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_ifstream
14
15// explicit basic_ifstream(const string& s, ios_base::openmode mode = ios_base::in);
16
17#include <fstream>
18#include <cassert>
19
20int main()
21{
22    {
23        std::ifstream fs(std::string("test.dat"));
24        double x = 0;
25        fs >> x;
26        assert(x == 3.25);
27    }
28    // std::ifstream(const std::string&, std::ios_base::openmode) is tested in
29    // test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
30    // which creates writable files.
31    {
32        std::wifstream fs(std::string("test.dat"));
33        double x = 0;
34        fs >> x;
35        assert(x == 3.25);
36    }
37    // std::wifstream(const std::string&, std::ios_base::openmode) is tested in
38    // test/std/input.output/file.streams/fstreams/ofstream.cons/string.pass.cpp
39    // which creates writable files.
40}
41