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 // <fstream>
11 
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_ifstream
14 
15 // basic_filebuf<charT,traits>* rdbuf() const;
16 
17 #include <fstream>
18 #include <cassert>
19 
main()20 int main()
21 {
22     {
23         std::ifstream fs("test.dat");
24         std::filebuf* fb = fs.rdbuf();
25         assert(fb->sgetc() == 'r');
26     }
27     {
28         std::wifstream fs("test.dat");
29         std::wfilebuf* fb = fs.rdbuf();
30         assert(fb->sgetc() == L'r');
31     }
32 }
33