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 1.2 by dl, Sun Sep 7 20:39:11 2003 UTC vs.
Revision 1.75 by jsr166, Sun Oct 4 02:00:19 2015 UTC

# Line 1 | Line 1
1   /*
2 < * Written by members of JCP JSR-166 Expert Group and released to the
3 < * public domain. Use, modify, and redistribute this code in any way
4 < * without acknowledgement. Other contributors include Andrew Wright,
5 < * Jeffrey Hayes, Pat Fischer, Mike Judd.
2 > * Written by Doug Lea with assistance from members of JCP JSR-166
3 > * Expert Group and released to the public domain, as explained at
4 > * http://creativecommons.org/publicdomain/zero/1.0/
5 > * Other contributors include Andrew Wright, Jeffrey Hayes,
6 > * Pat Fisher, Mike Judd.
7   */
8  
9 < import java.util.concurrent.*;
10 < import junit.framework.*;
9 > import static java.util.concurrent.TimeUnit.MILLISECONDS;
10 > import static java.util.concurrent.TimeUnit.NANOSECONDS;
11 > import static java.util.concurrent.TimeUnit.SECONDS;
12 >
13 > import java.util.ArrayList;
14   import java.util.List;
15 + import java.util.concurrent.ArrayBlockingQueue;
16 + import java.util.concurrent.BlockingQueue;
17 + import java.util.concurrent.Callable;
18 + import java.util.concurrent.CancellationException;
19 + import java.util.concurrent.CountDownLatch;
20 + import java.util.concurrent.ExecutionException;
21 + import java.util.concurrent.Executors;
22 + import java.util.concurrent.ExecutorService;
23 + import java.util.concurrent.Future;
24 + import java.util.concurrent.FutureTask;
25 + import java.util.concurrent.LinkedBlockingQueue;
26 + import java.util.concurrent.RejectedExecutionException;
27 + import java.util.concurrent.RejectedExecutionHandler;
28 + import java.util.concurrent.SynchronousQueue;
29 + import java.util.concurrent.ThreadFactory;
30 + import java.util.concurrent.ThreadPoolExecutor;
31 + import java.util.concurrent.TimeUnit;
32 + import java.util.concurrent.atomic.AtomicInteger;
33 +
34 + import junit.framework.Test;
35 + import junit.framework.TestSuite;
36  
37 < public class ThreadPoolExecutorTest extends TestCase{
37 > public class ThreadPoolExecutorTest extends JSR166TestCase {
38      public static void main(String[] args) {
39 <        junit.textui.TestRunner.run (suite());  
39 >        main(suite(), args);
40      }
16
17
41      public static Test suite() {
42          return new TestSuite(ThreadPoolExecutorTest.class);
43      }
44 <    
45 <    private static long SHORT_DELAY_MS = 100;
46 <    private static long MEDIUM_DELAY_MS = 1000;
47 <    private static long LONG_DELAY_MS = 10000;
48 <
49 < //---- testThread class to implement ThreadFactory for use in constructors
50 <    static class testThread implements ThreadFactory{
51 <        public Thread newThread(Runnable r){
52 <            return new Thread(r);
53 <        }  
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 < //---- testReject class to implement RejectedExecutionHandler for use in the constructors
75 <    static class testReject implements RejectedExecutionHandler{
76 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
74 >    static class FailingThreadFactory implements ThreadFactory {
75 >        int calls = 0;
76 >        public Thread newThread(Runnable r) {
77 >            if (++calls > 1) return null;
78 >            return new Thread(r);
79 >        }
80      }
81  
82 <    public Runnable newRunnable(){
83 <        return new Runnable(){
84 <                public void run(){
85 <                    try{Thread.sleep(MEDIUM_DELAY_MS);
86 <                    } catch(Exception e){
87 <                    }
88 <                }
89 <            };
82 >    /**
83 >     * execute successfully executes a runnable
84 >     */
85 >    public void testExecute() throws InterruptedException {
86 >        final ThreadPoolExecutor p =
87 >            new ThreadPoolExecutor(1, 1,
88 >                                   LONG_DELAY_MS, MILLISECONDS,
89 >                                   new ArrayBlockingQueue<Runnable>(10));
90 >        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  
48
103      /**
104 <     *  Test to verify that 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, 1, TimeUnit.SECONDS, 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 <                });
64 <            Thread.sleep(SHORT_DELAY_MS * 2);
65 <        } catch(InterruptedException e){
66 <            fail("unexpected exception");
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 <            one.shutdown();
125 >            done.countDown();
126 >            joinPool(p);
127 >        }
128 >    }
129 >
130 >    /**
131 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
132 >     */
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 >        }
154 >    }
155 >
156 >    /**
157 >     * prestartAllCoreThreads starts all corePoolSize threads
158 >     */
159 >    public void testPrestartAllCoreThreads() {
160 >        final ThreadPoolExecutor p =
161 >            new ThreadPoolExecutor(2, 6,
162 >                                   LONG_DELAY_MS, MILLISECONDS,
163 >                                   new ArrayBlockingQueue<Runnable>(10));
164 >        try (PoolCleaner cleaner = cleaner(p)) {
165 >            assertEquals(0, p.getPoolSize());
166 >            p.prestartAllCoreThreads();
167 >            assertEquals(2, p.getPoolSize());
168 >            p.prestartAllCoreThreads();
169 >            assertEquals(2, p.getPoolSize());
170 >            p.setCorePoolSize(4);
171 >            p.prestartAllCoreThreads();
172 >            assertEquals(4, p.getPoolSize());
173 >            p.prestartAllCoreThreads();
174 >            assertEquals(4, p.getPoolSize());
175 >        }
176 >    }
177 >
178 >    /**
179 >     * getCompletedTaskCount increases, but doesn't overestimate,
180 >     * when tasks complete
181 >     */
182 >    public void testGetCompletedTaskCount() throws InterruptedException {
183 >        final ThreadPoolExecutor p =
184 >            new ThreadPoolExecutor(2, 2,
185 >                                   LONG_DELAY_MS, MILLISECONDS,
186 >                                   new ArrayBlockingQueue<Runnable>(10));
187 >        try (PoolCleaner cleaner = cleaner(p)) {
188 >            final CountDownLatch threadStarted = new CountDownLatch(1);
189 >            final CountDownLatch threadProceed = new CountDownLatch(1);
190 >            final CountDownLatch threadDone = new CountDownLatch(1);
191 >            assertEquals(0, p.getCompletedTaskCount());
192 >            p.execute(new CheckedRunnable() {
193 >                public void realRun() throws InterruptedException {
194 >                    threadStarted.countDown();
195 >                    assertEquals(0, p.getCompletedTaskCount());
196 >                    threadProceed.await();
197 >                    threadDone.countDown();
198 >                }});
199 >            await(threadStarted);
200 >            assertEquals(0, p.getCompletedTaskCount());
201 >            threadProceed.countDown();
202 >            threadDone.await();
203 >            long startTime = System.nanoTime();
204 >            while (p.getCompletedTaskCount() != 1) {
205 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
206 >                    fail("timed out");
207 >                Thread.yield();
208 >            }
209 >        }
210 >    }
211 >
212 >    /**
213 >     * getCorePoolSize returns size given in constructor if not otherwise set
214 >     */
215 >    public void testGetCorePoolSize() {
216 >        final ThreadPoolExecutor p =
217 >            new ThreadPoolExecutor(1, 1,
218 >                                   LONG_DELAY_MS, MILLISECONDS,
219 >                                   new ArrayBlockingQueue<Runnable>(10));
220 >        try (PoolCleaner cleaner = cleaner(p)) {
221 >            assertEquals(1, p.getCorePoolSize());
222 >        }
223 >    }
224 >
225 >    /**
226 >     * getKeepAliveTime returns value given in constructor if not otherwise set
227 >     */
228 >    public void testGetKeepAliveTime() {
229 >        final ThreadPoolExecutor p =
230 >            new ThreadPoolExecutor(2, 2,
231 >                                   1000, MILLISECONDS,
232 >                                   new ArrayBlockingQueue<Runnable>(10));
233 >        try (PoolCleaner cleaner = cleaner(p)) {
234 >            assertEquals(1, p.getKeepAliveTime(SECONDS));
235          }
236      }
237  
238      /**
239 <     *  Test to verify getActiveCount gives correct values
239 >     * getThreadFactory returns factory in constructor if not set
240       */
241 <    public void testGetActiveCount(){
242 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
241 >    public void testGetThreadFactory() {
242 >        ThreadFactory threadFactory = new SimpleThreadFactory();
243 >        final ThreadPoolExecutor p =
244 >            new ThreadPoolExecutor(1, 2,
245 >                                   LONG_DELAY_MS, MILLISECONDS,
246 >                                   new ArrayBlockingQueue<Runnable>(10),
247 >                                   threadFactory,
248 >                                   new NoOpREHandler());
249 >        try (PoolCleaner cleaner = cleaner(p)) {
250 >            assertSame(threadFactory, p.getThreadFactory());
251 >        }
252 >    }
253 >
254 >    /**
255 >     * setThreadFactory sets the thread factory returned by getThreadFactory
256 >     */
257 >    public void testSetThreadFactory() {
258 >        final ThreadPoolExecutor p =
259 >            new ThreadPoolExecutor(1, 2,
260 >                                   LONG_DELAY_MS, MILLISECONDS,
261 >                                   new ArrayBlockingQueue<Runnable>(10));
262 >        try (PoolCleaner cleaner = cleaner(p)) {
263 >            ThreadFactory threadFactory = new SimpleThreadFactory();
264 >            p.setThreadFactory(threadFactory);
265 >            assertSame(threadFactory, p.getThreadFactory());
266 >        }
267 >    }
268 >
269 >    /**
270 >     * setThreadFactory(null) throws NPE
271 >     */
272 >    public void testSetThreadFactoryNull() {
273 >        final ThreadPoolExecutor p =
274 >            new ThreadPoolExecutor(1, 2,
275 >                                   LONG_DELAY_MS, MILLISECONDS,
276 >                                   new ArrayBlockingQueue<Runnable>(10));
277 >        try (PoolCleaner cleaner = cleaner(p)) {
278 >            try {
279 >                p.setThreadFactory(null);
280 >                shouldThrow();
281 >            } catch (NullPointerException success) {}
282 >        }
283 >    }
284 >
285 >    /**
286 >     * getRejectedExecutionHandler returns handler in constructor if not set
287 >     */
288 >    public void testGetRejectedExecutionHandler() {
289 >        final RejectedExecutionHandler handler = new NoOpREHandler();
290 >        final ThreadPoolExecutor p =
291 >            new ThreadPoolExecutor(1, 2,
292 >                                   LONG_DELAY_MS, MILLISECONDS,
293 >                                   new ArrayBlockingQueue<Runnable>(10),
294 >                                   handler);
295 >        try (PoolCleaner cleaner = cleaner(p)) {
296 >            assertSame(handler, p.getRejectedExecutionHandler());
297 >        }
298 >    }
299 >
300 >    /**
301 >     * setRejectedExecutionHandler sets the handler returned by
302 >     * getRejectedExecutionHandler
303 >     */
304 >    public void testSetRejectedExecutionHandler() {
305 >        final ThreadPoolExecutor p =
306 >            new ThreadPoolExecutor(1, 2,
307 >                                   LONG_DELAY_MS, MILLISECONDS,
308 >                                   new ArrayBlockingQueue<Runnable>(10));
309 >        try (PoolCleaner cleaner = cleaner(p)) {
310 >            RejectedExecutionHandler handler = new NoOpREHandler();
311 >            p.setRejectedExecutionHandler(handler);
312 >            assertSame(handler, p.getRejectedExecutionHandler());
313 >        }
314 >    }
315 >
316 >    /**
317 >     * setRejectedExecutionHandler(null) throws NPE
318 >     */
319 >    public void testSetRejectedExecutionHandlerNull() {
320 >        final ThreadPoolExecutor p =
321 >            new ThreadPoolExecutor(1, 2,
322 >                                   LONG_DELAY_MS, MILLISECONDS,
323 >                                   new ArrayBlockingQueue<Runnable>(10));
324 >        try (PoolCleaner cleaner = cleaner(p)) {
325 >            try {
326 >                p.setRejectedExecutionHandler(null);
327 >                shouldThrow();
328 >            } catch (NullPointerException success) {}
329 >        }
330 >    }
331 >
332 >    /**
333 >     * getLargestPoolSize increases, but doesn't overestimate, when
334 >     * multiple threads active
335 >     */
336 >    public void testGetLargestPoolSize() throws InterruptedException {
