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date/test/tz_test/zoned_time.pass.cpp
Howard Hinnant 893cf51fd8 Add test for zoned_time
2017-07-06 20:49:28 -04:00

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// 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.
// template <class Duration>
// class zoned_time
// {
// public:
// using duration = typename std::common_type<Duration, std::chrono::seconds>::type;
//
// zoned_time();
// zoned_time(const sys_time<Duration>& st);
// explicit zoned_time(const time_zone* z);
// explicit zoned_time(std::string_view name);
//
// template <class Duration2,
// class = typename std::enable_if
// <
// std::is_convertible<sys_time<Duration2>,
// sys_time<Duration>>::value
// >::type>
// zoned_time(const zoned_time<Duration2>& zt) NOEXCEPT;
//
// zoned_time(const time_zone* z, const local_time<Duration>& tp);
// zoned_time(std::string_view name, const local_time<Duration>& tp);
// zoned_time(const time_zone* z, const local_time<Duration>& tp, choose c);
// zoned_time(std::string_view name, const local_time<Duration>& tp, choose c);
//
// zoned_time(const time_zone* z, const zoned_time<Duration>& zt);
// zoned_time(std::string_view name, const zoned_time<Duration>& zt);
// zoned_time(const time_zone* z, const zoned_time<Duration>& zt, choose);
// zoned_time(std::string_view name, const zoned_time<Duration>& zt, choose);
//
// zoned_time(const time_zone* z, const sys_time<Duration>& st);
// zoned_time(std::string_view name, const sys_time<Duration>& st);
//
// zoned_time& operator=(const sys_time<Duration>& st);
// zoned_time& operator=(const local_time<Duration>& ut);
//
// explicit operator sys_time<duration>() const;
// explicit operator local_time<duration>() const;
//
// const time_zone* get_time_zone() const;
// local_time<duration> get_local_time() const;
// sys_time<duration> get_sys_time() const;
// sys_info get_info() const;
//
// template <class Duration1, class Duration2>
// friend
// bool
// operator==(const zoned_time<Duration1>& x, const zoned_time<Duration2>& y);
//
// template <class CharT, class Traits, class Duration1>
// friend
// std::basic_ostream<CharT, Traits>&
// operator<<(std::basic_ostream<CharT, Traits>& os, const zoned_time<Duration1>& t);
// };
//
// using zoned_seconds = zoned_time<std::chrono::seconds>;
//
// template <class Duration1, class Duration2>
// inline
// bool
// operator!=(const zoned_time<Duration1>& x, const zoned_time<Duration2>& y);
//
// template <class Duration>
// zoned_time(sys_time<Duration>)
// -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>>;
//
// template <class Zone, class Duration>
// zoned_time(Zone, sys_time<Duration>)
// -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>>;
//
// template <class Zone, class Duration>
// zoned_time(Zone, local_time<Duration>, choose = choose::earliest)
// -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>>;
//
// template <class Zone, class Duration>
// zoned_time(Zone, zoned_time<Duration>, choose = choose::earliest)
// -> zoned_time<std::common_type_t<Duration, std::chrono::seconds>>;
#include "tz.h"
#include <cassert>
#include <sstream>
#include <type_traits>
int
main()
{
using namespace std;
using namespace std::chrono;
using namespace date;
static_assert( is_nothrow_destructible<zoned_seconds>{}, "");
static_assert( is_default_constructible<zoned_seconds>{}, "");
static_assert( is_nothrow_copy_constructible<zoned_seconds>{}, "");
static_assert( is_nothrow_copy_assignable<zoned_seconds>{}, "");
static_assert( is_nothrow_move_constructible<zoned_seconds>{}, "");
static_assert( is_nothrow_move_assignable<zoned_seconds>{}, "");
static_assert(is_same<zoned_time<minutes>::duration, seconds>{}, "");
static_assert(is_same<zoned_seconds::duration, seconds>{}, "");
static_assert(is_same<zoned_time<milliseconds>::duration, milliseconds>{}, "");
