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

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.58 by jsr166, Mon Sep 14 00:53:37 2015 UTC vs.
Revision 1.125 by jsr166, Wed Apr 3 20:55:45 2019 UTC

#	Line 11 | Line 11 | import static java.util.concurrent.TimeU
11		import static java.util.concurrent.TimeUnit.SECONDS;
12
13		import java.util.ArrayList;
14	+	import java.util.Collection;
15	+	import java.util.Collections;
16		import java.util.List;
17		import java.util.concurrent.ArrayBlockingQueue;
18		import java.util.concurrent.BlockingQueue;
#	Line 18 | Line 20 | import java.util.concurrent.Callable;
20		import java.util.concurrent.CancellationException;
21		import java.util.concurrent.CountDownLatch;
22		import java.util.concurrent.ExecutionException;
21	–	import java.util.concurrent.Executors;
23		import java.util.concurrent.ExecutorService;
24		import java.util.concurrent.Future;
25		import java.util.concurrent.FutureTask;
#	Line 27 | Line 28 | import java.util.concurrent.RejectedExec
28		import java.util.concurrent.RejectedExecutionHandler;
29		import java.util.concurrent.SynchronousQueue;
30		import java.util.concurrent.ThreadFactory;
31	+	import java.util.concurrent.ThreadLocalRandom;
32		import java.util.concurrent.ThreadPoolExecutor;
33	<	import java.util.concurrent.TimeUnit;
33	>	import java.util.concurrent.ThreadPoolExecutor.AbortPolicy;
34	>	import java.util.concurrent.ThreadPoolExecutor.CallerRunsPolicy;
35	>	import java.util.concurrent.ThreadPoolExecutor.DiscardPolicy;
36	>	import java.util.concurrent.ThreadPoolExecutor.DiscardOldestPolicy;
37	>	import java.util.concurrent.atomic.AtomicInteger;
38	>	import java.util.concurrent.atomic.AtomicReference;
39
40		import junit.framework.Test;
41		import junit.framework.TestSuite;
#	Line 86 | Line 93 | public class ThreadPoolExecutorTest exte
93		new ThreadPoolExecutor(1, 1,
94		LONG_DELAY_MS, MILLISECONDS,
95		new ArrayBlockingQueue<Runnable>(10));
96	<	final CountDownLatch done = new CountDownLatch(1);
97	<	final Runnable task = new CheckedRunnable() {
98	<	public void realRun() {
99	<	done.countDown();
93	<	}};
94	<	try {
96	>	try (PoolCleaner cleaner = cleaner(p)) {
97	>	final CountDownLatch done = new CountDownLatch(1);
98	>	final Runnable task = new CheckedRunnable() {
99	>	public void realRun() { done.countDown(); }};
100		p.execute(task);
101	<	assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
97	<	} finally {
98	<	joinPool(p);
101	>	await(done);
102		}
103		}
104
#	Line 104 | Line 107 | public class ThreadPoolExecutorTest exte
107		* thread becomes active
108		*/
109		public void testGetActiveCount() throws InterruptedException {
110	+	final CountDownLatch done = new CountDownLatch(1);
111		final ThreadPoolExecutor p =
112		new ThreadPoolExecutor(2, 2,
113		LONG_DELAY_MS, MILLISECONDS,
114		new ArrayBlockingQueue<Runnable>(10));
115	<	final CountDownLatch threadStarted = new CountDownLatch(1);
116	<	final CountDownLatch done = new CountDownLatch(1);
113	<	try {
115	>	try (PoolCleaner cleaner = cleaner(p, done)) {
116	>	final CountDownLatch threadStarted = new CountDownLatch(1);
117		assertEquals(0, p.getActiveCount());
118		p.execute(new CheckedRunnable() {
119		public void realRun() throws InterruptedException {
120		threadStarted.countDown();
121		assertEquals(1, p.getActiveCount());
122	<	done.await();
122	>	await(done);
123		}});
124	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
124	>	await(threadStarted);
125		assertEquals(1, p.getActiveCount());
123	–	} finally {
124	–	done.countDown();
125	–	joinPool(p);
126		}
127		}
128
#	Line 131 | Line 131 | public class ThreadPoolExecutorTest exte
131		*/
132		public void testPrestartCoreThread() {
133		final ThreadPoolExecutor p =
134	<	new ThreadPoolExecutor(2, 2,
134	>	new ThreadPoolExecutor(2, 6,
135		LONG_DELAY_MS, MILLISECONDS,
136		new ArrayBlockingQueue<Runnable>(10));
137	<	assertEquals(0, p.getPoolSize());
138	<	assertTrue(p.prestartCoreThread());
139	<	assertEquals(1, p.getPoolSize());
140	<	assertTrue(p.prestartCoreThread());
141	<	assertEquals(2, p.getPoolSize());
142	<	assertFalse(p.prestartCoreThread());
143	<	assertEquals(2, p.getPoolSize());
144	<	joinPool(p);
137	>	try (PoolCleaner cleaner = cleaner(p)) {
138	>	assertEquals(0, p.getPoolSize());
139	>	assertTrue(p.prestartCoreThread());
140	>	assertEquals(1, p.getPoolSize());
141	>	assertTrue(p.prestartCoreThread());
142	>	assertEquals(2, p.getPoolSize());
143	>	assertFalse(p.prestartCoreThread());
144	>	assertEquals(2, p.getPoolSize());
145	>	p.setCorePoolSize(4);
146	>	assertTrue(p.prestartCoreThread());
147	>	assertEquals(3, p.getPoolSize());
148	>	assertTrue(p.prestartCoreThread());
149	>	assertEquals(4, p.getPoolSize());
150	>	assertFalse(p.prestartCoreThread());
151	>	assertEquals(4, p.getPoolSize());
152	>	}
153		}
154
155		/**
#	Line 149 | Line 157 | public class ThreadPoolExecutorTest exte
157		*/
158		public void testPrestartAllCoreThreads() {
159		final ThreadPoolExecutor p =
160	<	new ThreadPoolExecutor(2, 2,
160	>	new ThreadPoolExecutor(2, 6,
161		LONG_DELAY_MS, MILLISECONDS,
162		new ArrayBlockingQueue<Runnable>(10));
163	<	assertEquals(0, p.getPoolSize());
164	<	p.prestartAllCoreThreads();
165	<	assertEquals(2, p.getPoolSize());
166	<	p.prestartAllCoreThreads();
167	<	assertEquals(2, p.getPoolSize());
168	<	joinPool(p);
163	>	try (PoolCleaner cleaner = cleaner(p)) {
164	>	assertEquals(0, p.getPoolSize());
165	>	p.prestartAllCoreThreads();
166	>	assertEquals(2, p.getPoolSize());
167	>	p.prestartAllCoreThreads();
168	>	assertEquals(2, p.getPoolSize());
169	>	p.setCorePoolSize(4);
170	>	p.prestartAllCoreThreads();
171	>	assertEquals(4, p.getPoolSize());
172	>	p.prestartAllCoreThreads();
173	>	assertEquals(4, p.getPoolSize());
174	>	}
175		}
176
177		/**
#	Line 169 | Line 183 | public class ThreadPoolExecutorTest exte
183		new ThreadPoolExecutor(2, 2,
184		LONG_DELAY_MS, MILLISECONDS,
185		new ArrayBlockingQueue<Runnable>(10));
186	<	final CountDownLatch threadStarted = new CountDownLatch(1);
187	<	final CountDownLatch threadProceed = new CountDownLatch(1);
188	<	final CountDownLatch threadDone = new CountDownLatch(1);
189	<	try {
186	>	try (PoolCleaner cleaner = cleaner(p)) {
187	>	final CountDownLatch threadStarted = new CountDownLatch(1);
188	>	final CountDownLatch threadProceed = new CountDownLatch(1);
189	>	final CountDownLatch threadDone = new CountDownLatch(1);
190		assertEquals(0, p.getCompletedTaskCount());
191		p.execute(new CheckedRunnable() {
192		public void realRun() throws InterruptedException {
193		threadStarted.countDown();
194		assertEquals(0, p.getCompletedTaskCount());
195	<	threadProceed.await();
195	>	await(threadProceed);
196		threadDone.countDown();
197		}});
198		await(threadStarted);
199		assertEquals(0, p.getCompletedTaskCount());
200		threadProceed.countDown();
201	<	threadDone.await();
201	>	await(threadDone);
202		long startTime = System.nanoTime();
203		while (p.getCompletedTaskCount() != 1) {
204		if (millisElapsedSince(startTime) > LONG_DELAY_MS)
205		fail("timed out");
206		Thread.yield();
207		}
194	–	} finally {
195	–	joinPool(p);
208		}
209		}
210
#	Line 204 | Line 216 | public class ThreadPoolExecutorTest exte
216		new ThreadPoolExecutor(1, 1,
217		LONG_DELAY_MS, MILLISECONDS,
218		new ArrayBlockingQueue<Runnable>(10));
219	<	assertEquals(1, p.getCorePoolSize());
220	<	joinPool(p);
219	>	try (PoolCleaner cleaner = cleaner(p)) {
220	>	assertEquals(1, p.getCorePoolSize());
221	>	}
222		}
223
224		/**
#	Line 216 | Line 229 | public class ThreadPoolExecutorTest exte
229		new ThreadPoolExecutor(2, 2,
230		1000, MILLISECONDS,
231		new ArrayBlockingQueue<Runnable>(10));
232	<	assertEquals(1, p.getKeepAliveTime(SECONDS));
233	<	joinPool(p);
232	>	try (PoolCleaner cleaner = cleaner(p)) {
233	>	assertEquals(1, p.getKeepAliveTime(SECONDS));
234	>	}
235		}
236
237		/**
238		* getThreadFactory returns factory in constructor if not set
239		*/
240		public void testGetThreadFactory() {
241	<	ThreadFactory tf = new SimpleThreadFactory();
241	>	ThreadFactory threadFactory = new SimpleThreadFactory();
242		final ThreadPoolExecutor p =
243		new ThreadPoolExecutor(1, 2,
244		LONG_DELAY_MS, MILLISECONDS,
245		new ArrayBlockingQueue<Runnable>(10),
246	<	tf,
246	>	threadFactory,
247		new NoOpREHandler());
248	<	assertSame(tf, p.getThreadFactory());
249	<	joinPool(p);
248	>	try (PoolCleaner cleaner = cleaner(p)) {
249	>	assertSame(threadFactory, p.getThreadFactory());
250	>	}
251		}
252
253		/**
#	Line 243 | Line 258 | public class ThreadPoolExecutorTest exte
258		new ThreadPoolExecutor(1, 2,
259		LONG_DELAY_MS, MILLISECONDS,
260		new ArrayBlockingQueue<Runnable>(10));
261	<	ThreadFactory tf = new SimpleThreadFactory();
262	<	p.setThreadFactory(tf);
263	<	assertSame(tf, p.getThreadFactory());
264	<	joinPool(p);
261	>	try (PoolCleaner cleaner = cleaner(p)) {
262	>	ThreadFactory threadFactory = new SimpleThreadFactory();
263	>	p.setThreadFactory(threadFactory);
264	>	assertSame(threadFactory, p.getThreadFactory());
265	>	}
266		}
267
268		/**
#	Line 257 | Line 273 | public class ThreadPoolExecutorTest exte
273		new ThreadPoolExecutor(1, 2,
274		LONG_DELAY_MS, MILLISECONDS,
275		new ArrayBlockingQueue<Runnable>(10));
276	<	try {
277	<	p.setThreadFactory(null);
278	<	shouldThrow();
279	<	} catch (NullPointerException success) {
280	<	} finally {
281	<	joinPool(p);
276	>	try (PoolCleaner cleaner = cleaner(p)) {
277	>	try {
278	>	p.setThreadFactory(null);
279	>	shouldThrow();
280	>	} catch (NullPointerException success) {}
281	>	}
282	>	}
283	>
284	>	/**
285	>	* The default rejected execution handler is AbortPolicy.
