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

Comparing jsr166/src/test/tck/JSR166TestCase.java (file contents):
Revision 1.32 by dl, Fri Jul 31 23:02:49 2009 UTC vs.
Revision 1.56 by jsr166, Sun Oct 3 23:59:05 2010 UTC

#	Line 7 | Line 7
7		*/
8
9		import junit.framework.*;
10	<	import java.util.*;
10	>	import java.util.PropertyPermission;
11		import java.util.concurrent.*;
12	<	import java.io.*;
13	<	import java.security.*;
12	>	import java.util.concurrent.atomic.AtomicReference;
13	>	import static java.util.concurrent.TimeUnit.MILLISECONDS;
14	>	import java.security.CodeSource;
15	>	import java.security.Permission;
16	>	import java.security.PermissionCollection;
17	>	import java.security.Permissions;
18	>	import java.security.Policy;
19	>	import java.security.ProtectionDomain;
20	>	import java.security.SecurityPermission;
21
22		/**
23		* Base class for JSR166 Junit TCK tests.  Defines some constants,
#	Line 25 | Line 32 | import java.security.*;
32		* <li> All assertions in code running in generated threads must use
33		* the forms {@link #threadFail}, {@link #threadAssertTrue}, {@link
34		* #threadAssertEquals}, or {@link #threadAssertNull}, (not
35	<	* <tt>fail</tt>, <tt>assertTrue</tt>, etc.) It is OK (but not
35	>	* {@code fail}, {@code assertTrue}, etc.) It is OK (but not
36		* particularly recommended) for other code to use these forms too.
37		* Only the most typically used JUnit assertion methods are defined
38		* this way, but enough to live with.</li>
39		*
40		* <li> If you override {@link #setUp} or {@link #tearDown}, make sure
41	<	* to invoke <tt>super.setUp</tt> and <tt>super.tearDown</tt> within
41	>	* to invoke {@code super.setUp} and {@code super.tearDown} within
42		* them. These methods are used to clear and check for thread
43		* assertion failures.</li>
44		*
45	<	* <li>All delays and timeouts must use one of the constants <tt>
46	<	* SHORT_DELAY_MS</tt>, <tt> SMALL_DELAY_MS</tt>, <tt> MEDIUM_DELAY_MS</tt>,
47	<	* <tt> LONG_DELAY_MS</tt>. The idea here is that a SHORT is always
45	>	* <li>All delays and timeouts must use one of the constants {@code
46	>	* SHORT_DELAY_MS}, {@code SMALL_DELAY_MS}, {@code MEDIUM_DELAY_MS},
47	>	* {@code LONG_DELAY_MS}. The idea here is that a SHORT is always
48		* discriminable from zero time, and always allows enough time for the
49		* small amounts of computation (creating a thread, calling a few
50		* methods, etc) needed to reach a timeout point. Similarly, a SMALL
#	Line 47 | Line 54 | import java.security.*;
54		* in one spot to rerun tests on slower platforms.</li>
55		*
56		* <li> All threads generated must be joined inside each test case
57	<	* method (or <tt>fail</tt> to do so) before returning from the
58	<	* method. The <tt> joinPool</tt> method can be used to do this when
57	>	* method (or {@code fail} to do so) before returning from the
58	>	* method. The {@code joinPool} method can be used to do this when
59		* using Executors.</li>
60		*
61		* </ol>
#	Line 80 | Line 87 | import java.security.*;
87		* any particular package to simplify things for people integrating
88		* them in TCK test suites.</li>
89		*
90	<	* <li> As a convenience, the <tt>main</tt> of this class (JSR166TestCase)
90	>	* <li> As a convenience, the {@code main} of this class (JSR166TestCase)
91		* runs all JSR166 unit tests.</li>
92		*
93		* </ul>
94		*/
95		public class JSR166TestCase extends TestCase {
96	+	private static final boolean useSecurityManager =
97	+	Boolean.getBoolean("jsr166.useSecurityManager");
98	+
99		/**
100		* Runs all JSR166 unit tests using junit.textui.TestRunner
101		*/
102	<	public static void main (String[] args) {
103	<	int iters = 1;
104	<	if (args.length > 0)
105	<	iters = Integer.parseInt(args[0]);
102	>	public static void main(String[] args) {
103	>	if (useSecurityManager) {
104	>	System.err.println("Setting a permissive security manager");
105	>	Policy.setPolicy(permissivePolicy());
106	>	System.setSecurityManager(new SecurityManager());
107	>	}
108	>	int iters = (args.length == 0) ? 1 : Integer.parseInt(args[0]);
109	>
110		Test s = suite();
111		for (int i = 0; i < iters; ++i) {
112	<	junit.textui.TestRunner.run (s);
112	>	junit.textui.TestRunner.run(s);
113		System.gc();
114		System.runFinalization();
115		}
#	Line 105 | Line 119 | public class JSR166TestCase extends Test
119		/**
120		* Collects all JSR166 unit tests as one suite
121		*/
122	<	public static Test suite ( ) {
122	>	public static Test suite() {
