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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.112 by jsr166, Thu Oct 8 03:08:38 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37 < public class ThreadPoolExecutorTest extends TestCase{
37 > public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
16
17
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
45 <    private static long SHORT_DELAY_MS = 100;
46 <    private static long MEDIUM_DELAY_MS = 1000;
47 <    private static long LONG_DELAY_MS = 10000;
48 <
49 < //---- testThread class to implement ThreadFactory for use in constructors
50 <    static class testThread implements ThreadFactory{
51 <        public Thread newThread(Runnable r){
44 >
45 >    static class ExtendedTPE extends ThreadPoolExecutor {
46 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
47 >        final CountDownLatch afterCalled = new CountDownLatch(1);
48 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
49 >
50 >        public ExtendedTPE() {
51 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
52 >        }
53 >        protected void beforeExecute(Thread t, Runnable r) {
54 >            beforeCalled.countDown();
55 >        }
56 >        protected void afterExecute(Runnable r, Throwable t) {
57 >            afterCalled.countDown();
58 >        }
59 >        protected void terminated() {
60 >            terminatedCalled.countDown();
61 >        }
62 >
63 >        public boolean beforeCalled() {
64 >            return beforeCalled.getCount() == 0;
65 >        }
66 >        public boolean afterCalled() {
67 >            return afterCalled.getCount() == 0;
68 >        }
69 >        public boolean terminatedCalled() {
70 >            return terminatedCalled.getCount() == 0;
71 >        }
72 >    }
73 >
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78              return new Thread(r);
79 <        }  
79 >        }
80      }
81  
82 < //---- testReject class to implement RejectedExecutionHandler for use in the constructors
83 <    static class testReject implements RejectedExecutionHandler{
84 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
82 >    /**
83 >     * execute successfully executes a runnable
84 >     */
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 <    public Runnable newRunnable(){
100 <        return new Runnable(){
101 <                public void run(){
102 <                    try{Thread.sleep(MEDIUM_DELAY_MS);
103 <                    } catch(Exception e){
104 <                    }
105 <                }
106 <            };
99 >    /**
100 >     * getActiveCount increases but doesn't overestimate, when a
101 >     * thread becomes active
102 >     */
103 >    public void testGetActiveCount() throws InterruptedException {
104 >        final CountDownLatch done = new CountDownLatch(1);
105 >        final ThreadPoolExecutor p =
106 >            new ThreadPoolExecutor(2, 2,
107 >                                   LONG_DELAY_MS, MILLISECONDS,
108 >                                   new ArrayBlockingQueue<Runnable>(10));
109 >        try (PoolCleaner cleaner = cleaner(p, done)) {
110 >            final CountDownLatch threadStarted = 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 >                    await(done);
117 >                }});
118 >            await(threadStarted);
119 >            assertEquals(1, p.getActiveCount());
120 >        }
121      }
122  
48
123      /**
124 <     *  Test to verify that execute successfully executes a runnable
124 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
125       */
126 <    public void testExecute(){
127 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
128 <        try {
129 <            one.execute(new Runnable(){
130 <                    public void run(){
131 <                        try{
132 <                            Thread.sleep(SHORT_DELAY_MS);
133 <                        } catch(InterruptedException e){
134 <                            fail("unexpected exception");
135 <                        }
136 <                    }
137 <                });
138 <            Thread.sleep(SHORT_DELAY_MS * 2);
139 <        } catch(InterruptedException e){
140 <            fail("unexpected exception");
141 <        } finally {
142 <            one.shutdown();
126 >    public void testPrestartCoreThread() {
127 >        final ThreadPoolExecutor p =
128 >            new ThreadPoolExecutor(2, 6,
129 >                                   LONG_DELAY_MS, MILLISECONDS,
130 >                                   new ArrayBlockingQueue<Runnable>(10));
131 >        try (PoolCleaner cleaner = cleaner(p)) {
132 >            assertEquals(0, p.getPoolSize());
133 >            assertTrue(p.prestartCoreThread());
134 >            assertEquals(1, p.getPoolSize());
135 >            assertTrue(p.prestartCoreThread());
136 >            assertEquals(2, p.getPoolSize());
137 >            assertFalse(p.prestartCoreThread());
138 >            assertEquals(2, p.getPoolSize());
139 >            p.setCorePoolSize(4);
140 >            assertTrue(p.prestartCoreThread());
141 >            assertEquals(3, p.getPoolSize());
142 >            assertTrue(p.prestartCoreThread());
143 >            assertEquals(4, p.getPoolSize());
144 >            assertFalse(p.prestartCoreThread());
145 >            assertEquals(4, p.getPoolSize());
146          }
147      }
148  
149      /**
150 <     *  Test to verify getActiveCount gives correct values
150 >     * prestartAllCoreThreads starts all corePoolSize threads
151       */
152 <    public void testGetActiveCount(){
153 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
154 <        try {
155 <            assertEquals(0, two.getActiveCount());
156 <            two.execute(newRunnable());
157 <            try{Thread.sleep(10);} catch(Exception e){}
158 <            assertEquals(1, two.getActiveCount());
159 <        } finally {
160 <            two.shutdown();
152 >    public void testPrestartAllCoreThreads() {
153 >        final ThreadPoolExecutor p =
154 >            new ThreadPoolExecutor(2, 6,
155 >                                   LONG_DELAY_MS, MILLISECONDS,
156 >                                   new ArrayBlockingQueue<Runnable>(10));
157 >        try (PoolCleaner cleaner = cleaner(p)) {
158 >            assertEquals(0, p.getPoolSize());
159 >            p.prestartAllCoreThreads();
160 >            assertEquals(2, p.getPoolSize());
161 >            p.prestartAllCoreThreads();
162 >            assertEquals(2, p.getPoolSize());
163 >            p.setCorePoolSize(4);
164 >            p.prestartAllCoreThreads();
165 >            assertEquals(4, p.getPoolSize());
166 >            p.prestartAllCoreThreads();
167 >            assertEquals(4, p.getPoolSize());
168          }
169      }
170 <    
170 >
171      /**
172 <     *  Test to verify getCompleteTaskCount gives correct values
172 >     * getCompletedTaskCount increases, but doesn't overestimate,
173 >     * when tasks complete
174       */
175 <    public void testGetCompletedTaskCount(){
176 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
177 <        try {
178 <            assertEquals(0, two.getCompletedTaskCount());
179 <            two.execute(newRunnable());
180 <            try{Thread.sleep(2000);} catch(Exception e){}
181 <            assertEquals(1, two.getCompletedTaskCount());
182 <        } finally {
183 <            two.shutdown();
175 >    public void testGetCompletedTaskCount() throws InterruptedException {
176 >        final ThreadPoolExecutor p =
177 >            new ThreadPoolExecutor(2, 2,
178 >                                   LONG_DELAY_MS, MILLISECONDS,
179 >                                   new ArrayBlockingQueue<Runnable>(10));
180 >        try (PoolCleaner cleaner = cleaner(p)) {
181 >            final CountDownLatch threadStarted = new CountDownLatch(1);
182 >            final CountDownLatch threadProceed = new CountDownLatch(1);
183 >            final CountDownLatch threadDone = new CountDownLatch(1);
184 >            assertEquals(0, p.getCompletedTaskCount());
185 >            p.execute(new CheckedRunnable() {
186 >                public void realRun() throws InterruptedException {
187 >                    threadStarted.countDown();
188 >                    assertEquals(0, p.getCompletedTaskCount());
189 >                    threadProceed.await();
190 >                    threadDone.countDown();
191 >                }});
192 >            await(threadStarted);
193 >            assertEquals(0, p.getCompletedTaskCount());
194 >            threadProceed.countDown();
195 >            threadDone.await();
196 >            long startTime = System.nanoTime();
197 >            while (p.getCompletedTaskCount() != 1) {
198 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
199 >                    fail("timed out");
200 >                Thread.yield();
201 >            }
202          }
203      }
204 <    
204 >
205      /**
206 <     *  Test to verify getCorePoolSize gives correct values
206 >     * getCorePoolSize returns size given in constructor if not otherwise set
207       */
208 <    public void testGetCorePoolSize(){
209 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
210 <        try {
211 <            assertEquals(1, one.getCorePoolSize());
212 <        } finally {
213 <            one.shutdown();
208 >    public void testGetCorePoolSize() {
209 >        final ThreadPoolExecutor p =
210 >            new ThreadPoolExecutor(1, 1,
211 >                                   LONG_DELAY_MS, MILLISECONDS,
212 >                                   new ArrayBlockingQueue<Runnable>(10));
213 >        try (PoolCleaner cleaner = cleaner(p)) {
214 >            assertEquals(1, p.getCorePoolSize());
215          }
216      }
217 <    
217 >
218      /**
219 <     *  Test to verify getKeepAliveTime gives correct values
219 >     * getKeepAliveTime returns value given in constructor if not otherwise set
220       */
221 <    public void testGetKeepAliveTime(){
222 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
223 <        try {
224 <            assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
225 <        } finally {
226 <            two.shutdown();
221 >    public void testGetKeepAliveTime() {
222 >        final ThreadPoolExecutor p =
223 >            new ThreadPoolExecutor(2, 2,
224 >                                   1000, MILLISECONDS,
225 >                                   new ArrayBlockingQueue<Runnable>(10));
226 >        try (PoolCleaner cleaner = cleaner(p)) {
227 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
228          }
229      }
230 <    
230 >
231      /**
232 <     *  Test to verify getLargestPoolSize gives correct values
232 >     * getThreadFactory returns factory in constructor if not set
233       */
234 <    public void testGetLargestPoolSize(){
235 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
236 <        try {
237 <            assertEquals(0, two.getLargestPoolSize());
238 <            two.execute(newRunnable());
239 <            two.execute(newRunnable());
240 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
241 <            assertEquals(2, two.getLargestPoolSize());
242 <        } finally {
243 <            two.shutdown();
234 >    public void testGetThreadFactory() {
235 >        ThreadFactory threadFactory = new SimpleThreadFactory();
236 >        final ThreadPoolExecutor p =
237 >            new ThreadPoolExecutor(1, 2,
238 >                                   LONG_DELAY_MS, MILLISECONDS,
239 >                                   new ArrayBlockingQueue<Runnable>(10),
240 >                                   threadFactory,
241 >                                   new NoOpREHandler());
242 >        try (PoolCleaner cleaner = cleaner(p)) {
243 >            assertSame(threadFactory, p.getThreadFactory());
244          }
245      }
246 <    
246 >
247      /**
248 <     *  Test to verify getMaximumPoolSize gives correct values
248 >     * setThreadFactory sets the thread factory returned by getThreadFactory
249       */
250 <    public void testGetMaximumPoolSize(){
251 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
252 <        try {
253 <            assertEquals(2, two.getMaximumPoolSize());
254 <        } finally {
255 <            two.shutdown();
250 >    public void testSetThreadFactory() {
251 >        final ThreadPoolExecutor p =
252 >            new ThreadPoolExecutor(1, 2,
253 >                                   LONG_DELAY_MS, MILLISECONDS,
254 >                                   new ArrayBlockingQueue<Runnable>(10));
255 >        try (PoolCleaner cleaner = cleaner(p)) {
256 >            ThreadFactory threadFactory = new SimpleThreadFactory();
257 >            p.setThreadFactory(threadFactory);
258 >            assertSame(threadFactory, p.getThreadFactory());
259          }
260      }
261 <    
261 >
262      /**
263 <     *  Test to verify getPoolSize gives correct values
263 >     * setThreadFactory(null) throws NPE
264       */
265 <    public void testGetPoolSize(){
266 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
267 <        try {
268 <            assertEquals(0, one.getPoolSize());
269 <            one.execute(newRunnable());
270 <            assertEquals(1, one.getPoolSize());
271 <        } finally {
272 <            one.shutdown();
265 >    public void testSetThreadFactoryNull() {
266 >        final ThreadPoolExecutor p =
267 >            new ThreadPoolExecutor(1, 2,
268 >                                   LONG_DELAY_MS, MILLISECONDS,
269 >                                   new ArrayBlockingQueue<Runnable>(10));
