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 13 // inline constexpr month January{1}; 14 // inline constexpr month February{2}; 15 // inline constexpr month March{3}; 16 // inline constexpr month April{4}; 17 // inline constexpr month May{5}; 18 // inline constexpr month June{6}; 19 // inline constexpr month July{7}; 20 // inline constexpr month August{8}; 21 // inline constexpr month September{9}; 22 // inline constexpr month October{10}; 23 // inline constexpr month November{11}; 24 // inline constexpr month December{12}; 25 26 27 #include <chrono> 28 #include <type_traits> 29 #include <cassert> 30 31 #include "test_macros.h" 32 33 int main() 34 { 35 36 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::January)); 37 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::February)); 38 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::March)); 39 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::April)); 40 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::May)); 41 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::June)); 42 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::July)); 43 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::August)); 44 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::September)); 45 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::October)); 46 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::November)); 47 ASSERT_SAME_TYPE(const std::chrono::month, decltype(std::chrono::December)); 48 49 static_assert( std::chrono::January == std::chrono::month(1), ""); 50 static_assert( std::chrono::February == std::chrono::month(2), ""); 51 static_assert( std::chrono::March == std::chrono::month(3), ""); 52 static_assert( std::chrono::April == std::chrono::month(4), ""); 53 static_assert( std::chrono::May == std::chrono::month(5), ""); 54 static_assert( std::chrono::June == std::chrono::month(6), ""); 55 static_assert( std::chrono::July == std::chrono::month(7), ""); 56 static_assert( std::chrono::August == std::chrono::month(8), ""); 57 static_assert( std::chrono::September == std::chrono::month(9), ""); 58 static_assert( std::chrono::October == std::chrono::month(10), ""); 59 static_assert( std::chrono::November == std::chrono::month(11), ""); 60 static_assert( std::chrono::December == std::chrono::month(12), ""); 61 62 assert(std::chrono::January == std::chrono::month(1)); 63 assert(std::chrono::February == std::chrono::month(2)); 64 assert(std::chrono::March == std::chrono::month(3)); 65 assert(std::chrono::April == std::chrono::month(4)); 66 assert(std::chrono::May == std::chrono::month(5)); 67 assert(std::chrono::June == std::chrono::month(6)); 68 assert(std::chrono::July == std::chrono::month(7)); 69 assert(std::chrono::August == std::chrono::month(8)); 70 assert(std::chrono::September == std::chrono::month(9)); 71 assert(std::chrono::October == std::chrono::month(10)); 72 assert(std::chrono::November == std::chrono::month(11)); 73 assert(std::chrono::December == std::chrono::month(12)); 74 75 assert(static_cast<unsigned>(std::chrono::January) == 1); 76 assert(static_cast<unsigned>(std::chrono::February) == 2); 77 assert(static_cast<unsigned>(std::chrono::March) == 3); 78 assert(static_cast<unsigned>(std::chrono::April) == 4); 79 assert(static_cast<unsigned>(std::chrono::May) == 5); 80 assert(static_cast<unsigned>(std::chrono::June) == 6); 81 assert(static_cast<unsigned>(std::chrono::July) == 7); 82 assert(static_cast<unsigned>(std::chrono::August) == 8); 83 assert(static_cast<unsigned>(std::chrono::September) == 9); 84 assert(static_cast<unsigned>(std::chrono::October) == 10); 85 assert(static_cast<unsigned>(std::chrono::November) == 11); 86 assert(static_cast<unsigned>(std::chrono::December) == 12); 87 } 88