123		TestSuite suite = new TestSuite("JSR166 Unit Tests");
124
125	<	suite.addTest(new TestSuite(ForkJoinPoolTest.class));
126	<	suite.addTest(new TestSuite(ForkJoinTaskTest.class));
127	<	suite.addTest(new TestSuite(RecursiveActionTest.class));
128	<	suite.addTest(new TestSuite(RecursiveTaskTest.class));
129	<	suite.addTest(new TestSuite(LinkedTransferQueueTest.class));
130	<	suite.addTest(new TestSuite(PhaserTest.class));
131	<	suite.addTest(new TestSuite(ThreadLocalRandomTest.class));
132	<	suite.addTest(new TestSuite(AbstractExecutorServiceTest.class));
133	<	suite.addTest(new TestSuite(AbstractQueueTest.class));
134	<	suite.addTest(new TestSuite(AbstractQueuedSynchronizerTest.class));
135	<	suite.addTest(new TestSuite(AbstractQueuedLongSynchronizerTest.class));
136	<	suite.addTest(new TestSuite(ArrayBlockingQueueTest.class));
137	<	suite.addTest(new TestSuite(ArrayDequeTest.class));
138	<	suite.addTest(new TestSuite(AtomicBooleanTest.class));
139	<	suite.addTest(new TestSuite(AtomicIntegerArrayTest.class));
140	<	suite.addTest(new TestSuite(AtomicIntegerFieldUpdaterTest.class));
141	<	suite.addTest(new TestSuite(AtomicIntegerTest.class));
142	<	suite.addTest(new TestSuite(AtomicLongArrayTest.class));
143	<	suite.addTest(new TestSuite(AtomicLongFieldUpdaterTest.class));
144	<	suite.addTest(new TestSuite(AtomicLongTest.class));
145	<	suite.addTest(new TestSuite(AtomicMarkableReferenceTest.class));
146	<	suite.addTest(new TestSuite(AtomicReferenceArrayTest.class));
147	<	suite.addTest(new TestSuite(AtomicReferenceFieldUpdaterTest.class));
148	<	suite.addTest(new TestSuite(AtomicReferenceTest.class));
149	<	suite.addTest(new TestSuite(AtomicStampedReferenceTest.class));
150	<	suite.addTest(new TestSuite(ConcurrentHashMapTest.class));
151	<	suite.addTest(new TestSuite(ConcurrentLinkedQueueTest.class));
152	<	suite.addTest(new TestSuite(ConcurrentSkipListMapTest.class));
153	<	suite.addTest(new TestSuite(ConcurrentSkipListSubMapTest.class));
154	<	suite.addTest(new TestSuite(ConcurrentSkipListSetTest.class));
155	<	suite.addTest(new TestSuite(ConcurrentSkipListSubSetTest.class));
156	<	suite.addTest(new TestSuite(CopyOnWriteArrayListTest.class));
157	<	suite.addTest(new TestSuite(CopyOnWriteArraySetTest.class));
158	<	suite.addTest(new TestSuite(CountDownLatchTest.class));
159	<	suite.addTest(new TestSuite(CyclicBarrierTest.class));
160	<	suite.addTest(new TestSuite(DelayQueueTest.class));
161	<	suite.addTest(new TestSuite(EntryTest.class));
162	<	suite.addTest(new TestSuite(ExchangerTest.class));
163	<	suite.addTest(new TestSuite(ExecutorsTest.class));
164	<	suite.addTest(new TestSuite(ExecutorCompletionServiceTest.class));
165	<	suite.addTest(new TestSuite(FutureTaskTest.class));
166	<	suite.addTest(new TestSuite(LinkedBlockingDequeTest.class));
167	<	suite.addTest(new TestSuite(LinkedBlockingQueueTest.class));
168	<	suite.addTest(new TestSuite(LinkedListTest.class));
169	<	suite.addTest(new TestSuite(LockSupportTest.class));
170	<	suite.addTest(new TestSuite(PriorityBlockingQueueTest.class));
171	<	suite.addTest(new TestSuite(PriorityQueueTest.class));
172	<	suite.addTest(new TestSuite(ReentrantLockTest.class));
173	<	suite.addTest(new TestSuite(ReentrantReadWriteLockTest.class));
174	<	suite.addTest(new TestSuite(ScheduledExecutorTest.class));
175	<	suite.addTest(new TestSuite(ScheduledExecutorSubclassTest.class));
176	<	suite.addTest(new TestSuite(SemaphoreTest.class));
177	<	suite.addTest(new TestSuite(SynchronousQueueTest.class));
178	<	suite.addTest(new TestSuite(SystemTest.class));
179	<	suite.addTest(new TestSuite(ThreadLocalTest.class));
180	<	suite.addTest(new TestSuite(ThreadPoolExecutorTest.class));
181	<	suite.addTest(new TestSuite(ThreadPoolExecutorSubclassTest.class));
182	<	suite.addTest(new TestSuite(ThreadTest.class));
183	<	suite.addTest(new TestSuite(TimeUnitTest.class));
184	<	suite.addTest(new TestSuite(TreeMapTest.class));
185	<	suite.addTest(new TestSuite(TreeSetTest.class));
186	<	suite.addTest(new TestSuite(TreeSubMapTest.class));
187	<	suite.addTest(new TestSuite(TreeSubSetTest.class));
125	>	suite.addTest(ForkJoinPoolTest.suite());
126	>	suite.addTest(ForkJoinTaskTest.suite());
127	>	suite.addTest(RecursiveActionTest.suite());
128	>	suite.addTest(RecursiveTaskTest.suite());
129	>	suite.addTest(LinkedTransferQueueTest.suite());
130	>	suite.addTest(PhaserTest.suite());
131	>	suite.addTest(ThreadLocalRandomTest.suite());
132	>	suite.addTest(AbstractExecutorServiceTest.suite());
133	>	suite.addTest(AbstractQueueTest.suite());
