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/ |
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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; |
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jsr166 |
1.54 |
import static java.util.concurrent.TimeUnit.SECONDS; |
12 |
jsr166 |
1.50 |
|
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import java.util.ArrayList; |
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jsr166 |
1.94 |
import java.util.Collection; |
15 |
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import java.util.Collections; |
16 |
jsr166 |
1.54 |
import java.util.HashSet; |
17 |
jsr166 |
1.50 |
import java.util.List; |
18 |
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import java.util.concurrent.BlockingQueue; |
19 |
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import java.util.concurrent.Callable; |
20 |
jsr166 |
1.52 |
import java.util.concurrent.CancellationException; |
21 |
jsr166 |
1.50 |
import java.util.concurrent.CountDownLatch; |
22 |
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import java.util.concurrent.ExecutionException; |
23 |
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import java.util.concurrent.ExecutorService; |
24 |
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import java.util.concurrent.Future; |
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import java.util.concurrent.RejectedExecutionException; |
26 |
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import java.util.concurrent.ScheduledFuture; |
27 |
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import java.util.concurrent.ScheduledThreadPoolExecutor; |
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import java.util.concurrent.ThreadFactory; |
29 |
jsr166 |
1.88 |
import java.util.concurrent.ThreadLocalRandom; |
30 |
jsr166 |
1.50 |
import java.util.concurrent.ThreadPoolExecutor; |
31 |
jsr166 |
1.80 |
import java.util.concurrent.atomic.AtomicBoolean; |
32 |
jsr166 |
1.46 |
import java.util.concurrent.atomic.AtomicInteger; |
33 |
jsr166 |
1.80 |
import java.util.concurrent.atomic.AtomicLong; |
34 |
jsr166 |
1.89 |
import java.util.stream.Stream; |
35 |
dl |
1.1 |
|
36 |
jsr166 |
1.50 |
import junit.framework.Test; |
37 |
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import junit.framework.TestSuite; |
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dl |
1.4 |
public class ScheduledExecutorTest extends JSR166TestCase { |
40 |
dl |
1.1 |
public static void main(String[] args) { |
41 |
jsr166 |
1.51 |
main(suite(), args); |
42 |
dl |
1.1 |
} |
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public static Test suite() { |
44 |
jsr166 |
1.26 |
return new TestSuite(ScheduledExecutorTest.class); |
45 |
dl |
1.1 |
} |
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|
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dl |
1.5 |
/** |
48 |
dl |
1.6 |
* execute successfully executes a runnable |
49 |
dl |
1.5 |
*/ |
50 |
jsr166 |
1.25 |
public void testExecute() throws InterruptedException { |
51 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
52 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
53 |
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final CountDownLatch done = new CountDownLatch(1); |
54 |
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final Runnable task = new CheckedRunnable() { |
55 |
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public void realRun() { done.countDown(); }}; |
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jsr166 |
1.33 |
p.execute(task); |
57 |
jsr166 |
1.86 |
await(done); |
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jsr166 |
1.33 |
} |
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dl |
1.1 |
} |
60 |
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|
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dl |
1.5 |
/** |
62 |
dl |
1.6 |
* delayed schedule of callable successfully executes after delay |
63 |
dl |
1.5 |
*/ |
64 |
jsr166 |
1.25 |
public void testSchedule1() throws Exception { |
65 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
67 |
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final long startTime = System.nanoTime(); |
68 |
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final CountDownLatch done = new CountDownLatch(1); |
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jsr166 |
1.33 |
Callable task = new CheckedCallable<Boolean>() { |
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public Boolean realCall() { |
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done.countDown(); |
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1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.33 |
return Boolean.TRUE; |
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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()); |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.93 |
assertEquals(0L, done.getCount()); |
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jsr166 |
1.33 |
} |
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1.1 |
} |
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/** |
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jsr166 |
1.32 |
* delayed schedule of runnable successfully executes after delay |
84 |
dl |
1.1 |
*/ |
85 |
jsr166 |
1.33 |
public void testSchedule3() throws Exception { |
86 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
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jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
88 |
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final long startTime = System.nanoTime(); |
89 |
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final CountDownLatch done = new CountDownLatch(1); |
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jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
91 |
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public void realRun() { |
92 |
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done.countDown(); |
93 |
jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
94 |
jsr166 |
1.33 |
}}; |
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jsr166 |
1.44 |
Future f = p.schedule(task, timeoutMillis(), MILLISECONDS); |
96 |
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await(done); |
97 |
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assertNull(f.get(LONG_DELAY_MS, MILLISECONDS)); |
98 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
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jsr166 |
1.33 |
} |
100 |
dl |
1.1 |
} |
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jsr166 |
1.22 |
|
102 |
dl |
1.1 |
/** |
103 |
dl |
1.6 |
* scheduleAtFixedRate executes runnable after given initial delay |
104 |
dl |
1.1 |
*/ |
105 |
jsr166 |
1.33 |
public void testSchedule4() throws Exception { |
106 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
107 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
108 |
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final long startTime = System.nanoTime(); |
109 |
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final CountDownLatch done = new CountDownLatch(1); |
110 |
jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
111 |
