| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // <fstream> |
| |
| // template <class charT, class traits = char_traits<charT> > |
| // class basic_ifstream |
| |
| // explicit basic_ifstream(const char* s, ios_base::openmode mode = ios_base::in); |
| |
| #include <fstream> |
| #include <cassert> |
| |
| int main() |
| { |
| { |
| std::ifstream fs("test.dat"); |
| double x = 0; |
| fs >> x; |
| assert(x == 3.25); |
| } |
| { |
| std::ifstream fs("test.dat", std::ios_base::out); |
| double x = 0; |
| fs >> x; |
| assert(x == 3.25); |
| } |
| { |
| std::wifstream fs("test.dat"); |
| double x = 0; |
| fs >> x; |
| assert(x == 3.25); |
| } |
| { |
| std::wifstream fs("test.dat", std::ios_base::out); |
| double x = 0; |
| fs >> x; |
| assert(x == 3.25); |
| } |
| } |