derived.cancel(false);
    assertTrue(primary.isCancelled());
    assertFalse(primary.wasInterrupted());
  }

  @J2ktIncompatible
  @GwtIncompatible // mocks
  // TODO(cpovirk): eliminate use of mocks
  public void testCatchingAsync_resultCancelledAfterFallback() throws Exception {
    final SettableFuture<Integer> secondary = SettableFuture.create();

   * of reads may not be immediately reflected on the algorithm's data structures. These structures
   * are guarded by a lock and operations are applied in batches to avoid lock contention. The
   * penalty of applying the batches is spread across threads so that the amortized cost is slightly
   * higher than performing just the operation without enforcing the capacity constraint.

    derived.cancel(false);
    assertTrue(primary.isCancelled());
    assertFalse(primary.wasInterrupted());
  }

  @J2ktIncompatible
  @GwtIncompatible // mocks
  // TODO(cpovirk): eliminate use of mocks
  public void testCatchingAsync_resultCancelledAfterFallback() throws Exception {
    final SettableFuture<Integer> secondary = SettableFuture.create();

   * of reads may not be immediately reflected on the algorithm's data structures. These structures
   * are guarded by a lock and operations are applied in batches to avoid lock contention. The
   * penalty of applying the batches is spread across threads so that the amortized cost is slightly
   * higher than performing just the operation without enforcing the capacity constraint.