1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14 10 // UNSUPPORTED: libcpp-has-no-filesystem-library 11 12 // Filesystem is supported on Apple platforms starting with macosx10.15. 13 // UNSUPPORTED: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14}} 14 15 // <fstream> 16 17 // plate <class charT, class traits = char_traits<charT> > 18 // class basic_ofstream 19 20 // explicit basic_ofstream(const filesystem::path& s, ios_base::openmode mode = ios_base::out); 21 22 #include <fstream> 23 #include <filesystem> 24 #include <cassert> 25 #include "test_macros.h" 26 #include "platform_support.h" 27 28 namespace fs = std::filesystem; 29 30 int main(int, char**) { 31 fs::path p = get_temp_file_name(); 32 { 33 static_assert(!std::is_convertible<fs::path, std::ofstream>::value, 34 "ctor should be explicit"); 35 static_assert(std::is_constructible<std::ofstream, fs::path const&, 36 std::ios_base::openmode>::value, 37 ""); 38 } 39 { 40 std::ofstream stream(p); 41 stream << 3.25; 42 } 43 { 44 std::ifstream stream(p); 45 double x = 0; 46 stream >> x; 47 assert(x == 3.25); 48 } 49 { 50 std::ifstream stream(p, std::ios_base::out); 51 double x = 0; 52 stream >> x; 53 assert(x == 3.25); 54 } 55 std::remove(p.string().c_str()); 56 { 57 std::wofstream stream(p); 58 stream << 3.25; 59 } 60 { 61 std::wifstream stream(p); 62 double x = 0; 63 stream >> x; 64 assert(x == 3.25); 65 } 66 { 67 std::wifstream stream(p, std::ios_base::out); 68 double x = 0; 69 stream >> x; 70 assert(x == 3.25); 71 } 72 std::remove(p.string().c_str()); 73 74 return 0; 75 } 76