ViewVC Help
View File | Revision Log | Show Annotations | Download File | Root Listing
root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java
(Generate patch)

Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.3 by dl, Sun Sep 14 20:42:41 2003 UTC vs.
Revision 1.66 by jsr166, Sun Oct 4 01:18:25 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37   public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
45 <    /**
46 <     * For use as ThreadFactory in constructors
47 <     */
48 <    static class MyThreadFactory implements ThreadFactory{
49 <        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      /**
83 <     * For use as RejectedExecutionHandler in constructors
83 >     * execute successfully executes a runnable
84       */
85 <    static class MyREHandler implements RejectedExecutionHandler{
86 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        final CountDownLatch done = new CountDownLatch(1);
91 >        final Runnable task = new CheckedRunnable() {
92 >            public void realRun() {
93 >                done.countDown();
94 >            }};
95 >        try {
96 >            p.execute(task);
97 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
98 >        } finally {
99 >            joinPool(p);
100 >        }
101      }
102 <
102 >
103      /**
104 <     *   execute successfully executes a runnable
104 >     * getActiveCount increases but doesn't overestimate, when a
105 >     * thread becomes active
106       */
107 <    public void testExecute(){
108 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
107 >    public void testGetActiveCount() throws InterruptedException {
108 >        final ThreadPoolExecutor p =
109 >            new ThreadPoolExecutor(2, 2,
110 >                                   LONG_DELAY_MS, MILLISECONDS,
111 >                                   new ArrayBlockingQueue<Runnable>(10));
112 >        final CountDownLatch threadStarted = new CountDownLatch(1);
113 >        final CountDownLatch done = new CountDownLatch(1);
114          try {
115 <            one.execute(new Runnable(){
116 <                    public void run(){
117 <                        try{
118 <                            Thread.sleep(SHORT_DELAY_MS);
119 <                        } catch(InterruptedException e){
120 <                            fail("unexpected exception");
121 <                        }
122 <                    }
123 <                });
124 <            Thread.sleep(SMALL_DELAY_MS);
125 <        } catch(InterruptedException e){
126 <            fail("unexpected exception");
127 <        }
55 <        joinPool(one);
115 >            assertEquals(0, p.getActiveCount());
116 >            p.execute(new CheckedRunnable() {
117 >                public void realRun() throws InterruptedException {
118 >                    threadStarted.countDown();
119 >                    assertEquals(1, p.getActiveCount());
120 >                    done.await();
121 >                }});
122 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
123 >            assertEquals(1, p.getActiveCount());
124 >        } finally {
125 >            done.countDown();
126 >            joinPool(p);
127 >        }
128      }
129  
130      /**
131 <     *   getActiveCount gives correct values
131 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
132       */
133 <    public void testGetActiveCount(){
134 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
135 <        assertEquals(0, two.getActiveCount());
136 <        two.execute(new MediumRunnable());
137 <        try{
138 <            Thread.sleep(SHORT_DELAY_MS);
139 <        } catch(Exception e){
140 <            fail("unexpected exception");
133 >    public void testPrestartCoreThread() {
134 >        final ThreadPoolExecutor p =
135 >            new ThreadPoolExecutor(2, 6,
136 >                                   LONG_DELAY_MS, MILLISECONDS,
137 >                                   new ArrayBlockingQueue<Runnable>(10));
138 >        try (PoolCleaner cleaner = cleaner(p)) {
139 >            assertEquals(0, p.getPoolSize());
140 >            assertTrue(p.prestartCoreThread());
141 >            assertEquals(1, p.getPoolSize());
142 >            assertTrue(p.prestartCoreThread());
143 >            assertEquals(2, p.getPoolSize());
144 >            assertFalse(p.prestartCoreThread());
145 >            assertEquals(2, p.getPoolSize());
146 >            p.setCorePoolSize(4);
147 >            assertTrue(p.prestartCoreThread());
148 >            assertEquals(3, p.getPoolSize());
149 >            assertTrue(p.prestartCoreThread());
150 >            assertEquals(4, p.getPoolSize());
151 >            assertFalse(p.prestartCoreThread());
152 >            assertEquals(4, p.getPoolSize());
153          }
70        assertEquals(1, two.getActiveCount());
71        joinPool(two);
154      }
155 <    
155 >
156      /**
157 <     *   getCompleteTaskCount gives correct values
157 >     * prestartAllCoreThreads starts all corePoolSize threads
158       */
159 <    public void testGetCompletedTaskCount(){
160 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
161 <        assertEquals(0, two.getCompletedTaskCount());
162 <        two.execute(new ShortRunnable());
163 <        try{
164 <            Thread.sleep(MEDIUM_DELAY_MS);
165 <        } catch(Exception e){
166 <            fail("unexpected exception");
159 >    public void testPrestartAllCoreThreads() {
160 >        final ThreadPoolExecutor p =
161 >            new ThreadPoolExecutor(2, 2,
162 >                                   LONG_DELAY_MS, MILLISECONDS,
163 >                                   new ArrayBlockingQueue<Runnable>(10));
164 >        assertEquals(0, p.getPoolSize());
165 >        p.prestartAllCoreThreads();
166 >        assertEquals(2, p.getPoolSize());
167 >        p.prestartAllCoreThreads();
168 >        assertEquals(2, p.getPoolSize());
169 >        joinPool(p);
170 >    }
171 >
172 >    /**
173 >     * getCompletedTaskCount increases, but doesn't overestimate,
174 >     * when tasks complete
175 >     */
176 >    public void testGetCompletedTaskCount() throws InterruptedException {
177 >        final ThreadPoolExecutor p =
178 >            new ThreadPoolExecutor(2, 2,
179 >                                   LONG_DELAY_MS, MILLISECONDS,
180 >                                   new ArrayBlockingQueue<Runnable>(10));
181 >        final CountDownLatch threadStarted = new CountDownLatch(1);
182 >        final CountDownLatch threadProceed = new CountDownLatch(1);
183 >        final CountDownLatch threadDone = new CountDownLatch(1);
184 >        try {
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            p.execute(new CheckedRunnable() {
187 >                public void realRun() throws InterruptedException {
188 >                    threadStarted.countDown();
189 >                    assertEquals(0, p.getCompletedTaskCount());
190 >                    threadProceed.await();
191 >                    threadDone.countDown();
192 >                }});
193 >            await(threadStarted);
194 >            assertEquals(0, p.getCompletedTaskCount());
195 >            threadProceed.countDown();
196 >            threadDone.await();
197 >            long startTime = System.nanoTime();
198 >            while (p.getCompletedTaskCount() != 1) {
199 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
200 >                    fail("timed out");
201 >                Thread.yield();
202 >            }
203 >        } finally {
204 >            joinPool(p);
205          }
86        assertEquals(1, two.getCompletedTaskCount());
87        two.shutdown();
88        joinPool(two);
206      }
207 <    
207 >
208      /**
209 <     *   getCorePoolSize gives correct values
209 >     * getCorePoolSize returns size given in constructor if not otherwise set
210       */
211 <    public void testGetCorePoolSize(){
212 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
213 <        assertEquals(1, one.getCorePoolSize());
214 <        joinPool(one);
211 >    public void testGetCorePoolSize() {
212 >        final ThreadPoolExecutor p =
213 >            new ThreadPoolExecutor(1, 1,
214 >                                   LONG_DELAY_MS, MILLISECONDS,
215 >                                   new ArrayBlockingQueue<Runnable>(10));
216 >        assertEquals(1, p.getCorePoolSize());
217 >        joinPool(p);
218      }
219 <    
219 >
220      /**
221 <     *   getKeepAliveTime gives correct values
221 >     * getKeepAliveTime returns value given in constructor if not otherwise set
222       */
223 <    public void testGetKeepAliveTime(){
224 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
225 <        assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
226 <        joinPool(two);
223 >    public void testGetKeepAliveTime() {
224 >        final ThreadPoolExecutor p =
225 >            new ThreadPoolExecutor(2, 2,
226 >                                   1000, MILLISECONDS,
227 >                                   new ArrayBlockingQueue<Runnable>(10));
228 >        assertEquals(1, p.getKeepAliveTime(SECONDS));
229 >        joinPool(p);
230      }
231 <    
231 >
232      /**
233 <     *   getLargestPoolSize gives correct values
233 >     * getThreadFactory returns factory in constructor if not set
234       */
235 <    public void testGetLargestPoolSize(){
236 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
235 >    public void testGetThreadFactory() {
236 >        ThreadFactory tf = new SimpleThreadFactory();
237 >        final ThreadPoolExecutor p =
238 >            new ThreadPoolExecutor(1, 2,
239 >                                   LONG_DELAY_MS, MILLISECONDS,
240 >                                   new ArrayBlockingQueue<Runnable>(10),
241 >                                   tf,
242 >                                   new NoOpREHandler());
243 >        assertSame(tf, p.getThreadFactory());
244 >        joinPool(p);
245 >    }
246 >
247 >    /**
248 >     * setThreadFactory sets the thread factory returned by getThreadFactory
249 >     */
250 >    public void testSetThreadFactory() {
251 >        final ThreadPoolExecutor p =
252 >            new ThreadPoolExecutor(1, 2,
253 >                                   LONG_DELAY_MS, MILLISECONDS,
254 >                                   new ArrayBlockingQueue<Runnable>(10));
255 >        ThreadFactory tf = new SimpleThreadFactory();
256 >        p.setThreadFactory(tf);
257 >        assertSame(tf, p.getThreadFactory());
258 >        joinPool(p);
259 >    }
260 >
261 >    /**
262 >     * setThreadFactory(null) throws NPE
263 >     */
264 >    public void testSetThreadFactoryNull() {
265 >        final ThreadPoolExecutor p =
266 >            new ThreadPoolExecutor(1, 2,
267 >                                   LONG_DELAY_MS, MILLISECONDS,
268 >                                   new ArrayBlockingQueue<Runnable>(10));
269          try {
270 <            assertEquals(0, two.getLargestPoolSize());
271 <            two.execute(new MediumRunnable());
272 <            two.execute(new MediumRunnable());
273 <            Thread.sleep(SHORT_DELAY_MS);
274 <            assertEquals(2, two.getLargestPoolSize());
275 <        } catch(Exception e){
121 <            fail("unexpected exception");
122 <        }
123 <        joinPool(two);
270 >            p.setThreadFactory(null);
271 >            shouldThrow();
272 >        } catch (NullPointerException success) {
273 >        } finally {
274 >            joinPool(p);
275 >        }
276      }
277 <    
277 >
278      /**
279 <     *   getMaximumPoolSize gives correct values
279 >     * getRejectedExecutionHandler returns handler in constructor if not set
280       */
281 <    public void testGetMaximumPoolSize(){
282 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
283 <        assertEquals(2, two.getMaximumPoolSize());
284 <        joinPool(two);
281 >    public void testGetRejectedExecutionHandler() {
282 >        final RejectedExecutionHandler h = new NoOpREHandler();
283 >        final ThreadPoolExecutor p =
284 >            new ThreadPoolExecutor(1, 2,
285 >                                   LONG_DELAY_MS, MILLISECONDS,
286 >                                   new ArrayBlockingQueue<Runnable>(10),
287 >                                   h);
288 >        assertSame(h, p.getRejectedExecutionHandler());
289 >        joinPool(p);
290      }
291 <    
291 >
292      /**
293 <     *   getPoolSize gives correct values
293 >     * setRejectedExecutionHandler sets the handler returned by
294 >     * getRejectedExecutionHandler
295       */
296 <    public void testGetPoolSize(){
297 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
298 <        assertEquals(0, one.getPoolSize());
299 <        one.execute(new MediumRunnable());
300 <        assertEquals(1, one.getPoolSize());
301 <        joinPool(one);
296 >    public void testSetRejectedExecutionHandler() {
297 >        final ThreadPoolExecutor p =
