The State-based Testing of Object-Oriented Programs

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1、TheState-basedTestingofObject-OrientedProgramsC.D.TurnerandDJ.RobsonComputerScience,SECS,UniversityofDurham,DurhamDH13LE,EnglandEmail:C.D.Tumer@durham.ac.ukDave.Robson@durham.ac.ukPhone:+44913742635AbstractthedevelopmentandmaintenancephasesandintheThispaperdescribesanewtechniqueknownas

2、state-maintenancephasethemethodisparticularlyrelevantbasedtestingwhichisusedforthevalidationoftothedirecttestingofchangesratherthantoobject-orientedprogramswithemphasisontheregressiontesting.interactionbetweenthefeaturesandtheobject'sstate.Becauseofthenatureofthetechnique,therandomTher

3、emainderofthispaperisasfollows:asectionorderinwhichfeaturescanbeinvokedistakenintodescribingtheadaptationofmoretraditionaltestingaccount.Thetechniqueiscomplementarytoothertechniquestotheobject-orientedmodel,areviewoffunctionalandstructuralapproachestovalidation.Acurrentliteratureinthea

4、rea,adetaileddescriptionofasuiteoftoolstosupportthestate-basedtestingofnewtechniquefortestingobject-orientedprogramsobject-orientedprogramsisalsooutlined.Theknownasstate-basedtesting,abriefintroductiontoaadaptationoftraditionalvalidationtechniquestothesuiteofprototypetoolsthatweredevel

5、opedfortheobject-orientedprogrammingmodelisalsodiscussed.evaluationofthenewtechniqueandasummaryoftheinformationpresentedinthispaper.1.IntroductionTheconceptsknowntodayasobject-orientation,first2.TraditionalTestingTechniquesappearedintheprogramminglanguageSimulaintheTherearetwobasiccate

6、goriesoftraditionaltestinglate1960's(see[l]).Sincethenanumberofobject-techniques:functionalandstructural.Functionalorientedlanguageshavebeendeveloped,forexample,testing(alsoknownasblack-boxtesting)involvesSmalltalk,EiffelandC++.Object-orientedthegenerationoftestcasesbasedpurelyonthepro

7、grammingpresentsadifferentapproachtothefunctionalspecificationofthesoftwarewithnoregardconstructionofprogramsfromthemoretraditionalforitsstructureorcode.Incontrast,structuraltestingmethods.Forexample,functionaldecomposition(alsoknownaswhite-boxtesting)usesinformationplacesthemainemph