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root/jsr166/jsr166/src/test/tck/CompletableFutureTest.java
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Comparing jsr166/src/test/tck/CompletableFutureTest.java (file contents):
Revision 1.167 by jsr166, Sun Jul 17 17:49:23 2016 UTC vs.
Revision 1.168 by jsr166, Mon Jul 18 17:19:01 2016 UTC

# Line 4276 | Line 4276 | public class CompletableFutureTest exten
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 +     *
4283 +     * As of 2016-07, fails with OOME:
4284 +     * ant -Dvmoptions=-Xmx8m -Djsr166.expensiveTests=true -Djsr166.tckTestClass=CompletableFutureTest -Djsr166.methodFilter=testCancelledGarbageRetention tck
4285 +     */
4286 +    public void testCancelledGarbageRetention() throws Throwable {
4287 +        final int n = expensiveTests ? 100_000 : 10;
4288 +        CompletableFuture<Integer> neverCompleted = new CompletableFuture<>();
4289 +        for (int i = 0; i < n; i++)
4290 +            assertTrue(neverCompleted.thenRun(() -> {}).cancel(true));
4291 +    }
4292 +
4293   //     static <U> U join(CompletionStage<U> stage) {
4294   //         CompletableFuture<U> f = new CompletableFuture<>();
4295   //         stage.whenComplete((v, ex) -> {

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