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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.168 by jsr166, Mon Oct 5 22:53:25 2015 UTC vs.
Revision 1.252 by jsr166, Thu Jan 10 04:35:16 2019 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	+	/*
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;
#	Line 29 | Line 63 | 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.Deque;
70		import java.util.Enumeration;
71	+	import java.util.HashSet;
72		import java.util.Iterator;
73		import java.util.List;
74		import java.util.NoSuchElementException;
75		import java.util.PropertyPermission;
76	+	import java.util.Set;
77		import java.util.concurrent.BlockingQueue;
78		import java.util.concurrent.Callable;
79		import java.util.concurrent.CountDownLatch;
80		import java.util.concurrent.CyclicBarrier;
81		import java.util.concurrent.ExecutionException;
82	+	import java.util.concurrent.Executor;
83		import java.util.concurrent.Executors;
84		import java.util.concurrent.ExecutorService;
85		import java.util.concurrent.ForkJoinPool;
86		import java.util.concurrent.Future;
87	+	import java.util.concurrent.FutureTask;
88		import java.util.concurrent.RecursiveAction;
89		import java.util.concurrent.RecursiveTask;
90	+	import java.util.concurrent.RejectedExecutionException;
91		import java.util.concurrent.RejectedExecutionHandler;
92		import java.util.concurrent.Semaphore;
93	+	import java.util.concurrent.ScheduledExecutorService;
94	+	import java.util.concurrent.ScheduledFuture;
95	+	import java.util.concurrent.SynchronousQueue;
96		import java.util.concurrent.ThreadFactory;
97	+	import java.util.concurrent.ThreadLocalRandom;
98		import java.util.concurrent.ThreadPoolExecutor;
99	+	import java.util.concurrent.TimeUnit;
100		import java.util.concurrent.TimeoutException;
101	+	import java.util.concurrent.atomic.AtomicBoolean;
102		import java.util.concurrent.atomic.AtomicReference;
103		import java.util.regex.Pattern;
104
57	–	import junit.framework.AssertionFailedError;
105		import junit.framework.Test;
106		import junit.framework.TestCase;
107		import junit.framework.TestResult;
#	Line 70 | Line 117 | import junit.framework.TestSuite;
117		*
118		* <ol>
119		*
120	<	* <li>All assertions in code running in generated threads must use
121	<	* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
122	<	* #threadAssertEquals}, or {@link #threadAssertNull}, (not
123	<	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
124	<	* particularly recommended) for other code to use these forms too.
125	<	* Only the most typically used JUnit assertion methods are defined
126	<	* this way, but enough to live with.
120	>	* <li>All code not running in the main test thread (manually spawned threads
121	>	* or the common fork join pool) must be checked for failure (and completion!).
122	>	* Mechanisms that can be used to ensure this are:
123	>	*   <ol>
124	>	*   <li>Signalling via a synchronizer like AtomicInteger or CountDownLatch
125	>	*    that the task completed normally, which is checked before returning from
126	>	*    the test method in the main thread.
127	>	*   <li>Using the forms {@link #threadFail}, {@link #threadAssertTrue},
128	>	*    or {@link #threadAssertNull}, (not {@code fail}, {@code assertTrue}, etc.)
129	>	*    Only the most typically used JUnit assertion methods are defined
130	>	*    this way, but enough to live with.
131	>	*   <li>Recording failure explicitly using {@link #threadUnexpectedException}
132	>	*    or {@link #threadRecordFailure}.
133	>	*   <li>Using a wrapper like CheckedRunnable that uses one the mechanisms above.
134	>	*   </ol>
135		*
136		* <li>If you override {@link #setUp} or {@link #tearDown}, make sure
137		* to invoke {@code super.setUp} and {@code super.tearDown} within
#	Line 109 | Line 164 | import junit.framework.TestSuite;
164		* methods as there are exceptions the method can throw. Sometimes
165		* there are multiple tests per JSR166 method when the different
166		* "normal" behaviors differ significantly. And sometimes testcases
167	<	* cover multiple methods when they cannot be tested in
113	<	* isolation.
167	>	* cover multiple methods when they cannot be tested in isolation.
168		*
169		* <li>The documentation style for testcases is to provide as javadoc
170		* a simple sentence or two describing the property that the testcase
#	Line 173 | Line 227 | public class JSR166TestCase extends Test
227		private static final int suiteRuns =
228		Integer.getInteger("jsr166.suiteRuns", 1);
229
230	+	/**
231	+	* Returns the value of the system property, or NaN if not defined.
232	+	*/
233	+	private static float systemPropertyValue(String name) {
234	+	String floatString = System.getProperty(name);
235	+	if (floatString == null)
236	+	return Float.NaN;
237	+	try {
238	+	return Float.parseFloat(floatString);
239	+	} catch (NumberFormatException ex) {
240	+	throw new IllegalArgumentException(
241	+	String.format("Bad float value in system property %s=%s",
242	+	name, floatString));
243	+	}
244	+	}
245	+
246	+	/**
247	+	* The scaling factor to apply to standard delays used in tests.
248	+	* May be initialized from any of:
249	+	* - the "jsr166.delay.factor" system property
250	+	* - the "test.timeout.factor" system property (as used by jtreg)
251	+	*   See: http://openjdk.java.net/jtreg/tag-spec.html
252	+	* - hard-coded fuzz factor when using a known slowpoke VM
253	+	*/
254	+	private static final float delayFactor = delayFactor();
255	+
256	+	private static float delayFactor() {
257	+	float x;
258	+	if (!Float.isNaN(x = systemPropertyValue("jsr166.delay.factor")))
259	+	return x;
260	+	if (!Float.isNaN(x = systemPropertyValue("test.timeout.factor")))
261	+	return x;
262	+	String prop = System.getProperty("java.vm.version");
263	+	if (prop != null && prop.matches(".*debug.*"))
264	+	return 4.0f; // How much slower is fastdebug than product?!
265	+	return 1.0f;
266	+	}
267	+
268		public JSR166TestCase() { super(); }
269		public JSR166TestCase(String name) { super(name); }
270
#	Line 188 | Line 280 | public class JSR166TestCase extends Test
280		return (regex == null) ? null : Pattern.compile(regex);
281		}
282
283	+	// Instrumentation to debug very rare, but very annoying hung test runs.
284		static volatile TestCase currentTestCase;
285	+	// static volatile int currentRun = 0;
286		static {
287		Runnable checkForWedgedTest = new Runnable() { public void run() {
288	<	// avoid spurious reports with enormous runsPerTest
289	<	final int timeoutMinutes = Math.max(runsPerTest / 10, 1);
288	>	// Avoid spurious reports with enormous runsPerTest.
289	>	// A single test case run should never take more than 1 second.
290	>	// But let's cap it at the high end too ...
