Added new tests for chapters 6 and 9 of ECMAScript Internationalization API Specification.

- Removed a few old test cases that were redundant with new, more comprehensive ones.
- Added testIntl.js as standard include for all console tests in test262.py – see related bug 574.
- Added .jshintrc file for settings for the JSHint tool.
This commit is contained in:
Norbert Lindenberg 2012-08-26 20:49:25 -07:00
parent 8cad7d03ce
commit 1af2425075
38 changed files with 2928 additions and 58 deletions

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.jshintrc Normal file
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{
"predef": ["$ERROR", "Intl"]
}

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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.
/**
* This file contains shared functions for the tests in the conformance test
* suite for the ECMAScript Internationalization API.
* @author Norbert Lindenberg
*/
/**
* @description Calls the provided function for every service constructor in
* the Intl object, until f returns a falsy value. It returns the result of the
* last call to f, mapped to a boolean.
* @param {Function} f the function to call for each service constructor in
* the Intl object.
* @param {Function} Constructor the constructor object to test with.
* @result {Boolean} whether the test succeeded.
*/
function testWithIntlConstructors(f) {
var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
return constructors.every(function (constructor) {
var Constructor = Intl[constructor];
var result;
try {
result = f(Constructor);
} catch (e) {
e.message += " (Testing with " + constructor + ".)";
throw e;
}
return result;
});
}
/**
* Returns the name of the given constructor object, which must be one of
* Intl.Collator, Intl.NumberFormat, or Intl.DateTimeFormat.
* @param {object} Constructor a constructor
* @return {string} the name of the constructor
*/
function getConstructorName(Constructor) {
switch (Constructor) {
case Intl.Collator:
return "Collator";
case Intl.NumberFormat:
return "NumberFormat";
case Intl.DateTimeFormat:
return "DateTimeFormat";
default:
$ERROR("test internal error: unknown Constructor");
}
}
/**
* Taints a named data property of the given object by installing
* a setter that throws an exception.
* @param {object} obj the object whose data property to taint
* @param {string} property the property to taint
*/
function taintDataProperty(obj, property) {
Object.defineProperty(obj, property, {
set: function(value) {
$ERROR("Client code can adversely affect behavior: setter for " + property + ".");
},
enumerable: false,
configurable: true
});
}
/**
* Taints a named method of the given object by replacing it with a function
* that throws an exception.
* @param {object} obj the object whose method to taint
* @param {string} property the name of the method to taint
*/
function taintMethod(obj, property) {
Object.defineProperty(obj, property, {
value: function() {
$ERROR("Client code can adversely affect behavior: method " + property + ".");
},
writable: true,
enumerable: false,
configurable: true
});
}
/**
* Taints the given properties (and similarly named properties) by installing
* setters on Object.prototype that throw exceptions.
* @param {Array} properties an array of property names to taint
*/
function taintProperties(properties) {
properties.forEach(function (property) {
var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
adaptedProperties.forEach(function (property) {
taintDataProperty(Object.prototype, property);
});
});
}
/**
* Taints the Array object by creating a setter for the property "0" and
* replacing some key methods with functions that throw exceptions.
*/
function taintArray() {
taintDataProperty(Array.prototype, "0");
taintMethod(Array.prototype, "indexOf");
taintMethod(Array.prototype, "join");
taintMethod(Array.prototype, "push");
taintMethod(Array.prototype, "slice");
taintMethod(Array.prototype, "sort");
}
// auxiliary data for getLocaleSupportInfo
var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
var localeSupportInfo = {};
/**
* Gets locale support info for the given constructor object, which must be one
* of Intl.Collator, Intl.NumberFormat, Intl.DateTimeFormat.
* @param {object} Constructor the constructor for which to get locale support info
* @return {object} locale support info with the following properties:
* supported: array of fully supported language tags
* byFallback: array of language tags that are supported through fallbacks
* unsupported: array of unsupported language tags
*/
function getLocaleSupportInfo(Constructor) {
var constructorName = getConstructorName(Constructor);
if (localeSupportInfo[constructorName] !== undefined) {
return localeSupportInfo[constructorName];
}
var allTags = [];
var i, j, k;
var language, script, country;
for (i = 0; i < languages.length; i++) {
language = languages[i];
allTags.push(language);
for (j = 0; j < scripts.length; j++) {
script = scripts[j];
allTags.push(language + "-" + script);
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + script + "-" + country);
}
}
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + country);
}
}
var supported = [];
var byFallback = [];
var unsupported = [];
for (i = 0; i < allTags.length; i++) {
var request = allTags[i];
var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
if (request === result) {
supported.push(request);
} else if (request.indexOf(result) === 0) {
byFallback.push(request);
} else {
unsupported.push(request);
}
}
localeSupportInfo[constructorName] = {
supported: supported,
byFallback: byFallback,
unsupported: unsupported
};
return localeSupportInfo[constructorName];
}
/**
* @description Tests whether locale is a String value representing a
* structurally valid and canonicalized BCP 47 language tag, as defined in
* sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
* Specification.
* @param {String} locale the string to be tested.
* @result {Boolean} whether the test succeeded.
*/
function isCanonicalizedStructurallyValidLanguageTag(locale) {
/**
* Regular expression defining BCP 47 language tags.
*
* Spec: RFC 5646 section 2.1.
*/
var alpha = "[a-zA-Z]",
digit = "[0-9]",
alphanum = "(" + alpha + "|" + digit + ")",
regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
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)",
grandfathered = "(" + irregular + "|" + regular + ")",
privateuse = "(x(-[a-z0-9]{1,8})+)",
singleton = "(" + digit + "|[A-WY-Za-wy-z])",
extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
region = "(" + alpha + "{2}|" + digit + "{3})",
script = "(" + alpha + "{4})",
extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
languageTagRE = new RegExp(languageTag, "i");
var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
duplicateVariantRE = new RegExp(duplicateVariant, "i");
/**
* Verifies that the given string is a well-formed BCP 47 language tag
* with no duplicate variant or singleton subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
*/
function isStructurallyValidLanguageTag(locale) {
if (!languageTagRE.test(locale)) {
return false;
}
locale = locale.split(/-x-/)[0];
return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
}
/**
* Mappings from complete tags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __tagMappings = {
