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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.*; |
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import java.util.concurrent.*; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
8 |
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import java.util.concurrent.atomic.*; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
9 |
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|
10 |
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import java.util.ArrayList; |
11 |
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import java.util.HashSet; |
12 |
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import java.util.List; |
13 |
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import java.util.concurrent.BlockingQueue; |
14 |
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import java.util.concurrent.Callable; |
15 |
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import java.util.concurrent.CancellationException; |
16 |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.Delayed; |
18 |
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import java.util.concurrent.ExecutionException; |
19 |
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import java.util.concurrent.Executors; |
20 |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.RejectedExecutionHandler; |
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import java.util.concurrent.RunnableScheduledFuture; |
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import java.util.concurrent.ScheduledFuture; |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
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import java.util.concurrent.ThreadFactory; |
28 |
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import java.util.concurrent.ThreadPoolExecutor; |
29 |
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import java.util.concurrent.TimeoutException; |
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import java.util.concurrent.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
32 |
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|
33 |
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import junit.framework.Test; |
34 |
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import junit.framework.TestSuite; |
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|
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public class ScheduledExecutorSubclassTest extends JSR166TestCase { |
37 |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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> |
main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorSubclassTest.class); |
59 |
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} |
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public boolean isCancelled() { return task.isCancelled(); } |
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public boolean isDone() { return task.isDone(); } |
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public V get() throws InterruptedException, ExecutionException { |
62 |
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public V get() throws InterruptedException, ExecutionException { |
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V v = task.get(); |
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assertTrue(ran); |
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return v; |
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} |
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public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
67 |
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public V get(long time, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { |
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V v = task.get(time, unit); |
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assertTrue(ran); |
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return v; |
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} |
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} |
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|
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|
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public class CustomExecutor extends ScheduledThreadPoolExecutor { |
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|
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protected <V> RunnableScheduledFuture<V> decorateTask(Runnable r, RunnableScheduledFuture<V> task) { |
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protected <V> RunnableScheduledFuture<V> decorateTask(Callable<V> c, RunnableScheduledFuture<V> task) { |
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return new CustomTask<V>(task); |
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} |
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CustomExecutor(int corePoolSize) { super(corePoolSize);} |
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CustomExecutor(int corePoolSize) { super(corePoolSize); } |
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CustomExecutor(int corePoolSize, RejectedExecutionHandler handler) { |
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super(corePoolSize, handler); |
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} |
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|
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} |
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|
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|
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/** |
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* execute successfully executes a runnable |
100 |
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*/ |
