mirror of https://github.com/tc39/test262.git
68 lines
2.7 KiB
JavaScript
68 lines
2.7 KiB
JavaScript
// Copyright 2012 Mozilla Corporation. 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-createdatetimeformat
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description: >
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Tests that the options numberingSystem and calendar can be set through
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either the locale or the options.
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author: Norbert Lindenberg, Daniel Ehrenberg
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---*/
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let defaultLocale = new Intl.DateTimeFormat().resolvedOptions().locale;
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let supportedNumberingSystems = ["latn", "arab"].filter(nu =>
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new Intl.DateTimeFormat(defaultLocale + "-u-nu-" + nu)
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.resolvedOptions().numberingSystem === nu
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);
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let supportedCalendars = ["gregory", "chinese"].filter(ca =>
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new Intl.DateTimeFormat(defaultLocale + "-u-ca-" + ca)
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.resolvedOptions().calendar === ca
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);
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let options = [
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{key: "nu", property: "numberingSystem", type: "string", values: supportedNumberingSystems},
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{key: "ca", property: "calendar", type: "string", values: supportedCalendars}
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];
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options.forEach(function (option) {
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let dateTimeFormat, opt, result;
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// find out which values are supported for a property in the default locale
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let supportedValues = [];
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option.values.forEach(function (value) {
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opt = {};
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opt[option.property] = value;
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dateTimeFormat = new Intl.DateTimeFormat([defaultLocale], opt);
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result = dateTimeFormat.resolvedOptions()[option.property];
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if (result !== undefined && supportedValues.indexOf(result) === -1) {
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supportedValues.push(result);
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}
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});
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// verify that the supported values can also be set through the locale
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supportedValues.forEach(function (value) {
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dateTimeFormat = new Intl.DateTimeFormat([defaultLocale + "-u-" + option.key + "-" + value]);
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result = dateTimeFormat.resolvedOptions()[option.property];
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assert.sameValue(result, value, "Property " + option.property + " couldn't be set through locale extension key " + option.key + ".");
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});
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// verify that the options setting overrides the locale setting
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supportedValues.forEach(function (value) {
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let otherValue;
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option.values.forEach(function (possibleValue) {
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if (possibleValue !== value) {
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otherValue = possibleValue;
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}
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});
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if (otherValue !== undefined) {
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opt = {};
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opt[option.property] = value;
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dateTimeFormat = new Intl.DateTimeFormat([defaultLocale + "-u-" + option.key + "-" + otherValue], opt);
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result = dateTimeFormat.resolvedOptions()[option.property];
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assert.sameValue(result, value, "Options value for property " + option.property + " doesn't override locale extension key " + option.key + ".");
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}
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});
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});
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