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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.7 by dl, Fri Sep 26 15:33:14 2003 UTC vs.
Revision 1.100 by jsr166, Mon Oct 5 21:42:49 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
19    
44  
45 <    /**
46 <     *   execute successfully executes a runnable
47 <     */
48 <    public void testExecute() {
49 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
50 <        try {
51 <            p1.execute(new Runnable() {
52 <                    public void run() {
53 <                        try {
54 <                            Thread.sleep(SHORT_DELAY_MS);
55 <                        } catch(InterruptedException e){
56 <                            threadUnexpectedException();
57 <                        }
58 <                    }
59 <                });
60 <            Thread.sleep(SMALL_DELAY_MS);
61 <        } catch(InterruptedException e){
62 <            unexpectedException();
63 <        }
64 <        joinPool(p1);
45 >    static class ExtendedTPE extends ThreadPoolExecutor {
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50 >        public ExtendedTPE() {
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52 >        }
53 >        protected void beforeExecute(Thread t, Runnable r) {
54 >            beforeCalled.countDown();
55 >        }
56 >        protected void afterExecute(Runnable r, Throwable t) {
57 >            afterCalled.countDown();
58 >        }
59 >        protected void terminated() {
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78 >            return new Thread(r);
79 >        }
80 >    }
81 >
82 >    /**
83 >     * execute successfully executes a runnable
84 >     */
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        try (PoolCleaner cleaner = cleaner(p)) {
91 >            final CountDownLatch done = new CountDownLatch(1);
92 >            final Runnable task = new CheckedRunnable() {
93 >                public void realRun() { done.countDown(); }};
94 >            p.execute(task);
95 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96 >        }
97 >    }
98 >
99 >    /**
100 >     * getActiveCount increases but doesn't overestimate, when a
101 >     * thread becomes active
102 >     */
103 >    public void testGetActiveCount() throws InterruptedException {
104 >        final ThreadPoolExecutor p =
105 >            new ThreadPoolExecutor(2, 2,
106 >                                   LONG_DELAY_MS, MILLISECONDS,
107 >                                   new ArrayBlockingQueue<Runnable>(10));
108 >        try (PoolCleaner cleaner = cleaner(p)) {
109 >            final CountDownLatch threadStarted = new CountDownLatch(1);
110 >            final CountDownLatch done = new CountDownLatch(1);
111 >            assertEquals(0, p.getActiveCount());
112 >            p.execute(new CheckedRunnable() {
113 >                public void realRun() throws InterruptedException {
114 >                    threadStarted.countDown();
115 >                    assertEquals(1, p.getActiveCount());
116 >                    done.await();
117 >                }});
118 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119 >            assertEquals(1, p.getActiveCount());
120 >            done.countDown();
121 >        }
122 >    }
123 >
124 >    /**
125 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
126 >     */
127 >    public void testPrestartCoreThread() {
128 >        final ThreadPoolExecutor p =
129 >            new ThreadPoolExecutor(2, 6,
130 >                                   LONG_DELAY_MS, MILLISECONDS,
131 >                                   new ArrayBlockingQueue<Runnable>(10));
132 >        try (PoolCleaner cleaner = cleaner(p)) {
133 >            assertEquals(0, p.getPoolSize());
134 >            assertTrue(p.prestartCoreThread());
135 >            assertEquals(1, p.getPoolSize());
136 >            assertTrue(p.prestartCoreThread());
137 >            assertEquals(2, p.getPoolSize());
138 >            assertFalse(p.prestartCoreThread());
139 >            assertEquals(2, p.getPoolSize());
140 >            p.setCorePoolSize(4);
141 >            assertTrue(p.prestartCoreThread());
142 >            assertEquals(3, p.getPoolSize());
143 >            assertTrue(p.prestartCoreThread());
144 >            assertEquals(4, p.getPoolSize());
145 >            assertFalse(p.prestartCoreThread());
146 >            assertEquals(4, p.getPoolSize());
147 >        }
148 >    }
149 >
150 >    /**
151 >     * prestartAllCoreThreads starts all corePoolSize threads
152 >     */
153 >    public void testPrestartAllCoreThreads() {
154 >        final ThreadPoolExecutor p =
155 >            new ThreadPoolExecutor(2, 6,
156 >                                   LONG_DELAY_MS, MILLISECONDS,
157 >                                   new ArrayBlockingQueue<Runnable>(10));
158 >        try (PoolCleaner cleaner = cleaner(p)) {
159 >            assertEquals(0, p.getPoolSize());
160 >            p.prestartAllCoreThreads();
161 >            assertEquals(2, p.getPoolSize());
162 >            p.prestartAllCoreThreads();
163 >            assertEquals(2, p.getPoolSize());
164 >            p.setCorePoolSize(4);
165 >            p.prestartAllCoreThreads();
166 >            assertEquals(4, p.getPoolSize());
167 >            p.prestartAllCoreThreads();
168 >            assertEquals(4, p.getPoolSize());
169 >        }
170 >    }
171 >
172 >    /**
173 >     * getCompletedTaskCount increases, but doesn't overestimate,
174 >     * when tasks complete
175 >     */
176 >    public void testGetCompletedTaskCount() throws InterruptedException {
177 >        final ThreadPoolExecutor p =
178 >            new ThreadPoolExecutor(2, 2,
179 >                                   LONG_DELAY_MS, MILLISECONDS,
180 >                                   new ArrayBlockingQueue<Runnable>(10));
181 >        try (PoolCleaner cleaner = cleaner(p)) {
182 >            final CountDownLatch threadStarted = new CountDownLatch(1);
183 >            final CountDownLatch threadProceed = new CountDownLatch(1);
184 >            final CountDownLatch threadDone = new CountDownLatch(1);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            p.execute(new CheckedRunnable() {
187 >                public void realRun() throws InterruptedException {
188 >                    threadStarted.countDown();
189 >                    assertEquals(0, p.getCompletedTaskCount());
190 >                    threadProceed.await();
191 >                    threadDone.countDown();
192 >                }});
193 >            await(threadStarted);
194 >            assertEquals(0, p.getCompletedTaskCount());
195 >            threadProceed.countDown();
196 >            threadDone.await();
197 >            long startTime = System.nanoTime();
198 >            while (p.getCompletedTaskCount() != 1) {
199 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200 >                    fail("timed out");
201 >                Thread.yield();
202 >            }
203 >        }
204      }
205  
206      /**
207 <     *  getActiveCount increases but doesn't overestimate, when a
45 <     *  thread becomes active
207 >     * getCorePoolSize returns size given in constructor if not otherwise set
208       */
209 <    public void testGetActiveCount() {
210 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211 <        assertEquals(0, p2.getActiveCount());
212 <        p2.execute(new MediumRunnable());
213 <        try {
214 <            Thread.sleep(SHORT_DELAY_MS);
215 <        } catch(Exception e){
54 <            unexpectedException();
209 >    public void testGetCorePoolSize() {
210 >        final ThreadPoolExecutor p =
211 >            new ThreadPoolExecutor(1, 1,
212 >                                   LONG_DELAY_MS, MILLISECONDS,
213 >                                   new ArrayBlockingQueue<Runnable>(10));
214 >        try (PoolCleaner cleaner = cleaner(p)) {
215 >            assertEquals(1, p.getCorePoolSize());
216          }
56        assertEquals(1, p2.getActiveCount());
57        joinPool(p2);
217      }
218 <    
218 >
219      /**
220 <     *   getCompletedTaskCount increases, but doesn't overestimate,
62 <     *   when tasks complete
220 >     * getKeepAliveTime returns value given in constructor if not otherwise set
221       */
222 <    public void testGetCompletedTaskCount() {
223 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224 <        assertEquals(0, p2.getCompletedTaskCount());
225 <        p2.execute(new ShortRunnable());
226 <        try {
227 <            Thread.sleep(MEDIUM_DELAY_MS);
228 <        } catch(Exception e){
71 <            unexpectedException();
222 >    public void testGetKeepAliveTime() {
223 >        final ThreadPoolExecutor p =
224 >            new ThreadPoolExecutor(2, 2,
225 >                                   1000, MILLISECONDS,
226 >                                   new ArrayBlockingQueue<Runnable>(10));
227 >        try (PoolCleaner cleaner = cleaner(p)) {
228 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
229          }
73        assertEquals(1, p2.getCompletedTaskCount());
74        p2.shutdown();
75        joinPool(p2);
230      }
231 <    
231 >
232      /**
233 <     *   getCorePoolSize returns size given in constructor if not otherwise set
233 >     * getThreadFactory returns factory in constructor if not set
234       */
235 <    public void testGetCorePoolSize() {
236 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237 <        assertEquals(1, p1.getCorePoolSize());
238 <        joinPool(p1);
235 >    public void testGetThreadFactory() {
236 >        ThreadFactory threadFactory = new SimpleThreadFactory();
237 >        final ThreadPoolExecutor p =
238 >            new ThreadPoolExecutor(1, 2,
239 >                                   LONG_DELAY_MS, MILLISECONDS,
240 >                                   new ArrayBlockingQueue<Runnable>(10),
241 >                                   threadFactory,
242 >                                   new NoOpREHandler());
243 >        try (PoolCleaner cleaner = cleaner(p)) {
244 >            assertSame(threadFactory, p.getThreadFactory());
245 >        }
246      }
247 <    
247 >
248      /**
249 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
249 >     * setThreadFactory sets the thread factory returned by getThreadFactory
250       */
251 <    public void testGetKeepAliveTime() {
252 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
254 <        joinPool(p2);
255 <    }
256 <    
257 <    /**
258 <     *   getLargestPoolSize increases, but doesn't overestimate, when
259 <     *   multiple threads active
260 <     */
100 <    public void testGetLargestPoolSize() {
101 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
102 <        try {
103 <            assertEquals(0, p2.getLargestPoolSize());
104 <            p2.execute(new MediumRunnable());
105 <            p2.execute(new MediumRunnable());
106 <            Thread.sleep(SHORT_DELAY_MS);
107 <            assertEquals(2, p2.getLargestPoolSize());
108 <        } catch(Exception e){
109 <            unexpectedException();
110 <        }
111 <        joinPool(p2);
251 >    public void testSetThreadFactory() {
252 >        final ThreadPoolExecutor p =
253 >            new ThreadPoolExecutor(1, 2,
254 >                                   LONG_DELAY_MS, MILLISECONDS,
255 >                                   new ArrayBlockingQueue<Runnable>(10));
256 >        try (PoolCleaner cleaner = cleaner(p)) {
257 >            ThreadFactory threadFactory = new SimpleThreadFactory();
258 >            p.setThreadFactory(threadFactory);
259 >            assertSame(threadFactory, p.getThreadFactory());
260 >        }
261      }
262 <    
262 >
263      /**
264 <     *   getMaximumPoolSize returns value given in constructor if not
116 <     *   otherwise set
264 >     * setThreadFactory(null) throws NPE
265       */
266 <    public void testGetMaximumPoolSize() {
267 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268 <        assertEquals(2, p2.getMaximumPoolSize());
269 <        joinPool(p2);
266 >    public void testSetThreadFactoryNull() {
267 >        final ThreadPoolExecutor p =
268 >            new ThreadPoolExecutor(1, 2,
269 >                                   LONG_DELAY_MS, MILLISECONDS,
270 >                                   new ArrayBlockingQueue<Runnable>(10));
271 >        try (PoolCleaner cleaner = cleaner(p)) {
272 >            try {
273 >                p.setThreadFactory(null);
274 >                shouldThrow();
275 >            } catch (NullPointerException success) {}
276 >        }
277      }
278 <    
278 >
279      /**
280 <     *   getPoolSize increases, but doesn't overestimate, when threads
126 <     *   become active
280 >     * getRejectedExecutionHandler returns handler in constructor if not set
281       */
282 <    public void testGetPoolSize() {
283 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
284 <        assertEquals(0, p1.getPoolSize());
285 <        p1.execute(new MediumRunnable());
286 <        assertEquals(1, p1.getPoolSize());
287 <        joinPool(p1);
282 >    public void testGetRejectedExecutionHandler() {
283 >        final RejectedExecutionHandler handler = new NoOpREHandler();
284 >        final ThreadPoolExecutor p =
285 >            new ThreadPoolExecutor(1, 2,
286 >                                   LONG_DELAY_MS, MILLISECONDS,
287 >                                   new ArrayBlockingQueue<Runnable>(10),
288 >                                   handler);
289 >        try (PoolCleaner cleaner = cleaner(p)) {
290 >            assertSame(handler, p.getRejectedExecutionHandler());
291 >        }
292      }
293 <    
293 >
294      /**
295 <     *   getTaskCount increases, but doesn't overestimate, when tasks submitted
295 >     * setRejectedExecutionHandler sets the handler returned by
296 >     * getRejectedExecutionHandler
297       */
298 <    public void testGetTaskCount() {
299 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300 <        try {
301 <            assertEquals(0, p1.getTaskCount());
302 <            p1.execute(new MediumRunnable());
303 <            Thread.sleep(SHORT_DELAY_MS);
304 <            assertEquals(1, p1.getTaskCount());
305 <        } catch(Exception e){