// zoned_time();
{
zoned_seconds zt;
assert(zt.get_sys_time() == sys_seconds{});
assert(zt.get_time_zone()->name() == "Etc/UTC");
}
// zoned_time(const sys_time<Duration>& st);
{
static_assert(!is_convertible<sys_days, zoned_seconds>{}, "");
static_assert( is_constructible<zoned_seconds, sys_days>{}, "");
static_assert( is_convertible<sys_seconds, zoned_seconds>{}, "");
static_assert(!is_convertible<sys_time<milliseconds>, zoned_seconds>{}, "");
static_assert(!is_constructible<zoned_seconds, sys_time<milliseconds>>{}, "");
auto now = floor<seconds>(system_clock::now());
zoned_seconds zt = now;
assert(zt.get_sys_time() == now);
assert(zt.get_time_zone()->name() == "Etc/UTC");
}
// explicit zoned_time(const time_zone* z);
{
static_assert(!is_convertible<const time_zone*, zoned_seconds>{}, "");
static_assert( is_constructible<zoned_seconds, const time_zone*>{}, "");
zoned_seconds zt{locate_zone("America/New_York")};
assert(zt.get_sys_time() == sys_seconds{});
assert(zt.get_time_zone()->name() == "America/New_York");
}
// explicit zoned_time(std::string_view name);
{
static_assert(!is_convertible<std::string, zoned_seconds>{}, "");
static_assert( is_constructible<zoned_seconds, std::string>{}, "");
static_assert( is_constructible<zoned_seconds, const char*>{}, "");
static_assert( is_constructible<zoned_seconds, const char[3]>{}, "");
zoned_seconds zt{"America/New_York"};
assert(zt.get_sys_time() == sys_seconds{});
assert(zt.get_time_zone()->name() == "America/New_York");
}
// template <class Duration2,
// class = typename std::enable_if
// <
// std::is_convertible<sys_time<Duration2>,
// sys_time<Duration>>::value
// >::type>
// zoned_time(const zoned_time<Duration2>& zt) NOEXCEPT;
{
static_assert( is_convertible<zoned_time<days>, zoned_seconds>{}, "");
static_assert(!is_constructible<zoned_time<days>, zoned_seconds>{}, "");
zoned_time<days> zt1{"America/New_York", sys_days{2017_y/jul/5}};
zoned_seconds zt2 = zt1;
assert(zt2.get_sys_time() == sys_days{2017_y/jul/5});
assert(zt2.get_time_zone()->name() == "America/New_York");
}
// zoned_time(const time_zone* z, const local_time<Duration>& tp);
{
static_assert( is_constructible<zoned_seconds, const time_zone*, local_days>{}, "");
zoned_seconds zt = {locate_zone("America/New_York"), local_days{2017_y/jul/5}};
assert(zt.get_local_time() == local_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
try
{
zoned_seconds zt1 = {locate_zone("America/New_York"),
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15}};
assert(false);
}
catch(const nonexistent_local_time&)
{
}
try
{
zoned_seconds zt1 = {locate_zone("America/New_York"),
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15}};
assert(false);
}
catch(const ambiguous_local_time&)
{
}
}
// zoned_time(std::string_view name, const local_time<Duration>& tp);
{
static_assert( is_constructible<zoned_seconds, std::string, local_days>{}, "");
static_assert( is_constructible<zoned_seconds, const char*, local_days>{}, "");
zoned_seconds zt = {"America/New_York", local_days{2017_y/jul/5}};
assert(zt.get_local_time() == local_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
try
{
zoned_seconds zt1 = {"America/New_York",
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15}};
assert(false);
}
catch(const nonexistent_local_time&)
{
}
try
{
zoned_seconds zt1 = {"America/New_York",
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15}};
assert(false);
}
catch(const ambiguous_local_time&)
{
}
}
// zoned_time(const time_zone* z, const local_time<Duration>& tp, choose c);
{
static_assert( is_constructible<zoned_seconds, const time_zone*, local_days, choose>{}, "");
zoned_seconds zt = {locate_zone("America/New_York"),
local_days{2017_y/jul/5} + hours{2} + minutes{15},
choose::earliest};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{6} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
