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    {
29        std::ifstream fs(std::string("test.dat"), std::ios_base::out);
30        double x = 0;
31        fs >> x;
32        assert(x == 3.25);
33    }
34    {
35        std::wifstream fs(std::string("test.dat"));
36        double x = 0;
37        fs >> x;
38        assert(x == 3.25);
39    }
40    {
41        std::wifstream fs(std::string("test.dat"), std::ios_base::out);
42        double x = 0;
43        fs >> x;
44        assert(x == 3.25);
45    }
46}
47