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libcxx_old/test/std/input.output/file.streams/fstreams/ofstream.members/open_path.pass.cpp

66 lines
1.4 KiB
C++

//===----------------------------------------------------------------------===//
//
// 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++98, c++03, c++11, c++14
// XFAIL: dylib-has-no-filesystem
// <fstream>
// plate <class charT, class traits = char_traits<charT> >
// class basic_ofstream
// void open(const filesystem::path& s, ios_base::openmode mode = ios_base::out);
#include <fstream>
#include <filesystem>
#include <cassert>
#include "test_macros.h"
#include "platform_support.h"
namespace fs = std::filesystem;
int main(int, char**) {
fs::path p = get_temp_file_name();
{
std::ofstream fs;
assert(!fs.is_open());
char c = 'a';
fs << c;
assert(fs.fail());
fs.open(p);
assert(fs.is_open());
fs << c;
}
{
std::ifstream fs(p.c_str());
char c = 0;
fs >> c;
assert(c == 'a');
}
std::remove(p.c_str());
{
std::wofstream fs;
assert(!fs.is_open());
wchar_t c = L'a';
fs << c;
assert(fs.fail());
fs.open(p);
assert(fs.is_open());
fs << c;
}
{
std::wifstream fs(p.c_str());
wchar_t c = 0;
fs >> c;
assert(c == L'a');
}
std::remove(p.c_str());
return 0;
}