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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 1.56 by jsr166, Mon Sep 14 00:33:41 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.CancellationException;
18 + import java.util.concurrent.Callable;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 +
33 + import junit.framework.Test;
34 + import junit.framework.TestSuite;
35  
36   public class ThreadPoolExecutorTest extends JSR166TestCase {
37      public static void main(String[] args) {
38 <        junit.textui.TestRunner.run (suite());  
38 >        main(suite(), args);
39      }
40      public static Test suite() {
41          return new TestSuite(ThreadPoolExecutorTest.class);
42      }
43 <    
43 >
44 >    static class ExtendedTPE extends ThreadPoolExecutor {
45 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
46 >        final CountDownLatch afterCalled = new CountDownLatch(1);
47 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
48 >
49 >        public ExtendedTPE() {
50 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
51 >        }
52 >        protected void beforeExecute(Thread t, Runnable r) {
53 >            beforeCalled.countDown();
54 >        }
55 >        protected void afterExecute(Runnable r, Throwable t) {
56 >            afterCalled.countDown();
57 >        }
58 >        protected void terminated() {
59 >            terminatedCalled.countDown();
60 >        }
61 >
62 >        public boolean beforeCalled() {
63 >            return beforeCalled.getCount() == 0;
64 >        }
65 >        public boolean afterCalled() {
66 >            return afterCalled.getCount() == 0;
67 >        }
68 >        public boolean terminatedCalled() {
69 >            return terminatedCalled.getCount() == 0;
70 >        }
71 >    }
72 >
73 >    static class FailingThreadFactory implements ThreadFactory {
74 >        int calls = 0;
75 >        public Thread newThread(Runnable r) {
76 >            if (++calls > 1) return null;
77 >            return new Thread(r);
78 >        }
79 >    }
80 >
81      /**
82 <     * For use as ThreadFactory in constructors
82 >     * execute successfully executes a runnable
83       */
84 <    static class MyThreadFactory implements ThreadFactory{
85 <        public Thread newThread(Runnable r){
86 <            return new Thread(r);
87 <        }  
84 >    public void testExecute() throws InterruptedException {
85 >        final ThreadPoolExecutor p =
86 >            new ThreadPoolExecutor(1, 1,
87 >                                   LONG_DELAY_MS, MILLISECONDS,
88 >                                   new ArrayBlockingQueue<Runnable>(10));
89 >        final CountDownLatch done = new CountDownLatch(1);
90 >        final Runnable task = new CheckedRunnable() {
91 >            public void realRun() {
92 >                done.countDown();
93 >            }};
94 >        try {
95 >            p.execute(task);
96 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
97 >        } finally {
98 >            joinPool(p);
99 >        }
100      }
101  
102      /**
103 <     * For use as RejectedExecutionHandler in constructors
103 >     * getActiveCount increases but doesn't overestimate, when a
104 >     * thread becomes active
105       */
106 <    static class MyREHandler implements RejectedExecutionHandler{
107 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
106 >    public void testGetActiveCount() throws InterruptedException {
107 >        final ThreadPoolExecutor p =
108 >            new ThreadPoolExecutor(2, 2,
109 >                                   LONG_DELAY_MS, MILLISECONDS,
110 >                                   new ArrayBlockingQueue<Runnable>(10));
111 >        final CountDownLatch threadStarted = new CountDownLatch(1);
112 >        final CountDownLatch done = new CountDownLatch(1);
113 >        try {
114 >            assertEquals(0, p.getActiveCount());
115 >            p.execute(new CheckedRunnable() {
116 >                public void realRun() throws InterruptedException {
117 >                    threadStarted.countDown();
118 >                    assertEquals(1, p.getActiveCount());
119 >                    done.await();
120 >                }});
121 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
122 >            assertEquals(1, p.getActiveCount());
123 >        } finally {
124 >            done.countDown();
125 >            joinPool(p);
126 >        }
127      }
128 <
128 >
129      /**
130 <     *   execute successfully executes a runnable
130 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
131       */
132 <    public void testExecute() {
133 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
134 <        try {
135 <            p1.execute(new Runnable() {
136 <                    public void run() {
137 <                        try {
138 <                            Thread.sleep(SHORT_DELAY_MS);
139 <                        } catch(InterruptedException e){
140 <                            threadUnexpectedException();
141 <                        }
142 <                    }
143 <                });
144 <            Thread.sleep(SMALL_DELAY_MS);
52 <        } catch(InterruptedException e){
53 <            unexpectedException();
54 <        }
55 <        joinPool(p1);
132 >    public void testPrestartCoreThread() {
133 >        final ThreadPoolExecutor p =
134 >            new ThreadPoolExecutor(2, 2,
135 >                                   LONG_DELAY_MS, MILLISECONDS,
136 >                                   new ArrayBlockingQueue<Runnable>(10));
137 >        assertEquals(0, p.getPoolSize());
138 >        assertTrue(p.prestartCoreThread());
139 >        assertEquals(1, p.getPoolSize());
140 >        assertTrue(p.prestartCoreThread());
141 >        assertEquals(2, p.getPoolSize());
142 >        assertFalse(p.prestartCoreThread());
143 >        assertEquals(2, p.getPoolSize());
144 >        joinPool(p);
145      }
146  
147      /**
148 <     *   getActiveCount gives correct values
148 >     * prestartAllCoreThreads starts all corePoolSize threads
149       */
150 <    public void testGetActiveCount() {
151 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
152 <        assertEquals(0, p2.getActiveCount());
153 <        p2.execute(new MediumRunnable());
154 <        try {
155 <            Thread.sleep(SHORT_DELAY_MS);
156 <        } catch(Exception e){
157 <            unexpectedException();
158 <        }
159 <        assertEquals(1, p2.getActiveCount());
160 <        joinPool(p2);
150 >    public void testPrestartAllCoreThreads() {
151 >        final ThreadPoolExecutor p =
152 >            new ThreadPoolExecutor(2, 2,
153 >                                   LONG_DELAY_MS, MILLISECONDS,
154 >                                   new ArrayBlockingQueue<Runnable>(10));
155 >        assertEquals(0, p.getPoolSize());
156 >        p.prestartAllCoreThreads();
157 >        assertEquals(2, p.getPoolSize());
158 >        p.prestartAllCoreThreads();
159 >        assertEquals(2, p.getPoolSize());
160 >        joinPool(p);
161      }
162 <    
162 >
163      /**
164 <     *   getCompleteTaskCount gives correct values
164 >     * getCompletedTaskCount increases, but doesn't overestimate,
165 >     * when tasks complete
166       */
167 <    public void testGetCompletedTaskCount() {
168 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169 <        assertEquals(0, p2.getCompletedTaskCount());
170 <        p2.execute(new ShortRunnable());
171 <        try {
172 <            Thread.sleep(MEDIUM_DELAY_MS);
173 <        } catch(Exception e){
174 <            unexpectedException();
167 >    public void testGetCompletedTaskCount() throws InterruptedException {
168 >        final ThreadPoolExecutor p =
169 >            new ThreadPoolExecutor(2, 2,
170 >                                   LONG_DELAY_MS, MILLISECONDS,
171 >                                   new ArrayBlockingQueue<Runnable>(10));
172 >        final CountDownLatch threadStarted = new CountDownLatch(1);
173 >        final CountDownLatch threadProceed = new CountDownLatch(1);
174 >        final CountDownLatch threadDone = new CountDownLatch(1);
175 >        try {
176 >            assertEquals(0, p.getCompletedTaskCount());
177 >            p.execute(new CheckedRunnable() {
178 >                public void realRun() throws InterruptedException {
179 >                    threadStarted.countDown();
180 >                    assertEquals(0, p.getCompletedTaskCount());
181 >                    threadProceed.await();
182 >                    threadDone.countDown();
183 >                }});
184 >            await(threadStarted);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            threadProceed.countDown();
187 >            threadDone.await();
188 >            long startTime = System.nanoTime();
189 >            while (p.getCompletedTaskCount() != 1) {
190 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
191 >                    fail("timed out");
192 >                Thread.yield();
193 >            }
194 >        } finally {
195 >            joinPool(p);
196          }
86        assertEquals(1, p2.getCompletedTaskCount());
87        p2.shutdown();
88        joinPool(p2);
197      }
198 <    
198 >
199      /**
200 <     *   getCorePoolSize gives correct values
200 >     * getCorePoolSize returns size given in constructor if not otherwise set
201       */
202      public void testGetCorePoolSize() {
203 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
204 <        assertEquals(1, p1.getCorePoolSize());
205 <        joinPool(p1);
203 >        final ThreadPoolExecutor p =
204 >            new ThreadPoolExecutor(1, 1,
205 >                                   LONG_DELAY_MS, MILLISECONDS,
206 >                                   new ArrayBlockingQueue<Runnable>(10));
207 >        assertEquals(1, p.getCorePoolSize());
208 >        joinPool(p);
209      }
210 <    
210 >
211      /**
212 <     *   getKeepAliveTime gives correct values
212 >     * getKeepAliveTime returns value given in constructor if not otherwise set
213       */
214      public void testGetKeepAliveTime() {
215 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
216 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
217 <        joinPool(p2);
218 <    }
219 <    
220 <    /**
110 <     *   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);
215 >        final ThreadPoolExecutor p =
216 >            new ThreadPoolExecutor(2, 2,
217 >                                   1000, MILLISECONDS,
218 >                                   new ArrayBlockingQueue<Runnable>(10));
219 >        assertEquals(1, p.getKeepAliveTime(SECONDS));
220 >        joinPool(p);
221      }
222 <    
222 >
223      /**
224 <     *   getMaximumPoolSize gives correct values
224 >     * getThreadFactory returns factory in constructor if not set
225       */
226 <    public void testGetMaximumPoolSize() {
227 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
228 <        assertEquals(2, p2.getMaximumPoolSize());
229 <        joinPool(p2);
226 >    public void testGetThreadFactory() {
227 >        ThreadFactory tf = new SimpleThreadFactory();
228 >        final ThreadPoolExecutor p =
229 >            new ThreadPoolExecutor(1, 2,
230 >                                   LONG_DELAY_MS, MILLISECONDS,
231 >                                   new ArrayBlockingQueue<Runnable>(10),
232 >                                   tf,
233 >                                   new NoOpREHandler());
234 >        assertSame(tf, p.getThreadFactory());
235 >        joinPool(p);
236      }
237 <    
237 >
238      /**
239 <     *   getPoolSize gives correct values
239 >     * setThreadFactory sets the thread factory returned by getThreadFactory
240       */
241 <    public void testGetPoolSize() {
242 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
243 <        assertEquals(0, p1.getPoolSize());
244 <        p1.execute(new MediumRunnable());
245 <        assertEquals(1, p1.getPoolSize());
246 <        joinPool(p1);
241 >    public void testSetThreadFactory() {
242 >        final ThreadPoolExecutor p =
243 >            new ThreadPoolExecutor(1, 2,
244 >                                   LONG_DELAY_MS, MILLISECONDS,
245 >                                   new ArrayBlockingQueue<Runnable>(10));
246 >        ThreadFactory tf = new SimpleThreadFactory();
247 >        p.setThreadFactory(tf);
248 >        assertSame(tf, p.getThreadFactory());
249 >        joinPool(p);
250      }
251 <    
251 >
252      /**
253 <     *   getTaskCount gives correct values
253 >     * setThreadFactory(null) throws NPE
254       */
255 <    public void testGetTaskCount() {
256 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
