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[/] [scarts/] [trunk/] [toolchain/] [scarts-gcc/] [gcc-4.1.1/] [libstdc++-v3/] [testsuite/] [27_io/] [basic_filebuf/] [seekoff/] [12790-3.cc] - Rev 19
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// Copyright (C) 2003, 2005 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, // USA. // 27.8.1.4 Overridden virtual functions #include <locale> #include <fstream> #include <testsuite_hooks.h> #include <testsuite_character.h> // libstdc++/12790 void test01() { using namespace std; using __gnu_test::pod_uchar; typedef basic_filebuf<pod_uchar>::traits_type traits_type; bool test __attribute__((unused)) = true; const char* name = "tmp_seekoff_12790"; locale loc(locale::classic(), new codecvt<traits_type::char_type, char, traits_type::state_type>); basic_filebuf<pod_uchar> fb; fb.pubimbue(loc); fb.open(name, ios_base::out | ios_base::trunc); fb.sputc(pod_uchar::from<char>('b')); fb.sputc(pod_uchar::from<char>(0xff)); fb.sputc(pod_uchar::from<char>('a')); fb.sputc(pod_uchar::from<char>(0xfc)); fb.sputc(pod_uchar::from<char>(0)); fb.sputc(pod_uchar::from<char>(0)); fb.close(); fb.open(name, ios_base::in); fb.sbumpc(); fb.sbumpc(); // Check that seekoff returns the correct state traits_type::pos_type pos = fb.pubseekoff(0, ios_base::cur); traits_type::int_type c = fb.sbumpc(); VERIFY( c != traits_type::eof() ); VERIFY( traits_type::eq(traits_type::to_char_type(c), pod_uchar::from<char>('a')) ); fb.sbumpc(); fb.pubseekpos(pos); c = fb.sbumpc(); VERIFY( c != traits_type::eof() ); VERIFY( traits_type::eq(traits_type::to_char_type(c), pod_uchar::from<char>('a')) ); fb.close(); } int main() { test01(); return 0; }