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// 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": ["zh"],
"CMN-hANS": ["zh-Hans", "zh"],
"cmn-hans-cn": ["zh-Hans-CN", "zh-Hans", "zh"],
"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": ["zh-Hans-CN-t-ca-u-ca-x-t-u", "zh-Hans-CN-t-ca-x-t-u", "zh-Hans-CN-t-ca-x-t", "zh-Hans-CN-t-ca", "zh-Hans-CN", "zh-Hans", "zh"],
"de-gregory-u-ca-gregory": ["de-gregory-u-ca-gregory", "de-gregory", "de-u-ca-gregory", "de"],
"sgn-GR": ["gss"],
"ji": ["yi"],
"de-DD": ["de-DE", "de"],
"in": ["id"],
};
// make sure the data above is correct
Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
canonicalizedTags[tag].forEach(function (canonicalTag) {
assert(isCanonicalizedStructurallyValidLanguageTag(canonicalTag), "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;
assert(canonicalizedTags[tag].indexOf(locale) !== -1 || locale === defaultLocale, "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]);
assert(supported.length === 0 || supported[0] === canonicalizedTags[tag][0], "For " + tag + " got " + supported[0] + "; expected " + canonicalizedTags[tag][0] + ".");
});
});
reportCompare(0, 0);
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