286	>	*/
287	>	public void testDefaultRejectedExecutionHandler() {
288	>	final ThreadPoolExecutor p =
289	>	new ThreadPoolExecutor(1, 2,
290	>	LONG_DELAY_MS, MILLISECONDS,
291	>	new ArrayBlockingQueue<Runnable>(10));
292	>	try (PoolCleaner cleaner = cleaner(p)) {
293	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
294		}
295		}
296
#	Line 270 | Line 298 | public class ThreadPoolExecutorTest exte
298		* getRejectedExecutionHandler returns handler in constructor if not set
299		*/
300		public void testGetRejectedExecutionHandler() {
301	<	final RejectedExecutionHandler h = new NoOpREHandler();
301	>	final RejectedExecutionHandler handler = new NoOpREHandler();
302		final ThreadPoolExecutor p =
303		new ThreadPoolExecutor(1, 2,
304		LONG_DELAY_MS, MILLISECONDS,
305		new ArrayBlockingQueue<Runnable>(10),
306	<	h);
307	<	assertSame(h, p.getRejectedExecutionHandler());
308	<	joinPool(p);
306	>	handler);
307	>	try (PoolCleaner cleaner = cleaner(p)) {
308	>	assertSame(handler, p.getRejectedExecutionHandler());
309	>	}
310		}
311
312		/**
#	Line 289 | Line 318 | public class ThreadPoolExecutorTest exte
318		new ThreadPoolExecutor(1, 2,
319		LONG_DELAY_MS, MILLISECONDS,
320		new ArrayBlockingQueue<Runnable>(10));
321	<	RejectedExecutionHandler h = new NoOpREHandler();
322	<	p.setRejectedExecutionHandler(h);
323	<	assertSame(h, p.getRejectedExecutionHandler());
324	<	joinPool(p);
321	>	try (PoolCleaner cleaner = cleaner(p)) {
322	>	RejectedExecutionHandler handler = new NoOpREHandler();
323	>	p.setRejectedExecutionHandler(handler);
324	>	assertSame(handler, p.getRejectedExecutionHandler());
325	>	}
326		}
327
328		/**
#	Line 303 | Line 333 | public class ThreadPoolExecutorTest exte
333		new ThreadPoolExecutor(1, 2,
334		LONG_DELAY_MS, MILLISECONDS,
335		new ArrayBlockingQueue<Runnable>(10));
336	<	try {
337	<	p.setRejectedExecutionHandler(null);
338	<	shouldThrow();
339	<	} catch (NullPointerException success) {
340	<	} finally {
311	<	joinPool(p);
336	>	try (PoolCleaner cleaner = cleaner(p)) {
337	>	try {
338	>	p.setRejectedExecutionHandler(null);
339	>	shouldThrow();
340	>	} catch (NullPointerException success) {}
341		}
342		}
343
#	Line 318 | Line 347 | public class ThreadPoolExecutorTest exte
347		*/
348		public void testGetLargestPoolSize() throws InterruptedException {
349		final int THREADS = 3;
350	+	final CountDownLatch done = new CountDownLatch(1);
351		final ThreadPoolExecutor p =
352		new ThreadPoolExecutor(THREADS, THREADS,
353		LONG_DELAY_MS, MILLISECONDS,
354		new ArrayBlockingQueue<Runnable>(10));
355	<	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
326	<	final CountDownLatch done = new CountDownLatch(1);
327	<	try {
355	>	try (PoolCleaner cleaner = cleaner(p, done)) {
356		assertEquals(0, p.getLargestPoolSize());
357	+	final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
358		for (int i = 0; i < THREADS; i++)
359		p.execute(new CheckedRunnable() {
360		public void realRun() throws InterruptedException {
361		threadsStarted.countDown();
362	<	done.await();
362	>	await(done);
363		assertEquals(THREADS, p.getLargestPoolSize());
364		}});
365	<	assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337	<	assertEquals(THREADS, p.getLargestPoolSize());
338	<	} finally {
339	<	done.countDown();
340	<	joinPool(p);
365	>	await(threadsStarted);
366		assertEquals(THREADS, p.getLargestPoolSize());
367		}
368	+	assertEquals(THREADS, p.getLargestPoolSize());
369		}
370
371		/**
#	Line 351 | Line 377 | public class ThreadPoolExecutorTest exte
377		new ThreadPoolExecutor(2, 3,
378		LONG_DELAY_MS, MILLISECONDS,
379		new ArrayBlockingQueue<Runnable>(10));
380	<	assertEquals(3, p.getMaximumPoolSize());
381	<	joinPool(p);
380	>	try (PoolCleaner cleaner = cleaner(p)) {
381	>	assertEquals(3, p.getMaximumPoolSize());
382	>	p.setMaximumPoolSize(5);
383	>	assertEquals(5, p.getMaximumPoolSize());
384	>	p.setMaximumPoolSize(4);
385	>	assertEquals(4, p.getMaximumPoolSize());
386	>	}
387		}
388
389		/**
#	Line 360 | Line 391 | public class ThreadPoolExecutorTest exte
391		* become active
392		*/
393		public void testGetPoolSize() throws InterruptedException {
394	+	final CountDownLatch done = new CountDownLatch(1);
395		final ThreadPoolExecutor p =
396		new ThreadPoolExecutor(1, 1,
397		LONG_DELAY_MS, MILLISECONDS,
398		new ArrayBlockingQueue<Runnable>(10));
399	<	final CountDownLatch threadStarted = new CountDownLatch(1);
368	<	final CountDownLatch done = new CountDownLatch(1);
369	<	try {
399	>	try (PoolCleaner cleaner = cleaner(p, done)) {
400		assertEquals(0, p.getPoolSize());
401	+	final CountDownLatch threadStarted = new CountDownLatch(1);
402		p.execute(new CheckedRunnable() {
403		public void realRun() throws InterruptedException {
404		threadStarted.countDown();
405		assertEquals(1, p.getPoolSize());
406	<	done.await();
406	>	await(done);
407		}});
408	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
408	>	await(threadStarted);
409		assertEquals(1, p.getPoolSize());
379	–	} finally {
380	–	done.countDown();
381	–	joinPool(p);
410		}
411		}
412
#	Line 386 | Line 414 | public class ThreadPoolExecutorTest exte
414		* getTaskCount increases, but doesn't overestimate, when tasks submitted
415		*/
416		public void testGetTaskCount() throws InterruptedException {
417	+	final int TASKS = 3;
418	+	final CountDownLatch done = new CountDownLatch(1);
419		final ThreadPoolExecutor p =
420		new ThreadPoolExecutor(1, 1,
421		LONG_DELAY_MS, MILLISECONDS,
422		new ArrayBlockingQueue<Runnable>(10));
423	<	final CountDownLatch threadStarted = new CountDownLatch(1);
424	<	final CountDownLatch done = new CountDownLatch(1);
395	<	try {
423	>	try (PoolCleaner cleaner = cleaner(p, done)) {
424	>	final CountDownLatch threadStarted = new CountDownLatch(1);
425		assertEquals(0, p.getTaskCount());
426	+	assertEquals(0, p.getCompletedTaskCount());
427		p.execute(new CheckedRunnable() {
428		public void realRun() throws InterruptedException {
429		threadStarted.countDown();
430	<	assertEquals(1, p.getTaskCount());
401	<	done.await();
430	>	await(done);
431		}});
432	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
432	>	await(threadStarted);
433		assertEquals(1, p.getTaskCount());
434	<	} finally {
435	<	done.countDown();
436	<	joinPool(p);
434	>	assertEquals(0, p.getCompletedTaskCount());
435	>	for (int i = 0; i < TASKS; i++) {
436	>	assertEquals(1 + i, p.getTaskCount());
437	>	p.execute(new CheckedRunnable() {
438	>	public void realRun() throws InterruptedException {
439	>	threadStarted.countDown();
440	>	assertEquals(1 + TASKS, p.getTaskCount());
441	>	await(done);
442	>	}});
443	>	}
444	>	assertEquals(1 + TASKS, p.getTaskCount());
445	>	assertEquals(0, p.getCompletedTaskCount());
446		}
447	+	assertEquals(1 + TASKS, p.getTaskCount());
448	+	assertEquals(1 + TASKS, p.getCompletedTaskCount());
449		}
450
451		/**
#	Line 416 | Line 456 | public class ThreadPoolExecutorTest exte
456		new ThreadPoolExecutor(1, 1,
457		LONG_DELAY_MS, MILLISECONDS,
458		new ArrayBlockingQueue<Runnable>(10));
459	<	assertFalse(p.isShutdown());
460	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
461	<	assertTrue(p.isShutdown());
462	<	joinPool(p);
459	>	try (PoolCleaner cleaner = cleaner(p)) {
460	>	assertFalse(p.isShutdown());
461	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
462	>	assertTrue(p.isShutdown());
463	>	}
464		}
465
466		/**
#	Line 430 | Line 471 | public class ThreadPoolExecutorTest exte
471		new ThreadPoolExecutor(1, 1,
472		LONG_DELAY_MS, MILLISECONDS,
473		new ArrayBlockingQueue<Runnable>(10));
474	<	assertFalse(p.isTerminated());
475	<	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
476	<	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
477	<	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
478	<	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
479	<	assertFalse(p.awaitTermination(0L, NANOSECONDS));
480	<	assertFalse(p.awaitTermination(0L, MILLISECONDS));
481	<	long timeoutNanos = 999999L;
482	<	long startTime = System.nanoTime();
483	<	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
484	<	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
485	<	assertFalse(p.isTerminated());
486	<	startTime = System.nanoTime();
487	<	long timeoutMillis = timeoutMillis();
488	<	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
489	<	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
490	<	assertFalse(p.isTerminated());
491	<	p.shutdown();
492	<	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
493	<	assertTrue(p.isTerminated());
474	>	try (PoolCleaner cleaner = cleaner(p)) {
475	>	assertFalse(p.isTerminated());
476	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
477	>	assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
478	>	assertFalse(p.awaitTermination(-1L, NANOSECONDS));
479	>	assertFalse(p.awaitTermination(-1L, MILLISECONDS));
480	>	assertFalse(p.awaitTermination(randomExpiredTimeout(),
481	>	randomTimeUnit()));
482	>	long timeoutNanos = 999999L;
483	>	long startTime = System.nanoTime();
484	>	assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
485	>	assertTrue(System.nanoTime() - startTime >= timeoutNanos);
486	>	assertFalse(p.isTerminated());
487	>	startTime = System.nanoTime();
488	>	long timeoutMillis = timeoutMillis();
489	>	assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
490	>	assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
491	>	assertFalse(p.isTerminated());
492	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
493	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
494	>	assertTrue(p.isTerminated());
495	>	}
496		}
497
498		/**
#	Line 460 | Line 503 | public class ThreadPoolExecutorTest exte
503		new ThreadPoolExecutor(1, 1,
504		LONG_DELAY_MS, MILLISECONDS,
505		new ArrayBlockingQueue<Runnable>(10));
506	<	final CountDownLatch threadStarted = new CountDownLatch(1);
507	<	final CountDownLatch done = new CountDownLatch(1);
508	<	assertFalse(p.isTerminated());
509	<	try {
506	>	try (PoolCleaner cleaner = cleaner(p)) {
