1// 2003-04-30 Petur Runolfsson <peturr02@ru.is> 2 3// Copyright (C) 2003-2015 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#include <testsuite_hooks.h> 21#include <cstdio> 22#include <iostream> 23 24void test02() 25{ 26 using namespace std; 27 28 bool test __attribute__((unused)) = true; 29 30 int c1 = fgetc(stdin); 31 int c2 = cin.rdbuf()->sputbackc(c1); 32 VERIFY( c2 == c1 ); 33 34 int c3 = fgetc(stdin); 35 VERIFY( c3 == c1 ); 36 ungetc(c3, stdin); 37 38 int c4 = cin.rdbuf()->sgetc(); 39 VERIFY( c4 == c3 ); 40} 41 42int main() 43{ 44 test02(); 45 return 0; 46} 47