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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.5 by dl, Sat Sep 20 18:20:08 2003 UTC vs.
Revision 1.74 by jsr166, Sun Oct 4 01:58:38 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
44 >
45 >    static class ExtendedTPE extends ThreadPoolExecutor {
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50 >        public ExtendedTPE() {
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52 >        }
53 >        protected void beforeExecute(Thread t, Runnable r) {
54 >            beforeCalled.countDown();
55 >        }
56 >        protected void afterExecute(Runnable r, Throwable t) {
57 >            afterCalled.countDown();
58 >        }
59 >        protected void terminated() {
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78 >            return new Thread(r);
79 >        }
80 >    }
81 >
82      /**
83 <     * For use as ThreadFactory in constructors
83 >     * execute successfully executes a runnable
84       */
85 <    static class MyThreadFactory implements ThreadFactory{
86 <        public Thread newThread(Runnable r){
87 <            return new Thread(r);
88 <        }  
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        final CountDownLatch done = new CountDownLatch(1);
91 >        final Runnable task = new CheckedRunnable() {
92 >            public void realRun() {
93 >                done.countDown();
94 >            }};
95 >        try {
96 >            p.execute(task);
97 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98 >        } finally {
99 >            joinPool(p);
100 >        }
101      }
102  
103      /**
104 <     * For use as RejectedExecutionHandler in constructors
104 >     * getActiveCount increases but doesn't overestimate, when a
105 >     * thread becomes active
106       */
107 <    static class MyREHandler implements RejectedExecutionHandler{
108 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
107 >    public void testGetActiveCount() throws InterruptedException {
108 >        final ThreadPoolExecutor p =
109 >            new ThreadPoolExecutor(2, 2,
110 >                                   LONG_DELAY_MS, MILLISECONDS,
111 >                                   new ArrayBlockingQueue<Runnable>(10));
112 >        final CountDownLatch threadStarted = new CountDownLatch(1);
113 >        final CountDownLatch done = new CountDownLatch(1);
114 >        try {
115 >            assertEquals(0, p.getActiveCount());
116 >            p.execute(new CheckedRunnable() {
117 >                public void realRun() throws InterruptedException {
118 >                    threadStarted.countDown();
119 >                    assertEquals(1, p.getActiveCount());
120 >                    done.await();
121 >                }});
122 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123 >            assertEquals(1, p.getActiveCount());
124 >        } finally {
125 >            done.countDown();
126 >            joinPool(p);
127 >        }
128      }
129 <
129 >
130      /**
131 <     *   execute successfully executes a runnable
131 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
132       */
133 <    public void testExecute() {
134 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135 <        try {
136 <            p1.execute(new Runnable() {
137 <                    public void run() {
138 <                        try {
139 <                            Thread.sleep(SHORT_DELAY_MS);
140 <                        } catch(InterruptedException e){
141 <                            threadUnexpectedException();
142 <                        }
143 <                    }
144 <                });
145 <            Thread.sleep(SMALL_DELAY_MS);
146 <        } catch(InterruptedException e){
147 <            unexpectedException();
148 <        }
149 <        joinPool(p1);
133 >    public void testPrestartCoreThread() {
134 >        final ThreadPoolExecutor p =
135 >            new ThreadPoolExecutor(2, 6,
136 >                                   LONG_DELAY_MS, MILLISECONDS,
137 >                                   new ArrayBlockingQueue<Runnable>(10));
138 >        try (PoolCleaner cleaner = cleaner(p)) {
139 >            assertEquals(0, p.getPoolSize());
140 >            assertTrue(p.prestartCoreThread());
141 >            assertEquals(1, p.getPoolSize());
142 >            assertTrue(p.prestartCoreThread());
143 >            assertEquals(2, p.getPoolSize());
144 >            assertFalse(p.prestartCoreThread());
145 >            assertEquals(2, p.getPoolSize());
146 >            p.setCorePoolSize(4);
147 >            assertTrue(p.prestartCoreThread());
148 >            assertEquals(3, p.getPoolSize());
149 >            assertTrue(p.prestartCoreThread());
150 >            assertEquals(4, p.getPoolSize());
151 >            assertFalse(p.prestartCoreThread());
152 >            assertEquals(4, p.getPoolSize());
153 >        }
154      }
155  
156      /**
157 <     *   getActiveCount gives correct values
157 >     * prestartAllCoreThreads starts all corePoolSize threads
158       */
159 <    public void testGetActiveCount() {
160 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161 <        assertEquals(0, p2.getActiveCount());
162 <        p2.execute(new MediumRunnable());
163 <        try {
164 <            Thread.sleep(SHORT_DELAY_MS);
165 <        } catch(Exception e){
166 <            unexpectedException();
159 >    public void testPrestartAllCoreThreads() {
160 >        final ThreadPoolExecutor p =
161 >            new ThreadPoolExecutor(2, 6,
162 >                                   LONG_DELAY_MS, MILLISECONDS,
163 >                                   new ArrayBlockingQueue<Runnable>(10));
164 >        try (PoolCleaner cleaner = cleaner(p)) {
165 >            assertEquals(0, p.getPoolSize());
166 >            p.prestartAllCoreThreads();
167 >            assertEquals(2, p.getPoolSize());
168 >            p.prestartAllCoreThreads();
169 >            assertEquals(2, p.getPoolSize());
170 >            p.setCorePoolSize(4);
171 >            p.prestartAllCoreThreads();
172 >            assertEquals(4, p.getPoolSize());
173 >            p.prestartAllCoreThreads();
174 >            assertEquals(4, p.getPoolSize());
175          }
70        assertEquals(1, p2.getActiveCount());
71        joinPool(p2);
176      }
177 <    
177 >
178      /**
179 <     *   getCompleteTaskCount gives correct values
179 >     * getCompletedTaskCount increases, but doesn't overestimate,
180 >     * when tasks complete
181       */
182 <    public void testGetCompletedTaskCount() {
183 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
184 <        assertEquals(0, p2.getCompletedTaskCount());
185 <        p2.execute(new ShortRunnable());
186 <        try {
187 <            Thread.sleep(MEDIUM_DELAY_MS);
188 <        } catch(Exception e){
189 <            unexpectedException();
182 >    public void testGetCompletedTaskCount() throws InterruptedException {
183 >        final ThreadPoolExecutor p =
184 >            new ThreadPoolExecutor(2, 2,
185 >                                   LONG_DELAY_MS, MILLISECONDS,
186 >                                   new ArrayBlockingQueue<Runnable>(10));
187 >        try (PoolCleaner cleaner = cleaner(p)) {
188 >            final CountDownLatch threadStarted = new CountDownLatch(1);
189 >            final CountDownLatch threadProceed = new CountDownLatch(1);
190 >            final CountDownLatch threadDone = new CountDownLatch(1);
191 >            assertEquals(0, p.getCompletedTaskCount());
192 >            p.execute(new CheckedRunnable() {
193 >                public void realRun() throws InterruptedException {
194 >                    threadStarted.countDown();
195 >                    assertEquals(0, p.getCompletedTaskCount());
196 >                    threadProceed.await();
197 >                    threadDone.countDown();
198 >                }});
199 >            await(threadStarted);
200 >            assertEquals(0, p.getCompletedTaskCount());
201 >            threadProceed.countDown();
202 >            threadDone.await();
203 >            long startTime = System.nanoTime();
204 >            while (p.getCompletedTaskCount() != 1) {
205 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206 >                    fail("timed out");
207 >                Thread.yield();
208 >            }
209          }
86        assertEquals(1, p2.getCompletedTaskCount());
87        p2.shutdown();
88        joinPool(p2);
210      }
211 <    
211 >
212      /**
213 <     *   getCorePoolSize gives correct values
213 >     * getCorePoolSize returns size given in constructor if not otherwise set
214       */
215      public void testGetCorePoolSize() {
216 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
217 <        assertEquals(1, p1.getCorePoolSize());
218 <        joinPool(p1);
216 >        final ThreadPoolExecutor p =
217 >            new ThreadPoolExecutor(1, 1,
218 >                                   LONG_DELAY_MS, MILLISECONDS,
219 >                                   new ArrayBlockingQueue<Runnable>(10));
220 >        try (PoolCleaner cleaner = cleaner(p)) {
221 >            assertEquals(1, p.getCorePoolSize());
222 >        }
223      }
224 <    
224 >
225      /**
226 <     *   getKeepAliveTime gives correct values
226 >     * getKeepAliveTime returns value given in constructor if not otherwise set
227       */
228      public void testGetKeepAliveTime() {
229 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
230 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
231 <        joinPool(p2);
232 <    }
233 <    
234 <    /**
235 <     *   getLargestPoolSize gives correct values
111 <     */
112 <    public void testGetLargestPoolSize() {
113 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
114 <        try {
115 <            assertEquals(0, p2.getLargestPoolSize());
116 <            p2.execute(new MediumRunnable());
117 <            p2.execute(new MediumRunnable());
118 <            Thread.sleep(SHORT_DELAY_MS);
119 <            assertEquals(2, p2.getLargestPoolSize());
120 <        } catch(Exception e){
121 <            unexpectedException();
122 <        }
123 <        joinPool(p2);
229 >        final ThreadPoolExecutor p =
230 >            new ThreadPoolExecutor(2, 2,
231 >                                   1000, MILLISECONDS,
232 >                                   new ArrayBlockingQueue<Runnable>(10));
233 >        try (PoolCleaner cleaner = cleaner(p)) {
234 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
235 >        }
236      }
237 <    
237 >
238      /**
239 <     *   getMaximumPoolSize gives correct values
239 >     * getThreadFactory returns factory in constructor if not set
240       */
241 <    public void testGetMaximumPoolSize() {
242 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243 <        assertEquals(2, p2.getMaximumPoolSize());
244 <        joinPool(p2);
241 >    public void testGetThreadFactory() {
242 >        ThreadFactory threadFactory = new SimpleThreadFactory();
243 >        final ThreadPoolExecutor p =
244 >            new ThreadPoolExecutor(1, 2,
245 >                                   LONG_DELAY_MS, MILLISECONDS,
246 >                                   new ArrayBlockingQueue<Runnable>(10),
247 >                                   threadFactory,
248 >                                   new NoOpREHandler());
249 >        try (PoolCleaner cleaner = cleaner(p)) {
250 >            assertSame(threadFactory, p.getThreadFactory());
251 >        }
252 >    }
253 >
254 >    /**
255 >     * setThreadFactory sets the thread factory returned by getThreadFactory
256 >     */
257 >    public void testSetThreadFactory() {
258 >        final ThreadPoolExecutor p =
259 >            new ThreadPoolExecutor(1, 2,
260 >                                   LONG_DELAY_MS, MILLISECONDS,
261 >                                   new ArrayBlockingQueue<Runnable>(10));
262 >        try (PoolCleaner cleaner = cleaner(p)) {
263 >            ThreadFactory threadFactory = new SimpleThreadFactory();
264 >            p.setThreadFactory(threadFactory);
265 >            assertSame(threadFactory, p.getThreadFactory());
266 >        }
267      }
268 <    
268 >
269      /**
270 <     *   getPoolSize gives correct values
270 >     * setThreadFactory(null) throws NPE
271       */
272 <    public void testGetPoolSize() {
273 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
274 <        assertEquals(0, p1.getPoolSize());
275 <        p1.execute(new MediumRunnable());
276 <        assertEquals(1, p1.getPoolSize());
277 <        joinPool(p1);
272 >    public void testSetThreadFactoryNull() {
273 >        final ThreadPoolExecutor p =
274 >            new ThreadPoolExecutor(1, 2,
275 >                                   LONG_DELAY_MS, MILLISECONDS,
276 >                                   new ArrayBlockingQueue<Runnable>(10));
277 >        try (PoolCleaner cleaner = cleaner(p)) {
278 >            try {
279 >                p.setThreadFactory(null);
280 >                shouldThrow();
