public DoubleArrayAsIterable usingTolerance(double tolerance) {
    return new DoubleArrayAsIterable(tolerance(tolerance), iterableSubject());
  }
@Test
  public void usingTolerance_contains_successWithNegativeZero() {
    assertThat(array(1.1, -0.0, 3.3)).usingTolerance(0.0).contains(0.0);
  }