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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.11 by dl, Thu Dec 4 20:54:46 2003 UTC vs.
Revision 1.96 by jsr166, Sun Oct 4 06:39:13 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
44 >
45      static class ExtendedTPE extends ThreadPoolExecutor {
46 <        volatile boolean beforeCalled = false;
47 <        volatile boolean afterCalled = false;
48 <        volatile boolean terminatedCalled = false;
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50          public ExtendedTPE() {
51 <            super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>());
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52          }
53          protected void beforeExecute(Thread t, Runnable r) {
54 <            beforeCalled = true;
54 >            beforeCalled.countDown();
55          }
56          protected void afterExecute(Runnable r, Throwable t) {
57 <            afterCalled = true;
57 >            afterCalled.countDown();
58          }
59          protected void terminated() {
60 <            terminatedCalled = true;
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78 >            return new Thread(r);
79          }
80      }
81  
82      /**
83 <     *  execute successfully executes a runnable
83 >     * execute successfully executes a runnable
84       */
85 <    public void testExecute() {
86 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
87 <        try {
88 <            p1.execute(new Runnable() {
89 <                    public void run() {
90 <                        try {
91 <                            Thread.sleep(SHORT_DELAY_MS);
92 <                        } catch(InterruptedException e){
93 <                            threadUnexpectedException();
94 <                        }
95 <                    }
96 <                });
53 <            Thread.sleep(SMALL_DELAY_MS);
54 <        } catch(InterruptedException e){
55 <            unexpectedException();
56 <        }
57 <        joinPool(p1);
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        try (PoolCleaner cleaner = cleaner(p)) {
91 >            final CountDownLatch done = new CountDownLatch(1);
92 >            final Runnable task = new CheckedRunnable() {
93 >                public void realRun() { done.countDown(); }};
94 >            p.execute(task);
95 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
96 >        }
97      }
98  
99      /**
100 <     *  getActiveCount increases but doesn't overestimate, when a
101 <     *  thread becomes active
100 >     * getActiveCount increases but doesn't overestimate, when a
101 >     * thread becomes active
102       */
103 <    public void testGetActiveCount() {
104 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
105 <        assertEquals(0, p2.getActiveCount());
106 <        p2.execute(new MediumRunnable());
107 <        try {
108 <            Thread.sleep(SHORT_DELAY_MS);
109 <        } catch(Exception e){
110 <            unexpectedException();
103 >    public void testGetActiveCount() throws InterruptedException {
104 >        final ThreadPoolExecutor p =
105 >            new ThreadPoolExecutor(2, 2,
106 >                                   LONG_DELAY_MS, MILLISECONDS,
107 >                                   new ArrayBlockingQueue<Runnable>(10));
108 >        try (PoolCleaner cleaner = cleaner(p)) {
109 >            final CountDownLatch threadStarted = new CountDownLatch(1);
110 >            final CountDownLatch done = new CountDownLatch(1);
111 >            assertEquals(0, p.getActiveCount());
112 >            p.execute(new CheckedRunnable() {
113 >                public void realRun() throws InterruptedException {
114 >                    threadStarted.countDown();
115 >                    assertEquals(1, p.getActiveCount());
116 >                    done.await();
117 >                }});
118 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
119 >            assertEquals(1, p.getActiveCount());
120 >            done.countDown();
121          }
73        assertEquals(1, p2.getActiveCount());
74        joinPool(p2);
122      }
123  
124      /**
125 <     *  prestartCoreThread starts a thread if under corePoolSize, else doesn't
125 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
126       */
127      public void testPrestartCoreThread() {
128 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
129 <        assertEquals(0, p2.getPoolSize());
130 <        assertTrue(p2.prestartCoreThread());
131 <        assertEquals(1, p2.getPoolSize());
132 <        assertTrue(p2.prestartCoreThread());
133 <        assertEquals(2, p2.getPoolSize());
134 <        assertFalse(p2.prestartCoreThread());
135 <        assertEquals(2, p2.getPoolSize());
136 <        joinPool(p2);
128 >        final ThreadPoolExecutor p =
129 >            new ThreadPoolExecutor(2, 6,
130 >                                   LONG_DELAY_MS, MILLISECONDS,
131 >                                   new ArrayBlockingQueue<Runnable>(10));
132 >        try (PoolCleaner cleaner = cleaner(p)) {
133 >            assertEquals(0, p.getPoolSize());
134 >            assertTrue(p.prestartCoreThread());
135 >            assertEquals(1, p.getPoolSize());
136 >            assertTrue(p.prestartCoreThread());
137 >            assertEquals(2, p.getPoolSize());
138 >            assertFalse(p.prestartCoreThread());
139 >            assertEquals(2, p.getPoolSize());
140 >            p.setCorePoolSize(4);
141 >            assertTrue(p.prestartCoreThread());
142 >            assertEquals(3, p.getPoolSize());
143 >            assertTrue(p.prestartCoreThread());
144 >            assertEquals(4, p.getPoolSize());
145 >            assertFalse(p.prestartCoreThread());
146 >            assertEquals(4, p.getPoolSize());
147 >        }
148      }
149  
150      /**
151 <     *  prestartAllCoreThreads starts all corePoolSize threads
151 >     * prestartAllCoreThreads starts all corePoolSize threads
152       */
153      public void testPrestartAllCoreThreads() {
154 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
155 <        assertEquals(0, p2.getPoolSize());
156 <        p2.prestartAllCoreThreads();
157 <        assertEquals(2, p2.getPoolSize());
158 <        p2.prestartAllCoreThreads();
159 <        assertEquals(2, p2.getPoolSize());
160 <        joinPool(p2);
161 <    }
162 <    
163 <    /**
164 <     *   getCompletedTaskCount increases, but doesn't overestimate,
165 <     *   when tasks complete
166 <     */
167 <    public void testGetCompletedTaskCount() {
168 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
169 <        assertEquals(0, p2.getCompletedTaskCount());
170 <        p2.execute(new ShortRunnable());
171 <        try {
172 <            Thread.sleep(SMALL_DELAY_MS);
173 <        } catch(Exception e){
174 <            unexpectedException();
175 <        }
176 <        assertEquals(1, p2.getCompletedTaskCount());
177 <        p2.shutdown();
178 <        joinPool(p2);
154 >        final ThreadPoolExecutor p =
155 >            new ThreadPoolExecutor(2, 6,
156 >                                   LONG_DELAY_MS, MILLISECONDS,
157 >                                   new ArrayBlockingQueue<Runnable>(10));
158 >        try (PoolCleaner cleaner = cleaner(p)) {
159 >            assertEquals(0, p.getPoolSize());
160 >            p.prestartAllCoreThreads();
161 >            assertEquals(2, p.getPoolSize());
162 >            p.prestartAllCoreThreads();
163 >            assertEquals(2, p.getPoolSize());
164 >            p.setCorePoolSize(4);
165 >            p.prestartAllCoreThreads();
166 >            assertEquals(4, p.getPoolSize());
167 >            p.prestartAllCoreThreads();
168 >            assertEquals(4, p.getPoolSize());
169 >        }
170 >    }
171 >
172 >    /**
173 >     * getCompletedTaskCount increases, but doesn't overestimate,
174 >     * when tasks complete
175 >     */
176 >    public void testGetCompletedTaskCount() throws InterruptedException {
177 >        final ThreadPoolExecutor p =
178 >            new ThreadPoolExecutor(2, 2,
179 >                                   LONG_DELAY_MS, MILLISECONDS,
180 >                                   new ArrayBlockingQueue<Runnable>(10));
181 >        try (PoolCleaner cleaner = cleaner(p)) {
182 >            final CountDownLatch threadStarted = new CountDownLatch(1);
183 >            final CountDownLatch threadProceed = new CountDownLatch(1);
184 >            final CountDownLatch threadDone = new CountDownLatch(1);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            p.execute(new CheckedRunnable() {
187 >                public void realRun() throws InterruptedException {
188 >                    threadStarted.countDown();
189 >                    assertEquals(0, p.getCompletedTaskCount());
190 >                    threadProceed.await();
191 >                    threadDone.countDown();
192 >                }});
193 >            await(threadStarted);
194 >            assertEquals(0, p.getCompletedTaskCount());
195 >            threadProceed.countDown();
196 >            threadDone.await();
197 >            long startTime = System.nanoTime();
198 >            while (p.getCompletedTaskCount() != 1) {
199 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200 >                    fail("timed out");
201 >                Thread.yield();
202 >            }
203 >        }
204      }
205 <    
205 >
206      /**
207 <     *   getCorePoolSize returns size given in constructor if not otherwise set
207 >     * getCorePoolSize returns size given in constructor if not otherwise set
208       */
209      public void testGetCorePoolSize() {
210 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
211 <        assertEquals(1, p1.getCorePoolSize());
212 <        joinPool(p1);
210 >        final ThreadPoolExecutor p =
211 >            new ThreadPoolExecutor(1, 1,
212 >                                   LONG_DELAY_MS, MILLISECONDS,
213 >                                   new ArrayBlockingQueue<Runnable>(10));
214 >        try (PoolCleaner cleaner = cleaner(p)) {
215 >            assertEquals(1, p.getCorePoolSize());
216 >        }
217      }
218 <    
218 >
219      /**
220 <     *   getKeepAliveTime returns value given in constructor if not otherwise set
220 >     * getKeepAliveTime returns value given in constructor if not otherwise set
221       */
222      public void testGetKeepAliveTime() {
223 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
224 <        assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
225 <        joinPool(p2);
223 >        final ThreadPoolExecutor p =
224 >            new ThreadPoolExecutor(2, 2,
225 >                                   1000, MILLISECONDS,
226 >                                   new ArrayBlockingQueue<Runnable>(10));
227 >        try (PoolCleaner cleaner = cleaner(p)) {
228 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
229 >        }
230      }
231  
232 <
142 <    /**
232 >    /**
233       * getThreadFactory returns factory in constructor if not set
234       */
235      public void testGetThreadFactory() {
236 <        ThreadFactory tf = new SimpleThreadFactory();
237 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
238 <        assertSame(tf, p.getThreadFactory());
239 <        p.shutdown();
240 <        joinPool(p);
236 >        ThreadFactory threadFactory = new SimpleThreadFactory();
237 >        final ThreadPoolExecutor p =
238 >            new ThreadPoolExecutor(1, 2,
239 >                                   LONG_DELAY_MS, MILLISECONDS,
240 >                                   new ArrayBlockingQueue<Runnable>(10),
241 >                                   threadFactory,
242 >                                   new NoOpREHandler());
243 >        try (PoolCleaner cleaner = cleaner(p)) {
244 >            assertSame(threadFactory, p.getThreadFactory());
245 >        }
246      }
247  
248 <    /**
248 >    /**
249       * setThreadFactory sets the thread factory returned by getThreadFactory
250       */
251      public void testSetThreadFactory() {
252 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
253 <        ThreadFactory tf = new SimpleThreadFactory();
254 <        p.setThreadFactory(tf);
255 <        assertSame(tf, p.getThreadFactory());
256 <        p.shutdown();
257 <        joinPool(p);
252 >        final ThreadPoolExecutor p =
253 >            new ThreadPoolExecutor(1, 2,
254 >                                   LONG_DELAY_MS, MILLISECONDS,
255 >                                   new ArrayBlockingQueue<Runnable>(10));
256 >        try (PoolCleaner cleaner = cleaner(p)) {
257 >            ThreadFactory threadFactory = new SimpleThreadFactory();
258 >            p.setThreadFactory(threadFactory);
259 >            assertSame(threadFactory, p.getThreadFactory());
260 >        }
261      }
262  
263 <
166 <    /**
263 >    /**
264       * setThreadFactory(null) throws NPE
265       */
266      public void testSetThreadFactoryNull() {
267 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
268 <        try {
269 <            p.setThreadFactory(null);
270 <            shouldThrow();
271 <        } catch (NullPointerException success) {
272 <        } finally {
273 <            joinPool(p);
267 >        final ThreadPoolExecutor p =
268 >            new ThreadPoolExecutor(1, 2,
269 >                                   LONG_DELAY_MS, MILLISECONDS,
270 >                                   new ArrayBlockingQueue<Runnable>(10));
271 >        try (PoolCleaner cleaner = cleaner(p)) {
272 >            try {
273 >                p.setThreadFactory(null);
274 >                shouldThrow();
275 >            } catch (NullPointerException success) {}
276          }
277      }
278  
279 <    /**
279 >    /**
280       * getRejectedExecutionHandler returns handler in constructor if not set
281       */
282      public void testGetRejectedExecutionHandler() {
283 <        RejectedExecutionHandler h = new NoOpREHandler();
284 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
285 <        assertSame(h, p.getRejectedExecutionHandler());
286 <        p.shutdown();
287 <        joinPool(p);
283 >        final RejectedExecutionHandler handler = new NoOpREHandler();
284 >        final ThreadPoolExecutor p =
285 >            new ThreadPoolExecutor(1, 2,
286 >                                   LONG_DELAY_MS, MILLISECONDS,
287 >                                   new ArrayBlockingQueue<Runnable>(10),
288 >                                   handler);
289 >        try (PoolCleaner cleaner = cleaner(p)) {
290 >            assertSame(handler, p.getRejectedExecutionHandler());
291 >        }
292      }
293  
294 <    /**
294 >    /**
295       * setRejectedExecutionHandler sets the handler returned by
296       * getRejectedExecutionHandler
297       */
298      public void testSetRejectedExecutionHandler() {
299 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300 <        RejectedExecutionHandler h = new NoOpREHandler();
