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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.9 by dl, Sun Oct 5 23:55:03 2003 UTC vs.
Revision 1.84 by jsr166, Sun Oct 4 02:31:15 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 <
181 <    /**
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 <
206 <    /**
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  
220    
326      /**
327 <     *   getLargestPoolSize increases, but doesn't overestimate, when
328 <     *   multiple threads active
329 <     */
330 <    public void testGetLargestPoolSize() {
331 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
332 <        try {
333 <            assertEquals(0, p2.getLargestPoolSize());
334 <            p2.execute(new MediumRunnable());
335 <            p2.execute(new MediumRunnable());
336 <            Thread.sleep(SHORT_DELAY_MS);
337 <            assertEquals(2, p2.getLargestPoolSize());
338 <        } catch(Exception e){
339 <            unexpectedException();
340 <        }
341 <        joinPool(p2);
342 <    }
343 <    
344 <    /**
345 <     *   getMaximumPoolSize returns value given in constructor if not
346 <     *   otherwise set
347 <     */
348 <    public void testGetMaximumPoolSize() {
349 <        ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
350 <        assertEquals(2, p2.getMaximumPoolSize());
351 <        joinPool(p2);
247 <    }
248 <    
249 <    /**
250 <     *   getPoolSize increases, but doesn't overestimate, when threads
251 <     *   become active
252 <     */
253 <    public void testGetPoolSize() {
254 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
255 <        assertEquals(0, p1.getPoolSize());
256 <        p1.execute(new MediumRunnable());
257 <        assertEquals(1, p1.getPoolSize());
258 <        joinPool(p1);
259 <    }
260 <    
261 <    /**
262 <     *  getTaskCount increases, but doesn't overestimate, when tasks submitted
263 <     */
264 <    public void testGetTaskCount() {
265 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
266 <        try {
267 <            assertEquals(0, p1.getTaskCount());
268 <            p1.execute(new MediumRunnable());
269 <            Thread.sleep(SHORT_DELAY_MS);
270 <            assertEquals(1, p1.getTaskCount());
271 <        } catch(Exception e){
272 <            unexpectedException();
273 <        }
274 <        joinPool(p1);
275 <    }
276 <    
277 <    /**
278 <     *   isShutDown is false before shutdown, true after
279 <     */
280 <    public void testIsShutdown() {
281 <        
282 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
283 <        assertFalse(p1.isShutdown());
284 <        p1.shutdown();
285 <        assertTrue(p1.isShutdown());
286 <        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  
289        
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          }
301        try {
302            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
303            assertTrue(p1.isTerminated());
304        } catch(Exception e){
305            unexpectedException();
306        }      
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());
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 >        final CountDownLatch threadStarted = new CountDownLatch(1);
505 >        final CountDownLatch done = new CountDownLatch(1);
506 >        try {
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          } finally {
518 <            p1.shutdown();
518 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
519          }
520 <        try {
521 <            assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
522 <            assertTrue(p1.isTerminated());
324 <            assertFalse(p1.isTerminating());
325 <        } catch(Exception e){
326 <            unexpectedException();
327 <        }      
520 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
521 >        assertTrue(p.isTerminated());
522 >        assertFalse(p.isTerminating());
523      }
524  
525      /**
526       * getQueue returns the work queue, which contains queued tasks
527       */
528 <    public void testGetQueue() {
529 <        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
530 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
531 <        CancellableTask[] tasks = new CancellableTask[5];
532 <        for(int i = 0; i < 5; i++){
533 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
534 <            p1.execute(tasks[i]);
535 <        }
536 <        try {
537 <            Thread.sleep(SHORT_DELAY_MS);
538 <            BlockingQueue<Runnable> wq = p1.getQueue();
539 <            assertSame(q, wq);
540 <            assertFalse(wq.contains(tasks[0]));
541 <            assertTrue(wq.contains(tasks[4]));
542 <            p1.shutdownNow();
543 <        } catch(Exception e) {
544 <            unexpectedException();
528 >    public void testGetQueue() throws InterruptedException {
529 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
530 >        final ThreadPoolExecutor p =
531 >            new ThreadPoolExecutor(1, 1,
532 >                                   LONG_DELAY_MS, MILLISECONDS,
533 >                                   q);
534 >        final CountDownLatch threadStarted = new CountDownLatch(1);
535 >        final CountDownLatch done = new CountDownLatch(1);
536 >        try {
537 >            FutureTask[] tasks = new FutureTask[5];
538 >            for (int i = 0; i < tasks.length; i++) {
539 >                Callable task = new CheckedCallable<Boolean>() {
540 >                    public Boolean realCall() throws InterruptedException {
541 >                        threadStarted.countDown();
542 >                        assertSame(q, p.getQueue());
543 >                        done.await();
544 >                        return Boolean.TRUE;
545 >                    }};
546 >                tasks[i] = new FutureTask(task);
547 >                p.execute(tasks[i]);
548 >            }
549 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
550 >            assertSame(q, p.getQueue());
551 >            assertFalse(q.contains(tasks[0]));
552 >            assertTrue(q.contains(tasks[tasks.length - 1]));
553 >            assertEquals(tasks.length - 1, q.size());
554          } finally {
555 <            joinPool(p1);
555 >            done.countDown();
556 >            joinPool(p);
557          }
558      }
559  
560      /**
561       * remove(task) removes queued task, and fails to remove active task
562       */
563 <    public void testRemove() {
563 >    public void testRemove() throws InterruptedException {
564          BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
565 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
566 <        CancellableTask[] tasks = new CancellableTask[5];
567 <        for(int i = 0; i < 5; i++){
568 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
569 <            p1.execute(tasks[i]);
570 <        }
571 <        try {
572 <            Thread.sleep(SHORT_DELAY_MS);
573 <            assertFalse(p1.remove(tasks[0]));
565 >        final ThreadPoolExecutor p =
566 >            new ThreadPoolExecutor(1, 1,
567 >                                   LONG_DELAY_MS, MILLISECONDS,
568 >                                   q);
569 >        Runnable[] tasks = new Runnable[5];
570 >        final CountDownLatch threadStarted = new CountDownLatch(1);
571 >        final CountDownLatch done = new CountDownLatch(1);
572 >        try {
573 >            for (int i = 0; i < tasks.length; i++) {
574 >                tasks[i] = new CheckedRunnable() {
575 >                    public void realRun() throws InterruptedException {
576 >                        threadStarted.countDown();
577 >                        done.await();
578 >                    }};
579 >                p.execute(tasks[i]);
580 >            }
581 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
582 >            assertFalse(p.remove(tasks[0]));
583              assertTrue(q.contains(tasks[4]));
584              assertTrue(q.contains(tasks[3]));
585 <            assertTrue(p1.remove(tasks[4]));
586 <            assertFalse(p1.remove(tasks[4]));
585 >            assertTrue(p.remove(tasks[4]));
586 >            assertFalse(p.remove(tasks[4]));
587              assertFalse(q.contains(tasks[4]));
588              assertTrue(q.contains(tasks[3]));
589 <            assertTrue(p1.remove(tasks[3]));
589 >            assertTrue(p.remove(tasks[3]));
590              assertFalse(q.contains(tasks[3]));
377            p1.shutdownNow();
378        } catch(Exception e) {
379            unexpectedException();
591          } finally {
592 <            joinPool(p1);
592 >            done.countDown();
593 >            joinPool(p);
594          }
595      }
596  
597      /**
598 <     *   purge removes cancelled tasks from the queue
598 >     * purge removes cancelled tasks from the queue
599       */
600 <    public void testPurge() {
601 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
602 <        CancellableTask[] tasks = new CancellableTask[5];
603 <        for(int i = 0; i < 5; i++){
604 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
605 <            p1.execute(tasks[i]);
600 >    public void testPurge() throws InterruptedException {
601 >        final CountDownLatch threadStarted = new CountDownLatch(1);
602 >        final CountDownLatch done = new CountDownLatch(1);
603 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
604 >        final ThreadPoolExecutor p =
605 >            new ThreadPoolExecutor(1, 1,
606 >                                   LONG_DELAY_MS, MILLISECONDS,
607 >                                   q);
608 >        FutureTask[] tasks = new FutureTask[5];
609 >        try {
610 >            for (int i = 0; i < tasks.length; i++) {
611 >                Callable task = new CheckedCallable<Boolean>() {
612 >                    public Boolean realCall() throws InterruptedException {
613 >                        threadStarted.countDown();
614 >                        done.await();
615 >                        return Boolean.TRUE;
616 >                    }};
617 >                tasks[i] = new FutureTask(task);
618 >                p.execute(tasks[i]);
619 >            }
620 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
621 >            assertEquals(tasks.length, p.getTaskCount());
622 >            assertEquals(tasks.length - 1, q.size());
623 >            assertEquals(1L, p.getActiveCount());
624 >            assertEquals(0L, p.getCompletedTaskCount());
625 >            tasks[4].cancel(true);
626 >            tasks[3].cancel(false);
627 >            p.purge();
628 >            assertEquals(tasks.length - 3, q.size());
629 >            assertEquals(tasks.length - 2, p.getTaskCount());
630 >            p.purge();         // Nothing to do
631 >            assertEquals(tasks.length - 3, q.size());
632 >            assertEquals(tasks.length - 2, p.getTaskCount());
633 >        } finally {
634 >            done.countDown();
635 >            joinPool(p);
636          }
395        tasks[4].cancel(true);
396        tasks[3].cancel(true);
397        p1.purge();
398        long count = p1.getTaskCount();
399        assertTrue(count >= 2 && count < 5);
400        p1.shutdownNow();
401        joinPool(p1);
637      }
638  
639      /**
640 <     *  shutDownNow returns a list containing tasks that were not run
640 >     * shutdownNow returns a list containing tasks that were not run,
641 >     * and those tasks are drained from the queue
