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/* |
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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 |
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* http://creativecommons.org/licenses/publicdomain |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.*; |
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import java.util.*; |
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|
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import static java.util.concurrent.TimeUnit.SECONDS; |
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|
9 |
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import java.util.Arrays; |
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import java.util.HashSet; |
11 |
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import java.util.concurrent.CancellationException; |
12 |
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import java.util.concurrent.ExecutionException; |
13 |
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import java.util.concurrent.ForkJoinPool; |
14 |
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import java.util.concurrent.ForkJoinTask; |
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import java.util.concurrent.ForkJoinWorkerThread; |
16 |
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import java.util.concurrent.RecursiveAction; |
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import java.util.concurrent.SynchronousQueue; |
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import java.util.concurrent.ThreadLocalRandom; |
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import java.util.concurrent.TimeoutException; |
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|
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class RecursiveActionTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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|
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public static Test suite() { |
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return new TestSuite(RecursiveActionTest.class); |
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} |
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|
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static final ForkJoinPool mainPool = new ForkJoinPool(); |
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static final ForkJoinPool singletonPool = new ForkJoinPool(1); |
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static final ForkJoinPool asyncSingletonPool = |
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new ForkJoinPool(1, ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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null, true); |
34 |
> |
private static ForkJoinPool mainPool() { |
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return new ForkJoinPool(); |
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} |
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|
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private static ForkJoinPool singletonPool() { |
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return new ForkJoinPool(1); |
40 |
> |
} |
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|
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private static ForkJoinPool asyncSingletonPool() { |
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return new ForkJoinPool(1, |
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ForkJoinPool.defaultForkJoinWorkerThreadFactory, |
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null, true); |
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} |
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|
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private void testInvokeOnPool(ForkJoinPool pool, RecursiveAction a) { |
49 |
> |
try (PoolCleaner cleaner = cleaner(pool)) { |
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checkNotDone(a); |
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|
52 |
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assertNull(pool.invoke(a)); |
53 |
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|
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checkCompletedNormally(a); |
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} |
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} |
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|
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void checkNotDone(RecursiveAction a) { |
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assertFalse(a.isDone()); |
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assertFalse(a.isCompletedNormally()); |
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assertFalse(a.isCompletedAbnormally()); |
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assertFalse(a.isCancelled()); |
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> |
assertNull(a.getException()); |
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assertNull(a.getRawResult()); |
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|
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> |
if (! ForkJoinTask.inForkJoinPool()) { |
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> |
Thread.currentThread().interrupt(); |
68 |
> |
try { |
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> |
a.get(); |
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shouldThrow(); |
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> |
} catch (InterruptedException success) { |
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> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
73 |
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|
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> |
Thread.currentThread().interrupt(); |
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> |
try { |
76 |
> |
a.get(5L, SECONDS); |
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> |
shouldThrow(); |
78 |
> |
} catch (InterruptedException success) { |
79 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
80 |
> |
} |
81 |
> |
|
82 |
> |
try { |
83 |
> |
a.get(0L, SECONDS); |
84 |
> |
shouldThrow(); |
85 |
> |
} catch (TimeoutException success) { |
86 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
87 |
> |
} |
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|
89 |
> |
void checkCompletedNormally(RecursiveAction a) { |
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assertTrue(a.isDone()); |
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assertFalse(a.isCancelled()); |
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> |
assertTrue(a.isCompletedNormally()); |
93 |
> |
assertFalse(a.isCompletedAbnormally()); |
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> |
assertNull(a.getException()); |
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> |
assertNull(a.getRawResult()); |
96 |
> |
assertNull(a.join()); |
97 |
> |
assertFalse(a.cancel(false)); |
98 |
> |
assertFalse(a.cancel(true)); |
99 |
> |
try { |
100 |
> |
assertNull(a.get()); |
101 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
102 |
> |
try { |
103 |
> |
assertNull(a.get(5L, SECONDS)); |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
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} |
106 |
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|
107 |
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void checkCancelled(RecursiveAction a) { |
108 |
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assertTrue(a.isDone()); |
109 |
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assertTrue(a.isCancelled()); |
