1 |
dl |
1.1 |
/* |
2 |
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* 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 |
1.38 |
* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
dl |
1.1 |
*/ |
6 |
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import junit.framework.*; |
8 |
jsr166 |
1.25 |
import java.util.ArrayList; |
9 |
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import java.util.Collection; |
10 |
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import java.util.List; |
11 |
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; |
21 |
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import java.util.concurrent.ForkJoinTask; |
22 |
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import java.util.concurrent.ForkJoinWorkerThread; |
23 |
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import java.util.concurrent.RecursiveTask; |
24 |
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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; |
27 |
jsr166 |
1.24 |
import java.security.AccessControlException; |
28 |
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import java.security.Policy; |
29 |
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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() { |
38 |
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return new TestSuite(ForkJoinPoolTest.class); |
39 |
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} |
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41 |
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/** |
42 |
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* Testing coverage notes: |
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* |
44 |
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* 1. shutdown and related methods are tested via super.joinPool. |
45 |
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* |
46 |
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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 |
50 |
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* stealing that may cause tasks not to be stolen/propagated |
51 |
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* across threads, especially on uniprocessors. |
52 |
jsr166 |
1.2 |
* |
53 |
dl |
1.1 |
* 4. There are no independently testable ForkJoinWorkerThread |
54 |
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* methods, but they are covered here and in task tests. |
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*/ |
56 |
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// Some classes to test extension and factory methods |
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59 |
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
60 |
dl |
1.20 |
volatile int catches = 0; |
61 |
dl |
1.1 |
public void uncaughtException(Thread t, Throwable e) { |
62 |
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++catches; |
63 |
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} |
64 |
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} |
65 |
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// to test handlers |
67 |
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static class FailingFJWSubclass extends ForkJoinWorkerThread { |
68 |
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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; |
77 |
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return new FailingFJWSubclass(p); |
78 |
jsr166 |
1.2 |
} |
79 |
dl |
1.1 |
} |
80 |
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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) { |
84 |
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return super.drainTasksTo(c); |
85 |
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} |
86 |
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public ForkJoinTask<?> pollSubmission() { |
87 |
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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 { |
92 |
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final ReentrantLock lock; |
93 |
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boolean hasLock = false; |
94 |
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ManagedLocker(ReentrantLock lock) { this.lock = lock; } |
95 |
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public boolean block() { |
96 |
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if (!hasLock) |
97 |
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lock.lock(); |
98 |
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return true; |
99 |
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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); |
114 |
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f1.fork(); |
115 |
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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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119 |
