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root/jsr166/jsr166/src/test/tck/ThreadPoolExecutorTest.java
Revision: 1.22
Committed: Mon May 9 17:15:27 2005 UTC (19 years ago) by dl
Branch: MAIN
Changes since 1.21: +3 -0 lines
Log Message: 
Fix timeouts

File Contents

# User Rev Content
1 dl 1.1 /*
2 dl 1.15 * 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/licenses/publicdomain
5     * Other contributors include Andrew Wright, Jeffrey Hayes,
6     * Pat Fisher, Mike Judd.
7 dl 1.1 */
8    
9     import java.util.concurrent.*;
10     import junit.framework.*;
11 dl 1.12 import java.util.*;
12 dl 1.1
13 dl 1.3 public class ThreadPoolExecutorTest extends JSR166TestCase {
14 dl 1.1 public static void main(String[] args) {
15     junit.textui.TestRunner.run (suite());
16     }
17     public static Test suite() {
18     return new TestSuite(ThreadPoolExecutorTest.class);
19     }
20    
21 dl 1.8 static class ExtendedTPE extends ThreadPoolExecutor {
22     volatile boolean beforeCalled = false;
23     volatile boolean afterCalled = false;
24     volatile boolean terminatedCalled = false;
25     public ExtendedTPE() {
26     super(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new SynchronousQueue<Runnable>());
27     }
28     protected void beforeExecute(Thread t, Runnable r) {
29     beforeCalled = true;
30     }
31     protected void afterExecute(Runnable r, Throwable t) {
32     afterCalled = true;
33     }
34     protected void terminated() {
35     terminatedCalled = true;
36     }
37     }
38 dl 1.1
39 dl 1.19 static class FailingThreadFactory implements ThreadFactory{
40     int calls = 0;
41     public Thread newThread(Runnable r){
42 dl 1.20 if (++calls > 1) return null;
43 dl 1.19 return new Thread(r);
44     }
45     }
46    
47    
48 dl 1.3 /**
49 dl 1.8 * execute successfully executes a runnable
50 dl 1.1 */
51 dl 1.5 public void testExecute() {
52 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
53 dl 1.1 try {
54 dl 1.5 p1.execute(new Runnable() {
55     public void run() {
56     try {
57 dl 1.1 Thread.sleep(SHORT_DELAY_MS);
58 dl 1.2 } catch(InterruptedException e){
59 dl 1.5 threadUnexpectedException();
60 dl 1.1 }
61     }
62     });
63 dl 1.3 Thread.sleep(SMALL_DELAY_MS);
64 dl 1.2 } catch(InterruptedException e){
65 dl 1.5 unexpectedException();
66 dl 1.3 }
67 dl 1.5 joinPool(p1);
68 dl 1.1 }
69    
70     /**
71 dl 1.6 * getActiveCount increases but doesn't overestimate, when a
72     * thread becomes active
73 dl 1.1 */
74 dl 1.5 public void testGetActiveCount() {
75 dl 1.8 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
76 dl 1.5 assertEquals(0, p2.getActiveCount());
77     p2.execute(new MediumRunnable());
78     try {
79 dl 1.3 Thread.sleep(SHORT_DELAY_MS);
80     } catch(Exception e){
81 dl 1.5 unexpectedException();
82 dl 1.1 }
83 dl 1.5 assertEquals(1, p2.getActiveCount());
84     joinPool(p2);
85 dl 1.1 }
86 dl 1.8
87     /**
88     * prestartCoreThread starts a thread if under corePoolSize, else doesn't
89     */
90     public void testPrestartCoreThread() {
91     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
92     assertEquals(0, p2.getPoolSize());
93     assertTrue(p2.prestartCoreThread());
94     assertEquals(1, p2.getPoolSize());
95     assertTrue(p2.prestartCoreThread());
96     assertEquals(2, p2.getPoolSize());
97     assertFalse(p2.prestartCoreThread());
98     assertEquals(2, p2.getPoolSize());
99     joinPool(p2);
100     }
101    
102     /**
103     * prestartAllCoreThreads starts all corePoolSize threads
104     */
105     public void testPrestartAllCoreThreads() {
106     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
107     assertEquals(0, p2.getPoolSize());
108     p2.prestartAllCoreThreads();
109     assertEquals(2, p2.getPoolSize());
110     p2.prestartAllCoreThreads();
111     assertEquals(2, p2.getPoolSize());
112     joinPool(p2);
113     }
114 dl 1.1
115     /**
116 dl 1.6 * getCompletedTaskCount increases, but doesn't overestimate,
117     * when tasks complete
118 dl 1.1 */
119 dl 1.5 public void testGetCompletedTaskCount() {
120 dl 1.8 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
121 dl 1.5 assertEquals(0, p2.getCompletedTaskCount());
122     p2.execute(new ShortRunnable());
123     try {
124 dl 1.8 Thread.sleep(SMALL_DELAY_MS);
125 dl 1.3 } catch(Exception e){
126 dl 1.5 unexpectedException();
127 dl 1.1 }
128 dl 1.5 assertEquals(1, p2.getCompletedTaskCount());
129 dl 1.17 try { p2.shutdown(); } catch(SecurityException ok) { return; }
130 dl 1.5 joinPool(p2);
131 dl 1.1 }
132    
133     /**
134 dl 1.6 * getCorePoolSize returns size given in constructor if not otherwise set
135 dl 1.1 */
136 dl 1.5 public void testGetCorePoolSize() {
137 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
138 dl 1.5 assertEquals(1, p1.getCorePoolSize());
139     joinPool(p1);
140 dl 1.1 }
141    
142     /**
143 dl 1.6 * getKeepAliveTime returns value given in constructor if not otherwise set
144 dl 1.1 */
145 dl 1.5 public void testGetKeepAliveTime() {
146     ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
147     assertEquals(1, p2.getKeepAliveTime(TimeUnit.SECONDS));
148     joinPool(p2);
149 dl 1.1 }
150 dl 1.8
151    
152     /**
153     * getThreadFactory returns factory in constructor if not set
154     */
155     public void testGetThreadFactory() {
156     ThreadFactory tf = new SimpleThreadFactory();
157     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), tf, new NoOpREHandler());
158     assertSame(tf, p.getThreadFactory());
159     joinPool(p);
160     }
161    
162     /**
163     * setThreadFactory sets the thread factory returned by getThreadFactory
164     */
165     public void testSetThreadFactory() {
166     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
167     ThreadFactory tf = new SimpleThreadFactory();
168     p.setThreadFactory(tf);
169     assertSame(tf, p.getThreadFactory());
170     joinPool(p);
171     }
172    
173    
174     /**
175     * setThreadFactory(null) throws NPE
176     */
177     public void testSetThreadFactoryNull() {
178     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