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assertFalse(a.isCompletedNormally()); |
111 |
> |
assertTrue(a.isCompletedAbnormally()); |
112 |
> |
assertTrue(a.getException() instanceof CancellationException); |
113 |
> |
assertNull(a.getRawResult()); |
114 |
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|
115 |
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try { |
116 |
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a.join(); |
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shouldThrow(); |
118 |
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} catch (CancellationException success) { |
119 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
120 |
> |
|
121 |
> |
try { |
122 |
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a.get(); |
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shouldThrow(); |
124 |
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} catch (CancellationException success) { |
125 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
126 |
> |
|
127 |
> |
try { |
128 |
> |
a.get(5L, SECONDS); |
129 |
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shouldThrow(); |
130 |
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} catch (CancellationException success) { |
131 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
132 |
> |
} |
133 |
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|
134 |
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void checkCompletedAbnormally(RecursiveAction a, Throwable t) { |
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assertTrue(a.isDone()); |
136 |
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assertFalse(a.isCancelled()); |
137 |
> |
assertFalse(a.isCompletedNormally()); |
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> |
assertTrue(a.isCompletedAbnormally()); |
139 |
> |
assertSame(t.getClass(), a.getException().getClass()); |
140 |
> |
assertNull(a.getRawResult()); |
141 |
> |
assertFalse(a.cancel(false)); |
142 |
> |
assertFalse(a.cancel(true)); |
143 |
> |
|
144 |
> |
try { |
145 |
> |
a.join(); |
146 |
> |
shouldThrow(); |
147 |
> |
} catch (Throwable expected) { |
148 |
> |
assertSame(expected.getClass(), t.getClass()); |
149 |
> |
} |
150 |
|
|
151 |
< |
static final class FJException extends RuntimeException { |
152 |
< |
FJException() { super(); } |
151 |
> |
try { |
152 |
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a.get(); |
153 |
> |
shouldThrow(); |
154 |
> |
} catch (ExecutionException success) { |
155 |
> |
assertSame(t.getClass(), success.getCause().getClass()); |
156 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
157 |
> |
|
158 |
> |
try { |
159 |
> |
a.get(5L, SECONDS); |
160 |
> |
shouldThrow(); |
161 |
> |
} catch (ExecutionException success) { |
162 |
> |
assertSame(t.getClass(), success.getCause().getClass()); |
163 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
164 |
> |
} |
165 |
> |
|
166 |
> |
public static final class FJException extends RuntimeException { |
167 |
> |
public FJException() { super(); } |
168 |
> |
public FJException(Throwable cause) { super(cause); } |
169 |
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} |
170 |
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|
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// A simple recursive action for testing |
172 |
< |
static final class FibAction extends RecursiveAction { |
172 |
> |
final class FibAction extends CheckedRecursiveAction { |
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final int number; |
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int result; |
175 |
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FibAction(int n) { number = n; } |
176 |
< |
public void compute() { |
176 |
> |
protected void realCompute() { |
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int n = number; |
178 |
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if (n <= 1) |
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result = n; |
208 |
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* invoke returns when task completes normally. |
209 |
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* isCompletedAbnormally and isCancelled return false for normally |
210 |
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* completed tasks. getRawResult of a RecursiveAction returns null; |
70 |
– |
* |
211 |
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*/ |
212 |
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public void testInvoke() { |
213 |
< |
RecursiveAction a = new RecursiveAction() { |
214 |
< |
public void compute() { |
213 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
214 |
> |
protected void realCompute() { |
215 |
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FibAction f = new FibAction(8); |
216 |
< |
f.invoke(); |
217 |
< |
threadAssertTrue(f.result == 21); |
218 |
< |
threadAssertTrue(f.isDone()); |
79 |
< |
threadAssertFalse(f.isCancelled()); |
80 |
< |
threadAssertFalse(f.isCompletedAbnormally()); |
81 |
< |
threadAssertTrue(f.getRawResult() == null); |
216 |
> |
assertNull(f.invoke()); |
217 |
> |
assertEquals(21, f.result); |
218 |
> |
checkCompletedNormally(f); |
219 |
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}}; |
220 |
< |
mainPool.invoke(a); |
220 |
> |
testInvokeOnPool(mainPool(), a); |
221 |
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} |
222 |
|
|
223 |
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/** |
226 |
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* completed tasks |
227 |
|
*/ |
228 |
|
public void testQuietlyInvoke() { |
229 |
< |
RecursiveAction a = new RecursiveAction() { |
230 |
< |
public void compute() { |
229 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
230 |
> |
protected void realCompute() { |
231 |
|
FibAction f = new FibAction(8); |
232 |
|
f.quietlyInvoke(); |
233 |
< |
threadAssertTrue(f.result == 21); |
234 |
< |
threadAssertTrue(f.isDone()); |
98 |
< |
threadAssertFalse(f.isCancelled()); |
99 |
< |
threadAssertFalse(f.isCompletedAbnormally()); |
100 |
< |
threadAssertTrue(f.getRawResult() == null); |
233 |
> |
assertEquals(21, f.result); |
234 |
> |
checkCompletedNormally(f); |
235 |
|
}}; |
236 |
< |
mainPool.invoke(a); |
236 |
> |
testInvokeOnPool(mainPool(), a); |
237 |
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} |
238 |
|
|
239 |
|
/** |
240 |
|
* join of a forked task returns when task completes |
241 |
|
*/ |
242 |
|
public void testForkJoin() { |
243 |
< |
RecursiveAction a = new RecursiveAction() { |
244 |
< |
public void compute() { |
243 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
244 |
> |
protected void realCompute() { |
245 |
|
FibAction f = new FibAction(8); |
246 |
< |
f.fork(); |
247 |
< |
f.join(); |
248 |
< |
threadAssertTrue(f.result == 21); |
249 |
< |
threadAssertTrue(f.isDone()); |
116 |
< |
threadAssertTrue(f.getRawResult() == null); |
246 |
> |
assertSame(f, f.fork()); |
247 |
> |
assertNull(f.join()); |
248 |
> |
assertEquals(21, f.result); |
249 |
> |
checkCompletedNormally(f); |
250 |
|
}}; |
251 |
< |
mainPool.invoke(a); |
251 |
> |
testInvokeOnPool(mainPool(), a); |
252 |
|
} |
253 |
|
|
254 |
|
/** |
255 |
< |
* get of a forked task returns when task completes |
255 |
> |
* join/quietlyJoin of a forked task succeeds in the presence of interrupts |
256 |
|
*/ |
257 |
< |
public void testForkGet() { |
258 |
< |
RecursiveAction a = new RecursiveAction() { |
259 |
< |
public void compute() { |
257 |
> |
public void testJoinIgnoresInterrupts() { |
258 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
259 |
> |
protected void realCompute() { |
260 |
> |
FibAction f = new FibAction(8); |
261 |
> |
final Thread myself = Thread.currentThread(); |