306 <            unexpectedException();
307 <        }
149 <        joinPool(p1);
298 >    public void testSetRejectedExecutionHandler() {
299 >        final ThreadPoolExecutor p =
300 >            new ThreadPoolExecutor(1, 2,
301 >                                   LONG_DELAY_MS, MILLISECONDS,
302 >                                   new ArrayBlockingQueue<Runnable>(10));
303 >        try (PoolCleaner cleaner = cleaner(p)) {
304 >            RejectedExecutionHandler handler = new NoOpREHandler();
305 >            p.setRejectedExecutionHandler(handler);
306 >            assertSame(handler, p.getRejectedExecutionHandler());
307 >        }
308      }
309 <    
309 >
310      /**
311 <     *   isShutDown is false before shutdown, true after
311 >     * setRejectedExecutionHandler(null) throws NPE
312       */
313 <    public void testIsShutdown() {
314 <        
315 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
316 <        assertFalse(p1.isShutdown());
317 <        p1.shutdown();
318 <        assertTrue(p1.isShutdown());
319 <        joinPool(p1);
313 >    public void testSetRejectedExecutionHandlerNull() {
314 >        final ThreadPoolExecutor p =
315 >            new ThreadPoolExecutor(1, 2,
316 >                                   LONG_DELAY_MS, MILLISECONDS,
317 >                                   new ArrayBlockingQueue<Runnable>(10));
318 >        try (PoolCleaner cleaner = cleaner(p)) {
319 >            try {
320 >                p.setRejectedExecutionHandler(null);
321 >                shouldThrow();
322 >            } catch (NullPointerException success) {}
323 >        }
324      }
325  
164        
326      /**
327 <     *  isTerminated is false before termination, true after
327 >     * getLargestPoolSize increases, but doesn't overestimate, when
328 >     * multiple threads active
329       */
330 <    public void testIsTerminated() {
331 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332 <        assertFalse(p1.isTerminated());
333 <        try {
334 <            p1.execute(new MediumRunnable());
335 <        } finally {
336 <            p1.shutdown();
330 >    public void testGetLargestPoolSize() throws InterruptedException {
331 >        final int THREADS = 3;
332 >        final ThreadPoolExecutor p =
333 >            new ThreadPoolExecutor(THREADS, THREADS,
334 >                                   LONG_DELAY_MS, MILLISECONDS,
335 >                                   new ArrayBlockingQueue<Runnable>(10));
336 >        try (PoolCleaner cleaner = cleaner(p)) {
337 >            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338 >            final CountDownLatch done = new CountDownLatch(1);
339 >            assertEquals(0, p.getLargestPoolSize());
340 >            for (int i = 0; i < THREADS; i++)
341 >                p.execute(new CheckedRunnable() {
342 >                    public void realRun() throws InterruptedException {
343 >                        threadsStarted.countDown();
344 >                        done.await();
345 >                        assertEquals(THREADS, p.getLargestPoolSize());
346 >                    }});
347 >            assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348 >            assertEquals(THREADS, p.getLargestPoolSize());
349 >            done.countDown();   // release pool
350          }
351 <        try {
177 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
178 <            assertTrue(p1.isTerminated());
179 <        } catch(Exception e){
180 <            unexpectedException();
181 <        }      
351 >        assertEquals(THREADS, p.getLargestPoolSize());
352      }
353  
354      /**
355 <     *  isTerminating is not true when running or when terminated
355 >     * getMaximumPoolSize returns value given in constructor if not
356 >     * otherwise set
357       */
358 <    public void testIsTerminating() {
359 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360 <        assertFalse(p1.isTerminating());
361 <        try {
362 <            p1.execute(new SmallRunnable());
363 <            assertFalse(p1.isTerminating());
364 <        } finally {
365 <            p1.shutdown();
358 >    public void testGetMaximumPoolSize() {
359 >        final ThreadPoolExecutor p =
360 >            new ThreadPoolExecutor(2, 3,
361 >                                   LONG_DELAY_MS, MILLISECONDS,
362 >                                   new ArrayBlockingQueue<Runnable>(10));
363 >        try (PoolCleaner cleaner = cleaner(p)) {
364 >            assertEquals(3, p.getMaximumPoolSize());
365 >            p.setMaximumPoolSize(5);
366 >            assertEquals(5, p.getMaximumPoolSize());
367 >            p.setMaximumPoolSize(4);
368 >            assertEquals(4, p.getMaximumPoolSize());
369 >        }
370 >    }
371 >
372 >    /**
373 >     * getPoolSize increases, but doesn't overestimate, when threads
374 >     * become active
375 >     */
376 >    public void testGetPoolSize() throws InterruptedException {
377 >        final ThreadPoolExecutor p =
378 >            new ThreadPoolExecutor(1, 1,
379 >                                   LONG_DELAY_MS, MILLISECONDS,
380 >                                   new ArrayBlockingQueue<Runnable>(10));
381 >        try (PoolCleaner cleaner = cleaner(p)) {
382 >            final CountDownLatch threadStarted = new CountDownLatch(1);
383 >            final CountDownLatch done = new CountDownLatch(1);
384 >            assertEquals(0, p.getPoolSize());
385 >            p.execute(new CheckedRunnable() {
386 >                public void realRun() throws InterruptedException {
387 >                    threadStarted.countDown();
388 >                    assertEquals(1, p.getPoolSize());
389 >                    done.await();
390 >                }});
391 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392 >            assertEquals(1, p.getPoolSize());
393 >            done.countDown();   // release pool
394 >        }
395 >    }
396 >
397 >    /**
398 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
399 >     */
400 >    public void testGetTaskCount() throws InterruptedException {
401 >        final int TASKS = 3;
402 >        final CountDownLatch done = new CountDownLatch(1);
403 >        final ThreadPoolExecutor p =
404 >            new ThreadPoolExecutor(1, 1,
405 >                                   LONG_DELAY_MS, MILLISECONDS,
406 >                                   new ArrayBlockingQueue<Runnable>(10));
407 >        try (PoolCleaner cleaner = cleaner(p, done)) {
408 >            final CountDownLatch threadStarted = new CountDownLatch(1);
409 >            assertEquals(0, p.getTaskCount());
410 >            assertEquals(0, p.getCompletedTaskCount());
411 >            p.execute(new CheckedRunnable() {
412 >                public void realRun() throws InterruptedException {
413 >                    threadStarted.countDown();
414 >                    done.await();
415 >                }});
416 >            assertTrue(threadStarted.await(LONG_DELAY_MS, MILLISECONDS));
417 >            assertEquals(1, p.getTaskCount());
418 >            assertEquals(0, p.getCompletedTaskCount());
419 >            for (int i = 0; i < TASKS; i++) {
420 >                assertEquals(1 + i, p.getTaskCount());
421 >                p.execute(new CheckedRunnable() {
422 >                    public void realRun() throws InterruptedException {
423 >                        threadStarted.countDown();
424 >                        assertEquals(1 + TASKS, p.getTaskCount());
425 >                        done.await();
426 >                    }});
427 >            }
428 >            assertEquals(1 + TASKS, p.getTaskCount());
429 >            assertEquals(0, p.getCompletedTaskCount());
430          }
431 <        try {
432 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
198 <            assertTrue(p1.isTerminated());
199 <            assertFalse(p1.isTerminating());
200 <        } catch(Exception e){
201 <            unexpectedException();
202 <        }      
431 >        assertEquals(1 + TASKS, p.getTaskCount());
432 >        assertEquals(1 + TASKS, p.getCompletedTaskCount());
433      }
434  
435      /**
436 <     *   purge removes cancelled tasks from the queue
436 >     * isShutdown is false before shutdown, true after
437       */
438 <    public void testPurge() {
439 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
440 <        CancellableTask[] tasks = new CancellableTask[5];
441 <        for(int i = 0; i < 5; i++){
442 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
443 <            p1.execute(tasks[i]);
438 >    public void testIsShutdown() {
439 >        final ThreadPoolExecutor p =
440 >            new ThreadPoolExecutor(1, 1,
441 >                                   LONG_DELAY_MS, MILLISECONDS,
442 >                                   new ArrayBlockingQueue<Runnable>(10));
443 >        try (PoolCleaner cleaner = cleaner(p)) {
444 >            assertFalse(p.isShutdown());
445 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
446 >            assertTrue(p.isShutdown());
447 >        }
448 >    }
449 >
450 >    /**
451 >     * awaitTermination on a non-shutdown pool times out
452 >     */
453 >    public void testAwaitTermination_timesOut() throws InterruptedException {
454 >        final ThreadPoolExecutor p =
455 >            new ThreadPoolExecutor(1, 1,
456 >                                   LONG_DELAY_MS, MILLISECONDS,
457 >                                   new ArrayBlockingQueue<Runnable>(10));
458 >        try (PoolCleaner cleaner = cleaner(p)) {
459 >            assertFalse(p.isTerminated());
460 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
461 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
462 >            assertFalse(p.awaitTermination(-1L, NANOSECONDS));
463 >            assertFalse(p.awaitTermination(-1L, MILLISECONDS));
464 >            assertFalse(p.awaitTermination(0L, NANOSECONDS));
465 >            assertFalse(p.awaitTermination(0L, MILLISECONDS));
466 >            long timeoutNanos = 999999L;
467 >            long startTime = System.nanoTime();
468 >            assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
469 >            assertTrue(System.nanoTime() - startTime >= timeoutNanos);
470 >            assertFalse(p.isTerminated());
471 >            startTime = System.nanoTime();
472 >            long timeoutMillis = timeoutMillis();
473 >            assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
474 >            assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
475 >            assertFalse(p.isTerminated());
476 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
477 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
478 >            assertTrue(p.isTerminated());
479 >        }
480 >    }
481 >
482 >    /**
483 >     * isTerminated is false before termination, true after
484 >     */
485 >    public void testIsTerminated() throws InterruptedException {
486 >        final ThreadPoolExecutor p =
487 >            new ThreadPoolExecutor(1, 1,
488 >                                   LONG_DELAY_MS, MILLISECONDS,
489 >                                   new ArrayBlockingQueue<Runnable>(10));
490 >        try (PoolCleaner cleaner = cleaner(p)) {
491 >            final CountDownLatch threadStarted = new CountDownLatch(1);
492 >            final CountDownLatch done = new CountDownLatch(1);
493 >            assertFalse(p.isTerminating());
494 >            p.execute(new CheckedRunnable() {
495 >                public void realRun() throws InterruptedException {
496 >                    assertFalse(p.isTerminating());
497 >                    threadStarted.countDown();
498 >                    done.await();
499 >                }});
500 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
501 >            assertFalse(p.isTerminating());
502 >            done.countDown();
503 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
504 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
505 >            assertTrue(p.isTerminated());
506 >            assertFalse(p.isTerminating());
507 >        }
508 >    }
509 >
510 >    /**
511 >     * isTerminating is not true when running or when terminated
512 >     */
513 >    public void testIsTerminating() throws InterruptedException {
514 >        final ThreadPoolExecutor p =
515 >            new ThreadPoolExecutor(1, 1,
516 >                                   LONG_DELAY_MS, MILLISECONDS,
517 >                                   new ArrayBlockingQueue<Runnable>(10));
518 >        try (PoolCleaner cleaner = cleaner(p)) {
519 >            final CountDownLatch threadStarted = new CountDownLatch(1);
520 >            final CountDownLatch done = new CountDownLatch(1);
521 >            assertFalse(p.isTerminating());
522 >            p.execute(new CheckedRunnable() {
523 >                public void realRun() throws InterruptedException {
524 >                    assertFalse(p.isTerminating());
525 >                    threadStarted.countDown();
526 >                    done.await();
527 >                }});
528 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
529 >            assertFalse(p.isTerminating());
530 >            done.countDown();
531 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
532 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
533 >            assertTrue(p.isTerminated());
534 >            assertFalse(p.isTerminating());
535 >        }
536 >    }
537 >
538 >    /**
539 >     * getQueue returns the work queue, which contains queued tasks
540 >     */
541 >    public void testGetQueue() throws InterruptedException {
542 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
543 >        final ThreadPoolExecutor p =
544 >            new ThreadPoolExecutor(1, 1,
545 >                                   LONG_DELAY_MS, MILLISECONDS,
546 >                                   q);
547 >        try (PoolCleaner cleaner = cleaner(p)) {
548 >            final CountDownLatch threadStarted = new CountDownLatch(1);
549 >            final CountDownLatch done = new CountDownLatch(1);
550 >            FutureTask[] tasks = new FutureTask[5];
551 >            for (int i = 0; i < tasks.length; i++) {
552 >                Callable task = new CheckedCallable<Boolean>() {
