| // 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 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). |
| ... |
| 8. Let matcher be ? GetOption(options, "localeMatcher", "string", « "lookup", "best fit" », "best fit"). |
| ... |
| 10. Let style be ? GetOption(options, "style", "string", « "narrow", "short", "long" », "long"). |
| ... |
| 12. Let type be ? GetOption(options, "type", "string", « "language", "region", "script", "currency" », undefined). |
| 13. If type is undefined, throw a TypeError exception. |
| |
| GetOption ( options, property, type, values, fallback ) |
| |
| 1. Let value be ? Get(options, property). |
| ... |
| features: [Intl.DisplayNames, Symbol] |
| locale: [en] |
| ---*/ |
| |
| assert.throws(Test262Error, () => { |
| new Intl.DisplayNames('en', { |
| type: 'language', fallback: { toString() { throw new Test262Error(); }} |
| }); |
| }, 'from toString'); |
| |
| assert.throws(Test262Error, () => { |
| new Intl.DisplayNames('en', { |
| type: 'language', |
| fallback: {toString: undefined, valueOf() {throw new Test262Error(); }} |
| }); |
| }, 'from valueOf'); |
| |
| assert.throws(Test262Error, () => { |
| new Intl.DisplayNames('en', { |
| type: 'language', |
| fallback: { [Symbol.toPrimitive]() { throw new Test262Error(); } } |
| }); |
| }, 'from ToPrimitive'); |
| |
| assert.throws(TypeError, () => { |
| new Intl.DisplayNames('en', { |
| type: 'language', |
| fallback: Symbol() |
| }); |
| }, 'symbol value'); |