diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/12790-1.cc')
-rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/12790-1.cc | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/12790-1.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/12790-1.cc new file mode 100644 index 00000000000..79a625169eb --- /dev/null +++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/seekoff/12790-1.cc @@ -0,0 +1,82 @@ +// Copyright (C) 2003 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, +// 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::character; + typedef basic_filebuf<character>::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<character> fb; + fb.pubimbue(loc); + + fb.open(name, ios_base::out); + fb.sputc(character::from_char(0xff)); + fb.sputc(character::from_char(0)); + fb.sputc(character::from_char(0)); + fb.sputc(character::from_char('a')); + fb.sputc(character::from_char('a')); + fb.sputc(character::from_char('a')); + fb.sputc(character::from_char('a')); + fb.close(); + + fb.open(name, ios_base::in); + fb.sbumpc(); + fb.sbumpc(); + fb.sbumpc(); + + // Check that seekoff calls codecvt::length with the correct state. + traits_type::pos_type pos = fb.pubseekoff(0, ios_base::cur); + VERIFY( pos != traits_type::pos_type(traits_type::off_type(-1)) ); + + traits_type::int_type c = fb.sbumpc(); + VERIFY( c != traits_type::eof() ); + VERIFY( traits_type::eq(traits_type::to_char_type(c), + character::from_char('a')) ); + fb.sbumpc(); + fb.sbumpc(); + c = fb.sbumpc(); + VERIFY( c != traits_type::eof() ); + VERIFY( traits_type::eq(traits_type::to_char_type(c), + character::from_char('a')) ); + c = fb.sbumpc(); + VERIFY( c == traits_type::eof() ); + + fb.close(); +} + +int main() +{ + test01(); + return 0; +} |