mirror of https://github.com/tc39/test262.git
44 lines
1.3 KiB
JavaScript
44 lines
1.3 KiB
JavaScript
// Copyright 2018 Rick Waldron. All rights reserved.
|
|
// This code is governed by the BSD license found in the LICENSE file.
|
|
|
|
/*---
|
|
esid: sec-intl.locale
|
|
description: >
|
|
Verify valid language option values (undefined)
|
|
info: |
|
|
Intl.Locale( tag [, options] )
|
|
10. If options is undefined, then
|
|
11. Else
|
|
a. Let options be ? ToObject(options).
|
|
12. Set tag to ? ApplyOptionsToTag(tag, options).
|
|
|
|
ApplyOptionsToTag( tag, options )
|
|
|
|
2. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
|
|
...
|
|
|
|
IsStructurallyValidLanguageTag ( locale )
|
|
|
|
The IsStructurallyValidLanguageTag abstract operation verifies that the
|
|
locale argument (which must be a String value)
|
|
|
|
represents a well-formed Unicode BCP 47 Locale Identifier" as specified in
|
|
Unicode Technical Standard 35 section 3.2, or successor,
|
|
|
|
features: [Intl.Locale]
|
|
---*/
|
|
|
|
assert.sameValue(
|
|
new Intl.Locale('en', {language: undefined}).toString(),
|
|
'en',
|
|
`new Intl.Locale('en', {language: undefined}).toString() returns "en"`
|
|
);
|
|
|
|
assert.sameValue(
|
|
new Intl.Locale('en-US', {language: undefined}).toString(),
|
|
'en-US',
|
|
`new Intl.Locale('en-US', {language: undefined}).toString() returns "en-US"`
|
|
);
|
|
|
|
assert.throws(RangeError, () => new Intl.Locale('en-els', {language: undefined}));
|