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 // wbuffer_convert<Codecvt, Elem, Tr>
13 
14 #include <fstream>
15 #include <locale>
16 #include <codecvt>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         std::ofstream bytestream("myfile.txt");
23         std::wbuffer_convert<std::codecvt_utf8<wchar_t> > mybuf(bytestream.rdbuf());
24         std::wostream mystr(&mybuf);
25         mystr << L"Hello" << std::endl;
26     }
27     {
28         std::ifstream bytestream("myfile.txt");
29         std::wbuffer_convert<std::codecvt_utf8<wchar_t> > mybuf(bytestream.rdbuf());
30         std::wistream mystr(&mybuf);
31         std::wstring ws;
32         mystr >> ws;
33         assert(ws == L"Hello");
34     }
35     std::remove("myfile.txt");
36 }
37