337 >        final int THREADS = 3;
338 >        final ThreadPoolExecutor p =
339 >            new ThreadPoolExecutor(THREADS, THREADS,
340 >                                   LONG_DELAY_MS, MILLISECONDS,
341 >                                   new ArrayBlockingQueue<Runnable>(10));
342 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
343 >        final CountDownLatch done = new CountDownLatch(1);
344          try {
345 <            assertEquals(0, two.getActiveCount());
346 <            two.execute(newRunnable());
347 <            try{Thread.sleep(10);} catch(Exception e){}
348 <            assertEquals(1, two.getActiveCount());
345 >            assertEquals(0, p.getLargestPoolSize());
346 >            for (int i = 0; i < THREADS; i++)
347 >                p.execute(new CheckedRunnable() {
348 >                    public void realRun() throws InterruptedException {
349 >                        threadsStarted.countDown();
350 >                        done.await();
351 >                        assertEquals(THREADS, p.getLargestPoolSize());
352 >                    }});
353 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
354 >            assertEquals(THREADS, p.getLargestPoolSize());
355          } finally {
356 <            two.shutdown();
356 >            done.countDown();
357 >            joinPool(p);
358 >            assertEquals(THREADS, p.getLargestPoolSize());
359          }
360      }
361 <    
361 >
362      /**
363 <     *  Test to verify getCompleteTaskCount gives correct values
363 >     * getMaximumPoolSize returns value given in constructor if not
364 >     * otherwise set
365       */
366 <    public void testGetCompletedTaskCount(){
367 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
366 >    public void testGetMaximumPoolSize() {
367 >        final ThreadPoolExecutor p =
368 >            new ThreadPoolExecutor(2, 3,
369 >                                   LONG_DELAY_MS, MILLISECONDS,
370 >                                   new ArrayBlockingQueue<Runnable>(10));
371 >        assertEquals(3, p.getMaximumPoolSize());
372 >        joinPool(p);
373 >    }
374 >
375 >    /**
376 >     * getPoolSize increases, but doesn't overestimate, when threads
377 >     * become active
378 >     */
379 >    public void testGetPoolSize() throws InterruptedException {
380 >        final ThreadPoolExecutor p =
381 >            new ThreadPoolExecutor(1, 1,
382 >                                   LONG_DELAY_MS, MILLISECONDS,
383 >                                   new ArrayBlockingQueue<Runnable>(10));
384 >        final CountDownLatch threadStarted = new CountDownLatch(1);
385 >        final CountDownLatch done = new CountDownLatch(1);
386          try {
387 <            assertEquals(0, two.getCompletedTaskCount());
388 <            two.execute(newRunnable());
389 <            try{Thread.sleep(2000);} catch(Exception e){}
390 <            assertEquals(1, two.getCompletedTaskCount());
387 >            assertEquals(0, p.getPoolSize());
388 >            p.execute(new CheckedRunnable() {
389 >                public void realRun() throws InterruptedException {
390 >                    threadStarted.countDown();
391 >                    assertEquals(1, p.getPoolSize());
392 >                    done.await();
393 >                }});
394 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
395 >            assertEquals(1, p.getPoolSize());
396          } finally {
397 <            two.shutdown();
397 >            done.countDown();
398 >            joinPool(p);
399          }
400      }
401 <    
401 >
402      /**
403 <     *  Test to verify getCorePoolSize gives correct values
403 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
404       */
405 <    public void testGetCorePoolSize(){
406 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
405 >    public void testGetTaskCount() throws InterruptedException {
406 >        final ThreadPoolExecutor p =
407 >            new ThreadPoolExecutor(1, 1,
408 >                                   LONG_DELAY_MS, MILLISECONDS,
409 >                                   new ArrayBlockingQueue<Runnable>(10));
410 >        final CountDownLatch threadStarted = new CountDownLatch(1);
411 >        final CountDownLatch done = new CountDownLatch(1);
412          try {
413 <            assertEquals(1, one.getCorePoolSize());
413 >            assertEquals(0, p.getTaskCount());
414 >            p.execute(new CheckedRunnable() {
415 >                public void realRun() throws InterruptedException {
416 >                    threadStarted.countDown();
417 >                    assertEquals(1, p.getTaskCount());
418 >                    done.await();
419 >                }});
420 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
421 >            assertEquals(1, p.getTaskCount());
422          } finally {
423 <            one.shutdown();
423 >            done.countDown();
424 >            joinPool(p);
425          }
426      }
427 <    
427 >
428 >    /**
429 >     * isShutdown is false before shutdown, true after
430 >     */
431 >    public void testIsShutdown() {
432 >        final ThreadPoolExecutor p =
433 >            new ThreadPoolExecutor(1, 1,
434 >                                   LONG_DELAY_MS, MILLISECONDS,
435 >                                   new ArrayBlockingQueue<Runnable>(10));
436 >        assertFalse(p.isShutdown());
437 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
438 >        assertTrue(p.isShutdown());
439 >        joinPool(p);
440 >    }
441 >
442 >    /**
443 >     * awaitTermination on a non-shutdown pool times out
444 >     */
445 >    public void testAwaitTermination_timesOut() throws InterruptedException {
446 >        final ThreadPoolExecutor p =
447 >            new ThreadPoolExecutor(1, 1,
448 >                                   LONG_DELAY_MS, MILLISECONDS,
449 >                                   new ArrayBlockingQueue<Runnable>(10));
450 >        assertFalse(p.isTerminated());
451 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
452 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
453 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
454 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
455 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
456 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
457 >        long timeoutNanos = 999999L;
458 >        long startTime = System.nanoTime();
459 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
460 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
461 >        assertFalse(p.isTerminated());
462 >        startTime = System.nanoTime();
463 >        long timeoutMillis = timeoutMillis();
464 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
465 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
466 >        assertFalse(p.isTerminated());
467 >        p.shutdown();
468 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
469 >        assertTrue(p.isTerminated());
470 >    }
471 >
472      /**
473 <     *  Test to verify getKeepAliveTime gives correct values
473 >     * isTerminated is false before termination, true after
474       */
475 <    public void testGetKeepAliveTime(){
476 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
475 >    public void testIsTerminated() throws InterruptedException {
476 >        final ThreadPoolExecutor p =
477 >            new ThreadPoolExecutor(1, 1,
478 >                                   LONG_DELAY_MS, MILLISECONDS,
479 >                                   new ArrayBlockingQueue<Runnable>(10));
480 >        final CountDownLatch threadStarted = new CountDownLatch(1);
481 >        final CountDownLatch done = new CountDownLatch(1);
482 >        assertFalse(p.isTerminated());
483          try {
484 <            assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
484 >            p.execute(new CheckedRunnable() {
485 >                public void realRun() throws InterruptedException {
486 >                    assertFalse(p.isTerminated());
487 >                    threadStarted.countDown();
488 >                    done.await();
489 >                }});
490 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
491 >            assertFalse(p.isTerminating());
492 >            done.countDown();
493          } finally {
494 <            two.shutdown();
494 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
495          }
496 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
497 +        assertTrue(p.isTerminated());
498      }
499 <    
499 >
500      /**
501 <     *  Test to verify getLargestPoolSize gives correct values
501 >     * isTerminating is not true when running or when terminated
502       */
503 <    public void testGetLargestPoolSize(){
504 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
503 >    public void testIsTerminating() throws InterruptedException {
504 >        final ThreadPoolExecutor p =
505 >            new ThreadPoolExecutor(1, 1,
506 >                                   LONG_DELAY_MS, MILLISECONDS,
507 >                                   new ArrayBlockingQueue<Runnable>(10));
508 >        final CountDownLatch threadStarted = new CountDownLatch(1);
509 >        final CountDownLatch done = new CountDownLatch(1);
510          try {
511 <            assertEquals(0, two.getLargestPoolSize());
512 <            two.execute(newRunnable());
513 <            two.execute(newRunnable());
514 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
515 <            assertEquals(2, two.getLargestPoolSize());
511 >            assertFalse(p.isTerminating());
512 >            p.execute(new CheckedRunnable() {
513 >                public void realRun() throws InterruptedException {
514 >                    assertFalse(p.isTerminating());
515 >                    threadStarted.countDown();
516 >                    done.await();
517 >                }});
518 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
519 >            assertFalse(p.isTerminating());
520 >            done.countDown();
521          } finally {
522 <            two.shutdown();
522 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
523          }
524 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
525 +        assertTrue(p.isTerminated());
526 +        assertFalse(p.isTerminating());
527      }
528 <    
528 >
529      /**
530 <     *  Test to verify getMaximumPoolSize gives correct values
530 >     * getQueue returns the work queue, which contains queued tasks
531       */
532 <    public void testGetMaximumPoolSize(){
533 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
532 >    public void testGetQueue() throws InterruptedException {
533 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
534 >        final ThreadPoolExecutor p =
535 >            new ThreadPoolExecutor(1, 1,
536 >                                   LONG_DELAY_MS, MILLISECONDS,
537 >                                   q);
538 >        final CountDownLatch threadStarted = new CountDownLatch(1);
539 >        final CountDownLatch done = new CountDownLatch(1);
540          try {
541 <            assertEquals(2, two.getMaximumPoolSize());
541 >            FutureTask[] tasks = new FutureTask[5];
542 >            for (int i = 0; i < tasks.length; i++) {
543 >                Callable task = new CheckedCallable<Boolean>() {
544 >                    public Boolean realCall() throws InterruptedException {
545 >                        threadStarted.countDown();
546 >                        assertSame(q, p.getQueue());
547 >                        done.await();
548 >                        return Boolean.TRUE;
549 >                    }};
550 >                tasks[i] = new FutureTask(task);
551 >                p.execute(tasks[i]);
552 >            }
553 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
554 >            assertSame(q, p.getQueue());
555 >            assertFalse(q.contains(tasks[0]));
556 >            assertTrue(q.contains(tasks[tasks.length - 1]));
557 >            assertEquals(tasks.length - 1, q.size());
558          } finally {
559 <            two.shutdown();
559 >            done.countDown();
560 >            joinPool(p);
561          }
562      }
563 <    
563 >
564      /**
565 <     *  Test to verify getPoolSize gives correct values
565 >     * remove(task) removes queued task, and fails to remove active task
566       */
567 <    public void testGetPoolSize(){
568 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
569 <        try {
570 <            assertEquals(0, one.getPoolSize());
571 <            one.execute(newRunnable());
572 <            assertEquals(1, one.getPoolSize());
567 >    public void testRemove() throws InterruptedException {
568 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
569 >        final ThreadPoolExecutor p =
570 >            new ThreadPoolExecutor(1, 1,
