1 |
dl |
1.1 |
/* |
2 |
dl |
1.13 |
* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
|
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* Expert Group and released to the public domain, as explained at |
4 |
jsr166 |
1.37 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
jsr166 |
1.22 |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
|
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* Pat Fisher, Mike Judd. |
7 |
dl |
1.1 |
*/ |
8 |
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|
9 |
jsr166 |
1.25 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
10 |
jsr166 |
1.80 |
import static java.util.concurrent.TimeUnit.NANOSECONDS; |
11 |
jsr166 |
1.54 |
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
jsr166 |
1.50 |
|
13 |
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import java.util.ArrayList; |
14 |
jsr166 |
1.54 |
import java.util.HashSet; |
15 |
jsr166 |
1.50 |
import java.util.List; |
16 |
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import java.util.concurrent.BlockingQueue; |
17 |
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import java.util.concurrent.Callable; |
18 |
jsr166 |
1.52 |
import java.util.concurrent.CancellationException; |
19 |
jsr166 |
1.50 |
import java.util.concurrent.CountDownLatch; |
20 |
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import java.util.concurrent.ExecutionException; |
21 |
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import java.util.concurrent.ExecutorService; |
22 |
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import java.util.concurrent.Future; |
23 |
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import java.util.concurrent.RejectedExecutionException; |
24 |
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import java.util.concurrent.ScheduledFuture; |
25 |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
26 |
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import java.util.concurrent.ThreadFactory; |
27 |
jsr166 |
1.88 |
import java.util.concurrent.ThreadLocalRandom; |
28 |
jsr166 |
1.50 |
import java.util.concurrent.ThreadPoolExecutor; |
29 |
jsr166 |
1.80 |
import java.util.concurrent.atomic.AtomicBoolean; |
30 |
jsr166 |
1.46 |
import java.util.concurrent.atomic.AtomicInteger; |
31 |
jsr166 |
1.80 |
import java.util.concurrent.atomic.AtomicLong; |
32 |
dl |
1.1 |
|
33 |
jsr166 |
1.50 |
import junit.framework.Test; |
34 |
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import junit.framework.TestSuite; |
35 |
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36 |
dl |
1.4 |
public class ScheduledExecutorTest extends JSR166TestCase { |
37 |
dl |
1.1 |
public static void main(String[] args) { |
38 |
jsr166 |
1.51 |
main(suite(), args); |
39 |
dl |
1.1 |
} |
40 |
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public static Test suite() { |
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jsr166 |
1.26 |
return new TestSuite(ScheduledExecutorTest.class); |
42 |
dl |
1.1 |
} |
43 |
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|
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dl |
1.5 |
/** |
45 |
dl |
1.6 |
* execute successfully executes a runnable |
46 |
dl |
1.5 |
*/ |
47 |
jsr166 |
1.25 |
public void testExecute() throws InterruptedException { |
48 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
50 |
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final CountDownLatch done = new CountDownLatch(1); |
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final Runnable task = new CheckedRunnable() { |
52 |
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public void realRun() { done.countDown(); }}; |
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jsr166 |
1.33 |
p.execute(task); |
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jsr166 |
1.86 |
await(done); |
55 |
jsr166 |
1.33 |
} |
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dl |
1.1 |
} |
57 |
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|
58 |
dl |
1.5 |
/** |
59 |
dl |
1.6 |
* delayed schedule of callable successfully executes after delay |
60 |
dl |
1.5 |
*/ |
61 |
jsr166 |
1.25 |
public void testSchedule1() throws Exception { |
62 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
63 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
64 |
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final long startTime = System.nanoTime(); |
65 |
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final CountDownLatch done = new CountDownLatch(1); |
66 |
jsr166 |
1.33 |
Callable task = new CheckedCallable<Boolean>() { |
67 |
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public Boolean realCall() { |
68 |
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done.countDown(); |
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jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.33 |
return Boolean.TRUE; |
71 |
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}}; |
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jsr166 |
1.44 |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
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assertSame(Boolean.TRUE, f.get()); |
74 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.33 |
assertTrue(done.await(0L, MILLISECONDS)); |
76 |
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} |
77 |
dl |
1.1 |
} |
78 |
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79 |
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/** |
80 |
jsr166 |
1.32 |
* delayed schedule of runnable successfully executes after delay |
81 |
dl |
1.1 |
*/ |
82 |
jsr166 |
1.33 |
public void testSchedule3() throws Exception { |
83 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
84 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
85 |
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final long startTime = System.nanoTime(); |
86 |
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final CountDownLatch done = new CountDownLatch(1); |
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jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
88 |
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public void realRun() { |
89 |
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done.countDown(); |
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jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.33 |
}}; |
92 |
jsr166 |
1.44 |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
93 |
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await(done); |
94 |
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assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
95 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
96 |
jsr166 |
1.33 |
} |
97 |
dl |
1.1 |
} |
98 |
jsr166 |
1.22 |
|
99 |
dl |
1.1 |
/** |
100 |
dl |
1.6 |
* scheduleAtFixedRate executes runnable after given initial delay |
101 |
dl |
1.1 |
*/ |
102 |
jsr166 |
1.33 |
public void testSchedule4() throws Exception { |
103 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
104 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
105 |
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final long startTime = System.nanoTime(); |
106 |
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final CountDownLatch done = new CountDownLatch(1); |
107 |
jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
108 |
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public void realRun() { |
109 |
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done.countDown(); |
110 |
jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
111 |
jsr166 |
1.33 |
}}; |
112 |
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ScheduledFuture f = |
113 |
jsr166 |
1.44 |
p.scheduleAtFixedRate(task, timeoutMillis(), |
114 |
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LONG_DELAY_MS, MILLISECONDS); |
115 |
