| // 2003-05-30 Paolo Carlini <pcarlini@unitus.it> |
| |
| // Copyright (C) 2003-2021 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <sstream> |
| #include <testsuite_hooks.h> |
| |
| void test01() |
| { |
| using namespace std; |
| typedef stringbuf::pos_type pos_type; |
| typedef stringbuf::off_type off_type; |
| |
| stringbuf strb_01(ios_base::out); |
| |
| strb_01.sputn("broken peak", 11); |
| pos_type pt_1 = strb_01.pubseekoff(0, ios_base::end, ios_base::out); |
| |
| // In general, according to 27.7.1.3,14, the below has undefined |
| // behaviour since pt_1 + off_type(1) doesn't come from a |
| // previous pubseekpos or pubseekoff. However, given v3 implementation, |
| // this was useful to expose a bug in pubseekpos checks. |
| pos_type pt_2 = strb_01.pubseekpos(pt_1 + off_type(1), ios_base::out); |
| VERIFY( pt_2 == pos_type(off_type(-1)) ); |
| } |
| |
| int main() |
| { |
| test01(); |
| return 0; |
| } |
