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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 1.60 by jsr166, Sun Sep 27 18:50:50 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 +
33 + import junit.framework.Test;
34 + import junit.framework.TestSuite;
35  
36   public class ThreadPoolExecutorTest extends JSR166TestCase {
37      public static void main(String[] args) {
38 <        junit.textui.TestRunner.run (suite());  
38 >        main(suite(), args);
39      }
40      public static Test suite() {
41          return new TestSuite(ThreadPoolExecutorTest.class);
42      }
43 <    
43 >
44 >    static class ExtendedTPE extends ThreadPoolExecutor {
45 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
46 >        final CountDownLatch afterCalled = new CountDownLatch(1);
47 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
48 >
49 >        public ExtendedTPE() {
50 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
51 >        }
52 >        protected void beforeExecute(Thread t, Runnable r) {
53 >            beforeCalled.countDown();
54 >        }
55 >        protected void afterExecute(Runnable r, Throwable t) {
56 >            afterCalled.countDown();
57 >        }
58 >        protected void terminated() {
59 >            terminatedCalled.countDown();
60 >        }
61 >
62 >        public boolean beforeCalled() {
63 >            return beforeCalled.getCount() == 0;
64 >        }
65 >        public boolean afterCalled() {
66 >            return afterCalled.getCount() == 0;
67 >        }
68 >        public boolean terminatedCalled() {
69 >            return terminatedCalled.getCount() == 0;
70 >        }
71 >    }
72 >
73 >    static class FailingThreadFactory implements ThreadFactory {
74 >        int calls = 0;
75 >        public Thread newThread(Runnable r) {
76 >            if (++calls > 1) return null;
77 >            return new Thread(r);
78 >        }
79 >    }
80 >
81      /**
82 <     * For use as ThreadFactory in constructors
82 >     * execute successfully executes a runnable
83       */
84 <    static class MyThreadFactory implements ThreadFactory{
85 <        public Thread newThread(Runnable r){
86 <            return new Thread(r);
87 <        }  
84 >    public void testExecute() throws InterruptedException {
85 >        final ThreadPoolExecutor p =
86 >            new ThreadPoolExecutor(1, 1,
87 >                                   LONG_DELAY_MS, MILLISECONDS,
88 >                                   new ArrayBlockingQueue<Runnable>(10));
89 >        final CountDownLatch done = new CountDownLatch(1);
90 >        final Runnable task = new CheckedRunnable() {
91 >            public void realRun() {
92 >                done.countDown();
93 >            }};
94 >        try {
95 >            p.execute(task);
96 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
97 >        } finally {
98 >            joinPool(p);
99 >        }
100      }
101  
102      /**
103 <     * For use as RejectedExecutionHandler in constructors
103 >     * getActiveCount increases but doesn't overestimate, when a
104 >     * thread becomes active
105       */
106 <    static class MyREHandler implements RejectedExecutionHandler{
107 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
106 >    public void testGetActiveCount() throws InterruptedException {
107 >        final ThreadPoolExecutor p =
108 >            new ThreadPoolExecutor(2, 2,
109 >                                   LONG_DELAY_MS, MILLISECONDS,
110 >                                   new ArrayBlockingQueue<Runnable>(10));
111 >        final CountDownLatch threadStarted = new CountDownLatch(1);
112 >        final CountDownLatch done = new CountDownLatch(1);
113 >        try {
114 >            assertEquals(0, p.getActiveCount());
115 >            p.execute(new CheckedRunnable() {
116 >                public void realRun() throws InterruptedException {
117 >                    threadStarted.countDown();
118 >                    assertEquals(1, p.getActiveCount());
119 >                    done.await();
120 >                }});
121 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
122 >            assertEquals(1, p.getActiveCount());
123 >        } finally {
124 >            done.countDown();
125 >            joinPool(p);
126 >        }
127      }
128 <
128 >
129      /**
130 <     *   execute successfully executes a runnable
130 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
131       */
132 <    public void testExecute() {
133 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
134 <        try {
135 <            p1.execute(new Runnable() {
136 <                    public void run() {
137 <                        try {
138 <                            Thread.sleep(SHORT_DELAY_MS);
139 <                        } catch(InterruptedException e){
140 <                            threadUnexpectedException();
141 <                        }
142 <                    }
143 <                });
144 <            Thread.sleep(SMALL_DELAY_MS);
52 <        } catch(InterruptedException e){
53 <            unexpectedException();
54 <        }
55 <        joinPool(p1);
132 >    public void testPrestartCoreThread() {
133 >        final ThreadPoolExecutor p =
134 >            new ThreadPoolExecutor(2, 2,
135 >                                   LONG_DELAY_MS, MILLISECONDS,
136 >                                   new ArrayBlockingQueue<Runnable>(10));
137 >        assertEquals(0, p.getPoolSize());
138 >        assertTrue(p.prestartCoreThread());
139 >        assertEquals(1, p.getPoolSize());
140 >        assertTrue(p.prestartCoreThread());
141 >        assertEquals(2, p.getPoolSize());
142 >        assertFalse(p.prestartCoreThread());
143 >        assertEquals(2, p.getPoolSize());
144 >        joinPool(p);
145      }
146  
147      /**
148 <     *  getActiveCount increases but doesn't overestimate, when a
60 <     *  thread becomes active
148 >     * prestartAllCoreThreads starts all corePoolSize threads
149       */
150 <    public void testGetActiveCount() {
151 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152 <        assertEquals(0, p2.getActiveCount());
153 <        p2.execute(new MediumRunnable());
154 <        try {
155 <            Thread.sleep(SHORT_DELAY_MS);
156 <        } catch(Exception e){
157 <            unexpectedException();
158 <        }
159 <        assertEquals(1, p2.getActiveCount());
160 <        joinPool(p2);
150 >    public void testPrestartAllCoreThreads() {
151 >        final ThreadPoolExecutor p =
152 >            new ThreadPoolExecutor(2, 2,
153 >                                   LONG_DELAY_MS, MILLISECONDS,
154 >                                   new ArrayBlockingQueue<Runnable>(10));
155 >        assertEquals(0, p.getPoolSize());
156 >        p.prestartAllCoreThreads();
157 >        assertEquals(2, p.getPoolSize());
158 >        p.prestartAllCoreThreads();
159 >        assertEquals(2, p.getPoolSize());
160 >        joinPool(p);
161      }
162 <    
162 >
163      /**
164 <     *   getCompletedTaskCount increases, but doesn't overestimate,
165 <     *   when tasks complete
164 >     * getCompletedTaskCount increases, but doesn't overestimate,
165 >     * when tasks complete
166       */
167 <    public void testGetCompletedTaskCount() {
168 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169 <        assertEquals(0, p2.getCompletedTaskCount());
170 <        p2.execute(new ShortRunnable());
171 <        try {
172 <            Thread.sleep(MEDIUM_DELAY_MS);
173 <        } catch(Exception e){
174 <            unexpectedException();
167 >    public void testGetCompletedTaskCount() throws InterruptedException {
168 >        final ThreadPoolExecutor p =
169 >            new ThreadPoolExecutor(2, 2,
170 >                                   LONG_DELAY_MS, MILLISECONDS,
171 >                                   new ArrayBlockingQueue<Runnable>(10));
172 >        final CountDownLatch threadStarted = new CountDownLatch(1);
173 >        final CountDownLatch threadProceed = new CountDownLatch(1);
174 >        final CountDownLatch threadDone = new CountDownLatch(1);
175 >        try {
176 >            assertEquals(0, p.getCompletedTaskCount());
177 >            p.execute(new CheckedRunnable() {
178 >                public void realRun() throws InterruptedException {
179 >                    threadStarted.countDown();
180 >                    assertEquals(0, p.getCompletedTaskCount());
181 >                    threadProceed.await();
182 >                    threadDone.countDown();
183 >                }});
184 >            await(threadStarted);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            threadProceed.countDown();
187 >            threadDone.await();
188 >            long startTime = System.nanoTime();
189 >            while (p.getCompletedTaskCount() != 1) {
190 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
191 >                    fail("timed out");
192 >                Thread.yield();
193 >            }
194 >        } finally {
195 >            joinPool(p);
196          }
88        assertEquals(1, p2.getCompletedTaskCount());
89        p2.shutdown();
90        joinPool(p2);
197      }
198 <    
198 >
199      /**
200 <     *   getCorePoolSize returns size given in constructor if not otherwise set
200 >     * getCorePoolSize returns size given in constructor if not otherwise set
201       */
202      public void testGetCorePoolSize() {
203 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
204 <        assertEquals(1, p1.getCorePoolSize());
205 <        joinPool(p1);
203 >        final ThreadPoolExecutor p =
204 >            new ThreadPoolExecutor(1, 1,
205 >                                   LONG_DELAY_MS, MILLISECONDS,
206 >                                   new ArrayBlockingQueue<Runnable>(10));
207 >        assertEquals(1, p.getCorePoolSize());
208 >        joinPool(p);
209      }
210 <    
210 >
211      /**
212 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
212 >     * getKeepAliveTime returns value given in constructor if not otherwise set
213       */
214      public void testGetKeepAliveTime() {
215 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
216 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
217 <        joinPool(p2);
218 <    }
219 <    
220 <    /**
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);
215 >        final ThreadPoolExecutor p =
216 >            new ThreadPoolExecutor(2, 2,
217 >                                   1000, MILLISECONDS,
218 >                                   new ArrayBlockingQueue<Runnable>(10));
219 >        assertEquals(1, p.getKeepAliveTime(SECONDS));
220 >        joinPool(p);
221      }
222 <    
222 >
223      /**
224 <     *   getMaximumPoolSize returns value given in constructor if not
131 <     *   otherwise set
224 >     * getThreadFactory returns factory in constructor if not set
225       */
226 <    public void testGetMaximumPoolSize() {
227 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
228 <        assertEquals(2, p2.getMaximumPoolSize());
229 <        joinPool(p2);
226 >    public void testGetThreadFactory() {
227 >        ThreadFactory tf = new SimpleThreadFactory();
228 >        final ThreadPoolExecutor p =
229 >            new ThreadPoolExecutor(1, 2,
230 >                                   LONG_DELAY_MS, MILLISECONDS,
231 >                                   new ArrayBlockingQueue<Runnable>(10),
232 >                                   tf,
233 >                                   new NoOpREHandler());
234 >        assertSame(tf, p.getThreadFactory());
235 >        joinPool(p);
236      }
237 <    
237 >
238      /**
239 <     *   getPoolSize increases, but doesn't overestimate, when threads
141 <     *   become active
239 >     * setThreadFactory sets the thread factory returned by getThreadFactory
240       */
241 <    public void testGetPoolSize() {
242 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243 <        assertEquals(0, p1.getPoolSize());
244 <        p1.execute(new MediumRunnable());
245 <        assertEquals(1, p1.getPoolSize());
246 <        joinPool(p1);
241 >    public void testSetThreadFactory() {
242 >        final ThreadPoolExecutor p =
243 >            new ThreadPoolExecutor(1, 2,
244 >                                   LONG_DELAY_MS, MILLISECONDS,
245 >                                   new ArrayBlockingQueue<Runnable>(10));
246 >        ThreadFactory tf = new SimpleThreadFactory();
247 >        p.setThreadFactory(tf);
248 >        assertSame(tf, p.getThreadFactory());
249 >        joinPool(p);
250      }
251 <    
251 >
252      /**
253 <     *   getTaskCount increases, but doesn't overestimate, when tasks submitted
253 >     * setThreadFactory(null) throws NPE
254       */
255 <    public void testGetTaskCount() {