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await(done); |
116 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
117 |
jsr166 |
1.33 |
f.cancel(true); |
118 |
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} |
119 |
dl |
1.18 |
} |
120 |
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|
121 |
dl |
1.6 |
/** |
122 |
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* scheduleWithFixedDelay executes runnable after given initial delay |
123 |
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*/ |
124 |
jsr166 |
1.44 |
public void testSchedule5() throws Exception { |
125 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
126 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
127 |
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final long startTime = System.nanoTime(); |
128 |
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final CountDownLatch done = new CountDownLatch(1); |
129 |
jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
130 |
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public void realRun() { |
131 |
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done.countDown(); |
132 |
jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
133 |
jsr166 |
1.33 |
}}; |
134 |
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ScheduledFuture f = |
135 |
jsr166 |
1.44 |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
136 |
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LONG_DELAY_MS, MILLISECONDS); |
137 |
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await(done); |
138 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
139 |
jsr166 |
1.33 |
f.cancel(true); |
140 |
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} |
141 |
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} |
142 |
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143 |
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static class RunnableCounter implements Runnable { |
144 |
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AtomicInteger count = new AtomicInteger(0); |
145 |
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public void run() { count.getAndIncrement(); } |
146 |
dl |
1.1 |
} |
147 |
jsr166 |
1.22 |
|
148 |
dl |
1.6 |
/** |
149 |
jsr166 |
1.80 |
* scheduleAtFixedRate executes series of tasks at given rate. |
150 |
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* Eventually, it must hold that: |
151 |
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* cycles - 1 <= elapsedMillis/delay < cycles |
152 |
dl |
1.18 |
*/ |
153 |
jsr166 |
1.25 |
public void testFixedRateSequence() throws InterruptedException { |
154 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
155 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
156 |
jsr166 |
1.47 |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
157 |
jsr166 |
1.80 |
final long startTime = System.nanoTime(); |
158 |
|
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final int cycles = 8; |
159 |
jsr166 |
1.47 |
final CountDownLatch done = new CountDownLatch(cycles); |
160 |
jsr166 |
1.80 |
final Runnable task = new CheckedRunnable() { |
161 |
jsr166 |
1.47 |
public void realRun() { done.countDown(); }}; |
162 |
jsr166 |
1.80 |
final ScheduledFuture periodicTask = |
163 |
jsr166 |
1.47 |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
164 |
jsr166 |
1.80 |
final int totalDelayMillis = (cycles - 1) * delay; |
165 |
|
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await(done, totalDelayMillis + LONG_DELAY_MS); |
166 |
jsr166 |
1.79 |
periodicTask.cancel(true); |
167 |
jsr166 |
1.80 |
final long elapsedMillis = millisElapsedSince(startTime); |
168 |
|
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assertTrue(elapsedMillis >= totalDelayMillis); |
169 |
|
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if (elapsedMillis <= cycles * delay) |
170 |
jsr166 |
1.47 |
return; |
171 |
jsr166 |
1.80 |
// else retry with longer delay |
172 |
jsr166 |
1.47 |
} |
173 |
jsr166 |
1.78 |
fail("unexpected execution rate"); |
174 |
jsr166 |
1.47 |
} |
175 |
dl |
1.18 |
} |
176 |
|
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|
177 |
|
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/** |
178 |
jsr166 |
1.80 |
* scheduleWithFixedDelay executes series of tasks with given period. |
179 |
|
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* Eventually, it must hold that each task starts at least delay and at |
180 |
|
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* most 2 * delay after the termination of the previous task. |
181 |
dl |
1.18 |
*/ |
182 |
jsr166 |
1.25 |
public void testFixedDelaySequence() throws InterruptedException { |
183 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
184 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
185 |
jsr166 |
1.47 |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
186 |
jsr166 |
1.80 |
final long startTime = System.nanoTime(); |
187 |
|
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final AtomicLong previous = new AtomicLong(startTime); |
188 |
|
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final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
189 |
|
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final int cycles = 8; |
190 |
jsr166 |
1.47 |
final CountDownLatch done = new CountDownLatch(cycles); |
191 |
jsr166 |
1.80 |
final int d = delay; |
192 |
|
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final Runnable task = new CheckedRunnable() { |
193 |
|
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public void realRun() { |
194 |
|
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long now = System.nanoTime(); |
195 |
|
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long elapsedMillis |
196 |
|
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= NANOSECONDS.toMillis(now - previous.get()); |
197 |
|
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if (done.getCount() == cycles) { // first execution |
198 |
|
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if (elapsedMillis >= d) |
199 |
|
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tryLongerDelay.set(true); |
200 |
|
|
} else { |
201 |
|
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assertTrue(elapsedMillis >= d); |
202 |
|
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if (elapsedMillis >= 2 * d) |
203 |
|
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tryLongerDelay.set(true); |
204 |
|
|
} |
205 |
|
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previous.set(now); |
206 |
|
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done.countDown(); |
207 |
|
|
}}; |
208 |
|
|
final ScheduledFuture periodicTask = |
209 |
jsr166 |
1.47 |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
210 |
jsr166 |
1.80 |
final int totalDelayMillis = (cycles - 1) * delay; |
211 |
|
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await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
212 |
jsr166 |
1.79 |
periodicTask.cancel(true); |
213 |
jsr166 |
1.80 |
final long elapsedMillis = millisElapsedSince(startTime); |
214 |
|
|
assertTrue(elapsedMillis >= totalDelayMillis); |
215 |
|
|
if (!tryLongerDelay.get()) |
216 |
jsr166 |
1.47 |
return; |
217 |
jsr166 |
1.80 |
// else retry with longer delay |
218 |
jsr166 |
1.47 |
} |
219 |
jsr166 |
1.78 |
fail("unexpected execution rate"); |
220 |
jsr166 |
1.47 |
} |
221 |
dl |
1.18 |
} |
222 |
|
|
|
223 |
|
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/** |
224 |
jsr166 |
1.32 |
* execute(null) throws NPE |
225 |
dl |
1.6 |
*/ |
226 |
jsr166 |
1.25 |
public void testExecuteNull() throws InterruptedException { |
227 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
228 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
229 |
|
|
try { |
230 |
|
|
p.execute(null); |
231 |
|
|
shouldThrow(); |
232 |
|
|