281 >            } catch (NullPointerException success) {}
282 >        }
283      }
284 <    
284 >
285      /**
286 <     *   getTaskCount gives correct values
286 >     * getRejectedExecutionHandler returns handler in constructor if not set
287       */
288 <    public void testGetTaskCount() {
289 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
288 >    public void testGetRejectedExecutionHandler() {
289 >        final RejectedExecutionHandler handler = new NoOpREHandler();
290 >        final ThreadPoolExecutor p =
291 >            new ThreadPoolExecutor(1, 2,
292 >                                   LONG_DELAY_MS, MILLISECONDS,
293 >                                   new ArrayBlockingQueue<Runnable>(10),
294 >                                   handler);
295 >        try (PoolCleaner cleaner = cleaner(p)) {
296 >            assertSame(handler, p.getRejectedExecutionHandler());
297 >        }
298 >    }
299 >
300 >    /**
301 >     * setRejectedExecutionHandler sets the handler returned by
302 >     * getRejectedExecutionHandler
303 >     */
304 >    public void testSetRejectedExecutionHandler() {
305 >        final ThreadPoolExecutor p =
306 >            new ThreadPoolExecutor(1, 2,
307 >                                   LONG_DELAY_MS, MILLISECONDS,
308 >                                   new ArrayBlockingQueue<Runnable>(10));
309 >        try (PoolCleaner cleaner = cleaner(p)) {
310 >            RejectedExecutionHandler handler = new NoOpREHandler();
311 >            p.setRejectedExecutionHandler(handler);
312 >            assertSame(handler, p.getRejectedExecutionHandler());
313 >        }
314 >    }
315 >
316 >    /**
317 >     * setRejectedExecutionHandler(null) throws NPE
318 >     */
319 >    public void testSetRejectedExecutionHandlerNull() {
320 >        final ThreadPoolExecutor p =
321 >            new ThreadPoolExecutor(1, 2,
322 >                                   LONG_DELAY_MS, MILLISECONDS,
323 >                                   new ArrayBlockingQueue<Runnable>(10));
324          try {
325 <            assertEquals(0, p1.getTaskCount());
326 <            p1.execute(new MediumRunnable());
327 <            Thread.sleep(SHORT_DELAY_MS);
328 <            assertEquals(1, p1.getTaskCount());
329 <        } catch(Exception e){
330 <            unexpectedException();
331 <        }
332 <        joinPool(p1);
325 >            p.setRejectedExecutionHandler(null);
326 >            shouldThrow();
327 >        } catch (NullPointerException success) {
328 >        } finally {
329 >            joinPool(p);
330 >        }
331 >    }
332 >
333 >    /**
334 >     * getLargestPoolSize increases, but doesn't overestimate, when
335 >     * multiple threads active
336 >     */
337 >    public void testGetLargestPoolSize() throws InterruptedException {
338 >        final int THREADS = 3;
339 >        final ThreadPoolExecutor p =
340 >            new ThreadPoolExecutor(THREADS, THREADS,
341 >                                   LONG_DELAY_MS, MILLISECONDS,
342 >                                   new ArrayBlockingQueue<Runnable>(10));
343 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
344 >        final CountDownLatch done = new CountDownLatch(1);
345 >        try {
346 >            assertEquals(0, p.getLargestPoolSize());
347 >            for (int i = 0; i < THREADS; i++)
348 >                p.execute(new CheckedRunnable() {
349 >                    public void realRun() throws InterruptedException {
350 >                        threadsStarted.countDown();
351 >                        done.await();
352 >                        assertEquals(THREADS, p.getLargestPoolSize());
353 >                    }});
354 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
355 >            assertEquals(THREADS, p.getLargestPoolSize());
356 >        } finally {
357 >            done.countDown();
358 >            joinPool(p);
359 >            assertEquals(THREADS, p.getLargestPoolSize());
360 >        }
361 >    }
362 >
363 >    /**
364 >     * getMaximumPoolSize returns value given in constructor if not
365 >     * otherwise set
366 >     */
367 >    public void testGetMaximumPoolSize() {
368 >        final ThreadPoolExecutor p =
369 >            new ThreadPoolExecutor(2, 3,
370 >                                   LONG_DELAY_MS, MILLISECONDS,
371 >                                   new ArrayBlockingQueue<Runnable>(10));
372 >        assertEquals(3, p.getMaximumPoolSize());
373 >        joinPool(p);
374 >    }
375 >
376 >    /**
377 >     * getPoolSize increases, but doesn't overestimate, when threads
378 >     * become active
379 >     */
380 >    public void testGetPoolSize() throws InterruptedException {
381 >        final ThreadPoolExecutor p =
382 >            new ThreadPoolExecutor(1, 1,
383 >                                   LONG_DELAY_MS, MILLISECONDS,
384 >                                   new ArrayBlockingQueue<Runnable>(10));
385 >        final CountDownLatch threadStarted = new CountDownLatch(1);
386 >        final CountDownLatch done = new CountDownLatch(1);
387 >        try {
388 >            assertEquals(0, p.getPoolSize());
389 >            p.execute(new CheckedRunnable() {
390 >                public void realRun() throws InterruptedException {
391 >                    threadStarted.countDown();
392 >                    assertEquals(1, p.getPoolSize());
393 >                    done.await();
394 >                }});
395 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
396 >            assertEquals(1, p.getPoolSize());
397 >        } finally {
398 >            done.countDown();
399 >            joinPool(p);
400 >        }
401 >    }
402 >
403 >    /**
404 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
405 >     */
406 >    public void testGetTaskCount() throws InterruptedException {
407 >        final ThreadPoolExecutor p =
408 >            new ThreadPoolExecutor(1, 1,
409 >                                   LONG_DELAY_MS, MILLISECONDS,
410 >                                   new ArrayBlockingQueue<Runnable>(10));
411 >        final CountDownLatch threadStarted = new CountDownLatch(1);
412 >        final CountDownLatch done = new CountDownLatch(1);
413 >        try {
414 >            assertEquals(0, p.getTaskCount());
415 >            p.execute(new CheckedRunnable() {
416 >                public void realRun() throws InterruptedException {
417 >                    threadStarted.countDown();
418 >                    assertEquals(1, p.getTaskCount());
419 >                    done.await();
420 >                }});
421 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
422 >            assertEquals(1, p.getTaskCount());
423 >        } finally {
424 >            done.countDown();
425 >            joinPool(p);
426 >        }
427      }
428 <    
428 >
429      /**
430 <     *   isShutDown gives correct values
430 >     * isShutdown is false before shutdown, true after
431       */
432      public void testIsShutdown() {
433 <        
434 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
435 <        assertFalse(p1.isShutdown());
436 <        p1.shutdown();
437 <        assertTrue(p1.isShutdown());
438 <        joinPool(p1);
433 >        final ThreadPoolExecutor p =
434 >            new ThreadPoolExecutor(1, 1,
435 >                                   LONG_DELAY_MS, MILLISECONDS,
436 >                                   new ArrayBlockingQueue<Runnable>(10));
437 >        assertFalse(p.isShutdown());
438 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
439 >        assertTrue(p.isShutdown());
440 >        joinPool(p);
441      }
442  
174        
443      /**
444 <     *   isTerminated gives correct values
177 <     *  Makes sure termination does not take an innapropriate
178 <     *  amount of time
444 >     * awaitTermination on a non-shutdown pool times out
445       */
446 <    public void testIsTerminated() {
447 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
448 <        try {
449 <            p1.execute(new MediumRunnable());
446 >    public void testAwaitTermination_timesOut() throws InterruptedException {
447 >        final ThreadPoolExecutor p =
448 >            new ThreadPoolExecutor(1, 1,
449 >                                   LONG_DELAY_MS, MILLISECONDS,
450 >                                   new ArrayBlockingQueue<Runnable>(10));
451 >        assertFalse(p.isTerminated());
452 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
453 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
454 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
455 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
456 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
457 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
458 >        long timeoutNanos = 999999L;
459 >        long startTime = System.nanoTime();
460 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
461 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
462 >        assertFalse(p.isTerminated());
463 >        startTime = System.nanoTime();
464 >        long timeoutMillis = timeoutMillis();
465 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
466 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
467 >        assertFalse(p.isTerminated());
468 >        p.shutdown();
469 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
470 >        assertTrue(p.isTerminated());
471 >    }
472 >
473 >    /**
474 >     * isTerminated is false before termination, true after
475 >     */
476 >    public void testIsTerminated() throws InterruptedException {
477 >        final ThreadPoolExecutor p =
478 >            new ThreadPoolExecutor(1, 1,
479 >                                   LONG_DELAY_MS, MILLISECONDS,
480 >                                   new ArrayBlockingQueue<Runnable>(10));
481 >        final CountDownLatch threadStarted = new CountDownLatch(1);
482 >        final CountDownLatch done = new CountDownLatch(1);
483 >        assertFalse(p.isTerminated());
484 >        try {
485 >            p.execute(new CheckedRunnable() {
486 >                public void realRun() throws InterruptedException {
487 >                    assertFalse(p.isTerminated());
488 >                    threadStarted.countDown();
489 >                    done.await();
490 >                }});
491 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
492 >            assertFalse(p.isTerminating());
493 >            done.countDown();
494          } finally {
495 <            p1.shutdown();
495 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
496          }
497 <        try {
498 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189 <            assertTrue(p1.isTerminated());
190 <        } catch(Exception e){
191 <            unexpectedException();
192 <        }      
497 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
498 >        assertTrue(p.isTerminated());
499      }
500  
501      /**
502 <     *  isTerminating gives correct values
502 >     * isTerminating is not true when running or when terminated
503       */
504 <    public void testIsTerminating() {
505 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
506 <        assertFalse(p1.isTerminating());
507 <        try {
508 <            p1.execute(new SmallRunnable());
509 <            assertFalse(p1.isTerminating());
504 >    public void testIsTerminating() throws InterruptedException {
505 >        final ThreadPoolExecutor p =
506 >            new ThreadPoolExecutor(1, 1,
507 >                                   LONG_DELAY_MS, MILLISECONDS,
508 >                                   new ArrayBlockingQueue<Runnable>(10));
509 >        final CountDownLatch threadStarted = new CountDownLatch(1);
510 >        final CountDownLatch done = new CountDownLatch(1);
511 >        try {
512 >            assertFalse(p.isTerminating());
513 >            p.execute(new CheckedRunnable() {
514 >                public void realRun() throws InterruptedException {
515 >                    assertFalse(p.isTerminating());
516 >                    threadStarted.countDown();
517 >                    done.await();
518 >                }});
519 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
520 >            assertFalse(p.isTerminating());
521 >            done.countDown();
522          } finally {
523 <            p1.shutdown();
523 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
524          }
525 <        try {
526 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
527 <            assertTrue(p1.isTerminated());
210 <            assertFalse(p1.isTerminating());
211 <        } catch(Exception e){
212 <            unexpectedException();
213 <        }      
525 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
526 >        assertTrue(p.isTerminated());
527 >        assertFalse(p.isTerminating());
528      }
529  
530      /**
531 <     *   purge correctly removes cancelled tasks
218 <     *  from the queue
531 >     * getQueue returns the work queue, which contains queued tasks
532       */
533 <    public void testPurge() {
534 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
