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_ofstream 14 15 // explicit basic_ofstream(const string& s, ios_base::openmode mode = 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::ofstream fs(temp); 26 fs << 3.25; 27 } 28 { 29 std::ifstream fs(temp); 30 double x = 0; 31 fs >> x; 32 assert(x == 3.25); 33 } 34 { 35 std::ifstream fs(temp, std::ios_base::out); 36 double x = 0; 37 fs >> x; 38 assert(x == 3.25); 39 } 40 std::remove(temp.c_str()); 41 { 42 std::wofstream fs(temp); 43 fs << 3.25; 44 } 45 { 46 std::wifstream fs(temp); 47 double x = 0; 48 fs >> x; 49 assert(x == 3.25); 50 } 51 { 52 std::wifstream fs(temp, std::ios_base::out); 53 double x = 0; 54 fs >> x; 55 assert(x == 3.25); 56 } 57 std::remove(temp.c_str()); 58 } 59
