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ladybird/Tests/LibLocale/TestDateTimeFormat.cpp

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LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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/*
Everywhere: Update copyrights with my new serenityos.org e-mail :^)
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* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibTest/TestCase.h>
#include <AK/Array.h>
#include <AK/StringView.h>
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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#include <AK/Time.h>
LibLocale: Move locale source files to the LibLocale folder These are still included in LibUnicode, but this updates their location and the include paths of other files which include them.
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#include <LibLocale/DateTimeFormat.h>
LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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TEST_CASE(time_zone_name)
{
struct TestData {
StringView locale;
Userland: Move files destined for LibLocale to the Locale namespace
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Locale::CalendarPatternStyle style;
LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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StringView time_zone;
StringView expected_result;
};
constexpr auto test_data = Array {
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "UTC"sv, "Coordinated Universal Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "UTC"sv, "UTC"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongGeneric, "UTC"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortGeneric, "UTC"sv, "GMT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "UTC"sv, "التوقيت العالمي المنسق"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "UTC"sv, "UTC"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongGeneric, "UTC"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortGeneric, "UTC"sv, "غرينتش"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Long, "America/Los_Angeles"sv, "Pacific Standard Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "America/Los_Angeles"sv, "PST"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongGeneric, "America/Los_Angeles"sv, "Pacific Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortGeneric, "America/Los_Angeles"sv, "PT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "America/Los_Angeles"sv, "توقيت المحيط الهادي الرسمي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "America/Los_Angeles"sv, "غرينتش-٨"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongGeneric, "America/Los_Angeles"sv, "توقيت المحيط الهادي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortGeneric, "America/Los_Angeles"sv, "غرينتش-٨"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Long, "America/Vancouver"sv, "Pacific Standard Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "America/Vancouver"sv, "PST"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongGeneric, "America/Vancouver"sv, "Pacific Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortGeneric, "America/Vancouver"sv, "PT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "America/Vancouver"sv, "توقيت المحيط الهادي الرسمي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "America/Vancouver"sv, "غرينتش-٨"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongGeneric, "America/Vancouver"sv, "توقيت المحيط الهادي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortGeneric, "America/Vancouver"sv, "غرينتش-٨"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Long, "Europe/London"sv, "Greenwich Mean Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "Europe/London"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongGeneric, "Europe/London"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortGeneric, "Europe/London"sv, "GMT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "Europe/London"sv, "توقيت غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "Europe/London"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongGeneric, "Europe/London"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortGeneric, "Europe/London"sv, "غرينتش"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Long, "Africa/Accra"sv, "Greenwich Mean Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "Africa/Accra"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongGeneric, "Africa/Accra"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortGeneric, "Africa/Accra"sv, "GMT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "Africa/Accra"sv, "توقيت غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "Africa/Accra"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongGeneric, "Africa/Accra"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortGeneric, "Africa/Accra"sv, "غرينتش"sv },
LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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};
LibTimeZone+Userland: Change timezone functions to use UnixDateTime This incurs a whole host of changes in, among others, JavaScript Intl and Date.
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constexpr auto jan_1_2022 = AK::UnixDateTime::from_seconds_since_epoch(1640995200); // Saturday, January 1, 2022 12:00:00 AM
LibUnicode: Fall back to GMT offset when a time zone name is unavailable The following table in TR-35 includes a web of fall back rules when the requested time zone style is unavailable: https://unicode.org/reports/tr35/tr35-dates.html#dfst-zone Conveniently, the subset of styles supported by ECMA-402 (and therefore LibUnicode) all either fall back to GMT offset or to a style that is unsupported but itself falls back to GMT offset.
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LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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for (auto const& test : test_data) {
LibLocale+LibJS+ClockSettings: Make date time format APIs infallible These APIs only perform small allocations, and are only used by LibJS and the time zone settings widget. Callers which could only have failed from these APIs are also made to be infallible here.
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auto time_zone = Locale::format_time_zone(test.locale, test.time_zone, test.style, jan_1_2022);
LibUnicode: Fall back to GMT offset when a time zone name is unavailable The following table in TR-35 includes a web of fall back rules when the requested time zone style is unavailable: https://unicode.org/reports/tr35/tr35-dates.html#dfst-zone Conveniently, the subset of styles supported by ECMA-402 (and therefore LibUnicode) all either fall back to GMT offset or to a style that is unsupported but itself falls back to GMT offset.
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EXPECT_EQ(time_zone, test.expected_result);
LibUnicode: Do not assume time zones & meta zones have a 1-to-1 mapping The generator parses metaZones.json to form a mapping of meta zones to time zones (AKA "golden zone" in TR-35). This parser errantly assumed this was a 1-to-1 mapping.
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}
}
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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TEST_CASE(time_zone_name_dst)
{
struct TestData {
StringView locale;
Userland: Move files destined for LibLocale to the Locale namespace
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Locale::CalendarPatternStyle style;
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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StringView time_zone;
StringView expected_result;
};
constexpr auto test_data = Array {
Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "UTC"sv, "Coordinated Universal Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "UTC"sv, "UTC"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "UTC"sv, "التوقيت العالمي المنسق"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "UTC"sv, "UTC"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "America/Los_Angeles"sv, "Pacific Daylight Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "America/Los_Angeles"sv, "PDT"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "America/Los_Angeles"sv, "توقيت المحيط الهادي الصيفي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "America/Los_Angeles"sv, "غرينتش-٧"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "America/Vancouver"sv, "Pacific Daylight Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "America/Vancouver"sv, "PDT"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "America/Vancouver"sv, "توقيت المحيط الهادي الصيفي"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "America/Vancouver"sv, "غرينتش-٧"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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// FIXME: This should be "British Summer Time", but the CLDR puts that one name in a section we aren't parsing.
Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "Europe/London"sv, "GMT+01:00"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "Europe/London"sv, "GMT+1"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "Europe/London"sv, "غرينتش+٠١:٠٠"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "Europe/London"sv, "غرينتش+١"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::Long, "Africa/Accra"sv, "Greenwich Mean Time"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::Short, "Africa/Accra"sv, "GMT"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "ar"sv, Locale::CalendarPatternStyle::Long, "Africa/Accra"sv, "توقيت غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::Short, "Africa/Accra"sv, "غرينتش"sv },
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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};
LibTimeZone+Userland: Change timezone functions to use UnixDateTime This incurs a whole host of changes in, among others, JavaScript Intl and Date.
2023-03-13 21:28:08 +00:00
constexpr auto sep_19_2022 = AK::UnixDateTime::from_seconds_since_epoch(1663553728); // Monday, September 19, 2022 2:15:28 AM
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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for (auto const& test : test_data) {
LibLocale+LibJS+ClockSettings: Make date time format APIs infallible These APIs only perform small allocations, and are only used by LibJS and the time zone settings widget. Callers which could only have failed from these APIs are also made to be infallible here.
2023-08-22 20:41:36 +00:00
auto time_zone = Locale::format_time_zone(test.locale, test.time_zone, test.style, sep_19_2022);
LibJS+LibUnicode: Return the appropriate time zone name depending on DST
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EXPECT_EQ(time_zone, test.expected_result);
}
}
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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TEST_CASE(format_time_zone_offset)
{
LibTimeZone+Userland: Change timezone functions to use UnixDateTime This incurs a whole host of changes in, among others, JavaScript Intl and Date.
2023-03-13 21:28:08 +00:00
constexpr auto jan_1_1833 = AK::UnixDateTime::from_seconds_since_epoch(-4323283200); // Tuesday, January 1, 1833 12:00:00 AM
constexpr auto jan_1_2022 = AK::UnixDateTime::from_seconds_since_epoch(1640995200); // Saturday, January 1, 2022 12:00:00 AM
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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struct TestData {
StringView locale;
Userland: Move files destined for LibLocale to the Locale namespace
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Locale::CalendarPatternStyle style;
LibTimeZone+Userland: Change timezone functions to use UnixDateTime This incurs a whole host of changes in, among others, JavaScript Intl and Date.
2023-03-13 21:28:08 +00:00
AK::UnixDateTime time;
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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StringView time_zone;
StringView expected_result;
};
constexpr auto test_data = Array {
Userland: Move files destined for LibLocale to the Locale namespace
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TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, {}, "UTC"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, {}, "UTC"sv, "GMT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, {}, "UTC"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, {}, "UTC"sv, "غرينتش"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "America/Los_Angeles"sv, "GMT-7:52:58"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "America/Los_Angeles"sv, "GMT-8"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "America/Los_Angeles"sv, "GMT-07:52:58"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "America/Los_Angeles"sv, "GMT-08:00"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "America/Los_Angeles"sv, "غرينتش-٧:٥٢:٥٨"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "America/Los_Angeles"sv, "غرينتش-٨"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "America/Los_Angeles"sv, "غرينتش-٠٧:٥٢:٥٨"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "America/Los_Angeles"sv, "غرينتش-٠٨:٠٠"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "Europe/London"sv, "GMT-0:01:15"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "Europe/London"sv, "GMT"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "Europe/London"sv, "GMT-00:01:15"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "Europe/London"sv, "GMT"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "Europe/London"sv, "غرينتش-٠:٠١:١٥"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "Europe/London"sv, "غرينتش"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "Europe/London"sv, "غرينتش-٠٠:٠١:١٥"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "Europe/London"sv, "غرينتش"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "Asia/Kathmandu"sv, "GMT+5:41:16"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "Asia/Kathmandu"sv, "GMT+5:45"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "Asia/Kathmandu"sv, "GMT+05:41:16"sv },
TestData { "en"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "Asia/Kathmandu"sv, "GMT+05:45"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_1833, "Asia/Kathmandu"sv, "غرينتش+٥:٤١:١٦"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::ShortOffset, jan_1_2022, "Asia/Kathmandu"sv, "غرينتش+٥:٤٥"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_1833, "Asia/Kathmandu"sv, "غرينتش+٠٥:٤١:١٦"sv },
TestData { "ar"sv, Locale::CalendarPatternStyle::LongOffset, jan_1_2022, "Asia/Kathmandu"sv, "غرينتش+٠٥:٤٥"sv },
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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};
for (auto const& test : test_data) {
LibLocale+LibJS+ClockSettings: Make date time format APIs infallible These APIs only perform small allocations, and are only used by LibJS and the time zone settings widget. Callers which could only have failed from these APIs are also made to be infallible here.
2023-08-22 20:41:36 +00:00
auto time_zone = Locale::format_time_zone(test.locale, test.time_zone, test.style, test.time);
LibUnicode: Implement TR-35's localized GMT offset formatting This adds an API to use LibTimeZone to convert a time zone such as "America/New_York" to a GMT offset string like "GMT-5" (short form) or "GMT-05:00" (long form).
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EXPECT_EQ(time_zone, test.expected_result);
}
}
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