642       */
643 <    public void testShutDownNow() {
644 <        ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
645 <        List l;
646 <        try {
647 <            for(int i = 0; i < 5; i++)
648 <                p1.execute(new MediumPossiblyInterruptedRunnable());
649 <        }
650 <        finally {
651 <            l = p1.shutdownNow();
652 <        }
653 <        assertTrue(p1.isShutdown());
654 <        assertTrue(l.size() <= 4);
643 >    public void testShutdownNow() throws InterruptedException {
644 >        final int poolSize = 2;
645 >        final int count = 5;
646 >        final AtomicInteger ran = new AtomicInteger(0);
647 >        final ThreadPoolExecutor p =
648 >            new ThreadPoolExecutor(poolSize, poolSize,
649 >                                   LONG_DELAY_MS, MILLISECONDS,
650 >                                   new ArrayBlockingQueue<Runnable>(10));
651 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
652 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
653 >            threadsStarted.countDown();
654 >            try {
655 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
656 >            } catch (InterruptedException success) {}
657 >            ran.getAndIncrement();
658 >        }};
659 >        for (int i = 0; i < count; i++)
660 >            p.execute(waiter);
661 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
662 >        assertEquals(poolSize, p.getActiveCount());
663 >        assertEquals(0, p.getCompletedTaskCount());
664 >        final List<Runnable> queuedTasks;
665 >        try {
666 >            queuedTasks = p.shutdownNow();
667 >        } catch (SecurityException ok) {
668 >            return; // Allowed in case test doesn't have privs
669 >        }
670 >        assertTrue(p.isShutdown());
671 >        assertTrue(p.getQueue().isEmpty());
672 >        assertEquals(count - poolSize, queuedTasks.size());
673 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
674 >        assertTrue(p.isTerminated());
675 >        assertEquals(poolSize, ran.get());
676 >        assertEquals(poolSize, p.getCompletedTaskCount());
677      }
678  
679      // Exception Tests
422    
680  
681 <    /**
682 <     * Constructor throws if corePoolSize argument is less than zero
681 >    /**
682 >     * Constructor throws if corePoolSize argument is less than zero
683       */
684      public void testConstructor1() {
685          try {
686 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
686 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
687 >                                   new ArrayBlockingQueue<Runnable>(10));
688              shouldThrow();
689 <        }
432 <        catch (IllegalArgumentException success){}
689 >        } catch (IllegalArgumentException success) {}
690      }
691 <    
692 <    /**
693 <     * Constructor throws if maximumPoolSize is less than zero
691 >
692 >    /**
693 >     * Constructor throws if maximumPoolSize is less than zero
694       */
695      public void testConstructor2() {
696          try {
697 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
697 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
698 >                                   new ArrayBlockingQueue<Runnable>(10));
699              shouldThrow();
700 <        }
443 <        catch (IllegalArgumentException success){}
700 >        } catch (IllegalArgumentException success) {}
701      }
702 <    
703 <    /**
704 <     * Constructor throws if maximumPoolSize is equal to zero
702 >
703 >    /**
704 >     * Constructor throws if maximumPoolSize is equal to zero
705       */
706      public void testConstructor3() {
707          try {
708 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
708 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
709 >                                   new ArrayBlockingQueue<Runnable>(10));
710              shouldThrow();
711 <        }
454 <        catch (IllegalArgumentException success){}
711 >        } catch (IllegalArgumentException success) {}
712      }
713  
714 <    /**
715 <     * Constructor throws if keepAliveTime is less than zero
714 >    /**
715 >     * Constructor throws if keepAliveTime is less than zero
716       */
717      public void testConstructor4() {
718          try {
719 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
719 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
720 >                                   new ArrayBlockingQueue<Runnable>(10));
721              shouldThrow();
722 <        }
465 <        catch (IllegalArgumentException success){}
722 >        } catch (IllegalArgumentException success) {}
723      }
724  
725 <    /**
726 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
725 >    /**
726 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
727       */
728      public void testConstructor5() {
729          try {
730 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
730 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
731 >                                   new ArrayBlockingQueue<Runnable>(10));
732              shouldThrow();
733 <        }
476 <        catch (IllegalArgumentException success){}
733 >        } catch (IllegalArgumentException success) {}
734      }
735 <        
736 <    /**
737 <     * Constructor throws if workQueue is set to null
735 >
736 >    /**
737 >     * Constructor throws if workQueue is set to null
738       */
739      public void testConstructorNullPointerException() {
740          try {
741 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
741 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
742 >                                   (BlockingQueue) null);
743              shouldThrow();
744 <        }
487 <        catch (NullPointerException success){}  
744 >        } catch (NullPointerException success) {}
745      }
489    
746  
747 <    
748 <    /**
493 <     * Constructor throws if corePoolSize argument is less than zero
747 >    /**
748 >     * Constructor throws if corePoolSize argument is less than zero
749       */
750      public void testConstructor6() {
751          try {
752 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
752 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
753 >                                   new ArrayBlockingQueue<Runnable>(10),
754 >                                   new SimpleThreadFactory());
755              shouldThrow();
756 <        } catch (IllegalArgumentException success){}
756 >        } catch (IllegalArgumentException success) {}
757      }
758 <    
759 <    /**
760 <     * Constructor throws if maximumPoolSize is less than zero
758 >
759 >    /**
760 >     * Constructor throws if maximumPoolSize is less than zero
761       */
762      public void testConstructor7() {
763          try {
764 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
764 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
765 >                                   new ArrayBlockingQueue<Runnable>(10),
766 >                                   new SimpleThreadFactory());
767              shouldThrow();
768 <        }
510 <        catch (IllegalArgumentException success){}
768 >        } catch (IllegalArgumentException success) {}
769      }
770  
771 <    /**
772 <     * Constructor throws if maximumPoolSize is equal to zero
771 >    /**
772 >     * Constructor throws if maximumPoolSize is equal to zero
773       */
774      public void testConstructor8() {
775          try {
776 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
776 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
777 >                                   new ArrayBlockingQueue<Runnable>(10),
778 >                                   new SimpleThreadFactory());
779              shouldThrow();
780 <        }
521 <        catch (IllegalArgumentException success){}
780 >        } catch (IllegalArgumentException success) {}
781      }
782  
783 <    /**
784 <     * Constructor throws if keepAliveTime is less than zero
783 >    /**
784 >     * Constructor throws if keepAliveTime is less than zero
785       */
786      public void testConstructor9() {
787          try {
788 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
788 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
789 >                                   new ArrayBlockingQueue<Runnable>(10),
790 >                                   new SimpleThreadFactory());
791              shouldThrow();
792 <        }
532 <        catch (IllegalArgumentException success){}
792 >        } catch (IllegalArgumentException success) {}
793      }
794  
795 <    /**
796 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
795 >    /**
796 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
797       */
798      public void testConstructor10() {
799          try {
800 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
800 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
801 >                                   new ArrayBlockingQueue<Runnable>(10),
802 >                                   new SimpleThreadFactory());
803              shouldThrow();
804 <        }
543 <        catch (IllegalArgumentException success){}
804 >        } catch (IllegalArgumentException success) {}
805      }
806  
807 <    /**
808 <     * Constructor throws if workQueue is set to null
807 >    /**
808 >     * Constructor throws if workQueue is set to null
809       */
810      public void testConstructorNullPointerException2() {
811          try {
812 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
812 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
813 >                                   (BlockingQueue) null,
814 >                                   new SimpleThreadFactory());
815              shouldThrow();
816 <        }
554 <        catch (NullPointerException success){}  
816 >        } catch (NullPointerException success) {}
817      }
818  
819 <    /**
820 <     * Constructor throws if threadFactory is set to null
819 >    /**
820 >     * Constructor throws if threadFactory is set to null
821       */
822      public void testConstructorNullPointerException3() {
823          try {
824 <            ThreadFactory f = null;
825 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
824 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
825 >                                   new ArrayBlockingQueue<Runnable>(10),
826 >                                   (ThreadFactory) null);
827              shouldThrow();
828 <        }
566 <        catch (NullPointerException success){}  
828 >        } catch (NullPointerException success) {}
829      }
830 <
831 <    
832 <    /**
571 <     * Constructor throws if corePoolSize argument is less than zero
830 >
831 >    /**
832 >     * Constructor throws if corePoolSize argument is less than zero
833       */
834      public void testConstructor11() {
835          try {
836 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
836 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
837 >                                   new ArrayBlockingQueue<Runnable>(10),
838 >                                   new NoOpREHandler());
839              shouldThrow();
840 <        }
578 <        catch (IllegalArgumentException success){}
840 >        } catch (IllegalArgumentException success) {}
841      }
842  
843 <    /**
844 <     * Constructor throws if maximumPoolSize is less than zero
843 >    /**
844 >     * Constructor throws if maximumPoolSize is less than zero
