[racket] slides unit testing

On Jun 27, 2013, at 11:49 PM, Laurent wrote:

> 
> 
> 
> On Thu, Jun 27, 2013 at 9:08 PM, John Clements <clements at brinckerhoff.org> wrote:
> 
> On Jun 12, 2013, at 11:15 AM, Eric Tanter wrote:
> 
> > Hi,
> >
> > I remember that someone, some time ago (how precise!), posted on this list a link to a couple of slides that nicely and concisely illustrate the advantages of pure functions vs. impure ones when doing testing.
> 
> Sorry for the late link.  Pardon the egotism, but you *might* have been thinking of my short youtube video:
> 
> https://www.youtube.com/watch?v=kx1UbpWlKqo&feature=c4-overview&list=UUxmd9H0WC2vieAsgJVJ_pNA
> 
> It's called "Mutation and Testing".
> 
> Even in the case this is not what Éric was remembering, thanks for sharing it!
> 
> Also in the next video, "Use the stepper! Which is wonderful, because I wrote it." made my day :oD
>  
> It uses #lang slideshow slides; I'd be glad to share them.
> 
> Have you written some helpful helpers to draw the figures?
> (I think slideshow needs a lib for drawing diagrams, on top of `pin-arrow' and friends.)

A few custom-built abstractions (I don't just have a long list of coordinates), but nothing more general.

Thanks for your kind words!

John

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