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/* |
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* Written by Doug Lea with assistance from members of JCP JSR-166 |
3 |
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* Expert Group and released to the public domain, as explained at |
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* 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 |
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* http://creativecommons.org/publicdomain/zero/1.0/ |
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* Other contributors include Andrew Wright, Jeffrey Hayes, |
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* Pat Fisher, Mike Judd. |
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*/ |
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|
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< |
import junit.framework.*; |
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> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
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import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
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import static java.util.concurrent.CompletableFuture.completedFuture; |
11 |
> |
import static java.util.concurrent.CompletableFuture.failedFuture; |
12 |
> |
|
13 |
> |
import java.lang.reflect.Method; |
14 |
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import java.lang.reflect.Modifier; |
15 |
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|
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import java.util.stream.Collectors; |
17 |
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import java.util.stream.Stream; |
18 |
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|
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import java.util.ArrayList; |
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import java.util.Arrays; |
21 |
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import java.util.List; |
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import java.util.Objects; |
23 |
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import java.util.Set; |
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import java.util.concurrent.Callable; |
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import java.util.concurrent.CancellationException; |
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import java.util.concurrent.CountDownLatch; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Future; |
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import java.util.concurrent.CompletableFuture; |
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import java.util.concurrent.CompletionException; |
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import java.util.concurrent.CompletionStage; |
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import java.util.concurrent.ExecutionException; |
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import java.util.concurrent.Executor; |
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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.TimeUnit; |
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import java.util.concurrent.atomic.AtomicInteger; |
36 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
37 |
< |
import static java.util.concurrent.TimeUnit.SECONDS; |
38 |
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import java.util.*; |
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> |
import java.util.concurrent.atomic.AtomicReference; |
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import java.util.function.BiConsumer; |
38 |
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import java.util.function.BiFunction; |
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import java.util.function.Consumer; |
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import java.util.function.Function; |
41 |
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import java.util.function.Predicate; |
42 |
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import java.util.function.Supplier; |
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|
44 |
> |
import junit.framework.AssertionFailedError; |
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import junit.framework.Test; |
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import junit.framework.TestSuite; |
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|
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public class CompletableFutureTest extends JSR166TestCase { |
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|
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public static void main(String[] args) { |
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junit.textui.TestRunner.run(suite()); |
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main(suite(), args); |
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} |
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public static Test suite() { |
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return new TestSuite(CompletableFutureTest.class); |
55 |
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} |
56 |
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|
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static class CFException extends RuntimeException {} |
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|
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void checkIncomplete(CompletableFuture<?> f) { |
60 |
+ |
assertFalse(f.isDone()); |
61 |
+ |
assertFalse(f.isCancelled()); |
62 |
+ |
assertTrue(f.toString().contains("Not completed")); |
63 |
+ |
try { |
64 |
+ |
assertNull(f.getNow(null)); |
65 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
66 |
+ |
try { |
67 |
+ |
f.get(0L, SECONDS); |
68 |
+ |
shouldThrow(); |
69 |
+ |
} |
70 |
+ |
catch (TimeoutException success) {} |
71 |
+ |
catch (Throwable fail) { threadUnexpectedException(fail); } |
72 |
+ |
} |
73 |
+ |
|
74 |
+ |
<T> void checkCompletedNormally(CompletableFuture<T> f, T value) { |
75 |
+ |
checkTimedGet(f, value); |
76 |
+ |
|
77 |
+ |
try { |
78 |
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assertEquals(value, f.join()); |
79 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
80 |
+ |
try { |
81 |
+ |
assertEquals(value, f.getNow(null)); |
82 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
83 |
+ |
try { |
84 |
+ |
assertEquals(value, f.get()); |
85 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
86 |
+ |
assertTrue(f.isDone()); |
87 |
+ |
assertFalse(f.isCancelled()); |
88 |
+ |
assertFalse(f.isCompletedExceptionally()); |
89 |
+ |
assertTrue(f.toString().contains("[Completed normally]")); |
90 |
+ |
} |
91 |
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|
92 |
+ |
/** |
93 |
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* Returns the "raw" internal exceptional completion of f, |
94 |
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* without any additional wrapping with CompletionException. |
95 |
+ |
*/ |
96 |
+ |
<U> Throwable exceptionalCompletion(CompletableFuture<U> f) { |
97 |
+ |
// handle (and whenComplete) can distinguish between "direct" |
98 |
+ |
// and "wrapped" exceptional completion |
99 |
+ |
return f.handle((U u, Throwable t) -> t).join(); |
100 |
+ |
} |
101 |
+ |
|
102 |
+ |
void checkCompletedExceptionally(CompletableFuture<?> f, |
103 |
+ |
boolean wrapped, |
104 |
+ |
Consumer<Throwable> checker) { |
105 |
+ |
Throwable cause = exceptionalCompletion(f); |
106 |
+ |
if (wrapped) { |
107 |
+ |
assertTrue(cause instanceof CompletionException); |
108 |
+ |
cause = cause.getCause(); |
109 |
+ |
} |
110 |
+ |
checker.accept(cause); |
111 |
+ |
|
112 |
+ |
long startTime = System.nanoTime(); |
113 |
+ |
try { |
114 |
+ |
f.get(LONG_DELAY_MS, MILLISECONDS); |
115 |
+ |
shouldThrow(); |
116 |
+ |
} catch (ExecutionException success) { |
117 |
+ |
assertSame(cause, success.getCause()); |
118 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
119 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
120 |
+ |
|
121 |
+ |
try { |
122 |
+ |
f.join(); |
123 |
+ |
shouldThrow(); |
124 |
+ |
} catch (CompletionException success) { |
125 |
+ |
assertSame(cause, success.getCause()); |
126 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
127 |
+ |
|
128 |
+ |
try { |
129 |
+ |
f.getNow(null); |
130 |
+ |
shouldThrow(); |
131 |
+ |
} catch (CompletionException success) { |
132 |
+ |
assertSame(cause, success.getCause()); |
133 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
134 |
+ |
|
135 |
+ |
try { |
136 |
+ |
f.get(); |
137 |
+ |
shouldThrow(); |
138 |
+ |
} catch (ExecutionException success) { |
139 |
+ |
assertSame(cause, success.getCause()); |
140 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
141 |
+ |
|
142 |
+ |
assertFalse(f.isCancelled()); |
143 |
+ |
assertTrue(f.isDone()); |
144 |
+ |
assertTrue(f.isCompletedExceptionally()); |
145 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
146 |
+ |
} |
147 |
+ |
|
148 |
+ |
void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
149 |
+ |
checkCompletedExceptionally(f, true, |
150 |
+ |
(t) -> assertTrue(t instanceof CFException)); |
151 |
+ |
} |
152 |
+ |
|
153 |
+ |
void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) { |
154 |
+ |
checkCompletedExceptionally(f, true, |
155 |
+ |
(t) -> assertTrue(t instanceof CancellationException)); |
156 |
+ |
} |
157 |
+ |
|
158 |
+ |
void checkCompletedWithTimeoutException(CompletableFuture<?> f) { |
159 |
+ |
checkCompletedExceptionally(f, false, |
160 |
+ |
(t) -> assertTrue(t instanceof TimeoutException)); |
161 |
+ |
} |
162 |
+ |
|
163 |
+ |
void checkCompletedWithWrappedException(CompletableFuture<?> f, |
164 |
+ |
Throwable ex) { |
165 |
+ |
checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex)); |
166 |
+ |
} |
167 |
+ |
|
168 |
+ |
void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) { |
169 |
+ |
checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex)); |
170 |
+ |
} |
171 |
+ |
|
172 |
+ |
void checkCancelled(CompletableFuture<?> f) { |
173 |
+ |
long startTime = System.nanoTime(); |
174 |
+ |
try { |
175 |
+ |
f.get(LONG_DELAY_MS, MILLISECONDS); |
176 |
+ |
shouldThrow(); |
177 |
+ |
} catch (CancellationException success) { |
178 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
179 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
180 |
+ |
|
181 |
+ |
try { |
182 |
+ |
f.join(); |
183 |
+ |
shouldThrow(); |
184 |
+ |
} catch (CancellationException success) {} |
185 |
+ |
try { |
186 |
+ |
f.getNow(null); |
187 |
+ |
shouldThrow(); |
188 |
+ |
} catch (CancellationException success) {} |
189 |
+ |
try { |
190 |
+ |
f.get(); |
191 |
+ |
shouldThrow(); |
192 |
+ |
} catch (CancellationException success) { |
193 |
+ |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
194 |
+ |
|
195 |
+ |
assertTrue(exceptionalCompletion(f) instanceof CancellationException); |
196 |
+ |
|
197 |
+ |
assertTrue(f.isDone()); |
198 |
+ |
assertTrue(f.isCompletedExceptionally()); |
199 |
+ |
assertTrue(f.isCancelled()); |
200 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
201 |
+ |
} |
202 |
+ |
|
203 |
+ |
/** |
204 |
+ |
* A newly constructed CompletableFuture is incomplete, as indicated |
205 |
+ |
* by methods isDone, isCancelled, and getNow |
206 |
+ |
*/ |
207 |
+ |
public void testConstructor() { |
208 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
209 |
+ |
checkIncomplete(f); |
210 |
+ |
} |
211 |
+ |
|
212 |
+ |
/** |
213 |
+ |
* complete completes normally, as indicated by methods isDone, |
214 |
+ |
* isCancelled, join, get, and getNow |
215 |
+ |
*/ |
216 |
+ |
public void testComplete() { |
217 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
218 |
+ |
{ |
219 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
220 |
+ |
checkIncomplete(f); |
221 |
+ |
assertTrue(f.complete(v1)); |
222 |
+ |
assertFalse(f.complete(v1)); |
223 |
+ |
checkCompletedNormally(f, v1); |
224 |
+ |
}} |
225 |
+ |
|
226 |
+ |
/** |
227 |
+ |
* completeExceptionally completes exceptionally, as indicated by |
228 |
+ |
* methods isDone, isCancelled, join, get, and getNow |
229 |
+ |
*/ |
230 |
+ |
public void testCompleteExceptionally() { |
231 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
232 |
+ |
CFException ex = new CFException(); |
233 |
+ |
checkIncomplete(f); |
234 |
+ |
f.completeExceptionally(ex); |
235 |
+ |
checkCompletedExceptionally(f, ex); |
236 |
+ |
} |
237 |
+ |
|
238 |
+ |
/** |
239 |
+ |
* cancel completes exceptionally and reports cancelled, as indicated by |
240 |
+ |
* methods isDone, isCancelled, join, get, and getNow |
241 |
+ |
*/ |
242 |
+ |
public void testCancel() { |
243 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
244 |
+ |
{ |
245 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
246 |
+ |
checkIncomplete(f); |
247 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
248 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
249 |
+ |
assertTrue(f.cancel(!mayInterruptIfRunning)); |
250 |
+ |
checkCancelled(f); |
251 |
+ |
}} |
252 |
+ |
|
253 |
+ |
/** |
254 |
+ |
* obtrudeValue forces completion with given value |
255 |
+ |
*/ |
256 |
+ |
public void testObtrudeValue() { |
257 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
258 |
+ |
checkIncomplete(f); |
259 |
+ |
assertTrue(f.complete(one)); |
260 |
+ |
checkCompletedNormally(f, one); |
261 |
+ |
f.obtrudeValue(three); |
262 |
+ |
checkCompletedNormally(f, three); |
263 |
+ |
f.obtrudeValue(two); |
264 |
+ |
checkCompletedNormally(f, two); |
265 |
+ |
f = new CompletableFuture<>(); |
266 |
+ |
f.obtrudeValue(three); |
267 |
+ |
checkCompletedNormally(f, three); |
268 |
+ |
f.obtrudeValue(null); |
269 |
+ |
checkCompletedNormally(f, null); |
270 |
+ |
f = new CompletableFuture<>(); |
271 |
+ |
f.completeExceptionally(new CFException()); |
272 |
+ |
f.obtrudeValue(four); |
273 |
+ |
checkCompletedNormally(f, four); |
274 |
+ |
} |
275 |
+ |
|
276 |
+ |
/** |
277 |
+ |
* obtrudeException forces completion with given exception |
278 |
+ |
*/ |
279 |
+ |
public void testObtrudeException() { |
280 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
281 |
+ |
{ |
282 |
+ |
CFException ex; |
283 |
+ |
CompletableFuture<Integer> f; |
284 |
+ |
|
285 |
+ |
f = new CompletableFuture<>(); |
286 |
+ |
assertTrue(f.complete(v1)); |
287 |
+ |
for (int i = 0; i < 2; i++) { |
288 |
+ |
f.obtrudeException(ex = new CFException()); |
289 |
+ |
checkCompletedExceptionally(f, ex); |
290 |
+ |
} |
291 |
+ |
|
292 |
+ |
f = new CompletableFuture<>(); |
293 |
+ |
for (int i = 0; i < 2; i++) { |
294 |
+ |
f.obtrudeException(ex = new CFException()); |
295 |
+ |
checkCompletedExceptionally(f, ex); |
296 |
+ |
} |
297 |
+ |
|
298 |
+ |
f = new CompletableFuture<>(); |
299 |
+ |
f.completeExceptionally(ex = new CFException()); |
300 |
+ |
f.obtrudeValue(v1); |
301 |
+ |
checkCompletedNormally(f, v1); |
302 |
+ |
f.obtrudeException(ex = new CFException()); |
303 |
+ |
checkCompletedExceptionally(f, ex); |
304 |
+ |
f.completeExceptionally(new CFException()); |
305 |
+ |
checkCompletedExceptionally(f, ex); |
306 |
+ |
assertFalse(f.complete(v1)); |
307 |
+ |
checkCompletedExceptionally(f, ex); |
308 |
+ |
}} |
309 |
+ |
|
310 |
+ |
/** |
311 |
+ |
* getNumberOfDependents returns number of dependent tasks |
312 |
+ |
*/ |
313 |
+ |
public void testGetNumberOfDependents() { |
314 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
315 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
316 |
+ |
{ |
317 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
318 |
+ |
assertEquals(0, f.getNumberOfDependents()); |
319 |
+ |
final CompletableFuture<Void> g = m.thenRun(f, new Noop(m)); |
320 |
+ |
assertEquals(1, f.getNumberOfDependents()); |
321 |
+ |
assertEquals(0, g.getNumberOfDependents()); |
322 |
+ |
final CompletableFuture<Void> h = m.thenRun(f, new Noop(m)); |
323 |
+ |
assertEquals(2, f.getNumberOfDependents()); |
324 |
+ |
assertEquals(0, h.getNumberOfDependents()); |
325 |
+ |
assertTrue(f.complete(v1)); |
326 |
+ |
checkCompletedNormally(g, null); |
327 |
+ |
checkCompletedNormally(h, null); |
328 |
+ |
assertEquals(0, f.getNumberOfDependents()); |
329 |
+ |
assertEquals(0, g.getNumberOfDependents()); |
330 |
+ |
assertEquals(0, h.getNumberOfDependents()); |
331 |
+ |
}} |
332 |
+ |
|
333 |
+ |
/** |
334 |
+ |
* toString indicates current completion state |
335 |
+ |
*/ |
336 |
|
public void testToString() { |
337 |
|
CompletableFuture<String> f; |
338 |
< |
assertTrue(new CompletableFuture<String>().toString() |
34 |
< |
.contains("[Not completed]")); |
338 |
> |
|
339 |
|
f = new CompletableFuture<String>(); |
340 |
< |
f.complete("foo"); |
340 |
> |
assertTrue(f.toString().contains("[Not completed]")); |
341 |
> |
|
342 |
> |
assertTrue(f.complete("foo")); |
343 |
|
assertTrue(f.toString().contains("[Completed normally]")); |
344 |
+ |
|
345 |
|
f = new CompletableFuture<String>(); |
346 |
< |
f.completeExceptionally(new IndexOutOfBoundsException()); |
346 |
> |
assertTrue(f.completeExceptionally(new IndexOutOfBoundsException())); |
347 |
|
assertTrue(f.toString().contains("[Completed exceptionally]")); |
348 |
+ |
|
349 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { |
350 |
+ |
f = new CompletableFuture<String>(); |
351 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
352 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
353 |
+ |
} |
354 |
+ |
} |
355 |
+ |
|
356 |
+ |
/** |
357 |
+ |
* completedFuture returns a completed CompletableFuture with given value |
358 |
+ |
*/ |
359 |
+ |
public void testCompletedFuture() { |
360 |
+ |
CompletableFuture<String> f = CompletableFuture.completedFuture("test"); |
361 |
+ |
checkCompletedNormally(f, "test"); |
362 |
+ |
} |
363 |
+ |
|
364 |
+ |
abstract class CheckedAction { |
365 |
+ |
int invocationCount = 0; |
366 |
+ |
final ExecutionMode m; |
367 |
+ |
CheckedAction(ExecutionMode m) { this.m = m; } |
368 |
+ |
void invoked() { |
369 |
+ |
m.checkExecutionMode(); |
370 |
+ |
assertEquals(0, invocationCount++); |
371 |
+ |
} |
372 |
+ |
void assertNotInvoked() { assertEquals(0, invocationCount); } |
373 |
+ |
void assertInvoked() { assertEquals(1, invocationCount); } |
374 |
+ |
} |
375 |
+ |
|
376 |
+ |
abstract class CheckedIntegerAction extends CheckedAction { |
377 |
+ |
Integer value; |
378 |
+ |
CheckedIntegerAction(ExecutionMode m) { super(m); } |
379 |
+ |
void assertValue(Integer expected) { |
380 |
+ |
assertInvoked(); |
381 |
+ |
assertEquals(expected, value); |
382 |
+ |
} |
383 |
+ |
} |
384 |
+ |
|
385 |
+ |
class IntegerSupplier extends CheckedAction |
386 |
+ |
implements Supplier<Integer> |
387 |
+ |
{ |
388 |
+ |
final Integer value; |
389 |
+ |
IntegerSupplier(ExecutionMode m, Integer value) { |
390 |
+ |
super(m); |
391 |
+ |
this.value = value; |
392 |
+ |
} |
393 |
+ |
public Integer get() { |
394 |
+ |
invoked(); |
395 |
+ |
return value; |
396 |
+ |
} |
397 |
+ |
} |
398 |
+ |
|
399 |
+ |
// A function that handles and produces null values as well. |
400 |
+ |
static Integer inc(Integer x) { |
401 |
+ |
return (x == null) ? null : x + 1; |
402 |
+ |
} |
403 |
+ |
|
404 |
+ |
class NoopConsumer extends CheckedIntegerAction |
405 |
+ |
implements Consumer<Integer> |
406 |
+ |
{ |
407 |
+ |
NoopConsumer(ExecutionMode m) { super(m); } |
408 |
+ |
public void accept(Integer x) { |
409 |
+ |
invoked(); |
410 |
+ |
value = x; |
411 |
+ |
} |
412 |
+ |
} |
413 |
+ |
|
414 |
+ |
class IncFunction extends CheckedIntegerAction |
415 |
+ |
implements Function<Integer,Integer> |
416 |
+ |
{ |
417 |
+ |
IncFunction(ExecutionMode m) { super(m); } |
418 |
+ |
public Integer apply(Integer x) { |
419 |
+ |
invoked(); |
420 |
+ |
return value = inc(x); |
421 |
+ |
} |
422 |
+ |
} |
423 |
+ |
|
424 |
+ |
// Choose non-commutative actions for better coverage |
425 |
+ |
// A non-commutative function that handles and produces null values as well. |
426 |
+ |
static Integer subtract(Integer x, Integer y) { |
427 |
+ |
return (x == null && y == null) ? null : |
428 |
+ |
((x == null) ? 42 : x.intValue()) |
429 |
+ |
- ((y == null) ? 99 : y.intValue()); |
430 |
+ |
} |
431 |
+ |
|
432 |
+ |
class SubtractAction extends CheckedIntegerAction |
433 |
+ |
implements BiConsumer<Integer, Integer> |
434 |
+ |
{ |
435 |
+ |
SubtractAction(ExecutionMode m) { super(m); } |
436 |
+ |
public void accept(Integer x, Integer y) { |
437 |
+ |
invoked(); |
438 |
+ |
value = subtract(x, y); |
439 |
+ |
} |
440 |
+ |
} |
441 |
+ |
|
442 |
+ |
class SubtractFunction extends CheckedIntegerAction |
443 |
+ |
implements BiFunction<Integer, Integer, Integer> |
444 |
+ |
{ |
445 |
+ |
SubtractFunction(ExecutionMode m) { super(m); } |
446 |
+ |
public Integer apply(Integer x, Integer y) { |
447 |
+ |
invoked(); |
448 |
+ |
return value = subtract(x, y); |
449 |
+ |
} |
450 |
+ |
} |
451 |
+ |
|
452 |
+ |
class Noop extends CheckedAction implements Runnable { |
453 |
+ |
Noop(ExecutionMode m) { super(m); } |
454 |
+ |
public void run() { |
455 |
+ |
invoked(); |
456 |
+ |
} |
457 |
+ |
} |
458 |
+ |
|
459 |
+ |
class FailingSupplier extends CheckedAction |
460 |
+ |
implements Supplier<Integer> |
461 |
+ |
{ |
462 |
+ |
FailingSupplier(ExecutionMode m) { super(m); } |
463 |
+ |
public Integer get() { |
464 |
+ |
invoked(); |
465 |
+ |
throw new CFException(); |
466 |
+ |
} |
467 |
+ |
} |
468 |
+ |
|
469 |
+ |
class FailingConsumer extends CheckedIntegerAction |
470 |
+ |
implements Consumer<Integer> |
471 |
+ |
{ |
472 |
+ |
FailingConsumer(ExecutionMode m) { super(m); } |
473 |
+ |
public void accept(Integer x) { |
474 |
+ |
invoked(); |
475 |
+ |
value = x; |
476 |
+ |
throw new CFException(); |
477 |
+ |
} |
478 |