256 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
255 >    public void testSetThreadFactoryNull() {
256 >        final ThreadPoolExecutor p =
257 >            new ThreadPoolExecutor(1, 2,
258 >                                   LONG_DELAY_MS, MILLISECONDS,
259 >                                   new ArrayBlockingQueue<Runnable>(10));
260          try {
261 <            assertEquals(0, p1.getTaskCount());
262 <            p1.execute(new MediumRunnable());
263 <            Thread.sleep(SHORT_DELAY_MS);
264 <            assertEquals(1, p1.getTaskCount());
265 <        } catch(Exception e){
266 <            unexpectedException();
163 <        }
164 <        joinPool(p1);
261 >            p.setThreadFactory(null);
262 >            shouldThrow();
263 >        } catch (NullPointerException success) {
264 >        } finally {
265 >            joinPool(p);
266 >        }
267      }
268 <    
268 >
269      /**
270 <     *   isShutDown is false before shutdown, true after
270 >     * getRejectedExecutionHandler returns handler in constructor if not set
271       */
272 <    public void testIsShutdown() {
273 <        
274 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
275 <        assertFalse(p1.isShutdown());
276 <        p1.shutdown();
277 <        assertTrue(p1.isShutdown());
278 <        joinPool(p1);
272 >    public void testGetRejectedExecutionHandler() {
273 >        final RejectedExecutionHandler h = new NoOpREHandler();
274 >        final ThreadPoolExecutor p =
275 >            new ThreadPoolExecutor(1, 2,
276 >                                   LONG_DELAY_MS, MILLISECONDS,
277 >                                   new ArrayBlockingQueue<Runnable>(10),
278 >                                   h);
279 >        assertSame(h, p.getRejectedExecutionHandler());
280 >        joinPool(p);
281 >    }
282 >
283 >    /**
284 >     * setRejectedExecutionHandler sets the handler returned by
285 >     * getRejectedExecutionHandler
286 >     */
287 >    public void testSetRejectedExecutionHandler() {
288 >        final ThreadPoolExecutor p =
289 >            new ThreadPoolExecutor(1, 2,
290 >                                   LONG_DELAY_MS, MILLISECONDS,
291 >                                   new ArrayBlockingQueue<Runnable>(10));
292 >        RejectedExecutionHandler h = new NoOpREHandler();
293 >        p.setRejectedExecutionHandler(h);
294 >        assertSame(h, p.getRejectedExecutionHandler());
295 >        joinPool(p);
296      }
297  
179        
298      /**
299 <     *  isTerminated is false before termination, true after
299 >     * setRejectedExecutionHandler(null) throws NPE
300       */
301 <    public void testIsTerminated() {
302 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
303 <        assertFalse(p1.isTerminated());
301 >    public void testSetRejectedExecutionHandlerNull() {
302 >        final ThreadPoolExecutor p =
303 >            new ThreadPoolExecutor(1, 2,
304 >                                   LONG_DELAY_MS, MILLISECONDS,
305 >                                   new ArrayBlockingQueue<Runnable>(10));
306          try {
307 <            p1.execute(new MediumRunnable());
307 >            p.setRejectedExecutionHandler(null);
308 >            shouldThrow();
309 >        } catch (NullPointerException success) {
310          } finally {
311 <            p1.shutdown();
311 >            joinPool(p);
312          }
191        try {
192            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
193            assertTrue(p1.isTerminated());
194        } catch(Exception e){
195            unexpectedException();
196        }      
313      }
314  
315      /**
316 <     *  isTerminating is not true when running or when terminated
316 >     * getLargestPoolSize increases, but doesn't overestimate, when
317 >     * multiple threads active
318       */
319 <    public void testIsTerminating() {
320 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
321 <        assertFalse(p1.isTerminating());
322 <        try {
323 <            p1.execute(new SmallRunnable());
324 <            assertFalse(p1.isTerminating());
319 >    public void testGetLargestPoolSize() throws InterruptedException {
320 >        final int THREADS = 3;
321 >        final ThreadPoolExecutor p =
322 >            new ThreadPoolExecutor(THREADS, THREADS,
323 >                                   LONG_DELAY_MS, MILLISECONDS,
324 >                                   new ArrayBlockingQueue<Runnable>(10));
325 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
326 >        final CountDownLatch done = new CountDownLatch(1);
327 >        try {
328 >            assertEquals(0, p.getLargestPoolSize());
329 >            for (int i = 0; i < THREADS; i++)
330 >                p.execute(new CheckedRunnable() {
331 >                    public void realRun() throws InterruptedException {
332 >                        threadsStarted.countDown();
333 >                        done.await();
334 >                        assertEquals(THREADS, p.getLargestPoolSize());
335 >                    }});
336 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337 >            assertEquals(THREADS, p.getLargestPoolSize());
338          } finally {
339 <            p1.shutdown();
339 >            done.countDown();
340 >            joinPool(p);
341 >            assertEquals(THREADS, p.getLargestPoolSize());
342          }
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        }      
343      }
344  
345      /**
346 <     *   purge removes cancelled tasks from the queue
346 >     * getMaximumPoolSize returns value given in constructor if not
347 >     * otherwise set
348       */
349 <    public void testPurge() {
350 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
351 <        CancellableTask[] tasks = new CancellableTask[5];
352 <        for(int i = 0; i < 5; i++){
353 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
354 <            p1.execute(tasks[i]);
349 >    public void testGetMaximumPoolSize() {
350 >        final ThreadPoolExecutor p =
351 >            new ThreadPoolExecutor(2, 3,
352 >                                   LONG_DELAY_MS, MILLISECONDS,
353 >                                   new ArrayBlockingQueue<Runnable>(10));
354 >        assertEquals(3, p.getMaximumPoolSize());
355 >        joinPool(p);
356 >    }
357 >
358 >    /**
359 >     * getPoolSize increases, but doesn't overestimate, when threads
360 >     * become active
361 >     */
362 >    public void testGetPoolSize() throws InterruptedException {
363 >        final ThreadPoolExecutor p =
364 >            new ThreadPoolExecutor(1, 1,
365 >                                   LONG_DELAY_MS, MILLISECONDS,
366 >                                   new ArrayBlockingQueue<Runnable>(10));
367 >        final CountDownLatch threadStarted = new CountDownLatch(1);
368 >        final CountDownLatch done = new CountDownLatch(1);
369 >        try {
370 >            assertEquals(0, p.getPoolSize());
371 >            p.execute(new CheckedRunnable() {
372 >                public void realRun() throws InterruptedException {
373 >                    threadStarted.countDown();
374 >                    assertEquals(1, p.getPoolSize());
375 >                    done.await();
376 >                }});
377 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
378 >            assertEquals(1, p.getPoolSize());
379 >        } finally {
380 >            done.countDown();
381 >            joinPool(p);
382 >        }
383 >    }
384 >
385 >    /**
386 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
387 >     */
388 >    public void testGetTaskCount() throws InterruptedException {
389 >        final ThreadPoolExecutor p =
390 >            new ThreadPoolExecutor(1, 1,
391 >                                   LONG_DELAY_MS, MILLISECONDS,
392 >                                   new ArrayBlockingQueue<Runnable>(10));
393 >        final CountDownLatch threadStarted = new CountDownLatch(1);
394 >        final CountDownLatch done = new CountDownLatch(1);
395 >        try {
396 >            assertEquals(0, p.getTaskCount());
397 >            p.execute(new CheckedRunnable() {
398 >                public void realRun() throws InterruptedException {
399 >                    threadStarted.countDown();
400 >                    assertEquals(1, p.getTaskCount());
401 >                    done.await();
402 >                }});
403 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404 >            assertEquals(1, p.getTaskCount());
405 >        } finally {
406 >            done.countDown();
407 >            joinPool(p);
408 >        }
409 >    }
410 >
411 >    /**
412 >     * isShutdown is false before shutdown, true after
413 >     */
414 >    public void testIsShutdown() {
415 >        final ThreadPoolExecutor p =
416 >            new ThreadPoolExecutor(1, 1,
417 >                                   LONG_DELAY_MS, MILLISECONDS,
418 >                                   new ArrayBlockingQueue<Runnable>(10));
419 >        assertFalse(p.isShutdown());
420 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
421 >        assertTrue(p.isShutdown());
422 >        joinPool(p);
423 >    }
424 >
425 >    /**
426 >     * awaitTermination on a non-shutdown pool times out
427 >     */
428 >    public void testAwaitTermination_timesOut() throws InterruptedException {
429 >        final ThreadPoolExecutor p =
430 >            new ThreadPoolExecutor(1, 1,
431 >                                   LONG_DELAY_MS, MILLISECONDS,
432 >                                   new ArrayBlockingQueue<Runnable>(10));
433 >        assertFalse(p.isTerminated());
434 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
435 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
436 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
437 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
438 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
439 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
440 >        long timeoutNanos = 999999L;
441 >        long startTime = System.nanoTime();
442 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
443 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
444 >        assertFalse(p.isTerminated());
445 >        startTime = System.nanoTime();
446 >        long timeoutMillis = timeoutMillis();
447 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
448 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
449 >        assertFalse(p.isTerminated());
450 >        p.shutdown();
451 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
452 >        assertTrue(p.isTerminated());
453 >    }
454 >
455 >    /**
456 >     * isTerminated is false before termination, true after
457 >     */
458 >    public void testIsTerminated() throws InterruptedException {
459 >        final ThreadPoolExecutor p =
460 >            new ThreadPoolExecutor(1, 1,
461 >                                   LONG_DELAY_MS, MILLISECONDS,
462 >                                   new ArrayBlockingQueue<Runnable>(10));
463 >        final CountDownLatch threadStarted = new CountDownLatch(1);
464 >        final CountDownLatch done = new CountDownLatch(1);
465 >        assertFalse(p.isTerminated());
466 >        try {
467 >            p.execute(new CheckedRunnable() {
468 >                public void realRun() throws InterruptedException {
469 >                    assertFalse(p.isTerminated());
470 >                    threadStarted.countDown();
471 >                    done.await();
472 >                }});
473 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
474 >            assertFalse(p.isTerminating());
475 >            done.countDown();
476 >        } finally {
477 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
478          }
479 <        tasks[4].cancel(true);
480 <        tasks[3].cancel(true);
232 <        p1.purge();
233 <        long count = p1.getTaskCount();
234 <        assertTrue(count >= 2 && count < 5);
235 <        joinPool(p1);
479 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
480 >        assertTrue(p.isTerminated());
481      }
482  
483      /**
484 <     *  shutDownNow returns a list containing tasks that were not run
484 >     * isTerminating is not true when running or when terminated
485       */
486 <    public void testShutDownNow() {
487 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
486 >    public void testIsTerminating() throws InterruptedException {
487 >        final ThreadPoolExecutor p =
488 >            new ThreadPoolExecutor(1, 1,
489 >                                   LONG_DELAY_MS, MILLISECONDS,
490 >                                   new ArrayBlockingQueue<Runnable>(10));
491 >        final CountDownLatch threadStarted = new CountDownLatch(1);
492 >        final CountDownLatch done = new CountDownLatch(1);
