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Comparing jsr166/src/test/tck/ThreadPoolExecutorTest.java (file contents):
Revision 1.1 by dl, Sun Aug 31 19:24:56 2003 UTC vs.
Revision 1.60 by jsr166, Sun Sep 27 18:50:50 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 +
33 + import junit.framework.Test;
34 + import junit.framework.TestSuite;
35  
36 < public class ThreadPoolExecutorTest extends TestCase{
36 > public class ThreadPoolExecutorTest extends JSR166TestCase {
37      public static void main(String[] args) {
38 <        junit.textui.TestRunner.run (suite());  
38 >        main(suite(), args);
39      }
16
17
40      public static Test suite() {
41          return new TestSuite(ThreadPoolExecutorTest.class);
42      }
21    
22    private static long SHORT_DELAY_MS = 100;
23    private static long MEDIUM_DELAY_MS = 1000;
24    private static long LONG_DELAY_MS = 10000;
25
26 //---- testThread class to implement ThreadFactory for use in constructors
27    static class testThread implements ThreadFactory{
28        public Thread newThread(Runnable r){
29            return new Thread(r);
30        }  
31    }
43  
44 < //---- testReject class to implement RejectedExecutionHandler for use in the constructors
45 <    static class testReject implements RejectedExecutionHandler{
46 <        public void rejectedExecution(Runnable r, ThreadPoolExecutor executor){}
44 >    static class ExtendedTPE extends ThreadPoolExecutor {
45 >        final CountDownLatch beforeCalled = new CountDownLatch(1);
46 >        final CountDownLatch afterCalled = new CountDownLatch(1);
47 >        final CountDownLatch terminatedCalled = new CountDownLatch(1);
48 >
49 >        public ExtendedTPE() {
50 >            super(1, 1, LONG_DELAY_MS, MILLISECONDS, new SynchronousQueue<Runnable>());
51 >        }
52 >        protected void beforeExecute(Thread t, Runnable r) {
53 >            beforeCalled.countDown();
54 >        }
55 >        protected void afterExecute(Runnable r, Throwable t) {
56 >            afterCalled.countDown();
57 >        }
58 >        protected void terminated() {
59 >            terminatedCalled.countDown();
60 >        }
61 >
62 >        public boolean beforeCalled() {
63 >            return beforeCalled.getCount() == 0;
64 >        }
65 >        public boolean afterCalled() {
66 >            return afterCalled.getCount() == 0;
67 >        }
68 >        public boolean terminatedCalled() {
69 >            return terminatedCalled.getCount() == 0;
70 >        }
71      }
72  
73 <    public Runnable newRunnable(){
74 <        return new Runnable(){
75 <                public void run(){
76 <                    try{Thread.sleep(MEDIUM_DELAY_MS);
77 <                    } catch(Exception e){
78 <                    }
44 <                }
45 <            };
73 >    static class FailingThreadFactory implements ThreadFactory {
74 >        int calls = 0;
75 >        public Thread newThread(Runnable r) {
76 >            if (++calls > 1) return null;
77 >            return new Thread(r);
78 >        }
79      }
80  
48
81      /**
82 <     *  Test to verify that execute successfully executes a runnable
82 >     * execute successfully executes a runnable
83       */
84 <    public void testExecute(){
85 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
84 >    public void testExecute() throws InterruptedException {
85 >        final ThreadPoolExecutor p =
86 >            new ThreadPoolExecutor(1, 1,
87 >                                   LONG_DELAY_MS, MILLISECONDS,
88 >                                   new ArrayBlockingQueue<Runnable>(10));
89 >        final CountDownLatch done = new CountDownLatch(1);
90 >        final Runnable task = new CheckedRunnable() {
91 >            public void realRun() {
92 >                done.countDown();
93 >            }};
94          try {
95 <            one.execute(new Runnable(){
96 <                    public void run(){
57 <                        try{
58 <                            Thread.sleep(SHORT_DELAY_MS);
59 <                        }catch(InterruptedException e){
60 <                            fail("unexpected exception");
61 <                        }
62 <                    }
63 <                });
64 <            Thread.sleep(SHORT_DELAY_MS * 2);
65 <        }catch(InterruptedException e){
66 <            fail("unexpected exception");
95 >            p.execute(task);
96 >            assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS));
97          } finally {
98 <            one.shutdown();
98 >            joinPool(p);
99          }
100      }
101  
102      /**
103 <     *  Test to verify getActiveCount gives correct values
103 >     * getActiveCount increases but doesn't overestimate, when a
104 >     * thread becomes active
105       */
106 <    public void testGetActiveCount(){
107 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
106 >    public void testGetActiveCount() throws InterruptedException {
107 >        final ThreadPoolExecutor p =
108 >            new ThreadPoolExecutor(2, 2,
109 >                                   LONG_DELAY_MS, MILLISECONDS,
110 >                                   new ArrayBlockingQueue<Runnable>(10));
111 >        final CountDownLatch threadStarted = new CountDownLatch(1);
112 >        final CountDownLatch done = new CountDownLatch(1);
113          try {
114 <            assertEquals(0, two.getActiveCount());
115 <            two.execute(newRunnable());
116 <            try{Thread.sleep(10);}catch(Exception e){}
117 <            assertEquals(1, two.getActiveCount());
114 >            assertEquals(0, p.getActiveCount());
115 >            p.execute(new CheckedRunnable() {
116 >                public void realRun() throws InterruptedException {
117 >                    threadStarted.countDown();
118 >                    assertEquals(1, p.getActiveCount());
119 >                    done.await();
120 >                }});
121 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
122 >            assertEquals(1, p.getActiveCount());
123          } finally {
124 <            two.shutdown();
124 >            done.countDown();
125 >            joinPool(p);
126          }
127      }
128 <    
128 >
129 >    /**
130 >     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
131 >     */
132 >    public void testPrestartCoreThread() {
133 >        final ThreadPoolExecutor p =
134 >            new ThreadPoolExecutor(2, 2,
135 >                                   LONG_DELAY_MS, MILLISECONDS,
136 >                                   new ArrayBlockingQueue<Runnable>(10));
137 >        assertEquals(0, p.getPoolSize());
138 >        assertTrue(p.prestartCoreThread());
139 >        assertEquals(1, p.getPoolSize());
140 >        assertTrue(p.prestartCoreThread());
141 >        assertEquals(2, p.getPoolSize());
142 >        assertFalse(p.prestartCoreThread());
143 >        assertEquals(2, p.getPoolSize());
144 >        joinPool(p);
145 >    }
146 >
147 >    /**
148 >     * prestartAllCoreThreads starts all corePoolSize threads
149 >     */
150 >    public void testPrestartAllCoreThreads() {
151 >        final ThreadPoolExecutor p =
152 >            new ThreadPoolExecutor(2, 2,
153 >                                   LONG_DELAY_MS, MILLISECONDS,
154 >                                   new ArrayBlockingQueue<Runnable>(10));
155 >        assertEquals(0, p.getPoolSize());
156 >        p.prestartAllCoreThreads();
157 >        assertEquals(2, p.getPoolSize());
158 >        p.prestartAllCoreThreads();
159 >        assertEquals(2, p.getPoolSize());
160 >        joinPool(p);
161 >    }
162 >
163      /**
164 <     *  Test to verify getCompleteTaskCount gives correct values
164 >     * getCompletedTaskCount increases, but doesn't overestimate,
165 >     * when tasks complete
166       */
167 <    public void testGetCompletedTaskCount(){
168 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
167 >    public void testGetCompletedTaskCount() throws InterruptedException {
168 >        final ThreadPoolExecutor p =
169 >            new ThreadPoolExecutor(2, 2,
170 >                                   LONG_DELAY_MS, MILLISECONDS,
171 >                                   new ArrayBlockingQueue<Runnable>(10));
172 >        final CountDownLatch threadStarted = new CountDownLatch(1);
173 >        final CountDownLatch threadProceed = new CountDownLatch(1);
174 >        final CountDownLatch threadDone = new CountDownLatch(1);
175          try {
176 <            assertEquals(0, two.getCompletedTaskCount());
177 <            two.execute(newRunnable());
178 <            try{Thread.sleep(2000);}catch(Exception e){}
179 <            assertEquals(1, two.getCompletedTaskCount());
176 >            assertEquals(0, p.getCompletedTaskCount());
177 >            p.execute(new CheckedRunnable() {
178 >                public void realRun() throws InterruptedException {
179 >                    threadStarted.countDown();
180 >                    assertEquals(0, p.getCompletedTaskCount());
181 >                    threadProceed.await();
182 >                    threadDone.countDown();
183 >                }});
184 >            await(threadStarted);
185 >            assertEquals(0, p.getCompletedTaskCount());
186 >            threadProceed.countDown();
187 >            threadDone.await();
188 >            long startTime = System.nanoTime();
189 >            while (p.getCompletedTaskCount() != 1) {
190 >                if (millisElapsedSince(startTime) > LONG_DELAY_MS)
191 >                    fail("timed out");
192 >                Thread.yield();
193 >            }
194          } finally {
195 <            two.shutdown();
195 >            joinPool(p);
196          }
197      }
198 <    
198 >
199 >    /**
200 >     * getCorePoolSize returns size given in constructor if not otherwise set
201 >     */
202 >    public void testGetCorePoolSize() {
203 >        final ThreadPoolExecutor p =
204 >            new ThreadPoolExecutor(1, 1,
205 >                                   LONG_DELAY_MS, MILLISECONDS,
206 >                                   new ArrayBlockingQueue<Runnable>(10));
207 >        assertEquals(1, p.getCorePoolSize());
208 >        joinPool(p);
209 >    }
210 >
211 >    /**
212 >     * getKeepAliveTime returns value given in constructor if not otherwise set
213 >     */
214 >    public void testGetKeepAliveTime() {
215 >        final ThreadPoolExecutor p =
216 >            new ThreadPoolExecutor(2, 2,
217 >                                   1000, MILLISECONDS,
218 >                                   new ArrayBlockingQueue<Runnable>(10));
219 >        assertEquals(1, p.getKeepAliveTime(SECONDS));
220 >        joinPool(p);
221 >    }
222 >
223 >    /**
224 >     * getThreadFactory returns factory in constructor if not set
225 >     */
226 >    public void testGetThreadFactory() {
227 >        ThreadFactory tf = new SimpleThreadFactory();
228 >        final ThreadPoolExecutor p =
229 >            new ThreadPoolExecutor(1, 2,
230 >                                   LONG_DELAY_MS, MILLISECONDS,
231 >                                   new ArrayBlockingQueue<Runnable>(10),
232 >                                   tf,
233 >                                   new NoOpREHandler());
234 >        assertSame(tf, p.getThreadFactory());
235 >        joinPool(p);
236 >    }
237 >
238 >    /**
239 >     * setThreadFactory sets the thread factory returned by getThreadFactory
240 >     */
241 >    public void testSetThreadFactory() {
242 >        final ThreadPoolExecutor p =
243 >            new ThreadPoolExecutor(1, 2,
244 >                                   LONG_DELAY_MS, MILLISECONDS,
245 >                                   new ArrayBlockingQueue<Runnable>(10));
246 >        ThreadFactory tf = new SimpleThreadFactory();
247 >        p.setThreadFactory(tf);
248 >        assertSame(tf, p.getThreadFactory());
249 >        joinPool(p);
250 >    }
251 >
252      /**
253 <     *  Test to verify getCorePoolSize gives correct values
253 >     * setThreadFactory(null) throws NPE
254       */
255 <    public void testGetCorePoolSize(){
256 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
255 >    public void testSetThreadFactoryNull() {
256 >        final ThreadPoolExecutor p =
257 >            new ThreadPoolExecutor(1, 2,
258 >                                   LONG_DELAY_MS, MILLISECONDS,
259 >                                   new ArrayBlockingQueue<Runnable>(10));
260          try {
261 <            assertEquals(1, one.getCorePoolSize());
261 >            p.setThreadFactory(null);
262 >            shouldThrow();
263 >        } catch (NullPointerException success) {
264          } finally {
265 <            one.shutdown();
265 >            joinPool(p);
266          }
267      }
268 <    
268 >
269 >    /**
270 >     * getRejectedExecutionHandler returns handler in constructor if not set
271 >     */
272 >    public void testGetRejectedExecutionHandler() {
273 >        final RejectedExecutionHandler h = new NoOpREHandler();
274 >        final ThreadPoolExecutor p =
275 >            new ThreadPoolExecutor(1, 2,
276 >                                   LONG_DELAY_MS, MILLISECONDS,
277 >                                   new ArrayBlockingQueue<Runnable>(10),
278 >                                   h);