298 >            new ThreadPoolExecutor(1, 2,
299 >                                   LONG_DELAY_MS, MILLISECONDS,
300 >                                   new ArrayBlockingQueue<Runnable>(10));
301 >        RejectedExecutionHandler h = new NoOpREHandler();
302 >        p.setRejectedExecutionHandler(h);
303 >        assertSame(h, p.getRejectedExecutionHandler());
304 >        joinPool(p);
305      }
306 <    
306 >
307      /**
308 <     *   getTaskCount gives correct values
308 >     * setRejectedExecutionHandler(null) throws NPE
309       */
310 <    public void testGetTaskCount(){
311 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
310 >    public void testSetRejectedExecutionHandlerNull() {
311 >        final ThreadPoolExecutor p =
312 >            new ThreadPoolExecutor(1, 2,
313 >                                   LONG_DELAY_MS, MILLISECONDS,
314 >                                   new ArrayBlockingQueue<Runnable>(10));
315          try {
316 <            assertEquals(0, one.getTaskCount());
317 <            for(int i = 0; i < 5; i++)
318 <                one.execute(new MediumRunnable());
319 <            Thread.sleep(SHORT_DELAY_MS);
320 <            assertEquals(5, one.getTaskCount());
321 <        } catch(Exception e){
158 <            fail("unexpected exception");
159 <        }
160 <        joinPool(one);
316 >            p.setRejectedExecutionHandler(null);
317 >            shouldThrow();
318 >        } catch (NullPointerException success) {
319 >        } finally {
320 >            joinPool(p);
321 >        }
322      }
323 <    
323 >
324      /**
325 <     *   isShutDown gives correct values
325 >     * getLargestPoolSize increases, but doesn't overestimate, when
326 >     * multiple threads active
327       */
328 <    public void testIsShutdown(){
329 <        
330 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
331 <        assertFalse(one.isShutdown());
332 <        one.shutdown();
333 <        assertTrue(one.isShutdown());
334 <        joinPool(one);
328 >    public void testGetLargestPoolSize() throws InterruptedException {
329 >        final int THREADS = 3;
330 >        final ThreadPoolExecutor p =
331 >            new ThreadPoolExecutor(THREADS, THREADS,
332 >                                   LONG_DELAY_MS, MILLISECONDS,
333 >                                   new ArrayBlockingQueue<Runnable>(10));
334 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
335 >        final CountDownLatch done = new CountDownLatch(1);
336 >        try {
337 >            assertEquals(0, p.getLargestPoolSize());
338 >            for (int i = 0; i < THREADS; i++)
339 >                p.execute(new CheckedRunnable() {
340 >                    public void realRun() throws InterruptedException {
341 >                        threadsStarted.countDown();
342 >                        done.await();
343 >                        assertEquals(THREADS, p.getLargestPoolSize());
344 >                    }});
345 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
346 >            assertEquals(THREADS, p.getLargestPoolSize());
347 >        } finally {
348 >            done.countDown();
349 >            joinPool(p);
350 >            assertEquals(THREADS, p.getLargestPoolSize());
351 >        }
352 >    }
353 >
354 >    /**
355 >     * getMaximumPoolSize returns value given in constructor if not
356 >     * otherwise set
357 >     */
358 >    public void testGetMaximumPoolSize() {
359 >        final ThreadPoolExecutor p =
360 >            new ThreadPoolExecutor(2, 3,
361 >                                   LONG_DELAY_MS, MILLISECONDS,
362 >                                   new ArrayBlockingQueue<Runnable>(10));
363 >        assertEquals(3, p.getMaximumPoolSize());
364 >        joinPool(p);
365      }
366  
175        
367      /**
368 <     *   isTerminated gives correct values
369 <     *  Makes sure termination does not take an innapropriate
179 <     *  amount of time
368 >     * getPoolSize increases, but doesn't overestimate, when threads
369 >     * become active
370       */
371 <    public void testIsTerminated(){
372 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
371 >    public void testGetPoolSize() throws InterruptedException {
372 >        final ThreadPoolExecutor p =
373 >            new ThreadPoolExecutor(1, 1,
374 >                                   LONG_DELAY_MS, MILLISECONDS,
375 >                                   new ArrayBlockingQueue<Runnable>(10));
376 >        final CountDownLatch threadStarted = new CountDownLatch(1);
377 >        final CountDownLatch done = new CountDownLatch(1);
378          try {
379 <            one.execute(new MediumRunnable());
379 >            assertEquals(0, p.getPoolSize());
380 >            p.execute(new CheckedRunnable() {
381 >                public void realRun() throws InterruptedException {
382 >                    threadStarted.countDown();
383 >                    assertEquals(1, p.getPoolSize());
384 >                    done.await();
385 >                }});
386 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
387 >            assertEquals(1, p.getPoolSize());
388          } finally {
389 <            one.shutdown();
389 >            done.countDown();
390 >            joinPool(p);
391          }
188        try {
189            assertTrue(one.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
190            assertTrue(one.isTerminated());
191        } catch(Exception e){
192            fail("unexpected exception");
193        }      
392      }
393  
394      /**
395 <     *   purge correctly removes cancelled tasks
198 <     *  from the queue
395 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
396       */
397 <    public void testPurge(){
398 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
399 <        CancellableTask[] tasks = new CancellableTask[5];
400 <        for(int i = 0; i < 5; i++){
401 <            tasks[i] = new CancellableTask(new MediumPossiblyInterruptedRunnable());
402 <            one.execute(tasks[i]);
397 >    public void testGetTaskCount() throws InterruptedException {
398 >        final ThreadPoolExecutor p =
399 >            new ThreadPoolExecutor(1, 1,
400 >                                   LONG_DELAY_MS, MILLISECONDS,
401 >                                   new ArrayBlockingQueue<Runnable>(10));
402 >        final CountDownLatch threadStarted = new CountDownLatch(1);
403 >        final CountDownLatch done = new CountDownLatch(1);
404 >        try {
405 >            assertEquals(0, p.getTaskCount());
406 >            p.execute(new CheckedRunnable() {
407 >                public void realRun() throws InterruptedException {
408 >                    threadStarted.countDown();
409 >                    assertEquals(1, p.getTaskCount());
410 >                    done.await();
411 >                }});
412 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
413 >            assertEquals(1, p.getTaskCount());
414 >        } finally {
415 >            done.countDown();
416 >            joinPool(p);
417          }
207        tasks[4].cancel(true);
208        tasks[3].cancel(true);
209        one.purge();
210        long count = one.getTaskCount();
211        assertTrue(count >= 2 && count < 5);
212        joinPool(one);
418      }
419  
420      /**
421 <     *   shutDownNow returns a list
422 <     *  containing the correct number of elements
421 >     * isShutdown is false before shutdown, true after
422 >     */
423 >    public void testIsShutdown() {
424 >        final ThreadPoolExecutor p =
425 >            new ThreadPoolExecutor(1, 1,
426 >                                   LONG_DELAY_MS, MILLISECONDS,
427 >                                   new ArrayBlockingQueue<Runnable>(10));
428 >        assertFalse(p.isShutdown());
429 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
430 >        assertTrue(p.isShutdown());
431 >        joinPool(p);
432 >    }
433 >
434 >    /**
435 >     * awaitTermination on a non-shutdown pool times out
436 >     */
437 >    public void testAwaitTermination_timesOut() throws InterruptedException {
438 >        final ThreadPoolExecutor p =
439 >            new ThreadPoolExecutor(1, 1,
440 >                                   LONG_DELAY_MS, MILLISECONDS,
441 >                                   new ArrayBlockingQueue<Runnable>(10));
442 >        assertFalse(p.isTerminated());
443 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
444 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
445 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
446 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
447 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
448 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
449 >        long timeoutNanos = 999999L;
450 >        long startTime = System.nanoTime();
451 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
452 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
453 >        assertFalse(p.isTerminated());
454 >        startTime = System.nanoTime();
455 >        long timeoutMillis = timeoutMillis();
456 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
457 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
458 >        assertFalse(p.isTerminated());
459 >        p.shutdown();
460 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
461 >        assertTrue(p.isTerminated());
462 >    }
463 >
464 >    /**
465 >     * isTerminated is false before termination, true after
466       */
467 <    public void testShutDownNow(){
468 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
469 <        List l;
467 >    public void testIsTerminated() throws InterruptedException {
468 >        final ThreadPoolExecutor p =
469 >            new ThreadPoolExecutor(1, 1,
470 >                                   LONG_DELAY_MS, MILLISECONDS,
471 >                                   new ArrayBlockingQueue<Runnable>(10));
472 >        final CountDownLatch threadStarted = new CountDownLatch(1);
473 >        final CountDownLatch done = new CountDownLatch(1);
474 >        assertFalse(p.isTerminated());
475          try {
476 <            for(int i = 0; i < 5; i++)
477 <                one.execute(new MediumPossiblyInterruptedRunnable());
476 >            p.execute(new CheckedRunnable() {
477 >                public void realRun() throws InterruptedException {
478 >                    assertFalse(p.isTerminated());
479 >                    threadStarted.countDown();
480 >                    done.await();
481 >                }});
482 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
483 >            assertFalse(p.isTerminating());
484 >            done.countDown();
485 >        } finally {
486 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
487          }
488 <        finally {
489 <            l = one.shutdownNow();
488 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
489 >        assertTrue(p.isTerminated());
490 >    }
491 >
492 >    /**
493 >     * isTerminating is not true when running or when terminated
494 >     */
495 >    public void testIsTerminating() throws InterruptedException {
496 >        final ThreadPoolExecutor p =
497 >            new ThreadPoolExecutor(1, 1,
498 >                                   LONG_DELAY_MS, MILLISECONDS,
499 >                                   new ArrayBlockingQueue<Runnable>(10));
500 >        final CountDownLatch threadStarted = new CountDownLatch(1);
501 >        final CountDownLatch done = new CountDownLatch(1);
502 >        try {
503 >            assertFalse(p.isTerminating());
504 >            p.execute(new CheckedRunnable() {
505 >                public void realRun() throws InterruptedException {
506 >                    assertFalse(p.isTerminating());
507 >                    threadStarted.countDown();
508 >                    done.await();
509 >                }});
510 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
511 >            assertFalse(p.isTerminating());
512 >            done.countDown();
513 >        } finally {
514 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
515          }
516 <        assertTrue(one.isShutdown());
517 <        assertTrue(l.size() <= 4);
516 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
517 >        assertTrue(p.isTerminated());
518 >        assertFalse(p.isTerminating());
519 >    }
520 >
521 >    /**
522 >     * getQueue returns the work queue, which contains queued tasks
523 >     */
524 >    public void testGetQueue() throws InterruptedException {
525 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
526 >        final ThreadPoolExecutor p =
527 >            new ThreadPoolExecutor(1, 1,
528 >                                   LONG_DELAY_MS, MILLISECONDS,
529 >                                   q);
530 >        final CountDownLatch threadStarted = new CountDownLatch(1);
531 >        final CountDownLatch done = new CountDownLatch(1);
532 >        try {
533 >            FutureTask[] tasks = new FutureTask[5];
