Comprehension and Evolution of Combinatorial Models and Test Plans

Combinatorial test design (CTD) [1] is an effective test design technique, considered to be a testing best practice. CTD provides automatic test plan generation, but it requires a manual definition of the test space in the form of a combinatorial model, consisting of parameters, their respective values, and constraints on the value combinations. A valid test in the test space is defined to be an assignment of one value to each parameter that...