} catch (NullPointerException success) {} |
233 |
|
|
} |
234 |
dl |
1.6 |
} |
235 |
|
|
|
236 |
|
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/** |
237 |
jsr166 |
1.30 |
* schedule(null) throws NPE |
238 |
dl |
1.6 |
*/ |
239 |
jsr166 |
1.25 |
public void testScheduleNull() throws InterruptedException { |
240 |
jsr166 |
1.62 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
241 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
242 |
|
|
try { |
243 |
|
|
TrackedCallable callable = null; |
244 |
|
|
Future f = p.schedule(callable, SHORT_DELAY_MS, MILLISECONDS); |
245 |
|
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shouldThrow(); |
246 |
|
|
} catch (NullPointerException success) {} |
247 |
|
|
} |
248 |
dl |
1.6 |
} |
249 |
jsr166 |
1.22 |
|
250 |
dl |
1.1 |
/** |
251 |
dl |
1.6 |
* execute throws RejectedExecutionException if shutdown |
252 |
dl |
1.1 |
*/ |
253 |
jsr166 |
1.25 |
public void testSchedule1_RejectedExecutionException() throws InterruptedException { |
254 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
255 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
256 |
|
|
try { |
257 |
|
|
p.shutdown(); |
258 |
|
|
p.schedule(new NoOpRunnable(), |
259 |
|
|
MEDIUM_DELAY_MS, MILLISECONDS); |
260 |
|
|
shouldThrow(); |
261 |
|
|
} catch (RejectedExecutionException success) { |
262 |
|
|
} catch (SecurityException ok) {} |
263 |
dl |
1.4 |
} |
264 |
dl |
1.1 |
} |
265 |
|
|
|
266 |
|
|
/** |
267 |
dl |
1.6 |
* schedule throws RejectedExecutionException if shutdown |
268 |
dl |
1.1 |
*/ |
269 |
jsr166 |
1.25 |
public void testSchedule2_RejectedExecutionException() throws InterruptedException { |
270 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
271 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
272 |
|
|
try { |
273 |
|
|
p.shutdown(); |
274 |
|
|
p.schedule(new NoOpCallable(), |
275 |
|
|
MEDIUM_DELAY_MS, MILLISECONDS); |
276 |
|
|
shouldThrow(); |
277 |
|
|
} catch (RejectedExecutionException success) { |
278 |
|
|
} catch (SecurityException ok) {} |
279 |
dl |
1.4 |
} |
280 |
dl |
1.1 |
} |
281 |
|
|
|
282 |
|
|
/** |
283 |
dl |
1.6 |
* schedule callable throws RejectedExecutionException if shutdown |
284 |
dl |
1.1 |
*/ |
285 |
jsr166 |
1.38 |
public void testSchedule3_RejectedExecutionException() throws InterruptedException { |
286 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
287 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
288 |
|
|
try { |
289 |
|
|
p.shutdown(); |
290 |
|
|
p.schedule(new NoOpCallable(), |
291 |
|
|
MEDIUM_DELAY_MS, MILLISECONDS); |
292 |
|
|
shouldThrow(); |
293 |
|
|
} catch (RejectedExecutionException success) { |
294 |
|
|
} catch (SecurityException ok) {} |
295 |
dl |
1.17 |
} |
296 |
dl |
1.1 |
} |
297 |
|
|
|
298 |
|
|
/** |
299 |
jsr166 |
1.32 |
* scheduleAtFixedRate throws RejectedExecutionException if shutdown |
300 |
dl |
1.1 |
*/ |
301 |
jsr166 |
1.25 |
public void testScheduleAtFixedRate1_RejectedExecutionException() throws InterruptedException { |
302 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
303 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
304 |
|
|
try { |
305 |
|
|
p.shutdown(); |
306 |
|
|
p.scheduleAtFixedRate(new NoOpRunnable(), |
307 |
|
|
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
308 |
|
|
shouldThrow(); |
309 |
|
|
} catch (RejectedExecutionException success) { |
310 |
|
|
} catch (SecurityException ok) {} |
311 |
jsr166 |
1.22 |
} |
312 |
dl |
1.1 |
} |
313 |
jsr166 |
1.22 |
|
314 |
dl |
1.1 |
/** |
315 |
dl |
1.6 |
* scheduleWithFixedDelay throws RejectedExecutionException if shutdown |
316 |
dl |
1.1 |
*/ |
317 |
jsr166 |
1.25 |
public void testScheduleWithFixedDelay1_RejectedExecutionException() throws InterruptedException { |
318 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
319 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
320 |
|
|
try { |
321 |
|
|
p.shutdown(); |
322 |
|
|
p.scheduleWithFixedDelay(new NoOpRunnable(), |
323 |
|
|
MEDIUM_DELAY_MS, MEDIUM_DELAY_MS, MILLISECONDS); |
324 |
|
|
shouldThrow(); |
325 |
|
|
} catch (RejectedExecutionException success) { |
326 |
|
|
} catch (SecurityException ok) {} |
327 |
jsr166 |
1.22 |
} |
328 |
dl |
1.1 |
} |
329 |
|
|
|
330 |
|
|
/** |
331 |
jsr166 |
1.32 |
* getActiveCount increases but doesn't overestimate, when a |
332 |
|
|
* thread becomes active |
333 |
dl |
1.2 |
*/ |
334 |
jsr166 |
1.25 |
public void testGetActiveCount() throws InterruptedException { |
335 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
336 |
jsr166 |
1.33 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
337 |
jsr166 |
1.73 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
338 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
339 |
jsr166 |
1.33 |
assertEquals(0, p.getActiveCount()); |
340 |
|
|
p.execute(new CheckedRunnable() { |
341 |
|
|
public void realRun() throws InterruptedException { |
342 |
|
|
threadStarted.countDown(); |
343 |
|
|
assertEquals(1, p.getActiveCount()); |
344 |
jsr166 |
1.70 |
await(done); |
345 |
jsr166 |
1.33 |
}}); |
346 |
jsr166 |
1.72 |
await(threadStarted); |
347 |
jsr166 |
1.33 |
assertEquals(1, p.getActiveCount()); |
348 |
|
|
} |
349 |
dl |
1.2 |
} |
350 |
jsr166 |
1.22 |
|
351 |
dl |
1.2 |
/** |
352 |
jsr166 |
1.32 |
* getCompletedTaskCount increases, but doesn't overestimate, |
353 |
|
|
* when tasks complete |
354 |
dl |
1.2 |
*/ |
355 |
jsr166 |
1.25 |
public void testGetCompletedTaskCount() throws InterruptedException { |
356 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
357 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
358 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
359 |
|
|
final CountDownLatch threadProceed = new CountDownLatch(1); |
360 |
|
|
final CountDownLatch threadDone = new CountDownLatch(1); |
361 |
jsr166 |
1.33 |
assertEquals(0, p.getCompletedTaskCount()); |
362 |
|
|
p.execute(new CheckedRunnable() { |
363 |
|
|
public void realRun() throws InterruptedException { |
364 |
|
|
threadStarted.countDown(); |
365 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
366 |
jsr166 |
1.86 |
await(threadProceed); |
367 |
jsr166 |
1.33 |
threadDone.countDown(); |
368 |
|
|
}}); |
369 |
jsr166 |
1.45 |
await(threadStarted); |
370 |
jsr166 |
1.33 |
assertEquals(0, p.getCompletedTaskCount()); |
371 |
|
|
threadProceed.countDown(); |
372 |
jsr166 |
1.86 |
await(threadDone); |
373 |
jsr166 |
1.44 |
long startTime = System.nanoTime(); |
374 |
|
|
while (p.getCompletedTaskCount() != 1) { |
375 |
|
|
if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
376 |
|
|
fail("timed out"); |
377 |
|
|
Thread.yield(); |
378 |
|
|
} |
379 |
jsr166 |
1.33 |
} |
380 |
dl |
1.2 |
} |
381 |
jsr166 |
1.22 |
|
382 |
dl |
1.2 |
/** |
383 |
jsr166 |
1.32 |
* getCorePoolSize returns size given in constructor if not otherwise set |
384 |
dl |
1.2 |
*/ |
385 |
jsr166 |
1.25 |
public void testGetCorePoolSize() throws InterruptedException { |
386 |
jsr166 |
1.33 |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
387 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
388 |
|
|
assertEquals(1, p.getCorePoolSize()); |
389 |
|
|
} |
390 |
dl |
1.2 |
} |
391 |
jsr166 |
1.22 |
|
392 |
dl |
1.2 |
/** |
393 |
jsr166 |
1.32 |
* getLargestPoolSize increases, but doesn't overestimate, when |
394 |
|
|
* multiple threads active |
395 |
dl |
1.2 |
*/ |
396 |
jsr166 |
1.25 |
public void testGetLargestPoolSize() throws InterruptedException { |
397 |
jsr166 |
1.33 |
final int THREADS = 3; |
398 |
|
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
399 |
|
|
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
400 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
401 |
jsr166 |
1.71 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
402 |
jsr166 |
1.33 |
assertEquals(0, p.getLargestPoolSize()); |
403 |
|
|
for (int i = 0; i < THREADS; i++) |
404 |
