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 wchar_t* 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 #ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR 24 std::wstring temp = get_wide_temp_file_name(); 25 { 26 std::fstream fs(temp.c_str(), 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 _wremove(temp.c_str()); 35 { 36 std::wfstream fs(temp.c_str(), std::ios_base::in | std::ios_base::out 37 | std::ios_base::trunc); 38 double x = 0; 39 fs << 3.25; 40 fs.seekg(0); 41 fs >> x; 42 assert(x == 3.25); 43 } 44 _wremove(temp.c_str()); 45 #endif 46 } 47