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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 1.54 by jsr166, Fri Sep 4 19:35:46 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.CountDownLatch;
19 + import java.util.concurrent.ExecutionException;
20 + import java.util.concurrent.Executors;
21 + import java.util.concurrent.ExecutorService;
22 + import java.util.concurrent.Future;
23 + import java.util.concurrent.FutureTask;
24 + import java.util.concurrent.LinkedBlockingQueue;
25 + import java.util.concurrent.RejectedExecutionException;
26 + import java.util.concurrent.RejectedExecutionHandler;
27 + import java.util.concurrent.SynchronousQueue;
28 + import java.util.concurrent.ThreadFactory;
29 + import java.util.concurrent.ThreadPoolExecutor;
30 + import java.util.concurrent.TimeUnit;
31 +
32 + import junit.framework.Test;
33 + import junit.framework.TestSuite;
34  
35   public class ThreadPoolExecutorTest extends JSR166TestCase {
36      public static void main(String[] args) {
37 <        junit.textui.TestRunner.run (suite());  
37 >        main(suite(), args);
38      }
39      public static Test suite() {
40          return new TestSuite(ThreadPoolExecutorTest.class);
41      }
42 <    
42 >
43 >    static class ExtendedTPE extends ThreadPoolExecutor {
44 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
45 >        final CountDownLatch afterCalled = new CountDownLatch(1);
46 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
47 >
48 >        public ExtendedTPE() {
49 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
50 >        }
51 >        protected void beforeExecute(Thread t, Runnable r) {
52 >            beforeCalled.countDown();
53 >        }
54 >        protected void afterExecute(Runnable r, Throwable t) {
55 >            afterCalled.countDown();
56 >        }
57 >        protected void terminated() {
58 >            terminatedCalled.countDown();
59 >        }
60 >
61 >        public boolean beforeCalled() {
62 >            return beforeCalled.getCount() == 0;
63 >        }
64 >        public boolean afterCalled() {
65 >            return afterCalled.getCount() == 0;
66 >        }
67 >        public boolean terminatedCalled() {
68 >            return terminatedCalled.getCount() == 0;
69 >        }
70 >    }
71 >
72 >    static class FailingThreadFactory implements ThreadFactory {
73 >        int calls = 0;
74 >        public Thread newThread(Runnable r) {
75 >            if (++calls > 1) return null;
76 >            return new Thread(r);
77 >        }
78 >    }
79  
80      /**
81 <     *   execute successfully executes a runnable
81 >     * execute successfully executes a runnable
82       */
83 <    public void testExecute() {
84 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
83 >    public void testExecute() throws InterruptedException {
84 >        final ThreadPoolExecutor p =
85 >            new ThreadPoolExecutor(1, 1,
86 >                                   LONG_DELAY_MS, MILLISECONDS,
87 >                                   new ArrayBlockingQueue<Runnable>(10));
88 >        final CountDownLatch done = new CountDownLatch(1);
89 >        final Runnable task = new CheckedRunnable() {
90 >            public void realRun() {
91 >                done.countDown();
92 >            }};
93          try {
94 <            p1.execute(new Runnable() {
95 <                    public void run() {
96 <                        try {
97 <                            Thread.sleep(SHORT_DELAY_MS);
98 <                        } catch(InterruptedException e){
32 <                            threadUnexpectedException();
33 <                        }
34 <                    }
35 <                });
36 <            Thread.sleep(SMALL_DELAY_MS);
37 <        } catch(InterruptedException e){
38 <            unexpectedException();
39 <        }
40 <        joinPool(p1);
94 >            p.execute(task);
95 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
96 >        } finally {
97 >            joinPool(p);
98 >        }
99      }
100  
101      /**
102 <     *  getActiveCount increases but doesn't overestimate, when a
103 <     *  thread becomes active
102 >     * getActiveCount increases but doesn't overestimate, when a
103 >     * thread becomes active
104       */
105 <    public void testGetActiveCount() {
106 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
107 <        assertEquals(0, p2.getActiveCount());
108 <        p2.execute(new MediumRunnable());
109 <        try {
110 <            Thread.sleep(SHORT_DELAY_MS);
111 <        } catch(Exception e){
112 <            unexpectedException();
105 >    public void testGetActiveCount() throws InterruptedException {
106 >        final ThreadPoolExecutor p =
107 >            new ThreadPoolExecutor(2, 2,
108 >                                   LONG_DELAY_MS, MILLISECONDS,
109 >                                   new ArrayBlockingQueue<Runnable>(10));
110 >        final CountDownLatch threadStarted = new CountDownLatch(1);
111 >        final CountDownLatch done = new CountDownLatch(1);
112 >        try {
113 >            assertEquals(0, p.getActiveCount());
114 >            p.execute(new CheckedRunnable() {
115 >                public void realRun() throws InterruptedException {
116 >                    threadStarted.countDown();
117 >                    assertEquals(1, p.getActiveCount());
118 >                    done.await();
119 >                }});
120 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
121 >            assertEquals(1, p.getActiveCount());
122 >        } finally {
123 >            done.countDown();
124 >            joinPool(p);
125          }
56        assertEquals(1, p2.getActiveCount());
57        joinPool(p2);
126      }
127 <    
127 >
128      /**
129 <     *   getCompletedTaskCount increases, but doesn't overestimate,
62 <     *   when tasks complete
129 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
130       */
131 <    public void testGetCompletedTaskCount() {
132 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
133 <        assertEquals(0, p2.getCompletedTaskCount());
134 <        p2.execute(new ShortRunnable());
135 <        try {
136 <            Thread.sleep(MEDIUM_DELAY_MS);
137 <        } catch(Exception e){
138 <            unexpectedException();
131 >    public void testPrestartCoreThread() {
132 >        final ThreadPoolExecutor p =
133 >            new ThreadPoolExecutor(2, 2,
134 >                                   LONG_DELAY_MS, MILLISECONDS,
135 >                                   new ArrayBlockingQueue<Runnable>(10));
136 >        assertEquals(0, p.getPoolSize());
137 >        assertTrue(p.prestartCoreThread());
138 >        assertEquals(1, p.getPoolSize());
139 >        assertTrue(p.prestartCoreThread());
140 >        assertEquals(2, p.getPoolSize());
141 >        assertFalse(p.prestartCoreThread());
142 >        assertEquals(2, p.getPoolSize());
143 >        joinPool(p);
144 >    }
145 >
146 >    /**
147 >     * prestartAllCoreThreads starts all corePoolSize threads
148 >     */
149 >    public void testPrestartAllCoreThreads() {
150 >        final ThreadPoolExecutor p =
151 >            new ThreadPoolExecutor(2, 2,
152 >                                   LONG_DELAY_MS, MILLISECONDS,
153 >                                   new ArrayBlockingQueue<Runnable>(10));
154 >        assertEquals(0, p.getPoolSize());
155 >        p.prestartAllCoreThreads();
156 >        assertEquals(2, p.getPoolSize());
157 >        p.prestartAllCoreThreads();
158 >        assertEquals(2, p.getPoolSize());
159 >        joinPool(p);
160 >    }
161 >
162 >    /**
163 >     * getCompletedTaskCount increases, but doesn't overestimate,
164 >     * when tasks complete
165 >     */
166 >    public void testGetCompletedTaskCount() throws InterruptedException {
167 >        final ThreadPoolExecutor p =
168 >            new ThreadPoolExecutor(2, 2,
169 >                                   LONG_DELAY_MS, MILLISECONDS,
170 >                                   new ArrayBlockingQueue<Runnable>(10));
171 >        final CountDownLatch threadStarted = new CountDownLatch(1);
172 >        final CountDownLatch threadProceed = new CountDownLatch(1);
173 >        final CountDownLatch threadDone = new CountDownLatch(1);
174 >        try {
175 >            assertEquals(0, p.getCompletedTaskCount());
176 >            p.execute(new CheckedRunnable() {
177 >                public void realRun() throws InterruptedException {
178 >                    threadStarted.countDown();
179 >                    assertEquals(0, p.getCompletedTaskCount());
180 >                    threadProceed.await();
181 >                    threadDone.countDown();
182 >                }});
183 >            await(threadStarted);
184 >            assertEquals(0, p.getCompletedTaskCount());
185 >            threadProceed.countDown();
186 >            threadDone.await();
187 >            long startTime = System.nanoTime();
188 >            while (p.getCompletedTaskCount() != 1) {
189 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
190 >                    fail("timed out");
191 >                Thread.yield();
192 >            }
193 >        } finally {
194 >            joinPool(p);
195          }
73        assertEquals(1, p2.getCompletedTaskCount());
74        p2.shutdown();
75        joinPool(p2);
196      }
197 <    
197 >
198      /**
199 <     *   getCorePoolSize returns size given in constructor if not otherwise set
199 >     * getCorePoolSize returns size given in constructor if not otherwise set
200       */
201      public void testGetCorePoolSize() {
202 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
203 <        assertEquals(1, p1.getCorePoolSize());
204 <        joinPool(p1);
202 >        final ThreadPoolExecutor p =
203 >            new ThreadPoolExecutor(1, 1,
204 >                                   LONG_DELAY_MS, MILLISECONDS,
205 >                                   new ArrayBlockingQueue<Runnable>(10));
206 >        assertEquals(1, p.getCorePoolSize());
207 >        joinPool(p);
208      }
209 <    
209 >
210      /**
211 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
211 >     * getKeepAliveTime returns value given in constructor if not otherwise set
212       */
213      public void testGetKeepAliveTime() {
214 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
215 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
216 <        joinPool(p2);
217 <    }
218 <    
219 <    /**
97 <     *   getLargestPoolSize increases, but doesn't overestimate, when
98 <     *   multiple threads active
99 <     */
100 <    public void testGetLargestPoolSize() {
101 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
102 <        try {
103 <            assertEquals(0, p2.getLargestPoolSize());
104 <            p2.execute(new MediumRunnable());
105 <            p2.execute(new MediumRunnable());
106 <            Thread.sleep(SHORT_DELAY_MS);
107 <            assertEquals(2, p2.getLargestPoolSize());
108 <        } catch(Exception e){
109 <            unexpectedException();
110 <        }
111 <        joinPool(p2);
214 >        final ThreadPoolExecutor p =
215 >            new ThreadPoolExecutor(2, 2,
216 >                                   1000, MILLISECONDS,
217 >                                   new ArrayBlockingQueue<Runnable>(10));
218 >        assertEquals(1, p.getKeepAliveTime(TimeUnit.SECONDS));
219 >        joinPool(p);
220      }
221 <    
221 >
222      /**
223 <     *   getMaximumPoolSize returns value given in constructor if not
116 <     *   otherwise set
223 >     * getThreadFactory returns factory in constructor if not set
224       */
225 <    public void testGetMaximumPoolSize() {
226 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
227 <        assertEquals(2, p2.getMaximumPoolSize());
228 <        joinPool(p2);
225 >    public void testGetThreadFactory() {
226 >        ThreadFactory tf = new SimpleThreadFactory();
227 >        final ThreadPoolExecutor p =
228 >            new ThreadPoolExecutor(1, 2,
229 >                                   LONG_DELAY_MS, MILLISECONDS,
230 >                                   new ArrayBlockingQueue<Runnable>(10),
231 >                                   tf,
232 >                                   new NoOpREHandler());
233 >        assertSame(tf, p.getThreadFactory());
234 >        joinPool(p);
235      }
236 <    
236 >
237      /**
238 <     *   getPoolSize increases, but doesn't overestimate, when threads
126 <     *   become active
238 >     * setThreadFactory sets the thread factory returned by getThreadFactory
239       */
240 <    public void testGetPoolSize() {
241 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
242 <        assertEquals(0, p1.getPoolSize());
243 <        p1.execute(new MediumRunnable());
244 <        assertEquals(1, p1.getPoolSize());
245 <        joinPool(p1);
240 >    public void testSetThreadFactory() {
241 >        final ThreadPoolExecutor p =
242 >            new ThreadPoolExecutor(1, 2,