301 <        p.setRejectedExecutionHandler(h);
302 <        assertSame(h, p.getRejectedExecutionHandler());
303 <        p.shutdown();
304 <        joinPool(p);
299 >        final ThreadPoolExecutor p =
300 >            new ThreadPoolExecutor(1, 2,
301 >                                   LONG_DELAY_MS, MILLISECONDS,
302 >                                   new ArrayBlockingQueue<Runnable>(10));
303 >        try (PoolCleaner cleaner = cleaner(p)) {
304 >            RejectedExecutionHandler handler = new NoOpREHandler();
305 >            p.setRejectedExecutionHandler(handler);
306 >            assertSame(handler, p.getRejectedExecutionHandler());
307 >        }
308      }
309  
310 <
205 <    /**
310 >    /**
311       * setRejectedExecutionHandler(null) throws NPE
312       */
313      public void testSetRejectedExecutionHandlerNull() {
314 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
315 <        try {
316 <            p.setRejectedExecutionHandler(null);
317 <            shouldThrow();
318 <        } catch (NullPointerException success) {
319 <        } finally {
320 <            joinPool(p);
314 >        final ThreadPoolExecutor p =
315 >            new ThreadPoolExecutor(1, 2,
316 >                                   LONG_DELAY_MS, MILLISECONDS,
317 >                                   new ArrayBlockingQueue<Runnable>(10));
318 >        try (PoolCleaner cleaner = cleaner(p)) {
319 >            try {
320 >                p.setRejectedExecutionHandler(null);
321 >                shouldThrow();
322 >            } catch (NullPointerException success) {}
323          }
324      }
325  
219    
220    /**
221     *   getLargestPoolSize increases, but doesn't overestimate, when
222     *   multiple threads active
223     */
224    public void testGetLargestPoolSize() {
225        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
226        try {
227            assertEquals(0, p2.getLargestPoolSize());
228            p2.execute(new MediumRunnable());
229            p2.execute(new MediumRunnable());
230            Thread.sleep(SHORT_DELAY_MS);
231            assertEquals(2, p2.getLargestPoolSize());
232        } catch(Exception e){
233            unexpectedException();
234        }
235        joinPool(p2);
236    }
237    
238    /**
239     *   getMaximumPoolSize returns value given in constructor if not
240     *   otherwise set
241     */
242    public void testGetMaximumPoolSize() {
243        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
244        assertEquals(2, p2.getMaximumPoolSize());
245        joinPool(p2);
246    }
247    
248    /**
249     *   getPoolSize increases, but doesn't overestimate, when threads
250     *   become active
251     */
252    public void testGetPoolSize() {
253        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
254        assertEquals(0, p1.getPoolSize());
255        p1.execute(new MediumRunnable());
256        assertEquals(1, p1.getPoolSize());
257        joinPool(p1);
258    }
259    
260    /**
261     *  getTaskCount increases, but doesn't overestimate, when tasks submitted
262     */
263    public void testGetTaskCount() {
264        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
265        try {
266            assertEquals(0, p1.getTaskCount());
267            p1.execute(new MediumRunnable());
268            Thread.sleep(SHORT_DELAY_MS);
269            assertEquals(1, p1.getTaskCount());
270        } catch(Exception e){
271            unexpectedException();
272        }
273        joinPool(p1);
274    }
275    
326      /**
327 <     *   isShutDown is false before shutdown, true after
328 <     */
329 <    public void testIsShutdown() {
330 <        
331 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332 <        assertFalse(p1.isShutdown());
333 <        p1.shutdown();
334 <        assertTrue(p1.isShutdown());
335 <        joinPool(p1);
327 >     * getLargestPoolSize increases, but doesn't overestimate, when
328 >     * multiple threads active
329 >     */
330 >    public void testGetLargestPoolSize() throws InterruptedException {
331 >        final int THREADS = 3;
332 >        final ThreadPoolExecutor p =
333 >            new ThreadPoolExecutor(THREADS, THREADS,
334 >                                   LONG_DELAY_MS, MILLISECONDS,
335 >                                   new ArrayBlockingQueue<Runnable>(10));
336 >        try (PoolCleaner cleaner = cleaner(p)) {
337 >            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
338 >            final CountDownLatch done = new CountDownLatch(1);
339 >            assertEquals(0, p.getLargestPoolSize());
340 >            for (int i = 0; i < THREADS; i++)
341 >                p.execute(new CheckedRunnable() {
342 >                    public void realRun() throws InterruptedException {
343 >                        threadsStarted.countDown();
344 >                        done.await();
345 >                        assertEquals(THREADS, p.getLargestPoolSize());
346 >                    }});
347 >            assertTrue(threadsStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
348 >            assertEquals(THREADS, p.getLargestPoolSize());
349 >            done.countDown();   // release pool
350 >        }
351 >        assertEquals(THREADS, p.getLargestPoolSize());
352      }
353  
288        
354      /**
355 <     *  isTerminated is false before termination, true after
355 >     * getMaximumPoolSize returns value given in constructor if not
356 >     * otherwise set
357       */
358 <    public void testIsTerminated() {
359 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
360 <        assertFalse(p1.isTerminated());
361 <        try {
362 <            p1.execute(new MediumRunnable());
363 <        } finally {
364 <            p1.shutdown();
358 >    public void testGetMaximumPoolSize() {
359 >        final ThreadPoolExecutor p =
360 >            new ThreadPoolExecutor(2, 3,
361 >                                   LONG_DELAY_MS, MILLISECONDS,
362 >                                   new ArrayBlockingQueue<Runnable>(10));
363 >        try (PoolCleaner cleaner = cleaner(p)) {
364 >            assertEquals(3, p.getMaximumPoolSize());
365 >            p.setMaximumPoolSize(5);
366 >            assertEquals(5, p.getMaximumPoolSize());
367 >            p.setMaximumPoolSize(4);
368 >            assertEquals(4, p.getMaximumPoolSize());
369 >        }
370 >    }
371 >
372 >    /**
373 >     * getPoolSize increases, but doesn't overestimate, when threads
374 >     * become active
375 >     */
376 >    public void testGetPoolSize() throws InterruptedException {
377 >        final ThreadPoolExecutor p =
378 >            new ThreadPoolExecutor(1, 1,
379 >                                   LONG_DELAY_MS, MILLISECONDS,
380 >                                   new ArrayBlockingQueue<Runnable>(10));
381 >        try (PoolCleaner cleaner = cleaner(p)) {
382 >            final CountDownLatch threadStarted = new CountDownLatch(1);
383 >            final CountDownLatch done = new CountDownLatch(1);
384 >            assertEquals(0, p.getPoolSize());
385 >            p.execute(new CheckedRunnable() {
386 >                public void realRun() throws InterruptedException {
387 >                    threadStarted.countDown();
388 >                    assertEquals(1, p.getPoolSize());
389 >                    done.await();
390 >                }});
391 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
392 >            assertEquals(1, p.getPoolSize());
393 >            done.countDown();   // release pool
394 >        }
395 >    }
396 >
397 >    /**
398 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
399 >     */
400 >    public void testGetTaskCount() throws InterruptedException {
401 >        final ThreadPoolExecutor p =
402 >            new ThreadPoolExecutor(1, 1,
403 >                                   LONG_DELAY_MS, MILLISECONDS,
404 >                                   new ArrayBlockingQueue<Runnable>(10));
405 >        try (PoolCleaner cleaner = cleaner(p)) {
406 >            final CountDownLatch threadStarted = new CountDownLatch(1);
407 >            final CountDownLatch done = new CountDownLatch(1);
408 >            assertEquals(0, p.getTaskCount());
409 >            p.execute(new CheckedRunnable() {
410 >                public void realRun() throws InterruptedException {
411 >                    threadStarted.countDown();
412 >                    assertEquals(1, p.getTaskCount());
413 >                    done.await();
414 >                }});
415 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
416 >            assertEquals(1, p.getTaskCount());
417 >            done.countDown();
418          }
300        try {
301            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
302            assertTrue(p1.isTerminated());
303        } catch(Exception e){
304            unexpectedException();
305        }      
419      }
420  
421      /**
422 <     *  isTerminating is not true when running or when terminated
422 >     * isShutdown is false before shutdown, true after
423       */
424 <    public void testIsTerminating() {
425 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
426 <        assertFalse(p1.isTerminating());
427 <        try {
428 <            p1.execute(new SmallRunnable());
429 <            assertFalse(p1.isTerminating());
430 <        } finally {
431 <            p1.shutdown();
424 >    public void testIsShutdown() {
425 >        final ThreadPoolExecutor p =
426 >            new ThreadPoolExecutor(1, 1,
427 >                                   LONG_DELAY_MS, MILLISECONDS,
428 >                                   new ArrayBlockingQueue<Runnable>(10));
429 >        try (PoolCleaner cleaner = cleaner(p)) {
430 >            assertFalse(p.isShutdown());
431 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
432 >            assertTrue(p.isShutdown());
433 >        }
434 >    }
435 >
436 >    /**
437 >     * awaitTermination on a non-shutdown pool times out
438 >     */
439 >    public void testAwaitTermination_timesOut() throws InterruptedException {
440 >        final ThreadPoolExecutor p =
441 >            new ThreadPoolExecutor(1, 1,
442 >                                   LONG_DELAY_MS, MILLISECONDS,
443 >                                   new ArrayBlockingQueue<Runnable>(10));
444 >        try (PoolCleaner cleaner = cleaner(p)) {
445 >            assertFalse(p.isTerminated());
446 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
447 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
448 >            assertFalse(p.awaitTermination(-1L, NANOSECONDS));
449 >            assertFalse(p.awaitTermination(-1L, MILLISECONDS));
450 >            assertFalse(p.awaitTermination(0L, NANOSECONDS));
451 >            assertFalse(p.awaitTermination(0L, MILLISECONDS));
452 >            long timeoutNanos = 999999L;
453 >            long startTime = System.nanoTime();
454 >            assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
455 >            assertTrue(System.nanoTime() - startTime >= timeoutNanos);
456 >            assertFalse(p.isTerminated());
457 >            startTime = System.nanoTime();
458 >            long timeoutMillis = timeoutMillis();
459 >            assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
460 >            assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
461 >            assertFalse(p.isTerminated());
462 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
463 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
464 >            assertTrue(p.isTerminated());
465 >        }
466 >    }
467 >
468 >    /**
469 >     * isTerminated is false before termination, true after
470 >     */
471 >    public void testIsTerminated() throws InterruptedException {
472 >        final ThreadPoolExecutor p =
473 >            new ThreadPoolExecutor(1, 1,
474 >                                   LONG_DELAY_MS, MILLISECONDS,
475 >                                   new ArrayBlockingQueue<Runnable>(10));
476 >        try (PoolCleaner cleaner = cleaner(p)) {
477 >            final CountDownLatch threadStarted = new CountDownLatch(1);
478 >            final CountDownLatch done = new CountDownLatch(1);
479 >            assertFalse(p.isTerminating());
480 >            p.execute(new CheckedRunnable() {
481 >                public void realRun() throws InterruptedException {
482 >                    assertFalse(p.isTerminating());
483 >                    threadStarted.countDown();
484 >                    done.await();
485 >                }});
486 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
487 >            assertFalse(p.isTerminating());
488 >            done.countDown();
489 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
490 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
491 >            assertTrue(p.isTerminated());
492 >            assertFalse(p.isTerminating());
493 >        }
494 >    }
495 >
496 >    /**
497 >     * isTerminating is not true when running or when terminated
498 >     */
499 >    public void testIsTerminating() throws InterruptedException {
500 >        final ThreadPoolExecutor p =
501 >            new ThreadPoolExecutor(1, 1,
502 >                                   LONG_DELAY_MS, MILLISECONDS,
503 >                                   new ArrayBlockingQueue<Runnable>(10));
504 >        try (PoolCleaner cleaner = cleaner(p)) {
505 >            final CountDownLatch threadStarted = new CountDownLatch(1);
506 >            final CountDownLatch done = new CountDownLatch(1);
507 >            assertFalse(p.isTerminating());
508 >            p.execute(new CheckedRunnable() {
509 >                public void realRun() throws InterruptedException {
510 >                    assertFalse(p.isTerminating());
511 >                    threadStarted.countDown();
512 >                    done.await();
513 >                }});
514 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
515 >            assertFalse(p.isTerminating());
516 >            done.countDown();
517 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
518 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
519 >            assertTrue(p.isTerminated());
520 >            assertFalse(p.isTerminating());
521          }
320        try {
321            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
322            assertTrue(p1.isTerminated());
323            assertFalse(p1.isTerminating());
324        } catch(Exception e){
325            unexpectedException();
326        }      
522      }
523  
524      /**
525       * getQueue returns the work queue, which contains queued tasks
526       */
527 <    public void testGetQueue() {
528 <        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
530 <        FutureTask[] tasks = new FutureTask[5];
531 <        for(int i = 0; i < 5; i++){
532 <            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
533 <            p1.execute(tasks[i]);