// property names must be in lower case; values in canonical form
// grandfathered tags from IANA language subtag registry, file date 2011-08-25
"art-lojban": "jbo",
"cel-gaulish": "cel-gaulish",
"en-gb-oed": "en-GB-oed",
"i-ami": "ami",
"i-bnn": "bnn",
"i-default": "i-default",
"i-enochian": "i-enochian",
"i-hak": "hak",
"i-klingon": "tlh",
"i-lux": "lb",
"i-mingo": "i-mingo",
"i-navajo": "nv",
"i-pwn": "pwn",
"i-tao": "tao",
"i-tay": "tay",
"i-tsu": "tsu",
"no-bok": "nb",
"no-nyn": "nn",
"sgn-be-fr": "sfb",
"sgn-be-nl": "vgt",
"sgn-ch-de": "sgg",
"zh-guoyu": "cmn",
"zh-hakka": "hak",
"zh-min": "zh-min",
"zh-min-nan": "nan",
"zh-xiang": "hsn",
// deprecated redundant tags from IANA language subtag registry, file date 2011-08-25
"sgn-br": "bzs",
"sgn-co": "csn",
"sgn-de": "gsg",
"sgn-dk": "dsl",
"sgn-es": "ssp",
"sgn-fr": "fsl",
"sgn-gb": "bfi",
"sgn-gr": "gss",
"sgn-ie": "isg",
"sgn-it": "ise",
"sgn-jp": "jsl",
"sgn-mx": "mfs",
"sgn-ni": "ncs",
"sgn-nl": "dse",
"sgn-no": "nsl",
"sgn-pt": "psr",
"sgn-se": "swl",
"sgn-us": "ase",
"sgn-za": "sfs",
"zh-cmn": "cmn",
"zh-cmn-hans": "cmn-Hans",
"zh-cmn-hant": "cmn-Hant",
"zh-gan": "gan",
"zh-wuu": "wuu",
"zh-yue": "yue",
// deprecated variant with prefix from IANA language subtag registry, file date 2011-08-25
"ja-latn-hepburn-heploc": "ja-Latn-alalc97"
};
/**
* Mappings from non-extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __subtagMappings = {
// property names and values must be in canonical case
// language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"in": "id",
"iw": "he",
"ji": "yi",
"jw": "jv",
"mo": "ro",
"ayx": "nun",
"cjr": "mom",
"cmk": "xch",
"drh": "khk",
"drw": "prs",
"gav": "dev",
"mst": "mry",
"myt": "mry",
"tie": "ras",
"tkk": "twm",
"tnf": "prs",
// region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"BU": "MM",
"DD": "DE",
"FX": "FR",
"TP": "TL",
"YD": "YE",
"ZR": "CD"
};
/**
* Mappings from extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __extlangMappings = {
// extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
// values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
"aao": ["aao", "ar"],
"abh": ["abh", "ar"],
"abv": ["abv", "ar"],
"acm": ["acm", "ar"],
"acq": ["acq", "ar"],
"acw": ["acw", "ar"],
"acx": ["acx", "ar"],
"acy": ["acy", "ar"],
"adf": ["adf", "ar"],
"ads": ["ads", "sgn"],
"aeb": ["aeb", "ar"],
"aec": ["aec", "ar"],
"aed": ["aed", "sgn"],
"aen": ["aen", "sgn"],
"afb": ["afb", "ar"],
"afg": ["afg", "sgn"],
"ajp": ["ajp", "ar"],
"apc": ["apc", "ar"],
"apd": ["apd", "ar"],
"arb": ["arb", "ar"],
"arq": ["arq", "ar"],
"ars": ["ars", "ar"],
"ary": ["ary", "ar"],
"arz": ["arz", "ar"],
"ase": ["ase", "sgn"],
"asf": ["asf", "sgn"],
"asp": ["asp", "sgn"],
"asq": ["asq", "sgn"],
"asw": ["asw", "sgn"],
"auz": ["auz", "ar"],
"avl": ["avl", "ar"],
"ayh": ["ayh", "ar"],
"ayl": ["ayl", "ar"],
"ayn": ["ayn", "ar"],
"ayp": ["ayp", "ar"],
"bbz": ["bbz", "ar"],
"bfi": ["bfi", "sgn"],
"bfk": ["bfk", "sgn"],
"bjn": ["bjn", "ms"],
"bog": ["bog", "sgn"],
"bqn": ["bqn", "sgn"],
"bqy": ["bqy", "sgn"],
"btj": ["btj", "ms"],
"bve": ["bve", "ms"],
"bvl": ["bvl", "sgn"],
"bvu": ["bvu", "ms"],
"bzs": ["bzs", "sgn"],
"cdo": ["cdo", "zh"],
"cds": ["cds", "sgn"],
"cjy": ["cjy", "zh"],
"cmn": ["cmn", "zh"],
"coa": ["coa", "ms"],
"cpx": ["cpx", "zh"],
"csc": ["csc", "sgn"],
"csd": ["csd", "sgn"],
"cse": ["cse", "sgn"],
"csf": ["csf", "sgn"],
"csg": ["csg", "sgn"],
"csl": ["csl", "sgn"],
"csn": ["csn", "sgn"],
"csq": ["csq", "sgn"],
"csr": ["csr", "sgn"],
"czh": ["czh", "zh"],
"czo": ["czo", "zh"],
"doq": ["doq", "sgn"],
"dse": ["dse", "sgn"],
"dsl": ["dsl", "sgn"],
"dup": ["dup", "ms"],
"ecs": ["ecs", "sgn"],
"esl": ["esl", "sgn"],
"esn": ["esn", "sgn"],
"eso": ["eso", "sgn"],
"eth": ["eth", "sgn"],
"fcs": ["fcs", "sgn"],
"fse": ["fse", "sgn"],
"fsl": ["fsl", "sgn"],
"fss": ["fss", "sgn"],
"gan": ["gan", "zh"],
"gom": ["gom", "kok"],
"gse": ["gse", "sgn"],
"gsg": ["gsg", "sgn"],
"gsm": ["gsm", "sgn"],
"gss": ["gss", "sgn"],
"gus": ["gus", "sgn"],
"hab": ["hab", "sgn"],
"haf": ["haf", "sgn"],
"hak": ["hak", "zh"],
"hds": ["hds", "sgn"],
"hji": ["hji", "ms"],
"hks": ["hks", "sgn"],
"hos": ["hos", "sgn"],
"hps": ["hps", "sgn"],
"hsh": ["hsh", "sgn"],
"hsl": ["hsl", "sgn"],
"hsn": ["hsn", "zh"],
"icl": ["icl", "sgn"],
"ils": ["ils", "sgn"],
"inl": ["inl", "sgn"],
"ins": ["ins", "sgn"],
"ise": ["ise", "sgn"],
"isg": ["isg", "sgn"],
"isr": ["isr", "sgn"],
"jak": ["jak", "ms"],
"jax": ["jax", "ms"],
"jcs": ["jcs", "sgn"],
"jhs": ["jhs", "sgn"],
"jls": ["jls", "sgn"],
"jos": ["jos", "sgn"],
"jsl": ["jsl", "sgn"],
"jus": ["jus", "sgn"],
"kgi": ["kgi", "sgn"],
"knn": ["knn", "kok"],
"kvb": ["kvb", "ms"],
"kvk": ["kvk", "sgn"],
"kvr": ["kvr", "ms"],
"kxd": ["kxd", "ms"],
"lbs": ["lbs", "sgn"],
"lce": ["lce", "ms"],
"lcf": ["lcf", "ms"],
"liw": ["liw", "ms"],
"lls": ["lls", "sgn"],
"lsg": ["lsg", "sgn"],
"lsl": ["lsl", "sgn"],
"lso": ["lso", "sgn"],
"lsp": ["lsp", "sgn"],
"lst": ["lst", "sgn"],
"lsy": ["lsy", "sgn"],
"ltg": ["ltg", "lv"],
"lvs": ["lvs", "lv"],
"lzh": ["lzh", "zh"],
"max": ["max", "ms"],
"mdl": ["mdl", "sgn"],
"meo": ["meo", "ms"],
"mfa": ["mfa", "ms"],
"mfb": ["mfb", "ms"],
"mfs": ["mfs", "sgn"],
"min": ["min", "ms"],
"mnp": ["mnp", "zh"],
"mqg": ["mqg", "ms"],
"mre": ["mre", "sgn"],
"msd": ["msd", "sgn"],
"msi": ["msi", "ms"],
"msr": ["msr", "sgn"],
"mui": ["mui", "ms"],
"mzc": ["mzc", "sgn"],
"mzg": ["mzg", "sgn"],
"mzy": ["mzy", "sgn"],
"nan": ["nan", "zh"],
"nbs": ["nbs", "sgn"],
"ncs": ["ncs", "sgn"],
"nsi": ["nsi", "sgn"],
"nsl": ["nsl", "sgn"],
"nsp": ["nsp", "sgn"],
"nsr": ["nsr", "sgn"],
"nzs": ["nzs", "sgn"],
"okl": ["okl", "sgn"],
"orn": ["orn", "ms"],
"ors": ["ors", "ms"],
"pel": ["pel", "ms"],
"pga": ["pga", "ar"],
"pks": ["pks", "sgn"],
"prl": ["prl", "sgn"],
"prz": ["prz", "sgn"],
"psc": ["psc", "sgn"],
"psd": ["psd", "sgn"],
"pse": ["pse", "ms"],
"psg": ["psg", "sgn"],
"psl": ["psl", "sgn"],
"pso": ["pso", "sgn"],
"psp": ["psp", "sgn"],
"psr": ["psr", "sgn"],
"pys": ["pys", "sgn"],
"rms": ["rms", "sgn"],
"rsi": ["rsi", "sgn"],
"rsl": ["rsl", "sgn"],
"sdl": ["sdl", "sgn"],
"sfb": ["sfb", "sgn"],
"sfs": ["sfs", "sgn"],
"sgg": ["sgg", "sgn"],
"sgx": ["sgx", "sgn"],
"shu": ["shu", "ar"],
"slf": ["slf", "sgn"],
"sls": ["sls", "sgn"],
"sqs": ["sqs", "sgn"],
"ssh": ["ssh", "ar"],
"ssp": ["ssp", "sgn"],
"ssr": ["ssr", "sgn"],
"svk": ["svk", "sgn"],
"swc": ["swc", "sw"],
"swh": ["swh", "sw"],
"swl": ["swl", "sgn"],
"syy": ["syy", "sgn"],
"tmw": ["tmw", "ms"],
"tse": ["tse", "sgn"],
"tsm": ["tsm", "sgn"],
"tsq": ["tsq", "sgn"],
"tss": ["tss", "sgn"],
"tsy": ["tsy", "sgn"],
"tza": ["tza", "sgn"],
"ugn": ["ugn", "sgn"],
"ugy": ["ugy", "sgn"],
"ukl": ["ukl", "sgn"],
"uks": ["uks", "sgn"],
"urk": ["urk", "ms"],
"uzn": ["uzn", "uz"],
"uzs": ["uzs", "uz"],
"vgt": ["vgt", "sgn"],
"vkk": ["vkk", "ms"],
"vkt": ["vkt", "ms"],
"vsi": ["vsi", "sgn"],
"vsl": ["vsl", "sgn"],
"vsv": ["vsv", "sgn"],
"wuu": ["wuu", "zh"],
"xki": ["xki", "sgn"],
"xml": ["xml", "sgn"],
"xmm": ["xmm", "ms"],
"xms": ["xms", "sgn"],
"yds": ["yds", "sgn"],
"ysl": ["ysl", "sgn"],
"yue": ["yue", "zh"],
"zib": ["zib", "sgn"],
"zlm": ["zlm", "ms"],
"zmi": ["zmi", "ms"],
"zsl": ["zsl", "sgn"],
"zsm": ["zsm", "ms"]
};
/**
* Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
* Spec: RFC 5646, section 4.5.