279 >        assertSame(h, p.getRejectedExecutionHandler());
280 >        joinPool(p);
281 >    }
282 >
283 >    /**
284 >     * setRejectedExecutionHandler sets the handler returned by
285 >     * getRejectedExecutionHandler
286 >     */
287 >    public void testSetRejectedExecutionHandler() {
288 >        final ThreadPoolExecutor p =
289 >            new ThreadPoolExecutor(1, 2,
290 >                                   LONG_DELAY_MS, MILLISECONDS,
291 >                                   new ArrayBlockingQueue<Runnable>(10));
292 >        RejectedExecutionHandler h = new NoOpREHandler();
293 >        p.setRejectedExecutionHandler(h);
294 >        assertSame(h, p.getRejectedExecutionHandler());
295 >        joinPool(p);
296 >    }
297 >
298      /**
299 <     *  Test to verify getKeepAliveTime gives correct values
299 >     * setRejectedExecutionHandler(null) throws NPE
300       */
301 <    public void testGetKeepAliveTime(){
302 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
301 >    public void testSetRejectedExecutionHandlerNull() {
302 >        final ThreadPoolExecutor p =
303 >            new ThreadPoolExecutor(1, 2,
304 >                                   LONG_DELAY_MS, MILLISECONDS,
305 >                                   new ArrayBlockingQueue<Runnable>(10));
306          try {
307 <            assertEquals(1, two.getKeepAliveTime(TimeUnit.SECONDS));
307 >            p.setRejectedExecutionHandler(null);
308 >            shouldThrow();
309 >        } catch (NullPointerException success) {
310          } finally {
311 <            two.shutdown();
311 >            joinPool(p);
312          }
313      }
314 <    
314 >
315      /**
316 <     *  Test to verify getLargestPoolSize gives correct values
316 >     * getLargestPoolSize increases, but doesn't overestimate, when
317 >     * multiple threads active
318       */
319 <    public void testGetLargestPoolSize(){
320 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
319 >    public void testGetLargestPoolSize() throws InterruptedException {
320 >        final int THREADS = 3;
321 >        final ThreadPoolExecutor p =
322 >            new ThreadPoolExecutor(THREADS, THREADS,
323 >                                   LONG_DELAY_MS, MILLISECONDS,
324 >                                   new ArrayBlockingQueue<Runnable>(10));
325 >        final CountDownLatch threadsStarted = new CountDownLatch(THREADS);
326 >        final CountDownLatch done = new CountDownLatch(1);
327          try {
328 <            assertEquals(0, two.getLargestPoolSize());
329 <            two.execute(newRunnable());
330 <            two.execute(newRunnable());
331 <            try{Thread.sleep(SHORT_DELAY_MS);} catch(Exception e){}
332 <            assertEquals(2, two.getLargestPoolSize());
328 >            assertEquals(0, p.getLargestPoolSize());
329 >            for (int i = 0; i < THREADS; i++)
330 >                p.execute(new CheckedRunnable() {
331 >                    public void realRun() throws InterruptedException {
332 >                        threadsStarted.countDown();
333 >                        done.await();
334 >                        assertEquals(THREADS, p.getLargestPoolSize());
335 >                    }});
336 >            assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS));
337 >            assertEquals(THREADS, p.getLargestPoolSize());
338          } finally {
339 <            two.shutdown();
339 >            done.countDown();
340 >            joinPool(p);
341 >            assertEquals(THREADS, p.getLargestPoolSize());
342          }
343      }
344 <    
344 >
345 >    /**
346 >     * getMaximumPoolSize returns value given in constructor if not
347 >     * otherwise set
348 >     */
349 >    public void testGetMaximumPoolSize() {
350 >        final ThreadPoolExecutor p =
351 >            new ThreadPoolExecutor(2, 3,
352 >                                   LONG_DELAY_MS, MILLISECONDS,
353 >                                   new ArrayBlockingQueue<Runnable>(10));
354 >        assertEquals(3, p.getMaximumPoolSize());
355 >        joinPool(p);
356 >    }
357 >
358      /**
359 <     *  Test to verify getMaximumPoolSize gives correct values
359 >     * getPoolSize increases, but doesn't overestimate, when threads
360 >     * become active
361       */
362 <    public void testGetMaximumPoolSize(){
363 <        ThreadPoolExecutor two = new ThreadPoolExecutor(2, 2, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
362 >    public void testGetPoolSize() throws InterruptedException {
363 >        final ThreadPoolExecutor p =
364 >            new ThreadPoolExecutor(1, 1,
365 >                                   LONG_DELAY_MS, MILLISECONDS,
366 >                                   new ArrayBlockingQueue<Runnable>(10));
367 >        final CountDownLatch threadStarted = new CountDownLatch(1);
368 >        final CountDownLatch done = new CountDownLatch(1);
369          try {
370 <            assertEquals(2, two.getMaximumPoolSize());
370 >            assertEquals(0, p.getPoolSize());
371 >            p.execute(new CheckedRunnable() {
372 >                public void realRun() throws InterruptedException {
373 >                    threadStarted.countDown();
374 >                    assertEquals(1, p.getPoolSize());
375 >                    done.await();
376 >                }});
377 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
378 >            assertEquals(1, p.getPoolSize());
379          } finally {
380 <            two.shutdown();
380 >            done.countDown();
381 >            joinPool(p);
382          }
383      }
384 <    
384 >
385      /**
386 <     *  Test to verify getPoolSize gives correct values
386 >     * getTaskCount increases, but doesn't overestimate, when tasks submitted
387       */
388 <    public void testGetPoolSize(){
389 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
390 <        try {
391 <            assertEquals(0, one.getPoolSize());
392 <            one.execute(newRunnable());
393 <            assertEquals(1, one.getPoolSize());
388 >    public void testGetTaskCount() throws InterruptedException {
389 >        final ThreadPoolExecutor p =
390 >            new ThreadPoolExecutor(1, 1,
391 >                                   LONG_DELAY_MS, MILLISECONDS,
392 >                                   new ArrayBlockingQueue<Runnable>(10));
393 >        final CountDownLatch threadStarted = new CountDownLatch(1);
394 >        final CountDownLatch done = new CountDownLatch(1);
395 >        try {
396 >            assertEquals(0, p.getTaskCount());
397 >            p.execute(new CheckedRunnable() {
398 >                public void realRun() throws InterruptedException {
399 >                    threadStarted.countDown();
400 >                    assertEquals(1, p.getTaskCount());
401 >                    done.await();
402 >                }});
403 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
404 >            assertEquals(1, p.getTaskCount());
405          } finally {
406 <            one.shutdown();
406 >            done.countDown();
407 >            joinPool(p);
408          }
409      }
410 <    
410 >
411 >    /**
412 >     * isShutdown is false before shutdown, true after
413 >     */
414 >    public void testIsShutdown() {
415 >        final ThreadPoolExecutor p =
416 >            new ThreadPoolExecutor(1, 1,
417 >                                   LONG_DELAY_MS, MILLISECONDS,
418 >                                   new ArrayBlockingQueue<Runnable>(10));
419 >        assertFalse(p.isShutdown());
420 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
421 >        assertTrue(p.isShutdown());
422 >        joinPool(p);
423 >    }
424 >
425 >    /**
426 >     * awaitTermination on a non-shutdown pool times out
427 >     */
428 >    public void testAwaitTermination_timesOut() throws InterruptedException {
429 >        final ThreadPoolExecutor p =
430 >            new ThreadPoolExecutor(1, 1,
431 >                                   LONG_DELAY_MS, MILLISECONDS,
432 >                                   new ArrayBlockingQueue<Runnable>(10));
433 >        assertFalse(p.isTerminated());
434 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, NANOSECONDS));
435 >        assertFalse(p.awaitTermination(Long.MIN_VALUE, MILLISECONDS));
436 >        assertFalse(p.awaitTermination(-1L, NANOSECONDS));
437 >        assertFalse(p.awaitTermination(-1L, MILLISECONDS));
438 >        assertFalse(p.awaitTermination(0L, NANOSECONDS));
439 >        assertFalse(p.awaitTermination(0L, MILLISECONDS));
440 >        long timeoutNanos = 999999L;
441 >        long startTime = System.nanoTime();
442 >        assertFalse(p.awaitTermination(timeoutNanos, NANOSECONDS));
443 >        assertTrue(System.nanoTime() - startTime >= timeoutNanos);
444 >        assertFalse(p.isTerminated());
445 >        startTime = System.nanoTime();
446 >        long timeoutMillis = timeoutMillis();
447 >        assertFalse(p.awaitTermination(timeoutMillis, MILLISECONDS));
448 >        assertTrue(millisElapsedSince(startTime) >= timeoutMillis);
449 >        assertFalse(p.isTerminated());
450 >        p.shutdown();
451 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
452 >        assertTrue(p.isTerminated());
453 >    }
454 >
455      /**
456 <     *  Test to verify getTaskCount gives correct values
456 >     * isTerminated is false before termination, true after
457       */
458 <    public void testGetTaskCount(){
459 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
458 >    public void testIsTerminated() throws InterruptedException {
459 >        final ThreadPoolExecutor p =
460 >            new ThreadPoolExecutor(1, 1,
461 >                                   LONG_DELAY_MS, MILLISECONDS,
462 >                                   new ArrayBlockingQueue<Runnable>(10));
463 >        final CountDownLatch threadStarted = new CountDownLatch(1);
464 >        final CountDownLatch done = new CountDownLatch(1);
465 >        assertFalse(p.isTerminated());
466          try {
467 <            assertEquals(0, one.getTaskCount());
468 <            for(int i = 0; i < 5; i++)
469 <                one.execute(newRunnable());
470 <            try{Thread.sleep(SHORT_DELAY_MS);}catch(Exception e){}
471 <            assertEquals(5, one.getTaskCount());
467 >            p.execute(new CheckedRunnable() {
468 >                public void realRun() throws InterruptedException {
469 >                    assertFalse(p.isTerminated());
470 >                    threadStarted.countDown();
471 >                    done.await();
472 >                }});
473 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
474 >            assertFalse(p.isTerminating());
475 >            done.countDown();
476          } finally {
477 <            one.shutdown();
477 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
478          }
479 +        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
480 +        assertTrue(p.isTerminated());
481      }
482 <    
482 >
483      /**
484 <     *  Test to verify isShutDown gives correct values
484 >     * isTerminating is not true when running or when terminated
485       */
486 <    public void testIsShutdown(){
487 <        
488 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
486 >    public void testIsTerminating() throws InterruptedException {
487 >        final ThreadPoolExecutor p =
488 >            new ThreadPoolExecutor(1, 1,
489 >                                   LONG_DELAY_MS, MILLISECONDS,
490 >                                   new ArrayBlockingQueue<Runnable>(10));
491 >        final CountDownLatch threadStarted = new CountDownLatch(1);
492 >        final CountDownLatch done = new CountDownLatch(1);
493          try {
494 <            assertFalse(one.isShutdown());
494 >            assertFalse(p.isTerminating());
495 >            p.execute(new CheckedRunnable() {
496 >                public void realRun() throws InterruptedException {
497 >                    assertFalse(p.isTerminating());
498 >                    threadStarted.countDown();
499 >                    done.await();
500 >                }});
501 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
502 >            assertFalse(p.isTerminating());
503 >            done.countDown();
504 >        } finally {
505 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
506          }
507 <        finally {
508 <            one.shutdown();
507 >        assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS));
508 >        assertTrue(p.isTerminated());
509 >        assertFalse(p.isTerminating());
510 >    }
511 >
512 >    /**
513 >     * getQueue returns the work queue, which contains queued tasks
514 >     */
515 >    public void testGetQueue() throws InterruptedException {
516 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
517 >        final ThreadPoolExecutor p =
518 >            new ThreadPoolExecutor(1, 1,
519 >                                   LONG_DELAY_MS, MILLISECONDS,
520 >                                   q);
521 >        final CountDownLatch threadStarted = new CountDownLatch(1);
522 >        final CountDownLatch done = new CountDownLatch(1);
523 >        try {
524 >            FutureTask[] tasks = new FutureTask[5];
525 >            for (int i = 0; i < tasks.length; i++) {