571 >                                   LONG_DELAY_MS, MILLISECONDS,
572 >                                   q);
573 >        Runnable[] tasks = new Runnable[5];
574 >        final CountDownLatch threadStarted = new CountDownLatch(1);
575 >        final CountDownLatch done = new CountDownLatch(1);
576 >        try {
577 >            for (int i = 0; i < tasks.length; i++) {
578 >                tasks[i] = new CheckedRunnable() {
579 >                    public void realRun() throws InterruptedException {
580 >                        threadStarted.countDown();
581 >                        done.await();
582 >                    }};
583 >                p.execute(tasks[i]);
584 >            }
585 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
586 >            assertFalse(p.remove(tasks[0]));
587 >            assertTrue(q.contains(tasks[4]));
588 >            assertTrue(q.contains(tasks[3]));
589 >            assertTrue(p.remove(tasks[4]));
590 >            assertFalse(p.remove(tasks[4]));
591 >            assertFalse(q.contains(tasks[4]));
592 >            assertTrue(q.contains(tasks[3]));
593 >            assertTrue(p.remove(tasks[3]));
594 >            assertFalse(q.contains(tasks[3]));
595          } finally {
596 <            one.shutdown();
596 >            done.countDown();
597 >            joinPool(p);
598          }
599      }
600 <    
600 >
601      /**
602 <     *  Test to verify getTaskCount gives correct values
602 >     * purge removes cancelled tasks from the queue
603       */
604 <    public void testGetTaskCount(){
605 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
604 >    public void testPurge() throws InterruptedException {
605 >        final CountDownLatch threadStarted = new CountDownLatch(1);
606 >        final CountDownLatch done = new CountDownLatch(1);
607 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
608 >        final ThreadPoolExecutor p =
609 >            new ThreadPoolExecutor(1, 1,
610 >                                   LONG_DELAY_MS, MILLISECONDS,
611 >                                   q);
612 >        FutureTask[] tasks = new FutureTask[5];
613          try {
614 <            assertEquals(0, one.getTaskCount());
615 <            for(int i = 0; i < 5; i++)
616 <                one.execute(newRunnable());
617 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
618 <            assertEquals(5, one.getTaskCount());
614 >            for (int i = 0; i < tasks.length; i++) {
615 >                Callable task = new CheckedCallable<Boolean>() {
616 >                    public Boolean realCall() throws InterruptedException {
617 >                        threadStarted.countDown();
618 >                        done.await();
619 >                        return Boolean.TRUE;
620 >                    }};
621 >                tasks[i] = new FutureTask(task);
622 >                p.execute(tasks[i]);
623 >            }
624 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
625 >            assertEquals(tasks.length, p.getTaskCount());
626 >            assertEquals(tasks.length - 1, q.size());
627 >            assertEquals(1L, p.getActiveCount());
628 >            assertEquals(0L, p.getCompletedTaskCount());
629 >            tasks[4].cancel(true);
630 >            tasks[3].cancel(false);
631 >            p.purge();
632 >            assertEquals(tasks.length - 3, q.size());
633 >            assertEquals(tasks.length - 2, p.getTaskCount());
634 >            p.purge();         // Nothing to do
635 >            assertEquals(tasks.length - 3, q.size());
636 >            assertEquals(tasks.length - 2, p.getTaskCount());
637          } finally {
638 <            one.shutdown();
638 >            done.countDown();
639 >            joinPool(p);
640          }
641      }
642 <    
642 >
643 >    /**
644 >     * shutdownNow returns a list containing tasks that were not run,
645 >     * and those tasks are drained from the queue
646 >     */
647 >    public void testShutdownNow() throws InterruptedException {
648 >        final int poolSize = 2;
649 >        final int count = 5;
650 >        final AtomicInteger ran = new AtomicInteger(0);
651 >        final ThreadPoolExecutor p =
652 >            new ThreadPoolExecutor(poolSize, poolSize,
653 >                                   LONG_DELAY_MS, MILLISECONDS,
654 >                                   new ArrayBlockingQueue<Runnable>(10));
655 >        CountDownLatch threadsStarted = new CountDownLatch(poolSize);
656 >        Runnable waiter = new CheckedRunnable() { public void realRun() {
657 >            threadsStarted.countDown();
658 >            try {
659 >                MILLISECONDS.sleep(2 * LONG_DELAY_MS);
660 >            } catch (InterruptedException success) {}
661 >            ran.getAndIncrement();
662 >        }};
663 >        for (int i = 0; i < count; i++)
664 >            p.execute(waiter);
665 >        assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS));
666 >        assertEquals(poolSize, p.getActiveCount());
667 >        assertEquals(0, p.getCompletedTaskCount());
668 >        final List<Runnable> queuedTasks;
669 >        try {
670 >            queuedTasks = p.shutdownNow();
671 >        } catch (SecurityException ok) {
672 >            return; // Allowed in case test doesn't have privs
673 >        }
674 >        assertTrue(p.isShutdown());
675 >        assertTrue(p.getQueue().isEmpty());
676 >        assertEquals(count - poolSize, queuedTasks.size());
677 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
678 >        assertTrue(p.isTerminated());
679 >        assertEquals(poolSize, ran.get());
680 >        assertEquals(poolSize, p.getCompletedTaskCount());
681 >    }
682 >
683 >    // Exception Tests
684 >
685 >    /**
686 >     * Constructor throws if corePoolSize argument is less than zero
687 >     */
688 >    public void testConstructor1() {
689 >        try {
690 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
691 >                                   new ArrayBlockingQueue<Runnable>(10));
692 >            shouldThrow();
693 >        } catch (IllegalArgumentException success) {}
694 >    }
695 >
696 >    /**
697 >     * Constructor throws if maximumPoolSize is less than zero
698 >     */
699 >    public void testConstructor2() {
700 >        try {
701 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
702 >                                   new ArrayBlockingQueue<Runnable>(10));
703 >            shouldThrow();
704 >        } catch (IllegalArgumentException success) {}
705 >    }
706 >
707 >    /**
708 >     * Constructor throws if maximumPoolSize is equal to zero
709 >     */
710 >    public void testConstructor3() {
711 >        try {
712 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
713 >                                   new ArrayBlockingQueue<Runnable>(10));
714 >            shouldThrow();
715 >        } catch (IllegalArgumentException success) {}
716 >    }
717 >
718 >    /**
719 >     * Constructor throws if keepAliveTime is less than zero
720 >     */
721 >    public void testConstructor4() {
722 >        try {
723 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
724 >                                   new ArrayBlockingQueue<Runnable>(10));
725 >            shouldThrow();
726 >        } catch (IllegalArgumentException success) {}
727 >    }
728 >
729 >    /**
730 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
731 >     */
732 >    public void testConstructor5() {
733 >        try {
734 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
735 >                                   new ArrayBlockingQueue<Runnable>(10));
736 >            shouldThrow();
737 >        } catch (IllegalArgumentException success) {}
738 >    }
739 >
740 >    /**
741 >     * Constructor throws if workQueue is set to null
742 >     */
743 >    public void testConstructorNullPointerException() {
744 >        try {
745 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
746 >                                   (BlockingQueue) null);
747 >            shouldThrow();
748 >        } catch (NullPointerException success) {}
749 >    }
750 >
751 >    /**
752 >     * Constructor throws if corePoolSize argument is less than zero
753 >     */
754 >    public void testConstructor6() {
755 >        try {
756 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
757 >                                   new ArrayBlockingQueue<Runnable>(10),
758 >                                   new SimpleThreadFactory());
759 >            shouldThrow();
760 >        } catch (IllegalArgumentException success) {}
761 >    }
762 >
763 >    /**
764 >     * Constructor throws if maximumPoolSize is less than zero
765 >     */
766 >    public void testConstructor7() {
767 >        try {
768 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
769 >                                   new ArrayBlockingQueue<Runnable>(10),
770 >                                   new SimpleThreadFactory());
771 >            shouldThrow();
772 >        } catch (IllegalArgumentException success) {}
773 >    }
774 >
775 >    /**
776 >     * Constructor throws if maximumPoolSize is equal to zero
777 >     */
778 >    public void testConstructor8() {
779 >        try {
780 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
781 >                                   new ArrayBlockingQueue<Runnable>(10),
782 >                                   new SimpleThreadFactory());
783 >            shouldThrow();
784 >        } catch (IllegalArgumentException success) {}
785 >    }
786 >
787 >    /**
788 >     * Constructor throws if keepAliveTime is less than zero
789 >     */
790 >    public void testConstructor9() {
791 >        try {
792 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
793 >                                   new ArrayBlockingQueue<Runnable>(10),
794 >                                   new SimpleThreadFactory());
795 >            shouldThrow();
796 >        } catch (IllegalArgumentException success) {}
797 >    }
798 >
799 >    /**
800 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
801 >     */
802 >    public void testConstructor10() {
803 >        try {
804 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
805 >                                   new ArrayBlockingQueue<Runnable>(10),
806 >                                   new SimpleThreadFactory());
807 >            shouldThrow();
808 >        } catch (IllegalArgumentException success) {}
809 >    }
810 >
811 >    /**
812 >     * Constructor throws if workQueue is set to null
813 >     */
814 >    public void testConstructorNullPointerException2() {
815 >        try {
816 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
817 >                                   (BlockingQueue) null,
818 >                                   new SimpleThreadFactory());
819 >            shouldThrow();
820 >        } catch (NullPointerException success) {}
821 >    }
822 >
823 >    /**
824 >     * Constructor throws if threadFactory is set to null
825 >     */
826 >    public void testConstructorNullPointerException3() {
827 >        try {
828 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
829 >                                   new ArrayBlockingQueue<Runnable>(10),
830 >                                   (ThreadFactory) null);
831 >            shouldThrow();
832 >        } catch (NullPointerException success) {}
833 >    }
834 >
835 >    /**
836 >     * Constructor throws if corePoolSize argument is less than zero
837 >     */
838 >    public void testConstructor11() {
839 >        try {
840 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
841 >                                   new ArrayBlockingQueue<Runnable>(10),
842 >                                   new NoOpREHandler());
843 >            shouldThrow();
844 >        } catch (IllegalArgumentException success) {}
845 >    }
846 >
847 >    /**
848 >     * Constructor throws if maximumPoolSize is less than zero
849 >     */
850 >    public void testConstructor12() {
851 >        try {
852 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
853 >                                   new ArrayBlockingQueue<Runnable>(10),
854 >                                   new NoOpREHandler());
855 >            shouldThrow();
856 >        } catch (IllegalArgumentException success) {}
857 >    }
858 >
859 >    /**
860 >     * Constructor throws if maximumPoolSize is equal to zero
861 >     */
862 >    public void testConstructor13() {
863 >        try {
864 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
865 >                                   new ArrayBlockingQueue<Runnable>(10),
866 >                                   new NoOpREHandler());
867 >            shouldThrow();
868 >        } catch (IllegalArgumentException success) {}
869 >    }
870 >
871 >    /**
872 >     * Constructor throws if keepAliveTime is less than zero
