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libcxx_old/test/std/input.output/file.streams/fstreams/fstream.assign/move_assign.pass.cpp

53 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03
// <fstream>
// template <class charT, class traits = char_traits<charT> >
// class basic_fstream
// basic_fstream& operator=(basic_fstream&& rhs);
#include <fstream>
#include <cassert>
#include "test_macros.h"
#include "platform_support.h"
int main(int, char**)
{
std::string temp = get_temp_file_name();
{
std::fstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
std::fstream fs;
fs = move(fso);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp.c_str());
{
std::wfstream fso(temp.c_str(), std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
std::wfstream fs;
fs = move(fso);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp.c_str());
return 0;
}