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 // UNSUPPORTED: c++98, c++03
11 
12 // <ostream>
13 
14 // template <class charT, class traits = char_traits<charT> >
15 // class basic_ostream;
16 
17 // basic_ostream(basic_ostream&& rhs);
18 
19 #include <ostream>
20 #include <cassert>
21 
22 
23 template <class CharT>
24 struct testbuf
25     : public std::basic_streambuf<CharT>
26 {
testbuftestbuf27     testbuf() {}
28 };
29 
30 template <class CharT>
31 struct test_ostream
32     : public std::basic_ostream<CharT>
33 {
34     typedef std::basic_ostream<CharT> base;
test_ostreamtest_ostream35     test_ostream(testbuf<CharT>* sb) : base(sb) {}
36 
test_ostreamtest_ostream37     test_ostream(test_ostream&& s)
38         : base(std::move(s)) {}
39 };
40 
41 
main()42 int main()
43 {
44     {
45         testbuf<char> sb;
46         test_ostream<char> os1(&sb);
47         test_ostream<char> os(std::move(os1));
48         assert(os1.rdbuf() == &sb);
49         assert(os.rdbuf() == 0);
50         assert(os.tie() == 0);
51         assert(os.fill() == ' ');
52         assert(os.rdstate() == os.goodbit);
53         assert(os.exceptions() == os.goodbit);
54         assert(os.flags() == (os.skipws | os.dec));
55         assert(os.precision() == 6);
56         assert(os.getloc().name() == "C");
57     }
58     {
59         testbuf<wchar_t> sb;
60         test_ostream<wchar_t> os1(&sb);
61         test_ostream<wchar_t> os(std::move(os1));
62         assert(os1.rdbuf() == &sb);
63         assert(os.rdbuf() == 0);
64         assert(os.tie() == 0);
65         assert(os.fill() == L' ');
66         assert(os.rdstate() == os.goodbit);
67         assert(os.exceptions() == os.goodbit);
68         assert(os.flags() == (os.skipws | os.dec));
69         assert(os.precision() == 6);
70         assert(os.getloc().name() == "C");
71     }
72 }
73