@Override
  public final void isEqualTo(@Nullable Object other) {
    super.isEqualTo(other);
  }
@SuppressWarnings("TruthSelfEquals")
  @Test
  public void isEqualTo() {
    assertThat(1.23).isEqualTo(1.23);
    assertThatIsEqualToFails(GOLDEN, OVER_GOLDEN);
    assertThat(Double.POSITIVE_INFINITY).isEqualTo(Double.POSITIVE_INFINITY);
    assertThat(Double.NaN).isEqualTo(Double.NaN);
    assertThat((Double) null).isEqualTo(null);
    assertThat(1.0).isEqualTo(1);
  }