ok.pass.cpp
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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 bool ok() const noexcept;
// Returns: y_.ok() && m_.ok() && wdl_.ok().
#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 weekday = std::chrono::weekday;
using weekday_last = std::chrono::weekday_last;
using year_month_weekday_last = std::chrono::year_month_weekday_last;
constexpr month January = std::chrono::January;
constexpr weekday Tuesday = std::chrono::Tuesday;
ASSERT_NOEXCEPT( std::declval<const year_month_weekday_last>().ok());
ASSERT_SAME_TYPE(bool, decltype(std::declval<const year_month_weekday_last>().ok()));
static_assert(!year_month_weekday_last{year{-32768}, month{}, weekday_last{weekday{}}}.ok(), ""); // All three bad
static_assert(!year_month_weekday_last{year{-32768}, January, weekday_last{Tuesday}}.ok(), ""); // Bad year
static_assert(!year_month_weekday_last{year{2019}, month{}, weekday_last{Tuesday}}.ok(), ""); // Bad month
static_assert(!year_month_weekday_last{year{2019}, January, weekday_last{weekday{8}}}.ok(), ""); // Bad day
static_assert(!year_month_weekday_last{year{-32768}, month{}, weekday_last{Tuesday}}.ok(), ""); // Bad year & month
static_assert(!year_month_weekday_last{year{2019}, month{}, weekday_last{weekday{8}}}.ok(), ""); // Bad month & day
static_assert(!year_month_weekday_last{year{-32768}, January, weekday_last{weekday{8}}}.ok(), ""); // Bad year & day
static_assert( year_month_weekday_last{year{2019}, January, weekday_last{Tuesday}}.ok(), ""); // All OK
for (unsigned i = 0; i <= 50; ++i)
{
year_month_weekday_last ym{year{2019}, January, weekday_last{Tuesday}};
assert((ym.ok() == weekday_last{Tuesday}.ok()));
}
for (unsigned i = 0; i <= 50; ++i)
{
year_month_weekday_last ym{year{2019}, January, weekday_last{weekday{i}}};
assert((ym.ok() == weekday_last{weekday{i}}.ok()));
}
for (unsigned i = 0; i <= 50; ++i)
{
year_month_weekday_last ym{year{2019}, month{i}, weekday_last{Tuesday}};
assert((ym.ok() == month{i}.ok()));
}
const int ymax = static_cast<int>(year::max());
for (int i = ymax - 100; i <= ymax + 100; ++i)
{
year_month_weekday_last ym{year{i}, January, weekday_last{Tuesday}};
assert((ym.ok() == year{i}.ok()));
}
return 0;
}