1260684Skaiw// 2003-05-01 Petur Runolfsson <peturr02@ru.is> 2260684Skaiw 3260684Skaiw// Copyright (C) 2003-2015 Free Software Foundation, Inc. 4260684Skaiw// 5260684Skaiw// This file is part of the GNU ISO C++ Library. This library is free 6260684Skaiw// software; you can redistribute it and/or modify it under the 7260684Skaiw// terms of the GNU General Public License as published by the 8260684Skaiw// Free Software Foundation; either version 3, or (at your option) 9260684Skaiw// any later version. 10260684Skaiw 11260684Skaiw// This library is distributed in the hope that it will be useful, 12260684Skaiw// but WITHOUT ANY WARRANTY; without even the implied warranty of 13260684Skaiw// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14260684Skaiw// GNU General Public License for more details. 15260684Skaiw 16260684Skaiw// You should have received a copy of the GNU General Public License along 17260684Skaiw// with this library; see the file COPYING3. If not see 18260684Skaiw// <http://www.gnu.org/licenses/>. 19260684Skaiw 20260684Skaiw#include <ext/stdio_sync_filebuf.h> 21260684Skaiw#include <testsuite_hooks.h> 22260684Skaiw 23260684Skaiw// libstdc++/12048 24260684Skaiwvoid test02() 25367466Sdim{ 26260684Skaiw bool test __attribute__((unused)) = true; 27260684Skaiw const char* name = "cin_unget-1.txt"; 28367466Sdim 29260684Skaiw std::FILE* file = std::fopen(name, "r"); 30260684Skaiw __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file); 31260684Skaiw std::wint_t c1 = sbuf.sbumpc(); 32260684Skaiw VERIFY( c1 != WEOF ); 33260684Skaiw std::wint_t c2 = sbuf.sungetc(); 34260684Skaiw VERIFY( c2 != WEOF ); 35260684Skaiw std::wint_t c3 = sbuf.sbumpc(); 36260684Skaiw VERIFY( c3 == c1 ); 37260684Skaiw 38260684Skaiw std::fclose(file); 39260684Skaiw} 40260684Skaiw 41260684Skaiwint main () 42260684Skaiw{ 43260684Skaiw test02(); 44260684Skaiw return 0; 45260684Skaiw} 46260684Skaiw