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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; } |
122 |
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protected final void setRawResult(Void mustBeNull) { } |
123 |
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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; |
131 |
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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; |
134 |
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); |
145 |
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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 |
assertFalse(p.getAsyncMode()); |
168 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
169 |
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assertEquals(0, p.getStealCount()); |
170 |
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assertEquals(0, p.getQueuedTaskCount()); |
171 |
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assertEquals(0, p.getQueuedSubmissionCount()); |
172 |
dl |
1.1 |
assertFalse(p.hasQueuedSubmissions()); |
173 |
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assertFalse(p.isShutdown()); |
174 |
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assertFalse(p.isTerminating()); |
175 |
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assertFalse(p.isTerminated()); |
176 |
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} finally { |
177 |
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joinPool(p); |
178 |
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} |
179 |
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} |
180 |
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|
181 |
jsr166 |
1.2 |
/** |
182 |
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* Constructor throws if size argument is less than zero |
183 |
dl |
1.1 |
*/ |
184 |
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public void testConstructor1() { |
185 |
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try { |
186 |
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new ForkJoinPool(-1); |
187 |
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shouldThrow(); |
188 |
jsr166 |
1.10 |
} catch (IllegalArgumentException success) {} |
189 |
dl |
1.1 |
} |
190 |
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|
191 |
jsr166 |
1.2 |
/** |
192 |
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* Constructor throws if factory argument is null |
193 |
dl |
1.1 |
*/ |
194 |
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public void testConstructor2() { |
195 |
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try { |
196 |
dl |
1.20 |
new ForkJoinPool(1, null, null, false); |
197 |
dl |
1.1 |
shouldThrow(); |
198 |
jsr166 |
1.10 |
} catch (NullPointerException success) {} |
199 |
dl |
1.1 |
} |
200 |
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|
201 |
jsr166 |
1.2 |
/** |
202 |
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* getParallelism returns size set in constructor |
203 |
dl |
1.1 |
*/ |
204 |
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public void testGetParallelism() { |
205 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
206 |
dl |
1.1 |
try { |
207 |
jsr166 |
1.26 |
assertEquals(1, p.getParallelism()); |
208 |
dl |
1.1 |
} finally { |
209 |
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joinPool(p); |
210 |
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} |
211 |
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} |
212 |
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|
213 |
jsr166 |
1.2 |
/** |
214 |
dl |
1.1 |
* getPoolSize returns number of started workers. |
215 |
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*/ |
216 |
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public void testGetPoolSize() { |
217 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
218 |
dl |
1.1 |
try { |
219 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
220 |
dl |
1.1 |
Future<String> future = p.submit(new StringTask()); |
221 |
jsr166 |
1.26 |
assertEquals(1, p.getPoolSize()); |
222 |
dl |
1.1 |
} finally { |
223 |
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joinPool(p); |
224 |
|
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} |
225 |
|
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} |
226 |
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|
227 |
jsr166 |
1.2 |
/** |
228 |
dl |
1.1 |
* setUncaughtExceptionHandler changes handler for uncaught exceptions. |
229 |
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* |
230 |
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* Additionally tests: Overriding ForkJoinWorkerThread.onStart |
231 |
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* performs its defined action |
232 |
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*/ |
233 |
jsr166 |
1.6 |
public void testSetUncaughtExceptionHandler() throws InterruptedException { |
234 |
jsr166 |
1.29 |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
235 |
