Sanity and Smoke testing difference

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Sanity testing is a narrow and focused testing to check if the critical functionalities work correctly after changes. Smoke testing is a broader testing to check if the software build is stable enough for further testing.

Sanity testing is a subset of regression testing, focusing on specific areas of the application that were modified.
Smoke testing is performed to ensure the stability of the software build before proceeding with further testing.
Sanity testing is usually performed after a small change in code, while smoke testing is done after a major change or new build.
Example: Sanity testing would involve checking if a bug fix in a specific feature works as expected. Smoke testing would involve checking if the entire application launches without major issues.

Sanity and Smoke testing difference

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