270 >        try (PoolCleaner cleaner = cleaner(p)) {
271 >            try {
272 >                p.setThreadFactory(null);
273 >                shouldThrow();
274 >            } catch (NullPointerException success) {}
275          }
276      }
277 <    
277 >
278      /**
279 <     *  Test to verify getTaskCount gives correct values
279 >     * getRejectedExecutionHandler returns handler in constructor if not set
280       */
281 <    public void testGetTaskCount(){
282 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
283 <        try {
284 <            assertEquals(0, one.getTaskCount());
285 <            for(int i = 0; i < 5; i++)
286 <                one.execute(newRunnable());
287 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
288 <            assertEquals(5, one.getTaskCount());
289 <        } finally {
180 <            one.shutdown();
281 >    public void testGetRejectedExecutionHandler() {
282 >        final RejectedExecutionHandler handler = new NoOpREHandler();
283 >        final ThreadPoolExecutor p =
284 >            new ThreadPoolExecutor(1, 2,
285 >                                   LONG_DELAY_MS, MILLISECONDS,
286 >                                   new ArrayBlockingQueue<Runnable>(10),
287 >                                   handler);
288 >        try (PoolCleaner cleaner = cleaner(p)) {
289 >            assertSame(handler, p.getRejectedExecutionHandler());
290          }
291      }
292 <    
292 >
293      /**
294 <     *  Test to verify isShutDown gives correct values
294 >     * setRejectedExecutionHandler sets the handler returned by
295 >     * getRejectedExecutionHandler
296       */
297 <    public void testIsShutdown(){
298 <        
299 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
300 <        try {
301 <            assertFalse(one.isShutdown());
297 >    public void testSetRejectedExecutionHandler() {
298 >        final ThreadPoolExecutor p =
299 >            new ThreadPoolExecutor(1, 2,
300 >                                   LONG_DELAY_MS, MILLISECONDS,
301 >                                   new ArrayBlockingQueue<Runnable>(10));
302 >        try (PoolCleaner cleaner = cleaner(p)) {
303 >            RejectedExecutionHandler handler = new NoOpREHandler();
304 >            p.setRejectedExecutionHandler(handler);
305 >            assertSame(handler, p.getRejectedExecutionHandler());
306 >        }
307 >    }
308 >
309 >    /**
310 >     * setRejectedExecutionHandler(null) throws NPE
311 >     */
312 >    public void testSetRejectedExecutionHandlerNull() {
313 >        final ThreadPoolExecutor p =
314 >            new ThreadPoolExecutor(1, 2,
315 >                                   LONG_DELAY_MS, MILLISECONDS,
316 >                                   new ArrayBlockingQueue<Runnable>(10));
317 >        try (PoolCleaner cleaner = cleaner(p)) {
318 >            try {
319 >                p.setRejectedExecutionHandler(null);
320 >                shouldThrow();
321 >            } catch (NullPointerException success) {}
322          }
323 <        finally {
324 <            one.shutdown();
323 >    }
324 >
325 >    /**
326 >     * getLargestPoolSize increases, but doesn't overestimate, when
327 >     * multiple threads active
328 >     */
329 >    public void testGetLargestPoolSize() throws InterruptedException {
330 >        final int THREADS = 3;
331 >        final CountDownLatch done = new CountDownLatch(1);
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, done)) {
337 >            assertEquals(0, p.getLargestPoolSize());
338 >            final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
339 >            for (int i = 0; i < THREADS; i++)
340 >                p.execute(new CheckedRunnable() {
341 >                    public void realRun() throws InterruptedException {
342 >                        threadsStarted.countDown();
343 >                        await(done);
344 >                        assertEquals(THREADS, p.getLargestPoolSize());
345 >                    }});
346 >            await(threadsStarted);
347 >            assertEquals(THREADS, p.getLargestPoolSize());
348          }
349 <        assertTrue(one.isShutdown());
349 >        assertEquals(THREADS, p.getLargestPoolSize());
350      }
351  
199        
352      /**
353 <     *  Test to verify isTerminated gives correct values
354 <     *  Makes sure termination does not take an innapropriate
203 <     *  amount of time
353 >     * getMaximumPoolSize returns value given in constructor if not
354 >     * otherwise set
355       */
356 <    public void testIsTerminated(){
357 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
358 <        try {
359 <            one.execute(newRunnable());
360 <        } finally {
361 <            one.shutdown();
356 >    public void testGetMaximumPoolSize() {
357 >        final ThreadPoolExecutor p =
358 >            new ThreadPoolExecutor(2, 3,
359 >                                   LONG_DELAY_MS, MILLISECONDS,
360 >                                   new ArrayBlockingQueue<Runnable>(10));
361 >        try (PoolCleaner cleaner = cleaner(p)) {
362 >            assertEquals(3, p.getMaximumPoolSize());
363 >            p.setMaximumPoolSize(5);
364 >            assertEquals(5, p.getMaximumPoolSize());
365 >            p.setMaximumPoolSize(4);
366 >            assertEquals(4, p.getMaximumPoolSize());
367          }
212        boolean flag = false;
213        try{
214            flag = one.awaitTermination(10, TimeUnit.SECONDS);
215        } catch(Exception e){}  
216        assertTrue(one.isTerminated());
217        if(!flag)
218            fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
368      }
369  
370      /**
371 <     *  Test to verify that purge correctly removes cancelled tasks
372 <     *  from the queue
371 >     * getPoolSize increases, but doesn't overestimate, when threads
372 >     * become active
373       */
374 <    public void testPurge(){
375 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
376 <        try {
377 <            CancellableTask[] tasks = new CancellableTask[5];
378 <            for(int i = 0; i < 5; i++){
379 <                tasks[i] = new CancellableTask(newRunnable());
380 <                one.execute(tasks[i]);
374 >    public void testGetPoolSize() throws InterruptedException {
375 >        final CountDownLatch done = new CountDownLatch(1);
376 >        final ThreadPoolExecutor p =
377 >            new ThreadPoolExecutor(1, 1,
378 >                                   LONG_DELAY_MS, MILLISECONDS,
379 >                                   new ArrayBlockingQueue<Runnable>(10));
380 >        try (PoolCleaner cleaner = cleaner(p, done)) {
381 >            assertEquals(0, p.getPoolSize());
382 >            final CountDownLatch threadStarted = new CountDownLatch(1);
383 >            p.execute(new CheckedRunnable() {
384 >                public void realRun() throws InterruptedException {
385 >                    threadStarted.countDown();
386 >                    assertEquals(1, p.getPoolSize());
387 >                    await(done);
388 >                }});
389 >            await(threadStarted);
390 >            assertEquals(1, p.getPoolSize());
391 >        }
392 >    }
393 >
394 >    /**
395 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
396 >     */
397 >    public void testGetTaskCount() throws InterruptedException {
398 >        final int TASKS = 3;
399 >        final CountDownLatch done = new CountDownLatch(1);
400 >        final ThreadPoolExecutor p =
401 >            new ThreadPoolExecutor(1, 1,
402 >                                   LONG_DELAY_MS, MILLISECONDS,
403 >                                   new ArrayBlockingQueue<Runnable>(10));
404 >        try (PoolCleaner cleaner = cleaner(p, done)) {
405 >            final CountDownLatch threadStarted = new CountDownLatch(1);
406 >            assertEquals(0, p.getTaskCount());
407 >            assertEquals(0, p.getCompletedTaskCount());
408 >            p.execute(new CheckedRunnable() {
409 >                public void realRun() throws InterruptedException {
410 >                    threadStarted.countDown();
411 >                    await(done);
412 >                }});
413 >            await(threadStarted);
414 >            assertEquals(1, p.getTaskCount());
415 >            assertEquals(0, p.getCompletedTaskCount());
416 >            for (int i = 0; i < TASKS; i++) {
417 >                assertEquals(1 + i, p.getTaskCount());
418 >                p.execute(new CheckedRunnable() {
419 >                    public void realRun() throws InterruptedException {
420 >                        threadStarted.countDown();
421 >                        assertEquals(1 + TASKS, p.getTaskCount());
422 >                        await(done);
423 >                    }});
424              }
425 <            tasks[4].cancel(true);
426 <            tasks[3].cancel(true);
235 <            one.purge();
236 <            long count = one.getTaskCount();
237 <            assertTrue(count >= 2 && count < 5);
238 <        } finally {
239 <            one.shutdown();
425 >            assertEquals(1 + TASKS, p.getTaskCount());
426 >            assertEquals(0, p.getCompletedTaskCount());
427          }
428 +        assertEquals(1 + TASKS, p.getTaskCount());
429 +        assertEquals(1 + TASKS, p.getCompletedTaskCount());
430      }
431  
432      /**
433 <     *  Test to verify shutDownNow returns a list
245 <     *  containing the correct number of elements
433 >     * isShutdown is false before shutdown, true after
434       */
435 <    public void testShutDownNow(){
436 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
437 <        List l;
438 <        try {
439 <            for(int i = 0; i < 5; i++)
440 <                one.execute(newRunnable());
435 >    public void testIsShutdown() {
436 >        final ThreadPoolExecutor p =
437 >            new ThreadPoolExecutor(1, 1,
438 >                                   LONG_DELAY_MS, MILLISECONDS,
439 >                                   new ArrayBlockingQueue<Runnable>(10));
440 >        try (PoolCleaner cleaner = cleaner(p)) {
441 >            assertFalse(p.isShutdown());
442 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
443 >            assertTrue(p.isShutdown());
444 >        }
445 >    }
446 >
447 >    /**
448 >     * awaitTermination on a non-shutdown pool times out
449 >     */
450 >    public void testAwaitTermination_timesOut() throws InterruptedException {
451 >        final ThreadPoolExecutor p =
452 >            new ThreadPoolExecutor(1, 1,
453 >                                   LONG_DELAY_MS, MILLISECONDS,
454 >                                   new ArrayBlockingQueue<Runnable>(10));
455 >        try (PoolCleaner cleaner = cleaner(p)) {
456 >            assertFalse(p.isTerminated());
457 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
458 >            assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
459 >            assertFalse(p.awaitTermination(-1L, NANOSECONDS));
460 >            assertFalse(p.awaitTermination(-1L, MILLISECONDS));
461 >            assertFalse(p.awaitTermination(0L, NANOSECONDS));
462 >            assertFalse(p.awaitTermination(0L, MILLISECONDS));
463 >            long timeoutNanos = 999999L;
464 >            long startTime = System.nanoTime();
465 >            assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
466 >            assertTrue(System.nanoTime() - startTime >= timeoutNanos);
467 >            assertFalse(p.isTerminated());
468 >            startTime = System.nanoTime();
469 >            long timeoutMillis = timeoutMillis();
470 >            assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
471 >            assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
472 >            assertFalse(p.isTerminated());
473 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
474 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
475 >            assertTrue(p.isTerminated());
476 >        }
477 >    }
478 >
479 >    /**
480 >     * isTerminated is false before termination, true after
481 >     */
482 >    public void testIsTerminated() throws InterruptedException {
483 >        final ThreadPoolExecutor p =
484 >            new ThreadPoolExecutor(1, 1,
485 >                                   LONG_DELAY_MS, MILLISECONDS,
486 >                                   new ArrayBlockingQueue<Runnable>(10));
487 >        try (PoolCleaner cleaner = cleaner(p)) {
488 >            final CountDownLatch threadStarted = new CountDownLatch(1);
489 >            final CountDownLatch done = new CountDownLatch(1);
490 >            assertFalse(p.isTerminating());
491 >            p.execute(new CheckedRunnable() {
492 >                public void realRun() throws InterruptedException {
493 >                    assertFalse(p.isTerminating());
494 >                    threadStarted.countDown();
495 >                    await(done);
496 >                }});
497 >            await(threadStarted);
498 >            assertFalse(p.isTerminating());
499 >            done.countDown();
500 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
501 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
502 >            assertTrue(p.isTerminated());
503 >            assertFalse(p.isTerminating());
504 >        }
505 >    }
506 >
507 >    /**
508 >     * isTerminating is not true when running or when terminated
509 >     */
510 >    public void testIsTerminating() throws InterruptedException {
511 >        final ThreadPoolExecutor p =
512 >            new ThreadPoolExecutor(1, 1,
513 >                                   LONG_DELAY_MS, MILLISECONDS,