+ |
} |
479 |
+ |
|
480 |
+ |
class FailingBiConsumer extends CheckedIntegerAction |
481 |
+ |
implements BiConsumer<Integer, Integer> |
482 |
+ |
{ |
483 |
+ |
FailingBiConsumer(ExecutionMode m) { super(m); } |
484 |
+ |
public void accept(Integer x, Integer y) { |
485 |
+ |
invoked(); |
486 |
+ |
value = subtract(x, y); |
487 |
+ |
throw new CFException(); |
488 |
+ |
} |
489 |
+ |
} |
490 |
+ |
|
491 |
+ |
class FailingFunction extends CheckedIntegerAction |
492 |
+ |
implements Function<Integer, Integer> |
493 |
+ |
{ |
494 |
+ |
FailingFunction(ExecutionMode m) { super(m); } |
495 |
+ |
public Integer apply(Integer x) { |
496 |
+ |
invoked(); |
497 |
+ |
value = x; |
498 |
+ |
throw new CFException(); |
499 |
+ |
} |
500 |
+ |
} |
501 |
+ |
|
502 |
+ |
class FailingBiFunction extends CheckedIntegerAction |
503 |
+ |
implements BiFunction<Integer, Integer, Integer> |
504 |
+ |
{ |
505 |
+ |
FailingBiFunction(ExecutionMode m) { super(m); } |
506 |
+ |
public Integer apply(Integer x, Integer y) { |
507 |
+ |
invoked(); |
508 |
+ |
value = subtract(x, y); |
509 |
+ |
throw new CFException(); |
510 |
+ |
} |
511 |
+ |
} |
512 |
+ |
|
513 |
+ |
class FailingRunnable extends CheckedAction implements Runnable { |
514 |
+ |
FailingRunnable(ExecutionMode m) { super(m); } |
515 |
+ |
public void run() { |
516 |
+ |
invoked(); |
517 |
+ |
throw new CFException(); |
518 |
+ |
} |
519 |
+ |
} |
520 |
+ |
|
521 |
+ |
class CompletableFutureInc extends CheckedIntegerAction |
522 |
+ |
implements Function<Integer, CompletableFuture<Integer>> |
523 |
+ |
{ |
524 |
+ |
CompletableFutureInc(ExecutionMode m) { super(m); } |
525 |
+ |
public CompletableFuture<Integer> apply(Integer x) { |
526 |
+ |
invoked(); |
527 |
+ |
value = x; |
528 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
529 |
+ |
assertTrue(f.complete(inc(x))); |
530 |
+ |
return f; |
531 |
+ |
} |
532 |
+ |
} |
533 |
+ |
|
534 |
+ |
class FailingCompletableFutureFunction extends CheckedIntegerAction |
535 |
+ |
implements Function<Integer, CompletableFuture<Integer>> |
536 |
+ |
{ |
537 |
+ |
FailingCompletableFutureFunction(ExecutionMode m) { super(m); } |
538 |
+ |
public CompletableFuture<Integer> apply(Integer x) { |
539 |
+ |
invoked(); |
540 |
+ |
value = x; |
541 |
+ |
throw new CFException(); |
542 |
+ |
} |
543 |
+ |
} |
544 |
+ |
|
545 |
+ |
// Used for explicit executor tests |
546 |
+ |
static final class ThreadExecutor implements Executor { |
547 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
548 |
+ |
static final ThreadGroup tg = new ThreadGroup("ThreadExecutor"); |
549 |
+ |
static boolean startedCurrentThread() { |
550 |
+ |
return Thread.currentThread().getThreadGroup() == tg; |
551 |
+ |
} |
552 |
+ |
|
553 |
+ |
public void execute(Runnable r) { |
554 |
+ |
count.getAndIncrement(); |
555 |
+ |
new Thread(tg, r).start(); |
556 |
+ |
} |
557 |
+ |
} |
558 |
+ |
|
559 |
+ |
static final boolean defaultExecutorIsCommonPool |
560 |
+ |
= ForkJoinPool.getCommonPoolParallelism() > 1; |
561 |
+ |
|
562 |
+ |
/** |
563 |
+ |
* Permits the testing of parallel code for the 3 different |
564 |
+ |
* execution modes without copy/pasting all the test methods. |
565 |
+ |
*/ |
566 |
+ |
enum ExecutionMode { |
567 |
+ |
SYNC { |
568 |
+ |
public void checkExecutionMode() { |
569 |
+ |
assertFalse(ThreadExecutor.startedCurrentThread()); |
570 |
+ |
assertNull(ForkJoinTask.getPool()); |
571 |
+ |
} |
572 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
573 |
+ |
throw new UnsupportedOperationException(); |
574 |
+ |
} |
575 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
576 |
+ |
throw new UnsupportedOperationException(); |
577 |
+ |
} |
578 |
+ |
public <T> CompletableFuture<Void> thenRun |
579 |
+ |
(CompletableFuture<T> f, Runnable a) { |
580 |
+ |
return f.thenRun(a); |
581 |
+ |
} |
582 |
+ |
public <T> CompletableFuture<Void> thenAccept |
583 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
584 |
+ |
return f.thenAccept(a); |
585 |
+ |
} |
586 |
+ |
public <T,U> CompletableFuture<U> thenApply |
587 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
588 |
+ |
return f.thenApply(a); |
589 |
+ |
} |
590 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
591 |
+ |
(CompletableFuture<T> f, |
592 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
593 |
+ |
return f.thenCompose(a); |
594 |
+ |
} |
595 |
+ |
public <T,U> CompletableFuture<U> handle |
596 |
+ |
(CompletableFuture<T> f, |
597 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
598 |
+ |
return f.handle(a); |
599 |
+ |
} |
600 |
+ |
public <T> CompletableFuture<T> whenComplete |
601 |
+ |
(CompletableFuture<T> f, |
602 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
603 |
+ |
return f.whenComplete(a); |
604 |
+ |
} |
605 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
606 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
607 |
+ |
return f.runAfterBoth(g, a); |
608 |
+ |
} |
609 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
610 |
+ |
(CompletableFuture<T> f, |
611 |
+ |
CompletionStage<? extends U> g, |
612 |
+ |
BiConsumer<? super T,? super U> a) { |
613 |
+ |
return f.thenAcceptBoth(g, a); |
614 |
+ |
} |
615 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
616 |
+ |
(CompletableFuture<T> f, |
617 |
+ |
CompletionStage<? extends U> g, |
618 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
619 |
+ |
return f.thenCombine(g, a); |
620 |
+ |
} |
621 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
622 |
+ |
(CompletableFuture<T> f, |
623 |
+ |
CompletionStage<?> g, |
624 |
+ |
java.lang.Runnable a) { |
625 |
+ |
return f.runAfterEither(g, a); |
626 |
+ |
} |
627 |
+ |
public <T> CompletableFuture<Void> acceptEither |
628 |
+ |
(CompletableFuture<T> f, |
629 |
+ |
CompletionStage<? extends T> g, |
630 |
+ |
Consumer<? super T> a) { |
631 |
+ |
return f.acceptEither(g, a); |
632 |
+ |
} |
633 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
634 |
+ |
(CompletableFuture<T> f, |
635 |
+ |
CompletionStage<? extends T> g, |
636 |
+ |
Function<? super T,U> a) { |
637 |
+ |
return f.applyToEither(g, a); |
638 |
+ |
} |
639 |
+ |
}, |
640 |
+ |
|
641 |
+ |
ASYNC { |
642 |
+ |
public void checkExecutionMode() { |
643 |
+ |
// If tests are added that may run across different |
644 |
+ |
// pools, this needs to be weakened to no-op. |
645 |
+ |
ForkJoinPool p = ForkJoinTask.getPool(); |
646 |
+ |
assertTrue(p == null || |
647 |
+ |
(defaultExecutorIsCommonPool && |
648 |
+ |
p == ForkJoinPool.commonPool())); |
649 |
+ |
} |
650 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
651 |
+ |
return CompletableFuture.runAsync(a); |
652 |
+ |
} |
653 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
654 |
+ |
return CompletableFuture.supplyAsync(a); |
655 |
+ |
} |
656 |
+ |
public <T> CompletableFuture<Void> thenRun |
657 |
+ |
(CompletableFuture<T> f, Runnable a) { |
658 |
+ |
return f.thenRunAsync(a); |
659 |
+ |
} |
660 |
+ |
public <T> CompletableFuture<Void> thenAccept |
661 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
662 |
+ |
return f.thenAcceptAsync(a); |
663 |
+ |
} |
664 |
+ |
public <T,U> CompletableFuture<U> thenApply |
665 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
666 |
+ |
return f.thenApplyAsync(a); |
667 |
+ |
} |
668 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
669 |
+ |
(CompletableFuture<T> f, |
670 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
671 |
+ |
return f.thenComposeAsync(a); |
672 |
+ |
} |
673 |
+ |
public <T,U> CompletableFuture<U> handle |
674 |
+ |
(CompletableFuture<T> f, |
675 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
676 |
+ |
return f.handleAsync(a); |
677 |
+ |
} |
678 |
+ |
public <T> CompletableFuture<T> whenComplete |
679 |
+ |
(CompletableFuture<T> f, |
680 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
681 |
+ |
return f.whenCompleteAsync(a); |
682 |
+ |
} |
683 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
684 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
685 |
+ |
return f.runAfterBothAsync(g, a); |
686 |
+ |
} |
687 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
688 |
+ |
(CompletableFuture<T> f, |
689 |
+ |
CompletionStage<? extends U> g, |
690 |
+ |
BiConsumer<? super T,? super U> a) { |
691 |
+ |
return f.thenAcceptBothAsync(g, a); |
692 |
+ |
} |
693 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
694 |
+ |
(CompletableFuture<T> f, |
695 |
+ |
CompletionStage<? extends U> g, |
696 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
697 |
+ |
return f.thenCombineAsync(g, a); |
698 |
+ |
} |
699 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
700 |
+ |
(CompletableFuture<T> f, |
701 |
+ |
CompletionStage<?> g, |
702 |
+ |
java.lang.Runnable a) { |
703 |
+ |
return f.runAfterEitherAsync(g, a); |
704 |
+ |
} |
705 |
+ |
public <T> CompletableFuture<Void> acceptEither |
706 |
+ |
(CompletableFuture<T> f, |
707 |
+ |
CompletionStage<? extends T> g, |
708 |
+ |
Consumer<? super T> a) { |
709 |
+ |
return f.acceptEitherAsync(g, a); |
710 |
+ |
} |
711 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
712 |
+ |
(CompletableFuture<T> f, |
713 |
+ |
CompletionStage<? extends T> g, |
714 |
+ |
Function<? super T,U> a) { |
715 |
+ |
return f.applyToEitherAsync(g, a); |
716 |
+ |
} |
717 |
+ |
}, |
718 |
+ |
|
719 |
+ |
EXECUTOR { |
720 |
+ |
public void checkExecutionMode() { |
721 |
+ |
assertTrue(ThreadExecutor.startedCurrentThread()); |
722 |
+ |
} |
723 |
+ |
public CompletableFuture<Void> runAsync(Runnable a) { |
724 |
+ |
return CompletableFuture.runAsync(a, new ThreadExecutor()); |
725 |
+ |
} |
726 |
+ |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
727 |
+ |
return CompletableFuture.supplyAsync(a, new ThreadExecutor()); |
728 |
+ |
} |
729 |
+ |
public <T> CompletableFuture<Void> thenRun |
730 |
+ |
(CompletableFuture<T> f, Runnable a) { |
731 |
+ |
return f.thenRunAsync(a, new ThreadExecutor()); |
732 |
+ |
} |
733 |
+ |
public <T> CompletableFuture<Void> thenAccept |
734 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a) { |
735 |
+ |
return f.thenAcceptAsync(a, new ThreadExecutor()); |
736 |
+ |
} |
737 |
+ |
public <T,U> CompletableFuture<U> thenApply |
738 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a) { |
739 |
+ |
return f.thenApplyAsync(a, new ThreadExecutor()); |
740 |
+ |
} |
741 |
+ |
public <T,U> CompletableFuture<U> thenCompose |
742 |
+ |
(CompletableFuture<T> f, |
743 |
+ |
Function<? super T,? extends CompletionStage<U>> a) { |
744 |
+ |
return f.thenComposeAsync(a, new ThreadExecutor()); |
745 |
+ |
} |
746 |
+ |
public <T,U> CompletableFuture<U> handle |
747 |
+ |
(CompletableFuture<T> f, |
748 |
+ |
BiFunction<? super T,Throwable,? extends U> a) { |
749 |
+ |
return f.handleAsync(a, new ThreadExecutor()); |
750 |
+ |
} |
751 |
+ |
public <T> CompletableFuture<T> whenComplete |
752 |
+ |
(CompletableFuture<T> f, |
753 |
+ |
BiConsumer<? super T,? super Throwable> a) { |
754 |
+ |
return f.whenCompleteAsync(a, new ThreadExecutor()); |
755 |
+ |
} |
756 |
+ |
public <T,U> CompletableFuture<Void> runAfterBoth |
757 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
758 |
+ |
return f.runAfterBothAsync(g, a, new ThreadExecutor()); |
759 |
+ |
} |
760 |
+ |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
761 |
+ |
(CompletableFuture<T> f, |
762 |
+ |
CompletionStage<? extends U> g, |
763 |
+ |
BiConsumer<? super T,? super U> a) { |
764 |
+ |
return f.thenAcceptBothAsync(g, a, new ThreadExecutor()); |
765 |
+ |
} |
766 |
+ |
public <T,U,V> CompletableFuture<V> thenCombine |
767 |
+ |
(CompletableFuture<T> f, |
768 |
+ |
CompletionStage<? extends U> g, |
769 |
+ |
BiFunction<? super T,? super U,? extends V> a) { |
770 |
+ |
return f.thenCombineAsync(g, a, new ThreadExecutor()); |
771 |
+ |
} |
772 |
+ |
public <T> CompletableFuture<Void> runAfterEither |
773 |
+ |
(CompletableFuture<T> f, |
774 |
+ |
CompletionStage<?> g, |
775 |
+ |
java.lang.Runnable a) { |
776 |
+ |
return f.runAfterEitherAsync(g, a, new ThreadExecutor()); |
777 |
+ |
} |
778 |
+ |
public <T> CompletableFuture<Void> acceptEither |
779 |
+ |
(CompletableFuture<T> f, |
780 |
+ |
CompletionStage<? extends T> g, |
781 |
+ |
Consumer<? super T> a) { |
782 |
+ |
return f.acceptEitherAsync(g, a, new ThreadExecutor()); |
783 |
+ |
} |
784 |
+ |
public <T,U> CompletableFuture<U> applyToEither |
785 |
+ |
(CompletableFuture<T> f, |
786 |
+ |
CompletionStage<? extends T> g, |
787 |
+ |
Function<? super T,U> a) { |
788 |
+ |
return f.applyToEitherAsync(g, a, new ThreadExecutor()); |
789 |
+ |
} |
790 |
+ |
}; |
791 |
+ |
|
792 |
+ |
public abstract void checkExecutionMode(); |
793 |
+ |
public abstract CompletableFuture<Void> runAsync(Runnable a); |
794 |
+ |
public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a); |
795 |
+ |
public abstract <T> CompletableFuture<Void> thenRun |
796 |
+ |
(CompletableFuture<T> f, Runnable a); |
797 |
+ |
public abstract <T> CompletableFuture<Void> thenAccept |
798 |
+ |
(CompletableFuture<T> f, Consumer<? super T> a); |
799 |
+ |
public abstract <T,U> CompletableFuture<U> thenApply |
800 |
+ |
(CompletableFuture<T> f, Function<? super T,U> a); |
801 |
+ |
public abstract <T,U> CompletableFuture<U> thenCompose |
802 |
+ |
(CompletableFuture<T> f, |
803 |
+ |
Function<? super T,? extends CompletionStage<U>> a); |
804 |
+ |
public abstract <T,U> CompletableFuture<U> handle |
805 |
+ |
(CompletableFuture<T> f, |
806 |
+ |
BiFunction<? super T,Throwable,? extends U> a); |
807 |
+ |
public abstract <T> CompletableFuture<T> whenComplete |
808 |
+ |
(CompletableFuture<T> f, |
809 |
+ |
BiConsumer<? super T,? super Throwable> a); |
810 |
+ |
public abstract <T,U> CompletableFuture<Void> runAfterBoth |
811 |
+ |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a); |
812 |
+ |
public abstract <T,U> CompletableFuture<Void> thenAcceptBoth |
813 |
+ |
(CompletableFuture<T> f, |
814 |
+ |
CompletionStage<? extends U> g, |
815 |
+ |
BiConsumer<? super T,? super U> a); |
816 |
+ |
public abstract <T,U,V> CompletableFuture<V> thenCombine |
817 |
+ |
(CompletableFuture<T> f, |
818 |
+ |
CompletionStage<? extends U> g, |
819 |
+ |
BiFunction<? super T,? super U,? extends V> a); |
820 |
+ |
public abstract <T> CompletableFuture<Void> runAfterEither |
821 |
+ |
(CompletableFuture<T> f, |
822 |
+ |
CompletionStage<?> g, |
823 |
+ |
java.lang.Runnable a); |
824 |
+ |
public abstract <T> CompletableFuture<Void> acceptEither |
825 |
+ |
(CompletableFuture<T> f, |
826 |
+ |
CompletionStage<? extends T> g, |
827 |
+ |
Consumer<? super T> a); |
828 |
+ |
public abstract <T,U> CompletableFuture<U> applyToEither |
829 |
+ |
(CompletableFuture<T> f, |
830 |
+ |
CompletionStage<? extends T> g, |
831 |
+ |
Function<? super T,U> a); |
832 |
+ |
} |
833 |
+ |
|
834 |
+ |
/** |
835 |
+ |
* exceptionally action is not invoked when source completes |
836 |
+ |
* normally, and source result is propagated |
837 |
+ |
*/ |
838 |
+ |
public void testExceptionally_normalCompletion() { |
839 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
840 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
841 |
+ |
{ |
842 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
843 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
844 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
845 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
846 |
+ |
((Throwable t) -> { |
847 |
+ |
a.getAndIncrement(); |
848 |
+ |
threadFail("should not be called"); |
849 |
+ |
return null; // unreached |
850 |
+ |
}); |
851 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
852 |
+ |
|
853 |
+ |
checkCompletedNormally(g, v1); |
854 |
+ |
checkCompletedNormally(f, v1); |
855 |
+ |
assertEquals(0, a.get()); |
856 |
+ |
}} |
857 |
+ |
|
858 |
+ |
/** |
859 |
+ |
* exceptionally action completes with function value on source |
860 |
+ |
* exception |
861 |
+ |
*/ |
862 |
+ |
public void testExceptionally_exceptionalCompletion() { |
863 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
864 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
865 |
+ |
{ |
866 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
867 |
+ |
final CFException ex = new CFException(); |
868 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
869 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
870 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
871 |
+ |
((Throwable t) -> { |
872 |
+ |
ExecutionMode.SYNC.checkExecutionMode(); |
873 |
+ |
threadAssertSame(t, ex); |
874 |
+ |
a.getAndIncrement(); |
875 |
+ |
return v1; |
876 |
+ |
}); |
877 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
878 |
+ |
|
879 |
+ |
checkCompletedNormally(g, v1); |
880 |
+ |
assertEquals(1, a.get()); |
881 |
+ |
}} |
882 |
+ |
|
883 |
+ |
/** |
884 |
+ |
* If an "exceptionally action" throws an exception, it completes |
885 |
+ |
* exceptionally with that exception |
886 |
+ |
*/ |
887 |
+ |
public void testExceptionally_exceptionalCompletionActionFailed() { |
888 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
889 |
+ |
{ |
890 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
891 |
+ |
final CFException ex1 = new CFException(); |
892 |
+ |
final CFException ex2 = new CFException(); |
893 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
894 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
895 |
+ |
final CompletableFuture<Integer> g = f.exceptionally |
896 |
+ |
((Throwable t) -> { |
897 |
+ |
ExecutionMode.SYNC.checkExecutionMode(); |
898 |
+ |
threadAssertSame(t, ex1); |
899 |
+ |
a.getAndIncrement(); |
900 |
+ |
throw ex2; |
901 |
+ |
}); |
902 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
903 |
+ |
|
904 |
+ |
checkCompletedWithWrappedException(g, ex2); |
905 |
+ |
checkCompletedExceptionally(f, ex1); |
906 |
+ |
assertEquals(1, a.get()); |
907 |
+ |
}} |
908 |
+ |
|
909 |
+ |
/** |
910 |
+ |
* whenComplete action executes on normal completion, propagating |
911 |
+ |
* source result. |
912 |
+ |
*/ |
913 |
+ |
public void testWhenComplete_normalCompletion() { |
914 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
915 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
916 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
917 |
+ |
{ |
918 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
919 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
920 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
921 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
922 |
+ |
(f, |
923 |
+ |
(Integer result, Throwable t) -> { |
924 |
+ |
m.checkExecutionMode(); |
925 |
+ |
threadAssertSame(result, v1); |
926 |
+ |
threadAssertNull(t); |
927 |
+ |
a.getAndIncrement(); |
928 |
+ |
}); |
929 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
930 |
+ |
|
931 |
+ |
checkCompletedNormally(g, v1); |
932 |
+ |
checkCompletedNormally(f, v1); |
933 |
+ |
assertEquals(1, a.get()); |
934 |
+ |
}} |
935 |
+ |
|
936 |
+ |
/** |
937 |
+ |
* whenComplete action executes on exceptional completion, propagating |
938 |
+ |
* source result. |
939 |
+ |
*/ |
940 |
+ |
public void testWhenComplete_exceptionalCompletion() { |
941 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
942 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
943 |
+ |
{ |
944 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
945 |
+ |
final CFException ex = new CFException(); |
946 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
947 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
948 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
949 |
+ |
(f, |
950 |
+ |
(Integer result, Throwable t) -> { |
951 |
+ |
m.checkExecutionMode(); |
952 |
+ |
threadAssertNull(result); |
953 |
+ |
threadAssertSame(t, ex); |
954 |
+ |
a.getAndIncrement(); |
955 |
+ |
}); |
956 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
957 |
+ |
|
958 |
+ |
checkCompletedWithWrappedException(g, ex); |
959 |
+ |
checkCompletedExceptionally(f, ex); |
960 |
+ |
assertEquals(1, a.get()); |
961 |
+ |
}} |
962 |
+ |
|
963 |
+ |
/** |
964 |
+ |
* whenComplete action executes on cancelled source, propagating |
965 |
+ |
* CancellationException. |
966 |
+ |
*/ |
967 |
+ |
public void testWhenComplete_sourceCancelled() { |
968 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
969 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
970 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
971 |
+ |
{ |
972 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
973 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
974 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
975 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
976 |
+ |
(f, |
977 |
+ |
(Integer result, Throwable t) -> { |
978 |
+ |
m.checkExecutionMode(); |
979 |
+ |
threadAssertNull(result); |
980 |
+ |
threadAssertTrue(t instanceof CancellationException); |
981 |
+ |
a.getAndIncrement(); |
982 |
+ |
}); |
983 |
+ |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
984 |
+ |
|
985 |
+ |
checkCompletedWithWrappedCancellationException(g); |
986 |
+ |
checkCancelled(f); |
987 |
+ |
assertEquals(1, a.get()); |
988 |
+ |
}} |
989 |
+ |
|
990 |
+ |
/** |
991 |
+ |
* If a whenComplete action throws an exception when triggered by |
992 |
+ |
* a normal completion, it completes exceptionally |
993 |
+ |
*/ |
994 |
+ |
public void testWhenComplete_sourceCompletedNormallyActionFailed() { |
995 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
996 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
997 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
998 |
+ |
{ |
999 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1000 |
+ |
final CFException ex = new CFException(); |
1001 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1002 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1003 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