553 >                    public Boolean realCall() throws InterruptedException {
554 >                        threadStarted.countDown();
555 >                        assertSame(q, p.getQueue());
556 >                        done.await();
557 >                        return Boolean.TRUE;
558 >                    }};
559 >                tasks[i] = new FutureTask(task);
560 >                p.execute(tasks[i]);
561 >            }
562 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
563 >            assertSame(q, p.getQueue());
564 >            assertFalse(q.contains(tasks[0]));
565 >            assertTrue(q.contains(tasks[tasks.length - 1]));
566 >            assertEquals(tasks.length - 1, q.size());
567 >            done.countDown();
568          }
215        tasks[4].cancel(true);
216        tasks[3].cancel(true);
217        p1.purge();
218        long count = p1.getTaskCount();
219        assertTrue(count >= 2 && count < 5);
220        joinPool(p1);
569      }
570  
571      /**
572 <     *  shutDownNow returns a list containing tasks that were not run
573 <     */
574 <    public void testShutDownNow() {
575 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
576 <        List l;
577 <        try {
578 <            for(int i = 0; i < 5; i++)
579 <                p1.execute(new MediumPossiblyInterruptedRunnable());
572 >     * remove(task) removes queued task, and fails to remove active task
573 >     */
574 >    public void testRemove() throws InterruptedException {
575 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
576 >        final ThreadPoolExecutor p =
577 >            new ThreadPoolExecutor(1, 1,
578 >                                   LONG_DELAY_MS, MILLISECONDS,
579 >                                   q);
580 >        try (PoolCleaner cleaner = cleaner(p)) {
581 >            Runnable[] tasks = new Runnable[6];
582 >            final CountDownLatch threadStarted = new CountDownLatch(1);
583 >            final CountDownLatch done = new CountDownLatch(1);
584 >            for (int i = 0; i < tasks.length; i++) {
585 >                tasks[i] = new CheckedRunnable() {
586 >                    public void realRun() throws InterruptedException {
587 >                        threadStarted.countDown();
588 >                        done.await();
589 >                    }};
590 >                p.execute(tasks[i]);
591 >            }
592 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
593 >            assertFalse(p.remove(tasks[0]));
594 >            assertTrue(q.contains(tasks[4]));
595 >            assertTrue(q.contains(tasks[3]));
596 >            assertTrue(p.remove(tasks[4]));
597 >            assertFalse(p.remove(tasks[4]));
598 >            assertFalse(q.contains(tasks[4]));
599 >            assertTrue(q.contains(tasks[3]));
600 >            assertTrue(p.remove(tasks[3]));
601 >            assertFalse(q.contains(tasks[3]));
602 >            done.countDown();
603          }
604 <        finally {
605 <            l = p1.shutdownNow();
604 >    }
605 >
606 >    /**
607 >     * purge removes cancelled tasks from the queue
608 >     */
609 >    public void testPurge() throws InterruptedException {
610 >        final CountDownLatch threadStarted = new CountDownLatch(1);
611 >        final CountDownLatch done = new CountDownLatch(1);
612 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
613 >        final ThreadPoolExecutor p =
614 >            new ThreadPoolExecutor(1, 1,
615 >                                   LONG_DELAY_MS, MILLISECONDS,
616 >                                   q);
617 >        try (PoolCleaner cleaner = cleaner(p)) {
618 >            FutureTask[] tasks = new FutureTask[5];
619 >            for (int i = 0; i < tasks.length; i++) {
620 >                Callable task = new CheckedCallable<Boolean>() {
621 >                    public Boolean realCall() throws InterruptedException {
622 >                        threadStarted.countDown();
623 >                        done.await();
624 >                        return Boolean.TRUE;
625 >                    }};
626 >                tasks[i] = new FutureTask(task);
627 >                p.execute(tasks[i]);
628 >            }
629 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
630 >            assertEquals(tasks.length, p.getTaskCount());
631 >            assertEquals(tasks.length - 1, q.size());
632 >            assertEquals(1L, p.getActiveCount());
633 >            assertEquals(0L, p.getCompletedTaskCount());
634 >            tasks[4].cancel(true);
635 >            tasks[3].cancel(false);
636 >            p.purge();
637 >            assertEquals(tasks.length - 3, q.size());
638 >            assertEquals(tasks.length - 2, p.getTaskCount());
639 >            p.purge();         // Nothing to do
640 >            assertEquals(tasks.length - 3, q.size());
641 >            assertEquals(tasks.length - 2, p.getTaskCount());
642 >            done.countDown();
643          }
644 <        assertTrue(p1.isShutdown());
645 <        assertTrue(l.size() <= 4);
644 >    }
645 >
646 >    /**
647 >     * shutdownNow returns a list containing tasks that were not run,
648 >     * and those tasks are drained from the queue
649 >     */
650 >    public void testShutdownNow() throws InterruptedException {
651 >        final int poolSize = 2;
652 >        final int count = 5;
653 >        final AtomicInteger ran = new AtomicInteger(0);
654 >        final ThreadPoolExecutor p =
655 >            new ThreadPoolExecutor(poolSize, poolSize,
656 >                                   LONG_DELAY_MS, MILLISECONDS,
657 >                                   new ArrayBlockingQueue<Runnable>(10));
658 >        final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
659 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
660 >            threadsStarted.countDown();
661 >            try {
662 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
663 >            } catch (InterruptedException success) {}
664 >            ran.getAndIncrement();
665 >        }};
666 >        for (int i = 0; i < count; i++)
667 >            p.execute(waiter);
668 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
669 >        assertEquals(poolSize, p.getActiveCount());
670 >        assertEquals(0, p.getCompletedTaskCount());
671 >        final List<Runnable> queuedTasks;
672 >        try {
673 >            queuedTasks = p.shutdownNow();
674 >        } catch (SecurityException ok) {
675 >            return; // Allowed in case test doesn't have privs
676 >        }
677 >        assertTrue(p.isShutdown());
678 >        assertTrue(p.getQueue().isEmpty());
679 >        assertEquals(count - poolSize, queuedTasks.size());
680 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
681 >        assertTrue(p.isTerminated());
682 >        assertEquals(poolSize, ran.get());
683 >        assertEquals(poolSize, p.getCompletedTaskCount());
684      }
685  
686      // Exception Tests
241    
687  
688 <    /**
689 <     * Constructor throws if corePoolSize argument is less than zero
688 >    /**
689 >     * Constructor throws if corePoolSize argument is less than zero
690       */
691      public void testConstructor1() {
692          try {
693 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
693 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
694 >                                   new ArrayBlockingQueue<Runnable>(10));
695              shouldThrow();
696 <        }
251 <        catch (IllegalArgumentException success){}
696 >        } catch (IllegalArgumentException success) {}
697      }
698 <    
699 <    /**
700 <     * Constructor throws if maximumPoolSize is less than zero
698 >
699 >    /**
700 >     * Constructor throws if maximumPoolSize is less than zero
701       */
702      public void testConstructor2() {
703          try {
704 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
704 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
705 >                                   new ArrayBlockingQueue<Runnable>(10));
706              shouldThrow();
707 <        }
262 <        catch (IllegalArgumentException success){}
707 >        } catch (IllegalArgumentException success) {}
708      }
709 <    
710 <    /**
711 <     * Constructor throws if maximumPoolSize is equal to zero
709 >
710 >    /**
711 >     * Constructor throws if maximumPoolSize is equal to zero
712       */
713      public void testConstructor3() {
714          try {
715 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
715 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
716 >                                   new ArrayBlockingQueue<Runnable>(10));
717              shouldThrow();
718 <        }
273 <        catch (IllegalArgumentException success){}
718 >        } catch (IllegalArgumentException success) {}
719      }
720  
721 <    /**
722 <     * Constructor throws if keepAliveTime is less than zero
721 >    /**
722 >     * Constructor throws if keepAliveTime is less than zero
723       */
724      public void testConstructor4() {
725          try {
726 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
726 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
727 >                                   new ArrayBlockingQueue<Runnable>(10));
728              shouldThrow();
729 <        }
284 <        catch (IllegalArgumentException success){}
729 >        } catch (IllegalArgumentException success) {}
730      }
731  
732 <    /**
733 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
732 >    /**
733 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
734       */
735      public void testConstructor5() {
736          try {
737 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
737 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
738 >                                   new ArrayBlockingQueue<Runnable>(10));
739              shouldThrow();
740 <        }
295 <        catch (IllegalArgumentException success){}
740 >        } catch (IllegalArgumentException success) {}
741      }
742 <        
743 <    /**
744 <     * Constructor throws if workQueue is set to null
742 >
743 >    /**
744 >     * Constructor throws if workQueue is set to null
745       */
746 <    public void testNullPointerException() {
746 >    public void testConstructorNullPointerException() {
747          try {
748 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
748 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
749 >                                   (BlockingQueue) null);
750              shouldThrow();
751 <        }
306 <        catch (NullPointerException success){}  
751 >        } catch (NullPointerException success) {}
752      }
308    
753  
754 <    
755 <    /**
312 <     * Constructor throws if corePoolSize argument is less than zero
754 >    /**
755 >     * Constructor throws if corePoolSize argument is less than zero
756       */
757      public void testConstructor6() {
758          try {
759 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
759 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
760 >                                   new ArrayBlockingQueue<Runnable>(10),
761 >                                   new SimpleThreadFactory());
762              shouldThrow();
763 <        } catch (IllegalArgumentException success){}
763 >        } catch (IllegalArgumentException success) {}
764      }
765 <    
766 <    /**
767 <     * Constructor throws if maximumPoolSize is less than zero
765 >
766 >    /**
767 >     * Constructor throws if maximumPoolSize is less than zero
768       */
769      public void testConstructor7() {
770          try {
771 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
771 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
772 >                                   new ArrayBlockingQueue<Runnable>(10),
773 >                                   new SimpleThreadFactory());
774              shouldThrow();
775 <        }
329 <        catch (IllegalArgumentException success){}
775 >        } catch (IllegalArgumentException success) {}
776      }
777  
778 <    /**
779 <     * Constructor throws if maximumPoolSize is equal to zero
778 >    /**
779 >     * Constructor throws if maximumPoolSize is equal to zero
780       */
781      public void testConstructor8() {
782          try {
783 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
783 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
784 >                                   new ArrayBlockingQueue<Runnable>(10),
785 >                                   new SimpleThreadFactory());
786              shouldThrow();
787 <        }
340 <        catch (IllegalArgumentException success){}
787 >        } catch (IllegalArgumentException success) {}
788      }
789  
790 <    /**
791 <     * Constructor throws if keepAliveTime is less than zero
790 >    /**
791 >     * Constructor throws if keepAliveTime is less than zero
792       */
793      public void testConstructor9() {
794          try {
795 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
795 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
796 >                                   new ArrayBlockingQueue<Runnable>(10),
797 >                                   new SimpleThreadFactory());
798              shouldThrow();
799 <        }
351 <        catch (IllegalArgumentException success){}
799 >        } catch (IllegalArgumentException success) {}
800      }
801  
802 <    /**
803 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
802 >    /**
803 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
804       */
805      public void testConstructor10() {
806          try {
807 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
807 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
808 >                                   new ArrayBlockingQueue<Runnable>(10),
809 >                                   new SimpleThreadFactory());
810              shouldThrow();
811 <        }
362 <        catch (IllegalArgumentException success){}
811 >        } catch (IllegalArgumentException success) {}
812      }
813  
814 <    /**
815 <     * Constructor throws if workQueue is set to null
814 >    /**
815 >     * Constructor throws if workQueue is set to null
816       */
817 <    public void testNullPointerException2() {