534 <        }
535 <        try {
536 <            Thread.sleep(SHORT_DELAY_MS);
537 <            BlockingQueue<Runnable> wq = p1.getQueue();
538 <            assertSame(q, wq);
539 <            assertFalse(wq.contains(tasks[0]));
540 <            assertTrue(wq.contains(tasks[4]));
541 <            p1.shutdownNow();
542 <        } catch(Exception e) {
543 <            unexpectedException();
544 <        } finally {
545 <            joinPool(p1);
527 >    public void testGetQueue() throws InterruptedException {
528 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
529 >        final ThreadPoolExecutor p =
530 >            new ThreadPoolExecutor(1, 1,
531 >                                   LONG_DELAY_MS, MILLISECONDS,
532 >                                   q);
533 >        try (PoolCleaner cleaner = cleaner(p)) {
534 >            final CountDownLatch threadStarted = new CountDownLatch(1);
535 >            final CountDownLatch done = new CountDownLatch(1);
536 >            FutureTask[] tasks = new FutureTask[5];
537 >            for (int i = 0; i < tasks.length; i++) {
538 >                Callable task = new CheckedCallable<Boolean>() {
539 >                    public Boolean realCall() throws InterruptedException {
540 >                        threadStarted.countDown();
541 >                        assertSame(q, p.getQueue());
542 >                        done.await();
543 >                        return Boolean.TRUE;
544 >                    }};
545 >                tasks[i] = new FutureTask(task);
546 >                p.execute(tasks[i]);
547 >            }
548 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
549 >            assertSame(q, p.getQueue());
550 >            assertFalse(q.contains(tasks[0]));
551 >            assertTrue(q.contains(tasks[tasks.length - 1]));
552 >            assertEquals(tasks.length - 1, q.size());
553 >            done.countDown();
554          }
555      }
556  
557      /**
558       * remove(task) removes queued task, and fails to remove active task
559       */
560 <    public void testRemove() {
560 >    public void testRemove() throws InterruptedException {
561          BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
562 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
563 <        FutureTask[] tasks = new FutureTask[5];
564 <        for(int i = 0; i < 5; i++){
565 <            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
566 <            p1.execute(tasks[i]);
567 <        }
568 <        try {
569 <            Thread.sleep(SHORT_DELAY_MS);
570 <            assertFalse(p1.remove(tasks[0]));
562 >        final ThreadPoolExecutor p =
563 >            new ThreadPoolExecutor(1, 1,
564 >                                   LONG_DELAY_MS, MILLISECONDS,
565 >                                   q);
566 >        try (PoolCleaner cleaner = cleaner(p)) {
567 >            Runnable[] tasks = new Runnable[6];
568 >            final CountDownLatch threadStarted = new CountDownLatch(1);
569 >            final CountDownLatch done = new CountDownLatch(1);
570 >            for (int i = 0; i < tasks.length; i++) {
571 >                tasks[i] = new CheckedRunnable() {
572 >                    public void realRun() throws InterruptedException {
573 >                        threadStarted.countDown();
574 >                        done.await();
575 >                    }};
576 >                p.execute(tasks[i]);
577 >            }
578 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
579 >            assertFalse(p.remove(tasks[0]));
580              assertTrue(q.contains(tasks[4]));
581              assertTrue(q.contains(tasks[3]));
582 <            assertTrue(p1.remove(tasks[4]));
583 <            assertFalse(p1.remove(tasks[4]));
582 >            assertTrue(p.remove(tasks[4]));
583 >            assertFalse(p.remove(tasks[4]));
584              assertFalse(q.contains(tasks[4]));
585              assertTrue(q.contains(tasks[3]));
586 <            assertTrue(p1.remove(tasks[3]));
586 >            assertTrue(p.remove(tasks[3]));
587              assertFalse(q.contains(tasks[3]));
588 <            p1.shutdownNow();
377 <        } catch(Exception e) {
378 <            unexpectedException();
379 <        } finally {
380 <            joinPool(p1);
588 >            done.countDown();
589          }
590      }
591  
592      /**
593 <     *   purge removes cancelled tasks from the queue
593 >     * purge removes cancelled tasks from the queue
594       */
595 <    public void testPurge() {
596 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
597 <        FutureTask[] tasks = new FutureTask[5];
598 <        for(int i = 0; i < 5; i++){
599 <            tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
600 <            p1.execute(tasks[i]);
595 >    public void testPurge() throws InterruptedException {
596 >        final CountDownLatch threadStarted = new CountDownLatch(1);
597 >        final CountDownLatch done = new CountDownLatch(1);
598 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
599 >        final ThreadPoolExecutor p =
600 >            new ThreadPoolExecutor(1, 1,
601 >                                   LONG_DELAY_MS, MILLISECONDS,
602 >                                   q);
603 >        try (PoolCleaner cleaner = cleaner(p)) {
604 >            FutureTask[] tasks = new FutureTask[5];
605 >            for (int i = 0; i < tasks.length; i++) {
606 >                Callable task = new CheckedCallable<Boolean>() {
607 >                    public Boolean realCall() throws InterruptedException {
608 >                        threadStarted.countDown();
609 >                        done.await();
610 >                        return Boolean.TRUE;
611 >                    }};
612 >                tasks[i] = new FutureTask(task);
613 >                p.execute(tasks[i]);
614 >            }
615 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
616 >            assertEquals(tasks.length, p.getTaskCount());
617 >            assertEquals(tasks.length - 1, q.size());
618 >            assertEquals(1L, p.getActiveCount());
619 >            assertEquals(0L, p.getCompletedTaskCount());
620 >            tasks[4].cancel(true);
621 >            tasks[3].cancel(false);
622 >            p.purge();
623 >            assertEquals(tasks.length - 3, q.size());
624 >            assertEquals(tasks.length - 2, p.getTaskCount());
625 >            p.purge();         // Nothing to do
626 >            assertEquals(tasks.length - 3, q.size());
627 >            assertEquals(tasks.length - 2, p.getTaskCount());
628 >            done.countDown();
629          }
394        tasks[4].cancel(true);
395        tasks[3].cancel(true);
396        p1.purge();
397        long count = p1.getTaskCount();
398        assertTrue(count >= 2 && count < 5);
399        p1.shutdownNow();
400        joinPool(p1);
630      }
631  
632      /**
633 <     *  shutDownNow returns a list containing tasks that were not run
634 <     */
635 <    public void testShutDownNow() {
636 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
637 <        List l;
638 <        try {
639 <            for(int i = 0; i < 5; i++)
640 <                p1.execute(new MediumPossiblyInterruptedRunnable());
641 <        }
642 <        finally {
643 <            l = p1.shutdownNow();
644 <        }
645 <        assertTrue(p1.isShutdown());
646 <        assertTrue(l.size() <= 4);
633 >     * shutdownNow returns a list containing tasks that were not run,
634 >     * and those tasks are drained from the queue
635 >     */
636 >    public void testShutdownNow() throws InterruptedException {
637 >        final int poolSize = 2;
638 >        final int count = 5;
639 >        final AtomicInteger ran = new AtomicInteger(0);
640 >        final ThreadPoolExecutor p =
641 >            new ThreadPoolExecutor(poolSize, poolSize,
642 >                                   LONG_DELAY_MS, MILLISECONDS,
643 >                                   new ArrayBlockingQueue<Runnable>(10));
644 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
645 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
646 >            threadsStarted.countDown();
647 >            try {
648 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
649 >            } catch (InterruptedException success) {}
650 >            ran.getAndIncrement();
651 >        }};
652 >        for (int i = 0; i < count; i++)
653 >            p.execute(waiter);
654 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
655 >        assertEquals(poolSize, p.getActiveCount());
656 >        assertEquals(0, p.getCompletedTaskCount());
657 >        final List<Runnable> queuedTasks;
658 >        try {
659 >            queuedTasks = p.shutdownNow();
660 >        } catch (SecurityException ok) {
661 >            return; // Allowed in case test doesn't have privs
662 >        }
663 >        assertTrue(p.isShutdown());
664 >        assertTrue(p.getQueue().isEmpty());
665 >        assertEquals(count - poolSize, queuedTasks.size());
666 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
667 >        assertTrue(p.isTerminated());
668 >        assertEquals(poolSize, ran.get());
669 >        assertEquals(poolSize, p.getCompletedTaskCount());
670      }
671  
672      // Exception Tests
421    
673  
674 <    /**
675 <     * Constructor throws if corePoolSize argument is less than zero
674 >    /**
675 >     * Constructor throws if corePoolSize argument is less than zero
676       */
677      public void testConstructor1() {
678          try {
679 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
679 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
680 >                                   new ArrayBlockingQueue<Runnable>(10));
681              shouldThrow();
682 <        }
431 <        catch (IllegalArgumentException success){}
682 >        } catch (IllegalArgumentException success) {}
683      }
684 <    
685 <    /**
686 <     * Constructor throws if maximumPoolSize is less than zero
684 >
685 >    /**
686 >     * Constructor throws if maximumPoolSize is less than zero
687       */
688      public void testConstructor2() {
689          try {
690 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
690 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
691 >                                   new ArrayBlockingQueue<Runnable>(10));
692              shouldThrow();
693 <        }
442 <        catch (IllegalArgumentException success){}
693 >        } catch (IllegalArgumentException success) {}
694      }
695 <    
696 <    /**
697 <     * Constructor throws if maximumPoolSize is equal to zero
695 >
696 >    /**
697 >     * Constructor throws if maximumPoolSize is equal to zero
698       */
699      public void testConstructor3() {
700          try {
701 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
701 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
702 >                                   new ArrayBlockingQueue<Runnable>(10));
703              shouldThrow();
704 <        }
453 <        catch (IllegalArgumentException success){}
704 >        } catch (IllegalArgumentException success) {}
705      }
706  
707 <    /**
708 <     * Constructor throws if keepAliveTime is less than zero
707 >    /**
708 >     * Constructor throws if keepAliveTime is less than zero
709       */
710      public void testConstructor4() {
711          try {
712 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
712 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
713 >                                   new ArrayBlockingQueue<Runnable>(10));
714              shouldThrow();
715 <        }
464 <        catch (IllegalArgumentException success){}
715 >        } catch (IllegalArgumentException success) {}
716      }
717  
718 <    /**
719 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
718 >    /**
719 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
720       */
721      public void testConstructor5() {
722          try {
723 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
723 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
724 >                                   new ArrayBlockingQueue<Runnable>(10));
725              shouldThrow();
726 <        }
475 <        catch (IllegalArgumentException success){}
726 >        } catch (IllegalArgumentException success) {}
727      }
728 <        
729 <    /**
730 <     * Constructor throws if workQueue is set to null
728 >
729 >    /**
730 >     * Constructor throws if workQueue is set to null
731       */
732      public void testConstructorNullPointerException() {
733          try {
734 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
734 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
735 >                                   (BlockingQueue) null);
736              shouldThrow();
737 <        }
486 <        catch (NullPointerException success){}  
737 >        } catch (NullPointerException success) {}
738      }
488    
739  
740 <    
741 <    /**
492 <     * Constructor throws if corePoolSize argument is less than zero
740 >    /**
741 >     * Constructor throws if corePoolSize argument is less than zero
742       */
743      public void testConstructor6() {
744          try {
745 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
745 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
746 >                                   new ArrayBlockingQueue<Runnable>(10),
747 >                                   new SimpleThreadFactory());
748              shouldThrow();
749 <        } catch (IllegalArgumentException success){}
749 >        } catch (IllegalArgumentException success) {}
750      }
751 <    
752 <    /**
753 <     * Constructor throws if maximumPoolSize is less than zero
751 >
752 >    /**
753 >     * Constructor throws if maximumPoolSize is less than zero
754       */
755      public void testConstructor7() {
756          try {
757 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
757 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
758 >                                   new ArrayBlockingQueue<Runnable>(10),
759 >                                   new SimpleThreadFactory());
760              shouldThrow();
761 <        }
509 <        catch (IllegalArgumentException success){}
761 >        } catch (IllegalArgumentException success) {}
762      }
763  
764 <    /**
765 <     * Constructor throws if maximumPoolSize is equal to zero
764 >    /**
765 >     * Constructor throws if maximumPoolSize is equal to zero
766       */
767      public void testConstructor8() {
768          try {
769 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
769 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
770 >                                   new ArrayBlockingQueue<Runnable>(10),
771 >                                   new SimpleThreadFactory());
772              shouldThrow();
773 <        }
520 <        catch (IllegalArgumentException success){}
773 >        } catch (IllegalArgumentException success) {}