jsr166 |
1.27 |
final Thread.UncaughtExceptionHandler eh = |
236 |
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new Thread.UncaughtExceptionHandler() { |
237 |
|
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public void uncaughtException(Thread t, Throwable e) { |
238 |
jsr166 |
1.29 |
uehInvoked.countDown(); |
239 |
jsr166 |
1.27 |
}}; |
240 |
jsr166 |
1.26 |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
241 |
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eh, false); |
242 |
dl |
1.1 |
try { |
243 |
jsr166 |
1.26 |
assertSame(eh, p.getUncaughtExceptionHandler()); |
244 |
jsr166 |
1.29 |
p.execute(new FibTask(8)); |
245 |
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assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
246 |
dl |
1.1 |
} finally { |
247 |
dl |
1.28 |
p.shutdownNow(); // failure might have prevented processing task |
248 |
dl |
1.1 |
joinPool(p); |
249 |
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} |
250 |
|
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} |
251 |
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|
252 |
jsr166 |
1.2 |
/** |
253 |
jsr166 |
1.40 |
* After invoking a single task, isQuiescent eventually becomes |
254 |
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* true, at which time queues are empty, threads are not active, |
255 |
|
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* the task has completed successfully, and construction |
256 |
|
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* parameters continue to hold |
257 |
dl |
1.1 |
*/ |
258 |
jsr166 |
1.40 |
public void testisQuiescent() throws Exception { |
259 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(2); |
260 |
dl |
1.1 |
try { |
261 |
jsr166 |
1.30 |
assertTrue(p.isQuiescent()); |
262 |
jsr166 |
1.40 |
long startTime = System.nanoTime(); |
263 |
|
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FibTask f = new FibTask(20); |
264 |
|
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p.invoke(f); |
265 |
jsr166 |
1.26 |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
266 |
|
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p.getFactory()); |
267 |
jsr166 |
1.40 |
while (! p.isQuiescent()) { |
268 |
|
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if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
269 |
|
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throw new AssertionFailedError("timed out"); |
270 |
|
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assertFalse(p.getAsyncMode()); |
271 |
|
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assertFalse(p.isShutdown()); |
272 |
|
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assertFalse(p.isTerminating()); |
273 |
|
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assertFalse(p.isTerminated()); |
274 |
|
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Thread.yield(); |
275 |
|
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} |
276 |
|
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|
277 |
dl |
1.1 |
assertTrue(p.isQuiescent()); |
278 |
|
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assertFalse(p.getAsyncMode()); |
279 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
280 |
|
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assertEquals(0, p.getQueuedTaskCount()); |
281 |
|
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assertEquals(0, p.getQueuedSubmissionCount()); |
282 |
dl |
1.1 |
assertFalse(p.hasQueuedSubmissions()); |
283 |
|
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assertFalse(p.isShutdown()); |
284 |
|
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assertFalse(p.isTerminating()); |
285 |
|
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assertFalse(p.isTerminated()); |
286 |
jsr166 |
1.40 |
assertTrue(f.isDone()); |
287 |
|
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assertEquals(6765, (int) f.get()); |
288 |
dl |
1.1 |
} finally { |
289 |
|
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joinPool(p); |
290 |
|
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} |
291 |
|
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} |
292 |
|
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|
293 |
|
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/** |
294 |
|
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* Completed submit(ForkJoinTask) returns result |
295 |
|
|
*/ |
296 |
jsr166 |
1.6 |
public void testSubmitForkJoinTask() throws Throwable { |
297 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
298 |
dl |
1.1 |
try { |
299 |
|
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
300 |
jsr166 |
1.26 |
assertEquals(21, (int) f.get()); |
301 |
dl |
1.1 |
} finally { |
302 |
|
|
joinPool(p); |
303 |
|
|
} |
304 |
|
|
} |
305 |
|
|
|
306 |
|
|
/** |
307 |
|
|
* A task submitted after shutdown is rejected |
308 |
|
|
*/ |
309 |
|
|
public void testSubmitAfterShutdown() { |
310 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