534 >            for (int i = 0; i < tasks.length; i++) {
535 >                Callable task = new CheckedCallable<Boolean>() {
536 >                    public Boolean realCall() throws InterruptedException {
537 >                        threadStarted.countDown();
538 >                        assertSame(q, p.getQueue());
539 >                        done.await();
540 >                        return Boolean.TRUE;
541 >                    }};
542 >                tasks[i] = new FutureTask(task);
543 >                p.execute(tasks[i]);
544 >            }
545 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
546 >            assertSame(q, p.getQueue());
547 >            assertFalse(q.contains(tasks[0]));
548 >            assertTrue(q.contains(tasks[tasks.length - 1]));
549 >            assertEquals(tasks.length - 1, q.size());
550 >        } finally {
551 >            done.countDown();
552 >            joinPool(p);
553 >        }
554 >    }
555 >
556 >    /**
557 >     * remove(task) removes queued task, and fails to remove active task
558 >     */
559 >    public void testRemove() throws InterruptedException {
560 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
561 >        final ThreadPoolExecutor p =
562 >            new ThreadPoolExecutor(1, 1,
563 >                                   LONG_DELAY_MS, MILLISECONDS,
564 >                                   q);
565 >        Runnable[] tasks = new Runnable[5];
566 >        final CountDownLatch threadStarted = new CountDownLatch(1);
567 >        final CountDownLatch done = new CountDownLatch(1);
568 >        try {
569 >            for (int i = 0; i < tasks.length; i++) {
570 >                tasks[i] = new CheckedRunnable() {
571 >                    public void realRun() throws InterruptedException {
572 >                        threadStarted.countDown();
573 >                        done.await();
574 >                    }};
575 >                p.execute(tasks[i]);
576 >            }
577 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
578 >            assertFalse(p.remove(tasks[0]));
579 >            assertTrue(q.contains(tasks[4]));
580 >            assertTrue(q.contains(tasks[3]));
581 >            assertTrue(p.remove(tasks[4]));
582 >            assertFalse(p.remove(tasks[4]));
583 >            assertFalse(q.contains(tasks[4]));
584 >            assertTrue(q.contains(tasks[3]));
585 >            assertTrue(p.remove(tasks[3]));
586 >            assertFalse(q.contains(tasks[3]));
587 >        } finally {
588 >            done.countDown();
589 >            joinPool(p);
590 >        }
591 >    }
592 >
593 >    /**
594 >     * purge removes cancelled tasks from the queue
595 >     */
596 >    public void testPurge() throws InterruptedException {
597 >        final CountDownLatch threadStarted = new CountDownLatch(1);
598 >        final CountDownLatch done = new CountDownLatch(1);
599 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
600 >        final ThreadPoolExecutor p =
601 >            new ThreadPoolExecutor(1, 1,
602 >                                   LONG_DELAY_MS, MILLISECONDS,
603 >                                   q);
604 >        FutureTask[] tasks = new FutureTask[5];
605 >        try {
606 >            for (int i = 0; i < tasks.length; i++) {
607 >                Callable task = new CheckedCallable<Boolean>() {
608 >                    public Boolean realCall() throws InterruptedException {
609 >                        threadStarted.countDown();
610 >                        done.await();
611 >                        return Boolean.TRUE;
612 >                    }};
613 >                tasks[i] = new FutureTask(task);
614 >                p.execute(tasks[i]);
615 >            }
616 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
617 >            assertEquals(tasks.length, p.getTaskCount());
618 >            assertEquals(tasks.length - 1, q.size());
619 >            assertEquals(1L, p.getActiveCount());
620 >            assertEquals(0L, p.getCompletedTaskCount());
621 >            tasks[4].cancel(true);
622 >            tasks[3].cancel(false);
623 >            p.purge();
624 >            assertEquals(tasks.length - 3, q.size());
625 >            assertEquals(tasks.length - 2, p.getTaskCount());
626 >            p.purge();         // Nothing to do
627 >            assertEquals(tasks.length - 3, q.size());
628 >            assertEquals(tasks.length - 2, p.getTaskCount());
629 >        } finally {
630 >            done.countDown();
631 >            joinPool(p);
632 >        }
633 >    }
634 >
635 >    /**
636 >     * shutdownNow returns a list containing tasks that were not run,
637 >     * and those tasks are drained from the queue
638 >     */
639 >    public void testShutdownNow() throws InterruptedException {
640 >        final int poolSize = 2;
641 >        final int count = 5;
642 >        final AtomicInteger ran = new AtomicInteger(0);
643 >        final ThreadPoolExecutor p =
644 >            new ThreadPoolExecutor(poolSize, poolSize,
645 >                                   LONG_DELAY_MS, MILLISECONDS,
646 >                                   new ArrayBlockingQueue<Runnable>(10));
647 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
648 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
649 >            threadsStarted.countDown();
650 >            try {
651 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
652 >            } catch (InterruptedException success) {}
653 >            ran.getAndIncrement();
654 >        }};
655 >        for (int i = 0; i < count; i++)
656 >            p.execute(waiter);
657 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
658 >        assertEquals(poolSize, p.getActiveCount());
659 >        assertEquals(0, p.getCompletedTaskCount());
660 >        final List<Runnable> queuedTasks;
661 >        try {
662 >            queuedTasks = p.shutdownNow();
663 >        } catch (SecurityException ok) {
664 >            return; // Allowed in case test doesn't have privs
665 >        }
666 >        assertTrue(p.isShutdown());
667 >        assertTrue(p.getQueue().isEmpty());
668 >        assertEquals(count - poolSize, queuedTasks.size());
669 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
670 >        assertTrue(p.isTerminated());
671 >        assertEquals(poolSize, ran.get());
672 >        assertEquals(poolSize, p.getCompletedTaskCount());
673      }
674  
675      // Exception Tests
234    
676  
677 <    /** Throws if corePoolSize argument is less than zero */
677 >    /**
678 >     * Constructor throws if corePoolSize argument is less than zero
679 >     */
680      public void testConstructor1() {
681 <        try{
682 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
683 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
684 <        }
685 <        catch (IllegalArgumentException success){}
681 >        try {
682 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
683 >                                   new ArrayBlockingQueue<Runnable>(10));
684 >            shouldThrow();
685 >        } catch (IllegalArgumentException success) {}
686      }
687 <    
688 <    /** Throws if maximumPoolSize is less than zero */
687 >
688 >    /**
689 >     * Constructor throws if maximumPoolSize is less than zero
690 >     */
691      public void testConstructor2() {
692 <        try{
693 <            new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
694 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
695 <        }
696 <        catch (IllegalArgumentException success){}
692 >        try {
693 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
694 >                                   new ArrayBlockingQueue<Runnable>(10));
695 >            shouldThrow();
696 >        } catch (IllegalArgumentException success) {}
697      }
698 <    
699 <    /** Throws if maximumPoolSize is equal to zero */
698 >
699 >    /**
700 >     * Constructor throws if maximumPoolSize is equal to zero
701 >     */
702      public void testConstructor3() {
703 <        try{
704 <            new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
705 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
706 <        }
707 <        catch (IllegalArgumentException success){}
703 >        try {
704 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
705 >                                   new ArrayBlockingQueue<Runnable>(10));
706 >            shouldThrow();
707 >        } catch (IllegalArgumentException success) {}
708      }
709  
710 <    /** Throws if keepAliveTime is less than zero */
710 >    /**
711 >     * Constructor throws if keepAliveTime is less than zero
712 >     */
713      public void testConstructor4() {
714 <        try{
715 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
716 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
717 <        }
718 <        catch (IllegalArgumentException success){}
714 >        try {
715 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
716 >                                   new ArrayBlockingQueue<Runnable>(10));
717 >            shouldThrow();
718 >        } catch (IllegalArgumentException success) {}
719      }
720  
721 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
721 >    /**
722 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
723 >     */
724      public void testConstructor5() {
725 <        try{
726 <            new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
727 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
728 <        }
729 <        catch (IllegalArgumentException success){}
725 >        try {
726 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
727 >                                   new ArrayBlockingQueue<Runnable>(10));
728 >            shouldThrow();
729 >        } catch (IllegalArgumentException success) {}
730      }
731 <        
732 <    /** Throws if workQueue is set to null */
733 <    public void testNullPointerException() {
734 <        try{
735 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null);
736 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
737 <        }
738 <        catch (NullPointerException success){}  
731 >
732 >    /**
733 >     * Constructor throws if workQueue is set to null
734 >     */
735 >    public void testConstructorNullPointerException() {
736 >        try {
737 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
738 >                                   (BlockingQueue) null);
739 >            shouldThrow();
740 >        } catch (NullPointerException success) {}
741      }
289    
742  
743 <    
744 <    /** Throws if corePoolSize argument is less than zero */
743 >    /**
744 >     * Constructor throws if corePoolSize argument is less than zero
745 >     */
746      public void testConstructor6() {
747 <        try{
748 <            new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
749 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
750 <        } catch (IllegalArgumentException success){}
747 >        try {
748 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
749 >                                   new ArrayBlockingQueue<Runnable>(10),
750 >                                   new SimpleThreadFactory());
751 >            shouldThrow();
752 >        } catch (IllegalArgumentException success) {}
753      }
754 <    
755 <    /** Throws if maximumPoolSize is less than zero */
754 >
755 >    /**
756 >     * Constructor throws if maximumPoolSize is less than zero
757 >     */
758      public void testConstructor7() {
759 <        try{
760 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
761 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
762 <        }
763 <        catch (IllegalArgumentException success){}
759 >        try {
760 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
761 >                                   new ArrayBlockingQueue<Runnable>(10),
762 >                                   new SimpleThreadFactory());
763 >            shouldThrow();
764 >        } catch (IllegalArgumentException success) {}
765      }
766  
767 <    /** Throws if maximumPoolSize is equal to zero */
767 >    /**
768 >     * Constructor throws if maximumPoolSize is equal to zero
769 >     */
770      public void testConstructor8() {
771 <        try{
772 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
773 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
774 <        }
775 <        catch (IllegalArgumentException success){}
771 >        try {
772 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
773 >                                   new ArrayBlockingQueue<Runnable>(10),
774 >                                   new SimpleThreadFactory());
775 >            shouldThrow();
776 >        } catch (IllegalArgumentException success) {}
777      }
778  
779 <    /** Throws if keepAliveTime is less than zero */
779 >    /**
780 >     * Constructor throws if keepAliveTime is less than zero
