assertCancelled(future, false);
    assertCancelled(delegate, false);
  }

  public void testSetFutureThenInterrupt() throws Exception {
    assertThat(future.setFuture(delegate)).isTrue();
    assertThat(future.cancel(true /* mayInterruptIfRunning */)).isTrue();
    assertCancelled(future, true);
    assertCancelled(delegate, true);
  }