zt = {locate_zone("America/New_York"),
local_days{2017_y/jul/5} + hours{2} + minutes{15},
choose::latest};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{6} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
static_assert( is_constructible<zoned_seconds, const time_zone*, local_days, choose>{}, "");
zoned_seconds zt1 = {locate_zone("America/New_York"),
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15},
choose::earliest};
assert(zt1.get_sys_time() == sys_days{2017_y/mar/12} + hours{7});
assert(zt1.get_time_zone()->name() == "America/New_York");
zoned_seconds zt2 = {locate_zone("America/New_York"),
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15},
choose::latest};
assert(zt2.get_sys_time() == sys_days{2017_y/mar/12} + hours{7});
assert(zt2.get_time_zone()->name() == "America/New_York");
zoned_seconds zt3 = {locate_zone("America/New_York"),
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15},
choose::earliest};
assert(zt3.get_sys_time() == sys_days{2017_y/nov/5} + hours{5} + minutes{15});
assert(zt3.get_time_zone()->name() == "America/New_York");
zoned_seconds zt4 = {locate_zone("America/New_York"),
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15},
choose::latest};
assert(zt4.get_sys_time() == sys_days{2017_y/nov/5} + hours{6} + minutes{15});
assert(zt4.get_time_zone()->name() == "America/New_York");
}
// zoned_time(std::string_view name, const local_time<Duration>& tp, choose c);
{
static_assert( is_constructible<zoned_seconds, std::string, local_days, choose>{}, "");
static_assert( is_constructible<zoned_seconds, const char*, local_days, choose>{}, "");
zoned_seconds zt = {"America/New_York",
local_days{2017_y/jul/5} + hours{2} + minutes{15},
choose::earliest};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{6} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
zt = {"America/New_York",
local_days{2017_y/jul/5} + hours{2} + minutes{15},
choose::latest};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{6} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
static_assert( is_constructible<zoned_seconds, const time_zone*, local_days, choose>{}, "");
zoned_seconds zt1 = {"America/New_York",
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15},
choose::earliest};
assert(zt1.get_sys_time() == sys_days{2017_y/mar/12} + hours{7});
assert(zt1.get_time_zone()->name() == "America/New_York");
zoned_seconds zt2 = {"America/New_York",
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15},
choose::latest};
assert(zt2.get_sys_time() == sys_days{2017_y/mar/12} + hours{7});
assert(zt2.get_time_zone()->name() == "America/New_York");
zoned_seconds zt3 = {"America/New_York",
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15},
choose::earliest};
assert(zt3.get_sys_time() == sys_days{2017_y/nov/5} + hours{5} + minutes{15});
assert(zt3.get_time_zone()->name() == "America/New_York");
zoned_seconds zt4 = {"America/New_York",
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15},
choose::latest};
assert(zt4.get_sys_time() == sys_days{2017_y/nov/5} + hours{6} + minutes{15});
assert(zt4.get_time_zone()->name() == "America/New_York");
}
// zoned_time(const time_zone* z, const sys_time<Duration>& st);
{
static_assert( is_constructible<zoned_seconds, const time_zone*, sys_days>{}, "");
zoned_seconds zt = {locate_zone("America/New_York"),
sys_days{2017_y/jul/5} + hours{2} + minutes{15}};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{2} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
}
// zoned_time(std::string_view name, const sys_time<Duration>& st);
{
static_assert( is_constructible<zoned_seconds, std::string, sys_days>{}, "");
static_assert( is_constructible<zoned_seconds, const char*, sys_days>{}, "");
zoned_seconds zt = {"America/New_York",
