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libcxx/test/std/utilities/time/time.cal/time.cal.mwdlast/time.cal.mwdlast.nonmembers/comparisons.pass.cpp

74 lines
2.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
// <chrono>
// class month_weekday_last;
// constexpr bool operator==(const month_weekday_last& x, const month_weekday_last& y) noexcept;
// Returns: x.month() == y.month()
//
// constexpr bool operator< (const month_weekday_last& x, const month_weekday_last& y) noexcept;
// Returns: x.month() < y.month()
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
#include "test_comparisons.h"
int main()
{
using month = std::chrono::month;
using weekday_last = std::chrono::weekday_last;
using weekday = std::chrono::weekday;
using month_weekday_last = std::chrono::month_weekday_last;
constexpr month January = std::chrono::January;
constexpr weekday Tuesday = std::chrono::Tuesday;
constexpr weekday Wednesday = std::chrono::Wednesday;
AssertComparisons2AreNoexcept<month_weekday_last>();
AssertComparisons2ReturnBool<month_weekday_last>();
static_assert( testComparisons2(
month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
true), "");
static_assert( testComparisons2(
month_weekday_last{std::chrono::January, weekday_last{Tuesday}},
month_weekday_last{std::chrono::January, weekday_last{Wednesday}},
false), "");
// vary the months
for (unsigned i = 1; i < 12; ++i)
for (unsigned j = 1; j < 12; ++j)
assert((testComparisons2(
month_weekday_last{month{i}, weekday_last{Tuesday}},
month_weekday_last{month{j}, weekday_last{Tuesday}},
i == j)));
// vary the weekday
for (unsigned i = 0; i < 6; ++i)
for (unsigned j = 0; j < 6; ++j)
assert((testComparisons2(
month_weekday_last{January, weekday_last{weekday{i}}},
month_weekday_last{January, weekday_last{weekday{j}}},
i == j)));
// both different
assert((testComparisons2(
month_weekday_last{month{1}, weekday_last{weekday{1}}},
month_weekday_last{month{2}, weekday_last{weekday{2}}},
false)));
}