Manual testing Interview questions

Total available count: 236
Subject - Software Testing
Subsubject - Manual testing

What are the roles of glass-box and black-box testing tools?

Black-box testing:
It is not based on knowledge of internal design or code. Tests are based on requirements and functionality. Black box testing is used to find the errors in the following.

  • Interface errors.
  • Performance errors.
  • Initialization errors.
  • Incorrect or missing functionality.
  • Errors while accessing external database.

Glass-box testing:
It is based on internal design of an application code. Tests are based on path coverage, branch coverage, and statement coverage. It is also known as White Box testing.

  • White box test cases can check for.
  • All independent paths with in a module are executed atleast once.
  • Execute all loops.
  • Exercises all logical decisions.
  • Exercise internal data structure to ensure their validity.

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