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 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
10 // XFAIL: *
11
12 // <chrono>
13 // class year;
14
15 // template<class charT, class traits>
16 // basic_ostream<charT, traits>&
17 // operator<<(basic_ostream<charT, traits>& os, const year& y);
18 //
19 // Effects: Inserts format(fmt, y) where fmt is "%Y" widened to charT.
20 // If !y.ok(), appends with " is not a valid year".
21 //
22 // template<class charT, class traits>
23 // basic_ostream<charT, traits>&
24 // to_stream(basic_ostream<charT, traits>& os, const charT* fmt, const year& y);
25 //
26 // Effects: Streams y into os using the format specified by the NTCTS fmt.
27 // fmt encoding follows the rules specified in 25.11.
28 //
29 // template<class charT, class traits, class Alloc = allocator<charT>>
30 // basic_istream<charT, traits>&
31 // from_stream(basic_istream<charT, traits>& is, const charT* fmt,
32 // year& y, basic_string<charT, traits, Alloc>* abbrev = nullptr,
33 // minutes* offset = nullptr);
34 //
35 // Effects: Attempts to parse the input stream is into the year y using the format flags
36 // given in the NTCTS fmt as specified in 25.12. If the parse fails to decode a valid year,
37 // is.setstate(ios_base::failbit) shall be called and y shall not be modified. If %Z is used
38 // and successfully parsed, that value will be assigned to *abbrev if abbrev is non-null.
39 // If %z (or a modified variant) is used and successfully parsed, that value will be
40 // assigned to *offset if offset is non-null.
41
42
43 #include <chrono>
44 #include <type_traits>
45 #include <cassert>
46 #include <iostream>
47
48 #include "test_macros.h"
49
main()50 int main()
51 {
52 using year = std::chrono::year;
53
54 std::cout << year{2018};
55 }
56