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// void close();
16
17#include <fstream>
18#include <cassert>
19
20int main()
21{
22    {
23        std::ifstream fs;
24        assert(!fs.is_open());
25        fs.open("test.dat");
26        assert(fs.is_open());
27        fs.close();
28        assert(!fs.is_open());
29    }
30    {
31        std::wifstream fs;
32        assert(!fs.is_open());
33        fs.open("test.dat");
34        assert(fs.is_open());
35        fs.close();
36        assert(!fs.is_open());
37    }
38}
39