| 550 |
|
} |
| 551 |
|
} |
| 552 |
|
|
| 553 |
+ |
static class CountingRejectingExecutor implements Executor { |
| 554 |
+ |
final RejectedExecutionException ex = new RejectedExecutionException(); |
| 555 |
+ |
final AtomicInteger count = new AtomicInteger(0); |
| 556 |
+ |
public void execute(Runnable r) { |
| 557 |
+ |
count.getAndIncrement(); |
| 558 |
+ |
throw ex; |
| 559 |
+ |
} |
| 560 |
+ |
} |
| 561 |
+ |
|
| 562 |
|
// Used for explicit executor tests |
| 563 |
|
static final class ThreadExecutor implements Executor { |
| 564 |
|
final AtomicInteger count = new AtomicInteger(0); |
| 1243 |
|
r.assertInvoked(); |
| 1244 |
|
}} |
| 1245 |
|
|
| 1246 |
+ |
public void testRunAsync_rejectingExecutor() { |
| 1247 |
+ |
CountingRejectingExecutor e = new CountingRejectingExecutor(); |
| 1248 |
+ |
try { |
| 1249 |
+ |
CompletableFuture.runAsync(() -> {}, e); |
| 1250 |
+ |
shouldThrow(); |
| 1251 |
+ |
} catch (Throwable t) { |
| 1252 |
+ |
assertSame(e.ex, t); |
| 1253 |
+ |
} |
| 1254 |
+ |
|
| 1255 |
+ |
assertEquals(1, e.count.get()); |
| 1256 |
+ |
} |
| 1257 |
+ |
|
| 1258 |
|
/** |
| 1259 |
|
* supplyAsync completes with result of supplier |
| 1260 |
|
*/ |
| 1289 |
|
r.assertInvoked(); |
| 1290 |
|
}} |
| 1291 |
|
|
| 1292 |
+ |
public void testSupplyAsync_rejectingExecutor() { |
| 1293 |
+ |
CountingRejectingExecutor e = new CountingRejectingExecutor(); |
| 1294 |
+ |
try { |
| 1295 |
+ |
CompletableFuture.supplyAsync(() -> null, e); |
| 1296 |
+ |
shouldThrow(); |
| 1297 |
+ |
} catch (Throwable t) { |
| 1298 |
+ |
assertSame(e.ex, t); |
| 1299 |
+ |
} |
| 1300 |
+ |
|
| 1301 |
+ |
assertEquals(1, e.count.get()); |
| 1302 |
+ |
} |
| 1303 |
+ |
|
| 1304 |
|
// seq completion methods |
| 1305 |
|
|
| 1306 |
|
/** |
| 3354 |
|
* Test submissions to an executor that rejects all tasks. |
| 3355 |
|
*/ |
| 3356 |
|
public void testRejectingExecutor() { |
| 3324 |
– |
final RejectedExecutionException ex = new RejectedExecutionException(); |
| 3325 |
– |
final Executor e = (Runnable r) -> { throw ex; }; |
| 3326 |
– |
|
| 3357 |
|
for (Integer v : new Integer[] { 1, null }) { |
| 3358 |
|
|
| 3359 |
+ |
final CountingRejectingExecutor e = new CountingRejectingExecutor(); |
| 3360 |
+ |
|
| 3361 |
|
final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v); |
| 3362 |
|
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
| 3363 |
|
|
| 3387 |
|
|
| 3388 |
|
for (CompletableFuture<?> future : fs) { |
| 3389 |
|
if (src.isDone()) |
| 3390 |
< |
checkCompletedWithWrappedException(future, ex); |
| 3390 |
> |
checkCompletedWithWrappedException(future, e.ex); |
| 3391 |
|
else |
| 3392 |
|
checkIncomplete(future); |
| 3393 |
|
} |
| 3424 |
|
fs.add(incomplete.runAfterEitherAsync(complete, () -> {}, e)); |
| 3425 |
|
|
