1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003, 2009 Free Software Foundation, Inc. 4// 5// This file is part of the GNU ISO C++ Library. This library is free 6// software; you can redistribute it and/or modify it under the 7// terms of the GNU General Public License as published by the 8// Free Software Foundation; either version 3, or (at your option) 9// any later version. 10 11// This library is distributed in the hope that it will be useful, 12// but WITHOUT ANY WARRANTY; without even the implied warranty of 13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14// GNU General Public License for more details. 15 16// You should have received a copy of the GNU General Public License along 17// with this library; see the file COPYING3. If not see 18// <http://www.gnu.org/licenses/>. 19 20// 27.8.1.4 Overridden virtual functions 21 22#include <fstream> 23#include <testsuite_hooks.h> 24#include <testsuite_io.h> 25 26// @require@ %-*.tst %-*.txt 27// @diff@ %-*.tst %*.txt 28 29const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it 30 31void test05() 32{ 33 using namespace std; 34 using namespace __gnu_test; 35 36 typedef filebuf::int_type int_type; 37 typedef filebuf::traits_type traits_type; 38 39 bool test __attribute__((unused)) = true; 40 int_type c3; 41 42 // int_type sputc(char_type c) 43 // if out_cur not avail, return overflow(traits_type::to_int_type(c)) 44 // else, stores c at out_cur, 45 // increments out_cur, and returns c as int_type 46 47 // in 48 { 49 constraint_filebuf fb_01; 50 fb_01.pubsetbuf(0, 0); 51 fb_01.open(name_01, ios_base::in); 52 VERIFY( fb_01.unbuffered() ); 53 c3 = fb_01.sputc('a'); 54 VERIFY( c3 == traits_type::eof() ); 55 VERIFY( fb_01.unbuffered() ); 56 } 57} 58 59int main() 60{ 61 test05(); 62 return 0; 63} 64