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 // <streambuf>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_streambuf;
13 
14 // pos_type pubseekpos(pos_type sp,
15 //                     ios_base::openmode which = ios_base::in | ios_base::out;
16 
17 #include <streambuf>
18 #include <cassert>
19 
20 template <class CharT>
21 struct test
22     : public std::basic_streambuf<CharT>
23 {
24     test() {}
25 };
26 
27 int main(int, char**)
28 {
29     {
30         test<char> t;
31         assert(t.pubseekpos(0, std::ios_base::app) == -1);
32     }
33 
34   return 0;
35 }
36