134	>	suite.addTest(AbstractQueuedSynchronizerTest.suite());
135	>	suite.addTest(AbstractQueuedLongSynchronizerTest.suite());
136	>	suite.addTest(ArrayBlockingQueueTest.suite());
137	>	suite.addTest(ArrayDequeTest.suite());
138	>	suite.addTest(AtomicBooleanTest.suite());
139	>	suite.addTest(AtomicIntegerArrayTest.suite());
140	>	suite.addTest(AtomicIntegerFieldUpdaterTest.suite());
141	>	suite.addTest(AtomicIntegerTest.suite());
142	>	suite.addTest(AtomicLongArrayTest.suite());
143	>	suite.addTest(AtomicLongFieldUpdaterTest.suite());
144	>	suite.addTest(AtomicLongTest.suite());
145	>	suite.addTest(AtomicMarkableReferenceTest.suite());
146	>	suite.addTest(AtomicReferenceArrayTest.suite());
147	>	suite.addTest(AtomicReferenceFieldUpdaterTest.suite());
148	>	suite.addTest(AtomicReferenceTest.suite());
149	>	suite.addTest(AtomicStampedReferenceTest.suite());
150	>	suite.addTest(ConcurrentHashMapTest.suite());
151	>	suite.addTest(ConcurrentLinkedDequeTest.suite());
152	>	suite.addTest(ConcurrentLinkedQueueTest.suite());
153	>	suite.addTest(ConcurrentSkipListMapTest.suite());
154	>	suite.addTest(ConcurrentSkipListSubMapTest.suite());
155	>	suite.addTest(ConcurrentSkipListSetTest.suite());
156	>	suite.addTest(ConcurrentSkipListSubSetTest.suite());
157	>	suite.addTest(CopyOnWriteArrayListTest.suite());
158	>	suite.addTest(CopyOnWriteArraySetTest.suite());
159	>	suite.addTest(CountDownLatchTest.suite());
160	>	suite.addTest(CyclicBarrierTest.suite());
161	>	suite.addTest(DelayQueueTest.suite());
162	>	suite.addTest(EntryTest.suite());
163	>	suite.addTest(ExchangerTest.suite());
164	>	suite.addTest(ExecutorsTest.suite());
165	>	suite.addTest(ExecutorCompletionServiceTest.suite());
166	>	suite.addTest(FutureTaskTest.suite());
167	>	suite.addTest(LinkedBlockingDequeTest.suite());
168	>	suite.addTest(LinkedBlockingQueueTest.suite());
169	>	suite.addTest(LinkedListTest.suite());
170	>	suite.addTest(LockSupportTest.suite());
171	>	suite.addTest(PriorityBlockingQueueTest.suite());
172	>	suite.addTest(PriorityQueueTest.suite());
173	>	suite.addTest(ReentrantLockTest.suite());
174	>	suite.addTest(ReentrantReadWriteLockTest.suite());
175	>	suite.addTest(ScheduledExecutorTest.suite());
176	>	suite.addTest(ScheduledExecutorSubclassTest.suite());
177	>	suite.addTest(SemaphoreTest.suite());
178	>	suite.addTest(SynchronousQueueTest.suite());
179	>	suite.addTest(SystemTest.suite());
180	>	suite.addTest(ThreadLocalTest.suite());
181	>	suite.addTest(ThreadPoolExecutorTest.suite());
182	>	suite.addTest(ThreadPoolExecutorSubclassTest.suite());
183	>	suite.addTest(ThreadTest.suite());
184	>	suite.addTest(TimeUnitTest.suite());
185	>	suite.addTest(TreeMapTest.suite());
186	>	suite.addTest(TreeSetTest.suite());
187	>	suite.addTest(TreeSubMapTest.suite());
188	>	suite.addTest(TreeSubSetTest.suite());
189
190		return suite;
191		}
#	Line 194 | Line 209 | public class JSR166TestCase extends Test
209		/**
210		* Sets delays as multiples of SHORT_DELAY.
211		*/
212	<	protected  void setDelays() {
212	>	protected void setDelays() {
213		SHORT_DELAY_MS = getShortDelay();
214	<	SMALL_DELAY_MS = SHORT_DELAY_MS * 5;
214	>	SMALL_DELAY_MS  = SHORT_DELAY_MS * 5;
215		MEDIUM_DELAY_MS = SHORT_DELAY_MS * 10;
216	<	LONG_DELAY_MS = SHORT_DELAY_MS * 50;
216	>	LONG_DELAY_MS   = SHORT_DELAY_MS * 50;
217		}
218
219		/**
220	<	* Flag set true if any threadAssert methods fail
220	>	* The first exception encountered if any threadAssertXXX method fails.
221		*/
222	<	volatile boolean threadFailed;
222	>	private final AtomicReference<Throwable> threadFailure
223	>	= new AtomicReference<Throwable>(null);
224
225		/**
226	<	* Initializes test to indicate that no thread assertions have failed
226	>	* Records an exception so that it can be rethrown later in the test
227	>	* harness thread, triggering a test case failure.  Only the first
228	>	* failure is recorded; subsequent calls to this method from within
229	>	* the same test have no effect.
230		*/
231	+	public void threadRecordFailure(Throwable t) {
232	+	threadFailure.compareAndSet(null, t);
233	+	}
234	+
235		public void setUp() {
236		setDelays();
214	–	threadFailed = false;
237		}
238
239		/**
240	<	* Triggers test case failure if any thread assertions have failed
241	<	*/
242	<	public void tearDown() {
243	<	assertFalse(threadFailed);
240	>	* Triggers test case failure if any thread assertions have failed,
241	>	* by rethrowing, in the test harness thread, any exception recorded
242	>	* earlier by threadRecordFailure.
