| // Copyright 2018 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-Intl.ListFormat.supportedLocalesOf |
| description: Checks handling of an undefined options argument to the supportedLocalesOf function. |
| info: | |
| SupportedLocales ( availableLocales, requestedLocales, options ) |
| |
| 1. If options is not undefined, then |
| b. Let matcher be ? GetOption(options, "localeMatcher", "string", «"lookup", "best fit"», "best fit"). |
| features: [Intl.ListFormat] |
| ---*/ |
| |
| assert.sameValue(typeof Intl.ListFormat.supportedLocalesOf, "function", |
| "Should support Intl.ListFormat.supportedLocalesOf."); |
| |
| Object.defineProperties(Object.prototype, { |
| "localeMatcher": { |
| get() { throw new Error("Should not call localeMatcher getter"); } |
| } |
| }); |
| |
| assert.sameValue(Array.isArray(Intl.ListFormat.supportedLocalesOf()), true, "No arguments"); |
| assert.sameValue(Array.isArray(Intl.ListFormat.supportedLocalesOf([])), true, "One argument"); |
| assert.sameValue(Array.isArray(Intl.ListFormat.supportedLocalesOf([], undefined)), true, "Two arguments"); |
