regression testing - meaning and definition. What is regression testing
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What (who) is regression testing - definition


Regression testing         
CHECKING WHETHER CHANGES TO SOFTWARE HAVE BROKEN FUNCTIONALITY THAT USED TO WORK
Regression test; Treegression; Xrt programming; Regression Testing; Non-regression testing; Regression tests; Non-Regression testing; Regtest; RegTest; Reg test; Reg Test; Regression Test
Regression testing (rarely, non-regression testing) is re-running functional and non-functional tests to ensure that previously developed and tested software still performs after a change. If not, that would be called a regression.
regression testing         
CHECKING WHETHER CHANGES TO SOFTWARE HAVE BROKEN FUNCTIONALITY THAT USED TO WORK
Regression test; Treegression; Xrt programming; Regression Testing; Non-regression testing; Regression tests; Non-Regression testing; Regtest; RegTest; Reg test; Reg Test; Regression Test
<programming> Part of the test phase of software development where, as new modules are integrated into the system and the added functionality is tested, previously tested functionality is re-tested to assure that no new module has corrupted the system. [Bennatan, E.M., "Software Project Management", 2nd edition, McGraw-Hill International, 1992]. (1995-12-04)
Software regression         
SOFTWARE BUG THAT BREAKS PREVIOUSLY WORKING FUNCTIONALITY
Regression bugs; Regression bug; Regression (programming); Regression detection; Bug regression; Software performance regression
A software regression is a type of software bug where a feature that has worked before stops working. This may happen after changes are applied to the software's source code, including the addition of new features and bug fixes.