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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.6 by dl, Thu Sep 25 11:02:41 2003 UTC vs.
Revision 1.64 by jsr166, Mon Sep 28 21:15:44 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
44 >
45 >    static class ExtendedTPE extends ThreadPoolExecutor {
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50 >        public ExtendedTPE() {
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52 >        }
53 >        protected void beforeExecute(Thread t, Runnable r) {
54 >            beforeCalled.countDown();
55 >        }
56 >        protected void afterExecute(Runnable r, Throwable t) {
57 >            afterCalled.countDown();
58 >        }
59 >        protected void terminated() {
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78 >            return new Thread(r);
79 >        }
80 >    }
81 >
82      /**
83 <     * For use as ThreadFactory in constructors
83 >     * execute successfully executes a runnable
84       */
85 <    static class MyThreadFactory implements ThreadFactory{
86 <        public Thread newThread(Runnable r){
87 <            return new Thread(r);
88 <        }  
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        final CountDownLatch done = new CountDownLatch(1);
91 >        final Runnable task = new CheckedRunnable() {
92 >            public void realRun() {
93 >                done.countDown();
94 >            }};
95 >        try {
96 >            p.execute(task);
97 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98 >        } finally {
99 >            joinPool(p);
100 >        }
101      }
102  
103      /**
104 <     * For use as RejectedExecutionHandler in constructors
104 >     * getActiveCount increases but doesn't overestimate, when a
105 >     * thread becomes active
106       */
107 <    static class MyREHandler implements RejectedExecutionHandler{
108 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
107 >    public void testGetActiveCount() throws InterruptedException {
108 >        final ThreadPoolExecutor p =
109 >            new ThreadPoolExecutor(2, 2,
110 >                                   LONG_DELAY_MS, MILLISECONDS,
111 >                                   new ArrayBlockingQueue<Runnable>(10));
112 >        final CountDownLatch threadStarted = new CountDownLatch(1);
113 >        final CountDownLatch done = new CountDownLatch(1);
114 >        try {
115 >            assertEquals(0, p.getActiveCount());
116 >            p.execute(new CheckedRunnable() {
117 >                public void realRun() throws InterruptedException {
118 >                    threadStarted.countDown();
119 >                    assertEquals(1, p.getActiveCount());
120 >                    done.await();
121 >                }});
122 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123 >            assertEquals(1, p.getActiveCount());
124 >        } finally {
125 >            done.countDown();
126 >            joinPool(p);
127 >        }
128      }
129 <
129 >
130      /**
131 <     *   execute successfully executes a runnable
131 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
132       */
133 <    public void testExecute() {
134 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135 <        try {
136 <            p1.execute(new Runnable() {
137 <                    public void run() {
138 <                        try {
139 <                            Thread.sleep(SHORT_DELAY_MS);
140 <                        } catch(InterruptedException e){
141 <                            threadUnexpectedException();
142 <                        }
143 <                    }
144 <                });
145 <            Thread.sleep(SMALL_DELAY_MS);
52 <        } catch(InterruptedException e){
53 <            unexpectedException();
54 <        }
55 <        joinPool(p1);
133 >    public void testPrestartCoreThread() {
134 >        final ThreadPoolExecutor p =
135 >            new ThreadPoolExecutor(2, 2,
136 >                                   LONG_DELAY_MS, MILLISECONDS,
137 >                                   new ArrayBlockingQueue<Runnable>(10));
138 >        assertEquals(0, p.getPoolSize());
139 >        assertTrue(p.prestartCoreThread());
140 >        assertEquals(1, p.getPoolSize());
141 >        assertTrue(p.prestartCoreThread());
142 >        assertEquals(2, p.getPoolSize());
143 >        assertFalse(p.prestartCoreThread());
144 >        assertEquals(2, p.getPoolSize());
145 >        joinPool(p);
146      }
147  
148      /**
149 <     *  getActiveCount increases but doesn't overestimate, when a
60 <     *  thread becomes active
149 >     * prestartAllCoreThreads starts all corePoolSize threads
150       */
151 <    public void testGetActiveCount() {
152 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
153 <        assertEquals(0, p2.getActiveCount());
154 <        p2.execute(new MediumRunnable());
155 <        try {
156 <            Thread.sleep(SHORT_DELAY_MS);
157 <        } catch(Exception e){
158 <            unexpectedException();
159 <        }
160 <        assertEquals(1, p2.getActiveCount());
161 <        joinPool(p2);
151 >    public void testPrestartAllCoreThreads() {
152 >        final ThreadPoolExecutor p =
153 >            new ThreadPoolExecutor(2, 2,
154 >                                   LONG_DELAY_MS, MILLISECONDS,
155 >                                   new ArrayBlockingQueue<Runnable>(10));
156 >        assertEquals(0, p.getPoolSize());
157 >        p.prestartAllCoreThreads();
158 >        assertEquals(2, p.getPoolSize());
159 >        p.prestartAllCoreThreads();
160 >        assertEquals(2, p.getPoolSize());
161 >        joinPool(p);
162      }
163 <    
163 >
164      /**
165 <     *   getCompletedTaskCount increases, but doesn't overestimate,
166 <     *   when tasks complete
165 >     * getCompletedTaskCount increases, but doesn't overestimate,
166 >     * when tasks complete
167       */
168 <    public void testGetCompletedTaskCount() {
169 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
170 <        assertEquals(0, p2.getCompletedTaskCount());
171 <        p2.execute(new ShortRunnable());
172 <        try {
173 <            Thread.sleep(MEDIUM_DELAY_MS);
174 <        } catch(Exception e){
175 <            unexpectedException();
168 >    public void testGetCompletedTaskCount() throws InterruptedException {
169 >        final ThreadPoolExecutor p =
170 >            new ThreadPoolExecutor(2, 2,
171 >                                   LONG_DELAY_MS, MILLISECONDS,
172 >                                   new ArrayBlockingQueue<Runnable>(10));
173 >        final CountDownLatch threadStarted = new CountDownLatch(1);
174 >        final CountDownLatch threadProceed = new CountDownLatch(1);
175 >        final CountDownLatch threadDone = new CountDownLatch(1);
176 >        try {
177 >            assertEquals(0, p.getCompletedTaskCount());
178 >            p.execute(new CheckedRunnable() {
179 >                public void realRun() throws InterruptedException {
180 >                    threadStarted.countDown();
181 >                    assertEquals(0, p.getCompletedTaskCount());
182 >                    threadProceed.await();
183 >                    threadDone.countDown();
184 >                }});
185 >            await(threadStarted);
186 >            assertEquals(0, p.getCompletedTaskCount());
187 >            threadProceed.countDown();
188 >            threadDone.await();
189 >            long startTime = System.nanoTime();
190 >            while (p.getCompletedTaskCount() != 1) {
191 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
192 >                    fail("timed out");
193 >                Thread.yield();
194 >            }
195 >        } finally {
196 >            joinPool(p);
197          }
88        assertEquals(1, p2.getCompletedTaskCount());
89        p2.shutdown();
90        joinPool(p2);
198      }
199 <    
199 >
200      /**
201 <     *   getCorePoolSize returns size given in constructor if not otherwise set
201 >     * getCorePoolSize returns size given in constructor if not otherwise set
202       */
203      public void testGetCorePoolSize() {
204 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
205 <        assertEquals(1, p1.getCorePoolSize());
206 <        joinPool(p1);
204 >        final ThreadPoolExecutor p =
205 >            new ThreadPoolExecutor(1, 1,
206 >                                   LONG_DELAY_MS, MILLISECONDS,
207 >                                   new ArrayBlockingQueue<Runnable>(10));
208 >        assertEquals(1, p.getCorePoolSize());
209 >        joinPool(p);
210      }
211 <    
211 >
212      /**
213 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
213 >     * getKeepAliveTime returns value given in constructor if not otherwise set
214       */
215      public void testGetKeepAliveTime() {
216 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
218 <        joinPool(p2);
219 <    }
220 <    
221 <    /**
112 <     *   getLargestPoolSize increases, but doesn't overestimate, when
113 <     *   multiple threads active
114 <     */
115 <    public void testGetLargestPoolSize() {
116 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
117 <        try {
118 <            assertEquals(0, p2.getLargestPoolSize());
119 <            p2.execute(new MediumRunnable());
120 <            p2.execute(new MediumRunnable());
121 <            Thread.sleep(SHORT_DELAY_MS);
122 <            assertEquals(2, p2.getLargestPoolSize());
123 <        } catch(Exception e){
124 <            unexpectedException();
125 <        }
126 <        joinPool(p2);
216 >        final ThreadPoolExecutor p =
217 >            new ThreadPoolExecutor(2, 2,
218 >                                   1000, MILLISECONDS,
219 >                                   new ArrayBlockingQueue<Runnable>(10));
220 >        assertEquals(1, p.getKeepAliveTime(SECONDS));
221 >        joinPool(p);
222      }
223 <    
223 >
224      /**
225 <     *   getMaximumPoolSize returns value given in constructor if not
131 <     *   otherwise set
225 >     * getThreadFactory returns factory in constructor if not set
226       */
227 <    public void testGetMaximumPoolSize() {
228 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
229 <        assertEquals(2, p2.getMaximumPoolSize());
230 <        joinPool(p2);
227 >    public void testGetThreadFactory() {
228 >        ThreadFactory tf = new SimpleThreadFactory();
229 >        final ThreadPoolExecutor p =
230 >            new ThreadPoolExecutor(1, 2,
231 >                                   LONG_DELAY_MS, MILLISECONDS,
232 >                                   new ArrayBlockingQueue<Runnable>(10),
233 >                                   tf,
234 >                                   new NoOpREHandler());
235 >        assertSame(tf, p.getThreadFactory());
236 >        joinPool(p);
237      }
238 <    
238 >
239      /**
240 <     *   getPoolSize increases, but doesn't overestimate, when threads
141 <     *   become active
240 >     * setThreadFactory sets the thread factory returned by getThreadFactory
241       */
242 <    public void testGetPoolSize() {
243 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
244 <        assertEquals(0, p1.getPoolSize());
245 <        p1.execute(new MediumRunnable());
246 <        assertEquals(1, p1.getPoolSize());
247 <        joinPool(p1);
242 >    public void testSetThreadFactory() {
243 >        final ThreadPoolExecutor p =
244 >            new ThreadPoolExecutor(1, 2,
245 >                                   LONG_DELAY_MS, MILLISECONDS,
246 >                                   new ArrayBlockingQueue<Runnable>(10));
247 >        ThreadFactory tf = new SimpleThreadFactory();
248 >        p.setThreadFactory(tf);
249 >        assertSame(tf, p.getThreadFactory());
250 >        joinPool(p);
251      }
252 <    
252 >
253      /**
254 <     *   getTaskCount increases, but doesn't overestimate, when tasks submitted
254 >     * setThreadFactory(null) throws NPE
255       */
256 <    public void testGetTaskCount() {
257 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
256 >    public void testSetThreadFactoryNull() {
257 >        final ThreadPoolExecutor p =
258 >            new ThreadPoolExecutor(1, 2,
259 >                                   LONG_DELAY_MS, MILLISECONDS,
260 >                                   new ArrayBlockingQueue<Runnable>(10));
261          try {
262 <            assertEquals(0, p1.getTaskCount());
263 <            p1.execute(new MediumRunnable());
264 <            Thread.sleep(SHORT_DELAY_MS);
265 <            assertEquals(1, p1.getTaskCount());
266 <        } catch(Exception e){
267 <            unexpectedException();
163 <        }
164 <        joinPool(p1);
262 >            p.setThreadFactory(null);
263 >            shouldThrow();
264 >        } catch (NullPointerException success) {
265 >        } finally {
266 >            joinPool(p);
267 >        }
268      }
