move_assign.pass.cpp revision f5256e16dfc425c1d466f6308d4026d529ce9e0b 
1//===----------------------------------------------------------------------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <fstream>
11
12// template <class charT, class traits = char_traits<charT> >
13// class basic_filebuf
14
15// basic_filebuf& operator=(basic_filebuf&& rhs);
16
17#include <fstream>
18#include <cassert>
19
20int main()
21{
22#ifdef _LIBCPP_MOVE
23    {
24        std::filebuf f;
25        assert(f.open("test.dat", std::ios_base::out | std::ios_base::in
26                                                     | std::ios_base::trunc) != 0);
27        assert(f.is_open());
28        assert(f.sputn("123", 3) == 3);
29        f.pubseekoff(1, std::ios_base::beg);
30        assert(f.sgetc() == '2');
31        std::filebuf f2;
32        f2 = move(f);
33        assert(!f.is_open());
34        assert(f2.is_open());
35        assert(f2.sgetc() == '2');
36    }
37    remove("test.dat");
38    {
39        std::wfilebuf f;
40        assert(f.open("test.dat", std::ios_base::out | std::ios_base::in
41                                                     | std::ios_base::trunc) != 0);
42        assert(f.is_open());
43        assert(f.sputn(L"123", 3) == 3);
44        f.pubseekoff(1, std::ios_base::beg);
45        assert(f.sgetc() == L'2');
46        std::wfilebuf f2;
47        f2 = move(f);
48        assert(!f.is_open());
49        assert(f2.is_open());
50        assert(f2.sgetc() == L'2');
51    }
52    remove("test.dat");
53#endif
54}
55