Implemented custom time zone deduction test.

Implemented test for deduction from the custom time zone ptr.
Used OffsetZone extracted for that purpose.
This commit is contained in:
Tomasz Kamiński 2019-08-06 08:45:30 +02:00 committed by Howard Hinnant
parent 7c020642fb
commit 5345d135b7
3 changed files with 83 additions and 44 deletions

73
test/tz_test/OffsetZone.h Normal file
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@ -0,0 +1,73 @@
#ifndef OFFSET_ZONE_H
#define OFFSET_ZONE_H
// The MIT License (MIT)
//
// Copyright (c) 2017 Howard Hinnant
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
// Test custom time zone support
#include "tz.h"
class OffsetZone
{
std::chrono::minutes offset_;
public:
explicit OffsetZone(std::chrono::minutes offset)
: offset_{offset}
{}
template <class Duration>
auto
to_local(date::sys_time<Duration> tp) const
{
using namespace date;
using namespace std::chrono;
using LT = local_time<std::common_type_t<Duration, minutes>>;
return LT{(tp + offset_).time_since_epoch()};
}
template <class Duration>
auto
to_sys(date::local_time<Duration> tp, date::choose = date::choose::earliest) const
{
using namespace date;
using namespace std::chrono;
using ST = sys_time<std::common_type_t<Duration, minutes>>;
return ST{(tp - offset_).time_since_epoch()};
}
template <class Duration>
date::sys_info
get_info(date::sys_time<Duration> st) const
{
using namespace date;
using namespace std::chrono;
return {sys_seconds::min(), sys_seconds::max(), offset_,
minutes{0}, offset_ >= minutes{0} ? "+" + date::format("%H%M", offset_)
: "-" + date::format("%H%M", -offset_)};
}
const OffsetZone* operator->() const {return this;}
};
#endif // OFFSET_ZONE_H

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@ -23,50 +23,7 @@
// Test custom time zone support
#include "tz.h"
class OffsetZone
{
std::chrono::minutes offset_;
public:
explicit OffsetZone(std::chrono::minutes offset)
: offset_{offset}
{}
template <class Duration>
auto
to_local(date::sys_time<Duration> tp) const
{
using namespace date;
using namespace std::chrono;
using LT = local_time<std::common_type_t<Duration, minutes>>;
return LT{(tp + offset_).time_since_epoch()};
}
template <class Duration>
auto
to_sys(date::local_time<Duration> tp) const
{
using namespace date;
using namespace std::chrono;
using ST = sys_time<std::common_type_t<Duration, minutes>>;
return ST{(tp - offset_).time_since_epoch()};
}
template <class Duration>
date::sys_info
get_info(date::sys_time<Duration> st) const
{
using namespace date;
using namespace std::chrono;
return {sys_seconds::min(), sys_seconds::max(), offset_,
minutes{0}, offset_ >= minutes{0} ? "+" + date::format("%H%M", offset_)
: "-" + date::format("%H%M", -offset_)};
}
const OffsetZone* operator->() const {return this;}
};
#include "OffsetZone.h"
#include <cassert>
int

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@ -21,6 +21,7 @@
// SOFTWARE.
#include "tz.h"
#include "OffsetZone.h"
#include <cassert>
#include <type_traits>
#include <string>
@ -216,5 +217,13 @@ main()
testDeductionFrom<time_zone const*>(std::move(tz));
}
// custom time zone
{
OffsetZone tz(minutes(45));
testDeductionFrom<OffsetZone>(tz);
testDeductionFrom<OffsetZone>(to_const(tz));
testDeductionFrom<OffsetZone>(std::move(tz));
}
#endif // HAS_DEDUCTION_GUIDES
}