Perpetual Reader

Process Metrics • Test Coverage = Number of units (KLOC/FP) tested / total size of the system. (LOC represents Lines of Code) • Number of tests per unit size = Number of test cases per KLOC/FP (LOC represents Lines of Code). • Acceptance criteria tested = Acceptance criteria tested / total acceptance criteria • Defects per size = Defects detected / system size • Test cost (in %) = Cost of testing / total cost *100 • Cost to locate defect = Cost of testing / the number of defects located • Achieving Budget = Actual cost of testing / Budgeted cost of testing • Defects detected in testing = Defects detected in testing / total system defects • Defects detected in production = Defects detected in production/system size • Quality of Testing = No of defects found during Testing/(No of defects found during testing + No of acceptance defects found after delivery) *100 • Effectiveness of testing to business = Loss due to problems / total resources processed by the sy...

Intentionally introducing defects in to the software to know the rate of its detection and its surrounding effects. The ratio of the number of seeded defects detected to the total number of defects seeded provides a rough idea of the total number of unseeded defects that have been detected. Example:  A group intentionally seeded the program with 30 errors, which is seeded widely over the application functionality. When the testing complete, If You find 15 seeded defects and 200 unseeded defects then total number of defects can be derived as follows: Total Defects =   Defects Introduced * Unseeded Defects Found                            Defects Found Total Defects=   30    * 200 = 400            ...