514 >                                   new ArrayBlockingQueue<Runnable>(10));
515 >        try (PoolCleaner cleaner = cleaner(p)) {
516 >            final CountDownLatch threadStarted = new CountDownLatch(1);
517 >            final CountDownLatch done = new CountDownLatch(1);
518 >            assertFalse(p.isTerminating());
519 >            p.execute(new CheckedRunnable() {
520 >                public void realRun() throws InterruptedException {
521 >                    assertFalse(p.isTerminating());
522 >                    threadStarted.countDown();
523 >                    await(done);
524 >                }});
525 >            await(threadStarted);
526 >            assertFalse(p.isTerminating());
527 >            done.countDown();
528 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
529 >            assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
530 >            assertTrue(p.isTerminated());
531 >            assertFalse(p.isTerminating());
532 >        }
533 >    }
534 >
535 >    /**
536 >     * getQueue returns the work queue, which contains queued tasks
537 >     */
538 >    public void testGetQueue() throws InterruptedException {
539 >        final CountDownLatch done = new CountDownLatch(1);
540 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
541 >        final ThreadPoolExecutor p =
542 >            new ThreadPoolExecutor(1, 1,
543 >                                   LONG_DELAY_MS, MILLISECONDS,
544 >                                   q);
545 >        try (PoolCleaner cleaner = cleaner(p, done)) {
546 >            final CountDownLatch threadStarted = new CountDownLatch(1);
547 >            FutureTask[] tasks = new FutureTask[5];
548 >            for (int i = 0; i < tasks.length; i++) {
549 >                Callable task = new CheckedCallable<Boolean>() {
550 >                    public Boolean realCall() throws InterruptedException {
551 >                        threadStarted.countDown();
552 >                        assertSame(q, p.getQueue());
553 >                        await(done);
554 >                        return Boolean.TRUE;
555 >                    }};
556 >                tasks[i] = new FutureTask(task);
557 >                p.execute(tasks[i]);
558 >            }
559 >            await(threadStarted);
560 >            assertSame(q, p.getQueue());
561 >            assertFalse(q.contains(tasks[0]));
562 >            assertTrue(q.contains(tasks[tasks.length - 1]));
563 >            assertEquals(tasks.length - 1, q.size());
564          }
565 <        finally {
566 <            l = one.shutdownNow();
565 >    }
566 >
567 >    /**
568 >     * remove(task) removes queued task, and fails to remove active task
569 >     */
570 >    public void testRemove() throws InterruptedException {
571 >        final CountDownLatch done = new CountDownLatch(1);
572 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
573 >        final ThreadPoolExecutor p =
574 >            new ThreadPoolExecutor(1, 1,
575 >                                   LONG_DELAY_MS, MILLISECONDS,
576 >                                   q);
577 >        try (PoolCleaner cleaner = cleaner(p, done)) {
578 >            Runnable[] tasks = new Runnable[6];
579 >            final CountDownLatch threadStarted = new CountDownLatch(1);
580 >            for (int i = 0; i < tasks.length; i++) {
581 >                tasks[i] = new CheckedRunnable() {
582 >                    public void realRun() throws InterruptedException {
583 >                        threadStarted.countDown();
584 >                        await(done);
585 >                    }};
586 >                p.execute(tasks[i]);
587 >            }
588 >            await(threadStarted);
589 >            assertFalse(p.remove(tasks[0]));
590 >            assertTrue(q.contains(tasks[4]));
591 >            assertTrue(q.contains(tasks[3]));
592 >            assertTrue(p.remove(tasks[4]));
593 >            assertFalse(p.remove(tasks[4]));
594 >            assertFalse(q.contains(tasks[4]));
595 >            assertTrue(q.contains(tasks[3]));
596 >            assertTrue(p.remove(tasks[3]));
597 >            assertFalse(q.contains(tasks[3]));
598 >        }
599 >    }
600 >
601 >    /**
602 >     * purge removes cancelled tasks from the queue
603 >     */
604 >    public void testPurge() throws InterruptedException {
605 >        final CountDownLatch threadStarted = new CountDownLatch(1);
606 >        final CountDownLatch done = new CountDownLatch(1);
607 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
608 >        final ThreadPoolExecutor p =
609 >            new ThreadPoolExecutor(1, 1,
610 >                                   LONG_DELAY_MS, MILLISECONDS,
611 >                                   q);
612 >        try (PoolCleaner cleaner = cleaner(p, done)) {
613 >            FutureTask[] tasks = new FutureTask[5];
614 >            for (int i = 0; i < tasks.length; i++) {
615 >                Callable task = new CheckedCallable<Boolean>() {
616 >                    public Boolean realCall() throws InterruptedException {
617 >                        threadStarted.countDown();
618 >                        await(done);
619 >                        return Boolean.TRUE;
620 >                    }};
621 >                tasks[i] = new FutureTask(task);
622 >                p.execute(tasks[i]);
623 >            }
624 >            await(threadStarted);
625 >            assertEquals(tasks.length, p.getTaskCount());
626 >            assertEquals(tasks.length - 1, q.size());
627 >            assertEquals(1L, p.getActiveCount());
628 >            assertEquals(0L, p.getCompletedTaskCount());
629 >            tasks[4].cancel(true);
630 >            tasks[3].cancel(false);
631 >            p.purge();
632 >            assertEquals(tasks.length - 3, q.size());
633 >            assertEquals(tasks.length - 2, p.getTaskCount());
634 >            p.purge();         // Nothing to do
635 >            assertEquals(tasks.length - 3, q.size());
636 >            assertEquals(tasks.length - 2, p.getTaskCount());
637          }
257        assertTrue(one.isShutdown());
258        assertTrue(l.size() <= 4);
638      }
639  
640 <    
641 <
642 <    
643 <    
644 <      
640 >    /**
641 >     * shutdownNow returns a list containing tasks that were not run,
642 >     * and those tasks are drained from the queue
643 >     */
644 >    public void testShutdownNow() throws InterruptedException {
645 >        final int poolSize = 2;
646 >        final int count = 5;
647 >        final AtomicInteger ran = new AtomicInteger(0);
648 >        final ThreadPoolExecutor p =
649 >            new ThreadPoolExecutor(poolSize, poolSize,
650 >                                   LONG_DELAY_MS, MILLISECONDS,
651 >                                   new ArrayBlockingQueue<Runnable>(10));
652 >        final CountDownLatch threadsStarted = new CountDownLatch(poolSize);
653 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
654 >            threadsStarted.countDown();
655 >            try {
656 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
657 >            } catch (InterruptedException success) {}
658 >            ran.getAndIncrement();
659 >        }};
660 >        for (int i = 0; i < count; i++)
661 >            p.execute(waiter);
662 >        await(threadsStarted);
663 >        assertEquals(poolSize, p.getActiveCount());
664 >        assertEquals(0, p.getCompletedTaskCount());
665 >        final List<Runnable> queuedTasks;
666 >        try {
667 >            queuedTasks = p.shutdownNow();
668 >        } catch (SecurityException ok) {
669 >            return; // Allowed in case test doesn't have privs
670 >        }
671 >        assertTrue(p.isShutdown());
672 >        assertTrue(p.getQueue().isEmpty());
673 >        assertEquals(count - poolSize, queuedTasks.size());
674 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
675 >        assertTrue(p.isTerminated());
676 >        assertEquals(poolSize, ran.get());
677 >        assertEquals(poolSize, p.getCompletedTaskCount());
678 >    }
679 >
680      // Exception Tests
267    
681  
682 <    //---- Tests if corePoolSize argument is less than zero
682 >    /**
683 >     * Constructor throws if corePoolSize argument is less than zero
684 >     */
685      public void testConstructor1() {
686 <        try{
687 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
688 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
689 <        }
690 <        catch (IllegalArgumentException i){}
686 >        try {
687 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
688 >                                   new ArrayBlockingQueue<Runnable>(10));
689 >            shouldThrow();
690 >        } catch (IllegalArgumentException success) {}
691      }
692 <    
693 <    //---- Tests if maximumPoolSize is less than zero
692 >
693 >    /**
694 >     * Constructor throws if maximumPoolSize is less than zero
695 >     */
696      public void testConstructor2() {
697 <        try{
698 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
699 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
700 <        }
701 <        catch (IllegalArgumentException i2){}
697 >        try {
698 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
699 >                                   new ArrayBlockingQueue<Runnable>(10));
700 >            shouldThrow();
701 >        } catch (IllegalArgumentException success) {}
702      }
703 <    
704 <    //---- Tests if maximumPoolSize is equal to zero
703 >
704 >    /**
705 >     * Constructor throws if maximumPoolSize is equal to zero
706 >     */
707      public void testConstructor3() {
708 <        try{
709 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
710 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
711 <        }
712 <        catch (IllegalArgumentException i3){}
708 >        try {
709 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
710 >                                   new ArrayBlockingQueue<Runnable>(10));
711 >            shouldThrow();
712 >        } catch (IllegalArgumentException success) {}
713      }
714  
715 <    //---- Tests if keepAliveTime is less than zero
715 >    /**
716 >     * Constructor throws if keepAliveTime is less than zero
717 >     */
718      public void testConstructor4() {
719 <        try{
720 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
721 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
722 <        }
723 <        catch (IllegalArgumentException i4){}
719 >        try {
720 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
721 >                                   new ArrayBlockingQueue<Runnable>(10));
722 >            shouldThrow();
723 >        } catch (IllegalArgumentException success) {}
724      }
725  
726 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
726 >    /**
727 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
728 >     */
729      public void testConstructor5() {
730 <        try{
731 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
732 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
733 <        }
734 <        catch (IllegalArgumentException i5){}
730 >        try {
731 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
732 >                                   new ArrayBlockingQueue<Runnable>(10));
733 >            shouldThrow();
734 >        } catch (IllegalArgumentException success) {}
735      }
736 <        
737 <    //---- Tests if workQueue is set to null
738 <    public void testNullPointerException() {
739 <        try{
740 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
741 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
742 <        }
743 <        catch (NullPointerException n){}  
736 >
737 >    /**
738 >     * Constructor throws if workQueue is set to null
739 >     */
740 >    public void testConstructorNullPointerException() {
741 >        try {
742 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
743 >                                   (BlockingQueue) null);
744 >            shouldThrow();
745 >        } catch (NullPointerException success) {}
746      }
322    
747  
748 <    
749 <    //---- Tests if corePoolSize argument is less than zero
748 >    /**
749 >     * Constructor throws if corePoolSize argument is less than zero
750 >     */
751      public void testConstructor6() {
752 <        try{
753 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
754 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
755 <        } catch (IllegalArgumentException i6){}
752 >        try {
753 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
754 >                                   new ArrayBlockingQueue<Runnable>(10),
755 >                                   new SimpleThreadFactory());
756 >            shouldThrow();
757 >        } catch (IllegalArgumentException success) {}
758      }
759 <    
760 <    //---- Tests if maximumPoolSize is less than zero
759 >
760 >    /**
761 >     * Constructor throws if maximumPoolSize is less than zero
762 >     */
763      public void testConstructor7() {
764 <        try{
765 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
766 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
767 <        }
768 <        catch (IllegalArgumentException i7){}
764 >        try {
765 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
766 >                                   new ArrayBlockingQueue<Runnable>(10),
767 >                                   new SimpleThreadFactory());
768 >            shouldThrow();
769 >        } catch (IllegalArgumentException success) {}
770      }
771  
772 <    //---- Tests if maximumPoolSize is equal to zero
