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dl |
1.1 |
/* |
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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; |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.ForkJoinWorkerThread; |
23 |
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import java.util.concurrent.RecursiveTask; |
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import java.util.concurrent.TimeUnit; |
25 |
jsr166 |
1.42 |
import java.util.concurrent.atomic.AtomicBoolean; |
26 |
jsr166 |
1.24 |
import java.util.concurrent.locks.ReentrantLock; |
27 |
jsr166 |
1.27 |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
28 |
jsr166 |
1.24 |
import java.security.AccessControlException; |
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import java.security.Policy; |
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import java.security.PrivilegedAction; |
31 |
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import java.security.PrivilegedExceptionAction; |
32 |
dl |
1.1 |
|
33 |
jsr166 |
1.3 |
public class ForkJoinPoolTest extends JSR166TestCase { |
34 |
dl |
1.1 |
public static void main(String[] args) { |
35 |
jsr166 |
1.21 |
junit.textui.TestRunner.run(suite()); |
36 |
dl |
1.1 |
} |
37 |
jsr166 |
1.23 |
|
38 |
dl |
1.1 |
public static Test suite() { |
39 |
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return new TestSuite(ForkJoinPoolTest.class); |
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} |
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42 |
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/** |
43 |
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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. |
46 |
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* |
47 |
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* 2. newTaskFor and adapters are tested in submit/invoke tests |
48 |
jsr166 |
1.2 |
* |
49 |
dl |
1.1 |
* 3. We cannot portably test monitoring methods such as |
50 |
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* getStealCount() since they rely ultimately on random task |
51 |
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* stealing that may cause tasks not to be stolen/propagated |
52 |
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* across threads, especially on uniprocessors. |
53 |
jsr166 |
1.2 |
* |
54 |
dl |
1.1 |
* 4. There are no independently testable ForkJoinWorkerThread |
55 |
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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 |
59 |
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60 |
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static class MyHandler implements Thread.UncaughtExceptionHandler { |
61 |
dl |
1.20 |
volatile int catches = 0; |
62 |
dl |
1.1 |
public void uncaughtException(Thread t, Throwable e) { |
63 |
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++catches; |
64 |
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} |
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} |
66 |
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67 |
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// to test handlers |
68 |
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static class FailingFJWSubclass extends ForkJoinWorkerThread { |
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public FailingFJWSubclass(ForkJoinPool p) { super(p) ; } |
70 |
dl |
1.20 |
protected void onStart() { super.onStart(); throw new Error(); } |
71 |
dl |
1.1 |
} |
72 |
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73 |
jsr166 |
1.6 |
static class FailingThreadFactory |
74 |
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implements ForkJoinPool.ForkJoinWorkerThreadFactory { |
75 |
dl |
1.20 |
volatile int calls = 0; |
76 |
jsr166 |
1.2 |
public ForkJoinWorkerThread newThread(ForkJoinPool p) { |
77 |
dl |
1.1 |
if (++calls > 1) return null; |
78 |
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return new FailingFJWSubclass(p); |
79 |
jsr166 |
1.2 |
} |
80 |
dl |
1.1 |
} |
81 |
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|
82 |
jsr166 |
1.2 |
static class SubFJP extends ForkJoinPool { // to expose protected |
83 |
dl |
1.1 |
SubFJP() { super(1); } |
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public int drainTasksTo(Collection<? super ForkJoinTask<?>> c) { |
85 |
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return super.drainTasksTo(c); |
86 |
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} |
87 |
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public ForkJoinTask<?> pollSubmission() { |
88 |
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return super.pollSubmission(); |
89 |
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} |
90 |
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} |
91 |
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92 |
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static class ManagedLocker implements ForkJoinPool.ManagedBlocker { |
93 |
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final ReentrantLock lock; |
94 |
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boolean hasLock = false; |
95 |
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ManagedLocker(ReentrantLock lock) { this.lock = lock; } |
96 |
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public boolean block() { |
97 |