255 >    public void testSetThreadFactoryNull() {
256 >        final ThreadPoolExecutor p =
257 >            new ThreadPoolExecutor(1, 2,
258 >                                   LONG_DELAY_MS, MILLISECONDS,
259 >                                   new ArrayBlockingQueue<Runnable>(10));
260          try {
261 <            assertEquals(0, p1.getTaskCount());
262 <            p1.execute(new MediumRunnable());
263 <            Thread.sleep(SHORT_DELAY_MS);
264 <            assertEquals(1, p1.getTaskCount());
265 <        } catch(Exception e){
266 <            unexpectedException();
158 <        }
159 <        joinPool(p1);
261 >            p.setThreadFactory(null);
262 >            shouldThrow();
263 >        } catch (NullPointerException success) {
264 >        } finally {
265 >            joinPool(p);
266 >        }
267      }
268 <    
268 >
269      /**
270 <     *   isShutDown gives correct values
270 >     * getRejectedExecutionHandler returns handler in constructor if not set
271       */
272 <    public void testIsShutdown() {
273 <        
274 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
275 <        assertFalse(p1.isShutdown());
276 <        p1.shutdown();
277 <        assertTrue(p1.isShutdown());
278 <        joinPool(p1);
272 >    public void testGetRejectedExecutionHandler() {
273 >        final RejectedExecutionHandler h = new NoOpREHandler();
274 >        final ThreadPoolExecutor p =
275 >            new ThreadPoolExecutor(1, 2,
276 >                                   LONG_DELAY_MS, MILLISECONDS,
277 >                                   new ArrayBlockingQueue<Runnable>(10),
278 >                                   h);
279 >        assertSame(h, p.getRejectedExecutionHandler());
280 >        joinPool(p);
281 >    }
282 >
283 >    /**
284 >     * setRejectedExecutionHandler sets the handler returned by
285 >     * getRejectedExecutionHandler
286 >     */
287 >    public void testSetRejectedExecutionHandler() {
288 >        final ThreadPoolExecutor p =
289 >            new ThreadPoolExecutor(1, 2,
290 >                                   LONG_DELAY_MS, MILLISECONDS,
291 >                                   new ArrayBlockingQueue<Runnable>(10));
292 >        RejectedExecutionHandler h = new NoOpREHandler();
293 >        p.setRejectedExecutionHandler(h);
294 >        assertSame(h, p.getRejectedExecutionHandler());
295 >        joinPool(p);
296      }
297  
174        
298      /**
299 <     *   isTerminated gives correct values
177 <     *  Makes sure termination does not take an innapropriate
178 <     *  amount of time
299 >     * setRejectedExecutionHandler(null) throws NPE
300       */
301 <    public void testIsTerminated() {
302 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
301 >    public void testSetRejectedExecutionHandlerNull() {
302 >        final ThreadPoolExecutor p =
303 >            new ThreadPoolExecutor(1, 2,
304 >                                   LONG_DELAY_MS, MILLISECONDS,
305 >                                   new ArrayBlockingQueue<Runnable>(10));
306          try {
307 <            p1.execute(new MediumRunnable());
307 >            p.setRejectedExecutionHandler(null);
308 >            shouldThrow();
309 >        } catch (NullPointerException success) {
310          } finally {
311 <            p1.shutdown();
311 >            joinPool(p);
312          }
187        try {
188            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
189            assertTrue(p1.isTerminated());
190        } catch(Exception e){
191            unexpectedException();
192        }      
313      }
314  
315      /**
316 <     *  isTerminating gives correct values
316 >     * getLargestPoolSize increases, but doesn't overestimate, when
317 >     * multiple threads active
318       */
319 <    public void testIsTerminating() {
320 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
321 <        assertFalse(p1.isTerminating());
322 <        try {
323 <            p1.execute(new SmallRunnable());
324 <            assertFalse(p1.isTerminating());
319 >    public void testGetLargestPoolSize() throws InterruptedException {
320 >        final int THREADS = 3;
321 >        final ThreadPoolExecutor p =
322 >            new ThreadPoolExecutor(THREADS, THREADS,
323 >                                   LONG_DELAY_MS, MILLISECONDS,
324 >                                   new ArrayBlockingQueue<Runnable>(10));
325 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
326 >        final CountDownLatch done = new CountDownLatch(1);
327 >        try {
328 >            assertEquals(0, p.getLargestPoolSize());
329 >            for (int i = 0; i < THREADS; i++)
330 >                p.execute(new CheckedRunnable() {
331 >                    public void realRun() throws InterruptedException {
332 >                        threadsStarted.countDown();
333 >                        done.await();
334 >                        assertEquals(THREADS, p.getLargestPoolSize());
335 >                    }});
336 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337 >            assertEquals(THREADS, p.getLargestPoolSize());
338          } finally {
339 <            p1.shutdown();
339 >            done.countDown();
340 >            joinPool(p);
341 >            assertEquals(THREADS, p.getLargestPoolSize());
342 >        }
343 >    }
344 >
345 >    /**
346 >     * getMaximumPoolSize returns value given in constructor if not
347 >     * otherwise set
348 >     */
349 >    public void testGetMaximumPoolSize() {
350 >        final ThreadPoolExecutor p =
351 >            new ThreadPoolExecutor(2, 3,
352 >                                   LONG_DELAY_MS, MILLISECONDS,
353 >                                   new ArrayBlockingQueue<Runnable>(10));
354 >        assertEquals(3, p.getMaximumPoolSize());
355 >        joinPool(p);
356 >    }
357 >
358 >    /**
359 >     * getPoolSize increases, but doesn't overestimate, when threads
360 >     * become active
361 >     */
362 >    public void testGetPoolSize() throws InterruptedException {
363 >        final ThreadPoolExecutor p =
364 >            new ThreadPoolExecutor(1, 1,
365 >                                   LONG_DELAY_MS, MILLISECONDS,
366 >                                   new ArrayBlockingQueue<Runnable>(10));
367 >        final CountDownLatch threadStarted = new CountDownLatch(1);
368 >        final CountDownLatch done = new CountDownLatch(1);
369 >        try {
370 >            assertEquals(0, p.getPoolSize());
371 >            p.execute(new CheckedRunnable() {
372 >                public void realRun() throws InterruptedException {
373 >                    threadStarted.countDown();
374 >                    assertEquals(1, p.getPoolSize());
375 >                    done.await();
376 >                }});
377 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
378 >            assertEquals(1, p.getPoolSize());
379 >        } finally {
380 >            done.countDown();
381 >            joinPool(p);
382 >        }
383 >    }
384 >
385 >    /**
386 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
387 >     */
388 >    public void testGetTaskCount() throws InterruptedException {
389 >        final ThreadPoolExecutor p =
390 >            new ThreadPoolExecutor(1, 1,
391 >                                   LONG_DELAY_MS, MILLISECONDS,
392 >                                   new ArrayBlockingQueue<Runnable>(10));
393 >        final CountDownLatch threadStarted = new CountDownLatch(1);
394 >        final CountDownLatch done = new CountDownLatch(1);
395 >        try {
396 >            assertEquals(0, p.getTaskCount());
397 >            p.execute(new CheckedRunnable() {
398 >                public void realRun() throws InterruptedException {
399 >                    threadStarted.countDown();
400 >                    assertEquals(1, p.getTaskCount());
401 >                    done.await();
402 >                }});
403 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404 >            assertEquals(1, p.getTaskCount());
405 >        } finally {
406 >            done.countDown();
407 >            joinPool(p);
408 >        }
409 >    }
410 >
411 >    /**
412 >     * isShutdown is false before shutdown, true after
413 >     */
414 >    public void testIsShutdown() {
415 >        final ThreadPoolExecutor p =
416 >            new ThreadPoolExecutor(1, 1,
417 >                                   LONG_DELAY_MS, MILLISECONDS,
418 >                                   new ArrayBlockingQueue<Runnable>(10));
419 >        assertFalse(p.isShutdown());
420 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
421 >        assertTrue(p.isShutdown());
422 >        joinPool(p);
423 >    }
424 >
425 >    /**
426 >     * awaitTermination on a non-shutdown pool times out
427 >     */
428 >    public void testAwaitTermination_timesOut() throws InterruptedException {
429 >        final ThreadPoolExecutor p =
430 >            new ThreadPoolExecutor(1, 1,
431 >                                   LONG_DELAY_MS, MILLISECONDS,
432 >                                   new ArrayBlockingQueue<Runnable>(10));
433 >        assertFalse(p.isTerminated());
434 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
435 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
436 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
437 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
438 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
439 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
440 >        long timeoutNanos = 999999L;
441 >        long startTime = System.nanoTime();
442 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
443 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
444 >        assertFalse(p.isTerminated());
445 >        startTime = System.nanoTime();
446 >        long timeoutMillis = timeoutMillis();
447 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
448 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
449 >        assertFalse(p.isTerminated());
450 >        p.shutdown();
451 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
452 >        assertTrue(p.isTerminated());
453 >    }
454 >
455 >    /**
456 >     * isTerminated is false before termination, true after
457 >     */
458 >    public void testIsTerminated() throws InterruptedException {
459 >        final ThreadPoolExecutor p =
460 >            new ThreadPoolExecutor(1, 1,
461 >                                   LONG_DELAY_MS, MILLISECONDS,
462 >                                   new ArrayBlockingQueue<Runnable>(10));
463 >        final CountDownLatch threadStarted = new CountDownLatch(1);
464 >        final CountDownLatch done = new CountDownLatch(1);
465 >        assertFalse(p.isTerminated());
466 >        try {
467 >            p.execute(new CheckedRunnable() {
468 >                public void realRun() throws InterruptedException {
469 >                    assertFalse(p.isTerminated());
470 >                    threadStarted.countDown();
471 >                    done.await();
472 >                }});
473 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
474 >            assertFalse(p.isTerminating());
475 >            done.countDown();
476 >        } finally {
477 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
478 >        }
479 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
480 >        assertTrue(p.isTerminated());
481 >    }
482 >
483 >    /**
484 >     * isTerminating is not true when running or when terminated
485 >     */
486 >    public void testIsTerminating() throws InterruptedException {
487 >        final ThreadPoolExecutor p =
488 >            new ThreadPoolExecutor(1, 1,
489 >                                   LONG_DELAY_MS, MILLISECONDS,
490 >                                   new ArrayBlockingQueue<Runnable>(10));
491 >        final CountDownLatch threadStarted = new CountDownLatch(1);
492 >        final CountDownLatch done = new CountDownLatch(1);
493 >        try {
494 >            assertFalse(p.isTerminating());
495 >            p.execute(new CheckedRunnable() {
496 >                public void realRun() throws InterruptedException {
497 >                    assertFalse(p.isTerminating());
498 >                    threadStarted.countDown();
499 >                    done.await();
500 >                }});
501 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
502 >            assertFalse(p.isTerminating());
503 >            done.countDown();
504 >        } finally {
505 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
506 >        }
507 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
508 >        assertTrue(p.isTerminated());
