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dl |
1.1 |
/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
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* Expert Group and released to the public domain, as explained at |
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* http://creativecommons.org/licenses/publicdomain |
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*/ |
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import junit.framework.*; |
8 |
jsr166 |
1.25 |
import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.List; |
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dl |
1.20 |
import java.util.concurrent.Executors; |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.AbstractExecutorService; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.RejectedExecutionException; |
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import java.util.concurrent.ForkJoinPool; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.ForkJoinWorkerThread; |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.TimeUnit; |
25 |
jsr166 |
1.24 |
import java.util.concurrent.locks.ReentrantLock; |
26 |
jsr166 |
1.27 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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jsr166 |
1.24 |
import java.security.AccessControlException; |
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import java.security.Policy; |
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import java.security.PrivilegedAction; |
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import java.security.PrivilegedExceptionAction; |
31 |
dl |
1.1 |
|
32 |
jsr166 |
1.3 |
public class ForkJoinPoolTest extends JSR166TestCase { |
33 |
dl |
1.1 |
public static void main(String[] args) { |
34 |
jsr166 |
1.21 |
junit.textui.TestRunner.run(suite()); |
35 |
dl |
1.1 |
} |
36 |
jsr166 |
1.23 |
|
37 |
dl |
1.1 |
public static Test suite() { |
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return new TestSuite(ForkJoinPoolTest.class); |
39 |
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} |
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/** |
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* Testing coverage notes: |
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* |
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* 1. shutdown and related methods are tested via super.joinPool. |
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* |
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* 2. newTaskFor and adapters are tested in submit/invoke tests |
47 |
jsr166 |
1.2 |
* |
48 |
dl |
1.1 |
* 3. We cannot portably test monitoring methods such as |
49 |
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* getStealCount() since they rely ultimately on random task |
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* stealing that may cause tasks not to be stolen/propagated |
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* across threads, especially on uniprocessors. |
52 |
jsr166 |
1.2 |
* |
53 |
dl |
1.1 |
* 4. There are no independently testable ForkJoinWorkerThread |
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* methods, but they are covered here and in task tests. |
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*/ |
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// Some classes to test extension and factory methods |
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
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dl |
1.20 |
volatile int catches = 0; |
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dl |
1.1 |
public void uncaughtException(Thread t, Throwable e) { |
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++catches; |
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} |
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} |
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// to test handlers |
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static class FailingFJWSubclass extends ForkJoinWorkerThread { |
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public FailingFJWSubclass(ForkJoinPool p) { super(p) ; } |
69 |
dl |
1.20 |
protected void onStart() { super.onStart(); throw new Error(); } |
70 |
dl |
1.1 |
} |
71 |
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72 |
jsr166 |
1.6 |
static class FailingThreadFactory |
73 |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
74 |
dl |
1.20 |
volatile int calls = 0; |
75 |
jsr166 |
1.2 |
public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
76 |
dl |
1.1 |
if (++calls > 1) return null; |
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return new FailingFJWSubclass(p); |
78 |
jsr166 |
1.2 |
} |
79 |
dl |
1.1 |
} |
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|
81 |
jsr166 |
1.2 |
static class SubFJP extends ForkJoinPool { // to expose protected |
82 |
dl |
1.1 |
SubFJP() { super(1); } |
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public int drainTasksTo(Collection<? super ForkJoinTask<?>> c) { |
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return super.drainTasksTo(c); |
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} |
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public ForkJoinTask<?> pollSubmission() { |
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return super.pollSubmission(); |
88 |
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} |
89 |
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} |
90 |
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91 |
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static class ManagedLocker implements ForkJoinPool.ManagedBlocker { |
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final ReentrantLock lock; |
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boolean hasLock = false; |
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ManagedLocker(ReentrantLock lock) { this.lock = lock; } |
