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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <fstream>
// template <class charT, class traits = char_traits<charT> >
// class basic_ofstream
// template <class charT, class traits>
// void swap(basic_ofstream<charT, traits>& x, basic_ofstream<charT, traits>& y);
#include <fstream>
#include <cassert>
#include "platform_support.h"
int main()
{
std::string temp1 = get_temp_file_name();
std::string temp2 = get_temp_file_name();
{
std::ofstream fs1(temp1.c_str());
std::ofstream fs2(temp2.c_str());
fs1 << 3.25;
fs2 << 4.5;
swap(fs1, fs2);
fs1 << ' ' << 3.25;
fs2 << ' ' << 4.5;
}
{
std::ifstream fs(temp1.c_str());
double x = 0;
fs >> x;
assert(x == 3.25);
fs >> x;
assert(x == 4.5);
}
std::remove(temp1.c_str());
{
std::ifstream fs(temp2.c_str());
double x = 0;
fs >> x;
assert(x == 4.5);
fs >> x;
assert(x == 3.25);
}
std::remove(temp2.c_str());
{
std::wofstream fs1(temp1.c_str());
std::wofstream fs2(temp2.c_str());
fs1 << 3.25;
fs2 << 4.5;
swap(fs1, fs2);
fs1 << ' ' << 3.25;
fs2 << ' ' << 4.5;
}
{
std::wifstream fs(temp1.c_str());
double x = 0;
fs >> x;
assert(x == 3.25);
fs >> x;
assert(x == 4.5);
}
std::remove(temp1.c_str());
{
std::wifstream fs(temp2.c_str());
double x = 0;
fs >> x;
assert(x == 4.5);
fs >> x;
assert(x == 3.25);
}
std::remove(temp2.c_str());
}
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