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} |
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} |
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|
95 |
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|
116 |
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/** |
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* delayed schedule of callable successfully executes after delay |
118 |
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*/ |
119 |
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public void testSchedule1() throws Exception { |
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CustomExecutor p = new CustomExecutor(1); |
121 |
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final long t0 = System.nanoTime(); |
102 |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
121 |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
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try { |
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Callable task = new CheckedCallable<Boolean>() { |
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public Boolean realCall() { |
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done.countDown(); |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
127 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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}}; |
130 |
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Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
131 |
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assertEquals(Boolean.TRUE, f.get()); |
132 |
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assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
130 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
131 |
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assertSame(Boolean.TRUE, f.get()); |
132 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
133 |
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assertTrue(done.await(0L, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
141 |
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*/ |
142 |
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public void testSchedule3() throws Exception { |
143 |
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CustomExecutor p = new CustomExecutor(1); |
144 |
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final long t0 = System.nanoTime(); |
126 |
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final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
144 |
> |
final long startTime = System.nanoTime(); |
145 |
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final CountDownLatch done = new CountDownLatch(1); |
146 |
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try { |
147 |
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Runnable task = new CheckedRunnable() { |
148 |
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public void realRun() { |
149 |
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done.countDown(); |
150 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
150 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
151 |
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}}; |
152 |
< |
Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
153 |
< |
assertNull(f.get()); |
154 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
155 |
< |
assertTrue(done.await(0L, MILLISECONDS)); |
152 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
153 |
> |
await(done); |
154 |
> |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
155 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
156 |
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} finally { |
157 |
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joinPool(p); |
158 |
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} |
163 |
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*/ |
164 |
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public void testSchedule4() throws InterruptedException { |
165 |
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CustomExecutor p = new CustomExecutor(1); |
166 |
< |
final long t0 = System.nanoTime(); |
149 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
166 |
> |
final long startTime = System.nanoTime(); |
167 |
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final CountDownLatch done = new CountDownLatch(1); |
168 |
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try { |
169 |
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Runnable task = new CheckedRunnable() { |
170 |
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public void realRun() { |
171 |
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done.countDown(); |
172 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
172 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
173 |
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}}; |
174 |
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ScheduledFuture f = |
175 |
< |
p.scheduleAtFixedRate(task, SHORT_DELAY_MS, |
176 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
177 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
178 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
175 |
> |
p.scheduleAtFixedRate(task, timeoutMillis(), |
176 |
> |
LONG_DELAY_MS, MILLISECONDS); |
177 |
> |
await(done); |
178 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
179 |
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f.cancel(true); |
180 |
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} finally { |
181 |
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joinPool(p); |
187 |
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*/ |
188 |