179     try {
180     p.setThreadFactory(null);
181     shouldThrow();
182     } catch (NullPointerException success) {
183     } finally {
184     joinPool(p);
185     }
186     }
187    
188 dl 1.9 /**
189     * getRejectedExecutionHandler returns handler in constructor if not set
190     */
191     public void testGetRejectedExecutionHandler() {
192     RejectedExecutionHandler h = new NoOpREHandler();
193     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10), h);
194     assertSame(h, p.getRejectedExecutionHandler());
195     joinPool(p);
196     }
197    
198     /**
199     * setRejectedExecutionHandler sets the handler returned by
200     * getRejectedExecutionHandler
201     */
202     public void testSetRejectedExecutionHandler() {
203     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
204     RejectedExecutionHandler h = new NoOpREHandler();
205     p.setRejectedExecutionHandler(h);
206     assertSame(h, p.getRejectedExecutionHandler());
207     joinPool(p);
208     }
209    
210    
211     /**
212     * setRejectedExecutionHandler(null) throws NPE
213     */
214     public void testSetRejectedExecutionHandlerNull() {
215     ThreadPoolExecutor p = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
216     try {
217     p.setRejectedExecutionHandler(null);
218     shouldThrow();
219     } catch (NullPointerException success) {
220     } finally {
221     joinPool(p);
222     }
223     }
224    
225 dl 1.1
226     /**
227 dl 1.6 * getLargestPoolSize increases, but doesn't overestimate, when
228     * multiple threads active
229 dl 1.1 */
230 dl 1.5 public void testGetLargestPoolSize() {
231 dl 1.8 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
232 dl 1.1 try {
233 dl 1.5 assertEquals(0, p2.getLargestPoolSize());
234     p2.execute(new MediumRunnable());
235     p2.execute(new MediumRunnable());
236 dl 1.3 Thread.sleep(SHORT_DELAY_MS);
237 dl 1.5 assertEquals(2, p2.getLargestPoolSize());
238 dl 1.3 } catch(Exception e){
239 dl 1.5 unexpectedException();
240 dl 1.3 }
241 dl 1.5 joinPool(p2);
242 dl 1.1 }
243    
244     /**
245 dl 1.6 * getMaximumPoolSize returns value given in constructor if not
246     * otherwise set
247 dl 1.1 */
248 dl 1.5 public void testGetMaximumPoolSize() {
249 dl 1.8 ThreadPoolExecutor p2 = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
250 dl 1.5 assertEquals(2, p2.getMaximumPoolSize());
251     joinPool(p2);
252 dl 1.1 }
253    
254     /**
255 dl 1.6 * getPoolSize increases, but doesn't overestimate, when threads
256     * become active
257 dl 1.1 */
258 dl 1.5 public void testGetPoolSize() {
259 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
260 dl 1.5 assertEquals(0, p1.getPoolSize());
261     p1.execute(new MediumRunnable());
262     assertEquals(1, p1.getPoolSize());
263     joinPool(p1);
264 dl 1.1 }
265    
266     /**
267 dl 1.8 * getTaskCount increases, but doesn't overestimate, when tasks submitted
268 dl 1.1 */
269 dl 1.5 public void testGetTaskCount() {
270 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
271 dl 1.1 try {
272 dl 1.5 assertEquals(0, p1.getTaskCount());
273     p1.execute(new MediumRunnable());
274 dl 1.3 Thread.sleep(SHORT_DELAY_MS);
275 dl 1.5 assertEquals(1, p1.getTaskCount());
276 dl 1.3 } catch(Exception e){
277 dl 1.5 unexpectedException();
278 dl 1.3 }
279 dl 1.5 joinPool(p1);
280 dl 1.1 }
281    
282     /**
283 dl 1.6 * isShutDown is false before shutdown, true after
284 dl 1.1 */
285 dl 1.5 public void testIsShutdown() {
286 dl 1.1
287 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
288 dl 1.5 assertFalse(p1.isShutdown());
289 dl 1.17 try { p1.shutdown(); } catch(SecurityException ok) { return; }
290 dl 1.5 assertTrue(p1.isShutdown());
291     joinPool(p1);
292 dl 1.1 }
293    
294    
295     /**
296 dl 1.6 * isTerminated is false before termination, true after
297 dl 1.1 */
298 dl 1.5 public void testIsTerminated() {
299 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
300 dl 1.6 assertFalse(p1.isTerminated());
301 dl 1.1 try {
302 dl 1.5 p1.execute(new MediumRunnable());
303 dl 1.1 } finally {
304 dl 1.17 try { p1.shutdown(); } catch(SecurityException ok) { return; }
305 dl 1.1 }
306 dl 1.3 try {
307 dl 1.5 assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
308     assertTrue(p1.isTerminated());
309 dl 1.3 } catch(Exception e){
310 dl 1.5 unexpectedException();
311     }
312     }
313    
314     /**
315 dl 1.6 * isTerminating is not true when running or when terminated
316 dl 1.5 */
317     public void testIsTerminating() {
318 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
319 dl 1.5 assertFalse(p1.isTerminating());
320     try {
321     p1.execute(new SmallRunnable());
322     assertFalse(p1.isTerminating());
323     } finally {
324 dl 1.17 try { p1.shutdown(); } catch(SecurityException ok) { return; }
325 dl 1.5 }
326     try {
327     assertTrue(p1.awaitTermination(LONG_DELAY_MS, TimeUnit.MILLISECONDS));
328     assertTrue(p1.isTerminated());
329     assertFalse(p1.isTerminating());
330     } catch(Exception e){
331     unexpectedException();
332 dl 1.3 }
333 dl 1.1 }
334    
335     /**
336 dl 1.8 * getQueue returns the work queue, which contains queued tasks
337     */
338     public void testGetQueue() {
339     BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
340     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
341 dl 1.11 FutureTask[] tasks = new FutureTask[5];
342 dl 1.8 for(int i = 0; i < 5; i++){
343 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
344 dl 1.8 p1.execute(tasks[i]);
345     }
346     try {
347     Thread.sleep(SHORT_DELAY_MS);
348     BlockingQueue<Runnable> wq = p1.getQueue();
349     assertSame(q, wq);
350     assertFalse(wq.contains(tasks[0]));
351     assertTrue(wq.contains(tasks[4]));
352 dl 1.22 for (int i = 1; i < 5; ++i)
353     tasks[i].cancel(true);
354     p1.shutdownNow();
355 dl 1.8 } catch(Exception e) {
356     unexpectedException();
357     } finally {
358     joinPool(p1);
359     }
360     }
361    
362     /**
363     * remove(task) removes queued task, and fails to remove active task
364     */
