What is functionality testing in software?

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Functionality testing is performed to verify that a software application performs and functions correctly according to design specifications.



The following is needed to be checked during the functionality testing:
  • Installation and setup on localized machines running localized operating systems and local code pages.
  • Text input, including the use of extended characters or non-Latin scripts.
  • Core application functions.
  • String handling, text, and data, especially when interfacing with non-Unicode applications or modules.
  • Regional settings defaults.
  • Text handling (such as copying, pasting, and editing) of extended characters, special fonts, and non-Latin scripts.
  • Accurate hot-key shortcuts without any duplication.

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