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 // <ios>
10 
11 // template <class charT, class traits> class basic_ios
12 
13 // basic_streambuf<charT,traits>* rdbuf() const;
14 
15 #include <ios>
16 #include <streambuf>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
main(int,char **)21 int main(int, char**)
22 {
23     {
24         const std::ios ios(0);
25         assert(ios.rdbuf() == 0);
26     }
27     {
28         std::streambuf* sb = (std::streambuf*)1;
29         const std::ios ios(sb);
30         assert(ios.rdbuf() == sb);
31     }
32 
33   return 0;
34 }
35