1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <locale>
10 
11 // ADDITIONAL_COMPILE_FLAGS: -D_LIBCPP_DISABLE_DEPRECATION_WARNINGS
12 
13 // wbuffer_convert<Codecvt, Elem, Tr>
14 
15 // XFAIL: no-wide-characters
16 
17 #include <fstream>
18 #include <locale>
19 #include <codecvt>
20 #include <cassert>
21 
22 #include "test_macros.h"
23 
24 int main(int, char**)
25 {
26     {
27         std::ofstream bytestream("myfile.txt");
28         std::wbuffer_convert<std::codecvt_utf8<wchar_t> > mybuf(bytestream.rdbuf());
29         std::wostream mystr(&mybuf);
30         mystr << L"Hello" << std::endl;
31     }
32     {
33         std::ifstream bytestream("myfile.txt");
34         std::wbuffer_convert<std::codecvt_utf8<wchar_t> > mybuf(bytestream.rdbuf());
35         std::wistream mystr(&mybuf);
36         std::wstring ws;
37         mystr >> ws;
38         assert(ws == L"Hello");
39     }
40     std::remove("myfile.txt");
41 
42   return 0;
43 }
44