243	>	*/
244	>	public void tearDown() throws Exception {
245	>	Throwable t = threadFailure.get();
246	>	if (t != null) {
247	>	if (t instanceof Error)
248	>	throw (Error) t;
249	>	else if (t instanceof RuntimeException)
250	>	throw (RuntimeException) t;
251	>	else if (t instanceof Exception)
252	>	throw (Exception) t;
253	>	else
254	>	throw new AssertionError(t);
255	>	}
256		}
257
258		/**
259	<	* Fail, also setting status to indicate current testcase should fail
259	>	* Just like fail(reason), but additionally recording (using
260	>	* threadRecordFailure) any AssertionError thrown, so that the current
261	>	* testcase will fail.
262		*/
263		public void threadFail(String reason) {
264	<	threadFailed = true;
265	<	fail(reason);
264	>	try {
265	>	fail(reason);
266	>	} catch (Throwable t) {
267	>	threadRecordFailure(t);
268	>	fail(reason);
269	>	}
270		}
271
272		/**
273	<	* If expression not true, set status to indicate current testcase
274	<	* should fail
273	>	* Just like assertTrue(b), but additionally recording (using
274	>	* threadRecordFailure) any AssertionError thrown, so that the current
275	>	* testcase will fail.
276		*/
277		public void threadAssertTrue(boolean b) {
278	<	if (!b) {
238	<	threadFailed = true;
278	>	try {
279		assertTrue(b);
280	+	} catch (AssertionError t) {
281	+	threadRecordFailure(t);
282	+	throw t;
283		}
284		}
285
286		/**
287	<	* If expression not false, set status to indicate current testcase
288	<	* should fail
287	>	* Just like assertFalse(b), but additionally recording (using
288	>	* threadRecordFailure) any AssertionError thrown, so that the
289	>	* current testcase will fail.
290		*/
291		public void threadAssertFalse(boolean b) {
292	<	if (b) {
249	<	threadFailed = true;
292	>	try {
293		assertFalse(b);
294	+	} catch (AssertionError t) {
295	+	threadRecordFailure(t);
296	+	throw t;
297		}
298		}
299
300		/**
301	<	* If argument not null, set status to indicate current testcase
302	<	* should fail
301	>	* Just like assertNull(x), but additionally recording (using
302	>	* threadRecordFailure) any AssertionError thrown, so that the
303	>	* current testcase will fail.
304		*/
305		public void threadAssertNull(Object x) {
306	<	if (x != null) {
260	<	threadFailed = true;
306	>	try {
307		assertNull(x);
308	+	} catch (AssertionError t) {
309	+	threadRecordFailure(t);
310	+	throw t;
311		}
312		}
313
314		/**
315	<	* If arguments not equal, set status to indicate current testcase
316	<	* should fail
315	>	* Just like assertEquals(x, y), but additionally recording (using
316	>	* threadRecordFailure) any AssertionError thrown, so that the
317	>	* current testcase will fail.
318		*/
319		public void threadAssertEquals(long x, long y) {
320	<	if (x != y) {
271	<	threadFailed = true;
320	>	try {
321		assertEquals(x, y);
322	+	} catch (AssertionError t) {
323	+	threadRecordFailure(t);
324	+	throw t;
325		}
326		}
327
328		/**
329	<	* If arguments not equal, set status to indicate current testcase
330	<	* should fail
329	>	* Just like assertEquals(x, y), but additionally recording (using
330	>	* threadRecordFailure) any AssertionError thrown, so that the
331	>	* current testcase will fail.
332		*/
333		public void threadAssertEquals(Object x, Object y) {
334	<	if (x != y && (x == null || !x.equals(y))) {
282	<	threadFailed = true;
334	>	try {
335		assertEquals(x, y);
336	+	} catch (AssertionError t) {
337	+	threadRecordFailure(t);
338	+	throw t;
339	+	}
340	+	}
341	+
342	+	/**
343	+	* Just like assertSame(x, y), but additionally recording (using
344	+	* threadRecordFailure) any AssertionError thrown, so that the
345	+	* current testcase will fail.
346	+	*/
347	+	public void threadAssertSame(Object x, Object y) {
348	+	try {
349	+	assertSame(x, y);
350	+	} catch (AssertionError t) {
351	+	threadRecordFailure(t);
352	+	throw t;
353		}
354		}
355
356		/**
357	<	* threadFail with message "should throw exception"
358	<	*/
357	>	* Calls threadFail with message "should throw exception".
358	>	*/
359		public void threadShouldThrow() {
360	<	try {
292	<	threadFailed = true;
293	<	fail("should throw exception");
294	<	} catch (AssertionFailedError e) {
295	<	e.printStackTrace();
296	<	throw e;
297	<	}
360	>	threadFail("should throw exception");
361		}
362
363		/**
364	<	* threadFail with message "Unexpected exception"
364	>	* Calls threadFail with message "should throw" + exceptionName.
365		*/
366	<	public void threadUnexpectedException() {
367	<	threadFailed = true;
305	<	fail("Unexpected exception");
366	>	public void threadShouldThrow(String exceptionName) {
367	>	threadFail("should throw " + exceptionName);
368		}
369
370		/**
371	<	* threadFail with message "Unexpected exception", with argument
371	>	* Calls threadFail with message "Unexpected exception" + ex.
