Difference Between Black box Testing & White box Testing in Tabular Form

Black box testing is more high-level testing often used in penetration testing,find potential vulnerabilities with the end goal of patching them up, but can also be implemented during integration testing and system testing.

White box testing is generally considered to be low-level testing and can be performed on software before the user interface (UI) is developed, making it a wise measure to take in earlier phases of a software’s development.

Sr.NoBlack box TestingWhite box Testing
1.It is a software testing method in which the internal structure/ implementation / design of the item being tested is NOT known to the tester.It is a software testing method in which the internal structure/ implementation / design of the item being tested is KNOWN to the tester.
2.This type of testing is carried oout by Testers.This type of testing is carried oout by Software Developers.
3.Programming knowledge is not required to perform black box Testing.Programming knowledge is required to perform black box Testing.
4.Implementation knowledge is not required to perform black box Testing.Implementation knowledge is required to perform black box Testing.
5.It is based on Requirement Specifications documents.It is based on Detatiled designed documents.
6.It concentrates on the functionality of the system under test.It concentrates on the testing of code of system under test like loops,branches,conditions etc.
7.It means functional testing or external testing.It means structural testing or internal testing.
8.Under this testing,Functional testing, Behavior testing, Close box testing is carried out.Under this testing,Structural testing, Logic testing, Path testing, Loop testing, Code coverage testing, Open box testing is carried out.
9.It concentrates on what functionality is performing by the system under test.It concentrates on how System is performing.
10.It is applicable on higher levels of testing like System Testing, Acceptance testing.It is applicable on lower level of testing like Unit Testing, Integration testing.
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3 thoughts on “Black box Testing & White box Testing

  • 18/12/2018 at 4:25 pm
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    Increadible post ..!!! The information that you provided on white box testing and black box testing was very useful to me.keep writing..!!

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