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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
< |
* Expert Group and released to the public domain, as explained at |
2 |
> |
* Written by Doug Lea and Martin Buchholz with assistance from |
3 |
> |
* members of JCP JSR-166 Expert Group and released to the public |
4 |
> |
* domain, as explained at |
5 |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
5 |
– |
* Other contributors include Andrew Wright, Jeffrey Hayes, |
6 |
– |
* Pat Fisher, Mike Judd. |
6 |
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*/ |
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import junit.framework.*; |
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import java.util.concurrent.Callable; |
10 |
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import java.util.concurrent.Executor; |
11 |
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import java.util.concurrent.ExecutorService; |
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import java.util.concurrent.Executors; |
13 |
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import java.util.concurrent.CancellationException; |
14 |
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import java.util.concurrent.CountDownLatch; |
15 |
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import java.util.concurrent.ExecutionException; |
16 |
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import java.util.concurrent.Future; |
17 |
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import java.util.concurrent.CompletableFuture; |
18 |
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import java.util.concurrent.CompletionException; |
19 |
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import java.util.concurrent.CompletionStage; |
20 |
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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.TimeoutException; |
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import java.util.concurrent.atomic.AtomicInteger; |
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import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
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import java.util.*; |
27 |
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import java.util.function.Supplier; |
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import java.util.function.Consumer; |
29 |
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import java.util.function.BiConsumer; |
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import java.util.function.Function; |
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import java.util.function.BiFunction; |
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|
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public class CompletableFutureTest extends JSR166TestCase { |
34 |
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|
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return new TestSuite(CompletableFutureTest.class); |
40 |
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} |
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|
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static class CFException extends RuntimeException {} |
43 |
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|
44 |
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void checkIncomplete(CompletableFuture<?> f) { |
45 |
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assertFalse(f.isDone()); |
46 |
+ |
assertFalse(f.isCancelled()); |
47 |
+ |
assertTrue(f.toString().contains("[Not completed]")); |
48 |
+ |
try { |
49 |
+ |
assertNull(f.getNow(null)); |
50 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
51 |
+ |
try { |
52 |
+ |
f.get(0L, SECONDS); |
53 |
+ |
shouldThrow(); |
54 |
+ |
} |
55 |
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catch (TimeoutException success) {} |
56 |
+ |
catch (Throwable fail) { threadUnexpectedException(fail); } |
57 |
+ |
} |
58 |
+ |
|
59 |
+ |
<T> void checkCompletedNormally(CompletableFuture<T> f, T value) { |
60 |
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try { |
61 |
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assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS)); |
62 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
63 |
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try { |
64 |
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assertEquals(value, f.join()); |
65 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
66 |
+ |
try { |
67 |
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assertEquals(value, f.getNow(null)); |
68 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
69 |
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try { |
70 |
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assertEquals(value, f.get()); |
71 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
72 |
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assertTrue(f.isDone()); |
73 |
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assertFalse(f.isCancelled()); |
74 |
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assertFalse(f.isCompletedExceptionally()); |
75 |
+ |
assertTrue(f.toString().contains("[Completed normally]")); |
76 |
+ |
} |
77 |
+ |
|
78 |
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void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
79 |
+ |
try { |
80 |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
81 |
+ |
shouldThrow(); |
82 |
+ |
} catch (ExecutionException success) { |
83 |
+ |
assertTrue(success.getCause() instanceof CFException); |
84 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
85 |
+ |
try { |
86 |
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f.join(); |
87 |
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shouldThrow(); |
88 |
+ |
} catch (CompletionException success) { |
89 |
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assertTrue(success.getCause() instanceof CFException); |
90 |
+ |
} |
91 |
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try { |
92 |
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f.getNow(null); |
93 |
+ |
shouldThrow(); |
94 |
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} catch (CompletionException success) { |
95 |
+ |
assertTrue(success.getCause() instanceof CFException); |
96 |
+ |
} |
97 |
+ |
try { |
98 |
+ |
f.get(); |
99 |
+ |
shouldThrow(); |
100 |
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} catch (ExecutionException success) { |
101 |
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assertTrue(success.getCause() instanceof CFException); |
102 |
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} catch (Throwable fail) { threadUnexpectedException(fail); } |
103 |
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assertTrue(f.isDone()); |
104 |
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assertFalse(f.isCancelled()); |
105 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
106 |
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} |
107 |
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|
108 |
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void checkCompletedWithWrappedCFException(CompletableFuture<?> f, |
109 |
+ |
CFException ex) { |
110 |
+ |
try { |
111 |
+ |
f.get(LONG_DELAY_MS, MILLISECONDS); |
112 |
+ |
shouldThrow(); |
113 |
+ |
} catch (ExecutionException success) { |
114 |
+ |
assertSame(ex, success.getCause()); |
115 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
116 |
+ |
try { |
117 |
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f.join(); |
118 |
+ |
shouldThrow(); |
119 |
+ |
} catch (CompletionException success) { |
120 |
+ |
assertSame(ex, success.getCause()); |
121 |
+ |
} |
122 |
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try { |
123 |
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f.getNow(null); |
124 |
+ |
shouldThrow(); |
125 |
+ |
} catch (CompletionException success) { |
126 |
+ |
assertSame(ex, success.getCause()); |
127 |
+ |
} |
128 |
+ |
try { |
129 |
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f.get(); |
130 |
+ |
shouldThrow(); |
131 |
+ |
} catch (ExecutionException success) { |
132 |
+ |
assertSame(ex, success.getCause()); |
133 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
134 |
+ |
assertTrue(f.isDone()); |
135 |
+ |
assertFalse(f.isCancelled()); |
136 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
137 |
+ |
} |
138 |
+ |
|
139 |
+ |
void checkCancelled(CompletableFuture<?> f) { |
140 |
+ |
try { |
141 |
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f.get(LONG_DELAY_MS, MILLISECONDS); |
142 |
+ |
shouldThrow(); |
143 |
+ |
} catch (CancellationException success) { |
144 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
145 |
+ |
try { |
146 |
+ |
f.join(); |
147 |
+ |
shouldThrow(); |
148 |
+ |
} catch (CancellationException success) {} |
149 |
+ |
try { |
150 |
+ |
f.getNow(null); |
151 |
+ |
shouldThrow(); |
152 |
+ |
} catch (CancellationException success) {} |
153 |
+ |
try { |
154 |
+ |
f.get(); |
155 |
+ |
shouldThrow(); |
156 |
+ |
} catch (CancellationException success) { |
157 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
158 |
+ |
assertTrue(f.isDone()); |
159 |
+ |
assertTrue(f.isCompletedExceptionally()); |
160 |
+ |
assertTrue(f.isCancelled()); |
161 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
162 |
+ |
} |
163 |
+ |
|
164 |
+ |
void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) { |
165 |
+ |
try { |
166 |
+ |
f.get(LONG_DELAY_MS, MILLISECONDS); |
167 |
+ |
shouldThrow(); |
168 |
+ |
} catch (ExecutionException success) { |
169 |
+ |
assertTrue(success.getCause() instanceof CancellationException); |
170 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
171 |
+ |
try { |
172 |
+ |
f.join(); |
173 |
+ |
shouldThrow(); |
174 |
+ |
} catch (CompletionException success) { |
175 |
+ |
assertTrue(success.getCause() instanceof CancellationException); |
176 |
+ |
} |
177 |
+ |
try { |
178 |
+ |
f.getNow(null); |
179 |
+ |
shouldThrow(); |
180 |
+ |
} catch (CompletionException success) { |
181 |
+ |
assertTrue(success.getCause() instanceof CancellationException); |
182 |
+ |
} |
183 |
+ |
try { |
184 |
+ |
f.get(); |
185 |
+ |
shouldThrow(); |
186 |
+ |
} catch (ExecutionException success) { |
187 |
+ |
assertTrue(success.getCause() instanceof CancellationException); |
188 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
189 |
+ |
assertTrue(f.isDone()); |
190 |
+ |
assertFalse(f.isCancelled()); |
191 |
+ |
assertTrue(f.isCompletedExceptionally()); |
192 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
193 |
+ |
} |
194 |
+ |
|
195 |
+ |
/** |
196 |
+ |
* A newly constructed CompletableFuture is incomplete, as indicated |
197 |
+ |
* by methods isDone, isCancelled, and getNow |
198 |
+ |
*/ |
199 |
+ |
public void testConstructor() { |
200 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
201 |
+ |
checkIncomplete(f); |
202 |
+ |
} |
203 |
+ |
|
204 |
+ |
/** |
205 |
+ |
* complete completes normally, as indicated by methods isDone, |
206 |
+ |
* isCancelled, join, get, and getNow |
207 |
+ |
*/ |
208 |
+ |
public void testComplete() { |
209 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
210 |
+ |
checkIncomplete(f); |
211 |
+ |
f.complete(one); |
212 |
+ |
checkCompletedNormally(f, one); |
213 |
+ |
} |
214 |
+ |
|
215 |
+ |
/** |
216 |
+ |
* completeExceptionally completes exceptionally, as indicated by |
217 |
+ |
* methods isDone, isCancelled, join, get, and getNow |
218 |
+ |
*/ |
219 |
+ |
public void testCompleteExceptionally() { |
220 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
221 |
+ |
checkIncomplete(f); |
222 |
+ |
f.completeExceptionally(new CFException()); |
223 |
+ |
checkCompletedWithWrappedCFException(f); |
224 |
+ |
} |
225 |
+ |
|
226 |
+ |
/** |
227 |
+ |
* cancel completes exceptionally and reports cancelled, as indicated by |
228 |
+ |
* methods isDone, isCancelled, join, get, and getNow |
229 |
+ |
*/ |
230 |
+ |
public void testCancel() { |
231 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
232 |
+ |
checkIncomplete(f); |
233 |
+ |
assertTrue(f.cancel(true)); |
234 |
+ |
checkCancelled(f); |
235 |
+ |
} |
236 |
+ |
|
237 |
+ |
/** |
238 |
+ |
* obtrudeValue forces completion with given value |
239 |
+ |
*/ |
240 |
+ |
public void testObtrudeValue() { |
241 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
242 |
+ |
checkIncomplete(f); |
243 |
+ |
f.complete(one); |
244 |
+ |
checkCompletedNormally(f, one); |
245 |
+ |
f.obtrudeValue(three); |
246 |
+ |
checkCompletedNormally(f, three); |
247 |
+ |
f.obtrudeValue(two); |
248 |
+ |
checkCompletedNormally(f, two); |
249 |
+ |
f = new CompletableFuture<>(); |
250 |
+ |
f.obtrudeValue(three); |
251 |
+ |
checkCompletedNormally(f, three); |
252 |
+ |
f.obtrudeValue(null); |
253 |
+ |
checkCompletedNormally(f, null); |
254 |
+ |
f = new CompletableFuture<>(); |
255 |
+ |
f.completeExceptionally(new CFException()); |
256 |
+ |
f.obtrudeValue(four); |
257 |
+ |
checkCompletedNormally(f, four); |
258 |
+ |
} |
259 |
+ |
|
260 |
+ |
/** |
261 |
+ |
* obtrudeException forces completion with given exception |
262 |
+ |
*/ |
263 |
+ |
public void testObtrudeException() { |
264 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
265 |
+ |
checkIncomplete(f); |
266 |
+ |
f.complete(one); |
267 |
+ |
checkCompletedNormally(f, one); |
268 |
+ |
f.obtrudeException(new CFException()); |
269 |
+ |
checkCompletedWithWrappedCFException(f); |
270 |
+ |
f = new CompletableFuture<>(); |
271 |
+ |
f.obtrudeException(new CFException()); |
272 |
+ |
checkCompletedWithWrappedCFException(f); |
273 |
+ |
f = new CompletableFuture<>(); |
274 |
+ |
f.completeExceptionally(new CFException()); |
275 |
+ |
f.obtrudeValue(four); |
276 |
+ |
checkCompletedNormally(f, four); |
277 |
+ |
f.obtrudeException(new CFException()); |
278 |
+ |
checkCompletedWithWrappedCFException(f); |
279 |
+ |
} |
280 |
+ |
|
281 |
+ |
/** |
282 |
+ |
* getNumberOfDependents returns number of dependent tasks |
283 |
+ |
*/ |
284 |
+ |
public void testGetNumberOfDependents() { |
285 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
286 |
+ |
assertEquals(0, f.getNumberOfDependents()); |
287 |
+ |
CompletableFuture g = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
288 |
+ |
assertEquals(1, f.getNumberOfDependents()); |
289 |
+ |
assertEquals(0, g.getNumberOfDependents()); |
290 |
+ |
CompletableFuture h = f.thenRun(new Noop(ExecutionMode.DEFAULT)); |
291 |
+ |
assertEquals(2, f.getNumberOfDependents()); |
292 |
+ |
f.complete(1); |
293 |
+ |
checkCompletedNormally(g, null); |
294 |
+ |
assertEquals(0, f.getNumberOfDependents()); |
295 |
+ |
assertEquals(0, g.getNumberOfDependents()); |
296 |
+ |
} |
297 |
+ |
|
298 |
+ |
/** |
299 |
+ |
* toString indicates current completion state |
300 |
+ |
*/ |
301 |
|