372		*/
373	<	public void threadUnexpectedException(Throwable ex) {
374	<	threadFailed = true;
375	<	ex.printStackTrace();
376	<	fail("Unexpected exception: " + ex);
373	>	public void threadUnexpectedException(Throwable t) {
374	>	threadRecordFailure(t);
375	>	t.printStackTrace();
376	>	// Rethrow, wrapping in an AssertionError if necessary
377	>	if (t instanceof RuntimeException)
378	>	throw (RuntimeException) t;
379	>	else if (t instanceof Error)
380	>	throw (Error) t;
381	>	else {
382	>	AssertionError ae = new AssertionError("unexpected exception: " + t);
383	>	t.initCause(t);
384	>	throw ae;
385	>	}
386		}
387
388		/**
389	<	* Wait out termination of a thread pool or fail doing so
389	>	* Waits out termination of a thread pool or fails doing so.
390		*/
391		public void joinPool(ExecutorService exec) {
392		try {
393		exec.shutdown();
394	<	assertTrue(exec.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
395	<	} catch(SecurityException ok) {
394	>	assertTrue("ExecutorService did not terminate in a timely manner",
395	>	exec.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
396	>	} catch (SecurityException ok) {
397		// Allowed in case test doesn't have privs
398	<	} catch(InterruptedException ie) {
399	<	fail("Unexpected exception");
398	>	} catch (InterruptedException ie) {
399	>	fail("Unexpected InterruptedException");
400		}
401		}
402
403
404		/**
405	<	* fail with message "should throw exception"
405	>	* Fails with message "should throw exception".
406		*/
407		public void shouldThrow() {
408		fail("Should throw exception");
409		}
410
411		/**
412	<	* fail with message "Unexpected exception"
412	>	* Fails with message "should throw " + exceptionName.
413	>	*/
414	>	public void shouldThrow(String exceptionName) {
415	>	fail("Should throw " + exceptionName);
416	>	}
417	>
418	>	/**
419	>	* Fails with message "Unexpected exception: " + ex.
420		*/
421	<	public void unexpectedException() {
422	<	fail("Unexpected exception");
421	>	public void unexpectedException(Throwable ex) {
422	>	ex.printStackTrace();
423	>	fail("Unexpected exception: " + ex);
424		}
425
426
427		/**
428		* The number of elements to place in collections, arrays, etc.
429		*/
430	<	static final int SIZE = 20;
430	>	public static final int SIZE = 20;
431
432		// Some convenient Integer constants
433
434	<	static final Integer zero = new Integer(0);
435	<	static final Integer one = new Integer(1);
436	<	static final Integer two = new Integer(2);
437	<	static final Integer three  = new Integer(3);
438	<	static final Integer four  = new Integer(4);
439	<	static final Integer five  = new Integer(5);
440	<	static final Integer six = new Integer(6);
441	<	static final Integer seven = new Integer(7);
442	<	static final Integer eight = new Integer(8);
443	<	static final Integer nine = new Integer(9);
444	<	static final Integer m1  = new Integer(-1);
445	<	static final Integer m2  = new Integer(-2);
446	<	static final Integer m3  = new Integer(-3);
447	<	static final Integer m4 = new Integer(-4);
448	<	static final Integer m5 = new Integer(-5);
449	<	static final Integer m6 = new Integer(-6);
450	<	static final Integer m10 = new Integer(-10);
434	>	public static final Integer zero  = new Integer(0);
435	>	public static final Integer one   = new Integer(1);
436	>	public static final Integer two   = new Integer(2);
437	>	public static final Integer three = new Integer(3);
438	>	public static final Integer four  = new Integer(4);
439	>	public static final Integer five  = new Integer(5);
440	>	public static final Integer six   = new Integer(6);
441	>	public static final Integer seven = new Integer(7);
442	>	public static final Integer eight = new Integer(8);
443	>	public static final Integer nine  = new Integer(9);
444	>	public static final Integer m1  = new Integer(-1);
445	>	public static final Integer m2  = new Integer(-2);
446	>	public static final Integer m3  = new Integer(-3);
447	>	public static final Integer m4  = new Integer(-4);
448	>	public static final Integer m5  = new Integer(-5);
449	>	public static final Integer m6  = new Integer(-6);
450	>	public static final Integer m10 = new Integer(-10);
451
452
453		/**
454	+	* Runs Runnable r with a security policy that permits precisely
455	+	* the specified permissions.  If there is no current security
456	+	* manager, the runnable is run twice, both with and without a
457	+	* security manager.  We require that any security manager permit
458	+	* getPolicy/setPolicy.
459	+	*/
460	+	public void runWithPermissions(Runnable r, Permission... permissions) {
461	+	SecurityManager sm = System.getSecurityManager();
462	+	if (sm == null) {
463	+	r.run();
464	+	Policy savedPolicy = Policy.getPolicy();
465	+	try {
466	+	Policy.setPolicy(permissivePolicy());
467	+	System.setSecurityManager(new SecurityManager());
468	+	runWithPermissions(r, permissions);
469	+	} finally {
470	+	System.setSecurityManager(null);
471	+	Policy.setPolicy(savedPolicy);
472	+	}
473	+	} else {
474	+	Policy savedPolicy = Policy.getPolicy();
475	+	AdjustablePolicy policy = new AdjustablePolicy(permissions);
476	+	Policy.setPolicy(policy);
477	+
478	+	try {
479	+	r.run();
480	+	} finally {
481	+	policy.addPermission(new SecurityPermission("setPolicy"));
482	+	Policy.setPolicy(savedPolicy);
483	+	}
484	+	}
485	+	}
486	+
487	+	/**
488	+	* Runs a runnable without any permissions.
