4 |
|
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
|
*/ |
6 |
|
|
7 |
– |
import junit.framework.*; |
8 |
– |
import java.util.*; |
9 |
– |
import java.util.concurrent.*; |
7 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
8 |
+ |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
9 |
+ |
import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
+ |
|
11 |
+ |
import java.util.ArrayList; |
12 |
+ |
import java.util.Collection; |
13 |
+ |
import java.util.Collections; |
14 |
+ |
import java.util.HashSet; |
15 |
+ |
import java.util.List; |
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.Delayed; |
21 |
+ |
import java.util.concurrent.ExecutionException; |
22 |
+ |
import java.util.concurrent.ExecutorService; |
23 |
+ |
import java.util.concurrent.Future; |
24 |
+ |
import java.util.concurrent.RejectedExecutionException; |
25 |
+ |
import java.util.concurrent.RejectedExecutionHandler; |
26 |
+ |
import java.util.concurrent.RunnableScheduledFuture; |
27 |
+ |
import java.util.concurrent.ScheduledFuture; |
28 |
+ |
import java.util.concurrent.ScheduledThreadPoolExecutor; |
29 |
+ |
import java.util.concurrent.ThreadFactory; |
30 |
+ |
import java.util.concurrent.ThreadLocalRandom; |
31 |
+ |
import java.util.concurrent.ThreadPoolExecutor; |
32 |
+ |
import java.util.concurrent.TimeoutException; |
33 |
+ |
import java.util.concurrent.TimeUnit; |
34 |
+ |
import java.util.concurrent.atomic.AtomicBoolean; |
35 |
|
import java.util.concurrent.atomic.AtomicInteger; |
36 |
+ |
import java.util.concurrent.atomic.AtomicLong; |
37 |
+ |
import java.util.stream.Stream; |
38 |
+ |
|
39 |
+ |
import junit.framework.Test; |
40 |
+ |
import junit.framework.TestSuite; |
41 |
|
|
42 |
|
public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
43 |
|
public static void main(String[] args) { |
44 |
< |
junit.textui.TestRunner.run(suite()); |
44 |
> |
main(suite(), args); |
45 |
|
} |
46 |
|
public static Test suite() { |
47 |
|
return new TestSuite(ScheduledExecutorSubclassTest.class); |
48 |
|
} |
49 |
|
|
50 |
|
static class CustomTask<V> implements RunnableScheduledFuture<V> { |
51 |
< |
RunnableScheduledFuture<V> task; |
51 |
> |
private final RunnableScheduledFuture<V> task; |
52 |
|
volatile boolean ran; |
53 |
< |
CustomTask(RunnableScheduledFuture<V> t) { task = t; } |
53 |
> |
CustomTask(RunnableScheduledFuture<V> task) { this.task = task; } |
54 |
|
public boolean isPeriodic() { return task.isPeriodic(); } |
55 |
|
public void run() { |
56 |
|
ran = true; |
105 |
|
* execute successfully executes a runnable |
106 |
|
*/ |
107 |
|
public void testExecute() throws InterruptedException { |
108 |
< |
CustomExecutor p = new CustomExecutor(1); |
109 |
< |
final CountDownLatch done = new CountDownLatch(1); |
110 |
< |
final Runnable task = new CheckedRunnable() { |
111 |
< |
public void realRun() { |
112 |
< |
done.countDown(); |
84 |
< |
}}; |
85 |
< |
try { |
108 |
> |
final CustomExecutor p = new CustomExecutor(1); |
109 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
110 |
> |
final CountDownLatch done = new CountDownLatch(1); |
111 |
> |
final Runnable task = new CheckedRunnable() { |
112 |
> |
public void realRun() { done.countDown(); }}; |
113 |
|
p.execute(task); |
114 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
88 |
< |
} finally { |
89 |
< |
joinPool(p); |
114 |
> |
await(done); |
115 |
|
} |
116 |
|
} |
117 |
|
|
119 |
|
* delayed schedule of callable successfully executes after delay |
120 |
|
*/ |
121 |
|
public void testSchedule1() throws Exception { |
97 |
– |
CustomExecutor p = new CustomExecutor(1); |
98 |
– |
final long startTime = System.nanoTime(); |
122 |
|
final CountDownLatch done = new CountDownLatch(1); |
123 |
< |
try { |
123 |
> |
final CustomExecutor p = new CustomExecutor(1); |
124 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
125 |
> |
final long startTime = System.nanoTime(); |
126 |
|
Callable task = new CheckedCallable<Boolean>() { |
127 |
|
public Boolean realCall() { |
128 |
|
done.countDown(); |
132 |
|
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
133 |
|
assertSame(Boolean.TRUE, f.get()); |
134 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
110 |
– |
assertTrue(done.await(0L, MILLISECONDS)); |
111 |
– |
} finally { |
112 |
– |
joinPool(p); |
135 |
|
} |
136 |
|
} |
137 |
|
|
139 |
|
* delayed schedule of runnable successfully executes after delay |
140 |
|
*/ |
141 |
|
public void testSchedule3() throws Exception { |
142 |
< |
CustomExecutor p = new CustomExecutor(1); |
143 |
< |
final long startTime = System.nanoTime(); |
144 |
< |
final CountDownLatch done = new CountDownLatch(1); |
145 |
< |
try { |
142 |
> |
final CustomExecutor p = new CustomExecutor(1); |
143 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
144 |
> |
final long startTime = System.nanoTime(); |
145 |
> |
final CountDownLatch done = new CountDownLatch(1); |
146 |
|
Runnable task = new CheckedRunnable() { |
147 |
|
public void realRun() { |
148 |
|
done.countDown(); |
152 |
|
await(done); |
153 |
|
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
154 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
133 |
– |
} finally { |
134 |
– |
joinPool(p); |
155 |
|
} |
156 |
|
} |
157 |
|
|
159 |
|
* scheduleAtFixedRate executes runnable after given initial delay |
160 |
|
*/ |
161 |
|
public void testSchedule4() throws InterruptedException { |
162 |
< |
CustomExecutor p = new CustomExecutor(1); |
163 |
< |
final long startTime = System.nanoTime(); |
164 |
< |
final CountDownLatch done = new CountDownLatch(1); |
165 |
< |
try { |
162 |
> |
final CustomExecutor p = new CustomExecutor(1); |
163 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
164 |
> |
final long startTime = System.nanoTime(); |
165 |
> |
final CountDownLatch done = new CountDownLatch(1); |
166 |
|
Runnable task = new CheckedRunnable() { |
167 |
|
public void realRun() { |
168 |
|
done.countDown(); |
174 |
|
await(done); |
175 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
176 |
|
f.cancel(true); |
157 |
– |
} finally { |
158 |
– |
joinPool(p); |
177 |
|
} |
178 |
|
} |
179 |
|
|
181 |
|
* scheduleWithFixedDelay executes runnable after given initial delay |
182 |
|
*/ |
183 |
|
public void testSchedule5() throws InterruptedException { |
184 |
< |
CustomExecutor p = new CustomExecutor(1); |
185 |
< |
final long startTime = System.nanoTime(); |
186 |
< |
final CountDownLatch done = new CountDownLatch(1); |
187 |
< |
try { |
184 |
> |
final CustomExecutor p = new CustomExecutor(1); |
185 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
186 |
> |
final long startTime = System.nanoTime(); |
187 |
> |
final CountDownLatch done = new CountDownLatch(1); |
188 |
|
Runnable task = new CheckedRunnable() { |
189 |
|
public void realRun() { |
190 |
|
done.countDown(); |
196 |
|
await(done); |
197 |
|
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
198 |
|
f.cancel(true); |
181 |
– |
} finally { |
182 |
– |
joinPool(p); |
199 |
|
} |
200 |
|
} |
201 |
|
|
205 |
|
} |
206 |
|
|
207 |
|
/** |
208 |
< |
* scheduleAtFixedRate executes series of tasks at given rate |
208 |
> |
* scheduleAtFixedRate executes series of tasks at given rate. |
209 |
> |
* Eventually, it must hold that: |
210 |
> |
* cycles - 1 <= elapsedMillis/delay < cycles |
211 |
|
*/ |
212 |
|
public void testFixedRateSequence() throws InterruptedException { |
213 |
< |
CustomExecutor p = new CustomExecutor(1); |
214 |
< |
try { |
213 |
> |
final CustomExecutor p = new CustomExecutor(1); |
214 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
215 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
216 |
< |
long startTime = System.nanoTime(); |
217 |
< |
int cycles = 10; |
216 |
> |
final long startTime = System.nanoTime(); |
217 |
> |
final int cycles = 8; |
218 |
|
final CountDownLatch done = new CountDownLatch(cycles); |
219 |
< |
CheckedRunnable task = new CheckedRunnable() { |
219 |
> |
final Runnable task = new CheckedRunnable() { |
220 |
|
public void realRun() { done.countDown(); }}; |
221 |
< |
|
204 |
< |
ScheduledFuture h = |
221 |
> |
final ScheduledFuture periodicTask = |
222 |
|
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
223 |
< |
done.await(); |
224 |
< |
h.cancel(true); |
225 |
< |
double normalizedTime = |
226 |
< |
(double) millisElapsedSince(startTime) / delay; |
227 |
< |
if (normalizedTime >= cycles - 1 && |
228 |
< |
normalizedTime <= cycles) |
223 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
224 |
> |
await(done, totalDelayMillis + LONG_DELAY_MS); |
225 |
> |
periodicTask.cancel(true); |
226 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
227 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
228 |
> |
if (elapsedMillis <= cycles * delay) |
229 |
|
return; |
230 |
+ |
// else retry with longer delay |
231 |
|
} |
232 |
< |
throw new AssertionError("unexpected execution rate"); |
215 |
< |
} finally { |
216 |
< |
joinPool(p); |
232 |
> |
fail("unexpected execution rate"); |
233 |
|
} |
234 |
|
} |
235 |
|
|
236 |
|
/** |
237 |
< |
* scheduleWithFixedDelay executes series of tasks with given period |
237 |
> |
* scheduleWithFixedDelay executes series of tasks with given period. |
238 |
> |
