1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001, 2002, 2003 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 2, 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 COPYING. If not, write to the Free 18// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 19// USA. 20 21// 27.8.1.4 Overridden virtual functions 22 23#include <fstream> 24#include <testsuite_hooks.h> 25#include <testsuite_io.h> 26 27// @require@ %-*.tst %-*.txt 28// @diff@ %-*.tst %*.txt 29 30const char name_02[] = "tmp_snextc_2out.tst"; // empty file, need to create 31 32void test05() 33{ 34 using namespace std; 35 using namespace __gnu_test; 36 typedef filebuf::int_type int_type; 37 typedef filebuf::traits_type traits_type; 38 39 bool test __attribute__((unused)) = true; 40 int_type c2; 41 42 // int_type snextc() 43 // calls sbumpc and if sbumpc != eof, return sgetc 44 45 // out 46 { 47 constraint_filebuf fb_02; 48 fb_02.pubsetbuf(0, 0); 49 fb_02.open(name_02, ios_base::out | ios_base::trunc); 50 VERIFY( fb_02.unbuffered() ); 51 c2 = fb_02.snextc(); 52 VERIFY( c2 == traits_type::eof() ); 53 c2 = fb_02.snextc(); 54 VERIFY( c2 == traits_type::eof() ); 55 VERIFY( fb_02.unbuffered() ); 56 } 57} 58 59int main() 60{ 61 test05(); 62 return 0; 63} 64