string.pass.cpp
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//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
// <fstream>
// template <class charT, class traits = char_traits<charT> >
// class basic_fstream
// explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
#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 fs(temp,
std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp.c_str());
{
std::wfstream fs(temp,
std::ios_base::in | std::ios_base::out
| std::ios_base::trunc);
double x = 0;
fs << 3.25;
fs.seekg(0);
fs >> x;
assert(x == 3.25);
}
std::remove(temp.c_str());
return 0;
}