535 <        CancellableTask[] tasks = new CancellableTask[5];
536 <        for(int i = 0; i < 5; i++){
537 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
538 <            p1.execute(tasks[i]);
533 >    public void testGetQueue() throws InterruptedException {
534 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
535 >        final ThreadPoolExecutor p =
536 >            new ThreadPoolExecutor(1, 1,
537 >                                   LONG_DELAY_MS, MILLISECONDS,
538 >                                   q);
539 >        final CountDownLatch threadStarted = new CountDownLatch(1);
540 >        final CountDownLatch done = new CountDownLatch(1);
541 >        try {
542 >            FutureTask[] tasks = new FutureTask[5];
543 >            for (int i = 0; i < tasks.length; i++) {
544 >                Callable task = new CheckedCallable<Boolean>() {
545 >                    public Boolean realCall() throws InterruptedException {
546 >                        threadStarted.countDown();
547 >                        assertSame(q, p.getQueue());
548 >                        done.await();
549 >                        return Boolean.TRUE;
550 >                    }};
551 >                tasks[i] = new FutureTask(task);
552 >                p.execute(tasks[i]);
553 >            }
554 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
555 >            assertSame(q, p.getQueue());
556 >            assertFalse(q.contains(tasks[0]));
557 >            assertTrue(q.contains(tasks[tasks.length - 1]));
558 >            assertEquals(tasks.length - 1, q.size());
559 >        } finally {
560 >            done.countDown();
561 >            joinPool(p);
562          }
227        tasks[4].cancel(true);
228        tasks[3].cancel(true);
229        p1.purge();
230        long count = p1.getTaskCount();
231        assertTrue(count >= 2 && count < 5);
232        joinPool(p1);
563      }
564  
565      /**
566 <     *   shutDownNow returns a list
237 <     *  containing the correct number of elements
566 >     * remove(task) removes queued task, and fails to remove active task
567       */
568 <    public void testShutDownNow() {
569 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
570 <        List l;
571 <        try {
572 <            for(int i = 0; i < 5; i++)
573 <                p1.execute(new MediumPossiblyInterruptedRunnable());
568 >    public void testRemove() throws InterruptedException {
569 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
570 >        final ThreadPoolExecutor p =
571 >            new ThreadPoolExecutor(1, 1,
572 >                                   LONG_DELAY_MS, MILLISECONDS,
573 >                                   q);
574 >        Runnable[] tasks = new Runnable[5];
575 >        final CountDownLatch threadStarted = new CountDownLatch(1);
576 >        final CountDownLatch done = new CountDownLatch(1);
577 >        try {
578 >            for (int i = 0; i < tasks.length; i++) {
579 >                tasks[i] = new CheckedRunnable() {
580 >                    public void realRun() throws InterruptedException {
581 >                        threadStarted.countDown();
582 >                        done.await();
583 >                    }};
584 >                p.execute(tasks[i]);
585 >            }
586 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
587 >            assertFalse(p.remove(tasks[0]));
588 >            assertTrue(q.contains(tasks[4]));
589 >            assertTrue(q.contains(tasks[3]));
590 >            assertTrue(p.remove(tasks[4]));
591 >            assertFalse(p.remove(tasks[4]));
592 >            assertFalse(q.contains(tasks[4]));
593 >            assertTrue(q.contains(tasks[3]));
594 >            assertTrue(p.remove(tasks[3]));
595 >            assertFalse(q.contains(tasks[3]));
596 >        } finally {
597 >            done.countDown();
598 >            joinPool(p);
599          }
600 <        finally {
601 <            l = p1.shutdownNow();
600 >    }
601 >
602 >    /**
603 >     * purge removes cancelled tasks from the queue
604 >     */
605 >    public void testPurge() throws InterruptedException {
606 >        final CountDownLatch threadStarted = new CountDownLatch(1);
607 >        final CountDownLatch done = new CountDownLatch(1);
608 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
609 >        final ThreadPoolExecutor p =
610 >            new ThreadPoolExecutor(1, 1,
611 >                                   LONG_DELAY_MS, MILLISECONDS,
612 >                                   q);
613 >        FutureTask[] tasks = new FutureTask[5];
614 >        try {
615 >            for (int i = 0; i < tasks.length; i++) {
616 >                Callable task = new CheckedCallable<Boolean>() {
617 >                    public Boolean realCall() throws InterruptedException {
618 >                        threadStarted.countDown();
619 >                        done.await();
620 >                        return Boolean.TRUE;
621 >                    }};
622 >                tasks[i] = new FutureTask(task);
623 >                p.execute(tasks[i]);
624 >            }
625 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
626 >            assertEquals(tasks.length, p.getTaskCount());
627 >            assertEquals(tasks.length - 1, q.size());
628 >            assertEquals(1L, p.getActiveCount());
629 >            assertEquals(0L, p.getCompletedTaskCount());
630 >            tasks[4].cancel(true);
631 >            tasks[3].cancel(false);
632 >            p.purge();
633 >            assertEquals(tasks.length - 3, q.size());
634 >            assertEquals(tasks.length - 2, p.getTaskCount());
635 >            p.purge();         // Nothing to do
636 >            assertEquals(tasks.length - 3, q.size());
637 >            assertEquals(tasks.length - 2, p.getTaskCount());
638 >        } finally {
639 >            done.countDown();
640 >            joinPool(p);
641          }
642 <        assertTrue(p1.isShutdown());
643 <        assertTrue(l.size() <= 4);
642 >    }
643 >
644 >    /**
645 >     * shutdownNow returns a list containing tasks that were not run,
646 >     * and those tasks are drained from the queue
647 >     */
648 >    public void testShutdownNow() throws InterruptedException {
649 >        final int poolSize = 2;
650 >        final int count = 5;
651 >        final AtomicInteger ran = new AtomicInteger(0);
652 >        final ThreadPoolExecutor p =
653 >            new ThreadPoolExecutor(poolSize, poolSize,
654 >                                   LONG_DELAY_MS, MILLISECONDS,
655 >                                   new ArrayBlockingQueue<Runnable>(10));
656 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
657 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
658 >            threadsStarted.countDown();
659 >            try {
660 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
661 >            } catch (InterruptedException success) {}
662 >            ran.getAndIncrement();
663 >        }};
664 >        for (int i = 0; i < count; i++)
665 >            p.execute(waiter);
666 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
667 >        assertEquals(poolSize, p.getActiveCount());
668 >        assertEquals(0, p.getCompletedTaskCount());
669 >        final List<Runnable> queuedTasks;
670 >        try {
671 >            queuedTasks = p.shutdownNow();
672 >        } catch (SecurityException ok) {
673 >            return; // Allowed in case test doesn't have privs
674 >        }
675 >        assertTrue(p.isShutdown());
676 >        assertTrue(p.getQueue().isEmpty());
677 >        assertEquals(count - poolSize, queuedTasks.size());
678 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
679 >        assertTrue(p.isTerminated());
680 >        assertEquals(poolSize, ran.get());
681 >        assertEquals(poolSize, p.getCompletedTaskCount());
682      }
683  
684      // Exception Tests
254    
685  
686 <    /** Throws if corePoolSize argument is less than zero */
686 >    /**
687 >     * Constructor throws if corePoolSize argument is less than zero
688 >     */
689      public void testConstructor1() {
690          try {
691 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
691 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
692 >                                   new ArrayBlockingQueue<Runnable>(10));
693              shouldThrow();
694 <        }
262 <        catch (IllegalArgumentException success){}
694 >        } catch (IllegalArgumentException success) {}
695      }
696 <    
697 <    /** Throws if maximumPoolSize is less than zero */
696 >
697 >    /**
698 >     * Constructor throws if maximumPoolSize is less than zero
699 >     */
700      public void testConstructor2() {
701          try {
702 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
702 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
703 >                                   new ArrayBlockingQueue<Runnable>(10));
704              shouldThrow();
705 <        }
271 <        catch (IllegalArgumentException success){}
705 >        } catch (IllegalArgumentException success) {}
706      }
707 <    
708 <    /** Throws if maximumPoolSize is equal to zero */
707 >
708 >    /**
709 >     * Constructor throws if maximumPoolSize is equal to zero
710 >     */
711      public void testConstructor3() {
712          try {
713 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
713 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
714 >                                   new ArrayBlockingQueue<Runnable>(10));
715              shouldThrow();
716 <        }
280 <        catch (IllegalArgumentException success){}
716 >        } catch (IllegalArgumentException success) {}
717      }
718  
719 <    /** Throws if keepAliveTime is less than zero */
719 >    /**
720 >     * Constructor throws if keepAliveTime is less than zero
721 >     */
722      public void testConstructor4() {
723          try {
724 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
724 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
725 >                                   new ArrayBlockingQueue<Runnable>(10));
726              shouldThrow();
727 <        }
289 <        catch (IllegalArgumentException success){}
727 >        } catch (IllegalArgumentException success) {}
728      }
729  
730 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
730 >    /**
731 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
732 >     */
733      public void testConstructor5() {
734          try {
735 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
735 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
736 >                                   new ArrayBlockingQueue<Runnable>(10));
737              shouldThrow();
738 <        }
298 <        catch (IllegalArgumentException success){}
738 >        } catch (IllegalArgumentException success) {}
739      }
740 <        
741 <    /** Throws if workQueue is set to null */
742 <    public void testNullPointerException() {
740 >
741 >    /**
742 >     * Constructor throws if workQueue is set to null
743 >     */
744 >    public void testConstructorNullPointerException() {
745          try {
746 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
746 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
747 >                                   (BlockingQueue) null);
748              shouldThrow();
749 <        }
307 <        catch (NullPointerException success){}  
749 >        } catch (NullPointerException success) {}
750      }
309    
751  
752 <    
753 <    /** Throws if corePoolSize argument is less than zero */
752 >    /**
753 >     * Constructor throws if corePoolSize argument is less than zero
754 >     */
755      public void testConstructor6() {
756          try {
757 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
758 >                                   new ArrayBlockingQueue<Runnable>(10),
759 >                                   new SimpleThreadFactory());
760              shouldThrow();
761 <        } catch (IllegalArgumentException success){}
761 >        } catch (IllegalArgumentException success) {}
762      }
763 <    
764 <    /** Throws if maximumPoolSize is less than zero */
763 >
764 >    /**
765 >     * Constructor throws if maximumPoolSize is less than zero
766 >     */
767      public void testConstructor7() {
768          try {
769 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
770 >                                   new ArrayBlockingQueue<Runnable>(10),
771 >                                   new SimpleThreadFactory());
772              shouldThrow();
773 <        }
326 <        catch (IllegalArgumentException success){}
773 >        } catch (IllegalArgumentException success) {}
774      }
775  
776 <    /** Throws if maximumPoolSize is equal to zero */
776 >    /**
777 >     * Constructor throws if maximumPoolSize is equal to zero
778 >     */
779      public void testConstructor8() {
780          try {
781 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
781 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
