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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 1.84 by jsr166, Sun Oct 4 02:31:15 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      }
44 <    
44 >
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 <     *   execute successfully executes a runnable
207 >     * getCorePoolSize returns size given in constructor if not otherwise set
208       */
209 <    public void testExecute() {
210 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211 <        try {
212 <            p1.execute(new Runnable() {
213 <                    public void run() {
214 <                        try {
215 <                            Thread.sleep(SHORT_DELAY_MS);
216 <                        } catch(InterruptedException e){
32 <                            threadUnexpectedException();
33 <                        }
34 <                    }
35 <                });
36 <            Thread.sleep(SMALL_DELAY_MS);
37 <        } catch(InterruptedException e){
38 <            unexpectedException();
39 <        }
40 <        joinPool(p1);
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 >        }
217      }
218  
219      /**
220 <     *  getActiveCount increases but doesn't overestimate, when a
45 <     *  thread becomes active
220 >     * getKeepAliveTime returns value given in constructor if not otherwise set
221       */
222 <    public void testGetActiveCount() {
223 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224 <        assertEquals(0, p2.getActiveCount());
225 <        p2.execute(new MediumRunnable());
226 <        try {
227 <            Thread.sleep(SHORT_DELAY_MS);
228 <        } catch(Exception e){
54 <            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          }
56        assertEquals(1, p2.getActiveCount());
57        joinPool(p2);
230      }
231 <    
231 >
232      /**
233 <     *   getCompletedTaskCount increases, but doesn't overestimate,
62 <     *   when tasks complete
233 >     * getThreadFactory returns factory in constructor if not set
234       */
235 <    public void testGetCompletedTaskCount() {
236 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
237 <        assertEquals(0, p2.getCompletedTaskCount());
238 <        p2.execute(new ShortRunnable());
239 <        try {
240 <            Thread.sleep(MEDIUM_DELAY_MS);
241 <        } catch(Exception e){
242 <            unexpectedException();
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          }
73        assertEquals(1, p2.getCompletedTaskCount());
74        p2.shutdown();
75        joinPool(p2);
246      }
247 <    
247 >
248      /**
249 <     *   getCorePoolSize returns size given in constructor if not otherwise set
249 >     * setThreadFactory sets the thread factory returned by getThreadFactory
250       */
251 <    public void testGetCorePoolSize() {
252 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253 <        assertEquals(1, p1.getCorePoolSize());
254 <        joinPool(p1);
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 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
264 >     * setThreadFactory(null) throws NPE
265       */
266 <    public void testGetKeepAliveTime() {
267 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
269 <        joinPool(p2);
270 <    }
271 <    
272 <    /**
273 <     *   getLargestPoolSize increases, but doesn't overestimate, when
274 <     *   multiple threads active
275 <     */
276 <    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);
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 <     *   getMaximumPoolSize returns value given in constructor if not
116 <     *   otherwise set
280 >     * getRejectedExecutionHandler returns handler in constructor if not set
281       */
282 <    public void testGetMaximumPoolSize() {
283 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
284 <        assertEquals(2, p2.getMaximumPoolSize());
285 <        joinPool(p2);
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 <     *   getPoolSize increases, but doesn't overestimate, when threads
296 <     *   become active
295 >     * setRejectedExecutionHandler sets the handler returned by
296 >     * getRejectedExecutionHandler
297       */
298 <    public void testGetPoolSize() {
299 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300 <        assertEquals(0, p1.getPoolSize());
301 <        p1.execute(new MediumRunnable());
302 <        assertEquals(1, p1.getPoolSize());
303 <        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 <     *   getTaskCount increases, but doesn't overestimate, when tasks submitted
311 >     * setRejectedExecutionHandler(null) throws NPE
312       */
313 <    public void testGetTaskCount() {
314 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315 <        try {
316 <            assertEquals(0, p1.getTaskCount());
317 <            p1.execute(new MediumRunnable());
318 <            Thread.sleep(SHORT_DELAY_MS);
319 <            assertEquals(1, p1.getTaskCount());
320 <        } catch(Exception e){
321 <            unexpectedException();
322 <        }
323 <        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 <    
325 >
326      /**
327 <     *   isShutDown is false before shutdown, true after
327 >     * getLargestPoolSize increases, but doesn't overestimate, when
328 >     * multiple threads active
329       */
330 <    public void testIsShutdown() {
331 <        
332 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
333 <        assertFalse(p1.isShutdown());
334 <        p1.shutdown();
335 <        assertTrue(p1.isShutdown());
336 <        joinPool(p1);
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 >        assertEquals(THREADS, p.getLargestPoolSize());
352      }
353  
164        
354      /**
355 <     *  isTerminated is false before termination, true after
355 >     * getMaximumPoolSize returns value given in constructor if not
356 >     * otherwise set
357       */
358 <    public void testIsTerminated() {
359 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360 <        assertFalse(p1.isTerminated());
361 <        try {
362 <            p1.execute(new MediumRunnable());
363 <        } finally {
364 <            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 ThreadPoolExecutor p =
402 >            new ThreadPoolExecutor(1, 1,
403 >                                   LONG_DELAY_MS, MILLISECONDS,
404 >                                   new ArrayBlockingQueue<Runnable>(10));
405 >        try (PoolCleaner cleaner = cleaner(p)) {
406 >            final CountDownLatch threadStarted = new CountDownLatch(1);
407 >            final CountDownLatch done = new CountDownLatch(1);
408 >            assertEquals(0, p.getTaskCount());
409 >            p.execute(new CheckedRunnable() {
410 >                public void realRun() throws InterruptedException {
411 >                    threadStarted.countDown();
412 >                    assertEquals(1, p.getTaskCount());
413 >                    done.await();
414 >                }});
415 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416 >            assertEquals(1, p.getTaskCount());
417 >            done.countDown();
418          }
176        try {
177            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
178            assertTrue(p1.isTerminated());
179        } catch(Exception e){
180            unexpectedException();
181        }      
419      }
420  
421      /**
422 <     *  isTerminating is not true when running or when terminated
422 >     * isShutdown is false before shutdown, true after
423       */
424 <    public void testIsTerminating() {
425 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426 <        assertFalse(p1.isTerminating());
427 <        try {
428 <            p1.execute(new SmallRunnable());
429 <            assertFalse(p1.isTerminating());
424 >    public void testIsShutdown() {
425 >        final ThreadPoolExecutor p =
426 >            new ThreadPoolExecutor(1, 1,
427 >                                   LONG_DELAY_MS, MILLISECONDS,
428 >                                   new ArrayBlockingQueue<Runnable>(10));
429 >        try (PoolCleaner cleaner = cleaner(p)) {
430 >            assertFalse(p.isShutdown());
431 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
432 >            assertTrue(p.isShutdown());
433 >        }
434 >    }
435 >
436 >    /**
437 >     * awaitTermination on a non-shutdown pool times out
438 >     */
439 >    public void testAwaitTermination_timesOut() throws InterruptedException {
440 >        final ThreadPoolExecutor p =
441 >            new ThreadPoolExecutor(1, 1,
442 >                                   LONG_DELAY_MS, MILLISECONDS,
443 >                                   new ArrayBlockingQueue<Runnable>(10));
444 >        try (PoolCleaner cleaner = cleaner(p)) {
445 >            assertFalse(p.isTerminated());
446 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448 >            assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449 >            assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450 >            assertFalse(p.awaitTermination(0L, NANOSECONDS));
451 >            assertFalse(p.awaitTermination(0L, MILLISECONDS));
452 >            long timeoutNanos = 999999L;
453 >            long startTime = System.nanoTime();
454 >            assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455 >            assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456 >            assertFalse(p.isTerminated());
457 >            startTime = System.nanoTime();
458 >            long timeoutMillis = timeoutMillis();
459 >            assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460 >            assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461 >            assertFalse(p.isTerminated());
462 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
463 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464 >            assertTrue(p.isTerminated());
465 >        }
466 >    }
467 >
468 >    /**
469 >     * isTerminated is false before termination, true after
470 >     */
471 >    public void testIsTerminated() throws InterruptedException {
472 >        final ThreadPoolExecutor p =
473 >            new ThreadPoolExecutor(1, 1,
474 >                                   LONG_DELAY_MS, MILLISECONDS,
475 >                                   new ArrayBlockingQueue<Runnable>(10));
476 >        try (PoolCleaner cleaner = cleaner(p)) {
477 >            final CountDownLatch threadStarted = new CountDownLatch(1);
478 >            final CountDownLatch done = new CountDownLatch(1);
479 >            assertFalse(p.isTerminating());
480 >            p.execute(new CheckedRunnable() {
481 >                public void realRun() throws InterruptedException {
482 >                    assertFalse(p.isTerminating());
483 >                    threadStarted.countDown();
484 >                    done.await();
485 >                }});
486 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487 >            assertFalse(p.isTerminating());
488 >            done.countDown();
489 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