291	>	final int timeoutMinutes =
292	>	Math.min(15, Math.max(runsPerTest / 60, 1));
293		for (TestCase lastTestCase = currentTestCase;;) {
294		try { MINUTES.sleep(timeoutMinutes); }
295		catch (InterruptedException unexpected) { break; }
296		if (lastTestCase == currentTestCase) {
297	<	System.err.println
298	<	("Looks like we're stuck running test: "
299	<	+ lastTestCase);
297	>	System.err.printf(
298	>	"Looks like we're stuck running test: %s%n",
299	>	lastTestCase);
300	>	//                     System.err.printf(
301	>	//                         "Looks like we're stuck running test: %s (%d/%d)%n",
302	>	//                         lastTestCase, currentRun, runsPerTest);
303	>	//                     System.err.println("availableProcessors=" +
304	>	//                         Runtime.getRuntime().availableProcessors());
305	>	//                     System.err.printf("cpu model = %s%n", cpuModel());
306		dumpTestThreads();
307		// one stack dump is probably enough; more would be spam
308		break;
#	Line 211 | Line 314 | public class JSR166TestCase extends Test
314		thread.start();
315		}
316
317	+	//     public static String cpuModel() {
318	+	//         try {
319	+	//             java.util.regex.Matcher matcher
320	+	//               = Pattern.compile("model name\\s*: (.*)")
321	+	//                 .matcher(new String(
322	+	//                     java.nio.file.Files.readAllBytes(
323	+	//                         java.nio.file.Paths.get("/proc/cpuinfo")), "UTF-8"));
324	+	//             matcher.find();
325	+	//             return matcher.group(1);
326	+	//         } catch (Exception ex) { return null; }
327	+	//     }
328	+
329		public void runBare() throws Throwable {
330		currentTestCase = this;
331		if (methodFilter == null
#	Line 220 | Line 335 | public class JSR166TestCase extends Test
335
336		protected void runTest() throws Throwable {
337		for (int i = 0; i < runsPerTest; i++) {
338	+	// currentRun = i;
339		if (profileTests)
340		runTestProfiled();
341		else
#	Line 248 | Line 364 | public class JSR166TestCase extends Test
364		main(suite(), args);
365		}
366
367	+	static class PithyResultPrinter extends junit.textui.ResultPrinter {
368	+	PithyResultPrinter(java.io.PrintStream writer) { super(writer); }
369	+	long runTime;
370	+	public void startTest(Test test) {}
371	+	protected void printHeader(long runTime) {
372	+	this.runTime = runTime; // defer printing for later
373	+	}
374	+	protected void printFooter(TestResult result) {
375	+	if (result.wasSuccessful()) {
376	+	getWriter().println("OK (" + result.runCount() + " tests)"
377	+	+ "  Time: " + elapsedTimeAsString(runTime));
378	+	} else {
379	+	getWriter().println("Time: " + elapsedTimeAsString(runTime));
380	+	super.printFooter(result);
381	+	}
382	+	}
383	+	}
384	+
385	+	/**
386	+	* Returns a TestRunner that doesn't bother with unnecessary
387	+	* fluff, like printing a "." for each test case.
388	+	*/
389	+	static junit.textui.TestRunner newPithyTestRunner() {
390	+	junit.textui.TestRunner runner = new junit.textui.TestRunner();
391	+	runner.setPrinter(new PithyResultPrinter(System.out));
392	+	return runner;
393	+	}
394	+
395		/**
396		* Runs all unit tests in the given test suite.
397		* Actual behavior influenced by jsr166.* system properties.
#	Line 259 | Line 403 | public class JSR166TestCase extends Test
403		System.setSecurityManager(new SecurityManager());
404		}
405		for (int i = 0; i < suiteRuns; i++) {
406	<	TestResult result = junit.textui.TestRunner.run(suite);
406	>	TestResult result = newPithyTestRunner().doRun(suite);
407		if (!result.wasSuccessful())
408		System.exit(1);
409		System.gc();
#	Line 285 | Line 429 | public class JSR166TestCase extends Test
429		for (String testClassName : testClassNames) {
430		try {
431		Class<?> testClass = Class.forName(testClassName);
432	<	Method m = testClass.getDeclaredMethod("suite",
289	<	new Class<?>[0]);
432	>	Method m = testClass.getDeclaredMethod("suite");
433		suite.addTest(newTestSuite((Test)m.invoke(null)));
434	<	} catch (Exception e) {
435	<	throw new Error("Missing test class", e);
434	>	} catch (ReflectiveOperationException e) {
435	>	throw new AssertionError("Missing test class", e);
436		}
437		}
438		}
#	Line 311 | Line 454 | public class JSR166TestCase extends Test
454		}
455		}
456
457	<	public static boolean atLeastJava6() { return JAVA_CLASS_VERSION >= 50.0; }
458	<	public static boolean atLeastJava7() { return JAVA_CLASS_VERSION >= 51.0; }
459	<	public static boolean atLeastJava8() { return JAVA_CLASS_VERSION >= 52.0; }
460	<	public static boolean atLeastJava9() {
461	<	return JAVA_CLASS_VERSION >= 53.0
462	<	// As of 2015-09, java9 still uses 52.0 class file version
463	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?(9|[0-9][0-9])$");
464	<	}
465	<	public static boolean atLeastJava10() {
466	<	return JAVA_CLASS_VERSION >= 54.0
467	<	|| JAVA_SPECIFICATION_VERSION.matches("^(1\\.)?[0-9][0-9]$");
468	<	}
457	>	public static boolean atLeastJava6()  { return JAVA_CLASS_VERSION >= 50.0; }
458	>	public static boolean atLeastJava7()  { return JAVA_CLASS_VERSION >= 51.0; }
459	>	public static boolean atLeastJava8()  { return JAVA_CLASS_VERSION >= 52.0; }
460	>	public static boolean atLeastJava9()  { return JAVA_CLASS_VERSION >= 53.0; }
461	>	public static boolean atLeastJava10() { return JAVA_CLASS_VERSION >= 54.0; }
462	>	public static boolean atLeastJava11() { return JAVA_CLASS_VERSION >= 55.0; }
463	>	public static boolean atLeastJava12() { return JAVA_CLASS_VERSION >= 56.0; }
464	>	public static boolean atLeastJava13() { return JAVA_CLASS_VERSION >= 57.0; }
465	>	public static boolean atLeastJava14() { return JAVA_CLASS_VERSION >= 58.0; }
466	>	public static boolean atLeastJava15() { return JAVA_CLASS_VERSION >= 59.0; }
467	>	public static boolean atLeastJava16() { return JAVA_CLASS_VERSION >= 60.0; }
468	>	public static boolean atLeastJava17() { return JAVA_CLASS_VERSION >= 61.0; }
469
470		/**
471		* Collects all JSR166 unit tests as one suite.
#	Line 343 | Line 486 | public class JSR166TestCase extends Test
486		AbstractQueuedLongSynchronizerTest.suite(),
487		ArrayBlockingQueueTest.suite(),
488		ArrayDequeTest.suite(),
489	+	ArrayListTest.suite(),
490		AtomicBooleanTest.suite(),
491		AtomicIntegerArrayTest.suite(),
492		AtomicIntegerFieldUpdaterTest.suite(),
#	Line 365 | Line 509 | public class JSR166TestCase extends Test
509		CopyOnWriteArrayListTest.suite(),
510		CopyOnWriteArraySetTest.suite(),
511		CountDownLatchTest.suite(),
512	+	CountedCompleterTest.suite(),
513		CyclicBarrierTest.suite(),
514		DelayQueueTest.suite(),
515		EntryTest.suite(),
#	Line 393 | Line 538 | public class JSR166TestCase extends Test
538		TreeMapTest.suite(),
539		TreeSetTest.suite(),
540		TreeSubMapTest.suite(),
541	<	TreeSubSetTest.suite());
541	>	TreeSubSetTest.suite(),
542	>	VectorTest.suite());
543
544		// Java8+ test classes
545		if (atLeastJava8()) {
546		String[] java8TestClassNames = {
547	+	"ArrayDeque8Test",
548		"Atomic8Test",
549		"CompletableFutureTest",
550		"ConcurrentHashMap8Test",
551	<	"CountedCompleterTest",
551	>	"CountedCompleter8Test",
552		"DoubleAccumulatorTest",
553		"DoubleAdderTest",
554		"ForkJoinPool8Test",
555		"ForkJoinTask8Test",
556	+	"HashMapTest",
557	+	"LinkedBlockingDeque8Test",
558	+	"LinkedBlockingQueue8Test",
559	+	"LinkedHashMapTest",
560		"LongAccumulatorTest",
561		"LongAdderTest",
562		"SplittableRandomTest",
563		"StampedLockTest",
564		"SubmissionPublisherTest",
565		"ThreadLocalRandom8Test",
566	+	"TimeUnit8Test",
567		};
568		addNamedTestClasses(suite, java8TestClassNames);
569		}
