mirror of https://github.com/tc39/test262.git
67 lines
2.1 KiB
JavaScript
67 lines
2.1 KiB
JavaScript
// Copyright 2018 André Bargull; Igalia, S.L. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-intl.locale
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description: >
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Verify valid language option values (various)
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info: |
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Intl.Locale( tag [, options] )
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10. If options is undefined, then
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11. Else
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a. Let options be ? ToObject(options).
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12. Set tag to ? ApplyOptionsToTag(tag, options).
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ApplyOptionsToTag( tag, options )
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...
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2. If IsStructurallyValidLanguageTag(tag) is false, throw a RangeError exception.
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3. Let language be ? GetOption(options, "language", "string", undefined, undefined).
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4. If language is not undefined, then
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a. If language does not match the unicode_language_subtag production, throw a RangeError exception.
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IsStructurallyValidLanguageTag ( locale )
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The IsStructurallyValidLanguageTag abstract operation verifies that the
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locale argument (which must be a String value)
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represents a well-formed Unicode BCP 47 Locale Identifier" as specified in
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Unicode Technical Standard 35 section 3.2, or successor,
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features: [Intl.Locale]
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---*/
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const validLanguageOptions = [
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[{ toString() { return 'de' } }, 'de'],
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];
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for (const [language, expected] of validLanguageOptions) {
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let expect = expected || 'en';
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assert.sameValue(
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new Intl.Locale('en', {language}).toString(),
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expect,
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`new Intl.Locale('en', {language: "${language}"}).toString() returns "${expect}"`
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);
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expect = (expected || 'en') + '-US';
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assert.sameValue(
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new Intl.Locale('en-US', {language}).toString(),
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expect,
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`new Intl.Locale('en-US', {language: "${language}"}).toString() returns "${expect}"`
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);
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assert.throws(RangeError, () => new Intl.Locale('en-els', {language}));
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}
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const invalidLanguageOptions = [
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null,
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'zh-cmn',
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'ZH-CMN',
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'abcd',
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];
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for (const language of invalidLanguageOptions) {
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assert.throws(RangeError, () => new Intl.Locale('en', {language}));
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assert.throws(RangeError, () => new Intl.Locale('en-US', {language}));
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assert.throws(RangeError, () => new Intl.Locale('en-els', {language}));
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}
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