526 >                Callable task = new CheckedCallable<Boolean>() {
527 >                    public Boolean realCall() throws InterruptedException {
528 >                        threadStarted.countDown();
529 >                        assertSame(q, p.getQueue());
530 >                        done.await();
531 >                        return Boolean.TRUE;
532 >                    }};
533 >                tasks[i] = new FutureTask(task);
534 >                p.execute(tasks[i]);
535 >            }
536 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
537 >            assertSame(q, p.getQueue());
538 >            assertFalse(q.contains(tasks[0]));
539 >            assertTrue(q.contains(tasks[tasks.length - 1]));
540 >            assertEquals(tasks.length - 1, q.size());
541 >        } finally {
542 >            done.countDown();
543 >            joinPool(p);
544          }
196        assertTrue(one.isShutdown());
545      }
546  
199        
547      /**
548 <     *  Test to verify isTerminated gives correct values
202 <     *  Makes sure termination does not take an innapropriate
203 <     *  amount of time
548 >     * remove(task) removes queued task, and fails to remove active task
549       */
550 <    public void testIsTerminated(){
551 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
550 >    public void testRemove() throws InterruptedException {
551 >        BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
552 >        final ThreadPoolExecutor p =
553 >            new ThreadPoolExecutor(1, 1,
554 >                                   LONG_DELAY_MS, MILLISECONDS,
555 >                                   q);
556 >        Runnable[] tasks = new Runnable[5];
557 >        final CountDownLatch threadStarted = new CountDownLatch(1);
558 >        final CountDownLatch done = new CountDownLatch(1);
559          try {
560 <            one.execute(newRunnable());
560 >            for (int i = 0; i < tasks.length; i++) {
561 >                tasks[i] = new CheckedRunnable() {
562 >                    public void realRun() throws InterruptedException {
563 >                        threadStarted.countDown();
564 >                        done.await();
565 >                    }};
566 >                p.execute(tasks[i]);
567 >            }
568 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
569 >            assertFalse(p.remove(tasks[0]));
570 >            assertTrue(q.contains(tasks[4]));
571 >            assertTrue(q.contains(tasks[3]));
572 >            assertTrue(p.remove(tasks[4]));
573 >            assertFalse(p.remove(tasks[4]));
574 >            assertFalse(q.contains(tasks[4]));
575 >            assertTrue(q.contains(tasks[3]));
576 >            assertTrue(p.remove(tasks[3]));
577 >            assertFalse(q.contains(tasks[3]));
578          } finally {
579 <            one.shutdown();
579 >            done.countDown();
580 >            joinPool(p);
581          }
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");
582      }
583  
584      /**
585 <     *  Test to verify that purge correctly removes cancelled tasks
223 <     *  from the queue
585 >     * purge removes cancelled tasks from the queue
586       */
587 <    public void testPurge(){
588 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
587 >    public void testPurge() throws InterruptedException {
588 >        final CountDownLatch threadStarted = new CountDownLatch(1);
589 >        final CountDownLatch done = new CountDownLatch(1);
590 >        final BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
591 >        final ThreadPoolExecutor p =
592 >            new ThreadPoolExecutor(1, 1,
593 >                                   LONG_DELAY_MS, MILLISECONDS,
594 >                                   q);
595 >        FutureTask[] tasks = new FutureTask[5];
596          try {
597 <            CancellableTask[] tasks = new CancellableTask[5];
598 <            for(int i = 0; i < 5; i++){
599 <                tasks[i] = new CancellableTask(newRunnable());
600 <                one.execute(tasks[i]);
597 >            for (int i = 0; i < tasks.length; i++) {
598 >                Callable task = new CheckedCallable<Boolean>() {
599 >                    public Boolean realCall() throws InterruptedException {
600 >                        threadStarted.countDown();
601 >                        done.await();
602 >                        return Boolean.TRUE;
603 >                    }};
604 >                tasks[i] = new FutureTask(task);
605 >                p.execute(tasks[i]);
606              }
607 +            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
608 +            assertEquals(tasks.length, p.getTaskCount());
609 +            assertEquals(tasks.length - 1, q.size());
610 +            assertEquals(1L, p.getActiveCount());
611 +            assertEquals(0L, p.getCompletedTaskCount());
612              tasks[4].cancel(true);
613 <            tasks[3].cancel(true);
614 <            one.purge();
615 <            long count = one.getTaskCount();
616 <            assertTrue(count >= 2 && count < 5);
613 >            tasks[3].cancel(false);
614 >            p.purge();
615 >            assertEquals(tasks.length - 3, q.size());
616 >            assertEquals(tasks.length - 2, p.getTaskCount());
617 >            p.purge();         // Nothing to do
618 >            assertEquals(tasks.length - 3, q.size());
619 >            assertEquals(tasks.length - 2, p.getTaskCount());
620          } finally {
621 <            one.shutdown();
621 >            done.countDown();
622 >            joinPool(p);
623          }
624      }
625  
626      /**
627 <     *  Test to verify shutDownNow returns a list
628 <     *  containing the correct number of elements
627 >     * shutdownNow returns a list containing tasks that were not run,
628 >     * and those tasks are drained from the queue
629       */
630 <    public void testShutDownNow(){
631 <        ThreadPoolExecutor one = new ThreadPoolExecutor(1, 1, 1, TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
630 >    public void testShutdownNow() {
631 >        final ThreadPoolExecutor p =
632 >            new ThreadPoolExecutor(1, 1,
633 >                                   LONG_DELAY_MS, MILLISECONDS,
634 >                                   new ArrayBlockingQueue<Runnable>(10));
635          List l;
636          try {
637 <            for(int i = 0; i < 5; i++)
638 <                one.execute(newRunnable());
637 >            for (int i = 0; i < 5; i++)
638 >                p.execute(new MediumPossiblyInterruptedRunnable());
639          }
640          finally {
641 <            l = one.shutdownNow();
642 <        }
643 <        assertTrue(one.isShutdown());
644 <        assertTrue(l.size() <= 4);
641 >            try {
642 >                l = p.shutdownNow();
643 >            } catch (SecurityException ok) { return; }
644 >        }
645 >        assertTrue(p.isShutdown());
646 >        assertTrue(p.getQueue().isEmpty());
647 >        assertTrue(l.size() <= 4);
648      }
649  
261    
262
263    
264    
265      
650      // Exception Tests
267    
651  
652 <    //---- Tests if corePoolSize argument is less than zero
652 >    /**
653 >     * Constructor throws if corePoolSize argument is less than zero
654 >     */
655      public void testConstructor1() {
656 <        try{
657 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
658 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
659 <        }
660 <        catch (IllegalArgumentException i){}
656 >        try {
657 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
658 >                                   new ArrayBlockingQueue<Runnable>(10));
659 >            shouldThrow();
660 >        } catch (IllegalArgumentException success) {}
661      }
662 <    
663 <    //---- Tests if maximumPoolSize is less than zero
662 >
663 >    /**
664 >     * Constructor throws if maximumPoolSize is less than zero
665 >     */
666      public void testConstructor2() {
667 <        try{
668 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
669 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
670 <        }
671 <        catch (IllegalArgumentException i2){}
667 >        try {
668 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
669 >                                   new ArrayBlockingQueue<Runnable>(10));
670 >            shouldThrow();
671 >        } catch (IllegalArgumentException success) {}
672      }
673 <    
674 <    //---- Tests if maximumPoolSize is equal to zero
673 >
674 >    /**
675 >     * Constructor throws if maximumPoolSize is equal to zero
676 >     */
677      public void testConstructor3() {
678 <        try{
679 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
680 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
681 <        }
682 <        catch (IllegalArgumentException i3){}
678 >        try {
679 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
680 >                                   new ArrayBlockingQueue<Runnable>(10));
681 >            shouldThrow();
682 >        } catch (IllegalArgumentException success) {}
683      }
684  
685 <    //---- Tests if keepAliveTime is less than zero
685 >    /**
686 >     * Constructor throws if keepAliveTime is less than zero
687 >     */
688      public void testConstructor4() {
689 <        try{
690 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
691 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
692 <        }
693 <        catch (IllegalArgumentException i4){}
689 >        try {
690 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
691 >                                   new ArrayBlockingQueue<Runnable>(10));
692 >            shouldThrow();
693 >        } catch (IllegalArgumentException success) {}
694      }
695  
696 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
696 >    /**
697 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
698 >     */
699      public void testConstructor5() {
700 <        try{
701 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10));
702 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
703 <        }
704 <        catch (IllegalArgumentException i5){}
700 >        try {
701 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
702 >                                   new ArrayBlockingQueue<Runnable>(10));
703 >            shouldThrow();
704 >        } catch (IllegalArgumentException success) {}
705      }
706 <        
707 <    //---- Tests if workQueue is set to null
708 <    public void testNullPointerException() {
709 <        try{
710 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null);
711 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
712 <        }
713 <        catch (NullPointerException n){}  
706 >
707 >    /**
708 >     * Constructor throws if workQueue is set to null
709 >     */
710 >    public void testConstructorNullPointerException() {
711 >        try {
712 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
713 >                                   (BlockingQueue) null);
714 >            shouldThrow();
715 >        } catch (NullPointerException success) {}
716      }
322    
717  
718 <    
719 <    //---- Tests if corePoolSize argument is less than zero
718 >    /**
719 >     * Constructor throws if corePoolSize argument is less than zero
720 >     */
721      public void testConstructor6() {
722 <        try{
723 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.SECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
724 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
725 <        }catch (IllegalArgumentException i6){}
722 >        try {
723 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
724 >                                   new ArrayBlockingQueue<Runnable>(10),
725 >                                   new SimpleThreadFactory());
726 >            shouldThrow();
727 >        } catch (IllegalArgumentException success) {}
728      }
729 <    
730 <    //---- Tests if maximumPoolSize is less than zero
729 >
730 >    /**
731 >     * Constructor throws if maximumPoolSize is less than zero
732 >     */
733      public void testConstructor7() {
734 <        try{
735 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
736 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
737 <        }
738 <        catch (IllegalArgumentException i7){}
734 >        try {
735 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
736 >                                   new ArrayBlockingQueue<Runnable>(10),
737 >                                   new SimpleThreadFactory());
738 >            shouldThrow();
739 >        } catch (IllegalArgumentException success) {}
740      }
741  
742 <    //---- Tests if maximumPoolSize is equal to zero
742 >    /**
743 >     * Constructor throws if maximumPoolSize is equal to zero
744 >     */
745      public void testConstructor8() {
746 <        try{
747 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
748 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
749 <        }
750 <        catch (IllegalArgumentException i8){}
746 >        try {
747 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
748 >                                   new ArrayBlockingQueue<Runnable>(10),
