5 |
|
* http://creativecommons.org/publicdomain/zero/1.0/ |
6 |
|
*/ |
7 |
|
|
8 |
< |
import junit.framework.*; |
8 |
> |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
9 |
> |
import static java.util.concurrent.TimeUnit.SECONDS; |
10 |
> |
import static java.util.concurrent.CompletableFuture.completedFuture; |
11 |
> |
import static java.util.concurrent.CompletableFuture.failedFuture; |
12 |
> |
|
13 |
> |
import java.lang.reflect.Method; |
14 |
> |
import java.lang.reflect.Modifier; |
15 |
> |
|
16 |
> |
import java.util.stream.Collectors; |
17 |
> |
import java.util.stream.Stream; |
18 |
> |
|
19 |
> |
import java.util.ArrayList; |
20 |
> |
import java.util.Arrays; |
21 |
> |
import java.util.List; |
22 |
> |
import java.util.Objects; |
23 |
> |
import java.util.Set; |
24 |
|
import java.util.concurrent.Callable; |
10 |
– |
import java.util.concurrent.Executor; |
11 |
– |
import java.util.concurrent.ExecutorService; |
12 |
– |
import java.util.concurrent.Executors; |
25 |
|
import java.util.concurrent.CancellationException; |
14 |
– |
import java.util.concurrent.CountDownLatch; |
15 |
– |
import java.util.concurrent.ExecutionException; |
16 |
– |
import java.util.concurrent.Future; |
26 |
|
import java.util.concurrent.CompletableFuture; |
27 |
|
import java.util.concurrent.CompletionException; |
28 |
+ |
import java.util.concurrent.CompletionStage; |
29 |
+ |
import java.util.concurrent.ExecutionException; |
30 |
+ |
import java.util.concurrent.Executor; |
31 |
+ |
import java.util.concurrent.ForkJoinPool; |
32 |
+ |
import java.util.concurrent.ForkJoinTask; |
33 |
+ |
import java.util.concurrent.RejectedExecutionException; |
34 |
|
import java.util.concurrent.TimeoutException; |
35 |
+ |
import java.util.concurrent.TimeUnit; |
36 |
|
import java.util.concurrent.atomic.AtomicInteger; |
37 |
< |
import static java.util.concurrent.TimeUnit.MILLISECONDS; |
22 |
< |
import static java.util.concurrent.TimeUnit.SECONDS; |
23 |
< |
import java.util.*; |
24 |
< |
import java.util.function.Supplier; |
25 |
< |
import java.util.function.Consumer; |
37 |
> |
import java.util.concurrent.atomic.AtomicReference; |
38 |
|
import java.util.function.BiConsumer; |
27 |
– |
import java.util.function.Function; |
39 |
|
import java.util.function.BiFunction; |
40 |
+ |
import java.util.function.Consumer; |
41 |
+ |
import java.util.function.Function; |
42 |
+ |
import java.util.function.Predicate; |
43 |
+ |
import java.util.function.Supplier; |
44 |
+ |
|
45 |
+ |
import junit.framework.AssertionFailedError; |
46 |
+ |
import junit.framework.Test; |
47 |
+ |
import junit.framework.TestSuite; |
48 |
|
|
49 |
|
public class CompletableFutureTest extends JSR166TestCase { |
50 |
|
|
51 |
|
public static void main(String[] args) { |
52 |
< |
junit.textui.TestRunner.run(suite()); |
52 |
> |
main(suite(), args); |
53 |
|
} |
54 |
|
public static Test suite() { |
55 |
|
return new TestSuite(CompletableFutureTest.class); |
60 |
|
void checkIncomplete(CompletableFuture<?> f) { |
61 |
|
assertFalse(f.isDone()); |
62 |
|
assertFalse(f.isCancelled()); |
63 |
< |
assertTrue(f.toString().contains("[Not completed]")); |
63 |
> |
assertTrue(f.toString().contains("Not completed")); |
64 |
|
try { |
65 |
|
assertNull(f.getNow(null)); |
66 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
73 |
|
} |
74 |
|
|
75 |
|
<T> void checkCompletedNormally(CompletableFuture<T> f, T value) { |
76 |
< |
try { |
77 |
< |
assertEquals(value, f.get(LONG_DELAY_MS, MILLISECONDS)); |
59 |
< |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
76 |
> |
checkTimedGet(f, value); |
77 |
> |
|
78 |
|
try { |
79 |
|
assertEquals(value, f.join()); |
80 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
90 |
|
assertTrue(f.toString().contains("[Completed normally]")); |
91 |
|
} |
92 |
|
|
93 |
< |
void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
93 |
> |
/** |
94 |
> |
* Returns the "raw" internal exceptional completion of f, |
95 |
> |
* without any additional wrapping with CompletionException. |
96 |
> |
*/ |
97 |
> |
<U> Throwable exceptionalCompletion(CompletableFuture<U> f) { |
98 |
> |
// handle (and whenComplete) can distinguish between "direct" |
99 |
> |
// and "wrapped" exceptional completion |
100 |
> |
return f.handle((U u, Throwable t) -> t).join(); |
101 |
> |
} |
102 |
> |
|
103 |
> |
void checkCompletedExceptionally(CompletableFuture<?> f, |
104 |
> |
boolean wrapped, |
105 |
> |
Consumer<Throwable> checker) { |
106 |
> |
Throwable cause = exceptionalCompletion(f); |
107 |
> |
if (wrapped) { |
108 |
> |
assertTrue(cause instanceof CompletionException); |
109 |
> |
cause = cause.getCause(); |
110 |
> |
} |
111 |
> |
checker.accept(cause); |
112 |
> |
|
113 |
> |
long startTime = System.nanoTime(); |
114 |
|
try { |
115 |
|
f.get(LONG_DELAY_MS, MILLISECONDS); |
116 |
|
shouldThrow(); |
117 |
|
} catch (ExecutionException success) { |
118 |
< |
assertTrue(success.getCause() instanceof CFException); |
118 |
> |
assertSame(cause, success.getCause()); |
119 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
120 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
121 |
+ |
|
122 |
|
try { |
123 |
|
f.join(); |
124 |
|
shouldThrow(); |
125 |
|
} catch (CompletionException success) { |
126 |
< |
assertTrue(success.getCause() instanceof CFException); |
127 |
< |
} |
126 |
> |
assertSame(cause, success.getCause()); |
127 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
128 |
> |
|
129 |
|
try { |
130 |
|
f.getNow(null); |
131 |
|
shouldThrow(); |
132 |
|
} catch (CompletionException success) { |
133 |
< |
assertTrue(success.getCause() instanceof CFException); |
134 |
< |
} |
133 |
> |
assertSame(cause, success.getCause()); |
134 |
> |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
135 |
> |
|
136 |
|
try { |
137 |
|
f.get(); |
138 |
|
shouldThrow(); |
139 |
|
} catch (ExecutionException success) { |
140 |
< |
assertTrue(success.getCause() instanceof CFException); |
140 |
> |
assertSame(cause, success.getCause()); |
141 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
142 |
< |
assertTrue(f.isDone()); |
142 |
> |
|
143 |
|
assertFalse(f.isCancelled()); |
144 |
+ |
assertTrue(f.isDone()); |
145 |
+ |
assertTrue(f.isCompletedExceptionally()); |
146 |
|
assertTrue(f.toString().contains("[Completed exceptionally]")); |
147 |
|
} |
148 |
|
|
149 |
+ |
void checkCompletedWithWrappedCFException(CompletableFuture<?> f) { |
150 |
+ |
checkCompletedExceptionally(f, true, |
151 |
+ |
(t) -> assertTrue(t instanceof CFException)); |
152 |
+ |
} |
153 |
+ |
|
154 |
+ |
void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) { |
155 |
+ |
checkCompletedExceptionally(f, true, |
156 |
+ |
(t) -> assertTrue(t instanceof CancellationException)); |
157 |
+ |
} |
158 |
+ |
|
159 |
+ |
void checkCompletedWithTimeoutException(CompletableFuture<?> f) { |
160 |
+ |
checkCompletedExceptionally(f, false, |
161 |
+ |
(t) -> assertTrue(t instanceof TimeoutException)); |
162 |
+ |
} |
163 |
+ |
|
164 |
+ |
void checkCompletedWithWrappedException(CompletableFuture<?> f, |
165 |
+ |
Throwable ex) { |
166 |
+ |
checkCompletedExceptionally(f, true, (t) -> assertSame(t, ex)); |
167 |
+ |
} |
168 |
+ |
|
169 |
+ |
void checkCompletedExceptionally(CompletableFuture<?> f, Throwable ex) { |
170 |
+ |
checkCompletedExceptionally(f, false, (t) -> assertSame(t, ex)); |
171 |
+ |
} |
172 |
+ |
|
173 |
|
void checkCancelled(CompletableFuture<?> f) { |
174 |
+ |
long startTime = System.nanoTime(); |
175 |
|
try { |
176 |
|
f.get(LONG_DELAY_MS, MILLISECONDS); |
177 |
|
shouldThrow(); |
178 |
|
} catch (CancellationException success) { |
179 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
180 |
+ |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
181 |
+ |
|
182 |
|
try { |
183 |
|
f.join(); |
184 |
|
shouldThrow(); |
192 |
|
shouldThrow(); |
193 |
|
} catch (CancellationException success) { |
194 |
|
} catch (Throwable fail) { threadUnexpectedException(fail); } |
124 |
– |
assertTrue(f.isDone()); |
125 |
– |
assertTrue(f.isCompletedExceptionally()); |
126 |
– |
assertTrue(f.isCancelled()); |
127 |
– |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
128 |
– |
} |
195 |
|
|
196 |
< |
void checkCompletedWithWrappedCancellationException(CompletableFuture<?> f) { |
197 |
< |
try { |
132 |
< |
f.get(LONG_DELAY_MS, MILLISECONDS); |
133 |
< |
shouldThrow(); |
134 |
< |
} catch (ExecutionException success) { |
135 |
< |
assertTrue(success.getCause() instanceof CancellationException); |
136 |
< |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
137 |
< |
try { |
138 |
< |
f.join(); |
139 |
< |
shouldThrow(); |
140 |
< |
} catch (CompletionException success) { |
141 |
< |
assertTrue(success.getCause() instanceof CancellationException); |
142 |
< |
} |
143 |
< |
try { |
144 |
< |
f.getNow(null); |
145 |
< |
shouldThrow(); |
146 |
< |
} catch (CompletionException success) { |
147 |
< |
assertTrue(success.getCause() instanceof CancellationException); |
148 |
< |
} |
149 |
< |
try { |
150 |
< |
f.get(); |
151 |
< |
shouldThrow(); |
152 |
< |
} catch (ExecutionException success) { |
153 |
< |
assertTrue(success.getCause() instanceof CancellationException); |
154 |
< |
} catch (Throwable fail) { threadUnexpectedException(fail); } |
196 |
> |
assertTrue(exceptionalCompletion(f) instanceof CancellationException); |
197 |
> |
|
198 |
|
assertTrue(f.isDone()); |
156 |
– |
assertFalse(f.isCancelled()); |
199 |
|
assertTrue(f.isCompletedExceptionally()); |
200 |
+ |
assertTrue(f.isCancelled()); |
201 |
|
assertTrue(f.toString().contains("[Completed exceptionally]")); |
202 |
|
} |
203 |
|
|
215 |
|
* isCancelled, join, get, and getNow |
216 |
|
*/ |
217 |
|
public void testComplete() { |
218 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
219 |
+ |
{ |
220 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
221 |
|
checkIncomplete(f); |
222 |
< |
f.complete(one); |
223 |
< |
checkCompletedNormally(f, one); |
224 |
< |
} |
222 |
> |
assertTrue(f.complete(v1)); |
223 |
> |
assertFalse(f.complete(v1)); |
224 |
> |
checkCompletedNormally(f, v1); |
225 |
> |
}} |
226 |
|
|
227 |
|
/** |
228 |
|
* completeExceptionally completes exceptionally, as indicated by |
230 |
|
*/ |
231 |
|
public void testCompleteExceptionally() { |
232 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
233 |
+ |
CFException ex = new CFException(); |
234 |
|
checkIncomplete(f); |
235 |
< |
f.completeExceptionally(new CFException()); |
236 |
< |
checkCompletedWithWrappedCFException(f); |
235 |
> |
f.completeExceptionally(ex); |
236 |
> |
checkCompletedExceptionally(f, ex); |
237 |
|
} |
238 |
|
|
239 |
|
/** |
241 |
|
* methods isDone, isCancelled, join, get, and getNow |
242 |
|
*/ |
243 |
|
public void testCancel() { |
244 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
245 |
+ |
{ |
246 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
247 |
|
checkIncomplete(f); |
248 |
< |
assertTrue(f.cancel(true)); |
248 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
249 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
250 |
> |
assertTrue(f.cancel(!mayInterruptIfRunning)); |
251 |
|
checkCancelled(f); |
252 |
< |
} |
252 |
> |
}} |
253 |
|
|
254 |
|
/** |
255 |
|
* obtrudeValue forces completion with given value |
257 |
|
public void testObtrudeValue() { |
258 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
259 |
|
checkIncomplete(f); |
260 |
< |
f.complete(one); |
260 |
> |
assertTrue(f.complete(one)); |
261 |
|
checkCompletedNormally(f, one); |
262 |
|
f.obtrudeValue(three); |
263 |
|
checkCompletedNormally(f, three); |
266 |
|
f = new CompletableFuture<>(); |
267 |
|
f.obtrudeValue(three); |
268 |
|
checkCompletedNormally(f, three); |
269 |
+ |
f.obtrudeValue(null); |
270 |
+ |
checkCompletedNormally(f, null); |
271 |
|
f = new CompletableFuture<>(); |
272 |
|
f.completeExceptionally(new CFException()); |
273 |
|
f.obtrudeValue(four); |
278 |
|
* obtrudeException forces completion with given exception |
279 |
|
*/ |
280 |
|
public void testObtrudeException() { |
281 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
282 |
< |
checkIncomplete(f); |
283 |
< |
f.complete(one); |
284 |
< |
checkCompletedNormally(f, one); |
285 |
< |
f.obtrudeException(new CFException()); |
233 |
< |
checkCompletedWithWrappedCFException(f); |
281 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
282 |
> |
{ |
283 |
> |
CFException ex; |
284 |
> |
CompletableFuture<Integer> f; |
285 |
> |
|
286 |
|
f = new CompletableFuture<>(); |
287 |
< |
f.obtrudeException(new CFException()); |
288 |
< |
checkCompletedWithWrappedCFException(f); |
287 |
> |
assertTrue(f.complete(v1)); |
288 |
> |
for (int i = 0; i < 2; i++) { |
289 |
> |
f.obtrudeException(ex = new CFException()); |
290 |
> |
checkCompletedExceptionally(f, ex); |
291 |
> |
} |
292 |
> |
|
293 |
|
f = new CompletableFuture<>(); |
294 |
< |
f.completeExceptionally(new CFException()); |
295 |
< |
f.obtrudeValue(four); |
296 |
< |
checkCompletedNormally(f, four); |
297 |
< |
f.obtrudeException(new CFException()); |
298 |
< |
checkCompletedWithWrappedCFException(f); |
299 |
< |
} |
294 |
> |
for (int i = 0; i < 2; i++) { |
295 |
> |
f.obtrudeException(ex = new CFException()); |
296 |
> |
checkCompletedExceptionally(f, ex); |
297 |
> |
} |
298 |
> |
|
299 |
> |
f = new CompletableFuture<>(); |
300 |
> |
f.completeExceptionally(ex = new CFException()); |
301 |
> |
f.obtrudeValue(v1); |
302 |
> |
checkCompletedNormally(f, v1); |
303 |
> |
f.obtrudeException(ex = new CFException()); |
304 |
> |
checkCompletedExceptionally(f, ex); |
305 |
> |
f.completeExceptionally(new CFException()); |
306 |
> |
checkCompletedExceptionally(f, ex); |
307 |
> |
assertFalse(f.complete(v1)); |
308 |
> |
checkCompletedExceptionally(f, ex); |
309 |
> |
}} |
310 |
|
|
311 |
|
/** |
312 |
|
* getNumberOfDependents returns number of dependent tasks |
313 |
|
*/ |
314 |
|
public void testGetNumberOfDependents() { |
315 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
316 |
< |
assertEquals(f.getNumberOfDependents(), 0); |
317 |
< |
CompletableFuture g = f.thenRun(new Noop()); |
318 |
< |
assertEquals(f.getNumberOfDependents(), 1); |
319 |
< |
assertEquals(g.getNumberOfDependents(), 0); |
320 |
< |
CompletableFuture h = f.thenRun(new Noop()); |
321 |
< |
assertEquals(f.getNumberOfDependents(), 2); |
322 |
< |
f.complete(1); |
315 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
316 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
317 |
> |
{ |
318 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
319 |
> |
assertEquals(0, f.getNumberOfDependents()); |
320 |
> |
final CompletableFuture<Void> g = m.thenRun(f, new Noop(m)); |
321 |
> |
assertEquals(1, f.getNumberOfDependents()); |
322 |
> |
assertEquals(0, g.getNumberOfDependents()); |
323 |
> |
final CompletableFuture<Void> h = m.thenRun(f, new Noop(m)); |
324 |
> |
assertEquals(2, f.getNumberOfDependents()); |
325 |
> |
assertEquals(0, h.getNumberOfDependents()); |
326 |
> |
assertTrue(f.complete(v1)); |
327 |
|
checkCompletedNormally(g, null); |
328 |
< |
assertEquals(f.getNumberOfDependents(), 0); |
329 |
< |
assertEquals(g.getNumberOfDependents(), 0); |
330 |
< |
} |
328 |
> |
checkCompletedNormally(h, null); |
329 |
> |
assertEquals(0, f.getNumberOfDependents()); |
330 |
> |
assertEquals(0, g.getNumberOfDependents()); |
331 |
> |
assertEquals(0, h.getNumberOfDependents()); |
332 |
> |
}} |
333 |
|
|
334 |
|
/** |
335 |
|
* toString indicates current completion state |
340 |
|
f = new CompletableFuture<String>(); |
341 |
|
assertTrue(f.toString().contains("[Not completed]")); |
342 |
|
|
343 |
< |
f.complete("foo"); |
343 |
> |
assertTrue(f.complete("foo")); |
344 |
|
assertTrue(f.toString().contains("[Completed normally]")); |
345 |
|
|
346 |
|
f = new CompletableFuture<String>(); |
347 |
< |
f.completeExceptionally(new IndexOutOfBoundsException()); |
347 |
> |
assertTrue(f.completeExceptionally(new IndexOutOfBoundsException())); |
348 |
|
assertTrue(f.toString().contains("[Completed exceptionally]")); |
349 |
+ |
|
350 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) { |
351 |
+ |
f = new CompletableFuture<String>(); |
352 |
+ |
assertTrue(f.cancel(mayInterruptIfRunning)); |
353 |
+ |
assertTrue(f.toString().contains("[Completed exceptionally]")); |
354 |
+ |
} |
355 |
|
} |
356 |
|
|
357 |
|
/** |
362 |
|
checkCompletedNormally(f, "test"); |
363 |
|
} |
364 |
|
|
365 |
< |
// Choose non-commutative actions for better coverage |
366 |
< |
|
367 |
< |
static final Supplier<Integer> supplyOne = |
368 |
< |
() -> Integer.valueOf(1); |
369 |
< |
static final Function<Integer, Integer> inc = |
370 |
< |
(Integer x) -> Integer.valueOf(x.intValue() + 1); |
371 |
< |
static final BiFunction<Integer, Integer, Integer> subtract = |
294 |
< |
(Integer x, Integer y) -> Integer.valueOf(x.intValue() - y.intValue()); |
295 |
< |
static final class IncAction implements Consumer<Integer> { |
296 |
< |
int value; |
297 |
< |
public void accept(Integer x) { value = x.intValue() + 1; } |
298 |
< |
} |
299 |
< |
static final class SubtractAction implements BiConsumer<Integer, Integer> { |
300 |
< |
int value; |
301 |
< |
public void accept(Integer x, Integer y) { |
302 |
< |
value = x.intValue() - y.intValue(); |
365 |
> |
abstract class CheckedAction { |
366 |
> |
int invocationCount = 0; |
367 |
> |
final ExecutionMode m; |
368 |
> |
CheckedAction(ExecutionMode m) { this.m = m; } |
369 |
> |
void invoked() { |
370 |
> |
m.checkExecutionMode(); |
371 |
> |
assertEquals(0, invocationCount++); |
372 |
|
} |
373 |
< |
} |
374 |
< |
static final class Noop implements Runnable { |
306 |
< |
boolean ran; |
307 |
< |
public void run() { ran = true; } |
308 |
< |
} |
309 |
< |
|
310 |
< |
static final class FailingSupplier implements Supplier<Integer> { |
311 |
< |
boolean ran; |
312 |
< |
public Integer get() { ran = true; throw new CFException(); } |
313 |
< |
} |
314 |
< |
static final class FailingConsumer implements Consumer<Integer> { |
315 |
< |
boolean ran; |
316 |
< |
public void accept(Integer x) { ran = true; throw new CFException(); } |
317 |
< |
} |
318 |
< |
static final class FailingBiConsumer implements BiConsumer<Integer, Integer> { |
319 |
< |
boolean ran; |
320 |
< |
public void accept(Integer x, Integer y) { ran = true; throw new CFException(); } |
321 |
< |
} |
322 |
< |
static final class FailingFunction implements Function<Integer, Integer> { |
323 |
< |
boolean ran; |
324 |
< |
public Integer apply(Integer x) { ran = true; throw new CFException(); } |
325 |
< |
} |
326 |
< |
static final class FailingBiFunction implements BiFunction<Integer, Integer, Integer> { |
327 |
< |
boolean ran; |
328 |
< |
public Integer apply(Integer x, Integer y) { ran = true; throw new CFException(); } |
329 |
< |
} |
330 |
< |
static final class FailingNoop implements Runnable { |
331 |
< |
boolean ran; |
332 |
< |
public void run() { ran = true; throw new CFException(); } |
373 |
> |
void assertNotInvoked() { assertEquals(0, invocationCount); } |
374 |
> |
void assertInvoked() { assertEquals(1, invocationCount); } |
375 |
|
} |
376 |
|
|
377 |
< |
static final class CompletableFutureInc |
378 |
< |
implements Function<Integer, CompletableFuture<Integer>> { |
379 |
< |
boolean ran; |
380 |
< |
public CompletableFuture<Integer> apply(Integer x) { |
381 |
< |
ran = true; |
382 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
341 |
< |
f.complete(Integer.valueOf(x.intValue() + 1)); |
342 |
< |
return f; |
377 |
> |
abstract class CheckedIntegerAction extends CheckedAction { |
378 |
> |
Integer value; |
379 |
> |
CheckedIntegerAction(ExecutionMode m) { super(m); } |
380 |
> |
void assertValue(Integer expected) { |
381 |
> |
assertInvoked(); |
382 |
> |
assertEquals(expected, value); |
383 |
|
} |
384 |
|
} |
385 |
|
|
386 |
< |
static final class FailingCompletableFutureFunction |
387 |
< |
implements Function<Integer, CompletableFuture<Integer>> { |
388 |
< |
boolean ran; |
389 |
< |
public CompletableFuture<Integer> apply(Integer x) { |
390 |
< |
ran = true; throw new CFException(); |
386 |
> |
class IntegerSupplier extends CheckedAction |
387 |
> |
implements Supplier<Integer> |
388 |
> |
{ |
389 |
> |
final Integer value; |
390 |
> |
IntegerSupplier(ExecutionMode m, Integer value) { |
391 |
> |
super(m); |
392 |
> |
this.value = value; |
393 |
|
} |
394 |
< |
} |
395 |
< |
|
396 |
< |
// Used for explicit executor tests |
355 |
< |
static final class ThreadExecutor implements Executor { |
356 |
< |
AtomicInteger count = new AtomicInteger(0); |
357 |
< |
|
358 |
< |
public void execute(Runnable r) { |
359 |
< |
count.getAndIncrement(); |
360 |
< |
new Thread(r).start(); |
394 |
> |
public Integer get() { |
395 |
> |
invoked(); |
396 |
> |
return value; |
397 |
|
} |
398 |
|
} |
399 |
|
|
400 |
< |
static final class ExceptionToInteger implements Function<Throwable, Integer> { |
401 |
< |
public Integer apply(Throwable x) { return Integer.valueOf(3); } |
400 |
> |
// A function that handles and produces null values as well. |
401 |
> |
static Integer inc(Integer x) { |
402 |
> |
return (x == null) ? null : x + 1; |
403 |
|
} |
404 |
|
|
405 |
< |
static final class IntegerHandler implements BiFunction<Integer, Throwable, Integer> { |
406 |
< |
boolean ran; |
407 |
< |
public Integer apply(Integer x, Throwable t) { |
408 |
< |
ran = true; |
409 |
< |
return (t == null) ? two : three; |
405 |
> |
class NoopConsumer extends CheckedIntegerAction |
406 |
> |
implements Consumer<Integer> |
407 |
> |
{ |
408 |
> |
NoopConsumer(ExecutionMode m) { super(m); } |
409 |
> |
public void accept(Integer x) { |
410 |
> |
invoked(); |
411 |
> |
value = x; |
412 |
|
} |
413 |
|
} |
414 |
|
|
415 |
< |
/** |
416 |
< |
* exceptionally action completes with function value on source |
417 |
< |
* exception; otherwise with source value |
418 |
< |
*/ |
419 |
< |
public void testExceptionally() { |
420 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
421 |
< |
ExceptionToInteger r = new ExceptionToInteger(); |
422 |
< |
CompletableFuture<Integer> g = f.exceptionally(r); |
384 |
< |
f.completeExceptionally(new CFException()); |
385 |
< |
checkCompletedNormally(g, three); |
386 |
< |
|
387 |
< |
f = new CompletableFuture<>(); |
388 |
< |
r = new ExceptionToInteger(); |
389 |
< |
g = f.exceptionally(r); |
390 |
< |
f.complete(one); |
391 |
< |
checkCompletedNormally(g, one); |
392 |
< |
} |
393 |
< |
|
394 |
< |
/** |
395 |
< |
* handle action completes normally with function value on either |
396 |
< |
* normal or exceptional completion of source |
397 |
< |
*/ |
398 |
< |
public void testHandle() { |
399 |
< |
CompletableFuture<Integer> f, g; |
400 |
< |
IntegerHandler r; |
401 |
< |
|
402 |
< |
f = new CompletableFuture<>(); |
403 |
< |
f.completeExceptionally(new CFException()); |
404 |
< |
g = f.handle(r = new IntegerHandler()); |
405 |
< |
assertTrue(r.ran); |
406 |
< |
checkCompletedNormally(g, three); |
407 |
< |
|
408 |
< |
f = new CompletableFuture<>(); |
409 |
< |
g = f.handle(r = new IntegerHandler()); |
410 |
< |
assertFalse(r.ran); |
411 |
< |
f.completeExceptionally(new CFException()); |
412 |
< |
checkCompletedNormally(g, three); |
413 |
< |
assertTrue(r.ran); |
414 |
< |
|
415 |
< |
f = new CompletableFuture<>(); |
416 |
< |
f.complete(one); |
417 |
< |
g = f.handle(r = new IntegerHandler()); |
418 |
< |
assertTrue(r.ran); |
419 |
< |
checkCompletedNormally(g, two); |
420 |
< |
|
421 |
< |
f = new CompletableFuture<>(); |
422 |
< |
g = f.handle(r = new IntegerHandler()); |
423 |
< |
assertFalse(r.ran); |
424 |
< |
f.complete(one); |
425 |
< |
assertTrue(r.ran); |
426 |
< |
checkCompletedNormally(g, two); |
427 |
< |
} |
428 |
< |
|
429 |
< |
/** |
430 |
< |
* runAsync completes after running Runnable |
431 |
< |
*/ |
432 |
< |
public void testRunAsync() { |
433 |
< |
Noop r = new Noop(); |
434 |
< |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
435 |
< |
assertNull(f.join()); |
436 |
< |
assertTrue(r.ran); |
437 |
< |
checkCompletedNormally(f, null); |
438 |
< |
} |
439 |
< |
|
440 |
< |
/** |
441 |
< |
* runAsync with executor completes after running Runnable |
442 |
< |
*/ |
443 |
< |
public void testRunAsync2() { |
444 |
< |
Noop r = new Noop(); |
445 |
< |
ThreadExecutor exec = new ThreadExecutor(); |
446 |
< |
CompletableFuture<Void> f = CompletableFuture.runAsync(r, exec); |
447 |
< |
assertNull(f.join()); |
448 |
< |
assertTrue(r.ran); |
449 |
< |
checkCompletedNormally(f, null); |
450 |
< |
assertEquals(1, exec.count.get()); |
451 |
< |
} |
452 |
< |
|
453 |
< |
/** |
454 |
< |
* failing runAsync completes exceptionally after running Runnable |
455 |
< |
*/ |
456 |
< |
public void testRunAsync3() { |
457 |
< |
FailingNoop r = new FailingNoop(); |
458 |
< |
CompletableFuture<Void> f = CompletableFuture.runAsync(r); |
459 |
< |
checkCompletedWithWrappedCFException(f); |
460 |
< |
assertTrue(r.ran); |
461 |
< |
} |
462 |
< |
|
463 |
< |
/** |
464 |
< |
* supplyAsync completes with result of supplier |
465 |
< |
*/ |
466 |
< |
public void testSupplyAsync() { |
467 |
< |
CompletableFuture<Integer> f; |
468 |
< |
f = CompletableFuture.supplyAsync(supplyOne); |
469 |
< |
assertEquals(f.join(), one); |
470 |
< |
checkCompletedNormally(f, one); |
471 |
< |
} |
472 |
< |
|
473 |
< |
/** |
474 |
< |
* supplyAsync with executor completes with result of supplier |
475 |
< |
*/ |
476 |
< |
public void testSupplyAsync2() { |
477 |
< |
CompletableFuture<Integer> f; |
478 |
< |
f = CompletableFuture.supplyAsync(supplyOne, new ThreadExecutor()); |
479 |
< |
assertEquals(f.join(), one); |
480 |
< |
checkCompletedNormally(f, one); |
481 |
< |
} |
482 |
< |
|
483 |
< |
/** |
484 |
< |
* Failing supplyAsync completes exceptionally |
485 |
< |
*/ |
486 |
< |
public void testSupplyAsync3() { |
487 |
< |
FailingSupplier r = new FailingSupplier(); |
488 |
< |
CompletableFuture<Integer> f = CompletableFuture.supplyAsync(r); |
489 |
< |
checkCompletedWithWrappedCFException(f); |
490 |
< |
assertTrue(r.ran); |
491 |
< |
} |
492 |
< |
|
493 |
< |
// seq completion methods |
494 |
< |
|
495 |
< |
/** |
496 |
< |
* thenRun result completes normally after normal completion of source |
497 |
< |
*/ |
498 |
< |
public void testThenRun() { |
499 |
< |
CompletableFuture<Integer> f; |
500 |
< |
CompletableFuture<Void> g; |
501 |
< |
Noop r; |
502 |
< |
|
503 |
< |
f = new CompletableFuture<>(); |
504 |
< |
g = f.thenRun(r = new Noop()); |
505 |
< |
f.complete(null); |
506 |
< |
checkCompletedNormally(g, null); |
507 |
< |
assertTrue(r.ran); |
508 |
< |
|
509 |
< |
f = new CompletableFuture<>(); |
510 |
< |
f.complete(null); |
511 |
< |
g = f.thenRun(r = new Noop()); |
512 |
< |
checkCompletedNormally(g, null); |
513 |
< |
assertTrue(r.ran); |
514 |
< |
} |
515 |
< |
|
516 |
< |
/** |
517 |
< |
* thenRun result completes exceptionally after exceptional |
518 |
< |
* completion of source |
519 |
< |
*/ |
520 |
< |
public void testThenRun2() { |
521 |
< |
CompletableFuture<Integer> f; |
522 |
< |
CompletableFuture<Void> g; |
523 |
< |
Noop r; |
524 |
< |
|
525 |
< |
f = new CompletableFuture<>(); |
526 |
< |
g = f.thenRun(r = new Noop()); |
527 |
< |
f.completeExceptionally(new CFException()); |
528 |
< |
checkCompletedWithWrappedCFException(g); |
529 |
< |
assertFalse(r.ran); |
530 |
< |
|
531 |
< |
f = new CompletableFuture<>(); |
532 |
< |
f.completeExceptionally(new CFException()); |
533 |
< |
g = f.thenRun(r = new Noop()); |
534 |
< |
checkCompletedWithWrappedCFException(g); |
535 |
< |
assertFalse(r.ran); |
536 |
< |
} |
537 |
< |
|
538 |
< |
/** |
539 |
< |
* thenRun result completes exceptionally if action does |
540 |
< |
*/ |
541 |
< |
public void testThenRun3() { |
542 |
< |
CompletableFuture<Integer> f; |
543 |
< |
CompletableFuture<Void> g; |
544 |
< |
FailingNoop r; |
545 |
< |
|
546 |
< |
f = new CompletableFuture<>(); |
547 |
< |
g = f.thenRun(r = new FailingNoop()); |
548 |
< |
f.complete(null); |
549 |
< |
checkCompletedWithWrappedCFException(g); |
550 |
< |
|
551 |
< |
f = new CompletableFuture<>(); |
552 |
< |
f.complete(null); |
553 |
< |
g = f.thenRun(r = new FailingNoop()); |
554 |
< |
checkCompletedWithWrappedCFException(g); |
555 |
< |
} |
556 |
< |
|
557 |
< |
/** |
558 |
< |
* thenRun result completes exceptionally if source cancelled |
559 |
< |
*/ |
560 |
< |
public void testThenRun4() { |
561 |
< |
CompletableFuture<Integer> f; |
562 |
< |
CompletableFuture<Void> g; |
563 |
< |
Noop r; |
564 |
< |
|
565 |
< |
f = new CompletableFuture<>(); |
566 |
< |
g = f.thenRun(r = new Noop()); |
567 |
< |
assertTrue(f.cancel(true)); |
568 |
< |
checkCompletedWithWrappedCancellationException(g); |
569 |
< |
|
570 |
< |
f = new CompletableFuture<>(); |
571 |
< |
assertTrue(f.cancel(true)); |
572 |
< |
g = f.thenRun(r = new Noop()); |
573 |
< |
checkCompletedWithWrappedCancellationException(g); |
574 |
< |
} |
575 |
< |
|
576 |
< |
/** |
577 |
< |
* thenApply result completes normally after normal completion of source |
578 |
< |
*/ |
579 |
< |
public void testThenApply() { |
580 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
581 |
< |
CompletableFuture<Integer> g = f.thenApply(inc); |
582 |
< |
f.complete(one); |
583 |
< |
checkCompletedNormally(g, two); |
584 |
< |
} |
585 |
< |
|
586 |
< |
/** |
587 |
< |
* thenApply result completes exceptionally after exceptional |
588 |
< |
* completion of source |
589 |
< |
*/ |
590 |
< |
public void testThenApply2() { |
591 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
592 |
< |
CompletableFuture<Integer> g = f.thenApply(inc); |
593 |
< |
f.completeExceptionally(new CFException()); |
594 |
< |
checkCompletedWithWrappedCFException(g); |
595 |
< |
} |
596 |
< |
|
597 |
< |
/** |
598 |
< |
* thenApply result completes exceptionally if action does |
599 |
< |
*/ |
600 |
< |
public void testThenApply3() { |
601 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
602 |
< |
CompletableFuture<Integer> g = f.thenApply(new FailingFunction()); |
603 |
< |
f.complete(one); |
604 |
< |
checkCompletedWithWrappedCFException(g); |
605 |
< |
} |
606 |
< |
|
607 |
< |
/** |
608 |
< |
* thenApply result completes exceptionally if source cancelled |
609 |
< |
*/ |
610 |
< |
public void testThenApply4() { |
611 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
612 |
< |
CompletableFuture<Integer> g = f.thenApply(inc); |
613 |
< |
assertTrue(f.cancel(true)); |
614 |
< |
checkCompletedWithWrappedCancellationException(g); |
615 |
< |
} |
616 |
< |
|
617 |
< |
/** |
618 |
< |
* thenAccept result completes normally after normal completion of source |
619 |
< |
*/ |
620 |
< |
public void testThenAccept() { |
621 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
622 |
< |
IncAction r = new IncAction(); |
623 |
< |
CompletableFuture<Void> g = f.thenAccept(r); |
624 |
< |
f.complete(one); |
625 |
< |
checkCompletedNormally(g, null); |
626 |
< |
assertEquals(r.value, 2); |
627 |
< |
} |
628 |
< |
|
629 |
< |
/** |
630 |
< |
* thenAccept result completes exceptionally after exceptional |
631 |
< |
* completion of source |
632 |
< |
*/ |
633 |
< |
public void testThenAccept2() { |
634 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
635 |
< |
IncAction r = new IncAction(); |
636 |
< |
CompletableFuture<Void> g = f.thenAccept(r); |
637 |
< |
f.completeExceptionally(new CFException()); |
638 |
< |
checkCompletedWithWrappedCFException(g); |
415 |
> |
class IncFunction extends CheckedIntegerAction |
416 |
> |
implements Function<Integer,Integer> |
417 |
> |
{ |
418 |
> |
IncFunction(ExecutionMode m) { super(m); } |
419 |
> |
public Integer apply(Integer x) { |
420 |
> |
invoked(); |
421 |
> |
return value = inc(x); |
422 |
> |
} |
423 |
|
} |
424 |
|
|
425 |
< |
/** |
426 |
< |
* thenAccept result completes exceptionally if action does |
427 |
< |
*/ |
428 |
< |
public void testThenAccept3() { |
429 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
430 |
< |
FailingConsumer r = new FailingConsumer(); |
647 |
< |
CompletableFuture<Void> g = f.thenAccept(r); |
648 |
< |
f.complete(one); |
649 |
< |
checkCompletedWithWrappedCFException(g); |
650 |
< |
assertTrue(r.ran); |
425 |
> |
// Choose non-commutative actions for better coverage |
426 |
> |
// A non-commutative function that handles and produces null values as well. |
427 |
> |
static Integer subtract(Integer x, Integer y) { |
428 |
> |
return (x == null && y == null) ? null : |
429 |
> |
((x == null) ? 42 : x.intValue()) |
430 |
> |
- ((y == null) ? 99 : y.intValue()); |
431 |
|
} |
432 |
|
|
433 |
< |
/** |
434 |
< |
* thenAccept result completes exceptionally if source cancelled |
435 |
< |
*/ |
436 |
< |
public void testThenAccept4() { |
437 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
438 |
< |
IncAction r = new IncAction(); |
439 |
< |
CompletableFuture<Void> g = f.thenAccept(r); |
440 |
< |
assertTrue(f.cancel(true)); |
661 |
< |
checkCompletedWithWrappedCancellationException(g); |
433 |
> |
class SubtractAction extends CheckedIntegerAction |
434 |
> |
implements BiConsumer<Integer, Integer> |
435 |
> |
{ |
436 |
> |
SubtractAction(ExecutionMode m) { super(m); } |
437 |
> |
public void accept(Integer x, Integer y) { |
438 |
> |
invoked(); |
439 |
> |
value = subtract(x, y); |
440 |
> |
} |
441 |
|
} |
442 |
|
|
443 |
< |
/** |
444 |
< |
* thenCombine result completes normally after normal completion |
445 |
< |
* of sources |
446 |
< |
*/ |
447 |
< |
public void testThenCombine() { |
448 |
< |
CompletableFuture<Integer> f, g, h; |
449 |
< |
|
450 |
< |
f = new CompletableFuture<>(); |
672 |
< |
g = new CompletableFuture<>(); |
673 |
< |
h = f.thenCombine(g, subtract); |
674 |
< |
f.complete(3); |
675 |
< |
checkIncomplete(h); |
676 |
< |
g.complete(1); |
677 |
< |
checkCompletedNormally(h, 2); |
678 |
< |
|
679 |
< |
f = new CompletableFuture<>(); |
680 |
< |
g = new CompletableFuture<>(); |
681 |
< |
h = f.thenCombine(g, subtract); |
682 |
< |
g.complete(1); |
683 |
< |
checkIncomplete(h); |
684 |
< |
f.complete(3); |
685 |
< |
checkCompletedNormally(h, 2); |
686 |
< |
|
687 |
< |
f = new CompletableFuture<>(); |
688 |
< |
g = new CompletableFuture<>(); |
689 |
< |
g.complete(1); |
690 |
< |
f.complete(3); |
691 |
< |
h = f.thenCombine(g, subtract); |
692 |
< |
checkCompletedNormally(h, 2); |
443 |
> |
class SubtractFunction extends CheckedIntegerAction |
444 |
> |
implements BiFunction<Integer, Integer, Integer> |
445 |
> |
{ |
446 |
> |
SubtractFunction(ExecutionMode m) { super(m); } |
447 |
> |
public Integer apply(Integer x, Integer y) { |
448 |
> |
invoked(); |
449 |
> |
return value = subtract(x, y); |
450 |
> |
} |
451 |
|
} |
452 |
|
|
453 |
< |
/** |
454 |
< |
* thenCombine result completes exceptionally after exceptional |
455 |
< |
* completion of either source |
456 |
< |
*/ |
457 |
< |
public void testThenCombine2() { |
700 |
< |
CompletableFuture<Integer> f, g, h; |
701 |
< |
|
702 |
< |
f = new CompletableFuture<>(); |
703 |
< |
g = new CompletableFuture<>(); |
704 |
< |
h = f.thenCombine(g, subtract); |
705 |
< |
f.completeExceptionally(new CFException()); |
706 |
< |
checkIncomplete(h); |
707 |
< |
g.complete(1); |
708 |
< |
checkCompletedWithWrappedCFException(h); |
709 |
< |
|
710 |
< |
f = new CompletableFuture<>(); |
711 |
< |
g = new CompletableFuture<>(); |
712 |
< |
h = f.thenCombine(g, subtract); |
713 |
< |
g.completeExceptionally(new CFException()); |
714 |
< |
checkIncomplete(h); |
715 |
< |
f.complete(3); |
716 |
< |
checkCompletedWithWrappedCFException(h); |
717 |
< |
|
718 |
< |
f = new CompletableFuture<>(); |
