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// { dg-require-fileio "" } 21 22#include <ext/stdio_sync_filebuf.h> 23#include <testsuite_hooks.h> 24 25// libstdc++/12048 26void test04() 27{ 28 bool test __attribute__((unused)) = true; 29 const char* name = "cin_unget-1.txt"; 30 31 std::FILE* file = std::fopen(name, "r"); 32 __gnu_cxx::stdio_sync_filebuf<char> sbuf(file); 33 char buf[2]; 34 VERIFY( sbuf.sgetn(buf, 2) == 2 ); 35 int c2 = sbuf.sungetc(); 36 VERIFY( c2 != EOF ); 37 int c3 = sbuf.sbumpc(); 38 VERIFY( c3 == std::char_traits<char>::to_int_type(buf[1]) ); 39 40 std::fclose(file); 41} 42 43int main () 44{ 45 test04(); 46 return 0; 47} 48