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if (!hasLock) |
98 |
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lock.lock(); |
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return true; |
100 |
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} |
101 |
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public boolean isReleasable() { |
102 |
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return hasLock || (hasLock = lock.tryLock()); |
103 |
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} |
104 |
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} |
105 |
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106 |
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// A simple recursive task for testing |
107 |
jsr166 |
1.2 |
static final class FibTask extends RecursiveTask<Integer> { |
108 |
dl |
1.1 |
final int number; |
109 |
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FibTask(int n) { number = n; } |
110 |
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public Integer compute() { |
111 |
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int n = number; |
112 |
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if (n <= 1) |
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return n; |
114 |
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FibTask f1 = new FibTask(n - 1); |
115 |
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f1.fork(); |
116 |
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return (new FibTask(n - 2)).compute() + f1.join(); |
117 |
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} |
118 |
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} |
119 |
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120 |
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// A failing task for testing |
121 |
jsr166 |
1.2 |
static final class FailingTask extends ForkJoinTask<Void> { |
122 |
dl |
1.1 |
public final Void getRawResult() { return null; } |
123 |
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protected final void setRawResult(Void mustBeNull) { } |
124 |
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protected final boolean exec() { throw new Error(); } |
125 |
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FailingTask() {} |
126 |
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} |
127 |
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128 |
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// Fib needlessly using locking to test ManagedBlockers |
129 |
jsr166 |
1.2 |
static final class LockingFibTask extends RecursiveTask<Integer> { |
130 |
dl |
1.1 |
final int number; |
131 |
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final ManagedLocker locker; |
132 |
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final ReentrantLock lock; |
133 |
jsr166 |
1.2 |
LockingFibTask(int n, ManagedLocker locker, ReentrantLock lock) { |
134 |
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number = n; |
135 |
dl |
1.1 |
this.locker = locker; |
136 |
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this.lock = lock; |
137 |
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} |
138 |
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public Integer compute() { |
139 |
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int n; |
140 |
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LockingFibTask f1 = null; |
141 |
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LockingFibTask f2 = null; |
142 |
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locker.block(); |
143 |
jsr166 |
1.2 |
n = number; |
144 |
dl |
1.1 |
if (n > 1) { |
145 |
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f1 = new LockingFibTask(n - 1, locker, lock); |
146 |
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f2 = new LockingFibTask(n - 2, locker, lock); |
147 |
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} |
148 |
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lock.unlock(); |
149 |
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if (n <= 1) |
150 |
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return n; |
151 |
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else { |
152 |
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f1.fork(); |
153 |
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return f2.compute() + f1.join(); |
154 |
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} |
155 |
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} |
156 |
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} |
157 |
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|
158 |
jsr166 |
1.2 |
/** |
159 |
jsr166 |
1.5 |
* Successfully constructed pool reports default factory, |
160 |
dl |
1.1 |
* parallelism and async mode policies, no active threads or |
161 |
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* tasks, and quiescent running state. |
162 |
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*/ |
163 |
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public void testDefaultInitialState() { |
164 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
165 |
dl |
1.1 |
try { |
166 |
jsr166 |
1.26 |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
167 |
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p.getFactory()); |
168 |
dl |
1.1 |
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 |
jsr166 |
1.2 |
/** |
203 |
