Discussion
In software testing, what is the purpose of regression testing ?
Answer: B
The purpose of regression testing is to verify that changes haven't broken existing functionality.
After a bug fix, a new feature or a configuration change, regression testing re-runs earlier test cases, usually automated, to check that features that used to work still do. It catches side effects of the change.
Testing new features is done by new test cases. Performance is tested by load and stress testing. Validating user requirements is the aim of acceptance testing.
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