1004 |
+ |
(f, |
1005 |
+ |
(Integer result, Throwable t) -> { |
1006 |
+ |
m.checkExecutionMode(); |
1007 |
+ |
threadAssertSame(result, v1); |
1008 |
+ |
threadAssertNull(t); |
1009 |
+ |
a.getAndIncrement(); |
1010 |
+ |
throw ex; |
1011 |
+ |
}); |
1012 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
1013 |
+ |
|
1014 |
+ |
checkCompletedWithWrappedException(g, ex); |
1015 |
+ |
checkCompletedNormally(f, v1); |
1016 |
+ |
assertEquals(1, a.get()); |
1017 |
+ |
}} |
1018 |
+ |
|
1019 |
+ |
/** |
1020 |
+ |
* If a whenComplete action throws an exception when triggered by |
1021 |
+ |
* a source completion that also throws an exception, the source |
1022 |
+ |
* exception takes precedence (unlike handle) |
1023 |
+ |
*/ |
1024 |
+ |
public void testWhenComplete_sourceFailedActionFailed() { |
1025 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1026 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1027 |
+ |
{ |
1028 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1029 |
+ |
final CFException ex1 = new CFException(); |
1030 |
+ |
final CFException ex2 = new CFException(); |
1031 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1032 |
+ |
|
1033 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
1034 |
+ |
final CompletableFuture<Integer> g = m.whenComplete |
1035 |
+ |
(f, |
1036 |
+ |
(Integer result, Throwable t) -> { |
1037 |
+ |
m.checkExecutionMode(); |
1038 |
+ |
threadAssertSame(t, ex1); |
1039 |
+ |
threadAssertNull(result); |
1040 |
+ |
a.getAndIncrement(); |
1041 |
+ |
throw ex2; |
1042 |
+ |
}); |
1043 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
1044 |
+ |
|
1045 |
+ |
checkCompletedWithWrappedException(g, ex1); |
1046 |
+ |
checkCompletedExceptionally(f, ex1); |
1047 |
+ |
if (testImplementationDetails) { |
1048 |
+ |
assertEquals(1, ex1.getSuppressed().length); |
1049 |
+ |
assertSame(ex2, ex1.getSuppressed()[0]); |
1050 |
+ |
} |
1051 |
+ |
assertEquals(1, a.get()); |
1052 |
+ |
}} |
1053 |
+ |
|
1054 |
+ |
/** |
1055 |
+ |
* handle action completes normally with function value on normal |
1056 |
+ |
* completion of source |
1057 |
+ |
*/ |
1058 |
+ |
public void testHandle_normalCompletion() { |
1059 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1060 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1061 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1062 |
+ |
{ |
1063 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1064 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1065 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1066 |
+ |
final CompletableFuture<Integer> g = m.handle |
1067 |
+ |
(f, |
1068 |
+ |
(Integer result, Throwable t) -> { |
1069 |
+ |
m.checkExecutionMode(); |
1070 |
+ |
threadAssertSame(result, v1); |
1071 |
+ |
threadAssertNull(t); |
1072 |
+ |
a.getAndIncrement(); |
1073 |
+ |
return inc(v1); |
1074 |
+ |
}); |
1075 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
1076 |
+ |
|
1077 |
+ |
checkCompletedNormally(g, inc(v1)); |
1078 |
+ |
checkCompletedNormally(f, v1); |
1079 |
+ |
assertEquals(1, a.get()); |
1080 |
+ |
}} |
1081 |
+ |
|
1082 |
+ |
/** |
1083 |
+ |
* handle action completes normally with function value on |
1084 |
+ |
* exceptional completion of source |
1085 |
+ |
*/ |
1086 |
+ |
public void testHandle_exceptionalCompletion() { |
1087 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1088 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1089 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1090 |
+ |
{ |
1091 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1092 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1093 |
+ |
final CFException ex = new CFException(); |
1094 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
1095 |
+ |
final CompletableFuture<Integer> g = m.handle |
1096 |
+ |
(f, |
1097 |
+ |
(Integer result, Throwable t) -> { |
1098 |
+ |
m.checkExecutionMode(); |
1099 |
+ |
threadAssertNull(result); |
1100 |
+ |
threadAssertSame(t, ex); |
1101 |
+ |
a.getAndIncrement(); |
1102 |
+ |
return v1; |
1103 |
+ |
}); |
1104 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
1105 |
+ |
|
1106 |
+ |
checkCompletedNormally(g, v1); |
1107 |
+ |
checkCompletedExceptionally(f, ex); |
1108 |
+ |
assertEquals(1, a.get()); |
1109 |
+ |
}} |
1110 |
+ |
|
1111 |
+ |
/** |
1112 |
+ |
* handle action completes normally with function value on |
1113 |
+ |
* cancelled source |
1114 |
+ |
*/ |
1115 |
+ |
public void testHandle_sourceCancelled() { |
1116 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1117 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1118 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1119 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1120 |
+ |
{ |
1121 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1122 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1123 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1124 |
+ |
final CompletableFuture<Integer> g = m.handle |
1125 |
+ |
(f, |
1126 |
+ |
(Integer result, Throwable t) -> { |
1127 |
+ |
m.checkExecutionMode(); |
1128 |
+ |
threadAssertNull(result); |
1129 |
+ |
threadAssertTrue(t instanceof CancellationException); |
1130 |
+ |
a.getAndIncrement(); |
1131 |
+ |
return v1; |
1132 |
+ |
}); |
1133 |
+ |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1134 |
+ |
|
1135 |
+ |
checkCompletedNormally(g, v1); |
1136 |
+ |
checkCancelled(f); |
1137 |
+ |
assertEquals(1, a.get()); |
1138 |
+ |
}} |
1139 |
+ |
|
1140 |
+ |
/** |
1141 |
+ |
* If a "handle action" throws an exception when triggered by |
1142 |
+ |
* a normal completion, it completes exceptionally |
1143 |
+ |
*/ |
1144 |
+ |
public void testHandle_sourceCompletedNormallyActionFailed() { |
1145 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1146 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1147 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1148 |
+ |
{ |
1149 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1150 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1151 |
+ |
final CFException ex = new CFException(); |
1152 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1153 |
+ |
final CompletableFuture<Integer> g = m.handle |
1154 |
+ |
(f, |
1155 |
+ |
(Integer result, Throwable t) -> { |
1156 |
+ |
m.checkExecutionMode(); |
1157 |
+ |
threadAssertSame(result, v1); |
1158 |
+ |
threadAssertNull(t); |
1159 |
+ |
a.getAndIncrement(); |
1160 |
+ |
throw ex; |
1161 |
+ |
}); |
1162 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
1163 |
+ |
|
1164 |
+ |
checkCompletedWithWrappedException(g, ex); |
1165 |
+ |
checkCompletedNormally(f, v1); |
1166 |
+ |
assertEquals(1, a.get()); |
1167 |
+ |
}} |
1168 |
+ |
|
1169 |
+ |
/** |
1170 |
+ |
* If a "handle action" throws an exception when triggered by |
1171 |
+ |
* a source completion that also throws an exception, the action |
1172 |
+ |
* exception takes precedence (unlike whenComplete) |
1173 |
+ |
*/ |
1174 |
+ |
public void testHandle_sourceFailedActionFailed() { |
1175 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
1176 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1177 |
+ |
{ |
1178 |
+ |
final AtomicInteger a = new AtomicInteger(0); |
1179 |
+ |
final CFException ex1 = new CFException(); |
1180 |
+ |
final CFException ex2 = new CFException(); |
1181 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1182 |
+ |
|
1183 |
+ |
if (!createIncomplete) f.completeExceptionally(ex1); |
1184 |
+ |
final CompletableFuture<Integer> g = m.handle |
1185 |
+ |
(f, |
1186 |
+ |
(Integer result, Throwable t) -> { |
1187 |
+ |
m.checkExecutionMode(); |
1188 |
+ |
threadAssertNull(result); |
1189 |
+ |
threadAssertSame(ex1, t); |
1190 |
+ |
a.getAndIncrement(); |
1191 |
+ |
throw ex2; |
1192 |
+ |
}); |
1193 |
+ |
if (createIncomplete) f.completeExceptionally(ex1); |
1194 |
+ |
|
1195 |
+ |
checkCompletedWithWrappedException(g, ex2); |
1196 |
+ |
checkCompletedExceptionally(f, ex1); |
1197 |
+ |
assertEquals(1, a.get()); |
1198 |
+ |
}} |
1199 |
+ |
|
1200 |
+ |
/** |
1201 |
+ |
* runAsync completes after running Runnable |
1202 |
+ |
*/ |
1203 |
+ |
public void testRunAsync_normalCompletion() { |
1204 |
+ |
ExecutionMode[] executionModes = { |
1205 |
+ |
ExecutionMode.ASYNC, |
1206 |
+ |
ExecutionMode.EXECUTOR, |
1207 |
+ |
}; |
1208 |
+ |
for (ExecutionMode m : executionModes) |
1209 |
+ |
{ |
1210 |
+ |
final Noop r = new Noop(m); |
1211 |
+ |
final CompletableFuture<Void> f = m.runAsync(r); |
1212 |
+ |
assertNull(f.join()); |
1213 |
+ |
checkCompletedNormally(f, null); |
1214 |
+ |
r.assertInvoked(); |
1215 |
+ |
}} |
1216 |
+ |
|
1217 |
+ |
/** |
1218 |
+ |
* failing runAsync completes exceptionally after running Runnable |
1219 |
+ |
*/ |
1220 |
+ |
public void testRunAsync_exceptionalCompletion() { |
1221 |
+ |
ExecutionMode[] executionModes = { |
1222 |
+ |
ExecutionMode.ASYNC, |
1223 |
+ |
ExecutionMode.EXECUTOR, |
1224 |
+ |
}; |
1225 |
+ |
for (ExecutionMode m : executionModes) |
1226 |
+ |
{ |
1227 |
+ |
final FailingRunnable r = new FailingRunnable(m); |
1228 |
+ |
final CompletableFuture<Void> f = m.runAsync(r); |
1229 |
+ |
checkCompletedWithWrappedCFException(f); |
1230 |
+ |
r.assertInvoked(); |
1231 |
+ |
}} |
1232 |
+ |
|
1233 |
+ |
/** |
1234 |
+ |
* supplyAsync completes with result of supplier |
1235 |
+ |
*/ |
1236 |
+ |
public void testSupplyAsync_normalCompletion() { |
1237 |
+ |
ExecutionMode[] executionModes = { |
1238 |
+ |
ExecutionMode.ASYNC, |
1239 |
+ |
ExecutionMode.EXECUTOR, |
1240 |
+ |
}; |
1241 |
+ |
for (ExecutionMode m : executionModes) |
1242 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1243 |
+ |
{ |
1244 |
+ |
final IntegerSupplier r = new IntegerSupplier(m, v1); |
1245 |
+ |
final CompletableFuture<Integer> f = m.supplyAsync(r); |
1246 |
+ |
assertSame(v1, f.join()); |
1247 |
+ |
checkCompletedNormally(f, v1); |
1248 |
+ |
r.assertInvoked(); |
1249 |
+ |
}} |
1250 |
+ |
|
1251 |
+ |
/** |
1252 |
+ |
* Failing supplyAsync completes exceptionally |
1253 |
+ |
*/ |
1254 |
+ |
public void testSupplyAsync_exceptionalCompletion() { |
1255 |
+ |
ExecutionMode[] executionModes = { |
1256 |
+ |
ExecutionMode.ASYNC, |
1257 |
+ |
ExecutionMode.EXECUTOR, |
1258 |
+ |
}; |
1259 |
+ |
for (ExecutionMode m : executionModes) |
1260 |
+ |
{ |
1261 |
+ |
FailingSupplier r = new FailingSupplier(m); |
1262 |
+ |
CompletableFuture<Integer> f = m.supplyAsync(r); |
1263 |
+ |
checkCompletedWithWrappedCFException(f); |
1264 |
+ |
r.assertInvoked(); |
1265 |
+ |
}} |
1266 |
+ |
|
1267 |
+ |
// seq completion methods |
1268 |
+ |
|
1269 |
+ |
/** |
1270 |
+ |
* thenRun result completes normally after normal completion of source |
1271 |
+ |
*/ |
1272 |
+ |
public void testThenRun_normalCompletion() { |
1273 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1274 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1275 |
+ |
{ |
1276 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1277 |
+ |
final Noop[] rs = new Noop[6]; |
1278 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1279 |
+ |
|
1280 |
+ |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1281 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1282 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1283 |
+ |
checkIncomplete(h0); |
1284 |
+ |
checkIncomplete(h1); |
1285 |
+ |
checkIncomplete(h2); |
1286 |
+ |
assertTrue(f.complete(v1)); |
1287 |
+ |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1288 |
+ |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1289 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1290 |
+ |
|
1291 |
+ |
checkCompletedNormally(h0, null); |
1292 |
+ |
checkCompletedNormally(h1, null); |
1293 |
+ |
checkCompletedNormally(h2, null); |
1294 |
+ |
checkCompletedNormally(h3, null); |
1295 |
+ |
checkCompletedNormally(h4, null); |
1296 |
+ |
checkCompletedNormally(h5, null); |
1297 |
+ |
checkCompletedNormally(f, v1); |
1298 |
+ |
for (Noop r : rs) r.assertInvoked(); |
1299 |
+ |
}} |
1300 |
+ |
|
1301 |
+ |
/** |
1302 |
+ |
* thenRun result completes exceptionally after exceptional |
1303 |
+ |
* completion of source |
1304 |
+ |
*/ |
1305 |
+ |
public void testThenRun_exceptionalCompletion() { |
1306 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1307 |
+ |
{ |
1308 |
+ |
final CFException ex = new CFException(); |
1309 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1310 |
+ |
final Noop[] rs = new Noop[6]; |
1311 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1312 |
+ |
|
1313 |
+ |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1314 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1315 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1316 |
+ |
checkIncomplete(h0); |
1317 |
+ |
checkIncomplete(h1); |
1318 |
+ |
checkIncomplete(h2); |
1319 |
+ |
assertTrue(f.completeExceptionally(ex)); |
1320 |
+ |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1321 |
+ |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1322 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1323 |
+ |
|
1324 |
+ |
checkCompletedWithWrappedException(h0, ex); |
1325 |
+ |
checkCompletedWithWrappedException(h1, ex); |
1326 |
+ |
checkCompletedWithWrappedException(h2, ex); |
1327 |
+ |
checkCompletedWithWrappedException(h3, ex); |
1328 |
+ |
checkCompletedWithWrappedException(h4, ex); |
1329 |
+ |
checkCompletedWithWrappedException(h5, ex); |
1330 |
+ |
checkCompletedExceptionally(f, ex); |
1331 |
+ |
for (Noop r : rs) r.assertNotInvoked(); |
1332 |
+ |
}} |
1333 |
+ |
|
1334 |
+ |
/** |
1335 |
+ |
* thenRun result completes exceptionally if source cancelled |
1336 |
+ |
*/ |
1337 |
+ |
public void testThenRun_sourceCancelled() { |
1338 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1339 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1340 |
+ |
{ |
1341 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1342 |
+ |
final Noop[] rs = new Noop[6]; |
1343 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1344 |
+ |
|
1345 |
+ |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1346 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1347 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1348 |
+ |
checkIncomplete(h0); |
1349 |
+ |
checkIncomplete(h1); |
1350 |
+ |
checkIncomplete(h2); |
1351 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1352 |
+ |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1353 |
+ |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1354 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1355 |
+ |
|
1356 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
1357 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1358 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1359 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1360 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
1361 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
1362 |
+ |
checkCancelled(f); |
1363 |
+ |
for (Noop r : rs) r.assertNotInvoked(); |
1364 |
+ |
}} |
1365 |
+ |
|
1366 |
+ |
/** |
1367 |
+ |
* thenRun result completes exceptionally if action does |
1368 |
+ |
*/ |
1369 |
+ |
public void testThenRun_actionFailed() { |
1370 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1371 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1372 |
+ |
{ |
1373 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1374 |
+ |
final FailingRunnable[] rs = new FailingRunnable[6]; |
1375 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); |
1376 |
+ |
|
1377 |
+ |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1378 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1379 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1380 |
+ |
assertTrue(f.complete(v1)); |
1381 |
+ |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1382 |
+ |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1383 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1384 |
+ |
|
1385 |
+ |
checkCompletedWithWrappedCFException(h0); |
1386 |
+ |
checkCompletedWithWrappedCFException(h1); |
1387 |
+ |
checkCompletedWithWrappedCFException(h2); |
1388 |
+ |
checkCompletedWithWrappedCFException(h3); |
1389 |
+ |
checkCompletedWithWrappedCFException(h4); |
1390 |
+ |
checkCompletedWithWrappedCFException(h5); |
1391 |
+ |
checkCompletedNormally(f, v1); |
1392 |
+ |
}} |
1393 |
+ |
|
1394 |
+ |
/** |
1395 |
+ |
* thenApply result completes normally after normal completion of source |
1396 |
+ |
*/ |
1397 |
+ |
public void testThenApply_normalCompletion() { |
1398 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1399 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1400 |
+ |
{ |
1401 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1402 |
+ |
final IncFunction[] rs = new IncFunction[4]; |
1403 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1404 |
+ |
|
1405 |
+ |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1406 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1407 |
+ |
checkIncomplete(h0); |
1408 |
+ |
checkIncomplete(h1); |
1409 |
+ |
assertTrue(f.complete(v1)); |
1410 |
+ |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1411 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1412 |
+ |
|
1413 |
+ |
checkCompletedNormally(h0, inc(v1)); |
1414 |
+ |
checkCompletedNormally(h1, inc(v1)); |
1415 |
+ |
checkCompletedNormally(h2, inc(v1)); |
1416 |
+ |
checkCompletedNormally(h3, inc(v1)); |
1417 |
+ |
checkCompletedNormally(f, v1); |
1418 |
+ |
for (IncFunction r : rs) r.assertValue(inc(v1)); |
1419 |
+ |
}} |
1420 |
+ |
|
1421 |
+ |
/** |
1422 |
+ |
* thenApply result completes exceptionally after exceptional |
1423 |
+ |
* completion of source |
1424 |
+ |
*/ |
1425 |
+ |
public void testThenApply_exceptionalCompletion() { |
1426 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1427 |
+ |
{ |
1428 |
+ |
final CFException ex = new CFException(); |
1429 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1430 |
+ |
final IncFunction[] rs = new IncFunction[4]; |
1431 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1432 |
+ |
|
1433 |
+ |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1434 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1435 |
+ |
assertTrue(f.completeExceptionally(ex)); |
1436 |
+ |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1437 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1438 |
+ |
|
1439 |
+ |
checkCompletedWithWrappedException(h0, ex); |
1440 |
+ |
checkCompletedWithWrappedException(h1, ex); |
1441 |
+ |
checkCompletedWithWrappedException(h2, ex); |
1442 |
+ |
checkCompletedWithWrappedException(h3, ex); |
1443 |
+ |
checkCompletedExceptionally(f, ex); |
1444 |
+ |
for (IncFunction r : rs) r.assertNotInvoked(); |
1445 |
+ |
}} |
1446 |
+ |
|
1447 |
+ |
/** |
1448 |
+ |
* thenApply result completes exceptionally if source cancelled |
1449 |
+ |
*/ |
1450 |
+ |
public void testThenApply_sourceCancelled() { |
1451 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1452 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1453 |
+ |
{ |
1454 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1455 |
+ |
final IncFunction[] rs = new IncFunction[4]; |
1456 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1457 |
+ |
|
1458 |
+ |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1459 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1460 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1461 |
+ |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1462 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1463 |
+ |
|
1464 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
1465 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1466 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1467 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1468 |
+ |
checkCancelled(f); |
1469 |
+ |
for (IncFunction r : rs) r.assertNotInvoked(); |
1470 |
+ |
}} |
1471 |
+ |
|
1472 |
+ |
/** |
1473 |
+ |
* thenApply result completes exceptionally if action does |
1474 |
+ |
*/ |
1475 |
+ |
public void testThenApply_actionFailed() { |
1476 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1477 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1478 |
+ |
{ |
1479 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1480 |
+ |
final FailingFunction[] rs = new FailingFunction[4]; |
1481 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
1482 |
+ |
|
1483 |
+ |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1484 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1485 |
+ |
assertTrue(f.complete(v1)); |
1486 |
+ |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1487 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1488 |
+ |
|
1489 |
+ |
checkCompletedWithWrappedCFException(h0); |
1490 |
+ |
checkCompletedWithWrappedCFException(h1); |
1491 |
+ |
checkCompletedWithWrappedCFException(h2); |
1492 |
+ |
checkCompletedWithWrappedCFException(h3); |
1493 |
+ |
checkCompletedNormally(f, v1); |
1494 |
+ |
}} |
1495 |
+ |
|
1496 |
+ |
/** |
1497 |
+ |
* thenAccept result completes normally after normal completion of source |
1498 |
+ |
*/ |
1499 |
+ |
public void testThenAccept_normalCompletion() { |
1500 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1501 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1502 |
+ |
{ |
1503 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1504 |
+ |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1505 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1506 |
+ |
|
1507 |
+ |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1508 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1509 |
+ |
checkIncomplete(h0); |
1510 |
+ |
checkIncomplete(h1); |
1511 |
+ |
assertTrue(f.complete(v1)); |
1512 |
+ |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1513 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1514 |
+ |
|
1515 |
+ |
checkCompletedNormally(h0, null); |
1516 |
+ |