269 <    
269 >
270      /**
271 <     *   isShutDown is false before shutdown, true after
271 >     * getRejectedExecutionHandler returns handler in constructor if not set
272       */
273 <    public void testIsShutdown() {
274 <        
275 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
276 <        assertFalse(p1.isShutdown());
277 <        p1.shutdown();
278 <        assertTrue(p1.isShutdown());
279 <        joinPool(p1);
273 >    public void testGetRejectedExecutionHandler() {
274 >        final RejectedExecutionHandler h = new NoOpREHandler();
275 >        final ThreadPoolExecutor p =
276 >            new ThreadPoolExecutor(1, 2,
277 >                                   LONG_DELAY_MS, MILLISECONDS,
278 >                                   new ArrayBlockingQueue<Runnable>(10),
279 >                                   h);
280 >        assertSame(h, p.getRejectedExecutionHandler());
281 >        joinPool(p);
282 >    }
283 >
284 >    /**
285 >     * setRejectedExecutionHandler sets the handler returned by
286 >     * getRejectedExecutionHandler
287 >     */
288 >    public void testSetRejectedExecutionHandler() {
289 >        final ThreadPoolExecutor p =
290 >            new ThreadPoolExecutor(1, 2,
291 >                                   LONG_DELAY_MS, MILLISECONDS,
292 >                                   new ArrayBlockingQueue<Runnable>(10));
293 >        RejectedExecutionHandler h = new NoOpREHandler();
294 >        p.setRejectedExecutionHandler(h);
295 >        assertSame(h, p.getRejectedExecutionHandler());
296 >        joinPool(p);
297      }
298  
179        
299      /**
300 <     *  isTerminated is false before termination, true after
300 >     * setRejectedExecutionHandler(null) throws NPE
301       */
302 <    public void testIsTerminated() {
303 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
304 <        assertFalse(p1.isTerminated());
302 >    public void testSetRejectedExecutionHandlerNull() {
303 >        final ThreadPoolExecutor p =
304 >            new ThreadPoolExecutor(1, 2,
305 >                                   LONG_DELAY_MS, MILLISECONDS,
306 >                                   new ArrayBlockingQueue<Runnable>(10));
307          try {
308 <            p1.execute(new MediumRunnable());
308 >            p.setRejectedExecutionHandler(null);
309 >            shouldThrow();
310 >        } catch (NullPointerException success) {
311          } finally {
312 <            p1.shutdown();
312 >            joinPool(p);
313          }
191        try {
192            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193            assertTrue(p1.isTerminated());
194        } catch(Exception e){
195            unexpectedException();
196        }      
314      }
315  
316      /**
317 <     *  isTerminating is not true when running or when terminated
317 >     * getLargestPoolSize increases, but doesn't overestimate, when
318 >     * multiple threads active
319       */
320 <    public void testIsTerminating() {
321 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
322 <        assertFalse(p1.isTerminating());
323 <        try {
324 <            p1.execute(new SmallRunnable());
325 <            assertFalse(p1.isTerminating());
320 >    public void testGetLargestPoolSize() throws InterruptedException {
321 >        final int THREADS = 3;
322 >        final ThreadPoolExecutor p =
323 >            new ThreadPoolExecutor(THREADS, THREADS,
324 >                                   LONG_DELAY_MS, MILLISECONDS,
325 >                                   new ArrayBlockingQueue<Runnable>(10));
326 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
327 >        final CountDownLatch done = new CountDownLatch(1);
328 >        try {
329 >            assertEquals(0, p.getLargestPoolSize());
330 >            for (int i = 0; i < THREADS; i++)
331 >                p.execute(new CheckedRunnable() {
332 >                    public void realRun() throws InterruptedException {
333 >                        threadsStarted.countDown();
334 >                        done.await();
335 >                        assertEquals(THREADS, p.getLargestPoolSize());
336 >                    }});
337 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
338 >            assertEquals(THREADS, p.getLargestPoolSize());
339          } finally {
340 <            p1.shutdown();
340 >            done.countDown();
341 >            joinPool(p);
342 >            assertEquals(THREADS, p.getLargestPoolSize());
343          }
211        try {
212            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
213            assertTrue(p1.isTerminated());
214            assertFalse(p1.isTerminating());
215        } catch(Exception e){
216            unexpectedException();
217        }      
344      }
345  
346      /**
347 <     *   purge removes cancelled tasks from the queue
347 >     * getMaximumPoolSize returns value given in constructor if not
348 >     * otherwise set
349 >     */
350 >    public void testGetMaximumPoolSize() {
351 >        final ThreadPoolExecutor p =
352 >            new ThreadPoolExecutor(2, 3,
353 >                                   LONG_DELAY_MS, MILLISECONDS,
354 >                                   new ArrayBlockingQueue<Runnable>(10));
355 >        assertEquals(3, p.getMaximumPoolSize());
356 >        joinPool(p);
357 >    }
358 >
359 >    /**
360 >     * getPoolSize increases, but doesn't overestimate, when threads
361 >     * become active
362       */
363 <    public void testPurge() {
364 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
365 <        CancellableTask[] tasks = new CancellableTask[5];
366 <        for(int i = 0; i < 5; i++){
367 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
368 <            p1.execute(tasks[i]);
363 >    public void testGetPoolSize() throws InterruptedException {
364 >        final ThreadPoolExecutor p =
365 >            new ThreadPoolExecutor(1, 1,
366 >                                   LONG_DELAY_MS, MILLISECONDS,
367 >                                   new ArrayBlockingQueue<Runnable>(10));
368 >        final CountDownLatch threadStarted = new CountDownLatch(1);
369 >        final CountDownLatch done = new CountDownLatch(1);
370 >        try {
371 >            assertEquals(0, p.getPoolSize());
372 >            p.execute(new CheckedRunnable() {
373 >                public void realRun() throws InterruptedException {
374 >                    threadStarted.countDown();
375 >                    assertEquals(1, p.getPoolSize());
376 >                    done.await();
377 >                }});
378 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
379 >            assertEquals(1, p.getPoolSize());
380 >        } finally {
381 >            done.countDown();
382 >            joinPool(p);
383          }
230        tasks[4].cancel(true);
231        tasks[3].cancel(true);
232        p1.purge();
233        long count = p1.getTaskCount();
234        assertTrue(count >= 2 && count < 5);
235        joinPool(p1);
384      }
385  
386      /**
387 <     *  shutDownNow returns a list containing tasks that were not run
387 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
388       */
389 <    public void testShutDownNow() {
390 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
391 <        List l;
392 <        try {
393 <            for(int i = 0; i < 5; i++)
394 <                p1.execute(new MediumPossiblyInterruptedRunnable());
389 >    public void testGetTaskCount() throws InterruptedException {
390 >        final ThreadPoolExecutor p =
391 >            new ThreadPoolExecutor(1, 1,
392 >                                   LONG_DELAY_MS, MILLISECONDS,
393 >                                   new ArrayBlockingQueue<Runnable>(10));
394 >        final CountDownLatch threadStarted = new CountDownLatch(1);
395 >        final CountDownLatch done = new CountDownLatch(1);
396 >        try {
397 >            assertEquals(0, p.getTaskCount());
398 >            p.execute(new CheckedRunnable() {
399 >                public void realRun() throws InterruptedException {
400 >                    threadStarted.countDown();
401 >                    assertEquals(1, p.getTaskCount());
402 >                    done.await();
403 >                }});
404 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
405 >            assertEquals(1, p.getTaskCount());
406 >        } finally {
407 >            done.countDown();
408 >            joinPool(p);
409 >        }
410 >    }
411 >
412 >    /**
413 >     * isShutdown is false before shutdown, true after
414 >     */
415 >    public void testIsShutdown() {
416 >        final ThreadPoolExecutor p =
417 >            new ThreadPoolExecutor(1, 1,
418 >                                   LONG_DELAY_MS, MILLISECONDS,
419 >                                   new ArrayBlockingQueue<Runnable>(10));
420 >        assertFalse(p.isShutdown());
421 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
422 >        assertTrue(p.isShutdown());
423 >        joinPool(p);
424 >    }
425 >
426 >    /**
427 >     * awaitTermination on a non-shutdown pool times out
428 >     */
429 >    public void testAwaitTermination_timesOut() throws InterruptedException {
430 >        final ThreadPoolExecutor p =
431 >            new ThreadPoolExecutor(1, 1,
432 >                                   LONG_DELAY_MS, MILLISECONDS,
433 >                                   new ArrayBlockingQueue<Runnable>(10));
434 >        assertFalse(p.isTerminated());
435 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
436 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
437 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
438 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
439 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
440 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
441 >        long timeoutNanos = 999999L;
442 >        long startTime = System.nanoTime();
443 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
444 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
445 >        assertFalse(p.isTerminated());
446 >        startTime = System.nanoTime();
447 >        long timeoutMillis = timeoutMillis();
448 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
449 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
450 >        assertFalse(p.isTerminated());
451 >        p.shutdown();
452 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
453 >        assertTrue(p.isTerminated());
454 >    }
455 >
456 >    /**
457 >     * isTerminated is false before termination, true after
458 >     */
459 >    public void testIsTerminated() throws InterruptedException {
460 >        final ThreadPoolExecutor p =
461 >            new ThreadPoolExecutor(1, 1,
462 >                                   LONG_DELAY_MS, MILLISECONDS,
463 >                                   new ArrayBlockingQueue<Runnable>(10));
464 >        final CountDownLatch threadStarted = new CountDownLatch(1);
465 >        final CountDownLatch done = new CountDownLatch(1);
466 >        assertFalse(p.isTerminated());
467 >        try {
468 >            p.execute(new CheckedRunnable() {
469 >                public void realRun() throws InterruptedException {
470 >                    assertFalse(p.isTerminated());
471 >                    threadStarted.countDown();
472 >                    done.await();
473 >                }});
474 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
475 >            assertFalse(p.isTerminating());
476 >            done.countDown();
477 >        } finally {
478 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
479 >        }
480 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
481 >        assertTrue(p.isTerminated());
482 >    }
483 >
484 >    /**
485 >     * isTerminating is not true when running or when terminated
486 >     */
487 >    public void testIsTerminating() throws InterruptedException {
488 >        final ThreadPoolExecutor p =
489 >            new ThreadPoolExecutor(1, 1,
490 >                                   LONG_DELAY_MS, MILLISECONDS,
491 >                                   new ArrayBlockingQueue<Runnable>(10));
492 >        final CountDownLatch threadStarted = new CountDownLatch(1);
493 >        final CountDownLatch done = new CountDownLatch(1);
494 >        try {
495 >            assertFalse(p.isTerminating());
496 >            p.execute(new CheckedRunnable() {
497 >                public void realRun() throws InterruptedException {
498 >                    assertFalse(p.isTerminating());
499 >                    threadStarted.countDown();
500 >                    done.await();
501 >                }});
502 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
503 >            assertFalse(p.isTerminating());
504 >            done.countDown();
505 >        } finally {
506 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
507 >        }
508 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