490 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491 >            assertTrue(p.isTerminated());
492 >            assertFalse(p.isTerminating());
493 >        }
494 >    }
495 >
496 >    /**
497 >     * isTerminating is not true when running or when terminated
498 >     */
499 >    public void testIsTerminating() throws InterruptedException {
500 >        final ThreadPoolExecutor p =
501 >            new ThreadPoolExecutor(1, 1,
502 >                                   LONG_DELAY_MS, MILLISECONDS,
503 >                                   new ArrayBlockingQueue<Runnable>(10));
504 >        final CountDownLatch threadStarted = new CountDownLatch(1);
505 >        final CountDownLatch done = new CountDownLatch(1);
506 >        try {
507 >            assertFalse(p.isTerminating());
508 >            p.execute(new CheckedRunnable() {
509 >                public void realRun() throws InterruptedException {
510 >                    assertFalse(p.isTerminating());
511 >                    threadStarted.countDown();
512 >                    done.await();
513 >                }});
514 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515 >            assertFalse(p.isTerminating());
516 >            done.countDown();
517          } finally {
518 <            p1.shutdown();
518 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
519          }
520 <        try {
521 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
522 <            assertTrue(p1.isTerminated());
199 <            assertFalse(p1.isTerminating());
200 <        } catch(Exception e){
201 <            unexpectedException();
202 <        }      
520 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
521 >        assertTrue(p.isTerminated());
522 >        assertFalse(p.isTerminating());
523      }
524  
525      /**
526 <     *   purge removes cancelled tasks from the queue
527 <     */
528 <    public void testPurge() {
529 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
530 <        CancellableTask[] tasks = new CancellableTask[5];
531 <        for(int i = 0; i < 5; i++){
532 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
533 <            p1.execute(tasks[i]);
526 >     * getQueue returns the work queue, which contains queued tasks
527 >     */
528 >    public void testGetQueue() throws InterruptedException {
529 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
530 >        final ThreadPoolExecutor p =
531 >            new ThreadPoolExecutor(1, 1,
532 >                                   LONG_DELAY_MS, MILLISECONDS,
533 >                                   q);
534 >        final CountDownLatch threadStarted = new CountDownLatch(1);
535 >        final CountDownLatch done = new CountDownLatch(1);
536 >        try {
537 >            FutureTask[] tasks = new FutureTask[5];
538 >            for (int i = 0; i < tasks.length; i++) {
539 >                Callable task = new CheckedCallable<Boolean>() {
540 >                    public Boolean realCall() throws InterruptedException {
541 >                        threadStarted.countDown();
542 >                        assertSame(q, p.getQueue());
543 >                        done.await();
544 >                        return Boolean.TRUE;
545 >                    }};
546 >                tasks[i] = new FutureTask(task);
547 >                p.execute(tasks[i]);
548 >            }
549 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
550 >            assertSame(q, p.getQueue());
551 >            assertFalse(q.contains(tasks[0]));
552 >            assertTrue(q.contains(tasks[tasks.length - 1]));
553 >            assertEquals(tasks.length - 1, q.size());
554 >        } finally {
555 >            done.countDown();
556 >            joinPool(p);
557          }
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);
558      }
559  
560      /**
561 <     *  shutDownNow returns a list containing tasks that were not run
561 >     * remove(task) removes queued task, and fails to remove active task
562       */
563 <    public void testShutDownNow() {
564 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
565 <        List l;
566 <        try {
567 <            for(int i = 0; i < 5; i++)
568 <                p1.execute(new MediumPossiblyInterruptedRunnable());
563 >    public void testRemove() throws InterruptedException {
564 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
565 >        final ThreadPoolExecutor p =
566 >            new ThreadPoolExecutor(1, 1,
567 >                                   LONG_DELAY_MS, MILLISECONDS,
568 >                                   q);
569 >        Runnable[] tasks = new Runnable[5];
570 >        final CountDownLatch threadStarted = new CountDownLatch(1);
571 >        final CountDownLatch done = new CountDownLatch(1);
572 >        try {
573 >            for (int i = 0; i < tasks.length; i++) {
574 >                tasks[i] = new CheckedRunnable() {
575 >                    public void realRun() throws InterruptedException {
576 >                        threadStarted.countDown();
577 >                        done.await();
578 >                    }};
579 >                p.execute(tasks[i]);
580 >            }
581 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
582 >            assertFalse(p.remove(tasks[0]));
583 >            assertTrue(q.contains(tasks[4]));
584 >            assertTrue(q.contains(tasks[3]));
585 >            assertTrue(p.remove(tasks[4]));
586 >            assertFalse(p.remove(tasks[4]));
587 >            assertFalse(q.contains(tasks[4]));
588 >            assertTrue(q.contains(tasks[3]));
589 >            assertTrue(p.remove(tasks[3]));
590 >            assertFalse(q.contains(tasks[3]));
591 >        } finally {
592 >            done.countDown();
593 >            joinPool(p);
594          }
595 <        finally {
596 <            l = p1.shutdownNow();
595 >    }
596 >
597 >    /**
598 >     * purge removes cancelled tasks from the queue
599 >     */
600 >    public void testPurge() throws InterruptedException {
601 >        final CountDownLatch threadStarted = new CountDownLatch(1);
602 >        final CountDownLatch done = new CountDownLatch(1);
603 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
604 >        final ThreadPoolExecutor p =
605 >            new ThreadPoolExecutor(1, 1,
606 >                                   LONG_DELAY_MS, MILLISECONDS,
607 >                                   q);
608 >        FutureTask[] tasks = new FutureTask[5];
609 >        try {
610 >            for (int i = 0; i < tasks.length; i++) {
611 >                Callable task = new CheckedCallable<Boolean>() {
612 >                    public Boolean realCall() throws InterruptedException {
613 >                        threadStarted.countDown();
614 >                        done.await();
615 >                        return Boolean.TRUE;
616 >                    }};
617 >                tasks[i] = new FutureTask(task);
618 >                p.execute(tasks[i]);
619 >            }
620 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
621 >            assertEquals(tasks.length, p.getTaskCount());
622 >            assertEquals(tasks.length - 1, q.size());
623 >            assertEquals(1L, p.getActiveCount());
624 >            assertEquals(0L, p.getCompletedTaskCount());
625 >            tasks[4].cancel(true);
626 >            tasks[3].cancel(false);
627 >            p.purge();
628 >            assertEquals(tasks.length - 3, q.size());
629 >            assertEquals(tasks.length - 2, p.getTaskCount());
630 >            p.purge();         // Nothing to do
631 >            assertEquals(tasks.length - 3, q.size());
632 >            assertEquals(tasks.length - 2, p.getTaskCount());
633 >        } finally {
634 >            done.countDown();
635 >            joinPool(p);
636          }
637 <        assertTrue(p1.isShutdown());
638 <        assertTrue(l.size() <= 4);
637 >    }
638 >
639 >    /**
640 >     * shutdownNow returns a list containing tasks that were not run,
641 >     * and those tasks are drained from the queue
642 >     */
643 >    public void testShutdownNow() throws InterruptedException {
644 >        final int poolSize = 2;
645 >        final int count = 5;
646 >        final AtomicInteger ran = new AtomicInteger(0);
647 >        final ThreadPoolExecutor p =
648 >            new ThreadPoolExecutor(poolSize, poolSize,
649 >                                   LONG_DELAY_MS, MILLISECONDS,
650 >                                   new ArrayBlockingQueue<Runnable>(10));
651 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
652 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
653 >            threadsStarted.countDown();
654 >            try {
655 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
656 >            } catch (InterruptedException success) {}
657 >            ran.getAndIncrement();
658 >        }};
659 >        for (int i = 0; i < count; i++)
660 >            p.execute(waiter);
661 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
662 >        assertEquals(poolSize, p.getActiveCount());
663 >        assertEquals(0, p.getCompletedTaskCount());
664 >        final List<Runnable> queuedTasks;
665 >        try {
666 >            queuedTasks = p.shutdownNow();
667 >        } catch (SecurityException ok) {
668 >            return; // Allowed in case test doesn't have privs
669 >        }
670 >        assertTrue(p.isShutdown());
671 >        assertTrue(p.getQueue().isEmpty());
672 >        assertEquals(count - poolSize, queuedTasks.size());
673 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
674 >        assertTrue(p.isTerminated());
675 >        assertEquals(poolSize, ran.get());
676 >        assertEquals(poolSize, p.getCompletedTaskCount());
677      }
678  
679      // Exception Tests
241    
680  
681 <    /**
682 <     * Constructor throws if corePoolSize argument is less than zero
681 >    /**
682 >     * Constructor throws if corePoolSize argument is less than zero
683       */
684      public void testConstructor1() {
685          try {
686 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
686 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
687 >                                   new ArrayBlockingQueue<Runnable>(10));
688              shouldThrow();
689 <        }
251 <        catch (IllegalArgumentException success){}
689 >        } catch (IllegalArgumentException success) {}
690      }
691 <    
692 <    /**
693 <     * Constructor throws if maximumPoolSize is less than zero
691 >
692 >    /**
693 >     * Constructor throws if maximumPoolSize is less than zero
694       */
695      public void testConstructor2() {
696          try {
697 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
697 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
698 >                                   new ArrayBlockingQueue<Runnable>(10));
699              shouldThrow();
700 <        }
262 <        catch (IllegalArgumentException success){}
700 >        } catch (IllegalArgumentException success) {}
701      }
702 <    
703 <    /**
704 <     * Constructor throws if maximumPoolSize is equal to zero