*/
function canonicalizeLanguageTag(locale) {
// start with lower case for easier processing, and because most subtags will need to be lower case anyway
locale = locale.toLowerCase();
// handle mappings for complete tags
if (__tagMappings.hasOwnProperty(locale)) {
return __tagMappings[locale];
}
var subtags = locale.split("-");
var i = 0;
// handle standard part: all subtags before first singleton or "x"
while (i < subtags.length) {
var subtag = subtags[i];
if (subtag.length === 1 && (i > 0 || subtag === "x")) {
break;
} else if (i !== 0 && subtag.length === 2) {
subtag = subtag.toUpperCase();
} else if (subtag.length === 4) {
subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
}
if (__subtagMappings.hasOwnProperty(subtag)) {
subtag = __subtagMappings[subtag];
} else if (__extlangMappings.hasOwnProperty(subtag)) {
subtag = __extlangMappings[subtag][0];
if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
subtags.shift();
i--;
}
}
subtags[i] = subtag;
i++;
}
var normal = subtags.slice(0, i).join("-");
// handle extensions
var extensions = [];
while (i < subtags.length && subtags[i] !== "x") {
var extensionStart = i;
i++;
while (i < subtags.length && subtags[i].length > 1) {
i++;
}
var extension = subtags.slice(extensionStart, i).join("-");
extensions.push(extension);
}
extensions.sort();
// handle private use
var privateUse;
if (i < subtags.length) {
privateUse = subtags.slice(i).join("-");
}
// put everything back together
var canonical = normal;
if (extensions.length > 0) {
canonical += "-" + extensions.join("-");
}
if (privateUse !== undefined) {
if (canonical.length > 0) {
canonical += "-" + privateUse;
} else {
canonical = privateUse;
}
}
return canonical;
}
return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
canonicalizeLanguageTag(locale) === locale;
}

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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.
/**
* This file contains shared functions for the tests in the conformance test
* suite for the ECMAScript Internationalization API.
* @author Norbert Lindenberg
*/
/**
* @description Calls the provided function for every service constructor in
* the Intl object, until f returns a falsy value. It returns the result of the
* last call to f, mapped to a boolean.
* @param {Function} f the function to call for each service constructor in
* the Intl object.
* @param {Function} Constructor the constructor object to test with.
* @result {Boolean} whether the test succeeded.
*/
function testWithIntlConstructors(f) {
var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
return constructors.every(function (constructor) {
var Constructor = Intl[constructor];
var result;
try {
result = f(Constructor);
} catch (e) {
e.message += " (Testing with " + constructor + ".)";
throw e;
}
return result;
});
}
/**
* Returns the name of the given constructor object, which must be one of
* Intl.Collator, Intl.NumberFormat, or Intl.DateTimeFormat.
* @param {object} Constructor a constructor
* @return {string} the name of the constructor
*/
function getConstructorName(Constructor) {
switch (Constructor) {
case Intl.Collator:
return "Collator";
case Intl.NumberFormat:
return "NumberFormat";
case Intl.DateTimeFormat:
return "DateTimeFormat";
default:
$ERROR("test internal error: unknown Constructor");
}
}
/**
* Taints a named data property of the given object by installing
* a setter that throws an exception.
* @param {object} obj the object whose data property to taint
* @param {string} property the property to taint
*/
function taintDataProperty(obj, property) {
Object.defineProperty(obj, property, {
set: function(value) {
$ERROR("Client code can adversely affect behavior: setter for " + property + ".");
},
enumerable: false,
configurable: true
});
}
/**
* Taints a named method of the given object by replacing it with a function
* that throws an exception.
* @param {object} obj the object whose method to taint
* @param {string} property the name of the method to taint
*/
function taintMethod(obj, property) {
Object.defineProperty(obj, property, {
value: function() {
$ERROR("Client code can adversely affect behavior: method " + property + ".");
},
writable: true,
enumerable: false,
configurable: true
});
}
/**
* Taints the given properties (and similarly named properties) by installing
* setters on Object.prototype that throw exceptions.
* @param {Array} properties an array of property names to taint
*/
function taintProperties(properties) {
properties.forEach(function (property) {
var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
adaptedProperties.forEach(function (property) {
taintDataProperty(Object.prototype, property);
});
});
}
/**
* Taints the Array object by creating a setter for the property "0" and
* replacing some key methods with functions that throw exceptions.
*/
function taintArray() {
taintDataProperty(Array.prototype, "0");
taintMethod(Array.prototype, "indexOf");
taintMethod(Array.prototype, "join");
taintMethod(Array.prototype, "push");
taintMethod(Array.prototype, "slice");
taintMethod(Array.prototype, "sort");
}
// auxiliary data for getLocaleSupportInfo
var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
var localeSupportInfo = {};
/**
* Gets locale support info for the given constructor object, which must be one
* of Intl.Collator, Intl.NumberFormat, Intl.DateTimeFormat.
* @param {object} Constructor the constructor for which to get locale support info
* @return {object} locale support info with the following properties:
* supported: array of fully supported language tags
* byFallback: array of language tags that are supported through fallbacks
* unsupported: array of unsupported language tags
*/
function getLocaleSupportInfo(Constructor) {
var constructorName = getConstructorName(Constructor);
if (localeSupportInfo[constructorName] !== undefined) {
return localeSupportInfo[constructorName];
}
var allTags = [];
var i, j, k;
var language, script, country;
for (i = 0; i < languages.length; i++) {
language = languages[i];
allTags.push(language);
for (j = 0; j < scripts.length; j++) {
script = scripts[j];
allTags.push(language + "-" + script);
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + script + "-" + country);
}
}
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + country);
}
}
var supported = [];
var byFallback = [];
var unsupported = [];
for (i = 0; i < allTags.length; i++) {
var request = allTags[i];
var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
if (request === result) {
supported.push(request);
} else if (request.indexOf(result) === 0) {
byFallback.push(request);
} else {
unsupported.push(request);
}
}
localeSupportInfo[constructorName] = {
supported: supported,
byFallback: byFallback,
unsupported: unsupported
};
return localeSupportInfo[constructorName];
}
/**
* @description Tests whether locale is a String value representing a
* structurally valid and canonicalized BCP 47 language tag, as defined in
* sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
* Specification.
* @param {String} locale the string to be tested.
* @result {Boolean} whether the test succeeded.
*/
function isCanonicalizedStructurallyValidLanguageTag(locale) {
/**
* Regular expression defining BCP 47 language tags.
*
* Spec: RFC 5646 section 2.1.
