Software Engineering · Question 8 · Medium

What is the main purpose of regression testing?

To test the system under extreme load
To let end users test the software at their own site
To test each unit in isolation
To check that recent code changes have not broken features that previously worked

Answer and explanation

Answer: D. To check that recent code changes have not broken features that previously worked

Explanation: Regression testing re-runs existing tests after a change, such as a bug fix or new feature, to catch unintended side effects.

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