1// Copyright (C) 2004, 2009 Free Software Foundation 2// 3// This file is part of the GNU ISO C++ Library. This library is free 4// software; you can redistribute it and/or modify it under the 5// terms of the GNU General Public License as published by the 6// Free Software Foundation; either version 3, or (at your option) 7// any later version. 8 9// This library is distributed in the hope that it will be useful, 10// but WITHOUT ANY WARRANTY; without even the implied warranty of 11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12// GNU General Public License for more details. 13 14// You should have received a copy of the GNU General Public License along 15// with this library; see the file COPYING3. If not see 16// <http://www.gnu.org/licenses/>. 17 18// 27.6.1.3 unformatted input functions 19// NB: ostream has a particular "seeks" category. Adopt this for istreams too. 20// @require@ %-*.tst %-*.txt 21// @diff@ %-*.tst %-*.txt 22 23#include <istream> 24#include <fstream> 25#include <testsuite_hooks.h> 26 27// fstreams 28void test04(void) 29{ 30 bool test __attribute__((unused)) = true; 31 std::wistream::pos_type pos01, pos02; 32 const char str_lit01[] = "wistream_seeks-1.txt"; 33 std::wifstream if01(str_lit01, std::ios_base::in | std::ios_base::out); 34 35 // libstdc++/6414 36 if01.seekg(0, std::ios_base::beg); 37 pos01 = if01.tellg(); 38 if01.peek(); 39 pos02 = if01.tellg(); 40 VERIFY( pos02 == pos01 ); 41} 42 43int main() 44{ 45 test04(); 46 return 0; 47} 48