845       */
846      public void testConstructor12() {
847          try {
848 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
848 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
849 >                                   new ArrayBlockingQueue<Runnable>(10),
850 >                                   new NoOpREHandler());
851              shouldThrow();
852 <        }
589 <        catch (IllegalArgumentException success){}
852 >        } catch (IllegalArgumentException success) {}
853      }
854  
855 <    /**
856 <     * Constructor throws if maximumPoolSize is equal to zero
855 >    /**
856 >     * Constructor throws if maximumPoolSize is equal to zero
857       */
858      public void testConstructor13() {
859          try {
860 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
860 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
861 >                                   new ArrayBlockingQueue<Runnable>(10),
862 >                                   new NoOpREHandler());
863              shouldThrow();
864 <        }
600 <        catch (IllegalArgumentException success){}
864 >        } catch (IllegalArgumentException success) {}
865      }
866  
867 <    /**
868 <     * Constructor throws if keepAliveTime is less than zero
867 >    /**
868 >     * Constructor throws if keepAliveTime is less than zero
869       */
870      public void testConstructor14() {
871          try {
872 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
872 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
873 >                                   new ArrayBlockingQueue<Runnable>(10),
874 >                                   new NoOpREHandler());
875              shouldThrow();
876 <        }
611 <        catch (IllegalArgumentException success){}
876 >        } catch (IllegalArgumentException success) {}
877      }
878  
879 <    /**
880 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
879 >    /**
880 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
881       */
882      public void testConstructor15() {
883          try {
884 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
884 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
885 >                                   new ArrayBlockingQueue<Runnable>(10),
886 >                                   new NoOpREHandler());
887              shouldThrow();
888 <        }
622 <        catch (IllegalArgumentException success){}
888 >        } catch (IllegalArgumentException success) {}
889      }
890  
891 <    /**
892 <     * Constructor throws if workQueue is set to null
891 >    /**
892 >     * Constructor throws if workQueue is set to null
893       */
894      public void testConstructorNullPointerException4() {
895          try {
896 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
896 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
897 >                                   (BlockingQueue) null,
898 >                                   new NoOpREHandler());
899              shouldThrow();
900 <        }
633 <        catch (NullPointerException success){}  
900 >        } catch (NullPointerException success) {}
901      }
902  
903 <    /**
904 <     * Constructor throws if handler is set to null
903 >    /**
904 >     * Constructor throws if handler is set to null
905       */
906      public void testConstructorNullPointerException5() {
907          try {
908 <            RejectedExecutionHandler r = null;
909 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
908 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
909 >                                   new ArrayBlockingQueue<Runnable>(10),
910 >                                   (RejectedExecutionHandler) null);
911              shouldThrow();
912 <        }
645 <        catch (NullPointerException success){}  
912 >        } catch (NullPointerException success) {}
913      }
914  
915 <    
916 <    /**
650 <     * Constructor throws if corePoolSize argument is less than zero
915 >    /**
916 >     * Constructor throws if corePoolSize argument is less than zero
917       */
918      public void testConstructor16() {
919          try {
920 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
920 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
921 >                                   new ArrayBlockingQueue<Runnable>(10),
922 >                                   new SimpleThreadFactory(),
923 >                                   new NoOpREHandler());
924              shouldThrow();
925 <        }
657 <        catch (IllegalArgumentException success){}
925 >        } catch (IllegalArgumentException success) {}
926      }
927  
928 <    /**
929 <     * Constructor throws if maximumPoolSize is less than zero
928 >    /**
929 >     * Constructor throws if maximumPoolSize is less than zero
930       */
931      public void testConstructor17() {
932          try {
933 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
933 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
934 >                                   new ArrayBlockingQueue<Runnable>(10),
935 >                                   new SimpleThreadFactory(),
936 >                                   new NoOpREHandler());
937              shouldThrow();
938 <        }
668 <        catch (IllegalArgumentException success){}
938 >        } catch (IllegalArgumentException success) {}
939      }
940  
941 <    /**
942 <     * Constructor throws if maximumPoolSize is equal to zero
941 >    /**
942 >     * Constructor throws if maximumPoolSize is equal to zero
943       */
944      public void testConstructor18() {
945          try {
946 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
946 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
947 >                                   new ArrayBlockingQueue<Runnable>(10),
948 >                                   new SimpleThreadFactory(),
949 >                                   new NoOpREHandler());
950              shouldThrow();
951 <        }
679 <        catch (IllegalArgumentException success){}
951 >        } catch (IllegalArgumentException success) {}
952      }
953  
954 <    /**
955 <     * Constructor throws if keepAliveTime is less than zero
954 >    /**
955 >     * Constructor throws if keepAliveTime is less than zero
956       */
957      public void testConstructor19() {
958          try {
959 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
959 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
960 >                                   new ArrayBlockingQueue<Runnable>(10),
961 >                                   new SimpleThreadFactory(),
962 >                                   new NoOpREHandler());
963              shouldThrow();
964 <        }
690 <        catch (IllegalArgumentException success){}
964 >        } catch (IllegalArgumentException success) {}
965      }
966  
967 <    /**
968 <     * Constructor throws if corePoolSize is greater than the maximumPoolSize
967 >    /**
968 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
969       */
970      public void testConstructor20() {
971          try {
972 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
972 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
973 >                                   new ArrayBlockingQueue<Runnable>(10),
974 >                                   new SimpleThreadFactory(),
975 >                                   new NoOpREHandler());
976              shouldThrow();
977 <        }
701 <        catch (IllegalArgumentException success){}
977 >        } catch (IllegalArgumentException success) {}
978      }
979  
980 <    /**
981 <     * Constructor throws if workQueue is set to null
980 >    /**
981 >     * Constructor throws if workQueue is null
982       */
983      public void testConstructorNullPointerException6() {
984          try {
985 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
985 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
986 >                                   (BlockingQueue) null,
987 >                                   new SimpleThreadFactory(),
988 >                                   new NoOpREHandler());
989              shouldThrow();
990 <        }
712 <        catch (NullPointerException success){}  
990 >        } catch (NullPointerException success) {}
991      }
992  
993 <    /**
994 <     * Constructor throws if handler is set to null
993 >    /**
994 >     * Constructor throws if handler is null
995       */
996      public void testConstructorNullPointerException7() {
997          try {
998 <            RejectedExecutionHandler r = null;
999 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
998 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
999 >                                   new ArrayBlockingQueue<Runnable>(10),
1000 >                                   new SimpleThreadFactory(),
1001 >                                   (RejectedExecutionHandler) null);
1002              shouldThrow();
1003 <        }
724 <        catch (NullPointerException success){}  
1003 >        } catch (NullPointerException success) {}
1004      }
1005  
1006 <    /**
1007 <     * Constructor throws if ThreadFactory is set top null
1006 >    /**
1007 >     * Constructor throws if ThreadFactory is null
1008       */
1009      public void testConstructorNullPointerException8() {
1010          try {
1011 <            ThreadFactory f = null;
1012 <            new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
1013 <            shouldThrow();
1011 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1012 >                                   new ArrayBlockingQueue<Runnable>(10),
1013 >                                   (ThreadFactory) null,
1014 >                                   new NoOpREHandler());
1015 >            shouldThrow();
1016 >        } catch (NullPointerException success) {}
1017 >    }
1018 >
1019 >    /**
1020 >     * get of submitted callable throws InterruptedException if interrupted
1021 >     */
1022 >    public void testInterruptedSubmit() throws InterruptedException {
1023 >        final ThreadPoolExecutor p =
1024 >            new ThreadPoolExecutor(1, 1,
1025 >                                   60, SECONDS,
1026 >                                   new ArrayBlockingQueue<Runnable>(10));
1027 >
1028 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1029 >        final CountDownLatch done = new CountDownLatch(1);
1030 >        try {
1031 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1032 >                public void realRun() throws Exception {
1033 >                    Callable task = new CheckedCallable<Boolean>() {
1034 >                        public Boolean realCall() throws InterruptedException {
1035 >                            threadStarted.countDown();
1036 >                            done.await();
1037 >                            return Boolean.TRUE;
1038 >                        }};
1039 >                    p.submit(task).get();
1040 >                }});
1041 >
1042 >            assertTrue(threadStarted.await(MEDIUM_DELAY_MS, MILLISECONDS));
1043 >            t.interrupt();
1044 >            awaitTermination(t, MEDIUM_DELAY_MS);
1045 >        } finally {
1046 >            done.countDown();
1047 >            joinPool(p);
1048          }
736        catch (NullPointerException successdn8){}  
1049      }
738    
1050  
1051      /**
1052 <     *  execute throws RejectedExecutionException
742 <     *  if saturated.
