src/v8/test/intl/locale/locale-properties.js

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// Make sure that locale exposes all required properties. Those not specified
// should have undefined value.

let locale = new Intl.Locale('sr-cyrl-rs-t-ja-u-ca-islamic-x-whatever', {
  calendar: 'buddhist',
  caseFirst: 'true',
  collation: 'phonebk',
  hourCycle: 'h23',
  caseFirst: 'upper',
  numeric: 'true',
  numberingSystem: 'roman'
});
assertEquals('sr', locale.language);
assertEquals('Cyrl', locale.script);
assertEquals('RS', locale.region);
assertEquals('sr-Cyrl-RS', locale.baseName);
assertEquals('buddhist', locale.calendar);
assertEquals('phonebk', locale.collation);
assertEquals('h23', locale.hourCycle);
assertEquals('upper', locale.caseFirst);
assertEquals(true, locale.numeric);
assertEquals('roman', locale.numberingSystem);
// Not defined, expected to undefined.
assertEquals(undefined, locale.currency);
assertEquals(undefined, locale.timeZone);

// Test property defined in spec, but not specified in locale.
let missing_property = new Intl.Locale('sr');
assertEquals(undefined, missing_property.script);