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 // UNSUPPORTED: c++03, c++11, c++14, c++17
9
10 // <chrono>
11 // class day;
12
13 // constexpr day operator""d(unsigned long long d) noexcept;
14
15 #include <chrono>
16 #include <type_traits>
17 #include <cassert>
18
19 #include "test_macros.h"
20
main(int,char **)21 int main(int, char**)
22 {
23 {
24 using namespace std::chrono;
25 ASSERT_NOEXCEPT( 4d);
26 ASSERT_SAME_TYPE(day, decltype(4d));
27
28 static_assert( 7d == day(7), "");
29 day d1 = 4d;
30 assert (d1 == day(4));
31 }
32
33 {
34 using namespace std::literals;
35 ASSERT_NOEXCEPT( 4d);
36 ASSERT_SAME_TYPE(std::chrono::day, decltype(4d));
37
38 static_assert( 7d == std::chrono::day(7), "");
39
40 std::chrono::day d1 = 4d;
41 assert (d1 == std::chrono::day(4));
42 }
43
44
45 return 0;
46 }
47