path.pass.cpp (1262B)
1 //===----------------------------------------------------------------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is dual licensed under the MIT and the University of Illinois Open 6 // Source Licenses. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 // UNSUPPORTED: c++98, c++03, c++11, c++14 11 12 // <fstream> 13 14 // plate <class charT, class traits = char_traits<charT> > 15 // class basic_fstream 16 17 // explicit basic_fstream(const filesystem::path& s, 18 // ios_base::openmode mode = ios_base::in|ios_base::out); 19 20 #include <fstream> 21 #include <filesystem> 22 #include <cassert> 23 #include "platform_support.h" 24 25 namespace fs = std::filesystem; 26 27 int main() { 28 fs::path p = get_temp_file_name(); 29 { 30 std::fstream fs(p, std::ios_base::in | std::ios_base::out | 31 std::ios_base::trunc); 32 double x = 0; 33 fs << 3.25; 34 fs.seekg(0); 35 fs >> x; 36 assert(x == 3.25); 37 } 38 std::remove(p.c_str()); 39 { 40 std::wfstream fs(p, std::ios_base::in | std::ios_base::out | 41 std::ios_base::trunc); 42 double x = 0; 43 fs << 3.25; 44 fs.seekg(0); 45 fs >> x; 46 assert(x == 3.25); 47 } 48 std::remove(p.c_str()); 49 }