493 >        try {
494 >            assertFalse(p.isTerminating());
495 >            p.execute(new CheckedRunnable() {
496 >                public void realRun() throws InterruptedException {
497 >                    assertFalse(p.isTerminating());
498 >                    threadStarted.countDown();
499 >                    done.await();
500 >                }});
501 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
502 >            assertFalse(p.isTerminating());
503 >            done.countDown();
504 >        } finally {
505 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
506 >        }
507 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
508 >        assertTrue(p.isTerminated());
509 >        assertFalse(p.isTerminating());
510 >    }
511 >
512 >    /**
513 >     * getQueue returns the work queue, which contains queued tasks
514 >     */
515 >    public void testGetQueue() throws InterruptedException {
516 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
517 >        final ThreadPoolExecutor p =
518 >            new ThreadPoolExecutor(1, 1,
519 >                                   LONG_DELAY_MS, MILLISECONDS,
520 >                                   q);
521 >        final CountDownLatch threadStarted = new CountDownLatch(1);
522 >        final CountDownLatch done = new CountDownLatch(1);
523 >        try {
524 >            FutureTask[] tasks = new FutureTask[5];
525 >            for (int i = 0; i < tasks.length; i++) {
526 >                Callable task = new CheckedCallable<Boolean>() {
527 >                    public Boolean realCall() throws InterruptedException {
528 >                        threadStarted.countDown();
529 >                        assertSame(q, p.getQueue());
530 >                        done.await();
531 >                        return Boolean.TRUE;
532 >                    }};
533 >                tasks[i] = new FutureTask(task);
534 >                p.execute(tasks[i]);
535 >            }
536 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
537 >            assertSame(q, p.getQueue());
538 >            assertFalse(q.contains(tasks[0]));
539 >            assertTrue(q.contains(tasks[tasks.length - 1]));
540 >            assertEquals(tasks.length - 1, q.size());
541 >        } finally {
542 >            done.countDown();
543 >            joinPool(p);
544 >        }
545 >    }
546 >
547 >    /**
548 >     * remove(task) removes queued task, and fails to remove active task
549 >     */
550 >    public void testRemove() throws InterruptedException {
551 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
552 >        final ThreadPoolExecutor p =
553 >            new ThreadPoolExecutor(1, 1,
554 >                                   LONG_DELAY_MS, MILLISECONDS,
555 >                                   q);
556 >        Runnable[] tasks = new Runnable[5];
557 >        final CountDownLatch threadStarted = new CountDownLatch(1);
558 >        final CountDownLatch done = new CountDownLatch(1);
559 >        try {
560 >            for (int i = 0; i < tasks.length; i++) {
561 >                tasks[i] = new CheckedRunnable() {
562 >                    public void realRun() throws InterruptedException {
563 >                        threadStarted.countDown();
564 >                        done.await();
565 >                    }};
566 >                p.execute(tasks[i]);
567 >            }
568 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569 >            assertFalse(p.remove(tasks[0]));
570 >            assertTrue(q.contains(tasks[4]));
571 >            assertTrue(q.contains(tasks[3]));
572 >            assertTrue(p.remove(tasks[4]));
573 >            assertFalse(p.remove(tasks[4]));
574 >            assertFalse(q.contains(tasks[4]));
575 >            assertTrue(q.contains(tasks[3]));
576 >            assertTrue(p.remove(tasks[3]));
577 >            assertFalse(q.contains(tasks[3]));
578 >        } finally {
579 >            done.countDown();
580 >            joinPool(p);
581 >        }
582 >    }
583 >
584 >    /**
585 >     * purge removes cancelled tasks from the queue
586 >     */
587 >    public void testPurge() throws InterruptedException {
588 >        final CountDownLatch threadStarted = new CountDownLatch(1);
589 >        final CountDownLatch done = new CountDownLatch(1);
590 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
591 >        final ThreadPoolExecutor p =
592 >            new ThreadPoolExecutor(1, 1,
593 >                                   LONG_DELAY_MS, MILLISECONDS,
594 >                                   q);
595 >        FutureTask[] tasks = new FutureTask[5];
596 >        try {
597 >            for (int i = 0; i < tasks.length; i++) {
598 >                Callable task = new CheckedCallable<Boolean>() {
599 >                    public Boolean realCall() throws InterruptedException {
600 >                        threadStarted.countDown();
601 >                        done.await();
602 >                        return Boolean.TRUE;
603 >                    }};
604 >                tasks[i] = new FutureTask(task);
605 >                p.execute(tasks[i]);
606 >            }
607 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608 >            assertEquals(tasks.length, p.getTaskCount());
609 >            assertEquals(tasks.length - 1, q.size());
610 >            assertEquals(1L, p.getActiveCount());
611 >            assertEquals(0L, p.getCompletedTaskCount());
612 >            tasks[4].cancel(true);
613 >            tasks[3].cancel(false);
614 >            p.purge();
615 >            assertEquals(tasks.length - 3, q.size());
616 >            assertEquals(tasks.length - 2, p.getTaskCount());
617 >            p.purge();         // Nothing to do
618 >            assertEquals(tasks.length - 3, q.size());
619 >            assertEquals(tasks.length - 2, p.getTaskCount());
620 >        } finally {
621 >            done.countDown();
622 >            joinPool(p);
623 >        }
624 >    }
625 >
626 >    /**
627 >     * shutdownNow returns a list containing tasks that were not run,
628 >     * and those tasks are drained from the queue
629 >     */
630 >    public void testShutdownNow() {
631 >        final ThreadPoolExecutor p =
632 >            new ThreadPoolExecutor(1, 1,
633 >                                   LONG_DELAY_MS, MILLISECONDS,
634 >                                   new ArrayBlockingQueue<Runnable>(10));
635          List l;
636          try {
637 <            for(int i = 0; i < 5; i++)
638 <                p1.execute(new MediumPossiblyInterruptedRunnable());
637 >            for (int i = 0; i < 5; i++)
638 >                p.execute(new MediumPossiblyInterruptedRunnable());
639          }
640          finally {
641 <            l = p1.shutdownNow();
642 <        }
643 <        assertTrue(p1.isShutdown());
644 <        assertTrue(l.size() <= 4);
641 >            try {
642 >                l = p.shutdownNow();
643 >            } catch (SecurityException ok) { return; }
644 >        }
645 >        assertTrue(p.isShutdown());
646 >        assertTrue(p.getQueue().isEmpty());
647 >        assertTrue(l.size() <= 4);
648      }
649  
650      // Exception Tests
256    
651  
652 <    /**
653 <     * Constructor throws if corePoolSize argument is less than zero
652 >    /**
653 >     * Constructor throws if corePoolSize argument is less than zero
654       */
655      public void testConstructor1() {
656          try {
657 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
657 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
658 >                                   new ArrayBlockingQueue<Runnable>(10));
659              shouldThrow();
660 <        }
266 <        catch (IllegalArgumentException success){}
660 >        } catch (IllegalArgumentException success) {}
661      }
662 <    
663 <    /**
664 <     * Constructor throws if maximumPoolSize is less than zero
662 >
663 >    /**
664 >     * Constructor throws if maximumPoolSize is less than zero
665       */
666      public void testConstructor2() {
667          try {
668 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
668 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
669 >                                   new ArrayBlockingQueue<Runnable>(10));
670              shouldThrow();
671 <        }
277 <        catch (IllegalArgumentException success){}
671 >        } catch (IllegalArgumentException success) {}
672      }
673 <    
674 <    /**
675 <     * Constructor throws if maximumPoolSize is equal to zero
673 >
674 >    /**
675 >     * Constructor throws if maximumPoolSize is equal to zero
676       */
677      public void testConstructor3() {
678          try {
679 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
679 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
680 >                                   new ArrayBlockingQueue<Runnable>(10));
681              shouldThrow();
682 <        }
288 <        catch (IllegalArgumentException success){}
682 >        } catch (IllegalArgumentException success) {}
683      }
684  
685 <    /**
686 <     * Constructor throws if keepAliveTime is less than zero
685 >    /**
686 >     * Constructor throws if keepAliveTime is less than zero
687       */
688      public void testConstructor4() {
689          try {
690 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
691 >                                   new ArrayBlockingQueue<Runnable>(10));
692              shouldThrow();
693 <        }
299 <        catch (IllegalArgumentException success){}
693 >        } catch (IllegalArgumentException success) {}
694      }
695  
696 <    /**
697 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
696 >    /**
697 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
698       */
699      public void testConstructor5() {
700          try {
701 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
702 >                                   new ArrayBlockingQueue<Runnable>(10));
703              shouldThrow();
704 <        }
310 <        catch (IllegalArgumentException success){}
704 >        } catch (IllegalArgumentException success) {}
705      }
706 <        
707 <    /**
708 <     * Constructor throws if workQueue is set to null
706 >
707 >    /**
708 >     * Constructor throws if workQueue is set to null
709       */
710 <    public void testNullPointerException() {
710 >    public void testConstructorNullPointerException() {
711          try {
712 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
712 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
713 >                                   (BlockingQueue) null);
714              shouldThrow();
715 <        }
321 <        catch (NullPointerException success){}  
715 >        } catch (NullPointerException success) {}
716      }
323    
717  
718 <    
719 <    /**
327 <     * Constructor throws if corePoolSize argument is less than zero
718 >    /**
719 >     * Constructor throws if corePoolSize argument is less than zero
720       */
721      public void testConstructor6() {
722          try {
723 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
723 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
724 >                                   new ArrayBlockingQueue<Runnable>(10),
725 >                                   new SimpleThreadFactory());
726              shouldThrow();
727 <        } catch (IllegalArgumentException success){}
727 >        } catch (IllegalArgumentException success) {}
728      }
729 <    
730 <    /**
731 <     * Constructor throws if maximumPoolSize is less than zero
729 >
730 >    /**
731 >     * Constructor throws if maximumPoolSize is less than zero
732       */
733      public void testConstructor7() {
734          try {
735 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
735 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
736 >                                   new ArrayBlockingQueue<Runnable>(10),
737 >                                   new SimpleThreadFactory());
738              shouldThrow();
739 <        }
344 <        catch (IllegalArgumentException success){}
739 >        } catch (IllegalArgumentException success) {}
740      }
741  
742 <    /**
743 <     * Constructor throws if maximumPoolSize is equal to zero
742 >    /**
743 >     * Constructor throws if maximumPoolSize is equal to zero
744       */
745      public void testConstructor8() {
746          try {
747 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
747 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
748 >                                   new ArrayBlockingQueue<Runnable>(10),
749 >                                   new SimpleThreadFactory());
750              shouldThrow();
751 <        }
355 <        catch (IllegalArgumentException success){}
