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Manual-Testing - What is functionality testing? what is system testing? does system testing involves functionality testing?




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asked marvit October 11, 2014 10:26 AM  

What is functionality testing? what is system testing? does system testing involves functionality testing?


           

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answered By cipher   0  

Functional testing : It is a quality assurance (QA) process and a type of black box testing that bases its test cases on the specifications of the software component under test.

Functions are tested by feeding them input and examining the output, and internal program structure is rarely considered (not like in white-box testing).Functional Testing usually describes what the system does.

Functional testing differs from system testing in that functional testing "verifies a program by checking it against design document or specification", while system testing "validate a program by checking it against the published user or system requirements.

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