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* getParallelism returns size set in constructor |
204 |
dl |
1.1 |
*/ |
205 |
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public void testGetParallelism() { |
206 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
207 |
dl |
1.1 |
try { |
208 |
jsr166 |
1.26 |
assertEquals(1, p.getParallelism()); |
209 |
dl |
1.1 |
} finally { |
210 |
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joinPool(p); |
211 |
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} |
212 |
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} |
213 |
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|
214 |
jsr166 |
1.2 |
/** |
215 |
dl |
1.1 |
* getPoolSize returns number of started workers. |
216 |
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*/ |
217 |
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public void testGetPoolSize() { |
218 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
219 |
dl |
1.1 |
try { |
220 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
221 |
dl |
1.1 |
Future<String> future = p.submit(new StringTask()); |
222 |
jsr166 |
1.26 |
assertEquals(1, p.getPoolSize()); |
223 |
dl |
1.1 |
} finally { |
224 |
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joinPool(p); |
225 |
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} |
226 |
|
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} |
227 |
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|
228 |
jsr166 |
1.2 |
/** |
229 |
dl |
1.1 |
* setUncaughtExceptionHandler changes handler for uncaught exceptions. |
230 |
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* |
231 |
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* Additionally tests: Overriding ForkJoinWorkerThread.onStart |
232 |
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* performs its defined action |
233 |
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*/ |
234 |
jsr166 |
1.6 |
public void testSetUncaughtExceptionHandler() throws InterruptedException { |
235 |
jsr166 |
1.29 |
final CountDownLatch uehInvoked = new CountDownLatch(1); |
236 |
jsr166 |
1.27 |
final Thread.UncaughtExceptionHandler eh = |
237 |
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new Thread.UncaughtExceptionHandler() { |
238 |
|
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public void uncaughtException(Thread t, Throwable e) { |
239 |
jsr166 |
1.29 |
uehInvoked.countDown(); |
240 |
jsr166 |
1.27 |
}}; |
241 |
jsr166 |
1.26 |
ForkJoinPool p = new ForkJoinPool(1, new FailingThreadFactory(), |
242 |
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eh, false); |
243 |
dl |
1.1 |
try { |
244 |
jsr166 |
1.26 |
assertSame(eh, p.getUncaughtExceptionHandler()); |
245 |
dl |
1.44 |
try { |
246 |
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p.execute(new FibTask(8)); |
247 |
dl |
1.45 |
assertTrue(uehInvoked.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
248 |
dl |
1.44 |
} catch(RejectedExecutionException ok) { |
249 |
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} |
250 |
dl |
1.1 |
} finally { |
251 |
dl |
1.28 |
p.shutdownNow(); // failure might have prevented processing task |
252 |
dl |
1.1 |
joinPool(p); |
253 |
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} |
254 |
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} |
255 |
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|
256 |
jsr166 |
1.2 |
/** |
257 |
jsr166 |
1.40 |
* After invoking a single task, isQuiescent eventually becomes |
258 |
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* true, at which time queues are empty, threads are not active, |
259 |
|
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* the task has completed successfully, and construction |
260 |
|
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* parameters continue to hold |
261 |
dl |
1.1 |
*/ |
262 |
jsr166 |
1.43 |
public void testIsQuiescent() throws Exception { |
263 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(2); |
264 |
dl |
1.1 |
try { |
265 |
jsr166 |
1.30 |
assertTrue(p.isQuiescent()); |
266 |
jsr166 |
1.40 |
long startTime = System.nanoTime(); |
267 |
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FibTask f = new FibTask(20); |
268 |
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p.invoke(f); |
269 |
jsr166 |
1.26 |
assertSame(ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
270 |
|
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p.getFactory()); |
271 |
jsr166 |
1.40 |
while (! p.isQuiescent()) { |
272 |
|
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if (millisElapsedSince(startTime) > LONG_DELAY_MS) |
273 |
|
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throw new AssertionFailedError("timed out"); |
274 |
|
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assertFalse(p.getAsyncMode()); |
275 |
|
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assertFalse(p.isShutdown()); |
276 |
|
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assertFalse(p.isTerminating()); |
277 |
|
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assertFalse(p.isTerminated()); |
278 |
|
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Thread.yield(); |
279 |
|
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} |
280 |
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|
281 |
dl |
1.1 |
assertTrue(p.isQuiescent()); |
282 |
|
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assertFalse(p.getAsyncMode()); |
