// 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: > Return abrupt completion from an invalid style option 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). ... 8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit"). ... 11. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long"). ... GetOption ( options, property, type, values, fallback ) 1. Let value be ? Get(options, property). 2. If value is not undefined, then ... c. If type is "string", then i. Let value be ? ToString(value). d. If values is not undefined, then i. If values does not contain an element equal to value, throw a RangeError exception. ... features: [Intl.DisplayNames] locale: [en] ---*/ var options = { style: 'small' }; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'small'); options.style = 'very long'; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'very long'); options.style = 'full'; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'full'); options.style = null; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'null'); options.style = ''; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'the empty string'); options.style = ['narrow', 'short', 'long']; assert.throws(RangeError, () => { new Intl.DisplayNames('en', options); }, 'an array with the valid options is not necessarily valid');