Editing System testing (section)

{{Short description|Testing conducted on a complete software system}}
{{see also|System integration testing}}
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'''System testing''', a.k.a. '''end-to-end (E2E) testing''', is testing conducted on a complete [[software system]].

System testing describes testing at the system level to contrast to testing at the [[system integration testing|system integration]], [[integration testing|integration]] or [[unit testing|unit]] level.

System testing often serves the purpose of evaluating the system's compliance with its specified [[requirements]] {{Citation needed|date=April 2008}} {{endash}} often from a [[Functional requirements|functional requirement specification]] (FRS), a [[Requirements analysis|system requirement specification]] (SRS), another type of specification or multiple. 

System testing can detect defects in the system as a whole.{{Citation needed|date=April 2008}} <ref>{{Cite web |title=ISTQB Standard glossary of terms used in Software Testing |url=https://glossary.istqb.org/en/search/}}</ref>

System testing can verify the design, the behavior and even the believed expectations of the customer. It is also intended to test up to and beyond the bounds of specified software and hardware requirements.{{Citation needed|date=April 2008}}