#	Line 419 | Line 571 | public class JSR166TestCase extends Test
571		// Java9+ test classes
572		if (atLeastJava9()) {
573		String[] java9TestClassNames = {
574	<	// Currently empty, but expecting varhandle tests
574	>	"AtomicBoolean9Test",
575	>	"AtomicInteger9Test",
576	>	"AtomicIntegerArray9Test",
577	>	"AtomicLong9Test",
578	>	"AtomicLongArray9Test",
579	>	"AtomicReference9Test",
580	>	"AtomicReferenceArray9Test",
581	>	"ExecutorCompletionService9Test",
582	>	"ForkJoinPool9Test",
583		};
584		addNamedTestClasses(suite, java9TestClassNames);
585		}
#	Line 430 | Line 590 | public class JSR166TestCase extends Test
590		/** Returns list of junit-style test method names in given class. */
591		public static ArrayList<String> testMethodNames(Class<?> testClass) {
592		Method[] methods = testClass.getDeclaredMethods();
593	<	ArrayList<String> names = new ArrayList<String>(methods.length);
593	>	ArrayList<String> names = new ArrayList<>(methods.length);
594		for (Method method : methods) {
595		if (method.getName().startsWith("test")
596		&& Modifier.isPublic(method.getModifiers())
#	Line 457 | Line 617 | public class JSR166TestCase extends Test
617		for (String methodName : testMethodNames(testClass))
618		suite.addTest((Test) c.newInstance(data, methodName));
619		return suite;
620	<	} catch (Exception e) {
621	<	throw new Error(e);
620	>	} catch (ReflectiveOperationException e) {
621	>	throw new AssertionError(e);
622		}
623		}
624
#	Line 474 | Line 634 | public class JSR166TestCase extends Test
634		if (atLeastJava8()) {
635		String name = testClass.getName();
636		String name8 = name.replaceAll("Test$", "8Test");
637	<	if (name.equals(name8)) throw new Error(name);
637	>	if (name.equals(name8)) throw new AssertionError(name);
638		try {
639		return (Test)
640		Class.forName(name8)
641	<	.getMethod("testSuite", new Class[] { dataClass })
641	>	.getMethod("testSuite", dataClass)
642		.invoke(null, data);
643	<	} catch (Exception e) {
644	<	throw new Error(e);
643	>	} catch (ReflectiveOperationException e) {
644	>	throw new AssertionError(e);
645		}
646		} else {
647		return new TestSuite();
#	Line 495 | Line 655 | public class JSR166TestCase extends Test
655		public static long MEDIUM_DELAY_MS;
656		public static long LONG_DELAY_MS;
657
658	+	private static final long RANDOM_TIMEOUT;
659	+	private static final long RANDOM_EXPIRED_TIMEOUT;
660	+	private static final TimeUnit RANDOM_TIMEUNIT;
661	+	static {
662	+	ThreadLocalRandom rnd = ThreadLocalRandom.current();
663	+	long[] timeouts = { Long.MIN_VALUE, -1, 0, 1, Long.MAX_VALUE };
664	+	RANDOM_TIMEOUT = timeouts[rnd.nextInt(timeouts.length)];
665	+	RANDOM_EXPIRED_TIMEOUT = timeouts[rnd.nextInt(3)];
666	+	TimeUnit[] timeUnits = TimeUnit.values();
667	+	RANDOM_TIMEUNIT = timeUnits[rnd.nextInt(timeUnits.length)];
668	+	}
669	+
670	+	/**
671	+	* Returns a timeout for use when any value at all will do.
672	+	*/
673	+	static long randomTimeout() { return RANDOM_TIMEOUT; }
674	+
675	+	/**
676	+	* Returns a timeout that means "no waiting", i.e. not positive.
677	+	*/
678	+	static long randomExpiredTimeout() { return RANDOM_EXPIRED_TIMEOUT; }
679	+
680		/**
681	<	* Returns the shortest timed delay. This could
682	<	* be reimplemented to use for example a Property.
681	>	* Returns a random non-null TimeUnit.
682	>	*/
683	>	static TimeUnit randomTimeUnit() { return RANDOM_TIMEUNIT; }
684	>
685	>	/**
686	>	* Returns the shortest timed delay. This can be scaled up for
687	>	* slow machines using the jsr166.delay.factor system property,
688	>	* or via jtreg's -timeoutFactor: flag.
689	>	* http://openjdk.java.net/jtreg/command-help.html
690		*/
691		protected long getShortDelay() {
692	<	return 50;
692	>	return (long) (50 * delayFactor);
693		}
694
695		/**
#	Line 513 | Line 702 | public class JSR166TestCase extends Test
702		LONG_DELAY_MS   = SHORT_DELAY_MS * 200;
703		}
704
705	+	private static final long TIMEOUT_DELAY_MS
706	+	= (long) (12.0 * Math.cbrt(delayFactor));
707	+
708		/**
709	<	* Returns a timeout in milliseconds to be used in tests that
710	<	* verify that operations block or time out.
709	>	* Returns a timeout in milliseconds to be used in tests that verify
710	>	* that operations block or time out.  We want this to be longer
711	>	* than the OS scheduling quantum, but not too long, so don't scale
712	>	* linearly with delayFactor; we use "crazy" cube root instead.
713		*/
714	<	long timeoutMillis() {
715	<	return SHORT_DELAY_MS / 4;
714	>	static long timeoutMillis() {
715	>	return TIMEOUT_DELAY_MS;
716		}
717
718		/**
#	Line 534 | Line 728 | public class JSR166TestCase extends Test
728		* The first exception encountered if any threadAssertXXX method fails.
729		*/
730		private final AtomicReference<Throwable> threadFailure
731	<	= new AtomicReference<Throwable>(null);
731	>	= new AtomicReference<>(null);
732
733		/**
734		* Records an exception so that it can be rethrown later in the test
#	Line 556 | Line 750 | public class JSR166TestCase extends Test
750		String msg = toString() + ": " + String.format(format, args);
751		System.err.println(msg);
752		dumpTestThreads();
753	<	throw new AssertionFailedError(msg);
753	>	throw new AssertionError(msg);
754		}
755
756		/**
#	Line 577 | Line 771 | public class JSR166TestCase extends Test
771		throw (RuntimeException) t;
772		else if (t instanceof Exception)
773		throw (Exception) t;
774	<	else {
775	<	AssertionFailedError afe =
582	<	new AssertionFailedError(t.toString());
583	<	afe.initCause(t);
584	<	throw afe;
585	<	}
774	>	else
775	>	throw new AssertionError(t.toString(), t);
776		}
777
778		if (Thread.interrupted())
#	Line 616 | Line 806 | public class JSR166TestCase extends Test
806
807		/**
808		* Just like fail(reason), but additionally recording (using
809	<	* threadRecordFailure) any AssertionFailedError thrown, so that
810	<	* the current testcase will fail.
809	>	* threadRecordFailure) any AssertionError thrown, so that the
810	>	* current testcase will fail.
811		*/
812		public void threadFail(String reason) {
813		try {
814		fail(reason);
815	<	} catch (AssertionFailedError t) {
816	<	threadRecordFailure(t);
817	<	throw t;
815	>	} catch (AssertionError fail) {
816	>	threadRecordFailure(fail);
817	>	throw fail;
818		}
819		}
820
821		/**
822		* Just like assertTrue(b), but additionally recording (using
823	<	* threadRecordFailure) any AssertionFailedError thrown, so that
824	<	* the current testcase will fail.
823	>	* threadRecordFailure) any AssertionError thrown, so that the
824	>	* current testcase will fail.
825		*/
826		public void threadAssertTrue(boolean b) {
827		try {
828		assertTrue(b);
829	<	} catch (AssertionFailedError t) {
830	<	threadRecordFailure(t);
831	<	throw t;
829	>	} catch (AssertionError fail) {
830	>	threadRecordFailure(fail);
831	>	throw fail;
832		}
833		}
834
835		/**
836		* Just like assertFalse(b), but additionally recording (using
837	<	* threadRecordFailure) any AssertionFailedError thrown, so that
838	<	* the current testcase will fail.
837	>	* threadRecordFailure) any AssertionError thrown, so that the
838	>	* current testcase will fail.
839		*/
840		public void threadAssertFalse(boolean b) {
841		try {
842		assertFalse(b);
843	<	} catch (AssertionFailedError t) {
844	<	threadRecordFailure(t);
845	<	throw t;
843	>	} catch (AssertionError fail) {
844	>	threadRecordFailure(fail);
845	>	throw fail;
846		}
847		}
848
849		/**
850		* Just like assertNull(x), but additionally recording (using
851	<	* threadRecordFailure) any AssertionFailedError thrown, so that
852	<	* the current testcase will fail.
851	>	* threadRecordFailure) any AssertionError thrown, so that the
852	>	* current testcase will fail.
