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 java.util.concurrent.atomic.*; |
8 |
> |
|
9 |
> |
import java.util.ArrayList; |
10 |
> |
import java.util.List; |
11 |
> |
import java.util.concurrent.BlockingQueue; |
12 |
> |
import java.util.concurrent.Callable; |
13 |
> |
import java.util.concurrent.CountDownLatch; |
14 |
> |
import java.util.concurrent.Delayed; |
15 |
> |
import java.util.concurrent.ExecutionException; |
16 |
> |
import java.util.concurrent.Executors; |
17 |
> |
import java.util.concurrent.ExecutorService; |
18 |
> |
import java.util.concurrent.Future; |
19 |
> |
import java.util.concurrent.RejectedExecutionException; |
20 |
> |
import java.util.concurrent.RejectedExecutionHandler; |
21 |
> |
import java.util.concurrent.RunnableScheduledFuture; |
22 |
> |
import java.util.concurrent.ScheduledFuture; |
23 |
> |
import java.util.concurrent.ScheduledThreadPoolExecutor; |
24 |
> |
import java.util.concurrent.ThreadFactory; |
25 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
26 |
> |
import java.util.concurrent.TimeoutException; |
27 |
> |
import java.util.concurrent.TimeUnit; |
28 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
29 |
> |
|
30 |
> |
import junit.framework.Test; |
31 |
> |
import junit.framework.TestSuite; |
32 |
|
|
33 |
|
public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
34 |
|
public static void main(String[] args) { |
56 |
|
} |
57 |
|
public boolean isCancelled() { return task.isCancelled(); } |
58 |
|
public boolean isDone() { return task.isDone(); } |
59 |
< |
public V get() throws InterruptedException, ExecutionException { |
59 |
> |
public V get() throws InterruptedException, ExecutionException { |
60 |
|
V v = task.get(); |
61 |
|
assertTrue(ran); |
62 |
|
return v; |
63 |
|
} |
64 |
< |
public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
64 |
> |
public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
65 |
|
V v = task.get(time, unit); |
66 |
|
assertTrue(ran); |
67 |
|
return v; |
68 |
|
} |
69 |
|
} |
70 |
|
|
51 |
– |
|
71 |
|
public class CustomExecutor extends ScheduledThreadPoolExecutor { |
72 |
|
|
73 |
|
protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
77 |
|
protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) { |
78 |
|
return new CustomTask<V>(task); |
79 |
|
} |
80 |
< |
CustomExecutor(int corePoolSize) { super(corePoolSize);} |
80 |
> |
CustomExecutor(int corePoolSize) { super(corePoolSize); } |
81 |
|
CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) { |
82 |
|
super(corePoolSize, handler); |
83 |
|
} |
92 |
|
|
93 |
|
} |
94 |
|
|
76 |
– |
|
95 |
|
/** |
96 |
|
* execute successfully executes a runnable |
97 |
|
*/ |
110 |
|
} |
111 |
|
} |
112 |
|
|
95 |
– |
|
113 |
|
/** |
114 |
|
* delayed schedule of callable successfully executes after delay |
115 |
|
*/ |
116 |
|
public void testSchedule1() throws Exception { |
117 |
|
CustomExecutor p = new CustomExecutor(1); |
118 |
< |
final long t0 = System.nanoTime(); |
102 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
118 |
> |
final long startTime = System.nanoTime(); |
119 |
|
final CountDownLatch done = new CountDownLatch(1); |
120 |
|
try { |
121 |
|
Callable task = new CheckedCallable<Boolean>() { |
122 |
|
public Boolean realCall() { |
123 |
|
done.countDown(); |
124 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
124 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
125 |
|
return Boolean.TRUE; |
126 |
|
}}; |
127 |
< |
Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
128 |
< |
assertEquals(Boolean.TRUE, f.get()); |
129 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
127 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
128 |
> |
assertSame(Boolean.TRUE, f.get()); |
129 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
130 |
|
assertTrue(done.await(0L, MILLISECONDS)); |
131 |
|
} finally { |
132 |
|
joinPool(p); |
138 |
|
*/ |
139 |
|
public void testSchedule3() throws Exception { |
140 |
|
CustomExecutor p = new CustomExecutor(1); |
141 |
< |
final long t0 = System.nanoTime(); |