311 |
dl |
1.1 |
try { |
312 |
|
|
p.shutdown(); |
313 |
|
|
assertTrue(p.isShutdown()); |
314 |
jsr166 |
1.26 |
try { |
315 |
|
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
316 |
|
|
shouldThrow(); |
317 |
|
|
} catch (RejectedExecutionException success) {} |
318 |
dl |
1.1 |
} finally { |
319 |
|
|
joinPool(p); |
320 |
|
|
} |
321 |
|
|
} |
322 |
|
|
|
323 |
|
|
/** |
324 |
|
|
* Pool maintains parallelism when using ManagedBlocker |
325 |
|
|
*/ |
326 |
jsr166 |
1.6 |
public void testBlockingForkJoinTask() throws Throwable { |
327 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(4); |
328 |
dl |
1.1 |
try { |
329 |
|
|
ReentrantLock lock = new ReentrantLock(); |
330 |
|
|
ManagedLocker locker = new ManagedLocker(lock); |
331 |
jsr166 |
1.32 |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
332 |
dl |
1.1 |
p.execute(f); |
333 |
jsr166 |
1.32 |
assertEquals(6765, (int) f.get()); |
334 |
dl |
1.1 |
} finally { |
335 |
dl |
1.7 |
p.shutdownNow(); // don't wait out shutdown |
336 |
dl |
1.1 |
} |
337 |
|
|
} |
338 |
|
|
|
339 |
|
|
/** |
340 |
|
|
* pollSubmission returns unexecuted submitted task, if present |
341 |
|
|
*/ |
342 |
|
|
public void testPollSubmission() { |
343 |
jsr166 |
1.36 |
final CountDownLatch done = new CountDownLatch(1); |
344 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
345 |
dl |
1.1 |
try { |
346 |
jsr166 |
1.36 |
ForkJoinTask a = p.submit(awaiter(done)); |
347 |
|
|
ForkJoinTask b = p.submit(awaiter(done)); |
348 |
|
|
ForkJoinTask c = p.submit(awaiter(done)); |
349 |
dl |
1.1 |
ForkJoinTask r = p.pollSubmission(); |
350 |
|
|
assertTrue(r == a || r == b || r == c); |
351 |
|
|
assertFalse(r.isDone()); |
352 |
|
|
} finally { |
353 |
jsr166 |
1.36 |
done.countDown(); |
354 |
dl |
1.1 |
joinPool(p); |
355 |
|
|
} |
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
/** |
359 |
|
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
360 |
|
|
*/ |
361 |
|
|
public void testDrainTasksTo() { |
362 |
jsr166 |
1.36 |
final CountDownLatch done = new CountDownLatch(1); |
363 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
364 |
dl |
1.1 |
try { |
365 |
jsr166 |
1.36 |
ForkJoinTask a = p.submit(awaiter(done)); |
366 |
|
|
ForkJoinTask b = p.submit(awaiter(done)); |
367 |
|
|
ForkJoinTask c = p.submit(awaiter(done)); |
368 |
dl |
1.1 |
ArrayList<ForkJoinTask> al = new ArrayList(); |
369 |
|
|
p.drainTasksTo(al); |
370 |
|
|
assertTrue(al.size() > 0); |
371 |
|
|
for (ForkJoinTask r : al) { |
372 |
|
|
assertTrue(r == a || r == b || r == c); |
373 |
|
|
assertFalse(r.isDone()); |
374 |
|
|
} |
375 |
|
|
} finally { |
376 |
jsr166 |
1.36 |
done.countDown(); |
377 |
dl |
1.1 |
joinPool(p); |
378 |
|
|
} |
379 |
|
|
} |
380 |
|
|
|
381 |
|
|
// FJ Versions of AbstractExecutorService tests |
382 |
|
|
|
383 |
|
|
/** |
384 |
|
|
* execute(runnable) runs it to completion |
385 |
|
|
*/ |
386 |
jsr166 |
1.6 |
public void testExecuteRunnable() throws Throwable { |
387 |
|
|
ExecutorService e = new ForkJoinPool(1); |
388 |
jsr166 |
1.23 |
try { |
389 |
jsr166 |
1.32 |
TrackedRunnable task = trackedRunnable(SHORT_DELAY_MS); |
390 |
|
|
assertFalse(task.isDone()); |
391 |
jsr166 |
1.23 |
Future<?> future = e.submit(task); |
392 |
jsr166 |
1.34 |
assertNull(future.get()); |
393 |
jsr166 |
1.36 |
assertNull(future.get(MEDIUM_DELAY_MS, MILLISECONDS)); |
394 |
jsr166 |
1.32 |
assertTrue(task.isDone()); |
395 |
jsr166 |
1.36 |
assertTrue(future.isDone()); |
396 |
jsr166 |
1.34 |
assertFalse(future.isCancelled()); |
397 |
jsr166 |
1.23 |
} finally { |
398 |
|
|
joinPool(e); |
399 |
|
|
} |
400 |
dl |
1.1 |
} |
401 |
|
|
|
402 |
|
|
/** |
403 |
|
|
* Completed submit(callable) returns result |
404 |
|
|
*/ |
405 |
jsr166 |
1.6 |
public void testSubmitCallable() throws Throwable { |
406 |
|
|
ExecutorService e = new ForkJoinPool(1); |
407 |
jsr166 |
1.23 |
try { |
408 |
|
|
Future<String> future = e.submit(new StringTask()); |
409 |
jsr166 |
1.34 |
assertSame(TEST_STRING, future.get()); |
410 |
|
|
assertTrue(future.isDone()); |
411 |
|
|
assertFalse(future.isCancelled()); |
412 |
jsr166 |
1.23 |
} finally { |
413 |
|
|
joinPool(e); |
414 |
|
|
} |
415 |
dl |
1.1 |
} |
416 |
|
|
|
417 |
|
|
/** |
418 |
|
|
* Completed submit(runnable) returns successfully |
419 |
|
|
*/ |
420 |
jsr166 |
1.6 |
public void testSubmitRunnable() throws Throwable { |
421 |
|
|
ExecutorService e = new ForkJoinPool(1); |
422 |
jsr166 |
1.23 |
try { |
423 |
|
|
Future<?> future = e.submit(new NoOpRunnable()); |
424 |
jsr166 |
1.34 |
assertNull(future.get()); |
425 |
jsr166 |
1.23 |
assertTrue(future.isDone()); |
426 |
jsr166 |
1.34 |
assertFalse(future.isCancelled()); |
427 |
jsr166 |
1.23 |
} finally { |
428 |
|
|
joinPool(e); |
429 |
|
|
} |
430 |
dl |
1.1 |
} |
431 |
|
|
|
432 |
|
|
/** |
433 |
|
|
* Completed submit(runnable, result) returns result |
434 |
|
|
*/ |
435 |
jsr166 |
1.6 |
public void testSubmitRunnable2() throws Throwable { |
436 |
|
|
ExecutorService e = new ForkJoinPool(1); |
437 |