853		*/
854		public void threadAssertNull(Object x) {
855		try {
856		assertNull(x);
857	<	} catch (AssertionFailedError t) {
858	<	threadRecordFailure(t);
859	<	throw t;
857	>	} catch (AssertionError fail) {
858	>	threadRecordFailure(fail);
859	>	throw fail;
860		}
861		}
862
863		/**
864		* Just like assertEquals(x, y), but additionally recording (using
865	<	* threadRecordFailure) any AssertionFailedError thrown, so that
866	<	* the current testcase will fail.
865	>	* threadRecordFailure) any AssertionError thrown, so that the
866	>	* current testcase will fail.
867		*/
868		public void threadAssertEquals(long x, long y) {
869		try {
870		assertEquals(x, y);
871	<	} catch (AssertionFailedError t) {
872	<	threadRecordFailure(t);
873	<	throw t;
871	>	} catch (AssertionError fail) {
872	>	threadRecordFailure(fail);
873	>	throw fail;
874		}
875		}
876
877		/**
878		* Just like assertEquals(x, y), but additionally recording (using
879	<	* threadRecordFailure) any AssertionFailedError thrown, so that
880	<	* the current testcase will fail.
879	>	* threadRecordFailure) any AssertionError thrown, so that the
880	>	* current testcase will fail.
881		*/
882		public void threadAssertEquals(Object x, Object y) {
883		try {
884		assertEquals(x, y);
885	<	} catch (AssertionFailedError fail) {
885	>	} catch (AssertionError fail) {
886		threadRecordFailure(fail);
887		throw fail;
888		} catch (Throwable fail) {
#	Line 702 | Line 892 | public class JSR166TestCase extends Test
892
893		/**
894		* Just like assertSame(x, y), but additionally recording (using
895	<	* threadRecordFailure) any AssertionFailedError thrown, so that
896	<	* the current testcase will fail.
895	>	* threadRecordFailure) any AssertionError thrown, so that the
896	>	* current testcase will fail.
897		*/
898		public void threadAssertSame(Object x, Object y) {
899		try {
900		assertSame(x, y);
901	<	} catch (AssertionFailedError fail) {
901	>	} catch (AssertionError fail) {
902		threadRecordFailure(fail);
903		throw fail;
904		}
#	Line 730 | Line 920 | public class JSR166TestCase extends Test
920
921		/**
922		* Records the given exception using {@link #threadRecordFailure},
923	<	* then rethrows the exception, wrapping it in an
924	<	* AssertionFailedError if necessary.
923	>	* then rethrows the exception, wrapping it in an AssertionError
924	>	* if necessary.
925		*/
926		public void threadUnexpectedException(Throwable t) {
927		threadRecordFailure(t);
#	Line 740 | Line 930 | public class JSR166TestCase extends Test
930		throw (RuntimeException) t;
931		else if (t instanceof Error)
932		throw (Error) t;
933	<	else {
934	<	AssertionFailedError afe =
745	<	new AssertionFailedError("unexpected exception: " + t);
746	<	afe.initCause(t);
747	<	throw afe;
748	<	}
933	>	else
934	>	throw new AssertionError("unexpected exception: " + t, t);
935		}
936
937		/**
#	Line 813 | Line 999 | public class JSR166TestCase extends Test
999		}};
1000		}
1001
1002	+	PoolCleaner cleaner(ExecutorService pool, AtomicBoolean flag) {
1003	+	return new PoolCleanerWithReleaser(pool, releaser(flag));
1004	+	}
1005	+
1006	+	Runnable releaser(final AtomicBoolean flag) {
1007	+	return new Runnable() { public void run() { flag.set(true); }};
1008	+	}
1009	+
1010		/**
1011		* Waits out termination of a thread pool or fails doing so.
1012		*/
#	Line 836 | Line 1030 | public class JSR166TestCase extends Test
1030		}
1031		}
1032
1033	<	/** Like Runnable, but with the freedom to throw anything */
1033	>	/**
1034	>	* Like Runnable, but with the freedom to throw anything.
1035	>	* junit folks had the same idea:
1036	>	* http://junit.org/junit5/docs/snapshot/api/org/junit/gen5/api/Executable.html
1037	>	*/
1038		interface Action { public void run() throws Throwable; }
1039
1040		/**
#	Line 867 | Line 1065 | public class JSR166TestCase extends Test
1065		* Uninteresting threads are filtered out.
1066		*/
1067		static void dumpTestThreads() {
1068	+	SecurityManager sm = System.getSecurityManager();
1069	+	if (sm != null) {
1070	+	try {
1071	+	System.setSecurityManager(null);
1072	+	} catch (SecurityException giveUp) {
1073	+	return;
1074	+	}
1075	+	}
1076	+
1077		ThreadMXBean threadMXBean = ManagementFactory.getThreadMXBean();
1078		System.err.println("------ stacktrace dump start ------");
1079		for (ThreadInfo info : threadMXBean.dumpAllThreads(true, true)) {
1080	<	String name = info.getThreadName();
1080	>	final String name = info.getThreadName();
1081	>	String lockName;
1082		if ("Signal Dispatcher".equals(name))
1083		continue;
1084		if ("Reference Handler".equals(name)
1085	<	&& info.getLockName().startsWith("java.lang.ref.Reference$Lock"))
1085	>	&& (lockName = info.getLockName()) != null
1086	>	&& lockName.startsWith("java.lang.ref.Reference$Lock"))
1087		continue;
1088		if ("Finalizer".equals(name)
1089	<	&& info.getLockName().startsWith("java.lang.ref.ReferenceQueue$Lock"))
1089	>	&& (lockName = info.getLockName()) != null
1090	>	&& lockName.startsWith("java.lang.ref.ReferenceQueue$Lock"))
1091		continue;
1092		if ("checkForWedgedTest".equals(name))
1093		continue;
1094		System.err.print(info);
1095		}
1096		System.err.println("------ stacktrace dump end ------");
887	–	}
888	–
889	–	/**
890	–	* Checks that thread does not terminate within the default
891	–	* millisecond delay of {@code timeoutMillis()}.
892	–	*/
893	–	void assertThreadStaysAlive(Thread thread) {
894	–	assertThreadStaysAlive(thread, timeoutMillis());
895	–	}
896	–
897	–	/**
898	–	* Checks that thread does not terminate within the given millisecond delay.
899	–	*/
900	–	void assertThreadStaysAlive(Thread thread, long millis) {
901	–	try {
902	–	// No need to optimize the failing case via Thread.join.
903	–	delay(millis);
904	–	assertTrue(thread.isAlive());
905	–	} catch (InterruptedException fail) {
906	–	threadFail("Unexpected InterruptedException");
907	–	}
908	–	}
1097
1098	<	/**
911	<	* Checks that the threads do not terminate within the default
912	<	* millisecond delay of {@code timeoutMillis()}.
913	<	*/
914	<	void assertThreadsStayAlive(Thread... threads) {
915	<	assertThreadsStayAlive(timeoutMillis(), threads);
1098	>	if (sm != null) System.setSecurityManager(sm);
1099		}
1100
1101		/**
1102	<	* Checks that the threads do not terminate within the given millisecond delay.
1102	>	* Checks that thread eventually enters the expected blocked thread state.
1103		*/
1104	<	void assertThreadsStayAlive(long millis, Thread... threads) {
1105	<	try {
1106	<	// No need to optimize the failing case via Thread.join.
1107	<	delay(millis);
1108	<	for (Thread thread : threads)
1109	<	assertTrue(thread.isAlive());
1110	<	} catch (InterruptedException fail) {
1111	<	threadFail("Unexpected InterruptedException");
1104	>	void assertThreadBlocks(Thread thread, Thread.State expected) {
1105	>	// always sleep at least 1 ms, with high probability avoiding
1106	>	// transitory states
1107	>	for (long retries = LONG_DELAY_MS * 3 / 4; retries-->0; ) {
1108	>	try { delay(1); }
1109	>	catch (InterruptedException fail) {
1110	>	throw new AssertionError("Unexpected InterruptedException", fail);
1111	>	}
1112	>	Thread.State s = thread.getState();
1113	>	if (s == expected)
1114	>	return;
1115	>	else if (s == Thread.State.TERMINATED)
1116	>	fail("Unexpected thread termination");
1117		}
1118	+	fail("timed out waiting for thread to enter thread state " + expected);
1119		}
1120
1121		/**
#	Line 967 | Line 1156 | public class JSR166TestCase extends Test
1156		}
1157
1158		/**
1159	+	* The maximum number of consecutive spurious wakeups we should
1160	+	* tolerate (from APIs like LockSupport.park) before failing a test.