772 >    /**
773 >     * Constructor throws if maximumPoolSize is equal to zero
774 >     */
775      public void testConstructor8() {
776 <        try{
777 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
778 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
779 <        }
780 <        catch (IllegalArgumentException i8){}
776 >        try {
777 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
778 >                                   new ArrayBlockingQueue<Runnable>(10),
779 >                                   new SimpleThreadFactory());
780 >            shouldThrow();
781 >        } catch (IllegalArgumentException success) {}
782      }
783  
784 <    //---- Tests if keepAliveTime is less than zero
784 >    /**
785 >     * Constructor throws if keepAliveTime is less than zero
786 >     */
787      public void testConstructor9() {
788 <        try{
789 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
790 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
791 <        }
792 <        catch (IllegalArgumentException i9){}
788 >        try {
789 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
790 >                                   new ArrayBlockingQueue<Runnable>(10),
791 >                                   new SimpleThreadFactory());
792 >            shouldThrow();
793 >        } catch (IllegalArgumentException success) {}
794      }
795  
796 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
796 >    /**
797 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
798 >     */
799      public void testConstructor10() {
800 <        try{
801 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
802 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
800 >        try {
801 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
802 >                                   new ArrayBlockingQueue<Runnable>(10),
803 >                                   new SimpleThreadFactory());
804 >            shouldThrow();
805 >        } catch (IllegalArgumentException success) {}
806 >    }
807 >
808 >    /**
809 >     * Constructor throws if workQueue is set to null
810 >     */
811 >    public void testConstructorNullPointerException2() {
812 >        try {
813 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
814 >                                   (BlockingQueue) null,
815 >                                   new SimpleThreadFactory());
816 >            shouldThrow();
817 >        } catch (NullPointerException success) {}
818 >    }
819 >
820 >    /**
821 >     * Constructor throws if threadFactory is set to null
822 >     */
823 >    public void testConstructorNullPointerException3() {
824 >        try {
825 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
826 >                                   new ArrayBlockingQueue<Runnable>(10),
827 >                                   (ThreadFactory) null);
828 >            shouldThrow();
829 >        } catch (NullPointerException success) {}
830 >    }
831 >
832 >    /**
833 >     * Constructor throws if corePoolSize argument is less than zero
834 >     */
835 >    public void testConstructor11() {
836 >        try {
837 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
838 >                                   new ArrayBlockingQueue<Runnable>(10),
839 >                                   new NoOpREHandler());
840 >            shouldThrow();
841 >        } catch (IllegalArgumentException success) {}
842 >    }
843 >
844 >    /**
845 >     * Constructor throws if maximumPoolSize is less than zero
846 >     */
847 >    public void testConstructor12() {
848 >        try {
849 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
850 >                                   new ArrayBlockingQueue<Runnable>(10),
851 >                                   new NoOpREHandler());
852 >            shouldThrow();
853 >        } catch (IllegalArgumentException success) {}
854 >    }
855 >
856 >    /**
857 >     * Constructor throws if maximumPoolSize is equal to zero
858 >     */
859 >    public void testConstructor13() {
860 >        try {
861 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
862 >                                   new ArrayBlockingQueue<Runnable>(10),
863 >                                   new NoOpREHandler());
864 >            shouldThrow();
865 >        } catch (IllegalArgumentException success) {}
866 >    }
867 >
868 >    /**
869 >     * Constructor throws if keepAliveTime is less than zero
870 >     */
871 >    public void testConstructor14() {
872 >        try {
873 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
874 >                                   new ArrayBlockingQueue<Runnable>(10),
875 >                                   new NoOpREHandler());
876 >            shouldThrow();
877 >        } catch (IllegalArgumentException success) {}
878 >    }
879 >
880 >    /**
881 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
882 >     */
883 >    public void testConstructor15() {
884 >        try {
885 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
886 >                                   new ArrayBlockingQueue<Runnable>(10),
887 >                                   new NoOpREHandler());
888 >            shouldThrow();
889 >        } catch (IllegalArgumentException success) {}
890 >    }
891 >
892 >    /**
893 >     * Constructor throws if workQueue is set to null
894 >     */
895 >    public void testConstructorNullPointerException4() {
896 >        try {
897 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
898 >                                   (BlockingQueue) null,
899 >                                   new NoOpREHandler());
900 >            shouldThrow();
901 >        } catch (NullPointerException success) {}
902 >    }
903 >
904 >    /**
905 >     * Constructor throws if handler is set to null
906 >     */
907 >    public void testConstructorNullPointerException5() {
908 >        try {
909 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
910 >                                   new ArrayBlockingQueue<Runnable>(10),
911 >                                   (RejectedExecutionHandler) null);
912 >            shouldThrow();
913 >        } catch (NullPointerException success) {}
914 >    }
915 >
916 >    /**
917 >     * Constructor throws if corePoolSize argument is less than zero
918 >     */
919 >    public void testConstructor16() {
920 >        try {
921 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
922 >                                   new ArrayBlockingQueue<Runnable>(10),
923 >                                   new SimpleThreadFactory(),
924 >                                   new NoOpREHandler());
925 >            shouldThrow();
926 >        } catch (IllegalArgumentException success) {}
927 >    }
928 >
929 >    /**
930 >     * Constructor throws if maximumPoolSize is less than zero
931 >     */
932 >    public void testConstructor17() {
933 >        try {
934 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
935 >                                   new ArrayBlockingQueue<Runnable>(10),
936 >                                   new SimpleThreadFactory(),
937 >                                   new NoOpREHandler());
938 >            shouldThrow();
939 >        } catch (IllegalArgumentException success) {}
940 >    }
941 >
942 >    /**
943 >     * Constructor throws if maximumPoolSize is equal to zero
944 >     */
945 >    public void testConstructor18() {
946 >        try {
947 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
948 >                                   new ArrayBlockingQueue<Runnable>(10),
949 >                                   new SimpleThreadFactory(),
950 >                                   new NoOpREHandler());
951 >            shouldThrow();
952 >        } catch (IllegalArgumentException success) {}
953 >    }
954 >
955 >    /**
956 >     * Constructor throws if keepAliveTime is less than zero
957 >     */
958 >    public void testConstructor19() {
959 >        try {
960 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
961 >                                   new ArrayBlockingQueue<Runnable>(10),
962 >                                   new SimpleThreadFactory(),
963 >                                   new NoOpREHandler());
964 >            shouldThrow();
965 >        } catch (IllegalArgumentException success) {}
966 >    }
967 >
968 >    /**
969 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
970 >     */
971 >    public void testConstructor20() {
972 >        try {
973 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
974 >                                   new ArrayBlockingQueue<Runnable>(10),
975 >                                   new SimpleThreadFactory(),
976 >                                   new NoOpREHandler());
977 >            shouldThrow();
978 >        } catch (IllegalArgumentException success) {}
979 >    }
980 >
981 >    /**
982 >     * Constructor throws if workQueue is null
983 >     */
984 >    public void testConstructorNullPointerException6() {
985 >        try {
986 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
987 >                                   (BlockingQueue) null,
988 >                                   new SimpleThreadFactory(),
989 >                                   new NoOpREHandler());
990 >            shouldThrow();
991 >        } catch (NullPointerException success) {}
992 >    }
993 >
994 >    /**
995 >     * Constructor throws if handler is null
996 >     */
997 >    public void testConstructorNullPointerException7() {
998 >        try {
999 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1000 >                                   new ArrayBlockingQueue<Runnable>(10),
1001 >                                   new SimpleThreadFactory(),
1002 >                                   (RejectedExecutionHandler) null);
1003 >            shouldThrow();
1004 >        } catch (NullPointerException success) {}
1005 >    }
1006 >
1007 >    /**
1008 >     * Constructor throws if ThreadFactory is null
1009 >     */
1010 >    public void testConstructorNullPointerException8() {
1011 >        try {
1012 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1013 >                                   new ArrayBlockingQueue<Runnable>(10),
1014 >                                   (ThreadFactory) null,
1015 >                                   new NoOpREHandler());
1016 >            shouldThrow();
1017 >        } catch (NullPointerException success) {}
1018 >    }
1019 >
1020 >    /**
1021 >     * get of submitted callable throws InterruptedException if interrupted
1022 >     */
1023 >    public void testInterruptedSubmit() throws InterruptedException {
1024 >        final CountDownLatch done = new CountDownLatch(1);
1025 >        final ThreadPoolExecutor p =
1026 >            new ThreadPoolExecutor(1, 1,
1027 >                                   60, SECONDS,
1028 >                                   new ArrayBlockingQueue<Runnable>(10));
1029 >
1030 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1031 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1032 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1033 >                public void realRun() throws Exception {
1034 >                    Callable task = new CheckedCallable<Boolean>() {
1035 >                        public Boolean realCall() throws InterruptedException {
1036 >                            threadStarted.countDown();
1037 >                            await(done);
1038 >                            return Boolean.TRUE;
1039 >                        }};
1040 >                    p.submit(task).get();
1041 >                }});
1042 >
1043 >            await(threadStarted);
1044 >            t.interrupt();
1045 >            awaitTermination(t);
1046          }
366        catch (IllegalArgumentException i10){}
1047      }
1048  
1049 <    //---- Tests if workQueue is set to null
1050 <    public void testNullPointerException2() {
1051 <        try{
1052 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1053 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1049 >    /**
1050 >     * execute throws RejectedExecutionException if saturated.
1051 >     */
1052 >    public void testSaturatedExecute() {
1053 >        final CountDownLatch done = new CountDownLatch(1);
1054 >        final ThreadPoolExecutor p =
1055 >            new ThreadPoolExecutor(1, 1,
1056 >                                   LONG_DELAY_MS, MILLISECONDS,
1057 >                                   new ArrayBlockingQueue<Runnable>(1));
1058 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1059 >            Runnable task = new CheckedRunnable() {
1060 >                public void realRun() throws InterruptedException {
1061 >                    await(done);
1062 >                }};
1063 >            for (int i = 0; i < 2; ++i)
1064 >                p.execute(task);
1065 >            for (int i = 0; i < 2; ++i) {
1066 >                try {
1067 >                    p.execute(task);
1068 >                    shouldThrow();
1069 >                } catch (RejectedExecutionException success) {}
1070 >                assertTrue(p.getTaskCount() <= 2);
1071 >            }
1072          }
375        catch (NullPointerException n2){}  
1073      }
1074  
1075 <    //---- Tests if threadFactory is set to null
1076 <    public void testNullPointerException3() {
1077 <        try{
1078 <            ThreadFactory f = null;
1079 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1080 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1075 >    /**
1076 >     * submit(runnable) throws RejectedExecutionException if saturated.