* Eventually, it must hold that each task starts at least delay and at |
239 |
> |
* most 2 * delay after the termination of the previous task. |
240 |
|
*/ |
241 |
|
public void testFixedDelaySequence() throws InterruptedException { |
242 |
< |
CustomExecutor p = new CustomExecutor(1); |
243 |
< |
try { |
242 |
> |
final CustomExecutor p = new CustomExecutor(1); |
243 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
244 |
|
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
245 |
< |
long startTime = System.nanoTime(); |
246 |
< |
int cycles = 10; |
245 |
> |
final long startTime = System.nanoTime(); |
246 |
> |
final AtomicLong previous = new AtomicLong(startTime); |
247 |
> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
248 |
> |
final int cycles = 8; |
249 |
|
final CountDownLatch done = new CountDownLatch(cycles); |
250 |
< |
CheckedRunnable task = new CheckedRunnable() { |
251 |
< |
public void realRun() { done.countDown(); }}; |
252 |
< |
|
253 |
< |
ScheduledFuture h = |
250 |
> |
final int d = delay; |
251 |
> |
final Runnable task = new CheckedRunnable() { |
252 |
> |
public void realRun() { |
253 |
> |
long now = System.nanoTime(); |
254 |
> |
long elapsedMillis |
255 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
256 |
> |
if (done.getCount() == cycles) { // first execution |
257 |
> |
if (elapsedMillis >= d) |
258 |
> |
tryLongerDelay.set(true); |
259 |
> |
} else { |
260 |
> |
assertTrue(elapsedMillis >= d); |
261 |
> |
if (elapsedMillis >= 2 * d) |
262 |
> |
tryLongerDelay.set(true); |
263 |
> |
} |
264 |
> |
previous.set(now); |
265 |
> |
done.countDown(); |
266 |
> |
}}; |
267 |
> |
final ScheduledFuture periodicTask = |
268 |
|
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
269 |
< |
done.await(); |
270 |
< |
h.cancel(true); |
271 |
< |
double normalizedTime = |
272 |
< |
(double) millisElapsedSince(startTime) / delay; |
273 |
< |
if (normalizedTime >= cycles - 1 && |
274 |
< |
normalizedTime <= cycles) |
269 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
270 |
> |
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
271 |
> |
periodicTask.cancel(true); |
272 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
273 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
274 |
> |
if (!tryLongerDelay.get()) |
275 |
|
return; |
276 |
+ |
// else retry with longer delay |
277 |
|
} |
278 |
< |
throw new AssertionError("unexpected execution rate"); |
244 |
< |
} finally { |
245 |
< |
joinPool(p); |
278 |
> |
fail("unexpected execution rate"); |
279 |
|
} |
280 |
|
} |
281 |
|
|
282 |
|
/** |
283 |
< |
* execute(null) throws NPE |
251 |
< |
*/ |
252 |
< |
public void testExecuteNull() throws InterruptedException { |
253 |
< |
CustomExecutor se = new CustomExecutor(1); |
254 |
< |
try { |
255 |
< |
se.execute(null); |
256 |
< |
shouldThrow(); |
257 |
< |
} catch (NullPointerException success) {} |
258 |
< |
joinPool(se); |
259 |
< |
} |
260 |
< |
|
261 |
< |
/** |
262 |
< |
* schedule(null) throws NPE |
283 |
> |
* Submitting null tasks throws NullPointerException |
284 |
|
*/ |
285 |
< |
public void testScheduleNull() throws InterruptedException { |
286 |
< |
CustomExecutor se = new CustomExecutor(1); |
287 |
< |
try { |
288 |
< |
TrackedCallable callable = null; |
289 |
< |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
269 |
< |
shouldThrow(); |
270 |
< |
} catch (NullPointerException success) {} |
271 |
< |
joinPool(se); |
285 |
> |
public void testNullTaskSubmission() { |
286 |
> |
final CustomExecutor p = new CustomExecutor(1); |
287 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
288 |
> |
assertNullTaskSubmissionThrowsNullPointerException(p); |
289 |
> |
} |
290 |
|
} |
291 |
|
|
292 |
|
/** |
293 |
< |
* execute throws RejectedExecutionException if shutdown |
293 |
> |
* Submitted tasks are rejected when shutdown |
294 |
|
*/ |
295 |
< |
public void testSchedule1_RejectedExecutionException() { |
296 |
< |
CustomExecutor se = new CustomExecutor(1); |
297 |
< |
try { |
298 |
< |
se.shutdown(); |
299 |
< |
se.schedule(new NoOpRunnable(), |
300 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
301 |
< |
shouldThrow(); |
302 |
< |
} catch (RejectedExecutionException success) { |
303 |
< |
} catch (SecurityException ok) { |
304 |
< |
} |
295 |
> |
public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException { |
296 |
> |
final CustomExecutor p = new CustomExecutor(2); |
297 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
298 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize()); |
299 |
> |
final CountDownLatch done = new CountDownLatch(1); |
300 |
> |
final Runnable r = () -> { |
301 |
> |
threadsStarted.countDown(); |
302 |
> |
for (;;) { |
303 |
> |
try { |
304 |
> |
done.await(); |
305 |
> |
return; |
306 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
307 |
> |
}}; |
308 |
> |
final Callable<Boolean> c = () -> { |
309 |
> |
threadsStarted.countDown(); |
310 |
> |
for (;;) { |
311 |
> |
try { |
312 |
> |
done.await(); |
313 |
> |
return Boolean.TRUE; |
314 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
315 |
> |
}}; |
316 |
|
|
317 |
< |
joinPool(se); |
318 |
< |
} |
317 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
318 |
> |
for (int i = p.getCorePoolSize(); i--> 0; ) { |
319 |
> |
switch (rnd.nextInt(4)) { |
320 |
> |
case 0: p.execute(r); break; |
321 |
> |
case 1: assertFalse(p.submit(r).isDone()); break; |
322 |
> |
case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break; |
323 |
> |
case 3: assertFalse(p.submit(c).isDone()); break; |
324 |
> |
} |
325 |
> |
} |
326 |
|
|
327 |
< |
/** |
328 |
< |
* schedule throws RejectedExecutionException if shutdown |
293 |
< |
*/ |
294 |
< |
public void testSchedule2_RejectedExecutionException() { |
295 |
< |
CustomExecutor se = new CustomExecutor(1); |
296 |
< |
try { |
297 |
< |
se.shutdown(); |
298 |
< |
se.schedule(new NoOpCallable(), |
299 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
300 |
< |
shouldThrow(); |
301 |
< |
} catch (RejectedExecutionException success) { |
302 |
< |
} catch (SecurityException ok) { |
303 |
< |
} |
304 |
< |
joinPool(se); |
305 |
< |
} |
327 |
> |
// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated. |
328 |
> |
await(threadsStarted); |
329 |
|
|
330 |
< |
/** |
331 |
< |
* schedule callable throws RejectedExecutionException if shutdown |
332 |
< |
*/ |
333 |
< |
public void testSchedule3_RejectedExecutionException() { |
334 |
< |
CustomExecutor se = new CustomExecutor(1); |
335 |
< |
try { |
336 |
< |
se.shutdown(); |
314 |
< |
se.schedule(new NoOpCallable(), |
315 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
316 |
< |
shouldThrow(); |
317 |
< |
} catch (RejectedExecutionException success) { |
318 |
< |
} catch (SecurityException ok) { |
319 |
< |
} |
320 |
< |
joinPool(se); |
321 |
< |
} |
330 |
> |
if (rnd.nextBoolean()) |
331 |
> |
p.shutdownNow(); |
332 |
> |
else |
333 |
> |
p.shutdown(); |
334 |
> |
// Pool is shutdown, but not yet terminated |
335 |
> |
assertTaskSubmissionsAreRejected(p); |
336 |
> |
assertFalse(p.isTerminated()); |
337 |
|
|
338 |
< |
/** |
339 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
325 |
< |
*/ |
326 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException() { |
327 |
< |
CustomExecutor se = new CustomExecutor(1); |
328 |
< |
try { |
329 |
< |
se.shutdown(); |
330 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
331 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
332 |
< |
shouldThrow(); |
333 |
< |
} catch (RejectedExecutionException success) { |
334 |
< |
} catch (SecurityException ok) { |
335 |
< |
} |
336 |
< |
joinPool(se); |
337 |
< |
} |
338 |
> |
done.countDown(); // release blocking tasks |
339 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
340 |
|
|
341 |
< |
/** |
340 |
< |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
341 |
< |
*/ |
342 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException() { |
343 |
< |
CustomExecutor se = new CustomExecutor(1); |
344 |
< |
try { |
345 |
< |
se.shutdown(); |
346 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
347 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
348 |
< |
shouldThrow(); |
349 |
< |
} catch (RejectedExecutionException success) { |
350 |
< |
} catch (SecurityException ok) { |
341 |
> |
assertTaskSubmissionsAreRejected(p); |
342 |
|
} |
343 |
< |
joinPool(se); |
343 |
> |
assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount()); |
344 |
|
} |
345 |
|
|
346 |
|
/** |
348 |
|
* thread becomes active |
349 |
|
*/ |
350 |
|
public void testGetActiveCount() throws InterruptedException { |
360 |
– |
final ThreadPoolExecutor p = new CustomExecutor(2); |
361 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
351 |
|
final CountDownLatch done = new CountDownLatch(1); |
352 |
< |
try { |
352 |
> |
final ThreadPoolExecutor p = new CustomExecutor(2); |
353 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
354 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
355 |
|
assertEquals(0, p.getActiveCount()); |
356 |
|
p.execute(new CheckedRunnable() { |
357 |
|
public void realRun() throws InterruptedException { |
358 |
|
threadStarted.countDown(); |
359 |
|
assertEquals(1, p.getActiveCount()); |
360 |
< |
done.await(); |
360 |
> |