509 >        assertFalse(p.isTerminating());
510 >    }
511 >
512 >    /**
513 >     * getQueue returns the work queue, which contains queued tasks
514 >     */
515 >    public void testGetQueue() throws InterruptedException {
516 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
517 >        final ThreadPoolExecutor p =
518 >            new ThreadPoolExecutor(1, 1,
519 >                                   LONG_DELAY_MS, MILLISECONDS,
520 >                                   q);
521 >        final CountDownLatch threadStarted = new CountDownLatch(1);
522 >        final CountDownLatch done = new CountDownLatch(1);
523 >        try {
524 >            FutureTask[] tasks = new FutureTask[5];
525 >            for (int i = 0; i < tasks.length; i++) {
526 >                Callable task = new CheckedCallable<Boolean>() {
527 >                    public Boolean realCall() throws InterruptedException {
528 >                        threadStarted.countDown();
529 >                        assertSame(q, p.getQueue());
530 >                        done.await();
531 >                        return Boolean.TRUE;
532 >                    }};
533 >                tasks[i] = new FutureTask(task);
534 >                p.execute(tasks[i]);
535 >            }
536 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
537 >            assertSame(q, p.getQueue());
538 >            assertFalse(q.contains(tasks[0]));
539 >            assertTrue(q.contains(tasks[tasks.length - 1]));
540 >            assertEquals(tasks.length - 1, q.size());
541 >        } finally {
542 >            done.countDown();
543 >            joinPool(p);
544 >        }
545 >    }
546 >
547 >    /**
548 >     * remove(task) removes queued task, and fails to remove active task
549 >     */
550 >    public void testRemove() throws InterruptedException {
551 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
552 >        final ThreadPoolExecutor p =
553 >            new ThreadPoolExecutor(1, 1,
554 >                                   LONG_DELAY_MS, MILLISECONDS,
555 >                                   q);
556 >        Runnable[] tasks = new Runnable[5];
557 >        final CountDownLatch threadStarted = new CountDownLatch(1);
558 >        final CountDownLatch done = new CountDownLatch(1);
559 >        try {
560 >            for (int i = 0; i < tasks.length; i++) {
561 >                tasks[i] = new CheckedRunnable() {
562 >                    public void realRun() throws InterruptedException {
563 >                        threadStarted.countDown();
564 >                        done.await();
565 >                    }};
566 >                p.execute(tasks[i]);
567 >            }
568 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569 >            assertFalse(p.remove(tasks[0]));
570 >            assertTrue(q.contains(tasks[4]));
571 >            assertTrue(q.contains(tasks[3]));
572 >            assertTrue(p.remove(tasks[4]));
573 >            assertFalse(p.remove(tasks[4]));
574 >            assertFalse(q.contains(tasks[4]));
575 >            assertTrue(q.contains(tasks[3]));
576 >            assertTrue(p.remove(tasks[3]));
577 >            assertFalse(q.contains(tasks[3]));
578 >        } finally {
579 >            done.countDown();
580 >            joinPool(p);
581          }
207        try {
208            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
209            assertTrue(p1.isTerminated());
210            assertFalse(p1.isTerminating());
211        } catch(Exception e){
212            unexpectedException();
213        }      
582      }
583  
584      /**
585 <     *   purge correctly removes cancelled tasks
218 <     *  from the queue
585 >     * purge removes cancelled tasks from the queue
586       */
587 <    public void testPurge() {
588 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
589 <        CancellableTask[] tasks = new CancellableTask[5];
590 <        for(int i = 0; i < 5; i++){
591 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
592 <            p1.execute(tasks[i]);
587 >    public void testPurge() throws InterruptedException {
588 >        final CountDownLatch threadStarted = new CountDownLatch(1);
589 >        final CountDownLatch done = new CountDownLatch(1);
590 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
591 >        final ThreadPoolExecutor p =
592 >            new ThreadPoolExecutor(1, 1,
593 >                                   LONG_DELAY_MS, MILLISECONDS,
594 >                                   q);
595 >        FutureTask[] tasks = new FutureTask[5];
596 >        try {
597 >            for (int i = 0; i < tasks.length; i++) {
598 >                Callable task = new CheckedCallable<Boolean>() {
599 >                    public Boolean realCall() throws InterruptedException {
600 >                        threadStarted.countDown();
601 >                        done.await();
602 >                        return Boolean.TRUE;
603 >                    }};
604 >                tasks[i] = new FutureTask(task);
605 >                p.execute(tasks[i]);
606 >            }
607 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608 >            assertEquals(tasks.length, p.getTaskCount());
609 >            assertEquals(tasks.length - 1, q.size());
610 >            assertEquals(1L, p.getActiveCount());
611 >            assertEquals(0L, p.getCompletedTaskCount());
612 >            tasks[4].cancel(true);
613 >            tasks[3].cancel(false);
614 >            p.purge();
615 >            assertEquals(tasks.length - 3, q.size());
616 >            assertEquals(tasks.length - 2, p.getTaskCount());
617 >            p.purge();         // Nothing to do
618 >            assertEquals(tasks.length - 3, q.size());
619 >            assertEquals(tasks.length - 2, p.getTaskCount());
620 >        } finally {
621 >            done.countDown();
622 >            joinPool(p);
623          }
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);
624      }
625  
626      /**
627 <     *   shutDownNow returns a list
237 <     *  containing the correct number of elements
627 >     * shutdownNow returns a list containing tasks that were not run
628       */
629 <    public void testShutDownNow() {
630 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
629 >    public void testShutdownNow() {
630 >        final ThreadPoolExecutor p =
631 >            new ThreadPoolExecutor(1, 1,
632 >                                   LONG_DELAY_MS, MILLISECONDS,
633 >                                   new ArrayBlockingQueue<Runnable>(10));
634          List l;
635          try {
636 <            for(int i = 0; i < 5; i++)
637 <                p1.execute(new MediumPossiblyInterruptedRunnable());
636 >            for (int i = 0; i < 5; i++)
637 >                p.execute(new MediumPossiblyInterruptedRunnable());
638          }
639          finally {
640 <            l = p1.shutdownNow();
640 >            try {
641 >                l = p.shutdownNow();
642 >            } catch (SecurityException ok) { return; }
643          }
644 <        assertTrue(p1.isShutdown());
645 <        assertTrue(l.size() <= 4);
644 >        assertTrue(p.isShutdown());
645 >        assertTrue(l.size() <= 4);
646      }
647  
648      // Exception Tests
254    
649  
650 <    /** Throws if corePoolSize argument is less than zero */
650 >    /**
651 >     * Constructor throws if corePoolSize argument is less than zero
652 >     */
653      public void testConstructor1() {
654          try {
655 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
655 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
656 >                                   new ArrayBlockingQueue<Runnable>(10));
657              shouldThrow();
658 <        }
262 <        catch (IllegalArgumentException success){}
658 >        } catch (IllegalArgumentException success) {}
659      }
660 <    
661 <    /** Throws if maximumPoolSize is less than zero */
660 >
661 >    /**
662 >     * Constructor throws if maximumPoolSize is less than zero
663 >     */
664      public void testConstructor2() {
665          try {
666 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
666 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
667 >                                   new ArrayBlockingQueue<Runnable>(10));
668              shouldThrow();
669 <        }
271 <        catch (IllegalArgumentException success){}
669 >        } catch (IllegalArgumentException success) {}
670      }
671 <    
672 <    /** Throws if maximumPoolSize is equal to zero */
671 >
672 >    /**
673 >     * Constructor throws if maximumPoolSize is equal to zero
674 >     */
675      public void testConstructor3() {
676          try {
677 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
677 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
678 >                                   new ArrayBlockingQueue<Runnable>(10));
679              shouldThrow();
680 <        }
280 <        catch (IllegalArgumentException success){}
680 >        } catch (IllegalArgumentException success) {}
681      }
682  
683 <    /** Throws if keepAliveTime is less than zero */
683 >    /**
684 >     * Constructor throws if keepAliveTime is less than zero
685 >     */
686      public void testConstructor4() {
687          try {
688 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
688 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
689 >                                   new ArrayBlockingQueue<Runnable>(10));
690              shouldThrow();
691 <        }
289 <        catch (IllegalArgumentException success){}
691 >        } catch (IllegalArgumentException success) {}
692      }
693  
694 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
694 >    /**
695 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
696 >     */
697      public void testConstructor5() {
698          try {
699 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
699 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
700 >                                   new ArrayBlockingQueue<Runnable>(10));
701              shouldThrow();
702 <        }
298 <        catch (IllegalArgumentException success){}
702 >        } catch (IllegalArgumentException success) {}
703      }
704 <        
705 <    /** Throws if workQueue is set to null */
706 <    public void testNullPointerException() {
704 >
705 >    /**
706 >     * Constructor throws if workQueue is set to null
707 >     */
708 >    public void testConstructorNullPointerException() {
709          try {
710 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
710 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
711 >                                   (BlockingQueue) null);
712              shouldThrow();
713 <        }
307 <        catch (NullPointerException success){}  
713 >        } catch (NullPointerException success) {}
714      }
309    
715  
716 <    
717 <    /** Throws if corePoolSize argument is less than zero */
716 >    /**
717 >     * Constructor throws if corePoolSize argument is less than zero
718 >     */
719      public void testConstructor6() {
720          try {
721 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
721 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
722 >                                   new ArrayBlockingQueue<Runnable>(10),
723 >                                   new SimpleThreadFactory());
724              shouldThrow();
725 <        } catch (IllegalArgumentException success){}
725 >        } catch (IllegalArgumentException success) {}
726      }
727 <    
728 <    /** Throws if maximumPoolSize is less than zero */
727 >
728 >    /**
729 >     * Constructor throws if maximumPoolSize is less than zero
730 >     */
731      public void testConstructor7() {
732          try {
733 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
733 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
734 >                                   new ArrayBlockingQueue<Runnable>(10),
735 >                                   new SimpleThreadFactory());
736              shouldThrow();
737 <        }
326 <        catch (IllegalArgumentException success){}
737 >        } catch (IllegalArgumentException success) {}
738      }
739  
740 <    /** Throws if maximumPoolSize is equal to zero */
740 >    /**
741 >     * Constructor throws if maximumPoolSize is equal to zero
742 >     */
743      public void testConstructor8() {
744          try {
745 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
745 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
746 >                                   new ArrayBlockingQueue<Runnable>(10),
747 >                                   new SimpleThreadFactory());
748              shouldThrow();
749 <        }
