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From Gary Benson <>
Subject Re: t/modules/rewrite tweaking
Date Thu, 09 Aug 2001 11:24:44 GMT

On Thu, 9 Aug 2001, Stas Bekman wrote:

> Some methods of extreme programming suggest writing tests even before
> the code have been written

I tried this once, for the lexical parser in a desktop calculator program
I wrote. It is a really liberating experience, and leads to greater

If you have tests for everything that can go wrong (this being the
difficult bit), rather than saying "I think this change works: it doesn't
_seem_ to break anything", you merely run the tests over it and _know_
that it hasn't broken anything.

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