*/
var alpha = "[a-zA-Z]",
digit = "[0-9]",
alphanum = "(" + alpha + "|" + digit + ")",
regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
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)",
grandfathered = "(" + irregular + "|" + regular + ")",
privateuse = "(x(-[a-z0-9]{1,8})+)",
singleton = "(" + digit + "|[A-WY-Za-wy-z])",
extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
region = "(" + alpha + "{2}|" + digit + "{3})",
script = "(" + alpha + "{4})",
extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
languageTagRE = new RegExp(languageTag, "i");
var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
duplicateVariantRE = new RegExp(duplicateVariant, "i");
/**
* Verifies that the given string is a well-formed BCP 47 language tag
* with no duplicate variant or singleton subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
*/
function isStructurallyValidLanguageTag(locale) {
if (!languageTagRE.test(locale)) {
return false;
}
locale = locale.split(/-x-/)[0];
return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
}
/**
* Mappings from complete tags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __tagMappings = {
// property names must be in lower case; values in canonical form
// grandfathered tags from IANA language subtag registry, file date 2011-08-25
"art-lojban": "jbo",
"cel-gaulish": "cel-gaulish",
"en-gb-oed": "en-GB-oed",
"i-ami": "ami",
"i-bnn": "bnn",
"i-default": "i-default",
"i-enochian": "i-enochian",
"i-hak": "hak",
"i-klingon": "tlh",
"i-lux": "lb",
"i-mingo": "i-mingo",
"i-navajo": "nv",
"i-pwn": "pwn",
"i-tao": "tao",
"i-tay": "tay",
"i-tsu": "tsu",
"no-bok": "nb",
"no-nyn": "nn",
"sgn-be-fr": "sfb",
"sgn-be-nl": "vgt",
"sgn-ch-de": "sgg",
"zh-guoyu": "cmn",
"zh-hakka": "hak",
"zh-min": "zh-min",
"zh-min-nan": "nan",
"zh-xiang": "hsn",
// deprecated redundant tags from IANA language subtag registry, file date 2011-08-25
"sgn-br": "bzs",
"sgn-co": "csn",
"sgn-de": "gsg",
"sgn-dk": "dsl",
"sgn-es": "ssp",
"sgn-fr": "fsl",
"sgn-gb": "bfi",
"sgn-gr": "gss",
"sgn-ie": "isg",
"sgn-it": "ise",
"sgn-jp": "jsl",
"sgn-mx": "mfs",
"sgn-ni": "ncs",
"sgn-nl": "dse",
"sgn-no": "nsl",
"sgn-pt": "psr",
"sgn-se": "swl",
"sgn-us": "ase",
"sgn-za": "sfs",
"zh-cmn": "cmn",
"zh-cmn-hans": "cmn-Hans",
"zh-cmn-hant": "cmn-Hant",
"zh-gan": "gan",
"zh-wuu": "wuu",
"zh-yue": "yue",
// deprecated variant with prefix from IANA language subtag registry, file date 2011-08-25
"ja-latn-hepburn-heploc": "ja-Latn-alalc97"
};
/**
* Mappings from non-extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __subtagMappings = {
// property names and values must be in canonical case
// language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"in": "id",
"iw": "he",
"ji": "yi",
"jw": "jv",
"mo": "ro",
"ayx": "nun",
"cjr": "mom",
"cmk": "xch",
"drh": "khk",
"drw": "prs",
"gav": "dev",
"mst": "mry",
"myt": "mry",
"tie": "ras",
"tkk": "twm",
"tnf": "prs",
// region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"BU": "MM",
"DD": "DE",
"FX": "FR",
"TP": "TL",
"YD": "YE",
"ZR": "CD"
};
/**
* Mappings from extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __extlangMappings = {
// extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
// values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
"aao": ["aao", "ar"],
"abh": ["abh", "ar"],
"abv": ["abv", "ar"],
"acm": ["acm", "ar"],
"acq": ["acq", "ar"],
"acw": ["acw", "ar"],
"acx": ["acx", "ar"],
"acy": ["acy", "ar"],
"adf": ["adf", "ar"],
"ads": ["ads", "sgn"],
"aeb": ["aeb", "ar"],
"aec": ["aec", "ar"],
"aed": ["aed", "sgn"],
"aen": ["aen", "sgn"],
"afb": ["afb", "ar"],
"afg": ["afg", "sgn"],
"ajp": ["ajp", "ar"],
"apc": ["apc", "ar"],
"apd": ["apd", "ar"],
"arb": ["arb", "ar"],
"arq": ["arq", "ar"],
"ars": ["ars", "ar"],
"ary": ["ary", "ar"],
"arz": ["arz", "ar"],
"ase": ["ase", "sgn"],
"asf": ["asf", "sgn"],
"asp": ["asp", "sgn"],
"asq": ["asq", "sgn"],
"asw": ["asw", "sgn"],
"auz": ["auz", "ar"],
"avl": ["avl", "ar"],
"ayh": ["ayh", "ar"],
"ayl": ["ayl", "ar"],
"ayn": ["ayn", "ar"],
"ayp": ["ayp", "ar"],
"bbz": ["bbz", "ar"],
"bfi": ["bfi", "sgn"],
"bfk": ["bfk", "sgn"],
"bjn": ["bjn", "ms"],
"bog": ["bog", "sgn"],
"bqn": ["bqn", "sgn"],
"bqy": ["bqy", "sgn"],
"btj": ["btj", "ms"],
"bve": ["bve", "ms"],
"bvl": ["bvl", "sgn"],
"bvu": ["bvu", "ms"],
"bzs": ["bzs", "sgn"],
"cdo": ["cdo", "zh"],
"cds": ["cds", "sgn"],
"cjy": ["cjy", "zh"],
"cmn": ["cmn", "zh"],
"coa": ["coa", "ms"],
"cpx": ["cpx", "zh"],
"csc": ["csc", "sgn"],
"csd": ["csd", "sgn"],
"cse": ["cse", "sgn"],
"csf": ["csf", "sgn"],
"csg": ["csg", "sgn"],
"csl": ["csl", "sgn"],
"csn": ["csn", "sgn"],
"csq": ["csq", "sgn"],
"csr": ["csr", "sgn"],
"czh": ["czh", "zh"],
"czo": ["czo", "zh"],
"doq": ["doq", "sgn"],
"dse": ["dse", "sgn"],
"dsl": ["dsl", "sgn"],
"dup": ["dup", "ms"],
"ecs": ["ecs", "sgn"],
"esl": ["esl", "sgn"],
"esn": ["esn", "sgn"],
"eso": ["eso", "sgn"],
"eth": ["eth", "sgn"],
"fcs": ["fcs", "sgn"],
"fse": ["fse", "sgn"],
"fsl": ["fsl", "sgn"],
"fss": ["fss", "sgn"],
"gan": ["gan", "zh"],
"gom": ["gom", "kok"],
"gse": ["gse", "sgn"],
"gsg": ["gsg", "sgn"],
"gsm": ["gsm", "sgn"],
"gss": ["gss", "sgn"],
"gus": ["gus", "sgn"],
"hab": ["hab", "sgn"],
"haf": ["haf", "sgn"],
"hak": ["hak", "zh"],
"hds": ["hds", "sgn"],
"hji": ["hji", "ms"],
"hks": ["hks", "sgn"],
"hos": ["hos", "sgn"],
"hps": ["hps", "sgn"],
"hsh": ["hsh", "sgn"],
"hsl": ["hsl", "sgn"],
"hsn": ["hsn", "zh"],
"icl": ["icl", "sgn"],
"ils": ["ils", "sgn"],
"inl": ["inl", "sgn"],
"ins": ["ins", "sgn"],
"ise": ["ise", "sgn"],
"isg": ["isg", "sgn"],
"isr": ["isr", "sgn"],
"jak": ["jak", "ms"],
"jax": ["jax", "ms"],
"jcs": ["jcs", "sgn"],
"jhs": ["jhs", "sgn"],
"jls": ["jls", "sgn"],
"jos": ["jos", "sgn"],
"jsl": ["jsl", "sgn"],
"jus": ["jus", "sgn"],
"kgi": ["kgi", "sgn"],
"knn": ["knn", "kok"],
"kvb": ["kvb", "ms"],
"kvk": ["kvk", "sgn"],
"kvr": ["kvr", "ms"],
"kxd": ["kxd", "ms"],
"lbs": ["lbs", "sgn"],
"lce": ["lce", "ms"],
"lcf": ["lcf", "ms"],
"liw": ["liw", "ms"],
"lls": ["lls", "sgn"],
"lsg": ["lsg", "sgn"],
"lsl": ["lsl", "sgn"],
"lso": ["lso", "sgn"],
"lsp": ["lsp", "sgn"],
"lst": ["lst", "sgn"],
"lsy": ["lsy", "sgn"],
"ltg": ["ltg", "lv"],
"lvs": ["lvs", "lv"],
"lzh": ["lzh", "zh"],
"max": ["max", "ms"],
"mdl": ["mdl", "sgn"],
"meo": ["meo", "ms"],
"mfa": ["mfa", "ms"],
