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Difference between the Black box and White box testing

Black box testing:

  • Black box testing is the software testing method that is used to test the software without knowing the internal structure of the code or program.

  • This type of testing is carried out by testers.
  • Implementation Knowledge is not required to carry out Black Box Testing.
  • Programming Knowledge is not required to carry out Black Box Testing.
  • Testing is applicable on higher levels of testing like System Testing, Acceptance testing.
  • Black box testing means functional test or external testing. concentrated.
  • In Black Box testing is primarily concentrated on the functionality of the system under test.
  • The main aim of this testing is concentrated to check on what functionality is performing by the system under test.
  • Black Box testing can be started based on Requirement Specifications documents.
  • Functional testing, Behavior testing, and Close box testing is carried out under Black Box testing, so there is no requirement for programming knowledge.

White box testing:
  • White box testing is the software testing method in which internal structure is being known to a tester who is going to test the software.
  • Generally, this type of testing is carried out by software developers.
  • Implementation Knowledge is required to carry out White Box Testing.
  • Programming Knowledge is required to carry out White Box Testing.
  • Testing is applicable on the lower level of testing like Unit Testing, Integration testing.
  • White box testing means structural test or interior testing.
  • In White Box testing is primarily concentrated on the testing of program code of the system under test like code structure, branches, conditions, loops etc.
  • The main aim of White Box testing is to check on how the System is performing.
  • White Box testing can be started based on Detail Design documents
  • The structural testing, Logic testing, Path testing, Loop testing, Code coverage testing, Open box testing is carried out under White Box testing, so there is compulsory to know about programming knowledge system


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