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; 12 13 // weekday() = default; 14 // explicit constexpr weekday(unsigned wd) noexcept; 15 // constexpr weekday(const sys_days& dp) noexcept; 16 // explicit constexpr weekday(const local_days& dp) noexcept; 17 // 18 // unsigned c_encoding() const noexcept; 19 20 // Effects: Constructs an object of type weekday by initializing wd_ with wd == 7 ? 0 : wd 21 // The value held is unspecified if wd is not in the range [0, 255]. 22 23 #include <chrono> 24 #include <type_traits> 25 #include <cassert> 26 27 #include "test_macros.h" 28 main(int,char **)29int main(int, char**) 30 { 31 using weekday = std::chrono::weekday; 32 33 ASSERT_NOEXCEPT(weekday{}); 34 ASSERT_NOEXCEPT(weekday(1)); 35 ASSERT_NOEXCEPT(weekday(1).c_encoding()); 36 37 constexpr weekday m0{}; 38 static_assert(m0.c_encoding() == 0, ""); 39 40 constexpr weekday m1{1}; 41 static_assert(m1.c_encoding() == 1, ""); 42 43 for (unsigned i = 0; i <= 255; ++i) 44 { 45 weekday m(i); 46 assert(m.c_encoding() == (i == 7 ? 0 : i)); 47 } 48 49 // TODO - sys_days and local_days ctor tests 50 51 return 0; 52 } 53