719 |
< |
g = new CompletableFuture<>(); |
720 |
< |
f.complete(3); |
721 |
< |
g.completeExceptionally(new CFException()); |
722 |
< |
h = f.thenCombine(g, subtract); |
723 |
< |
checkCompletedWithWrappedCFException(h); |
724 |
< |
|
725 |
< |
f = new CompletableFuture<>(); |
726 |
< |
g = new CompletableFuture<>(); |
727 |
< |
f.completeExceptionally(new CFException()); |
728 |
< |
g.complete(3); |
729 |
< |
h = f.thenCombine(g, subtract); |
730 |
< |
checkCompletedWithWrappedCFException(h); |
453 |
> |
class Noop extends CheckedAction implements Runnable { |
454 |
> |
Noop(ExecutionMode m) { super(m); } |
455 |
> |
public void run() { |
456 |
> |
invoked(); |
457 |
> |
} |
458 |
|
} |
459 |
|
|
460 |
< |
/** |
461 |
< |
* thenCombine result completes exceptionally if action does |
462 |
< |
*/ |
463 |
< |
public void testThenCombine3() { |
464 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
465 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
466 |
< |
FailingBiFunction r = new FailingBiFunction(); |
467 |
< |
CompletableFuture<Integer> g = f.thenCombine(f2, r); |
468 |
< |
f.complete(one); |
742 |
< |
checkIncomplete(g); |
743 |
< |
assertFalse(r.ran); |
744 |
< |
f2.complete(two); |
745 |
< |
checkCompletedWithWrappedCFException(g); |
746 |
< |
assertTrue(r.ran); |
460 |
> |
class FailingSupplier extends CheckedAction |
461 |
> |
implements Supplier<Integer> |
462 |
> |
{ |
463 |
> |
final CFException ex; |
464 |
> |
FailingSupplier(ExecutionMode m) { super(m); ex = new CFException(); } |
465 |
> |
public Integer get() { |
466 |
> |
invoked(); |
467 |
> |
throw ex; |
468 |
> |
} |
469 |
|
} |
470 |
|
|
471 |
< |
/** |
472 |
< |
* thenCombine result completes exceptionally if either source cancelled |
473 |
< |
*/ |
474 |
< |
public void testThenCombine4() { |
475 |
< |
CompletableFuture<Integer> f, g, h; |
476 |
< |
|
477 |
< |
f = new CompletableFuture<>(); |
478 |
< |
g = new CompletableFuture<>(); |
479 |
< |
h = f.thenCombine(g, subtract); |
480 |
< |
assertTrue(f.cancel(true)); |
759 |
< |
checkIncomplete(h); |
760 |
< |
g.complete(1); |
761 |
< |
checkCompletedWithWrappedCancellationException(h); |
762 |
< |
|
763 |
< |
f = new CompletableFuture<>(); |
764 |
< |
g = new CompletableFuture<>(); |
765 |
< |
h = f.thenCombine(g, subtract); |
766 |
< |
assertTrue(g.cancel(true)); |
767 |
< |
checkIncomplete(h); |
768 |
< |
f.complete(3); |
769 |
< |
checkCompletedWithWrappedCancellationException(h); |
770 |
< |
|
771 |
< |
f = new CompletableFuture<>(); |
772 |
< |
g = new CompletableFuture<>(); |
773 |
< |
assertTrue(f.cancel(true)); |
774 |
< |
assertTrue(g.cancel(true)); |
775 |
< |
h = f.thenCombine(g, subtract); |
776 |
< |
checkCompletedWithWrappedCancellationException(h); |
471 |
> |
class FailingConsumer extends CheckedIntegerAction |
472 |
> |
implements Consumer<Integer> |
473 |
> |
{ |
474 |
> |
final CFException ex; |
475 |
> |
FailingConsumer(ExecutionMode m) { super(m); ex = new CFException(); } |
476 |
> |
public void accept(Integer x) { |
477 |
> |
invoked(); |
478 |
> |
value = x; |
479 |
> |
throw ex; |
480 |
> |
} |
481 |
|
} |
482 |
|
|
483 |
< |
/** |
484 |
< |
* thenAcceptBoth result completes normally after normal |
485 |
< |
* completion of sources |
486 |
< |
*/ |
487 |
< |
public void testThenAcceptBoth() { |
488 |
< |
CompletableFuture<Integer> f, g; |
489 |
< |
CompletableFuture<Void> h; |
490 |
< |
SubtractAction r; |
491 |
< |
|
492 |
< |
f = new CompletableFuture<>(); |
789 |
< |
g = new CompletableFuture<>(); |
790 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
791 |
< |
f.complete(3); |
792 |
< |
checkIncomplete(h); |
793 |
< |
g.complete(1); |
794 |
< |
checkCompletedNormally(h, null); |
795 |
< |
assertEquals(r.value, 2); |
796 |
< |
|
797 |
< |
f = new CompletableFuture<>(); |
798 |
< |
g = new CompletableFuture<>(); |
799 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
800 |
< |
g.complete(1); |
801 |
< |
checkIncomplete(h); |
802 |
< |
f.complete(3); |
803 |
< |
checkCompletedNormally(h, null); |
804 |
< |
assertEquals(r.value, 2); |
805 |
< |
|
806 |
< |
f = new CompletableFuture<>(); |
807 |
< |
g = new CompletableFuture<>(); |
808 |
< |
g.complete(1); |
809 |
< |
f.complete(3); |
810 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
811 |
< |
checkCompletedNormally(h, null); |
812 |
< |
assertEquals(r.value, 2); |
483 |
> |
class FailingBiConsumer extends CheckedIntegerAction |
484 |
> |
implements BiConsumer<Integer, Integer> |
485 |
> |
{ |
486 |
> |
final CFException ex; |
487 |
> |
FailingBiConsumer(ExecutionMode m) { super(m); ex = new CFException(); } |
488 |
> |
public void accept(Integer x, Integer y) { |
489 |
> |
invoked(); |
490 |
> |
value = subtract(x, y); |
491 |
> |
throw ex; |
492 |
> |
} |
493 |
|
} |
494 |
|
|
495 |
< |
/** |
496 |
< |
* thenAcceptBoth result completes exceptionally after exceptional |
497 |
< |
* completion of either source |
498 |
< |
*/ |
499 |
< |
public void testThenAcceptBoth2() { |
500 |
< |
CompletableFuture<Integer> f, g; |
501 |
< |
CompletableFuture<Void> h; |
502 |
< |
SubtractAction r; |
503 |
< |
|
504 |
< |
f = new CompletableFuture<>(); |
825 |
< |
g = new CompletableFuture<>(); |
826 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
827 |
< |
f.completeExceptionally(new CFException()); |
828 |
< |
checkIncomplete(h); |
829 |
< |
g.complete(1); |
830 |
< |
checkCompletedWithWrappedCFException(h); |
831 |
< |
|
832 |
< |
f = new CompletableFuture<>(); |
833 |
< |
g = new CompletableFuture<>(); |
834 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
835 |
< |
g.completeExceptionally(new CFException()); |
836 |
< |
checkIncomplete(h); |
837 |
< |
f.complete(3); |
838 |
< |
checkCompletedWithWrappedCFException(h); |
839 |
< |
|
840 |
< |
f = new CompletableFuture<>(); |
841 |
< |
g = new CompletableFuture<>(); |
842 |
< |
f.complete(3); |
843 |
< |
g.completeExceptionally(new CFException()); |
844 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
845 |
< |
checkCompletedWithWrappedCFException(h); |
846 |
< |
|
847 |
< |
f = new CompletableFuture<>(); |
848 |
< |
g = new CompletableFuture<>(); |
849 |
< |
f.completeExceptionally(new CFException()); |
850 |
< |
g.complete(3); |
851 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
852 |
< |
checkCompletedWithWrappedCFException(h); |
495 |
> |
class FailingFunction extends CheckedIntegerAction |
496 |
> |
implements Function<Integer, Integer> |
497 |
> |
{ |
498 |
> |
final CFException ex; |
499 |
> |
FailingFunction(ExecutionMode m) { super(m); ex = new CFException(); } |
500 |
> |
public Integer apply(Integer x) { |
501 |
> |
invoked(); |
502 |
> |
value = x; |
503 |
> |
throw ex; |
504 |
> |
} |
505 |
|
} |
506 |
|
|
507 |
< |
/** |
508 |
< |
* thenAcceptBoth result completes exceptionally if action does |
509 |
< |
*/ |
510 |
< |
public void testThenAcceptBoth3() { |
511 |
< |
CompletableFuture<Integer> f, g; |
512 |
< |
CompletableFuture<Void> h; |
513 |
< |
FailingBiConsumer r; |
514 |
< |
|
515 |
< |
f = new CompletableFuture<>(); |
516 |
< |
g = new CompletableFuture<>(); |
865 |
< |
h = f.thenAcceptBoth(g, r = new FailingBiConsumer()); |
866 |
< |
f.complete(3); |
867 |
< |
checkIncomplete(h); |
868 |
< |
g.complete(1); |
869 |
< |
checkCompletedWithWrappedCFException(h); |
870 |
< |
|
871 |
< |
f = new CompletableFuture<>(); |
872 |
< |
g = new CompletableFuture<>(); |
873 |
< |
f.complete(3); |
874 |
< |
g.complete(1); |
875 |
< |
h = f.thenAcceptBoth(g, r = new FailingBiConsumer()); |
876 |
< |
checkCompletedWithWrappedCFException(h); |
507 |
> |
class FailingBiFunction extends CheckedIntegerAction |
508 |
> |
implements BiFunction<Integer, Integer, Integer> |
509 |
> |
{ |
510 |
> |
final CFException ex; |
511 |
> |
FailingBiFunction(ExecutionMode m) { super(m); ex = new CFException(); } |
512 |
> |
public Integer apply(Integer x, Integer y) { |
513 |
> |
invoked(); |
514 |
> |
value = subtract(x, y); |
515 |
> |
throw ex; |
516 |
> |
} |
517 |
|
} |
518 |
|
|
519 |
< |
/** |
520 |
< |
* thenAcceptBoth result completes exceptionally if either source cancelled |
521 |
< |
*/ |
522 |
< |
public void testThenAcceptBoth4() { |
523 |
< |
CompletableFuture<Integer> f, g; |
524 |
< |
CompletableFuture<Void> h; |
525 |
< |
SubtractAction r; |
886 |
< |
|
887 |
< |
f = new CompletableFuture<>(); |
888 |
< |
g = new CompletableFuture<>(); |
889 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
890 |
< |
assertTrue(f.cancel(true)); |
891 |
< |
checkIncomplete(h); |
892 |
< |
g.complete(1); |
893 |
< |
checkCompletedWithWrappedCancellationException(h); |
894 |
< |
|
895 |
< |
f = new CompletableFuture<>(); |
896 |
< |
g = new CompletableFuture<>(); |
897 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
898 |
< |
assertTrue(g.cancel(true)); |
899 |
< |
checkIncomplete(h); |
900 |
< |
f.complete(3); |
901 |
< |
checkCompletedWithWrappedCancellationException(h); |
902 |
< |
|
903 |
< |
f = new CompletableFuture<>(); |
904 |
< |
g = new CompletableFuture<>(); |
905 |
< |
f.complete(3); |
906 |
< |
assertTrue(g.cancel(true)); |
907 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
908 |
< |
checkCompletedWithWrappedCancellationException(h); |
909 |
< |
|
910 |
< |
f = new CompletableFuture<>(); |
911 |
< |
g = new CompletableFuture<>(); |
912 |
< |
assertTrue(f.cancel(true)); |
913 |
< |
g.complete(3); |
914 |
< |
h = f.thenAcceptBoth(g, r = new SubtractAction()); |
915 |
< |
checkCompletedWithWrappedCancellationException(h); |
519 |
> |
class FailingRunnable extends CheckedAction implements Runnable { |
520 |
> |
final CFException ex; |
521 |
> |
FailingRunnable(ExecutionMode m) { super(m); ex = new CFException(); } |
522 |
> |
public void run() { |
523 |
> |
invoked(); |
524 |
> |
throw ex; |
525 |
> |
} |
526 |
|
} |
527 |
|
|
528 |
< |
/** |
529 |
< |
* runAfterBoth result completes normally after normal |
530 |
< |
* completion of sources |
531 |
< |
*/ |
532 |
< |
public void testRunAfterBoth() { |
533 |
< |
CompletableFuture<Integer> f, g; |
534 |
< |
CompletableFuture<Void> h; |
535 |
< |
Noop r; |
536 |
< |
|
537 |
< |
f = new CompletableFuture<>(); |
538 |
< |
g = new CompletableFuture<>(); |
929 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
930 |
< |
f.complete(3); |
931 |
< |
checkIncomplete(h); |
932 |
< |
g.complete(1); |
933 |
< |
checkCompletedNormally(h, null); |
934 |
< |
assertTrue(r.ran); |
935 |
< |
|
936 |
< |
f = new CompletableFuture<>(); |
937 |
< |
g = new CompletableFuture<>(); |
938 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
939 |
< |
g.complete(1); |
940 |
< |
checkIncomplete(h); |
941 |
< |
f.complete(3); |
942 |
< |
checkCompletedNormally(h, null); |
943 |
< |
assertTrue(r.ran); |
944 |
< |
|
945 |
< |
f = new CompletableFuture<>(); |
946 |
< |
g = new CompletableFuture<>(); |
947 |
< |
g.complete(1); |
948 |
< |
f.complete(3); |
949 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
950 |
< |
checkCompletedNormally(h, null); |
951 |
< |
assertTrue(r.ran); |
528 |
> |
class CompletableFutureInc extends CheckedIntegerAction |
529 |
> |
implements Function<Integer, CompletableFuture<Integer>> |
530 |
> |
{ |
531 |
> |
CompletableFutureInc(ExecutionMode m) { super(m); } |
532 |
> |
public CompletableFuture<Integer> apply(Integer x) { |
533 |
> |
invoked(); |
534 |
> |
value = x; |
535 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
536 |
> |
assertTrue(f.complete(inc(x))); |
537 |
> |
return f; |
538 |
> |
} |
539 |
|
} |
540 |
|
|
541 |
< |
/** |
542 |
< |
* runAfterBoth result completes exceptionally after exceptional |
543 |
< |
* completion of either source |
544 |
< |
*/ |
545 |
< |
public void testRunAfterBoth2() { |
546 |
< |
CompletableFuture<Integer> f, g; |
547 |
< |
CompletableFuture<Void> h; |
548 |
< |
Noop r; |
549 |
< |
|
550 |
< |
f = new CompletableFuture<>(); |
964 |
< |
g = new CompletableFuture<>(); |
965 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
966 |
< |
f.completeExceptionally(new CFException()); |
967 |
< |
checkIncomplete(h); |
968 |
< |
g.complete(1); |
969 |
< |
checkCompletedWithWrappedCFException(h); |
970 |
< |
assertFalse(r.ran); |
971 |
< |
|
972 |
< |
f = new CompletableFuture<>(); |
973 |
< |
g = new CompletableFuture<>(); |
974 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
975 |
< |
g.completeExceptionally(new CFException()); |
976 |
< |
checkIncomplete(h); |
977 |
< |
f.complete(3); |
978 |
< |
checkCompletedWithWrappedCFException(h); |
979 |
< |
assertFalse(r.ran); |
980 |
< |
|
981 |
< |
f = new CompletableFuture<>(); |
982 |
< |
g = new CompletableFuture<>(); |
983 |
< |
g.completeExceptionally(new CFException()); |
984 |
< |
f.complete(3); |
985 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
986 |
< |
checkCompletedWithWrappedCFException(h); |
987 |
< |
assertFalse(r.ran); |
988 |
< |
|
989 |
< |
f = new CompletableFuture<>(); |
990 |
< |
g = new CompletableFuture<>(); |
991 |
< |
f.completeExceptionally(new CFException()); |
992 |
< |
g.complete(1); |
993 |
< |
h = f.runAfterBoth(g, r = new Noop()); |
994 |
< |
checkCompletedWithWrappedCFException(h); |
995 |
< |
assertFalse(r.ran); |
541 |
> |
class FailingCompletableFutureFunction extends CheckedIntegerAction |
542 |
> |
implements Function<Integer, CompletableFuture<Integer>> |
543 |
> |
{ |
544 |
> |
final CFException ex; |
545 |
> |
FailingCompletableFutureFunction(ExecutionMode m) { super(m); ex = new CFException(); } |
546 |
> |
public CompletableFuture<Integer> apply(Integer x) { |
547 |
> |
invoked(); |
548 |
> |
value = x; |
549 |
> |
throw ex; |
550 |
> |
} |
551 |
|
} |
552 |
|
|
553 |
< |
/** |
554 |
< |
* runAfterBoth result completes exceptionally if action does |
555 |
< |
*/ |
556 |
< |
public void testRunAfterBoth3() { |
557 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
558 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
559 |
< |
FailingNoop r = new FailingNoop(); |
1005 |
< |
CompletableFuture<Void> g = f.runAfterBoth(f2, r); |
1006 |
< |
f.complete(one); |
1007 |
< |
checkIncomplete(g); |
1008 |
< |
f2.complete(two); |
1009 |
< |
checkCompletedWithWrappedCFException(g); |
1010 |
< |
} |
553 |
> |
// Used for explicit executor tests |
554 |
> |
static final class ThreadExecutor implements Executor { |
555 |
> |
final AtomicInteger count = new AtomicInteger(0); |
556 |
> |
static final ThreadGroup tg = new ThreadGroup("ThreadExecutor"); |
557 |
> |
static boolean startedCurrentThread() { |
558 |
> |
return Thread.currentThread().getThreadGroup() == tg; |
559 |
> |
} |
560 |
|
|
561 |
< |
/** |
562 |
< |
* runAfterBoth result completes exceptionally if either source cancelled |
563 |
< |
*/ |
564 |
< |
public void testRunAfterBoth4() { |
1016 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1017 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1018 |
< |
Noop r = new Noop(); |
1019 |
< |
CompletableFuture<Void> g = f.runAfterBoth(f2, r); |
1020 |
< |
assertTrue(f.cancel(true)); |
1021 |
< |
f2.complete(two); |
1022 |
< |
checkCompletedWithWrappedCancellationException(g); |
1023 |
< |
f = new CompletableFuture<>(); |
1024 |
< |
f2 = new CompletableFuture<>(); |
1025 |
< |
r = new Noop(); |
1026 |
< |
g = f.runAfterBoth(f2, r); |
1027 |
< |
f.complete(one); |
1028 |
< |
assertTrue(f2.cancel(true)); |
1029 |
< |
checkCompletedWithWrappedCancellationException(g); |
561 |
> |
public void execute(Runnable r) { |
562 |
> |
count.getAndIncrement(); |
563 |
> |
new Thread(tg, r).start(); |
564 |
> |
} |
565 |
|
} |
566 |
|
|
567 |
< |
/** |
568 |
< |
* applyToEither result completes normally after normal completion |
1034 |
< |
* of either source |
1035 |
< |
*/ |
1036 |
< |
public void testApplyToEither() { |
1037 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1038 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1039 |
< |
CompletableFuture<Integer> g = f.applyToEither(f2, inc); |
1040 |
< |
f.complete(one); |
1041 |
< |
checkCompletedNormally(g, two); |
1042 |
< |
f2.complete(one); |
1043 |
< |
checkCompletedNormally(g, two); |
1044 |
< |
|
1045 |
< |
f = new CompletableFuture<>(); |
1046 |
< |
f.complete(one); |
1047 |
< |
f2 = new CompletableFuture<>(); |
1048 |
< |
g = f.applyToEither(f2, inc); |
1049 |
< |
checkCompletedNormally(g, two); |
1050 |
< |
} |
567 |
> |
static final boolean defaultExecutorIsCommonPool |
568 |
> |
= ForkJoinPool.getCommonPoolParallelism() > 1; |
569 |
|
|
570 |
|
/** |
571 |
< |
* applyToEither result completes exceptionally after exceptional |
572 |
< |
* completion of either source |
571 |
> |
* Permits the testing of parallel code for the 3 different |
572 |
> |
* execution modes without copy/pasting all the test methods. |
573 |
|
*/ |
574 |
< |
public void testApplyToEither2() { |
575 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
576 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
577 |
< |
CompletableFuture<Integer> g = f.applyToEither(f2, inc); |
578 |
< |
f.completeExceptionally(new CFException()); |
579 |
< |
f2.complete(one); |
580 |
< |
checkCompletedWithWrappedCFException(g); |
574 |
> |
enum ExecutionMode { |
575 |
> |
SYNC { |
576 |
> |
public void checkExecutionMode() { |
577 |
> |
assertFalse(ThreadExecutor.startedCurrentThread()); |
578 |
> |
assertNull(ForkJoinTask.getPool()); |
579 |
> |
} |
580 |
> |
public CompletableFuture<Void> runAsync(Runnable a) { |
581 |
> |
throw new UnsupportedOperationException(); |
582 |
> |
} |
583 |
> |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
584 |
> |
throw new UnsupportedOperationException(); |
585 |
> |
} |
586 |
> |
public <T> CompletableFuture<Void> thenRun |
587 |
> |
(CompletableFuture<T> f, Runnable a) { |
588 |
> |
return f.thenRun(a); |
589 |
> |
} |
590 |
> |
public <T> CompletableFuture<Void> thenAccept |
591 |
> |
(CompletableFuture<T> f, Consumer<? super T> a) { |
592 |
> |
return f.thenAccept(a); |
593 |
> |
} |
594 |
> |
public <T,U> CompletableFuture<U> thenApply |
595 |
> |
(CompletableFuture<T> f, Function<? super T,U> a) { |
596 |
> |
return f.thenApply(a); |
597 |
> |
} |
598 |
> |
public <T,U> CompletableFuture<U> thenCompose |
599 |
> |
(CompletableFuture<T> f, |
600 |
> |
Function<? super T,? extends CompletionStage<U>> a) { |
601 |
> |
return f.thenCompose(a); |
602 |
> |
} |
603 |
> |
public <T,U> CompletableFuture<U> handle |
604 |
> |
(CompletableFuture<T> f, |
605 |
> |
BiFunction<? super T,Throwable,? extends U> a) { |
606 |
> |
return f.handle(a); |
607 |
> |
} |
608 |
> |
public <T> CompletableFuture<T> whenComplete |
609 |
> |
(CompletableFuture<T> f, |
610 |
> |
BiConsumer<? super T,? super Throwable> a) { |
611 |
> |
return f.whenComplete(a); |
612 |
> |
} |
613 |
> |
public <T,U> CompletableFuture<Void> runAfterBoth |
614 |
> |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
615 |
> |
return f.runAfterBoth(g, a); |
616 |
> |
} |
617 |
> |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
618 |
> |
(CompletableFuture<T> f, |
619 |
> |
CompletionStage<? extends U> g, |
620 |
> |
BiConsumer<? super T,? super U> a) { |
621 |
> |
return f.thenAcceptBoth(g, a); |
622 |
> |
} |
623 |
> |
public <T,U,V> CompletableFuture<V> thenCombine |
624 |
> |
(CompletableFuture<T> f, |
625 |
> |
CompletionStage<? extends U> g, |
626 |
> |
BiFunction<? super T,? super U,? extends V> a) { |
627 |
> |
return f.thenCombine(g, a); |
628 |
> |
} |
629 |
> |
public <T> CompletableFuture<Void> runAfterEither |
630 |
> |
(CompletableFuture<T> f, |
631 |
> |
CompletionStage<?> g, |
632 |
> |
java.lang.Runnable a) { |
633 |
> |
return f.runAfterEither(g, a); |
634 |
> |
} |
635 |
> |
public <T> CompletableFuture<Void> acceptEither |
636 |
> |
(CompletableFuture<T> f, |
637 |
> |
CompletionStage<? extends T> g, |
638 |
> |
Consumer<? super T> a) { |
639 |
> |
return f.acceptEither(g, a); |
640 |
> |
} |
641 |
> |
public <T,U> CompletableFuture<U> applyToEither |
642 |
> |
(CompletableFuture<T> f, |
643 |
> |
CompletionStage<? extends T> g, |
644 |
> |
Function<? super T,U> a) { |
645 |
> |
return f.applyToEither(g, a); |
646 |
> |
} |
647 |
> |
}, |
648 |
|
|
649 |
< |
f = new CompletableFuture<>(); |
650 |
< |
f2 = new CompletableFuture<>(); |
651 |
< |
f2.completeExceptionally(new CFException()); |
652 |
< |
g = f.applyToEither(f2, inc); |
653 |
< |
checkCompletedWithWrappedCFException(g); |
654 |
< |
} |
649 |
> |
ASYNC { |
650 |
> |
public void checkExecutionMode() { |
651 |
> |
assertEquals(defaultExecutorIsCommonPool, |
652 |
> |
(ForkJoinPool.commonPool() == ForkJoinTask.getPool())); |
653 |
> |
} |
654 |
> |
public CompletableFuture<Void> runAsync(Runnable a) { |
655 |
> |
return CompletableFuture.runAsync(a); |
656 |
> |
} |
657 |
> |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
658 |
> |
return CompletableFuture.supplyAsync(a); |
659 |
> |
} |
660 |
> |
public <T> CompletableFuture<Void> thenRun |
661 |
> |
(CompletableFuture<T> f, Runnable a) { |
662 |
> |
return f.thenRunAsync(a); |
663 |
> |
} |
664 |
> |
public <T> CompletableFuture<Void> thenAccept |
665 |
> |
(CompletableFuture<T> f, Consumer<? super T> a) { |
666 |
> |
return f.thenAcceptAsync(a); |
667 |
> |
} |
668 |
> |
public <T,U> CompletableFuture<U> thenApply |
669 |
> |
(CompletableFuture<T> f, Function<? super T,U> a) { |
670 |
> |
return f.thenApplyAsync(a); |
671 |
> |
} |
672 |
> |
public <T,U> CompletableFuture<U> thenCompose |
673 |
> |
(CompletableFuture<T> f, |
674 |
> |
Function<? super T,? extends CompletionStage<U>> a) { |
675 |
> |
return f.thenComposeAsync(a); |
676 |
> |
} |
677 |
> |
public <T,U> CompletableFuture<U> handle |
678 |
> |
(CompletableFuture<T> f, |
679 |
> |
BiFunction<? super T,Throwable,? extends U> a) { |
680 |
> |
return f.handleAsync(a); |
681 |
> |
} |
682 |
> |
public <T> CompletableFuture<T> whenComplete |
683 |
> |
(CompletableFuture<T> f, |
684 |
> |
BiConsumer<? super T,? super Throwable> a) { |
685 |
> |
return f.whenCompleteAsync(a); |
686 |
> |
} |
687 |
> |
public <T,U> CompletableFuture<Void> runAfterBoth |
688 |
> |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
689 |
> |
return f.runAfterBothAsync(g, a); |
690 |
> |
} |
691 |
> |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
692 |
> |
(CompletableFuture<T> f, |
693 |
> |
CompletionStage<? extends U> g, |
694 |
> |
BiConsumer<? super T,? super U> a) { |
695 |
> |
return f.thenAcceptBothAsync(g, a); |
696 |
> |
} |
697 |
> |
public <T,U,V> CompletableFuture<V> thenCombine |
698 |
> |
(CompletableFuture<T> f, |
699 |
> |
CompletionStage<? extends U> g, |
700 |
> |
BiFunction<? super T,? super U,? extends V> a) { |
701 |
> |
return f.thenCombineAsync(g, a); |
702 |
> |
} |
703 |
> |
public <T> CompletableFuture<Void> runAfterEither |
704 |
> |
(CompletableFuture<T> f, |
705 |
> |
CompletionStage<?> g, |
706 |
> |
java.lang.Runnable a) { |
707 |
> |
return f.runAfterEitherAsync(g, a); |
708 |
> |
} |
709 |
> |
public <T> CompletableFuture<Void> acceptEither |
710 |
> |
(CompletableFuture<T> f, |
711 |
> |
CompletionStage<? extends T> g, |
712 |
> |
Consumer<? super T> a) { |
713 |
> |
return f.acceptEitherAsync(g, a); |
714 |
> |
} |
715 |
> |
public <T,U> CompletableFuture<U> applyToEither |
716 |
> |
(CompletableFuture<T> f, |
717 |
> |
CompletionStage<? extends T> g, |
718 |
> |
Function<? super T,U> a) { |
719 |
> |
return f.applyToEitherAsync(g, a); |
720 |
> |
} |
721 |
> |
}, |
722 |
|
|
723 |
< |
/** |
724 |
< |
* applyToEither result completes exceptionally if action does |
725 |
< |
*/ |
726 |
< |
public void testApplyToEither3() { |
727 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
728 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
729 |
< |
FailingFunction r = new FailingFunction(); |
730 |
< |
CompletableFuture<Integer> g = f.applyToEither(f2, r); |
731 |
< |
f2.complete(two); |
732 |
< |
checkCompletedWithWrappedCFException(g); |
733 |
< |
} |
723 |
> |
EXECUTOR { |
724 |
> |
public void checkExecutionMode() { |
725 |
> |
assertTrue(ThreadExecutor.startedCurrentThread()); |
726 |
> |
} |
727 |
> |
public CompletableFuture<Void> runAsync(Runnable a) { |
728 |
> |
return CompletableFuture.runAsync(a, new ThreadExecutor()); |
729 |
> |
} |
730 |
> |
public <U> CompletableFuture<U> supplyAsync(Supplier<U> a) { |
731 |
> |
return CompletableFuture.supplyAsync(a, new ThreadExecutor()); |
732 |
> |
} |
733 |
> |
public <T> CompletableFuture<Void> thenRun |
734 |
> |
(CompletableFuture<T> f, Runnable a) { |
735 |
> |
return f.thenRunAsync(a, new ThreadExecutor()); |
736 |
> |
} |
737 |
> |
public <T> CompletableFuture<Void> thenAccept |
738 |
> |
(CompletableFuture<T> f, Consumer<? super T> a) { |
739 |
> |
return f.thenAcceptAsync(a, new ThreadExecutor()); |
740 |
> |
} |
741 |
> |
public <T,U> CompletableFuture<U> thenApply |
742 |
> |
(CompletableFuture<T> f, Function<? super T,U> a) { |
743 |
> |
return f.thenApplyAsync(a, new ThreadExecutor()); |
744 |
> |
} |
745 |
> |
public <T,U> CompletableFuture<U> thenCompose |
746 |
> |
(CompletableFuture<T> f, |
747 |
> |
Function<? super T,? extends CompletionStage<U>> a) { |
748 |
> |
return f.thenComposeAsync(a, new ThreadExecutor()); |
749 |
> |
} |
750 |
> |
public <T,U> CompletableFuture<U> handle |
751 |
> |
(CompletableFuture<T> f, |
752 |
> |
BiFunction<? super T,Throwable,? extends U> a) { |
753 |
> |
return f.handleAsync(a, new ThreadExecutor()); |
754 |
> |
} |
755 |
> |
public <T> CompletableFuture<T> whenComplete |
756 |
> |
(CompletableFuture<T> f, |
757 |
> |
BiConsumer<? super T,? super Throwable> a) { |
758 |
> |
return f.whenCompleteAsync(a, new ThreadExecutor()); |
759 |
> |
} |
760 |
> |
public <T,U> CompletableFuture<Void> runAfterBoth |
761 |
> |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a) { |
762 |
> |
return f.runAfterBothAsync(g, a, new ThreadExecutor()); |
763 |
> |
} |
764 |
> |
public <T,U> CompletableFuture<Void> thenAcceptBoth |
765 |
> |
(CompletableFuture<T> f, |
766 |
> |
CompletionStage<? extends U> g, |
767 |
> |
BiConsumer<? super T,? super U> a) { |
768 |
> |
return f.thenAcceptBothAsync(g, a, new ThreadExecutor()); |
769 |
> |
} |
770 |
> |
public <T,U,V> CompletableFuture<V> thenCombine |
771 |
> |
(CompletableFuture<T> f, |
772 |
> |
CompletionStage<? extends U> g, |
773 |
> |
BiFunction<? super T,? super U,? extends V> a) { |
774 |
> |
return f.thenCombineAsync(g, a, new ThreadExecutor()); |
775 |
> |
} |
776 |
> |
public <T> CompletableFuture<Void> runAfterEither |
777 |
> |
(CompletableFuture<T> f, |
778 |
> |
CompletionStage<?> g, |
779 |
> |
java.lang.Runnable a) { |
780 |
> |
return f.runAfterEitherAsync(g, a, new ThreadExecutor()); |
781 |
> |
} |
782 |
> |
public <T> CompletableFuture<Void> acceptEither |
783 |
> |
(CompletableFuture<T> f, |
784 |
> |
CompletionStage<? extends T> g, |
785 |
> |
Consumer<? super T> a) { |
786 |
> |
return f.acceptEitherAsync(g, a, new ThreadExecutor()); |
787 |
> |
} |
788 |
> |
public <T,U> CompletableFuture<U> applyToEither |
789 |
> |
(CompletableFuture<T> f, |
790 |
> |
CompletionStage<? extends T> g, |
791 |
> |
Function<? super T,U> a) { |
792 |
> |
return f.applyToEitherAsync(g, a, new ThreadExecutor()); |
793 |
> |
} |
794 |
> |
}; |
795 |
|
|
796 |
< |
/** |
797 |
< |
* applyToEither result completes exceptionally if either source cancelled |
798 |
< |
*/ |
799 |
< |
public void testApplyToEither4() { |
800 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
801 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
802 |
< |
CompletableFuture<Integer> g = f.applyToEither(f2, inc); |
803 |
< |
assertTrue(f.cancel(true)); |
804 |
< |
checkCompletedWithWrappedCancellationException(g); |
805 |
< |
f = new CompletableFuture<>(); |
806 |
< |
f2 = new CompletableFuture<>(); |
807 |
< |
assertTrue(f2.cancel(true)); |
808 |
< |
checkCompletedWithWrappedCancellationException(g); |
809 |
< |
} |
796 |
> |
public abstract void checkExecutionMode(); |
797 |
> |
public abstract CompletableFuture<Void> runAsync(Runnable a); |
798 |
> |
public abstract <U> CompletableFuture<U> supplyAsync(Supplier<U> a); |
799 |
> |
public abstract <T> CompletableFuture<Void> thenRun |
800 |
> |
(CompletableFuture<T> f, Runnable a); |
801 |
> |
public abstract <T> CompletableFuture<Void> thenAccept |
802 |
> |
(CompletableFuture<T> f, Consumer<? super T> a); |
803 |
> |
public abstract <T,U> CompletableFuture<U> thenApply |
804 |
> |
(CompletableFuture<T> f, Function<? super T,U> a); |
805 |
> |
public abstract <T,U> CompletableFuture<U> thenCompose |
806 |
> |
(CompletableFuture<T> f, |
807 |
> |
Function<? super T,? extends CompletionStage<U>> a); |
808 |
> |
public abstract <T,U> CompletableFuture<U> handle |
809 |
> |
(CompletableFuture<T> f, |
810 |
> |
BiFunction<? super T,Throwable,? extends U> a); |
811 |
> |
public abstract <T> CompletableFuture<T> whenComplete |
812 |
> |
(CompletableFuture<T> f, |
813 |
> |
BiConsumer<? super T,? super Throwable> a); |
814 |
> |
public abstract <T,U> CompletableFuture<Void> runAfterBoth |
815 |
> |
(CompletableFuture<T> f, CompletableFuture<U> g, Runnable a); |
816 |
> |
public abstract <T,U> CompletableFuture<Void> thenAcceptBoth |
817 |
> |
(CompletableFuture<T> f, |
818 |
> |
CompletionStage<? extends U> g, |
819 |
> |
BiConsumer<? super T,? super U> a); |
820 |
> |
public abstract <T,U,V> CompletableFuture<V> thenCombine |
821 |
> |
(CompletableFuture<T> f, |
822 |
> |
CompletionStage<? extends U> g, |
823 |
> |
BiFunction<? super T,? super U,? extends V> a); |
824 |
> |
public abstract <T> CompletableFuture<Void> runAfterEither |
825 |
> |
(CompletableFuture<T> f, |
826 |
> |
CompletionStage<?> g, |
827 |
> |
java.lang.Runnable a); |
828 |
> |
public abstract <T> CompletableFuture<Void> acceptEither |
829 |
> |
(CompletableFuture<T> f, |
830 |
> |
CompletionStage<? extends T> g, |
831 |
> |
Consumer<? super T> a); |
832 |
> |
public abstract <T,U> CompletableFuture<U> applyToEither |
833 |
> |
(CompletableFuture<T> f, |
834 |
> |
CompletionStage<? extends T> g, |
835 |
> |
Function<? super T,U> a); |
836 |
> |
} |
837 |
> |
|
838 |
> |
/** |
839 |
> |
* exceptionally action is not invoked when source completes |
840 |
> |
* normally, and source result is propagated |
841 |
> |
*/ |
842 |
> |
public void testExceptionally_normalCompletion() { |
843 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
844 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
845 |
> |
{ |
846 |
> |
final AtomicInteger a = new AtomicInteger(0); |
847 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
848 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
849 |
> |
final CompletableFuture<Integer> g = f.exceptionally |
850 |
> |
((Throwable t) -> { |
851 |
> |
a.getAndIncrement(); |
852 |
> |
threadFail("should not be called"); |
853 |
> |
return null; // unreached |
854 |
> |
}); |
855 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
856 |
> |
|
857 |
> |
checkCompletedNormally(g, v1); |
858 |
> |
checkCompletedNormally(f, v1); |
859 |
> |
assertEquals(0, a.get()); |
860 |
> |
}} |
861 |
|
|
862 |
|
/** |
863 |
< |
* acceptEither result completes normally after normal completion |
864 |
< |
* of either source |
863 |
> |
* exceptionally action completes with function value on source |
864 |
> |
* exception |
865 |
|
*/ |
866 |
< |
public void testAcceptEither() { |
867 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
868 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
869 |
< |
IncAction r = new IncAction(); |
870 |
< |
CompletableFuture<Void> g = f.acceptEither(f2, r); |
871 |
< |
f.complete(one); |
872 |
< |
checkCompletedNormally(g, null); |
873 |
< |
f2.complete(one); |
874 |
< |
checkCompletedNormally(g, null); |
875 |
< |
assertEquals(r.value, 2); |
876 |
< |
|
877 |
< |
r = new IncAction(); |
878 |
< |
f = new CompletableFuture<>(); |
879 |
< |
f.complete(one); |
880 |
< |
f2 = new CompletableFuture<>(); |
881 |
< |
g = f.acceptEither(f2, r); |
882 |
< |
checkCompletedNormally(g, null); |
883 |
< |
assertEquals(r.value, 2); |
884 |
< |
} |
866 |
> |
public void testExceptionally_exceptionalCompletion() { |
867 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
868 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
869 |
> |
{ |
870 |
> |
final AtomicInteger a = new AtomicInteger(0); |
871 |
> |
final CFException ex = new CFException(); |
872 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
873 |
> |
if (!createIncomplete) f.completeExceptionally(ex); |
874 |
> |
final CompletableFuture<Integer> g = f.exceptionally |
875 |
> |
((Throwable t) -> { |
876 |
> |
ExecutionMode.SYNC.checkExecutionMode(); |
877 |
> |
threadAssertSame(t, ex); |
878 |
> |
a.getAndIncrement(); |
879 |
> |
return v1; |
880 |
> |
}); |
881 |
> |
if (createIncomplete) f.completeExceptionally(ex); |
882 |
> |
|
883 |
> |
checkCompletedNormally(g, v1); |
884 |
> |
assertEquals(1, a.get()); |
885 |
> |
}} |
886 |
> |
|
887 |
> |
/** |
888 |
> |
* If an "exceptionally action" throws an exception, it completes |
889 |
> |
* exceptionally with that exception |
890 |
> |
*/ |
891 |
> |
public void testExceptionally_exceptionalCompletionActionFailed() { |
892 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
893 |
> |
{ |
894 |
> |
final AtomicInteger a = new AtomicInteger(0); |
895 |
> |
final CFException ex1 = new CFException(); |
896 |
> |
final CFException ex2 = new CFException(); |
897 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
898 |
> |
if (!createIncomplete) f.completeExceptionally(ex1); |
899 |
> |
final CompletableFuture<Integer> g = f.exceptionally |
900 |
> |
((Throwable t) -> { |
901 |
> |
ExecutionMode.SYNC.checkExecutionMode(); |
902 |
> |
threadAssertSame(t, ex1); |
903 |
> |
a.getAndIncrement(); |
904 |
> |
throw ex2; |
905 |
> |
}); |
906 |
> |
if (createIncomplete) f.completeExceptionally(ex1); |
907 |
> |
|
908 |
> |
checkCompletedWithWrappedException(g, ex2); |
909 |
> |
checkCompletedExceptionally(f, ex1); |
910 |
> |
assertEquals(1, a.get()); |
911 |
> |
}} |
912 |
|
|
913 |
|
/** |
914 |
< |
* acceptEither result completes exceptionally after exceptional |
915 |
< |
* completion of either source |
914 |
> |
* whenComplete action executes on normal completion, propagating |
915 |
> |
* source result. |
916 |
|
*/ |
917 |
< |
public void testAcceptEither2() { |
918 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
919 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
920 |
< |
IncAction r = new IncAction(); |
921 |
< |
CompletableFuture<Void> g = f.acceptEither(f2, r); |
922 |
< |
f.completeExceptionally(new CFException()); |
923 |
< |
f2.complete(one); |
924 |
< |
checkCompletedWithWrappedCFException(g); |
925 |
< |
|
926 |
< |
r = new IncAction(); |
927 |
< |
f = new CompletableFuture<>(); |
928 |
< |
f2 = new CompletableFuture<>(); |
929 |
< |
f2.completeExceptionally(new CFException()); |
930 |
< |
g = f.acceptEither(f2, r); |
931 |
< |
checkCompletedWithWrappedCFException(g); |
932 |
< |
} |
917 |
> |
public void testWhenComplete_normalCompletion() { |
918 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
919 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
920 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
921 |
> |
{ |
922 |
> |
final AtomicInteger a = new AtomicInteger(0); |
923 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
924 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
925 |
> |
final CompletableFuture<Integer> g = m.whenComplete |
926 |
> |
(f, |
927 |
> |
(Integer result, Throwable t) -> { |
928 |
> |
m.checkExecutionMode(); |
929 |
> |
threadAssertSame(result, v1); |
