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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;
// constexpr year_month_weekday
// operator/(const year_month& ym, const weekday_indexed& wdi) noexcept;
// Returns: {ym.year(), ym.month(), wdi}.
//
// constexpr year_month_weekday
// operator/(const year& y, const month_weekday& mwd) noexcept;
// Returns: {y, mwd.month(), mwd.weekday_indexed()}.
//
// constexpr year_month_weekday
// operator/(int y, const month_weekday& mwd) noexcept;
// Returns: year(y) / mwd.
//
// constexpr year_month_weekday
// operator/(const month_weekday& mwd, const year& y) noexcept;
// Returns: y / mwd.
//
// constexpr year_month_weekday
// operator/(const month_weekday& mwd, int y) noexcept;
// Returns: year(y) / mwd.
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using year = std::chrono::year;
using year_month = std::chrono::year_month;
using month_weekday = std::chrono::month_weekday;
using year_month_weekday = std::chrono::year_month_weekday;
using month = std::chrono::month;
using weekday = std::chrono::weekday;
using weekday = std::chrono::weekday;
using weekday_indexed = std::chrono::weekday_indexed;
constexpr weekday Tuesday = std::chrono::Tuesday;
constexpr month February = std::chrono::February;
{ // operator/(const year_month& ym, const weekday_indexed& wdi)
constexpr year_month Feb2018{year{2018}, February};
ASSERT_NOEXCEPT ( Feb2018/weekday_indexed{Tuesday, 2});
ASSERT_SAME_TYPE(year_month_weekday, decltype(Feb2018/weekday_indexed{Tuesday, 2}));
static_assert((Feb2018/weekday_indexed{Tuesday, 2}).year() == year{2018}, "" );
static_assert((Feb2018/weekday_indexed{Tuesday, 2}).month() == February, "" );
static_assert((Feb2018/weekday_indexed{Tuesday, 2}).weekday() == Tuesday, "" );
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
for (unsigned l = 1; l <= 5; ++l)
{
year y(i);
month m(j);
weekday wd{k};
year_month_weekday ymd = year_month{y,m}/weekday_indexed{wd,l};
assert(ymd.year() == y);
assert(ymd.month() == m);
assert(ymd.weekday() == wd);
}
}
{ // operator/(const year& y, const month_weekday& mwd) (and switched)
constexpr month_weekday Feb1stTues{February, weekday_indexed{Tuesday, 1}};
ASSERT_NOEXCEPT ( year{2018}/Feb1stTues);
ASSERT_SAME_TYPE(year_month_weekday, decltype(year{2018}/Feb1stTues));
ASSERT_NOEXCEPT ( Feb1stTues/year{2018});
ASSERT_SAME_TYPE(year_month_weekday, decltype(Feb1stTues/year{2018}));
static_assert((year{2018}/Feb1stTues).year() == year{2018}, "" );
static_assert((year{2018}/Feb1stTues).month() == February, "" );
static_assert((year{2018}/Feb1stTues).weekday() == Tuesday, "" );
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
for (unsigned l = 1; l <= 5; ++l)
{
year y(i);
month m(j);
weekday wd{k};
month_weekday mwd{m, weekday_indexed{weekday{k}, l}};
year_month_weekday ymd1 = y/mwd;
year_month_weekday ymd2 = mwd/y;
assert(ymd1.year() == y);
assert(ymd2.year() == y);
assert(ymd1.month() == m);
assert(ymd2.month() == m);
assert(ymd1.weekday() == wd);
assert(ymd2.weekday() == wd);
assert(ymd1 == ymd2);
}
}
{ // operator/(int y, const month_weekday& mwd) (and switched)
constexpr month_weekday Feb1stTues{February, weekday_indexed{Tuesday, 1}};
ASSERT_NOEXCEPT ( 2018/Feb1stTues);
ASSERT_SAME_TYPE(year_month_weekday, decltype(2018/Feb1stTues));
ASSERT_NOEXCEPT ( Feb1stTues/2018);
ASSERT_SAME_TYPE(year_month_weekday, decltype(Feb1stTues/2018));
static_assert((2018/Feb1stTues).year() == year{2018}, "" );
static_assert((2018/Feb1stTues).month() == February, "" );
static_assert((2018/Feb1stTues).weekday() == Tuesday, "" );
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 6; ++k)
for (unsigned l = 1; l <= 5; ++l)
{
year y(i);
month m(j);
weekday wd{k};
month_weekday mwd{m, weekday_indexed{weekday{k}, l}};
year_month_weekday ymd1 = i/mwd;
year_month_weekday ymd2 = mwd/i;
assert(ymd1.year() == y);
assert(ymd2.year() == y);
assert(ymd1.month() == m);
assert(ymd2.month() == m);
assert(ymd1.weekday() == wd);
assert(ymd2.weekday() == wd);
assert(ymd1 == ymd2);
}
}
return 0;
}
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