custom clock and noncastable tests

This commit is contained in:
Tomasz Kamiński 2018-06-10 23:38:21 +02:00 committed by Howard Hinnant
parent df31560701
commit aa0494b980
3 changed files with 36 additions and 0 deletions

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@ -56,6 +56,23 @@ struct mil_clock
return res(tp - epoch);
}
template<typename Duration>
static
std::chrono::time_point<date::local_t, typename std::common_type<Duration, date::days>::type>
to_local(std::chrono::time_point<mil_clock, Duration> const& tp)
{
return date::clock_cast<date::local_t>(to_sys(tp));
}
template<typename Duration>
static
std::chrono::time_point<mil_clock, typename std::common_type<Duration, date::days>::type>
from_local(std::chrono::time_point<date::local_t, Duration> const& tp)
{
return from_sys(date::clock_cast<std::chrono::system_clock>(tp));
}
static time_point now()
{
return from_sys(std::chrono::system_clock::now());
@ -127,6 +144,15 @@ main()
assert(clock_cast<mil_clock>(mt) == mt);
}
// mil <-> local
{
local_days lt(1997_y/dec/12);
auto mt = mil_clock::from_local(lt);
assert(clock_cast<mil_clock>(lt) == mt);
assert(clock_cast<local_t>(mt) == lt);
}
// mil <-> sys
{
sys_days st(1997_y/dec/12);

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@ -7,6 +7,12 @@ main()
using namespace date;
using namespace std::chrono;
// self
{
auto ls = local_days{1970_y/01/01_d};
assert(clock_cast<local_t>(ls) == ls);
}
/// sys epoch
{
auto ls = local_days{1970_y/01/01_d};

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@ -194,6 +194,8 @@ main()
//steady_clock (must be different that sys_clock)
static_assert(is_clock_castable<steady_clock, steady_clock>::value, "steady_clock -> steady_clock");
static_assert(!is_clock_castable<steady_clock, local_t>::value, "steady_clock -> local_t");
static_assert(!is_clock_castable<local_t, steady_clock>::value, "local_t -> steady_clock");
static_assert(!is_clock_castable<steady_clock, sys_clock>::value, "steady_clock -> sys_clock");
static_assert(!is_clock_castable<sys_clock, steady_clock>::value, "sys_clock -> steady_clock");
static_assert(!is_clock_castable<steady_clock, utc_clock>::value, "steady_clock -> utc_clock");
@ -203,6 +205,8 @@ main()
//steady_based_clock (unrelated to sys_clock and utc_clocks)
static_assert(is_clock_castable<steady_based_clock, steady_based_clock>::value, "steady_based_clock -> steady_based_clock");
static_assert(!is_clock_castable<steady_based_clock, local_t>::value, "steady_based_clock -> local_t");
static_assert(!is_clock_castable<local_t, steady_based_clock>::value, "local_t -> steady_based_clock");
static_assert(!is_clock_castable<steady_based_clock, sys_clock>::value, "steady_based_clock -> sys_clock");
static_assert(!is_clock_castable<sys_clock, steady_based_clock>::value, "sys_clock -> steady_based_clock");
static_assert(!is_clock_castable<steady_based_clock, utc_clock>::value, "steady_based_clock -> utc_clock");