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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>
// basic_filebuf<charT,traits>* open(const char* s, ios_base::openmode mode);
#include <fstream>
#include <cassert>
#include "test_macros.h"
#include "platform_support.h"
int main(int, char**)
{
std::string temp = get_temp_file_name();
{
std::filebuf f;
assert(f.open(temp.c_str(), std::ios_base::out) != 0);
assert(f.is_open());
assert(f.sputn("123", 3) == 3);
}
{
std::filebuf f;
assert(f.open(temp.c_str(), std::ios_base::in) != 0);
assert(f.is_open());
assert(f.sbumpc() == '1');
assert(f.sbumpc() == '2');
assert(f.sbumpc() == '3');
}
std::remove(temp.c_str());
{
std::wfilebuf f;
assert(f.open(temp.c_str(), std::ios_base::out) != 0);
assert(f.is_open());
assert(f.sputn(L"123", 3) == 3);
}
{
std::wfilebuf f;
assert(f.open(temp.c_str(), 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(temp.c_str());
return 0;
}
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