"mfb": ["mfb", "ms"],
"mfs": ["mfs", "sgn"],
"min": ["min", "ms"],
"mnp": ["mnp", "zh"],
"mqg": ["mqg", "ms"],
"mre": ["mre", "sgn"],
"msd": ["msd", "sgn"],
"msi": ["msi", "ms"],
"msr": ["msr", "sgn"],
"mui": ["mui", "ms"],
"mzc": ["mzc", "sgn"],
"mzg": ["mzg", "sgn"],
"mzy": ["mzy", "sgn"],
"nan": ["nan", "zh"],
"nbs": ["nbs", "sgn"],
"ncs": ["ncs", "sgn"],
"nsi": ["nsi", "sgn"],
"nsl": ["nsl", "sgn"],
"nsp": ["nsp", "sgn"],
"nsr": ["nsr", "sgn"],
"nzs": ["nzs", "sgn"],
"okl": ["okl", "sgn"],
"orn": ["orn", "ms"],
"ors": ["ors", "ms"],
"pel": ["pel", "ms"],
"pga": ["pga", "ar"],
"pks": ["pks", "sgn"],
"prl": ["prl", "sgn"],
"prz": ["prz", "sgn"],
"psc": ["psc", "sgn"],
"psd": ["psd", "sgn"],
"pse": ["pse", "ms"],
"psg": ["psg", "sgn"],
"psl": ["psl", "sgn"],
"pso": ["pso", "sgn"],
"psp": ["psp", "sgn"],
"psr": ["psr", "sgn"],
"pys": ["pys", "sgn"],
"rms": ["rms", "sgn"],
"rsi": ["rsi", "sgn"],
"rsl": ["rsl", "sgn"],
"sdl": ["sdl", "sgn"],
"sfb": ["sfb", "sgn"],
"sfs": ["sfs", "sgn"],
"sgg": ["sgg", "sgn"],
"sgx": ["sgx", "sgn"],
"shu": ["shu", "ar"],
"slf": ["slf", "sgn"],
"sls": ["sls", "sgn"],
"sqs": ["sqs", "sgn"],
"ssh": ["ssh", "ar"],
"ssp": ["ssp", "sgn"],
"ssr": ["ssr", "sgn"],
"svk": ["svk", "sgn"],
"swc": ["swc", "sw"],
"swh": ["swh", "sw"],
"swl": ["swl", "sgn"],
"syy": ["syy", "sgn"],
"tmw": ["tmw", "ms"],
"tse": ["tse", "sgn"],
"tsm": ["tsm", "sgn"],
"tsq": ["tsq", "sgn"],
"tss": ["tss", "sgn"],
"tsy": ["tsy", "sgn"],
"tza": ["tza", "sgn"],
"ugn": ["ugn", "sgn"],
"ugy": ["ugy", "sgn"],
"ukl": ["ukl", "sgn"],
"uks": ["uks", "sgn"],
"urk": ["urk", "ms"],
"uzn": ["uzn", "uz"],
"uzs": ["uzs", "uz"],
"vgt": ["vgt", "sgn"],
"vkk": ["vkk", "ms"],
"vkt": ["vkt", "ms"],
"vsi": ["vsi", "sgn"],
"vsl": ["vsl", "sgn"],
"vsv": ["vsv", "sgn"],
"wuu": ["wuu", "zh"],
"xki": ["xki", "sgn"],
"xml": ["xml", "sgn"],
"xmm": ["xmm", "ms"],
"xms": ["xms", "sgn"],
"yds": ["yds", "sgn"],
"ysl": ["ysl", "sgn"],
"yue": ["yue", "zh"],
"zib": ["zib", "sgn"],
"zlm": ["zlm", "ms"],
"zmi": ["zmi", "ms"],
"zsl": ["zsl", "sgn"],
"zsm": ["zsm", "ms"]
};
/**
* Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
* Spec: RFC 5646, section 4.5.
*/
function canonicalizeLanguageTag(locale) {
// start with lower case for easier processing, and because most subtags will need to be lower case anyway
locale = locale.toLowerCase();
// handle mappings for complete tags
if (__tagMappings.hasOwnProperty(locale)) {
return __tagMappings[locale];
}
var subtags = locale.split("-");
var i = 0;
// handle standard part: all subtags before first singleton or "x"
while (i < subtags.length) {
var subtag = subtags[i];
if (subtag.length === 1 && (i > 0 || subtag === "x")) {
break;
} else if (i !== 0 && subtag.length === 2) {
subtag = subtag.toUpperCase();
} else if (subtag.length === 4) {
subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
}
if (__subtagMappings.hasOwnProperty(subtag)) {
subtag = __subtagMappings[subtag];
} else if (__extlangMappings.hasOwnProperty(subtag)) {
subtag = __extlangMappings[subtag][0];
if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
subtags.shift();
i--;
}
}
subtags[i] = subtag;
i++;
}
var normal = subtags.slice(0, i).join("-");
// handle extensions
var extensions = [];
while (i < subtags.length && subtags[i] !== "x") {
var extensionStart = i;
i++;
while (i < subtags.length && subtags[i].length > 1) {
i++;
}
var extension = subtags.slice(extensionStart, i).join("-");
extensions.push(extension);
}
extensions.sort();
// handle private use
var privateUse;
if (i < subtags.length) {
privateUse = subtags.slice(i).join("-");
}
// put everything back together
var canonical = normal;
if (extensions.length > 0) {
canonical += "-" + extensions.join("-");
}
if (privateUse !== undefined) {
if (canonical.length > 0) {
canonical += "-" + privateUse;
} else {
canonical = privateUse;
}
}
return canonical;
}
return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
canonicalizeLanguageTag(locale) === locale;
}

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that structurally valid language tags are accepted.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
var validLanguageTags = [
"de", // ISO 639 language code
"de-DE", // + ISO 3166-1 country code
"DE-de", // tags are case-insensitive
"cmn", // ISO 639 language code
"cmn-Hans", // + script code
"CMN-hANS", // tags are case-insensitive
"cmn-hans-cn", // + ISO 3166-1 country code
"es-419", // + UN M.49 region code
"es-419-u-nu-latn-cu-bob", // + Unicode locale extension sequence
"i-klingon", // grandfathered tag
"cmn-hans-cn-t-ca-u-ca-x-t-u", // singleton subtags can also be used as private use subtags
"enochian-enochian", // language and variant subtags may be the same
"de-gregory-u-ca-gregory" // variant and extension subtags may be the same
];
testWithIntlConstructors(function (Constructor) {
validLanguageTags.forEach(function (tag) {
// this must not throw an exception for a valid language tag
var obj = new Constructor([tag]);
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that language tags with "_" are not accepted.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
var invalidLanguageTags = [
"de_DE",
"DE_de",
"cmn_Hans",
"cmn-hans_cn",
"es_419",
"es-419-u-nu-latn-cu_bob",
"i_klingon",
"cmn-hans-cn-t-ca-u-ca-x_t-u",
"enochian_enochian",
"de-gregory_u-ca-gregory"
];
testWithIntlConstructors(function (Constructor) {
invalidLanguageTags.forEach(function (tag) {
var error;
try {
// this must throw an exception for an invalid language tag
var obj = new Constructor([tag]);
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Invalid language tag " + tag + " was not rejected.");
} else if (error.name !== "RangeError") {
$ERROR("Invalid language tag " + tag + " was rejected with wrong error " + error.name + ".");
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that language tags with invalid subtag sequences are not accepted.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
var invalidLanguageTags = [
"", // empty tag
"i", // singleton alone
"x", // private use without subtag
"u", // extension singleton in first place
"419", // region code in first place
"u-nu-latn-cu-bob", // extension sequence without language
"hans-cmn-cn", // "hans" could theoretically be a 4-letter language code,
// but those can't be followed by extlang codes.
