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 // <streambuf>
11
12 // template <class charT, class traits = char_traits<charT> >
13 // class basic_streambuf;
14
15 // int_type underflow();
16
17 #include <streambuf>
18 #include <cassert>
19
20 struct test
21 : public std::basic_streambuf<char>
22 {
testtest23 test() {}
24 };
25
main()26 int main()
27 {
28 test t;
29 assert(t.sgetc() == -1);
30 }
31