749 >                                   new SimpleThreadFactory());
750 >            shouldThrow();
751 >        } catch (IllegalArgumentException success) {}
752      }
753  
754 <    //---- Tests if keepAliveTime is less than zero
754 >    /**
755 >     * Constructor throws if keepAliveTime is less than zero
756 >     */
757      public void testConstructor9() {
758 <        try{
759 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
760 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
761 <        }
762 <        catch (IllegalArgumentException i9){}
758 >        try {
759 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
760 >                                   new ArrayBlockingQueue<Runnable>(10),
761 >                                   new SimpleThreadFactory());
762 >            shouldThrow();
763 >        } catch (IllegalArgumentException success) {}
764      }
765  
766 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
766 >    /**
767 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
768 >     */
769      public void testConstructor10() {
770 <        try{
771 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread());
772 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
770 >        try {
771 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
772 >                                   new ArrayBlockingQueue<Runnable>(10),
773 >                                   new SimpleThreadFactory());
774 >            shouldThrow();
775 >        } catch (IllegalArgumentException success) {}
776 >    }
777 >
778 >    /**
779 >     * Constructor throws if workQueue is set to null
780 >     */
781 >    public void testConstructorNullPointerException2() {
782 >        try {
783 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
784 >                                   (BlockingQueue) null,
785 >                                   new SimpleThreadFactory());
786 >            shouldThrow();
787 >        } catch (NullPointerException success) {}
788 >    }
789 >
790 >    /**
791 >     * Constructor throws if threadFactory is set to null
792 >     */
793 >    public void testConstructorNullPointerException3() {
794 >        try {
795 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
796 >                                   new ArrayBlockingQueue<Runnable>(10),
797 >                                   (ThreadFactory) null);
798 >            shouldThrow();
799 >        } catch (NullPointerException success) {}
800 >    }
801 >
802 >    /**
803 >     * Constructor throws if corePoolSize argument is less than zero
804 >     */
805 >    public void testConstructor11() {
806 >        try {
807 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
808 >                                   new ArrayBlockingQueue<Runnable>(10),
809 >                                   new NoOpREHandler());
810 >            shouldThrow();
811 >        } catch (IllegalArgumentException success) {}
812 >    }
813 >
814 >    /**
815 >     * Constructor throws if maximumPoolSize is less than zero
816 >     */
817 >    public void testConstructor12() {
818 >        try {
819 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
820 >                                   new ArrayBlockingQueue<Runnable>(10),
821 >                                   new NoOpREHandler());
822 >            shouldThrow();
823 >        } catch (IllegalArgumentException success) {}
824 >    }
825 >
826 >    /**
827 >     * Constructor throws if maximumPoolSize is equal to zero
828 >     */
829 >    public void testConstructor13() {
830 >        try {
831 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
832 >                                   new ArrayBlockingQueue<Runnable>(10),
833 >                                   new NoOpREHandler());
834 >            shouldThrow();
835 >        } catch (IllegalArgumentException success) {}
836 >    }
837 >
838 >    /**
839 >     * Constructor throws if keepAliveTime is less than zero
840 >     */
841 >    public void testConstructor14() {
842 >        try {
843 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
844 >                                   new ArrayBlockingQueue<Runnable>(10),
845 >                                   new NoOpREHandler());
846 >            shouldThrow();
847 >        } catch (IllegalArgumentException success) {}
848 >    }
849 >
850 >    /**
851 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
852 >     */
853 >    public void testConstructor15() {
854 >        try {
855 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
856 >                                   new ArrayBlockingQueue<Runnable>(10),
857 >                                   new NoOpREHandler());
858 >            shouldThrow();
859 >        } catch (IllegalArgumentException success) {}
860 >    }
861 >
862 >    /**
863 >     * Constructor throws if workQueue is set to null
864 >     */
865 >    public void testConstructorNullPointerException4() {
866 >        try {
867 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
868 >                                   (BlockingQueue) null,
869 >                                   new NoOpREHandler());
870 >            shouldThrow();
871 >        } catch (NullPointerException success) {}
872 >    }
873 >
874 >    /**
875 >     * Constructor throws if handler is set to null
876 >     */
877 >    public void testConstructorNullPointerException5() {
878 >        try {
879 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
880 >                                   new ArrayBlockingQueue<Runnable>(10),
881 >                                   (RejectedExecutionHandler) null);
882 >            shouldThrow();
883 >        } catch (NullPointerException success) {}
884 >    }
885 >
886 >    /**
887 >     * Constructor throws if corePoolSize argument is less than zero
888 >     */
889 >    public void testConstructor16() {
890 >        try {
891 >            new ThreadPoolExecutor(-1, 1, 1L, SECONDS,
892 >                                   new ArrayBlockingQueue<Runnable>(10),
893 >                                   new SimpleThreadFactory(),
894 >                                   new NoOpREHandler());
895 >            shouldThrow();
896 >        } catch (IllegalArgumentException success) {}
897 >    }
898 >
899 >    /**
900 >     * Constructor throws if maximumPoolSize is less than zero
901 >     */
902 >    public void testConstructor17() {
903 >        try {
904 >            new ThreadPoolExecutor(1, -1, 1L, SECONDS,
905 >                                   new ArrayBlockingQueue<Runnable>(10),
906 >                                   new SimpleThreadFactory(),
907 >                                   new NoOpREHandler());
908 >            shouldThrow();
909 >        } catch (IllegalArgumentException success) {}
910 >    }
911 >
912 >    /**
913 >     * Constructor throws if maximumPoolSize is equal to zero
914 >     */
915 >    public void testConstructor18() {
916 >        try {
917 >            new ThreadPoolExecutor(1, 0, 1L, SECONDS,
918 >                                   new ArrayBlockingQueue<Runnable>(10),
919 >                                   new SimpleThreadFactory(),
920 >                                   new NoOpREHandler());
921 >            shouldThrow();
922 >        } catch (IllegalArgumentException success) {}
923 >    }
924 >
925 >    /**
926 >     * Constructor throws if keepAliveTime is less than zero
927 >     */
928 >    public void testConstructor19() {
929 >        try {
930 >            new ThreadPoolExecutor(1, 2, -1L, SECONDS,
931 >                                   new ArrayBlockingQueue<Runnable>(10),
932 >                                   new SimpleThreadFactory(),
933 >                                   new NoOpREHandler());
934 >            shouldThrow();
935 >        } catch (IllegalArgumentException success) {}
936 >    }
937 >
938 >    /**
939 >     * Constructor throws if corePoolSize is greater than the maximumPoolSize
940 >     */
941 >    public void testConstructor20() {
942 >        try {
943 >            new ThreadPoolExecutor(2, 1, 1L, SECONDS,
944 >                                   new ArrayBlockingQueue<Runnable>(10),
945 >                                   new SimpleThreadFactory(),
946 >                                   new NoOpREHandler());
947 >            shouldThrow();
948 >        } catch (IllegalArgumentException success) {}
949 >    }
950 >
951 >    /**
952 >     * Constructor throws if workQueue is null
953 >     */
954 >    public void testConstructorNullPointerException6() {
955 >        try {
956 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
957 >                                   (BlockingQueue) null,
958 >                                   new SimpleThreadFactory(),
959 >                                   new NoOpREHandler());
960 >            shouldThrow();
961 >        } catch (NullPointerException success) {}
962 >    }
963 >
964 >    /**
965 >     * Constructor throws if handler is null
966 >     */
967 >    public void testConstructorNullPointerException7() {
968 >        try {
969 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
970 >                                   new ArrayBlockingQueue<Runnable>(10),
971 >                                   new SimpleThreadFactory(),
972 >                                   (RejectedExecutionHandler) null);
973 >            shouldThrow();
974 >        } catch (NullPointerException success) {}
975 >    }
976 >
977 >    /**
978 >     * Constructor throws if ThreadFactory is null
979 >     */
980 >    public void testConstructorNullPointerException8() {
981 >        try {
982 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
983 >                                   new ArrayBlockingQueue<Runnable>(10),
984 >                                   (ThreadFactory) null,
985 >                                   new NoOpREHandler());
986 >            shouldThrow();
987 >        } catch (NullPointerException success) {}
988 >    }
989 >
990 >    /**
991 >     * get of submitted callable throws InterruptedException if interrupted
992 >     */
993 >    public void testInterruptedSubmit() throws InterruptedException {
994 >        final ThreadPoolExecutor p =
995 >            new ThreadPoolExecutor(1, 1,
996 >                                   60, SECONDS,
997 >                                   new ArrayBlockingQueue<Runnable>(10));
998 >
999 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1000 >        final CountDownLatch done = new CountDownLatch(1);
1001 >        try {
1002 >            Thread t = newStartedThread(new CheckedInterruptedRunnable() {
1003 >                public void realRun() throws Exception {
1004 >                    Callable task = new CheckedCallable<Boolean>() {
1005 >                        public Boolean realCall() throws InterruptedException {
1006 >                            threadStarted.countDown();
1007 >                            done.await();
1008 >                            return Boolean.TRUE;
1009 >                        }};
1010 >                    p.submit(task).get();
1011 >                }});
1012 >
1013 >            assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS));
1014 >            t.interrupt();
1015 >            awaitTermination(t, MEDIUM_DELAY_MS);
1016 >        } finally {
1017 >            done.countDown();
1018 >            joinPool(p);
1019          }
366        catch (IllegalArgumentException i10){}
1020      }
1021  
1022 <    //---- Tests if workQueue is set to null
1023 <    public void testNullPointerException2() {
1024 <        try{
1025 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread());
1026 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1022 >    /**
1023 >     * execute throws RejectedExecutionException if saturated.
1024 >     */
1025 >    public void testSaturatedExecute() {
1026 >        ThreadPoolExecutor p =
1027 >            new ThreadPoolExecutor(1, 1,
1028 >                                   LONG_DELAY_MS, MILLISECONDS,
1029 >                                   new ArrayBlockingQueue<Runnable>(1));
1030 >        final CountDownLatch done = new CountDownLatch(1);
1031 >        try {
1032 >            Runnable task = new CheckedRunnable() {
1033 >                public void realRun() throws InterruptedException {
1034 >                    done.await();
1035 >                }};
1036 >            for (int i = 0; i < 2; ++i)
1037 >                p.execute(task);
1038 >            for (int i = 0; i < 2; ++i) {
1039 >                try {
1040 >                    p.execute(task);
1041 >                    shouldThrow();
1042 >                } catch (RejectedExecutionException success) {}
1043 >                assertTrue(p.getTaskCount() <= 2);
1044 >            }
1045 >        } finally {
1046 >            done.countDown();
1047 >            joinPool(p);
1048          }
375        catch (NullPointerException n2){}  
1049      }
1050  
1051 <    //---- Tests if threadFactory is set to null
1052 <    public void testNullPointerException3() {
1053 <        try{
1054 <            ThreadFactory f = null;
1055 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
1056 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1051 >    /**
1052 >     * submit(runnable) throws RejectedExecutionException if saturated.
