| // 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: > |
| Instance is extensible |
| 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]] »). |
| ... |
| |
| OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) |
| |
| ... |
| 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto). |
| 3. Return ObjectCreate(proto, internalSlotsList). |
| |
| ObjectCreate ( proto [ , internalSlotsList ] ) |
| |
| ... |
| 2. Let obj be a newly created object with an internal slot for each name in internalSlotsList. |
| 3. Set obj's essential internal methods to the default ordinary object definitions specified in 9.1. |
| 4. Set obj.[[Prototype]] to proto. |
| 5. Set obj.[[Extensible]] to true. |
| 6. Return obj. |
| features: [Intl.DisplayNames] |
| ---*/ |
| |
| var obj = new Intl.DisplayNames(); |
| |
| assert(Object.isExtensible(obj)); |
