mirror of https://github.com/tc39/test262.git
60 lines
2.7 KiB
JavaScript
60 lines
2.7 KiB
JavaScript
// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
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// Copyright 2012 Mozilla Corporation. 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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es5id: 6.2.3
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description: Tests that language tags are canonicalized in return values.
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author: Norbert Lindenberg
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includes: [testIntl.js]
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---*/
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var canonicalizedTags = {
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"de": ["de"],
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"de-DE": ["de-DE", "de"],
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"DE-de": ["de-DE", "de"],
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"cmn": ["cmn"],
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"CMN-hANS": ["cmn-Hans", "cmn"],
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"cmn-hans-cn": ["cmn-Hans-CN", "cmn-Hans", "cmn"],
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"es-419": ["es-419", "es"],
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"es-419-u-nu-latn": ["es-419-u-nu-latn", "es-419", "es", "es-u-nu-latn"],
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// -u-ca is incomplete, so it will not show up in resolvedOptions().locale
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"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"],
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"de-gregory-u-ca-gregory": ["de-gregory-u-ca-gregory", "de-gregory", "de-u-ca-gregory", "de"],
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"no-nyn": ["nn"],
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"i-klingon": ["tlh"],
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"sgn-GR": ["gss"],
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"ji": ["yi"],
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"de-DD": ["de-DE", "de"],
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"zh-hak-CN": ["hak-CN", "hak"],
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"sgn-ils": ["ils"],
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"in": ["id"],
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"x-foo": ["x-foo"]
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};
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// make sure the data above is correct
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Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
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canonicalizedTags[tag].forEach(function (canonicalTag) {
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assert(isCanonicalizedStructurallyValidLanguageTag(canonicalTag), "Test data \"" + canonicalTag + "\" is not canonicalized and structurally valid language tag.");
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});
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});
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// now the actual test
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testWithIntlConstructors(function (Constructor) {
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var defaultLocale = new Constructor().resolvedOptions().locale;
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Object.getOwnPropertyNames(canonicalizedTags).forEach(function (tag) {
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// use lookup locale matcher to keep the set of possible return values predictable
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// Variant 1: construct an object and see whether its locale is canonicalized.
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// In this variant, shortened forms or the default locale may be returned
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var object = new Constructor([tag], {localeMatcher: "lookup"});
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var locale = object.resolvedOptions().locale;
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assert(canonicalizedTags[tag].indexOf(locale) !== -1 || locale === defaultLocale, "For " + tag + " got " + locale + "; expected one of " + canonicalizedTags[tag].join(", ") + ".");
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// Variant 2: get the supported locales. If the tag is supported, it should be returned canonicalized but unshortened
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var supported = Constructor.supportedLocalesOf([tag]);
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assert(supported.length === 0 || supported[0] === canonicalizedTags[tag][0], "For " + tag + " got " + supported[0] + "; expected " + canonicalizedTags[tag][0] + ".");
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});
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return true;
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});
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