751 >        } catch (IllegalArgumentException success) {}
752      }
753  
754 <    /**
755 <     * Constructor throws if keepAliveTime is less than zero
754 >    /**
755 >     * Constructor throws if keepAliveTime is less than zero
756       */
757      public void testConstructor9() {
758          try {
759 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
759 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
760 >                                   new ArrayBlockingQueue<Runnable>(10),
761 >                                   new SimpleThreadFactory());
762              shouldThrow();
763 <        }
366 <        catch (IllegalArgumentException success){}
763 >        } catch (IllegalArgumentException success) {}
764      }
765  
766 <    /**
767 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
766 >    /**
767 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
768       */
769      public void testConstructor10() {
770          try {
771 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
771 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
772 >                                   new ArrayBlockingQueue<Runnable>(10),
773 >                                   new SimpleThreadFactory());
774              shouldThrow();
775 <        }
377 <        catch (IllegalArgumentException success){}
775 >        } catch (IllegalArgumentException success) {}
776      }
777  
778 <    /**
779 <     * Constructor throws if workQueue is set to null
778 >    /**
779 >     * Constructor throws if workQueue is set to null
780       */
781 <    public void testNullPointerException2() {
781 >    public void testConstructorNullPointerException2() {
782          try {
783 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
783 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
784 >                                   (BlockingQueue) null,
785 >                                   new SimpleThreadFactory());
786              shouldThrow();
787 <        }
388 <        catch (NullPointerException success){}  
787 >        } catch (NullPointerException success) {}
788      }
789  
790 <    /**
791 <     * Constructor throws if threadFactory is set to null
790 >    /**
791 >     * Constructor throws if threadFactory is set to null
792       */
793 <    public void testNullPointerException3() {
793 >    public void testConstructorNullPointerException3() {
794          try {
795 <            ThreadFactory f = null;
796 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
795 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
796 >                                   new ArrayBlockingQueue<Runnable>(10),
797 >                                   (ThreadFactory) null);
798              shouldThrow();
799 <        }
400 <        catch (NullPointerException success){}  
799 >        } catch (NullPointerException success) {}
800      }
801 <
802 <    
803 <    /**
405 <     * Constructor throws if corePoolSize argument is less than zero
801 >
802 >    /**
803 >     * Constructor throws if corePoolSize argument is less than zero
804       */
805      public void testConstructor11() {
806          try {
807 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
807 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
808 >                                   new ArrayBlockingQueue<Runnable>(10),
809 >                                   new NoOpREHandler());
810              shouldThrow();
811 <        }
412 <        catch (IllegalArgumentException success){}
811 >        } catch (IllegalArgumentException success) {}
812      }
813  
814 <    /**
815 <     * Constructor throws if maximumPoolSize is less than zero
814 >    /**
815 >     * Constructor throws if maximumPoolSize is less than zero
816       */
817      public void testConstructor12() {
818          try {
819 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
819 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
820 >                                   new ArrayBlockingQueue<Runnable>(10),
821 >                                   new NoOpREHandler());
822              shouldThrow();
823 <        }
423 <        catch (IllegalArgumentException success){}
823 >        } catch (IllegalArgumentException success) {}
824      }
825  
826 <    /**
827 <     * Constructor throws if maximumPoolSize is equal to zero
826 >    /**
827 >     * Constructor throws if maximumPoolSize is equal to zero
828       */
829      public void testConstructor13() {
830          try {
831 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
831 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
832 >                                   new ArrayBlockingQueue<Runnable>(10),
833 >                                   new NoOpREHandler());
834              shouldThrow();
835 <        }
434 <        catch (IllegalArgumentException success){}
835 >        } catch (IllegalArgumentException success) {}
836      }
837  
838 <    /**
839 <     * Constructor throws if keepAliveTime is less than zero
838 >    /**
839 >     * Constructor throws if keepAliveTime is less than zero
840       */
841      public void testConstructor14() {
842          try {
843 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
843 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
844 >                                   new ArrayBlockingQueue<Runnable>(10),
845 >                                   new NoOpREHandler());
846              shouldThrow();
847 <        }
445 <        catch (IllegalArgumentException success){}
847 >        } catch (IllegalArgumentException success) {}
848      }
849  
850 <    /**
851 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
850 >    /**
851 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
852       */
853      public void testConstructor15() {
854          try {
855 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
855 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
856 >                                   new ArrayBlockingQueue<Runnable>(10),
857 >                                   new NoOpREHandler());
858 >            shouldThrow();
859 >        } catch (IllegalArgumentException success) {}
860 >    }
861 >
862 >    /**
863 >     * Constructor throws if workQueue is set to null
864 >     */
865 >    public void testConstructorNullPointerException4() {
866 >        try {
867 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
868 >                                   (BlockingQueue) null,
869 >                                   new NoOpREHandler());
870 >            shouldThrow();
871 >        } catch (NullPointerException success) {}
872 >    }
873 >
874 >    /**
875 >     * Constructor throws if handler is set to null
876 >     */
877 >    public void testConstructorNullPointerException5() {
878 >        try {
879 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
880 >                                   new ArrayBlockingQueue<Runnable>(10),
881 >                                   (RejectedExecutionHandler) null);
882 >            shouldThrow();
883 >        } catch (NullPointerException success) {}
884 >    }
885 >
886 >    /**
887 >     * Constructor throws if corePoolSize argument is less than zero
888 >     */
889 >    public void testConstructor16() {
890 >        try {
891 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
892 >                                   new ArrayBlockingQueue<Runnable>(10),
893 >                                   new SimpleThreadFactory(),
894 >                                   new NoOpREHandler());
895 >            shouldThrow();
896 >        } catch (IllegalArgumentException success) {}
897 >    }
898 >
899 >    /**
900 >     * Constructor throws if maximumPoolSize is less than zero
901 >     */
902 >    public void testConstructor17() {
903 >        try {
904 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
905 >                                   new ArrayBlockingQueue<Runnable>(10),
906 >                                   new SimpleThreadFactory(),
907 >                                   new NoOpREHandler());
908 >            shouldThrow();
909 >        } catch (IllegalArgumentException success) {}
910 >    }
911 >
912 >    /**
913 >     * Constructor throws if maximumPoolSize is equal to zero
914 >     */
915 >    public void testConstructor18() {
916 >        try {
917 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
918 >                                   new ArrayBlockingQueue<Runnable>(10),
919 >                                   new SimpleThreadFactory(),
920 >                                   new NoOpREHandler());
921 >            shouldThrow();
922 >        } catch (IllegalArgumentException success) {}
923 >    }
924 >
925 >    /**
926 >     * Constructor throws if keepAliveTime is less than zero
927 >     */
928 >    public void testConstructor19() {
929 >        try {
930 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
931 >                                   new ArrayBlockingQueue<Runnable>(10),
932 >                                   new SimpleThreadFactory(),
933 >                                   new NoOpREHandler());
934 >            shouldThrow();
935 >        } catch (IllegalArgumentException success) {}
936 >    }
937 >
938 >    /**
939 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
940 >     */
941 >    public void testConstructor20() {
942 >        try {
943 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
944 >                                   new ArrayBlockingQueue<Runnable>(10),
945 >                                   new SimpleThreadFactory(),
946 >                                   new NoOpREHandler());
947 >            shouldThrow();
948 >        } catch (IllegalArgumentException success) {}
949 >    }
950 >
951 >    /**
952 >     * Constructor throws if workQueue is null
953 >     */
954 >    public void testConstructorNullPointerException6() {
955 >        try {
956 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
957 >                                   (BlockingQueue) null,
958 >                                   new SimpleThreadFactory(),
959 >                                   new NoOpREHandler());
960              shouldThrow();
961 +        } catch (NullPointerException success) {}
962 +    }
963 +
964 +    /**
965 +     * Constructor throws if handler is null
966 +     */
967 +    public void testConstructorNullPointerException7() {
968 +        try {
969 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
970 +                                   new ArrayBlockingQueue<Runnable>(10),
971 +                                   new SimpleThreadFactory(),
972 +                                   (RejectedExecutionHandler) null);
973 +            shouldThrow();
974 +        } catch (NullPointerException success) {}
975 +    }
976 +
977 +    /**
978 +     * Constructor throws if ThreadFactory is null
979 +     */
980 +    public void testConstructorNullPointerException8() {
981 +        try {
982 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
983 +                                   new ArrayBlockingQueue<Runnable>(10),
984 +                                   (ThreadFactory) null,
985 +                                   new NoOpREHandler());
986 +            shouldThrow();
987 +        } catch (NullPointerException success) {}
988 +    }
989 +
990 +    /**
991 +     * get of submitted callable throws InterruptedException if interrupted
992 +     */
993 +    public void testInterruptedSubmit() throws InterruptedException {
994 +        final ThreadPoolExecutor p =
995 +            new ThreadPoolExecutor(1, 1,
996 +                                   60, SECONDS,
997 +                                   new ArrayBlockingQueue<Runnable>(10));
998 +
999 +        final CountDownLatch threadStarted = new CountDownLatch(1);
1000 +        final CountDownLatch done = new CountDownLatch(1);
1001 +        try {
1002 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1003 +                public void realRun() throws Exception {
1004 +                    Callable task = new CheckedCallable<Boolean>() {
1005 +                        public Boolean realCall() throws InterruptedException {
1006 +                            threadStarted.countDown();
1007 +                            done.await();
1008 +                            return Boolean.TRUE;
1009 +                        }};
1010 +                    p.submit(task).get();
1011 +                }});
1012 +
1013 +            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1014 +            t.interrupt();
1015 +            awaitTermination(t, MEDIUM_DELAY_MS);
1016 +        } finally {
1017 +            done.countDown();
1018 +            joinPool(p);
1019 +        }
1020 +    }
1021 +
1022 +    /**
1023 +     * execute throws RejectedExecutionException if saturated.