public void testToString() { |
302 |
|
CompletableFuture<String> f; |
303 |
< |
assertTrue(new CompletableFuture<String>().toString() |
34 |
< |
.contains("[Not completed]")); |
303 |
> |
|
304 |
|
f = new CompletableFuture<String>(); |
305 |
+ |
assertTrue(f.toString().contains("[Not completed]")); |
306 |
+ |
|
307 |
|
f.complete("foo"); |
308 |
|
assertTrue(f.toString().contains("[Completed normally]")); |
309 |
+ |
|
310 |
|
f = new CompletableFuture<String>(); |
311 |
|
f.completeExceptionally(new IndexOutOfBoundsException()); |
312 |
|
assertTrue(f.toString().contains("[Completed exceptionally]")); |
313 |
|
} |
314 |
+ |
|
315 |
+ |
/** |
316 |
+ |
* completedFuture returns a completed CompletableFuture with given value |
317 |
+ |
*/ |
318 |
+ |
public void testCompletedFuture() { |
319 |
+ |
CompletableFuture<String> f = CompletableFuture.completedFuture("test"); |
320 |
+ |
checkCompletedNormally(f, "test"); |
321 |
+ |
} |
322 |
+ |
|
323 |
+ |
abstract class CheckedAction { |
324 |
+ |
int invocationCount = 0; |
325 |
+ |
final ExecutionMode m; |
326 |
+ |
CheckedAction(ExecutionMode m) { this.m = m; } |
327 |
+ |
void invoked() { |
328 |
+ |
m.checkExecutionMode(); |
329 |
+ |
assertEquals(0, invocationCount++); |
330 |
+ |
} |
331 |
+ |
void assertNotInvoked() { assertEquals(0, invocationCount); } |
332 |
+ |
void assertInvoked() { assertEquals(1, invocationCount); } |
333 |
+ |
} |
334 |
+ |
|
335 |
+ |
abstract class CheckedIntegerAction extends CheckedAction { |
336 |
+ |
Integer value; |
337 |
+ |
CheckedIntegerAction(ExecutionMode m) { super(m); } |
338 |
+ |
void assertValue(Integer expected) { |
339 |
+ |
assertInvoked(); |
340 |
+ |
assertEquals(expected, value); |
341 |
+ |
} |
342 |
+ |
} |
343 |
+ |
|
344 |
+ |
class IntegerSupplier extends CheckedAction |
345 |
+ |
implements Supplier<Integer> |
346 |
+ |
{ |
347 |
+ |
final Integer value; |
348 |
+ |
IntegerSupplier(ExecutionMode m, Integer value) { |
349 |
+ |
super(m); |
350 |
+ |
this.value = value; |
351 |
+ |
} |
352 |
+ |
public Integer get() { |
353 |
+ |
invoked(); |
354 |
+ |
return value; |
355 |
+ |
} |
356 |
+ |
} |
357 |
+ |
|
358 |
+ |
// A function that handles and produces null values as well. |
359 |
+ |
static Integer inc(Integer x) { |
360 |
+ |
return (x == null) ? null : x + 1; |
361 |
+ |
} |
362 |
+ |
|
363 |
+ |
class IncAction extends CheckedIntegerAction |
364 |
+ |
implements Consumer<Integer> |
365 |
+ |
{ |
366 |
+ |
IncAction(ExecutionMode m) { super(m); } |
367 |
+ |
public void accept(Integer x) { |
368 |
+ |
invoked(); |
369 |
+ |
value = inc(x); |
370 |
+ |
} |
371 |
+ |
} |
372 |
+ |
|
373 |
+ |
class IncFunction extends CheckedIntegerAction |
374 |
+ |
implements Function<Integer,Integer> |
375 |
+ |
{ |
376 |
+ |
IncFunction(ExecutionMode m) { super(m); } |
377 |
+ |
public Integer apply(Integer x) { |
378 |
+ |
invoked(); |
379 |
+ |
return value = inc(x); |
380 |
+ |
} |
381 |
+ |
} |
382 |
+ |
|
383 |
+ |
// Choose non-commutative actions for better coverage |
384 |
+ |
// A non-commutative function that handles and produces null values as well. |
385 |
+ |
static Integer subtract(Integer x, Integer y) { |
386 |
+ |
return (x == null && y == null) ? null : |
387 |
+ |
((x == null) ? 42 : x.intValue()) |
388 |
+ |
- ((y == null) ? 99 : y.intValue()); |
389 |
+ |
} |
390 |
+ |
|
391 |
+ |
class SubtractAction extends CheckedIntegerAction |
392 |
+ |
implements BiConsumer<Integer, Integer> |
393 |
+ |
{ |
394 |
+ |
SubtractAction(ExecutionMode m) { super(m); } |
395 |
+ |
public void accept(Integer x, Integer y) { |
396 |
+ |
invoked(); |
397 |
+ |
value = subtract(x, y); |
398 |
+ |
} |
399 |
+ |
} |
400 |
+ |
|
401 |
+ |
class SubtractFunction extends CheckedIntegerAction |
402 |
+ |
implements BiFunction<Integer, Integer, Integer> |
403 |
+ |
{ |
404 |
+ |
SubtractFunction(ExecutionMode m) { super(m); } |
405 |
+ |
public Integer apply(Integer x, Integer y) { |
406 |
+ |
invoked(); |
407 |
+ |
return value = subtract(x, y); |
408 |
+ |
} |
409 |
+ |
} |
410 |
+ |
|
411 |
+ |
class Noop extends CheckedAction implements Runnable { |
412 |
+ |
Noop(ExecutionMode m) { super(m); } |
413 |
+ |
public void run() { |
414 |
+ |
invoked(); |
415 |
+ |
} |
416 |
+ |
} |
417 |
+ |
|
418 |
+ |
class FailingSupplier extends CheckedAction |
419 |
+ |
implements Supplier<Integer> |
420 |
+ |
{ |
421 |
+ |
FailingSupplier(ExecutionMode m) { super(m); } |
422 |
+ |
public Integer get() { |
423 |
+ |
invoked(); |
424 |
+ |
throw new CFException(); |
425 |
+ |
} |
426 |
+ |
} |
427 |
+ |
|
428 |
+ |
class FailingConsumer extends CheckedIntegerAction |
429 |
+ |
implements Consumer<Integer> |
430 |
+ |
{ |
431 |
+ |
FailingConsumer(ExecutionMode m) { super(m); } |
432 |
+ |
public void accept(Integer x) { |
433 |
+ |
invoked(); |
434 |
+ |
value = x; |
435 |
+ |
throw new CFException(); |
436 |
+ |
} |
437 |
+ |
} |
438 |
+ |
|
439 |
+ |
class FailingBiConsumer extends CheckedIntegerAction |
440 |
+ |
implements BiConsumer<Integer, Integer> |
441 |
+ |
{ |
442 |
+ |
FailingBiConsumer(ExecutionMode m) { super(m); } |
443 |
+ |
public void accept(Integer x, Integer y) { |
444 |
+ |
invoked(); |
445 |
+ |
value = subtract(x, y); |
446 |
+ |
throw new CFException(); |
447 |
+ |
} |
448 |
+ |
} |
449 |
+ |
|
450 |
+ |
class FailingFunction extends CheckedIntegerAction |
451 |
+ |
implements Function<Integer, Integer> |
452 |
+ |
{ |
453 |
+ |
FailingFunction(ExecutionMode m) { super(m); } |
454 |
+ |
public Integer apply(Integer x) { |
455 |
+ |
invoked(); |
456 |
+ |
value = x; |
457 |
+ |
throw new CFException(); |
458 |
+ |
} |
459 |
+ |
} |
460 |
+ |
|
461 |
+ |
class FailingBiFunction extends CheckedIntegerAction |
462 |
+ |
implements BiFunction<Integer, Integer, Integer> |
463 |
+ |
{ |
464 |
+ |
FailingBiFunction(ExecutionMode m) { super(m); } |
465 |
+ |
public Integer apply(Integer x, Integer y) { |
466 |
+ |
invoked(); |
467 |
+ |
value = subtract(x, y); |
468 |
+ |
throw new CFException(); |
469 |
+ |
} |
470 |
+ |
} |
471 |
+ |
|
472 |
+ |
class FailingRunnable extends CheckedAction implements Runnable { |
473 |
+ |
FailingRunnable(ExecutionMode m) { super(m); } |
474 |
+ |
public void run() { |
475 |
+ |
invoked(); |
476 |
+ |
throw new CFException(); |
477 |
+ |
} |
478 |
+ |
} |
479 |
+ |
|
480 |
+ |
|
481 |
+ |
class CompletableFutureInc extends CheckedIntegerAction |
482 |
+ |
implements Function<Integer, CompletableFuture<Integer>> |
483 |
+ |
{ |
484 |
+ |
CompletableFutureInc(ExecutionMode m) { super(m); } |
485 |
+ |
public CompletableFuture<Integer> apply(Integer x) { |
486 |
+ |
invoked(); |
487 |
+ |
value = x; |
488 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
489 |
+ |
f.complete(inc(x)); |
490 |
+ |
return f; |
491 |
+ |
} |
492 |
+ |
} |
493 |
+ |
|
494 |
+ |
class FailingCompletableFutureFunction extends CheckedIntegerAction |
495 |
+ |
implements Function<Integer, CompletableFuture<Integer>> |
496 |
+ |
{ |
497 |
+ |
FailingCompletableFutureFunction(ExecutionMode m) { super(m); } |
498 |
+ |
public CompletableFuture<Integer> apply(Integer x) { |
499 |
+ |
invoked(); |
500 |
+ |
value = x; |
501 |
+ |
throw new CFException(); |
502 |
+ |
} |
503 |
+ |
} |
504 |
+ |
|
505 |
+ |
// Used for explicit executor tests |
506 |
+ |
static final class ThreadExecutor implements Executor { |
507 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
508 |
+ |
static final ThreadGroup tg = new ThreadGroup("ThreadExecutor"); |
509 |
+ |
static boolean startedCurrentThread() { |
510 |
+ |
return Thread.currentThread().getThreadGroup() == tg; |
511 |
+ |
} |
512 |
+ |
|
513 |
+ |
public void execute(Runnable r) { |
514 |
+ |
count.getAndIncrement(); |
515 |
+ |
new Thread(tg, r).start(); |
516 |
+ |
} |
517 |
+ |
} |
518 |
+ |
|
519 |
+ |
/** |
520 |
+ |
* Permits the testing of parallel code for the 3 different |
521 |
+ |
* execution modes without copy/pasting all the test methods. |
522 |
+ |
*/ |
523 |
+ |
enum ExecutionMode { |
524 |
+ |
DEFAULT { |
525 |
+ |
public void checkExecutionMode() { |
526 |
+ |
assertFalse(ThreadExecutor.startedCurrentThread()); |
527 |
+ |
assertNull(ForkJoinTask.getPool()); |
528 |
+ |
} |
529 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
530 |
+ |
throw new UnsupportedOperationException(); |
531 |
+ |
} |
532 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
533 |
+ |
throw new UnsupportedOperationException(); |
534 |
+ |
} |
535 |
+ |
public <T> CompletableFuture<Void> thenRun |
536 |
+ |
(CompletableFuture<T> f, Runnable a) { |
537 |
+ |
return f.thenRun(a); |
538 |
+ |
} |
539 |
+ |
public <T> CompletableFuture<Void> thenAccept |
540 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
541 |
+ |
return f.thenAccept(a); |
542 |
+ |
} |
543 |
+ |
public <T,U> CompletableFuture<U> thenApply |
544 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
545 |
+ |
return f.thenApply(a); |
546 |
+ |
} |
547 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
548 |
+ |
(CompletableFuture<T> f, |
549 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
550 |
+ |
return f.thenCompose(a); |
551 |
+ |
} |
552 |
+ |
public <T,U> CompletableFuture<U> handle |
553 |
+ |
(CompletableFuture<T> f, |
554 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
555 |
+ |
return f.handle(a); |
556 |
+ |
} |
557 |
+ |
public <T> CompletableFuture<T> whenComplete |
558 |
+ |
(CompletableFuture<T> f, |
559 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
560 |
+ |
return f.whenComplete(a); |
561 |
+ |
} |
562 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
563 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
564 |
+ |
return f.runAfterBoth(g, a); |
565 |
+ |
} |
566 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
567 |
+ |
(CompletableFuture<T> f, |
568 |
+ |
CompletionStage<? extends U> g, |
569 |
+ |
BiConsumer<? super T,? super U> a) { |
570 |
+ |
return f.thenAcceptBoth(g, a); |
571 |
+ |
} |
572 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
573 |
+ |
(CompletableFuture<T> f, |
574 |
+ |
CompletionStage<? extends U> g, |
575 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
576 |
+ |
return f.thenCombine(g, a); |
577 |
+ |
} |
578 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
579 |
+ |
(CompletableFuture<T> f, |
580 |
+ |
CompletionStage<?> g, |
581 |
+ |
java.lang.Runnable a) { |
582 |
+ |
return f.runAfterEither(g, a); |
583 |
+ |
} |
584 |
+ |
public <T> CompletableFuture<Void> acceptEither |
585 |
+ |
(CompletableFuture<T> f, |
586 |
+ |
CompletionStage<? extends T> g, |
587 |
+ |
Consumer<? super T> a) { |
588 |
+ |
return f.acceptEither(g, a); |
589 |
+ |
} |
590 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
591 |
+ |
(CompletableFuture<T> f, |
592 |
+ |
CompletionStage<? extends T> g, |
593 |
+ |
Function<? super T,U> a) { |
594 |
+ |
return f.applyToEither(g, a); |
595 |
+ |
} |
596 |
+ |
}, |
597 |
+ |
|
598 |
+ |
ASYNC { |
599 |
+ |
public void checkExecutionMode() { |
600 |
+ |
assertSame(ForkJoinPool.commonPool(), |
601 |
+ |
ForkJoinTask.getPool()); |
602 |
+ |
} |
603 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
604 |
+ |
return CompletableFuture.runAsync(a); |
605 |
+ |
} |
606 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
607 |
+ |
return CompletableFuture.supplyAsync(a); |
608 |
+ |
} |
609 |
+ |
public <T> CompletableFuture<Void> thenRun |
610 |
+ |
(CompletableFuture<T> f, Runnable a) { |
611 |
+ |
return f.thenRunAsync(a); |
612 |
+ |
} |
613 |
+ |
public <T> CompletableFuture<Void> thenAccept |
614 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
615 |
+ |
return f.thenAcceptAsync(a); |
616 |
+ |
} |
617 |
+ |
public <T,U> CompletableFuture<U> thenApply |
618 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
619 |
+ |
return f.thenApplyAsync(a); |
620 |
+ |
} |
621 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
622 |
+ |
(CompletableFuture<T> f, |
623 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
624 |
+ |
return f.thenComposeAsync(a); |
625 |
+ |
} |
626 |
+ |
public <T,U> CompletableFuture<U> handle |
627 |
+ |
(CompletableFuture<T> f, |
628 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
629 |
+ |
return f.handleAsync(a); |
630 |
+ |
} |
631 |
+ |
public <T> CompletableFuture<T> whenComplete |
632 |
+ |
(CompletableFuture<T> f, |
633 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
634 |
+ |
return f.whenCompleteAsync(a); |
635 |
+ |
} |
636 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
637 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
638 |
+ |
return f.runAfterBothAsync(g, a); |
639 |
+ |
} |
640 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
641 |
+ |
(CompletableFuture<T> f, |
642 |
+ |
CompletionStage<? extends U> g, |
643 |
+ |
BiConsumer<? super T,? super U> a) { |
644 |
+ |
return f.thenAcceptBothAsync(g, a); |
645 |
+ |
} |
646 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
647 |
+ |
(CompletableFuture<T> f, |
648 |
+ |
CompletionStage<? extends U> g, |
649 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
650 |
+ |
return f.thenCombineAsync(g, a); |
651 |
+ |
} |
652 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
653 |
+ |
(CompletableFuture<T> f, |
654 |
+ |
CompletionStage<?> g, |
655 |
+ |
java.lang.Runnable a) { |
656 |
+ |
return f.runAfterEitherAsync(g, a); |
657 |
+ |
} |
658 |
+ |
public <T> CompletableFuture<Void> acceptEither |
659 |
+ |
(CompletableFuture<T> f, |
660 |
+ |
CompletionStage<? extends T> g, |
661 |
+ |
Consumer<? super T> a) { |
662 |
+ |
return f.acceptEitherAsync(g, a); |
663 |
+ |
} |
664 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
665 |
+ |
(CompletableFuture<T> f, |
666 |
+ |
CompletionStage<? extends T> g, |
667 |
+ |
Function<? super T,U> a) { |
668 |
+ |
return f.applyToEitherAsync(g, a); |
669 |
+ |
} |
670 |
+ |
}, |
671 |
+ |
|
672 |
+ |
EXECUTOR { |
673 |
+ |
public void checkExecutionMode() { |
674 |
+ |
assertTrue(ThreadExecutor.startedCurrentThread()); |
675 |
+ |
} |
676 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
677 |
+ |
return CompletableFuture.runAsync(a, new ThreadExecutor()); |
678 |
+ |
} |
679 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
680 |
+ |
return CompletableFuture.supplyAsync(a, new ThreadExecutor()); |
681 |
+ |
} |
682 |
+ |
public <T> CompletableFuture<Void> thenRun |
683 |
+ |
(CompletableFuture<T> f, Runnable a) { |
684 |
+ |
return f.thenRunAsync(a, new ThreadExecutor()); |
685 |
+ |
} |
686 |
+ |
public <T> CompletableFuture<Void> thenAccept |
687 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
688 |
+ |
return f.thenAcceptAsync(a, new ThreadExecutor()); |
689 |
+ |
} |
690 |
+ |
public <T,U> CompletableFuture<U> thenApply |
691 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
692 |
+ |
return f.thenApplyAsync(a, new ThreadExecutor()); |
693 |
+ |
} |
694 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
695 |