await(done); |
361 |
|
}}); |
362 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
362 |
> |
await(threadStarted); |
363 |
|
assertEquals(1, p.getActiveCount()); |
373 |
– |
} finally { |
374 |
– |
done.countDown(); |
375 |
– |
joinPool(p); |
364 |
|
} |
365 |
|
} |
366 |
|
|
370 |
|
*/ |
371 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
372 |
|
final ThreadPoolExecutor p = new CustomExecutor(2); |
373 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
374 |
< |
final CountDownLatch threadProceed = new CountDownLatch(1); |
375 |
< |
final CountDownLatch threadDone = new CountDownLatch(1); |
376 |
< |
try { |
373 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
374 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
375 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
376 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
377 |
|
assertEquals(0, p.getCompletedTaskCount()); |
378 |
|
p.execute(new CheckedRunnable() { |
379 |
|
public void realRun() throws InterruptedException { |
380 |
|
threadStarted.countDown(); |
381 |
|
assertEquals(0, p.getCompletedTaskCount()); |
382 |
< |
threadProceed.await(); |
382 |
> |
await(threadProceed); |
383 |
|
threadDone.countDown(); |
384 |
|
}}); |
385 |
|
await(threadStarted); |
386 |
|
assertEquals(0, p.getCompletedTaskCount()); |
387 |
|
threadProceed.countDown(); |
388 |
< |
threadDone.await(); |
388 |
> |
await(threadDone); |
389 |
|
long startTime = System.nanoTime(); |
390 |
|
while (p.getCompletedTaskCount() != 1) { |
391 |
|
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
392 |
|
fail("timed out"); |
393 |
|
Thread.yield(); |
394 |
|
} |
407 |
– |
} finally { |
408 |
– |
joinPool(p); |
395 |
|
} |
396 |
|
} |
397 |
|
|
399 |
|
* getCorePoolSize returns size given in constructor if not otherwise set |
400 |
|
*/ |
401 |
|
public void testGetCorePoolSize() { |
402 |
< |
CustomExecutor p = new CustomExecutor(1); |
403 |
< |
assertEquals(1, p.getCorePoolSize()); |
404 |
< |
joinPool(p); |
402 |
> |
final CustomExecutor p = new CustomExecutor(1); |
403 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
404 |
> |
assertEquals(1, p.getCorePoolSize()); |
405 |
> |
} |
406 |
|
} |
407 |
|
|
408 |
|
/** |
411 |
|
*/ |
412 |
|
public void testGetLargestPoolSize() throws InterruptedException { |
413 |
|
final int THREADS = 3; |
427 |
– |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
428 |
– |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
414 |
|
final CountDownLatch done = new CountDownLatch(1); |
415 |
< |
try { |
415 |
> |
final ThreadPoolExecutor p = new CustomExecutor(THREADS); |
416 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
417 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
418 |
|
assertEquals(0, p.getLargestPoolSize()); |
419 |
|
for (int i = 0; i < THREADS; i++) |
420 |
|
p.execute(new CheckedRunnable() { |
421 |
|
public void realRun() throws InterruptedException { |
422 |
|
threadsStarted.countDown(); |
423 |
< |
done.await(); |
423 |
> |
await(done); |
424 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
425 |
|
}}); |
426 |
< |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
440 |
< |
assertEquals(THREADS, p.getLargestPoolSize()); |
441 |
< |
} finally { |
442 |
< |
done.countDown(); |
443 |
< |
joinPool(p); |
426 |
> |
await(threadsStarted); |
427 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
428 |
|
} |
429 |
+ |
assertEquals(THREADS, p.getLargestPoolSize()); |
430 |
|
} |
431 |
|
|
432 |
|
/** |
434 |
|
* become active |
435 |
|
*/ |
436 |
|
public void testGetPoolSize() throws InterruptedException { |
453 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
454 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
437 |
|
final CountDownLatch done = new CountDownLatch(1); |
438 |
< |
try { |
438 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
439 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
440 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
441 |
|
assertEquals(0, p.getPoolSize()); |
442 |
|
p.execute(new CheckedRunnable() { |
443 |
|
public void realRun() throws InterruptedException { |
444 |
|
threadStarted.countDown(); |
445 |
|
assertEquals(1, p.getPoolSize()); |
446 |
< |
done.await(); |
446 |
> |
await(done); |
447 |
|
}}); |
448 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
448 |
> |
await(threadStarted); |
449 |
|
assertEquals(1, p.getPoolSize()); |
466 |
– |
} finally { |
467 |
– |
done.countDown(); |
468 |
– |
joinPool(p); |
450 |
|
} |
451 |
|
} |
452 |
|
|
455 |
|
* submitted |
456 |
|
*/ |
457 |
|
public void testGetTaskCount() throws InterruptedException { |
458 |
< |
final ThreadPoolExecutor p = new CustomExecutor(1); |
478 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
458 |
> |
final int TASKS = 3; |
459 |
|
final CountDownLatch done = new CountDownLatch(1); |
460 |
< |
final int TASKS = 5; |
461 |
< |
try { |
460 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
461 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
462 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
463 |
|
assertEquals(0, p.getTaskCount()); |
464 |
< |
for (int i = 0; i < TASKS; i++) |
464 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
465 |
> |
p.execute(new CheckedRunnable() { |
466 |
> |
public void realRun() throws InterruptedException { |
467 |
> |
threadStarted.countDown(); |
468 |
> |
await(done); |
469 |
> |
}}); |
470 |
> |
await(threadStarted); |
471 |
> |
assertEquals(1, p.getTaskCount()); |
472 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
473 |
> |
for (int i = 0; i < TASKS; i++) { |
474 |
> |
assertEquals(1 + i, p.getTaskCount()); |
475 |
|
p.execute(new CheckedRunnable() { |
476 |
|
public void realRun() throws InterruptedException { |
477 |
|
threadStarted.countDown(); |
478 |
< |
done.await(); |
478 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
479 |
> |
await(done); |
480 |
|
}}); |
481 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
482 |
< |
assertEquals(TASKS, p.getTaskCount()); |
483 |
< |
} finally { |
492 |
< |
done.countDown(); |
493 |
< |
joinPool(p); |
481 |
> |
} |
482 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
483 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
484 |
|
} |
485 |
+ |
assertEquals(1 + TASKS, p.getTaskCount()); |
486 |
+ |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
487 |
|
} |
488 |
|
|
489 |
|
/** |
490 |
|
* getThreadFactory returns factory in constructor if not set |
491 |
|
*/ |
492 |
|
public void testGetThreadFactory() { |
493 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
494 |
< |
CustomExecutor p = new CustomExecutor(1, tf); |
495 |
< |
assertSame(tf, p.getThreadFactory()); |
496 |
< |
joinPool(p); |
493 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
494 |
> |
final CustomExecutor p = new CustomExecutor(1, threadFactory); |
495 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
496 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
497 |
> |
} |
498 |
|
} |
499 |
|
|
500 |
|
/** |
501 |
|
* setThreadFactory sets the thread factory returned by getThreadFactory |
502 |
|
*/ |
503 |
|
public void testSetThreadFactory() { |
504 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
505 |
< |
CustomExecutor p = new CustomExecutor(1); |
506 |
< |
p.setThreadFactory(tf); |
507 |
< |
assertSame(tf, p.getThreadFactory()); |
508 |
< |
joinPool(p); |
504 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
505 |
> |
final CustomExecutor p = new CustomExecutor(1); |
506 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
507 |
> |
p.setThreadFactory(threadFactory); |
508 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
509 |
> |
} |
510 |
|
} |
511 |
|
|
512 |
|
/** |
513 |
|
* setThreadFactory(null) throws NPE |
514 |
|
*/ |
515 |
|
public void testSetThreadFactoryNull() { |
516 |
< |
CustomExecutor p = new CustomExecutor(1); |
517 |
< |
try { |
518 |
< |
p.setThreadFactory(null); |
519 |
< |
shouldThrow(); |
520 |
< |
} catch (NullPointerException success) { |
521 |
< |
} finally { |
528 |
< |
joinPool(p); |
516 |
> |
final CustomExecutor p = new CustomExecutor(1); |
517 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
518 |
> |
try { |
519 |
> |
p.setThreadFactory(null); |
520 |
> |
shouldThrow(); |
521 |
> |
} catch (NullPointerException success) {} |
522 |
|
} |
523 |
|
} |
524 |
|
|
526 |
|
* isShutdown is false before shutdown, true after |
527 |
|
*/ |
528 |
|
public void testIsShutdown() { |
529 |
< |
CustomExecutor p = new CustomExecutor(1); |
530 |
< |
try { |
529 |
> |
final CustomExecutor p = new CustomExecutor(1); |
530 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
531 |
|
assertFalse(p.isShutdown()); |
539 |
– |
} |
540 |
– |
finally { |
532 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
533 |
+ |
assertTrue(p.isShutdown()); |
534 |
|
} |
543 |
– |
assertTrue(p.isShutdown()); |
535 |
|
} |
536 |
|
|
537 |
|
/** |
538 |
|
* isTerminated is false before termination, true after |
539 |
|
*/ |
540 |
|
public void testIsTerminated() throws InterruptedException { |
550 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
551 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
541 |
|
final CountDownLatch done = new CountDownLatch(1); |
542 |
< |
