| 4276 |
|
assertTrue(CompletableFuture.allOf(fs).cancel(false)); |
| 4277 |
|
} |
| 4278 |
|
|
| 4279 |
+ |
/** |
| 4280 |
+ |
* Checks for garbage retention when a dependent future is |
| 4281 |
+ |
* cancelled and garbage-collected. |
| 4282 |
+ |
* 8161600: Garbage retention when source CompletableFutures are never completed |
| 4283 |
+ |
* |
| 4284 |
+ |
* As of 2016-07, fails with OOME: |
| 4285 |
+ |
* ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck |
| 4286 |
+ |
*/ |
| 4287 |
+ |
public void testCancelledGarbageRetention() throws Throwable { |
| 4288 |
+ |
final int n = expensiveTests ? 100_000 : 10; |
| 4289 |
+ |
CompletableFuture<Integer> neverCompleted = new CompletableFuture<>(); |
| 4290 |
+ |
for (int i = 0; i < n; i++) |
| 4291 |
+ |
assertTrue(neverCompleted.thenRun(() -> {}).cancel(true)); |
| 4292 |
+ |
} |
| 4293 |
+ |
|
| 4294 |
|
// static <U> U join(CompletionStage<U> stage) { |
| 4295 |
|
// CompletableFuture<U> f = new CompletableFuture<>(); |
| 4296 |
|
// stage.whenComplete((v, ex) -> { |
