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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.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// <fstream>
// basic_filebuf<charT,traits>* open(const filesystem::path& p, ios_base::openmode mode);
#include <fstream>
#include <filesystem>
#include <cassert>
#include "platform_support.h"
namespace fs = std::filesystem;
int main() {
fs::path p = get_temp_file_name();
{
std::filebuf f;
assert(f.open(p, std::ios_base::out) != 0);
assert(f.is_open());
assert(f.sputn("123", 3) == 3);
}
{
std::filebuf f;
assert(f.open(p, std::ios_base::in) != 0);
assert(f.is_open());
assert(f.sbumpc() == '1');
assert(f.sbumpc() == '2');
assert(f.sbumpc() == '3');
}
std::remove(p.c_str());
{
std::wfilebuf f;
assert(f.open(p, std::ios_base::out) != 0);
assert(f.is_open());
assert(f.sputn(L"123", 3) == 3);
}
{
std::wfilebuf f;
assert(f.open(p, std::ios_base::in) != 0);
assert(f.is_open());
assert(f.sbumpc() == L'1');
assert(f.sbumpc() == L'2');
assert(f.sbumpc() == L'3');
}
remove(p.c_str());
}
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