| 3426 |
|
for (CompletableFuture<?> future : fs) |
| 3427 |
< |
checkCompletedWithWrappedException(future, ex); |
| 3427 |
> |
checkCompletedWithWrappedException(future, e.ex); |
| 3428 |
|
futures.addAll(fs); |
| 3429 |
|
} |
| 3430 |
|
|
| 3431 |
|
incomplete.complete(v); |
| 3432 |
|
|
| 3433 |
|
for (CompletableFuture<?> future : futures) |
| 3434 |
< |
checkCompletedWithWrappedException(future, ex); |
| 3434 |
> |
checkCompletedWithWrappedException(future, e.ex); |
| 3435 |
> |
|
| 3436 |
> |
assertEquals(futures.size(), e.count.get()); |
| 3437 |
> |
|
| 3438 |
> |
} |
| 3439 |
> |
} |
| 3440 |
> |
|
| 3441 |
> |
/** |
| 3442 |
> |
* Test submissions to an executor that rejects all tasks, but |
| 3443 |
> |
* should never be invoked because the dependent future is |
| 3444 |
> |
* explicitly completed. |
| 3445 |
> |
*/ |
| 3446 |
> |
public void testRejectingExecutorNeverInvoked() { |
| 3447 |
> |
final CountingRejectingExecutor e = new CountingRejectingExecutor(); |
| 3448 |
> |
|
| 3449 |
> |
for (Integer v : new Integer[] { 1, null }) { |
| 3450 |
> |
|
| 3451 |
> |
final CompletableFuture<Integer> complete = CompletableFuture.completedFuture(v); |
| 3452 |
> |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
| 3453 |
> |
|
| 3454 |
> |
List<CompletableFuture<?>> futures = new ArrayList<>(); |
| 3455 |
> |
|
| 3456 |
> |
List<CompletableFuture<Integer>> srcs = new ArrayList<>(); |
| 3457 |
> |
srcs.add(complete); |
| 3458 |
> |
srcs.add(incomplete); |
| 3459 |
> |
|
| 3460 |
> |
List<CompletableFuture<?>> fs = new ArrayList<>(); |
| 3461 |
> |
fs.add(incomplete.thenRunAsync(() -> {}, e)); |
| 3462 |
> |
fs.add(incomplete.thenAcceptAsync((z) -> {}, e)); |
| 3463 |
> |
fs.add(incomplete.thenApplyAsync((z) -> z, e)); |
| 3464 |
> |
|
| 3465 |
> |
fs.add(incomplete.thenCombineAsync(incomplete, (x, y) -> x, e)); |
| 3466 |
> |
fs.add(incomplete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e)); |
| 3467 |
> |
fs.add(incomplete.runAfterBothAsync(incomplete, () -> {}, e)); |
| 3468 |
> |
|
| 3469 |
> |
fs.add(incomplete.applyToEitherAsync(incomplete, (z) -> z, e)); |
| 3470 |
> |
fs.add(incomplete.acceptEitherAsync(incomplete, (z) -> {}, e)); |
| 3471 |
> |
fs.add(incomplete.runAfterEitherAsync(incomplete, () -> {}, e)); |
| 3472 |
> |
|
| 3473 |
> |
fs.add(incomplete.thenComposeAsync((z) -> null, e)); |
| 3474 |
> |
fs.add(incomplete.whenCompleteAsync((z, t) -> {}, e)); |
| 3475 |
> |
fs.add(incomplete.handleAsync((z, t) -> null, e)); |
| 3476 |
> |
|
| 3477 |
> |
fs.add(complete.thenCombineAsync(incomplete, (x, y) -> x, e)); |
| 3478 |
> |
fs.add(incomplete.thenCombineAsync(complete, (x, y) -> x, e)); |
| 3479 |
> |
|
| 3480 |
> |
fs.add(complete.thenAcceptBothAsync(incomplete, (x, y) -> {}, e)); |
| 3481 |