+ |
(CompletableFuture<T> f, |
696 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
697 |
+ |
return f.thenComposeAsync(a, new ThreadExecutor()); |
698 |
+ |
} |
699 |
+ |
public <T,U> CompletableFuture<U> handle |
700 |
+ |
(CompletableFuture<T> f, |
701 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
702 |
+ |
return f.handleAsync(a, new ThreadExecutor()); |
703 |
+ |
} |
704 |
+ |
public <T> CompletableFuture<T> whenComplete |
705 |
+ |
(CompletableFuture<T> f, |
706 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
707 |
+ |
return f.whenCompleteAsync(a, new ThreadExecutor()); |
708 |
+ |
} |
709 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
710 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
711 |
+ |
return f.runAfterBothAsync(g, a, new ThreadExecutor()); |
712 |
+ |
} |
713 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
714 |
+ |
(CompletableFuture<T> f, |
715 |
+ |
CompletionStage<? extends U> g, |
716 |
+ |
BiConsumer<? super T,? super U> a) { |
717 |
+ |
return f.thenAcceptBothAsync(g, a, new ThreadExecutor()); |
718 |
+ |
} |
719 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
720 |
+ |
(CompletableFuture<T> f, |
721 |
+ |
CompletionStage<? extends U> g, |
722 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
723 |
+ |
return f.thenCombineAsync(g, a, new ThreadExecutor()); |
724 |
+ |
} |
725 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
726 |
+ |
(CompletableFuture<T> f, |
727 |
+ |
CompletionStage<?> g, |
728 |
+ |
java.lang.Runnable a) { |
729 |
+ |
return f.runAfterEitherAsync(g, a, new ThreadExecutor()); |
730 |
+ |
} |
731 |
+ |
public <T> CompletableFuture<Void> acceptEither |
732 |
+ |
(CompletableFuture<T> f, |
733 |
+ |
CompletionStage<? extends T> g, |
734 |
+ |
Consumer<? super T> a) { |
735 |
+ |
return f.acceptEitherAsync(g, a, new ThreadExecutor()); |
736 |
+ |
} |
737 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
738 |
+ |
(CompletableFuture<T> f, |
739 |
+ |
CompletionStage<? extends T> g, |
740 |
+ |
Function<? super T,U> a) { |
741 |
+ |
return f.applyToEitherAsync(g, a, new ThreadExecutor()); |
742 |
+ |
} |
743 |
+ |
}; |
744 |
+ |
|
745 |
+ |
public abstract void checkExecutionMode(); |
746 |
+ |
public abstract CompletableFuture<Void> runAsync(Runnable a); |
747 |
+ |
public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a); |
748 |
+ |
public abstract <T> CompletableFuture<Void> thenRun |
749 |
+ |
(CompletableFuture<T> f, Runnable a); |
750 |
+ |
public abstract <T> CompletableFuture<Void> thenAccept |
751 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a); |
752 |
+ |
public abstract <T,U> CompletableFuture<U> thenApply |
753 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a); |
754 |
+ |
public abstract <T,U> CompletableFuture<U> thenCompose |
755 |
+ |
(CompletableFuture<T> f, |
756 |
+ |
Function<? super T,? extends CompletionStage<U>> a); |
757 |
+ |
public abstract <T,U> CompletableFuture<U> handle |
758 |
+ |
(CompletableFuture<T> f, |
759 |
+ |
BiFunction<? super T,Throwable,? extends U> a); |
760 |
+ |
public abstract <T> CompletableFuture<T> whenComplete |
761 |
+ |
(CompletableFuture<T> f, |
762 |
+ |
BiConsumer<? super T,? super Throwable> a); |
763 |
+ |
public abstract <T,U> CompletableFuture<Void> runAfterBoth |
764 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a); |
765 |
+ |
public abstract <T,U> CompletableFuture<Void> thenAcceptBoth |
766 |
+ |
(CompletableFuture<T> f, |
767 |
+ |
CompletionStage<? extends U> g, |
768 |
+ |
BiConsumer<? super T,? super U> a); |
769 |
+ |
public abstract <T,U,V> CompletableFuture<V> thenCombine |
770 |
+ |
(CompletableFuture<T> f, |
771 |
+ |
CompletionStage<? extends U> g, |
772 |
+ |
BiFunction<? super T,? super U,? extends V> a); |
773 |
+ |
public abstract <T> CompletableFuture<Void> runAfterEither |
774 |
+ |
(CompletableFuture<T> f, |
775 |
+ |
CompletionStage<?> g, |
776 |
+ |
java.lang.Runnable a); |
777 |
+ |
public abstract <T> CompletableFuture<Void> acceptEither |
778 |
+ |
(CompletableFuture<T> f, |
779 |
+ |
CompletionStage<? extends T> g, |
780 |
+ |
Consumer<? super T> a); |
781 |
+ |
public abstract <T,U> CompletableFuture<U> applyToEither |
782 |
+ |
(CompletableFuture<T> f, |
783 |
+ |
CompletionStage<? extends T> g, |
784 |
+ |
Function<? super T,U> a); |
785 |
+ |
} |
786 |
+ |
|
787 |
+ |
/** |
788 |
+ |
* exceptionally action is not invoked when source completes |
789 |
+ |
* normally, and source result is propagated |
790 |
+ |
*/ |
791 |
+ |
public void testExceptionally_normalCompletion() { |
792 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
793 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
794 |
+ |
{ |
795 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
796 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
797 |
+ |
if (!createIncomplete) f.complete(v1); |
798 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
799 |
+ |
((Throwable t) -> { |
800 |
+ |
// Should not be called |
801 |
+ |
a.getAndIncrement(); |
802 |
+ |
throw new AssertionError(); |
803 |
+ |
}); |
804 |
+ |
if (createIncomplete) f.complete(v1); |
805 |
+ |
|
806 |
+ |
checkCompletedNormally(g, v1); |
807 |
+ |
checkCompletedNormally(f, v1); |
808 |
+ |
assertEquals(0, a.get()); |
809 |
+ |
}} |
810 |
+ |
|
811 |
+ |
|
812 |
+ |
/** |
813 |
+ |
* exceptionally action completes with function value on source |
814 |
+ |
* exception |
815 |
+ |
*/ |
816 |
+ |
public void testExceptionally_exceptionalCompletion() { |
817 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
818 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
819 |
+ |
{ |
820 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
821 |
+ |
final CFException ex = new CFException(); |
822 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
823 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
824 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
825 |
+ |
((Throwable t) -> { |
826 |
+ |
ExecutionMode.DEFAULT.checkExecutionMode(); |
827 |
+ |
threadAssertSame(t, ex); |
828 |
+ |
a.getAndIncrement(); |
829 |
+ |
return v1; |
830 |
+ |
}); |
831 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
832 |
+ |
|
833 |
+ |
checkCompletedNormally(g, v1); |
834 |
+ |
assertEquals(1, a.get()); |
835 |
+ |
}} |
836 |
+ |
|
837 |
+ |
public void testExceptionally_exceptionalCompletionActionFailed() { |
838 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
839 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
840 |
+ |
{ |
841 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
842 |
+ |
final CFException ex1 = new CFException(); |
843 |
+ |
final CFException ex2 = new CFException(); |
844 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
845 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
846 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
847 |
+ |
((Throwable t) -> { |
848 |
+ |
ExecutionMode.DEFAULT.checkExecutionMode(); |
849 |
+ |
threadAssertSame(t, ex1); |
850 |
+ |
a.getAndIncrement(); |
851 |
+ |
throw ex2; |
852 |
+ |
}); |
853 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
854 |
+ |
|
855 |
+ |
checkCompletedWithWrappedCFException(g, ex2); |
856 |
+ |
assertEquals(1, a.get()); |
857 |
+ |
}} |
858 |
+ |
|
859 |
+ |
/** |
860 |
+ |
* handle action completes normally with function value on normal |
861 |
+ |
* completion of source |
862 |
+ |
*/ |
863 |
+ |
public void testHandle_normalCompletion() { |
864 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
865 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
866 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
867 |
+ |
{ |
868 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
869 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
870 |
+ |
if (!createIncomplete) f.complete(v1); |
871 |
+ |
final CompletableFuture<Integer> g = m.handle |
872 |
+ |
(f, |
873 |
+ |
(Integer x, Throwable t) -> { |
874 |
+ |
m.checkExecutionMode(); |
875 |
+ |
threadAssertSame(x, v1); |
876 |
+ |
threadAssertNull(t); |
877 |
+ |
a.getAndIncrement(); |
878 |
+ |
return inc(v1); |
879 |
+ |
}); |
880 |
+ |
if (createIncomplete) f.complete(v1); |
881 |
+ |
|
882 |
+ |
checkCompletedNormally(g, inc(v1)); |
883 |
+ |
checkCompletedNormally(f, v1); |
884 |
+ |
assertEquals(1, a.get()); |
885 |
+ |
}} |
886 |
+ |
|
887 |
+ |
/** |
888 |
+ |
* handle action completes normally with function value on |
889 |
+ |
* exceptional completion of source |
890 |
+ |
*/ |
891 |
+ |
public void testHandle_exceptionalCompletion() { |
892 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
893 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
894 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
895 |
+ |
{ |
896 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
897 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
898 |
+ |
final CFException ex = new CFException(); |
899 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
900 |
+ |
final CompletableFuture<Integer> g = m.handle |
901 |
+ |
(f, |
902 |
+ |
(Integer x, Throwable t) -> { |
903 |
+ |
m.checkExecutionMode(); |
904 |
+ |
threadAssertNull(x); |
905 |
+ |
threadAssertSame(t, ex); |
906 |
+ |
a.getAndIncrement(); |
907 |
+ |
return v1; |
908 |
+ |
}); |
909 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
910 |
+ |
|
911 |
+ |
checkCompletedNormally(g, v1); |
912 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
913 |
+ |
assertEquals(1, a.get()); |
914 |
+ |
}} |
915 |
+ |
|
916 |
+ |
/** |
917 |
+ |
* handle action completes normally with function value on |
918 |
+ |
* cancelled source |
919 |
+ |
*/ |
920 |
+ |
public void testHandle_sourceCancelled() { |
921 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
922 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
923 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
924 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
925 |
+ |
{ |
926 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
927 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
928 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
929 |
+ |
final CompletableFuture<Integer> g = m.handle |
930 |
+ |
(f, |
931 |
+ |
(Integer x, Throwable t) -> { |
932 |
+ |
m.checkExecutionMode(); |
933 |
+ |
threadAssertNull(x); |
934 |
+ |
threadAssertTrue(t instanceof CancellationException); |
935 |
+ |
a.getAndIncrement(); |
936 |
+ |
return v1; |
937 |
+ |
}); |
938 |
+ |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
939 |
+ |
|
940 |
+ |
checkCompletedNormally(g, v1); |
941 |
+ |
checkCancelled(f); |
942 |
+ |
assertEquals(1, a.get()); |
943 |
+ |
}} |
944 |
+ |
|
945 |
+ |
/** |
946 |
+ |
* handle result completes exceptionally if action does |
947 |
+ |
*/ |
948 |
+ |
public void testHandle_sourceFailedActionFailed() { |
949 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
950 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
951 |
+ |
{ |
952 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
953 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
954 |
+ |
final CFException ex1 = new CFException(); |
955 |
+ |
final CFException ex2 = new CFException(); |
956 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
957 |
+ |
final CompletableFuture<Integer> g = m.handle |
958 |
+ |
(f, |
959 |
+ |
(Integer x, Throwable t) -> { |
960 |
+ |
m.checkExecutionMode(); |
961 |
+ |
threadAssertNull(x); |
962 |
+ |
threadAssertSame(ex1, t); |
963 |
+ |
a.getAndIncrement(); |
964 |
+ |
throw ex2; |
965 |
+ |
}); |
966 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
967 |
+ |
|
968 |
+ |
checkCompletedWithWrappedCFException(g, ex2); |
969 |
+ |
checkCompletedWithWrappedCFException(f, ex1); |
970 |
+ |
assertEquals(1, a.get()); |
971 |
+ |
}} |
972 |
+ |
|
973 |
+ |
public void testHandle_sourceCompletedNormallyActionFailed() { |
974 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
975 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
976 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
977 |
+ |
{ |
978 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
979 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
980 |
+ |
final CFException ex = new CFException(); |
981 |
+ |
if (!createIncomplete) f.complete(v1); |
982 |
+ |
final CompletableFuture<Integer> g = m.handle |
983 |
+ |
(f, |
984 |
+ |
(Integer x, Throwable t) -> { |
985 |
+ |
m.checkExecutionMode(); |
986 |
+ |
threadAssertSame(x, v1); |
987 |
+ |
threadAssertNull(t); |
988 |
+ |
a.getAndIncrement(); |
989 |
+ |
throw ex; |
990 |
+ |
}); |
991 |
+ |
if (createIncomplete) f.complete(v1); |
992 |
+ |
|
993 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
994 |
+ |
checkCompletedNormally(f, v1); |
995 |
+ |
assertEquals(1, a.get()); |
996 |
+ |
}} |
997 |
+ |
|
998 |
+ |
/** |
999 |
+ |
* runAsync completes after running Runnable |
1000 |
+ |
*/ |
1001 |
+ |
public void testRunAsync_normalCompletion() { |
1002 |
+ |
ExecutionMode[] executionModes = { |
1003 |
+ |
ExecutionMode.ASYNC, |
1004 |
+ |
ExecutionMode.EXECUTOR, |
1005 |
+ |
}; |
1006 |
+ |
for (ExecutionMode m : executionModes) |
1007 |
+ |
{ |
1008 |
+ |
final Noop r = new Noop(m); |
1009 |
+ |
final CompletableFuture<Void> f = m.runAsync(r); |
1010 |
+ |
assertNull(f.join()); |
1011 |
+ |
checkCompletedNormally(f, null); |
1012 |
+ |
r.assertInvoked(); |
1013 |
+ |
}} |
1014 |
+ |
|
1015 |
+ |
/** |
1016 |
+ |
* failing runAsync completes exceptionally after running Runnable |
1017 |
+ |
*/ |
1018 |
+ |
public void testRunAsync_exceptionalCompletion() { |
1019 |
+ |
ExecutionMode[] executionModes = { |
1020 |
+ |
ExecutionMode.ASYNC, |
1021 |
+ |
ExecutionMode.EXECUTOR, |
1022 |
+ |
}; |
1023 |
+ |
for (ExecutionMode m : executionModes) |
1024 |
+ |
{ |
1025 |
+ |
final FailingRunnable r = new FailingRunnable(m); |
1026 |
+ |
final CompletableFuture<Void> f = m.runAsync(r); |
1027 |
+ |
checkCompletedWithWrappedCFException(f); |
1028 |
+ |
r.assertInvoked(); |
1029 |
+ |
}} |
1030 |
+ |
|
1031 |
+ |
/** |
1032 |
+ |
* supplyAsync completes with result of supplier |
1033 |
+ |
*/ |
1034 |
+ |
public void testSupplyAsync_normalCompletion() { |
1035 |
+ |
ExecutionMode[] executionModes = { |
1036 |
+ |
ExecutionMode.ASYNC, |
1037 |
+ |
ExecutionMode.EXECUTOR, |
1038 |
+ |
}; |
1039 |
+ |
for (ExecutionMode m : executionModes) |
1040 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1041 |
+ |
{ |
1042 |
+ |
final IntegerSupplier r = new IntegerSupplier(m, v1); |
1043 |
+ |
final CompletableFuture<Integer> f = m.supplyAsync(r); |
1044 |
+ |
assertSame(v1, f.join()); |
1045 |
+ |
checkCompletedNormally(f, v1); |
1046 |
+ |
r.assertInvoked(); |
1047 |
+ |
}} |
1048 |
+ |
|
1049 |
+ |
/** |
1050 |
+ |
* Failing supplyAsync completes exceptionally |
1051 |
+ |
*/ |
1052 |
+ |
public void testSupplyAsync_exceptionalCompletion() { |
1053 |
+ |
ExecutionMode[] executionModes = { |
1054 |
+ |
ExecutionMode.ASYNC, |
1055 |
+ |
ExecutionMode.EXECUTOR, |
