4.1.2 Categories of Test Techniques and Their Characteristics

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Common characteristics of black-box test techniques include the following:

  • Test conditions, test cases, and test data are derived from a test basis that may include software requirements, specifications, use cases, and user stories
  • Test cases may be used to detect gaps between the requirements and the implementation of the requirements, as well as deviations from the requirements
  • Coverage is measured based on the items tested in the test basis and the technique applied to the test basis

Common characteristics of white-box test techniques include the following:

  • Test conditions, test cases, and test data are derived from a test basis that may include code, software architecture, detailed design, or any other source of information regarding the structure of the software
  • Coverage is measured based on the items tested within a selected structure (e.g., the code or interfaces)
  • Specifications are often used as an additional source of information to determine the expected outcome of test cases

Common characteristics of experience-based test techniques include the following:

  • Test conditions, test cases, and test data are derived from a test basis that may include knowledge and experience of testers, developers, users and other stakeholders

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