Left Shift Testing
/left ʃɪft ˈtestɪŋ/
Definition
Moving testing earlier in the development lifecycle to catch bugs sooner and reduce the cost of fixing them.
Example in context
"Shift-left: devs write unit tests alongside code — bugs caught in development cost 10× less than in production."
Related terms
Practice this term
Master Left Shift Testing in context by working through exercises in the Testing & QA module. You'll see the term used in real engineering scenarios with multiple-choice, fill-in-the-blank, and matching drills.