ISO/IEC 9646-3-1998 信息技术开放系统互连一致性测试方法和框架第3部分:树和表组合记法(TTCN)

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【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-Conformancetestingmethodologyandframework-Part3:TheTreeandTabularCombinedNotation(TTCN)
【原文标准名称】:信息技术开放系统互连一致性测试方法和框架第3部分:树和表组合记法(TTCN)
【标准号】:ISO/IEC9646-3-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:通信规程;计数法;控制规程;数据处理;信息技术;合格试验;开放系统互连;信息交换
【英文主题词】:Communicationprocedures;Conformitytesting;Controlprocedures;Dataprocessing;Informationinterchange;Informationtechnology;Notation;OSI
【摘要】:1ThispartofISO/IEC9646definesaninformaltestnotation,calledtheTreeandTabularCombinedNotation(TTCN),forOSIconformancetestsuites,whichisindependentoftestmethods,layersandprotocols,andwhichreflectstheabstracttestingmethodologydefinedinISO/IEC9646-1andISO/IEC9646-2.2ItalsospecifiesrequirementsandprovidesguidanceforusingTTCNinthespecificationofsystem-independentconform-ancetestsuitesforoneormoreOSIstandards.Itspecifiestwoformsofthenotation:one,ahuman-readableform,applicabletotheproductionofconformancetestsuitestandardsforOSIprotocols;andtheother,amachine-processableform,applicabletoprocessingwithinandbetweencomputersystems.3ThispartofISO/IEC9646appliestothespecificationofconformancetestcaseswhichcanbeexpressedabstractlyintermsofcontrolandobservationofprotocoldataunitsandabstractserviceprimitives.Nevertheless,forsomeprotocols,testcasesmaybeneededwhichcannotbeexpressedintheseterms.ThespecificationofsuchtestcasesisoutsidethescopeofthispartofISO/IEC9646,althoughthosetestcasesmayneedtobeincludedinaconformancetestsuitestandard.Forexample,somestaticconformancerequirementsrelatedtoanapplicationservicemayrequiretestingtechniqueswhicharespecifictothatparticularapplication.Thespecificationoftestcasesinwhichmorethanonebehaviourdescriptionistoberuninparallelisdealtwithbytheconcurrencyfeatures(particularlyinvolvingthedefinitionofTestComponentsandTestComponentConfigurations).4ThispartofISO/IEC9646specifiesrequirementsonwhatatestsuitestandardmayspecifyaboutaconformingrealizationofthetestsuite,includingtheoperationalsemanticsofTTCNtestsuites.5ThispartofISO/IEC9646appliestothespecificationofconformancetestsuitesforOSIprotocolsinOSIlayers2to7,specificallyincludingAbstractSyntaxNotationOne(ASN.l)basedprotocols.ThefollowingareoutsidethescopeofthispartofISO/IEC9646:a)thespecificationofconformancetestsuitesforPhysicallayerprotocols;b)therelationshipbetweenTTCNandformaldescriptiontechniques;c)themeansofrealizationofexecutabletestsuites(ETS)fromabstracttestsuites.6ThispartofISO/IEC9646definesmechanismsforusingconcurrencyinthespecificationofabstracttestcases.Concur-rencyinTTCNisapplicabletothespecificationoftestcases:a)inamulti-partytestingcontext;b)whichhandlemultiplexinganddemultiplexingineitherasingle-partyormulti-partytestingcontext;c)whichhandlesplittingandrecombiningineitherasingle-partyormulti-partytestingcontext;d)inasingle-partytestingcontextwhenthecomplexityoftheprotocolorsetofprotocolshandledbytheIUTissuchthatconcurrencycansimplifythespecificationofthetestcase.7TTCNmodulesaredefinedtoallowsharingofcommonTTCNspecificationsbetweentestsuites.
【中国标准分类号】:L79
【国际标准分类号】:35_100_01
【页数】:265P.;A4
【正文语种】:英语