509 >        assertTrue(p.isTerminated());
510 >        assertFalse(p.isTerminating());
511 >    }
512 >
513 >    /**
514 >     * getQueue returns the work queue, which contains queued tasks
515 >     */
516 >    public void testGetQueue() throws InterruptedException {
517 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
518 >        final ThreadPoolExecutor p =
519 >            new ThreadPoolExecutor(1, 1,
520 >                                   LONG_DELAY_MS, MILLISECONDS,
521 >                                   q);
522 >        final CountDownLatch threadStarted = new CountDownLatch(1);
523 >        final CountDownLatch done = new CountDownLatch(1);
524 >        try {
525 >            FutureTask[] tasks = new FutureTask[5];
526 >            for (int i = 0; i < tasks.length; i++) {
527 >                Callable task = new CheckedCallable<Boolean>() {
528 >                    public Boolean realCall() throws InterruptedException {
529 >                        threadStarted.countDown();
530 >                        assertSame(q, p.getQueue());
531 >                        done.await();
532 >                        return Boolean.TRUE;
533 >                    }};
534 >                tasks[i] = new FutureTask(task);
535 >                p.execute(tasks[i]);
536 >            }
537 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
538 >            assertSame(q, p.getQueue());
539 >            assertFalse(q.contains(tasks[0]));
540 >            assertTrue(q.contains(tasks[tasks.length - 1]));
541 >            assertEquals(tasks.length - 1, q.size());
542 >        } finally {
543 >            done.countDown();
544 >            joinPool(p);
545 >        }
546 >    }
547 >
548 >    /**
549 >     * remove(task) removes queued task, and fails to remove active task
550 >     */
551 >    public void testRemove() throws InterruptedException {
552 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
553 >        final ThreadPoolExecutor p =
554 >            new ThreadPoolExecutor(1, 1,
555 >                                   LONG_DELAY_MS, MILLISECONDS,
556 >                                   q);
557 >        Runnable[] tasks = new Runnable[5];
558 >        final CountDownLatch threadStarted = new CountDownLatch(1);
559 >        final CountDownLatch done = new CountDownLatch(1);
560 >        try {
561 >            for (int i = 0; i < tasks.length; i++) {
562 >                tasks[i] = new CheckedRunnable() {
563 >                    public void realRun() throws InterruptedException {
564 >                        threadStarted.countDown();
565 >                        done.await();
566 >                    }};
567 >                p.execute(tasks[i]);
568 >            }
569 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
570 >            assertFalse(p.remove(tasks[0]));
571 >            assertTrue(q.contains(tasks[4]));
572 >            assertTrue(q.contains(tasks[3]));
573 >            assertTrue(p.remove(tasks[4]));
574 >            assertFalse(p.remove(tasks[4]));
575 >            assertFalse(q.contains(tasks[4]));
576 >            assertTrue(q.contains(tasks[3]));
577 >            assertTrue(p.remove(tasks[3]));
578 >            assertFalse(q.contains(tasks[3]));
579 >        } finally {
580 >            done.countDown();
581 >            joinPool(p);
582          }
583 <        finally {
584 <            l = p1.shutdownNow();
583 >    }
584 >
585 >    /**
586 >     * purge removes cancelled tasks from the queue
587 >     */
588 >    public void testPurge() throws InterruptedException {
589 >        final CountDownLatch threadStarted = new CountDownLatch(1);
590 >        final CountDownLatch done = new CountDownLatch(1);
591 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
592 >        final ThreadPoolExecutor p =
593 >            new ThreadPoolExecutor(1, 1,
594 >                                   LONG_DELAY_MS, MILLISECONDS,
595 >                                   q);
596 >        FutureTask[] tasks = new FutureTask[5];
597 >        try {
598 >            for (int i = 0; i < tasks.length; i++) {
599 >                Callable task = new CheckedCallable<Boolean>() {
600 >                    public Boolean realCall() throws InterruptedException {
601 >                        threadStarted.countDown();
602 >                        done.await();
603 >                        return Boolean.TRUE;
604 >                    }};
605 >                tasks[i] = new FutureTask(task);
606 >                p.execute(tasks[i]);
607 >            }
608 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
609 >            assertEquals(tasks.length, p.getTaskCount());
610 >            assertEquals(tasks.length - 1, q.size());
611 >            assertEquals(1L, p.getActiveCount());
612 >            assertEquals(0L, p.getCompletedTaskCount());
613 >            tasks[4].cancel(true);
614 >            tasks[3].cancel(false);
615 >            p.purge();
616 >            assertEquals(tasks.length - 3, q.size());
617 >            assertEquals(tasks.length - 2, p.getTaskCount());
618 >            p.purge();         // Nothing to do
619 >            assertEquals(tasks.length - 3, q.size());
620 >            assertEquals(tasks.length - 2, p.getTaskCount());
621 >        } finally {
622 >            done.countDown();
623 >            joinPool(p);
624          }
625 <        assertTrue(p1.isShutdown());
626 <        assertTrue(l.size() <= 4);
625 >    }
626 >
627 >    /**
628 >     * shutdownNow returns a list containing tasks that were not run,
629 >     * and those tasks are drained from the queue
630 >     */
631 >    public void testShutdownNow() throws InterruptedException {
632 >        final int poolSize = 2;
633 >        final int count = 5;
634 >        final AtomicInteger ran = new AtomicInteger(0);
635 >        final ThreadPoolExecutor p =
636 >            new ThreadPoolExecutor(poolSize, poolSize,
637 >                                   LONG_DELAY_MS, MILLISECONDS,
638 >                                   new ArrayBlockingQueue<Runnable>(10));
639 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
640 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
641 >            threadsStarted.countDown();
642 >            try {
643 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
644 >            } catch (InterruptedException success) {}
645 >            ran.getAndIncrement();
646 >        }};
647 >        for (int i = 0; i < count; i++)
648 >            p.execute(waiter);
649 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
650 >        assertEquals(poolSize, p.getActiveCount());
651 >        assertEquals(0, p.getCompletedTaskCount());
652 >        final List<Runnable> queuedTasks;
653 >        try {
654 >            queuedTasks = p.shutdownNow();
655 >        } catch (SecurityException ok) {
656 >            return; // Allowed in case test doesn't have privs
657 >        }
658 >        assertTrue(p.isShutdown());
659 >        assertTrue(p.getQueue().isEmpty());
660 >        assertEquals(count - poolSize, queuedTasks.size());
661 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
662 >        assertTrue(p.isTerminated());
663 >        assertEquals(poolSize, ran.get());
664 >        assertEquals(poolSize, p.getCompletedTaskCount());
665      }
666  
667      // Exception Tests
256    
668  
669 <    /**
670 <     * Constructor throws if corePoolSize argument is less than zero
669 >    /**
670 >     * Constructor throws if corePoolSize argument is less than zero
671       */
672      public void testConstructor1() {
673          try {
674 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
674 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
675 >                                   new ArrayBlockingQueue<Runnable>(10));
676              shouldThrow();
677 <        }
266 <        catch (IllegalArgumentException success){}
677 >        } catch (IllegalArgumentException success) {}
678      }
679 <    
680 <    /**
681 <     * Constructor throws if maximumPoolSize is less than zero
679 >
680 >    /**
681 >     * Constructor throws if maximumPoolSize is less than zero
682       */
683      public void testConstructor2() {
684          try {
685 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
685 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
686 >                                   new ArrayBlockingQueue<Runnable>(10));
687              shouldThrow();
688 <        }
277 <        catch (IllegalArgumentException success){}
688 >        } catch (IllegalArgumentException success) {}
689      }
690 <    
691 <    /**
692 <     * Constructor throws if maximumPoolSize is equal to zero
690 >
691 >    /**
692 >     * Constructor throws if maximumPoolSize is equal to zero
693       */
694      public void testConstructor3() {
695          try {
696 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
696 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
697 >                                   new ArrayBlockingQueue<Runnable>(10));
698              shouldThrow();
699 <        }
288 <        catch (IllegalArgumentException success){}
699 >        } catch (IllegalArgumentException success) {}
700      }
701  
702 <    /**
703 <     * Constructor throws if keepAliveTime is less than zero
702 >    /**
703 >     * Constructor throws if keepAliveTime is less than zero
704       */
705      public void testConstructor4() {
706          try {
707 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
707 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
708 >                                   new ArrayBlockingQueue<Runnable>(10));
709              shouldThrow();
710 <        }
299 <        catch (IllegalArgumentException success){}
710 >        } catch (IllegalArgumentException success) {}
711      }
712  
713 <    /**
714 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
713 >    /**
714 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
715       */
716      public void testConstructor5() {
717          try {
718 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
718 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
719 >                                   new ArrayBlockingQueue<Runnable>(10));
720              shouldThrow();
721 <        }
310 <        catch (IllegalArgumentException success){}
721 >        } catch (IllegalArgumentException success) {}
722      }
723 <        
724 <    /**
725 <     * Constructor throws if workQueue is set to null
723 >
724 >    /**
725 >     * Constructor throws if workQueue is set to null
726       */
727 <    public void testNullPointerException() {
727 >    public void testConstructorNullPointerException() {
728          try {
729 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
729 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
730 >                                   (BlockingQueue) null);
731              shouldThrow();
732 <        }
321 <        catch (NullPointerException success){}  
732 >        } catch (NullPointerException success) {}
733      }
323    
734  
735 <    
736 <    /**
327 <     * Constructor throws if corePoolSize argument is less than zero
735 >    /**
736 >     * Constructor throws if corePoolSize argument is less than zero
737       */
738      public void testConstructor6() {
739          try {
740 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
740 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
741 >                                   new ArrayBlockingQueue<Runnable>(10),
742 >                                   new SimpleThreadFactory());
743              shouldThrow();
744 <        } catch (IllegalArgumentException success){}
744 >        } catch (IllegalArgumentException success) {}
745      }
746 <    
747 <    /**
748 <     * Constructor throws if maximumPoolSize is less than zero
746 >
747 >    /**
748 >     * Constructor throws if maximumPoolSize is less than zero
749       */
750      public void testConstructor7() {
751          try {
752 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
752 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
753 >                                   new ArrayBlockingQueue<Runnable>(10),
754 >                                   new SimpleThreadFactory());
755              shouldThrow();
756 <        }
344 <        catch (IllegalArgumentException success){}
756 >        } catch (IllegalArgumentException success) {}
757      }
758  
759 <    /**
760 <     * Constructor throws if maximumPoolSize is equal to zero
759 >    /**
760 >     * Constructor throws if maximumPoolSize is equal to zero
761       */
762      public void testConstructor8() {
763          try {
764 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
764 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
765 >                                   new ArrayBlockingQueue<Runnable>(10),
766 >                                   new SimpleThreadFactory());