781 >     */
782      public void testConstructor9() {
783 <        try{
784 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
785 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
786 <        }
787 <        catch (IllegalArgumentException success){}
783 >        try {
784 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
785 >                                   new ArrayBlockingQueue<Runnable>(10),
786 >                                   new SimpleThreadFactory());
787 >            shouldThrow();
788 >        } catch (IllegalArgumentException success) {}
789      }
790  
791 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
791 >    /**
792 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
793 >     */
794      public void testConstructor10() {
795 <        try{
796 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory());
797 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
795 >        try {
796 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
797 >                                   new ArrayBlockingQueue<Runnable>(10),
798 >                                   new SimpleThreadFactory());
799 >            shouldThrow();
800 >        } catch (IllegalArgumentException success) {}
801 >    }
802 >
803 >    /**
804 >     * Constructor throws if workQueue is set to null
805 >     */
806 >    public void testConstructorNullPointerException2() {
807 >        try {
808 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
809 >                                   (BlockingQueue) null,
810 >                                   new SimpleThreadFactory());
811 >            shouldThrow();
812 >        } catch (NullPointerException success) {}
813 >    }
814 >
815 >    /**
816 >     * Constructor throws if threadFactory is set to null
817 >     */
818 >    public void testConstructorNullPointerException3() {
819 >        try {
820 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
821 >                                   new ArrayBlockingQueue<Runnable>(10),
822 >                                   (ThreadFactory) null);
823 >            shouldThrow();
824 >        } catch (NullPointerException success) {}
825 >    }
826 >
827 >    /**
828 >     * Constructor throws if corePoolSize argument is less than zero
829 >     */
830 >    public void testConstructor11() {
831 >        try {
832 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
833 >                                   new ArrayBlockingQueue<Runnable>(10),
834 >                                   new NoOpREHandler());
835 >            shouldThrow();
836 >        } catch (IllegalArgumentException success) {}
837 >    }
838 >
839 >    /**
840 >     * Constructor throws if maximumPoolSize is less than zero
841 >     */
842 >    public void testConstructor12() {
843 >        try {
844 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
845 >                                   new ArrayBlockingQueue<Runnable>(10),
846 >                                   new NoOpREHandler());
847 >            shouldThrow();
848 >        } catch (IllegalArgumentException success) {}
849 >    }
850 >
851 >    /**
852 >     * Constructor throws if maximumPoolSize is equal to zero
853 >     */
854 >    public void testConstructor13() {
855 >        try {
856 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
857 >                                   new ArrayBlockingQueue<Runnable>(10),
858 >                                   new NoOpREHandler());
859 >            shouldThrow();
860 >        } catch (IllegalArgumentException success) {}
861 >    }
862 >
863 >    /**
864 >     * Constructor throws if keepAliveTime is less than zero
865 >     */
866 >    public void testConstructor14() {
867 >        try {
868 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
869 >                                   new ArrayBlockingQueue<Runnable>(10),
870 >                                   new NoOpREHandler());
871 >            shouldThrow();
872 >        } catch (IllegalArgumentException success) {}
873 >    }
874 >
875 >    /**
876 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
877 >     */
878 >    public void testConstructor15() {
879 >        try {
880 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
881 >                                   new ArrayBlockingQueue<Runnable>(10),
882 >                                   new NoOpREHandler());
883 >            shouldThrow();
884 >        } catch (IllegalArgumentException success) {}
885 >    }
886 >
887 >    /**
888 >     * Constructor throws if workQueue is set to null
889 >     */
890 >    public void testConstructorNullPointerException4() {
891 >        try {
892 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
893 >                                   (BlockingQueue) null,
894 >                                   new NoOpREHandler());
895 >            shouldThrow();
896 >        } catch (NullPointerException success) {}
897 >    }
898 >
899 >    /**
900 >     * Constructor throws if handler is set to null
901 >     */
902 >    public void testConstructorNullPointerException5() {
903 >        try {
904 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
905 >                                   new ArrayBlockingQueue<Runnable>(10),
906 >                                   (RejectedExecutionHandler) null);
907 >            shouldThrow();
908 >        } catch (NullPointerException success) {}
909 >    }
910 >
911 >    /**
912 >     * Constructor throws if corePoolSize argument is less than zero
913 >     */
914 >    public void testConstructor16() {
915 >        try {
916 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
917 >                                   new ArrayBlockingQueue<Runnable>(10),
918 >                                   new SimpleThreadFactory(),
919 >                                   new NoOpREHandler());
920 >            shouldThrow();
921 >        } catch (IllegalArgumentException success) {}
922 >    }
923 >
924 >    /**
925 >     * Constructor throws if maximumPoolSize is less than zero
926 >     */
927 >    public void testConstructor17() {
928 >        try {
929 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
930 >                                   new ArrayBlockingQueue<Runnable>(10),
931 >                                   new SimpleThreadFactory(),
932 >                                   new NoOpREHandler());
933 >            shouldThrow();
934 >        } catch (IllegalArgumentException success) {}
935 >    }
936 >
937 >    /**
938 >     * Constructor throws if maximumPoolSize is equal to zero
939 >     */
940 >    public void testConstructor18() {
941 >        try {
942 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
943 >                                   new ArrayBlockingQueue<Runnable>(10),
944 >                                   new SimpleThreadFactory(),
945 >                                   new NoOpREHandler());
946 >            shouldThrow();
947 >        } catch (IllegalArgumentException success) {}
948 >    }
949 >
950 >    /**
951 >     * Constructor throws if keepAliveTime is less than zero
952 >     */
953 >    public void testConstructor19() {
954 >        try {
955 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
956 >                                   new ArrayBlockingQueue<Runnable>(10),
957 >                                   new SimpleThreadFactory(),
958 >                                   new NoOpREHandler());
959 >            shouldThrow();
960 >        } catch (IllegalArgumentException success) {}
961 >    }
962 >
963 >    /**
964 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
965 >     */
966 >    public void testConstructor20() {
967 >        try {
968 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
969 >                                   new ArrayBlockingQueue<Runnable>(10),
970 >                                   new SimpleThreadFactory(),
971 >                                   new NoOpREHandler());
972 >            shouldThrow();
973 >        } catch (IllegalArgumentException success) {}
974 >    }
975 >
976 >    /**
977 >     * Constructor throws if workQueue is null
978 >     */
979 >    public void testConstructorNullPointerException6() {
980 >        try {
981 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
982 >                                   (BlockingQueue) null,
983 >                                   new SimpleThreadFactory(),
984 >                                   new NoOpREHandler());
985 >            shouldThrow();
986 >        } catch (NullPointerException success) {}
987 >    }
988 >
989 >    /**
990 >     * Constructor throws if handler is null
991 >     */
992 >    public void testConstructorNullPointerException7() {
993 >        try {
994 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
995 >                                   new ArrayBlockingQueue<Runnable>(10),
996 >                                   new SimpleThreadFactory(),
997 >                                   (RejectedExecutionHandler) null);
998 >            shouldThrow();
999 >        } catch (NullPointerException success) {}
1000 >    }
1001 >
1002 >    /**
1003 >     * Constructor throws if ThreadFactory is null
1004 >     */
1005 >    public void testConstructorNullPointerException8() {
1006 >        try {
1007 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1008 >                                   new ArrayBlockingQueue<Runnable>(10),
1009 >                                   (ThreadFactory) null,
1010 >                                   new NoOpREHandler());
1011 >            shouldThrow();
1012 >        } catch (NullPointerException success) {}
1013 >    }
1014 >
1015 >    /**
1016 >     * get of submitted callable throws InterruptedException if interrupted
1017 >     */
1018 >    public void testInterruptedSubmit() throws InterruptedException {
1019 >        final ThreadPoolExecutor p =
1020 >            new ThreadPoolExecutor(1, 1,
1021 >                                   60, SECONDS,
1022 >                                   new ArrayBlockingQueue<Runnable>(10));
1023 >
1024 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1025 >        final CountDownLatch done = new CountDownLatch(1);
1026 >        try {
1027 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1028 >                public void realRun() throws Exception {
1029 >                    Callable task = new CheckedCallable<Boolean>() {
1030 >                        public Boolean realCall() throws InterruptedException {
1031 >                            threadStarted.countDown();
1032 >                            done.await();
1033 >                            return Boolean.TRUE;
1034 >                        }};
1035 >                    p.submit(task).get();
1036 >                }});
1037 >
1038 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1039 >            t.interrupt();
1040 >            awaitTermination(t, MEDIUM_DELAY_MS);
1041 >        } finally {
1042 >            done.countDown();
1043 >            joinPool(p);
1044          }
333        catch (IllegalArgumentException success){}
1045      }
1046  
1047 <    /** Throws if workQueue is set to null */
1048 <    public void testNullPointerException2() {
1049 <        try{
1050 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory());
1051 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1047 >    /**
1048 >     * execute throws RejectedExecutionException if saturated.
1049 >     */
1050 >    public void testSaturatedExecute() {
1051 >        ThreadPoolExecutor p =
1052 >            new ThreadPoolExecutor(1, 1,
1053 >                                   LONG_DELAY_MS, MILLISECONDS,
1054 >                                   new ArrayBlockingQueue<Runnable>(1));
1055 >        final CountDownLatch done = new CountDownLatch(1);
1056 >        try {
1057 >            Runnable task = new CheckedRunnable() {
1058 >                public void realRun() throws InterruptedException {
1059 >                    done.await();
1060 >                }};
1061 >            for (int i = 0; i < 2; ++i)
1062 >                p.execute(task);
1063 >            for (int i = 0; i < 2; ++i) {
1064 >                try {
1065 >                    p.execute(task);
1066 >                    shouldThrow();
1067 >                } catch (RejectedExecutionException success) {}
1068 >                assertTrue(p.getTaskCount() <= 2);
1069 >            }
1070 >        } finally {
1071 >            done.countDown();
1072 >            joinPool(p);
1073          }
342        catch (NullPointerException success){}  
1074      }
1075  
1076 <    /** Throws if threadFactory is set to null */
1077 <    public void testNullPointerException3() {
1078 <        try{
1079 <            ThreadFactory f = null;
1080 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1081 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1076 >    /**
1077 >     * submit(runnable) throws RejectedExecutionException if saturated.