702 >
703 >    /**
704 >     * Constructor throws if maximumPoolSize is equal to zero
705       */
706      public void testConstructor3() {
707          try {
708 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
708 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
709 >                                   new ArrayBlockingQueue<Runnable>(10));
710              shouldThrow();
711 <        }
273 <        catch (IllegalArgumentException success){}
711 >        } catch (IllegalArgumentException success) {}
712      }
713  
714 <    /**
715 <     * Constructor throws if keepAliveTime is less than zero
714 >    /**
715 >     * Constructor throws if keepAliveTime is less than zero
716       */
717      public void testConstructor4() {
718          try {
719 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
719 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
720 >                                   new ArrayBlockingQueue<Runnable>(10));
721              shouldThrow();
722 <        }
284 <        catch (IllegalArgumentException success){}
722 >        } catch (IllegalArgumentException success) {}
723      }
724  
725 <    /**
726 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
725 >    /**
726 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
727       */
728      public void testConstructor5() {
729          try {
730 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
730 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
731 >                                   new ArrayBlockingQueue<Runnable>(10));
732              shouldThrow();
733 <        }
295 <        catch (IllegalArgumentException success){}
733 >        } catch (IllegalArgumentException success) {}
734      }
735 <        
736 <    /**
737 <     * Constructor throws if workQueue is set to null
735 >
736 >    /**
737 >     * Constructor throws if workQueue is set to null
738       */
739 <    public void testNullPointerException() {
739 >    public void testConstructorNullPointerException() {
740          try {
741 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
741 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
742 >                                   (BlockingQueue) null);
743              shouldThrow();
744 <        }
306 <        catch (NullPointerException success){}  
744 >        } catch (NullPointerException success) {}
745      }
308    
746  
747 <    
748 <    /**
312 <     * Constructor throws if corePoolSize argument is less than zero
747 >    /**
748 >     * Constructor throws if corePoolSize argument is less than zero
749       */
750      public void testConstructor6() {
751          try {
752 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
752 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
753 >                                   new ArrayBlockingQueue<Runnable>(10),
754 >                                   new SimpleThreadFactory());
755              shouldThrow();
756 <        } catch (IllegalArgumentException success){}
756 >        } catch (IllegalArgumentException success) {}
757      }
758 <    
759 <    /**
760 <     * Constructor throws if maximumPoolSize is less than zero
758 >
759 >    /**
760 >     * Constructor throws if maximumPoolSize is less than zero
761       */
762      public void testConstructor7() {
763          try {
764 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
764 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
765 >                                   new ArrayBlockingQueue<Runnable>(10),
766 >                                   new SimpleThreadFactory());
767              shouldThrow();
768 <        }
329 <        catch (IllegalArgumentException success){}
768 >        } catch (IllegalArgumentException success) {}
769      }
770  
771 <    /**
772 <     * Constructor throws if maximumPoolSize is equal to zero
771 >    /**
772 >     * Constructor throws if maximumPoolSize is equal to zero
773       */
774      public void testConstructor8() {
775          try {
776 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
776 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
777 >                                   new ArrayBlockingQueue<Runnable>(10),
778 >                                   new SimpleThreadFactory());
779              shouldThrow();
780 <        }
340 <        catch (IllegalArgumentException success){}
780 >        } catch (IllegalArgumentException success) {}
781      }
782  
783 <    /**
784 <     * Constructor throws if keepAliveTime is less than zero
783 >    /**
784 >     * Constructor throws if keepAliveTime is less than zero
785       */
786      public void testConstructor9() {
787          try {
788 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
788 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
789 >                                   new ArrayBlockingQueue<Runnable>(10),
790 >                                   new SimpleThreadFactory());
791              shouldThrow();
792 <        }
351 <        catch (IllegalArgumentException success){}
792 >        } catch (IllegalArgumentException success) {}
793      }
794  
795 <    /**
796 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
795 >    /**
796 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
797       */
798      public void testConstructor10() {
799          try {
800 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
800 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
801 >                                   new ArrayBlockingQueue<Runnable>(10),
802 >                                   new SimpleThreadFactory());
803              shouldThrow();
804 <        }
362 <        catch (IllegalArgumentException success){}
804 >        } catch (IllegalArgumentException success) {}
805      }
806  
807 <    /**
808 <     * Constructor throws if workQueue is set to null
807 >    /**
808 >     * Constructor throws if workQueue is set to null
809       */
810 <    public void testNullPointerException2() {
810 >    public void testConstructorNullPointerException2() {
811          try {
812 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
812 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
813 >                                   (BlockingQueue) null,
814 >                                   new SimpleThreadFactory());
815              shouldThrow();
816 <        }
373 <        catch (NullPointerException success){}  
816 >        } catch (NullPointerException success) {}
817      }
818  
819 <    /**
820 <     * Constructor throws if threadFactory is set to null
819 >    /**
820 >     * Constructor throws if threadFactory is set to null
821       */
822 <    public void testNullPointerException3() {
822 >    public void testConstructorNullPointerException3() {
823          try {
824 <            ThreadFactory f = null;
825 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
824 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
825 >                                   new ArrayBlockingQueue<Runnable>(10),
826 >                                   (ThreadFactory) null);
827              shouldThrow();
828 <        }
385 <        catch (NullPointerException success){}  
828 >        } catch (NullPointerException success) {}
829      }
830 <
831 <    
832 <    /**
390 <     * Constructor throws if corePoolSize argument is less than zero
830 >
831 >    /**
832 >     * Constructor throws if corePoolSize argument is less than zero
833       */
834      public void testConstructor11() {
835          try {
836 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
836 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
837 >                                   new ArrayBlockingQueue<Runnable>(10),
838 >                                   new NoOpREHandler());
839              shouldThrow();
840 <        }
397 <        catch (IllegalArgumentException success){}
840 >        } catch (IllegalArgumentException success) {}
841      }
842  
843 <    /**
844 <     * Constructor throws if maximumPoolSize is less than zero
843 >    /**
844 >     * Constructor throws if maximumPoolSize is less than zero
845       */
846      public void testConstructor12() {
847          try {
848 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
848 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
849 >                                   new ArrayBlockingQueue<Runnable>(10),
850 >                                   new NoOpREHandler());
851              shouldThrow();
852 <        }
408 <        catch (IllegalArgumentException success){}
852 >        } catch (IllegalArgumentException success) {}
853      }
854  
855 <    /**
856 <     * Constructor throws if maximumPoolSize is equal to zero
855 >    /**
856 >     * Constructor throws if maximumPoolSize is equal to zero
857       */
858      public void testConstructor13() {
859          try {
860 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
860 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
861 >                                   new ArrayBlockingQueue<Runnable>(10),
862 >                                   new NoOpREHandler());
863              shouldThrow();
864 <        }
419 <        catch (IllegalArgumentException success){}
864 >        } catch (IllegalArgumentException success) {}
865      }
866  
867 <    /**
868 <     * Constructor throws if keepAliveTime is less than zero
867 >    /**
868 >     * Constructor throws if keepAliveTime is less than zero
869       */
870      public void testConstructor14() {
871          try {
872 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
872 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
873 >                                   new ArrayBlockingQueue<Runnable>(10),
874 >                                   new NoOpREHandler());
875              shouldThrow();
876 <        }
430 <        catch (IllegalArgumentException success){}
876 >        } catch (IllegalArgumentException success) {}
877      }
878  
879 <    /**
880 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
879 >    /**
880 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
881       */
882      public void testConstructor15() {
883          try {
884 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
884 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
885 >                                   new ArrayBlockingQueue<Runnable>(10),
886 >                                   new NoOpREHandler());
887 >            shouldThrow();
888 >        } catch (IllegalArgumentException success) {}
889 >    }
890 >
891 >    /**
892 >     * Constructor throws if workQueue is set to null
893 >     */
894 >    public void testConstructorNullPointerException4() {
895 >        try {
896 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
897 >                                   (BlockingQueue) null,
898 >                                   new NoOpREHandler());
899 >            shouldThrow();
900 >        } catch (NullPointerException success) {}
901 >    }
902 >
903 >    /**
904 >     * Constructor throws if handler is set to null
905 >     */
906 >    public void testConstructorNullPointerException5() {