|
|
p.execute(new CheckedRunnable() { |
405 |
|
|
public void realRun() throws InterruptedException { |
406 |
|
|
threadsStarted.countDown(); |
407 |
jsr166 |
1.70 |
await(done); |
408 |
jsr166 |
1.33 |
assertEquals(THREADS, p.getLargestPoolSize()); |
409 |
|
|
}}); |
410 |
jsr166 |
1.71 |
await(threadsStarted); |
411 |
jsr166 |
1.33 |
assertEquals(THREADS, p.getLargestPoolSize()); |
412 |
|
|
} |
413 |
jsr166 |
1.62 |
assertEquals(THREADS, p.getLargestPoolSize()); |
414 |
dl |
1.2 |
} |
415 |
jsr166 |
1.22 |
|
416 |
dl |
1.2 |
/** |
417 |
jsr166 |
1.32 |
* getPoolSize increases, but doesn't overestimate, when threads |
418 |
|
|
* become active |
419 |
dl |
1.2 |
*/ |
420 |
jsr166 |
1.25 |
public void testGetPoolSize() throws InterruptedException { |
421 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
422 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
423 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
424 |
jsr166 |
1.71 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
425 |
jsr166 |
1.33 |
assertEquals(0, p.getPoolSize()); |
426 |
|
|
p.execute(new CheckedRunnable() { |
427 |
|
|
public void realRun() throws InterruptedException { |
428 |
|
|
threadStarted.countDown(); |
429 |
|
|
assertEquals(1, p.getPoolSize()); |
430 |
jsr166 |
1.70 |
await(done); |
431 |
jsr166 |
1.33 |
}}); |
432 |
jsr166 |
1.71 |
await(threadStarted); |
433 |
jsr166 |
1.33 |
assertEquals(1, p.getPoolSize()); |
434 |
|
|
} |
435 |
dl |
1.2 |
} |
436 |
jsr166 |
1.22 |
|
437 |
dl |
1.2 |
/** |
438 |
jsr166 |
1.32 |
* getTaskCount increases, but doesn't overestimate, when tasks |
439 |
|
|
* submitted |
440 |
dl |
1.2 |
*/ |
441 |
jsr166 |
1.25 |
public void testGetTaskCount() throws InterruptedException { |
442 |
jsr166 |
1.65 |
final int TASKS = 3; |
443 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
444 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
445 |
jsr166 |
1.65 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
446 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
447 |
jsr166 |
1.33 |
assertEquals(0, p.getTaskCount()); |
448 |
jsr166 |
1.65 |
assertEquals(0, p.getCompletedTaskCount()); |
449 |
|
|
p.execute(new CheckedRunnable() { |
450 |
|
|
public void realRun() throws InterruptedException { |
451 |
|
|
threadStarted.countDown(); |
452 |
jsr166 |
1.70 |
await(done); |
453 |
jsr166 |
1.65 |
}}); |
454 |
jsr166 |
1.72 |
await(threadStarted); |
455 |
jsr166 |
1.65 |
assertEquals(1, p.getTaskCount()); |
456 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
457 |
|
|
for (int i = 0; i < TASKS; i++) { |
458 |
|
|
assertEquals(1 + i, p.getTaskCount()); |
459 |
jsr166 |
1.33 |
p.execute(new CheckedRunnable() { |
460 |
|
|
public void realRun() throws InterruptedException { |
461 |
|
|
threadStarted.countDown(); |
462 |
jsr166 |
1.65 |
assertEquals(1 + TASKS, p.getTaskCount()); |
463 |
jsr166 |
1.70 |
await(done); |
464 |
jsr166 |
1.33 |
}}); |
465 |
jsr166 |
1.65 |
} |
466 |
|
|
assertEquals(1 + TASKS, p.getTaskCount()); |
467 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
468 |
jsr166 |
1.33 |
} |
469 |
jsr166 |
1.65 |
assertEquals(1 + TASKS, p.getTaskCount()); |
470 |
|
|
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
471 |
dl |
1.2 |
} |
472 |
dl |
1.8 |
|
473 |
jsr166 |
1.22 |
/** |
474 |
dl |
1.8 |
* getThreadFactory returns factory in constructor if not set |
475 |
|
|
*/ |
476 |
jsr166 |
1.25 |
public void testGetThreadFactory() throws InterruptedException { |
477 |
jsr166 |
1.63 |
final ThreadFactory threadFactory = new SimpleThreadFactory(); |
478 |
|
|
final ScheduledThreadPoolExecutor p = |
479 |
|
|
new ScheduledThreadPoolExecutor(1, threadFactory); |
480 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
481 |
|
|
assertSame(threadFactory, p.getThreadFactory()); |
482 |
|
|
} |
483 |
dl |
1.8 |
} |
484 |
|
|
|
485 |
jsr166 |
1.22 |
/** |
486 |
dl |
1.8 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
487 |
|
|
*/ |
488 |
jsr166 |
1.25 |
public void testSetThreadFactory() throws InterruptedException { |
489 |
jsr166 |
1.62 |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
490 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
491 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
492 |
|
|
p.setThreadFactory(threadFactory); |
493 |
|
|
assertSame(threadFactory, p.getThreadFactory()); |
494 |
|
|
} |
495 |
dl |
1.8 |
} |
496 |
|
|
|
497 |
jsr166 |
1.22 |
/** |
498 |
dl |
1.8 |
* setThreadFactory(null) throws NPE |
499 |
|
|
*/ |
500 |
jsr166 |
1.25 |
public void testSetThreadFactoryNull() throws InterruptedException { |
501 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
502 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
503 |
|
|
try { |
504 |
|
|
p.setThreadFactory(null); |
505 |
|
|
shouldThrow(); |
506 |
|
|
} catch (NullPointerException success) {} |
507 |
dl |
1.8 |
} |
508 |
|
|
} |
509 |
jsr166 |
1.22 |
|
510 |
dl |
1.2 |
/** |
511 |
jsr166 |
1.85 |
* The default rejected execution handler is AbortPolicy. |
512 |
|
|
*/ |
513 |
|
|
public void testDefaultRejectedExecutionHandler() { |
514 |
|
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
515 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
516 |
|
|
assertTrue(p.getRejectedExecutionHandler() |
517 |
|
|
instanceof ThreadPoolExecutor.AbortPolicy); |
518 |
|
|
} |
519 |
|
|
} |
520 |
|
|
|
521 |
|
|
/** |
522 |
jsr166 |
1.41 |
* isShutdown is false before shutdown, true after |
523 |
dl |
1.2 |
*/ |
524 |
dl |
1.5 |
public void testIsShutdown() { |
525 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
526 |
jsr166 |
1.82 |
assertFalse(p.isShutdown()); |
527 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
528 |
|
|
try { |
529 |
|
|
p.shutdown(); |
530 |
|
|
assertTrue(p.isShutdown()); |
531 |
|
|
} catch (SecurityException ok) {} |
532 |
dl |
1.2 |
} |
533 |
|
|
} |
534 |
|
|
|
535 |
|
|
/** |
536 |
jsr166 |
1.32 |
* isTerminated is false before termination, true after |
537 |
dl |
1.2 |
*/ |
538 |
jsr166 |
1.25 |
public void testIsTerminated() throws InterruptedException { |
539 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
540 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
541 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
542 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
543 |
|
|
assertFalse(p.isTerminated()); |
544 |
jsr166 |
1.33 |
p.execute(new CheckedRunnable() { |
545 |
|
|
public void realRun() throws InterruptedException { |
546 |
jsr166 |
1.36 |
assertFalse(p.isTerminated()); |
547 |
jsr166 |
1.33 |
threadStarted.countDown(); |
548 |
jsr166 |
1.70 |
await(done); |
549 |
jsr166 |
1.33 |
}}); |
550 |
jsr166 |
1.72 |
await(threadStarted); |
551 |
jsr166 |
1.36 |
assertFalse(p.isTerminating()); |
552 |
jsr166 |
1.33 |
done.countDown(); |
553 |
|
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
554 |
jsr166 |
1.62 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
555 |
|
|
assertTrue(p.isTerminated()); |
556 |
dl |
1.2 |
} |
557 |
dl |
1.5 |
} |
558 |
|
|
|
559 |
|
|
/** |
560 |
jsr166 |
1.32 |
* isTerminating is not true when running or when terminated |
561 |
dl |
1.5 |
*/ |
562 |
jsr166 |
1.25 |
public void testIsTerminating() throws InterruptedException { |
563 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
564 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
565 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
566 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
567 |
jsr166 |
1.33 |
assertFalse(p.isTerminating()); |
568 |
|
|
p.execute(new CheckedRunnable() { |
569 |
|
|
public void realRun() throws InterruptedException { |
570 |
jsr166 |
1.35 |
assertFalse(p.isTerminating()); |
571 |
jsr166 |
1.33 |
threadStarted.countDown(); |
572 |
jsr166 |
1.70 |
await(done); |
573 |
jsr166 |
1.33 |
}}); |
574 |
jsr166 |
1.72 |
await(threadStarted); |
575 |
jsr166 |
1.33 |
