// 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 Locales invalid length 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]] »). 3. Let requestedLocales be ? CanonicalizeLocaleList(locales). ... CanonicalizeLocaleList ( locales ) 1. If locales is undefined, then a. Return a new empty List. 2. Let seen be a new empty List. 3. If Type(locales) is String, then a. Let O be CreateArrayFromList(« locales »). 4. Else, a. Let O be ? ToObject(locales). 5. Let len be ? ToLength(? Get(O, "length")). ToLength ( argument ) 1. Let len be ? ToInteger(argument). ... features: [Intl.DisplayNames, Symbol, BigInt] ---*/ var locales = { length: { valueOf() { throw new Test262Error(); } } }; assert.throws(Test262Error, () => { new Intl.DisplayNames(locales); }, 'poisoned valueOf for ToNumber'); locales.length = { [Symbol.toPrimitive]() { throw new Test262Error(); } }; assert.throws(Test262Error, () => { new Intl.DisplayNames(locales); }, 'poisoned ToPrimitive for ToNumber'); locales.length = { toString() { throw new Test262Error(); } }; assert.throws(Test262Error, () => { new Intl.DisplayNames(locales); }, 'poisoned toString for ToNumber'); locales.length = Symbol(); assert.throws(TypeError, () => { new Intl.DisplayNames(locales); }, 'length is Symbol'); locales.length = BigInt(1); assert.throws(TypeError, () => { new Intl.DisplayNames(locales); }, 'length is BigInt'); reportCompare(0, 0);