817 >    public void testConstructorNullPointerException2() {
818          try {
819 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
819 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
820 >                                   (BlockingQueue) null,
821 >                                   new SimpleThreadFactory());
822              shouldThrow();
823 <        }
373 <        catch (NullPointerException success){}  
823 >        } catch (NullPointerException success) {}
824      }
825  
826 <    /**
827 <     * Constructor throws if threadFactory is set to null
826 >    /**
827 >     * Constructor throws if threadFactory is set to null
828       */
829 <    public void testNullPointerException3() {
829 >    public void testConstructorNullPointerException3() {
830          try {
831 <            ThreadFactory f = null;
832 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
831 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
832 >                                   new ArrayBlockingQueue<Runnable>(10),
833 >                                   (ThreadFactory) null);
834              shouldThrow();
835 <        }
385 <        catch (NullPointerException success){}  
835 >        } catch (NullPointerException success) {}
836      }
837 <
838 <    
839 <    /**
390 <     * Constructor throws if corePoolSize argument is less than zero
837 >
838 >    /**
839 >     * Constructor throws if corePoolSize argument is less than zero
840       */
841      public void testConstructor11() {
842          try {
843 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
843 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
844 >                                   new ArrayBlockingQueue<Runnable>(10),
845 >                                   new NoOpREHandler());
846              shouldThrow();
847 <        }
397 <        catch (IllegalArgumentException success){}
847 >        } catch (IllegalArgumentException success) {}
848      }
849  
850 <    /**
851 <     * Constructor throws if maximumPoolSize is less than zero
850 >    /**
851 >     * Constructor throws if maximumPoolSize is less than zero
852       */
853      public void testConstructor12() {
854          try {
855 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
855 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
856 >                                   new ArrayBlockingQueue<Runnable>(10),
857 >                                   new NoOpREHandler());
858              shouldThrow();
859 <        }
408 <        catch (IllegalArgumentException success){}
859 >        } catch (IllegalArgumentException success) {}
860      }
861  
862 <    /**
863 <     * Constructor throws if maximumPoolSize is equal to zero
862 >    /**
863 >     * Constructor throws if maximumPoolSize is equal to zero
864       */
865      public void testConstructor13() {
866          try {
867 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
867 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
868 >                                   new ArrayBlockingQueue<Runnable>(10),
869 >                                   new NoOpREHandler());
870              shouldThrow();
871 <        }
419 <        catch (IllegalArgumentException success){}
871 >        } catch (IllegalArgumentException success) {}
872      }
873  
874 <    /**
875 <     * Constructor throws if keepAliveTime is less than zero
874 >    /**
875 >     * Constructor throws if keepAliveTime is less than zero
876       */
877      public void testConstructor14() {
878          try {
879 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
879 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
880 >                                   new ArrayBlockingQueue<Runnable>(10),
881 >                                   new NoOpREHandler());
882              shouldThrow();
883 <        }
430 <        catch (IllegalArgumentException success){}
883 >        } catch (IllegalArgumentException success) {}
884      }
885  
886 <    /**
887 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
886 >    /**
887 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
888       */
889      public void testConstructor15() {
890          try {
891 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
891 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
892 >                                   new ArrayBlockingQueue<Runnable>(10),
893 >                                   new NoOpREHandler());
894              shouldThrow();
895 <        }
441 <        catch (IllegalArgumentException success){}
895 >        } catch (IllegalArgumentException success) {}
896      }
897  
898 <    /**
899 <     * Constructor throws if workQueue is set to null
898 >    /**
899 >     * Constructor throws if workQueue is set to null
900       */
901 <    public void testNullPointerException4() {
901 >    public void testConstructorNullPointerException4() {
902          try {
903 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
903 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
904 >                                   (BlockingQueue) null,
905 >                                   new NoOpREHandler());
906              shouldThrow();
907 <        }
452 <        catch (NullPointerException success){}  
907 >        } catch (NullPointerException success) {}
908      }
909  
910 <    /**
911 <     * Constructor throws if handler is set to null
910 >    /**
911 >     * Constructor throws if handler is set to null
912       */
913 <    public void testNullPointerException5() {
913 >    public void testConstructorNullPointerException5() {
914          try {
915 <            RejectedExecutionHandler r = null;
916 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
915 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
916 >                                   new ArrayBlockingQueue<Runnable>(10),
917 >                                   (RejectedExecutionHandler) null);
918              shouldThrow();
919 <        }
464 <        catch (NullPointerException success){}  
919 >        } catch (NullPointerException success) {}
920      }
921  
922 <    
923 <    /**
469 <     * Constructor throws if corePoolSize argument is less than zero
922 >    /**
923 >     * Constructor throws if corePoolSize argument is less than zero
924       */
925      public void testConstructor16() {
926          try {
927 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
927 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
928 >                                   new ArrayBlockingQueue<Runnable>(10),
929 >                                   new SimpleThreadFactory(),
930 >                                   new NoOpREHandler());
931              shouldThrow();
932 <        }
476 <        catch (IllegalArgumentException success){}
932 >        } catch (IllegalArgumentException success) {}
933      }
934  
935 <    /**
936 <     * Constructor throws if maximumPoolSize is less than zero
935 >    /**
936 >     * Constructor throws if maximumPoolSize is less than zero
937       */
938      public void testConstructor17() {
939          try {
940 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
940 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
941 >                                   new ArrayBlockingQueue<Runnable>(10),
942 >                                   new SimpleThreadFactory(),
943 >                                   new NoOpREHandler());
944              shouldThrow();
945 <        }
487 <        catch (IllegalArgumentException success){}
945 >        } catch (IllegalArgumentException success) {}
946      }
947  
948 <    /**
949 <     * Constructor throws if maximumPoolSize is equal to zero
948 >    /**
949 >     * Constructor throws if maximumPoolSize is equal to zero
950       */
951      public void testConstructor18() {
952          try {
953 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
953 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
954 >                                   new ArrayBlockingQueue<Runnable>(10),
955 >                                   new SimpleThreadFactory(),
956 >                                   new NoOpREHandler());
957              shouldThrow();
958 <        }
498 <        catch (IllegalArgumentException success){}
958 >        } catch (IllegalArgumentException success) {}
959      }
960  
961 <    /**
962 <     * Constructor throws if keepAliveTime is less than zero
961 >    /**
962 >     * Constructor throws if keepAliveTime is less than zero
963       */
964      public void testConstructor19() {
965          try {
966 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
966 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
967 >                                   new ArrayBlockingQueue<Runnable>(10),
968 >                                   new SimpleThreadFactory(),
969 >                                   new NoOpREHandler());
970              shouldThrow();
971 <        }
509 <        catch (IllegalArgumentException success){}
971 >        } catch (IllegalArgumentException success) {}
972      }
973  
974 <    /**
975 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
974 >    /**
975 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
976       */
977      public void testConstructor20() {
978          try {
979 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
979 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
980 >                                   new ArrayBlockingQueue<Runnable>(10),
981 >                                   new SimpleThreadFactory(),
982 >                                   new NoOpREHandler());
983              shouldThrow();
984 <        }
520 <        catch (IllegalArgumentException success){}
984 >        } catch (IllegalArgumentException success) {}
985      }
986  
987 <    /**
988 <     * Constructor throws if workQueue is set to null
987 >    /**
988 >     * Constructor throws if workQueue is null
989       */
990 <    public void testNullPointerException6() {
990 >    public void testConstructorNullPointerException6() {
991          try {
992 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
992 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
993 >                                   (BlockingQueue) null,
994 >                                   new SimpleThreadFactory(),
995 >                                   new NoOpREHandler());
996              shouldThrow();
997 <        }
531 <        catch (NullPointerException success){}  
997 >        } catch (NullPointerException success) {}
998      }
999  
1000 <    /**
1001 <     * Constructor throws if handler is set to null
1000 >    /**
1001 >     * Constructor throws if handler is null
1002       */
1003 <    public void testNullPointerException7() {
1003 >    public void testConstructorNullPointerException7() {
1004          try {
1005 <            RejectedExecutionHandler r = null;
1006 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1005 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1006 >                                   new ArrayBlockingQueue<Runnable>(10),
1007 >                                   new SimpleThreadFactory(),
1008 >                                   (RejectedExecutionHandler) null);
1009              shouldThrow();
1010 <        }
543 <        catch (NullPointerException success){}  
1010 >        } catch (NullPointerException success) {}
1011      }
1012  
1013 <    /**
1014 <     * Constructor throws if ThreadFactory is set top null
1013 >    /**
1014 >     * Constructor throws if ThreadFactory is null
1015       */
1016 <    public void testNullPointerException8() {
1016 >    public void testConstructorNullPointerException8() {
1017          try {
1018 <            ThreadFactory f = null;
1019 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1018 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1019 >                                   new ArrayBlockingQueue<Runnable>(10),
1020 >                                   (ThreadFactory) null,
1021 >                                   new NoOpREHandler());
1022              shouldThrow();
1023 <        }
555 <        catch (NullPointerException successdn8){}  
1023 >        } catch (NullPointerException success) {}
1024      }
557    
1025  
1026      /**
1027 <     *  execute throws RejectedExecutionException if shutdown
1027 >     * get of submitted callable throws InterruptedException if interrupted
1028       */
1029 <    public void testRejectedExecutionException() {
1030 <        ThreadPoolExecutor tpe = null;
1031 <        try {
1032 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1033 <        } catch(Exception e){}
1034 <        tpe.shutdown();
1035 <        try {
1036 <            tpe.execute(new NoOpRunnable());
1037 <            shouldThrow();
1038 <        } catch(RejectedExecutionException success){}
1039 <        
1040 <        joinPool(tpe);
1029 >    public void testInterruptedSubmit() throws InterruptedException {
1030 >        final ThreadPoolExecutor p =
1031 >            new ThreadPoolExecutor(1, 1,
1032 >                                   60, SECONDS,
1033 >                                   new ArrayBlockingQueue<Runnable>(10));
1034 >
1035 >        try (PoolCleaner cleaner = cleaner(p)) {
1036 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1037 >            final CountDownLatch done = new CountDownLatch(1);
1038 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1039 >                public void realRun() throws Exception {
1040 >                    Callable task = new CheckedCallable<Boolean>() {
1041 >                        public Boolean realCall() throws InterruptedException {
1042 >                            threadStarted.countDown();
1043 >                            done.await();
1044 >                            return Boolean.TRUE;
1045 >                        }};
1046 >                    p.submit(task).get();
1047 >                }});
1048 >
1049 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1050 >            t.interrupt();
1051 >            awaitTermination(t, MEDIUM_DELAY_MS);
1052 >            done.countDown();
1053 >        }
1054      }
1055  
1056      /**
1057 <     *  execute throws RejectedExecutionException
578 <     *  if saturated.
