// Copyright (C) 2003, 2009 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . #include #include #include #include void test01() { VERIFY( std::freopen("cin_unget-1.txt", "r", stdin) ); wchar_t c1; std::wint_t c2; std::wcin.get(c1); std::wcin.unget(); VERIFY( std::wcin.good() ); c2 = std::fgetwc(stdin); VERIFY( c2 == std::char_traits::to_int_type(c1) ); } int main(void) { test01(); return 0; }