js/src/tests/supporting/testIntl.js

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/tests/supporting/testIntl.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,1167 @@
     1.4 +// Copyright 2011-2012 Norbert Lindenberg. All rights reserved.
     1.5 +// Copyright 2012-2013 Mozilla Corporation. All rights reserved.
     1.6 +// This code is governed by the BSD license found in the LICENSE file.
     1.7 +
     1.8 +/**
     1.9 + * This file contains shared functions for the tests in the conformance test
    1.10 + * suite for the ECMAScript Internationalization API.
    1.11 + * @author Norbert Lindenberg
    1.12 + */
    1.13 +
    1.14 +
    1.15 +/**
    1.16 + * @description Calls the provided function for every service constructor in
    1.17 + * the Intl object, until f returns a falsy value. It returns the result of the
    1.18 + * last call to f, mapped to a boolean.
    1.19 + * @param {Function} f the function to call for each service constructor in
    1.20 + *     the Intl object.
    1.21 + *     @param {Function} Constructor the constructor object to test with.
    1.22 + * @result {Boolean} whether the test succeeded.
    1.23 + */
    1.24 +function testWithIntlConstructors(f) {
    1.25 +    var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
    1.26 +    return constructors.every(function (constructor) {
    1.27 +        var Constructor = Intl[constructor];
    1.28 +        var result;
    1.29 +        try {
    1.30 +            result = f(Constructor);
    1.31 +        } catch (e) {
    1.32 +            e.message += " (Testing with " + constructor + ".)";
    1.33 +            throw e;
    1.34 +        }
    1.35 +        return result;
    1.36 +    });
    1.37 +}
    1.38 +
    1.39 +
    1.40 +/**
    1.41 + * Returns the name of the given constructor object, which must be one of
    1.42 + * Intl.Collator, Intl.NumberFormat, or Intl.DateTimeFormat.
    1.43 + * @param {object} Constructor a constructor
    1.44 + * @return {string} the name of the constructor
    1.45 + */
    1.46 +function getConstructorName(Constructor) {
    1.47 +    switch (Constructor) {
    1.48 +        case Intl.Collator:
    1.49 +            return "Collator";
    1.50 +        case Intl.NumberFormat:
    1.51 +            return "NumberFormat";
    1.52 +        case Intl.DateTimeFormat:
    1.53 +            return "DateTimeFormat";
    1.54 +        default:
    1.55 +            $ERROR("test internal error: unknown Constructor");
    1.56 +    }
    1.57 +}
    1.58 +
    1.59 +
    1.60 +/**
    1.61 + * Taints a named data property of the given object by installing
    1.62 + * a setter that throws an exception.
    1.63 + * @param {object} obj the object whose data property to taint
    1.64 + * @param {string} property the property to taint
    1.65 + */
    1.66 +function taintDataProperty(obj, property) {
    1.67 +    Object.defineProperty(obj, property, {
    1.68 +        set: function(value) {
    1.69 +            $ERROR("Client code can adversely affect behavior: setter for " + property + ".");
    1.70 +        },
    1.71 +        enumerable: false,
    1.72 +        configurable: true
    1.73 +    });
    1.74 +}
    1.75 +
    1.76 +
    1.77 +/**
    1.78 + * Taints a named method of the given object by replacing it with a function
    1.79 + * that throws an exception.
    1.80 + * @param {object} obj the object whose method to taint
    1.81 + * @param {string} property the name of the method to taint
    1.82 + */
    1.83 +function taintMethod(obj, property) {
    1.84 +    Object.defineProperty(obj, property, {
    1.85 +        value: function() {
    1.86 +            $ERROR("Client code can adversely affect behavior: method " + property + ".");
    1.87 +        },
    1.88 +        writable: true,
    1.89 +        enumerable: false,
    1.90 +        configurable: true
    1.91 +    });
    1.92 +}
    1.93 +
    1.94 +
    1.95 +/**
    1.96 + * Taints the given properties (and similarly named properties) by installing
    1.97 + * setters on Object.prototype that throw exceptions.
    1.98 + * @param {Array} properties an array of property names to taint
    1.99 + */
   1.100 +function taintProperties(properties) {
   1.101 +    properties.forEach(function (property) {
   1.102 +        var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
   1.103 +        adaptedProperties.forEach(function (property) {
   1.104 +            taintDataProperty(Object.prototype, property);
   1.105 +        });
   1.106 +    });
   1.107 +}
   1.108 +
   1.109 +
   1.110 +/**
   1.111 + * Taints the Array object by creating a setter for the property "0" and
   1.112 + * replacing some key methods with functions that throw exceptions.
   1.113 + */
   1.114 +function taintArray() {
   1.115 +    taintDataProperty(Array.prototype, "0");
   1.116 +    taintMethod(Array.prototype, "indexOf");
   1.117 +    taintMethod(Array.prototype, "join");
   1.118 +    taintMethod(Array.prototype, "push");
   1.119 +    taintMethod(Array.prototype, "slice");
   1.120 +    taintMethod(Array.prototype, "sort");
   1.121 +}
   1.122 +
   1.123 +
   1.124 +// auxiliary data for getLocaleSupportInfo
   1.125 +var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
   1.126 +var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
   1.127 +var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
   1.128 +var localeSupportInfo = {};
   1.129 +
   1.130 +
   1.131 +/**
   1.132 + * Gets locale support info for the given constructor object, which must be one
   1.133 + * of Intl.Collator, Intl.NumberFormat, Intl.DateTimeFormat.
   1.134 + * @param {object} Constructor the constructor for which to get locale support info
   1.135 + * @return {object} locale support info with the following properties:
   1.136 + *     supported: array of fully supported language tags
   1.137 + *     byFallback: array of language tags that are supported through fallbacks
   1.138 + *     unsupported: array of unsupported language tags
   1.139 + */
   1.140 +function getLocaleSupportInfo(Constructor) {
   1.141 +    var constructorName = getConstructorName(Constructor);
   1.142 +    if (localeSupportInfo[constructorName] !== undefined) {
   1.143 +        return localeSupportInfo[constructorName];
   1.144 +    }
   1.145 +
   1.146 +    var allTags = [];
   1.147 +    var i, j, k;
   1.148 +    var language, script, country;
   1.149 +    for (i = 0; i < languages.length; i++) {
   1.150 +        language = languages[i];
   1.151 +        allTags.push(language);
   1.152 +        for (j = 0; j < scripts.length; j++) {
   1.153 +            script = scripts[j];
   1.154 +            allTags.push(language + "-" + script);
   1.155 +            for (k = 0; k < countries.length; k++) {
   1.156 +                country = countries[k];
   1.157 +                allTags.push(language + "-" + script + "-" + country);
   1.158 +            }
   1.159 +        }
   1.160 +        for (k = 0; k < countries.length; k++) {
   1.161 +            country = countries[k];
   1.162 +            allTags.push(language + "-" + country);
   1.163 +        }
   1.164 +    }
   1.165 +    
   1.166 +    var supported = [];
   1.167 +    var byFallback = [];
   1.168 +    var unsupported = [];
   1.169 +    for (i = 0; i < allTags.length; i++) {
   1.170 +        var request = allTags[i];
   1.171 +        var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
   1.172 +         if (request === result) {
   1.173 +            supported.push(request);
   1.174 +        } else if (request.indexOf(result) === 0) {
   1.175 +            byFallback.push(request);
   1.176 +        } else {
   1.177 +            unsupported.push(request);
   1.178 +        }
   1.179 +    }
   1.180 +    
   1.181 +    localeSupportInfo[constructorName] = {
   1.182 +        supported: supported,
   1.183 +        byFallback: byFallback,
   1.184 +        unsupported: unsupported
   1.185 +    };
   1.186 +    
   1.187 +    return localeSupportInfo[constructorName];
   1.188 +}
   1.189 +        
   1.190 +
   1.191 +/**
   1.192 + * @description Tests whether locale is a String value representing a
   1.193 + * structurally valid and canonicalized BCP 47 language tag, as defined in
   1.194 + * sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
   1.195 + * Specification.