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public void realRun() { |
112 |
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done.countDown(); |
113 |
jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
114 |
jsr166 |
1.33 |
}}; |
115 |
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ScheduledFuture f = |
116 |
jsr166 |
1.44 |
p.scheduleAtFixedRate(task, timeoutMillis(), |
117 |
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LONG_DELAY_MS, MILLISECONDS); |
118 |
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await(done); |
119 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
120 |
jsr166 |
1.33 |
f.cancel(true); |
121 |
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} |
122 |
dl |
1.18 |
} |
123 |
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|
124 |
dl |
1.6 |
/** |
125 |
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* scheduleWithFixedDelay executes runnable after given initial delay |
126 |
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*/ |
127 |
jsr166 |
1.44 |
public void testSchedule5() throws Exception { |
128 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
129 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
130 |
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final long startTime = System.nanoTime(); |
131 |
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final CountDownLatch done = new CountDownLatch(1); |
132 |
jsr166 |
1.33 |
Runnable task = new CheckedRunnable() { |
133 |
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public void realRun() { |
134 |
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done.countDown(); |
135 |
jsr166 |
1.44 |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
136 |
jsr166 |
1.33 |
}}; |
137 |
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ScheduledFuture f = |
138 |
jsr166 |
1.44 |
p.scheduleWithFixedDelay(task, timeoutMillis(), |
139 |
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LONG_DELAY_MS, MILLISECONDS); |
140 |
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await(done); |
141 |
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assertTrue(millisElapsedSince(startTime) >= timeoutMillis()); |
142 |
jsr166 |
1.33 |
f.cancel(true); |
143 |
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} |
144 |
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} |
145 |
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146 |
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static class RunnableCounter implements Runnable { |
147 |
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AtomicInteger count = new AtomicInteger(0); |
148 |
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public void run() { count.getAndIncrement(); } |
149 |
dl |
1.1 |
} |
150 |
jsr166 |
1.22 |
|
151 |
dl |
1.6 |
/** |
152 |
jsr166 |
1.80 |
* scheduleAtFixedRate executes series of tasks at given rate. |
153 |
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* Eventually, it must hold that: |
154 |
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* cycles - 1 <= elapsedMillis/delay < cycles |
155 |
dl |
1.18 |
*/ |
156 |
jsr166 |
1.25 |
public void testFixedRateSequence() throws InterruptedException { |
157 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
158 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
159 |
jsr166 |
1.47 |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
160 |
jsr166 |
1.80 |
final long startTime = System.nanoTime(); |
161 |
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final int cycles = 8; |
162 |
jsr166 |
1.47 |
final CountDownLatch done = new CountDownLatch(cycles); |
163 |
jsr166 |
1.80 |
final Runnable task = new CheckedRunnable() { |
164 |
jsr166 |
1.47 |
public void realRun() { done.countDown(); }}; |
165 |
jsr166 |
1.80 |
final ScheduledFuture periodicTask = |
166 |
jsr166 |
1.47 |
p.scheduleAtFixedRate(task, 0, delay, MILLISECONDS); |
167 |
jsr166 |
1.80 |
final int totalDelayMillis = (cycles - 1) * delay; |
168 |
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await(done, totalDelayMillis + LONG_DELAY_MS); |
169 |
jsr166 |
1.79 |
periodicTask.cancel(true); |
170 |
jsr166 |
1.80 |
final long elapsedMillis = millisElapsedSince(startTime); |
171 |
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assertTrue(elapsedMillis >= totalDelayMillis); |
172 |
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if (elapsedMillis <= cycles * delay) |
173 |
jsr166 |
1.47 |
return; |
174 |
jsr166 |
1.80 |
// else retry with longer delay |
175 |
jsr166 |
1.47 |
} |
176 |
jsr166 |
1.78 |
fail("unexpected execution rate"); |
177 |
jsr166 |
1.47 |
} |
178 |
dl |
1.18 |
} |
179 |
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|
180 |
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/** |
181 |
jsr166 |
1.80 |
* scheduleWithFixedDelay executes series of tasks with given period. |
182 |
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* Eventually, it must hold that each task starts at least delay and at |
183 |
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* most 2 * delay after the termination of the previous task. |
184 |
dl |
1.18 |
*/ |
185 |
jsr166 |
1.25 |
public void testFixedDelaySequence() throws InterruptedException { |
186 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
187 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
188 |
jsr166 |
1.47 |
for (int delay = 1; delay <= LONG_DELAY_MS; delay *= 3) { |
189 |
jsr166 |
1.80 |
final long startTime = System.nanoTime(); |
190 |
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final AtomicLong previous = new AtomicLong(startTime); |
191 |
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final AtomicBoolean tryLongerDelay = new AtomicBoolean(false); |
192 |
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final int cycles = 8; |
193 |
jsr166 |
1.47 |
final CountDownLatch done = new CountDownLatch(cycles); |
194 |
jsr166 |
1.80 |
final int d = delay; |
195 |
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final Runnable task = new CheckedRunnable() { |
196 |
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public void realRun() { |
197 |
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long now = System.nanoTime(); |
198 |
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long elapsedMillis |
199 |
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= NANOSECONDS.toMillis(now - previous.get()); |
200 |
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if (done.getCount() == cycles) { // first execution |
201 |
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if (elapsedMillis >= d) |
202 |
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tryLongerDelay.set(true); |
203 |
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} else { |
204 |
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assertTrue(elapsedMillis >= d); |
205 |
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if (elapsedMillis >= 2 * d) |
206 |
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tryLongerDelay.set(true); |
207 |
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} |
208 |
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previous.set(now); |
209 |
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done.countDown(); |
210 |
