目的：

通过简单程序白盒测试，熟悉测试过程，对软件测试行程初步了解，并养成良好的测试习惯；熟练掌握如何运用基路径测试方法进行测试用例设计，进行逻辑覆盖率分析；

内容：

画出三角形程序的程序图和三角形程序的DD-路径图；

-Objective: white-box testing through simple procedures, familiar with the testing process, a preliminary understanding of the software testing trip, test and develop good habits　proficiency in the use of the base path test methods test case design, the logical coverage analysis : painting program graph and triangle triangle program program DD-path diagram