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Add basic tests for Intl.DurationFormat accepting Temporal.Duration
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‎test/intl402/DurationFormat/prototype/format/taint-temporal-duration-prototype.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.format
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description: >
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Ensure Temporal.Duration.prototype getters aren't called.
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features: [Temporal, Intl.DurationFormat]
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---*/
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var duration = new Temporal.Duration(
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10
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);
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var formatter = new Intl.DurationFormat();
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var expected = formatter.format(duration);
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// Taint all Temporal.Duration.prototype getters.
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for (var prop of [
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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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// Ensure the property is present.
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var desc = Object.getOwnPropertyDescriptor(Temporal.Duration.prototype, prop);
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assert.notSameValue(
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desc,
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undefined,
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"Descriptor not found: " + prop
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);
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Object.defineProperty(Temporal.Duration.prototype, prop, {
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get() {
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throw new Test262Error();
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}
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});
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}
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var actual = formatter.format(duration);
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assert.sameValue(actual, expected);

‎test/intl402/DurationFormat/prototype/format/temporal-duration-object-arg.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.format
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description: >
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Temporal.Duration objects can be passed to format.
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features: [Temporal, Intl.DurationFormat]
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---*/
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var durations = [
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{
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object: new Temporal.Duration(),
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durationLike: {
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years: 0,
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},
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},
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{
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object: new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),
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durationLike: {
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years: 1,
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months: 2,
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weeks: 3,
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days: 4,
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hours: 5,
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minutes: 6,
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seconds: 7,
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milliseconds: 8,
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microseconds: 9,
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nanoseconds: 10,
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},
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},
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];
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var formatter = new Intl.DurationFormat();
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for (var {object, durationLike} of durations) {
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var expected = formatter.format(durationLike);
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var actual = formatter.format(object);
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assert.sameValue(actual, expected, `"${object}"`);
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}

‎test/intl402/DurationFormat/prototype/format/temporal-duration-string-arg.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.format
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description: >
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Temporal duration strings can be passed to format.
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features: [Temporal, Intl.DurationFormat]
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---*/
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var durations = [
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{
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string: "PT0S",
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durationLike: {
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years: 0,
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},
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},
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{
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string: "P1Y2M3W4DT5H6M7.00800901S",
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durationLike: {
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years: 1,
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months: 2,
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weeks: 3,
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days: 4,
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hours: 5,
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minutes: 6,
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seconds: 7,
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milliseconds: 8,
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microseconds: 9,
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nanoseconds: 10,
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},
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},
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];
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var formatter = new Intl.DurationFormat();
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for (var {string, durationLike} of durations) {
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var expected = formatter.format(durationLike);
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var actual = formatter.format(string);
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assert.sameValue(actual, expected, `"${string}"`);
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}

‎test/intl402/DurationFormat/prototype/formatToParts/taint-temporal-duration-prototype.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.formatToParts
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description: >
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Ensure Temporal.Duration.prototype getters aren't called.
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features: [Temporal, Intl.DurationFormat]
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---*/
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function assertSameParts(actual, expected) {
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assert.sameValue(actual.length, expected.length);
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for (var i = 0; i < actual.length; ++i) {
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assert.sameValue(actual[i].type, expected[i].type);
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assert.sameValue(actual[i].value, expected[i].value);
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assert.sameValue(actual[i].unit, expected[i].unit);
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}
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}
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var duration = new Temporal.Duration(
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10
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);
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var formatter = new Intl.DurationFormat();
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var expected = formatter.formatToParts(duration);
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// Taint all Temporal.Duration.prototype getters.
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for (var prop of [
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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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// Ensure the property is present.
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var desc = Object.getOwnPropertyDescriptor(Temporal.Duration.prototype, prop);
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assert.notSameValue(
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desc,
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undefined,
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"Descriptor not found: " + prop
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);
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Object.defineProperty(Temporal.Duration.prototype, prop, {
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get() {
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throw new Test262Error();
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}
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});
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}
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var actual = formatter.formatToParts(duration);
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assertSameParts(actual, expected);