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}}; |
211 |
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final ScheduledFuture periodicTask = |
212 |
jsr166 |
1.47 |
p.scheduleWithFixedDelay(task, 0, delay, MILLISECONDS); |
213 |
jsr166 |
1.80 |
final int totalDelayMillis = (cycles - 1) * delay; |
214 |
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await(done, totalDelayMillis + cycles * LONG_DELAY_MS); |
215 |
jsr166 |
1.79 |
periodicTask.cancel(true); |
216 |
jsr166 |
1.80 |
final long elapsedMillis = millisElapsedSince(startTime); |
217 |
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assertTrue(elapsedMillis >= totalDelayMillis); |
218 |
|
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if (!tryLongerDelay.get()) |
219 |
jsr166 |
1.47 |
return; |
220 |
jsr166 |
1.80 |
// else retry with longer delay |
221 |
jsr166 |
1.47 |
} |
222 |
jsr166 |
1.78 |
fail("unexpected execution rate"); |
223 |
jsr166 |
1.47 |
} |
224 |
dl |
1.18 |
} |
225 |
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|
226 |
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/** |
227 |
jsr166 |
1.95 |
* Submitting null tasks throws NullPointerException |
228 |
dl |
1.6 |
*/ |
229 |
jsr166 |
1.95 |
public void testNullTaskSubmission() { |
230 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
231 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
232 |
jsr166 |
1.95 |
assertNullTaskSubmissionThrowsNullPointerException(p); |
233 |
jsr166 |
1.62 |
} |
234 |
dl |
1.6 |
} |
235 |
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|
236 |
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/** |
237 |
jsr166 |
1.95 |
* Submitted tasks are rejected when shutdown |
238 |
dl |
1.6 |
*/ |
239 |
jsr166 |
1.95 |
public void testSubmittedTasksRejectedWhenShutdown() throws InterruptedException { |
240 |
jsr166 |
1.62 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
241 |
jsr166 |
1.95 |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
242 |
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final CountDownLatch threadsStarted = new CountDownLatch(p.getCorePoolSize()); |
243 |
|
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final CountDownLatch done = new CountDownLatch(1); |
244 |
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final Runnable r = () -> { |
245 |
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threadsStarted.countDown(); |
246 |
|
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for (;;) { |
247 |
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try { |
248 |
|
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done.await(); |
249 |
|
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return; |
250 |
|
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} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
251 |
|
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}}; |
252 |
|
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final Callable<Boolean> c = () -> { |
253 |
|
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threadsStarted.countDown(); |
254 |
|
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for (;;) { |
255 |
|
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try { |
256 |
|
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done.await(); |
257 |
|
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return Boolean.TRUE; |
258 |
|
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} catch (InterruptedException shutdownNowDeliberatelyIgnored) {} |
259 |
|
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}}; |
260 |
jsr166 |
1.22 |
|
261 |
jsr166 |
1.95 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
262 |
|
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for (int i = p.getCorePoolSize(); i--> 0; ) { |
263 |
|
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switch (rnd.nextInt(4)) { |
264 |
|
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case 0: p.execute(r); break; |
265 |
|
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case 1: assertFalse(p.submit(r).isDone()); break; |
266 |
|
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case 2: assertFalse(p.submit(r, Boolean.TRUE).isDone()); break; |
267 |
|
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case 3: assertFalse(p.submit(c).isDone()); break; |
268 |
|
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} |
269 |
|
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} |
270 |
dl |
1.1 |
|
271 |
jsr166 |
1.95 |
// ScheduledThreadPoolExecutor has an unbounded queue, so never saturated. |
272 |
|
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await(threadsStarted); |
273 |
dl |
1.1 |
|
274 |
jsr166 |
1.95 |
if (rnd.nextBoolean()) |
275 |
|
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p.shutdownNow(); |
276 |
|
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else |
277 |
jsr166 |
1.62 |
p.shutdown(); |
278 |
jsr166 |
1.95 |
// Pool is shutdown, but not yet terminated |
279 |
|
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assertTaskSubmissionsAreRejected(p); |
280 |
|
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assertFalse(p.isTerminated()); |
281 |
dl |
1.1 |
|
282 |
jsr166 |
1.95 |
done.countDown(); // release blocking tasks |
283 |
|
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assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
284 |
jsr166 |
1.22 |
|
285 |
jsr166 |
1.95 |
assertTaskSubmissionsAreRejected(p); |
286 |
jsr166 |
1.22 |
} |
287 |
jsr166 |
1.95 |
assertEquals(p.getCorePoolSize(), p.getCompletedTaskCount()); |
288 |
dl |
1.1 |
} |
289 |
|
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|
290 |
|
|
/** |
291 |
jsr166 |
1.32 |
* getActiveCount increases but doesn't overestimate, when a |
292 |
|
|
* thread becomes active |
293 |
dl |
1.2 |
*/ |
294 |
jsr166 |
1.25 |
public void testGetActiveCount() throws InterruptedException { |
295 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
296 |
jsr166 |
1.33 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
297 |
jsr166 |
1.73 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
298 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
299 |
jsr166 |
1.33 |
assertEquals(0, p.getActiveCount()); |
300 |
|
|
p.execute(new CheckedRunnable() { |
301 |
|
|
public void realRun() throws InterruptedException { |
302 |
|
|
threadStarted.countDown(); |
303 |
|
|
assertEquals(1, p.getActiveCount()); |
304 |
jsr166 |
1.70 |
await(done); |
305 |
jsr166 |
1.33 |
}}); |
306 |
jsr166 |
1.72 |
await(threadStarted); |
307 |
jsr166 |
1.33 |
assertEquals(1, p.getActiveCount()); |
308 |
|
|
} |
309 |
dl |
1.2 |
} |
310 |
jsr166 |
1.22 |
|
311 |
dl |
1.2 |
/** |
312 |
jsr166 |
1.32 |
* getCompletedTaskCount increases, but doesn't overestimate, |
313 |
|
|
* when tasks complete |
314 |
dl |
1.2 |
*/ |
315 |
jsr166 |
1.25 |
public void testGetCompletedTaskCount() throws InterruptedException { |
316 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(2); |
317 |
jsr166 |
1.62 |
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 |
jsr166 |
1.33 |
assertEquals(0, p.getCompletedTaskCount()); |
322 |
|
|
p.execute(new CheckedRunnable() { |
323 |
|
|
public void realRun() throws InterruptedException { |
324 |
|
|
threadStarted.countDown(); |
325 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