126 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
141 |
> |
final long startTime = System.nanoTime(); |
142 |
|
final CountDownLatch done = new CountDownLatch(1); |
143 |
|
try { |
144 |
|
Runnable task = new CheckedRunnable() { |
145 |
|
public void realRun() { |
146 |
|
done.countDown(); |
147 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
147 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
148 |
|
}}; |
149 |
< |
Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
150 |
< |
assertNull(f.get()); |
151 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
152 |
< |
assertTrue(done.await(0L, MILLISECONDS)); |
149 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
150 |
> |
await(done); |
151 |
> |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
152 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
153 |
|
} finally { |
154 |
|
joinPool(p); |
155 |
|
} |
160 |
|
*/ |
161 |
|
public void testSchedule4() throws InterruptedException { |
162 |
|
CustomExecutor p = new CustomExecutor(1); |
163 |
< |
final long t0 = System.nanoTime(); |
149 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
163 |
> |
final long startTime = System.nanoTime(); |
164 |
|
final CountDownLatch done = new CountDownLatch(1); |
165 |
|
try { |
166 |
|
Runnable task = new CheckedRunnable() { |
167 |
|
public void realRun() { |
168 |
|
done.countDown(); |
169 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
169 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
170 |
|
}}; |
171 |
|
ScheduledFuture f = |
172 |
< |
p.scheduleAtFixedRate(task, SHORT_DELAY_MS, |
173 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
174 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
175 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
172 |
> |
p.scheduleAtFixedRate(task, timeoutMillis(), |
173 |
> |
LONG_DELAY_MS, MILLISECONDS); |
174 |
> |
await(done); |
175 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
176 |
|
f.cancel(true); |
177 |
|
} finally { |
178 |
|
joinPool(p); |
184 |
|
*/ |
185 |
|
public void testSchedule5() throws InterruptedException { |
186 |
|
CustomExecutor p = new CustomExecutor(1); |
187 |
< |
final long t0 = System.nanoTime(); |
174 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
187 |
> |
final long startTime = System.nanoTime(); |
188 |
|
final CountDownLatch done = new CountDownLatch(1); |
189 |
|
try { |
190 |
|
Runnable task = new CheckedRunnable() { |
191 |
|
public void realRun() { |
192 |
|
done.countDown(); |
193 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
193 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
194 |
|
}}; |
195 |
|
ScheduledFuture f = |
196 |
< |
p.scheduleWithFixedDelay(task, SHORT_DELAY_MS, |
197 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
198 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
199 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
196 |
> |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
197 |
> |
LONG_DELAY_MS, MILLISECONDS); |
198 |
> |
await(done); |
199 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
200 |
|
f.cancel(true); |
201 |
|
} finally { |
202 |
|
joinPool(p); |
213 |
|
*/ |
214 |
|
public void testFixedRateSequence() throws InterruptedException { |
215 |
|
CustomExecutor p = new CustomExecutor(1); |
216 |
< |
RunnableCounter counter = new RunnableCounter(); |
217 |
< |
ScheduledFuture h = |
218 |
< |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
219 |
< |
delay(SMALL_DELAY_MS); |
220 |
< |
h.cancel(true); |
221 |
< |
int c = counter.count.get(); |
222 |
< |
// By time scaling conventions, we must have at least |
223 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
224 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
225 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
226 |
< |
joinPool(p); |
216 |
> |
try { |
217 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
218 |
> |
long startTime = System.nanoTime(); |
219 |
> |
int cycles = 10; |
220 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
221 |
> |
Runnable task = new CheckedRunnable() { |
222 |
> |