907 >        try {
908 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
909 >                                   new ArrayBlockingQueue<Runnable>(10),
910 >                                   (RejectedExecutionHandler) null);
911 >            shouldThrow();
912 >        } catch (NullPointerException success) {}
913 >    }
914 >
915 >    /**
916 >     * Constructor throws if corePoolSize argument is less than zero
917 >     */
918 >    public void testConstructor16() {
919 >        try {
920 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
921 >                                   new ArrayBlockingQueue<Runnable>(10),
922 >                                   new SimpleThreadFactory(),
923 >                                   new NoOpREHandler());
924              shouldThrow();
925 +        } catch (IllegalArgumentException success) {}
926 +    }
927 +
928 +    /**
929 +     * Constructor throws if maximumPoolSize is less than zero
930 +     */
931 +    public void testConstructor17() {
932 +        try {
933 +            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
934 +                                   new ArrayBlockingQueue<Runnable>(10),
935 +                                   new SimpleThreadFactory(),
936 +                                   new NoOpREHandler());
937 +            shouldThrow();
938 +        } catch (IllegalArgumentException success) {}
939 +    }
940 +
941 +    /**
942 +     * Constructor throws if maximumPoolSize is equal to zero
943 +     */
944 +    public void testConstructor18() {
945 +        try {
946 +            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
947 +                                   new ArrayBlockingQueue<Runnable>(10),
948 +                                   new SimpleThreadFactory(),
949 +                                   new NoOpREHandler());
950 +            shouldThrow();
951 +        } catch (IllegalArgumentException success) {}
952 +    }
953 +
954 +    /**
955 +     * Constructor throws if keepAliveTime is less than zero
956 +     */
957 +    public void testConstructor19() {
958 +        try {
959 +            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
960 +                                   new ArrayBlockingQueue<Runnable>(10),
961 +                                   new SimpleThreadFactory(),
962 +                                   new NoOpREHandler());
963 +            shouldThrow();
964 +        } catch (IllegalArgumentException success) {}
965 +    }
966 +
967 +    /**
968 +     * Constructor throws if corePoolSize is greater than the maximumPoolSize
969 +     */
970 +    public void testConstructor20() {
971 +        try {
972 +            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
973 +                                   new ArrayBlockingQueue<Runnable>(10),
974 +                                   new SimpleThreadFactory(),
975 +                                   new NoOpREHandler());
976 +            shouldThrow();
977 +        } catch (IllegalArgumentException success) {}
978 +    }
979 +
980 +    /**
981 +     * Constructor throws if workQueue is null
982 +     */
983 +    public void testConstructorNullPointerException6() {
984 +        try {
985 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
986 +                                   (BlockingQueue) null,
987 +                                   new SimpleThreadFactory(),
988 +                                   new NoOpREHandler());
989 +            shouldThrow();
990 +        } catch (NullPointerException success) {}
991 +    }
992 +
993 +    /**
994 +     * Constructor throws if handler is null
995 +     */
996 +    public void testConstructorNullPointerException7() {
997 +        try {
998 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
999 +                                   new ArrayBlockingQueue<Runnable>(10),
1000 +                                   new SimpleThreadFactory(),
1001 +                                   (RejectedExecutionHandler) null);
1002 +            shouldThrow();
1003 +        } catch (NullPointerException success) {}
1004 +    }
1005 +
1006 +    /**
1007 +     * Constructor throws if ThreadFactory is null
1008 +     */
1009 +    public void testConstructorNullPointerException8() {
1010 +        try {
1011 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1012 +                                   new ArrayBlockingQueue<Runnable>(10),
1013 +                                   (ThreadFactory) null,
1014 +                                   new NoOpREHandler());
1015 +            shouldThrow();
1016 +        } catch (NullPointerException success) {}
1017 +    }
1018 +
1019 +    /**
1020 +     * get of submitted callable throws InterruptedException if interrupted
1021 +     */
1022 +    public void testInterruptedSubmit() throws InterruptedException {
1023 +        final ThreadPoolExecutor p =
1024 +            new ThreadPoolExecutor(1, 1,
1025 +                                   60, SECONDS,
1026 +                                   new ArrayBlockingQueue<Runnable>(10));
1027 +
1028 +        final CountDownLatch threadStarted = new CountDownLatch(1);
1029 +        final CountDownLatch done = new CountDownLatch(1);
1030 +        try {
1031 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1032 +                public void realRun() throws Exception {
1033 +                    Callable task = new CheckedCallable<Boolean>() {
1034 +                        public Boolean realCall() throws InterruptedException {
1035 +                            threadStarted.countDown();
1036 +                            done.await();
1037 +                            return Boolean.TRUE;
1038 +                        }};
1039 +                    p.submit(task).get();
1040 +                }});
1041 +
1042 +            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1043 +            t.interrupt();
1044 +            awaitTermination(t, MEDIUM_DELAY_MS);
1045 +        } finally {
1046 +            done.countDown();
1047 +            joinPool(p);
1048          }
441        catch (IllegalArgumentException success){}
1049      }
1050  
1051 <    /**
1052 <     * Constructor throws if workQueue is set to null
1051 >    /**
1052 >     * execute throws RejectedExecutionException if saturated.
1053       */
1054 <    public void testNullPointerException4() {
1054 >    public void testSaturatedExecute() {
1055 >        ThreadPoolExecutor p =
1056 >            new ThreadPoolExecutor(1, 1,
1057 >                                   LONG_DELAY_MS, MILLISECONDS,
1058 >                                   new ArrayBlockingQueue<Runnable>(1));
1059 >        final CountDownLatch done = new CountDownLatch(1);
1060 >        try {
1061 >            Runnable task = new CheckedRunnable() {
1062 >                public void realRun() throws InterruptedException {
1063 >                    done.await();
1064 >                }};
1065 >            for (int i = 0; i < 2; ++i)
1066 >                p.execute(task);
1067 >            for (int i = 0; i < 2; ++i) {
1068 >                try {
1069 >                    p.execute(task);
1070 >                    shouldThrow();
1071 >                } catch (RejectedExecutionException success) {}
1072 >                assertTrue(p.getTaskCount() <= 2);
1073 >            }
1074 >        } finally {
1075 >            done.countDown();
1076 >            joinPool(p);
1077 >        }
1078 >    }
1079 >
1080 >    /**
1081 >     * submit(runnable) throws RejectedExecutionException if saturated.
1082 >     */
1083 >    public void testSaturatedSubmitRunnable() {
1084 >        ThreadPoolExecutor p =
1085 >            new ThreadPoolExecutor(1, 1,
1086 >                                   LONG_DELAY_MS, MILLISECONDS,
1087 >                                   new ArrayBlockingQueue<Runnable>(1));
1088 >        final CountDownLatch done = new CountDownLatch(1);
1089 >        try {
1090 >            Runnable task = new CheckedRunnable() {
1091 >                public void realRun() throws InterruptedException {
1092 >                    done.await();
1093 >                }};
1094 >            for (int i = 0; i < 2; ++i)
1095 >                p.submit(task);
1096 >            for (int i = 0; i < 2; ++i) {
1097 >                try {
1098 >                    p.execute(task);
1099 >                    shouldThrow();
1100 >                } catch (RejectedExecutionException success) {}
1101 >                assertTrue(p.getTaskCount() <= 2);
1102 >            }
1103 >        } finally {
1104 >            done.countDown();
1105 >            joinPool(p);
1106 >        }
1107 >    }
1108 >
1109 >    /**
1110 >     * submit(callable) throws RejectedExecutionException if saturated.
1111 >     */
1112 >    public void testSaturatedSubmitCallable() {
1113 >        ThreadPoolExecutor p =
1114 >            new ThreadPoolExecutor(1, 1,
1115 >                                   LONG_DELAY_MS, MILLISECONDS,
1116 >                                   new ArrayBlockingQueue<Runnable>(1));
1117 >        final CountDownLatch done = new CountDownLatch(1);
1118 >        try {
1119 >            Runnable task = new CheckedRunnable() {
1120 >                public void realRun() throws InterruptedException {
1121 >                    done.await();
1122 >                }};
1123 >            for (int i = 0; i < 2; ++i)
1124 >                p.submit(Executors.callable(task));
1125 >            for (int i = 0; i < 2; ++i) {
1126 >                try {
1127 >                    p.execute(task);
1128 >                    shouldThrow();
1129 >                } catch (RejectedExecutionException success) {}
1130 >                assertTrue(p.getTaskCount() <= 2);
1131 >            }
1132 >        } finally {
1133 >            done.countDown();
1134 >            joinPool(p);
1135 >        }
1136 >    }
1137 >
1138 >    /**
1139 >     * executor using CallerRunsPolicy runs task if saturated.
1140 >     */
1141 >    public void testSaturatedExecute2() {
1142 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1143 >        final ThreadPoolExecutor p =
1144 >            new ThreadPoolExecutor(1, 1,
1145 >                                   LONG_DELAY_MS,
1146 >                                   MILLISECONDS,
1147 >                                   new ArrayBlockingQueue<Runnable>(1),
1148 >                                   h);
1149 >        try {
1150 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1151 >            for (int i = 0; i < tasks.length; ++i)
1152 >                tasks[i] = new TrackedNoOpRunnable();
1153 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1154 >            p.execute(mr);
1155 >            for (int i = 0; i < tasks.length; ++i)
1156 >                p.execute(tasks[i]);
1157 >            for (int i = 1; i < tasks.length; ++i)
1158 >                assertTrue(tasks[i].done);
1159 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1160 >        } finally {
1161 >            joinPool(p);
1162 >        }
1163 >    }
1164 >
1165 >    /**
1166 >     * executor using DiscardPolicy drops task if saturated.
