47 lines
1.3 KiB
C++
47 lines
1.3 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_day_last;
|
||
|
|
|
||
|
|
// constexpr bool ok() const noexcept;
|
||
|
|
// Returns: m_.ok()
|
||
|
|
|
||
|
|
#include <chrono>
|
||
|
|
#include <type_traits>
|
||
|
|
#include <cassert>
|
||
|
|
|
||
|
|
#include "test_macros.h"
|
||
|
|
|
||
|
|
int main()
|
||
|
|
{
|
||
|
|
using month = std::chrono::month;
|
||
|
|
using month_day_last = std::chrono::month_day_last;
|
||
|
|
|
||
|
|
ASSERT_NOEXCEPT( std::declval<const month_day_last>().ok());
|
||
|
|
ASSERT_SAME_TYPE(bool, decltype(std::declval<const month_day_last>().ok()));
|
||
|
|
|
||
|
|
static_assert(!month_day_last{month{}}.ok(), "");
|
||
|
|
static_assert( month_day_last{std::chrono::May}.ok(), "");
|
||
|
|
|
||
|
|
for (unsigned i = 1; i <= 12; ++i)
|
||
|
|
{
|
||
|
|
month_day_last mdl{month{i}};
|
||
|
|
assert( mdl.ok());
|
||
|
|
}
|
||
|
|
|
||
|
|
// If the month is not ok, all the days are bad
|
||
|
|
for (unsigned i = 13; i <= 50; ++i)
|
||
|
|
{
|
||
|
|
month_day_last mdl{month{i}};
|
||
|
|
assert(!mdl.ok());
|
||
|
|
}
|
||
|
|
}
|