873 >     */
874 >    public void testConstructor14() {
875 >        try {
876 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
877 >                                   new ArrayBlockingQueue<Runnable>(10),
878 >                                   new NoOpREHandler());
879 >            shouldThrow();
880 >        } catch (IllegalArgumentException success) {}
881 >    }
882 >
883 >    /**
884 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
885 >     */
886 >    public void testConstructor15() {
887 >        try {
888 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
889 >                                   new ArrayBlockingQueue<Runnable>(10),
890 >                                   new NoOpREHandler());
891 >            shouldThrow();
892 >        } catch (IllegalArgumentException success) {}
893 >    }
894 >
895 >    /**
896 >     * Constructor throws if workQueue is set to null
897 >     */
898 >    public void testConstructorNullPointerException4() {
899 >        try {
900 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
901 >                                   (BlockingQueue) null,
902 >                                   new NoOpREHandler());
903 >            shouldThrow();
904 >        } catch (NullPointerException success) {}
905 >    }
906 >
907 >    /**
908 >     * Constructor throws if handler is set to null
909 >     */
910 >    public void testConstructorNullPointerException5() {
911 >        try {
912 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
913 >                                   new ArrayBlockingQueue<Runnable>(10),
914 >                                   (RejectedExecutionHandler) null);
915 >            shouldThrow();
916 >        } catch (NullPointerException success) {}
917 >    }
918 >
919 >    /**
920 >     * Constructor throws if corePoolSize argument is less than zero
921 >     */
922 >    public void testConstructor16() {
923 >        try {
924 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
925 >                                   new ArrayBlockingQueue<Runnable>(10),
926 >                                   new SimpleThreadFactory(),
927 >                                   new NoOpREHandler());
928 >            shouldThrow();
929 >        } catch (IllegalArgumentException success) {}
930 >    }
931 >
932 >    /**
933 >     * Constructor throws if maximumPoolSize is less than zero
934 >     */
935 >    public void testConstructor17() {
936 >        try {
937 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
938 >                                   new ArrayBlockingQueue<Runnable>(10),
939 >                                   new SimpleThreadFactory(),
940 >                                   new NoOpREHandler());
941 >            shouldThrow();
942 >        } catch (IllegalArgumentException success) {}
943 >    }
944 >
945 >    /**
946 >     * Constructor throws if maximumPoolSize is equal to zero
947 >     */
948 >    public void testConstructor18() {
949 >        try {
950 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
951 >                                   new ArrayBlockingQueue<Runnable>(10),
952 >                                   new SimpleThreadFactory(),
953 >                                   new NoOpREHandler());
954 >            shouldThrow();
955 >        } catch (IllegalArgumentException success) {}
956 >    }
957 >
958 >    /**
959 >     * Constructor throws if keepAliveTime is less than zero
960 >     */
961 >    public void testConstructor19() {
962 >        try {
963 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
964 >                                   new ArrayBlockingQueue<Runnable>(10),
965 >                                   new SimpleThreadFactory(),
966 >                                   new NoOpREHandler());
967 >            shouldThrow();
968 >        } catch (IllegalArgumentException success) {}
969 >    }
970 >
971 >    /**
972 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
973 >     */
974 >    public void testConstructor20() {
975 >        try {
976 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
977 >                                   new ArrayBlockingQueue<Runnable>(10),
978 >                                   new SimpleThreadFactory(),
979 >                                   new NoOpREHandler());
980 >            shouldThrow();
981 >        } catch (IllegalArgumentException success) {}
982 >    }
983 >
984 >    /**
985 >     * Constructor throws if workQueue is null
986 >     */
987 >    public void testConstructorNullPointerException6() {
988 >        try {
989 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
990 >                                   (BlockingQueue) null,
991 >                                   new SimpleThreadFactory(),
992 >                                   new NoOpREHandler());
993 >            shouldThrow();
994 >        } catch (NullPointerException success) {}
995 >    }
996 >
997      /**
998 <     *  Test to verify isShutDown gives correct values
998 >     * Constructor throws if handler is null
999       */
1000 <    public void testIsShutdown(){
188 <        
189 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1000 >    public void testConstructorNullPointerException7() {
1001          try {
1002 <            assertFalse(one.isShutdown());
1002 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1003 >                                   new ArrayBlockingQueue<Runnable>(10),
1004 >                                   new SimpleThreadFactory(),
1005 >                                   (RejectedExecutionHandler) null);
1006 >            shouldThrow();
1007 >        } catch (NullPointerException success) {}
1008 >    }
1009 >
1010 >    /**
1011 >     * Constructor throws if ThreadFactory is null
1012 >     */
1013 >    public void testConstructorNullPointerException8() {
1014 >        try {
1015 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1016 >                                   new ArrayBlockingQueue<Runnable>(10),
1017 >                                   (ThreadFactory) null,
1018 >                                   new NoOpREHandler());
1019 >            shouldThrow();
1020 >        } catch (NullPointerException success) {}
1021 >    }
1022 >
1023 >    /**
1024 >     * get of submitted callable throws InterruptedException if interrupted
1025 >     */
1026 >    public void testInterruptedSubmit() throws InterruptedException {
1027 >        final ThreadPoolExecutor p =
1028 >            new ThreadPoolExecutor(1, 1,
1029 >                                   60, SECONDS,
1030 >                                   new ArrayBlockingQueue<Runnable>(10));
1031 >
1032 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1033 >        final CountDownLatch done = new CountDownLatch(1);
1034 >        try {
1035 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1036 >                public void realRun() throws Exception {
1037 >                    Callable task = new CheckedCallable<Boolean>() {
1038 >                        public Boolean realCall() throws InterruptedException {
1039 >                            threadStarted.countDown();
1040 >                            done.await();
1041 >                            return Boolean.TRUE;
1042 >                        }};
1043 >                    p.submit(task).get();
1044 >                }});
1045 >
1046 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1047 >            t.interrupt();
1048 >            awaitTermination(t, MEDIUM_DELAY_MS);
1049 >        } finally {
1050 >            done.countDown();
1051 >            joinPool(p);
1052          }
1053 <        finally {
1054 <            one.shutdown();
1053 >    }
1054 >
1055 >    /**
1056 >     * execute throws RejectedExecutionException if saturated.
1057 >     */
1058 >    public void testSaturatedExecute() {
1059 >        ThreadPoolExecutor p =
1060 >            new ThreadPoolExecutor(1, 1,
1061 >                                   LONG_DELAY_MS, MILLISECONDS,
1062 >                                   new ArrayBlockingQueue<Runnable>(1));
1063 >        final CountDownLatch done = new CountDownLatch(1);
1064 >        try {
1065 >            Runnable task = new CheckedRunnable() {
1066 >                public void realRun() throws InterruptedException {
1067 >                    done.await();
1068 >                }};
1069 >            for (int i = 0; i < 2; ++i)
1070 >                p.execute(task);
1071 >            for (int i = 0; i < 2; ++i) {
1072 >                try {
1073 >                    p.execute(task);
1074 >                    shouldThrow();
1075 >                } catch (RejectedExecutionException success) {}
1076 >                assertTrue(p.getTaskCount() <= 2);
1077 >            }
1078 >        } finally {
1079 >            done.countDown();
1080 >            joinPool(p);
1081          }
196        assertTrue(one.isShutdown());
1082      }
1083  
199        
1084      /**
1085 <     *  Test to verify isTerminated gives correct values
202 <     *  Makes sure termination does not take an innapropriate
203 <     *  amount of time
1085 >     * submit(runnable) throws RejectedExecutionException if saturated.
1086       */
1087 <    public void testIsTerminated(){
1088 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1087 >    public void testSaturatedSubmitRunnable() {
1088 >        ThreadPoolExecutor p =
1089 >            new ThreadPoolExecutor(1, 1,
1090 >                                   LONG_DELAY_MS, MILLISECONDS,
1091 >                                   new ArrayBlockingQueue<Runnable>(1));
1092 >        final CountDownLatch done = new CountDownLatch(1);
1093          try {
1094 <            one.execute(newRunnable());
1094 >            Runnable task = new CheckedRunnable() {
1095 >                public void realRun() throws InterruptedException {
1096 >                    done.await();
1097 >                }};
1098 >            for (int i = 0; i < 2; ++i)
1099 >                p.submit(task);
1100 >            for (int i = 0; i < 2; ++i) {
1101 >                try {
1102 >                    p.execute(task);
1103 >                    shouldThrow();
1104 >                } catch (RejectedExecutionException success) {}
1105 >                assertTrue(p.getTaskCount() <= 2);
1106 >            }
1107          } finally {
1108 <            one.shutdown();
1108 >            done.countDown();
1109 >            joinPool(p);
1110          }
212        boolean flag = false;
213        try{
214            flag = one.awaitTermination(10, TimeUnit.SECONDS);
215        } catch(Exception e){}  
216        assertTrue(one.isTerminated());
217        if(!flag)
218            fail("ThreadPoolExecutor - thread pool did not terminate within suitable timeframe");
1111      }
1112  
1113      /**
1114 <     *  Test to verify that purge correctly removes cancelled tasks
223 <     *  from the queue
1114 >     * submit(callable) throws RejectedExecutionException if saturated.
1115       */
1116 <    public void testPurge(){
1117 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1116 >    public void testSaturatedSubmitCallable() {
1117 >        ThreadPoolExecutor p =
1118 >            new ThreadPoolExecutor(1, 1,
1119 >                                   LONG_DELAY_MS, MILLISECONDS,
1120 >                                   new ArrayBlockingQueue<Runnable>(1));
1121 >        final CountDownLatch done = new CountDownLatch(1);
1122          try {
1123 <            CancellableTask[] tasks = new CancellableTask[5];
1124 <            for(int i = 0; i < 5; i++){
1125 <                tasks[i] = new CancellableTask(newRunnable());
1126 <                one.execute(tasks[i]);
1123 >            Runnable task = new CheckedRunnable() {
1124 >                public void realRun() throws InterruptedException {
1125 >                    done.await();
1126 >                }};
1127 >            for (int i = 0; i < 2; ++i)
1128 >                p.submit(Executors.callable(task));
1129 >            for (int i = 0; i < 2; ++i) {
1130 >                try {
1131 >                    p.execute(task);
1132 >                    shouldThrow();
1133 >                } catch (RejectedExecutionException success) {}
1134 >                assertTrue(p.getTaskCount() <= 2);
1135              }
233            tasks[4].cancel(true);
234            tasks[3].cancel(true);
235            one.purge();
236            long count = one.getTaskCount();
237            assertTrue(count >= 2 && count < 5);
1136          } finally {
1137 <            one.shutdown();
1137 >            done.countDown();
1138 >            joinPool(p);
1139          }
1140      }
1141  
1142      /**
1143 <     *  Test to verify shutDownNow returns a list
245 <     *  containing the correct number of elements
1143 >     * executor using CallerRunsPolicy runs task if saturated.