   1.196 + * @param {String} locale the string to be tested.
   1.197 + * @result {Boolean} whether the test succeeded.
   1.198 + */
   1.199 +function isCanonicalizedStructurallyValidLanguageTag(locale) {
   1.200 +
   1.201 +    /**
   1.202 +     * Regular expression defining BCP 47 language tags.
   1.203 +     *
   1.204 +     * Spec: RFC 5646 section 2.1.
   1.205 +     */
   1.206 +    var alpha = "[a-zA-Z]",
   1.207 +        digit = "[0-9]",
   1.208 +        alphanum = "(" + alpha + "|" + digit + ")",
   1.209 +        regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
   1.210 +        irregular = "(en-GB-oed|i-ami|i-bnn|i-default|i-enochian|i-hak|i-klingon|i-lux|i-mingo|i-navajo|i-pwn|i-tao|i-tay|i-tsu|sgn-BE-FR|sgn-BE-NL|sgn-CH-DE)",
   1.211 +        grandfathered = "(" + irregular + "|" + regular + ")",
   1.212 +        privateuse = "(x(-[a-z0-9]{1,8})+)",
   1.213 +        singleton = "(" + digit + "|[A-WY-Za-wy-z])",
   1.214 +        extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
   1.215 +        variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
   1.216 +        region = "(" + alpha + "{2}|" + digit + "{3})",
   1.217 +        script = "(" + alpha + "{4})",
   1.218 +        extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
   1.219 +        language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
   1.220 +        langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
   1.221 +        languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
   1.222 +        languageTagRE = new RegExp(languageTag, "i");
   1.223 +    var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
   1.224 +        duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
   1.225 +        duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
   1.226 +        duplicateVariantRE = new RegExp(duplicateVariant, "i");
   1.227 +
   1.228 +
   1.229 +    /**
   1.230 +     * Verifies that the given string is a well-formed BCP 47 language tag
   1.231 +     * with no duplicate variant or singleton subtags.
   1.232 +     *
   1.233 +     * Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
   1.234 +     */
   1.235 +    function isStructurallyValidLanguageTag(locale) {
   1.236 +        if (!languageTagRE.test(locale)) {
   1.237 +            return false;
   1.238 +        }
   1.239 +        locale = locale.split(/-x-/)[0];
   1.240 +        return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
   1.241 +    }
   1.242 +
   1.243 +
   1.244 +    /**
   1.245 +     * Mappings from complete tags to preferred values.
   1.246 +     *
   1.247 +     * Spec: IANA Language Subtag Registry.
   1.248 +     */
   1.249 +    var __tagMappings = {
   1.250 +        // property names must be in lower case; values in canonical form
   1.251 +
   1.252 +        // grandfathered tags from IANA language subtag registry, file date 2011-08-25
   1.253 +        "art-lojban": "jbo",
   1.254 +        "cel-gaulish": "cel-gaulish",
   1.255 +        "en-gb-oed": "en-GB-oed",
   1.256 +        "i-ami": "ami",
   1.257 +        "i-bnn": "bnn",
   1.258 +        "i-default": "i-default",
   1.259 +        "i-enochian": "i-enochian",
   1.260 +        "i-hak": "hak",
   1.261 +        "i-klingon": "tlh",
   1.262 +        "i-lux": "lb",
   1.263 +        "i-mingo": "i-mingo",
   1.264 +        "i-navajo": "nv",
   1.265 +        "i-pwn": "pwn",
   1.266 +        "i-tao": "tao",
   1.267 +        "i-tay": "tay",
   1.268 +        "i-tsu": "tsu",
   1.269 +        "no-bok": "nb",
   1.270 +        "no-nyn": "nn",
   1.271 +        "sgn-be-fr": "sfb",
   1.272 +        "sgn-be-nl": "vgt",
   1.273 +        "sgn-ch-de": "sgg",
   1.274 +        "zh-guoyu": "cmn",
   1.275 +        "zh-hakka": "hak",
   1.276 +        "zh-min": "zh-min",
   1.277 +        "zh-min-nan": "nan",
   1.278 +        "zh-xiang": "hsn",
   1.279 +        // deprecated redundant tags from IANA language subtag registry, file date 2011-08-25
   1.280 +        "sgn-br": "bzs",
   1.281 +        "sgn-co": "csn",
   1.282 +        "sgn-de": "gsg",
   1.283 +        "sgn-dk": "dsl",
   1.284 +        "sgn-es": "ssp",
   1.285 +        "sgn-fr": "fsl",
   1.286 +        "sgn-gb": "bfi",
   1.287 +        "sgn-gr": "gss",
   1.288 +        "sgn-ie": "isg",
   1.289 +        "sgn-it": "ise",
   1.290 +        "sgn-jp": "jsl",
   1.291 +        "sgn-mx": "mfs",
   1.292 +        "sgn-ni": "ncs",
   1.293 +        "sgn-nl": "dse",
   1.294 +        "sgn-no": "nsl",
   1.295 +        "sgn-pt": "psr",
   1.296 +        "sgn-se": "swl",
   1.297 +        "sgn-us": "ase",
   1.298 +        "sgn-za": "sfs",
   1.299 +        "zh-cmn": "cmn",
   1.300 +        "zh-cmn-hans": "cmn-Hans",
   1.301 +        "zh-cmn-hant": "cmn-Hant",
   1.302 +        "zh-gan": "gan",
   1.303 +        "zh-wuu": "wuu",
   1.304 +        "zh-yue": "yue",
   1.305 +        // deprecated variant with prefix from IANA language subtag registry, file date 2011-08-25
   1.306 +        "ja-latn-hepburn-heploc": "ja-Latn-alalc97"
   1.307 +    };
   1.308 +
   1.309 +
   1.310 +    /**
   1.311 +     * Mappings from non-extlang subtags to preferred values.
   1.312 +     *
   1.313 +     * Spec: IANA Language Subtag Registry.
