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 // void open(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; 27 assert(!fs.is_open()); 28 fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out 29 | std::ios_base::trunc); 30 assert(fs.is_open()); 31 double x = 0; 32 fs << 3.25; 33 fs.seekg(0); 34 fs >> x; 35 assert(x == 3.25); 36 } 37 _wremove(temp.c_str()); 38 { 39 std::wfstream fs; 40 assert(!fs.is_open()); 41 fs.open(temp.c_str(), std::ios_base::in | std::ios_base::out 42 | std::ios_base::trunc); 43 assert(fs.is_open()); 44 double x = 0; 45 fs << 3.25; 46 fs.seekg(0); 47 fs >> x; 48 assert(x == 3.25); 49 } 50 _wremove(temp.c_str()); 51 #endif 52 } 53