1161	+	*/
1162	+	static final int MAX_SPURIOUS_WAKEUPS = 10;
1163	+
1164	+	/**
1165		* The number of elements to place in collections, arrays, etc.
1166		*/
1167		public static final int SIZE = 20;
#	Line 1070 | Line 1265 | public class JSR166TestCase extends Test
1265		}
1266		public void refresh() {}
1267		public String toString() {
1268	<	List<Permission> ps = new ArrayList<Permission>();
1268	>	List<Permission> ps = new ArrayList<>();
1269		for (Enumeration<Permission> e = perms.elements(); e.hasMoreElements();)
1270		ps.add(e.nextElement());
1271		return "AdjustablePolicy with permissions " + ps;
#	Line 1098 | Line 1293 | public class JSR166TestCase extends Test
1293
1294		/**
1295		* Sleeps until the given time has elapsed.
1296	<	* Throws AssertionFailedError if interrupted.
1296	>	* Throws AssertionError if interrupted.
1297		*/
1298	<	void sleep(long millis) {
1298	>	static void sleep(long millis) {
1299		try {
1300		delay(millis);
1301		} catch (InterruptedException fail) {
1302	<	AssertionFailedError afe =
1108	<	new AssertionFailedError("Unexpected InterruptedException");
1109	<	afe.initCause(fail);
1110	<	throw afe;
1302	>	throw new AssertionError("Unexpected InterruptedException", fail);
1303		}
1304		}
1305
1306		/**
1307		* Spin-waits up to the specified number of milliseconds for the given
1308		* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1309	+	* @param waitingForGodot if non-null, an additional condition to satisfy
1310		*/
1311	<	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1312	<	long startTime = System.nanoTime();
1313	<	for (;;) {
1314	<	Thread.State s = thread.getState();
1315	<	if (s == Thread.State.BLOCKED ||
1316	<	s == Thread.State.WAITING ||
1317	<	s == Thread.State.TIMED_WAITING)
1318	<	return;
1319	<	else if (s == Thread.State.TERMINATED)
1311	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis,
1312	>	Callable<Boolean> waitingForGodot) {
1313	>	for (long startTime = 0L;;) {
1314	>	switch (thread.getState()) {
1315	>	default: break;
1316	>	case BLOCKED: case WAITING: case TIMED_WAITING:
1317	>	try {
1318	>	if (waitingForGodot == null || waitingForGodot.call())
1319	>	return;
1320	>	} catch (Throwable fail) { threadUnexpectedException(fail); }
1321	>	break;
1322	>	case TERMINATED:
1323		fail("Unexpected thread termination");
1324	+	}
1325	+
1326	+	if (startTime == 0L)
1327	+	startTime = System.nanoTime();
1328		else if (millisElapsedSince(startTime) > timeoutMillis) {
1329	<	threadAssertTrue(thread.isAlive());
1330	<	return;
1329	>	assertTrue(thread.isAlive());
1330	>	if (waitingForGodot == null
1331	>	|| thread.getState() == Thread.State.RUNNABLE)
1332	>	fail("timed out waiting for thread to enter wait state");
1333	>	else
1334	>	fail("timed out waiting for condition, thread state="
1335	>	+ thread.getState());
1336		}
1337		Thread.yield();
1338		}
1339		}
1340
1341		/**
1342	<	* Waits up to LONG_DELAY_MS for the given thread to enter a wait
1343	<	* state: BLOCKED, WAITING, or TIMED_WAITING.
1342	>	* Spin-waits up to the specified number of milliseconds for the given
1343	>	* thread to enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1344	>	*/
1345	>	void waitForThreadToEnterWaitState(Thread thread, long timeoutMillis) {
1346	>	waitForThreadToEnterWaitState(thread, timeoutMillis, null);
1347	>	}
1348	>
1349	>	/**
1350	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1351	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING.
1352		*/
1353		void waitForThreadToEnterWaitState(Thread thread) {
1354	<	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS);
1354	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, null);
1355	>	}
1356	>
1357	>	/**
1358	>	* Spin-waits up to LONG_DELAY_MS milliseconds for the given thread to
1359	>	* enter a wait state: BLOCKED, WAITING, or TIMED_WAITING,
1360	>	* and additionally satisfy the given condition.
1361	>	*/
1362	>	void waitForThreadToEnterWaitState(Thread thread,
1363	>	Callable<Boolean> waitingForGodot) {
1364	>	waitForThreadToEnterWaitState(thread, LONG_DELAY_MS, waitingForGodot);
1365		}
1366
1367		/**
#	Line 1156 | Line 1379 | public class JSR166TestCase extends Test
1379		//             r.run();
1380		//         } catch (Throwable fail) { threadUnexpectedException(fail); }
1381		//         if (millisElapsedSince(startTime) > timeoutMillis/2)
1382	<	//             throw new AssertionFailedError("did not return promptly");
1382	>	//             throw new AssertionError("did not return promptly");
1383		//     }
1384
1385		//     void assertTerminatesPromptly(Runnable r) {
#	Line 1169 | Line 1392 | public class JSR166TestCase extends Test
1392		*/
1393		<T> void checkTimedGet(Future<T> f, T expectedValue, long timeoutMillis) {
1394		long startTime = System.nanoTime();
1395	+	T actual = null;
1396		try {
1397	<	assertEquals(expectedValue, f.get(timeoutMillis, MILLISECONDS));
1397	>	actual = f.get(timeoutMillis, MILLISECONDS);
1398		} catch (Throwable fail) { threadUnexpectedException(fail); }
1399	+	assertEquals(expectedValue, actual);
1400		if (millisElapsedSince(startTime) > timeoutMillis/2)
1401	<	throw new AssertionFailedError("timed get did not return promptly");
1401	>	throw new AssertionError("timed get did not return promptly");
1402		}
1403
1404		<T> void checkTimedGet(Future<T> f, T expectedValue) {
#	Line 1203 | Line 1428 | public class JSR166TestCase extends Test
1428		} finally {
1429		if (t.getState() != Thread.State.TERMINATED) {
1430		t.interrupt();
1431	<	threadFail("Test timed out");
1431	>	threadFail("timed out waiting for thread to terminate");
1432		}
1433		}
1434		}
#	Line 1231 | Line 1456 | public class JSR166TestCase extends Test
1456		}
1457		}
1458
1234	–	public abstract class RunnableShouldThrow implements Runnable {
1235	–	protected abstract void realRun() throws Throwable;
1236	–
1237	–	final Class<?> exceptionClass;
1238	–
1239	–	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
1240	–	this.exceptionClass = exceptionClass;
1241	–	}
1242	–
1243	–	public final void run() {
1244	–	try {
1245	–	realRun();
1246	–	threadShouldThrow(exceptionClass.getSimpleName());
1247	–	} catch (Throwable t) {
1248	–	if (! exceptionClass.isInstance(t))
1249	–	threadUnexpectedException(t);
1250	–	}
1251	–	}
1252	–	}
1253	–
1459		public abstract class ThreadShouldThrow extends Thread {
1460		protected abstract void realRun() throws Throwable;
1461
#	Line 1263 | Line 1468 | public class JSR166TestCase extends Test
1468		public final void run() {
1469		try {
1470		realRun();
1266	–	threadShouldThrow(exceptionClass.getSimpleName());
1471		} catch (Throwable t) {
1472		if (! exceptionClass.isInstance(t))
1473		threadUnexpectedException(t);
1474	+	return;
1475		}
1476	+	threadShouldThrow(exceptionClass.getSimpleName());
1477		}
1478		}
1479
#	Line 1277 | Line 1483 | public class JSR166TestCase extends Test
1483		public final void run() {
1484		try {
1485		realRun();
1280	–	threadShouldThrow("InterruptedException");
1486		} catch (InterruptedException success) {
1487		threadAssertFalse(Thread.interrupted());
1488	+	return;
1489		} catch (Throwable fail) {
1490		threadUnexpectedException(fail);
1491		}
1492	+	threadShouldThrow("InterruptedException");
1493		}
1494		}
1495
#	Line 1294 | Line 1501 | public class JSR166TestCase extends Test
1501		return realCall();
1502		} catch (Throwable fail) {