1053 >     */
1054 >    public void testSaturatedSubmitRunnable() {
1055 >        ThreadPoolExecutor p =
1056 >            new ThreadPoolExecutor(1, 1,
1057 >                                   LONG_DELAY_MS, MILLISECONDS,
1058 >                                   new ArrayBlockingQueue<Runnable>(1));
1059 >        final CountDownLatch done = new CountDownLatch(1);
1060 >        try {
1061 >            Runnable task = new CheckedRunnable() {
1062 >                public void realRun() throws InterruptedException {
1063 >                    done.await();
1064 >                }};
1065 >            for (int i = 0; i < 2; ++i)
1066 >                p.submit(task);
1067 >            for (int i = 0; i < 2; ++i) {
1068 >                try {
1069 >                    p.execute(task);
1070 >                    shouldThrow();
1071 >                } catch (RejectedExecutionException success) {}
1072 >                assertTrue(p.getTaskCount() <= 2);
1073 >            }
1074 >        } finally {
1075 >            done.countDown();
1076 >            joinPool(p);
1077          }
385        catch (NullPointerException n3){}  
1078      }
1079 <
1080 <    
1081 <    //---- Tests if corePoolSize argument is less than zero
1082 <    public void testConstructor11() {
1083 <        try{
1084 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1085 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1079 >
1080 >    /**
1081 >     * submit(callable) throws RejectedExecutionException if saturated.
1082 >     */
1083 >    public void testSaturatedSubmitCallable() {
1084 >        ThreadPoolExecutor p =
1085 >            new ThreadPoolExecutor(1, 1,
1086 >                                   LONG_DELAY_MS, MILLISECONDS,
1087 >                                   new ArrayBlockingQueue<Runnable>(1));
1088 >        final CountDownLatch done = new CountDownLatch(1);
1089 >        try {
1090 >            Runnable task = new CheckedRunnable() {
1091 >                public void realRun() throws InterruptedException {
1092 >                    done.await();
1093 >                }};
1094 >            for (int i = 0; i < 2; ++i)
1095 >                p.submit(Executors.callable(task));
1096 >            for (int i = 0; i < 2; ++i) {
1097 >                try {
1098 >                    p.execute(task);
1099 >                    shouldThrow();
1100 >                } catch (RejectedExecutionException success) {}
1101 >                assertTrue(p.getTaskCount() <= 2);
1102 >            }
1103 >        } finally {
1104 >            done.countDown();
1105 >            joinPool(p);
1106          }
395        catch (IllegalArgumentException i11){}
1107      }
1108  
1109 <    //---- Tests if maximumPoolSize is less than zero
1110 <    public void testConstructor12() {
1111 <        try{
1112 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1113 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1109 >    /**
1110 >     * executor using CallerRunsPolicy runs task if saturated.
1111 >     */
1112 >    public void testSaturatedExecute2() {
1113 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1114 >        final ThreadPoolExecutor p =
1115 >            new ThreadPoolExecutor(1, 1,
1116 >                                   LONG_DELAY_MS,
1117 >                                   MILLISECONDS,
1118 >                                   new ArrayBlockingQueue<Runnable>(1),
1119 >                                   h);
1120 >        try {
1121 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1122 >            for (int i = 0; i < tasks.length; ++i)
1123 >                tasks[i] = new TrackedNoOpRunnable();
1124 >            TrackedLongRunnable mr = new TrackedLongRunnable();
1125 >            p.execute(mr);
1126 >            for (int i = 0; i < tasks.length; ++i)
1127 >                p.execute(tasks[i]);
1128 >            for (int i = 1; i < tasks.length; ++i)
1129 >                assertTrue(tasks[i].done);
1130 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1131 >        } finally {
1132 >            joinPool(p);
1133          }
404        catch (IllegalArgumentException i12){}
1134      }
1135  
1136 <    //---- Tests if maximumPoolSize is equal to zero
1137 <    public void testConstructor13() {
1138 <        try{
1139 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1140 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1136 >    /**
1137 >     * executor using DiscardPolicy drops task if saturated.
1138 >     */
1139 >    public void testSaturatedExecute3() {
1140 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1141 >        final ThreadPoolExecutor p =
1142 >            new ThreadPoolExecutor(1, 1,
1143 >                                   LONG_DELAY_MS, MILLISECONDS,
1144 >                                   new ArrayBlockingQueue<Runnable>(1),
1145 >                                   h);
1146 >        try {
1147 >            TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
1148 >            for (int i = 0; i < tasks.length; ++i)
1149 >                tasks[i] = new TrackedNoOpRunnable();
1150 >            p.execute(new TrackedLongRunnable());
1151 >            for (TrackedNoOpRunnable task : tasks)
1152 >                p.execute(task);
1153 >            for (TrackedNoOpRunnable task : tasks)
1154 >                assertFalse(task.done);
1155 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1156 >        } finally {
1157 >            joinPool(p);
1158          }
413        catch (IllegalArgumentException i13){}
1159      }
1160  
1161 <    //---- Tests if keepAliveTime is less than zero
1162 <    public void testConstructor14() {
1163 <        try{
1164 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1165 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1161 >    /**
1162 >     * executor using DiscardOldestPolicy drops oldest task if saturated.
1163 >     */
1164 >    public void testSaturatedExecute4() {
1165 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1166 >        final ThreadPoolExecutor p =
1167 >            new ThreadPoolExecutor(1, 1,
1168 >                                   LONG_DELAY_MS, MILLISECONDS,
1169 >                                   new ArrayBlockingQueue<Runnable>(1),
1170 >                                   h);
1171 >        try {
1172 >            p.execute(new TrackedLongRunnable());
1173 >            TrackedLongRunnable r2 = new TrackedLongRunnable();
1174 >            p.execute(r2);
1175 >            assertTrue(p.getQueue().contains(r2));
1176 >            TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
1177 >            p.execute(r3);
1178 >            assertFalse(p.getQueue().contains(r2));
1179 >            assertTrue(p.getQueue().contains(r3));
1180 >            try { p.shutdownNow(); } catch (SecurityException ok) { return; }
1181 >        } finally {
1182 >            joinPool(p);
1183          }
422        catch (IllegalArgumentException i14){}
1184      }
1185  
1186 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1187 <    public void testConstructor15() {
1188 <        try{
1189 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testReject());
1190 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1186 >    /**
1187 >     * execute throws RejectedExecutionException if shutdown
1188 >     */
1189 >    public void testRejectedExecutionExceptionOnShutdown() {
1190 >        ThreadPoolExecutor p =
1191 >            new ThreadPoolExecutor(1, 1,
1192 >                                   LONG_DELAY_MS, MILLISECONDS,
1193 >                                   new ArrayBlockingQueue<Runnable>(1));
1194 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1195 >        try {
1196 >            p.execute(new NoOpRunnable());
1197 >            shouldThrow();
1198 >        } catch (RejectedExecutionException success) {}
1199 >
1200 >        joinPool(p);
1201 >    }
1202 >
1203 >    /**
1204 >     * execute using CallerRunsPolicy drops task on shutdown
1205 >     */
1206 >    public void testCallerRunsOnShutdown() {
1207 >        RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
1208 >        final ThreadPoolExecutor p =
1209 >            new ThreadPoolExecutor(1, 1,
1210 >                                   LONG_DELAY_MS, MILLISECONDS,
1211 >                                   new ArrayBlockingQueue<Runnable>(1), h);
1212 >
1213 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1214 >        try {
1215 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1216 >            p.execute(r);
1217 >            assertFalse(r.done);
1218 >        } finally {
1219 >            joinPool(p);
1220          }
431        catch (IllegalArgumentException i15){}
1221      }
1222  
1223 <    //---- Tests if workQueue is set to null
1224 <    public void testNullPointerException4() {
1225 <        try{
1226 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testReject());
1227 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1223 >    /**
1224 >     * execute using DiscardPolicy drops task on shutdown
1225 >     */
1226 >    public void testDiscardOnShutdown() {
1227 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
1228 >        ThreadPoolExecutor p =
1229 >            new ThreadPoolExecutor(1, 1,
1230 >                                   LONG_DELAY_MS, MILLISECONDS,
1231 >                                   new ArrayBlockingQueue<Runnable>(1),
1232 >                                   h);
1233 >
1234 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1235 >        try {
1236 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1237 >            p.execute(r);
1238 >            assertFalse(r.done);
1239 >        } finally {
1240 >            joinPool(p);
1241          }
440        catch (NullPointerException n4){}  
1242      }
1243  
1244 <    //---- Tests if handler is set to null
1245 <    public void testNullPointerException5() {
1246 <        try{
1247 <            RejectedExecutionHandler r = null;
1248 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
1249 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1244 >    /**
1245 >     * execute using DiscardOldestPolicy drops task on shutdown
1246 >     */
1247 >    public void testDiscardOldestOnShutdown() {
1248 >        RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
1249 >        ThreadPoolExecutor p =
1250 >            new ThreadPoolExecutor(1, 1,
1251 >                                   LONG_DELAY_MS, MILLISECONDS,
1252 >                                   new ArrayBlockingQueue<Runnable>(1),
1253 >                                   h);
1254 >
1255 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1256 >        try {
1257 >            TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1258 >            p.execute(r);
1259 >            assertFalse(r.done);
1260 >        } finally {
1261 >            joinPool(p);
1262          }
450        catch (NullPointerException n5){}  
1263      }
1264  
1265 <    
1266 <    //---- Tests if corePoolSize argument is less than zero
1267 <    public void testConstructor16() {
1268 <        try{
1269 <            new ThreadPoolExecutor(-1,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1270 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1265 >    /**
1266 >     * execute(null) throws NPE
1267 >     */
1268 >    public void testExecuteNull() {
1269 >        ThreadPoolExecutor p =
1270 >            new ThreadPoolExecutor(1, 2, 1L, SECONDS,
1271 >                                   new ArrayBlockingQueue<Runnable>(10));
1272 >        try {
1273 >            p.execute(null);
1274 >            shouldThrow();
1275 >        } catch (NullPointerException success) {}
1276 >
1277 >        joinPool(p);
1278 >    }
1279 >
1280 >    /**
1281 >     * setCorePoolSize of negative value throws IllegalArgumentException
1282 >     */
1283 >    public void testCorePoolSizeIllegalArgumentException() {
1284 >        ThreadPoolExecutor p =
1285 >            new ThreadPoolExecutor(1, 2,
1286 >                                   LONG_DELAY_MS, MILLISECONDS,
1287 >                                   new ArrayBlockingQueue<Runnable>(10));
1288 >        try {
1289 >            p.setCorePoolSize(-1);
1290 >            shouldThrow();
1291 >        } catch (IllegalArgumentException success) {
1292 >        } finally {
1293 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1294          }
1295 <        catch (IllegalArgumentException i16){}
1295 >        joinPool(p);
1296      }
1297  
1298 <    //---- Tests if maximumPoolSize is less than zero
1299 <    public void testConstructor17() {
1300 <        try{
1301 <            new ThreadPoolExecutor(1,-1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1302 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1298 >    /**
1299 >     * setMaximumPoolSize(int) throws IllegalArgumentException if
1300 >     * given a value less the core pool size
1301 >     */
1302 >    public void testMaximumPoolSizeIllegalArgumentException() {
1303 >        ThreadPoolExecutor p =
1304 >            new ThreadPoolExecutor(2, 3,
1305 >                                   LONG_DELAY_MS, MILLISECONDS,
1306 >                                   new ArrayBlockingQueue<Runnable>(10));
1307 >        try {
1308 >            p.setMaximumPoolSize(1);
1309 >            shouldThrow();
1310 >        } catch (IllegalArgumentException success) {
1311 >        } finally {
1312 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1313          }
1314 <        catch (IllegalArgumentException i17){}
1314 >        joinPool(p);
1315      }
1316  
1317 <    //---- Tests if maximumPoolSize is equal to zero
1318 <    public void testConstructor18() {
1319 <        try{
1320 <            new ThreadPoolExecutor(1,0,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1321 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1317 >    /**
1318 >     * setMaximumPoolSize throws IllegalArgumentException
1319 >     * if given a negative value
1320 >     */
1321 >    public void testMaximumPoolSizeIllegalArgumentException2() {
1322 >        ThreadPoolExecutor p =
1323 >            new ThreadPoolExecutor(2, 3,
1324 >                                   LONG_DELAY_MS, MILLISECONDS,
1325 >                                   new ArrayBlockingQueue<Runnable>(10));
1326 >        try {
1327 >            p.setMaximumPoolSize(-1);
1328 >            shouldThrow();
1329 >        } catch (IllegalArgumentException success) {
1330 >        } finally {
1331 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1332          }
1333 <        catch (IllegalArgumentException i18){}
1333 >        joinPool(p);
1334      }
1335  
1336 <    //---- Tests if keepAliveTime is less than zero
1337 <    public void testConstructor19() {
1338 <        try{
1339 <            new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1340 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1336 >    /**
1337 >     * Configuration changes that allow core pool size greater than
1338 >     * max pool size result in IllegalArgumentException.