507	>	final CountDownLatch threadStarted = new CountDownLatch(1);
508	>	final CountDownLatch done = new CountDownLatch(1);
509	>	assertFalse(p.isTerminating());
510		p.execute(new CheckedRunnable() {
511		public void realRun() throws InterruptedException {
512	<	assertFalse(p.isTerminated());
512	>	assertFalse(p.isTerminating());
513		threadStarted.countDown();
514	<	done.await();
514	>	await(done);
515		}});
516	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
516	>	await(threadStarted);
517		assertFalse(p.isTerminating());
518		done.countDown();
476	–	} finally {
519		try { p.shutdown(); } catch (SecurityException ok) { return; }
520	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
521	+	assertTrue(p.isTerminated());
522	+	assertFalse(p.isTerminating());
523		}
479	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
480	–	assertTrue(p.isTerminated());
524		}
525
526		/**
#	Line 488 | Line 531 | public class ThreadPoolExecutorTest exte
531		new ThreadPoolExecutor(1, 1,
532		LONG_DELAY_MS, MILLISECONDS,
533		new ArrayBlockingQueue<Runnable>(10));
534	<	final CountDownLatch threadStarted = new CountDownLatch(1);
535	<	final CountDownLatch done = new CountDownLatch(1);
536	<	try {
534	>	try (PoolCleaner cleaner = cleaner(p)) {
535	>	final CountDownLatch threadStarted = new CountDownLatch(1);
536	>	final CountDownLatch done = new CountDownLatch(1);
537		assertFalse(p.isTerminating());
538		p.execute(new CheckedRunnable() {
539		public void realRun() throws InterruptedException {
540		assertFalse(p.isTerminating());
541		threadStarted.countDown();
542	<	done.await();
542	>	await(done);
543		}});
544	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
544	>	await(threadStarted);
545		assertFalse(p.isTerminating());
546		done.countDown();
504	–	} finally {
547		try { p.shutdown(); } catch (SecurityException ok) { return; }
548	+	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
549	+	assertTrue(p.isTerminated());
550	+	assertFalse(p.isTerminating());
551		}
507	–	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
508	–	assertTrue(p.isTerminated());
509	–	assertFalse(p.isTerminating());
552		}
553
554		/**
555		* getQueue returns the work queue, which contains queued tasks
556		*/
557		public void testGetQueue() throws InterruptedException {
558	<	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
558	>	final CountDownLatch done = new CountDownLatch(1);
559	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
560		final ThreadPoolExecutor p =
561		new ThreadPoolExecutor(1, 1,
562		LONG_DELAY_MS, MILLISECONDS,
563		q);
564	<	final CountDownLatch threadStarted = new CountDownLatch(1);
565	<	final CountDownLatch done = new CountDownLatch(1);
523	<	try {
564	>	try (PoolCleaner cleaner = cleaner(p, done)) {
565	>	final CountDownLatch threadStarted = new CountDownLatch(1);
566		FutureTask[] tasks = new FutureTask[5];
567		for (int i = 0; i < tasks.length; i++) {
568		Callable task = new CheckedCallable<Boolean>() {
569		public Boolean realCall() throws InterruptedException {
570		threadStarted.countDown();
571		assertSame(q, p.getQueue());
572	<	done.await();
572	>	await(done);
573		return Boolean.TRUE;
574		}};
575		tasks[i] = new FutureTask(task);
576		p.execute(tasks[i]);
577		}
578	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
578	>	await(threadStarted);
579		assertSame(q, p.getQueue());
580		assertFalse(q.contains(tasks[0]));
581		assertTrue(q.contains(tasks[tasks.length - 1]));
582		assertEquals(tasks.length - 1, q.size());
541	–	} finally {
542	–	done.countDown();
543	–	joinPool(p);
583		}
584		}
585
#	Line 548 | Line 587 | public class ThreadPoolExecutorTest exte
587		* remove(task) removes queued task, and fails to remove active task
588		*/
589		public void testRemove() throws InterruptedException {
590	<	BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
590	>	final CountDownLatch done = new CountDownLatch(1);
591	>	BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
592		final ThreadPoolExecutor p =
593		new ThreadPoolExecutor(1, 1,
594		LONG_DELAY_MS, MILLISECONDS,
595		q);
596	<	Runnable[] tasks = new Runnable[5];
597	<	final CountDownLatch threadStarted = new CountDownLatch(1);
598	<	final CountDownLatch done = new CountDownLatch(1);
559	<	try {
596	>	try (PoolCleaner cleaner = cleaner(p, done)) {
597	>	Runnable[] tasks = new Runnable[6];
598	>	final CountDownLatch threadStarted = new CountDownLatch(1);
599		for (int i = 0; i < tasks.length; i++) {
600		tasks[i] = new CheckedRunnable() {
601		public void realRun() throws InterruptedException {
602		threadStarted.countDown();
603	<	done.await();
603	>	await(done);
604		}};
605		p.execute(tasks[i]);
606		}
607	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607	>	await(threadStarted);
608		assertFalse(p.remove(tasks[0]));
609		assertTrue(q.contains(tasks[4]));
610		assertTrue(q.contains(tasks[3]));
#	Line 575 | Line 614 | public class ThreadPoolExecutorTest exte
614		assertTrue(q.contains(tasks[3]));
615		assertTrue(p.remove(tasks[3]));
616		assertFalse(q.contains(tasks[3]));
578	–	} finally {
579	–	done.countDown();
580	–	joinPool(p);
617		}
618		}
619
#	Line 587 | Line 623 | public class ThreadPoolExecutorTest exte
623		public void testPurge() throws InterruptedException {
624		final CountDownLatch threadStarted = new CountDownLatch(1);
625		final CountDownLatch done = new CountDownLatch(1);
626	<	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
626	>	final BlockingQueue<Runnable> q = new ArrayBlockingQueue<>(10);
627		final ThreadPoolExecutor p =
628		new ThreadPoolExecutor(1, 1,
629		LONG_DELAY_MS, MILLISECONDS,
630		q);
631	<	FutureTask[] tasks = new FutureTask[5];
632	<	try {
631	>	try (PoolCleaner cleaner = cleaner(p, done)) {
632	>	FutureTask[] tasks = new FutureTask[5];
633		for (int i = 0; i < tasks.length; i++) {
634		Callable task = new CheckedCallable<Boolean>() {
635		public Boolean realCall() throws InterruptedException {
636		threadStarted.countDown();
637	<	done.await();
637	>	await(done);
638		return Boolean.TRUE;
639		}};
640		tasks[i] = new FutureTask(task);
641		p.execute(tasks[i]);
642		}
643	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
643	>	await(threadStarted);
644		assertEquals(tasks.length, p.getTaskCount());
645		assertEquals(tasks.length - 1, q.size());
646		assertEquals(1L, p.getActiveCount());
#	Line 617 | Line 653 | public class ThreadPoolExecutorTest exte
653		p.purge();         // Nothing to do
654		assertEquals(tasks.length - 3, q.size());
655		assertEquals(tasks.length - 2, p.getTaskCount());
620	–	} finally {
621	–	done.countDown();
622	–	joinPool(p);
656		}
657		}
658
659		/**
660	<	* shutdownNow returns a list containing tasks that were not run
660	>	* shutdownNow returns a list containing tasks that were not run,
661	>	* and those tasks are drained from the queue
662		*/
663	<	public void testShutdownNow() {
663	>	public void testShutdownNow() throws InterruptedException {
664	>	final int poolSize = 2;
665	>	final int count = 5;
666	>	final AtomicInteger ran = new AtomicInteger(0);
667		final ThreadPoolExecutor p =
668	<	new ThreadPoolExecutor(1, 1,
668	>	new ThreadPoolExecutor(poolSize, poolSize,
669		LONG_DELAY_MS, MILLISECONDS,
670		new ArrayBlockingQueue<Runnable>(10));
671	<	List l;
672	<	try {
673	<	for (int i = 0; i < 5; i++)
637	<	p.execute(new MediumPossiblyInterruptedRunnable());
638	<	}
639	<	finally {
671	>	final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
672	>	Runnable waiter = new CheckedRunnable() { public void realRun() {
673	>	threadsStarted.countDown();
674		try {
675	<	l = p.shutdownNow();
676	<	} catch (SecurityException ok) { return; }
675	>	MILLISECONDS.sleep(2 * LONG_DELAY_MS);
676	>	} catch (InterruptedException success) {}
677	>	ran.getAndIncrement();
678	>	}};
679	>	for (int i = 0; i < count; i++)
680	>	p.execute(waiter);
681	>	await(threadsStarted);
682	>	assertEquals(poolSize, p.getActiveCount());
683	>	assertEquals(0, p.getCompletedTaskCount());
684	>	final List<Runnable> queuedTasks;
685	>	try {
686	>	queuedTasks = p.shutdownNow();
687	>	} catch (SecurityException ok) {
688	>	return; // Allowed in case test doesn't have privs
689		}
690		assertTrue(p.isShutdown());
691	<	assertTrue(l.size() <= 4);
691	>	assertTrue(p.getQueue().isEmpty());
692	>	assertEquals(count - poolSize, queuedTasks.size());
693	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
694	>	assertTrue(p.isTerminated());
695	>	assertEquals(poolSize, ran.get());
696	>	assertEquals(poolSize, p.getCompletedTaskCount());
697		}
698
699		// Exception Tests
#	Line 989 | Line 1040 | public class ThreadPoolExecutorTest exte
1040		* get of submitted callable throws InterruptedException if interrupted
1041		*/
1042		public void testInterruptedSubmit() throws InterruptedException {
1043	+	final CountDownLatch done = new CountDownLatch(1);
1044		final ThreadPoolExecutor p =
1045		new ThreadPoolExecutor(1, 1,
1046		60, SECONDS,
1047		new ArrayBlockingQueue<Runnable>(10));
1048
1049	<	final CountDownLatch threadStarted = new CountDownLatch(1);
1050	<	final CountDownLatch done = new CountDownLatch(1);
999	<	try {
1049	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1050	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1051		Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1052		public void realRun() throws Exception {
1053		Callable task = new CheckedCallable<Boolean>() {
1054		public Boolean realCall() throws InterruptedException {
1055		threadStarted.countDown();
1056	<	done.await();
1056	>	await(done);
1057		return Boolean.TRUE;
1058		}};
1059		p.submit(task).get();
1060		}});
1061
1062	<	assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1062	>	await(threadStarted); // ensure quiescence
1063		t.interrupt();
1064	<	awaitTermination(t, MEDIUM_DELAY_MS);
1014	<	} finally {
1015	<	done.countDown();
1016	<	joinPool(p);
1064	>	awaitTermination(t);
1065		}
1066		}
1067
1068		/**
1069	<	* execute throws RejectedExecutionException if saturated.
