133 lines
4.0 KiB
C++
133 lines
4.0 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2018 Tomasz Kamiński
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include <chrono>
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#include "date/tz.h"
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int
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main()
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{
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using namespace date;
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using namespace std::chrono;
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// self
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{
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auto ls = local_days{1970_y/January/1_d};
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assert(clock_cast<local_t>(ls) == ls);
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}
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/// sys epoch
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{
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auto ls = local_days{1970_y/January/1_d};
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auto st = clock_cast<system_clock>(ls);
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assert(clock_cast<local_t>(st) == ls);
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assert(st.time_since_epoch() == seconds(0));
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}
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/// sys 2000 case
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{
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auto ls = local_days{2000_y/January/1_d};
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auto st = clock_cast<system_clock>(ls);
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assert(clock_cast<local_t>(st) == ls);
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assert(st.time_since_epoch() == seconds(946684800));
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}
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/// utc epoch
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{
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auto lu = local_days{1970_y/January/1_d};
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<local_t>(ut) == lu);
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assert(ut.time_since_epoch() == seconds(0));
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}
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// utc leap second
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{
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auto lu = local_days{2015_y/July/1_d} - milliseconds(1);
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auto ut = clock_cast<utc_clock>(lu) + milliseconds(50); //into leap second
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assert(clock_cast<local_t>(ut) == lu);
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}
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/// utc paper example
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{
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auto lu = local_days{2000_y/January/1_d};
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<local_t>(ut) == lu);
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assert(ut.time_since_epoch() == seconds(946684822));
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}
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/// tai epoch
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{
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auto lt = local_days{1958_y/January/1_d};
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auto tt = clock_cast<tai_clock>(lt);
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assert(clock_cast<local_t>(tt) == lt);
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assert(tt.time_since_epoch() == seconds(0));
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auto lu = local_days{1958_y/January/1_d} - seconds(10);
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<tai_clock>(ut) == tt);
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}
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// tai paper example
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{
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auto lt = local_days{2000_y/January/1_d} + seconds(32);
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auto tt = clock_cast<tai_clock>(lt);
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assert(clock_cast<local_t>(tt) == lt);
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auto lu = local_days{2000_y/January/1_d};
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<tai_clock>(ut) == tt);
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}
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/// gps epoch
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{
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auto lg = local_days{1980_y/January/Sunday[1]};
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auto gt = clock_cast<gps_clock>(lg);
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assert(clock_cast<local_t>(gt) == lg);
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assert(gt.time_since_epoch() == seconds(0));
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auto lu = local_days{1980_y/January/Sunday[1]};
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<gps_clock>(ut) == gt);
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auto lt = local_days{1980_y/January/Sunday[1]} + seconds(19);
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auto tt = clock_cast<tai_clock>(lt);
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assert(clock_cast<gps_clock>(tt) == gt);
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}
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// gps 2000 example
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{
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auto lg = local_days{2000_y/January/1_d};
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auto gt = clock_cast<gps_clock>(lg);
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assert(clock_cast<local_t>(gt) == lg);
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auto lu = local_days{2000_y/January/1_d} - seconds(13);
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auto ut = clock_cast<utc_clock>(lu);
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assert(clock_cast<gps_clock>(ut) == gt);
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auto lt = local_days{2000_y/January/1_d} + seconds(19);
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auto tt = clock_cast<tai_clock>(lt);
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assert(clock_cast<gps_clock>(tt) == gt);
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}
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}
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