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 year;
12
13 // constexpr bool ok() const noexcept;
14 // Returns: min() <= y_ && y_ <= max().
15 //
16 // static constexpr year min() noexcept;
17 // Returns year{ 32767};
18 // static constexpr year max() noexcept;
19 // Returns year{-32767};
20
21 #include <chrono>
22 #include <type_traits>
23 #include <cassert>
24
25 #include "test_macros.h"
26
main(int,char **)27 int main(int, char**)
28 {
29 using year = std::chrono::year;
30
31 ASSERT_NOEXCEPT( std::declval<const year>().ok());
32 ASSERT_SAME_TYPE(bool, decltype(std::declval<const year>().ok()));
33
34 ASSERT_NOEXCEPT( year::max());
35 ASSERT_SAME_TYPE(year, decltype(year::max()));
36
37 ASSERT_NOEXCEPT( year::min());
38 ASSERT_SAME_TYPE(year, decltype(year::min()));
39
40 static_assert(static_cast<int>(year::min()) == -32767, "");
41 static_assert(static_cast<int>(year::max()) == 32767, "");
42
43 assert(year{-20001}.ok());
44 assert(year{ -2000}.ok());
45 assert(year{ -1}.ok());
46 assert(year{ 0}.ok());
47 assert(year{ 1}.ok());
48 assert(year{ 2000}.ok());
49 assert(year{ 20001}.ok());
50
51 static_assert(!year{-32768}.ok(), "");
52
53 return 0;
54 }
55