1024 +     */
1025 +    public void testSaturatedExecute() {
1026 +        ThreadPoolExecutor p =
1027 +            new ThreadPoolExecutor(1, 1,
1028 +                                   LONG_DELAY_MS, MILLISECONDS,
1029 +                                   new ArrayBlockingQueue<Runnable>(1));
1030 +        final CountDownLatch done = new CountDownLatch(1);
1031 +        try {
1032 +            Runnable task = new CheckedRunnable() {
1033 +                public void realRun() throws InterruptedException {
1034 +                    done.await();
1035 +                }};
1036 +            for (int i = 0; i < 2; ++i)
1037 +                p.execute(task);
1038 +            for (int i = 0; i < 2; ++i) {
1039 +                try {
1040 +                    p.execute(task);
1041 +                    shouldThrow();
1042 +                } catch (RejectedExecutionException success) {}
1043 +                assertTrue(p.getTaskCount() <= 2);
1044 +            }
1045 +        } finally {
1046 +            done.countDown();
1047 +            joinPool(p);
1048          }
456        catch (IllegalArgumentException success){}
1049      }
1050  
1051 <    /**
1052 <     * Constructor throws if workQueue is set to null
1051 >    /**
1052 >     * submit(runnable) throws RejectedExecutionException if saturated.
1053       */
1054 <    public void testNullPointerException4() {
1054 >    public void testSaturatedSubmitRunnable() {
1055 >        ThreadPoolExecutor p =
1056 >            new ThreadPoolExecutor(1, 1,
1057 >                                   LONG_DELAY_MS, MILLISECONDS,
1058 >                                   new ArrayBlockingQueue<Runnable>(1));
1059 >        final CountDownLatch done = new CountDownLatch(1);
1060 >        try {
1061 >            Runnable task = new CheckedRunnable() {
1062 >                public void realRun() throws InterruptedException {
1063 >                    done.await();
1064 >                }};
1065 >            for (int i = 0; i < 2; ++i)
1066 >                p.submit(task);
1067 >            for (int i = 0; i < 2; ++i) {
1068 >                try {
1069 >                    p.execute(task);
1070 >                    shouldThrow();
1071 >                } catch (RejectedExecutionException success) {}
1072 >                assertTrue(p.getTaskCount() <= 2);
1073 >            }
1074 >        } finally {
1075 >            done.countDown();
1076 >            joinPool(p);
1077 >        }
1078 >    }
1079 >
1080 >    /**
1081 >     * submit(callable) throws RejectedExecutionException if saturated.
1082 >     */
1083 >    public void testSaturatedSubmitCallable() {
1084 >        ThreadPoolExecutor p =
1085 >            new ThreadPoolExecutor(1, 1,
1086 >                                   LONG_DELAY_MS, MILLISECONDS,
1087 >                                   new ArrayBlockingQueue<Runnable>(1));
1088 >        final CountDownLatch done = new CountDownLatch(1);
1089 >        try {
1090 >            Runnable task = new CheckedRunnable() {
1091 >                public void realRun() throws InterruptedException {
1092 >                    done.await();
1093 >                }};
1094 >            for (int i = 0; i < 2; ++i)
1095 >                p.submit(Executors.callable(task));
1096 >            for (int i = 0; i < 2; ++i) {
1097 >                try {
1098 >                    p.execute(task);
1099 >                    shouldThrow();
1100 >                } catch (RejectedExecutionException success) {}
1101 >                assertTrue(p.getTaskCount() <= 2);
1102 >            }
1103 >        } finally {
1104 >            done.countDown();
1105 >            joinPool(p);
1106 >        }
1107 >    }
1108 >
1109 >    /**
1110 >     * executor using CallerRunsPolicy runs task if saturated.
1111 >     */
1112 >    public void testSaturatedExecute2() {
1113 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1114 >        final ThreadPoolExecutor p =
1115 >            new ThreadPoolExecutor(1, 1,
1116 >                                   LONG_DELAY_MS,
1117 >                                   MILLISECONDS,
1118 >                                   new ArrayBlockingQueue<Runnable>(1),
1119 >                                   h);
1120 >        try {
1121 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1122 >            for (int i = 0; i < tasks.length; ++i)
1123 >                tasks[i] = new TrackedNoOpRunnable();
1124 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1125 >            p.execute(mr);
1126 >            for (int i = 0; i < tasks.length; ++i)
1127 >                p.execute(tasks[i]);
1128 >            for (int i = 1; i < tasks.length; ++i)
1129 >                assertTrue(tasks[i].done);
1130 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1131 >        } finally {
1132 >            joinPool(p);
1133 >        }
1134 >    }
1135 >
1136 >    /**
1137 >     * executor using DiscardPolicy drops task if saturated.
1138 >     */
1139 >    public void testSaturatedExecute3() {
1140 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1141 >        final ThreadPoolExecutor p =
1142 >            new ThreadPoolExecutor(1, 1,
1143 >                                   LONG_DELAY_MS, MILLISECONDS,
1144 >                                   new ArrayBlockingQueue<Runnable>(1),
1145 >                                   h);
1146 >        try {
1147 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1148 >            for (int i = 0; i < tasks.length; ++i)
1149 >                tasks[i] = new TrackedNoOpRunnable();
1150 >            p.execute(new TrackedLongRunnable());
1151 >            for (TrackedNoOpRunnable task : tasks)
1152 >                p.execute(task);
1153 >            for (TrackedNoOpRunnable task : tasks)
1154 >                assertFalse(task.done);
1155 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156 >        } finally {
1157 >            joinPool(p);
1158 >        }
1159 >    }
1160 >
1161 >    /**
1162 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1163 >     */
1164 >    public void testSaturatedExecute4() {
1165 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1166 >        final ThreadPoolExecutor p =
1167 >            new ThreadPoolExecutor(1, 1,
1168 >                                   LONG_DELAY_MS, MILLISECONDS,
1169 >                                   new ArrayBlockingQueue<Runnable>(1),
1170 >                                   h);
1171 >        try {
1172 >            p.execute(new TrackedLongRunnable());
1173 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1174 >            p.execute(r2);
1175 >            assertTrue(p.getQueue().contains(r2));
1176 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1177 >            p.execute(r3);
1178 >            assertFalse(p.getQueue().contains(r2));
1179 >            assertTrue(p.getQueue().contains(r3));
1180 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1181 >        } finally {
1182 >            joinPool(p);
1183 >        }
1184 >    }
1185 >
1186 >    /**
1187 >     * execute throws RejectedExecutionException if shutdown
1188 >     */
1189 >    public void testRejectedExecutionExceptionOnShutdown() {
1190 >        ThreadPoolExecutor p =
1191 >            new ThreadPoolExecutor(1, 1,
1192 >                                   LONG_DELAY_MS, MILLISECONDS,
1193 >                                   new ArrayBlockingQueue<Runnable>(1));
1194 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1195          try {
1196 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1196 >            p.execute(new NoOpRunnable());
1197              shouldThrow();
1198 +        } catch (RejectedExecutionException success) {}
1199 +
1200 +        joinPool(p);
1201 +    }
1202 +
1203 +    /**
1204 +     * execute using CallerRunsPolicy drops task on shutdown
1205 +     */
1206 +    public void testCallerRunsOnShutdown() {
1207 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1208 +        final ThreadPoolExecutor p =
1209 +            new ThreadPoolExecutor(1, 1,
1210 +                                   LONG_DELAY_MS, MILLISECONDS,
1211 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1212 +
1213 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1214 +        try {
1215 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1216 +            p.execute(r);
1217 +            assertFalse(r.done);
1218 +        } finally {
1219 +            joinPool(p);
1220 +        }
1221 +    }
1222 +
1223 +    /**
1224 +     * execute using DiscardPolicy drops task on shutdown
1225 +     */
1226 +    public void testDiscardOnShutdown() {
1227 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1228 +        ThreadPoolExecutor p =
1229 +            new ThreadPoolExecutor(1, 1,
1230 +                                   LONG_DELAY_MS, MILLISECONDS,
1231 +                                   new ArrayBlockingQueue<Runnable>(1),
1232 +                                   h);
1233 +
1234 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1235 +        try {
1236 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1237 +            p.execute(r);
1238 +            assertFalse(r.done);
1239 +        } finally {
1240 +            joinPool(p);
1241          }
467        catch (NullPointerException success){}  
1242      }
1243  
1244 <    /**
1245 <     * Constructor throws if handler is set to null
1244 >    /**
1245 >     * execute using DiscardOldestPolicy drops task on shutdown
1246       */
1247 <    public void testNullPointerException5() {
1247 >    public void testDiscardOldestOnShutdown() {
1248 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1249 >        ThreadPoolExecutor p =
1250 >            new ThreadPoolExecutor(1, 1,
1251 >                                   LONG_DELAY_MS, MILLISECONDS,
1252 >                                   new ArrayBlockingQueue<Runnable>(1),
1253 >                                   h);
1254 >
1255 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1256          try {
1257 <            RejectedExecutionHandler r = null;
1258 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1257 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1258 >            p.execute(r);
1259 >            assertFalse(r.done);
1260 >        } finally {
1261 >            joinPool(p);
1262 >        }
1263 >    }
1264 >
1265 >    /**
1266 >     * execute(null) throws NPE
1267 >     */
1268 >    public void testExecuteNull() {
1269 >        ThreadPoolExecutor p =
1270 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1271 >                                   new ArrayBlockingQueue<Runnable>(10));
1272 >        try {
1273 >            p.execute(null);
1274 >            shouldThrow();
1275 >        } catch (NullPointerException success) {}
1276 >
1277 >        joinPool(p);
1278 >    }
1279 >
1280 >    /**
1281 >     * setCorePoolSize of negative value throws IllegalArgumentException
1282 >     */
1283 >    public void testCorePoolSizeIllegalArgumentException() {
1284 >        ThreadPoolExecutor p =
1285 >            new ThreadPoolExecutor(1, 2,
1286 >                                   LONG_DELAY_MS, MILLISECONDS,
1287 >                                   new ArrayBlockingQueue<Runnable>(10));
1288 >        try {
1289 >            p.setCorePoolSize(-1);
1290              shouldThrow();
1291 +        } catch (IllegalArgumentException success) {
1292 +        } finally {
1293 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1294          }
1295 <        catch (NullPointerException success){}  
1295 >        joinPool(p);
1296      }
1297  
1298 <    
1299 <    /**
1300 <     * Constructor throws if corePoolSize argument is less than zero
1298 >    /**
1299 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1300 >     * given a value less the core pool size
1301       */
1302 <    public void testConstructor16() {
1302 >    public void testMaximumPoolSizeIllegalArgumentException() {
1303 >        ThreadPoolExecutor p =
1304 >            new ThreadPoolExecutor(2, 3,
1305 >                                   LONG_DELAY_MS, MILLISECONDS,
1306 >                                   new ArrayBlockingQueue<Runnable>(10));
1307          try {
1308 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1308 >            p.setMaximumPoolSize(1);
1309              shouldThrow();
1310 +        } catch (IllegalArgumentException success) {
1311 +        } finally {
1312 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1313          }
1314 <        catch (IllegalArgumentException success){}
1314 >        joinPool(p);
1315      }
1316  
1317 <    /**
1318 <     * Constructor throws if maximumPoolSize is less than zero
1317 >    /**
1318 >     * setMaximumPoolSize throws IllegalArgumentException
1319 >     * if given a negative value
1320       */
1321 <    public void testConstructor17() {
1321 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1322 >        ThreadPoolExecutor p =
1323 >            new ThreadPoolExecutor(2, 3,
1324 >                                   LONG_DELAY_MS, MILLISECONDS,
1325 >                                   new ArrayBlockingQueue<Runnable>(10));
1326          try {
1327 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1327 >            p.setMaximumPoolSize(-1);
1328              shouldThrow();
1329 +        } catch (IllegalArgumentException success) {
1330 +        } finally {
1331 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1332          }
1333 <        catch (IllegalArgumentException success){}
1333 >        joinPool(p);
1334      }
1335  
1336 <    /**
1337 <     * Constructor throws if maximumPoolSize is equal to zero
1336 >    /**
1337 >     * Configuration changes that allow core pool size greater than
1338 >     * max pool size result in IllegalArgumentException.