1144       */
1145 <    public void testShutDownNow(){
1146 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1147 <        List l;
1145 >    public void testSaturatedExecute2() {
1146 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1147 >        final ThreadPoolExecutor p =
1148 >            new ThreadPoolExecutor(1, 1,
1149 >                                   LONG_DELAY_MS,
1150 >                                   MILLISECONDS,
1151 >                                   new ArrayBlockingQueue<Runnable>(1),
1152 >                                   h);
1153          try {
1154 <            for(int i = 0; i < 5; i++)
1155 <                one.execute(newRunnable());
1154 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1155 >            for (int i = 0; i < tasks.length; ++i)
1156 >                tasks[i] = new TrackedNoOpRunnable();
1157 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1158 >            p.execute(mr);
1159 >            for (int i = 0; i < tasks.length; ++i)
1160 >                p.execute(tasks[i]);
1161 >            for (int i = 1; i < tasks.length; ++i)
1162 >                assertTrue(tasks[i].done);
1163 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1164 >        } finally {
1165 >            joinPool(p);
1166          }
1167 <        finally {
1168 <            l = one.shutdownNow();
1167 >    }
1168 >
1169 >    /**
1170 >     * executor using DiscardPolicy drops task if saturated.
1171 >     */
1172 >    public void testSaturatedExecute3() {
1173 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1174 >        final ThreadPoolExecutor p =
1175 >            new ThreadPoolExecutor(1, 1,
1176 >                                   LONG_DELAY_MS, MILLISECONDS,
1177 >                                   new ArrayBlockingQueue<Runnable>(1),
1178 >                                   h);
1179 >        try {
1180 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1181 >            for (int i = 0; i < tasks.length; ++i)
1182 >                tasks[i] = new TrackedNoOpRunnable();
1183 >            p.execute(new TrackedLongRunnable());
1184 >            for (TrackedNoOpRunnable task : tasks)
1185 >                p.execute(task);
1186 >            for (TrackedNoOpRunnable task : tasks)
1187 >                assertFalse(task.done);
1188 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1189 >        } finally {
1190 >            joinPool(p);
1191          }
257        assertTrue(one.isShutdown());
258        assertTrue(l.size() <= 4);
1192      }
1193  
1194 <    
1195 <
1196 <    
1197 <    
1198 <      
1199 <    // Exception Tests
1200 <    
1194 >    /**
1195 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1196 >     */
1197 >    public void testSaturatedExecute4() {
1198 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1199 >        final ThreadPoolExecutor p =
1200 >            new ThreadPoolExecutor(1, 1,
1201 >                                   LONG_DELAY_MS, MILLISECONDS,
1202 >                                   new ArrayBlockingQueue<Runnable>(1),
1203 >                                   h);
1204 >        try {
1205 >            p.execute(new TrackedLongRunnable());
1206 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1207 >            p.execute(r2);
1208 >            assertTrue(p.getQueue().contains(r2));
1209 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1210 >            p.execute(r3);
1211 >            assertFalse(p.getQueue().contains(r2));
1212 >            assertTrue(p.getQueue().contains(r3));
1213 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1214 >        } finally {
1215 >            joinPool(p);
1216 >        }
1217 >    }
1218  
1219 <    //---- Tests if corePoolSize argument is less than zero
1220 <    public void testConstructor1() {
1221 <        try{
1222 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1223 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1219 >    /**
1220 >     * execute throws RejectedExecutionException if shutdown
1221 >     */
1222 >    public void testRejectedExecutionExceptionOnShutdown() {
1223 >        ThreadPoolExecutor p =
1224 >            new ThreadPoolExecutor(1, 1,
1225 >                                   LONG_DELAY_MS, MILLISECONDS,
1226 >                                   new ArrayBlockingQueue<Runnable>(1));
1227 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1228 >        try {
1229 >            p.execute(new NoOpRunnable());
1230 >            shouldThrow();
1231 >        } catch (RejectedExecutionException success) {}
1232 >
1233 >        joinPool(p);
1234 >    }
1235 >
1236 >    /**
1237 >     * execute using CallerRunsPolicy drops task on shutdown
1238 >     */
1239 >    public void testCallerRunsOnShutdown() {
1240 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1241 >        final ThreadPoolExecutor p =
1242 >            new ThreadPoolExecutor(1, 1,
1243 >                                   LONG_DELAY_MS, MILLISECONDS,
1244 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1245 >
1246 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1247 >        try {
1248 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1249 >            p.execute(r);
1250 >            assertFalse(r.done);
1251 >        } finally {
1252 >            joinPool(p);
1253          }
275        catch (IllegalArgumentException i){}
1254      }
1255 <    
1256 <    //---- Tests if maximumPoolSize is less than zero
1257 <    public void testConstructor2() {
1258 <        try{
1259 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1260 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1255 >
1256 >    /**
1257 >     * execute using DiscardPolicy drops task on shutdown
1258 >     */
1259 >    public void testDiscardOnShutdown() {
1260 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1261 >        ThreadPoolExecutor p =
1262 >            new ThreadPoolExecutor(1, 1,
1263 >                                   LONG_DELAY_MS, MILLISECONDS,
1264 >                                   new ArrayBlockingQueue<Runnable>(1),
1265 >                                   h);
1266 >
1267 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1268 >        try {
1269 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1270 >            p.execute(r);
1271 >            assertFalse(r.done);
1272 >        } finally {
1273 >            joinPool(p);
1274          }
284        catch (IllegalArgumentException i2){}
1275      }
1276 <    
1277 <    //---- Tests if maximumPoolSize is equal to zero
1278 <    public void testConstructor3() {
1279 <        try{
1280 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1281 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1276 >
1277 >    /**
1278 >     * execute using DiscardOldestPolicy drops task on shutdown
1279 >     */
1280 >    public void testDiscardOldestOnShutdown() {
1281 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1282 >        ThreadPoolExecutor p =
1283 >            new ThreadPoolExecutor(1, 1,
1284 >                                   LONG_DELAY_MS, MILLISECONDS,
1285 >                                   new ArrayBlockingQueue<Runnable>(1),
1286 >                                   h);
1287 >
1288 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1289 >        try {
1290 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1291 >            p.execute(r);
1292 >            assertFalse(r.done);
1293 >        } finally {
1294 >            joinPool(p);
1295          }
293        catch (IllegalArgumentException i3){}
1296      }
1297  
1298 <    //---- Tests if keepAliveTime is less than zero
1299 <    public void testConstructor4() {
1300 <        try{
1301 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1302 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1298 >    /**
1299 >     * execute(null) throws NPE
1300 >     */
1301 >    public void testExecuteNull() {
1302 >        ThreadPoolExecutor p =
1303 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1304 >                                   new ArrayBlockingQueue<Runnable>(10));
1305 >        try {
1306 >            p.execute(null);
1307 >            shouldThrow();
1308 >        } catch (NullPointerException success) {}
1309 >
1310 >        joinPool(p);
1311 >    }
1312 >
1313 >    /**
1314 >     * setCorePoolSize of negative value throws IllegalArgumentException
1315 >     */
1316 >    public void testCorePoolSizeIllegalArgumentException() {
1317 >        ThreadPoolExecutor p =
1318 >            new ThreadPoolExecutor(1, 2,
1319 >                                   LONG_DELAY_MS, MILLISECONDS,
1320 >                                   new ArrayBlockingQueue<Runnable>(10));
1321 >        try {
1322 >            p.setCorePoolSize(-1);
1323 >            shouldThrow();
1324 >        } catch (IllegalArgumentException success) {
1325 >        } finally {
1326 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1327          }
1328 <        catch (IllegalArgumentException i4){}
1328 >        joinPool(p);
1329      }
1330  
1331 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1332 <    public void testConstructor5() {
1333 <        try{
1334 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
1335 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1331 >    /**
1332 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1333 >     * given a value less the core pool size
1334 >     */
1335 >    public void testMaximumPoolSizeIllegalArgumentException() {
1336 >        ThreadPoolExecutor p =
1337 >            new ThreadPoolExecutor(2, 3,
1338 >                                   LONG_DELAY_MS, MILLISECONDS,
1339 >                                   new ArrayBlockingQueue<Runnable>(10));
1340 >        try {
1341 >            p.setMaximumPoolSize(1);
1342 >            shouldThrow();
1343 >        } catch (IllegalArgumentException success) {
1344 >        } finally {
1345 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1346          }
1347 <        catch (IllegalArgumentException i5){}
1347 >        joinPool(p);
1348      }
1349 <        
1350 <    //---- Tests if workQueue is set to null
1351 <    public void testNullPointerException() {
1352 <        try{
1353 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
1354 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1349 >
1350 >    /**
1351 >     * setMaximumPoolSize throws IllegalArgumentException
1352 >     * if given a negative value
1353 >     */
1354 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1355 >        ThreadPoolExecutor p =
1356 >            new ThreadPoolExecutor(2, 3,
1357 >                                   LONG_DELAY_MS, MILLISECONDS,
1358 >                                   new ArrayBlockingQueue<Runnable>(10));
1359 >        try {
1360 >            p.setMaximumPoolSize(-1);
1361 >            shouldThrow();
1362 >        } catch (IllegalArgumentException success) {
1363 >        } finally {
1364 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1365          }
1366 <        catch (NullPointerException n){}  
1366 >        joinPool(p);
1367      }
322    
1368  
1369 <    
1370 <    //---- Tests if corePoolSize argument is less than zero
1371 <    public void testConstructor6() {
1372 <        try{
1373 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1374 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1375 <        } catch (IllegalArgumentException i6){}
1369 >    /**
1370 >     * Configuration changes that allow core pool size greater than
1371 >     * max pool size result in IllegalArgumentException.
