1 // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com>
2
3 // Copyright (C) 2001-2016 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 // 27.8.1.4 Overridden virtual functions
21
22 #include <sstream>
23 #include <testsuite_hooks.h>
24
25 // libstdc++/9439, libstdc++/9425
26 // basic_filebuf<>::pbackfail calls basic_filebuf<>::seekoff, but
27 // fails to check the return value
test09()28 void test09()
29 {
30 using namespace std;
31 bool test __attribute__((unused)) = true;
32
33 wstringbuf sbuf;
34 wstringbuf::int_type r = sbuf.sputbackc(L'a');
35 VERIFY( r == wstringbuf::traits_type::eof() );
36 }
37
main()38 int main()
39 {
40 test09();
41 return 0;
42 }
43