//===----------------------------------------------------------------------===//
//
// 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_day;
// constexpr year_month_day
// operator/(const year_month& ym, const day& d) noexcept;
// Returns: {ym.year(), ym.month(), d}.
//
// constexpr year_month_day
// operator/(const year_month& ym, int d) noexcept;
// Returns: ym / day(d).
//
// constexpr year_month_day
// operator/(const year& y, const month_day& md) noexcept;
// Returns: y / md.month() / md.day().
//
// constexpr year_month_day
// operator/(int y, const month_day& md) noexcept;
// Returns: year(y) / md.
//
// constexpr year_month_day
// operator/(const month_day& md, const year& y) noexcept;
// Returns: y / md.
//
// constexpr year_month_day
// operator/(const month_day& md, int y) noexcept;
// Returns: year(y) / md.
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using year = std::chrono::year;
using month = std::chrono::month;
using day = std::chrono::day;
using year_month = std::chrono::year_month;
using month_day = std::chrono::month_day;
using year_month_day = std::chrono::year_month_day;
constexpr month February = std::chrono::February;
constexpr year_month Feb2018{year{2018}, February};
{ // operator/(const year_month& ym, const day& d)
ASSERT_NOEXCEPT ( Feb2018/day{2});
ASSERT_SAME_TYPE(year_month_day, decltype(Feb2018/day{2}));
static_assert((Feb2018/day{2}).month() == February, "");
static_assert((Feb2018/day{2}).day() == day{2}, "");
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 28; ++k)
{
year y(i);
month m(j);
day d(k);
year_month ym(y, m);
year_month_day ymd = ym/d;
assert(ymd.year() == y);
assert(ymd.month() == m);
assert(ymd.day() == d);
}
}
{ // operator/(const year_month& ym, int d)
ASSERT_NOEXCEPT ( Feb2018/2);
ASSERT_SAME_TYPE(year_month_day, decltype(Feb2018/2));
static_assert((Feb2018/2).month() == February, "");
static_assert((Feb2018/2).day() == day{2}, "");
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 28; ++k)
{
year y(i);
month m(j);
day d(k);
year_month ym(y, m);
year_month_day ymd = ym/k;
assert(ymd.year() == y);
assert(ymd.month() == m);
assert(ymd.day() == d);
}
}
{ // operator/(const year_month& ym, int d)
ASSERT_NOEXCEPT ( Feb2018/2);
ASSERT_SAME_TYPE(year_month_day, decltype(Feb2018/2));
static_assert((Feb2018/2).month() == February, "");
static_assert((Feb2018/2).day() == day{2}, "");
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 28; ++k)
{
year y(i);
month m(j);
day d(k);
year_month ym(y, m);
year_month_day ymd = ym/k;
assert(ymd.year() == y);
assert(ymd.month() == m);
assert(ymd.day() == d);
}
}
{ // operator/(const year& y, const month_day& md) (and switched)
ASSERT_NOEXCEPT ( year{2018}/month_day{February, day{2}});
ASSERT_SAME_TYPE(year_month_day, decltype(year{2018}/month_day{February, day{2}}));
ASSERT_NOEXCEPT ( month_day{February, day{2}}/year{2018});
ASSERT_SAME_TYPE(year_month_day, decltype(month_day{February, day{2}}/year{2018}));
static_assert((year{2018}/month_day{February, day{2}}).month() == February, "" );
static_assert((year{2018}/month_day{February, day{2}}).day() == day{2}, "" );
static_assert((month_day{February, day{2}}/year{2018}).month() == February, "" );
static_assert((month_day{February, day{2}}/year{2018}).day() == day{2}, "" );
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 28; ++k)
{
year y(i);
month m(j);
day d(k);
month_day md(m, d);
year_month_day ymd1 = y/md;
year_month_day ymd2 = md/y;
assert(ymd1.year() == y);
assert(ymd2.year() == y);
assert(ymd1.month() == m);
assert(ymd2.month() == m);
assert(ymd1.day() == d);
assert(ymd2.day() == d);
assert(ymd1 == ymd2);
}
}
{ // operator/(const month_day& md, int y) (and switched)
ASSERT_NOEXCEPT ( 2018/month_day{February, day{2}});
ASSERT_SAME_TYPE(year_month_day, decltype(2018/month_day{February, day{2}}));
ASSERT_NOEXCEPT ( month_day{February, day{2}}/2018);
ASSERT_SAME_TYPE(year_month_day, decltype(month_day{February, day{2}}/2018));
static_assert((2018/month_day{February, day{2}}).month() == February, "" );
static_assert((2018/month_day{February, day{2}}).day() == day{2}, "" );
static_assert((month_day{February, day{2}}/2018).month() == February, "" );
static_assert((month_day{February, day{2}}/2018).day() == day{2}, "" );
for (int i = 1000; i < 1010; ++i)
for (int j = 1; j <= 12; ++j)
for (unsigned k = 0; k <= 28; ++k)
{
year y(i);
month m(j);
day d(k);
month_day md(m, d);
year_month_day ymd1 = i/md;
year_month_day ymd2 = md/i;
assert(ymd1.year() == y);
assert(ymd2.year() == y);
assert(ymd1.month() == m);
assert(ymd2.month() == m);
assert(ymd1.day() == d);
assert(ymd2.day() == d);
assert(ymd1 == ymd2);
}
}
return 0;
}
Codebase Browser
llvm