// 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // 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_sputc_1io.tst"; void test05() { using namespace std; using namespace __gnu_test; typedef filebuf::int_type int_type; typedef filebuf::traits_type traits_type; bool test __attribute__((unused)) = true; int_type c1, c2; // int_type sputc(char_type c) // if out_cur not avail, return overflow(traits_type::to_int_type(c)) // else, stores c at out_cur, // increments out_cur, and returns c as int_type // in | out 1 { 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() ); c1 = fb_03.sputc('b'); VERIFY( c1 == 'b' ); c2 = fb_03.sputc('d'); VERIFY( c2 == 'd' ); for (int i = 50; i <= 90; ++i) c2 = fb_03.sputc(char(i)); VERIFY( fb_03.write_position() ); VERIFY( !fb_03.read_position() ); } } int main() { test05(); return 0; }