1052 >     * execute throws RejectedExecutionException if saturated.
1053       */
1054      public void testSaturatedExecute() {
1055 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
1056 <        try {
1057 <            
1058 <            for(int i = 0; i < 5; ++i){
1059 <                p.execute(new MediumRunnable());
1055 >        ThreadPoolExecutor p =
1056 >            new ThreadPoolExecutor(1, 1,
1057 >                                   LONG_DELAY_MS, MILLISECONDS,
1058 >                                   new ArrayBlockingQueue<Runnable>(1));
1059 >        final CountDownLatch done = new CountDownLatch(1);
1060 >        try {
1061 >            Runnable task = new CheckedRunnable() {
1062 >                public void realRun() throws InterruptedException {
1063 >                    done.await();
1064 >                }};
1065 >            for (int i = 0; i < 2; ++i)
1066 >                p.execute(task);
1067 >            for (int i = 0; i < 2; ++i) {
1068 >                try {
1069 >                    p.execute(task);
1070 >                    shouldThrow();
1071 >                } catch (RejectedExecutionException success) {}
1072 >                assertTrue(p.getTaskCount() <= 2);
1073              }
1074 <            shouldThrow();
1075 <        } catch(RejectedExecutionException success){}
1076 <        joinPool(p);
1074 >        } finally {
1075 >            done.countDown();
1076 >            joinPool(p);
1077 >        }
1078 >    }
1079 >
1080 >    /**
1081 >     * submit(runnable) throws RejectedExecutionException if saturated.
1082 >     */
1083 >    public void testSaturatedSubmitRunnable() {
1084 >        ThreadPoolExecutor p =
1085 >            new ThreadPoolExecutor(1, 1,
1086 >                                   LONG_DELAY_MS, MILLISECONDS,
1087 >                                   new ArrayBlockingQueue<Runnable>(1));
1088 >        final CountDownLatch done = new CountDownLatch(1);
1089 >        try {
1090 >            Runnable task = new CheckedRunnable() {
1091 >                public void realRun() throws InterruptedException {
1092 >                    done.await();
1093 >                }};
1094 >            for (int i = 0; i < 2; ++i)
1095 >                p.submit(task);
1096 >            for (int i = 0; i < 2; ++i) {
1097 >                try {
1098 >                    p.execute(task);
1099 >                    shouldThrow();
1100 >                } catch (RejectedExecutionException success) {}
1101 >                assertTrue(p.getTaskCount() <= 2);
1102 >            }
1103 >        } finally {
1104 >            done.countDown();
1105 >            joinPool(p);
1106 >        }
1107 >    }
1108 >
1109 >    /**
1110 >     * submit(callable) throws RejectedExecutionException if saturated.
1111 >     */
1112 >    public void testSaturatedSubmitCallable() {
1113 >        ThreadPoolExecutor p =
1114 >            new ThreadPoolExecutor(1, 1,
1115 >                                   LONG_DELAY_MS, MILLISECONDS,
1116 >                                   new ArrayBlockingQueue<Runnable>(1));
1117 >        final CountDownLatch done = new CountDownLatch(1);
1118 >        try {
1119 >            Runnable task = new CheckedRunnable() {
1120 >                public void realRun() throws InterruptedException {
1121 >                    done.await();
1122 >                }};
1123 >            for (int i = 0; i < 2; ++i)
1124 >                p.submit(Executors.callable(task));
1125 >            for (int i = 0; i < 2; ++i) {
1126 >                try {
1127 >                    p.execute(task);
1128 >                    shouldThrow();
1129 >                } catch (RejectedExecutionException success) {}
1130 >                assertTrue(p.getTaskCount() <= 2);
1131 >            }
1132 >        } finally {
1133 >            done.countDown();
1134 >            joinPool(p);
1135 >        }
1136      }
1137  
1138      /**
1139 <     *  executor using CallerRunsPolicy runs task if saturated.
1139 >     * executor using CallerRunsPolicy runs task if saturated.
1140       */
1141      public void testSaturatedExecute2() {
1142          RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1143 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1143 >        final ThreadPoolExecutor p =
1144 >            new ThreadPoolExecutor(1, 1,
1145 >                                   LONG_DELAY_MS,
1146 >                                   MILLISECONDS,
1147 >                                   new ArrayBlockingQueue<Runnable>(1),
1148 >                                   h);
1149          try {
763            
1150              TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1151 <            for(int i = 0; i < 5; ++i){
1151 >            for (int i = 0; i < tasks.length; ++i)
1152                  tasks[i] = new TrackedNoOpRunnable();
767            }
1153              TrackedLongRunnable mr = new TrackedLongRunnable();
1154              p.execute(mr);
1155 <            for(int i = 0; i < 5; ++i){
1155 >            for (int i = 0; i < tasks.length; ++i)
1156                  p.execute(tasks[i]);
1157 <            }
773 <            for(int i = 1; i < 5; ++i) {
1157 >            for (int i = 1; i < tasks.length; ++i)
1158                  assertTrue(tasks[i].done);
1159 <            }
776 <            p.shutdownNow();
777 <        } catch(RejectedExecutionException ex){
778 <            unexpectedException();
1159 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1160          } finally {
1161              joinPool(p);
1162          }
1163      }
1164  
1165      /**
1166 <     *  executor using DiscardPolicy drops task if saturated.
1166 >     * executor using DiscardPolicy drops task if saturated.
1167       */
1168      public void testSaturatedExecute3() {
1169          RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1170 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1170 >        final ThreadPoolExecutor p =
1171 >            new ThreadPoolExecutor(1, 1,
1172 >                                   LONG_DELAY_MS, MILLISECONDS,
1173 >                                   new ArrayBlockingQueue<Runnable>(1),
1174 >                                   h);
1175          try {
791            
1176              TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1177 <            for(int i = 0; i < 5; ++i){
1177 >            for (int i = 0; i < tasks.length; ++i)
1178                  tasks[i] = new TrackedNoOpRunnable();
795            }
1179              p.execute(new TrackedLongRunnable());
1180 <            for(int i = 0; i < 5; ++i){
1181 <                p.execute(tasks[i]);
1182 <            }
1183 <            for(int i = 0; i < 5; ++i){
1184 <                assertFalse(tasks[i].done);
802 <            }
803 <            p.shutdownNow();
804 <        } catch(RejectedExecutionException ex){
805 <            unexpectedException();
1180 >            for (TrackedNoOpRunnable task : tasks)
1181 >                p.execute(task);
1182 >            for (TrackedNoOpRunnable task : tasks)
1183 >                assertFalse(task.done);
1184 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1185          } finally {
1186              joinPool(p);
1187          }
1188      }
1189  
1190      /**
1191 <     *  executor using DiscardOldestPolicy drops oldest task if saturated.