1056 |
+ |
}; |
1057 |
+ |
for (ExecutionMode m : executionModes) |
1058 |
+ |
{ |
1059 |
+ |
FailingSupplier r = new FailingSupplier(m); |
1060 |
+ |
CompletableFuture<Integer> f = m.supplyAsync(r); |
1061 |
+ |
checkCompletedWithWrappedCFException(f); |
1062 |
+ |
r.assertInvoked(); |
1063 |
+ |
}} |
1064 |
+ |
|
1065 |
+ |
// seq completion methods |
1066 |
+ |
|
1067 |
+ |
/** |
1068 |
+ |
* thenRun result completes normally after normal completion of source |
1069 |
+ |
*/ |
1070 |
+ |
public void testThenRun_normalCompletion() { |
1071 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1072 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1073 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1074 |
+ |
{ |
1075 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1076 |
+ |
final Noop r = new Noop(m); |
1077 |
+ |
if (!createIncomplete) f.complete(v1); |
1078 |
+ |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1079 |
+ |
if (createIncomplete) { |
1080 |
+ |
checkIncomplete(g); |
1081 |
+ |
f.complete(v1); |
1082 |
+ |
} |
1083 |
+ |
|
1084 |
+ |
checkCompletedNormally(g, null); |
1085 |
+ |
checkCompletedNormally(f, v1); |
1086 |
+ |
r.assertInvoked(); |
1087 |
+ |
}} |
1088 |
+ |
|
1089 |
+ |
/** |
1090 |
+ |
* thenRun result completes exceptionally after exceptional |
1091 |
+ |
* completion of source |
1092 |
+ |
*/ |
1093 |
+ |
public void testThenRun_exceptionalCompletion() { |
1094 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1095 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1096 |
+ |
{ |
1097 |
+ |
final CFException ex = new CFException(); |
1098 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1099 |
+ |
final Noop r = new Noop(m); |
1100 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
1101 |
+ |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1102 |
+ |
if (createIncomplete) { |
1103 |
+ |
checkIncomplete(g); |
1104 |
+ |
f.completeExceptionally(ex); |
1105 |
+ |
} |
1106 |
+ |
|
1107 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
1108 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
1109 |
+ |
r.assertNotInvoked(); |
1110 |
+ |
}} |
1111 |
+ |
|
1112 |
+ |
/** |
1113 |
+ |
* thenRun result completes exceptionally if source cancelled |
1114 |
+ |
*/ |
1115 |
+ |
public void testThenRun_sourceCancelled() { |
1116 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1117 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1118 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1119 |
+ |
{ |
1120 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1121 |
+ |
final Noop r = new Noop(m); |
1122 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1123 |
+ |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1124 |
+ |
if (createIncomplete) { |
1125 |
+ |
checkIncomplete(g); |
1126 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1127 |
+ |
} |
1128 |
+ |
|
1129 |
+ |
checkCompletedWithWrappedCancellationException(g); |
1130 |
+ |
checkCancelled(f); |
1131 |
+ |
r.assertNotInvoked(); |
1132 |
+ |
}} |
1133 |
+ |
|
1134 |
+ |
/** |
1135 |
+ |
* thenRun result completes exceptionally if action does |
1136 |
+ |
*/ |
1137 |
+ |
public void testThenRun_actionFailed() { |
1138 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1139 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1140 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1141 |
+ |
{ |
1142 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1143 |
+ |
final FailingRunnable r = new FailingRunnable(m); |
1144 |
+ |
if (!createIncomplete) f.complete(v1); |
1145 |
+ |
final CompletableFuture<Void> g = m.thenRun(f, r); |
1146 |
+ |
if (createIncomplete) { |
1147 |
+ |
checkIncomplete(g); |
1148 |
+ |
f.complete(v1); |
1149 |
+ |
} |
1150 |
+ |
|
1151 |
+ |
checkCompletedWithWrappedCFException(g); |
1152 |
+ |
checkCompletedNormally(f, v1); |
1153 |
+ |
}} |
1154 |
+ |
|
1155 |
+ |
/** |
1156 |
+ |
* thenApply result completes normally after normal completion of source |
1157 |
+ |
*/ |
1158 |
+ |
public void testThenApply_normalCompletion() { |
1159 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1160 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1161 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1162 |
+ |
{ |
1163 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1164 |
+ |
final IncFunction r = new IncFunction(m); |
1165 |
+ |
if (!createIncomplete) f.complete(v1); |
1166 |
+ |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1167 |
+ |
if (createIncomplete) { |
1168 |
+ |
checkIncomplete(g); |
1169 |
+ |
f.complete(v1); |
1170 |
+ |
} |
1171 |
+ |
|
1172 |
+ |
checkCompletedNormally(g, inc(v1)); |
1173 |
+ |
checkCompletedNormally(f, v1); |
1174 |
+ |
r.assertInvoked(); |
1175 |
+ |
}} |
1176 |
+ |
|
1177 |
+ |
/** |
1178 |
+ |
* thenApply result completes exceptionally after exceptional |
1179 |
+ |
* completion of source |
1180 |
+ |
*/ |
1181 |
+ |
public void testThenApply_exceptionalCompletion() { |
1182 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1183 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1184 |
+ |
{ |
1185 |
+ |
final CFException ex = new CFException(); |
1186 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1187 |
+ |
final IncFunction r = new IncFunction(m); |
1188 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
1189 |
+ |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1190 |
+ |
if (createIncomplete) { |
1191 |
+ |
checkIncomplete(g); |
1192 |
+ |
f.completeExceptionally(ex); |
1193 |
+ |
} |
1194 |
+ |
|
1195 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
1196 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
1197 |
+ |
r.assertNotInvoked(); |
1198 |
+ |
}} |
1199 |
+ |
|
1200 |
+ |
/** |
1201 |
+ |
* thenApply result completes exceptionally if source cancelled |
1202 |
+ |
*/ |
1203 |
+ |
public void testThenApply_sourceCancelled() { |
1204 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1205 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1206 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1207 |
+ |
{ |
1208 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1209 |
+ |
final IncFunction r = new IncFunction(m); |
1210 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1211 |
+ |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1212 |
+ |
if (createIncomplete) { |
1213 |
+ |
checkIncomplete(g); |
1214 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1215 |
+ |
} |
1216 |
+ |
|
1217 |
+ |
checkCompletedWithWrappedCancellationException(g); |
1218 |
+ |
checkCancelled(f); |
1219 |
+ |
r.assertNotInvoked(); |
1220 |
+ |
}} |
1221 |
+ |
|
1222 |
+ |
/** |
1223 |
+ |
* thenApply result completes exceptionally if action does |
1224 |
+ |
*/ |
1225 |
+ |
public void testThenApply_actionFailed() { |
1226 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1227 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1228 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1229 |
+ |
{ |
1230 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1231 |
+ |
final FailingFunction r = new FailingFunction(m); |
1232 |
+ |
if (!createIncomplete) f.complete(v1); |
1233 |
+ |
final CompletableFuture<Integer> g = m.thenApply(f, r); |
1234 |
+ |
if (createIncomplete) { |
1235 |
+ |
checkIncomplete(g); |
1236 |
+ |
f.complete(v1); |
1237 |
+ |
} |
1238 |
+ |
|
1239 |
+ |
checkCompletedWithWrappedCFException(g); |
1240 |
+ |
checkCompletedNormally(f, v1); |
1241 |
+ |
}} |
1242 |
+ |
|
1243 |
+ |
/** |
1244 |
+ |
* thenAccept result completes normally after normal completion of source |
1245 |
+ |
*/ |
1246 |
+ |
public void testThenAccept_normalCompletion() { |
1247 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1248 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1249 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1250 |
+ |
{ |
1251 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1252 |
+ |
final IncAction r = new IncAction(m); |
1253 |
+ |
if (!createIncomplete) f.complete(v1); |
1254 |
+ |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1255 |
+ |
if (createIncomplete) { |
1256 |
+ |
checkIncomplete(g); |
1257 |
+ |
f.complete(v1); |
1258 |
+ |
} |
1259 |
+ |
|
1260 |
+ |
checkCompletedNormally(g, null); |
1261 |
+ |
checkCompletedNormally(f, v1); |
1262 |
+ |
r.assertInvoked(); |
1263 |
+ |
r.assertValue(inc(v1)); |
1264 |
+ |
}} |
1265 |
+ |
|
1266 |
+ |
/** |
1267 |
+ |
* thenAccept result completes exceptionally after exceptional |
1268 |
+ |
* completion of source |
1269 |
+ |
*/ |
1270 |
+ |
public void testThenAccept_exceptionalCompletion() { |
1271 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1272 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1273 |
+ |
{ |
1274 |
+ |
final CFException ex = new CFException(); |
1275 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1276 |
+ |
final IncAction r = new IncAction(m); |
1277 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
1278 |
+ |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1279 |
+ |
if (createIncomplete) { |
1280 |
+ |
checkIncomplete(g); |
1281 |
+ |
f.completeExceptionally(ex); |
1282 |
+ |
} |
1283 |
+ |
|
1284 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
1285 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
1286 |
+ |
r.assertNotInvoked(); |
1287 |
+ |
}} |
1288 |
+ |
|
1289 |
+ |
/** |
1290 |
+ |
* thenAccept result completes exceptionally if source cancelled |
1291 |
+ |
*/ |
1292 |
+ |
public void testThenAccept_sourceCancelled() { |
1293 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1294 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1295 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1296 |
+ |
{ |
1297 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1298 |
+ |
final IncAction r = new IncAction(m); |
1299 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1300 |
+ |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1301 |
+ |
if (createIncomplete) { |
1302 |
+ |
checkIncomplete(g); |
1303 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1304 |
+ |
} |
1305 |
+ |
|
1306 |
+ |
checkCompletedWithWrappedCancellationException(g); |
1307 |
+ |
checkCancelled(f); |
1308 |
+ |
r.assertNotInvoked(); |
1309 |
+ |
}} |
1310 |
+ |
|
1311 |
+ |
/** |
1312 |
+ |
* thenAccept result completes exceptionally if action does |
1313 |
+ |
*/ |
1314 |
+ |
public void testThenAccept_actionFailed() { |
1315 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1316 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1317 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1318 |
+ |
{ |
1319 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1320 |
+ |
final FailingConsumer r = new FailingConsumer(m); |
1321 |
+ |
if (!createIncomplete) f.complete(v1); |
1322 |
+ |
final CompletableFuture<Void> g = m.thenAccept(f, r); |
1323 |
+ |
if (createIncomplete) { |
1324 |
+ |
checkIncomplete(g); |
1325 |
+ |
f.complete(v1); |
1326 |
+ |
} |
1327 |
+ |
|
1328 |
+ |
checkCompletedWithWrappedCFException(g); |
1329 |
+ |
checkCompletedNormally(f, v1); |
1330 |
+ |
}} |
1331 |
+ |
|
1332 |
+ |
/** |
1333 |
+ |
* thenCombine result completes normally after normal completion |
1334 |
+ |
* of sources |
1335 |
+ |
*/ |
1336 |
+ |
public void testThenCombine_normalCompletion() { |
1337 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1338 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1339 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1340 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1341 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1342 |
+ |
{ |
1343 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1344 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1345 |
+ |
final SubtractFunction r = new SubtractFunction(m); |
1346 |
+ |
|
1347 |
+ |
if (fFirst) f.complete(v1); else g.complete(v2); |
1348 |
+ |
if (!createIncomplete) |
1349 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1350 |
+ |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1351 |
+ |
if (createIncomplete) { |
1352 |
+ |
checkIncomplete(h); |
1353 |
+ |
r.assertNotInvoked(); |
1354 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1355 |
+ |
} |
1356 |
+ |
|
1357 |
+ |
checkCompletedNormally(h, subtract(v1, v2)); |
1358 |
+ |
checkCompletedNormally(f, v1); |
1359 |
+ |
checkCompletedNormally(g, v2); |
1360 |
+ |
r.assertInvoked(); |
1361 |
+ |
}} |
1362 |
+ |
|
1363 |
+ |
/** |
1364 |
+ |
* thenCombine result completes exceptionally after exceptional |
1365 |
+ |
* completion of either source |
1366 |
+ |
*/ |
1367 |
+ |
public void testThenCombine_exceptionalCompletion() { |
1368 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1369 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1370 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1371 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1372 |
+ |
{ |
1373 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1374 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1375 |
+ |
final CFException ex = new CFException(); |
1376 |
+ |
final SubtractFunction r = new SubtractFunction(m); |
1377 |
+ |
|
1378 |
+ |
(fFirst ? f : g).complete(v1); |
1379 |
+ |
if (!createIncomplete) |
1380 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1381 |
+ |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1382 |
+ |
if (createIncomplete) { |
1383 |
+ |
checkIncomplete(h); |
1384 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1385 |
+ |
} |
1386 |
+ |
|
1387 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
1388 |
+ |
r.assertNotInvoked(); |
1389 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1390 |
+ |
checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); |
1391 |
+ |
}} |
1392 |
+ |
|
1393 |
+ |
/** |
1394 |
+ |
* thenCombine result completes exceptionally if either source cancelled |
1395 |
+ |
*/ |
1396 |
+ |
public void testThenCombine_sourceCancelled() { |
1397 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1398 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1399 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1400 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1401 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1402 |
+ |
{ |
1403 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1404 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1405 |
+ |
final SubtractFunction r = new SubtractFunction(m); |
1406 |
+ |
|
1407 |
+ |
(fFirst ? f : g).complete(v1); |
1408 |
+ |
if (!createIncomplete) |
1409 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1410 |
+ |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1411 |
+ |
if (createIncomplete) { |
1412 |
+ |
checkIncomplete(h); |
1413 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1414 |
+ |
} |
1415 |
+ |
|
1416 |
+ |
checkCompletedWithWrappedCancellationException(h); |
1417 |
+ |
checkCancelled(!fFirst ? f : g); |
1418 |
+ |
r.assertNotInvoked(); |
