From: Kent Beck <kentbeck@...>
Date: 2001-12-11T16:42:39+09:00
Subject: [ruby-talk:28182] Re: John Roth dolt (  Re: A challenge to proponents of Unit Testing. )


Vladimir <truediogen@my-deja.com> wrote in message
news:4837660.0112100622.31809760@posting.google.com...
> "David B Lightstone" <david.lightstone@prodigy.net> wrote in message
news:<je5Q7.350$lw2.92827794@newssvr16.news.prodigy.com>...
>
> > (3) Mr Beck may have determined that the customer can afford
> > to take the risk because the expected loss associated with
> > the pruned test cases is acceptable.
>
> also in case (3) Mr Beck should give a customer the worst case
> depiction which would state:
>
> "if you'll try to [do] anything our tests didn't do our high quality
system
> may crash on you."

How many tests would I need to write so I was willing to say that the system
*will* crash if they try a scenario not covered by the tests, and they
should pay me anyway? Enough tests so the MTBF of the system as a whole is
dramatically lower than the competition.

Kent