930 |
> |
threadAssertNull(t); |
931 |
> |
a.getAndIncrement(); |
932 |
> |
}); |
933 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
934 |
> |
|
935 |
> |
checkCompletedNormally(g, v1); |
936 |
> |
checkCompletedNormally(f, v1); |
937 |
> |
assertEquals(1, a.get()); |
938 |
> |
}} |
939 |
|
|
940 |
|
/** |
941 |
< |
* acceptEither result completes exceptionally if action does |
941 |
> |
* whenComplete action executes on exceptional completion, propagating |
942 |
> |
* source result. |
943 |
|
*/ |
944 |
< |
public void testAcceptEither3() { |
945 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
946 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
947 |
< |
FailingConsumer r = new FailingConsumer(); |
948 |
< |
CompletableFuture<Void> g = f.acceptEither(f2, r); |
949 |
< |
f2.complete(two); |
950 |
< |
checkCompletedWithWrappedCFException(g); |
951 |
< |
} |
944 |
> |
public void testWhenComplete_exceptionalCompletion() { |
945 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
946 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
947 |
> |
{ |
948 |
> |
final AtomicInteger a = new AtomicInteger(0); |
949 |
> |
final CFException ex = new CFException(); |
950 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
951 |
> |
if (!createIncomplete) f.completeExceptionally(ex); |
952 |
> |
final CompletableFuture<Integer> g = m.whenComplete |
953 |
> |
(f, |
954 |
> |
(Integer result, Throwable t) -> { |
955 |
> |
m.checkExecutionMode(); |
956 |
> |
threadAssertNull(result); |
957 |
> |
threadAssertSame(t, ex); |
958 |
> |
a.getAndIncrement(); |
959 |
> |
}); |
960 |
> |
if (createIncomplete) f.completeExceptionally(ex); |
961 |
> |
|
962 |
> |
checkCompletedWithWrappedException(g, ex); |
963 |
> |
checkCompletedExceptionally(f, ex); |
964 |
> |
assertEquals(1, a.get()); |
965 |
> |
}} |
966 |
> |
|
967 |
> |
/** |
968 |
> |
* whenComplete action executes on cancelled source, propagating |
969 |
> |
* CancellationException. |
970 |
> |
*/ |
971 |
> |
public void testWhenComplete_sourceCancelled() { |
972 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
973 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
974 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
975 |
> |
{ |
976 |
> |
final AtomicInteger a = new AtomicInteger(0); |
977 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
978 |
> |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
979 |
> |
final CompletableFuture<Integer> g = m.whenComplete |
980 |
> |
(f, |
981 |
> |
(Integer result, Throwable t) -> { |
982 |
> |
m.checkExecutionMode(); |
983 |
> |
threadAssertNull(result); |
984 |
> |
threadAssertTrue(t instanceof CancellationException); |
985 |
> |
a.getAndIncrement(); |
986 |
> |
}); |
987 |
> |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
988 |
|
|
1155 |
– |
/** |
1156 |
– |
* acceptEither result completes exceptionally if either source cancelled |
1157 |
– |
*/ |
1158 |
– |
public void testAcceptEither4() { |
1159 |
– |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1160 |
– |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1161 |
– |
IncAction r = new IncAction(); |
1162 |
– |
CompletableFuture<Void> g = f.acceptEither(f2, r); |
1163 |
– |
assertTrue(f.cancel(true)); |
1164 |
– |
checkCompletedWithWrappedCancellationException(g); |
1165 |
– |
f = new CompletableFuture<>(); |
1166 |
– |
f2 = new CompletableFuture<>(); |
1167 |
– |
assertTrue(f2.cancel(true)); |
989 |
|
checkCompletedWithWrappedCancellationException(g); |
990 |
< |
} |
991 |
< |
|
992 |
< |
/** |
1172 |
< |
* runAfterEither result completes normally after normal completion |
1173 |
< |
* of either source |
1174 |
< |
*/ |
1175 |
< |
public void testRunAfterEither() { |
1176 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1177 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1178 |
< |
Noop r = new Noop(); |
1179 |
< |
CompletableFuture<Void> g = f.runAfterEither(f2, r); |
1180 |
< |
f.complete(one); |
1181 |
< |
checkCompletedNormally(g, null); |
1182 |
< |
f2.complete(one); |
1183 |
< |
checkCompletedNormally(g, null); |
1184 |
< |
assertTrue(r.ran); |
1185 |
< |
|
1186 |
< |
r = new Noop(); |
1187 |
< |
f = new CompletableFuture<>(); |
1188 |
< |
f.complete(one); |
1189 |
< |
f2 = new CompletableFuture<>(); |
1190 |
< |
g = f.runAfterEither(f2, r); |
1191 |
< |
checkCompletedNormally(g, null); |
1192 |
< |
assertTrue(r.ran); |
1193 |
< |
} |
1194 |
< |
|
1195 |
< |
/** |
1196 |
< |
* runAfterEither result completes exceptionally after exceptional |
1197 |
< |
* completion of either source |
1198 |
< |
*/ |
1199 |
< |
public void testRunAfterEither2() { |
1200 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1201 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1202 |
< |
Noop r = new Noop(); |
1203 |
< |
CompletableFuture<Void> g = f.runAfterEither(f2, r); |
1204 |
< |
f.completeExceptionally(new CFException()); |
1205 |
< |
f2.complete(one); |
1206 |
< |
checkCompletedWithWrappedCFException(g); |
1207 |
< |
|
1208 |
< |
r = new Noop(); |
1209 |
< |
f = new CompletableFuture<>(); |
1210 |
< |
f2 = new CompletableFuture<>(); |
1211 |
< |
f2.completeExceptionally(new CFException()); |
1212 |
< |
g = f.runAfterEither(f2, r); |
1213 |
< |
checkCompletedWithWrappedCFException(g); |
1214 |
< |
} |
1215 |
< |
|
1216 |
< |
/** |
1217 |
< |
* runAfterEither result completes exceptionally if action does |
1218 |
< |
*/ |
1219 |
< |
public void testRunAfterEither3() { |
1220 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1221 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1222 |
< |
FailingNoop r = new FailingNoop(); |
1223 |
< |
CompletableFuture<Void> g = f.runAfterEither(f2, r); |
1224 |
< |
f2.complete(two); |
1225 |
< |
checkCompletedWithWrappedCFException(g); |
1226 |
< |
} |
990 |
> |
checkCancelled(f); |
991 |
> |
assertEquals(1, a.get()); |
992 |
> |
}} |
993 |
|
|
994 |
|
/** |
995 |
< |
* runAfterEither result completes exceptionally if either source cancelled |
995 |
> |
* If a whenComplete action throws an exception when triggered by |
996 |
> |
* a normal completion, it completes exceptionally |
997 |
|
*/ |
998 |
< |
public void testRunAfterEither4() { |
999 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1000 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1001 |
< |
Noop r = new Noop(); |
1002 |
< |
CompletableFuture<Void> g = f.runAfterEither(f2, r); |
1003 |
< |
assertTrue(f.cancel(true)); |
1004 |
< |
checkCompletedWithWrappedCancellationException(g); |
1005 |
< |
f = new CompletableFuture<>(); |
1006 |
< |
f2 = new CompletableFuture<>(); |
1007 |
< |
assertTrue(f2.cancel(true)); |
1008 |
< |
checkCompletedWithWrappedCancellationException(g); |
1009 |
< |
} |
998 |
> |
public void testWhenComplete_sourceCompletedNormallyActionFailed() { |
999 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1000 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1001 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1002 |
> |
{ |
1003 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1004 |
> |
final CFException ex = new CFException(); |
1005 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1006 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1007 |
> |
final CompletableFuture<Integer> g = m.whenComplete |
1008 |
> |
(f, |
1009 |
> |
(Integer result, Throwable t) -> { |
1010 |
> |
m.checkExecutionMode(); |
1011 |
> |
threadAssertSame(result, v1); |
1012 |
> |
threadAssertNull(t); |
1013 |
> |
a.getAndIncrement(); |
1014 |
> |
throw ex; |
1015 |
> |
}); |
1016 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
1017 |
> |
|
1018 |
> |
checkCompletedWithWrappedException(g, ex); |
1019 |
> |
checkCompletedNormally(f, v1); |
1020 |
> |
assertEquals(1, a.get()); |
1021 |
> |
}} |
1022 |
|
|
1023 |
|
/** |
1024 |
< |
* thenCompose result completes normally after normal completion of source |
1024 |
> |
* If a whenComplete action throws an exception when triggered by |
1025 |
> |
* a source completion that also throws an exception, the source |
1026 |
> |
* exception takes precedence (unlike handle) |
1027 |
|
*/ |
1028 |
< |
public void testThenCompose() { |
1029 |
< |
CompletableFuture<Integer> f, g; |
1030 |
< |
CompletableFutureInc r; |
1031 |
< |
|
1032 |
< |
f = new CompletableFuture<>(); |
1033 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1034 |
< |
f.complete(one); |
1035 |
< |
checkCompletedNormally(g, two); |
1036 |
< |
assertTrue(r.ran); |
1037 |
< |
|
1038 |
< |
f = new CompletableFuture<>(); |
1039 |
< |
f.complete(one); |
1040 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1041 |
< |
checkCompletedNormally(g, two); |
1042 |
< |
assertTrue(r.ran); |
1043 |
< |
} |
1028 |
> |
public void testWhenComplete_sourceFailedActionFailed() { |
1029 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1030 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1031 |
> |
{ |
1032 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1033 |
> |
final CFException ex1 = new CFException(); |
1034 |
> |
final CFException ex2 = new CFException(); |
1035 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1036 |
> |
|
1037 |
> |
if (!createIncomplete) f.completeExceptionally(ex1); |
1038 |
> |
final CompletableFuture<Integer> g = m.whenComplete |
1039 |
> |
(f, |
1040 |
> |
(Integer result, Throwable t) -> { |
1041 |
> |
m.checkExecutionMode(); |
1042 |
> |
threadAssertSame(t, ex1); |
1043 |
> |
threadAssertNull(result); |
1044 |
> |
a.getAndIncrement(); |
1045 |
> |
throw ex2; |
1046 |
> |
}); |
1047 |
> |
if (createIncomplete) f.completeExceptionally(ex1); |
1048 |
> |
|
1049 |
> |
checkCompletedWithWrappedException(g, ex1); |
1050 |
> |
checkCompletedExceptionally(f, ex1); |
1051 |
> |
if (testImplementationDetails) { |
1052 |
> |
assertEquals(1, ex1.getSuppressed().length); |
1053 |
> |
assertSame(ex2, ex1.getSuppressed()[0]); |
1054 |
> |
} |
1055 |
> |
assertEquals(1, a.get()); |
1056 |
> |
}} |
1057 |
|
|
1058 |
|
/** |
1059 |
< |
* thenCompose result completes exceptionally after exceptional |
1059 |
> |
* handle action completes normally with function value on normal |
1060 |
|
* completion of source |
1061 |
|
*/ |
1062 |
< |
public void testThenCompose2() { |
1063 |
< |
CompletableFuture<Integer> f, g; |
1064 |
< |
CompletableFutureInc r; |
1065 |
< |
|
1066 |
< |
f = new CompletableFuture<>(); |
1067 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1068 |
< |
f.completeExceptionally(new CFException()); |
1069 |
< |
checkCompletedWithWrappedCFException(g); |
1070 |
< |
|
1071 |
< |
f = new CompletableFuture<>(); |
1072 |
< |
f.completeExceptionally(new CFException()); |
1073 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1074 |
< |
checkCompletedWithWrappedCFException(g); |
1075 |
< |
} |
1076 |
< |
|
1077 |
< |
/** |
1078 |
< |
* thenCompose result completes exceptionally if action does |
1079 |
< |
*/ |
1080 |
< |
public void testThenCompose3() { |
1081 |
< |
CompletableFuture<Integer> f, g; |
1082 |
< |
FailingCompletableFutureFunction r; |
1083 |
< |
|
1084 |
< |
f = new CompletableFuture<>(); |
1291 |
< |
g = f.thenCompose(r = new FailingCompletableFutureFunction()); |
1292 |
< |
f.complete(one); |
1293 |
< |
checkCompletedWithWrappedCFException(g); |
1294 |
< |
|
1295 |
< |
f = new CompletableFuture<>(); |
1296 |
< |
f.complete(one); |
1297 |
< |
g = f.thenCompose(r = new FailingCompletableFutureFunction()); |
1298 |
< |
checkCompletedWithWrappedCFException(g); |
1299 |
< |
} |
1300 |
< |
|
1301 |
< |
/** |
1302 |
< |
* thenCompose result completes exceptionally if source cancelled |
1303 |
< |
*/ |
1304 |
< |
public void testThenCompose4() { |
1305 |
< |
CompletableFuture<Integer> f, g; |
1306 |
< |
CompletableFutureInc r; |
1307 |
< |
|
1308 |
< |
f = new CompletableFuture<>(); |
1309 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1310 |
< |
assertTrue(f.cancel(true)); |
1311 |
< |
checkCompletedWithWrappedCancellationException(g); |
1312 |
< |
|
1313 |
< |
f = new CompletableFuture<>(); |
1314 |
< |
assertTrue(f.cancel(true)); |
1315 |
< |
g = f.thenCompose(r = new CompletableFutureInc()); |
1316 |
< |
checkCompletedWithWrappedCancellationException(g); |
1317 |
< |
} |
1318 |
< |
|
1319 |
< |
// asyncs |
1062 |
> |
public void testHandle_normalCompletion() { |
1063 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1064 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1065 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1066 |
> |
{ |
1067 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1068 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1069 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1070 |
> |
final CompletableFuture<Integer> g = m.handle |
1071 |
> |
(f, |
1072 |
> |
(Integer result, Throwable t) -> { |
1073 |
> |
m.checkExecutionMode(); |
1074 |
> |
threadAssertSame(result, v1); |
1075 |
> |
threadAssertNull(t); |
1076 |
> |
a.getAndIncrement(); |
1077 |
> |
return inc(v1); |
1078 |
> |
}); |
1079 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
1080 |
> |
|
1081 |
> |
checkCompletedNormally(g, inc(v1)); |
1082 |
> |
checkCompletedNormally(f, v1); |
1083 |
> |
assertEquals(1, a.get()); |
1084 |
> |
}} |
1085 |
|
|
1086 |
|
/** |
1087 |
< |
* thenRunAsync result completes normally after normal completion of source |
1087 |
> |
* handle action completes normally with function value on |
1088 |
> |
* exceptional completion of source |
1089 |
|
*/ |
1090 |
< |
public void testThenRunAsync() { |
1091 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1092 |
< |
Noop r = new Noop(); |
1093 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r); |
1094 |
< |
f.complete(null); |
1095 |
< |
checkCompletedNormally(g, null); |
1090 |
> |
public void testHandle_exceptionalCompletion() { |
1091 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1092 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1093 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1094 |
> |
{ |
1095 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1096 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1097 |
> |
final CFException ex = new CFException(); |
1098 |
> |
if (!createIncomplete) f.completeExceptionally(ex); |
1099 |
> |
final CompletableFuture<Integer> g = m.handle |
1100 |
> |
(f, |
1101 |
> |
(Integer result, Throwable t) -> { |
1102 |
> |
m.checkExecutionMode(); |
1103 |
> |
threadAssertNull(result); |
1104 |
> |
threadAssertSame(t, ex); |
1105 |
> |
a.getAndIncrement(); |
1106 |
> |
return v1; |
1107 |
> |
}); |
1108 |
> |
if (createIncomplete) f.completeExceptionally(ex); |
1109 |
> |
|
1110 |
> |
checkCompletedNormally(g, v1); |
1111 |
> |
checkCompletedExceptionally(f, ex); |
1112 |
> |
assertEquals(1, a.get()); |
1113 |
> |
}} |
1114 |
> |
|
1115 |
> |
/** |
1116 |
> |
* handle action completes normally with function value on |
1117 |
> |
* cancelled source |
1118 |
> |
*/ |
1119 |
> |
public void testHandle_sourceCancelled() { |
1120 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1121 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1122 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1123 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1124 |
> |
{ |
1125 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1126 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1127 |
> |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1128 |
> |
final CompletableFuture<Integer> g = m.handle |
1129 |
> |
(f, |
1130 |
> |
(Integer result, Throwable t) -> { |
1131 |
> |
m.checkExecutionMode(); |
1132 |
> |
threadAssertNull(result); |
1133 |
> |
threadAssertTrue(t instanceof CancellationException); |
1134 |
> |
a.getAndIncrement(); |
1135 |
> |
return v1; |
1136 |
> |
}); |
1137 |
> |
if (createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
1138 |
|
|
1139 |
< |
// reordered version |
1140 |
< |
f = new CompletableFuture<>(); |
1141 |
< |
f.complete(null); |
1142 |
< |
r = new Noop(); |
1335 |
< |
g = f.thenRunAsync(r); |
1336 |
< |
checkCompletedNormally(g, null); |
1337 |
< |
} |
1139 |
> |
checkCompletedNormally(g, v1); |
1140 |
> |
checkCancelled(f); |
1141 |
> |
assertEquals(1, a.get()); |
1142 |
> |
}} |
1143 |
|
|
1144 |
|
/** |
1145 |
< |
* thenRunAsync result completes exceptionally after exceptional |
1146 |
< |
* completion of source |
1145 |
> |
* If a "handle action" throws an exception when triggered by |
1146 |
> |
* a normal completion, it completes exceptionally |
1147 |
|
*/ |
1148 |
< |
public void testThenRunAsync2() { |
1149 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1150 |
< |
Noop r = new Noop(); |
1151 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r); |
1152 |
< |
f.completeExceptionally(new CFException()); |
1153 |
< |
try { |
1154 |
< |
g.join(); |
1155 |
< |
shouldThrow(); |
1156 |
< |
} catch (CompletionException success) {} |
1157 |
< |
checkCompletedWithWrappedCFException(g); |
1158 |
< |
} |
1148 |
> |
public void testHandle_sourceCompletedNormallyActionFailed() { |
1149 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1150 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1151 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1152 |
> |
{ |
1153 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1154 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1155 |
> |
final CFException ex = new CFException(); |
1156 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
1157 |
> |
final CompletableFuture<Integer> g = m.handle |
1158 |
> |
(f, |
1159 |
> |
(Integer result, Throwable t) -> { |
1160 |
> |
m.checkExecutionMode(); |
1161 |
> |
threadAssertSame(result, v1); |
1162 |
> |
threadAssertNull(t); |
1163 |
> |
a.getAndIncrement(); |
1164 |
> |
throw ex; |
1165 |
> |
}); |
1166 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
1167 |
> |
|
1168 |
> |
checkCompletedWithWrappedException(g, ex); |
1169 |
> |
checkCompletedNormally(f, v1); |
1170 |
> |
assertEquals(1, a.get()); |
1171 |
> |
}} |
1172 |
> |
|
1173 |
> |
/** |
1174 |
> |
* If a "handle action" throws an exception when triggered by |
1175 |
> |
* a source completion that also throws an exception, the action |
1176 |
> |
* exception takes precedence (unlike whenComplete) |
1177 |
> |
*/ |
1178 |
> |
public void testHandle_sourceFailedActionFailed() { |
1179 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
1180 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1181 |
> |
{ |
1182 |
> |
final AtomicInteger a = new AtomicInteger(0); |
1183 |
> |
final CFException ex1 = new CFException(); |
1184 |
> |
final CFException ex2 = new CFException(); |
1185 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1186 |
> |
|
1187 |
> |
if (!createIncomplete) f.completeExceptionally(ex1); |
1188 |
> |
final CompletableFuture<Integer> g = m.handle |
1189 |
> |
(f, |
1190 |
> |
(Integer result, Throwable t) -> { |
1191 |
> |
m.checkExecutionMode(); |
1192 |
> |
threadAssertNull(result); |
1193 |
> |
threadAssertSame(ex1, t); |
1194 |
> |
a.getAndIncrement(); |
1195 |
> |
throw ex2; |
1196 |
> |
}); |
1197 |
> |
if (createIncomplete) f.completeExceptionally(ex1); |
1198 |
> |
|
1199 |
> |
checkCompletedWithWrappedException(g, ex2); |
1200 |
> |
checkCompletedExceptionally(f, ex1); |
1201 |
> |
assertEquals(1, a.get()); |
1202 |
> |
}} |
1203 |
|
|
1204 |
|
/** |
1205 |
< |
* thenRunAsync result completes exceptionally if action does |
1357 |
< |
*/ |
1358 |
< |
public void testThenRunAsync3() { |
1359 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1360 |
< |
FailingNoop r = new FailingNoop(); |
1361 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r); |
1362 |
< |
f.complete(null); |
1363 |
< |
checkCompletedWithWrappedCFException(g); |
1364 |
< |
} |
1365 |
< |
|
1366 |
< |
/** |
1367 |
< |
* thenRunAsync result completes exceptionally if source cancelled |
1205 |
> |
* runAsync completes after running Runnable |
1206 |
|
*/ |
1207 |
< |
public void testThenRunAsync4() { |
1208 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1209 |
< |
Noop r = new Noop(); |
1210 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r); |
1211 |
< |
assertTrue(f.cancel(true)); |
1212 |
< |
checkCompletedWithWrappedCancellationException(g); |
1213 |
< |
} |
1207 |
> |
public void testRunAsync_normalCompletion() { |
1208 |
> |
ExecutionMode[] executionModes = { |
1209 |
> |
ExecutionMode.ASYNC, |
1210 |
> |
ExecutionMode.EXECUTOR, |
1211 |
> |
}; |
1212 |
> |
for (ExecutionMode m : executionModes) |
1213 |
> |
{ |
1214 |
> |
final Noop r = new Noop(m); |
1215 |
> |
final CompletableFuture<Void> f = m.runAsync(r); |
1216 |
> |
assertNull(f.join()); |
1217 |
> |
checkCompletedNormally(f, null); |
1218 |
> |
r.assertInvoked(); |
1219 |
> |
}} |
1220 |
|
|
1221 |
|
/** |
1222 |
< |
* thenApplyAsync result completes normally after normal completion of source |
1222 |
> |
* failing runAsync completes exceptionally after running Runnable |
1223 |
|
*/ |
1224 |
< |
public void testThenApplyAsync() { |
1225 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1226 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
1227 |
< |
f.complete(one); |
1228 |
< |
checkCompletedNormally(g, two); |
1229 |
< |
} |
1224 |
> |
public void testRunAsync_exceptionalCompletion() { |
1225 |
> |
ExecutionMode[] executionModes = { |
1226 |
> |
ExecutionMode.ASYNC, |
1227 |
> |
ExecutionMode.EXECUTOR, |
1228 |
> |
}; |
1229 |
> |
for (ExecutionMode m : executionModes) |
1230 |
> |
{ |
1231 |
> |
final FailingRunnable r = new FailingRunnable(m); |
1232 |
> |
final CompletableFuture<Void> f = m.runAsync(r); |
1233 |
> |
checkCompletedWithWrappedException(f, r.ex); |
1234 |
> |
r.assertInvoked(); |
1235 |
> |
}} |
1236 |
|
|
1237 |
|
/** |
1238 |
< |
* thenApplyAsync result completes exceptionally after exceptional |
1389 |
< |
* completion of source |
1238 |
> |
* supplyAsync completes with result of supplier |
1239 |
|
*/ |
1240 |
< |
public void testThenApplyAsync2() { |
1241 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1242 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
1243 |
< |
f.completeExceptionally(new CFException()); |
1244 |
< |
checkCompletedWithWrappedCFException(g); |
1245 |
< |
} |
1240 |
> |
public void testSupplyAsync_normalCompletion() { |
1241 |
> |
ExecutionMode[] executionModes = { |
1242 |
> |
ExecutionMode.ASYNC, |
1243 |
> |
ExecutionMode.EXECUTOR, |
1244 |
> |
}; |
1245 |
> |
for (ExecutionMode m : executionModes) |
1246 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1247 |
> |
{ |
1248 |
> |
final IntegerSupplier r = new IntegerSupplier(m, v1); |
1249 |
> |
final CompletableFuture<Integer> f = m.supplyAsync(r); |
1250 |
> |
assertSame(v1, f.join()); |
1251 |
> |
checkCompletedNormally(f, v1); |
1252 |
> |
r.assertInvoked(); |
1253 |
> |
}} |
1254 |
|
|
1255 |
|
/** |
1256 |
< |
* thenApplyAsync result completes exceptionally if action does |
1256 |
> |
* Failing supplyAsync completes exceptionally |
1257 |
|
*/ |
1258 |
< |
public void testThenApplyAsync3() { |
1259 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1260 |
< |
FailingFunction r = new FailingFunction(); |
1261 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(r); |
1262 |
< |
f.complete(null); |
1263 |
< |
checkCompletedWithWrappedCFException(g); |
1264 |
< |
} |
1258 |
> |
public void testSupplyAsync_exceptionalCompletion() { |
1259 |
> |
ExecutionMode[] executionModes = { |
1260 |
> |
ExecutionMode.ASYNC, |
1261 |
> |
ExecutionMode.EXECUTOR, |
1262 |
> |
}; |
1263 |
> |
for (ExecutionMode m : executionModes) |
1264 |
> |
{ |
1265 |
> |
FailingSupplier r = new FailingSupplier(m); |
1266 |
> |
CompletableFuture<Integer> f = m.supplyAsync(r); |
1267 |
> |
checkCompletedWithWrappedException(f, r.ex); |
1268 |
> |
r.assertInvoked(); |
1269 |
> |
}} |
1270 |
|
|
1271 |
< |
/** |
1410 |
< |
* thenApplyAsync result completes exceptionally if source cancelled |
1411 |
< |
*/ |
1412 |
< |
public void testThenApplyAsync4() { |
1413 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1414 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc); |
1415 |
< |
assertTrue(f.cancel(true)); |
1416 |
< |
checkCompletedWithWrappedCancellationException(g); |
1417 |
< |
} |
1271 |
> |
// seq completion methods |
1272 |
|
|
1273 |
|
/** |
1274 |
< |
* thenAcceptAsync result completes normally after normal |
1421 |
< |
* completion of source |
1274 |
> |
* thenRun result completes normally after normal completion of source |
1275 |
|
*/ |
1276 |
< |
public void testThenAcceptAsync() { |
1277 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1278 |
< |
IncAction r = new IncAction(); |
1279 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
1280 |
< |
f.complete(one); |
1281 |
< |
checkCompletedNormally(g, null); |
1282 |
< |
assertEquals(r.value, 2); |
1283 |
< |
} |
1276 |
> |
public void testThenRun_normalCompletion() { |
1277 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1278 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1279 |
> |
{ |
1280 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1281 |
> |
final Noop[] rs = new Noop[6]; |
1282 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1283 |
> |
|
1284 |
> |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1285 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1286 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1287 |
> |
checkIncomplete(h0); |
1288 |
> |
checkIncomplete(h1); |
1289 |
> |
checkIncomplete(h2); |
1290 |
> |
assertTrue(f.complete(v1)); |
1291 |
> |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1292 |
> |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1293 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1294 |
> |
|
1295 |
> |
checkCompletedNormally(h0, null); |
1296 |
> |
checkCompletedNormally(h1, null); |
1297 |
> |
checkCompletedNormally(h2, null); |
1298 |
> |
checkCompletedNormally(h3, null); |
1299 |
> |
checkCompletedNormally(h4, null); |
1300 |
> |
checkCompletedNormally(h5, null); |
1301 |
> |
checkCompletedNormally(f, v1); |
1302 |
> |
for (Noop r : rs) r.assertInvoked(); |
1303 |
> |
}} |
1304 |
|
|
1305 |
|
/** |
1306 |
< |
* thenAcceptAsync result completes exceptionally after exceptional |
1306 |
> |
* thenRun result completes exceptionally after exceptional |
1307 |
|
* completion of source |
1308 |
|
*/ |
1309 |
< |
public void testThenAcceptAsync2() { |
1310 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1311 |
< |
IncAction r = new IncAction(); |
1312 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
1313 |
< |
f.completeExceptionally(new CFException()); |
1314 |
< |
checkCompletedWithWrappedCFException(g); |
1315 |
< |
} |
1316 |
< |
|
1317 |
< |
/** |
1318 |
< |
* thenAcceptAsync result completes exceptionally if action does |
1319 |
< |
*/ |
1320 |
< |
public void testThenAcceptAsync3() { |
1321 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1322 |
< |
FailingConsumer r = new FailingConsumer(); |
1323 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
1324 |
< |
f.complete(null); |
1325 |
< |
checkCompletedWithWrappedCFException(g); |
1326 |
< |
} |
1309 |
> |
public void testThenRun_exceptionalCompletion() { |
1310 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1311 |
> |
{ |
1312 |
> |
final CFException ex = new CFException(); |
1313 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1314 |
> |
final Noop[] rs = new Noop[6]; |
1315 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1316 |
> |
|
1317 |
> |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1318 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1319 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1320 |
> |
checkIncomplete(h0); |
1321 |
> |
checkIncomplete(h1); |
1322 |
> |
checkIncomplete(h2); |
1323 |
> |
assertTrue(f.completeExceptionally(ex)); |
1324 |
> |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1325 |
> |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1326 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1327 |
> |
|
1328 |
> |
checkCompletedWithWrappedException(h0, ex); |
1329 |
> |
checkCompletedWithWrappedException(h1, ex); |
1330 |
> |
checkCompletedWithWrappedException(h2, ex); |
1331 |
> |
checkCompletedWithWrappedException(h3, ex); |
1332 |
> |
checkCompletedWithWrappedException(h4, ex); |
1333 |
> |
checkCompletedWithWrappedException(h5, ex); |
1334 |
> |
checkCompletedExceptionally(f, ex); |
1335 |
> |
for (Noop r : rs) r.assertNotInvoked(); |
1336 |
> |
}} |
1337 |
|
|
1338 |
|
/** |
1339 |
< |
* thenAcceptAsync result completes exceptionally if source cancelled |
1457 |
< |
*/ |
1458 |
< |
public void testThenAcceptAsync4() { |
1459 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1460 |
< |
IncAction r = new IncAction(); |
1461 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r); |
1462 |
< |
assertTrue(f.cancel(true)); |
1463 |
< |
checkCompletedWithWrappedCancellationException(g); |
1464 |
< |
} |
1465 |
< |
|
1466 |
< |
/** |
1467 |
< |
* thenCombineAsync result completes normally after normal |
1468 |
< |
* completion of sources |
1469 |
< |
*/ |
1470 |
< |
public void testThenCombineAsync() { |
1471 |
< |
CompletableFuture<Integer> f, g, h; |
1472 |
< |
|
1473 |
< |
f = new CompletableFuture<>(); |
1474 |
< |
g = new CompletableFuture<>(); |
1475 |
< |
h = f.thenCombineAsync(g, subtract); |
1476 |
< |
f.complete(3); |
1477 |
< |
checkIncomplete(h); |
1478 |
< |
g.complete(1); |
1479 |
< |
checkCompletedNormally(h, 2); |
1480 |
< |
|
1481 |
< |
f = new CompletableFuture<>(); |
1482 |
< |
g = new CompletableFuture<>(); |
1483 |
< |
h = f.thenCombineAsync(g, subtract); |
1484 |
< |
g.complete(1); |
1485 |
< |
checkIncomplete(h); |
1486 |
< |
f.complete(3); |
1487 |
< |
checkCompletedNormally(h, 2); |
1488 |
< |
|
1489 |
< |
f = new CompletableFuture<>(); |
1490 |
< |
g = new CompletableFuture<>(); |
1491 |
< |
g.complete(1); |
1492 |
< |
f.complete(3); |
1493 |
< |
h = f.thenCombineAsync(g, subtract); |
1494 |
< |
checkCompletedNormally(h, 2); |
1495 |
< |
} |
1496 |
< |
|
1497 |
< |
/** |
1498 |
< |
* thenCombineAsync result completes exceptionally after exceptional |
1499 |
< |
* completion of either source |
1500 |
< |
*/ |
1501 |
< |
public void testThenCombineAsync2() { |
1502 |
< |
CompletableFuture<Integer> f, g, h; |
1503 |
< |
|
1504 |
< |
f = new CompletableFuture<>(); |
1505 |
< |
g = new CompletableFuture<>(); |
1506 |
< |
h = f.thenCombineAsync(g, subtract); |
1507 |
< |
f.completeExceptionally(new CFException()); |
1508 |
< |
checkIncomplete(h); |
1509 |
< |
g.complete(1); |
1510 |
< |
checkCompletedWithWrappedCFException(h); |
1511 |
< |
|
1512 |
< |
f = new CompletableFuture<>(); |
1513 |
< |
g = new CompletableFuture<>(); |
1514 |
< |
h = f.thenCombineAsync(g, subtract); |
1515 |
< |
g.completeExceptionally(new CFException()); |
1516 |
< |
checkIncomplete(h); |
1517 |
< |
f.complete(3); |
1518 |
< |
checkCompletedWithWrappedCFException(h); |
1519 |
< |
|
1520 |
< |
f = new CompletableFuture<>(); |
1521 |
< |
g = new CompletableFuture<>(); |
1522 |
< |
g.completeExceptionally(new CFException()); |
1523 |
< |
f.complete(3); |
1524 |
< |
h = f.thenCombineAsync(g, subtract); |
1525 |
< |
checkCompletedWithWrappedCFException(h); |
1526 |
< |
} |
1527 |
< |
|
1528 |
< |
/** |
1529 |
< |
* thenCombineAsync result completes exceptionally if action does |
1339 |
> |
* thenRun result completes exceptionally if source cancelled |
1340 |
|
*/ |
1341 |
< |
public void testThenCombineAsync3() { |
1342 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1343 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1344 |
< |
FailingBiFunction r = new FailingBiFunction(); |
1345 |
< |
CompletableFuture<Integer> g = f.thenCombineAsync(f2, r); |
1346 |
< |
f.complete(one); |
1347 |
< |
checkIncomplete(g); |
1348 |
< |
assertFalse(r.ran); |
1349 |
< |
f2.complete(two); |
1350 |
< |
checkCompletedWithWrappedCFException(g); |
1351 |
< |
assertTrue(r.ran); |
1352 |
< |
} |
1341 |
> |
public void testThenRun_sourceCancelled() { |
1342 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1343 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1344 |
> |
{ |
1345 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1346 |
> |
final Noop[] rs = new Noop[6]; |
1347 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
1348 |
> |
|
1349 |
> |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1350 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1351 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1352 |
> |
checkIncomplete(h0); |
1353 |
> |
checkIncomplete(h1); |
1354 |
> |
checkIncomplete(h2); |
1355 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1356 |
> |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1357 |
> |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1358 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1359 |
> |
|
1360 |
> |
checkCompletedWithWrappedCancellationException(h0); |
1361 |
> |
checkCompletedWithWrappedCancellationException(h1); |
1362 |
> |
checkCompletedWithWrappedCancellationException(h2); |
1363 |
> |
checkCompletedWithWrappedCancellationException(h3); |
1364 |
> |
checkCompletedWithWrappedCancellationException(h4); |
1365 |
> |
checkCompletedWithWrappedCancellationException(h5); |
1366 |
> |
checkCancelled(f); |
1367 |
> |
for (Noop r : rs) r.assertNotInvoked(); |
1368 |
> |
}} |
1369 |
|
|
1370 |
|
/** |
1371 |
< |
* thenCombineAsync result completes exceptionally if either source cancelled |
1371 |
> |
* thenRun result completes exceptionally if action does |
1372 |
|
*/ |
1373 |
< |
public void testThenCombineAsync4() { |
1374 |
< |
CompletableFuture<Integer> f, g, h; |
1375 |
< |
|
1376 |
< |
f = new CompletableFuture<>(); |
1377 |
< |
g = new CompletableFuture<>(); |
1378 |
< |
h = f.thenCombineAsync(g, subtract); |
1379 |
< |
assertTrue(f.cancel(true)); |
1380 |
< |
checkIncomplete(h); |
1381 |
< |
g.complete(1); |
1382 |
< |
checkCompletedWithWrappedCancellationException(h); |
1383 |
< |
|
1384 |
< |
f = new CompletableFuture<>(); |
1385 |
< |
g = new CompletableFuture<>(); |
1386 |
< |
h = f.thenCombineAsync(g, subtract); |
1387 |
< |
assertTrue(g.cancel(true)); |
1388 |
< |
checkIncomplete(h); |
1389 |
< |
f.complete(3); |
1390 |
< |
checkCompletedWithWrappedCancellationException(h); |
1391 |
< |
|
1392 |
< |
f = new CompletableFuture<>(); |
1393 |
< |
g = new CompletableFuture<>(); |
1394 |
< |
g.complete(3); |
1395 |
< |
assertTrue(f.cancel(true)); |
1396 |
< |
h = f.thenCombineAsync(g, subtract); |
1571 |
< |
checkCompletedWithWrappedCancellationException(h); |
1572 |
< |
|
1573 |
< |
f = new CompletableFuture<>(); |
1574 |
< |
g = new CompletableFuture<>(); |
1575 |
< |
f.complete(3); |
1576 |
< |
assertTrue(g.cancel(true)); |
1577 |
< |
h = f.thenCombineAsync(g, subtract); |
1578 |
< |
checkCompletedWithWrappedCancellationException(h); |
1579 |
< |
} |
1373 |
> |
public void testThenRun_actionFailed() { |
1374 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1375 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1376 |
> |
{ |
1377 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1378 |
> |
final FailingRunnable[] rs = new FailingRunnable[6]; |
1379 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); |
1380 |
> |
|
1381 |
> |
final CompletableFuture<Void> h0 = m.thenRun(f, rs[0]); |
1382 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, f, rs[1]); |
1383 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, f, rs[2]); |
1384 |
> |
assertTrue(f.complete(v1)); |
1385 |
> |
final CompletableFuture<Void> h3 = m.thenRun(f, rs[3]); |
1386 |
> |
