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LibJS: Implement Temporal.Duration.prototype.toString()

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I hereby claim "implemented largest AO in LibJS ever" (450 lines). :^)
This commit is contained in:
Linus Groh 2021-11-07 01:41:52 +00:00
parent 36b51276d5
commit b2548393d2
7 changed files with 816 additions and 0 deletions
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94
Userland/Libraries/LibJS/Tests/builtins/Temporal/Duration/Duration.prototype.toString.js Normal file
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describe("correct behavior", () => {
test("length is 0", () => {
expect(Temporal.Duration.prototype.toString).toHaveLength(0);
});
test("basic functionality", () => {
const values = [
[[0], "PT0S"],
[[1], "P1Y"],
[[0, 1], "P1M"],
[[0, 0, 1], "P1W"],
[[0, 0, 0, 1], "P1D"],
[[0, 0, 0, 0, 1], "PT1H"],
[[0, 0, 0, 0, 0, 1], "PT1M"],
[[0, 0, 0, 0, 0, 0, 1], "PT1S"],
[[0, 0, 0, 0, 0, 0, 0, 1], "PT0.001S"],
[[0, 0, 0, 0, 0, 0, 0, 0, 1], "PT0.000001S"],
[[0, 0, 0, 0, 0, 0, 0, 0, 0, 1], "PT0.000000001S"],
[[1, 2], "P1Y2M"],
[[1, 2, 3], "P1Y2M3W"],
[[1, 2, 3, 4], "P1Y2M3W4D"],
[[1, 2, 3, 4, 5], "P1Y2M3W4DT5H"],
[[1, 2, 3, 4, 5, 6], "P1Y2M3W4DT5H6M"],
[[1, 2, 3, 4, 5, 6, 7], "P1Y2M3W4DT5H6M7S"],
[[1, 2, 3, 4, 5, 6, 7, 8], "P1Y2M3W4DT5H6M7.008S"],
[[1, 2, 3, 4, 5, 6, 7, 8, 9], "P1Y2M3W4DT5H6M7.008009S"],
[[1, 2, 3, 4, 5, 6, 7, 8, 9, 10], "P1Y2M3W4DT5H6M7.00800901S"],
[
[100, 200, 300, 400, 500, 600, 700, 800, 900, 1000],
"P100Y200M300W400DT500H600M700.800901S",
],
[[-1], "-P1Y"],
];
for (const [args, expected] of values) {
expect(new Temporal.Duration(...args).toString()).toBe(expected);
}
});
test("smallestUnit option", () => {
const values = [
["second", "P1Y2M3W4DT5H6M7S"],
["millisecond", "P1Y2M3W4DT5H6M7.008S"],
["microsecond", "P1Y2M3W4DT5H6M7.008010S"],
["nanosecond", "P1Y2M3W4DT5H6M7.008010000S"],
];
for (const [smallestUnit, expected] of values) {
expect(
new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 8, 10).toString({ smallestUnit })
).toBe(expected);
}
});
test("fractionalSecondDigits option", () => {
const values = [
[0, "P1Y2M3W4DT5H6M7S"],
[1, "P1Y2M3W4DT5H6M7.0S"],
[2, "P1Y2M3W4DT5H6M7.00S"],
[3, "P1Y2M3W4DT5H6M7.008S"],
[4, "P1Y2M3W4DT5H6M7.0080S"],
[5, "P1Y2M3W4DT5H6M7.00801S"],
[6, "P1Y2M3W4DT5H6M7.008010S"],
[7, "P1Y2M3W4DT5H6M7.0080100S"],
[8, "P1Y2M3W4DT5H6M7.00801000S"],
[9, "P1Y2M3W4DT5H6M7.008010000S"],
];
for (const [fractionalSecondDigits, expected] of values) {
expect(
new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 8, 10).toString({
fractionalSecondDigits,
})
).toBe(expected);
}
});
});
describe("errors", () => {
test("this value must be a Temporal.Duration object", () => {
expect(() => {
Temporal.Duration.prototype.toString.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
});
test("disallowed smallestUnit option values", () => {
const values = ["year", "month", "week", "day", "hour", "minute"];
for (const smallestUnit of values) {
expect(() => {
new Temporal.Duration(0).toString({ smallestUnit });
}).toThrowWithMessage(
RangeError,
`${smallestUnit} is not a valid value for option smallestUnit`
);
}
});
});