1167 >     */
1168 >    public void testSaturatedExecute3() {
1169 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1170 >        final ThreadPoolExecutor p =
1171 >            new ThreadPoolExecutor(1, 1,
1172 >                                   LONG_DELAY_MS, MILLISECONDS,
1173 >                                   new ArrayBlockingQueue<Runnable>(1),
1174 >                                   h);
1175 >        try {
1176 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1177 >            for (int i = 0; i < tasks.length; ++i)
1178 >                tasks[i] = new TrackedNoOpRunnable();
1179 >            p.execute(new TrackedLongRunnable());
1180 >            for (TrackedNoOpRunnable task : tasks)
1181 >                p.execute(task);
1182 >            for (TrackedNoOpRunnable task : tasks)
1183 >                assertFalse(task.done);
1184 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1185 >        } finally {
1186 >            joinPool(p);
1187 >        }
1188 >    }
1189 >
1190 >    /**
1191 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1192 >     */
1193 >    public void testSaturatedExecute4() {
1194 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1195 >        final ThreadPoolExecutor p =
1196 >            new ThreadPoolExecutor(1, 1,
1197 >                                   LONG_DELAY_MS, MILLISECONDS,
1198 >                                   new ArrayBlockingQueue<Runnable>(1),
1199 >                                   h);
1200 >        try {
1201 >            p.execute(new TrackedLongRunnable());
1202 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1203 >            p.execute(r2);
1204 >            assertTrue(p.getQueue().contains(r2));
1205 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1206 >            p.execute(r3);
1207 >            assertFalse(p.getQueue().contains(r2));
1208 >            assertTrue(p.getQueue().contains(r3));
1209 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1210 >        } finally {
1211 >            joinPool(p);
1212 >        }
1213 >    }
1214 >
1215 >    /**
1216 >     * execute throws RejectedExecutionException if shutdown
1217 >     */
1218 >    public void testRejectedExecutionExceptionOnShutdown() {
1219 >        ThreadPoolExecutor p =
1220 >            new ThreadPoolExecutor(1, 1,
1221 >                                   LONG_DELAY_MS, MILLISECONDS,
1222 >                                   new ArrayBlockingQueue<Runnable>(1));
1223 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1224          try {
1225 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
1225 >            p.execute(new NoOpRunnable());
1226              shouldThrow();
1227 +        } catch (RejectedExecutionException success) {}
1228 +
1229 +        joinPool(p);
1230 +    }
1231 +
1232 +    /**
1233 +     * execute using CallerRunsPolicy drops task on shutdown
1234 +     */
1235 +    public void testCallerRunsOnShutdown() {
1236 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1237 +        final ThreadPoolExecutor p =
1238 +            new ThreadPoolExecutor(1, 1,
1239 +                                   LONG_DELAY_MS, MILLISECONDS,
1240 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1241 +
1242 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1243 +        try {
1244 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1245 +            p.execute(r);
1246 +            assertFalse(r.done);
1247 +        } finally {
1248 +            joinPool(p);
1249          }
452        catch (NullPointerException success){}  
1250      }
1251  
1252 <    /**
1253 <     * Constructor throws if handler is set to null
1252 >    /**
1253 >     * execute using DiscardPolicy drops task on shutdown
1254 >     */
1255 >    public void testDiscardOnShutdown() {
1256 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1257 >        ThreadPoolExecutor p =
1258 >            new ThreadPoolExecutor(1, 1,
1259 >                                   LONG_DELAY_MS, MILLISECONDS,
1260 >                                   new ArrayBlockingQueue<Runnable>(1),
1261 >                                   h);
1262 >
1263 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1264 >        try {
1265 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1266 >            p.execute(r);
1267 >            assertFalse(r.done);
1268 >        } finally {
1269 >            joinPool(p);
1270 >        }
1271 >    }
1272 >
1273 >    /**
1274 >     * execute using DiscardOldestPolicy drops task on shutdown
1275       */
1276 <    public void testNullPointerException5() {
1276 >    public void testDiscardOldestOnShutdown() {
1277 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1278 >        ThreadPoolExecutor p =
1279 >            new ThreadPoolExecutor(1, 1,
1280 >                                   LONG_DELAY_MS, MILLISECONDS,
1281 >                                   new ArrayBlockingQueue<Runnable>(1),
1282 >                                   h);
1283 >
1284 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1285          try {
1286 <            RejectedExecutionHandler r = null;
1287 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1286 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1287 >            p.execute(r);
1288 >            assertFalse(r.done);
1289 >        } finally {
1290 >            joinPool(p);
1291 >        }
1292 >    }
1293 >
1294 >    /**
1295 >     * execute(null) throws NPE
1296 >     */
1297 >    public void testExecuteNull() {
1298 >        ThreadPoolExecutor p =
1299 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1300 >                                   new ArrayBlockingQueue<Runnable>(10));
1301 >        try {
1302 >            p.execute(null);
1303              shouldThrow();
1304 +        } catch (NullPointerException success) {}
1305 +
1306 +        joinPool(p);
1307 +    }
1308 +
1309 +    /**
1310 +     * setCorePoolSize of negative value throws IllegalArgumentException
1311 +     */
1312 +    public void testCorePoolSizeIllegalArgumentException() {
1313 +        ThreadPoolExecutor p =
1314 +            new ThreadPoolExecutor(1, 2,
1315 +                                   LONG_DELAY_MS, MILLISECONDS,
1316 +                                   new ArrayBlockingQueue<Runnable>(10));
1317 +        try {
1318 +            p.setCorePoolSize(-1);
1319 +            shouldThrow();
1320 +        } catch (IllegalArgumentException success) {
1321 +        } finally {
1322 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1323          }
1324 <        catch (NullPointerException success){}  
1324 >        joinPool(p);
1325      }
1326  
1327 <    
1328 <    /**
1329 <     * Constructor throws if corePoolSize argument is less than zero
1327 >    /**
1328 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1329 >     * given a value less the core pool size
1330       */
1331 <    public void testConstructor16() {
1331 >    public void testMaximumPoolSizeIllegalArgumentException() {
1332 >        ThreadPoolExecutor p =
1333 >            new ThreadPoolExecutor(2, 3,
1334 >                                   LONG_DELAY_MS, MILLISECONDS,
1335 >                                   new ArrayBlockingQueue<Runnable>(10));
1336          try {
1337 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1337 >            p.setMaximumPoolSize(1);
1338              shouldThrow();
1339 +        } catch (IllegalArgumentException success) {
1340 +        } finally {
1341 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1342          }
1343 <        catch (IllegalArgumentException success){}
1343 >        joinPool(p);
1344      }
1345  
1346 <    /**
1347 <     * Constructor throws if maximumPoolSize is less than zero
1346 >    /**
1347 >     * setMaximumPoolSize throws IllegalArgumentException
1348 >     * if given a negative value
1349       */
1350 <    public void testConstructor17() {
1350 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1351 >        ThreadPoolExecutor p =
1352 >            new ThreadPoolExecutor(2, 3,
1353 >                                   LONG_DELAY_MS, MILLISECONDS,
1354 >                                   new ArrayBlockingQueue<Runnable>(10));
1355          try {
1356 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1356 >            p.setMaximumPoolSize(-1);
1357              shouldThrow();
1358 +        } catch (IllegalArgumentException success) {
1359 +        } finally {
1360 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1361          }
1362 <        catch (IllegalArgumentException success){}
1362 >        joinPool(p);
1363      }
1364  
1365 <    /**
1366 <     * Constructor throws if maximumPoolSize is equal to zero
1365 >    /**
1366 >     * Configuration changes that allow core pool size greater than
1367 >     * max pool size result in IllegalArgumentException.
1368       */
1369 <    public void testConstructor18() {
1369 >    public void testPoolSizeInvariants() {
1370 >        ThreadPoolExecutor p =
1371 >            new ThreadPoolExecutor(1, 1,
1372 >                                   LONG_DELAY_MS, MILLISECONDS,
1373 >                                   new ArrayBlockingQueue<Runnable>(10));
1374 >        for (int s = 1; s < 5; s++) {
1375 >            p.setMaximumPoolSize(s);
1376 >            p.setCorePoolSize(s);
1377 >            try {
1378 >                p.setMaximumPoolSize(s - 1);
1379 >                shouldThrow();
1380 >            } catch (IllegalArgumentException success) {}
1381 >            assertEquals(s, p.getCorePoolSize());
1382 >            assertEquals(s, p.getMaximumPoolSize());
1383 >            try {
1384 >                p.setCorePoolSize(s + 1);
1385 >                shouldThrow();
1386 >            } catch (IllegalArgumentException success) {}
1387 >            assertEquals(s, p.getCorePoolSize());
1388 >            assertEquals(s, p.getMaximumPoolSize());
1389 >        }
1390 >        joinPool(p);
1391 >    }
1392 >
1393 >    /**
1394 >     * setKeepAliveTime throws IllegalArgumentException
1395 >     * when given a negative value
1396 >     */
1397 >    public void testKeepAliveTimeIllegalArgumentException() {
1398 >        ThreadPoolExecutor p =
1399 >            new ThreadPoolExecutor(2, 3,
1400 >                                   LONG_DELAY_MS, MILLISECONDS,
