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serenity/Userland/Libraries/LibJS/Tests/builtins/Temporal/TimeZone/TimeZone.from.js
Linus Groh b020b8eea2 LibJS: Handle Etc/GMT timezones properly in TimeZone{IANA,Bracketed}Name
This is a normative change in the Temporal spec.

See: 8c73780
2022-03-31 17:09:10 +01:00

45 lines
1.8 KiB
JavaScript

describe("normal behavior", () => {
test("length is 1", () => {
expect(Temporal.TimeZone.from).toHaveLength(1);
});
test("basic functionality", () => {
// From object
const timeZone = new Temporal.TimeZone("UTC");
const timeZoneLike = {};
const zonedDateTimeLike = { timeZone: {} };
expect(Temporal.TimeZone.from(timeZone)).toBe(timeZone);
expect(Temporal.TimeZone.from(timeZoneLike)).toBe(timeZoneLike);
expect(Temporal.TimeZone.from(zonedDateTimeLike)).toBe(zonedDateTimeLike.timeZone);
// From string
const values = [
["UTC", "UTC"],
["GMT", "UTC"],
["Etc/UTC", "UTC"],
["Etc/GMT", "UTC"],
["Etc/GMT+6", "Etc/GMT+6"],
["Etc/GMT-6", "Etc/GMT-6"],
["Etc/GMT+12", "Etc/GMT+12"],
["Etc/GMT-12", "Etc/GMT-12"],
["Europe/London", "Europe/London"],
["Europe/Isle_of_Man", "Europe/London"],
["1970-01-01+01", "+01:00"],
["1970-01-01+01[-12:34]", "+01:00"],
["1970-01-01T00:00:00+01", "+01:00"],
["1970-01-01T00:00:00.000000000+01", "+01:00"],
["1970-01-01T00:00:00.000000000+01:00:00", "+01:00"],
["1970-01-01+12:34", "+12:34"],
["1970-01-01+12:34:56", "+12:34:56"],
["1970-01-01+12:34:56.789", "+12:34:56.789"],
["1970-01-01+12:34:56.789[-01:00]", "+12:34:56.789"],
["1970-01-01-12:34", "-12:34"],
["1970-01-01-12:34:56", "-12:34:56"],
["1970-01-01-12:34:56.789", "-12:34:56.789"],
["1970-01-01-12:34:56.789[+01:00]", "-12:34:56.789"],
];
for (const [arg, expected] of values) {
expect(Temporal.TimeZone.from(arg).id).toBe(expected);
}
});
});