public void realRun() { done.countDown(); }}; |
223 |
> |
ScheduledFuture h = |
224 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
225 |
> |
done.await(); |
226 |
> |
h.cancel(true); |
227 |
> |
double normalizedTime = |
228 |
> |
(double) millisElapsedSince(startTime) / delay; |
229 |
> |
if (normalizedTime >= cycles - 1 && |
230 |
> |
normalizedTime <= cycles) |
231 |
> |
return; |
232 |
> |
} |
233 |
> |
throw new AssertionError("unexpected execution rate"); |
234 |
> |
} finally { |
235 |
> |
joinPool(p); |
236 |
> |
} |
237 |
|
} |
238 |
|
|
239 |
|
/** |
241 |
|
*/ |
242 |
|
public void testFixedDelaySequence() throws InterruptedException { |
243 |
|
CustomExecutor p = new CustomExecutor(1); |
244 |
< |
RunnableCounter counter = new RunnableCounter(); |
245 |
< |
ScheduledFuture h = |
246 |
< |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
247 |
< |
delay(SMALL_DELAY_MS); |
248 |
< |
h.cancel(true); |
249 |
< |
int c = counter.count.get(); |
250 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
251 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
252 |
< |
joinPool(p); |
244 |
> |
try { |
245 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
246 |
> |
long startTime = System.nanoTime(); |
247 |
> |
int cycles = 10; |
248 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
249 |
> |
Runnable task = new CheckedRunnable() { |
250 |
> |
public void realRun() { done.countDown(); }}; |
251 |
> |
ScheduledFuture h = |
252 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
253 |
> |
done.await(); |
254 |
> |
h.cancel(true); |
255 |
> |
double normalizedTime = |
256 |
> |
(double) millisElapsedSince(startTime) / delay; |
257 |
> |
if (normalizedTime >= cycles - 1 && |
258 |
> |
normalizedTime <= cycles) |
259 |
> |
return; |
260 |
> |
} |
261 |
> |
throw new AssertionError("unexpected execution rate"); |
262 |
> |
} finally { |
263 |
> |
joinPool(p); |
264 |
> |
} |
265 |
|
} |
266 |
|
|
232 |
– |
|
267 |
|
/** |
268 |
|
* execute(null) throws NPE |
269 |
|
*/ |
412 |
|
threadProceed.await(); |
413 |
|
threadDone.countDown(); |
414 |
|
}}); |
415 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
415 |
> |
await(threadStarted); |
416 |
|
assertEquals(0, p.getCompletedTaskCount()); |
417 |
|
threadProceed.countDown(); |
418 |
|
threadDone.await(); |
419 |
< |
delay(SHORT_DELAY_MS); |
420 |
< |
assertEquals(1, p.getCompletedTaskCount()); |
419 |
> |
long startTime = System.nanoTime(); |
420 |
> |
while (p.getCompletedTaskCount() != 1) { |
421 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
422 |
> |
fail("timed out"); |
423 |
> |
Thread.yield(); |
424 |
> |
} |
425 |
|
} finally { |
426 |
|
joinPool(p); |
427 |
|
} |
561 |
|
assertTrue(p.isShutdown()); |
562 |
|
} |
563 |
|
|
526 |
– |
|
564 |
|
/** |
565 |
|
* isTerminated is false before termination, true after |
566 |
|
*/ |
751 |
|
} |
752 |
|
} |
753 |
|
|
717 |
– |
|
754 |
|
/** |
755 |
|
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
756 |
|
* delayed tasks are cancelled at shutdown |
777 |
|
} |
778 |
|
} |
779 |
|
|
744 |
– |
|
780 |
|
/** |
781 |
|
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
782 |
|
* periodic tasks are cancelled at shutdown |
1246 |
|
l.add(new StringTask()); |
1247 |
|
List<Future<String>> futures = |
1248 |
|
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1249 |
< |
assertEquals(3, futures.size()); |
1250 |
< |
Iterator<Future<String>> it = futures.iterator(); |
1251 |
< |
Future<String> f1 = it.next(); |
1252 |
< |
Future<String> f2 = it.next(); |
1253 |
< |
Future<String> f3 = it.next(); |
1219 |
< |
assertTrue(f1.isDone()); |
1220 |
< |
assertTrue(f2.isDone()); |
1221 |
< |
assertTrue(f3.isDone()); |
1222 |
< |
assertFalse(f1.isCancelled()); |
1223 |
< |
assertTrue(f2.isCancelled()); |
1249 |
> |
assertEquals(l.size(), futures.size()); |
1250 |
> |
for (Future future : futures) |
1251 |
> |
assertTrue(future.isDone()); |
1252 |
> |
assertFalse(futures.get(0).isCancelled()); |
1253 |
> |
assertTrue(futures.get(1).isCancelled()); |
1254 |
|
} finally { |
1255 |
|
joinPool(e); |
1256 |
|
} |