774      }
775  
776 <    /**
777 <     * Constructor throws if keepAliveTime is less than zero
776 >    /**
777 >     * Constructor throws if keepAliveTime is less than zero
778       */
779      public void testConstructor9() {
780          try {
781 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
781 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
782 >                                   new ArrayBlockingQueue<Runnable>(10),
783 >                                   new SimpleThreadFactory());
784              shouldThrow();
785 <        }
531 <        catch (IllegalArgumentException success){}
785 >        } catch (IllegalArgumentException success) {}
786      }
787  
788 <    /**
789 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
788 >    /**
789 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
790       */
791      public void testConstructor10() {
792          try {
793 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
793 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
794 >                                   new ArrayBlockingQueue<Runnable>(10),
795 >                                   new SimpleThreadFactory());
796              shouldThrow();
797 <        }
542 <        catch (IllegalArgumentException success){}
797 >        } catch (IllegalArgumentException success) {}
798      }
799  
800 <    /**
801 <     * Constructor throws if workQueue is set to null
800 >    /**
801 >     * Constructor throws if workQueue is set to null
802       */
803      public void testConstructorNullPointerException2() {
804          try {
805 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
805 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
806 >                                   (BlockingQueue) null,
807 >                                   new SimpleThreadFactory());
808              shouldThrow();
809 <        }
553 <        catch (NullPointerException success){}  
809 >        } catch (NullPointerException success) {}
810      }
811  
812 <    /**
813 <     * Constructor throws if threadFactory is set to null
812 >    /**
813 >     * Constructor throws if threadFactory is set to null
814       */
815      public void testConstructorNullPointerException3() {
816          try {
817 <            ThreadFactory f = null;
818 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
817 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
818 >                                   new ArrayBlockingQueue<Runnable>(10),
819 >                                   (ThreadFactory) null);
820              shouldThrow();
821 <        }
565 <        catch (NullPointerException success){}  
821 >        } catch (NullPointerException success) {}
822      }
823 <
824 <    
825 <    /**
570 <     * Constructor throws if corePoolSize argument is less than zero
823 >
824 >    /**
825 >     * Constructor throws if corePoolSize argument is less than zero
826       */
827      public void testConstructor11() {
828          try {
829 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
829 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
830 >                                   new ArrayBlockingQueue<Runnable>(10),
831 >                                   new NoOpREHandler());
832              shouldThrow();
833 <        }
577 <        catch (IllegalArgumentException success){}
833 >        } catch (IllegalArgumentException success) {}
834      }
835  
836 <    /**
837 <     * Constructor throws if maximumPoolSize is less than zero
836 >    /**
837 >     * Constructor throws if maximumPoolSize is less than zero
838       */
839      public void testConstructor12() {
840          try {
841 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
841 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
842 >                                   new ArrayBlockingQueue<Runnable>(10),
843 >                                   new NoOpREHandler());
844              shouldThrow();
845 <        }
588 <        catch (IllegalArgumentException success){}
845 >        } catch (IllegalArgumentException success) {}
846      }
847  
848 <    /**
849 <     * Constructor throws if maximumPoolSize is equal to zero
848 >    /**
849 >     * Constructor throws if maximumPoolSize is equal to zero
850       */
851      public void testConstructor13() {
852          try {
853 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
853 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
854 >                                   new ArrayBlockingQueue<Runnable>(10),
855 >                                   new NoOpREHandler());
856              shouldThrow();
857 <        }
599 <        catch (IllegalArgumentException success){}
857 >        } catch (IllegalArgumentException success) {}
858      }
859  
860 <    /**
861 <     * Constructor throws if keepAliveTime is less than zero
860 >    /**
861 >     * Constructor throws if keepAliveTime is less than zero
862       */
863      public void testConstructor14() {
864          try {
865 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
865 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
866 >                                   new ArrayBlockingQueue<Runnable>(10),
867 >                                   new NoOpREHandler());
868              shouldThrow();
869 <        }
610 <        catch (IllegalArgumentException success){}
869 >        } catch (IllegalArgumentException success) {}
870      }
871  
872 <    /**
873 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
872 >    /**
873 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
874       */
875      public void testConstructor15() {
876          try {
877 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
877 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
878 >                                   new ArrayBlockingQueue<Runnable>(10),
879 >                                   new NoOpREHandler());
880              shouldThrow();
881 <        }
621 <        catch (IllegalArgumentException success){}
881 >        } catch (IllegalArgumentException success) {}
882      }
883  
884 <    /**
885 <     * Constructor throws if workQueue is set to null
884 >    /**
885 >     * Constructor throws if workQueue is set to null
886       */
887      public void testConstructorNullPointerException4() {
888          try {
889 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
889 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
890 >                                   (BlockingQueue) null,
891 >                                   new NoOpREHandler());
892              shouldThrow();
893 <        }
632 <        catch (NullPointerException success){}  
893 >        } catch (NullPointerException success) {}
894      }
895  
896 <    /**
897 <     * Constructor throws if handler is set to null
896 >    /**
897 >     * Constructor throws if handler is set to null
898       */
899      public void testConstructorNullPointerException5() {
900          try {
901 <            RejectedExecutionHandler r = null;
902 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
901 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
902 >                                   new ArrayBlockingQueue<Runnable>(10),
903 >                                   (RejectedExecutionHandler) null);
904              shouldThrow();
905 <        }
644 <        catch (NullPointerException success){}  
905 >        } catch (NullPointerException success) {}
906      }
907  
908 <    
909 <    /**
649 <     * Constructor throws if corePoolSize argument is less than zero
908 >    /**
909 >     * Constructor throws if corePoolSize argument is less than zero
910       */
911      public void testConstructor16() {
912          try {
913 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
913 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
914 >                                   new ArrayBlockingQueue<Runnable>(10),
915 >                                   new SimpleThreadFactory(),
916 >                                   new NoOpREHandler());
917              shouldThrow();
918 <        }
656 <        catch (IllegalArgumentException success){}
918 >        } catch (IllegalArgumentException success) {}
919      }
920  
921 <    /**
922 <     * Constructor throws if maximumPoolSize is less than zero
921 >    /**
922 >     * Constructor throws if maximumPoolSize is less than zero
923       */
924      public void testConstructor17() {
925          try {
926 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
926 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
927 >                                   new ArrayBlockingQueue<Runnable>(10),
928 >                                   new SimpleThreadFactory(),
929 >                                   new NoOpREHandler());
930              shouldThrow();
931 <        }
667 <        catch (IllegalArgumentException success){}
931 >        } catch (IllegalArgumentException success) {}
932      }
933  
934 <    /**
935 <     * Constructor throws if maximumPoolSize is equal to zero
934 >    /**
935 >     * Constructor throws if maximumPoolSize is equal to zero
936       */
937      public void testConstructor18() {
938          try {
939 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
939 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
940 >                                   new ArrayBlockingQueue<Runnable>(10),
941 >                                   new SimpleThreadFactory(),
942 >                                   new NoOpREHandler());
943              shouldThrow();
944 <        }
678 <        catch (IllegalArgumentException success){}
944 >        } catch (IllegalArgumentException success) {}
945      }
946  
947 <    /**
948 <     * Constructor throws if keepAliveTime is less than zero
947 >    /**
948 >     * Constructor throws if keepAliveTime is less than zero
949       */
950      public void testConstructor19() {
951          try {
952 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
952 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
953 >                                   new ArrayBlockingQueue<Runnable>(10),
954 >                                   new SimpleThreadFactory(),
955 >                                   new NoOpREHandler());
956              shouldThrow();
957 <        }
689 <        catch (IllegalArgumentException success){}
957 >        } catch (IllegalArgumentException success) {}
958      }
959  
960 <    /**
961 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
960 >    /**
961 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
962       */
963      public void testConstructor20() {
964          try {
965 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
965 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
966 >                                   new ArrayBlockingQueue<Runnable>(10),
967 >                                   new SimpleThreadFactory(),
968 >                                   new NoOpREHandler());
969              shouldThrow();
970 <        }
700 <        catch (IllegalArgumentException success){}
970 >        } catch (IllegalArgumentException success) {}
971      }
972  
973 <    /**
974 <     * Constructor throws if workQueue is set to null
973 >    /**
974 >     * Constructor throws if workQueue is null
975       */
976      public void testConstructorNullPointerException6() {
977          try {
978 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
978 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
979 >                                   (BlockingQueue) null,
980 >                                   new SimpleThreadFactory(),
981 >                                   new NoOpREHandler());
982              shouldThrow();
983 <        }
711 <        catch (NullPointerException success){}  
983 >        } catch (NullPointerException success) {}
984      }
985  
986 <    /**
987 <     * Constructor throws if handler is set to null
986 >    /**
987 >     * Constructor throws if handler is null
988       */
989      public void testConstructorNullPointerException7() {
990          try {
991 <            RejectedExecutionHandler r = null;
992 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
991 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
992 >                                   new ArrayBlockingQueue<Runnable>(10),
993 >                                   new SimpleThreadFactory(),
994 >                                   (RejectedExecutionHandler) null);
995              shouldThrow();
996 <        }
723 <        catch (NullPointerException success){}  
996 >        } catch (NullPointerException success) {}
997      }
998  
999 <    /**
1000 <     * Constructor throws if ThreadFactory is set top null
999 >    /**
1000 >     * Constructor throws if ThreadFactory is null
1001       */
1002      public void testConstructorNullPointerException8() {
1003          try {
1004 <            ThreadFactory f = null;
1005 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1004 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1005 >                                   new ArrayBlockingQueue<Runnable>(10),
1006 >                                   (ThreadFactory) null,
1007 >                                   new NoOpREHandler());
1008              shouldThrow();
1009 +        } catch (NullPointerException success) {}
1010 +    }
1011 +
1012 +    /**
1013 +     * get of submitted callable throws InterruptedException if interrupted
1014 +     */
1015 +    public void testInterruptedSubmit() throws InterruptedException {
1016 +        final ThreadPoolExecutor p =
1017 +            new ThreadPoolExecutor(1, 1,
1018 +                                   60, SECONDS,
1019 +                                   new ArrayBlockingQueue<Runnable>(10));
1020 +
1021 +        try (PoolCleaner cleaner = cleaner(p)) {
1022 +            final CountDownLatch threadStarted = new CountDownLatch(1);
1023 +            final CountDownLatch done = new CountDownLatch(1);
1024 +            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1025 +                public void realRun() throws Exception {
1026 +                    Callable task = new CheckedCallable<Boolean>() {
1027 +                        public Boolean realCall() throws InterruptedException {
1028 +                            threadStarted.countDown();
1029 +                            done.await();
1030 +                            return Boolean.TRUE;
1031 +                        }};
1032 +                    p.submit(task).get();
1033 +                }});
1034 +
1035 +            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1036 +            t.interrupt();
1037 +            awaitTermination(t, MEDIUM_DELAY_MS);
1038 +            done.countDown();
1039          }
735        catch (NullPointerException successdn8){}  
1040      }
737    
1041  
1042      /**
1043 <     *  execute throws RejectedExecutionException
741 <     *  if saturated.