1069	>	* Submitted tasks are rejected when saturated or shutdown
1070		*/
1071	<	public void testSaturatedExecute() {
1072	<	ThreadPoolExecutor p =
1073	<	new ThreadPoolExecutor(1, 1,
1074	<	LONG_DELAY_MS, MILLISECONDS,
1075	<	new ArrayBlockingQueue<Runnable>(1));
1071	>	public void testSubmittedTasksRejectedWhenSaturatedOrShutdown() throws InterruptedException {
1072	>	final ThreadPoolExecutor p = new ThreadPoolExecutor(
1073	>	1, 1, 1, SECONDS, new ArrayBlockingQueue<Runnable>(1));
1074	>	final int saturatedSize = saturatedSize(p);
1075	>	final ThreadLocalRandom rnd = ThreadLocalRandom.current();
1076	>	final CountDownLatch threadsStarted = new CountDownLatch(p.getMaximumPoolSize());
1077		final CountDownLatch done = new CountDownLatch(1);
1078	<	try {
1079	<	Runnable task = new CheckedRunnable() {
1080	<	public void realRun() throws InterruptedException {
1032	<	done.await();
1033	<	}};
1034	<	for (int i = 0; i < 2; ++i)
1035	<	p.execute(task);
1036	<	for (int i = 0; i < 2; ++i) {
1078	>	final Runnable r = () -> {
1079	>	threadsStarted.countDown();
1080	>	for (;;) {
1081		try {
1038	–	p.execute(task);
1039	–	shouldThrow();
1040	–	} catch (RejectedExecutionException success) {}
1041	–	assertTrue(p.getTaskCount() <= 2);
1042	–	}
1043	–	} finally {
1044	–	done.countDown();
1045	–	joinPool(p);
1046	–	}
1047	–	}
1048	–
1049	–	/**
1050	–	* submit(runnable) throws RejectedExecutionException if saturated.
1051	–	*/
1052	–	public void testSaturatedSubmitRunnable() {
1053	–	ThreadPoolExecutor p =
1054	–	new ThreadPoolExecutor(1, 1,
1055	–	LONG_DELAY_MS, MILLISECONDS,
1056	–	new ArrayBlockingQueue<Runnable>(1));
1057	–	final CountDownLatch done = new CountDownLatch(1);
1058	–	try {
1059	–	Runnable task = new CheckedRunnable() {
1060	–	public void realRun() throws InterruptedException {
1082		done.await();
1083	<	}};
1084	<	for (int i = 0; i < 2; ++i)
1085	<	p.submit(task);
1086	<	for (int i = 0; i < 2; ++i) {
1083	>	return;
1084	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1085	>	}};
1086	>	final Callable<Boolean> c = () -> {
1087	>	threadsStarted.countDown();
1088	>	for (;;) {
1089		try {
1067	–	p.execute(task);
1068	–	shouldThrow();
1069	–	} catch (RejectedExecutionException success) {}
1070	–	assertTrue(p.getTaskCount() <= 2);
1071	–	}
1072	–	} finally {
1073	–	done.countDown();
1074	–	joinPool(p);
1075	–	}
1076	–	}
1077	–
1078	–	/**
1079	–	* submit(callable) throws RejectedExecutionException if saturated.
1080	–	*/
1081	–	public void testSaturatedSubmitCallable() {
1082	–	ThreadPoolExecutor p =
1083	–	new ThreadPoolExecutor(1, 1,
1084	–	LONG_DELAY_MS, MILLISECONDS,
1085	–	new ArrayBlockingQueue<Runnable>(1));
1086	–	final CountDownLatch done = new CountDownLatch(1);
1087	–	try {
1088	–	Runnable task = new CheckedRunnable() {
1089	–	public void realRun() throws InterruptedException {
1090		done.await();
1091	<	}};
1092	<	for (int i = 0; i < 2; ++i)
1093	<	p.submit(Executors.callable(task));
1094	<	for (int i = 0; i < 2; ++i) {
1095	<	try {
1096	<	p.execute(task);
1097	<	shouldThrow();
1098	<	} catch (RejectedExecutionException success) {}
1099	<	assertTrue(p.getTaskCount() <= 2);
1091	>	return Boolean.TRUE;
1092	>	} catch (InterruptedException shutdownNowDeliberatelyIgnored) {}
1093	>	}};
1094	>	final boolean shutdownNow = rnd.nextBoolean();
1095	>
1096	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1097	>	// saturate
1098	>	for (int i = saturatedSize; i--> 0; ) {
1099	>	switch (rnd.nextInt(4)) {
1100	>	case 0: p.execute(r); break;
1101	>	case 1: assertFalse(p.submit(r).isDone()); break;
1102	>	case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break;
1103	>	case 3: assertFalse(p.submit(c).isDone()); break;
1104	>	}
1105		}
1101	–	} finally {
1102	–	done.countDown();
1103	–	joinPool(p);
1104	–	}
1105	–	}
1106
1107	<	/**
1108	<	* executor using CallerRunsPolicy runs task if saturated.
1109	<	*/
1110	<	public void testSaturatedExecute2() {
1111	<	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1112	<	final ThreadPoolExecutor p =
1113	<	new ThreadPoolExecutor(1, 1,
1114	<	LONG_DELAY_MS,
1115	<	MILLISECONDS,
1116	<	new ArrayBlockingQueue<Runnable>(1),
1117	<	h);
1118	<	try {
1119	<	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1120	<	for (int i = 0; i < tasks.length; ++i)
1121	<	tasks[i] = new TrackedNoOpRunnable();
1122	<	TrackedLongRunnable mr = new TrackedLongRunnable();
1123	<	p.execute(mr);
1124	<	for (int i = 0; i < tasks.length; ++i)
1125	<	p.execute(tasks[i]);
1126	<	for (int i = 1; i < tasks.length; ++i)
1127	<	assertTrue(tasks[i].done);
1128	<	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1129	<	} finally {
1130	<	joinPool(p);
1131	<	}
1132	<	}
1107	>	await(threadsStarted);
1108	>	assertTaskSubmissionsAreRejected(p);
1109
1110	<	/**
1111	<	* executor using DiscardPolicy drops task if saturated.
1112	<	*/
1113	<	public void testSaturatedExecute3() {
1114	<	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1115	<	final ThreadPoolExecutor p =
1116	<	new ThreadPoolExecutor(1, 1,
1117	<	LONG_DELAY_MS, MILLISECONDS,
1118	<	new ArrayBlockingQueue<Runnable>(1),
1119	<	h);
1120	<	try {
1121	<	TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1122	<	for (int i = 0; i < tasks.length; ++i)
1123	<	tasks[i] = new TrackedNoOpRunnable();
1124	<	p.execute(new TrackedLongRunnable());
1125	<	for (TrackedNoOpRunnable task : tasks)
1150	<	p.execute(task);
1151	<	for (TrackedNoOpRunnable task : tasks)
1152	<	assertFalse(task.done);
1153	<	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1154	<	} finally {
1155	<	joinPool(p);
1156	<	}
1110	>	if (shutdownNow)
1111	>	p.shutdownNow();
1112	>	else
1113	>	p.shutdown();
1114	>	// Pool is shutdown, but not yet terminated
1115	>	assertTaskSubmissionsAreRejected(p);
1116	>	assertFalse(p.isTerminated());
1117	>
1118	>	done.countDown();   // release blocking tasks
1119	>	assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
1120	>
1121	>	assertTaskSubmissionsAreRejected(p);
1122	>	}
1123	>	assertEquals(saturatedSize(p)
1124	>	- (shutdownNow ? p.getQueue().remainingCapacity() : 0),
1125	>	p.getCompletedTaskCount());
1126		}
1127
1128		/**
1129		* executor using DiscardOldestPolicy drops oldest task if saturated.
1130		*/
1131	<	public void testSaturatedExecute4() {
1132	<	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1131	>	public void testSaturatedExecute_DiscardOldestPolicy() {
1132	>	final CountDownLatch done = new CountDownLatch(1);
1133	>	LatchAwaiter r1 = awaiter(done);
1134	>	LatchAwaiter r2 = awaiter(done);
1135	>	LatchAwaiter r3 = awaiter(done);
1136		final ThreadPoolExecutor p =
1137		new ThreadPoolExecutor(1, 1,
1138		LONG_DELAY_MS, MILLISECONDS,
1139		new ArrayBlockingQueue<Runnable>(1),
1140	<	h);
1141	<	try {
1142	<	p.execute(new TrackedLongRunnable());
1143	<	TrackedLongRunnable r2 = new TrackedLongRunnable();
1140	>	new DiscardOldestPolicy());
1141	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1142	>	assertEquals(LatchAwaiter.NEW, r1.state);
1143	>	assertEquals(LatchAwaiter.NEW, r2.state);
1144	>	assertEquals(LatchAwaiter.NEW, r3.state);
1145	>	p.execute(r1);
1146		p.execute(r2);
1147		assertTrue(p.getQueue().contains(r2));
1174	–	TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1148		p.execute(r3);
1149		assertFalse(p.getQueue().contains(r2));
1150		assertTrue(p.getQueue().contains(r3));
1178	–	try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1179	–	} finally {
1180	–	joinPool(p);
1181	–	}
1182	–	}
1183	–
1184	–	/**
1185	–	* execute throws RejectedExecutionException if shutdown
1186	–	*/
1187	–	public void testRejectedExecutionExceptionOnShutdown() {
1188	–	ThreadPoolExecutor p =
1189	–	new ThreadPoolExecutor(1, 1,
1190	–	LONG_DELAY_MS, MILLISECONDS,
1191	–	new ArrayBlockingQueue<Runnable>(1));
1192	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1193	–	try {
1194	–	p.execute(new NoOpRunnable());
1195	–	shouldThrow();
1196	–	} catch (RejectedExecutionException success) {}
1197	–
1198	–	joinPool(p);
1199	–	}
1200	–
1201	–	/**
1202	–	* execute using CallerRunsPolicy drops task on shutdown
1203	–	*/
1204	–	public void testCallerRunsOnShutdown() {
1205	–	RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1206	–	final ThreadPoolExecutor p =
1207	–	new ThreadPoolExecutor(1, 1,
1208	–	LONG_DELAY_MS, MILLISECONDS,
1209	–	new ArrayBlockingQueue<Runnable>(1), h);
1210	–
1211	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1212	–	try {
1213	–	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1214	–	p.execute(r);
1215	–	assertFalse(r.done);
1216	–	} finally {
1217	–	joinPool(p);
1218	–	}
1219	–	}
1220	–
1221	–	/**
1222	–	* execute using DiscardPolicy drops task on shutdown
1223	–	*/
1224	–	public void testDiscardOnShutdown() {
1225	–	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1226	–	ThreadPoolExecutor p =
1227	–	new ThreadPoolExecutor(1, 1,
1228	–	LONG_DELAY_MS, MILLISECONDS,
1229	–	new ArrayBlockingQueue<Runnable>(1),
1230	–	h);
1231	–
1232	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1233	–	try {
1234	–	TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1235	–	p.execute(r);
1236	–	assertFalse(r.done);
1237	–	} finally {
1238	–	joinPool(p);
1151		}
1152	+	assertEquals(LatchAwaiter.DONE, r1.state);
1153	+	assertEquals(LatchAwaiter.NEW, r2.state);
1154	+	assertEquals(LatchAwaiter.DONE, r3.state);
1155		}
1156
1157		/**
1158		* execute using DiscardOldestPolicy drops task on shutdown
1159		*/