checkCompletedNormally(h1, null); |
1517 |
+ |
checkCompletedNormally(h2, null); |
1518 |
+ |
checkCompletedNormally(h3, null); |
1519 |
+ |
checkCompletedNormally(f, v1); |
1520 |
+ |
for (NoopConsumer r : rs) r.assertValue(v1); |
1521 |
+ |
}} |
1522 |
+ |
|
1523 |
+ |
/** |
1524 |
+ |
* thenAccept result completes exceptionally after exceptional |
1525 |
+ |
* completion of source |
1526 |
+ |
*/ |
1527 |
+ |
public void testThenAccept_exceptionalCompletion() { |
1528 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1529 |
+ |
{ |
1530 |
+ |
final CFException ex = new CFException(); |
1531 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1532 |
+ |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1533 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1534 |
+ |
|
1535 |
+ |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1536 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1537 |
+ |
assertTrue(f.completeExceptionally(ex)); |
1538 |
+ |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1539 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1540 |
+ |
|
1541 |
+ |
checkCompletedWithWrappedException(h0, ex); |
1542 |
+ |
checkCompletedWithWrappedException(h1, ex); |
1543 |
+ |
checkCompletedWithWrappedException(h2, ex); |
1544 |
+ |
checkCompletedWithWrappedException(h3, ex); |
1545 |
+ |
checkCompletedExceptionally(f, ex); |
1546 |
+ |
for (NoopConsumer r : rs) r.assertNotInvoked(); |
1547 |
+ |
}} |
1548 |
+ |
|
1549 |
+ |
/** |
1550 |
+ |
* thenAccept result completes exceptionally if source cancelled |
1551 |
+ |
*/ |
1552 |
+ |
public void testThenAccept_sourceCancelled() { |
1553 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1554 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1555 |
+ |
{ |
1556 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1557 |
+ |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1558 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1559 |
+ |
|
1560 |
+ |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1561 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1562 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1563 |
+ |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1564 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1565 |
+ |
|
1566 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
1567 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1568 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1569 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1570 |
+ |
checkCancelled(f); |
1571 |
+ |
for (NoopConsumer r : rs) r.assertNotInvoked(); |
1572 |
+ |
}} |
1573 |
+ |
|
1574 |
+ |
/** |
1575 |
+ |
* thenAccept result completes exceptionally if action does |
1576 |
+ |
*/ |
1577 |
+ |
public void testThenAccept_actionFailed() { |
1578 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1579 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1580 |
+ |
{ |
1581 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1582 |
+ |
final FailingConsumer[] rs = new FailingConsumer[4]; |
1583 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
1584 |
+ |
|
1585 |
+ |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1586 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1587 |
+ |
assertTrue(f.complete(v1)); |
1588 |
+ |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1589 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1590 |
+ |
|
1591 |
+ |
checkCompletedWithWrappedCFException(h0); |
1592 |
+ |
checkCompletedWithWrappedCFException(h1); |
1593 |
+ |
checkCompletedWithWrappedCFException(h2); |
1594 |
+ |
checkCompletedWithWrappedCFException(h3); |
1595 |
+ |
checkCompletedNormally(f, v1); |
1596 |
+ |
}} |
1597 |
+ |
|
1598 |
+ |
/** |
1599 |
+ |
* thenCombine result completes normally after normal completion |
1600 |
+ |
* of sources |
1601 |
+ |
*/ |
1602 |
+ |
public void testThenCombine_normalCompletion() { |
1603 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1604 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1605 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1606 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1607 |
+ |
{ |
1608 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1609 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1610 |
+ |
final SubtractFunction[] rs = new SubtractFunction[6]; |
1611 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m); |
1612 |
+ |
|
1613 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1614 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1615 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
1616 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
1617 |
+ |
|
1618 |
+ |
final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]); |
1619 |
+ |
final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]); |
1620 |
+ |
assertTrue(fst.complete(w1)); |
1621 |
+ |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]); |
1622 |
+ |
final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]); |
1623 |
+ |
checkIncomplete(h0); rs[0].assertNotInvoked(); |
1624 |
+ |
checkIncomplete(h2); rs[2].assertNotInvoked(); |
1625 |
+ |
checkCompletedNormally(h1, subtract(w1, w1)); |
1626 |
+ |
checkCompletedNormally(h3, subtract(w1, w1)); |
1627 |
+ |
rs[1].assertValue(subtract(w1, w1)); |
1628 |
+ |
rs[3].assertValue(subtract(w1, w1)); |
1629 |
+ |
assertTrue(snd.complete(w2)); |
1630 |
+ |
final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]); |
1631 |
+ |
|
1632 |
+ |
checkCompletedNormally(h0, subtract(v1, v2)); |
1633 |
+ |
checkCompletedNormally(h2, subtract(v1, v2)); |
1634 |
+ |
checkCompletedNormally(h4, subtract(v1, v2)); |
1635 |
+ |
rs[0].assertValue(subtract(v1, v2)); |
1636 |
+ |
rs[2].assertValue(subtract(v1, v2)); |
1637 |
+ |
rs[4].assertValue(subtract(v1, v2)); |
1638 |
+ |
|
1639 |
+ |
checkCompletedNormally(f, v1); |
1640 |
+ |
checkCompletedNormally(g, v2); |
1641 |
+ |
}} |
1642 |
+ |
|
1643 |
+ |
/** |
1644 |
+ |
* thenCombine result completes exceptionally after exceptional |
1645 |
+ |
* completion of either source |
1646 |
+ |
*/ |
1647 |
+ |
public void testThenCombine_exceptionalCompletion() throws Throwable { |
1648 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1649 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1650 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
1651 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1652 |
+ |
{ |
1653 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1654 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1655 |
+ |
final CFException ex = new CFException(); |
1656 |
+ |
final SubtractFunction r1 = new SubtractFunction(m); |
1657 |
+ |
final SubtractFunction r2 = new SubtractFunction(m); |
1658 |
+ |
final SubtractFunction r3 = new SubtractFunction(m); |
1659 |
+ |
|
1660 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1661 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1662 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
1663 |
+ |
() -> fst.completeExceptionally(ex) : |
1664 |
+ |
() -> fst.complete(v1); |
1665 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
1666 |
+ |
() -> snd.complete(v1) : |
1667 |
+ |
() -> snd.completeExceptionally(ex); |
1668 |
+ |
|
1669 |
+ |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1670 |
+ |
assertTrue(complete1.call()); |
1671 |
+ |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1672 |
+ |
checkIncomplete(h1); |
1673 |
+ |
checkIncomplete(h2); |
1674 |
+ |
assertTrue(complete2.call()); |
1675 |
+ |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1676 |
+ |
|
1677 |
+ |
checkCompletedWithWrappedException(h1, ex); |
1678 |
+ |
checkCompletedWithWrappedException(h2, ex); |
1679 |
+ |
checkCompletedWithWrappedException(h3, ex); |
1680 |
+ |
r1.assertNotInvoked(); |
1681 |
+ |
r2.assertNotInvoked(); |
1682 |
+ |
r3.assertNotInvoked(); |
1683 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1684 |
+ |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
1685 |
+ |
}} |
1686 |
+ |
|
1687 |
+ |
/** |
1688 |
+ |
* thenCombine result completes exceptionally if either source cancelled |
1689 |
+ |
*/ |
1690 |
+ |
public void testThenCombine_sourceCancelled() throws Throwable { |
1691 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1692 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1693 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1694 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
1695 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1696 |
+ |
{ |
1697 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1698 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1699 |
+ |
final SubtractFunction r1 = new SubtractFunction(m); |
1700 |
+ |
final SubtractFunction r2 = new SubtractFunction(m); |
1701 |
+ |
final SubtractFunction r3 = new SubtractFunction(m); |
1702 |
+ |
|
1703 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1704 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1705 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
1706 |
+ |
() -> fst.cancel(mayInterruptIfRunning) : |
1707 |
+ |
() -> fst.complete(v1); |
1708 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
1709 |
+ |
() -> snd.complete(v1) : |
1710 |
+ |
() -> snd.cancel(mayInterruptIfRunning); |
1711 |
+ |
|
1712 |
+ |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1713 |
+ |
assertTrue(complete1.call()); |
1714 |
+ |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1715 |
+ |
checkIncomplete(h1); |
1716 |
+ |
checkIncomplete(h2); |
1717 |
+ |
assertTrue(complete2.call()); |
1718 |
+ |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1719 |
+ |
|
1720 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1721 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1722 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1723 |
+ |
r1.assertNotInvoked(); |
1724 |
+ |
r2.assertNotInvoked(); |
1725 |
+ |
r3.assertNotInvoked(); |
1726 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1727 |
+ |
checkCancelled(failFirst ? fst : snd); |
1728 |
+ |
}} |
1729 |
+ |
|
1730 |
+ |
/** |
1731 |
+ |
* thenCombine result completes exceptionally if action does |
1732 |
+ |
*/ |
1733 |
+ |
public void testThenCombine_actionFailed() { |
1734 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1735 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1736 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1737 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1738 |
+ |
{ |
1739 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1740 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1741 |
+ |
final FailingBiFunction r1 = new FailingBiFunction(m); |
1742 |
+ |
final FailingBiFunction r2 = new FailingBiFunction(m); |
1743 |
+ |
final FailingBiFunction r3 = new FailingBiFunction(m); |
1744 |
+ |
|
1745 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1746 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1747 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
1748 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
1749 |
+ |
|
1750 |
+ |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1751 |
+ |
assertTrue(fst.complete(w1)); |
1752 |
+ |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1753 |
+ |
assertTrue(snd.complete(w2)); |
1754 |
+ |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1755 |
+ |
|
1756 |
+ |
checkCompletedWithWrappedCFException(h1); |
1757 |
+ |
checkCompletedWithWrappedCFException(h2); |
1758 |
+ |
checkCompletedWithWrappedCFException(h3); |
1759 |
+ |
r1.assertInvoked(); |
1760 |
+ |
r2.assertInvoked(); |
1761 |
+ |
r3.assertInvoked(); |
1762 |
+ |
checkCompletedNormally(f, v1); |
1763 |
+ |
checkCompletedNormally(g, v2); |
1764 |
+ |
}} |
1765 |
+ |
|
1766 |
+ |
/** |
1767 |
+ |
* thenAcceptBoth result completes normally after normal |
1768 |
+ |
* completion of sources |
1769 |
+ |
*/ |
1770 |
+ |
public void testThenAcceptBoth_normalCompletion() { |
1771 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1772 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1773 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1774 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1775 |
+ |
{ |
1776 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1777 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1778 |
+ |
final SubtractAction r1 = new SubtractAction(m); |
1779 |
+ |
final SubtractAction r2 = new SubtractAction(m); |
1780 |
+ |
final SubtractAction r3 = new SubtractAction(m); |
1781 |
+ |
|
1782 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1783 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1784 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
1785 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
1786 |
+ |
|
1787 |
+ |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1788 |
+ |
assertTrue(fst.complete(w1)); |
1789 |
+ |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1790 |
+ |
checkIncomplete(h1); |
1791 |
+ |
checkIncomplete(h2); |
1792 |
+ |
r1.assertNotInvoked(); |
1793 |
+ |
r2.assertNotInvoked(); |
1794 |
+ |
assertTrue(snd.complete(w2)); |
1795 |
+ |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1796 |
+ |
|
1797 |
+ |
checkCompletedNormally(h1, null); |
1798 |
+ |
checkCompletedNormally(h2, null); |
1799 |
+ |
checkCompletedNormally(h3, null); |
1800 |
+ |
r1.assertValue(subtract(v1, v2)); |
1801 |
+ |
r2.assertValue(subtract(v1, v2)); |
1802 |
+ |
r3.assertValue(subtract(v1, v2)); |
1803 |
+ |
checkCompletedNormally(f, v1); |
1804 |
+ |
checkCompletedNormally(g, v2); |
1805 |
+ |
}} |
1806 |
+ |
|
1807 |
+ |
/** |
1808 |
+ |
* thenAcceptBoth result completes exceptionally after exceptional |
1809 |
+ |
* completion of either source |
1810 |
+ |
*/ |
1811 |
+ |
public void testThenAcceptBoth_exceptionalCompletion() throws Throwable { |
1812 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1813 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1814 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
1815 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1816 |
+ |
{ |
1817 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1818 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1819 |
+ |
final CFException ex = new CFException(); |
1820 |
+ |
final SubtractAction r1 = new SubtractAction(m); |
1821 |
+ |
final SubtractAction r2 = new SubtractAction(m); |
1822 |
+ |
final SubtractAction r3 = new SubtractAction(m); |
1823 |
+ |
|
1824 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1825 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1826 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
1827 |
+ |
() -> fst.completeExceptionally(ex) : |
1828 |
+ |
() -> fst.complete(v1); |
1829 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
1830 |
+ |
() -> snd.complete(v1) : |
1831 |
+ |
() -> snd.completeExceptionally(ex); |
1832 |
+ |
|
1833 |
+ |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1834 |
+ |
assertTrue(complete1.call()); |
1835 |
+ |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1836 |
+ |
checkIncomplete(h1); |
1837 |
+ |
checkIncomplete(h2); |
1838 |
+ |
assertTrue(complete2.call()); |
1839 |
+ |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1840 |
+ |
|
1841 |
+ |
checkCompletedWithWrappedException(h1, ex); |
1842 |
+ |
checkCompletedWithWrappedException(h2, ex); |
1843 |
+ |
checkCompletedWithWrappedException(h3, ex); |
1844 |
+ |
r1.assertNotInvoked(); |
1845 |
+ |
r2.assertNotInvoked(); |
1846 |
+ |
r3.assertNotInvoked(); |
1847 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1848 |
+ |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
1849 |
+ |
}} |
1850 |
+ |
|
1851 |
+ |
/** |
1852 |
+ |
* thenAcceptBoth result completes exceptionally if either source cancelled |
1853 |
+ |
*/ |
1854 |
+ |
public void testThenAcceptBoth_sourceCancelled() throws Throwable { |
1855 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1856 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1857 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1858 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
1859 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1860 |
+ |
{ |
1861 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1862 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1863 |
+ |
final SubtractAction r1 = new SubtractAction(m); |
1864 |
+ |
final SubtractAction r2 = new SubtractAction(m); |
1865 |
+ |
final SubtractAction r3 = new SubtractAction(m); |
1866 |
+ |
|
1867 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1868 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1869 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
1870 |
+ |
() -> fst.cancel(mayInterruptIfRunning) : |
1871 |
+ |
() -> fst.complete(v1); |
1872 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
1873 |
+ |
() -> snd.complete(v1) : |
1874 |
+ |
() -> snd.cancel(mayInterruptIfRunning); |
1875 |
+ |
|
1876 |
+ |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1877 |
+ |
assertTrue(complete1.call()); |
1878 |
+ |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1879 |
+ |
checkIncomplete(h1); |
1880 |
+ |
checkIncomplete(h2); |
1881 |
+ |
assertTrue(complete2.call()); |
1882 |
+ |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1883 |
+ |
|
1884 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
1885 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
1886 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
1887 |
+ |
r1.assertNotInvoked(); |
1888 |
+ |
r2.assertNotInvoked(); |
1889 |
+ |
r3.assertNotInvoked(); |
1890 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1891 |
+ |
checkCancelled(failFirst ? fst : snd); |
1892 |
+ |
}} |
1893 |
+ |
|
1894 |
+ |
/** |
1895 |
+ |
* thenAcceptBoth result completes exceptionally if action does |
1896 |
+ |
*/ |
1897 |
+ |
public void testThenAcceptBoth_actionFailed() { |
1898 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1899 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1900 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1901 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1902 |
+ |
{ |
1903 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1904 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1905 |
+ |
final FailingBiConsumer r1 = new FailingBiConsumer(m); |
1906 |
+ |
final FailingBiConsumer r2 = new FailingBiConsumer(m); |
1907 |
+ |
final FailingBiConsumer r3 = new FailingBiConsumer(m); |
1908 |
+ |
|
1909 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1910 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1911 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
1912 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
1913 |
+ |
|
1914 |
+ |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1915 |
+ |
assertTrue(fst.complete(w1)); |
1916 |
+ |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1917 |
+ |
assertTrue(snd.complete(w2)); |
1918 |
+ |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1919 |
+ |
|
1920 |
+ |
checkCompletedWithWrappedCFException(h1); |
1921 |
+ |
checkCompletedWithWrappedCFException(h2); |
1922 |
+ |
checkCompletedWithWrappedCFException(h3); |
1923 |
+ |
r1.assertInvoked(); |
1924 |
+ |
r2.assertInvoked(); |
1925 |
+ |
r3.assertInvoked(); |
1926 |
+ |
checkCompletedNormally(f, v1); |
1927 |
+ |
checkCompletedNormally(g, v2); |
1928 |
+ |
}} |
1929 |
+ |
|
1930 |
+ |
/** |
1931 |
+ |
* runAfterBoth result completes normally after normal |
1932 |
+ |
* completion of sources |
1933 |
+ |
*/ |
1934 |
+ |
public void testRunAfterBoth_normalCompletion() { |
1935 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1936 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1937 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1938 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
1939 |
+ |
{ |
1940 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1941 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1942 |
+ |
final Noop r1 = new Noop(m); |
1943 |
+ |
final Noop r2 = new Noop(m); |
1944 |
+ |
final Noop r3 = new Noop(m); |
1945 |
+ |
|
1946 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1947 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1948 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
1949 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
1950 |
+ |
|
1951 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
1952 |
+ |
assertTrue(fst.complete(w1)); |
1953 |
+ |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
1954 |
+ |
checkIncomplete(h1); |
1955 |
+ |
checkIncomplete(h2); |
1956 |
+ |
r1.assertNotInvoked(); |
1957 |
+ |
r2.assertNotInvoked(); |
1958 |
+ |
assertTrue(snd.complete(w2)); |
1959 |
+ |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
1960 |
+ |
|
1961 |
+ |
checkCompletedNormally(h1, null); |
1962 |
+ |
checkCompletedNormally(h2, null); |
1963 |
+ |
checkCompletedNormally(h3, null); |
1964 |
+ |
r1.assertInvoked(); |
1965 |
+ |
r2.assertInvoked(); |
1966 |
+ |
r3.assertInvoked(); |
1967 |
+ |
checkCompletedNormally(f, v1); |
1968 |
+ |
checkCompletedNormally(g, v2); |
1969 |
+ |
}} |
1970 |
+ |
|
1971 |
+ |
/** |
1972 |
+ |
* runAfterBoth result completes exceptionally after exceptional |
1973 |
+ |
* completion of either source |
1974 |
+ |
*/ |
1975 |
+ |
public void testRunAfterBoth_exceptionalCompletion() throws Throwable { |
1976 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
1977 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
1978 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
1979 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
1980 |
+ |
{ |
1981 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1982 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1983 |
+ |
final CFException ex = new CFException(); |
1984 |
+ |
final Noop r1 = new Noop(m); |
1985 |
+ |
final Noop r2 = new Noop(m); |
1986 |
+ |
final Noop r3 = new Noop(m); |
