linux-kernel - Re: [PATCH v5 3/3] printf: implicate test line in failure messages

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Message-ID: <CAJ-ks9nA-393OaE8SbttaoQz9s8MUKqED5GNoh8tQyaJm-0GxQ@mail.gmail.com>
Date: Fri, 7 Mar 2025 11:24:34 -0500
From: Tamir Duberstein <tamird@...il.com>
To: Petr Mladek <pmladek@...e.com>
Cc: Arpitha Raghunandan <98.arpi@...il.com>, David Gow <davidgow@...gle.com>, 
	Steven Rostedt <rostedt@...dmis.org>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, 
	Rasmus Villemoes <linux@...musvillemoes.dk>, Sergey Senozhatsky <senozhatsky@...omium.org>, 
	Andrew Morton <akpm@...ux-foundation.org>, Shuah Khan <shuah@...nel.org>, 
	Jonathan Corbet <corbet@....net>, Geert Uytterhoeven <geert@...ux-m68k.org>, 
	Madhavan Srinivasan <maddy@...ux.ibm.com>, Michael Ellerman <mpe@...erman.id.au>, 
	Nicholas Piggin <npiggin@...il.com>, Christophe Leroy <christophe.leroy@...roup.eu>, 
	Naveen N Rao <naveen@...nel.org>, Brendan Higgins <brendan.higgins@...ux.dev>, 
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org, 
	linux-doc@...r.kernel.org, linux-m68k@...ts.linux-m68k.org, 
	linuxppc-dev@...ts.ozlabs.org
Subject: Re: [PATCH v5 3/3] printf: implicate test line in failure messages

On Fri, Mar 7, 2025 at 11:23 AM Petr Mladek <pmladek@...e.com> wrote:
>
> On Fri 2025-02-21 15:34:32, Tamir Duberstein wrote:
> > This improves the failure output by pointing to the failing line at the
> > top level of the test, e.g.:
> >       # test_number: EXPECTATION FAILED at lib/printf_kunit.c:103
> >   lib/printf_kunit.c:167: vsnprintf(buf, 256, "%#-12x", ...) wrote '0x1234abcd  ', expected '0x1234abce  '
> >       # test_number: EXPECTATION FAILED at lib/printf_kunit.c:142
> >   lib/printf_kunit.c:167: kvasprintf(..., "%#-12x", ...) returned '0x1234abcd  ', expected '0x1234abce  '
> >
> > Signed-off-by: Tamir Duberstein <tamird@...il.com>
>
> Just for record. I like this improvement. But  I am going to wait for the
> next version of the patchset which is going to add back the trailing '\n'.

👍