1078 >     */
1079 >    public void testSaturatedSubmitRunnable() {
1080 >        ThreadPoolExecutor p =
1081 >            new ThreadPoolExecutor(1, 1,
1082 >                                   LONG_DELAY_MS, MILLISECONDS,
1083 >                                   new ArrayBlockingQueue<Runnable>(1));
1084 >        final CountDownLatch done = new CountDownLatch(1);
1085 >        try {
1086 >            Runnable task = new CheckedRunnable() {
1087 >                public void realRun() throws InterruptedException {
1088 >                    done.await();
1089 >                }};
1090 >            for (int i = 0; i < 2; ++i)
1091 >                p.submit(task);
1092 >            for (int i = 0; i < 2; ++i) {
1093 >                try {
1094 >                    p.execute(task);
1095 >                    shouldThrow();
1096 >                } catch (RejectedExecutionException success) {}
1097 >                assertTrue(p.getTaskCount() <= 2);
1098 >            }
1099 >        } finally {
1100 >            done.countDown();
1101 >            joinPool(p);
1102          }
352        catch (NullPointerException success){}  
1103      }
1104 <
1105 <    
1106 <    /** Throws if corePoolSize argument is less than zero */
1107 <    public void testConstructor11() {
1108 <        try{
1109 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1110 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1104 >
1105 >    /**
1106 >     * submit(callable) throws RejectedExecutionException if saturated.
1107 >     */
1108 >    public void testSaturatedSubmitCallable() {
1109 >        ThreadPoolExecutor p =
1110 >            new ThreadPoolExecutor(1, 1,
1111 >                                   LONG_DELAY_MS, MILLISECONDS,
1112 >                                   new ArrayBlockingQueue<Runnable>(1));
1113 >        final CountDownLatch done = new CountDownLatch(1);
1114 >        try {
1115 >            Runnable task = new CheckedRunnable() {
1116 >                public void realRun() throws InterruptedException {
1117 >                    done.await();
1118 >                }};
1119 >            for (int i = 0; i < 2; ++i)
1120 >                p.submit(Executors.callable(task));
1121 >            for (int i = 0; i < 2; ++i) {
1122 >                try {
1123 >                    p.execute(task);
1124 >                    shouldThrow();
1125 >                } catch (RejectedExecutionException success) {}
1126 >                assertTrue(p.getTaskCount() <= 2);
1127 >            }
1128 >        } finally {
1129 >            done.countDown();
1130 >            joinPool(p);
1131          }
362        catch (IllegalArgumentException success){}
1132      }
1133  
1134 <    /** Throws if maximumPoolSize is less than zero */
1135 <    public void testConstructor12() {
1136 <        try{
1137 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1138 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1134 >    /**
1135 >     * executor using CallerRunsPolicy runs task if saturated.
1136 >     */
1137 >    public void testSaturatedExecute2() {
1138 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1139 >        final ThreadPoolExecutor p =
1140 >            new ThreadPoolExecutor(1, 1,
1141 >                                   LONG_DELAY_MS,
1142 >                                   MILLISECONDS,
1143 >                                   new ArrayBlockingQueue<Runnable>(1),
1144 >                                   h);
1145 >        try {
1146 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1147 >            for (int i = 0; i < tasks.length; ++i)
1148 >                tasks[i] = new TrackedNoOpRunnable();
1149 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1150 >            p.execute(mr);
1151 >            for (int i = 0; i < tasks.length; ++i)
1152 >                p.execute(tasks[i]);
1153 >            for (int i = 1; i < tasks.length; ++i)
1154 >                assertTrue(tasks[i].done);
1155 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156 >        } finally {
1157 >            joinPool(p);
1158          }
371        catch (IllegalArgumentException success){}
1159      }
1160  
1161 <    /** Throws if maximumPoolSize is equal to zero */
1162 <    public void testConstructor13() {
1163 <        try{
1164 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1165 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1161 >    /**
1162 >     * executor using DiscardPolicy drops task if saturated.
1163 >     */
1164 >    public void testSaturatedExecute3() {
1165 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1166 >        final ThreadPoolExecutor p =
1167 >            new ThreadPoolExecutor(1, 1,
1168 >                                   LONG_DELAY_MS, MILLISECONDS,
1169 >                                   new ArrayBlockingQueue<Runnable>(1),
1170 >                                   h);
1171 >        try {
1172 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1173 >            for (int i = 0; i < tasks.length; ++i)
1174 >                tasks[i] = new TrackedNoOpRunnable();
1175 >            p.execute(new TrackedLongRunnable());
1176 >            for (TrackedNoOpRunnable task : tasks)
1177 >                p.execute(task);
1178 >            for (TrackedNoOpRunnable task : tasks)
1179 >                assertFalse(task.done);
1180 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1181 >        } finally {
1182 >            joinPool(p);
1183          }
380        catch (IllegalArgumentException success){}
1184      }
1185  
1186 <    /** Throws if keepAliveTime is less than zero */
1187 <    public void testConstructor14() {
1188 <        try{
1189 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1190 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1186 >    /**
1187 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1188 >     */
1189 >    public void testSaturatedExecute4() {
1190 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1191 >        final ThreadPoolExecutor p =
1192 >            new ThreadPoolExecutor(1, 1,
1193 >                                   LONG_DELAY_MS, MILLISECONDS,
1194 >                                   new ArrayBlockingQueue<Runnable>(1),
1195 >                                   h);
1196 >        try {
1197 >            p.execute(new TrackedLongRunnable());
1198 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1199 >            p.execute(r2);
1200 >            assertTrue(p.getQueue().contains(r2));
1201 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1202 >            p.execute(r3);
1203 >            assertFalse(p.getQueue().contains(r2));
1204 >            assertTrue(p.getQueue().contains(r3));
1205 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1206 >        } finally {
1207 >            joinPool(p);
1208          }
389        catch (IllegalArgumentException success){}
1209      }
1210  
1211 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1212 <    public void testConstructor15() {
1213 <        try{
1214 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyREHandler());
1215 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1211 >    /**
1212 >     * execute throws RejectedExecutionException if shutdown
1213 >     */
1214 >    public void testRejectedExecutionExceptionOnShutdown() {
1215 >        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 {
1221 >            p.execute(new NoOpRunnable());
1222 >            shouldThrow();
1223 >        } catch (RejectedExecutionException success) {}
1224 >
1225 >        joinPool(p);
1226 >    }
1227 >
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 {
1240 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1241 >            p.execute(r);
1242 >            assertFalse(r.done);
1243 >        } finally {
1244 >            joinPool(p);
1245 >        }
1246 >    }
1247 >
1248 >    /**
1249 >     * execute using DiscardPolicy drops task on shutdown
1250 >     */
1251 >    public void testDiscardOnShutdown() {
1252 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1253 >        ThreadPoolExecutor p =
1254 >            new ThreadPoolExecutor(1, 1,
1255 >                                   LONG_DELAY_MS, MILLISECONDS,
1256 >                                   new ArrayBlockingQueue<Runnable>(1),
1257 >                                   h);
1258 >
1259 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1260 >        try {
1261 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1262 >            p.execute(r);
1263 >            assertFalse(r.done);
1264 >        } finally {
1265 >            joinPool(p);
1266          }
398        catch (IllegalArgumentException success){}
1267      }
1268  
1269 <    /** Throws if workQueue is set to null */
1270 <    public void testNullPointerException4() {
1271 <        try{
1272 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyREHandler());
1273 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1269 >    /**
1270 >     * execute using DiscardOldestPolicy drops task on shutdown
1271 >     */
1272 >    public void testDiscardOldestOnShutdown() {
1273 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1274 >        ThreadPoolExecutor p =
1275 >            new ThreadPoolExecutor(1, 1,
1276 >                                   LONG_DELAY_MS, MILLISECONDS,
1277 >                                   new ArrayBlockingQueue<Runnable>(1),
1278 >                                   h);
1279 >
1280 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1281 >        try {
1282 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1283 >            p.execute(r);
1284 >            assertFalse(r.done);
1285 >        } finally {
1286 >            joinPool(p);
1287          }
407        catch (NullPointerException success){}  
1288      }
1289  
1290 <    /** Throws if handler is set to null */
1291 <    public void testNullPointerException5() {
1292 <        try{
1293 <            RejectedExecutionHandler r = null;
1294 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1295 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1290 >    /**
1291 >     * execute(null) throws NPE
1292 >     */
1293 >    public void testExecuteNull() {
1294 >        ThreadPoolExecutor p =
1295 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1296 >                                   new ArrayBlockingQueue<Runnable>(10));
1297 >        try {
1298 >            p.execute(null);
1299 >            shouldThrow();
1300 >        } catch (NullPointerException success) {}
1301 >
1302 >        joinPool(p);
1303 >    }
1304 >
1305 >    /**
1306 >     * setCorePoolSize of negative value throws IllegalArgumentException
1307 >     */
1308 >    public void testCorePoolSizeIllegalArgumentException() {
1309 >        ThreadPoolExecutor p =
1310 >            new ThreadPoolExecutor(1, 2,
1311 >                                   LONG_DELAY_MS, MILLISECONDS,
1312 >                                   new ArrayBlockingQueue<Runnable>(10));
1313 >        try {
1314 >            p.setCorePoolSize(-1);
1315 >            shouldThrow();
1316 >        } catch (IllegalArgumentException success) {
1317 >        } finally {
1318 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1319          }
1320 <        catch (NullPointerException success){}  
1320 >        joinPool(p);
1321      }
1322  
1323 <    
1324 <    /** Throws if corePoolSize argument is less than zero */
1325 <    public void testConstructor16() {
1326 <        try{
1327 <            new ThreadPoolExecutor(-1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1328 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1323 >    /**
1324 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1325 >     * given a value less the core pool size
1326 >     */
1327 >    public void testMaximumPoolSizeIllegalArgumentException() {
1328 >        ThreadPoolExecutor p =
1329 >            new ThreadPoolExecutor(2, 3,
1330 >                                   LONG_DELAY_MS, MILLISECONDS,
1331 >                                   new ArrayBlockingQueue<Runnable>(10));
1332 >        try {
1333 >            p.setMaximumPoolSize(1);
1334 >            shouldThrow();
1335 >        } catch (IllegalArgumentException success) {
1336 >        } finally {
1337 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1338          }
1339 <        catch (IllegalArgumentException success){}
1339 >        joinPool(p);
1340      }
1341  
1342 <    /** Throws if maximumPoolSize is less than zero */
1343 <    public void testConstructor17() {
1344 <        try{
1345 <            new ThreadPoolExecutor(1,-1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1346 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1342 >    /**
1343 >     * setMaximumPoolSize throws IllegalArgumentException
1344 >     * if given a negative value
1345 >     */
1346 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1347 >        ThreadPoolExecutor p =
1348 >            new ThreadPoolExecutor(2, 3,
1349 >                                   LONG_DELAY_MS, MILLISECONDS,
1350 >                                   new ArrayBlockingQueue<Runnable>(10));
1351 >        try {
1352 >            p.setMaximumPoolSize(-1);
1353 >            shouldThrow();
1354 >        } catch (IllegalArgumentException success) {
1355 >        } finally {
1356 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1357          }
1358 <        catch (IllegalArgumentException success){}
1358 >        joinPool(p);
1359      }
1360  
1361 <    /** Throws if maximumPoolSize is equal to zero */
1362 <    public void testConstructor18() {
1363 <        try{
1364 <            new ThreadPoolExecutor(1,0,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1365 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1361 >    /**
1362 >     * Configuration changes that allow core pool size greater than
1363 >     * max pool size result in IllegalArgumentException.
