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LibJS: Implement Temporal.PlainTime.prototype.with
Ticks off one box in #8982 and fixes one test262 case.
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const PLAIN_TIME_PROPERTIES = [
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"hour",
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"minute",
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"second",
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"millisecond",
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"microsecond",
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"nanosecond",
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];
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const REJECTED_CALENDAR_TYPES_THREE_ARGUMENTS = [
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Temporal.PlainDate,
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Temporal.PlainDateTime,
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Temporal.PlainTime,
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];
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const REJECTED_CALENDAR_TYPES_TWO_ARGUMENTS = [Temporal.PlainMonthDay, Temporal.PlainYearMonth];
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describe("correct behaviour", () => {
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test("length is 1", () => {
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expect(Temporal.PlainTime.prototype.with).toHaveLength(1);
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});
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test("basic functionality", () => {
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const plainTime = new Temporal.PlainTime(1, 2, 3).with({ hour: 4, foo: 5, second: 6 });
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expect(plainTime.hour).toBe(4);
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expect(plainTime.minute).toBe(2);
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expect(plainTime.second).toBe(6);
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});
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test("each property is looked up from the object", () => {
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for (const property of PLAIN_TIME_PROPERTIES) {
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const plainTime = new Temporal.PlainTime().with({ [property]: 1 });
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expect(plainTime[property]).toBe(1);
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}
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});
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test("each property is coerced to number", () => {
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for (const property of PLAIN_TIME_PROPERTIES) {
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const plainTime = new Temporal.PlainTime().with({ [property]: "1" });
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expect(plainTime[property]).toBe(1);
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}
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});
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test("argument can have a calendar property as long as it's undefined", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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calendar: undefined,
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});
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}).not.toThrowWithMessage(TypeError, "Argument must not have a defined calendar property");
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});
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test("argument can have a timeZone property as long as it's undefined", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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timeZone: undefined,
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});
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}).not.toThrowWithMessage(TypeError, "Argument must not have a defined timeZone property");
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});
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});
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describe("errors", () => {
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test("this value must be a Temporal.PlainTime object", () => {
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expect(() => {
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Temporal.PlainTime.prototype.with.call("foo");
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}).toThrowWithMessage(TypeError, "Not a Temporal.PlainTime object");
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});
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test("argument is not an object", () => {
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expect(() => {
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new Temporal.PlainTime().with("foo");
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}).toThrowWithMessage(TypeError, "foo is not an object");
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expect(() => {
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new Temporal.PlainTime().with(42);
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}).toThrowWithMessage(TypeError, "42 is not an object");
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});
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test("options is not an object", () => {
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expect(() => {
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new Temporal.PlainTime().with({ hour: 1 }, "foo");
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}).toThrowWithMessage(TypeError, "Options is not an object");
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expect(() => {
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new Temporal.PlainTime().with({ hour: 1 }, 42);
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}).toThrowWithMessage(TypeError, "Options is not an object");
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});
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test("invalid overflow option", () => {
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expect(() => {
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new Temporal.PlainTime().with({ hour: 1 }, { overflow: "a" });
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}).toThrowWithMessage(RangeError, "a is not a valid value for option overflow");
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});
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test("argument is an invalid plain time-like object", () => {
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expect(() => {
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new Temporal.PlainTime().with({});
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}).toThrowWithMessage(TypeError, "Invalid plain time-like object");
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expect(() => {
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new Temporal.PlainTime().with({ foo: 1, bar: 2 });
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}).toThrowWithMessage(TypeError, "Invalid plain time-like object");
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});
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test("error when coercing property to number", () => {
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for (const property of PLAIN_TIME_PROPERTIES) {
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expect(() => {
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new Temporal.PlainTime().with({
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[property]: {
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valueOf() {
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throw new Error("error occurred");
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},
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},
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});
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}).toThrowWithMessage(Error, "error occurred");
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}
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});
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test("property must be finite", () => {
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for (const property of PLAIN_TIME_PROPERTIES) {
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expect(() => {
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new Temporal.PlainTime().with({ [property]: Infinity });
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}).toThrowWithMessage(RangeError, "Property must not be Infinity");
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expect(() => {
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new Temporal.PlainTime().with({ [property]: -Infinity });
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}).toThrowWithMessage(RangeError, "Property must not be Infinity");
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}
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});
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test("error when getting property", () => {
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for (const property of PLAIN_TIME_PROPERTIES) {
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expect(() => {
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new Temporal.PlainTime().with({
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get [property]() {
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throw new Error("error occurred");
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},
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});
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}).toThrowWithMessage(Error, "error occurred");
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}
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});
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test("argument must not have a defined calendar property", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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calendar: null,
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});
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}).toThrowWithMessage(TypeError, "Argument must not have a defined calendar property");
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expect(() => {
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new Temporal.PlainTime().with({
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calendar: 1,
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});
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}).toThrowWithMessage(TypeError, "Argument must not have a defined calendar property");
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});
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test("argument must not have a defined timeZone property", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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timeZone: null,
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});
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}).toThrowWithMessage(TypeError, "Argument must not have a defined timeZone property");
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expect(() => {
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new Temporal.PlainTime().with({
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timeZone: 1,
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});
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}).toThrowWithMessage(TypeError, "Argument must not have a defined timeZone property");
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});
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test("error when getting calendar", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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get calendar() {
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throw new Error("error occurred");
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},
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});
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}).toThrowWithMessage(Error, "error occurred");
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});
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test("error when getting timeZone", () => {
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expect(() => {
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new Temporal.PlainTime().with({
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get timeZone() {
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throw new Error("error occurred");
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},
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});
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}).toThrowWithMessage(Error, "error occurred");
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});
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test("rejects calendar types", () => {
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for (const typeWithCalendar of REJECTED_CALENDAR_TYPES_THREE_ARGUMENTS) {
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expect(() => {
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new Temporal.PlainTime().with(new typeWithCalendar(1, 1, 1));
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}).toThrowWithMessage(
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TypeError,
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"Argument must not have a defined calendar or timeZone property"
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);
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}
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for (const typeWithCalendar of REJECTED_CALENDAR_TYPES_TWO_ARGUMENTS) {
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expect(() => {
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new Temporal.PlainTime().with(new typeWithCalendar(1, 1));
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}).toThrowWithMessage(
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TypeError,
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"Argument must not have a defined calendar or timeZone property"
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);
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}
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expect(() => {
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new Temporal.PlainTime().with(new Temporal.ZonedDateTime(1n, {}));
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}).toThrowWithMessage(
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TypeError,
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"Argument must not have a defined calendar or timeZone property"
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);
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});
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});
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