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public void testSchedule5() throws InterruptedException { |
189 |
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CustomExecutor p = new CustomExecutor(1); |
190 |
< |
final long t0 = System.nanoTime(); |
174 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
190 |
> |
final long startTime = System.nanoTime(); |
191 |
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final CountDownLatch done = new CountDownLatch(1); |
192 |
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try { |
193 |
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Runnable task = new CheckedRunnable() { |
194 |
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public void realRun() { |
195 |
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done.countDown(); |
196 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
196 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
197 |
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}}; |
198 |
|
ScheduledFuture f = |
199 |
< |
p.scheduleWithFixedDelay(task, SHORT_DELAY_MS, |
200 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
201 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
202 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
199 |
> |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
200 |
> |
LONG_DELAY_MS, MILLISECONDS); |
201 |
> |
await(done); |
202 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
203 |
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f.cancel(true); |
204 |
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} finally { |
205 |
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joinPool(p); |
216 |
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*/ |
217 |
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public void testFixedRateSequence() throws InterruptedException { |
218 |
|
CustomExecutor p = new CustomExecutor(1); |
219 |
< |
RunnableCounter counter = new RunnableCounter(); |
220 |
< |
ScheduledFuture h = |
221 |
< |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
222 |
< |
Thread.sleep(SMALL_DELAY_MS); |
223 |
< |
h.cancel(true); |
224 |
< |
int c = counter.count.get(); |
225 |
< |
// By time scaling conventions, we must have at least |
226 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
227 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
228 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
229 |
< |
joinPool(p); |
219 |
> |
try { |
220 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
221 |
> |
long startTime = System.nanoTime(); |
222 |
> |
int cycles = 10; |
223 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
224 |
> |
Runnable task = new CheckedRunnable() { |
225 |
> |
public void realRun() { done.countDown(); }}; |
226 |
> |
ScheduledFuture h = |
227 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
228 |
> |
done.await(); |
229 |
> |
h.cancel(true); |
230 |
> |
double normalizedTime = |
231 |
> |
(double) millisElapsedSince(startTime) / delay; |
232 |
> |
if (normalizedTime >= cycles - 1 && |
233 |
> |
normalizedTime <= cycles) |
234 |
> |
return; |
235 |
> |
} |
236 |
> |
throw new AssertionError("unexpected execution rate"); |
237 |
> |
} finally { |
238 |
> |
joinPool(p); |
239 |
> |
} |
240 |
|
} |
241 |
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|
242 |
|
/** |
244 |
|
*/ |
245 |
|
public void testFixedDelaySequence() throws InterruptedException { |
246 |
|
CustomExecutor p = new CustomExecutor(1); |
247 |
< |
RunnableCounter counter = new RunnableCounter(); |
248 |
< |
ScheduledFuture h = |
249 |
< |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
250 |
< |
Thread.sleep(SMALL_DELAY_MS); |
251 |
< |
h.cancel(true); |
252 |
< |
int c = counter.count.get(); |
253 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
254 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
255 |
< |
joinPool(p); |
247 |
> |
try { |
248 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
249 |
> |
long startTime = System.nanoTime(); |
250 |
> |
int cycles = 10; |
251 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
252 |
> |
Runnable task = new CheckedRunnable() { |
253 |
> |
public void realRun() { done.countDown(); }}; |
254 |
> |
ScheduledFuture h = |
255 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
256 |
> |
done.await(); |
257 |
> |
h.cancel(true); |
258 |
> |
double normalizedTime = |
259 |
> |
(double) millisElapsedSince(startTime) / delay; |
260 |
> |
if (normalizedTime >= cycles - 1 && |
261 |
> |
normalizedTime <= cycles) |
262 |
> |
return; |
263 |
> |
} |
264 |
> |
throw new AssertionError("unexpected execution rate"); |
265 |
> |
} finally { |
266 |
> |
joinPool(p); |
267 |
> |
} |
268 |
|
} |
269 |
|
|
232 |
– |
|
270 |
|
/** |
271 |
|
* execute(null) throws NPE |
272 |
|
*/ |
328 |
|
/** |
329 |
|
* schedule callable throws RejectedExecutionException if shutdown |
330 |
|
*/ |
331 |
< |
public void testSchedule3_RejectedExecutionException() { |
332 |
< |
CustomExecutor se = new CustomExecutor(1); |
333 |
< |
try { |
334 |
< |
se.shutdown(); |
335 |
< |
se.schedule(new NoOpCallable(), |
336 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
337 |
< |
shouldThrow(); |
338 |
< |
} catch (RejectedExecutionException success) { |
339 |
< |
} catch (SecurityException ok) { |
340 |
< |
} |
341 |
< |
joinPool(se); |
331 |
> |
public void testSchedule3_RejectedExecutionException() { |
332 |
> |
CustomExecutor se = new CustomExecutor(1); |
333 |
> |
try { |
334 |
> |
se.shutdown(); |
335 |
> |
se.schedule(new NoOpCallable(), |
336 |
> |
MEDIUM_DELAY_MS, MILLISECONDS); |
337 |
> |
shouldThrow(); |
338 |
> |
} catch (RejectedExecutionException success) { |
339 |
> |
} catch (SecurityException ok) { |
340 |
> |
} |
341 |
> |
joinPool(se); |
342 |
|
} |