1364 >     */
1365 >    public void testPoolSizeInvariants() {
1366 >        ThreadPoolExecutor p =
1367 >            new ThreadPoolExecutor(1, 1,
1368 >                                   LONG_DELAY_MS, MILLISECONDS,
1369 >                                   new ArrayBlockingQueue<Runnable>(10));
1370 >        for (int s = 1; s < 5; s++) {
1371 >            p.setMaximumPoolSize(s);
1372 >            p.setCorePoolSize(s);
1373 >            try {
1374 >                p.setMaximumPoolSize(s - 1);
1375 >                shouldThrow();
1376 >            } catch (IllegalArgumentException success) {}
1377 >            assertEquals(s, p.getCorePoolSize());
1378 >            assertEquals(s, p.getMaximumPoolSize());
1379 >            try {
1380 >                p.setCorePoolSize(s + 1);
1381 >                shouldThrow();
1382 >            } catch (IllegalArgumentException success) {}
1383 >            assertEquals(s, p.getCorePoolSize());
1384 >            assertEquals(s, p.getMaximumPoolSize());
1385          }
1386 <        catch (IllegalArgumentException success){}
1386 >        joinPool(p);
1387      }
1388  
1389 <    /** Throws if keepAliveTime is less than zero */
1390 <    public void testConstructor19() {
1391 <        try{
1392 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1393 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1389 >    /**
1390 >     * setKeepAliveTime throws IllegalArgumentException
1391 >     * when given a negative value
1392 >     */
1393 >    public void testKeepAliveTimeIllegalArgumentException() {
1394 >        ThreadPoolExecutor p =
1395 >            new ThreadPoolExecutor(2, 3,
1396 >                                   LONG_DELAY_MS, MILLISECONDS,
1397 >                                   new ArrayBlockingQueue<Runnable>(10));
1398 >        try {
1399 >            p.setKeepAliveTime(-1,MILLISECONDS);
1400 >            shouldThrow();
1401 >        } catch (IllegalArgumentException success) {
1402 >        } finally {
1403 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1404          }
1405 <        catch (IllegalArgumentException success){}
1405 >        joinPool(p);
1406      }
1407  
1408 <    /** Throws if corePoolSize is greater than the maximumPoolSize */
1409 <    public void testConstructor20() {
1410 <        try{
1411 <            new ThreadPoolExecutor(2,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),new MyREHandler());
1412 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1408 >    /**
1409 >     * terminated() is called on termination
1410 >     */
1411 >    public void testTerminated() {
1412 >        ExtendedTPE p = new ExtendedTPE();
1413 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1414 >        assertTrue(p.terminatedCalled());
1415 >        joinPool(p);
1416 >    }
1417 >
1418 >    /**
1419 >     * beforeExecute and afterExecute are called when executing task
1420 >     */
1421 >    public void testBeforeAfter() throws InterruptedException {
1422 >        ExtendedTPE p = new ExtendedTPE();
1423 >        try {
1424 >            final CountDownLatch done = new CountDownLatch(1);
1425 >            p.execute(new CheckedRunnable() {
1426 >                public void realRun() {
1427 >                    done.countDown();
1428 >                }});
1429 >            await(p.afterCalled);
1430 >            assertEquals(0, done.getCount());
1431 >            assertTrue(p.afterCalled());
1432 >            assertTrue(p.beforeCalled());
1433 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1434 >        } finally {
1435 >            joinPool(p);
1436 >        }
1437 >    }
1438 >
1439 >    /**
1440 >     * completed submit of callable returns result
1441 >     */
1442 >    public void testSubmitCallable() throws Exception {
1443 >        ExecutorService e =
1444 >            new ThreadPoolExecutor(2, 2,
1445 >                                   LONG_DELAY_MS, MILLISECONDS,
1446 >                                   new ArrayBlockingQueue<Runnable>(10));
1447 >        try {
1448 >            Future<String> future = e.submit(new StringTask());
1449 >            String result = future.get();
1450 >            assertSame(TEST_STRING, result);
1451 >        } finally {
1452 >            joinPool(e);
1453 >        }
1454 >    }
1455 >
1456 >    /**
1457 >     * completed submit of runnable returns successfully
1458 >     */
1459 >    public void testSubmitRunnable() throws Exception {
1460 >        ExecutorService e =
1461 >            new ThreadPoolExecutor(2, 2,
1462 >                                   LONG_DELAY_MS, MILLISECONDS,
1463 >                                   new ArrayBlockingQueue<Runnable>(10));
1464 >        try {
1465 >            Future<?> future = e.submit(new NoOpRunnable());
1466 >            future.get();
1467 >            assertTrue(future.isDone());
1468 >        } finally {
1469 >            joinPool(e);
1470 >        }
1471 >    }
1472 >
1473 >    /**
1474 >     * completed submit of (runnable, result) returns result
1475 >     */
1476 >    public void testSubmitRunnable2() throws Exception {
1477 >        ExecutorService e =
1478 >            new ThreadPoolExecutor(2, 2,
1479 >                                   LONG_DELAY_MS, MILLISECONDS,
1480 >                                   new ArrayBlockingQueue<Runnable>(10));
1481 >        try {
1482 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1483 >            String result = future.get();
1484 >            assertSame(TEST_STRING, result);
1485 >        } finally {
1486 >            joinPool(e);
1487 >        }
1488 >    }
1489 >
1490 >    /**
1491 >     * invokeAny(null) throws NPE
1492 >     */
1493 >    public void testInvokeAny1() throws Exception {
1494 >        ExecutorService e =
1495 >            new ThreadPoolExecutor(2, 2,
1496 >                                   LONG_DELAY_MS, MILLISECONDS,
1497 >                                   new ArrayBlockingQueue<Runnable>(10));
1498 >        try {
1499 >            e.invokeAny(null);
1500 >            shouldThrow();
1501 >        } catch (NullPointerException success) {
1502 >        } finally {
1503 >            joinPool(e);
1504 >        }
1505 >    }
1506 >
1507 >    /**
1508 >     * invokeAny(empty collection) throws IAE
1509 >     */
1510 >    public void testInvokeAny2() throws Exception {
1511 >        ExecutorService e =
1512 >            new ThreadPoolExecutor(2, 2,
1513 >                                   LONG_DELAY_MS, MILLISECONDS,
1514 >                                   new ArrayBlockingQueue<Runnable>(10));
1515 >        try {
1516 >            e.invokeAny(new ArrayList<Callable<String>>());
1517 >            shouldThrow();
1518 >        } catch (IllegalArgumentException success) {
1519 >        } finally {
1520 >            joinPool(e);
1521 >        }
1522 >    }
1523 >
1524 >    /**
1525 >     * invokeAny(c) throws NPE if c has null elements
1526 >     */
1527 >    public void testInvokeAny3() throws Exception {
1528 >        final CountDownLatch latch = new CountDownLatch(1);
1529 >        final ExecutorService e =
1530 >            new ThreadPoolExecutor(2, 2,
1531 >                                   LONG_DELAY_MS, MILLISECONDS,
1532 >                                   new ArrayBlockingQueue<Runnable>(10));
1533 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1534 >        l.add(latchAwaitingStringTask(latch));
1535 >        l.add(null);
1536 >        try {
1537 >            e.invokeAny(l);
1538 >            shouldThrow();
1539 >        } catch (NullPointerException success) {
1540 >        } finally {
1541 >            latch.countDown();
1542 >            joinPool(e);
1543 >        }
1544 >    }
1545 >
1546 >    /**
1547 >     * invokeAny(c) throws ExecutionException if no task completes
1548 >     */
1549 >    public void testInvokeAny4() throws Exception {
1550 >        ExecutorService e =
1551 >            new ThreadPoolExecutor(2, 2,
1552 >                                   LONG_DELAY_MS, MILLISECONDS,
1553 >                                   new ArrayBlockingQueue<Runnable>(10));
1554 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1555 >        l.add(new NPETask());
1556 >        try {
1557 >            e.invokeAny(l);
1558 >            shouldThrow();
1559 >        } catch (ExecutionException success) {
1560 >            assertTrue(success.getCause() instanceof NullPointerException);
1561 >        } finally {
1562 >            joinPool(e);
1563 >        }
1564 >    }
1565 >
1566 >    /**
1567 >     * invokeAny(c) returns result of some task
1568 >     */
1569 >    public void testInvokeAny5() throws Exception {
1570 >        ExecutorService e =
1571 >            new ThreadPoolExecutor(2, 2,
1572 >                                   LONG_DELAY_MS, MILLISECONDS,
1573 >                                   new ArrayBlockingQueue<Runnable>(10));
1574 >        try {
1575 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1576 >            l.add(new StringTask());
1577 >            l.add(new StringTask());
1578 >            String result = e.invokeAny(l);
1579 >            assertSame(TEST_STRING, result);
1580 >        } finally {
1581 >            joinPool(e);
1582 >        }
1583 >    }
1584 >
1585 >    /**
1586 >     * invokeAll(null) throws NPE
1587 >     */
1588 >    public void testInvokeAll1() throws Exception {
1589 >        ExecutorService e =
1590 >            new ThreadPoolExecutor(2, 2,
1591 >                                   LONG_DELAY_MS, MILLISECONDS,
1592 >                                   new ArrayBlockingQueue<Runnable>(10));
1593 >        try {
1594 >            e.invokeAll(null);
1595 >            shouldThrow();
1596 >        } catch (NullPointerException success) {
1597 >        } finally {
1598 >            joinPool(e);
1599 >        }
1600 >    }
1601 >
1602 >    /**
1603 >     * invokeAll(empty collection) returns empty collection
1604 >     */
1605 >    public void testInvokeAll2() throws InterruptedException {
1606 >        ExecutorService e =
1607 >            new ThreadPoolExecutor(2, 2,
1608 >                                   LONG_DELAY_MS, MILLISECONDS,
1609 >                                   new ArrayBlockingQueue<Runnable>(10));
1610 >        try {
1611 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1612 >            assertTrue(r.isEmpty());
1613 >        } finally {
1614 >            joinPool(e);
1615 >        }
1616 >    }
1617 >
1618 >    /**
1619 >     * invokeAll(c) throws NPE if c has null elements
1620 >     */
1621 >    public void testInvokeAll3() throws Exception {
1622 >        ExecutorService e =
1623 >            new ThreadPoolExecutor(2, 2,
1624 >                                   LONG_DELAY_MS, MILLISECONDS,
1625 >                                   new ArrayBlockingQueue<Runnable>(10));
1626 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1627 >        l.add(new StringTask());
1628 >        l.add(null);
1629 >        try {
1630 >            e.invokeAll(l);
1631 >            shouldThrow();
1632 >        } catch (NullPointerException success) {
1633 >        } finally {
1634 >            joinPool(e);
1635 >        }
1636 >    }
1637 >
1638 >    /**
1639 >     * get of element of invokeAll(c) throws exception on failed task
1640 >     */
1641 >    public void testInvokeAll4() throws Exception {
1642 >        ExecutorService e =
1643 >            new ThreadPoolExecutor(2, 2,
1644 >                                   LONG_DELAY_MS, MILLISECONDS,
1645 >                                   new ArrayBlockingQueue<Runnable>(10));
1646 >        try {
1647 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1648 >            l.add(new NPETask());
1649 >            List<Future<String>> futures = e.invokeAll(l);
1650 >            assertEquals(1, futures.size());
1651 >            try {
1652 >                futures.get(0).get();
1653 >                shouldThrow();
1654 >            } catch (ExecutionException success) {
1655 >                assertTrue(success.getCause() instanceof NullPointerException);
1656 >            }
1657 >        } finally {
1658 >            joinPool(e);
1659 >        }
1660 >    }
1661 >
1662 >    /**
1663 >     * invokeAll(c) returns results of all completed tasks
1664 >     */
1665 >    public void testInvokeAll5() throws Exception {
1666 >        ExecutorService e =
1667 >            new ThreadPoolExecutor(2, 2,
1668 >                                   LONG_DELAY_MS, MILLISECONDS,
1669 >                                   new ArrayBlockingQueue<Runnable>(10));
1670 >        try {
1671 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1672 >            l.add(new StringTask());
