Embedded functions in combinatorial test designs

A feature for conforming to system constraints during combinatorial test case generation is proposed. The user interface and requirements for the feature are outlined. For constraint conformance, allowed test factor values are given by functions embedded in the test case generator. The functions are defined in a general-purpose programming language widely used among software engineers. The language, PHP, is chosen for its flexibility and prevalence. Examples of functions conforming to constraints are given. A second type of embedded function is proposed to automate the identification of expected equivalence class(es) for each test case. Equivalence class functions return the classes according to test case values. Examples of equivalence class functions are given also. Implementation of the feature is ongoing; goals include assessment of the feature´s feasibility, usability and performance.