243 >                                   LONG_DELAY_MS, MILLISECONDS,
244 >                                   new ArrayBlockingQueue<Runnable>(10));
245 >        ThreadFactory tf = new SimpleThreadFactory();
246 >        p.setThreadFactory(tf);
247 >        assertSame(tf, p.getThreadFactory());
248 >        joinPool(p);
249      }
250 <    
250 >
251      /**
252 <     *   getTaskCount increases, but doesn't overestimate, when tasks submitted
252 >     * setThreadFactory(null) throws NPE
253       */
254 <    public void testGetTaskCount() {
255 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
254 >    public void testSetThreadFactoryNull() {
255 >        final ThreadPoolExecutor p =
256 >            new ThreadPoolExecutor(1, 2,
257 >                                   LONG_DELAY_MS, MILLISECONDS,
258 >                                   new ArrayBlockingQueue<Runnable>(10));
259          try {
260 <            assertEquals(0, p1.getTaskCount());
261 <            p1.execute(new MediumRunnable());
262 <            Thread.sleep(SHORT_DELAY_MS);
263 <            assertEquals(1, p1.getTaskCount());
264 <        } catch(Exception e){
265 <            unexpectedException();
148 <        }
149 <        joinPool(p1);
260 >            p.setThreadFactory(null);
261 >            shouldThrow();
262 >        } catch (NullPointerException success) {
263 >        } finally {
264 >            joinPool(p);
265 >        }
266      }
267 <    
267 >
268      /**
269 <     *   isShutDown is false before shutdown, true after
269 >     * getRejectedExecutionHandler returns handler in constructor if not set
270       */
271 <    public void testIsShutdown() {
272 <        
273 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
274 <        assertFalse(p1.isShutdown());
275 <        p1.shutdown();
276 <        assertTrue(p1.isShutdown());
277 <        joinPool(p1);
271 >    public void testGetRejectedExecutionHandler() {
272 >        final RejectedExecutionHandler h = new NoOpREHandler();
273 >        final ThreadPoolExecutor p =
274 >            new ThreadPoolExecutor(1, 2,
275 >                                   LONG_DELAY_MS, MILLISECONDS,
276 >                                   new ArrayBlockingQueue<Runnable>(10),
277 >                                   h);
278 >        assertSame(h, p.getRejectedExecutionHandler());
279 >        joinPool(p);
280 >    }
281 >
282 >    /**
283 >     * setRejectedExecutionHandler sets the handler returned by
284 >     * getRejectedExecutionHandler
285 >     */
286 >    public void testSetRejectedExecutionHandler() {
287 >        final ThreadPoolExecutor p =
288 >            new ThreadPoolExecutor(1, 2,
289 >                                   LONG_DELAY_MS, MILLISECONDS,
290 >                                   new ArrayBlockingQueue<Runnable>(10));
291 >        RejectedExecutionHandler h = new NoOpREHandler();
292 >        p.setRejectedExecutionHandler(h);
293 >        assertSame(h, p.getRejectedExecutionHandler());
294 >        joinPool(p);
295      }
296  
164        
297      /**
298 <     *  isTerminated is false before termination, true after
298 >     * setRejectedExecutionHandler(null) throws NPE
299       */
300 <    public void testIsTerminated() {
301 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
302 <        assertFalse(p1.isTerminated());
300 >    public void testSetRejectedExecutionHandlerNull() {
301 >        final ThreadPoolExecutor p =
302 >            new ThreadPoolExecutor(1, 2,
303 >                                   LONG_DELAY_MS, MILLISECONDS,
304 >                                   new ArrayBlockingQueue<Runnable>(10));
305          try {
306 <            p1.execute(new MediumRunnable());
306 >            p.setRejectedExecutionHandler(null);
307 >            shouldThrow();
308 >        } catch (NullPointerException success) {
309          } finally {
310 <            p1.shutdown();
310 >            joinPool(p);
311          }
176        try {
177            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
178            assertTrue(p1.isTerminated());
179        } catch(Exception e){
180            unexpectedException();
181        }      
312      }
313  
314      /**
315 <     *  isTerminating is not true when running or when terminated
315 >     * getLargestPoolSize increases, but doesn't overestimate, when
316 >     * multiple threads active
317       */
318 <    public void testIsTerminating() {
319 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
320 <        assertFalse(p1.isTerminating());
321 <        try {
322 <            p1.execute(new SmallRunnable());
323 <            assertFalse(p1.isTerminating());
318 >    public void testGetLargestPoolSize() throws InterruptedException {
319 >        final int THREADS = 3;
320 >        final ThreadPoolExecutor p =
321 >            new ThreadPoolExecutor(THREADS, THREADS,
322 >                                   LONG_DELAY_MS, MILLISECONDS,
323 >                                   new ArrayBlockingQueue<Runnable>(10));
324 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
325 >        final CountDownLatch done = new CountDownLatch(1);
326 >        try {
327 >            assertEquals(0, p.getLargestPoolSize());
328 >            for (int i = 0; i < THREADS; i++)
329 >                p.execute(new CheckedRunnable() {
330 >                    public void realRun() throws InterruptedException {
331 >                        threadsStarted.countDown();
332 >                        done.await();
333 >                        assertEquals(THREADS, p.getLargestPoolSize());
334 >                    }});
335 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
336 >            assertEquals(THREADS, p.getLargestPoolSize());
337          } finally {
338 <            p1.shutdown();
338 >            done.countDown();
339 >            joinPool(p);
340 >            assertEquals(THREADS, p.getLargestPoolSize());
341          }
196        try {
197            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
198            assertTrue(p1.isTerminated());
199            assertFalse(p1.isTerminating());
200        } catch(Exception e){
201            unexpectedException();
202        }      
342      }
343  
344      /**
345 <     *   purge removes cancelled tasks from the queue
345 >     * getMaximumPoolSize returns value given in constructor if not
346 >     * otherwise set
347 >     */
348 >    public void testGetMaximumPoolSize() {
349 >        final ThreadPoolExecutor p =
350 >            new ThreadPoolExecutor(2, 3,
351 >                                   LONG_DELAY_MS, MILLISECONDS,
352 >                                   new ArrayBlockingQueue<Runnable>(10));
353 >        assertEquals(3, p.getMaximumPoolSize());
354 >        joinPool(p);
355 >    }
356 >
357 >    /**
358 >     * getPoolSize increases, but doesn't overestimate, when threads
359 >     * become active
360 >     */
361 >    public void testGetPoolSize() throws InterruptedException {
362 >        final ThreadPoolExecutor p =
363 >            new ThreadPoolExecutor(1, 1,
364 >                                   LONG_DELAY_MS, MILLISECONDS,
365 >                                   new ArrayBlockingQueue<Runnable>(10));
366 >        final CountDownLatch threadStarted = new CountDownLatch(1);
367 >        final CountDownLatch done = new CountDownLatch(1);
368 >        try {
369 >            assertEquals(0, p.getPoolSize());
370 >            p.execute(new CheckedRunnable() {
371 >                public void realRun() throws InterruptedException {
372 >                    threadStarted.countDown();
373 >                    assertEquals(1, p.getPoolSize());
374 >                    done.await();
375 >                }});
376 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
377 >            assertEquals(1, p.getPoolSize());
378 >        } finally {
379 >            done.countDown();
380 >            joinPool(p);
381 >        }
382 >    }
383 >
384 >    /**
385 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
386 >     */
387 >    public void testGetTaskCount() throws InterruptedException {
388 >        final ThreadPoolExecutor p =
389 >            new ThreadPoolExecutor(1, 1,
390 >                                   LONG_DELAY_MS, MILLISECONDS,
391 >                                   new ArrayBlockingQueue<Runnable>(10));
392 >        final CountDownLatch threadStarted = new CountDownLatch(1);
393 >        final CountDownLatch done = new CountDownLatch(1);
394 >        try {
395 >            assertEquals(0, p.getTaskCount());
396 >            p.execute(new CheckedRunnable() {
397 >                public void realRun() throws InterruptedException {
398 >                    threadStarted.countDown();
399 >                    assertEquals(1, p.getTaskCount());
400 >                    done.await();
401 >                }});
402 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
403 >            assertEquals(1, p.getTaskCount());
404 >        } finally {
405 >            done.countDown();
406 >            joinPool(p);
407 >        }
408 >    }
409 >
410 >    /**
411 >     * isShutdown is false before shutdown, true after
412 >     */
413 >    public void testIsShutdown() {
414 >        final ThreadPoolExecutor p =
415 >            new ThreadPoolExecutor(1, 1,
416 >                                   LONG_DELAY_MS, MILLISECONDS,
417 >                                   new ArrayBlockingQueue<Runnable>(10));
418 >        assertFalse(p.isShutdown());
419 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
420 >        assertTrue(p.isShutdown());
421 >        joinPool(p);
422 >    }
423 >
424 >    /**
425 >     * awaitTermination on a non-shutdown pool times out
426       */
427 <    public void testPurge() {
428 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
429 <        CancellableTask[] tasks = new CancellableTask[5];
430 <        for(int i = 0; i < 5; i++){
431 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
432 <            p1.execute(tasks[i]);
427 >    public void testAwaitTermination_timesOut() throws InterruptedException {
428 >        final ThreadPoolExecutor p =
429 >            new ThreadPoolExecutor(1, 1,
430 >                                   LONG_DELAY_MS, MILLISECONDS,
431 >                                   new ArrayBlockingQueue<Runnable>(10));
432 >        assertFalse(p.isTerminated());
433 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
434 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
435 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
436 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
437 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
438 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
439 >        long timeoutNanos = 999999L;
440 >        long startTime = System.nanoTime();
441 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
442 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
443 >        assertFalse(p.isTerminated());
444 >        startTime = System.nanoTime();
445 >        long timeoutMillis = timeoutMillis();
446 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
447 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
448 >        assertFalse(p.isTerminated());
449 >        p.shutdown();
450 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
451 >        assertTrue(p.isTerminated());
452 >    }
453 >
454 >    /**
455 >     * isTerminated is false before termination, true after
456 >     */
457 >    public void testIsTerminated() throws InterruptedException {
458 >        final ThreadPoolExecutor p =
459 >            new ThreadPoolExecutor(1, 1,
460 >                                   LONG_DELAY_MS, MILLISECONDS,
461 >                                   new ArrayBlockingQueue<Runnable>(10));
462 >        final CountDownLatch threadStarted = new CountDownLatch(1);
463 >        final CountDownLatch done = new CountDownLatch(1);
464 >        assertFalse(p.isTerminated());
465 >        try {
466 >            p.execute(new CheckedRunnable() {
467 >                public void realRun() throws InterruptedException {
468 >                    assertFalse(p.isTerminated());
469 >                    threadStarted.countDown();
470 >                    done.await();
471 >                }});
472 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
473 >            assertFalse(p.isTerminating());
474 >            done.countDown();
475 >        } finally {
476 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
477          }
478 <        tasks[4].cancel(true);
479 <        tasks[3].cancel(true);
217 <        p1.purge();
218 <        long count = p1.getTaskCount();
219 <        assertTrue(count >= 2 && count < 5);
220 <        joinPool(p1);
478 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
479 >        assertTrue(p.isTerminated());
480      }
481  
482      /**
483 <     *  shutDownNow returns a list containing tasks that were not run
483 >     * isTerminating is not true when running or when terminated
484       */
485 <    public void testShutDownNow() {
