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 // <fstream> 11 12 // template <class charT, class traits = char_traits<charT> > 13 // class basic_fstream 14 15 // explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out); 16 17 #include <fstream> 18 #include <cassert> 19 #include "platform_support.h" 20 21 int main() 22 { 23 std::string temp = get_temp_file_name(); 24 { 25 std::fstream fs(temp, 26 std::ios_base::in | std::ios_base::out 27 | std::ios_base::trunc); 28 double x = 0; 29 fs << 3.25; 30 fs.seekg(0); 31 fs >> x; 32 assert(x == 3.25); 33 } 34 std::remove(temp.c_str()); 35 { 36 std::wfstream fs(temp, 37 std::ios_base::in | std::ios_base::out 38 | std::ios_base::trunc); 39 double x = 0; 40 fs << 3.25; 41 fs.seekg(0); 42 fs >> x; 43 assert(x == 3.25); 44 } 45 std::remove(temp.c_str()); 46 } 47
