白盒测试逻辑覆盖练习题

白盒测试逻辑覆盖练习题一、语句覆盖if(a>0&&b>0){c=a+b;}else{c=0;}defcheck_age(age):ifage<18:return"未成年"elifage>=18andage<60:return"成年人"else:return"老年人"二、分支覆盖if(x>0){if(y>0){printf("第一象限");}else{printf("第四象限");}}else{if(y>0){printf("第二象限");}else{printf("第三象限");}}functioncalculateGrade(score){if(score>=90){return'A';}elseif(score>=80){return'B';}elseif(score>=70){return'C';}else{return'D';}}三、路径覆盖publicintcalculate(inta,intb){if(a>0){if(b>0){returna+b;}else{returnab;}}else{if(b>0){returnba;}else{return0;}}}publicintMax(inta,intb,intc){if(a>b){if(a>c){returna;}else{returnc;}}else{if(b>c){returnb;}else{returnc;}}}四、条件覆盖defcheck_password(password):iflen(password)>=8andany(char.isdigit()forcharinpassword):return"密码强度高"else:return"密码强度低"functionvalidateForm(username,password){if(username.length>0&&password.length>0){returntrue;}else{returnfalse;}}五、判定条件覆盖publicbooleanisEligible(intage,booleanhasLicense){if(age>=18&&hasLicense){returntrue;}else{returnfalse;}}intisPrime(intnum){if(num<=1){return0;}for(inti=2;i<num;i++){if(num%i==0){return0;}}return1;}六、多条件覆盖publicstringGetGrade(intscore,boolisFinalExam){if(score>=90||(isFinalExam&&score>=80)){return"A";}elseif(score>=80||(isFinalExam&&score>=70)){return"B";}elseif(score>=70||(isFinalExam&&score>=60)){return"C";}else{return"D";}}return"Eligible";}else{return"NotEligible";}}七、条件组合覆盖defcheck_login(username,password,is_admin):if(username=="admin"orusername=="user")andpassword=="56"andnotis_admin:return"Userloggedin";elif(username=="admin"andis_admin)andpassword=="admin123":return"Adminloggedin";else:return"Invalidcredentials";publicStringauthenticate(Stringusername,Stringpassword,booleanhasTwoFactor){if(username.equals("admin")&&password.equals("admin123")&&hasTwoFactor){return"Adminaccessgranted";}elseif(username.equals("user")&&password.equals("user123")&&!hasTwoFactor){return"Useraccessgranted";}else{return"Accessdenied";}}八、路径条件覆盖voidprocessOrder(intquantity,floatdiscount){if(quantity>10){if(discount<0.1){printf("Orderprocessedwithstandarddiscount");}else{printf("Orderprocessedwithspecialdiscount");}}else{printf("Orderprocessedwithoutdiscount");}}functioncalculateTotal(price,isMember,hasCoupon){lettotal=price;if(isMember){total=0.9;//10%discountformembers}if(hasCoupon){total=0.95;//Additional5%discountforcoupon}returntotal;}九、修改条件/判定覆盖defupgrade_account(user_type,points):ifuser_type=="basic"andpoints>=100:return"Upgradetopremium"elifuser_type=="premium"andpoints>=200:return"Upgradetoelite"else:return"Noupgradeavailable"publicStringcheckSubscription(Stringtype,intduration){if(type.equals("monthly")&&duration>=6){return"Eligibleforannualplan";}elseif(type.equals("annual")&&duration>=12){return"Eligibleforlifetimeplan";}else{return"Continuecurrentplan";}}答案一、语句覆盖1.测试用例：a=1,b=1；a=1,b=12.测试用例：age=15；age=25；age=65二、分支覆盖1.测试用例：x=1,y=1；x=1,y=1；x=1,y=1；x=1,y=12.测试用例：score=95；score=85；score=75；score=65三、路径覆盖1.测试用例：a=1,b=1；a=1,b=1；a=1,b=1；a=1,b=12.测试用例：a=10,b=5,c=3；a=5,b=10,c=8；a=5,b=5,c=10；a=3,b=3,c=3四、条件覆盖1.测试用例：password="567"；password=""2.测试用例：username="test",password="pass"；username="",password=""五、判定条件覆盖1.测试用例：age=20,hasLicense=True；age=17,hasLicense=False2.测试用例：num=2；num=1；num=0；num=1六、多条件覆盖1.测试用例：score=95,isFinalExam=False；score=85,isFinalExam=True；score=75,isFinalExam=False；score=65,isFinalExam=True七、条件组合覆盖1.测试用例：username="admin",password="admin123",is_admin=False；username="user",password="56",is_admin=False；username="admin",password="admin123",is_admin=True2.测试用例：username="admin",password="admin123",hasTwoFactor=True；username="user",password="user123",hasTwoFactor=False；username="admin",password="wrong",hasTwoFactor=True八、路径条件覆盖1.测试用例：quantity=15,discount=0.05；quantity=8,discount=0.05；quantity=15,discount=0.22.测试用例：price=100,isMember=True,hasCoupon=True；price=100,isMember=False,hasCoupon=False；p