1339       */
1340 <    public void testConstructor18() {
1340 >    public void testPoolSizeInvariants() {
1341 >        ThreadPoolExecutor p =
1342 >            new ThreadPoolExecutor(1, 1,
1343 >                                   LONG_DELAY_MS, MILLISECONDS,
1344 >                                   new ArrayBlockingQueue<Runnable>(10));
1345 >        for (int s = 1; s < 5; s++) {
1346 >            p.setMaximumPoolSize(s);
1347 >            p.setCorePoolSize(s);
1348 >            try {
1349 >                p.setMaximumPoolSize(s - 1);
1350 >                shouldThrow();
1351 >            } catch (IllegalArgumentException success) {}
1352 >            assertEquals(s, p.getCorePoolSize());
1353 >            assertEquals(s, p.getMaximumPoolSize());
1354 >            try {
1355 >                p.setCorePoolSize(s + 1);
1356 >                shouldThrow();
1357 >            } catch (IllegalArgumentException success) {}
1358 >            assertEquals(s, p.getCorePoolSize());
1359 >            assertEquals(s, p.getMaximumPoolSize());
1360 >        }
1361 >        joinPool(p);
1362 >    }
1363 >
1364 >    /**
1365 >     * setKeepAliveTime throws IllegalArgumentException
1366 >     * when given a negative value
1367 >     */
1368 >    public void testKeepAliveTimeIllegalArgumentException() {
1369 >        ThreadPoolExecutor p =
1370 >            new ThreadPoolExecutor(2, 3,
1371 >                                   LONG_DELAY_MS, MILLISECONDS,
1372 >                                   new ArrayBlockingQueue<Runnable>(10));
1373          try {
1374 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1374 >            p.setKeepAliveTime(-1,MILLISECONDS);
1375              shouldThrow();
1376 +        } catch (IllegalArgumentException success) {
1377 +        } finally {
1378 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1379          }
1380 <        catch (IllegalArgumentException success){}
1380 >        joinPool(p);
1381      }
1382  
1383 <    /**
1384 <     * Constructor throws if keepAliveTime is less than zero
1383 >    /**
1384 >     * terminated() is called on termination
1385       */
1386 <    public void testConstructor19() {
1386 >    public void testTerminated() {
1387 >        ExtendedTPE p = new ExtendedTPE();
1388 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1389 >        assertTrue(p.terminatedCalled());
1390 >        joinPool(p);
1391 >    }
1392 >
1393 >    /**
1394 >     * beforeExecute and afterExecute are called when executing task
1395 >     */
1396 >    public void testBeforeAfter() throws InterruptedException {
1397 >        ExtendedTPE p = new ExtendedTPE();
1398 >        try {
1399 >            final CountDownLatch done = new CountDownLatch(1);
1400 >            p.execute(new CheckedRunnable() {
1401 >                public void realRun() {
1402 >                    done.countDown();
1403 >                }});
1404 >            await(p.afterCalled);
1405 >            assertEquals(0, done.getCount());
1406 >            assertTrue(p.afterCalled());
1407 >            assertTrue(p.beforeCalled());
1408 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1409 >        } finally {
1410 >            joinPool(p);
1411 >        }
1412 >    }
1413 >
1414 >    /**
1415 >     * completed submit of callable returns result
1416 >     */
1417 >    public void testSubmitCallable() throws Exception {
1418 >        ExecutorService e =
1419 >            new ThreadPoolExecutor(2, 2,
1420 >                                   LONG_DELAY_MS, MILLISECONDS,
1421 >                                   new ArrayBlockingQueue<Runnable>(10));
1422 >        try {
1423 >            Future<String> future = e.submit(new StringTask());
1424 >            String result = future.get();
1425 >            assertSame(TEST_STRING, result);
1426 >        } finally {
1427 >            joinPool(e);
1428 >        }
1429 >    }
1430 >
1431 >    /**
1432 >     * completed submit of runnable returns successfully
1433 >     */
1434 >    public void testSubmitRunnable() throws Exception {
1435 >        ExecutorService e =
1436 >            new ThreadPoolExecutor(2, 2,
1437 >                                   LONG_DELAY_MS, MILLISECONDS,
1438 >                                   new ArrayBlockingQueue<Runnable>(10));
1439          try {
1440 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1440 >            Future<?> future = e.submit(new NoOpRunnable());
1441 >            future.get();
1442 >            assertTrue(future.isDone());
1443 >        } finally {
1444 >            joinPool(e);
1445 >        }
1446 >    }
1447 >
1448 >    /**
1449 >     * completed submit of (runnable, result) returns result
1450 >     */
1451 >    public void testSubmitRunnable2() throws Exception {
1452 >        ExecutorService e =
1453 >            new ThreadPoolExecutor(2, 2,
1454 >                                   LONG_DELAY_MS, MILLISECONDS,
1455 >                                   new ArrayBlockingQueue<Runnable>(10));
1456 >        try {
1457 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1458 >            String result = future.get();
1459 >            assertSame(TEST_STRING, result);
1460 >        } finally {
1461 >            joinPool(e);
1462 >        }
1463 >    }
1464 >
1465 >    /**
1466 >     * invokeAny(null) throws NPE
1467 >     */
1468 >    public void testInvokeAny1() throws Exception {
1469 >        ExecutorService e =
1470 >            new ThreadPoolExecutor(2, 2,
1471 >                                   LONG_DELAY_MS, MILLISECONDS,
1472 >                                   new ArrayBlockingQueue<Runnable>(10));
1473 >        try {
1474 >            e.invokeAny(null);
1475              shouldThrow();
1476 +        } catch (NullPointerException success) {
1477 +        } finally {
1478 +            joinPool(e);
1479          }
524        catch (IllegalArgumentException success){}
1480      }
1481  
1482 <    /**
1483 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
1482 >    /**
1483 >     * invokeAny(empty collection) throws IAE
1484       */
1485 <    public void testConstructor20() {
1485 >    public void testInvokeAny2() 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(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1491 >            e.invokeAny(new ArrayList<Callable<String>>());
1492              shouldThrow();
1493 +        } catch (IllegalArgumentException success) {
1494 +        } finally {
1495 +            joinPool(e);
1496          }
535        catch (IllegalArgumentException success){}
1497      }
1498  
1499 <    /**
1500 <     * Constructor throws if workQueue is set to null
1499 >    /**
1500 >     * invokeAny(c) throws NPE if c has null elements
1501       */
1502 <    public void testNullPointerException6() {
1502 >    public void testInvokeAny3() throws Exception {
1503 >        final CountDownLatch latch = new CountDownLatch(1);
1504 >        final ExecutorService e =
1505 >            new ThreadPoolExecutor(2, 2,
1506 >                                   LONG_DELAY_MS, MILLISECONDS,
1507 >                                   new ArrayBlockingQueue<Runnable>(10));
1508 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1509 >        l.add(latchAwaitingStringTask(latch));
1510 >        l.add(null);
1511          try {
1512 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1512 >            e.invokeAny(l);
1513              shouldThrow();
1514 +        } catch (NullPointerException success) {
1515 +        } finally {
1516 +            latch.countDown();
1517 +            joinPool(e);
1518          }
546        catch (NullPointerException success){}  
1519      }
1520  
1521 <    /**
1522 <     * Constructor throws if handler is set to null
1521 >    /**
1522 >     * invokeAny(c) throws ExecutionException if no task completes
1523       */
1524 <    public void testNullPointerException7() {
1524 >    public void testInvokeAny4() throws Exception {
1525 >        ExecutorService e =
1526 >            new ThreadPoolExecutor(2, 2,
1527 >                                   LONG_DELAY_MS, MILLISECONDS,
1528 >                                   new ArrayBlockingQueue<Runnable>(10));
1529 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1530 >        l.add(new NPETask());
1531          try {
1532 <            RejectedExecutionHandler r = null;
555 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1532 >            e.invokeAny(l);
1533              shouldThrow();
1534 +        } catch (ExecutionException success) {
1535 +            assertTrue(success.getCause() instanceof NullPointerException);
1536 +        } finally {
1537 +            joinPool(e);
1538          }
558        catch (NullPointerException success){}  
1539      }
1540  
1541 <    /**
1542 <     * Constructor throws if ThreadFactory is set top null
1541 >    /**
1542 >     * invokeAny(c) returns result of some task
1543       */
1544 <    public void testNullPointerException8() {
1544 >    public void testInvokeAny5() throws Exception {
1545 >        ExecutorService e =
1546 >            new ThreadPoolExecutor(2, 2,
1547 >                                   LONG_DELAY_MS, MILLISECONDS,
1548 >                                   new ArrayBlockingQueue<Runnable>(10));
1549          try {
1550 <            ThreadFactory f = null;
1551 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1550 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1551 >            l.add(new StringTask());
1552 >            l.add(new StringTask());
1553 >            String result = e.invokeAny(l);
1554 >            assertSame(TEST_STRING, result);
1555 >        } finally {
1556 >            joinPool(e);
1557 >        }
1558 >    }
1559 >
1560 >    /**
1561 >     * invokeAll(null) throws NPE
1562 >     */
1563 >    public void testInvokeAll1() throws Exception {
1564 >        ExecutorService e =
1565 >            new ThreadPoolExecutor(2, 2,
1566 >                                   LONG_DELAY_MS, MILLISECONDS,
1567 >                                   new ArrayBlockingQueue<Runnable>(10));
1568 >        try {
1569 >            e.invokeAll(null);
1570              shouldThrow();
1571 +        } catch (NullPointerException success) {
1572 +        } finally {
1573 +            joinPool(e);
1574          }
570        catch (NullPointerException successdn8){}  
1575      }
572    
1576  
1577      /**
1578 <     *  execute throws RejectedExecutionException if shutdown
1578 >     * invokeAll(empty collection) returns empty collection
1579       */
1580 <    public void testRejectedExecutionException() {
1581 <        ThreadPoolExecutor tpe = null;
1580 >    public void testInvokeAll2() throws InterruptedException {
1581 >        ExecutorService e =
1582 >            new ThreadPoolExecutor(2, 2,
1583 >                                   LONG_DELAY_MS, MILLISECONDS,
1584 >                                   new ArrayBlockingQueue<Runnable>(10));
1585          try {
1586 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1587 <        } catch(Exception e){}
1588 <        tpe.shutdown();
1589 <        try {
1590 <            tpe.execute(new NoOpRunnable());
585 <            shouldThrow();
586 <        } catch(RejectedExecutionException success){}
587 <        
588 <        joinPool(tpe);
1586 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1587 >            assertTrue(r.isEmpty());
1588 >        } finally {
1589 >            joinPool(e);
1590 >        }
1591      }
1592  
1593      /**
1594 <     *  execute throws RejectedExecutionException
593 <     *  if saturated.