335 <        catch (IllegalArgumentException success){}
749 >        } catch (IllegalArgumentException success) {}
750      }
751  
752 <    /** Throws if keepAliveTime is less than zero */
752 >    /**
753 >     * Constructor throws if keepAliveTime is less than zero
754 >     */
755      public void testConstructor9() {
756          try {
757 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
757 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
758 >                                   new ArrayBlockingQueue<Runnable>(10),
759 >                                   new SimpleThreadFactory());
760              shouldThrow();
761 <        }
344 <        catch (IllegalArgumentException success){}
761 >        } catch (IllegalArgumentException success) {}
762      }
763  
764 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
764 >    /**
765 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
766 >     */
767      public void testConstructor10() {
768          try {
769 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
769 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
770 >                                   new ArrayBlockingQueue<Runnable>(10),
771 >                                   new SimpleThreadFactory());
772              shouldThrow();
773 <        }
353 <        catch (IllegalArgumentException success){}
773 >        } catch (IllegalArgumentException success) {}
774      }
775  
776 <    /** Throws if workQueue is set to null */
777 <    public void testNullPointerException2() {
776 >    /**
777 >     * Constructor throws if workQueue is set to null
778 >     */
779 >    public void testConstructorNullPointerException2() {
780          try {
781 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
781 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
782 >                                   (BlockingQueue) null,
783 >                                   new SimpleThreadFactory());
784              shouldThrow();
785 <        }
362 <        catch (NullPointerException success){}  
785 >        } catch (NullPointerException success) {}
786      }
787  
788 <    /** Throws if threadFactory is set to null */
789 <    public void testNullPointerException3() {
788 >    /**
789 >     * Constructor throws if threadFactory is set to null
790 >     */
791 >    public void testConstructorNullPointerException3() {
792          try {
793 <            ThreadFactory f = null;
794 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
793 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
794 >                                   new ArrayBlockingQueue<Runnable>(10),
795 >                                   (ThreadFactory) null);
796              shouldThrow();
797 <        }
372 <        catch (NullPointerException success){}  
797 >        } catch (NullPointerException success) {}
798      }
799 <
800 <    
801 <    /** Throws if corePoolSize argument is less than zero */
799 >
800 >    /**
801 >     * Constructor throws if corePoolSize argument is less than zero
802 >     */
803      public void testConstructor11() {
804          try {
805 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
805 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
806 >                                   new ArrayBlockingQueue<Runnable>(10),
807 >                                   new NoOpREHandler());
808              shouldThrow();
809 <        }
382 <        catch (IllegalArgumentException success){}
809 >        } catch (IllegalArgumentException success) {}
810      }
811  
812 <    /** Throws if maximumPoolSize is less than zero */
812 >    /**
813 >     * Constructor throws if maximumPoolSize is less than zero
814 >     */
815      public void testConstructor12() {
816          try {
817 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
817 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
818 >                                   new ArrayBlockingQueue<Runnable>(10),
819 >                                   new NoOpREHandler());
820              shouldThrow();
821 <        }
391 <        catch (IllegalArgumentException success){}
821 >        } catch (IllegalArgumentException success) {}
822      }
823  
824 <    /** Throws if maximumPoolSize is equal to zero */
824 >    /**
825 >     * Constructor throws if maximumPoolSize is equal to zero
826 >     */
827      public void testConstructor13() {
828          try {
829 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
829 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
830 >                                   new ArrayBlockingQueue<Runnable>(10),
831 >                                   new NoOpREHandler());
832              shouldThrow();
833 <        }
400 <        catch (IllegalArgumentException success){}
833 >        } catch (IllegalArgumentException success) {}
834      }
835  
836 <    /** Throws if keepAliveTime is less than zero */
836 >    /**
837 >     * Constructor throws if keepAliveTime is less than zero
838 >     */
839      public void testConstructor14() {
840          try {
841 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
841 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
842 >                                   new ArrayBlockingQueue<Runnable>(10),
843 >                                   new NoOpREHandler());
844              shouldThrow();
845 <        }
409 <        catch (IllegalArgumentException success){}
845 >        } catch (IllegalArgumentException success) {}
846      }
847  
848 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
848 >    /**
849 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
850 >     */
851      public void testConstructor15() {
852          try {
853 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
853 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
854 >                                   new ArrayBlockingQueue<Runnable>(10),
855 >                                   new NoOpREHandler());
856 >            shouldThrow();
857 >        } catch (IllegalArgumentException success) {}
858 >    }
859 >
860 >    /**
861 >     * Constructor throws if workQueue is set to null
862 >     */
863 >    public void testConstructorNullPointerException4() {
864 >        try {
865 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
866 >                                   (BlockingQueue) null,
867 >                                   new NoOpREHandler());
868 >            shouldThrow();
869 >        } catch (NullPointerException success) {}
870 >    }
871 >
872 >    /**
873 >     * Constructor throws if handler is set to null
874 >     */
875 >    public void testConstructorNullPointerException5() {
876 >        try {
877 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
878 >                                   new ArrayBlockingQueue<Runnable>(10),
879 >                                   (RejectedExecutionHandler) null);
880 >            shouldThrow();
881 >        } catch (NullPointerException success) {}
882 >    }
883 >
884 >    /**
885 >     * Constructor throws if corePoolSize argument is less than zero
886 >     */
887 >    public void testConstructor16() {
888 >        try {
889 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
890 >                                   new ArrayBlockingQueue<Runnable>(10),
891 >                                   new SimpleThreadFactory(),
892 >                                   new NoOpREHandler());
893 >            shouldThrow();
894 >        } catch (IllegalArgumentException success) {}
895 >    }
896 >
897 >    /**
898 >     * Constructor throws if maximumPoolSize is less than zero
899 >     */
900 >    public void testConstructor17() {
901 >        try {
902 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
903 >                                   new ArrayBlockingQueue<Runnable>(10),
904 >                                   new SimpleThreadFactory(),
905 >                                   new NoOpREHandler());
906 >            shouldThrow();
907 >        } catch (IllegalArgumentException success) {}
908 >    }
909 >
910 >    /**
911 >     * Constructor throws if maximumPoolSize is equal to zero
912 >     */
913 >    public void testConstructor18() {
914 >        try {
915 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
916 >                                   new ArrayBlockingQueue<Runnable>(10),
917 >                                   new SimpleThreadFactory(),
918 >                                   new NoOpREHandler());
919 >            shouldThrow();
920 >        } catch (IllegalArgumentException success) {}
921 >    }
922 >
923 >    /**
924 >     * Constructor throws if keepAliveTime is less than zero
925 >     */
926 >    public void testConstructor19() {
927 >        try {
928 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
929 >                                   new ArrayBlockingQueue<Runnable>(10),
930 >                                   new SimpleThreadFactory(),
931 >                                   new NoOpREHandler());
932 >            shouldThrow();
933 >        } catch (IllegalArgumentException success) {}
934 >    }
935 >
936 >    /**
937 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
938 >     */
939 >    public void testConstructor20() {
940 >        try {
941 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
942 >                                   new ArrayBlockingQueue<Runnable>(10),
943 >                                   new SimpleThreadFactory(),
944 >                                   new NoOpREHandler());
945 >            shouldThrow();
946 >        } catch (IllegalArgumentException success) {}
947 >    }
948 >
949 >    /**
950 >     * Constructor throws if workQueue is null
951 >     */
952 >    public void testConstructorNullPointerException6() {
953 >        try {
954 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
955 >                                   (BlockingQueue) null,
956 >                                   new SimpleThreadFactory(),
957 >                                   new NoOpREHandler());
958 >            shouldThrow();
959 >        } catch (NullPointerException success) {}
960 >    }
961 >
962 >    /**
963 >     * Constructor throws if handler is null
964 >     */
965 >    public void testConstructorNullPointerException7() {
966 >        try {
967 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
968 >                                   new ArrayBlockingQueue<Runnable>(10),
969 >                                   new SimpleThreadFactory(),
970 >                                   (RejectedExecutionHandler) null);
971 >            shouldThrow();
972 >        } catch (NullPointerException success) {}
973 >    }
974 >
975 >    /**
976 >     * Constructor throws if ThreadFactory is null
977 >     */
978 >    public void testConstructorNullPointerException8() {
979 >        try {
980 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
981 >                                   new ArrayBlockingQueue<Runnable>(10),
982 >                                   (ThreadFactory) null,
983 >                                   new NoOpREHandler());
984 >            shouldThrow();
985 >        } catch (NullPointerException success) {}
986 >    }
987 >
988 >    /**
989 >     * get of submitted callable throws InterruptedException if interrupted
990 >     */
991 >    public void testInterruptedSubmit() throws InterruptedException {
992 >        final ThreadPoolExecutor p =
993 >            new ThreadPoolExecutor(1, 1,
994 >                                   60, SECONDS,
995 >                                   new ArrayBlockingQueue<Runnable>(10));
996 >
997 >        final CountDownLatch threadStarted = new CountDownLatch(1);
998 >        final CountDownLatch done = new CountDownLatch(1);
999 >        try {
1000 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1001 >                public void realRun() throws Exception {
1002 >                    Callable task = new CheckedCallable<Boolean>() {
1003 >                        public Boolean realCall() throws InterruptedException {
1004 >                            threadStarted.countDown();
1005 >                            done.await();
1006 >                            return Boolean.TRUE;
1007 >                        }};
1008 >                    p.submit(task).get();
1009 >                }});
1010 >
1011 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1012 >            t.interrupt();
1013 >            awaitTermination(t, MEDIUM_DELAY_MS);
1014 >        } finally {
1015 >            done.countDown();
1016 >            joinPool(p);
1017 >        }
1018 >    }
1019 >
1020 >    /**
1021 >     * execute throws RejectedExecutionException if saturated.