1057 >     * execute throws RejectedExecutionException if saturated.
1058       */
1059      public void testSaturatedExecute() {
1060 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1061 <        try {
1062 <            
1063 <            for(int i = 0; i < 5; ++i){
1064 <                p.execute(new MediumRunnable());
1060 >        final ThreadPoolExecutor p =
1061 >            new ThreadPoolExecutor(1, 1,
1062 >                                   LONG_DELAY_MS, MILLISECONDS,
1063 >                                   new ArrayBlockingQueue<Runnable>(1));
1064 >        try (PoolCleaner cleaner = cleaner(p)) {
1065 >            final CountDownLatch done = new CountDownLatch(1);
1066 >            Runnable task = new CheckedRunnable() {
1067 >                public void realRun() throws InterruptedException {
1068 >                    done.await();
1069 >                }};
1070 >            for (int i = 0; i < 2; ++i)
1071 >                p.execute(task);
1072 >            for (int i = 0; i < 2; ++i) {
1073 >                try {
1074 >                    p.execute(task);
1075 >                    shouldThrow();
1076 >                } catch (RejectedExecutionException success) {}
1077 >                assertTrue(p.getTaskCount() <= 2);
1078              }
1079 <            shouldThrow();
1080 <        } catch(RejectedExecutionException success){}
1081 <        joinPool(p);
1079 >            done.countDown();
1080 >        }
1081 >    }
1082 >
1083 >    /**
1084 >     * submit(runnable) throws RejectedExecutionException if saturated.
1085 >     */
1086 >    public void testSaturatedSubmitRunnable() {
1087 >        final ThreadPoolExecutor p =
1088 >            new ThreadPoolExecutor(1, 1,
1089 >                                   LONG_DELAY_MS, MILLISECONDS,
1090 >                                   new ArrayBlockingQueue<Runnable>(1));
1091 >        try (PoolCleaner cleaner = cleaner(p)) {
1092 >            final CountDownLatch done = new CountDownLatch(1);
1093 >            Runnable task = new CheckedRunnable() {
1094 >                public void realRun() throws InterruptedException {
1095 >                    done.await();
1096 >                }};
1097 >            for (int i = 0; i < 2; ++i)
1098 >                p.submit(task);
1099 >            for (int i = 0; i < 2; ++i) {
1100 >                try {
1101 >                    p.execute(task);
1102 >                    shouldThrow();
1103 >                } catch (RejectedExecutionException success) {}
1104 >                assertTrue(p.getTaskCount() <= 2);
1105 >            }
1106 >            done.countDown();
1107 >        }
1108 >    }
1109 >
1110 >    /**
1111 >     * submit(callable) throws RejectedExecutionException if saturated.
1112 >     */
1113 >    public void testSaturatedSubmitCallable() {
1114 >        final ThreadPoolExecutor p =
1115 >            new ThreadPoolExecutor(1, 1,
1116 >                                   LONG_DELAY_MS, MILLISECONDS,
1117 >                                   new ArrayBlockingQueue<Runnable>(1));
1118 >        try (PoolCleaner cleaner = cleaner(p)) {
1119 >            final CountDownLatch done = new CountDownLatch(1);
1120 >            Runnable task = new CheckedRunnable() {
1121 >                public void realRun() throws InterruptedException {
1122 >                    done.await();
1123 >                }};
1124 >            for (int i = 0; i < 2; ++i)
1125 >                p.submit(Executors.callable(task));
1126 >            for (int i = 0; i < 2; ++i) {
1127 >                try {
1128 >                    p.execute(task);
1129 >                    shouldThrow();
1130 >                } catch (RejectedExecutionException success) {}
1131 >                assertTrue(p.getTaskCount() <= 2);
1132 >            }
1133 >            done.countDown();
1134 >        }
1135 >    }
1136 >
1137 >    /**
1138 >     * executor using CallerRunsPolicy runs task if saturated.
1139 >     */
1140 >    public void testSaturatedExecute2() {
1141 >        final ThreadPoolExecutor p =
1142 >            new ThreadPoolExecutor(1, 1,
1143 >                                   LONG_DELAY_MS,
1144 >                                   MILLISECONDS,
1145 >                                   new ArrayBlockingQueue<Runnable>(1),
1146 >                                   new ThreadPoolExecutor.CallerRunsPolicy());
1147 >        try (PoolCleaner cleaner = cleaner(p)) {
1148 >            final CountDownLatch done = new CountDownLatch(1);
1149 >            Runnable blocker = new CheckedRunnable() {
1150 >                public void realRun() throws InterruptedException {
1151 >                    done.await();
1152 >                }};
1153 >            p.execute(blocker);
1154 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1155 >            for (int i = 0; i < tasks.length; i++)
1156 >                tasks[i] = new TrackedNoOpRunnable();
1157 >            for (int i = 0; i < tasks.length; i++)
1158 >                p.execute(tasks[i]);
1159 >            for (int i = 1; i < tasks.length; i++)
1160 >                assertTrue(tasks[i].done);
1161 >            assertFalse(tasks[0].done); // waiting in queue
1162 >            done.countDown();
1163 >        }
1164 >    }
1165 >
1166 >    /**
1167 >     * executor using DiscardPolicy drops task if saturated.
1168 >     */
1169 >    public void testSaturatedExecute3() {
1170 >        final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1171 >        for (int i = 0; i < tasks.length; ++i)
1172 >            tasks[i] = new TrackedNoOpRunnable();
1173 >        final ThreadPoolExecutor p =
1174 >            new ThreadPoolExecutor(1, 1,
1175 >                          LONG_DELAY_MS, MILLISECONDS,
1176 >                          new ArrayBlockingQueue<Runnable>(1),
1177 >                          new ThreadPoolExecutor.DiscardPolicy());
1178 >        try (PoolCleaner cleaner = cleaner(p)) {
1179 >            final CountDownLatch done = new CountDownLatch(1);
1180 >            p.execute(awaiter(done));
1181 >
1182 >            for (TrackedNoOpRunnable task : tasks)
1183 >                p.execute(task);
1184 >            for (int i = 1; i < tasks.length; i++)
1185 >                assertFalse(tasks[i].done);
1186 >            done.countDown();
1187 >        }
1188 >        for (int i = 1; i < tasks.length; i++)
1189 >            assertFalse(tasks[i].done);
1190 >        assertTrue(tasks[0].done); // was waiting in queue
1191 >    }
1192 >
1193 >    /**
1194 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1195 >     */
1196 >    public void testSaturatedExecute4() {
1197 >        final CountDownLatch done = new CountDownLatch(1);
1198 >        LatchAwaiter r1 = awaiter(done);
1199 >        LatchAwaiter r2 = awaiter(done);
1200 >        LatchAwaiter r3 = awaiter(done);
1201 >        final ThreadPoolExecutor p =
1202 >            new ThreadPoolExecutor(1, 1,
1203 >                                   LONG_DELAY_MS, MILLISECONDS,
1204 >                                   new ArrayBlockingQueue<Runnable>(1),
1205 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1206 >        try (PoolCleaner cleaner = cleaner(p)) {
1207 >            assertEquals(LatchAwaiter.NEW, r1.state);
1208 >            assertEquals(LatchAwaiter.NEW, r2.state);
1209 >            assertEquals(LatchAwaiter.NEW, r3.state);
1210 >            p.execute(r1);
1211 >            p.execute(r2);
1212 >            assertTrue(p.getQueue().contains(r2));
1213 >            p.execute(r3);
1214 >            assertFalse(p.getQueue().contains(r2));
1215 >            assertTrue(p.getQueue().contains(r3));
1216 >            done.countDown();
1217 >        }
1218 >        assertEquals(LatchAwaiter.DONE, r1.state);
1219 >        assertEquals(LatchAwaiter.NEW, r2.state);
1220 >        assertEquals(LatchAwaiter.DONE, r3.state);
1221 >    }
1222 >
1223 >    /**
1224 >     * execute throws RejectedExecutionException if shutdown
1225 >     */
1226 >    public void testRejectedExecutionExceptionOnShutdown() {
1227 >        final ThreadPoolExecutor p =
1228 >            new ThreadPoolExecutor(1, 1,
1229 >                                   LONG_DELAY_MS, MILLISECONDS,
1230 >                                   new ArrayBlockingQueue<Runnable>(1));
1231 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1232 >        try (PoolCleaner cleaner = cleaner(p)) {
1233 >            try {
1234 >                p.execute(new NoOpRunnable());
1235 >                shouldThrow();
1236 >            } catch (RejectedExecutionException success) {}
1237 >        }
1238 >    }
1239 >
1240 >    /**
1241 >     * execute using CallerRunsPolicy drops task on shutdown
1242 >     */
1243 >    public void testCallerRunsOnShutdown() {
1244 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1245 >        final ThreadPoolExecutor p =
1246 >            new ThreadPoolExecutor(1, 1,
1247 >                                   LONG_DELAY_MS, MILLISECONDS,
1248 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1249 >
1250 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1251 >        try (PoolCleaner cleaner = cleaner(p)) {
1252 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1253 >            p.execute(r);
1254 >            assertFalse(r.done);
1255 >        }
1256 >    }
1257 >
1258 >    /**
1259 >     * execute using DiscardPolicy drops task on shutdown
1260 >     */
1261 >    public void testDiscardOnShutdown() {
1262 >        final ThreadPoolExecutor p =
1263 >            new ThreadPoolExecutor(1, 1,
1264 >                                   LONG_DELAY_MS, MILLISECONDS,
1265 >                                   new ArrayBlockingQueue<Runnable>(1),
1266 >                                   new ThreadPoolExecutor.DiscardPolicy());
1267 >
1268 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1269 >        try (PoolCleaner cleaner = cleaner(p)) {
1270 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271 >            p.execute(r);
1272 >            assertFalse(r.done);
1273 >        }
1274 >    }
1275 >
1276 >    /**
1277 >     * execute using DiscardOldestPolicy drops task on shutdown
1278 >     */
1279 >    public void testDiscardOldestOnShutdown() {
1280 >        final ThreadPoolExecutor p =
1281 >            new ThreadPoolExecutor(1, 1,
1282 >                                   LONG_DELAY_MS, MILLISECONDS,
1283 >                                   new ArrayBlockingQueue<Runnable>(1),
1284 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1285 >
1286 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1287 >        try (PoolCleaner cleaner = cleaner(p)) {
1288 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1289 >            p.execute(r);
1290 >            assertFalse(r.done);
1291 >        }
1292      }
1293  
1294      /**
1295 <     *  execute (null) throws NPE
1295 >     * execute(null) throws NPE
1296       */
1297      public void testExecuteNull() {
1298 <        ThreadPoolExecutor tpe = null;
1299 <        try {
1300 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1301 <            tpe.execute(null);
1302 <            shouldThrow();
1303 <        } catch(NullPointerException success){}
1304 <        
1305 <        joinPool(tpe);
1298 >        final ThreadPoolExecutor p =
1299 >            new ThreadPoolExecutor(1, 2,
1300 >                                   1L, SECONDS,
1301 >                                   new ArrayBlockingQueue<Runnable>(10));
1302 >        try (PoolCleaner cleaner = cleaner(p)) {
1303 >            try {
1304 >                p.execute(null);
1305 >                shouldThrow();
1306 >            } catch (NullPointerException success) {}
1307 >        }
1308      }
