Re: [PATCH v2 08/22] pickaxe tests: test for -G, -S and --find-object incompatibility

> Add a test for the options sanity check added in 5e505257f2 (diff:
> properly error out when combining multiple pickaxe options,
> 2018-01-04).
>
> Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
> ---
>  t/t4209-log-pickaxe.sh | 11 +++++++++++
>  1 file changed, 11 insertions(+)
>
> diff --git a/t/t4209-log-pickaxe.sh b/t/t4209-log-pickaxe.sh
> index c6b4751d5b6..5ad4fad964c 100755
> --- a/t/t4209-log-pickaxe.sh
> +++ b/t/t4209-log-pickaxe.sh
> @@ -55,6 +55,17 @@ test_expect_success setup '
>  	git rev-parse --verify HEAD >expect_second
>  '
>  
> +test_expect_success 'usage' '
> +	test_expect_code 128 git log -Gregex -Sstring 2>err &&
> +	test_i18ngrep "mutually exclusive" err &&
> +
> +	test_expect_code 128 git log -Gregex --find-object=HEAD 2>err &&
> +	test_i18ngrep "mutually exclusive" err &&
> +
> +	test_expect_code 128 git log -Gstring --find-object=HEAD 2>err &&
> +	test_i18ngrep "mutually exclusive" err

> +'
> +
>  test_log	expect_initial	--grep initial
>  test_log	expect_nomatch	--grep InItial
>  test_log_icase	expect_initial	--grep InItial