1// 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> 2 3// Copyright (C) 2001-2015 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_02[] = "tmp_sbumpc_1out.tst"; // empty file, need to create 30 31void test05() 32{ 33 using namespace std; 34 using namespace __gnu_test; 35 typedef filebuf::int_type int_type; 36 typedef filebuf::traits_type traits_type; 37 38 bool test __attribute__((unused)) = true; 39 40 // int_type sbumpc() 41 // if read_cur not avail returns uflow(), else return *read_cur & increment 42 43 // out 44 { 45 constraint_filebuf fb_02; 46 fb_02.open(name_02, ios_base::out | ios_base::trunc); 47 VERIFY( !fb_02.write_position() ); 48 VERIFY( !fb_02.read_position() ); 49 int_type c2 = fb_02.sbumpc(); 50 VERIFY( c2 == traits_type::eof() ); 51 int_type c4 = fb_02.sbumpc(); 52 VERIFY( c4 == traits_type::eof() ); 53 VERIFY( !fb_02.write_position() ); 54 VERIFY( !fb_02.read_position() ); 55 } 56} 57 58int main() 59{ 60 test05(); 61 return 0; 62} 63