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public boolean block() { |
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if (!hasLock) |
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lock.lock(); |
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return true; |
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} |
100 |
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public boolean isReleasable() { |
101 |
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return hasLock || (hasLock = lock.tryLock()); |
102 |
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} |
103 |
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} |
104 |
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105 |
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// A simple recursive task for testing |
106 |
jsr166 |
1.2 |
static final class FibTask extends RecursiveTask<Integer> { |
107 |
dl |
1.1 |
final int number; |
108 |
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FibTask(int n) { number = n; } |
109 |
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public Integer compute() { |
110 |
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int n = number; |
111 |
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if (n <= 1) |
112 |
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return n; |
113 |
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FibTask f1 = new FibTask(n - 1); |
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f1.fork(); |
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return (new FibTask(n - 2)).compute() + f1.join(); |
116 |
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} |
117 |
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} |
118 |
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// A failing task for testing |
120 |
jsr166 |
1.2 |
static final class FailingTask extends ForkJoinTask<Void> { |
121 |
dl |
1.1 |
public final Void getRawResult() { return null; } |
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protected final void setRawResult(Void mustBeNull) { } |
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protected final boolean exec() { throw new Error(); } |
124 |
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FailingTask() {} |
125 |
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} |
126 |
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127 |
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// Fib needlessly using locking to test ManagedBlockers |
128 |
jsr166 |
1.2 |
static final class LockingFibTask extends RecursiveTask<Integer> { |
129 |
dl |
1.1 |
final int number; |
130 |
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final ManagedLocker locker; |
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final ReentrantLock lock; |
132 |
jsr166 |
1.2 |
LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) { |
133 |
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number = n; |
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dl |
1.1 |
this.locker = locker; |
135 |
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this.lock = lock; |
136 |
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} |
137 |
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public Integer compute() { |
138 |
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int n; |
139 |
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LockingFibTask f1 = null; |
140 |
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LockingFibTask f2 = null; |
141 |
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locker.block(); |
142 |
jsr166 |
1.2 |
n = number; |
143 |
dl |
1.1 |
if (n > 1) { |
144 |
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f1 = new LockingFibTask(n - 1, locker, lock); |
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f2 = new LockingFibTask(n - 2, locker, lock); |
146 |
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} |
147 |
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lock.unlock(); |
148 |
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if (n <= 1) |
149 |
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return n; |
150 |
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else { |
151 |
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f1.fork(); |
152 |
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return f2.compute() + f1.join(); |
153 |
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} |
154 |
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} |
155 |
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} |
156 |
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157 |
jsr166 |
1.2 |
/** |
158 |
jsr166 |
1.5 |
* Successfully constructed pool reports default factory, |
159 |
dl |
1.1 |
* parallelism and async mode policies, no active threads or |
160 |
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* tasks, and quiescent running state. |
161 |
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*/ |
162 |
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public void testDefaultInitialState() { |
163 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
164 |
dl |
1.1 |
try { |
165 |
jsr166 |
1.26 |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
166 |
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p.getFactory()); |
167 |
dl |
1.1 |
assertTrue(p.isQuiescent()); |
168 |
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assertFalse(p.getAsyncMode()); |
169 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
170 |
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assertEquals(0, p.getStealCount()); |
171 |
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assertEquals(0, p.getQueuedTaskCount()); |
172 |
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assertEquals(0, p.getQueuedSubmissionCount()); |
173 |
dl |
1.1 |