   1.314 +     */
   1.315 +    var __subtagMappings = {
   1.316 +        // property names and values must be in canonical case
   1.317 +        // language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
   1.318 +        "in": "id",
   1.319 +        "iw": "he",
   1.320 +        "ji": "yi",
   1.321 +        "jw": "jv",
   1.322 +        "mo": "ro",
   1.323 +        "ayx": "nun",
   1.324 +        "cjr": "mom",
   1.325 +        "cmk": "xch",
   1.326 +        "drh": "khk",
   1.327 +        "drw": "prs",
   1.328 +        "gav": "dev",
   1.329 +        "mst": "mry",
   1.330 +        "myt": "mry",
   1.331 +        "tie": "ras",
   1.332 +        "tkk": "twm",
   1.333 +        "tnf": "prs",
   1.334 +        // region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
   1.335 +        "BU": "MM",
   1.336 +        "DD": "DE",
   1.337 +        "FX": "FR",
   1.338 +        "TP": "TL",
   1.339 +        "YD": "YE",
   1.340 +        "ZR": "CD"
   1.341 +    };
   1.342 +
   1.343 +
   1.344 +    /**
   1.345 +     * Mappings from extlang subtags to preferred values.
   1.346 +     *
   1.347 +     * Spec: IANA Language Subtag Registry.
   1.348 +     */
   1.349 +    var __extlangMappings = {
   1.350 +        // extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
   1.351 +        // values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
   1.352 +        "aao": ["aao", "ar"],
   1.353 +        "abh": ["abh", "ar"],
   1.354 +        "abv": ["abv", "ar"],
   1.355 +        "acm": ["acm", "ar"],
   1.356 +        "acq": ["acq", "ar"],
   1.357 +        "acw": ["acw", "ar"],
   1.358 +        "acx": ["acx", "ar"],
   1.359 +        "acy": ["acy", "ar"],
   1.360 +        "adf": ["adf", "ar"],
   1.361 +        "ads": ["ads", "sgn"],
   1.362 +        "aeb": ["aeb", "ar"],
   1.363 +        "aec": ["aec", "ar"],
   1.364 +        "aed": ["aed", "sgn"],
   1.365 +        "aen": ["aen", "sgn"],
   1.366 +        "afb": ["afb", "ar"],
   1.367 +        "afg": ["afg", "sgn"],
   1.368 +        "ajp": ["ajp", "ar"],
   1.369 +        "apc": ["apc", "ar"],
   1.370 +        "apd": ["apd", "ar"],
   1.371 +        "arb": ["arb", "ar"],
   1.372 +        "arq": ["arq", "ar"],
   1.373 +        "ars": ["ars", "ar"],
   1.374 +        "ary": ["ary", "ar"],
   1.375 +        "arz": ["arz", "ar"],
   1.376 +        "ase": ["ase", "sgn"],
   1.377 +        "asf": ["asf", "sgn"],
   1.378 +        "asp": ["asp", "sgn"],
   1.379 +        "asq": ["asq", "sgn"],
   1.380 +        "asw": ["asw", "sgn"],
   1.381 +        "auz": ["auz", "ar"],
   1.382 +        "avl": ["avl", "ar"],
   1.383 +        "ayh": ["ayh", "ar"],
   1.384 +        "ayl": ["ayl", "ar"],
   1.385 +        "ayn": ["ayn", "ar"],
   1.386 +        "ayp": ["ayp", "ar"],
   1.387 +        "bbz": ["bbz", "ar"],
   1.388 +        "bfi": ["bfi", "sgn"],
   1.389 +        "bfk": ["bfk", "sgn"],
   1.390 +        "bjn": ["bjn", "ms"],
   1.391 +        "bog": ["bog", "sgn"],
   1.392 +        "bqn": ["bqn", "sgn"],
   1.393 +        "bqy": ["bqy", "sgn"],
   1.394 +        "btj": ["btj", "ms"],
   1.395 +        "bve": ["bve", "ms"],
   1.396 +        "bvl": ["bvl", "sgn"],
   1.397 +        "bvu": ["bvu", "ms"],
   1.398 +        "bzs": ["bzs", "sgn"],
   1.399 +        "cdo": ["cdo", "zh"],
   1.400 +        "cds": ["cds", "sgn"],
   1.401 +        "cjy": ["cjy", "zh"],
   1.402 +        "cmn": ["cmn", "zh"],
   1.403 +        "coa": ["coa", "ms"],
   1.404 +        "cpx": ["cpx", "zh"],
   1.405 +        "csc": ["csc", "sgn"],
   1.406 +        "csd": ["csd", "sgn"],
   1.407 +        "cse": ["cse", "sgn"],
   1.408 +        "csf": ["csf", "sgn"],
   1.409 +        "csg": ["csg", "sgn"],
   1.410 +        "csl": ["csl", "sgn"],
   1.411 +        "csn": ["csn", "sgn"],
   1.412 +        "csq": ["csq", "sgn"],
   1.413 +        "csr": ["csr", "sgn"],
   1.414 +        "czh": ["czh", "zh"],
   1.415 +        "czo": ["czo", "zh"],
   1.416 +        "doq": ["doq", "sgn"],
   1.417 +        "dse": ["dse", "sgn"],
   1.418 +        "dsl": ["dsl", "sgn"],
   1.419 +        "dup": ["dup", "ms"],
   1.420 +        "ecs": ["ecs", "sgn"],
   1.421 +        "esl": ["esl", "sgn"],
   1.422 +        "esn": ["esn", "sgn"],
   1.423 +        "eso": ["eso", "sgn"],
   1.424 +        "eth": ["eth", "sgn"],
   1.425 +        "fcs": ["fcs", "sgn"],
   1.426 +        "fse": ["fse", "sgn"],
   1.427 +        "fsl": ["fsl", "sgn"],
   1.428 +        "fss": ["fss", "sgn"],
   1.429 +        "gan": ["gan", "zh"],
   1.430 +        "gom": ["gom", "kok"],
   1.431 +        "gse": ["gse", "sgn"],
   1.432 +        "gsg": ["gsg", "sgn"],
   1.433 +        "gsm": ["gsm", "sgn"],
   1.434 +        "gss": ["gss", "sgn"],
   1.435 +        "gus": ["gus", "sgn"],
   1.436 +        "hab": ["hab", "sgn"],
   1.437 +        "haf": ["haf", "sgn"],
   1.438 +        "hak": ["hak", "zh"],
   1.439 +        "hds": ["hds", "sgn"],
   1.440 +        "hji": ["hji", "ms"],
   1.441 +        "hks": ["hks", "sgn"],
   1.442 +        "hos": ["hos", "sgn"],
   1.443 +        "hps": ["hps", "sgn"],
   1.444 +        "hsh": ["hsh", "sgn"],
   1.445 +        "hsl": ["hsl", "sgn"],
   1.446 +        "hsn": ["hsn", "zh"],
   1.447 +        "icl": ["icl", "sgn"],
   1.448 +        "ils": ["ils", "sgn"],
   1.449 +        "inl": ["inl", "sgn"],
   1.450 +        "ins": ["ins", "sgn"],
