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 day;
15
16 // constexpr day operator""d(unsigned long long d) 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( 4d);
29 ASSERT_SAME_TYPE(day, decltype(4d));
30
31 static_assert( 7d == day(7), "");
32 day d1 = 4d;
33 assert (d1 == day(4));
34 }
35
36 {
37 using namespace std::literals;
38 ASSERT_NOEXCEPT( 4d);
39 ASSERT_SAME_TYPE(std::chrono::day, decltype(4d));
40
41 static_assert( 7d == std::chrono::day(7), "");
42
43 std::chrono::day d1 = 4d;
44 assert (d1 == std::chrono::day(4));
45 }
46
47 }
48