assertFalse(p.isTerminated()); |
543 |
< |
try { |
542 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
543 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
544 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
545 |
|
p.execute(new CheckedRunnable() { |
546 |
|
public void realRun() throws InterruptedException { |
547 |
|
assertFalse(p.isTerminated()); |
548 |
|
threadStarted.countDown(); |
549 |
< |
done.await(); |
549 |
> |
await(done); |
550 |
|
}}); |
551 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
551 |
> |
await(threadStarted); |
552 |
> |
assertFalse(p.isTerminated()); |
553 |
|
assertFalse(p.isTerminating()); |
554 |
|
done.countDown(); |
564 |
– |
} finally { |
555 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
556 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
557 |
+ |
assertTrue(p.isTerminated()); |
558 |
|
} |
567 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
568 |
– |
assertTrue(p.isTerminated()); |
559 |
|
} |
560 |
|
|
561 |
|
/** |
562 |
|
* isTerminating is not true when running or when terminated |
563 |
|
*/ |
564 |
|
public void testIsTerminating() throws InterruptedException { |
575 |
– |
final ThreadPoolExecutor p = new CustomExecutor(1); |
576 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
565 |
|
final CountDownLatch done = new CountDownLatch(1); |
566 |
< |
try { |
566 |
> |
final ThreadPoolExecutor p = new CustomExecutor(1); |
567 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
568 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
569 |
|
assertFalse(p.isTerminating()); |
570 |
|
p.execute(new CheckedRunnable() { |
571 |
|
public void realRun() throws InterruptedException { |
572 |
|
assertFalse(p.isTerminating()); |
573 |
|
threadStarted.countDown(); |
574 |
< |
done.await(); |
574 |
> |
await(done); |
575 |
|
}}); |
576 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
576 |
> |
await(threadStarted); |
577 |
|
assertFalse(p.isTerminating()); |
578 |
|
done.countDown(); |
589 |
– |
} finally { |
579 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
580 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
581 |
+ |
assertTrue(p.isTerminated()); |
582 |
+ |
assertFalse(p.isTerminating()); |
583 |
|
} |
592 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
593 |
– |
assertTrue(p.isTerminated()); |
594 |
– |
assertFalse(p.isTerminating()); |
584 |
|
} |
585 |
|
|
586 |
|
/** |
587 |
|
* getQueue returns the work queue, which contains queued tasks |
588 |
|
*/ |
589 |
|
public void testGetQueue() throws InterruptedException { |
601 |
– |
ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
602 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
590 |
|
final CountDownLatch done = new CountDownLatch(1); |
591 |
< |
try { |
591 |
> |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
592 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
593 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
594 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
595 |
|
for (int i = 0; i < tasks.length; i++) { |
596 |
|
Runnable r = new CheckedRunnable() { |
597 |
|
public void realRun() throws InterruptedException { |
598 |
|
threadStarted.countDown(); |
599 |
< |
done.await(); |
599 |
> |
await(done); |
600 |
|
}}; |
601 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
602 |
|
} |
603 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
603 |
> |
await(threadStarted); |
604 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
605 |
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
606 |
|
assertFalse(q.contains(tasks[0])); |
618 |
– |
} finally { |
619 |
– |
done.countDown(); |
620 |
– |
joinPool(p); |
607 |
|
} |
608 |
|
} |
609 |
|
|
611 |
|
* remove(task) removes queued task, and fails to remove active task |
612 |
|
*/ |
613 |
|
public void testRemove() throws InterruptedException { |
628 |
– |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
629 |
– |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
630 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
614 |
|
final CountDownLatch done = new CountDownLatch(1); |
615 |
< |
try { |
615 |
> |
final ScheduledThreadPoolExecutor p = new CustomExecutor(1); |
616 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
617 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
618 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
619 |
|
for (int i = 0; i < tasks.length; i++) { |
620 |
|
Runnable r = new CheckedRunnable() { |
621 |
|
public void realRun() throws InterruptedException { |
622 |
|
threadStarted.countDown(); |
623 |
< |
done.await(); |
623 |
> |
await(done); |
624 |
|
}}; |
625 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
626 |
|
} |
627 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
627 |
> |
await(threadStarted); |
628 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
629 |
|
assertFalse(p.remove((Runnable)tasks[0])); |
630 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
635 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
636 |
|
assertTrue(p.remove((Runnable)tasks[3])); |
637 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
652 |
– |
} finally { |
653 |
– |
done.countDown(); |
654 |
– |
joinPool(p); |
638 |
|
} |
639 |
|
} |
640 |
|
|
642 |
|
* purge removes cancelled tasks from the queue |
643 |
|
*/ |
644 |
|
public void testPurge() throws InterruptedException { |
645 |
< |
CustomExecutor p = new CustomExecutor(1); |
646 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
647 |
< |
for (int i = 0; i < tasks.length; i++) |
648 |
< |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
649 |
< |
LONG_DELAY_MS, MILLISECONDS); |
650 |
< |
try { |
645 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
646 |
> |
final Runnable releaser = new Runnable() { public void run() { |
647 |
> |
for (ScheduledFuture task : tasks) |
648 |
> |
if (task != null) task.cancel(true); }}; |
649 |
> |
final CustomExecutor p = new CustomExecutor(1); |
650 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
651 |
> |
for (int i = 0; i < tasks.length; i++) |
652 |
> |
tasks[i] = p.schedule(possiblyInterruptedRunnable(SMALL_DELAY_MS), |
653 |
> |
LONG_DELAY_MS, MILLISECONDS); |
654 |
|
int max = tasks.length; |
655 |
|
if (tasks[4].cancel(true)) --max; |
656 |
|
if (tasks[3].cancel(true)) --max; |
662 |
|
long count = p.getTaskCount(); |
663 |
|
if (count == max) |
664 |
|
return; |
665 |
< |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
665 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
666 |
|
fail("Purge failed to remove cancelled tasks"); |
681 |
– |
} finally { |
682 |
– |
for (ScheduledFuture task : tasks) |
683 |
– |
task.cancel(true); |
684 |
– |
joinPool(p); |
667 |
|
} |
668 |
|
} |
669 |
|
|
670 |
|
/** |
671 |
< |
* shutdownNow returns a list containing tasks that were not run |
671 |
> |
* shutdownNow returns a list containing tasks that were not run, |
672 |
> |
* and those tasks are drained from the queue |
673 |
|
*/ |
674 |
< |
public void testShutdownNow() { |
675 |
< |
CustomExecutor p = new CustomExecutor(1); |
676 |
< |
for (int i = 0; i < 5; i++) |
677 |
< |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
678 |
< |
LONG_DELAY_MS, MILLISECONDS); |
674 |
> |
public void testShutdownNow() throws InterruptedException { |
675 |
> |
final int poolSize = 2; |
676 |
> |
final int count = 5; |
677 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
678 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
679 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
680 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
681 |
> |
threadsStarted.countDown(); |
682 |
> |
try { |
683 |
> |
MILLISECONDS.sleep(LONGER_DELAY_MS); |
684 |
> |
} catch (InterruptedException success) {} |
685 |
> |
ran.getAndIncrement(); |
686 |
> |
}}; |
687 |
> |
for (int i = 0; i < count; i++) |
688 |
> |
p.execute(waiter); |
689 |
> |
await(threadsStarted); |
690 |
> |
assertEquals(poolSize, p.getActiveCount()); |
691 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
692 |
> |
final List<Runnable> queuedTasks; |
693 |
|
try { |
694 |
< |
List<Runnable> l = p.shutdownNow(); |
698 |
< |
assertTrue(p.isShutdown()); |
699 |
< |
assertEquals(5, l.size()); |
694 |
> |
queuedTasks = p.shutdownNow(); |
695 |
|
} catch (SecurityException ok) { |
696 |
< |
// Allowed in case test doesn't have privs |
702 |
< |
} finally { |
703 |
< |
joinPool(p); |
696 |
> |
return; // Allowed in case test doesn't have privs |
697 |
|
} |
698 |
+ |
assertTrue(p.isShutdown()); |
699 |
+ |
assertTrue(p.getQueue().isEmpty()); |
700 |
+ |
assertEquals(count - poolSize, queuedTasks.size()); |
701 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
702 |
+ |
assertTrue(p.isTerminated()); |
703 |
+ |
assertEquals(poolSize, ran.get()); |
704 |
+ |
assertEquals(poolSize, p.getCompletedTaskCount()); |
705 |
|
} |
706 |
|
|
707 |
|
/** |
708 |
< |
* In default setting, shutdown cancels periodic but not delayed |
709 |
< |
* tasks at shutdown |
708 |
> |
* shutdownNow returns a list containing tasks that were not run, |
709 |
> |
* and those tasks are drained from the queue |
710 |
|
*/ |
711 |
< |
public void testShutdown1() throws InterruptedException { |
712 |
< |
CustomExecutor p = new CustomExecutor(1); |
