How to properly write tests for kernel functions

[Maxim Pugachev]

>> So, I'm wondering, whether there is an example or guidelines that is
>> worth to follow.
>
> It all depends on what you want to test.  There is no "general" way to
> do this as all subsystems / parts of the kernel are different.

I'd like to add more tests in lib/test-hexdump.c. To my mind, I have 2 options:
follow the current style, or perform a bit of reorganization. I'm
inclined to the
second one given that the addition of new tests may lead to unreadable code.
But I doubt which way is better in this case.