what is boudarary value analysis? what is the use of it?

Answer Posted / sara

Hai Nazeer,

BVA is the most important in the testing in the block
box testing.

eg:

IF u take yahoo user name suppose the client requirements is

min 4 cha and maxi 10 cha in this place we apply the BVA is
n-1 n n+1 m-1 m m+1
----|---------------------------------|----
3 4 5 9 10 11
hear the lower boundary value is 4 and upper boundary is 10
here we check 4-1,4,4+1, and 10-1,10,10+1
Here 4-1,10+1 both are fail and 4,4+1,10-1,10 is pass

Thank you
saravanan.rk.qa@gmail.com

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