| // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> |
| |
| // Copyright (C) 2001, 2002, 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| // USA. |
| |
| // 27.8.1.4 Overridden virtual functions |
| |
| #include <fstream> |
| #include <testsuite_hooks.h> |
| #include <testsuite_io.h> |
| |
| // @require@ %-*.tst %-*.txt |
| // @diff@ %-*.tst %*.txt |
| |
| const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it |
| const char name_03[] = "tmp_sputn_1io.tst"; // empty file, need to create |
| |
| void test05() |
| { |
| using namespace std; |
| using namespace __gnu_test; |
| |
| typedef filebuf::int_type int_type; |
| typedef filebuf::traits_type traits_type; |
| typedef size_t size_type; |
| |
| bool test __attribute__((unused)) = true; |
| streamsize strmsz_1, strmsz_2; |
| |
| // streamsize sputn(const char_typs* s, streamsize n) |
| // write up to n chars to out_cur from s, returning number assigned |
| // NB *sputn will happily put '\0' into your stream if you give it a chance* |
| |
| // in | out |
| { |
| constraint_filebuf fb_03; |
| fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); |
| VERIFY( !fb_03.write_position() ); |
| VERIFY( !fb_03.read_position() ); |
| strmsz_1 = fb_03.sputn("racadabras", 10);//"abracadabras or what?" |
| VERIFY( strmsz_1 == 10 ); |
| strmsz_2 = fb_03.sputn(", i wanna reach out and", 10); |
| VERIFY( strmsz_2 == 10 ); |
| VERIFY( strmsz_1 == strmsz_2 ); |
| VERIFY( fb_03.write_position() ); |
| VERIFY( !fb_03.read_position() ); |
| } |
| } |
| |
| int main() |
| { |
| test05(); |
| return 0; |
| } |