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 // streamsize showmanyc();
15 
16 #include <streambuf>
17 #include <cassert>
18 
19 int showmanyc_called = 0;
20 
21 template <class CharT>
22 struct test
23     : public std::basic_streambuf<CharT>
24 {
25     test() {}
26 };
27 
28 int main(int, char**)
29 {
30     test<char> t;
31     assert(t.in_avail() == 0);
32 
33   return 0;
34 }
35