365     public void testRemove() {
366     BlockingQueue<Runnable> q = new ArrayBlockingQueue<Runnable>(10);
367     ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, q);
368 dl 1.11 FutureTask[] tasks = new FutureTask[5];
369 dl 1.8 for(int i = 0; i < 5; i++){
370 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
371 dl 1.8 p1.execute(tasks[i]);
372     }
373     try {
374     Thread.sleep(SHORT_DELAY_MS);
375     assertFalse(p1.remove(tasks[0]));
376     assertTrue(q.contains(tasks[4]));
377     assertTrue(q.contains(tasks[3]));
378     assertTrue(p1.remove(tasks[4]));
379     assertFalse(p1.remove(tasks[4]));
380     assertFalse(q.contains(tasks[4]));
381     assertTrue(q.contains(tasks[3]));
382     assertTrue(p1.remove(tasks[3]));
383     assertFalse(q.contains(tasks[3]));
384     } catch(Exception e) {
385     unexpectedException();
386     } finally {
387     joinPool(p1);
388     }
389     }
390    
391     /**
392 dl 1.6 * purge removes cancelled tasks from the queue
393 dl 1.1 */
394 dl 1.5 public void testPurge() {
395 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
396 dl 1.11 FutureTask[] tasks = new FutureTask[5];
397 dl 1.3 for(int i = 0; i < 5; i++){
398 dl 1.11 tasks[i] = new FutureTask(new MediumPossiblyInterruptedRunnable(), Boolean.TRUE);
399 dl 1.5 p1.execute(tasks[i]);
400 dl 1.3 }
401     tasks[4].cancel(true);
402     tasks[3].cancel(true);
403 dl 1.5 p1.purge();
404     long count = p1.getTaskCount();
405 dl 1.3 assertTrue(count >= 2 && count < 5);
406 dl 1.5 joinPool(p1);
407 dl 1.1 }
408    
409     /**
410 dl 1.6 * shutDownNow returns a list containing tasks that were not run
411 dl 1.1 */
412 dl 1.5 public void testShutDownNow() {
413 dl 1.8 ThreadPoolExecutor p1 = new ThreadPoolExecutor(1, 1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
414 dl 1.1 List l;
415     try {
416     for(int i = 0; i < 5; i++)
417 dl 1.5 p1.execute(new MediumPossiblyInterruptedRunnable());
418 dl 1.1 }
419     finally {
420 dl 1.17 try {
421     l = p1.shutdownNow();
422     } catch (SecurityException ok) { return; }
423    
424 dl 1.1 }
425 dl 1.5 assertTrue(p1.isShutdown());
426 dl 1.1 assertTrue(l.size() <= 4);
427     }
428    
429     // Exception Tests
430    
431    
432 dl 1.6 /**
433     * Constructor throws if corePoolSize argument is less than zero
434     */
435 dl 1.1 public void testConstructor1() {
436 dl 1.5 try {
437 dl 1.3 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
438 dl 1.5 shouldThrow();
439 dl 1.1 }
440 dl 1.3 catch (IllegalArgumentException success){}
441 dl 1.1 }
442    
443 dl 1.6 /**
444     * Constructor throws if maximumPoolSize is less than zero
445     */
446 dl 1.1 public void testConstructor2() {
447 dl 1.5 try {
448 dl 1.3 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
449 dl 1.5 shouldThrow();
450 dl 1.1 }
451 dl 1.3 catch (IllegalArgumentException success){}
452 dl 1.1 }
453    
454 dl 1.6 /**
455     * Constructor throws if maximumPoolSize is equal to zero
456     */
457 dl 1.1 public void testConstructor3() {
458 dl 1.5 try {
459 dl 1.3 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
460 dl 1.5 shouldThrow();
461 dl 1.1 }
462 dl 1.3 catch (IllegalArgumentException success){}
463 dl 1.1 }
464    
465 dl 1.6 /**
466     * Constructor throws if keepAliveTime is less than zero
467     */
468 dl 1.1 public void testConstructor4() {
469 dl 1.5 try {
470 dl 1.1 new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
471 dl 1.5 shouldThrow();
472 dl 1.1 }
473 dl 1.3 catch (IllegalArgumentException success){}
474 dl 1.1 }
475    
476 dl 1.6 /**
477     * Constructor throws if corePoolSize is greater than the maximumPoolSize
478     */
479 dl 1.1 public void testConstructor5() {
480 dl 1.5 try {
481 dl 1.3 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
482 dl 1.5 shouldThrow();
483 dl 1.1 }
484 dl 1.3 catch (IllegalArgumentException success){}
485 dl 1.1 }
486    
487 dl 1.6 /**
488     * Constructor throws if workQueue is set to null
489     */
490 dl 1.8 public void testConstructorNullPointerException() {
491 dl 1.5 try {
492 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null);
493 dl 1.5 shouldThrow();
494 dl 1.1 }
495 dl 1.3 catch (NullPointerException success){}
496 dl 1.1 }
497    
498    
499    
500 dl 1.6 /**
501     * Constructor throws if corePoolSize argument is less than zero
502     */
503 dl 1.1 public void testConstructor6() {
504 dl 1.5 try {
505 dl 1.7 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
506 dl 1.5 shouldThrow();
507 dl 1.3 } catch (IllegalArgumentException success){}
508 dl 1.1 }
509    
510 dl 1.6 /**
511     * Constructor throws if maximumPoolSize is less than zero
512     */
513 dl 1.1 public void testConstructor7() {
514 dl 1.5 try {
515 dl 1.8 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
516 dl 1.5 shouldThrow();
517 dl 1.1 }
518 dl 1.3 catch (IllegalArgumentException success){}
519 dl 1.1 }
520    
521 dl 1.6 /**
522     * Constructor throws if maximumPoolSize is equal to zero
523     */
524 dl 1.1 public void testConstructor8() {
525 dl 1.5 try {
526 dl 1.8 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
527 dl 1.5 shouldThrow();
528 dl 1.1 }
529 dl 1.3 catch (IllegalArgumentException success){}
530 dl 1.1 }
531    
532 dl 1.6 /**
533     * Constructor throws if keepAliveTime is less than zero
534     */
535 dl 1.1 public void testConstructor9() {
536 dl 1.5 try {
537 dl 1.7 new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
538 dl 1.5 shouldThrow();
539 dl 1.1 }
540 dl 1.3 catch (IllegalArgumentException success){}
541 dl 1.1 }
542    
543 dl 1.6 /**
544     * Constructor throws if corePoolSize is greater than the maximumPoolSize
545     */
546 dl 1.1 public void testConstructor10() {
547 dl 1.5 try {
548 dl 1.8 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory());
549 dl 1.5 shouldThrow();
550 dl 1.1 }
551 dl 1.3 catch (IllegalArgumentException success){}
552 dl 1.1 }
553    
554 dl 1.6 /**
555     * Constructor throws if workQueue is set to null
556     */
557 dl 1.8 public void testConstructorNullPointerException2() {
558 dl 1.5 try {
