1 // 1999-10-11 bkoz
2 
3 // Copyright (C) 1999-2019 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library.  This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 // GNU General Public License for more details.
15 
16 // You should have received a copy of the GNU General Public License along
17 // with this library; see the file COPYING3.  If not see
18 // <http://www.gnu.org/licenses/>.
19 
20 
21 // 27.5.2 template class basic_streambuf
22 
23 #include <streambuf>
24 #include <ostream>
25 #include <testsuite_hooks.h>
26 
27 // libstdc++/3599
28 class testbuf : public std::wstreambuf
29 {
30 public:
31   typedef std::wstreambuf::traits_type traits_type;
32 
testbuf()33   testbuf() : std::wstreambuf() { }
34 
35 protected:
36   int_type
overflow(int_type c=traits_type::eof ())37   overflow(int_type c __attribute__((unused)) = traits_type::eof())
38   { return traits_type::not_eof(0); }
39 };
40 
41 void
test07()42 test07()
43 {
44   testbuf ob;
45   std::wostream out(&ob);
46 
47   out << L"gasp";
48   VERIFY( out.good() );
49 
50   out << std::endl;
51   VERIFY( out.good() );
52 }
53 
main()54 int main()
55 {
56   test07();
57   return 0;
58 }
59