1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // <streambuf> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_streambuf; 14 15 // void setg(char_type* gbeg, char_type* gnext, char_type* gend); 16 17 #include <streambuf> 18 #include <cassert> 19 20 template <class CharT> 21 struct test 22 : public std::basic_streambuf<CharT> 23 { 24 typedef std::basic_streambuf<CharT> base; 25 26 test() {} 27 28 void setg(CharT* gbeg, CharT* gnext, CharT* gend) 29 { 30 base::setg(gbeg, gnext, gend); 31 assert(base::eback() == gbeg); 32 assert(base::gptr() == gnext); 33 assert(base::egptr() == gend); 34 } 35 }; 36 37 int main() 38 { 39 { 40 test<char> t; 41 char in[] = "ABC"; 42 t.setg(in, in+1, in+sizeof(in)/sizeof(in[0])); 43 } 44 { 45 test<wchar_t> t; 46 wchar_t in[] = L"ABC"; 47 t.setg(in, in+1, in+sizeof(in)/sizeof(in[0])); 48 } 49 } 50