782 >                                   new ArrayBlockingQueue<Runnable>(10),
783 >                                   new SimpleThreadFactory());
784              shouldThrow();
785 <        }
335 <        catch (IllegalArgumentException success){}
785 >        } catch (IllegalArgumentException success) {}
786      }
787  
788 <    /** Throws if keepAliveTime is less than zero */
788 >    /**
789 >     * Constructor throws if keepAliveTime is less than zero
790 >     */
791      public void testConstructor9() {
792          try {
793 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
793 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
794 >                                   new ArrayBlockingQueue<Runnable>(10),
795 >                                   new SimpleThreadFactory());
796              shouldThrow();
797 <        }
344 <        catch (IllegalArgumentException success){}
797 >        } catch (IllegalArgumentException success) {}
798      }
799  
800 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
800 >    /**
801 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
802 >     */
803      public void testConstructor10() {
804          try {
805 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
805 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
806 >                                   new ArrayBlockingQueue<Runnable>(10),
807 >                                   new SimpleThreadFactory());
808              shouldThrow();
809 <        }
353 <        catch (IllegalArgumentException success){}
809 >        } catch (IllegalArgumentException success) {}
810      }
811  
812 <    /** Throws if workQueue is set to null */
813 <    public void testNullPointerException2() {
812 >    /**
813 >     * Constructor throws if workQueue is set to null
814 >     */
815 >    public void testConstructorNullPointerException2() {
816          try {
817 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
817 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818 >                                   (BlockingQueue) null,
819 >                                   new SimpleThreadFactory());
820              shouldThrow();
821 <        }
362 <        catch (NullPointerException success){}  
821 >        } catch (NullPointerException success) {}
822      }
823  
824 <    /** Throws if threadFactory is set to null */
825 <    public void testNullPointerException3() {
824 >    /**
825 >     * Constructor throws if threadFactory is set to null
826 >     */
827 >    public void testConstructorNullPointerException3() {
828          try {
829 <            ThreadFactory f = null;
830 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
829 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
830 >                                   new ArrayBlockingQueue<Runnable>(10),
831 >                                   (ThreadFactory) null);
832              shouldThrow();
833 <        }
372 <        catch (NullPointerException success){}  
833 >        } catch (NullPointerException success) {}
834      }
835 <
836 <    
837 <    /** Throws if corePoolSize argument is less than zero */
835 >
836 >    /**
837 >     * Constructor throws if corePoolSize argument is less than zero
838 >     */
839      public void testConstructor11() {
840          try {
841 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
841 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
842 >                                   new ArrayBlockingQueue<Runnable>(10),
843 >                                   new NoOpREHandler());
844              shouldThrow();
845 <        }
382 <        catch (IllegalArgumentException success){}
845 >        } catch (IllegalArgumentException success) {}
846      }
847  
848 <    /** Throws if maximumPoolSize is less than zero */
848 >    /**
849 >     * Constructor throws if maximumPoolSize is less than zero
850 >     */
851      public void testConstructor12() {
852          try {
853 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
853 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
854 >                                   new ArrayBlockingQueue<Runnable>(10),
855 >                                   new NoOpREHandler());
856              shouldThrow();
857 <        }
391 <        catch (IllegalArgumentException success){}
857 >        } catch (IllegalArgumentException success) {}
858      }
859  
860 <    /** Throws if maximumPoolSize is equal to zero */
860 >    /**
861 >     * Constructor throws if maximumPoolSize is equal to zero
862 >     */
863      public void testConstructor13() {
864          try {
865 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
865 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
866 >                                   new ArrayBlockingQueue<Runnable>(10),
867 >                                   new NoOpREHandler());
868              shouldThrow();
869 <        }
400 <        catch (IllegalArgumentException success){}
869 >        } catch (IllegalArgumentException success) {}
870      }
871  
872 <    /** Throws if keepAliveTime is less than zero */
872 >    /**
873 >     * Constructor throws if keepAliveTime is less than zero
874 >     */
875      public void testConstructor14() {
876          try {
877 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
877 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
878 >                                   new ArrayBlockingQueue<Runnable>(10),
879 >                                   new NoOpREHandler());
880              shouldThrow();
881 <        }
409 <        catch (IllegalArgumentException success){}
881 >        } catch (IllegalArgumentException success) {}
882      }
883  
884 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
884 >    /**
885 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
886 >     */
887      public void testConstructor15() {
888          try {
889 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
889 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
890 >                                   new ArrayBlockingQueue<Runnable>(10),
891 >                                   new NoOpREHandler());
892 >            shouldThrow();
893 >        } catch (IllegalArgumentException success) {}
894 >    }
895 >
896 >    /**
897 >     * Constructor throws if workQueue is set to null
898 >     */
899 >    public void testConstructorNullPointerException4() {
900 >        try {
901 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902 >                                   (BlockingQueue) null,
903 >                                   new NoOpREHandler());
904 >            shouldThrow();
905 >        } catch (NullPointerException success) {}
906 >    }
907 >
908 >    /**
909 >     * Constructor throws if handler is set to null
910 >     */
911 >    public void testConstructorNullPointerException5() {
912 >        try {
913 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
914 >                                   new ArrayBlockingQueue<Runnable>(10),
915 >                                   (RejectedExecutionHandler) null);
916 >            shouldThrow();
917 >        } catch (NullPointerException success) {}
918 >    }
919 >
920 >    /**
921 >     * Constructor throws if corePoolSize argument is less than zero
922 >     */
923 >    public void testConstructor16() {
924 >        try {
925 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
926 >                                   new ArrayBlockingQueue<Runnable>(10),
927 >                                   new SimpleThreadFactory(),
928 >                                   new NoOpREHandler());
929 >            shouldThrow();
930 >        } catch (IllegalArgumentException success) {}
931 >    }
932 >
933 >    /**
934 >     * Constructor throws if maximumPoolSize is less than zero
935 >     */
936 >    public void testConstructor17() {
937 >        try {
938 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
939 >                                   new ArrayBlockingQueue<Runnable>(10),
940 >                                   new SimpleThreadFactory(),
941 >                                   new NoOpREHandler());
942 >            shouldThrow();
943 >        } catch (IllegalArgumentException success) {}
944 >    }
945 >
946 >    /**
947 >     * Constructor throws if maximumPoolSize is equal to zero
948 >     */
949 >    public void testConstructor18() {
950 >        try {
951 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
952 >                                   new ArrayBlockingQueue<Runnable>(10),
953 >                                   new SimpleThreadFactory(),
954 >                                   new NoOpREHandler());
955 >            shouldThrow();
956 >        } catch (IllegalArgumentException success) {}
957 >    }
958 >
959 >    /**
960 >     * Constructor throws if keepAliveTime is less than zero
961 >     */
962 >    public void testConstructor19() {
963 >        try {
964 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
965 >                                   new ArrayBlockingQueue<Runnable>(10),
966 >                                   new SimpleThreadFactory(),
967 >                                   new NoOpREHandler());
968 >            shouldThrow();
969 >        } catch (IllegalArgumentException success) {}
970 >    }
971 >
972 >    /**
973 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
974 >     */
975 >    public void testConstructor20() {
976 >        try {
977 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
978 >                                   new ArrayBlockingQueue<Runnable>(10),
979 >                                   new SimpleThreadFactory(),
980 >                                   new NoOpREHandler());
981 >            shouldThrow();
982 >        } catch (IllegalArgumentException success) {}
983 >    }
984 >
985 >    /**
986 >     * Constructor throws if workQueue is null
987 >     */
988 >    public void testConstructorNullPointerException6() {
989 >        try {
990 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
991 >                                   (BlockingQueue) null,
992 >                                   new SimpleThreadFactory(),
993 >                                   new NoOpREHandler());
994 >            shouldThrow();
995 >        } catch (NullPointerException success) {}
996 >    }
997 >
998 >    /**
999 >     * Constructor throws if handler is null
1000 >     */
1001 >    public void testConstructorNullPointerException7() {
1002 >        try {
1003 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1004 >                                   new ArrayBlockingQueue<Runnable>(10),
1005 >                                   new SimpleThreadFactory(),
1006 >                                   (RejectedExecutionHandler) null);
1007              shouldThrow();
1008 +        } catch (NullPointerException success) {}
1009 +    }
1010 +
1011 +    /**
1012 +     * Constructor throws if ThreadFactory is null
1013 +     */
1014 +    public void testConstructorNullPointerException8() {
1015 +        try {
1016 +            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1017 +                                   new ArrayBlockingQueue<Runnable>(10),
1018 +                                   (ThreadFactory) null,
1019 +                                   new NoOpREHandler());
1020 +            shouldThrow();
1021 +        } catch (NullPointerException success) {}
1022 +    }
1023 +
1024 +    /**
1025 +     * get of submitted callable throws InterruptedException if interrupted
1026 +     */
1027 +    public void testInterruptedSubmit() throws InterruptedException {
1028 +        final ThreadPoolExecutor p =
1029 +            new ThreadPoolExecutor(1, 1,
1030 +                                   60, SECONDS,
1031 +                                   new ArrayBlockingQueue<Runnable>(10));
1032 +
1033 +        final CountDownLatch threadStarted = new CountDownLatch(1);
1034 +        final CountDownLatch done = new CountDownLatch(1);
1035 +        try {
1036 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1037 +                public void realRun() throws Exception {
1038 +                    Callable task = new CheckedCallable<Boolean>() {
1039 +                        public Boolean realCall() throws InterruptedException {
1040 +                            threadStarted.countDown();
1041 +                            done.await();
1042 +                            return Boolean.TRUE;
1043 +                        }};
1044 +                    p.submit(task).get();
1045 +                }});
1046 +
1047 +            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1048 +            t.interrupt();
1049 +            awaitTermination(t, MEDIUM_DELAY_MS);
1050 +        } finally {
1051 +            done.countDown();
1052 +            joinPool(p);
1053          }
418        catch (IllegalArgumentException success){}
1054      }
1055  
1056 <    /** Throws if workQueue is set to null */
1057 <    public void testNullPointerException4() {
1056 >    /**
1057 >     * execute throws RejectedExecutionException if saturated.