1022 >     */
1023 >    public void testSaturatedExecute() {
1024 >        ThreadPoolExecutor p =
1025 >            new ThreadPoolExecutor(1, 1,
1026 >                                   LONG_DELAY_MS, MILLISECONDS,
1027 >                                   new ArrayBlockingQueue<Runnable>(1));
1028 >        final CountDownLatch done = new CountDownLatch(1);
1029 >        try {
1030 >            Runnable task = new CheckedRunnable() {
1031 >                public void realRun() throws InterruptedException {
1032 >                    done.await();
1033 >                }};
1034 >            for (int i = 0; i < 2; ++i)
1035 >                p.execute(task);
1036 >            for (int i = 0; i < 2; ++i) {
1037 >                try {
1038 >                    p.execute(task);
1039 >                    shouldThrow();
1040 >                } catch (RejectedExecutionException success) {}
1041 >                assertTrue(p.getTaskCount() <= 2);
1042 >            }
1043 >        } finally {
1044 >            done.countDown();
1045 >            joinPool(p);
1046 >        }
1047 >    }
1048 >
1049 >    /**
1050 >     * submit(runnable) throws RejectedExecutionException if saturated.
1051 >     */
1052 >    public void testSaturatedSubmitRunnable() {
1053 >        ThreadPoolExecutor p =
1054 >            new ThreadPoolExecutor(1, 1,
1055 >                                   LONG_DELAY_MS, MILLISECONDS,
1056 >                                   new ArrayBlockingQueue<Runnable>(1));
1057 >        final CountDownLatch done = new CountDownLatch(1);
1058 >        try {
1059 >            Runnable task = new CheckedRunnable() {
1060 >                public void realRun() throws InterruptedException {
1061 >                    done.await();
1062 >                }};
1063 >            for (int i = 0; i < 2; ++i)
1064 >                p.submit(task);
1065 >            for (int i = 0; i < 2; ++i) {
1066 >                try {
1067 >                    p.execute(task);
1068 >                    shouldThrow();
1069 >                } catch (RejectedExecutionException success) {}
1070 >                assertTrue(p.getTaskCount() <= 2);
1071 >            }
1072 >        } finally {
1073 >            done.countDown();
1074 >            joinPool(p);
1075 >        }
1076 >    }
1077 >
1078 >    /**
1079 >     * submit(callable) throws RejectedExecutionException if saturated.
1080 >     */
1081 >    public void testSaturatedSubmitCallable() {
1082 >        ThreadPoolExecutor p =
1083 >            new ThreadPoolExecutor(1, 1,
1084 >                                   LONG_DELAY_MS, MILLISECONDS,
1085 >                                   new ArrayBlockingQueue<Runnable>(1));
1086 >        final CountDownLatch done = new CountDownLatch(1);
1087 >        try {
1088 >            Runnable task = new CheckedRunnable() {
1089 >                public void realRun() throws InterruptedException {
1090 >                    done.await();
1091 >                }};
1092 >            for (int i = 0; i < 2; ++i)
1093 >                p.submit(Executors.callable(task));
1094 >            for (int i = 0; i < 2; ++i) {
1095 >                try {
1096 >                    p.execute(task);
1097 >                    shouldThrow();
1098 >                } catch (RejectedExecutionException success) {}
1099 >                assertTrue(p.getTaskCount() <= 2);
1100 >            }
1101 >        } finally {
1102 >            done.countDown();
1103 >            joinPool(p);
1104 >        }
1105 >    }
1106 >
1107 >    /**
1108 >     * executor using CallerRunsPolicy runs task if saturated.
1109 >     */
1110 >    public void testSaturatedExecute2() {
1111 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1112 >        final ThreadPoolExecutor p =
1113 >            new ThreadPoolExecutor(1, 1,
1114 >                                   LONG_DELAY_MS,
1115 >                                   MILLISECONDS,
1116 >                                   new ArrayBlockingQueue<Runnable>(1),
1117 >                                   h);
1118 >        try {
1119 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1120 >            for (int i = 0; i < tasks.length; ++i)
1121 >                tasks[i] = new TrackedNoOpRunnable();
1122 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1123 >            p.execute(mr);
1124 >            for (int i = 0; i < tasks.length; ++i)
1125 >                p.execute(tasks[i]);
1126 >            for (int i = 1; i < tasks.length; ++i)
1127 >                assertTrue(tasks[i].done);
1128 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1129 >        } finally {
1130 >            joinPool(p);
1131 >        }
1132 >    }
1133 >
1134 >    /**
1135 >     * executor using DiscardPolicy drops task if saturated.
1136 >     */
1137 >    public void testSaturatedExecute3() {
1138 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1139 >        final ThreadPoolExecutor p =
1140 >            new ThreadPoolExecutor(1, 1,
1141 >                                   LONG_DELAY_MS, MILLISECONDS,
1142 >                                   new ArrayBlockingQueue<Runnable>(1),
1143 >                                   h);
1144 >        try {
1145 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1146 >            for (int i = 0; i < tasks.length; ++i)
1147 >                tasks[i] = new TrackedNoOpRunnable();
1148 >            p.execute(new TrackedLongRunnable());
1149 >            for (TrackedNoOpRunnable task : tasks)
1150 >                p.execute(task);
1151 >            for (TrackedNoOpRunnable task : tasks)
1152 >                assertFalse(task.done);
1153 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1154 >        } finally {
1155 >            joinPool(p);
1156 >        }
1157 >    }
1158 >
1159 >    /**
1160 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1161 >     */
1162 >    public void testSaturatedExecute4() {
1163 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1164 >        final ThreadPoolExecutor p =
1165 >            new ThreadPoolExecutor(1, 1,
1166 >                                   LONG_DELAY_MS, MILLISECONDS,
1167 >                                   new ArrayBlockingQueue<Runnable>(1),
1168 >                                   h);
1169 >        try {
1170 >            p.execute(new TrackedLongRunnable());
1171 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1172 >            p.execute(r2);
1173 >            assertTrue(p.getQueue().contains(r2));
1174 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1175 >            p.execute(r3);
1176 >            assertFalse(p.getQueue().contains(r2));
1177 >            assertTrue(p.getQueue().contains(r3));
1178 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1179 >        } finally {
1180 >            joinPool(p);
1181 >        }
1182 >    }
1183 >
1184 >    /**
1185 >     * execute throws RejectedExecutionException if shutdown
1186 >     */
1187 >    public void testRejectedExecutionExceptionOnShutdown() {
1188 >        ThreadPoolExecutor p =
1189 >            new ThreadPoolExecutor(1, 1,
1190 >                                   LONG_DELAY_MS, MILLISECONDS,
1191 >                                   new ArrayBlockingQueue<Runnable>(1));
1192 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1193 >        try {
1194 >            p.execute(new NoOpRunnable());
1195              shouldThrow();
1196 +        } catch (RejectedExecutionException success) {}
1197 +
1198 +        joinPool(p);
1199 +    }
1200 +
1201 +    /**
1202 +     * execute using CallerRunsPolicy drops task on shutdown
1203 +     */
1204 +    public void testCallerRunsOnShutdown() {
1205 +        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1206 +        final ThreadPoolExecutor p =
1207 +            new ThreadPoolExecutor(1, 1,
1208 +                                   LONG_DELAY_MS, MILLISECONDS,
1209 +                                   new ArrayBlockingQueue<Runnable>(1), h);
1210 +
1211 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1212 +        try {
1213 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1214 +            p.execute(r);
1215 +            assertFalse(r.done);
1216 +        } finally {
1217 +            joinPool(p);
1218 +        }
1219 +    }
1220 +
1221 +    /**
1222 +     * execute using DiscardPolicy drops task on shutdown
1223 +     */
1224 +    public void testDiscardOnShutdown() {
1225 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1226 +        ThreadPoolExecutor p =
1227 +            new ThreadPoolExecutor(1, 1,
1228 +                                   LONG_DELAY_MS, MILLISECONDS,
1229 +                                   new ArrayBlockingQueue<Runnable>(1),
1230 +                                   h);
1231 +
1232 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1233 +        try {
1234 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1235 +            p.execute(r);
1236 +            assertFalse(r.done);
1237 +        } finally {
1238 +            joinPool(p);
1239 +        }
1240 +    }
1241 +
1242 +    /**
1243 +     * execute using DiscardOldestPolicy drops task on shutdown
1244 +     */
1245 +    public void testDiscardOldestOnShutdown() {
1246 +        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1247 +        ThreadPoolExecutor p =
1248 +            new ThreadPoolExecutor(1, 1,
1249 +                                   LONG_DELAY_MS, MILLISECONDS,
1250 +                                   new ArrayBlockingQueue<Runnable>(1),
1251 +                                   h);
1252 +
1253 +        try { p.shutdown(); } catch (SecurityException ok) { return; }
1254 +        try {
1255 +            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1256 +            p.execute(r);
1257 +            assertFalse(r.done);
1258 +        } finally {
1259 +            joinPool(p);
1260          }
418        catch (IllegalArgumentException success){}
1261      }
1262  
1263 <    /** Throws if workQueue is set to null */
1264 <    public void testNullPointerException4() {
1263 >    /**
1264 >     * execute(null) throws NPE
1265 >     */
1266 >    public void testExecuteNull() {
1267 >        ThreadPoolExecutor p =
1268 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1269 >                                   new ArrayBlockingQueue<Runnable>(10));
1270          try {
1271 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1271 >            p.execute(null);
1272              shouldThrow();
1273 +        } catch (NullPointerException success) {}
1274 +
1275 +        joinPool(p);
1276 +    }
1277 +
1278 +    /**
1279 +     * setCorePoolSize of negative value throws IllegalArgumentException
1280 +     */
1281 +    public void testCorePoolSizeIllegalArgumentException() {
1282 +        ThreadPoolExecutor p =
1283 +            new ThreadPoolExecutor(1, 2,
1284 +                                   LONG_DELAY_MS, MILLISECONDS,
1285 +                                   new ArrayBlockingQueue<Runnable>(10));
1286 +        try {
1287 +            p.setCorePoolSize(-1);
1288 +            shouldThrow();
1289 +        } catch (IllegalArgumentException success) {
1290 +        } finally {
1291 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1292          }
1293 <        catch (NullPointerException success){}  
1293 >        joinPool(p);
1294      }
1295  
1296 <    /** Throws if handler is set to null */
1297 <    public void testNullPointerException5() {
1296 >    /**
1297 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1298 >     * given a value less the core pool size
1299 >     */
1300 >    public void testMaximumPoolSizeIllegalArgumentException() {
1301 >        ThreadPoolExecutor p =
1302 >            new ThreadPoolExecutor(2, 3,
1303 >                                   LONG_DELAY_MS, MILLISECONDS,
1304 >                                   new ArrayBlockingQueue<Runnable>(10));
1305          try {
1306 <            RejectedExecutionHandler r = null;
434 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1306 >            p.setMaximumPoolSize(1);
1307              shouldThrow();
1308 +        } catch (IllegalArgumentException success) {
1309 +        } finally {
1310 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1311          }
1312 <        catch (NullPointerException success){}  
1312 >        joinPool(p);
1313      }
1314  
1315 <    
1316 <    /** Throws if corePoolSize argument is less than zero */
1317 <    public void testConstructor16() {
1315 >    /**
1316 >     * setMaximumPoolSize throws IllegalArgumentException
1317 >     * if given a negative value
1318 >     */
1319 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1320 >        ThreadPoolExecutor p =
1321 >            new ThreadPoolExecutor(2, 3,
1322 >                                   LONG_DELAY_MS, MILLISECONDS,
1323 >                                   new ArrayBlockingQueue<Runnable>(10));
1324          try {
1325 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1325 >            p.setMaximumPoolSize(-1);
1326              shouldThrow();
1327 +        } catch (IllegalArgumentException success) {
1328 +        } finally {
1329 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1330          }
1331 <        catch (IllegalArgumentException success){}
1331 >        joinPool(p);
1332      }
1333  
1334 <    /** Throws if maximumPoolSize is less than zero */
1335 <    public void testConstructor17() {
1334 >    /**
1335 >     * Configuration changes that allow core pool size greater than
1336 >     * max pool size result in IllegalArgumentException.
