Unit tests in D

[Lutger]

bearophile wrote:

> Lutger:
...
>>rdmd has the option --main, together with -unittest you can easily do
>>this.<
> 
> This page doesn't list that option:
> http://www.digitalmars.com/d/2.0/rdmd.html
> 
> rdmd prints:
> --eval=code       evaluate code +� la perl -e (multiple --eval allowed)
> --loop            assume "foreach (line; stdin.byLine()) { ... }" for eval
> --main            add a stub main program to the mix (e.g. for unittesting)
> 
> I don't understand how to use those three switches. Do you know where I can
> find usage examples for those three?
> 
>   

I don't know. This is how you can unittest a single module:

rdmd --main -unittest test.d

it just links in a predefined .d file with a main() routine, that's all.