283 |
jsr166 |
1.26 |
assertEquals(0, p.getActiveThreadCount()); |
284 |
|
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assertEquals(0, p.getQueuedTaskCount()); |
285 |
|
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assertEquals(0, p.getQueuedSubmissionCount()); |
286 |
dl |
1.1 |
assertFalse(p.hasQueuedSubmissions()); |
287 |
|
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assertFalse(p.isShutdown()); |
288 |
|
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assertFalse(p.isTerminating()); |
289 |
|
|
assertFalse(p.isTerminated()); |
290 |
jsr166 |
1.40 |
assertTrue(f.isDone()); |
291 |
|
|
assertEquals(6765, (int) f.get()); |
292 |
dl |
1.1 |
} finally { |
293 |
|
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joinPool(p); |
294 |
|
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} |
295 |
|
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} |
296 |
|
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|
297 |
|
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/** |
298 |
|
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* Completed submit(ForkJoinTask) returns result |
299 |
|
|
*/ |
300 |
jsr166 |
1.6 |
public void testSubmitForkJoinTask() throws Throwable { |
301 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
302 |
dl |
1.1 |
try { |
303 |
|
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
304 |
jsr166 |
1.26 |
assertEquals(21, (int) f.get()); |
305 |
dl |
1.1 |
} finally { |
306 |
|
|
joinPool(p); |
307 |
|
|
} |
308 |
|
|
} |
309 |
|
|
|
310 |
|
|
/** |
311 |
|
|
* A task submitted after shutdown is rejected |
312 |
|
|
*/ |
313 |
|
|
public void testSubmitAfterShutdown() { |
314 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(1); |
315 |
dl |
1.1 |
try { |
316 |
|
|
p.shutdown(); |
317 |
|
|
assertTrue(p.isShutdown()); |
318 |
jsr166 |
1.26 |
try { |
319 |
|
|
ForkJoinTask<Integer> f = p.submit(new FibTask(8)); |
320 |
|
|
shouldThrow(); |
321 |
|
|
} catch (RejectedExecutionException success) {} |
322 |
dl |
1.1 |
} finally { |
323 |
|
|
joinPool(p); |
324 |
|
|
} |
325 |
|
|
} |
326 |
|
|
|
327 |
|
|
/** |
328 |
|
|
* Pool maintains parallelism when using ManagedBlocker |
329 |
|
|
*/ |
330 |
jsr166 |
1.6 |
public void testBlockingForkJoinTask() throws Throwable { |
331 |
jsr166 |
1.23 |
ForkJoinPool p = new ForkJoinPool(4); |
332 |
dl |
1.1 |
try { |
333 |
|
|
ReentrantLock lock = new ReentrantLock(); |
334 |
|
|
ManagedLocker locker = new ManagedLocker(lock); |
335 |
jsr166 |
1.32 |
ForkJoinTask<Integer> f = new LockingFibTask(20, locker, lock); |
336 |
dl |
1.1 |
p.execute(f); |
337 |
jsr166 |
1.32 |
assertEquals(6765, (int) f.get()); |
338 |
dl |
1.1 |
} finally { |
339 |
dl |
1.7 |
p.shutdownNow(); // don't wait out shutdown |
340 |
dl |
1.1 |
} |
341 |
|
|
} |
342 |
|
|
|
343 |
|
|
/** |
344 |
|
|
* pollSubmission returns unexecuted submitted task, if present |
345 |
|
|
*/ |
346 |
|
|
public void testPollSubmission() { |
347 |
jsr166 |
1.36 |
final CountDownLatch done = new CountDownLatch(1); |
348 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
349 |
dl |
1.1 |
try { |
350 |
jsr166 |
1.36 |
ForkJoinTask a = p.submit(awaiter(done)); |
351 |
|
|
ForkJoinTask b = p.submit(awaiter(done)); |
352 |
|
|
ForkJoinTask c = p.submit(awaiter(done)); |
353 |
dl |
1.1 |
ForkJoinTask r = p.pollSubmission(); |
354 |
|
|
assertTrue(r == a || r == b || r == c); |
355 |
|
|
assertFalse(r.isDone()); |
356 |
|
|
} finally { |
357 |
jsr166 |
1.36 |
done.countDown(); |
358 |
dl |
1.1 |
joinPool(p); |
359 |
|
|
} |
360 |
|
|
} |
361 |
|
|
|
362 |
|
|
/** |
363 |
|
|
* drainTasksTo transfers unexecuted submitted tasks, if present |
364 |
|
|
*/ |
365 |
|
|
public void testDrainTasksTo() { |
366 |
jsr166 |
1.36 |
final CountDownLatch done = new CountDownLatch(1); |
367 |
jsr166 |
1.23 |
SubFJP p = new SubFJP(); |
368 |
dl |
1.1 |
try { |
369 |
jsr166 |
1.36 |
ForkJoinTask a = p.submit(awaiter(done)); |
370 |
|
|
ForkJoinTask b = p.submit(awaiter(done)); |
371 |
|
|
ForkJoinTask c = p.submit(awaiter(done)); |
372 |
dl |
1.1 |
ArrayList<ForkJoinTask> al = new ArrayList(); |
373 |
|
|
p.drainTasksTo(al); |
374 |
|
|
assertTrue(al.size() > 0); |
375 |
|
|
for (ForkJoinTask r : al) { |
376 |
|
|
assertTrue(r == a || r == b || r == c); |
377 |
|
|
assertFalse(r.isDone()); |
378 |
|
|
} |
379 |
|
|
} finally { |
380 |
jsr166 |
1.36 |
done.countDown(); |
381 |
dl |
1.1 |
joinPool(p); |
382 |
|
|
} |
383 |
|
|
} |
384 |
|
|
|
385 |
|
|
// FJ Versions of AbstractExecutorService tests |
386 |
|
|
|
387 |
|
|
/** |
388 |
|
|
* execute(runnable) runs it to completion |
389 |
|
|
*/ |
390 |
jsr166 |
1.6 |
public void testExecuteRunnable() throws Throwable { |
391 |
|
|
ExecutorService e = new ForkJoinPool(1); |
392 |
jsr166 |
1.23 |
try { |
393 |
jsr166 |
1.42 |
final AtomicBoolean done = new AtomicBoolean(false); |
394 |
|
|
CheckedRunnable task = new CheckedRunnable() { |
395 |
|
|
public void realRun() { |
396 |
|
|
done.set(true); |
397 |
|
|
}}; |
398 |
jsr166 |
1.23 |
Future<?> future = e.submit(task); |
399 |
jsr166 |
1.34 |
assertNull(future.get()); |
400 |
jsr166 |
1.42 |
assertNull(future.get(0, MILLISECONDS)); |
401 |
|
|
assertTrue(done.get()); |
402 |
jsr166 |
1.36 |
assertTrue(future.isDone()); |
403 |
jsr166 |
1.34 |
assertFalse(future.isCancelled()); |
404 |
jsr166 |
1.23 |
} finally { |
405 |
|
|
joinPool(e); |
406 |
|
|
} |
407 |
dl |
1.1 |
} |
408 |
|
|
|
