> REGRESSION TESTING AND ITS OBJECTIVE
-Regression testing is a type of software testing that seeks to uncover new ... the correctness of a program, but often also for tracking the quality of its output.
-Regression testing is a type of software testing that seeks to uncover new software bugs, or regressions, in existing functional and non-functional areas of a system after changes such as enhancements, patches or configuration changes have been made to them.
-To be used when there is high risk that new changes may affect unchanged areas of application software. Used in both development & maintenance phases of software
-- To ensure that older programs still work with new changes
-- To ensure that documents remain updated as per new software
-- To ensure that test-data & test-conditions remain updated as per changes