6 |
|
* Pat Fisher, Mike Judd. |
7 |
|
*/ |
8 |
|
|
9 |
– |
import junit.framework.*; |
10 |
– |
import java.util.*; |
11 |
– |
import java.util.concurrent.*; |
9 |
|
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
< |
import java.util.concurrent.atomic.*; |
10 |
> |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
> |
|
13 |
> |
import java.util.ArrayList; |
14 |
> |
import java.util.Collection; |
15 |
> |
import java.util.Collections; |
16 |
> |
import java.util.HashSet; |
17 |
> |
import java.util.List; |
18 |
> |
import java.util.concurrent.BlockingQueue; |
19 |
> |
import java.util.concurrent.Callable; |
20 |
> |
import java.util.concurrent.CancellationException; |
21 |
> |
import java.util.concurrent.CountDownLatch; |
22 |
> |
import java.util.concurrent.ExecutionException; |
23 |
> |
import java.util.concurrent.ExecutorService; |
24 |
> |
import java.util.concurrent.Future; |
25 |
> |
import java.util.concurrent.RejectedExecutionException; |
26 |
> |
import java.util.concurrent.ScheduledFuture; |
27 |
> |
import java.util.concurrent.ScheduledThreadPoolExecutor; |
28 |
> |
import java.util.concurrent.ThreadFactory; |
29 |
> |
import java.util.concurrent.ThreadLocalRandom; |
30 |
> |
import java.util.concurrent.ThreadPoolExecutor; |
31 |
> |
import java.util.concurrent.atomic.AtomicBoolean; |
32 |
> |
import java.util.concurrent.atomic.AtomicInteger; |
33 |
> |
import java.util.concurrent.atomic.AtomicLong; |
34 |
> |
import java.util.stream.Stream; |
35 |
> |
|
36 |
> |
import junit.framework.Test; |
37 |
> |
import junit.framework.TestSuite; |
38 |
|
|
39 |
|
public class ScheduledExecutorTest extends JSR166TestCase { |
40 |
|
public static void main(String[] args) { |
41 |
< |
junit.textui.TestRunner.run(suite()); |
41 |
> |
main(suite(), args); |
42 |
|
} |
43 |
|
public static Test suite() { |
44 |
|
return new TestSuite(ScheduledExecutorTest.class); |
48 |
|
* execute successfully executes a runnable |
49 |
|
*/ |
50 |
|
public void testExecute() throws InterruptedException { |
51 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
52 |
< |
final CountDownLatch done = new CountDownLatch(1); |
53 |
< |
final Runnable task = new CheckedRunnable() { |
54 |
< |
public void realRun() { |
55 |
< |
done.countDown(); |
32 |
< |
}}; |
33 |
< |
try { |
51 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
52 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
53 |
> |
final CountDownLatch done = new CountDownLatch(1); |
54 |
> |
final Runnable task = new CheckedRunnable() { |
55 |
> |
public void realRun() { done.countDown(); }}; |
56 |
|
p.execute(task); |
57 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
36 |
< |
} finally { |
37 |
< |
joinPool(p); |
57 |
> |
await(done); |
58 |
|
} |
59 |
|
} |
60 |
|
|
62 |
|
* delayed schedule of callable successfully executes after delay |
63 |
|
*/ |
64 |
|
public void testSchedule1() throws Exception { |
65 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
66 |
< |
final long t0 = System.nanoTime(); |
67 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
68 |
< |
final CountDownLatch done = new CountDownLatch(1); |
49 |
< |
try { |
65 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
66 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
67 |
> |
final long startTime = System.nanoTime(); |
68 |
> |
final CountDownLatch done = new CountDownLatch(1); |
69 |
|
Callable task = new CheckedCallable<Boolean>() { |
70 |
|
public Boolean realCall() { |
71 |
|
done.countDown(); |
72 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
72 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
73 |
|
return Boolean.TRUE; |
74 |
|
}}; |
75 |
< |
Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
76 |
< |
assertEquals(Boolean.TRUE, f.get()); |
77 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
78 |
< |
assertTrue(done.await(0L, MILLISECONDS)); |
60 |
< |
} finally { |
61 |
< |
joinPool(p); |
75 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
76 |
> |
assertSame(Boolean.TRUE, f.get()); |
77 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
78 |
> |
assertEquals(0L, done.getCount()); |
79 |
|
} |
80 |
|
} |
81 |
|
|
83 |
|
* delayed schedule of runnable successfully executes after delay |
84 |
|
*/ |
85 |
|
public void testSchedule3() throws Exception { |
86 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
87 |
< |
final long t0 = System.nanoTime(); |
88 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
89 |
< |
final CountDownLatch done = new CountDownLatch(1); |
73 |
< |
try { |
86 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
87 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
88 |
> |
final long startTime = System.nanoTime(); |
89 |
> |
final CountDownLatch done = new CountDownLatch(1); |
90 |
|
Runnable task = new CheckedRunnable() { |
91 |
|
public void realRun() { |
92 |
|
done.countDown(); |
93 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
93 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
94 |
|
}}; |
95 |
< |
Future f = p.schedule(task, SHORT_DELAY_MS, MILLISECONDS); |
96 |
< |
assertNull(f.get()); |
97 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
98 |
< |
assertTrue(done.await(0L, MILLISECONDS)); |
83 |
< |
} finally { |
84 |
< |
joinPool(p); |
95 |
> |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
96 |
> |
await(done); |
97 |
> |
assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
98 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
99 |
|
} |
100 |
|
} |
101 |
|
|
103 |
|
* scheduleAtFixedRate executes runnable after given initial delay |
104 |
|
*/ |
105 |
|
public void testSchedule4() throws Exception { |
106 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
107 |
< |
final long t0 = System.nanoTime(); |
108 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
109 |
< |
final CountDownLatch done = new CountDownLatch(1); |
96 |
< |
try { |
106 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
107 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
108 |
> |
final long startTime = System.nanoTime(); |
109 |
> |
final CountDownLatch done = new CountDownLatch(1); |
110 |
|
Runnable task = new CheckedRunnable() { |
111 |
|
public void realRun() { |
112 |
|
done.countDown(); |
113 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
113 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
114 |
|
}}; |
115 |
|
ScheduledFuture f = |
116 |
< |
p.scheduleAtFixedRate(task, SHORT_DELAY_MS, |
117 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
118 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
119 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
116 |
> |
p.scheduleAtFixedRate(task, timeoutMillis(), |
117 |
> |
LONG_DELAY_MS, MILLISECONDS); |
118 |
> |
await(done); |
119 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
120 |
|
f.cancel(true); |
108 |
– |
} finally { |
109 |
– |
joinPool(p); |
121 |
|
} |
122 |
|
} |
123 |
|
|
124 |
|
/** |
125 |
|
* scheduleWithFixedDelay executes runnable after given initial delay |
126 |
|
*/ |
127 |
< |
public void testSchedule5() throws InterruptedException { |
128 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
129 |
< |
final long t0 = System.nanoTime(); |
130 |
< |
final long timeoutNanos = SHORT_DELAY_MS * 1000L * 1000L; |
131 |
< |
final CountDownLatch done = new CountDownLatch(1); |
121 |
< |
try { |
127 |
> |
public void testSchedule5() throws Exception { |
128 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
129 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
130 |
> |
final long startTime = System.nanoTime(); |
131 |
> |
final CountDownLatch done = new CountDownLatch(1); |
132 |
|
Runnable task = new CheckedRunnable() { |
133 |
|
public void realRun() { |
134 |
|
done.countDown(); |
135 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
135 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
136 |
|
}}; |
137 |
|
ScheduledFuture f = |
138 |
< |
p.scheduleWithFixedDelay(task, SHORT_DELAY_MS, |
139 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
140 |
< |
assertTrue(done.await(SMALL_DELAY_MS, MILLISECONDS)); |
141 |
< |
assertTrue(System.nanoTime() - t0 >= timeoutNanos); |
138 |
> |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
139 |
> |
LONG_DELAY_MS, MILLISECONDS); |
140 |
> |
await(done); |
141 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
142 |
|
f.cancel(true); |
133 |
– |
} finally { |
134 |
– |
joinPool(p); |
143 |
|
} |
144 |
|
} |
145 |
|
|
149 |
|
} |
150 |
|
|
151 |
|
/** |
152 |
< |
* scheduleAtFixedRate executes series of tasks at given rate |
152 |
> |
* scheduleAtFixedRate executes series of tasks at given rate. |
153 |
> |
* Eventually, it must hold that: |
154 |
> |
* cycles - 1 <= elapsedMillis/delay < cycles |
155 |
|
*/ |
156 |
|
public void testFixedRateSequence() throws InterruptedException { |
157 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
158 |
< |
RunnableCounter counter = new RunnableCounter(); |
159 |
< |
ScheduledFuture h = |
160 |
< |
p.scheduleAtFixedRate(counter, 0, 1, MILLISECONDS); |
161 |
< |
delay(SMALL_DELAY_MS); |
162 |
< |
h.cancel(true); |
163 |
< |
int c = counter.count.get(); |
164 |
< |
// By time scaling conventions, we must have at least |
165 |
< |
// an execution per SHORT delay, but no more than one SHORT more |
166 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
167 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
168 |
< |
joinPool(p); |
157 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
158 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
159 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
