// Copyright 2018 Igalia, S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-Intl.Locale description: Checks that Locale can be subclassed. info: | Intl.Locale( tag [, options] ) 6. Let locale be ? OrdinaryCreateFromConstructor(NewTarget, %LocalePrototype%, internalSlotsList). features: [Intl.Locale] ---*/ class CustomLocale extends Intl.Locale { constructor(locales, options) { super(locales, options); this.isCustom = true; } } var locale = new CustomLocale("de"); assert.sameValue(locale.isCustom, true, "Custom property"); assert.sameValue(locale.toString(), "de", "Direct call"); assert.sameValue(Intl.Locale.prototype.toString.call(locale), "de", "Indirect call"); assert.sameValue(Object.getPrototypeOf(locale), CustomLocale.prototype, "Prototype");