767              shouldThrow();
768 <        }
355 <        catch (IllegalArgumentException success){}
768 >        } catch (IllegalArgumentException success) {}
769      }
770  
771 <    /**
772 <     * Constructor throws if keepAliveTime is less than zero
771 >    /**
772 >     * Constructor throws if keepAliveTime is less than zero
773       */
774      public void testConstructor9() {
775          try {
776 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
776 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
777 >                                   new ArrayBlockingQueue<Runnable>(10),
778 >                                   new SimpleThreadFactory());
779              shouldThrow();
780 <        }
366 <        catch (IllegalArgumentException success){}
780 >        } catch (IllegalArgumentException success) {}
781      }
782  
783 <    /**
784 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
783 >    /**
784 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
785       */
786      public void testConstructor10() {
787          try {
788 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
788 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
789 >                                   new ArrayBlockingQueue<Runnable>(10),
790 >                                   new SimpleThreadFactory());
791              shouldThrow();
792 <        }
377 <        catch (IllegalArgumentException success){}
792 >        } catch (IllegalArgumentException success) {}
793      }
794  
795 <    /**
796 <     * Constructor throws if workQueue is set to null
795 >    /**
796 >     * Constructor throws if workQueue is set to null
797       */
798 <    public void testNullPointerException2() {
798 >    public void testConstructorNullPointerException2() {
799          try {
800 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
800 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
801 >                                   (BlockingQueue) null,
802 >                                   new SimpleThreadFactory());
803              shouldThrow();
804 <        }
388 <        catch (NullPointerException success){}  
804 >        } catch (NullPointerException success) {}
805      }
806  
807 <    /**
808 <     * Constructor throws if threadFactory is set to null
807 >    /**
808 >     * Constructor throws if threadFactory is set to null
809       */
810 <    public void testNullPointerException3() {
810 >    public void testConstructorNullPointerException3() {
811          try {
812 <            ThreadFactory f = null;
813 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
812 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
813 >                                   new ArrayBlockingQueue<Runnable>(10),
814 >                                   (ThreadFactory) null);
815              shouldThrow();
816 <        }
400 <        catch (NullPointerException success){}  
816 >        } catch (NullPointerException success) {}
817      }
818 <
819 <    
820 <    /**
405 <     * Constructor throws if corePoolSize argument is less than zero
818 >
819 >    /**
820 >     * Constructor throws if corePoolSize argument is less than zero
821       */
822      public void testConstructor11() {
823          try {
824 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
824 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
825 >                                   new ArrayBlockingQueue<Runnable>(10),
826 >                                   new NoOpREHandler());
827              shouldThrow();
828 <        }
412 <        catch (IllegalArgumentException success){}
828 >        } catch (IllegalArgumentException success) {}
829      }
830  
831 <    /**
832 <     * Constructor throws if maximumPoolSize is less than zero
831 >    /**
832 >     * Constructor throws if maximumPoolSize is less than zero
833       */
834      public void testConstructor12() {
835          try {
836 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
836 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
837 >                                   new ArrayBlockingQueue<Runnable>(10),
838 >                                   new NoOpREHandler());
839              shouldThrow();
840 <        }
423 <        catch (IllegalArgumentException success){}
840 >        } catch (IllegalArgumentException success) {}
841      }
842  
843 <    /**
844 <     * Constructor throws if maximumPoolSize is equal to zero
843 >    /**
844 >     * Constructor throws if maximumPoolSize is equal to zero
845       */
846      public void testConstructor13() {
847          try {
848 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
848 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
849 >                                   new ArrayBlockingQueue<Runnable>(10),
850 >                                   new NoOpREHandler());
851              shouldThrow();
852 <        }
434 <        catch (IllegalArgumentException success){}
852 >        } catch (IllegalArgumentException success) {}
853      }
854  
855 <    /**
856 <     * Constructor throws if keepAliveTime is less than zero
855 >    /**
856 >     * Constructor throws if keepAliveTime is less than zero
857       */
858      public void testConstructor14() {
859          try {
860 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
860 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
861 >                                   new ArrayBlockingQueue<Runnable>(10),
862 >                                   new NoOpREHandler());
863              shouldThrow();
864 <        }
445 <        catch (IllegalArgumentException success){}
864 >        } catch (IllegalArgumentException success) {}
865      }
866  
867 <    /**
868 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
867 >    /**
868 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
869       */
870      public void testConstructor15() {
871          try {
872 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
872 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
873 >                                   new ArrayBlockingQueue<Runnable>(10),
874 >                                   new NoOpREHandler());
875 >            shouldThrow();
876 >        } catch (IllegalArgumentException success) {}
877 >    }
878 >
879 >    /**
880 >     * Constructor throws if workQueue is set to null
881 >     */
882 >    public void testConstructorNullPointerException4() {
883 >        try {
884 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
885 >                                   (BlockingQueue) null,
886 >                                   new NoOpREHandler());
887 >            shouldThrow();
888 >        } catch (NullPointerException success) {}
889 >    }
890 >
891 >    /**
892 >     * Constructor throws if handler is set to null
893 >     */
894 >    public void testConstructorNullPointerException5() {
895 >        try {
896 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
897 >                                   new ArrayBlockingQueue<Runnable>(10),
898 >                                   (RejectedExecutionHandler) null);
899 >            shouldThrow();
900 >        } catch (NullPointerException success) {}
901 >    }
902 >
903 >    /**
904 >     * Constructor throws if corePoolSize argument is less than zero
905 >     */
906 >    public void testConstructor16() {
907 >        try {
908 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
909 >                                   new ArrayBlockingQueue<Runnable>(10),
910 >                                   new SimpleThreadFactory(),
911 >                                   new NoOpREHandler());
912 >            shouldThrow();
913 >        } catch (IllegalArgumentException success) {}
914 >    }
915 >
916 >    /**
917 >     * Constructor throws if maximumPoolSize is less than zero
918 >     */
919 >    public void testConstructor17() {
920 >        try {
921 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
922 >                                   new ArrayBlockingQueue<Runnable>(10),
923 >                                   new SimpleThreadFactory(),
924 >                                   new NoOpREHandler());
925 >            shouldThrow();
926 >        } catch (IllegalArgumentException success) {}
927 >    }
928 >
929 >    /**
930 >     * Constructor throws if maximumPoolSize is equal to zero
931 >     */
932 >    public void testConstructor18() {
933 >        try {
934 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
935 >                                   new ArrayBlockingQueue<Runnable>(10),
936 >                                   new SimpleThreadFactory(),
937 >                                   new NoOpREHandler());
938 >            shouldThrow();
939 >        } catch (IllegalArgumentException success) {}
940 >    }
941 >
942 >    /**
943 >     * Constructor throws if keepAliveTime is less than zero
944 >     */
945 >    public void testConstructor19() {
946 >        try {
947 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
948 >                                   new ArrayBlockingQueue<Runnable>(10),
949 >                                   new SimpleThreadFactory(),
950 >                                   new NoOpREHandler());
951 >            shouldThrow();
952 >        } catch (IllegalArgumentException success) {}
953 >    }
954 >
955 >    /**
956 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
957 >     */
958 >    public void testConstructor20() {
959 >        try {
960 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
961 >                                   new ArrayBlockingQueue<Runnable>(10),
962 >                                   new SimpleThreadFactory(),
963 >                                   new NoOpREHandler());
964 >            shouldThrow();
965 >        } catch (IllegalArgumentException success) {}
966 >    }
967 >
968 >    /**
969 >     * Constructor throws if workQueue is null
970 >     */
971 >    public void testConstructorNullPointerException6() {
972 >        try {
973 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
974 >                                   (BlockingQueue) null,
975 >                                   new SimpleThreadFactory(),
976 >                                   new NoOpREHandler());
977 >            shouldThrow();
978 >        } catch (NullPointerException success) {}
979 >    }
980 >
981 >    /**
982 >     * Constructor throws if handler is null
983 >     */
984 >    public void testConstructorNullPointerException7() {
985 >        try {
986 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
987 >                                   new ArrayBlockingQueue<Runnable>(10),
988 >                                   new SimpleThreadFactory(),
989 >                                   (RejectedExecutionHandler) null);
990 >            shouldThrow();
991 >        } catch (NullPointerException success) {}
992 >    }
993 >
994 >    /**
995 >     * Constructor throws if ThreadFactory is null
996 >     */
997 >    public void testConstructorNullPointerException8() {
998 >        try {
999 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1000 >                                   new ArrayBlockingQueue<Runnable>(10),
1001 >                                   (ThreadFactory) null,
1002 >                                   new NoOpREHandler());
1003              shouldThrow();
1004 +        } catch (NullPointerException success) {}
1005 +    }
1006 +
1007 +    /**
1008 +     * get of submitted callable throws InterruptedException if interrupted
1009 +     */
1010 +    public void testInterruptedSubmit() throws InterruptedException {
1011 +        final ThreadPoolExecutor p =
1012 +            new ThreadPoolExecutor(1, 1,
1013 +                                   60, SECONDS,
1014 +                                   new ArrayBlockingQueue<Runnable>(10));
1015 +
1016 +        final CountDownLatch threadStarted = new CountDownLatch(1);
1017 +        final CountDownLatch done = new CountDownLatch(1);
1018 +        try {
1019 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1020 +                public void realRun() throws Exception {
1021 +                    Callable task = new CheckedCallable<Boolean>() {
1022 +                        public Boolean realCall() throws InterruptedException {
1023 +                            threadStarted.countDown();
1024 +                            done.await();
1025 +                            return Boolean.TRUE;
1026 +                        }};
1027 +                    p.submit(task).get();
1028 +                }});
1029 +
1030 +            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1031 +            t.interrupt();
1032 +            awaitTermination(t, MEDIUM_DELAY_MS);
1033 +        } finally {
1034 +            done.countDown();
1035 +            joinPool(p);
1036 +        }
1037 +    }
1038 +
1039 +    /**
1040 +     * execute throws RejectedExecutionException if saturated.
