Clear definition of boundary value analysis

Answer Posted / jyoshitha

When even the test engg need to develop the testcases
for a range kind of input then they will go for BVA
in this they will concentrate on the boundarys of the range
ex:-
write a test case for email text box
1.it should acccept min 4char & max 20char
usually they will consider the following values
LB-1 LB LB+1 MB UB-1 UB UB+1
3 4 5 12 19 20 21

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