559 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory());
560 dl 1.5 shouldThrow();
561 dl 1.1 }
562 dl 1.3 catch (NullPointerException success){}
563 dl 1.1 }
564    
565 dl 1.6 /**
566     * Constructor throws if threadFactory is set to null
567     */
568 dl 1.8 public void testConstructorNullPointerException3() {
569 dl 1.5 try {
570 dl 1.1 ThreadFactory f = null;
571 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f);
572 dl 1.5 shouldThrow();
573 dl 1.1 }
574 dl 1.3 catch (NullPointerException success){}
575 dl 1.1 }
576    
577    
578 dl 1.6 /**
579     * Constructor throws if corePoolSize argument is less than zero
580     */
581 dl 1.1 public void testConstructor11() {
582 dl 1.5 try {
583 dl 1.8 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
584 dl 1.5 shouldThrow();
585 dl 1.1 }
586 dl 1.3 catch (IllegalArgumentException success){}
587 dl 1.1 }
588    
589 dl 1.6 /**
590     * Constructor throws if maximumPoolSize is less than zero
591     */
592 dl 1.1 public void testConstructor12() {
593 dl 1.5 try {
594 dl 1.8 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
595 dl 1.5 shouldThrow();
596 dl 1.1 }
597 dl 1.3 catch (IllegalArgumentException success){}
598 dl 1.1 }
599    
600 dl 1.6 /**
601     * Constructor throws if maximumPoolSize is equal to zero
602     */
603 dl 1.1 public void testConstructor13() {
604 dl 1.5 try {
605 dl 1.8 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
606 dl 1.5 shouldThrow();
607 dl 1.1 }
608 dl 1.3 catch (IllegalArgumentException success){}
609 dl 1.1 }
610    
611 dl 1.6 /**
612     * Constructor throws if keepAliveTime is less than zero
613     */
614 dl 1.1 public void testConstructor14() {
615 dl 1.5 try {
616 dl 1.7 new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
617 dl 1.5 shouldThrow();
618 dl 1.1 }
619 dl 1.3 catch (IllegalArgumentException success){}
620 dl 1.1 }
621    
622 dl 1.6 /**
623     * Constructor throws if corePoolSize is greater than the maximumPoolSize
624     */
625 dl 1.1 public void testConstructor15() {
626 dl 1.5 try {
627 dl 1.8 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new NoOpREHandler());
628 dl 1.5 shouldThrow();
629 dl 1.1 }
630 dl 1.3 catch (IllegalArgumentException success){}
631 dl 1.1 }
632    
633 dl 1.6 /**
634     * Constructor throws if workQueue is set to null
635     */
636 dl 1.8 public void testConstructorNullPointerException4() {
637 dl 1.5 try {
638 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new NoOpREHandler());
639 dl 1.5 shouldThrow();
640 dl 1.1 }
641 dl 1.3 catch (NullPointerException success){}
642 dl 1.1 }
643    
644 dl 1.6 /**
645     * Constructor throws if handler is set to null
646     */
647 dl 1.8 public void testConstructorNullPointerException5() {
648 dl 1.5 try {
649 dl 1.1 RejectedExecutionHandler r = null;
650 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),r);
651 dl 1.5 shouldThrow();
652 dl 1.1 }
653 dl 1.3 catch (NullPointerException success){}
654 dl 1.1 }
655    
656    
657 dl 1.6 /**
658     * Constructor throws if corePoolSize argument is less than zero
659     */
660 dl 1.1 public void testConstructor16() {
661 dl 1.5 try {
662 dl 1.8 new ThreadPoolExecutor(-1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
663 dl 1.5 shouldThrow();
664 dl 1.1 }
665 dl 1.3 catch (IllegalArgumentException success){}
666 dl 1.1 }
667    
668 dl 1.6 /**
669     * Constructor throws if maximumPoolSize is less than zero
670     */
671 dl 1.1 public void testConstructor17() {
672 dl 1.5 try {
673 dl 1.8 new ThreadPoolExecutor(1,-1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
674 dl 1.5 shouldThrow();
675 dl 1.1 }
676 dl 1.3 catch (IllegalArgumentException success){}
677 dl 1.1 }
678    
679 dl 1.6 /**
680     * Constructor throws if maximumPoolSize is equal to zero
681     */
682 dl 1.1 public void testConstructor18() {
683 dl 1.5 try {
684 dl 1.8 new ThreadPoolExecutor(1,0,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
685 dl 1.5 shouldThrow();
686 dl 1.1 }
687 dl 1.3 catch (IllegalArgumentException success){}
688 dl 1.1 }
689    
690 dl 1.6 /**
691     * Constructor throws if keepAliveTime is less than zero
692     */
693 dl 1.1 public void testConstructor19() {
694 dl 1.5 try {
695 dl 1.7 new ThreadPoolExecutor(1,2,-1L,TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
696 dl 1.5 shouldThrow();
697 dl 1.1 }
698 dl 1.3 catch (IllegalArgumentException success){}
699 dl 1.1 }
700    
701 dl 1.6 /**
702     * Constructor throws if corePoolSize is greater than the maximumPoolSize
703     */
704 dl 1.1 public void testConstructor20() {
705 dl 1.5 try {
706 dl 1.8 new ThreadPoolExecutor(2,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),new NoOpREHandler());
707 dl 1.5 shouldThrow();
708 dl 1.1 }
709 dl 1.3 catch (IllegalArgumentException success){}
710 dl 1.1 }
711    
712 dl 1.6 /**
713     * Constructor throws if workQueue is set to null
714     */
715 dl 1.8 public void testConstructorNullPointerException6() {
716 dl 1.5 try {
717 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,null,new SimpleThreadFactory(),new NoOpREHandler());
718 dl 1.5 shouldThrow();
719 dl 1.1 }
720 dl 1.3 catch (NullPointerException success){}
721 dl 1.1 }
722    
723 dl 1.6 /**
724     * Constructor throws if handler is set to null
725     */
726 dl 1.8 public void testConstructorNullPointerException7() {
727 dl 1.5 try {
728 dl 1.1 RejectedExecutionHandler r = null;
729 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),new SimpleThreadFactory(),r);
730 dl 1.5 shouldThrow();
731 dl 1.1 }
732 dl 1.3 catch (NullPointerException success){}
733 dl 1.1 }
734    
735 dl 1.6 /**
736     * Constructor throws if ThreadFactory is set top null
737     */
738 dl 1.8 public void testConstructorNullPointerException8() {
739 dl 1.5 try {
740 dl 1.1 ThreadFactory f = null;
741 dl 1.8 new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10),f,new NoOpREHandler());
742 dl 1.5 shouldThrow();
743 dl 1.1 }
744 dl 1.3 catch (NullPointerException successdn8){}
745 dl 1.1 }
746    
747    
748     /**
749 dl 1.8 * execute throws RejectedExecutionException
750     * if saturated.