262 |
> |
|
263 |
> |
// test join() |
264 |
> |
assertSame(f, f.fork()); |
265 |
> |
myself.interrupt(); |
266 |
> |
assertTrue(myself.isInterrupted()); |
267 |
> |
assertNull(f.join()); |
268 |
> |
Thread.interrupted(); |
269 |
> |
assertEquals(21, f.result); |
270 |
> |
checkCompletedNormally(f); |
271 |
> |
|
272 |
> |
f = new FibAction(8); |
273 |
> |
f.cancel(true); |
274 |
> |
assertSame(f, f.fork()); |
275 |
> |
myself.interrupt(); |
276 |
> |
assertTrue(myself.isInterrupted()); |
277 |
|
try { |
278 |
< |
FibAction f = new FibAction(8); |
279 |
< |
f.fork(); |
280 |
< |
f.get(); |
281 |
< |
threadAssertTrue(f.result == 21); |
282 |
< |
threadAssertTrue(f.isDone()); |
283 |
< |
} catch (Exception ex) { |
284 |
< |
unexpectedException(ex); |
278 |
> |
f.join(); |
279 |
> |
shouldThrow(); |
280 |
> |
} catch (CancellationException success) { |
281 |
> |
Thread.interrupted(); |
282 |
> |
checkCancelled(f); |
283 |
> |
} |
284 |
> |
|
285 |
> |
f = new FibAction(8); |
286 |
> |
f.completeExceptionally(new FJException()); |
287 |
> |
assertSame(f, f.fork()); |
288 |
> |
myself.interrupt(); |
289 |
> |
assertTrue(myself.isInterrupted()); |
290 |
> |
try { |
291 |
> |
f.join(); |
292 |
> |
shouldThrow(); |
293 |
> |
} catch (FJException success) { |
294 |
> |
Thread.interrupted(); |
295 |
> |
checkCompletedAbnormally(f, success); |
296 |
|
} |
297 |
+ |
|
298 |
+ |
// test quietlyJoin() |
299 |
+ |
f = new FibAction(8); |
300 |
+ |
assertSame(f, f.fork()); |
301 |
+ |
myself.interrupt(); |
302 |
+ |
assertTrue(myself.isInterrupted()); |
303 |
+ |
f.quietlyJoin(); |
304 |
+ |
Thread.interrupted(); |
305 |
+ |
assertEquals(21, f.result); |
306 |
+ |
checkCompletedNormally(f); |
307 |
+ |
|
308 |
+ |
f = new FibAction(8); |
309 |
+ |
f.cancel(true); |
310 |
+ |
assertSame(f, f.fork()); |
311 |
+ |
myself.interrupt(); |
312 |
+ |
assertTrue(myself.isInterrupted()); |
313 |
+ |
f.quietlyJoin(); |
314 |
+ |
Thread.interrupted(); |
315 |
+ |
checkCancelled(f); |
316 |
+ |
|
317 |
+ |
f = new FibAction(8); |
318 |
+ |
f.completeExceptionally(new FJException()); |
319 |
+ |
assertSame(f, f.fork()); |
320 |
+ |
myself.interrupt(); |
321 |
+ |
assertTrue(myself.isInterrupted()); |
322 |
+ |
f.quietlyJoin(); |
323 |
+ |
Thread.interrupted(); |
324 |
+ |
checkCompletedAbnormally(f, f.getException()); |
325 |
|
}}; |
326 |
< |
mainPool.invoke(a); |
326 |
> |
testInvokeOnPool(mainPool(), a); |
327 |
> |
a.reinitialize(); |
328 |
> |
testInvokeOnPool(singletonPool(), a); |
329 |
|
} |
330 |
|
|
331 |
|
/** |
332 |
< |
* timed get of a forked task returns when task completes |
332 |
> |
* join/quietlyJoin of a forked task when not in ForkJoinPool |
333 |
> |
* succeeds in the presence of interrupts |
334 |
|
*/ |
335 |
< |
public void testForkTimedGet() { |
336 |
< |
RecursiveAction a = new RecursiveAction() { |
337 |
< |
public void compute() { |
335 |
> |
public void testJoinIgnoresInterruptsOutsideForkJoinPool() { |
336 |
> |
final SynchronousQueue<FibAction[]> sq = |
337 |
> |
new SynchronousQueue<FibAction[]>(); |
338 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
339 |
> |
protected void realCompute() throws InterruptedException { |
340 |
> |
FibAction[] fibActions = new FibAction[6]; |
341 |
> |
for (int i = 0; i < fibActions.length; i++) |
342 |
> |
fibActions[i] = new FibAction(8); |
343 |
> |
|
344 |
> |
fibActions[1].cancel(false); |
345 |
> |
fibActions[2].completeExceptionally(new FJException()); |
346 |
> |
fibActions[4].cancel(true); |
347 |
> |
fibActions[5].completeExceptionally(new FJException()); |
348 |
> |
|
349 |
> |
for (int i = 0; i < fibActions.length; i++) |
350 |
> |
fibActions[i].fork(); |
351 |
> |
|
352 |
> |
sq.put(fibActions); |
353 |
> |
|
354 |
> |
helpQuiesce(); |
355 |
> |
}}; |
356 |
> |
|
357 |
> |
Runnable r = new CheckedRunnable() { |
358 |
> |
public void realRun() throws InterruptedException { |
359 |
> |
FibAction[] fibActions = sq.take(); |
360 |
> |
FibAction f; |
361 |
> |
final Thread myself = Thread.currentThread(); |
362 |
> |
|
363 |
> |
// test join() ------------ |
364 |
> |
|
365 |
> |
f = fibActions[0]; |
366 |
> |
assertFalse(ForkJoinTask.inForkJoinPool()); |
367 |
> |
myself.interrupt(); |
368 |
> |
assertTrue(myself.isInterrupted()); |
369 |
> |
assertNull(f.join()); |
370 |
> |
assertTrue(Thread.interrupted()); |
371 |
> |
assertEquals(21, f.result); |
372 |
> |
checkCompletedNormally(f); |
373 |
> |
|
374 |
> |
f = fibActions[1]; |
375 |
> |
myself.interrupt(); |
376 |
> |
assertTrue(myself.isInterrupted()); |
377 |
> |
try { |
378 |
> |
f.join(); |
379 |
> |
shouldThrow(); |
380 |
> |
} catch (CancellationException success) { |
381 |
> |
assertTrue(Thread.interrupted()); |
382 |
> |
checkCancelled(f); |
383 |
> |
} |
384 |
> |
|
385 |
> |
f = fibActions[2]; |
386 |
> |
myself.interrupt(); |
387 |
> |
assertTrue(myself.isInterrupted()); |
388 |
|
try { |
389 |
< |
FibAction f = new FibAction(8); |
390 |
< |
f.fork(); |
391 |
< |
f.get(5L, TimeUnit.SECONDS); |
392 |
< |
threadAssertTrue(f.result == 21); |
393 |
< |
threadAssertTrue(f.isDone()); |
152 |
< |
} catch (Exception ex) { |
153 |
< |
unexpectedException(ex); |
389 |
> |
f.join(); |
390 |
> |
shouldThrow(); |
391 |
> |
} catch (FJException success) { |
392 |
> |
assertTrue(Thread.interrupted()); |
393 |
> |
checkCompletedAbnormally(f, success); |
394 |
|
} |
395 |
+ |
|
396 |
+ |
// test quietlyJoin() --------- |
397 |
+ |
|
398 |
+ |
f = fibActions[3]; |
399 |
+ |
myself.interrupt(); |
400 |
+ |
assertTrue(myself.isInterrupted()); |
401 |
+ |
f.quietlyJoin(); |
402 |
+ |
assertTrue(Thread.interrupted()); |
403 |
+ |
assertEquals(21, f.result); |
404 |
+ |
checkCompletedNormally(f); |
405 |
+ |
|
406 |
+ |
f = fibActions[4]; |
407 |
+ |
myself.interrupt(); |
408 |
+ |
assertTrue(myself.isInterrupted()); |
409 |
+ |
f.quietlyJoin(); |
410 |
+ |
assertTrue(Thread.interrupted()); |
411 |
+ |
checkCancelled(f); |
412 |
+ |
|
413 |
+ |
f = fibActions[5]; |
414 |
+ |
myself.interrupt(); |
415 |
+ |
assertTrue(myself.isInterrupted()); |
416 |
+ |
f.quietlyJoin(); |
417 |
+ |
assertTrue(Thread.interrupted()); |
418 |
+ |
assertTrue(f.getException() instanceof FJException); |
419 |
+ |
checkCompletedAbnormally(f, f.getException()); |
420 |
+ |
}}; |
421 |
+ |
|
422 |
+ |
Thread t; |
423 |
+ |
|
424 |
+ |
t = newStartedThread(r); |
425 |
+ |
testInvokeOnPool(mainPool(), a); |
426 |
+ |
awaitTermination(t); |
427 |
+ |
|
428 |
+ |
a.reinitialize(); |
429 |
+ |
t = newStartedThread(r); |
430 |
+ |
testInvokeOnPool(singletonPool(), a); |
431 |
+ |
awaitTermination(t); |
432 |
+ |
} |
433 |
+ |
|
434 |
+ |
/** |
435 |
+ |
* get of a forked task returns when task completes |
436 |
+ |
*/ |
437 |
+ |
public void testForkGet() { |
438 |
+ |
RecursiveAction a = new CheckedRecursiveAction() { |
439 |
+ |
protected void realCompute() throws Exception { |
440 |
+ |
FibAction f = new FibAction(8); |
441 |
+ |
assertSame(f, f.fork()); |
442 |
+ |
assertNull(f.get()); |
443 |
+ |
assertEquals(21, f.result); |
444 |
+ |
checkCompletedNormally(f); |
445 |
|
}}; |
446 |
< |
mainPool.invoke(a); |
446 |
> |
testInvokeOnPool(mainPool(), a); |
447 |
> |
} |
448 |
> |
|
449 |
> |
/** |
450 |
> |
* timed get of a forked task returns when task completes |
451 |
> |
*/ |
452 |
> |
public void testForkTimedGet() { |
453 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
454 |
> |
protected void realCompute() throws Exception { |
455 |
> |
FibAction f = new FibAction(8); |
456 |
> |
assertSame(f, f.fork()); |
457 |
> |
assertNull(f.get(5L, SECONDS)); |
458 |
> |
assertEquals(21, f.result); |
459 |
> |
checkCompletedNormally(f); |
460 |
> |
}}; |
461 |
> |
testInvokeOnPool(mainPool(), a); |