1041 +     */
1042 +    public void testSaturatedExecute() {
1043 +        ThreadPoolExecutor p =
1044 +            new ThreadPoolExecutor(1, 1,
1045 +                                   LONG_DELAY_MS, MILLISECONDS,
1046 +                                   new ArrayBlockingQueue<Runnable>(1));
1047 +        final CountDownLatch done = new CountDownLatch(1);
1048 +        try {
1049 +            Runnable task = new CheckedRunnable() {
1050 +                public void realRun() throws InterruptedException {
1051 +                    done.await();
1052 +                }};
1053 +            for (int i = 0; i < 2; ++i)
1054 +                p.execute(task);
1055 +            for (int i = 0; i < 2; ++i) {
1056 +                try {
1057 +                    p.execute(task);
1058 +                    shouldThrow();
1059 +                } catch (RejectedExecutionException success) {}
1060 +                assertTrue(p.getTaskCount() <= 2);
1061 +            }
1062 +        } finally {
1063 +            done.countDown();
1064 +            joinPool(p);
1065 +        }
1066 +    }
1067 +
1068 +    /**
1069 +     * submit(runnable) throws RejectedExecutionException if saturated.
1070 +     */
1071 +    public void testSaturatedSubmitRunnable() {
1072 +        ThreadPoolExecutor p =
1073 +            new ThreadPoolExecutor(1, 1,
1074 +                                   LONG_DELAY_MS, MILLISECONDS,
1075 +                                   new ArrayBlockingQueue<Runnable>(1));
1076 +        final CountDownLatch done = new CountDownLatch(1);
1077 +        try {
1078 +            Runnable task = new CheckedRunnable() {
1079 +                public void realRun() throws InterruptedException {
1080 +                    done.await();
1081 +                }};
1082 +            for (int i = 0; i < 2; ++i)
1083 +                p.submit(task);
1084 +            for (int i = 0; i < 2; ++i) {
1085 +                try {
1086 +                    p.execute(task);
1087 +                    shouldThrow();
1088 +                } catch (RejectedExecutionException success) {}
1089 +                assertTrue(p.getTaskCount() <= 2);
1090 +            }
1091 +        } finally {
1092 +            done.countDown();
1093 +            joinPool(p);
1094 +        }
1095 +    }
1096 +
1097 +    /**
1098 +     * submit(callable) throws RejectedExecutionException if saturated.
1099 +     */
1100 +    public void testSaturatedSubmitCallable() {
1101 +        ThreadPoolExecutor p =
1102 +            new ThreadPoolExecutor(1, 1,
1103 +                                   LONG_DELAY_MS, MILLISECONDS,
1104 +                                   new ArrayBlockingQueue<Runnable>(1));
1105 +        final CountDownLatch done = new CountDownLatch(1);
1106 +        try {
1107 +            Runnable task = new CheckedRunnable() {
1108 +                public void realRun() throws InterruptedException {
1109 +                    done.await();
1110 +                }};
1111 +            for (int i = 0; i < 2; ++i)
1112 +                p.submit(Executors.callable(task));
1113 +            for (int i = 0; i < 2; ++i) {
1114 +                try {
1115 +                    p.execute(task);
1116 +                    shouldThrow();
1117 +                } catch (RejectedExecutionException success) {}
1118 +                assertTrue(p.getTaskCount() <= 2);
1119 +            }
1120 +        } finally {
1121 +            done.countDown();
1122 +            joinPool(p);
1123 +        }
1124 +    }
1125 +
1126 +    /**
1127 +     * executor using CallerRunsPolicy runs task if saturated.
1128 +     */
1129 +    public void testSaturatedExecute2() {
1130 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1131 +        final ThreadPoolExecutor p =
1132 +            new ThreadPoolExecutor(1, 1,
1133 +                                   LONG_DELAY_MS,
1134 +                                   MILLISECONDS,
1135 +                                   new ArrayBlockingQueue<Runnable>(1),
1136 +                                   h);
1137 +        try {
1138 +            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1139 +            for (int i = 0; i < tasks.length; ++i)
1140 +                tasks[i] = new TrackedNoOpRunnable();
1141 +            TrackedLongRunnable mr = new TrackedLongRunnable();
1142 +            p.execute(mr);
1143 +            for (int i = 0; i < tasks.length; ++i)
1144 +                p.execute(tasks[i]);
1145 +            for (int i = 1; i < tasks.length; ++i)
1146 +                assertTrue(tasks[i].done);
1147 +            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1148 +        } finally {
1149 +            joinPool(p);
1150 +        }
1151 +    }
1152 +
1153 +    /**
1154 +     * executor using DiscardPolicy drops task if saturated.
1155 +     */
1156 +    public void testSaturatedExecute3() {
1157 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1158 +        final ThreadPoolExecutor p =
1159 +            new ThreadPoolExecutor(1, 1,
1160 +                                   LONG_DELAY_MS, MILLISECONDS,
1161 +                                   new ArrayBlockingQueue<Runnable>(1),
1162 +                                   h);
1163 +        try {
1164 +            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1165 +            for (int i = 0; i < tasks.length; ++i)
1166 +                tasks[i] = new TrackedNoOpRunnable();
1167 +            p.execute(new TrackedLongRunnable());
1168 +            for (TrackedNoOpRunnable task : tasks)
1169 +                p.execute(task);
1170 +            for (TrackedNoOpRunnable task : tasks)
1171 +                assertFalse(task.done);
1172 +            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1173 +        } finally {
1174 +            joinPool(p);
1175 +        }
1176 +    }
1177 +
1178 +    /**
1179 +     * executor using DiscardOldestPolicy drops oldest task if saturated.
1180 +     */
1181 +    public void testSaturatedExecute4() {
1182 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1183 +        final ThreadPoolExecutor p =
1184 +            new ThreadPoolExecutor(1, 1,
1185 +                                   LONG_DELAY_MS, MILLISECONDS,
1186 +                                   new ArrayBlockingQueue<Runnable>(1),
1187 +                                   h);
1188 +        try {
1189 +            p.execute(new TrackedLongRunnable());
1190 +            TrackedLongRunnable r2 = new TrackedLongRunnable();
1191 +            p.execute(r2);
1192 +            assertTrue(p.getQueue().contains(r2));
1193 +            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1194 +            p.execute(r3);
1195 +            assertFalse(p.getQueue().contains(r2));
1196 +            assertTrue(p.getQueue().contains(r3));
1197 +            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1198 +        } finally {
1199 +            joinPool(p);
1200          }
456        catch (IllegalArgumentException success){}
1201      }
1202  
1203 <    /**
1204 <     * Constructor throws if workQueue is set to null
1203 >    /**
1204 >     * execute throws RejectedExecutionException if shutdown
1205       */
1206 <    public void testNullPointerException4() {
1206 >    public void testRejectedExecutionExceptionOnShutdown() {
1207 >        ThreadPoolExecutor p =
1208 >            new ThreadPoolExecutor(1, 1,
1209 >                                   LONG_DELAY_MS, MILLISECONDS,
1210 >                                   new ArrayBlockingQueue<Runnable>(1));
1211 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1212          try {
1213 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1213 >            p.execute(new NoOpRunnable());
1214              shouldThrow();
1215 +        } catch (RejectedExecutionException success) {}
1216 +
1217 +        joinPool(p);
1218 +    }
1219 +
1220 +    /**
1221 +     * execute using CallerRunsPolicy drops task on shutdown
1222 +     */
1223 +    public void testCallerRunsOnShutdown() {
1224 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1225 +        final ThreadPoolExecutor p =
1226 +            new ThreadPoolExecutor(1, 1,
1227 +                                   LONG_DELAY_MS, MILLISECONDS,
1228 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1229 +
1230 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1231 +        try {
1232 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1233 +            p.execute(r);
1234 +            assertFalse(r.done);
1235 +        } finally {
1236 +            joinPool(p);
1237 +        }
1238 +    }
1239 +
1240 +    /**
1241 +     * execute using DiscardPolicy drops task on shutdown
1242 +     */
1243 +    public void testDiscardOnShutdown() {
1244 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1245 +        ThreadPoolExecutor p =
1246 +            new ThreadPoolExecutor(1, 1,
1247 +                                   LONG_DELAY_MS, MILLISECONDS,
1248 +                                   new ArrayBlockingQueue<Runnable>(1),
1249 +                                   h);
1250 +
1251 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1252 +        try {
1253 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1254 +            p.execute(r);
1255 +            assertFalse(r.done);
1256 +        } finally {
1257 +            joinPool(p);
1258 +        }
1259 +    }
1260 +
1261 +    /**
1262 +     * execute using DiscardOldestPolicy drops task on shutdown
1263 +     */
1264 +    public void testDiscardOldestOnShutdown() {
1265 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1266 +        ThreadPoolExecutor p =
1267 +            new ThreadPoolExecutor(1, 1,
1268 +                                   LONG_DELAY_MS, MILLISECONDS,
1269 +                                   new ArrayBlockingQueue<Runnable>(1),
1270 +                                   h);
1271 +
1272 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1273 +        try {
1274 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1275 +            p.execute(r);
1276 +            assertFalse(r.done);
1277 +        } finally {
1278 +            joinPool(p);
1279          }
467        catch (NullPointerException success){}  
1280      }
1281  
1282 <    /**
1283 <     * Constructor throws if handler is set to null
1282 >    /**
1283 >     * execute(null) throws NPE
1284 >     */
1285 >    public void testExecuteNull() {
1286 >        ThreadPoolExecutor p =
1287 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1288 >                                   new ArrayBlockingQueue<Runnable>(10));
1289 >        try {
1290 >            p.execute(null);
1291 >            shouldThrow();
1292 >        } catch (NullPointerException success) {}
1293 >
1294 >        joinPool(p);
1295 >    }
1296 >
1297 >    /**
1298 >     * setCorePoolSize of negative value throws IllegalArgumentException
1299       */
1300 <    public void testNullPointerException5() {
1300 >    public void testCorePoolSizeIllegalArgumentException() {
1301 >        ThreadPoolExecutor p =
1302 >            new ThreadPoolExecutor(1, 2,
1303 >                                   LONG_DELAY_MS, MILLISECONDS,
1304 >                                   new ArrayBlockingQueue<Runnable>(10));
1305          try {
1306 <            RejectedExecutionHandler r = null;
476 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1306 >            p.setCorePoolSize(-1);
1307              shouldThrow();
1308 +        } catch (IllegalArgumentException success) {
1309 +        } finally {
1310 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1311          }
1312 <        catch (NullPointerException success){}  
1312 >        joinPool(p);
1313      }
1314  
1315 <    
1316 <    /**
1317 <     * Constructor throws if corePoolSize argument is less than zero
1315 >    /**
1316 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1317 >     * given a value less the core pool size
1318       */
1319 <    public void testConstructor16() {
1319 >    public void testMaximumPoolSizeIllegalArgumentException() {
1320 >        ThreadPoolExecutor p =
1321 >            new ThreadPoolExecutor(2, 3,
1322 >                                   LONG_DELAY_MS, MILLISECONDS,
1323 >                                   new ArrayBlockingQueue<Runnable>(10));
1324          try {
1325 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1325 >            p.setMaximumPoolSize(1);
1326              shouldThrow();
1327 +        } catch (IllegalArgumentException success) {
1328 +        } finally {
1329 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1330          }
1331 <        catch (IllegalArgumentException success){}
1331 >        joinPool(p);
1332      }
1333  
1334 <    /**
1335 <     * Constructor throws if maximumPoolSize is less than zero
1334 >    /**
1335 >     * setMaximumPoolSize throws IllegalArgumentException
1336 >     * if given a negative value
1337       */
1338 <    public void testConstructor17() {
1338 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1339 >        ThreadPoolExecutor p =
1340 >            new ThreadPoolExecutor(2, 3,
1341 >                                   LONG_DELAY_MS, MILLISECONDS,
1342 >                                   new ArrayBlockingQueue<Runnable>(10));
1343          try {
1344 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1344 >            p.setMaximumPoolSize(-1);
1345              shouldThrow();
1346 +        } catch (IllegalArgumentException success) {
1347 +        } finally {
1348 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1349 +        }
1350 +        joinPool(p);
1351 +    }
1352 +
1353 +    /**
1354 +     * Configuration changes that allow core pool size greater than
1355 +     * max pool size result in IllegalArgumentException.