326 |
jsr166 |
1.86 |
await(threadProceed); |
327 |
jsr166 |
1.33 |
threadDone.countDown(); |
328 |
|
|
}}); |
329 |
jsr166 |
1.45 |
await(threadStarted); |
330 |
jsr166 |
1.33 |
assertEquals(0, p.getCompletedTaskCount()); |
331 |
|
|
threadProceed.countDown(); |
332 |
jsr166 |
1.86 |
await(threadDone); |
333 |
jsr166 |
1.44 |
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 |
jsr166 |
1.33 |
} |
340 |
dl |
1.2 |
} |
341 |
jsr166 |
1.22 |
|
342 |
dl |
1.2 |
/** |
343 |
jsr166 |
1.32 |
* getCorePoolSize returns size given in constructor if not otherwise set |
344 |
dl |
1.2 |
*/ |
345 |
jsr166 |
1.25 |
public void testGetCorePoolSize() throws InterruptedException { |
346 |
jsr166 |
1.33 |
ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
347 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
348 |
|
|
assertEquals(1, p.getCorePoolSize()); |
349 |
|
|
} |
350 |
dl |
1.2 |
} |
351 |
jsr166 |
1.22 |
|
352 |
dl |
1.2 |
/** |
353 |
jsr166 |
1.32 |
* getLargestPoolSize increases, but doesn't overestimate, when |
354 |
|
|
* multiple threads active |
355 |
dl |
1.2 |
*/ |
356 |
jsr166 |
1.25 |
public void testGetLargestPoolSize() throws InterruptedException { |
357 |
jsr166 |
1.33 |
final int THREADS = 3; |
358 |
|
|
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(THREADS); |
359 |
|
|
final CountDownLatch threadsStarted = new CountDownLatch(THREADS); |
360 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
361 |
jsr166 |
1.71 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
362 |
jsr166 |
1.33 |
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 |
jsr166 |
1.70 |
await(done); |
368 |
jsr166 |
1.33 |
assertEquals(THREADS, p.getLargestPoolSize()); |
369 |
|
|
}}); |
370 |
jsr166 |
1.71 |
await(threadsStarted); |
371 |
jsr166 |
1.33 |
assertEquals(THREADS, p.getLargestPoolSize()); |
372 |
|
|
} |
373 |
jsr166 |
1.62 |
assertEquals(THREADS, p.getLargestPoolSize()); |
374 |
dl |
1.2 |
} |
375 |
jsr166 |
1.22 |
|
376 |
dl |
1.2 |
/** |
377 |
jsr166 |
1.32 |
* getPoolSize increases, but doesn't overestimate, when threads |
378 |
|
|
* become active |
379 |
dl |
1.2 |
*/ |
380 |
jsr166 |
1.25 |
public void testGetPoolSize() throws InterruptedException { |
381 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
382 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
383 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
384 |
jsr166 |
1.71 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
385 |
jsr166 |
1.33 |
assertEquals(0, p.getPoolSize()); |
386 |
|
|
p.execute(new CheckedRunnable() { |
387 |
|
|
public void realRun() throws InterruptedException { |
388 |
|
|
threadStarted.countDown(); |
389 |
|
|
assertEquals(1, p.getPoolSize()); |
390 |
jsr166 |
1.70 |
await(done); |
391 |
jsr166 |
1.33 |
}}); |
392 |
jsr166 |
1.71 |
await(threadStarted); |
393 |
jsr166 |
1.33 |
assertEquals(1, p.getPoolSize()); |
394 |
|
|
} |
395 |
dl |
1.2 |
} |
396 |
jsr166 |
1.22 |
|
397 |
dl |
1.2 |
/** |
398 |
jsr166 |
1.32 |
* getTaskCount increases, but doesn't overestimate, when tasks |
399 |
|
|
* submitted |
400 |
dl |
1.2 |
*/ |
401 |
jsr166 |
1.25 |
public void testGetTaskCount() throws InterruptedException { |
402 |
jsr166 |
1.65 |
final int TASKS = 3; |
403 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
404 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
405 |
jsr166 |
1.65 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
406 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
407 |
jsr166 |
1.33 |
assertEquals(0, p.getTaskCount()); |
408 |
jsr166 |
1.65 |
assertEquals(0, p.getCompletedTaskCount()); |
409 |
|
|
p.execute(new CheckedRunnable() { |
410 |
|
|
public void realRun() throws InterruptedException { |
411 |
|
|
threadStarted.countDown(); |
412 |
jsr166 |
1.70 |
await(done); |
413 |
jsr166 |
1.65 |
}}); |
414 |
jsr166 |
1.72 |
await(threadStarted); |
415 |
jsr166 |
1.65 |
assertEquals(1, p.getTaskCount()); |
416 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
417 |
|
|
for (int i = 0; i < TASKS; i++) { |
418 |
|
|
assertEquals(1 + i, p.getTaskCount()); |
419 |
jsr166 |
1.33 |
p.execute(new CheckedRunnable() { |
420 |
|
|
public void realRun() throws InterruptedException { |
421 |
|
|
threadStarted.countDown(); |
422 |
jsr166 |
1.65 |
assertEquals(1 + TASKS, p.getTaskCount()); |
423 |
jsr166 |
1.70 |
await(done); |
424 |
jsr166 |
1.33 |
}}); |
425 |
jsr166 |
1.65 |
} |
426 |
|
|
assertEquals(1 + TASKS, p.getTaskCount()); |
427 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
428 |
jsr166 |
1.33 |
} |
429 |
jsr166 |
1.65 |
assertEquals(1 + TASKS, p.getTaskCount()); |
430 |
|
|
assertEquals(1 + TASKS, p.getCompletedTaskCount()); |
431 |
dl |
1.2 |
} |
432 |
dl |
1.8 |
|
433 |
jsr166 |
1.22 |
/** |
434 |
dl |
1.8 |
* getThreadFactory returns factory in constructor if not set |
435 |
|
|
*/ |
436 |
jsr166 |
1.25 |
public void testGetThreadFactory() throws InterruptedException { |
437 |
jsr166 |
1.63 |
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 |
dl |
1.8 |
} |
444 |
|
|
|
445 |
jsr166 |
1.22 |
/** |
446 |
dl |
1.8 |
* setThreadFactory sets the thread factory returned by getThreadFactory |
447 |
|
|
*/ |
448 |
jsr166 |
1.25 |
public void testSetThreadFactory() throws InterruptedException { |
449 |
jsr166 |
1.62 |
ThreadFactory threadFactory = new SimpleThreadFactory(); |
450 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
451 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
452 |
|
|
p.setThreadFactory(threadFactory); |
453 |
|
|
assertSame(threadFactory, p.getThreadFactory()); |
454 |
|
|
} |
455 |
dl |
1.8 |
} |
456 |
|
|
|
457 |
jsr166 |
1.22 |
/** |
458 |
dl |
1.8 |
* setThreadFactory(null) throws NPE |
459 |
|
|
*/ |
460 |
jsr166 |
1.25 |
public void testSetThreadFactoryNull() throws InterruptedException { |
461 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
462 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
463 |
|
|
try { |
464 |
|
|
p.setThreadFactory(null); |
465 |
|
|
shouldThrow(); |
466 |
|
|
} catch (NullPointerException success) {} |
467 |
dl |
1.8 |
} |
468 |
|
|
} |
469 |
jsr166 |
1.22 |
|
470 |
dl |
1.2 |
/** |
471 |
jsr166 |
1.85 |
* 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 |
|
|
|
481 |
|
|
/** |
482 |
jsr166 |
1.41 |
* isShutdown is false before shutdown, true after |
483 |
dl |
1.2 |
*/ |
484 |
dl |
1.5 |
public void testIsShutdown() { |
485 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
486 |
jsr166 |
1.82 |
assertFalse(p.isShutdown()); |
487 |
|
|
try (PoolCleaner cleaner = cleaner(p)) { |
488 |
|
|
try { |
489 |
|
|
p.shutdown(); |
490 |
|
|
assertTrue(p.isShutdown()); |
491 |
|
|
} catch (SecurityException ok) {} |
492 |
dl |
1.2 |
} |
493 |
|
|
} |
494 |
|
|
|
495 |
|
|
/** |
496 |
jsr166 |
1.32 |
* isTerminated is false before termination, true after |
497 |
dl |
1.2 |
*/ |
498 |
jsr166 |
1.25 |
public void testIsTerminated() throws InterruptedException { |
499 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
500 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
501 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
502 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
503 |
|
|
assertFalse(p.isTerminated()); |
504 |
jsr166 |
1.33 |
p.execute(new CheckedRunnable() { |
505 |