1191 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1192       */
1193      public void testSaturatedExecute4() {
1194          RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1195 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1195 >        final ThreadPoolExecutor p =
1196 >            new ThreadPoolExecutor(1, 1,
1197 >                                   LONG_DELAY_MS, MILLISECONDS,
1198 >                                   new ArrayBlockingQueue<Runnable>(1),
1199 >                                   h);
1200          try {
1201              p.execute(new TrackedLongRunnable());
1202              TrackedLongRunnable r2 = new TrackedLongRunnable();
# Line 823 | Line 1206 | public class ThreadPoolExecutorTest exte
1206              p.execute(r3);
1207              assertFalse(p.getQueue().contains(r2));
1208              assertTrue(p.getQueue().contains(r3));
1209 <            p.shutdownNow();
827 <        } catch(RejectedExecutionException ex){
828 <            unexpectedException();
1209 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1210          } finally {
1211              joinPool(p);
1212          }
1213      }
1214  
1215      /**
1216 <     *  execute throws RejectedExecutionException if shutdown
1216 >     * execute throws RejectedExecutionException if shutdown
1217       */
1218      public void testRejectedExecutionExceptionOnShutdown() {
1219 <        ThreadPoolExecutor tpe =
1220 <            new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1221 <        tpe.shutdown();
1222 <        try {
1223 <            tpe.execute(new NoOpRunnable());
1224 <            shouldThrow();
1225 <        } catch(RejectedExecutionException success){}
1226 <        
1227 <        joinPool(tpe);
1219 >        ThreadPoolExecutor p =
1220 >            new ThreadPoolExecutor(1, 1,
1221 >                                   LONG_DELAY_MS, MILLISECONDS,
1222 >                                   new ArrayBlockingQueue<Runnable>(1));
1223 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1224 >        try {
1225 >            p.execute(new NoOpRunnable());
1226 >            shouldThrow();
1227 >        } catch (RejectedExecutionException success) {}
1228 >
1229 >        joinPool(p);
1230      }
1231  
1232      /**
1233 <     *  execute using CallerRunsPolicy drops task on shutdown
1233 >     * execute using CallerRunsPolicy drops task on shutdown
1234       */
1235      public void testCallerRunsOnShutdown() {
1236          RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1237 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1237 >        final ThreadPoolExecutor p =
1238 >            new ThreadPoolExecutor(1, 1,
1239 >                                   LONG_DELAY_MS, MILLISECONDS,
1240 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1241  
1242 <        p.shutdown();
1243 <        try {
1242 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1243 >        try {
1244              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1245 <            p.execute(r);
1245 >            p.execute(r);
1246              assertFalse(r.done);
861        } catch(RejectedExecutionException success){
862            unexpectedException();
1247          } finally {
1248              joinPool(p);
1249          }
1250      }
1251  
1252      /**
1253 <     *  execute using DiscardPolicy drops task on shutdown
1253 >     * execute using DiscardPolicy drops task on shutdown
1254       */
1255      public void testDiscardOnShutdown() {
1256          RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1257 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1257 >        ThreadPoolExecutor p =
1258 >            new ThreadPoolExecutor(1, 1,
1259 >                                   LONG_DELAY_MS, MILLISECONDS,
1260 >                                   new ArrayBlockingQueue<Runnable>(1),
1261 >                                   h);
1262  
1263 <        p.shutdown();
1264 <        try {
1263 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1264 >        try {
1265              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1266 <            p.execute(r);
1266 >            p.execute(r);
1267              assertFalse(r.done);
880        } catch(RejectedExecutionException success){
881            unexpectedException();
1268          } finally {
1269              joinPool(p);
1270          }
1271      }
1272  
887
1273      /**
1274 <     *  execute using DiscardOldestPolicy drops task on shutdown
1274 >     * execute using DiscardOldestPolicy drops task on shutdown
1275       */
1276      public void testDiscardOldestOnShutdown() {
1277          RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1278 <        ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
1278 >        ThreadPoolExecutor p =
1279 >            new ThreadPoolExecutor(1, 1,
1280 >                                   LONG_DELAY_MS, MILLISECONDS,
1281 >                                   new ArrayBlockingQueue<Runnable>(1),
1282 >                                   h);
1283  
1284 <        p.shutdown();
1285 <        try {
1284 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1285 >        try {
1286              TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1287 <            p.execute(r);
1287 >            p.execute(r);
1288              assertFalse(r.done);
900        } catch(RejectedExecutionException success){
901            unexpectedException();
1289          } finally {
1290              joinPool(p);
1291          }
1292      }
1293  
907
1294      /**
1295 <     *  execute (null) throws NPE
1295 >     * execute(null) throws NPE
1296       */
1297      public void testExecuteNull() {
1298 <        ThreadPoolExecutor tpe = null;
1298 >        ThreadPoolExecutor p =
1299 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1300 >                                   new ArrayBlockingQueue<Runnable>(10));
1301          try {
1302 <            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
915 <            tpe.execute(null);
1302 >            p.execute(null);
1303              shouldThrow();
1304 <        } catch(NullPointerException success){}
1305 <        
1306 <        joinPool(tpe);
1304 >        } catch (NullPointerException success) {}
1305 >
1306 >        joinPool(p);
1307      }
1308 <    
1308 >
1309      /**
1310 <     *  setCorePoolSize of negative value throws IllegalArgumentException
1310 >     * setCorePoolSize of negative value throws IllegalArgumentException
1311       */
1312      public void testCorePoolSizeIllegalArgumentException() {
1313 <        ThreadPoolExecutor tpe = null;
1314 <        try {
1315 <            tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1316 <        } catch(Exception e){}
930 <        try {
931 <            tpe.setCorePoolSize(-1);
932 <            shouldThrow();
933 <        } catch(IllegalArgumentException success){
934 <        } finally {
935 <            tpe.shutdown();
936 <        }
937 <        joinPool(tpe);
938 <    }  
939 <
940 <    /**
941 <     *  setMaximumPoolSize(int) throws IllegalArgumentException if
942 <     *  given a value less the core pool size
943 <     */  
944 <    public void testMaximumPoolSizeIllegalArgumentException() {
945 <        ThreadPoolExecutor tpe = null;
1313 >        ThreadPoolExecutor p =
1314 >            new ThreadPoolExecutor(1, 2,
1315 >                                   LONG_DELAY_MS, MILLISECONDS,
1316 >                                   new ArrayBlockingQueue<Runnable>(10));
1317          try {
1318 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1319 <        } catch(Exception e){}
1318 >            p.setCorePoolSize(-1);
1319 >            shouldThrow();
1320 >        } catch (IllegalArgumentException success) {
1321 >        } finally {
1322 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1323 >        }
1324 >        joinPool(p);
1325 >    }
1326 >
1327 >    /**
1328 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1329 >     * given a value less the core pool size
1330 >     */
1331 >    public void testMaximumPoolSizeIllegalArgumentException() {
1332 >        ThreadPoolExecutor p =
1333 >            new ThreadPoolExecutor(2, 3,
1334 >                                   LONG_DELAY_MS, MILLISECONDS,
1335 >                                   new ArrayBlockingQueue<Runnable>(10));
1336          try {
1337 <            tpe.setMaximumPoolSize(1);
1337 >            p.setMaximumPoolSize(1);
1338              shouldThrow();
1339 <        } catch(IllegalArgumentException success){
1339 >        } catch (IllegalArgumentException success) {
1340          } finally {
1341 <            tpe.shutdown();
1341 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1342          }
1343 <        joinPool(tpe);
1343 >        joinPool(p);
1344      }
1345 <    
1345 >
1346      /**
1347 <     *  setMaximumPoolSize throws IllegalArgumentException
1348 <     *  if given a negative value
1347 >     * setMaximumPoolSize throws IllegalArgumentException
1348 >     * if given a negative value
1349       */
1350      public void testMaximumPoolSizeIllegalArgumentException2() {
1351 <        ThreadPoolExecutor tpe = null;
1351 >        ThreadPoolExecutor p =
1352 >            new ThreadPoolExecutor(2, 3,
1353 >                                   LONG_DELAY_MS, MILLISECONDS,
1354 >                                   new ArrayBlockingQueue<Runnable>(10));
1355          try {
1356 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
967 <        } catch(Exception e){}
968 <        try {
969 <            tpe.setMaximumPoolSize(-1);
1356 >            p.setMaximumPoolSize(-1);
1357              shouldThrow();
1358 <        } catch(IllegalArgumentException success){
1358 >        } catch (IllegalArgumentException success) {
1359          } finally {
1360 <            tpe.shutdown();
1360 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1361          }
1362 <        joinPool(tpe);
1362 >        joinPool(p);
1363      }
977    
1364  
1365      /**
1366 <     *  setKeepAliveTime  throws IllegalArgumentException
1367 <     *  when given a negative value
1366 >     * Configuration changes that allow core pool size greater than
1367 >     * max pool size result in IllegalArgumentException.