160 |
> |
final long startTime = System.nanoTime(); |
161 |
> |
final int cycles = 8; |
162 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
163 |
> |
final Runnable task = new CheckedRunnable() { |
164 |
> |
public void realRun() { done.countDown(); }}; |
165 |
> |
final ScheduledFuture periodicTask = |
166 |
> |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
167 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
168 |
> |
await(done, totalDelayMillis + LONG_DELAY_MS); |
169 |
> |
periodicTask.cancel(true); |
170 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
171 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
172 |
> |
if (elapsedMillis <= cycles * delay) |
173 |
> |
return; |
174 |
> |
// else retry with longer delay |
175 |
> |
} |
176 |
> |
fail("unexpected execution rate"); |
177 |
> |
} |
178 |
|
} |
179 |
|
|
180 |
|
/** |
181 |
< |
* scheduleWithFixedDelay executes series of tasks with given period |
181 |
> |
* scheduleWithFixedDelay executes series of tasks with given period. |
182 |
> |
* Eventually, it must hold that each task starts at least delay and at |
183 |
> |
* most 2 * delay after the termination of the previous task. |
184 |
|
*/ |
185 |
|
public void testFixedDelaySequence() throws InterruptedException { |
186 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
187 |
< |
RunnableCounter counter = new RunnableCounter(); |
188 |
< |
ScheduledFuture h = |
189 |
< |
p.scheduleWithFixedDelay(counter, 0, 1, MILLISECONDS); |
190 |
< |
delay(SMALL_DELAY_MS); |
191 |
< |
h.cancel(true); |
192 |
< |
int c = counter.count.get(); |
193 |
< |
assertTrue(c >= SMALL_DELAY_MS / SHORT_DELAY_MS); |
194 |
< |
assertTrue(c <= SMALL_DELAY_MS + SHORT_DELAY_MS); |
195 |
< |
joinPool(p); |
186 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
187 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
188 |
> |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
189 |
> |
final long startTime = System.nanoTime(); |
190 |
> |
final AtomicLong previous = new AtomicLong(startTime); |
191 |
> |
final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
192 |
> |
final int cycles = 8; |
193 |
> |
final CountDownLatch done = new CountDownLatch(cycles); |
194 |
> |
final int d = delay; |
195 |
> |
final Runnable task = new CheckedRunnable() { |
196 |
> |
public void realRun() { |
197 |
> |
long now = System.nanoTime(); |
198 |
> |
long elapsedMillis |
199 |
> |
= NANOSECONDS.toMillis(now - previous.get()); |
200 |
> |
if (done.getCount() == cycles) { // first execution |
201 |
> |
if (elapsedMillis >= d) |
202 |
> |
tryLongerDelay.set(true); |
203 |
> |
} else { |
204 |
> |
assertTrue(elapsedMillis >= d); |
205 |
> |
if (elapsedMillis >= 2 * d) |
206 |
> |
tryLongerDelay.set(true); |
207 |
> |
} |
208 |
> |
previous.set(now); |
209 |
> |
done.countDown(); |
210 |
> |
}}; |
211 |
> |
final ScheduledFuture periodicTask = |
212 |
> |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
213 |
> |
final int totalDelayMillis = (cycles - 1) * delay; |
214 |
> |
await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
215 |
> |
periodicTask.cancel(true); |
216 |
> |
final long elapsedMillis = millisElapsedSince(startTime); |
217 |
> |
assertTrue(elapsedMillis >= totalDelayMillis); |
218 |
> |
if (!tryLongerDelay.get()) |
219 |
> |
return; |
220 |
> |
// else retry with longer delay |
221 |
> |
} |
222 |
> |
fail("unexpected execution rate"); |
223 |
> |
} |
224 |
|
} |
225 |
|
|
226 |
|
/** |
227 |
< |
* execute(null) throws NPE |
227 |
> |
* Submitting null tasks throws NullPointerException |
228 |
|
*/ |
229 |
< |
public void testExecuteNull() throws InterruptedException { |
230 |
< |
ScheduledThreadPoolExecutor se = null; |
231 |
< |
try { |
232 |
< |
se = new ScheduledThreadPoolExecutor(1); |
233 |
< |
se.execute(null); |
185 |
< |
shouldThrow(); |
186 |
< |
} catch (NullPointerException success) {} |
187 |
< |
|
188 |
< |
joinPool(se); |
229 |
> |
public void testNullTaskSubmission() { |
230 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
231 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
232 |
> |
assertNullTaskSubmissionThrowsNullPointerException(p); |
233 |
> |
} |
234 |
|
} |
235 |
|
|
236 |
|
/** |
237 |
< |
* schedule(null) throws NPE |
237 |
> |
* Submitted tasks are rejected when shutdown |
238 |
|
*/ |
239 |
< |
public void testScheduleNull() throws InterruptedException { |
240 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
241 |
< |
try { |
242 |
< |
TrackedCallable callable = null; |
243 |
< |
Future f = se.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
244 |
< |
shouldThrow(); |
245 |
< |
} catch (NullPointerException success) {} |
246 |
< |
joinPool(se); |
247 |
< |
} |
239 |
> |
public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException { |
240 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
241 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
242 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize()); |
243 |
> |
final CountDownLatch done = new CountDownLatch(1); |
244 |
> |
final Runnable r = () -> { |
245 |
> |
threadsStarted.countDown(); |
246 |
> |
for (;;) { |
247 |
> |
try { |
248 |
> |
done.await(); |
249 |
> |
return; |
250 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
251 |
> |
}}; |
252 |
> |
final Callable<Boolean> c = () -> { |
253 |
> |
threadsStarted.countDown(); |
254 |
> |
for (;;) { |
255 |
> |
try { |
256 |
> |
done.await(); |
257 |
> |
return Boolean.TRUE; |
258 |
> |
} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
259 |
> |
}}; |
260 |
|
|
261 |
< |
/** |
262 |
< |
* execute throws RejectedExecutionException if shutdown |
263 |
< |
*/ |
264 |
< |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
265 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
266 |
< |
try { |
267 |
< |
se.shutdown(); |
268 |
< |
se.schedule(new NoOpRunnable(), |
269 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
213 |
< |
shouldThrow(); |
214 |
< |
} catch (RejectedExecutionException success) { |
215 |
< |
} catch (SecurityException ok) { |
216 |
< |
} |
261 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
262 |
> |
for (int i = p.getCorePoolSize(); i--> 0; ) { |
263 |
> |
switch (rnd.nextInt(4)) { |
264 |
> |
case 0: p.execute(r); break; |
265 |
> |
case 1: assertFalse(p.submit(r).isDone()); break; |
266 |
> |
case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break; |
267 |
> |
case 3: assertFalse(p.submit(c).isDone()); break; |
268 |
> |
} |
269 |
> |
} |
270 |
|
|
271 |
< |
joinPool(se); |
272 |
< |
} |
271 |
> |
// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated. |
272 |
> |
await(threadsStarted); |
273 |
|
|
274 |
< |
/** |
275 |
< |
* schedule throws RejectedExecutionException if shutdown |
276 |
< |
*/ |
277 |
< |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
278 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
279 |
< |
try { |
280 |
< |
se.shutdown(); |
228 |
< |
se.schedule(new NoOpCallable(), |
229 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
230 |
< |
shouldThrow(); |
231 |
< |
} catch (RejectedExecutionException success) { |
232 |
< |
} catch (SecurityException ok) { |
233 |
< |
} |
234 |
< |
joinPool(se); |
235 |
< |
} |
274 |
> |
if (rnd.nextBoolean()) |
275 |
> |
p.shutdownNow(); |
276 |
> |
else |
277 |
> |
p.shutdown(); |
278 |
> |
// Pool is shutdown, but not yet terminated |
279 |
> |
assertTaskSubmissionsAreRejected(p); |
280 |
> |
assertFalse(p.isTerminated()); |
281 |
|
|
282 |
< |
/** |
283 |
< |
* schedule callable throws RejectedExecutionException if shutdown |
239 |
< |
*/ |
240 |
< |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
241 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
242 |
< |
try { |
243 |
< |
se.shutdown(); |
244 |
< |
se.schedule(new NoOpCallable(), |
245 |
< |
MEDIUM_DELAY_MS, MILLISECONDS); |
246 |
< |
shouldThrow(); |
247 |
< |
} catch (RejectedExecutionException success) { |
248 |
< |
} catch (SecurityException ok) { |
249 |
< |
} |
250 |
< |
joinPool(se); |
251 |
< |
} |
282 |
> |
done.countDown(); // release blocking tasks |
283 |
> |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
284 |
|
|
285 |
< |
/** |
254 |
< |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
255 |
< |
*/ |
256 |
< |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
257 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
258 |
< |
try { |
259 |
< |
se.shutdown(); |
260 |
< |
se.scheduleAtFixedRate(new NoOpRunnable(), |
261 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
262 |
< |
shouldThrow(); |
263 |
< |
} catch (RejectedExecutionException success) { |
264 |
< |
} catch (SecurityException ok) { |
285 |
> |
assertTaskSubmissionsAreRejected(p); |
286 |
|
} |
287 |
< |
joinPool(se); |
267 |
< |
} |
268 |
< |
|
269 |
< |
/** |
270 |
< |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
271 |
< |
*/ |
272 |
< |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
273 |
< |
ScheduledThreadPoolExecutor se = new ScheduledThreadPoolExecutor(1); |
274 |
< |
try { |
275 |
< |
se.shutdown(); |
276 |
< |
se.scheduleWithFixedDelay(new NoOpRunnable(), |
277 |
< |
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
278 |
< |
shouldThrow(); |
279 |
< |
} catch (RejectedExecutionException success) { |
280 |
< |
} catch (SecurityException ok) { |
281 |
< |
} |
282 |
< |
joinPool(se); |
287 |
> |
assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount()); |
288 |
|
} |
289 |
|
|
290 |
|
/** |
292 |
|
* thread becomes active |
293 |
|
*/ |
294 |
|
public void testGetActiveCount() throws InterruptedException { |