1372 >     */
1373 >    public void testPoolSizeInvariants() {
1374 >        ThreadPoolExecutor p =
1375 >            new ThreadPoolExecutor(1, 1,
1376 >                                   LONG_DELAY_MS, MILLISECONDS,
1377 >                                   new ArrayBlockingQueue<Runnable>(10));
1378 >        for (int s = 1; s < 5; s++) {
1379 >            p.setMaximumPoolSize(s);
1380 >            p.setCorePoolSize(s);
1381 >            try {
1382 >                p.setMaximumPoolSize(s - 1);
1383 >                shouldThrow();
1384 >            } catch (IllegalArgumentException success) {}
1385 >            assertEquals(s, p.getCorePoolSize());
1386 >            assertEquals(s, p.getMaximumPoolSize());
1387 >            try {
1388 >                p.setCorePoolSize(s + 1);
1389 >                shouldThrow();
1390 >            } catch (IllegalArgumentException success) {}
1391 >            assertEquals(s, p.getCorePoolSize());
1392 >            assertEquals(s, p.getMaximumPoolSize());
1393 >        }
1394 >        joinPool(p);
1395      }
1396 <    
1397 <    //---- Tests if maximumPoolSize is less than zero
1398 <    public void testConstructor7() {
1399 <        try{
1400 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1401 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1396 >
1397 >    /**
1398 >     * setKeepAliveTime throws IllegalArgumentException
1399 >     * when given a negative value
1400 >     */
1401 >    public void testKeepAliveTimeIllegalArgumentException() {
1402 >        ThreadPoolExecutor p =
1403 >            new ThreadPoolExecutor(2, 3,
1404 >                                   LONG_DELAY_MS, MILLISECONDS,
1405 >                                   new ArrayBlockingQueue<Runnable>(10));
1406 >        try {
1407 >            p.setKeepAliveTime(-1,MILLISECONDS);
1408 >            shouldThrow();
1409 >        } catch (IllegalArgumentException success) {
1410 >        } finally {
1411 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1412          }
1413 <        catch (IllegalArgumentException i7){}
1413 >        joinPool(p);
1414      }
1415  
1416 <    //---- Tests if maximumPoolSize is equal to zero
1417 <    public void testConstructor8() {
1418 <        try{
1419 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1420 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1416 >    /**
1417 >     * terminated() is called on termination
1418 >     */
1419 >    public void testTerminated() {
1420 >        ExtendedTPE p = new ExtendedTPE();
1421 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1422 >        assertTrue(p.terminatedCalled());
1423 >        joinPool(p);
1424 >    }
1425 >
1426 >    /**
1427 >     * beforeExecute and afterExecute are called when executing task
1428 >     */
1429 >    public void testBeforeAfter() throws InterruptedException {
1430 >        ExtendedTPE p = new ExtendedTPE();
1431 >        try {
1432 >            final CountDownLatch done = new CountDownLatch(1);
1433 >            p.execute(new CheckedRunnable() {
1434 >                public void realRun() {
1435 >                    done.countDown();
1436 >                }});
1437 >            await(p.afterCalled);
1438 >            assertEquals(0, done.getCount());
1439 >            assertTrue(p.afterCalled());
1440 >            assertTrue(p.beforeCalled());
1441 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1442 >        } finally {
1443 >            joinPool(p);
1444          }
348        catch (IllegalArgumentException i8){}
1445      }
1446  
1447 <    //---- Tests if keepAliveTime is less than zero
1448 <    public void testConstructor9() {
1449 <        try{
1450 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1451 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1447 >    /**
1448 >     * completed submit of callable returns result
1449 >     */
1450 >    public void testSubmitCallable() throws Exception {
1451 >        ExecutorService e =
1452 >            new ThreadPoolExecutor(2, 2,
1453 >                                   LONG_DELAY_MS, MILLISECONDS,
1454 >                                   new ArrayBlockingQueue<Runnable>(10));
1455 >        try {
1456 >            Future<String> future = e.submit(new StringTask());
1457 >            String result = future.get();
1458 >            assertSame(TEST_STRING, result);
1459 >        } finally {
1460 >            joinPool(e);
1461          }
357        catch (IllegalArgumentException i9){}
1462      }
1463  
1464 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1465 <    public void testConstructor10() {
1466 <        try{
1467 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
1468 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1464 >    /**
1465 >     * completed submit of runnable returns successfully
1466 >     */
1467 >    public void testSubmitRunnable() throws Exception {
1468 >        ExecutorService e =
1469 >            new ThreadPoolExecutor(2, 2,
1470 >                                   LONG_DELAY_MS, MILLISECONDS,
1471 >                                   new ArrayBlockingQueue<Runnable>(10));
1472 >        try {
1473 >            Future<?> future = e.submit(new NoOpRunnable());
1474 >            future.get();
1475 >            assertTrue(future.isDone());
1476 >        } finally {
1477 >            joinPool(e);
1478          }
366        catch (IllegalArgumentException i10){}
1479      }
1480  
1481 <    //---- Tests if workQueue is set to null
1482 <    public void testNullPointerException2() {
1483 <        try{
1484 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1485 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1481 >    /**
1482 >     * completed submit of (runnable, result) returns result
1483 >     */
1484 >    public void testSubmitRunnable2() throws Exception {
1485 >        ExecutorService e =
1486 >            new ThreadPoolExecutor(2, 2,
1487 >                                   LONG_DELAY_MS, MILLISECONDS,
1488 >                                   new ArrayBlockingQueue<Runnable>(10));
1489 >        try {
1490 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1491 >            String result = future.get();
1492 >            assertSame(TEST_STRING, result);
1493 >        } finally {
1494 >            joinPool(e);
1495          }
375        catch (NullPointerException n2){}  
1496      }
1497  
1498 <    //---- Tests if threadFactory is set to null
1499 <    public void testNullPointerException3() {
1500 <        try{
1501 <            ThreadFactory f = null;
1502 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1503 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1498 >    /**
1499 >     * invokeAny(null) throws NPE
1500 >     */
1501 >    public void testInvokeAny1() throws Exception {
1502 >        ExecutorService e =
1503 >            new ThreadPoolExecutor(2, 2,
1504 >                                   LONG_DELAY_MS, MILLISECONDS,
1505 >                                   new ArrayBlockingQueue<Runnable>(10));
1506 >        try {
1507 >            e.invokeAny(null);
1508 >            shouldThrow();
1509 >        } catch (NullPointerException success) {
1510 >        } finally {
1511 >            joinPool(e);
1512          }
385        catch (NullPointerException n3){}  
1513      }
1514 <
1515 <    
1516 <    //---- Tests if corePoolSize argument is less than zero
1517 <    public void testConstructor11() {
1518 <        try{
1519 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1520 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1514 >
1515 >    /**
1516 >     * invokeAny(empty collection) throws IAE
1517 >     */
1518 >    public void testInvokeAny2() throws Exception {
1519 >        ExecutorService e =
1520 >            new ThreadPoolExecutor(2, 2,
1521 >                                   LONG_DELAY_MS, MILLISECONDS,
1522 >                                   new ArrayBlockingQueue<Runnable>(10));
1523 >        try {
1524 >            e.invokeAny(new ArrayList<Callable<String>>());
1525 >            shouldThrow();
1526 >        } catch (IllegalArgumentException success) {
1527 >        } finally {
1528 >            joinPool(e);
1529          }
395        catch (IllegalArgumentException i11){}
1530      }
1531  
1532 <    //---- Tests if maximumPoolSize is less than zero
1533 <    public void testConstructor12() {
1534 <        try{
1535 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1536 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1532 >    /**
1533 >     * invokeAny(c) throws NPE if c has null elements
1534 >     */
1535 >    public void testInvokeAny3() throws Exception {
1536 >        final CountDownLatch latch = new CountDownLatch(1);
1537 >        final ExecutorService e =
1538 >            new ThreadPoolExecutor(2, 2,
1539 >                                   LONG_DELAY_MS, MILLISECONDS,
1540 >                                   new ArrayBlockingQueue<Runnable>(10));
1541 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1542 >        l.add(latchAwaitingStringTask(latch));
1543 >        l.add(null);
1544 >        try {
1545 >            e.invokeAny(l);
1546 >            shouldThrow();
1547 >        } catch (NullPointerException success) {
1548 >        } finally {
1549 >            latch.countDown();
1550 >            joinPool(e);
1551          }
404        catch (IllegalArgumentException i12){}
1552      }
1553  
1554 <    //---- Tests if maximumPoolSize is equal to zero
1555 <    public void testConstructor13() {
1556 <        try{
1557 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1558 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1554 >    /**
1555 >     * invokeAny(c) throws ExecutionException if no task completes
1556 >     */
1557 >    public void testInvokeAny4() throws Exception {
1558 >        ExecutorService e =
1559 >            new ThreadPoolExecutor(2, 2,
1560 >                                   LONG_DELAY_MS, MILLISECONDS,
1561 >                                   new ArrayBlockingQueue<Runnable>(10));
1562 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1563 >        l.add(new NPETask());
1564 >        try {
1565 >            e.invokeAny(l);
1566 >            shouldThrow();
1567 >        } catch (ExecutionException success) {
1568 >            assertTrue(success.getCause() instanceof NullPointerException);
1569 >        } finally {
1570 >            joinPool(e);
1571          }
413        catch (IllegalArgumentException i13){}
1572      }
1573  
1574 <    //---- Tests if keepAliveTime is less than zero
1575 <    public void testConstructor14() {
1576 <        try{
1577 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1578 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1574 >    /**
1575 >     * invokeAny(c) returns result of some task
1576 >     */
1577 >    public void testInvokeAny5() throws Exception {
1578 >        ExecutorService e =
1579 >            new ThreadPoolExecutor(2, 2,
1580 >                                   LONG_DELAY_MS, MILLISECONDS,
1581 >                                   new ArrayBlockingQueue<Runnable>(10));
1582 >        try {
1583 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1584 >            l.add(new StringTask());
1585 >            l.add(new StringTask());
1586 >            String result = e.invokeAny(l);
1587 >            assertSame(TEST_STRING, result);
1588 >        } finally {
1589 >            joinPool(e);
1590          }
422        catch (IllegalArgumentException i14){}
1591      }
1592  
1593 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1594 <    public void testConstructor15() {
1595 <        try{
1596 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1597 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1593 >    /**
1594 >     * invokeAll(null) throws NPE
1595 >     */
1596 >    public void testInvokeAll1() throws Exception {
1597 >        ExecutorService e =
1598 >            new ThreadPoolExecutor(2, 2,
1599 >                                   LONG_DELAY_MS, MILLISECONDS,
1600 >                                   new ArrayBlockingQueue<Runnable>(10));
1601 >        try {
1602 >            e.invokeAll(null);
1603 >            shouldThrow();
1604 >        } catch (NullPointerException success) {
1605 >        } finally {
1606 >            joinPool(e);
1607          }
431        catch (IllegalArgumentException i15){}
1608      }
1609  
1610 <    //---- Tests if workQueue is set to null
1611 <    public void testNullPointerException4() {
1612 <        try{
1613 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1614 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1610 >    /**