713 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
714 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
715 |
< |
|
716 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
717 |
< |
for (int i = 0; i < tasks.length; i++) |
718 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
719 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
720 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
721 |
< |
BlockingQueue<Runnable> q = p.getQueue(); |
722 |
< |
for (ScheduledFuture task : tasks) { |
723 |
< |
assertFalse(task.isDone()); |
724 |
< |
assertFalse(task.isCancelled()); |
725 |
< |
assertTrue(q.contains(task)); |
711 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
712 |
> |
final CustomExecutor p = new CustomExecutor(1); |
713 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
714 |
> |
for (int i = 0; i < 3; i++) { |
715 |
> |
Runnable r = new NoOpRunnable(); |
716 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
717 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
718 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
719 |
> |
} |
720 |
> |
if (testImplementationDetails) |
721 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
722 |
> |
final List<Runnable> queuedTasks; |
723 |
> |
try { |
724 |
> |
queuedTasks = p.shutdownNow(); |
725 |
> |
} catch (SecurityException ok) { |
726 |
> |
return; // Allowed in case test doesn't have privs |
727 |
|
} |
728 |
|
assertTrue(p.isShutdown()); |
729 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
730 |
< |
assertTrue(p.isTerminated()); |
729 |
> |
assertTrue(p.getQueue().isEmpty()); |
730 |
> |
if (testImplementationDetails) |
731 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
732 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
733 |
|
for (ScheduledFuture task : tasks) { |
734 |
< |
assertTrue(task.isDone()); |
734 |
> |
assertFalse(((CustomTask)task).ran); |
735 |
> |
assertFalse(task.isDone()); |
736 |
|
assertFalse(task.isCancelled()); |
737 |
|
} |
738 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
739 |
+ |
assertTrue(p.isTerminated()); |
740 |
|
} |
741 |
|
|
742 |
|
/** |
743 |
< |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
744 |
< |
* delayed tasks are cancelled at shutdown |
745 |
< |
*/ |
746 |
< |
public void testShutdown2() throws InterruptedException { |
747 |
< |
CustomExecutor p = new CustomExecutor(1); |
748 |
< |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
749 |
< |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
750 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
751 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
752 |
< |
for (int i = 0; i < tasks.length; i++) |
753 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
754 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
755 |
< |
BlockingQueue q = p.getQueue(); |
756 |
< |
assertEquals(tasks.length, q.size()); |
757 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
758 |
< |
assertTrue(p.isShutdown()); |
759 |
< |
assertTrue(q.isEmpty()); |
760 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
761 |
< |
assertTrue(p.isTerminated()); |
762 |
< |
for (ScheduledFuture task : tasks) { |
763 |
< |
assertTrue(task.isDone()); |
764 |
< |
assertTrue(task.isCancelled()); |
743 |
> |
* By default, periodic tasks are cancelled at shutdown. |
744 |
> |
* By default, delayed tasks keep running after shutdown. |
745 |
> |
* Check that changing the default values work: |
746 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
747 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
748 |
> |
*/ |
749 |
> |
@SuppressWarnings("FutureReturnValueIgnored") |
750 |
> |
public void testShutdown_cancellation() throws Exception { |
751 |
> |
final int poolSize = 4; |
752 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
753 |
> |
final BlockingQueue<Runnable> q = p.getQueue(); |
754 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
755 |
> |
final long delay = rnd.nextInt(2); |
756 |
> |
final int rounds = rnd.nextInt(1, 3); |
757 |
> |
final boolean effectiveDelayedPolicy; |
758 |
> |
final boolean effectivePeriodicPolicy; |
759 |
> |
final boolean effectiveRemovePolicy; |
760 |
> |
|
761 |
> |
if (rnd.nextBoolean()) |
762 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy( |
763 |
> |
effectiveDelayedPolicy = rnd.nextBoolean()); |
764 |
> |
else |
765 |
> |
effectiveDelayedPolicy = true; |
766 |
> |
assertEquals(effectiveDelayedPolicy, |
767 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
768 |
> |
|
769 |
> |
if (rnd.nextBoolean()) |
770 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
771 |
> |
effectivePeriodicPolicy = rnd.nextBoolean()); |
772 |
> |
else |
773 |
> |
effectivePeriodicPolicy = false; |
774 |
> |
assertEquals(effectivePeriodicPolicy, |
775 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
776 |
> |
|
777 |
> |
if (rnd.nextBoolean()) |
778 |
> |
p.setRemoveOnCancelPolicy( |
779 |
> |
effectiveRemovePolicy = rnd.nextBoolean()); |
780 |
> |
else |
781 |
> |
effectiveRemovePolicy = false; |
782 |
> |
assertEquals(effectiveRemovePolicy, |
783 |
> |
p.getRemoveOnCancelPolicy()); |
784 |
> |
|
785 |
> |
final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean(); |
786 |
> |
|
787 |
> |
// Strategy: Wedge the pool with one wave of "blocker" tasks, |
788 |
> |
// then add a second wave that waits in the queue until unblocked. |
789 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
790 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
791 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
792 |
> |
final RuntimeException exception = new RuntimeException(); |
793 |
> |
|
794 |
> |
class Task implements Runnable { |
795 |
> |
public void run() { |
796 |
> |
try { |
797 |
> |
ran.getAndIncrement(); |
798 |
> |
poolBlocked.countDown(); |
799 |
> |
await(unblock); |
800 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
801 |
> |
} |
802 |
|
} |
760 |
– |
} |
803 |
|
|
804 |
< |
/** |
805 |
< |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
806 |
< |
* periodic tasks are cancelled at shutdown |
807 |
< |
*/ |
808 |
< |
public void testShutdown3() throws InterruptedException { |
809 |
< |
CustomExecutor p = new CustomExecutor(1); |
810 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
811 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
812 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
813 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
814 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
815 |
< |
long initialDelay = LONG_DELAY_MS; |
816 |
< |
ScheduledFuture task = |
817 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
818 |
< |
5, MILLISECONDS); |
804 |
> |
class PeriodicTask extends Task { |
805 |
> |
PeriodicTask(int rounds) { this.rounds = rounds; } |
806 |
> |
int rounds; |
807 |
> |
public void run() { |
808 |
> |
if (--rounds == 0) super.run(); |
809 |
> |
// throw exception to surely terminate this periodic task, |
810 |
> |
// but in a separate execution and in a detectable way. |
811 |
> |
if (rounds == -1) throw exception; |
812 |
> |
} |
813 |
> |
} |
814 |
> |
|
815 |
> |
Runnable task = new Task(); |
816 |
> |
|
817 |
> |
List<Future<?>> immediates = new ArrayList<>(); |
818 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
819 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
820 |
> |
|
821 |
> |
immediates.add(p.submit(task)); |
822 |
> |
delayeds.add(p.schedule(task, delay, MILLISECONDS)); |
823 |
> |
periodics.add(p.scheduleAtFixedRate( |
824 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
825 |
> |
periodics.add(p.scheduleWithFixedDelay( |
826 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
827 |
> |
|
828 |
> |
await(poolBlocked); |
829 |
> |
|
830 |
> |
assertEquals(poolSize, ran.get()); |
831 |
> |
assertEquals(poolSize, p.getActiveCount()); |
832 |
> |
assertTrue(q.isEmpty()); |
833 |
> |
|
834 |
> |
// Add second wave of tasks. |
835 |
> |
immediates.add(p.submit(task)); |
836 |
> |
delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS)); |
837 |
> |
periodics.add(p.scheduleAtFixedRate( |
838 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
839 |
> |
periodics.add(p.scheduleWithFixedDelay( |
840 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
841 |
> |
|
842 |
> |
assertEquals(poolSize, q.size()); |
843 |
> |
assertEquals(poolSize, ran.get()); |
844 |
> |
|
845 |
> |
immediates.forEach( |
846 |
> |
f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L)); |
847 |
> |
|
848 |
> |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
849 |
> |
.forEach(f -> assertFalse(f.isDone())); |
850 |
> |
|
851 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
852 |
|
assertTrue(p.isShutdown()); |
853 |
< |
assertTrue(p.getQueue().isEmpty()); |
854 |
< |
assertTrue(task.isDone()); |
781 |
< |
assertTrue(task.isCancelled()); |
782 |
< |
joinPool(p); |
783 |
< |
} |
853 |
> |
assertTrue(p.isTerminating()); |
854 |
> |
assertFalse(p.isTerminated()); |
855 |
|
|
856 |
< |
/** |
857 |
< |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
858 |
< |
* periodic tasks are not cancelled at shutdown |
859 |
< |
*/ |
860 |
< |
public void testShutdown4() throws InterruptedException { |
861 |
< |
