软件测试--设计函数实现输入日期显示星期几

1.划分等价类:

2.运用等价类划分法设计测试用例

3.源程序代码

  1 import java.text.ParseException;
  2 import java.text.SimpleDateFormat;
  3 import java.util.Calendar;
  4 import java.util.Date;
  5 import java.util.Scanner;
  6 
  7 public class test1 {
  8     public static void main(String[] args) {
  9         String year = null;//年份
 10         String month = null;//月份
 11         String day = null;//日
 12         boolean result=true;
 13         boolean result1=true;
 14         boolean result2=true;
 15         //输入年月日
 16         Scanner scanner1 = new Scanner(System.in);
 17         Scanner scanner2 = new Scanner(System.in);
 18         Scanner scanner3 = new Scanner(System.in);
 19 
 20 
 21         //判断年份
 22         while (result) {
 23             try {
 24                 System.out.println("请输入年份:1900-2050：");
 25                 year=scanner1.next();
 26                 //强制转换成int类型
 27                 int year1 = Integer.parseInt(year);
 28                  result = PanduanYear(year1);//判断段年份
 29                 if(result==true){
 30                     result=false;
 31                 }else {
 32                     result=true;
 33                     System.out.println("输入年份超出范围,请重新输入:");
 34                 }
 35 
 36             } catch (Exception e) {
 37                 System.out.println("年份输入有误,请输入正确的年份");
 38 
 39             }
 40         }
 41 
 42 
 43         //判断月份
 44         while (result1) {
 45             System.out.println("请输入月份1-12：");
 46             month = scanner2.next();
 47             try {
 48                 //强制转换成int类型
 49                 int month1 = Integer.parseInt(month);
 50                 result1 = PanduanMonth(month1);
 51                 if (result1 == true) {
 52                     result1 = false;
 53                 } else {
 54                     result1 = true;
 55                     System.out.println("输入月份超出范围,请重新输入:");
 56                 }
 57             } catch (Exception e) {
 58                 System.out.println("月份输入有误,请输入正确的月份");
 59             }
 60         }
 61 
 62         //判断日期
 63         while (result2) {
 64             System.out.println("请输入日：");
 65             day = scanner3.next();
 66             try {
 67                 //强制转换成int类型
 68                 int year1 = Integer.parseInt(year);
 69                 int month1 = Integer.parseInt(month);
 70                 int day1 = Integer.parseInt(day);
 71                 result2 = PanDay(year1, month1, day1);
 72                 if (result2 == true) {
 73                     result2=false;
 74                 }else {
 75                     result2 = true;
 76                     System.out.println("输入日期超出范围,请重新输入:");
 77                 }
 78             } catch (Exception e) {
 79                 System.out.println("日期输入有误,请输入正确的日期");
 80             }
 81         }
 82 
 83         SimpleDateFormat fmt = new SimpleDateFormat("dd MM yyyy");
 84 
 85         Date d = null;
 86         try {
 87             d = fmt.parse(day+" "+month+" "+year);
 88         } catch (ParseException e) {
 89             throw new RuntimeException(e);
 90         }
 91 
 92         Calendar cal = Calendar.getInstance();
 93 
 94         cal.setTime(d);
 95 
 96         int weekDay = cal.get(Calendar.DAY_OF_WEEK);
 97 
 98         switch(weekDay) {
 99             case 1 : System.out.println("SUNDAY"); break;
100             case 2 : System.out.println("MONDAY"); break;
101             case 3 : System.out.println("TUESDAY"); break;
102             case 4 : System.out.println("WEDNESDAY"); break;
103             case 5 : System.out.println("THURSDAY"); break;
104             case 6 : System.out.println("FRIDAY"); break;
105             case 7 : System.out.println("SATURDAY"); break;
106             default: break;
107         }
108     }
109     //判断合理的年份
110     public static boolean PanduanYear (Integer year){
111         return year >= 1900 && year <= 2050;
112     }
113 
114     //判断月份是否正常
115     public static boolean PanduanMonth (Integer month){
116         return month >= 1 && month <= 12;
117     }
118 
119 
120 
121     //判断日期是否输入正常
122     public static boolean PanDay(Integer year,Integer month ,Integer day){
123         int run=0;//0是平年,1是闰年
124         int m=0;//0是31天,1是30天,2是29天,3是28天
125         boolean result = false;
126         if(year%400==0||year%4==0){
127             run=1;
128         }
129         if(month==4||month==6||month==9||month==11){
130             m=1;
131         }
132         if(month==2&&run==1){
133             m=2;
134         }
135         if (month==2&&run==0){
136             m=3;
137         }
138 
139         if (m==1&&day>=1&&day<=30){
140             result=true;
141         }
142 
143         if (m==0&&day>=1&&day<=31){
144             result=true;
145         }
146 
147         if (m==2&&day>=1&&day<=29){
148             result=true;
149         }
150 
151         if (m==3&&day>=1&&day<=28){
152             result=true;
153         }
154 
155         return result;
156     }
157 
158 
159 
160 }