1356 +     */
1357 +    public void testPoolSizeInvariants() {
1358 +        ThreadPoolExecutor p =
1359 +            new ThreadPoolExecutor(1, 1,
1360 +                                   LONG_DELAY_MS, MILLISECONDS,
1361 +                                   new ArrayBlockingQueue<Runnable>(10));
1362 +        for (int s = 1; s < 5; s++) {
1363 +            p.setMaximumPoolSize(s);
1364 +            p.setCorePoolSize(s);
1365 +            try {
1366 +                p.setMaximumPoolSize(s - 1);
1367 +                shouldThrow();
1368 +            } catch (IllegalArgumentException success) {}
1369 +            assertEquals(s, p.getCorePoolSize());
1370 +            assertEquals(s, p.getMaximumPoolSize());
1371 +            try {
1372 +                p.setCorePoolSize(s + 1);
1373 +                shouldThrow();
1374 +            } catch (IllegalArgumentException success) {}
1375 +            assertEquals(s, p.getCorePoolSize());
1376 +            assertEquals(s, p.getMaximumPoolSize());
1377          }
1378 <        catch (IllegalArgumentException success){}
1378 >        joinPool(p);
1379      }
1380  
1381 <    /**
1382 <     * Constructor throws if maximumPoolSize is equal to zero
1381 >    /**
1382 >     * setKeepAliveTime throws IllegalArgumentException
1383 >     * when given a negative value
1384       */
1385 <    public void testConstructor18() {
1385 >    public void testKeepAliveTimeIllegalArgumentException() {
1386 >        ThreadPoolExecutor p =
1387 >            new ThreadPoolExecutor(2, 3,
1388 >                                   LONG_DELAY_MS, MILLISECONDS,
1389 >                                   new ArrayBlockingQueue<Runnable>(10));
1390          try {
1391 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1391 >            p.setKeepAliveTime(-1,MILLISECONDS);
1392              shouldThrow();
1393 +        } catch (IllegalArgumentException success) {
1394 +        } finally {
1395 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1396          }
1397 <        catch (IllegalArgumentException success){}
1397 >        joinPool(p);
1398      }
1399  
1400 <    /**
1401 <     * Constructor throws if keepAliveTime is less than zero
1400 >    /**
1401 >     * terminated() is called on termination
1402       */
1403 <    public void testConstructor19() {
1403 >    public void testTerminated() {
1404 >        ExtendedTPE p = new ExtendedTPE();
1405 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1406 >        assertTrue(p.terminatedCalled());
1407 >        joinPool(p);
1408 >    }
1409 >
1410 >    /**
1411 >     * beforeExecute and afterExecute are called when executing task
1412 >     */
1413 >    public void testBeforeAfter() throws InterruptedException {
1414 >        ExtendedTPE p = new ExtendedTPE();
1415 >        try {
1416 >            final CountDownLatch done = new CountDownLatch(1);
1417 >            p.execute(new CheckedRunnable() {
1418 >                public void realRun() {
1419 >                    done.countDown();
1420 >                }});
1421 >            await(p.afterCalled);
1422 >            assertEquals(0, done.getCount());
1423 >            assertTrue(p.afterCalled());
1424 >            assertTrue(p.beforeCalled());
1425 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1426 >        } finally {
1427 >            joinPool(p);
1428 >        }
1429 >    }
1430 >
1431 >    /**
1432 >     * completed submit of callable returns result
1433 >     */
1434 >    public void testSubmitCallable() throws Exception {
1435 >        ExecutorService e =
1436 >            new ThreadPoolExecutor(2, 2,
1437 >                                   LONG_DELAY_MS, MILLISECONDS,
1438 >                                   new ArrayBlockingQueue<Runnable>(10));
1439 >        try {
1440 >            Future<String> future = e.submit(new StringTask());
1441 >            String result = future.get();
1442 >            assertSame(TEST_STRING, result);
1443 >        } finally {
1444 >            joinPool(e);
1445 >        }
1446 >    }
1447 >
1448 >    /**
1449 >     * completed submit of runnable returns successfully
1450 >     */
1451 >    public void testSubmitRunnable() throws Exception {
1452 >        ExecutorService e =
1453 >            new ThreadPoolExecutor(2, 2,
1454 >                                   LONG_DELAY_MS, MILLISECONDS,
1455 >                                   new ArrayBlockingQueue<Runnable>(10));
1456 >        try {
1457 >            Future<?> future = e.submit(new NoOpRunnable());
1458 >            future.get();
1459 >            assertTrue(future.isDone());
1460 >        } finally {
1461 >            joinPool(e);
1462 >        }
1463 >    }
1464 >
1465 >    /**
1466 >     * completed submit of (runnable, result) returns result
1467 >     */
1468 >    public void testSubmitRunnable2() throws Exception {
1469 >        ExecutorService e =
1470 >            new ThreadPoolExecutor(2, 2,
1471 >                                   LONG_DELAY_MS, MILLISECONDS,
1472 >                                   new ArrayBlockingQueue<Runnable>(10));
1473 >        try {
1474 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1475 >            String result = future.get();
1476 >            assertSame(TEST_STRING, result);
1477 >        } finally {
1478 >            joinPool(e);
1479 >        }
1480 >    }
1481 >
1482 >    /**
1483 >     * invokeAny(null) throws NPE
1484 >     */
1485 >    public void testInvokeAny1() throws Exception {
1486 >        ExecutorService e =
1487 >            new ThreadPoolExecutor(2, 2,
1488 >                                   LONG_DELAY_MS, MILLISECONDS,
1489 >                                   new ArrayBlockingQueue<Runnable>(10));
1490          try {
1491 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1491 >            e.invokeAny(null);
1492              shouldThrow();
1493 +        } catch (NullPointerException success) {
1494 +        } finally {
1495 +            joinPool(e);
1496          }
524        catch (IllegalArgumentException success){}
1497      }
1498  
1499 <    /**
1500 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
1499 >    /**
1500 >     * invokeAny(empty collection) throws IAE
1501       */
1502 <    public void testConstructor20() {
1502 >    public void testInvokeAny2() throws Exception {
1503 >        ExecutorService e =
1504 >            new ThreadPoolExecutor(2, 2,
1505 >                                   LONG_DELAY_MS, MILLISECONDS,
1506 >                                   new ArrayBlockingQueue<Runnable>(10));
1507          try {
1508 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1508 >            e.invokeAny(new ArrayList<Callable<String>>());
1509              shouldThrow();
1510 +        } catch (IllegalArgumentException success) {
1511 +        } finally {
1512 +            joinPool(e);
1513          }
535        catch (IllegalArgumentException success){}
1514      }
1515  
1516 <    /**
1517 <     * Constructor throws if workQueue is set to null
1516 >    /**
1517 >     * invokeAny(c) throws NPE if c has null elements
1518       */
1519 <    public void testNullPointerException6() {
1519 >    public void testInvokeAny3() throws Exception {
1520 >        final CountDownLatch latch = new CountDownLatch(1);
1521 >        final ExecutorService e =
1522 >            new ThreadPoolExecutor(2, 2,
1523 >                                   LONG_DELAY_MS, MILLISECONDS,
1524 >                                   new ArrayBlockingQueue<Runnable>(10));
1525 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1526 >        l.add(latchAwaitingStringTask(latch));
1527 >        l.add(null);
1528          try {
1529 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1529 >            e.invokeAny(l);
1530              shouldThrow();
1531 +        } catch (NullPointerException success) {
1532 +        } finally {
1533 +            latch.countDown();
1534 +            joinPool(e);
1535          }
546        catch (NullPointerException success){}  
1536      }
1537  
1538 <    /**
1539 <     * Constructor throws if handler is set to null
1538 >    /**
1539 >     * invokeAny(c) throws ExecutionException if no task completes
1540       */
1541 <    public void testNullPointerException7() {
1541 >    public void testInvokeAny4() throws Exception {
1542 >        ExecutorService e =
1543 >            new ThreadPoolExecutor(2, 2,
1544 >                                   LONG_DELAY_MS, MILLISECONDS,
1545 >                                   new ArrayBlockingQueue<Runnable>(10));
1546 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1547 >        l.add(new NPETask());
1548          try {
1549 <            RejectedExecutionHandler r = null;
555 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1549 >            e.invokeAny(l);
1550              shouldThrow();
1551 +        } catch (ExecutionException success) {
1552 +            assertTrue(success.getCause() instanceof NullPointerException);
1553 +        } finally {
1554 +            joinPool(e);
1555 +        }
1556 +    }
1557 +
1558 +    /**
1559 +     * invokeAny(c) returns result of some task
1560 +     */
1561 +    public void testInvokeAny5() throws Exception {
1562 +        ExecutorService e =
1563 +            new ThreadPoolExecutor(2, 2,
1564 +                                   LONG_DELAY_MS, MILLISECONDS,
1565 +                                   new ArrayBlockingQueue<Runnable>(10));
1566 +        try {
1567 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1568 +            l.add(new StringTask());
1569 +            l.add(new StringTask());
1570 +            String result = e.invokeAny(l);
1571 +            assertSame(TEST_STRING, result);
1572 +        } finally {
1573 +            joinPool(e);
1574          }
558        catch (NullPointerException success){}  
1575      }
1576  
1577 <    /**
1578 <     * Constructor throws if ThreadFactory is set top null
1577 >    /**
1578 >     * invokeAll(null) throws NPE
1579       */
1580 <    public void testNullPointerException8() {
1580 >    public void testInvokeAll1() throws Exception {
1581 >        ExecutorService e =
1582 >            new ThreadPoolExecutor(2, 2,
1583 >                                   LONG_DELAY_MS, MILLISECONDS,
1584 >                                   new ArrayBlockingQueue<Runnable>(10));
1585          try {
1586 <            ThreadFactory f = null;
567 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1586 >            e.invokeAll(null);
1587              shouldThrow();
1588 +        } catch (NullPointerException success) {
1589 +        } finally {
1590 +            joinPool(e);
1591          }
570        catch (NullPointerException successdn8){}  
1592      }
572    
1593  
1594      /**
1595 <     *  execute throws RejectedExecutionException if shutdown
1595 >     * invokeAll(empty collection) returns empty collection
1596       */
1597 <    public void testRejectedExecutionException() {
1598 <        ThreadPoolExecutor tpe = null;
1597 >    public void testInvokeAll2() throws InterruptedException {
1598 >        ExecutorService e =
1599 >            new ThreadPoolExecutor(2, 2,
1600 >                                   LONG_DELAY_MS, MILLISECONDS,
1601 >                                   new ArrayBlockingQueue<Runnable>(10));
1602          try {
1603 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1604 <        } catch(Exception e){}
1605 <        tpe.shutdown();
1606 <        try {
1607 <            tpe.execute(new NoOpRunnable());
585 <            shouldThrow();
586 <        } catch(RejectedExecutionException success){}
587 <        
588 <        joinPool(tpe);
1603 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1604 >            assertTrue(r.isEmpty());
1605 >        } finally {
1606 >            joinPool(e);
1607 >        }
1608      }
1609  
1610      /**
1611 <     *  execute throws RejectedExecutionException
593 <     *  if saturated.