assertFalse(p.hasQueuedSubmissions()); |
174 |
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assertFalse(p.isShutdown()); |
175 |
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assertFalse(p.isTerminating()); |
176 |
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assertFalse(p.isTerminated()); |
177 |
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} finally { |
178 |
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joinPool(p); |
179 |
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} |
180 |
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} |
181 |
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|
182 |
jsr166 |
1.2 |
/** |
183 |
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* Constructor throws if size argument is less than zero |
184 |
dl |
1.1 |
*/ |
185 |
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public void testConstructor1() { |
186 |
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try { |
187 |
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new ForkJoinPool(-1); |
188 |
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shouldThrow(); |
189 |
jsr166 |
1.10 |
} catch (IllegalArgumentException success) {} |
190 |
dl |
1.1 |
} |
191 |
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|
192 |
jsr166 |
1.2 |
/** |
193 |
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* Constructor throws if factory argument is null |
194 |
dl |
1.1 |
*/ |
195 |
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public void testConstructor2() { |
196 |
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try { |
197 |
dl |
1.20 |
new ForkJoinPool(1, null, null, false); |
198 |
dl |
1.1 |
shouldThrow(); |
199 |
jsr166 |
1.10 |
} catch (NullPointerException success) {} |
200 |
dl |
1.1 |
} |
201 |
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202 |
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|
203 |
jsr166 |
1.2 |
/** |
204 |
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* getParallelism returns size set in constructor |
205 |
dl |
1.1 |
*/ |
206 |
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public void testGetParallelism() { |
207 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
208 |
dl |
1.1 |
try { |
209 |
jsr166 |
1.26 |
assertEquals(1, p.getParallelism()); |
210 |
dl |
1.1 |
} finally { |
211 |
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joinPool(p); |
212 |
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} |
213 |
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} |
214 |
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|
215 |
jsr166 |
1.2 |
/** |
216 |
dl |
1.1 |
* getPoolSize returns number of started workers. |
217 |
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*/ |
218 |
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public void testGetPoolSize() { |
219 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
220 |
dl |
1.1 |
try { |
221 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
222 |
dl |
1.1 |
Future<String> future = p.submit(new StringTask()); |
223 |
jsr166 |
1.26 |
assertEquals(1, p.getPoolSize()); |
224 |
dl |
1.1 |
} finally { |
225 |
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joinPool(p); |
226 |
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} |
227 |
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} |
228 |
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|
229 |
jsr166 |
1.2 |
/** |
230 |
dl |
1.1 |
* setUncaughtExceptionHandler changes handler for uncaught exceptions. |
231 |
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* |
232 |
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* Additionally tests: Overriding ForkJoinWorkerThread.onStart |
233 |
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* performs its defined action |
234 |
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*/ |
235 |
jsr166 |
1.6 |
public void testSetUncaughtExceptionHandler() throws InterruptedException { |
236 |
jsr166 |
1.29 |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
237 |
jsr166 |
1.27 |
final Thread.UncaughtExceptionHandler eh = |
238 |
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new Thread.UncaughtExceptionHandler() { |
239 |
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public void uncaughtException(Thread t, Throwable e) { |
240 |
jsr166 |
1.29 |
uehInvoked.countDown(); |
241 |
jsr166 |
1.27 |
}}; |
242 |
jsr166 |
1.26 |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
243 |
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eh, false); |
244 |
dl |
1.1 |
try { |
245 |
jsr166 |
1.26 |
assertSame(eh, p.getUncaughtExceptionHandler()); |
246 |
jsr166 |
1.29 |
p.execute(new FibTask(8)); |
247 |
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assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
248 |
dl |
1.1 |
} finally { |
249 |
dl |
1.28 |
p.shutdownNow(); // failure might have prevented processing task |
250 |
dl |
1.1 |
joinPool(p); |
251 |
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} |
252 |
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} |
253 |
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|
254 |
jsr166 |
1.2 |
/** |
255 |
dl |
1.1 |
* After invoking a single task, isQuiescent is true, |
256 |
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* queues are empty, threads are not active, and |
257 |
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* construction parameters continue to hold |
258 |
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*/ |
259 |
jsr166 |
1.6 |
public void testisQuiescent() throws InterruptedException { |
260 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(2); |
261 |
dl |
1.1 |
try { |
262 |
jsr166 |
1.30 |
assertTrue(p.isQuiescent()); |
263 |
dl |
1.1 |
p.invoke(new FibTask(20)); |
264 |
jsr166 |
1.26 |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
265 |
