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https://github.com/HowardHinnant/date.git
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bf5a4f3cd5
Implemented test for conversions between existing clocks (sys_clock, utc_clock, tai_clock, gps_clock) showing that they can be used instead of to_clock_time functions.
103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
// The MIT License (MIT)
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//
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// Copyright (c) 2017 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 "tz.h"
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#include <cassert>
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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 sys_clock = std::chrono::system_clock;
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// self
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto tt = tai_clock::from_utc(ut);
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assert(clock_cast<sys_clock>(st) == st);
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assert(clock_cast<utc_clock>(ut) == ut);
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assert(clock_cast<tai_clock>(tt) == tt);
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}
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// sys <-> utc
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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assert(clock_cast<utc_clock>(st) == ut);
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assert(clock_cast<sys_clock>(ut) == st);
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}
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// tai <-> utc
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto tt = tai_clock::from_utc(ut);
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assert(clock_cast<tai_clock>(ut) == tt);
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assert(clock_cast<utc_clock>(tt) == ut);
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}
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// tai <-> sys
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto tt = tai_clock::from_utc(ut);
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assert(clock_cast<tai_clock>(st) == tt);
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assert(clock_cast<sys_clock>(tt) == st);
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}
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// gps <-> utc
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto gt = gps_clock::from_utc(ut);
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assert(clock_cast<gps_clock>(ut) == gt);
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assert(clock_cast<utc_clock>(gt) == ut);
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}
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// gps <-> sys
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto gt = gps_clock::from_utc(ut);
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assert(clock_cast<gps_clock>(st) == gt);
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assert(clock_cast<sys_clock>(gt) == st);
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}
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// tai <-> gps
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{
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sys_days st(1997_y/dec/12);
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auto ut = utc_clock::from_sys(st);
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auto tt = tai_clock::from_utc(ut);
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auto gt = gps_clock::from_utc(ut);
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assert(clock_cast<gps_clock>(tt) == gt);
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assert(clock_cast<tai_clock>(gt) == tt);
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}
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}
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