462 |
|
} |
463 |
|
|
464 |
|
/** |
465 |
|
* timed get with null time unit throws NPE |
466 |
|
*/ |
467 |
|
public void testForkTimedGetNPE() { |
468 |
< |
RecursiveAction a = new RecursiveAction() { |
469 |
< |
public void compute() { |
468 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
469 |
> |
protected void realCompute() throws Exception { |
470 |
> |
FibAction f = new FibAction(8); |
471 |
> |
assertSame(f, f.fork()); |
472 |
|
try { |
166 |
– |
FibAction f = new FibAction(8); |
167 |
– |
f.fork(); |
473 |
|
f.get(5L, null); |
474 |
|
shouldThrow(); |
475 |
< |
} catch (NullPointerException success) { |
171 |
< |
} catch (Exception ex) { |
172 |
< |
unexpectedException(ex); |
173 |
< |
} |
475 |
> |
} catch (NullPointerException success) {} |
476 |
|
}}; |
477 |
< |
mainPool.invoke(a); |
477 |
> |
testInvokeOnPool(mainPool(), a); |
478 |
|
} |
479 |
|
|
480 |
|
/** |
481 |
|
* quietlyJoin of a forked task returns when task completes |
482 |
|
*/ |
483 |
|
public void testForkQuietlyJoin() { |
484 |
< |
RecursiveAction a = new RecursiveAction() { |
485 |
< |
public void compute() { |
484 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
485 |
> |
protected void realCompute() { |
486 |
|
FibAction f = new FibAction(8); |
487 |
< |
f.fork(); |
487 |
> |
assertSame(f, f.fork()); |
488 |
|
f.quietlyJoin(); |
489 |
< |
threadAssertTrue(f.result == 21); |
490 |
< |
threadAssertTrue(f.isDone()); |
489 |
> |
assertEquals(21, f.result); |
490 |
> |
checkCompletedNormally(f); |
491 |
|
}}; |
492 |
< |
mainPool.invoke(a); |
492 |
> |
testInvokeOnPool(mainPool(), a); |
493 |
|
} |
494 |
|
|
193 |
– |
|
495 |
|
/** |
496 |
|
* helpQuiesce returns when tasks are complete. |
497 |
|
* getQueuedTaskCount returns 0 when quiescent |
498 |
|
*/ |
499 |
|
public void testForkHelpQuiesce() { |
500 |
< |
RecursiveAction a = new RecursiveAction() { |
501 |
< |
public void compute() { |
500 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
501 |
> |
protected void realCompute() { |
502 |
|
FibAction f = new FibAction(8); |
503 |
< |
f.fork(); |
504 |
< |
f.helpQuiesce(); |
505 |
< |
threadAssertTrue(f.result == 21); |
506 |
< |
threadAssertTrue(f.isDone()); |
507 |
< |
threadAssertTrue(getQueuedTaskCount() == 0); |
503 |
> |
assertSame(f, f.fork()); |
504 |
> |
helpQuiesce(); |
505 |
> |
while (!f.isDone()) // wait out race |
506 |
> |
; |
507 |
> |
assertEquals(21, f.result); |
508 |
> |
assertEquals(0, getQueuedTaskCount()); |
509 |
> |
checkCompletedNormally(f); |
510 |
|
}}; |
511 |
< |
mainPool.invoke(a); |
511 |
> |
testInvokeOnPool(mainPool(), a); |
512 |
|
} |
513 |
|
|
211 |
– |
|
514 |
|
/** |
515 |
|
* invoke task throws exception when task completes abnormally |
516 |
|
*/ |
517 |
|
public void testAbnormalInvoke() { |
518 |
< |
RecursiveAction a = new RecursiveAction() { |
519 |
< |
public void compute() { |
518 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
519 |
> |
protected void realCompute() { |
520 |
> |
FailingFibAction f = new FailingFibAction(8); |
521 |
|
try { |
219 |
– |
FailingFibAction f = new FailingFibAction(8); |
522 |
|
f.invoke(); |
523 |
|
shouldThrow(); |
524 |
|
} catch (FJException success) { |
525 |
+ |
checkCompletedAbnormally(f, success); |
526 |
|
} |
527 |
|
}}; |
528 |
< |
mainPool.invoke(a); |
528 |
> |
testInvokeOnPool(mainPool(), a); |
529 |
|
} |
530 |
|
|
531 |
|
/** |
532 |
|
* quietlyInvoke task returns when task completes abnormally |
533 |
|
*/ |
534 |
|
public void testAbnormalQuietlyInvoke() { |
535 |
< |
RecursiveAction a = new RecursiveAction() { |
536 |
< |
public void compute() { |
535 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
536 |
> |
protected void realCompute() { |
537 |
|
FailingFibAction f = new FailingFibAction(8); |
538 |
|
f.quietlyInvoke(); |
539 |
< |
threadAssertTrue(f.isDone()); |
539 |
> |
assertTrue(f.getException() instanceof FJException); |
540 |
> |
checkCompletedAbnormally(f, f.getException()); |
541 |
|
}}; |
542 |
< |
mainPool.invoke(a); |
542 |
> |
testInvokeOnPool(mainPool(), a); |
543 |
|
} |
544 |
|
|
545 |
|
/** |
546 |
|
* join of a forked task throws exception when task completes abnormally |
547 |
|
*/ |
548 |
|
public void testAbnormalForkJoin() { |
549 |
< |
RecursiveAction a = new RecursiveAction() { |
550 |
< |
public void compute() { |
549 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
550 |
> |
protected void realCompute() { |
551 |
> |
FailingFibAction f = new FailingFibAction(8); |
552 |
> |
assertSame(f, f.fork()); |
553 |
|
try { |
248 |
– |
FailingFibAction f = new FailingFibAction(8); |
249 |
– |
f.fork(); |
554 |
|
f.join(); |
555 |
|
shouldThrow(); |
556 |
|
} catch (FJException success) { |
557 |
+ |
checkCompletedAbnormally(f, success); |
558 |
|
} |
559 |
|
}}; |
560 |
< |
mainPool.invoke(a); |
560 |
> |
testInvokeOnPool(mainPool(), a); |
561 |
|
} |
562 |
|
|
563 |
|
/** |
564 |
|
* get of a forked task throws exception when task completes abnormally |
565 |
|
*/ |
566 |
|
public void testAbnormalForkGet() { |
567 |
< |
RecursiveAction a = new RecursiveAction() { |
568 |
< |
public void compute() { |
567 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
568 |
> |
protected void realCompute() throws Exception { |
569 |
> |
FailingFibAction f = new FailingFibAction(8); |
570 |
> |
assertSame(f, f.fork()); |
571 |
|
try { |
265 |
– |
FailingFibAction f = new FailingFibAction(8); |
266 |
– |
f.fork(); |
572 |
|
f.get(); |
573 |
|
shouldThrow(); |
574 |
|
} catch (ExecutionException success) { |
575 |
< |
} catch (Exception ex) { |
576 |
< |
unexpectedException(ex); |
575 |
> |
Throwable cause = success.getCause(); |
576 |
> |
assertTrue(cause instanceof FJException); |
577 |
> |
checkCompletedAbnormally(f, cause); |
578 |
|
} |
579 |
|
}}; |
580 |
< |
mainPool.invoke(a); |
580 |
> |
testInvokeOnPool(mainPool(), a); |
581 |
|
} |
582 |
|
|
583 |
|
/** |
584 |
|
* timed get of a forked task throws exception when task completes abnormally |
585 |
|
*/ |
586 |
|
public void testAbnormalForkTimedGet() { |
587 |
< |
RecursiveAction a = new RecursiveAction() { |
588 |
< |
public void compute() { |
587 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
588 |
> |
protected void realCompute() throws Exception { |
589 |
> |
FailingFibAction f = new FailingFibAction(8); |
590 |
> |
assertSame(f, f.fork()); |
591 |
|
try { |
592 |
< |
FailingFibAction f = new FailingFibAction(8); |
285 |
< |
f.fork(); |
286 |
< |
f.get(5L, TimeUnit.SECONDS); |
592 |
> |
f.get(5L, SECONDS); |
593 |
|
shouldThrow(); |
594 |
|
} catch (ExecutionException success) { |
595 |
< |
} catch (Exception ex) { |
596 |
< |
unexpectedException(ex); |
595 |
> |
Throwable cause = success.getCause(); |
596 |
> |
assertTrue(cause instanceof FJException); |
597 |
> |
checkCompletedAbnormally(f, cause); |
598 |
|
} |
599 |
|
}}; |
600 |
< |
mainPool.invoke(a); |
600 |
> |
testInvokeOnPool(mainPool(), a); |
601 |
|
} |
602 |
|
|
603 |
|
/** |
604 |
|
* quietlyJoin of a forked task returns when task completes abnormally |
605 |
|
*/ |
606 |
|
public void testAbnormalForkQuietlyJoin() { |
607 |
< |
RecursiveAction a = new RecursiveAction() { |
608 |
< |
public void compute() { |
607 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
608 |
> |
protected void realCompute() { |
609 |
|
FailingFibAction f = new FailingFibAction(8); |
610 |
< |
f.fork(); |
610 |
> |
assertSame(f, f.fork()); |
611 |
|
f.quietlyJoin(); |
612 |
< |
threadAssertTrue(f.isDone()); |
613 |
< |
threadAssertTrue(f.isCompletedAbnormally()); |
307 |
< |
threadAssertTrue(f.getException() instanceof FJException); |
612 |
> |
assertTrue(f.getException() instanceof FJException); |
613 |
> |