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p.getFactory()); |
266 |
jsr166 |
1.30 |
Thread.sleep(SMALL_DELAY_MS); |
267 |
dl |
1.1 |
assertTrue(p.isQuiescent()); |
268 |
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assertFalse(p.getAsyncMode()); |
269 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
270 |
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assertEquals(0, p.getQueuedTaskCount()); |
271 |
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assertEquals(0, p.getQueuedSubmissionCount()); |
272 |
dl |
1.1 |
assertFalse(p.hasQueuedSubmissions()); |
273 |
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assertFalse(p.isShutdown()); |
274 |
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assertFalse(p.isTerminating()); |
275 |
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assertFalse(p.isTerminated()); |
276 |
|
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} finally { |
277 |
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joinPool(p); |
278 |
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} |
279 |
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} |
280 |
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281 |
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/** |
282 |
|
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* Completed submit(ForkJoinTask) returns result |
283 |
|
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*/ |
284 |
jsr166 |
1.6 |
public void testSubmitForkJoinTask() throws Throwable { |
285 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
286 |
dl |
1.1 |
try { |
287 |
|
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ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
288 |
jsr166 |
1.26 |
assertEquals(21, (int) f.get()); |
289 |
dl |
1.1 |
} finally { |
290 |
|
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joinPool(p); |
291 |
|
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} |
292 |
|
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} |
293 |
|
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|
294 |
|
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/** |
295 |
|
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* A task submitted after shutdown is rejected |
296 |
|
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*/ |
297 |
|
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public void testSubmitAfterShutdown() { |
298 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
299 |
dl |
1.1 |
try { |
300 |
|
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p.shutdown(); |
301 |
|
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assertTrue(p.isShutdown()); |
302 |
jsr166 |
1.26 |
try { |
303 |
|
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ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
304 |
|
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shouldThrow(); |
305 |
|
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} catch (RejectedExecutionException success) {} |
306 |
dl |
1.1 |
} finally { |
307 |
|
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joinPool(p); |
308 |
|
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} |
309 |
|
|
} |
310 |
|
|
|
311 |
|
|
/** |
312 |
|
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* Pool maintains parallelism when using ManagedBlocker |
313 |
|
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*/ |
314 |
jsr166 |
1.6 |
public void testBlockingForkJoinTask() throws Throwable { |
315 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(4); |
316 |
dl |
1.1 |
try { |
317 |
|
|
ReentrantLock lock = new ReentrantLock(); |
318 |
|
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ManagedLocker locker = new ManagedLocker(lock); |
319 |
|
|
ForkJoinTask<Integer> f = new LockingFibTask(30, locker, lock); |
320 |
|
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p.execute(f); |
321 |
jsr166 |
1.26 |
assertEquals(832040, (int) f.get()); |
322 |
dl |
1.1 |
} finally { |
323 |
dl |
1.7 |
p.shutdownNow(); // don't wait out shutdown |
324 |
dl |
1.1 |
} |
325 |
|
|
} |
326 |
|
|
|
327 |
|
|
/** |
328 |
|
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* pollSubmission returns unexecuted submitted task, if present |
329 |
|
|
*/ |
330 |
|
|
public void testPollSubmission() { |
331 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
332 |
dl |
1.1 |
try { |
333 |
|
|
ForkJoinTask a = p.submit(new MediumRunnable()); |
334 |
|
|
ForkJoinTask b = p.submit(new MediumRunnable()); |
335 |
|
|
ForkJoinTask c = p.submit(new MediumRunnable()); |
336 |
|
|
ForkJoinTask r = p.pollSubmission(); |
337 |
|
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assertTrue(r == a || r == b || r == c); |
338 |
|
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assertFalse(r.isDone()); |
339 |
|
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} finally { |
340 |
|
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joinPool(p); |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
|
|
344 |
|
|
/** |
345 |
|
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
346 |
|
|
*/ |
347 |
|
|
public void testDrainTasksTo() { |
348 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
349 |
dl |
1.1 |
try { |
350 |
|
|
ForkJoinTask a = p.submit(new MediumRunnable()); |
351 |
|
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ForkJoinTask b = p.submit(new MediumRunnable()); |
352 |
|
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ForkJoinTask c = p.submit(new MediumRunnable()); |
353 |
|
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ArrayList<ForkJoinTask> al = new ArrayList(); |
354 |
|
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p.drainTasksTo(al); |
355 |
|
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assertTrue(al.size() > 0); |
356 |
|
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for (ForkJoinTask r : al) { |
357 |
|
|
