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【英文标准名称】:Informationtechnology.Opensystemsinterconnection.Conformancetestingmethodologyandframework.TheTreeandtabularcombinednotation(TTCN)
【原文标准名称】:信息技术.开放系统互连.合格试验方法学和框架.第3部分:树形和表格混合记数法
【标准号】:BSISO/IEC9646-3-1998
【标准状态】:作废
【国别】:英国
【发布日期】:1999-05-15
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传输;数据传输控制规程;程序设计;信息交流;认可试验;计算机间通信;树(数学);算法;数据处理;句法;开放系统互连;编码(数据转换);通信规程;语义学;合格
【英文主题词】:
【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.ThespecificationofsuchtestcasesisoutsidethescopeofmispartofISO/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.ConcurrencyinTTCNisapplicabletothespecificationoftestcases: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】:
【正文语种】:英语


【英文标准名称】:TestMethodforFlashPointbyTagClosedTester
【原文标准名称】:泰格密闭闪点试验器测定闪点的试验方法
【标准号】:ASTMD56-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:涂料;试验;石油产品;油性涂料;溶剂;芳烃;润滑剂;闪点;芳族化合物
【英文主题词】:aromatichydrocarbons;paints;aromaticcompounds;solvents;flashpoint;lubricants;petroleumproducts;oilpaints;testing
【摘要】:
【中国标准分类号】:E30
【国际标准分类号】:87_040
【页数】:
【正文语种】:英语