|
|
public void realRun() throws InterruptedException { |
506 |
jsr166 |
1.36 |
assertFalse(p.isTerminated()); |
507 |
jsr166 |
1.33 |
threadStarted.countDown(); |
508 |
jsr166 |
1.70 |
await(done); |
509 |
jsr166 |
1.33 |
}}); |
510 |
jsr166 |
1.72 |
await(threadStarted); |
511 |
jsr166 |
1.36 |
assertFalse(p.isTerminating()); |
512 |
jsr166 |
1.33 |
done.countDown(); |
513 |
|
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
514 |
jsr166 |
1.62 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
515 |
|
|
assertTrue(p.isTerminated()); |
516 |
dl |
1.2 |
} |
517 |
dl |
1.5 |
} |
518 |
|
|
|
519 |
|
|
/** |
520 |
jsr166 |
1.32 |
* isTerminating is not true when running or when terminated |
521 |
dl |
1.5 |
*/ |
522 |
jsr166 |
1.25 |
public void testIsTerminating() throws InterruptedException { |
523 |
jsr166 |
1.33 |
final ThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
524 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
525 |
|
|
final CountDownLatch done = new CountDownLatch(1); |
526 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(p)) { |
527 |
jsr166 |
1.33 |
assertFalse(p.isTerminating()); |
528 |
|
|
p.execute(new CheckedRunnable() { |
529 |
|
|
public void realRun() throws InterruptedException { |
530 |
jsr166 |
1.35 |
assertFalse(p.isTerminating()); |
531 |
jsr166 |
1.33 |
threadStarted.countDown(); |
532 |
jsr166 |
1.70 |
await(done); |
533 |
jsr166 |
1.33 |
}}); |
534 |
jsr166 |
1.72 |
await(threadStarted); |
535 |
jsr166 |
1.33 |
assertFalse(p.isTerminating()); |
536 |
|
|
done.countDown(); |
537 |
|
|
try { p.shutdown(); } catch (SecurityException ok) { return; } |
538 |
jsr166 |
1.62 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
539 |
|
|
assertTrue(p.isTerminated()); |
540 |
|
|
assertFalse(p.isTerminating()); |
541 |
jsr166 |
1.33 |
} |
542 |
dl |
1.2 |
} |
543 |
|
|
|
544 |
|
|
/** |
545 |
dl |
1.8 |
* getQueue returns the work queue, which contains queued tasks |
546 |
|
|
*/ |
547 |
jsr166 |
1.25 |
public void testGetQueue() throws InterruptedException { |
548 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
549 |
|
|
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
550 |
|
|
try (PoolCleaner cleaner = cleaner(p, done)) { |
551 |
jsr166 |
1.62 |
final CountDownLatch threadStarted = new CountDownLatch(1); |
552 |
jsr166 |
1.33 |
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 |
jsr166 |
1.70 |
await(done); |
558 |
jsr166 |
1.33 |
}}; |
559 |
|
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
560 |
|
|
} |
561 |
jsr166 |
1.72 |
await(threadStarted); |
562 |
jsr166 |
1.33 |
BlockingQueue<Runnable> q = p.getQueue(); |
563 |
|
|
assertTrue(q.contains(tasks[tasks.length - 1])); |
564 |
dl |
1.8 |
assertFalse(q.contains(tasks[0])); |
565 |
|
|
} |
566 |
|
|
} |
567 |
|
|
|
568 |
|
|
/** |
569 |
|
|
* remove(task) removes queued task, and fails to remove active task |
570 |
|
|
*/ |
571 |
jsr166 |
1.25 |
public void testRemove() throws InterruptedException { |
572 |
jsr166 |
1.73 |
final CountDownLatch done = new CountDownLatch(1); |
573 |
jsr166 |
1.33 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
574 |
jsr166 |
1.73 |
try (PoolCleaner cleaner = cleaner(p, done)) { |
575 |
jsr166 |
1.62 |
ScheduledFuture[] tasks = new ScheduledFuture[5]; |
576 |
|
|
final CountDownLatch threadStarted = new CountDownLatch(1); |
577 |
jsr166 |
1.33 |
for (int i = 0; i < tasks.length; i++) { |
578 |
|
|
Runnable r = new CheckedRunnable() { |
579 |
|
|
public void realRun() throws InterruptedException { |
580 |
|
|
threadStarted.countDown(); |
581 |
jsr166 |
1.70 |
await(done); |
582 |
jsr166 |
1.33 |
}}; |
583 |
|
|
tasks[i] = p.schedule(r, 1, MILLISECONDS); |
584 |
|
|
} |
585 |
jsr166 |
1.72 |
await(threadStarted); |
586 |
jsr166 |
1.33 |
BlockingQueue<Runnable> q = p.getQueue(); |
587 |
|
|
assertFalse(p.remove((Runnable)tasks[0])); |
588 |
dl |
1.8 |
assertTrue(q.contains((Runnable)tasks[4])); |
589 |
|
|
assertTrue(q.contains((Runnable)tasks[3])); |
590 |
jsr166 |
1.33 |
assertTrue(p.remove((Runnable)tasks[4])); |
591 |
|
|
assertFalse(p.remove((Runnable)tasks[4])); |
592 |
dl |
1.8 |
assertFalse(q.contains((Runnable)tasks[4])); |
593 |
|
|
assertTrue(q.contains((Runnable)tasks[3])); |
594 |
jsr166 |
1.33 |
assertTrue(p.remove((Runnable)tasks[3])); |
595 |
dl |
1.8 |
assertFalse(q.contains((Runnable)tasks[3])); |
596 |
|
|
} |
597 |
|
|
} |
598 |
|
|
|
599 |
|
|
/** |
600 |
jsr166 |
1.40 |
* purge eventually removes cancelled tasks from the queue |
601 |
dl |
1.2 |
*/ |
602 |
jsr166 |
1.25 |
public void testPurge() throws InterruptedException { |
603 |
jsr166 |
1.66 |
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(new SmallPossiblyInterruptedRunnable(), |
611 |
|
|
LONG_DELAY_MS, MILLISECONDS); |
612 |
jsr166 |
1.33 |
int max = tasks.length; |
613 |
dl |
1.19 |
if (tasks[4].cancel(true)) --max; |
614 |
|
|
if (tasks[3].cancel(true)) --max; |
615 |
|
|
// There must eventually be an interference-free point at |
616 |
|
|
// which purge will not fail. (At worst, when queue is empty.) |
617 |
jsr166 |
1.40 |
long startTime = System.nanoTime(); |
618 |
|
|
do { |
619 |
jsr166 |
1.33 |
p.purge(); |
620 |
|
|
long count = p.getTaskCount(); |
621 |
jsr166 |
1.40 |
if (count == max) |
622 |
|
|
return; |
623 |
jsr166 |
1.66 |
} while (millisElapsedSince(startTime) < LONG_DELAY_MS); |
624 |
jsr166 |
1.40 |
fail("Purge failed to remove cancelled tasks"); |
625 |
dl |
1.2 |
} |
626 |
|
|
} |
627 |
|
|
|
628 |
|
|
/** |
629 |
jsr166 |
1.53 |
* shutdownNow returns a list containing tasks that were not run, |
630 |
|
|
* and those tasks are drained from the queue |
631 |
dl |
1.2 |
*/ |
632 |
jsr166 |
1.56 |
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 |
jsr166 |
1.64 |
final CountDownLatch threadsStarted = new CountDownLatch(poolSize); |
639 |
jsr166 |
1.58 |
Runnable waiter = new CheckedRunnable() { public void realRun() { |
640 |
jsr166 |
1.56 |
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 |
jsr166 |
1.71 |
await(threadsStarted); |
649 |
jsr166 |
1.57 |
assertEquals(poolSize, p.getActiveCount()); |
650 |
|
|
assertEquals(0, p.getCompletedTaskCount()); |
651 |
jsr166 |
1.56 |
final List<Runnable> queuedTasks; |
652 |
|
|
try { |
653 |
|
|
queuedTasks = p.shutdownNow(); |
654 |
|
|
} catch (SecurityException ok) { |
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 |
jsr166 |
1.57 |
assertEquals(poolSize, p.getCompletedTaskCount()); |
664 |
jsr166 |
1.56 |
} |
665 |
|
|
|
666 |
|
|
/** |
667 |
|
|
* shutdownNow returns a list containing tasks that were not run, |
668 |
|
|
* and those tasks are drained from the queue |
669 |
|
|
*/ |
670 |
jsr166 |
1.54 |
public void testShutdownNow_delayedTasks() throws InterruptedException { |
671 |
jsr166 |
1.73 |
final ScheduledThreadPoolExecutor p = new ScheduledThreadPoolExecutor(1); |
672 |
jsr166 |
1.54 |
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 |
jsr166 |
1.55 |
if (testImplementationDetails) |
680 |
|
|
assertEquals(new HashSet(tasks), new HashSet(p.getQueue())); |
681 |
jsr166 |
1.54 |
final List<Runnable> queuedTasks; |
682 |
dl |
1.17 |
try { |
683 |
jsr166 |
1.54 |
queuedTasks = p.shutdownNow(); |
684 |
jsr166 |
1.22 |
} catch (SecurityException ok) { |
685 |
jsr166 |
1.54 |