assertTrue(r == a || r == b || r == c); |
358 |
|
|
assertFalse(r.isDone()); |
359 |
|
|
} |
360 |
|
|
} finally { |
361 |
|
|
joinPool(p); |
362 |
|
|
} |
363 |
|
|
} |
364 |
|
|
|
365 |
jsr166 |
1.2 |
|
366 |
dl |
1.1 |
// FJ Versions of AbstractExecutorService tests |
367 |
|
|
|
368 |
|
|
/** |
369 |
|
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* execute(runnable) runs it to completion |
370 |
|
|
*/ |
371 |
jsr166 |
1.6 |
public void testExecuteRunnable() throws Throwable { |
372 |
|
|
ExecutorService e = new ForkJoinPool(1); |
373 |
jsr166 |
1.23 |
try { |
374 |
|
|
TrackedShortRunnable task = new TrackedShortRunnable(); |
375 |
|
|
assertFalse(task.done); |
376 |
|
|
Future<?> future = e.submit(task); |
377 |
|
|
future.get(); |
378 |
|
|
assertTrue(task.done); |
379 |
|
|
} finally { |
380 |
|
|
joinPool(e); |
381 |
|
|
} |
382 |
dl |
1.1 |
} |
383 |
|
|
|
384 |
|
|
|
385 |
|
|
/** |
386 |
|
|
* Completed submit(callable) returns result |
387 |
|
|
*/ |
388 |
jsr166 |
1.6 |
public void testSubmitCallable() throws Throwable { |
389 |
|
|
ExecutorService e = new ForkJoinPool(1); |
390 |
jsr166 |
1.23 |
try { |
391 |
|
|
Future<String> future = e.submit(new StringTask()); |
392 |
|
|
String result = future.get(); |
393 |
|
|
assertSame(TEST_STRING, result); |
394 |
|
|
} finally { |
395 |
|
|
joinPool(e); |
396 |
|
|
} |
397 |
dl |
1.1 |
} |
398 |
|
|
|
399 |
|
|
/** |
400 |
|
|
* Completed submit(runnable) returns successfully |
401 |
|
|
*/ |
402 |
jsr166 |
1.6 |
public void testSubmitRunnable() throws Throwable { |
403 |
|
|
ExecutorService e = new ForkJoinPool(1); |
404 |
jsr166 |
1.23 |
try { |
405 |
|
|
Future<?> future = e.submit(new NoOpRunnable()); |
406 |
|
|
future.get(); |
407 |
|
|
assertTrue(future.isDone()); |
408 |
|
|
} finally { |
409 |
|
|
joinPool(e); |
410 |
|
|
} |
411 |
dl |
1.1 |
} |
412 |
|
|
|
413 |
|
|
/** |
414 |
|
|
* Completed submit(runnable, result) returns result |
415 |
|
|
*/ |
416 |
jsr166 |
1.6 |
public void testSubmitRunnable2() throws Throwable { |
417 |
|
|
ExecutorService e = new ForkJoinPool(1); |
418 |
jsr166 |
1.23 |
try { |
419 |
|
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
420 |
|
|
String result = future.get(); |
421 |
|
|
assertSame(TEST_STRING, result); |
422 |
|
|
} finally { |
423 |
|
|
joinPool(e); |
424 |
|
|
} |
425 |
dl |
1.1 |
} |
426 |
|
|
|
427 |
dl |
1.20 |
|
428 |
dl |
1.1 |
/** |
429 |
dl |
1.20 |
* A submitted privileged action to completion |
430 |
dl |
1.1 |
*/ |
431 |
jsr166 |
1.6 |
public void testSubmitPrivilegedAction() throws Throwable { |
432 |
dl |
1.20 |
Policy savedPolicy = null; |
433 |
|
|
try { |
434 |
|
|
savedPolicy = Policy.getPolicy(); |
435 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
436 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
437 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
438 |
|
|
Policy.setPolicy(policy); |
439 |
|
|
} catch (AccessControlException ok) { |
440 |
|
|
return; |
441 |
|
|
} |
442 |
jsr166 |
1.23 |
|
443 |
dl |
1.20 |
try { |
444 |
|
|
ExecutorService e = new ForkJoinPool(1); |
445 |
jsr166 |
1.23 |
try { |
446 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
447 |
dl |
1.1 |
public Object run() { |
448 |
|
|
return TEST_STRING; |
449 |
|
|
}})); |
450 |
|
|
|
451 |
jsr166 |
1.23 |
Object result = future.get(); |
452 |
|
|
assertSame(TEST_STRING, result); |
453 |
|
|
} finally { |
454 |
|
|
joinPool(e); |
455 |
|
|
} |
456 |
|
|
} finally { |
457 |
dl |
1.20 |
Policy.setPolicy(savedPolicy); |
458 |
|
|
} |
459 |
dl |
1.1 |
} |
460 |
|
|
|
461 |
|
|
/** |
462 |
dl |
1.20 |
* A submitted a privileged exception action runs to completion |
463 |
dl |
1.1 |
*/ |
464 |
jsr166 |
1.6 |
public void testSubmitPrivilegedExceptionAction() throws Throwable { |
465 |
dl |
1.20 |
Policy savedPolicy = null; |
466 |
|
|
try { |
467 |
|
|
savedPolicy = Policy.getPolicy(); |
468 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
469 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
470 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
471 |
|
|
Policy.setPolicy(policy); |
472 |
|
|
} catch (AccessControlException ok) { |
473 |
|
|
return; |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
try { |
477 |
|
|
ExecutorService e = new ForkJoinPool(1); |
478 |
jsr166 |
1.23 |
try { |
479 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
480 |
dl |
1.1 |
public Object run() { |
481 |
|
|
return TEST_STRING; |
482 |
|
|
}})); |
483 |
|
|
|
484 |
jsr166 |
1.23 |
Object result = future.get(); |
485 |
|
|
assertSame(TEST_STRING, result); |
486 |
|
|
} finally { |
487 |
|
|
joinPool(e); |
488 |
|
|
} |
489 |
|
|
} finally { |
490 |
dl |
1.20 |
Policy.setPolicy(savedPolicy); |
491 |
|
|
} |
492 |
dl |
1.1 |
} |
493 |
|
|
|
494 |
|
|
/** |
495 |
|
|
* A submitted failed privileged exception action reports exception |
496 |
|
|
*/ |
497 |
jsr166 |
1.6 |
public void testSubmitFailedPrivilegedExceptionAction() throws Throwable { |
498 |
dl |
1.20 |
Policy savedPolicy = null; |
499 |
|
|
try { |
500 |
|
|
savedPolicy = Policy.getPolicy(); |
501 |
|
|
AdjustablePolicy policy = new AdjustablePolicy(); |
502 |
|
|
policy.addPermission(new RuntimePermission("getContextClassLoader")); |
503 |
|
|
policy.addPermission(new RuntimePermission("setContextClassLoader")); |
504 |
|
|
Policy.setPolicy(policy); |
505 |
|
|
} catch (AccessControlException ok) { |
506 |
|
|
return; |
507 |
|
|
} |
508 |
|
|
|
509 |
|
|
try { |
510 |
|
|
ExecutorService e = new ForkJoinPool(1); |
511 |
jsr166 |
1.23 |
try { |
512 |
|
|
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
513 |
dl |
1.1 |
public Object run() throws Exception { |
514 |
|
|
throw new IndexOutOfBoundsException(); |
515 |
|
|
}})); |
516 |
|
|
|
517 |
jsr166 |
1.23 |
Object result = future.get(); |
518 |
|
|
shouldThrow(); |
519 |
|
|
} catch (ExecutionException success) { |
520 |
|
|
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