1419 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1420 |
+ |
}} |
1421 |
+ |
|
1422 |
+ |
/** |
1423 |
+ |
* thenCombine result completes exceptionally if action does |
1424 |
+ |
*/ |
1425 |
+ |
public void testThenCombine_actionFailed() { |
1426 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1427 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1428 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1429 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1430 |
+ |
{ |
1431 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1432 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1433 |
+ |
final FailingBiFunction r = new FailingBiFunction(m); |
1434 |
+ |
final CompletableFuture<Integer> h = m.thenCombine(f, g, r); |
1435 |
+ |
|
1436 |
+ |
if (fFirst) { |
1437 |
+ |
f.complete(v1); |
1438 |
+ |
g.complete(v2); |
1439 |
+ |
} else { |
1440 |
+ |
g.complete(v2); |
1441 |
+ |
f.complete(v1); |
1442 |
+ |
} |
1443 |
+ |
|
1444 |
+ |
checkCompletedWithWrappedCFException(h); |
1445 |
+ |
checkCompletedNormally(f, v1); |
1446 |
+ |
checkCompletedNormally(g, v2); |
1447 |
+ |
}} |
1448 |
+ |
|
1449 |
+ |
/** |
1450 |
+ |
* thenAcceptBoth result completes normally after normal |
1451 |
+ |
* completion of sources |
1452 |
+ |
*/ |
1453 |
+ |
public void testThenAcceptBoth_normalCompletion() { |
1454 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1455 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1456 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1457 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1458 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1459 |
+ |
{ |
1460 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1461 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1462 |
+ |
final SubtractAction r = new SubtractAction(m); |
1463 |
+ |
|
1464 |
+ |
if (fFirst) f.complete(v1); else g.complete(v2); |
1465 |
+ |
if (!createIncomplete) |
1466 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1467 |
+ |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1468 |
+ |
if (createIncomplete) { |
1469 |
+ |
checkIncomplete(h); |
1470 |
+ |
r.assertNotInvoked(); |
1471 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1472 |
+ |
} |
1473 |
+ |
|
1474 |
+ |
checkCompletedNormally(h, null); |
1475 |
+ |
r.assertValue(subtract(v1, v2)); |
1476 |
+ |
checkCompletedNormally(f, v1); |
1477 |
+ |
checkCompletedNormally(g, v2); |
1478 |
+ |
}} |
1479 |
+ |
|
1480 |
+ |
/** |
1481 |
+ |
* thenAcceptBoth result completes exceptionally after exceptional |
1482 |
+ |
* completion of either source |
1483 |
+ |
*/ |
1484 |
+ |
public void testThenAcceptBoth_exceptionalCompletion() { |
1485 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1486 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1487 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1488 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1489 |
+ |
{ |
1490 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1491 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1492 |
+ |
final CFException ex = new CFException(); |
1493 |
+ |
final SubtractAction r = new SubtractAction(m); |
1494 |
+ |
|
1495 |
+ |
(fFirst ? f : g).complete(v1); |
1496 |
+ |
if (!createIncomplete) |
1497 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1498 |
+ |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1499 |
+ |
if (createIncomplete) { |
1500 |
+ |
checkIncomplete(h); |
1501 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1502 |
+ |
} |
1503 |
+ |
|
1504 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
1505 |
+ |
r.assertNotInvoked(); |
1506 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1507 |
+ |
checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); |
1508 |
+ |
}} |
1509 |
+ |
|
1510 |
+ |
/** |
1511 |
+ |
* thenAcceptBoth result completes exceptionally if either source cancelled |
1512 |
+ |
*/ |
1513 |
+ |
public void testThenAcceptBoth_sourceCancelled() { |
1514 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1515 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1516 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1517 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1518 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1519 |
+ |
{ |
1520 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1521 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1522 |
+ |
final SubtractAction r = new SubtractAction(m); |
1523 |
+ |
|
1524 |
+ |
(fFirst ? f : g).complete(v1); |
1525 |
+ |
if (!createIncomplete) |
1526 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1527 |
+ |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1528 |
+ |
if (createIncomplete) { |
1529 |
+ |
checkIncomplete(h); |
1530 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1531 |
+ |
} |
1532 |
+ |
|
1533 |
+ |
checkCompletedWithWrappedCancellationException(h); |
1534 |
+ |
checkCancelled(!fFirst ? f : g); |
1535 |
+ |
r.assertNotInvoked(); |
1536 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1537 |
+ |
}} |
1538 |
+ |
|
1539 |
+ |
/** |
1540 |
+ |
* thenAcceptBoth result completes exceptionally if action does |
1541 |
+ |
*/ |
1542 |
+ |
public void testThenAcceptBoth_actionFailed() { |
1543 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1544 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1545 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1546 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1547 |
+ |
{ |
1548 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1549 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1550 |
+ |
final FailingBiConsumer r = new FailingBiConsumer(m); |
1551 |
+ |
final CompletableFuture<Void> h = m.thenAcceptBoth(f, g, r); |
1552 |
+ |
|
1553 |
+ |
if (fFirst) { |
1554 |
+ |
f.complete(v1); |
1555 |
+ |
g.complete(v2); |
1556 |
+ |
} else { |
1557 |
+ |
g.complete(v2); |
1558 |
+ |
f.complete(v1); |
1559 |
+ |
} |
1560 |
+ |
|
1561 |
+ |
checkCompletedWithWrappedCFException(h); |
1562 |
+ |
checkCompletedNormally(f, v1); |
1563 |
+ |
checkCompletedNormally(g, v2); |
1564 |
+ |
}} |
1565 |
+ |
|
1566 |
+ |
/** |
1567 |
+ |
* runAfterBoth result completes normally after normal |
1568 |
+ |
* completion of sources |
1569 |
+ |
*/ |
1570 |
+ |
public void testRunAfterBoth_normalCompletion() { |
1571 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1572 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1573 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1574 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1575 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1576 |
+ |
{ |
1577 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1578 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1579 |
+ |
final Noop r = new Noop(m); |
1580 |
+ |
|
1581 |
+ |
if (fFirst) f.complete(v1); else g.complete(v2); |
1582 |
+ |
if (!createIncomplete) |
1583 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1584 |
+ |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1585 |
+ |
if (createIncomplete) { |
1586 |
+ |
checkIncomplete(h); |
1587 |
+ |
r.assertNotInvoked(); |
1588 |
+ |
if (!fFirst) f.complete(v1); else g.complete(v2); |
1589 |
+ |
} |
1590 |
+ |
|
1591 |
+ |
checkCompletedNormally(h, null); |
1592 |
+ |
r.assertInvoked(); |
1593 |
+ |
checkCompletedNormally(f, v1); |
1594 |
+ |
checkCompletedNormally(g, v2); |
1595 |
+ |
}} |
1596 |
+ |
|
1597 |
+ |
/** |
1598 |
+ |
* runAfterBoth result completes exceptionally after exceptional |
1599 |
+ |
* completion of either source |
1600 |
+ |
*/ |
1601 |
+ |
public void testRunAfterBoth_exceptionalCompletion() { |
1602 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1603 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1604 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1605 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1606 |
+ |
{ |
1607 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1608 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1609 |
+ |
final CFException ex = new CFException(); |
1610 |
+ |
final Noop r = new Noop(m); |
1611 |
+ |
|
1612 |
+ |
(fFirst ? f : g).complete(v1); |
1613 |
+ |
if (!createIncomplete) |
1614 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1615 |
+ |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1616 |
+ |
if (createIncomplete) { |
1617 |
+ |
checkIncomplete(h); |
1618 |
+ |
(!fFirst ? f : g).completeExceptionally(ex); |
1619 |
+ |
} |
1620 |
+ |
|
1621 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
1622 |
+ |
r.assertNotInvoked(); |
1623 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1624 |
+ |
checkCompletedWithWrappedCFException(!fFirst ? f : g, ex); |
1625 |
+ |
}} |
1626 |
+ |
|
1627 |
+ |
/** |
1628 |
+ |
* runAfterBoth result completes exceptionally if either source cancelled |
1629 |
+ |
*/ |
1630 |
+ |
public void testRunAfterBoth_sourceCancelled() { |
1631 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1632 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1633 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1634 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1635 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1636 |
+ |
{ |
1637 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1638 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1639 |
+ |
final Noop r = new Noop(m); |
1640 |
+ |
|
1641 |
+ |
|
1642 |
+ |
(fFirst ? f : g).complete(v1); |
1643 |
+ |
if (!createIncomplete) |
1644 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1645 |
+ |
final CompletableFuture<Void> h = m.runAfterBoth(f, g, r); |
1646 |
+ |
if (createIncomplete) { |
1647 |
+ |
checkIncomplete(h); |
1648 |
+ |
assertTrue((!fFirst ? f : g).cancel(mayInterruptIfRunning)); |
1649 |
+ |
} |
1650 |
+ |
|
1651 |
+ |
checkCompletedWithWrappedCancellationException(h); |
1652 |
+ |
checkCancelled(!fFirst ? f : g); |
1653 |
+ |
r.assertNotInvoked(); |
1654 |
+ |
checkCompletedNormally(fFirst ? f : g, v1); |
1655 |
+ |
}} |
1656 |
+ |
|
1657 |
+ |
/** |
1658 |
+ |
* runAfterBoth result completes exceptionally if action does |
1659 |
+ |
*/ |
1660 |
+ |
public void testRunAfterBoth_actionFailed() { |
1661 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1662 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1663 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1664 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1665 |
+ |
{ |
1666 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1667 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1668 |
+ |
final FailingRunnable r1 = new FailingRunnable(m); |
1669 |
+ |
final FailingRunnable r2 = new FailingRunnable(m); |
1670 |
+ |
|
1671 |
+ |
CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
1672 |
+ |
if (fFirst) { |
1673 |
+ |
f.complete(v1); |
1674 |
+ |
g.complete(v2); |
1675 |
+ |
} else { |
1676 |
+ |
g.complete(v2); |
1677 |
+ |
f.complete(v1); |
1678 |
+ |
} |
1679 |
+ |
CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
1680 |
+ |
|
1681 |
+ |
checkCompletedWithWrappedCFException(h1); |
1682 |
+ |
checkCompletedWithWrappedCFException(h2); |
1683 |
+ |
checkCompletedNormally(f, v1); |
1684 |
+ |
checkCompletedNormally(g, v2); |
1685 |
+ |
}} |
1686 |
+ |
|
1687 |
+ |
/** |
1688 |
+ |
* applyToEither result completes normally after normal completion |
1689 |
+ |
* of either source |
1690 |
+ |
*/ |
1691 |
+ |
public void testApplyToEither_normalCompletion() { |
1692 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1693 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1694 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1695 |
+ |
{ |
1696 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1697 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1698 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
1699 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1700 |
+ |
|
1701 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1702 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1703 |
+ |
checkIncomplete(h0); |
1704 |
+ |
checkIncomplete(h1); |
1705 |
+ |
rs[0].assertNotInvoked(); |
1706 |
+ |
rs[1].assertNotInvoked(); |
1707 |
+ |
f.complete(v1); |
1708 |
+ |
checkCompletedNormally(h0, inc(v1)); |
1709 |
+ |
checkCompletedNormally(h1, inc(v1)); |
1710 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1711 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1712 |
+ |
checkCompletedNormally(h2, inc(v1)); |
1713 |
+ |
checkCompletedNormally(h3, inc(v1)); |
1714 |
+ |
g.complete(v2); |
1715 |
+ |
|
1716 |
+ |
// unspecified behavior - both source completions available |
1717 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1718 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1719 |
+ |
rs[4].assertValue(h4.join()); |
1720 |
+ |
rs[5].assertValue(h5.join()); |
1721 |
+ |
assertTrue(Objects.equals(inc(v1), h4.join()) || |
1722 |
+ |
Objects.equals(inc(v2), h4.join())); |
1723 |
+ |
assertTrue(Objects.equals(inc(v1), h5.join()) || |
1724 |
+ |
Objects.equals(inc(v2), h5.join())); |
1725 |
+ |
|
1726 |
+ |
checkCompletedNormally(f, v1); |
1727 |
+ |
checkCompletedNormally(g, v2); |
1728 |
+ |
checkCompletedNormally(h0, inc(v1)); |
1729 |
+ |
checkCompletedNormally(h1, inc(v1)); |
1730 |
+ |
checkCompletedNormally(h2, inc(v1)); |
1731 |
+ |
checkCompletedNormally(h3, inc(v1)); |
1732 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); |
1733 |
+ |
}} |
1734 |
+ |
|
1735 |
+ |
/** |
1736 |
+ |
* applyToEither result completes exceptionally after exceptional |
1737 |
+ |
* completion of either source |
1738 |
+ |
*/ |
1739 |
+ |
public void testApplyToEither_exceptionalCompletion() { |
1740 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1741 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1742 |
+ |
{ |
1743 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1744 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1745 |
+ |
final CFException ex = new CFException(); |
1746 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
1747 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1748 |
+ |
|
1749 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1750 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1751 |
+ |
checkIncomplete(h0); |
1752 |
+ |
checkIncomplete(h1); |
1753 |
+ |
rs[0].assertNotInvoked(); |
1754 |
+ |
rs[1].assertNotInvoked(); |
1755 |
+ |
f.completeExceptionally(ex); |
1756 |
+ |
checkCompletedWithWrappedCFException(h0, ex); |
1757 |
+ |
checkCompletedWithWrappedCFException(h1, ex); |
1758 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1759 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1760 |
+ |
checkCompletedWithWrappedCFException(h2, ex); |
1761 |
+ |
checkCompletedWithWrappedCFException(h3, ex); |
1762 |
+ |
g.complete(v1); |
1763 |
+ |
|
1764 |
+ |
// unspecified behavior - both source completions available |
1765 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1766 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1767 |
+ |
