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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
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14
// UNSUPPORTED: no-filesystem
// Filesystem is supported on Apple platforms starting with macosx10.15.
// UNSUPPORTED: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14}}
// <fstream>
// plate <class charT, class traits = char_traits<charT> >
// class basic_fstream
// void open(const filesystem::path& s, ios_base::openmode mode = ios_base::in|ios_base::out);
#include <fstream>
#include <filesystem>
#include <cassert>
#include "test_macros.h"
#include "platform_support.h"
int main(int, char**) {
std::filesystem::path p = get_temp_file_name();
{
std::fstream stream;
assert(!stream.is_open());
stream.open(p,
std::ios_base::in | std::ios_base::out | std::ios_base::trunc);
assert(stream.is_open());
double x = 0;
stream << 3.25;
stream.seekg(0);
stream >> x;
assert(x == 3.25);
}
std::remove(p.string().c_str());
#ifndef TEST_HAS_NO_WIDE_CHARACTERS
{
std::wfstream stream;
assert(!stream.is_open());
stream.open(p,
std::ios_base::in | std::ios_base::out | std::ios_base::trunc);
assert(stream.is_open());
double x = 0;
stream << 3.25;
stream.seekg(0);
stream >> x;
assert(x == 3.25);
}
std::remove(p.string().c_str());
#endif
return 0;
}
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