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 // UNSUPPORTED: clang-5, clang-6, clang-7
11 // UNSUPPORTED: apple-clang-6, apple-clang-7, apple-clang-8, apple-clang-9, apple-clang-10
12
13 // <chrono>
14 // class year;
15
16 // constexpr year operator""y(unsigned long long y) noexcept;
17
18 #include <chrono>
19 #include <type_traits>
20 #include <cassert>
21
22 #include "test_macros.h"
23
main()24 int main()
25 {
26 {
27 using namespace std::chrono;
28 ASSERT_NOEXCEPT(4y);
29
30 static_assert( 2017y == year(2017), "");
31 year y1 = 2018y;
32 assert (y1 == year(2018));
33 }
34
35 {
36 using namespace std::literals;
37 ASSERT_NOEXCEPT(4d);
38
39 static_assert( 2017y == std::chrono::year(2017), "");
40
41 std::chrono::year y1 = 2020y;
42 assert (y1 == std::chrono::year(2020));
43 }
44 }
45