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#include <cwchar> 24 25void test02() 26{ 27 using namespace std; 28 29 bool test __attribute__((unused)) = true; 30 31 wint_t c1 = fgetwc(stdin); 32 wint_t c2 = wcin.rdbuf()->sputbackc(c1); 33 VERIFY( c2 == c1 ); 34 35 wint_t c3 = fgetwc(stdin); 36 VERIFY( c3 == c1 ); 37 ungetwc(c3, stdin); 38 39 wint_t c4 = wcin.rdbuf()->sgetc(); 40 VERIFY( c4 == c3 ); 41} 42 43int main() 44{ 45 test02(); 46 return 0; 47} 48