final CompletableFuture<Void> h4 = m.runAfterBoth(f, f, rs[4]); |
1387 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(f, f, rs[5]); |
1388 |
> |
|
1389 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
1390 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
1391 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
1392 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
1393 |
> |
checkCompletedWithWrappedException(h4, rs[4].ex); |
1394 |
> |
checkCompletedWithWrappedException(h5, rs[5].ex); |
1395 |
> |
checkCompletedNormally(f, v1); |
1396 |
> |
}} |
1397 |
|
|
1398 |
|
/** |
1399 |
< |
* thenAcceptBothAsync result completes normally after normal |
1583 |
< |
* completion of sources |
1399 |
> |
* thenApply result completes normally after normal completion of source |
1400 |
|
*/ |
1401 |
< |
public void testThenAcceptBothAsync() { |
1402 |
< |
CompletableFuture<Integer> f, g; |
1403 |
< |
CompletableFuture<Void> h; |
1404 |
< |
SubtractAction r; |
1405 |
< |
|
1406 |
< |
f = new CompletableFuture<>(); |
1407 |
< |
g = new CompletableFuture<>(); |
1408 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1409 |
< |
f.complete(3); |
1410 |
< |
checkIncomplete(h); |
1411 |
< |
g.complete(1); |
1412 |
< |
checkCompletedNormally(h, null); |
1413 |
< |
assertEquals(r.value, 2); |
1414 |
< |
|
1415 |
< |
f = new CompletableFuture<>(); |
1416 |
< |
g = new CompletableFuture<>(); |
1417 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1418 |
< |
g.complete(1); |
1419 |
< |
checkIncomplete(h); |
1420 |
< |
f.complete(3); |
1421 |
< |
checkCompletedNormally(h, null); |
1422 |
< |
assertEquals(r.value, 2); |
1423 |
< |
|
1608 |
< |
f = new CompletableFuture<>(); |
1609 |
< |
g = new CompletableFuture<>(); |
1610 |
< |
g.complete(1); |
1611 |
< |
f.complete(3); |
1612 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1613 |
< |
checkCompletedNormally(h, null); |
1614 |
< |
assertEquals(r.value, 2); |
1615 |
< |
} |
1401 |
> |
public void testThenApply_normalCompletion() { |
1402 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1403 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1404 |
> |
{ |
1405 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1406 |
> |
final IncFunction[] rs = new IncFunction[4]; |
1407 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1408 |
> |
|
1409 |
> |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1410 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1411 |
> |
checkIncomplete(h0); |
1412 |
> |
checkIncomplete(h1); |
1413 |
> |
assertTrue(f.complete(v1)); |
1414 |
> |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1415 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1416 |
> |
|
1417 |
> |
checkCompletedNormally(h0, inc(v1)); |
1418 |
> |
checkCompletedNormally(h1, inc(v1)); |
1419 |
> |
checkCompletedNormally(h2, inc(v1)); |
1420 |
> |
checkCompletedNormally(h3, inc(v1)); |
1421 |
> |
checkCompletedNormally(f, v1); |
1422 |
> |
for (IncFunction r : rs) r.assertValue(inc(v1)); |
1423 |
> |
}} |
1424 |
|
|
1425 |
|
/** |
1426 |
< |
* thenAcceptBothAsync result completes exceptionally after exceptional |
1426 |
> |
* thenApply result completes exceptionally after exceptional |
1427 |
|
* completion of source |
1428 |
|
*/ |
1429 |
< |
public void testThenAcceptBothAsync2() { |
1430 |
< |
CompletableFuture<Integer> f, g; |
1431 |
< |
CompletableFuture<Void> h; |
1432 |
< |
SubtractAction r; |
1433 |
< |
|
1434 |
< |
f = new CompletableFuture<>(); |
1435 |
< |
g = new CompletableFuture<>(); |
1436 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1437 |
< |
f.completeExceptionally(new CFException()); |
1438 |
< |
checkIncomplete(h); |
1439 |
< |
g.complete(1); |
1440 |
< |
checkCompletedWithWrappedCFException(h); |
1441 |
< |
|
1442 |
< |
f = new CompletableFuture<>(); |
1443 |
< |
g = new CompletableFuture<>(); |
1444 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1445 |
< |
g.completeExceptionally(new CFException()); |
1446 |
< |
checkIncomplete(h); |
1447 |
< |
f.complete(3); |
1448 |
< |
checkCompletedWithWrappedCFException(h); |
1449 |
< |
|
1642 |
< |
f = new CompletableFuture<>(); |
1643 |
< |
g = new CompletableFuture<>(); |
1644 |
< |
f.complete(3); |
1645 |
< |
g.completeExceptionally(new CFException()); |
1646 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1647 |
< |
checkCompletedWithWrappedCFException(h); |
1648 |
< |
|
1649 |
< |
f = new CompletableFuture<>(); |
1650 |
< |
g = new CompletableFuture<>(); |
1651 |
< |
f.completeExceptionally(new CFException()); |
1652 |
< |
g.complete(3); |
1653 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1654 |
< |
checkCompletedWithWrappedCFException(h); |
1655 |
< |
} |
1429 |
> |
public void testThenApply_exceptionalCompletion() { |
1430 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1431 |
> |
{ |
1432 |
> |
final CFException ex = new CFException(); |
1433 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1434 |
> |
final IncFunction[] rs = new IncFunction[4]; |
1435 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1436 |
> |
|
1437 |
> |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1438 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1439 |
> |
assertTrue(f.completeExceptionally(ex)); |
1440 |
> |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1441 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1442 |
> |
|
1443 |
> |
checkCompletedWithWrappedException(h0, ex); |
1444 |
> |
checkCompletedWithWrappedException(h1, ex); |
1445 |
> |
checkCompletedWithWrappedException(h2, ex); |
1446 |
> |
checkCompletedWithWrappedException(h3, ex); |
1447 |
> |
checkCompletedExceptionally(f, ex); |
1448 |
> |
for (IncFunction r : rs) r.assertNotInvoked(); |
1449 |
> |
}} |
1450 |
|
|
1451 |
|
/** |
1452 |
< |
* thenAcceptBothAsync result completes exceptionally if action does |
1452 |
> |
* thenApply result completes exceptionally if source cancelled |
1453 |
|
*/ |
1454 |
< |
public void testThenAcceptBothAsync3() { |
1455 |
< |
CompletableFuture<Integer> f, g; |
1456 |
< |
CompletableFuture<Void> h; |
1457 |
< |
FailingBiConsumer r; |
1458 |
< |
|
1459 |
< |
f = new CompletableFuture<>(); |
1460 |
< |
g = new CompletableFuture<>(); |
1461 |
< |
h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer()); |
1462 |
< |
f.complete(3); |
1463 |
< |
checkIncomplete(h); |
1464 |
< |
g.complete(1); |
1465 |
< |
checkCompletedWithWrappedCFException(h); |
1466 |
< |
|
1467 |
< |
f = new CompletableFuture<>(); |
1468 |
< |
g = new CompletableFuture<>(); |
1469 |
< |
f.complete(3); |
1470 |
< |
g.complete(1); |
1471 |
< |
h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer()); |
1472 |
< |
checkCompletedWithWrappedCFException(h); |
1473 |
< |
} |
1454 |
> |
public void testThenApply_sourceCancelled() { |
1455 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1456 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1457 |
> |
{ |
1458 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1459 |
> |
final IncFunction[] rs = new IncFunction[4]; |
1460 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
1461 |
> |
|
1462 |
> |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1463 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1464 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1465 |
> |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1466 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1467 |
> |
|
1468 |
> |
checkCompletedWithWrappedCancellationException(h0); |
1469 |
> |
checkCompletedWithWrappedCancellationException(h1); |
1470 |
> |
checkCompletedWithWrappedCancellationException(h2); |
1471 |
> |
checkCompletedWithWrappedCancellationException(h3); |
1472 |
> |
checkCancelled(f); |
1473 |
> |
for (IncFunction r : rs) r.assertNotInvoked(); |
1474 |
> |
}} |
1475 |
|
|
1476 |
|
/** |
1477 |
< |
* thenAcceptBothAsync result completes exceptionally if either source cancelled |
1477 |
> |
* thenApply result completes exceptionally if action does |
1478 |
|
*/ |
1479 |
< |
public void testThenAcceptBothAsync4() { |
1480 |
< |
CompletableFuture<Integer> f, g; |
1481 |
< |
CompletableFuture<Void> h; |
1482 |
< |
SubtractAction r; |
1483 |
< |
|
1484 |
< |
f = new CompletableFuture<>(); |
1485 |
< |
g = new CompletableFuture<>(); |
1486 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1487 |
< |
assertTrue(f.cancel(true)); |
1488 |
< |
checkIncomplete(h); |
1489 |
< |
g.complete(1); |
1490 |
< |
checkCompletedWithWrappedCancellationException(h); |
1491 |
< |
|
1492 |
< |
f = new CompletableFuture<>(); |
1493 |
< |
g = new CompletableFuture<>(); |
1494 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1495 |
< |
assertTrue(g.cancel(true)); |
1496 |
< |
checkIncomplete(h); |
1497 |
< |
f.complete(3); |
1498 |
< |
checkCompletedWithWrappedCancellationException(h); |
1704 |
< |
|
1705 |
< |
f = new CompletableFuture<>(); |
1706 |
< |
g = new CompletableFuture<>(); |
1707 |
< |
f.complete(3); |
1708 |
< |
assertTrue(g.cancel(true)); |
1709 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1710 |
< |
checkCompletedWithWrappedCancellationException(h); |
1711 |
< |
|
1712 |
< |
f = new CompletableFuture<>(); |
1713 |
< |
g = new CompletableFuture<>(); |
1714 |
< |
assertTrue(f.cancel(true)); |
1715 |
< |
g.complete(3); |
1716 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction()); |
1717 |
< |
checkCompletedWithWrappedCancellationException(h); |
1718 |
< |
} |
1479 |
> |
public void testThenApply_actionFailed() { |
1480 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1481 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1482 |
> |
{ |
1483 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1484 |
> |
final FailingFunction[] rs = new FailingFunction[4]; |
1485 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
1486 |
> |
|
1487 |
> |
final CompletableFuture<Integer> h0 = m.thenApply(f, rs[0]); |
1488 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(f, f, rs[1]); |
1489 |
> |
assertTrue(f.complete(v1)); |
1490 |
> |
final CompletableFuture<Integer> h2 = m.thenApply(f, rs[2]); |
1491 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(f, f, rs[3]); |
1492 |
> |
|
1493 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
1494 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
1495 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
1496 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
1497 |
> |
checkCompletedNormally(f, v1); |
1498 |
> |
}} |
1499 |
|
|
1500 |
|
/** |
1501 |
< |
* runAfterBothAsync result completes normally after normal |
1722 |
< |
* completion of sources |
1501 |
> |
* thenAccept result completes normally after normal completion of source |
1502 |
|
*/ |
1503 |
< |
public void testRunAfterBothAsync() { |
1504 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1505 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1506 |
< |
Noop r = new Noop(); |
1507 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r); |
1508 |
< |
f.complete(one); |
1509 |
< |
checkIncomplete(g); |
1510 |
< |
f2.complete(two); |
1511 |
< |
checkCompletedNormally(g, null); |
1512 |
< |
assertTrue(r.ran); |
1513 |
< |
} |
1503 |
> |
public void testThenAccept_normalCompletion() { |
1504 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1505 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1506 |
> |
{ |
1507 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1508 |
> |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1509 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1510 |
> |
|
1511 |
> |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1512 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1513 |
> |
checkIncomplete(h0); |
1514 |
> |
checkIncomplete(h1); |
1515 |
> |
assertTrue(f.complete(v1)); |
1516 |
> |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1517 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1518 |
> |
|
1519 |
> |
checkCompletedNormally(h0, null); |
1520 |
> |
checkCompletedNormally(h1, null); |
1521 |
> |
checkCompletedNormally(h2, null); |
1522 |
> |
checkCompletedNormally(h3, null); |
1523 |
> |
checkCompletedNormally(f, v1); |
1524 |
> |
for (NoopConsumer r : rs) r.assertValue(v1); |
1525 |
> |
}} |
1526 |
|
|
1527 |
|
/** |
1528 |
< |
* runAfterBothAsync result completes exceptionally after exceptional |
1528 |
> |
* thenAccept result completes exceptionally after exceptional |
1529 |
|
* completion of source |
1530 |
|
*/ |
1531 |
< |
public void testRunAfterBothAsync2() { |
1532 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1533 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1534 |
< |
Noop r = new Noop(); |
1535 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r); |
1536 |
< |
f.completeExceptionally(new CFException()); |
1537 |
< |
f2.complete(two); |
1538 |
< |
checkCompletedWithWrappedCFException(g); |
1539 |
< |
|
1540 |
< |
r = new Noop(); |
1541 |
< |
f = new CompletableFuture<>(); |
1542 |
< |
f2 = new CompletableFuture<>(); |
1543 |
< |
g = f.runAfterBothAsync(f2, r); |
1544 |
< |
f.complete(one); |
1545 |
< |
f2.completeExceptionally(new CFException()); |
1546 |
< |
checkCompletedWithWrappedCFException(g); |
1547 |
< |
} |
1531 |
> |
public void testThenAccept_exceptionalCompletion() { |
1532 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1533 |
> |
{ |
1534 |
> |
final CFException ex = new CFException(); |
1535 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1536 |
> |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1537 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1538 |
> |
|
1539 |
> |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1540 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1541 |
> |
assertTrue(f.completeExceptionally(ex)); |
1542 |
> |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1543 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1544 |
> |
|
1545 |
> |
checkCompletedWithWrappedException(h0, ex); |
1546 |
> |
checkCompletedWithWrappedException(h1, ex); |
1547 |
> |
checkCompletedWithWrappedException(h2, ex); |
1548 |
> |
checkCompletedWithWrappedException(h3, ex); |
1549 |
> |
checkCompletedExceptionally(f, ex); |
1550 |
> |
for (NoopConsumer r : rs) r.assertNotInvoked(); |
1551 |
> |
}} |
1552 |
|
|
1553 |
|
/** |
1554 |
< |
* runAfterBothAsync result completes exceptionally if action does |
1554 |
> |
* thenAccept result completes exceptionally if source cancelled |
1555 |
|
*/ |
1556 |
< |
public void testRunAfterBothAsync3() { |
1557 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1558 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1559 |
< |
FailingNoop r = new FailingNoop(); |
1560 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r); |
1561 |
< |
f.complete(one); |
1562 |
< |
checkIncomplete(g); |
1563 |
< |
f2.complete(two); |
1564 |
< |
checkCompletedWithWrappedCFException(g); |
1565 |
< |
} |
1556 |
> |
public void testThenAccept_sourceCancelled() { |
1557 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1558 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1559 |
> |
{ |
1560 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1561 |
> |
final NoopConsumer[] rs = new NoopConsumer[4]; |
1562 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
1563 |
> |
|
1564 |
> |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1565 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1566 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
1567 |
> |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1568 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1569 |
> |
|
1570 |
> |
checkCompletedWithWrappedCancellationException(h0); |
1571 |
> |
checkCompletedWithWrappedCancellationException(h1); |
1572 |
> |
checkCompletedWithWrappedCancellationException(h2); |
1573 |
> |
checkCompletedWithWrappedCancellationException(h3); |
1574 |
> |
checkCancelled(f); |
1575 |
> |
for (NoopConsumer r : rs) r.assertNotInvoked(); |
1576 |
> |
}} |
1577 |
|
|
1578 |
|
/** |
1579 |
< |
* runAfterBothAsync result completes exceptionally if either source cancelled |
1579 |
> |
* thenAccept result completes exceptionally if action does |
1580 |
|
*/ |
1581 |
< |
public void testRunAfterBothAsync4() { |
1582 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1583 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1584 |
< |
Noop r = new Noop(); |
1585 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r); |
1586 |
< |
assertTrue(f.cancel(true)); |
1587 |
< |
f2.complete(two); |
1588 |
< |
checkCompletedWithWrappedCancellationException(g); |
1589 |
< |
|
1590 |
< |
r = new Noop(); |
1591 |
< |
f = new CompletableFuture<>(); |
1592 |
< |
f2 = new CompletableFuture<>(); |
1593 |
< |
g = f.runAfterBothAsync(f2, r); |
1594 |
< |
f.complete(one); |
1595 |
< |
assertTrue(f2.cancel(true)); |
1596 |
< |
checkCompletedWithWrappedCancellationException(g); |
1597 |
< |
} |
1581 |
> |
public void testThenAccept_actionFailed() { |
1582 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1583 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1584 |
> |
{ |
1585 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1586 |
> |
final FailingConsumer[] rs = new FailingConsumer[4]; |
1587 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
1588 |
> |
|
1589 |
> |
final CompletableFuture<Void> h0 = m.thenAccept(f, rs[0]); |
1590 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(f, f, rs[1]); |
1591 |
> |
assertTrue(f.complete(v1)); |
1592 |
> |
final CompletableFuture<Void> h2 = m.thenAccept(f, rs[2]); |
1593 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(f, f, rs[3]); |
1594 |
> |
|
1595 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
1596 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
1597 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
1598 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
1599 |
> |
checkCompletedNormally(f, v1); |
1600 |
> |
}} |
1601 |
|
|
1602 |
|
/** |
1603 |
< |
* applyToEitherAsync result completes normally after normal |
1604 |
< |
* completion of sources |
1603 |
> |
* thenCombine result completes normally after normal completion |
1604 |
> |
* of sources |
1605 |
|
*/ |
1606 |
< |
public void testApplyToEitherAsync() { |
1607 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1608 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1609 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc); |
1610 |
< |
f.complete(one); |
1611 |
< |
checkCompletedNormally(g, two); |
1612 |
< |
|
1613 |
< |
f = new CompletableFuture<>(); |
1614 |
< |
f.complete(one); |
1615 |
< |
f2 = new CompletableFuture<>(); |
1616 |
< |
g = f.applyToEitherAsync(f2, inc); |
1617 |
< |
checkCompletedNormally(g, two); |
1618 |
< |
} |
1606 |
> |
public void testThenCombine_normalCompletion() { |
1607 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1608 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1609 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1610 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
1611 |
> |
{ |
1612 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1613 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1614 |
> |
final SubtractFunction[] rs = new SubtractFunction[6]; |
1615 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new SubtractFunction(m); |
1616 |
> |
|
1617 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1618 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1619 |
> |
final Integer w1 = fFirst ? v1 : v2; |
1620 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
1621 |
> |
|
1622 |
> |
final CompletableFuture<Integer> h0 = m.thenCombine(f, g, rs[0]); |
1623 |
> |
final CompletableFuture<Integer> h1 = m.thenCombine(fst, fst, rs[1]); |
1624 |
> |
assertTrue(fst.complete(w1)); |
1625 |
> |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, rs[2]); |
1626 |
> |
final CompletableFuture<Integer> h3 = m.thenCombine(fst, fst, rs[3]); |
1627 |
> |
checkIncomplete(h0); rs[0].assertNotInvoked(); |
1628 |
> |
checkIncomplete(h2); rs[2].assertNotInvoked(); |
1629 |
> |
checkCompletedNormally(h1, subtract(w1, w1)); |
1630 |
> |
checkCompletedNormally(h3, subtract(w1, w1)); |
1631 |
> |
rs[1].assertValue(subtract(w1, w1)); |
1632 |
> |
rs[3].assertValue(subtract(w1, w1)); |
1633 |
> |
assertTrue(snd.complete(w2)); |
1634 |
> |
final CompletableFuture<Integer> h4 = m.thenCombine(f, g, rs[4]); |
1635 |
> |
|
1636 |
> |
checkCompletedNormally(h0, subtract(v1, v2)); |
1637 |
> |
checkCompletedNormally(h2, subtract(v1, v2)); |
1638 |
> |
checkCompletedNormally(h4, subtract(v1, v2)); |
1639 |
> |
rs[0].assertValue(subtract(v1, v2)); |
1640 |
> |
rs[2].assertValue(subtract(v1, v2)); |
1641 |
> |
rs[4].assertValue(subtract(v1, v2)); |
1642 |
> |
|
1643 |
> |
checkCompletedNormally(f, v1); |
1644 |
> |
checkCompletedNormally(g, v2); |
1645 |
> |
}} |
1646 |
|
|
1647 |
|
/** |
1648 |
< |
* applyToEitherAsync result completes exceptionally after exceptional |
1649 |
< |
* completion of source |
1648 |
> |
* thenCombine result completes exceptionally after exceptional |
1649 |
> |
* completion of either source |
1650 |
|
*/ |
1651 |
< |
public void testApplyToEitherAsync2() { |
1652 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1653 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1654 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc); |
1655 |
< |
f.completeExceptionally(new CFException()); |
1656 |
< |
checkCompletedWithWrappedCFException(g); |
1657 |
< |
|
1658 |
< |
f = new CompletableFuture<>(); |
1659 |
< |
f2 = new CompletableFuture<>(); |
1660 |
< |
f2.completeExceptionally(new CFException()); |
1661 |
< |
g = f.applyToEitherAsync(f2, inc); |
1662 |
< |
f.complete(one); |
1663 |
< |
checkCompletedWithWrappedCFException(g); |
1664 |
< |
} |
1651 |
> |
public void testThenCombine_exceptionalCompletion() throws Throwable { |
1652 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1653 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1654 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
1655 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1656 |
> |
{ |
1657 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1658 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1659 |
> |
final CFException ex = new CFException(); |
1660 |
> |
final SubtractFunction r1 = new SubtractFunction(m); |
1661 |
> |
final SubtractFunction r2 = new SubtractFunction(m); |
1662 |
> |
final SubtractFunction r3 = new SubtractFunction(m); |
1663 |
> |
|
1664 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1665 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1666 |
> |
final Callable<Boolean> complete1 = failFirst ? |
1667 |
> |
() -> fst.completeExceptionally(ex) : |
1668 |
> |
() -> fst.complete(v1); |
1669 |
> |
final Callable<Boolean> complete2 = failFirst ? |
1670 |
> |
() -> snd.complete(v1) : |
1671 |
> |
() -> snd.completeExceptionally(ex); |
1672 |
> |
|
1673 |
> |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1674 |
> |
assertTrue(complete1.call()); |
1675 |
> |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1676 |
> |
checkIncomplete(h1); |
1677 |
> |
checkIncomplete(h2); |
1678 |
> |
assertTrue(complete2.call()); |
1679 |
> |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1680 |
> |
|
1681 |
> |
checkCompletedWithWrappedException(h1, ex); |
1682 |
> |
checkCompletedWithWrappedException(h2, ex); |
1683 |
> |
checkCompletedWithWrappedException(h3, ex); |
1684 |
> |
r1.assertNotInvoked(); |
1685 |
> |
r2.assertNotInvoked(); |
1686 |
> |
r3.assertNotInvoked(); |
1687 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1688 |
> |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
1689 |
> |
}} |
1690 |
|
|
1691 |
|
/** |
1692 |
< |
* applyToEitherAsync result completes exceptionally if action does |
1692 |
> |
* thenCombine result completes exceptionally if either source cancelled |
1693 |
|
*/ |
1694 |
< |
public void testApplyToEitherAsync3() { |
1695 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1696 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1697 |
< |
FailingFunction r = new FailingFunction(); |
1698 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r); |
1699 |
< |
f.complete(one); |
1700 |
< |
checkCompletedWithWrappedCFException(g); |
1701 |
< |
} |
1694 |
> |
public void testThenCombine_sourceCancelled() throws Throwable { |
1695 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1696 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1697 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1698 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
1699 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1700 |
> |
{ |
1701 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1702 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1703 |
> |
final SubtractFunction r1 = new SubtractFunction(m); |
1704 |
> |
final SubtractFunction r2 = new SubtractFunction(m); |
1705 |
> |
final SubtractFunction r3 = new SubtractFunction(m); |
1706 |
> |
|
1707 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1708 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1709 |
> |
final Callable<Boolean> complete1 = failFirst ? |
1710 |
> |
() -> fst.cancel(mayInterruptIfRunning) : |
1711 |
> |
() -> fst.complete(v1); |
1712 |
> |
final Callable<Boolean> complete2 = failFirst ? |
1713 |
> |
() -> snd.complete(v1) : |
1714 |
> |
() -> snd.cancel(mayInterruptIfRunning); |
1715 |
> |
|
1716 |
> |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1717 |
> |
assertTrue(complete1.call()); |
1718 |
> |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1719 |
> |
checkIncomplete(h1); |
1720 |
> |
checkIncomplete(h2); |
1721 |
> |
assertTrue(complete2.call()); |
1722 |
> |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1723 |
> |
|
1724 |
> |
checkCompletedWithWrappedCancellationException(h1); |
1725 |
> |
checkCompletedWithWrappedCancellationException(h2); |
1726 |
> |
checkCompletedWithWrappedCancellationException(h3); |
1727 |
> |
r1.assertNotInvoked(); |
1728 |
> |
r2.assertNotInvoked(); |
1729 |
> |
r3.assertNotInvoked(); |
1730 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1731 |
> |
checkCancelled(failFirst ? fst : snd); |
1732 |
> |
}} |
1733 |
|
|
1734 |
|
/** |
1735 |
< |
* applyToEitherAsync result completes exceptionally if either source cancelled |
1735 |
> |
* thenCombine result completes exceptionally if action does |
1736 |
|
*/ |
1737 |
< |
public void testApplyToEitherAsync4() { |
1738 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1739 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1740 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc); |
1741 |
< |
assertTrue(f.cancel(true)); |
1742 |
< |
checkCompletedWithWrappedCancellationException(g); |
1743 |
< |
|
1744 |
< |
f = new CompletableFuture<>(); |
1745 |
< |
f2 = new CompletableFuture<>(); |
1746 |
< |
assertTrue(f2.cancel(true)); |
1747 |
< |
g = f.applyToEitherAsync(f2, inc); |
1748 |
< |
checkCompletedWithWrappedCancellationException(g); |
1749 |
< |
} |
1737 |
> |
public void testThenCombine_actionFailed() { |
1738 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1739 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1740 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1741 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
1742 |
> |
{ |
1743 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1744 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1745 |
> |
final FailingBiFunction r1 = new FailingBiFunction(m); |
1746 |
> |
final FailingBiFunction r2 = new FailingBiFunction(m); |
1747 |
> |
final FailingBiFunction r3 = new FailingBiFunction(m); |
1748 |
> |
|
1749 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1750 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1751 |
> |
final Integer w1 = fFirst ? v1 : v2; |
1752 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
1753 |
> |
|
1754 |
> |
final CompletableFuture<Integer> h1 = m.thenCombine(f, g, r1); |
1755 |
> |
assertTrue(fst.complete(w1)); |
1756 |
> |
final CompletableFuture<Integer> h2 = m.thenCombine(f, g, r2); |
1757 |
> |
assertTrue(snd.complete(w2)); |
1758 |
> |
final CompletableFuture<Integer> h3 = m.thenCombine(f, g, r3); |
1759 |
> |
|
1760 |
> |
checkCompletedWithWrappedException(h1, r1.ex); |
1761 |
> |
checkCompletedWithWrappedException(h2, r2.ex); |
1762 |
> |
checkCompletedWithWrappedException(h3, r3.ex); |
1763 |
> |
r1.assertInvoked(); |
1764 |
> |
r2.assertInvoked(); |
1765 |
> |
r3.assertInvoked(); |
1766 |
> |
checkCompletedNormally(f, v1); |
1767 |
> |
checkCompletedNormally(g, v2); |
1768 |
> |
}} |
1769 |
|
|
1770 |
|
/** |
1771 |
< |
* acceptEitherAsync result completes normally after normal |
1771 |
> |
* thenAcceptBoth result completes normally after normal |
1772 |
|
* completion of sources |
1773 |
|
*/ |
1774 |
< |
public void testAcceptEitherAsync() { |
1775 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1776 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1777 |
< |
IncAction r = new IncAction(); |
1778 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r); |
1779 |
< |
f.complete(one); |
1780 |
< |
checkCompletedNormally(g, null); |
1781 |
< |
assertEquals(r.value, 2); |
1782 |
< |
|
1783 |
< |
r = new IncAction(); |
1784 |
< |
f = new CompletableFuture<>(); |
1785 |
< |
f.complete(one); |
1786 |
< |
f2 = new CompletableFuture<>(); |
1787 |
< |
g = f.acceptEitherAsync(f2, r); |
1788 |
< |
checkCompletedNormally(g, null); |
1789 |
< |
assertEquals(r.value, 2); |
1790 |
< |
} |
1774 |
> |
public void testThenAcceptBoth_normalCompletion() { |
1775 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1776 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1777 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1778 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
1779 |
> |
{ |
1780 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1781 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1782 |
> |
final SubtractAction r1 = new SubtractAction(m); |
1783 |
> |
final SubtractAction r2 = new SubtractAction(m); |
1784 |
> |
final SubtractAction r3 = new SubtractAction(m); |
1785 |
> |
|
1786 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1787 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1788 |
> |
final Integer w1 = fFirst ? v1 : v2; |
1789 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
1790 |
> |
|
1791 |
> |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1792 |
> |
assertTrue(fst.complete(w1)); |
1793 |
> |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1794 |
> |
checkIncomplete(h1); |
1795 |
> |
checkIncomplete(h2); |
1796 |
> |
r1.assertNotInvoked(); |
1797 |
> |
r2.assertNotInvoked(); |
1798 |
> |
assertTrue(snd.complete(w2)); |
1799 |
> |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1800 |
> |
|
1801 |
> |
checkCompletedNormally(h1, null); |
1802 |
> |
checkCompletedNormally(h2, null); |
1803 |
> |
checkCompletedNormally(h3, null); |
1804 |
> |
r1.assertValue(subtract(v1, v2)); |
1805 |
> |
r2.assertValue(subtract(v1, v2)); |
1806 |
> |
r3.assertValue(subtract(v1, v2)); |
1807 |
> |
checkCompletedNormally(f, v1); |
1808 |
> |
checkCompletedNormally(g, v2); |
1809 |
> |
}} |
1810 |
|
|
1811 |
|
/** |
1812 |
< |
* acceptEitherAsync result completes exceptionally after exceptional |
1813 |
< |
* completion of source |
1812 |
> |
* thenAcceptBoth result completes exceptionally after exceptional |
1813 |
> |
* completion of either source |
1814 |
|
*/ |
1815 |
< |
public void testAcceptEitherAsync2() { |
1816 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1817 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1818 |
< |
IncAction r = new IncAction(); |
1819 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r); |
1820 |
< |
f.completeExceptionally(new CFException()); |
1821 |
< |
checkCompletedWithWrappedCFException(g); |
1822 |
< |
|
1823 |
< |
r = new IncAction(); |
1824 |
< |
f = new CompletableFuture<>(); |
1825 |
< |
f2 = new CompletableFuture<>(); |
1826 |
< |
f2.completeExceptionally(new CFException()); |
1827 |
< |
g = f.acceptEitherAsync(f2, r); |
1828 |
< |
f.complete(one); |
1829 |
< |
checkCompletedWithWrappedCFException(g); |
1830 |
< |
} |
1815 |
> |
public void testThenAcceptBoth_exceptionalCompletion() throws Throwable { |
1816 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1817 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1818 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
1819 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1820 |
> |
{ |
1821 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1822 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1823 |
> |
final CFException ex = new CFException(); |
1824 |
> |
final SubtractAction r1 = new SubtractAction(m); |
1825 |
> |
final SubtractAction r2 = new SubtractAction(m); |
1826 |
> |
final SubtractAction r3 = new SubtractAction(m); |
1827 |
> |
|
1828 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1829 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1830 |
> |
final Callable<Boolean> complete1 = failFirst ? |
1831 |
> |
() -> fst.completeExceptionally(ex) : |
1832 |
> |
() -> fst.complete(v1); |
1833 |
> |
final Callable<Boolean> complete2 = failFirst ? |
1834 |
> |
() -> snd.complete(v1) : |
1835 |
> |
() -> snd.completeExceptionally(ex); |
1836 |
> |
|
1837 |
> |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1838 |
> |
assertTrue(complete1.call()); |
1839 |
> |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1840 |
> |
checkIncomplete(h1); |
1841 |
> |
checkIncomplete(h2); |
1842 |
> |
assertTrue(complete2.call()); |
1843 |
> |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1844 |
> |
|
1845 |
> |
checkCompletedWithWrappedException(h1, ex); |
1846 |
> |
checkCompletedWithWrappedException(h2, ex); |
1847 |
> |
checkCompletedWithWrappedException(h3, ex); |
1848 |
> |
r1.assertNotInvoked(); |
1849 |
> |
r2.assertNotInvoked(); |
1850 |
> |
r3.assertNotInvoked(); |
1851 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1852 |
> |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
1853 |
> |
}} |
1854 |
|
|
1855 |
|
/** |
1856 |
< |
* acceptEitherAsync result completes exceptionally if action does |
1856 |
> |
* thenAcceptBoth result completes exceptionally if either source cancelled |
1857 |
|
*/ |
1858 |
< |
public void testAcceptEitherAsync3() { |
1859 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1860 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1861 |
< |
FailingConsumer r = new FailingConsumer(); |
1862 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r); |
1863 |
< |
f.complete(one); |
1864 |
< |
checkCompletedWithWrappedCFException(g); |
1865 |
< |
} |
1858 |
> |
public void testThenAcceptBoth_sourceCancelled() throws Throwable { |
1859 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1860 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
1861 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1862 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
1863 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1864 |
> |
{ |
1865 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1866 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1867 |
> |
final SubtractAction r1 = new SubtractAction(m); |
1868 |
> |
final SubtractAction r2 = new SubtractAction(m); |
1869 |
> |
final SubtractAction r3 = new SubtractAction(m); |
1870 |
> |
|
1871 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1872 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1873 |
> |
final Callable<Boolean> complete1 = failFirst ? |