> |
fs.add(incomplete.thenAcceptBothAsync(complete, (x, y) -> {}, e)); |
| 3482 |
> |
|
| 3483 |
> |
fs.add(complete.runAfterBothAsync(incomplete, () -> {}, e)); |
| 3484 |
> |
fs.add(incomplete.runAfterBothAsync(complete, () -> {}, e)); |
| 3485 |
> |
|
| 3486 |
> |
for (CompletableFuture<?> future : fs) |
| 3487 |
> |
checkIncomplete(future); |
| 3488 |
> |
|
| 3489 |
> |
for (CompletableFuture<?> future : fs) |
| 3490 |
> |
future.complete(null); |
| 3491 |
> |
|
| 3492 |
> |
incomplete.complete(v); |
| 3493 |
> |
|
| 3494 |
> |
for (CompletableFuture<?> future : fs) |
| 3495 |
> |
checkCompletedNormally(future, null); |
| 3496 |
> |
|
| 3497 |
> |
assertEquals(0, e.count.get()); |
| 3498 |
> |
|
| 3499 |
|
} |
| 3500 |
|
} |
| 3501 |
|
|
| 4170 |
|
assertEquals(5 * 3 * n, count.get()); |
| 4171 |
|
} |
| 4172 |
|
|
| 4173 |
+ |
/** ant -Dvmoptions=-Xmx8m -Djsr166.tckTestClass=CompletableFutureTest tck */ |
| 4174 |
+ |
public void testCoCompletionGarbage() throws Throwable { |
| 4175 |
+ |
// final int n = 3_000_000; |
| 4176 |
+ |
final int n = 100; |
| 4177 |
+ |
final CompletableFuture<Integer> incomplete = new CompletableFuture<>(); |
| 4178 |
+ |
CompletableFuture<Integer> f; |
| 4179 |
+ |
for (int i = 0; i < n; i++) { |
| 4180 |
+ |
f = new CompletableFuture<>(); |
| 4181 |
+ |
f.runAfterEither(incomplete, () -> {}); |
| 4182 |
+ |
f.complete(null); |
| 4183 |
+ |
|
| 4184 |
+ |
f = new CompletableFuture<>(); |
| 4185 |
+ |
f.acceptEither(incomplete, (x) -> {}); |
| 4186 |
+ |
f.complete(null); |
| 4187 |
+ |
|
| 4188 |
+ |
f = new CompletableFuture<>(); |
| 4189 |
+ |
f.applyToEither(incomplete, (x) -> x); |
| 4190 |
+ |
f.complete(null); |
| 4191 |
+ |
|
| 4192 |
+ |
f = new CompletableFuture<>(); |
| 4193 |
+ |
CompletableFuture.anyOf(new CompletableFuture<?>[] { f, incomplete }); |
| 4194 |
+ |
f.complete(null); |
| 4195 |
+ |
} |
| 4196 |
+ |
|
| 4197 |
+ |
for (int i = 0; i < n; i++) { |
| 4198 |
+ |
f = new CompletableFuture<>(); |
| 4199 |
+ |
incomplete.runAfterEither(f, () -> {}); |
| 4200 |
+ |
f.complete(null); |
| 4201 |
+ |
|
| 4202 |
+ |
f = new CompletableFuture<>(); |
| 4203 |
+ |
incomplete.acceptEither(f, (x) -> {}); |
| 4204 |
+ |
f.complete(null); |
| 4205 |
+ |
|
| 4206 |
+ |
f = new CompletableFuture<>(); |
| 4207 |
+ |
incomplete.applyToEither(f, (x) -> x); |
| 4208 |
+ |
f.complete(null); |
| 4209 |
+ |
|
| 4210 |
+ |
f = new CompletableFuture<>(); |
| 4211 |
+ |
CompletableFuture.anyOf(new CompletableFuture<?>[] { incomplete, f }); |
| 4212 |
+ |
f.complete(null); |
| 4213 |
+ |
} |
| 4214 |
+ |
} |
| 4215 |
+ |
|
| 4216 |
|
// static <U> U join(CompletionStage<U> stage) { |
| 4217 |
|
// CompletableFuture<U> f = new CompletableFuture<>(); |
| 4218 |
|
// stage.whenComplete((v, ex) -> { |