1987 |
+ |
|
1988 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1989 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1990 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
1991 |
+ |
() -> fst.completeExceptionally(ex) : |
1992 |
+ |
() -> fst.complete(v1); |
1993 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
1994 |
+ |
() -> snd.complete(v1) : |
1995 |
+ |
() -> snd.completeExceptionally(ex); |
1996 |
+ |
|
1997 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
1998 |
+ |
assertTrue(complete1.call()); |
1999 |
+ |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2000 |
+ |
checkIncomplete(h1); |
2001 |
+ |
checkIncomplete(h2); |
2002 |
+ |
assertTrue(complete2.call()); |
2003 |
+ |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2004 |
+ |
|
2005 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2006 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2007 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2008 |
+ |
r1.assertNotInvoked(); |
2009 |
+ |
r2.assertNotInvoked(); |
2010 |
+ |
r3.assertNotInvoked(); |
2011 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
2012 |
+ |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
2013 |
+ |
}} |
2014 |
+ |
|
2015 |
+ |
/** |
2016 |
+ |
* runAfterBoth result completes exceptionally if either source cancelled |
2017 |
+ |
*/ |
2018 |
+ |
public void testRunAfterBoth_sourceCancelled() throws Throwable { |
2019 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2020 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2021 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2022 |
+ |
for (boolean failFirst : new boolean[] { true, false }) |
2023 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2024 |
+ |
{ |
2025 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2026 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2027 |
+ |
final Noop r1 = new Noop(m); |
2028 |
+ |
final Noop r2 = new Noop(m); |
2029 |
+ |
final Noop r3 = new Noop(m); |
2030 |
+ |
|
2031 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
2032 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
2033 |
+ |
final Callable<Boolean> complete1 = failFirst ? |
2034 |
+ |
() -> fst.cancel(mayInterruptIfRunning) : |
2035 |
+ |
() -> fst.complete(v1); |
2036 |
+ |
final Callable<Boolean> complete2 = failFirst ? |
2037 |
+ |
() -> snd.complete(v1) : |
2038 |
+ |
() -> snd.cancel(mayInterruptIfRunning); |
2039 |
+ |
|
2040 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
2041 |
+ |
assertTrue(complete1.call()); |
2042 |
+ |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2043 |
+ |
checkIncomplete(h1); |
2044 |
+ |
checkIncomplete(h2); |
2045 |
+ |
assertTrue(complete2.call()); |
2046 |
+ |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2047 |
+ |
|
2048 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2049 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2050 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2051 |
+ |
r1.assertNotInvoked(); |
2052 |
+ |
r2.assertNotInvoked(); |
2053 |
+ |
r3.assertNotInvoked(); |
2054 |
+ |
checkCompletedNormally(failFirst ? snd : fst, v1); |
2055 |
+ |
checkCancelled(failFirst ? fst : snd); |
2056 |
+ |
}} |
2057 |
+ |
|
2058 |
+ |
/** |
2059 |
+ |
* runAfterBoth result completes exceptionally if action does |
2060 |
+ |
*/ |
2061 |
+ |
public void testRunAfterBoth_actionFailed() { |
2062 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2063 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2064 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2065 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2066 |
+ |
{ |
2067 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2068 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2069 |
+ |
final FailingRunnable r1 = new FailingRunnable(m); |
2070 |
+ |
final FailingRunnable r2 = new FailingRunnable(m); |
2071 |
+ |
final FailingRunnable r3 = new FailingRunnable(m); |
2072 |
+ |
|
2073 |
+ |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
2074 |
+ |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
2075 |
+ |
final Integer w1 = fFirst ? v1 : v2; |
2076 |
+ |
final Integer w2 = !fFirst ? v1 : v2; |
2077 |
+ |
|
2078 |
+ |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
2079 |
+ |
assertTrue(fst.complete(w1)); |
2080 |
+ |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2081 |
+ |
assertTrue(snd.complete(w2)); |
2082 |
+ |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2083 |
+ |
|
2084 |
+ |
checkCompletedWithWrappedCFException(h1); |
2085 |
+ |
checkCompletedWithWrappedCFException(h2); |
2086 |
+ |
checkCompletedWithWrappedCFException(h3); |
2087 |
+ |
r1.assertInvoked(); |
2088 |
+ |
r2.assertInvoked(); |
2089 |
+ |
r3.assertInvoked(); |
2090 |
+ |
checkCompletedNormally(f, v1); |
2091 |
+ |
checkCompletedNormally(g, v2); |
2092 |
+ |
}} |
2093 |
+ |
|
2094 |
+ |
/** |
2095 |
+ |
* applyToEither result completes normally after normal completion |
2096 |
+ |
* of either source |
2097 |
+ |
*/ |
2098 |
+ |
public void testApplyToEither_normalCompletion() { |
2099 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2100 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2101 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2102 |
+ |
{ |
2103 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2104 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2105 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
2106 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2107 |
+ |
|
2108 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2109 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2110 |
+ |
checkIncomplete(h0); |
2111 |
+ |
checkIncomplete(h1); |
2112 |
+ |
rs[0].assertNotInvoked(); |
2113 |
+ |
rs[1].assertNotInvoked(); |
2114 |
+ |
f.complete(v1); |
2115 |
+ |
checkCompletedNormally(h0, inc(v1)); |
2116 |
+ |
checkCompletedNormally(h1, inc(v1)); |
2117 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2118 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2119 |
+ |
checkCompletedNormally(h2, inc(v1)); |
2120 |
+ |
checkCompletedNormally(h3, inc(v1)); |
2121 |
+ |
g.complete(v2); |
2122 |
+ |
|
2123 |
+ |
// unspecified behavior - both source completions available |
2124 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2125 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2126 |
+ |
rs[4].assertValue(h4.join()); |
2127 |
+ |
rs[5].assertValue(h5.join()); |
2128 |
+ |
assertTrue(Objects.equals(inc(v1), h4.join()) || |
2129 |
+ |
Objects.equals(inc(v2), h4.join())); |
2130 |
+ |
assertTrue(Objects.equals(inc(v1), h5.join()) || |
2131 |
+ |
Objects.equals(inc(v2), h5.join())); |
2132 |
+ |
|
2133 |
+ |
checkCompletedNormally(f, v1); |
2134 |
+ |
checkCompletedNormally(g, v2); |
2135 |
+ |
checkCompletedNormally(h0, inc(v1)); |
2136 |
+ |
checkCompletedNormally(h1, inc(v1)); |
2137 |
+ |
checkCompletedNormally(h2, inc(v1)); |
2138 |
+ |
checkCompletedNormally(h3, inc(v1)); |
2139 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); |
2140 |
+ |
}} |
2141 |
+ |
|
2142 |
+ |
/** |
2143 |
+ |
* applyToEither result completes exceptionally after exceptional |
2144 |
+ |
* completion of either source |
2145 |
+ |
*/ |
2146 |
+ |
public void testApplyToEither_exceptionalCompletion() { |
2147 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2148 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2149 |
+ |
{ |
2150 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2151 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2152 |
+ |
final CFException ex = new CFException(); |
2153 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
2154 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2155 |
+ |
|
2156 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2157 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2158 |
+ |
checkIncomplete(h0); |
2159 |
+ |
checkIncomplete(h1); |
2160 |
+ |
rs[0].assertNotInvoked(); |
2161 |
+ |
rs[1].assertNotInvoked(); |
2162 |
+ |
f.completeExceptionally(ex); |
2163 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2164 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2165 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2166 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2167 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2168 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2169 |
+ |
g.complete(v1); |
2170 |
+ |
|
2171 |
+ |
// unspecified behavior - both source completions available |
2172 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2173 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2174 |
+ |
try { |
2175 |
+ |
assertEquals(inc(v1), h4.join()); |
2176 |
+ |
rs[4].assertValue(inc(v1)); |
2177 |
+ |
} catch (CompletionException ok) { |
2178 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2179 |
+ |
rs[4].assertNotInvoked(); |
2180 |
+ |
} |
2181 |
+ |
try { |
2182 |
+ |
assertEquals(inc(v1), h5.join()); |
2183 |
+ |
rs[5].assertValue(inc(v1)); |
2184 |
+ |
} catch (CompletionException ok) { |
2185 |
+ |
checkCompletedWithWrappedException(h5, ex); |
2186 |
+ |
rs[5].assertNotInvoked(); |
2187 |
+ |
} |
2188 |
+ |
|
2189 |
+ |
checkCompletedExceptionally(f, ex); |
2190 |
+ |
checkCompletedNormally(g, v1); |
2191 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2192 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2193 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2194 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2195 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2196 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2197 |
+ |
}} |
2198 |
+ |
|
2199 |
+ |
public void testApplyToEither_exceptionalCompletion2() { |
2200 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2201 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2202 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2203 |
+ |
{ |
2204 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2205 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2206 |
+ |
final CFException ex = new CFException(); |
2207 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
2208 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2209 |
+ |
|
2210 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2211 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2212 |
+ |
assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2213 |
+ |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2214 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2215 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2216 |
+ |
|
2217 |
+ |
// unspecified behavior - both source completions available |
2218 |
+ |
try { |
2219 |
+ |
assertEquals(inc(v1), h0.join()); |
2220 |
+ |
rs[0].assertValue(inc(v1)); |
2221 |
+ |
} catch (CompletionException ok) { |
2222 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2223 |
+ |
rs[0].assertNotInvoked(); |
2224 |
+ |
} |
2225 |
+ |
try { |
2226 |
+ |
assertEquals(inc(v1), h1.join()); |
2227 |
+ |
rs[1].assertValue(inc(v1)); |
2228 |
+ |
} catch (CompletionException ok) { |
2229 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2230 |
+ |
rs[1].assertNotInvoked(); |
2231 |
+ |
} |
2232 |
+ |
try { |
2233 |
+ |
assertEquals(inc(v1), h2.join()); |
2234 |
+ |
rs[2].assertValue(inc(v1)); |
2235 |
+ |
} catch (CompletionException ok) { |
2236 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2237 |
+ |
rs[2].assertNotInvoked(); |
2238 |
+ |
} |
2239 |
+ |
try { |
2240 |
+ |
assertEquals(inc(v1), h3.join()); |
2241 |
+ |
rs[3].assertValue(inc(v1)); |
2242 |
+ |
} catch (CompletionException ok) { |
2243 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2244 |
+ |
rs[3].assertNotInvoked(); |
2245 |
+ |
} |
2246 |
+ |
|
2247 |
+ |
checkCompletedNormally(f, v1); |
2248 |
+ |
checkCompletedExceptionally(g, ex); |
2249 |
+ |
}} |
2250 |
+ |
|
2251 |
+ |
/** |
2252 |
+ |
* applyToEither result completes exceptionally if either source cancelled |
2253 |
+ |
*/ |
2254 |
+ |
public void testApplyToEither_sourceCancelled() { |
2255 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2256 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2257 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2258 |
+ |
{ |
2259 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2260 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2261 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
2262 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2263 |
+ |
|
2264 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2265 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2266 |
+ |
checkIncomplete(h0); |
2267 |
+ |
checkIncomplete(h1); |
2268 |
+ |
rs[0].assertNotInvoked(); |
2269 |
+ |
rs[1].assertNotInvoked(); |
2270 |
+ |
f.cancel(mayInterruptIfRunning); |
2271 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2272 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2273 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2274 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2275 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2276 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2277 |
+ |
g.complete(v1); |
2278 |
+ |
|
2279 |
+ |
// unspecified behavior - both source completions available |
2280 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2281 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2282 |
+ |
try { |
2283 |
+ |
assertEquals(inc(v1), h4.join()); |
2284 |
+ |
rs[4].assertValue(inc(v1)); |
2285 |
+ |
} catch (CompletionException ok) { |
2286 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
2287 |
+ |
rs[4].assertNotInvoked(); |
2288 |
+ |
} |
2289 |
+ |
try { |
2290 |
+ |
assertEquals(inc(v1), h5.join()); |
2291 |
+ |
rs[5].assertValue(inc(v1)); |
2292 |
+ |
} catch (CompletionException ok) { |
2293 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
2294 |
+ |
rs[5].assertNotInvoked(); |
2295 |
+ |
} |
2296 |
+ |
|
2297 |
+ |
checkCancelled(f); |
2298 |
+ |
checkCompletedNormally(g, v1); |
2299 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2300 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2301 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2302 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2303 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2304 |
+ |
}} |
2305 |
+ |
|
2306 |
+ |
public void testApplyToEither_sourceCancelled2() { |
2307 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2308 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2309 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2310 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2311 |
+ |
{ |
2312 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2313 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2314 |
+ |
final IncFunction[] rs = new IncFunction[6]; |
2315 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2316 |
+ |
|
2317 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2318 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2319 |
+ |
assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); |
2320 |
+ |
assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); |
2321 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2322 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2323 |
+ |
|
2324 |
+ |
// unspecified behavior - both source completions available |
2325 |
+ |
try { |
2326 |
+ |
assertEquals(inc(v1), h0.join()); |
2327 |
+ |
rs[0].assertValue(inc(v1)); |
2328 |
+ |
} catch (CompletionException ok) { |
2329 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2330 |
+ |
rs[0].assertNotInvoked(); |
2331 |
+ |
} |
2332 |
+ |
try { |
2333 |
+ |
assertEquals(inc(v1), h1.join()); |
2334 |
+ |
rs[1].assertValue(inc(v1)); |
2335 |
+ |
} catch (CompletionException ok) { |
2336 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2337 |
+ |
rs[1].assertNotInvoked(); |
2338 |
+ |
} |
2339 |
+ |
try { |
2340 |
+ |
assertEquals(inc(v1), h2.join()); |
2341 |
+ |
rs[2].assertValue(inc(v1)); |
2342 |
+ |
} catch (CompletionException ok) { |
2343 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2344 |
+ |
rs[2].assertNotInvoked(); |
2345 |
+ |
} |
2346 |
+ |
try { |
2347 |
+ |
assertEquals(inc(v1), h3.join()); |
2348 |
+ |
rs[3].assertValue(inc(v1)); |
2349 |
+ |
} catch (CompletionException ok) { |
2350 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2351 |
+ |
rs[3].assertNotInvoked(); |
2352 |
+ |
} |
2353 |
+ |
|
2354 |
+ |
checkCompletedNormally(f, v1); |
2355 |
+ |
checkCancelled(g); |
2356 |
+ |
}} |
2357 |
+ |
|
2358 |
+ |
/** |
2359 |
+ |
* applyToEither result completes exceptionally if action does |
2360 |
+ |
*/ |
2361 |
+ |
public void testApplyToEither_actionFailed() { |
2362 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2363 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2364 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2365 |
+ |
{ |
2366 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2367 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2368 |
+ |
final FailingFunction[] rs = new FailingFunction[6]; |
2369 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
2370 |
+ |
|
2371 |
+ |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2372 |
+ |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2373 |
+ |
f.complete(v1); |
2374 |
+ |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2375 |
+ |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2376 |
+ |
checkCompletedWithWrappedCFException(h0); |
2377 |
+ |
checkCompletedWithWrappedCFException(h1); |
2378 |
+ |
checkCompletedWithWrappedCFException(h2); |
2379 |
+ |
checkCompletedWithWrappedCFException(h3); |
2380 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2381 |
+ |
|
2382 |
+ |
g.complete(v2); |
2383 |
+ |
|
2384 |
+ |
// unspecified behavior - both source completions available |
2385 |
+ |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2386 |
+ |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2387 |
+ |
|
2388 |
+ |
checkCompletedWithWrappedCFException(h4); |
2389 |
+ |
assertTrue(Objects.equals(v1, rs[4].value) || |
2390 |
+ |
Objects.equals(v2, rs[4].value)); |
2391 |
+ |
checkCompletedWithWrappedCFException(h5); |
2392 |
+ |
assertTrue(Objects.equals(v1, rs[5].value) || |
2393 |
+ |
Objects.equals(v2, rs[5].value)); |
2394 |
+ |
|
2395 |
+ |
checkCompletedNormally(f, v1); |
2396 |
+ |
checkCompletedNormally(g, v2); |
2397 |
+ |
}} |
2398 |
+ |
|
2399 |
+ |
/** |
2400 |
+ |
* acceptEither result completes normally after normal completion |
2401 |
+ |
* of either source |
2402 |
+ |
*/ |
2403 |
+ |
public void testAcceptEither_normalCompletion() { |
2404 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2405 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2406 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2407 |
+ |
{ |
2408 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2409 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2410 |
+ |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2411 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2412 |
+ |
|
2413 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2414 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2415 |
+ |
checkIncomplete(h0); |
2416 |
+ |
checkIncomplete(h1); |
2417 |
+ |
rs[0].assertNotInvoked(); |
2418 |
+ |
rs[1].assertNotInvoked(); |
2419 |
+ |
f.complete(v1); |
2420 |
+ |
checkCompletedNormally(h0, null); |
2421 |
+ |
checkCompletedNormally(h1, null); |
2422 |
+ |
rs[0].assertValue(v1); |
2423 |
+ |
rs[1].assertValue(v1); |
2424 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2425 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2426 |
+ |
checkCompletedNormally(h2, null); |
2427 |
+ |
checkCompletedNormally(h3, null); |
2428 |
+ |
rs[2].assertValue(v1); |
2429 |
+ |
rs[3].assertValue(v1); |
2430 |
+ |
g.complete(v2); |
2431 |
+ |
|
2432 |
+ |
// unspecified behavior - both source completions available |
2433 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2434 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2435 |
+ |
checkCompletedNormally(h4, null); |
2436 |
+ |
checkCompletedNormally(h5, null); |
2437 |
+ |
assertTrue(Objects.equals(v1, rs[4].value) || |
2438 |
+ |
Objects.equals(v2, rs[4].value)); |
2439 |
+ |
assertTrue(Objects.equals(v1, rs[5].value) || |
2440 |
+ |
Objects.equals(v2, rs[5].value)); |
2441 |
+ |
|
2442 |
+ |
checkCompletedNormally(f, v1); |
2443 |
+ |
checkCompletedNormally(g, v2); |
2444 |
+ |
checkCompletedNormally(h0, null); |
2445 |
+ |
checkCompletedNormally(h1, null); |
2446 |
+ |
checkCompletedNormally(h2, null); |
2447 |
+ |
checkCompletedNormally(h3, null); |
2448 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2449 |
+ |
}} |
2450 |
+ |
|
2451 |
+ |
/** |
2452 |
+ |
* acceptEither result completes exceptionally after exceptional |
2453 |
+ |
* completion of either source |
2454 |
+ |
*/ |
2455 |
+ |
public void testAcceptEither_exceptionalCompletion() { |
2456 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2457 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2458 |
+ |
{ |
2459 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2460 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2461 |
+ |
final CFException ex = new CFException(); |
2462 |
+ |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2463 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2464 |
+ |
|
2465 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2466 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2467 |
+ |
checkIncomplete(h0); |
2468 |
+ |
checkIncomplete(h1); |
2469 |
+ |
rs[0].assertNotInvoked(); |
2470 |
+ |
rs[1].assertNotInvoked(); |
2471 |
+ |
f.completeExceptionally(ex); |
2472 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2473 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2474 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2475 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2476 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2477 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2478 |