489	+	*/
490	+	public void runWithoutPermissions(Runnable r) {
491	+	runWithPermissions(r);
492	+	}
493	+
494	+	/**
495		* A security policy where new permissions can be dynamically added
496		* or all cleared.
497		*/
498	<	static class AdjustablePolicy extends java.security.Policy {
498	>	public static class AdjustablePolicy extends java.security.Policy {
499		Permissions perms = new Permissions();
500	<	AdjustablePolicy() { }
500	>	AdjustablePolicy(Permission... permissions) {
501	>	for (Permission permission : permissions)
502	>	perms.add(permission);
503	>	}
504		void addPermission(Permission perm) { perms.add(perm); }
505		void clearPermissions() { perms = new Permissions(); }
506	<	public PermissionCollection getPermissions(CodeSource cs) {
507	<	return perms;
508	<	}
509	<	public PermissionCollection getPermissions(ProtectionDomain pd) {
510	<	return perms;
511	<	}
512	<	public boolean implies(ProtectionDomain pd, Permission p) {
513	<	return perms.implies(p);
514	<	}
515	<	public void refresh() {}
506	>	public PermissionCollection getPermissions(CodeSource cs) {
507	>	return perms;
508	>	}
509	>	public PermissionCollection getPermissions(ProtectionDomain pd) {
510	>	return perms;
511	>	}
512	>	public boolean implies(ProtectionDomain pd, Permission p) {
513	>	return perms.implies(p);
514	>	}
515	>	public void refresh() {}
516		}
517
518	+	/**
519	+	* Returns a policy containing all the permissions we ever need.
520	+	*/
521	+	public static Policy permissivePolicy() {
522	+	return new AdjustablePolicy
523	+	// Permissions j.u.c. needs directly
524	+	(new RuntimePermission("modifyThread"),
525	+	new RuntimePermission("getClassLoader"),
526	+	new RuntimePermission("setContextClassLoader"),
527	+	// Permissions needed to change permissions!
528	+	new SecurityPermission("getPolicy"),
529	+	new SecurityPermission("setPolicy"),
530	+	new RuntimePermission("setSecurityManager"),
531	+	// Permissions needed by the junit test harness
532	+	new RuntimePermission("accessDeclaredMembers"),
533	+	new PropertyPermission("*", "read"),
534	+	new java.io.FilePermission("<<ALL FILES>>", "read"));
535	+	}
536
537	<	// Some convenient Runnable classes
538	<
539	<	static class NoOpRunnable implements Runnable {
540	<	public void run() {}
537	>	/**
538	>	* Sleep until the timeout has elapsed, or interrupted.
539	>	* Does <em>NOT</em> throw InterruptedException.
540	>	*/
541	>	void sleepTillInterrupted(long timeoutMillis) {
542	>	try {
543	>	Thread.sleep(timeoutMillis);
544	>	} catch (InterruptedException wakeup) {}
545		}
546
547	<	static class NoOpCallable implements Callable {
548	<	public Object call() { return Boolean.TRUE; }
547	>	/**
548	>	* Returns a new started Thread running the given runnable.
549	>	*/
550	>	Thread newStartedThread(Runnable runnable) {
551	>	Thread t = new Thread(runnable);
552	>	t.start();
553	>	return t;
554		}
555
556	<	static final String TEST_STRING = "a test string";
556	>	// Some convenient Runnable classes
557
558	<	static class StringTask implements Callable<String> {
559	<	public String call() { return TEST_STRING; }
409	<	}
558	>	public abstract class CheckedRunnable implements Runnable {
559	>	protected abstract void realRun() throws Throwable;
560
561	<	static class NPETask implements Callable<String> {
562	<	public String call() { throw new NullPointerException(); }
561	>	public final void run() {
562	>	try {
563	>	realRun();
564	>	} catch (Throwable t) {
565	>	threadUnexpectedException(t);
566	>	}
567	>	}
568		}
569
570	<	static class CallableOne implements Callable<Integer> {
571	<	public Integer call() { return one; }
417	<	}
570	>	public abstract class RunnableShouldThrow implements Runnable {
571	>	protected abstract void realRun() throws Throwable;
572
573	<	class ShortRunnable implements Runnable {
574	<	public void run() {
573	>	final Class<?> exceptionClass;
574	>
575	>	<T extends Throwable> RunnableShouldThrow(Class<T> exceptionClass) {
576	>	this.exceptionClass = exceptionClass;
577	>	}
578	>
579	>	public final void run() {
580		try {
581	<	Thread.sleep(SHORT_DELAY_MS);
582	<	}
583	<	catch(Exception e) {
584	<	threadUnexpectedException(e);
581	>	realRun();
582	>	threadShouldThrow(exceptionClass.getSimpleName());
583	>	} catch (Throwable t) {
584	>	if (! exceptionClass.isInstance(t))
585	>	threadUnexpectedException(t);
586		}
587		}
588		}
589
590	<	class ShortInterruptedRunnable implements Runnable {
591	<	public void run() {
590	>	public abstract class ThreadShouldThrow extends Thread {
591	>	protected abstract void realRun() throws Throwable;
592	>
593	>	final Class<?> exceptionClass;
594	>
595	>	<T extends Throwable> ThreadShouldThrow(Class<T> exceptionClass) {
