What is functional testing in software testing?

Functional testing in software testing is "black box testing", which is to verify each function of the product. According to functional test cases, test one by one to check whether the product meets the functions required by the user. Functional testing only needs to consider each function that needs to be tested, and does not need to consider the internal structure and code of the entire software.

Functional testing is to verify each function of the product. According to functional test cases, test items one by one to check whether the product meets the functions required by users.

Functional testing (functional testing), also known as behavioral testing (behavioral testing), tests the features and operable behaviors of a product to determine that they meet design requirements based on product features, operation descriptions, and user scenarios. Functional testing of localized software to verify that an application or website works correctly for target users. Use appropriate platforms, browsers, and test scripts to guarantee that the experience for your target users will be good enough, as if the app was developed specifically for that market. Functional testing is the testing of software according to functional requirements to ensure that the program runs in the expected manner. It tests all features and functions of a system to ensure compliance with requirements and specifications.

Functional testing is also called black box testing or data-driven testing. It only needs to consider each function that needs to be tested, and does not need to consider the internal structure and code of the entire software. Generally, it starts from the interface and architecture of the software product, and based on the needs The written test cases and input data are evaluated between the expected results and the actual results, and then the products are proposed to better meet the user's requirements.

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