On Tue, Mar 28, 2006 at 05:47:29PM +0100, David Cantrell wrote: > Geoffrey Young wrote: > > >> "Only the simplest of designs benefits from pre-coded tests, unless you > >> have > >> unlimited developer time." > > needless to say I just don't believe this. > > Try writing a test suite ahead of time for a graphing library. It's > possible (indeed, it's trivial - just check the md5 hashes of the images > that are spat out against images that you have prepared ahead of time in > some other way) but it would be damnably time-consuming to create those > tests. Consequently, I've not bothered. I throw data at it, and look > at the results. If the results are good I then put an md5 hash of the > image into a regression test.
Strawman. A graphing library is an obvious example where functional testing should be used prior to automated regression testing. Ben