596	>	this.exceptionClass = exceptionClass;
597	>	}
598	>
599	>	public final void run() {
600		try {
601	<	Thread.sleep(SHORT_DELAY_MS);
602	<	threadShouldThrow();
603	<	}
604	<	catch(InterruptedException success) {
601	>	realRun();
602	>	threadShouldThrow(exceptionClass.getSimpleName());
603	>	} catch (Throwable t) {
604	>	if (! exceptionClass.isInstance(t))
605	>	threadUnexpectedException(t);
606		}
607		}
608		}
609
610	<	class SmallRunnable implements Runnable {
611	<	public void run() {
610	>	public abstract class CheckedInterruptedRunnable implements Runnable {
611	>	protected abstract void realRun() throws Throwable;
612	>
613	>	public final void run() {
614		try {
615	<	Thread.sleep(SMALL_DELAY_MS);
616	<	}
617	<	catch(Exception e) {
618	<	threadUnexpectedException(e);
615	>	realRun();
616	>	threadShouldThrow("InterruptedException");
617	>	} catch (InterruptedException success) {
618	>	} catch (Throwable t) {
619	>	threadUnexpectedException(t);
620		}
621		}
622		}
623
624	<	class SmallPossiblyInterruptedRunnable implements Runnable {
625	<	public void run() {
624	>	public abstract class CheckedCallable<T> implements Callable<T> {
625	>	protected abstract T realCall() throws Throwable;
626	>
627	>	public final T call() {
628		try {
629	<	Thread.sleep(SMALL_DELAY_MS);
630	<	}
631	<	catch(Exception e) {
629	>	return realCall();
630	>	} catch (Throwable t) {
631	>	threadUnexpectedException(t);
632	>	return null;
633		}
634		}
635		}
636
637	<	class SmallCallable implements Callable {
638	<	public Object call() {
637	>	public abstract class CheckedInterruptedCallable<T>
638	>	implements Callable<T> {
639	>	protected abstract T realCall() throws Throwable;
640	>
641	>	public final T call() {
642		try {
643	<	Thread.sleep(SMALL_DELAY_MS);
644	<	}
645	<	catch(Exception e) {
646	<	threadUnexpectedException(e);
643	>	T result = realCall();
644	>	threadShouldThrow("InterruptedException");
645	>	return result;
646	>	} catch (InterruptedException success) {
647	>	} catch (Throwable t) {
648	>	threadUnexpectedException(t);
649		}
650	<	return Boolean.TRUE;
650	>	return null;
651		}
652		}
653
654	<	class SmallInterruptedRunnable implements Runnable {
655	<	public void run() {
654	>	public static class NoOpRunnable implements Runnable {
655	>	public void run() {}
656	>	}
657	>
658	>	public static class NoOpCallable implements Callable {
659	>	public Object call() { return Boolean.TRUE; }
660	>	}
661	>
662	>	public static final String TEST_STRING = "a test string";
663	>
664	>	public static class StringTask implements Callable<String> {
665	>	public String call() { return TEST_STRING; }
666	>	}
667	>
668	>	public Callable<String> latchAwaitingStringTask(final CountDownLatch latch) {
669	>	return new CheckedCallable<String>() {
670	>	public String realCall() {
671	>	try {
672	>	latch.await();
673	>	} catch (InterruptedException quittingTime) {}
674	>	return TEST_STRING;
675	>	}};
676	>	}
677	>
678	>	public static class NPETask implements Callable<String> {
679	>	public String call() { throw new NullPointerException(); }
680	>	}
681	>
682	>	public static class CallableOne implements Callable<Integer> {
683	>	public Integer call() { return one; }
684	>	}
685	>
686	>	public class ShortRunnable extends CheckedRunnable {
687	>	protected void realRun() throws Throwable {
688	>	Thread.sleep(SHORT_DELAY_MS);
689	>	}
690	>	}
691	>
692	>	public class ShortInterruptedRunnable extends CheckedInterruptedRunnable {
693	>	protected void realRun() throws InterruptedException {
694	>	Thread.sleep(SHORT_DELAY_MS);
695	>	}
696	>	}
697	>
698	>	public class SmallRunnable extends CheckedRunnable {
699	>	protected void realRun() throws Throwable {
700	>	Thread.sleep(SMALL_DELAY_MS);
701	>	}
702	>	}
703	>
704	>	public class SmallPossiblyInterruptedRunnable extends CheckedRunnable {
705	>	protected void realRun() {
706		try {
707		Thread.sleep(SMALL_DELAY_MS);
708	<	threadShouldThrow();
709	<	}
710	<	catch(InterruptedException success) {
711	<	}
708	>	} catch (InterruptedException ok) {}
709	>	}
710	>	}
711	>
712	>	public class SmallCallable extends CheckedCallable {
713	>	protected Object realCall() throws InterruptedException {
714	>	Thread.sleep(SMALL_DELAY_MS);
715	>	return Boolean.TRUE;
716		}
717		}
718
719	+	public class SmallInterruptedRunnable extends CheckedInterruptedRunnable {
720	+	protected void realRun() throws InterruptedException {
721	+	Thread.sleep(SMALL_DELAY_MS);
722	+	}
723	+	}
724
725	<	class MediumRunnable implements Runnable {
726	<	public void run() {
727	<	try {
489	<	Thread.sleep(MEDIUM_DELAY_MS);
490	<	}
491	<	catch(Exception e) {
492	<	threadUnexpectedException(e);
493	<	}
725	>	public class MediumRunnable extends CheckedRunnable {
