bug: deviation from requirements vs deviation from expectations

Posted by user970696 on Programmers See other posts from Programmers or by user970696
Published on 2012-09-23T06:52:36Z Indexed on 2012/09/23 9:48 UTC
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testing

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specifications

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theory

I am not clear on this one. No matter the terminology, in the end the software fault/bug causes (according to a lot of sources):

Deviation from requirements
Devation from expectations

But if the expectations are not in requirements, then stakeholder could see a bug everywhere as he expected it to be like this or that..So how can I really know? I did read that specification can miss things and then of course its expected but not specified (by mistake).

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