1160		public void testDiscardOldestOnShutdown() {
1161	<	RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1247	<	ThreadPoolExecutor p =
1161	>	final ThreadPoolExecutor p =
1162		new ThreadPoolExecutor(1, 1,
1163		LONG_DELAY_MS, MILLISECONDS,
1164		new ArrayBlockingQueue<Runnable>(1),
1165	<	h);
1165	>	new DiscardOldestPolicy());
1166
1167		try { p.shutdown(); } catch (SecurityException ok) { return; }
1168	<	try {
1168	>	try (PoolCleaner cleaner = cleaner(p)) {
1169		TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1170		p.execute(r);
1171		assertFalse(r.done);
1258	–	} finally {
1259	–	joinPool(p);
1172		}
1173		}
1174
1175		/**
1176	<	* execute(null) throws NPE
1176	>	* Submitting null tasks throws NullPointerException
1177		*/
1178	<	public void testExecuteNull() {
1179	<	ThreadPoolExecutor p =
1180	<	new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1178	>	public void testNullTaskSubmission() {
1179	>	final ThreadPoolExecutor p =
1180	>	new ThreadPoolExecutor(1, 2,
1181	>	1L, SECONDS,
1182		new ArrayBlockingQueue<Runnable>(10));
1183	<	try {
1184	<	p.execute(null);
1185	<	shouldThrow();
1273	<	} catch (NullPointerException success) {}
1274	<
1275	<	joinPool(p);
1183	>	try (PoolCleaner cleaner = cleaner(p)) {
1184	>	assertNullTaskSubmissionThrowsNullPointerException(p);
1185	>	}
1186		}
1187
1188		/**
1189		* setCorePoolSize of negative value throws IllegalArgumentException
1190		*/
1191		public void testCorePoolSizeIllegalArgumentException() {
1192	<	ThreadPoolExecutor p =
1192	>	final ThreadPoolExecutor p =
1193		new ThreadPoolExecutor(1, 2,
1194		LONG_DELAY_MS, MILLISECONDS,
1195		new ArrayBlockingQueue<Runnable>(10));
1196	<	try {
1197	<	p.setCorePoolSize(-1);
1198	<	shouldThrow();
1199	<	} catch (IllegalArgumentException success) {
1200	<	} finally {
1291	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1196	>	try (PoolCleaner cleaner = cleaner(p)) {
1197	>	try {
1198	>	p.setCorePoolSize(-1);
1199	>	shouldThrow();
1200	>	} catch (IllegalArgumentException success) {}
1201		}
1293	–	joinPool(p);
1202		}
1203
1204		/**
#	Line 1298 | Line 1206 | public class ThreadPoolExecutorTest exte
1206		* given a value less the core pool size
1207		*/
1208		public void testMaximumPoolSizeIllegalArgumentException() {
1209	<	ThreadPoolExecutor p =
1209	>	final ThreadPoolExecutor p =
1210		new ThreadPoolExecutor(2, 3,
1211		LONG_DELAY_MS, MILLISECONDS,
1212		new ArrayBlockingQueue<Runnable>(10));
1213	<	try {
1214	<	p.setMaximumPoolSize(1);
1215	<	shouldThrow();
1216	<	} catch (IllegalArgumentException success) {
1217	<	} finally {
1310	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1213	>	try (PoolCleaner cleaner = cleaner(p)) {
1214	>	try {
1215	>	p.setMaximumPoolSize(1);
1216	>	shouldThrow();
1217	>	} catch (IllegalArgumentException success) {}
1218		}
1312	–	joinPool(p);
1219		}
1220
1221		/**
#	Line 1317 | Line 1223 | public class ThreadPoolExecutorTest exte
1223		* if given a negative value
1224		*/
1225		public void testMaximumPoolSizeIllegalArgumentException2() {
1226	<	ThreadPoolExecutor p =
1226	>	final ThreadPoolExecutor p =
1227		new ThreadPoolExecutor(2, 3,
1228		LONG_DELAY_MS, MILLISECONDS,
1229		new ArrayBlockingQueue<Runnable>(10));
1230	<	try {
1231	<	p.setMaximumPoolSize(-1);
1232	<	shouldThrow();
1233	<	} catch (IllegalArgumentException success) {
1234	<	} finally {
1329	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1230	>	try (PoolCleaner cleaner = cleaner(p)) {
1231	>	try {
1232	>	p.setMaximumPoolSize(-1);
1233	>	shouldThrow();
1234	>	} catch (IllegalArgumentException success) {}
1235		}
1331	–	joinPool(p);
1236		}
1237
1238		/**
#	Line 1336 | Line 1240 | public class ThreadPoolExecutorTest exte
1240		* max pool size result in IllegalArgumentException.
1241		*/
1242		public void testPoolSizeInvariants() {
1243	<	ThreadPoolExecutor p =
1243	>	final ThreadPoolExecutor p =
1244		new ThreadPoolExecutor(1, 1,
1245		LONG_DELAY_MS, MILLISECONDS,
1246		new ArrayBlockingQueue<Runnable>(10));
1247	<	for (int s = 1; s < 5; s++) {
1248	<	p.setMaximumPoolSize(s);
1249	<	p.setCorePoolSize(s);
1250	<	try {
1251	<	p.setMaximumPoolSize(s - 1);
1252	<	shouldThrow();
1253	<	} catch (IllegalArgumentException success) {}
1254	<	assertEquals(s, p.getCorePoolSize());
1255	<	assertEquals(s, p.getMaximumPoolSize());
1256	<	try {
1257	<	p.setCorePoolSize(s + 1);
1258	<	shouldThrow();
1259	<	} catch (IllegalArgumentException success) {}
1260	<	assertEquals(s, p.getCorePoolSize());
1261	<	assertEquals(s, p.getMaximumPoolSize());
1247	>	try (PoolCleaner cleaner = cleaner(p)) {
1248	>	for (int s = 1; s < 5; s++) {
1249	>	p.setMaximumPoolSize(s);
1250	>	p.setCorePoolSize(s);
1251	>	try {
1252	>	p.setMaximumPoolSize(s - 1);
1253	>	shouldThrow();
1254	>	} catch (IllegalArgumentException success) {}
1255	>	assertEquals(s, p.getCorePoolSize());
1256	>	assertEquals(s, p.getMaximumPoolSize());
1257	>	try {
1258	>	p.setCorePoolSize(s + 1);
1259	>	shouldThrow();
1260	>	} catch (IllegalArgumentException success) {}
1261	>	assertEquals(s, p.getCorePoolSize());
1262	>	assertEquals(s, p.getMaximumPoolSize());
1263	>	}
1264		}
1359	–	joinPool(p);
1265		}
1266
1267		/**
#	Line 1364 | Line 1269 | public class ThreadPoolExecutorTest exte
1269		* when given a negative value
1270		*/
1271		public void testKeepAliveTimeIllegalArgumentException() {
1272	<	ThreadPoolExecutor p =
1272	>	final ThreadPoolExecutor p =
1273		new ThreadPoolExecutor(2, 3,
1274		LONG_DELAY_MS, MILLISECONDS,
1275		new ArrayBlockingQueue<Runnable>(10));
1276	<	try {
1277	<	p.setKeepAliveTime(-1,MILLISECONDS);
1278	<	shouldThrow();
1279	<	} catch (IllegalArgumentException success) {
1280	<	} finally {
1376	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1276	>	try (PoolCleaner cleaner = cleaner(p)) {
1277	>	try {
1278	>	p.setKeepAliveTime(-1, MILLISECONDS);
1279	>	shouldThrow();
1280	>	} catch (IllegalArgumentException success) {}
1281		}
1378	–	joinPool(p);
1282		}
1283
1284		/**
#	Line 1383 | Line 1286 | public class ThreadPoolExecutorTest exte
1286		*/
1287		public void testTerminated() {
1288		ExtendedTPE p = new ExtendedTPE();
1289	<	try { p.shutdown(); } catch (SecurityException ok) { return; }
1290	<	assertTrue(p.terminatedCalled());
1291	<	joinPool(p);
1289	>	try (PoolCleaner cleaner = cleaner(p)) {
1290	>	try { p.shutdown(); } catch (SecurityException ok) { return; }
1291	>	assertTrue(p.terminatedCalled());
1292	>	assertTrue(p.isShutdown());
1293	>	}
1294		}
1295
1296		/**
#	Line 1393 | Line 1298 | public class ThreadPoolExecutorTest exte
1298		*/
1299		public void testBeforeAfter() throws InterruptedException {
1300		ExtendedTPE p = new ExtendedTPE();
1301	<	try {
1301	>	try (PoolCleaner cleaner = cleaner(p)) {
1302		final CountDownLatch done = new CountDownLatch(1);
1303		p.execute(new CheckedRunnable() {
1304		public void realRun() {
#	Line 1403 | Line 1308 | public class ThreadPoolExecutorTest exte
1308		assertEquals(0, done.getCount());
1309		assertTrue(p.afterCalled());
1310		assertTrue(p.beforeCalled());
1406	–	try { p.shutdown(); } catch (SecurityException ok) { return; }
1407	–	} finally {
1408	–	joinPool(p);
1311		}
1312		}
1313
#	Line 1413 | Line 1315 | public class ThreadPoolExecutorTest exte
1315		* completed submit of callable returns result
1316		*/
1317		public void testSubmitCallable() throws Exception {
1318	<	ExecutorService e =
1318	>	final ExecutorService e =
1319		new ThreadPoolExecutor(2, 2,
1320		LONG_DELAY_MS, MILLISECONDS,
1321		new ArrayBlockingQueue<Runnable>(10));
1322	<	try {
1322	>	try (PoolCleaner cleaner = cleaner(e)) {
1323		Future<String> future = e.submit(new StringTask());
1324		String result = future.get();
1325		assertSame(TEST_STRING, result);
1424	–	} finally {
1425	–	joinPool(e);
1326		}
1327		}
1328
#	Line 1430 | Line 1330 | public class ThreadPoolExecutorTest exte
1330		* completed submit of runnable returns successfully
1331		*/
1332		public void testSubmitRunnable() throws Exception {
1333	<	ExecutorService e =
1333	>	final ExecutorService e =
1334		new ThreadPoolExecutor(2, 2,
1335		LONG_DELAY_MS, MILLISECONDS,
1336		new ArrayBlockingQueue<Runnable>(10));
1337	<	try {
1337	>	try (PoolCleaner cleaner = cleaner(e)) {
1338		Future<?> future = e.submit(new NoOpRunnable());
1339		future.get();
1340		assertTrue(future.isDone());
1441	–	} finally {
1442	–	joinPool(e);
1341		}
1342		}
1343
#	Line 1447 | Line 1345 | public class ThreadPoolExecutorTest exte
1345		* completed submit of (runnable, result) returns result
1346		*/
1347		public void testSubmitRunnable2() throws Exception {
1348	<	ExecutorService e =
1348	>	final ExecutorService e =
1349		new ThreadPoolExecutor(2, 2,
1350		LONG_DELAY_MS, MILLISECONDS,
1351		new ArrayBlockingQueue<Runnable>(10));
1352	<	try {
1352	>	try (PoolCleaner cleaner = cleaner(e)) {
1353		Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1354		String result = future.get();
1355		assertSame(TEST_STRING, result);
1458	–	} finally {
1459	–	joinPool(e);
1356		}
1357		}
1358
#	Line 1464 | Line 1360 | public class ThreadPoolExecutorTest exte
1360		* invokeAny(null) throws NPE
1361		*/
1362		public void testInvokeAny1() throws Exception {
1363	<	ExecutorService e =
1363	>	final ExecutorService e =
1364		new ThreadPoolExecutor(2, 2,
1365		LONG_DELAY_MS, MILLISECONDS,
1366		new ArrayBlockingQueue<Runnable>(10));
1367	<	try {
1368	<	e.invokeAny(null);
1369	<	shouldThrow();