1058 >     */
1059 >    public void testSaturatedExecute() {
1060 >        ThreadPoolExecutor p =
1061 >            new ThreadPoolExecutor(1, 1,
1062 >                                   LONG_DELAY_MS, MILLISECONDS,
1063 >                                   new ArrayBlockingQueue<Runnable>(1));
1064 >        final CountDownLatch done = new CountDownLatch(1);
1065 >        try {
1066 >            Runnable task = new CheckedRunnable() {
1067 >                public void realRun() throws InterruptedException {
1068 >                    done.await();
1069 >                }};
1070 >            for (int i = 0; i < 2; ++i)
1071 >                p.execute(task);
1072 >            for (int i = 0; i < 2; ++i) {
1073 >                try {
1074 >                    p.execute(task);
1075 >                    shouldThrow();
1076 >                } catch (RejectedExecutionException success) {}
1077 >                assertTrue(p.getTaskCount() <= 2);
1078 >            }
1079 >        } finally {
1080 >            done.countDown();
1081 >            joinPool(p);
1082 >        }
1083 >    }
1084 >
1085 >    /**
1086 >     * submit(runnable) throws RejectedExecutionException if saturated.
1087 >     */
1088 >    public void testSaturatedSubmitRunnable() {
1089 >        ThreadPoolExecutor p =
1090 >            new ThreadPoolExecutor(1, 1,
1091 >                                   LONG_DELAY_MS, MILLISECONDS,
1092 >                                   new ArrayBlockingQueue<Runnable>(1));
1093 >        final CountDownLatch done = new CountDownLatch(1);
1094 >        try {
1095 >            Runnable task = new CheckedRunnable() {
1096 >                public void realRun() throws InterruptedException {
1097 >                    done.await();
1098 >                }};
1099 >            for (int i = 0; i < 2; ++i)
1100 >                p.submit(task);
1101 >            for (int i = 0; i < 2; ++i) {
1102 >                try {
1103 >                    p.execute(task);
1104 >                    shouldThrow();
1105 >                } catch (RejectedExecutionException success) {}
1106 >                assertTrue(p.getTaskCount() <= 2);
1107 >            }
1108 >        } finally {
1109 >            done.countDown();
1110 >            joinPool(p);
1111 >        }
1112 >    }
1113 >
1114 >    /**
1115 >     * submit(callable) throws RejectedExecutionException if saturated.
1116 >     */
1117 >    public void testSaturatedSubmitCallable() {
1118 >        ThreadPoolExecutor p =
1119 >            new ThreadPoolExecutor(1, 1,
1120 >                                   LONG_DELAY_MS, MILLISECONDS,
1121 >                                   new ArrayBlockingQueue<Runnable>(1));
1122 >        final CountDownLatch done = new CountDownLatch(1);
1123 >        try {
1124 >            Runnable task = new CheckedRunnable() {
1125 >                public void realRun() throws InterruptedException {
1126 >                    done.await();
1127 >                }};
1128 >            for (int i = 0; i < 2; ++i)
1129 >                p.submit(Executors.callable(task));
1130 >            for (int i = 0; i < 2; ++i) {
1131 >                try {
1132 >                    p.execute(task);
1133 >                    shouldThrow();
1134 >                } catch (RejectedExecutionException success) {}
1135 >                assertTrue(p.getTaskCount() <= 2);
1136 >            }
1137 >        } finally {
1138 >            done.countDown();
1139 >            joinPool(p);
1140 >        }
1141 >    }
1142 >
1143 >    /**
1144 >     * executor using CallerRunsPolicy runs task if saturated.
1145 >     */
1146 >    public void testSaturatedExecute2() {
1147 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1148 >        final ThreadPoolExecutor p =
1149 >            new ThreadPoolExecutor(1, 1,
1150 >                                   LONG_DELAY_MS,
1151 >                                   MILLISECONDS,
1152 >                                   new ArrayBlockingQueue<Runnable>(1),
1153 >                                   h);
1154 >        try {
1155 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1156 >            for (int i = 0; i < tasks.length; ++i)
1157 >                tasks[i] = new TrackedNoOpRunnable();
1158 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1159 >            p.execute(mr);
1160 >            for (int i = 0; i < tasks.length; ++i)
1161 >                p.execute(tasks[i]);
1162 >            for (int i = 1; i < tasks.length; ++i)
1163 >                assertTrue(tasks[i].done);
1164 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1165 >        } finally {
1166 >            joinPool(p);
1167 >        }
1168 >    }
1169 >
1170 >    /**
1171 >     * executor using DiscardPolicy drops task if saturated.
1172 >     */
1173 >    public void testSaturatedExecute3() {
1174 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1175 >        final ThreadPoolExecutor p =
1176 >            new ThreadPoolExecutor(1, 1,
1177 >                                   LONG_DELAY_MS, MILLISECONDS,
1178 >                                   new ArrayBlockingQueue<Runnable>(1),
1179 >                                   h);
1180 >        try {
1181 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1182 >            for (int i = 0; i < tasks.length; ++i)
1183 >                tasks[i] = new TrackedNoOpRunnable();
1184 >            p.execute(new TrackedLongRunnable());
1185 >            for (TrackedNoOpRunnable task : tasks)
1186 >                p.execute(task);
1187 >            for (TrackedNoOpRunnable task : tasks)
1188 >                assertFalse(task.done);
1189 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1190 >        } finally {
1191 >            joinPool(p);
1192 >        }
1193 >    }
1194 >
1195 >    /**
1196 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1197 >     */
1198 >    public void testSaturatedExecute4() {
1199 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1200 >        final ThreadPoolExecutor p =
1201 >            new ThreadPoolExecutor(1, 1,
1202 >                                   LONG_DELAY_MS, MILLISECONDS,
1203 >                                   new ArrayBlockingQueue<Runnable>(1),
1204 >                                   h);
1205 >        try {
1206 >            p.execute(new TrackedLongRunnable());
1207 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1208 >            p.execute(r2);
1209 >            assertTrue(p.getQueue().contains(r2));
1210 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1211 >            p.execute(r3);
1212 >            assertFalse(p.getQueue().contains(r2));
1213 >            assertTrue(p.getQueue().contains(r3));
1214 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1215 >        } finally {
1216 >            joinPool(p);
1217 >        }
1218 >    }
1219 >
1220 >    /**
1221 >     * execute throws RejectedExecutionException if shutdown
1222 >     */
1223 >    public void testRejectedExecutionExceptionOnShutdown() {
1224 >        ThreadPoolExecutor p =
1225 >            new ThreadPoolExecutor(1, 1,
1226 >                                   LONG_DELAY_MS, MILLISECONDS,
1227 >                                   new ArrayBlockingQueue<Runnable>(1));
1228 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1229          try {
1230 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1230 >            p.execute(new NoOpRunnable());
1231              shouldThrow();
1232 +        } catch (RejectedExecutionException success) {}
1233 +
1234 +        joinPool(p);
1235 +    }
1236 +
1237 +    /**
1238 +     * execute using CallerRunsPolicy drops task on shutdown
1239 +     */
1240 +    public void testCallerRunsOnShutdown() {
1241 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1242 +        final ThreadPoolExecutor p =
1243 +            new ThreadPoolExecutor(1, 1,
1244 +                                   LONG_DELAY_MS, MILLISECONDS,
1245 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1246 +
1247 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1248 +        try {
1249 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1250 +            p.execute(r);
1251 +            assertFalse(r.done);
1252 +        } finally {
1253 +            joinPool(p);
1254 +        }
1255 +    }
1256 +
1257 +    /**
1258 +     * execute using DiscardPolicy drops task on shutdown
1259 +     */
1260 +    public void testDiscardOnShutdown() {
1261 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1262 +        ThreadPoolExecutor p =
1263 +            new ThreadPoolExecutor(1, 1,
1264 +                                   LONG_DELAY_MS, MILLISECONDS,
1265 +                                   new ArrayBlockingQueue<Runnable>(1),
1266 +                                   h);
1267 +
1268 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1269 +        try {
1270 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1271 +            p.execute(r);
1272 +            assertFalse(r.done);
1273 +        } finally {
1274 +            joinPool(p);
1275          }
427        catch (NullPointerException success){}  
1276      }
1277  
1278 <    /** Throws if handler is set to null */
1279 <    public void testNullPointerException5() {
1278 >    /**
1279 >     * execute using DiscardOldestPolicy drops task on shutdown
1280 >     */
1281 >    public void testDiscardOldestOnShutdown() {
1282 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1283 >        ThreadPoolExecutor p =
1284 >            new ThreadPoolExecutor(1, 1,
1285 >                                   LONG_DELAY_MS, MILLISECONDS,
1286 >                                   new ArrayBlockingQueue<Runnable>(1),
1287 >                                   h);
1288 >
1289 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1290 >        try {
1291 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1292 >            p.execute(r);
1293 >            assertFalse(r.done);
1294 >        } finally {
1295 >            joinPool(p);
1296 >        }
1297 >    }
1298 >
1299 >    /**
1300 >     * execute(null) throws NPE
1301 >     */
1302 >    public void testExecuteNull() {
1303 >        ThreadPoolExecutor p =
1304 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1305 >                                   new ArrayBlockingQueue<Runnable>(10));
1306 >        try {
1307 >            p.execute(null);
1308 >            shouldThrow();
1309 >        } catch (NullPointerException success) {}
1310 >
1311 >        joinPool(p);
1312 >    }
1313 >
1314 >    /**
1315 >     * setCorePoolSize of negative value throws IllegalArgumentException
1316 >     */
1317 >    public void testCorePoolSizeIllegalArgumentException() {
1318 >        ThreadPoolExecutor p =
1319 >            new ThreadPoolExecutor(1, 2,
1320 >                                   LONG_DELAY_MS, MILLISECONDS,
1321 >                                   new ArrayBlockingQueue<Runnable>(10));
1322          try {
1323 <            RejectedExecutionHandler r = null;
434 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1323 >            p.setCorePoolSize(-1);
1324              shouldThrow();
1325 +        } catch (IllegalArgumentException success) {
1326 +        } finally {
1327 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1328          }
1329 <        catch (NullPointerException success){}  
1329 >        joinPool(p);
1330      }
1331  
1332 <    
1333 <    /** Throws if corePoolSize argument is less than zero */
1334 <    public void testConstructor16() {
1332 >    /**
1333 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1334 >     * given a value less the core pool size
1335 >     */
1336 >    public void testMaximumPoolSizeIllegalArgumentException() {
1337 >        ThreadPoolExecutor p =
1338 >            new ThreadPoolExecutor(2, 3,
1339 >                                   LONG_DELAY_MS, MILLISECONDS,
1340 >                                   new ArrayBlockingQueue<Runnable>(10));
1341          try {
1342 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1342 >            p.setMaximumPoolSize(1);
1343              shouldThrow();
1344 +        } catch (IllegalArgumentException success) {
1345 +        } finally {
1346 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1347          }
1348 <        catch (IllegalArgumentException success){}
1348 >        joinPool(p);
1349      }
1350  
1351 <    /** Throws if maximumPoolSize is less than zero */
1352 <    public void testConstructor17() {
1351 >    /**
1352 >     * setMaximumPoolSize throws IllegalArgumentException
1353 >     * if given a negative value
1354 >     */
1355 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1356 >        ThreadPoolExecutor p =
1357 >            new ThreadPoolExecutor(2, 3,
1358 >                                   LONG_DELAY_MS, MILLISECONDS,
1359 >                                   new ArrayBlockingQueue<Runnable>(10));
1360          try {
1361 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1361 >            p.setMaximumPoolSize(-1);
1362              shouldThrow();
1363 +        } catch (IllegalArgumentException success) {
1364 +        } finally {
1365 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1366          }
1367 <        catch (IllegalArgumentException success){}
1367 >        joinPool(p);
1368      }
1369  
1370 <    /** Throws if maximumPoolSize is equal to zero */
1371 <    public void testConstructor18() {
1370 >    /**
1371 >     * Configuration changes that allow core pool size greater than
1372 >     * max pool size result in IllegalArgumentException.
