: Final verification (often by the user) to determine if the system is ready for deployment.
: A detailed set of conditions, steps, and expected results used to validate a specific functionality. Software Testing
: Validating the smallest testable components (functions or classes) in isolation. : Final verification (often by the user) to
: Testing the complete, integrated system to verify end-to-end performance and functionality. : Testing the complete, integrated system to verify
: Verification asks, "Are we building the product right?" (checking against specifications), while validation asks, "Are we building the right product?" (ensuring it meets user needs).
: A flaw in the software that causes it to deviate from its expected behavior. Levels of Testing
Software testing is the systematic process of evaluating an application to ensure it meets requirements and functions correctly by identifying bugs or missing features . It is a critical phase of the that aims to reduce the risk of failure in operation. Core Concepts and Definitions