290 |
– |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
291 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
295 |
|
final CountDownLatch done = new CountDownLatch(1); |
296 |
< |
try { |
296 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
297 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
298 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
299 |
|
assertEquals(0, p.getActiveCount()); |
300 |
|
p.execute(new CheckedRunnable() { |
301 |
|
public void realRun() throws InterruptedException { |
302 |
|
threadStarted.countDown(); |
303 |
|
assertEquals(1, p.getActiveCount()); |
304 |
< |
done.await(); |
304 |
> |
await(done); |
305 |
|
}}); |
306 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
306 |
> |
await(threadStarted); |
307 |
|
assertEquals(1, p.getActiveCount()); |
303 |
– |
} finally { |
304 |
– |
done.countDown(); |
305 |
– |
joinPool(p); |
308 |
|
} |
309 |
|
} |
310 |
|
|
314 |
|
*/ |
315 |
|
public void testGetCompletedTaskCount() throws InterruptedException { |
316 |
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
317 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
318 |
< |
final CountDownLatch threadProceed = new CountDownLatch(1); |
319 |
< |
final CountDownLatch threadDone = new CountDownLatch(1); |
320 |
< |
try { |
317 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
318 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
319 |
> |
final CountDownLatch threadProceed = new CountDownLatch(1); |
320 |
> |
final CountDownLatch threadDone = new CountDownLatch(1); |
321 |
|
assertEquals(0, p.getCompletedTaskCount()); |
322 |
|
p.execute(new CheckedRunnable() { |
323 |
|
public void realRun() throws InterruptedException { |
324 |
|
threadStarted.countDown(); |
325 |
|
assertEquals(0, p.getCompletedTaskCount()); |
326 |
< |
threadProceed.await(); |
326 |
> |
await(threadProceed); |
327 |
|
threadDone.countDown(); |
328 |
|
}}); |
329 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
329 |
> |
await(threadStarted); |
330 |
|
assertEquals(0, p.getCompletedTaskCount()); |
331 |
|
threadProceed.countDown(); |
332 |
< |
threadDone.await(); |
333 |
< |
delay(SHORT_DELAY_MS); |
334 |
< |
assertEquals(1, p.getCompletedTaskCount()); |
335 |
< |
} finally { |
336 |
< |
joinPool(p); |
332 |
> |
await(threadDone); |
333 |
> |
long startTime = System.nanoTime(); |
334 |
> |
while (p.getCompletedTaskCount() != 1) { |
335 |
> |
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
336 |
> |
fail("timed out"); |
337 |
> |
Thread.yield(); |
338 |
> |
} |
339 |
|
} |
340 |
|
} |
341 |
|
|
344 |
|
*/ |
345 |
|
public void testGetCorePoolSize() throws InterruptedException { |
346 |
|
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
347 |
< |
assertEquals(1, p.getCorePoolSize()); |
348 |
< |
joinPool(p); |
347 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
348 |
> |
assertEquals(1, p.getCorePoolSize()); |
349 |
> |
} |
350 |
|
} |
351 |
|
|
352 |
|
/** |
358 |
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
359 |
|
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
360 |
|
final CountDownLatch done = new CountDownLatch(1); |
361 |
< |
try { |
361 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
362 |
|
assertEquals(0, p.getLargestPoolSize()); |
363 |
|
for (int i = 0; i < THREADS; i++) |
364 |
|
p.execute(new CheckedRunnable() { |
365 |
|
public void realRun() throws InterruptedException { |
366 |
|
threadsStarted.countDown(); |
367 |
< |
done.await(); |
367 |
> |
await(done); |
368 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
369 |
|
}}); |
370 |
< |
assertTrue(threadsStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
366 |
< |
assertEquals(THREADS, p.getLargestPoolSize()); |
367 |
< |
} finally { |
368 |
< |
done.countDown(); |
369 |
< |
joinPool(p); |
370 |
> |
await(threadsStarted); |
371 |
|
assertEquals(THREADS, p.getLargestPoolSize()); |
372 |
|
} |
373 |
+ |
assertEquals(THREADS, p.getLargestPoolSize()); |
374 |
|
} |
375 |
|
|
376 |
|
/** |
381 |
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
382 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
383 |
|
final CountDownLatch done = new CountDownLatch(1); |
384 |
< |
try { |
384 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
385 |
|
assertEquals(0, p.getPoolSize()); |
386 |
|
p.execute(new CheckedRunnable() { |
387 |
|
public void realRun() throws InterruptedException { |
388 |
|
threadStarted.countDown(); |
389 |
|
assertEquals(1, p.getPoolSize()); |
390 |
< |
done.await(); |
390 |
> |
await(done); |
391 |
|
}}); |
392 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
392 |
> |
await(threadStarted); |
393 |
|
assertEquals(1, p.getPoolSize()); |
392 |
– |
} finally { |
393 |
– |
done.countDown(); |
394 |
– |
joinPool(p); |
394 |
|
} |
395 |
|
} |
396 |
|
|
399 |
|
* submitted |
400 |
|
*/ |
401 |
|
public void testGetTaskCount() throws InterruptedException { |
402 |
< |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
404 |
< |
final CountDownLatch threadStarted = new CountDownLatch(1); |
402 |
> |
final int TASKS = 3; |
403 |
|
final CountDownLatch done = new CountDownLatch(1); |
404 |
< |
final int TASKS = 5; |
405 |
< |
try { |
404 |
> |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
405 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
406 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
407 |
|
assertEquals(0, p.getTaskCount()); |
408 |
< |
for (int i = 0; i < TASKS; i++) |
408 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
409 |
> |
p.execute(new CheckedRunnable() { |
410 |
> |
public void realRun() throws InterruptedException { |
411 |
> |
threadStarted.countDown(); |
412 |
> |
await(done); |
413 |
> |
}}); |
414 |
> |
await(threadStarted); |
415 |
> |
assertEquals(1, p.getTaskCount()); |
416 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
417 |
> |
for (int i = 0; i < TASKS; i++) { |
418 |
> |
assertEquals(1 + i, p.getTaskCount()); |
419 |
|
p.execute(new CheckedRunnable() { |
420 |
|
public void realRun() throws InterruptedException { |
421 |
|
threadStarted.countDown(); |
422 |
< |
done.await(); |
422 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
423 |
> |
await(done); |
424 |
|
}}); |
425 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
426 |
< |
assertEquals(TASKS, p.getTaskCount()); |
427 |
< |
} finally { |
418 |
< |
done.countDown(); |
419 |
< |
joinPool(p); |
425 |
> |
} |
426 |
> |
assertEquals(1 + TASKS, p.getTaskCount()); |
427 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
428 |
|
} |
429 |
+ |
assertEquals(1 + TASKS, p.getTaskCount()); |
430 |
+ |
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
431 |
|
} |
432 |
|
|
433 |
|
/** |
434 |
|
* getThreadFactory returns factory in constructor if not set |
435 |
|
*/ |
436 |
|
public void testGetThreadFactory() throws InterruptedException { |
437 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
438 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1, tf); |
439 |
< |
assertSame(tf, p.getThreadFactory()); |
440 |
< |
joinPool(p); |
437 |
> |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
438 |
> |
final ScheduledThreadPoolExecutor p = |
439 |
> |
new ScheduledThreadPoolExecutor(1, threadFactory); |
440 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
441 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
442 |
> |
} |
443 |
|
} |
444 |
|
|
445 |
|
/** |
446 |
|
* setThreadFactory sets the thread factory returned by getThreadFactory |
447 |
|
*/ |
448 |
|
public void testSetThreadFactory() throws InterruptedException { |
449 |
< |
ThreadFactory tf = new SimpleThreadFactory(); |
450 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
451 |
< |
p.setThreadFactory(tf); |
452 |
< |
assertSame(tf, p.getThreadFactory()); |
453 |
< |
joinPool(p); |
449 |
> |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
450 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
451 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
452 |
> |
p.setThreadFactory(threadFactory); |
453 |
> |
assertSame(threadFactory, p.getThreadFactory()); |
454 |
> |
} |
455 |
|
} |
456 |
|
|
457 |
|
/** |
458 |
|
* setThreadFactory(null) throws NPE |
459 |
|
*/ |
460 |
|
public void testSetThreadFactoryNull() throws InterruptedException { |
461 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
462 |
< |
try { |
463 |
< |
p.setThreadFactory(null); |
464 |
< |
shouldThrow(); |
465 |
< |
} catch (NullPointerException success) { |
466 |
< |
} finally { |
467 |
< |
joinPool(p); |
461 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
462 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
463 |
> |
try { |
464 |
> |
p.setThreadFactory(null); |
465 |
> |
shouldThrow(); |
466 |
> |
} catch (NullPointerException success) {} |
467 |
> |
} |
468 |
> |
} |
469 |
> |
|
470 |
> |
/** |
471 |
> |
* The default rejected execution handler is AbortPolicy. |
472 |
> |
*/ |
473 |
> |
public void testDefaultRejectedExecutionHandler() { |
474 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
475 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
476 |
> |
assertTrue(p.getRejectedExecutionHandler() |
477 |
> |
instanceof ThreadPoolExecutor.AbortPolicy); |
478 |
|
} |
479 |
|
} |
480 |
|
|
482 |
|
* isShutdown is false before shutdown, true after |
483 |
|
*/ |
484 |
|
public void testIsShutdown() { |
485 |
< |
|
486 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
487 |
< |
try { |
488 |
< |
assertFalse(p.isShutdown()); |
489 |
< |
} |
490 |
< |
finally { |
491 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