‎test/intl402/DurationFormat/prototype/formatToParts/temporal-duration-object-arg.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.formatToParts
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description: >
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Temporal.Duration objects can be passed to formatToParts.
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features: [Temporal, Intl.DurationFormat]
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---*/
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function assertSameParts(actual, expected) {
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assert.sameValue(actual.length, expected.length);
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for (var i = 0; i < actual.length; ++i) {
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assert.sameValue(actual[i].type, expected[i].type);
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assert.sameValue(actual[i].value, expected[i].value);
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assert.sameValue(actual[i].unit, expected[i].unit);
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}
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}
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var durations = [
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{
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object: new Temporal.Duration(),
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durationLike: {
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years: 0,
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},
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},
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{
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object: new Temporal.Duration(1, 2, 3, 4, 5, 6, 7, 8, 9, 10),
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durationLike: {
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years: 1,
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months: 2,
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weeks: 3,
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days: 4,
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hours: 5,
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minutes: 6,
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seconds: 7,
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milliseconds: 8,
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microseconds: 9,
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nanoseconds: 10,
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},
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},
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];
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var formatter = new Intl.DurationFormat();
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for (var {object, durationLike} of durations) {
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var expected = formatter.format(durationLike);
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var actual = formatter.format(object);
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assertSameParts(actual, expected);
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}

‎test/intl402/DurationFormat/prototype/formatToParts/temporal-duration-string-arg.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-Intl.DurationFormat.prototype.formatToParts
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description: >
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Temporal duration strings can be passed to formatToParts.
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features: [Temporal, Intl.DurationFormat]
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---*/
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function assertSameParts(actual, expected) {
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assert.sameValue(actual.length, expected.length);
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for (var i = 0; i < actual.length; ++i) {
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assert.sameValue(actual[i].type, expected[i].type);
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assert.sameValue(actual[i].value, expected[i].value);
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assert.sameValue(actual[i].unit, expected[i].unit);
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}
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}
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var durations = [
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{
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string: "PT0S",
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durationLike: {
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years: 0,
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},
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},
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{
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string: "P1Y2M3W4DT5H6M7.00800901S",
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durationLike: {
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years: 1,
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months: 2,
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weeks: 3,
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days: 4,
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hours: 5,
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minutes: 6,
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seconds: 7,
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milliseconds: 8,
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microseconds: 9,
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nanoseconds: 10,
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},
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},
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];
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var formatter = new Intl.DurationFormat();
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for (var {string, durationLike} of durations) {
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var expected = formatter.format(durationLike);
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var actual = formatter.format(string);
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assertSameParts(actual, expected);
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}

‎test/intl402/Temporal/Duration/prototype/toLocaleString/returns-same-results-as-DurationFormat.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.duration.prototype.tolocalestring
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description: >
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Tests that Temporal.Duration.prototype.toLocaleString produces the same
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results as Intl.DurationFormat.
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features: [Temporal, Intl.DurationFormat]
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---*/
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var durationLike = {
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years: 1,
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months: 2,
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weeks: 3,
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days: 4,
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hours: 5,
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minutes: 6,
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seconds: 7,
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milliseconds: 8,
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microseconds: 9,
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nanoseconds: 10,
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};
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var duration = Temporal.Duration.from(durationLike);
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var locales = [
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undefined,
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"en",
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"de",
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"th-u-nu-thai",
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["ar-u-nu-arab"],
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];
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var options = [
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undefined,
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{style: "long"},
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];
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for (var locale of locales) {
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for (var opts of options) {
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var formatter = new Intl.DurationFormat(locale, opts);
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assert.sameValue(
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duration.toLocaleString(locale, opts),
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formatter.format(durationLike),
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`locale="${locale}", options="${JSON.stringify(opts)}", duration="${JSON.stringify(duration)}"`
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);
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}
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}

‎test/intl402/Temporal/Duration/prototype/toLocaleString/taint-duration-prototype.js

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// Copyright 2025 André Bargull. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-temporal.duration.prototype.tolocalestring
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description: >
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Ensure Temporal.Duration.prototype getters aren't called.
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features: [Temporal, Intl.DurationFormat]
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---*/
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var duration = new Temporal.Duration(
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1, 2, 3, 4, 5, 6, 7, 8, 9, 10
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);
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var expected = duration.toLocaleString();
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// Taint all Temporal.Duration.prototype getters.
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for (var prop of [
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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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// Ensure the property is present.
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var desc = Object.getOwnPropertyDescriptor(Temporal.Duration.prototype, prop);
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assert.notSameValue(
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desc,
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undefined,
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"Descriptor not found: " + prop
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);
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Object.defineProperty(Temporal.Duration.prototype, prop, {
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get() {
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throw new Test262Error();
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}
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});
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}
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var actual = duration.toLocaleString();
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assert.sameValue(actual, expected);

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