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// Copyright (C) 2014-2016 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-options "-std=gnu++11" }
// { dg-require-fileio "" }
// 27.9.1.16 Assign and swap [fstream.assign]
#include <fstream>
#include <string>
#include <testsuite_hooks.h>
using namespace std;
string const name = "fstream-assign.txt";
void
test01()
{
string orig = "Let the whole outside world consist of a long paper tape.";
{
fstream f(name, ios::in|ios::out|ios::trunc);
VERIFY( f.is_open() );
f << orig;
fstream f1;
f1 = std::move(f);
VERIFY( f1.is_open() );
VERIFY( !f.is_open() );
f1.seekg(0);
string result;
getline(f1, result);
VERIFY( result == orig );
}
{
fstream f(name, ios::in);
VERIFY( f.is_open() );
fstream f1;
f1.swap(f);
VERIFY( f1.is_open() );
VERIFY( !f.is_open() );
string result;
getline(f1, result);
VERIFY( result == orig );
}
{
fstream f(name, ios::in);
VERIFY( f.is_open() );
fstream f1;
swap(f1, f);
VERIFY( f1.is_open() );
VERIFY( !f.is_open() );
string result;
getline(f1, result);
VERIFY( result == orig );
}
}
void
test02()
{
#ifdef _GLIBCXX_USE_WCHAR_T
wfstream f, f2;
f2 = std::move(f);
f2.swap(f);
swap(f2, f);
#endif
}
int
main()
{
test01();
test02();
}
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