Answer / anandkulkarni.biet

BVA is required to test the application on the boundries
also.
For Eg: There is a field which can take 50 characters then
applying the BVA technique we need to test for 0,1,49,50,51
characters.
ECP is required to test the application for test data
corresponding to each class values.
Considering the above field, the ECP would be entering data
of each class like small letters, capital letters, special
characters, numbers, combination of these.

Guys, Correct me if i am wrong.

Answer / arul adhavan

when we use BV testing we can use boundary level of testing
it means using the formula n,n+1,n-1 with low(LL) and high
level(HL) boundaries for ex: to check 1-10 numbers mean .to
LL - 0,1,2 . HL-9,10,11

when we come to Equivalence partition test we should divide
the given required input into two equal parts then we start
testing. and pick one value from each equivalence

Answer / v@

according to me,BVA for 1-10 no will be 0,1,10,11 and for
ECP it will be 1 valid class and 2 invalid. please tell me
if me wrong and provide more info to support answewr

Answer / anandkulkarni.biet

Arul,

Can you please explain how your description on ECP
justifies the example given under BVA?

Answer / gupta

EP-this technique is used to test when we got to test different combinations of inputs or when testing different permutations and combinations of data. we divide data into 3 equal partitions and test those partitions. for example consider a text box which can only accepts numbers from 1-100. in this case we can't write test cases for 100 input values. so we divide the data in to 3 equal partitions i) 1-100 ii)data value below 1 iii)data value above 100.
BVA- testing data at boundaries. for the same above example we test with the input boundary values 0,1,100,101

Correct me if i'm wrong.

Corrections are always welcome to enrich my knowledge.
Thanks

Answer / n@n!

for verifing validations in the application testers mainly
using BVA and ECP

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