1 //===----------------------------------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 // <fstream>
10 
11 // template <class charT, class traits = char_traits<charT> >
12 // class basic_ifstream
13 
14 // void close();
15 
16 #include <fstream>
17 #include <cassert>
18 
19 #include "test_macros.h"
20 
21 int main(int, char**)
22 {
23     {
24         std::ifstream fs;
25         assert(!fs.is_open());
26         fs.open("test.dat");
27         assert(fs.is_open());
28         fs.close();
29         assert(!fs.is_open());
30     }
31     {
32         std::wifstream fs;
33         assert(!fs.is_open());
34         fs.open("test.dat");
35         assert(fs.is_open());
36         fs.close();
37         assert(!fs.is_open());
38     }
39 
40   return 0;
41 }
42