486 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
485 >    public void testIsTerminating() throws InterruptedException {
486 >        final ThreadPoolExecutor p =
487 >            new ThreadPoolExecutor(1, 1,
488 >                                   LONG_DELAY_MS, MILLISECONDS,
489 >                                   new ArrayBlockingQueue<Runnable>(10));
490 >        final CountDownLatch threadStarted = new CountDownLatch(1);
491 >        final CountDownLatch done = new CountDownLatch(1);
492 >        try {
493 >            assertFalse(p.isTerminating());
494 >            p.execute(new CheckedRunnable() {
495 >                public void realRun() throws InterruptedException {
496 >                    assertFalse(p.isTerminating());
497 >                    threadStarted.countDown();
498 >                    done.await();
499 >                }});
500 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
501 >            assertFalse(p.isTerminating());
502 >            done.countDown();
503 >        } finally {
504 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
505 >        }
506 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
507 >        assertTrue(p.isTerminated());
508 >        assertFalse(p.isTerminating());
509 >    }
510 >
511 >    /**
512 >     * getQueue returns the work queue, which contains queued tasks
513 >     */
514 >    public void testGetQueue() throws InterruptedException {
515 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
516 >        final ThreadPoolExecutor p =
517 >            new ThreadPoolExecutor(1, 1,
518 >                                   LONG_DELAY_MS, MILLISECONDS,
519 >                                   q);
520 >        final CountDownLatch threadStarted = new CountDownLatch(1);
521 >        final CountDownLatch done = new CountDownLatch(1);
522 >        try {
523 >            FutureTask[] tasks = new FutureTask[5];
524 >            for (int i = 0; i < tasks.length; i++) {
525 >                Callable task = new CheckedCallable<Boolean>() {
526 >                    public Boolean realCall() throws InterruptedException {
527 >                        threadStarted.countDown();
528 >                        assertSame(q, p.getQueue());
529 >                        done.await();
530 >                        return Boolean.TRUE;
531 >                    }};
532 >                tasks[i] = new FutureTask(task);
533 >                p.execute(tasks[i]);
534 >            }
535 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
536 >            assertSame(q, p.getQueue());
537 >            assertFalse(q.contains(tasks[0]));
538 >            assertTrue(q.contains(tasks[tasks.length - 1]));
539 >            assertEquals(tasks.length - 1, q.size());
540 >        } finally {
541 >            done.countDown();
542 >            joinPool(p);
543 >        }
544 >    }
545 >
546 >    /**
547 >     * remove(task) removes queued task, and fails to remove active task
548 >     */
549 >    public void testRemove() throws InterruptedException {
550 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
551 >        final ThreadPoolExecutor p =
552 >            new ThreadPoolExecutor(1, 1,
553 >                                   LONG_DELAY_MS, MILLISECONDS,
554 >                                   q);
555 >        Runnable[] tasks = new Runnable[5];
556 >        final CountDownLatch threadStarted = new CountDownLatch(1);
557 >        final CountDownLatch done = new CountDownLatch(1);
558 >        try {
559 >            for (int i = 0; i < tasks.length; i++) {
560 >                tasks[i] = new CheckedRunnable() {
561 >                    public void realRun() throws InterruptedException {
562 >                        threadStarted.countDown();
563 >                        done.await();
564 >                    }};
565 >                p.execute(tasks[i]);
566 >            }
567 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
568 >            assertFalse(p.remove(tasks[0]));
569 >            assertTrue(q.contains(tasks[4]));
570 >            assertTrue(q.contains(tasks[3]));
571 >            assertTrue(p.remove(tasks[4]));
572 >            assertFalse(p.remove(tasks[4]));
573 >            assertFalse(q.contains(tasks[4]));
574 >            assertTrue(q.contains(tasks[3]));
575 >            assertTrue(p.remove(tasks[3]));
576 >            assertFalse(q.contains(tasks[3]));
577 >        } finally {
578 >            done.countDown();
579 >            joinPool(p);
580 >        }
581 >    }
582 >
583 >    /**
584 >     * purge removes cancelled tasks from the queue
585 >     */
586 >    public void testPurge() throws InterruptedException {
587 >        final CountDownLatch threadStarted = new CountDownLatch(1);
588 >        final CountDownLatch done = new CountDownLatch(1);
589 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
590 >        final ThreadPoolExecutor p =
591 >            new ThreadPoolExecutor(1, 1,
592 >                                   LONG_DELAY_MS, MILLISECONDS,
593 >                                   q);
594 >        FutureTask[] tasks = new FutureTask[5];
595 >        try {
596 >            for (int i = 0; i < tasks.length; i++) {
597 >                Callable task = new CheckedCallable<Boolean>() {
598 >                    public Boolean realCall() throws InterruptedException {
599 >                        threadStarted.countDown();
600 >                        done.await();
601 >                        return Boolean.TRUE;
602 >                    }};
603 >                tasks[i] = new FutureTask(task);
604 >                p.execute(tasks[i]);
605 >            }
606 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
607 >            assertEquals(tasks.length, p.getTaskCount());
608 >            assertEquals(tasks.length - 1, q.size());
609 >            assertEquals(1L, p.getActiveCount());
610 >            assertEquals(0L, p.getCompletedTaskCount());
611 >            tasks[4].cancel(true);
612 >            tasks[3].cancel(false);
613 >            p.purge();
614 >            assertEquals(tasks.length - 3, q.size());
615 >            assertEquals(tasks.length - 2, p.getTaskCount());
616 >            p.purge();         // Nothing to do
617 >            assertEquals(tasks.length - 3, q.size());
618 >            assertEquals(tasks.length - 2, p.getTaskCount());
619 >        } finally {
620 >            done.countDown();
621 >            joinPool(p);
622 >        }
623 >    }
624 >
625 >    /**
626 >     * shutdownNow returns a list containing tasks that were not run
627 >     */
628 >    public void testShutdownNow() {
629 >        final ThreadPoolExecutor p =
630 >            new ThreadPoolExecutor(1, 1,
631 >                                   LONG_DELAY_MS, MILLISECONDS,
632 >                                   new ArrayBlockingQueue<Runnable>(10));
633          List l;
634          try {
635 <            for(int i = 0; i < 5; i++)
636 <                p1.execute(new MediumPossiblyInterruptedRunnable());
635 >            for (int i = 0; i < 5; i++)
636 >                p.execute(new MediumPossiblyInterruptedRunnable());
637          }
638          finally {
639 <            l = p1.shutdownNow();
639 >            try {
640 >                l = p.shutdownNow();
641 >            } catch (SecurityException ok) { return; }
642          }
643 <        assertTrue(p1.isShutdown());
644 <        assertTrue(l.size() <= 4);
643 >        assertTrue(p.isShutdown());
644 >        assertTrue(l.size() <= 4);
645      }
646  
647      // Exception Tests
241    
648  
649 <    /**
650 <     * Constructor throws if corePoolSize argument is less than zero
649 >    /**
650 >     * Constructor throws if corePoolSize argument is less than zero
651       */
652      public void testConstructor1() {
653          try {
654 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
654 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
655 >                                   new ArrayBlockingQueue<Runnable>(10));
656              shouldThrow();
657 <        }
251 <        catch (IllegalArgumentException success){}
657 >        } catch (IllegalArgumentException success) {}
658      }
659 <    
660 <    /**
661 <     * Constructor throws if maximumPoolSize is less than zero
659 >
660 >    /**
661 >     * Constructor throws if maximumPoolSize is less than zero
662       */
663      public void testConstructor2() {
664          try {
665 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
665 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
666 >                                   new ArrayBlockingQueue<Runnable>(10));
667              shouldThrow();
668 <        }
262 <        catch (IllegalArgumentException success){}
668 >        } catch (IllegalArgumentException success) {}
669      }
670 <    
671 <    /**
672 <     * Constructor throws if maximumPoolSize is equal to zero
670 >
671 >    /**
672 >     * Constructor throws if maximumPoolSize is equal to zero
673       */
674      public void testConstructor3() {
675          try {
676 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
676 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
677 >                                   new ArrayBlockingQueue<Runnable>(10));
678              shouldThrow();
679 <        }
273 <        catch (IllegalArgumentException success){}
679 >        } catch (IllegalArgumentException success) {}
680      }
681  
682 <    /**
683 <     * Constructor throws if keepAliveTime is less than zero
682 >    /**
683 >     * Constructor throws if keepAliveTime is less than zero
684       */
685      public void testConstructor4() {
686          try {
687 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
687 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
688 >                                   new ArrayBlockingQueue<Runnable>(10));
689              shouldThrow();
690 <        }
284 <        catch (IllegalArgumentException success){}
690 >        } catch (IllegalArgumentException success) {}
691      }
692  
693 <    /**
694 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
693 >    /**
694 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
695       */
696      public void testConstructor5() {
697          try {
698 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
698 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
699 >                                   new ArrayBlockingQueue<Runnable>(10));
700              shouldThrow();
701 <        }
295 <        catch (IllegalArgumentException success){}
701 >        } catch (IllegalArgumentException success) {}
702      }
703 <        
704 <    /**
705 <     * Constructor throws if workQueue is set to null
703 >
704 >    /**
705 >     * Constructor throws if workQueue is set to null
706       */
707 <    public void testNullPointerException() {
707 >    public void testConstructorNullPointerException() {
708          try {
709 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
709 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
710 >                                   (BlockingQueue) null);
711              shouldThrow();
712 <        }
306 <        catch (NullPointerException success){}  
712 >        } catch (NullPointerException success) {}
713      }
308    
714  
715 <    
716 <    /**
312 <     * Constructor throws if corePoolSize argument is less than zero
715 >    /**
716 >     * Constructor throws if corePoolSize argument is less than zero
717       */
718      public void testConstructor6() {
719          try {
720 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
720 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
721 >                                   new ArrayBlockingQueue<Runnable>(10),
722 >                                   new SimpleThreadFactory());
723              shouldThrow();
724 <        } catch (IllegalArgumentException success){}
724 >        } catch (IllegalArgumentException success) {}
725      }
726 <    
727 <    /**
728 <     * Constructor throws if maximumPoolSize is less than zero
726 >
727 >    /**
728 >     * Constructor throws if maximumPoolSize is less than zero
729       */
730      public void testConstructor7() {
731          try {
732 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
732 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
733 >                                   new ArrayBlockingQueue<Runnable>(10),
734 >                                   new SimpleThreadFactory());
735              shouldThrow();
736 <        }
329 <        catch (IllegalArgumentException success){}
736 >        } catch (IllegalArgumentException success) {}
737      }
738  
739 <    /**
740 <     * Constructor throws if maximumPoolSize is equal to zero
739 >    /**
740 >     * Constructor throws if maximumPoolSize is equal to zero
741       */
742      public void testConstructor8() {
743          try {
744 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
744 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
745 >                                   new ArrayBlockingQueue<Runnable>(10),
