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//===----------------------------------------------------------------------===//
//
// 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 year;
// constexpr bool is_is_leap() const noexcept;
// y_ % 4 == 0 && (y_ % 100 != 0 || y_ % 400 == 0)
//
#include <chrono>
#include <type_traits>
#include <cassert>
#include "test_macros.h"
int main()
{
using year = std::chrono::year;
ASSERT_NOEXCEPT( year(1).is_leap());
ASSERT_SAME_TYPE(bool, decltype(year(1).is_leap()));
static_assert(!year{1}.is_leap(), "");
static_assert(!year{2}.is_leap(), "");
static_assert(!year{3}.is_leap(), "");
static_assert( year{4}.is_leap(), "");
assert( year{-2000}.is_leap());
assert( year{ -400}.is_leap());
assert(!year{ -300}.is_leap());
assert(!year{ -200}.is_leap());
assert(!year{ 200}.is_leap());
assert(!year{ 300}.is_leap());
assert( year{ 400}.is_leap());
assert(!year{ 1997}.is_leap());
assert(!year{ 1998}.is_leap());
assert(!year{ 1999}.is_leap());
assert( year{ 2000}.is_leap());
assert(!year{ 2001}.is_leap());
assert(!year{ 2002}.is_leap());
assert(!year{ 2003}.is_leap());
assert( year{ 2004}.is_leap());
assert(!year{ 2100}.is_leap());
}
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