What is the difference between smoke & sanity testing?

Question

Accepted Answer

Smoke testing is a quick and shallow test to check basic functionality, while sanity testing is a more thorough test to ensure system stability.

Smoke testing is done to check if the critical functionalities of the system are working or not.
Sanity testing is done to check if the system is stable enough to proceed with further testing.
Smoke testing is usually done after a build is deployed, while sanity testing is done after major changes are made to the system.
Smoke testing is a subset of sanity testing.
Example of smoke testing: checking if the login page is working.
Example of sanity testing: checking if the system can handle a large amount of data without crashing.

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