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 year_month_day; 13 14 // constexpr bool operator==(const year_month_day& x, const year_month_day& y) noexcept; 15 // Returns: x.year() == y.year() && x.month() == y.month(). 16 // 17 // constexpr bool operator< (const year_month_day& x, const year_month_day& y) noexcept; 18 // Returns: 19 // If x.year() < y.year() returns true. 20 // Otherwise, if x.year() > y.year() returns false. 21 // Otherwise, if x.month() < y.month() returns true. 22 // Otherwise, if x.month() > y.month() returns false. 23 // Otherwise, returns x.day() < y.day() 24 25 26 #include <chrono> 27 #include <type_traits> 28 #include <cassert> 29 30 #include "test_macros.h" 31 #include "test_comparisons.h" 32 33 int main() 34 { 35 using day = std::chrono::day; 36 using year = std::chrono::year; 37 using month = std::chrono::month; 38 using year_month_day = std::chrono::year_month_day; 39 40 AssertComparisons6AreNoexcept<year_month_day>(); 41 AssertComparisons6ReturnBool<year_month_day>(); 42 43 constexpr month January = std::chrono::January; 44 constexpr month February = std::chrono::February; 45 46 static_assert( testComparisons6( 47 year_month_day{year{1234}, January, day{1}}, 48 year_month_day{year{1234}, January, day{1}}, 49 true, false), ""); 50 51 // different day 52 static_assert( testComparisons6( 53 year_month_day{year{1234}, January, day{1}}, 54 year_month_day{year{1234}, January, day{2}}, 55 false, true), ""); 56 57 // different month 58 static_assert( testComparisons6( 59 year_month_day{year{1234}, January, day{1}}, 60 year_month_day{year{1234}, February, day{1}}, 61 false, true), ""); 62 63 // different year 64 static_assert( testComparisons6( 65 year_month_day{year{1234}, January, day{1}}, 66 year_month_day{year{1235}, January, day{1}}, 67 false, true), ""); 68 69 70 // different month and day 71 static_assert( testComparisons6( 72 year_month_day{year{1234}, January, day{2}}, 73 year_month_day{year{1234}, February, day{1}}, 74 false, true), ""); 75 76 // different year and month 77 static_assert( testComparisons6( 78 year_month_day{year{1234}, February, day{1}}, 79 year_month_day{year{1235}, January, day{1}}, 80 false, true), ""); 81 82 // different year and day 83 static_assert( testComparisons6( 84 year_month_day{year{1234}, January, day{2}}, 85 year_month_day{year{1235}, January, day{1}}, 86 false, true), ""); 87 88 // different year, month and day 89 static_assert( testComparisons6( 90 year_month_day{year{1234}, February, day{2}}, 91 year_month_day{year{1235}, January, day{1}}, 92 false, true), ""); 93 94 95 // same year, different days 96 for (unsigned i = 1; i < 28; ++i) 97 for (unsigned j = 1; j < 28; ++j) 98 assert((testComparisons6( 99 year_month_day{year{1234}, January, day{i}}, 100 year_month_day{year{1234}, January, day{j}}, 101 i == j, i < j ))); 102 103 // same year, different months 104 for (unsigned i = 1; i < 12; ++i) 105 for (unsigned j = 1; j < 12; ++j) 106 assert((testComparisons6( 107 year_month_day{year{1234}, month{i}, day{12}}, 108 year_month_day{year{1234}, month{j}, day{12}}, 109 i == j, i < j ))); 110 111 // same month, different years 112 for (int i = 1000; i < 20; ++i) 113 for (int j = 1000; j < 20; ++j) 114 assert((testComparisons6( 115 year_month_day{year{i}, January, day{12}}, 116 year_month_day{year{j}, January, day{12}}, 117 i == j, i < j ))); 118 } 119