jsr166 |
1.23 |
try { |
438 |
|
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
439 |
jsr166 |
1.34 |
assertSame(TEST_STRING, future.get()); |
440 |
|
|
assertTrue(future.isDone()); |
441 |
|
|
assertFalse(future.isCancelled()); |
442 |
jsr166 |
1.23 |
} finally { |
443 |
|
|
joinPool(e); |
444 |
|
|
} |
445 |
dl |
1.1 |
} |
446 |
|
|
|
447 |
|
|
/** |
448 |
jsr166 |
1.33 |
* A submitted privileged action runs to completion |
449 |
dl |
1.1 |
*/ |
450 |
dl |
1.35 |
public void testSubmitPrivilegedAction() throws Exception { |
451 |
|
|
Runnable r = new CheckedRunnable() { |
452 |
|
|
public void realRun() throws Exception { |
453 |
|
|
ExecutorService e = new ForkJoinPool(1); |
454 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
455 |
dl |
1.1 |
public Object run() { |
456 |
|
|
return TEST_STRING; |
457 |
|
|
}})); |
458 |
|
|
|
459 |
dl |
1.35 |
assertSame(TEST_STRING, future.get()); |
460 |
|
|
}}; |
461 |
|
|
|
462 |
|
|
runWithPermissions(r, |
463 |
|
|
new RuntimePermission("modifyThread")); |
464 |
dl |
1.1 |
} |
465 |
|
|
|
466 |
|
|
/** |
467 |
jsr166 |
1.33 |
* A submitted privileged exception action runs to completion |
468 |
dl |
1.1 |
*/ |
469 |
dl |
1.35 |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
470 |
|
|
Runnable r = new CheckedRunnable() { |
471 |
|
|
public void realRun() throws Exception { |
472 |
|
|
ExecutorService e = new ForkJoinPool(1); |
473 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
474 |
dl |
1.1 |
public Object run() { |
475 |
|
|
return TEST_STRING; |
476 |
|
|
}})); |
477 |
|
|
|
478 |
dl |
1.35 |
assertSame(TEST_STRING, future.get()); |
479 |
|
|
}}; |
480 |
|
|
|
481 |
|
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
482 |
dl |
1.1 |
} |
483 |
|
|
|
484 |
|
|
/** |
485 |
|
|
* A submitted failed privileged exception action reports exception |
486 |
|
|
*/ |
487 |
dl |
1.35 |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
488 |
|
|
Runnable r = new CheckedRunnable() { |
489 |
|
|
public void realRun() throws Exception { |
490 |
|
|
ExecutorService e = new ForkJoinPool(1); |
491 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
492 |
dl |
1.1 |
public Object run() throws Exception { |
493 |
|
|
throw new IndexOutOfBoundsException(); |
494 |
|
|
}})); |
495 |
|
|
|
496 |
dl |
1.35 |
try { |
497 |
|
|
future.get(); |
498 |
|
|
shouldThrow(); |
499 |
|
|
} catch (ExecutionException success) { |
500 |
|
|
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
501 |
|
|
}}}; |
502 |
|
|
|
503 |
|
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
504 |
dl |
1.1 |
} |
505 |
|
|
|
506 |
|
|
/** |
507 |
jsr166 |
1.6 |
* execute(null runnable) throws NullPointerException |
508 |
dl |
1.1 |
*/ |
509 |
|
|
public void testExecuteNullRunnable() { |
510 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
511 |
dl |
1.1 |
try { |
512 |
jsr166 |
1.31 |
Future<?> future = e.submit((Runnable) null); |
513 |
dl |
1.1 |
shouldThrow(); |
514 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
515 |
|
|
} finally { |
516 |
|
|
joinPool(e); |
517 |
|
|
} |
518 |
dl |
1.1 |
} |
519 |
|
|
|
520 |
|
|
/** |
521 |
jsr166 |
1.6 |
* submit(null callable) throws NullPointerException |
522 |
dl |
1.1 |
*/ |
523 |
|
|
public void testSubmitNullCallable() { |
524 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
525 |
dl |
1.1 |
try { |
526 |
jsr166 |
1.31 |
Future<String> future = e.submit((Callable) null); |
527 |
dl |
1.1 |
shouldThrow(); |
528 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
529 |
|
|
} finally { |
530 |
|
|
joinPool(e); |
531 |
|
|
} |
532 |
dl |
1.1 |
} |
533 |
|
|
|
534 |
|
|
/** |
535 |
jsr166 |
1.27 |
* submit(callable).get() throws InterruptedException if interrupted |
536 |
dl |
1.1 |
*/ |
537 |
jsr166 |
1.6 |
public void testInterruptedSubmit() throws InterruptedException { |
538 |
jsr166 |
1.27 |
final CountDownLatch submitted = new CountDownLatch(1); |
539 |
|
|
final CountDownLatch quittingTime = new CountDownLatch(1); |
540 |
|
|
final ExecutorService p = new ForkJoinPool(1); |
541 |
|
|
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
542 |
|
|
public Void realCall() throws InterruptedException { |
543 |
|
|
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
544 |
|
|
return null; |
545 |
|
|
}}; |
546 |
|
|
try { |
547 |
|
|
Thread t = new Thread(new CheckedInterruptedRunnable() { |
548 |
|
|
public void realRun() throws Exception { |
549 |
|
|
Future<Void> future = p.submit(awaiter); |
550 |
|
|
submitted.countDown(); |
551 |
|
|
future.get(); |
552 |
|
|
}}); |
553 |
|
|
t.start(); |
554 |
|
|
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
555 |
|
|
t.interrupt(); |
556 |
|
|
t.join(); |
557 |
|
|
} finally { |
558 |
|
|
quittingTime.countDown(); |
559 |
|
|
joinPool(p); |
560 |
|
|
} |
561 |
dl |
1.1 |
} |
562 |
|
|
|
563 |
|
|
/** |
564 |
jsr166 |
1.4 |
* get of submit(callable) throws ExecutionException if callable |
565 |
|
|
* throws exception |
566 |
dl |
1.1 |
*/ |
567 |
jsr166 |
1.6 |