1339 >     */
1340 >    public void testPoolSizeInvariants() {
1341 >        ThreadPoolExecutor p =
1342 >            new ThreadPoolExecutor(1, 1,
1343 >                                   LONG_DELAY_MS, MILLISECONDS,
1344 >                                   new ArrayBlockingQueue<Runnable>(10));
1345 >        for (int s = 1; s < 5; s++) {
1346 >            p.setMaximumPoolSize(s);
1347 >            p.setCorePoolSize(s);
1348 >            try {
1349 >                p.setMaximumPoolSize(s - 1);
1350 >                shouldThrow();
1351 >            } catch (IllegalArgumentException success) {}
1352 >            assertEquals(s, p.getCorePoolSize());
1353 >            assertEquals(s, p.getMaximumPoolSize());
1354 >            try {
1355 >                p.setCorePoolSize(s + 1);
1356 >                shouldThrow();
1357 >            } catch (IllegalArgumentException success) {}
1358 >            assertEquals(s, p.getCorePoolSize());
1359 >            assertEquals(s, p.getMaximumPoolSize());
1360          }
1361 <        catch (IllegalArgumentException i19){}
1361 >        joinPool(p);
1362      }
1363  
1364 <    //---- Tests if corePoolSize is greater than the maximumPoolSize
1365 <    public void testConstructor20() {
1366 <        try{
1367 <            new ThreadPoolExecutor(2,1,100L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new testThread(),new testReject());
1368 <            fail("ThreadPoolExecutor constructor should throw an IllegalArgumentException");            
1364 >    /**
1365 >     * setKeepAliveTime throws IllegalArgumentException
1366 >     * when given a negative value
1367 >     */
1368 >    public void testKeepAliveTimeIllegalArgumentException() {
1369 >        ThreadPoolExecutor p =
1370 >            new ThreadPoolExecutor(2, 3,
1371 >                                   LONG_DELAY_MS, MILLISECONDS,
1372 >                                   new ArrayBlockingQueue<Runnable>(10));
1373 >        try {
1374 >            p.setKeepAliveTime(-1,MILLISECONDS);
1375 >            shouldThrow();
1376 >        } catch (IllegalArgumentException success) {
1377 >        } finally {
1378 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1379 >        }
1380 >        joinPool(p);
1381 >    }
1382 >
1383 >    /**
1384 >     * terminated() is called on termination
1385 >     */
1386 >    public void testTerminated() {
1387 >        ExtendedTPE p = new ExtendedTPE();
1388 >        try { p.shutdown(); } catch (SecurityException ok) { return; }
1389 >        assertTrue(p.terminatedCalled());
1390 >        joinPool(p);
1391 >    }
1392 >
1393 >    /**
1394 >     * beforeExecute and afterExecute are called when executing task
1395 >     */
1396 >    public void testBeforeAfter() throws InterruptedException {
1397 >        ExtendedTPE p = new ExtendedTPE();
1398 >        try {
1399 >            final CountDownLatch done = new CountDownLatch(1);
1400 >            p.execute(new CheckedRunnable() {
1401 >                public void realRun() {
1402 >                    done.countDown();
1403 >                }});
1404 >            await(p.afterCalled);
1405 >            assertEquals(0, done.getCount());
1406 >            assertTrue(p.afterCalled());
1407 >            assertTrue(p.beforeCalled());
1408 >            try { p.shutdown(); } catch (SecurityException ok) { return; }
1409 >        } finally {
1410 >            joinPool(p);
1411 >        }
1412 >    }
1413 >
1414 >    /**
1415 >     * completed submit of callable returns result
1416 >     */
1417 >    public void testSubmitCallable() throws Exception {
1418 >        ExecutorService e =
1419 >            new ThreadPoolExecutor(2, 2,
1420 >                                   LONG_DELAY_MS, MILLISECONDS,
1421 >                                   new ArrayBlockingQueue<Runnable>(10));
1422 >        try {
1423 >            Future<String> future = e.submit(new StringTask());
1424 >            String result = future.get();
1425 >            assertSame(TEST_STRING, result);
1426 >        } finally {
1427 >            joinPool(e);
1428 >        }
1429 >    }
1430 >
1431 >    /**
1432 >     * completed submit of runnable returns successfully
1433 >     */
1434 >    public void testSubmitRunnable() throws Exception {
1435 >        ExecutorService e =
1436 >            new ThreadPoolExecutor(2, 2,
1437 >                                   LONG_DELAY_MS, MILLISECONDS,
1438 >                                   new ArrayBlockingQueue<Runnable>(10));
1439 >        try {
1440 >            Future<?> future = e.submit(new NoOpRunnable());
1441 >            future.get();
1442 >            assertTrue(future.isDone());
1443 >        } finally {
1444 >            joinPool(e);
1445 >        }
1446 >    }
1447 >
1448 >    /**
1449 >     * completed submit of (runnable, result) returns result
1450 >     */
1451 >    public void testSubmitRunnable2() throws Exception {
1452 >        ExecutorService e =
1453 >            new ThreadPoolExecutor(2, 2,
1454 >                                   LONG_DELAY_MS, MILLISECONDS,
1455 >                                   new ArrayBlockingQueue<Runnable>(10));
1456 >        try {
1457 >            Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1458 >            String result = future.get();
1459 >            assertSame(TEST_STRING, result);
1460 >        } finally {
1461 >            joinPool(e);
1462 >        }
1463 >    }
1464 >
1465 >    /**
1466 >     * invokeAny(null) throws NPE
1467 >     */
1468 >    public void testInvokeAny1() throws Exception {
1469 >        ExecutorService e =
1470 >            new ThreadPoolExecutor(2, 2,
1471 >                                   LONG_DELAY_MS, MILLISECONDS,
1472 >                                   new ArrayBlockingQueue<Runnable>(10));
1473 >        try {
1474 >            e.invokeAny(null);
1475 >            shouldThrow();
1476 >        } catch (NullPointerException success) {
1477 >        } finally {
1478 >            joinPool(e);
1479 >        }
1480 >    }
1481 >
1482 >    /**
1483 >     * invokeAny(empty collection) throws IAE
1484 >     */
1485 >    public void testInvokeAny2() throws Exception {
1486 >        ExecutorService e =
1487 >            new ThreadPoolExecutor(2, 2,
1488 >                                   LONG_DELAY_MS, MILLISECONDS,
1489 >                                   new ArrayBlockingQueue<Runnable>(10));
1490 >        try {
1491 >            e.invokeAny(new ArrayList<Callable<String>>());
1492 >            shouldThrow();
1493 >        } catch (IllegalArgumentException success) {
1494 >        } finally {
1495 >            joinPool(e);
1496 >        }
1497 >    }
1498 >
1499 >    /**
1500 >     * invokeAny(c) throws NPE if c has null elements
1501 >     */
1502 >    public void testInvokeAny3() throws Exception {
1503 >        final CountDownLatch latch = new CountDownLatch(1);
1504 >        final ExecutorService e =
1505 >            new ThreadPoolExecutor(2, 2,
1506 >                                   LONG_DELAY_MS, MILLISECONDS,
1507 >                                   new ArrayBlockingQueue<Runnable>(10));
1508 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1509 >        l.add(latchAwaitingStringTask(latch));
1510 >        l.add(null);
1511 >        try {
1512 >            e.invokeAny(l);
1513 >            shouldThrow();
1514 >        } catch (NullPointerException success) {
1515 >        } finally {
1516 >            latch.countDown();
1517 >            joinPool(e);
1518 >        }
1519 >    }
1520 >
1521 >    /**
1522 >     * invokeAny(c) throws ExecutionException if no task completes
1523 >     */
1524 >    public void testInvokeAny4() throws Exception {
1525 >        ExecutorService e =
1526 >            new ThreadPoolExecutor(2, 2,
1527 >                                   LONG_DELAY_MS, MILLISECONDS,
1528 >                                   new ArrayBlockingQueue<Runnable>(10));
1529 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1530 >        l.add(new NPETask());
1531 >        try {
1532 >            e.invokeAny(l);
1533 >            shouldThrow();
1534 >        } catch (ExecutionException success) {
1535 >            assertTrue(success.getCause() instanceof NullPointerException);
1536 >        } finally {
1537 >            joinPool(e);
1538 >        }
1539 >    }
1540 >
1541 >    /**
1542 >     * invokeAny(c) returns result of some task
1543 >     */
1544 >    public void testInvokeAny5() throws Exception {
1545 >        ExecutorService e =
1546 >            new ThreadPoolExecutor(2, 2,
1547 >                                   LONG_DELAY_MS, MILLISECONDS,
1548 >                                   new ArrayBlockingQueue<Runnable>(10));
1549 >        try {
1550 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1551 >            l.add(new StringTask());
1552 >            l.add(new StringTask());
1553 >            String result = e.invokeAny(l);
1554 >            assertSame(TEST_STRING, result);
1555 >        } finally {
1556 >            joinPool(e);
1557 >        }
1558 >    }
1559 >
1560 >    /**
1561 >     * invokeAll(null) throws NPE
1562 >     */
1563 >    public void testInvokeAll1() throws Exception {
1564 >        ExecutorService e =
1565 >            new ThreadPoolExecutor(2, 2,
1566 >                                   LONG_DELAY_MS, MILLISECONDS,
1567 >                                   new ArrayBlockingQueue<Runnable>(10));
1568 >        try {
1569 >            e.invokeAll(null);
1570 >            shouldThrow();
1571 >        } catch (NullPointerException success) {
1572 >        } finally {
1573 >            joinPool(e);
1574 >        }
1575 >    }
1576 >
1577 >    /**
1578 >     * invokeAll(empty collection) returns empty collection
1579 >     */
1580 >    public void testInvokeAll2() throws InterruptedException {
1581 >        ExecutorService e =
1582 >            new ThreadPoolExecutor(2, 2,
1583 >                                   LONG_DELAY_MS, MILLISECONDS,
1584 >                                   new ArrayBlockingQueue<Runnable>(10));
1585 >        try {
1586 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1587 >            assertTrue(r.isEmpty());
1588 >        } finally {
1589 >            joinPool(e);
1590 >        }
1591 >    }
1592 >
1593 >    /**
1594 >     * invokeAll(c) throws NPE if c has null elements
1595 >     */
1596 >    public void testInvokeAll3() throws Exception {
1597 >        ExecutorService e =
1598 >            new ThreadPoolExecutor(2, 2,
1599 >                                   LONG_DELAY_MS, MILLISECONDS,
1600 >                                   new ArrayBlockingQueue<Runnable>(10));
1601 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1602 >        l.add(new StringTask());
1603 >        l.add(null);
1604 >        try {
1605 >            e.invokeAll(l);
1606 >            shouldThrow();
1607 >        } catch (NullPointerException success) {
1608 >        } finally {
1609 >            joinPool(e);
1610 >        }
1611 >    }
1612 >
1613 >    /**
1614 >     * get of element of invokeAll(c) throws exception on failed task
1615 >     */
1616 >    public void testInvokeAll4() throws Exception {
1617 >        ExecutorService e =
1618 >            new ThreadPoolExecutor(2, 2,
1619 >                                   LONG_DELAY_MS, MILLISECONDS,
1620 >                                   new ArrayBlockingQueue<Runnable>(10));
1621 >        try {
1622 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1623 >            l.add(new NPETask());
1624 >            List<Future<String>> futures = e.invokeAll(l);
1625 >            assertEquals(1, futures.size());
1626 >            try {
1627 >                futures.get(0).get();
1628 >                shouldThrow();
1629 >            } catch (ExecutionException success) {