1611 >     * invokeAll(empty collection) returns empty collection
1612 >     */
1613 >    public void testInvokeAll2() throws InterruptedException {
1614 >        ExecutorService e =
1615 >            new ThreadPoolExecutor(2, 2,
1616 >                                   LONG_DELAY_MS, MILLISECONDS,
1617 >                                   new ArrayBlockingQueue<Runnable>(10));
1618 >        try {
1619 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1620 >            assertTrue(r.isEmpty());
1621 >        } finally {
1622 >            joinPool(e);
1623          }
440        catch (NullPointerException n4){}  
1624      }
1625  
1626 <    //---- Tests if handler is set to null
1627 <    public void testNullPointerException5() {
1628 <        try{
1629 <            RejectedExecutionHandler r = null;
1630 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1631 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1626 >    /**
1627 >     * invokeAll(c) throws NPE if c has null elements
1628 >     */
1629 >    public void testInvokeAll3() throws Exception {
1630 >        ExecutorService e =
1631 >            new ThreadPoolExecutor(2, 2,
1632 >                                   LONG_DELAY_MS, MILLISECONDS,
1633 >                                   new ArrayBlockingQueue<Runnable>(10));
1634 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1635 >        l.add(new StringTask());
1636 >        l.add(null);
1637 >        try {
1638 >            e.invokeAll(l);
1639 >            shouldThrow();
1640 >        } catch (NullPointerException success) {
1641 >        } finally {
1642 >            joinPool(e);
1643          }
450        catch (NullPointerException n5){}  
1644      }
1645  
1646 <    
1647 <    //---- Tests if corePoolSize argument is less than zero
1648 <    public void testConstructor16() {
1649 <        try{
1650 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1651 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1646 >    /**
1647 >     * get of element of invokeAll(c) throws exception on failed task
1648 >     */
1649 >    public void testInvokeAll4() throws Exception {
1650 >        ExecutorService e =
1651 >            new ThreadPoolExecutor(2, 2,
1652 >                                   LONG_DELAY_MS, MILLISECONDS,
1653 >                                   new ArrayBlockingQueue<Runnable>(10));
1654 >        try {
1655 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1656 >            l.add(new NPETask());
1657 >            List<Future<String>> futures = e.invokeAll(l);
1658 >            assertEquals(1, futures.size());
1659 >            try {
1660 >                futures.get(0).get();
1661 >                shouldThrow();
1662 >            } catch (ExecutionException success) {
1663 >                assertTrue(success.getCause() instanceof NullPointerException);
1664 >            }
1665 >        } finally {
1666 >            joinPool(e);
1667          }
460        catch (IllegalArgumentException i16){}
1668      }
1669  
1670 <    //---- Tests if maximumPoolSize is less than zero
1671 <    public void testConstructor17() {
1672 <        try{
1673 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1674 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1670 >    /**
1671 >     * invokeAll(c) returns results of all completed tasks
1672 >     */
1673 >    public void testInvokeAll5() throws Exception {
1674 >        ExecutorService e =
1675 >            new ThreadPoolExecutor(2, 2,
1676 >                                   LONG_DELAY_MS, MILLISECONDS,
1677 >                                   new ArrayBlockingQueue<Runnable>(10));
1678 >        try {
1679 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1680 >            l.add(new StringTask());
1681 >            l.add(new StringTask());
1682 >            List<Future<String>> futures = e.invokeAll(l);
1683 >            assertEquals(2, futures.size());
1684 >            for (Future<String> future : futures)
1685 >                assertSame(TEST_STRING, future.get());
1686 >        } finally {
1687 >            joinPool(e);
1688          }
469        catch (IllegalArgumentException i17){}
1689      }
1690  
1691 <    //---- Tests if maximumPoolSize is equal to zero
1692 <    public void testConstructor18() {
1693 <        try{
1694 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1695 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1691 >    /**
1692 >     * timed invokeAny(null) throws NPE
1693 >     */
1694 >    public void testTimedInvokeAny1() throws Exception {
1695 >        ExecutorService e =
1696 >            new ThreadPoolExecutor(2, 2,
1697 >                                   LONG_DELAY_MS, MILLISECONDS,
1698 >                                   new ArrayBlockingQueue<Runnable>(10));
1699 >        try {
1700 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1701 >            shouldThrow();
1702 >        } catch (NullPointerException success) {
1703 >        } finally {
1704 >            joinPool(e);
1705          }
478        catch (IllegalArgumentException i18){}
1706      }
1707  
1708 <    //---- Tests if keepAliveTime is less than zero
1709 <    public void testConstructor19() {
1710 <        try{
1711 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1712 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1708 >    /**
1709 >     * timed invokeAny(,,null) throws NPE
1710 >     */
1711 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1712 >        ExecutorService e =
1713 >            new ThreadPoolExecutor(2, 2,
1714 >                                   LONG_DELAY_MS, MILLISECONDS,
1715 >                                   new ArrayBlockingQueue<Runnable>(10));
1716 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1717 >        l.add(new StringTask());
1718 >        try {
1719 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1720 >            shouldThrow();
1721 >        } catch (NullPointerException success) {
1722 >        } finally {
1723 >            joinPool(e);
1724          }
487        catch (IllegalArgumentException i19){}
1725      }
1726  
1727 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1728 <    public void testConstructor20() {
1729 <        try{
1730 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1731 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1727 >    /**
1728 >     * timed invokeAny(empty collection) throws IAE
1729 >     */
1730 >    public void testTimedInvokeAny2() throws Exception {
1731 >        ExecutorService e =
1732 >            new ThreadPoolExecutor(2, 2,
1733 >                                   LONG_DELAY_MS, MILLISECONDS,
1734 >                                   new ArrayBlockingQueue<Runnable>(10));
1735 >        try {
1736 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1737 >            shouldThrow();
1738 >        } catch (IllegalArgumentException success) {
1739 >        } finally {
1740 >            joinPool(e);
1741 >        }
1742 >    }
1743 >
1744 >    /**
1745 >     * timed invokeAny(c) throws NPE if c has null elements
1746 >     */
1747 >    public void testTimedInvokeAny3() throws Exception {
1748 >        final CountDownLatch latch = new CountDownLatch(1);
1749 >        final ExecutorService e =
1750 >            new ThreadPoolExecutor(2, 2,
1751 >                                   LONG_DELAY_MS, MILLISECONDS,
1752 >                                   new ArrayBlockingQueue<Runnable>(10));
1753 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1754 >        l.add(latchAwaitingStringTask(latch));
1755 >        l.add(null);
1756 >        try {
1757 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1758 >            shouldThrow();
1759 >        } catch (NullPointerException success) {
1760 >        } finally {
1761 >            latch.countDown();
1762 >            joinPool(e);
1763 >        }
1764 >    }
1765 >
1766 >    /**
1767 >     * timed invokeAny(c) throws ExecutionException if no task completes
1768 >     */
1769 >    public void testTimedInvokeAny4() throws Exception {
1770 >        ExecutorService e =
1771 >            new ThreadPoolExecutor(2, 2,
1772 >                                   LONG_DELAY_MS, MILLISECONDS,
1773 >                                   new ArrayBlockingQueue<Runnable>(10));
1774 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1775 >        l.add(new NPETask());
1776 >        try {
1777 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1778 >            shouldThrow();
1779 >        } catch (ExecutionException success) {
1780 >            assertTrue(success.getCause() instanceof NullPointerException);
1781 >        } finally {
1782 >            joinPool(e);
1783 >        }
1784 >    }
1785 >
1786 >    /**
1787 >     * timed invokeAny(c) returns result of some task
1788 >     */
1789 >    public void testTimedInvokeAny5() throws Exception {
1790 >        ExecutorService e =
1791 >            new ThreadPoolExecutor(2, 2,
1792 >                                   LONG_DELAY_MS, MILLISECONDS,
1793 >                                   new ArrayBlockingQueue<Runnable>(10));
1794 >        try {
1795 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1796 >            l.add(new StringTask());
1797 >            l.add(new StringTask());
1798 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1799 >            assertSame(TEST_STRING, result);
1800 >        } finally {
1801 >            joinPool(e);
1802          }
496        catch (IllegalArgumentException i20){}
1803      }
1804  
1805 <    //---- Tests if workQueue is set to null
1806 <    public void testNullPointerException6() {
1807 <        try{
1808 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1809 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1805 >    /**
1806 >     * timed invokeAll(null) throws NPE
1807 >     */
1808 >    public void testTimedInvokeAll1() throws Exception {
1809 >        ExecutorService e =
1810 >            new ThreadPoolExecutor(2, 2,
1811 >                                   LONG_DELAY_MS, MILLISECONDS,
1812 >                                   new ArrayBlockingQueue<Runnable>(10));
1813 >        try {
1814 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1815 >            shouldThrow();
1816 >        } catch (NullPointerException success) {
1817 >        } finally {
1818 >            joinPool(e);
1819          }
505        catch (NullPointerException n6){}  
1820      }
1821  
1822 <    //---- Tests if handler is set to null
1823 <    public void testNullPointerException7() {
1824 <        try{
1825 <            RejectedExecutionHandler r = null;
1826 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1827 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1822 >    /**
1823 >     * timed invokeAll(,,null) throws NPE
1824 >     */
1825 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1826 >        ExecutorService e =
1827 >            new ThreadPoolExecutor(2, 2,
1828 >                                   LONG_DELAY_MS, MILLISECONDS,
1829 >                                   new ArrayBlockingQueue<Runnable>(10));
1830 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1831 >        l.add(new StringTask());
1832 >        try {
1833 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1834 >            shouldThrow();
1835 >        } catch (NullPointerException success) {
1836 >        } finally {
1837 >            joinPool(e);
1838          }
515        catch (NullPointerException n7){}  
1839      }
1840  
1841 <    //---- Tests if ThradFactory is set top null
1842 <    public void testNullPointerException8() {
1843 <        try{
1844 <            ThreadFactory f = null;
1845 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1846 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1841 >    /**
1842 >     * timed invokeAll(empty collection) returns empty collection
1843 >     */
1844 >    public void testTimedInvokeAll2() throws InterruptedException {
1845 >        ExecutorService e =
1846 >            new ThreadPoolExecutor(2, 2,
1847 >                                   LONG_DELAY_MS, MILLISECONDS,
1848 >                                   new ArrayBlockingQueue<Runnable>(10));
1849 >        try {
1850 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1851 >            assertTrue(r.isEmpty());
1852 >        } finally {
1853 >            joinPool(e);
1854          }
525        catch (NullPointerException n8){}  
1855      }
527    
1856  
1857      /**
1858 <     *  Test to verify execute will throw RejectedExcutionException
531 <     *  ThreadPoolExecutor will throw one when more runnables are
532 <     *  executed then will fit in the Queue.
