forked from mirror/libcxx
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
// UNSUPPORTED: c++98, c++03, c++11, c++14, c++17
|
|
|
|
// <chrono>
|
|
// class month_weekday_last;
|
|
|
|
// constexpr bool ok() const noexcept;
|
|
// Returns: m_.ok() && wdl_.ok().
|
|
|
|
#include <chrono>
|
|
#include <type_traits>
|
|
#include <cassert>
|
|
|
|
#include "test_macros.h"
|
|
|
|
int main()
|
|
{
|
|
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;
|
|
|
|
constexpr month January = std::chrono::January;
|
|
constexpr weekday Tuesday = std::chrono::Tuesday;
|
|
constexpr weekday_last lastTuesday = weekday_last{Tuesday};
|
|
|
|
ASSERT_NOEXCEPT( std::declval<const month_weekday_last>().ok());
|
|
ASSERT_SAME_TYPE(bool, decltype(std::declval<const month_weekday_last>().ok()));
|
|
|
|
static_assert(!month_weekday_last{month{}, lastTuesday}.ok(), ""); // Bad month
|
|
static_assert(!month_weekday_last{January, weekday_last{weekday{12}}}.ok(), ""); // Bad month
|
|
static_assert( month_weekday_last{January, lastTuesday}.ok(), ""); // Both OK
|
|
|
|
for (unsigned i = 0; i <= 50; ++i)
|
|
{
|
|
month_weekday_last mwdl{month{i}, lastTuesday};
|
|
assert( mwdl.ok() == month{i}.ok());
|
|
}
|
|
|
|
for (unsigned i = 0; i <= 50; ++i)
|
|
{
|
|
month_weekday_last mwdl{January, weekday_last{weekday{i}}};
|
|
assert( mwdl.ok() == weekday_last{weekday{i}}.ok());
|
|
}
|
|
}
|