linux-kernel - Re: [PATCH v5 1/3] printf: convert self-test to KUnit

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Message-ID: <CAJ-ks9=YWas3fUeUOYLhivb+icMczafmfBopvS77-CCWQyKQBQ@mail.gmail.com>
Date: Fri, 7 Mar 2025 11:30:52 -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 1/3] printf: convert self-test to KUnit

On Fri, Mar 7, 2025 at 10:55 AM Petr Mladek <pmladek@...e.com> wrote:
>
> Honestly, I am not able to find how the KUNIT_FAIL() actually prints
> the message. I can't find how assert_format() is defined.

KUNIT_FAIL -> KUNIT_FAIL_ASSERTION -> _KUNIT_FAILED ->
__kunit_do_failed_assertion -> kunit_fail -> kunit_print_string_stream
-> kunit_err(test, "%s", buf);

So I agree that the trailing newline is just as necessary here as in
any other printk.