What is the difference between function testing and system
testing ?
Please answer with proper pratical exmaple and avoid copy
paste of text which written in book
Answer Posted / chabs
Functional testing is testing the individual components(,its
features) whether they work as per the requirement or not.
Ex: To test that Login textbox should accept only
characters, and the characters should be between 8-12 etc...
System testing is an end to end testing where the testing
environment is like the production environment.
While we do system testing we wont be bothered about testing
the components individually(functional testing) or whether
integrating the components works or not(integration testing)
because before we start system testing functional and
integration testing will be usually over.
Ex: Say, the customer wants a bank application which charges
the user 10% interest plus the activation charge the first
month,and charges only the interest from the 2nd and
succeeding months for which he has taken loan...
System testing for this includes testing for the first month
whether its charging 10% interest plus activation amt. and
no activation amt from the next month(by advancing the
database/server time)
Correct me if am wrong... comments r welcome.
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