forked from OSchip/llvm-project
81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// UNSUPPORTED: c++03, c++11, c++14
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// UNSUPPORTED: libcpp-has-no-filesystem-library
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// Filesystem is supported on Apple platforms starting with macosx10.15.
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// UNSUPPORTED: with_system_cxx_lib=macosx10.14
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// UNSUPPORTED: with_system_cxx_lib=macosx10.13
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// UNSUPPORTED: with_system_cxx_lib=macosx10.12
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// UNSUPPORTED: with_system_cxx_lib=macosx10.11
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// UNSUPPORTED: with_system_cxx_lib=macosx10.10
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// UNSUPPORTED: with_system_cxx_lib=macosx10.9
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// <fstream>
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// plate <class charT, class traits = char_traits<charT> >
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// class basic_ofstream
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// explicit basic_ofstream(const filesystem::path& s, ios_base::openmode mode = ios_base::out);
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#include <fstream>
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#include <filesystem>
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#include <cassert>
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#include "test_macros.h"
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#include "platform_support.h"
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namespace fs = std::filesystem;
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int main(int, char**) {
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fs::path p = get_temp_file_name();
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{
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static_assert(!std::is_convertible<fs::path, std::ofstream>::value,
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"ctor should be explicit");
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static_assert(std::is_constructible<std::ofstream, fs::path const&,
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std::ios_base::openmode>::value,
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"");
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}
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{
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std::ofstream stream(p);
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stream << 3.25;
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}
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{
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std::ifstream stream(p);
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double x = 0;
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stream >> x;
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assert(x == 3.25);
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}
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{
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std::ifstream stream(p, std::ios_base::out);
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double x = 0;
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stream >> x;
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assert(x == 3.25);
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}
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std::remove(p.c_str());
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{
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std::wofstream stream(p);
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stream << 3.25;
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}
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{
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std::wifstream stream(p);
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double x = 0;
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stream >> x;
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assert(x == 3.25);
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}
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{
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std::wifstream stream(p, std::ios_base::out);
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double x = 0;
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stream >> x;
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assert(x == 3.25);
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}
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std::remove(p.c_str());
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return 0;
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}
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