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LibJS: Implement mathematical Temporal.Duration prototypes
Includes: Temporal.Duration.prototype.negated Temporal.Duration.prototype.abs Temporal.Duration.prototype.add Temporal.Duration.prototype.subtract
This commit is contained in:
Timothy Flynn
Tim Flynn
parent
55c81482b0
commit
a80523be18
Notes:
github-actions[bot]
2024-11-21 00:06:00 +00:00
Author: https://github.com/trflynn89
Commit: a80523be18
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2431
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/shannonbooth ✅
11 changed files with 591 additions and 0 deletions
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@ -0,0 +1,53 @@
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const DURATION_PROPERTIES = [
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"years",
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"months",
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"weeks",
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"days",
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"hours",
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"minutes",
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"seconds",
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"milliseconds",
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"microseconds",
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"nanoseconds",
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];
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describe("correct behavior", () => {
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test("length is 0", () => {
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expect(Temporal.Duration.prototype.abs).toHaveLength(0);
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});
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test("basic functionality", () => {
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let absoluteDuration;
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absoluteDuration = new Temporal.Duration(123).abs();
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expect(absoluteDuration.years).toBe(123);
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absoluteDuration = new Temporal.Duration(-123).abs();
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expect(absoluteDuration.years).toBe(123);
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});
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test("each property is made absolute", () => {
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let values;
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let duration;
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values = Array(DURATION_PROPERTIES.length).fill(-1);
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duration = new Temporal.Duration(...values).abs();
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for (const property of DURATION_PROPERTIES) {
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expect(duration[property]).toBe(1);
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}
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values = Array(DURATION_PROPERTIES.length).fill(1);
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duration = new Temporal.Duration(...values).abs();
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for (const property of DURATION_PROPERTIES) {
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expect(duration[property]).toBe(1);
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}
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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.Duration object", () => {
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expect(() => {
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Temporal.Duration.prototype.abs.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
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});
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});
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describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Temporal.Duration.prototype.add).toHaveLength(1);
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});
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function checkCommonResults(durationResult) {
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expect(durationResult.years).toBe(0);
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expect(durationResult.months).toBe(0);
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expect(durationResult.weeks).toBe(0);
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expect(durationResult.days).toBe(3);
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expect(durationResult.hours).toBe(3);
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expect(durationResult.minutes).toBe(3);
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expect(durationResult.seconds).toBe(3);
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expect(durationResult.milliseconds).toBe(3);
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expect(durationResult.microseconds).toBe(3);
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expect(durationResult.nanoseconds).toBe(3);
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}
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test("basic functionality", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = new Temporal.Duration(0, 0, 0, 1, 1, 1, 1, 1, 1, 1);
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const durationResult = duration.add(oneDuration);
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checkCommonResults(durationResult);
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});
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test("from duration-like", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = {
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days: 1,
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hours: 1,
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minutes: 1,
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seconds: 1,
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milliseconds: 1,
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microseconds: 1,
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nanoseconds: 1,
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};
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const durationResult = duration.add(oneDuration);
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checkCommonResults(durationResult);
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});
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test("from string", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = "P1DT1H1M1.001001001S";
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const durationResult = duration.add(oneDuration);
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checkCommonResults(durationResult);
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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.Duration object", () => {
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expect(() => {
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Temporal.Duration.prototype.add.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
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});
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test("relativeTo is required when duration has calendar units", () => {
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const yearDuration = new Temporal.Duration(1);
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const monthDuration = new Temporal.Duration(0, 1);
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const weekDuration = new Temporal.Duration(0, 0, 1);
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const durationToAdd = { seconds: 1 };
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expect(() => {
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yearDuration.add(durationToAdd);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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expect(() => {
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monthDuration.add(durationToAdd);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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expect(() => {
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weekDuration.add(durationToAdd);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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});
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});
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@ -0,0 +1,42 @@
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const DURATION_PROPERTIES = [
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"years",
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"months",
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"weeks",
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"days",
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"hours",
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"minutes",
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"seconds",
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"milliseconds",
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"microseconds",
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"nanoseconds",
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];
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describe("correct behavior", () => {
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test("length is 0", () => {
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expect(Temporal.Duration.prototype.negated).toHaveLength(0);
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});
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test("basic functionality", () => {
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const negativeDuration = new Temporal.Duration(123).negated();
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expect(negativeDuration.years).toBe(-123);
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const positiveDuration = new Temporal.Duration(-123).negated();
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expect(positiveDuration.years).toBe(123);
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});
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test("each property is negated", () => {
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const values = Array(DURATION_PROPERTIES.length).fill(1);
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const duration = new Temporal.Duration(...values).negated();
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for (const property of DURATION_PROPERTIES) {
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expect(duration[property]).toBe(-1);
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}
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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.Duration object", () => {
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expect(() => {
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Temporal.Duration.prototype.negated.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
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});
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});
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describe("correct behavior", () => {
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test("length is 1", () => {
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expect(Temporal.Duration.prototype.subtract).toHaveLength(1);
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});
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function checkCommonResults(durationResult) {
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expect(durationResult.years).toBe(0);
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expect(durationResult.months).toBe(0);
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expect(durationResult.weeks).toBe(0);
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expect(durationResult.days).toBe(1);
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expect(durationResult.hours).toBe(1);
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expect(durationResult.minutes).toBe(1);
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expect(durationResult.seconds).toBe(1);
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expect(durationResult.milliseconds).toBe(1);
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expect(durationResult.microseconds).toBe(1);
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expect(durationResult.nanoseconds).toBe(1);
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}
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test("basic functionality", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = new Temporal.Duration(0, 0, 0, 1, 1, 1, 1, 1, 1, 1);
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const durationResult = duration.subtract(oneDuration);
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checkCommonResults(durationResult);
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});
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test("from duration-like", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = {
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days: 1,
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hours: 1,
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minutes: 1,
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seconds: 1,
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milliseconds: 1,
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microseconds: 1,
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nanoseconds: 1,
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};
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const durationResult = duration.subtract(oneDuration);
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checkCommonResults(durationResult);
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});
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test("from string", () => {
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const duration = new Temporal.Duration(0, 0, 0, 2, 2, 2, 2, 2, 2, 2);
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const oneDuration = "P1DT1H1M1.001001001S";
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const durationResult = duration.subtract(oneDuration);
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checkCommonResults(durationResult);
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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.Duration object", () => {
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expect(() => {
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Temporal.Duration.prototype.subtract.call("foo");
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}).toThrowWithMessage(TypeError, "Not an object of type Temporal.Duration");
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});
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test("relativeTo is required when duration has calendar units", () => {
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const yearDuration = new Temporal.Duration(1);
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const monthDuration = new Temporal.Duration(0, 1);
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const weekDuration = new Temporal.Duration(0, 0, 1);
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const durationToSubtract = { seconds: 1 };
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expect(() => {
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yearDuration.subtract(durationToSubtract);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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expect(() => {
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monthDuration.subtract(durationToSubtract);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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expect(() => {
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weekDuration.subtract(durationToSubtract);
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}).toThrowWithMessage(RangeError, "Largest unit must not be a calendar unit");
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});
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});
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