1043 >     * execute throws RejectedExecutionException if saturated.
1044       */
1045      public void testSaturatedExecute() {
1046 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1047 <        try {
1048 <            
1049 <            for(int i = 0; i < 5; ++i){
1050 <                p.execute(new MediumRunnable());
1046 >        final ThreadPoolExecutor p =
1047 >            new ThreadPoolExecutor(1, 1,
1048 >                                   LONG_DELAY_MS, MILLISECONDS,
1049 >                                   new ArrayBlockingQueue<Runnable>(1));
1050 >        try (PoolCleaner cleaner = cleaner(p)) {
1051 >            final CountDownLatch done = new CountDownLatch(1);
1052 >            Runnable task = new CheckedRunnable() {
1053 >                public void realRun() throws InterruptedException {
1054 >                    done.await();
1055 >                }};
1056 >            for (int i = 0; i < 2; ++i)
1057 >                p.execute(task);
1058 >            for (int i = 0; i < 2; ++i) {
1059 >                try {
1060 >                    p.execute(task);
1061 >                    shouldThrow();
1062 >                } catch (RejectedExecutionException success) {}
1063 >                assertTrue(p.getTaskCount() <= 2);
1064              }
1065 <            shouldThrow();
1066 <        } catch(RejectedExecutionException success){}
752 <        joinPool(p);
1065 >            done.countDown();
1066 >        }
1067      }
1068  
1069      /**
1070 <     *  executor using CallerRunsPolicy runs task if saturated.
1070 >     * submit(runnable) throws RejectedExecutionException if saturated.
1071       */
1072 <    public void testSaturatedExecute2() {
1073 <        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1074 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1075 <        try {
1076 <            
1077 <            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1078 <            for(int i = 0; i < 5; ++i){
1079 <                tasks[i] = new TrackedNoOpRunnable();
1080 <            }
1081 <            TrackedLongRunnable mr = new TrackedLongRunnable();
1082 <            p.execute(mr);
1083 <            for(int i = 0; i < 5; ++i){
1084 <                p.execute(tasks[i]);
1072 >    public void testSaturatedSubmitRunnable() {
1073 >        final ThreadPoolExecutor p =
1074 >            new ThreadPoolExecutor(1, 1,
1075 >                                   LONG_DELAY_MS, MILLISECONDS,
1076 >                                   new ArrayBlockingQueue<Runnable>(1));
1077 >        final CountDownLatch done = new CountDownLatch(1);
1078 >        try {
1079 >            Runnable task = new CheckedRunnable() {
1080 >                public void realRun() throws InterruptedException {
1081 >                    done.await();
1082 >                }};
1083 >            for (int i = 0; i < 2; ++i)
1084 >                p.submit(task);
1085 >            for (int i = 0; i < 2; ++i) {
1086 >                try {
1087 >                    p.execute(task);
1088 >                    shouldThrow();
1089 >                } catch (RejectedExecutionException success) {}
1090 >                assertTrue(p.getTaskCount() <= 2);
1091              }
1092 <            for(int i = 1; i < 5; ++i) {
1093 <                assertTrue(tasks[i].done);
1092 >        } finally {
1093 >            done.countDown();
1094 >            joinPool(p);
1095 >        }
1096 >    }
1097 >
1098 >    /**
1099 >     * submit(callable) throws RejectedExecutionException if saturated.
1100 >     */
1101 >    public void testSaturatedSubmitCallable() {
1102 >        final ThreadPoolExecutor p =
1103 >            new ThreadPoolExecutor(1, 1,
1104 >                                   LONG_DELAY_MS, MILLISECONDS,
1105 >                                   new ArrayBlockingQueue<Runnable>(1));
1106 >        final CountDownLatch done = new CountDownLatch(1);
1107 >        try {
1108 >            Runnable task = new CheckedRunnable() {
1109 >                public void realRun() throws InterruptedException {
1110 >                    done.await();
1111 >                }};
1112 >            for (int i = 0; i < 2; ++i)
1113 >                p.submit(Executors.callable(task));
1114 >            for (int i = 0; i < 2; ++i) {
1115 >                try {
1116 >                    p.execute(task);
1117 >                    shouldThrow();
1118 >                } catch (RejectedExecutionException success) {}
1119 >                assertTrue(p.getTaskCount() <= 2);
1120              }
775            p.shutdownNow();
776        } catch(RejectedExecutionException ex){
777            unexpectedException();
1121          } finally {
1122 +            done.countDown();
1123              joinPool(p);
1124          }
1125      }
1126  
1127      /**
1128 <     *  executor using DiscardPolicy drops task if saturated.
1128 >     * executor using CallerRunsPolicy runs task if saturated.
1129       */
1130 <    public void testSaturatedExecute3() {
1131 <        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1132 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1133 <        try {
1134 <            
1130 >    public void testSaturatedExecute2() {
1131 >        final ThreadPoolExecutor p =
1132 >            new ThreadPoolExecutor(1, 1,
1133 >                                   LONG_DELAY_MS,
1134 >                                   MILLISECONDS,
1135 >                                   new ArrayBlockingQueue<Runnable>(1),
1136 >                                   new ThreadPoolExecutor.CallerRunsPolicy());
1137 >        try (PoolCleaner cleaner = cleaner(p)) {
1138 >            final CountDownLatch done = new CountDownLatch(1);
1139 >            Runnable blocker = new CheckedRunnable() {
1140 >                public void realRun() throws InterruptedException {
1141 >                    done.await();
1142 >                }};
1143 >            p.execute(blocker);
1144              TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145 <            for(int i = 0; i < 5; ++i){
1145 >            for (int i = 0; i < tasks.length; i++)
1146                  tasks[i] = new TrackedNoOpRunnable();
1147 <            }
795 <            p.execute(new TrackedLongRunnable());
796 <            for(int i = 0; i < 5; ++i){
1147 >            for (int i = 0; i < tasks.length; i++)
1148                  p.execute(tasks[i]);
1149 <            }
1150 <            for(int i = 0; i < 5; ++i){
1149 >            for (int i = 1; i < tasks.length; i++)
1150 >                assertTrue(tasks[i].done);
1151 >            assertFalse(tasks[0].done); // waiting in queue
1152 >            done.countDown();
1153 >        }
1154 >    }
1155 >
1156 >    /**
1157 >     * executor using DiscardPolicy drops task if saturated.
1158 >     */
1159 >    public void testSaturatedExecute3() {
1160 >        final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1161 >        for (int i = 0; i < tasks.length; ++i)
1162 >            tasks[i] = new TrackedNoOpRunnable();
1163 >        final ThreadPoolExecutor p =
1164 >            new ThreadPoolExecutor(1, 1,
1165 >                          LONG_DELAY_MS, MILLISECONDS,
1166 >                          new ArrayBlockingQueue<Runnable>(1),
1167 >                          new ThreadPoolExecutor.DiscardPolicy());
1168 >        try (PoolCleaner cleaner = cleaner(p)) {
1169 >            final CountDownLatch done = new CountDownLatch(1);
1170 >            p.execute(awaiter(done));
1171 >
1172 >            for (TrackedNoOpRunnable task : tasks)
1173 >                p.execute(task);
1174 >            for (int i = 1; i < tasks.length; i++)
1175                  assertFalse(tasks[i].done);
1176 <            }
802 <            p.shutdownNow();
803 <        } catch(RejectedExecutionException ex){
804 <            unexpectedException();
805 <        } finally {
806 <            joinPool(p);
1176 >            done.countDown();
1177          }
1178 +        for (int i = 1; i < tasks.length; i++)
1179 +            assertFalse(tasks[i].done);
1180 +        assertTrue(tasks[0].done); // was waiting in queue
1181      }
1182  
1183      /**
1184 <     *  executor using DiscardOldestPolicy drops oldest task if saturated.