746 >                                   new SimpleThreadFactory());
747              shouldThrow();
748 <        }
340 <        catch (IllegalArgumentException success){}
748 >        } catch (IllegalArgumentException success) {}
749      }
750  
751 <    /**
752 <     * Constructor throws if keepAliveTime is less than zero
751 >    /**
752 >     * Constructor throws if keepAliveTime is less than zero
753       */
754      public void testConstructor9() {
755          try {
756 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
756 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
757 >                                   new ArrayBlockingQueue<Runnable>(10),
758 >                                   new SimpleThreadFactory());
759              shouldThrow();
760 <        }
351 <        catch (IllegalArgumentException success){}
760 >        } catch (IllegalArgumentException success) {}
761      }
762  
763 <    /**
764 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
763 >    /**
764 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
765       */
766      public void testConstructor10() {
767          try {
768 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
768 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
769 >                                   new ArrayBlockingQueue<Runnable>(10),
770 >                                   new SimpleThreadFactory());
771              shouldThrow();
772 <        }
362 <        catch (IllegalArgumentException success){}
772 >        } catch (IllegalArgumentException success) {}
773      }
774  
775 <    /**
776 <     * Constructor throws if workQueue is set to null
775 >    /**
776 >     * Constructor throws if workQueue is set to null
777       */
778 <    public void testNullPointerException2() {
778 >    public void testConstructorNullPointerException2() {
779          try {
780 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
780 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
781 >                                   (BlockingQueue) null,
782 >                                   new SimpleThreadFactory());
783              shouldThrow();
784 <        }
373 <        catch (NullPointerException success){}  
784 >        } catch (NullPointerException success) {}
785      }
786  
787 <    /**
788 <     * Constructor throws if threadFactory is set to null
787 >    /**
788 >     * Constructor throws if threadFactory is set to null
789       */
790 <    public void testNullPointerException3() {
790 >    public void testConstructorNullPointerException3() {
791          try {
792 <            ThreadFactory f = null;
793 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
792 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
793 >                                   new ArrayBlockingQueue<Runnable>(10),
794 >                                   (ThreadFactory) null);
795              shouldThrow();
796 <        }
385 <        catch (NullPointerException success){}  
796 >        } catch (NullPointerException success) {}
797      }
798 <
799 <    
800 <    /**
390 <     * Constructor throws if corePoolSize argument is less than zero
798 >
799 >    /**
800 >     * Constructor throws if corePoolSize argument is less than zero
801       */
802      public void testConstructor11() {
803          try {
804 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
804 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
805 >                                   new ArrayBlockingQueue<Runnable>(10),
806 >                                   new NoOpREHandler());
807              shouldThrow();
808 <        }
397 <        catch (IllegalArgumentException success){}
808 >        } catch (IllegalArgumentException success) {}
809      }
810  
811 <    /**
812 <     * Constructor throws if maximumPoolSize is less than zero
811 >    /**
812 >     * Constructor throws if maximumPoolSize is less than zero
813       */
814      public void testConstructor12() {
815          try {
816 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
816 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
817 >                                   new ArrayBlockingQueue<Runnable>(10),
818 >                                   new NoOpREHandler());
819              shouldThrow();
820 <        }
408 <        catch (IllegalArgumentException success){}
820 >        } catch (IllegalArgumentException success) {}
821      }
822  
823 <    /**
824 <     * Constructor throws if maximumPoolSize is equal to zero
823 >    /**
824 >     * Constructor throws if maximumPoolSize is equal to zero
825       */
826      public void testConstructor13() {
827          try {
828 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
828 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
829 >                                   new ArrayBlockingQueue<Runnable>(10),
830 >                                   new NoOpREHandler());
831              shouldThrow();
832 <        }
419 <        catch (IllegalArgumentException success){}
832 >        } catch (IllegalArgumentException success) {}
833      }
834  
835 <    /**
836 <     * Constructor throws if keepAliveTime is less than zero
835 >    /**
836 >     * Constructor throws if keepAliveTime is less than zero
837       */
838      public void testConstructor14() {
839          try {
840 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
840 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
841 >                                   new ArrayBlockingQueue<Runnable>(10),
842 >                                   new NoOpREHandler());
843              shouldThrow();
844 <        }
430 <        catch (IllegalArgumentException success){}
844 >        } catch (IllegalArgumentException success) {}
845      }
846  
847 <    /**
848 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
847 >    /**
848 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
849       */
850      public void testConstructor15() {
851          try {
852 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
852 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
853 >                                   new ArrayBlockingQueue<Runnable>(10),
854 >                                   new NoOpREHandler());
855 >            shouldThrow();
856 >        } catch (IllegalArgumentException success) {}
857 >    }
858 >
859 >    /**
860 >     * Constructor throws if workQueue is set to null
861 >     */
862 >    public void testConstructorNullPointerException4() {
863 >        try {
864 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
865 >                                   (BlockingQueue) null,
866 >                                   new NoOpREHandler());
867 >            shouldThrow();
868 >        } catch (NullPointerException success) {}
869 >    }
870 >
871 >    /**
872 >     * Constructor throws if handler is set to null
873 >     */
874 >    public void testConstructorNullPointerException5() {
875 >        try {
876 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
877 >                                   new ArrayBlockingQueue<Runnable>(10),
878 >                                   (RejectedExecutionHandler) null);
879 >            shouldThrow();
880 >        } catch (NullPointerException success) {}
881 >    }
882 >
883 >    /**
884 >     * Constructor throws if corePoolSize argument is less than zero
885 >     */
886 >    public void testConstructor16() {
887 >        try {
888 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
889 >                                   new ArrayBlockingQueue<Runnable>(10),
890 >                                   new SimpleThreadFactory(),
891 >                                   new NoOpREHandler());
892 >            shouldThrow();
893 >        } catch (IllegalArgumentException success) {}
894 >    }
895 >
896 >    /**
897 >     * Constructor throws if maximumPoolSize is less than zero
898 >     */
899 >    public void testConstructor17() {
900 >        try {
901 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
902 >                                   new ArrayBlockingQueue<Runnable>(10),
903 >                                   new SimpleThreadFactory(),
904 >                                   new NoOpREHandler());
905 >            shouldThrow();
906 >        } catch (IllegalArgumentException success) {}
907 >    }
908 >
909 >    /**
910 >     * Constructor throws if maximumPoolSize is equal to zero
911 >     */
912 >    public void testConstructor18() {
913 >        try {
914 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
915 >                                   new ArrayBlockingQueue<Runnable>(10),
916 >                                   new SimpleThreadFactory(),
917 >                                   new NoOpREHandler());
918 >            shouldThrow();
919 >        } catch (IllegalArgumentException success) {}
920 >    }
921 >
922 >    /**
923 >     * Constructor throws if keepAliveTime is less than zero
924 >     */
925 >    public void testConstructor19() {
926 >        try {
927 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
928 >                                   new ArrayBlockingQueue<Runnable>(10),
929 >                                   new SimpleThreadFactory(),
930 >                                   new NoOpREHandler());
931 >            shouldThrow();
932 >        } catch (IllegalArgumentException success) {}
933 >    }
934 >
935 >    /**
936 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
937 >     */
938 >    public void testConstructor20() {
939 >        try {
940 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
941 >                                   new ArrayBlockingQueue<Runnable>(10),
942 >                                   new SimpleThreadFactory(),
943 >                                   new NoOpREHandler());
944 >            shouldThrow();
945 >        } catch (IllegalArgumentException success) {}
946 >    }
947 >
948 >    /**
949 >     * Constructor throws if workQueue is null
950 >     */
951 >    public void testConstructorNullPointerException6() {
952 >        try {
953 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
954 >                                   (BlockingQueue) null,
955 >                                   new SimpleThreadFactory(),
956 >                                   new NoOpREHandler());
957              shouldThrow();
958 +        } catch (NullPointerException success) {}
959 +    }
960 +
961 +    /**
962 +     * Constructor throws if handler is null
963 +     */
964 +    public void testConstructorNullPointerException7() {
965 +        try {
966 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
967 +                                   new ArrayBlockingQueue<Runnable>(10),
968 +                                   new SimpleThreadFactory(),
969 +                                   (RejectedExecutionHandler) null);
970 +            shouldThrow();
971 +        } catch (NullPointerException success) {}
972 +    }
973 +
974 +    /**
975 +     * Constructor throws if ThreadFactory is null
976 +     */
977 +    public void testConstructorNullPointerException8() {
978 +        try {
979 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
980 +                                   new ArrayBlockingQueue<Runnable>(10),
981 +                                   (ThreadFactory) null,
982 +                                   new NoOpREHandler());
983 +            shouldThrow();
984 +        } catch (NullPointerException success) {}
985 +    }
986 +
987 +    /**
988 +     * get of submitted callable throws InterruptedException if interrupted
989 +     */
990 +    public void testInterruptedSubmit() throws InterruptedException {
991 +        final ThreadPoolExecutor p =
992 +            new ThreadPoolExecutor(1, 1,
993 +                                   60, TimeUnit.SECONDS,
994 +                                   new ArrayBlockingQueue<Runnable>(10));
995 +
996 +        final CountDownLatch threadStarted = new CountDownLatch(1);
997 +        final CountDownLatch done = new CountDownLatch(1);
998 +        try {
999 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1000 +                public void realRun() throws Exception {
1001 +                    Callable task = new CheckedCallable<Boolean>() {
1002 +                        public Boolean realCall() throws InterruptedException {
1003 +                            threadStarted.countDown();
1004 +                            done.await();
1005 +                            return Boolean.TRUE;
1006 +                        }};
1007 +                    p.submit(task).get();
1008 +                }});
1009 +
1010 +            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1011 +            t.interrupt();
1012 +            awaitTermination(t, MEDIUM_DELAY_MS);
1013 +        } finally {
1014 +            done.countDown();
1015 +            joinPool(p);
1016 +        }
1017 +    }
1018 +
1019 +    /**
1020 +     * execute throws RejectedExecutionException if saturated.