1309 <    
1309 >
1310      /**
1311 <     *  setCorePoolSize of netaitev value throws IllegalArgumentException
1311 >     * setCorePoolSize of negative value throws IllegalArgumentException
1312       */
1313      public void testCorePoolSizeIllegalArgumentException() {
1314 <        ThreadPoolExecutor tpe = null;
1315 <        try {
1316 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1317 <        } catch(Exception e){}
1318 <        try {
1319 <            tpe.setCorePoolSize(-1);
1320 <            shouldThrow();
1321 <        } catch(IllegalArgumentException success){
1322 <        } finally {
1323 <            tpe.shutdown();
1324 <        }
1325 <        joinPool(tpe);
1326 <    }  
1327 <
1328 <    /**
1329 <     *  setMaximumPoolSize(int) throws IllegalArgumentException if
626 <     *  given a value less the core pool size
627 <     */  
1314 >        final ThreadPoolExecutor p =
1315 >            new ThreadPoolExecutor(1, 2,
1316 >                                   LONG_DELAY_MS, MILLISECONDS,
1317 >                                   new ArrayBlockingQueue<Runnable>(10));
1318 >        try (PoolCleaner cleaner = cleaner(p)) {
1319 >            try {
1320 >                p.setCorePoolSize(-1);
1321 >                shouldThrow();
1322 >            } catch (IllegalArgumentException success) {}
1323 >        }
1324 >    }
1325 >
1326 >    /**
1327 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1328 >     * given a value less the core pool size
1329 >     */
1330      public void testMaximumPoolSizeIllegalArgumentException() {
1331 <        ThreadPoolExecutor tpe = null;
1332 <        try {
1333 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1334 <        } catch(Exception e){}
1335 <        try {
1336 <            tpe.setMaximumPoolSize(1);
1337 <            shouldThrow();
1338 <        } catch(IllegalArgumentException success){
1339 <        } finally {
638 <            tpe.shutdown();
1331 >        final ThreadPoolExecutor p =
1332 >            new ThreadPoolExecutor(2, 3,
1333 >                                   LONG_DELAY_MS, MILLISECONDS,
1334 >                                   new ArrayBlockingQueue<Runnable>(10));
1335 >        try (PoolCleaner cleaner = cleaner(p)) {
1336 >            try {
1337 >                p.setMaximumPoolSize(1);
1338 >                shouldThrow();
1339 >            } catch (IllegalArgumentException success) {}
1340          }
640        joinPool(tpe);
1341      }
1342 <    
1342 >
1343      /**
1344 <     *  setMaximumPoolSize throws IllegalArgumentException
1345 <     *  if given a negative value
1344 >     * setMaximumPoolSize throws IllegalArgumentException
1345 >     * if given a negative value
1346       */
1347      public void testMaximumPoolSizeIllegalArgumentException2() {
1348 <        ThreadPoolExecutor tpe = null;
1349 <        try {
1350 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1351 <        } catch(Exception e){}
1352 <        try {
1353 <            tpe.setMaximumPoolSize(-1);
1354 <            shouldThrow();
1355 <        } catch(IllegalArgumentException success){
1356 <        } finally {
657 <            tpe.shutdown();
1348 >        final ThreadPoolExecutor p =
1349 >            new ThreadPoolExecutor(2, 3,
1350 >                                   LONG_DELAY_MS, MILLISECONDS,
1351 >                                   new ArrayBlockingQueue<Runnable>(10));
1352 >        try (PoolCleaner cleaner = cleaner(p)) {
1353 >            try {
1354 >                p.setMaximumPoolSize(-1);
1355 >                shouldThrow();
1356 >            } catch (IllegalArgumentException success) {}
1357          }
659        joinPool(tpe);
1358      }
661    
1359  
1360      /**
1361 <     *  setKeepAliveTime  throws IllegalArgumentException
1362 <     *  when given a negative value
1361 >     * Configuration changes that allow core pool size greater than
1362 >     * max pool size result in IllegalArgumentException.
1363 >     */
1364 >    public void testPoolSizeInvariants() {
1365 >        final ThreadPoolExecutor p =
1366 >            new ThreadPoolExecutor(1, 1,
1367 >                                   LONG_DELAY_MS, MILLISECONDS,
1368 >                                   new ArrayBlockingQueue<Runnable>(10));
1369 >        try (PoolCleaner cleaner = cleaner(p)) {
1370 >            for (int s = 1; s < 5; s++) {
1371 >                p.setMaximumPoolSize(s);
1372 >                p.setCorePoolSize(s);
1373 >                try {
1374 >                    p.setMaximumPoolSize(s - 1);
1375 >                    shouldThrow();
1376 >                } catch (IllegalArgumentException success) {}
1377 >                assertEquals(s, p.getCorePoolSize());
1378 >                assertEquals(s, p.getMaximumPoolSize());
1379 >                try {
1380 >                    p.setCorePoolSize(s + 1);
1381 >                    shouldThrow();
1382 >                } catch (IllegalArgumentException success) {}
1383 >                assertEquals(s, p.getCorePoolSize());
1384 >                assertEquals(s, p.getMaximumPoolSize());
1385 >            }
1386 >        }
1387 >    }
1388 >
1389 >    /**
1390 >     * setKeepAliveTime throws IllegalArgumentException
1391 >     * when given a negative value
1392       */
1393      public void testKeepAliveTimeIllegalArgumentException() {
1394 <        ThreadPoolExecutor tpe = null;
1395 <        try {
1396 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1397 <        } catch(Exception e){}
1398 <        
1399 <        try {
1400 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1401 <            shouldThrow();
1402 <        } catch(IllegalArgumentException success){
1403 <        } finally {
1404 <            tpe.shutdown();
1394 >        final ThreadPoolExecutor p =
1395 >            new ThreadPoolExecutor(2, 3,
1396 >                                   LONG_DELAY_MS, MILLISECONDS,
1397 >                                   new ArrayBlockingQueue<Runnable>(10));
1398 >        try (PoolCleaner cleaner = cleaner(p)) {
1399 >            try {
1400 >                p.setKeepAliveTime(-1, MILLISECONDS);
1401 >                shouldThrow();
1402 >            } catch (IllegalArgumentException success) {}
1403 >        }
1404 >    }
1405 >
1406 >    /**
1407 >     * terminated() is called on termination
1408 >     */
1409 >    public void testTerminated() {
1410 >        ExtendedTPE p = new ExtendedTPE();
1411 >        try (PoolCleaner cleaner = cleaner(p)) {
1412 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1413 >            assertTrue(p.terminatedCalled());
1414 >            assertTrue(p.isShutdown());
1415 >        }
1416 >    }
1417 >
1418 >    /**
1419 >     * beforeExecute and afterExecute are called when executing task
1420 >     */
1421 >    public void testBeforeAfter() throws InterruptedException {
1422 >        ExtendedTPE p = new ExtendedTPE();
1423 >        try (PoolCleaner cleaner = cleaner(p)) {
1424 >            final CountDownLatch done = new CountDownLatch(1);
1425 >            p.execute(new CheckedRunnable() {
1426 >                public void realRun() {
1427 >                    done.countDown();
1428 >                }});
1429 >            await(p.afterCalled);
1430 >            assertEquals(0, done.getCount());
1431 >            assertTrue(p.afterCalled());
1432 >            assertTrue(p.beforeCalled());
1433          }
680        joinPool(tpe);
1434      }
1435 <  
1435 >
1436 >    /**
1437 >     * completed submit of callable returns result
1438 >     */
1439 >    public void testSubmitCallable() throws Exception {
1440 >        final ExecutorService e =
1441 >            new ThreadPoolExecutor(2, 2,
1442 >                                   LONG_DELAY_MS, MILLISECONDS,
1443 >                                   new ArrayBlockingQueue<Runnable>(10));
1444 >        try (PoolCleaner cleaner = cleaner(e)) {
1445 >            Future<String> future = e.submit(new StringTask());
1446 >            String result = future.get();
1447 >            assertSame(TEST_STRING, result);
1448 >        }
1449 >    }
1450 >
1451 >    /**
1452 >     * completed submit of runnable returns successfully
1453 >     */
1454 >    public void testSubmitRunnable() throws Exception {
1455 >        final ExecutorService e =
1456 >            new ThreadPoolExecutor(2, 2,
1457 >                                   LONG_DELAY_MS, MILLISECONDS,
1458 >                                   new ArrayBlockingQueue<Runnable>(10));
1459 >        try (PoolCleaner cleaner = cleaner(e)) {
1460 >            Future<?> future = e.submit(new NoOpRunnable());
1461 >            future.get();
1462 >            assertTrue(future.isDone());
1463 >        }
1464 >    }
1465 >
1466 >    /**
1467 >     * completed submit of (runnable, result) returns result
1468 >     */
1469 >    public void testSubmitRunnable2() throws Exception {
1470 >        final ExecutorService e =
1471 >            new ThreadPoolExecutor(2, 2,
1472 >                                   LONG_DELAY_MS, MILLISECONDS,
1473 >                                   new ArrayBlockingQueue<Runnable>(10));
1474 >        try (PoolCleaner cleaner = cleaner(e)) {
1475 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1476 >            String result = future.get();
1477 >            assertSame(TEST_STRING, result);
1478 >        }
1479 >    }
1480 >
1481 >    /**
1482 >     * invokeAny(null) throws NPE
1483 >     */
1484 >    public void testInvokeAny1() throws Exception {
1485 >        final ExecutorService e =
1486 >            new ThreadPoolExecutor(2, 2,
1487 >                                   LONG_DELAY_MS, MILLISECONDS,
1488 >                                   new ArrayBlockingQueue<Runnable>(10));
1489 >        try (PoolCleaner cleaner = cleaner(e)) {
1490 >            try {
1491 >                e.invokeAny(null);
1492 >                shouldThrow();
1493 >            } catch (NullPointerException success) {}
1494 >        }
1495 >    }
1496 >
1497 >    /**
1498 >     * invokeAny(empty collection) throws IAE
1499 >     */
1500 >    public void testInvokeAny2() throws Exception {
1501 >        final ExecutorService e =
1502 >            new ThreadPoolExecutor(2, 2,
1503 >                                   LONG_DELAY_MS, MILLISECONDS,
1504 >                                   new ArrayBlockingQueue<Runnable>(10));
1505 >        try (PoolCleaner cleaner = cleaner(e)) {
1506 >            try {
1507 >                e.invokeAny(new ArrayList<Callable<String>>());
1508 >                shouldThrow();
1509 >            } catch (IllegalArgumentException success) {}
1510 >        }
1511 >    }
1512 >
1513 >    /**
1514 >     * invokeAny(c) throws NPE if c has null elements
1515 >     */
1516 >    public void testInvokeAny3() throws Exception {
1517 >        final CountDownLatch latch = new CountDownLatch(1);
1518 >        final ExecutorService e =
1519 >            new ThreadPoolExecutor(2, 2,
1520 >                                   LONG_DELAY_MS, MILLISECONDS,
1521 >                                   new ArrayBlockingQueue<Runnable>(10));
1522 >        try (PoolCleaner cleaner = cleaner(e)) {
1523 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1524 >            l.add(latchAwaitingStringTask(latch));
1525 >            l.add(null);
1526 >            try {
1527 >                e.invokeAny(l);
1528 >                shouldThrow();
1529 >            } catch (NullPointerException success) {}
1530 >            latch.countDown();
1531 >        }
1532 >    }
1533 >
1534 >    /**
1535 >     * invokeAny(c) throws ExecutionException if no task completes
1536 >     */
1537 >    public void testInvokeAny4() throws Exception {
