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 weekday_indexed;
12
13 // weekday_indexed() = default;
14 // constexpr weekday_indexed(const chrono::weekday& wd, unsigned index) noexcept;
15 //
16 // Effects: Constructs an object of type weekday_indexed by initializing wd_ with wd and index_ with index.
17 // The values held are unspecified if !wd.ok() or index is not in the range [1, 5].
18 //
19 // constexpr chrono::weekday weekday() const noexcept;
20 // constexpr unsigned index() const noexcept;
21 // constexpr bool ok() const noexcept;
22
23 #include <chrono>
24 #include <type_traits>
25 #include <cassert>
26
27 #include "test_macros.h"
28
main(int,char **)29 int main(int, char**)
30 {
31 using weekday = std::chrono::weekday;
32 using weekday_indexed = std::chrono::weekday_indexed;
33
34 ASSERT_NOEXCEPT(weekday_indexed{});
35 ASSERT_NOEXCEPT(weekday_indexed(weekday{1}, 1));
36
37 constexpr weekday_indexed wdi0{};
38 static_assert( wdi0.weekday() == weekday{}, "");
39 static_assert( wdi0.index() == 0, "");
40 static_assert(!wdi0.ok(), "");
41
42 constexpr weekday_indexed wdi1{std::chrono::Sunday, 2};
43 static_assert( wdi1.weekday() == std::chrono::Sunday, "");
44 static_assert( wdi1.index() == 2, "");
45 static_assert( wdi1.ok(), "");
46
47 for (unsigned i = 1; i <= 5; ++i)
48 {
49 weekday_indexed wdi(std::chrono::Tuesday, i);
50 assert( wdi.weekday() == std::chrono::Tuesday);
51 assert( wdi.index() == i);
52 assert( wdi.ok());
53 }
54
55 for (unsigned i = 6; i <= 20; ++i)
56 {
57 weekday_indexed wdi(std::chrono::Tuesday, i);
58 assert(!wdi.ok());
59 }
60
61 return 0;
62 }
63