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Testing what the system does, based on analysis of specified requirements.
Functional testing is concerned with WHAT the system must do to achieve its objectives, as defined in business requirements, functional specifications, use cases, business process models, etc.
It considers the external behaviour of the software, hence is black-box testing.
Functional testing is usually associated with data manipulation, such as input, validation, processing, storage and output.
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Rogerio da Silva is a Brazilian who lives in the UK for a little over two decades. He is the owner of a test consulting and outsources services for software development. He likes to blog, write and create content that teaches others how to live a better life. Rogerio has two princesses and one powerful wife that help him with his work.
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