1184 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1185       */
1186      public void testSaturatedExecute4() {
1187 <        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1188 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1189 <        try {
1190 <            p.execute(new TrackedLongRunnable());
1191 <            TrackedLongRunnable r2 = new TrackedLongRunnable();
1187 >        final CountDownLatch done = new CountDownLatch(1);
1188 >        LatchAwaiter r1 = awaiter(done);
1189 >        LatchAwaiter r2 = awaiter(done);
1190 >        LatchAwaiter r3 = awaiter(done);
1191 >        final ThreadPoolExecutor p =
1192 >            new ThreadPoolExecutor(1, 1,
1193 >                                   LONG_DELAY_MS, MILLISECONDS,
1194 >                                   new ArrayBlockingQueue<Runnable>(1),
1195 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1196 >        try (PoolCleaner cleaner = cleaner(p)) {
1197 >            assertEquals(LatchAwaiter.NEW, r1.state);
1198 >            assertEquals(LatchAwaiter.NEW, r2.state);
1199 >            assertEquals(LatchAwaiter.NEW, r3.state);
1200 >            p.execute(r1);
1201              p.execute(r2);
1202              assertTrue(p.getQueue().contains(r2));
821            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1203              p.execute(r3);
1204              assertFalse(p.getQueue().contains(r2));
1205              assertTrue(p.getQueue().contains(r3));
1206 <            p.shutdownNow();
826 <        } catch(RejectedExecutionException ex){
827 <            unexpectedException();
828 <        } finally {
829 <            joinPool(p);
1206 >            done.countDown();
1207          }
1208 +        assertEquals(LatchAwaiter.DONE, r1.state);
1209 +        assertEquals(LatchAwaiter.NEW, r2.state);
1210 +        assertEquals(LatchAwaiter.DONE, r3.state);
1211      }
1212  
1213      /**
1214 <     *  execute throws RejectedExecutionException if shutdown
1214 >     * execute throws RejectedExecutionException if shutdown
1215       */
1216      public void testRejectedExecutionExceptionOnShutdown() {
1217 <        ThreadPoolExecutor tpe =
1218 <            new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1219 <        tpe.shutdown();
1220 <        try {
1221 <            tpe.execute(new NoOpRunnable());
1222 <            shouldThrow();
1223 <        } catch(RejectedExecutionException success){}
1224 <        
1225 <        joinPool(tpe);
1217 >        final ThreadPoolExecutor p =
1218 >            new ThreadPoolExecutor(1, 1,
1219 >                                   LONG_DELAY_MS, MILLISECONDS,
1220 >                                   new ArrayBlockingQueue<Runnable>(1));
1221 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1222 >        try (PoolCleaner cleaner = cleaner(p)) {
1223 >            try {
1224 >                p.execute(new NoOpRunnable());
1225 >                shouldThrow();
1226 >            } catch (RejectedExecutionException success) {}
1227 >        }
1228      }
1229  
1230      /**
1231 <     *  execute using CallerRunsPolicy drops task on shutdown
1231 >     * execute using CallerRunsPolicy drops task on shutdown
1232       */
1233      public void testCallerRunsOnShutdown() {
1234          RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1235 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1235 >        final ThreadPoolExecutor p =
1236 >            new ThreadPoolExecutor(1, 1,
1237 >                                   LONG_DELAY_MS, MILLISECONDS,
1238 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1239  
1240 <        p.shutdown();
1241 <        try {
1240 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1241 >        try (PoolCleaner cleaner = cleaner(p)) {
1242              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1243 <            p.execute(r);
1243 >            p.execute(r);
1244              assertFalse(r.done);
860        } catch(RejectedExecutionException success){
861            unexpectedException();
862        } finally {
863            joinPool(p);
1245          }
1246      }
1247  
1248      /**
1249 <     *  execute using DiscardPolicy drops task on shutdown
1249 >     * execute using DiscardPolicy drops task on shutdown
1250       */
1251      public void testDiscardOnShutdown() {
1252 <        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1253 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1252 >        final ThreadPoolExecutor p =
1253 >            new ThreadPoolExecutor(1, 1,
1254 >                                   LONG_DELAY_MS, MILLISECONDS,
1255 >                                   new ArrayBlockingQueue<Runnable>(1),
1256 >                                   new ThreadPoolExecutor.DiscardPolicy());
1257  
1258 <        p.shutdown();
1259 <        try {
1258 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1259 >        try (PoolCleaner cleaner = cleaner(p)) {
1260              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1261 <            p.execute(r);
1261 >            p.execute(r);
1262              assertFalse(r.done);
879        } catch(RejectedExecutionException success){
880            unexpectedException();
881        } finally {
882            joinPool(p);
1263          }
1264      }
1265  
886
1266      /**
1267 <     *  execute using DiscardOldestPolicy drops task on shutdown
1267 >     * execute using DiscardOldestPolicy drops task on shutdown
1268       */
1269      public void testDiscardOldestOnShutdown() {
1270 <        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1271 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1270 >        final ThreadPoolExecutor p =
1271 >            new ThreadPoolExecutor(1, 1,
1272 >                                   LONG_DELAY_MS, MILLISECONDS,
1273 >                                   new ArrayBlockingQueue<Runnable>(1),
1274 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1275  
1276 <        p.shutdown();
1277 <        try {
1276 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1277 >        try (PoolCleaner cleaner = cleaner(p)) {
1278              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1279 <            p.execute(r);
1279 >            p.execute(r);
1280              assertFalse(r.done);
899        } catch(RejectedExecutionException success){
900            unexpectedException();
901        } finally {
902            joinPool(p);
1281          }
1282      }
1283  
906
1284      /**
1285 <     *  execute (null) throws NPE
1285 >     * execute(null) throws NPE
1286       */
1287      public void testExecuteNull() {
1288 <        ThreadPoolExecutor tpe = null;
1288 >        final ThreadPoolExecutor p =
1289 >            new ThreadPoolExecutor(1, 2,
1290 >                                   1L, SECONDS,
1291 >                                   new ArrayBlockingQueue<Runnable>(10));
1292 >        try (PoolCleaner cleaner = cleaner(p)) {
1293 >            try {
1294 >                p.execute(null);
1295 >                shouldThrow();
1296 >            } catch (NullPointerException success) {}
1297 >        }
1298 >    }
1299 >
1300 >    /**
1301 >     * setCorePoolSize of negative value throws IllegalArgumentException
1302 >     */
1303 >    public void testCorePoolSizeIllegalArgumentException() {
1304 >        final ThreadPoolExecutor p =
1305 >            new ThreadPoolExecutor(1, 2,
1306 >                                   LONG_DELAY_MS, MILLISECONDS,
1307 >                                   new ArrayBlockingQueue<Runnable>(10));
1308          try {
1309 <            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
914 <            tpe.execute(null);
1309 >            p.setCorePoolSize(-1);
1310              shouldThrow();
1311 <        } catch(NullPointerException success){}
1312 <        
1313 <        joinPool(tpe);
1311 >        } catch (IllegalArgumentException success) {
1312 >        } finally {
1313 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1314 >        }
1315 >        joinPool(p);
1316      }
1317 <    
1317 >
1318      /**
1319 <     *  setCorePoolSize of negative value throws IllegalArgumentException
1319 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1320 >     * given a value less the core pool size
1321       */
924    public void testCorePoolSizeIllegalArgumentException() {
925        ThreadPoolExecutor tpe = null;
926        try {
927            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
928        } catch(Exception e){}
929        try {
930            tpe.setCorePoolSize(-1);
931            shouldThrow();
932        } catch(IllegalArgumentException success){
933        } finally {
934            tpe.shutdown();
935        }
936        joinPool(tpe);
937    }  
938
939    /**
940     *  setMaximumPoolSize(int) throws IllegalArgumentException if
941     *  given a value less the core pool size
942     */  
1322      public void testMaximumPoolSizeIllegalArgumentException() {
1323 <        ThreadPoolExecutor tpe = null;
1324 <        try {
1325 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1326 <        } catch(Exception e){}
1323 >        final ThreadPoolExecutor p =
1324 >            new ThreadPoolExecutor(2, 3,
1325 >                                   LONG_DELAY_MS, MILLISECONDS,
1326 >                                   new ArrayBlockingQueue<Runnable>(10));
1327          try {
1328 <            tpe.setMaximumPoolSize(1);
1328 >            p.setMaximumPoolSize(1);
1329              shouldThrow();
1330 <        } catch(IllegalArgumentException success){
1330 >        } catch (IllegalArgumentException success) {
1331          } finally {
1332 <            tpe.shutdown();
1332 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1333          }
1334 <        joinPool(tpe);
1334 >        joinPool(p);
1335      }
1336 <    
1336 >
1337      /**
1338 <     *  setMaximumPoolSize throws IllegalArgumentException
1339 <     *  if given a negative value
1338 >     * setMaximumPoolSize throws IllegalArgumentException
1339 >     * if given a negative value
1340       */
1341      public void testMaximumPoolSizeIllegalArgumentException2() {
1342 <        ThreadPoolExecutor tpe = null;
1342 >        final ThreadPoolExecutor p =
1343 >            new ThreadPoolExecutor(2, 3,
1344 >                                   LONG_DELAY_MS, MILLISECONDS,
1345 >                                   new ArrayBlockingQueue<Runnable>(10));
1346          try {
1347 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
966 <        } catch(Exception e){}
967 <        try {
968 <            tpe.setMaximumPoolSize(-1);
1347 >            p.setMaximumPoolSize(-1);
1348              shouldThrow();
1349 <        } catch(IllegalArgumentException success){
1349 >        } catch (IllegalArgumentException success) {
1350          } finally {
1351 <            tpe.shutdown();
1351 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1352 >        }
1353 >        joinPool(p);
1354 >    }
1355 >
1356 >    /**
1357 >     * Configuration changes that allow core pool size greater than
1358 >     * max pool size result in IllegalArgumentException.
1359 >     */
1360 >    public void testPoolSizeInvariants() {
1361 >        final ThreadPoolExecutor p =
1362 >            new ThreadPoolExecutor(1, 1,
1363 >                                   LONG_DELAY_MS, MILLISECONDS,
1364 >                                   new ArrayBlockingQueue<Runnable>(10));
1365 >        for (int s = 1; s < 5; s++) {
1366 >            p.setMaximumPoolSize(s);
1367 >            p.setCorePoolSize(s);
1368 >            try {
1369 >                p.setMaximumPoolSize(s - 1);
1370 >                shouldThrow();
1371 >            } catch (IllegalArgumentException success) {}
1372 >            assertEquals(s, p.getCorePoolSize());
1373 >            assertEquals(s, p.getMaximumPoolSize());
1374 >            try {
1375 >                p.setCorePoolSize(s + 1);
1376 >                shouldThrow();
1377 >            } catch (IllegalArgumentException success) {}
1378 >            assertEquals(s, p.getCorePoolSize());
1379 >            assertEquals(s, p.getMaximumPoolSize());
1380          }
1381 <        joinPool(tpe);
1381 >        joinPool(p);
1382      }
976    
1383  
1384      /**
1385 <     *  setKeepAliveTime  throws IllegalArgumentException
1386 <     *  when given a negative value
1385 >     * setKeepAliveTime throws IllegalArgumentException
1386 >     * when given a negative value
1387       */
1388      public void testKeepAliveTimeIllegalArgumentException() {
1389 <        ThreadPoolExecutor tpe = null;
1389 >        final ThreadPoolExecutor p =
1390 >            new ThreadPoolExecutor(2, 3,
1391 >                                   LONG_DELAY_MS, MILLISECONDS,
1392 >                                   new ArrayBlockingQueue<Runnable>(10));
1393          try {
1394 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
986 <        } catch(Exception e){}
987 <        
988 <        try {
989 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1394 >            p.setKeepAliveTime(-1,MILLISECONDS);
1395              shouldThrow();
1396 <        } catch(IllegalArgumentException success){
1396 >        } catch (IllegalArgumentException success) {
1397          } finally {
1398 <            tpe.shutdown();
1398 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1399          }
1400 <        joinPool(tpe);
1400 >        joinPool(p);
1401      }
1402  
1403      /**
1404       * terminated() is called on termination
1405       */
1406      public void testTerminated() {
1407 <        ExtendedTPE tpe = new ExtendedTPE();
1408 <        tpe.shutdown();
1409 <        assertTrue(tpe.terminatedCalled);
1410 <        joinPool(tpe);
1407 >        ExtendedTPE p = new ExtendedTPE();
1408 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1409 >        assertTrue(p.terminatedCalled());
1410 >        joinPool(p);
1411      }
1412  
1413      /**
1414       * beforeExecute and afterExecute are called when executing task
1415       */
1416 <    public void testBeforeAfter() {
1417 <        ExtendedTPE tpe = new ExtendedTPE();
