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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>
// struct local_t {};
// template<class Duration>
// using local_time = time_point<system_clock, Duration>;
// using local_seconds = sys_time<seconds>;
// using local_days = sys_time<days>;
// [Example:
// sys_seconds{sys_days{1970y/January/1}}.time_since_epoch() is 0s.
// sys_seconds{sys_days{2000y/January/1}}.time_since_epoch() is 946’684’800s, which is 10’957 * 86’400s.
// —end example]
#include <chrono>
#include <cassert>
#include "test_macros.h"
int main()
{
using local_t = std::chrono::local_t;
using year = std::chrono::year;
using seconds = std::chrono::seconds;
using minutes = std::chrono::minutes;
using days = std::chrono::days;
using local_seconds = std::chrono::local_seconds;
using local_minutes = std::chrono::local_time<minutes>;
using local_days = std::chrono::local_days;
constexpr std::chrono::month January = std::chrono::January;
ASSERT_SAME_TYPE(std::chrono::local_time<seconds>, local_seconds);
ASSERT_SAME_TYPE(std::chrono::local_time<days>, local_days);
// Test the long form, too
ASSERT_SAME_TYPE(std::chrono::time_point<local_t, seconds>, local_seconds);
ASSERT_SAME_TYPE(std::chrono::time_point<local_t, minutes>, local_minutes);
ASSERT_SAME_TYPE(std::chrono::time_point<local_t, days>, local_days);
// Test some well known values
local_days d0 = local_days{year{1970}/January/1};
local_days d1 = local_days{year{2000}/January/1};
ASSERT_SAME_TYPE(decltype(d0.time_since_epoch()), days);
assert( d0.time_since_epoch().count() == 0);
assert( d1.time_since_epoch().count() == 10957);
local_seconds s0{d0};
local_seconds s1{d1};
ASSERT_SAME_TYPE(decltype(s0.time_since_epoch()), seconds);
assert( s0.time_since_epoch().count() == 0);
assert( s1.time_since_epoch().count() == 946684800L);
}
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