Page - 152 - in The Future of Software Quality Assurance

152 A. L.Smith Table 1 Mothra operators Type Description aar Array for array replacement abs Absolute value insertion acr Array constant replacement aor Arithmeticoperator replacement asr Array for variable replacement car Constant for array replacement cnr Comparable array replacement csr Constant for scalar replacement der DOstatement end replacement lcr Logical connector replacement ror Relational operator replacement sar Scalar for array replacement scr Scalar for constant replacement svr Scalar variable replacement crp Constant replacement dsa Data statement alterations glr Goto label replacement rsr Return statement replacement san Statement analysis sdl Statement deletion src Source constant replacement uoi Unary operation insertion course, the volume of potential operators and their resulting mutations of software code is enormous,andno implementationcanbeviewedasexhaustive. Running the software under test through a mutation operator could result in a number of changes to the code. Four example, rule-based operators are applied to this code: Pseudo Code allowEntrance = false if (customerHasMembershipCard or customerHasAccessCard): allowEntrance = true price = 0 else: if(weekend): allowEntrance = true price = 10