1, NEGATIVE_INFINITY, // interpolating between NEGATIVE_INFINITY and 1.0
            2, 1.0,
            8, 4.0,
            9, 4.5,
            10, 5.0);
  }

  public void testScale_index_compute_doubleCollection_negativeInfinity() {
    // interpolating between NEGATIVE_INFINITY and 1.0
    assertThat(Quantiles.scale(10).index(1).compute(ONE_TO_FIVE_AND_NEGATIVE_INFINITY))
        .isNegativeInfinity();
  }