What is the purpose of unit testing in software development?
- To ensure compatibility with different operating systems
- To test the entire system as a whole
- To validate user interface design
- To verify the functionality of individual units/modules
Unit testing is focused on verifying the functionality of individual units or modules of code. It is performed early in the development process to detect and fix bugs at a granular level, ensuring that each unit of code functions as intended. This helps in improving code quality, identifying issues early, and facilitating easier integration with other components.
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