485 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
486 |
> |
assertFalse(p.isShutdown()); |
487 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
488 |
> |
try { |
489 |
> |
p.shutdown(); |
490 |
> |
assertTrue(p.isShutdown()); |
491 |
> |
} catch (SecurityException ok) {} |
492 |
|
} |
470 |
– |
assertTrue(p.isShutdown()); |
493 |
|
} |
494 |
|
|
495 |
|
/** |
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 { |
500 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
501 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
502 |
> |
final CountDownLatch done = new CountDownLatch(1); |
503 |
> |
assertFalse(p.isTerminated()); |
504 |
|
p.execute(new CheckedRunnable() { |
505 |
|
public void realRun() throws InterruptedException { |
506 |
|
assertFalse(p.isTerminated()); |
507 |
|
threadStarted.countDown(); |
508 |
< |
done.await(); |
508 |
> |
await(done); |
509 |
|
}}); |
510 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
510 |
> |
await(threadStarted); |
511 |
|
assertFalse(p.isTerminating()); |
512 |
|
done.countDown(); |
491 |
– |
} finally { |
513 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
514 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
515 |
+ |
assertTrue(p.isTerminated()); |
516 |
|
} |
494 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
495 |
– |
assertTrue(p.isTerminated()); |
517 |
|
} |
518 |
|
|
519 |
|
/** |
523 |
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
524 |
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
525 |
|
final CountDownLatch done = new CountDownLatch(1); |
526 |
< |
try { |
526 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
527 |
|
assertFalse(p.isTerminating()); |
528 |
|
p.execute(new CheckedRunnable() { |
529 |
|
public void realRun() throws InterruptedException { |
530 |
|
assertFalse(p.isTerminating()); |
531 |
|
threadStarted.countDown(); |
532 |
< |
done.await(); |
532 |
> |
await(done); |
533 |
|
}}); |
534 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
534 |
> |
await(threadStarted); |
535 |
|
assertFalse(p.isTerminating()); |
536 |
|
done.countDown(); |
516 |
– |
} finally { |
537 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
538 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
539 |
+ |
assertTrue(p.isTerminated()); |
540 |
+ |
assertFalse(p.isTerminating()); |
541 |
|
} |
519 |
– |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
520 |
– |
assertTrue(p.isTerminated()); |
521 |
– |
assertFalse(p.isTerminating()); |
542 |
|
} |
543 |
|
|
544 |
|
/** |
545 |
|
* getQueue returns the work queue, which contains queued tasks |
546 |
|
*/ |
547 |
|
public void testGetQueue() throws InterruptedException { |
528 |
– |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
529 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
548 |
|
final CountDownLatch done = new CountDownLatch(1); |
549 |
< |
try { |
549 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
550 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
551 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
552 |
|
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
553 |
|
for (int i = 0; i < tasks.length; i++) { |
554 |
|
Runnable r = new CheckedRunnable() { |
555 |
|
public void realRun() throws InterruptedException { |
556 |
|
threadStarted.countDown(); |
557 |
< |
done.await(); |
557 |
> |
await(done); |
558 |
|
}}; |
559 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
560 |
|
} |
561 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
561 |
> |
await(threadStarted); |
562 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
563 |
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
564 |
|
assertFalse(q.contains(tasks[0])); |
545 |
– |
} finally { |
546 |
– |
done.countDown(); |
547 |
– |
joinPool(p); |
565 |
|
} |
566 |
|
} |
567 |
|
|
569 |
|
* remove(task) removes queued task, and fails to remove active task |
570 |
|
*/ |
571 |
|
public void testRemove() throws InterruptedException { |
555 |
– |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
556 |
– |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
557 |
– |
final CountDownLatch threadStarted = new CountDownLatch(1); |
572 |
|
final CountDownLatch done = new CountDownLatch(1); |
573 |
< |
try { |
573 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
574 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
575 |
> |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
576 |
> |
final CountDownLatch threadStarted = new CountDownLatch(1); |
577 |
|
for (int i = 0; i < tasks.length; i++) { |
578 |
|
Runnable r = new CheckedRunnable() { |
579 |
|
public void realRun() throws InterruptedException { |
580 |
|
threadStarted.countDown(); |
581 |
< |
done.await(); |
581 |
> |
await(done); |
582 |
|
}}; |
583 |
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
584 |
|
} |
585 |
< |
assertTrue(threadStarted.await(SMALL_DELAY_MS, MILLISECONDS)); |
585 |
> |
await(threadStarted); |
586 |
|
BlockingQueue<Runnable> q = p.getQueue(); |
587 |
|
assertFalse(p.remove((Runnable)tasks[0])); |
588 |
|
assertTrue(q.contains((Runnable)tasks[4])); |
593 |
|
assertTrue(q.contains((Runnable)tasks[3])); |
594 |
|
assertTrue(p.remove((Runnable)tasks[3])); |
595 |
|
assertFalse(q.contains((Runnable)tasks[3])); |
579 |
– |
} finally { |
580 |
– |
done.countDown(); |
581 |
– |
joinPool(p); |
596 |
|
} |
597 |
|
} |
598 |
|
|
600 |
|
* purge eventually removes cancelled tasks from the queue |
601 |
|
*/ |
602 |
|
public void testPurge() throws InterruptedException { |
603 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
604 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
605 |
< |
for (int i = 0; i < tasks.length; i++) |
606 |
< |
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
607 |
< |
LONG_DELAY_MS, MILLISECONDS); |
608 |
< |
try { |
603 |
> |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
604 |
> |
final Runnable releaser = new Runnable() { public void run() { |
605 |
> |
for (ScheduledFuture task : tasks) |
606 |
> |
if (task != null) task.cancel(true); }}; |
607 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
608 |
> |
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
609 |
> |
for (int i = 0; i < tasks.length; i++) |
610 |
> |
tasks[i] = p.schedule(possiblyInterruptedRunnable(SMALL_DELAY_MS), |
611 |
> |
LONG_DELAY_MS, MILLISECONDS); |
612 |
|
int max = tasks.length; |
613 |
|
if (tasks[4].cancel(true)) --max; |
614 |
|
if (tasks[3].cancel(true)) --max; |
620 |
|
long count = p.getTaskCount(); |
621 |
|
if (count == max) |
622 |
|
return; |
623 |
< |
} while (millisElapsedSince(startTime) < MEDIUM_DELAY_MS); |
623 |
> |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
624 |
|
fail("Purge failed to remove cancelled tasks"); |
608 |
– |
} finally { |
609 |
– |
for (ScheduledFuture task : tasks) |
610 |
– |
task.cancel(true); |
611 |
– |
joinPool(p); |
625 |
|
} |
626 |
|
} |
627 |
|
|
628 |
|
/** |
629 |
< |
* shutdownNow returns a list containing tasks that were not run |
629 |
> |
* shutdownNow returns a list containing tasks that were not run, |
630 |
> |
* and those tasks are drained from the queue |
631 |
|
*/ |
632 |
< |
public void testShutdownNow() { |
633 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
634 |
< |
for (int i = 0; i < 5; i++) |
635 |
< |
p.schedule(new SmallPossiblyInterruptedRunnable(), |
636 |
< |
LONG_DELAY_MS, MILLISECONDS); |
632 |
> |
public void testShutdownNow() throws InterruptedException { |
633 |
> |
final int poolSize = 2; |
634 |
> |
final int count = 5; |
635 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
636 |
> |
final ScheduledThreadPoolExecutor p = |
637 |
> |
new ScheduledThreadPoolExecutor(poolSize); |
638 |
> |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
639 |
> |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
640 |
> |
threadsStarted.countDown(); |
641 |
> |
try { |
642 |
> |
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
643 |
> |
} catch (InterruptedException success) {} |
644 |
> |
ran.getAndIncrement(); |
645 |
> |
}}; |
646 |
> |
for (int i = 0; i < count; i++) |
647 |
> |
p.execute(waiter); |
648 |
> |
await(threadsStarted); |
649 |
> |
assertEquals(poolSize, p.getActiveCount()); |
650 |
> |
assertEquals(0, p.getCompletedTaskCount()); |
651 |
> |
final List<Runnable> queuedTasks; |
652 |
|
try { |
653 |
< |
List<Runnable> l = p.shutdownNow(); |
625 |
< |
assertTrue(p.isShutdown()); |
626 |
< |
assertEquals(5, l.size()); |
653 |
> |
queuedTasks = p.shutdownNow(); |
654 |
|
} catch (SecurityException ok) { |
655 |
< |
// Allowed in case test doesn't have privs |
629 |
< |
} finally { |
630 |
< |
joinPool(p); |
655 |
> |
return; // Allowed in case test doesn't have privs |
656 |
|
} |
657 |
+ |
assertTrue(p.isShutdown()); |
658 |
+ |
assertTrue(p.getQueue().isEmpty()); |
659 |
+ |
assertEquals(count - poolSize, queuedTasks.size()); |
660 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
661 |
+ |
assertTrue(p.isTerminated()); |
662 |
+ |
assertEquals(poolSize, ran.get()); |
663 |
+ |
assertEquals(poolSize, p.getCompletedTaskCount()); |
664 |
|
} |
665 |
|
|
666 |
|
/** |
667 |
< |
* In default setting, shutdown cancels periodic but not delayed |
668 |
< |
* tasks at shutdown |
667 |
> |
* shutdownNow returns a list containing tasks that were not run, |
668 |
> |
* and those tasks are drained from the queue |
669 |
|
*/ |
670 |
< |
public void testShutdown1() throws InterruptedException { |
671 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
672 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
673 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
