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// streambuf *rdbuf(streambuf *bytebuf);
15
16#include <locale>
17#include <codecvt>
18#include <sstream>
19#include <cassert>
20
21int main()
22{
23    typedef std::wbuffer_convert<std::codecvt_utf8<wchar_t> > B;
24    {
25        std::stringstream s;
26        B b;
27        assert(b.rdbuf() == nullptr);
28        b.rdbuf(s.rdbuf());
29        assert(b.rdbuf() == s.rdbuf());
30    }
31}
32