1611 >     * invokeAll(c) throws NPE if c has null elements
1612       */
1613 <    public void testSaturatedExecute() {
1614 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1613 >    public void testInvokeAll3() throws Exception {
1614 >        ExecutorService e =
1615 >            new ThreadPoolExecutor(2, 2,
1616 >                                   LONG_DELAY_MS, MILLISECONDS,
1617 >                                   new ArrayBlockingQueue<Runnable>(10));
1618 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1619 >        l.add(new StringTask());
1620 >        l.add(null);
1621 >        try {
1622 >            e.invokeAll(l);
1623 >            shouldThrow();
1624 >        } catch (NullPointerException success) {
1625 >        } finally {
1626 >            joinPool(e);
1627 >        }
1628 >    }
1629 >
1630 >    /**
1631 >     * get of element of invokeAll(c) throws exception on failed task
1632 >     */
1633 >    public void testInvokeAll4() throws Exception {
1634 >        ExecutorService e =
1635 >            new ThreadPoolExecutor(2, 2,
1636 >                                   LONG_DELAY_MS, MILLISECONDS,
1637 >                                   new ArrayBlockingQueue<Runnable>(10));
1638          try {
1639 <            
1640 <            for(int i = 0; i < 5; ++i){
1641 <                p.execute(new MediumRunnable());
1639 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1640 >            l.add(new NPETask());
1641 >            List<Future<String>> futures = e.invokeAll(l);
1642 >            assertEquals(1, futures.size());
1643 >            try {
1644 >                futures.get(0).get();
1645 >                shouldThrow();
1646 >            } catch (ExecutionException success) {
1647 >                assertTrue(success.getCause() instanceof NullPointerException);
1648              }
1649 +        } finally {
1650 +            joinPool(e);
1651 +        }
1652 +    }
1653 +
1654 +    /**
1655 +     * invokeAll(c) returns results of all completed tasks
1656 +     */
1657 +    public void testInvokeAll5() throws Exception {
1658 +        ExecutorService e =
1659 +            new ThreadPoolExecutor(2, 2,
1660 +                                   LONG_DELAY_MS, MILLISECONDS,
1661 +                                   new ArrayBlockingQueue<Runnable>(10));
1662 +        try {
1663 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1664 +            l.add(new StringTask());
1665 +            l.add(new StringTask());
1666 +            List<Future<String>> futures = e.invokeAll(l);
1667 +            assertEquals(2, futures.size());
1668 +            for (Future<String> future : futures)
1669 +                assertSame(TEST_STRING, future.get());
1670 +        } finally {
1671 +            joinPool(e);
1672 +        }
1673 +    }
1674 +
1675 +    /**
1676 +     * timed invokeAny(null) throws NPE
1677 +     */
1678 +    public void testTimedInvokeAny1() throws Exception {
1679 +        ExecutorService e =
1680 +            new ThreadPoolExecutor(2, 2,
1681 +                                   LONG_DELAY_MS, MILLISECONDS,
1682 +                                   new ArrayBlockingQueue<Runnable>(10));
1683 +        try {
1684 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1685              shouldThrow();
1686 <        } catch(RejectedExecutionException success){}
1687 <        joinPool(p);
1686 >        } catch (NullPointerException success) {
1687 >        } finally {
1688 >            joinPool(e);
1689 >        }
1690      }
1691  
1692      /**
1693 <     *  execute (null) throws NPE
1693 >     * timed invokeAny(,,null) throws NPE
1694       */
1695 <    public void testExecuteNull() {
1696 <        ThreadPoolExecutor tpe = null;
1695 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1696 >        ExecutorService e =
1697 >            new ThreadPoolExecutor(2, 2,
1698 >                                   LONG_DELAY_MS, MILLISECONDS,
1699 >                                   new ArrayBlockingQueue<Runnable>(10));
1700 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1701 >        l.add(new StringTask());
1702          try {
1703 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614 <            tpe.execute(null);
1703 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1704              shouldThrow();
1705 <        } catch(NullPointerException success){}
1706 <        
1707 <        joinPool(tpe);
1705 >        } catch (NullPointerException success) {
1706 >        } finally {
1707 >            joinPool(e);
1708 >        }
1709      }
1710 <    
1710 >
1711      /**
1712 <     *  setCorePoolSize of netaitev value throws IllegalArgumentException
1712 >     * timed invokeAny(empty collection) throws IAE
1713       */
1714 <    public void testCorePoolSizeIllegalArgumentException() {
1715 <        ThreadPoolExecutor tpe = null;
1716 <        try {
1717 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1718 <        } catch(Exception e){}
1719 <        try {
1720 <            tpe.setCorePoolSize(-1);
1721 <            shouldThrow();
1722 <        } catch(IllegalArgumentException success){
1723 <        } finally {
1724 <            tpe.shutdown();
1725 <        }
1726 <        joinPool(tpe);
1727 <    }  
1728 <
1729 <    /**
1730 <     *  setMaximumPoolSize(int) throws IllegalArgumentException if
1731 <     *  given a value less the core pool size
1732 <     */  
1733 <    public void testMaximumPoolSizeIllegalArgumentException() {
1734 <        ThreadPoolExecutor tpe = null;
1714 >    public void testTimedInvokeAny2() throws Exception {
1715 >        ExecutorService e =
1716 >            new ThreadPoolExecutor(2, 2,
1717 >                                   LONG_DELAY_MS, MILLISECONDS,
1718 >                                   new ArrayBlockingQueue<Runnable>(10));
1719 >        try {
1720 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1721 >            shouldThrow();
1722 >        } catch (IllegalArgumentException success) {
1723 >        } finally {
1724 >            joinPool(e);
1725 >        }
1726 >    }
1727 >
1728 >    /**
1729 >     * timed invokeAny(c) throws NPE if c has null elements
1730 >     */
1731 >    public void testTimedInvokeAny3() throws Exception {
1732 >        final CountDownLatch latch = new CountDownLatch(1);
1733 >        final ExecutorService e =
1734 >            new ThreadPoolExecutor(2, 2,
1735 >                                   LONG_DELAY_MS, MILLISECONDS,
1736 >                                   new ArrayBlockingQueue<Runnable>(10));
1737 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1738 >        l.add(latchAwaitingStringTask(latch));
1739 >        l.add(null);
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 (NullPointerException success) {
1744 >        } finally {
1745 >            latch.countDown();
1746 >            joinPool(e);
1747 >        }
1748 >    }
1749 >
1750 >    /**
1751 >     * timed invokeAny(c) throws ExecutionException if no task completes
1752 >     */
1753 >    public void testTimedInvokeAny4() throws Exception {
1754 >        ExecutorService e =
1755 >            new ThreadPoolExecutor(2, 2,
1756 >                                   LONG_DELAY_MS, MILLISECONDS,
1757 >                                   new ArrayBlockingQueue<Runnable>(10));
1758 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1759 >        l.add(new NPETask());
1760          try {
1761 <            tpe.setMaximumPoolSize(1);
1761 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1762              shouldThrow();
1763 <        } catch(IllegalArgumentException success){
1763 >        } catch (ExecutionException success) {
1764 >            assertTrue(success.getCause() instanceof NullPointerException);
1765          } finally {
1766 <            tpe.shutdown();
1766 >            joinPool(e);
1767          }
655        joinPool(tpe);
1768      }
1769 <    
1769 >
1770      /**
1771 <     *  setMaximumPoolSize throws IllegalArgumentException
660 <     *  if given a negative value
1771 >     * timed invokeAny(c) returns result of some task
1772       */
1773 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1774 <        ThreadPoolExecutor tpe = null;
1773 >    public void testTimedInvokeAny5() throws Exception {
1774 >        ExecutorService e =
1775 >            new ThreadPoolExecutor(2, 2,
1776 >                                   LONG_DELAY_MS, MILLISECONDS,
1777 >                                   new ArrayBlockingQueue<Runnable>(10));
1778          try {
1779 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1780 <        } catch(Exception e){}
1779 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1780 >            l.add(new StringTask());
1781 >            l.add(new StringTask());
1782 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1783 >            assertSame(TEST_STRING, result);
1784 >        } finally {
1785 >            joinPool(e);
1786 >        }
1787 >    }
1788 >
1789 >    /**
1790 >     * timed invokeAll(null) throws NPE
1791 >     */
1792 >    public void testTimedInvokeAll1() throws Exception {
1793 >        ExecutorService e =
1794 >            new ThreadPoolExecutor(2, 2,
1795 >                                   LONG_DELAY_MS, MILLISECONDS,
1796 >                                   new ArrayBlockingQueue<Runnable>(10));
1797          try {
1798 <            tpe.setMaximumPoolSize(-1);
1798 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1799              shouldThrow();
1800 <        } catch(IllegalArgumentException success){
1800 >        } catch (NullPointerException success) {
1801          } finally {
1802 <            tpe.shutdown();
1802 >            joinPool(e);
1803          }
674        joinPool(tpe);
1804      }
676    
1805  
1806      /**
1807 <     *  setKeepAliveTime  throws IllegalArgumentException
680 <     *  when given a negative value
1807 >     * timed invokeAll(,,null) throws NPE
1808       */
1809 <    public void testKeepAliveTimeIllegalArgumentException() {
1810 <        ThreadPoolExecutor tpe = null;
1809 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1810 >        ExecutorService e =
1811 >            new ThreadPoolExecutor(2, 2,
1812 >                                   LONG_DELAY_MS, MILLISECONDS,
1813 >                                   new ArrayBlockingQueue<Runnable>(10));
1814 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1815 >        l.add(new StringTask());
1816 >        try {
1817 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1818 >            shouldThrow();
1819 >        } catch (NullPointerException success) {
1820 >        } finally {
1821 >            joinPool(e);
1822 >        }
1823 >    }
1824 >
1825 >    /**
1826 >     * timed invokeAll(empty collection) returns empty collection
1827 >     */
1828 >    public void testTimedInvokeAll2() throws InterruptedException {
1829 >        ExecutorService e =
1830 >            new ThreadPoolExecutor(2, 2,
1831 >                                   LONG_DELAY_MS, MILLISECONDS,
1832 >                                   new ArrayBlockingQueue<Runnable>(10));
1833 >        try {
1834 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1835 >            assertTrue(r.isEmpty());
1836 >        } finally {
1837 >            joinPool(e);
1838 >        }
1839 >    }
1840 >
1841 >    /**
1842 >     * timed invokeAll(c) throws NPE if c has null elements
