1// Copyright (C) 2004-2015 Free Software Foundation, Inc. 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// DR 60 -- seekg does not effect calls to gcount 20 21#include <istream> 22#include <sstream> 23#include <testsuite_hooks.h> 24 25void test01() 26{ 27 using namespace std; 28 bool test __attribute__((unused)) = true; 29 30 wistringstream ist(L"the lamb lies down on broadway"); 31 wios::pos_type pos = ist.tellg(); 32 ist.ignore(4); 33 int count1 = ist.gcount(); 34 ist.seekg(pos); 35 int count2 = ist.gcount(); 36 VERIFY( count1 == count2 ); 37 ist.seekg(wios::off_type(pos), wios::beg); 38 count2 = ist.gcount(); 39 VERIFY( count1 == count2 ); 40} 41 42int main() 43{ 44 test01(); 45 return 0; 46} 47