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