Source code

Revision control

Copy as Markdown

Other Tools

// Copyright (C) 2020 André Bargull. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-intl.getcanonicallocales
description: >
A RangeError is thrown when a language tag includes an invalid transformed extension subtag.
info: |
8.2.1 Intl.getCanonicalLocales (locales)
1. Let ll be ? CanonicalizeLocaleList(locales).
2. Return CreateArrayFromList(ll).
9.2.1 CanonicalizeLocaleList (locales)
...
7. Repeat, while k < len
...
c. If kPresent is true, then
...
v. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
...
includes: [testIntl.js]
---*/
const invalid = [
// empty
"en-t",
"en-t-a",
"en-t-x",
"en-t-0",
// incomplete
"en-t-",
"en-t-en-",
"en-t-0x-",
// tlang: unicode_language_subtag must be 2-3 or 5-8 characters and mustn't
// contain extlang subtags.
"en-t-root",
"en-t-abcdefghi",
"en-t-ar-aao",
// tlang: unicode_script_subtag must be 4 alphabetical characters, can't
// be repeated.
"en-t-en-lat0",
"en-t-en-latn-latn",
// tlang: unicode_region_subtag must either be 2 alpha characters or a three
// digit code.
"en-t-en-0",
"en-t-en-00",
"en-t-en-0x",
"en-t-en-x0",
"en-t-en-latn-0",
"en-t-en-latn-00",
"en-t-en-latn-xyz",
// tlang: unicode_variant_subtag is either 5-8 alphanum characters or 4
// characters starting with a digit.
"en-t-en-abcdefghi",
"en-t-en-latn-gb-ab",
"en-t-en-latn-gb-abc",
"en-t-en-latn-gb-abcd",
"en-t-en-latn-gb-abcdefghi",
// tkey must be followed by tvalue.
"en-t-d0",
"en-t-d0-m0",
"en-t-d0-x-private",
];
for (let tag of invalid) {
// Make sure the test data is correct.
assert.sameValue(isCanonicalizedStructurallyValidLanguageTag(tag), false,
"\"" + tag + "\" isn't a structurally valid language tag.");
assert.throws(RangeError, () => Intl.getCanonicalLocales(tag), `${tag}`);
}
reportCompare(0, 0);