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 // wstring_convert<Codecvt, Elem, Wide_alloc, Byte_alloc> 13 14 // byte_string to_bytes(Elem wchar); 15 // byte_string to_bytes(const Elem* wptr); 16 // byte_string to_bytes(const wide_string& wstr); 17 // byte_string to_bytes(const Elem* first, const Elem* last); 18 19 #include <locale> 20 #include <codecvt> 21 #include <cassert> 22 23 int main() 24 { 25 { 26 std::wstring_convert<std::codecvt_utf8<wchar_t> > myconv; 27 std::wstring ws(1, L'\x40003'); 28 std::string bs = myconv.to_bytes(ws[0]); 29 assert(bs == "\xF1\x80\x80\x83"); 30 bs = myconv.to_bytes(ws.c_str()); 31 assert(bs == "\xF1\x80\x80\x83"); 32 bs = myconv.to_bytes(ws); 33 assert(bs == "\xF1\x80\x80\x83"); 34 bs = myconv.to_bytes(ws.data(), ws.data() + ws.size()); 35 assert(bs == "\xF1\x80\x80\x83"); 36 bs = myconv.to_bytes(L""); 37 assert(bs.size() == 0); 38 } 39 } 40