1874 |
> |
() -> fst.cancel(mayInterruptIfRunning) : |
1875 |
> |
() -> fst.complete(v1); |
1876 |
> |
final Callable<Boolean> complete2 = failFirst ? |
1877 |
> |
() -> snd.complete(v1) : |
1878 |
> |
() -> snd.cancel(mayInterruptIfRunning); |
1879 |
> |
|
1880 |
> |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1881 |
> |
assertTrue(complete1.call()); |
1882 |
> |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1883 |
> |
checkIncomplete(h1); |
1884 |
> |
checkIncomplete(h2); |
1885 |
> |
assertTrue(complete2.call()); |
1886 |
> |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1887 |
> |
|
1888 |
> |
checkCompletedWithWrappedCancellationException(h1); |
1889 |
> |
checkCompletedWithWrappedCancellationException(h2); |
1890 |
> |
checkCompletedWithWrappedCancellationException(h3); |
1891 |
> |
r1.assertNotInvoked(); |
1892 |
> |
r2.assertNotInvoked(); |
1893 |
> |
r3.assertNotInvoked(); |
1894 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
1895 |
> |
checkCancelled(failFirst ? fst : snd); |
1896 |
> |
}} |
1897 |
|
|
1898 |
|
/** |
1899 |
< |
* acceptEitherAsync result completes exceptionally if either |
1916 |
< |
* source cancelled |
1899 |
> |
* thenAcceptBoth result completes exceptionally if action does |
1900 |
|
*/ |
1901 |
< |
public void testAcceptEitherAsync4() { |
1902 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1903 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1904 |
< |
IncAction r = new IncAction(); |
1905 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r); |
1906 |
< |
assertTrue(f.cancel(true)); |
1907 |
< |
checkCompletedWithWrappedCancellationException(g); |
1908 |
< |
|
1909 |
< |
r = new IncAction(); |
1910 |
< |
f = new CompletableFuture<>(); |
1911 |
< |
f2 = new CompletableFuture<>(); |
1912 |
< |
assertTrue(f2.cancel(true)); |
1913 |
< |
g = f.acceptEitherAsync(f2, r); |
1914 |
< |
checkCompletedWithWrappedCancellationException(g); |
1915 |
< |
} |
1901 |
> |
public void testThenAcceptBoth_actionFailed() { |
1902 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1903 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1904 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1905 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
1906 |
> |
{ |
1907 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1908 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1909 |
> |
final FailingBiConsumer r1 = new FailingBiConsumer(m); |
1910 |
> |
final FailingBiConsumer r2 = new FailingBiConsumer(m); |
1911 |
> |
final FailingBiConsumer r3 = new FailingBiConsumer(m); |
1912 |
> |
|
1913 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1914 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1915 |
> |
final Integer w1 = fFirst ? v1 : v2; |
1916 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
1917 |
> |
|
1918 |
> |
final CompletableFuture<Void> h1 = m.thenAcceptBoth(f, g, r1); |
1919 |
> |
assertTrue(fst.complete(w1)); |
1920 |
> |
final CompletableFuture<Void> h2 = m.thenAcceptBoth(f, g, r2); |
1921 |
> |
assertTrue(snd.complete(w2)); |
1922 |
> |
final CompletableFuture<Void> h3 = m.thenAcceptBoth(f, g, r3); |
1923 |
> |
|
1924 |
> |
checkCompletedWithWrappedException(h1, r1.ex); |
1925 |
> |
checkCompletedWithWrappedException(h2, r2.ex); |
1926 |
> |
checkCompletedWithWrappedException(h3, r3.ex); |
1927 |
> |
r1.assertInvoked(); |
1928 |
> |
r2.assertInvoked(); |
1929 |
> |
r3.assertInvoked(); |
1930 |
> |
checkCompletedNormally(f, v1); |
1931 |
> |
checkCompletedNormally(g, v2); |
1932 |
> |
}} |
1933 |
|
|
1934 |
|
/** |
1935 |
< |
* runAfterEitherAsync result completes normally after normal |
1935 |
> |
* runAfterBoth result completes normally after normal |
1936 |
|
* completion of sources |
1937 |
|
*/ |
1938 |
< |
public void testRunAfterEitherAsync() { |
1939 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1940 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1941 |
< |
Noop r = new Noop(); |
1942 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r); |
1943 |
< |
f.complete(one); |
1944 |
< |
checkCompletedNormally(g, null); |
1945 |
< |
assertTrue(r.ran); |
1946 |
< |
|
1947 |
< |
r = new Noop(); |
1948 |
< |
f = new CompletableFuture<>(); |
1949 |
< |
f.complete(one); |
1950 |
< |
f2 = new CompletableFuture<>(); |
1951 |
< |
g = f.runAfterEitherAsync(f2, r); |
1952 |
< |
checkCompletedNormally(g, null); |
1953 |
< |
assertTrue(r.ran); |
1954 |
< |
} |
1955 |
< |
|
1956 |
< |
/** |
1957 |
< |
* runAfterEitherAsync result completes exceptionally after exceptional |
1958 |
< |
* completion of source |
1959 |
< |
*/ |
1960 |
< |
public void testRunAfterEitherAsync2() { |
1961 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1962 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1963 |
< |
Noop r = new Noop(); |
1964 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r); |
1965 |
< |
f.completeExceptionally(new CFException()); |
1966 |
< |
checkCompletedWithWrappedCFException(g); |
1967 |
< |
|
1968 |
< |
r = new Noop(); |
1969 |
< |
f = new CompletableFuture<>(); |
1970 |
< |
f2 = new CompletableFuture<>(); |
1971 |
< |
f2.completeExceptionally(new CFException()); |
1972 |
< |
g = f.runAfterEitherAsync(f2, r); |
1973 |
< |
f.complete(one); |
1974 |
< |
checkCompletedWithWrappedCFException(g); |
1975 |
< |
} |
1976 |
< |
|
1977 |
< |
/** |
1978 |
< |
* runAfterEitherAsync result completes exceptionally if action does |
1979 |
< |
*/ |
1980 |
< |
public void testRunAfterEitherAsync3() { |
1981 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1982 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1983 |
< |
FailingNoop r = new FailingNoop(); |
1984 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r); |
1985 |
< |
f.complete(one); |
1986 |
< |
checkCompletedWithWrappedCFException(g); |
1987 |
< |
} |
1938 |
> |
public void testRunAfterBoth_normalCompletion() { |
1939 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1940 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1941 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1942 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
1943 |
> |
{ |
1944 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1945 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1946 |
> |
final Noop r1 = new Noop(m); |
1947 |
> |
final Noop r2 = new Noop(m); |
1948 |
> |
final Noop r3 = new Noop(m); |
1949 |
> |
|
1950 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1951 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1952 |
> |
final Integer w1 = fFirst ? v1 : v2; |
1953 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
1954 |
> |
|
1955 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
1956 |
> |
assertTrue(fst.complete(w1)); |
1957 |
> |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
1958 |
> |
checkIncomplete(h1); |
1959 |
> |
checkIncomplete(h2); |
1960 |
> |
r1.assertNotInvoked(); |
1961 |
> |
r2.assertNotInvoked(); |
1962 |
> |
assertTrue(snd.complete(w2)); |
1963 |
> |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
1964 |
> |
|
1965 |
> |
checkCompletedNormally(h1, null); |
1966 |
> |
checkCompletedNormally(h2, null); |
1967 |
> |
checkCompletedNormally(h3, null); |
1968 |
> |
r1.assertInvoked(); |
1969 |
> |
r2.assertInvoked(); |
1970 |
> |
r3.assertInvoked(); |
1971 |
> |
checkCompletedNormally(f, v1); |
1972 |
> |
checkCompletedNormally(g, v2); |
1973 |
> |
}} |
1974 |
|
|
1975 |
|
/** |
1976 |
< |
* runAfterEitherAsync result completes exceptionally if either |
1977 |
< |
* source cancelled |
1992 |
< |
*/ |
1993 |
< |
public void testRunAfterEitherAsync4() { |
1994 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
1995 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
1996 |
< |
Noop r = new Noop(); |
1997 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r); |
1998 |
< |
assertTrue(f.cancel(true)); |
1999 |
< |
checkCompletedWithWrappedCancellationException(g); |
2000 |
< |
|
2001 |
< |
r = new Noop(); |
2002 |
< |
f = new CompletableFuture<>(); |
2003 |
< |
f2 = new CompletableFuture<>(); |
2004 |
< |
assertTrue(f2.cancel(true)); |
2005 |
< |
g = f.runAfterEitherAsync(f2, r); |
2006 |
< |
checkCompletedWithWrappedCancellationException(g); |
2007 |
< |
} |
2008 |
< |
|
2009 |
< |
/** |
2010 |
< |
* thenComposeAsync result completes normally after normal |
2011 |
< |
* completion of source |
2012 |
< |
*/ |
2013 |
< |
public void testThenComposeAsync() { |
2014 |
< |
CompletableFuture<Integer> f, g; |
2015 |
< |
CompletableFutureInc r; |
2016 |
< |
|
2017 |
< |
f = new CompletableFuture<>(); |
2018 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
2019 |
< |
f.complete(one); |
2020 |
< |
checkCompletedNormally(g, two); |
2021 |
< |
|
2022 |
< |
f = new CompletableFuture<>(); |
2023 |
< |
f.complete(one); |
2024 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
2025 |
< |
checkCompletedNormally(g, two); |
2026 |
< |
} |
2027 |
< |
|
2028 |
< |
/** |
2029 |
< |
* thenComposeAsync result completes exceptionally after |
2030 |
< |
* exceptional completion of source |
1976 |
> |
* runAfterBoth result completes exceptionally after exceptional |
1977 |
> |
* completion of either source |
1978 |
|
*/ |
1979 |
< |
public void testThenComposeAsync2() { |
1980 |
< |
CompletableFuture<Integer> f, g; |
1981 |
< |
CompletableFutureInc r; |
1982 |
< |
|
1983 |
< |
f = new CompletableFuture<>(); |
1984 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
1985 |
< |
f.completeExceptionally(new CFException()); |
1986 |
< |
checkCompletedWithWrappedCFException(g); |
1987 |
< |
assertFalse(r.ran); |
1988 |
< |
|
1989 |
< |
f = new CompletableFuture<>(); |
1990 |
< |
f.completeExceptionally(new CFException()); |
1991 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
1992 |
< |
checkCompletedWithWrappedCFException(g); |
1993 |
< |
assertFalse(r.ran); |
1994 |
< |
} |
1979 |
> |
public void testRunAfterBoth_exceptionalCompletion() throws Throwable { |
1980 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
1981 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
1982 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
1983 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
1984 |
> |
{ |
1985 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
1986 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
1987 |
> |
final CFException ex = new CFException(); |
1988 |
> |
final Noop r1 = new Noop(m); |
1989 |
> |
final Noop r2 = new Noop(m); |
1990 |
> |
final Noop r3 = new Noop(m); |
1991 |
> |
|
1992 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
1993 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
1994 |
> |
final Callable<Boolean> complete1 = failFirst ? |
1995 |
> |
() -> fst.completeExceptionally(ex) : |
1996 |
> |
() -> fst.complete(v1); |
1997 |
> |
final Callable<Boolean> complete2 = failFirst ? |
1998 |
> |
() -> snd.complete(v1) : |
1999 |
> |
() -> snd.completeExceptionally(ex); |
2000 |
> |
|
2001 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
2002 |
> |
assertTrue(complete1.call()); |
2003 |
> |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2004 |
> |
checkIncomplete(h1); |
2005 |
> |
checkIncomplete(h2); |
2006 |
> |
assertTrue(complete2.call()); |
2007 |
> |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2008 |
> |
|
2009 |
> |
checkCompletedWithWrappedException(h1, ex); |
2010 |
> |
checkCompletedWithWrappedException(h2, ex); |
2011 |
> |
checkCompletedWithWrappedException(h3, ex); |
2012 |
> |
r1.assertNotInvoked(); |
2013 |
> |
r2.assertNotInvoked(); |
2014 |
> |
r3.assertNotInvoked(); |
2015 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
2016 |
> |
checkCompletedExceptionally(failFirst ? fst : snd, ex); |
2017 |
> |
}} |
2018 |
|
|
2019 |
|
/** |
2020 |
< |
* thenComposeAsync result completes exceptionally if action does |
2020 |
> |
* runAfterBoth result completes exceptionally if either source cancelled |
2021 |
|
*/ |
2022 |
< |
public void testThenComposeAsync3() { |
2023 |
< |
CompletableFuture<Integer> f, g; |
2024 |
< |
FailingCompletableFutureFunction r; |
2025 |
< |
|
2026 |
< |
f = new CompletableFuture<>(); |
2027 |
< |
g = f.thenComposeAsync(r = new FailingCompletableFutureFunction()); |
2028 |
< |
f.complete(one); |
2029 |
< |
checkCompletedWithWrappedCFException(g); |
2030 |
< |
|
2031 |
< |
f = new CompletableFuture<>(); |
2032 |
< |
f.complete(one); |
2033 |
< |
g = f.thenComposeAsync(r = new FailingCompletableFutureFunction()); |
2034 |
< |
checkCompletedWithWrappedCFException(g); |
2035 |
< |
} |
2022 |
> |
public void testRunAfterBoth_sourceCancelled() throws Throwable { |
2023 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2024 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2025 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2026 |
> |
for (boolean failFirst : new boolean[] { true, false }) |
2027 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2028 |
> |
{ |
2029 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2030 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2031 |
> |
final Noop r1 = new Noop(m); |
2032 |
> |
final Noop r2 = new Noop(m); |
2033 |
> |
final Noop r3 = new Noop(m); |
2034 |
> |
|
2035 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
2036 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
2037 |
> |
final Callable<Boolean> complete1 = failFirst ? |
2038 |
> |
() -> fst.cancel(mayInterruptIfRunning) : |
2039 |
> |
() -> fst.complete(v1); |
2040 |
> |
final Callable<Boolean> complete2 = failFirst ? |
2041 |
> |
() -> snd.complete(v1) : |
2042 |
> |
() -> snd.cancel(mayInterruptIfRunning); |
2043 |
> |
|
2044 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
2045 |
> |
assertTrue(complete1.call()); |
2046 |
> |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2047 |
> |
checkIncomplete(h1); |
2048 |
> |
checkIncomplete(h2); |
2049 |
> |
assertTrue(complete2.call()); |
2050 |
> |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2051 |
> |
|
2052 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2053 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2054 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2055 |
> |
r1.assertNotInvoked(); |
2056 |
> |
r2.assertNotInvoked(); |
2057 |
> |
r3.assertNotInvoked(); |
2058 |
> |
checkCompletedNormally(failFirst ? snd : fst, v1); |
2059 |
> |
checkCancelled(failFirst ? fst : snd); |
2060 |
> |
}} |
2061 |
|
|
2062 |
|
/** |
2063 |
< |
* thenComposeAsync result completes exceptionally if source cancelled |
2063 |
> |
* runAfterBoth result completes exceptionally if action does |
2064 |
|
*/ |
2065 |
< |
public void testThenComposeAsync4() { |
2066 |
< |
CompletableFuture<Integer> f, g; |
2067 |
< |
CompletableFutureInc r; |
2068 |
< |
|
2069 |
< |
f = new CompletableFuture<>(); |
2070 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
2071 |
< |
assertTrue(f.cancel(true)); |
2072 |
< |
checkCompletedWithWrappedCancellationException(g); |
2073 |
< |
|
2074 |
< |
f = new CompletableFuture<>(); |
2075 |
< |
assertTrue(f.cancel(true)); |
2076 |
< |
g = f.thenComposeAsync(r = new CompletableFutureInc()); |
2077 |
< |
checkCompletedWithWrappedCancellationException(g); |
2078 |
< |
} |
2079 |
< |
|
2080 |
< |
// async with explicit executors |
2065 |
> |
public void testRunAfterBoth_actionFailed() { |
2066 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2067 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2068 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2069 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2070 |
> |
{ |
2071 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2072 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2073 |
> |
final FailingRunnable r1 = new FailingRunnable(m); |
2074 |
> |
final FailingRunnable r2 = new FailingRunnable(m); |
2075 |
> |
final FailingRunnable r3 = new FailingRunnable(m); |
2076 |
> |
|
2077 |
> |
final CompletableFuture<Integer> fst = fFirst ? f : g; |
2078 |
> |
final CompletableFuture<Integer> snd = !fFirst ? f : g; |
2079 |
> |
final Integer w1 = fFirst ? v1 : v2; |
2080 |
> |
final Integer w2 = !fFirst ? v1 : v2; |
2081 |
> |
|
2082 |
> |
final CompletableFuture<Void> h1 = m.runAfterBoth(f, g, r1); |
2083 |
> |
assertTrue(fst.complete(w1)); |
2084 |
> |
final CompletableFuture<Void> h2 = m.runAfterBoth(f, g, r2); |
2085 |
> |
assertTrue(snd.complete(w2)); |
2086 |
> |
final CompletableFuture<Void> h3 = m.runAfterBoth(f, g, r3); |
2087 |
> |
|
2088 |
> |
checkCompletedWithWrappedException(h1, r1.ex); |
2089 |
> |
checkCompletedWithWrappedException(h2, r2.ex); |
2090 |
> |
checkCompletedWithWrappedException(h3, r3.ex); |
2091 |
> |
r1.assertInvoked(); |
2092 |
> |
r2.assertInvoked(); |
2093 |
> |
r3.assertInvoked(); |
2094 |
> |
checkCompletedNormally(f, v1); |
2095 |
> |
checkCompletedNormally(g, v2); |
2096 |
> |
}} |
2097 |
|
|
2098 |
|
/** |
2099 |
< |
* thenRunAsync result completes normally after normal completion of source |
2099 |
> |
* applyToEither result completes normally after normal completion |
2100 |
> |
* of either source |
2101 |
|
*/ |
2102 |
< |
public void testThenRunAsyncE() { |
2103 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2104 |
< |
Noop r = new Noop(); |
2105 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
2106 |
< |
f.complete(null); |
2107 |
< |
checkCompletedNormally(g, null); |
2108 |
< |
|
2109 |
< |
// reordered version |
2110 |
< |
f = new CompletableFuture<>(); |
2111 |
< |
f.complete(null); |
2112 |
< |
r = new Noop(); |
2113 |
< |
g = f.thenRunAsync(r, new ThreadExecutor()); |
2114 |
< |
checkCompletedNormally(g, null); |
2115 |
< |
} |
2102 |
> |
public void testApplyToEither_normalCompletion() { |
2103 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2104 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2105 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2106 |
> |
{ |
2107 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2108 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2109 |
> |
final IncFunction[] rs = new IncFunction[6]; |
2110 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2111 |
> |
|
2112 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2113 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2114 |
> |
checkIncomplete(h0); |
2115 |
> |
checkIncomplete(h1); |
2116 |
> |
rs[0].assertNotInvoked(); |
2117 |
> |
rs[1].assertNotInvoked(); |
2118 |
> |
f.complete(v1); |
2119 |
> |
checkCompletedNormally(h0, inc(v1)); |
2120 |
> |
checkCompletedNormally(h1, inc(v1)); |
2121 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2122 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2123 |
> |
checkCompletedNormally(h2, inc(v1)); |
2124 |
> |
checkCompletedNormally(h3, inc(v1)); |
2125 |
> |
g.complete(v2); |
2126 |
> |
|
2127 |
> |
// unspecified behavior - both source completions available |
2128 |
> |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2129 |
> |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2130 |
> |
rs[4].assertValue(h4.join()); |
2131 |
> |
rs[5].assertValue(h5.join()); |
2132 |
> |
assertTrue(Objects.equals(inc(v1), h4.join()) || |
2133 |
> |
Objects.equals(inc(v2), h4.join())); |
2134 |
> |
assertTrue(Objects.equals(inc(v1), h5.join()) || |
2135 |
> |
Objects.equals(inc(v2), h5.join())); |
2136 |
> |
|
2137 |
> |
checkCompletedNormally(f, v1); |
2138 |
> |
checkCompletedNormally(g, v2); |
2139 |
> |
checkCompletedNormally(h0, inc(v1)); |
2140 |
> |
checkCompletedNormally(h1, inc(v1)); |
2141 |
> |
checkCompletedNormally(h2, inc(v1)); |
2142 |
> |
checkCompletedNormally(h3, inc(v1)); |
2143 |
> |
for (int i = 0; i < 4; i++) rs[i].assertValue(inc(v1)); |
2144 |
> |
}} |
2145 |
|
|
2146 |
|
/** |
2147 |
< |
* thenRunAsync result completes exceptionally after exceptional |
2148 |
< |
* completion of source |
2147 |
> |
* applyToEither result completes exceptionally after exceptional |
2148 |
> |
* completion of either source |
2149 |
|
*/ |
2150 |
< |
public void testThenRunAsync2E() { |
2151 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2152 |
< |
Noop r = new Noop(); |
2153 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
2154 |
< |
f.completeExceptionally(new CFException()); |
2150 |
> |
public void testApplyToEither_exceptionalCompletion() { |
2151 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2152 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2153 |
> |
{ |
2154 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2155 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2156 |
> |
final CFException ex = new CFException(); |
2157 |
> |
final IncFunction[] rs = new IncFunction[6]; |
2158 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2159 |
> |
|
2160 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2161 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2162 |
> |
checkIncomplete(h0); |
2163 |
> |
checkIncomplete(h1); |
2164 |
> |
rs[0].assertNotInvoked(); |
2165 |
> |
rs[1].assertNotInvoked(); |
2166 |
> |
f.completeExceptionally(ex); |
2167 |
> |
checkCompletedWithWrappedException(h0, ex); |
2168 |
> |
checkCompletedWithWrappedException(h1, ex); |
2169 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2170 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2171 |
> |
checkCompletedWithWrappedException(h2, ex); |
2172 |
> |
checkCompletedWithWrappedException(h3, ex); |
2173 |
> |
g.complete(v1); |
2174 |
> |
|
2175 |
> |
// unspecified behavior - both source completions available |
2176 |
> |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2177 |
> |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2178 |
|
try { |
2179 |
< |
g.join(); |
2180 |
< |
shouldThrow(); |
2181 |
< |
} catch (CompletionException success) {} |
2182 |
< |
checkCompletedWithWrappedCFException(g); |
2183 |
< |
} |
2184 |
< |
|
2185 |
< |
/** |
2186 |
< |
* thenRunAsync result completes exceptionally if action does |
2187 |
< |
*/ |
2188 |
< |
public void testThenRunAsync3E() { |
2189 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2190 |
< |
FailingNoop r = new FailingNoop(); |
2191 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
2128 |
< |
f.complete(null); |
2129 |
< |
checkCompletedWithWrappedCFException(g); |
2130 |
< |
} |
2131 |
< |
|
2132 |
< |
/** |
2133 |
< |
* thenRunAsync result completes exceptionally if source cancelled |
2134 |
< |
*/ |
2135 |
< |
public void testThenRunAsync4E() { |
2136 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2137 |
< |
Noop r = new Noop(); |
2138 |
< |
CompletableFuture<Void> g = f.thenRunAsync(r, new ThreadExecutor()); |
2139 |
< |
assertTrue(f.cancel(true)); |
2140 |
< |
checkCompletedWithWrappedCancellationException(g); |
2141 |
< |
} |
2179 |
> |
assertEquals(inc(v1), h4.join()); |
2180 |
> |
rs[4].assertValue(inc(v1)); |
2181 |
> |
} catch (CompletionException ok) { |
2182 |
> |
checkCompletedWithWrappedException(h4, ex); |
2183 |
> |
rs[4].assertNotInvoked(); |
2184 |
> |
} |
2185 |
> |
try { |
2186 |
> |
assertEquals(inc(v1), h5.join()); |
2187 |
> |
rs[5].assertValue(inc(v1)); |
2188 |
> |
} catch (CompletionException ok) { |
2189 |
> |
checkCompletedWithWrappedException(h5, ex); |
2190 |
> |
rs[5].assertNotInvoked(); |
2191 |
> |
} |
2192 |
|
|
2193 |
< |
/** |
2194 |
< |
* thenApplyAsync result completes normally after normal completion of source |
2195 |
< |
*/ |
2196 |
< |
public void testThenApplyAsyncE() { |
2197 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2198 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
2199 |
< |
f.complete(one); |
2200 |
< |
checkCompletedNormally(g, two); |
2201 |
< |
} |
2193 |
> |
checkCompletedExceptionally(f, ex); |
2194 |
> |
checkCompletedNormally(g, v1); |
2195 |
> |
checkCompletedWithWrappedException(h0, ex); |
2196 |
> |
checkCompletedWithWrappedException(h1, ex); |
2197 |
> |
checkCompletedWithWrappedException(h2, ex); |
2198 |
> |
checkCompletedWithWrappedException(h3, ex); |
2199 |
> |
checkCompletedWithWrappedException(h4, ex); |
2200 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2201 |
> |
}} |
2202 |
> |
|
2203 |
> |
public void testApplyToEither_exceptionalCompletion2() { |
2204 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2205 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2206 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2207 |
> |
{ |
2208 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2209 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2210 |
> |
final CFException ex = new CFException(); |
2211 |
> |
final IncFunction[] rs = new IncFunction[6]; |
2212 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2213 |
> |
|
2214 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2215 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2216 |
> |
assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2217 |
> |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2218 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2219 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2220 |
|
|
2221 |
< |
/** |
2222 |
< |
* thenApplyAsync result completes exceptionally after exceptional |
2223 |
< |
* completion of source |
2224 |
< |
*/ |
2225 |
< |
public void testThenApplyAsync2E() { |
2226 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2227 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
2228 |
< |
f.completeExceptionally(new CFException()); |
2229 |
< |
checkCompletedWithWrappedCFException(g); |
2230 |
< |
} |
2221 |
> |
// unspecified behavior - both source completions available |
2222 |
> |
try { |
2223 |
> |
assertEquals(inc(v1), h0.join()); |
2224 |
> |
rs[0].assertValue(inc(v1)); |
2225 |
> |
} catch (CompletionException ok) { |
2226 |
> |
checkCompletedWithWrappedException(h0, ex); |
2227 |
> |
rs[0].assertNotInvoked(); |
2228 |
> |
} |
2229 |
> |
try { |
2230 |
> |
assertEquals(inc(v1), h1.join()); |
2231 |
> |
rs[1].assertValue(inc(v1)); |
2232 |
> |
} catch (CompletionException ok) { |
2233 |
> |
checkCompletedWithWrappedException(h1, ex); |
2234 |
> |
rs[1].assertNotInvoked(); |
2235 |
> |
} |
2236 |
> |
try { |
2237 |
> |
assertEquals(inc(v1), h2.join()); |
2238 |
> |
rs[2].assertValue(inc(v1)); |
2239 |
> |
} catch (CompletionException ok) { |
2240 |
> |
checkCompletedWithWrappedException(h2, ex); |
2241 |
> |
rs[2].assertNotInvoked(); |
2242 |
> |
} |
2243 |
> |
try { |
2244 |
> |
assertEquals(inc(v1), h3.join()); |
2245 |
> |
rs[3].assertValue(inc(v1)); |
2246 |
> |
} catch (CompletionException ok) { |
2247 |
> |
checkCompletedWithWrappedException(h3, ex); |
2248 |
> |
rs[3].assertNotInvoked(); |
2249 |
> |
} |
2250 |
|
|
2251 |
< |
/** |
2252 |
< |
* thenApplyAsync result completes exceptionally if action does |
2253 |
< |
*/ |
2167 |
< |
public void testThenApplyAsync3E() { |
2168 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2169 |
< |
FailingFunction r = new FailingFunction(); |
2170 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(r, new ThreadExecutor()); |
2171 |
< |
f.complete(null); |
2172 |
< |
checkCompletedWithWrappedCFException(g); |
2173 |
< |
} |
2251 |
> |
checkCompletedNormally(f, v1); |
2252 |
> |
checkCompletedExceptionally(g, ex); |
2253 |
> |
}} |
2254 |
|
|
2255 |
|
/** |
2256 |
< |
* thenApplyAsync result completes exceptionally if source cancelled |
2256 |
> |
* applyToEither result completes exceptionally if either source cancelled |
2257 |
|
*/ |
2258 |
< |
public void testThenApplyAsync4E() { |
2259 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2260 |
< |
CompletableFuture<Integer> g = f.thenApplyAsync(inc, new ThreadExecutor()); |
2261 |
< |
assertTrue(f.cancel(true)); |
2262 |
< |
checkCompletedWithWrappedCancellationException(g); |
2263 |
< |
} |
2258 |
> |
public void testApplyToEither_sourceCancelled() { |
2259 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2260 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2261 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2262 |
> |
{ |
2263 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2264 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2265 |
> |
final IncFunction[] rs = new IncFunction[6]; |
2266 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2267 |
> |
|
2268 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2269 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2270 |
> |
checkIncomplete(h0); |
2271 |
> |
checkIncomplete(h1); |
2272 |
> |
rs[0].assertNotInvoked(); |
2273 |
> |
rs[1].assertNotInvoked(); |
2274 |
> |
f.cancel(mayInterruptIfRunning); |
2275 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2276 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2277 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2278 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2279 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2280 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2281 |
> |
g.complete(v1); |
2282 |
> |
|
2283 |
> |
// unspecified behavior - both source completions available |
2284 |
> |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2285 |
> |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2286 |
> |
try { |
2287 |
> |
assertEquals(inc(v1), h4.join()); |
2288 |
> |
rs[4].assertValue(inc(v1)); |
2289 |
> |
} catch (CompletionException ok) { |
2290 |
> |
checkCompletedWithWrappedCancellationException(h4); |
2291 |
> |
rs[4].assertNotInvoked(); |
2292 |
> |
} |
2293 |
> |
try { |
2294 |
> |
assertEquals(inc(v1), h5.join()); |
2295 |
> |
rs[5].assertValue(inc(v1)); |
2296 |
> |
} catch (CompletionException ok) { |
2297 |
> |
checkCompletedWithWrappedCancellationException(h5); |
2298 |
> |
rs[5].assertNotInvoked(); |
2299 |
> |
} |
2300 |
|
|
2301 |
< |
/** |
2302 |
< |
* thenAcceptAsync result completes normally after normal |
2303 |
< |
* completion of source |
2304 |
< |
*/ |
2305 |
< |
public void testThenAcceptAsyncE() { |
2306 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2307 |
< |
IncAction r = new IncAction(); |
2308 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
2309 |
< |
f.complete(one); |
2310 |
< |
checkCompletedNormally(g, null); |
2311 |
< |
assertEquals(r.value, 2); |
2312 |
< |
} |
2301 |
> |
checkCancelled(f); |
2302 |
> |
checkCompletedNormally(g, v1); |
2303 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2304 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2305 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2306 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2307 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2308 |
> |
}} |
2309 |
> |
|
2310 |
> |
public void testApplyToEither_sourceCancelled2() { |
2311 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2312 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2313 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2314 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2315 |
> |
{ |
2316 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2317 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2318 |
> |
final IncFunction[] rs = new IncFunction[6]; |
2319 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new IncFunction(m); |
2320 |
> |
|
2321 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2322 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2323 |
> |
assertTrue(fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); |
2324 |
> |
assertTrue(!fFirst ? f.complete(v1) : g.cancel(mayInterruptIfRunning)); |
2325 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2326 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2327 |
|
|
2328 |
< |
/** |
2329 |
< |
* thenAcceptAsync result completes exceptionally after exceptional |
2330 |
< |
* completion of source |
2331 |
< |
*/ |
2332 |
< |
public void testThenAcceptAsync2E() { |
2333 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2334 |
< |
IncAction r = new IncAction(); |
2335 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
2336 |
< |
f.completeExceptionally(new CFException()); |
2337 |
< |
checkCompletedWithWrappedCFException(g); |
2338 |
< |
} |
2328 |
> |
// unspecified behavior - both source completions available |
2329 |
> |
try { |
2330 |
> |
assertEquals(inc(v1), h0.join()); |
2331 |
> |
rs[0].assertValue(inc(v1)); |
2332 |
> |
} catch (CompletionException ok) { |
2333 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2334 |
> |
rs[0].assertNotInvoked(); |
2335 |
> |
} |
2336 |
> |
try { |
2337 |
> |
assertEquals(inc(v1), h1.join()); |
2338 |
> |
rs[1].assertValue(inc(v1)); |
2339 |
> |
} catch (CompletionException ok) { |
2340 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2341 |
> |
rs[1].assertNotInvoked(); |
2342 |
> |
} |
2343 |
> |
try { |
2344 |
> |
assertEquals(inc(v1), h2.join()); |
2345 |
> |
rs[2].assertValue(inc(v1)); |
2346 |
> |
} catch (CompletionException ok) { |
2347 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2348 |
> |
rs[2].assertNotInvoked(); |
2349 |
> |
} |
2350 |
> |
try { |
2351 |
> |
assertEquals(inc(v1), h3.join()); |
2352 |
> |
rs[3].assertValue(inc(v1)); |
2353 |
> |
} catch (CompletionException ok) { |
2354 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2355 |
> |
rs[3].assertNotInvoked(); |
2356 |
> |
} |
2357 |
|
|
2358 |
< |
/** |
2359 |
< |
* thenAcceptAsync result completes exceptionally if action does |
2360 |
< |
*/ |
2213 |
< |
public void testThenAcceptAsync3E() { |
2214 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2215 |
< |
FailingConsumer r = new FailingConsumer(); |
2216 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
2217 |
< |
f.complete(null); |
2218 |
< |
checkCompletedWithWrappedCFException(g); |
2219 |
< |
} |
2358 |
> |
checkCompletedNormally(f, v1); |
2359 |
> |
checkCancelled(g); |
2360 |
> |
}} |
2361 |
|
|
2362 |
|
/** |
2363 |
< |
* thenAcceptAsync result completes exceptionally if source cancelled |
2363 |
> |
* applyToEither result completes exceptionally if action does |
2364 |
|
*/ |
2365 |
< |
public void testThenAcceptAsync4E() { |
2366 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2367 |
< |
IncAction r = new IncAction(); |
2368 |
< |
CompletableFuture<Void> g = f.thenAcceptAsync(r, new ThreadExecutor()); |
2369 |
< |
assertTrue(f.cancel(true)); |
2370 |
< |
checkCompletedWithWrappedCancellationException(g); |
2371 |
< |
} |
2365 |
> |
public void testApplyToEither_actionFailed() { |
2366 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2367 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2368 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2369 |
> |
{ |
2370 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2371 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2372 |
> |
final FailingFunction[] rs = new FailingFunction[6]; |
2373 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingFunction(m); |
2374 |
> |
|
2375 |
> |
final CompletableFuture<Integer> h0 = m.applyToEither(f, g, rs[0]); |
2376 |
> |
final CompletableFuture<Integer> h1 = m.applyToEither(g, f, rs[1]); |
2377 |
> |
f.complete(v1); |
2378 |
> |
final CompletableFuture<Integer> h2 = m.applyToEither(f, g, rs[2]); |
2379 |
> |
final CompletableFuture<Integer> h3 = m.applyToEither(g, f, rs[3]); |
2380 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
2381 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
2382 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
2383 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
2384 |
> |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2385 |
> |
|
2386 |
> |
g.complete(v2); |
2387 |
> |
|
2388 |
> |
// unspecified behavior - both source completions available |
2389 |
> |
final CompletableFuture<Integer> h4 = m.applyToEither(f, g, rs[4]); |