public void testSubmitEE() throws Throwable { |
568 |
dl |
1.1 |
ForkJoinPool p = new ForkJoinPool(1); |
569 |
|
|
try { |
570 |
jsr166 |
1.8 |
p.submit(new Callable() { |
571 |
|
|
public Object call() { |
572 |
|
|
int i = 5/0; |
573 |
|
|
return Boolean.TRUE; |
574 |
|
|
}}).get(); |
575 |
dl |
1.1 |
shouldThrow(); |
576 |
jsr166 |
1.12 |
} catch (ExecutionException success) { |
577 |
|
|
assertTrue(success.getCause() instanceof ArithmeticException); |
578 |
jsr166 |
1.23 |
} finally { |
579 |
|
|
joinPool(p); |
580 |
jsr166 |
1.12 |
} |
581 |
dl |
1.1 |
} |
582 |
|
|
|
583 |
|
|
/** |
584 |
jsr166 |
1.6 |
* invokeAny(null) throws NullPointerException |
585 |
dl |
1.1 |
*/ |
586 |
jsr166 |
1.6 |
public void testInvokeAny1() throws Throwable { |
587 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
588 |
|
|
try { |
589 |
|
|
e.invokeAny(null); |
590 |
jsr166 |
1.6 |
shouldThrow(); |
591 |
dl |
1.1 |
} catch (NullPointerException success) { |
592 |
|
|
} finally { |
593 |
|
|
joinPool(e); |
594 |
|
|
} |
595 |
|
|
} |
596 |
|
|
|
597 |
|
|
/** |
598 |
jsr166 |
1.6 |
* invokeAny(empty collection) throws IllegalArgumentException |
599 |
dl |
1.1 |
*/ |
600 |
jsr166 |
1.6 |
public void testInvokeAny2() throws Throwable { |
601 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
602 |
|
|
try { |
603 |
|
|
e.invokeAny(new ArrayList<Callable<String>>()); |
604 |
jsr166 |
1.6 |
shouldThrow(); |
605 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
606 |
|
|
} finally { |
607 |
|
|
joinPool(e); |
608 |
|
|
} |
609 |
|
|
} |
610 |
|
|
|
611 |
|
|
/** |
612 |
jsr166 |
1.9 |
* invokeAny(c) throws NullPointerException if c has a single null element |
613 |
|
|
*/ |
614 |
|
|
public void testInvokeAny3() throws Throwable { |
615 |
|
|
ExecutorService e = new ForkJoinPool(1); |
616 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
617 |
|
|
l.add(null); |
618 |
jsr166 |
1.9 |
try { |
619 |
|
|
e.invokeAny(l); |
620 |
|
|
shouldThrow(); |
621 |
|
|
} catch (NullPointerException success) { |
622 |
|
|
} finally { |
623 |
|
|
joinPool(e); |
624 |
|
|
} |
625 |
|
|
} |
626 |
|
|
|
627 |
|
|
/** |
628 |
jsr166 |
1.6 |
* invokeAny(c) throws NullPointerException if c has null elements |
629 |
dl |
1.1 |
*/ |
630 |
jsr166 |
1.9 |
public void testInvokeAny4() throws Throwable { |
631 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
632 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
633 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
634 |
|
|
l.add(latchAwaitingStringTask(latch)); |
635 |
|
|
l.add(null); |
636 |
dl |
1.1 |
try { |
637 |
|
|
e.invokeAny(l); |
638 |
jsr166 |
1.6 |
shouldThrow(); |
639 |
dl |
1.1 |
} catch (NullPointerException success) { |
640 |
|
|
} finally { |
641 |
jsr166 |
1.16 |
latch.countDown(); |
642 |
dl |
1.1 |
joinPool(e); |
643 |
|
|
} |
644 |
|
|
} |
645 |
|
|
|
646 |
|
|
/** |
647 |
|
|
* invokeAny(c) throws ExecutionException if no task in c completes |
648 |
|
|
*/ |
649 |
jsr166 |
1.9 |
public void testInvokeAny5() throws Throwable { |
650 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
651 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
652 |
|
|
l.add(new NPETask()); |
653 |
dl |
1.1 |
try { |
654 |
|
|
e.invokeAny(l); |
655 |
jsr166 |
1.6 |
shouldThrow(); |
656 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
657 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
658 |
dl |
1.1 |
} finally { |
659 |
|
|
joinPool(e); |
660 |
|
|
} |
661 |
|
|
} |
662 |
|
|
|
663 |
|
|
/** |
664 |
|
|
* invokeAny(c) returns result of some task in c if at least one completes |
665 |
|
|
*/ |
666 |
jsr166 |
1.9 |
public void testInvokeAny6() throws Throwable { |
667 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
668 |
|
|
try { |
669 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
670 |
dl |
1.1 |
l.add(new StringTask()); |
671 |
|
|
l.add(new StringTask()); |
672 |
|
|
String result = e.invokeAny(l); |
673 |
|
|
assertSame(TEST_STRING, result); |
674 |
|
|
} finally { |
675 |
|
|
joinPool(e); |
676 |
|
|
} |
677 |
|
|
} |
678 |
|
|
|
679 |
|
|
/** |
680 |
jsr166 |
1.6 |
* invokeAll(null) throws NullPointerException |
681 |
dl |
1.1 |
*/ |
682 |
jsr166 |
1.6 |
public void testInvokeAll1() throws Throwable { |
683 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
684 |
|
|
try { |
685 |
|
|
e.invokeAll(null); |
686 |
jsr166 |
1.6 |
shouldThrow(); |
687 |
dl |
1.1 |
} catch (NullPointerException success) { |
688 |
|
|
} finally { |
689 |
|
|
joinPool(e); |
690 |
|
|
} |
691 |
|
|
} |
692 |
|
|
|
693 |
|
|
/** |
694 |
|
|
* invokeAll(empty collection) returns empty collection |
695 |
|
|
*/ |
696 |
jsr166 |
1.6 |
public void testInvokeAll2() throws InterruptedException { |
697 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
698 |
|
|
try { |
699 |
jsr166 |
1.6 |
List<Future<String>> r |
700 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>()); |
701 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
702 |
|
|
} finally { |
703 |
|
|