1373 >     */
1374 >    public void testPoolSizeInvariants() {
1375 >        ThreadPoolExecutor p =
1376 >            new ThreadPoolExecutor(1, 1,
1377 >                                   LONG_DELAY_MS, MILLISECONDS,
1378 >                                   new ArrayBlockingQueue<Runnable>(10));
1379 >        for (int s = 1; s < 5; s++) {
1380 >            p.setMaximumPoolSize(s);
1381 >            p.setCorePoolSize(s);
1382 >            try {
1383 >                p.setMaximumPoolSize(s - 1);
1384 >                shouldThrow();
1385 >            } catch (IllegalArgumentException success) {}
1386 >            assertEquals(s, p.getCorePoolSize());
1387 >            assertEquals(s, p.getMaximumPoolSize());
1388 >            try {
1389 >                p.setCorePoolSize(s + 1);
1390 >                shouldThrow();
1391 >            } catch (IllegalArgumentException success) {}
1392 >            assertEquals(s, p.getCorePoolSize());
1393 >            assertEquals(s, p.getMaximumPoolSize());
1394 >        }
1395 >        joinPool(p);
1396 >    }
1397 >
1398 >    /**
1399 >     * setKeepAliveTime throws IllegalArgumentException
1400 >     * when given a negative value
1401 >     */
1402 >    public void testKeepAliveTimeIllegalArgumentException() {
1403 >        ThreadPoolExecutor p =
1404 >            new ThreadPoolExecutor(2, 3,
1405 >                                   LONG_DELAY_MS, MILLISECONDS,
1406 >                                   new ArrayBlockingQueue<Runnable>(10));
1407          try {
1408 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1408 >            p.setKeepAliveTime(-1,MILLISECONDS);
1409              shouldThrow();
1410 +        } catch (IllegalArgumentException success) {
1411 +        } finally {
1412 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1413          }
1414 <        catch (IllegalArgumentException success){}
1414 >        joinPool(p);
1415      }
1416  
1417 <    /** Throws if keepAliveTime is less than zero */
1418 <    public void testConstructor19() {
1417 >    /**
1418 >     * terminated() is called on termination
1419 >     */
1420 >    public void testTerminated() {
1421 >        ExtendedTPE p = new ExtendedTPE();
1422 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1423 >        assertTrue(p.terminatedCalled());
1424 >        joinPool(p);
1425 >    }
1426 >
1427 >    /**
1428 >     * beforeExecute and afterExecute are called when executing task
1429 >     */
1430 >    public void testBeforeAfter() throws InterruptedException {
1431 >        ExtendedTPE p = new ExtendedTPE();
1432          try {
1433 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1433 >            final CountDownLatch done = new CountDownLatch(1);
1434 >            p.execute(new CheckedRunnable() {
1435 >                public void realRun() {
1436 >                    done.countDown();
1437 >                }});
1438 >            await(p.afterCalled);
1439 >            assertEquals(0, done.getCount());
1440 >            assertTrue(p.afterCalled());
1441 >            assertTrue(p.beforeCalled());
1442 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1443 >        } finally {
1444 >            joinPool(p);
1445 >        }
1446 >    }
1447 >
1448 >    /**
1449 >     * completed submit of callable returns result
1450 >     */
1451 >    public void testSubmitCallable() 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 StringTask());
1458 >            String result = future.get();
1459 >            assertSame(TEST_STRING, result);
1460 >        } finally {
1461 >            joinPool(e);
1462 >        }
1463 >    }
1464 >
1465 >    /**
1466 >     * completed submit of runnable returns successfully
1467 >     */
1468 >    public void testSubmitRunnable() throws Exception {
1469 >        ExecutorService e =
1470 >            new ThreadPoolExecutor(2, 2,
1471 >                                   LONG_DELAY_MS, MILLISECONDS,
1472 >                                   new ArrayBlockingQueue<Runnable>(10));
1473 >        try {
1474 >            Future<?> future = e.submit(new NoOpRunnable());
1475 >            future.get();
1476 >            assertTrue(future.isDone());
1477 >        } finally {
1478 >            joinPool(e);
1479 >        }
1480 >    }
1481 >
1482 >    /**
1483 >     * completed submit of (runnable, result) returns result
1484 >     */
1485 >    public void testSubmitRunnable2() throws Exception {
1486 >        ExecutorService e =
1487 >            new ThreadPoolExecutor(2, 2,
1488 >                                   LONG_DELAY_MS, MILLISECONDS,
1489 >                                   new ArrayBlockingQueue<Runnable>(10));
1490 >        try {
1491 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1492 >            String result = future.get();
1493 >            assertSame(TEST_STRING, result);
1494 >        } finally {
1495 >            joinPool(e);
1496 >        }
1497 >    }
1498 >
1499 >    /**
1500 >     * invokeAny(null) throws NPE
1501 >     */
1502 >    public void testInvokeAny1() throws Exception {
1503 >        ExecutorService e =
1504 >            new ThreadPoolExecutor(2, 2,
1505 >                                   LONG_DELAY_MS, MILLISECONDS,
1506 >                                   new ArrayBlockingQueue<Runnable>(10));
1507 >        try {
1508 >            e.invokeAny(null);
1509              shouldThrow();
1510 +        } catch (NullPointerException success) {
1511 +        } finally {
1512 +            joinPool(e);
1513          }
474        catch (IllegalArgumentException success){}
1514      }
1515  
1516 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1517 <    public void testConstructor20() {
1516 >    /**
1517 >     * invokeAny(empty collection) throws IAE
1518 >     */
1519 >    public void testInvokeAny2() throws Exception {
1520 >        ExecutorService e =
1521 >            new ThreadPoolExecutor(2, 2,
1522 >                                   LONG_DELAY_MS, MILLISECONDS,
1523 >                                   new ArrayBlockingQueue<Runnable>(10));
1524          try {
1525 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1525 >            e.invokeAny(new ArrayList<Callable<String>>());
1526              shouldThrow();
1527 +        } catch (IllegalArgumentException success) {
1528 +        } finally {
1529 +            joinPool(e);
1530          }
483        catch (IllegalArgumentException success){}
1531      }
1532  
1533 <    /** Throws if workQueue is set to null */
1534 <    public void testNullPointerException6() {
1533 >    /**
1534 >     * invokeAny(c) throws NPE if c has null elements
1535 >     */
1536 >    public void testInvokeAny3() throws Exception {
1537 >        final CountDownLatch latch = new CountDownLatch(1);
1538 >        final ExecutorService e =
1539 >            new ThreadPoolExecutor(2, 2,
1540 >                                   LONG_DELAY_MS, MILLISECONDS,
1541 >                                   new ArrayBlockingQueue<Runnable>(10));
1542 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1543 >        l.add(latchAwaitingStringTask(latch));
1544 >        l.add(null);
1545          try {
1546 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1546 >            e.invokeAny(l);
1547              shouldThrow();
1548 +        } catch (NullPointerException success) {
1549 +        } finally {
1550 +            latch.countDown();
1551 +            joinPool(e);
1552          }
492        catch (NullPointerException success){}  
1553      }
1554  
1555 <    /** Throws if handler is set to null */
1556 <    public void testNullPointerException7() {
1555 >    /**
1556 >     * invokeAny(c) throws ExecutionException if no task completes
1557 >     */
1558 >    public void testInvokeAny4() throws Exception {
1559 >        ExecutorService e =
1560 >            new ThreadPoolExecutor(2, 2,
1561 >                                   LONG_DELAY_MS, MILLISECONDS,
1562 >                                   new ArrayBlockingQueue<Runnable>(10));
1563 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1564 >        l.add(new NPETask());
1565          try {
1566 <            RejectedExecutionHandler r = null;
499 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1566 >            e.invokeAny(l);
1567              shouldThrow();
1568 +        } catch (ExecutionException success) {
1569 +            assertTrue(success.getCause() instanceof NullPointerException);
1570 +        } finally {
1571 +            joinPool(e);
1572          }
502        catch (NullPointerException success){}  
1573      }
1574  
1575 <    /** Throws if ThreadFactory is set top null */
1576 <    public void testNullPointerException8() {
1575 >    /**
1576 >     * invokeAny(c) returns result of some task
1577 >     */
1578 >    public void testInvokeAny5() throws Exception {
1579 >        ExecutorService e =
1580 >            new ThreadPoolExecutor(2, 2,
1581 >                                   LONG_DELAY_MS, MILLISECONDS,
1582 >                                   new ArrayBlockingQueue<Runnable>(10));
1583 >        try {
1584 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1585 >            l.add(new StringTask());
1586 >            l.add(new StringTask());
1587 >            String result = e.invokeAny(l);
1588 >            assertSame(TEST_STRING, result);
1589 >        } finally {
1590 >            joinPool(e);
1591 >        }
1592 >    }
1593 >
1594 >    /**
1595 >     * invokeAll(null) throws NPE
1596 >     */
1597 >    public void testInvokeAll1() throws Exception {
1598 >        ExecutorService e =
1599 >            new ThreadPoolExecutor(2, 2,
1600 >                                   LONG_DELAY_MS, MILLISECONDS,
1601 >                                   new ArrayBlockingQueue<Runnable>(10));
1602          try {
1603 <            ThreadFactory f = null;
509 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1603 >            e.invokeAll(null);
1604              shouldThrow();
1605 +        } catch (NullPointerException success) {
1606 +        } finally {
1607 +            joinPool(e);
1608          }
512        catch (NullPointerException successdn8){}  
1609      }
514    
1610  
1611      /**
1612 <     *   execute will throw RejectedExcutionException
518 <     *  ThreadPoolExecutor will throw one when more runnables are
519 <     *  executed then will fit in the Queue.
