12048-2.cc revision 1.1.1.1
1// Copyright (C) 2003, 2009 Free Software Foundation, Inc. 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// { dg-require-fileio "" } 19 20#include <iostream> 21#include <cstdio> 22#include <testsuite_hooks.h> 23 24void 25test01() 26{ 27 std::freopen("cin_unget-1.txt", "r", stdin); 28 29 char c1; 30 int c2; 31 std::cin.get(c1); 32 std::cin.unget(); 33 VERIFY( std::cin.good() ); 34 c2 = std::fgetc(stdin); 35 VERIFY( c2 == std::char_traits<char>::to_int_type(c1) ); 36} 37 38int main(void) 39{ 40 test01(); 41 return 0; 42} 43