sys_days{2017_y/jul/5} + hours{2} + minutes{15}};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5} + hours{2} + minutes{15});
assert(zt.get_time_zone()->name() == "America/New_York");
}
// zoned_time& operator=(const sys_time<Duration>& st);
{
static_assert( is_assignable<zoned_seconds, const sys_days&>{}, "");
zoned_seconds zt{"America/New_York"};
zt = sys_days{2017_y/jul/5};
assert(zt.get_sys_time() == sys_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
}
// zoned_time& operator=(const local_time<Duration>& st);
{
static_assert( is_assignable<zoned_seconds, const local_days&>{}, "");
zoned_seconds zt{"America/New_York"};
zt = local_days{2017_y/jul/5};
assert(zt.get_local_time() == local_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
try
{
zt = {"America/New_York",
local_days{2017_y/mar/sun[2]} + hours{2} + minutes{15}};
assert(false);
}
catch(const nonexistent_local_time&)
{
assert(zt.get_local_time() == local_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
}
try
{
zt = {"America/New_York",
local_days{2017_y/nov/sun[1]} + hours{1} + minutes{15}};
assert(false);
}
catch(const ambiguous_local_time&)
{
assert(zt.get_local_time() == local_days{2017_y/jul/5});
assert(zt.get_time_zone()->name() == "America/New_York");
}
}
// explicit operator sys_time<duration>() const;
{
static_assert(!is_convertible<zoned_seconds, sys_seconds>{}, "");
static_assert( is_constructible<sys_seconds, zoned_seconds>{}, "");
auto now = floor<seconds>(system_clock::now());
const zoned_seconds zt = {"America/New_York", now};
assert(sys_seconds{zt} == now);
}
// explicit operator local_time<duration>() const;
{
static_assert(!is_convertible<zoned_seconds, local_seconds>{}, "");
static_assert( is_constructible<local_seconds, zoned_seconds>{}, "");
auto now = local_days{2017_y/jul/5} + hours{23} + minutes{1} + seconds{48};
const zoned_seconds zt = {"America/New_York", now};
assert(local_seconds{zt} == now);
}
// const time_zone* get_time_zone() const;
{
const zoned_seconds zt{"America/New_York"};
assert(zt.get_time_zone() == locate_zone("America/New_York"));
}
// local_time<duration> get_local_time() const;
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
assert(zt.get_local_time() == local_days{2017_y/jul/5} +
hours{23} + minutes{7} + seconds{9});
}
// sys_time<duration> get_sys_time() const;
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
assert(zt.get_sys_time() == sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9});
}
// sys_info get_info() const;
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
auto info = zt.get_info();
assert(info.begin == sys_days{2017_y/mar/12} + hours{7});
assert(info.end == sys_days{2017_y/nov/5} + hours{6});
assert(info.offset == hours{-4});
assert(info.save != minutes{0});
assert(info.abbrev == "EDT");
}
// template <class Duration1, class Duration2>
// bool
// operator==(const zoned_time<Duration1>& x, const zoned_time<Duration2>& y);
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
const zoned_seconds zt1{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{10}};
assert(zt == zt);
assert(!(zt == zt1));
}
// template <class Duration1, class Duration2>
// bool
// operator!=(const zoned_time<Duration1>& x, const zoned_time<Duration2>& y);
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
const zoned_seconds zt1{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{10}};
assert(!(zt != zt));
assert(zt != zt1);
}
// template <class CharT, class Traits, class Duration1>
// std::basic_ostream<CharT, Traits>&
// operator<<(std::basic_ostream<CharT, Traits>& os, const zoned_time<Duration1>& t);
{
const zoned_seconds zt{"America/New_York", sys_days{2017_y/jul/6} +
hours{3} + minutes{7} + seconds{9}};
std::ostringstream test;
test << zt;
assert(test.str() == "2017-07-05 23:07:09 EDT");
}
}
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