726	>	protected void realRun() throws Throwable {
727	>	Thread.sleep(MEDIUM_DELAY_MS);
728		}
729		}
730
731	<	class MediumInterruptedRunnable implements Runnable {
732	<	public void run() {
733	<	try {
500	<	Thread.sleep(MEDIUM_DELAY_MS);
501	<	threadShouldThrow();
502	<	}
503	<	catch(InterruptedException success) {
504	<	}
731	>	public class MediumInterruptedRunnable extends CheckedInterruptedRunnable {
732	>	protected void realRun() throws InterruptedException {
733	>	Thread.sleep(MEDIUM_DELAY_MS);
734		}
735		}
736
737	<	class MediumPossiblyInterruptedRunnable implements Runnable {
738	<	public void run() {
737	>	public class MediumPossiblyInterruptedRunnable extends CheckedRunnable {
738	>	protected void realRun() {
739		try {
740		Thread.sleep(MEDIUM_DELAY_MS);
741	<	}
513	<	catch(InterruptedException success) {
514	<	}
741	>	} catch (InterruptedException ok) {}
742		}
743		}
744
745	<	class LongPossiblyInterruptedRunnable implements Runnable {
746	<	public void run() {
745	>	public class LongPossiblyInterruptedRunnable extends CheckedRunnable {
746	>	protected void realRun() {
747		try {
748		Thread.sleep(LONG_DELAY_MS);
749	<	}
523	<	catch(InterruptedException success) {
524	<	}
749	>	} catch (InterruptedException ok) {}
750		}
751		}
752
753		/**
754		* For use as ThreadFactory in constructors
755		*/
756	<	static class SimpleThreadFactory implements ThreadFactory{
757	<	public Thread newThread(Runnable r){
756	>	public static class SimpleThreadFactory implements ThreadFactory {
757	>	public Thread newThread(Runnable r) {
758		return new Thread(r);
759		}
760		}
761
762	<	static class TrackedShortRunnable implements Runnable {
763	<	volatile boolean done = false;
762	>	public static class TrackedShortRunnable implements Runnable {
763	>	public volatile boolean done = false;
764		public void run() {
765		try {
766		Thread.sleep(SMALL_DELAY_MS);
767		done = true;
768	<	} catch(Exception e){
544	<	}
768	>	} catch (InterruptedException ok) {}
769		}
770		}
771
772	<	static class TrackedMediumRunnable implements Runnable {
773	<	volatile boolean done = false;
772	>	public static class TrackedMediumRunnable implements Runnable {
773	>	public volatile boolean done = false;
774		public void run() {
775		try {
776		Thread.sleep(MEDIUM_DELAY_MS);
777		done = true;
778	<	} catch(Exception e){
555	<	}
778	>	} catch (InterruptedException ok) {}
779		}
780		}
781
782	<	static class TrackedLongRunnable implements Runnable {
783	<	volatile boolean done = false;
782	>	public static class TrackedLongRunnable implements Runnable {
783	>	public volatile boolean done = false;
784		public void run() {
785		try {
786		Thread.sleep(LONG_DELAY_MS);
787		done = true;
788	<	} catch(Exception e){
566	<	}
788	>	} catch (InterruptedException ok) {}
789		}
790		}
791
792	<	static class TrackedNoOpRunnable implements Runnable {
793	<	volatile boolean done = false;
792	>	public static class TrackedNoOpRunnable implements Runnable {
793	>	public volatile boolean done = false;
794		public void run() {
795		done = true;
796		}
797		}
798
799	<	static class TrackedCallable implements Callable {
800	<	volatile boolean done = false;
799	>	public static class TrackedCallable implements Callable {
800	>	public volatile boolean done = false;
801		public Object call() {
802		try {
803		Thread.sleep(SMALL_DELAY_MS);
804		done = true;
805	<	} catch(Exception e){
584	<	}
805	>	} catch (InterruptedException ok) {}
806		return Boolean.TRUE;
807		}
808		}
809
810	+	/**
811	+	* Analog of CheckedRunnable for RecursiveAction
812	+	*/
813	+	public abstract class CheckedRecursiveAction extends RecursiveAction {
814	+	protected abstract void realCompute() throws Throwable;
815	+
816	+	public final void compute() {
817	+	try {
818	+	realCompute();
819	+	} catch (Throwable t) {
820	+	threadUnexpectedException(t);
821	+	}
822	+	}
823	+	}
824	+
825	+	/**
826	+	* Analog of CheckedCallable for RecursiveTask
827	+	*/
828	+	public abstract class CheckedRecursiveTask<T> extends RecursiveTask<T> {
829	+	protected abstract T realCompute() throws Throwable;
830	+
831	+	public final T compute() {
832	+	try {
833	+	return realCompute();
834	+	} catch (Throwable t) {
835	+	threadUnexpectedException(t);
836	+	return null;
837	+	}
838	+	}
839	+	}
840
841		/**
842		* For use as RejectedExecutionHandler in constructors
843		*/
844	<	static class NoOpREHandler implements RejectedExecutionHandler{
845	<	public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
844	>	public static class NoOpREHandler implements RejectedExecutionHandler {
845	>	public void rejectedExecution(Runnable r,
846	>	ThreadPoolExecutor executor) {}
847		}
848
597	–
849		}

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