1// 2003-04-22 pme 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// 27.6.1.3 unformatted input functions 21// DR 60 -- seekg does not effect calls to gcount 22 23#include <istream> 24#include <sstream> 25#include <testsuite_hooks.h> 26 27void test01() 28{ 29 using namespace std; 30 bool test __attribute__((unused)) = true; 31 32 istringstream ist("the lamb lies down on broadway"); 33 ios::pos_type pos = ist.tellg(); 34 ist.ignore(4); 35 int count1 = ist.gcount(); 36 ist.seekg(pos); 37 int count2 = ist.gcount(); 38 VERIFY( count1 == count2 ); 39 ist.seekg(ios::off_type(pos), ios::beg); 40 count2 = ist.gcount(); 41 VERIFY( count1 == count2 ); 42} 43 44int main() 45{ 46 test01(); 47 return 0; 48} 49