1337 >     */
1338 >    public void testPoolSizeInvariants() {
1339 >        ThreadPoolExecutor p =
1340 >            new ThreadPoolExecutor(1, 1,
1341 >                                   LONG_DELAY_MS, MILLISECONDS,
1342 >                                   new ArrayBlockingQueue<Runnable>(10));
1343 >        for (int s = 1; s < 5; s++) {
1344 >            p.setMaximumPoolSize(s);
1345 >            p.setCorePoolSize(s);
1346 >            try {
1347 >                p.setMaximumPoolSize(s - 1);
1348 >                shouldThrow();
1349 >            } catch (IllegalArgumentException success) {}
1350 >            assertEquals(s, p.getCorePoolSize());
1351 >            assertEquals(s, p.getMaximumPoolSize());
1352 >            try {
1353 >                p.setCorePoolSize(s + 1);
1354 >                shouldThrow();
1355 >            } catch (IllegalArgumentException success) {}
1356 >            assertEquals(s, p.getCorePoolSize());
1357 >            assertEquals(s, p.getMaximumPoolSize());
1358 >        }
1359 >        joinPool(p);
1360 >    }
1361 >
1362 >    /**
1363 >     * setKeepAliveTime throws IllegalArgumentException
1364 >     * when given a negative value
1365 >     */
1366 >    public void testKeepAliveTimeIllegalArgumentException() {
1367 >        ThreadPoolExecutor p =
1368 >            new ThreadPoolExecutor(2, 3,
1369 >                                   LONG_DELAY_MS, MILLISECONDS,
1370 >                                   new ArrayBlockingQueue<Runnable>(10));
1371          try {
1372 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1372 >            p.setKeepAliveTime(-1,MILLISECONDS);
1373              shouldThrow();
1374 +        } catch (IllegalArgumentException success) {
1375 +        } finally {
1376 +            try { p.shutdown(); } catch (SecurityException ok) { return; }
1377          }
1378 <        catch (IllegalArgumentException success){}
1378 >        joinPool(p);
1379      }
1380  
1381 <    /** Throws if maximumPoolSize is equal to zero */
1382 <    public void testConstructor18() {
1381 >    /**
1382 >     * terminated() is called on termination
1383 >     */
1384 >    public void testTerminated() {
1385 >        ExtendedTPE p = new ExtendedTPE();
1386 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1387 >        assertTrue(p.terminatedCalled());
1388 >        joinPool(p);
1389 >    }
1390 >
1391 >    /**
1392 >     * beforeExecute and afterExecute are called when executing task
1393 >     */
1394 >    public void testBeforeAfter() throws InterruptedException {
1395 >        ExtendedTPE p = new ExtendedTPE();
1396 >        try {
1397 >            final CountDownLatch done = new CountDownLatch(1);
1398 >            p.execute(new CheckedRunnable() {
1399 >                public void realRun() {
1400 >                    done.countDown();
1401 >                }});
1402 >            await(p.afterCalled);
1403 >            assertEquals(0, done.getCount());
1404 >            assertTrue(p.afterCalled());
1405 >            assertTrue(p.beforeCalled());
1406 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1407 >        } finally {
1408 >            joinPool(p);
1409 >        }
1410 >    }
1411 >
1412 >    /**
1413 >     * completed submit of callable returns result
1414 >     */
1415 >    public void testSubmitCallable() throws Exception {
1416 >        ExecutorService e =
1417 >            new ThreadPoolExecutor(2, 2,
1418 >                                   LONG_DELAY_MS, MILLISECONDS,
1419 >                                   new ArrayBlockingQueue<Runnable>(10));
1420 >        try {
1421 >            Future<String> future = e.submit(new StringTask());
1422 >            String result = future.get();
1423 >            assertSame(TEST_STRING, result);
1424 >        } finally {
1425 >            joinPool(e);
1426 >        }
1427 >    }
1428 >
1429 >    /**
1430 >     * completed submit of runnable returns successfully
1431 >     */
1432 >    public void testSubmitRunnable() throws Exception {
1433 >        ExecutorService e =
1434 >            new ThreadPoolExecutor(2, 2,
1435 >                                   LONG_DELAY_MS, MILLISECONDS,
1436 >                                   new ArrayBlockingQueue<Runnable>(10));
1437 >        try {
1438 >            Future<?> future = e.submit(new NoOpRunnable());
1439 >            future.get();
1440 >            assertTrue(future.isDone());
1441 >        } finally {
1442 >            joinPool(e);
1443 >        }
1444 >    }
1445 >
1446 >    /**
1447 >     * completed submit of (runnable, result) returns result
1448 >     */
1449 >    public void testSubmitRunnable2() throws Exception {
1450 >        ExecutorService e =
1451 >            new ThreadPoolExecutor(2, 2,
1452 >                                   LONG_DELAY_MS, MILLISECONDS,
1453 >                                   new ArrayBlockingQueue<Runnable>(10));
1454 >        try {
1455 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1456 >            String result = future.get();
1457 >            assertSame(TEST_STRING, result);
1458 >        } finally {
1459 >            joinPool(e);
1460 >        }
1461 >    }
1462 >
1463 >    /**
1464 >     * invokeAny(null) throws NPE
1465 >     */
1466 >    public void testInvokeAny1() throws Exception {
1467 >        ExecutorService e =
1468 >            new ThreadPoolExecutor(2, 2,
1469 >                                   LONG_DELAY_MS, MILLISECONDS,
1470 >                                   new ArrayBlockingQueue<Runnable>(10));
1471          try {
1472 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1472 >            e.invokeAny(null);
1473              shouldThrow();
1474 +        } catch (NullPointerException success) {
1475 +        } finally {
1476 +            joinPool(e);
1477          }
465        catch (IllegalArgumentException success){}
1478      }
1479  
1480 <    /** Throws if keepAliveTime is less than zero */
1481 <    public void testConstructor19() {
1480 >    /**
1481 >     * invokeAny(empty collection) throws IAE
1482 >     */
1483 >    public void testInvokeAny2() throws Exception {
1484 >        ExecutorService e =
1485 >            new ThreadPoolExecutor(2, 2,
1486 >                                   LONG_DELAY_MS, MILLISECONDS,
1487 >                                   new ArrayBlockingQueue<Runnable>(10));
1488          try {
1489 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1489 >            e.invokeAny(new ArrayList<Callable<String>>());
1490              shouldThrow();
1491 +        } catch (IllegalArgumentException success) {
1492 +        } finally {
1493 +            joinPool(e);
1494          }
474        catch (IllegalArgumentException success){}
1495      }
1496  
1497 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1498 <    public void testConstructor20() {
1497 >    /**
1498 >     * invokeAny(c) throws NPE if c has null elements
1499 >     */
1500 >    public void testInvokeAny3() throws Exception {
1501 >        final CountDownLatch latch = new CountDownLatch(1);
1502 >        final ExecutorService e =
1503 >            new ThreadPoolExecutor(2, 2,
1504 >                                   LONG_DELAY_MS, MILLISECONDS,
1505 >                                   new ArrayBlockingQueue<Runnable>(10));
1506 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1507 >        l.add(latchAwaitingStringTask(latch));
1508 >        l.add(null);
1509 >        try {
1510 >            e.invokeAny(l);
1511 >            shouldThrow();
1512 >        } catch (NullPointerException success) {
1513 >        } finally {
1514 >            latch.countDown();
1515 >            joinPool(e);
1516 >        }
1517 >    }
1518 >
1519 >    /**
1520 >     * invokeAny(c) throws ExecutionException if no task completes
1521 >     */
1522 >    public void testInvokeAny4() throws Exception {
1523 >        ExecutorService e =
1524 >            new ThreadPoolExecutor(2, 2,
1525 >                                   LONG_DELAY_MS, MILLISECONDS,
1526 >                                   new ArrayBlockingQueue<Runnable>(10));
1527 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1528 >        l.add(new NPETask());
1529 >        try {
1530 >            e.invokeAny(l);
1531 >            shouldThrow();
1532 >        } catch (ExecutionException success) {
1533 >            assertTrue(success.getCause() instanceof NullPointerException);
1534 >        } finally {
1535 >            joinPool(e);
1536 >        }
1537 >    }
1538 >
1539 >    /**
1540 >     * invokeAny(c) returns result of some task
1541 >     */
1542 >    public void testInvokeAny5() throws Exception {
1543 >        ExecutorService e =
1544 >            new ThreadPoolExecutor(2, 2,
1545 >                                   LONG_DELAY_MS, MILLISECONDS,
1546 >                                   new ArrayBlockingQueue<Runnable>(10));
1547 >        try {
1548 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1549 >            l.add(new StringTask());
1550 >            l.add(new StringTask());
1551 >            String result = e.invokeAny(l);
1552 >            assertSame(TEST_STRING, result);
1553 >        } finally {
1554 >            joinPool(e);
1555 >        }
1556 >    }
1557 >
1558 >    /**
1559 >     * invokeAll(null) throws NPE
1560 >     */
1561 >    public void testInvokeAll1() throws Exception {
1562 >        ExecutorService e =
1563 >            new ThreadPoolExecutor(2, 2,
1564 >                                   LONG_DELAY_MS, MILLISECONDS,
1565 >                                   new ArrayBlockingQueue<Runnable>(10));
1566          try {
1567 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1567 >            e.invokeAll(null);
1568              shouldThrow();
1569 +        } catch (NullPointerException success) {
1570 +        } finally {
1571 +            joinPool(e);
1572          }
483        catch (IllegalArgumentException success){}
1573      }
1574  
1575 <    /** Throws if workQueue is set to null */
1576 <    public void testNullPointerException6() {
1575 >    /**
1576 >     * invokeAll(empty collection) returns empty collection
1577 >     */
1578 >    public void testInvokeAll2() throws InterruptedException {
1579 >        ExecutorService e =
1580 >            new ThreadPoolExecutor(2, 2,
1581 >                                   LONG_DELAY_MS, MILLISECONDS,
1582 >                                   new ArrayBlockingQueue<Runnable>(10));
1583          try {
1584 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1584 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1585 >            assertTrue(r.isEmpty());
1586 >        } finally {
1587 >            joinPool(e);
1588 >        }
1589 >    }
1590 >
1591 >    /**
1592 >     * invokeAll(c) throws NPE if c has null elements
