Software Quality Assurance Questions Medium
Functional testing is a type of software testing that focuses on verifying the functionality of a system or application. It involves testing the individual functions or features of the software to ensure that they work as intended and meet the specified requirements.
During functional testing, the software is tested against the functional requirements and specifications to validate that it performs the expected tasks accurately and reliably. This testing technique aims to identify any defects or issues in the software's functionality, such as incorrect calculations, missing or broken features, or improper data handling.
Functional testing can be performed at various levels, including unit testing, integration testing, system testing, and acceptance testing. It involves creating test cases based on the functional requirements and executing them to validate the software's behavior. The test cases may include positive scenarios to ensure that the software functions correctly under normal conditions, as well as negative scenarios to test its error handling capabilities.
Common techniques used in functional testing include black-box testing, where the tester is unaware of the internal workings of the software, and white-box testing, where the tester has knowledge of the internal code and structure. Both techniques aim to ensure that the software functions correctly from the end-user's perspective.
Functional testing plays a crucial role in ensuring the overall quality and reliability of software. By thoroughly testing the functionality of the software, organizations can identify and fix any defects or issues before the software is released to end-users. This helps in delivering a high-quality product that meets the user's expectations and requirements.