checkCompletedAbnormally(f, f.getException()); |
614 |
|
}}; |
615 |
< |
mainPool.invoke(a); |
615 |
> |
testInvokeOnPool(mainPool(), a); |
616 |
|
} |
617 |
|
|
618 |
|
/** |
619 |
|
* invoke task throws exception when task cancelled |
620 |
|
*/ |
621 |
|
public void testCancelledInvoke() { |
622 |
< |
RecursiveAction a = new RecursiveAction() { |
623 |
< |
public void compute() { |
622 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
623 |
> |
protected void realCompute() { |
624 |
> |
FibAction f = new FibAction(8); |
625 |
> |
assertTrue(f.cancel(true)); |
626 |
|
try { |
319 |
– |
FibAction f = new FibAction(8); |
320 |
– |
f.cancel(true); |
627 |
|
f.invoke(); |
628 |
|
shouldThrow(); |
629 |
|
} catch (CancellationException success) { |
630 |
+ |
checkCancelled(f); |
631 |
|
} |
632 |
|
}}; |
633 |
< |
mainPool.invoke(a); |
633 |
> |
testInvokeOnPool(mainPool(), a); |
634 |
|
} |
635 |
|
|
636 |
|
/** |
637 |
|
* join of a forked task throws exception when task cancelled |
638 |
|
*/ |
639 |
|
public void testCancelledForkJoin() { |
640 |
< |
RecursiveAction a = new RecursiveAction() { |
641 |
< |
public void compute() { |
640 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
641 |
> |
protected void realCompute() { |
642 |
> |
FibAction f = new FibAction(8); |
643 |
> |
assertTrue(f.cancel(true)); |
644 |
> |
assertSame(f, f.fork()); |
645 |
|
try { |
336 |
– |
FibAction f = new FibAction(8); |
337 |
– |
f.cancel(true); |
338 |
– |
f.fork(); |
646 |
|
f.join(); |
647 |
|
shouldThrow(); |
648 |
|
} catch (CancellationException success) { |
649 |
+ |
checkCancelled(f); |
650 |
|
} |
651 |
|
}}; |
652 |
< |
mainPool.invoke(a); |
652 |
> |
testInvokeOnPool(mainPool(), a); |
653 |
|
} |
654 |
|
|
655 |
|
/** |
656 |
|
* get of a forked task throws exception when task cancelled |
657 |
|
*/ |
658 |
|
public void testCancelledForkGet() { |
659 |
< |
RecursiveAction a = new RecursiveAction() { |
660 |
< |
public void compute() { |
659 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
660 |
> |
protected void realCompute() throws Exception { |
661 |
> |
FibAction f = new FibAction(8); |
662 |
> |
assertTrue(f.cancel(true)); |
663 |
> |
assertSame(f, f.fork()); |
664 |
|
try { |
354 |
– |
FibAction f = new FibAction(8); |
355 |
– |
f.cancel(true); |
356 |
– |
f.fork(); |
665 |
|
f.get(); |
666 |
|
shouldThrow(); |
667 |
|
} catch (CancellationException success) { |
668 |
< |
} catch (Exception ex) { |
361 |
< |
unexpectedException(ex); |
668 |
> |
checkCancelled(f); |
669 |
|
} |
670 |
|
}}; |
671 |
< |
mainPool.invoke(a); |
671 |
> |
testInvokeOnPool(mainPool(), a); |
672 |
|
} |
673 |
|
|
674 |
|
/** |
675 |
|
* timed get of a forked task throws exception when task cancelled |
676 |
|
*/ |
677 |
|
public void testCancelledForkTimedGet() { |
678 |
< |
RecursiveAction a = new RecursiveAction() { |
679 |
< |
public void compute() { |
678 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
679 |
> |
protected void realCompute() throws Exception { |
680 |
> |
FibAction f = new FibAction(8); |
681 |
> |
assertTrue(f.cancel(true)); |
682 |
> |
assertSame(f, f.fork()); |
683 |
|
try { |
684 |
< |
FibAction f = new FibAction(8); |
375 |
< |
f.cancel(true); |
376 |
< |
f.fork(); |
377 |
< |
f.get(5L, TimeUnit.SECONDS); |
684 |
> |
f.get(5L, SECONDS); |
685 |
|
shouldThrow(); |
686 |
|
} catch (CancellationException success) { |
687 |
< |
} catch (Exception ex) { |
381 |
< |
unexpectedException(ex); |
687 |
> |
checkCancelled(f); |
688 |
|
} |
689 |
|
}}; |
690 |
< |
mainPool.invoke(a); |
690 |
> |
testInvokeOnPool(mainPool(), a); |
691 |
|
} |
692 |
|
|
693 |
|
/** |
694 |
|
* quietlyJoin of a forked task returns when task cancelled |
695 |
|
*/ |
696 |
|
public void testCancelledForkQuietlyJoin() { |
697 |
< |
RecursiveAction a = new RecursiveAction() { |
698 |
< |
public void compute() { |
697 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
698 |
> |
protected void realCompute() { |
699 |
|
FibAction f = new FibAction(8); |
700 |
< |
f.cancel(true); |
701 |
< |
f.fork(); |
700 |
> |
assertTrue(f.cancel(true)); |
701 |
> |
assertSame(f, f.fork()); |
702 |
|
f.quietlyJoin(); |
703 |
< |
threadAssertTrue(f.isDone()); |
398 |
< |
threadAssertTrue(f.isCompletedAbnormally()); |
399 |
< |
threadAssertTrue(f.getException() instanceof CancellationException); |
703 |
> |
checkCancelled(f); |
704 |
|
}}; |
705 |
< |
mainPool.invoke(a); |
705 |
> |
testInvokeOnPool(mainPool(), a); |
706 |
|
} |
707 |
|
|
708 |
|
/** |
709 |
|
* getPool of executing task returns its pool |
710 |
|
*/ |
711 |
|
public void testGetPool() { |
712 |
< |
RecursiveAction a = new RecursiveAction() { |
713 |
< |
public void compute() { |
714 |
< |
threadAssertTrue(getPool() == mainPool); |
712 |
> |
final ForkJoinPool mainPool = mainPool(); |
713 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
714 |
> |
protected void realCompute() { |
715 |
> |
assertSame(mainPool, getPool()); |
716 |
|
}}; |
717 |
< |
mainPool.invoke(a); |
717 |
> |
testInvokeOnPool(mainPool, a); |
718 |
|
} |
719 |
|
|
720 |
|
/** |
721 |
|
* getPool of non-FJ task returns null |
722 |
|
*/ |
723 |
|
public void testGetPool2() { |
724 |
< |
RecursiveAction a = new RecursiveAction() { |
725 |
< |
public void compute() { |
726 |
< |
threadAssertTrue(getPool() == null); |
724 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
725 |
> |
protected void realCompute() { |
726 |
> |
assertNull(getPool()); |
727 |
|
}}; |
728 |
< |
a.invoke(); |
728 |
> |
assertNull(a.invoke()); |
729 |
|
} |
730 |
|
|
731 |
|
/** |
732 |
|
* inForkJoinPool of executing task returns true |
733 |
|
*/ |
734 |
|
public void testInForkJoinPool() { |
735 |
< |
RecursiveAction a = new RecursiveAction() { |
736 |
< |
public void compute() { |
737 |
< |
threadAssertTrue(inForkJoinPool()); |
735 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
736 |
> |
protected void realCompute() { |
737 |
> |
assertTrue(inForkJoinPool()); |
738 |
|
}}; |
739 |
< |
mainPool.invoke(a); |
739 |
> |
testInvokeOnPool(mainPool(), a); |
740 |
|
} |
741 |
|
|
742 |
|
/** |
743 |
|
* inForkJoinPool of non-FJ task returns false |
744 |
|
*/ |
745 |
|
public void testInForkJoinPool2() { |
746 |
< |
RecursiveAction a = new RecursiveAction() { |
747 |
< |
public void compute() { |
748 |
< |
threadAssertTrue(!inForkJoinPool()); |
746 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
747 |
> |
protected void realCompute() { |
748 |
> |
assertFalse(inForkJoinPool()); |
749 |
|
}}; |
750 |
< |
a.invoke(); |
750 |
> |
assertNull(a.invoke()); |
751 |
|
} |
752 |
|
|
753 |
|
/** |
754 |
|
* getPool of current thread in pool returns its pool |
755 |
|
*/ |
756 |
|
public void testWorkerGetPool() { |
757 |
< |
RecursiveAction a = new RecursiveAction() { |
758 |
< |
public void compute() { |
757 |
> |
final ForkJoinPool mainPool = mainPool(); |
758 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
759 |
> |
protected void realCompute() { |
760 |
|
ForkJoinWorkerThread w = |
761 |
< |
(ForkJoinWorkerThread)(Thread.currentThread()); |
762 |
< |
threadAssertTrue(w.getPool() == mainPool); |
761 |
> |
(ForkJoinWorkerThread) Thread.currentThread(); |
762 |
> |
assertSame(mainPool, w.getPool()); |
763 |
|
}}; |
764 |
< |
mainPool.invoke(a); |
764 |
> |
testInvokeOnPool(mainPool, a); |
765 |
|
} |
766 |
|
|
767 |
|
/** |
768 |
|
* getPoolIndex of current thread in pool returns 0 <= value < poolSize |
463 |
– |
* |
769 |
|
*/ |
770 |
|
public void testWorkerGetPoolIndex() { |
771 |
< |
RecursiveAction a = new RecursiveAction() { |
772 |
< |
public void compute() { |
771 |
> |
final ForkJoinPool mainPool = mainPool(); |
772 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
773 |
> |