1503		threadUnexpectedException(fail);
1297	–	return null;
1298	–	}
1299	–	}
1300	–	}
1301	–
1302	–	public abstract class CheckedInterruptedCallable<T>
1303	–	implements Callable<T> {
1304	–	protected abstract T realCall() throws Throwable;
1305	–
1306	–	public final T call() {
1307	–	try {
1308	–	T result = realCall();
1309	–	threadShouldThrow("InterruptedException");
1310	–	return result;
1311	–	} catch (InterruptedException success) {
1312	–	threadAssertFalse(Thread.interrupted());
1313	–	} catch (Throwable fail) {
1314	–	threadUnexpectedException(fail);
1504		}
1505	<	return null;
1505	>	throw new AssertionError("unreached");
1506		}
1507		}
1508
#	Line 1369 | Line 1558 | public class JSR166TestCase extends Test
1558		return new LatchAwaiter(latch);
1559		}
1560
1561	<	public void await(CountDownLatch latch) {
1561	>	public void await(CountDownLatch latch, long timeoutMillis) {
1562	>	boolean timedOut = false;
1563		try {
1564	<	assertTrue(latch.await(LONG_DELAY_MS, MILLISECONDS));
1564	>	timedOut = !latch.await(timeoutMillis, MILLISECONDS);
1565		} catch (Throwable fail) {
1566		threadUnexpectedException(fail);
1567		}
1568	+	if (timedOut)
1569	+	fail("timed out waiting for CountDownLatch for "
1570	+	+ (timeoutMillis/1000) + " sec");
1571	+	}
1572	+
1573	+	public void await(CountDownLatch latch) {
1574	+	await(latch, LONG_DELAY_MS);
1575		}
1576
1577		public void await(Semaphore semaphore) {
1578	+	boolean timedOut = false;
1579	+	try {
1580	+	timedOut = !semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS);
1581	+	} catch (Throwable fail) {
1582	+	threadUnexpectedException(fail);
1583	+	}
1584	+	if (timedOut)
1585	+	fail("timed out waiting for Semaphore for "
1586	+	+ (LONG_DELAY_MS/1000) + " sec");
1587	+	}
1588	+
1589	+	public void await(CyclicBarrier barrier) {
1590		try {
1591	<	assertTrue(semaphore.tryAcquire(LONG_DELAY_MS, MILLISECONDS));
1591	>	barrier.await(LONG_DELAY_MS, MILLISECONDS);
1592		} catch (Throwable fail) {
1593		threadUnexpectedException(fail);
1594		}
#	Line 1399 | Line 1608 | public class JSR166TestCase extends Test
1608		//         long startTime = System.nanoTime();
1609		//         while (!flag.get()) {
1610		//             if (millisElapsedSince(startTime) > timeoutMillis)
1611	<	//                 throw new AssertionFailedError("timed out");
1611	>	//                 throw new AssertionError("timed out");
1612		//             Thread.yield();
1613		//         }
1614		//     }
#	Line 1408 | Line 1617 | public class JSR166TestCase extends Test
1617		public String call() { throw new NullPointerException(); }
1618		}
1619
1411	–	public static class CallableOne implements Callable<Integer> {
1412	–	public Integer call() { return one; }
1413	–	}
1414	–
1415	–	public class ShortRunnable extends CheckedRunnable {
1416	–	protected void realRun() throws Throwable {
1417	–	delay(SHORT_DELAY_MS);
1418	–	}
1419	–	}
1420	–
1421	–	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
1422	–	protected void realRun() throws InterruptedException {
1423	–	delay(SHORT_DELAY_MS);
1424	–	}
1425	–	}
1426	–
1427	–	public class SmallRunnable extends CheckedRunnable {
1428	–	protected void realRun() throws Throwable {
1429	–	delay(SMALL_DELAY_MS);
1430	–	}
1431	–	}
1432	–
1433	–	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
1434	–	protected void realRun() {
1435	–	try {
1436	–	delay(SMALL_DELAY_MS);
1437	–	} catch (InterruptedException ok) {}
1438	–	}
1439	–	}
1440	–
1441	–	public class SmallCallable extends CheckedCallable {
1442	–	protected Object realCall() throws InterruptedException {
1443	–	delay(SMALL_DELAY_MS);
1444	–	return Boolean.TRUE;
1445	–	}
1446	–	}
1447	–
1448	–	public class MediumRunnable extends CheckedRunnable {
1449	–	protected void realRun() throws Throwable {
1450	–	delay(MEDIUM_DELAY_MS);
1451	–	}
1452	–	}
1453	–
1454	–	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
1455	–	protected void realRun() throws InterruptedException {
1456	–	delay(MEDIUM_DELAY_MS);
1457	–	}
1458	–	}
1459	–
1620		public Runnable possiblyInterruptedRunnable(final long timeoutMillis) {
1621		return new CheckedRunnable() {
1622		protected void realRun() {
#	Line 1466 | Line 1626 | public class JSR166TestCase extends Test
1626		}};
1627		}
1628
1469	–	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
1470	–	protected void realRun() {
1471	–	try {
1472	–	delay(MEDIUM_DELAY_MS);
1473	–	} catch (InterruptedException ok) {}
1474	–	}
1475	–	}
1476	–
1477	–	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
1478	–	protected void realRun() {
1479	–	try {
1480	–	delay(LONG_DELAY_MS);
1481	–	} catch (InterruptedException ok) {}
1482	–	}
1483	–	}
1484	–
1629		/**
1630		* For use as ThreadFactory in constructors
1631		*/
#	Line 1495 | Line 1639 | public class JSR166TestCase extends Test
1639		boolean isDone();
1640		}
1641
1498	–	public static TrackedRunnable trackedRunnable(final long timeoutMillis) {
1499	–	return new TrackedRunnable() {
1500	–	private volatile boolean done = false;
1501	–	public boolean isDone() { return done; }
1502	–	public void run() {
1503	–	try {
1504	–	delay(timeoutMillis);
1505	–	done = true;
1506	–	} catch (InterruptedException ok) {}
1507	–	}
1508	–	};
1509	–	}
1510	–
1511	–	public static class TrackedShortRunnable implements Runnable {
1512	–	public volatile boolean done = false;
1513	–	public void run() {
1514	–	try {
1515	–	delay(SHORT_DELAY_MS);
1516	–	done = true;
1517	–	} catch (InterruptedException ok) {}
1518	–	}
1519	–	}
1520	–
1521	–	public static class TrackedSmallRunnable implements Runnable {
1522	–	public volatile boolean done = false;
1523	–	public void run() {
1524	–	try {
1525	–	delay(SMALL_DELAY_MS);
1526	–	done = true;
1527	–	} catch (InterruptedException ok) {}
1528	–	}
1529	–	}
1530	–
1531	–	public static class TrackedMediumRunnable implements Runnable {
1532	–	public volatile boolean done = false;
1533	–	public void run() {
1534	–	try {
1535	–	delay(MEDIUM_DELAY_MS);
1536	–	done = true;
1537	–	} catch (InterruptedException ok) {}
1538	–	}
1539	–	}
1540	–
1541	–	public static class TrackedLongRunnable implements Runnable {
1542	–	public volatile boolean done = false;
1543	–	public void run() {
1544	–	try {
1545	–	delay(LONG_DELAY_MS);
1546	–	done = true;
1547	–	} catch (InterruptedException ok) {}
1548	–	}
1549	–	}
1550	–
1642		public static class TrackedNoOpRunnable implements Runnable {
1643		public volatile boolean done = false;
1644		public void run() {
#	Line 1555 | Line 1646 | public class JSR166TestCase extends Test
1646		}
1647		}
1648
1558	–	public static class TrackedCallable implements Callable {
1559	–	public volatile boolean done = false;
1560	–	public Object call() {
1561	–	try {
1562	–	delay(SMALL_DELAY_MS);
1563	–	done = true;
1564	–	} catch (InterruptedException ok) {}
1565	–	return Boolean.TRUE;
1566	–	}
1567	–	}
1568	–
1649		/**
1650		* Analog of CheckedRunnable for RecursiveAction
1651		*/
#	Line 1592 | Line 1672 | public class JSR166TestCase extends Test
1672		return realCompute();
1673		} catch (Throwable fail) {
1674		threadUnexpectedException(fail);
1595	–	return null;
1675		}
1676	+	throw new AssertionError("unreached");
1677		}
1678		}
1679
#	Line 1607 | Line 1687 | public class JSR166TestCase extends Test
1687
1688		/**
1689		* A CyclicBarrier that uses timed await and fails with
1690	<	* AssertionFailedErrors instead of throwing checked exceptions.