1370	<	} catch (NullPointerException success) {
1371	<	} finally {
1476	<	joinPool(e);
1367	>	try (PoolCleaner cleaner = cleaner(e)) {
1368	>	try {
1369	>	e.invokeAny(null);
1370	>	shouldThrow();
1371	>	} catch (NullPointerException success) {}
1372		}
1373		}
1374
1375		/**
1376	<	* invokeAny(empty collection) throws IAE
1376	>	* invokeAny(empty collection) throws IllegalArgumentException
1377		*/
1378		public void testInvokeAny2() throws Exception {
1379	<	ExecutorService e =
1379	>	final ExecutorService e =
1380		new ThreadPoolExecutor(2, 2,
1381		LONG_DELAY_MS, MILLISECONDS,
1382		new ArrayBlockingQueue<Runnable>(10));
1383	<	try {
1384	<	e.invokeAny(new ArrayList<Callable<String>>());
1385	<	shouldThrow();
1386	<	} catch (IllegalArgumentException success) {
1387	<	} finally {
1493	<	joinPool(e);
1383	>	try (PoolCleaner cleaner = cleaner(e)) {
1384	>	try {
1385	>	e.invokeAny(new ArrayList<Callable<String>>());
1386	>	shouldThrow();
1387	>	} catch (IllegalArgumentException success) {}
1388		}
1389		}
1390
#	Line 1503 | Line 1397 | public class ThreadPoolExecutorTest exte
1397		new ThreadPoolExecutor(2, 2,
1398		LONG_DELAY_MS, MILLISECONDS,
1399		new ArrayBlockingQueue<Runnable>(10));
1400	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1401	<	l.add(latchAwaitingStringTask(latch));
1402	<	l.add(null);
1403	<	try {
1404	<	e.invokeAny(l);
1405	<	shouldThrow();
1406	<	} catch (NullPointerException success) {
1407	<	} finally {
1400	>	try (PoolCleaner cleaner = cleaner(e)) {
1401	>	List<Callable<String>> l = new ArrayList<>();
1402	>	l.add(latchAwaitingStringTask(latch));
1403	>	l.add(null);
1404	>	try {
1405	>	e.invokeAny(l);
1406	>	shouldThrow();
1407	>	} catch (NullPointerException success) {}
1408		latch.countDown();
1515	–	joinPool(e);
1409		}
1410		}
1411
#	Line 1520 | Line 1413 | public class ThreadPoolExecutorTest exte
1413		* invokeAny(c) throws ExecutionException if no task completes
1414		*/
1415		public void testInvokeAny4() throws Exception {
1416	<	ExecutorService e =
1416	>	final ExecutorService e =
1417		new ThreadPoolExecutor(2, 2,
1418		LONG_DELAY_MS, MILLISECONDS,
1419		new ArrayBlockingQueue<Runnable>(10));
1420	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1421	<	l.add(new NPETask());
1422	<	try {
1423	<	e.invokeAny(l);
1424	<	shouldThrow();
1425	<	} catch (ExecutionException success) {
1426	<	assertTrue(success.getCause() instanceof NullPointerException);
1427	<	} finally {
1428	<	joinPool(e);
1420	>	try (PoolCleaner cleaner = cleaner(e)) {
1421	>	List<Callable<String>> l = new ArrayList<>();
1422	>	l.add(new NPETask());
1423	>	try {
1424	>	e.invokeAny(l);
1425	>	shouldThrow();
1426	>	} catch (ExecutionException success) {
1427	>	assertTrue(success.getCause() instanceof NullPointerException);
1428	>	}
1429		}
1430		}
1431
#	Line 1540 | Line 1433 | public class ThreadPoolExecutorTest exte
1433		* invokeAny(c) returns result of some task
1434		*/
1435		public void testInvokeAny5() throws Exception {
1436	<	ExecutorService e =
1436	>	final ExecutorService e =
1437		new ThreadPoolExecutor(2, 2,
1438		LONG_DELAY_MS, MILLISECONDS,
1439		new ArrayBlockingQueue<Runnable>(10));
1440	<	try {
1441	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1440	>	try (PoolCleaner cleaner = cleaner(e)) {
1441	>	List<Callable<String>> l = new ArrayList<>();
1442		l.add(new StringTask());
1443		l.add(new StringTask());
1444		String result = e.invokeAny(l);
1445		assertSame(TEST_STRING, result);
1553	–	} finally {
1554	–	joinPool(e);
1446		}
1447		}
1448
#	Line 1559 | Line 1450 | public class ThreadPoolExecutorTest exte
1450		* invokeAll(null) throws NPE
1451		*/
1452		public void testInvokeAll1() throws Exception {
1453	<	ExecutorService e =
1453	>	final ExecutorService e =
1454		new ThreadPoolExecutor(2, 2,
1455		LONG_DELAY_MS, MILLISECONDS,
1456		new ArrayBlockingQueue<Runnable>(10));
1457	<	try {
1458	<	e.invokeAll(null);
1459	<	shouldThrow();
1460	<	} catch (NullPointerException success) {
1461	<	} finally {
1571	<	joinPool(e);
1457	>	try (PoolCleaner cleaner = cleaner(e)) {
1458	>	try {
1459	>	e.invokeAll(null);
1460	>	shouldThrow();
1461	>	} catch (NullPointerException success) {}
1462		}
1463		}
1464
1465		/**
1466	<	* invokeAll(empty collection) returns empty collection
1466	>	* invokeAll(empty collection) returns empty list
1467		*/
1468		public void testInvokeAll2() throws InterruptedException {
1469	<	ExecutorService e =
1469	>	final ExecutorService e =
1470		new ThreadPoolExecutor(2, 2,
1471		LONG_DELAY_MS, MILLISECONDS,
1472		new ArrayBlockingQueue<Runnable>(10));
1473	<	try {
1474	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1473	>	final Collection<Callable<String>> emptyCollection
1474	>	= Collections.emptyList();
1475	>	try (PoolCleaner cleaner = cleaner(e)) {
1476	>	List<Future<String>> r = e.invokeAll(emptyCollection);
1477		assertTrue(r.isEmpty());
1586	–	} finally {
1587	–	joinPool(e);
1478		}
1479		}
1480
#	Line 1592 | Line 1482 | public class ThreadPoolExecutorTest exte
1482		* invokeAll(c) throws NPE if c has null elements
1483		*/
1484		public void testInvokeAll3() throws Exception {
1485	<	ExecutorService e =
1485	>	final ExecutorService e =
1486		new ThreadPoolExecutor(2, 2,
1487		LONG_DELAY_MS, MILLISECONDS,
1488		new ArrayBlockingQueue<Runnable>(10));
1489	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1490	<	l.add(new StringTask());
1491	<	l.add(null);
1492	<	try {
1493	<	e.invokeAll(l);
1494	<	shouldThrow();
1495	<	} catch (NullPointerException success) {
1496	<	} finally {
1607	<	joinPool(e);
1489	>	try (PoolCleaner cleaner = cleaner(e)) {
1490	>	List<Callable<String>> l = new ArrayList<>();
1491	>	l.add(new StringTask());
1492	>	l.add(null);
1493	>	try {
1494	>	e.invokeAll(l);
1495	>	shouldThrow();
1496	>	} catch (NullPointerException success) {}
1497		}
1498		}
1499
#	Line 1612 | Line 1501 | public class ThreadPoolExecutorTest exte
1501		* get of element of invokeAll(c) throws exception on failed task
1502		*/
1503		public void testInvokeAll4() throws Exception {
1504	<	ExecutorService e =
1504	>	final ExecutorService e =
1505		new ThreadPoolExecutor(2, 2,
1506		LONG_DELAY_MS, MILLISECONDS,
1507		new ArrayBlockingQueue<Runnable>(10));
1508	<	try {
1509	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1508	>	try (PoolCleaner cleaner = cleaner(e)) {
1509	>	List<Callable<String>> l = new ArrayList<>();
1510		l.add(new NPETask());
1511		List<Future<String>> futures = e.invokeAll(l);
1512		assertEquals(1, futures.size());
#	Line 1627 | Line 1516 | public class ThreadPoolExecutorTest exte
1516		} catch (ExecutionException success) {
1517		assertTrue(success.getCause() instanceof NullPointerException);
1518		}
1630	–	} finally {
1631	–	joinPool(e);
1519		}
1520		}
1521
#	Line 1636 | Line 1523 | public class ThreadPoolExecutorTest exte
1523		* invokeAll(c) returns results of all completed tasks
1524		*/
1525		public void testInvokeAll5() throws Exception {
1526	<	ExecutorService e =
1526	>	final ExecutorService e =
1527		new ThreadPoolExecutor(2, 2,
1528		LONG_DELAY_MS, MILLISECONDS,
1529		new ArrayBlockingQueue<Runnable>(10));
1530	<	try {
1531	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1530	>	try (PoolCleaner cleaner = cleaner(e)) {
1531	>	List<Callable<String>> l = new ArrayList<>();
1532		l.add(new StringTask());
1533		l.add(new StringTask());
1534		List<Future<String>> futures = e.invokeAll(l);
1535		assertEquals(2, futures.size());
1536		for (Future<String> future : futures)
1537		assertSame(TEST_STRING, future.get());
1651	–	} finally {
1652	–	joinPool(e);
1538		}
1539		}
1540
#	Line 1657 | Line 1542 | public class ThreadPoolExecutorTest exte
1542		* timed invokeAny(null) throws NPE
1543		*/
1544		public void testTimedInvokeAny1() throws Exception {
1545	<	ExecutorService e =
1545	>	final ExecutorService e =
1546		new ThreadPoolExecutor(2, 2,
1547		LONG_DELAY_MS, MILLISECONDS,
1548		new ArrayBlockingQueue<Runnable>(10));
1549	<	try {
1550	<	e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1551	<	shouldThrow();
1552	<	} catch (NullPointerException success) {
1553	<	} finally {
1669	<	joinPool(e);
1549	>	try (PoolCleaner cleaner = cleaner(e)) {
1550	>	try {
1551	>	e.invokeAny(null, randomTimeout(), randomTimeUnit());
1552	>	shouldThrow();
1553	>	} catch (NullPointerException success) {}
1554		}
1555		}
1556
#	Line 1674 | Line 1558 | public class ThreadPoolExecutorTest exte
1558		* timed invokeAny(,,null) throws NPE
1559		*/
1560		public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1561	<	ExecutorService e =
1561	>	final ExecutorService e =
1562		new ThreadPoolExecutor(2, 2,
1563		LONG_DELAY_MS, MILLISECONDS,
1564		new ArrayBlockingQueue<Runnable>(10));
1565	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1566	<	l.add(new StringTask());
1567	<	try {
1568	<	e.invokeAny(l, MEDIUM_DELAY_MS, null);
1569	<	shouldThrow();
1570	<	} catch (NullPointerException success) {
1571	<	} finally {
1688	<	joinPool(e);
1565	>	try (PoolCleaner cleaner = cleaner(e)) {
1566	>	List<Callable<String>> l = new ArrayList<>();
1567	>	l.add(new StringTask());
1568	>	try {
1569	>	e.invokeAny(l, randomTimeout(), null);
1570	>	shouldThrow();
1571	>	} catch (NullPointerException success) {}
1572		}
1573		}
1574
1575		/**
1576	<	* timed invokeAny(empty collection) throws IAE
1576	>	* timed invokeAny(empty collection) throws IllegalArgumentException
1577		*/
