weekday.pass.cpp (1291B)
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 // constexpr chrono::weekday weekday() const noexcept; 15 // Returns: wd_ 16 17 #include <chrono> 18 #include <type_traits> 19 #include <cassert> 20 21 #include "test_macros.h" 22 23 int main() 24 { 25 using weekday = std::chrono::weekday; 26 using weekday_indexed = std::chrono::weekday_indexed; 27 28 ASSERT_NOEXCEPT( std::declval<const weekday_indexed>().weekday()); 29 ASSERT_SAME_TYPE(std::chrono::weekday, decltype(std::declval<const weekday_indexed>().weekday())); 30 31 static_assert( weekday_indexed{}.weekday() == weekday{}, ""); 32 static_assert( weekday_indexed{std::chrono::Tuesday, 0}.weekday() == std::chrono::Tuesday, ""); 33 34 for (unsigned i = 0; i <= 6; ++i) 35 { 36 weekday_indexed wdi(weekday{i}, 2); 37 assert( static_cast<unsigned>(wdi.weekday()) == i); 38 } 39 }