Re: [libgpiod][PATCH 1/2] tests: event: reading test coverage extended to cover reading a subset of available events

[Kent Gibson <warthog618@gmail.com>]

On Sat, Sep 12, 2020 at 10:22:47AM +0800, Kent Gibson wrote:
> Add tests for gpiod_line_event_read(), including reading multiple
> entries from the kernel event kfifo, and extend the existing
> read_multiple_event tests to read a subset of the available events as
> well as all the available events.
> 
> Signed-off-by: Kent Gibson <warthog618@gmail.com>
> ---
> 
> I have removed the usleep()s between setting the pulls on the mockup as
> I don't believe they are necessary.
> Setting the pulls results in serial writes to the debugfs, which the
> kernel should be able to deal with.
> Any queuing in the kernel that results should come out in the wash.
> 

I'm obviously missing something in the path from gpio-mockup to
gpiolib, as the tests fail in slower emulated environments :-(.
I'll put out a v2 with the usleep()s restored once I finish testing
in a more diverse set of environments.

Sorry for rushing this one out.

Cheers,
Kent.