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 // <locale> 11 12 // template <> class codecvt<char, char, mbstate_t> 13 14 // result in(stateT& state, 15 // const externT* from, const externT* from_end, const externT*& from_next, 16 // internT* to, internT* to_end, internT*& to_next) const; 17 18 #include <locale> 19 #include <string> 20 #include <vector> 21 #include <cassert> 22 23 typedef std::codecvt<char, char, std::mbstate_t> F; 24 25 int main() 26 { 27 std::locale l = std::locale::classic(); 28 const std::basic_string<F::intern_type> from("some text"); 29 std::vector<char> to(from.size()); 30 const F& f = std::use_facet<F>(l); 31 std::mbstate_t mbs; 32 const char* from_next = 0; 33 char* to_next = 0; 34 assert(f.in(mbs, from.data(), from.data() + from.size(), from_next, 35 to.data(), to.data() + to.size(), to_next) == F::noconv); 36 assert(from_next == from.data()); 37 assert(to_next == to.data()); 38 } 39