| // Copyright 2018 Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-Intl.Segmenter.supportedLocalesOf |
| description: Checks handling of invalid values for the localeMatcher option 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.Segmenter] |
| ---*/ |
| |
| assert.sameValue(typeof Intl.Segmenter.supportedLocalesOf, "function", |
| "Should support Intl.Segmenter.supportedLocalesOf."); |
| |
| const invalidOptions = [ |
| null, |
| 1, |
| "", |
| "Lookup", |
| "LOOKUP", |
| "lookup\0", |
| "Best fit", |
| "BEST FIT", |
| "best\u00a0fit", |
| ]; |
| |
| for (const invalidOption of invalidOptions) { |
| assert.throws(RangeError, function() { |
| Intl.Segmenter.supportedLocalesOf([], {"localeMatcher": invalidOption}); |
| }, `${invalidOption} is an invalid localeMatcher option value`); |
| } |