409 |
|
|
/** |
410 |
|
|
* Completed submit(callable) returns result |
411 |
|
|
*/ |
412 |
jsr166 |
1.6 |
public void testSubmitCallable() throws Throwable { |
413 |
|
|
ExecutorService e = new ForkJoinPool(1); |
414 |
jsr166 |
1.23 |
try { |
415 |
|
|
Future<String> future = e.submit(new StringTask()); |
416 |
jsr166 |
1.34 |
assertSame(TEST_STRING, future.get()); |
417 |
|
|
assertTrue(future.isDone()); |
418 |
|
|
assertFalse(future.isCancelled()); |
419 |
jsr166 |
1.23 |
} finally { |
420 |
|
|
joinPool(e); |
421 |
|
|
} |
422 |
dl |
1.1 |
} |
423 |
|
|
|
424 |
|
|
/** |
425 |
|
|
* Completed submit(runnable) returns successfully |
426 |
|
|
*/ |
427 |
jsr166 |
1.6 |
public void testSubmitRunnable() throws Throwable { |
428 |
|
|
ExecutorService e = new ForkJoinPool(1); |
429 |
jsr166 |
1.23 |
try { |
430 |
|
|
Future<?> future = e.submit(new NoOpRunnable()); |
431 |
jsr166 |
1.34 |
assertNull(future.get()); |
432 |
jsr166 |
1.23 |
assertTrue(future.isDone()); |
433 |
jsr166 |
1.34 |
assertFalse(future.isCancelled()); |
434 |
jsr166 |
1.23 |
} finally { |
435 |
|
|
joinPool(e); |
436 |
|
|
} |
437 |
dl |
1.1 |
} |
438 |
|
|
|
439 |
|
|
/** |
440 |
|
|
* Completed submit(runnable, result) returns result |
441 |
|
|
*/ |
442 |
jsr166 |
1.6 |
public void testSubmitRunnable2() throws Throwable { |
443 |
|
|
ExecutorService e = new ForkJoinPool(1); |
444 |
jsr166 |
1.23 |
try { |
445 |
|
|
Future<String> future = e.submit(new NoOpRunnable(), TEST_STRING); |
446 |
jsr166 |
1.34 |
assertSame(TEST_STRING, future.get()); |
447 |
|
|
assertTrue(future.isDone()); |
448 |
|
|
assertFalse(future.isCancelled()); |
449 |
jsr166 |
1.23 |
} finally { |
450 |
|
|
joinPool(e); |
451 |
|
|
} |
452 |
dl |
1.1 |
} |
453 |
|
|
|
454 |
|
|
/** |
455 |
jsr166 |
1.33 |
* A submitted privileged action runs to completion |
456 |
dl |
1.1 |
*/ |
457 |
dl |
1.35 |
public void testSubmitPrivilegedAction() throws Exception { |
458 |
|
|
Runnable r = new CheckedRunnable() { |
459 |
|
|
public void realRun() throws Exception { |
460 |
|
|
ExecutorService e = new ForkJoinPool(1); |
461 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedAction() { |
462 |
dl |
1.1 |
public Object run() { |
463 |
|
|
return TEST_STRING; |
464 |
|
|
}})); |
465 |
|
|
|
466 |
dl |
1.35 |
assertSame(TEST_STRING, future.get()); |
467 |
|
|
}}; |
468 |
|
|
|
469 |
|
|
runWithPermissions(r, |
470 |
|
|
new RuntimePermission("modifyThread")); |
471 |
dl |
1.1 |
} |
472 |
|
|
|
473 |
|
|
/** |
474 |
jsr166 |
1.33 |
* A submitted privileged exception action runs to completion |
475 |
dl |
1.1 |
*/ |
476 |
dl |
1.35 |
public void testSubmitPrivilegedExceptionAction() throws Exception { |
477 |
|
|
Runnable r = new CheckedRunnable() { |
478 |
|
|
public void realRun() throws Exception { |
479 |
|
|
ExecutorService e = new ForkJoinPool(1); |
480 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
481 |
dl |
1.1 |
public Object run() { |
482 |
|
|
return TEST_STRING; |
483 |
|
|
}})); |
484 |
|
|
|
485 |
dl |
1.35 |
assertSame(TEST_STRING, future.get()); |
486 |
|
|
}}; |
487 |
|
|
|
488 |
|
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
489 |
dl |
1.1 |
} |
490 |
|
|
|
491 |
|
|
/** |
492 |
|
|
* A submitted failed privileged exception action reports exception |
493 |
|
|
*/ |
494 |
dl |
1.35 |
public void testSubmitFailedPrivilegedExceptionAction() throws Exception { |
495 |
|
|
Runnable r = new CheckedRunnable() { |
496 |
|
|
public void realRun() throws Exception { |
497 |
|
|
ExecutorService e = new ForkJoinPool(1); |
498 |
jsr166 |
1.23 |
Future future = e.submit(Executors.callable(new PrivilegedExceptionAction() { |
499 |
dl |
1.1 |
public Object run() throws Exception { |
500 |
|
|
throw new IndexOutOfBoundsException(); |
501 |
|
|
}})); |
502 |
|
|
|
503 |
dl |
1.35 |
try { |
504 |
|
|
future.get(); |
505 |
|
|
shouldThrow(); |
506 |
|
|
} catch (ExecutionException success) { |
507 |
|
|
assertTrue(success.getCause() instanceof IndexOutOfBoundsException); |
508 |
|
|
}}}; |
509 |
|
|
|
510 |
|
|
runWithPermissions(r, new RuntimePermission("modifyThread")); |
511 |
dl |
1.1 |
} |
512 |
|
|
|
513 |
|
|
/** |
514 |
jsr166 |
1.6 |
* execute(null runnable) throws NullPointerException |
515 |
dl |
1.1 |
*/ |
516 |
|
|
public void testExecuteNullRunnable() { |
517 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
518 |
dl |
1.1 |
try { |
519 |
jsr166 |
1.31 |
Future<?> future = e.submit((Runnable) null); |
520 |
dl |
1.1 |
shouldThrow(); |
521 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
522 |
|
|
} finally { |
523 |
|
|
joinPool(e); |
524 |
|
|
} |
525 |
dl |
1.1 |
} |
526 |
|
|
|
527 |
|
|
/** |
528 |
jsr166 |
1.6 |
* submit(null callable) throws NullPointerException |
529 |
dl |
1.1 |
*/ |
530 |
|
|
public void testSubmitNullCallable() { |
531 |
jsr166 |
1.23 |
ExecutorService e = new ForkJoinPool(1); |
532 |
dl |
1.1 |
try { |
533 |
jsr166 |
1.31 |
Future<String> future = e.submit((Callable) null); |
534 |
dl |
1.1 |
shouldThrow(); |
535 |
jsr166 |
1.23 |
} catch (NullPointerException success) { |
536 |
|
|
} finally { |
537 |
|
|
joinPool(e); |
538 |
|
|
} |
539 |
dl |
1.1 |
} |
540 |
|
|
|
541 |
|
|
/** |
542 |
jsr166 |
1.27 |
* submit(callable).get() throws InterruptedException if interrupted |
543 |
dl |
1.1 |
*/ |
544 |
jsr166 |
1.6 |
public void testInterruptedSubmit() throws InterruptedException { |
545 |
jsr166 |
1.27 |
final CountDownLatch submitted = new CountDownLatch(1); |
