Which testing methodology includes the Cyclomatic Complexity method?
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Answer: B. White box
Explanation
White box testing methodology involves examining internal code structures and includes Cyclomatic Complexity. Testers use white box techniques to ensure all decision paths and logical branches are exercised thoroughly. Cyclomatic complexity metrics help determine the minimum number of test cases required for complete path coverage. White box testing requires access to source code and internal design documentation unlike black box methods. Thomas McCabe introduced cyclomatic complexity as a software metric to measure structural logical code difficulty. High cyclomatic complexity indicates difficult testability and increased risk of software defects during maintenance.
Safety critical software development standards often mandate specific white box test coverage thresholds. Developers write unit tests to achieve high branch coverage using white box analysis tools during builds. Code refactoring targets modules with excessive cyclomatic complexity to improve long term system maintainability. Yellow box testing is not a standard industry testing methodology recognized in formal software engineering. Gray box testing combines limited internal code knowledge with black box functional validation techniques. Black box testing evaluates software functionality against requirements without inspecting internal code logic.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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