assertFalse(p.isTerminating()); |
576 |
|
|
done.countDown(); |
577 |
|
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
578 |
jsr166 |
1.62 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
579 |
|
|
assertTrue(p.isTerminated()); |
580 |
|
|
assertFalse(p.isTerminating()); |
581 |
jsr166 |
1.33 |
} |
582 |
dl |
1.2 |
} |
583 |
|
|
|
584 |
|
|
/** |
585 |
dl |
1.8 |
* getQueue returns the work queue, which contains queued tasks |
586 |
|
|
*/ |
587 |
jsr166 |
1.25 |
public void testGetQueue() throws InterruptedException { |
588 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
589 |
|
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
590 |
|
|
try (PoolCleaner cleaner = cleaner(p, done)) { |
591 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
592 |
jsr166 |
1.33 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
593 |
|
|
for (int i = 0; i < tasks.length; i++) { |
594 |
|
|
Runnable r = new CheckedRunnable() { |
595 |
|
|
public void realRun() throws InterruptedException { |
596 |
|
|
threadStarted.countDown(); |
597 |
jsr166 |
1.70 |
await(done); |
598 |
jsr166 |
1.33 |
}}; |
599 |
|
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
600 |
|
|
} |
601 |
jsr166 |
1.72 |
await(threadStarted); |
602 |
jsr166 |
1.33 |
BlockingQueue<Runnable> q = p.getQueue(); |
603 |
|
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
604 |
dl |
1.8 |
assertFalse(q.contains(tasks[0])); |
605 |
|
|
} |
606 |
|
|
} |
607 |
|
|
|
608 |
|
|
/** |
609 |
|
|
* remove(task) removes queued task, and fails to remove active task |
610 |
|
|
*/ |
611 |
jsr166 |
1.25 |
public void testRemove() throws InterruptedException { |
612 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
613 |
jsr166 |
1.33 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
614 |
jsr166 |
1.73 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
615 |
jsr166 |
1.62 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
616 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
617 |
jsr166 |
1.33 |
for (int i = 0; i < tasks.length; i++) { |
618 |
|
|
Runnable r = new CheckedRunnable() { |
619 |
|
|
public void realRun() throws InterruptedException { |
620 |
|
|
threadStarted.countDown(); |
621 |
jsr166 |
1.70 |
await(done); |
622 |
jsr166 |
1.33 |
}}; |
623 |
|
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
624 |
|
|
} |
625 |
jsr166 |
1.72 |
await(threadStarted); |
626 |
jsr166 |
1.33 |
BlockingQueue<Runnable> q = p.getQueue(); |
627 |
|
|
assertFalse(p.remove((Runnable)tasks[0])); |
628 |
dl |
1.8 |
assertTrue(q.contains((Runnable)tasks[4])); |
629 |
|
|
assertTrue(q.contains((Runnable)tasks[3])); |
630 |
jsr166 |
1.33 |
assertTrue(p.remove((Runnable)tasks[4])); |
631 |
|
|
assertFalse(p.remove((Runnable)tasks[4])); |
632 |
dl |
1.8 |
assertFalse(q.contains((Runnable)tasks[4])); |
633 |
|
|
assertTrue(q.contains((Runnable)tasks[3])); |
634 |
jsr166 |
1.33 |
assertTrue(p.remove((Runnable)tasks[3])); |
635 |
dl |
1.8 |
assertFalse(q.contains((Runnable)tasks[3])); |
636 |
|
|
} |
637 |
|
|
} |
638 |
|
|
|
639 |
|
|
/** |
640 |
jsr166 |
1.40 |
* purge eventually removes cancelled tasks from the queue |
641 |
dl |
1.2 |
*/ |
642 |
jsr166 |
1.25 |
public void testPurge() throws InterruptedException { |
643 |
jsr166 |
1.66 |
final ScheduledFuture[] tasks = new ScheduledFuture[5]; |
644 |
|
|
final Runnable releaser = new Runnable() { public void run() { |
645 |
|
|
for (ScheduledFuture task : tasks) |
646 |
|
|
if (task != null) task.cancel(true); }}; |
647 |
|
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
648 |
|
|
try (PoolCleaner cleaner = cleaner(p, releaser)) { |
649 |
|
|
for (int i = 0; i < tasks.length; i++) |
650 |
|
|
tasks[i] = p.schedule(new SmallPossiblyInterruptedRunnable(), |
651 |
|
|
LONG_DELAY_MS, MILLISECONDS); |
652 |
jsr166 |
1.33 |
int max = tasks.length; |
653 |
dl |
1.19 |
if (tasks[4].cancel(true)) --max; |
654 |
|
|
if (tasks[3].cancel(true)) --max; |
655 |
|
|
// There must eventually be an interference-free point at |
656 |
|
|
// which purge will not fail. (At worst, when queue is empty.) |
657 |
jsr166 |
1.40 |
long startTime = System.nanoTime(); |
658 |
|
|
do { |
659 |
jsr166 |
1.33 |
p.purge(); |
660 |
|
|
long count = p.getTaskCount(); |
661 |
jsr166 |
1.40 |
if (count == max) |
662 |
|
|
return; |
663 |
jsr166 |
1.66 |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
664 |
jsr166 |
1.40 |
fail("Purge failed to remove cancelled tasks"); |
665 |
dl |
1.2 |
} |
666 |
|
|
} |
667 |
|
|
|
668 |
|
|
/** |
669 |
jsr166 |
1.53 |
* shutdownNow returns a list containing tasks that were not run, |
670 |
|
|
* and those tasks are drained from the queue |
671 |
dl |
1.2 |
*/ |
672 |
jsr166 |
1.56 |
public void testShutdownNow() throws InterruptedException { |
673 |
|
|
final int poolSize = 2; |
674 |
|
|
final int count = 5; |
675 |
|
|
final AtomicInteger ran = new AtomicInteger(0); |
676 |
|
|
final ScheduledThreadPoolExecutor p = |
677 |
|
|
new ScheduledThreadPoolExecutor(poolSize); |
678 |
jsr166 |
1.64 |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
679 |
jsr166 |
1.58 |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
680 |
jsr166 |
1.56 |
threadsStarted.countDown(); |
681 |
|
|
try { |
682 |
|
|
MILLISECONDS.sleep(2 * LONG_DELAY_MS); |
683 |
|
|
} catch (InterruptedException success) {} |
684 |
|
|
ran.getAndIncrement(); |
685 |
|
|
}}; |
686 |
|
|
for (int i = 0; i < count; i++) |
687 |
|
|
p.execute(waiter); |
688 |
jsr166 |
1.71 |
await(threadsStarted); |
689 |
jsr166 |
1.57 |
assertEquals(poolSize, p.getActiveCount()); |
690 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
691 |
jsr166 |
1.56 |
final List<Runnable> queuedTasks; |
692 |
|
|
try { |
693 |
|
|
queuedTasks = p.shutdownNow(); |
694 |
|
|
} catch (SecurityException ok) { |
695 |
|
|
return; // Allowed in case test doesn't have privs |
696 |
|
|
} |
697 |
|
|
assertTrue(p.isShutdown()); |
698 |
|
|
assertTrue(p.getQueue().isEmpty()); |
699 |
|
|
assertEquals(count - poolSize, queuedTasks.size()); |
700 |
|
|
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
701 |
|
|
assertTrue(p.isTerminated()); |
702 |
|
|
assertEquals(poolSize, ran.get()); |
703 |
jsr166 |
1.57 |
assertEquals(poolSize, p.getCompletedTaskCount()); |
704 |
jsr166 |
1.56 |
} |
705 |
|
|
|
706 |
|
|
/** |
707 |
|
|
* shutdownNow returns a list containing tasks that were not run, |
708 |
|
|
* and those tasks are drained from the queue |
709 |
|
|
*/ |
710 |
jsr166 |
1.54 |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
711 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
712 |
jsr166 |
1.54 |
List<ScheduledFuture> tasks = new ArrayList<>(); |
713 |
|
|
for (int i = 0; i < 3; i++) { |
714 |
|
|
Runnable r = new NoOpRunnable(); |
715 |
|
|
tasks.add(p.schedule(r, 9, SECONDS)); |
716 |
|
|
tasks.add(p.scheduleAtFixedRate(r, 9, 9, SECONDS)); |
717 |
|
|
tasks.add(p.scheduleWithFixedDelay(r, 9, 9, SECONDS)); |
718 |
|
|
} |
719 |
jsr166 |
1.55 |
if (testImplementationDetails) |
720 |
|
|
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
721 |
jsr166 |
1.54 |
final List<Runnable> queuedTasks; |
722 |
dl |
1.17 |
try { |
723 |
jsr166 |
1.54 |
queuedTasks = p.shutdownNow(); |
724 |
jsr166 |
1.22 |
} catch (SecurityException ok) { |
725 |
jsr166 |
1.54 |
return; // Allowed in case test doesn't have privs |
726 |
|
|
} |
727 |
|
|
assertTrue(p.isShutdown()); |
728 |
|
|
assertTrue(p.getQueue().isEmpty()); |
729 |
jsr166 |
1.55 |
if (testImplementationDetails) |
730 |
|
|
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
731 |
jsr166 |
1.54 |
assertEquals(tasks.size(), queuedTasks.size()); |
732 |
|
|
for (ScheduledFuture task : tasks) { |
733 |
|
|
assertFalse(task.isDone()); |
734 |
|
|
assertFalse(task.isCancelled()); |
735 |
dl |
1.17 |
} |
736 |
jsr166 |
1.54 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
737 |
