西门子套件简介.doc

BoJiang,ZhenyuZhang，W.K.Chan，T.H.Tse，AdaptiveRandomTestCasePrioritization，C.SubjectProgramsandTestSuitesWeusetheSiemenssuiteofprograms,downloadedfromSIR[9]athttp://sir.unl.edu,assubjectprogramsTheseprogramswereoriginallycreatedtosupportresearchondataflowandcontrol-flowtestadequacycriteria[15].SincetheSiemensprogramsaresmall,wealsousefourreal-lifeUNIXutilityprogramswithrealandseededfaults(downloadfromhttp://sir.unl.edu)intheexperiment.TableIIshowsthedescriptivestatisticsforallthesubjectprograms.Following[13],weuseAPFDasthemetricsfortherateoffaultdetection.APFD：theweightedaverageofthepercentageoffaultsdetectedoverthelifeofthesuite.测试用例集合故障检测率度量元，测试用例集检测故障的百分比的加权平均，测试用例集T，包含n个测试用例，故障集F，测试用例集T能够发现的m个故障F；TFiT中的有序测试用例子集T’发现故障i的第一个测试用例；这时，T’的APFD值通过下式计算：Foreachbox-whiskerplot,thex-axisrepresentsprioritizationtechniquesandthey-axisrepresentstheirAPFDvaluesforallfaultyversions.Thelinesintheboxesindicatethelowerquartile,median,andupperquartilevalues.Boxeswhosenotchesdonotoverlapmeanthatthemediansofthetwogroupsdifferatthe5%significancelevel.x轴表示测试用例优先级排序技术，y轴表示这些技术对于所有故障版本的相应APFD值。图中，方框中的横线分别表示下四分位、中位值、上四分位值。