1401 >                                   new ArrayBlockingQueue<Runnable>(10));
1402          try {
1403 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1403 >            p.setKeepAliveTime(-1,MILLISECONDS);
1404              shouldThrow();
1405 +        } catch (IllegalArgumentException success) {
1406 +        } finally {
1407 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1408          }
1409 <        catch (IllegalArgumentException success){}
1409 >        joinPool(p);
1410      }
1411  
1412 <    /**
1413 <     * Constructor throws if keepAliveTime is less than zero
1412 >    /**
1413 >     * terminated() is called on termination
1414       */
1415 <    public void testConstructor19() {
1415 >    public void testTerminated() {
1416 >        ExtendedTPE p = new ExtendedTPE();
1417 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1418 >        assertTrue(p.terminatedCalled());
1419 >        joinPool(p);
1420 >    }
1421 >
1422 >    /**
1423 >     * beforeExecute and afterExecute are called when executing task
1424 >     */
1425 >    public void testBeforeAfter() throws InterruptedException {
1426 >        ExtendedTPE p = new ExtendedTPE();
1427 >        try {
1428 >            final CountDownLatch done = new CountDownLatch(1);
1429 >            p.execute(new CheckedRunnable() {
1430 >                public void realRun() {
1431 >                    done.countDown();
1432 >                }});
1433 >            await(p.afterCalled);
1434 >            assertEquals(0, done.getCount());
1435 >            assertTrue(p.afterCalled());
1436 >            assertTrue(p.beforeCalled());
1437 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1438 >        } finally {
1439 >            joinPool(p);
1440 >        }
1441 >    }
1442 >
1443 >    /**
1444 >     * completed submit of callable returns result
1445 >     */
1446 >    public void testSubmitCallable() throws Exception {
1447 >        ExecutorService e =
1448 >            new ThreadPoolExecutor(2, 2,
1449 >                                   LONG_DELAY_MS, MILLISECONDS,
1450 >                                   new ArrayBlockingQueue<Runnable>(10));
1451 >        try {
1452 >            Future<String> future = e.submit(new StringTask());
1453 >            String result = future.get();
1454 >            assertSame(TEST_STRING, result);
1455 >        } finally {
1456 >            joinPool(e);
1457 >        }
1458 >    }
1459 >
1460 >    /**
1461 >     * completed submit of runnable returns successfully
1462 >     */
1463 >    public void testSubmitRunnable() throws Exception {
1464 >        ExecutorService e =
1465 >            new ThreadPoolExecutor(2, 2,
1466 >                                   LONG_DELAY_MS, MILLISECONDS,
1467 >                                   new ArrayBlockingQueue<Runnable>(10));
1468          try {
1469 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1469 >            Future<?> future = e.submit(new NoOpRunnable());
1470 >            future.get();
1471 >            assertTrue(future.isDone());
1472 >        } finally {
1473 >            joinPool(e);
1474 >        }
1475 >    }
1476 >
1477 >    /**
1478 >     * completed submit of (runnable, result) returns result
1479 >     */
1480 >    public void testSubmitRunnable2() throws Exception {
1481 >        ExecutorService e =
1482 >            new ThreadPoolExecutor(2, 2,
1483 >                                   LONG_DELAY_MS, MILLISECONDS,
1484 >                                   new ArrayBlockingQueue<Runnable>(10));
1485 >        try {
1486 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1487 >            String result = future.get();
1488 >            assertSame(TEST_STRING, result);
1489 >        } finally {
1490 >            joinPool(e);
1491 >        }
1492 >    }
1493 >
1494 >    /**
1495 >     * invokeAny(null) throws NPE
1496 >     */
1497 >    public void testInvokeAny1() throws Exception {
1498 >        ExecutorService e =
1499 >            new ThreadPoolExecutor(2, 2,
1500 >                                   LONG_DELAY_MS, MILLISECONDS,
1501 >                                   new ArrayBlockingQueue<Runnable>(10));
1502 >        try {
1503 >            e.invokeAny(null);
1504              shouldThrow();
1505 +        } catch (NullPointerException success) {
1506 +        } finally {
1507 +            joinPool(e);
1508          }
509        catch (IllegalArgumentException success){}
1509      }
1510  
1511 <    /**
1512 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
1511 >    /**
1512 >     * invokeAny(empty collection) throws IAE
1513       */
1514 <    public void testConstructor20() {
1514 >    public void testInvokeAny2() throws Exception {
1515 >        ExecutorService e =
1516 >            new ThreadPoolExecutor(2, 2,
1517 >                                   LONG_DELAY_MS, MILLISECONDS,
1518 >                                   new ArrayBlockingQueue<Runnable>(10));
1519          try {
1520 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1520 >            e.invokeAny(new ArrayList<Callable<String>>());
1521              shouldThrow();
1522 +        } catch (IllegalArgumentException success) {
1523 +        } finally {
1524 +            joinPool(e);
1525          }
520        catch (IllegalArgumentException success){}
1526      }
1527  
1528 <    /**
1529 <     * Constructor throws if workQueue is set to null
1528 >    /**
1529 >     * invokeAny(c) throws NPE if c has null elements
1530       */
1531 <    public void testNullPointerException6() {
1531 >    public void testInvokeAny3() throws Exception {
1532 >        final CountDownLatch latch = new CountDownLatch(1);
1533 >        final ExecutorService e =
1534 >            new ThreadPoolExecutor(2, 2,
1535 >                                   LONG_DELAY_MS, MILLISECONDS,
1536 >                                   new ArrayBlockingQueue<Runnable>(10));
1537 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1538 >        l.add(latchAwaitingStringTask(latch));
1539 >        l.add(null);
1540          try {
1541 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
1541 >            e.invokeAny(l);
1542              shouldThrow();
1543 +        } catch (NullPointerException success) {
1544 +        } finally {
1545 +            latch.countDown();
1546 +            joinPool(e);
1547          }
531        catch (NullPointerException success){}  
1548      }
1549  
1550 <    /**
1551 <     * Constructor throws if handler is set to null
1550 >    /**
1551 >     * invokeAny(c) throws ExecutionException if no task completes
1552       */
1553 <    public void testNullPointerException7() {
1553 >    public void testInvokeAny4() throws Exception {
1554 >        ExecutorService e =
1555 >            new ThreadPoolExecutor(2, 2,
1556 >                                   LONG_DELAY_MS, MILLISECONDS,
1557 >                                   new ArrayBlockingQueue<Runnable>(10));
1558 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1559 >        l.add(new NPETask());
1560          try {
1561 <            RejectedExecutionHandler r = null;
540 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1561 >            e.invokeAny(l);
1562              shouldThrow();
1563 +        } catch (ExecutionException success) {
1564 +            assertTrue(success.getCause() instanceof NullPointerException);
1565 +        } finally {
1566 +            joinPool(e);
1567 +        }
1568 +    }
1569 +
1570 +    /**
1571 +     * invokeAny(c) returns result of some task
1572 +     */
1573 +    public void testInvokeAny5() throws Exception {
1574 +        ExecutorService e =
1575 +            new ThreadPoolExecutor(2, 2,
1576 +                                   LONG_DELAY_MS, MILLISECONDS,
1577 +                                   new ArrayBlockingQueue<Runnable>(10));
1578 +        try {
1579 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1580 +            l.add(new StringTask());
1581 +            l.add(new StringTask());
1582 +            String result = e.invokeAny(l);
1583 +            assertSame(TEST_STRING, result);
1584 +        } finally {
1585 +            joinPool(e);
1586          }
543        catch (NullPointerException success){}  
1587      }
1588  
1589 <    /**
1590 <     * Constructor throws if ThreadFactory is set top null
1589 >    /**
1590 >     * invokeAll(null) throws NPE
1591       */
1592 <    public void testNullPointerException8() {
1592 >    public void testInvokeAll1() throws Exception {
1593 >        ExecutorService e =
1594 >            new ThreadPoolExecutor(2, 2,
1595 >                                   LONG_DELAY_MS, MILLISECONDS,
1596 >                                   new ArrayBlockingQueue<Runnable>(10));
1597          try {
1598 <            ThreadFactory f = null;
552 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1598 >            e.invokeAll(null);
1599              shouldThrow();
1600 +        } catch (NullPointerException success) {
1601 +        } finally {
1602 +            joinPool(e);
1603          }
555        catch (NullPointerException successdn8){}  
1604      }
557    
1605  
1606      /**
1607 <     *  execute throws RejectedExecutionException if shutdown
1607 >     * invokeAll(empty collection) returns empty collection
1608       */
1609 <    public void testRejectedExecutionException() {
1610 <        ThreadPoolExecutor tpe = null;
1609 >    public void testInvokeAll2() throws InterruptedException {
1610 >        ExecutorService e =
1611 >            new ThreadPoolExecutor(2, 2,
1612 >                                   LONG_DELAY_MS, MILLISECONDS,
1613 >                                   new ArrayBlockingQueue<Runnable>(10));
1614          try {
1615 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1616 <        } catch(Exception e){}
1617 <        tpe.shutdown();
1618 <        try {
1619 <            tpe.execute(new NoOpRunnable());
570 <            shouldThrow();
571 <        } catch(RejectedExecutionException success){}
572 <        
573 <        joinPool(tpe);
1615 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1616 >            assertTrue(r.isEmpty());
1617 >        } finally {
1618 >            joinPool(e);
1619 >        }
1620      }
1621  
1622      /**
1623 <     *  execute throws RejectedExecutionException
578 <     *  if saturated.