1612 >     * invokeAll(empty collection) returns empty collection
1613       */
1614 <    public void testRejectedExecutionException() {
1615 <        ThreadPoolExecutor tpe = null;
1614 >    public void testInvokeAll2() throws InterruptedException {
1615 >        ExecutorService e =
1616 >            new ThreadPoolExecutor(2, 2,
1617 >                                   LONG_DELAY_MS, MILLISECONDS,
1618 >                                   new ArrayBlockingQueue<Runnable>(10));
1619          try {
1620 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1621 <        } catch(Exception e){}
1622 <        tpe.shutdown();
1623 <        try {
1624 <            tpe.execute(new NoOpRunnable());
529 <            shouldThrow();
530 <        } catch(RejectedExecutionException success){}
531 <        
532 <        joinPool(tpe);
1620 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1621 >            assertTrue(r.isEmpty());
1622 >        } finally {
1623 >            joinPool(e);
1624 >        }
1625      }
1626 <    
1626 >
1627      /**
1628 <     *   setCorePoolSize will throw IllegalArgumentException
537 <     *  when given a negative
1628 >     * invokeAll(c) throws NPE if c has null elements
1629       */
1630 <    public void testCorePoolSizeIllegalArgumentException() {
1631 <        ThreadPoolExecutor tpe = null;
1632 <        try {
1633 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1634 <        } catch(Exception e){}
1635 <        try {
1636 <            tpe.setCorePoolSize(-1);
1637 <            shouldThrow();
547 <        } catch(IllegalArgumentException success){
548 <        } finally {
549 <            tpe.shutdown();
550 <        }
551 <        joinPool(tpe);
552 <    }  
553 <
554 <    
555 <    /**
556 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
557 <     *  if given a value less the it's actual core pool size
558 <     */  
559 <    public void testMaximumPoolSizeIllegalArgumentException() {
560 <        ThreadPoolExecutor tpe = null;
1630 >    public void testInvokeAll3() throws Exception {
1631 >        ExecutorService e =
1632 >            new ThreadPoolExecutor(2, 2,
1633 >                                   LONG_DELAY_MS, MILLISECONDS,
1634 >                                   new ArrayBlockingQueue<Runnable>(10));
1635 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1636 >        l.add(new StringTask());
1637 >        l.add(null);
1638          try {
1639 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1640 <        } catch(Exception e){}
1639 >            e.invokeAll(l);
1640 >            shouldThrow();
1641 >        } catch (NullPointerException success) {
1642 >        } finally {
1643 >            joinPool(e);
1644 >        }
1645 >    }
1646 >
1647 >    /**
1648 >     * get of element of invokeAll(c) throws exception on failed task
1649 >     */
1650 >    public void testInvokeAll4() throws Exception {
1651 >        ExecutorService e =
1652 >            new ThreadPoolExecutor(2, 2,
1653 >                                   LONG_DELAY_MS, MILLISECONDS,
1654 >                                   new ArrayBlockingQueue<Runnable>(10));
1655 >        try {
1656 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1657 >            l.add(new NPETask());
1658 >            List<Future<String>> futures = e.invokeAll(l);
1659 >            assertEquals(1, futures.size());
1660 >            try {
1661 >                futures.get(0).get();
1662 >                shouldThrow();
1663 >            } catch (ExecutionException success) {
1664 >                assertTrue(success.getCause() instanceof NullPointerException);
1665 >            }
1666 >        } finally {
1667 >            joinPool(e);
1668 >        }
1669 >    }
1670 >
1671 >    /**
1672 >     * invokeAll(c) returns results of all completed tasks
1673 >     */
1674 >    public void testInvokeAll5() throws Exception {
1675 >        ExecutorService e =
1676 >            new ThreadPoolExecutor(2, 2,
1677 >                                   LONG_DELAY_MS, MILLISECONDS,
1678 >                                   new ArrayBlockingQueue<Runnable>(10));
1679 >        try {
1680 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1681 >            l.add(new StringTask());
1682 >            l.add(new StringTask());
1683 >            List<Future<String>> futures = e.invokeAll(l);
1684 >            assertEquals(2, futures.size());
1685 >            for (Future<String> future : futures)
1686 >                assertSame(TEST_STRING, future.get());
1687 >        } finally {
1688 >            joinPool(e);
1689 >        }
1690 >    }
1691 >
1692 >    /**
1693 >     * timed invokeAny(null) throws NPE
1694 >     */
1695 >    public void testTimedInvokeAny1() throws Exception {
1696 >        ExecutorService e =
1697 >            new ThreadPoolExecutor(2, 2,
1698 >                                   LONG_DELAY_MS, MILLISECONDS,
1699 >                                   new ArrayBlockingQueue<Runnable>(10));
1700          try {
1701 <            tpe.setMaximumPoolSize(1);
1701 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1702              shouldThrow();
1703 <        } catch(IllegalArgumentException success){
1703 >        } catch (NullPointerException success) {
1704          } finally {
1705 <            tpe.shutdown();
1705 >            joinPool(e);
1706          }
571        joinPool(tpe);
1707      }
1708 <    
1708 >
1709      /**
1710 <     *   setMaximumPoolSize will throw IllegalArgumentException
576 <     *  if given a negative number
1710 >     * timed invokeAny(,,null) throws NPE
1711       */
1712 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1713 <        ThreadPoolExecutor tpe = null;
1712 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1713 >        ExecutorService e =
1714 >            new ThreadPoolExecutor(2, 2,
1715 >                                   LONG_DELAY_MS, MILLISECONDS,
1716 >                                   new ArrayBlockingQueue<Runnable>(10));
1717 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1718 >        l.add(new StringTask());
1719          try {
1720 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1721 <        } catch(Exception e){}
1720 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1721 >            shouldThrow();
1722 >        } catch (NullPointerException success) {
1723 >        } finally {
1724 >            joinPool(e);
1725 >        }
1726 >    }
1727 >
1728 >    /**
1729 >     * timed invokeAny(empty collection) throws IAE
1730 >     */
1731 >    public void testTimedInvokeAny2() throws Exception {
1732 >        ExecutorService e =
1733 >            new ThreadPoolExecutor(2, 2,
1734 >                                   LONG_DELAY_MS, MILLISECONDS,
1735 >                                   new ArrayBlockingQueue<Runnable>(10));
1736          try {
1737 <            tpe.setMaximumPoolSize(-1);
1737 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1738              shouldThrow();
1739 <        } catch(IllegalArgumentException success){
1739 >        } catch (IllegalArgumentException success) {
1740          } finally {
1741 <            tpe.shutdown();
1741 >            joinPool(e);
1742          }
590        joinPool(tpe);
1743      }
592    
1744  
1745      /**
1746 <     *   setKeepAliveTime will throw IllegalArgumentException
596 <     *  when given a negative value
1746 >     * timed invokeAny(c) throws NPE if c has null elements
1747       */
1748 <    public void testKeepAliveTimeIllegalArgumentException() {
1749 <        ThreadPoolExecutor tpe = null;
1748 >    public void testTimedInvokeAny3() throws Exception {
1749 >        final CountDownLatch latch = new CountDownLatch(1);
1750 >        final ExecutorService e =
1751 >            new ThreadPoolExecutor(2, 2,
1752 >                                   LONG_DELAY_MS, MILLISECONDS,
1753 >                                   new ArrayBlockingQueue<Runnable>(10));
1754 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1755 >        l.add(latchAwaitingStringTask(latch));
1756 >        l.add(null);
1757 >        try {
1758 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1759 >            shouldThrow();
1760 >        } catch (NullPointerException success) {
1761 >        } finally {
1762 >            latch.countDown();
1763 >            joinPool(e);
1764 >        }
1765 >    }
1766 >
1767 >    /**
1768 >     * timed invokeAny(c) throws ExecutionException if no task completes
1769 >     */
1770 >    public void testTimedInvokeAny4() throws Exception {
1771 >        ExecutorService e =
1772 >            new ThreadPoolExecutor(2, 2,
1773 >                                   LONG_DELAY_MS, MILLISECONDS,
1774 >                                   new ArrayBlockingQueue<Runnable>(10));
1775 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1776 >        l.add(new NPETask());
1777          try {
1778 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
602 <        } catch(Exception e){}
603 <        
604 <        try {
605 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1778 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1779              shouldThrow();
1780 <        } catch(IllegalArgumentException success){
1780 >        } catch (ExecutionException success) {
1781 >            assertTrue(success.getCause() instanceof NullPointerException);
1782          } finally {
1783 <            tpe.shutdown();
1783 >            joinPool(e);
1784          }
611        joinPool(tpe);
1785      }
1786 <  
1786 >
1787 >    /**
1788 >     * timed invokeAny(c) returns result of some task
1789 >     */
1790 >    public void testTimedInvokeAny5() throws Exception {
1791 >        ExecutorService e =
1792 >            new ThreadPoolExecutor(2, 2,
1793 >                                   LONG_DELAY_MS, MILLISECONDS,
1794 >                                   new ArrayBlockingQueue<Runnable>(10));
1795 >        try {
1796 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1797 >            l.add(new StringTask());
1798 >            l.add(new StringTask());
1799 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1800 >            assertSame(TEST_STRING, result);
1801 >        } finally {
1802 >            joinPool(e);
1803 >        }
1804 >    }
1805 >
1806 >    /**
1807 >     * timed invokeAll(null) throws NPE
1808 >     */
1809 >    public void testTimedInvokeAll1() throws Exception {
1810 >        ExecutorService e =
1811 >            new ThreadPoolExecutor(2, 2,
1812 >                                   LONG_DELAY_MS, MILLISECONDS,
1813 >                                   new ArrayBlockingQueue<Runnable>(10));
1814 >        try {
1815 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1816 >            shouldThrow();
1817 >        } catch (NullPointerException success) {
1818 >        } finally {
1819 >            joinPool(e);
1820 >        }
1821 >    }
1822 >
1823 >    /**
1824 >     * timed invokeAll(,,null) throws NPE
1825 >     */
1826 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1827 >        ExecutorService e =
1828 >            new ThreadPoolExecutor(2, 2,
1829 >                                   LONG_DELAY_MS, MILLISECONDS,
1830 >                                   new ArrayBlockingQueue<Runnable>(10));
1831 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1832 >        l.add(new StringTask());
1833 >        try {
1834 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1835 >            shouldThrow();
1836 >        } catch (NullPointerException success) {
1837 >        } finally {
1838 >            joinPool(e);
1839 >        }
1840 >    }
1841 >
1842 >    /**
1843 >     * timed invokeAll(empty collection) returns empty collection
1844 >     */
1845 >    public void testTimedInvokeAll2() throws InterruptedException {
1846 >        ExecutorService e =
