[PATCH 3/5] test: ipa: libipa: histogram: Add tests for quantile() returning a fraction

[Kieran Bingham]

Quoting Stefan Klug (2025-03-24 17:07:38)
> Add tests for quantile() returning a fractional value. These cases were
> fixed in the last commit.
> 
> Signed-off-by: Stefan Klug <stefan.klug at ideasonboard.com>
> ---
>  test/ipa/libipa/histogram.cpp | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/test/ipa/libipa/histogram.cpp b/test/ipa/libipa/histogram.cpp
> index 220a329e33b3..b96626054af0 100644
> --- a/test/ipa/libipa/histogram.cpp
> +++ b/test/ipa/libipa/histogram.cpp
> @@ -42,10 +42,19 @@ protected:
>                 ASSERT_EQ(hist.quantile(1.0), 2.0);
>                 ASSERT_EQ(hist.quantile(0.5), 1.0);
>  
> +               /* Test quantile in the middle of a bin. */
> +               ASSERT_EQ(hist.quantile(0.75), 1.5);
> +
> +               /* Test quantile smaller than the smallest histogram step. */
> +               ASSERT_EQ(hist.quantile(0.001), 0.002);
> +
>                 ASSERT_EQ(hist.interQuantileMean(0.0, 1.0), 1.0);
>                 ASSERT_EQ(hist.interQuantileMean(0.0, 0.5), 0.5);
>                 ASSERT_EQ(hist.interQuantileMean(0.5, 1.0), 1.5);
>  
> +               /* Test quantile means that are in the middle of the bins */
> +               ASSERT_EQ(hist.interQuantileMean(0.25, 0.75), 1.0);
> +

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

>                 return TestPass;
>         }
>  };
> -- 
> 2.43.0
>