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_ofstream
14
15// void open(const wchar_t* s, ios_base::openmode mode = ios_base::out);
16
17#include <fstream>
18#include <cassert>
19#include "platform_support.h"
20
21int main()
22{
23#ifdef _LIBCPP_HAS_OPEN_WITH_WCHAR
24    std::wstring temp = get_wide_temp_file_name();
25    {
26        std::ofstream fs;
27        assert(!fs.is_open());
28        char c = 'a';
29        fs << c;
30        assert(fs.fail());
31        fs.open(temp.c_str());
32        assert(fs.is_open());
33        fs << c;
34    }
35    {
36        std::ifstream fs(temp.c_str());
37        char c = 0;
38        fs >> c;
39        assert(c == 'a');
40    }
41    _wremove(temp.c_str());
42    {
43        std::wofstream fs;
44        assert(!fs.is_open());
45        wchar_t c = L'a';
46        fs << c;
47        assert(fs.fail());
48        fs.open(temp.c_str());
49        assert(fs.is_open());
50        fs << c;
51    }
52    {
53        std::wifstream fs(temp.c_str());
54        wchar_t c = 0;
55        fs >> c;
56        assert(c == L'a');
57    }
58    _wremove(temp.c_str());
59#endif
60}
61