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// Copyright (C) 2004-2016 Free Software Foundation, Inc.
//
// 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 3, 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 COPYING3. If not see
// <http://www.gnu.org/licenses/>.
// { dg-require-fileio "" }
// 27.6.1.3 unformatted input functions
// NB: ostream has a particular "seeks" category. Adopt this for istreams too.
// @require@ %-*.tst %-*.txt
// @diff@ %-*.tst %-*.txt
#include <istream>
#include <sstream>
#include <fstream>
#include <testsuite_hooks.h>
void test01()
{
using namespace std;
typedef ios::off_type off_type;
typedef ios::pos_type pos_type;
bool test __attribute__((unused)) = true;
const char str_lit01[] = "wistream_seeks-1.tst";
// in
wistringstream ist1;
pos_type p3 = ist1.tellg();
wifstream ifs1;
pos_type p4 = ifs1.tellg();
// N.B. We implement the resolution of DR 453 and
// istringstream::tellg() doesn't fail.
VERIFY( p3 == pos_type(off_type(0)) );
VERIFY( p4 == pos_type(off_type(-1)) );
// in
// test ctors leave things in the same positions...
wistringstream ist2(L"bob_marley:kaya");
p3 = ist2.tellg();
wifstream ifs2(str_lit01);
p4 = ifs2.tellg();
VERIFY( p3 == p4 );
}
int main()
{
test01();
return 0;
}
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