// Copyright (C) 2019 Leo Balter. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-Intl.DisplayNames description: > Custom Prototype of the returned object based on the NewTarget info: | Intl.DisplayNames ( locales , options ) 1. If NewTarget is undefined, throw a TypeError exception. 2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%", « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »). ... 12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined). 13. If type is undefined, throw a TypeError exception. ... OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) ... 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto). ... GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto ) 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Set proto to realm's intrinsic object named intrinsicDefaultProto. 5. Return proto. features: [Intl.DisplayNames, Reflect] ---*/ var custom = new Function(); custom.prototype = {}; const obj = Reflect.construct(Intl.DisplayNames, [undefined, {type: 'language'}], custom); assert.sameValue(Object.getPrototypeOf(obj), custom.prototype); reportCompare(0, 0);