// Copyright (C) 2021 Igalia S.L. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-intl-datetimeformat-constructor description: > Tests that the Intl.DateTimeFormat constructor calls OrdinaryHasInstance instead of the instanceof operator which includes a Symbol.hasInstance lookup and call among other things. info: > ChainDateTimeFormat ( dateTimeFormat, newTarget, this ) 1. If newTarget is undefined and ? OrdinaryHasInstance(%DateTimeFormat%, this) is true, then a. Perform ? DefinePropertyOrThrow(this, %Intl%.[[FallbackSymbol]], PropertyDescriptor{ [[Value]]: dateTimeFormat, [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }). b. Return this. ---*/ Object.defineProperty(Intl.DateTimeFormat, Symbol.hasInstance, { get() { throw new Test262Error(); } }); Intl.DateTimeFormat();