Difference between white box and black box techniques

Manual testing 0 Comment 15
Criteria Black Box Testing White Box Testing
Definition Black Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is NOT known to the tester White Box Testing is a software testing method in which the internal structure/ design/ implementation of the item being tested is known to the tester.
   Also called as Box testing,Glass box testing,Transperant box testing and structural testing. Specifications based Testing.
Levels Applicable To Mainly applicable to higher levels of testing:Acceptance Testing , System Testing Mainly applicable to lower levels of testing:Unit Testing , Integration Testing
Programming Knowledge Not Required  Required
Implementation Knowledge Not Required  Required
Based on Internal paths,code structure and implementation of software being tested.  It does not require any internal paths,code structure and implementation of software being tested.
Basis for Test Cases Requirement Specifications Detail Design

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