| //===----------------------------------------------------------------------===// |
| // |
| // 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_fstream |
| |
| // explicit basic_fstream(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" |
| |
| namespace fs = std::filesystem; |
| |
| int main(int, char**) { |
| fs::path p = get_temp_file_name(); |
| { |
| std::fstream fs(p, 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(p.c_str()); |
| { |
| std::wfstream fs(p, 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(p.c_str()); |
| |
| return 0; |
| } |