以下（ ）不属于单元测试中模块接口测试的测试内容。
- A.是否修改了只做输入用的形式参数
- B.全局变量的定义在各模块是否一致
- C.是否使用了尚未初始化的变量
- D.输出给标准函数的参数个数是否正确
正确答案及解析
正确答案
解析
单元测试的内容：模块接口测试；局部数据结构测试；路径测试；错误处理测试；边界测试；
模块接口测试具体包括：调用所测模块时的输入参数与模块的形式参数在个数、属性、顺序上是否匹配；所测模块调用子模块时，其输入给子模块的参数与子模块中的形式参数在个数、属性、顺序上是否匹配；是否修改了只作输入用的形式参数；输出给标准函数的参数在个数、属性、顺序上是否正确；全局量的定义在各模块中是否一致；限制是否通过形式参数来传递。
局部数据结构测试包括：不正确或不一致的数据类型说明；适用尚未赋值或尚未初始化的变量；错误的初始值或错误的缺省值；变量名拼写错或书写错；不一致的数据类型。
选项C为局部数据结构测试的内容。
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