|
|
assertTrue(p.isTerminated()); |
738 |
dl |
1.2 |
} |
739 |
|
|
|
740 |
dl |
1.5 |
/** |
741 |
jsr166 |
1.58 |
* By default, periodic tasks are cancelled at shutdown. |
742 |
|
|
* By default, delayed tasks keep running after shutdown. |
743 |
|
|
* Check that changing the default values work: |
744 |
|
|
* - setExecuteExistingDelayedTasksAfterShutdownPolicy |
745 |
|
|
* - setContinueExistingPeriodicTasksAfterShutdownPolicy |
746 |
|
|
*/ |
747 |
|
|
public void testShutdown_cancellation() throws Exception { |
748 |
|
|
final int poolSize = 2; |
749 |
|
|
final ScheduledThreadPoolExecutor p |
750 |
|
|
= new ScheduledThreadPoolExecutor(poolSize); |
751 |
jsr166 |
1.88 |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
752 |
|
|
final boolean effectiveDelayedPolicy; |
753 |
|
|
final boolean effectivePeriodicPolicy; |
754 |
|
|
final boolean effectiveRemovePolicy; |
755 |
|
|
|
756 |
|
|
if (rnd.nextBoolean()) |
757 |
|
|
p.setExecuteExistingDelayedTasksAfterShutdownPolicy( |
758 |
|
|
effectiveDelayedPolicy = rnd.nextBoolean()); |
759 |
|
|
else |
760 |
|
|
effectiveDelayedPolicy = true; |
761 |
jsr166 |
1.58 |
assertEquals(effectiveDelayedPolicy, |
762 |
|
|
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
763 |
jsr166 |
1.88 |
|
764 |
|
|
if (rnd.nextBoolean()) |
765 |
|
|
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
766 |
|
|
effectivePeriodicPolicy = rnd.nextBoolean()); |
767 |
|
|
else |
768 |
|
|
effectivePeriodicPolicy = false; |
769 |
jsr166 |
1.58 |
assertEquals(effectivePeriodicPolicy, |
770 |
|
|
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
771 |
jsr166 |
1.88 |
|
772 |
|
|
if (rnd.nextBoolean()) |
773 |
|
|
p.setRemoveOnCancelPolicy( |
774 |
|
|
effectiveRemovePolicy = rnd.nextBoolean()); |
775 |
|
|
else |
776 |
|
|
effectiveRemovePolicy = false; |
777 |
jsr166 |
1.58 |
assertEquals(effectiveRemovePolicy, |
778 |
|
|
p.getRemoveOnCancelPolicy()); |
779 |
jsr166 |
1.88 |
|
780 |
jsr166 |
1.58 |
// Strategy: Wedge the pool with poolSize "blocker" threads |
781 |
|
|
final AtomicInteger ran = new AtomicInteger(0); |
782 |
|
|
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
783 |
|
|
final CountDownLatch unblock = new CountDownLatch(1); |
784 |
|
|
final CountDownLatch periodicLatch1 = new CountDownLatch(2); |
785 |
|
|
final CountDownLatch periodicLatch2 = new CountDownLatch(2); |
786 |
|
|
Runnable task = new CheckedRunnable() { public void realRun() |
787 |
|
|
throws InterruptedException { |
788 |
|
|
poolBlocked.countDown(); |
789 |
jsr166 |
1.86 |
await(unblock); |
790 |
jsr166 |
1.58 |
ran.getAndIncrement(); |
791 |
|
|
}}; |
792 |
|
|
List<Future<?>> blockers = new ArrayList<>(); |
793 |
|
|
List<Future<?>> periodics = new ArrayList<>(); |
794 |
|
|
List<Future<?>> delayeds = new ArrayList<>(); |
795 |
|
|
for (int i = 0; i < poolSize; i++) |
796 |
|
|
blockers.add(p.submit(task)); |
797 |
jsr166 |
1.86 |
await(poolBlocked); |
798 |
jsr166 |
1.58 |
|
799 |
jsr166 |
1.87 |
periodics.add(p.scheduleAtFixedRate( |
800 |
|
|
countDowner(periodicLatch1), 1, 1, MILLISECONDS)); |
801 |
|
|
periodics.add(p.scheduleWithFixedDelay( |
802 |
|
|
countDowner(periodicLatch2), 1, 1, MILLISECONDS)); |
803 |
jsr166 |
1.58 |
delayeds.add(p.schedule(task, 1, MILLISECONDS)); |
804 |
jsr166 |
1.22 |
|
805 |
jsr166 |
1.58 |
assertTrue(p.getQueue().containsAll(periodics)); |
806 |
|
|
assertTrue(p.getQueue().containsAll(delayeds)); |
807 |
jsr166 |
1.33 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
808 |
jsr166 |
1.58 |
assertTrue(p.isShutdown()); |
809 |
|
|
assertFalse(p.isTerminated()); |
810 |
|
|
for (Future<?> periodic : periodics) { |
811 |
|
|
assertTrue(effectivePeriodicPolicy ^ periodic.isCancelled()); |
812 |
|
|
assertTrue(effectivePeriodicPolicy ^ periodic.isDone()); |
813 |
|
|
} |
814 |
|
|
for (Future<?> delayed : delayeds) { |
815 |
|
|
assertTrue(effectiveDelayedPolicy ^ delayed.isCancelled()); |
816 |
|
|
assertTrue(effectiveDelayedPolicy ^ delayed.isDone()); |
817 |
|
|
} |
818 |
|
|
if (testImplementationDetails) { |
819 |
|
|
assertEquals(effectivePeriodicPolicy, |
820 |
|
|
p.getQueue().containsAll(periodics)); |
821 |
|
|
assertEquals(effectiveDelayedPolicy, |
822 |
|
|
p.getQueue().containsAll(delayeds)); |
823 |
|
|
} |
824 |
jsr166 |
1.87 |
unblock.countDown(); // Release all pool threads |
825 |
jsr166 |
1.58 |
|
826 |
jsr166 |
1.87 |
if (effectiveDelayedPolicy) |
827 |
|
|
for (Future<?> delayed : delayeds) assertNull(delayed.get()); |
828 |
jsr166 |
1.58 |
if (effectivePeriodicPolicy) { |
829 |
jsr166 |
1.86 |
await(periodicLatch1); |
830 |
|
|
await(periodicLatch2); |
831 |
jsr166 |
1.58 |
for (Future<?> periodic : periodics) { |
832 |
|
|
assertTrue(periodic.cancel(false)); |
833 |
|
|
assertTrue(periodic.isCancelled()); |
834 |
|
|
assertTrue(periodic.isDone()); |
835 |
|
|
} |
836 |
dl |
1.2 |
} |
837 |
jsr166 |
1.84 |
for (Future<?> blocker : blockers) assertNull(blocker.get()); |
838 |
jsr166 |
1.58 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
839 |
jsr166 |
1.33 |
assertTrue(p.isTerminated()); |
840 |
jsr166 |
1.87 |
|
841 |
|
|
for (Future<?> future : delayeds) { |
842 |
|
|
assertTrue(effectiveDelayedPolicy ^ future.isCancelled()); |
843 |
|
|
assertTrue(future.isDone()); |
844 |
|
|
} |
845 |
|
|
for (Future<?> future : periodics) |
846 |
|
|
assertTrue(future.isCancelled()); |
847 |
|
|
for (Future<?> future : blockers) |
848 |
|
|
assertNull(future.get()); |
849 |
jsr166 |
1.58 |
assertEquals(2 + (effectiveDelayedPolicy ? 1 : 0), ran.get()); |
850 |
jsr166 |
1.88 |
} |
851 |
dl |
1.1 |
|
852 |
dl |
1.10 |
/** |
853 |
|
|
* completed submit of callable returns result |
854 |
|
|
*/ |
855 |
jsr166 |
1.25 |
public void testSubmitCallable() throws Exception { |
856 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
857 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
858 |
dl |
1.10 |
Future<String> future = e.submit(new StringTask()); |
859 |
|
|
String result = future.get(); |
860 |
|
|
assertSame(TEST_STRING, result); |
861 |
|
|
} |
862 |
|
|
} |
863 |
|
|
|
864 |
|
|
/** |
865 |
|
|
* completed submit of runnable returns successfully |
866 |
|
|
*/ |
867 |
jsr166 |
1.25 |
public void testSubmitRunnable() throws Exception { |
868 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
869 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
870 |
dl |
1.10 |
Future<?> future = e.submit(new NoOpRunnable()); |
871 |
|
|
future.get(); |
872 |
|
|
assertTrue(future.isDone()); |
873 |
|
|
} |
874 |
|
|
} |
875 |
|
|
|
876 |
|
|
/** |
877 |
|
|
* completed submit of (runnable, result) returns result |
878 |
|
|
*/ |
879 |
jsr166 |
1.25 |
public void testSubmitRunnable2() throws Exception { |
880 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
881 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
882 |
dl |
1.10 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
883 |
|
|
String result = future.get(); |
884 |
|
|
assertSame(TEST_STRING, result); |
885 |
|
|
} |
886 |
|
|
} |
887 |
|
|
|
888 |
|
|
/** |
889 |
|
|
* invokeAny(null) throws NPE |
890 |
|
|
*/ |
891 |
jsr166 |
1.25 |
public void testInvokeAny1() throws Exception { |
892 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
893 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
894 |
|
|
try { |
895 |
|
|
e.invokeAny(null); |
896 |
|
|
shouldThrow(); |
897 |
|
|
} catch (NullPointerException success) {} |
898 |
dl |
1.10 |
} |
899 |
|
|
} |
900 |
|
|
|
901 |
|
|
/** |
902 |
|
|
* invokeAny(empty collection) throws IAE |
903 |
|
|
*/ |
904 |
jsr166 |
1.25 |
public void testInvokeAny2() throws Exception { |
905 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
906 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
907 |
|
|
try { |
908 |
|
|
e.invokeAny(new ArrayList<Callable<String>>()); |
909 |
|
|
shouldThrow(); |
910 |
|
|