1538 >        final ExecutorService e =
1539 >            new ThreadPoolExecutor(2, 2,
1540 >                                   LONG_DELAY_MS, MILLISECONDS,
1541 >                                   new ArrayBlockingQueue<Runnable>(10));
1542 >        try (PoolCleaner cleaner = cleaner(e)) {
1543 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1544 >            l.add(new NPETask());
1545 >            try {
1546 >                e.invokeAny(l);
1547 >                shouldThrow();
1548 >            } catch (ExecutionException success) {
1549 >                assertTrue(success.getCause() instanceof NullPointerException);
1550 >            }
1551 >        }
1552 >    }
1553 >
1554 >    /**
1555 >     * invokeAny(c) returns result of some task
1556 >     */
1557 >    public void testInvokeAny5() throws Exception {
1558 >        final ExecutorService e =
1559 >            new ThreadPoolExecutor(2, 2,
1560 >                                   LONG_DELAY_MS, MILLISECONDS,
1561 >                                   new ArrayBlockingQueue<Runnable>(10));
1562 >        try (PoolCleaner cleaner = cleaner(e)) {
1563 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1564 >            l.add(new StringTask());
1565 >            l.add(new StringTask());
1566 >            String result = e.invokeAny(l);
1567 >            assertSame(TEST_STRING, result);
1568 >        }
1569 >    }
1570 >
1571 >    /**
1572 >     * invokeAll(null) throws NPE
1573 >     */
1574 >    public void testInvokeAll1() throws Exception {
1575 >        final ExecutorService e =
1576 >            new ThreadPoolExecutor(2, 2,
1577 >                                   LONG_DELAY_MS, MILLISECONDS,
1578 >                                   new ArrayBlockingQueue<Runnable>(10));
1579 >        try (PoolCleaner cleaner = cleaner(e)) {
1580 >            try {
1581 >                e.invokeAll(null);
1582 >                shouldThrow();
1583 >            } catch (NullPointerException success) {}
1584 >        }
1585 >    }
1586 >
1587 >    /**
1588 >     * invokeAll(empty collection) returns empty collection
1589 >     */
1590 >    public void testInvokeAll2() throws InterruptedException {
1591 >        final ExecutorService e =
1592 >            new ThreadPoolExecutor(2, 2,
1593 >                                   LONG_DELAY_MS, MILLISECONDS,
1594 >                                   new ArrayBlockingQueue<Runnable>(10));
1595 >        try (PoolCleaner cleaner = cleaner(e)) {
1596 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1597 >            assertTrue(r.isEmpty());
1598 >        }
1599 >    }
1600 >
1601 >    /**
1602 >     * invokeAll(c) throws NPE if c has null elements
1603 >     */
1604 >    public void testInvokeAll3() throws Exception {
1605 >        final ExecutorService e =
1606 >            new ThreadPoolExecutor(2, 2,
1607 >                                   LONG_DELAY_MS, MILLISECONDS,
1608 >                                   new ArrayBlockingQueue<Runnable>(10));
1609 >        try (PoolCleaner cleaner = cleaner(e)) {
1610 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1611 >            l.add(new StringTask());
1612 >            l.add(null);
1613 >            try {
1614 >                e.invokeAll(l);
1615 >                shouldThrow();
1616 >            } catch (NullPointerException success) {}
1617 >        }
1618 >    }
1619 >
1620 >    /**
1621 >     * get of element of invokeAll(c) throws exception on failed task
1622 >     */
1623 >    public void testInvokeAll4() throws Exception {
1624 >        final ExecutorService e =
1625 >            new ThreadPoolExecutor(2, 2,
1626 >                                   LONG_DELAY_MS, MILLISECONDS,
1627 >                                   new ArrayBlockingQueue<Runnable>(10));
1628 >        try (PoolCleaner cleaner = cleaner(e)) {
1629 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1630 >            l.add(new NPETask());
1631 >            List<Future<String>> futures = e.invokeAll(l);
1632 >            assertEquals(1, futures.size());
1633 >            try {
1634 >                futures.get(0).get();
1635 >                shouldThrow();
1636 >            } catch (ExecutionException success) {
1637 >                assertTrue(success.getCause() instanceof NullPointerException);
1638 >            }
1639 >        }
1640 >    }
1641 >
1642 >    /**
1643 >     * invokeAll(c) returns results of all completed tasks
1644 >     */
1645 >    public void testInvokeAll5() throws Exception {
1646 >        final ExecutorService e =
1647 >            new ThreadPoolExecutor(2, 2,
1648 >                                   LONG_DELAY_MS, MILLISECONDS,
1649 >                                   new ArrayBlockingQueue<Runnable>(10));
1650 >        try (PoolCleaner cleaner = cleaner(e)) {
1651 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1652 >            l.add(new StringTask());
1653 >            l.add(new StringTask());
1654 >            List<Future<String>> futures = e.invokeAll(l);
1655 >            assertEquals(2, futures.size());
1656 >            for (Future<String> future : futures)
1657 >                assertSame(TEST_STRING, future.get());
1658 >        }
1659 >    }
1660 >
1661 >    /**
1662 >     * timed invokeAny(null) throws NPE
1663 >     */
1664 >    public void testTimedInvokeAny1() throws Exception {
1665 >        final ExecutorService e =
1666 >            new ThreadPoolExecutor(2, 2,
1667 >                                   LONG_DELAY_MS, MILLISECONDS,
1668 >                                   new ArrayBlockingQueue<Runnable>(10));
1669 >        try (PoolCleaner cleaner = cleaner(e)) {
1670 >            try {
1671 >                e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1672 >                shouldThrow();
1673 >            } catch (NullPointerException success) {}
1674 >        }
1675 >    }
1676 >
1677 >    /**
1678 >     * timed invokeAny(,,null) throws NPE
1679 >     */
1680 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1681 >        final ExecutorService e =
1682 >            new ThreadPoolExecutor(2, 2,
1683 >                                   LONG_DELAY_MS, MILLISECONDS,
1684 >                                   new ArrayBlockingQueue<Runnable>(10));
1685 >        try (PoolCleaner cleaner = cleaner(e)) {
1686 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1687 >            l.add(new StringTask());
1688 >            try {
1689 >                e.invokeAny(l, MEDIUM_DELAY_MS, null);
1690 >                shouldThrow();
1691 >            } catch (NullPointerException success) {}
1692 >        }
1693 >    }
1694 >
1695 >    /**
1696 >     * timed invokeAny(empty collection) throws IAE
1697 >     */
1698 >    public void testTimedInvokeAny2() throws Exception {
1699 >        final ExecutorService e =
1700 >            new ThreadPoolExecutor(2, 2,
1701 >                                   LONG_DELAY_MS, MILLISECONDS,
1702 >                                   new ArrayBlockingQueue<Runnable>(10));
1703 >        try (PoolCleaner cleaner = cleaner(e)) {
1704 >            try {
1705 >                e.invokeAny(new ArrayList<Callable<String>>(),
1706 >                            MEDIUM_DELAY_MS, MILLISECONDS);
1707 >                shouldThrow();
1708 >            } catch (IllegalArgumentException success) {}
1709 >        }
1710 >    }
1711 >
1712 >    /**
1713 >     * timed invokeAny(c) throws NPE if c has null elements
1714 >     */
1715 >    public void testTimedInvokeAny3() throws Exception {
1716 >        final CountDownLatch latch = new CountDownLatch(1);
1717 >        final ExecutorService e =
1718 >            new ThreadPoolExecutor(2, 2,
1719 >                                   LONG_DELAY_MS, MILLISECONDS,
1720 >                                   new ArrayBlockingQueue<Runnable>(10));
1721 >        try (PoolCleaner cleaner = cleaner(e)) {
1722 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1723 >            l.add(latchAwaitingStringTask(latch));
1724 >            l.add(null);
1725 >            try {
1726 >                e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1727 >                shouldThrow();
1728 >            } catch (NullPointerException success) {}
1729 >            latch.countDown();
1730 >        }
1731 >    }
1732 >
1733 >    /**
1734 >     * timed invokeAny(c) throws ExecutionException if no task completes
1735 >     */
1736 >    public void testTimedInvokeAny4() throws Exception {
1737 >        final ExecutorService e =
1738 >            new ThreadPoolExecutor(2, 2,
1739 >                                   LONG_DELAY_MS, MILLISECONDS,
1740 >                                   new ArrayBlockingQueue<Runnable>(10));
1741 >        try (PoolCleaner cleaner = cleaner(e)) {
1742 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1743 >            l.add(new NPETask());
1744 >            try {
1745 >                e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1746 >                shouldThrow();
1747 >            } catch (ExecutionException success) {
1748 >                assertTrue(success.getCause() instanceof NullPointerException);
1749 >            }
1750 >        }
1751 >    }
1752 >
1753 >    /**
1754 >     * timed invokeAny(c) returns result of some task
1755 >     */
1756 >    public void testTimedInvokeAny5() throws Exception {
1757 >        final ExecutorService e =
1758 >            new ThreadPoolExecutor(2, 2,
1759 >                                   LONG_DELAY_MS, MILLISECONDS,
1760 >                                   new ArrayBlockingQueue<Runnable>(10));
1761 >        try (PoolCleaner cleaner = cleaner(e)) {
1762 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1763 >            l.add(new StringTask());
1764 >            l.add(new StringTask());
1765 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1766 >            assertSame(TEST_STRING, result);
1767 >        }
1768 >    }
1769 >
1770 >    /**
1771 >     * timed invokeAll(null) throws NPE
1772 >     */
1773 >    public void testTimedInvokeAll1() throws Exception {
1774 >        final ExecutorService e =
1775 >            new ThreadPoolExecutor(2, 2,
1776 >                                   LONG_DELAY_MS, MILLISECONDS,
1777 >                                   new ArrayBlockingQueue<Runnable>(10));
1778 >        try (PoolCleaner cleaner = cleaner(e)) {
1779 >            try {
1780 >                e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1781 >                shouldThrow();
1782 >            } catch (NullPointerException success) {}
1783 >        }
1784 >    }
1785 >
1786 >    /**
1787 >     * timed invokeAll(,,null) throws NPE
1788 >     */
1789 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1790 >        final ExecutorService e =
1791 >            new ThreadPoolExecutor(2, 2,
1792 >                                   LONG_DELAY_MS, MILLISECONDS,
1793 >                                   new ArrayBlockingQueue<Runnable>(10));
1794 >        try (PoolCleaner cleaner = cleaner(e)) {
1795 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1796 >            l.add(new StringTask());
1797 >            try {
1798 >                e.invokeAll(l, MEDIUM_DELAY_MS, null);
1799 >                shouldThrow();
1800 >            } catch (NullPointerException success) {}
1801 >        }
1802 >    }
1803 >
1804 >    /**
1805 >     * timed invokeAll(empty collection) returns empty collection
1806 >     */
1807 >    public void testTimedInvokeAll2() throws InterruptedException {
1808 >        final ExecutorService e =
1809 >            new ThreadPoolExecutor(2, 2,
1810 >                                   LONG_DELAY_MS, MILLISECONDS,
1811 >                                   new ArrayBlockingQueue<Runnable>(10));
