on what basis a tester writes test cases,i mean is it only based on FS and if

on what basis a tester writes test cases,i mean is it only
based on FS and if so how can they know that a certain no
of
test cases can be written even b4 they write the test
cases.bcoz a test plan contains how many test cases to be
written by each tester.

Question Posted / softwaretester4u

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on what basis a tester writes test cases,i mean is it only based on FS and if so how can they know..

Answer / rajendra

Basis for writing test cases:

Friends

Normally we need

i. SRS document
ii. Usecase Document to write testcases.
to write Functional testcases.
We need Protype screens for writing GUI testcases.

Some times we will have only Functional specifications,then
we will use only functional specifications alone to write
testcase.

If we have still some doubts in functional flow we will see
the design documents.

Mainly it depends on availability of documents.Generally we
will choose available documents to write testcases.

The number of testcases that can be written for application
going to be tested will be estimated by the Test manager
with his experience.

And Also they will use some Permutations and combinations
to calculate number of testcases.
It not possible to explain in general.If we know the
application functionalities,then it is very easy to
estimate the number of testcases needed to test the entire
application.
Normally this estimation may be less or more than actual
number of testces

Byee friends

Rajendra
rajendra.penumalli@yahoo.com
Call me:+91-9885162742
hyderabad
india

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on what basis a tester writes test cases,i mean is it only based on FS and if so how can they know..

Answer / saff

that was pretty good answer thanks it cleared me

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