软件测试项目化教学实例zw2

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1、软件测试技术概论an第2章白盒测试和黑盒测试2.1白盒测试2.1.1什么是白盒测试图2-1口盒测试示意图2.1.2为什么要进行白盒测试2.1.3白盒测试的常用技术1.静态分析技术静态分析图2-2静态分析技术结构2.动态分析技术表2・1动态分析工具动态分析类型工具的功能测试覆盖率分析跟踪调整模拟断言检查3.测试数据生成4.覆盖率2.1.4-个白盒测试的例子表2・2白盒测试例子代码#includeintmain(void){intnDependents,Exemption；floatIncome,TaxSubTotal/TaxT

2、otal;cout<<^WelcometotheElboniantaxcalculator.Enteryouryearlyincome:,z;cin»Income;//firsuif-checkincomeif(Income<0){cout<<"Youcannothaveanegativeincome,n";return0;}cout<>nDependents;//secondif-checkdependentsif{nDep

3、endents<=0){cout<<"Youmusthaveatleastonedependent.n"；return0;}//thirdif(else-if)-computetaxsubtotalif(Income<10000)TaxSubTotal=•02*Income;elseif(Income<50000)TaxSubTotal=200+.03*(Income-10000);elseTaxSubTotal=1400+.04*{Income-50000);Exemption=nDependents*50;TaxTotal=TaxSubTota

4、l-Exemption；//lastif-checknegativetaxif(TaxTotal<0)//IncaseofnegativetaxTaxTotal=0;coutvv"$S$S$S$S$SSS$S$S$SSS$S$S$S$S$S$S$S$nJcout<<^ElbonianTaxCollectionAgencyn/z；cout<<"TaxBillnf,；cout<<"Citizen'sIncome:"<

5、ndents:”«nDependents<<1nz;cout<<"TaxExepmtion:<=0NDef)end

6、ents<=0doesntmatterdoesn11matterinvaliddependentserrorIncome>=0NDependents>0Income<10000TaxTotal<0bracket1negativetaxIncome>=0NDependents>010000<=Income<50000TaxTotal<0bracket2negativetaxIncome>=0NDependents>0Income>=50000TaxTotal<0bracket3negativetaxbracket1Income>=0NDejjende

7、nts>0Income<10000TaxTotal>=0Income>=0NDependents>010000<=Income<50000TaxTotal>=0bracket2Income>=0NDependents>0Income>=50000TaxTotal>=0bracket3表2・4白盒测试例子测试套IncomeNDependentsExpectedResult-5Doesn'tmatternegativeincomeerror00invaliddependentseiTor10010(bracket1,negativelax)200001

8、10(bracket2,negativetax)500001000(bracket3,negativetax)900011