+ |
|
2479 |
+ |
g.complete(v1); |
2480 |
+ |
|
2481 |
+ |
// unspecified behavior - both source completions available |
2482 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2483 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2484 |
+ |
try { |
2485 |
+ |
assertNull(h4.join()); |
2486 |
+ |
rs[4].assertValue(v1); |
2487 |
+ |
} catch (CompletionException ok) { |
2488 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2489 |
+ |
rs[4].assertNotInvoked(); |
2490 |
+ |
} |
2491 |
+ |
try { |
2492 |
+ |
assertNull(h5.join()); |
2493 |
+ |
rs[5].assertValue(v1); |
2494 |
+ |
} catch (CompletionException ok) { |
2495 |
+ |
checkCompletedWithWrappedException(h5, ex); |
2496 |
+ |
rs[5].assertNotInvoked(); |
2497 |
+ |
} |
2498 |
+ |
|
2499 |
+ |
checkCompletedExceptionally(f, ex); |
2500 |
+ |
checkCompletedNormally(g, v1); |
2501 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2502 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2503 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2504 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2505 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2506 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2507 |
+ |
}} |
2508 |
+ |
|
2509 |
+ |
public void testAcceptEither_exceptionalCompletion2() { |
2510 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2511 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2512 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2513 |
+ |
{ |
2514 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2515 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2516 |
+ |
final CFException ex = new CFException(); |
2517 |
+ |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2518 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2519 |
+ |
|
2520 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2521 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2522 |
+ |
assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2523 |
+ |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2524 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2525 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2526 |
+ |
|
2527 |
+ |
// unspecified behavior - both source completions available |
2528 |
+ |
try { |
2529 |
+ |
assertEquals(null, h0.join()); |
2530 |
+ |
rs[0].assertValue(v1); |
2531 |
+ |
} catch (CompletionException ok) { |
2532 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2533 |
+ |
rs[0].assertNotInvoked(); |
2534 |
+ |
} |
2535 |
+ |
try { |
2536 |
+ |
assertEquals(null, h1.join()); |
2537 |
+ |
rs[1].assertValue(v1); |
2538 |
+ |
} catch (CompletionException ok) { |
2539 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2540 |
+ |
rs[1].assertNotInvoked(); |
2541 |
+ |
} |
2542 |
+ |
try { |
2543 |
+ |
assertEquals(null, h2.join()); |
2544 |
+ |
rs[2].assertValue(v1); |
2545 |
+ |
} catch (CompletionException ok) { |
2546 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2547 |
+ |
rs[2].assertNotInvoked(); |
2548 |
+ |
} |
2549 |
+ |
try { |
2550 |
+ |
assertEquals(null, h3.join()); |
2551 |
+ |
rs[3].assertValue(v1); |
2552 |
+ |
} catch (CompletionException ok) { |
2553 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2554 |
+ |
rs[3].assertNotInvoked(); |
2555 |
+ |
} |
2556 |
+ |
|
2557 |
+ |
checkCompletedNormally(f, v1); |
2558 |
+ |
checkCompletedExceptionally(g, ex); |
2559 |
+ |
}} |
2560 |
+ |
|
2561 |
+ |
/** |
2562 |
+ |
* acceptEither result completes exceptionally if either source cancelled |
2563 |
+ |
*/ |
2564 |
+ |
public void testAcceptEither_sourceCancelled() { |
2565 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2566 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2567 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2568 |
+ |
{ |
2569 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2570 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2571 |
+ |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2572 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2573 |
+ |
|
2574 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2575 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2576 |
+ |
checkIncomplete(h0); |
2577 |
+ |
checkIncomplete(h1); |
2578 |
+ |
rs[0].assertNotInvoked(); |
2579 |
+ |
rs[1].assertNotInvoked(); |
2580 |
+ |
f.cancel(mayInterruptIfRunning); |
2581 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2582 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2583 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2584 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2585 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2586 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2587 |
+ |
|
2588 |
+ |
g.complete(v1); |
2589 |
+ |
|
2590 |
+ |
// unspecified behavior - both source completions available |
2591 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2592 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2593 |
+ |
try { |
2594 |
+ |
assertNull(h4.join()); |
2595 |
+ |
rs[4].assertValue(v1); |
2596 |
+ |
} catch (CompletionException ok) { |
2597 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
2598 |
+ |
rs[4].assertNotInvoked(); |
2599 |
+ |
} |
2600 |
+ |
try { |
2601 |
+ |
assertNull(h5.join()); |
2602 |
+ |
rs[5].assertValue(v1); |
2603 |
+ |
} catch (CompletionException ok) { |
2604 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
2605 |
+ |
rs[5].assertNotInvoked(); |
2606 |
+ |
} |
2607 |
+ |
|
2608 |
+ |
checkCancelled(f); |
2609 |
+ |
checkCompletedNormally(g, v1); |
2610 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2611 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2612 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2613 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2614 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2615 |
+ |
}} |
2616 |
+ |
|
2617 |
+ |
/** |
2618 |
+ |
* acceptEither result completes exceptionally if action does |
2619 |
+ |
*/ |
2620 |
+ |
public void testAcceptEither_actionFailed() { |
2621 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2622 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2623 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2624 |
+ |
{ |
2625 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2626 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2627 |
+ |
final FailingConsumer[] rs = new FailingConsumer[6]; |
2628 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
2629 |
+ |
|
2630 |
+ |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2631 |
+ |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2632 |
+ |
f.complete(v1); |
2633 |
+ |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2634 |
+ |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2635 |
+ |
checkCompletedWithWrappedCFException(h0); |
2636 |
+ |
checkCompletedWithWrappedCFException(h1); |
2637 |
+ |
checkCompletedWithWrappedCFException(h2); |
2638 |
+ |
checkCompletedWithWrappedCFException(h3); |
2639 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2640 |
+ |
|
2641 |
+ |
g.complete(v2); |
2642 |
+ |
|
2643 |
+ |
// unspecified behavior - both source completions available |
2644 |
+ |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2645 |
+ |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2646 |
+ |
|
2647 |
+ |
checkCompletedWithWrappedCFException(h4); |
2648 |
+ |
assertTrue(Objects.equals(v1, rs[4].value) || |
2649 |
+ |
Objects.equals(v2, rs[4].value)); |
2650 |
+ |
checkCompletedWithWrappedCFException(h5); |
2651 |
+ |
assertTrue(Objects.equals(v1, rs[5].value) || |
2652 |
+ |
Objects.equals(v2, rs[5].value)); |
2653 |
+ |
|
2654 |
+ |
checkCompletedNormally(f, v1); |
2655 |
+ |
checkCompletedNormally(g, v2); |
2656 |
+ |
}} |
2657 |
+ |
|
2658 |
+ |
/** |
2659 |
+ |
* runAfterEither result completes normally after normal completion |
2660 |
+ |
* of either source |
2661 |
+ |
*/ |
2662 |
+ |
public void testRunAfterEither_normalCompletion() { |
2663 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2664 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2665 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2666 |
+ |
{ |
2667 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2668 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2669 |
+ |
final Noop[] rs = new Noop[6]; |
2670 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2671 |
+ |
|
2672 |
+ |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2673 |
+ |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2674 |
+ |
checkIncomplete(h0); |
2675 |
+ |
checkIncomplete(h1); |
2676 |
+ |
rs[0].assertNotInvoked(); |
2677 |
+ |
rs[1].assertNotInvoked(); |
2678 |
+ |
f.complete(v1); |
2679 |
+ |
checkCompletedNormally(h0, null); |
2680 |
+ |
checkCompletedNormally(h1, null); |
2681 |
+ |
rs[0].assertInvoked(); |
2682 |
+ |
rs[1].assertInvoked(); |
2683 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2684 |
+ |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2685 |
+ |
checkCompletedNormally(h2, null); |
2686 |
+ |
checkCompletedNormally(h3, null); |
2687 |
+ |
rs[2].assertInvoked(); |
2688 |
+ |
rs[3].assertInvoked(); |
2689 |
+ |
|
2690 |
+ |
g.complete(v2); |
2691 |
+ |
|
2692 |
+ |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2693 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2694 |
+ |
|
2695 |
+ |
checkCompletedNormally(f, v1); |
2696 |
+ |
checkCompletedNormally(g, v2); |
2697 |
+ |
checkCompletedNormally(h0, null); |
2698 |
+ |
checkCompletedNormally(h1, null); |
2699 |
+ |
checkCompletedNormally(h2, null); |
2700 |
+ |
checkCompletedNormally(h3, null); |
2701 |
+ |
checkCompletedNormally(h4, null); |
2702 |
+ |
checkCompletedNormally(h5, null); |
2703 |
+ |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2704 |
+ |
}} |
2705 |
+ |
|
2706 |
+ |
/** |
2707 |
+ |
* runAfterEither result completes exceptionally after exceptional |
2708 |
+ |
* completion of either source |
2709 |
+ |
*/ |
2710 |
+ |
public void testRunAfterEither_exceptionalCompletion() { |
2711 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2712 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2713 |
+ |
{ |
2714 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2715 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2716 |
+ |
final CFException ex = new CFException(); |
2717 |
+ |
final Noop[] rs = new Noop[6]; |
2718 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2719 |
+ |
|
2720 |
+ |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2721 |
+ |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2722 |
+ |
checkIncomplete(h0); |
2723 |
+ |
checkIncomplete(h1); |
2724 |
+ |
rs[0].assertNotInvoked(); |
2725 |
+ |
rs[1].assertNotInvoked(); |
2726 |
+ |
assertTrue(f.completeExceptionally(ex)); |
2727 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2728 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2729 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2730 |
+ |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2731 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2732 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2733 |
+ |
|
2734 |
+ |
assertTrue(g.complete(v1)); |
2735 |
+ |
|
2736 |
+ |
// unspecified behavior - both source completions available |
2737 |
+ |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2738 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2739 |
+ |
try { |
2740 |
+ |
assertNull(h4.join()); |
2741 |
+ |
rs[4].assertInvoked(); |
2742 |
+ |
} catch (CompletionException ok) { |
2743 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2744 |
+ |
rs[4].assertNotInvoked(); |
2745 |
+ |
} |
2746 |
+ |
try { |
2747 |
+ |
assertNull(h5.join()); |
2748 |
+ |
rs[5].assertInvoked(); |
2749 |
+ |
} catch (CompletionException ok) { |
2750 |
+ |
checkCompletedWithWrappedException(h5, ex); |
2751 |
+ |
rs[5].assertNotInvoked(); |
2752 |
+ |
} |
2753 |
+ |
|
2754 |
+ |
checkCompletedExceptionally(f, ex); |
2755 |
+ |
checkCompletedNormally(g, v1); |
2756 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2757 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2758 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2759 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2760 |
+ |
checkCompletedWithWrappedException(h4, ex); |
2761 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2762 |
+ |
}} |
2763 |
+ |
|
2764 |
+ |
public void testRunAfterEither_exceptionalCompletion2() { |
2765 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2766 |
+ |
for (boolean fFirst : new boolean[] { true, false }) |
2767 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2768 |
+ |
{ |
2769 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2770 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2771 |
+ |
final CFException ex = new CFException(); |
2772 |
+ |
final Noop[] rs = new Noop[6]; |
2773 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2774 |
+ |
|
2775 |
+ |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2776 |
+ |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2777 |
+ |
assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2778 |
+ |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2779 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2780 |
+ |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2781 |
+ |
|
2782 |
+ |
// unspecified behavior - both source completions available |
2783 |
+ |
try { |
2784 |
+ |
assertEquals(null, h0.join()); |
2785 |
+ |
rs[0].assertInvoked(); |
2786 |
+ |
} catch (CompletionException ok) { |
2787 |
+ |
checkCompletedWithWrappedException(h0, ex); |
2788 |
+ |
rs[0].assertNotInvoked(); |
2789 |
+ |
} |
2790 |
+ |
try { |
2791 |
+ |
assertEquals(null, h1.join()); |
2792 |
+ |
rs[1].assertInvoked(); |
2793 |
+ |
} catch (CompletionException ok) { |
2794 |
+ |
checkCompletedWithWrappedException(h1, ex); |
2795 |
+ |
rs[1].assertNotInvoked(); |
2796 |
+ |
} |
2797 |
+ |
try { |
2798 |
+ |
assertEquals(null, h2.join()); |
2799 |
+ |
rs[2].assertInvoked(); |
2800 |
+ |
} catch (CompletionException ok) { |
2801 |
+ |
checkCompletedWithWrappedException(h2, ex); |
2802 |
+ |
rs[2].assertNotInvoked(); |
2803 |
+ |
} |
2804 |
+ |
try { |
2805 |
+ |
assertEquals(null, h3.join()); |
2806 |
+ |
rs[3].assertInvoked(); |
2807 |
+ |
} catch (CompletionException ok) { |
2808 |
+ |
checkCompletedWithWrappedException(h3, ex); |
2809 |
+ |
rs[3].assertNotInvoked(); |
2810 |
+ |
} |
2811 |
+ |
|
2812 |
+ |
checkCompletedNormally(f, v1); |
2813 |
+ |
checkCompletedExceptionally(g, ex); |
2814 |
+ |
}} |
2815 |
+ |
|
2816 |
+ |
/** |
2817 |
+ |
* runAfterEither result completes exceptionally if either source cancelled |
2818 |
+ |
*/ |
2819 |
+ |
public void testRunAfterEither_sourceCancelled() { |
2820 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2821 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2822 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2823 |
+ |
{ |
2824 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2825 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2826 |
+ |
final Noop[] rs = new Noop[6]; |
2827 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2828 |
+ |
|
2829 |
+ |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2830 |
+ |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2831 |
+ |
checkIncomplete(h0); |
2832 |
+ |
checkIncomplete(h1); |
2833 |
+ |
rs[0].assertNotInvoked(); |
2834 |
+ |
rs[1].assertNotInvoked(); |
2835 |
+ |
f.cancel(mayInterruptIfRunning); |
2836 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2837 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2838 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2839 |
+ |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2840 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2841 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2842 |
+ |
|
2843 |
+ |
assertTrue(g.complete(v1)); |
2844 |
+ |
|
2845 |
+ |
// unspecified behavior - both source completions available |
2846 |
+ |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2847 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2848 |
+ |
try { |
2849 |
+ |
assertNull(h4.join()); |
2850 |
+ |
rs[4].assertInvoked(); |
2851 |
+ |
} catch (CompletionException ok) { |
2852 |
+ |
checkCompletedWithWrappedCancellationException(h4); |
2853 |
+ |
rs[4].assertNotInvoked(); |
2854 |
+ |
} |
2855 |
+ |
try { |
2856 |
+ |
assertNull(h5.join()); |
2857 |
+ |
rs[5].assertInvoked(); |
2858 |
+ |
} catch (CompletionException ok) { |
2859 |
+ |
checkCompletedWithWrappedCancellationException(h5); |
2860 |
+ |
rs[5].assertNotInvoked(); |
2861 |
+ |
} |
2862 |
+ |
|
2863 |
+ |
checkCancelled(f); |
2864 |
+ |
checkCompletedNormally(g, v1); |
2865 |
+ |
checkCompletedWithWrappedCancellationException(h0); |
2866 |
+ |
checkCompletedWithWrappedCancellationException(h1); |
2867 |
+ |
checkCompletedWithWrappedCancellationException(h2); |
2868 |
+ |
checkCompletedWithWrappedCancellationException(h3); |
2869 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2870 |
+ |
}} |
2871 |
+ |
|
2872 |
+ |
/** |
2873 |
+ |
* runAfterEither result completes exceptionally if action does |
2874 |
+ |
*/ |
2875 |
+ |
public void testRunAfterEither_actionFailed() { |
2876 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2877 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2878 |
+ |
for (Integer v2 : new Integer[] { 2, null }) |
2879 |
+ |
{ |
2880 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2881 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2882 |
+ |
final FailingRunnable[] rs = new FailingRunnable[6]; |
2883 |
+ |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); |
2884 |
+ |
|
2885 |
+ |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2886 |
+ |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2887 |
+ |
assertTrue(f.complete(v1)); |
2888 |
+ |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2889 |
+ |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2890 |
+ |
checkCompletedWithWrappedCFException(h0); |
2891 |
+ |
checkCompletedWithWrappedCFException(h1); |
2892 |
+ |
checkCompletedWithWrappedCFException(h2); |
2893 |
+ |
checkCompletedWithWrappedCFException(h3); |
2894 |
+ |
for (int i = 0; i < 4; i++) rs[i].assertInvoked(); |
2895 |
+ |
assertTrue(g.complete(v2)); |
2896 |
+ |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2897 |
+ |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2898 |
+ |
checkCompletedWithWrappedCFException(h4); |
2899 |
+ |
checkCompletedWithWrappedCFException(h5); |
2900 |
+ |
|
2901 |
+ |
checkCompletedNormally(f, v1); |
2902 |
+ |
checkCompletedNormally(g, v2); |
2903 |
+ |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2904 |
+ |
}} |
2905 |
+ |
|
2906 |
+ |
/** |
2907 |
+ |
* thenCompose result completes normally after normal completion of source |
2908 |
+ |
*/ |
2909 |
+ |
public void testThenCompose_normalCompletion() { |
2910 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2911 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2912 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2913 |
+ |
{ |
2914 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2915 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2916 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
2917 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2918 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
2919 |
+ |
|
2920 |
+ |
checkCompletedNormally(g, inc(v1)); |
2921 |
+ |
checkCompletedNormally(f, v1); |
2922 |
+ |
r.assertValue(v1); |
2923 |
+ |
}} |
2924 |
+ |
|
2925 |
+ |
/** |
2926 |
+ |
* thenCompose result completes exceptionally after exceptional |
2927 |
+ |
* completion of source |
2928 |
+ |
*/ |
2929 |
+ |
public void testThenCompose_exceptionalCompletion() { |
2930 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2931 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2932 |
+ |
{ |
2933 |
+ |
final CFException ex = new CFException(); |
2934 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2935 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2936 |
+ |
if (!createIncomplete) f.completeExceptionally(ex); |
2937 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2938 |
+ |
if (createIncomplete) f.completeExceptionally(ex); |
2939 |
+ |
|
2940 |
+ |
checkCompletedWithWrappedException(g, ex); |
2941 |
+ |
checkCompletedExceptionally(f, ex); |
2942 |
+ |
r.assertNotInvoked(); |
2943 |
+ |
}} |
2944 |
+ |
|
2945 |
+ |
/** |
2946 |
+ |
* thenCompose result completes exceptionally if action does |
2947 |
+ |
*/ |
2948 |
+ |
public void testThenCompose_actionFailed() { |
2949 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2950 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2951 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2952 |
+ |
{ |
2953 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2954 |
+ |
final FailingCompletableFutureFunction r |
2955 |
+ |
= new FailingCompletableFutureFunction(m); |
2956 |
+ |
if (!createIncomplete) assertTrue(f.complete(v1)); |
2957 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2958 |
+ |
if (createIncomplete) assertTrue(f.complete(v1)); |
2959 |
+ |
|
2960 |
+ |
checkCompletedWithWrappedCFException(g); |
2961 |
+ |
checkCompletedNormally(f, v1); |
2962 |
+ |
}} |
2963 |
+ |
|
2964 |
+ |
/** |
2965 |
+ |
* thenCompose result completes exceptionally if source cancelled |
2966 |
+ |
*/ |
2967 |
+ |
public void testThenCompose_sourceCancelled() { |
2968 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2969 |
+ |
for (boolean createIncomplete : new boolean[] { true, false }) |
2970 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2971 |
+ |
{ |
2972 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2973 |