joinPool(e); |
704 |
|
|
} |
705 |
|
|
} |
706 |
|
|
|
707 |
|
|
/** |
708 |
jsr166 |
1.6 |
* invokeAll(c) throws NullPointerException if c has null elements |
709 |
dl |
1.1 |
*/ |
710 |
jsr166 |
1.6 |
public void testInvokeAll3() throws InterruptedException { |
711 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
712 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
713 |
|
|
l.add(new StringTask()); |
714 |
|
|
l.add(null); |
715 |
dl |
1.1 |
try { |
716 |
|
|
e.invokeAll(l); |
717 |
jsr166 |
1.6 |
shouldThrow(); |
718 |
dl |
1.1 |
} catch (NullPointerException success) { |
719 |
|
|
} finally { |
720 |
|
|
joinPool(e); |
721 |
|
|
} |
722 |
|
|
} |
723 |
|
|
|
724 |
|
|
/** |
725 |
jsr166 |
1.6 |
* get of returned element of invokeAll(c) throws |
726 |
|
|
* ExecutionException on failed task |
727 |
dl |
1.1 |
*/ |
728 |
jsr166 |
1.6 |
public void testInvokeAll4() throws Throwable { |
729 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
730 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
731 |
|
|
l.add(new NPETask()); |
732 |
|
|
List<Future<String>> futures = e.invokeAll(l); |
733 |
|
|
assertEquals(1, futures.size()); |
734 |
dl |
1.1 |
try { |
735 |
jsr166 |
1.16 |
futures.get(0).get(); |
736 |
jsr166 |
1.6 |
shouldThrow(); |
737 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
738 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
739 |
dl |
1.1 |
} finally { |
740 |
|
|
joinPool(e); |
741 |
|
|
} |
742 |
|
|
} |
743 |
|
|
|
744 |
|
|
/** |
745 |
|
|
* invokeAll(c) returns results of all completed tasks in c |
746 |
|
|
*/ |
747 |
jsr166 |
1.6 |
public void testInvokeAll5() throws Throwable { |
748 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
749 |
|
|
try { |
750 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
751 |
dl |
1.1 |
l.add(new StringTask()); |
752 |
|
|
l.add(new StringTask()); |
753 |
jsr166 |
1.16 |
List<Future<String>> futures = e.invokeAll(l); |
754 |
|
|
assertEquals(2, futures.size()); |
755 |
|
|
for (Future<String> future : futures) |
756 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
757 |
dl |
1.1 |
} finally { |
758 |
|
|
joinPool(e); |
759 |
|
|
} |
760 |
|
|
} |
761 |
|
|
|
762 |
|
|
/** |
763 |
jsr166 |
1.6 |
* timed invokeAny(null) throws NullPointerException |
764 |
dl |
1.1 |
*/ |
765 |
jsr166 |
1.6 |
public void testTimedInvokeAny1() throws Throwable { |
766 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
767 |
|
|
try { |
768 |
jsr166 |
1.27 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
769 |
jsr166 |
1.6 |
shouldThrow(); |
770 |
dl |
1.1 |
} catch (NullPointerException success) { |
771 |
|
|
} finally { |
772 |
|
|
joinPool(e); |
773 |
|
|
} |
774 |
|
|
} |
775 |
|
|
|
776 |
|
|
/** |
777 |
jsr166 |
1.6 |
* timed invokeAny(null time unit) throws NullPointerException |
778 |
dl |
1.1 |
*/ |
779 |
jsr166 |
1.6 |
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
780 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
781 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
782 |
|
|
l.add(new StringTask()); |
783 |
dl |
1.1 |
try { |
784 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
785 |
jsr166 |
1.6 |
shouldThrow(); |
786 |
dl |
1.1 |
} catch (NullPointerException success) { |
787 |
|
|
} finally { |
788 |
|
|
joinPool(e); |
789 |
|
|
} |
790 |
|
|
} |
791 |
|
|
|
792 |
|
|
/** |
793 |
jsr166 |
1.6 |
* timed invokeAny(empty collection) throws IllegalArgumentException |
794 |
dl |
1.1 |
*/ |
795 |
jsr166 |
1.6 |
public void testTimedInvokeAny2() throws Throwable { |
796 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
797 |
|
|
try { |
798 |
jsr166 |
1.6 |
e.invokeAny(new ArrayList<Callable<String>>(), |
799 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
800 |
jsr166 |
1.6 |
shouldThrow(); |
801 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
802 |
|
|
} finally { |
803 |
|
|
joinPool(e); |
804 |
|
|
} |
805 |
|
|
} |
806 |
|
|
|
807 |
|
|
/** |
808 |
jsr166 |
1.6 |
* timed invokeAny(c) throws NullPointerException if c has null elements |
809 |
dl |
1.1 |
*/ |
810 |
jsr166 |
1.6 |
public void testTimedInvokeAny3() throws Throwable { |
811 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
812 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
813 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
814 |
|
|
l.add(latchAwaitingStringTask(latch)); |
815 |
|
|
l.add(null); |
816 |
dl |
1.1 |
try { |
817 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
818 |
jsr166 |
1.6 |
shouldThrow(); |
819 |
dl |
1.1 |
} catch (NullPointerException success) { |
820 |
|
|
} finally { |
821 |
jsr166 |
1.15 |
latch.countDown(); |
822 |
dl |
1.1 |
joinPool(e); |
823 |
|
|
} |
824 |
|
|
} |
825 |
|
|
|
826 |
|
|
/** |
827 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
828 |
|
|
*/ |
829 |
jsr166 |
1.6 |
public void testTimedInvokeAny4() throws Throwable { |
830 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
831 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
832 |
|
|
