Benefits of Unit Testing

Some of the key benefits of Unit Testing include:

Trusted Code: Unit Testing is the best mechanism that a developer can use to make its code rock solid, by creating unit tests for all possible paths in a method the developer can ensure that it will not break for any valid inputs and will handle all invalid inputs gracefully.

Design and Specification: Developers can translate their understanding of the specifications into unit test. TDD approach.

Code Coverage and regression testing: They enable us to unambiguously pinpoint the occurrence of a bug, as well as point out inefficient lines of program code at the level of separate modules

Documentation: they can be considered as the documentation for correct program behavior.

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