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<wchar_t, char, mbstate_t> 13 14 // result out(stateT& state, 15 // const internT* from, const internT* from_end, const internT*& from_next, 16 // externT* to, externT* to_end, externT*& to_next) const; 17 18 #include <locale> 19 #include <string> 20 #include <vector> 21 #include <cassert> 22 23 typedef std::codecvt<wchar_t, char, std::mbstate_t> F; 24 25 int main() 26 { 27 std::locale l = std::locale::classic(); 28 const F& f = std::use_facet<F>(l); 29 { 30 const std::basic_string<F::intern_type> from(L"some text"); 31 std::vector<char> to(from.size()+1); 32 std::mbstate_t mbs = {0}; 33 const F::intern_type* from_next = 0; 34 char* to_next = 0; 35 F::result r = f.out(mbs, from.data(), from.data() + from.size(), from_next, 36 to.data(), to.data() + to.size(), to_next); 37 assert(r == F::ok); 38 assert(from_next - from.data() == from.size()); 39 assert(to_next - to.data() == from.size()); 40 assert(to.data() == std::string("some text")); 41 } 42 { 43 std::basic_string<F::intern_type> from(L"some text"); 44 from[4] = '\0'; 45 std::vector<char> to(from.size()+1); 46 std::mbstate_t mbs = {0}; 47 const F::intern_type* from_next = 0; 48 char* to_next = 0; 49 F::result r = f.out(mbs, from.data(), from.data() + from.size(), from_next, 50 to.data(), to.data() + to.size(), to_next); 51 assert(r == F::ok); 52 assert(from_next - from.data() == from.size()); 53 assert(to_next - to.data() == from.size()); 54 assert(memcmp(to.data(), "some\0text", from.size()) == 0); 55 } 56 { 57 std::basic_string<F::intern_type> from(L"some text"); 58 std::vector<char> to(from.size()-1); 59 std::mbstate_t mbs = {0}; 60 const F::intern_type* from_next = 0; 61 char* to_next = 0; 62 F::result r = f.out(mbs, from.data(), from.data() + from.size(), from_next, 63 to.data(), to.data() + to.size()-1, to_next); 64 assert(r == F::partial); 65 assert(from_next - from.data() == to.size()-1); 66 assert(to_next - to.data() == to.size()-1); 67 assert(to.data() == std::string("some te")); 68 } 69 } 70