1578		public void testTimedInvokeAny2() throws Exception {
1579	<	ExecutorService e =
1579	>	final ExecutorService e =
1580		new ThreadPoolExecutor(2, 2,
1581		LONG_DELAY_MS, MILLISECONDS,
1582		new ArrayBlockingQueue<Runnable>(10));
1583	<	try {
1584	<	e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1585	<	shouldThrow();
1586	<	} catch (IllegalArgumentException success) {
1587	<	} finally {
1588	<	joinPool(e);
1583	>	try (PoolCleaner cleaner = cleaner(e)) {
1584	>	try {
1585	>	e.invokeAny(new ArrayList<Callable<String>>(),
1586	>	randomTimeout(), randomTimeUnit());
1587	>	shouldThrow();
1588	>	} catch (IllegalArgumentException success) {}
1589		}
1590		}
1591
1592		/**
1593	<	* timed invokeAny(c) throws NPE if c has null elements
1593	>	* timed invokeAny(c) throws NullPointerException if c has null elements
1594		*/
1595		public void testTimedInvokeAny3() throws Exception {
1596		final CountDownLatch latch = new CountDownLatch(1);
#	Line 1715 | Line 1598 | public class ThreadPoolExecutorTest exte
1598		new ThreadPoolExecutor(2, 2,
1599		LONG_DELAY_MS, MILLISECONDS,
1600		new ArrayBlockingQueue<Runnable>(10));
1601	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1602	<	l.add(latchAwaitingStringTask(latch));
1603	<	l.add(null);
1604	<	try {
1605	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1606	<	shouldThrow();
1607	<	} catch (NullPointerException success) {
1608	<	} finally {
1601	>	try (PoolCleaner cleaner = cleaner(e)) {
1602	>	List<Callable<String>> l = new ArrayList<>();
1603	>	l.add(latchAwaitingStringTask(latch));
1604	>	l.add(null);
1605	>	try {
1606	>	e.invokeAny(l, randomTimeout(), randomTimeUnit());
1607	>	shouldThrow();
1608	>	} catch (NullPointerException success) {}
1609		latch.countDown();
1727	–	joinPool(e);
1610		}
1611		}
1612
#	Line 1732 | Line 1614 | public class ThreadPoolExecutorTest exte
1614		* timed invokeAny(c) throws ExecutionException if no task completes
1615		*/
1616		public void testTimedInvokeAny4() throws Exception {
1617	<	ExecutorService e =
1617	>	final ExecutorService e =
1618		new ThreadPoolExecutor(2, 2,
1619		LONG_DELAY_MS, MILLISECONDS,
1620		new ArrayBlockingQueue<Runnable>(10));
1621	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1622	<	l.add(new NPETask());
1623	<	try {
1624	<	e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1625	<	shouldThrow();
1626	<	} catch (ExecutionException success) {
1627	<	assertTrue(success.getCause() instanceof NullPointerException);
1628	<	} finally {
1629	<	joinPool(e);
1621	>	try (PoolCleaner cleaner = cleaner(e)) {
1622	>	long startTime = System.nanoTime();
1623	>	List<Callable<String>> l = new ArrayList<>();
1624	>	l.add(new NPETask());
1625	>	try {
1626	>	e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1627	>	shouldThrow();
1628	>	} catch (ExecutionException success) {
1629	>	assertTrue(success.getCause() instanceof NullPointerException);
1630	>	}
1631	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1632		}
1633		}
1634
#	Line 1752 | Line 1636 | public class ThreadPoolExecutorTest exte
1636		* timed invokeAny(c) returns result of some task
1637		*/
1638		public void testTimedInvokeAny5() throws Exception {
1639	<	ExecutorService e =
1639	>	final ExecutorService e =
1640		new ThreadPoolExecutor(2, 2,
1641		LONG_DELAY_MS, MILLISECONDS,
1642		new ArrayBlockingQueue<Runnable>(10));
1643	<	try {
1644	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1643	>	try (PoolCleaner cleaner = cleaner(e)) {
1644	>	long startTime = System.nanoTime();
1645	>	List<Callable<String>> l = new ArrayList<>();
1646		l.add(new StringTask());
1647		l.add(new StringTask());
1648	<	String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1648	>	String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1649		assertSame(TEST_STRING, result);
1650	<	} finally {
1766	<	joinPool(e);
1650	>	assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1651		}
1652		}
1653
#	Line 1771 | Line 1655 | public class ThreadPoolExecutorTest exte
1655		* timed invokeAll(null) throws NPE
1656		*/
1657		public void testTimedInvokeAll1() throws Exception {
1658	<	ExecutorService e =
1658	>	final ExecutorService e =
1659		new ThreadPoolExecutor(2, 2,
1660		LONG_DELAY_MS, MILLISECONDS,
1661		new ArrayBlockingQueue<Runnable>(10));
1662	<	try {
1663	<	e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1664	<	shouldThrow();
1665	<	} catch (NullPointerException success) {
1666	<	} finally {
1783	<	joinPool(e);
1662	>	try (PoolCleaner cleaner = cleaner(e)) {
1663	>	try {
1664	>	e.invokeAll(null, randomTimeout(), randomTimeUnit());
1665	>	shouldThrow();
1666	>	} catch (NullPointerException success) {}
1667		}
1668		}
1669
#	Line 1788 | Line 1671 | public class ThreadPoolExecutorTest exte
1671		* timed invokeAll(,,null) throws NPE
1672		*/
1673		public void testTimedInvokeAllNullTimeUnit() throws Exception {
1674	<	ExecutorService e =
1674	>	final ExecutorService e =
1675		new ThreadPoolExecutor(2, 2,
1676		LONG_DELAY_MS, MILLISECONDS,
1677		new ArrayBlockingQueue<Runnable>(10));
1678	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1679	<	l.add(new StringTask());
1680	<	try {
1681	<	e.invokeAll(l, MEDIUM_DELAY_MS, null);
1682	<	shouldThrow();
1683	<	} catch (NullPointerException success) {
1684	<	} finally {
1802	<	joinPool(e);
1678	>	try (PoolCleaner cleaner = cleaner(e)) {
1679	>	List<Callable<String>> l = new ArrayList<>();
1680	>	l.add(new StringTask());
1681	>	try {
1682	>	e.invokeAll(l, randomTimeout(), null);
1683	>	shouldThrow();
1684	>	} catch (NullPointerException success) {}
1685		}
1686		}
1687
1688		/**
1689	<	* timed invokeAll(empty collection) returns empty collection
1689	>	* timed invokeAll(empty collection) returns empty list
1690		*/
1691		public void testTimedInvokeAll2() throws InterruptedException {
1692	<	ExecutorService e =
1692	>	final ExecutorService e =
1693		new ThreadPoolExecutor(2, 2,
1694		LONG_DELAY_MS, MILLISECONDS,
1695		new ArrayBlockingQueue<Runnable>(10));
1696	<	try {
1697	<	List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1696	>	final Collection<Callable<String>> emptyCollection
1697	>	= Collections.emptyList();
1698	>	try (PoolCleaner cleaner = cleaner(e)) {
1699	>	List<Future<String>> r =
1700	>	e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit());
1701		assertTrue(r.isEmpty());
1817	–	} finally {
1818	–	joinPool(e);
1702		}
1703		}
1704
#	Line 1823 | Line 1706 | public class ThreadPoolExecutorTest exte
1706		* timed invokeAll(c) throws NPE if c has null elements
1707		*/
1708		public void testTimedInvokeAll3() throws Exception {
1709	<	ExecutorService e =
1709	>	final ExecutorService e =
1710		new ThreadPoolExecutor(2, 2,
1711		LONG_DELAY_MS, MILLISECONDS,
1712		new ArrayBlockingQueue<Runnable>(10));
1713	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1714	<	l.add(new StringTask());
1715	<	l.add(null);
1716	<	try {
1717	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1718	<	shouldThrow();
1719	<	} catch (NullPointerException success) {
1720	<	} finally {
1838	<	joinPool(e);
1713	>	try (PoolCleaner cleaner = cleaner(e)) {
1714	>	List<Callable<String>> l = new ArrayList<>();
1715	>	l.add(new StringTask());
1716	>	l.add(null);
1717	>	try {
1718	>	e.invokeAll(l, randomTimeout(), randomTimeUnit());
1719	>	shouldThrow();
1720	>	} catch (NullPointerException success) {}
1721		}
1722		}
1723
#	Line 1843 | Line 1725 | public class ThreadPoolExecutorTest exte
1725		* get of element of invokeAll(c) throws exception on failed task
1726		*/
1727		public void testTimedInvokeAll4() throws Exception {
1728	<	ExecutorService e =
1728	>	final ExecutorService e =
1729		new ThreadPoolExecutor(2, 2,
1730		LONG_DELAY_MS, MILLISECONDS,
1731		new ArrayBlockingQueue<Runnable>(10));
1732	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1733	<	l.add(new NPETask());
1734	<	List<Future<String>> futures =
1735	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1736	<	assertEquals(1, futures.size());
1737	<	try {
1738	<	futures.get(0).get();
1739	<	shouldThrow();
1740	<	} catch (ExecutionException success) {
1741	<	assertTrue(success.getCause() instanceof NullPointerException);
1742	<	} finally {
1743	<	joinPool(e);
1732	>	try (PoolCleaner cleaner = cleaner(e)) {
1733	>	List<Callable<String>> l = new ArrayList<>();
1734	>	l.add(new NPETask());
1735	>	List<Future<String>> futures =
1736	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1737	>	assertEquals(1, futures.size());
1738	>	try {
1739	>	futures.get(0).get();
1740	>	shouldThrow();
1741	>	} catch (ExecutionException success) {
1742	>	assertTrue(success.getCause() instanceof NullPointerException);
1743	>	}
1744		}
1745		}
1746
#	Line 1866 | Line 1748 | public class ThreadPoolExecutorTest exte
1748		* timed invokeAll(c) returns results of all completed tasks
1749		*/
1750		public void testTimedInvokeAll5() throws Exception {
1751	<	ExecutorService e =
1751	>	final ExecutorService e =
1752		new ThreadPoolExecutor(2, 2,
1753		LONG_DELAY_MS, MILLISECONDS,
1754		new ArrayBlockingQueue<Runnable>(10));
1755	<	try {
1756	<	List<Callable<String>> l = new ArrayList<Callable<String>>();
1755	>	try (PoolCleaner cleaner = cleaner(e)) {
1756	>	List<Callable<String>> l = new ArrayList<>();
1757		l.add(new StringTask());
1758		l.add(new StringTask());
1759		List<Future<String>> futures =
1760	<	e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1760	>	e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1761		assertEquals(2, futures.size());