protected void realCompute() { |
774 |
|
ForkJoinWorkerThread w = |
775 |
< |
(ForkJoinWorkerThread)(Thread.currentThread()); |
776 |
< |
int idx = w.getPoolIndex(); |
777 |
< |
threadAssertTrue(idx >= 0); |
778 |
< |
threadAssertTrue(idx < mainPool.getPoolSize()); |
775 |
> |
(ForkJoinWorkerThread) Thread.currentThread(); |
776 |
> |
assertTrue(w.getPoolIndex() >= 0); |
777 |
> |
// pool size can shrink after assigning index, so cannot check |
778 |
> |
// assertTrue(w.getPoolIndex() < mainPool.getPoolSize()); |
779 |
|
}}; |
780 |
< |
mainPool.invoke(a); |
780 |
> |
testInvokeOnPool(mainPool, a); |
781 |
|
} |
782 |
|
|
477 |
– |
|
783 |
|
/** |
784 |
|
* setRawResult(null) succeeds |
785 |
|
*/ |
786 |
|
public void testSetRawResult() { |
787 |
< |
RecursiveAction a = new RecursiveAction() { |
788 |
< |
public void compute() { |
787 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
788 |
> |
protected void realCompute() { |
789 |
|
setRawResult(null); |
790 |
+ |
assertNull(getRawResult()); |
791 |
|
}}; |
792 |
< |
a.invoke(); |
792 |
> |
assertNull(a.invoke()); |
793 |
|
} |
794 |
|
|
795 |
|
/** |
796 |
< |
* A reinitialized task may be re-invoked |
796 |
> |
* A reinitialized normally completed task may be re-invoked |
797 |
|
*/ |
798 |
|
public void testReinitialize() { |
799 |
< |
RecursiveAction a = new RecursiveAction() { |
800 |
< |
public void compute() { |
799 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
800 |
> |
protected void realCompute() { |
801 |
|
FibAction f = new FibAction(8); |
802 |
< |
f.invoke(); |
803 |
< |
threadAssertTrue(f.result == 21); |
804 |
< |
threadAssertTrue(f.isDone()); |
805 |
< |
threadAssertFalse(f.isCancelled()); |
806 |
< |
threadAssertFalse(f.isCompletedAbnormally()); |
807 |
< |
f.reinitialize(); |
808 |
< |
f.invoke(); |
809 |
< |
threadAssertTrue(f.result == 21); |
802 |
> |
checkNotDone(f); |
803 |
> |
|
804 |
> |
for (int i = 0; i < 3; i++) { |
805 |
> |
assertNull(f.invoke()); |
806 |
> |
assertEquals(21, f.result); |
807 |
> |
checkCompletedNormally(f); |
808 |
> |
f.reinitialize(); |
809 |
> |
checkNotDone(f); |
810 |
> |
} |
811 |
> |
}}; |
812 |
> |
testInvokeOnPool(mainPool(), a); |
813 |
> |
} |
814 |
> |
|
815 |
> |
/** |
816 |
> |
* A reinitialized abnormally completed task may be re-invoked |
817 |
> |
*/ |
818 |
> |
public void testReinitializeAbnormal() { |
819 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
820 |
> |
protected void realCompute() { |
821 |
> |
FailingFibAction f = new FailingFibAction(8); |
822 |
> |
checkNotDone(f); |
823 |
> |
|
824 |
> |
for (int i = 0; i < 3; i++) { |
825 |
> |
try { |
826 |
> |
f.invoke(); |
827 |
> |
shouldThrow(); |
828 |
> |
} catch (FJException success) { |
829 |
> |
checkCompletedAbnormally(f, success); |
830 |
> |
} |
831 |
> |
f.reinitialize(); |
832 |
> |
checkNotDone(f); |
833 |
> |
} |
834 |
|
}}; |
835 |
< |
mainPool.invoke(a); |
835 |
> |
testInvokeOnPool(mainPool(), a); |
836 |
|
} |
837 |
|
|
838 |
|
/** |
839 |
|
* invoke task throws exception after invoking completeExceptionally |
840 |
|
*/ |
841 |
|
public void testCompleteExceptionally() { |
842 |
< |
RecursiveAction a = new RecursiveAction() { |
843 |
< |
public void compute() { |
842 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
843 |
> |
protected void realCompute() { |
844 |
> |
FibAction f = new FibAction(8); |
845 |
> |
f.completeExceptionally(new FJException()); |
846 |
|
try { |
515 |
– |
FibAction f = new FibAction(8); |
516 |
– |
f.completeExceptionally(new FJException()); |
847 |
|
f.invoke(); |
848 |
|
shouldThrow(); |
849 |
|
} catch (FJException success) { |
850 |
+ |
checkCompletedAbnormally(f, success); |
851 |
|
} |
852 |
|
}}; |
853 |
< |
mainPool.invoke(a); |
853 |
> |
testInvokeOnPool(mainPool(), a); |
854 |
|
} |
855 |
|
|
856 |
|
/** |
857 |
|
* invoke task suppresses execution invoking complete |
858 |
|
*/ |
859 |
|
public void testComplete() { |
860 |
< |
RecursiveAction a = new RecursiveAction() { |
861 |
< |
public void compute() { |
860 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
861 |
> |
protected void realCompute() { |
862 |
|
FibAction f = new FibAction(8); |
863 |
|
f.complete(null); |
864 |
< |
f.invoke(); |
865 |
< |
threadAssertTrue(f.isDone()); |
866 |
< |
threadAssertTrue(f.result == 0); |
864 |
> |
assertNull(f.invoke()); |
865 |
> |
assertEquals(0, f.result); |
866 |
> |
checkCompletedNormally(f); |
867 |
|
}}; |
868 |
< |
mainPool.invoke(a); |
868 |
> |
testInvokeOnPool(mainPool(), a); |
869 |
|
} |
870 |
|
|
871 |
|
/** |
872 |
|
* invokeAll(t1, t2) invokes all task arguments |
873 |
|
*/ |
874 |
|
public void testInvokeAll2() { |
875 |
< |
RecursiveAction a = new RecursiveAction() { |
876 |
< |
public void compute() { |
875 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
876 |
> |
protected void realCompute() { |
877 |
|
FibAction f = new FibAction(8); |
878 |
|
FibAction g = new FibAction(9); |
879 |
|
invokeAll(f, g); |
880 |
< |
threadAssertTrue(f.isDone()); |
881 |
< |
threadAssertTrue(f.result == 21); |
882 |
< |
threadAssertTrue(g.isDone()); |
883 |
< |
threadAssertTrue(g.result == 34); |
880 |
> |
checkCompletedNormally(f); |
881 |
> |
assertEquals(21, f.result); |
882 |
> |
checkCompletedNormally(g); |
883 |
> |
assertEquals(34, g.result); |
884 |
|
}}; |
885 |
< |
mainPool.invoke(a); |
885 |
> |
testInvokeOnPool(mainPool(), a); |
886 |
|
} |
887 |
|
|
888 |
|
/** |
889 |
|
* invokeAll(tasks) with 1 argument invokes task |
890 |
|
*/ |
891 |
|
public void testInvokeAll1() { |
892 |
< |
RecursiveAction a = new RecursiveAction() { |
893 |
< |
public void compute() { |
892 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
893 |
> |
protected void realCompute() { |
894 |
|
FibAction f = new FibAction(8); |
895 |
|
invokeAll(f); |
896 |
< |
threadAssertTrue(f.isDone()); |
897 |
< |
threadAssertTrue(f.result == 21); |
896 |
> |
checkCompletedNormally(f); |
897 |
> |
assertEquals(21, f.result); |
898 |
|
}}; |
899 |
< |
mainPool.invoke(a); |
899 |
> |
testInvokeOnPool(mainPool(), a); |
900 |
|
} |
901 |
|
|
902 |
|
/** |
903 |
|
* invokeAll(tasks) with > 2 argument invokes tasks |
904 |
|
*/ |
905 |
|
public void testInvokeAll3() { |
906 |
< |
RecursiveAction a = new RecursiveAction() { |
907 |
< |
public void compute() { |
906 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
907 |
> |
protected void realCompute() { |
908 |
|
FibAction f = new FibAction(8); |
909 |
|
FibAction g = new FibAction(9); |
910 |
|
FibAction h = new FibAction(7); |
911 |
|
invokeAll(f, g, h); |
912 |
< |
threadAssertTrue(f.isDone()); |
913 |
< |
threadAssertTrue(f.result == 21); |
914 |
< |
threadAssertTrue(g.isDone()); |
915 |
< |
threadAssertTrue(g.result == 34); |
916 |
< |
threadAssertTrue(h.isDone()); |
917 |
< |
threadAssertTrue(h.result == 13); |
912 |
> |
assertTrue(f.isDone()); |
913 |
> |
assertTrue(g.isDone()); |
914 |
> |
assertTrue(h.isDone()); |
915 |
> |
checkCompletedNormally(f); |
916 |
> |
assertEquals(21, f.result); |
917 |
> |
checkCompletedNormally(g); |
918 |
> |
assertEquals(34, g.result); |
919 |
> |
checkCompletedNormally(g); |
920 |
> |
assertEquals(13, h.result); |
921 |
|
}}; |
922 |
< |
mainPool.invoke(a); |
922 |
> |
testInvokeOnPool(mainPool(), a); |
923 |
|
} |
924 |
|
|
925 |
|
/** |
926 |
|
* invokeAll(collection) invokes all tasks in the collection |
927 |
|
*/ |
928 |
|
public void testInvokeAllCollection() { |
929 |
< |
RecursiveAction a = new RecursiveAction() { |
930 |
< |
public void compute() { |
929 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
930 |
> |
protected void realCompute() { |
931 |
|
FibAction f = new FibAction(8); |
932 |
|
FibAction g = new FibAction(9); |
933 |