1630 >                assertTrue(success.getCause() instanceof NullPointerException);
1631 >            }
1632 >        } finally {
1633 >            joinPool(e);
1634 >        }
1635 >    }
1636 >
1637 >    /**
1638 >     * invokeAll(c) returns results of all completed tasks
1639 >     */
1640 >    public void testInvokeAll5() throws Exception {
1641 >        ExecutorService e =
1642 >            new ThreadPoolExecutor(2, 2,
1643 >                                   LONG_DELAY_MS, MILLISECONDS,
1644 >                                   new ArrayBlockingQueue<Runnable>(10));
1645 >        try {
1646 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1647 >            l.add(new StringTask());
1648 >            l.add(new StringTask());
1649 >            List<Future<String>> futures = e.invokeAll(l);
1650 >            assertEquals(2, futures.size());
1651 >            for (Future<String> future : futures)
1652 >                assertSame(TEST_STRING, future.get());
1653 >        } finally {
1654 >            joinPool(e);
1655 >        }
1656 >    }
1657 >
1658 >    /**
1659 >     * timed invokeAny(null) throws NPE
1660 >     */
1661 >    public void testTimedInvokeAny1() throws Exception {
1662 >        ExecutorService e =
1663 >            new ThreadPoolExecutor(2, 2,
1664 >                                   LONG_DELAY_MS, MILLISECONDS,
1665 >                                   new ArrayBlockingQueue<Runnable>(10));
1666 >        try {
1667 >            e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS);
1668 >            shouldThrow();
1669 >        } catch (NullPointerException success) {
1670 >        } finally {
1671 >            joinPool(e);
1672 >        }
1673 >    }
1674 >
1675 >    /**
1676 >     * timed invokeAny(,,null) throws NPE
1677 >     */
1678 >    public void testTimedInvokeAnyNullTimeUnit() throws Exception {
1679 >        ExecutorService e =
1680 >            new ThreadPoolExecutor(2, 2,
1681 >                                   LONG_DELAY_MS, MILLISECONDS,
1682 >                                   new ArrayBlockingQueue<Runnable>(10));
1683 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1684 >        l.add(new StringTask());
1685 >        try {
1686 >            e.invokeAny(l, MEDIUM_DELAY_MS, null);
1687 >            shouldThrow();
1688 >        } catch (NullPointerException success) {
1689 >        } finally {
1690 >            joinPool(e);
1691 >        }
1692 >    }
1693 >
1694 >    /**
1695 >     * timed invokeAny(empty collection) throws IAE
1696 >     */
1697 >    public void testTimedInvokeAny2() throws Exception {
1698 >        ExecutorService e =
1699 >            new ThreadPoolExecutor(2, 2,
1700 >                                   LONG_DELAY_MS, MILLISECONDS,
1701 >                                   new ArrayBlockingQueue<Runnable>(10));
1702 >        try {
1703 >            e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1704 >            shouldThrow();
1705 >        } catch (IllegalArgumentException success) {
1706 >        } finally {
1707 >            joinPool(e);
1708 >        }
1709 >    }
1710 >
1711 >    /**
1712 >     * timed invokeAny(c) throws NPE if c has null elements
1713 >     */
1714 >    public void testTimedInvokeAny3() throws Exception {
1715 >        final CountDownLatch latch = new CountDownLatch(1);
1716 >        final ExecutorService e =
1717 >            new ThreadPoolExecutor(2, 2,
1718 >                                   LONG_DELAY_MS, MILLISECONDS,
1719 >                                   new ArrayBlockingQueue<Runnable>(10));
1720 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1721 >        l.add(latchAwaitingStringTask(latch));
1722 >        l.add(null);
1723 >        try {
1724 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1725 >            shouldThrow();
1726 >        } catch (NullPointerException success) {
1727 >        } finally {
1728 >            latch.countDown();
1729 >            joinPool(e);
1730 >        }
1731 >    }
1732 >
1733 >    /**
1734 >     * timed invokeAny(c) throws ExecutionException if no task completes
1735 >     */
1736 >    public void testTimedInvokeAny4() throws Exception {
1737 >        ExecutorService e =
1738 >            new ThreadPoolExecutor(2, 2,
1739 >                                   LONG_DELAY_MS, MILLISECONDS,
1740 >                                   new ArrayBlockingQueue<Runnable>(10));
1741 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1742 >        l.add(new NPETask());
1743 >        try {
1744 >            e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1745 >            shouldThrow();
1746 >        } catch (ExecutionException success) {
1747 >            assertTrue(success.getCause() instanceof NullPointerException);
1748 >        } finally {
1749 >            joinPool(e);
1750 >        }
1751 >    }
1752 >
1753 >    /**
1754 >     * timed invokeAny(c) returns result of some task
1755 >     */
1756 >    public void testTimedInvokeAny5() throws Exception {
1757 >        ExecutorService e =
1758 >            new ThreadPoolExecutor(2, 2,
1759 >                                   LONG_DELAY_MS, MILLISECONDS,
1760 >                                   new ArrayBlockingQueue<Runnable>(10));
1761 >        try {
1762 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1763 >            l.add(new StringTask());
1764 >            l.add(new StringTask());
1765 >            String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS);
1766 >            assertSame(TEST_STRING, result);
1767 >        } finally {
1768 >            joinPool(e);
1769 >        }
1770 >    }
1771 >
1772 >    /**
1773 >     * timed invokeAll(null) throws NPE
1774 >     */
1775 >    public void testTimedInvokeAll1() throws Exception {
1776 >        ExecutorService e =
1777 >            new ThreadPoolExecutor(2, 2,
1778 >                                   LONG_DELAY_MS, MILLISECONDS,
1779 >                                   new ArrayBlockingQueue<Runnable>(10));
1780 >        try {
1781 >            e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS);
1782 >            shouldThrow();
1783 >        } catch (NullPointerException success) {
1784 >        } finally {
1785 >            joinPool(e);
1786 >        }
1787 >    }
1788 >
1789 >    /**
1790 >     * timed invokeAll(,,null) throws NPE
1791 >     */
1792 >    public void testTimedInvokeAllNullTimeUnit() throws Exception {
1793 >        ExecutorService e =
1794 >            new ThreadPoolExecutor(2, 2,
1795 >                                   LONG_DELAY_MS, MILLISECONDS,
1796 >                                   new ArrayBlockingQueue<Runnable>(10));
1797 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1798 >        l.add(new StringTask());
1799 >        try {
1800 >            e.invokeAll(l, MEDIUM_DELAY_MS, null);
1801 >            shouldThrow();
1802 >        } catch (NullPointerException success) {
1803 >        } finally {
1804 >            joinPool(e);
1805 >        }
1806 >    }
1807 >
1808 >    /**
1809 >     * timed invokeAll(empty collection) returns empty collection
1810 >     */
1811 >    public void testTimedInvokeAll2() throws InterruptedException {
1812 >        ExecutorService e =
1813 >            new ThreadPoolExecutor(2, 2,
1814 >                                   LONG_DELAY_MS, MILLISECONDS,
1815 >                                   new ArrayBlockingQueue<Runnable>(10));
1816 >        try {
1817 >            List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS);
1818 >            assertTrue(r.isEmpty());
1819 >        } finally {
1820 >            joinPool(e);
1821          }
496        catch (IllegalArgumentException i20){}
1822      }
1823  
1824 <    //---- Tests if workQueue is set to null
1825 <    public void testNullPointerException6() {
1826 <        try{
1827 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,null,new testThread(),new testReject());
1828 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1824 >    /**
1825 >     * timed invokeAll(c) throws NPE if c has null elements
1826 >     */
1827 >    public void testTimedInvokeAll3() throws Exception {
1828 >        ExecutorService e =
1829 >            new ThreadPoolExecutor(2, 2,
1830 >                                   LONG_DELAY_MS, MILLISECONDS,
1831 >                                   new ArrayBlockingQueue<Runnable>(10));
1832 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1833 >        l.add(new StringTask());
1834 >        l.add(null);
1835 >        try {
1836 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1837 >            shouldThrow();
1838 >        } catch (NullPointerException success) {
1839 >        } finally {
1840 >            joinPool(e);
1841          }
505        catch (NullPointerException n6){}  
1842      }
1843  
1844 <    //---- Tests if handler is set to null
1845 <    public void testNullPointerException7() {
1846 <        try{
1847 <            RejectedExecutionHandler r = null;
1848 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new testThread(),r);
1849 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1844 >    /**
1845 >     * get of element of invokeAll(c) throws exception on failed task
1846 >     */
1847 >    public void testTimedInvokeAll4() throws Exception {
1848 >        ExecutorService e =
1849 >            new ThreadPoolExecutor(2, 2,
1850 >                                   LONG_DELAY_MS, MILLISECONDS,
1851 >                                   new ArrayBlockingQueue<Runnable>(10));
1852 >        List<Callable<String>> l = new ArrayList<Callable<String>>();
1853 >        l.add(new NPETask());
1854 >        List<Future<String>> futures =
1855 >            e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1856 >        assertEquals(1, futures.size());
1857 >        try {
1858 >            futures.get(0).get();
1859 >            shouldThrow();
1860 >        } catch (ExecutionException success) {
1861 >            assertTrue(success.getCause() instanceof NullPointerException);
1862 >        } finally {
1863 >            joinPool(e);
1864          }
515        catch (NullPointerException n7){}  
1865      }
1866  
1867 <    //---- Tests if ThradFactory is set top null
1868 <    public void testNullPointerException8() {
1869 <        try{
1870 <            ThreadFactory f = null;
1871 <            new ThreadPoolExecutor(1,2,100L,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new testReject());
1872 <            fail("ThreadPoolExecutor constructor should throw a NullPointerException");        
1867 >    /**
1868 >     * timed invokeAll(c) returns results of all completed tasks
1869 >     */
1870 >    public void testTimedInvokeAll5() throws Exception {
1871 >        ExecutorService e =
1872 >            new ThreadPoolExecutor(2, 2,
1873 >                                   LONG_DELAY_MS, MILLISECONDS,
1874 >                                   new ArrayBlockingQueue<Runnable>(10));
1875 >        try {
1876 >            List<Callable<String>> l = new ArrayList<Callable<String>>();
1877 >            l.add(new StringTask());
1878 >            l.add(new StringTask());
1879 >            List<Future<String>> futures =
1880 >                e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS);
1881 >            assertEquals(2, futures.size());
1882 >            for (Future<String> future : futures)
1883 >                assertSame(TEST_STRING, future.get());
1884 >        } finally {
1885 >            joinPool(e);
1886          }
525        catch (NullPointerException n8){}  
1887      }
527    
1888  
1889      /**
1890 <     *  Test to verify execute will throw RejectedExcutionException
531 <     *  ThreadPoolExecutor will throw one when more runnables are
532 <     *  executed then will fit in the Queue.
