Re: [PATCH 3/7] t4026: test "normal" color

> If the user specifiers "normal" for a foreground color, this
> should be a noop (while this may sound useless, it is the
> only way to specify an unchanged foreground color followed
> by a specific background color).
>
> We also check that color "-1" does the same thing. This is
> not documented, but has worked forever, so let's make sure
> we keep supporting it.

>
> Signed-off-by: Jeff King <peff@peff.net>
> ---
>  t/t4026-color.sh | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/t/t4026-color.sh b/t/t4026-color.sh
> index 3726a0e..63e4238 100755
> --- a/t/t4026-color.sh
> +++ b/t/t4026-color.sh
> @@ -53,6 +53,14 @@ test_expect_success '256 colors' '
>  	color "254 bold 255" "[1;38;5;254;48;5;255m"
>  '
>  
> +test_expect_success '"normal" yields no color at all"' '
> +	color "normal black" "[40m"
> +'
> +
> +test_expect_success '-1 is a synonym for "normal"' '
> +	color "-1 black" "[40m"
> +'
> +
>  test_expect_success 'color too small' '
>  	invalid_color "-2"
>  '