string.pass.cpp revision b64f8b07c104c6cc986570ac8ee0ed16a9f23976 
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_fstream
14
15// explicit basic_fstream(const string& s, ios_base::openmode mode = ios_base::in|ios_base::out);
16
17#include <fstream>
18#include <cassert>
19
20int main()
21{
22    {
23        std::fstream fs(std::string("test.dat"),
24                        std::ios_base::in | std::ios_base::out
25                                          | std::ios_base::trunc);
26        double x = 0;
27        fs << 3.25;
28        fs.seekg(0);
29        fs >> x;
30        assert(x == 3.25);
31    }
32    std::remove("test.dat");
33    {
34        std::wfstream fs(std::string("test.dat"),
35                         std::ios_base::in | std::ios_base::out
36                                           | std::ios_base::trunc);
37        double x = 0;
38        fs << 3.25;
39        fs.seekg(0);
40        fs >> x;
41        assert(x == 3.25);
42    }
43    std::remove("test.dat");
44}
45