   1.451 +        "ise": ["ise", "sgn"],
   1.452 +        "isg": ["isg", "sgn"],
   1.453 +        "isr": ["isr", "sgn"],
   1.454 +        "jak": ["jak", "ms"],
   1.455 +        "jax": ["jax", "ms"],
   1.456 +        "jcs": ["jcs", "sgn"],
   1.457 +        "jhs": ["jhs", "sgn"],
   1.458 +        "jls": ["jls", "sgn"],
   1.459 +        "jos": ["jos", "sgn"],
   1.460 +        "jsl": ["jsl", "sgn"],
   1.461 +        "jus": ["jus", "sgn"],
   1.462 +        "kgi": ["kgi", "sgn"],
   1.463 +        "knn": ["knn", "kok"],
   1.464 +        "kvb": ["kvb", "ms"],
   1.465 +        "kvk": ["kvk", "sgn"],
   1.466 +        "kvr": ["kvr", "ms"],
   1.467 +        "kxd": ["kxd", "ms"],
   1.468 +        "lbs": ["lbs", "sgn"],
   1.469 +        "lce": ["lce", "ms"],
   1.470 +        "lcf": ["lcf", "ms"],
   1.471 +        "liw": ["liw", "ms"],
   1.472 +        "lls": ["lls", "sgn"],
   1.473 +        "lsg": ["lsg", "sgn"],
   1.474 +        "lsl": ["lsl", "sgn"],
   1.475 +        "lso": ["lso", "sgn"],
   1.476 +        "lsp": ["lsp", "sgn"],
   1.477 +        "lst": ["lst", "sgn"],
   1.478 +        "lsy": ["lsy", "sgn"],
   1.479 +        "ltg": ["ltg", "lv"],
   1.480 +        "lvs": ["lvs", "lv"],
   1.481 +        "lzh": ["lzh", "zh"],
   1.482 +        "max": ["max", "ms"],
   1.483 +        "mdl": ["mdl", "sgn"],
   1.484 +        "meo": ["meo", "ms"],
   1.485 +        "mfa": ["mfa", "ms"],
   1.486 +        "mfb": ["mfb", "ms"],
   1.487 +        "mfs": ["mfs", "sgn"],
   1.488 +        "min": ["min", "ms"],
   1.489 +        "mnp": ["mnp", "zh"],
   1.490 +        "mqg": ["mqg", "ms"],
   1.491 +        "mre": ["mre", "sgn"],
   1.492 +        "msd": ["msd", "sgn"],
   1.493 +        "msi": ["msi", "ms"],
   1.494 +        "msr": ["msr", "sgn"],
   1.495 +        "mui": ["mui", "ms"],
   1.496 +        "mzc": ["mzc", "sgn"],
   1.497 +        "mzg": ["mzg", "sgn"],
   1.498 +        "mzy": ["mzy", "sgn"],
   1.499 +        "nan": ["nan", "zh"],
   1.500 +        "nbs": ["nbs", "sgn"],
   1.501 +        "ncs": ["ncs", "sgn"],
   1.502 +        "nsi": ["nsi", "sgn"],
   1.503 +        "nsl": ["nsl", "sgn"],
   1.504 +        "nsp": ["nsp", "sgn"],
   1.505 +        "nsr": ["nsr", "sgn"],
   1.506 +        "nzs": ["nzs", "sgn"],
   1.507 +        "okl": ["okl", "sgn"],
   1.508 +        "orn": ["orn", "ms"],
   1.509 +        "ors": ["ors", "ms"],
   1.510 +        "pel": ["pel", "ms"],
   1.511 +        "pga": ["pga", "ar"],
   1.512 +        "pks": ["pks", "sgn"],
   1.513 +        "prl": ["prl", "sgn"],
   1.514 +        "prz": ["prz", "sgn"],
   1.515 +        "psc": ["psc", "sgn"],
   1.516 +        "psd": ["psd", "sgn"],
   1.517 +        "pse": ["pse", "ms"],
   1.518 +        "psg": ["psg", "sgn"],
   1.519 +        "psl": ["psl", "sgn"],
   1.520 +        "pso": ["pso", "sgn"],
   1.521 +        "psp": ["psp", "sgn"],
   1.522 +        "psr": ["psr", "sgn"],
   1.523 +        "pys": ["pys", "sgn"],
   1.524 +        "rms": ["rms", "sgn"],
   1.525 +        "rsi": ["rsi", "sgn"],
   1.526 +        "rsl": ["rsl", "sgn"],
   1.527 +        "sdl": ["sdl", "sgn"],
   1.528 +        "sfb": ["sfb", "sgn"],
   1.529 +        "sfs": ["sfs", "sgn"],
   1.530 +        "sgg": ["sgg", "sgn"],
   1.531 +        "sgx": ["sgx", "sgn"],
   1.532 +        "shu": ["shu", "ar"],
   1.533 +        "slf": ["slf", "sgn"],
   1.534 +        "sls": ["sls", "sgn"],
   1.535 +        "sqs": ["sqs", "sgn"],
   1.536 +        "ssh": ["ssh", "ar"],
   1.537 +        "ssp": ["ssp", "sgn"],
   1.538 +        "ssr": ["ssr", "sgn"],
   1.539 +        "svk": ["svk", "sgn"],
   1.540 +        "swc": ["swc", "sw"],
   1.541 +        "swh": ["swh", "sw"],
   1.542 +        "swl": ["swl", "sgn"],
   1.543 +        "syy": ["syy", "sgn"],
   1.544 +        "tmw": ["tmw", "ms"],
   1.545 +        "tse": ["tse", "sgn"],
   1.546 +        "tsm": ["tsm", "sgn"],
   1.547 +        "tsq": ["tsq", "sgn"],
   1.548 +        "tss": ["tss", "sgn"],
   1.549 +        "tsy": ["tsy", "sgn"],
   1.550 +        "tza": ["tza", "sgn"],
   1.551 +        "ugn": ["ugn", "sgn"],
   1.552 +        "ugy": ["ugy", "sgn"],
   1.553 +        "ukl": ["ukl", "sgn"],
   1.554 +        "uks": ["uks", "sgn"],
   1.555 +        "urk": ["urk", "ms"],
   1.556 +        "uzn": ["uzn", "uz"],
   1.557 +        "uzs": ["uzs", "uz"],
   1.558 +        "vgt": ["vgt", "sgn"],
   1.559 +        "vkk": ["vkk", "ms"],
   1.560 +        "vkt": ["vkt", "ms"],
   1.561 +        "vsi": ["vsi", "sgn"],
   1.562 +        "vsl": ["vsl", "sgn"],
   1.563 +        "vsv": ["vsv", "sgn"],
   1.564 +        "wuu": ["wuu", "zh"],
   1.565 +        "xki": ["xki", "sgn"],
   1.566 +        "xml": ["xml", "sgn"],
   1.567 +        "xmm": ["xmm", "ms"],
   1.568 +        "xms": ["xms", "sgn"],
   1.569 +        "yds": ["yds", "sgn"],
   1.570 +        "ysl": ["ysl", "sgn"],
   1.571 +        "yue": ["yue", "zh"],
   1.572 +        "zib": ["zib", "sgn"],
   1.573 +        "zlm": ["zlm", "ms"],
   1.574 +        "zmi": ["zmi", "ms"],
   1.575 +        "zsl": ["zsl", "sgn"],
   1.576 +        "zsm": ["zsm", "ms"]
   1.577 +    };
   1.578 +
   1.579 +
   1.580 +    /**
   1.581 +     * Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
   1.582 +     *
   1.583 +     * Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
   1.584 +     * Spec: RFC 5646, section 4.5.
