[2/2] oleacc: implemented GetRoleText[A/W] with tests

[Nikolay Sivov]

Dmitry Timoshkov wrote:
> "Nikolay Sivov" <bunglehead at gmail.com> wrote:
>
>> LoadStringA doesn't return necessary buffer length when called with 
>> (buflen = 0) but LoadStringW does.
>> Since I need to return a necessary buffer length from both 
>> GetRoleText[A/W] I used LoadStringW in both cases,
>> converting to multibyte in ansi call.
>
> I don't see in your tests that GetRoleText is supposed to return the 
> string
> length when it's called with buffer length set to 0.
>
GetRoleText supposed to return string length when buffer is NULL.
Cause there's no way to get this length by LoadStringA *without* passing 
a not-NULL pointer to buffer (I don't now how long should
it be) so I used LoadStringW for ansi call too.