521 |
|
|
} finally { |
522 |
|
|
joinPool(e); |
523 |
|
|
} |
524 |
dl |
1.20 |
} finally { |
525 |
|
|
Policy.setPolicy(savedPolicy); |
526 |
|
|
} |
527 |
dl |
1.1 |
} |
528 |
|
|
|
529 |
|
|
/** |
530 |
jsr166 |
1.6 |
* execute(null runnable) throws NullPointerException |
531 |
dl |
1.1 |
*/ |
532 |
|
|
public void testExecuteNullRunnable() { |
533 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
534 |
jsr166 |
1.26 |
TrackedShortRunnable task = null; |
535 |
dl |
1.1 |
try { |
536 |
|
|
Future<?> future = e.submit(task); |
537 |
|
|
shouldThrow(); |
538 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
539 |
|
|
} finally { |
540 |
|
|
joinPool(e); |
541 |
|
|
} |
542 |
dl |
1.1 |
} |
543 |
|
|
|
544 |
|
|
|
545 |
|
|
/** |
546 |
jsr166 |
1.6 |
* submit(null callable) throws NullPointerException |
547 |
dl |
1.1 |
*/ |
548 |
|
|
public void testSubmitNullCallable() { |
549 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
550 |
jsr166 |
1.26 |
StringTask t = null; |
551 |
dl |
1.1 |
try { |
552 |
|
|
Future<String> future = e.submit(t); |
553 |
|
|
shouldThrow(); |
554 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
555 |
|
|
} finally { |
556 |
|
|
joinPool(e); |
557 |
|
|
} |
558 |
dl |
1.1 |
} |
559 |
|
|
|
560 |
|
|
|
561 |
|
|
/** |
562 |
jsr166 |
1.27 |
* submit(callable).get() throws InterruptedException if interrupted |
563 |
dl |
1.1 |
*/ |
564 |
jsr166 |
1.6 |
public void testInterruptedSubmit() throws InterruptedException { |
565 |
jsr166 |
1.27 |
final CountDownLatch submitted = new CountDownLatch(1); |
566 |
|
|
final CountDownLatch quittingTime = new CountDownLatch(1); |
567 |
|
|
final ExecutorService p = new ForkJoinPool(1); |
568 |
|
|
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
569 |
|
|
public Void realCall() throws InterruptedException { |
570 |
|
|
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
571 |
|
|
return null; |
572 |
|
|
}}; |
573 |
|
|
try { |
574 |
|
|
Thread t = new Thread(new CheckedInterruptedRunnable() { |
575 |
|
|
public void realRun() throws Exception { |
576 |
|
|
Future<Void> future = p.submit(awaiter); |
577 |
|
|
submitted.countDown(); |
578 |
|
|
future.get(); |
579 |
|
|
}}); |
580 |
|
|
t.start(); |
581 |
|
|
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
582 |
|
|
t.interrupt(); |
583 |
|
|
t.join(); |
584 |
|
|
} finally { |
585 |
|
|
quittingTime.countDown(); |
586 |
|
|
joinPool(p); |
587 |
|
|
} |
588 |
dl |
1.1 |
} |
589 |
|
|
|
590 |
|
|
/** |
591 |
jsr166 |
1.4 |
* get of submit(callable) throws ExecutionException if callable |
592 |
|
|
* throws exception |
593 |
dl |
1.1 |
*/ |
594 |
jsr166 |
1.6 |
public void testSubmitEE() throws Throwable { |
595 |
dl |
1.1 |
ForkJoinPool p = new ForkJoinPool(1); |
596 |
|
|
try { |
597 |
jsr166 |
1.8 |
p.submit(new Callable() { |
598 |
|
|
public Object call() { |
599 |
|
|
int i = 5/0; |
600 |
|
|
return Boolean.TRUE; |
601 |
|
|
}}).get(); |
602 |
dl |
1.1 |
shouldThrow(); |
603 |
jsr166 |
1.12 |
} catch (ExecutionException success) { |
604 |
|
|
assertTrue(success.getCause() instanceof ArithmeticException); |
605 |
jsr166 |
1.23 |
} finally { |
606 |
|
|
joinPool(p); |
607 |
jsr166 |
1.12 |
} |
608 |
dl |
1.1 |
} |
609 |
|
|
|
610 |
|
|
/** |
611 |
jsr166 |
1.6 |
* invokeAny(null) throws NullPointerException |
612 |
dl |
1.1 |
*/ |
613 |
jsr166 |
1.6 |
public void testInvokeAny1() throws Throwable { |
614 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
615 |
|
|
try { |
616 |
|
|
e.invokeAny(null); |
617 |
jsr166 |
1.6 |
shouldThrow(); |
618 |
dl |
1.1 |
} catch (NullPointerException success) { |
619 |
|
|
} finally { |
620 |
|
|
joinPool(e); |
621 |
|
|
} |
622 |
|
|
} |
623 |
|
|
|
624 |
|
|
/** |
625 |
jsr166 |
1.6 |
* invokeAny(empty collection) throws IllegalArgumentException |
626 |
dl |
1.1 |
*/ |
627 |
jsr166 |
1.6 |
public void testInvokeAny2() throws Throwable { |
628 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
629 |
|
|
try { |
630 |
|
|
e.invokeAny(new ArrayList<Callable<String>>()); |
631 |
jsr166 |
1.6 |
shouldThrow(); |
632 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
633 |
|
|
} finally { |
634 |
|
|
joinPool(e); |
635 |
|
|
} |
636 |
|
|
} |
637 |
|
|
|
638 |
|
|
/** |
639 |
jsr166 |
1.9 |
* invokeAny(c) throws NullPointerException if c has a single null element |
640 |
|
|
*/ |
641 |
|
|
public void testInvokeAny3() throws Throwable { |
642 |
|
|
ExecutorService e = new ForkJoinPool(1); |
643 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
644 |
|
|
l.add(null); |
645 |
jsr166 |
1.9 |
try { |
646 |
|
|
e.invokeAny(l); |
647 |
|
|
shouldThrow(); |
648 |
|
|
} catch (NullPointerException success) { |
649 |
|
|
} finally { |
650 |
|
|
joinPool(e); |
651 |
|
|
} |
652 |
|
|
} |
653 |
|
|
|
654 |
|
|
/** |
655 |
jsr166 |
1.6 |
* invokeAny(c) throws NullPointerException if c has null elements |
656 |
dl |
1.1 |
*/ |
657 |
jsr166 |
1.9 |
public void testInvokeAny4() throws Throwable { |
658 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
659 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
660 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
661 |
|
|
l.add(latchAwaitingStringTask(latch)); |
662 |
|
|
l.add(null); |
663 |
dl |
1.1 |
try { |
664 |
|
|
e.invokeAny(l); |
665 |
jsr166 |
1.6 |
shouldThrow(); |
666 |
dl |
1.1 |
} catch (NullPointerException success) { |
667 |
|
|
} finally { |
668 |
jsr166 |
1.16 |
latch.countDown(); |
669 |
dl |
1.1 |
joinPool(e); |
670 |
|
|
} |
671 |
|
|
} |
672 |
|
|
|
673 |
|
|
/** |
674 |
|
|
* invokeAny(c) throws ExecutionException if no task in c completes |
675 |
|
|
*/ |
676 |
jsr166 |
1.9 |
public void testInvokeAny5() throws Throwable { |
677 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
678 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
679 |
|
|
l.add(new NPETask()); |
680 |
dl |
1.1 |
try { |
681 |
|
|