1077 >     */
1078 >    public void testSaturatedSubmitRunnable() {
1079 >        final CountDownLatch done = new CountDownLatch(1);
1080 >        final ThreadPoolExecutor p =
1081 >            new ThreadPoolExecutor(1, 1,
1082 >                                   LONG_DELAY_MS, MILLISECONDS,
1083 >                                   new ArrayBlockingQueue<Runnable>(1));
1084 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1085 >            Runnable task = new CheckedRunnable() {
1086 >                public void realRun() throws InterruptedException {
1087 >                    await(done);
1088 >                }};
1089 >            for (int i = 0; i < 2; ++i)
1090 >                p.submit(task);
1091 >            for (int i = 0; i < 2; ++i) {
1092 >                try {
1093 >                    p.execute(task);
1094 >                    shouldThrow();
1095 >                } catch (RejectedExecutionException success) {}
1096 >                assertTrue(p.getTaskCount() <= 2);
1097 >            }
1098          }
385        catch (NullPointerException n3){}  
1099      }
1100 <
1101 <    
1102 <    //---- Tests if corePoolSize argument is less than zero
1103 <    public void testConstructor11() {
1104 <        try{
1105 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1106 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1100 >
1101 >    /**
1102 >     * submit(callable) throws RejectedExecutionException if saturated.
1103 >     */
1104 >    public void testSaturatedSubmitCallable() {
1105 >        final CountDownLatch done = new CountDownLatch(1);
1106 >        final ThreadPoolExecutor p =
1107 >            new ThreadPoolExecutor(1, 1,
1108 >                                   LONG_DELAY_MS, MILLISECONDS,
1109 >                                   new ArrayBlockingQueue<Runnable>(1));
1110 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1111 >            Runnable task = new CheckedRunnable() {
1112 >                public void realRun() throws InterruptedException {
1113 >                    await(done);
1114 >                }};
1115 >            for (int i = 0; i < 2; ++i)
1116 >                p.submit(Executors.callable(task));
1117 >            for (int i = 0; i < 2; ++i) {
1118 >                try {
1119 >                    p.execute(task);
1120 >                    shouldThrow();
1121 >                } catch (RejectedExecutionException success) {}
1122 >                assertTrue(p.getTaskCount() <= 2);
1123 >            }
1124          }
395        catch (IllegalArgumentException i11){}
1125      }
1126  
1127 <    //---- Tests if maximumPoolSize is less than zero
1128 <    public void testConstructor12() {
1129 <        try{
1130 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1131 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1127 >    /**
1128 >     * executor using CallerRunsPolicy runs task if saturated.
1129 >     */
1130 >    public void testSaturatedExecute2() {
1131 >        final ThreadPoolExecutor p =
1132 >            new ThreadPoolExecutor(1, 1,
1133 >                                   LONG_DELAY_MS,
1134 >                                   MILLISECONDS,
1135 >                                   new ArrayBlockingQueue<Runnable>(1),
1136 >                                   new ThreadPoolExecutor.CallerRunsPolicy());
1137 >        try (PoolCleaner cleaner = cleaner(p)) {
1138 >            final CountDownLatch done = new CountDownLatch(1);
1139 >            Runnable blocker = new CheckedRunnable() {
1140 >                public void realRun() throws InterruptedException {
1141 >                    await(done);
1142 >                }};
1143 >            p.execute(blocker);
1144 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1145 >            for (int i = 0; i < tasks.length; i++)
1146 >                tasks[i] = new TrackedNoOpRunnable();
1147 >            for (int i = 0; i < tasks.length; i++)
1148 >                p.execute(tasks[i]);
1149 >            for (int i = 1; i < tasks.length; i++)
1150 >                assertTrue(tasks[i].done);
1151 >            assertFalse(tasks[0].done); // waiting in queue
1152 >            done.countDown();
1153          }
404        catch (IllegalArgumentException i12){}
1154      }
1155  
1156 <    //---- Tests if maximumPoolSize is equal to zero
1157 <    public void testConstructor13() {
1158 <        try{
1159 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1160 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1156 >    /**
1157 >     * executor using DiscardPolicy drops task if saturated.
1158 >     */
1159 >    public void testSaturatedExecute3() {
1160 >        final CountDownLatch done = new CountDownLatch(1);
1161 >        final TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1162 >        for (int i = 0; i < tasks.length; ++i)
1163 >            tasks[i] = new TrackedNoOpRunnable();
1164 >        final ThreadPoolExecutor p =
1165 >            new ThreadPoolExecutor(1, 1,
1166 >                          LONG_DELAY_MS, MILLISECONDS,
1167 >                          new ArrayBlockingQueue<Runnable>(1),
1168 >                          new ThreadPoolExecutor.DiscardPolicy());
1169 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1170 >            p.execute(awaiter(done));
1171 >
1172 >            for (TrackedNoOpRunnable task : tasks)
1173 >                p.execute(task);
1174 >            for (int i = 1; i < tasks.length; i++)
1175 >                assertFalse(tasks[i].done);
1176 >        }
1177 >        for (int i = 1; i < tasks.length; i++)
1178 >            assertFalse(tasks[i].done);
1179 >        assertTrue(tasks[0].done); // was waiting in queue
1180 >    }
1181 >
1182 >    /**
1183 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1184 >     */
1185 >    public void testSaturatedExecute4() {
1186 >        final CountDownLatch done = new CountDownLatch(1);
1187 >        LatchAwaiter r1 = awaiter(done);
1188 >        LatchAwaiter r2 = awaiter(done);
1189 >        LatchAwaiter r3 = awaiter(done);
1190 >        final ThreadPoolExecutor p =
1191 >            new ThreadPoolExecutor(1, 1,
1192 >                                   LONG_DELAY_MS, MILLISECONDS,
1193 >                                   new ArrayBlockingQueue<Runnable>(1),
1194 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1195 >        try (PoolCleaner cleaner = cleaner(p, done)) {
1196 >            assertEquals(LatchAwaiter.NEW, r1.state);
1197 >            assertEquals(LatchAwaiter.NEW, r2.state);
1198 >            assertEquals(LatchAwaiter.NEW, r3.state);
1199 >            p.execute(r1);
1200 >            p.execute(r2);
1201 >            assertTrue(p.getQueue().contains(r2));
1202 >            p.execute(r3);
1203 >            assertFalse(p.getQueue().contains(r2));
1204 >            assertTrue(p.getQueue().contains(r3));
1205 >        }
1206 >        assertEquals(LatchAwaiter.DONE, r1.state);
1207 >        assertEquals(LatchAwaiter.NEW, r2.state);
1208 >        assertEquals(LatchAwaiter.DONE, r3.state);
1209 >    }
1210 >
1211 >    /**
1212 >     * execute throws RejectedExecutionException if shutdown
1213 >     */
1214 >    public void testRejectedExecutionExceptionOnShutdown() {
1215 >        final ThreadPoolExecutor p =
1216 >            new ThreadPoolExecutor(1, 1,
1217 >                                   LONG_DELAY_MS, MILLISECONDS,
1218 >                                   new ArrayBlockingQueue<Runnable>(1));
1219 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1220 >        try (PoolCleaner cleaner = cleaner(p)) {
1221 >            try {
1222 >                p.execute(new NoOpRunnable());
1223 >                shouldThrow();
1224 >            } catch (RejectedExecutionException success) {}
1225          }
413        catch (IllegalArgumentException i13){}
1226      }
1227  
1228 <    //---- Tests if keepAliveTime is less than zero
1229 <    public void testConstructor14() {
1230 <        try{
1231 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1232 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1228 >    /**
1229 >     * execute using CallerRunsPolicy drops task on shutdown
1230 >     */
1231 >    public void testCallerRunsOnShutdown() {
1232 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1233 >        final ThreadPoolExecutor p =
1234 >            new ThreadPoolExecutor(1, 1,
1235 >                                   LONG_DELAY_MS, MILLISECONDS,
1236 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1237 >
1238 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1239 >        try (PoolCleaner cleaner = cleaner(p)) {
1240 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1241 >            p.execute(r);
1242 >            assertFalse(r.done);
1243          }
422        catch (IllegalArgumentException i14){}
1244      }
1245  
1246 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1247 <    public void testConstructor15() {
1248 <        try{
1249 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1250 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1246 >    /**
1247 >     * execute using DiscardPolicy drops task on shutdown
1248 >     */
1249 >    public void testDiscardOnShutdown() {
1250 >        final ThreadPoolExecutor p =
1251 >            new ThreadPoolExecutor(1, 1,
1252 >                                   LONG_DELAY_MS, MILLISECONDS,
1253 >                                   new ArrayBlockingQueue<Runnable>(1),
1254 >                                   new ThreadPoolExecutor.DiscardPolicy());
1255 >
1256 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1257 >        try (PoolCleaner cleaner = cleaner(p)) {
1258 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1259 >            p.execute(r);
1260 >            assertFalse(r.done);
1261          }
431        catch (IllegalArgumentException i15){}
1262      }
1263  
1264 <    //---- Tests if workQueue is set to null
1265 <    public void testNullPointerException4() {
1266 <        try{
1267 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1268 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1264 >    /**
1265 >     * execute using DiscardOldestPolicy drops task on shutdown
1266 >     */
1267 >    public void testDiscardOldestOnShutdown() {
1268 >        final ThreadPoolExecutor p =
1269 >            new ThreadPoolExecutor(1, 1,
1270 >                                   LONG_DELAY_MS, MILLISECONDS,
1271 >                                   new ArrayBlockingQueue<Runnable>(1),
1272 >                                   new ThreadPoolExecutor.DiscardOldestPolicy());
1273 >
1274 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1275 >        try (PoolCleaner cleaner = cleaner(p)) {
1276 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1277 >            p.execute(r);
1278 >            assertFalse(r.done);
1279          }
440        catch (NullPointerException n4){}  
1280      }
1281  
1282 <    //---- Tests if handler is set to null
1283 <    public void testNullPointerException5() {
1284 <        try{
1285 <            RejectedExecutionHandler r = null;
1286 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1287 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1282 >    /**
1283 >     * execute(null) throws NPE
1284 >     */
1285 >    public void testExecuteNull() {
1286 >        final ThreadPoolExecutor p =
1287 >            new ThreadPoolExecutor(1, 2,
1288 >                                   1L, SECONDS,
1289 >                                   new ArrayBlockingQueue<Runnable>(10));
1290 >        try (PoolCleaner cleaner = cleaner(p)) {
1291 >            try {
1292 >                p.execute(null);
1293 >                shouldThrow();
1294 >            } catch (NullPointerException success) {}
1295          }
450        catch (NullPointerException n5){}  
1296      }
1297  
1298 <    
1299 <    //---- Tests if corePoolSize argument is less than zero
1300 <    public void testConstructor16() {
1301 <        try{
1302 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1303 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1298 >    /**
1299 >     * setCorePoolSize of negative value throws IllegalArgumentException
1300 >     */
1301 >    public void testCorePoolSizeIllegalArgumentException() {
1302 >        final ThreadPoolExecutor p =
1303 >            new ThreadPoolExecutor(1, 2,
1304 >                                   LONG_DELAY_MS, MILLISECONDS,
1305 >                                   new ArrayBlockingQueue<Runnable>(10));
1306 >        try (PoolCleaner cleaner = cleaner(p)) {
1307 >            try {
1308 >                p.setCorePoolSize(-1);
1309 >                shouldThrow();
1310 >            } catch (IllegalArgumentException success) {}
1311          }
460        catch (IllegalArgumentException i16){}
1312      }
1313  
1314 <    //---- Tests if maximumPoolSize is less than zero
1315 <    public void testConstructor17() {
1316 <        try{
1317 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1318 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1314 >    /**
1315 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1316 >     * given a value less the core pool size
1317 >     */
1318 >    public void testMaximumPoolSizeIllegalArgumentException() {
1319 >        final ThreadPoolExecutor p =
1320 >            new ThreadPoolExecutor(2, 3,
1321 >                                   LONG_DELAY_MS, MILLISECONDS,
1322 >                                   new ArrayBlockingQueue<Runnable>(10));
1323 >        try (PoolCleaner cleaner = cleaner(p)) {
1324 >            try {
1325 >                p.setMaximumPoolSize(1);
1326 >                shouldThrow();
1327 >            } catch (IllegalArgumentException success) {}
1328          }
469        catch (IllegalArgumentException i17){}
1329      }
1330  
1331 <    //---- Tests if maximumPoolSize is equal to zero
1332 <    public void testConstructor18() {
1333 <        try{
1334 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1335 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1331 >    /**
1332 >     * setMaximumPoolSize throws IllegalArgumentException
1333 >     * if given a negative value
1334 >     */
1335 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1336 >        final ThreadPoolExecutor p =
1337 >            new ThreadPoolExecutor(2, 3,
1338 >                                   LONG_DELAY_MS, MILLISECONDS,
1339 >                                   new ArrayBlockingQueue<Runnable>(10));
1340 >        try (PoolCleaner cleaner = cleaner(p)) {
1341 >            try {
1342 >                p.setMaximumPoolSize(-1);
1343 >                shouldThrow();
1344 >            } catch (IllegalArgumentException success) {}
1345          }
478        catch (IllegalArgumentException i18){}
1346      }
1347  
1348 <    //---- Tests if keepAliveTime is less than zero
1349 <    public void testConstructor19() {
1350 <        try{
1351 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1352 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1348 >    /**
1349 >     * Configuration changes that allow core pool size greater than
1350 >     * max pool size result in IllegalArgumentException.
