pointer.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 char* 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("test.dat", std::ios_base::in | std::ios_base::out
24                                                      | std::ios_base::trunc);
25        double x = 0;
26        fs << 3.25;
27        fs.seekg(0);
28        fs >> x;
29        assert(x == 3.25);
30    }
31    std::remove("test.dat");
32    {
33        std::wfstream fs("test.dat", std::ios_base::in | std::ios_base::out
34                                                       | std::ios_base::trunc);
35        double x = 0;
36        fs << 3.25;
37        fs.seekg(0);
38        fs >> x;
39        assert(x == 3.25);
40    }
41    std::remove("test.dat");
42}
43