CustomExecutor p = new CustomExecutor(1); |
862 |
< |
final CountDownLatch counter = new CountDownLatch(2); |
863 |
< |
try { |
864 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
865 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
866 |
< |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
867 |
< |
final Runnable r = new CheckedRunnable() { |
868 |
< |
public void realRun() { |
869 |
< |
counter.countDown(); |
870 |
< |
}}; |
871 |
< |
ScheduledFuture task = |
872 |
< |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
873 |
< |
assertFalse(task.isDone()); |
874 |
< |
assertFalse(task.isCancelled()); |
875 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
876 |
< |
assertFalse(task.isCancelled()); |
877 |
< |
assertFalse(p.isTerminated()); |
878 |
< |
assertTrue(p.isShutdown()); |
879 |
< |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
880 |
< |
assertFalse(task.isCancelled()); |
881 |
< |
assertTrue(task.cancel(false)); |
882 |
< |
assertTrue(task.isDone()); |
883 |
< |
assertTrue(task.isCancelled()); |
884 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
885 |
< |
assertTrue(p.isTerminated()); |
886 |
< |
} |
887 |
< |
finally { |
888 |
< |
joinPool(p); |
856 |
> |
if (rnd.nextBoolean()) |
857 |
> |
assertThrows( |
858 |
> |
RejectedExecutionException.class, |
859 |
> |
() -> p.submit(task), |
860 |
> |
() -> p.schedule(task, 1, SECONDS), |
861 |
> |
() -> p.scheduleAtFixedRate( |
862 |
> |
new PeriodicTask(1), 1, 1, SECONDS), |
863 |
> |
() -> p.scheduleWithFixedDelay( |
864 |
> |
new PeriodicTask(2), 1, 1, SECONDS)); |
865 |
> |
|
866 |
> |
assertTrue(q.contains(immediates.get(1))); |
867 |
> |
assertTrue(!effectiveDelayedPolicy |
868 |
> |
^ q.contains(delayeds.get(1))); |
869 |
> |
assertTrue(!effectivePeriodicPolicy |
870 |
> |
^ q.containsAll(periodics.subList(2, 4))); |
871 |
> |
|
872 |
> |
immediates.forEach(f -> assertFalse(f.isDone())); |
873 |
> |
|
874 |
> |
assertFalse(delayeds.get(0).isDone()); |
875 |
> |
if (effectiveDelayedPolicy) |
876 |
> |
assertFalse(delayeds.get(1).isDone()); |
877 |
> |
else |
878 |
> |
assertTrue(delayeds.get(1).isCancelled()); |
879 |
> |
|
880 |
> |
if (effectivePeriodicPolicy) |
881 |
> |
periodics.forEach( |
882 |
> |
f -> { |
883 |
> |
assertFalse(f.isDone()); |
884 |
> |
if (!periodicTasksContinue) { |
885 |
> |
assertTrue(f.cancel(false)); |
886 |
> |
assertTrue(f.isCancelled()); |
887 |
> |
} |
888 |
> |
}); |
889 |
> |
else { |
890 |
> |
periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone())); |
891 |
> |
periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled())); |
892 |
|
} |
893 |
+ |
|
894 |
+ |
unblock.countDown(); // Release all pool threads |
895 |
+ |
|
896 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
897 |
+ |
assertFalse(p.isTerminating()); |
898 |
+ |
assertTrue(p.isTerminated()); |
899 |
+ |
|
900 |
+ |
assertTrue(q.isEmpty()); |
901 |
+ |
|
902 |
+ |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
903 |
+ |
.forEach(f -> assertTrue(f.isDone())); |
904 |
+ |
|
905 |
+ |
for (Future<?> f : immediates) assertNull(f.get()); |
906 |
+ |
|
907 |
+ |
assertNull(delayeds.get(0).get()); |
908 |
+ |
if (effectiveDelayedPolicy) |
909 |
+ |
assertNull(delayeds.get(1).get()); |
910 |
+ |
else |
911 |
+ |
assertTrue(delayeds.get(1).isCancelled()); |
912 |
+ |
|
913 |
+ |
if (periodicTasksContinue) |
914 |
+ |
periodics.forEach( |
915 |
+ |
f -> { |
916 |
+ |
try { f.get(); } |
917 |
+ |
catch (ExecutionException success) { |
918 |
+ |
assertSame(exception, success.getCause()); |
919 |
+ |
} |
920 |
+ |
catch (Throwable fail) { threadUnexpectedException(fail); } |
921 |
+ |
}); |
922 |
+ |
else |
923 |
+ |
periodics.forEach(f -> assertTrue(f.isCancelled())); |
924 |
+ |
|
925 |
+ |
assertEquals(poolSize + 1 |
926 |
+ |
+ (effectiveDelayedPolicy ? 1 : 0) |
927 |
+ |
+ (periodicTasksContinue ? 2 : 0), |
928 |
+ |
ran.get()); |
929 |
|
} |
930 |
|
|
931 |
|
/** |
932 |
|
* completed submit of callable returns result |
933 |
|
*/ |
934 |
|
public void testSubmitCallable() throws Exception { |
935 |
< |
ExecutorService e = new CustomExecutor(2); |
936 |
< |
try { |
935 |
> |
final ExecutorService e = new CustomExecutor(2); |
936 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
937 |
|
Future<String> future = e.submit(new StringTask()); |
938 |
|
String result = future.get(); |
939 |
|
assertSame(TEST_STRING, result); |
830 |
– |
} finally { |
831 |
– |
joinPool(e); |
940 |
|
} |
941 |
|
} |
942 |
|
|
944 |
|
* completed submit of runnable returns successfully |
945 |
|
*/ |
946 |
|
public void testSubmitRunnable() throws Exception { |
947 |
< |
ExecutorService e = new CustomExecutor(2); |
948 |
< |
try { |
947 |
> |
final ExecutorService e = new CustomExecutor(2); |
948 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
949 |
|
Future<?> future = e.submit(new NoOpRunnable()); |
950 |
|
future.get(); |
951 |
|
assertTrue(future.isDone()); |
844 |
– |
} finally { |
845 |
– |
joinPool(e); |
952 |
|
} |
953 |
|
} |
954 |
|
|
956 |
|
* completed submit of (runnable, result) returns result |
957 |
|
*/ |
958 |
|
public void testSubmitRunnable2() throws Exception { |
959 |
< |
ExecutorService e = new CustomExecutor(2); |
960 |
< |
try { |
959 |
> |
final ExecutorService e = new CustomExecutor(2); |
960 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
961 |
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
962 |
|
String result = future.get(); |
963 |
|
assertSame(TEST_STRING, result); |
858 |
– |
} finally { |
859 |
– |
joinPool(e); |
964 |
|
} |
965 |
|
} |
966 |
|
|
968 |
|
* invokeAny(null) throws NPE |
969 |
|
*/ |
970 |
|
public void testInvokeAny1() throws Exception { |
971 |
< |
ExecutorService e = new CustomExecutor(2); |
972 |
< |
try { |
973 |
< |
e.invokeAny(null); |
974 |
< |
shouldThrow(); |
975 |
< |
} catch (NullPointerException success) { |
976 |
< |
} finally { |
873 |
< |
joinPool(e); |
971 |
> |
final ExecutorService e = new CustomExecutor(2); |
972 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
973 |
> |
try { |
974 |
> |
e.invokeAny(null); |
975 |
> |
shouldThrow(); |
976 |
> |
} catch (NullPointerException success) {} |
977 |
|
} |
978 |
|
} |
979 |
|
|
980 |
|
/** |
981 |
< |
* invokeAny(empty collection) throws IAE |
981 |
> |
* invokeAny(empty collection) throws IllegalArgumentException |
982 |
|
*/ |
983 |
|
public void testInvokeAny2() throws Exception { |
984 |
< |
ExecutorService e = new CustomExecutor(2); |
985 |
< |
try { |
986 |
< |
e.invokeAny(new ArrayList<Callable<String>>()); |
987 |
< |
shouldThrow(); |
988 |
< |
} catch (IllegalArgumentException success) { |
989 |
< |
} finally { |
887 |
< |
joinPool(e); |
984 |
> |
final ExecutorService e = new CustomExecutor(2); |
985 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
986 |
> |
try { |
987 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
988 |
> |
shouldThrow(); |
989 |
> |
} catch (IllegalArgumentException success) {} |
990 |
|
} |
991 |
|
} |
992 |
|
|
994 |
|
* invokeAny(c) throws NPE if c has null elements |
995 |
|
*/ |
996 |
|
public void testInvokeAny3() throws Exception { |
997 |
< |
CountDownLatch latch = new CountDownLatch(1); |
998 |
< |
ExecutorService e = new CustomExecutor(2); |
999 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1000 |
< |
l.add(latchAwaitingStringTask(latch)); |
1001 |
< |
l.add(null); |
1002 |
< |
try { |
1003 |
< |
e.invokeAny(l); |
1004 |
< |
shouldThrow(); |
1005 |
< |
} catch (NullPointerException success) { |
1006 |
< |
} finally { |
997 |
> |
final CountDownLatch latch = new CountDownLatch(1); |
998 |
> |
final ExecutorService e = new CustomExecutor(2); |
999 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1000 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1001 |
> |
l.add(latchAwaitingStringTask(latch)); |
1002 |
> |
l.add(null); |
1003 |
> |
try { |
1004 |
> |
e.invokeAny(l); |
1005 |
> |
shouldThrow(); |
1006 |
> |
} catch (NullPointerException success) {} |
1007 |
|
latch.countDown(); |
906 |
– |
joinPool(e); |
1008 |
|
} |
1009 |
|
} |
1010 |
|
|
1012 |
|
* invokeAny(c) throws ExecutionException if no task completes |
1013 |
|
*/ |
1014 |
|
public void testInvokeAny4() throws Exception { |
1015 |
< |
ExecutorService e = new CustomExecutor(2); |
1016 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1017 |
< |
l.add(new NPETask()); |
1018 |
< |
try { |
1019 |
< |
e.invokeAny(l); |
1020 |
< |
shouldThrow(); |
1021 |
< |
} catch (ExecutionException success) { |
1022 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1023 |
< |
} finally { |
1024 |
< |
joinPool(e); |
1015 |
> |
final ExecutorService e = new CustomExecutor(2); |
1016 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1017 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1018 |
> |
l.add(new NPETask()); |
1019 |
> |
try { |
1020 |
> |
e.invokeAny(l); |
1021 |
> |
shouldThrow(); |
1022 |
> |
} catch (ExecutionException success) { |
1023 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1024 |
> |
} |
1025 |
|
} |
1026 |
|
} |
1027 |
|
|
1029 |
|
* invokeAny(c) returns result of some task |
1030 |
|
*/ |
1031 |
|
public void testInvokeAny5() throws Exception { |
1032 |
< |
ExecutorService e = new CustomExecutor(2); |
1033 |