1762		for (Future<String> future : futures)
1763		assertSame(TEST_STRING, future.get());
1882	–	} finally {
1883	–	joinPool(e);
1764		}
1765		}
1766
#	Line 1888 | Line 1768 | public class ThreadPoolExecutorTest exte
1768		* timed invokeAll(c) cancels tasks not completed by timeout
1769		*/
1770		public void testTimedInvokeAll6() throws Exception {
1771	<	ExecutorService e =
1772	<	new ThreadPoolExecutor(2, 2,
1773	<	LONG_DELAY_MS, MILLISECONDS,
1774	<	new ArrayBlockingQueue<Runnable>(10));
1775	<	try {
1776	<	for (long timeout = timeoutMillis();;) {
1771	>	for (long timeout = timeoutMillis();;) {
1772	>	final CountDownLatch done = new CountDownLatch(1);
1773	>	final Callable<String> waiter = new CheckedCallable<String>() {
1774	>	public String realCall() {
1775	>	try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1776	>	catch (InterruptedException ok) {}
1777	>	return "1"; }};
1778	>	final ExecutorService p =
1779	>	new ThreadPoolExecutor(2, 2,
1780	>	LONG_DELAY_MS, MILLISECONDS,
1781	>	new ArrayBlockingQueue<Runnable>(10));
1782	>	try (PoolCleaner cleaner = cleaner(p, done)) {
1783		List<Callable<String>> tasks = new ArrayList<>();
1784	<	tasks.add(new StringTask());
1785	<	tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1786	<	tasks.add(new StringTask());
1784	>	tasks.add(new StringTask("0"));
1785	>	tasks.add(waiter);
1786	>	tasks.add(new StringTask("2"));
1787		long startTime = System.nanoTime();
1788		List<Future<String>> futures =
1789	<	e.invokeAll(tasks, timeout, MILLISECONDS);
1789	>	p.invokeAll(tasks, timeout, MILLISECONDS);
1790		assertEquals(tasks.size(), futures.size());
1791		assertTrue(millisElapsedSince(startTime) >= timeout);
1792		for (Future future : futures)
1793		assertTrue(future.isDone());
1794		assertTrue(futures.get(1).isCancelled());
1795		try {
1796	<	assertEquals(TEST_STRING, futures.get(0).get());
1797	<	assertEquals(TEST_STRING, futures.get(2).get());
1796	>	assertEquals("0", futures.get(0).get());
1797	>	assertEquals("2", futures.get(2).get());
1798		break;
1799		} catch (CancellationException retryWithLongerTimeout) {
1800		timeout *= 2;
#	Line 1916 | Line 1802 | public class ThreadPoolExecutorTest exte
1802		fail("expected exactly one task to be cancelled");
1803		}
1804		}
1919	–	} finally {
1920	–	joinPool(e);
1805		}
1806		}
1807
#	Line 1931 | Line 1815 | public class ThreadPoolExecutorTest exte
1815		LONG_DELAY_MS, MILLISECONDS,
1816		new LinkedBlockingQueue<Runnable>(),
1817		new FailingThreadFactory());
1818	<	try {
1818	>	try (PoolCleaner cleaner = cleaner(e)) {
1819		final int TASKS = 100;
1820		final CountDownLatch done = new CountDownLatch(TASKS);
1821		for (int k = 0; k < TASKS; ++k)
#	Line 1939 | Line 1823 | public class ThreadPoolExecutorTest exte
1823		public void realRun() {
1824		done.countDown();
1825		}});
1826	<	assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1943	<	} finally {
1944	<	joinPool(e);
1826	>	await(done);
1827		}
1828		}
1829
#	Line 1953 | Line 1835 | public class ThreadPoolExecutorTest exte
1835		new ThreadPoolExecutor(2, 2,
1836		1000, MILLISECONDS,
1837		new ArrayBlockingQueue<Runnable>(10));
1838	<	assertFalse(p.allowsCoreThreadTimeOut());
1839	<	joinPool(p);
1838	>	try (PoolCleaner cleaner = cleaner(p)) {
1839	>	assertFalse(p.allowsCoreThreadTimeOut());
1840	>	}
1841		}
1842
1843		/**
#	Line 1966 | Line 1849 | public class ThreadPoolExecutorTest exte
1849		new ThreadPoolExecutor(2, 10,
1850		keepAliveTime, MILLISECONDS,
1851		new ArrayBlockingQueue<Runnable>(10));
1852	<	final CountDownLatch threadStarted = new CountDownLatch(1);
1853	<	try {
1852	>	try (PoolCleaner cleaner = cleaner(p)) {
1853	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1854		p.allowCoreThreadTimeOut(true);
1855		p.execute(new CheckedRunnable() {
1856		public void realRun() {
#	Line 1982 | Line 1865 | public class ThreadPoolExecutorTest exte
1865		Thread.yield();
1866		assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1867		assertEquals(0, p.getPoolSize());
1985	–	} finally {
1986	–	joinPool(p);
1868		}
1869		}
1870
#	Line 1996 | Line 1877 | public class ThreadPoolExecutorTest exte
1877		new ThreadPoolExecutor(2, 10,
1878		keepAliveTime, MILLISECONDS,
1879		new ArrayBlockingQueue<Runnable>(10));
1880	<	final CountDownLatch threadStarted = new CountDownLatch(1);
1881	<	try {
1880	>	try (PoolCleaner cleaner = cleaner(p)) {
1881	>	final CountDownLatch threadStarted = new CountDownLatch(1);
1882		p.allowCoreThreadTimeOut(false);
1883		p.execute(new CheckedRunnable() {
1884		public void realRun() throws InterruptedException {
#	Line 2006 | Line 1887 | public class ThreadPoolExecutorTest exte
1887		}});
1888		delay(2 * keepAliveTime);
1889		assertTrue(p.getPoolSize() >= 1);
2009	–	} finally {
2010	–	joinPool(p);
1890		}
1891		}
1892
#	Line 2026 | Line 1905 | public class ThreadPoolExecutorTest exte
1905		new ThreadPoolExecutor(1, 30,
1906		60, SECONDS,
1907		new ArrayBlockingQueue(30));
1908	<	try {
1908	>	try (PoolCleaner cleaner = cleaner(p)) {
1909		for (int i = 0; i < nTasks; ++i) {
1910		for (;;) {
1911		try {
#	Line 2037 | Line 1916 | public class ThreadPoolExecutorTest exte
1916		}
1917		}
1918		// enough time to run all tasks
1919	<	assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
1920	<	} finally {
1921	<	joinPool(p);
1919	>	await(done, nTasks * SHORT_DELAY_MS);
1920	>	}
1921	>	}
1922	>
1923	>	/**
1924	>	* get(cancelled task) throws CancellationException
1925	>	*/
1926	>	public void testGet_cancelled() throws Exception {
1927	>	final CountDownLatch done = new CountDownLatch(1);
1928	>	final ExecutorService e =
1929	>	new ThreadPoolExecutor(1, 1,
1930	>	LONG_DELAY_MS, MILLISECONDS,
1931	>	new LinkedBlockingQueue<Runnable>());
1932	>	try (PoolCleaner cleaner = cleaner(e, done)) {
1933	>	final CountDownLatch blockerStarted = new CountDownLatch(1);
1934	>	final List<Future<?>> futures = new ArrayList<>();
1935	>	for (int i = 0; i < 2; i++) {
1936	>	Runnable r = new CheckedRunnable() { public void realRun()
1937	>	throws Throwable {
1938	>	blockerStarted.countDown();
1939	>	assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
1940	>	}};
1941	>	futures.add(e.submit(r));
1942	>	}
1943	>	await(blockerStarted);
1944	>	for (Future<?> future : futures) future.cancel(false);
1945	>	for (Future<?> future : futures) {
1946	>	try {
1947	>	future.get();
1948	>	shouldThrow();
1949	>	} catch (CancellationException success) {}
1950	>	try {
1951	>	future.get(LONG_DELAY_MS, MILLISECONDS);
1952	>	shouldThrow();
1953	>	} catch (CancellationException success) {}
1954	>	assertTrue(future.isCancelled());
1955	>	assertTrue(future.isDone());
1956	>	}
1957	>	}
1958	>	}
1959	>
1960	>	/** Directly test simple ThreadPoolExecutor RejectedExecutionHandlers. */
1961	>	public void testStandardRejectedExecutionHandlers() {
1962	>	final ThreadPoolExecutor p =
1963	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
1964	>	new ArrayBlockingQueue<Runnable>(1));
1965	>	final AtomicReference<Thread> thread = new AtomicReference<>();
1966	>	final Runnable r = new Runnable() { public void run() {
1967	>	thread.set(Thread.currentThread()); }};
1968	>
1969	>	try {
1970	>	new AbortPolicy().rejectedExecution(r, p);
1971	>	shouldThrow();
1972	>	} catch (RejectedExecutionException success) {}
1973	>	assertNull(thread.get());
1974	>
1975	>	new DiscardPolicy().rejectedExecution(r, p);
1976	>	assertNull(thread.get());
1977	>
1978	>	new CallerRunsPolicy().rejectedExecution(r, p);
1979	>	assertSame(Thread.currentThread(), thread.get());
1980	>
1981	>	// check that pool was not perturbed by handlers
1982	>	assertTrue(p.getRejectedExecutionHandler() instanceof AbortPolicy);
1983	>	assertEquals(0, p.getTaskCount());
1984	>	assertTrue(p.getQueue().isEmpty());
1985	>	}
1986	>
1987	>	public void testThreadFactoryReturnsTerminatedThread_shouldThrow() {
1988	>	if (!testImplementationDetails)
1989	>	return;
1990	>
1991	>	ThreadFactory returnsTerminatedThread = runnableIgnored -> {
1992	>	Thread thread = new Thread(() -> {});
1993	>	thread.start();
1994	>	try { thread.join(); }
1995	>	catch (InterruptedException ex) { throw new Error(ex); }
1996	>	return thread;
1997	>	};
1998	>	ThreadPoolExecutor p =
1999	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
2000	>	new ArrayBlockingQueue<Runnable>(1),
2001	>	returnsTerminatedThread);
2002	>	try (PoolCleaner cleaner = cleaner(p)) {
2003	>	assertThrows(IllegalThreadStateException.class,
2004	>	() -> p.execute(() -> {}));
2005	>	}
2006	>	}
2007	>
2008	>	public void testThreadFactoryReturnsStartedThread_shouldThrow() {
2009	>	if (!testImplementationDetails)
2010	>	return;
2011	>
2012	>	CountDownLatch latch = new CountDownLatch(1);
2013	>	Runnable awaitLatch = () -> {
2014	>	try { latch.await(); }
2015	>	catch (InterruptedException ex) { throw new Error(ex); }};
2016	>	ThreadFactory returnsStartedThread = runnable -> {
2017	>	Thread thread = new Thread(awaitLatch);
2018	>	thread.start();
2019	>	return thread;
2020	>	};
2021	>	ThreadPoolExecutor p =
2022	>	new ThreadPoolExecutor(1, 1, 1, SECONDS,
2023	>	new ArrayBlockingQueue<Runnable>(1),
2024	>	returnsStartedThread);
2025	>	try (PoolCleaner cleaner = cleaner(p)) {
2026	>	assertThrows(IllegalThreadStateException.class,
2027	>	() -> p.execute(() -> {}));
2028	>	latch.countDown();
2029		}
2030		}
2031

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