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_filebuf
13
14 // basic_filebuf(basic_filebuf&& rhs);
15
16 #include <fstream>
17 #include <cassert>
18 #include "test_macros.h"
19 #include "platform_support.h"
20
main(int,char **)21 int main(int, char**)
22 {
23 std::string temp = get_temp_file_name();
24 {
25 std::filebuf f;
26 assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
27 | std::ios_base::trunc) != 0);
28 assert(f.is_open());
29 assert(f.sputn("123", 3) == 3);
30 f.pubseekoff(1, std::ios_base::beg);
31 assert(f.sgetc() == '2');
32 std::filebuf f2(std::move(f));
33 assert(!f.is_open());
34 assert(f2.is_open());
35 assert(f2.sgetc() == '2');
36 }
37 std::remove(temp.c_str());
38
39 #ifndef TEST_HAS_NO_WIDE_CHARACTERS
40 {
41 std::wfilebuf f;
42 assert(f.open(temp.c_str(), std::ios_base::out | std::ios_base::in
43 | std::ios_base::trunc) != 0);
44 assert(f.is_open());
45 assert(f.sputn(L"123", 3) == 3);
46 f.pubseekoff(1, std::ios_base::beg);
47 assert(f.sgetc() == L'2');
48 std::wfilebuf f2(std::move(f));
49 assert(!f.is_open());
50 assert(f2.is_open());
51 assert(f2.sgetc() == L'2');
52 }
53 std::remove(temp.c_str());
54 #endif
55
56 return 0;
57 }
58