| // Copyright (C) 2021 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-Intl.DisplayNames |
| description: Return abrupt completion from GetOption fallback |
| 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. Let options be ? ToObject(options). |
| ... |
| 12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined). |
| 13. If type is undefined, throw a TypeError exception. |
| ... |
| 24. Let languageDisplay be ? GetOption(options, "languageDisplay", "string", « "dialect", "standard" », "dialect"). |
| ... |
| |
| GetOption ( options, property, type, values, fallback ) |
| |
| 1. Let value be ? Get(options, property). |
| ... |
| features: [Intl.DisplayNames-v2] |
| locale: [en] |
| ---*/ |
| |
| var options = { type: 'language' }; |
| Object.defineProperty(options, 'languageDisplay', { |
| get() { throw new Test262Error(); }, |
| }); |
| |
| assert.throws(Test262Error, () => { |
| new Intl.DisplayNames('en', options); |
| }); |