< |
try { |
1034 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1032 |
> |
final ExecutorService e = new CustomExecutor(2); |
1033 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1034 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1035 |
|
l.add(new StringTask()); |
1036 |
|
l.add(new StringTask()); |
1037 |
|
String result = e.invokeAny(l); |
1038 |
|
assertSame(TEST_STRING, result); |
938 |
– |
} finally { |
939 |
– |
joinPool(e); |
1039 |
|
} |
1040 |
|
} |
1041 |
|
|
1043 |
|
* invokeAll(null) throws NPE |
1044 |
|
*/ |
1045 |
|
public void testInvokeAll1() throws Exception { |
1046 |
< |
ExecutorService e = new CustomExecutor(2); |
1047 |
< |
try { |
1048 |
< |
e.invokeAll(null); |
1049 |
< |
shouldThrow(); |
1050 |
< |
} catch (NullPointerException success) { |
1051 |
< |
} finally { |
953 |
< |
joinPool(e); |
1046 |
> |
final ExecutorService e = new CustomExecutor(2); |
1047 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1048 |
> |
try { |
1049 |
> |
e.invokeAll(null); |
1050 |
> |
shouldThrow(); |
1051 |
> |
} catch (NullPointerException success) {} |
1052 |
|
} |
1053 |
|
} |
1054 |
|
|
1055 |
|
/** |
1056 |
< |
* invokeAll(empty collection) returns empty collection |
1056 |
> |
* invokeAll(empty collection) returns empty list |
1057 |
|
*/ |
1058 |
|
public void testInvokeAll2() throws Exception { |
1059 |
< |
ExecutorService e = new CustomExecutor(2); |
1060 |
< |
try { |
1061 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1059 |
> |
final ExecutorService e = new CustomExecutor(2); |
1060 |
> |
final Collection<Callable<String>> emptyCollection |
1061 |
> |
= Collections.emptyList(); |
1062 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1063 |
> |
List<Future<String>> r = e.invokeAll(emptyCollection); |
1064 |
|
assertTrue(r.isEmpty()); |
965 |
– |
} finally { |
966 |
– |
joinPool(e); |
1065 |
|
} |
1066 |
|
} |
1067 |
|
|
1069 |
|
* invokeAll(c) throws NPE if c has null elements |
1070 |
|
*/ |
1071 |
|
public void testInvokeAll3() throws Exception { |
1072 |
< |
ExecutorService e = new CustomExecutor(2); |
1073 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1074 |
< |
l.add(new StringTask()); |
1075 |
< |
l.add(null); |
1076 |
< |
try { |
1077 |
< |
e.invokeAll(l); |
1078 |
< |
shouldThrow(); |
1079 |
< |
} catch (NullPointerException success) { |
1080 |
< |
} finally { |
983 |
< |
joinPool(e); |
1072 |
> |
final ExecutorService e = new CustomExecutor(2); |
1073 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1074 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1075 |
> |
l.add(new StringTask()); |
1076 |
> |
l.add(null); |
1077 |
> |
try { |
1078 |
> |
e.invokeAll(l); |
1079 |
> |
shouldThrow(); |
1080 |
> |
} catch (NullPointerException success) {} |
1081 |
|
} |
1082 |
|
} |
1083 |
|
|
1085 |
|
* get of invokeAll(c) throws exception on failed task |
1086 |
|
*/ |
1087 |
|
public void testInvokeAll4() throws Exception { |
1088 |
< |
ExecutorService e = new CustomExecutor(2); |
1089 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1090 |
< |
l.add(new NPETask()); |
1091 |
< |
List<Future<String>> futures = e.invokeAll(l); |
1092 |
< |
assertEquals(1, futures.size()); |
1093 |
< |
try { |
1094 |
< |
futures.get(0).get(); |
1095 |
< |
shouldThrow(); |
1096 |
< |
} catch (ExecutionException success) { |
1097 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1098 |
< |
} finally { |
1099 |
< |
joinPool(e); |
1088 |
> |
final ExecutorService e = new CustomExecutor(2); |
1089 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1090 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1091 |
> |
l.add(new NPETask()); |
1092 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1093 |
> |
assertEquals(1, futures.size()); |
1094 |
> |
try { |
1095 |
> |
futures.get(0).get(); |
1096 |
> |
shouldThrow(); |
1097 |
> |
} catch (ExecutionException success) { |
1098 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1099 |
> |
} |
1100 |
|
} |
1101 |
|
} |
1102 |
|
|
1104 |
|
* invokeAll(c) returns results of all completed tasks |
1105 |
|
*/ |
1106 |
|
public void testInvokeAll5() throws Exception { |
1107 |
< |
ExecutorService e = new CustomExecutor(2); |
1108 |
< |
try { |
1109 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1107 |
> |
final ExecutorService e = new CustomExecutor(2); |
1108 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1109 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1110 |
|
l.add(new StringTask()); |
1111 |
|
l.add(new StringTask()); |
1112 |
|
List<Future<String>> futures = e.invokeAll(l); |
1113 |
|
assertEquals(2, futures.size()); |
1114 |
|
for (Future<String> future : futures) |
1115 |
|
assertSame(TEST_STRING, future.get()); |
1019 |
– |
} finally { |
1020 |
– |
joinPool(e); |
1116 |
|
} |
1117 |
|
} |
1118 |
|
|
1120 |
|
* timed invokeAny(null) throws NPE |
1121 |
|
*/ |
1122 |
|
public void testTimedInvokeAny1() throws Exception { |
1123 |
< |
ExecutorService e = new CustomExecutor(2); |
1124 |
< |
try { |
1125 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1126 |
< |
shouldThrow(); |
1127 |
< |
} catch (NullPointerException success) { |
1128 |
< |
} finally { |
1034 |
< |
joinPool(e); |
1123 |
> |
final ExecutorService e = new CustomExecutor(2); |
1124 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1125 |
> |
try { |
1126 |
> |
e.invokeAny(null, randomTimeout(), randomTimeUnit()); |
1127 |
> |
shouldThrow(); |
1128 |
> |
} catch (NullPointerException success) {} |
1129 |
|
} |
1130 |
|
} |
1131 |
|
|
1133 |
|
* timed invokeAny(,,null) throws NPE |
1134 |
|
*/ |
1135 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1136 |
< |
ExecutorService e = new CustomExecutor(2); |
1137 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1138 |
< |
l.add(new StringTask()); |
1139 |
< |
try { |
1140 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1141 |
< |
shouldThrow(); |
1142 |
< |
} catch (NullPointerException success) { |
1143 |
< |
} finally { |
1050 |
< |
joinPool(e); |
1136 |
> |
final ExecutorService e = new CustomExecutor(2); |
1137 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1138 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1139 |
> |
l.add(new StringTask()); |
1140 |
> |
try { |
1141 |
> |
e.invokeAny(l, randomTimeout(), null); |
1142 |
> |
shouldThrow(); |
1143 |
> |
} catch (NullPointerException success) {} |
1144 |
|
} |
1145 |
|
} |
1146 |
|
|
1147 |
|
/** |
1148 |
< |
* timed invokeAny(empty collection) throws IAE |
1148 |
> |
* timed invokeAny(empty collection) throws IllegalArgumentException |
1149 |
|
*/ |
1150 |
|
public void testTimedInvokeAny2() throws Exception { |
1151 |
< |
ExecutorService e = new CustomExecutor(2); |
1152 |
< |
try { |
1153 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1154 |
< |
shouldThrow(); |
1155 |
< |
} catch (IllegalArgumentException success) { |
1156 |
< |
} finally { |
1157 |
< |
joinPool(e); |
1151 |
> |
final ExecutorService e = new CustomExecutor(2); |
1152 |
> |
final Collection<Callable<String>> emptyCollection |
1153 |
> |
= Collections.emptyList(); |
1154 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1155 |
> |
try { |
1156 |
> |
e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit()); |
1157 |
> |
shouldThrow(); |
1158 |
> |
} catch (IllegalArgumentException success) {} |
1159 |
|
} |
1160 |
|
} |
1161 |
|
|
1164 |
|
*/ |
1165 |
|
public void testTimedInvokeAny3() throws Exception { |
1166 |
|
CountDownLatch latch = new CountDownLatch(1); |
1167 |
< |
ExecutorService e = new CustomExecutor(2); |
1168 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1169 |
< |
l.add(latchAwaitingStringTask(latch)); |
1170 |
< |
l.add(null); |
1171 |
< |
try { |
1172 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1173 |
< |
shouldThrow(); |
1174 |
< |
} catch (NullPointerException success) { |
1175 |
< |
} finally { |
1167 |
> |
final ExecutorService e = new CustomExecutor(2); |
1168 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1169 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1170 |
> |
l.add(latchAwaitingStringTask(latch)); |
1171 |
> |
l.add(null); |
1172 |
> |
try { |
1173 |
> |
e.invokeAny(l, randomTimeout(), randomTimeUnit()); |
1174 |
> |
shouldThrow(); |
1175 |
> |
} catch (NullPointerException success) {} |
1176 |
|
latch.countDown(); |
1083 |
– |
joinPool(e); |
1177 |
|
} |
1178 |
|
} |
1179 |
|
|
1181 |
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1182 |
|
*/ |
1183 |
|
public void testTimedInvokeAny4() throws Exception { |
1184 |
< |
ExecutorService e = new CustomExecutor(2); |
1185 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1186 |
< |
l.add(new NPETask()); |
1187 |
< |
try { |
1188 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1189 |
< |
shouldThrow(); |
1190 |
< |
} catch (ExecutionException success) { |
1191 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1192 |
< |
} finally { |
1193 |
< |
joinPool(e); |
1184 |
> |
final ExecutorService e = new CustomExecutor(2); |
1185 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1186 |
> |
long startTime = System.nanoTime(); |
1187 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1188 |
> |
l.add(new NPETask()); |
1189 |
> |
try { |