546 |
|
|
final CountDownLatch quittingTime = new CountDownLatch(1); |
547 |
|
|
final ExecutorService p = new ForkJoinPool(1); |
548 |
|
|
final Callable<Void> awaiter = new CheckedCallable<Void>() { |
549 |
|
|
public Void realCall() throws InterruptedException { |
550 |
|
|
assertTrue(quittingTime.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
551 |
|
|
return null; |
552 |
|
|
}}; |
553 |
|
|
try { |
554 |
|
|
Thread t = new Thread(new CheckedInterruptedRunnable() { |
555 |
|
|
public void realRun() throws Exception { |
556 |
|
|
Future<Void> future = p.submit(awaiter); |
557 |
|
|
submitted.countDown(); |
558 |
|
|
future.get(); |
559 |
|
|
}}); |
560 |
|
|
t.start(); |
561 |
|
|
assertTrue(submitted.await(MEDIUM_DELAY_MS, MILLISECONDS)); |
562 |
|
|
t.interrupt(); |
563 |
|
|
t.join(); |
564 |
|
|
} finally { |
565 |
|
|
quittingTime.countDown(); |
566 |
|
|
joinPool(p); |
567 |
|
|
} |
568 |
dl |
1.1 |
} |
569 |
|
|
|
570 |
|
|
/** |
571 |
jsr166 |
1.4 |
* get of submit(callable) throws ExecutionException if callable |
572 |
|
|
* throws exception |
573 |
dl |
1.1 |
*/ |
574 |
jsr166 |
1.6 |
public void testSubmitEE() throws Throwable { |
575 |
dl |
1.1 |
ForkJoinPool p = new ForkJoinPool(1); |
576 |
|
|
try { |
577 |
jsr166 |
1.8 |
p.submit(new Callable() { |
578 |
|
|
public Object call() { |
579 |
|
|
int i = 5/0; |
580 |
|
|
return Boolean.TRUE; |
581 |
|
|
}}).get(); |
582 |
dl |
1.1 |
shouldThrow(); |
583 |
jsr166 |
1.12 |
} catch (ExecutionException success) { |
584 |
|
|
assertTrue(success.getCause() instanceof ArithmeticException); |
585 |
jsr166 |
1.23 |
} finally { |
586 |
|
|
joinPool(p); |
587 |
jsr166 |
1.12 |
} |
588 |
dl |
1.1 |
} |
589 |
|
|
|
590 |
|
|
/** |
591 |
jsr166 |
1.6 |
* invokeAny(null) throws NullPointerException |
592 |
dl |
1.1 |
*/ |
593 |
jsr166 |
1.6 |
public void testInvokeAny1() throws Throwable { |
594 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
595 |
|
|
try { |
596 |
|
|
e.invokeAny(null); |
597 |
jsr166 |
1.6 |
shouldThrow(); |
598 |
dl |
1.1 |
} catch (NullPointerException success) { |
599 |
|
|
} finally { |
600 |
|
|
joinPool(e); |
601 |
|
|
} |
602 |
|
|
} |
603 |
|
|
|
604 |
|
|
/** |
605 |
jsr166 |
1.6 |
* invokeAny(empty collection) throws IllegalArgumentException |
606 |
dl |
1.1 |
*/ |
607 |
jsr166 |
1.6 |
public void testInvokeAny2() throws Throwable { |
608 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
609 |
|
|
try { |
610 |
|
|
e.invokeAny(new ArrayList<Callable<String>>()); |
611 |
jsr166 |
1.6 |
shouldThrow(); |
612 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
613 |
|
|
} finally { |
614 |
|
|
joinPool(e); |
615 |
|
|
} |
616 |
|
|
} |
617 |
|
|
|
618 |
|
|
/** |
619 |
jsr166 |
1.9 |
* invokeAny(c) throws NullPointerException if c has a single null element |
620 |
|
|
*/ |
621 |
|
|
public void testInvokeAny3() throws Throwable { |
622 |
|
|
ExecutorService e = new ForkJoinPool(1); |
623 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
624 |
|
|
l.add(null); |
625 |
jsr166 |
1.9 |
try { |
626 |
|
|
e.invokeAny(l); |
627 |
|
|
shouldThrow(); |
628 |
|
|
} catch (NullPointerException success) { |
629 |
|
|
} finally { |
630 |
|
|
joinPool(e); |
631 |
|
|
} |
632 |
|
|
} |
633 |
|
|
|
634 |
|
|
/** |
635 |
jsr166 |
1.6 |
* invokeAny(c) throws NullPointerException if c has null elements |
636 |
dl |
1.1 |
*/ |
637 |
jsr166 |
1.9 |
public void testInvokeAny4() throws Throwable { |
638 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
639 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
640 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
641 |
|
|
l.add(latchAwaitingStringTask(latch)); |
642 |
|
|
l.add(null); |
643 |
dl |
1.1 |
try { |
644 |
|
|
e.invokeAny(l); |
645 |
jsr166 |
1.6 |
shouldThrow(); |
646 |
dl |
1.1 |
} catch (NullPointerException success) { |
647 |
|
|
} finally { |
648 |
jsr166 |
1.16 |
latch.countDown(); |
649 |
dl |
1.1 |
joinPool(e); |
650 |
|
|
} |
651 |
|
|
} |
652 |
|
|
|
653 |
|
|
/** |
654 |
|
|
* invokeAny(c) throws ExecutionException if no task in c completes |
655 |
|
|
*/ |
656 |
jsr166 |
1.9 |
public void testInvokeAny5() throws Throwable { |
657 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
658 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
659 |
|
|
l.add(new NPETask()); |
660 |
dl |
1.1 |
try { |
661 |
|
|
e.invokeAny(l); |
662 |
jsr166 |
1.6 |
shouldThrow(); |
663 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
664 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
665 |
dl |
1.1 |
} finally { |
666 |
|
|
joinPool(e); |
667 |
|
|
} |
668 |
|
|
} |
669 |
|
|
|
670 |
|
|
/** |
671 |
|
|
* invokeAny(c) returns result of some task in c if at least one completes |
672 |
|
|
*/ |
673 |
jsr166 |
1.9 |
public void testInvokeAny6() throws Throwable { |
674 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
675 |
|
|
try { |
676 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
677 |
dl |
1.1 |
l.add(new StringTask()); |
678 |
|
|
l.add(new StringTask()); |
679 |
|
|
String result = e.invokeAny(l); |
680 |
|
|
assertSame(TEST_STRING, result); |
681 |
|
|
} finally { |
682 |
|
|
joinPool(e); |
683 |
|
|
} |
684 |
|
|
} |
685 |
|
|
|
686 |
|
|
/** |
687 |
jsr166 |
1.6 |
* invokeAll(null) throws NullPointerException |
688 |
dl |
1.1 |
*/ |
689 |
jsr166 |
1.6 |
public void testInvokeAll1() throws Throwable { |
690 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
