Answer Posted / lakshmanaraj bg
‘Boundary value analysis’ testing technique is used to identify errors at boundaries rather than finding those exist in center of input domain.
It’s widely recognized that input values at the extreme ends of input domain cause more errors in system.
More application errors occur at the boundaries of input domain.
Boundary value analysis is a next part of Equivalence partitioning for designing test cases where test cases are selected at the edges of the equivalence classes.
Boundary value analysis is often called as a part of stress and negative testing.
TEST CASES:
1) Test cases with test data exactly as the input boundaries of input domain i.e. values 1 and 1000 in our case.
2) Test data with values just below the extreme edges of input domains i.e. values 0 and 999.
3) Test data with values just above the extreme edges of input domain i.e. values 2 and 1001.
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