There is a bug for '-unittest'?

[FrankLike via Digitalmars-d-learn]

On Tuesday, 26 August 2014 at 13:49:39 UTC, ketmar via 
Digitalmars-d-learn wrote:
> On Tue, 26 Aug 2014 13:38:17 +0000
> FrankLike via Digitalmars-d-learn 
> <digitalmars-d-learn at puremagic.com>
> wrote:
>
>> dmd -unittest a.d
> so? you compiled the code. but you need to run the resulting 
> .exe to
> invoke unittests.
>
> or just use 'rdmd' instead.

Thank you,l  use it   by d.chm.