1190 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1191 |
> |
shouldThrow(); |
1192 |
> |
} catch (ExecutionException success) { |
1193 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1194 |
> |
} |
1195 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1196 |
|
} |
1197 |
|
} |
1198 |
|
|
1200 |
|
* timed invokeAny(c) returns result of some task |
1201 |
|
*/ |
1202 |
|
public void testTimedInvokeAny5() throws Exception { |
1203 |
< |
ExecutorService e = new CustomExecutor(2); |
1204 |
< |
try { |
1205 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1203 |
> |
final ExecutorService e = new CustomExecutor(2); |
1204 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1205 |
> |
long startTime = System.nanoTime(); |
1206 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1207 |
|
l.add(new StringTask()); |
1208 |
|
l.add(new StringTask()); |
1209 |
< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1209 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1210 |
|
assertSame(TEST_STRING, result); |
1211 |
< |
} finally { |
1116 |
< |
joinPool(e); |
1211 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1212 |
|
} |
1213 |
|
} |
1214 |
|
|
1215 |
|
/** |
1216 |
< |
* timed invokeAll(null) throws NPE |
1216 |
> |
* timed invokeAll(null) throws NullPointerException |
1217 |
|
*/ |
1218 |
|
public void testTimedInvokeAll1() throws Exception { |
1219 |
< |
ExecutorService e = new CustomExecutor(2); |
1220 |
< |
try { |
1221 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1222 |
< |
shouldThrow(); |
1223 |
< |
} catch (NullPointerException success) { |
1224 |
< |
} finally { |
1130 |
< |
joinPool(e); |
1219 |
> |
final ExecutorService e = new CustomExecutor(2); |
1220 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1221 |
> |
try { |
1222 |
> |
e.invokeAll(null, randomTimeout(), randomTimeUnit()); |
1223 |
> |
shouldThrow(); |
1224 |
> |
} catch (NullPointerException success) {} |
1225 |
|
} |
1226 |
|
} |
1227 |
|
|
1228 |
|
/** |
1229 |
< |
* timed invokeAll(,,null) throws NPE |
1229 |
> |
* timed invokeAll(,,null) throws NullPointerException |
1230 |
|
*/ |
1231 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1232 |
< |
ExecutorService e = new CustomExecutor(2); |
1233 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1234 |
< |
l.add(new StringTask()); |
1235 |
< |
try { |
1236 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1237 |
< |
shouldThrow(); |
1238 |
< |
} catch (NullPointerException success) { |
1239 |
< |
} finally { |
1146 |
< |
joinPool(e); |
1232 |
> |
final ExecutorService e = new CustomExecutor(2); |
1233 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1234 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1235 |
> |
l.add(new StringTask()); |
1236 |
> |
try { |
1237 |
> |
e.invokeAll(l, randomTimeout(), null); |
1238 |
> |
shouldThrow(); |
1239 |
> |
} catch (NullPointerException success) {} |
1240 |
|
} |
1241 |
|
} |
1242 |
|
|
1243 |
|
/** |
1244 |
< |
* timed invokeAll(empty collection) returns empty collection |
1244 |
> |
* timed invokeAll(empty collection) returns empty list |
1245 |
|
*/ |
1246 |
|
public void testTimedInvokeAll2() throws Exception { |
1247 |
< |
ExecutorService e = new CustomExecutor(2); |
1248 |
< |
try { |
1249 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1247 |
> |
final ExecutorService e = new CustomExecutor(2); |
1248 |
> |
final Collection<Callable<String>> emptyCollection |
1249 |
> |
= Collections.emptyList(); |
1250 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1251 |
> |
List<Future<String>> r = |
1252 |
> |
e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit()); |
1253 |
|
assertTrue(r.isEmpty()); |
1158 |
– |
} finally { |
1159 |
– |
joinPool(e); |
1254 |
|
} |
1255 |
|
} |
1256 |
|
|
1258 |
|
* timed invokeAll(c) throws NPE if c has null elements |
1259 |
|
*/ |
1260 |
|
public void testTimedInvokeAll3() throws Exception { |
1261 |
< |
ExecutorService e = new CustomExecutor(2); |
1262 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1263 |
< |
l.add(new StringTask()); |
1264 |
< |
l.add(null); |
1265 |
< |
try { |
1266 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1267 |
< |
shouldThrow(); |
1268 |
< |
} catch (NullPointerException success) { |
1269 |
< |
} finally { |
1176 |
< |
joinPool(e); |
1261 |
> |
final ExecutorService e = new CustomExecutor(2); |
1262 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1263 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1264 |
> |
l.add(new StringTask()); |
1265 |
> |
l.add(null); |
1266 |
> |
try { |
1267 |
> |
e.invokeAll(l, randomTimeout(), randomTimeUnit()); |
1268 |
> |
shouldThrow(); |
1269 |
> |
} catch (NullPointerException success) {} |
1270 |
|
} |
1271 |
|
} |
1272 |
|
|
1274 |
|
* get of element of invokeAll(c) throws exception on failed task |
1275 |
|
*/ |
1276 |
|
public void testTimedInvokeAll4() throws Exception { |
1277 |
< |
ExecutorService e = new CustomExecutor(2); |
1278 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1279 |
< |
l.add(new NPETask()); |
1280 |
< |
List<Future<String>> futures = |
1281 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1282 |
< |
assertEquals(1, futures.size()); |
1283 |
< |
try { |
1284 |
< |
futures.get(0).get(); |
1285 |
< |
shouldThrow(); |
1286 |
< |
} catch (ExecutionException success) { |
1287 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1288 |
< |
} finally { |
1289 |
< |
joinPool(e); |
1277 |
> |
final ExecutorService e = new CustomExecutor(2); |
1278 |
> |
final Collection<Callable<String>> c = new ArrayList<>(); |
1279 |
> |
c.add(new NPETask()); |
1280 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1281 |
> |
List<Future<String>> futures = |
1282 |
> |
e.invokeAll(c, LONG_DELAY_MS, MILLISECONDS); |
1283 |
> |
assertEquals(1, futures.size()); |
1284 |
> |
try { |
1285 |
> |
futures.get(0).get(); |
1286 |
> |
shouldThrow(); |
1287 |
> |
} catch (ExecutionException success) { |
1288 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1289 |
> |
} |
1290 |
|
} |
1291 |
|
} |
1292 |
|
|
1294 |
|
* timed invokeAll(c) returns results of all completed tasks |
1295 |
|
*/ |
1296 |
|
public void testTimedInvokeAll5() throws Exception { |
1297 |
< |
ExecutorService e = new CustomExecutor(2); |
1298 |
< |
try { |
1299 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1297 |
> |
final ExecutorService e = new CustomExecutor(2); |
1298 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1299 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1300 |
|
l.add(new StringTask()); |
1301 |
|
l.add(new StringTask()); |
1302 |
|
List<Future<String>> futures = |
1303 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1303 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1304 |
|
assertEquals(2, futures.size()); |
1305 |
|
for (Future<String> future : futures) |
1306 |
|
assertSame(TEST_STRING, future.get()); |
1214 |
– |
} finally { |
1215 |
– |
joinPool(e); |
1307 |
|
} |
1308 |
|
} |
1309 |
|
|
1311 |
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1312 |
|
*/ |
1313 |
|
public void testTimedInvokeAll6() throws Exception { |
1314 |
< |
ExecutorService e = new CustomExecutor(2); |
1315 |
< |
try { |
1316 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1317 |
< |
l.add(new StringTask()); |
1318 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1319 |
< |
l.add(new StringTask()); |
1320 |
< |
List<Future<String>> futures = |
1321 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1322 |
< |
assertEquals(l.size(), futures.size()); |
1323 |
< |
for (Future future : futures) |
1324 |
< |
assertTrue(future.isDone()); |
1325 |
< |
assertFalse(futures.get(0).isCancelled()); |
1326 |
< |
assertTrue(futures.get(1).isCancelled()); |
1327 |
< |
} finally { |
1328 |
< |
joinPool(e); |
1314 |
> |
for (long timeout = timeoutMillis();;) { |
1315 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1316 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1317 |
> |
public String realCall() { |
1318 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1319 |
> |
catch (InterruptedException ok) {} |
1320 |
> |
return "1"; }}; |
1321 |
> |
final ExecutorService p = new CustomExecutor(2); |
1322 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1323 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1324 |
> |
tasks.add(new StringTask("0")); |
1325 |
> |
tasks.add(waiter); |
1326 |
> |
tasks.add(new StringTask("2")); |
1327 |
> |
long startTime = System.nanoTime(); |
1328 |
> |
List<Future<String>> futures = |
1329 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1330 |
> |
assertEquals(tasks.size(), futures.size()); |
1331 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1332 |
> |
for (Future future : futures) |
1333 |
> |
assertTrue(future.isDone()); |
1334 |
> |
assertTrue(futures.get(1).isCancelled()); |
1335 |
> |
try { |
1336 |
> |
assertEquals("0", futures.get(0).get()); |
1337 |
> |
assertEquals("2", futures.get(2).get()); |
1338 |
> |
break; |
1339 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1340 |
> |
timeout *= 2; |
1341 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1342 |
> |
fail("expected exactly one task to be cancelled"); |
1343 |
> |
} |
1344 |
> |
} |
1345 |
|
} |
1346 |
|
} |
1347 |
|
|