1623 >     * invokeAll(c) throws NPE if c has null elements
1624       */
1625 <    public void testSaturatedExecute() {
1626 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1625 >    public void testInvokeAll3() throws Exception {
1626 >        ExecutorService e =
1627 >            new ThreadPoolExecutor(2, 2,
1628 >                                   LONG_DELAY_MS, MILLISECONDS,
1629 >                                   new ArrayBlockingQueue<Runnable>(10));
1630 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1631 >        l.add(new StringTask());
1632 >        l.add(null);
1633 >        try {
1634 >            e.invokeAll(l);
1635 >            shouldThrow();
1636 >        } catch (NullPointerException success) {
1637 >        } finally {
1638 >            joinPool(e);
1639 >        }
1640 >    }
1641 >
1642 >    /**
1643 >     * get of element of invokeAll(c) throws exception on failed task
1644 >     */
1645 >    public void testInvokeAll4() throws Exception {
1646 >        ExecutorService e =
1647 >            new ThreadPoolExecutor(2, 2,
1648 >                                   LONG_DELAY_MS, MILLISECONDS,
1649 >                                   new ArrayBlockingQueue<Runnable>(10));
1650          try {
1651 <            
1652 <            for(int i = 0; i < 5; ++i){
1653 <                p.execute(new MediumRunnable());
1651 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1652 >            l.add(new NPETask());
1653 >            List<Future<String>> futures = e.invokeAll(l);
1654 >            assertEquals(1, futures.size());
1655 >            try {
1656 >                futures.get(0).get();
1657 >                shouldThrow();
1658 >            } catch (ExecutionException success) {
1659 >                assertTrue(success.getCause() instanceof NullPointerException);
1660              }
1661 +        } finally {
1662 +            joinPool(e);
1663 +        }
1664 +    }
1665 +
1666 +    /**
1667 +     * invokeAll(c) returns results of all completed tasks
1668 +     */
1669 +    public void testInvokeAll5() throws Exception {
1670 +        ExecutorService e =
1671 +            new ThreadPoolExecutor(2, 2,
1672 +                                   LONG_DELAY_MS, MILLISECONDS,
1673 +                                   new ArrayBlockingQueue<Runnable>(10));
1674 +        try {
1675 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1676 +            l.add(new StringTask());
1677 +            l.add(new StringTask());
1678 +            List<Future<String>> futures = e.invokeAll(l);
1679 +            assertEquals(2, futures.size());
1680 +            for (Future<String> future : futures)
1681 +                assertSame(TEST_STRING, future.get());
1682 +        } finally {
1683 +            joinPool(e);
1684 +        }
1685 +    }
1686 +
1687 +    /**
1688 +     * timed invokeAny(null) throws NPE
1689 +     */
1690 +    public void testTimedInvokeAny1() throws Exception {
1691 +        ExecutorService e =
1692 +            new ThreadPoolExecutor(2, 2,
1693 +                                   LONG_DELAY_MS, MILLISECONDS,
1694 +                                   new ArrayBlockingQueue<Runnable>(10));
1695 +        try {
1696 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1697              shouldThrow();
1698 <        } catch(RejectedExecutionException success){}
1699 <        joinPool(p);
1698 >        } catch (NullPointerException success) {
1699 >        } finally {
1700 >            joinPool(e);
1701 >        }
1702      }
1703  
1704      /**
1705 <     *  execute (null) throws NPE
1705 >     * timed invokeAny(,,null) throws NPE
1706       */
1707 <    public void testExecuteNull() {
1708 <        ThreadPoolExecutor tpe = null;
1707 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1708 >        ExecutorService e =
1709 >            new ThreadPoolExecutor(2, 2,
1710 >                                   LONG_DELAY_MS, MILLISECONDS,
1711 >                                   new ArrayBlockingQueue<Runnable>(10));
1712 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1713 >        l.add(new StringTask());
1714          try {
1715 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
599 <            tpe.execute(null);
1715 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1716              shouldThrow();
1717 <        } catch(NullPointerException success){}
1718 <        
1719 <        joinPool(tpe);
1717 >        } catch (NullPointerException success) {
1718 >        } finally {
1719 >            joinPool(e);
1720 >        }
1721      }
1722 <    
1722 >
1723      /**
1724 <     *  setCorePoolSize of netaitev value throws IllegalArgumentException
1724 >     * timed invokeAny(empty collection) throws IAE
1725       */
1726 <    public void testCorePoolSizeIllegalArgumentException() {
1727 <        ThreadPoolExecutor tpe = null;
1728 <        try {
1729 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1730 <        } catch(Exception e){}
614 <        try {
615 <            tpe.setCorePoolSize(-1);
616 <            shouldThrow();
617 <        } catch(IllegalArgumentException success){
618 <        } finally {
619 <            tpe.shutdown();
620 <        }
621 <        joinPool(tpe);
622 <    }  
623 <
624 <    /**
625 <     *  setMaximumPoolSize(int) throws IllegalArgumentException if
626 <     *  given a value less the core pool size
627 <     */  
628 <    public void testMaximumPoolSizeIllegalArgumentException() {
629 <        ThreadPoolExecutor tpe = null;
1726 >    public void testTimedInvokeAny2() throws Exception {
1727 >        ExecutorService e =
1728 >            new ThreadPoolExecutor(2, 2,
1729 >                                   LONG_DELAY_MS, MILLISECONDS,
1730 >                                   new ArrayBlockingQueue<Runnable>(10));
1731          try {
1732 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1733 <        } catch(Exception e){}
1732 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1733 >            shouldThrow();
1734 >        } catch (IllegalArgumentException success) {
1735 >        } finally {
1736 >            joinPool(e);
1737 >        }
1738 >    }
1739 >
1740 >    /**
1741 >     * timed invokeAny(c) throws NPE if c has null elements
1742 >     */
1743 >    public void testTimedInvokeAny3() throws Exception {
1744 >        final CountDownLatch latch = new CountDownLatch(1);
1745 >        final ExecutorService e =
1746 >            new ThreadPoolExecutor(2, 2,
1747 >                                   LONG_DELAY_MS, MILLISECONDS,
1748 >                                   new ArrayBlockingQueue<Runnable>(10));
1749 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1750 >        l.add(latchAwaitingStringTask(latch));
1751 >        l.add(null);
1752          try {
1753 <            tpe.setMaximumPoolSize(1);
1753 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1754              shouldThrow();
1755 <        } catch(IllegalArgumentException success){
1755 >        } catch (NullPointerException success) {
1756          } finally {
1757 <            tpe.shutdown();
1757 >            latch.countDown();
1758 >            joinPool(e);
1759          }
640        joinPool(tpe);
1760      }
1761 <    
1761 >
1762      /**
1763 <     *  setMaximumPoolSize throws IllegalArgumentException
645 <     *  if given a negative value
1763 >     * timed invokeAny(c) throws ExecutionException if no task completes
1764       */
1765 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1766 <        ThreadPoolExecutor tpe = null;
1765 >    public void testTimedInvokeAny4() throws Exception {
1766 >        ExecutorService e =
1767 >            new ThreadPoolExecutor(2, 2,
1768 >                                   LONG_DELAY_MS, MILLISECONDS,
1769 >                                   new ArrayBlockingQueue<Runnable>(10));
1770 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1771 >        l.add(new NPETask());
1772          try {
1773 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1774 <        } catch(Exception e){}
1773 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1774 >            shouldThrow();
1775 >        } catch (ExecutionException success) {
1776 >            assertTrue(success.getCause() instanceof NullPointerException);
1777 >        } finally {
1778 >            joinPool(e);
1779 >        }
1780 >    }
1781 >
1782 >    /**
1783 >     * timed invokeAny(c) returns result of some task
1784 >     */
1785 >    public void testTimedInvokeAny5() throws Exception {
1786 >        ExecutorService e =
1787 >            new ThreadPoolExecutor(2, 2,
1788 >                                   LONG_DELAY_MS, MILLISECONDS,
1789 >                                   new ArrayBlockingQueue<Runnable>(10));
1790          try {
1791 <            tpe.setMaximumPoolSize(-1);
1791 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1792 >            l.add(new StringTask());
1793 >            l.add(new StringTask());
1794 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1795 >            assertSame(TEST_STRING, result);
1796 >        } finally {
1797 >            joinPool(e);
1798 >        }
1799 >    }
1800 >
1801 >    /**
1802 >     * timed invokeAll(null) throws NPE
1803 >     */
1804 >    public void testTimedInvokeAll1() throws Exception {
1805 >        ExecutorService e =
1806 >            new ThreadPoolExecutor(2, 2,
1807 >                                   LONG_DELAY_MS, MILLISECONDS,
1808 >                                   new ArrayBlockingQueue<Runnable>(10));
1809 >        try {
1810 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1811              shouldThrow();
1812 <        } catch(IllegalArgumentException success){
1812 >        } catch (NullPointerException success) {
1813          } finally {
1814 <            tpe.shutdown();
1814 >            joinPool(e);
1815          }
659        joinPool(tpe);
1816      }
661    
1817  
1818      /**
1819 <     *  setKeepAliveTime  throws IllegalArgumentException
665 <     *  when given a negative value
1819 >     * timed invokeAll(,,null) throws NPE
1820       */
1821 <    public void testKeepAliveTimeIllegalArgumentException() {
1822 <        ThreadPoolExecutor tpe = null;
1821 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1822 >        ExecutorService e =
1823 >            new ThreadPoolExecutor(2, 2,
1824 >                                   LONG_DELAY_MS, MILLISECONDS,
1825 >                                   new ArrayBlockingQueue<Runnable>(10));
1826 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1827 >        l.add(new StringTask());
1828 >        try {
1829 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1830 >            shouldThrow();
1831 >        } catch (NullPointerException success) {
1832 >        } finally {
1833 >            joinPool(e);
1834 >        }
1835 >    }
1836 >
1837 >    /**
1838 >     * timed invokeAll(empty collection) returns empty collection
1839 >     */
1840 >    public void testTimedInvokeAll2() throws InterruptedException {
1841 >        ExecutorService e =
1842 >            new ThreadPoolExecutor(2, 2,
1843 >                                   LONG_DELAY_MS, MILLISECONDS,
1844 >                                   new ArrayBlockingQueue<Runnable>(10));
1845 >        try {
1846 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1847 >            assertTrue(r.isEmpty());
1848 >        } finally {
1849 >            joinPool(e);
1850 >        }
1851 >    }
1852 >
1853 >    /**
1854 >     * timed invokeAll(c) throws NPE if c has null elements
1855 >     */
1856 >    public void testTimedInvokeAll3() throws Exception {