|
FibAction h = new FibAction(7); |
936 |
|
set.add(g); |
937 |
|
set.add(h); |
938 |
|
invokeAll(set); |
939 |
< |
threadAssertTrue(f.isDone()); |
940 |
< |
threadAssertTrue(f.result == 21); |
941 |
< |
threadAssertTrue(g.isDone()); |
942 |
< |
threadAssertTrue(g.result == 34); |
943 |
< |
threadAssertTrue(h.isDone()); |
944 |
< |
threadAssertTrue(h.result == 13); |
939 |
> |
assertTrue(f.isDone()); |
940 |
> |
assertTrue(g.isDone()); |
941 |
> |
assertTrue(h.isDone()); |
942 |
> |
checkCompletedNormally(f); |
943 |
> |
assertEquals(21, f.result); |
944 |
> |
checkCompletedNormally(g); |
945 |
> |
assertEquals(34, g.result); |
946 |
> |
checkCompletedNormally(g); |
947 |
> |
assertEquals(13, h.result); |
948 |
|
}}; |
949 |
< |
mainPool.invoke(a); |
949 |
> |
testInvokeOnPool(mainPool(), a); |
950 |
|
} |
951 |
|
|
615 |
– |
|
952 |
|
/** |
953 |
|
* invokeAll(tasks) with any null task throws NPE |
954 |
|
*/ |
955 |
|
public void testInvokeAllNPE() { |
956 |
< |
RecursiveAction a = new RecursiveAction() { |
957 |
< |
public void compute() { |
956 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
957 |
> |
protected void realCompute() { |
958 |
> |
FibAction f = new FibAction(8); |
959 |
> |
FibAction g = new FibAction(9); |
960 |
> |
FibAction h = null; |
961 |
|
try { |
623 |
– |
FibAction f = new FibAction(8); |
624 |
– |
FibAction g = new FibAction(9); |
625 |
– |
FibAction h = null; |
962 |
|
invokeAll(f, g, h); |
963 |
|
shouldThrow(); |
964 |
< |
} catch (NullPointerException success) { |
629 |
< |
} |
964 |
> |
} catch (NullPointerException success) {} |
965 |
|
}}; |
966 |
< |
mainPool.invoke(a); |
966 |
> |
testInvokeOnPool(mainPool(), a); |
967 |
|
} |
968 |
|
|
969 |
|
/** |
970 |
|
* invokeAll(t1, t2) throw exception if any task does |
971 |
|
*/ |
972 |
|
public void testAbnormalInvokeAll2() { |
973 |
< |
RecursiveAction a = new RecursiveAction() { |
974 |
< |
public void compute() { |
973 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
974 |
> |
protected void realCompute() { |
975 |
> |
FibAction f = new FibAction(8); |
976 |
> |
FailingFibAction g = new FailingFibAction(9); |
977 |
|
try { |
641 |
– |
FibAction f = new FibAction(8); |
642 |
– |
FailingFibAction g = new FailingFibAction(9); |
978 |
|
invokeAll(f, g); |
979 |
|
shouldThrow(); |
980 |
|
} catch (FJException success) { |
981 |
+ |
checkCompletedAbnormally(g, success); |
982 |
|
} |
983 |
|
}}; |
984 |
< |
mainPool.invoke(a); |
984 |
> |
testInvokeOnPool(mainPool(), a); |
985 |
|
} |
986 |
|
|
987 |
|
/** |
988 |
|
* invokeAll(tasks) with 1 argument throws exception if task does |
989 |
|
*/ |
990 |
|
public void testAbnormalInvokeAll1() { |
991 |
< |
RecursiveAction a = new RecursiveAction() { |
992 |
< |
public void compute() { |
991 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
992 |
> |
protected void realCompute() { |
993 |
> |
FailingFibAction g = new FailingFibAction(9); |
994 |
|
try { |
658 |
– |
FailingFibAction g = new FailingFibAction(9); |
995 |
|
invokeAll(g); |
996 |
|
shouldThrow(); |
997 |
|
} catch (FJException success) { |
998 |
+ |
checkCompletedAbnormally(g, success); |
999 |
|
} |
1000 |
|
}}; |
1001 |
< |
mainPool.invoke(a); |
1001 |
> |
testInvokeOnPool(mainPool(), a); |
1002 |
|
} |
1003 |
|
|
1004 |
|
/** |
1005 |
|
* invokeAll(tasks) with > 2 argument throws exception if any task does |
1006 |
|
*/ |
1007 |
|
public void testAbnormalInvokeAll3() { |
1008 |
< |
RecursiveAction a = new RecursiveAction() { |
1009 |
< |
public void compute() { |
1008 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1009 |
> |
protected void realCompute() { |
1010 |
> |
FibAction f = new FibAction(8); |
1011 |
> |
FailingFibAction g = new FailingFibAction(9); |
1012 |
> |
FibAction h = new FibAction(7); |
1013 |
|
try { |
674 |
– |
FibAction f = new FibAction(8); |
675 |
– |
FailingFibAction g = new FailingFibAction(9); |
676 |
– |
FibAction h = new FibAction(7); |
1014 |
|
invokeAll(f, g, h); |
1015 |
|
shouldThrow(); |
1016 |
|
} catch (FJException success) { |
1017 |
+ |
checkCompletedAbnormally(g, success); |
1018 |
|
} |
1019 |
|
}}; |
1020 |
< |
mainPool.invoke(a); |
1020 |
> |
testInvokeOnPool(mainPool(), a); |
1021 |
|
} |
1022 |
|
|
1023 |
|
/** |
1024 |
|
* invokeAll(collection) throws exception if any task does |
1025 |
|
*/ |
1026 |
|
public void testAbnormalInvokeAllCollection() { |
1027 |
< |
RecursiveAction a = new RecursiveAction() { |
1028 |
< |
public void compute() { |
1027 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1028 |
> |
protected void realCompute() { |
1029 |
> |
FailingFibAction f = new FailingFibAction(8); |
1030 |
> |
FibAction g = new FibAction(9); |
1031 |
> |
FibAction h = new FibAction(7); |
1032 |
> |
HashSet set = new HashSet(); |
1033 |
> |
set.add(f); |
1034 |
> |
set.add(g); |
1035 |
> |
set.add(h); |
1036 |
|
try { |
692 |
– |
FailingFibAction f = new FailingFibAction(8); |
693 |
– |
FibAction g = new FibAction(9); |
694 |
– |
FibAction h = new FibAction(7); |
695 |
– |
HashSet set = new HashSet(); |
696 |
– |
set.add(f); |
697 |
– |
set.add(g); |
698 |
– |
set.add(h); |
1037 |
|
invokeAll(set); |
1038 |
|
shouldThrow(); |
1039 |
|
} catch (FJException success) { |
1040 |
+ |
checkCompletedAbnormally(f, success); |
1041 |
|
} |
1042 |
|
}}; |
1043 |
< |
mainPool.invoke(a); |
1043 |
> |
testInvokeOnPool(mainPool(), a); |
1044 |
|
} |
1045 |
|
|
1046 |
|
/** |
1048 |
|
* and suppresses execution |
1049 |
|
*/ |
1050 |
|
public void testTryUnfork() { |
1051 |
< |
RecursiveAction a = new RecursiveAction() { |
1052 |
< |
public void compute() { |
1051 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1052 |
> |
protected void realCompute() { |
1053 |
|
FibAction g = new FibAction(9); |
1054 |
< |
g.fork(); |
1054 |
> |
assertSame(g, g.fork()); |
1055 |
|
FibAction f = new FibAction(8); |
1056 |
< |
f.fork(); |
1057 |
< |
threadAssertTrue(f.tryUnfork()); |
1056 |
> |
assertSame(f, f.fork()); |
1057 |
> |
assertTrue(f.tryUnfork()); |
1058 |
|
helpQuiesce(); |
1059 |
< |
threadAssertFalse(f.isDone()); |
1060 |
< |
threadAssertTrue(g.isDone()); |
1059 |
> |
checkNotDone(f); |
1060 |
> |
checkCompletedNormally(g); |
1061 |
|
}}; |
1062 |
< |
singletonPool.invoke(a); |
1062 |
> |
testInvokeOnPool(singletonPool(), a); |
1063 |
|
} |
1064 |
|
|
1065 |
|
/** |
1067 |
|
* there are more tasks than threads |
1068 |
|
*/ |
1069 |
|
public void testGetSurplusQueuedTaskCount() { |
1070 |
< |
RecursiveAction a = new RecursiveAction() { |
1071 |
< |
public void compute() { |
1070 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1071 |
> |
protected void realCompute() { |
1072 |
|
FibAction h = new FibAction(7); |
1073 |
< |
h.fork(); |
1073 |
> |
assertSame(h, h.fork()); |
1074 |
|
FibAction g = new FibAction(9); |
1075 |
< |
g.fork(); |
1075 |
> |
assertSame(g, g.fork()); |
1076 |
|
FibAction f = new FibAction(8); |
1077 |
< |
f.fork(); |
1078 |
< |
threadAssertTrue(getSurplusQueuedTaskCount() > 0); |
1077 |
> |
assertSame(f, f.fork()); |
1078 |
> |
assertTrue(getSurplusQueuedTaskCount() > 0); |
1079 |
|
helpQuiesce(); |
1080 |
+ |
assertEquals(0, getSurplusQueuedTaskCount()); |
1081 |
+ |
checkCompletedNormally(f); |
1082 |
+ |
checkCompletedNormally(g); |
1083 |
+ |
checkCompletedNormally(h); |
1084 |
|
}}; |
1085 |
< |
singletonPool.invoke(a); |
1085 |
> |
testInvokeOnPool(singletonPool(), a); |
1086 |
|
} |
1087 |
|
|
1088 |
|
/** |
1089 |
|
* peekNextLocalTask returns most recent unexecuted task. |
1090 |
|
*/ |
1091 |
|
public void testPeekNextLocalTask() { |
1092 |
< |
RecursiveAction a = new RecursiveAction() { |
1093 |
< |
public void compute() { |
1092 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1093 |
