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[] = "sgetc.txt"; // file with data in it 30const char name_02[] = "tmp_snextc_1out.tst"; // empty file, need to create 31const char name_03[] = "tmp_snextc_1io.tst"; // empty file, need to create 32 33void test05() 34{ 35 using namespace std; 36 using namespace __gnu_test; 37 typedef filebuf::int_type int_type; 38 typedef filebuf::traits_type traits_type; 39 40 bool test __attribute__((unused)) = true; 41 int_type c2; 42 43 // int_type snextc() 44 // calls sbumpc and if sbumpc != eof, return sgetc 45 46 // out 47 { 48 constraint_filebuf fb_02; 49 fb_02.open(name_02, ios_base::out | ios_base::trunc); 50 VERIFY( !fb_02.write_position() ); 51 VERIFY( !fb_02.read_position() ); 52 c2 = fb_02.snextc(); 53 VERIFY( c2 == traits_type::eof() ); 54 c2 = fb_02.snextc(); 55 VERIFY( c2 == traits_type::eof() ); 56 VERIFY( !fb_02.write_position() ); 57 VERIFY( !fb_02.read_position() ); 58 } 59} 60 61int main() 62{ 63 test05(); 64 return 0; 65} 66