try { |
1768 |
+ |
assertEquals(inc(v1), h4.join()); |
1769 |
+ |
rs[4].assertInvoked(); |
1770 |
+ |
} catch (CompletionException ok) { |
1771 |
+ |
checkCompletedWithWrappedCFException(h4, ex); |
1772 |
+ |
rs[4].assertNotInvoked(); |
1773 |
+ |
} |
1774 |
+ |
try { |
1775 |
+ |
assertEquals(inc(v1), h5.join()); |
1776 |
+ |
rs[5].assertInvoked(); |
1777 |
+ |
} catch (CompletionException ok) { |
1778 |
+ |
checkCompletedWithWrappedCFException(h5, ex); |
1779 |
+ |
rs[5].assertNotInvoked(); |
1780 |
+ |
} |
1781 |
+ |
|
1782 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
1783 |
+ |
checkCompletedNormally(g, v1); |
1784 |
+ |
checkCompletedWithWrappedCFException(h0, ex); |
1785 |
+ |
checkCompletedWithWrappedCFException(h1, ex); |
1786 |
+ |
checkCompletedWithWrappedCFException(h2, ex); |
1787 |
+ |
checkCompletedWithWrappedCFException(h3, ex); |
1788 |
+ |
checkCompletedWithWrappedCFException(h4, ex); |
1789 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
1790 |
+ |
}} |
1791 |
+ |
|
1792 |
+ |
/** |
1793 |
+ |
* applyToEither result completes exceptionally if either source cancelled |
1794 |
+ |
*/ |
1795 |
+ |
public void testApplyToEither_sourceCancelled() { |
1796 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1797 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1798 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1799 |
+ |
{ |
1800 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1801 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1802 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
1803 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1804 |
+ |
|
1805 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1806 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1807 |
+ |
checkIncomplete(h0); |
1808 |
+ |
checkIncomplete(h1); |
1809 |
+ |
rs[0].assertNotInvoked(); |
1810 |
+ |
rs[1].assertNotInvoked(); |
1811 |
+ |
f.cancel(mayInterruptIfRunning); |
1812 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
1813 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1814 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1815 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1816 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1817 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1818 |
+ |
g.complete(v1); |
1819 |
+ |
|
1820 |
+ |
// unspecified behavior - both source completions available |
1821 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1822 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1823 |
+ |
try { |
1824 |
+ |
assertEquals(inc(v1), h4.join()); |
1825 |
+ |
rs[4].assertInvoked(); |
1826 |
+ |
} catch (CompletionException ok) { |
1827 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
1828 |
+ |
rs[4].assertNotInvoked(); |
1829 |
+ |
} |
1830 |
+ |
try { |
1831 |
+ |
assertEquals(inc(v1), h5.join()); |
1832 |
+ |
rs[5].assertInvoked(); |
1833 |
+ |
} catch (CompletionException ok) { |
1834 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
1835 |
+ |
rs[5].assertNotInvoked(); |
1836 |
+ |
} |
1837 |
+ |
|
1838 |
+ |
checkCancelled(f); |
1839 |
+ |
checkCompletedNormally(g, v1); |
1840 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
1841 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1842 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1843 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1844 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
1845 |
+ |
}} |
1846 |
+ |
|
1847 |
+ |
/** |
1848 |
+ |
* applyToEither result completes exceptionally if action does |
1849 |
+ |
*/ |
1850 |
+ |
public void testApplyToEither_actionFailed() { |
1851 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1852 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1853 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1854 |
+ |
{ |
1855 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1856 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1857 |
+ |
final FailingFunction[] rs = new FailingFunction[6]; |
1858 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
1859 |
+ |
|
1860 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
1861 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
1862 |
+ |
f.complete(v1); |
1863 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
1864 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
1865 |
+ |
checkCompletedWithWrappedCFException(h0); |
1866 |
+ |
checkCompletedWithWrappedCFException(h1); |
1867 |
+ |
checkCompletedWithWrappedCFException(h2); |
1868 |
+ |
checkCompletedWithWrappedCFException(h3); |
1869 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
1870 |
+ |
|
1871 |
+ |
g.complete(v2); |
1872 |
+ |
|
1873 |
+ |
// unspecified behavior - both source completions available |
1874 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
1875 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
1876 |
+ |
|
1877 |
+ |
checkCompletedWithWrappedCFException(h4); |
1878 |
+ |
assertTrue(Objects.equals(v1, rs[4].value) || |
1879 |
+ |
Objects.equals(v2, rs[4].value)); |
1880 |
+ |
checkCompletedWithWrappedCFException(h5); |
1881 |
+ |
assertTrue(Objects.equals(v1, rs[5].value) || |
1882 |
+ |
Objects.equals(v2, rs[5].value)); |
1883 |
+ |
|
1884 |
+ |
checkCompletedNormally(f, v1); |
1885 |
+ |
checkCompletedNormally(g, v2); |
1886 |
+ |
}} |
1887 |
+ |
|
1888 |
+ |
/** |
1889 |
+ |
* acceptEither result completes normally after normal completion |
1890 |
+ |
* of either source |
1891 |
+ |
*/ |
1892 |
+ |
public void testAcceptEither_normalCompletion() { |
1893 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1894 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1895 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1896 |
+ |
{ |
1897 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1898 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1899 |
+ |
final IncAction[] rs = new IncAction[6]; |
1900 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); |
1901 |
+ |
|
1902 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
1903 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
1904 |
+ |
checkIncomplete(h0); |
1905 |
+ |
checkIncomplete(h1); |
1906 |
+ |
rs[0].assertNotInvoked(); |
1907 |
+ |
rs[1].assertNotInvoked(); |
1908 |
+ |
f.complete(v1); |
1909 |
+ |
checkCompletedNormally(h0, null); |
1910 |
+ |
checkCompletedNormally(h1, null); |
1911 |
+ |
rs[0].assertValue(inc(v1)); |
1912 |
+ |
rs[1].assertValue(inc(v1)); |
1913 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
1914 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
1915 |
+ |
checkCompletedNormally(h2, null); |
1916 |
+ |
checkCompletedNormally(h3, null); |
1917 |
+ |
rs[2].assertValue(inc(v1)); |
1918 |
+ |
rs[3].assertValue(inc(v1)); |
1919 |
+ |
g.complete(v2); |
1920 |
+ |
|
1921 |
+ |
// unspecified behavior - both source completions available |
1922 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
1923 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
1924 |
+ |
checkCompletedNormally(h4, null); |
1925 |
+ |
checkCompletedNormally(h5, null); |
1926 |
+ |
assertTrue(Objects.equals(inc(v1), rs[4].value) || |
1927 |
+ |
Objects.equals(inc(v2), rs[4].value)); |
1928 |
+ |
assertTrue(Objects.equals(inc(v1), rs[5].value) || |
1929 |
+ |
Objects.equals(inc(v2), rs[5].value)); |
1930 |
+ |
|
1931 |
+ |
checkCompletedNormally(f, v1); |
1932 |
+ |
checkCompletedNormally(g, v2); |
1933 |
+ |
checkCompletedNormally(h0, null); |
1934 |
+ |
checkCompletedNormally(h1, null); |
1935 |
+ |
checkCompletedNormally(h2, null); |
1936 |
+ |
checkCompletedNormally(h3, null); |
1937 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); |
1938 |
+ |
}} |
1939 |
+ |
|
1940 |
+ |
/** |
1941 |
+ |
* acceptEither result completes exceptionally after exceptional |
1942 |
+ |
* completion of either source |
1943 |
+ |
*/ |
1944 |
+ |
public void testAcceptEither_exceptionalCompletion() { |
1945 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1946 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1947 |
+ |
{ |
1948 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1949 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1950 |
+ |
final CFException ex = new CFException(); |
1951 |
+ |
final IncAction[] rs = new IncAction[6]; |
1952 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); |
1953 |
+ |
|
1954 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
1955 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
1956 |
+ |
checkIncomplete(h0); |
1957 |
+ |
checkIncomplete(h1); |
1958 |
+ |
rs[0].assertNotInvoked(); |
1959 |
+ |
rs[1].assertNotInvoked(); |
1960 |
+ |
f.completeExceptionally(ex); |
1961 |
+ |
checkCompletedWithWrappedCFException(h0, ex); |
1962 |
+ |
checkCompletedWithWrappedCFException(h1, ex); |
1963 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
1964 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
1965 |
+ |
checkCompletedWithWrappedCFException(h2, ex); |
1966 |
+ |
checkCompletedWithWrappedCFException(h3, ex); |
1967 |
+ |
|
1968 |
+ |
g.complete(v1); |
1969 |
+ |
|
1970 |
+ |
// unspecified behavior - both source completions available |
1971 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
1972 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
1973 |
+ |
try { |
1974 |
+ |
assertNull(h4.join()); |
1975 |
+ |
rs[4].assertValue(inc(v1)); |
1976 |
+ |
} catch (CompletionException ok) { |
1977 |
+ |
checkCompletedWithWrappedCFException(h4, ex); |
1978 |
+ |
rs[4].assertNotInvoked(); |
1979 |
+ |
} |
1980 |
+ |
try { |
1981 |
+ |
assertNull(h5.join()); |
1982 |
+ |
rs[5].assertValue(inc(v1)); |
1983 |
+ |
} catch (CompletionException ok) { |
1984 |
+ |
checkCompletedWithWrappedCFException(h5, ex); |
1985 |
+ |
rs[5].assertNotInvoked(); |
1986 |
+ |
} |
1987 |
+ |
|
1988 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
1989 |
+ |
checkCompletedNormally(g, v1); |
1990 |
+ |
checkCompletedWithWrappedCFException(h0, ex); |
1991 |
+ |
checkCompletedWithWrappedCFException(h1, ex); |
1992 |
+ |
checkCompletedWithWrappedCFException(h2, ex); |
1993 |
+ |
checkCompletedWithWrappedCFException(h3, ex); |
1994 |
+ |
checkCompletedWithWrappedCFException(h4, ex); |
1995 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
1996 |
+ |
}} |
1997 |
+ |
|
1998 |
+ |
/** |
1999 |
+ |
* acceptEither result completes exceptionally if either source cancelled |
2000 |
+ |
*/ |
2001 |
+ |
public void testAcceptEither_sourceCancelled() { |
2002 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2003 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2004 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2005 |
+ |
{ |
2006 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2007 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2008 |
+ |
final IncAction[] rs = new IncAction[6]; |
2009 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncAction(m); |
2010 |
+ |
|
2011 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2012 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2013 |
+ |
checkIncomplete(h0); |
2014 |
+ |
checkIncomplete(h1); |
2015 |
+ |
rs[0].assertNotInvoked(); |
2016 |
+ |
rs[1].assertNotInvoked(); |
2017 |
+ |
f.cancel(mayInterruptIfRunning); |
2018 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2019 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2020 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2021 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2022 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2023 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2024 |
+ |
|
2025 |
+ |
g.complete(v1); |
2026 |
+ |
|
2027 |
+ |
// unspecified behavior - both source completions available |
2028 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2029 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2030 |
+ |
try { |
2031 |
+ |
assertNull(h4.join()); |
2032 |
+ |
rs[4].assertValue(inc(v1)); |
2033 |
+ |
} catch (CompletionException ok) { |
2034 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
2035 |
+ |
rs[4].assertNotInvoked(); |
2036 |
+ |
} |
2037 |
+ |
try { |
2038 |
+ |
assertNull(h5.join()); |
2039 |
+ |
rs[5].assertValue(inc(v1)); |
2040 |
+ |
} catch (CompletionException ok) { |
2041 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
2042 |
+ |
rs[5].assertNotInvoked(); |
2043 |
+ |
} |
2044 |
+ |
|
2045 |
+ |
checkCancelled(f); |
2046 |
+ |
checkCompletedNormally(g, v1); |
2047 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2048 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2049 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2050 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2051 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2052 |
+ |
}} |
2053 |
+ |
|
2054 |
+ |
/** |
2055 |
+ |
* acceptEither result completes exceptionally if action does |
2056 |
+ |
*/ |
2057 |
+ |
public void testAcceptEither_actionFailed() { |
2058 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2059 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2060 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2061 |
+ |
{ |
2062 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2063 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2064 |
+ |
final FailingConsumer[] rs = new FailingConsumer[6]; |
2065 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
2066 |
+ |
|
2067 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2068 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2069 |
+ |
f.complete(v1); |
2070 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2071 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2072 |
+ |
checkCompletedWithWrappedCFException(h0); |
2073 |
+ |
checkCompletedWithWrappedCFException(h1); |
2074 |
+ |
checkCompletedWithWrappedCFException(h2); |
2075 |
+ |
checkCompletedWithWrappedCFException(h3); |
2076 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2077 |
+ |
|
2078 |
+ |
g.complete(v2); |
2079 |
+ |
|
2080 |
+ |
// unspecified behavior - both source completions available |
2081 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2082 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2083 |
+ |
|
2084 |
+ |
checkCompletedWithWrappedCFException(h4); |
2085 |
+ |
assertTrue(Objects.equals(v1, rs[4].value) || |
2086 |
+ |
Objects.equals(v2, rs[4].value)); |
2087 |
+ |
checkCompletedWithWrappedCFException(h5); |
2088 |
+ |
assertTrue(Objects.equals(v1, rs[5].value) || |
2089 |
+ |
Objects.equals(v2, rs[5].value)); |
2090 |
+ |
|
2091 |
+ |
checkCompletedNormally(f, v1); |
2092 |
+ |
checkCompletedNormally(g, v2); |
2093 |
+ |
}} |
2094 |
+ |
|
2095 |
+ |
/** |
2096 |
+ |
* runAfterEither result completes normally after normal completion |
2097 |
+ |
* of either source |
2098 |
+ |
*/ |
2099 |
+ |
public void testRunAfterEither_normalCompletion1() { |
2100 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2101 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2102 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2103 |