   1.585 +     */
   1.586 +    function canonicalizeLanguageTag(locale) {
   1.587 +
   1.588 +        // start with lower case for easier processing, and because most subtags will need to be lower case anyway
   1.589 +        locale = locale.toLowerCase();
   1.590 +
   1.591 +        // handle mappings for complete tags
   1.592 +        if (__tagMappings.hasOwnProperty(locale)) {
   1.593 +            return __tagMappings[locale];
   1.594 +        }
   1.595 +
   1.596 +        var subtags = locale.split("-");
   1.597 +        var i = 0;
   1.598 +
   1.599 +        // handle standard part: all subtags before first singleton or "x"
   1.600 +        while (i < subtags.length) {
   1.601 +            var subtag = subtags[i];
   1.602 +            if (subtag.length === 1 && (i > 0 || subtag === "x")) {
   1.603 +                break;
   1.604 +            } else if (i !== 0 && subtag.length === 2) {
   1.605 +                subtag = subtag.toUpperCase();
   1.606 +            } else if (subtag.length === 4) {
   1.607 +                subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
   1.608 +            }
   1.609 +            if (__subtagMappings.hasOwnProperty(subtag)) {
   1.610 +                subtag = __subtagMappings[subtag];
   1.611 +            } else if (__extlangMappings.hasOwnProperty(subtag)) {
   1.612 +                subtag = __extlangMappings[subtag][0];
   1.613 +                if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
   1.614 +                    subtags.shift();
   1.615 +                    i--;
   1.616 +                }
   1.617 +            }
   1.618 +            subtags[i] = subtag;
   1.619 +            i++;
   1.620 +        }
   1.621 +        var normal = subtags.slice(0, i).join("-");
   1.622 +
   1.623 +        // handle extensions
   1.624 +        var extensions = [];
   1.625 +        while (i < subtags.length && subtags[i] !== "x") {
   1.626 +            var extensionStart = i;
   1.627 +            i++;
   1.628 +            while (i < subtags.length && subtags[i].length > 1) {
   1.629 +                i++;
   1.630 +            }
   1.631 +            var extension = subtags.slice(extensionStart, i).join("-");
   1.632 +            extensions.push(extension);
   1.633 +        }
   1.634 +        extensions.sort();
   1.635 +
   1.636 +        // handle private use
   1.637 +        var privateUse;
   1.638 +        if (i < subtags.length) {
   1.639 +            privateUse = subtags.slice(i).join("-");
   1.640 +        }
   1.641 +
   1.642 +        // put everything back together
   1.643 +        var canonical = normal;
   1.644 +        if (extensions.length > 0) {
   1.645 +            canonical += "-" + extensions.join("-");
   1.646 +        }
   1.647 +        if (privateUse !== undefined) {
   1.648 +            if (canonical.length > 0) {
   1.649 +                canonical += "-" + privateUse;
   1.650 +            } else {
   1.651 +                canonical = privateUse;
   1.652 +            }
   1.653 +        }
   1.654 +
   1.655 +        return canonical;
   1.656 +    }
   1.657 +
   1.658 +    return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
   1.659 +            canonicalizeLanguageTag(locale) === locale;
   1.660 +}
   1.661 +
   1.662 +
   1.663 +/**
   1.664 + * Tests whether the named options property is correctly handled by the given constructor.
   1.665 + * @param {object} Constructor the constructor to test.
   1.666 + * @param {string} property the name of the options property to test.
   1.667 + * @param {string} type the type that values of the property are expected to have
   1.668 + * @param {Array} [values] an array of allowed values for the property. Not needed for boolean.
   1.669 + * @param {any} fallback the fallback value that the property assumes if not provided.
   1.670 + * @param {object} testOptions additional options:
   1.671 + *     @param {boolean} isOptional whether support for this property is optional for implementations.
   1.672 + *     @param {boolean} noReturn whether the resulting value of the property is not returned.
   1.673 + *     @param {boolean} isILD whether the resulting value of the property is implementation and locale dependent.
   1.674 + *     @param {object} extra additional option to pass along, properties are value -> {option: value}.
   1.675 + * @return {boolean} whether the test succeeded.
   1.676 + */
   1.677 +function testOption(Constructor, property, type, values, fallback, testOptions) {
   1.678 +    var isOptional = testOptions !== undefined && testOptions.isOptional === true;
   1.679 +    var noReturn = testOptions !== undefined && testOptions.noReturn === true;
   1.680 +    var isILD = testOptions !== undefined && testOptions.isILD === true;
   1.681 +    
   1.682 +    function addExtraOptions(options, value, testOptions) {
   1.683 +        if (testOptions !== undefined && testOptions.extra !== undefined) {
   1.684 +            var extra;
   1.685 +            if (value !== undefined && testOptions.extra[value] !== undefined) {
   1.686 +                extra = testOptions.extra[value];
   1.687 +            } else if (testOptions.extra.any !== undefined) {
   1.688 +                extra = testOptions.extra.any;
   1.689 +            }
   1.690 +            if (extra !== undefined) {
   1.691 +                Object.getOwnPropertyNames(extra).forEach(function (prop) {
   1.692 +                    options[prop] = extra[prop];
   1.693 +                });
   1.694 +            }
   1.695 +        }
   1.696 +    }
   1.697 +
   1.698 +    var testValues, options, obj, expected, actual, error;
   1.699 +
   1.700 +    // test that the specified values are accepted. Also add values that convert to specified values.
