What is the difference between positive testing and negative testing?

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What is the difference between positive testing and negative testing?

Positive testing is a type of software testing where the system is tested with valid and expected inputs to ensure that it functions correctly and produces the desired outputs. It focuses on validating the system's ability to handle valid inputs and perform as intended.

On the other hand, negative testing is a type of software testing where the system is tested with invalid and unexpected inputs to check how it handles such scenarios. It aims to identify any vulnerabilities, errors, or unexpected behavior in the system when faced with invalid inputs or unusual conditions.

In summary, the main difference between positive testing and negative testing lies in the type of inputs used. Positive testing focuses on valid inputs to ensure correct functionality, while negative testing focuses on invalid inputs to identify potential issues or weaknesses in the system.