White-Box Testing

What Does White-Box Testing Mean?

White-box testing is a methodology used to ensure and validate the internal framework, mechanisms, objects and components of a software application. White-box testing verifies code according to design specifications and uncovers application vulnerabilities.

Advertisements

White-box testing is also known as transparent box testing, clear box testing, structural testing and glass box testing. Glass box and clear box indicate that internal mechanisms are visible to a software engineering team.

Techopedia Explains White-Box Testing

During white-box testing, code is run with preselected input values for the validation of preselected output values. White-box testing often involves writing software code stubs and drivers.

White-box testing advantages include:

  • Enables test case reusability and delivers greater stability
  • Facilitates code optimization
  • Facilitates finding of the locations of hidden errors in early phases of development
  • Facilitates effective application testing
  • Removes unnecessary lines of code

Disadvantages include:

  • Requires a skilled tester with internal structure knowledge
  • Time consuming
  • High costs
  • Code bit validation is difficult.

White-box testing complements unit testing, integration testing and regression testing.

Advertisements

Related Terms

Margaret Rouse

Margaret Rouse is an award-winning technical writer and teacher known for her ability to explain complex technical subjects to a non-technical, business audience. Over the past twenty years her explanations have appeared on TechTarget websites and she's been cited as an authority in articles by the New York Times, Time Magazine, USA Today, ZDNet, PC Magazine and Discovery Magazine.Margaret's idea of a fun day is helping IT and business professionals learn to speak each other’s highly specialized languages. If you have a suggestion for a new definition or how to improve a technical explanation, please email Margaret or contact her…