2390 |
> |
final CompletableFuture<Integer> h5 = m.applyToEither(g, f, rs[5]); |
2391 |
> |
|
2392 |
> |
checkCompletedWithWrappedException(h4, rs[4].ex); |
2393 |
> |
assertTrue(Objects.equals(v1, rs[4].value) || |
2394 |
> |
Objects.equals(v2, rs[4].value)); |
2395 |
> |
checkCompletedWithWrappedException(h5, rs[5].ex); |
2396 |
> |
assertTrue(Objects.equals(v1, rs[5].value) || |
2397 |
> |
Objects.equals(v2, rs[5].value)); |
2398 |
> |
|
2399 |
> |
checkCompletedNormally(f, v1); |
2400 |
> |
checkCompletedNormally(g, v2); |
2401 |
> |
}} |
2402 |
|
|
2403 |
|
/** |
2404 |
< |
* thenCombineAsync result completes normally after normal |
2405 |
< |
* completion of sources |
2404 |
> |
* acceptEither result completes normally after normal completion |
2405 |
> |
* of either source |
2406 |
|
*/ |
2407 |
< |
public void testThenCombineAsyncE() { |
2408 |
< |
CompletableFuture<Integer> f, g, h; |
2409 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2410 |
< |
int count = 0; |
2411 |
< |
|
2412 |
< |
f = new CompletableFuture<>(); |
2413 |
< |
g = new CompletableFuture<>(); |
2414 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2415 |
< |
f.complete(3); |
2416 |
< |
checkIncomplete(h); |
2417 |
< |
g.complete(1); |
2418 |
< |
checkCompletedNormally(h, 2); |
2419 |
< |
assertEquals(++count, e.count.get()); |
2420 |
< |
|
2421 |
< |
f = new CompletableFuture<>(); |
2422 |
< |
g = new CompletableFuture<>(); |
2423 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2424 |
< |
g.complete(1); |
2425 |
< |
checkIncomplete(h); |
2426 |
< |
f.complete(3); |
2427 |
< |
checkCompletedNormally(h, 2); |
2428 |
< |
assertEquals(++count, e.count.get()); |
2429 |
< |
|
2430 |
< |
f = new CompletableFuture<>(); |
2431 |
< |
g = new CompletableFuture<>(); |
2432 |
< |
g.complete(1); |
2433 |
< |
f.complete(3); |
2434 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2435 |
< |
checkCompletedNormally(h, 2); |
2436 |
< |
assertEquals(++count, e.count.get()); |
2437 |
< |
} |
2407 |
> |
public void testAcceptEither_normalCompletion() { |
2408 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2409 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2410 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2411 |
> |
{ |
2412 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2413 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2414 |
> |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2415 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2416 |
> |
|
2417 |
> |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2418 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2419 |
> |
checkIncomplete(h0); |
2420 |
> |
checkIncomplete(h1); |
2421 |
> |
rs[0].assertNotInvoked(); |
2422 |
> |
rs[1].assertNotInvoked(); |
2423 |
> |
f.complete(v1); |
2424 |
> |
checkCompletedNormally(h0, null); |
2425 |
> |
checkCompletedNormally(h1, null); |
2426 |
> |
rs[0].assertValue(v1); |
2427 |
> |
rs[1].assertValue(v1); |
2428 |
> |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2429 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2430 |
> |
checkCompletedNormally(h2, null); |
2431 |
> |
checkCompletedNormally(h3, null); |
2432 |
> |
rs[2].assertValue(v1); |
2433 |
> |
rs[3].assertValue(v1); |
2434 |
> |
g.complete(v2); |
2435 |
> |
|
2436 |
> |
// unspecified behavior - both source completions available |
2437 |
> |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2438 |
> |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2439 |
> |
checkCompletedNormally(h4, null); |
2440 |
> |
checkCompletedNormally(h5, null); |
2441 |
> |
assertTrue(Objects.equals(v1, rs[4].value) || |
2442 |
> |
Objects.equals(v2, rs[4].value)); |
2443 |
> |
assertTrue(Objects.equals(v1, rs[5].value) || |
2444 |
> |
Objects.equals(v2, rs[5].value)); |
2445 |
> |
|
2446 |
> |
checkCompletedNormally(f, v1); |
2447 |
> |
checkCompletedNormally(g, v2); |
2448 |
> |
checkCompletedNormally(h0, null); |
2449 |
> |
checkCompletedNormally(h1, null); |
2450 |
> |
checkCompletedNormally(h2, null); |
2451 |
> |
checkCompletedNormally(h3, null); |
2452 |
> |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2453 |
> |
}} |
2454 |
|
|
2455 |
|
/** |
2456 |
< |
* thenCombineAsync result completes exceptionally after exceptional |
2456 |
> |
* acceptEither result completes exceptionally after exceptional |
2457 |
|
* completion of either source |
2458 |
|
*/ |
2459 |
< |
public void testThenCombineAsync2E() { |
2460 |
< |
CompletableFuture<Integer> f, g, h; |
2461 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2462 |
< |
int count = 0; |
2463 |
< |
|
2464 |
< |
f = new CompletableFuture<>(); |
2465 |
< |
g = new CompletableFuture<>(); |
2466 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2467 |
< |
f.completeExceptionally(new CFException()); |
2468 |
< |
checkIncomplete(h); |
2469 |
< |
g.complete(1); |
2470 |
< |
checkCompletedWithWrappedCFException(h); |
2471 |
< |
|
2472 |
< |
f = new CompletableFuture<>(); |
2473 |
< |
g = new CompletableFuture<>(); |
2474 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2475 |
< |
g.completeExceptionally(new CFException()); |
2476 |
< |
checkIncomplete(h); |
2477 |
< |
f.complete(3); |
2478 |
< |
checkCompletedWithWrappedCFException(h); |
2479 |
< |
|
2480 |
< |
f = new CompletableFuture<>(); |
2481 |
< |
g = new CompletableFuture<>(); |
2482 |
< |
g.completeExceptionally(new CFException()); |
2483 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2484 |
< |
checkIncomplete(h); |
2485 |
< |
f.complete(3); |
2486 |
< |
checkCompletedWithWrappedCFException(h); |
2487 |
< |
|
2488 |
< |
assertEquals(0, e.count.get()); |
2489 |
< |
} |
2490 |
< |
|
2491 |
< |
/** |
2492 |
< |
* thenCombineAsync result completes exceptionally if action does |
2493 |
< |
*/ |
2494 |
< |
public void testThenCombineAsync3E() { |
2495 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2496 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2497 |
< |
FailingBiFunction r = new FailingBiFunction(); |
2498 |
< |
CompletableFuture<Integer> g = f.thenCombineAsync(f2, r, new ThreadExecutor()); |
2499 |
< |
f.complete(one); |
2500 |
< |
checkIncomplete(g); |
2501 |
< |
assertFalse(r.ran); |
2315 |
< |
f2.complete(two); |
2316 |
< |
checkCompletedWithWrappedCFException(g); |
2317 |
< |
assertTrue(r.ran); |
2318 |
< |
} |
2319 |
< |
|
2320 |
< |
/** |
2321 |
< |
* thenCombineAsync result completes exceptionally if either source cancelled |
2322 |
< |
*/ |
2323 |
< |
public void testThenCombineAsync4E() { |
2324 |
< |
CompletableFuture<Integer> f, g, h; |
2325 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2326 |
< |
|
2327 |
< |
f = new CompletableFuture<>(); |
2328 |
< |
g = new CompletableFuture<>(); |
2329 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2330 |
< |
assertTrue(f.cancel(true)); |
2331 |
< |
checkIncomplete(h); |
2332 |
< |
g.complete(1); |
2333 |
< |
checkCompletedWithWrappedCancellationException(h); |
2334 |
< |
|
2335 |
< |
f = new CompletableFuture<>(); |
2336 |
< |
g = new CompletableFuture<>(); |
2337 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2338 |
< |
assertTrue(g.cancel(true)); |
2339 |
< |
checkIncomplete(h); |
2340 |
< |
f.complete(3); |
2341 |
< |
checkCompletedWithWrappedCancellationException(h); |
2342 |
< |
|
2343 |
< |
f = new CompletableFuture<>(); |
2344 |
< |
g = new CompletableFuture<>(); |
2345 |
< |
assertTrue(g.cancel(true)); |
2346 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2347 |
< |
checkIncomplete(h); |
2348 |
< |
f.complete(3); |
2349 |
< |
checkCompletedWithWrappedCancellationException(h); |
2350 |
< |
|
2351 |
< |
f = new CompletableFuture<>(); |
2352 |
< |
g = new CompletableFuture<>(); |
2353 |
< |
assertTrue(f.cancel(true)); |
2354 |
< |
assertTrue(g.cancel(true)); |
2355 |
< |
h = f.thenCombineAsync(g, subtract, e); |
2356 |
< |
checkCompletedWithWrappedCancellationException(h); |
2357 |
< |
|
2358 |
< |
assertEquals(0, e.count.get()); |
2359 |
< |
} |
2360 |
< |
|
2361 |
< |
/** |
2362 |
< |
* thenAcceptBothAsync result completes normally after normal |
2363 |
< |
* completion of sources |
2364 |
< |
*/ |
2365 |
< |
public void testThenAcceptBothAsyncE() { |
2366 |
< |
CompletableFuture<Integer> f, g; |
2367 |
< |
CompletableFuture<Void> h; |
2368 |
< |
SubtractAction r; |
2369 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2370 |
< |
|
2371 |
< |
f = new CompletableFuture<>(); |
2372 |
< |
g = new CompletableFuture<>(); |
2373 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2374 |
< |
f.complete(3); |
2375 |
< |
checkIncomplete(h); |
2376 |
< |
g.complete(1); |
2377 |
< |
checkCompletedNormally(h, null); |
2378 |
< |
assertEquals(r.value, 2); |
2379 |
< |
|
2380 |
< |
f = new CompletableFuture<>(); |
2381 |
< |
g = new CompletableFuture<>(); |
2382 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2383 |
< |
g.complete(1); |
2384 |
< |
checkIncomplete(h); |
2385 |
< |
f.complete(3); |
2386 |
< |
checkCompletedNormally(h, null); |
2387 |
< |
assertEquals(r.value, 2); |
2388 |
< |
|
2389 |
< |
f = new CompletableFuture<>(); |
2390 |
< |
g = new CompletableFuture<>(); |
2391 |
< |
g.complete(1); |
2392 |
< |
f.complete(3); |
2393 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2394 |
< |
checkCompletedNormally(h, null); |
2395 |
< |
assertEquals(r.value, 2); |
2396 |
< |
|
2397 |
< |
assertEquals(3, e.count.get()); |
2398 |
< |
} |
2399 |
< |
|
2400 |
< |
/** |
2401 |
< |
* thenAcceptBothAsync result completes exceptionally after exceptional |
2402 |
< |
* completion of source |
2403 |
< |
*/ |
2404 |
< |
public void testThenAcceptBothAsync2E() { |
2405 |
< |
CompletableFuture<Integer> f, g; |
2406 |
< |
CompletableFuture<Void> h; |
2407 |
< |
SubtractAction r; |
2408 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2409 |
< |
|
2410 |
< |
f = new CompletableFuture<>(); |
2411 |
< |
g = new CompletableFuture<>(); |
2412 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2413 |
< |
f.completeExceptionally(new CFException()); |
2414 |
< |
checkIncomplete(h); |
2415 |
< |
g.complete(1); |
2416 |
< |
checkCompletedWithWrappedCFException(h); |
2417 |
< |
|
2418 |
< |
f = new CompletableFuture<>(); |
2419 |
< |
g = new CompletableFuture<>(); |
2420 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2421 |
< |
g.completeExceptionally(new CFException()); |
2422 |
< |
checkIncomplete(h); |
2423 |
< |
f.complete(3); |
2424 |
< |
checkCompletedWithWrappedCFException(h); |
2425 |
< |
|
2426 |
< |
f = new CompletableFuture<>(); |
2427 |
< |
g = new CompletableFuture<>(); |
2428 |
< |
f.complete(3); |
2429 |
< |
g.completeExceptionally(new CFException()); |
2430 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2431 |
< |
checkCompletedWithWrappedCFException(h); |
2432 |
< |
|
2433 |
< |
f = new CompletableFuture<>(); |
2434 |
< |
g = new CompletableFuture<>(); |
2435 |
< |
f.completeExceptionally(new CFException()); |
2436 |
< |
g.complete(3); |
2437 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2438 |
< |
checkCompletedWithWrappedCFException(h); |
2439 |
< |
|
2440 |
< |
assertEquals(0, e.count.get()); |
2441 |
< |
} |
2442 |
< |
|
2443 |
< |
/** |
2444 |
< |
* thenAcceptBothAsync result completes exceptionally if action does |
2445 |
< |
*/ |
2446 |
< |
public void testThenAcceptBothAsync3E() { |
2447 |
< |
CompletableFuture<Integer> f, g; |
2448 |
< |
CompletableFuture<Void> h; |
2449 |
< |
FailingBiConsumer r; |
2450 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2451 |
< |
|
2452 |
< |
f = new CompletableFuture<>(); |
2453 |
< |
g = new CompletableFuture<>(); |
2454 |
< |
h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e); |
2455 |
< |
f.complete(3); |
2456 |
< |
checkIncomplete(h); |
2457 |
< |
g.complete(1); |
2458 |
< |
checkCompletedWithWrappedCFException(h); |
2459 |
< |
|
2460 |
< |
f = new CompletableFuture<>(); |
2461 |
< |
g = new CompletableFuture<>(); |
2462 |
< |
f.complete(3); |
2463 |
< |
g.complete(1); |
2464 |
< |
h = f.thenAcceptBothAsync(g, r = new FailingBiConsumer(), e); |
2465 |
< |
checkCompletedWithWrappedCFException(h); |
2466 |
< |
|
2467 |
< |
assertEquals(2, e.count.get()); |
2468 |
< |
} |
2469 |
< |
|
2470 |
< |
/** |
2471 |
< |
* thenAcceptBothAsync result completes exceptionally if either source cancelled |
2472 |
< |
*/ |
2473 |
< |
public void testThenAcceptBothAsync4E() { |
2474 |
< |
CompletableFuture<Integer> f, g; |
2475 |
< |
CompletableFuture<Void> h; |
2476 |
< |
SubtractAction r; |
2477 |
< |
ThreadExecutor e = new ThreadExecutor(); |
2478 |
< |
|
2479 |
< |
f = new CompletableFuture<>(); |
2480 |
< |
g = new CompletableFuture<>(); |
2481 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2482 |
< |
assertTrue(f.cancel(true)); |
2483 |
< |
checkIncomplete(h); |
2484 |
< |
g.complete(1); |
2485 |
< |
checkCompletedWithWrappedCancellationException(h); |
2486 |
< |
|
2487 |
< |
f = new CompletableFuture<>(); |
2488 |
< |
g = new CompletableFuture<>(); |
2489 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2490 |
< |
assertTrue(g.cancel(true)); |
2491 |
< |
checkIncomplete(h); |
2492 |
< |
f.complete(3); |
2493 |
< |
checkCompletedWithWrappedCancellationException(h); |
2494 |
< |
|
2495 |
< |
f = new CompletableFuture<>(); |
2496 |
< |
g = new CompletableFuture<>(); |
2497 |
< |
f.complete(3); |
2498 |
< |
assertTrue(g.cancel(true)); |
2499 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2500 |
< |
checkCompletedWithWrappedCancellationException(h); |
2501 |
< |
|
2502 |
< |
f = new CompletableFuture<>(); |
2503 |
< |
g = new CompletableFuture<>(); |
2504 |
< |
assertTrue(f.cancel(true)); |
2505 |
< |
g.complete(3); |
2506 |
< |
h = f.thenAcceptBothAsync(g, r = new SubtractAction(), e); |
2507 |
< |
checkCompletedWithWrappedCancellationException(h); |
2508 |
< |
|
2509 |
< |
assertEquals(0, e.count.get()); |
2510 |
< |
} |
2511 |
< |
|
2512 |
< |
/** |
2513 |
< |
* runAfterBothAsync result completes normally after normal |
2514 |
< |
* completion of sources |
2515 |
< |
*/ |
2516 |
< |
public void testRunAfterBothAsyncE() { |
2517 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2518 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2519 |
< |
Noop r = new Noop(); |
2520 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2521 |
< |
f.complete(one); |
2522 |
< |
checkIncomplete(g); |
2523 |
< |
f2.complete(two); |
2524 |
< |
checkCompletedNormally(g, null); |
2525 |
< |
assertTrue(r.ran); |
2526 |
< |
} |
2527 |
< |
|
2528 |
< |
/** |
2529 |
< |
* runAfterBothAsync result completes exceptionally after exceptional |
2530 |
< |
* completion of source |
2531 |
< |
*/ |
2532 |
< |
public void testRunAfterBothAsync2E() { |
2533 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2534 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2535 |
< |
Noop r = new Noop(); |
2536 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2537 |
< |
f.completeExceptionally(new CFException()); |
2538 |
< |
f2.complete(two); |
2539 |
< |
checkCompletedWithWrappedCFException(g); |
2459 |
> |
public void testAcceptEither_exceptionalCompletion() { |
2460 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2461 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2462 |
> |
{ |
2463 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2464 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2465 |
> |
final CFException ex = new CFException(); |
2466 |
> |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2467 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2468 |
> |
|
2469 |
> |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2470 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2471 |
> |
checkIncomplete(h0); |
2472 |
> |
checkIncomplete(h1); |
2473 |
> |
rs[0].assertNotInvoked(); |
2474 |
> |
rs[1].assertNotInvoked(); |
2475 |
> |
f.completeExceptionally(ex); |
2476 |
> |
checkCompletedWithWrappedException(h0, ex); |
2477 |
> |
checkCompletedWithWrappedException(h1, ex); |
2478 |
> |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2479 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2480 |
> |
checkCompletedWithWrappedException(h2, ex); |
2481 |
> |
checkCompletedWithWrappedException(h3, ex); |
2482 |
> |
|
2483 |
> |
g.complete(v1); |
2484 |
> |
|
2485 |
> |
// unspecified behavior - both source completions available |
2486 |
> |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2487 |
> |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2488 |
> |
try { |
2489 |
> |
assertNull(h4.join()); |
2490 |
> |
rs[4].assertValue(v1); |
2491 |
> |
} catch (CompletionException ok) { |
2492 |
> |
checkCompletedWithWrappedException(h4, ex); |
2493 |
> |
rs[4].assertNotInvoked(); |
2494 |
> |
} |
2495 |
> |
try { |
2496 |
> |
assertNull(h5.join()); |
2497 |
> |
rs[5].assertValue(v1); |
2498 |
> |
} catch (CompletionException ok) { |
2499 |
> |
checkCompletedWithWrappedException(h5, ex); |
2500 |
> |
rs[5].assertNotInvoked(); |
2501 |
> |
} |
2502 |
|
|
2503 |
< |
r = new Noop(); |
2504 |
< |
f = new CompletableFuture<>(); |
2505 |
< |
f2 = new CompletableFuture<>(); |
2506 |
< |
g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2507 |
< |
f.complete(one); |
2508 |
< |
f2.completeExceptionally(new CFException()); |
2509 |
< |
checkCompletedWithWrappedCFException(g); |
2510 |
< |
} |
2503 |
> |
checkCompletedExceptionally(f, ex); |
2504 |
> |
checkCompletedNormally(g, v1); |
2505 |
> |
checkCompletedWithWrappedException(h0, ex); |
2506 |
> |
checkCompletedWithWrappedException(h1, ex); |
2507 |
> |
checkCompletedWithWrappedException(h2, ex); |
2508 |
> |
checkCompletedWithWrappedException(h3, ex); |
2509 |
> |
checkCompletedWithWrappedException(h4, ex); |
2510 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2511 |
> |
}} |
2512 |
> |
|
2513 |
> |
public void testAcceptEither_exceptionalCompletion2() { |
2514 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2515 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2516 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2517 |
> |
{ |
2518 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2519 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2520 |
> |
final CFException ex = new CFException(); |
2521 |
> |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2522 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2523 |
> |
|
2524 |
> |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2525 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2526 |
> |
assertTrue(fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2527 |
> |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2528 |
> |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2529 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2530 |
|
|
2531 |
< |
/** |
2532 |
< |
* runAfterBothAsync result completes exceptionally if action does |
2533 |
< |
*/ |
2534 |
< |
public void testRunAfterBothAsync3E() { |
2535 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2536 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2537 |
< |
FailingNoop r = new FailingNoop(); |
2538 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2539 |
< |
f.complete(one); |
2540 |
< |
checkIncomplete(g); |
2541 |
< |
f2.complete(two); |
2542 |
< |
checkCompletedWithWrappedCFException(g); |
2543 |
< |
} |
2544 |
< |
|
2545 |
< |
/** |
2546 |
< |
* runAfterBothAsync result completes exceptionally if either source cancelled |
2547 |
< |
*/ |
2548 |
< |
public void testRunAfterBothAsync4E() { |
2549 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2550 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2551 |
< |
Noop r = new Noop(); |
2552 |
< |
CompletableFuture<Void> g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2553 |
< |
assertTrue(f.cancel(true)); |
2554 |
< |
f2.complete(two); |
2555 |
< |
checkCompletedWithWrappedCancellationException(g); |
2531 |
> |
// unspecified behavior - both source completions available |
2532 |
> |
try { |
2533 |
> |
assertEquals(null, h0.join()); |
2534 |
> |
rs[0].assertValue(v1); |
2535 |
> |
} catch (CompletionException ok) { |
2536 |
> |
checkCompletedWithWrappedException(h0, ex); |
2537 |
> |
rs[0].assertNotInvoked(); |
2538 |
> |
} |
2539 |
> |
try { |
2540 |
> |
assertEquals(null, h1.join()); |
2541 |
> |
rs[1].assertValue(v1); |
2542 |
> |
} catch (CompletionException ok) { |
2543 |
> |
checkCompletedWithWrappedException(h1, ex); |
2544 |
> |
rs[1].assertNotInvoked(); |
2545 |
> |
} |
2546 |
> |
try { |
2547 |
> |
assertEquals(null, h2.join()); |
2548 |
> |
rs[2].assertValue(v1); |
2549 |
> |
} catch (CompletionException ok) { |
2550 |
> |
checkCompletedWithWrappedException(h2, ex); |
2551 |
> |
rs[2].assertNotInvoked(); |
2552 |
> |
} |
2553 |
> |
try { |
2554 |
> |
assertEquals(null, h3.join()); |
2555 |
> |
rs[3].assertValue(v1); |
2556 |
> |
} catch (CompletionException ok) { |
2557 |
> |
checkCompletedWithWrappedException(h3, ex); |
2558 |
> |
rs[3].assertNotInvoked(); |
2559 |
> |
} |
2560 |
|
|
2561 |
< |
r = new Noop(); |
2562 |
< |
f = new CompletableFuture<>(); |
2563 |
< |
f2 = new CompletableFuture<>(); |
2579 |
< |
g = f.runAfterBothAsync(f2, r, new ThreadExecutor()); |
2580 |
< |
f.complete(one); |
2581 |
< |
assertTrue(f2.cancel(true)); |
2582 |
< |
checkCompletedWithWrappedCancellationException(g); |
2583 |
< |
} |
2561 |
> |
checkCompletedNormally(f, v1); |
2562 |
> |
checkCompletedExceptionally(g, ex); |
2563 |
> |
}} |
2564 |
|
|
2565 |
|
/** |
2566 |
< |
* applyToEitherAsync result completes normally after normal |
2587 |
< |
* completion of sources |
2566 |
> |
* acceptEither result completes exceptionally if either source cancelled |
2567 |
|
*/ |
2568 |
< |
public void testApplyToEitherAsyncE() { |
2569 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2570 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2571 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2572 |
< |
f.complete(one); |
2573 |
< |
checkCompletedNormally(g, two); |
2568 |
> |
public void testAcceptEither_sourceCancelled() { |
2569 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2570 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2571 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2572 |
> |
{ |
2573 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2574 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2575 |
> |
final NoopConsumer[] rs = new NoopConsumer[6]; |
2576 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new NoopConsumer(m); |
2577 |
> |
|
2578 |
> |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2579 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2580 |
> |
checkIncomplete(h0); |
2581 |
> |
checkIncomplete(h1); |
2582 |
> |
rs[0].assertNotInvoked(); |
2583 |
> |
rs[1].assertNotInvoked(); |
2584 |
> |
f.cancel(mayInterruptIfRunning); |
2585 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2586 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2587 |
> |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2588 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2589 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2590 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2591 |
> |
|
2592 |
> |
g.complete(v1); |
2593 |
> |
|
2594 |
> |
// unspecified behavior - both source completions available |
2595 |
> |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2596 |
> |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2597 |
> |
try { |
2598 |
> |
assertNull(h4.join()); |
2599 |
> |
rs[4].assertValue(v1); |
2600 |
> |
} catch (CompletionException ok) { |
2601 |
> |
checkCompletedWithWrappedCancellationException(h4); |
2602 |
> |
rs[4].assertNotInvoked(); |
2603 |
> |
} |
2604 |
> |
try { |
2605 |
> |
assertNull(h5.join()); |
2606 |
> |
rs[5].assertValue(v1); |
2607 |
> |
} catch (CompletionException ok) { |
2608 |
> |
checkCompletedWithWrappedCancellationException(h5); |
2609 |
> |
rs[5].assertNotInvoked(); |
2610 |
> |
} |
2611 |
|
|
2612 |
< |
f = new CompletableFuture<>(); |
2613 |
< |
f.complete(one); |
2614 |
< |
f2 = new CompletableFuture<>(); |
2615 |
< |
g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2616 |
< |
checkCompletedNormally(g, two); |
2617 |
< |
} |
2612 |
> |
checkCancelled(f); |
2613 |
> |
checkCompletedNormally(g, v1); |
2614 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2615 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2616 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2617 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2618 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2619 |
> |
}} |
2620 |
|
|
2621 |
|
/** |
2622 |
< |
* applyToEitherAsync result completes exceptionally after exceptional |
2605 |
< |
* completion of source |
2622 |
> |
* acceptEither result completes exceptionally if action does |
2623 |
|
*/ |
2624 |
< |
public void testApplyToEitherAsync2E() { |
2625 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2626 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2627 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2628 |
< |
f.completeExceptionally(new CFException()); |
2629 |
< |
checkCompletedWithWrappedCFException(g); |
2630 |
< |
|
2631 |
< |
f = new CompletableFuture<>(); |
2632 |
< |
f2 = new CompletableFuture<>(); |
2633 |
< |
f2.completeExceptionally(new CFException()); |
2634 |
< |
g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2635 |
< |
f.complete(one); |
2636 |
< |
checkCompletedWithWrappedCFException(g); |
2637 |
< |
} |
2624 |
> |
public void testAcceptEither_actionFailed() { |
2625 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2626 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2627 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2628 |
> |
{ |
2629 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2630 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2631 |
> |
final FailingConsumer[] rs = new FailingConsumer[6]; |
2632 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingConsumer(m); |
2633 |
> |
|
2634 |
> |
final CompletableFuture<Void> h0 = m.acceptEither(f, g, rs[0]); |
2635 |
> |
final CompletableFuture<Void> h1 = m.acceptEither(g, f, rs[1]); |
2636 |
> |
f.complete(v1); |
2637 |
> |
final CompletableFuture<Void> h2 = m.acceptEither(f, g, rs[2]); |
2638 |
> |
final CompletableFuture<Void> h3 = m.acceptEither(g, f, rs[3]); |
2639 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
2640 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
2641 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
2642 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
2643 |
> |
for (int i = 0; i < 4; i++) rs[i].assertValue(v1); |
2644 |
> |
|
2645 |
> |
g.complete(v2); |
2646 |
> |
|
2647 |
> |
// unspecified behavior - both source completions available |
2648 |
> |
final CompletableFuture<Void> h4 = m.acceptEither(f, g, rs[4]); |
2649 |
> |
final CompletableFuture<Void> h5 = m.acceptEither(g, f, rs[5]); |
2650 |
> |
|
2651 |
> |
checkCompletedWithWrappedException(h4, rs[4].ex); |
2652 |
> |
assertTrue(Objects.equals(v1, rs[4].value) || |
2653 |
> |
Objects.equals(v2, rs[4].value)); |
2654 |
> |
checkCompletedWithWrappedException(h5, rs[5].ex); |
2655 |
> |
assertTrue(Objects.equals(v1, rs[5].value) || |
2656 |
> |
Objects.equals(v2, rs[5].value)); |
2657 |
> |
|
2658 |
> |
checkCompletedNormally(f, v1); |
2659 |
> |
checkCompletedNormally(g, v2); |
2660 |
> |
}} |
2661 |
|
|
2662 |
|
/** |
2663 |
< |
* applyToEitherAsync result completes exceptionally if action does |
2663 |
> |
* runAfterEither result completes normally after normal completion |
2664 |
> |
* of either source |
2665 |
|
*/ |
2666 |
< |
public void testApplyToEitherAsync3E() { |
2667 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2668 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2669 |
< |
FailingFunction r = new FailingFunction(); |
2670 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, r, new ThreadExecutor()); |
2671 |
< |
f.complete(one); |
2672 |
< |
checkCompletedWithWrappedCFException(g); |
2673 |
< |
} |
2666 |
> |
public void testRunAfterEither_normalCompletion() { |
2667 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2668 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2669 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2670 |
> |
{ |
2671 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2672 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2673 |
> |
final Noop[] rs = new Noop[6]; |
2674 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2675 |
> |
|
2676 |
> |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2677 |
> |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2678 |
> |
checkIncomplete(h0); |
2679 |
> |
checkIncomplete(h1); |
2680 |
> |
rs[0].assertNotInvoked(); |
2681 |
> |
rs[1].assertNotInvoked(); |
2682 |
> |
f.complete(v1); |
2683 |
> |
checkCompletedNormally(h0, null); |
2684 |
> |
checkCompletedNormally(h1, null); |
2685 |
> |
rs[0].assertInvoked(); |
2686 |
> |
rs[1].assertInvoked(); |
2687 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2688 |
> |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2689 |
> |
checkCompletedNormally(h2, null); |
2690 |
> |
checkCompletedNormally(h3, null); |
2691 |
> |
rs[2].assertInvoked(); |
2692 |
> |
rs[3].assertInvoked(); |
2693 |
> |
|
2694 |
> |
g.complete(v2); |
2695 |
> |
|
2696 |
> |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2697 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2698 |
> |
|
2699 |
> |
checkCompletedNormally(f, v1); |
2700 |
> |
checkCompletedNormally(g, v2); |
2701 |
> |
checkCompletedNormally(h0, null); |
2702 |
> |
checkCompletedNormally(h1, null); |
2703 |
> |
checkCompletedNormally(h2, null); |
2704 |
> |
checkCompletedNormally(h3, null); |
2705 |
> |
checkCompletedNormally(h4, null); |
2706 |
> |
checkCompletedNormally(h5, null); |
2707 |
> |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2708 |
> |
}} |
2709 |
|
|
2710 |
|
/** |
2711 |
< |
* applyToEitherAsync result completes exceptionally if either source cancelled |
2711 |
> |
* runAfterEither result completes exceptionally after exceptional |
2712 |
> |
* completion of either source |
2713 |
|
*/ |
2714 |
< |
public void testApplyToEitherAsync4E() { |
2715 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2716 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2717 |
< |
CompletableFuture<Integer> g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2718 |
< |
assertTrue(f.cancel(true)); |
2719 |
< |
checkCompletedWithWrappedCancellationException(g); |
2714 |
> |
public void testRunAfterEither_exceptionalCompletion() { |
2715 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2716 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2717 |
> |
{ |
2718 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2719 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2720 |
> |
final CFException ex = new CFException(); |
2721 |
> |
final Noop[] rs = new Noop[6]; |
2722 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2723 |
> |
|
2724 |
> |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2725 |
> |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2726 |
> |
checkIncomplete(h0); |
2727 |
> |
checkIncomplete(h1); |
2728 |
> |
rs[0].assertNotInvoked(); |
2729 |
> |
rs[1].assertNotInvoked(); |
2730 |
> |
assertTrue(f.completeExceptionally(ex)); |
2731 |
> |
checkCompletedWithWrappedException(h0, ex); |
2732 |
> |
checkCompletedWithWrappedException(h1, ex); |
2733 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2734 |
> |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2735 |
> |
checkCompletedWithWrappedException(h2, ex); |
2736 |
> |
checkCompletedWithWrappedException(h3, ex); |
2737 |
> |
|
2738 |
> |
assertTrue(g.complete(v1)); |
2739 |
> |
|
2740 |
> |
// unspecified behavior - both source completions available |
2741 |
> |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2742 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2743 |
> |
try { |
2744 |
> |
assertNull(h4.join()); |
2745 |
> |
rs[4].assertInvoked(); |
2746 |
> |
} catch (CompletionException ok) { |
2747 |
> |
checkCompletedWithWrappedException(h4, ex); |
2748 |
> |
rs[4].assertNotInvoked(); |
2749 |
> |
} |
2750 |
> |
try { |
2751 |
> |
assertNull(h5.join()); |
2752 |
> |
rs[5].assertInvoked(); |
2753 |
> |
} catch (CompletionException ok) { |
2754 |
> |
checkCompletedWithWrappedException(h5, ex); |
2755 |
> |
rs[5].assertNotInvoked(); |
2756 |
> |
} |
2757 |
|
|
2758 |
< |
f = new CompletableFuture<>(); |
2759 |
< |
f2 = new CompletableFuture<>(); |
2760 |
< |
assertTrue(f2.cancel(true)); |
2761 |
< |
g = f.applyToEitherAsync(f2, inc, new ThreadExecutor()); |
2762 |
< |
checkCompletedWithWrappedCancellationException(g); |
2763 |
< |
} |
2758 |
> |
checkCompletedExceptionally(f, ex); |
2759 |
> |
checkCompletedNormally(g, v1); |
2760 |
> |
checkCompletedWithWrappedException(h0, ex); |
2761 |
> |
checkCompletedWithWrappedException(h1, ex); |
2762 |
> |
checkCompletedWithWrappedException(h2, ex); |
2763 |
> |
checkCompletedWithWrappedException(h3, ex); |
2764 |
> |
checkCompletedWithWrappedException(h4, ex); |
2765 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2766 |
> |
}} |
2767 |
> |
|
2768 |
> |
public void testRunAfterEither_exceptionalCompletion2() { |
2769 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2770 |
> |
for (boolean fFirst : new boolean[] { true, false }) |
2771 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2772 |
> |
{ |
2773 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2774 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2775 |
> |
final CFException ex = new CFException(); |
2776 |
> |
final Noop[] rs = new Noop[6]; |
2777 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2778 |
> |
|
2779 |
> |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2780 |
> |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2781 |
> |
assertTrue( fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2782 |
> |
assertTrue(!fFirst ? f.complete(v1) : g.completeExceptionally(ex)); |
2783 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2784 |
> |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2785 |
|
|
2786 |
< |
/** |
2787 |
< |
* acceptEitherAsync result completes normally after normal |
2788 |
< |
* completion of sources |
2789 |
< |
*/ |
2790 |
< |
public void testAcceptEitherAsyncE() { |
2791 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2792 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2793 |
< |
IncAction r = new IncAction(); |
2794 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2795 |
< |
f.complete(one); |
2796 |
< |
checkCompletedNormally(g, null); |
2797 |
< |
assertEquals(r.value, 2); |
2786 |
> |
// unspecified behavior - both source completions available |
2787 |
> |
try { |
2788 |
> |
assertEquals(null, h0.join()); |
2789 |
> |
rs[0].assertInvoked(); |
2790 |
> |
} catch (CompletionException ok) { |
2791 |
> |
checkCompletedWithWrappedException(h0, ex); |
2792 |
> |
rs[0].assertNotInvoked(); |
2793 |
> |
} |
2794 |
> |
try { |
2795 |
> |
assertEquals(null, h1.join()); |
2796 |
> |
rs[1].assertInvoked(); |
2797 |
> |
} catch (CompletionException ok) { |
2798 |
> |
checkCompletedWithWrappedException(h1, ex); |
2799 |
> |
rs[1].assertNotInvoked(); |
2800 |
> |
} |
2801 |
> |
try { |
2802 |
> |
assertEquals(null, h2.join()); |
2803 |
> |
rs[2].assertInvoked(); |
2804 |
> |
} catch (CompletionException ok) { |
2805 |
> |
checkCompletedWithWrappedException(h2, ex); |
2806 |
> |
rs[2].assertNotInvoked(); |
2807 |
> |
} |
2808 |
> |