1021 +     */
1022 +    public void testSaturatedExecute() {
1023 +        ThreadPoolExecutor p =
1024 +            new ThreadPoolExecutor(1, 1,
1025 +                                   LONG_DELAY_MS, MILLISECONDS,
1026 +                                   new ArrayBlockingQueue<Runnable>(1));
1027 +        final CountDownLatch done = new CountDownLatch(1);
1028 +        try {
1029 +            Runnable task = new CheckedRunnable() {
1030 +                public void realRun() throws InterruptedException {
1031 +                    done.await();
1032 +                }};
1033 +            for (int i = 0; i < 2; ++i)
1034 +                p.execute(task);
1035 +            for (int i = 0; i < 2; ++i) {
1036 +                try {
1037 +                    p.execute(task);
1038 +                    shouldThrow();
1039 +                } catch (RejectedExecutionException success) {}
1040 +                assertTrue(p.getTaskCount() <= 2);
1041 +            }
1042 +        } finally {
1043 +            done.countDown();
1044 +            joinPool(p);
1045          }
441        catch (IllegalArgumentException success){}
1046      }
1047  
1048 <    /**
1049 <     * Constructor throws if workQueue is set to null
1048 >    /**
1049 >     * submit(runnable) throws RejectedExecutionException if saturated.
1050       */
1051 <    public void testNullPointerException4() {
1051 >    public void testSaturatedSubmitRunnable() {
1052 >        ThreadPoolExecutor p =
1053 >            new ThreadPoolExecutor(1, 1,
1054 >                                   LONG_DELAY_MS, MILLISECONDS,
1055 >                                   new ArrayBlockingQueue<Runnable>(1));
1056 >        final CountDownLatch done = new CountDownLatch(1);
1057 >        try {
1058 >            Runnable task = new CheckedRunnable() {
1059 >                public void realRun() throws InterruptedException {
1060 >                    done.await();
1061 >                }};
1062 >            for (int i = 0; i < 2; ++i)
1063 >                p.submit(task);
1064 >            for (int i = 0; i < 2; ++i) {
1065 >                try {
1066 >                    p.execute(task);
1067 >                    shouldThrow();
1068 >                } catch (RejectedExecutionException success) {}
1069 >                assertTrue(p.getTaskCount() <= 2);
1070 >            }
1071 >        } finally {
1072 >            done.countDown();
1073 >            joinPool(p);
1074 >        }
1075 >    }
1076 >
1077 >    /**
1078 >     * submit(callable) throws RejectedExecutionException if saturated.
1079 >     */
1080 >    public void testSaturatedSubmitCallable() {
1081 >        ThreadPoolExecutor p =
1082 >            new ThreadPoolExecutor(1, 1,
1083 >                                   LONG_DELAY_MS, MILLISECONDS,
1084 >                                   new ArrayBlockingQueue<Runnable>(1));
1085 >        final CountDownLatch done = new CountDownLatch(1);
1086 >        try {
1087 >            Runnable task = new CheckedRunnable() {
1088 >                public void realRun() throws InterruptedException {
1089 >                    done.await();
1090 >                }};
1091 >            for (int i = 0; i < 2; ++i)
1092 >                p.submit(Executors.callable(task));
1093 >            for (int i = 0; i < 2; ++i) {
1094 >                try {
1095 >                    p.execute(task);
1096 >                    shouldThrow();
1097 >                } catch (RejectedExecutionException success) {}
1098 >                assertTrue(p.getTaskCount() <= 2);
1099 >            }
1100 >        } finally {
1101 >            done.countDown();
1102 >            joinPool(p);
1103 >        }
1104 >    }
1105 >
1106 >    /**
1107 >     * executor using CallerRunsPolicy runs task if saturated.
1108 >     */
1109 >    public void testSaturatedExecute2() {
1110 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1111 >        final ThreadPoolExecutor p =
1112 >            new ThreadPoolExecutor(1, 1,
1113 >                                   LONG_DELAY_MS,
1114 >                                   MILLISECONDS,
1115 >                                   new ArrayBlockingQueue<Runnable>(1),
1116 >                                   h);
1117 >        try {
1118 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1119 >            for (int i = 0; i < tasks.length; ++i)
1120 >                tasks[i] = new TrackedNoOpRunnable();
1121 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1122 >            p.execute(mr);
1123 >            for (int i = 0; i < tasks.length; ++i)
1124 >                p.execute(tasks[i]);
1125 >            for (int i = 1; i < tasks.length; ++i)
1126 >                assertTrue(tasks[i].done);
1127 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1128 >        } finally {
1129 >            joinPool(p);
1130 >        }
1131 >    }
1132 >
1133 >    /**
1134 >     * executor using DiscardPolicy drops task if saturated.
1135 >     */
1136 >    public void testSaturatedExecute3() {
1137 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1138 >        final ThreadPoolExecutor p =
1139 >            new ThreadPoolExecutor(1, 1,
1140 >                                   LONG_DELAY_MS, MILLISECONDS,
1141 >                                   new ArrayBlockingQueue<Runnable>(1),
1142 >                                   h);
1143 >        try {
1144 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145 >            for (int i = 0; i < tasks.length; ++i)
1146 >                tasks[i] = new TrackedNoOpRunnable();
1147 >            p.execute(new TrackedLongRunnable());
1148 >            for (TrackedNoOpRunnable task : tasks)
1149 >                p.execute(task);
1150 >            for (TrackedNoOpRunnable task : tasks)
1151 >                assertFalse(task.done);
1152 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1153 >        } finally {
1154 >            joinPool(p);
1155 >        }
1156 >    }
1157 >
1158 >    /**
1159 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1160 >     */
1161 >    public void testSaturatedExecute4() {
1162 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1163 >        final ThreadPoolExecutor p =
1164 >            new ThreadPoolExecutor(1, 1,
1165 >                                   LONG_DELAY_MS, MILLISECONDS,
1166 >                                   new ArrayBlockingQueue<Runnable>(1),
1167 >                                   h);
1168 >        try {
1169 >            p.execute(new TrackedLongRunnable());
1170 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1171 >            p.execute(r2);
1172 >            assertTrue(p.getQueue().contains(r2));
1173 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1174 >            p.execute(r3);
1175 >            assertFalse(p.getQueue().contains(r2));
1176 >            assertTrue(p.getQueue().contains(r3));
1177 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1178 >        } finally {
1179 >            joinPool(p);
1180 >        }
1181 >    }
1182 >
1183 >    /**
1184 >     * execute throws RejectedExecutionException if shutdown
1185 >     */
1186 >    public void testRejectedExecutionExceptionOnShutdown() {
1187 >        ThreadPoolExecutor p =
1188 >            new ThreadPoolExecutor(1, 1,
1189 >                                   LONG_DELAY_MS, MILLISECONDS,
1190 >                                   new ArrayBlockingQueue<Runnable>(1));
1191 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1192          try {
1193 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
1193 >            p.execute(new NoOpRunnable());
1194              shouldThrow();
1195 +        } catch (RejectedExecutionException success) {}
1196 +
1197 +        joinPool(p);
1198 +    }
1199 +
1200 +    /**
1201 +     * execute using CallerRunsPolicy drops task on shutdown
1202 +     */
1203 +    public void testCallerRunsOnShutdown() {
1204 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1205 +        final ThreadPoolExecutor p =
1206 +            new ThreadPoolExecutor(1, 1,
1207 +                                   LONG_DELAY_MS, MILLISECONDS,
1208 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1209 +
1210 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1211 +        try {
1212 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1213 +            p.execute(r);
1214 +            assertFalse(r.done);
1215 +        } finally {
1216 +            joinPool(p);
1217 +        }
1218 +    }
1219 +
1220 +    /**
1221 +     * execute using DiscardPolicy drops task on shutdown
1222 +     */
1223 +    public void testDiscardOnShutdown() {
1224 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1225 +        ThreadPoolExecutor p =
1226 +            new ThreadPoolExecutor(1, 1,
1227 +                                   LONG_DELAY_MS, MILLISECONDS,
1228 +                                   new ArrayBlockingQueue<Runnable>(1),
1229 +                                   h);
1230 +
1231 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1232 +        try {
1233 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1234 +            p.execute(r);
1235 +            assertFalse(r.done);
1236 +        } finally {
1237 +            joinPool(p);
1238          }
452        catch (NullPointerException success){}  
1239      }
1240  
1241 <    /**
1242 <     * Constructor throws if handler is set to null
1241 >    /**
1242 >     * execute using DiscardOldestPolicy drops task on shutdown
1243       */
1244 <    public void testNullPointerException5() {
1244 >    public void testDiscardOldestOnShutdown() {
1245 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1246 >        ThreadPoolExecutor p =
1247 >            new ThreadPoolExecutor(1, 1,
1248 >                                   LONG_DELAY_MS, MILLISECONDS,
1249 >                                   new ArrayBlockingQueue<Runnable>(1),
1250 >                                   h);
1251 >
1252 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1253          try {
1254 <            RejectedExecutionHandler r = null;
1255 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1254 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1255 >            p.execute(r);
1256 >            assertFalse(r.done);
1257 >        } finally {
1258 >            joinPool(p);
1259 >        }
1260 >    }
1261 >
1262 >    /**
1263 >     * execute(null) throws NPE
1264 >     */
1265 >    public void testExecuteNull() {
1266 >        ThreadPoolExecutor p =
1267 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1268 >                                   new ArrayBlockingQueue<Runnable>(10));
1269 >        try {
1270 >            p.execute(null);
1271 >            shouldThrow();
1272 >        } catch (NullPointerException success) {}
1273 >
1274 >        joinPool(p);
1275 >    }
1276 >
1277 >    /**
1278 >     * setCorePoolSize of negative value throws IllegalArgumentException
1279 >     */
1280 >    public void testCorePoolSizeIllegalArgumentException() {
1281 >        ThreadPoolExecutor p =
1282 >            new ThreadPoolExecutor(1, 2,
1283 >                                   LONG_DELAY_MS, MILLISECONDS,
1284 >                                   new ArrayBlockingQueue<Runnable>(10));
1285 >        try {
1286 >            p.setCorePoolSize(-1);
1287              shouldThrow();
1288 +        } catch (IllegalArgumentException success) {
1289 +        } finally {
1290 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1291          }
1292 <        catch (NullPointerException success){}  
1292 >        joinPool(p);
1293      }
1294  
1295 <    
1296 <    /**
1297 <     * Constructor throws if corePoolSize argument is less than zero
1295 >    /**
1296 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1297 >     * given a value less the core pool size
1298       */
1299 <    public void testConstructor16() {
1299 >    public void testMaximumPoolSizeIllegalArgumentException() {
1300 >        ThreadPoolExecutor p =
1301 >            new ThreadPoolExecutor(2, 3,
1302 >                                   LONG_DELAY_MS, MILLISECONDS,
1303 >                                   new ArrayBlockingQueue<Runnable>(10));
1304          try {
1305 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1305 >            p.setMaximumPoolSize(1);
1306              shouldThrow();
1307 +        } catch (IllegalArgumentException success) {
1308 +        } finally {
1309 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1310          }
1311 <        catch (IllegalArgumentException success){}
1311 >        joinPool(p);
1312      }
1313  
1314 <    /**
1315 <     * Constructor throws if maximumPoolSize is less than zero
1314 >    /**
1315 >     * setMaximumPoolSize throws IllegalArgumentException
1316 >     * if given a negative value
1317       */
1318 <    public void testConstructor17() {
1318 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1319 >        ThreadPoolExecutor p =
1320 >            new ThreadPoolExecutor(2, 3,
1321 >                                   LONG_DELAY_MS, MILLISECONDS,
1322 >                                   new ArrayBlockingQueue<Runnable>(10));
1323          try {
1324 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1324 >            p.setMaximumPoolSize(-1);
1325              shouldThrow();
1326 +        } catch (IllegalArgumentException success) {
1327 +        } finally {
1328 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1329          }
1330 <        catch (IllegalArgumentException success){}
1330 >        joinPool(p);
1331      }
1332  
1333 <    /**
1334 <     * Constructor throws if maximumPoolSize is equal to zero
1333 >    /**
1334 >     * Configuration changes that allow core pool size greater than
1335 >     * max pool size result in IllegalArgumentException.
