OSI protocols are a family of standards for information exchange. These were developed and designed by the International Organization of Standardization (ISO). In 1977 the ISO model was introduced, which consisted of seven different layers. This model has been criticized because of its technicality and limited features. Each layer of the ISO model...
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.
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.
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:
White-box testing complements unit testing, integration testing and regression testing
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