functional testing vs non functional testing in software testing

By | May 1, 2023

In this post I have written the key difference between functional testing vs non functional testing in software testing

There are 2 broad categories in software testing such as functional testing and non-functional testing

Sr NoFunctional TestingNon-Functional Testing
1Verifies that the software meets functional requirements such as user interface, database operations, etcVerifies that the software meets non-functional requirements such as performance, security, usability, accessibility, etc.
2Tests Performed by functional testers or QA engineersTesters performed by specialized testers or experts in the respective non-functional areas
3Examples of functional testing include unit testing, integration testing, system testing, acceptance testing, etcExamples of non-functional testing include load testing, stress testing, security testing, usability testing, accessibility testing etc.
4Measures the software’s correctness and completenessMeasures the software’s efficiency, reliability, and usability
5Validates inputs and outputs of the softwareValidates how well the software performs under specific conditions

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