751     */
752     public void testSaturatedExecute() {
753     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1));
754     try {
755    
756     for(int i = 0; i < 5; ++i){
757     p.execute(new MediumRunnable());
758     }
759     shouldThrow();
760     } catch(RejectedExecutionException success){}
761     joinPool(p);
762     }
763    
764     /**
765     * executor using CallerRunsPolicy runs task if saturated.
766     */
767     public void testSaturatedExecute2() {
768     RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
769     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
770     try {
771    
772     TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
773     for(int i = 0; i < 5; ++i){
774     tasks[i] = new TrackedNoOpRunnable();
775     }
776     TrackedLongRunnable mr = new TrackedLongRunnable();
777     p.execute(mr);
778     for(int i = 0; i < 5; ++i){
779     p.execute(tasks[i]);
780     }
781     for(int i = 1; i < 5; ++i) {
782     assertTrue(tasks[i].done);
783     }
784 dl 1.18 try { p.shutdownNow(); } catch(SecurityException ok) { return; }
785 dl 1.8 } catch(RejectedExecutionException ex){
786     unexpectedException();
787     } finally {
788     joinPool(p);
789     }
790     }
791    
792     /**
793     * executor using DiscardPolicy drops task if saturated.
794     */
795     public void testSaturatedExecute3() {
796     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
797     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
798     try {
799    
800     TrackedNoOpRunnable[] tasks = new TrackedNoOpRunnable[5];
801     for(int i = 0; i < 5; ++i){
802     tasks[i] = new TrackedNoOpRunnable();
803     }
804     p.execute(new TrackedLongRunnable());
805     for(int i = 0; i < 5; ++i){
806     p.execute(tasks[i]);
807     }
808     for(int i = 0; i < 5; ++i){
809     assertFalse(tasks[i].done);
810     }
811 dl 1.18 try { p.shutdownNow(); } catch(SecurityException ok) { return; }
812 dl 1.8 } catch(RejectedExecutionException ex){
813     unexpectedException();
814     } finally {
815     joinPool(p);
816     }
817     }
818    
819     /**
820     * executor using DiscardOldestPolicy drops oldest task if saturated.
821     */
822     public void testSaturatedExecute4() {
823     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
824     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
825     try {
826     p.execute(new TrackedLongRunnable());
827     TrackedLongRunnable r2 = new TrackedLongRunnable();
828     p.execute(r2);
829     assertTrue(p.getQueue().contains(r2));
830     TrackedNoOpRunnable r3 = new TrackedNoOpRunnable();
831     p.execute(r3);
832     assertFalse(p.getQueue().contains(r2));
833     assertTrue(p.getQueue().contains(r3));
834 dl 1.18 try { p.shutdownNow(); } catch(SecurityException ok) { return; }
835 dl 1.8 } catch(RejectedExecutionException ex){
836     unexpectedException();
837     } finally {
838     joinPool(p);
839     }
840     }
841    
842     /**
843 dl 1.6 * execute throws RejectedExecutionException if shutdown
844 dl 1.1 */
845 dl 1.8 public void testRejectedExecutionExceptionOnShutdown() {
846     ThreadPoolExecutor tpe =
847     new ThreadPoolExecutor(1,1,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(1));
848 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
849 dl 1.5 try {
850 dl 1.3 tpe.execute(new NoOpRunnable());
851 dl 1.5 shouldThrow();
852 dl 1.2 } catch(RejectedExecutionException success){}
853 dl 1.1
854 dl 1.3 joinPool(tpe);
855 dl 1.1 }
856 dl 1.6
857     /**
858 dl 1.8 * execute using CallerRunsPolicy drops task on shutdown
859     */
860     public void testCallerRunsOnShutdown() {
861     RejectedExecutionHandler h = new ThreadPoolExecutor.CallerRunsPolicy();
862     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
863    
864 dl 1.17 try { p.shutdown(); } catch(SecurityException ok) { return; }
865 dl 1.8 try {
866     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
867     p.execute(r);
868     assertFalse(r.done);
869     } catch(RejectedExecutionException success){
870     unexpectedException();
871     } finally {
872     joinPool(p);
873     }
874     }
875    
876     /**
877     * execute using DiscardPolicy drops task on shutdown
878     */
879     public void testDiscardOnShutdown() {
880     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardPolicy();
881     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
882    
883 dl 1.17 try { p.shutdown(); } catch(SecurityException ok) { return; }
884 dl 1.8 try {
885     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
886     p.execute(r);
887     assertFalse(r.done);
888     } catch(RejectedExecutionException success){
889     unexpectedException();
890     } finally {
891     joinPool(p);
892     }
893     }
894    
895    
896     /**
897     * execute using DiscardOldestPolicy drops task on shutdown
898 dl 1.6 */
899 dl 1.8 public void testDiscardOldestOnShutdown() {
900     RejectedExecutionHandler h = new ThreadPoolExecutor.DiscardOldestPolicy();
901     ThreadPoolExecutor p = new ThreadPoolExecutor(1,1, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(1), h);
902    
903 dl 1.17 try { p.shutdown(); } catch(SecurityException ok) { return; }
904 dl 1.8 try {
905     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
906     p.execute(r);
907     assertFalse(r.done);
908     } catch(RejectedExecutionException success){
909     unexpectedException();
910     } finally {
911     joinPool(p);
912     }
913 dl 1.6 }
914    
915 dl 1.8
916 dl 1.6 /**
917     * execute (null) throws NPE
918     */
919     public void testExecuteNull() {
920     ThreadPoolExecutor tpe = null;
921     try {
922 dl 1.8 tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
923 dl 1.6 tpe.execute(null);
924     shouldThrow();
925     } catch(NullPointerException success){}
926    
927     joinPool(tpe);
928     }
929 dl 1.1
930     /**
931 dl 1.8 * setCorePoolSize of negative value throws IllegalArgumentException
932 dl 1.1 */
933 dl 1.5 public void testCorePoolSizeIllegalArgumentException() {
934 dl 1.1 ThreadPoolExecutor tpe = null;
935 dl 1.5 try {
936 dl 1.8 tpe = new ThreadPoolExecutor(1,2,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
937 dl 1.2 } catch(Exception e){}
938 dl 1.5 try {
939 dl 1.1 tpe.setCorePoolSize(-1);
940 dl 1.5 shouldThrow();
941 dl 1.2 } catch(IllegalArgumentException success){
942 dl 1.1 } finally {
943 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
944 dl 1.1 }
945 dl 1.3 joinPool(tpe);
946 dl 1.1 }
947    
948     /**
949 dl 1.6 * setMaximumPoolSize(int) throws IllegalArgumentException if
950     * given a value less the core pool size
951 dl 1.1 */