} catch (IllegalArgumentException success) {} |
911 |
dl |
1.10 |
} |
912 |
|
|
} |
913 |
|
|
|
914 |
|
|
/** |
915 |
|
|
* invokeAny(c) throws NPE if c has null elements |
916 |
|
|
*/ |
917 |
jsr166 |
1.25 |
public void testInvokeAny3() throws Exception { |
918 |
jsr166 |
1.29 |
CountDownLatch latch = new CountDownLatch(1); |
919 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
920 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
921 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
922 |
jsr166 |
1.62 |
l.add(latchAwaitingStringTask(latch)); |
923 |
|
|
l.add(null); |
924 |
|
|
try { |
925 |
|
|
e.invokeAny(l); |
926 |
|
|
shouldThrow(); |
927 |
|
|
} catch (NullPointerException success) {} |
928 |
jsr166 |
1.25 |
latch.countDown(); |
929 |
dl |
1.10 |
} |
930 |
|
|
} |
931 |
|
|
|
932 |
|
|
/** |
933 |
|
|
* invokeAny(c) throws ExecutionException if no task completes |
934 |
|
|
*/ |
935 |
jsr166 |
1.25 |
public void testInvokeAny4() throws Exception { |
936 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
937 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
938 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
939 |
jsr166 |
1.62 |
l.add(new NPETask()); |
940 |
|
|
try { |
941 |
|
|
e.invokeAny(l); |
942 |
|
|
shouldThrow(); |
943 |
|
|
} catch (ExecutionException success) { |
944 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
945 |
|
|
} |
946 |
dl |
1.10 |
} |
947 |
|
|
} |
948 |
|
|
|
949 |
|
|
/** |
950 |
|
|
* invokeAny(c) returns result of some task |
951 |
|
|
*/ |
952 |
jsr166 |
1.25 |
public void testInvokeAny5() throws Exception { |
953 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
954 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
955 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
956 |
dl |
1.10 |
l.add(new StringTask()); |
957 |
|
|
l.add(new StringTask()); |
958 |
|
|
String result = e.invokeAny(l); |
959 |
|
|
assertSame(TEST_STRING, result); |
960 |
|
|
} |
961 |
|
|
} |
962 |
|
|
|
963 |
|
|
/** |
964 |
|
|
* invokeAll(null) throws NPE |
965 |
|
|
*/ |
966 |
jsr166 |
1.25 |
public void testInvokeAll1() throws Exception { |
967 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
968 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
969 |
|
|
try { |
970 |
|
|
e.invokeAll(null); |
971 |
|
|
shouldThrow(); |
972 |
|
|
} catch (NullPointerException success) {} |
973 |
dl |
1.10 |
} |
974 |
|
|
} |
975 |
|
|
|
976 |
|
|
/** |
977 |
|
|
* invokeAll(empty collection) returns empty collection |
978 |
|
|
*/ |
979 |
jsr166 |
1.25 |
public void testInvokeAll2() throws Exception { |
980 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
981 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
982 |
dl |
1.10 |
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>()); |
983 |
|
|
assertTrue(r.isEmpty()); |
984 |
|
|
} |
985 |
|
|
} |
986 |
|
|
|
987 |
|
|
/** |
988 |
|
|
* invokeAll(c) throws NPE if c has null elements |
989 |
|
|
*/ |
990 |
jsr166 |
1.25 |
public void testInvokeAll3() throws Exception { |
991 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
992 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
993 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
994 |
jsr166 |
1.62 |
l.add(new StringTask()); |
995 |
|
|
l.add(null); |
996 |
|
|
try { |
997 |
|
|
e.invokeAll(l); |
998 |
|
|
shouldThrow(); |
999 |
|
|
} catch (NullPointerException success) {} |
1000 |
dl |
1.10 |
} |
1001 |
|
|
} |
1002 |
|
|
|
1003 |
|
|
/** |
1004 |
|
|
* get of invokeAll(c) throws exception on failed task |
1005 |
|
|
*/ |
1006 |
jsr166 |
1.25 |
public void testInvokeAll4() throws Exception { |
1007 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1008 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1009 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1010 |
jsr166 |
1.62 |
l.add(new NPETask()); |
1011 |
|
|
List<Future<String>> futures = e.invokeAll(l); |
1012 |
|
|
assertEquals(1, futures.size()); |
1013 |
|
|
try { |
1014 |
|
|
futures.get(0).get(); |
1015 |
|
|
shouldThrow(); |
1016 |
|
|
} catch (ExecutionException success) { |
1017 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
1018 |
|
|
} |
1019 |
dl |
1.10 |
} |
1020 |
|
|
} |
1021 |
|
|
|
1022 |
|
|
/** |
1023 |
|
|
* invokeAll(c) returns results of all completed tasks |
1024 |
|
|
*/ |
1025 |
jsr166 |
1.25 |
public void testInvokeAll5() throws Exception { |
1026 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1027 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1028 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1029 |
dl |
1.10 |
l.add(new StringTask()); |
1030 |
|
|
l.add(new StringTask()); |
1031 |
jsr166 |
1.29 |
List<Future<String>> futures = e.invokeAll(l); |
1032 |
|
|
assertEquals(2, futures.size()); |
1033 |
|
|
for (Future<String> future : futures) |
1034 |
jsr166 |
1.25 |
assertSame(TEST_STRING, future.get()); |
1035 |
dl |
1.10 |
} |
1036 |
|
|
} |
1037 |
|
|
|
1038 |
dl |
1.11 |
/** |
1039 |
|
|
* timed invokeAny(null) throws NPE |
1040 |
|
|
*/ |
1041 |
jsr166 |
1.25 |
public void testTimedInvokeAny1() throws Exception { |
1042 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1043 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1044 |
|
|
try { |
1045 |
|
|
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1046 |
|
|
shouldThrow(); |
1047 |
|
|
} catch (NullPointerException success) {} |
1048 |
dl |
1.11 |
} |
1049 |
|
|
} |
1050 |
|
|
|
1051 |
|
|
/** |
1052 |
|
|
* timed invokeAny(,,null) throws NPE |
1053 |
|
|
*/ |
1054 |
jsr166 |
1.25 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1055 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1056 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1057 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1058 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1059 |
|
|
try { |
1060 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
1061 |
|
|
shouldThrow(); |
1062 |
|
|
} catch (NullPointerException success) {} |
1063 |
dl |
1.11 |
} |
1064 |
|
|
} |
1065 |
|
|
|
1066 |
|
|
/** |
1067 |
|
|
* timed invokeAny(empty collection) throws IAE |
1068 |
|
|
*/ |
1069 |
jsr166 |
1.25 |
public void testTimedInvokeAny2() throws Exception { |
1070 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1071 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1072 |
|
|
try { |
1073 |
|
|
e.invokeAny(new ArrayList<Callable<String>>(), MEDIUM_DELAY_MS, MILLISECONDS); |
1074 |
|
|
shouldThrow(); |
1075 |
|
|
} catch (IllegalArgumentException success) {} |
1076 |
dl |
1.11 |
} |
1077 |
|
|
} |
1078 |
|
|
|
1079 |
|
|
/** |
1080 |
|
|
* timed invokeAny(c) throws NPE if c has null elements |
1081 |
|
|
*/ |
1082 |
jsr166 |
1.25 |
public void testTimedInvokeAny3() throws Exception { |
1083 |
jsr166 |
1.29 |
CountDownLatch latch = new CountDownLatch(1); |
1084 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1085 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1086 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1087 |
jsr166 |
1.62 |
l.add(latchAwaitingStringTask(latch)); |
1088 |
|
|
l.add(null); |
1089 |
|
|
try { |
1090 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1091 |
|
|
shouldThrow(); |
1092 |
|
|
} catch (NullPointerException success) {} |
1093 |
jsr166 |
1.25 |
latch.countDown(); |
1094 |
dl |
1.11 |
} |
1095 |
|
|
} |
1096 |
|
|
|
1097 |
|
|
/** |
1098 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1099 |
|
|
*/ |
1100 |
jsr166 |
1.25 |
public void testTimedInvokeAny4() throws Exception { |
1101 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1102 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1103 |
jsr166 |
1.75 |
long startTime = System.nanoTime(); |
1104 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1105 |
jsr166 |
1.62 |
l.add(new NPETask()); |
1106 |
|
|
try { |
1107 |
jsr166 |