"cmn-hans-cn-u-u", // duplicate singleton
"cmn-hans-cn-t-u-ca-u", // duplicate singleton
"de-gregory-gregory", // duplicate variant
"中文", // non-ASCII letters
"en-ß", // non-ASCII letters
"ıd" // non-ASCII letters
];
testWithIntlConstructors(function (Constructor) {
invalidLanguageTags.forEach(function (tag) {
var error;
try {
// this must throw an exception for an invalid language tag
var obj = new Constructor([tag]);
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Invalid language tag " + tag + " was not rejected.");
} else if (error.name !== "RangeError") {
$ERROR("Invalid language tag " + tag + " was rejected with wrong error " + error.name + ".");
}
});
return true;
});

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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.
/**
* @description Tests that language tags are canonicalized in return values.
* @author Norbert Lindenberg
*/
$INCLUDE("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"],
"enochian-enochian": ["enochian-enochian", "enochian"],
"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"]
};
// 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;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the default locale is a String value representing the
* structurally valid and canonicalized BCP 47 language tag.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
if (!isCanonicalizedStructurallyValidLanguageTag(defaultLocale)) {
$ERROR("Default locale \"" + defaultLocale + "\" is not canonicalized and structurally valid language tag.");
}
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that well-formed currency codes are accepted.
* @author Norbert Lindenberg
*/
var wellFormedCurrencyCodes = [
"BOB",
"EUR",
"usd", // currency codes are case-insensitive
"XdR",
"xTs"
];
wellFormedCurrencyCodes.forEach(function (code) {
// this must not throw an exception for a valid currency code
var format = new Intl.NumberFormat(["de-de"], {style: "currency", currency: code});
if (format.resolvedOptions().currency !== code.toUpperCase()) {
$ERROR("Currency " + code + " was not correctly accepted; turned into " +
format.resolvedOptions().currency + ".");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that invalid currency codes are not accepted.
* @author Norbert Lindenberg
*/
var invalidCurrencyCodes = [
"€",
"$",
"SFr.",
"DM",
"KR₩",
"702",
"ßP",
"ınr"
];
invalidCurrencyCodes.forEach(function (code) {
var error;
try {
// this must throw an exception for an invalid currency code
var format = new Intl.NumberFormat(["de-de"], {style: "currency", currency: code});
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Invalid currency code " + code + " was not rejected.");
} else if (error.name !== "RangeError") {
$ERROR("Invalid currency code " + code + " was rejected with wrong error " + error.name + ".");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that valid time zone names are accepted.
* @author Norbert Lindenberg
*/
var validTimeZoneNames = [
"UTC",
"utc" // time zone names are case-insensitive
];
validTimeZoneNames.forEach(function (name) {
// this must not throw an exception for a valid time zone name
var format = new Intl.DateTimeFormat(["de-de"], {timeZone: name});
if (format.resolvedOptions().timeZone !== name.toUpperCase()) {
$ERROR("Time zone name " + name + " was not correctly accepted; turned into " +
format.resolvedOptions().timeZone + ".");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that invalid time zone names are not accepted.
* @author Norbert Lindenberg
*/
var invalidTimeZoneNames = [
"",
"MEZ", // localized abbreviation
"Pacific Time", // localized long form
"cnsha", // BCP 47 time zone code
"invalid", // as the name says
"Europe/İstanbul", // non-ASCII letter
"asıa/baku", // non-ASCII letter
"europe/brußels" // non-ASCII letter
];
invalidTimeZoneNames.forEach(function (name) {
var error;
try {
// this must throw an exception for an invalid time zone name
var format = new Intl.DateTimeFormat(["de-de"], {timeZone: name});
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Invalid time zone name " + name + " was not rejected.");
} else if (error.name !== "RangeError") {
$ERROR("Invalid time zone name " + name + " was rejected with wrong error " + error.name + ".");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that additional time zone names, if accepted, are handled correctly.
* @author Norbert Lindenberg
*/
// canonicalization specified in conformance clause
var additionalTimeZoneNames = {
"Etc/GMT": "UTC",
"Greenwich": "UTC",
"PRC": "Asia/Shanghai",
"AmErIcA/LoS_aNgElEs": "America/Los_Angeles",
"etc/gmt+7": "Etc/GMT+7"
};
Object.getOwnPropertyNames(additionalTimeZoneNames).forEach(function (name) {
var format, error;
try {
format = new Intl.DateTimeFormat([], {timeZone: name});
} catch (e) {
error = e;
}
if (error === undefined) {
var actual = format.resolvedOptions().timeZone;
var expected = additionalTimeZoneNames.name;
if (actual !== expected) {
$ERROR("Time zone name " + name + " was accepted, but incorrectly canonicalized to " +
actual + "; expected " + expected + ".");
}
} else if (error.name !== "RangeError") {
$ERROR("Time zone name " + name + " was rejected with wrong error " + error.name + ".");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that default locale is available.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var supportedLocales = Constructor.supportedLocalesOf([defaultLocale]);
if (supportedLocales.indexOf(defaultLocale) === -1) {
$ERROR("Default locale is not reported as available.");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that appropriate fallback locales are provided for
* supported locales.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var info = getLocaleSupportInfo(Constructor);
var fallback;
info.supported.forEach(function (locale) {
var pos = locale.lastIndexOf("-");
if (pos !== -1) {
fallback = locale.substring(0, pos);
if (info.supported.indexOf(fallback) === -1) {
$ERROR("Locale " + locale + " is supported, but fallback " + fallback + " isn't.");
}
}
var match = /([a-z]{2,3})(-[A-Z][a-z]{3})(-[A-Z]{2})/.exec(locale);
if (match !== null) {
fallback = match[1] + match[3];
if (info.supported.indexOf(fallback) === -1) {
$ERROR("Locale " + locale + " is supported, but fallback " + fallback + " isn't.");
}
}
});
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that canonicalization of locale lists treats undefined and empty lists the same.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var supportedForUndefined = Constructor.supportedLocalesOf(undefined);
var supportedForEmptyList = Constructor.supportedLocalesOf([]);
if (supportedForUndefined.length !== supportedForEmptyList.length) {
$ERROR("Supported locales differ between undefined and empty list input.");
}
// we don't compare the elements because length should be 0 - let's just verify that
if (supportedForUndefined.length !== 0) {
$ERROR("Internal test error: Assumption about length being 0 is invalid.");
}
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the behavior of a List is not affected by adversarial
* changes to Array.prototype.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
taintArray();
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
if (canonicalized.length > 1) {
$ERROR("Canonicalization didn't remove duplicate language tags from locale list.");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that a single string instead of a locale list is treated
* as the locale list containing that string.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
var validAndInvalidLanguageTags = [
"de", // ISO 639 language code
"de-DE", // + ISO 3166-1 country code
"DE-de", // tags are case-insensitive
"cmn", // ISO 639 language code
"cmn-Hans", // + script code
"CMN-hANS", // tags are case-insensitive
"cmn-hans-cn", // + ISO 3166-1 country code
"es-419", // + UN M.49 region code
"es-419-u-nu-latn-cu-bob", // + Unicode locale extension sequence
"i-klingon", // grandfathered tag
"cmn-hans-cn-t-ca-u-ca-x-t-u", // singleton subtags can also be used as private use subtags
"enochian-enochian", // language and variant subtags may be the same
"de-gregory-u-ca-gregory", // variant and extension subtags may be the same
"de_DE",
"DE_de",
"cmn_Hans",
"cmn-hans_cn",
"es_419",
"es-419-u-nu-latn-cu_bob",
"i_klingon",
"cmn-hans-cn-t-ca-u-ca-x_t-u",
"enochian_enochian",
"de-gregory_u-ca-gregory",
"i", // singleton alone
"x", // private use without subtag
"u", // extension singleton in first place
"419", // region code in first place
"u-nu-latn-cu-bob", // extension sequence without language
"hans-cmn-cn", // "hans" could theoretically be a 4-letter language code,
// but those can't be followed by extlang codes.