691 |
|
|
try { |
692 |
|
|
e.invokeAll(null); |
693 |
jsr166 |
1.6 |
shouldThrow(); |
694 |
dl |
1.1 |
} catch (NullPointerException success) { |
695 |
|
|
} finally { |
696 |
|
|
joinPool(e); |
697 |
|
|
} |
698 |
|
|
} |
699 |
|
|
|
700 |
|
|
/** |
701 |
|
|
* invokeAll(empty collection) returns empty collection |
702 |
|
|
*/ |
703 |
jsr166 |
1.6 |
public void testInvokeAll2() throws InterruptedException { |
704 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
705 |
|
|
try { |
706 |
jsr166 |
1.6 |
List<Future<String>> r |
707 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>()); |
708 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
709 |
|
|
} finally { |
710 |
|
|
joinPool(e); |
711 |
|
|
} |
712 |
|
|
} |
713 |
|
|
|
714 |
|
|
/** |
715 |
jsr166 |
1.6 |
* invokeAll(c) throws NullPointerException if c has null elements |
716 |
dl |
1.1 |
*/ |
717 |
jsr166 |
1.6 |
public void testInvokeAll3() throws InterruptedException { |
718 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
719 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
720 |
|
|
l.add(new StringTask()); |
721 |
|
|
l.add(null); |
722 |
dl |
1.1 |
try { |
723 |
|
|
e.invokeAll(l); |
724 |
jsr166 |
1.6 |
shouldThrow(); |
725 |
dl |
1.1 |
} catch (NullPointerException success) { |
726 |
|
|
} finally { |
727 |
|
|
joinPool(e); |
728 |
|
|
} |
729 |
|
|
} |
730 |
|
|
|
731 |
|
|
/** |
732 |
jsr166 |
1.6 |
* get of returned element of invokeAll(c) throws |
733 |
|
|
* ExecutionException on failed task |
734 |
dl |
1.1 |
*/ |
735 |
jsr166 |
1.6 |
public void testInvokeAll4() throws Throwable { |
736 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
737 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
738 |
|
|
l.add(new NPETask()); |
739 |
|
|
List<Future<String>> futures = e.invokeAll(l); |
740 |
|
|
assertEquals(1, futures.size()); |
741 |
dl |
1.1 |
try { |
742 |
jsr166 |
1.16 |
futures.get(0).get(); |
743 |
jsr166 |
1.6 |
shouldThrow(); |
744 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
745 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
746 |
dl |
1.1 |
} finally { |
747 |
|
|
joinPool(e); |
748 |
|
|
} |
749 |
|
|
} |
750 |
|
|
|
751 |
|
|
/** |
752 |
|
|
* invokeAll(c) returns results of all completed tasks in c |
753 |
|
|
*/ |
754 |
jsr166 |
1.6 |
public void testInvokeAll5() throws Throwable { |
755 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
756 |
|
|
try { |
757 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
758 |
dl |
1.1 |
l.add(new StringTask()); |
759 |
|
|
l.add(new StringTask()); |
760 |
jsr166 |
1.16 |
List<Future<String>> futures = e.invokeAll(l); |
761 |
|
|
assertEquals(2, futures.size()); |
762 |
|
|
for (Future<String> future : futures) |
763 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
764 |
dl |
1.1 |
} finally { |
765 |
|
|
joinPool(e); |
766 |
|
|
} |
767 |
|
|
} |
768 |
|
|
|
769 |
|
|
/** |
770 |
jsr166 |
1.6 |
* timed invokeAny(null) throws NullPointerException |
771 |
dl |
1.1 |
*/ |
772 |
jsr166 |
1.6 |
public void testTimedInvokeAny1() throws Throwable { |
773 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
774 |
|
|
try { |
775 |
jsr166 |
1.27 |
e.invokeAny(null, MEDIUM_DELAY_MS, MILLISECONDS); |
776 |
jsr166 |
1.6 |
shouldThrow(); |
777 |
dl |
1.1 |
} catch (NullPointerException success) { |
778 |
|
|
} finally { |
779 |
|
|
joinPool(e); |
780 |
|
|
} |
781 |
|
|
} |
782 |
|
|
|
783 |
|
|
/** |
784 |
jsr166 |
1.6 |
* timed invokeAny(null time unit) throws NullPointerException |
785 |
dl |
1.1 |
*/ |
786 |
jsr166 |
1.6 |
public void testTimedInvokeAnyNullTimeUnit() throws Throwable { |
787 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
788 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
789 |
|
|
l.add(new StringTask()); |
790 |
dl |
1.1 |
try { |
791 |
|
|
e.invokeAny(l, MEDIUM_DELAY_MS, null); |
792 |
jsr166 |
1.6 |
shouldThrow(); |
793 |
dl |
1.1 |
} catch (NullPointerException success) { |
794 |
|
|
} finally { |
795 |
|
|
joinPool(e); |
796 |
|
|
} |
797 |
|
|
} |
798 |
|
|
|
799 |
|
|
/** |
800 |
jsr166 |
1.6 |
* timed invokeAny(empty collection) throws IllegalArgumentException |
801 |
dl |
1.1 |
*/ |
802 |
jsr166 |
1.6 |
public void testTimedInvokeAny2() throws Throwable { |
803 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
804 |
|
|
try { |
805 |
jsr166 |
1.6 |
e.invokeAny(new ArrayList<Callable<String>>(), |
806 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
807 |
jsr166 |
1.6 |
shouldThrow(); |
808 |
dl |
1.1 |
} catch (IllegalArgumentException success) { |
809 |
|
|
} finally { |
810 |
|
|
joinPool(e); |
811 |
|
|
} |
812 |
|
|
} |
813 |
|
|
|
814 |
|
|
/** |
815 |
jsr166 |
1.6 |
* timed invokeAny(c) throws NullPointerException if c has null elements |
816 |
dl |
1.1 |
*/ |
817 |
jsr166 |
1.6 |
public void testTimedInvokeAny3() throws Throwable { |
818 |
jsr166 |
1.16 |
CountDownLatch latch = new CountDownLatch(1); |
819 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
820 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
821 |
|
|
l.add(latchAwaitingStringTask(latch)); |
822 |
|
|
l.add(null); |
823 |
dl |
1.1 |
try { |
824 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
825 |
jsr166 |
1.6 |
shouldThrow(); |
826 |
dl |
1.1 |
} catch (NullPointerException success) { |
827 |
|
|
} finally { |
828 |
jsr166 |
1.15 |
latch.countDown(); |
829 |
dl |
1.1 |
joinPool(e); |
830 |
|
|
} |
831 |
|
|
} |
