Re: [PATCH 1/4] selftests/nolibc: drop unused test helpers

From: Thomas Weißschuh
Date: Mon Jul 31 2023 - 03:10:47 EST


Note:

It seems your mail client does not add the prefix "Re: " to responses.
Is that intentional?

On 2023-07-31 14:48:26+0800, Zhangjin Wu wrote:
> Hi, Thomas
>
> > As we want to enable compiler warnings in the future these would be
> > reported as unused functions.
> >
> > If we need them in the future they are easy to recreate from their still
> > existing siblings.
> >
> > Signed-off-by: Thomas Weißschuh <linux@xxxxxxxxxxxxxx>
> > ---
> > tools/testing/selftests/nolibc/nolibc-test.c | 99 ----------------------------
> > 1 file changed, 99 deletions(-)
> >
> > diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
> > index 03b1d30f5507..53e2d448eded 100644
> > --- a/tools/testing/selftests/nolibc/nolibc-test.c
> > +++ b/tools/testing/selftests/nolibc/nolibc-test.c
> > @@ -161,31 +161,6 @@ static void result(int llen, enum RESULT r)
> > * of failures, thus either 0 or 1.
> > */
> >
> > -#define EXPECT_ZR(cond, expr) \
> > - do { if (!(cond)) result(llen, SKIPPED); else ret += expect_zr(expr, llen); } while (0)
> > -
> > -static int expect_zr(int expr, int llen)
> > -{
>
> Why not a simple 'static __attribute__((unused))' line, then, no need to
> add them again next time.
>
> -static int expect_zr(int expr, int llen)
> +static __attribute__((unused))
> +int expect_zr(int expr, int llen)
> {

Personally I don't like having dead code lying around that needs to be
maintained and skipped over while reading.
It's not a given that we will need those helpers in the future at all.

Thomas

>
> Thanks,
> Zhangjin
>
> > - int ret = !(expr == 0);
> > -
> > - llen += printf(" = %d ", expr);
> > - result(llen, ret ? FAIL : OK);
> > - return ret;
> > -}
> > -
> > -
> > -#define EXPECT_NZ(cond, expr, val) \
> > - do { if (!(cond)) result(llen, SKIPPED); else ret += expect_nz(expr, llen; } while (0)
> > -
> > -static int expect_nz(int expr, int llen)
> > -{
> > - int ret = !(expr != 0);
> > -
> > - llen += printf(" = %d ", expr);
> > - result(llen, ret ? FAIL : OK);
> > - return ret;
> > -}
> > -
> > [...]
> > --
> > 2.41.0
> >
> >