return; // Allowed in case test doesn't have privs |
686 |
|
|
} |
687 |
|
|
assertTrue(p.isShutdown()); |
688 |
|
|
assertTrue(p.getQueue().isEmpty()); |
689 |
jsr166 |
1.55 |
if (testImplementationDetails) |
690 |
|
|
assertEquals(new HashSet(tasks), new HashSet(queuedTasks)); |
691 |
jsr166 |
1.54 |
assertEquals(tasks.size(), queuedTasks.size()); |
692 |
|
|
for (ScheduledFuture task : tasks) { |
693 |
|
|
assertFalse(task.isDone()); |
694 |
|
|
assertFalse(task.isCancelled()); |
695 |
dl |
1.17 |
} |
696 |
jsr166 |
1.54 |
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
697 |
|
|
assertTrue(p.isTerminated()); |
698 |
dl |
1.2 |
} |
699 |
|
|
|
700 |
dl |
1.5 |
/** |
701 |
jsr166 |
1.58 |
* 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 |
jsr166 |
1.95 |
@SuppressWarnings("FutureReturnValueIgnored") |
708 |
jsr166 |
1.58 |
public void testShutdown_cancellation() throws Exception { |
709 |
jsr166 |
1.92 |
final int poolSize = 4; |
710 |
jsr166 |
1.58 |
final ScheduledThreadPoolExecutor p |
711 |
|
|
= new ScheduledThreadPoolExecutor(poolSize); |
712 |
jsr166 |
1.89 |
final BlockingQueue<Runnable> q = p.getQueue(); |
713 |
jsr166 |
1.88 |
final ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
714 |
jsr166 |
1.92 |
final long delay = rnd.nextInt(2); |
715 |
|
|
final int rounds = rnd.nextInt(1, 3); |
716 |
jsr166 |
1.88 |
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 |
jsr166 |
1.58 |
assertEquals(effectiveDelayedPolicy, |
726 |
|
|
p.getExecuteExistingDelayedTasksAfterShutdownPolicy()); |
727 |
jsr166 |
1.88 |
|
728 |
|
|
if (rnd.nextBoolean()) |
729 |
|
|
p.setContinueExistingPeriodicTasksAfterShutdownPolicy( |
730 |
|
|
effectivePeriodicPolicy = rnd.nextBoolean()); |
731 |
|
|
else |
732 |
|
|
effectivePeriodicPolicy = false; |
733 |
jsr166 |
1.58 |
assertEquals(effectivePeriodicPolicy, |
734 |
|
|
p.getContinueExistingPeriodicTasksAfterShutdownPolicy()); |
735 |
jsr166 |
1.88 |
|
736 |
|
|
if (rnd.nextBoolean()) |
737 |
|
|
p.setRemoveOnCancelPolicy( |
738 |
|
|
effectiveRemovePolicy = rnd.nextBoolean()); |
739 |
|
|
else |
740 |
|
|
effectiveRemovePolicy = false; |
741 |
jsr166 |
1.58 |
assertEquals(effectiveRemovePolicy, |
742 |
|
|
p.getRemoveOnCancelPolicy()); |
743 |
jsr166 |
1.88 |
|
744 |
jsr166 |
1.90 |
final boolean periodicTasksContinue = effectivePeriodicPolicy && rnd.nextBoolean(); |
745 |
jsr166 |
1.89 |
|
746 |
|
|
// Strategy: Wedge the pool with one wave of "blocker" tasks, |
747 |
jsr166 |
1.90 |
// then add a second wave that waits in the queue until unblocked. |
748 |
jsr166 |
1.58 |
final AtomicInteger ran = new AtomicInteger(0); |
749 |
|
|
final CountDownLatch poolBlocked = new CountDownLatch(poolSize); |
750 |
|
|
final CountDownLatch unblock = new CountDownLatch(1); |
751 |
jsr166 |
1.90 |
final RuntimeException exception = new RuntimeException(); |
752 |
jsr166 |
1.89 |
|
753 |
jsr166 |
1.90 |
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 |
jsr166 |
1.89 |
} |
761 |
|
|
} |
762 |
|
|
|
763 |
|
|
class PeriodicTask extends Task { |
764 |
|
|
PeriodicTask(int rounds) { this.rounds = rounds; } |
765 |
|
|
int rounds; |
766 |
jsr166 |
1.90 |
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 |
jsr166 |
1.89 |
} |
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 |
jsr166 |
1.92 |
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 |
jsr166 |
1.89 |
|
787 |
jsr166 |
1.86 |
await(poolBlocked); |
788 |
jsr166 |
1.58 |
|
789 |
jsr166 |
1.89 |
assertEquals(poolSize, ran.get()); |
790 |
jsr166 |
1.91 |
assertEquals(poolSize, p.getActiveCount()); |
791 |
jsr166 |
1.89 |
assertTrue(q.isEmpty()); |
792 |
|
|
|
793 |
|
|
// Add second wave of tasks. |
794 |
|
|
immediates.add(p.submit(task)); |
795 |
jsr166 |
1.92 |
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 |
jsr166 |
1.89 |
|
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(c -> c.stream()) |
808 |
|
|
.forEach(f -> assertFalse(f.isDone())); |
809 |
jsr166 |
1.22 |
|
810 |
jsr166 |
1.33 |
try { p.shutdown(); } catch (SecurityException ok) { return; } |
811 |
jsr166 |
1.58 |
assertTrue(p.isShutdown()); |
812 |
jsr166 |
1.89 |
assertTrue(p.isTerminating()); |
813 |
jsr166 |
1.58 |
assertFalse(p.isTerminated()); |
814 |
jsr166 |
1.89 |
|
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 |
jsr166 |
1.92 |
^ q.containsAll(periodics.subList(2, 4))); |
830 |
jsr166 |
1.89 |
|
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 |
jsr166 |
1.91 |
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 |
jsr166 |
1.92 |
periodics.subList(0, 2).forEach(f -> assertFalse(f.isDone())); |
850 |
|
|
periodics.subList(2, 4).forEach(f -> assertTrue(f.isCancelled())); |
851 |
jsr166 |
1.58 |
} |
852 |
jsr166 |
1.89 |
|
853 |
jsr166 |
1.87 |
unblock.countDown(); // Release all pool threads |
854 |
jsr166 |
1.58 |
|
855 |
|
|
assertTrue(p.awaitTermination(LONG_DELAY_MS, MILLISECONDS)); |
856 |
jsr166 |
1.89 |
assertFalse(p.isTerminating()); |
857 |
jsr166 |
1.33 |
assertTrue(p.isTerminated()); |
858 |
jsr166 |
1.87 |
|
859 |
jsr166 |
1.89 |
assertTrue(q.isEmpty()); |
860 |
|
|
|
861 |
jsr166 |
1.90 |
Stream.of(immediates, delayeds, periodics).flatMap(c -> c.stream()) |
862 |
|
|
.forEach(f -> assertTrue(f.isDone())); |
863 |
|
|
|
864 |
jsr166 |
1.89 |
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 |
jsr166 |
1.90 |
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 |
jsr166 |
1.89 |
|
884 |
jsr166 |
1.90 |
assertEquals(poolSize + 1 |
885 |
|
|
+ (effectiveDelayedPolicy ? 1 : 0) |
886 |
jsr166 |
1.92 |
+ (periodicTasksContinue ? 2 : 0), |
887 |
jsr166 |
1.90 |
ran.get()); |
888 |
jsr166 |
1.88 |
} |
889 |
dl |
1.1 |
|
890 |
dl |
1.10 |
/** |
891 |
|
|
* completed submit of callable returns result |
892 |
|
|
*/ |
893 |
jsr166 |
1.25 |
public void testSubmitCallable() throws Exception { |
894 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
895 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
896 |
dl |
1.10 |
Future<String> future = e.submit(new StringTask()); |
897 |
|
|
String result = future.get(); |
898 |
|
|
assertSame(TEST_STRING, result); |
899 |
|
|
} |
900 |
|
|
} |
901 |
|
|
|
902 |
|
|
/** |
903 |
|
|
* completed submit of runnable returns successfully |
904 |
|
|
*/ |
905 |
jsr166 |
1.25 |
public void testSubmitRunnable() throws Exception { |
906 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
907 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
908 |
dl |
1.10 |
Future<?> future = e.submit(new NoOpRunnable()); |
909 |
|
|
future.get(); |
910 |
|
|
assertTrue(future.isDone()); |
911 |
|
|
} |
912 |
|
|
} |
913 |
|
|
|
914 |
|
|
/** |
915 |
|
|
* completed submit of (runnable, result) returns result |
916 |
|
|
*/ |
917 |
jsr166 |
1.25 |
public void testSubmitRunnable2() throws Exception { |
918 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
919 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
920 |
dl |
1.10 |
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
921 |
|
|
String result = future.get(); |
922 |
|
|
assertSame(TEST_STRING, result); |
923 |
|
|
} |
924 |
|
|
} |
925 |
|
|
|
926 |
|
|
/** |
927 |
jsr166 |
1.94 |
* invokeAny(null) throws NullPointerException |
928 |
dl |
1.10 |
*/ |
929 |
jsr166 |
1.25 |
public void testInvokeAny1() throws Exception { |
930 |
jsr166 |
1.62 |