1416 >    public void testBeforeAfter() throws InterruptedException {
1417 >        ExtendedTPE p = new ExtendedTPE();
1418          try {
1419 <            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1420 <            tpe.execute(r);
1421 <            Thread.sleep(SHORT_DELAY_MS);
1422 <            assertTrue(r.done);
1423 <            assertTrue(tpe.beforeCalled);
1424 <            assertTrue(tpe.afterCalled);
1425 <            tpe.shutdown();
1419 >            final CountDownLatch done = new CountDownLatch(1);
1420 >            p.execute(new CheckedRunnable() {
1421 >                public void realRun() {
1422 >                    done.countDown();
1423 >                }});
1424 >            await(p.afterCalled);
1425 >            assertEquals(0, done.getCount());
1426 >            assertTrue(p.afterCalled());
1427 >            assertTrue(p.beforeCalled());
1428 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1429 >        } finally {
1430 >            joinPool(p);
1431 >        }
1432 >    }
1433 >
1434 >    /**
1435 >     * completed submit of callable returns result
1436 >     */
1437 >    public void testSubmitCallable() throws Exception {
1438 >        ExecutorService e =
1439 >            new ThreadPoolExecutor(2, 2,
1440 >                                   LONG_DELAY_MS, MILLISECONDS,
1441 >                                   new ArrayBlockingQueue<Runnable>(10));
1442 >        try {
1443 >            Future<String> future = e.submit(new StringTask());
1444 >            String result = future.get();
1445 >            assertSame(TEST_STRING, result);
1446 >        } finally {
1447 >            joinPool(e);
1448 >        }
1449 >    }
1450 >
1451 >    /**
1452 >     * completed submit of runnable returns successfully
1453 >     */
1454 >    public void testSubmitRunnable() throws Exception {
1455 >        ExecutorService e =
1456 >            new ThreadPoolExecutor(2, 2,
1457 >                                   LONG_DELAY_MS, MILLISECONDS,
1458 >                                   new ArrayBlockingQueue<Runnable>(10));
1459 >        try {
1460 >            Future<?> future = e.submit(new NoOpRunnable());
1461 >            future.get();
1462 >            assertTrue(future.isDone());
1463 >        } finally {
1464 >            joinPool(e);
1465 >        }
1466 >    }
1467 >
1468 >    /**
1469 >     * completed submit of (runnable, result) returns result
1470 >     */
1471 >    public void testSubmitRunnable2() throws Exception {
1472 >        ExecutorService e =
1473 >            new ThreadPoolExecutor(2, 2,
1474 >                                   LONG_DELAY_MS, MILLISECONDS,
1475 >                                   new ArrayBlockingQueue<Runnable>(10));
1476 >        try {
1477 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1478 >            String result = future.get();
1479 >            assertSame(TEST_STRING, result);
1480 >        } finally {
1481 >            joinPool(e);
1482 >        }
1483 >    }
1484 >
1485 >    /**
1486 >     * invokeAny(null) throws NPE
1487 >     */
1488 >    public void testInvokeAny1() throws Exception {
1489 >        ExecutorService e =
1490 >            new ThreadPoolExecutor(2, 2,
1491 >                                   LONG_DELAY_MS, MILLISECONDS,
1492 >                                   new ArrayBlockingQueue<Runnable>(10));
1493 >        try {
1494 >            e.invokeAny(null);
1495 >            shouldThrow();
1496 >        } catch (NullPointerException success) {
1497 >        } finally {
1498 >            joinPool(e);
1499 >        }
1500 >    }
1501 >
1502 >    /**
1503 >     * invokeAny(empty collection) throws IAE
1504 >     */
1505 >    public void testInvokeAny2() throws Exception {
1506 >        ExecutorService e =
1507 >            new ThreadPoolExecutor(2, 2,
1508 >                                   LONG_DELAY_MS, MILLISECONDS,
1509 >                                   new ArrayBlockingQueue<Runnable>(10));
1510 >        try {
1511 >            e.invokeAny(new ArrayList<Callable<String>>());
1512 >            shouldThrow();
1513 >        } catch (IllegalArgumentException success) {
1514 >        } finally {
1515 >            joinPool(e);
1516 >        }
1517 >    }
1518 >
1519 >    /**
1520 >     * invokeAny(c) throws NPE if c has null elements
1521 >     */
1522 >    public void testInvokeAny3() throws Exception {
1523 >        final CountDownLatch latch = new CountDownLatch(1);
1524 >        final ExecutorService e =
1525 >            new ThreadPoolExecutor(2, 2,
1526 >                                   LONG_DELAY_MS, MILLISECONDS,
1527 >                                   new ArrayBlockingQueue<Runnable>(10));
1528 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1529 >        l.add(latchAwaitingStringTask(latch));
1530 >        l.add(null);
1531 >        try {
1532 >            e.invokeAny(l);
1533 >            shouldThrow();
1534 >        } catch (NullPointerException success) {
1535 >        } finally {
1536 >            latch.countDown();
1537 >            joinPool(e);
1538 >        }
1539 >    }
1540 >
1541 >    /**
1542 >     * invokeAny(c) throws ExecutionException if no task completes
1543 >     */
1544 >    public void testInvokeAny4() throws Exception {
1545 >        ExecutorService e =
1546 >            new ThreadPoolExecutor(2, 2,
1547 >                                   LONG_DELAY_MS, MILLISECONDS,
1548 >                                   new ArrayBlockingQueue<Runnable>(10));
1549 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1550 >        l.add(new NPETask());
1551 >        try {
1552 >            e.invokeAny(l);
1553 >            shouldThrow();
1554 >        } catch (ExecutionException success) {
1555 >            assertTrue(success.getCause() instanceof NullPointerException);
1556 >        } finally {
1557 >            joinPool(e);
1558 >        }
1559 >    }
1560 >
1561 >    /**
1562 >     * invokeAny(c) returns result of some task
1563 >     */
1564 >    public void testInvokeAny5() throws Exception {
1565 >        ExecutorService e =
1566 >            new ThreadPoolExecutor(2, 2,
1567 >                                   LONG_DELAY_MS, MILLISECONDS,
1568 >                                   new ArrayBlockingQueue<Runnable>(10));
1569 >        try {
1570 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1571 >            l.add(new StringTask());
1572 >            l.add(new StringTask());
1573 >            String result = e.invokeAny(l);
1574 >            assertSame(TEST_STRING, result);
1575 >        } finally {
1576 >            joinPool(e);
1577 >        }
1578 >    }
1579 >
1580 >    /**
1581 >     * invokeAll(null) throws NPE
1582 >     */
1583 >    public void testInvokeAll1() throws Exception {
1584 >        ExecutorService e =
1585 >            new ThreadPoolExecutor(2, 2,
1586 >                                   LONG_DELAY_MS, MILLISECONDS,
1587 >                                   new ArrayBlockingQueue<Runnable>(10));
1588 >        try {
1589 >            e.invokeAll(null);
1590 >            shouldThrow();
1591 >        } catch (NullPointerException success) {
1592 >        } finally {
1593 >            joinPool(e);
1594 >        }
1595 >    }
1596 >
1597 >    /**
1598 >     * invokeAll(empty collection) returns empty collection
1599 >     */
1600 >    public void testInvokeAll2() throws InterruptedException {
1601 >        ExecutorService e =
1602 >            new ThreadPoolExecutor(2, 2,
1603 >                                   LONG_DELAY_MS, MILLISECONDS,
1604 >                                   new ArrayBlockingQueue<Runnable>(10));
1605 >        try {
1606 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1607 >            assertTrue(r.isEmpty());
1608 >        } finally {
1609 >            joinPool(e);
1610 >        }
1611 >    }
1612 >
1613 >    /**
1614 >     * invokeAll(c) throws NPE if c has null elements
1615 >     */
1616 >    public void testInvokeAll3() throws Exception {
1617 >        ExecutorService e =
1618 >            new ThreadPoolExecutor(2, 2,
1619 >                                   LONG_DELAY_MS, MILLISECONDS,
1620 >                                   new ArrayBlockingQueue<Runnable>(10));
1621 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1622 >        l.add(new StringTask());
1623 >        l.add(null);
1624 >        try {
1625 >            e.invokeAll(l);
1626 >            shouldThrow();
1627 >        } catch (NullPointerException success) {
1628 >        } finally {
1629 >            joinPool(e);
1630 >        }
1631 >    }
1632 >
1633 >    /**
1634 >     * get of element of invokeAll(c) throws exception on failed task
1635 >     */
1636 >    public void testInvokeAll4() throws Exception {
1637 >        ExecutorService e =
1638 >            new ThreadPoolExecutor(2, 2,
1639 >                                   LONG_DELAY_MS, MILLISECONDS,
1640 >                                   new ArrayBlockingQueue<Runnable>(10));
1641 >        try {
1642 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1643 >            l.add(new NPETask());
1644 >            List<Future<String>> futures = e.invokeAll(l);
1645 >            assertEquals(1, futures.size());
1646 >            try {
1647 >                futures.get(0).get();
1648 >                shouldThrow();
1649 >            } catch (ExecutionException success) {
1650 >                assertTrue(success.getCause() instanceof NullPointerException);
1651 >            }
1652 >        } finally {
1653 >            joinPool(e);
1654 >        }
1655 >    }
1656 >
1657 >    /**
1658 >     * invokeAll(c) returns results of all completed tasks
1659 >     */
1660 >    public void testInvokeAll5() throws Exception {
1661 >        ExecutorService e =
1662 >            new ThreadPoolExecutor(2, 2,
1663 >                                   LONG_DELAY_MS, MILLISECONDS,
1664 >                                   new ArrayBlockingQueue<Runnable>(10));
1665 >        try {
1666 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1667 >            l.add(new StringTask());
1668 >            l.add(new StringTask());
1669 >            List<Future<String>> futures = e.invokeAll(l);
1670 >            assertEquals(2, futures.size());
1671 >            for (Future<String> future : futures)
1672 >                assertSame(TEST_STRING, future.get());
1673 >        } finally {
1674 >            joinPool(e);
1675 >        }
1676 >    }
1677 >
1678 >    /**
1679 >     * timed invokeAny(null) throws NPE
1680 >     */
1681 >    public void testTimedInvokeAny1() throws Exception {
1682 >        ExecutorService e =
1683 >            new ThreadPoolExecutor(2, 2,
1684 >                                   LONG_DELAY_MS, MILLISECONDS,
1685 >                                   new ArrayBlockingQueue<Runnable>(10));
1686 >        try {
1687 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1688 >            shouldThrow();
1689 >        } catch (NullPointerException success) {
1690 >        } finally {
1691 >            joinPool(e);
1692 >        }
1693 >    }
1694 >
1695 >    /**
1696 >     * timed invokeAny(,,null) throws NPE
1697 >     */
1698 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1699 >        ExecutorService e =
1700 >            new ThreadPoolExecutor(2, 2,
1701 >                                   LONG_DELAY_MS, MILLISECONDS,
1702 >                                   new ArrayBlockingQueue<Runnable>(10));
1703 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1704 >        l.add(new StringTask());
1705 >        try {
1706 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1707 >            shouldThrow();
1708 >        } catch (NullPointerException success) {
1709 >        } finally {
1710 >            joinPool(e);
1711 >        }
1712 >    }
1713 >
1714 >    /**
1715 >     * timed invokeAny(empty collection) throws IAE
1716 >     */
1717 >    public void testTimedInvokeAny2() throws Exception {
1718 >        ExecutorService e =
1719 >            new ThreadPoolExecutor(2, 2,
1720 >                                   LONG_DELAY_MS, MILLISECONDS,
1721 >                                   new ArrayBlockingQueue<Runnable>(10));
1722 >        try {
1723 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1724 >            shouldThrow();
1725 >        } catch (IllegalArgumentException success) {
1726 >        } finally {
1727 >            joinPool(e);
1728 >        }
1729 >    }
1730 >
1731 >    /**
1732 >     * timed invokeAny(c) throws NPE if c has null elements
1733 >     */
1734 >    public void testTimedInvokeAny3() throws Exception {
1735 >        final CountDownLatch latch = new CountDownLatch(1);
1736 >        final ExecutorService e =
1737 >            new ThreadPoolExecutor(2, 2,
1738 >                                   LONG_DELAY_MS, MILLISECONDS,
1739 >                                   new ArrayBlockingQueue<Runnable>(10));
1740 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1741 >        l.add(latchAwaitingStringTask(latch));
1742 >        l.add(null);
1743 >        try {
1744 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1745 >            shouldThrow();
1746 >        } catch (NullPointerException success) {
1747 >        } finally {
1748 >            latch.countDown();
1749 >            joinPool(e);
1750 >        }
1751 >    }
1752 >
1753 >    /**
1754 >     * timed invokeAny(c) throws ExecutionException if no task completes
1755 >     */
1756 >    public void testTimedInvokeAny4() throws Exception {
1757 >        ExecutorService e =
1758 >            new ThreadPoolExecutor(2, 2,
1759 >                                   LONG_DELAY_MS, MILLISECONDS,
1760 >                                   new ArrayBlockingQueue<Runnable>(10));
1761 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1762 >        l.add(new NPETask());
1763 >        try {
1764 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1765 >            shouldThrow();
1766 >        } catch (ExecutionException success) {
1767 >            assertTrue(success.getCause() instanceof NullPointerException);
1768 >        } finally {
1769 >            joinPool(e);
1770 >        }
1771 >    }
1772 >
1773 >    /**
1774 >     * timed invokeAny(c) returns result of some task
