Which of these is not a regression test case?
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Answer: D. Low-level components are combined into clusters that perform a specific software sub-function
Explanation
Clustering low level components is an integration testing strategy rather than a valid regression test case. Regression testing involves re running existing test suites to ensure code modifications did not introduce new bugs. Valid regression cases include representative samples modified component tests and impacted function checks. Regression testing is a crucial quality assurance practice performed after any modification to source code. Integration testing strategies involve combining low level components into clusters to verify sub functions. Automated test runners execute regression suites rapidly to validate system stability during continuous integration.
Development teams build comprehensive regression test suites to catch unintended side effects from bug fixes. Continuous integration servers trigger regression tests automatically whenever new code is committed to branches. Understanding regression testing boundaries prevents engineers from confusing integration strategies with verification tests. A representative sample of tests exercising all functions is a valid regression test case category. Tests focusing on functions likely affected by changes represent valid regression testing strategies. Tests focusing on recently changed software components constitute standard regression test cases.
- Subject
- Computer Science
- Category
- Software Engineering
- Topic
- —
- Difficulty
- medium
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