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 |
dl |
1.10 |
} |
937 |
|
|
} |
938 |
|
|
|
939 |
|
|
/** |
940 |
jsr166 |
1.94 |
* invokeAny(empty collection) throws IllegalArgumentException |
941 |
dl |
1.10 |
*/ |
942 |
jsr166 |
1.25 |
public void testInvokeAny2() throws Exception { |
943 |
jsr166 |
1.62 |
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 |
dl |
1.10 |
} |
950 |
|
|
} |
951 |
|
|
|
952 |
|
|
/** |
953 |
jsr166 |
1.94 |
* invokeAny(c) throws NullPointerException if c has null elements |
954 |
dl |
1.10 |
*/ |
955 |
jsr166 |
1.25 |
public void testInvokeAny3() throws Exception { |
956 |
jsr166 |
1.29 |
CountDownLatch latch = new CountDownLatch(1); |
957 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
958 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
959 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
960 |
jsr166 |
1.62 |
l.add(latchAwaitingStringTask(latch)); |
961 |
|
|
l.add(null); |
962 |
|
|
try { |
963 |
|
|
e.invokeAny(l); |
964 |
|
|
shouldThrow(); |
965 |
|
|
} catch (NullPointerException success) {} |
966 |
jsr166 |
1.25 |
latch.countDown(); |
967 |
dl |
1.10 |
} |
968 |
|
|
} |
969 |
|
|
|
970 |
|
|
/** |
971 |
|
|
* invokeAny(c) throws ExecutionException if no task completes |
972 |
|
|
*/ |
973 |
jsr166 |
1.25 |
public void testInvokeAny4() throws Exception { |
974 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
975 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
976 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
977 |
jsr166 |
1.62 |
l.add(new NPETask()); |
978 |
|
|
try { |
979 |
|
|
e.invokeAny(l); |
980 |
|
|
shouldThrow(); |
981 |
|
|
} catch (ExecutionException success) { |
982 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
983 |
|
|
} |
984 |
dl |
1.10 |
} |
985 |
|
|
} |
986 |
|
|
|
987 |
|
|
/** |
988 |
|
|
* invokeAny(c) returns result of some task |
989 |
|
|
*/ |
990 |
jsr166 |
1.25 |
public void testInvokeAny5() 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 |
dl |
1.10 |
l.add(new StringTask()); |
995 |
|
|
l.add(new StringTask()); |
996 |
|
|
String result = e.invokeAny(l); |
997 |
|
|
assertSame(TEST_STRING, result); |
998 |
|
|
} |
999 |
|
|
} |
1000 |
|
|
|
1001 |
|
|
/** |
1002 |
|
|
* invokeAll(null) throws NPE |
1003 |
|
|
*/ |
1004 |
jsr166 |
1.25 |
public void testInvokeAll1() throws Exception { |
1005 |
jsr166 |
1.62 |
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 |
dl |
1.10 |
} |
1012 |
|
|
} |
1013 |
|
|
|
1014 |
|
|
/** |
1015 |
jsr166 |
1.94 |
* invokeAll(empty collection) returns empty list |
1016 |
dl |
1.10 |
*/ |
1017 |
jsr166 |
1.25 |
public void testInvokeAll2() throws Exception { |
1018 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1019 |
jsr166 |
1.94 |
final Collection<Callable<String>> emptyCollection |
1020 |
|
|
= Collections.emptyList(); |
1021 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(e)) { |
1022 |
jsr166 |
1.94 |
List<Future<String>> r = e.invokeAll(emptyCollection); |
1023 |
dl |
1.10 |
assertTrue(r.isEmpty()); |
1024 |
|
|
} |
1025 |
|
|
} |
1026 |
|
|
|
1027 |
|
|
/** |
1028 |
|
|
* invokeAll(c) throws NPE if c has null elements |
1029 |
|
|
*/ |
1030 |
jsr166 |
1.25 |
public void testInvokeAll3() throws Exception { |
1031 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1032 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1033 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1034 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1035 |
|
|
l.add(null); |
1036 |
|
|
try { |
1037 |
|
|
e.invokeAll(l); |
1038 |
|
|
shouldThrow(); |
1039 |
|
|
} catch (NullPointerException success) {} |
1040 |
dl |
1.10 |
} |
1041 |
|
|
} |
1042 |
|
|
|
1043 |
|
|
/** |
1044 |
|
|
* get of invokeAll(c) throws exception on failed task |
1045 |
|
|
*/ |
1046 |
jsr166 |
1.25 |
public void testInvokeAll4() throws Exception { |
1047 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1048 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1049 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1050 |
jsr166 |
1.62 |
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 |
dl |
1.10 |
} |
1060 |
|
|
} |
1061 |
|
|
|
1062 |
|
|
/** |
1063 |
|
|
* invokeAll(c) returns results of all completed tasks |
1064 |
|
|
*/ |
1065 |
jsr166 |
1.25 |
public void testInvokeAll5() throws Exception { |
1066 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1067 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1068 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1069 |
dl |
1.10 |
l.add(new StringTask()); |
1070 |
|
|
l.add(new StringTask()); |
1071 |
jsr166 |
1.29 |
List<Future<String>> futures = e.invokeAll(l); |
1072 |
|
|
assertEquals(2, futures.size()); |
1073 |
|
|
for (Future<String> future : futures) |
1074 |
jsr166 |
1.25 |
assertSame(TEST_STRING, future.get()); |
1075 |
dl |
1.10 |
} |
1076 |
|
|
} |
1077 |
|
|
|
1078 |
dl |
1.11 |
/** |
1079 |
|
|
* timed invokeAny(null) throws NPE |
1080 |
|
|
*/ |
1081 |
jsr166 |
1.25 |
public void testTimedInvokeAny1() throws Exception { |
1082 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1083 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1084 |
|
|
try { |
1085 |
jsr166 |
1.94 |
e.invokeAny(null, randomTimeout(), randomTimeUnit()); |
1086 |
jsr166 |
1.62 |
shouldThrow(); |
1087 |
|
|
} catch (NullPointerException success) {} |
1088 |
dl |
1.11 |
} |
1089 |
|
|
} |
1090 |
|
|
|
1091 |
|
|
/** |
1092 |
jsr166 |
1.94 |
* timed invokeAny(,,null) throws NullPointerException |
1093 |
dl |
1.11 |
*/ |
1094 |
jsr166 |
1.25 |
public void testTimedInvokeAnyNullTimeUnit() throws Exception { |
1095 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1096 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1097 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1098 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1099 |
|
|
try { |
1100 |
jsr166 |
1.94 |
e.invokeAny(l, randomTimeout(), null); |
1101 |
jsr166 |
1.62 |
shouldThrow(); |
1102 |
|
|
} catch (NullPointerException success) {} |
1103 |
dl |
1.11 |
} |
1104 |
|
|
} |
1105 |
|
|
|
1106 |
|
|
/** |
1107 |
jsr166 |
1.94 |
* timed invokeAny(empty collection) throws IllegalArgumentException |
1108 |
dl |
1.11 |
*/ |
1109 |
jsr166 |
1.25 |
public void testTimedInvokeAny2() throws Exception { |
1110 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1111 |
jsr166 |
1.94 |
final Collection<Callable<String>> emptyCollection |
1112 |
|
|
= Collections.emptyList(); |
1113 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(e)) { |
1114 |
|
|
try { |
1115 |
jsr166 |
1.94 |
e.invokeAny(emptyCollection, randomTimeout(), randomTimeUnit()); |
1116 |
jsr166 |
1.62 |
shouldThrow(); |
1117 |
|
|
} catch (IllegalArgumentException success) {} |
1118 |
dl |
1.11 |
} |
1119 |
|
|
} |
1120 |
|
|
|
1121 |
|
|
/** |
1122 |
|
|
* timed invokeAny(c) throws NPE if c has null elements |
1123 |
|
|
*/ |
1124 |
jsr166 |
1.25 |
public void testTimedInvokeAny3() throws Exception { |
1125 |
jsr166 |
1.29 |
CountDownLatch latch = new CountDownLatch(1); |
1126 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1127 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1128 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1129 |
jsr166 |
1.62 |
l.add(latchAwaitingStringTask(latch)); |
1130 |
|
|