674 |
< |
|
675 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
676 |
< |
for (int i = 0; i < tasks.length; i++) |
677 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
678 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
679 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
680 |
< |
BlockingQueue<Runnable> q = p.getQueue(); |
681 |
< |
for (ScheduledFuture task : tasks) { |
682 |
< |
assertFalse(task.isDone()); |
683 |
< |
assertFalse(task.isCancelled()); |
684 |
< |
assertTrue(q.contains(task)); |
670 |
> |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
671 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
672 |
> |
List<ScheduledFuture> tasks = new ArrayList<>(); |
673 |
> |
for (int i = 0; i < 3; i++) { |
674 |
> |
Runnable r = new NoOpRunnable(); |
675 |
> |
tasks.add(p.schedule(r, 9, SECONDS)); |
676 |
> |
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
677 |
> |
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
678 |
> |
} |
679 |
> |
if (testImplementationDetails) |
680 |
> |
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
681 |
> |
final List<Runnable> queuedTasks; |
682 |
> |
try { |
683 |
> |
queuedTasks = p.shutdownNow(); |
684 |
> |
} catch (SecurityException ok) { |
685 |
> |
return; // Allowed in case test doesn't have privs |
686 |
|
} |
687 |
|
assertTrue(p.isShutdown()); |
688 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
689 |
< |
assertTrue(p.isTerminated()); |
688 |
> |
assertTrue(p.getQueue().isEmpty()); |
689 |
> |
if (testImplementationDetails) |
690 |
> |
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
691 |
> |
assertEquals(tasks.size(), queuedTasks.size()); |
692 |
|
for (ScheduledFuture task : tasks) { |
693 |
< |
assertTrue(task.isDone()); |
693 |
> |
assertFalse(task.isDone()); |
694 |
|
assertFalse(task.isCancelled()); |
695 |
|
} |
696 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
697 |
+ |
assertTrue(p.isTerminated()); |
698 |
|
} |
699 |
|
|
700 |
|
/** |
701 |
< |
* If setExecuteExistingDelayedTasksAfterShutdownPolicy is false, |
702 |
< |
* delayed tasks are cancelled at shutdown |
703 |
< |
*/ |
704 |
< |
public void testShutdown2() throws InterruptedException { |
705 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
706 |
< |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy(false); |
707 |
< |
assertFalse(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
708 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
709 |
< |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
710 |
< |
for (int i = 0; i < tasks.length; i++) |
711 |
< |
tasks[i] = p.schedule(new NoOpRunnable(), |
712 |
< |
SHORT_DELAY_MS, MILLISECONDS); |
713 |
< |
BlockingQueue q = p.getQueue(); |
714 |
< |
assertEquals(tasks.length, q.size()); |
715 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
716 |
< |
assertTrue(p.isShutdown()); |
717 |
< |
assertTrue(q.isEmpty()); |
718 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
719 |
< |
assertTrue(p.isTerminated()); |
720 |
< |
for (ScheduledFuture task : tasks) { |
721 |
< |
assertTrue(task.isDone()); |
722 |
< |
assertTrue(task.isCancelled()); |
701 |
> |
* By default, periodic tasks are cancelled at shutdown. |
702 |
> |
* By default, delayed tasks keep running after shutdown. |
703 |
> |
* Check that changing the default values work: |
704 |
> |
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
705 |
> |
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
706 |
> |
*/ |
707 |
> |
@SuppressWarnings("FutureReturnValueIgnored") |
708 |
> |
public void testShutdown_cancellation() throws Exception { |
709 |
> |
final int poolSize = 4; |
710 |
> |
final ScheduledThreadPoolExecutor p |
711 |
> |
= new ScheduledThreadPoolExecutor(poolSize); |
712 |
> |
final BlockingQueue<Runnable> q = p.getQueue(); |
713 |
> |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
714 |
> |
final long delay = rnd.nextInt(2); |
715 |
> |
final int rounds = rnd.nextInt(1, 3); |
716 |
> |
final boolean effectiveDelayedPolicy; |
717 |
> |
final boolean effectivePeriodicPolicy; |
718 |
> |
final boolean effectiveRemovePolicy; |
719 |
> |
|
720 |
> |
if (rnd.nextBoolean()) |
721 |
> |
p.setExecuteExistingDelayedTasksAfterShutdownPolicy( |
722 |
> |
effectiveDelayedPolicy = rnd.nextBoolean()); |
723 |
> |
else |
724 |
> |
effectiveDelayedPolicy = true; |
725 |
> |
assertEquals(effectiveDelayedPolicy, |
726 |
> |
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
727 |
> |
|
728 |
> |
if (rnd.nextBoolean()) |
729 |
> |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
730 |
> |
effectivePeriodicPolicy = rnd.nextBoolean()); |
731 |
> |
else |
732 |
> |
effectivePeriodicPolicy = false; |
733 |
> |
assertEquals(effectivePeriodicPolicy, |
734 |
> |
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
735 |
> |
|
736 |
> |
if (rnd.nextBoolean()) |
737 |
> |
p.setRemoveOnCancelPolicy( |
738 |
> |
effectiveRemovePolicy = rnd.nextBoolean()); |
739 |
> |
else |
740 |
> |
effectiveRemovePolicy = false; |
741 |
> |
assertEquals(effectiveRemovePolicy, |
742 |
> |
p.getRemoveOnCancelPolicy()); |
743 |
> |
|
744 |
> |
final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean(); |
745 |
> |
|
746 |
> |
// Strategy: Wedge the pool with one wave of "blocker" tasks, |
747 |
> |
// then add a second wave that waits in the queue until unblocked. |
748 |
> |
final AtomicInteger ran = new AtomicInteger(0); |
749 |
> |
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
750 |
> |
final CountDownLatch unblock = new CountDownLatch(1); |
751 |
> |
final RuntimeException exception = new RuntimeException(); |
752 |
> |
|
753 |
> |
class Task implements Runnable { |
754 |
> |
public void run() { |
755 |
> |
try { |
756 |
> |
ran.getAndIncrement(); |
757 |
> |
poolBlocked.countDown(); |
758 |
> |
await(unblock); |
759 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
760 |
> |
} |
761 |
|
} |
687 |
– |
} |
762 |
|
|
763 |
< |
/** |
764 |
< |
* If setContinueExistingPeriodicTasksAfterShutdownPolicy is set false, |
765 |
< |
* periodic tasks are cancelled at shutdown |
766 |
< |
*/ |
767 |
< |
public void testShutdown3() throws InterruptedException { |
768 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
769 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
770 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
771 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(false); |
772 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
773 |
< |
assertFalse(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
774 |
< |
long initialDelay = LONG_DELAY_MS; |
775 |
< |
ScheduledFuture task = |
776 |
< |
p.scheduleAtFixedRate(new NoOpRunnable(), initialDelay, |
777 |
< |
5, MILLISECONDS); |
763 |
> |
class PeriodicTask extends Task { |
764 |
> |
PeriodicTask(int rounds) { this.rounds = rounds; } |
765 |
> |
int rounds; |
766 |
> |
public void run() { |
767 |
> |
if (--rounds == 0) super.run(); |
768 |
> |
// throw exception to surely terminate this periodic task, |
769 |
> |
// but in a separate execution and in a detectable way. |
770 |
> |
if (rounds == -1) throw exception; |
771 |
> |
} |
772 |
> |
} |
773 |
> |
|
774 |
> |
Runnable task = new Task(); |
775 |
> |
|
776 |
> |
List<Future<?>> immediates = new ArrayList<>(); |
777 |
> |
List<Future<?>> delayeds = new ArrayList<>(); |
778 |
> |
List<Future<?>> periodics = new ArrayList<>(); |
779 |
> |
|
780 |
> |
immediates.add(p.submit(task)); |
781 |
> |
delayeds.add(p.schedule(task, delay, MILLISECONDS)); |
782 |
> |
periodics.add(p.scheduleAtFixedRate( |
783 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
784 |
> |
periodics.add(p.scheduleWithFixedDelay( |
785 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
786 |
> |
|
787 |
> |
await(poolBlocked); |
788 |
> |
|
789 |
> |
assertEquals(poolSize, ran.get()); |
790 |
> |
assertEquals(poolSize, p.getActiveCount()); |
791 |
> |
assertTrue(q.isEmpty()); |
792 |
> |
|
793 |
> |
// Add second wave of tasks. |
794 |
> |
immediates.add(p.submit(task)); |
795 |
> |
delayeds.add(p.schedule(task, effectiveDelayedPolicy ? delay : LONG_DELAY_MS, MILLISECONDS)); |
796 |
> |
periodics.add(p.scheduleAtFixedRate( |
797 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
798 |
> |
periodics.add(p.scheduleWithFixedDelay( |
799 |
> |
new PeriodicTask(rounds), delay, 1, MILLISECONDS)); |
800 |
> |
|
801 |
> |
assertEquals(poolSize, q.size()); |
802 |
> |
assertEquals(poolSize, ran.get()); |
803 |
> |
|
804 |
> |
immediates.forEach( |
805 |
> |
f -> assertTrue(((ScheduledFuture)f).getDelay(NANOSECONDS) <= 0L)); |
806 |
> |
|
807 |
> |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
808 |
> |
.forEach(f -> assertFalse(f.isDone())); |
809 |
> |
|
810 |
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
811 |
|
assertTrue(p.isShutdown()); |
812 |
< |
assertTrue(p.getQueue().isEmpty()); |
813 |
< |
assertTrue(task.isDone()); |
708 |
< |
assertTrue(task.isCancelled()); |
709 |
< |
joinPool(p); |
710 |
< |
} |
812 |
> |
assertTrue(p.isTerminating()); |
813 |
> |
assertFalse(p.isTerminated()); |
814 |
|
|
815 |
< |
/** |
816 |
< |
* if setContinueExistingPeriodicTasksAfterShutdownPolicy is true, |
817 |
< |
* periodic tasks are not cancelled at shutdown |
818 |
< |
*/ |
819 |
< |
public void testShutdown4() throws InterruptedException { |
820 |
< |
ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
821 |
< |
final CountDownLatch counter = new CountDownLatch(2); |
822 |
< |
try { |
823 |
< |
p.setContinueExistingPeriodicTasksAfterShutdownPolicy(true); |
824 |
< |