1775 >     */
1776 >    public void testTimedInvokeAny5() throws Exception {
1777 >        ExecutorService e =
1778 >            new ThreadPoolExecutor(2, 2,
1779 >                                   LONG_DELAY_MS, MILLISECONDS,
1780 >                                   new ArrayBlockingQueue<Runnable>(10));
1781 >        try {
1782 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1783 >            l.add(new StringTask());
1784 >            l.add(new StringTask());
1785 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1786 >            assertSame(TEST_STRING, result);
1787 >        } finally {
1788 >            joinPool(e);
1789 >        }
1790 >    }
1791 >
1792 >    /**
1793 >     * timed invokeAll(null) throws NPE
1794 >     */
1795 >    public void testTimedInvokeAll1() throws Exception {
1796 >        ExecutorService e =
1797 >            new ThreadPoolExecutor(2, 2,
1798 >                                   LONG_DELAY_MS, MILLISECONDS,
1799 >                                   new ArrayBlockingQueue<Runnable>(10));
1800 >        try {
1801 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1802 >            shouldThrow();
1803 >        } catch (NullPointerException success) {
1804 >        } finally {
1805 >            joinPool(e);
1806 >        }
1807 >    }
1808 >
1809 >    /**
1810 >     * timed invokeAll(,,null) throws NPE
1811 >     */
1812 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1813 >        ExecutorService e =
1814 >            new ThreadPoolExecutor(2, 2,
1815 >                                   LONG_DELAY_MS, MILLISECONDS,
1816 >                                   new ArrayBlockingQueue<Runnable>(10));
1817 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1818 >        l.add(new StringTask());
1819 >        try {
1820 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1821 >            shouldThrow();
1822 >        } catch (NullPointerException success) {
1823 >        } finally {
1824 >            joinPool(e);
1825 >        }
1826 >    }
1827 >
1828 >    /**
1829 >     * timed invokeAll(empty collection) returns empty collection
1830 >     */
1831 >    public void testTimedInvokeAll2() throws InterruptedException {
1832 >        ExecutorService e =
1833 >            new ThreadPoolExecutor(2, 2,
1834 >                                   LONG_DELAY_MS, MILLISECONDS,
1835 >                                   new ArrayBlockingQueue<Runnable>(10));
1836 >        try {
1837 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1838 >            assertTrue(r.isEmpty());
1839 >        } finally {
1840 >            joinPool(e);
1841 >        }
1842 >    }
1843 >
1844 >    /**
1845 >     * timed invokeAll(c) throws NPE if c has null elements
1846 >     */
1847 >    public void testTimedInvokeAll3() throws Exception {
1848 >        ExecutorService e =
1849 >            new ThreadPoolExecutor(2, 2,
1850 >                                   LONG_DELAY_MS, MILLISECONDS,
1851 >                                   new ArrayBlockingQueue<Runnable>(10));
1852 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1853 >        l.add(new StringTask());
1854 >        l.add(null);
1855 >        try {
1856 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1857 >            shouldThrow();
1858 >        } catch (NullPointerException success) {
1859 >        } finally {
1860 >            joinPool(e);
1861 >        }
1862 >    }
1863 >
1864 >    /**
1865 >     * get of element of invokeAll(c) throws exception on failed task
1866 >     */
1867 >    public void testTimedInvokeAll4() throws Exception {
1868 >        ExecutorService e =
1869 >            new ThreadPoolExecutor(2, 2,
1870 >                                   LONG_DELAY_MS, MILLISECONDS,
1871 >                                   new ArrayBlockingQueue<Runnable>(10));
1872 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1873 >        l.add(new NPETask());
1874 >        List<Future<String>> futures =
1875 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1876 >        assertEquals(1, futures.size());
1877 >        try {
1878 >            futures.get(0).get();
1879 >            shouldThrow();
1880 >        } catch (ExecutionException success) {
1881 >            assertTrue(success.getCause() instanceof NullPointerException);
1882 >        } finally {
1883 >            joinPool(e);
1884 >        }
1885 >    }
1886 >
1887 >    /**
1888 >     * timed invokeAll(c) returns results of all completed tasks
1889 >     */
1890 >    public void testTimedInvokeAll5() throws Exception {
1891 >        ExecutorService e =
1892 >            new ThreadPoolExecutor(2, 2,
1893 >                                   LONG_DELAY_MS, MILLISECONDS,
1894 >                                   new ArrayBlockingQueue<Runnable>(10));
1895 >        try {
1896 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1897 >            l.add(new StringTask());
1898 >            l.add(new StringTask());
1899 >            List<Future<String>> futures =
1900 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1901 >            assertEquals(2, futures.size());
1902 >            for (Future<String> future : futures)
1903 >                assertSame(TEST_STRING, future.get());
1904 >        } finally {
1905 >            joinPool(e);
1906 >        }
1907 >    }
1908 >
1909 >    /**
1910 >     * timed invokeAll(c) cancels tasks not completed by timeout
1911 >     */
1912 >    public void testTimedInvokeAll6() throws Exception {
1913 >        ExecutorService e =
1914 >            new ThreadPoolExecutor(2, 2,
1915 >                                   LONG_DELAY_MS, MILLISECONDS,
1916 >                                   new ArrayBlockingQueue<Runnable>(10));
1917 >        try {
1918 >            for (long timeout = timeoutMillis();;) {
1919 >                List<Callable<String>> tasks = new ArrayList<>();
1920 >                tasks.add(new StringTask("0"));
1921 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1922 >                tasks.add(new StringTask("2"));
1923 >                long startTime = System.nanoTime();
1924 >                List<Future<String>> futures =
1925 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1926 >                assertEquals(tasks.size(), futures.size());
1927 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1928 >                for (Future future : futures)
1929 >                    assertTrue(future.isDone());
1930 >                assertTrue(futures.get(1).isCancelled());
1931 >                try {
1932 >                    assertEquals("0", futures.get(0).get());
1933 >                    assertEquals("2", futures.get(2).get());
1934 >                    break;
1935 >                } catch (CancellationException retryWithLongerTimeout) {
1936 >                    timeout *= 2;
1937 >                    if (timeout >= LONG_DELAY_MS / 2)
1938 >                        fail("expected exactly one task to be cancelled");
1939 >                }
1940 >            }
1941 >        } finally {
1942 >            joinPool(e);
1943 >        }
1944 >    }
1945 >
1946 >    /**
1947 >     * Execution continues if there is at least one thread even if
1948 >     * thread factory fails to create more
1949 >     */
1950 >    public void testFailingThreadFactory() throws InterruptedException {
1951 >        final ExecutorService e =
1952 >            new ThreadPoolExecutor(100, 100,
1953 >                                   LONG_DELAY_MS, MILLISECONDS,
1954 >                                   new LinkedBlockingQueue<Runnable>(),
1955 >                                   new FailingThreadFactory());
1956 >        try {
1957 >            final int TASKS = 100;
1958 >            final CountDownLatch done = new CountDownLatch(TASKS);
1959 >            for (int k = 0; k < TASKS; ++k)
1960 >                e.execute(new CheckedRunnable() {
1961 >                    public void realRun() {
1962 >                        done.countDown();
1963 >                    }});
1964 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1965 >        } finally {
1966 >            joinPool(e);
1967 >        }
1968 >    }
1969 >
1970 >    /**
1971 >     * allowsCoreThreadTimeOut is by default false.
1972 >     */
1973 >    public void testAllowsCoreThreadTimeOut() {
1974 >        final ThreadPoolExecutor p =
1975 >            new ThreadPoolExecutor(2, 2,
1976 >                                   1000, MILLISECONDS,
1977 >                                   new ArrayBlockingQueue<Runnable>(10));
1978 >        assertFalse(p.allowsCoreThreadTimeOut());
1979 >        joinPool(p);
1980 >    }
1981 >
1982 >    /**
1983 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1984 >     */
1985 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1986 >        long keepAliveTime = timeoutMillis();
1987 >        final ThreadPoolExecutor p =
1988 >            new ThreadPoolExecutor(2, 10,
1989 >                                   keepAliveTime, MILLISECONDS,
1990 >                                   new ArrayBlockingQueue<Runnable>(10));
1991 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1992 >        try {
1993 >            p.allowCoreThreadTimeOut(true);
1994 >            p.execute(new CheckedRunnable() {
1995 >                public void realRun() {
1996 >                    threadStarted.countDown();
1997 >                    assertEquals(1, p.getPoolSize());
1998 >                }});
1999 >            await(threadStarted);
2000 >            delay(keepAliveTime);
2001 >            long startTime = System.nanoTime();
2002 >            while (p.getPoolSize() > 0
2003 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2004 >                Thread.yield();
2005 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2006 >            assertEquals(0, p.getPoolSize());
2007 >        } finally {
2008 >            joinPool(p);
2009 >        }
2010 >    }
2011 >
2012 >    /**
2013 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2014 >     */
2015 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2016 >        long keepAliveTime = timeoutMillis();
2017 >        final ThreadPoolExecutor p =
2018 >            new ThreadPoolExecutor(2, 10,
2019 >                                   keepAliveTime, MILLISECONDS,
2020 >                                   new ArrayBlockingQueue<Runnable>(10));
2021 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2022 >        try {
2023 >            p.allowCoreThreadTimeOut(false);
2024 >            p.execute(new CheckedRunnable() {
2025 >                public void realRun() throws InterruptedException {
2026 >                    threadStarted.countDown();
2027 >                    assertTrue(p.getPoolSize() >= 1);
2028 >                }});
2029 >            delay(2 * keepAliveTime);
2030 >            assertTrue(p.getPoolSize() >= 1);
2031 >        } finally {
2032 >            joinPool(p);
2033 >        }
2034 >    }
2035 >
2036 >    /**
2037 >     * execute allows the same task to be submitted multiple times, even
2038 >     * if rejected
2039 >     */
2040 >    public void testRejectedRecycledTask() throws InterruptedException {
2041 >        final int nTasks = 1000;
2042 >        final CountDownLatch done = new CountDownLatch(nTasks);
2043 >        final Runnable recycledTask = new Runnable() {
2044 >            public void run() {
2045 >                done.countDown();
2046 >            }};
2047 >        final ThreadPoolExecutor p =
2048 >            new ThreadPoolExecutor(1, 30,
2049 >                                   60, SECONDS,
2050 >                                   new ArrayBlockingQueue(30));
2051 >        try {
2052 >            for (int i = 0; i < nTasks; ++i) {
2053 >                for (;;) {
2054 >                    try {
2055 >                        p.execute(recycledTask);
2056 >                        break;
2057 >                    }
2058 >                    catch (RejectedExecutionException ignore) {}
2059 >                }
2060 >            }
2061 >            // enough time to run all tasks
2062 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2063 >        } finally {
2064 >            joinPool(p);
2065          }
2066 <        catch(Exception ex) {
2067 <            unexpectedException();
2066 >    }
2067 >
2068 >    /**
2069 >     * get(cancelled task) throws CancellationException
2070 >     */
2071 >    public void testGet_cancelled() throws Exception {
2072 >        final ExecutorService e =
2073 >            new ThreadPoolExecutor(1, 1,
2074 >                                   LONG_DELAY_MS, MILLISECONDS,
2075 >                                   new LinkedBlockingQueue<Runnable>());
2076 >        try {
2077 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2078 >            final CountDownLatch done = new CountDownLatch(1);
2079 >            final List<Future<?>> futures = new ArrayList<>();
2080 >            for (int i = 0; i < 2; i++) {
2081 >                Runnable r = new CheckedRunnable() { public void realRun()
2082 >                                                         throws Throwable {
2083 >                    blockerStarted.countDown();
2084 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2085 >                }};
2086 >                futures.add(e.submit(r));
2087 >            }
2088 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2089 >            for (Future<?> future : futures) future.cancel(false);
2090 >            for (Future<?> future : futures) {
2091 >                try {
2092 >                    future.get();
2093 >                    shouldThrow();
2094 >                } catch (CancellationException success) {}
2095 >                try {
2096 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2097 >                    shouldThrow();
2098 >                } catch (CancellationException success) {}
2099 >                assertTrue(future.isCancelled());
2100 >                assertTrue(future.isDone());
2101 >            }
2102 >            done.countDown();
2103          } finally {
2104 <            joinPool(tpe);
2104 >            joinPool(e);
2105          }
2106      }
2107 +
2108   }

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