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<char32_t, 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<char32_t, char, std::mbstate_t> F; 24 25 int main() 26 { 27 std::locale l = std::locale::classic(); 28 const char from[] = "some text"; 29 F::intern_type to[9]; 30 const F& f = std::use_facet<F>(l); 31 std::mbstate_t mbs = {}; 32 const char* from_next = 0; 33 F::intern_type* to_next = 0; 34 assert(f.in(mbs, from, from + 9, from_next, 35 to, to + 9, to_next) == F::ok); 36 assert(from_next - from == 9); 37 assert(to_next - to == 9); 38 for (unsigned i = 0; i < 9; ++i) 39 assert(to[i] == static_cast<char32_t>(from[i])); 40 } 41