assertTrue(p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
825 |
< |
assertTrue(p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
826 |
< |
final Runnable r = new CheckedRunnable() { |
827 |
< |
public void realRun() { |
828 |
< |
counter.countDown(); |
829 |
< |
}}; |
830 |
< |
ScheduledFuture task = |
831 |
< |
p.scheduleAtFixedRate(r, 1, 1, MILLISECONDS); |
832 |
< |
assertFalse(task.isDone()); |
833 |
< |
assertFalse(task.isCancelled()); |
834 |
< |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
835 |
< |
assertFalse(task.isCancelled()); |
836 |
< |
assertFalse(p.isTerminated()); |
837 |
< |
assertTrue(p.isShutdown()); |
838 |
< |
assertTrue(counter.await(SMALL_DELAY_MS, MILLISECONDS)); |
839 |
< |
assertFalse(task.isCancelled()); |
840 |
< |
assertTrue(task.cancel(false)); |
841 |
< |
assertTrue(task.isDone()); |
842 |
< |
assertTrue(task.isCancelled()); |
843 |
< |
assertTrue(p.awaitTermination(SMALL_DELAY_MS, MILLISECONDS)); |
844 |
< |
assertTrue(p.isTerminated()); |
845 |
< |
} |
846 |
< |
finally { |
847 |
< |
joinPool(p); |
815 |
> |
if (rnd.nextBoolean()) |
816 |
> |
assertThrows( |
817 |
> |
RejectedExecutionException.class, |
818 |
> |
() -> p.submit(task), |
819 |
> |
() -> p.schedule(task, 1, SECONDS), |
820 |
> |
() -> p.scheduleAtFixedRate( |
821 |
> |
new PeriodicTask(1), 1, 1, SECONDS), |
822 |
> |
() -> p.scheduleWithFixedDelay( |
823 |
> |
new PeriodicTask(2), 1, 1, SECONDS)); |
824 |
> |
|
825 |
> |
assertTrue(q.contains(immediates.get(1))); |
826 |
> |
assertTrue(!effectiveDelayedPolicy |
827 |
> |
^ q.contains(delayeds.get(1))); |
828 |
> |
assertTrue(!effectivePeriodicPolicy |
829 |
> |
^ q.containsAll(periodics.subList(2, 4))); |
830 |
> |
|
831 |
> |
immediates.forEach(f -> assertFalse(f.isDone())); |
832 |
> |
|
833 |
> |
assertFalse(delayeds.get(0).isDone()); |
834 |
> |
if (effectiveDelayedPolicy) |
835 |
> |
assertFalse(delayeds.get(1).isDone()); |
836 |
> |
else |
837 |
> |
assertTrue(delayeds.get(1).isCancelled()); |
838 |
> |
|
839 |
> |
if (effectivePeriodicPolicy) |
840 |
> |
periodics.forEach( |
841 |
> |
f -> { |
842 |
> |
assertFalse(f.isDone()); |
843 |
> |
if (!periodicTasksContinue) { |
844 |
> |
assertTrue(f.cancel(false)); |
845 |
> |
assertTrue(f.isCancelled()); |
846 |
> |
} |
847 |
> |
}); |
848 |
> |
else { |
849 |
> |
periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone())); |
850 |
> |
periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled())); |
851 |
|
} |
852 |
+ |
|
853 |
+ |
unblock.countDown(); // Release all pool threads |
854 |
+ |
|
855 |
+ |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
856 |
+ |
assertFalse(p.isTerminating()); |
857 |
+ |
assertTrue(p.isTerminated()); |
858 |
+ |
|
859 |
+ |
assertTrue(q.isEmpty()); |
860 |
+ |
|
861 |
+ |
Stream.of(immediates, delayeds, periodics).flatMap(Collection::stream) |
862 |
+ |
.forEach(f -> assertTrue(f.isDone())); |
863 |
+ |
|
864 |
+ |
for (Future<?> f : immediates) assertNull(f.get()); |
865 |
+ |
|
866 |
+ |
assertNull(delayeds.get(0).get()); |
867 |
+ |
if (effectiveDelayedPolicy) |
868 |
+ |
assertNull(delayeds.get(1).get()); |
869 |
+ |
else |
870 |
+ |
assertTrue(delayeds.get(1).isCancelled()); |
871 |
+ |
|
872 |
+ |
if (periodicTasksContinue) |
873 |
+ |
periodics.forEach( |
874 |
+ |
f -> { |
875 |
+ |
try { f.get(); } |
876 |
+ |
catch (ExecutionException success) { |
877 |
+ |
assertSame(exception, success.getCause()); |
878 |
+ |
} |
879 |
+ |
catch (Throwable fail) { threadUnexpectedException(fail); } |
880 |
+ |
}); |
881 |
+ |
else |
882 |
+ |
periodics.forEach(f -> assertTrue(f.isCancelled())); |
883 |
+ |
|
884 |
+ |
assertEquals(poolSize + 1 |
885 |
+ |
+ (effectiveDelayedPolicy ? 1 : 0) |
886 |
+ |
+ (periodicTasksContinue ? 2 : 0), |
887 |
+ |
ran.get()); |
888 |
|
} |
889 |
|
|
890 |
|
/** |
891 |
|
* completed submit of callable returns result |
892 |
|
*/ |
893 |
|
public void testSubmitCallable() throws Exception { |
894 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
895 |
< |
try { |
894 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
895 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
896 |
|
Future<String> future = e.submit(new StringTask()); |
897 |
|
String result = future.get(); |
898 |
|
assertSame(TEST_STRING, result); |
757 |
– |
} finally { |
758 |
– |
joinPool(e); |
899 |
|
} |
900 |
|
} |
901 |
|
|
903 |
|
* completed submit of runnable returns successfully |
904 |
|
*/ |
905 |
|
public void testSubmitRunnable() throws Exception { |
906 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
907 |
< |
try { |
906 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
907 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
908 |
|
Future<?> future = e.submit(new NoOpRunnable()); |
909 |
|
future.get(); |
910 |
|
assertTrue(future.isDone()); |
771 |
– |
} finally { |
772 |
– |
joinPool(e); |
911 |
|
} |
912 |
|
} |
913 |
|
|
915 |
|
* completed submit of (runnable, result) returns result |
916 |
|
*/ |
917 |
|
public void testSubmitRunnable2() throws Exception { |
918 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
919 |
< |
try { |
918 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
919 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
920 |
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
921 |
|
String result = future.get(); |
922 |
|
assertSame(TEST_STRING, result); |
785 |
– |
} finally { |
786 |
– |
joinPool(e); |
923 |
|
} |
924 |
|
} |
925 |
|
|
926 |
|
/** |
927 |
< |
* invokeAny(null) throws NPE |
927 |
> |
* invokeAny(null) throws NullPointerException |
928 |
|
*/ |
929 |
|
public void testInvokeAny1() throws Exception { |
930 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
931 |
< |
try { |
932 |
< |
e.invokeAny(null); |
933 |
< |
shouldThrow(); |
934 |
< |
} catch (NullPointerException success) { |
935 |
< |
} finally { |
800 |
< |
joinPool(e); |
930 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
931 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
932 |
> |
try { |
933 |
> |
e.invokeAny(null); |
934 |
> |
shouldThrow(); |
935 |
> |
} catch (NullPointerException success) {} |
936 |
|
} |
937 |
|
} |
938 |
|
|
939 |
|
/** |
940 |
< |
* invokeAny(empty collection) throws IAE |
940 |
> |
* invokeAny(empty collection) throws IllegalArgumentException |
941 |
|
*/ |
942 |
|
public void testInvokeAny2() throws Exception { |
943 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
944 |
< |
try { |
945 |
< |
e.invokeAny(new ArrayList<Callable<String>>()); |
946 |
< |
shouldThrow(); |
947 |
< |
} catch (IllegalArgumentException success) { |
948 |
< |
} finally { |
814 |
< |
joinPool(e); |
943 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
944 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
945 |
> |
try { |
946 |
> |
e.invokeAny(new ArrayList<Callable<String>>()); |
947 |
> |
shouldThrow(); |
948 |
> |
} catch (IllegalArgumentException success) {} |
949 |
|
} |
950 |
|
} |
951 |
|
|
952 |
|
/** |
953 |
< |
* invokeAny(c) throws NPE if c has null elements |
953 |
> |
* invokeAny(c) throws NullPointerException if c has null elements |
954 |
|
*/ |
955 |
|
public void testInvokeAny3() throws Exception { |
956 |
|
CountDownLatch latch = new CountDownLatch(1); |
957 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
958 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
959 |
< |
l.add(latchAwaitingStringTask(latch)); |
960 |
< |
l.add(null); |
961 |
< |
try { |
962 |
< |
e.invokeAny(l); |
963 |
< |
shouldThrow(); |
964 |
< |
} catch (NullPointerException success) { |
965 |
< |
} finally { |
957 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
958 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
959 |
> |
List<Callable<String>> l = new ArrayList<>(); |
960 |
> |
l.add(latchAwaitingStringTask(latch)); |
961 |
> |
l.add(null); |
962 |
> |
try { |
963 |
> |
e.invokeAny(l); |
964 |
> |
shouldThrow(); |
965 |
> |
} catch (NullPointerException success) {} |
966 |
|
latch.countDown(); |
833 |
– |
joinPool(e); |
967 |
|
} |
968 |
|
} |
969 |
|
|
971 |
|
* invokeAny(c) throws ExecutionException if no task completes |
972 |
|
*/ |
973 |
|
public void testInvokeAny4() throws Exception { |
974 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
975 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
976 |
< |
l.add(new NPETask()); |
977 |
< |
try { |
978 |
< |
e.invokeAny(l); |
979 |
< |
shouldThrow(); |
980 |
< |
} catch (ExecutionException success) { |
981 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
982 |
< |
} finally { |
983 |
< |
joinPool(e); |
974 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
975 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
976 |
> |
List<Callable<String>> l = new ArrayList<>(); |
977 |
> |
l.add(new NPETask()); |
978 |
> |
try { |
979 |
> |
e.invokeAny(l); |
980 |
> |
shouldThrow(); |
981 |
> |
} catch (ExecutionException success) { |
982 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
983 |
> |
} |
984 |
|
} |
985 |
|
} |
986 |
|
|
988 |
|
* invokeAny(c) returns result of some task |
989 |
|
*/ |
990 |
|
public void testInvokeAny5() throws Exception { |
991 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
< |
try { |
993 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
991 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
993 |
> |
List<Callable<String>> l = new ArrayList<>(); |
994 |
|
l.add(new StringTask()); |
995 |
|
l.add(new StringTask()); |
996 |
|
String result = e.invokeAny(l); |
997 |
|
assertSame(TEST_STRING, result); |
865 |
– |
} finally { |
866 |
– |
joinPool(e); |
998 |
|
} |
999 |
|
} |
1000 |
|
|
1002 |
