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_ofstream
13 
14 // explicit basic_ofstream(const char* s, ios_base::openmode mode = ios_base::out);
15 
16 #include <fstream>
17 #include <cassert>
18 #include "test_macros.h"
19 #include "platform_support.h"
20 
21 int main(int, char**)
22 {
23     std::string temp = get_temp_file_name();
24     {
25         std::ofstream fs(temp.c_str());
26         fs << 3.25;
27     }
28     {
29         std::ifstream fs(temp.c_str());
30         double x = 0;
31         fs >> x;
32         assert(x == 3.25);
33     }
34     {
35         std::ifstream fs(temp.c_str(), std::ios_base::out);
36         double x = 0;
37         fs >> x;
38         assert(x == 3.25);
39     }
40     std::remove(temp.c_str());
41 
42 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
43     {
44         std::wofstream fs(temp.c_str());
45         fs << 3.25;
46     }
47     {
48         std::wifstream fs(temp.c_str());
49         double x = 0;
50         fs >> x;
51         assert(x == 3.25);
52     }
53     {
54         std::wifstream fs(temp.c_str(), std::ios_base::out);
55         double x = 0;
56         fs >> x;
57         assert(x == 3.25);
58     }
59     std::remove(temp.c_str());
60 #endif
61 
62   return 0;
63 }
64