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// <istream>
10
11// template <class charT, class traits = char_traits<charT> >
12// class basic_iostream;
13
14// basic_iostream(basic_iostream&& rhs);
15
16#include <istream>
17#include <cassert>
18#include <streambuf>
19
20#include "test_macros.h"
21
22
23template <class CharT>
24struct testbuf
25 : public std::basic_streambuf<CharT>
26{
27 testbuf() {}
28};
29
30template <class CharT>
31struct test_iostream
32 : public std::basic_iostream<CharT>
33{
34 typedef std::basic_iostream<CharT> base;
35 test_iostream(testbuf<CharT>* sb) : base(sb) {}
36
37 test_iostream(test_iostream&& s)
38 : base(std::move(s)) {}
39};
40
41
42int main(int, char**)
43{
44 {
45 testbuf<char> sb;
46 test_iostream<char> is1(&sb);
47 test_iostream<char> is(std::move(is1));
48 assert(is1.rdbuf() == &sb);
49 assert(is1.gcount() == 0);
50 assert(is.gcount() == 0);
51 assert(is.rdbuf() == 0);
52 assert(is.tie() == 0);
53 assert(is.fill() == ' ');
54 assert(is.rdstate() == is.goodbit);
55 assert(is.exceptions() == is.goodbit);
56 assert(is.flags() == (is.skipws | is.dec));
57 assert(is.precision() == 6);
58 assert(is.getloc().name() == "C");
59 }
60#ifndef TEST_HAS_NO_WIDE_CHARACTERS
61 {
62 testbuf<wchar_t> sb;
63 test_iostream<wchar_t> is1(&sb);
64 test_iostream<wchar_t> is(std::move(is1));
65 assert(is1.gcount() == 0);
66 assert(is.gcount() == 0);
67 assert(is1.rdbuf() == &sb);
68 assert(is.rdbuf() == 0);
69 assert(is.tie() == 0);
70 assert(is.fill() == L' ');
71 assert(is.rdstate() == is.goodbit);
72 assert(is.exceptions() == is.goodbit);
73 assert(is.flags() == (is.skipws | is.dec));
74 assert(is.precision() == 6);
75 assert(is.getloc().name() == "C");
76 }
77#endif
78
79 return 0;
80}
81

source code of libcxx/test/std/input.output/iostream.format/input.streams/iostreamclass/iostream.cons/move.pass.cpp