test262/test/intl402/6.2.3.js

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JavaScript

// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es5id: 6.2.3
description: Tests that language tags are canonicalized in return values.
author: Norbert Lindenberg
includes: [testIntl.js]
---*/
var canonicalizedTags = {
"de": ["de"],
"de-DE": ["de-DE", "de"],
"DE-de": ["de-DE", "de"],
"cmn": ["cmn"],
"CMN-hANS": ["cmn-Hans", "cmn"],
"cmn-hans-cn": ["cmn-Hans-CN", "cmn-Hans", "cmn"],
"es-419": ["es-419", "es"],
"es-419-u-nu-latn": ["es-419-u-nu-latn", "es-419", "es", "es-u-nu-latn"],
// -u-ca is incomplete, so it will not show up in resolvedOptions().locale
"cmn-hans-cn-u-ca-t-ca-x-t-u": ["cmn-Hans-CN-t-ca-u-ca-x-t-u", "cmn-Hans-CN-t-ca-x-t-u", "cmn-Hans-CN-t-ca-x-t", "cmn-Hans-CN-t-ca", "cmn-Hans-CN", "cmn-Hans", "cmn"],
"de-gregory-u-ca-gregory": ["de-gregory-u-ca-gregory", "de-gregory", "de-u-ca-gregory", "de"],
"no-nyn": ["nn"],
"i-klingon": ["tlh"],
"sgn-GR": ["gss"],
"ji": ["yi"],
"de-DD": ["de-DE", "de"],
"zh-hak-CN": ["hak-CN", "hak"],
"sgn-ils": ["ils"],
"in": ["id"],
"x-foo": ["x-foo"]
};
// make sure the data above is correct
Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
canonicalizedTags[tag].forEach(function (canonicalTag) {
if (!isCanonicalizedStructurallyValidLanguageTag(canonicalTag)) {
$ERROR("Test data \"" + canonicalTag + "\" is not canonicalized and structurally valid language tag.");
}
});
});
// now the actual test
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
// use lookup locale matcher to keep the set of possible return values predictable
// Variant 1: construct an object and see whether its locale is canonicalized.
// In this variant, shortened forms or the default locale may be returned
var object = new Constructor([tag], {localeMatcher: "lookup"});
var locale = object.resolvedOptions().locale;
if (canonicalizedTags[tag].indexOf(locale) === -1 && locale !== defaultLocale) {
$ERROR("For " + tag + " got " + locale + "; expected one of " +
canonicalizedTags[tag].join(", ") + ".");
}
// Variant 2: get the supported locales. If the tag is supported, it should be returned canonicalized but unshortened
var supported = Constructor.supportedLocalesOf([tag]);
if (supported.length > 0 && supported[0] !== canonicalizedTags[tag][0]) {
$ERROR("For " + tag + " got " + supported[0] + "; expected " +
canonicalizedTags[tag][0] + ".");
}
});
return true;
});