e.invokeAny(l); |
682 |
jsr166 |
1.6 |
shouldThrow(); |
683 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
684 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
685 |
dl |
1.1 |
} finally { |
686 |
|
|
joinPool(e); |
687 |
|
|
} |
688 |
|
|
} |
689 |
|
|
|
690 |
|
|
/** |
691 |
|
|
* invokeAny(c) returns result of some task in c if at least one completes |
692 |
|
|
*/ |
693 |
jsr166 |
1.9 |
public void testInvokeAny6() throws Throwable { |
694 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
695 |
|
|
try { |
696 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
697 |
dl |
1.1 |
l.add(new StringTask()); |
698 |
|
|
l.add(new StringTask()); |
699 |
|
|
String result = e.invokeAny(l); |
700 |
|
|
assertSame(TEST_STRING, result); |
701 |
|
|
} finally { |
702 |
|
|
joinPool(e); |
703 |
|
|
} |
704 |
|
|
} |
705 |
|
|
|
706 |
|
|
/** |
707 |
jsr166 |
1.6 |
* invokeAll(null) throws NullPointerException |
708 |
dl |
1.1 |
*/ |
709 |
jsr166 |
1.6 |
public void testInvokeAll1() throws Throwable { |
710 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
711 |
|
|
try { |
712 |
|
|
e.invokeAll(null); |
713 |
jsr166 |
1.6 |
shouldThrow(); |
714 |
dl |
1.1 |
} catch (NullPointerException success) { |
715 |
|
|
} finally { |
716 |
|
|
joinPool(e); |
717 |
|
|
} |
718 |
|
|
} |
719 |
|
|
|
720 |
|
|
/** |
721 |
|
|
* invokeAll(empty collection) returns empty collection |
722 |
|
|
*/ |
723 |
jsr166 |
1.6 |
public void testInvokeAll2() throws InterruptedException { |
724 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
725 |
|
|
try { |
726 |
jsr166 |
1.6 |
List<Future<String>> r |
727 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>()); |
728 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
729 |
|
|
} finally { |
730 |
|
|
joinPool(e); |
731 |
|
|
} |
732 |
|
|
} |
733 |
|
|
|
734 |
|
|
/** |
735 |
jsr166 |
1.6 |
* invokeAll(c) throws NullPointerException if c has null elements |
736 |
dl |
1.1 |
*/ |
737 |
jsr166 |
1.6 |
public void testInvokeAll3() throws InterruptedException { |
738 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
739 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
740 |
|
|
l.add(new StringTask()); |
741 |
|
|
l.add(null); |
742 |
dl |
1.1 |
try { |
743 |
|
|
e.invokeAll(l); |
744 |
jsr166 |
1.6 |
shouldThrow(); |
745 |
dl |
1.1 |
} catch (NullPointerException success) { |
746 |
|
|
} finally { |
747 |
|
|
joinPool(e); |
748 |
|
|
} |
749 |
|
|
} |
750 |
|
|
|
751 |
|
|
/** |
752 |
jsr166 |
1.6 |
* get of returned element of invokeAll(c) throws |
753 |
|
|
* ExecutionException on failed task |
754 |
dl |
1.1 |
*/ |
755 |
jsr166 |
1.6 |
public void testInvokeAll4() throws Throwable { |
756 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
757 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
758 |
|
|
l.add(new NPETask()); |
759 |
|
|
List<Future<String>> futures = e.invokeAll(l); |
760 |
|
|
assertEquals(1, futures.size()); |
761 |
dl |
1.1 |
try { |
762 |
jsr166 |
1.16 |
futures.get(0).get(); |
763 |
jsr166 |
1.6 |
shouldThrow(); |
764 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
765 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
766 |
dl |
1.1 |
} finally { |
767 |
|
|
joinPool(e); |
768 |
|
|
} |
769 |
|
|
} |
770 |
|
|
|
771 |
|
|
/** |
772 |
|
|
* invokeAll(c) returns results of all completed tasks in c |
773 |
|
|
*/ |
774 |
jsr166 |
1.6 |
public void testInvokeAll5() throws Throwable { |
775 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
776 |
|
|
try { |
777 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
778 |
dl |
1.1 |
l.add(new StringTask()); |
779 |
|
|
l.add(new StringTask()); |
780 |
jsr166 |
1.16 |
List<Future<String>> futures = e.invokeAll(l); |
781 |
|
|
assertEquals(2, futures.size()); |
782 |
|
|
for (Future<String> future : futures) |
783 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
784 |
dl |
1.1 |
} finally { |
785 |
|
|
joinPool(e); |
786 |
|
|
} |
787 |
|
|
} |
788 |
|
|
|
789 |
|
|
|
790 |
|
|
/** |
791 |
jsr166 |
1.6 |
* timed invokeAny(null) throws NullPointerException |
792 |
dl |
1.1 |
*/ |
793 |
jsr166 |
1.6 |
public void testTimedInvokeAny1() throws Throwable { |
794 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
795 |
|
|
try { |
796 |
jsr166 |
1.27 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
797 |
jsr166 |
1.6 |
shouldThrow(); |
798 |
dl |
1.1 |
} catch (NullPointerException success) { |
799 |
|
|
} finally { |
800 |
|
|
joinPool(e); |
801 |
|
|
} |
802 |
|
|
} |
803 |
|
|
|
804 |
|
|
/** |
805 |
jsr166 |
1.6 |
* timed invokeAny(null time unit) throws NullPointerException |
806 |
dl |
1.1 |
*/ |
807 |
jsr166 |
1.6 |
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
808 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
809 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
810 |
|
|
l.add(new StringTask()); |
811 |
dl |
1.1 |
try { |
812 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
813 |
jsr166 |
1.6 |
shouldThrow(); |
814 |
dl |
1.1 |
} catch (NullPointerException success) { |
815 |
|
|
} finally { |
816 |
|
|
joinPool(e); |
817 |
|
|
} |
818 |
|
|
} |
819 |
|
|
|
820 |
|
|
/** |
821 |
jsr166 |
1.6 |
* timed invokeAny(empty collection) throws IllegalArgumentException |
822 |
dl |
1.1 |
*/ |
823 |
jsr166 |
1.6 |
public void testTimedInvokeAny2() throws Throwable { |
824 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
825 |
|
|
try { |
826 |
jsr166 |
1.6 |
e.invokeAny(new ArrayList<Callable<String>>(), |
827 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
828 |
jsr166 |
1.6 |
shouldThrow(); |
829 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
830 |
|
|
} finally { |
831 |
|
|
joinPool(e); |
832 |
|
|
} |
833 |
|
|
} |
834 |
|
|
|
835 |
|
|
/** |
836 |
jsr166 |
1.6 |
* timed invokeAny(c) throws NullPointerException if c has null elements |
837 |
dl |
1.1 |
*/ |
838 |
jsr166 |
1.6 |