1890 >     * timed invokeAll(c) cancels tasks not completed by timeout
1891       */
1892 <    public void testRejectedExecutedException(){
1893 <        ThreadPoolExecutor tpe = null;
1894 <        try{
1895 <            tpe = new ThreadPoolExecutor(1,1,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
1896 <        }catch(Exception e){}
1897 <        tpe.shutdown();
1898 <        try{
1899 <            tpe.execute(new Runnable(){
1900 <                    public void run(){
1901 <                        try{
1902 <                            Thread.sleep(1000);
1903 <                        }catch(InterruptedException e){}
1904 <                    }
1905 <                });
1906 <            fail("ThreadPoolExecutor - void execute(Runnable) should throw RejectedExecutionException");
1907 <        }catch(RejectedExecutionException sucess){}
1908 <        
1909 <        
1892 >    public void testTimedInvokeAll6() throws Exception {
1893 >        ExecutorService e =
1894 >            new ThreadPoolExecutor(2, 2,
1895 >                                   LONG_DELAY_MS, MILLISECONDS,
1896 >                                   new ArrayBlockingQueue<Runnable>(10));
1897 >        try {
1898 >            for (long timeout = timeoutMillis();;) {
1899 >                List<Callable<String>> tasks = new ArrayList<>();
1900 >                tasks.add(new StringTask("0"));
1901 >                tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING));
1902 >                tasks.add(new StringTask("2"));
1903 >                long startTime = System.nanoTime();
1904 >                List<Future<String>> futures =
1905 >                    e.invokeAll(tasks, timeout, MILLISECONDS);
1906 >                assertEquals(tasks.size(), futures.size());
1907 >                assertTrue(millisElapsedSince(startTime) >= timeout);
1908 >                for (Future future : futures)
1909 >                    assertTrue(future.isDone());
1910 >                assertTrue(futures.get(1).isCancelled());
1911 >                try {
1912 >                    assertEquals("0", futures.get(0).get());
1913 >                    assertEquals("2", futures.get(2).get());
1914 >                    break;
1915 >                } catch (CancellationException retryWithLongerTimeout) {
1916 >                    timeout *= 2;
1917 >                    if (timeout >= LONG_DELAY_MS / 2)
1918 >                        fail("expected exactly one task to be cancelled");
1919 >                }
1920 >            }
1921 >        } finally {
1922 >            joinPool(e);
1923 >        }
1924      }
1925 <    
1925 >
1926      /**
1927 <     *  Test to verify setCorePoolSize will throw IllegalArgumentException
1928 <     *  when given a negative
1927 >     * Execution continues if there is at least one thread even if
1928 >     * thread factory fails to create more
1929       */
1930 <    public void testIllegalArgumentException1(){
1931 <        ThreadPoolExecutor tpe = null;
1932 <        try{
1933 <            tpe = new ThreadPoolExecutor(1,2,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1934 <        }catch(Exception e){}
1935 <        try{
1936 <            tpe.setCorePoolSize(-1);
1937 <            fail("ThreadPoolExecutor - void setCorePoolSize(int) should throw IllegalArgumentException");
1938 <        }catch(IllegalArgumentException sucess){
1930 >    public void testFailingThreadFactory() throws InterruptedException {
1931 >        final ExecutorService e =
1932 >            new ThreadPoolExecutor(100, 100,
1933 >                                   LONG_DELAY_MS, MILLISECONDS,
1934 >                                   new LinkedBlockingQueue<Runnable>(),
1935 >                                   new FailingThreadFactory());
1936 >        try {
1937 >            final int TASKS = 100;
1938 >            final CountDownLatch done = new CountDownLatch(TASKS);
1939 >            for (int k = 0; k < TASKS; ++k)
1940 >                e.execute(new CheckedRunnable() {
1941 >                    public void realRun() {
1942 >                        done.countDown();
1943 >                    }});
1944 >            assertTrue(done.await(LONG_DELAY_MS, MILLISECONDS));
1945          } finally {
1946 <            tpe.shutdown();
1946 >            joinPool(e);
1947          }
1948 <    }  
1948 >    }
1949 >
1950 >    /**
1951 >     * allowsCoreThreadTimeOut is by default false.
1952 >     */
1953 >    public void testAllowsCoreThreadTimeOut() {
1954 >        final ThreadPoolExecutor p =
1955 >            new ThreadPoolExecutor(2, 2,
1956 >                                   1000, MILLISECONDS,
1957 >                                   new ArrayBlockingQueue<Runnable>(10));
1958 >        assertFalse(p.allowsCoreThreadTimeOut());
1959 >        joinPool(p);
1960 >    }
1961  
572    
1962      /**
1963 <     *  Test to verify setMaximumPoolSize(int) will throw IllegalArgumentException
1964 <     *  if given a value less the it's actual core pool size
1965 <     */  
1966 <    public void testIllegalArgumentException2(){
1967 <        ThreadPoolExecutor tpe = null;
1968 <        try{
1969 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1970 <        }catch(Exception e){}
1971 <        try{
1972 <            tpe.setMaximumPoolSize(1);
1973 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
1974 <        }catch(IllegalArgumentException sucess){
1963 >     * allowCoreThreadTimeOut(true) causes idle threads to time out
1964 >     */
1965 >    public void testAllowCoreThreadTimeOut_true() throws Exception {
1966 >        long keepAliveTime = timeoutMillis();
1967 >        final ThreadPoolExecutor p =
1968 >            new ThreadPoolExecutor(2, 10,
1969 >                                   keepAliveTime, MILLISECONDS,
1970 >                                   new ArrayBlockingQueue<Runnable>(10));
1971 >        final CountDownLatch threadStarted = new CountDownLatch(1);
1972 >        try {
1973 >            p.allowCoreThreadTimeOut(true);
1974 >            p.execute(new CheckedRunnable() {
1975 >                public void realRun() {
1976 >                    threadStarted.countDown();
1977 >                    assertEquals(1, p.getPoolSize());
1978 >                }});
1979 >            await(threadStarted);
1980 >            delay(keepAliveTime);
1981 >            long startTime = System.nanoTime();
1982 >            while (p.getPoolSize() > 0
1983 >                   && millisElapsedSince(startTime) < LONG_DELAY_MS)
1984 >                Thread.yield();
1985 >            assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS);
1986 >            assertEquals(0, p.getPoolSize());
1987          } finally {
1988 <            tpe.shutdown();
1988 >            joinPool(p);
1989          }
1990      }
1991 <    
1991 >
1992      /**
1993 <     *  Test to verify that setMaximumPoolSize will throw IllegalArgumentException
593 <     *  if given a negative number
1993 >     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1994       */
1995 <    public void testIllegalArgumentException2SP(){
1996 <        ThreadPoolExecutor tpe = null;
1997 <        try{
1998 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
1999 <        }catch(Exception e){}
2000 <        try{
2001 <            tpe.setMaximumPoolSize(-1);
2002 <            fail("ThreadPoolExecutor - void setMaximumPoolSize(int) should throw IllegalArgumentException");
2003 <        }catch(IllegalArgumentException sucess){
1995 >    public void testAllowCoreThreadTimeOut_false() throws Exception {
1996 >        long keepAliveTime = timeoutMillis();
1997 >        final ThreadPoolExecutor p =
1998 >            new ThreadPoolExecutor(2, 10,
1999 >                                   keepAliveTime, MILLISECONDS,
2000 >                                   new ArrayBlockingQueue<Runnable>(10));
2001 >        final CountDownLatch threadStarted = new CountDownLatch(1);
2002 >        try {
2003 >            p.allowCoreThreadTimeOut(false);
2004 >            p.execute(new CheckedRunnable() {
2005 >                public void realRun() throws InterruptedException {
2006 >                    threadStarted.countDown();
2007 >                    assertTrue(p.getPoolSize() >= 1);
2008 >                }});
2009 >            delay(2 * keepAliveTime);
2010 >            assertTrue(p.getPoolSize() >= 1);
2011          } finally {
2012 <            tpe.shutdown();
2012 >            joinPool(p);
2013          }
2014      }
608    
2015  
2016      /**
2017 <     *  Test to verify setKeepAliveTime will throw IllegalArgumentException
2018 <     *  when given a negative value
2017 >     * execute allows the same task to be submitted multiple times, even
2018 >     * if rejected
2019       */
2020 <    public void testIllegalArgumentException3(){
2021 <        ThreadPoolExecutor tpe = null;
2022 <        try{
2023 <            tpe = new ThreadPoolExecutor(2,3,100,TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
2024 <        }catch(Exception e){}
2025 <        
2026 <        try{
2027 <            tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
2028 <            fail("ThreadPoolExecutor - void setKeepAliveTime(long, TimeUnit) should throw IllegalArgumentException");
2029 <        }catch(IllegalArgumentException sucess){
2020 >    public void testRejectedRecycledTask() throws InterruptedException {
2021 >        final int nTasks = 1000;
2022 >        final CountDownLatch done = new CountDownLatch(nTasks);
2023 >        final Runnable recycledTask = new Runnable() {
2024 >            public void run() {
2025 >                done.countDown();
2026 >            }};
2027 >        final ThreadPoolExecutor p =
2028 >            new ThreadPoolExecutor(1, 30,
2029 >                                   60, SECONDS,
2030 >                                   new ArrayBlockingQueue(30));
2031 >        try {
2032 >            for (int i = 0; i < nTasks; ++i) {
2033 >                for (;;) {
2034 >                    try {
2035 >                        p.execute(recycledTask);
2036 >                        break;
2037 >                    }
2038 >                    catch (RejectedExecutionException ignore) {}
2039 >                }
2040 >            }
2041 >            // enough time to run all tasks
2042 >            assertTrue(done.await(nTasks * SHORT_DELAY_MS, MILLISECONDS));
2043          } finally {
2044 <            tpe.shutdown();
2044 >            joinPool(p);
2045          }
2046      }
2047 <  
629 <    
630 <  
2047 >
2048   }

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