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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"
#include "operator_hijacker.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::basic_fstream<char, operator_hijacker_char_traits<char> > fs(
temp, std::ios_base::in | std::ios_base::out | std::ios_base::trunc);
std::basic_string<char, operator_hijacker_char_traits<char> > x;
fs << "3.25";
fs.seekg(0);
fs >> x;
assert(x == "3.25");
}
std::remove(temp.c_str());
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
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());
{
std::basic_fstream<wchar_t, operator_hijacker_char_traits<wchar_t> > fs(
temp, std::ios_base::in | std::ios_base::out | std::ios_base::trunc);
std::basic_string<wchar_t, operator_hijacker_char_traits<wchar_t> > x;
fs << L"3.25";
fs.seekg(0);
fs >> x;
assert(x == L"3.25");
}
std::remove(temp.c_str());
#endif
return 0;
}
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