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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 month_day;
// constexpr month_day
// operator/(const month& m, const day& d) noexcept;
// Returns: {m, d}.
//
// constexpr month_day
// operator/(const day& d, const month& m) noexcept;
// Returns: m / d.
// constexpr month_day
// operator/(const month& m, int d) noexcept;
// Returns: m / day(d).
//
// constexpr month_day
// operator/(int m, const day& d) noexcept;
// Returns: month(m) / d.
//
// constexpr month_day
// operator/(const day& d, int m) noexcept;
// Returns: month(m) / d.
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main(int, char**)
{
using month_day = std::chrono::month_day;
using month = std::chrono::month;
using day = std::chrono::day;
constexpr month February = std::chrono::February;
{ // operator/(const month& m, const day& d) (and switched)
ASSERT_NOEXCEPT ( February/day{1});
ASSERT_SAME_TYPE(month_day, decltype(February/day{1}));
ASSERT_NOEXCEPT ( day{1}/February);
ASSERT_SAME_TYPE(month_day, decltype(day{1}/February));
for (int i = 1; i <= 12; ++i)
for (unsigned j = 0; j <= 30; ++j)
{
month m(i);
day d{j};
month_day md1 = m/d;
month_day md2 = d/m;
assert(md1.month() == m);
assert(md1.day() == d);
assert(md2.month() == m);
assert(md2.day() == d);
assert(md1 == md2);
}
}
{ // operator/(const month& m, int d) (NOT switched)
ASSERT_NOEXCEPT ( February/2);
ASSERT_SAME_TYPE(month_day, decltype(February/2));
for (int i = 1; i <= 12; ++i)
for (unsigned j = 0; j <= 30; ++j)
{
month m(i);
day d(j);
month_day md1 = m/j;
assert(md1.month() == m);
assert(md1.day() == d);
}
}
{ // operator/(const day& d, int m) (and switched)
ASSERT_NOEXCEPT ( day{2}/2);
ASSERT_SAME_TYPE(month_day, decltype(day{2}/2));
ASSERT_NOEXCEPT ( 2/day{2});
ASSERT_SAME_TYPE(month_day, decltype(2/day{2}));
for (int i = 1; i <= 12; ++i)
for (unsigned j = 0; j <= 30; ++j)
{
month m(i);
day d(j);
month_day md1 = d/i;
month_day md2 = i/d;
assert(md1.month() == m);
assert(md1.day() == d);
assert(md2.month() == m);
assert(md2.day() == d);
assert(md1 == md2);
}
}
return 0;
}
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