1673 >            l.add(new StringTask());
1674 >            List<Future<String>> futures = e.invokeAll(l);
1675 >            assertEquals(2, futures.size());
1676 >            for (Future<String> future : futures)
1677 >                assertSame(TEST_STRING, future.get());
1678 >        } finally {
1679 >            joinPool(e);
1680 >        }
1681 >    }
1682 >
1683 >    /**
1684 >     * timed invokeAny(null) throws NPE
1685 >     */
1686 >    public void testTimedInvokeAny1() throws Exception {
1687 >        ExecutorService e =
1688 >            new ThreadPoolExecutor(2, 2,
1689 >                                   LONG_DELAY_MS, MILLISECONDS,
1690 >                                   new ArrayBlockingQueue<Runnable>(10));
1691 >        try {
1692 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1693 >            shouldThrow();
1694 >        } catch (NullPointerException success) {
1695 >        } finally {
1696 >            joinPool(e);
1697 >        }
1698 >    }
1699 >
1700 >    /**
1701 >     * timed invokeAny(,,null) throws NPE
1702 >     */
1703 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1704 >        ExecutorService e =
1705 >            new ThreadPoolExecutor(2, 2,
1706 >                                   LONG_DELAY_MS, MILLISECONDS,
1707 >                                   new ArrayBlockingQueue<Runnable>(10));
1708 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1709 >        l.add(new StringTask());
1710 >        try {
1711 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1712 >            shouldThrow();
1713 >        } catch (NullPointerException success) {
1714 >        } finally {
1715 >            joinPool(e);
1716 >        }
1717 >    }
1718 >
1719 >    /**
1720 >     * timed invokeAny(empty collection) throws IAE
1721 >     */
1722 >    public void testTimedInvokeAny2() throws Exception {
1723 >        ExecutorService e =
1724 >            new ThreadPoolExecutor(2, 2,
1725 >                                   LONG_DELAY_MS, MILLISECONDS,
1726 >                                   new ArrayBlockingQueue<Runnable>(10));
1727 >        try {
1728 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1729 >            shouldThrow();
1730 >        } catch (IllegalArgumentException success) {
1731 >        } finally {
1732 >            joinPool(e);
1733 >        }
1734 >    }
1735 >
1736 >    /**
1737 >     * timed invokeAny(c) throws NPE if c has null elements
1738 >     */
1739 >    public void testTimedInvokeAny3() throws Exception {
1740 >        final CountDownLatch latch = new CountDownLatch(1);
1741 >        final ExecutorService e =
1742 >            new ThreadPoolExecutor(2, 2,
1743 >                                   LONG_DELAY_MS, MILLISECONDS,
1744 >                                   new ArrayBlockingQueue<Runnable>(10));
1745 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1746 >        l.add(latchAwaitingStringTask(latch));
1747 >        l.add(null);
1748 >        try {
1749 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1750 >            shouldThrow();
1751 >        } catch (NullPointerException success) {
1752 >        } finally {
1753 >            latch.countDown();
1754 >            joinPool(e);
1755 >        }
1756 >    }
1757 >
1758 >    /**
1759 >     * timed invokeAny(c) throws ExecutionException if no task completes
1760 >     */
1761 >    public void testTimedInvokeAny4() throws Exception {
1762 >        ExecutorService e =
1763 >            new ThreadPoolExecutor(2, 2,
1764 >                                   LONG_DELAY_MS, MILLISECONDS,
1765 >                                   new ArrayBlockingQueue<Runnable>(10));
1766 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1767 >        l.add(new NPETask());
1768 >        try {
1769 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1770 >            shouldThrow();
1771 >        } catch (ExecutionException success) {
1772 >            assertTrue(success.getCause() instanceof NullPointerException);
1773 >        } finally {
1774 >            joinPool(e);
1775 >        }
1776 >    }
1777 >
1778 >    /**
1779 >     * timed invokeAny(c) returns result of some task
1780 >     */
1781 >    public void testTimedInvokeAny5() throws Exception {
1782 >        ExecutorService e =
1783 >            new ThreadPoolExecutor(2, 2,
1784 >                                   LONG_DELAY_MS, MILLISECONDS,
1785 >                                   new ArrayBlockingQueue<Runnable>(10));
1786 >        try {
1787 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1788 >            l.add(new StringTask());
1789 >            l.add(new StringTask());
1790 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1791 >            assertSame(TEST_STRING, result);
1792 >        } finally {
1793 >            joinPool(e);
1794 >        }
1795 >    }
1796 >
1797 >    /**
1798 >     * timed invokeAll(null) throws NPE
1799 >     */
1800 >    public void testTimedInvokeAll1() throws Exception {
1801 >        ExecutorService e =
1802 >            new ThreadPoolExecutor(2, 2,
1803 >                                   LONG_DELAY_MS, MILLISECONDS,
1804 >                                   new ArrayBlockingQueue<Runnable>(10));
1805 >        try {
1806 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1807 >            shouldThrow();
1808 >        } catch (NullPointerException success) {
1809 >        } finally {
1810 >            joinPool(e);
1811 >        }
1812 >    }
1813 >
1814 >    /**
1815 >     * timed invokeAll(,,null) throws NPE
1816 >     */
1817 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1818 >        ExecutorService e =
1819 >            new ThreadPoolExecutor(2, 2,
1820 >                                   LONG_DELAY_MS, MILLISECONDS,
1821 >                                   new ArrayBlockingQueue<Runnable>(10));
1822 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1823 >        l.add(new StringTask());
1824 >        try {
1825 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1826 >            shouldThrow();
1827 >        } catch (NullPointerException success) {
1828 >        } finally {
1829 >            joinPool(e);
1830 >        }
1831 >    }
1832 >
1833 >    /**
1834 >     * timed invokeAll(empty collection) returns empty collection
1835 >     */
1836 >    public void testTimedInvokeAll2() throws InterruptedException {
1837 >        ExecutorService e =
1838 >            new ThreadPoolExecutor(2, 2,
1839 >                                   LONG_DELAY_MS, MILLISECONDS,
1840 >                                   new ArrayBlockingQueue<Runnable>(10));
1841 >        try {
1842 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1843 >            assertTrue(r.isEmpty());
1844 >        } finally {
1845 >            joinPool(e);
1846 >        }
1847 >    }
1848 >
1849 >    /**
1850 >     * timed invokeAll(c) throws NPE if c has null elements
1851 >     */
1852 >    public void testTimedInvokeAll3() throws Exception {
1853 >        ExecutorService e =
1854 >            new ThreadPoolExecutor(2, 2,
1855 >                                   LONG_DELAY_MS, MILLISECONDS,
1856 >                                   new ArrayBlockingQueue<Runnable>(10));
1857 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1858 >        l.add(new StringTask());
1859 >        l.add(null);
1860 >        try {
1861 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1862 >            shouldThrow();
1863 >        } catch (NullPointerException success) {
1864 >        } finally {
1865 >            joinPool(e);
1866          }
463        catch (IllegalArgumentException success){}
1867      }
1868  
1869 <    /** Throws if workQueue is set to null */
1870 <    public void testNullPointerException6() {
1871 <        try{
1872 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,null,new MyThreadFactory(),new MyREHandler());
1873 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1869 >    /**
1870 >     * get of element of invokeAll(c) throws exception on failed task
1871 >     */
1872 >    public void testTimedInvokeAll4() throws Exception {
1873 >        ExecutorService e =
1874 >            new ThreadPoolExecutor(2, 2,
1875 >                                   LONG_DELAY_MS, MILLISECONDS,
1876 >                                   new ArrayBlockingQueue<Runnable>(10));
1877 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1878 >        l.add(new NPETask());
1879 >        List<Future<String>> futures =
1880 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1881 >        assertEquals(1, futures.size());
1882 >        try {
1883 >            futures.get(0).get();
1884 >            shouldThrow();
1885 >        } catch (ExecutionException success) {
1886 >            assertTrue(success.getCause() instanceof NullPointerException);
1887 >        } finally {
1888 >            joinPool(e);
1889          }
472        catch (NullPointerException success){}  
1890      }
1891  
1892 <    /** Throws if handler is set to null */
1893 <    public void testNullPointerException7() {
1894 <        try{
1895 <            RejectedExecutionHandler r = null;
1896 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new MyThreadFactory(),r);
1897 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1892 >    /**
1893 >     * timed invokeAll(c) returns results of all completed tasks
1894 >     */
1895 >    public void testTimedInvokeAll5() throws Exception {
1896 >        ExecutorService e =
1897 >            new ThreadPoolExecutor(2, 2,
1898 >                                   LONG_DELAY_MS, MILLISECONDS,
1899 >                                   new ArrayBlockingQueue<Runnable>(10));
1900 >        try {
1901 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1902 >            l.add(new StringTask());
1903 >            l.add(new StringTask());
1904 >            List<Future<String>> futures =
1905 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1906 >            assertEquals(2, futures.size());
1907 >            for (Future<String> future : futures)
1908 >                assertSame(TEST_STRING, future.get());
1909 >        } finally {
1910 >            joinPool(e);
1911          }
482        catch (NullPointerException success){}  
1912      }
1913  
1914 <    /** Throws if ThreadFactory is set top null */
1915 <    public void testNullPointerException8() {
1916 <        try{
1917 <            ThreadFactory f = null;
1918 <            new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new MyREHandler());
1919 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1914 >    /**
1915 >     * timed invokeAll(c) cancels tasks not completed by timeout
1916 >     */
1917 >    public void testTimedInvokeAll6() throws Exception {
1918 >        ExecutorService e =
1919 >            new ThreadPoolExecutor(2, 2,
1920 >                                   LONG_DELAY_MS, MILLISECONDS,
1921 >                                   new ArrayBlockingQueue<Runnable>(10));
1922 >        try {
1923 >            for (long timeout = timeoutMillis();;) {
1924 >                List<Callable<String>> tasks = new ArrayList<>();
1925 >                tasks.add(new StringTask("0"));
1926 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1927 >                tasks.add(new StringTask("2"));
1928 >                long startTime = System.nanoTime();
1929 >                List<Future<String>> futures =
1930 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1931 >                assertEquals(tasks.size(), futures.size());
1932 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1933 >                for (Future future : futures)
1934 >                    assertTrue(future.isDone());
1935 >                assertTrue(futures.get(1).isCancelled());
1936 >                try {
1937 >                    assertEquals("0", futures.get(0).get());
1938 >                    assertEquals("2", futures.get(2).get());
1939 >                    break;
1940 >                } catch (CancellationException retryWithLongerTimeout) {
1941 >                    timeout *= 2;
1942 >                    if (timeout >= LONG_DELAY_MS / 2)
1943 >                        fail("expected exactly one task to be cancelled");
1944 >                }
1945 >            }
1946 >        } finally {
1947 >            joinPool(e);
1948          }
492        catch (NullPointerException successdn8){}  
1949      }
494    
1950  
1951      /**
1952 <     *   execute will throw RejectedExcutionException
1953 <     *  ThreadPoolExecutor will throw one when more runnables are
499 <     *  executed then will fit in the Queue.