1336       */
1337 <    public void testConstructor18() {
1337 >    public void testPoolSizeInvariants() {
1338 >        ThreadPoolExecutor p =
1339 >            new ThreadPoolExecutor(1, 1,
1340 >                                   LONG_DELAY_MS, MILLISECONDS,
1341 >                                   new ArrayBlockingQueue<Runnable>(10));
1342 >        for (int s = 1; s < 5; s++) {
1343 >            p.setMaximumPoolSize(s);
1344 >            p.setCorePoolSize(s);
1345 >            try {
1346 >                p.setMaximumPoolSize(s - 1);
1347 >                shouldThrow();
1348 >            } catch (IllegalArgumentException success) {}
1349 >            assertEquals(s, p.getCorePoolSize());
1350 >            assertEquals(s, p.getMaximumPoolSize());
1351 >            try {
1352 >                p.setCorePoolSize(s + 1);
1353 >                shouldThrow();
1354 >            } catch (IllegalArgumentException success) {}
1355 >            assertEquals(s, p.getCorePoolSize());
1356 >            assertEquals(s, p.getMaximumPoolSize());
1357 >        }
1358 >        joinPool(p);
1359 >    }
1360 >
1361 >    /**
1362 >     * setKeepAliveTime throws IllegalArgumentException
1363 >     * when given a negative value
1364 >     */
1365 >    public void testKeepAliveTimeIllegalArgumentException() {
1366 >        ThreadPoolExecutor p =
1367 >            new ThreadPoolExecutor(2, 3,
1368 >                                   LONG_DELAY_MS, MILLISECONDS,
1369 >                                   new ArrayBlockingQueue<Runnable>(10));
1370          try {
1371 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1371 >            p.setKeepAliveTime(-1,MILLISECONDS);
1372              shouldThrow();
1373 +        } catch (IllegalArgumentException success) {
1374 +        } finally {
1375 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1376          }
1377 <        catch (IllegalArgumentException success){}
1377 >        joinPool(p);
1378      }
1379  
1380 <    /**
1381 <     * Constructor throws if keepAliveTime is less than zero
1380 >    /**
1381 >     * terminated() is called on termination
1382       */
1383 <    public void testConstructor19() {
1383 >    public void testTerminated() {
1384 >        ExtendedTPE p = new ExtendedTPE();
1385 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1386 >        assertTrue(p.terminatedCalled());
1387 >        joinPool(p);
1388 >    }
1389 >
1390 >    /**
1391 >     * beforeExecute and afterExecute are called when executing task
1392 >     */
1393 >    public void testBeforeAfter() throws InterruptedException {
1394 >        ExtendedTPE p = new ExtendedTPE();
1395 >        try {
1396 >            final CountDownLatch done = new CountDownLatch(1);
1397 >            p.execute(new CheckedRunnable() {
1398 >                public void realRun() {
1399 >                    done.countDown();
1400 >                }});
1401 >            await(p.afterCalled);
1402 >            assertEquals(0, done.getCount());
1403 >            assertTrue(p.afterCalled());
1404 >            assertTrue(p.beforeCalled());
1405 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1406 >        } finally {
1407 >            joinPool(p);
1408 >        }
1409 >    }
1410 >
1411 >    /**
1412 >     * completed submit of callable returns result
1413 >     */
1414 >    public void testSubmitCallable() throws Exception {
1415 >        ExecutorService e =
1416 >            new ThreadPoolExecutor(2, 2,
1417 >                                   LONG_DELAY_MS, MILLISECONDS,
1418 >                                   new ArrayBlockingQueue<Runnable>(10));
1419 >        try {
1420 >            Future<String> future = e.submit(new StringTask());
1421 >            String result = future.get();
1422 >            assertSame(TEST_STRING, result);
1423 >        } finally {
1424 >            joinPool(e);
1425 >        }
1426 >    }
1427 >
1428 >    /**
1429 >     * completed submit of runnable returns successfully
1430 >     */
1431 >    public void testSubmitRunnable() throws Exception {
1432 >        ExecutorService e =
1433 >            new ThreadPoolExecutor(2, 2,
1434 >                                   LONG_DELAY_MS, MILLISECONDS,
1435 >                                   new ArrayBlockingQueue<Runnable>(10));
1436          try {
1437 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1437 >            Future<?> future = e.submit(new NoOpRunnable());
1438 >            future.get();
1439 >            assertTrue(future.isDone());
1440 >        } finally {
1441 >            joinPool(e);
1442 >        }
1443 >    }
1444 >
1445 >    /**
1446 >     * completed submit of (runnable, result) returns result
1447 >     */
1448 >    public void testSubmitRunnable2() throws Exception {
1449 >        ExecutorService e =
1450 >            new ThreadPoolExecutor(2, 2,
1451 >                                   LONG_DELAY_MS, MILLISECONDS,
1452 >                                   new ArrayBlockingQueue<Runnable>(10));
1453 >        try {
1454 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1455 >            String result = future.get();
1456 >            assertSame(TEST_STRING, result);
1457 >        } finally {
1458 >            joinPool(e);
1459 >        }
1460 >    }
1461 >
1462 >    /**
1463 >     * invokeAny(null) throws NPE
1464 >     */
1465 >    public void testInvokeAny1() throws Exception {
1466 >        ExecutorService e =
1467 >            new ThreadPoolExecutor(2, 2,
1468 >                                   LONG_DELAY_MS, MILLISECONDS,
1469 >                                   new ArrayBlockingQueue<Runnable>(10));
1470 >        try {
1471 >            e.invokeAny(null);
1472              shouldThrow();
1473 +        } catch (NullPointerException success) {
1474 +        } finally {
1475 +            joinPool(e);
1476          }
509        catch (IllegalArgumentException success){}
1477      }
1478  
1479 <    /**
1480 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
1479 >    /**
1480 >     * invokeAny(empty collection) throws IAE
1481       */
1482 <    public void testConstructor20() {
1482 >    public void testInvokeAny2() throws Exception {
1483 >        ExecutorService e =
1484 >            new ThreadPoolExecutor(2, 2,
1485 >                                   LONG_DELAY_MS, MILLISECONDS,
1486 >                                   new ArrayBlockingQueue<Runnable>(10));
1487          try {
1488 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
1488 >            e.invokeAny(new ArrayList<Callable<String>>());
1489              shouldThrow();
1490 +        } catch (IllegalArgumentException success) {
1491 +        } finally {
1492 +            joinPool(e);
1493          }
520        catch (IllegalArgumentException success){}
1494      }
1495  
1496 <    /**
1497 <     * Constructor throws if workQueue is set to null
1496 >    /**
1497 >     * invokeAny(c) throws NPE if c has null elements
1498       */
1499 <    public void testNullPointerException6() {
1499 >    public void testInvokeAny3() throws Exception {
1500 >        final CountDownLatch latch = new CountDownLatch(1);
1501 >        final ExecutorService e =
1502 >            new ThreadPoolExecutor(2, 2,
1503 >                                   LONG_DELAY_MS, MILLISECONDS,
1504 >                                   new ArrayBlockingQueue<Runnable>(10));
1505 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1506 >        l.add(latchAwaitingStringTask(latch));
1507 >        l.add(null);
1508          try {
1509 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
1509 >            e.invokeAny(l);
1510              shouldThrow();
1511 +        } catch (NullPointerException success) {
1512 +        } finally {
1513 +            latch.countDown();
1514 +            joinPool(e);
1515          }
531        catch (NullPointerException success){}  
1516      }
1517  
1518 <    /**
1519 <     * Constructor throws if handler is set to null
1518 >    /**
1519 >     * invokeAny(c) throws ExecutionException if no task completes
1520       */
1521 <    public void testNullPointerException7() {
1521 >    public void testInvokeAny4() throws Exception {
1522 >        ExecutorService e =
1523 >            new ThreadPoolExecutor(2, 2,
1524 >                                   LONG_DELAY_MS, MILLISECONDS,
1525 >                                   new ArrayBlockingQueue<Runnable>(10));
1526 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1527 >        l.add(new NPETask());
1528          try {
1529 <            RejectedExecutionHandler r = null;
540 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
1529 >            e.invokeAny(l);
1530              shouldThrow();
1531 +        } catch (ExecutionException success) {
1532 +            assertTrue(success.getCause() instanceof NullPointerException);
1533 +        } finally {
1534 +            joinPool(e);
1535          }
543        catch (NullPointerException success){}  
1536      }
1537  
1538 <    /**
1539 <     * Constructor throws if ThreadFactory is set top null
1538 >    /**
1539 >     * invokeAny(c) returns result of some task
1540       */
1541 <    public void testNullPointerException8() {
1541 >    public void testInvokeAny5() throws Exception {
1542 >        ExecutorService e =
1543 >            new ThreadPoolExecutor(2, 2,
1544 >                                   LONG_DELAY_MS, MILLISECONDS,
1545 >                                   new ArrayBlockingQueue<Runnable>(10));
1546          try {
1547 <            ThreadFactory f = null;
1548 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1547 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1548 >            l.add(new StringTask());
1549 >            l.add(new StringTask());
1550 >            String result = e.invokeAny(l);
1551 >            assertSame(TEST_STRING, result);
1552 >        } finally {
1553 >            joinPool(e);
1554 >        }
1555 >    }
1556 >
1557 >    /**
1558 >     * invokeAll(null) throws NPE
1559 >     */
1560 >    public void testInvokeAll1() throws Exception {
1561 >        ExecutorService e =
1562 >            new ThreadPoolExecutor(2, 2,
1563 >                                   LONG_DELAY_MS, MILLISECONDS,
1564 >                                   new ArrayBlockingQueue<Runnable>(10));
1565 >        try {
1566 >            e.invokeAll(null);
1567              shouldThrow();
1568 +        } catch (NullPointerException success) {
1569 +        } finally {
1570 +            joinPool(e);
1571          }
555        catch (NullPointerException successdn8){}  
1572      }
557    
1573  
1574      /**
1575 <     *  execute throws RejectedExecutionException if shutdown
1575 >     * invokeAll(empty collection) returns empty collection
1576       */
1577 <    public void testRejectedExecutionException() {
1578 <        ThreadPoolExecutor tpe = null;
1577 >    public void testInvokeAll2() throws InterruptedException {
1578 >        ExecutorService e =
1579 >            new ThreadPoolExecutor(2, 2,
1580 >                                   LONG_DELAY_MS, MILLISECONDS,
1581 >                                   new ArrayBlockingQueue<Runnable>(10));
1582          try {
1583 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1584 <        } catch(Exception e){}
1585 <        tpe.shutdown();
1586 <        try {
1587 <            tpe.execute(new NoOpRunnable());
570 <            shouldThrow();
571 <        } catch(RejectedExecutionException success){}
572 <        
573 <        joinPool(tpe);
1583 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1584 >            assertTrue(r.isEmpty());
1585 >        } finally {
1586 >            joinPool(e);
1587 >        }
1588      }
1589  
1590      /**
1591 <     *  execute throws RejectedExecutionException
578 <     *  if saturated.
1591 >     * invokeAll(c) throws NPE if c has null elements
1592       */
1593 <    public void testSaturatedExecute() {
1594 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1593 >    public void testInvokeAll3() throws Exception {
1594 >        ExecutorService e =
1595 >            new ThreadPoolExecutor(2, 2,
1596 >                                   LONG_DELAY_MS, MILLISECONDS,
1597 >                                   new ArrayBlockingQueue<Runnable>(10));
1598 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1599 >        l.add(new StringTask());
1600 >        l.add(null);
1601          try {
1602 <            
1603 <            for(int i = 0; i < 5; ++i){
1604 <                p.execute(new MediumRunnable());
1602 >            e.invokeAll(l);
1603 >            shouldThrow();
1604 >        } catch (NullPointerException success) {
1605 >        } finally {
1606 >            joinPool(e);
1607 >        }
1608 >    }
1609 >
1610 >    /**
1611 >     * get of element of invokeAll(c) throws exception on failed task
1612 >     */
1613 >    public void testInvokeAll4() throws Exception {
1614 >        ExecutorService e =
1615 >            new ThreadPoolExecutor(2, 2,
1616 >                                   LONG_DELAY_MS, MILLISECONDS,
1617 >                                   new ArrayBlockingQueue<Runnable>(10));
1618 >        try {
1619 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1620 >            l.add(new NPETask());
1621 >            List<Future<String>> futures = e.invokeAll(l);
1622 >            assertEquals(1, futures.size());
1623 >            try {
1624 >                futures.get(0).get();
1625 >                shouldThrow();
1626 >            } catch (ExecutionException success) {
1627 >                assertTrue(success.getCause() instanceof NullPointerException);
1628              }
1629 +        } finally {
1630 +            joinPool(e);
1631 +        }
1632 +    }
1633 +
1634 +    /**
1635 +     * invokeAll(c) returns results of all completed tasks
1636 +     */
1637 +    public void testInvokeAll5() throws Exception {
1638 +        ExecutorService e =
1639 +            new ThreadPoolExecutor(2, 2,
1640 +                                   LONG_DELAY_MS, MILLISECONDS,
1641 +                                   new ArrayBlockingQueue<Runnable>(10));
1642 +        try {
1643 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1644 +            l.add(new StringTask());
1645 +            l.add(new StringTask());
1646 +            List<Future<String>> futures = e.invokeAll(l);
1647 +            assertEquals(2, futures.size());
1648 +            for (Future<String> future : futures)
1649 +                assertSame(TEST_STRING, future.get());
1650 +        } finally {
1651 +            joinPool(e);
1652 +        }
1653 +    }
1654 +
1655 +    /**
1656 +     * timed invokeAny(null) throws NPE
1657 +     */
1658 +    public void testTimedInvokeAny1() throws Exception {
1659 +        ExecutorService e =
1660 +            new ThreadPoolExecutor(2, 2,
1661 +                                   LONG_DELAY_MS, MILLISECONDS,
1662 +                                   new ArrayBlockingQueue<Runnable>(10));
1663 +        try {
1664 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1665              shouldThrow();
1666 <        } catch(RejectedExecutionException success){}
1667 <        joinPool(p);
1666 >        } catch (NullPointerException success) {
1667 >        } finally {
1668 >            joinPool(e);
1669 >        }
1670      }
1671  
1672      /**
1673 <     *  execute (null) throws NPE
1673 >     * timed invokeAny(,,null) throws NPE
1674       */
1675 <    public void testExecuteNull() {
1676 <        ThreadPoolExecutor tpe = null;
1675 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1676 >        ExecutorService e =
1677 >            new ThreadPoolExecutor(2, 2,
1678 >                                   LONG_DELAY_MS, MILLISECONDS,
1679 >                                   new ArrayBlockingQueue<Runnable>(10));
1680 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1681 >        l.add(new StringTask());
1682          try {
1683 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
599 <            tpe.execute(null);
1683 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1684              shouldThrow();
1685 <        } catch(NullPointerException success){}
1686 <        
1687 <        joinPool(tpe);
1685 >        } catch (NullPointerException success) {
1686 >        } finally {
1687 >            joinPool(e);
1688 >        }
1689      }
1690 <    
1690 >
1691      /**
1692 <     *  setCorePoolSize of netaitev value throws IllegalArgumentException
1692 >     * timed invokeAny(empty collection) throws IAE
1693       */
1694 <    public void testCorePoolSizeIllegalArgumentException() {
1695 <        ThreadPoolExecutor tpe = null;
1696 <        try {
1697 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1698 <        } 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;
1694 >    public void testTimedInvokeAny2() throws Exception {
1695 >        ExecutorService e =
1696 >            new ThreadPoolExecutor(2, 2,
1697 >                                   LONG_DELAY_MS, MILLISECONDS,
1698 >                                   new ArrayBlockingQueue<Runnable>(10));
1699          try {
1700 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1701 <        } catch(Exception e){}
1700 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1701 >            shouldThrow();
1702 >        } catch (IllegalArgumentException success) {
1703 >        } finally {
1704 >            joinPool(e);
1705 >        }
1706 >    }
1707 >
1708 >    /**
1709 >     * timed invokeAny(c) throws NPE if c has null elements
1710 >     */
1711 >    public void testTimedInvokeAny3() throws Exception {
1712 >        final CountDownLatch latch = new CountDownLatch(1);
1713 >        final ExecutorService e =
1714 >            new ThreadPoolExecutor(2, 2,
1715 >                                   LONG_DELAY_MS, MILLISECONDS,
1716 >                                   new ArrayBlockingQueue<Runnable>(10));
1717 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1718 >        l.add(latchAwaitingStringTask(latch));
1719 >        l.add(null);
1720          try {
1721 <            tpe.setMaximumPoolSize(1);
1721 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1722              shouldThrow();
1723 <        } catch(IllegalArgumentException success){
1723 >        } catch (NullPointerException success) {
1724          } finally {
1725 <            tpe.shutdown();
1725 >            latch.countDown();
1726 >            joinPool(e);
1727          }
640        joinPool(tpe);
1728      }
1729 <    
1729 >
1730      /**
1731 <     *  setMaximumPoolSize throws IllegalArgumentException
645 <     *  if given a negative value
1731 >     * timed invokeAny(c) throws ExecutionException if no task completes
1732       */
1733 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1734 <        ThreadPoolExecutor tpe = null;
1733 >    public void testTimedInvokeAny4() throws Exception {
1734 >        ExecutorService e =
1735 >            new ThreadPoolExecutor(2, 2,
1736 >                                   LONG_DELAY_MS, MILLISECONDS,
1737 >                                   new ArrayBlockingQueue<Runnable>(10));
1738 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1739 >        l.add(new NPETask());
1740          try {
1741 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1742 <        } catch(Exception e){}
1741 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1742 >            shouldThrow();
1743 >        } catch (ExecutionException success) {
1744 >            assertTrue(success.getCause() instanceof NullPointerException);
1745 >        } finally {
1746 >            joinPool(e);
1747 >        }
1748 >    }
1749 >
1750 >    /**
1751 >     * timed invokeAny(c) returns result of some task
1752 >     */
1753 >    public void testTimedInvokeAny5() throws Exception {
1754 >        ExecutorService e =
1755 >            new ThreadPoolExecutor(2, 2,
1756 >                                   LONG_DELAY_MS, MILLISECONDS,
1757 >                                   new ArrayBlockingQueue<Runnable>(10));
1758          try {
1759 <            tpe.setMaximumPoolSize(-1);
1759 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1760 >            l.add(new StringTask());
1761 >            l.add(new StringTask());
1762 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1763 >            assertSame(TEST_STRING, result);
1764 >        } finally {
1765 >            joinPool(e);
1766 >        }
1767 >    }
1768 >
1769 >    /**
1770 >     * timed invokeAll(null) throws NPE
1771 >     */
1772 >    public void testTimedInvokeAll1() throws Exception {
1773 >        ExecutorService e =
1774 >            new ThreadPoolExecutor(2, 2,
1775 >                                   LONG_DELAY_MS, MILLISECONDS,
1776 >                                   new ArrayBlockingQueue<Runnable>(10));
1777 >        try {
1778 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1779              shouldThrow();
1780 <        } catch(IllegalArgumentException success){
1780 >        } catch (NullPointerException success) {
1781          } finally {
1782 <            tpe.shutdown();
1782 >            joinPool(e);
1783          }
659        joinPool(tpe);
1784      }
661    
1785  
1786      /**
1787 <     *  setKeepAliveTime  throws IllegalArgumentException
