软件测试度量基础培训

ITWhydometrics?¾“Ifyoudon'tknowwhereyouaregoing,anyroadwilldo.”-PROVERB¾“Ifyoudon'tknowwhereyouare,amapwon'thelp.”-WATTSHUMPHREY.¾“Whatyoucannotmeasure,youcannotmanage.”-DRUCKER¾¾¾•••1960's1970'sNASASEI1980's1990'sNASA()SEI()DARPA()IBMHPNORTELMOTOROLALUCENT——KLCI20014••••••„——„——„——••••••SizeEffortScheduleQuality-DefectsMCQASEPG—————¾¾/Timesheet¾¾¾••CMM/Basic%%%(/KLOC)KLOC//KLOC/ActivityWiseDefectDetectionDensity(/)/(/)/CostofQuality)//TestActivityEffortDistribution////••„„„„„„MetricsID%15%50%%15%60%%15%45%%30.0%30.0%„MetricsID(/KLOC)15.0020.00KLOC/6.008.00/10.006.00„010020030040001020304050607080„„„„GompertzGompertz20916023.4%„0205203157991205718„22„3ITIT3.13.23.33.43.53.6Gompertz„„¾1¾a0a1¾2¾CWidebandDelphiPertsizing¾3¾¾¾¾¾¾¾¾TimeSheet¾