+ |
{ |
2104 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2105 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2106 |
+ |
final Noop r = new Noop(m); |
2107 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2108 |
+ |
|
2109 |
+ |
f.complete(v1); |
2110 |
+ |
checkCompletedNormally(h, null); |
2111 |
+ |
r.assertInvoked(); |
2112 |
+ |
g.complete(v2); |
2113 |
+ |
|
2114 |
+ |
checkCompletedNormally(f, v1); |
2115 |
+ |
checkCompletedNormally(g, v2); |
2116 |
+ |
checkCompletedNormally(h, null); |
2117 |
+ |
r.assertInvoked(); |
2118 |
+ |
}} |
2119 |
+ |
|
2120 |
+ |
public void testRunAfterEither_normalCompletion2() { |
2121 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2122 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2123 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2124 |
+ |
{ |
2125 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2126 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2127 |
+ |
final Noop r = new Noop(m); |
2128 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2129 |
+ |
|
2130 |
+ |
g.complete(v2); |
2131 |
+ |
checkCompletedNormally(h, null); |
2132 |
+ |
r.assertInvoked(); |
2133 |
+ |
f.complete(v1); |
2134 |
+ |
|
2135 |
+ |
checkCompletedNormally(f, v1); |
2136 |
+ |
checkCompletedNormally(g, v2); |
2137 |
+ |
checkCompletedNormally(h, null); |
2138 |
+ |
r.assertInvoked(); |
2139 |
+ |
}} |
2140 |
+ |
|
2141 |
+ |
public void testRunAfterEither_normalCompletion3() { |
2142 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2143 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2144 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2145 |
+ |
{ |
2146 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2147 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2148 |
+ |
final Noop r = new Noop(m); |
2149 |
+ |
|
2150 |
+ |
f.complete(v1); |
2151 |
+ |
g.complete(v2); |
2152 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2153 |
+ |
|
2154 |
+ |
checkCompletedNormally(h, null); |
2155 |
+ |
checkCompletedNormally(f, v1); |
2156 |
+ |
checkCompletedNormally(g, v2); |
2157 |
+ |
r.assertInvoked(); |
2158 |
+ |
}} |
2159 |
+ |
|
2160 |
+ |
/** |
2161 |
+ |
* runAfterEither result completes exceptionally after exceptional |
2162 |
+ |
* completion of either source |
2163 |
+ |
*/ |
2164 |
+ |
public void testRunAfterEither_exceptionalCompletion1() { |
2165 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2166 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2167 |
+ |
{ |
2168 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2169 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2170 |
+ |
final Noop r = new Noop(m); |
2171 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2172 |
+ |
final CFException ex = new CFException(); |
2173 |
+ |
|
2174 |
+ |
f.completeExceptionally(ex); |
2175 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2176 |
+ |
g.complete(v1); |
2177 |
+ |
|
2178 |
+ |
r.assertNotInvoked(); |
2179 |
+ |
checkCompletedNormally(g, v1); |
2180 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
2181 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2182 |
+ |
}} |
2183 |
+ |
|
2184 |
+ |
public void testRunAfterEither_exceptionalCompletion2() { |
2185 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2186 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2187 |
+ |
{ |
2188 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2189 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2190 |
+ |
final Noop r = new Noop(m); |
2191 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2192 |
+ |
final CFException ex = new CFException(); |
2193 |
+ |
|
2194 |
+ |
g.completeExceptionally(ex); |
2195 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2196 |
+ |
f.complete(v1); |
2197 |
+ |
|
2198 |
+ |
r.assertNotInvoked(); |
2199 |
+ |
checkCompletedNormally(f, v1); |
2200 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
2201 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2202 |
+ |
}} |
2203 |
+ |
|
2204 |
+ |
public void testRunAfterEither_exceptionalCompletion3() { |
2205 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2206 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2207 |
+ |
{ |
2208 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2209 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2210 |
+ |
final Noop r = new Noop(m); |
2211 |
+ |
final CFException ex = new CFException(); |
2212 |
+ |
|
2213 |
+ |
g.completeExceptionally(ex); |
2214 |
+ |
f.complete(v1); |
2215 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2216 |
+ |
|
2217 |
+ |
// unspecified behavior |
2218 |
+ |
Integer v; |
2219 |
+ |
try { |
2220 |
+ |
assertNull(h.join()); |
2221 |
+ |
r.assertInvoked(); |
2222 |
+ |
} catch (CompletionException ok) { |
2223 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2224 |
+ |
r.assertNotInvoked(); |
2225 |
+ |
} |
2226 |
+ |
|
2227 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
2228 |
+ |
checkCompletedNormally(f, v1); |
2229 |
+ |
}} |
2230 |
+ |
|
2231 |
+ |
public void testRunAfterEither_exceptionalCompletion4() { |
2232 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2233 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2234 |
+ |
{ |
2235 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2236 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2237 |
+ |
final Noop r = new Noop(m); |
2238 |
+ |
final CFException ex = new CFException(); |
2239 |
+ |
|
2240 |
+ |
f.completeExceptionally(ex); |
2241 |
+ |
g.complete(v1); |
2242 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2243 |
+ |
|
2244 |
+ |
// unspecified behavior |
2245 |
+ |
Integer v; |
2246 |
+ |
try { |
2247 |
+ |
assertNull(h.join()); |
2248 |
+ |
r.assertInvoked(); |
2249 |
+ |
} catch (CompletionException ok) { |
2250 |
+ |
checkCompletedWithWrappedCFException(h, ex); |
2251 |
+ |
r.assertNotInvoked(); |
2252 |
+ |
} |
2253 |
+ |
|
2254 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
2255 |
+ |
checkCompletedNormally(g, v1); |
2256 |
+ |
}} |
2257 |
+ |
|
2258 |
+ |
/** |
2259 |
+ |
* runAfterEither result completes exceptionally if action does |
2260 |
+ |
*/ |
2261 |
+ |
public void testRunAfterEither_actionFailed1() { |
2262 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2263 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2264 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2265 |
+ |
{ |
2266 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2267 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2268 |
+ |
final FailingRunnable r = new FailingRunnable(m); |
2269 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2270 |
+ |
|
2271 |
+ |
f.complete(v1); |
2272 |
+ |
checkCompletedWithWrappedCFException(h); |
2273 |
+ |
g.complete(v2); |
2274 |
+ |
checkCompletedNormally(f, v1); |
2275 |
+ |
checkCompletedNormally(g, v2); |
2276 |
+ |
}} |
2277 |
+ |
|
2278 |
+ |
public void testRunAfterEither_actionFailed2() { |
2279 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2280 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2281 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2282 |
+ |
{ |
2283 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2284 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2285 |
+ |
final FailingRunnable r = new FailingRunnable(m); |
2286 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2287 |
+ |
|
2288 |
+ |
g.complete(v2); |
2289 |
+ |
checkCompletedWithWrappedCFException(h); |
2290 |
+ |
f.complete(v1); |
2291 |
+ |
checkCompletedNormally(f, v1); |
2292 |
+ |
checkCompletedNormally(g, v2); |
2293 |
+ |
}} |
2294 |
+ |
|
2295 |
+ |
/** |
2296 |
+ |
* runAfterEither result completes exceptionally if either source cancelled |
2297 |
+ |
*/ |
2298 |
+ |
public void testRunAfterEither_sourceCancelled1() { |
2299 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2300 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2301 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2302 |
+ |
{ |
2303 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2304 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2305 |
+ |
final Noop r = new Noop(m); |
2306 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2307 |
+ |
|
2308 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2309 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2310 |
+ |
g.complete(v1); |
2311 |
+ |
|
2312 |
+ |
checkCancelled(f); |
2313 |
+ |
r.assertNotInvoked(); |
2314 |
+ |
checkCompletedNormally(g, v1); |
2315 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2316 |
+ |
}} |
2317 |
+ |
|
2318 |
+ |
public void testRunAfterEither_sourceCancelled2() { |
2319 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2320 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2321 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2322 |
+ |
{ |
2323 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2324 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2325 |
+ |
final Noop r = new Noop(m); |
2326 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2327 |
+ |
|
2328 |
+ |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2329 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2330 |
+ |
f.complete(v1); |
2331 |
+ |
|
2332 |
+ |
checkCancelled(g); |
2333 |
+ |
r.assertNotInvoked(); |
2334 |
+ |
checkCompletedNormally(f, v1); |
2335 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2336 |
+ |
}} |
2337 |
+ |
|
2338 |
+ |
public void testRunAfterEither_sourceCancelled3() { |
2339 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2340 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2341 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2342 |
+ |
{ |
2343 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2344 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2345 |
+ |
final Noop r = new Noop(m); |
2346 |
+ |
|
2347 |
+ |
assertTrue(g.cancel(mayInterruptIfRunning)); |
2348 |
+ |
f.complete(v1); |
2349 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2350 |
+ |
|
2351 |
+ |
// unspecified behavior |
2352 |
+ |
Integer v; |
2353 |
+ |
try { |
2354 |
+ |
assertNull(h.join()); |
2355 |
+ |
r.assertInvoked(); |
2356 |
+ |
} catch (CompletionException ok) { |
2357 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2358 |
+ |
r.assertNotInvoked(); |
2359 |
+ |
} |
2360 |
+ |
|
2361 |
+ |
checkCancelled(g); |
2362 |
+ |
checkCompletedNormally(f, v1); |
2363 |
+ |
}} |
2364 |
+ |
|
2365 |
+ |
public void testRunAfterEither_sourceCancelled4() { |
2366 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2367 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2368 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2369 |
+ |
{ |
2370 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2371 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2372 |
+ |
final Noop r = new Noop(m); |
2373 |
+ |
|
2374 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2375 |
+ |
g.complete(v1); |
2376 |
+ |
final CompletableFuture<Void> h = m.runAfterEither(f, g, r); |
2377 |
+ |
|
2378 |
+ |
// unspecified behavior |
2379 |
+ |
Integer v; |
2380 |
+ |
try { |
2381 |
+ |
assertNull(h.join()); |
2382 |
+ |
r.assertInvoked(); |
2383 |
+ |
} catch (CompletionException ok) { |
2384 |
+ |
checkCompletedWithWrappedCancellationException(h); |
2385 |
+ |
r.assertNotInvoked(); |
2386 |
+ |
} |
2387 |
+ |
|
2388 |
+ |
checkCancelled(f); |
2389 |
+ |
checkCompletedNormally(g, v1); |
2390 |
+ |
}} |
2391 |
+ |
|
2392 |
+ |
/** |
2393 |
+ |
* thenCompose result completes normally after normal completion of source |
2394 |
+ |
*/ |
2395 |
+ |
public void testThenCompose_normalCompletion() { |
2396 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2397 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2398 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2399 |
+ |
{ |
2400 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2401 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2402 |
+ |
if (!createIncomplete) f.complete(v1); |
2403 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2404 |
+ |
if (createIncomplete) f.complete(v1); |
2405 |
+ |
|
2406 |
+ |
checkCompletedNormally(g, inc(v1)); |
2407 |
+ |
checkCompletedNormally(f, v1); |
2408 |
+ |
r.assertInvoked(); |
2409 |
+ |
}} |
2410 |
+ |
|
2411 |
+ |
/** |
2412 |
+ |
* thenCompose result completes exceptionally after exceptional |
2413 |
+ |
* completion of source |
2414 |
+ |
*/ |
2415 |
+ |
public void testThenCompose_exceptionalCompletion() { |
2416 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2417 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2418 |
+ |
{ |
2419 |
+ |
final CFException ex = new CFException(); |
2420 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2421 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2422 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
2423 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2424 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
2425 |
+ |
|
2426 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
2427 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
2428 |
+ |
r.assertNotInvoked(); |
2429 |
+ |
}} |
2430 |
+ |
|
2431 |
+ |
/** |
2432 |
+ |
* thenCompose result completes exceptionally if action does |
2433 |
+ |
*/ |
2434 |
+ |
public void testThenCompose_actionFailed() { |
2435 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2436 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2437 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2438 |
+ |
{ |
2439 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2440 |
+ |
final FailingCompletableFutureFunction r |
2441 |
+ |
= new FailingCompletableFutureFunction(m); |
2442 |
+ |
if (!createIncomplete) f.complete(v1); |
2443 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2444 |
+ |
if (createIncomplete) f.complete(v1); |
2445 |
+ |
|
2446 |
+ |
checkCompletedWithWrappedCFException(g); |
2447 |
+ |
checkCompletedNormally(f, v1); |
2448 |
+ |
}} |
2449 |
+ |
|
2450 |
+ |
/** |
2451 |
+ |
* thenCompose result completes exceptionally if source cancelled |
2452 |
+ |
*/ |
2453 |
+ |
public void testThenCompose_sourceCancelled() { |
2454 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2455 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2456 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2457 |
+ |
{ |
2458 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2459 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2460 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2461 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2462 |
+ |
if (createIncomplete) { |
2463 |
+ |
checkIncomplete(g); |
2464 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2465 |
+ |
} |
2466 |
+ |
|
2467 |
+ |
checkCompletedWithWrappedCancellationException(g); |
2468 |
+ |
checkCancelled(f); |
2469 |
+ |
}} |
2470 |
+ |
|
2471 |
+ |
// other static methods |
2472 |
+ |