1952 >     * Execution continues if there is at least one thread even if
1953 >     * thread factory fails to create more
1954       */
1955 <    public void testRejectedExecutionException(){
1956 <        ThreadPoolExecutor tpe = null;
1957 <        try{
1958 <            tpe = new ThreadPoolExecutor(1,1,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1959 <        } catch(Exception e){}
1960 <        tpe.shutdown();
1961 <        try{
1962 <            tpe.execute(new NoOpRunnable());
1963 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1964 <        } catch(RejectedExecutionException success){}
1965 <        
1966 <        joinPool(tpe);
1955 >    public void testFailingThreadFactory() throws InterruptedException {
1956 >        final ExecutorService e =
1957 >            new ThreadPoolExecutor(100, 100,
1958 >                                   LONG_DELAY_MS, MILLISECONDS,
1959 >                                   new LinkedBlockingQueue<Runnable>(),
1960 >                                   new FailingThreadFactory());
1961 >        try {
1962 >            final int TASKS = 100;
1963 >            final CountDownLatch done = new CountDownLatch(TASKS);
1964 >            for (int k = 0; k < TASKS; ++k)
1965 >                e.execute(new CheckedRunnable() {
1966 >                    public void realRun() {
1967 >                        done.countDown();
1968 >                    }});
1969 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1970 >        } finally {
1971 >            joinPool(e);
1972 >        }
1973 >    }
1974 >
1975 >    /**
1976 >     * allowsCoreThreadTimeOut is by default false.
1977 >     */
1978 >    public void testAllowsCoreThreadTimeOut() {
1979 >        final ThreadPoolExecutor p =
1980 >            new ThreadPoolExecutor(2, 2,
1981 >                                   1000, MILLISECONDS,
1982 >                                   new ArrayBlockingQueue<Runnable>(10));
1983 >        assertFalse(p.allowsCoreThreadTimeOut());
1984 >        joinPool(p);
1985      }
1986 <    
1986 >
1987      /**
1988 <     *   setCorePoolSize will throw IllegalArgumentException
517 <     *  when given a negative
1988 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1989       */
1990 <    public void testCorePoolSizeIllegalArgumentException(){
1991 <        ThreadPoolExecutor tpe = null;
1992 <        try{
1993 <            tpe = new ThreadPoolExecutor(1,2,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1994 <        } catch(Exception e){}
1995 <        try{
1996 <            tpe.setCorePoolSize(-1);
1997 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1998 <        } catch(IllegalArgumentException success){
1990 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1991 >        long keepAliveTime = timeoutMillis();
1992 >        final ThreadPoolExecutor p =
1993 >            new ThreadPoolExecutor(2, 10,
1994 >                                   keepAliveTime, MILLISECONDS,
1995 >                                   new ArrayBlockingQueue<Runnable>(10));
1996 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1997 >        try {
1998 >            p.allowCoreThreadTimeOut(true);
1999 >            p.execute(new CheckedRunnable() {
2000 >                public void realRun() {
2001 >                    threadStarted.countDown();
2002 >                    assertEquals(1, p.getPoolSize());
2003 >                }});
2004 >            await(threadStarted);
2005 >            delay(keepAliveTime);
2006 >            long startTime = System.nanoTime();
2007 >            while (p.getPoolSize() > 0
2008 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2009 >                Thread.yield();
2010 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2011 >            assertEquals(0, p.getPoolSize());
2012          } finally {
2013 <            tpe.shutdown();
2013 >            joinPool(p);
2014          }
2015 <        joinPool(tpe);
532 <    }  
2015 >    }
2016  
534    
2017      /**
2018 <     *   setMaximumPoolSize(int) will throw IllegalArgumentException
2019 <     *  if given a value less the it's actual core pool size
2020 <     */  
2021 <    public void testMaximumPoolSizeIllegalArgumentException(){
2022 <        ThreadPoolExecutor tpe = null;
2023 <        try{
2024 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2025 <        } catch(Exception e){}
2026 <        try{
2027 <            tpe.setMaximumPoolSize(1);
2028 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2029 <        } catch(IllegalArgumentException success){
2018 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2019 >     */
2020 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2021 >        long keepAliveTime = timeoutMillis();
2022 >        final ThreadPoolExecutor p =
2023 >            new ThreadPoolExecutor(2, 10,
2024 >                                   keepAliveTime, MILLISECONDS,
2025 >                                   new ArrayBlockingQueue<Runnable>(10));
2026 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2027 >        try {
2028 >            p.allowCoreThreadTimeOut(false);
2029 >            p.execute(new CheckedRunnable() {
2030 >                public void realRun() throws InterruptedException {
2031 >                    threadStarted.countDown();
2032 >                    assertTrue(p.getPoolSize() >= 1);
2033 >                }});
2034 >            delay(2 * keepAliveTime);
2035 >            assertTrue(p.getPoolSize() >= 1);
2036          } finally {
2037 <            tpe.shutdown();
2037 >            joinPool(p);
2038          }
551        joinPool(tpe);
2039      }
2040 <    
2040 >
2041      /**
2042 <     *   setMaximumPoolSize will throw IllegalArgumentException
2043 <     *  if given a negative number
2042 >     * execute allows the same task to be submitted multiple times, even
2043 >     * if rejected
2044       */
2045 <    public void testMaximumPoolSizeIllegalArgumentException2(){
2046 <        ThreadPoolExecutor tpe = null;
2047 <        try{
2048 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2049 <        } catch(Exception e){}
2050 <        try{
2051 <            tpe.setMaximumPoolSize(-1);
2052 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2053 <        } catch(IllegalArgumentException success){
2045 >    public void testRejectedRecycledTask() throws InterruptedException {
2046 >        final int nTasks = 1000;
2047 >        final CountDownLatch done = new CountDownLatch(nTasks);
2048 >        final Runnable recycledTask = new Runnable() {
2049 >            public void run() {
2050 >                done.countDown();
2051 >            }};
2052 >        final ThreadPoolExecutor p =
2053 >            new ThreadPoolExecutor(1, 30,
2054 >                                   60, SECONDS,
2055 >                                   new ArrayBlockingQueue(30));
2056 >        try {
2057 >            for (int i = 0; i < nTasks; ++i) {
2058 >                for (;;) {
2059 >                    try {
2060 >                        p.execute(recycledTask);
2061 >                        break;
2062 >                    }
2063 >                    catch (RejectedExecutionException ignore) {}
2064 >                }
2065 >            }
2066 >            // enough time to run all tasks
2067 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2068          } finally {
2069 <            tpe.shutdown();
2069 >            joinPool(p);
2070          }
570        joinPool(tpe);
2071      }
572    
2072  
2073      /**
2074 <     *   setKeepAliveTime will throw IllegalArgumentException
576 <     *  when given a negative value
2074 >     * get(cancelled task) throws CancellationException
2075       */
2076 <    public void testKeepAliveTimeIllegalArgumentException(){
2077 <        ThreadPoolExecutor tpe = null;
2078 <        try{
2079 <            tpe = new ThreadPoolExecutor(2,3,SHORT_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2080 <        } catch(Exception e){}
2081 <        
2082 <        try{
2083 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2084 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2085 <        } catch(IllegalArgumentException success){
2076 >    public void testGet_cancelled() throws Exception {
2077 >        final ExecutorService e =
2078 >            new ThreadPoolExecutor(1, 1,
2079 >                                   LONG_DELAY_MS, MILLISECONDS,
2080 >                                   new LinkedBlockingQueue<Runnable>());
2081 >        try {
2082 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2083 >            final CountDownLatch done = new CountDownLatch(1);
2084 >            final List<Future<?>> futures = new ArrayList<>();
2085 >            for (int i = 0; i < 2; i++) {
2086 >                Runnable r = new CheckedRunnable() { public void realRun()
2087 >                                                         throws Throwable {
2088 >                    blockerStarted.countDown();
2089 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2090 >                }};
2091 >                futures.add(e.submit(r));
2092 >            }
2093 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2094 >            for (Future<?> future : futures) future.cancel(false);
2095 >            for (Future<?> future : futures) {
2096 >                try {
2097 >                    future.get();
2098 >                    shouldThrow();
2099 >                } catch (CancellationException success) {}
2100 >                try {
2101 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2102 >                    shouldThrow();
2103 >                } catch (CancellationException success) {}
2104 >                assertTrue(future.isCancelled());
2105 >                assertTrue(future.isDone());
2106 >            }
2107 >            done.countDown();
2108          } finally {
2109 <            tpe.shutdown();
2109 >            joinPool(e);
2110          }
591        joinPool(tpe);
2111      }
2112 <  
2112 >
2113   }

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines