What is functional testing?

Question

Accepted Answer

Functional testing verifies that software functions according to specified requirements, ensuring it performs its intended tasks.

Focuses on user requirements and functionality of the application.
Involves testing features like login, data entry, and report generation.
Example: Testing if a user can successfully log in with valid credentials.
Can be manual or automated, using tools like Selenium or QTP.
Ensures that the software behaves as expected under various conditions.

Accepted Answer

Key Points:
Tests what the system does rather than how it does it.
Includes UI testing, API testing, database testing, and business logic validation.
Performed using manual testing or automation tools like Selenium, Postman, or JUnit.
Examples: Login verification, form validation, payment processing checks.

Accepted Answer

What is regression testing?

Accepted Answer

Functional Testing

Basically we are validating functionality of application as per customer requirement

and checking correctness and completeness of application.

It is a major part of black box testing technique

It is define different coverages like

behavioral coverage
during that validating property and behavior of object
Error handling coverage -
Incase of invalid input error should be display
Input domain coverage -
in that measure the size and type of input objects
It differentiate in terms of BVA and ECP
BVA - boundary value analysis
ECP - equivalence class partition
Backend database coverage-
we are validating whatever we are updating in frontend which is reflect in backend or not
service level coverage -
order of functionality means every functionality should be in proper order
calculation based coverage -
checking the output of airthmatic calculation

Accepted Answer

testing the functional features of application,that is page opening,navigation,upon number of user applicaion performance

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What is functional testing?

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