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 // <fstream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ifstream
13 
14 // basic_filebuf<charT,traits>* rdbuf() const;
15 
16 #include <fstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
21 int main(int, char**)
22 {
23     {
24         std::ifstream fs("test.dat");
25         std::filebuf* fb = fs.rdbuf();
26         assert(fb->sgetc() == 'r');
27     }
28     {
29         std::wifstream fs("test.dat");
30         std::wfilebuf* fb = fs.rdbuf();
31         assert(fb->sgetc() == L'r');
32     }
33 
34   return 0;
35 }
36