Answer / saff

functional testing is part of system testing

system testing is testing the entire system by implemnting
different approcahes like say
GUI testing ,functioanl testing ,integration
testing ,interface testing
that is testing the applicationin different aspects

where as functioanlity testing is testing the
functioanlities means considere gmail login is on
functinality and sending mail is one ,loggind out these are
the functioanlities and verifying that there r workign is
functionality test and system testing includes the
functionaly testing and we check GUI which means for ex we
will check login buttonfor gmail account is displayed in
right place and format this is also checked in system
testing and all other like integration and other types of
testing



hope this helped u

Answer / vijay rao

Functional testing / component testing - testing each and
every component regoursly.

ex - If we take a login page in gmail.com, we test for
username field and password field by giving the
valid/expected/+ve data and as well as
invalid/unexpected/ -ve data


Integration testing - testing dataflow/integrity b/w 2
modules/features

ex - if we take a same gmail.com,say u loged in as A and
send a mail to B by giving all valid data in other fields
as per the SRS, now you click on send button,you should get
a conformation msg saying msg send successfully and chk in
sent items where that mail should reflect... now login as B
and chk whether you have recived a mail from A..
If everything is correct than integration test is
pass.. like this you can find many scenarios in just
COMPOSE button only, hope u got it.

system testing - it is nothing but end to end testing where
testing environment is just similar to that of prodcution
environment

here we dont concentrate much on either FT or IT, here we
test each business flow completely, ie we navigate through
all the features here.. if we take any task,we test that
from begining to end.

Answer / @mit

Thanks Saff & Vijay!!!!

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