1857 >        ExecutorService e =
1858 >            new ThreadPoolExecutor(2, 2,
1859 >                                   LONG_DELAY_MS, MILLISECONDS,
1860 >                                   new ArrayBlockingQueue<Runnable>(10));
1861 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1862 >        l.add(new StringTask());
1863 >        l.add(null);
1864 >        try {
1865 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1866 >            shouldThrow();
1867 >        } catch (NullPointerException success) {
1868 >        } finally {
1869 >            joinPool(e);
1870 >        }
1871 >    }
1872 >
1873 >    /**
1874 >     * get of element of invokeAll(c) throws exception on failed task
1875 >     */
1876 >    public void testTimedInvokeAll4() throws Exception {
1877 >        ExecutorService e =
1878 >            new ThreadPoolExecutor(2, 2,
1879 >                                   LONG_DELAY_MS, MILLISECONDS,
1880 >                                   new ArrayBlockingQueue<Runnable>(10));
1881 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1882 >        l.add(new NPETask());
1883 >        List<Future<String>> futures =
1884 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1885 >        assertEquals(1, futures.size());
1886          try {
1887 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
671 <        } catch(Exception e){}
672 <        
673 <        try {
674 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1887 >            futures.get(0).get();
1888              shouldThrow();
1889 <        } catch(IllegalArgumentException success){
1889 >        } catch (ExecutionException success) {
1890 >            assertTrue(success.getCause() instanceof NullPointerException);
1891          } finally {
1892 <            tpe.shutdown();
1892 >            joinPool(e);
1893          }
680        joinPool(tpe);
1894      }
1895 <  
1895 >
1896 >    /**
1897 >     * timed invokeAll(c) returns results of all completed tasks
1898 >     */
1899 >    public void testTimedInvokeAll5() throws Exception {
1900 >        ExecutorService e =
1901 >            new ThreadPoolExecutor(2, 2,
1902 >                                   LONG_DELAY_MS, MILLISECONDS,
1903 >                                   new ArrayBlockingQueue<Runnable>(10));
1904 >        try {
1905 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1906 >            l.add(new StringTask());
1907 >            l.add(new StringTask());
1908 >            List<Future<String>> futures =
1909 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1910 >            assertEquals(2, futures.size());
1911 >            for (Future<String> future : futures)
1912 >                assertSame(TEST_STRING, future.get());
1913 >        } finally {
1914 >            joinPool(e);
1915 >        }
1916 >    }
1917 >
1918 >    /**
1919 >     * timed invokeAll(c) cancels tasks not completed by timeout
1920 >     */
1921 >    public void testTimedInvokeAll6() throws Exception {
1922 >        ExecutorService e =
1923 >            new ThreadPoolExecutor(2, 2,
1924 >                                   LONG_DELAY_MS, MILLISECONDS,
1925 >                                   new ArrayBlockingQueue<Runnable>(10));
1926 >        try {
1927 >            for (long timeout = timeoutMillis();;) {
1928 >                List<Callable<String>> tasks = new ArrayList<>();
1929 >                tasks.add(new StringTask("0"));
1930 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1931 >                tasks.add(new StringTask("2"));
1932 >                long startTime = System.nanoTime();
1933 >                List<Future<String>> futures =
1934 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1935 >                assertEquals(tasks.size(), futures.size());
1936 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1937 >                for (Future future : futures)
1938 >                    assertTrue(future.isDone());
1939 >                assertTrue(futures.get(1).isCancelled());
1940 >                try {
1941 >                    assertEquals("0", futures.get(0).get());
1942 >                    assertEquals("2", futures.get(2).get());
1943 >                    break;
1944 >                } catch (CancellationException retryWithLongerTimeout) {
1945 >                    timeout *= 2;
1946 >                    if (timeout >= LONG_DELAY_MS / 2)
1947 >                        fail("expected exactly one task to be cancelled");
1948 >                }
1949 >            }
1950 >        } finally {
1951 >            joinPool(e);
1952 >        }
1953 >    }
1954 >
1955 >    /**
1956 >     * Execution continues if there is at least one thread even if
1957 >     * thread factory fails to create more
1958 >     */
1959 >    public void testFailingThreadFactory() throws InterruptedException {
1960 >        final ExecutorService e =
1961 >            new ThreadPoolExecutor(100, 100,
1962 >                                   LONG_DELAY_MS, MILLISECONDS,
1963 >                                   new LinkedBlockingQueue<Runnable>(),
1964 >                                   new FailingThreadFactory());
1965 >        try {
1966 >            final int TASKS = 100;
1967 >            final CountDownLatch done = new CountDownLatch(TASKS);
1968 >            for (int k = 0; k < TASKS; ++k)
1969 >                e.execute(new CheckedRunnable() {
1970 >                    public void realRun() {
1971 >                        done.countDown();
1972 >                    }});
1973 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1974 >        } finally {
1975 >            joinPool(e);
1976 >        }
1977 >    }
1978 >
1979 >    /**
1980 >     * allowsCoreThreadTimeOut is by default false.
1981 >     */
1982 >    public void testAllowsCoreThreadTimeOut() {
1983 >        final ThreadPoolExecutor p =
1984 >            new ThreadPoolExecutor(2, 2,
1985 >                                   1000, MILLISECONDS,
1986 >                                   new ArrayBlockingQueue<Runnable>(10));
1987 >        assertFalse(p.allowsCoreThreadTimeOut());
1988 >        joinPool(p);
1989 >    }
1990 >
1991 >    /**
1992 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1993 >     */
1994 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1995 >        long keepAliveTime = timeoutMillis();
1996 >        final ThreadPoolExecutor p =
1997 >            new ThreadPoolExecutor(2, 10,
1998 >                                   keepAliveTime, MILLISECONDS,
1999 >                                   new ArrayBlockingQueue<Runnable>(10));
2000 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2001 >        try {
2002 >            p.allowCoreThreadTimeOut(true);
2003 >            p.execute(new CheckedRunnable() {
2004 >                public void realRun() {
2005 >                    threadStarted.countDown();
2006 >                    assertEquals(1, p.getPoolSize());
2007 >                }});
2008 >            await(threadStarted);
2009 >            delay(keepAliveTime);
2010 >            long startTime = System.nanoTime();
2011 >            while (p.getPoolSize() > 0
2012 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2013 >                Thread.yield();
2014 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2015 >            assertEquals(0, p.getPoolSize());
2016 >        } finally {
2017 >            joinPool(p);
2018 >        }
2019 >    }
2020 >
2021 >    /**
2022 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2023 >     */
2024 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2025 >        long keepAliveTime = timeoutMillis();
2026 >        final ThreadPoolExecutor p =
2027 >            new ThreadPoolExecutor(2, 10,
2028 >                                   keepAliveTime, MILLISECONDS,
2029 >                                   new ArrayBlockingQueue<Runnable>(10));
2030 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2031 >        try {
2032 >            p.allowCoreThreadTimeOut(false);
2033 >            p.execute(new CheckedRunnable() {
2034 >                public void realRun() throws InterruptedException {
2035 >                    threadStarted.countDown();
2036 >                    assertTrue(p.getPoolSize() >= 1);
2037 >                }});
2038 >            delay(2 * keepAliveTime);
2039 >            assertTrue(p.getPoolSize() >= 1);
2040 >        } finally {
2041 >            joinPool(p);
2042 >        }
2043 >    }
2044 >
2045 >    /**
2046 >     * execute allows the same task to be submitted multiple times, even
2047 >     * if rejected
2048 >     */
2049 >    public void testRejectedRecycledTask() throws InterruptedException {
2050 >        final int nTasks = 1000;
2051 >        final CountDownLatch done = new CountDownLatch(nTasks);
2052 >        final Runnable recycledTask = new Runnable() {
2053 >            public void run() {
2054 >                done.countDown();
2055 >            }};
2056 >        final ThreadPoolExecutor p =
2057 >            new ThreadPoolExecutor(1, 30,
2058 >                                   60, SECONDS,
2059 >                                   new ArrayBlockingQueue(30));
2060 >        try {
2061 >            for (int i = 0; i < nTasks; ++i) {
2062 >                for (;;) {
2063 >                    try {
2064 >                        p.execute(recycledTask);
2065 >                        break;
2066 >                    }
2067 >                    catch (RejectedExecutionException ignore) {}
2068 >                }
2069 >            }
2070 >            // enough time to run all tasks
2071 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2072 >        } finally {
2073 >            joinPool(p);
2074 >        }
2075 >    }
2076 >
2077 >    /**
2078 >     * get(cancelled task) throws CancellationException
2079 >     */
2080 >    public void testGet_cancelled() throws Exception {
2081 >        final ExecutorService e =
2082 >            new ThreadPoolExecutor(1, 1,
2083 >                                   LONG_DELAY_MS, MILLISECONDS,
2084 >                                   new LinkedBlockingQueue<Runnable>());
2085 >        try {
2086 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2087 >            final CountDownLatch done = new CountDownLatch(1);
2088 >            final List<Future<?>> futures = new ArrayList<>();
2089 >            for (int i = 0; i < 2; i++) {
2090 >                Runnable r = new CheckedRunnable() { public void realRun()
2091 >                                                         throws Throwable {
2092 >                    blockerStarted.countDown();
2093 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2094 >                }};
2095 >                futures.add(e.submit(r));
2096 >            }
2097 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2098 >            for (Future<?> future : futures) future.cancel(false);
2099 >            for (Future<?> future : futures) {
2100 >                try {
2101 >                    future.get();
2102 >                    shouldThrow();
2103 >                } catch (CancellationException success) {}
2104 >                try {
2105 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2106 >                    shouldThrow();
2107 >                } catch (CancellationException success) {}
2108 >                assertTrue(future.isCancelled());
2109 >                assertTrue(future.isDone());
2110 >            }
2111 >            done.countDown();
2112 >        } finally {
2113 >            joinPool(e);
2114 >        }
2115 >    }
2116 >
2117   }

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