"cmn-hans-cn-u-u", // duplicate singleton
"cmn-hans-cn-t-u-ca-u", // duplicate singleton
"de-gregory-gregory" // duplicate variant
];
testWithIntlConstructors(function (Constructor) {
validAndInvalidLanguageTags.forEach(function (locale) {
var obj1, obj2, locale1, locale2, error1, error2;
try {
obj1 = new Constructor(locale);
locale1 = obj1.resolvedOptions().locale;
} catch (e) {
error1 = e;
}
try {
obj2 = new Constructor([locale]);
locale2 = obj2.resolvedOptions().locale;
} catch (e) {
error2 = e;
}
if ((error1 === undefined) !== (error2 === undefined)) {
if (error1 === undefined) {
$ERROR("Single locale string " + locale +
" was accepted, but locale list containing that string wasn't.");
} else {
$ERROR("Single locale string " + locale +
" was rejected, but locale list containing that string wasn't.");
}
} else if (error1 === undefined) {
if (locale1 !== locale2) {
$ERROR("Single locale string " + locale + " results in " + locale1 +
", but locale list [" + locale + "] results in " + locale2 + ".");
}
} else {
if (error1.name !== error2.name) {
$ERROR("Single locale string " + locale + " results in error " + error1.name +
", but locale list [" + locale + "] results in error " + error2.name + ".");
}
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that non-objects are converted to objects before canonicalization.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
// undefined is handled separately
// null should result in a TypeError
var error;
try {
var supportedForNull = Constructor.supportedLocalesOf(null);
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Null as locale list was not rejected.");
} else if (error.name !== "TypeError") {
$ERROR("Null as locale list was rejected with wrong error " + error.name + ".");
}
// let's use an empty list for comparison
var supportedForEmptyList = Constructor.supportedLocalesOf([]);
// we don't compare the elements because length should be 0 - let's just verify that
if (supportedForEmptyList.length !== 0) {
$ERROR("Internal test error: Assumption about length being 0 is invalid.");
}
// most non-objects will be interpreted as empty lists because a missing length property is interpreted as 0
var supportedForNumber = Constructor.supportedLocalesOf(5);
if (supportedForNumber.length !== supportedForEmptyList.length) {
$ERROR("Supported locales differ between numeric and empty list input.");
}
var supportedForBoolean = Constructor.supportedLocalesOf(true);
if (supportedForBoolean.length !== supportedForEmptyList.length) {
$ERROR("Supported locales differ between boolean and empty list input.");
}
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that values other than strings are not accepted as locales.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
var notStringOrObject = [undefined, null, true, false, 0, 5, -5, NaN];
testWithIntlConstructors(function (Constructor) {
notStringOrObject.forEach(function (value) {
var error;
try {
var supported = Constructor.supportedLocalesOf([value]);
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("" + value + " as locale was not rejected.");
} else if (error.name !== "TypeError") {
$ERROR("" + value + " as locale was rejected with wrong error " + error.name + ".");
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that canonicalization of locale lists removes duplicate language tags.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale]);
if (canonicalized.length > 1) {
$ERROR("Canonicalization didn't remove duplicate language tags from locale list.");
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that locales that are reported by resolvedOptions
* are also reported by supportedLocalesOf.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var info = getLocaleSupportInfo(Constructor);
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var supportedByConstructor = info.supported.concat(info.byFallback);
var supported = Constructor.supportedLocalesOf(supportedByConstructor,
{localeMatcher: matcher});
// we could check the length first, but it's probably more interesting which locales are missing
var i = 0;
var limit = Math.min(supportedByConstructor.length, supported.length);
while (i < limit && supportedByConstructor[i] === supported[i]) {
i++;
}
if (i < supportedByConstructor.length) {
$ERROR("Locale " + supportedByConstructor[i] +
" is returned by resolvedOptions but not by supportedLocalesOf.");
} else if (i < supported.length) {
$ERROR("Locale " + supported[i] +
" is returned by supportedLocalesOf but not by resolvedOptions.");
}
});
// this test is only valid for lookup - best fit may find additional locales supported
var unsupportedByConstructor = info.unsupported;
var supported = Constructor.supportedLocalesOf(unsupportedByConstructor,
{localeMatcher: "lookup"});
if (supported.length > 0) {
$ERROR("Locale " + supported[0] +
" is returned by supportedLocalesOf but not by resolvedOptions.");
}
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the behavior of a Record is not affected by adversarial
* changes to Object.prototype.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
taintProperties(["locale", "extension", "extensionIndex"]);
testWithIntlConstructors(function (Constructor) {
var locale = new Constructor(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
if (!isCanonicalizedStructurallyValidLanguageTag(locale)) {
$ERROR("Constructor returns invalid locale " + locale + ".");
}
return true;
});

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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.
/**
* @description Tests that missing Unicode extension values default to true for
* boolean keys.
* @author Norbert Lindenberg
*/
var extensions = ["-u-co-phonebk-kn", "-u-kn-co-phonebk"];
extensions.forEach(function (extension) {
var defaultLocale = new Intl.Collator().resolvedOptions().locale;
var collator = new Intl.Collator([defaultLocale + extension], {usage: "sort"});
var locale = collator.resolvedOptions().locale;
var numeric = collator.resolvedOptions().numeric;
if (numeric !== undefined) {
if (numeric !== true) {
$ERROR("Default value for \"kn\" should be true, but is " + numeric + ".");
}
if (locale.indexOf("-kn") !== -1) {
$ERROR("\"kn\" is returned in locale, but shouldn't be.");
}
}
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the behavior of a Record is not affected by adversarial
* changes to Object.prototype.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
taintProperties(["dataLocale", "nu", "ca", "co", "locale"]);
testWithIntlConstructors(function (Constructor) {
var locale = new Constructor(undefined, {localeMatcher: "lookup"}).resolvedOptions().locale;
if (!isCanonicalizedStructurallyValidLanguageTag(locale)) {
$ERROR("Constructor returns invalid locale " + locale + ".");
}
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the behavior of a List is not affected by adversarial
* changes to Array.prototype.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
taintArray();
testWithIntlConstructors(function (Constructor) {
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var canonicalized = Constructor.supportedLocalesOf([defaultLocale, defaultLocale],
{localeMatcher: matcher});
if (canonicalized.length > 1) {
$ERROR("Canonicalization with matcher " + matcher + " didn't remove duplicate language tags from locale list.");
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that LookupSupportedLocales returns an empty list when
* given an empty list.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var supported = Constructor.supportedLocalesOf([], {localeMatcher: matcher});
if (supported.length !== 0) {
$ERROR("SupportedLocales with matcher " + matcher + " returned a non-empty list for an empty list.");
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that Unicode locale extension sequences do not affect
* whether a locale is considered supported, but are reported back.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var info = getLocaleSupportInfo(Constructor);
var allLocales = info.supported.concat(info.byFallback, info.unsupported);
allLocales.forEach(function (locale) {
var validExtension = "-u-co-phonebk-nu-latn";
var invalidExtension = "-u-nu-invalid";
var supported1 = Constructor.supportedLocalesOf([locale],
{localeMatcher: matcher});
var supported2 = Constructor.supportedLocalesOf([locale + validExtension],
{localeMatcher: matcher});
var supported3 = Constructor.supportedLocalesOf([locale + invalidExtension],
{localeMatcher: matcher});
if (supported1.length === 1) {
if (supported2.length !== 1 || supported3.length !== 1) {
$ERROR("Presence of Unicode locale extension sequence affects whether locale " +
locale + " is considered supported with matcher " + matcher + ".");
}
if (supported2[0] !== locale + validExtension || supported3[0] !== locale + invalidExtension) {
alert(locale + "; " + supported2[0] + "; " + supported3[0]);
$ERROR("Unicode locale extension sequence is not correctly returned for locale " +
locale + " with matcher " + matcher + ".");
}
} else {
if (supported2.length !== 0 || supported3.length !== 0) {
$ERROR("Presence of Unicode locale extension sequence affects whether locale " +
locale + " is considered supported with matcher " + matcher + ".");
}
}
});
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that LookupSupportedLocales includes the default locale
* and doesn't include the "no linguistic content" locale.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
// this test should work equally for both matching algorithms
["lookup", "best fit"].forEach(function (matcher) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var noLinguisticContent = "zxx";
var supported = Constructor.supportedLocalesOf([defaultLocale, noLinguisticContent],
{localeMatcher: matcher});
if (supported.indexOf(defaultLocale) === -1) {
$ERROR("SupportedLocales didn't return default locale with matcher " + matcher + ".");
}
if (supported.indexOf(noLinguisticContent) !== -1) {
$ERROR("SupportedLocales returned the \"no linguistic content\" locale with matcher " + matcher + ".");
}
if (supported.length > 1) {
$ERROR("SupportedLocales returned stray locales: " + supported.join(", ") + " with matcher " + matcher + ".");
}
});
return true;
});

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// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the option localeMatcher is processed correctly.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var validValues = [undefined, "lookup", "best fit", {toString: function () { return "lookup"; }}];
validValues.forEach(function (value) {
var supported = Constructor.supportedLocalesOf([defaultLocale], {localeMatcher: value});
});
var invalidValues = [null, 0, 5, NaN, true, false, "invalid"];
invalidValues.forEach(function (value) {
var error;
try {
var supported = Constructor.supportedLocalesOf([defaultLocale], {localeMatcher: value});
} catch (e) {
error = e;
}
if (error === undefined) {
$ERROR("Invalid localeMatcher value " + value + " was not rejected.");
} else if (error.name !== "RangeError") {
$ERROR("Invalid localeMatcher value " + value + " was rejected with wrong error " + error.name + ".");
}
});
return true;
});

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@ -0,0 +1,35 @@
// Copyright 2012 Mozilla Corporation. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests that the array returned by SupportedLocales is extensible,
* but its properties are non-writable/non-configurable.