952 dl 1.5 public void testMaximumPoolSizeIllegalArgumentException() {
953 dl 1.1 ThreadPoolExecutor tpe = null;
954 dl 1.5 try {
955 dl 1.8 tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
956 dl 1.2 } catch(Exception e){}
957 dl 1.5 try {
958 dl 1.1 tpe.setMaximumPoolSize(1);
959 dl 1.5 shouldThrow();
960 dl 1.2 } catch(IllegalArgumentException success){
961 dl 1.1 } finally {
962 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
963 dl 1.1 }
964 dl 1.3 joinPool(tpe);
965 dl 1.1 }
966    
967     /**
968 dl 1.6 * setMaximumPoolSize throws IllegalArgumentException
969     * if given a negative value
970 dl 1.1 */
971 dl 1.5 public void testMaximumPoolSizeIllegalArgumentException2() {
972 dl 1.1 ThreadPoolExecutor tpe = null;
973 dl 1.5 try {
974 dl 1.8 tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
975 dl 1.2 } catch(Exception e){}
976 dl 1.5 try {
977 dl 1.1 tpe.setMaximumPoolSize(-1);
978 dl 1.5 shouldThrow();
979 dl 1.2 } catch(IllegalArgumentException success){
980 dl 1.1 } finally {
981 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
982 dl 1.1 }
983 dl 1.3 joinPool(tpe);
984 dl 1.1 }
985    
986    
987     /**
988 dl 1.6 * setKeepAliveTime throws IllegalArgumentException
989 dl 1.1 * when given a negative value
990     */
991 dl 1.5 public void testKeepAliveTimeIllegalArgumentException() {
992 dl 1.1 ThreadPoolExecutor tpe = null;
993 dl 1.5 try {
994 dl 1.8 tpe = new ThreadPoolExecutor(2,3,LONG_DELAY_MS, TimeUnit.MILLISECONDS,new ArrayBlockingQueue<Runnable>(10));
995 dl 1.2 } catch(Exception e){}
996 dl 1.1
997 dl 1.5 try {
998 dl 1.1 tpe.setKeepAliveTime(-1,TimeUnit.MILLISECONDS);
999 dl 1.5 shouldThrow();
1000 dl 1.2 } catch(IllegalArgumentException success){
1001 dl 1.1 } finally {
1002 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
1003 dl 1.1 }
1004 dl 1.3 joinPool(tpe);
1005 dl 1.1 }
1006 dl 1.8
1007     /**
1008     * terminated() is called on termination
1009     */
1010     public void testTerminated() {
1011     ExtendedTPE tpe = new ExtendedTPE();
1012 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
1013 dl 1.8 assertTrue(tpe.terminatedCalled);
1014     joinPool(tpe);
1015     }
1016    
1017     /**
1018     * beforeExecute and afterExecute are called when executing task
1019     */
1020     public void testBeforeAfter() {
1021     ExtendedTPE tpe = new ExtendedTPE();
1022     try {
1023     TrackedNoOpRunnable r = new TrackedNoOpRunnable();
1024     tpe.execute(r);
1025     Thread.sleep(SHORT_DELAY_MS);
1026     assertTrue(r.done);
1027     assertTrue(tpe.beforeCalled);
1028     assertTrue(tpe.afterCalled);
1029 dl 1.17 try { tpe.shutdown(); } catch(SecurityException ok) { return; }
1030 dl 1.8 }
1031     catch(Exception ex) {
1032     unexpectedException();
1033     } finally {
1034     joinPool(tpe);
1035     }
1036     }
1037 dl 1.12
1038     /**
1039     * completed submit of callable returns result
1040     */
1041     public void testSubmitCallable() {
1042     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1043     try {
1044     Future<String> future = e.submit(new StringTask());
1045     String result = future.get();
1046     assertSame(TEST_STRING, result);
1047     }
1048     catch (ExecutionException ex) {
1049     unexpectedException();
1050     }
1051     catch (InterruptedException ex) {
1052     unexpectedException();
1053     } finally {
1054     joinPool(e);
1055     }
1056     }
1057    
1058     /**
1059     * completed submit of runnable returns successfully
1060     */
1061     public void testSubmitRunnable() {
1062     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1063     try {
1064     Future<?> future = e.submit(new NoOpRunnable());
1065     future.get();
1066     assertTrue(future.isDone());
1067     }
1068     catch (ExecutionException ex) {
1069     unexpectedException();
1070     }
1071     catch (InterruptedException ex) {
1072     unexpectedException();
1073     } finally {
1074     joinPool(e);
1075     }
1076     }
1077    
1078     /**
1079     * completed submit of (runnable, result) returns result
1080     */
1081     public void testSubmitRunnable2() {
1082     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1083     try {
1084     Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING);
1085     String result = future.get();
1086     assertSame(TEST_STRING, result);
1087     }
1088     catch (ExecutionException ex) {
1089     unexpectedException();
1090     }
1091     catch (InterruptedException ex) {
1092     unexpectedException();
1093     } finally {
1094     joinPool(e);
1095     }
1096     }
1097    
1098    
1099    
1100    
1101    
1102     /**
1103     * invokeAny(null) throws NPE
1104     */
1105     public void testInvokeAny1() {
1106     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1107     try {
1108     e.invokeAny(null);
1109     } catch (NullPointerException success) {
1110     } catch(Exception ex) {
1111     unexpectedException();
1112     } finally {
1113     joinPool(e);
1114     }
1115     }
1116    
1117     /**
1118     * invokeAny(empty collection) throws IAE
1119     */
1120     public void testInvokeAny2() {
1121     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1122     try {
1123     e.invokeAny(new ArrayList<Callable<String>>());
1124     } catch (IllegalArgumentException success) {
1125     } catch(Exception ex) {
1126     unexpectedException();
1127     } finally {
1128     joinPool(e);
1129     }
1130     }
1131    
1132     /**
1133     * invokeAny(c) throws NPE if c has null elements
1134     */
1135     public void testInvokeAny3() {
1136     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1137     try {
1138     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1139     l.add(new StringTask());
1140     l.add(null);
1141     e.invokeAny(l);
1142     } catch (NullPointerException success) {
1143     } catch(Exception ex) {
1144     unexpectedException();
1145     } finally {
1146     joinPool(e);
1147     }
1148     }
1149    
1150     /**
1151     * invokeAny(c) throws ExecutionException if no task completes
1152     */
1153     public void testInvokeAny4() {
1154     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1155     try {
1156     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1157     l.add(new NPETask());
1158     e.invokeAny(l);
1159     } catch (ExecutionException success) {
1160     } catch(Exception ex) {
1161     unexpectedException();
1162     } finally {
1163     joinPool(e);
1164     }
1165     }
1166    
1167     /**
1168     * invokeAny(c) returns result of some task
1169     */
1170     public void testInvokeAny5() {
1171     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1172     try {
