (!flag.get()) {
1645	>	//             if (millisElapsedSince(startTime) > timeoutMillis)
1646	>	//                 throw new AssertionFailedError("timed out");
1647	>	//             Thread.yield();
1648	>	//         }
1649	>	//     }
1650	>
1651	>	public static class NPETask implements Callable<String> {
1652	>	public String call() { throw new NullPointerException(); }
1653	>	}
1654	>
1655	>	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1656	>	protected void realRun() {
1657		try {
1658	<	Thread.sleep(LONG_DELAY_MS);
1659	<	}
497	<	catch(InterruptedException success) {
498	<	}
1658	>	delay(SMALL_DELAY_MS);
1659	>	} catch (InterruptedException ok) {}
1660		}
1661		}
1662
1663	+	public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1664	+	return new CheckedRunnable() {
1665	+	protected void realRun() {
1666	+	try {
1667	+	delay(timeoutMillis);
1668	+	} catch (InterruptedException ok) {}
1669	+	}};
1670	+	}
1671	+
1672		/**
1673		* For use as ThreadFactory in constructors
1674		*/
1675	<	static class SimpleThreadFactory implements ThreadFactory{
1676	<	public Thread newThread(Runnable r){
1675	>	public static class SimpleThreadFactory implements ThreadFactory {
1676	>	public Thread newThread(Runnable r) {
1677		return new Thread(r);
1678	<	}
1678	>	}
1679		}
1680
1681	<	static class TrackedShortRunnable implements Runnable {
1682	<	volatile boolean done = false;
1681	>	public interface TrackedRunnable extends Runnable {
1682	>	boolean isDone();
1683	>	}
1684	>
1685	>	public static class TrackedNoOpRunnable implements Runnable {
1686	>	public volatile boolean done = false;
1687		public void run() {
1688	+	done = true;
1689	+	}
1690	+	}
1691	+
1692	+	/**
1693	+	* Analog of CheckedRunnable for RecursiveAction
1694	+	*/
1695	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
1696	+	protected abstract void realCompute() throws Throwable;
1697	+
1698	+	@Override protected final void compute() {
1699		try {
1700	<	Thread.sleep(SMALL_DELAY_MS);
1701	<	done = true;
1702	<	} catch(Exception e){
1700	>	realCompute();
1701	>	} catch (Throwable fail) {
1702	>	threadUnexpectedException(fail);
1703		}
1704		}
1705		}
1706
1707	<	static class TrackedMediumRunnable implements Runnable {
1708	<	volatile boolean done = false;
1709	<	public void run() {
1707	>	/**
1708	>	* Analog of CheckedCallable for RecursiveTask
1709	>	*/
1710	>	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
1711	>	protected abstract T realCompute() throws Throwable;
1712	>
1713	>	@Override protected final T compute() {
1714		try {
1715	<	Thread.sleep(MEDIUM_DELAY_MS);
1716	<	done = true;
1717	<	} catch(Exception e){
1715	>	return realCompute();
1716	>	} catch (Throwable fail) {
1717	>	threadUnexpectedException(fail);
1718	>	return null;
1719		}
1720		}
1721		}
1722
1723	<	static class TrackedLongRunnable implements Runnable {
1724	<	volatile boolean done = false;
1725	<	public void run() {
1723	>	/**
1724	>	* For use as RejectedExecutionHandler in constructors
1725	>	*/
1726	>	public static class NoOpREHandler implements RejectedExecutionHandler {
1727	>	public void rejectedExecution(Runnable r,
1728	>	ThreadPoolExecutor executor) {}
1729	>	}
1730	>
1731	>	/**
1732	>	* A CyclicBarrier that uses timed await and fails with
1733	>	* AssertionFailedErrors instead of throwing checked exceptions.
1734	>	*/
1735	>	public static class CheckedBarrier extends CyclicBarrier {
1736	>	public CheckedBarrier(int parties) { super(parties); }
1737	>
1738	>	public int await() {
1739		try {
1740	<	Thread.sleep(LONG_DELAY_MS);
1741	<	done = true;
1742	<	} catch(Exception e){
1740	>	return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1741	>	} catch (TimeoutException timedOut) {
1742	>	throw new AssertionFailedError("timed out");
1743	>	} catch (Exception fail) {
1744	>	AssertionFailedError afe =
1745	>	new AssertionFailedError("Unexpected exception: " + fail);
1746	>	afe.initCause(fail);
1747	>	throw afe;
1748		}
1749		}
1750		}
1751
1752	<	static class TrackedNoOpRunnable implements Runnable {
1753	<	volatile boolean done = false;
1754	<	public void run() {
1755	<	done = true;
1752	>	void checkEmpty(BlockingQueue q) {
1753	>	try {
1754	>	assertTrue(q.isEmpty());
1755	>	assertEquals(0, q.size());
1756	>	assertNull(q.peek());
1757	>	assertNull(q.poll());
1758	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1759	>	assertEquals(q.toString(), "[]");
1760	>	assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1761	>	assertFalse(q.iterator().hasNext());
1762	>	try {
1763	>	q.element();
1764	>	shouldThrow();
1765	>	} catch (NoSuchElementException success) {}
1766	>	try {
1767	>	q.iterator().next();
1768	>	shouldThrow();
1769	>	} catch (NoSuchElementException success) {}
1770	>	try {
1771	>	q.remove();
1772	>	shouldThrow();
1773	>	} catch (NoSuchElementException success) {}
1774	>	} catch (InterruptedException fail) { threadUnexpectedException(fail); }
1775	>	}
1776	>
1777	>	void assertSerialEquals(Object x, Object y) {
1778	>	assertTrue(Arrays.equals(serialBytes(x), serialBytes(y)));
1779	>	}
1780	>
1781	>	void assertNotSerialEquals(Object x, Object y) {
1782	>	assertFalse(Arrays.equals(serialBytes(x), serialBytes(y)));
1783	>	}
1784	>
1785	>	byte[] serialBytes(Object o) {
1786	>	try {
1787	>	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1788	>	ObjectOutputStream oos = new ObjectOutputStream(bos);
1789	>	oos.writeObject(o);
1790	>	oos.flush();
1791	>	oos.close();
1792	>	return bos.toByteArray();
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 fail) {
1818	>	threadUnexpectedException(fail);
1819	>	return null;
1820		}
1821		}
1822
1823	<	static class TrackedCallable implements Callable {
1824	<	volatile boolean done = false;
1825	<	public Object call() {
1826	<	try {
1827	<	Thread.sleep(SMALL_DELAY_MS);
1828	<	done = true;
1829	<	} catch(Exception e){
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) {
1866	>	boolean threw = false;
1867	>	try { throwingAction.run(); }
1868	>	catch (Throwable t) {
1869	>	threw = true;
1870	>	if (!expectedExceptionClass.isInstance(t)) {
1871	>	AssertionFailedError afe =
1872	>	new AssertionFailedError
1873	>	("Expected " + expectedExceptionClass.getName() +
1874	>	", got " + t.getClass().getName());
1875	>	afe.initCause(t);
1876	>	threadUnexpectedException(afe);
1877	>	}
1878		}
1879	<	return Boolean.TRUE;
1879	>	if (!threw)
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	<	* For use as RejectedExecutionHandler in constructors
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 class NoOpREHandler implements RejectedExecutionHandler{
1918	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
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		}
570	–
571	–
2093		}

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