1351 >     */
1352 >    public void testPoolSizeInvariants() {
1353 >        final ThreadPoolExecutor p =
1354 >            new ThreadPoolExecutor(1, 1,
1355 >                                   LONG_DELAY_MS, MILLISECONDS,
1356 >                                   new ArrayBlockingQueue<Runnable>(10));
1357 >        try (PoolCleaner cleaner = cleaner(p)) {
1358 >            for (int s = 1; s < 5; s++) {
1359 >                p.setMaximumPoolSize(s);
1360 >                p.setCorePoolSize(s);
1361 >                try {
1362 >                    p.setMaximumPoolSize(s - 1);
1363 >                    shouldThrow();
1364 >                } catch (IllegalArgumentException success) {}
1365 >                assertEquals(s, p.getCorePoolSize());
1366 >                assertEquals(s, p.getMaximumPoolSize());
1367 >                try {
1368 >                    p.setCorePoolSize(s + 1);
1369 >                    shouldThrow();
1370 >                } catch (IllegalArgumentException success) {}
1371 >                assertEquals(s, p.getCorePoolSize());
1372 >                assertEquals(s, p.getMaximumPoolSize());
1373 >            }
1374 >        }
1375 >    }
1376 >
1377 >    /**
1378 >     * setKeepAliveTime throws IllegalArgumentException
1379 >     * when given a negative value
1380 >     */
1381 >    public void testKeepAliveTimeIllegalArgumentException() {
1382 >        final ThreadPoolExecutor p =
1383 >            new ThreadPoolExecutor(2, 3,
1384 >                                   LONG_DELAY_MS, MILLISECONDS,
1385 >                                   new ArrayBlockingQueue<Runnable>(10));
1386 >        try (PoolCleaner cleaner = cleaner(p)) {
1387 >            try {
1388 >                p.setKeepAliveTime(-1, MILLISECONDS);
1389 >                shouldThrow();
1390 >            } catch (IllegalArgumentException success) {}
1391 >        }
1392 >    }
1393 >
1394 >    /**
1395 >     * terminated() is called on termination
1396 >     */
1397 >    public void testTerminated() {
1398 >        ExtendedTPE p = new ExtendedTPE();
1399 >        try (PoolCleaner cleaner = cleaner(p)) {
1400 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1401 >            assertTrue(p.terminatedCalled());
1402 >            assertTrue(p.isShutdown());
1403 >        }
1404 >    }
1405 >
1406 >    /**
1407 >     * beforeExecute and afterExecute are called when executing task
1408 >     */
1409 >    public void testBeforeAfter() throws InterruptedException {
1410 >        ExtendedTPE p = new ExtendedTPE();
1411 >        try (PoolCleaner cleaner = cleaner(p)) {
1412 >            final CountDownLatch done = new CountDownLatch(1);
1413 >            p.execute(new CheckedRunnable() {
1414 >                public void realRun() {
1415 >                    done.countDown();
1416 >                }});
1417 >            await(p.afterCalled);
1418 >            assertEquals(0, done.getCount());
1419 >            assertTrue(p.afterCalled());
1420 >            assertTrue(p.beforeCalled());
1421 >        }
1422 >    }
1423 >
1424 >    /**
1425 >     * completed submit of callable returns result
1426 >     */
1427 >    public void testSubmitCallable() throws Exception {
1428 >        final ExecutorService e =
1429 >            new ThreadPoolExecutor(2, 2,
1430 >                                   LONG_DELAY_MS, MILLISECONDS,
1431 >                                   new ArrayBlockingQueue<Runnable>(10));
1432 >        try (PoolCleaner cleaner = cleaner(e)) {
1433 >            Future<String> future = e.submit(new StringTask());
1434 >            String result = future.get();
1435 >            assertSame(TEST_STRING, result);
1436 >        }
1437 >    }
1438 >
1439 >    /**
1440 >     * completed submit of runnable returns successfully
1441 >     */
1442 >    public void testSubmitRunnable() throws Exception {
1443 >        final ExecutorService e =
1444 >            new ThreadPoolExecutor(2, 2,
1445 >                                   LONG_DELAY_MS, MILLISECONDS,
1446 >                                   new ArrayBlockingQueue<Runnable>(10));
1447 >        try (PoolCleaner cleaner = cleaner(e)) {
1448 >            Future<?> future = e.submit(new NoOpRunnable());
1449 >            future.get();
1450 >            assertTrue(future.isDone());
1451 >        }
1452 >    }
1453 >
1454 >    /**
1455 >     * completed submit of (runnable, result) returns result
1456 >     */
1457 >    public void testSubmitRunnable2() throws Exception {
1458 >        final ExecutorService e =
1459 >            new ThreadPoolExecutor(2, 2,
1460 >                                   LONG_DELAY_MS, MILLISECONDS,
1461 >                                   new ArrayBlockingQueue<Runnable>(10));
1462 >        try (PoolCleaner cleaner = cleaner(e)) {
1463 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1464 >            String result = future.get();
1465 >            assertSame(TEST_STRING, result);
1466 >        }
1467 >    }
1468 >
1469 >    /**
1470 >     * invokeAny(null) throws NPE
1471 >     */
1472 >    public void testInvokeAny1() throws Exception {
1473 >        final ExecutorService e =
1474 >            new ThreadPoolExecutor(2, 2,
1475 >                                   LONG_DELAY_MS, MILLISECONDS,
1476 >                                   new ArrayBlockingQueue<Runnable>(10));
1477 >        try (PoolCleaner cleaner = cleaner(e)) {
1478 >            try {
1479 >                e.invokeAny(null);
1480 >                shouldThrow();
1481 >            } catch (NullPointerException success) {}
1482 >        }
1483 >    }
1484 >
1485 >    /**
1486 >     * invokeAny(empty collection) throws IAE
1487 >     */
1488 >    public void testInvokeAny2() throws Exception {
1489 >        final ExecutorService e =
1490 >            new ThreadPoolExecutor(2, 2,
1491 >                                   LONG_DELAY_MS, MILLISECONDS,
1492 >                                   new ArrayBlockingQueue<Runnable>(10));
1493 >        try (PoolCleaner cleaner = cleaner(e)) {
1494 >            try {
1495 >                e.invokeAny(new ArrayList<Callable<String>>());
1496 >                shouldThrow();
1497 >            } catch (IllegalArgumentException success) {}
1498 >        }
1499 >    }
1500 >
1501 >    /**
1502 >     * invokeAny(c) throws NPE if c has null elements
1503 >     */
1504 >    public void testInvokeAny3() throws Exception {
1505 >        final CountDownLatch latch = new CountDownLatch(1);
1506 >        final ExecutorService e =
1507 >            new ThreadPoolExecutor(2, 2,
1508 >                                   LONG_DELAY_MS, MILLISECONDS,
1509 >                                   new ArrayBlockingQueue<Runnable>(10));
1510 >        try (PoolCleaner cleaner = cleaner(e)) {
1511 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1512 >            l.add(latchAwaitingStringTask(latch));
1513 >            l.add(null);
1514 >            try {
1515 >                e.invokeAny(l);
1516 >                shouldThrow();
1517 >            } catch (NullPointerException success) {}
1518 >            latch.countDown();
1519 >        }
1520 >    }
1521 >
1522 >    /**
1523 >     * invokeAny(c) throws ExecutionException if no task completes
1524 >     */
1525 >    public void testInvokeAny4() throws Exception {
1526 >        final ExecutorService e =
1527 >            new ThreadPoolExecutor(2, 2,
1528 >                                   LONG_DELAY_MS, MILLISECONDS,
1529 >                                   new ArrayBlockingQueue<Runnable>(10));
1530 >        try (PoolCleaner cleaner = cleaner(e)) {
1531 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1532 >            l.add(new NPETask());
1533 >            try {
1534 >                e.invokeAny(l);
1535 >                shouldThrow();
1536 >            } catch (ExecutionException success) {
1537 >                assertTrue(success.getCause() instanceof NullPointerException);
1538 >            }
1539 >        }
1540 >    }
1541 >
1542 >    /**
1543 >     * invokeAny(c) returns result of some task
1544 >     */
1545 >    public void testInvokeAny5() throws Exception {
1546 >        final ExecutorService e =
1547 >            new ThreadPoolExecutor(2, 2,
1548 >                                   LONG_DELAY_MS, MILLISECONDS,
1549 >                                   new ArrayBlockingQueue<Runnable>(10));
1550 >        try (PoolCleaner cleaner = cleaner(e)) {
1551 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1552 >            l.add(new StringTask());
1553 >            l.add(new StringTask());
1554 >            String result = e.invokeAny(l);
1555 >            assertSame(TEST_STRING, result);
1556 >        }
1557 >    }
1558 >
1559 >    /**
1560 >     * invokeAll(null) throws NPE
1561 >     */
1562 >    public void testInvokeAll1() throws Exception {
1563 >        final ExecutorService e =
1564 >            new ThreadPoolExecutor(2, 2,
1565 >                                   LONG_DELAY_MS, MILLISECONDS,
1566 >                                   new ArrayBlockingQueue<Runnable>(10));
1567 >        try (PoolCleaner cleaner = cleaner(e)) {
1568 >            try {
1569 >                e.invokeAll(null);
1570 >                shouldThrow();
1571 >            } catch (NullPointerException success) {}
1572 >        }
1573 >    }
1574 >
1575 >    /**
1576 >     * invokeAll(empty collection) returns empty collection
1577 >     */
1578 >    public void testInvokeAll2() throws InterruptedException {
1579 >        final ExecutorService e =
1580 >            new ThreadPoolExecutor(2, 2,
1581 >                                   LONG_DELAY_MS, MILLISECONDS,
1582 >                                   new ArrayBlockingQueue<Runnable>(10));
1583 >        try (PoolCleaner cleaner = cleaner(e)) {
1584 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1585 >            assertTrue(r.isEmpty());
1586 >        }
1587 >    }
1588 >
1589 >    /**
1590 >     * invokeAll(c) throws NPE if c has null elements
1591 >     */
1592 >    public void testInvokeAll3() throws Exception {
1593 >        final ExecutorService e =
1594 >            new ThreadPoolExecutor(2, 2,
1595 >                                   LONG_DELAY_MS, MILLISECONDS,
1596 >                                   new ArrayBlockingQueue<Runnable>(10));
1597 >        try (PoolCleaner cleaner = cleaner(e)) {
1598 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1599 >            l.add(new StringTask());
1600 >            l.add(null);
1601 >            try {
1602 >                e.invokeAll(l);
1603 >                shouldThrow();
1604 >            } catch (NullPointerException success) {}
1605 >        }
1606 >    }
1607 >
1608 >    /**
1609 >     * get of element of invokeAll(c) throws exception on failed task
1610 >     */
1611 >    public void testInvokeAll4() throws Exception {
1612 >        final ExecutorService e =
1613 >            new ThreadPoolExecutor(2, 2,
1614 >                                   LONG_DELAY_MS, MILLISECONDS,
1615 >                                   new ArrayBlockingQueue<Runnable>(10));
1616 >        try (PoolCleaner cleaner = cleaner(e)) {
1617 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1618 >            l.add(new NPETask());
1619 >            List<Future<String>> futures = e.invokeAll(l);
1620 >            assertEquals(1, futures.size());
1621 >            try {
1622 >                futures.get(0).get();
1623 >                shouldThrow();
1624 >            } catch (ExecutionException success) {
1625 >                assertTrue(success.getCause() instanceof NullPointerException);
1626 >            }
1627 >        }
1628 >    }
1629 >
1630 >    /**
1631 >     * invokeAll(c) returns results of all completed tasks
1632 >     */
1633 >    public void testInvokeAll5() throws Exception {
1634 >        final ExecutorService e =
1635 >            new ThreadPoolExecutor(2, 2,
1636 >                                   LONG_DELAY_MS, MILLISECONDS,
1637 >                                   new ArrayBlockingQueue<Runnable>(10));
1638 >        try (PoolCleaner cleaner = cleaner(e)) {
1639 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1640 >            l.add(new StringTask());
1641 >            l.add(new StringTask());
1642 >            List<Future<String>> futures = e.invokeAll(l);
1643 >            assertEquals(2, futures.size());
1644 >            for (Future<String> future : futures)
1645 >                assertSame(TEST_STRING, future.get());
1646 >        }
1647 >    }
1648 >
1649 >    /**
1650 >     * timed invokeAny(null) throws NPE
1651 >     */
1652 >    public void testTimedInvokeAny1() throws Exception {
1653 >        final ExecutorService e =
1654 >            new ThreadPoolExecutor(2, 2,
1655 >                                   LONG_DELAY_MS, MILLISECONDS,
