//===----------------------------------------------------------------------===// // // 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(const char*, std::ios_base::openmode) is tested in // test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp // which creates writable files. { std::wifstream fs("test.dat"); double x = 0; fs >> x; assert(x == 3.25); } // std::wifstream(const char*, std::ios_base::openmode) is tested in // test/std/input.output/file.streams/fstreams/ofstream.cons/pointer.pass.cpp // which creates writable files. }