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