Friday, September 11, 2009

Is code coverage usefull for measuring software quality?

There is a lot of debate going on how much percentage should be attained. But first however is code coverage a good measurement or quality? In my personal opinion it is very usefull if an historical trend is kept. if coverage drops over time this migt be an indicator of issues tha are arising somewhere else... not enough time, quick and dirty hacks,...

But how much is enough? this like almost everything in software development is offcourse it depends. I think it largely depends on the type of application you are building, if it is ver largely dependant on workflows and long running processes the significance is going to be less then when you are doing a lot of calculations. And offcourse code coverage does not cover 1 thing which is quite important and usually the root of all evil: missing requirements :)

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