[Mono-list] number formatting

[Derek Holden]

> What about:
>
> for (int n = -10000; n < 10000; n++)
> Assert ( [microsoft's] n.ToString(format) == [mono's] n.ToString(format) )
>

Yeah, I just didn't know if the tests needed to be stand alone and run
without having access to ms' implementations.

> Could you post your test, or check it into CVS?
>

Will do.