Domain Testing: Divide and Conquer - Testing Education

Variable(s) Equivalence
Class(es)
‘x’ All values from
–99 to 99
All values less
than -99
All values
greater than 99
Test cases Risks Notes
-99, 99 1) Failure to
process values
between –99
and 99
correctly.
2) Mishandling
of lower and
upper boundary
values.
-100 1) Mishandling
of values less
than –99.
2) Mishandling
of value just
beneath the
lower
boundary.
100 1) Mishandling
of values
greater than 99.
2) Mishandling
of value just
beyond the
upper
boundary.