1594 >     * invokeAll(c) throws NPE if c has null elements
1595       */
1596 <    public void testSaturatedExecute() {
1597 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1596 >    public void testInvokeAll3() throws Exception {
1597 >        ExecutorService e =
1598 >            new ThreadPoolExecutor(2, 2,
1599 >                                   LONG_DELAY_MS, MILLISECONDS,
1600 >                                   new ArrayBlockingQueue<Runnable>(10));
1601 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1602 >        l.add(new StringTask());
1603 >        l.add(null);
1604          try {
1605 <            
1606 <            for(int i = 0; i < 5; ++i){
1607 <                p.execute(new MediumRunnable());
1605 >            e.invokeAll(l);
1606 >            shouldThrow();
1607 >        } catch (NullPointerException success) {
1608 >        } finally {
1609 >            joinPool(e);
1610 >        }
1611 >    }
1612 >
1613 >    /**
1614 >     * get of element of invokeAll(c) throws exception on failed task
1615 >     */
1616 >    public void testInvokeAll4() throws Exception {
1617 >        ExecutorService e =
1618 >            new ThreadPoolExecutor(2, 2,
1619 >                                   LONG_DELAY_MS, MILLISECONDS,
1620 >                                   new ArrayBlockingQueue<Runnable>(10));
1621 >        try {
1622 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1623 >            l.add(new NPETask());
1624 >            List<Future<String>> futures = e.invokeAll(l);
1625 >            assertEquals(1, futures.size());
1626 >            try {
1627 >                futures.get(0).get();
1628 >                shouldThrow();
1629 >            } catch (ExecutionException success) {
1630 >                assertTrue(success.getCause() instanceof NullPointerException);
1631              }
1632 +        } finally {
1633 +            joinPool(e);
1634 +        }
1635 +    }
1636 +
1637 +    /**
1638 +     * invokeAll(c) returns results of all completed tasks
1639 +     */
1640 +    public void testInvokeAll5() throws Exception {
1641 +        ExecutorService e =
1642 +            new ThreadPoolExecutor(2, 2,
1643 +                                   LONG_DELAY_MS, MILLISECONDS,
1644 +                                   new ArrayBlockingQueue<Runnable>(10));
1645 +        try {
1646 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1647 +            l.add(new StringTask());
1648 +            l.add(new StringTask());
1649 +            List<Future<String>> futures = e.invokeAll(l);
1650 +            assertEquals(2, futures.size());
1651 +            for (Future<String> future : futures)
1652 +                assertSame(TEST_STRING, future.get());
1653 +        } finally {
1654 +            joinPool(e);
1655 +        }
1656 +    }
1657 +
1658 +    /**
1659 +     * timed invokeAny(null) throws NPE
1660 +     */
1661 +    public void testTimedInvokeAny1() throws Exception {
1662 +        ExecutorService e =
1663 +            new ThreadPoolExecutor(2, 2,
1664 +                                   LONG_DELAY_MS, MILLISECONDS,
1665 +                                   new ArrayBlockingQueue<Runnable>(10));
1666 +        try {
1667 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1668              shouldThrow();
1669 <        } catch(RejectedExecutionException success){}
1670 <        joinPool(p);
1669 >        } catch (NullPointerException success) {
1670 >        } finally {
1671 >            joinPool(e);
1672 >        }
1673      }
1674  
1675      /**
1676 <     *  execute (null) throws NPE
1676 >     * timed invokeAny(,,null) throws NPE
1677       */
1678 <    public void testExecuteNull() {
1679 <        ThreadPoolExecutor tpe = null;
1678 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1679 >        ExecutorService e =
1680 >            new ThreadPoolExecutor(2, 2,
1681 >                                   LONG_DELAY_MS, MILLISECONDS,
1682 >                                   new ArrayBlockingQueue<Runnable>(10));
1683 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1684 >        l.add(new StringTask());
1685          try {
1686 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
614 <            tpe.execute(null);
1686 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1687              shouldThrow();
1688 <        } catch(NullPointerException success){}
1689 <        
1690 <        joinPool(tpe);
1688 >        } catch (NullPointerException success) {
1689 >        } finally {
1690 >            joinPool(e);
1691 >        }
1692      }
1693 <    
1693 >
1694      /**
1695 <     *  setCorePoolSize of netaitev value throws IllegalArgumentException
1695 >     * timed invokeAny(empty collection) throws IAE
1696       */
1697 <    public void testCorePoolSizeIllegalArgumentException() {
1698 <        ThreadPoolExecutor tpe = null;
1699 <        try {
1700 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1701 <        } catch(Exception e){}
629 <        try {
630 <            tpe.setCorePoolSize(-1);
631 <            shouldThrow();
632 <        } catch(IllegalArgumentException success){
633 <        } finally {
634 <            tpe.shutdown();
635 <        }
636 <        joinPool(tpe);
637 <    }  
638 <
639 <    /**
640 <     *  setMaximumPoolSize(int) throws IllegalArgumentException if
641 <     *  given a value less the core pool size
642 <     */  
643 <    public void testMaximumPoolSizeIllegalArgumentException() {
644 <        ThreadPoolExecutor tpe = null;
1697 >    public void testTimedInvokeAny2() throws Exception {
1698 >        ExecutorService e =
1699 >            new ThreadPoolExecutor(2, 2,
1700 >                                   LONG_DELAY_MS, MILLISECONDS,
1701 >                                   new ArrayBlockingQueue<Runnable>(10));
1702          try {
1703 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1704 <        } catch(Exception e){}
1703 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1704 >            shouldThrow();
1705 >        } catch (IllegalArgumentException success) {
1706 >        } finally {
1707 >            joinPool(e);
1708 >        }
1709 >    }
1710 >
1711 >    /**
1712 >     * timed invokeAny(c) throws NPE if c has null elements
1713 >     */
1714 >    public void testTimedInvokeAny3() throws Exception {
1715 >        final CountDownLatch latch = new CountDownLatch(1);
1716 >        final ExecutorService e =
1717 >            new ThreadPoolExecutor(2, 2,
1718 >                                   LONG_DELAY_MS, MILLISECONDS,
1719 >                                   new ArrayBlockingQueue<Runnable>(10));
1720 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1721 >        l.add(latchAwaitingStringTask(latch));
1722 >        l.add(null);
1723          try {
1724 <            tpe.setMaximumPoolSize(1);
1724 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1725              shouldThrow();
1726 <        } catch(IllegalArgumentException success){
1726 >        } catch (NullPointerException success) {
1727          } finally {
1728 <            tpe.shutdown();
1728 >            latch.countDown();
1729 >            joinPool(e);
1730          }
655        joinPool(tpe);
1731      }
1732 <    
1732 >
1733      /**
1734 <     *  setMaximumPoolSize throws IllegalArgumentException
660 <     *  if given a negative value
1734 >     * timed invokeAny(c) throws ExecutionException if no task completes
1735       */
1736 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1737 <        ThreadPoolExecutor tpe = null;
1736 >    public void testTimedInvokeAny4() throws Exception {
1737 >        ExecutorService e =
1738 >            new ThreadPoolExecutor(2, 2,
1739 >                                   LONG_DELAY_MS, MILLISECONDS,
1740 >                                   new ArrayBlockingQueue<Runnable>(10));
1741 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1742 >        l.add(new NPETask());
1743          try {
1744 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1745 <        } catch(Exception e){}
1744 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1745 >            shouldThrow();
1746 >        } catch (ExecutionException success) {
1747 >            assertTrue(success.getCause() instanceof NullPointerException);
1748 >        } finally {
1749 >            joinPool(e);
1750 >        }
1751 >    }
1752 >
1753 >    /**
1754 >     * timed invokeAny(c) returns result of some task
1755 >     */
1756 >    public void testTimedInvokeAny5() throws Exception {
1757 >        ExecutorService e =
1758 >            new ThreadPoolExecutor(2, 2,
1759 >                                   LONG_DELAY_MS, MILLISECONDS,
1760 >                                   new ArrayBlockingQueue<Runnable>(10));
1761          try {
1762 <            tpe.setMaximumPoolSize(-1);
1762 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1763 >            l.add(new StringTask());
1764 >            l.add(new StringTask());
1765 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1766 >            assertSame(TEST_STRING, result);
1767 >        } finally {
1768 >            joinPool(e);
1769 >        }
1770 >    }
1771 >
1772 >    /**
1773 >     * timed invokeAll(null) throws NPE
1774 >     */
1775 >    public void testTimedInvokeAll1() throws Exception {
1776 >        ExecutorService e =
1777 >            new ThreadPoolExecutor(2, 2,
1778 >                                   LONG_DELAY_MS, MILLISECONDS,
1779 >                                   new ArrayBlockingQueue<Runnable>(10));
1780 >        try {
1781 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1782              shouldThrow();
1783 <        } catch(IllegalArgumentException success){
1783 >        } catch (NullPointerException success) {
1784          } finally {
1785 <            tpe.shutdown();
1785 >            joinPool(e);
1786          }
674        joinPool(tpe);
1787      }
676    
1788  
1789      /**
1790 <     *  setKeepAliveTime  throws IllegalArgumentException
680 <     *  when given a negative value
1790 >     * timed invokeAll(,,null) throws NPE
1791       */
1792 <    public void testKeepAliveTimeIllegalArgumentException() {
1793 <        ThreadPoolExecutor tpe = null;
1792 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1793 >        ExecutorService e =
1794 >            new ThreadPoolExecutor(2, 2,
1795 >                                   LONG_DELAY_MS, MILLISECONDS,
1796 >                                   new ArrayBlockingQueue<Runnable>(10));
1797 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1798 >        l.add(new StringTask());
1799 >        try {
1800 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1801 >            shouldThrow();
