options-languagedisplay-abrupt-throws.js (1299B)
1 // Copyright (C) 2021 the V8 project authors. All rights reserved. 2 // This code is governed by the BSD license found in the LICENSE file. 3 4 /*--- 5 esid: sec-Intl.DisplayNames 6 description: Return abrupt completion from GetOption fallback 7 info: | 8 Intl.DisplayNames ( locales , options ) 9 10 1. If NewTarget is undefined, throw a TypeError exception. 11 2. Let displayNames be ? OrdinaryCreateFromConstructor(NewTarget, "%DisplayNamesPrototype%", 12 « [[InitializedDisplayNames]], [[Locale]], [[Style]], [[Type]], [[Fallback]], [[Fields]] »). 13 ... 14 4. Let options be ? ToObject(options). 15 ... 16 12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined). 17 13. If type is undefined, throw a TypeError exception. 18 ... 19 24. Let languageDisplay be ? GetOption(options, "languageDisplay", "string", « "dialect", "standard" », "dialect"). 20 ... 21 22 GetOption ( options, property, type, values, fallback ) 23 24 1. Let value be ? Get(options, property). 25 ... 26 features: [Intl.DisplayNames-v2] 27 locale: [en] 28 ---*/ 29 30 var options = { type: 'language' }; 31 Object.defineProperty(options, 'languageDisplay', { 32 get() { throw new Test262Error(); }, 33 }); 34 35 assert.throws(Test262Error, () => { 36 new Intl.DisplayNames('en', options); 37 }); 38 39 reportCompare(0, 0);