|
* invokeAll(null) throws NPE |
1003 |
|
*/ |
1004 |
|
public void testInvokeAll1() throws Exception { |
1005 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1006 |
< |
try { |
1007 |
< |
e.invokeAll(null); |
1008 |
< |
shouldThrow(); |
1009 |
< |
} catch (NullPointerException success) { |
1010 |
< |
} finally { |
880 |
< |
joinPool(e); |
1005 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1006 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1007 |
> |
try { |
1008 |
> |
e.invokeAll(null); |
1009 |
> |
shouldThrow(); |
1010 |
> |
} catch (NullPointerException success) {} |
1011 |
|
} |
1012 |
|
} |
1013 |
|
|
1014 |
|
/** |
1015 |
< |
* invokeAll(empty collection) returns empty collection |
1015 |
> |
* invokeAll(empty collection) returns empty list |
1016 |
|
*/ |
1017 |
|
public void testInvokeAll2() throws Exception { |
1018 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1019 |
< |
try { |
1020 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
1018 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1019 |
> |
final Collection<Callable<String>> emptyCollection |
1020 |
> |
= Collections.emptyList(); |
1021 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1022 |
> |
List<Future<String>> r = e.invokeAll(emptyCollection); |
1023 |
|
assertTrue(r.isEmpty()); |
892 |
– |
} finally { |
893 |
– |
joinPool(e); |
1024 |
|
} |
1025 |
|
} |
1026 |
|
|
1028 |
|
* invokeAll(c) throws NPE if c has null elements |
1029 |
|
*/ |
1030 |
|
public void testInvokeAll3() throws Exception { |
1031 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1032 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1033 |
< |
l.add(new StringTask()); |
1034 |
< |
l.add(null); |
1035 |
< |
try { |
1036 |
< |
e.invokeAll(l); |
1037 |
< |
shouldThrow(); |
1038 |
< |
} catch (NullPointerException success) { |
1039 |
< |
} finally { |
910 |
< |
joinPool(e); |
1031 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1032 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1033 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1034 |
> |
l.add(new StringTask()); |
1035 |
> |
l.add(null); |
1036 |
> |
try { |
1037 |
> |
e.invokeAll(l); |
1038 |
> |
shouldThrow(); |
1039 |
> |
} catch (NullPointerException success) {} |
1040 |
|
} |
1041 |
|
} |
1042 |
|
|
1044 |
|
* get of invokeAll(c) throws exception on failed task |
1045 |
|
*/ |
1046 |
|
public void testInvokeAll4() throws Exception { |
1047 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1048 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1049 |
< |
l.add(new NPETask()); |
1050 |
< |
List<Future<String>> futures = e.invokeAll(l); |
1051 |
< |
assertEquals(1, futures.size()); |
1052 |
< |
try { |
1053 |
< |
futures.get(0).get(); |
1054 |
< |
shouldThrow(); |
1055 |
< |
} catch (ExecutionException success) { |
1056 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1057 |
< |
} finally { |
1058 |
< |
joinPool(e); |
1047 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1048 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1049 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1050 |
> |
l.add(new NPETask()); |
1051 |
> |
List<Future<String>> futures = e.invokeAll(l); |
1052 |
> |
assertEquals(1, futures.size()); |
1053 |
> |
try { |
1054 |
> |
futures.get(0).get(); |
1055 |
> |
shouldThrow(); |
1056 |
> |
} catch (ExecutionException success) { |
1057 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1058 |
> |
} |
1059 |
|
} |
1060 |
|
} |
1061 |
|
|
1063 |
|
* invokeAll(c) returns results of all completed tasks |
1064 |
|
*/ |
1065 |
|
public void testInvokeAll5() throws Exception { |
1066 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1067 |
< |
try { |
1068 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1066 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1067 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1068 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1069 |
|
l.add(new StringTask()); |
1070 |
|
l.add(new StringTask()); |
1071 |
|
List<Future<String>> futures = e.invokeAll(l); |
1072 |
|
assertEquals(2, futures.size()); |
1073 |
|
for (Future<String> future : futures) |
1074 |
|
assertSame(TEST_STRING, future.get()); |
946 |
– |
} finally { |
947 |
– |
joinPool(e); |
1075 |
|
} |
1076 |
|
} |
1077 |
|
|
1079 |
|
* timed invokeAny(null) throws NPE |
1080 |
|
*/ |
1081 |
|
public void testTimedInvokeAny1() throws Exception { |
1082 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1083 |
< |
try { |
1084 |
< |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1085 |
< |
shouldThrow(); |
1086 |
< |
} catch (NullPointerException success) { |
1087 |
< |
} finally { |
961 |
< |
joinPool(e); |
1082 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1083 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1084 |
> |
try { |
1085 |
> |
e.invokeAny(null, randomTimeout(), randomTimeUnit()); |
1086 |
> |
shouldThrow(); |
1087 |
> |
} catch (NullPointerException success) {} |
1088 |
|
} |
1089 |
|
} |
1090 |
|
|
1091 |
|
/** |
1092 |
< |
* timed invokeAny(,,null) throws NPE |
1092 |
> |
* timed invokeAny(,,null) throws NullPointerException |
1093 |
|
*/ |
1094 |
|
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1095 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1096 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1097 |
< |
l.add(new StringTask()); |
1098 |
< |
try { |
1099 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1100 |
< |
shouldThrow(); |
1101 |
< |
} catch (NullPointerException success) { |
1102 |
< |
} finally { |
977 |
< |
joinPool(e); |
1095 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1096 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1097 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1098 |
> |
l.add(new StringTask()); |
1099 |
> |
try { |
1100 |
> |
e.invokeAny(l, randomTimeout(), null); |
1101 |
> |
shouldThrow(); |
1102 |
> |
} catch (NullPointerException success) {} |
1103 |
|
} |
1104 |
|
} |
1105 |
|
|
1106 |
|
/** |
1107 |
< |
* timed invokeAny(empty collection) throws IAE |
1107 |
> |
* timed invokeAny(empty collection) throws IllegalArgumentException |
1108 |
|
*/ |
1109 |
|
public void testTimedInvokeAny2() throws Exception { |
1110 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1111 |
< |
try { |
1112 |
< |
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1113 |
< |
shouldThrow(); |
1114 |
< |
} catch (IllegalArgumentException success) { |
1115 |
< |
} finally { |
1116 |
< |
joinPool(e); |
1110 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1111 |
> |
final Collection<Callable<String>> emptyCollection |
1112 |
> |
= Collections.emptyList(); |
1113 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1114 |
> |
try { |
1115 |
> |
e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit()); |
1116 |
> |
shouldThrow(); |
1117 |
> |
} catch (IllegalArgumentException success) {} |
1118 |
|
} |
1119 |
|
} |
1120 |
|
|
1123 |
|
*/ |
1124 |
|
public void testTimedInvokeAny3() throws Exception { |
1125 |
|
CountDownLatch latch = new CountDownLatch(1); |
1126 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1127 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1128 |
< |
l.add(latchAwaitingStringTask(latch)); |
1129 |
< |
l.add(null); |
1130 |
< |
try { |
1131 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1132 |
< |
shouldThrow(); |
1133 |
< |
} catch (NullPointerException success) { |
1134 |
< |
} finally { |
1126 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1127 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1128 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1129 |
> |
l.add(latchAwaitingStringTask(latch)); |
1130 |
> |
l.add(null); |
1131 |
> |
try { |
1132 |
> |
e.invokeAny(l, randomTimeout(), randomTimeUnit()); |
1133 |
> |
shouldThrow(); |
1134 |
> |
} catch (NullPointerException success) {} |
1135 |
|
latch.countDown(); |
1010 |
– |
joinPool(e); |
1136 |
|
} |
1137 |
|
} |
1138 |
|
|
1140 |
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1141 |
|
*/ |
1142 |
|
public void testTimedInvokeAny4() throws Exception { |
1143 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1144 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1145 |
< |
l.add(new NPETask()); |
1146 |
< |
try { |
1147 |
< |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1148 |
< |
shouldThrow(); |
1149 |
< |
} catch (ExecutionException success) { |
1150 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1151 |
< |
} finally { |
1152 |
< |
joinPool(e); |
1143 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1144 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1145 |
> |
long startTime = System.nanoTime(); |
1146 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1147 |
> |
l.add(new NPETask()); |
1148 |
> |
try { |
1149 |
> |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1150 |
> |
shouldThrow(); |
1151 |
> |
} catch (ExecutionException success) { |
1152 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1153 |
> |
} |
1154 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1155 |
|
} |
1156 |
|
} |
1157 |
|
|
1159 |
|
* timed invokeAny(c) returns result of some task |
1160 |
|
*/ |
1161 |
|
public void testTimedInvokeAny5() throws Exception { |
1162 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1163 |
< |
try { |
1164 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1162 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1163 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1164 |
> |
long startTime = System.nanoTime(); |
1165 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1166 |