1690	>	* AssertionErrors instead of throwing checked exceptions.
1691		*/
1692	<	public class CheckedBarrier extends CyclicBarrier {
1692	>	public static class CheckedBarrier extends CyclicBarrier {
1693		public CheckedBarrier(int parties) { super(parties); }
1694
1695		public int await() {
1696		try {
1697		return super.await(2 * LONG_DELAY_MS, MILLISECONDS);
1698		} catch (TimeoutException timedOut) {
1699	<	throw new AssertionFailedError("timed out");
1699	>	throw new AssertionError("timed out");
1700		} catch (Exception fail) {
1701	<	AssertionFailedError afe =
1622	<	new AssertionFailedError("Unexpected exception: " + fail);
1623	<	afe.initCause(fail);
1624	<	throw afe;
1701	>	throw new AssertionError("Unexpected exception: " + fail, fail);
1702		}
1703		}
1704		}
#	Line 1632 | Line 1709 | public class JSR166TestCase extends Test
1709		assertEquals(0, q.size());
1710		assertNull(q.peek());
1711		assertNull(q.poll());
1712	<	assertNull(q.poll(0, MILLISECONDS));
1712	>	assertNull(q.poll(randomExpiredTimeout(), randomTimeUnit()));
1713		assertEquals(q.toString(), "[]");
1714		assertTrue(Arrays.equals(q.toArray(), new Object[0]));
1715		assertFalse(q.iterator().hasNext());
#	Line 1673 | Line 1750 | public class JSR166TestCase extends Test
1750		}
1751		}
1752
1753	+	void assertImmutable(final Object o) {
1754	+	if (o instanceof Collection) {
1755	+	assertThrows(
1756	+	UnsupportedOperationException.class,
1757	+	new Runnable() { public void run() {
1758	+	((Collection) o).add(null);}});
1759	+	}
1760	+	}
1761	+
1762		@SuppressWarnings("unchecked")
1763		<T> T serialClone(T o) {
1764	+	T clone = null;
1765		try {
1766		ObjectInputStream ois = new ObjectInputStream
1767		(new ByteArrayInputStream(serialBytes(o)));
1768	<	T clone = (T) ois.readObject();
1682	<	assertSame(o.getClass(), clone.getClass());
1683	<	return clone;
1768	>	clone = (T) ois.readObject();
1769		} catch (Throwable fail) {
1770		threadUnexpectedException(fail);
1771	+	}
1772	+	if (o == clone) assertImmutable(o);
1773	+	else assertSame(o.getClass(), clone.getClass());
1774	+	return clone;
1775	+	}
1776	+
1777	+	/**
1778	+	* A version of serialClone that leaves error handling (for
1779	+	* e.g. NotSerializableException) up to the caller.
1780	+	*/
1781	+	@SuppressWarnings("unchecked")
1782	+	<T> T serialClonePossiblyFailing(T o)
1783	+	throws ReflectiveOperationException, java.io.IOException {
1784	+	ByteArrayOutputStream bos = new ByteArrayOutputStream();
1785	+	ObjectOutputStream oos = new ObjectOutputStream(bos);
1786	+	oos.writeObject(o);
1787	+	oos.flush();
1788	+	oos.close();
1789	+	ObjectInputStream ois = new ObjectInputStream
1790	+	(new ByteArrayInputStream(bos.toByteArray()));
1791	+	T clone = (T) ois.readObject();
1792	+	if (o == clone) assertImmutable(o);
1793	+	else assertSame(o.getClass(), clone.getClass());
1794	+	return clone;
1795	+	}
1796	+
1797	+	/**
1798	+	* If o implements Cloneable and has a public clone method,
1799	+	* returns a clone of o, else null.
1800	+	*/
1801	+	@SuppressWarnings("unchecked")
1802	+	<T> T cloneableClone(T o) {
1803	+	if (!(o instanceof Cloneable)) return null;
1804	+	final T clone;
1805	+	try {
1806	+	clone = (T) o.getClass().getMethod("clone").invoke(o);
1807	+	} catch (NoSuchMethodException ok) {
1808		return null;
1809	+	} catch (ReflectiveOperationException unexpected) {
1810	+	throw new Error(unexpected);
1811		}
1812	+	assertNotSame(o, clone); // not 100% guaranteed by spec
1813	+	assertSame(o.getClass(), clone.getClass());
1814	+	return clone;
1815		}
1816
1817		public void assertThrows(Class<? extends Throwable> expectedExceptionClass,
#	Line 1694 | Line 1821 | public class JSR166TestCase extends Test
1821		try { throwingAction.run(); }
1822		catch (Throwable t) {
1823		threw = true;
1824	<	if (!expectedExceptionClass.isInstance(t)) {
1825	<	AssertionFailedError afe =
1826	<	new AssertionFailedError
1827	<	("Expected " + expectedExceptionClass.getName() +
1828	<	", got " + t.getClass().getName());
1702	<	afe.initCause(t);
1703	<	threadUnexpectedException(afe);
1704	<	}
1824	>	if (!expectedExceptionClass.isInstance(t))
1825	>	throw new AssertionError(
1826	>	"Expected " + expectedExceptionClass.getName() +
1827	>	", got " + t.getClass().getName(),
1828	>	t);
1829		}
1830		if (!threw)
1831		shouldThrow(expectedExceptionClass.getName());
#	Line 1715 | Line 1839 | public class JSR166TestCase extends Test
1839		} catch (NoSuchElementException success) {}
1840		assertFalse(it.hasNext());
1841		}
1842	+
1843	+	public <T> Callable<T> callableThrowing(final Exception ex) {
1844	+	return new Callable<T>() { public T call() throws Exception { throw ex; }};
1845	+	}
1846	+
1847	+	public Runnable runnableThrowing(final RuntimeException ex) {
1848	+	return new Runnable() { public void run() { throw ex; }};
1849	+	}
1850	+
1851	+	/** A reusable thread pool to be shared by tests. */
1852	+	static final ExecutorService cachedThreadPool =
1853	+	new ThreadPoolExecutor(0, Integer.MAX_VALUE,
1854	+	1000L, MILLISECONDS,
1855	+	new SynchronousQueue<Runnable>());
1856	+
1857	+	static <T> void shuffle(T[] array) {
1858	+	Collections.shuffle(Arrays.asList(array), ThreadLocalRandom.current());
1859	+	}
1860	+
1861	+	/**
1862	+	* Returns the same String as would be returned by {@link
1863	+	* Object#toString}, whether or not the given object's class
1864	+	* overrides toString().
1865	+	*
1866	+	* @see System#identityHashCode
1867	+	*/
1868	+	static String identityString(Object x) {
1869	+	return x.getClass().getName()
1870	+	+ "@" + Integer.toHexString(System.identityHashCode(x));
1871	+	}
1872	+
1873	+	// --- Shared assertions for Executor tests ---
1874	+
1875	+	/**
1876	+	* Returns maximum number of tasks that can be submitted to given
1877	+	* pool (with bounded queue) before saturation (when submission
1878	+	* throws RejectedExecutionException).