1368 >     */
1369 >    public void testPoolSizeInvariants() {
1370 >        ThreadPoolExecutor p =
1371 >            new ThreadPoolExecutor(1, 1,
1372 >                                   LONG_DELAY_MS, MILLISECONDS,
1373 >                                   new ArrayBlockingQueue<Runnable>(10));
1374 >        for (int s = 1; s < 5; s++) {
1375 >            p.setMaximumPoolSize(s);
1376 >            p.setCorePoolSize(s);
1377 >            try {
1378 >                p.setMaximumPoolSize(s - 1);
1379 >                shouldThrow();
1380 >            } catch (IllegalArgumentException success) {}
1381 >            assertEquals(s, p.getCorePoolSize());
1382 >            assertEquals(s, p.getMaximumPoolSize());
1383 >            try {
1384 >                p.setCorePoolSize(s + 1);
1385 >                shouldThrow();
1386 >            } catch (IllegalArgumentException success) {}
1387 >            assertEquals(s, p.getCorePoolSize());
1388 >            assertEquals(s, p.getMaximumPoolSize());
1389 >        }
1390 >        joinPool(p);
1391 >    }
1392 >
1393 >    /**
1394 >     * setKeepAliveTime throws IllegalArgumentException
1395 >     * when given a negative value
1396       */
1397      public void testKeepAliveTimeIllegalArgumentException() {
1398 <        ThreadPoolExecutor tpe = null;
1398 >        ThreadPoolExecutor p =
1399 >            new ThreadPoolExecutor(2, 3,
1400 >                                   LONG_DELAY_MS, MILLISECONDS,
1401 >                                   new ArrayBlockingQueue<Runnable>(10));
1402          try {
1403 <            tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
987 <        } catch(Exception e){}
988 <        
989 <        try {
990 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1403 >            p.setKeepAliveTime(-1,MILLISECONDS);
1404              shouldThrow();
1405 <        } catch(IllegalArgumentException success){
1405 >        } catch (IllegalArgumentException success) {
1406          } finally {
1407 <            tpe.shutdown();
1407 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1408          }
1409 <        joinPool(tpe);
1409 >        joinPool(p);
1410      }
1411  
1412      /**
1413       * terminated() is called on termination
1414       */
1415      public void testTerminated() {
1416 <        ExtendedTPE tpe = new ExtendedTPE();
1417 <        tpe.shutdown();
1418 <        assertTrue(tpe.terminatedCalled);
1419 <        joinPool(tpe);
1416 >        ExtendedTPE p = new ExtendedTPE();
1417 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1418 >        assertTrue(p.terminatedCalled());
1419 >        joinPool(p);
1420      }
1421  
1422      /**
1423       * beforeExecute and afterExecute are called when executing task
1424       */
1425 <    public void testBeforeAfter() {
1426 <        ExtendedTPE tpe = new ExtendedTPE();
1425 >    public void testBeforeAfter() throws InterruptedException {
1426 >        ExtendedTPE p = new ExtendedTPE();
1427          try {
1428 <            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1429 <            tpe.execute(r);
1430 <            Thread.sleep(SHORT_DELAY_MS);
1431 <            assertTrue(r.done);
1432 <            assertTrue(tpe.beforeCalled);
1433 <            assertTrue(tpe.afterCalled);
1434 <            tpe.shutdown();
1428 >            final CountDownLatch done = new CountDownLatch(1);
1429 >            p.execute(new CheckedRunnable() {
1430 >                public void realRun() {
1431 >                    done.countDown();
1432 >                }});
1433 >            await(p.afterCalled);
1434 >            assertEquals(0, done.getCount());
1435 >            assertTrue(p.afterCalled());
1436 >            assertTrue(p.beforeCalled());
1437 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1438 >        } finally {
1439 >            joinPool(p);
1440 >        }
1441 >    }
1442 >
1443 >    /**
1444 >     * completed submit of callable returns result
1445 >     */
1446 >    public void testSubmitCallable() throws Exception {
1447 >        ExecutorService e =
1448 >            new ThreadPoolExecutor(2, 2,
1449 >                                   LONG_DELAY_MS, MILLISECONDS,
1450 >                                   new ArrayBlockingQueue<Runnable>(10));
1451 >        try {
1452 >            Future<String> future = e.submit(new StringTask());
1453 >            String result = future.get();
1454 >            assertSame(TEST_STRING, result);
1455 >        } finally {
1456 >            joinPool(e);
1457 >        }
1458 >    }
1459 >
1460 >    /**
1461 >     * completed submit of runnable returns successfully
1462 >     */
1463 >    public void testSubmitRunnable() throws Exception {
1464 >        ExecutorService e =
1465 >            new ThreadPoolExecutor(2, 2,
1466 >                                   LONG_DELAY_MS, MILLISECONDS,
1467 >                                   new ArrayBlockingQueue<Runnable>(10));
1468 >        try {
1469 >            Future<?> future = e.submit(new NoOpRunnable());
1470 >            future.get();
1471 >            assertTrue(future.isDone());
1472 >        } finally {
1473 >            joinPool(e);
1474 >        }
1475 >    }
1476 >
1477 >    /**
1478 >     * completed submit of (runnable, result) returns result
1479 >     */
1480 >    public void testSubmitRunnable2() throws Exception {
1481 >        ExecutorService e =
1482 >            new ThreadPoolExecutor(2, 2,
1483 >                                   LONG_DELAY_MS, MILLISECONDS,
1484 >                                   new ArrayBlockingQueue<Runnable>(10));
1485 >        try {
1486 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1487 >            String result = future.get();
1488 >            assertSame(TEST_STRING, result);
1489 >        } finally {
1490 >            joinPool(e);
1491 >        }
1492 >    }
1493 >
1494 >    /**
1495 >     * invokeAny(null) throws NPE
1496 >     */
1497 >    public void testInvokeAny1() throws Exception {
1498 >        ExecutorService e =
1499 >            new ThreadPoolExecutor(2, 2,
1500 >                                   LONG_DELAY_MS, MILLISECONDS,
1501 >                                   new ArrayBlockingQueue<Runnable>(10));
1502 >        try {
1503 >            e.invokeAny(null);
1504 >            shouldThrow();
1505 >        } catch (NullPointerException success) {
1506 >        } finally {
1507 >            joinPool(e);
1508 >        }
1509 >    }
1510 >
1511 >    /**
1512 >     * invokeAny(empty collection) throws IAE
1513 >     */
1514 >    public void testInvokeAny2() throws Exception {
1515 >        ExecutorService e =
1516 >            new ThreadPoolExecutor(2, 2,
1517 >                                   LONG_DELAY_MS, MILLISECONDS,
1518 >                                   new ArrayBlockingQueue<Runnable>(10));
1519 >        try {
1520 >            e.invokeAny(new ArrayList<Callable<String>>());
1521 >            shouldThrow();
1522 >        } catch (IllegalArgumentException success) {
1523 >        } finally {
1524 >            joinPool(e);
1525 >        }
1526 >    }
1527 >
1528 >    /**
1529 >     * invokeAny(c) throws NPE if c has null elements
1530 >     */
1531 >    public void testInvokeAny3() throws Exception {
1532 >        final CountDownLatch latch = new CountDownLatch(1);
1533 >        final ExecutorService e =
1534 >            new ThreadPoolExecutor(2, 2,
1535 >                                   LONG_DELAY_MS, MILLISECONDS,
1536 >                                   new ArrayBlockingQueue<Runnable>(10));
1537 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1538 >        l.add(latchAwaitingStringTask(latch));
1539 >        l.add(null);
1540 >        try {
1541 >            e.invokeAny(l);
1542 >            shouldThrow();
1543 >        } catch (NullPointerException success) {
1544 >        } finally {
1545 >            latch.countDown();
1546 >            joinPool(e);
1547 >        }
1548 >    }
1549 >
1550 >    /**
1551 >     * invokeAny(c) throws ExecutionException if no task completes
1552 >     */
1553 >    public void testInvokeAny4() throws Exception {
1554 >        ExecutorService e =
1555 >            new ThreadPoolExecutor(2, 2,
1556 >                                   LONG_DELAY_MS, MILLISECONDS,
1557 >                                   new ArrayBlockingQueue<Runnable>(10));
1558 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1559 >        l.add(new NPETask());
1560 >        try {
1561 >            e.invokeAny(l);
1562 >            shouldThrow();
1563 >        } catch (ExecutionException success) {
1564 >            assertTrue(success.getCause() instanceof NullPointerException);
1565 >        } finally {
1566 >            joinPool(e);
1567 >        }
1568 >    }
1569 >
1570 >    /**
1571 >     * invokeAny(c) returns result of some task
1572 >     */
1573 >    public void testInvokeAny5() throws Exception {
1574 >        ExecutorService e =
1575 >            new ThreadPoolExecutor(2, 2,
1576 >                                   LONG_DELAY_MS, MILLISECONDS,
1577 >                                   new ArrayBlockingQueue<Runnable>(10));
1578 >        try {
1579 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1580 >            l.add(new StringTask());
1581 >            l.add(new StringTask());
1582 >            String result = e.invokeAny(l);
1583 >            assertSame(TEST_STRING, result);
1584 >        } finally {
1585 >            joinPool(e);
1586          }
1587 <        catch(Exception ex) {
1588 <            unexpectedException();
1587 >    }
1588 >
1589 >    /**
1590 >     * invokeAll(null) throws NPE
1591 >     */
1592 >    public void testInvokeAll1() throws Exception {
1593 >        ExecutorService e =
1594 >            new ThreadPoolExecutor(2, 2,
1595 >                                   LONG_DELAY_MS, MILLISECONDS,
1596 >                                   new ArrayBlockingQueue<Runnable>(10));
1597 >        try {
1598 >            e.invokeAll(null);
1599 >            shouldThrow();
1600 >        } catch (NullPointerException success) {
1601          } finally {
1602 <            joinPool(tpe);
1602 >            joinPool(e);
1603          }
1604      }
1605 +
1606 +    /**
1607 +     * invokeAll(empty collection) returns empty collection
1608 +     */
1609 +    public void testInvokeAll2() throws InterruptedException {
1610 +        ExecutorService e =
1611 +            new ThreadPoolExecutor(2, 2,
1612 +                                   LONG_DELAY_MS, MILLISECONDS,
1613 +                                   new ArrayBlockingQueue<Runnable>(10));