try { |
2809 |
> |
assertEquals(null, h3.join()); |
2810 |
> |
rs[3].assertInvoked(); |
2811 |
> |
} catch (CompletionException ok) { |
2812 |
> |
checkCompletedWithWrappedException(h3, ex); |
2813 |
> |
rs[3].assertNotInvoked(); |
2814 |
> |
} |
2815 |
|
|
2816 |
< |
r = new IncAction(); |
2817 |
< |
f = new CompletableFuture<>(); |
2818 |
< |
f.complete(one); |
2667 |
< |
f2 = new CompletableFuture<>(); |
2668 |
< |
g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2669 |
< |
checkCompletedNormally(g, null); |
2670 |
< |
assertEquals(r.value, 2); |
2671 |
< |
} |
2816 |
> |
checkCompletedNormally(f, v1); |
2817 |
> |
checkCompletedExceptionally(g, ex); |
2818 |
> |
}} |
2819 |
|
|
2820 |
|
/** |
2821 |
< |
* acceptEitherAsync result completes exceptionally after exceptional |
2675 |
< |
* completion of source |
2821 |
> |
* runAfterEither result completes exceptionally if either source cancelled |
2822 |
|
*/ |
2823 |
< |
public void testAcceptEitherAsync2E() { |
2824 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2825 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2826 |
< |
IncAction r = new IncAction(); |
2827 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2828 |
< |
f.completeExceptionally(new CFException()); |
2829 |
< |
checkCompletedWithWrappedCFException(g); |
2830 |
< |
|
2831 |
< |
r = new IncAction(); |
2832 |
< |
f = new CompletableFuture<>(); |
2833 |
< |
f2 = new CompletableFuture<>(); |
2834 |
< |
f2.completeExceptionally(new CFException()); |
2835 |
< |
g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2836 |
< |
f.complete(one); |
2837 |
< |
checkCompletedWithWrappedCFException(g); |
2838 |
< |
} |
2823 |
> |
public void testRunAfterEither_sourceCancelled() { |
2824 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2825 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2826 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2827 |
> |
{ |
2828 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2829 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2830 |
> |
final Noop[] rs = new Noop[6]; |
2831 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new Noop(m); |
2832 |
> |
|
2833 |
> |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2834 |
> |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2835 |
> |
checkIncomplete(h0); |
2836 |
> |
checkIncomplete(h1); |
2837 |
> |
rs[0].assertNotInvoked(); |
2838 |
> |
rs[1].assertNotInvoked(); |
2839 |
> |
f.cancel(mayInterruptIfRunning); |
2840 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2841 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2842 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2843 |
> |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2844 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2845 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2846 |
> |
|
2847 |
> |
assertTrue(g.complete(v1)); |
2848 |
> |
|
2849 |
> |
// unspecified behavior - both source completions available |
2850 |
> |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2851 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2852 |
> |
try { |
2853 |
> |
assertNull(h4.join()); |
2854 |
> |
rs[4].assertInvoked(); |
2855 |
> |
} catch (CompletionException ok) { |
2856 |
> |
checkCompletedWithWrappedCancellationException(h4); |
2857 |
> |
rs[4].assertNotInvoked(); |
2858 |
> |
} |
2859 |
> |
try { |
2860 |
> |
assertNull(h5.join()); |
2861 |
> |
rs[5].assertInvoked(); |
2862 |
> |
} catch (CompletionException ok) { |
2863 |
> |
checkCompletedWithWrappedCancellationException(h5); |
2864 |
> |
rs[5].assertNotInvoked(); |
2865 |
> |
} |
2866 |
|
|
2867 |
< |
/** |
2868 |
< |
* acceptEitherAsync result completes exceptionally if action does |
2869 |
< |
*/ |
2870 |
< |
public void testAcceptEitherAsync3E() { |
2871 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2872 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2873 |
< |
FailingConsumer r = new FailingConsumer(); |
2874 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2702 |
< |
f.complete(one); |
2703 |
< |
checkCompletedWithWrappedCFException(g); |
2704 |
< |
} |
2867 |
> |
checkCancelled(f); |
2868 |
> |
checkCompletedNormally(g, v1); |
2869 |
> |
checkCompletedWithWrappedCancellationException(h0); |
2870 |
> |
checkCompletedWithWrappedCancellationException(h1); |
2871 |
> |
checkCompletedWithWrappedCancellationException(h2); |
2872 |
> |
checkCompletedWithWrappedCancellationException(h3); |
2873 |
> |
for (int i = 0; i < 4; i++) rs[i].assertNotInvoked(); |
2874 |
> |
}} |
2875 |
|
|
2876 |
|
/** |
2877 |
< |
* acceptEitherAsync result completes exceptionally if either |
2708 |
< |
* source cancelled |
2877 |
> |
* runAfterEither result completes exceptionally if action does |
2878 |
|
*/ |
2879 |
< |
public void testAcceptEitherAsync4E() { |
2880 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2881 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2882 |
< |
IncAction r = new IncAction(); |
2883 |
< |
CompletableFuture<Void> g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2884 |
< |
assertTrue(f.cancel(true)); |
2885 |
< |
checkCompletedWithWrappedCancellationException(g); |
2886 |
< |
|
2887 |
< |
r = new IncAction(); |
2888 |
< |
f = new CompletableFuture<>(); |
2889 |
< |
f2 = new CompletableFuture<>(); |
2890 |
< |
assertTrue(f2.cancel(true)); |
2891 |
< |
g = f.acceptEitherAsync(f2, r, new ThreadExecutor()); |
2892 |
< |
checkCompletedWithWrappedCancellationException(g); |
2893 |
< |
} |
2879 |
> |
public void testRunAfterEither_actionFailed() { |
2880 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2881 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2882 |
> |
for (Integer v2 : new Integer[] { 2, null }) |
2883 |
> |
{ |
2884 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2885 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
2886 |
> |
final FailingRunnable[] rs = new FailingRunnable[6]; |
2887 |
> |
for (int i = 0; i < rs.length; i++) rs[i] = new FailingRunnable(m); |
2888 |
> |
|
2889 |
> |
final CompletableFuture<Void> h0 = m.runAfterEither(f, g, rs[0]); |
2890 |
> |
final CompletableFuture<Void> h1 = m.runAfterEither(g, f, rs[1]); |
2891 |
> |
assertTrue(f.complete(v1)); |
2892 |
> |
final CompletableFuture<Void> h2 = m.runAfterEither(f, g, rs[2]); |
2893 |
> |
final CompletableFuture<Void> h3 = m.runAfterEither(g, f, rs[3]); |
2894 |
> |
checkCompletedWithWrappedException(h0, rs[0].ex); |
2895 |
> |
checkCompletedWithWrappedException(h1, rs[1].ex); |
2896 |
> |
checkCompletedWithWrappedException(h2, rs[2].ex); |
2897 |
> |
checkCompletedWithWrappedException(h3, rs[3].ex); |
2898 |
> |
for (int i = 0; i < 4; i++) rs[i].assertInvoked(); |
2899 |
> |
assertTrue(g.complete(v2)); |
2900 |
> |
final CompletableFuture<Void> h4 = m.runAfterEither(f, g, rs[4]); |
2901 |
> |
final CompletableFuture<Void> h5 = m.runAfterEither(g, f, rs[5]); |
2902 |
> |
checkCompletedWithWrappedException(h4, rs[4].ex); |
2903 |
> |
checkCompletedWithWrappedException(h5, rs[5].ex); |
2904 |
> |
|
2905 |
> |
checkCompletedNormally(f, v1); |
2906 |
> |
checkCompletedNormally(g, v2); |
2907 |
> |
for (int i = 0; i < 6; i++) rs[i].assertInvoked(); |
2908 |
> |
}} |
2909 |
|
|
2910 |
|
/** |
2911 |
< |
* runAfterEitherAsync result completes normally after normal |
2728 |
< |
* completion of sources |
2911 |
> |
* thenCompose result completes normally after normal completion of source |
2912 |
|
*/ |
2913 |
< |
public void testRunAfterEitherAsyncE() { |
2914 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2915 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2916 |
< |
Noop r = new Noop(); |
2917 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2918 |
< |
f.complete(one); |
2919 |
< |
checkCompletedNormally(g, null); |
2920 |
< |
assertTrue(r.ran); |
2921 |
< |
|
2922 |
< |
r = new Noop(); |
2923 |
< |
f = new CompletableFuture<>(); |
2924 |
< |
f.complete(one); |
2925 |
< |
f2 = new CompletableFuture<>(); |
2926 |
< |
g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2927 |
< |
checkCompletedNormally(g, null); |
2745 |
< |
assertTrue(r.ran); |
2746 |
< |
} |
2913 |
> |
public void testThenCompose_normalCompletion() { |
2914 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2915 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
2916 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2917 |
> |
{ |
2918 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2919 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2920 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
2921 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2922 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
2923 |
> |
|
2924 |
> |
checkCompletedNormally(g, inc(v1)); |
2925 |
> |
checkCompletedNormally(f, v1); |
2926 |
> |
r.assertValue(v1); |
2927 |
> |
}} |
2928 |
|
|
2929 |
|
/** |
2930 |
< |
* runAfterEitherAsync result completes exceptionally after exceptional |
2930 |
> |
* thenCompose result completes exceptionally after exceptional |
2931 |
|
* completion of source |
2932 |
|
*/ |
2933 |
< |
public void testRunAfterEitherAsync2E() { |
2934 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2935 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2936 |
< |
Noop r = new Noop(); |
2937 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2938 |
< |
f.completeExceptionally(new CFException()); |
2939 |
< |
checkCompletedWithWrappedCFException(g); |
2940 |
< |
|
2941 |
< |
r = new Noop(); |
2942 |
< |
f = new CompletableFuture<>(); |
2943 |
< |
f2 = new CompletableFuture<>(); |
2944 |
< |
f2.completeExceptionally(new CFException()); |
2945 |
< |
g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2946 |
< |
f.complete(one); |
2947 |
< |
checkCompletedWithWrappedCFException(g); |
2767 |
< |
} |
2933 |
> |
public void testThenCompose_exceptionalCompletion() { |
2934 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2935 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
2936 |
> |
{ |
2937 |
> |
final CFException ex = new CFException(); |
2938 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2939 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2940 |
> |
if (!createIncomplete) f.completeExceptionally(ex); |
2941 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2942 |
> |
if (createIncomplete) f.completeExceptionally(ex); |
2943 |
> |
|
2944 |
> |
checkCompletedWithWrappedException(g, ex); |
2945 |
> |
checkCompletedExceptionally(f, ex); |
2946 |
> |
r.assertNotInvoked(); |
2947 |
> |
}} |
2948 |
|
|
2949 |
|
/** |
2950 |
< |
* runAfterEitherAsync result completes exceptionally if action does |
2950 |
> |
* thenCompose result completes exceptionally if action does |
2951 |
|
*/ |
2952 |
< |
public void testRunAfterEitherAsync3E() { |
2953 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2954 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2955 |
< |
FailingNoop r = new FailingNoop(); |
2956 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2957 |
< |
f.complete(one); |
2958 |
< |
checkCompletedWithWrappedCFException(g); |
2959 |
< |
} |
2952 |
> |
public void testThenCompose_actionFailed() { |
2953 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2954 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
2955 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2956 |
> |
{ |
2957 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2958 |
> |
final FailingCompletableFutureFunction r |
2959 |
> |
= new FailingCompletableFutureFunction(m); |
2960 |
> |
if (!createIncomplete) assertTrue(f.complete(v1)); |
2961 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2962 |
> |
if (createIncomplete) assertTrue(f.complete(v1)); |
2963 |
> |
|
2964 |
> |
checkCompletedWithWrappedException(g, r.ex); |
2965 |
> |
checkCompletedNormally(f, v1); |
2966 |
> |
}} |
2967 |
|
|
2968 |
|
/** |
2969 |
< |
* runAfterEitherAsync result completes exceptionally if either |
2783 |
< |
* source cancelled |
2969 |
> |
* thenCompose result completes exceptionally if source cancelled |
2970 |
|
*/ |
2971 |
< |
public void testRunAfterEitherAsync4E() { |
2972 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2973 |
< |
CompletableFuture<Integer> f2 = new CompletableFuture<>(); |
2974 |
< |
Noop r = new Noop(); |
2975 |
< |
CompletableFuture<Void> g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2976 |
< |
assertTrue(f.cancel(true)); |
2977 |
< |
checkCompletedWithWrappedCancellationException(g); |
2971 |
> |
public void testThenCompose_sourceCancelled() { |
2972 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2973 |
> |
for (boolean createIncomplete : new boolean[] { true, false }) |
2974 |
> |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
2975 |
> |
{ |
2976 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2977 |
> |
final CompletableFutureInc r = new CompletableFutureInc(m); |
2978 |
> |
if (!createIncomplete) assertTrue(f.cancel(mayInterruptIfRunning)); |
2979 |
> |
final CompletableFuture<Integer> g = m.thenCompose(f, r); |
2980 |
> |
if (createIncomplete) { |
2981 |
> |
checkIncomplete(g); |
2982 |
> |
assertTrue(f.cancel(mayInterruptIfRunning)); |
2983 |
> |
} |
2984 |
|
|
2793 |
– |
r = new Noop(); |
2794 |
– |
f = new CompletableFuture<>(); |
2795 |
– |
f2 = new CompletableFuture<>(); |
2796 |
– |
assertTrue(f2.cancel(true)); |
2797 |
– |
g = f.runAfterEitherAsync(f2, r, new ThreadExecutor()); |
2985 |
|
checkCompletedWithWrappedCancellationException(g); |
2986 |
< |
} |
2987 |
< |
|
2801 |
< |
/** |
2802 |
< |
* thenComposeAsync result completes normally after normal |
2803 |
< |
* completion of source |
2804 |
< |
*/ |
2805 |
< |
public void testThenComposeAsyncE() { |
2806 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2807 |
< |
CompletableFutureInc r = new CompletableFutureInc(); |
2808 |
< |
CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor()); |
2809 |
< |
f.complete(one); |
2810 |
< |
checkCompletedNormally(g, two); |
2811 |
< |
} |
2812 |
< |
|
2813 |
< |
/** |
2814 |
< |
* thenComposeAsync result completes exceptionally after |
2815 |
< |
* exceptional completion of source |
2816 |
< |
*/ |
2817 |
< |
public void testThenComposeAsync2E() { |
2818 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2819 |
< |
CompletableFutureInc r = new CompletableFutureInc(); |
2820 |
< |
CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor()); |
2821 |
< |
f.completeExceptionally(new CFException()); |
2822 |
< |
checkCompletedWithWrappedCFException(g); |
2823 |
< |
} |
2986 |
> |
checkCancelled(f); |
2987 |
> |
}} |
2988 |
|
|
2989 |
|
/** |
2990 |
< |
* thenComposeAsync result completes exceptionally if action does |
2990 |
> |
* thenCompose result completes exceptionally if the result of the action does |
2991 |
|
*/ |
2992 |
< |
public void testThenComposeAsync3E() { |
2993 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2994 |
< |
FailingCompletableFutureFunction r = new FailingCompletableFutureFunction(); |
2995 |
< |
CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor()); |
2996 |
< |
f.complete(one); |
2997 |
< |
checkCompletedWithWrappedCFException(g); |
2998 |
< |
} |
2992 |
> |
public void testThenCompose_actionReturnsFailingFuture() { |
2993 |
> |
for (ExecutionMode m : ExecutionMode.values()) |
2994 |
> |
for (int order = 0; order < 6; order++) |
2995 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
2996 |
> |
{ |
2997 |
> |
final CFException ex = new CFException(); |
2998 |
> |
final CompletableFuture<Integer> f = new CompletableFuture<>(); |
2999 |
> |
final CompletableFuture<Integer> g = new CompletableFuture<>(); |
3000 |
> |
final CompletableFuture<Integer> h; |
3001 |
> |
// Test all permutations of orders |
3002 |
> |
switch (order) { |
3003 |
> |
case 0: |
3004 |
> |
assertTrue(f.complete(v1)); |
3005 |
> |
assertTrue(g.completeExceptionally(ex)); |
3006 |
> |
h = m.thenCompose(f, (x -> g)); |
3007 |
> |
break; |
3008 |
> |
case 1: |
3009 |
> |
assertTrue(f.complete(v1)); |
3010 |
> |
h = m.thenCompose(f, (x -> g)); |
3011 |
> |
assertTrue(g.completeExceptionally(ex)); |
3012 |
> |
break; |
3013 |
> |
case 2: |
3014 |
> |
assertTrue(g.completeExceptionally(ex)); |
3015 |
> |
assertTrue(f.complete(v1)); |
3016 |
> |
h = m.thenCompose(f, (x -> g)); |
3017 |
> |
break; |
3018 |
> |
case 3: |
3019 |
> |
assertTrue(g.completeExceptionally(ex)); |
3020 |
> |
h = m.thenCompose(f, (x -> g)); |
3021 |
> |
assertTrue(f.complete(v1)); |
3022 |
> |
break; |
3023 |
> |
case 4: |
3024 |
> |
h = m.thenCompose(f, (x -> g)); |
3025 |
> |
assertTrue(f.complete(v1)); |
3026 |
> |
assertTrue(g.completeExceptionally(ex)); |
3027 |
> |
break; |
3028 |
> |
case 5: |
3029 |
> |
h = m.thenCompose(f, (x -> g)); |
3030 |
> |
assertTrue(f.complete(v1)); |
3031 |
> |
assertTrue(g.completeExceptionally(ex)); |
3032 |
> |
break; |
3033 |
> |
default: throw new AssertionError(); |
3034 |
> |
} |
3035 |
|
|
3036 |
< |
/** |
3037 |
< |
* thenComposeAsync result completes exceptionally if source cancelled |
3038 |
< |
*/ |
3039 |
< |
public void testThenComposeAsync4E() { |
2840 |
< |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
2841 |
< |
CompletableFutureInc r = new CompletableFutureInc(); |
2842 |
< |
CompletableFuture<Integer> g = f.thenComposeAsync(r, new ThreadExecutor()); |
2843 |
< |
assertTrue(f.cancel(true)); |
2844 |
< |
checkCompletedWithWrappedCancellationException(g); |
2845 |
< |
} |
3036 |
> |
checkCompletedExceptionally(g, ex); |
3037 |
> |
checkCompletedWithWrappedException(h, ex); |
3038 |
> |
checkCompletedNormally(f, v1); |
3039 |
> |
}} |
3040 |
|
|
3041 |
|
// other static methods |
3042 |
|
|
3054 |
|
* when all components complete normally |
3055 |
|
*/ |
3056 |
|
public void testAllOf_normal() throws Exception { |
3057 |
< |
for (int k = 1; k < 20; ++k) { |
3058 |
< |
CompletableFuture<Integer>[] fs = (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3059 |
< |
for (int i = 0; i < k; ++i) |
3057 |
> |
for (int k = 1; k < 10; k++) { |
3058 |
> |
CompletableFuture<Integer>[] fs |
3059 |
> |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3060 |
> |
for (int i = 0; i < k; i++) |
3061 |
|
fs[i] = new CompletableFuture<>(); |
3062 |
|
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3063 |
< |
for (int i = 0; i < k; ++i) { |
3063 |
> |
for (int i = 0; i < k; i++) { |
3064 |
|
checkIncomplete(f); |
3065 |
|
checkIncomplete(CompletableFuture.allOf(fs)); |
3066 |
|
fs[i].complete(one); |
3070 |
|
} |
3071 |
|
} |
3072 |
|
|
3073 |
+ |
public void testAllOf_normal_backwards() throws Exception { |
3074 |
+ |
for (int k = 1; k < 10; k++) { |
3075 |
+ |
CompletableFuture<Integer>[] fs |
3076 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3077 |
+ |
for (int i = 0; i < k; i++) |
3078 |
+ |
fs[i] = new CompletableFuture<>(); |
3079 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3080 |
+ |
for (int i = k - 1; i >= 0; i--) { |
3081 |
+ |
checkIncomplete(f); |
3082 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
3083 |
+ |
fs[i].complete(one); |
3084 |
+ |
} |
3085 |
+ |
checkCompletedNormally(f, null); |
3086 |
+ |
checkCompletedNormally(CompletableFuture.allOf(fs), null); |
3087 |
+ |
} |
3088 |
+ |
} |
3089 |
+ |
|
3090 |
+ |
public void testAllOf_exceptional() throws Exception { |
3091 |
+ |
for (int k = 1; k < 10; k++) { |
3092 |
+ |
CompletableFuture<Integer>[] fs |
3093 |
+ |
= (CompletableFuture<Integer>[]) new CompletableFuture[k]; |
3094 |
+ |
CFException ex = new CFException(); |
3095 |
+ |
for (int i = 0; i < k; i++) |
3096 |
+ |
fs[i] = new CompletableFuture<>(); |
3097 |
+ |
CompletableFuture<Void> f = CompletableFuture.allOf(fs); |
3098 |
+ |
for (int i = 0; i < k; i++) { |
3099 |
+ |
checkIncomplete(f); |
3100 |
+ |
checkIncomplete(CompletableFuture.allOf(fs)); |
3101 |
+ |
if (i != k / 2) { |
3102 |
+ |
fs[i].complete(i); |
3103 |
+ |
checkCompletedNormally(fs[i], i); |
3104 |
+ |
} else { |
3105 |
+ |
fs[i].completeExceptionally(ex); |
3106 |
+ |
checkCompletedExceptionally(fs[i], ex); |
3107 |
+ |
} |
3108 |
+ |
} |
3109 |
+ |
checkCompletedWithWrappedException(f, ex); |
3110 |
+ |
checkCompletedWithWrappedException(CompletableFuture.allOf(fs), ex); |
3111 |
+ |
} |
3112 |
+ |
} |
3113 |
+ |
|
3114 |
|
/** |
3115 |
|
* anyOf(no component futures) returns an incomplete future |
3116 |
|
*/ |
3117 |
|
public void testAnyOf_empty() throws Exception { |
3118 |
+ |
for (Integer v1 : new Integer[] { 1, null }) |
3119 |
+ |
{ |
3120 |
|
CompletableFuture<Object> f = CompletableFuture.anyOf(); |
3121 |
|
checkIncomplete(f); |
3122 |
< |
} |
3122 |
> |
|
3123 |
> |
f.complete(v1); |
3124 |
> |
checkCompletedNormally(f, v1); |
3125 |
> |
}} |
3126 |
|
|
3127 |
|
/** |
3128 |
|
* anyOf returns a future completed normally with a value when |
3129 |
|
* a component future does |
3130 |
|
*/ |
3131 |
|
public void testAnyOf_normal() throws Exception { |
3132 |
< |
for (int k = 0; k < 10; ++k) { |
3132 |
> |
for (int k = 0; k < 10; k++) { |
3133 |
|
CompletableFuture[] fs = new CompletableFuture[k]; |
3134 |
< |
for (int i = 0; i < k; ++i) |
3134 |
> |
for (int i = 0; i < k; i++) |
3135 |
|
fs[i] = new CompletableFuture<>(); |
3136 |
|
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3137 |
|
checkIncomplete(f); |
3138 |
< |
for (int i = 0; i < k; ++i) { |
3139 |
< |
fs[i].complete(one); |
3140 |
< |
checkCompletedNormally(f, one); |
3141 |
< |
checkCompletedNormally(CompletableFuture.anyOf(fs), one); |
3138 |
> |
for (int i = 0; i < k; i++) { |
3139 |
> |
fs[i].complete(i); |
3140 |
> |
checkCompletedNormally(f, 0); |
3141 |
> |
int x = (int) CompletableFuture.anyOf(fs).join(); |
3142 |
> |
assertTrue(0 <= x && x <= i); |
3143 |
> |
} |
3144 |
> |
} |
3145 |
> |
} |
3146 |
> |
public void testAnyOf_normal_backwards() throws Exception { |
3147 |
> |
for (int k = 0; k < 10; k++) { |
3148 |
> |
CompletableFuture[] fs = new CompletableFuture[k]; |
3149 |
> |
for (int i = 0; i < k; i++) |
3150 |
> |
fs[i] = new CompletableFuture<>(); |
3151 |
> |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3152 |
> |
checkIncomplete(f); |
3153 |
> |
for (int i = k - 1; i >= 0; i--) { |
3154 |
> |
fs[i].complete(i); |
3155 |
> |
checkCompletedNormally(f, k - 1); |
3156 |
> |
int x = (int) CompletableFuture.anyOf(fs).join(); |
3157 |
> |
assertTrue(i <= x && x <= k - 1); |
3158 |
|
} |
3159 |
|
} |
3160 |
|
} |
3163 |
|
* anyOf result completes exceptionally when any component does. |
3164 |
|
*/ |
3165 |
|
public void testAnyOf_exceptional() throws Exception { |
3166 |
< |
for (int k = 0; k < 10; ++k) { |
3166 |
> |
for (int k = 0; k < 10; k++) { |
3167 |
> |
CompletableFuture[] fs = new CompletableFuture[k]; |
3168 |
> |
CFException[] exs = new CFException[k]; |
3169 |
> |
for (int i = 0; i < k; i++) { |
3170 |
> |
fs[i] = new CompletableFuture<>(); |
3171 |
> |
exs[i] = new CFException(); |
3172 |
> |
} |
3173 |
> |
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3174 |
> |
checkIncomplete(f); |
3175 |
> |
for (int i = 0; i < k; i++) { |
3176 |
> |
fs[i].completeExceptionally(exs[i]); |
3177 |
> |
checkCompletedWithWrappedException(f, exs[0]); |
3178 |
> |
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
3179 |
> |
} |
3180 |
> |
} |
3181 |
> |
} |
3182 |
> |
|
3183 |
> |
public void testAnyOf_exceptional_backwards() throws Exception { |
3184 |
> |
for (int k = 0; k < 10; k++) { |
3185 |
|
CompletableFuture[] fs = new CompletableFuture[k]; |
3186 |
< |
for (int i = 0; i < k; ++i) |
3186 |
> |
CFException[] exs = new CFException[k]; |
3187 |
> |
for (int i = 0; i < k; i++) { |
3188 |
|
fs[i] = new CompletableFuture<>(); |
3189 |
+ |
exs[i] = new CFException(); |
3190 |
+ |
} |
3191 |
|
CompletableFuture<Object> f = CompletableFuture.anyOf(fs); |
3192 |
|
checkIncomplete(f); |
3193 |
< |
for (int i = 0; i < k; ++i) { |
3194 |
< |
fs[i].completeExceptionally(new CFException()); |
3195 |
< |
checkCompletedWithWrappedCFException(f); |
3193 |
> |
for (int i = k - 1; i >= 0; i--) { |
3194 |
> |
fs[i].completeExceptionally(exs[i]); |
3195 |
> |
checkCompletedWithWrappedException(f, exs[k - 1]); |
3196 |
|
checkCompletedWithWrappedCFException(CompletableFuture.anyOf(fs)); |
3197 |
|
} |
3198 |
|
} |
3205 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3206 |
|
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3207 |
|
CompletableFuture<Integer> nullFuture = (CompletableFuture<Integer>)null; |
2930 |
– |
CompletableFuture<?> h; |
3208 |
|
ThreadExecutor exec = new ThreadExecutor(); |
3209 |
|
|
3210 |
|
Runnable[] throwingActions = { |
3211 |
|
() -> CompletableFuture.supplyAsync(null), |
3212 |
|
() -> CompletableFuture.supplyAsync(null, exec), |
3213 |
< |
() -> CompletableFuture.supplyAsync(supplyOne, null), |
3213 |
> |
() -> CompletableFuture.supplyAsync(new IntegerSupplier(ExecutionMode.SYNC, 42), null), |
3214 |
|
|
3215 |
|
() -> CompletableFuture.runAsync(null), |
3216 |
|
() -> CompletableFuture.runAsync(null, exec), |
3283 |
|
|
3284 |
|
() -> f.thenCompose(null), |
3285 |
|
() -> f.thenComposeAsync(null), |
3286 |
< |
() -> f.thenComposeAsync(new CompletableFutureInc(), null), |
3286 |
> |
() -> f.thenComposeAsync(new CompletableFutureInc(ExecutionMode.EXECUTOR), null), |
3287 |
|
() -> f.thenComposeAsync(null, exec), |
3288 |
|
|
3289 |
|
() -> f.exceptionally(null), |
3301 |
|
() -> CompletableFuture.anyOf(null, f), |
3302 |
|
|
3303 |
|
() -> f.obtrudeException(null), |
3304 |
+ |
|
3305 |
+ |
() -> CompletableFuture.delayedExecutor(1L, SECONDS, null), |
3306 |
+ |
() -> CompletableFuture.delayedExecutor(1L, null, exec), |
3307 |
+ |
() -> CompletableFuture.delayedExecutor(1L, null), |
3308 |
+ |
|
3309 |
+ |
() -> f.orTimeout(1L, null), |
3310 |
+ |
() -> f.completeOnTimeout(42, 1L, null), |
3311 |
+ |
|
3312 |
+ |
() -> CompletableFuture.failedFuture(null), |
3313 |
+ |
() -> CompletableFuture.failedStage(null), |
3314 |
|
}; |
3315 |
|
|
3316 |
|
assertThrows(NullPointerException.class, throwingActions); |
3318 |
|
} |
3319 |
|
|
3320 |
|
/** |
3321 |
+ |
* Test submissions to an executor that rejects all tasks. |
3322 |
+ |
*/ |
3323 |
+ |
public void testRejectingExecutor() { |
3324 |
+ |
final RejectedExecutionException ex = new RejectedExecutionException(); |
3325 |
+ |
final Executor e = (Runnable r) -> { throw ex; }; |
3326 |
+ |
|
3327 |
+ |
for (Integer v : new Integer[] { 1, null }) { |
3328 |
+ |
|
3329 |
+ |
final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v); |
3330 |
+ |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
3331 |
+ |
|
3332 |
+ |
List<CompletableFuture<?>> futures = new ArrayList<>(); |
3333 |
+ |
|
3334 |
+ |
List<CompletableFuture<Integer>> srcs = new ArrayList<>(); |
3335 |
+ |
srcs.add(complete); |
3336 |
+ |
srcs.add(incomplete); |
3337 |
+ |
|
3338 |
+ |
for (CompletableFuture<Integer> src : srcs) { |
3339 |
+ |
List<CompletableFuture<?>> fs = new ArrayList<>(); |
3340 |
+ |
fs.add(src.thenRunAsync(() -> {}, e)); |
3341 |
+ |
fs.add(src.thenAcceptAsync((z) -> {}, e)); |
3342 |
+ |
fs.add(src.thenApplyAsync((z) -> z, e)); |
3343 |
+ |
|
3344 |
+ |
fs.add(src.thenCombineAsync(src, (x, y) -> x, e)); |
3345 |
+ |
fs.add(src.thenAcceptBothAsync(src, (x, y) -> {}, e)); |
3346 |
+ |
fs.add(src.runAfterBothAsync(src, () -> {}, e)); |
3347 |
+ |
|
3348 |
+ |
fs.add(src.applyToEitherAsync(src, (z) -> z, e)); |
3349 |
+ |
fs.add(src.acceptEitherAsync(src, (z) -> {}, e)); |
3350 |
+ |
fs.add(src.runAfterEitherAsync(src, () -> {}, e)); |
3351 |
+ |
|
3352 |
+ |
fs.add(src.thenComposeAsync((z) -> null, e)); |
3353 |
+ |
fs.add(src.whenCompleteAsync((z, t) -> {}, e)); |
3354 |
+ |
fs.add(src.handleAsync((z, t) -> null, e)); |
3355 |
+ |
|
3356 |
+ |
for (CompletableFuture<?> future : fs) { |
3357 |
+ |
if (src.isDone()) |
3358 |
+ |
checkCompletedWithWrappedException(future, ex); |
3359 |
+ |
else |
3360 |
+ |
checkIncomplete(future); |
3361 |
+ |
} |
3362 |
+ |
futures.addAll(fs); |
3363 |
+ |
} |
3364 |
+ |
|
3365 |
+ |
{ |
3366 |
+ |
List<CompletableFuture<?>> fs = new ArrayList<>(); |
3367 |
+ |
|
3368 |
+ |
fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e)); |
3369 |
+ |
fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e)); |
3370 |
+ |
|
3371 |
+ |
fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e)); |
3372 |
+ |
fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e)); |
3373 |
+ |
|
3374 |
+ |
fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e)); |
3375 |
+ |
fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e)); |
3376 |
+ |
|
3377 |
+ |
for (CompletableFuture<?> future : fs) |
3378 |
+ |
checkIncomplete(future); |
3379 |
+ |
futures.addAll(fs); |
3380 |
+ |
} |
3381 |
+ |
|
3382 |
+ |
{ |
3383 |
+ |
List<CompletableFuture<?>> fs = new ArrayList<>(); |
3384 |
+ |
|
3385 |
+ |
fs.add(complete.applyToEitherAsync(incomplete, (z) -> z, e)); |
3386 |
+ |
fs.add(incomplete.applyToEitherAsync(complete, (z) -> z, e)); |
3387 |
+ |
|
3388 |
+ |
fs.add(complete.acceptEitherAsync(incomplete, (z) -> {}, e)); |
3389 |
+ |
fs.add(incomplete.acceptEitherAsync(complete, (z) -> {}, e)); |
3390 |
+ |
|
3391 |
+ |
fs.add(complete.runAfterEitherAsync(incomplete, () -> {}, e)); |
3392 |
+ |
fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e)); |
3393 |
+ |
|
3394 |
+ |
for (CompletableFuture<?> future : fs) |
3395 |
+ |
checkCompletedWithWrappedException(future, ex); |
3396 |
+ |
futures.addAll(fs); |
3397 |
+ |
} |
3398 |
+ |
|
3399 |
+ |
incomplete.complete(v); |
3400 |
+ |
|
3401 |
+ |
for (CompletableFuture<?> future : futures) |
3402 |
+ |
checkCompletedWithWrappedException(future, ex); |
3403 |
+ |
} |
3404 |
+ |
} |
3405 |
+ |
|
3406 |
+ |
/** |
3407 |
+ |
* Test submissions to an executor that rejects all tasks, but |
3408 |
+ |
* should never be invoked because the dependent future is |
3409 |
+ |
* explicitly completed. |
3410 |
+ |
*/ |
3411 |
+ |
public void testRejectingExecutorNeverInvoked() { |
3412 |
+ |
final RejectedExecutionException ex = new RejectedExecutionException(); |
3413 |
+ |
class CountingRejectingExecutor implements Executor { |
3414 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
3415 |
+ |
public void execute(Runnable r) { |
3416 |
+ |
count.getAndIncrement(); |
3417 |
+ |
throw ex; |
3418 |
+ |
} |
3419 |
+ |
} |
3420 |
+ |
final CountingRejectingExecutor e = new CountingRejectingExecutor(); |
3421 |
+ |
|
3422 |
+ |
for (Integer v : new Integer[] { 1, null }) { |
3423 |
+ |
|
3424 |
+ |
final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v); |
3425 |
+ |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
3426 |
+ |
|
3427 |
+ |
List<CompletableFuture<?>> futures = new ArrayList<>(); |
3428 |
+ |
|
3429 |
+ |
List<CompletableFuture<Integer>> srcs = new ArrayList<>(); |
3430 |
+ |
srcs.add(complete); |
3431 |
+ |
srcs.add(incomplete); |
3432 |
+ |
|
3433 |
+ |
List<CompletableFuture<?>> fs = new ArrayList<>(); |
3434 |
+ |
fs.add(incomplete.thenRunAsync(() -> {}, e)); |
3435 |
+ |
fs.add(incomplete.thenAcceptAsync((z) -> {}, e)); |
3436 |
+ |
fs.add(incomplete.thenApplyAsync((z) -> z, e)); |
3437 |
+ |
|
3438 |
+ |
fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e)); |
3439 |
+ |
fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e)); |
3440 |
+ |
fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e)); |
3441 |
+ |
|
3442 |
+ |
fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e)); |
3443 |
+ |
fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e)); |
3444 |
+ |
fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e)); |
3445 |
+ |
|
3446 |
+ |
fs.add(incomplete.thenComposeAsync((z) -> null, e)); |
3447 |
+ |
fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e)); |
3448 |
+ |
fs.add(incomplete.handleAsync((z, t) -> null, e)); |
3449 |
+ |
|
3450 |
+ |
fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e)); |
3451 |
+ |
fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e)); |
3452 |
+ |
|
3453 |
+ |
fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e)); |
3454 |
+ |
fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e)); |
3455 |
+ |
|
3456 |
+ |
fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e)); |
3457 |
+ |
fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e)); |
3458 |
+ |
|
3459 |
+ |
for (CompletableFuture<?> future : fs) |
3460 |
+ |
checkIncomplete(future); |
3461 |
+ |
|
3462 |
+ |
for (CompletableFuture<?> future : fs) |
3463 |
+ |
future.complete(null); |
3464 |
+ |
|
3465 |
+ |
incomplete.complete(v); |
3466 |
+ |
|
3467 |
+ |
for (CompletableFuture<?> future : fs) |
3468 |
+ |
checkCompletedNormally(future, null); |
3469 |
+ |
|
3470 |
+ |
assertEquals(0, e.count.get()); |
3471 |
+ |
|
3472 |
+ |
} |
3473 |
+ |
} |
3474 |
+ |
|
3475 |
+ |
/** |
3476 |
|
* toCompletableFuture returns this CompletableFuture. |
3477 |
|
*/ |
3478 |
|
public void testToCompletableFuture() { |
3480 |
|
assertSame(f, f.toCompletableFuture()); |
3481 |
|
} |
3482 |
|
|
3483 |
+ |
// jdk9 |
3484 |
+ |
|
3485 |
|
/** |
3486 |
< |
* whenComplete action executes on normal completion, propagating |
3043 |
< |
* source result. |
3486 |
> |
* newIncompleteFuture returns an incomplete CompletableFuture |
3487 |
|
*/ |
3488 |
< |
public void testWhenComplete1() { |
3489 |
< |
final AtomicInteger a = new AtomicInteger(); |
3488 |
> |
public void testNewIncompleteFuture() { |
3489 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
3490 |
> |
{ |
3491 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3492 |
< |
CompletableFuture<Integer> g = |
3493 |
< |
f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement()); |
3494 |
< |
f.complete(three); |
3495 |
< |
checkCompletedNormally(f, three); |
3496 |
< |
checkCompletedNormally(g, three); |
3497 |
< |
assertEquals(a.get(), 1); |
3492 |
> |
CompletableFuture<Integer> g = f.newIncompleteFuture(); |
3493 |
> |
checkIncomplete(f); |
3494 |
> |
checkIncomplete(g); |
3495 |
> |
f.complete(v1); |
3496 |
> |
checkCompletedNormally(f, v1); |
3497 |
> |
checkIncomplete(g); |
3498 |
> |
g.complete(v1); |
3499 |
> |
checkCompletedNormally(g, v1); |
3500 |
> |
assertSame(g.getClass(), CompletableFuture.class); |
3501 |
> |
}} |
3502 |
> |
|
3503 |
> |
/** |
3504 |
> |
* completedStage returns a completed CompletionStage |
3505 |
> |
*/ |
3506 |
> |
public void testCompletedStage() { |
3507 |
> |
AtomicInteger x = new AtomicInteger(0); |
3508 |
> |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3509 |
> |
CompletionStage<Integer> f = CompletableFuture.completedStage(1); |
3510 |
> |
f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3511 |
> |
assertEquals(x.get(), 1); |
3512 |
> |
assertNull(r.get()); |
3513 |
|
} |
3514 |
|
|
3515 |
|
/** |
3516 |
< |
* whenComplete action executes on exceptional completion, propagating |
3517 |
< |
* source result. |
3516 |
> |
* defaultExecutor by default returns the commonPool if |
3517 |
> |
* it supports more than one thread. |
3518 |
|
*/ |
3519 |
< |
public void testWhenComplete2() { |
3061 |
< |
final AtomicInteger a = new AtomicInteger(); |
3519 |
> |
public void testDefaultExecutor() { |
3520 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3521 |
< |
CompletableFuture<Integer> g = |
3522 |
< |
f.whenComplete((Integer x, Throwable t) -> a.getAndIncrement()); |
3523 |
< |
f.completeExceptionally(new CFException()); |
3524 |
< |
assertTrue(f.isCompletedExceptionally()); |
3525 |
< |
assertTrue(g.isCompletedExceptionally()); |
3526 |
< |
assertEquals(a.get(), 1); |
3521 |
> |
Executor e = f.defaultExecutor(); |
3522 |
> |
Executor c = ForkJoinPool.commonPool(); |
3523 |
> |