343 |
|
|
344 |
|
/** |
415 |
|
threadProceed.await(); |
416 |
|
threadDone.countDown(); |
417 |
|
}}); |
418 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
418 |
> |
await(threadStarted); |
419 |
|
assertEquals(0, p.getCompletedTaskCount()); |
420 |
|
threadProceed.countDown(); |
421 |
|
threadDone.await(); |
422 |
< |
Thread.sleep(SHORT_DELAY_MS); |
423 |
< |
assertEquals(1, p.getCompletedTaskCount()); |
422 |
> |
long startTime = System.nanoTime(); |
423 |
> |
while (p.getCompletedTaskCount() != 1) { |
424 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
425 |
> |
fail("timed out"); |
426 |
> |
Thread.yield(); |
427 |
> |
} |
428 |
|
} finally { |
429 |
|
joinPool(p); |
430 |
|
} |
551 |
|
} |
552 |
|
|
553 |
|
/** |
554 |
< |
* isShutDown is false before shutdown, true after |
554 |
> |
* isShutdown is false before shutdown, true after |
555 |
|
*/ |
556 |
|
public void testIsShutdown() { |
557 |
|
CustomExecutor p = new CustomExecutor(1); |
564 |
|
assertTrue(p.isShutdown()); |
565 |
|
} |
566 |
|
|
526 |
– |
|
567 |
|
/** |
568 |
|
* isTerminated is false before termination, true after |
569 |
|
*/ |
575 |
|
try { |
576 |
|
p.execute(new CheckedRunnable() { |
577 |
|
public void realRun() throws InterruptedException { |
538 |
– |
threadStarted.countDown(); |
578 |
|
assertFalse(p.isTerminated()); |
579 |
+ |
threadStarted.countDown(); |
580 |
|
done.await(); |
581 |
|
}}); |
582 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
583 |
+ |
assertFalse(p.isTerminating()); |
584 |
|
done.countDown(); |
585 |
|
} finally { |
586 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
600 |
|
assertFalse(p.isTerminating()); |
601 |
|
p.execute(new CheckedRunnable() { |
602 |
|
public void realRun() throws InterruptedException { |
562 |
– |
threadStarted.countDown(); |
603 |
|
assertFalse(p.isTerminating()); |
604 |
+ |
threadStarted.countDown(); |
605 |
|
done.await(); |
606 |
|
}}); |
607 |
|
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
682 |
|
public void testPurge() throws InterruptedException { |
683 |
|
CustomExecutor p = new CustomExecutor(1); |
684 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
685 |
< |
for (int i = 0; i < tasks.length; i++) { |
686 |
< |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
687 |
< |
} |
685 |
> |
for (int i = 0; i < tasks.length; i++) |
686 |
> |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
687 |
> |
LONG_DELAY_MS, MILLISECONDS); |
688 |
|
try { |
689 |
|
int max = tasks.length; |
690 |
|
if (tasks[4].cancel(true)) --max; |
691 |
|
if (tasks[3].cancel(true)) --max; |
692 |
|
// There must eventually be an interference-free point at |
693 |
|
// which purge will not fail. (At worst, when queue is empty.) |
694 |
< |
int k; |
695 |
< |
for (k = 0; k < SMALL_DELAY_MS; ++k) { |
694 |
> |
long startTime = System.nanoTime(); |
695 |
> |
do { |
696 |
|
p.purge(); |
697 |
|
long count = p.getTaskCount(); |
698 |
< |
if (count >= 0 && count <= max) |
699 |
< |
break; |
700 |
< |
Thread.sleep(1); |
701 |
< |
} |
661 |
< |
assertTrue(k < SMALL_DELAY_MS); |
698 |
> |
if (count == max) |
699 |
> |
return; |
700 |
> |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
701 |
> |
fail("Purge failed to remove cancelled tasks"); |
702 |
|
} finally { |
703 |
|
for (ScheduledFuture task : tasks) |
704 |
|
task.cancel(true); |
707 |
|
} |
708 |
|
|
709 |
|
/** |
710 |
< |
* shutDownNow returns a list containing tasks that were not run |
710 |
> |
* shutdownNow returns a list containing tasks that were not run, |
711 |
> |
* and those tasks are drained from the queue |
712 |
|
*/ |
713 |
< |
public void testShutDownNow() { |
713 |
> |
public void testShutdownNow() throws InterruptedException { |
714 |
> |
final int poolSize = 2; |
715 |
> |
final int count = 5; |
716 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
717 |
> |
final CustomExecutor p = new CustomExecutor(poolSize); |
718 |
> |
CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
719 |
> |
CheckedRunnable waiter = new CheckedRunnable() { public void realRun() { |
720 |
> |
threadsStarted.countDown(); |
721 |
> |
try { |
722 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
723 |
> |
} catch (InterruptedException success) {} |
724 |
> |
ran.getAndIncrement(); |
725 |
> |
}}; |
726 |
> |
for (int i = 0; i < count; i++) |
727 |
> |
p.execute(waiter); |
728 |
> |
assertTrue(threadsStarted.await(LONG_DELAY_MS, MILLISECONDS)); |
729 |
> |
final List<Runnable> queuedTasks; |
730 |
> |
try { |
731 |
> |
queuedTasks = p.shutdownNow(); |
732 |
> |
} catch (SecurityException ok) { |
733 |
> |
return; // Allowed in case test doesn't have privs |
734 |
> |
} |
735 |
> |
assertTrue(p.isShutdown()); |
736 |
> |
assertTrue(p.getQueue().isEmpty()); |
737 |
> |
assertEquals(count - poolSize, queuedTasks.size()); |
738 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
739 |
> |
assertTrue(p.isTerminated()); |
740 |
> |
assertEquals(poolSize, ran.get()); |
741 |
> |
} |
742 |
> |
|
743 |
> |
/** |
744 |
> |
* shutdownNow returns a list containing tasks that were not run, |
745 |
> |
* and those tasks are drained from the queue |
746 |
> |
*/ |
747 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
748 |
|
CustomExecutor p = new CustomExecutor(1); |
749 |
< |
for (int i = 0; i < 5; i++) |
750 |
< |
p.schedule(new SmallPossiblyInterruptedRunnable(), SHORT_DELAY_MS, MILLISECONDS); |
751 |
< |
List l; |
749 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
750 |
> |
for (int i = 0; i < 3; i++) { |
751 |
> |
Runnable r = new NoOpRunnable(); |
752 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
753 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
754 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
755 |
> |
} |
756 |
> |
if (testImplementationDetails) |
757 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
758 |
> |
final List<Runnable> queuedTasks; |
759 |
|
try { |
760 |
< |
l = p.shutdownNow(); |
760 |
> |
queuedTasks = p.shutdownNow(); |
761 |
|
} catch (SecurityException ok) { |
762 |
< |
return; |
762 |
> |
return; // Allowed in case test doesn't have privs |
763 |
|
} |
764 |
|
assertTrue(p.isShutdown()); |
765 |
< |
assertTrue(l.size() > 0 && l.size() <= 5); |
766 |
< |
joinPool(p); |
765 |
> |
assertTrue(p.getQueue().isEmpty()); |
766 |
> |
if (testImplementationDetails) |
767 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
768 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
769 |
> |
for (ScheduledFuture task : tasks) { |
770 |
> |
assertFalse(((CustomTask)task).ran); |
771 |
> |
assertFalse(task.isDone()); |
772 |
> |
assertFalse(task.isCancelled()); |
773 |
> |
} |
774 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
775 |
> |
assertTrue(p.isTerminated()); |
776 |
|
} |
777 |
|
|
778 |
|
/** |
779 |
|
* In default setting, shutdown cancels periodic but not delayed |
780 |
|
* tasks at shutdown |
781 |
|
*/ |
782 |
< |
public void testShutDown1() throws InterruptedException { |
782 |
> |
public void testShutdown1() throws InterruptedException { |
783 |
|
CustomExecutor p = new CustomExecutor(1); |
784 |
|
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
785 |
|
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
804 |
|
} |
805 |
|
} |
806 |
|
|
716 |
– |
|
807 |
|
/** |
808 |
|
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
809 |
|
* delayed tasks are cancelled at shutdown |
810 |
|
*/ |
811 |
< |
public void testShutDown2() throws InterruptedException { |
811 |
> |
public void testShutdown2() throws InterruptedException { |
812 |
|
CustomExecutor p = new CustomExecutor(1); |
813 |
|
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
814 |
|
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
830 |
|
} |
831 |
|
} |
832 |
|
|
743 |
– |
|
833 |
|
/** |
834 |
|
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
835 |
|
* periodic tasks are cancelled at shutdown |
836 |
|
*/ |
837 |
< |
public void testShutDown3() throws InterruptedException { |
837 |
> |
public void testShutdown3() throws InterruptedException { |
838 |
|
CustomExecutor p = new CustomExecutor(1); |
839 |
|
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
840 |
|
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
841 |
|
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
842 |
|
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
843 |
|
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
844 |
+ |
long initialDelay = LONG_DELAY_MS; |
845 |
|
ScheduledFuture task = |
846 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), 5, 5, MILLISECONDS); |
846 |
> |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
847 |
> |
5, MILLISECONDS); |
848 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
849 |
|
assertTrue(p.isShutdown()); |
759 |
– |
BlockingQueue q = p.getQueue(); |
850 |
|
assertTrue(p.getQueue().isEmpty()); |
851 |
|
assertTrue(task.isDone()); |
852 |
|
assertTrue(task.isCancelled()); |
853 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
764 |
< |
assertTrue(p.isTerminated()); |
853 |
> |
joinPool(p); |
854 |
|
} |
855 |
|
|
856 |
|
/** |
857 |
|
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
858 |
|
* periodic tasks are not cancelled at shutdown |
859 |
|
*/ |
860 |
< |
public void testShutDown4() throws InterruptedException { |
860 |
> |
public void testShutdown4() throws InterruptedException { |
861 |
|
CustomExecutor p = new CustomExecutor(1); |
862 |
|
final CountDownLatch counter = new CountDownLatch(2); |
863 |
|
try { |
1293 |
|
public void testTimedInvokeAll6() throws Exception { |
1294 |
|
ExecutorService e = new CustomExecutor(2); |
1295 |
|
try { |
1296 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1297 |
< |
l.add(new StringTask()); |
1298 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1299 |
< |
l.add(new StringTask()); |
1300 |
< |
List<Future<String>> futures = |
1301 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1302 |
< |
assertEquals(3, futures.size()); |
1303 |
< |
Iterator<Future<String>> it = futures.iterator(); |
1304 |
< |
Future<String> f1 = it.next(); |
1305 |
< |
Future<String> f2 = it.next(); |
1306 |
< |
Future<String> f3 = it.next(); |
1307 |
< |
assertTrue(f1.isDone()); |
1308 |
< |
assertTrue(f2.isDone()); |
1309 |
< |
assertTrue(f3.isDone()); |
1310 |
< |
assertFalse(f1.isCancelled()); |
1311 |
< |
assertTrue(f2.isCancelled()); |
1296 |
> |
for (long timeout = timeoutMillis();;) { |
1297 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1298 |
> |
tasks.add(new StringTask("0")); |
1299 |
> |
tasks.add(Executors.callable(new LongPossiblyInterruptedRunnable(), TEST_STRING)); |
1300 |
> |
tasks.add(new StringTask("2")); |
1301 |
> |
long startTime = System.nanoTime(); |
1302 |
> |
List<Future<String>> futures = |
1303 |
> |
e.invokeAll(tasks, timeout, MILLISECONDS); |
1304 |
> |
assertEquals(tasks.size(), futures.size()); |
1305 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1306 |
> |
for (Future future : futures) |
1307 |
> |
assertTrue(future.isDone()); |
1308 |
> |
assertTrue(futures.get(1).isCancelled()); |
1309 |
> |
try { |
1310 |
> |
assertEquals("0", futures.get(0).get()); |
1311 |
> |
assertEquals("2", futures.get(2).get()); |
1312 |
> |
break; |
1313 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1314 |
> |
timeout *= 2; |
1315 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1316 |
> |
fail("expected exactly one task to be cancelled"); |
1317 |
> |
} |
1318 |
> |
} |
1319 |
|
} finally { |
1320 |
|
joinPool(e); |
1321 |
|
} |