1173     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1174     l.add(new StringTask());
1175     l.add(new StringTask());
1176     String result = e.invokeAny(l);
1177     assertSame(TEST_STRING, result);
1178     } catch (ExecutionException success) {
1179     } catch(Exception ex) {
1180     unexpectedException();
1181     } finally {
1182     joinPool(e);
1183     }
1184     }
1185    
1186     /**
1187     * invokeAll(null) throws NPE
1188     */
1189     public void testInvokeAll1() {
1190     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1191     try {
1192     e.invokeAll(null);
1193     } catch (NullPointerException success) {
1194     } catch(Exception ex) {
1195     unexpectedException();
1196     } finally {
1197     joinPool(e);
1198     }
1199     }
1200    
1201     /**
1202     * invokeAll(empty collection) returns empty collection
1203     */
1204     public void testInvokeAll2() {
1205     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1206     try {
1207     List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>());
1208     assertTrue(r.isEmpty());
1209     } catch(Exception ex) {
1210     unexpectedException();
1211     } finally {
1212     joinPool(e);
1213     }
1214     }
1215    
1216     /**
1217     * invokeAll(c) throws NPE if c has null elements
1218     */
1219     public void testInvokeAll3() {
1220     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1221     try {
1222     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1223     l.add(new StringTask());
1224     l.add(null);
1225     e.invokeAll(l);
1226     } catch (NullPointerException success) {
1227     } catch(Exception ex) {
1228     unexpectedException();
1229     } finally {
1230     joinPool(e);
1231     }
1232     }
1233    
1234     /**
1235     * get of element of invokeAll(c) throws exception on failed task
1236     */
1237     public void testInvokeAll4() {
1238     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1239     try {
1240     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1241     l.add(new NPETask());
1242     List<Future<String>> result = e.invokeAll(l);
1243     assertEquals(1, result.size());
1244     for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1245     it.next().get();
1246     } catch(ExecutionException success) {
1247     } catch(Exception ex) {
1248     unexpectedException();
1249     } finally {
1250     joinPool(e);
1251     }
1252     }
1253    
1254     /**
1255     * invokeAll(c) returns results of all completed tasks
1256     */
1257     public void testInvokeAll5() {
1258     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1259     try {
1260     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1261     l.add(new StringTask());
1262     l.add(new StringTask());
1263     List<Future<String>> result = e.invokeAll(l);
1264     assertEquals(2, result.size());
1265     for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1266     assertSame(TEST_STRING, it.next().get());
1267     } catch (ExecutionException success) {
1268     } catch(Exception ex) {
1269     unexpectedException();
1270     } finally {
1271     joinPool(e);
1272     }
1273     }
1274    
1275    
1276 dl 1.13
1277     /**
1278     * timed invokeAny(null) throws NPE
1279     */
1280     public void testTimedInvokeAny1() {
1281     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1282     try {
1283     e.invokeAny(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1284     } catch (NullPointerException success) {
1285     } catch(Exception ex) {
1286     unexpectedException();
1287     } finally {
1288     joinPool(e);
1289     }
1290     }
1291    
1292     /**
1293     * timed invokeAny(,,null) throws NPE
1294     */
1295     public void testTimedInvokeAnyNullTimeUnit() {
1296     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1297     try {
1298     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1299     l.add(new StringTask());
1300     e.invokeAny(l, MEDIUM_DELAY_MS, null);
1301     } catch (NullPointerException success) {
1302     } catch(Exception ex) {
1303     unexpectedException();
1304     } finally {
1305     joinPool(e);
1306     }
1307     }
1308    
1309     /**
1310     * timed invokeAny(empty collection) throws IAE
1311     */
1312     public void testTimedInvokeAny2() {
1313     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1314     try {
1315     e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1316     } catch (IllegalArgumentException success) {
1317     } catch(Exception ex) {
1318     unexpectedException();
1319     } finally {
1320     joinPool(e);
1321     }
1322     }
1323    
1324     /**
1325     * timed invokeAny(c) throws NPE if c has null elements
1326     */
1327     public void testTimedInvokeAny3() {
1328     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1329     try {
1330     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1331     l.add(new StringTask());
1332     l.add(null);
1333     e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1334     } catch (NullPointerException success) {
1335     } catch(Exception ex) {
1336     ex.printStackTrace();
1337     unexpectedException();
1338     } finally {
1339     joinPool(e);
1340     }
1341     }
1342    
1343     /**
1344     * timed invokeAny(c) throws ExecutionException if no task completes
1345     */
1346     public void testTimedInvokeAny4() {
1347     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1348     try {
1349     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1350     l.add(new NPETask());
1351     e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1352     } catch(ExecutionException success) {
1353     } catch(Exception ex) {
1354     unexpectedException();
1355     } finally {
1356     joinPool(e);
1357     }
1358     }
1359    
1360     /**
1361     * timed invokeAny(c) returns result of some task
1362     */
1363     public void testTimedInvokeAny5() {
1364     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1365     try {
1366     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1367     l.add(new StringTask());
1368     l.add(new StringTask());
1369     String result = e.invokeAny(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1370     assertSame(TEST_STRING, result);
1371     } catch (ExecutionException success) {
1372     } catch(Exception ex) {
1373     unexpectedException();
1374     } finally {
1375     joinPool(e);
1376     }
1377     }
1378    
1379     /**
1380     * timed invokeAll(null) throws NPE
1381     */
1382     public void testTimedInvokeAll1() {
1383     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1384     try {