   1.701 +    if (type === "boolean") {
   1.702 +        if (values === undefined) {
   1.703 +            values = [true, false];
   1.704 +        }
   1.705 +        testValues = values.slice(0);
   1.706 +        testValues.push(888);
   1.707 +        testValues.push(0);
   1.708 +    } else if (type === "string") {
   1.709 +        testValues = values.slice(0);
   1.710 +        testValues.push({toString: function () { return values[0]; }});
   1.711 +    }
   1.712 +    testValues.forEach(function (value) {
   1.713 +        options = {};
   1.714 +        options[property] = value;
   1.715 +        addExtraOptions(options, value, testOptions);
   1.716 +        obj = new Constructor(undefined, options);
   1.717 +        if (noReturn) {
   1.718 +            if (obj.resolvedOptions().hasOwnProperty(property)) {
   1.719 +                $ERROR("Option property " + property + " is returned, but shouldn't be.");
   1.720 +            }
   1.721 +        } else {
   1.722 +            actual = obj.resolvedOptions()[property];
   1.723 +            if (isILD) {
   1.724 +                if (actual !== undefined && values.indexOf(actual) === -1) {
   1.725 +                    $ERROR("Invalid value " + actual + " returned for property " + property + ".");
   1.726 +                }
   1.727 +            } else {
   1.728 +                if (type === "boolean") {
   1.729 +                    expected = Boolean(value);
   1.730 +                } else if (type === "string") {
   1.731 +                    expected = String(value);
   1.732 +                }
   1.733 +                if (actual !== expected && !(isOptional && actual === undefined)) {
   1.734 +                    $ERROR("Option value " + value + " for property " + property +
   1.735 +                        " was not accepted; got " + actual + " instead.");
   1.736 +                }
   1.737 +            }
   1.738 +        }
   1.739 +    });
   1.740 +
   1.741 +    // test that invalid values are rejected
   1.742 +    if (type === "string") {
   1.743 +        var invalidValues = ["invalidValue", -1, null];
   1.744 +        // assume that we won't have values in caseless scripts
   1.745 +        if (values[0].toUpperCase() !== values[0]) {
   1.746 +            invalidValues.push(values[0].toUpperCase());
   1.747 +        } else {
   1.748 +            invalidValues.push(values[0].toLowerCase());
   1.749 +        }
   1.750 +        invalidValues.forEach(function (value) {
   1.751 +            options = {};
   1.752 +            options[property] = value;
   1.753 +            addExtraOptions(options, value, testOptions);
   1.754 +            error = undefined;
   1.755 +            try {
   1.756 +                obj = new Constructor(undefined, options);
   1.757 +            } catch (e) {
   1.758 +                error = e;
   1.759 +            }
   1.760 +            if (error === undefined) {
   1.761 +                $ERROR("Invalid option value " + value + " for property " + property + " was not rejected.");
   1.762 +            } else if (error.name !== "RangeError") {
   1.763 +                $ERROR("Invalid option value " + value + " for property " + property + " was rejected with wrong error " + error.name + ".");
   1.764 +            }
   1.765 +        });
   1.766 +    }
   1.767 +
   1.768 +    // test that fallback value or another valid value is used if no options value is provided
   1.769 +    if (!noReturn) {
   1.770 +        options = {};
   1.771 +        addExtraOptions(options, undefined, testOptions);
   1.772 +        obj = new Constructor(undefined, options);
   1.773 +        actual = obj.resolvedOptions()[property];
   1.774 +        if (!(isOptional && actual === undefined)) {
   1.775 +            if (fallback !== undefined) {
   1.776 +                if (actual !== fallback) {
   1.777 +                    $ERROR("Option fallback value " + fallback + " for property " + property +
   1.778 +                        " was not used; got " + actual + " instead.");
   1.779 +                }
   1.780 +            } else {
   1.781 +                if (values.indexOf(actual) === -1 && !(isILD && actual === undefined)) {
   1.782 +                    $ERROR("Invalid value " + actual + " returned for property " + property + ".");
   1.783 +                }
   1.784 +            }
   1.785 +        }
   1.786 +    }
   1.787 +
   1.788 +    return true;
   1.789 +}
   1.790 +
   1.791 +
   1.792 +/**
   1.793 + * Tests whether the named property of the given object has a valid value
   1.794 + * and the default attributes of the properties of an object literal.
   1.795 + * @param {Object} obj the object to be tested.
   1.796 + * @param {string} property the name of the property
   1.797 + * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
   1.798 + *     an array of valid values.
   1.799 + * @exception if the property has an invalid value.
   1.800 + */
   1.801 +function testProperty(obj, property, valid) {
   1.802 +    var desc = Object.getOwnPropertyDescriptor(obj, property);
   1.803 +    if (!desc.writable) {
   1.804 +        $ERROR("Property " + property + " must be writable.");
   1.805 +    }
   1.806 +    if (!desc.enumerable) {
   1.807 +        $ERROR("Property " + property + " must be enumerable.");
   1.808 +    }
   1.809 +    if (!desc.configurable) {
   1.810 +        $ERROR("Property " + property + " must be configurable.");
   1.811 +    }
   1.812 +    var value = desc.value;
   1.813 +    var isValid = (typeof valid === "function") ? valid(value) : (valid.indexOf(value) !== -1);
   1.814 +    if (!isValid) {
   1.815 +        $ERROR("Property value " + value + " is not allowed for property " + property + ".");
   1.816 +    }
   1.817 +}
   1.818 +
   1.819 +
   1.820 +/**
   1.821 + * Tests whether the named property of the given object, if present at all, has a valid value
   1.822 + * and the default attributes of the properties of an object literal.
   1.823 + * @param {Object} obj the object to be tested.
   1.824 + * @param {string} property the name of the property
   1.825 + * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
   1.826 + *     an array of valid values.
   1.827 + * @exception if the property is present and has an invalid value.
   1.828 + */
   1.829 +function mayHaveProperty(obj, property, valid) {
   1.830 +    if (obj.hasOwnProperty(property)) {
   1.831 +        testProperty(obj, property, valid);
   1.832 +    }
   1.833 +}
   1.834 +
   1.835 +
   1.836 +/**
   1.837 + * Tests whether the given object has the named property with a valid value
   1.838 + * and the default attributes of the properties of an object literal.
   1.839 + * @param {Object} obj the object to be tested.
   1.840 + * @param {string} property the name of the property
   1.841 + * @param {Function|Array} valid either a function that tests value for validity and returns a boolean,
   1.842 + *     an array of valid values.
   1.843 + * @exception if the property is missing or has an invalid value.
   1.844 + */
   1.845 +function mustHaveProperty(obj, property, valid) {
   1.846 +    if (!obj.hasOwnProperty(property)) {
   1.847 +        $ERROR("Object is missing property " + property + ".");
   1.848 +    }
   1.849 +    testProperty(obj, property, valid);
   1.850 +}
   1.851 +
   1.852 +
   1.853 +/**
   1.854 + * Tests whether the given object does not have the named property.
   1.855 + * @param {Object} obj the object to be tested.
   1.856 + * @param {string} property the name of the property
   1.857 + * @exception if the property is present.