1614 +        try {
1615 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1616 +            assertTrue(r.isEmpty());
1617 +        } finally {
1618 +            joinPool(e);
1619 +        }
1620 +    }
1621 +
1622 +    /**
1623 +     * invokeAll(c) throws NPE if c has null elements
1624 +     */
1625 +    public void testInvokeAll3() throws Exception {
1626 +        ExecutorService e =
1627 +            new ThreadPoolExecutor(2, 2,
1628 +                                   LONG_DELAY_MS, MILLISECONDS,
1629 +                                   new ArrayBlockingQueue<Runnable>(10));
1630 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1631 +        l.add(new StringTask());
1632 +        l.add(null);
1633 +        try {
1634 +            e.invokeAll(l);
1635 +            shouldThrow();
1636 +        } catch (NullPointerException success) {
1637 +        } finally {
1638 +            joinPool(e);
1639 +        }
1640 +    }
1641 +
1642 +    /**
1643 +     * get of element of invokeAll(c) throws exception on failed task
1644 +     */
1645 +    public void testInvokeAll4() throws Exception {
1646 +        ExecutorService e =
1647 +            new ThreadPoolExecutor(2, 2,
1648 +                                   LONG_DELAY_MS, MILLISECONDS,
1649 +                                   new ArrayBlockingQueue<Runnable>(10));
1650 +        try {
1651 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1652 +            l.add(new NPETask());
1653 +            List<Future<String>> futures = e.invokeAll(l);
1654 +            assertEquals(1, futures.size());
1655 +            try {
1656 +                futures.get(0).get();
1657 +                shouldThrow();
1658 +            } catch (ExecutionException success) {
1659 +                assertTrue(success.getCause() instanceof NullPointerException);
1660 +            }
1661 +        } finally {
1662 +            joinPool(e);
1663 +        }
1664 +    }
1665 +
1666 +    /**
1667 +     * invokeAll(c) returns results of all completed tasks
1668 +     */
1669 +    public void testInvokeAll5() throws Exception {
1670 +        ExecutorService e =
1671 +            new ThreadPoolExecutor(2, 2,
1672 +                                   LONG_DELAY_MS, MILLISECONDS,
1673 +                                   new ArrayBlockingQueue<Runnable>(10));
1674 +        try {
1675 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1676 +            l.add(new StringTask());
1677 +            l.add(new StringTask());
1678 +            List<Future<String>> futures = e.invokeAll(l);
1679 +            assertEquals(2, futures.size());
1680 +            for (Future<String> future : futures)
1681 +                assertSame(TEST_STRING, future.get());
1682 +        } finally {
1683 +            joinPool(e);
1684 +        }
1685 +    }
1686 +
1687 +    /**
1688 +     * timed invokeAny(null) throws NPE
1689 +     */
1690 +    public void testTimedInvokeAny1() throws Exception {
1691 +        ExecutorService e =
1692 +            new ThreadPoolExecutor(2, 2,
1693 +                                   LONG_DELAY_MS, MILLISECONDS,
1694 +                                   new ArrayBlockingQueue<Runnable>(10));
1695 +        try {
1696 +            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1697 +            shouldThrow();
1698 +        } catch (NullPointerException success) {
1699 +        } finally {
1700 +            joinPool(e);
1701 +        }
1702 +    }
1703 +
1704 +    /**
1705 +     * timed invokeAny(,,null) throws NPE
1706 +     */
1707 +    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1708 +        ExecutorService e =
1709 +            new ThreadPoolExecutor(2, 2,
1710 +                                   LONG_DELAY_MS, MILLISECONDS,
1711 +                                   new ArrayBlockingQueue<Runnable>(10));
1712 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1713 +        l.add(new StringTask());
1714 +        try {
1715 +            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1716 +            shouldThrow();
1717 +        } catch (NullPointerException success) {
1718 +        } finally {
1719 +            joinPool(e);
1720 +        }
1721 +    }
1722 +
1723 +    /**
1724 +     * timed invokeAny(empty collection) throws IAE
1725 +     */
1726 +    public void testTimedInvokeAny2() throws Exception {
1727 +        ExecutorService e =
1728 +            new ThreadPoolExecutor(2, 2,
1729 +                                   LONG_DELAY_MS, MILLISECONDS,
1730 +                                   new ArrayBlockingQueue<Runnable>(10));
1731 +        try {
1732 +            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1733 +            shouldThrow();
1734 +        } catch (IllegalArgumentException success) {
1735 +        } finally {
1736 +            joinPool(e);
1737 +        }
1738 +    }
1739 +
1740 +    /**
1741 +     * timed invokeAny(c) throws NPE if c has null elements
1742 +     */
1743 +    public void testTimedInvokeAny3() throws Exception {
1744 +        final CountDownLatch latch = new CountDownLatch(1);
1745 +        final ExecutorService e =
1746 +            new ThreadPoolExecutor(2, 2,
1747 +                                   LONG_DELAY_MS, MILLISECONDS,
1748 +                                   new ArrayBlockingQueue<Runnable>(10));
1749 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1750 +        l.add(latchAwaitingStringTask(latch));
1751 +        l.add(null);
1752 +        try {
1753 +            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1754 +            shouldThrow();
1755 +        } catch (NullPointerException success) {
1756 +        } finally {
1757 +            latch.countDown();
1758 +            joinPool(e);
1759 +        }
1760 +    }
1761 +
1762 +    /**
1763 +     * timed invokeAny(c) throws ExecutionException if no task completes
1764 +     */
1765 +    public void testTimedInvokeAny4() throws Exception {
1766 +        ExecutorService e =
1767 +            new ThreadPoolExecutor(2, 2,
1768 +                                   LONG_DELAY_MS, MILLISECONDS,
1769 +                                   new ArrayBlockingQueue<Runnable>(10));
1770 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1771 +        l.add(new NPETask());
1772 +        try {
1773 +            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1774 +            shouldThrow();
1775 +        } catch (ExecutionException success) {
1776 +            assertTrue(success.getCause() instanceof NullPointerException);
1777 +        } finally {
1778 +            joinPool(e);
1779 +        }
1780 +    }
1781 +
1782 +    /**
1783 +     * timed invokeAny(c) returns result of some task
1784 +     */
1785 +    public void testTimedInvokeAny5() throws Exception {
1786 +        ExecutorService e =
1787 +            new ThreadPoolExecutor(2, 2,
1788 +                                   LONG_DELAY_MS, MILLISECONDS,
1789 +                                   new ArrayBlockingQueue<Runnable>(10));
1790 +        try {
1791 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1792 +            l.add(new StringTask());
1793 +            l.add(new StringTask());
1794 +            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1795 +            assertSame(TEST_STRING, result);
1796 +        } finally {
1797 +            joinPool(e);
1798 +        }
1799 +    }
1800 +
1801 +    /**
1802 +     * timed invokeAll(null) throws NPE
1803 +     */
1804 +    public void testTimedInvokeAll1() throws Exception {
1805 +        ExecutorService e =
1806 +            new ThreadPoolExecutor(2, 2,
1807 +                                   LONG_DELAY_MS, MILLISECONDS,
1808 +                                   new ArrayBlockingQueue<Runnable>(10));
1809 +        try {
1810 +            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1811 +            shouldThrow();
1812 +        } catch (NullPointerException success) {
1813 +        } finally {
1814 +            joinPool(e);
1815 +        }
1816 +    }
1817 +
1818 +    /**
1819 +     * timed invokeAll(,,null) throws NPE
1820 +     */
1821 +    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1822 +        ExecutorService e =
1823 +            new ThreadPoolExecutor(2, 2,
1824 +                                   LONG_DELAY_MS, MILLISECONDS,
1825 +                                   new ArrayBlockingQueue<Runnable>(10));
1826 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1827 +        l.add(new StringTask());
1828 +        try {
1829 +            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1830 +            shouldThrow();
1831 +        } catch (NullPointerException success) {
1832 +        } finally {
1833 +            joinPool(e);
1834 +        }
1835 +    }
1836 +
1837 +    /**
1838 +     * timed invokeAll(empty collection) returns empty collection
1839 +     */
1840 +    public void testTimedInvokeAll2() throws InterruptedException {
1841 +        ExecutorService e =
1842 +            new ThreadPoolExecutor(2, 2,
1843 +                                   LONG_DELAY_MS, MILLISECONDS,
1844 +                                   new ArrayBlockingQueue<Runnable>(10));
1845 +        try {
1846 +            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1847 +            assertTrue(r.isEmpty());
1848 +        } finally {
1849 +            joinPool(e);
1850 +        }
1851 +    }
1852 +
1853 +    /**
1854 +     * timed invokeAll(c) throws NPE if c has null elements
1855 +     */
1856 +    public void testTimedInvokeAll3() throws Exception {
1857 +        ExecutorService e =
1858 +            new ThreadPoolExecutor(2, 2,
1859 +                                   LONG_DELAY_MS, MILLISECONDS,
1860 +                                   new ArrayBlockingQueue<Runnable>(10));
1861 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1862 +        l.add(new StringTask());
1863 +        l.add(null);
1864 +        try {
1865 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1866 +            shouldThrow();
1867 +        } catch (NullPointerException success) {
1868 +        } finally {
1869 +            joinPool(e);
1870 +        }
1871 +    }
1872 +
1873 +    /**
1874 +     * get of element of invokeAll(c) throws exception on failed task
1875 +     */
1876 +    public void testTimedInvokeAll4() throws Exception {
1877 +        ExecutorService e =
1878 +            new ThreadPoolExecutor(2, 2,
1879 +                                   LONG_DELAY_MS, MILLISECONDS,
1880 +                                   new ArrayBlockingQueue<Runnable>(10));
