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//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++03, c++11, c++14, c++17
// <chrono>
// class year_month_weekday_last;
// constexpr year_month_weekday_last
// operator/(const year_month& ym, const weekday_last& wdl) noexcept;
// Returns: {ym.year(), ym.month(), wdl}.
//
// constexpr year_month_weekday_last
// operator/(const year& y, const month_weekday_last& mwdl) noexcept;
// Returns: {y, mwdl.month(), mwdl.weekday_last()}.
//
// constexpr year_month_weekday_last
// operator/(int y, const month_weekday_last& mwdl) noexcept;
// Returns: year(y) / mwdl.
//
// constexpr year_month_weekday_last
// operator/(const month_weekday_last& mwdl, const year& y) noexcept;
// Returns: y / mwdl.
//
// constexpr year_month_weekday_last
// operator/(const month_weekday_last& mwdl, int y) noexcept;
// Returns: year(y) / mwdl.
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using year_month = std::chrono::year_month;
using year = std::chrono::year;
using month = std::chrono::month;
using weekday = std::chrono::weekday;
using weekday_last = std::chrono::weekday_last;
using month_weekday_last = std::chrono::month_weekday_last;
using year_month_weekday_last = std::chrono::year_month_weekday_last;
constexpr weekday Tuesday = std::chrono::Tuesday;
constexpr month February = std::chrono::February;
{ // operator/(const year_month& ym, const weekday_last& wdl) (and switched)
constexpr year_month Feb2018{year{2018}, February};
ASSERT_NOEXCEPT ( Feb2018/weekday_last{Tuesday});
ASSERT_SAME_TYPE(year_month_weekday_last, decltype(Feb2018/weekday_last{Tuesday}));
static_assert((Feb2018/weekday_last{Tuesday}).year() == year{2018}, "");
static_assert((Feb2018/weekday_last{Tuesday}).month() == February, "");
static_assert((Feb2018/weekday_last{Tuesday}).weekday() == Tuesday, "");
for (int i = 1000; i < 1010; ++i)
for (unsigned j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
{
year y{i};
month m{j};
weekday wd{k};
year_month_weekday_last ymwdl = year_month{y,m}/weekday_last{wd};
assert(ymwdl.year() == y);
assert(ymwdl.month() == m);
assert(ymwdl.weekday() == wd);
}
}
{ // operator/(const year& y, const month_weekday_last& mwdl) (and switched)
constexpr month_weekday_last FebLastTues{February, weekday_last{Tuesday}};
ASSERT_NOEXCEPT ( year{2018}/FebLastTues);
ASSERT_SAME_TYPE(year_month_weekday_last, decltype(year{2018}/FebLastTues));
ASSERT_NOEXCEPT ( FebLastTues/year{2018});
ASSERT_SAME_TYPE(year_month_weekday_last, decltype(FebLastTues/year{2018}));
static_assert((year{2018}/FebLastTues).year() == year{2018}, "");
static_assert((year{2018}/FebLastTues).month() == February, "");
static_assert((year{2018}/FebLastTues).weekday() == Tuesday, "");
static_assert((FebLastTues/year{2018}).year() == year{2018}, "");
static_assert((FebLastTues/year{2018}).month() == February, "");
static_assert((FebLastTues/year{2018}).weekday() == Tuesday, "");
for (int i = 1000; i < 1010; ++i)
for (unsigned j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
{
year y{i};
month m{j};
weekday wd{k};
year_month_weekday_last ymwdl1 = y/month_weekday_last{m, weekday_last{wd}};
year_month_weekday_last ymwdl2 = month_weekday_last{m, weekday_last{wd}}/y;
assert(ymwdl1.year() == y);
assert(ymwdl2.year() == y);
assert(ymwdl1.month() == m);
assert(ymwdl2.month() == m);
assert(ymwdl1.weekday() == wd);
assert(ymwdl2.weekday() == wd);
assert(ymwdl1 == ymwdl2);
}
}
{ // operator/(int y, const month_weekday_last& mwdl) (and switched)
constexpr month_weekday_last FebLastTues{February, weekday_last{Tuesday}};
ASSERT_NOEXCEPT ( 2018/FebLastTues);
ASSERT_SAME_TYPE(year_month_weekday_last, decltype(2018/FebLastTues));
ASSERT_NOEXCEPT ( FebLastTues/2018);
ASSERT_SAME_TYPE(year_month_weekday_last, decltype(FebLastTues/2018));
static_assert((2018/FebLastTues).year() == year{2018}, "");
static_assert((2018/FebLastTues).month() == February, "");
static_assert((2018/FebLastTues).weekday() == Tuesday, "");
static_assert((FebLastTues/2018).year() == year{2018}, "");
static_assert((FebLastTues/2018).month() == February, "");
static_assert((FebLastTues/2018).weekday() == Tuesday, "");
for (int i = 1000; i < 1010; ++i)
for (unsigned j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
{
year y{i};
month m{j};
weekday wd{k};
year_month_weekday_last ymwdl1 = i/month_weekday_last{m, weekday_last{wd}};
year_month_weekday_last ymwdl2 = month_weekday_last{m, weekday_last{wd}}/i;
assert(ymwdl1.year() == y);
assert(ymwdl2.year() == y);
assert(ymwdl1.month() == m);
assert(ymwdl2.month() == m);
assert(ymwdl1.weekday() == wd);
assert(ymwdl2.weekday() == wd);
assert(ymwdl1 == ymwdl2);
}
}
return 0;
}
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