| // { dg-require-namedlocale "" } |
| |
| // 2003-09-08 Petur Runolfsson <peturr02@ru.is> |
| |
| // 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 <fstream> |
| #include <locale> |
| #include <cstdio> |
| #include <testsuite_hooks.h> |
| |
| // Check that basic_filebuf::seekoff handles UTF-8 when open for input and |
| // output. |
| void test02() |
| { |
| using namespace std; |
| typedef wfilebuf::int_type int_type; |
| bool test __attribute__((unused)) = true; |
| const char name[] = "tmp_seekoff-2.tst"; |
| |
| locale loc = locale("se_NO.UTF-8"); |
| |
| const size_t size = 10; |
| wchar_t buf[size]; |
| streamsize n; |
| |
| wfilebuf fb; |
| fb.pubimbue(loc); |
| fb.open(name, ios_base::in | ios_base::out | ios_base::trunc); |
| |
| n = fb.sputn(L"\xa0st", 3); |
| VERIFY( n == 3 ); |
| |
| fb.pubseekoff(0, ios_base::beg); |
| n = fb.sgetn(buf, 2); |
| VERIFY( n == 2 ); |
| VERIFY( !wmemcmp(buf, L"\xa0s", 2) ); |
| |
| fb.pubseekoff(0, ios_base::cur); |
| n = fb.sputn(L"\xb2R", 2); |
| VERIFY( n == 2 ); |
| |
| fb.pubseekoff(0, ios_base::beg); |
| n = fb.sgetn(buf, size); |
| VERIFY( n == 4 ); |
| VERIFY( !wmemcmp(buf, L"\xa0s\xb2R", 4) ); |
| |
| fb.pubseekoff(0, ios_base::beg); |
| n = fb.sputn(L"\x90m\x92n\x94", 5); |
| VERIFY( n == 5 ); |
| |
| fb.pubseekoff(0, ios_base::beg); |
| n = fb.sgetn(buf, 2); |
| VERIFY( n == 2 ); |
| VERIFY( !wmemcmp(buf, L"\x90m", 2) ); |
| |
| fb.pubseekoff(0, ios_base::end); |
| n = fb.sputn(L"I\xbfJ", 3); |
| VERIFY( n == 3 ); |
| |
| fb.pubseekoff(0, ios_base::beg); |
| n = fb.sgetn(buf, size); |
| VERIFY( n == 8 ); |
| VERIFY( !wmemcmp(buf, L"\x90m\x92n\x94I\xbfJ", 8) ); |
| |
| fb.close(); |
| } |
| |
| int main() |
| { |
| test02(); |
| return 0; |
| } |