l.add(null); |
1131 |
|
|
try { |
1132 |
jsr166 |
1.94 |
e.invokeAny(l, randomTimeout(), randomTimeUnit()); |
1133 |
jsr166 |
1.62 |
shouldThrow(); |
1134 |
|
|
} catch (NullPointerException success) {} |
1135 |
jsr166 |
1.25 |
latch.countDown(); |
1136 |
dl |
1.11 |
} |
1137 |
|
|
} |
1138 |
|
|
|
1139 |
|
|
/** |
1140 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
1141 |
|
|
*/ |
1142 |
jsr166 |
1.25 |
public void testTimedInvokeAny4() throws Exception { |
1143 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1144 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1145 |
jsr166 |
1.75 |
long startTime = System.nanoTime(); |
1146 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1147 |
jsr166 |
1.62 |
l.add(new NPETask()); |
1148 |
|
|
try { |
1149 |
jsr166 |
1.75 |
e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1150 |
jsr166 |
1.62 |
shouldThrow(); |
1151 |
|
|
} catch (ExecutionException success) { |
1152 |
|
|
assertTrue(success.getCause() instanceof NullPointerException); |
1153 |
|
|
} |
1154 |
jsr166 |
1.75 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1155 |
dl |
1.11 |
} |
1156 |
|
|
} |
1157 |
|
|
|
1158 |
|
|
/** |
1159 |
|
|
* timed invokeAny(c) returns result of some task |
1160 |
|
|
*/ |
1161 |
jsr166 |
1.25 |
public void testTimedInvokeAny5() throws Exception { |
1162 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1163 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1164 |
jsr166 |
1.76 |
long startTime = System.nanoTime(); |
1165 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1166 |
dl |
1.11 |
l.add(new StringTask()); |
1167 |
|
|
l.add(new StringTask()); |
1168 |
jsr166 |
1.76 |
String result = e.invokeAny(l, LONG_DELAY_MS, MILLISECONDS); |
1169 |
dl |
1.11 |
assertSame(TEST_STRING, result); |
1170 |
jsr166 |
1.76 |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS); |
1171 |
dl |
1.11 |
} |
1172 |
|
|
} |
1173 |
|
|
|
1174 |
|
|
/** |
1175 |
|
|
* timed invokeAll(null) throws NPE |
1176 |
|
|
*/ |
1177 |
jsr166 |
1.25 |
public void testTimedInvokeAll1() throws Exception { |
1178 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1179 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1180 |
|
|
try { |
1181 |
jsr166 |
1.94 |
e.invokeAll(null, randomTimeout(), randomTimeUnit()); |
1182 |
jsr166 |
1.62 |
shouldThrow(); |
1183 |
|
|
} catch (NullPointerException success) {} |
1184 |
dl |
1.11 |
} |
1185 |
|
|
} |
1186 |
|
|
|
1187 |
|
|
/** |
1188 |
|
|
* timed invokeAll(,,null) throws NPE |
1189 |
|
|
*/ |
1190 |
jsr166 |
1.25 |
public void testTimedInvokeAllNullTimeUnit() throws Exception { |
1191 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1192 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1193 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1194 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1195 |
|
|
try { |
1196 |
jsr166 |
1.94 |
e.invokeAll(l, randomTimeout(), null); |
1197 |
jsr166 |
1.62 |
shouldThrow(); |
1198 |
|
|
} catch (NullPointerException success) {} |
1199 |
dl |
1.11 |
} |
1200 |
|
|
} |
1201 |
|
|
|
1202 |
|
|
/** |
1203 |
jsr166 |
1.94 |
* timed invokeAll(empty collection) returns empty list |
1204 |
dl |
1.11 |
*/ |
1205 |
jsr166 |
1.25 |
public void testTimedInvokeAll2() throws Exception { |
1206 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1207 |
jsr166 |
1.94 |
final Collection<Callable<String>> emptyCollection |
1208 |
|
|
= Collections.emptyList(); |
1209 |
jsr166 |
1.62 |
try (PoolCleaner cleaner = cleaner(e)) { |
1210 |
jsr166 |
1.94 |
List<Future<String>> r = |
1211 |
|
|
e.invokeAll(emptyCollection, randomTimeout(), randomTimeUnit()); |
1212 |
dl |
1.11 |
assertTrue(r.isEmpty()); |
1213 |
|
|
} |
1214 |
|
|
} |
1215 |
|
|
|
1216 |
|
|
/** |
1217 |
|
|
* timed invokeAll(c) throws NPE if c has null elements |
1218 |
|
|
*/ |
1219 |
jsr166 |
1.25 |
public void testTimedInvokeAll3() throws Exception { |
1220 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1221 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1222 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1223 |
jsr166 |
1.62 |
l.add(new StringTask()); |
1224 |
|
|
l.add(null); |
1225 |
|
|
try { |
1226 |
jsr166 |
1.94 |
e.invokeAll(l, randomTimeout(), randomTimeUnit()); |
1227 |
jsr166 |
1.62 |
shouldThrow(); |
1228 |
|
|
} catch (NullPointerException success) {} |
1229 |
dl |
1.11 |
} |
1230 |
|
|
} |
1231 |
|
|
|
1232 |
|
|
/** |
1233 |
|
|
* get of element of invokeAll(c) throws exception on failed task |
1234 |
|
|
*/ |
1235 |
jsr166 |
1.25 |
public void testTimedInvokeAll4() throws Exception { |
1236 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1237 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1238 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1239 |
jsr166 |
1.62 |
l.add(new NPETask()); |
1240 |
|
|
List<Future<String>> futures = |
1241 |
jsr166 |
1.69 |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1242 |
jsr166 |
1.62 |
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 |
dl |
1.11 |
} |
1250 |
|
|
} |
1251 |
|
|
|
1252 |
|
|
/** |
1253 |
|
|
* timed invokeAll(c) returns results of all completed tasks |
1254 |
|
|
*/ |
1255 |
jsr166 |
1.25 |
public void testTimedInvokeAll5() throws Exception { |
1256 |
jsr166 |
1.62 |
final ExecutorService e = new ScheduledThreadPoolExecutor(2); |
1257 |
|
|
try (PoolCleaner cleaner = cleaner(e)) { |
1258 |
jsr166 |
1.83 |
List<Callable<String>> l = new ArrayList<>(); |
1259 |
dl |
1.11 |
l.add(new StringTask()); |
1260 |
|
|
l.add(new StringTask()); |
1261 |
jsr166 |
1.29 |
List<Future<String>> futures = |
1262 |
jsr166 |
1.59 |
e.invokeAll(l, LONG_DELAY_MS, MILLISECONDS); |
1263 |
jsr166 |
1.29 |
assertEquals(2, futures.size()); |
1264 |
|
|
for (Future<String> future : futures) |
1265 |
jsr166 |
1.25 |
assertSame(TEST_STRING, future.get()); |
1266 |
dl |
1.11 |
} |
1267 |
|
|
} |
1268 |
|
|
|
1269 |
|
|
/** |
1270 |
|
|
* timed invokeAll(c) cancels tasks not completed by timeout |
1271 |
|
|
*/ |
1272 |
jsr166 |
1.25 |
public void testTimedInvokeAll6() throws Exception { |
1273 |
jsr166 |
1.74 |
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 |
jsr166 |
1.52 |
List<Callable<String>> tasks = new ArrayList<>(); |
1283 |
|
|
tasks.add(new StringTask("0")); |
1284 |
jsr166 |
1.74 |
tasks.add(waiter); |
1285 |
jsr166 |
1.52 |
tasks.add(new StringTask("2")); |
1286 |
|
|
long startTime = System.nanoTime(); |
1287 |
|
|
List<Future<String>> futures = |
1288 |
jsr166 |
1.74 |
p.invokeAll(tasks, timeout, MILLISECONDS); |
1289 |
jsr166 |
1.52 |
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 |
dl |
1.11 |
} |
1305 |
|
|
} |
1306 |
|
|
|
1307 |
jsr166 |
1.77 |
/** |
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 |
jsr166 |
1.95 |
@SuppressWarnings("FutureReturnValueIgnored") |
1313 |
jsr166 |
1.77 |
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 |
jsr166 |
1.95 |
final Runnable delayed = () -> { |
1319 |
jsr166 |
1.77 |
delayedDone.countDown(); |
1320 |
jsr166 |
1.95 |
p.submit(() -> immediateDone.countDown()); |
1321 |
|
|
}; |
1322 |
jsr166 |
1.77 |
p.scheduleWithFixedDelay(delayed, 0L, Long.MAX_VALUE, SECONDS); |
1323 |
|
|
await(delayedDone); |
1324 |
|
|
await(immediateDone); |
1325 |
|
|
} |
1326 |
|
|
} |
1327 |
|
|
|
1328 |
dl |
1.1 |
} |