|
l.add(new StringTask()); |
1167 |
|
l.add(new StringTask()); |
1168 |
< |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1168 |
> |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1169 |
|
assertSame(TEST_STRING, result); |
1170 |
< |
} finally { |
1043 |
< |
joinPool(e); |
1170 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1171 |
|
} |
1172 |
|
} |
1173 |
|
|
1175 |
|
* timed invokeAll(null) throws NPE |
1176 |
|
*/ |
1177 |
|
public void testTimedInvokeAll1() throws Exception { |
1178 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1179 |
< |
try { |
1180 |
< |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1181 |
< |
shouldThrow(); |
1182 |
< |
} catch (NullPointerException success) { |
1183 |
< |
} finally { |
1057 |
< |
joinPool(e); |
1178 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1179 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1180 |
> |
try { |
1181 |
> |
e.invokeAll(null, randomTimeout(), randomTimeUnit()); |
1182 |
> |
shouldThrow(); |
1183 |
> |
} catch (NullPointerException success) {} |
1184 |
|
} |
1185 |
|
} |
1186 |
|
|
1188 |
|
* timed invokeAll(,,null) throws NPE |
1189 |
|
*/ |
1190 |
|
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1191 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1192 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1193 |
< |
l.add(new StringTask()); |
1194 |
< |
try { |
1195 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1196 |
< |
shouldThrow(); |
1197 |
< |
} catch (NullPointerException success) { |
1198 |
< |
} finally { |
1073 |
< |
joinPool(e); |
1191 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1192 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1193 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1194 |
> |
l.add(new StringTask()); |
1195 |
> |
try { |
1196 |
> |
e.invokeAll(l, randomTimeout(), null); |
1197 |
> |
shouldThrow(); |
1198 |
> |
} catch (NullPointerException success) {} |
1199 |
|
} |
1200 |
|
} |
1201 |
|
|
1202 |
|
/** |
1203 |
< |
* timed invokeAll(empty collection) returns empty collection |
1203 |
> |
* timed invokeAll(empty collection) returns empty list |
1204 |
|
*/ |
1205 |
|
public void testTimedInvokeAll2() throws Exception { |
1206 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1207 |
< |
try { |
1208 |
< |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1206 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1207 |
> |
final Collection<Callable<String>> emptyCollection |
1208 |
> |
= Collections.emptyList(); |
1209 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1210 |
> |
List<Future<String>> r = |
1211 |
> |
e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit()); |
1212 |
|
assertTrue(r.isEmpty()); |
1085 |
– |
} finally { |
1086 |
– |
joinPool(e); |
1213 |
|
} |
1214 |
|
} |
1215 |
|
|
1217 |
|
* timed invokeAll(c) throws NPE if c has null elements |
1218 |
|
*/ |
1219 |
|
public void testTimedInvokeAll3() throws Exception { |
1220 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1221 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1222 |
< |
l.add(new StringTask()); |
1223 |
< |
l.add(null); |
1224 |
< |
try { |
1225 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1226 |
< |
shouldThrow(); |
1227 |
< |
} catch (NullPointerException success) { |
1228 |
< |
} finally { |
1103 |
< |
joinPool(e); |
1220 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1221 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1222 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1223 |
> |
l.add(new StringTask()); |
1224 |
> |
l.add(null); |
1225 |
> |
try { |
1226 |
> |
e.invokeAll(l, randomTimeout(), randomTimeUnit()); |
1227 |
> |
shouldThrow(); |
1228 |
> |
} catch (NullPointerException success) {} |
1229 |
|
} |
1230 |
|
} |
1231 |
|
|
1233 |
|
* get of element of invokeAll(c) throws exception on failed task |
1234 |
|
*/ |
1235 |
|
public void testTimedInvokeAll4() throws Exception { |
1236 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1237 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1238 |
< |
l.add(new NPETask()); |
1239 |
< |
List<Future<String>> futures = |
1240 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1241 |
< |
assertEquals(1, futures.size()); |
1242 |
< |
try { |
1243 |
< |
futures.get(0).get(); |
1244 |
< |
shouldThrow(); |
1245 |
< |
} catch (ExecutionException success) { |
1246 |
< |
assertTrue(success.getCause() instanceof NullPointerException); |
1247 |
< |
} finally { |
1248 |
< |
joinPool(e); |
1236 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1237 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1238 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1239 |
> |
l.add(new NPETask()); |
1240 |
> |
List<Future<String>> futures = |
1241 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1242 |
> |
assertEquals(1, futures.size()); |
1243 |
> |
try { |
1244 |
> |
futures.get(0).get(); |
1245 |
> |
shouldThrow(); |
1246 |
> |
} catch (ExecutionException success) { |
1247 |
> |
assertTrue(success.getCause() instanceof NullPointerException); |
1248 |
> |
} |
1249 |
|
} |
1250 |
|
} |
1251 |
|
|
1253 |
|
* timed invokeAll(c) returns results of all completed tasks |
1254 |
|
*/ |
1255 |
|
public void testTimedInvokeAll5() throws Exception { |
1256 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1257 |
< |
try { |
1258 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1256 |
> |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1257 |
> |
try (PoolCleaner cleaner = cleaner(e)) { |
1258 |
> |
List<Callable<String>> l = new ArrayList<>(); |
1259 |
|
l.add(new StringTask()); |
1260 |
|
l.add(new StringTask()); |
1261 |
|
List<Future<String>> futures = |
1262 |
< |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1262 |
> |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1263 |
|
assertEquals(2, futures.size()); |
1264 |
|
for (Future<String> future : futures) |
1265 |
|
assertSame(TEST_STRING, future.get()); |
1141 |
– |
} finally { |
1142 |
– |
joinPool(e); |
1266 |
|
} |
1267 |
|
} |
1268 |
|
|
1270 |
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1271 |
|
*/ |
1272 |
|
public void testTimedInvokeAll6() throws Exception { |
1273 |
< |
ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1274 |
< |
try { |
1275 |
< |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
1276 |
< |
l.add(new StringTask()); |
1277 |
< |
l.add(Executors.callable(new MediumPossiblyInterruptedRunnable(), TEST_STRING)); |
1278 |
< |
l.add(new StringTask()); |
1279 |
< |
List<Future<String>> futures = |
1280 |
< |
e.invokeAll(l, SHORT_DELAY_MS, MILLISECONDS); |
1281 |
< |
assertEquals(3, futures.size()); |
1282 |
< |
Iterator<Future<String>> it = futures.iterator(); |
1283 |
< |
Future<String> f1 = it.next(); |
1284 |
< |
Future<String> f2 = it.next(); |
1285 |
< |
Future<String> f3 = it.next(); |
1286 |
< |
assertTrue(f1.isDone()); |
1287 |
< |
assertTrue(f2.isDone()); |
1288 |
< |
assertTrue(f3.isDone()); |
1289 |
< |
assertFalse(f1.isCancelled()); |
1290 |
< |
assertTrue(f2.isCancelled()); |
1291 |
< |
} finally { |
1292 |
< |
joinPool(e); |
1273 |
> |
for (long timeout = timeoutMillis();;) { |
1274 |
> |
final CountDownLatch done = new CountDownLatch(1); |
1275 |
> |
final Callable<String> waiter = new CheckedCallable<String>() { |
1276 |
> |
public String realCall() { |
1277 |
> |
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1278 |
> |
catch (InterruptedException ok) {} |
1279 |
> |
return "1"; }}; |
1280 |
> |
final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
1281 |
> |
try (PoolCleaner cleaner = cleaner(p, done)) { |
1282 |
> |
List<Callable<String>> tasks = new ArrayList<>(); |
1283 |
> |
tasks.add(new StringTask("0")); |
1284 |
> |
tasks.add(waiter); |
1285 |
> |
tasks.add(new StringTask("2")); |
1286 |
> |
long startTime = System.nanoTime(); |
1287 |
> |
List<Future<String>> futures = |
1288 |
> |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1289 |
> |
assertEquals(tasks.size(), futures.size()); |
1290 |
> |
assertTrue(millisElapsedSince(startTime) >= timeout); |
1291 |
> |
for (Future future : futures) |
1292 |
> |
assertTrue(future.isDone()); |
1293 |
> |
assertTrue(futures.get(1).isCancelled()); |
1294 |
> |
try { |
1295 |
> |
assertEquals("0", futures.get(0).get()); |
1296 |
> |
assertEquals("2", futures.get(2).get()); |
1297 |
> |
break; |
1298 |
> |
} catch (CancellationException retryWithLongerTimeout) { |
1299 |
> |
timeout *= 2; |
1300 |
> |
if (timeout >= LONG_DELAY_MS / 2) |
1301 |
> |
fail("expected exactly one task to be cancelled"); |
1302 |
> |
} |
1303 |
> |
} |
1304 |
> |
} |
1305 |
> |
} |
1306 |
> |
|
1307 |
> |
/** |
1308 |
> |
* A fixed delay task with overflowing period should not prevent a |
1309 |
> |
* one-shot task from executing. |
1310 |
> |
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1311 |
> |
*/ |
1312 |
> |
@SuppressWarnings("FutureReturnValueIgnored") |
1313 |
> |
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1314 |
> |
final CountDownLatch delayedDone = new CountDownLatch(1); |
1315 |
> |
final CountDownLatch immediateDone = new CountDownLatch(1); |
1316 |
> |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1317 |
> |
try (PoolCleaner cleaner = cleaner(p)) { |
1318 |
> |
final Runnable delayed = () -> { |
1319 |
> |
delayedDone.countDown(); |
1320 |
> |
p.submit(() -> immediateDone.countDown()); |
1321 |
> |
}; |
1322 |
> |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1323 |
> |
await(delayedDone); |
1324 |
> |
await(immediateDone); |
1325 |
|
} |
1326 |
|
} |
1327 |
|
|