1385     e.invokeAll(null, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1386     } catch (NullPointerException success) {
1387     } catch(Exception ex) {
1388     unexpectedException();
1389     } finally {
1390     joinPool(e);
1391     }
1392     }
1393    
1394     /**
1395     * timed invokeAll(,,null) throws NPE
1396     */
1397     public void testTimedInvokeAllNullTimeUnit() {
1398     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1399     try {
1400     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1401     l.add(new StringTask());
1402     e.invokeAll(l, MEDIUM_DELAY_MS, null);
1403     } catch (NullPointerException success) {
1404     } catch(Exception ex) {
1405     unexpectedException();
1406     } finally {
1407     joinPool(e);
1408     }
1409     }
1410    
1411     /**
1412     * timed invokeAll(empty collection) returns empty collection
1413     */
1414     public void testTimedInvokeAll2() {
1415     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1416     try {
1417     List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1418     assertTrue(r.isEmpty());
1419     } catch(Exception ex) {
1420     unexpectedException();
1421     } finally {
1422     joinPool(e);
1423     }
1424     }
1425    
1426     /**
1427     * timed invokeAll(c) throws NPE if c has null elements
1428     */
1429     public void testTimedInvokeAll3() {
1430     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1431     try {
1432     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1433     l.add(new StringTask());
1434     l.add(null);
1435     e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1436     } catch (NullPointerException success) {
1437     } catch(Exception ex) {
1438     unexpectedException();
1439     } finally {
1440     joinPool(e);
1441     }
1442     }
1443    
1444     /**
1445     * get of element of invokeAll(c) throws exception on failed task
1446     */
1447     public void testTimedInvokeAll4() {
1448     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1449     try {
1450     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1451     l.add(new NPETask());
1452     List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1453     assertEquals(1, result.size());
1454     for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1455     it.next().get();
1456     } catch(ExecutionException success) {
1457     } catch(Exception ex) {
1458     unexpectedException();
1459     } finally {
1460     joinPool(e);
1461     }
1462     }
1463    
1464     /**
1465     * timed invokeAll(c) returns results of all completed tasks
1466     */
1467     public void testTimedInvokeAll5() {
1468     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1469     try {
1470     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1471     l.add(new StringTask());
1472     l.add(new StringTask());
1473     List<Future<String>> result = e.invokeAll(l, MEDIUM_DELAY_MS, TimeUnit.MILLISECONDS);
1474     assertEquals(2, result.size());
1475     for (Iterator<Future<String>> it = result.iterator(); it.hasNext();)
1476     assertSame(TEST_STRING, it.next().get());
1477     } catch (ExecutionException success) {
1478     } catch(Exception ex) {
1479     unexpectedException();
1480     } finally {
1481     joinPool(e);
1482     }
1483     }
1484    
1485     /**
1486     * timed invokeAll(c) cancels tasks not completed by timeout
1487     */
1488     public void testTimedInvokeAll6() {
1489     ExecutorService e = new ThreadPoolExecutor(2, 2, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1490     try {
1491     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1492     l.add(new StringTask());
1493 dl 1.14 l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING));
1494 dl 1.16 l.add(new StringTask());
1495 dl 1.13 List<Future<String>> result = e.invokeAll(l, SHORT_DELAY_MS, TimeUnit.MILLISECONDS);
1496 dl 1.16 assertEquals(3, result.size());
1497 dl 1.13 Iterator<Future<String>> it = result.iterator();
1498     Future<String> f1 = it.next();
1499     Future<String> f2 = it.next();
1500 dl 1.16 Future<String> f3 = it.next();
1501 dl 1.13 assertTrue(f1.isDone());
1502 dl 1.16 assertTrue(f2.isDone());
1503     assertTrue(f3.isDone());
1504 dl 1.13 assertFalse(f1.isCancelled());
1505     assertTrue(f2.isCancelled());
1506     } catch(Exception ex) {
1507     unexpectedException();
1508     } finally {
1509     joinPool(e);
1510     }
1511     }
1512    
1513 dl 1.19 /**
1514     * Execution continues if there is at least one thread even if
1515     * thread factory fails to create more
1516     */
1517     public void testFailingThreadFactory() {
1518     ExecutorService e = new ThreadPoolExecutor(100, 100, LONG_DELAY_MS, TimeUnit.MILLISECONDS, new LinkedBlockingQueue<Runnable>(), new FailingThreadFactory());
1519     try {
1520     ArrayList<Callable<String>> l = new ArrayList<Callable<String>>();
1521     for (int k = 0; k < 100; ++k) {
1522     e.execute(new NoOpRunnable());
1523     }
1524     Thread.sleep(LONG_DELAY_MS);
1525     } catch(Exception ex) {
1526     unexpectedException();
1527     } finally {
1528     joinPool(e);
1529     }
1530     }
1531 dl 1.21
1532     /**
1533     * allowsCoreThreadTimeOut is by default false.
1534     */
1535     public void testAllowsCoreThreadTimeOut() {
1536     ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 2, 1000, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1537     assertFalse(tpe.allowsCoreThreadTimeOut());
1538     joinPool(tpe);
1539     }
1540    
1541     /**
1542     * allowCoreThreadTimeOut(true) causes idle threads to time out
1543     */
1544     public void testAllowCoreThreadTimeOut_true() {
1545     ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1546     tpe.allowCoreThreadTimeOut(true);
1547     tpe.execute(new NoOpRunnable());
1548     try {
1549     Thread.sleep(MEDIUM_DELAY_MS);
1550     assertEquals(0, tpe.getPoolSize());
1551     } catch(InterruptedException e){
1552     unexpectedException();
1553     } finally {
1554     joinPool(tpe);
1555     }
1556     }
1557    
1558     /**
1559     * allowCoreThreadTimeOut(false) causes idle threads not to time out
1560     */
1561     public void testAllowCoreThreadTimeOut_false() {
1562     ThreadPoolExecutor tpe = new ThreadPoolExecutor(2, 10, 10, TimeUnit.MILLISECONDS, new ArrayBlockingQueue<Runnable>(10));
1563     tpe.allowCoreThreadTimeOut(false);
1564     tpe.execute(new NoOpRunnable());
1565     try {
1566     Thread.sleep(MEDIUM_DELAY_MS);
1567     assertTrue(tpe.getPoolSize() >= 1);
1568     } catch(InterruptedException e){
1569     unexpectedException();
1570     } finally {
1571     joinPool(tpe);
1572     }
1573     }
1574    
1575 dl 1.1 }