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 // <strstream>
11 
12 // class istrstream
13 
14 // strstreambuf* rdbuf() const;
15 
16 #include <strstream>
17 #include <cassert>
18 
main()19 int main()
20 {
21     {
22         const char buf[] = "123 4.5 dog";
23         const std::istrstream in(buf);
24         std::strstreambuf* sb = in.rdbuf();
25         assert(sb->sgetc() == '1');
26     }
27 }
28