1.75 |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1108 |
jsr166 |
1.62 |
shouldThrow(); |
1109 |
|
|
} catch (ExecutionException success) { |
1110 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
1111 |
|
|
} |
1112 |
jsr166 |
1.75 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1113 |
dl |
1.11 |
} |
1114 |
|
|
} |
1115 |
|
|
|
1116 |
|
|
/** |
1117 |
|
|
* timed invokeAny(c) returns result of some task |
1118 |
|
|
*/ |
1119 |
jsr166 |
1.25 |
public void testTimedInvokeAny5() throws Exception { |
1120 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1121 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1122 |
jsr166 |
1.76 |
long startTime = System.nanoTime(); |
1123 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1124 |
dl |
1.11 |
l.add(new StringTask()); |
1125 |
|
|
l.add(new StringTask()); |
1126 |
jsr166 |
1.76 |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1127 |
dl |
1.11 |
assertSame(TEST_STRING, result); |
1128 |
jsr166 |
1.76 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1129 |
dl |
1.11 |
} |
1130 |
|
|
} |
1131 |
|
|
|
1132 |
|
|
/** |
1133 |
|
|
* timed invokeAll(null) throws NPE |
1134 |
|
|
*/ |
1135 |
jsr166 |
1.25 |
public void testTimedInvokeAll1() throws Exception { |
1136 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1137 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1138 |
|
|
try { |
1139 |
|
|
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
1140 |
|
|
shouldThrow(); |
1141 |
|
|
} catch (NullPointerException success) {} |
1142 |
dl |
1.11 |
} |
1143 |
|
|
} |
1144 |
|
|
|
1145 |
|
|
/** |
1146 |
|
|
* timed invokeAll(,,null) throws NPE |
1147 |
|
|
*/ |
1148 |
jsr166 |
1.25 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1149 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1150 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1151 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1152 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1153 |
|
|
try { |
1154 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
1155 |
|
|
shouldThrow(); |
1156 |
|
|
} catch (NullPointerException success) {} |
1157 |
dl |
1.11 |
} |
1158 |
|
|
} |
1159 |
|
|
|
1160 |
|
|
/** |
1161 |
|
|
* timed invokeAll(empty collection) returns empty collection |
1162 |
|
|
*/ |
1163 |
jsr166 |
1.25 |
public void testTimedInvokeAll2() throws Exception { |
1164 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1165 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1166 |
|
|
List<Future<String>> r = e.invokeAll(new ArrayList<Callable<String>>(), |
1167 |
|
|
MEDIUM_DELAY_MS, MILLISECONDS); |
1168 |
dl |
1.11 |
assertTrue(r.isEmpty()); |
1169 |
|
|
} |
1170 |
|
|
} |
1171 |
|
|
|
1172 |
|
|
/** |
1173 |
|
|
* timed invokeAll(c) throws NPE if c has null elements |
1174 |
|
|
*/ |
1175 |
jsr166 |
1.25 |
public void testTimedInvokeAll3() throws Exception { |
1176 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1177 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1178 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1179 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1180 |
|
|
l.add(null); |
1181 |
|
|
try { |
1182 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
1183 |
|
|
shouldThrow(); |
1184 |
|
|
} catch (NullPointerException success) {} |
1185 |
dl |
1.11 |
} |
1186 |
|
|
} |
1187 |
|
|
|
1188 |
|
|
/** |
1189 |
|
|
* get of element of invokeAll(c) throws exception on failed task |
1190 |
|
|
*/ |
1191 |
jsr166 |
1.25 |
public void testTimedInvokeAll4() throws Exception { |
1192 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1193 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1194 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1195 |
jsr166 |
1.62 |
l.add(new NPETask()); |
1196 |
|
|
List<Future<String>> futures = |
1197 |
jsr166 |
1.69 |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1198 |
jsr166 |
1.62 |
assertEquals(1, futures.size()); |
1199 |
|
|
try { |
1200 |
|
|
futures.get(0).get(); |
1201 |
|
|
shouldThrow(); |
1202 |
|
|
} catch (ExecutionException success) { |
1203 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
1204 |
|
|
} |
1205 |
dl |
1.11 |
} |
1206 |
|
|
} |
1207 |
|
|
|
1208 |
|
|
/** |
1209 |
|
|
* timed invokeAll(c) returns results of all completed tasks |
1210 |
|
|
*/ |
1211 |
jsr166 |
1.25 |
public void testTimedInvokeAll5() throws Exception { |
1212 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1213 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1214 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1215 |
dl |
1.11 |
l.add(new StringTask()); |
1216 |
|
|
l.add(new StringTask()); |
1217 |
jsr166 |
1.29 |
List<Future<String>> futures = |
1218 |
jsr166 |
1.59 |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1219 |
jsr166 |
1.29 |
assertEquals(2, futures.size()); |
1220 |
|
|
for (Future<String> future : futures) |
1221 |
jsr166 |
1.25 |
assertSame(TEST_STRING, future.get()); |
1222 |
dl |
1.11 |
} |
1223 |
|
|
} |
1224 |
|
|
|
1225 |
|
|
/** |
1226 |
|
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1227 |
|
|
*/ |
1228 |
jsr166 |
1.25 |
public void testTimedInvokeAll6() throws Exception { |
1229 |
jsr166 |
1.74 |
for (long timeout = timeoutMillis();;) { |
1230 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
1231 |
|
|
final Callable<String> waiter = new CheckedCallable<String>() { |
1232 |
|
|
public String realCall() { |
1233 |
|
|
try { done.await(LONG_DELAY_MS, MILLISECONDS); } |
1234 |
|
|
catch (InterruptedException ok) {} |
1235 |
|
|
return "1"; }}; |
1236 |
|
|
final ExecutorService p = new ScheduledThreadPoolExecutor(2); |
1237 |
|
|
try (PoolCleaner cleaner = cleaner(p, done)) { |
1238 |
jsr166 |
1.52 |
List<Callable<String>> tasks = new ArrayList<>(); |
1239 |
|
|
tasks.add(new StringTask("0")); |
1240 |
jsr166 |
1.74 |
tasks.add(waiter); |
1241 |
jsr166 |
1.52 |
tasks.add(new StringTask("2")); |
1242 |
|
|
long startTime = System.nanoTime(); |
1243 |
|
|
List<Future<String>> futures = |
1244 |
jsr166 |
1.74 |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1245 |
jsr166 |
1.52 |
assertEquals(tasks.size(), futures.size()); |
1246 |
|
|
assertTrue(millisElapsedSince(startTime) >= timeout); |
1247 |
|
|
for (Future future : futures) |
1248 |
|
|
assertTrue(future.isDone()); |
1249 |
|
|
assertTrue(futures.get(1).isCancelled()); |
1250 |
|
|
try { |
1251 |
|
|
assertEquals("0", futures.get(0).get()); |
1252 |
|
|
assertEquals("2", futures.get(2).get()); |
1253 |
|
|
break; |
1254 |
|
|
} catch (CancellationException retryWithLongerTimeout) { |
1255 |
|
|
timeout *= 2; |
1256 |
|
|
if (timeout >= LONG_DELAY_MS / 2) |
1257 |
|
|
fail("expected exactly one task to be cancelled"); |
1258 |
|
|
} |
1259 |
|
|
} |
1260 |
dl |
1.11 |
} |
1261 |
|
|
} |
1262 |
|
|
|
1263 |
jsr166 |
1.77 |
/** |
1264 |
|
|
* A fixed delay task with overflowing period should not prevent a |
1265 |
|
|
* one-shot task from executing. |
1266 |
|
|
* https://bugs.openjdk.java.net/browse/JDK-8051859 |
1267 |
|
|
*/ |
1268 |
|
|
public void testScheduleWithFixedDelay_overflow() throws Exception { |
1269 |
|
|
final CountDownLatch delayedDone = new CountDownLatch(1); |
1270 |
|
|
final CountDownLatch immediateDone = new CountDownLatch(1); |
1271 |
|
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
1272 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
1273 |
|
|
final Runnable immediate = new Runnable() { public void run() { |
1274 |
|
|
immediateDone.countDown(); |
1275 |
|
|
}}; |
1276 |
|
|
final Runnable delayed = new Runnable() { public void run() { |
1277 |
|
|
delayedDone.countDown(); |
1278 |
|
|
p.submit(immediate); |
1279 |
|
|
}}; |
1280 |
|
|
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1281 |
|
|
await(delayedDone); |
1282 |
|
|
await(immediateDone); |
1283 |
|
|
} |
1284 |
|
|
} |
1285 |
|
|
|
1286 |
dl |
1.1 |
} |