comparisons.pass.cpp (2580B)
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 month_weekday_last; 13 14 // constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept; 15 // Returns: x.month() == y.month() 16 // 17 // constexpr bool operator< (const month_weekday_last& x, const month_weekday_last& y) noexcept; 18 // Returns: x.month() < y.month() 19 20 21 #include <chrono> 22 #include <type_traits> 23 #include <cassert> 24 25 #include "test_macros.h" 26 #include "test_comparisons.h" 27 28 int main() 29 { 30 using month = std::chrono::month; 31 using weekday_last = std::chrono::weekday_last; 32 using weekday = std::chrono::weekday; 33 using month_weekday_last = std::chrono::month_weekday_last; 34 35 constexpr month January = std::chrono::January; 36 constexpr weekday Tuesday = std::chrono::Tuesday; 37 constexpr weekday Wednesday = std::chrono::Wednesday; 38 39 AssertComparisons2AreNoexcept<month_weekday_last>(); 40 AssertComparisons2ReturnBool<month_weekday_last>(); 41 42 static_assert( testComparisons2( 43 month_weekday_last{std::chrono::January, weekday_last{Tuesday}}, 44 month_weekday_last{std::chrono::January, weekday_last{Tuesday}}, 45 true), ""); 46 47 static_assert( testComparisons2( 48 month_weekday_last{std::chrono::January, weekday_last{Tuesday}}, 49 month_weekday_last{std::chrono::January, weekday_last{Wednesday}}, 50 false), ""); 51 52 // vary the months 53 for (unsigned i = 1; i < 12; ++i) 54 for (unsigned j = 1; j < 12; ++j) 55 assert((testComparisons2( 56 month_weekday_last{month{i}, weekday_last{Tuesday}}, 57 month_weekday_last{month{j}, weekday_last{Tuesday}}, 58 i == j))); 59 60 // vary the weekday 61 for (unsigned i = 0; i < 6; ++i) 62 for (unsigned j = 0; j < 6; ++j) 63 assert((testComparisons2( 64 month_weekday_last{January, weekday_last{weekday{i}}}, 65 month_weekday_last{January, weekday_last{weekday{j}}}, 66 i == j))); 67 68 // both different 69 assert((testComparisons2( 70 month_weekday_last{month{1}, weekday_last{weekday{1}}}, 71 month_weekday_last{month{2}, weekday_last{weekday{2}}}, 72 false))); 73 }