+ |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2974 |
+ |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2975 |
+ |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2976 |
+ |
if (createIncomplete) { |
2977 |
+ |
checkIncomplete(g); |
2978 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2979 |
+ |
} |
2980 |
+ |
|
2981 |
+ |
checkCompletedWithWrappedCancellationException(g); |
2982 |
+ |
checkCancelled(f); |
2983 |
+ |
}} |
2984 |
+ |
|
2985 |
+ |
/** |
2986 |
+ |
* thenCompose result completes exceptionally if the result of the action does |
2987 |
+ |
*/ |
2988 |
+ |
public void testThenCompose_actionReturnsFailingFuture() { |
2989 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
2990 |
+ |
for (int order = 0; order < 6; order++) |
2991 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
2992 |
+ |
{ |
2993 |
+ |
final CFException ex = new CFException(); |
2994 |
+ |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2995 |
+ |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2996 |
+ |
final CompletableFuture<Integer> h; |
2997 |
+ |
// Test all permutations of orders |
2998 |
+ |
switch (order) { |
2999 |
+ |
case 0: |
3000 |
+ |
assertTrue(f.complete(v1)); |
3001 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3002 |
+ |
h = m.thenCompose(f, (x -> g)); |
3003 |
+ |
break; |
3004 |
+ |
case 1: |
3005 |
+ |
assertTrue(f.complete(v1)); |
3006 |
+ |
h = m.thenCompose(f, (x -> g)); |
3007 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3008 |
+ |
break; |
3009 |
+ |
case 2: |
3010 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3011 |
+ |
assertTrue(f.complete(v1)); |
3012 |
+ |
h = m.thenCompose(f, (x -> g)); |
3013 |
+ |
break; |
3014 |
+ |
case 3: |
3015 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3016 |
+ |
h = m.thenCompose(f, (x -> g)); |
3017 |
+ |
assertTrue(f.complete(v1)); |
3018 |
+ |
break; |
3019 |
+ |
case 4: |
3020 |
+ |
h = m.thenCompose(f, (x -> g)); |
3021 |
+ |
assertTrue(f.complete(v1)); |
3022 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3023 |
+ |
break; |
3024 |
+ |
case 5: |
3025 |
+ |
h = m.thenCompose(f, (x -> g)); |
3026 |
+ |
assertTrue(f.complete(v1)); |
3027 |
+ |
assertTrue(g.completeExceptionally(ex)); |
3028 |
+ |
break; |
3029 |
+ |
default: throw new AssertionError(); |
3030 |
+ |
} |
3031 |
+ |
|
3032 |
+ |
checkCompletedExceptionally(g, ex); |
3033 |
+ |
checkCompletedWithWrappedException(h, ex); |
3034 |
+ |
checkCompletedNormally(f, v1); |
3035 |
+ |
}} |
3036 |
+ |
|
3037 |
+ |
// other static methods |
3038 |
+ |
|
3039 |
+ |
/** |
3040 |
+ |
* allOf(no component futures) returns a future completed normally |
3041 |
+ |
* with the value null |
3042 |
+ |
*/ |
3043 |
+ |
public void testAllOf_empty() throws Exception { |
3044 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(); |
3045 |
+ |
checkCompletedNormally(f, null); |
3046 |
+ |
} |
3047 |
+ |
|
3048 |
+ |
/** |
3049 |
+ |
* allOf returns a future completed normally with the value null |
3050 |
+ |
* when all components complete normally |
3051 |
+ |
*/ |
3052 |
+ |
public void testAllOf_normal() throws Exception { |
3053 |
+ |
for (int k = 1; k < 10; k++) { |
3054 |
+ |
CompletableFuture<Integer>[] fs |
3055 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3056 |
+ |
for (int i = 0; i < k; i++) |
3057 |
+ |
fs[i] = new CompletableFuture<>(); |
3058 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3059 |
+ |
for (int i = 0; i < k; i++) { |
3060 |
+ |
checkIncomplete(f); |
3061 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
3062 |
+ |
fs[i].complete(one); |
3063 |
+ |
} |
3064 |
+ |
checkCompletedNormally(f, null); |
3065 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
3066 |
+ |
} |
3067 |
|
} |
3068 |
+ |
|
3069 |
+ |
public void testAllOf_backwards() throws Exception { |
3070 |
+ |
for (int k = 1; k < 10; k++) { |
3071 |
+ |
CompletableFuture<Integer>[] fs |
3072 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3073 |
+ |
for (int i = 0; i < k; i++) |
3074 |
+ |
fs[i] = new CompletableFuture<>(); |
3075 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3076 |
+ |
for (int i = k - 1; i >= 0; i--) { |
3077 |
+ |
checkIncomplete(f); |
3078 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
3079 |
+ |
fs[i].complete(one); |
3080 |
+ |
} |
3081 |
+ |
checkCompletedNormally(f, null); |
3082 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
3083 |
+ |
} |
3084 |
+ |
} |
3085 |
+ |
|
3086 |
+ |
public void testAllOf_exceptional() throws Exception { |
3087 |
+ |
for (int k = 1; k < 10; k++) { |
3088 |
+ |
CompletableFuture<Integer>[] fs |
3089 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3090 |
+ |
CFException ex = new CFException(); |
3091 |
+ |
for (int i = 0; i < k; i++) |
3092 |
+ |
fs[i] = new CompletableFuture<>(); |
3093 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3094 |
+ |
for (int i = 0; i < k; i++) { |
3095 |
+ |
checkIncomplete(f); |
3096 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
3097 |
+ |
if (i != k / 2) { |
3098 |
+ |
fs[i].complete(i); |
3099 |
+ |
checkCompletedNormally(fs[i], i); |
3100 |
+ |
} else { |
3101 |
+ |
fs[i].completeExceptionally(ex); |
3102 |
+ |
checkCompletedExceptionally(fs[i], ex); |
3103 |
+ |
} |
3104 |
+ |
} |
3105 |
+ |
checkCompletedWithWrappedException(f, ex); |
3106 |
+ |
checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex); |
3107 |
+ |
} |
3108 |
+ |
} |
3109 |
+ |
|
3110 |
+ |
/** |
3111 |
+ |
* anyOf(no component futures) returns an incomplete future |
3112 |
+ |
*/ |
3113 |
+ |
public void testAnyOf_empty() throws Exception { |
3114 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3115 |
+ |
{ |
3116 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(); |
3117 |
+ |
checkIncomplete(f); |
3118 |
+ |
|
3119 |
+ |
f.complete(v1); |
3120 |
+ |
checkCompletedNormally(f, v1); |
3121 |
+ |
}} |
3122 |
+ |
|
3123 |
+ |
/** |
3124 |
+ |
* anyOf returns a future completed normally with a value when |
3125 |
+ |
* a component future does |
3126 |
+ |
*/ |
3127 |
+ |
public void testAnyOf_normal() throws Exception { |
3128 |
+ |
for (int k = 0; k < 10; k++) { |
3129 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
3130 |
+ |
for (int i = 0; i < k; i++) |
3131 |
+ |
fs[i] = new CompletableFuture<>(); |
3132 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3133 |
+ |
checkIncomplete(f); |
3134 |
+ |
for (int i = 0; i < k; i++) { |
3135 |
+ |
fs[i].complete(i); |
3136 |
+ |
checkCompletedNormally(f, 0); |
3137 |
+ |
int x = (int) CompletableFuture.anyOf(fs).join(); |
3138 |
+ |
assertTrue(0 <= x && x <= i); |
3139 |
+ |
} |
3140 |
+ |
} |
3141 |
+ |
} |
3142 |
+ |
public void testAnyOf_normal_backwards() throws Exception { |
3143 |
+ |
for (int k = 0; k < 10; k++) { |
3144 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
3145 |
+ |
for (int i = 0; i < k; i++) |
3146 |
+ |
fs[i] = new CompletableFuture<>(); |
3147 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3148 |
+ |
checkIncomplete(f); |
3149 |
+ |
for (int i = k - 1; i >= 0; i--) { |
3150 |
+ |
fs[i].complete(i); |
3151 |
+ |
checkCompletedNormally(f, k - 1); |
3152 |
+ |
int x = (int) CompletableFuture.anyOf(fs).join(); |
3153 |
+ |
assertTrue(i <= x && x <= k - 1); |
3154 |
+ |
} |
3155 |
+ |
} |
3156 |
+ |
} |
3157 |
+ |
|
3158 |
+ |
/** |
3159 |
+ |
* anyOf result completes exceptionally when any component does. |
3160 |
+ |
*/ |
3161 |
+ |
public void testAnyOf_exceptional() throws Exception { |
3162 |
+ |
for (int k = 0; k < 10; k++) { |
3163 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
3164 |
+ |
CFException[] exs = new CFException[k]; |
3165 |
+ |
for (int i = 0; i < k; i++) { |
3166 |
+ |
fs[i] = new CompletableFuture<>(); |
3167 |
+ |
exs[i] = new CFException(); |
3168 |
+ |
} |
3169 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3170 |
+ |
checkIncomplete(f); |
3171 |
+ |
for (int i = 0; i < k; i++) { |
3172 |
+ |
fs[i].completeExceptionally(exs[i]); |
3173 |
+ |
checkCompletedWithWrappedException(f, exs[0]); |
3174 |
+ |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
3175 |
+ |
} |
3176 |
+ |
} |
3177 |
+ |
} |
3178 |
+ |
|
3179 |
+ |
public void testAnyOf_exceptional_backwards() throws Exception { |
3180 |
+ |
for (int k = 0; k < 10; k++) { |
3181 |
+ |
CompletableFuture[] fs = new CompletableFuture[k]; |
3182 |
+ |
CFException[] exs = new CFException[k]; |
3183 |
+ |
for (int i = 0; i < k; i++) { |
3184 |
+ |
fs[i] = new CompletableFuture<>(); |
3185 |
+ |
exs[i] = new CFException(); |
3186 |
+ |
} |
3187 |
+ |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3188 |
+ |
checkIncomplete(f); |
3189 |
+ |
for (int i = k - 1; i >= 0; i--) { |
3190 |
+ |
fs[i].completeExceptionally(exs[i]); |
3191 |
+ |
checkCompletedWithWrappedException(f, exs[k - 1]); |
3192 |
+ |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
3193 |
+ |
} |
3194 |
+ |
} |
3195 |
+ |
} |
3196 |
+ |
|
3197 |
+ |
/** |
3198 |
+ |
* Completion methods throw NullPointerException with null arguments |
3199 |
+ |
*/ |
3200 |
+ |
public void testNPE() { |
3201 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3202 |
+ |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3203 |
+ |
CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null; |
3204 |
+ |
ThreadExecutor exec = new ThreadExecutor(); |
3205 |
+ |
|
3206 |
+ |
Runnable[] throwingActions = { |
3207 |
+ |
() -> CompletableFuture.supplyAsync(null), |
3208 |
+ |
() -> CompletableFuture.supplyAsync(null, exec), |
3209 |
+ |
() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null), |
3210 |
+ |
|
3211 |
+ |
() -> CompletableFuture.runAsync(null), |
3212 |
+ |
() -> CompletableFuture.runAsync(null, exec), |
3213 |
+ |
() -> CompletableFuture.runAsync(() -> {}, null), |
3214 |
+ |
|
3215 |
+ |
() -> f.completeExceptionally(null), |
3216 |
+ |
|
3217 |
+ |
() -> f.thenApply(null), |
3218 |
+ |
() -> f.thenApplyAsync(null), |
3219 |
+ |
() -> f.thenApplyAsync((x) -> x, null), |
3220 |
+ |
() -> f.thenApplyAsync(null, exec), |
3221 |
+ |
|
3222 |
+ |
() -> f.thenAccept(null), |
3223 |
+ |
() -> f.thenAcceptAsync(null), |
3224 |
+ |
() -> f.thenAcceptAsync((x) -> {} , null), |
3225 |
+ |
() -> f.thenAcceptAsync(null, exec), |
3226 |
+ |
|
3227 |
+ |
() -> f.thenRun(null), |
3228 |
+ |
() -> f.thenRunAsync(null), |
3229 |
+ |
() -> f.thenRunAsync(() -> {} , null), |
3230 |
+ |
() -> f.thenRunAsync(null, exec), |
3231 |
+ |
|
3232 |
+ |
() -> f.thenCombine(g, null), |
3233 |
+ |
() -> f.thenCombineAsync(g, null), |
3234 |
+ |
() -> f.thenCombineAsync(g, null, exec), |
3235 |
+ |
() -> f.thenCombine(nullFuture, (x, y) -> x), |
3236 |
+ |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x), |
3237 |
+ |
() -> f.thenCombineAsync(nullFuture, (x, y) -> x, exec), |
3238 |
+ |
() -> f.thenCombineAsync(g, (x, y) -> x, null), |
3239 |
+ |
|
3240 |
+ |
() -> f.thenAcceptBoth(g, null), |
3241 |
+ |
() -> f.thenAcceptBothAsync(g, null), |
3242 |
+ |
() -> f.thenAcceptBothAsync(g, null, exec), |
3243 |
+ |
() -> f.thenAcceptBoth(nullFuture, (x, y) -> {}), |
3244 |
+ |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}), |
3245 |
+ |
() -> f.thenAcceptBothAsync(nullFuture, (x, y) -> {}, exec), |
3246 |
+ |
() -> f.thenAcceptBothAsync(g, (x, y) -> {}, null), |
3247 |
+ |
|
3248 |
+ |
() -> f.runAfterBoth(g, null), |
3249 |
+ |
() -> f.runAfterBothAsync(g, null), |
3250 |
+ |
() -> f.runAfterBothAsync(g, null, exec), |
3251 |
+ |
() -> f.runAfterBoth(nullFuture, () -> {}), |
3252 |
+ |
() -> f.runAfterBothAsync(nullFuture, () -> {}), |
3253 |
+ |
() -> f.runAfterBothAsync(nullFuture, () -> {}, exec), |
3254 |
+ |
() -> f.runAfterBothAsync(g, () -> {}, null), |
3255 |
+ |
|
3256 |
+ |
() -> f.applyToEither(g, null), |
3257 |
+ |
() -> f.applyToEitherAsync(g, null), |
3258 |
+ |
() -> f.applyToEitherAsync(g, null, exec), |
3259 |
+ |
() -> f.applyToEither(nullFuture, (x) -> x), |
3260 |
+ |
() -> f.applyToEitherAsync(nullFuture, (x) -> x), |
3261 |
+ |
() -> f.applyToEitherAsync(nullFuture, (x) -> x, exec), |
3262 |
+ |
() -> f.applyToEitherAsync(g, (x) -> x, null), |
3263 |
+ |
|
3264 |
+ |
() -> f.acceptEither(g, null), |
3265 |
+ |
() -> f.acceptEitherAsync(g, null), |
3266 |
+ |
() -> f.acceptEitherAsync(g, null, exec), |
3267 |
+ |
() -> f.acceptEither(nullFuture, (x) -> {}), |
3268 |
+ |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}), |
3269 |
+ |
() -> f.acceptEitherAsync(nullFuture, (x) -> {}, exec), |
3270 |
+ |
() -> f.acceptEitherAsync(g, (x) -> {}, null), |
3271 |
+ |
|
3272 |
+ |
() -> f.runAfterEither(g, null), |
3273 |
+ |
() -> f.runAfterEitherAsync(g, null), |
3274 |
+ |
() -> f.runAfterEitherAsync(g, null, exec), |
3275 |
+ |
() -> f.runAfterEither(nullFuture, () -> {}), |
3276 |
+ |
() -> f.runAfterEitherAsync(nullFuture, () -> {}), |
3277 |
+ |
() -> f.runAfterEitherAsync(nullFuture, () -> {}, exec), |
3278 |
+ |
() -> f.runAfterEitherAsync(g, () -> {}, null), |
3279 |
+ |
|
3280 |
+ |
() -> f.thenCompose(null), |
3281 |
+ |
() -> f.thenComposeAsync(null), |
3282 |
+ |
() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null), |
3283 |
+ |
() -> f.thenComposeAsync(null, exec), |
3284 |
+ |
|
3285 |
+ |
() -> f.exceptionally(null), |
3286 |
+ |
|
3287 |
+ |
() -> f.handle(null), |
3288 |
+ |
|
3289 |
+ |
() -> CompletableFuture.allOf((CompletableFuture<?>)null), |
3290 |
+ |
() -> CompletableFuture.allOf((CompletableFuture<?>[])null), |
3291 |
+ |
() -> CompletableFuture.allOf(f, null), |
3292 |
+ |
() -> CompletableFuture.allOf(null, f), |
3293 |
+ |
|
3294 |
+ |
() -> CompletableFuture.anyOf((CompletableFuture<?>)null), |
3295 |
+ |
() -> CompletableFuture.anyOf((CompletableFuture<?>[])null), |
3296 |
+ |
() -> CompletableFuture.anyOf(f, null), |
3297 |
+ |
() -> CompletableFuture.anyOf(null, f), |
3298 |
+ |
|
3299 |
+ |
() -> f.obtrudeException(null), |
3300 |
+ |
|
3301 |
+ |
() -> CompletableFuture.delayedExecutor(1L, SECONDS, null), |
3302 |
+ |
() -> CompletableFuture.delayedExecutor(1L, null, new ThreadExecutor()), |
3303 |
+ |
() -> CompletableFuture.delayedExecutor(1L, null), |
3304 |
+ |
|
3305 |
+ |
() -> f.orTimeout(1L, null), |
3306 |
+ |
() -> f.completeOnTimeout(42, 1L, null), |
3307 |
+ |
|
3308 |
+ |
() -> CompletableFuture.failedFuture(null), |
3309 |
+ |
() -> CompletableFuture.failedStage(null), |
3310 |
+ |
}; |
3311 |
+ |
|
3312 |
+ |
assertThrows(NullPointerException.class, throwingActions); |
3313 |
+ |
assertEquals(0, exec.count.get()); |
3314 |
+ |
} |
3315 |
+ |
|
3316 |
+ |
/** |
3317 |
+ |
* toCompletableFuture returns this CompletableFuture. |
3318 |
+ |
*/ |
3319 |
+ |
public void testToCompletableFuture() { |
3320 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3321 |
+ |
assertSame(f, f.toCompletableFuture()); |
3322 |
+ |
} |
3323 |
+ |
|
3324 |
+ |
// jdk9 |
3325 |
+ |
|
3326 |
+ |
/** |
3327 |
+ |
* newIncompleteFuture returns an incomplete CompletableFuture |
3328 |
+ |
*/ |
3329 |
+ |
public void testNewIncompleteFuture() { |
3330 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3331 |
+ |
{ |
3332 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3333 |
+ |
CompletableFuture<Integer> g = f.newIncompleteFuture(); |
3334 |
+ |
checkIncomplete(f); |
3335 |
+ |
checkIncomplete(g); |
3336 |
+ |
f.complete(v1); |
3337 |
+ |
checkCompletedNormally(f, v1); |
3338 |
+ |
checkIncomplete(g); |
3339 |
+ |
g.complete(v1); |
3340 |
+ |
checkCompletedNormally(g, v1); |
3341 |
+ |
assertSame(g.getClass(), CompletableFuture.class); |
3342 |
+ |
}} |
3343 |
+ |
|
3344 |
+ |
/** |
3345 |
+ |
* completedStage returns a completed CompletionStage |
3346 |
+ |
*/ |
3347 |
+ |
public void testCompletedStage() { |
3348 |
+ |
AtomicInteger x = new AtomicInteger(0); |
3349 |
+ |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3350 |
+ |
CompletionStage<Integer> f = CompletableFuture.completedStage(1); |
3351 |
+ |
f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3352 |
+ |
assertEquals(x.get(), 1); |
3353 |
+ |
assertNull(r.get()); |
3354 |
+ |
} |
3355 |
+ |
|
3356 |
+ |
/** |
3357 |
+ |
* defaultExecutor by default returns the commonPool if |
3358 |
+ |
* it supports more than one thread. |
3359 |
+ |
*/ |
3360 |
+ |
public void testDefaultExecutor() { |
3361 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3362 |
+ |
Executor e = f.defaultExecutor(); |
3363 |
+ |
Executor c = ForkJoinPool.commonPool(); |
3364 |
+ |
if (ForkJoinPool.getCommonPoolParallelism() > 1) |
3365 |
+ |
assertSame(e, c); |
3366 |
+ |
else |
3367 |
+ |
assertNotSame(e, c); |
3368 |
+ |
} |
3369 |
+ |
|
3370 |
+ |
/** |
3371 |
+ |
* failedFuture returns a CompletableFuture completed |
3372 |
+ |
* exceptionally with the given Exception |
3373 |
+ |
*/ |
3374 |
+ |
public void testFailedFuture() { |
3375 |
+ |
CFException ex = new CFException(); |
3376 |
+ |
CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex); |
3377 |
+ |
checkCompletedExceptionally(f, ex); |
3378 |
+ |
} |
3379 |
+ |
|
3380 |
+ |
/** |
3381 |
+ |
* failedFuture(null) throws NPE |
3382 |
+ |
*/ |
3383 |
+ |
public void testFailedFuture_null() { |
3384 |
+ |
try { |
3385 |
+ |
CompletableFuture<Integer> f = CompletableFuture.failedFuture(null); |
3386 |
+ |
shouldThrow(); |
3387 |
+ |
} catch (NullPointerException success) {} |
3388 |
+ |
} |
3389 |
+ |
|
3390 |
+ |
/** |
3391 |
+ |
* copy returns a CompletableFuture that is completed normally, |
3392 |
+ |
* with the same value, when source is. |
3393 |
+ |
*/ |
3394 |
+ |
public void testCopy() { |
3395 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3396 |
+ |
CompletableFuture<Integer> g = f.copy(); |
3397 |
+ |
checkIncomplete(f); |
3398 |
+ |
checkIncomplete(g); |
3399 |
+ |
f.complete(1); |
3400 |
+ |
checkCompletedNormally(f, 1); |
3401 |
+ |
checkCompletedNormally(g, 1); |
3402 |
+ |
} |
3403 |
+ |
|
3404 |
+ |
/** |
3405 |
+ |
* copy returns a CompletableFuture that is completed exceptionally |
3406 |
+ |
* when source is. |
3407 |
+ |
*/ |
3408 |
+ |
public void testCopy2() { |
3409 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3410 |
+ |
CompletableFuture<Integer> g = f.copy(); |
3411 |
+ |
checkIncomplete(f); |
3412 |
+ |
checkIncomplete(g); |
3413 |
+ |
CFException ex = new CFException(); |
3414 |
+ |
f.completeExceptionally(ex); |
3415 |
+ |
checkCompletedExceptionally(f, ex); |
3416 |
+ |
checkCompletedWithWrappedException(g, ex); |
3417 |
+ |
} |
3418 |
+ |
|
3419 |
+ |
/** |
3420 |
+ |
* minimalCompletionStage returns a CompletableFuture that is |
3421 |
+ |
* completed normally, with the same value, when source is. |
3422 |
+ |
*/ |
3423 |
+ |
public void testMinimalCompletionStage() { |
3424 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3425 |
+ |
CompletionStage<Integer> g = f.minimalCompletionStage(); |
3426 |
+ |
AtomicInteger x = new AtomicInteger(0); |
3427 |
+ |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3428 |
+ |
checkIncomplete(f); |
3429 |
+ |
g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3430 |
+ |
f.complete(1); |
3431 |
+ |
checkCompletedNormally(f, 1); |
3432 |
+ |
assertEquals(x.get(), 1); |
3433 |
+ |
assertNull(r.get()); |
3434 |
+ |
} |
3435 |
+ |
|
3436 |
+ |
/** |
3437 |
+ |
* minimalCompletionStage returns a CompletableFuture that is |
3438 |
+ |
* completed exceptionally when source is. |
3439 |
+ |
*/ |
3440 |
+ |
public void testMinimalCompletionStage2() { |
3441 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3442 |
+ |
CompletionStage<Integer> g = f.minimalCompletionStage(); |
3443 |
+ |
AtomicInteger x = new AtomicInteger(0); |
3444 |
+ |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3445 |
+ |
g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3446 |
+ |
checkIncomplete(f); |
3447 |
+ |
CFException ex = new CFException(); |
3448 |
+ |
f.completeExceptionally(ex); |
3449 |
+ |
checkCompletedExceptionally(f, ex); |
3450 |
+ |
assertEquals(x.get(), 0); |
3451 |
+ |
assertEquals(r.get().getCause(), ex); |
3452 |
+ |
} |
3453 |
+ |
|
3454 |
+ |
/** |
3455 |
+ |
* failedStage returns a CompletionStage completed |
3456 |
+ |
* exceptionally with the given Exception |
3457 |
+ |
*/ |
3458 |
+ |
public void testFailedStage() { |
3459 |
+ |
CFException ex = new CFException(); |
3460 |
+ |
CompletionStage<Integer> f = CompletableFuture.failedStage(ex); |
3461 |
+ |
AtomicInteger x = new AtomicInteger(0); |
3462 |
+ |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3463 |
+ |
f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3464 |
+ |
assertEquals(x.get(), 0); |
3465 |
+ |
assertEquals(r.get(), ex); |
3466 |
+ |
} |
3467 |
+ |
|
3468 |
+ |
/** |
3469 |
+ |
* completeAsync completes with value of given supplier |
3470 |
+ |
*/ |
3471 |
+ |
public void testCompleteAsync() { |
3472 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3473 |
+ |
{ |
3474 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3475 |
+ |
f.completeAsync(() -> v1); |
3476 |
+ |
f.join(); |
3477 |
+ |
checkCompletedNormally(f, v1); |
3478 |
+ |
}} |
3479 |
+ |
|
3480 |
+ |
/** |
3481 |
+ |
* completeAsync completes exceptionally if given supplier throws |
3482 |
+ |
*/ |
3483 |
+ |
public void testCompleteAsync2() { |
3484 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3485 |
+ |
CFException ex = new CFException(); |
3486 |
+ |
f.completeAsync(() -> {if (true) throw ex; return 1;}); |
3487 |
+ |
try { |
3488 |
+ |
f.join(); |
3489 |
+ |
shouldThrow(); |
3490 |
+ |
} catch (CompletionException success) {} |
3491 |
+ |
checkCompletedWithWrappedException(f, ex); |
3492 |
+ |
} |
3493 |
+ |
|
3494 |
+ |
/** |
3495 |
+ |
* completeAsync with given executor completes with value of given supplier |
3496 |
+ |
*/ |
3497 |
+ |
public void testCompleteAsync3() { |
3498 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3499 |
+ |
{ |