1812 >        try (PoolCleaner cleaner = cleaner(e)) {
1813 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1814 >                                                 MEDIUM_DELAY_MS, MILLISECONDS);
1815 >            assertTrue(r.isEmpty());
1816 >        }
1817 >    }
1818 >
1819 >    /**
1820 >     * timed invokeAll(c) throws NPE if c has null elements
1821 >     */
1822 >    public void testTimedInvokeAll3() throws Exception {
1823 >        final ExecutorService e =
1824 >            new ThreadPoolExecutor(2, 2,
1825 >                                   LONG_DELAY_MS, MILLISECONDS,
1826 >                                   new ArrayBlockingQueue<Runnable>(10));
1827 >        try (PoolCleaner cleaner = cleaner(e)) {
1828 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1829 >            l.add(new StringTask());
1830 >            l.add(null);
1831 >            try {
1832 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1833 >                shouldThrow();
1834 >            } catch (NullPointerException success) {}
1835 >        }
1836 >    }
1837 >
1838 >    /**
1839 >     * get of element of invokeAll(c) throws exception on failed task
1840 >     */
1841 >    public void testTimedInvokeAll4() throws Exception {
1842 >        final ExecutorService e =
1843 >            new ThreadPoolExecutor(2, 2,
1844 >                                   LONG_DELAY_MS, MILLISECONDS,
1845 >                                   new ArrayBlockingQueue<Runnable>(10));
1846 >        try (PoolCleaner cleaner = cleaner(e)) {
1847 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1848 >            l.add(new NPETask());
1849 >            List<Future<String>> futures =
1850 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1851 >            assertEquals(1, futures.size());
1852 >            try {
1853 >                futures.get(0).get();
1854 >                shouldThrow();
1855 >            } catch (ExecutionException success) {
1856 >                assertTrue(success.getCause() instanceof NullPointerException);
1857 >            }
1858 >        }
1859 >    }
1860 >
1861 >    /**
1862 >     * timed invokeAll(c) returns results of all completed tasks
1863 >     */
1864 >    public void testTimedInvokeAll5() throws Exception {
1865 >        final ExecutorService e =
1866 >            new ThreadPoolExecutor(2, 2,
1867 >                                   LONG_DELAY_MS, MILLISECONDS,
1868 >                                   new ArrayBlockingQueue<Runnable>(10));
1869 >        try (PoolCleaner cleaner = cleaner(e)) {
1870 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1871 >            l.add(new StringTask());
1872 >            l.add(new StringTask());
1873 >            List<Future<String>> futures =
1874 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1875 >            assertEquals(2, futures.size());
1876 >            for (Future<String> future : futures)
1877 >                assertSame(TEST_STRING, future.get());
1878 >        }
1879 >    }
1880 >
1881 >    /**
1882 >     * timed invokeAll(c) cancels tasks not completed by timeout
1883 >     */
1884 >    public void testTimedInvokeAll6() throws Exception {
1885 >        final ExecutorService e =
1886 >            new ThreadPoolExecutor(2, 2,
1887 >                                   LONG_DELAY_MS, MILLISECONDS,
1888 >                                   new ArrayBlockingQueue<Runnable>(10));
1889 >        try (PoolCleaner cleaner = cleaner(e)) {
1890 >            for (long timeout = timeoutMillis();;) {
1891 >                List<Callable<String>> tasks = new ArrayList<>();
1892 >                tasks.add(new StringTask("0"));
1893 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1894 >                tasks.add(new StringTask("2"));
1895 >                long startTime = System.nanoTime();
1896 >                List<Future<String>> futures =
1897 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1898 >                assertEquals(tasks.size(), futures.size());
1899 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1900 >                for (Future future : futures)
1901 >                    assertTrue(future.isDone());
1902 >                assertTrue(futures.get(1).isCancelled());
1903 >                try {
1904 >                    assertEquals("0", futures.get(0).get());
1905 >                    assertEquals("2", futures.get(2).get());
1906 >                    break;
1907 >                } catch (CancellationException retryWithLongerTimeout) {
1908 >                    timeout *= 2;
1909 >                    if (timeout >= LONG_DELAY_MS / 2)
1910 >                        fail("expected exactly one task to be cancelled");
1911 >                }
1912 >            }
1913 >        }
1914 >    }
1915 >
1916 >    /**
1917 >     * Execution continues if there is at least one thread even if
1918 >     * thread factory fails to create more
1919 >     */
1920 >    public void testFailingThreadFactory() throws InterruptedException {
1921 >        final ExecutorService e =
1922 >            new ThreadPoolExecutor(100, 100,
1923 >                                   LONG_DELAY_MS, MILLISECONDS,
1924 >                                   new LinkedBlockingQueue<Runnable>(),
1925 >                                   new FailingThreadFactory());
1926 >        try (PoolCleaner cleaner = cleaner(e)) {
1927 >            final int TASKS = 100;
1928 >            final CountDownLatch done = new CountDownLatch(TASKS);
1929 >            for (int k = 0; k < TASKS; ++k)
1930 >                e.execute(new CheckedRunnable() {
1931 >                    public void realRun() {
1932 >                        done.countDown();
1933 >                    }});
1934 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1935 >        }
1936 >    }
1937 >
1938 >    /**
1939 >     * allowsCoreThreadTimeOut is by default false.
1940 >     */
1941 >    public void testAllowsCoreThreadTimeOut() {
1942 >        final ThreadPoolExecutor p =
1943 >            new ThreadPoolExecutor(2, 2,
1944 >                                   1000, MILLISECONDS,
1945 >                                   new ArrayBlockingQueue<Runnable>(10));
1946 >        try (PoolCleaner cleaner = cleaner(p)) {
1947 >            assertFalse(p.allowsCoreThreadTimeOut());
1948 >        }
1949 >    }
1950 >
1951 >    /**
1952 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1953 >     */
1954 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1955 >        long keepAliveTime = timeoutMillis();
1956 >        final ThreadPoolExecutor p =
1957 >            new ThreadPoolExecutor(2, 10,
1958 >                                   keepAliveTime, MILLISECONDS,
1959 >                                   new ArrayBlockingQueue<Runnable>(10));
1960 >        try (PoolCleaner cleaner = cleaner(p)) {
1961 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1962 >            p.allowCoreThreadTimeOut(true);
1963 >            p.execute(new CheckedRunnable() {
1964 >                public void realRun() {
1965 >                    threadStarted.countDown();
1966 >                    assertEquals(1, p.getPoolSize());
1967 >                }});
1968 >            await(threadStarted);
1969 >            delay(keepAliveTime);
1970 >            long startTime = System.nanoTime();
1971 >            while (p.getPoolSize() > 0
1972 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1973 >                Thread.yield();
1974 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1975 >            assertEquals(0, p.getPoolSize());
1976 >        }
1977 >    }
1978 >
1979 >    /**
1980 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1981 >     */
1982 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1983 >        long keepAliveTime = timeoutMillis();
1984 >        final ThreadPoolExecutor p =
1985 >            new ThreadPoolExecutor(2, 10,
1986 >                                   keepAliveTime, MILLISECONDS,
1987 >                                   new ArrayBlockingQueue<Runnable>(10));
1988 >        try (PoolCleaner cleaner = cleaner(p)) {
1989 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1990 >            p.allowCoreThreadTimeOut(false);
1991 >            p.execute(new CheckedRunnable() {
1992 >                public void realRun() throws InterruptedException {
1993 >                    threadStarted.countDown();
1994 >                    assertTrue(p.getPoolSize() >= 1);
1995 >                }});
1996 >            delay(2 * keepAliveTime);
1997 >            assertTrue(p.getPoolSize() >= 1);
1998 >        }
1999 >    }
2000 >
2001 >    /**
2002 >     * execute allows the same task to be submitted multiple times, even
2003 >     * if rejected
2004 >     */
2005 >    public void testRejectedRecycledTask() throws InterruptedException {
2006 >        final int nTasks = 1000;
2007 >        final CountDownLatch done = new CountDownLatch(nTasks);
2008 >        final Runnable recycledTask = new Runnable() {
2009 >            public void run() {
2010 >                done.countDown();
2011 >            }};
2012 >        final ThreadPoolExecutor p =
2013 >            new ThreadPoolExecutor(1, 30,
2014 >                                   60, SECONDS,
2015 >                                   new ArrayBlockingQueue(30));
2016 >        try (PoolCleaner cleaner = cleaner(p)) {
2017 >            for (int i = 0; i < nTasks; ++i) {
2018 >                for (;;) {
2019 >                    try {
2020 >                        p.execute(recycledTask);
2021 >                        break;
2022 >                    }
2023 >                    catch (RejectedExecutionException ignore) {}
2024 >                }
2025 >            }
2026 >            // enough time to run all tasks
2027 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2028 >        }
2029 >    }
2030 >
2031 >    /**
2032 >     * get(cancelled task) throws CancellationException
2033 >     */
2034 >    public void testGet_cancelled() throws Exception {
2035 >        final ExecutorService e =
2036 >            new ThreadPoolExecutor(1, 1,
2037 >                                   LONG_DELAY_MS, MILLISECONDS,
2038 >                                   new LinkedBlockingQueue<Runnable>());
2039 >        try (PoolCleaner cleaner = cleaner(e)) {
2040 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2041 >            final CountDownLatch done = new CountDownLatch(1);
2042 >            final List<Future<?>> futures = new ArrayList<>();
2043 >            for (int i = 0; i < 2; i++) {
2044 >                Runnable r = new CheckedRunnable() { public void realRun()
2045 >                                                         throws Throwable {
2046 >                    blockerStarted.countDown();
2047 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2048 >                }};
2049 >                futures.add(e.submit(r));
2050 >            }
2051 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2052 >            for (Future<?> future : futures) future.cancel(false);
2053 >            for (Future<?> future : futures) {
2054 >                try {
2055 >                    future.get();
2056 >                    shouldThrow();
2057 >                } catch (CancellationException success) {}
2058 >                try {
2059 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2060 >                    shouldThrow();
2061 >                } catch (CancellationException success) {}
2062 >                assertTrue(future.isCancelled());
2063 >                assertTrue(future.isDone());
2064 >            }
2065 >            done.countDown();
2066 >        }
2067 >    }
2068 >
2069   }

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