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 
main()21 int 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