1858 >     * timed invokeAll(c) throws NPE if c has null elements
1859       */
1860 <    public void testRejectedExecutedException(){
1861 <        ThreadPoolExecutor tpe = null;
1862 <        try{
1863 <            tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1864 <        } catch(Exception e){}
1865 <        tpe.shutdown();
1866 <        try{
1867 <            tpe.execute(new Runnable(){
1868 <                    public void run(){
1869 <                        try{
1870 <                            Thread.sleep(1000);
1871 <                        } catch(InterruptedException e){}
1872 <                    }
1873 <                });
1874 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
549 <        } catch(RejectedExecutionException success){}
550 <        
551 <        
1860 >    public void testTimedInvokeAll3() throws Exception {
1861 >        ExecutorService e =
1862 >            new ThreadPoolExecutor(2, 2,
1863 >                                   LONG_DELAY_MS, MILLISECONDS,
1864 >                                   new ArrayBlockingQueue<Runnable>(10));
1865 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1866 >        l.add(new StringTask());
1867 >        l.add(null);
1868 >        try {
1869 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1870 >            shouldThrow();
1871 >        } catch (NullPointerException success) {
1872 >        } finally {
1873 >            joinPool(e);
1874 >        }
1875      }
1876 <    
1876 >
1877      /**
1878 <     *  Test to verify setCorePoolSize will throw IllegalArgumentException
556 <     *  when given a negative
1878 >     * get of element of invokeAll(c) throws exception on failed task
1879       */
1880 <    public void testIllegalArgumentException1(){
1881 <        ThreadPoolExecutor tpe = null;
1882 <        try{
1883 <            tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1884 <        } catch(Exception e){}
1885 <        try{
1886 <            tpe.setCorePoolSize(-1);
1887 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1888 <        } catch(IllegalArgumentException success){
1880 >    public void testTimedInvokeAll4() throws Exception {
1881 >        ExecutorService e =
1882 >            new ThreadPoolExecutor(2, 2,
1883 >                                   LONG_DELAY_MS, MILLISECONDS,
1884 >                                   new ArrayBlockingQueue<Runnable>(10));
1885 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1886 >        l.add(new NPETask());
1887 >        List<Future<String>> futures =
1888 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1889 >        assertEquals(1, futures.size());
1890 >        try {
1891 >            futures.get(0).get();
1892 >            shouldThrow();
1893 >        } catch (ExecutionException success) {
1894 >            assertTrue(success.getCause() instanceof NullPointerException);
1895          } finally {
1896 <            tpe.shutdown();
1896 >            joinPool(e);
1897          }
1898 <    }  
1898 >    }
1899  
572    
1900      /**
1901 <     *  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1902 <     *  if given a value less the it's actual core pool size
1903 <     */  
1904 <    public void testIllegalArgumentException2(){
1905 <        ThreadPoolExecutor tpe = null;
1906 <        try{
1907 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1908 <        } catch(Exception e){}
1909 <        try{
1910 <            tpe.setMaximumPoolSize(1);
1911 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1912 <        } catch(IllegalArgumentException success){
1901 >     * timed invokeAll(c) returns results of all completed tasks
1902 >     */
1903 >    public void testTimedInvokeAll5() throws Exception {
1904 >        ExecutorService e =
1905 >            new ThreadPoolExecutor(2, 2,
1906 >                                   LONG_DELAY_MS, MILLISECONDS,
1907 >                                   new ArrayBlockingQueue<Runnable>(10));
1908 >        try {
1909 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1910 >            l.add(new StringTask());
1911 >            l.add(new StringTask());
1912 >            List<Future<String>> futures =
1913 >                e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS);
1914 >            assertEquals(2, futures.size());
1915 >            for (Future<String> future : futures)
1916 >                assertSame(TEST_STRING, future.get());
1917          } finally {
1918 <            tpe.shutdown();
1918 >            joinPool(e);
1919          }
1920      }
1921 <    
1921 >
1922      /**
1923 <     *  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593 <     *  if given a negative number
1923 >     * timed invokeAll(c) cancels tasks not completed by timeout
1924       */
1925 <    public void testIllegalArgumentException2SP(){
1926 <        ThreadPoolExecutor tpe = null;
1927 <        try{
1928 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1929 <        } catch(Exception e){}
1930 <        try{
1931 <            tpe.setMaximumPoolSize(-1);
1932 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1933 <        } catch(IllegalArgumentException success){
1925 >    public void testTimedInvokeAll6() throws Exception {
1926 >        ExecutorService e =
1927 >            new ThreadPoolExecutor(2, 2,
1928 >                                   LONG_DELAY_MS, MILLISECONDS,
1929 >                                   new ArrayBlockingQueue<Runnable>(10));
1930 >        try {
1931 >            for (long timeout = timeoutMillis();;) {
1932 >                List<Callable<String>> tasks = new ArrayList<>();
1933 >                tasks.add(new StringTask("0"));
1934 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1935 >                tasks.add(new StringTask("2"));
1936 >                long startTime = System.nanoTime();
1937 >                List<Future<String>> futures =
1938 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1939 >                assertEquals(tasks.size(), futures.size());
1940 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1941 >                for (Future future : futures)
1942 >                    assertTrue(future.isDone());
1943 >                assertTrue(futures.get(1).isCancelled());
1944 >                try {
1945 >                    assertEquals("0", futures.get(0).get());
1946 >                    assertEquals("2", futures.get(2).get());
1947 >                    break;
1948 >                } catch (CancellationException retryWithLongerTimeout) {
1949 >                    timeout *= 2;
1950 >                    if (timeout >= LONG_DELAY_MS / 2)
1951 >                        fail("expected exactly one task to be cancelled");
1952 >                }
1953 >            }
1954          } finally {
1955 <            tpe.shutdown();
1955 >            joinPool(e);
1956          }
1957      }
608    
1958  
1959      /**
1960 <     *  Test to verify setKeepAliveTime will throw IllegalArgumentException
1961 <     *  when given a negative value
1960 >     * Execution continues if there is at least one thread even if
1961 >     * thread factory fails to create more
1962       */
1963 <    public void testIllegalArgumentException3(){
1964 <        ThreadPoolExecutor tpe = null;
1965 <        try{
1966 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1967 <        } catch(Exception e){}
1968 <        
1969 <        try{
1970 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
1971 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
1972 <        } catch(IllegalArgumentException success){
1963 >    public void testFailingThreadFactory() throws InterruptedException {
1964 >        final ExecutorService e =
1965 >            new ThreadPoolExecutor(100, 100,
1966 >                                   LONG_DELAY_MS, MILLISECONDS,
1967 >                                   new LinkedBlockingQueue<Runnable>(),
1968 >                                   new FailingThreadFactory());
1969 >        try {
1970 >            final int TASKS = 100;
1971 >            final CountDownLatch done = new CountDownLatch(TASKS);
1972 >            for (int k = 0; k < TASKS; ++k)
1973 >                e.execute(new CheckedRunnable() {
1974 >                    public void realRun() {
1975 >                        done.countDown();
1976 >                    }});
1977 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1978          } finally {
1979 <            tpe.shutdown();
1979 >            joinPool(e);
1980          }
1981      }
1982 <  
1983 <    
1984 <  
1982 >
1983 >    /**
1984 >     * allowsCoreThreadTimeOut is by default false.
1985 >     */
1986 >    public void testAllowsCoreThreadTimeOut() {
1987 >        final ThreadPoolExecutor p =
1988 >            new ThreadPoolExecutor(2, 2,
1989 >                                   1000, MILLISECONDS,
1990 >                                   new ArrayBlockingQueue<Runnable>(10));
1991 >        assertFalse(p.allowsCoreThreadTimeOut());
1992 >        joinPool(p);
1993 >    }
1994 >
1995 >    /**
1996 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1997 >     */
1998 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1999 >        long keepAliveTime = timeoutMillis();
2000 >        final ThreadPoolExecutor p =
2001 >            new ThreadPoolExecutor(2, 10,
2002 >                                   keepAliveTime, MILLISECONDS,
2003 >                                   new ArrayBlockingQueue<Runnable>(10));
2004 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2005 >        try {
2006 >            p.allowCoreThreadTimeOut(true);
2007 >            p.execute(new CheckedRunnable() {
2008 >                public void realRun() {
2009 >                    threadStarted.countDown();
2010 >                    assertEquals(1, p.getPoolSize());
2011 >                }});
2012 >            await(threadStarted);
2013 >            delay(keepAliveTime);
2014 >            long startTime = System.nanoTime();
2015 >            while (p.getPoolSize() > 0
2016 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
2017 >                Thread.yield();
2018 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
2019 >            assertEquals(0, p.getPoolSize());
2020 >        } finally {
2021 >            joinPool(p);
2022 >        }
2023 >    }
2024 >
2025 >    /**
2026 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
2027 >     */
2028 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
2029 >        long keepAliveTime = timeoutMillis();
2030 >        final ThreadPoolExecutor p =
2031 >            new ThreadPoolExecutor(2, 10,
2032 >                                   keepAliveTime, MILLISECONDS,
2033 >                                   new ArrayBlockingQueue<Runnable>(10));
2034 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2035 >        try {
2036 >            p.allowCoreThreadTimeOut(false);
2037 >            p.execute(new CheckedRunnable() {
2038 >                public void realRun() throws InterruptedException {
2039 >                    threadStarted.countDown();
2040 >                    assertTrue(p.getPoolSize() >= 1);
2041 >                }});
2042 >            delay(2 * keepAliveTime);
2043 >            assertTrue(p.getPoolSize() >= 1);
2044 >        } finally {
2045 >            joinPool(p);
2046 >        }
2047 >    }
2048 >
2049 >    /**
2050 >     * execute allows the same task to be submitted multiple times, even
2051 >     * if rejected
2052 >     */
2053 >    public void testRejectedRecycledTask() throws InterruptedException {
2054 >        final int nTasks = 1000;
2055 >        final CountDownLatch done = new CountDownLatch(nTasks);
2056 >        final Runnable recycledTask = new Runnable() {
2057 >            public void run() {
2058 >                done.countDown();
2059 >            }};
2060 >        final ThreadPoolExecutor p =
2061 >            new ThreadPoolExecutor(1, 30,
2062 >                                   60, SECONDS,
2063 >                                   new ArrayBlockingQueue(30));
2064 >        try {
2065 >            for (int i = 0; i < nTasks; ++i) {
2066 >                for (;;) {
2067 >                    try {
2068 >                        p.execute(recycledTask);
2069 >                        break;
2070 >                    }
2071 >                    catch (RejectedExecutionException ignore) {}
2072 >                }
2073 >            }
2074 >            // enough time to run all tasks
2075 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2076 >        } finally {
2077 >            joinPool(p);
2078 >        }
2079 >    }
2080 >
2081 >    /**
2082 >     * get(cancelled task) throws CancellationException
2083 >     */
2084 >    public void testGet_cancelled() throws Exception {
2085 >        final ExecutorService e =
2086 >            new ThreadPoolExecutor(1, 1,
2087 >                                   LONG_DELAY_MS, MILLISECONDS,
2088 >                                   new LinkedBlockingQueue<Runnable>());
2089 >        try {
2090 >            final CountDownLatch blockerStarted = new CountDownLatch(1);
2091 >            final CountDownLatch done = new CountDownLatch(1);
2092 >            final List<Future<?>> futures = new ArrayList<>();
2093 >            for (int i = 0; i < 2; i++) {
2094 >                Runnable r = new CheckedRunnable() { public void realRun()
2095 >                                                         throws Throwable {
2096 >                    blockerStarted.countDown();
2097 >                    assertTrue(done.await(2 * LONG_DELAY_MS, MILLISECONDS));
2098 >                }};
2099 >                futures.add(e.submit(r));
2100 >            }
2101 >            assertTrue(blockerStarted.await(LONG_DELAY_MS, MILLISECONDS));
2102 >            for (Future<?> future : futures) future.cancel(false);
2103 >            for (Future<?> future : futures) {
2104 >                try {
2105 >                    future.get();
2106 >                    shouldThrow();
2107 >                } catch (CancellationException success) {}
2108 >                try {
2109 >                    future.get(LONG_DELAY_MS, MILLISECONDS);
2110 >                    shouldThrow();
2111 >                } catch (CancellationException success) {}
2112 >                assertTrue(future.isCancelled());
2113 >                assertTrue(future.isDone());
2114 >            }
2115 >            done.countDown();
2116 >        } finally {
2117 >            joinPool(e);
2118 >        }
2119 >    }
2120 >
2121   }

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines