1 |
/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
* Expert Group and released to the public domain, as explained at |
4 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
* Pat Fisher, Mike Judd. |
7 |
*/ |
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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; |
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import java.util.concurrent.atomic.AtomicInteger; |
14 |
|
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public class ScheduledExecutorTest extends JSR166TestCase { |
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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} |
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public static Test suite() { |
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return new TestSuite(ScheduledExecutorTest.class); |
21 |
} |
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|
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/** |
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* execute successfully executes a runnable |
25 |
*/ |
26 |
public void testExecute() throws InterruptedException { |
27 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
32 |
}}; |
33 |
try { |
34 |
p.execute(task); |
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assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
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} finally { |
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joinPool(p); |
38 |
} |
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} |
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|
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/** |
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* delayed schedule of callable successfully executes after delay |
43 |
*/ |
44 |
public void testSchedule1() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
48 |
try { |
49 |
Callable task = new CheckedCallable<Boolean>() { |
50 |
public Boolean realCall() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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return Boolean.TRUE; |
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}}; |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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assertSame(Boolean.TRUE, f.get()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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assertTrue(done.await(0L, MILLISECONDS)); |
59 |
} finally { |
60 |
joinPool(p); |
61 |
} |
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} |
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|
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/** |
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* delayed schedule of runnable successfully executes after delay |
66 |
*/ |
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public void testSchedule3() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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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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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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await(done); |
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assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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/** |
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* scheduleAtFixedRate executes runnable after given initial delay |
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*/ |
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public void testSchedule4() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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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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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
98 |
}}; |
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ScheduledFuture f = |
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p.scheduleAtFixedRate(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
104 |
f.cancel(true); |
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} finally { |
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joinPool(p); |
107 |
} |
108 |
} |
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|
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/** |
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* scheduleWithFixedDelay executes runnable after given initial delay |
112 |
*/ |
113 |
public void testSchedule5() throws Exception { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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final long startTime = System.nanoTime(); |
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final CountDownLatch done = new CountDownLatch(1); |
117 |
try { |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { |
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done.countDown(); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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}}; |
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ScheduledFuture f = |
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p.scheduleWithFixedDelay(task, timeoutMillis(), |
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LONG_DELAY_MS, MILLISECONDS); |
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await(done); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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f.cancel(true); |
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} finally { |
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joinPool(p); |
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} |
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} |
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|
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static class RunnableCounter implements Runnable { |
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AtomicInteger count = new AtomicInteger(0); |
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public void run() { count.getAndIncrement(); } |
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} |
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|
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/** |
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* scheduleAtFixedRate executes series of tasks at given rate |
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*/ |
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public void testFixedRateSequence() throws InterruptedException { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try { |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
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long startTime = System.nanoTime(); |
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int cycles = 10; |
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final CountDownLatch done = new CountDownLatch(cycles); |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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ScheduledFuture h = |
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p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
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done.await(); |
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h.cancel(true); |
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double normalizedTime = |
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(double) millisElapsedSince(startTime) / delay; |
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if (normalizedTime >= cycles - 1 && |
158 |
normalizedTime <= cycles) |
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return; |
160 |
} |
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throw new AssertionError("unexpected execution rate"); |
162 |
} finally { |
163 |
joinPool(p); |
164 |
} |
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} |
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|
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/** |
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* scheduleWithFixedDelay executes series of tasks with given period |
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*/ |
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public void testFixedDelaySequence() throws InterruptedException { |
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ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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try { |
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for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
174 |
long startTime = System.nanoTime(); |
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int cycles = 10; |
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final CountDownLatch done = new CountDownLatch(cycles); |
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Runnable task = new CheckedRunnable() { |
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public void realRun() { done.countDown(); }}; |
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ScheduledFuture h = |
180 |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
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done.await(); |
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h.cancel(true); |
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double normalizedTime = |
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(double) millisElapsedSince(startTime) / delay; |
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if (normalizedTime >= cycles - 1 && |
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normalizedTime <= cycles) |
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return; |
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} |
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throw new AssertionError("unexpected execution rate"); |
190 |
} finally { |
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joinPool(p); |
192 |
} |
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} |
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|
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/** |
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* execute(null) throws NPE |
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*/ |
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public void testExecuteNull() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = null; |
200 |
try { |
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se = new ScheduledThreadPoolExecutor(1); |
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se.execute(null); |
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shouldThrow(); |
204 |
} catch (NullPointerException success) {} |
205 |
|
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joinPool(se); |
207 |
} |
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|
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/** |
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* schedule(null) throws NPE |
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*/ |
212 |
public void testScheduleNull() throws InterruptedException { |
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ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
214 |
try { |
215 |
TrackedCallable callable = null; |
216 |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
217 |
shouldThrow(); |
218 |
} catch (NullPointerException success) {} |
219 |
joinPool(se); |
220 |
} |
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|
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/** |
223 |
* execute throws RejectedExecutionException if shutdown |
224 |
*/ |
225 |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
226 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
227 |
try { |
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se.shutdown(); |
229 |
se.schedule(new NoOpRunnable(), |
230 |
MEDIUM_DELAY_MS, MILLISECONDS); |
231 |
shouldThrow(); |
232 |
} catch (RejectedExecutionException success) { |
233 |
} catch (SecurityException ok) { |
234 |
} |
235 |
|
236 |
joinPool(se); |
237 |
} |
238 |
|
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/** |
240 |
* schedule throws RejectedExecutionException if shutdown |
241 |
*/ |
242 |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
243 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
244 |
try { |
245 |
se.shutdown(); |
246 |
se.schedule(new NoOpCallable(), |
247 |
MEDIUM_DELAY_MS, MILLISECONDS); |
248 |
shouldThrow(); |
249 |
} catch (RejectedExecutionException success) { |
250 |
} catch (SecurityException ok) { |
251 |
} |
252 |
joinPool(se); |
253 |
} |
254 |
|
255 |
/** |
256 |
* schedule callable throws RejectedExecutionException if shutdown |
257 |
*/ |
258 |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
259 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
260 |
try { |
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se.shutdown(); |
262 |
se.schedule(new NoOpCallable(), |
263 |
MEDIUM_DELAY_MS, MILLISECONDS); |
264 |
shouldThrow(); |
265 |
} catch (RejectedExecutionException success) { |
266 |
} catch (SecurityException ok) { |
267 |
} |
268 |
joinPool(se); |
269 |
} |
270 |
|
271 |
/** |
272 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
273 |
*/ |
274 |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
275 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
276 |
try { |
277 |
se.shutdown(); |
278 |
se.scheduleAtFixedRate(new NoOpRunnable(), |
279 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
280 |
shouldThrow(); |
281 |
} catch (RejectedExecutionException success) { |
282 |
} catch (SecurityException ok) { |
283 |
} |
284 |
joinPool(se); |
285 |
} |
286 |
|
287 |
/** |
288 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
289 |
*/ |
290 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
291 |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
292 |
try { |
293 |
se.shutdown(); |
294 |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
295 |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
296 |
shouldThrow(); |
297 |
} catch (RejectedExecutionException success) { |
298 |
} catch (SecurityException ok) { |
299 |
} |
300 |
joinPool(se); |
301 |
} |
302 |
|
303 |
/** |
304 |
* getActiveCount increases but doesn't overestimate, when a |
305 |
* thread becomes active |
306 |
*/ |
307 |
public void testGetActiveCount() throws InterruptedException { |
308 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
309 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
310 |
final CountDownLatch done = new CountDownLatch(1); |
311 |
try { |
312 |
assertEquals(0, p.getActiveCount()); |
313 |
p.execute(new CheckedRunnable() { |
314 |
public void realRun() throws InterruptedException { |
315 |
threadStarted.countDown(); |
316 |
assertEquals(1, p.getActiveCount()); |
317 |
done.await(); |
318 |
}}); |
319 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
320 |
assertEquals(1, p.getActiveCount()); |
321 |
} finally { |
322 |
done.countDown(); |
323 |
joinPool(p); |
324 |
} |
325 |
} |
326 |
|
327 |
/** |
328 |
* getCompletedTaskCount increases, but doesn't overestimate, |
329 |
* when tasks complete |
330 |
*/ |
331 |
public void testGetCompletedTaskCount() throws InterruptedException { |
332 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
333 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
334 |
final CountDownLatch threadProceed = new CountDownLatch(1); |
335 |
final CountDownLatch threadDone = new CountDownLatch(1); |
336 |
try { |
337 |
assertEquals(0, p.getCompletedTaskCount()); |
338 |
p.execute(new CheckedRunnable() { |
339 |
public void realRun() throws InterruptedException { |
340 |
threadStarted.countDown(); |
341 |
assertEquals(0, p.getCompletedTaskCount()); |
342 |
threadProceed.await(); |
343 |
threadDone.countDown(); |
344 |
}}); |
345 |
await(threadStarted); |
346 |
assertEquals(0, p.getCompletedTaskCount()); |
347 |
threadProceed.countDown(); |
348 |
threadDone.await(); |
349 |
long startTime = System.nanoTime(); |
350 |
while (p.getCompletedTaskCount() != 1) { |
351 |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
352 |
fail("timed out"); |
353 |
Thread.yield(); |
354 |
} |
355 |
} finally { |
356 |
joinPool(p); |
357 |
} |
358 |
} |
359 |
|
360 |
/** |
361 |
* getCorePoolSize returns size given in constructor if not otherwise set |
362 |
*/ |
363 |
public void testGetCorePoolSize() throws InterruptedException { |
364 |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
365 |
assertEquals(1, p.getCorePoolSize()); |
366 |
joinPool(p); |
367 |
} |
368 |
|
369 |
/** |
370 |
* getLargestPoolSize increases, but doesn't overestimate, when |
371 |
* multiple threads active |
372 |
*/ |
373 |
public void testGetLargestPoolSize() throws InterruptedException { |
374 |
final int THREADS = 3; |
375 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
376 |
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
377 |
final CountDownLatch done = new CountDownLatch(1); |
378 |
try { |
379 |
assertEquals(0, p.getLargestPoolSize()); |
380 |
for (int i = 0; i < THREADS; i++) |
381 |
p.execute(new CheckedRunnable() { |
382 |
public void realRun() throws InterruptedException { |
383 |
threadsStarted.countDown(); |
384 |
done.await(); |
385 |
assertEquals(THREADS, p.getLargestPoolSize()); |
386 |
}}); |
387 |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
388 |
assertEquals(THREADS, p.getLargestPoolSize()); |
389 |
} finally { |
390 |
done.countDown(); |
391 |
joinPool(p); |
392 |
assertEquals(THREADS, p.getLargestPoolSize()); |
393 |
} |
394 |
} |
395 |
|
396 |
/** |
397 |
* getPoolSize increases, but doesn't overestimate, when threads |
398 |
* become active |
399 |
*/ |
400 |
public void testGetPoolSize() throws InterruptedException { |
401 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
402 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
403 |
final CountDownLatch done = new CountDownLatch(1); |
404 |
try { |
405 |
assertEquals(0, p.getPoolSize()); |
406 |
p.execute(new CheckedRunnable() { |
407 |
public void realRun() throws InterruptedException { |
408 |
threadStarted.countDown(); |
409 |
assertEquals(1, p.getPoolSize()); |
410 |
done.await(); |
411 |
}}); |
412 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
413 |
assertEquals(1, p.getPoolSize()); |
414 |
} finally { |
415 |
done.countDown(); |
416 |
joinPool(p); |
417 |
} |
418 |
} |
419 |
|
420 |
/** |
421 |
* getTaskCount increases, but doesn't overestimate, when tasks |
422 |
* submitted |
423 |
*/ |
424 |
public void testGetTaskCount() throws InterruptedException { |
425 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
426 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
427 |
final CountDownLatch done = new CountDownLatch(1); |
428 |
final int TASKS = 5; |
429 |
try { |
430 |
assertEquals(0, p.getTaskCount()); |
431 |
for (int i = 0; i < TASKS; i++) |
432 |
p.execute(new CheckedRunnable() { |
433 |
public void realRun() throws InterruptedException { |
434 |
threadStarted.countDown(); |
435 |
done.await(); |
436 |
}}); |
437 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
438 |
assertEquals(TASKS, p.getTaskCount()); |
439 |
} finally { |
440 |
done.countDown(); |
441 |
joinPool(p); |
442 |
} |
443 |
} |
444 |
|
445 |
/** |
446 |
* getThreadFactory returns factory in constructor if not set |
447 |
*/ |
448 |
public void testGetThreadFactory() throws InterruptedException { |
449 |
ThreadFactory tf = new SimpleThreadFactory(); |
450 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
451 |
assertSame(tf, p.getThreadFactory()); |
452 |
joinPool(p); |
453 |
} |
454 |
|
455 |
/** |
456 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
457 |
*/ |
458 |
public void testSetThreadFactory() throws InterruptedException { |
459 |
ThreadFactory tf = new SimpleThreadFactory(); |
460 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
461 |
p.setThreadFactory(tf); |
462 |
assertSame(tf, p.getThreadFactory()); |
463 |
joinPool(p); |
464 |
} |
465 |
|
466 |
/** |
467 |
* setThreadFactory(null) throws NPE |
468 |
*/ |
469 |
public void testSetThreadFactoryNull() throws InterruptedException { |
470 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
471 |
try { |
472 |
p.setThreadFactory(null); |
473 |
shouldThrow(); |
474 |
} catch (NullPointerException success) { |
475 |
} finally { |
476 |
joinPool(p); |
477 |
} |
478 |
} |
479 |
|
480 |
/** |
481 |
* isShutdown is false before shutdown, true after |
482 |
*/ |
483 |
public void testIsShutdown() { |
484 |
|
485 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
486 |
try { |
487 |
assertFalse(p.isShutdown()); |
488 |
} |
489 |
finally { |
490 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
491 |
} |
492 |
assertTrue(p.isShutdown()); |
493 |
} |
494 |
|
495 |
/** |
496 |
* isTerminated is false before termination, true after |
497 |
*/ |
498 |
public void testIsTerminated() throws InterruptedException { |
499 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
500 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
501 |
final CountDownLatch done = new CountDownLatch(1); |
502 |
assertFalse(p.isTerminated()); |
503 |
try { |
504 |
p.execute(new CheckedRunnable() { |
505 |
public void realRun() throws InterruptedException { |
506 |
assertFalse(p.isTerminated()); |
507 |
threadStarted.countDown(); |
508 |
done.await(); |
509 |
}}); |
510 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
511 |
assertFalse(p.isTerminating()); |
512 |
done.countDown(); |
513 |
} finally { |
514 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
515 |
} |
516 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
517 |
assertTrue(p.isTerminated()); |
518 |
} |
519 |
|
520 |
/** |
521 |
* isTerminating is not true when running or when terminated |
522 |
*/ |
523 |
public void testIsTerminating() throws InterruptedException { |
524 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
525 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
526 |
final CountDownLatch done = new CountDownLatch(1); |
527 |
try { |
528 |
assertFalse(p.isTerminating()); |
529 |
p.execute(new CheckedRunnable() { |
530 |
public void realRun() throws InterruptedException { |
531 |
assertFalse(p.isTerminating()); |
532 |
threadStarted.countDown(); |
533 |
done.await(); |
534 |
}}); |
535 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
536 |
assertFalse(p.isTerminating()); |
537 |
done.countDown(); |
538 |
} finally { |
539 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
540 |
} |
541 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
542 |
assertTrue(p.isTerminated()); |
543 |
assertFalse(p.isTerminating()); |
544 |
} |
545 |
|
546 |
/** |
547 |
* getQueue returns the work queue, which contains queued tasks |
548 |
*/ |
549 |
public void testGetQueue() throws InterruptedException { |
550 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
551 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
552 |
final CountDownLatch done = new CountDownLatch(1); |
553 |
try { |
554 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
555 |
for (int i = 0; i < tasks.length; i++) { |
556 |
Runnable r = new CheckedRunnable() { |
557 |
public void realRun() throws InterruptedException { |
558 |
threadStarted.countDown(); |
559 |
done.await(); |
560 |
}}; |
561 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
562 |
} |
563 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
564 |
BlockingQueue<Runnable> q = p.getQueue(); |
565 |
assertTrue(q.contains(tasks[tasks.length - 1])); |
566 |
assertFalse(q.contains(tasks[0])); |
567 |
} finally { |
568 |
done.countDown(); |
569 |
joinPool(p); |
570 |
} |
571 |
} |
572 |
|
573 |
/** |
574 |
* remove(task) removes queued task, and fails to remove active task |
575 |
*/ |
576 |
public void testRemove() throws InterruptedException { |
577 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
578 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
579 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
580 |
final CountDownLatch done = new CountDownLatch(1); |
581 |
try { |
582 |
for (int i = 0; i < tasks.length; i++) { |
583 |
Runnable r = new CheckedRunnable() { |
584 |
public void realRun() throws InterruptedException { |
585 |
threadStarted.countDown(); |
586 |
done.await(); |
587 |
}}; |
588 |
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
589 |
} |
590 |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
591 |
BlockingQueue<Runnable> q = p.getQueue(); |
592 |
assertFalse(p.remove((Runnable)tasks[0])); |
593 |
assertTrue(q.contains((Runnable)tasks[4])); |
594 |
assertTrue(q.contains((Runnable)tasks[3])); |
595 |
assertTrue(p.remove((Runnable)tasks[4])); |
596 |
assertFalse(p.remove((Runnable)tasks[4])); |
597 |
assertFalse(q.contains((Runnable)tasks[4])); |
598 |
assertTrue(q.contains((Runnable)tasks[3])); |
599 |
assertTrue(p.remove((Runnable)tasks[3])); |
600 |
assertFalse(q.contains((Runnable)tasks[3])); |
601 |
} finally { |
602 |
done.countDown(); |
603 |
joinPool(p); |
604 |
} |
605 |
} |
606 |
|
607 |
/** |
608 |
* purge eventually removes cancelled tasks from the queue |
609 |
*/ |
610 |
public void testPurge() throws InterruptedException { |
611 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
612 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
613 |
for (int i = 0; i < tasks.length; i++) |
614 |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
615 |
LONG_DELAY_MS, MILLISECONDS); |
616 |
try { |
617 |
int max = tasks.length; |
618 |
if (tasks[4].cancel(true)) --max; |
619 |
if (tasks[3].cancel(true)) --max; |
620 |
// There must eventually be an interference-free point at |
621 |
// which purge will not fail. (At worst, when queue is empty.) |
622 |
long startTime = System.nanoTime(); |
623 |
do { |
624 |
p.purge(); |
625 |
long count = p.getTaskCount(); |
626 |
if (count == max) |
627 |
return; |
628 |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
629 |
fail("Purge failed to remove cancelled tasks"); |
630 |
} finally { |
631 |
for (ScheduledFuture task : tasks) |
632 |
task.cancel(true); |
633 |
joinPool(p); |
634 |
} |
635 |
} |
636 |
|
637 |
/** |
638 |
* shutdownNow returns a list containing tasks that were not run |
639 |
*/ |
640 |
public void testShutdownNow() { |
641 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
642 |
for (int i = 0; i < 5; i++) |
643 |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
644 |
LONG_DELAY_MS, MILLISECONDS); |
645 |
try { |
646 |
List<Runnable> l = p.shutdownNow(); |
647 |
assertTrue(p.isShutdown()); |
648 |
assertEquals(5, l.size()); |
649 |
} catch (SecurityException ok) { |
650 |
// Allowed in case test doesn't have privs |
651 |
} finally { |
652 |
joinPool(p); |
653 |
} |
654 |
} |
655 |
|
656 |
/** |
657 |
* In default setting, shutdown cancels periodic but not delayed |
658 |
* tasks at shutdown |
659 |
*/ |
660 |
public void testShutdown1() throws InterruptedException { |
661 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
662 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
663 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
664 |
|
665 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
666 |
for (int i = 0; i < tasks.length; i++) |
667 |
tasks[i] = p.schedule(new NoOpRunnable(), |
668 |
SHORT_DELAY_MS, MILLISECONDS); |
669 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
670 |
BlockingQueue<Runnable> q = p.getQueue(); |
671 |
for (ScheduledFuture task : tasks) { |
672 |
assertFalse(task.isDone()); |
673 |
assertFalse(task.isCancelled()); |
674 |
assertTrue(q.contains(task)); |
675 |
} |
676 |
assertTrue(p.isShutdown()); |
677 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
678 |
assertTrue(p.isTerminated()); |
679 |
for (ScheduledFuture task : tasks) { |
680 |
assertTrue(task.isDone()); |
681 |
assertFalse(task.isCancelled()); |
682 |
} |
683 |
} |
684 |
|
685 |
/** |
686 |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
687 |
* delayed tasks are cancelled at shutdown |
688 |
*/ |
689 |
public void testShutdown2() throws InterruptedException { |
690 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
691 |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
692 |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
693 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
694 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
695 |
for (int i = 0; i < tasks.length; i++) |
696 |
tasks[i] = p.schedule(new NoOpRunnable(), |
697 |
SHORT_DELAY_MS, MILLISECONDS); |
698 |
BlockingQueue q = p.getQueue(); |
699 |
assertEquals(tasks.length, q.size()); |
700 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
701 |
assertTrue(p.isShutdown()); |
702 |
assertTrue(q.isEmpty()); |
703 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
704 |
assertTrue(p.isTerminated()); |
705 |
for (ScheduledFuture task : tasks) { |
706 |
assertTrue(task.isDone()); |
707 |
assertTrue(task.isCancelled()); |
708 |
} |
709 |
} |
710 |
|
711 |
/** |
712 |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
713 |
* periodic tasks are cancelled at shutdown |
714 |
*/ |
715 |
public void testShutdown3() throws InterruptedException { |
716 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
717 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
718 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
719 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
720 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
721 |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
722 |
long initialDelay = LONG_DELAY_MS; |
723 |
ScheduledFuture task = |
724 |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
725 |
5, MILLISECONDS); |
726 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
727 |
assertTrue(p.isShutdown()); |
728 |
assertTrue(p.getQueue().isEmpty()); |
729 |
assertTrue(task.isDone()); |
730 |
assertTrue(task.isCancelled()); |
731 |
joinPool(p); |
732 |
} |
733 |
|
734 |
/** |
735 |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
736 |
* periodic tasks are not cancelled at shutdown |
737 |
*/ |
738 |
public void testShutdown4() throws InterruptedException { |
739 |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
740 |
final CountDownLatch counter = new CountDownLatch(2); |
741 |
try { |
742 |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
743 |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
744 |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
745 |
final Runnable r = new CheckedRunnable() { |
746 |
public void realRun() { |
747 |
counter.countDown(); |
748 |
}}; |
749 |
ScheduledFuture task = |
750 |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
751 |
assertFalse(task.isDone()); |
752 |
assertFalse(task.isCancelled()); |
753 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
754 |
assertFalse(task.isCancelled()); |
755 |
assertFalse(p.isTerminated()); |
756 |
assertTrue(p.isShutdown()); |
757 |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
758 |
assertFalse(task.isCancelled()); |
759 |
assertTrue(task.cancel(false)); |
760 |
assertTrue(task.isDone()); |
761 |
assertTrue(task.isCancelled()); |
762 |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
763 |
assertTrue(p.isTerminated()); |
764 |
} |
765 |
finally { |
766 |
joinPool(p); |
767 |
} |
768 |
} |
769 |
|
770 |
/** |
771 |
* completed submit of callable returns result |
772 |
*/ |
773 |
public void testSubmitCallable() throws Exception { |
774 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
775 |
try { |
776 |
Future<String> future = e.submit(new StringTask()); |
777 |
String result = future.get(); |
778 |
assertSame(TEST_STRING, result); |
779 |
} finally { |
780 |
joinPool(e); |
781 |
} |
782 |
} |
783 |
|
784 |
/** |
785 |
* completed submit of runnable returns successfully |
786 |
*/ |
787 |
public void testSubmitRunnable() throws Exception { |
788 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
789 |
try { |
790 |
Future<?> future = e.submit(new NoOpRunnable()); |
791 |
future.get(); |
792 |
assertTrue(future.isDone()); |
793 |
} finally { |
794 |
joinPool(e); |
795 |
} |
796 |
} |
797 |
|
798 |
/** |
799 |
* completed submit of (runnable, result) returns result |
800 |
*/ |
801 |
public void testSubmitRunnable2() throws Exception { |
802 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
803 |
try { |
804 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
805 |
String result = future.get(); |
806 |
assertSame(TEST_STRING, result); |
807 |
} finally { |
808 |
joinPool(e); |
809 |
} |
810 |
} |
811 |
|
812 |
/** |
813 |
* invokeAny(null) throws NPE |
814 |
*/ |
815 |
public void testInvokeAny1() throws Exception { |
816 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
817 |
try { |
818 |
e.invokeAny(null); |
819 |
shouldThrow(); |
820 |
} catch (NullPointerException success) { |
821 |
} finally { |
822 |
joinPool(e); |
823 |
} |
824 |
} |
825 |
|
826 |
/** |
827 |
* invokeAny(empty collection) throws IAE |
828 |
*/ |
829 |
public void testInvokeAny2() throws Exception { |
830 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
831 |
try { |
832 |
e.invokeAny(new ArrayList<Callable<String>>()); |
833 |
shouldThrow(); |
834 |
} catch (IllegalArgumentException success) { |
835 |
} finally { |
836 |
joinPool(e); |
837 |
} |
838 |
} |
839 |
|
840 |
/** |
841 |
* invokeAny(c) throws NPE if c has null elements |
842 |
*/ |
843 |
public void testInvokeAny3() throws Exception { |
844 |
CountDownLatch latch = new CountDownLatch(1); |
845 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
846 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
847 |
l.add(latchAwaitingStringTask(latch)); |
848 |
l.add(null); |
849 |
try { |
850 |
e.invokeAny(l); |
851 |
shouldThrow(); |
852 |
} catch (NullPointerException success) { |
853 |
} finally { |
854 |
latch.countDown(); |
855 |
joinPool(e); |
856 |
} |
857 |
} |
858 |
|
859 |
/** |
860 |
* invokeAny(c) throws ExecutionException if no task completes |
861 |
*/ |
862 |
public void testInvokeAny4() throws Exception { |
863 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
864 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
865 |
l.add(new NPETask()); |
866 |
try { |
867 |
e.invokeAny(l); |
868 |
shouldThrow(); |
869 |
} catch (ExecutionException success) { |
870 |
assertTrue(success.getCause() instanceof NullPointerException); |
871 |
} finally { |
872 |
joinPool(e); |
873 |
} |
874 |
} |
875 |
|
876 |
/** |
877 |
* invokeAny(c) returns result of some task |
878 |
*/ |
879 |
public void testInvokeAny5() throws Exception { |
880 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
881 |
try { |
882 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
883 |
l.add(new StringTask()); |
884 |
l.add(new StringTask()); |
885 |
String result = e.invokeAny(l); |
886 |
assertSame(TEST_STRING, result); |
887 |
} finally { |
888 |
joinPool(e); |
889 |
} |
890 |
} |
891 |
|
892 |
/** |
893 |
* invokeAll(null) throws NPE |
894 |
*/ |
895 |
public void testInvokeAll1() throws Exception { |
896 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
897 |
try { |
898 |
e.invokeAll(null); |
899 |
shouldThrow(); |
900 |
} catch (NullPointerException success) { |
901 |
} finally { |
902 |
joinPool(e); |
903 |
} |
904 |
} |
905 |
|
906 |
/** |
907 |
* invokeAll(empty collection) returns empty collection |
908 |
*/ |
909 |
public void testInvokeAll2() throws Exception { |
910 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
911 |
try { |
912 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
913 |
assertTrue(r.isEmpty()); |
914 |
} finally { |
915 |
joinPool(e); |
916 |
} |
917 |
} |
918 |
|
919 |
/** |
920 |
* invokeAll(c) throws NPE if c has null elements |
921 |
*/ |
922 |
public void testInvokeAll3() throws Exception { |
923 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
924 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
925 |
l.add(new StringTask()); |
926 |
l.add(null); |
927 |
try { |
928 |
e.invokeAll(l); |
929 |
shouldThrow(); |
930 |
} catch (NullPointerException success) { |
931 |
} finally { |
932 |
joinPool(e); |
933 |
} |
934 |
} |
935 |
|
936 |
/** |
937 |
* get of invokeAll(c) throws exception on failed task |
938 |
*/ |
939 |
public void testInvokeAll4() throws Exception { |
940 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
941 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
942 |
l.add(new NPETask()); |
943 |
List<Future<String>> futures = e.invokeAll(l); |
944 |
assertEquals(1, futures.size()); |
945 |
try { |
946 |
futures.get(0).get(); |
947 |
shouldThrow(); |
948 |
} catch (ExecutionException success) { |
949 |
assertTrue(success.getCause() instanceof NullPointerException); |
950 |
} finally { |
951 |
joinPool(e); |
952 |
} |
953 |
} |
954 |
|
955 |
/** |
956 |
* invokeAll(c) returns results of all completed tasks |
957 |
*/ |
958 |
public void testInvokeAll5() throws Exception { |
959 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
960 |
try { |
961 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
962 |
l.add(new StringTask()); |
963 |
l.add(new StringTask()); |
964 |
List<Future<String>> futures = e.invokeAll(l); |
965 |
assertEquals(2, futures.size()); |
966 |
for (Future<String> future : futures) |
967 |
assertSame(TEST_STRING, future.get()); |
968 |
} finally { |
969 |
joinPool(e); |
970 |
} |
971 |
} |
972 |
|
973 |
/** |
974 |
* timed invokeAny(null) throws NPE |
975 |
*/ |
976 |
public void testTimedInvokeAny1() throws Exception { |
977 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
978 |
try { |
979 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
980 |
shouldThrow(); |
981 |
} catch (NullPointerException success) { |
982 |
} finally { |
983 |
joinPool(e); |
984 |
} |
985 |
} |
986 |
|
987 |
/** |
988 |
* timed invokeAny(,,null) throws NPE |
989 |
*/ |
990 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
991 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
993 |
l.add(new StringTask()); |
994 |
try { |
995 |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
996 |
shouldThrow(); |
997 |
} catch (NullPointerException success) { |
998 |
} finally { |
999 |
joinPool(e); |
1000 |
} |
1001 |
} |
1002 |
|
1003 |
/** |
1004 |
* timed invokeAny(empty collection) throws IAE |
1005 |
*/ |
1006 |
public void testTimedInvokeAny2() throws Exception { |
1007 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1008 |
try { |
1009 |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1010 |
shouldThrow(); |
1011 |
} catch (IllegalArgumentException success) { |
1012 |
} finally { |
1013 |
joinPool(e); |
1014 |
} |
1015 |
} |
1016 |
|
1017 |
/** |
1018 |
* timed invokeAny(c) throws NPE if c has null elements |
1019 |
*/ |
1020 |
public void testTimedInvokeAny3() throws Exception { |
1021 |
CountDownLatch latch = new CountDownLatch(1); |
1022 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1023 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1024 |
l.add(latchAwaitingStringTask(latch)); |
1025 |
l.add(null); |
1026 |
try { |
1027 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1028 |
shouldThrow(); |
1029 |
} catch (NullPointerException success) { |
1030 |
} finally { |
1031 |
latch.countDown(); |
1032 |
joinPool(e); |
1033 |
} |
1034 |
} |
1035 |
|
1036 |
/** |
1037 |
* timed invokeAny(c) throws ExecutionException if no task completes |
1038 |
*/ |
1039 |
public void testTimedInvokeAny4() throws Exception { |
1040 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1041 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1042 |
l.add(new NPETask()); |
1043 |
try { |
1044 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1045 |
shouldThrow(); |
1046 |
} catch (ExecutionException success) { |
1047 |
assertTrue(success.getCause() instanceof NullPointerException); |
1048 |
} finally { |
1049 |
joinPool(e); |
1050 |
} |
1051 |
} |
1052 |
|
1053 |
/** |
1054 |
* timed invokeAny(c) returns result of some task |
1055 |
*/ |
1056 |
public void testTimedInvokeAny5() throws Exception { |
1057 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1058 |
try { |
1059 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1060 |
l.add(new StringTask()); |
1061 |
l.add(new StringTask()); |
1062 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1063 |
assertSame(TEST_STRING, result); |
1064 |
} finally { |
1065 |
joinPool(e); |
1066 |
} |
1067 |
} |
1068 |
|
1069 |
/** |
1070 |
* timed invokeAll(null) throws NPE |
1071 |
*/ |
1072 |
public void testTimedInvokeAll1() throws Exception { |
1073 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1074 |
try { |
1075 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1076 |
shouldThrow(); |
1077 |
} catch (NullPointerException success) { |
1078 |
} finally { |
1079 |
joinPool(e); |
1080 |
} |
1081 |
} |
1082 |
|
1083 |
/** |
1084 |
* timed invokeAll(,,null) throws NPE |
1085 |
*/ |
1086 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1087 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1088 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1089 |
l.add(new StringTask()); |
1090 |
try { |
1091 |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1092 |
shouldThrow(); |
1093 |
} catch (NullPointerException success) { |
1094 |
} finally { |
1095 |
joinPool(e); |
1096 |
} |
1097 |
} |
1098 |
|
1099 |
/** |
1100 |
* timed invokeAll(empty collection) returns empty collection |
1101 |
*/ |
1102 |
public void testTimedInvokeAll2() throws Exception { |
1103 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1104 |
try { |
1105 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1106 |
assertTrue(r.isEmpty()); |
1107 |
} finally { |
1108 |
joinPool(e); |
1109 |
} |
1110 |
} |
1111 |
|
1112 |
/** |
1113 |
* timed invokeAll(c) throws NPE if c has null elements |
1114 |
*/ |
1115 |
public void testTimedInvokeAll3() throws Exception { |
1116 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1117 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1118 |
l.add(new StringTask()); |
1119 |
l.add(null); |
1120 |
try { |
1121 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1122 |
shouldThrow(); |
1123 |
} catch (NullPointerException success) { |
1124 |
} finally { |
1125 |
joinPool(e); |
1126 |
} |
1127 |
} |
1128 |
|
1129 |
/** |
1130 |
* get of element of invokeAll(c) throws exception on failed task |
1131 |
*/ |
1132 |
public void testTimedInvokeAll4() throws Exception { |
1133 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1134 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1135 |
l.add(new NPETask()); |
1136 |
List<Future<String>> futures = |
1137 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1138 |
assertEquals(1, futures.size()); |
1139 |
try { |
1140 |
futures.get(0).get(); |
1141 |
shouldThrow(); |
1142 |
} catch (ExecutionException success) { |
1143 |
assertTrue(success.getCause() instanceof NullPointerException); |
1144 |
} finally { |
1145 |
joinPool(e); |
1146 |
} |
1147 |
} |
1148 |
|
1149 |
/** |
1150 |
* timed invokeAll(c) returns results of all completed tasks |
1151 |
*/ |
1152 |
public void testTimedInvokeAll5() throws Exception { |
1153 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1154 |
try { |
1155 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1156 |
l.add(new StringTask()); |
1157 |
l.add(new StringTask()); |
1158 |
List<Future<String>> futures = |
1159 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1160 |
assertEquals(2, futures.size()); |
1161 |
for (Future<String> future : futures) |
1162 |
assertSame(TEST_STRING, future.get()); |
1163 |
} finally { |
1164 |
joinPool(e); |
1165 |
} |
1166 |
} |
1167 |
|
1168 |
/** |
1169 |
* timed invokeAll(c) cancels tasks not completed by timeout |
1170 |
*/ |
1171 |
public void testTimedInvokeAll6() throws Exception { |
1172 |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1173 |
try { |
1174 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1175 |
l.add(new StringTask()); |
1176 |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1177 |
l.add(new StringTask()); |
1178 |
List<Future<String>> futures = |
1179 |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1180 |
assertEquals(l.size(), futures.size()); |
1181 |
for (Future future : futures) |
1182 |
assertTrue(future.isDone()); |
1183 |
assertFalse(futures.get(0).isCancelled()); |
1184 |
assertTrue(futures.get(1).isCancelled()); |
1185 |
} finally { |
1186 |
joinPool(e); |
1187 |
} |
1188 |
} |
1189 |
|
1190 |
} |