linux-kernel - Re: [PATCH] string: Implement KUnit test for str*cmp functions

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Message-ID: <Zh_cgnMOFHuP-lKu@smile.fi.intel.com>
Date: Wed, 17 Apr 2024 17:28:18 +0300
From: Andy Shevchenko <andy@...nel.org>
To: Ivan Orlov <ivan.orlov0322@...il.com>
Cc: keescook@...omium.org, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org,
	skhan@...uxfoundation.org
Subject: Re: [PATCH] string: Implement KUnit test for str*cmp functions

On Wed, Apr 17, 2024 at 02:54:15PM +0100, Ivan Orlov wrote:
> Currently, str*cmp functions (strcmp, strncmp, strcasecmp and
> strncasecmp) are not covered with tests. Implement the test which
> covers them all.
> 
> The strcmp test suite consist of 8 test cases:
> 
> 1) strcmp test
> 2) strcmp test on long strings (2048 chars)
> 3) strncmp test
> 4) strncmp test on long strings (2048 chars)
> 5) strcasecmp test
> 6) strcasecmp test on long strings
> 7) strncasecmp test
> 8) strncasecmp test on long strings
> 
> The test aims at covering as many edge cases as possible, including
> the tests on empty strings, situations when the different symbol is
> placed at the end of one of the strings, etc.

..

>  lib/strcmp_kunit.c | 170 +++++++++++++++++++++++++++++++++++++++++++++

Why is not part of the existing string_kunit.c?

-- 
With Best Regards,
Andy Shevchenko