l.add(new NPETask()); |
833 |
dl |
1.1 |
try { |
834 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
835 |
jsr166 |
1.6 |
shouldThrow(); |
836 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
837 |
jsr166 |
1.11 |
assertTrue(success.getCause() instanceof NullPointerException); |
838 |
dl |
1.1 |
} finally { |
839 |
|
|
joinPool(e); |
840 |
|
|
} |
841 |
|
|
} |
842 |
|
|
|
843 |
|
|
/** |
844 |
|
|
* timed invokeAny(c) returns result of some task in c |
845 |
|
|
*/ |
846 |
jsr166 |
1.6 |
public void testTimedInvokeAny5() throws Throwable { |
847 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
848 |
|
|
try { |
849 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
850 |
dl |
1.1 |
l.add(new StringTask()); |
851 |
|
|
l.add(new StringTask()); |
852 |
jsr166 |
1.27 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
853 |
dl |
1.1 |
assertSame(TEST_STRING, result); |
854 |
|
|
} finally { |
855 |
|
|
joinPool(e); |
856 |
|
|
} |
857 |
|
|
} |
858 |
|
|
|
859 |
|
|
/** |
860 |
jsr166 |
1.6 |
* timed invokeAll(null) throws NullPointerException |
861 |
dl |
1.1 |
*/ |
862 |
jsr166 |
1.6 |
public void testTimedInvokeAll1() throws Throwable { |
863 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
864 |
|
|
try { |
865 |
jsr166 |
1.27 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
866 |
jsr166 |
1.6 |
shouldThrow(); |
867 |
dl |
1.1 |
} catch (NullPointerException success) { |
868 |
|
|
} finally { |
869 |
|
|
joinPool(e); |
870 |
|
|
} |
871 |
|
|
} |
872 |
|
|
|
873 |
|
|
/** |
874 |
jsr166 |
1.6 |
* timed invokeAll(null time unit) throws NullPointerException |
875 |
dl |
1.1 |
*/ |
876 |
jsr166 |
1.6 |
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
877 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
878 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
879 |
|
|
l.add(new StringTask()); |
880 |
dl |
1.1 |
try { |
881 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
882 |
jsr166 |
1.6 |
shouldThrow(); |
883 |
dl |
1.1 |
} catch (NullPointerException success) { |
884 |
|
|
} finally { |
885 |
|
|
joinPool(e); |
886 |
|
|
} |
887 |
|
|
} |
888 |
|
|
|
889 |
|
|
/** |
890 |
|
|
* timed invokeAll(empty collection) returns empty collection |
891 |
|
|
*/ |
892 |
jsr166 |
1.6 |
public void testTimedInvokeAll2() throws InterruptedException { |
893 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
894 |
|
|
try { |
895 |
jsr166 |
1.6 |
List<Future<String>> r |
896 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>(), |
897 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
898 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
899 |
|
|
} finally { |
900 |
|
|
joinPool(e); |
901 |
|
|
} |
902 |
|
|
} |
903 |
|
|
|
904 |
|
|
/** |
905 |
jsr166 |
1.6 |
* timed invokeAll(c) throws NullPointerException if c has null elements |
906 |
dl |
1.1 |
*/ |
907 |
jsr166 |
1.6 |
public void testTimedInvokeAll3() throws InterruptedException { |
908 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
909 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
910 |
|
|
l.add(new StringTask()); |
911 |
|
|
l.add(null); |
912 |
dl |
1.1 |
try { |
913 |
jsr166 |
1.27 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
914 |
jsr166 |
1.6 |
shouldThrow(); |
915 |
dl |
1.1 |
} catch (NullPointerException success) { |
916 |
|
|
} finally { |
917 |
|
|
joinPool(e); |
918 |
|
|
} |
919 |
|
|
} |
920 |
|
|
|
921 |
|
|
/** |
922 |
|
|
* get of returned element of invokeAll(c) throws exception on failed task |
923 |
|
|
*/ |
924 |
jsr166 |
1.6 |
public void testTimedInvokeAll4() throws Throwable { |
925 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
926 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
927 |
|
|
l.add(new NPETask()); |
928 |
|
|
List<Future<String>> futures |
929 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
930 |
jsr166 |
1.16 |
assertEquals(1, futures.size()); |
931 |
dl |
1.1 |
try { |
932 |
jsr166 |
1.16 |
futures.get(0).get(); |
933 |
jsr166 |
1.6 |
shouldThrow(); |
934 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
935 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
936 |
dl |
1.1 |
} finally { |
937 |
|
|
joinPool(e); |
938 |
|
|
} |
939 |
|
|
} |
940 |
|
|
|
941 |
|
|
/** |
942 |
|
|
* timed invokeAll(c) returns results of all completed tasks in c |
943 |
|
|
*/ |
944 |
jsr166 |
1.6 |
public void testTimedInvokeAll5() throws Throwable { |
945 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
946 |
|
|
try { |
947 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
948 |
dl |
1.1 |
l.add(new StringTask()); |
949 |
|
|
l.add(new StringTask()); |
950 |
jsr166 |
1.16 |
List<Future<String>> futures |
951 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
952 |
jsr166 |
1.16 |
assertEquals(2, futures.size()); |
953 |
|
|
for (Future<String> future : futures) |
954 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
955 |
dl |
1.1 |
} finally { |
956 |
|
|
joinPool(e); |
957 |
|
|
} |
958 |
|
|
} |
959 |
|
|
|
960 |
|
|
} |