Smoke testing is also called sanity testing? Why?

Answer Posted / nishi kant kumar

its not right to say that smoke testing and sanity testing
is same. both are different in some context. sanity testing
comes first and then smoke testing. sanity testing is the
initial level of testing required if the functionality
which is being tested passes through this test then it will
go for the next level of testing.
THE BASIC DIFFERENCE BETWEEN THEM ARE :
(1)
Smoke testing originated in the hardware testing practice
of turning on a new piece of hardware for the first time
and considering it a success if it does not catch fire and
smoke. In software industry, smoke testing is a shallow
and wide approach whereby all areas of the application
without getting into too deep, is tested.

WHERE AS

A sanity test is a narrow regression test that focuses on
one or a few areas of functionality. Sanity testing is
usually narrow and deep.

(2)
A smoke test is scripted--either using a written set of
tests or an automated test

WHERE AS

A sanity test is usually unscripted

(3)
A Smoke test is designed to touch every part of the
application in a cursory way. It's is shallow and wide.

WHERE AS

A Sanity test is used to determine a small section of the
application is still working after a minor change.

(4)
Smoke testing will be conducted to ensure whether the most
crucial functions of a program work, but not bothering with
finer details. (Such as build verification).

WHERE AS

Sanity testing is a cursory testing; it is performed
whenever a cursory testing is sufficient to prove the
application is functioning according to specifications.
This level of testing is a subset of regression testing.

SO THESE ARE THE GENERAL DIFFERENCE

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