1881 +        List<Callable<String>> l = new ArrayList<Callable<String>>();
1882 +        l.add(new NPETask());
1883 +        List<Future<String>> futures =
1884 +            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1885 +        assertEquals(1, futures.size());
1886 +        try {
1887 +            futures.get(0).get();
1888 +            shouldThrow();
1889 +        } catch (ExecutionException success) {
1890 +            assertTrue(success.getCause() instanceof NullPointerException);
1891 +        } finally {
1892 +            joinPool(e);
1893 +        }
1894 +    }
1895 +
1896 +    /**
1897 +     * timed invokeAll(c) returns results of all completed tasks
1898 +     */
1899 +    public void testTimedInvokeAll5() throws Exception {
1900 +        ExecutorService e =
1901 +            new ThreadPoolExecutor(2, 2,
1902 +                                   LONG_DELAY_MS, MILLISECONDS,
1903 +                                   new ArrayBlockingQueue<Runnable>(10));
1904 +        try {
1905 +            List<Callable<String>> l = new ArrayList<Callable<String>>();
1906 +            l.add(new StringTask());
1907 +            l.add(new StringTask());
1908 +            List<Future<String>> futures =
1909 +                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1910 +            assertEquals(2, futures.size());
1911 +            for (Future<String> future : futures)
1912 +                assertSame(TEST_STRING, future.get());
1913 +        } finally {
1914 +            joinPool(e);
1915 +        }
1916 +    }
1917 +
1918 +    /**
1919 +     * timed invokeAll(c) cancels tasks not completed by timeout
1920 +     */
1921 +    public void testTimedInvokeAll6() throws Exception {
1922 +        ExecutorService e =
1923 +            new ThreadPoolExecutor(2, 2,
1924 +                                   LONG_DELAY_MS, MILLISECONDS,
1925 +                                   new ArrayBlockingQueue<Runnable>(10));
1926 +        try {
1927 +            for (long timeout = timeoutMillis();;) {
1928 +                List<Callable<String>> tasks = new ArrayList<>();
1929 +                tasks.add(new StringTask("0"));
1930 +                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1931 +                tasks.add(new StringTask("2"));
1932 +                long startTime = System.nanoTime();
1933 +                List<Future<String>> futures =
1934 +                    e.invokeAll(tasks, timeout, MILLISECONDS);
1935 +                assertEquals(tasks.size(), futures.size());
1936 +                assertTrue(millisElapsedSince(startTime) >= timeout);
1937 +                for (Future future : futures)
1938 +                    assertTrue(future.isDone());
1939 +                assertTrue(futures.get(1).isCancelled());
1940 +                try {
1941 +                    assertEquals("0", futures.get(0).get());
1942 +                    assertEquals("2", futures.get(2).get());
1943 +                    break;
1944 +                } catch (CancellationException retryWithLongerTimeout) {
1945 +                    timeout *= 2;
1946 +                    if (timeout >= LONG_DELAY_MS / 2)
1947 +                        fail("expected exactly one task to be cancelled");
1948 +                }
1949 +            }
1950 +        } finally {
1951 +            joinPool(e);
1952 +        }
1953 +    }
1954 +
1955 +    /**
1956 +     * Execution continues if there is at least one thread even if
1957 +     * thread factory fails to create more
1958 +     */
1959 +    public void testFailingThreadFactory() throws InterruptedException {
1960 +        final ExecutorService e =
1961 +            new ThreadPoolExecutor(100, 100,
1962 +                                   LONG_DELAY_MS, MILLISECONDS,
1963 +                                   new LinkedBlockingQueue<Runnable>(),
1964 +                                   new FailingThreadFactory());
1965 +        try {
1966 +            final int TASKS = 100;
1967 +            final CountDownLatch done = new CountDownLatch(TASKS);
1968 +            for (int k = 0; k < TASKS; ++k)
1969 +                e.execute(new CheckedRunnable() {
1970 +                    public void realRun() {
1971 +                        done.countDown();
1972 +                    }});
1973 +            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1974 +        } finally {
1975 +            joinPool(e);
1976 +        }
1977 +    }
1978 +
1979 +    /**
1980 +     * allowsCoreThreadTimeOut is by default false.
1981 +     */
1982 +    public void testAllowsCoreThreadTimeOut() {
1983 +        final ThreadPoolExecutor p =
1984 +            new ThreadPoolExecutor(2, 2,
1985 +                                   1000, MILLISECONDS,
1986 +                                   new ArrayBlockingQueue<Runnable>(10));
1987 +        assertFalse(p.allowsCoreThreadTimeOut());
1988 +        joinPool(p);
1989 +    }
1990 +
1991 +    /**
1992 +     * allowCoreThreadTimeOut(true) causes idle threads to time out
1993 +     */
1994 +    public void testAllowCoreThreadTimeOut_true() throws Exception {
1995 +        long keepAliveTime = timeoutMillis();
1996 +        final ThreadPoolExecutor p =
1997 +            new ThreadPoolExecutor(2, 10,
1998 +                                   keepAliveTime, MILLISECONDS,
1999 +                                   new ArrayBlockingQueue<Runnable>(10));
2000 +        final CountDownLatch threadStarted = new CountDownLatch(1);
2001 +        try {
2002 +            p.allowCoreThreadTimeOut(true);
2003 +            p.execute(new CheckedRunnable() {
2004 +                public void realRun() {
2005 +                    threadStarted.countDown();
2006 +                    assertEquals(1, p.getPoolSize());
2007 +                }});
2008 +            await(threadStarted);
2009 +            delay(keepAliveTime);
2010 +            long startTime = System.nanoTime();
2011 +            while (p.getPoolSize() > 0
2012 +                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2013 +                Thread.yield();
2014 +            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2015 +            assertEquals(0, p.getPoolSize());
2016 +        } finally {
2017 +            joinPool(p);
2018 +        }
2019 +    }
2020 +
2021 +    /**
2022 +     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2023 +     */
2024 +    public void testAllowCoreThreadTimeOut_false() throws Exception {
2025 +        long keepAliveTime = timeoutMillis();
2026 +        final ThreadPoolExecutor p =
2027 +            new ThreadPoolExecutor(2, 10,
2028 +                                   keepAliveTime, MILLISECONDS,
2029 +                                   new ArrayBlockingQueue<Runnable>(10));
2030 +        final CountDownLatch threadStarted = new CountDownLatch(1);
2031 +        try {
2032 +            p.allowCoreThreadTimeOut(false);
2033 +            p.execute(new CheckedRunnable() {
2034 +                public void realRun() throws InterruptedException {
2035 +                    threadStarted.countDown();
2036 +                    assertTrue(p.getPoolSize() >= 1);
2037 +                }});
2038 +            delay(2 * keepAliveTime);
2039 +            assertTrue(p.getPoolSize() >= 1);
2040 +        } finally {
2041 +            joinPool(p);
2042 +        }
2043 +    }
2044 +
2045 +    /**
2046 +     * execute allows the same task to be submitted multiple times, even
2047 +     * if rejected
2048 +     */
2049 +    public void testRejectedRecycledTask() throws InterruptedException {
2050 +        final int nTasks = 1000;
2051 +        final CountDownLatch done = new CountDownLatch(nTasks);
2052 +        final Runnable recycledTask = new Runnable() {
2053 +            public void run() {
2054 +                done.countDown();
2055 +            }};
2056 +        final ThreadPoolExecutor p =
2057 +            new ThreadPoolExecutor(1, 30,
2058 +                                   60, SECONDS,
2059 +                                   new ArrayBlockingQueue(30));
2060 +        try {
2061 +            for (int i = 0; i < nTasks; ++i) {
2062 +                for (;;) {
2063 +                    try {
2064 +                        p.execute(recycledTask);
2065 +                        break;
2066 +                    }
2067 +                    catch (RejectedExecutionException ignore) {}
2068 +                }
2069 +            }
2070 +            // enough time to run all tasks
2071 +            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2072 +        } finally {
2073 +            joinPool(p);
2074 +        }
2075 +    }
2076 +
2077 +    /**
2078 +     * get(cancelled task) throws CancellationException
2079 +     */
2080 +    public void testGet_cancelled() throws Exception {
2081 +        final ExecutorService e =
2082 +            new ThreadPoolExecutor(1, 1,
2083 +                                   LONG_DELAY_MS, MILLISECONDS,
2084 +                                   new LinkedBlockingQueue<Runnable>());
2085 +        try {
2086 +            final CountDownLatch blockerStarted = new CountDownLatch(1);
2087 +            final CountDownLatch done = new CountDownLatch(1);
2088 +            final List<Future<?>> futures = new ArrayList<>();
2089 +            for (int i = 0; i < 2; i++) {
2090 +                Runnable r = new CheckedRunnable() { public void realRun()
2091 +                                                         throws Throwable {
2092 +                    blockerStarted.countDown();
2093 +                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2094 +                }};
2095 +                futures.add(e.submit(r));
2096 +            }
2097 +            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2098 +            for (Future<?> future : futures) future.cancel(false);
2099 +            for (Future<?> future : futures) {
2100 +                try {
2101 +                    future.get();
2102 +                    shouldThrow();
2103 +                } catch (CancellationException success) {}
2104 +                try {
2105 +                    future.get(LONG_DELAY_MS, MILLISECONDS);
2106 +                    shouldThrow();
2107 +                } catch (CancellationException success) {}
2108 +                assertTrue(future.isCancelled());
2109 +                assertTrue(future.isDone());
2110 +            }
2111 +            done.countDown();
2112 +        } finally {
2113 +            joinPool(e);
2114 +        }
2115 +    }
2116 +
2117   }

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