3500 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3501 |
+ |
ThreadExecutor executor = new ThreadExecutor(); |
3502 |
+ |
f.completeAsync(() -> v1, executor); |
3503 |
+ |
assertSame(v1, f.join()); |
3504 |
+ |
checkCompletedNormally(f, v1); |
3505 |
+ |
assertEquals(1, executor.count.get()); |
3506 |
+ |
}} |
3507 |
+ |
|
3508 |
+ |
/** |
3509 |
+ |
* completeAsync with given executor completes exceptionally if |
3510 |
+ |
* given supplier throws |
3511 |
+ |
*/ |
3512 |
+ |
public void testCompleteAsync4() { |
3513 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3514 |
+ |
CFException ex = new CFException(); |
3515 |
+ |
ThreadExecutor executor = new ThreadExecutor(); |
3516 |
+ |
f.completeAsync(() -> {if (true) throw ex; return 1;}, executor); |
3517 |
+ |
try { |
3518 |
+ |
f.join(); |
3519 |
+ |
shouldThrow(); |
3520 |
+ |
} catch (CompletionException success) {} |
3521 |
+ |
checkCompletedWithWrappedException(f, ex); |
3522 |
+ |
assertEquals(1, executor.count.get()); |
3523 |
+ |
} |
3524 |
+ |
|
3525 |
+ |
/** |
3526 |
+ |
* orTimeout completes with TimeoutException if not complete |
3527 |
+ |
*/ |
3528 |
+ |
public void testOrTimeout_timesOut() { |
3529 |
+ |
long timeoutMillis = timeoutMillis(); |
3530 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3531 |
+ |
long startTime = System.nanoTime(); |
3532 |
+ |
f.orTimeout(timeoutMillis, MILLISECONDS); |
3533 |
+ |
checkCompletedWithTimeoutException(f); |
3534 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
3535 |
+ |
} |
3536 |
+ |
|
3537 |
+ |
/** |
3538 |
+ |
* orTimeout completes normally if completed before timeout |
3539 |
+ |
*/ |
3540 |
+ |
public void testOrTimeout_completed() { |
3541 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3542 |
+ |
{ |
3543 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3544 |
+ |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3545 |
+ |
long startTime = System.nanoTime(); |
3546 |
+ |
f.complete(v1); |
3547 |
+ |
f.orTimeout(LONG_DELAY_MS, MILLISECONDS); |
3548 |
+ |
g.orTimeout(LONG_DELAY_MS, MILLISECONDS); |
3549 |
+ |
g.complete(v1); |
3550 |
+ |
checkCompletedNormally(f, v1); |
3551 |
+ |
checkCompletedNormally(g, v1); |
3552 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
3553 |
+ |
}} |
3554 |
+ |
|
3555 |
+ |
/** |
3556 |
+ |
* completeOnTimeout completes with given value if not complete |
3557 |
+ |
*/ |
3558 |
+ |
public void testCompleteOnTimeout_timesOut() { |
3559 |
+ |
testInParallel(() -> testCompleteOnTimeout_timesOut(42), |
3560 |
+ |
() -> testCompleteOnTimeout_timesOut(null)); |
3561 |
+ |
} |
3562 |
+ |
|
3563 |
+ |
public void testCompleteOnTimeout_timesOut(Integer v) { |
3564 |
+ |
long timeoutMillis = timeoutMillis(); |
3565 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3566 |
+ |
long startTime = System.nanoTime(); |
3567 |
+ |
f.completeOnTimeout(v, timeoutMillis, MILLISECONDS); |
3568 |
+ |
assertSame(v, f.join()); |
3569 |
+ |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
3570 |
+ |
f.complete(99); // should have no effect |
3571 |
+ |
checkCompletedNormally(f, v); |
3572 |
+ |
} |
3573 |
+ |
|
3574 |
+ |
/** |
3575 |
+ |
* completeOnTimeout has no effect if completed within timeout |
3576 |
+ |
*/ |
3577 |
+ |
public void testCompleteOnTimeout_completed() { |
3578 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3579 |
+ |
{ |
3580 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3581 |
+ |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3582 |
+ |
long startTime = System.nanoTime(); |
3583 |
+ |
f.complete(v1); |
3584 |
+ |
f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS); |
3585 |
+ |
g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS); |
3586 |
+ |
g.complete(v1); |
3587 |
+ |
checkCompletedNormally(f, v1); |
3588 |
+ |
checkCompletedNormally(g, v1); |
3589 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
3590 |
+ |
}} |
3591 |
+ |
|
3592 |
+ |
/** |
3593 |
+ |
* delayedExecutor returns an executor that delays submission |
3594 |
+ |
*/ |
3595 |
+ |
public void testDelayedExecutor() { |
3596 |
+ |
testInParallel(() -> testDelayedExecutor(null, null), |
3597 |
+ |
() -> testDelayedExecutor(null, 1), |
3598 |
+ |
() -> testDelayedExecutor(new ThreadExecutor(), 1), |
3599 |
+ |
() -> testDelayedExecutor(new ThreadExecutor(), 1)); |
3600 |
+ |
} |
3601 |
+ |
|
3602 |
+ |
public void testDelayedExecutor(Executor executor, Integer v) throws Exception { |
3603 |
+ |
long timeoutMillis = timeoutMillis(); |
3604 |
+ |
// Use an "unreasonably long" long timeout to catch lingering threads |
3605 |
+ |
long longTimeoutMillis = 1000 * 60 * 60 * 24; |
3606 |
+ |
final Executor delayer, longDelayer; |
3607 |
+ |
if (executor == null) { |
3608 |
+ |
delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS); |
3609 |
+ |
longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS); |
3610 |
+ |
} else { |
3611 |
+ |
delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor); |
3612 |
+ |
longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor); |
3613 |
+ |
} |
3614 |
+ |
long startTime = System.nanoTime(); |
3615 |
+ |
CompletableFuture<Integer> f = |
3616 |
+ |
CompletableFuture.supplyAsync(() -> v, delayer); |
3617 |
+ |
CompletableFuture<Integer> g = |
3618 |
+ |
CompletableFuture.supplyAsync(() -> v, longDelayer); |
3619 |
+ |
|
3620 |
+ |
assertNull(g.getNow(null)); |
3621 |
+ |
|
3622 |
+ |
assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS)); |
3623 |
+ |
long millisElapsed = millisElapsedSince(startTime); |
3624 |
+ |
assertTrue(millisElapsed >= timeoutMillis); |
3625 |
+ |
assertTrue(millisElapsed < LONG_DELAY_MS / 2); |
3626 |
+ |
|
3627 |
+ |
checkCompletedNormally(f, v); |
3628 |
+ |
|
3629 |
+ |
checkIncomplete(g); |
3630 |
+ |
assertTrue(g.cancel(true)); |
3631 |
+ |
} |
3632 |
+ |
|
3633 |
+ |
//--- tests of implementation details; not part of official tck --- |
3634 |
+ |
|
3635 |
+ |
Object resultOf(CompletableFuture<?> f) { |
3636 |
+ |
try { |
3637 |
+ |
java.lang.reflect.Field resultField |
3638 |
+ |
= CompletableFuture.class.getDeclaredField("result"); |
3639 |
+ |
resultField.setAccessible(true); |
3640 |
+ |
return resultField.get(f); |
3641 |
+ |
} catch (Throwable t) { throw new AssertionError(t); } |
3642 |
+ |
} |
3643 |
+ |
|
3644 |
+ |
public void testExceptionPropagationReusesResultObject() { |
3645 |
+ |
if (!testImplementationDetails) return; |
3646 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
3647 |
+ |
{ |
3648 |
+ |
final CFException ex = new CFException(); |
3649 |
+ |
final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42); |
3650 |
+ |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
3651 |
+ |
|
3652 |
+ |
List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs |
3653 |
+ |
= new ArrayList<>(); |
3654 |
+ |
|
3655 |
+ |
funs.add((y) -> m.thenRun(y, new Noop(m))); |
3656 |
+ |
funs.add((y) -> m.thenAccept(y, new NoopConsumer(m))); |
3657 |
+ |
funs.add((y) -> m.thenApply(y, new IncFunction(m))); |
3658 |
+ |
|
3659 |
+ |
funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m))); |
3660 |
+ |
funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m))); |
3661 |
+ |
funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m))); |
3662 |
+ |
|
3663 |
+ |
funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m))); |
3664 |
+ |
funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m))); |
3665 |
+ |
funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m))); |
3666 |
+ |
|
3667 |
+ |
funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {})); |
3668 |
+ |
|
3669 |
+ |
funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m))); |
3670 |
+ |
|
3671 |
+ |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42})); |
3672 |
+ |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete})); |
3673 |
+ |
|
3674 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3675 |
+ |
fun : funs) { |
3676 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3677 |
+ |
f.completeExceptionally(ex); |
3678 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3679 |
+ |
checkCompletedWithWrappedException(src, ex); |
3680 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3681 |
+ |
checkCompletedWithWrappedException(dep, ex); |
3682 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3683 |
+ |
} |
3684 |
+ |
|
3685 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3686 |
+ |
fun : funs) { |
3687 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3688 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3689 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3690 |
+ |
f.completeExceptionally(ex); |
3691 |
+ |
checkCompletedWithWrappedException(src, ex); |
3692 |
+ |
checkCompletedWithWrappedException(dep, ex); |
3693 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3694 |
+ |
} |
3695 |
+ |
|
3696 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
3697 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3698 |
+ |
fun : funs) { |
3699 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3700 |
+ |
f.cancel(mayInterruptIfRunning); |
3701 |
+ |
checkCancelled(f); |
3702 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3703 |
+ |
checkCompletedWithWrappedCancellationException(src); |
3704 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3705 |
+ |
checkCompletedWithWrappedCancellationException(dep); |
3706 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3707 |
+ |
} |
3708 |
+ |
|
3709 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
3710 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3711 |
+ |
fun : funs) { |
3712 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3713 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3714 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3715 |
+ |
f.cancel(mayInterruptIfRunning); |
3716 |
+ |
checkCancelled(f); |
3717 |
+ |
checkCompletedWithWrappedCancellationException(src); |
3718 |
+ |
checkCompletedWithWrappedCancellationException(dep); |
3719 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3720 |
+ |
} |
3721 |
+ |
}} |
3722 |
+ |
|
3723 |
+ |
/** |
3724 |
+ |
* Minimal completion stages throw UOE for all non-CompletionStage methods |
3725 |
+ |
*/ |
3726 |
+ |
public void testMinimalCompletionStage_minimality() { |
3727 |
+ |
if (!testImplementationDetails) return; |
3728 |
+ |
Function<Method, String> toSignature = |
3729 |
+ |
(method) -> method.getName() + Arrays.toString(method.getParameterTypes()); |
3730 |
+ |
Predicate<Method> isNotStatic = |
3731 |
+ |
(method) -> (method.getModifiers() & Modifier.STATIC) == 0; |
3732 |
+ |
List<Method> minimalMethods = |
3733 |
+ |
Stream.of(Object.class, CompletionStage.class) |
3734 |
+ |
.flatMap((klazz) -> Stream.of(klazz.getMethods())) |
3735 |
+ |
.filter(isNotStatic) |
3736 |
+ |
.collect(Collectors.toList()); |
3737 |
+ |
// Methods from CompletableFuture permitted NOT to throw UOE |
3738 |
+ |
String[] signatureWhitelist = { |
3739 |
+ |
"newIncompleteFuture[]", |
3740 |
+ |
"defaultExecutor[]", |
3741 |
+ |
"minimalCompletionStage[]", |
3742 |
+ |
"copy[]", |
3743 |
+ |
}; |
3744 |
+ |
Set<String> permittedMethodSignatures = |
3745 |
+ |
Stream.concat(minimalMethods.stream().map(toSignature), |
3746 |
+ |
Stream.of(signatureWhitelist)) |
3747 |
+ |
.collect(Collectors.toSet()); |
3748 |
+ |
List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods()) |
3749 |
+ |
.filter(isNotStatic) |
3750 |
+ |
.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method))) |
3751 |
+ |
.collect(Collectors.toList()); |
3752 |
+ |
|
3753 |
+ |
CompletionStage<Integer> minimalStage = |
3754 |
+ |
new CompletableFuture<Integer>().minimalCompletionStage(); |
3755 |
+ |
|
3756 |
+ |
List<Method> bugs = new ArrayList<>(); |
3757 |
+ |
for (Method method : allMethods) { |
3758 |
+ |
Class<?>[] parameterTypes = method.getParameterTypes(); |
3759 |
+ |
Object[] args = new Object[parameterTypes.length]; |
3760 |
+ |
// Manufacture boxed primitives for primitive params |
3761 |
+ |
for (int i = 0; i < args.length; i++) { |
3762 |
+ |
Class<?> type = parameterTypes[i]; |
3763 |
+ |
if (parameterTypes[i] == boolean.class) |
3764 |
+ |
args[i] = false; |
3765 |
+ |
else if (parameterTypes[i] == int.class) |
3766 |
+ |
args[i] = 0; |
3767 |
+ |
else if (parameterTypes[i] == long.class) |
3768 |
+ |
args[i] = 0L; |
3769 |
+ |
} |
3770 |
+ |
try { |
3771 |
+ |
method.invoke(minimalStage, args); |
3772 |
+ |
bugs.add(method); |
3773 |
+ |
} |
3774 |
+ |
catch (java.lang.reflect.InvocationTargetException expected) { |
3775 |
+ |
if (! (expected.getCause() instanceof UnsupportedOperationException)) { |
3776 |
+ |
bugs.add(method); |
3777 |
+ |
// expected.getCause().printStackTrace(); |
3778 |
+ |
} |
3779 |
+ |
} |
3780 |
+ |
catch (ReflectiveOperationException bad) { throw new Error(bad); } |
3781 |
+ |
} |
3782 |
+ |
if (!bugs.isEmpty()) |
3783 |
+ |
throw new Error("Methods did not throw UOE: " + bugs.toString()); |
3784 |
+ |
} |
3785 |
+ |
|
3786 |
+ |
static class Monad { |
3787 |
+ |
static class ZeroException extends RuntimeException { |
3788 |
+ |
public ZeroException() { super("monadic zero"); } |
3789 |
+ |
} |
3790 |
+ |
// "return", "unit" |
3791 |
+ |
static <T> CompletableFuture<T> unit(T value) { |
3792 |
+ |
return completedFuture(value); |
3793 |
+ |
} |
3794 |
+ |
// monadic zero ? |
3795 |
+ |
static <T> CompletableFuture<T> zero() { |
3796 |
+ |
return failedFuture(new ZeroException()); |
3797 |
+ |
} |
3798 |
+ |
// >=> |
3799 |
+ |
static <T,U,V> Function<T, CompletableFuture<V>> compose |
3800 |
+ |
(Function<T, CompletableFuture<U>> f, |
3801 |
+ |
Function<U, CompletableFuture<V>> g) { |
3802 |
+ |
return (x) -> f.apply(x).thenCompose(g); |
3803 |
+ |
} |
3804 |
+ |
|
3805 |
+ |
static void assertZero(CompletableFuture<?> f) { |
3806 |
+ |
try { |
3807 |
+ |
f.getNow(null); |
3808 |
+ |
throw new AssertionFailedError("should throw"); |
3809 |
+ |
} catch (CompletionException success) { |
3810 |
+ |
assertTrue(success.getCause() instanceof ZeroException); |
3811 |
+ |
} |
3812 |
+ |
} |
3813 |
+ |
|
3814 |
+ |
static <T> void assertFutureEquals(CompletableFuture<T> f, |
3815 |
+ |
CompletableFuture<T> g) { |
3816 |
+ |
T fval = null, gval = null; |
3817 |
+ |
Throwable fex = null, gex = null; |
3818 |
+ |
|
3819 |
+ |
try { fval = f.get(); } |
3820 |
+ |
catch (ExecutionException ex) { fex = ex.getCause(); } |
3821 |
+ |
catch (Throwable ex) { fex = ex; } |
3822 |
+ |
|
3823 |
+ |
try { gval = g.get(); } |
3824 |
+ |
catch (ExecutionException ex) { gex = ex.getCause(); } |
3825 |
+ |
catch (Throwable ex) { gex = ex; } |
3826 |
+ |
|
3827 |
+ |
if (fex != null || gex != null) |
3828 |
+ |
assertSame(fex.getClass(), gex.getClass()); |
3829 |
+ |
else |
3830 |
+ |
assertEquals(fval, gval); |
3831 |
+ |
} |
3832 |
+ |
|
3833 |
+ |
static class PlusFuture<T> extends CompletableFuture<T> { |
3834 |
+ |
AtomicReference<Throwable> firstFailure = new AtomicReference<>(null); |
3835 |
+ |
} |
3836 |
+ |
|
3837 |
+ |
/** Implements "monadic plus". */ |
3838 |
+ |
static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f, |
3839 |
+ |
CompletableFuture<? extends T> g) { |
3840 |
+ |
PlusFuture<T> plus = new PlusFuture<T>(); |
3841 |
+ |
BiConsumer<T, Throwable> action = (T result, Throwable ex) -> { |
3842 |
+ |
try { |
3843 |
+ |
if (ex == null) { |
3844 |
+ |
if (plus.complete(result)) |
3845 |
+ |
if (plus.firstFailure.get() != null) |
3846 |
+ |
plus.firstFailure.set(null); |
3847 |
+ |
} |
3848 |
+ |
else if (plus.firstFailure.compareAndSet(null, ex)) { |
3849 |
+ |
if (plus.isDone()) |
3850 |
+ |
plus.firstFailure.set(null); |
3851 |
+ |
} |
3852 |
+ |
else { |
3853 |
+ |
// first failure has precedence |
3854 |
+ |
Throwable first = plus.firstFailure.getAndSet(null); |
3855 |
+ |
|
3856 |
+ |
// may fail with "Self-suppression not permitted" |
3857 |
+ |
try { first.addSuppressed(ex); } |
3858 |
+ |
catch (Exception ignored) {} |
3859 |
+ |
|
3860 |
+ |
plus.completeExceptionally(first); |
3861 |
+ |
} |
3862 |
+ |
} catch (Throwable unexpected) { |
3863 |
+ |
plus.completeExceptionally(unexpected); |
3864 |
+ |
} |
3865 |
+ |
}; |
3866 |
+ |
f.whenComplete(action); |
3867 |
+ |
g.whenComplete(action); |
3868 |
+ |
return plus; |
3869 |
+ |
} |
3870 |
+ |
} |
3871 |
+ |
|
3872 |
+ |
/** |
3873 |
+ |
* CompletableFuture is an additive monad - sort of. |
3874 |
+ |
* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads |
3875 |
+ |
*/ |
3876 |
+ |
public void testAdditiveMonad() throws Throwable { |
3877 |
+ |
Function<Long, CompletableFuture<Long>> unit = Monad::unit; |
3878 |
+ |
CompletableFuture<Long> zero = Monad.zero(); |
3879 |
+ |
|
3880 |
+ |
// Some mutually non-commutative functions |
3881 |
+ |
Function<Long, CompletableFuture<Long>> triple |
3882 |
+ |
= (x) -> Monad.unit(3 * x); |
3883 |
+ |
Function<Long, CompletableFuture<Long>> inc |
3884 |
+ |
= (x) -> Monad.unit(x + 1); |
3885 |
+ |
|
3886 |
+ |
// unit is a right identity: m >>= unit === m |
3887 |
+ |
Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit), |
3888 |
+ |
inc.apply(5L)); |
3889 |
+ |
// unit is a left identity: (unit x) >>= f === f x |
3890 |
+ |
Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc), |
3891 |
+ |
inc.apply(5L)); |
3892 |
+ |
|
3893 |
+ |
// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) ) |
3894 |
+ |
Monad.assertFutureEquals( |
3895 |
+ |
unit.apply(5L).thenCompose(inc).thenCompose(triple), |
3896 |
+ |
unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple))); |
3897 |
+ |
|
3898 |
+ |
// The case for CompletableFuture as an additive monad is weaker... |
3899 |
+ |
|
3900 |
+ |
// zero is a monadic zero |
3901 |
+ |
Monad.assertZero(zero); |
3902 |
+ |
|
3903 |
+ |
// left zero: zero >>= f === zero |
3904 |
+ |
Monad.assertZero(zero.thenCompose(inc)); |
3905 |
+ |
// right zero: f >>= (\x -> zero) === zero |
3906 |
+ |
Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero)); |
3907 |
+ |
|
3908 |
+ |
// f plus zero === f |
3909 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
3910 |
+ |
Monad.plus(Monad.unit(5L), zero)); |
3911 |
+ |
// zero plus f === f |
3912 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
3913 |
+ |
Monad.plus(zero, Monad.unit(5L))); |
3914 |
+ |
// zero plus zero === zero |
3915 |
+ |
Monad.assertZero(Monad.plus(zero, zero)); |
3916 |
+ |
{ |
3917 |
+ |
CompletableFuture<Long> f = Monad.plus(Monad.unit(5L), |
3918 |
+ |
Monad.unit(8L)); |
3919 |
+ |
// non-determinism |
3920 |
+ |
assertTrue(f.get() == 5L || f.get() == 8L); |
3921 |
+ |
} |
3922 |
+ |
|
3923 |
+ |
CompletableFuture<Long> godot = new CompletableFuture<>(); |
3924 |
+ |
// f plus godot === f (doesn't wait for godot) |
3925 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
3926 |
+ |
Monad.plus(Monad.unit(5L), godot)); |
3927 |
+ |
// godot plus f === f (doesn't wait for godot) |
3928 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
3929 |
+ |
Monad.plus(godot, Monad.unit(5L))); |
3930 |
+ |
} |
3931 |
+ |
|
3932 |
+ |
/** |
3933 |
+ |
* A single CompletableFuture with many dependents. |
3934 |
+ |
* A demo of scalability - runtime is O(n). |
3935 |
+ |
*/ |
3936 |
+ |
public void testManyDependents() throws Throwable { |
3937 |
+ |
final int n = 1_000; |
3938 |
+ |
final CompletableFuture<Void> head = new CompletableFuture<>(); |
3939 |
+ |
final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null); |
3940 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
3941 |
+ |
for (int i = 0; i < n; i++) { |
3942 |
+ |
head.thenRun(() -> count.getAndIncrement()); |
3943 |
+ |
head.thenAccept((x) -> count.getAndIncrement()); |
3944 |
+ |
head.thenApply((x) -> count.getAndIncrement()); |
3945 |
+ |
|
3946 |
+ |
head.runAfterBoth(complete, () -> count.getAndIncrement()); |
3947 |
+ |
head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement()); |
3948 |
+ |
head.thenCombine(complete, (x, y) -> count.getAndIncrement()); |
3949 |
+ |
complete.runAfterBoth(head, () -> count.getAndIncrement()); |
3950 |
+ |
complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement()); |
3951 |
+ |
complete.thenCombine(head, (x, y) -> count.getAndIncrement()); |
3952 |
+ |
|
3953 |
+ |
head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement()); |
3954 |
+ |
head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement()); |
3955 |
+ |
head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement()); |
3956 |
+ |
new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement()); |
3957 |
+ |
new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement()); |
3958 |
+ |
new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement()); |
3959 |
+ |
} |
3960 |
+ |
head.complete(null); |
3961 |
+ |
assertEquals(5 * 3 * n, count.get()); |
3962 |
+ |
} |
3963 |
+ |
|
3964 |
+ |
// static <U> U join(CompletionStage<U> stage) { |
3965 |
+ |
// CompletableFuture<U> f = new CompletableFuture<>(); |
3966 |
+ |
// stage.whenComplete((v, ex) -> { |
3967 |
+ |
// if (ex != null) f.completeExceptionally(ex); else f.complete(v); |
3968 |
+ |
// }); |
3969 |
+ |
// return f.join(); |
3970 |
+ |
// } |
3971 |
+ |
|
3972 |
+ |
// static <U> boolean isDone(CompletionStage<U> stage) { |
3973 |
+ |
// CompletableFuture<U> f = new CompletableFuture<>(); |
3974 |
+ |
// stage.whenComplete((v, ex) -> { |
3975 |
+ |
// if (ex != null) f.completeExceptionally(ex); else f.complete(v); |
3976 |
+ |
// }); |
3977 |
+ |
// return f.isDone(); |
3978 |
+ |
// } |
3979 |
+ |
|
3980 |
+ |
// static <U> U join2(CompletionStage<U> stage) { |
3981 |
+ |
// return stage.toCompletableFuture().copy().join(); |
3982 |
+ |
// } |
3983 |
+ |
|
3984 |
+ |
// static <U> boolean isDone2(CompletionStage<U> stage) { |
3985 |
+ |
// return stage.toCompletableFuture().copy().isDone(); |
3986 |
+ |
// } |
3987 |
+ |
|
3988 |
|
} |