1656 >                                   new ArrayBlockingQueue<Runnable>(10));
1657 >        try (PoolCleaner cleaner = cleaner(e)) {
1658 >            try {
1659 >                e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1660 >                shouldThrow();
1661 >            } catch (NullPointerException success) {}
1662 >        }
1663 >    }
1664 >
1665 >    /**
1666 >     * timed invokeAny(,,null) throws NPE
1667 >     */
1668 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1669 >        final ExecutorService e =
1670 >            new ThreadPoolExecutor(2, 2,
1671 >                                   LONG_DELAY_MS, MILLISECONDS,
1672 >                                   new ArrayBlockingQueue<Runnable>(10));
1673 >        try (PoolCleaner cleaner = cleaner(e)) {
1674 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1675 >            l.add(new StringTask());
1676 >            try {
1677 >                e.invokeAny(l, MEDIUM_DELAY_MS, null);
1678 >                shouldThrow();
1679 >            } catch (NullPointerException success) {}
1680 >        }
1681 >    }
1682 >
1683 >    /**
1684 >     * timed invokeAny(empty collection) throws IAE
1685 >     */
1686 >    public void testTimedInvokeAny2() throws Exception {
1687 >        final ExecutorService e =
1688 >            new ThreadPoolExecutor(2, 2,
1689 >                                   LONG_DELAY_MS, MILLISECONDS,
1690 >                                   new ArrayBlockingQueue<Runnable>(10));
1691 >        try (PoolCleaner cleaner = cleaner(e)) {
1692 >            try {
1693 >                e.invokeAny(new ArrayList<Callable<String>>(),
1694 >                            MEDIUM_DELAY_MS, MILLISECONDS);
1695 >                shouldThrow();
1696 >            } catch (IllegalArgumentException success) {}
1697 >        }
1698 >    }
1699 >
1700 >    /**
1701 >     * timed invokeAny(c) throws NPE if c has null elements
1702 >     */
1703 >    public void testTimedInvokeAny3() throws Exception {
1704 >        final CountDownLatch latch = new CountDownLatch(1);
1705 >        final ExecutorService e =
1706 >            new ThreadPoolExecutor(2, 2,
1707 >                                   LONG_DELAY_MS, MILLISECONDS,
1708 >                                   new ArrayBlockingQueue<Runnable>(10));
1709 >        try (PoolCleaner cleaner = cleaner(e)) {
1710 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1711 >            l.add(latchAwaitingStringTask(latch));
1712 >            l.add(null);
1713 >            try {
1714 >                e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1715 >                shouldThrow();
1716 >            } catch (NullPointerException success) {}
1717 >            latch.countDown();
1718 >        }
1719 >    }
1720 >
1721 >    /**
1722 >     * timed invokeAny(c) throws ExecutionException if no task completes
1723 >     */
1724 >    public void testTimedInvokeAny4() throws Exception {
1725 >        final ExecutorService e =
1726 >            new ThreadPoolExecutor(2, 2,
1727 >                                   LONG_DELAY_MS, MILLISECONDS,
1728 >                                   new ArrayBlockingQueue<Runnable>(10));
1729 >        try (PoolCleaner cleaner = cleaner(e)) {
1730 >            long startTime = System.nanoTime();
1731 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1732 >            l.add(new NPETask());
1733 >            try {
1734 >                e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1735 >                shouldThrow();
1736 >            } catch (ExecutionException success) {
1737 >                assertTrue(success.getCause() instanceof NullPointerException);
1738 >            }
1739 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1740 >        }
1741 >    }
1742 >
1743 >    /**
1744 >     * timed invokeAny(c) returns result of some task
1745 >     */
1746 >    public void testTimedInvokeAny5() throws Exception {
1747 >        final ExecutorService e =
1748 >            new ThreadPoolExecutor(2, 2,
1749 >                                   LONG_DELAY_MS, MILLISECONDS,
1750 >                                   new ArrayBlockingQueue<Runnable>(10));
1751 >        try (PoolCleaner cleaner = cleaner(e)) {
1752 >            long startTime = System.nanoTime();
1753 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1754 >            l.add(new StringTask());
1755 >            l.add(new StringTask());
1756 >            String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS);
1757 >            assertSame(TEST_STRING, result);
1758 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1759 >        }
1760 >    }
1761 >
1762 >    /**
1763 >     * timed invokeAll(null) throws NPE
1764 >     */
1765 >    public void testTimedInvokeAll1() throws Exception {
1766 >        final ExecutorService e =
1767 >            new ThreadPoolExecutor(2, 2,
1768 >                                   LONG_DELAY_MS, MILLISECONDS,
1769 >                                   new ArrayBlockingQueue<Runnable>(10));
1770 >        try (PoolCleaner cleaner = cleaner(e)) {
1771 >            try {
1772 >                e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1773 >                shouldThrow();
1774 >            } catch (NullPointerException success) {}
1775 >        }
1776 >    }
1777 >
1778 >    /**
1779 >     * timed invokeAll(,,null) throws NPE
1780 >     */
1781 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1782 >        final ExecutorService e =
1783 >            new ThreadPoolExecutor(2, 2,
1784 >                                   LONG_DELAY_MS, MILLISECONDS,
1785 >                                   new ArrayBlockingQueue<Runnable>(10));
1786 >        try (PoolCleaner cleaner = cleaner(e)) {
1787 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1788 >            l.add(new StringTask());
1789 >            try {
1790 >                e.invokeAll(l, MEDIUM_DELAY_MS, null);
1791 >                shouldThrow();
1792 >            } catch (NullPointerException success) {}
1793 >        }
1794 >    }
1795 >
1796 >    /**
1797 >     * timed invokeAll(empty collection) returns empty collection
1798 >     */
1799 >    public void testTimedInvokeAll2() throws InterruptedException {
1800 >        final ExecutorService e =
1801 >            new ThreadPoolExecutor(2, 2,
1802 >                                   LONG_DELAY_MS, MILLISECONDS,
1803 >                                   new ArrayBlockingQueue<Runnable>(10));
1804 >        try (PoolCleaner cleaner = cleaner(e)) {
1805 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(),
1806 >                                                 MEDIUM_DELAY_MS, MILLISECONDS);
1807 >            assertTrue(r.isEmpty());
1808 >        }
1809 >    }
1810 >
1811 >    /**
1812 >     * timed invokeAll(c) throws NPE if c has null elements
1813 >     */
1814 >    public void testTimedInvokeAll3() throws Exception {
1815 >        final ExecutorService e =
1816 >            new ThreadPoolExecutor(2, 2,
1817 >                                   LONG_DELAY_MS, MILLISECONDS,
1818 >                                   new ArrayBlockingQueue<Runnable>(10));
1819 >        try (PoolCleaner cleaner = cleaner(e)) {
1820 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1821 >            l.add(new StringTask());
1822 >            l.add(null);
1823 >            try {
1824 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1825 >                shouldThrow();
1826 >            } catch (NullPointerException success) {}
1827 >        }
1828 >    }
1829 >
1830 >    /**
1831 >     * get of element of invokeAll(c) throws exception on failed task
1832 >     */
1833 >    public void testTimedInvokeAll4() throws Exception {
1834 >        final ExecutorService e =
1835 >            new ThreadPoolExecutor(2, 2,
1836 >                                   LONG_DELAY_MS, MILLISECONDS,
1837 >                                   new ArrayBlockingQueue<Runnable>(10));
1838 >        try (PoolCleaner cleaner = cleaner(e)) {
1839 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1840 >            l.add(new NPETask());
1841 >            List<Future<String>> futures =
1842 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1843 >            assertEquals(1, futures.size());
1844 >            try {
1845 >                futures.get(0).get();
1846 >                shouldThrow();
1847 >            } catch (ExecutionException success) {
1848 >                assertTrue(success.getCause() instanceof NullPointerException);
1849 >            }
1850 >        }
1851 >    }
1852 >
1853 >    /**
1854 >     * timed invokeAll(c) returns results of all completed tasks
1855 >     */
1856 >    public void testTimedInvokeAll5() throws Exception {
1857 >        final ExecutorService e =
1858 >            new ThreadPoolExecutor(2, 2,
1859 >                                   LONG_DELAY_MS, MILLISECONDS,
1860 >                                   new ArrayBlockingQueue<Runnable>(10));
1861 >        try (PoolCleaner cleaner = cleaner(e)) {
1862 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1863 >            l.add(new StringTask());
1864 >            l.add(new StringTask());
1865 >            List<Future<String>> futures =
1866 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1867 >            assertEquals(2, futures.size());
1868 >            for (Future<String> future : futures)
1869 >                assertSame(TEST_STRING, future.get());
1870 >        }
1871 >    }
1872 >
1873 >    /**
1874 >     * timed invokeAll(c) cancels tasks not completed by timeout
1875 >     */
1876 >    public void testTimedInvokeAll6() throws Exception {
1877 >        for (long timeout = timeoutMillis();;) {
1878 >            final CountDownLatch done = new CountDownLatch(1);
1879 >            final Callable<String> waiter = new CheckedCallable<String>() {
1880 >                public String realCall() {
1881 >                    try { done.await(LONG_DELAY_MS, MILLISECONDS); }
1882 >                    catch (InterruptedException ok) {}
1883 >                    return "1"; }};
1884 >            final ExecutorService p =
1885 >                new ThreadPoolExecutor(2, 2,
1886 >                                       LONG_DELAY_MS, MILLISECONDS,
1887 >                                       new ArrayBlockingQueue<Runnable>(10));
1888 >            try (PoolCleaner cleaner = cleaner(p, done)) {
1889 >                List<Callable<String>> tasks = new ArrayList<>();
1890 >                tasks.add(new StringTask("0"));
1891 >                tasks.add(waiter);
1892 >                tasks.add(new StringTask("2"));
1893 >                long startTime = System.nanoTime();
1894 >                List<Future<String>> futures =
1895 >                    p.invokeAll(tasks, timeout, MILLISECONDS);
1896 >                assertEquals(tasks.size(), futures.size());
1897 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1898 >                for (Future future : futures)
1899 >                    assertTrue(future.isDone());
1900 >                assertTrue(futures.get(1).isCancelled());
1901 >                try {
1902 >                    assertEquals("0", futures.get(0).get());
1903 >                    assertEquals("2", futures.get(2).get());
1904 >                    break;
1905 >                } catch (CancellationException retryWithLongerTimeout) {
1906 >                    timeout *= 2;
1907 >                    if (timeout >= LONG_DELAY_MS / 2)
1908 >                        fail("expected exactly one task to be cancelled");
1909 >                }
1910 >            }
1911 >        }
1912 >    }
1913 >
1914 >    /**
1915 >     * Execution continues if there is at least one thread even if
1916 >     * thread factory fails to create more
1917 >     */
1918 >    public void testFailingThreadFactory() throws InterruptedException {
1919 >        final ExecutorService e =
1920 >            new ThreadPoolExecutor(100, 100,
1921 >                                   LONG_DELAY_MS, MILLISECONDS,
1922 >                                   new LinkedBlockingQueue<Runnable>(),
1923 >                                   new FailingThreadFactory());
1924 >        try (PoolCleaner cleaner = cleaner(e)) {
1925 >            final int TASKS = 100;
1926 >            final CountDownLatch done = new CountDownLatch(TASKS);
1927 >            for (int k = 0; k < TASKS; ++k)
1928 >                e.execute(new CheckedRunnable() {
1929 >                    public void realRun() {
1930 >                        done.countDown();
1931 >                    }});
1932 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1933 >        }
1934 >    }
1935 >
1936 >    /**
1937 >     * allowsCoreThreadTimeOut is by default false.