1593 >     */
1594 >    public void testInvokeAll3() throws Exception {
1595 >        ExecutorService e =
1596 >            new ThreadPoolExecutor(2, 2,
1597 >                                   LONG_DELAY_MS, MILLISECONDS,
1598 >                                   new ArrayBlockingQueue<Runnable>(10));
1599 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1600 >        l.add(new StringTask());
1601 >        l.add(null);
1602 >        try {
1603 >            e.invokeAll(l);
1604              shouldThrow();
1605 +        } catch (NullPointerException success) {
1606 +        } finally {
1607 +            joinPool(e);
1608 +        }
1609 +    }
1610 +
1611 +    /**
1612 +     * get of element of invokeAll(c) throws exception on failed task
1613 +     */
1614 +    public void testInvokeAll4() throws Exception {
1615 +        ExecutorService e =
1616 +            new ThreadPoolExecutor(2, 2,
1617 +                                   LONG_DELAY_MS, MILLISECONDS,
1618 +                                   new ArrayBlockingQueue<Runnable>(10));
1619 +        try {
1620 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1621 +            l.add(new NPETask());
1622 +            List<Future<String>> futures = e.invokeAll(l);
1623 +            assertEquals(1, futures.size());
1624 +            try {
1625 +                futures.get(0).get();
1626 +                shouldThrow();
1627 +            } catch (ExecutionException success) {
1628 +                assertTrue(success.getCause() instanceof NullPointerException);
1629 +            }
1630 +        } finally {
1631 +            joinPool(e);
1632 +        }
1633 +    }
1634 +
1635 +    /**
1636 +     * invokeAll(c) returns results of all completed tasks
1637 +     */
1638 +    public void testInvokeAll5() throws Exception {
1639 +        ExecutorService e =
1640 +            new ThreadPoolExecutor(2, 2,
1641 +                                   LONG_DELAY_MS, MILLISECONDS,
1642 +                                   new ArrayBlockingQueue<Runnable>(10));
1643 +        try {
1644 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1645 +            l.add(new StringTask());
1646 +            l.add(new StringTask());
1647 +            List<Future<String>> futures = e.invokeAll(l);
1648 +            assertEquals(2, futures.size());
1649 +            for (Future<String> future : futures)
1650 +                assertSame(TEST_STRING, future.get());
1651 +        } finally {
1652 +            joinPool(e);
1653          }
492        catch (NullPointerException success){}  
1654      }
1655  
1656 <    /** Throws if handler is set to null */
1657 <    public void testNullPointerException7() {
1656 >    /**
1657 >     * timed invokeAny(null) throws NPE
1658 >     */
1659 >    public void testTimedInvokeAny1() throws Exception {
1660 >        ExecutorService e =
1661 >            new ThreadPoolExecutor(2, 2,
1662 >                                   LONG_DELAY_MS, MILLISECONDS,
1663 >                                   new ArrayBlockingQueue<Runnable>(10));
1664          try {
1665 <            RejectedExecutionHandler r = null;
499 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1665 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1666              shouldThrow();
1667 +        } catch (NullPointerException success) {
1668 +        } finally {
1669 +            joinPool(e);
1670          }
502        catch (NullPointerException success){}  
1671      }
1672  
1673 <    /** Throws if ThreadFactory is set top null */
1674 <    public void testNullPointerException8() {
1673 >    /**
1674 >     * timed invokeAny(,,null) throws NPE
1675 >     */
1676 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1677 >        ExecutorService e =
1678 >            new ThreadPoolExecutor(2, 2,
1679 >                                   LONG_DELAY_MS, MILLISECONDS,
1680 >                                   new ArrayBlockingQueue<Runnable>(10));
1681 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1682 >        l.add(new StringTask());
1683          try {
1684 <            ThreadFactory f = null;
509 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1684 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1685              shouldThrow();
1686 +        } catch (NullPointerException success) {
1687 +        } finally {
1688 +            joinPool(e);
1689          }
512        catch (NullPointerException successdn8){}  
1690      }
514    
1691  
1692      /**
1693 <     *   execute will throw RejectedExcutionException
518 <     *  ThreadPoolExecutor will throw one when more runnables are
519 <     *  executed then will fit in the Queue.
1693 >     * timed invokeAny(empty collection) throws IAE
1694       */
1695 <    public void testRejectedExecutionException() {
1696 <        ThreadPoolExecutor tpe = null;
1695 >    public void testTimedInvokeAny2() throws Exception {
1696 >        ExecutorService e =
1697 >            new ThreadPoolExecutor(2, 2,
1698 >                                   LONG_DELAY_MS, MILLISECONDS,
1699 >                                   new ArrayBlockingQueue<Runnable>(10));
1700          try {
1701 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1702 <        } catch(Exception e){}
1703 <        tpe.shutdown();
1704 <        try {
1705 <            tpe.execute(new NoOpRunnable());
1706 <            shouldThrow();
530 <        } catch(RejectedExecutionException success){}
531 <        
532 <        joinPool(tpe);
1701 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1702 >            shouldThrow();
1703 >        } catch (IllegalArgumentException success) {
1704 >        } finally {
1705 >            joinPool(e);
1706 >        }
1707      }
1708 <    
1708 >
1709      /**
1710 <     *   setCorePoolSize will throw IllegalArgumentException
537 <     *  when given a negative
1710 >     * timed invokeAny(c) throws NPE if c has null elements
1711       */
1712 <    public void testCorePoolSizeIllegalArgumentException() {
1713 <        ThreadPoolExecutor tpe = null;
1714 <        try {
1715 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1716 <        } catch(Exception e){}
1717 <        try {
1718 <            tpe.setCorePoolSize(-1);
1719 <            shouldThrow();
1720 <        } 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;
1712 >    public void testTimedInvokeAny3() throws Exception {
1713 >        final CountDownLatch latch = new CountDownLatch(1);
1714 >        final ExecutorService e =
1715 >            new ThreadPoolExecutor(2, 2,
1716 >                                   LONG_DELAY_MS, MILLISECONDS,
1717 >                                   new ArrayBlockingQueue<Runnable>(10));
1718 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1719 >        l.add(latchAwaitingStringTask(latch));
1720 >        l.add(null);
1721          try {
1722 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1723 <        } catch(Exception e){}
1722 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1723 >            shouldThrow();
1724 >        } catch (NullPointerException success) {
1725 >        } finally {
1726 >            latch.countDown();
1727 >            joinPool(e);
1728 >        }
1729 >    }
1730 >
1731 >    /**
1732 >     * timed invokeAny(c) throws ExecutionException if no task completes
1733 >     */
1734 >    public void testTimedInvokeAny4() throws Exception {
1735 >        ExecutorService e =
1736 >            new ThreadPoolExecutor(2, 2,
1737 >                                   LONG_DELAY_MS, MILLISECONDS,
1738 >                                   new ArrayBlockingQueue<Runnable>(10));
1739 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1740 >        l.add(new NPETask());
1741          try {
1742 <            tpe.setMaximumPoolSize(1);
1742 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1743              shouldThrow();
1744 <        } catch(IllegalArgumentException success){
1744 >        } catch (ExecutionException success) {
1745 >            assertTrue(success.getCause() instanceof NullPointerException);
1746          } finally {
1747 <            tpe.shutdown();
1747 >            joinPool(e);
1748          }
571        joinPool(tpe);
1749      }
1750 <    
1750 >
1751      /**
1752 <     *   setMaximumPoolSize will throw IllegalArgumentException
576 <     *  if given a negative number
1752 >     * timed invokeAny(c) returns result of some task
1753       */
1754 <    public void testMaximumPoolSizeIllegalArgumentException2() {
1755 <        ThreadPoolExecutor tpe = null;
1754 >    public void testTimedInvokeAny5() throws Exception {
1755 >        ExecutorService e =
1756 >            new ThreadPoolExecutor(2, 2,
1757 >                                   LONG_DELAY_MS, MILLISECONDS,
1758 >                                   new ArrayBlockingQueue<Runnable>(10));
1759 >        try {
1760 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1761 >            l.add(new StringTask());
1762 >            l.add(new StringTask());
1763 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1764 >            assertSame(TEST_STRING, result);
1765 >        } finally {
1766 >            joinPool(e);
1767 >        }
1768 >    }
1769 >
1770 >    /**
1771 >     * timed invokeAll(null) throws NPE
1772 >     */
1773 >    public void testTimedInvokeAll1() throws Exception {
1774 >        ExecutorService e =
1775 >            new ThreadPoolExecutor(2, 2,
1776 >                                   LONG_DELAY_MS, MILLISECONDS,
1777 >                                   new ArrayBlockingQueue<Runnable>(10));
1778 >        try {
1779 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1780 >            shouldThrow();
1781 >        } catch (NullPointerException success) {
1782 >        } finally {
1783 >            joinPool(e);
1784 >        }
1785 >    }
1786 >
1787 >    /**
1788 >     * timed invokeAll(,,null) throws NPE
1789 >     */
1790 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1791 >        ExecutorService e =
1792 >            new ThreadPoolExecutor(2, 2,
1793 >                                   LONG_DELAY_MS, MILLISECONDS,
1794 >                                   new ArrayBlockingQueue<Runnable>(10));
1795 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1796 >        l.add(new StringTask());
1797          try {
1798 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1799 <        } catch(Exception e){}
1798 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1799 >            shouldThrow();
1800 >        } catch (NullPointerException success) {
1801 >        } finally {
1802 >            joinPool(e);
1803 >        }
1804 >    }
1805 >
1806 >    /**
1807 >     * timed invokeAll(empty collection) returns empty collection
1808 >     */
