程序在200行代码以上，

采用白盒测试方法，利用软件测试工具（JUnit）设计测试用例，在eclipse平台上执行测试、测试记录和结果分析。并给出测试的语句覆盖率和分支覆盖率-Program in more than 200 lines of code, the use of white-box testing methods, the use of software testing tools (JUnit) test cases, test execution, test records and results analysis on eclipse platform. The statement given test coverage and branch coverage