1938 >     */
1939 >    public void testAllowsCoreThreadTimeOut() {
1940 >        final ThreadPoolExecutor p =
1941 >            new ThreadPoolExecutor(2, 2,
1942 >                                   1000, MILLISECONDS,
1943 >                                   new ArrayBlockingQueue<Runnable>(10));
1944 >        try (PoolCleaner cleaner = cleaner(p)) {
1945 >            assertFalse(p.allowsCoreThreadTimeOut());
1946 >        }
1947 >    }
1948 >
1949 >    /**
1950 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1951 >     */
1952 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1953 >        long keepAliveTime = timeoutMillis();
1954 >        final ThreadPoolExecutor p =
1955 >            new ThreadPoolExecutor(2, 10,
1956 >                                   keepAliveTime, MILLISECONDS,
1957 >                                   new ArrayBlockingQueue<Runnable>(10));
1958 >        try (PoolCleaner cleaner = cleaner(p)) {
1959 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1960 >            p.allowCoreThreadTimeOut(true);
1961 >            p.execute(new CheckedRunnable() {
1962 >                public void realRun() {
1963 >                    threadStarted.countDown();
1964 >                    assertEquals(1, p.getPoolSize());
1965 >                }});
1966 >            await(threadStarted);
1967 >            delay(keepAliveTime);
1968 >            long startTime = System.nanoTime();
1969 >            while (p.getPoolSize() > 0
1970 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1971 >                Thread.yield();
1972 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1973 >            assertEquals(0, p.getPoolSize());
1974 >        }
1975 >    }
1976 >
1977 >    /**
1978 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1979 >     */
1980 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1981 >        long keepAliveTime = timeoutMillis();
1982 >        final ThreadPoolExecutor p =
1983 >            new ThreadPoolExecutor(2, 10,
1984 >                                   keepAliveTime, MILLISECONDS,
1985 >                                   new ArrayBlockingQueue<Runnable>(10));
1986 >        try (PoolCleaner cleaner = cleaner(p)) {
1987 >            final CountDownLatch threadStarted = new CountDownLatch(1);
1988 >            p.allowCoreThreadTimeOut(false);
1989 >            p.execute(new CheckedRunnable() {
1990 >                public void realRun() throws InterruptedException {
1991 >                    threadStarted.countDown();
1992 >                    assertTrue(p.getPoolSize() >= 1);
1993 >                }});
1994 >            delay(2 * keepAliveTime);
1995 >            assertTrue(p.getPoolSize() >= 1);
1996 >        }
1997 >    }
1998 >
1999 >    /**
2000 >     * execute allows the same task to be submitted multiple times, even
2001 >     * if rejected
2002 >     */
2003 >    public void testRejectedRecycledTask() throws InterruptedException {
2004 >        final int nTasks = 1000;
2005 >        final CountDownLatch done = new CountDownLatch(nTasks);
2006 >        final Runnable recycledTask = new Runnable() {
2007 >            public void run() {
2008 >                done.countDown();
2009 >            }};
2010 >        final ThreadPoolExecutor p =
2011 >            new ThreadPoolExecutor(1, 30,
2012 >                                   60, SECONDS,
2013 >                                   new ArrayBlockingQueue(30));
2014 >        try (PoolCleaner cleaner = cleaner(p)) {
2015 >            for (int i = 0; i < nTasks; ++i) {
2016 >                for (;;) {
2017 >                    try {
2018 >                        p.execute(recycledTask);
2019 >                        break;
2020 >                    }
2021 >                    catch (RejectedExecutionException ignore) {}
2022 >                }
2023 >            }
2024 >            // enough time to run all tasks
2025 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2026 >        }
2027 >    }
2028 >
2029 >    /**
2030 >     * get(cancelled task) throws CancellationException
2031 >     */
2032 >    public void testGet_cancelled() throws Exception {
2033 >        final CountDownLatch done = new CountDownLatch(1);
2034 >        final ExecutorService e =
2035 >            new ThreadPoolExecutor(1, 1,
2036 >                                   LONG_DELAY_MS, MILLISECONDS,
2037 >                                   new LinkedBlockingQueue<Runnable>());
2038 >        try (PoolCleaner cleaner = cleaner(e, done)) {
2039 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2040 >            final List<Future<?>> futures = new ArrayList<>();
2041 >            for (int i = 0; i < 2; i++) {
2042 >                Runnable r = new CheckedRunnable() { public void realRun()
2043 >                                                         throws Throwable {
2044 >                    blockerStarted.countDown();
2045 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2046 >                }};
2047 >                futures.add(e.submit(r));
2048 >            }
2049 >            await(blockerStarted);
2050 >            for (Future<?> future : futures) future.cancel(false);
2051 >            for (Future<?> future : futures) {
2052 >                try {
2053 >                    future.get();
2054 >                    shouldThrow();
2055 >                } catch (CancellationException success) {}
2056 >                try {
2057 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2058 >                    shouldThrow();
2059 >                } catch (CancellationException success) {}
2060 >                assertTrue(future.isCancelled());
2061 >                assertTrue(future.isDone());
2062 >            }
2063          }
487        catch (IllegalArgumentException i19){}
2064      }
2065  
490    //---- Tests if corePoolSize is greater than the maximumPoolSize
491    public void testConstructor20() {
492        try{
493            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
494            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
495        }
496        catch (IllegalArgumentException i20){}
497    }
498
499    //---- Tests if workQueue is set to null
500    public void testNullPointerException6() {
501        try{
502            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
503            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
504        }
505        catch (NullPointerException n6){}  
506    }
507
508    //---- Tests if handler is set to null
509    public void testNullPointerException7() {
510        try{
511            RejectedExecutionHandler r = null;
512            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
513            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
514        }
515        catch (NullPointerException n7){}  
516    }
517
518    //---- Tests if ThradFactory is set top null
519    public void testNullPointerException8() {
520        try{
521            ThreadFactory f = null;
522            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
523            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
524        }
525        catch (NullPointerException n8){}  
526    }
527    
528
529    /**
530     *  Test to verify execute will throw RejectedExcutionException
531     *  ThreadPoolExecutor will throw one when more runnables are
532     *  executed then will fit in the Queue.
533     */
534    public void testRejectedExecutedException(){
535        ThreadPoolExecutor tpe = null;
536        try{
537            tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
538        } catch(Exception e){}
539        tpe.shutdown();
540        try{
541            tpe.execute(new Runnable(){
542                    public void run(){
543                        try{
544                            Thread.sleep(1000);
545                        } catch(InterruptedException e){}
546                    }
547                });
548            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549        } catch(RejectedExecutionException success){}
550        
551        
552    }
553    
554    /**
555     *  Test to verify setCorePoolSize will throw IllegalArgumentException
556     *  when given a negative
557     */
558    public void testIllegalArgumentException1(){
559        ThreadPoolExecutor tpe = null;
560        try{
561            tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
562        } catch(Exception e){}
563        try{
564            tpe.setCorePoolSize(-1);
565            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
566        } catch(IllegalArgumentException success){
567        } finally {
568            tpe.shutdown();
569        }
570    }  
571
572    
573    /**
574     *  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
575     *  if given a value less the it's actual core pool size
576     */  
577    public void testIllegalArgumentException2(){
578        ThreadPoolExecutor tpe = null;
579        try{
580            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
581        } catch(Exception e){}
582        try{
583            tpe.setMaximumPoolSize(1);
584            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
585        } catch(IllegalArgumentException success){
586        } finally {
587            tpe.shutdown();
588        }
589    }
590    
591    /**
592     *  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593     *  if given a negative number
594     */
595    public void testIllegalArgumentException2SP(){
596        ThreadPoolExecutor tpe = null;
597        try{
598            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
599        } catch(Exception e){}
600        try{
601            tpe.setMaximumPoolSize(-1);
602            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
603        } catch(IllegalArgumentException success){
604        } finally {
605            tpe.shutdown();
606        }
607    }
608    
609
610    /**
611     *  Test to verify setKeepAliveTime will throw IllegalArgumentException
612     *  when given a negative value
613     */
614    public void testIllegalArgumentException3(){
615        ThreadPoolExecutor tpe = null;
616        try{
617            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
618        } catch(Exception e){}
619        
620        try{
621            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
622            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
623        } catch(IllegalArgumentException success){
624        } finally {
625            tpe.shutdown();
626        }
627    }
628  
629    
630  
2066   }

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