1879	+	*/
1880	+	static final int saturatedSize(ThreadPoolExecutor pool) {
1881	+	BlockingQueue<Runnable> q = pool.getQueue();
1882	+	return pool.getMaximumPoolSize() + q.size() + q.remainingCapacity();
1883	+	}
1884	+
1885	+	@SuppressWarnings("FutureReturnValueIgnored")
1886	+	void assertNullTaskSubmissionThrowsNullPointerException(Executor e) {
1887	+	try {
1888	+	e.execute((Runnable) null);
1889	+	shouldThrow();
1890	+	} catch (NullPointerException success) {}
1891	+
1892	+	if (! (e instanceof ExecutorService)) return;
1893	+	ExecutorService es = (ExecutorService) e;
1894	+	try {
1895	+	es.submit((Runnable) null);
1896	+	shouldThrow();
1897	+	} catch (NullPointerException success) {}
1898	+	try {
1899	+	es.submit((Runnable) null, Boolean.TRUE);
1900	+	shouldThrow();
1901	+	} catch (NullPointerException success) {}
1902	+	try {
1903	+	es.submit((Callable) null);
1904	+	shouldThrow();
1905	+	} catch (NullPointerException success) {}
1906	+
1907	+	if (! (e instanceof ScheduledExecutorService)) return;
1908	+	ScheduledExecutorService ses = (ScheduledExecutorService) e;
1909	+	try {
1910	+	ses.schedule((Runnable) null,
1911	+	randomTimeout(), randomTimeUnit());
1912	+	shouldThrow();
1913	+	} catch (NullPointerException success) {}
1914	+	try {
1915	+	ses.schedule((Callable) null,
1916	+	randomTimeout(), randomTimeUnit());
1917	+	shouldThrow();
1918	+	} catch (NullPointerException success) {}
1919	+	try {
1920	+	ses.scheduleAtFixedRate((Runnable) null,
1921	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1922	+	shouldThrow();
1923	+	} catch (NullPointerException success) {}
1924	+	try {
1925	+	ses.scheduleWithFixedDelay((Runnable) null,
1926	+	randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
1927	+	shouldThrow();
1928	+	} catch (NullPointerException success) {}
1929	+	}
1930	+
1931	+	void setRejectedExecutionHandler(
1932	+	ThreadPoolExecutor p, RejectedExecutionHandler handler) {
1933	+	p.setRejectedExecutionHandler(handler);
1934	+	assertSame(handler, p.getRejectedExecutionHandler());
1935	+	}
1936	+
1937	+	void assertTaskSubmissionsAreRejected(ThreadPoolExecutor p) {
1938	+	final RejectedExecutionHandler savedHandler = p.getRejectedExecutionHandler();
1939	+	final long savedTaskCount = p.getTaskCount();
1940	+	final long savedCompletedTaskCount = p.getCompletedTaskCount();
1941	+	final int savedQueueSize = p.getQueue().size();
1942	+	final boolean stock = (p.getClass().getClassLoader() == null);
1943	+
1944	+	Runnable r = () -> {};
1945	+	Callable<Boolean> c = () -> Boolean.TRUE;
1946	+
1947	+	class Recorder implements RejectedExecutionHandler {
1948	+	public volatile Runnable r = null;
1949	+	public volatile ThreadPoolExecutor p = null;
1950	+	public void reset() { r = null; p = null; }
1951	+	public void rejectedExecution(Runnable r, ThreadPoolExecutor p) {
1952	+	assertNull(this.r);
1953	+	assertNull(this.p);
1954	+	this.r = r;
1955	+	this.p = p;
1956	+	}
1957	+	}
1958	+
1959	+	// check custom handler is invoked exactly once per task
1960	+	Recorder recorder = new Recorder();
1961	+	setRejectedExecutionHandler(p, recorder);
1962	+	for (int i = 2; i--> 0; ) {
1963	+	recorder.reset();
1964	+	p.execute(r);
1965	+	if (stock && p.getClass() == ThreadPoolExecutor.class)
1966	+	assertSame(r, recorder.r);
1967	+	assertSame(p, recorder.p);
1968	+
1969	+	recorder.reset();
1970	+	assertFalse(p.submit(r).isDone());
1971	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1972	+	assertSame(p, recorder.p);
1973	+
1974	+	recorder.reset();
1975	+	assertFalse(p.submit(r, Boolean.TRUE).isDone());
1976	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1977	+	assertSame(p, recorder.p);
1978	+
1979	+	recorder.reset();
1980	+	assertFalse(p.submit(c).isDone());
1981	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1982	+	assertSame(p, recorder.p);
1983	+
1984	+	if (p instanceof ScheduledExecutorService) {
1985	+	ScheduledExecutorService s = (ScheduledExecutorService) p;
1986	+	ScheduledFuture<?> future;
1987	+
1988	+	recorder.reset();
1989	+	future = s.schedule(r, randomTimeout(), randomTimeUnit());
1990	+	assertFalse(future.isDone());
1991	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1992	+	assertSame(p, recorder.p);
1993	+
1994	+	recorder.reset();
1995	+	future = s.schedule(c, randomTimeout(), randomTimeUnit());
1996	+	assertFalse(future.isDone());
1997	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
1998	+	assertSame(p, recorder.p);
1999	+
2000	+	recorder.reset();
2001	+	future = s.scheduleAtFixedRate(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2002	+	assertFalse(future.isDone());
2003	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2004	+	assertSame(p, recorder.p);
2005	+
2006	+	recorder.reset();
2007	+	future = s.scheduleWithFixedDelay(r, randomTimeout(), LONG_DELAY_MS, MILLISECONDS);
2008	+	assertFalse(future.isDone());
2009	+	if (stock) assertTrue(!((FutureTask) recorder.r).isDone());
2010	+	assertSame(p, recorder.p);
2011	+	}
2012	+	}
2013	+
2014	+	// Checking our custom handler above should be sufficient, but
2015	+	// we add some integration tests of standard handlers.
2016	+	final AtomicReference<Thread> thread = new AtomicReference<>();
2017	+	final Runnable setThread = () -> thread.set(Thread.currentThread());
2018	+
2019	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.AbortPolicy());
2020	+	try {
2021	+	p.execute(setThread);
2022	+	shouldThrow();
2023	+	} catch (RejectedExecutionException success) {}
2024	+	assertNull(thread.get());
2025	+
2026	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.DiscardPolicy());
2027	+	p.execute(setThread);
2028	+	assertNull(thread.get());
2029	+
2030	+	setRejectedExecutionHandler(p, new ThreadPoolExecutor.CallerRunsPolicy());
2031	+	p.execute(setThread);
2032	+	if (p.isShutdown())
2033	+	assertNull(thread.get());
2034	+	else
2035	+	assertSame(Thread.currentThread(), thread.get());
2036	+
2037	+	setRejectedExecutionHandler(p, savedHandler);
2038	+
2039	+	// check that pool was not perturbed by handlers
2040	+	assertEquals(savedTaskCount, p.getTaskCount());
2041	+	assertEquals(savedCompletedTaskCount, p.getCompletedTaskCount());
2042	+	assertEquals(savedQueueSize, p.getQueue().size());
2043	+	}
2044	+
2045	+	void assertCollectionsEquals(Collection<?> x, Collection<?> y) {
2046	+	assertEquals(x, y);
2047	+	assertEquals(y, x);
2048	+	assertEquals(x.isEmpty(), y.isEmpty());
2049	+	assertEquals(x.size(), y.size());
2050	+	if (x instanceof List) {
2051	+	assertEquals(x.toString(), y.toString());
2052	+	}
2053	+	if (x instanceof List || x instanceof Set) {
2054	+	assertEquals(x.hashCode(), y.hashCode());
2055	+	}
2056	+	if (x instanceof List || x instanceof Deque) {
2057	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2058	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2059	+	y.toArray(new Object[0])));
2060	+	}
2061	+	}
2062	+
2063	+	/**
2064	+	* A weaker form of assertCollectionsEquals which does not insist
2065	+	* that the two collections satisfy Object#equals(Object), since
2066	+	* they may use identity semantics as Deques do.
2067	+	*/
2068	+	void assertCollectionsEquivalent(Collection<?> x, Collection<?> y) {
2069	+	if (x instanceof List || x instanceof Set)
2070	+	assertCollectionsEquals(x, y);
2071	+	else {
2072	+	assertEquals(x.isEmpty(), y.isEmpty());
2073	+	assertEquals(x.size(), y.size());
2074	+	assertEquals(new HashSet(x), new HashSet(y));
2075	+	if (x instanceof Deque) {
2076	+	assertTrue(Arrays.equals(x.toArray(), y.toArray()));
2077	+	assertTrue(Arrays.equals(x.toArray(new Object[0]),
2078	+	y.toArray(new Object[0])));
2079	+	}
2080	+	}
2081	+	}
2082		}

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