if (ForkJoinPool.getCommonPoolParallelism() > 1) |
3524 |
> |
assertSame(e, c); |
3525 |
> |
else |
3526 |
> |
assertNotSame(e, c); |
3527 |
|
} |
3528 |
|
|
3529 |
|
/** |
3530 |
< |
* If a whenComplete action throws an exception when triggered by |
3531 |
< |
* a normal completion, it completes exceptionally |
3530 |
> |
* failedFuture returns a CompletableFuture completed |
3531 |
> |
* exceptionally with the given Exception |
3532 |
> |
*/ |
3533 |
> |
public void testFailedFuture() { |
3534 |
> |
CFException ex = new CFException(); |
3535 |
> |
CompletableFuture<Integer> f = CompletableFuture.failedFuture(ex); |
3536 |
> |
checkCompletedExceptionally(f, ex); |
3537 |
> |
} |
3538 |
> |
|
3539 |
> |
/** |
3540 |
> |
* failedFuture(null) throws NPE |
3541 |
|
*/ |
3542 |
< |
public void testWhenComplete3() { |
3542 |
> |
public void testFailedFuture_null() { |
3543 |
> |
try { |
3544 |
> |
CompletableFuture<Integer> f = CompletableFuture.failedFuture(null); |
3545 |
> |
shouldThrow(); |
3546 |
> |
} catch (NullPointerException success) {} |
3547 |
> |
} |
3548 |
> |
|
3549 |
> |
/** |
3550 |
> |
* copy returns a CompletableFuture that is completed normally, |
3551 |
> |
* with the same value, when source is. |
3552 |
> |
*/ |
3553 |
> |
public void testCopy() { |
3554 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3555 |
< |
CompletableFuture<Integer> g = |
3556 |
< |
f.whenComplete((Integer x, Throwable t) -> |
3557 |
< |
{ throw new CFException(); } ); |
3558 |
< |
f.complete(three); |
3559 |
< |
checkCompletedNormally(f, three); |
3560 |
< |
assertTrue(g.isCompletedExceptionally()); |
3083 |
< |
checkCompletedWithWrappedCFException(g); |
3555 |
> |
CompletableFuture<Integer> g = f.copy(); |
3556 |
> |
checkIncomplete(f); |
3557 |
> |
checkIncomplete(g); |
3558 |
> |
f.complete(1); |
3559 |
> |
checkCompletedNormally(f, 1); |
3560 |
> |
checkCompletedNormally(g, 1); |
3561 |
|
} |
3562 |
|
|
3563 |
|
/** |
3564 |
< |
* whenCompleteAsync action executes on normal completion, propagating |
3565 |
< |
* source result. |
3564 |
> |
* copy returns a CompletableFuture that is completed exceptionally |
3565 |
> |
* when source is. |
3566 |
|
*/ |
3567 |
< |
public void testWhenCompleteAsync1() { |
3091 |
< |
final AtomicInteger a = new AtomicInteger(); |
3567 |
> |
public void testCopy2() { |
3568 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3569 |
< |
CompletableFuture<Integer> g = |
3570 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement()); |
3571 |
< |
f.complete(three); |
3572 |
< |
checkCompletedNormally(f, three); |
3573 |
< |
checkCompletedNormally(g, three); |
3574 |
< |
assertEquals(a.get(), 1); |
3569 |
> |
CompletableFuture<Integer> g = f.copy(); |
3570 |
> |
checkIncomplete(f); |
3571 |
> |
checkIncomplete(g); |
3572 |
> |
CFException ex = new CFException(); |
3573 |
> |
f.completeExceptionally(ex); |
3574 |
> |
checkCompletedExceptionally(f, ex); |
3575 |
> |
checkCompletedWithWrappedException(g, ex); |
3576 |
|
} |
3577 |
|
|
3578 |
|
/** |
3579 |
< |
* whenCompleteAsync action executes on exceptional completion, propagating |
3580 |
< |
* source result. |
3579 |
> |
* minimalCompletionStage returns a CompletableFuture that is |
3580 |
> |
* completed normally, with the same value, when source is. |
3581 |
|
*/ |
3582 |
< |
public void testWhenCompleteAsync2() { |
3106 |
< |
final AtomicInteger a = new AtomicInteger(); |
3582 |
> |
public void testMinimalCompletionStage() { |
3583 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3584 |
< |
CompletableFuture<Integer> g = |
3585 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement()); |
3586 |
< |
f.completeExceptionally(new CFException()); |
3587 |
< |
checkCompletedWithWrappedCFException(f); |
3588 |
< |
checkCompletedWithWrappedCFException(g); |
3584 |
> |
CompletionStage<Integer> g = f.minimalCompletionStage(); |
3585 |
> |
AtomicInteger x = new AtomicInteger(0); |
3586 |
> |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3587 |
> |
checkIncomplete(f); |
3588 |
> |
g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3589 |
> |
f.complete(1); |
3590 |
> |
checkCompletedNormally(f, 1); |
3591 |
> |
assertEquals(x.get(), 1); |
3592 |
> |
assertNull(r.get()); |
3593 |
|
} |
3594 |
|
|
3595 |
|
/** |
3596 |
< |
* If a whenCompleteAsync action throws an exception when |
3597 |
< |
* triggered by a normal completion, it completes exceptionally |
3596 |
> |
* minimalCompletionStage returns a CompletableFuture that is |
3597 |
> |
* completed exceptionally when source is. |
3598 |
|
*/ |
3599 |
< |
public void testWhenCompleteAsync3() { |
3599 |
> |
public void testMinimalCompletionStage2() { |
3600 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3601 |
< |
CompletableFuture<Integer> g = |
3602 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> |
3603 |
< |
{ throw new CFException(); } ); |
3604 |
< |
f.complete(three); |
3605 |
< |
checkCompletedNormally(f, three); |
3606 |
< |
checkCompletedWithWrappedCFException(g); |
3601 |
> |
CompletionStage<Integer> g = f.minimalCompletionStage(); |
3602 |
> |
AtomicInteger x = new AtomicInteger(0); |
3603 |
> |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3604 |
> |
g.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3605 |
> |
checkIncomplete(f); |
3606 |
> |
CFException ex = new CFException(); |
3607 |
> |
f.completeExceptionally(ex); |
3608 |
> |
checkCompletedExceptionally(f, ex); |
3609 |
> |
assertEquals(x.get(), 0); |
3610 |
> |
assertEquals(r.get().getCause(), ex); |
3611 |
|
} |
3612 |
|
|
3613 |
|
/** |
3614 |
< |
* whenCompleteAsync action executes on normal completion, propagating |
3615 |
< |
* source result. |
3614 |
> |
* failedStage returns a CompletionStage completed |
3615 |
> |
* exceptionally with the given Exception |
3616 |
|
*/ |
3617 |
< |
public void testWhenCompleteAsync1e() { |
3618 |
< |
final AtomicInteger a = new AtomicInteger(); |
3619 |
< |
ThreadExecutor exec = new ThreadExecutor(); |
3617 |
> |
public void testFailedStage() { |
3618 |
> |
CFException ex = new CFException(); |
3619 |
> |
CompletionStage<Integer> f = CompletableFuture.failedStage(ex); |
3620 |
> |
AtomicInteger x = new AtomicInteger(0); |
3621 |
> |
AtomicReference<Throwable> r = new AtomicReference<Throwable>(); |
3622 |
> |
f.whenComplete((v, e) -> {if (e != null) r.set(e); else x.set(v);}); |
3623 |
> |
assertEquals(x.get(), 0); |
3624 |
> |
assertEquals(r.get(), ex); |
3625 |
> |
} |
3626 |
> |
|
3627 |
> |
/** |
3628 |
> |
* completeAsync completes with value of given supplier |
3629 |
> |
*/ |
3630 |
> |
public void testCompleteAsync() { |
3631 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
3632 |
> |
{ |
3633 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3634 |
< |
CompletableFuture<Integer> g = |
3635 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(), |
3636 |
< |
exec); |
3637 |
< |
f.complete(three); |
3638 |
< |
checkCompletedNormally(f, three); |
3639 |
< |
checkCompletedNormally(g, three); |
3640 |
< |
assertEquals(a.get(), 1); |
3634 |
> |
f.completeAsync(() -> v1); |
3635 |
> |
f.join(); |
3636 |
> |
checkCompletedNormally(f, v1); |
3637 |
> |
}} |
3638 |
> |
|
3639 |
> |
/** |
3640 |
> |
* completeAsync completes exceptionally if given supplier throws |
3641 |
> |
*/ |
3642 |
> |
public void testCompleteAsync2() { |
3643 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3644 |
> |
CFException ex = new CFException(); |
3645 |
> |
f.completeAsync(() -> {if (true) throw ex; return 1;}); |
3646 |
> |
try { |
3647 |
> |
f.join(); |
3648 |
> |
shouldThrow(); |
3649 |
> |
} catch (CompletionException success) {} |
3650 |
> |
checkCompletedWithWrappedException(f, ex); |
3651 |
|
} |
3652 |
|
|
3653 |
|
/** |
3654 |
< |
* whenCompleteAsync action executes on exceptional completion, propagating |
3148 |
< |
* source result. |
3654 |
> |
* completeAsync with given executor completes with value of given supplier |
3655 |
|
*/ |
3656 |
< |
public void testWhenCompleteAsync2e() { |
3657 |
< |
final AtomicInteger a = new AtomicInteger(); |
3658 |
< |
ThreadExecutor exec = new ThreadExecutor(); |
3656 |
> |
public void testCompleteAsync3() { |
3657 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
3658 |
> |
{ |
3659 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3660 |
< |
CompletableFuture<Integer> g = |
3661 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> a.getAndIncrement(), |
3662 |
< |
exec); |
3663 |
< |
f.completeExceptionally(new CFException()); |
3664 |
< |
checkCompletedWithWrappedCFException(f); |
3665 |
< |
checkCompletedWithWrappedCFException(g); |
3660 |
> |
ThreadExecutor executor = new ThreadExecutor(); |
3661 |
> |
f.completeAsync(() -> v1, executor); |
3662 |
> |
assertSame(v1, f.join()); |
3663 |
> |
checkCompletedNormally(f, v1); |
3664 |
> |
assertEquals(1, executor.count.get()); |
3665 |
> |
}} |
3666 |
> |
|
3667 |
> |
/** |
3668 |
> |
* completeAsync with given executor completes exceptionally if |
3669 |
> |
* given supplier throws |
3670 |
> |
*/ |
3671 |
> |
public void testCompleteAsync4() { |
3672 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3673 |
> |
CFException ex = new CFException(); |
3674 |
> |
ThreadExecutor executor = new ThreadExecutor(); |
3675 |
> |
f.completeAsync(() -> {if (true) throw ex; return 1;}, executor); |
3676 |
> |
try { |
3677 |
> |
f.join(); |
3678 |
> |
shouldThrow(); |
3679 |
> |
} catch (CompletionException success) {} |
3680 |
> |
checkCompletedWithWrappedException(f, ex); |
3681 |
> |
assertEquals(1, executor.count.get()); |
3682 |
|
} |
3683 |
|
|
3684 |
|
/** |
3685 |
< |
* If a whenCompleteAsync action throws an exception when triggered |
3164 |
< |
* by a normal completion, it completes exceptionally |
3685 |
> |
* orTimeout completes with TimeoutException if not complete |
3686 |
|
*/ |
3687 |
< |
public void testWhenCompleteAsync3e() { |
3688 |
< |
ThreadExecutor exec = new ThreadExecutor(); |
3687 |
> |
public void testOrTimeout_timesOut() { |
3688 |
> |
long timeoutMillis = timeoutMillis(); |
3689 |
|
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3690 |
< |
CompletableFuture<Integer> g = |
3691 |
< |
f.whenCompleteAsync((Integer x, Throwable t) -> |
3692 |
< |
{ throw new CFException(); }, |
3693 |
< |
exec); |
3173 |
< |
f.complete(three); |
3174 |
< |
checkCompletedNormally(f, three); |
3175 |
< |
checkCompletedWithWrappedCFException(g); |
3690 |
> |
long startTime = System.nanoTime(); |
3691 |
> |
assertSame(f, f.orTimeout(timeoutMillis, MILLISECONDS)); |
3692 |
> |
checkCompletedWithTimeoutException(f); |
3693 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
3694 |
|
} |
3695 |
|
|
3696 |
|
/** |
3697 |
< |
* handleAsync action completes normally with function value on |
3180 |
< |
* either normal or exceptional completion of source |
3697 |
> |
* orTimeout completes normally if completed before timeout |
3698 |
|
*/ |
3699 |
< |
public void testHandleAsync() { |
3700 |
< |
CompletableFuture<Integer> f, g; |
3701 |
< |
IntegerHandler r; |
3699 |
> |
public void testOrTimeout_completed() { |
3700 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
3701 |
> |
{ |
3702 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3703 |
> |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3704 |
> |
long startTime = System.nanoTime(); |
3705 |
> |
f.complete(v1); |
3706 |
> |
assertSame(f, f.orTimeout(LONG_DELAY_MS, MILLISECONDS)); |
3707 |
> |
assertSame(g, g.orTimeout(LONG_DELAY_MS, MILLISECONDS)); |
3708 |
> |
g.complete(v1); |
3709 |
> |
checkCompletedNormally(f, v1); |
3710 |
> |
checkCompletedNormally(g, v1); |
3711 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
3712 |
> |
}} |
3713 |
|
|
3714 |
< |
f = new CompletableFuture<>(); |
3715 |
< |
g = f.handleAsync(r = new IntegerHandler()); |
3716 |
< |
assertFalse(r.ran); |
3717 |
< |
f.completeExceptionally(new CFException()); |
3718 |
< |
checkCompletedWithWrappedCFException(f); |
3719 |
< |
checkCompletedNormally(g, three); |
3720 |
< |
assertTrue(r.ran); |
3714 |
> |
/** |
3715 |
> |
* completeOnTimeout completes with given value if not complete |
3716 |
> |
*/ |
3717 |
> |
public void testCompleteOnTimeout_timesOut() { |
3718 |
> |
testInParallel(() -> testCompleteOnTimeout_timesOut(42), |
3719 |
> |
() -> testCompleteOnTimeout_timesOut(null)); |
3720 |
> |
} |
3721 |
|
|
3722 |
< |
f = new CompletableFuture<>(); |
3723 |
< |
g = f.handleAsync(r = new IntegerHandler()); |
3724 |
< |
assertFalse(r.ran); |
3725 |
< |
f.completeExceptionally(new CFException()); |
3726 |
< |
checkCompletedWithWrappedCFException(f); |
3727 |
< |
checkCompletedNormally(g, three); |
3728 |
< |
assertTrue(r.ran); |
3722 |
> |
/** |
3723 |
> |
* completeOnTimeout completes with given value if not complete |
3724 |
> |
*/ |
3725 |
> |
public void testCompleteOnTimeout_timesOut(Integer v) { |
3726 |
> |
long timeoutMillis = timeoutMillis(); |
3727 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3728 |
> |
long startTime = System.nanoTime(); |
3729 |
> |
assertSame(f, f.completeOnTimeout(v, timeoutMillis, MILLISECONDS)); |
3730 |
> |
assertSame(v, f.join()); |
3731 |
> |
assertTrue(millisElapsedSince(startTime) >= timeoutMillis); |
3732 |
> |
f.complete(99); // should have no effect |
3733 |
> |
checkCompletedNormally(f, v); |
3734 |
> |
} |
3735 |
|
|
3736 |
< |
f = new CompletableFuture<>(); |
3737 |
< |
g = f.handleAsync(r = new IntegerHandler()); |
3738 |
< |
assertFalse(r.ran); |
3739 |
< |
f.complete(one); |
3740 |
< |
checkCompletedNormally(f, one); |
3741 |
< |
checkCompletedNormally(g, two); |
3742 |
< |
assertTrue(r.ran); |
3736 |
> |
/** |
3737 |
> |
* completeOnTimeout has no effect if completed within timeout |
3738 |
> |
*/ |
3739 |
> |
public void testCompleteOnTimeout_completed() { |
3740 |
> |
for (Integer v1 : new Integer[] { 1, null }) |
3741 |
> |
{ |
3742 |
> |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3743 |
> |
CompletableFuture<Integer> g = new CompletableFuture<>(); |
3744 |
> |
long startTime = System.nanoTime(); |
3745 |
> |
f.complete(v1); |
3746 |
> |
assertSame(f, f.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS)); |
3747 |
> |
assertSame(g, g.completeOnTimeout(-1, LONG_DELAY_MS, MILLISECONDS)); |
3748 |
> |
g.complete(v1); |
3749 |
> |
checkCompletedNormally(f, v1); |
3750 |
> |
checkCompletedNormally(g, v1); |
3751 |
> |
assertTrue(millisElapsedSince(startTime) < LONG_DELAY_MS / 2); |
3752 |
> |
}} |
3753 |
> |
|
3754 |
> |
/** |
3755 |
> |
* delayedExecutor returns an executor that delays submission |
3756 |
> |
*/ |
3757 |
> |
public void testDelayedExecutor() { |
3758 |
> |
testInParallel(() -> testDelayedExecutor(null, null), |
3759 |
> |
() -> testDelayedExecutor(null, 1), |
3760 |
> |
() -> testDelayedExecutor(new ThreadExecutor(), 1), |
3761 |
> |
() -> testDelayedExecutor(new ThreadExecutor(), 1)); |
3762 |
> |
} |
3763 |
> |
|
3764 |
> |
public void testDelayedExecutor(Executor executor, Integer v) throws Exception { |
3765 |
> |
long timeoutMillis = timeoutMillis(); |
3766 |
> |
// Use an "unreasonably long" long timeout to catch lingering threads |
3767 |
> |
long longTimeoutMillis = 1000 * 60 * 60 * 24; |
3768 |
> |
final Executor delayer, longDelayer; |
3769 |
> |
if (executor == null) { |
3770 |
> |
delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS); |
3771 |
> |
longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS); |
3772 |
> |
} else { |
3773 |
> |
delayer = CompletableFuture.delayedExecutor(timeoutMillis, MILLISECONDS, executor); |
3774 |
> |
longDelayer = CompletableFuture.delayedExecutor(longTimeoutMillis, MILLISECONDS, executor); |
3775 |
> |
} |
3776 |
> |
long startTime = System.nanoTime(); |
3777 |
> |
CompletableFuture<Integer> f = |
3778 |
> |
CompletableFuture.supplyAsync(() -> v, delayer); |
3779 |
> |
CompletableFuture<Integer> g = |
3780 |
> |
CompletableFuture.supplyAsync(() -> v, longDelayer); |
3781 |
|
|
3782 |
< |
f = new CompletableFuture<>(); |
3783 |
< |
g = f.handleAsync(r = new IntegerHandler()); |
3784 |
< |
assertFalse(r.ran); |
3785 |
< |
f.complete(one); |
3786 |
< |
checkCompletedNormally(f, one); |
3787 |
< |
checkCompletedNormally(g, two); |
3788 |
< |
assertTrue(r.ran); |
3782 |
> |
assertNull(g.getNow(null)); |
3783 |
> |
|
3784 |
> |
assertSame(v, f.get(LONG_DELAY_MS, MILLISECONDS)); |
3785 |
> |
long millisElapsed = millisElapsedSince(startTime); |
3786 |
> |
assertTrue(millisElapsed >= timeoutMillis); |
3787 |
> |
assertTrue(millisElapsed < LONG_DELAY_MS / 2); |
3788 |
> |
|
3789 |
> |
checkCompletedNormally(f, v); |
3790 |
> |
|
3791 |
> |
checkIncomplete(g); |
3792 |
> |
assertTrue(g.cancel(true)); |
3793 |
|
} |
3794 |
|
|
3795 |
+ |
//--- tests of implementation details; not part of official tck --- |
3796 |
+ |
|
3797 |
+ |
Object resultOf(CompletableFuture<?> f) { |
3798 |
+ |
SecurityManager sm = System.getSecurityManager(); |
3799 |
+ |
if (sm != null) { |
3800 |
+ |
try { |
3801 |
+ |
System.setSecurityManager(null); |
3802 |
+ |
} catch (SecurityException giveUp) { |
3803 |
+ |
return "Reflection not available"; |
3804 |
+ |
} |
3805 |
+ |
} |
3806 |
+ |
|
3807 |
+ |
try { |
3808 |
+ |
java.lang.reflect.Field resultField |
3809 |
+ |
= CompletableFuture.class.getDeclaredField("result"); |
3810 |
+ |
resultField.setAccessible(true); |
3811 |
+ |
return resultField.get(f); |
3812 |
+ |
} catch (Throwable t) { |
3813 |
+ |
throw new AssertionError(t); |
3814 |
+ |
} finally { |
3815 |
+ |
if (sm != null) System.setSecurityManager(sm); |
3816 |
+ |
} |
3817 |
+ |
} |
3818 |
+ |
|
3819 |
+ |
public void testExceptionPropagationReusesResultObject() { |
3820 |
+ |
if (!testImplementationDetails) return; |
3821 |
+ |
for (ExecutionMode m : ExecutionMode.values()) |
3822 |
+ |
{ |
3823 |
+ |
final CFException ex = new CFException(); |
3824 |
+ |
final CompletableFuture<Integer> v42 = CompletableFuture.completedFuture(42); |
3825 |
+ |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
3826 |
+ |
|
3827 |
+ |
List<Function<CompletableFuture<Integer>, CompletableFuture<?>>> funs |
3828 |
+ |
= new ArrayList<>(); |
3829 |
+ |
|
3830 |
+ |
funs.add((y) -> m.thenRun(y, new Noop(m))); |
3831 |
+ |
funs.add((y) -> m.thenAccept(y, new NoopConsumer(m))); |
3832 |
+ |
funs.add((y) -> m.thenApply(y, new IncFunction(m))); |
3833 |
+ |
|
3834 |
+ |
funs.add((y) -> m.runAfterEither(y, incomplete, new Noop(m))); |
3835 |
+ |
funs.add((y) -> m.acceptEither(y, incomplete, new NoopConsumer(m))); |
3836 |
+ |
funs.add((y) -> m.applyToEither(y, incomplete, new IncFunction(m))); |
3837 |
+ |
|
3838 |
+ |
funs.add((y) -> m.runAfterBoth(y, v42, new Noop(m))); |
3839 |
+ |
funs.add((y) -> m.runAfterBoth(v42, y, new Noop(m))); |
3840 |
+ |
funs.add((y) -> m.thenAcceptBoth(y, v42, new SubtractAction(m))); |
3841 |
+ |
funs.add((y) -> m.thenAcceptBoth(v42, y, new SubtractAction(m))); |
3842 |
+ |
funs.add((y) -> m.thenCombine(y, v42, new SubtractFunction(m))); |
3843 |
+ |
funs.add((y) -> m.thenCombine(v42, y, new SubtractFunction(m))); |
3844 |
+ |
|
3845 |
+ |
funs.add((y) -> m.whenComplete(y, (Integer r, Throwable t) -> {})); |
3846 |
+ |
|
3847 |
+ |
funs.add((y) -> m.thenCompose(y, new CompletableFutureInc(m))); |
3848 |
+ |
|
3849 |
+ |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y})); |
3850 |
+ |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {y, v42})); |
3851 |
+ |
funs.add((y) -> CompletableFuture.allOf(new CompletableFuture<?>[] {v42, y})); |
3852 |
+ |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y})); |
3853 |
+ |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {y, incomplete})); |
3854 |
+ |
funs.add((y) -> CompletableFuture.anyOf(new CompletableFuture<?>[] {incomplete, y})); |
3855 |
+ |
|
3856 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3857 |
+ |
fun : funs) { |
3858 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3859 |
+ |
f.completeExceptionally(ex); |
3860 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3861 |
+ |
checkCompletedWithWrappedException(src, ex); |
3862 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3863 |
+ |
checkCompletedWithWrappedException(dep, ex); |
3864 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3865 |
+ |
} |
3866 |
+ |
|
3867 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3868 |
+ |
fun : funs) { |
3869 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3870 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3871 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3872 |
+ |
f.completeExceptionally(ex); |
3873 |
+ |
checkCompletedWithWrappedException(src, ex); |
3874 |
+ |
checkCompletedWithWrappedException(dep, ex); |
3875 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3876 |
+ |
} |
3877 |
+ |
|
3878 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
3879 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3880 |
+ |
fun : funs) { |
3881 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3882 |
+ |
f.cancel(mayInterruptIfRunning); |
3883 |
+ |
checkCancelled(f); |
3884 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3885 |
+ |
checkCompletedWithWrappedCancellationException(src); |
3886 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3887 |
+ |
checkCompletedWithWrappedCancellationException(dep); |
3888 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3889 |
+ |
} |
3890 |
+ |
|
3891 |
+ |
for (boolean mayInterruptIfRunning : new boolean[] { true, false }) |
3892 |
+ |
for (Function<CompletableFuture<Integer>, CompletableFuture<?>> |
3893 |
+ |
fun : funs) { |
3894 |
+ |
CompletableFuture<Integer> f = new CompletableFuture<>(); |
3895 |
+ |
CompletableFuture<Integer> src = m.thenApply(f, new IncFunction(m)); |
3896 |
+ |
CompletableFuture<?> dep = fun.apply(src); |
3897 |
+ |
f.cancel(mayInterruptIfRunning); |
3898 |
+ |
checkCancelled(f); |
3899 |
+ |
checkCompletedWithWrappedCancellationException(src); |
3900 |
+ |
checkCompletedWithWrappedCancellationException(dep); |
3901 |
+ |
assertSame(resultOf(src), resultOf(dep)); |
3902 |
+ |
} |
3903 |
+ |
}} |
3904 |
+ |
|
3905 |
|
/** |
3906 |
< |
* handleAsync action with Executor completes normally with |
3221 |
< |
* function value on either normal or exceptional completion of |
3222 |
< |
* source |
3906 |
> |
* Minimal completion stages throw UOE for all non-CompletionStage methods |
3907 |
|
*/ |
3908 |
< |
public void testHandleAsync2() { |
3909 |
< |
CompletableFuture<Integer> f, g; |
3910 |
< |
ThreadExecutor exec = new ThreadExecutor(); |
3911 |
< |
IntegerHandler r; |
3908 |
> |
public void testMinimalCompletionStage_minimality() { |
3909 |
> |
if (!testImplementationDetails) return; |
3910 |
> |
Function<Method, String> toSignature = |
3911 |
> |
(method) -> method.getName() + Arrays.toString(method.getParameterTypes()); |
3912 |
> |
Predicate<Method> isNotStatic = |
3913 |
> |
(method) -> (method.getModifiers() & Modifier.STATIC) == 0; |
3914 |
> |
List<Method> minimalMethods = |
3915 |
> |
Stream.of(Object.class, CompletionStage.class) |
3916 |
> |
.flatMap((klazz) -> Stream.of(klazz.getMethods())) |
3917 |
> |
.filter(isNotStatic) |
3918 |
> |
.collect(Collectors.toList()); |
3919 |
> |
// Methods from CompletableFuture permitted NOT to throw UOE |
3920 |
> |
String[] signatureWhitelist = { |
3921 |
> |
"newIncompleteFuture[]", |
3922 |
> |
"defaultExecutor[]", |
3923 |
> |
"minimalCompletionStage[]", |
3924 |
> |
"copy[]", |
3925 |
> |
}; |
3926 |
> |
Set<String> permittedMethodSignatures = |
3927 |
> |
Stream.concat(minimalMethods.stream().map(toSignature), |
3928 |
> |
Stream.of(signatureWhitelist)) |
3929 |
> |
.collect(Collectors.toSet()); |
3930 |
> |
List<Method> allMethods = Stream.of(CompletableFuture.class.getMethods()) |
3931 |
> |
.filter(isNotStatic) |
3932 |
> |
.filter((method) -> !permittedMethodSignatures.contains(toSignature.apply(method))) |
3933 |
> |
.collect(Collectors.toList()); |
3934 |
> |
|
3935 |
> |
CompletionStage<Integer> minimalStage = |
3936 |
> |
new CompletableFuture<Integer>().minimalCompletionStage(); |
3937 |
> |
|
3938 |
> |
List<Method> bugs = new ArrayList<>(); |
3939 |
> |
for (Method method : allMethods) { |
3940 |
> |
Class<?>[] parameterTypes = method.getParameterTypes(); |
3941 |
> |
Object[] args = new Object[parameterTypes.length]; |
3942 |
> |
// Manufacture boxed primitives for primitive params |
3943 |
> |
for (int i = 0; i < args.length; i++) { |
3944 |
> |
Class<?> type = parameterTypes[i]; |
3945 |
> |
if (parameterTypes[i] == boolean.class) |
3946 |
> |
args[i] = false; |
3947 |
> |
else if (parameterTypes[i] == int.class) |
3948 |
> |
args[i] = 0; |
3949 |
> |
else if (parameterTypes[i] == long.class) |
3950 |
> |
args[i] = 0L; |
3951 |
> |
} |
3952 |
> |
try { |
3953 |
> |
method.invoke(minimalStage, args); |
3954 |
> |
bugs.add(method); |
3955 |
> |
} |
3956 |
> |
catch (java.lang.reflect.InvocationTargetException expected) { |
3957 |
> |
if (! (expected.getCause() instanceof UnsupportedOperationException)) { |
3958 |
> |
bugs.add(method); |
3959 |
> |
// expected.getCause().printStackTrace(); |
3960 |
> |
} |
3961 |
> |
} |
3962 |
> |
catch (ReflectiveOperationException bad) { throw new Error(bad); } |
3963 |
> |
} |
3964 |
> |
if (!bugs.isEmpty()) |
3965 |
> |
throw new Error("Methods did not throw UOE: " + bugs.toString()); |
3966 |
> |
} |
3967 |
|
|
3968 |
< |
f = new CompletableFuture<>(); |
3969 |
< |
g = f.handleAsync(r = new IntegerHandler(), exec); |
3970 |
< |
assertFalse(r.ran); |
3971 |
< |
f.completeExceptionally(new CFException()); |
3972 |
< |
checkCompletedWithWrappedCFException(f); |
3973 |
< |
checkCompletedNormally(g, three); |
3974 |
< |
assertTrue(r.ran); |
3968 |
> |
static class Monad { |
3969 |
> |
static class ZeroException extends RuntimeException { |
3970 |
> |
public ZeroException() { super("monadic zero"); } |
3971 |
> |
} |
3972 |
> |
// "return", "unit" |
3973 |
> |
static <T> CompletableFuture<T> unit(T value) { |
3974 |
> |
return completedFuture(value); |
3975 |
> |
} |
3976 |
> |
// monadic zero ? |
3977 |
> |
static <T> CompletableFuture<T> zero() { |
3978 |
> |
return failedFuture(new ZeroException()); |
3979 |
> |
} |
3980 |
> |
// >=> |
3981 |
> |
static <T,U,V> Function<T, CompletableFuture<V>> compose |
3982 |
> |
(Function<T, CompletableFuture<U>> f, |
3983 |
> |
Function<U, CompletableFuture<V>> g) { |
3984 |
> |
return (x) -> f.apply(x).thenCompose(g); |
3985 |
> |
} |
3986 |
|
|
3987 |
< |
f = new CompletableFuture<>(); |
3988 |
< |
g = f.handleAsync(r = new IntegerHandler(), exec); |
3989 |
< |
assertFalse(r.ran); |
3990 |
< |
f.completeExceptionally(new CFException()); |
3991 |
< |
checkCompletedWithWrappedCFException(f); |
3992 |
< |
checkCompletedNormally(g, three); |
3993 |
< |
assertTrue(r.ran); |
3987 |
> |
static void assertZero(CompletableFuture<?> f) { |
3988 |
> |
try { |
3989 |
> |
f.getNow(null); |
3990 |
> |
throw new AssertionFailedError("should throw"); |
3991 |
> |
} catch (CompletionException success) { |
3992 |
> |
assertTrue(success.getCause() instanceof ZeroException); |
3993 |
> |
} |
3994 |
> |
} |
3995 |
|
|
3996 |
< |
f = new CompletableFuture<>(); |
3997 |
< |
g = f.handleAsync(r = new IntegerHandler(), exec); |
3998 |
< |
assertFalse(r.ran); |
3999 |
< |
f.complete(one); |
4000 |
< |
checkCompletedNormally(f, one); |
4001 |
< |
checkCompletedNormally(g, two); |
4002 |
< |
assertTrue(r.ran); |
3996 |
> |
static <T> void assertFutureEquals(CompletableFuture<T> f, |
3997 |
> |
CompletableFuture<T> g) { |
3998 |
> |
T fval = null, gval = null; |
3999 |
> |
Throwable fex = null, gex = null; |
4000 |
> |
|
4001 |
> |
try { fval = f.get(); } |
4002 |
> |
catch (ExecutionException ex) { fex = ex.getCause(); } |
4003 |
> |
catch (Throwable ex) { fex = ex; } |
4004 |
> |
|
4005 |
> |
try { gval = g.get(); } |
4006 |
> |
catch (ExecutionException ex) { gex = ex.getCause(); } |
4007 |
> |
catch (Throwable ex) { gex = ex; } |
4008 |
> |
|
4009 |
> |
if (fex != null || gex != null) |
4010 |
> |
assertSame(fex.getClass(), gex.getClass()); |
4011 |
> |
else |
4012 |
> |
assertEquals(fval, gval); |
4013 |
> |
} |
4014 |
|
|
4015 |
< |
f = new CompletableFuture<>(); |
4016 |
< |
g = f.handleAsync(r = new IntegerHandler(), exec); |
4017 |
< |
assertFalse(r.ran); |
4018 |
< |
f.complete(one); |
4019 |
< |
checkCompletedNormally(f, one); |
4020 |
< |
checkCompletedNormally(g, two); |
4021 |
< |
assertTrue(r.ran); |
4015 |
> |
static class PlusFuture<T> extends CompletableFuture<T> { |
4016 |
> |
AtomicReference<Throwable> firstFailure = new AtomicReference<>(null); |
4017 |
> |
} |
4018 |
> |
|
4019 |
> |
/** Implements "monadic plus". */ |
4020 |
> |
static <T> CompletableFuture<T> plus(CompletableFuture<? extends T> f, |
4021 |
> |
CompletableFuture<? extends T> g) { |
4022 |
> |
PlusFuture<T> plus = new PlusFuture<T>(); |
4023 |
> |
BiConsumer<T, Throwable> action = (T result, Throwable ex) -> { |
4024 |
> |
try { |
4025 |
> |
if (ex == null) { |
4026 |
> |
if (plus.complete(result)) |
4027 |
> |
if (plus.firstFailure.get() != null) |
4028 |
> |
plus.firstFailure.set(null); |
4029 |
> |
} |
4030 |
> |
else if (plus.firstFailure.compareAndSet(null, ex)) { |
4031 |
> |
if (plus.isDone()) |
4032 |
> |
plus.firstFailure.set(null); |
4033 |
> |
} |
4034 |
> |
else { |
4035 |
> |
// first failure has precedence |
4036 |
> |
Throwable first = plus.firstFailure.getAndSet(null); |
4037 |
> |
|
4038 |
> |
// may fail with "Self-suppression not permitted" |
4039 |
> |
try { first.addSuppressed(ex); } |
4040 |
> |
catch (Exception ignored) {} |
4041 |
> |
|
4042 |
> |
plus.completeExceptionally(first); |
4043 |
> |
} |
4044 |
> |
} catch (Throwable unexpected) { |
4045 |
> |
plus.completeExceptionally(unexpected); |
4046 |
> |
} |
4047 |
> |
}; |
4048 |
> |
f.whenComplete(action); |
4049 |
> |
g.whenComplete(action); |
4050 |
> |
return plus; |
4051 |
> |
} |
4052 |
|
} |
4053 |
|
|
4054 |
+ |
/** |
4055 |
+ |
* CompletableFuture is an additive monad - sort of. |
4056 |
+ |
* https://en.wikipedia.org/wiki/Monad_(functional_programming)#Additive_monads |
4057 |
+ |
*/ |
4058 |
+ |
public void testAdditiveMonad() throws Throwable { |
4059 |
+ |
Function<Long, CompletableFuture<Long>> unit = Monad::unit; |
4060 |
+ |
CompletableFuture<Long> zero = Monad.zero(); |
4061 |
+ |
|
4062 |
+ |
// Some mutually non-commutative functions |
4063 |
+ |
Function<Long, CompletableFuture<Long>> triple |
4064 |
+ |
= (x) -> Monad.unit(3 * x); |
4065 |
+ |
Function<Long, CompletableFuture<Long>> inc |
4066 |
+ |
= (x) -> Monad.unit(x + 1); |
4067 |
+ |
|
4068 |
+ |
// unit is a right identity: m >>= unit === m |
4069 |
+ |
Monad.assertFutureEquals(inc.apply(5L).thenCompose(unit), |
4070 |
+ |
inc.apply(5L)); |
4071 |
+ |
// unit is a left identity: (unit x) >>= f === f x |
4072 |
+ |
Monad.assertFutureEquals(unit.apply(5L).thenCompose(inc), |
4073 |
+ |
inc.apply(5L)); |
4074 |
+ |
|
4075 |
+ |
// associativity: (m >>= f) >>= g === m >>= ( \x -> (f x >>= g) ) |
4076 |
+ |
Monad.assertFutureEquals( |
4077 |
+ |
unit.apply(5L).thenCompose(inc).thenCompose(triple), |
4078 |
+ |
unit.apply(5L).thenCompose((x) -> inc.apply(x).thenCompose(triple))); |
4079 |
+ |
|
4080 |
+ |
// The case for CompletableFuture as an additive monad is weaker... |
4081 |
+ |
|
4082 |
+ |
// zero is a monadic zero |
4083 |
+ |
Monad.assertZero(zero); |
4084 |
+ |
|
4085 |
+ |
// left zero: zero >>= f === zero |
4086 |
+ |
Monad.assertZero(zero.thenCompose(inc)); |
4087 |
+ |
// right zero: f >>= (\x -> zero) === zero |
4088 |
+ |
Monad.assertZero(inc.apply(5L).thenCompose((x) -> zero)); |
4089 |
+ |
|
4090 |
+ |
// f plus zero === f |
4091 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
4092 |
+ |
Monad.plus(Monad.unit(5L), zero)); |
4093 |
+ |
// zero plus f === f |
4094 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
4095 |
+ |
Monad.plus(zero, Monad.unit(5L))); |
4096 |
+ |
// zero plus zero === zero |
4097 |
+ |
Monad.assertZero(Monad.plus(zero, zero)); |
4098 |
+ |
{ |
4099 |
+ |
CompletableFuture<Long> f = Monad.plus(Monad.unit(5L), |
4100 |
+ |
Monad.unit(8L)); |
4101 |
+ |
// non-determinism |
4102 |
+ |
assertTrue(f.get() == 5L || f.get() == 8L); |
4103 |
+ |
} |
4104 |
+ |
|
4105 |
+ |
CompletableFuture<Long> godot = new CompletableFuture<>(); |
4106 |
+ |
// f plus godot === f (doesn't wait for godot) |
4107 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
4108 |
+ |
Monad.plus(Monad.unit(5L), godot)); |
4109 |
+ |
// godot plus f === f (doesn't wait for godot) |
4110 |
+ |
Monad.assertFutureEquals(Monad.unit(5L), |
4111 |
+ |
Monad.plus(godot, Monad.unit(5L))); |
4112 |
+ |
} |
4113 |
+ |
|
4114 |
+ |
/** |
4115 |
+ |
* A single CompletableFuture with many dependents. |
4116 |
+ |
* A demo of scalability - runtime is O(n). |
4117 |
+ |
*/ |
4118 |
+ |
public void testManyDependents() throws Throwable { |
4119 |
+ |
final int n = 1_000; |
4120 |
+ |
final CompletableFuture<Void> head = new CompletableFuture<>(); |
4121 |
+ |
final CompletableFuture<Void> complete = CompletableFuture.completedFuture((Void)null); |
4122 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
4123 |
+ |
for (int i = 0; i < n; i++) { |
4124 |
+ |
head.thenRun(() -> count.getAndIncrement()); |
4125 |
+ |
head.thenAccept((x) -> count.getAndIncrement()); |
4126 |
+ |
head.thenApply((x) -> count.getAndIncrement()); |
4127 |
+ |
|
4128 |
+ |
head.runAfterBoth(complete, () -> count.getAndIncrement()); |
4129 |
+ |
head.thenAcceptBoth(complete, (x, y) -> count.getAndIncrement()); |
4130 |
+ |
head.thenCombine(complete, (x, y) -> count.getAndIncrement()); |
4131 |
+ |
complete.runAfterBoth(head, () -> count.getAndIncrement()); |
4132 |
+ |
complete.thenAcceptBoth(head, (x, y) -> count.getAndIncrement()); |
4133 |
+ |
complete.thenCombine(head, (x, y) -> count.getAndIncrement()); |
4134 |
+ |
|
4135 |
+ |
head.runAfterEither(new CompletableFuture<Void>(), () -> count.getAndIncrement()); |
4136 |
+ |
head.acceptEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement()); |
4137 |
+ |
head.applyToEither(new CompletableFuture<Void>(), (x) -> count.getAndIncrement()); |
4138 |
+ |
new CompletableFuture<Void>().runAfterEither(head, () -> count.getAndIncrement()); |
4139 |
+ |
new CompletableFuture<Void>().acceptEither(head, (x) -> count.getAndIncrement()); |
4140 |
+ |
new CompletableFuture<Void>().applyToEither(head, (x) -> count.getAndIncrement()); |
4141 |
+ |
} |
4142 |
+ |
head.complete(null); |
4143 |
+ |
assertEquals(5 * 3 * n, count.get()); |
4144 |
+ |
} |
4145 |
+ |
|
4146 |
+ |
// static <U> U join(CompletionStage<U> stage) { |
4147 |
+ |
// CompletableFuture<U> f = new CompletableFuture<>(); |
4148 |
+ |
// stage.whenComplete((v, ex) -> { |
4149 |
+ |
// if (ex != null) f.completeExceptionally(ex); else f.complete(v); |
4150 |
+ |
// }); |
4151 |
+ |
// return f.join(); |
4152 |
+ |
// } |
4153 |
+ |
|
4154 |
+ |
// static <U> boolean isDone(CompletionStage<U> stage) { |
4155 |
+ |
// CompletableFuture<U> f = new CompletableFuture<>(); |
4156 |
+ |
// stage.whenComplete((v, ex) -> { |
4157 |
+ |
// if (ex != null) f.completeExceptionally(ex); else f.complete(v); |
4158 |
+ |
// }); |
4159 |
+ |
// return f.isDone(); |
4160 |
+ |
// } |
4161 |
+ |
|
4162 |
+ |
// static <U> U join2(CompletionStage<U> stage) { |
4163 |
+ |
// return stage.toCompletableFuture().copy().join(); |
4164 |
+ |
// } |
4165 |
+ |
|
4166 |
+ |
// static <U> boolean isDone2(CompletionStage<U> stage) { |
4167 |
+ |
// return stage.toCompletableFuture().copy().isDone(); |
4168 |
+ |
// } |
4169 |
+ |
|
4170 |
|
} |