1809 >    public void testTimedInvokeAll2() throws InterruptedException {
1810 >        ExecutorService e =
1811 >            new ThreadPoolExecutor(2, 2,
1812 >                                   LONG_DELAY_MS, MILLISECONDS,
1813 >                                   new ArrayBlockingQueue<Runnable>(10));
1814          try {
1815 <            tpe.setMaximumPoolSize(-1);
1815 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1816 >            assertTrue(r.isEmpty());
1817 >        } finally {
1818 >            joinPool(e);
1819 >        }
1820 >    }
1821 >
1822 >    /**
1823 >     * timed invokeAll(c) throws NPE if c has null elements
1824 >     */
1825 >    public void testTimedInvokeAll3() throws Exception {
1826 >        ExecutorService e =
1827 >            new ThreadPoolExecutor(2, 2,
1828 >                                   LONG_DELAY_MS, MILLISECONDS,
1829 >                                   new ArrayBlockingQueue<Runnable>(10));
1830 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1831 >        l.add(new StringTask());
1832 >        l.add(null);
1833 >        try {
1834 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1835              shouldThrow();
1836 <        } catch(IllegalArgumentException success){
1836 >        } catch (NullPointerException success) {
1837          } finally {
1838 <            tpe.shutdown();
1838 >            joinPool(e);
1839          }
590        joinPool(tpe);
1840      }
592    
1841  
1842      /**
1843 <     *   setKeepAliveTime will throw IllegalArgumentException
596 <     *  when given a negative value
1843 >     * get of element of invokeAll(c) throws exception on failed task
1844       */
1845 <    public void testKeepAliveTimeIllegalArgumentException() {
1846 <        ThreadPoolExecutor tpe = null;
1845 >    public void testTimedInvokeAll4() throws Exception {
1846 >        ExecutorService e =
1847 >            new ThreadPoolExecutor(2, 2,
1848 >                                   LONG_DELAY_MS, MILLISECONDS,
1849 >                                   new ArrayBlockingQueue<Runnable>(10));
1850 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1851 >        l.add(new NPETask());
1852 >        List<Future<String>> futures =
1853 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1854 >        assertEquals(1, futures.size());
1855          try {
1856 <            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);
1856 >            futures.get(0).get();
1857              shouldThrow();
1858 <        } catch(IllegalArgumentException success){
1858 >        } catch (ExecutionException success) {
1859 >            assertTrue(success.getCause() instanceof NullPointerException);
1860 >        } finally {
1861 >            joinPool(e);
1862 >        }
1863 >    }
1864 >
1865 >    /**
1866 >     * timed invokeAll(c) returns results of all completed tasks
1867 >     */
1868 >    public void testTimedInvokeAll5() throws Exception {
1869 >        ExecutorService e =
1870 >            new ThreadPoolExecutor(2, 2,
1871 >                                   LONG_DELAY_MS, MILLISECONDS,
1872 >                                   new ArrayBlockingQueue<Runnable>(10));
1873 >        try {
1874 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1875 >            l.add(new StringTask());
1876 >            l.add(new StringTask());
1877 >            List<Future<String>> futures =
1878 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1879 >            assertEquals(2, futures.size());
1880 >            for (Future<String> future : futures)
1881 >                assertSame(TEST_STRING, future.get());
1882 >        } finally {
1883 >            joinPool(e);
1884 >        }
1885 >    }
1886 >
1887 >    /**
1888 >     * timed invokeAll(c) cancels tasks not completed by timeout
1889 >     */
1890 >    public void testTimedInvokeAll6() throws Exception {
1891 >        ExecutorService e =
1892 >            new ThreadPoolExecutor(2, 2,
1893 >                                   LONG_DELAY_MS, MILLISECONDS,
1894 >                                   new ArrayBlockingQueue<Runnable>(10));
1895 >        try {
1896 >            for (long timeout = timeoutMillis();;) {
1897 >                List<Callable<String>> tasks = new ArrayList<>();
1898 >                tasks.add(new StringTask());
1899 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1900 >                tasks.add(new StringTask());
1901 >                long startTime = System.nanoTime();
1902 >                List<Future<String>> futures =
1903 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1904 >                assertEquals(tasks.size(), futures.size());
1905 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1906 >                for (Future future : futures)
1907 >                    assertTrue(future.isDone());
1908 >                assertTrue(futures.get(1).isCancelled());
1909 >                try {
1910 >                    assertEquals(TEST_STRING, futures.get(0).get());
1911 >                    assertEquals(TEST_STRING, futures.get(2).get());
1912 >                    break;
1913 >                } catch (CancellationException retryWithLongerTimeout) {
1914 >                    timeout *= 2;
1915 >                    if (timeout >= LONG_DELAY_MS / 2)
1916 >                        fail("expected exactly one task to be cancelled");
1917 >                }
1918 >            }
1919 >        } finally {
1920 >            joinPool(e);
1921 >        }
1922 >    }
1923 >
1924 >    /**
1925 >     * Execution continues if there is at least one thread even if
1926 >     * thread factory fails to create more
1927 >     */
1928 >    public void testFailingThreadFactory() throws InterruptedException {
1929 >        final ExecutorService e =
1930 >            new ThreadPoolExecutor(100, 100,
1931 >                                   LONG_DELAY_MS, MILLISECONDS,
1932 >                                   new LinkedBlockingQueue<Runnable>(),
1933 >                                   new FailingThreadFactory());
1934 >        try {
1935 >            final int TASKS = 100;
1936 >            final CountDownLatch done = new CountDownLatch(TASKS);
1937 >            for (int k = 0; k < TASKS; ++k)
1938 >                e.execute(new CheckedRunnable() {
1939 >                    public void realRun() {
1940 >                        done.countDown();
1941 >                    }});
1942 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1943          } finally {
1944 <            tpe.shutdown();
1944 >            joinPool(e);
1945          }
611        joinPool(tpe);
1946      }
1947 <  
1947 >
1948 >    /**
1949 >     * allowsCoreThreadTimeOut is by default false.
1950 >     */
1951 >    public void testAllowsCoreThreadTimeOut() {
1952 >        final ThreadPoolExecutor p =
1953 >            new ThreadPoolExecutor(2, 2,
1954 >                                   1000, MILLISECONDS,
1955 >                                   new ArrayBlockingQueue<Runnable>(10));
1956 >        assertFalse(p.allowsCoreThreadTimeOut());
1957 >        joinPool(p);
1958 >    }
1959 >
1960 >    /**
1961 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1962 >     */
1963 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1964 >        long coreThreadTimeOut = SHORT_DELAY_MS;
1965 >        final ThreadPoolExecutor p =
1966 >            new ThreadPoolExecutor(2, 10,
1967 >                                   coreThreadTimeOut, MILLISECONDS,
1968 >                                   new ArrayBlockingQueue<Runnable>(10));
1969 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1970 >        try {
1971 >            p.allowCoreThreadTimeOut(true);
1972 >            p.execute(new CheckedRunnable() {
1973 >                public void realRun() {
1974 >                    threadStarted.countDown();
1975 >                    assertEquals(1, p.getPoolSize());
1976 >                }});
1977 >            await(threadStarted);
1978 >            delay(coreThreadTimeOut);
1979 >            long startTime = System.nanoTime();
1980 >            while (p.getPoolSize() > 0
1981 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1982 >                Thread.yield();
1983 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1984 >            assertEquals(0, p.getPoolSize());
1985 >        } finally {
1986 >            joinPool(p);
1987 >        }
1988 >    }
1989 >
1990 >    /**
1991 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1992 >     */
1993 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1994 >        long coreThreadTimeOut = SHORT_DELAY_MS;
1995 >        final ThreadPoolExecutor p =
1996 >            new ThreadPoolExecutor(2, 10,
1997 >                                   coreThreadTimeOut, MILLISECONDS,
1998 >                                   new ArrayBlockingQueue<Runnable>(10));
1999 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2000 >        try {
2001 >            p.allowCoreThreadTimeOut(false);
2002 >            p.execute(new CheckedRunnable() {
2003 >                public void realRun() throws InterruptedException {
2004 >                    threadStarted.countDown();
2005 >                    assertTrue(p.getPoolSize() >= 1);
2006 >                }});
2007 >            delay(2 * coreThreadTimeOut);
2008 >            assertTrue(p.getPoolSize() >= 1);
2009 >        } finally {
2010 >            joinPool(p);
2011 >        }
2012 >    }
2013 >
2014 >    /**
2015 >     * execute allows the same task to be submitted multiple times, even
2016 >     * if rejected
2017 >     */
2018 >    public void testRejectedRecycledTask() throws InterruptedException {
2019 >        final int nTasks = 1000;
2020 >        final CountDownLatch done = new CountDownLatch(nTasks);
2021 >        final Runnable recycledTask = new Runnable() {
2022 >            public void run() {
2023 >                done.countDown();
2024 >            }};
2025 >        final ThreadPoolExecutor p =
2026 >            new ThreadPoolExecutor(1, 30,
2027 >                                   60, SECONDS,
2028 >                                   new ArrayBlockingQueue(30));
2029 >        try {
2030 >            for (int i = 0; i < nTasks; ++i) {
2031 >                for (;;) {
2032 >                    try {
2033 >                        p.execute(recycledTask);
2034 >                        break;
2035 >                    }
2036 >                    catch (RejectedExecutionException ignore) {}
2037 >                }
2038 >            }
2039 >            // enough time to run all tasks
2040 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2041 >        } finally {
2042 >            joinPool(p);
2043 >        }
2044 >    }
2045 >
2046   }

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