Stefan Beller <sbel...@google.com> writes:

> The 'expect'ed outcome has been taken by running the 'range-diff | decode'.
>
> Signed-off-by: Stefan Beller <sbel...@google.com>
> ---
>  t/t3206-range-diff.sh | 39 +++++++++++++++++++++++++++++++++++++++
>  1 file changed, 39 insertions(+)
>
> diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
> index 2237c7f4af9..019724e61a0 100755
> --- a/t/t3206-range-diff.sh
> +++ b/t/t3206-range-diff.sh
> @@ -142,4 +142,43 @@ test_expect_success 'changed message' '
>       test_cmp expected actual
>  '
>  
> +test_expect_success 'dual-coloring' '
> +     cat >expect <<-\EOF &&

It is a good idea to use something like "sed -e 's/^|//'" instead of
"cat" here; that way allows you to mark the left-edge of the data
with "|", for a test vector like this one that has a line that would
otherwise violate the whitespace style rules.  

An inferiour alternative would be to add .gitaddtibute entry to make
this file exempt from indent-with-tab rule, but even in this 40-line
block there only is one line that requires such a workaround, and it
won't help the initial application of this patch to get modified
when applied with "am --whitespace=fix".

> +     <YELLOW>1:  a4b3333 = 1:  f686024 s/5/A/<RESET>
> +     <RED>2:  f51d370 <RESET><YELLOW>!<RESET><GREEN> 2:  
> 4ab067d<RESET><YELLOW> s/4/A/<RESET>
> +         <REVERSE><CYAN>@@ -2,6 +2,8 @@<RESET>
> +          <RESET>
> +              s/4/A/<RESET>
> +          <RESET>
> +         <REVERSE><GREEN>+<RESET> <BOLD>   Also a silly comment here!<RESET>
> +         <REVERSE><GREEN>+<RESET>
> +          diff --git a/file b/file<RESET>
> +         <RED> --- a/file<RESET>
> +         <GREEN> +++ b/file<RESET>
> +     <RED>3:  0559556 <RESET><YELLOW>!<RESET><GREEN> 3:  
> b9cb956<RESET><YELLOW> s/11/B/<RESET>
> +         <REVERSE><CYAN>@@ -10,7 +10,7 @@<RESET>
> +           9<RESET>
> +           10<RESET>
> +         <RED> -11<RESET>
> +         <REVERSE><RED>-<RESET><FAINT;GREEN>+BB<RESET>
> +         <REVERSE><GREEN>+<RESET><BOLD;GREEN>+B<RESET>
> +           12<RESET>
> +           13<RESET>
> +           14<RESET>
> +     <RED>4:  d966c5c <RESET><YELLOW>!<RESET><GREEN> 4:  
> 8add5f1<RESET><YELLOW> s/12/B/<RESET>
> +         <REVERSE><CYAN>@@ -8,7 +8,7 @@<RESET>
> +         <CYAN> @@<RESET>
> +           9<RESET>
> +           10<RESET>
> +         <REVERSE><RED>-<RESET><FAINT> BB<RESET>
> +         <REVERSE><GREEN>+<RESET> <BOLD>B<RESET>
> +         <RED> -12<RESET>
> +         <GREEN> +B<RESET>
> +           13<RESET>
> +     EOF
> +     git range-diff changed...changed-message --color --dual-color 
> >actual.raw &&
> +     test_decode_color >actual <actual.raw &&
> +     test_cmp expect actual
> +'
> +
>  test_done

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