832 |
|
|
|
833 |
|
|
/** |
834 |
|
|
* timed invokeAny(c) throws ExecutionException if no task completes |
835 |
|
|
*/ |
836 |
jsr166 |
1.6 |
public void testTimedInvokeAny4() throws Throwable { |
837 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
838 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
839 |
|
|
l.add(new NPETask()); |
840 |
dl |
1.1 |
try { |
841 |
jsr166 |
1.27 |
e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
842 |
jsr166 |
1.6 |
shouldThrow(); |
843 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
844 |
jsr166 |
1.11 |
assertTrue(success.getCause() instanceof NullPointerException); |
845 |
dl |
1.1 |
} finally { |
846 |
|
|
joinPool(e); |
847 |
|
|
} |
848 |
|
|
} |
849 |
|
|
|
850 |
|
|
/** |
851 |
|
|
* timed invokeAny(c) returns result of some task in c |
852 |
|
|
*/ |
853 |
jsr166 |
1.6 |
public void testTimedInvokeAny5() throws Throwable { |
854 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
855 |
|
|
try { |
856 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
857 |
dl |
1.1 |
l.add(new StringTask()); |
858 |
|
|
l.add(new StringTask()); |
859 |
jsr166 |
1.27 |
String result = e.invokeAny(l, MEDIUM_DELAY_MS, MILLISECONDS); |
860 |
dl |
1.1 |
assertSame(TEST_STRING, result); |
861 |
|
|
} finally { |
862 |
|
|
joinPool(e); |
863 |
|
|
} |
864 |
|
|
} |
865 |
|
|
|
866 |
|
|
/** |
867 |
jsr166 |
1.6 |
* timed invokeAll(null) throws NullPointerException |
868 |
dl |
1.1 |
*/ |
869 |
jsr166 |
1.6 |
public void testTimedInvokeAll1() throws Throwable { |
870 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
871 |
|
|
try { |
872 |
jsr166 |
1.27 |
e.invokeAll(null, MEDIUM_DELAY_MS, MILLISECONDS); |
873 |
jsr166 |
1.6 |
shouldThrow(); |
874 |
dl |
1.1 |
} catch (NullPointerException success) { |
875 |
|
|
} finally { |
876 |
|
|
joinPool(e); |
877 |
|
|
} |
878 |
|
|
} |
879 |
|
|
|
880 |
|
|
/** |
881 |
jsr166 |
1.6 |
* timed invokeAll(null time unit) throws NullPointerException |
882 |
dl |
1.1 |
*/ |
883 |
jsr166 |
1.6 |
public void testTimedInvokeAllNullTimeUnit() throws Throwable { |
884 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
885 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
886 |
|
|
l.add(new StringTask()); |
887 |
dl |
1.1 |
try { |
888 |
|
|
e.invokeAll(l, MEDIUM_DELAY_MS, null); |
889 |
jsr166 |
1.6 |
shouldThrow(); |
890 |
dl |
1.1 |
} catch (NullPointerException success) { |
891 |
|
|
} finally { |
892 |
|
|
joinPool(e); |
893 |
|
|
} |
894 |
|
|
} |
895 |
|
|
|
896 |
|
|
/** |
897 |
|
|
* timed invokeAll(empty collection) returns empty collection |
898 |
|
|
*/ |
899 |
jsr166 |
1.6 |
public void testTimedInvokeAll2() throws InterruptedException { |
900 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
901 |
|
|
try { |
902 |
jsr166 |
1.6 |
List<Future<String>> r |
903 |
|
|
= e.invokeAll(new ArrayList<Callable<String>>(), |
904 |
jsr166 |
1.27 |
MEDIUM_DELAY_MS, MILLISECONDS); |
905 |
dl |
1.1 |
assertTrue(r.isEmpty()); |
906 |
|
|
} finally { |
907 |
|
|
joinPool(e); |
908 |
|
|
} |
909 |
|
|
} |
910 |
|
|
|
911 |
|
|
/** |
912 |
jsr166 |
1.6 |
* timed invokeAll(c) throws NullPointerException if c has null elements |
913 |
dl |
1.1 |
*/ |
914 |
jsr166 |
1.6 |
public void testTimedInvokeAll3() throws InterruptedException { |
915 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
916 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
917 |
|
|
l.add(new StringTask()); |
918 |
|
|
l.add(null); |
919 |
dl |
1.1 |
try { |
920 |
jsr166 |
1.27 |
e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
921 |
jsr166 |
1.6 |
shouldThrow(); |
922 |
dl |
1.1 |
} catch (NullPointerException success) { |
923 |
|
|
} finally { |
924 |
|
|
joinPool(e); |
925 |
|
|
} |
926 |
|
|
} |
927 |
|
|
|
928 |
|
|
/** |
929 |
|
|
* get of returned element of invokeAll(c) throws exception on failed task |
930 |
|
|
*/ |
931 |
jsr166 |
1.6 |
public void testTimedInvokeAll4() throws Throwable { |
932 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
933 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
934 |
|
|
l.add(new NPETask()); |
935 |
|
|
List<Future<String>> futures |
936 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
937 |
jsr166 |
1.16 |
assertEquals(1, futures.size()); |
938 |
dl |
1.1 |
try { |
939 |
jsr166 |
1.16 |
futures.get(0).get(); |
940 |
jsr166 |
1.6 |
shouldThrow(); |
941 |
jsr166 |
1.2 |
} catch (ExecutionException success) { |
942 |
jsr166 |
1.12 |
assertTrue(success.getCause() instanceof NullPointerException); |
943 |
dl |
1.1 |
} finally { |
944 |
|
|
joinPool(e); |
945 |
|
|
} |
946 |
|
|
} |
947 |
|
|
|
948 |
|
|
/** |
949 |
|
|
* timed invokeAll(c) returns results of all completed tasks in c |
950 |
|
|
*/ |
951 |
jsr166 |
1.6 |
public void testTimedInvokeAll5() throws Throwable { |
952 |
dl |
1.1 |
ExecutorService e = new ForkJoinPool(1); |
953 |
|
|
try { |
954 |
jsr166 |
1.16 |
List<Callable<String>> l = new ArrayList<Callable<String>>(); |
955 |
dl |
1.1 |
l.add(new StringTask()); |
956 |
|
|
l.add(new StringTask()); |
957 |
jsr166 |
1.16 |
List<Future<String>> futures |
958 |
jsr166 |
1.27 |
= e.invokeAll(l, MEDIUM_DELAY_MS, MILLISECONDS); |
959 |
jsr166 |
1.16 |
assertEquals(2, futures.size()); |
960 |
|
|
for (Future<String> future : futures) |
961 |
jsr166 |
1.6 |
assertSame(TEST_STRING, future.get()); |
962 |
dl |
1.1 |
} finally { |
963 |
|
|
joinPool(e); |
964 |
|
|
} |
965 |
|
|
} |
966 |
|
|
|
967 |
|
|
} |