#include <locale>
#include <fstream>
#include <testsuite_hooks.h>
#include <testsuite_character.h>
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();
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;
}