| // 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: > |
| Throws TypeError if options is null |
| 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]] »). |
| ... |
| 4. If options is undefined, then |
| a. Let options be ObjectCreate(null). |
| 5. Else |
| a. Let options be ? ToObject(options). |
| ... |
| features: [Intl.DisplayNames] |
| locale: [en] |
| ---*/ |
| |
| assert.throws(TypeError, () => { |
| new Intl.DisplayNames('en', null); |
| }, 'null'); |