| // Copyright 2018 André Bargull; Igalia, S.L. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| esid: sec-intl.locale |
| description: > |
| Verifies treatment of specific structurally invalid tags. |
| info: | |
| ApplyOptionsToTag( tag, options ) |
| 2. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception. |
| features: [Intl.Locale] |
| ---*/ |
| |
| const invalidLanguageTags = [ |
| // Unicode extension sequence is incomplete. |
| "da-u", |
| "da-u-", |
| "da-u--", |
| "da-u-t-latn", |
| "da-u-x-priv", |
| |
| // Duplicate 'u' singleton. |
| "da-u-ca-gregory-u-ca-buddhist" |
| ]; |
| |
| for (const langtag of invalidLanguageTags) { |
| assert.throws(RangeError, function() { |
| new Intl.Locale(langtag) |
| }, |
| `new Intl.Locale("${langtag}") throws RangeError`); |
| } |