// 2003-05-01 Petur Runolfsson <peturr02@ru.is> // Copyright (C) 2003 Free Software Foundation // // 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 2, 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 COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. #include <ext/stdio_sync_filebuf.h> #include <testsuite_hooks.h> // libstdc++/12048 void test05() { bool test __attribute__((unused)) = true; const char* name = "cin_unget-1.txt"; std::FILE* file = std::fopen(name, "r"); __gnu_cxx::stdio_sync_filebuf<wchar_t> sbuf(file); wchar_t buf[2]; VERIFY( sbuf.sgetn(buf, 2) == 2 ); std::wint_t c2 = sbuf.sungetc(); VERIFY( c2 != WEOF ); std::wint_t c3 = std::fgetwc(file); VERIFY( c3 == std::char_traits<wchar_t>::to_int_type(buf[1]) ); std::fclose(file); } int main () { test05(); return 0; }