> |
protected void realCompute() { |
1094 |
|
FibAction g = new FibAction(9); |
1095 |
< |
g.fork(); |
1095 |
> |
assertSame(g, g.fork()); |
1096 |
|
FibAction f = new FibAction(8); |
1097 |
< |
f.fork(); |
1098 |
< |
threadAssertTrue(peekNextLocalTask() == f); |
1099 |
< |
f.join(); |
1100 |
< |
threadAssertTrue(f.isDone()); |
1097 |
> |
assertSame(f, f.fork()); |
1098 |
> |
assertSame(f, peekNextLocalTask()); |
1099 |
> |
assertNull(f.join()); |
1100 |
> |
checkCompletedNormally(f); |
1101 |
|
helpQuiesce(); |
1102 |
+ |
checkCompletedNormally(f); |
1103 |
+ |
checkCompletedNormally(g); |
1104 |
|
}}; |
1105 |
< |
singletonPool.invoke(a); |
1105 |
> |
testInvokeOnPool(singletonPool(), a); |
1106 |
|
} |
1107 |
|
|
1108 |
|
/** |
1110 |
|
* without executing it |
1111 |
|
*/ |
1112 |
|
public void testPollNextLocalTask() { |
1113 |
< |
RecursiveAction a = new RecursiveAction() { |
1114 |
< |
public void compute() { |
1113 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1114 |
> |
protected void realCompute() { |
1115 |
|
FibAction g = new FibAction(9); |
1116 |
< |
g.fork(); |
1116 |
> |
assertSame(g, g.fork()); |
1117 |
|
FibAction f = new FibAction(8); |
1118 |
< |
f.fork(); |
1119 |
< |
threadAssertTrue(pollNextLocalTask() == f); |
1118 |
> |
assertSame(f, f.fork()); |
1119 |
> |
assertSame(f, pollNextLocalTask()); |
1120 |
|
helpQuiesce(); |
1121 |
< |
threadAssertFalse(f.isDone()); |
1121 |
> |
checkNotDone(f); |
1122 |
> |
checkCompletedNormally(g); |
1123 |
|
}}; |
1124 |
< |
singletonPool.invoke(a); |
1124 |
> |
testInvokeOnPool(singletonPool(), a); |
1125 |
|
} |
1126 |
|
|
1127 |
|
/** |
1128 |
< |
* pollTask returns an unexecuted task |
783 |
< |
* without executing it |
1128 |
> |
* pollTask returns an unexecuted task without executing it |
1129 |
|
*/ |
1130 |
|
public void testPollTask() { |
1131 |
< |
RecursiveAction a = new RecursiveAction() { |
1132 |
< |
public void compute() { |
1131 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1132 |
> |
protected void realCompute() { |
1133 |
|
FibAction g = new FibAction(9); |
1134 |
< |
g.fork(); |
1134 |
> |
assertSame(g, g.fork()); |
1135 |
|
FibAction f = new FibAction(8); |
1136 |
< |
f.fork(); |
1137 |
< |
threadAssertTrue(pollTask() == f); |
1136 |
> |
assertSame(f, f.fork()); |
1137 |
> |
assertSame(f, pollTask()); |
1138 |
|
helpQuiesce(); |
1139 |
< |
threadAssertFalse(f.isDone()); |
1140 |
< |
threadAssertTrue(g.isDone()); |
1139 |
> |
checkNotDone(f); |
1140 |
> |
checkCompletedNormally(g); |
1141 |
|
}}; |
1142 |
< |
singletonPool.invoke(a); |
1142 |
> |
testInvokeOnPool(singletonPool(), a); |
1143 |
|
} |
1144 |
|
|
1145 |
|
/** |
1146 |
|
* peekNextLocalTask returns least recent unexecuted task in async mode |
1147 |
|
*/ |
1148 |
|
public void testPeekNextLocalTaskAsync() { |
1149 |
< |
RecursiveAction a = new RecursiveAction() { |
1150 |
< |
public void compute() { |
1149 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1150 |
> |
protected void realCompute() { |
1151 |
|
FibAction g = new FibAction(9); |
1152 |
< |
g.fork(); |
1152 |
> |
assertSame(g, g.fork()); |
1153 |
|
FibAction f = new FibAction(8); |
1154 |
< |
f.fork(); |
1155 |
< |
threadAssertTrue(peekNextLocalTask() == g); |
1156 |
< |
f.join(); |
1154 |
> |
assertSame(f, f.fork()); |
1155 |
> |
assertSame(g, peekNextLocalTask()); |
1156 |
> |
assertNull(f.join()); |
1157 |
|
helpQuiesce(); |
1158 |
< |
threadAssertTrue(f.isDone()); |
1158 |
> |
checkCompletedNormally(f); |
1159 |
> |
checkCompletedNormally(g); |
1160 |
|
}}; |
1161 |
< |
asyncSingletonPool.invoke(a); |
1161 |
> |
testInvokeOnPool(asyncSingletonPool(), a); |
1162 |
|
} |
1163 |
|
|
1164 |
|
/** |
1165 |
< |
* pollNextLocalTask returns least recent unexecuted task |
1166 |
< |
* without executing it, in async mode |
1165 |
> |
* pollNextLocalTask returns least recent unexecuted task without |
1166 |
> |
* executing it, in async mode |
1167 |
|
*/ |
1168 |
|
public void testPollNextLocalTaskAsync() { |
1169 |
< |
RecursiveAction a = new RecursiveAction() { |
1170 |
< |
public void compute() { |
1169 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1170 |
> |
protected void realCompute() { |
1171 |
|
FibAction g = new FibAction(9); |
1172 |
< |
g.fork(); |
1172 |
> |
assertSame(g, g.fork()); |
1173 |
|
FibAction f = new FibAction(8); |
1174 |
< |
f.fork(); |
1175 |
< |
threadAssertTrue(pollNextLocalTask() == g); |
1174 |
> |
assertSame(f, f.fork()); |
1175 |
> |
assertSame(g, pollNextLocalTask()); |
1176 |
|
helpQuiesce(); |
1177 |
< |
threadAssertTrue(f.isDone()); |
1178 |
< |
threadAssertFalse(g.isDone()); |
1177 |
> |
checkCompletedNormally(f); |
1178 |
> |
checkNotDone(g); |
1179 |
|
}}; |
1180 |
< |
asyncSingletonPool.invoke(a); |
1180 |
> |
testInvokeOnPool(asyncSingletonPool(), a); |
1181 |
|
} |
1182 |
|
|
1183 |
|
/** |
1184 |
< |
* pollTask returns an unexecuted task |
1185 |
< |
* without executing it, in async mode |
1184 |
> |
* pollTask returns an unexecuted task without executing it, in |
1185 |
> |
* async mode |
1186 |
|
*/ |
1187 |
|
public void testPollTaskAsync() { |
1188 |
< |
RecursiveAction a = new RecursiveAction() { |
1189 |
< |
public void compute() { |
1188 |
> |
RecursiveAction a = new CheckedRecursiveAction() { |
1189 |
> |
protected void realCompute() { |
1190 |
|
FibAction g = new FibAction(9); |
1191 |
< |
g.fork(); |
1191 |
> |
assertSame(g, g.fork()); |
1192 |
|
FibAction f = new FibAction(8); |
1193 |
< |
f.fork(); |
1194 |
< |
threadAssertTrue(pollTask() == g); |
1193 |
> |
assertSame(f, f.fork()); |
1194 |
> |
assertSame(g, pollTask()); |
1195 |
|
helpQuiesce(); |
1196 |
< |
threadAssertTrue(f.isDone()); |
1197 |
< |
threadAssertFalse(g.isDone()); |
1196 |
> |
checkCompletedNormally(f); |
1197 |
> |
checkNotDone(g); |
1198 |
|
}}; |
1199 |
< |
asyncSingletonPool.invoke(a); |
1199 |
> |
testInvokeOnPool(asyncSingletonPool(), a); |
1200 |
|
} |
1201 |
|
|
1202 |
+ |
/** Demo from RecursiveAction javadoc */ |
1203 |
+ |
static class SortTask extends RecursiveAction { |
1204 |
+ |
final long[] array; final int lo, hi; |
1205 |
+ |
SortTask(long[] array, int lo, int hi) { |
1206 |
+ |
this.array = array; this.lo = lo; this.hi = hi; |
1207 |
+ |
} |
1208 |
+ |
SortTask(long[] array) { this(array, 0, array.length); } |
1209 |
+ |
protected void compute() { |
1210 |
+ |
if (hi - lo < THRESHOLD) |
1211 |
+ |
sortSequentially(lo, hi); |
1212 |
+ |
else { |
1213 |
+ |
int mid = (lo + hi) >>> 1; |
1214 |
+ |
invokeAll(new SortTask(array, lo, mid), |
1215 |
+ |
new SortTask(array, mid, hi)); |
1216 |
+ |
merge(lo, mid, hi); |
1217 |
+ |
} |
1218 |
+ |
} |
1219 |
+ |
// implementation details follow: |
1220 |
+ |
static final int THRESHOLD = 100; |
1221 |
+ |
void sortSequentially(int lo, int hi) { |
1222 |
+ |
Arrays.sort(array, lo, hi); |
1223 |
+ |
} |
1224 |
+ |
void merge(int lo, int mid, int hi) { |
1225 |
+ |
long[] buf = Arrays.copyOfRange(array, lo, mid); |
1226 |
+ |
for (int i = 0, j = lo, k = mid; i < buf.length; j++) |
1227 |
+ |
array[j] = (k == hi || buf[i] < array[k]) ? |
1228 |
+ |
buf[i++] : array[k++]; |
1229 |
+ |
} |
1230 |
+ |
} |
1231 |
+ |
|
1232 |
+ |
/** |
1233 |
+ |
* SortTask demo works as advertised |
1234 |
+ |
*/ |
1235 |
+ |
public void testSortTaskDemo() { |
1236 |
+ |
ThreadLocalRandom rnd = ThreadLocalRandom.current(); |
1237 |
+ |
long[] array = new long[1007]; |
1238 |
+ |
for (int i = 0; i < array.length; i++) |
1239 |
+ |
array[i] = rnd.nextLong(); |
1240 |
+ |
long[] arrayClone = array.clone(); |
1241 |
+ |
testInvokeOnPool(mainPool(), new SortTask(array)); |
1242 |
+ |
Arrays.sort(arrayClone); |
1243 |
+ |
assertTrue(Arrays.equals(array, arrayClone)); |
1244 |
+ |
} |
1245 |
|
} |