Include cctype in tests too.
Include cctype in tests too.
Jopie64/cppformat,Jopie64/cppformat,Jopie64/cppformat,seungrye/cppformat,mojoBrendan/fmt,seungrye/cppformat,nelson4722/cppformat,wangshijin/cppformat,nelson4722/cppformat,cppformat/cppformat,mojoBrendan/fmt,wangshijin/cppformat,lightslife/cppformat,blaquee/cppformat,seungrye/cppformat,blaquee/cppformat,mojoBrendan/fmt,wangshijin/cppformat,dean0x7d/cppformat,cppformat/cppformat,alabuzhev/fmt,nelson4722/cppformat,lightslife/cppformat,dean0x7d/cppformat,alabuzhev/fmt,cppformat/cppformat,lightslife/cppformat,blaquee/cppformat,alabuzhev/fmt,dean0x7d/cppformat