1// 2003-05-01 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 <ext/stdio_sync_filebuf.h> 21#include <testsuite_hooks.h> 22 23// libstdc++/12048 24void test04() 25{ 26 bool test __attribute__((unused)) = true; 27 const char* name = "cin_unget-1.txt"; 28 29 std::FILE* file = std::fopen(name, "r"); 30 __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file); 31 wchar_t buf[2]; 32 VERIFY( sbuf.sgetn(buf, 2) == 2 ); 33 std::wint_t c2 = sbuf.sungetc(); 34 VERIFY( c2 != WEOF ); 35 std::wint_t c3 = sbuf.sbumpc(); 36 VERIFY( c3 == std::char_traits<wchar_t>::to_int_type(buf[1]) ); 37 38 std::fclose(file); 39} 40 41int main () 42{ 43 test04(); 44 return 0; 45} 46