It is testing of “how” the system works. Non functional testing may be performed at all test levels. The term non-functional testing describes the tests required to measure characteristics of systems and software that can be quantified on a varying scale, such as response times for performance testing. Types of Non-functional testing are performance testing, load testing, stress testing, usability testing, maintainability testing, reliability testing and portability testing.

One Response to “What is non functional testing in software testing?”

  1. axis tech Says:

    Testing the application against client’s and performance requirement. Non-Functioning testing is done based on the requirements and test scenarios defined by the client.


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