665 <     *  when given a negative value
1787 >     * timed invokeAll(,,null) throws NPE
1788       */
1789 <    public void testKeepAliveTimeIllegalArgumentException() {
1790 <        ThreadPoolExecutor tpe = null;
1789 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1790 >        ExecutorService e =
1791 >            new ThreadPoolExecutor(2, 2,
1792 >                                   LONG_DELAY_MS, MILLISECONDS,
1793 >                                   new ArrayBlockingQueue<Runnable>(10));
1794 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1795 >        l.add(new StringTask());
1796          try {
1797 <            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);
1797 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1798              shouldThrow();
1799 <        } catch(IllegalArgumentException success){
1799 >        } catch (NullPointerException success) {
1800          } finally {
1801 <            tpe.shutdown();
1801 >            joinPool(e);
1802          }
680        joinPool(tpe);
1803      }
1804 <  
1804 >
1805 >    /**
1806 >     * timed invokeAll(empty collection) returns empty collection
1807 >     */
1808 >    public void testTimedInvokeAll2() throws InterruptedException {
1809 >        ExecutorService e =
1810 >            new ThreadPoolExecutor(2, 2,
1811 >                                   LONG_DELAY_MS, MILLISECONDS,
1812 >                                   new ArrayBlockingQueue<Runnable>(10));
1813 >        try {
1814 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1815 >            assertTrue(r.isEmpty());
1816 >        } finally {
1817 >            joinPool(e);
1818 >        }
1819 >    }
1820 >
1821 >    /**
1822 >     * timed invokeAll(c) throws NPE if c has null elements
1823 >     */
1824 >    public void testTimedInvokeAll3() throws Exception {
1825 >        ExecutorService e =
1826 >            new ThreadPoolExecutor(2, 2,
1827 >                                   LONG_DELAY_MS, MILLISECONDS,
1828 >                                   new ArrayBlockingQueue<Runnable>(10));
1829 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1830 >        l.add(new StringTask());
1831 >        l.add(null);
1832 >        try {
1833 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1834 >            shouldThrow();
1835 >        } catch (NullPointerException success) {
1836 >        } finally {
1837 >            joinPool(e);
1838 >        }
1839 >    }
1840 >
1841 >    /**
1842 >     * get of element of invokeAll(c) throws exception on failed task
1843 >     */
1844 >    public void testTimedInvokeAll4() throws Exception {
1845 >        ExecutorService e =
1846 >            new ThreadPoolExecutor(2, 2,
1847 >                                   LONG_DELAY_MS, MILLISECONDS,
1848 >                                   new ArrayBlockingQueue<Runnable>(10));
1849 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1850 >        l.add(new NPETask());
1851 >        List<Future<String>> futures =
1852 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1853 >        assertEquals(1, futures.size());
1854 >        try {
1855 >            futures.get(0).get();
1856 >            shouldThrow();
1857 >        } catch (ExecutionException success) {
1858 >            assertTrue(success.getCause() instanceof NullPointerException);
1859 >        } finally {
1860 >            joinPool(e);
1861 >        }
1862 >    }
1863 >
1864 >    /**
1865 >     * timed invokeAll(c) returns results of all completed tasks
1866 >     */
1867 >    public void testTimedInvokeAll5() throws Exception {
1868 >        ExecutorService e =
1869 >            new ThreadPoolExecutor(2, 2,
1870 >                                   LONG_DELAY_MS, MILLISECONDS,
1871 >                                   new ArrayBlockingQueue<Runnable>(10));
1872 >        try {
1873 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1874 >            l.add(new StringTask());
1875 >            l.add(new StringTask());
1876 >            List<Future<String>> futures =
1877 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1878 >            assertEquals(2, futures.size());
1879 >            for (Future<String> future : futures)
1880 >                assertSame(TEST_STRING, future.get());
1881 >        } finally {
1882 >            joinPool(e);
1883 >        }
1884 >    }
1885 >
1886 >    /**
1887 >     * timed invokeAll(c) cancels tasks not completed by timeout
1888 >     */
1889 >    public void testTimedInvokeAll6() throws Exception {
1890 >        ExecutorService e =
1891 >            new ThreadPoolExecutor(2, 2,
1892 >                                   LONG_DELAY_MS, MILLISECONDS,
1893 >                                   new ArrayBlockingQueue<Runnable>(10));
1894 >        try {
1895 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1896 >            l.add(new StringTask());
1897 >            l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1898 >            l.add(new StringTask());
1899 >            List<Future<String>> futures =
1900 >                e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS);
1901 >            assertEquals(l.size(), futures.size());
1902 >            for (Future future : futures)
1903 >                assertTrue(future.isDone());
1904 >            assertFalse(futures.get(0).isCancelled());
1905 >            assertTrue(futures.get(1).isCancelled());
1906 >        } finally {
1907 >            joinPool(e);
1908 >        }
1909 >    }
1910 >
1911 >    /**
1912 >     * Execution continues if there is at least one thread even if
1913 >     * thread factory fails to create more
1914 >     */
1915 >    public void testFailingThreadFactory() throws InterruptedException {
1916 >        final ExecutorService e =
1917 >            new ThreadPoolExecutor(100, 100,
1918 >                                   LONG_DELAY_MS, MILLISECONDS,
1919 >                                   new LinkedBlockingQueue<Runnable>(),
1920 >                                   new FailingThreadFactory());
1921 >        try {
1922 >            final int TASKS = 100;
1923 >            final CountDownLatch done = new CountDownLatch(TASKS);
1924 >            for (int k = 0; k < TASKS; ++k)
1925 >                e.execute(new CheckedRunnable() {
1926 >                    public void realRun() {
1927 >                        done.countDown();
1928 >                    }});
1929 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1930 >        } finally {
1931 >            joinPool(e);
1932 >        }
1933 >    }
1934 >
1935 >    /**
1936 >     * allowsCoreThreadTimeOut is by default false.
1937 >     */
1938 >    public void testAllowsCoreThreadTimeOut() {
1939 >        final ThreadPoolExecutor p =
1940 >            new ThreadPoolExecutor(2, 2,
1941 >                                   1000, MILLISECONDS,
1942 >                                   new ArrayBlockingQueue<Runnable>(10));
1943 >        assertFalse(p.allowsCoreThreadTimeOut());
1944 >        joinPool(p);
1945 >    }
1946 >
1947 >    /**
1948 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1949 >     */
1950 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1951 >        long coreThreadTimeOut = SHORT_DELAY_MS;
1952 >        final ThreadPoolExecutor p =
1953 >            new ThreadPoolExecutor(2, 10,
1954 >                                   coreThreadTimeOut, MILLISECONDS,
1955 >                                   new ArrayBlockingQueue<Runnable>(10));
1956 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1957 >        try {
1958 >            p.allowCoreThreadTimeOut(true);
1959 >            p.execute(new CheckedRunnable() {
1960 >                public void realRun() {
1961 >                    threadStarted.countDown();
1962 >                    assertEquals(1, p.getPoolSize());
1963 >                }});
1964 >            await(threadStarted);
1965 >            delay(coreThreadTimeOut);
1966 >            long startTime = System.nanoTime();
1967 >            while (p.getPoolSize() > 0
1968 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1969 >                Thread.yield();
1970 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1971 >            assertEquals(0, p.getPoolSize());
1972 >        } finally {
1973 >            joinPool(p);
1974 >        }
1975 >    }
1976 >
1977 >    /**
1978 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1979 >     */
1980 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1981 >        long coreThreadTimeOut = SHORT_DELAY_MS;
1982 >        final ThreadPoolExecutor p =
1983 >            new ThreadPoolExecutor(2, 10,
1984 >                                   coreThreadTimeOut, MILLISECONDS,
1985 >                                   new ArrayBlockingQueue<Runnable>(10));
1986 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1987 >        try {
1988 >            p.allowCoreThreadTimeOut(false);
1989 >            p.execute(new CheckedRunnable() {
1990 >                public void realRun() throws InterruptedException {
1991 >                    threadStarted.countDown();
1992 >                    assertTrue(p.getPoolSize() >= 1);
1993 >                }});
1994 >            delay(2 * coreThreadTimeOut);
1995 >            assertTrue(p.getPoolSize() >= 1);
1996 >        } finally {
1997 >            joinPool(p);
1998 >        }
1999 >    }
2000 >
2001 >    /**
2002 >     * execute allows the same task to be submitted multiple times, even
2003 >     * if rejected
2004 >     */
2005 >    public void testRejectedRecycledTask() throws InterruptedException {
2006 >        final int nTasks = 1000;
2007 >        final CountDownLatch done = new CountDownLatch(nTasks);
2008 >        final Runnable recycledTask = new Runnable() {
2009 >            public void run() {
2010 >                done.countDown();
2011 >            }};
2012 >        final ThreadPoolExecutor p =
2013 >            new ThreadPoolExecutor(1, 30, 60, TimeUnit.SECONDS,
2014 >                                   new ArrayBlockingQueue(30));
2015 >        try {
2016 >            for (int i = 0; i < nTasks; ++i) {
2017 >                for (;;) {
2018 >                    try {
2019 >                        p.execute(recycledTask);
2020 >                        break;
2021 >                    }
2022 >                    catch (RejectedExecutionException ignore) {}
2023 >                }
2024 >            }
2025 >            // enough time to run all tasks
2026 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2027 >        } finally {
2028 >            joinPool(p);
2029 >        }
2030 >    }
2031 >
2032   }

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