[PATCH v2] box: allow vinyl_memory set to 0 in config

[Vladimir Davydov]

On Wed, Jul 04, 2018 at 05:11:10PM +0300, Sergey Petrenko wrote:
> diff --git a/test/box-tap/cfg.test.lua b/test/box-tap/cfg.test.lua
> index b93a21f35..5608f6578 100755
> --- a/test/box-tap/cfg.test.lua
> +++ b/test/box-tap/cfg.test.lua
> @@ -6,7 +6,7 @@ local socket = require('socket')
>  local fio = require('fio')
>  local uuid = require('uuid')
>  local msgpack = require('msgpack')
> -test:plan(91)
> +test:plan(92)
> 
>  --------------------------------------------------------------------------------
>  -- Invalid values
> @@ -164,6 +164,13 @@ function run_script(code)
>      return res
>  end
> 
> +-- gh-3468: should allow box.cfg with vinyl_memory=0
> +code =[[
> +box.cfg{vinyl_memory=0}
> +os.exit(box.cfg.vinyl_memory == 0 and 0 or 1)
> +]]
> +test:is(run_script(code), 0, "actually set vinyl_memory to 0")

Looks good to me.