1843 >     */
1844 >    public void testTimedInvokeAll3() 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 StringTask());
1851 >        l.add(null);
1852 >        try {
1853 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1854 >            shouldThrow();
1855 >        } catch (NullPointerException success) {
1856 >        } finally {
1857 >            joinPool(e);
1858 >        }
1859 >    }
1860 >
1861 >    /**
1862 >     * get of element of invokeAll(c) throws exception on failed task
1863 >     */
1864 >    public void testTimedInvokeAll4() throws Exception {
1865 >        ExecutorService e =
1866 >            new ThreadPoolExecutor(2, 2,
1867 >                                   LONG_DELAY_MS, MILLISECONDS,
1868 >                                   new ArrayBlockingQueue<Runnable>(10));
1869 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1870 >        l.add(new NPETask());
1871 >        List<Future<String>> futures =
1872 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1873 >        assertEquals(1, futures.size());
1874          try {
1875 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
686 <        } catch(Exception e){}
687 <        
688 <        try {
689 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1875 >            futures.get(0).get();
1876              shouldThrow();
1877 <        } catch(IllegalArgumentException success){
1877 >        } catch (ExecutionException success) {
1878 >            assertTrue(success.getCause() instanceof NullPointerException);
1879 >        } finally {
1880 >            joinPool(e);
1881 >        }
1882 >    }
1883 >
1884 >    /**
1885 >     * timed invokeAll(c) returns results of all completed tasks
1886 >     */
1887 >    public void testTimedInvokeAll5() throws Exception {
1888 >        ExecutorService e =
1889 >            new ThreadPoolExecutor(2, 2,
1890 >                                   LONG_DELAY_MS, MILLISECONDS,
1891 >                                   new ArrayBlockingQueue<Runnable>(10));
1892 >        try {
1893 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1894 >            l.add(new StringTask());
1895 >            l.add(new StringTask());
1896 >            List<Future<String>> futures =
1897 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1898 >            assertEquals(2, futures.size());
1899 >            for (Future<String> future : futures)
1900 >                assertSame(TEST_STRING, future.get());
1901 >        } finally {
1902 >            joinPool(e);
1903 >        }
1904 >    }
1905 >
1906 >    /**
1907 >     * timed invokeAll(c) cancels tasks not completed by timeout
1908 >     */
1909 >    public void testTimedInvokeAll6() throws Exception {
1910 >        ExecutorService e =
1911 >            new ThreadPoolExecutor(2, 2,
1912 >                                   LONG_DELAY_MS, MILLISECONDS,
1913 >                                   new ArrayBlockingQueue<Runnable>(10));
1914 >        try {
1915 >            for (long timeout = timeoutMillis();;) {
1916 >                List<Callable<String>> tasks = new ArrayList<>();
1917 >                tasks.add(new StringTask("0"));
1918 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1919 >                tasks.add(new StringTask("2"));
1920 >                long startTime = System.nanoTime();
1921 >                List<Future<String>> futures =
1922 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1923 >                assertEquals(tasks.size(), futures.size());
1924 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1925 >                for (Future future : futures)
1926 >                    assertTrue(future.isDone());
1927 >                assertTrue(futures.get(1).isCancelled());
1928 >                try {
1929 >                    assertEquals("0", futures.get(0).get());
1930 >                    assertEquals("2", futures.get(2).get());
1931 >                    break;
1932 >                } catch (CancellationException retryWithLongerTimeout) {
1933 >                    timeout *= 2;
1934 >                    if (timeout >= LONG_DELAY_MS / 2)
1935 >                        fail("expected exactly one task to be cancelled");
1936 >                }
1937 >            }
1938 >        } finally {
1939 >            joinPool(e);
1940 >        }
1941 >    }
1942 >
1943 >    /**
1944 >     * Execution continues if there is at least one thread even if
1945 >     * thread factory fails to create more
1946 >     */
1947 >    public void testFailingThreadFactory() throws InterruptedException {
1948 >        final ExecutorService e =
1949 >            new ThreadPoolExecutor(100, 100,
1950 >                                   LONG_DELAY_MS, MILLISECONDS,
1951 >                                   new LinkedBlockingQueue<Runnable>(),
1952 >                                   new FailingThreadFactory());
1953 >        try {
1954 >            final int TASKS = 100;
1955 >            final CountDownLatch done = new CountDownLatch(TASKS);
1956 >            for (int k = 0; k < TASKS; ++k)
1957 >                e.execute(new CheckedRunnable() {
1958 >                    public void realRun() {
1959 >                        done.countDown();
1960 >                    }});
1961 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1962 >        } finally {
1963 >            joinPool(e);
1964 >        }
1965 >    }
1966 >
1967 >    /**
1968 >     * allowsCoreThreadTimeOut is by default false.
1969 >     */
1970 >    public void testAllowsCoreThreadTimeOut() {
1971 >        final ThreadPoolExecutor p =
1972 >            new ThreadPoolExecutor(2, 2,
1973 >                                   1000, MILLISECONDS,
1974 >                                   new ArrayBlockingQueue<Runnable>(10));
1975 >        assertFalse(p.allowsCoreThreadTimeOut());
1976 >        joinPool(p);
1977 >    }
1978 >
1979 >    /**
1980 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1981 >     */
1982 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1983 >        long keepAliveTime = timeoutMillis();
1984 >        final ThreadPoolExecutor p =
1985 >            new ThreadPoolExecutor(2, 10,
1986 >                                   keepAliveTime, MILLISECONDS,
1987 >                                   new ArrayBlockingQueue<Runnable>(10));
1988 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1989 >        try {
1990 >            p.allowCoreThreadTimeOut(true);
1991 >            p.execute(new CheckedRunnable() {
1992 >                public void realRun() {
1993 >                    threadStarted.countDown();
1994 >                    assertEquals(1, p.getPoolSize());
1995 >                }});
1996 >            await(threadStarted);
1997 >            delay(keepAliveTime);
1998 >            long startTime = System.nanoTime();
1999 >            while (p.getPoolSize() > 0
2000 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2001 >                Thread.yield();
2002 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2003 >            assertEquals(0, p.getPoolSize());
2004 >        } finally {
2005 >            joinPool(p);
2006 >        }
2007 >    }
2008 >
2009 >    /**
2010 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2011 >     */
2012 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2013 >        long keepAliveTime = timeoutMillis();
2014 >        final ThreadPoolExecutor p =
2015 >            new ThreadPoolExecutor(2, 10,
2016 >                                   keepAliveTime, MILLISECONDS,
2017 >                                   new ArrayBlockingQueue<Runnable>(10));
2018 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2019 >        try {
2020 >            p.allowCoreThreadTimeOut(false);
2021 >            p.execute(new CheckedRunnable() {
2022 >                public void realRun() throws InterruptedException {
2023 >                    threadStarted.countDown();
2024 >                    assertTrue(p.getPoolSize() >= 1);
2025 >                }});
2026 >            delay(2 * keepAliveTime);
2027 >            assertTrue(p.getPoolSize() >= 1);
2028 >        } finally {
2029 >            joinPool(p);
2030 >        }
2031 >    }
2032 >
2033 >    /**
2034 >     * execute allows the same task to be submitted multiple times, even
2035 >     * if rejected
2036 >     */
2037 >    public void testRejectedRecycledTask() throws InterruptedException {
2038 >        final int nTasks = 1000;
2039 >        final CountDownLatch done = new CountDownLatch(nTasks);
2040 >        final Runnable recycledTask = new Runnable() {
2041 >            public void run() {
2042 >                done.countDown();
2043 >            }};
2044 >        final ThreadPoolExecutor p =
2045 >            new ThreadPoolExecutor(1, 30,
2046 >                                   60, SECONDS,
2047 >                                   new ArrayBlockingQueue(30));
2048 >        try {
2049 >            for (int i = 0; i < nTasks; ++i) {
2050 >                for (;;) {
2051 >                    try {
2052 >                        p.execute(recycledTask);
2053 >                        break;
2054 >                    }
2055 >                    catch (RejectedExecutionException ignore) {}
2056 >                }
2057 >            }
2058 >            // enough time to run all tasks
2059 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2060 >        } finally {
2061 >            joinPool(p);
2062 >        }
2063 >    }
2064 >
2065 >    /**
2066 >     * get(cancelled task) throws CancellationException
2067 >     */
2068 >    public void testGet_cancelled() throws Exception {
2069 >        final ExecutorService e =
2070 >            new ThreadPoolExecutor(1, 1,
2071 >                                   LONG_DELAY_MS, MILLISECONDS,
2072 >                                   new LinkedBlockingQueue<Runnable>());
2073 >        try {
2074 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2075 >            final CountDownLatch done = new CountDownLatch(1);
2076 >            final List<Future<?>> futures = new ArrayList<>();
2077 >            for (int i = 0; i < 2; i++) {
2078 >                Runnable r = new CheckedRunnable() { public void realRun()
2079 >                                                         throws Throwable {
2080 >                    blockerStarted.countDown();
2081 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2082 >                }};
2083 >                futures.add(e.submit(r));
2084 >            }
2085 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2086 >            for (Future<?> future : futures) future.cancel(false);
2087 >            for (Future<?> future : futures) {
2088 >                try {
2089 >                    future.get();
2090 >                    shouldThrow();
2091 >                } catch (CancellationException success) {}
2092 >                try {
2093 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2094 >                    shouldThrow();
2095 >                } catch (CancellationException success) {}
2096 >                assertTrue(future.isCancelled());
2097 >                assertTrue(future.isDone());
2098 >            }
2099 >            done.countDown();
2100          } finally {
2101 <            tpe.shutdown();
2101 >            joinPool(e);
2102          }
695        joinPool(tpe);
2103      }
2104 <  
2104 >
2105   }

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