   1.858 + */
   1.859 +function mustNotHaveProperty(obj, property) {
   1.860 +    if (obj.hasOwnProperty(property)) {
   1.861 +        $ERROR("Object has property it mustn't have: " + property + ".");
   1.862 +    }
   1.863 +}
   1.864 +
   1.865 +
   1.866 +/**
   1.867 + * Properties of the RegExp constructor that may be affected by use of regular
   1.868 + * expressions, and the default values of these properties. Properties are from
   1.869 + * https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Deprecated_and_obsolete_features#RegExp_Properties
   1.870 + */
   1.871 +var regExpProperties = ["$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
   1.872 +    "$_", "$*", "$&", "$+", "$`", "$'",
   1.873 +    "input", "lastMatch", "lastParen", "leftContext", "rightContext"
   1.874 +];
   1.875 +
   1.876 +var regExpPropertiesDefaultValues = (function () {
   1.877 +    var values = Object.create(null);
   1.878 +    regExpProperties.forEach(function (property) {
   1.879 +        values[property] = RegExp[property];
   1.880 +    });
   1.881 +    return values;
   1.882 +}());
   1.883 +
   1.884 +
   1.885 +/**
   1.886 + * Tests that executing the provided function (which may use regular expressions
   1.887 + * in its implementation) does not create or modify unwanted properties on the
   1.888 + * RegExp constructor.
   1.889 + */
   1.890 +function testForUnwantedRegExpChanges(testFunc) {
   1.891 +    regExpProperties.forEach(function (property) {
   1.892 +        RegExp[property] = regExpPropertiesDefaultValues[property];
   1.893 +    });
   1.894 +    testFunc();
   1.895 +    regExpProperties.forEach(function (property) {
   1.896 +        if (RegExp[property] !== regExpPropertiesDefaultValues[property]) {
   1.897 +            $ERROR("RegExp has unexpected property " + property + " with value " +
   1.898 +                RegExp[property] + ".");
   1.899 +        }
   1.900 +    });
   1.901 +}
   1.902 +
   1.903 +
   1.904 +/**
   1.905 + * Tests whether name is a valid BCP 47 numbering system name
   1.906 + * and not excluded from use in the ECMAScript Internationalization API.
   1.907 + * @param {string} name the name to be tested.
   1.908 + * @return {boolean} whether name is a valid BCP 47 numbering system name and
   1.909 + *     allowed for use in the ECMAScript Internationalization API.
   1.910 + */
   1.911 +
   1.912 +function isValidNumberingSystem(name) {
   1.913 +    
   1.914 +    // source: CLDR file common/bcp47/number.xml; version CLDR 21.
   1.915 +    var numberingSystems = [
   1.916 +        "arab",
   1.917 +        "arabext",
   1.918 +        "armn",
   1.919 +        "armnlow",
   1.920 +        "bali",
   1.921 +        "beng",
   1.922 +        "brah",
   1.923 +        "cakm",
   1.924 +        "cham",
   1.925 +        "deva",
   1.926 +        "ethi",
   1.927 +        "finance",
   1.928 +        "fullwide",
   1.929 +        "geor",
   1.930 +        "grek",
   1.931 +        "greklow",
   1.932 +        "gujr",
   1.933 +        "guru",
   1.934 +        "hanidec",
   1.935 +        "hans",
   1.936 +        "hansfin",
   1.937 +        "hant",
   1.938 +        "hantfin",
   1.939 +        "hebr",
   1.940 +        "java",
   1.941 +        "jpan",
   1.942 +        "jpanfin",
   1.943 +        "kali",
   1.944 +        "khmr",
   1.945 +        "knda",
   1.946 +        "osma",            
   1.947 +        "lana",
   1.948 +        "lanatham",
   1.949 +        "laoo",
   1.950 +        "latn",
   1.951 +        "lepc",
   1.952 +        "limb",
   1.953 +        "mlym",
   1.954 +        "mong",
   1.955 +        "mtei",
   1.956 +        "mymr",
   1.957 +        "mymrshan",
   1.958 +        "native",
   1.959 +        "nkoo",
   1.960 +        "olck",
   1.961 +        "orya",
   1.962 +        "roman",
   1.963 +        "romanlow",
   1.964 +        "saur",
   1.965 +        "shrd",
   1.966 +        "sora",
   1.967 +        "sund",
   1.968 +        "talu",
   1.969 +        "takr",
   1.970 +        "taml",
   1.971 +        "tamldec",
   1.972 +        "telu",
   1.973 +        "thai",
   1.974 +        "tibt",
   1.975 +        "traditio",
   1.976 +        "vaii"
   1.977 +    ];
   1.978 +    
   1.979 +    var excluded = [
   1.980 +        "finance",
   1.981 +        "native",
   1.982 +        "traditio"
   1.983 +    ];
   1.984 +        
   1.985 +    
   1.986 +    return numberingSystems.indexOf(name) !== -1 && excluded.indexOf(name) === -1;
   1.987 +}
   1.988 +
   1.989 +
   1.990 +/**
   1.991 + * Provides the digits of numbering systems with simple digit mappings,
   1.992 + * as specified in 11.3.2.
   1.993 + */
   1.994 +
   1.995 +var numberingSystemDigits = {
   1.996 +    arab: "٠١٢٣٤٥٦٧٨٩",
   1.997 +    arabext: "۰۱۲۳۴۵۶۷۸۹",
   1.998 +    beng: "০১২৩৪৫৬৭৮৯",
   1.999 +    deva: "०१२३४५६७८९",
  1.1000 +    fullwide: "0123456789",
  1.1001 +    gujr: "૦૧૨૩૪૫૬૭૮૯",
  1.1002 +    guru: "੦੧੨੩੪੫੬੭੮੯",
  1.1003 +    hanidec: "〇一二三四五六七八九",
  1.1004 +    khmr: "០១២៣៤៥៦៧៨៩",
  1.1005 +    knda: "೦೧೨೩೪೫೬೭೮೯",
  1.1006 +    laoo: "໐໑໒໓໔໕໖໗໘໙",
  1.1007 +    latn: "0123456789",
  1.1008 +    mlym: "൦൧൨൩൪൫൬൭൮൯",
  1.1009 +    mong: "᠐᠑᠒᠓᠔᠕᠖᠗᠘᠙",
  1.1010 +    mymr: "၀၁၂၃၄၅၆၇၈၉",
  1.1011 +    orya: "୦୧୨୩୪୫୬୭୮୯",
  1.1012 +    tamldec: "௦௧௨௩௪௫௬௭௮௯",
  1.1013 +    telu: "౦౧౨౩౪౫౬౭౮౯",
  1.1014 +    thai: "๐๑๒๓๔๕๖๗๘๙",
  1.1015 +    tibt: "༠༡༢༣༤༥༦༧༨༩"
  1.1016 +};
  1.1017 +
  1.1018 +
  1.1019 +/**
  1.1020 + * Tests that number formatting is handled correctly. The function checks that the
  1.1021 + * digit sequences in formatted output are as specified, converted to the
  1.1022 + * selected numbering system, and embedded in consistent localized patterns.
  1.1023 + * @param {Array} locales the locales to be tested.
  1.1024 + * @param {Array} numberingSystems the numbering systems to be tested.
  1.1025 + * @param {Object} options the options to pass to Intl.NumberFormat. Options
  1.1026 + *     must include {useGrouping: false}, and must cause 1.1 to be formatted
  1.1027 + *     pre- and post-decimal digits.
  1.1028 + * @param {Object} testData maps input data (in ES5 9.3.1 format) to expected output strings
  1.1029 + *     in unlocalized format with Western digits.
