Tuesday, March 31, 2009

Gray Box Testing

Black box testing is based on the software’s specifications or requirements, without reference to its internal workings. Gray box testing combines white box techniques with black box input testing. This method of testing explores paths that are directly accessible from user inputs or external interfaces to the software.

In a typical case, white box analysis is used to find vulnerable areas, and black box testing is then used to develop working attacks against these areas. The use of gray box techniques combines both white box and black box testing methods in a powerful way.

In order to implement Black Box Testing Strategy, the tester is needed to be thorough with the requirement specifications of the system and as a user, should know, how the system should behave in response to the particular action.

Various testing types that fall under the Black Box Testing strategy are: functional testing, stress testing, recovery testing, volume testing, User Acceptance Testing (also known as UAT), system testing, Sanity or Smoke testing, load testing, Usability testing, Exploratory testing, ad-hoc testing, alpha testing, beta testing etc.

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