Answer / castor_troy

BVA is only for boundary testing. If the range is 20 - 40,
then the values for testing will be 19,20,40,41(min, min-1,
max, max+1). That is we test even for below the minimum
value and above the maximum value and the boundary.

whereas in equi. partitioning we test within the range and
the boundary but not below or above the expected/mentioned
values.

hope this is clear?

Answer / ramesh

BVA is desisn teacnique works with an principle
1. max,max-1,max+1
2.min,min-1,min+1
for eg: if u need to test an value 100 in combo box u need
to test
then u need to test only in 6 possible conditions by
paasing these values
in case of max :100,100+1,100-1
in case of min :0,0-1,0+1

equivalence partioning will be done by varying the ranges
upto maximium

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