What is smoke/sanity testing?

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Smoke testing is a quick and shallow test to ensure the basic functionality of the software. Sanity testing is a subset of regression testing that checks if the bugs have been fixed and no new issues have been introduced.

Smoke testing is performed to check if the software is stable enough for further testing.
Sanity testing is performed after a new build is received to ensure that the critical functionalities are working as expected.
Smoke testing is a subset of sanity testing.
Smoke testing is usually performed manually.
Sanity testing can be automated.
Examples of smoke testing include checking if the application launches without crashing, if the login page is accessible, etc.
Examples of sanity testing include checking if the bugs reported in the previous build have been fixed, if the new features added are working as expected, etc.

What is smoke/sanity testing?

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