Regression testing
Regression testing
focuses on finding defects
after a major code change has occurred. Its specifically seeks to uncover
software regressions or old bugs that have come back.
These regressions happened
whenever software functionality that was previously working correctly stops working
as intended.
Regression occurs
as an unintended consequence of program changes, when the newly developed part
of the software collides with the previously existing code.
Common methods of regression testing include re running
previously run tests and checking whether previously fixed faults have re
emerged.
The depth of testing depends on the risk of the added features.
They
can either be complete for changes added late in the release or deemed to be
risky.
Other types of testing
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