1847 >            new ThreadPoolExecutor(2, 2,
1848 >                                   LONG_DELAY_MS, MILLISECONDS,
1849 >                                   new ArrayBlockingQueue<Runnable>(10));
1850 >        try {
1851 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1852 >            assertTrue(r.isEmpty());
1853 >        } finally {
1854 >            joinPool(e);
1855 >        }
1856 >    }
1857 >
1858 >    /**
1859 >     * timed invokeAll(c) throws NPE if c has null elements
1860 >     */
1861 >    public void testTimedInvokeAll3() throws Exception {
1862 >        ExecutorService e =
1863 >            new ThreadPoolExecutor(2, 2,
1864 >                                   LONG_DELAY_MS, MILLISECONDS,
1865 >                                   new ArrayBlockingQueue<Runnable>(10));
1866 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1867 >        l.add(new StringTask());
1868 >        l.add(null);
1869 >        try {
1870 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1871 >            shouldThrow();
1872 >        } catch (NullPointerException success) {
1873 >        } finally {
1874 >            joinPool(e);
1875 >        }
1876 >    }
1877 >
1878 >    /**
1879 >     * get of element of invokeAll(c) throws exception on failed task
1880 >     */
1881 >    public void testTimedInvokeAll4() throws Exception {
1882 >        ExecutorService e =
1883 >            new ThreadPoolExecutor(2, 2,
1884 >                                   LONG_DELAY_MS, MILLISECONDS,
1885 >                                   new ArrayBlockingQueue<Runnable>(10));
1886 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1887 >        l.add(new NPETask());
1888 >        List<Future<String>> futures =
1889 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1890 >        assertEquals(1, futures.size());
1891 >        try {
1892 >            futures.get(0).get();
1893 >            shouldThrow();
1894 >        } catch (ExecutionException success) {
1895 >            assertTrue(success.getCause() instanceof NullPointerException);
1896 >        } finally {
1897 >            joinPool(e);
1898 >        }
1899 >    }
1900 >
1901 >    /**
1902 >     * timed invokeAll(c) returns results of all completed tasks
1903 >     */
1904 >    public void testTimedInvokeAll5() throws Exception {
1905 >        ExecutorService e =
1906 >            new ThreadPoolExecutor(2, 2,
1907 >                                   LONG_DELAY_MS, MILLISECONDS,
1908 >                                   new ArrayBlockingQueue<Runnable>(10));
1909 >        try {
1910 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1911 >            l.add(new StringTask());
1912 >            l.add(new StringTask());
1913 >            List<Future<String>> futures =
1914 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1915 >            assertEquals(2, futures.size());
1916 >            for (Future<String> future : futures)
1917 >                assertSame(TEST_STRING, future.get());
1918 >        } finally {
1919 >            joinPool(e);
1920 >        }
1921 >    }
1922 >
1923 >    /**
1924 >     * timed invokeAll(c) cancels tasks not completed by timeout
1925 >     */
1926 >    public void testTimedInvokeAll6() throws Exception {
1927 >        ExecutorService e =
1928 >            new ThreadPoolExecutor(2, 2,
1929 >                                   LONG_DELAY_MS, MILLISECONDS,
1930 >                                   new ArrayBlockingQueue<Runnable>(10));
1931 >        try {
1932 >            for (long timeout = timeoutMillis();;) {
1933 >                List<Callable<String>> tasks = new ArrayList<>();
1934 >                tasks.add(new StringTask("0"));
1935 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1936 >                tasks.add(new StringTask("2"));
1937 >                long startTime = System.nanoTime();
1938 >                List<Future<String>> futures =
1939 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1940 >                assertEquals(tasks.size(), futures.size());
1941 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1942 >                for (Future future : futures)
1943 >                    assertTrue(future.isDone());
1944 >                assertTrue(futures.get(1).isCancelled());
1945 >                try {
1946 >                    assertEquals("0", futures.get(0).get());
1947 >                    assertEquals("2", futures.get(2).get());
1948 >                    break;
1949 >                } catch (CancellationException retryWithLongerTimeout) {
1950 >                    timeout *= 2;
1951 >                    if (timeout >= LONG_DELAY_MS / 2)
1952 >                        fail("expected exactly one task to be cancelled");
1953 >                }
1954 >            }
1955 >        } finally {
1956 >            joinPool(e);
1957 >        }
1958 >    }
1959 >
1960 >    /**
1961 >     * Execution continues if there is at least one thread even if
1962 >     * thread factory fails to create more
1963 >     */
1964 >    public void testFailingThreadFactory() throws InterruptedException {
1965 >        final ExecutorService e =
1966 >            new ThreadPoolExecutor(100, 100,
1967 >                                   LONG_DELAY_MS, MILLISECONDS,
1968 >                                   new LinkedBlockingQueue<Runnable>(),
1969 >                                   new FailingThreadFactory());
1970 >        try {
1971 >            final int TASKS = 100;
1972 >            final CountDownLatch done = new CountDownLatch(TASKS);
1973 >            for (int k = 0; k < TASKS; ++k)
1974 >                e.execute(new CheckedRunnable() {
1975 >                    public void realRun() {
1976 >                        done.countDown();
1977 >                    }});
1978 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1979 >        } finally {
1980 >            joinPool(e);
1981 >        }
1982 >    }
1983 >
1984 >    /**
1985 >     * allowsCoreThreadTimeOut is by default false.
1986 >     */
1987 >    public void testAllowsCoreThreadTimeOut() {
1988 >        final ThreadPoolExecutor p =
1989 >            new ThreadPoolExecutor(2, 2,
1990 >                                   1000, MILLISECONDS,
1991 >                                   new ArrayBlockingQueue<Runnable>(10));
1992 >        assertFalse(p.allowsCoreThreadTimeOut());
1993 >        joinPool(p);
1994 >    }
1995 >
1996 >    /**
1997 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1998 >     */
1999 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
2000 >        long keepAliveTime = timeoutMillis();
2001 >        final ThreadPoolExecutor p =
2002 >            new ThreadPoolExecutor(2, 10,
2003 >                                   keepAliveTime, MILLISECONDS,
2004 >                                   new ArrayBlockingQueue<Runnable>(10));
2005 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2006 >        try {
2007 >            p.allowCoreThreadTimeOut(true);
2008 >            p.execute(new CheckedRunnable() {
2009 >                public void realRun() {
2010 >                    threadStarted.countDown();
2011 >                    assertEquals(1, p.getPoolSize());
2012 >                }});
2013 >            await(threadStarted);
2014 >            delay(keepAliveTime);
2015 >            long startTime = System.nanoTime();
2016 >            while (p.getPoolSize() > 0
2017 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2018 >                Thread.yield();
2019 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2020 >            assertEquals(0, p.getPoolSize());
2021 >        } finally {
2022 >            joinPool(p);
2023 >        }
2024 >    }
2025 >
2026 >    /**
2027 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2028 >     */
2029 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2030 >        long keepAliveTime = timeoutMillis();
2031 >        final ThreadPoolExecutor p =
2032 >            new ThreadPoolExecutor(2, 10,
2033 >                                   keepAliveTime, MILLISECONDS,
2034 >                                   new ArrayBlockingQueue<Runnable>(10));
2035 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2036 >        try {
2037 >            p.allowCoreThreadTimeOut(false);
2038 >            p.execute(new CheckedRunnable() {
2039 >                public void realRun() throws InterruptedException {
2040 >                    threadStarted.countDown();
2041 >                    assertTrue(p.getPoolSize() >= 1);
2042 >                }});
2043 >            delay(2 * keepAliveTime);
2044 >            assertTrue(p.getPoolSize() >= 1);
2045 >        } finally {
2046 >            joinPool(p);
2047 >        }
2048 >    }
2049 >
2050 >    /**
2051 >     * execute allows the same task to be submitted multiple times, even
2052 >     * if rejected
2053 >     */
2054 >    public void testRejectedRecycledTask() throws InterruptedException {
2055 >        final int nTasks = 1000;
2056 >        final CountDownLatch done = new CountDownLatch(nTasks);
2057 >        final Runnable recycledTask = new Runnable() {
2058 >            public void run() {
2059 >                done.countDown();
2060 >            }};
2061 >        final ThreadPoolExecutor p =
2062 >            new ThreadPoolExecutor(1, 30,
2063 >                                   60, SECONDS,
2064 >                                   new ArrayBlockingQueue(30));
2065 >        try {
2066 >            for (int i = 0; i < nTasks; ++i) {
2067 >                for (;;) {
2068 >                    try {
2069 >                        p.execute(recycledTask);
2070 >                        break;
2071 >                    }
2072 >                    catch (RejectedExecutionException ignore) {}
2073 >                }
2074 >            }
2075 >            // enough time to run all tasks
2076 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2077 >        } finally {
2078 >            joinPool(p);
2079 >        }
2080 >    }
2081 >
2082 >    /**
2083 >     * get(cancelled task) throws CancellationException
2084 >     */
2085 >    public void testGet_cancelled() throws Exception {
2086 >        final ExecutorService e =
2087 >            new ThreadPoolExecutor(1, 1,
2088 >                                   LONG_DELAY_MS, MILLISECONDS,
2089 >                                   new LinkedBlockingQueue<Runnable>());
2090 >        try {
2091 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2092 >            final CountDownLatch done = new CountDownLatch(1);
2093 >            final List<Future<?>> futures = new ArrayList<>();
2094 >            for (int i = 0; i < 2; i++) {
2095 >                Runnable r = new CheckedRunnable() { public void realRun()
2096 >                                                         throws Throwable {
2097 >                    blockerStarted.countDown();
2098 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2099 >                }};
2100 >                futures.add(e.submit(r));
2101 >            }
2102 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2103 >            for (Future<?> future : futures) future.cancel(false);
2104 >            for (Future<?> future : futures) {
2105 >                try {
2106 >                    future.get();
2107 >                    shouldThrow();
2108 >                } catch (CancellationException success) {}
2109 >                try {
2110 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2111 >                    shouldThrow();
2112 >                } catch (CancellationException success) {}
2113 >                assertTrue(future.isCancelled());
2114 >                assertTrue(future.isDone());
2115 >            }
2116 >            done.countDown();
2117 >        } finally {
2118 >            joinPool(e);
2119 >        }
2120 >    }
2121 >
2122   }

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