  1.1030 + */
  1.1031 +
  1.1032 +function testNumberFormat(locales, numberingSystems, options, testData) {
  1.1033 +    locales.forEach(function (locale) {
  1.1034 +        numberingSystems.forEach(function (numbering) {
  1.1035 +            var digits = numberingSystemDigits[numbering];
  1.1036 +            var format = new Intl.NumberFormat([locale + "-u-nu-" + numbering], options);
  1.1037 +    
  1.1038 +            function getPatternParts(positive) {
  1.1039 +                var n = positive ? 1.1 : -1.1;
  1.1040 +                var formatted = format.format(n);
  1.1041 +                var oneoneRE = "([^" + digits + "]*)[" + digits + "]+([^" + digits + "]+)[" + digits + "]+([^" + digits + "]*)";
  1.1042 +                var match = formatted.match(new RegExp(oneoneRE));
  1.1043 +                if (match === null) {
  1.1044 +                    $ERROR("Unexpected formatted " + n + " for " +
  1.1045 +                        format.resolvedOptions().locale + " and options " +
  1.1046 +                        JSON.stringify(options) + ": " + formatted);
  1.1047 +                }
  1.1048 +                return match;
  1.1049 +            }
  1.1050 +            
  1.1051 +            function toNumbering(raw) {
  1.1052 +                return raw.replace(/[0-9]/g, function (digit) {
  1.1053 +                    return digits[digit.charCodeAt(0) - "0".charCodeAt(0)];
  1.1054 +                });
  1.1055 +            }
  1.1056 +            
  1.1057 +            function buildExpected(raw, patternParts) {
  1.1058 +                var period = raw.indexOf(".");
  1.1059 +                if (period === -1) {
  1.1060 +                    return patternParts[1] + toNumbering(raw) + patternParts[3];
  1.1061 +                } else {
  1.1062 +                    return patternParts[1] + 
  1.1063 +                        toNumbering(raw.substring(0, period)) +
  1.1064 +                        patternParts[2] +
  1.1065 +                        toNumbering(raw.substring(period + 1)) +
  1.1066 +                        patternParts[3];
  1.1067 +                }
  1.1068 +            }
  1.1069 +            
  1.1070 +            if (format.resolvedOptions().numberingSystem === numbering) {
  1.1071 +                // figure out prefixes, infixes, suffixes for positive and negative values
  1.1072 +                var posPatternParts = getPatternParts(true);
  1.1073 +                var negPatternParts = getPatternParts(false);
  1.1074 +                
  1.1075 +                Object.getOwnPropertyNames(testData).forEach(function (input) {
  1.1076 +                    var rawExpected = testData[input];
  1.1077 +                    var patternParts;
  1.1078 +                    if (rawExpected[0] === "-") {
  1.1079 +                        patternParts = negPatternParts;
  1.1080 +                        rawExpected = rawExpected.substring(1);
  1.1081 +                    } else {
  1.1082 +                        patternParts = posPatternParts;
  1.1083 +                    }
  1.1084 +                    var expected = buildExpected(rawExpected, patternParts);
  1.1085 +                    var actual = format.format(input);
  1.1086 +                    if (actual !== expected) {
  1.1087 +                        $ERROR("Formatted value for " + input + ", " +
  1.1088 +                        format.resolvedOptions().locale + " and options " +
  1.1089 +                        JSON.stringify(options) + " is " + actual + "; expected " + expected + ".");
  1.1090 +                    }
  1.1091 +                });
  1.1092 +            }
  1.1093 +        });
  1.1094 +    });
  1.1095 +}
  1.1096 +
  1.1097 +
  1.1098 +/**
  1.1099 + * Return the components of date-time formats.
  1.1100 + * @return {Array} an array with all date-time components.
  1.1101 + */
  1.1102 +
  1.1103 +function getDateTimeComponents() {
  1.1104 +    return ["weekday", "era", "year", "month", "day", "hour", "minute", "second", "timeZoneName"];
  1.1105 +}
  1.1106 +
  1.1107 +
  1.1108 +/**
  1.1109 + * Return the valid values for the given date-time component, as specified
  1.1110 + * by the table in section 12.1.1.
  1.1111 + * @param {string} component a date-time component.
  1.1112 + * @return {Array} an array with the valid values for the component.
  1.1113 + */
  1.1114 +
  1.1115 +function getDateTimeComponentValues(component) {
  1.1116 +    
  1.1117 +    var components = {
  1.1118 +        weekday: ["narrow", "short", "long"],
  1.1119 +        era: ["narrow", "short", "long"],
  1.1120 +        year: ["2-digit", "numeric"],
  1.1121 +        month: ["2-digit", "numeric", "narrow", "short", "long"],
  1.1122 +        day: ["2-digit", "numeric"],
  1.1123 +        hour: ["2-digit", "numeric"],
  1.1124 +        minute: ["2-digit", "numeric"],
  1.1125 +        second: ["2-digit", "numeric"],
  1.1126 +        timeZoneName: ["short", "long"]
  1.1127 +    };
  1.1128 +    
  1.1129 +    var result = components[component];
  1.1130 +    if (result === undefined) {
  1.1131 +        $ERROR("Internal error: No values defined for date-time component " + component + ".");
  1.1132 +    }
  1.1133 +    return result;
  1.1134 +}
  1.1135 +
  1.1136 +
  1.1137 +/**
  1.1138 + * Tests that the given value is valid for the given date-time component.
  1.1139 + * @param {string} component a date-time component.
  1.1140 + * @param {string} value the value to be tested.
  1.1141 + * @return {boolean} true if the test succeeds.
  1.1142 + * @exception if the test fails.
  1.1143 + */
  1.1144 +
  1.1145 +function testValidDateTimeComponentValue(component, value) {
  1.1146 +    if (getDateTimeComponentValues(component).indexOf(value) === -1) {
  1.1147 +        $ERROR("Invalid value " + value + " for date-time component " + component + ".");
  1.1148 +    }
  1.1149 +    return true;
  1.1150 +}
  1.1151 +
  1.1152 +
  1.1153 +/**
  1.1154 + * Verifies that the actual array matches the expected one in length, elements,
  1.1155 + * and element order.
  1.1156 + * @param {Array} expected the expected array.
  1.1157 + * @param {Array} actual the actual array.
  1.1158 + * @return {boolean} true if the test succeeds.
  1.1159 + * @exception if the test fails.
  1.1160 + */
  1.1161 +function testArraysAreSame(expected, actual) {
  1.1162 +    for (i = 0; i < Math.max(actual.length, expected.length); i++) {
  1.1163 +        if (actual[i] !== expected[i]) {
  1.1164 +            $ERROR("Result array element at index " + i + " should be \"" +
  1.1165 +                expected[i] + "\" but is \"" + actual[i] + "\".");
  1.1166 +        }
  1.1167 +    }
  1.1168 +    return true;
  1.1169 +}
  1.1170 +

mercurial