1802 >        } catch (NullPointerException success) {
1803 >        } finally {
1804 >            joinPool(e);
1805 >        }
1806 >    }
1807 >
1808 >    /**
1809 >     * timed invokeAll(empty collection) returns empty collection
1810 >     */
1811 >    public void testTimedInvokeAll2() throws InterruptedException {
1812 >        ExecutorService e =
1813 >            new ThreadPoolExecutor(2, 2,
1814 >                                   LONG_DELAY_MS, MILLISECONDS,
1815 >                                   new ArrayBlockingQueue<Runnable>(10));
1816          try {
1817 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1818 <        } catch(Exception e){}
1819 <        
1820 <        try {
1821 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1817 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1818 >            assertTrue(r.isEmpty());
1819 >        } finally {
1820 >            joinPool(e);
1821 >        }
1822 >    }
1823 >
1824 >    /**
1825 >     * timed invokeAll(c) throws NPE if c has null elements
1826 >     */
1827 >    public void testTimedInvokeAll3() throws Exception {
1828 >        ExecutorService e =
1829 >            new ThreadPoolExecutor(2, 2,
1830 >                                   LONG_DELAY_MS, MILLISECONDS,
1831 >                                   new ArrayBlockingQueue<Runnable>(10));
1832 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1833 >        l.add(new StringTask());
1834 >        l.add(null);
1835 >        try {
1836 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1837 >            shouldThrow();
1838 >        } catch (NullPointerException success) {
1839 >        } finally {
1840 >            joinPool(e);
1841 >        }
1842 >    }
1843 >
1844 >    /**
1845 >     * get of element of invokeAll(c) throws exception on failed task
1846 >     */
1847 >    public void testTimedInvokeAll4() throws Exception {
1848 >        ExecutorService e =
1849 >            new ThreadPoolExecutor(2, 2,
1850 >                                   LONG_DELAY_MS, MILLISECONDS,
1851 >                                   new ArrayBlockingQueue<Runnable>(10));
1852 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1853 >        l.add(new NPETask());
1854 >        List<Future<String>> futures =
1855 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1856 >        assertEquals(1, futures.size());
1857 >        try {
1858 >            futures.get(0).get();
1859              shouldThrow();
1860 <        } catch(IllegalArgumentException success){
1860 >        } catch (ExecutionException success) {
1861 >            assertTrue(success.getCause() instanceof NullPointerException);
1862 >        } finally {
1863 >            joinPool(e);
1864 >        }
1865 >    }
1866 >
1867 >    /**
1868 >     * timed invokeAll(c) returns results of all completed tasks
1869 >     */
1870 >    public void testTimedInvokeAll5() throws Exception {
1871 >        ExecutorService e =
1872 >            new ThreadPoolExecutor(2, 2,
1873 >                                   LONG_DELAY_MS, MILLISECONDS,
1874 >                                   new ArrayBlockingQueue<Runnable>(10));
1875 >        try {
1876 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1877 >            l.add(new StringTask());
1878 >            l.add(new StringTask());
1879 >            List<Future<String>> futures =
1880 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1881 >            assertEquals(2, futures.size());
1882 >            for (Future<String> future : futures)
1883 >                assertSame(TEST_STRING, future.get());
1884 >        } finally {
1885 >            joinPool(e);
1886 >        }
1887 >    }
1888 >
1889 >    /**
1890 >     * timed invokeAll(c) cancels tasks not completed by timeout
1891 >     */
1892 >    public void testTimedInvokeAll6() throws Exception {
1893 >        ExecutorService e =
1894 >            new ThreadPoolExecutor(2, 2,
1895 >                                   LONG_DELAY_MS, MILLISECONDS,
1896 >                                   new ArrayBlockingQueue<Runnable>(10));
1897 >        try {
1898 >            for (long timeout = timeoutMillis();;) {
1899 >                List<Callable<String>> tasks = new ArrayList<>();
1900 >                tasks.add(new StringTask("0"));
1901 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1902 >                tasks.add(new StringTask("2"));
1903 >                long startTime = System.nanoTime();
1904 >                List<Future<String>> futures =
1905 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1906 >                assertEquals(tasks.size(), futures.size());
1907 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1908 >                for (Future future : futures)
1909 >                    assertTrue(future.isDone());
1910 >                assertTrue(futures.get(1).isCancelled());
1911 >                try {
1912 >                    assertEquals("0", futures.get(0).get());
1913 >                    assertEquals("2", futures.get(2).get());
1914 >                    break;
1915 >                } catch (CancellationException retryWithLongerTimeout) {
1916 >                    timeout *= 2;
1917 >                    if (timeout >= LONG_DELAY_MS / 2)
1918 >                        fail("expected exactly one task to be cancelled");
1919 >                }
1920 >            }
1921          } finally {
1922 <            tpe.shutdown();
1922 >            joinPool(e);
1923          }
695        joinPool(tpe);
1924      }
1925 <  
1925 >
1926 >    /**
1927 >     * Execution continues if there is at least one thread even if
1928 >     * thread factory fails to create more
1929 >     */
1930 >    public void testFailingThreadFactory() throws InterruptedException {
1931 >        final ExecutorService e =
1932 >            new ThreadPoolExecutor(100, 100,
1933 >                                   LONG_DELAY_MS, MILLISECONDS,
1934 >                                   new LinkedBlockingQueue<Runnable>(),
1935 >                                   new FailingThreadFactory());
1936 >        try {
1937 >            final int TASKS = 100;
1938 >            final CountDownLatch done = new CountDownLatch(TASKS);
1939 >            for (int k = 0; k < TASKS; ++k)
1940 >                e.execute(new CheckedRunnable() {
1941 >                    public void realRun() {
1942 >                        done.countDown();
1943 >                    }});
1944 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1945 >        } finally {
1946 >            joinPool(e);
1947 >        }
1948 >    }
1949 >
1950 >    /**
1951 >     * allowsCoreThreadTimeOut is by default false.
1952 >     */
1953 >    public void testAllowsCoreThreadTimeOut() {
1954 >        final ThreadPoolExecutor p =
1955 >            new ThreadPoolExecutor(2, 2,
1956 >                                   1000, MILLISECONDS,
1957 >                                   new ArrayBlockingQueue<Runnable>(10));
1958 >        assertFalse(p.allowsCoreThreadTimeOut());
1959 >        joinPool(p);
1960 >    }
1961 >
1962 >    /**
1963 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1964 >     */
1965 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1966 >        long keepAliveTime = timeoutMillis();
1967 >        final ThreadPoolExecutor p =
1968 >            new ThreadPoolExecutor(2, 10,
1969 >                                   keepAliveTime, MILLISECONDS,
1970 >                                   new ArrayBlockingQueue<Runnable>(10));
1971 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1972 >        try {
1973 >            p.allowCoreThreadTimeOut(true);
1974 >            p.execute(new CheckedRunnable() {
1975 >                public void realRun() {
1976 >                    threadStarted.countDown();
1977 >                    assertEquals(1, p.getPoolSize());
1978 >                }});
1979 >            await(threadStarted);
1980 >            delay(keepAliveTime);
1981 >            long startTime = System.nanoTime();
1982 >            while (p.getPoolSize() > 0
1983 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1984 >                Thread.yield();
1985 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1986 >            assertEquals(0, p.getPoolSize());
1987 >        } finally {
1988 >            joinPool(p);
1989 >        }
1990 >    }
1991 >
1992 >    /**
1993 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1994 >     */
1995 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1996 >        long keepAliveTime = timeoutMillis();
1997 >        final ThreadPoolExecutor p =
1998 >            new ThreadPoolExecutor(2, 10,
1999 >                                   keepAliveTime, MILLISECONDS,
2000 >                                   new ArrayBlockingQueue<Runnable>(10));
2001 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2002 >        try {
2003 >            p.allowCoreThreadTimeOut(false);
2004 >            p.execute(new CheckedRunnable() {
2005 >                public void realRun() throws InterruptedException {
2006 >                    threadStarted.countDown();
2007 >                    assertTrue(p.getPoolSize() >= 1);
2008 >                }});
2009 >            delay(2 * keepAliveTime);
2010 >            assertTrue(p.getPoolSize() >= 1);
2011 >        } finally {
2012 >            joinPool(p);
2013 >        }
2014 >    }
2015 >
2016 >    /**
2017 >     * execute allows the same task to be submitted multiple times, even
2018 >     * if rejected
2019 >     */
2020 >    public void testRejectedRecycledTask() throws InterruptedException {
2021 >        final int nTasks = 1000;
2022 >        final CountDownLatch done = new CountDownLatch(nTasks);
2023 >        final Runnable recycledTask = new Runnable() {
2024 >            public void run() {
2025 >                done.countDown();
2026 >            }};
2027 >        final ThreadPoolExecutor p =
2028 >            new ThreadPoolExecutor(1, 30,
2029 >                                   60, SECONDS,
2030 >                                   new ArrayBlockingQueue(30));
2031 >        try {
2032 >            for (int i = 0; i < nTasks; ++i) {
2033 >                for (;;) {
2034 >                    try {
2035 >                        p.execute(recycledTask);
2036 >                        break;
2037 >                    }
2038 >                    catch (RejectedExecutionException ignore) {}
2039 >                }
2040 >            }
2041 >            // enough time to run all tasks
2042 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2043 >        } finally {
2044 >            joinPool(p);
2045 >        }
2046 >    }
2047 >
2048   }

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