[U-Boot] [PATCH] test: Add ut_assertnull macro

[Ramon Fried]

Hi Simon.
Would love to get this reviewed. can you assist ?
Thanks.
Ramon.

On Fri, Jun 22, 2018 at 12:47 AM Ramon Fried <ramon.fried at gmail.com> wrote:
>
> Add ut_assertnull macro to include/test/ut.h
> For testing of functions that returns NULL on errors.
>
> Signed-off-by: Ramon Fried <ramon.fried at gmail.com>
> ---
>  include/test/ut.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/include/test/ut.h b/include/test/ut.h
> index 59b23a25a4..fce75fd12a 100644
> --- a/include/test/ut.h
> +++ b/include/test/ut.h
> @@ -90,6 +90,18 @@ void ut_failf(struct unit_test_state *uts, const char *fname, int line,
>         }                                                               \
>  }
>
> +/* Assert that a pointer is NULL */
> +#define ut_assertnull(expr) {                                  \
> +       const void *val = (expr);                                       \
> +                                                                       \
> +       if (val != NULL) {                                              \
> +               ut_failf(uts, __FILE__, __LINE__, __func__,             \
> +                        #expr " != NULL",                              \
> +                        "Expected NULL, got %p", val);         \
> +               return CMD_RET_FAILURE;                                 \
> +       }                                                               \
> +}
> +
>  /* Assert that a pointer is not NULL */
>  #define ut_assertnonnull(expr) {                                       \
>         const void *val = (expr);                                       \
> --
> 2.17.1
>