|
2473 |
+ |
/** |
2474 |
+ |
* allOf(no component futures) returns a future completed normally |
2475 |
+ |
* with the value null |
2476 |
+ |
*/ |
2477 |
+ |
public void testAllOf_empty() throws Exception { |
2478 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(); |
2479 |
+ |
checkCompletedNormally(f, null); |
2480 |
+ |
} |
2481 |
+ |
|
2482 |
+ |
/** |
2483 |
+ |
* allOf returns a future completed normally with the value null |
2484 |
+ |
* when all components complete normally |
2485 |
+ |
*/ |
2486 |
+ |
public void testAllOf_normal() throws Exception { |
2487 |
+ |
for (int k = 1; k < 20; ++k) { |
2488 |
+ |
CompletableFuture<Integer>[] fs |
2489 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2490 |
+ |
for (int i = 0; i < k; ++i) |
2491 |
+ |
fs[i] = new CompletableFuture<>(); |
2492 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2493 |
+ |
for (int i = 0; i < k; ++i) { |
2494 |
+ |
checkIncomplete(f); |
2495 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
2496 |
+ |
fs[i].complete(one); |
2497 |
+ |
} |
2498 |
+ |
checkCompletedNormally(f, null); |
2499 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
2500 |
+ |
} |
2501 |
+ |
} |
2502 |
+ |
|
2503 |
+ |
public void testAllOf_backwards() throws Exception { |
2504 |
+ |
for (int k = 1; k < 20; ++k) { |
2505 |
+ |
CompletableFuture<Integer>[] fs |
2506 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
2507 |
+ |
for (int i = 0; i < k; ++i) |
2508 |
+ |
fs[i] = new CompletableFuture<>(); |
2509 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
2510 |
+ |
for (int i = k - 1; i >= 0; i--) { |
2511 |
+ |
checkIncomplete(f); |
2512 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
2513 |
+ |
fs[i].complete(one); |
2514 |
+ |
} |
2515 |
+ |
checkCompletedNormally(f, null); |
2516 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
2517 |
+ |
} |
2518 |
+ |
} |
2519 |
+ |
|
2520 |
+ |
/** |
2521 |
+ |
* anyOf(no component futures) returns an incomplete future |
2522 |
+ |
*/ |
2523 |
+ |
public void testAnyOf_empty() throws Exception { |
2524 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(); |
2525 |
+ |
checkIncomplete(f); |
2526 |
+ |
} |
2527 |
+ |
|
2528 |
+ |
/** |
2529 |
+ |
* anyOf returns a future completed normally with a value when |
2530 |
+ |
* a component future does |
2531 |
+ |
*/ |
2532 |
+ |
public void testAnyOf_normal() throws Exception { |
2533 |
+ |
for (int k = 0; k < 10; ++k) { |
2534 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
2535 |
+ |
for (int i = 0; i < k; ++i) |
2536 |
+ |
fs[i] = new CompletableFuture<>(); |
2537 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
2538 |
+ |
checkIncomplete(f); |
2539 |
+ |
for (int i = 0; i < k; ++i) { |
2540 |
+ |
fs[i].complete(one); |
2541 |
+ |
checkCompletedNormally(f, one); |
2542 |
+ |
checkCompletedNormally(CompletableFuture.anyOf(fs), one); |
2543 |
+ |
} |
2544 |
+ |
} |
2545 |
+ |
} |
2546 |
+ |
|
2547 |
+ |
/** |
2548 |
+ |
* anyOf result completes exceptionally when any component does. |
2549 |
+ |
*/ |
2550 |
+ |
public void testAnyOf_exceptional() throws Exception { |
2551 |
+ |
for (int k = 0; k < 10; ++k) { |
2552 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
2553 |
+ |
for (int i = 0; i < k; ++i) |
2554 |
+ |
fs[i] = new CompletableFuture<>(); |
2555 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
2556 |
+ |
checkIncomplete(f); |
2557 |
+ |
for (int i = 0; i < k; ++i) { |
2558 |
+ |
fs[i].completeExceptionally(new CFException()); |
2559 |
+ |
checkCompletedWithWrappedCFException(f); |
2560 |
+ |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
2561 |
+ |
} |
2562 |
+ |
} |
2563 |
+ |
} |
2564 |
+ |
|
2565 |
+ |
/** |
2566 |
+ |
* Completion methods throw NullPointerException with null arguments |
2567 |
+ |
*/ |
2568 |
+ |
public void testNPE() { |
2569 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2570 |
+ |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
2571 |
+ |
CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null; |
2572 |
+ |
CompletableFuture<?> h; |
2573 |
+ |
ThreadExecutor exec = new ThreadExecutor(); |
2574 |
+ |
|
2575 |
+ |
Runnable[] throwingActions = { |
2576 |
+ |
() -> CompletableFuture.supplyAsync(null), |
2577 |
+ |
() -> CompletableFuture.supplyAsync(null, exec), |
2578 |
+ |
() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.DEFAULT, 42), null), |
2579 |
+ |
|
2580 |
+ |
() -> CompletableFuture.runAsync(null), |
2581 |
+ |
() -> CompletableFuture.runAsync(null, exec), |
2582 |
+ |
() -> CompletableFuture.runAsync(() -> {}, null), |
2583 |
+ |
|
2584 |
+ |
() -> f.completeExceptionally(null), |
2585 |
+ |
|
2586 |
+ |
() -> f.thenApply(null), |
2587 |
+ |
() -> f.thenApplyAsync(null), |
2588 |
+ |
() -> f.thenApplyAsync((x) -> x, null), |
2589 |
+ |
() -> f.thenApplyAsync(null, exec), |
2590 |
+ |
|
2591 |
+ |
() -> f.thenAccept(null), |
2592 |
+ |
() -> f.thenAcceptAsync(null), |
2593 |
+ |
() -> f.thenAcceptAsync((x) -> {} , null), |
2594 |
+ |
() -> f.thenAcceptAsync(null, exec), |
2595 |
+ |
|
2596 |
+ |
() -> f.thenRun(null), |
2597 |
+ |
() -> f.thenRunAsync(null), |
2598 |
+ |
() -> f.thenRunAsync(() -> {} , null), |
2599 |
+ |
() -> f.thenRunAsync(null, exec), |
2600 |
+ |
|
2601 |
+ |
() -> f.thenCombine(g, null), |
2602 |
+ |
() -> f.thenCombineAsync(g, null), |
2603 |
+ |
() -> f.thenCombineAsync(g, null, exec), |
2604 |
+ |
() -> f.thenCombine(nullFuture, (x, y) -> x), |
2605 |
+ |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x), |
2606 |
+ |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec), |
2607 |
+ |
() -> f.thenCombineAsync(g, (x, y) -> x, null), |
2608 |
+ |
|
2609 |
+ |
() -> f.thenAcceptBoth(g, null), |
2610 |
+ |
() -> f.thenAcceptBothAsync(g, null), |
2611 |
+ |
() -> f.thenAcceptBothAsync(g, null, exec), |
2612 |
+ |
() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}), |
2613 |
+ |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}), |
2614 |
+ |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec), |
2615 |
+ |
() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null), |
2616 |
+ |
|
2617 |
+ |
() -> f.runAfterBoth(g, null), |
2618 |
+ |
() -> f.runAfterBothAsync(g, null), |
2619 |
+ |
() -> f.runAfterBothAsync(g, null, exec), |
2620 |
+ |
() -> f.runAfterBoth(nullFuture, () -> {}), |
2621 |
+ |
() -> f.runAfterBothAsync(nullFuture, () -> {}), |
2622 |
+ |
() -> f.runAfterBothAsync(nullFuture, () -> {}, exec), |
2623 |
+ |
() -> f.runAfterBothAsync(g, () -> {}, null), |
2624 |
+ |
|
2625 |
+ |
() -> f.applyToEither(g, null), |
2626 |
+ |
() -> f.applyToEitherAsync(g, null), |
2627 |
+ |
() -> f.applyToEitherAsync(g, null, exec), |
2628 |
+ |
() -> f.applyToEither(nullFuture, (x) -> x), |
2629 |
+ |
() -> f.applyToEitherAsync(nullFuture, (x) -> x), |
2630 |
+ |
() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec), |
2631 |
+ |
() -> f.applyToEitherAsync(g, (x) -> x, null), |
2632 |
+ |
|
2633 |
+ |
() -> f.acceptEither(g, null), |
2634 |
+ |
() -> f.acceptEitherAsync(g, null), |
2635 |
+ |
() -> f.acceptEitherAsync(g, null, exec), |
2636 |
+ |
() -> f.acceptEither(nullFuture, (x) -> {}), |
2637 |
+ |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}), |
2638 |
+ |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec), |
2639 |
+ |
() -> f.acceptEitherAsync(g, (x) -> {}, null), |
2640 |
+ |
|
2641 |
+ |
() -> f.runAfterEither(g, null), |
2642 |
+ |
() -> f.runAfterEitherAsync(g, null), |
2643 |
+ |
() -> f.runAfterEitherAsync(g, null, exec), |
2644 |
+ |
() -> f.runAfterEither(nullFuture, () -> {}), |
2645 |
+ |
() -> f.runAfterEitherAsync(nullFuture, () -> {}), |
2646 |
+ |
() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec), |
2647 |
+ |
() -> f.runAfterEitherAsync(g, () -> {}, null), |
2648 |
+ |
|
2649 |
+ |
() -> f.thenCompose(null), |
2650 |
+ |
() -> f.thenComposeAsync(null), |
2651 |
+ |
() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null), |
2652 |
+ |
() -> f.thenComposeAsync(null, exec), |
2653 |
+ |
|
2654 |
+ |
() -> f.exceptionally(null), |
2655 |
+ |
|
2656 |
+ |
() -> f.handle(null), |
2657 |
+ |
|
2658 |
+ |
() -> CompletableFuture.allOf((CompletableFuture<?>)null), |
2659 |
+ |
() -> CompletableFuture.allOf((CompletableFuture<?>[])null), |
2660 |
+ |
() -> CompletableFuture.allOf(f, null), |
2661 |
+ |
() -> CompletableFuture.allOf(null, f), |
2662 |
+ |
|
2663 |
+ |
() -> CompletableFuture.anyOf((CompletableFuture<?>)null), |
2664 |
+ |
() -> CompletableFuture.anyOf((CompletableFuture<?>[])null), |
2665 |
+ |
() -> CompletableFuture.anyOf(f, null), |
2666 |
+ |
() -> CompletableFuture.anyOf(null, f), |
2667 |
+ |
|
2668 |
+ |
() -> f.obtrudeException(null), |
2669 |
+ |
}; |
2670 |
+ |
|
2671 |
+ |
assertThrows(NullPointerException.class, throwingActions); |
2672 |
+ |
assertEquals(0, exec.count.get()); |
2673 |
+ |
} |
2674 |
+ |
|
2675 |
+ |
/** |
2676 |
+ |
* toCompletableFuture returns this CompletableFuture. |
2677 |
+ |
*/ |
2678 |
+ |
public void testToCompletableFuture() { |
2679 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2680 |
+ |
assertSame(f, f.toCompletableFuture()); |
2681 |
+ |
} |
2682 |
+ |
|
2683 |
+ |
/** |
2684 |
+ |
* whenComplete action executes on normal completion, propagating |
2685 |
+ |
* source result. |
2686 |
+ |
*/ |
2687 |
+ |
public void testWhenComplete_normalCompletion1() { |
2688 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2689 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2690 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2691 |
+ |
{ |
2692 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
2693 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2694 |
+ |
if (!createIncomplete) f.complete(v1); |
2695 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
2696 |
+ |
(f, |
2697 |
+ |
(Integer x, Throwable t) -> { |
2698 |
+ |
threadAssertSame(x, v1); |
2699 |
+ |
threadAssertNull(t); |
2700 |
+ |
a.getAndIncrement(); |
2701 |
+ |
}); |
2702 |
+ |
if (createIncomplete) f.complete(v1); |
2703 |
+ |
|
2704 |
+ |
checkCompletedNormally(g, v1); |
2705 |
+ |
checkCompletedNormally(f, v1); |
2706 |
+ |
assertEquals(1, a.get()); |
2707 |
+ |
}} |
2708 |
+ |
|
2709 |
+ |
/** |
2710 |
+ |
* whenComplete action executes on exceptional completion, propagating |
2711 |
+ |
* source result. |
2712 |
+ |
*/ |
2713 |
+ |
public void testWhenComplete_exceptionalCompletion() { |
2714 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2715 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2716 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2717 |
+ |
{ |
2718 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
2719 |
+ |
final CFException ex = new CFException(); |
2720 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2721 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
2722 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
2723 |
+ |
(f, |
2724 |
+ |
(Integer x, Throwable t) -> { |
2725 |
+ |
threadAssertNull(x); |
2726 |
+ |
threadAssertSame(t, ex); |
2727 |
+ |
a.getAndIncrement(); |
2728 |
+ |
}); |
2729 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
2730 |
+ |
checkCompletedWithWrappedCFException(f, ex); |
2731 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
2732 |
+ |
assertEquals(1, a.get()); |
2733 |
+ |
}} |
2734 |
+ |
|
2735 |
+ |
/** |
2736 |
+ |
* whenComplete action executes on cancelled source, propagating |
2737 |
+ |
* CancellationException. |
2738 |
+ |
*/ |
2739 |
+ |
public void testWhenComplete_sourceCancelled() { |
2740 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2741 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2742 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2743 |
+ |
{ |
2744 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
2745 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2746 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2747 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
2748 |
+ |
(f, |
2749 |
+ |
(Integer x, Throwable t) -> { |
2750 |
+ |
threadAssertNull(x); |
2751 |
+ |
threadAssertTrue(t instanceof CancellationException); |
2752 |
+ |
a.getAndIncrement(); |
2753 |
+ |
}); |
2754 |
+ |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2755 |
+ |
|
2756 |
+ |
//try { g.join(); } catch (Throwable t) { throw new Error(t); } |
2757 |
+ |
checkCompletedWithWrappedCancellationException(g); |
2758 |
+ |
checkCancelled(f); |
2759 |
+ |
assertEquals(1, a.get()); |
2760 |
+ |
}} |
2761 |
+ |
|
2762 |
+ |
/** |
2763 |
+ |
* If a whenComplete action throws an exception when triggered by |
2764 |
+ |
* a normal completion, it completes exceptionally |
2765 |
+ |
*/ |
2766 |
+ |
public void testWhenComplete_actionFailed() { |
2767 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2768 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2769 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2770 |
+ |
{ |
2771 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
2772 |
+ |
final CFException ex = new CFException(); |
2773 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2774 |
+ |
if (!createIncomplete) f.complete(v1); |
2775 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
2776 |
+ |
(f, |
2777 |
+ |
(Integer x, Throwable t) -> { |
2778 |
+ |
threadAssertSame(x, v1); |
2779 |
+ |
threadAssertNull(t); |
2780 |
+ |
a.getAndIncrement(); |
2781 |
+ |
throw ex; |
2782 |
+ |
}); |
2783 |
+ |
if (createIncomplete) f.complete(v1); |
2784 |
+ |
checkCompletedNormally(f, v1); |
2785 |
+ |
checkCompletedWithWrappedCFException(g, ex); |
2786 |
+ |
assertEquals(1, a.get()); |
2787 |
+ |
}} |
2788 |
+ |
|
2789 |
+ |
/** |
2790 |
+ |
* If a whenComplete action throws an exception when triggered by |
2791 |
+ |
* a source completion that also throws an exception, the source |
2792 |
+ |
* exception takes precedence. |
2793 |
+ |
*/ |
2794 |
+ |
public void testWhenComplete_actionFailedSourceFailed() { |
2795 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2796 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2797 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2798 |
+ |
{ |
2799 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
2800 |
+ |
final CFException ex1 = new CFException(); |
2801 |
+ |
final CFException ex2 = new CFException(); |
2802 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2803 |
+ |
|
2804 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
2805 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
2806 |
+ |
(f, |
2807 |
+ |
(Integer x, Throwable t) -> { |
2808 |
+ |
threadAssertSame(t, ex1); |
2809 |
+ |
threadAssertNull(x); |
2810 |
+ |
a.getAndIncrement(); |
2811 |
+ |
throw ex2; |
2812 |
+ |
}); |
2813 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
2814 |
+ |
|
2815 |
+ |
checkCompletedWithWrappedCFException(f, ex1); |
2816 |
+ |
checkCompletedWithWrappedCFException(g, ex1); |
2817 |
+ |
assertEquals(1, a.get()); |
2818 |
+ |
}} |
2819 |
+ |
|
2820 |
|
} |