public void testTimedInvokeAny3() throws Throwable { |
839 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
840 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
841 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
842 |
|
|
l.add(latchAwaitingStringTask(latch)); |
843 |
|
|
l.add(null); |
844 |
dl |
1.1 |
try { |
845 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
846 |
jsr166 |
1.6 |
shouldThrow(); |
847 |
dl |
1.1 |
} catch (NullPointerException success) { |
848 |
|
|
} finally { |
849 |
jsr166 |
1.15 |
latch.countDown(); |
850 |
dl |
1.1 |
joinPool(e); |
851 |
|
|
} |
852 |
|
|
} |
853 |
|
|
|
854 |
|
|
/** |
855 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
856 |
|
|
*/ |
857 |
jsr166 |
1.6 |
public void testTimedInvokeAny4() throws Throwable { |
858 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
859 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
860 |
|
|
l.add(new NPETask()); |
861 |
dl |
1.1 |
try { |
862 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
863 |
jsr166 |
1.6 |
shouldThrow(); |
864 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
865 |
jsr166 |
1.11 |
assertTrue(success.getCause() instanceof NullPointerException); |
866 |
dl |
1.1 |
} finally { |
867 |
|
|
joinPool(e); |
868 |
|
|
} |
869 |
|
|
} |
870 |
|
|
|
871 |
|
|
/** |
872 |
|
|
* timed invokeAny(c) returns result of some task in c |
873 |
|
|
*/ |
874 |
jsr166 |
1.6 |
public void testTimedInvokeAny5() throws Throwable { |
875 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
876 |
|
|
try { |
877 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
878 |
dl |
1.1 |
l.add(new StringTask()); |
879 |
|
|
l.add(new StringTask()); |
880 |
jsr166 |
1.27 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
881 |
dl |
1.1 |
assertSame(TEST_STRING, result); |
882 |
|
|
} finally { |
883 |
|
|
joinPool(e); |
884 |
|
|
} |
885 |
|
|
} |
886 |
|
|
|
887 |
|
|
/** |
888 |
jsr166 |
1.6 |
* timed invokeAll(null) throws NullPointerException |
889 |
dl |
1.1 |
*/ |
890 |
jsr166 |
1.6 |
public void testTimedInvokeAll1() throws Throwable { |
891 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
892 |
|
|
try { |
893 |
jsr166 |
1.27 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
894 |
jsr166 |
1.6 |
shouldThrow(); |
895 |
dl |
1.1 |
} catch (NullPointerException success) { |
896 |
|
|
} finally { |
897 |
|
|
joinPool(e); |
898 |
|
|
} |
899 |
|
|
} |
900 |
|
|
|
901 |
|
|
/** |
902 |
jsr166 |
1.6 |
* timed invokeAll(null time unit) throws NullPointerException |
903 |
dl |
1.1 |
*/ |
904 |
jsr166 |
1.6 |
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
905 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
906 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
907 |
|
|
l.add(new StringTask()); |
908 |
dl |
1.1 |
try { |
909 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
910 |
jsr166 |
1.6 |
shouldThrow(); |
911 |
dl |
1.1 |
} catch (NullPointerException success) { |
912 |
|
|
} finally { |
913 |
|
|
joinPool(e); |
914 |
|
|
} |
915 |
|
|
} |
916 |
|
|
|
917 |
|
|
/** |
918 |
|
|
* timed invokeAll(empty collection) returns empty collection |
919 |
|
|
*/ |
920 |
jsr166 |
1.6 |
public void testTimedInvokeAll2() throws InterruptedException { |
921 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
922 |
|
|
try { |
923 |
jsr166 |
1.6 |
List<Future<String>> r |
924 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>(), |
925 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
926 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
927 |
|
|
} finally { |
928 |
|
|
joinPool(e); |
929 |
|
|
} |
930 |
|
|
} |
931 |
|
|
|
932 |
|
|
/** |
933 |
jsr166 |
1.6 |
* timed invokeAll(c) throws NullPointerException if c has null elements |
934 |
dl |
1.1 |
*/ |
935 |
jsr166 |
1.6 |
public void testTimedInvokeAll3() throws InterruptedException { |
936 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
937 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
938 |
|
|
l.add(new StringTask()); |
939 |
|
|
l.add(null); |
940 |
dl |
1.1 |
try { |
941 |
jsr166 |
1.27 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
942 |
jsr166 |
1.6 |
shouldThrow(); |
943 |
dl |
1.1 |
} catch (NullPointerException success) { |
944 |
|
|
} finally { |
945 |
|
|
joinPool(e); |
946 |
|
|
} |
947 |
|
|
} |
948 |
|
|
|
949 |
|
|
/** |
950 |
|
|
* get of returned element of invokeAll(c) throws exception on failed task |
951 |
|
|
*/ |
952 |
jsr166 |
1.6 |
public void testTimedInvokeAll4() throws Throwable { |
953 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
954 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
955 |
|
|
l.add(new NPETask()); |
956 |
|
|
List<Future<String>> futures |
957 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
958 |
jsr166 |
1.16 |
assertEquals(1, futures.size()); |
959 |
dl |
1.1 |
try { |
960 |
jsr166 |
1.16 |
futures.get(0).get(); |
961 |
jsr166 |
1.6 |
shouldThrow(); |
962 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
963 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
964 |
dl |
1.1 |
} finally { |
965 |
|
|
joinPool(e); |
966 |
|
|
} |
967 |
|
|
} |
968 |
|
|
|
969 |
|
|
/** |
970 |
|
|
* timed invokeAll(c) returns results of all completed tasks in c |
971 |
|
|
*/ |
972 |
jsr166 |
1.6 |
public void testTimedInvokeAll5() throws Throwable { |
973 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
974 |
|
|
try { |
975 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
976 |
dl |
1.1 |
l.add(new StringTask()); |
977 |
|
|
l.add(new StringTask()); |
978 |
jsr166 |
1.16 |
List<Future<String>> futures |
979 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
980 |
jsr166 |
1.16 |
assertEquals(2, futures.size()); |
981 |
|
|
for (Future<String> future : futures) |
982 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
983 |
dl |
1.1 |
} finally { |
984 |
|
|
joinPool(e); |
985 |
|
|
} |
986 |
|
|
} |
987 |
|
|
|
988 |
|
|
} |