* @author Norbert Lindenberg
*/
$INCLUDE("testIntl.js");
function testFrozenProperty(obj, property) {
var desc = Object.getOwnPropertyDescriptor(obj, property);
if (desc.writable) {
$ERROR("Property " + property + " of object returned by SupportedLocales is writable.");
}
if (desc.configurable) {
$ERROR("Property " + property + " of object returned by SupportedLocales is configurable.");
}
}
testWithIntlConstructors(function (Constructor) {
var defaultLocale = new Constructor().resolvedOptions().locale;
var supported = Constructor.supportedLocalesOf([defaultLocale]);
if (!Object.isExtensible(supported)) {
$ERROR("Object returned by SupportedLocales is not extensible.");
}
for (var i = 0; i < supported.length; i++) {
testFrozenProperty(supported, i);
}
testFrozenProperty(supported, "length");
return true;
});

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@ -1,18 +0,0 @@
// Copyright 2012 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests the internal properties of Intl.Collator.
*/
var defaultLocale = new Intl.Collator([]).resolvedOptions().locale;
var supportedLocales = Intl.Collator.supportedLocalesOf([defaultLocale]);
if (supportedLocales.length < 1 || supportedLocales[0] !== defaultLocale) {
$ERROR('The default locale is not supported by Intl.Collator');
}
// FIXME: Find a way to check [[relevantExtensionKeys]]
// FIXME: Find a way to check specified properties of [[localeData]]

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@ -1,19 +0,0 @@
// Copyright 2012 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests the internal properties of Intl.NumberFormat.
* @author: Roozbeh Pournader
*/
var defaultLocale = new Intl.NumberFormat([]).resolvedOptions().locale;
var supportedLocales = Intl.NumberFormat.supportedLocalesOf([defaultLocale]);
if (supportedLocales.length < 1 || supportedLocales[0] !== defaultLocale) {
$ERROR('The default locale is not supported by Intl.NumberFormat');
}
// FIXME: Find a way to check that [[relevantExtensionKeys]] === ['nu']
// FIXME: Find a way to check specified properties of [[localeData]]

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@ -1,19 +0,0 @@
// Copyright 2012 Google Inc. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/**
* @description Tests the internal properties of Intl.DateTimeFormat.
* @author: Roozbeh Pournader
*/
var defaultLocale = new Intl.DateTimeFormat([]).resolvedOptions().locale;
var supportedLocales = Intl.DateTimeFormat.supportedLocalesOf([defaultLocale]);
if (supportedLocales.length < 1 || supportedLocales[0] !== defaultLocale) {
$ERROR('The default locale is not supported by Intl.DateTimeFormat');
}
// FIXME: Find a way to check that [[relevantExtensionKeys]] === ['ca', 'nu']
// FIXME: Find a way to check specified properties of [[localeData]]

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@ -212,6 +212,7 @@ class TestCase(object):
self.suite.GetInclude("sta.js") + \
self.suite.GetInclude("ed.js") + \
self.suite.GetInclude("testBuiltInObject.js") + \
self.suite.GetInclude("testIntl.js") + \
self.test + '\n'
if self.strict_mode:

658
website/harness/testIntl.js Normal file
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@ -0,0 +1,658 @@
// 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.
/**
* This file contains shared functions for the tests in the conformance test
* suite for the ECMAScript Internationalization API.
* @author Norbert Lindenberg
*/
/**
* @description Calls the provided function for every service constructor in
* the Intl object, until f returns a falsy value. It returns the result of the
* last call to f, mapped to a boolean.
* @param {Function} f the function to call for each service constructor in
* the Intl object.
* @param {Function} Constructor the constructor object to test with.
* @result {Boolean} whether the test succeeded.
*/
function testWithIntlConstructors(f) {
var constructors = ["Collator", "NumberFormat", "DateTimeFormat"];
return constructors.every(function (constructor) {
var Constructor = Intl[constructor];
var result;
try {
result = f(Constructor);
} catch (e) {
e.message += " (Testing with " + constructor + ".)";
throw e;
}
return result;
});
}
/**
* Returns the name of the given constructor object, which must be one of
* Intl.Collator, Intl.NumberFormat, or Intl.DateTimeFormat.
* @param {object} Constructor a constructor
* @return {string} the name of the constructor
*/
function getConstructorName(Constructor) {
switch (Constructor) {
case Intl.Collator:
return "Collator";
case Intl.NumberFormat:
return "NumberFormat";
case Intl.DateTimeFormat:
return "DateTimeFormat";
default:
$ERROR("test internal error: unknown Constructor");
}
}
/**
* Taints a named data property of the given object by installing
* a setter that throws an exception.
* @param {object} obj the object whose data property to taint
* @param {string} property the property to taint
*/
function taintDataProperty(obj, property) {
Object.defineProperty(obj, property, {
set: function(value) {
$ERROR("Client code can adversely affect behavior: setter for " + property + ".");
},
enumerable: false,
configurable: true
});
}
/**
* Taints a named method of the given object by replacing it with a function
* that throws an exception.
* @param {object} obj the object whose method to taint
* @param {string} property the name of the method to taint
*/
function taintMethod(obj, property) {
Object.defineProperty(obj, property, {
value: function() {
$ERROR("Client code can adversely affect behavior: method " + property + ".");
},
writable: true,
enumerable: false,
configurable: true
});
}
/**
* Taints the given properties (and similarly named properties) by installing
* setters on Object.prototype that throw exceptions.
* @param {Array} properties an array of property names to taint
*/
function taintProperties(properties) {
properties.forEach(function (property) {
var adaptedProperties = [property, "__" + property, "_" + property, property + "_", property + "__"];
adaptedProperties.forEach(function (property) {
taintDataProperty(Object.prototype, property);
});
});
}
/**
* Taints the Array object by creating a setter for the property "0" and
* replacing some key methods with functions that throw exceptions.
*/
function taintArray() {
taintDataProperty(Array.prototype, "0");
taintMethod(Array.prototype, "indexOf");
taintMethod(Array.prototype, "join");
taintMethod(Array.prototype, "push");
taintMethod(Array.prototype, "slice");
taintMethod(Array.prototype, "sort");
}
// auxiliary data for getLocaleSupportInfo
var languages = ["zh", "es", "en", "hi", "ur", "ar", "ja", "pa"];
var scripts = ["Latn", "Hans", "Deva", "Arab", "Jpan", "Hant"];
var countries = ["CN", "IN", "US", "PK", "JP", "TW", "HK", "SG"];
var localeSupportInfo = {};
/**
* Gets locale support info for the given constructor object, which must be one
* of Intl.Collator, Intl.NumberFormat, Intl.DateTimeFormat.
* @param {object} Constructor the constructor for which to get locale support info
* @return {object} locale support info with the following properties:
* supported: array of fully supported language tags
* byFallback: array of language tags that are supported through fallbacks
* unsupported: array of unsupported language tags
*/
function getLocaleSupportInfo(Constructor) {
var constructorName = getConstructorName(Constructor);
if (localeSupportInfo[constructorName] !== undefined) {
return localeSupportInfo[constructorName];
}
var allTags = [];
var i, j, k;
var language, script, country;
for (i = 0; i < languages.length; i++) {
language = languages[i];
allTags.push(language);
for (j = 0; j < scripts.length; j++) {
script = scripts[j];
allTags.push(language + "-" + script);
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + script + "-" + country);
}
}
for (k = 0; k < countries.length; k++) {
country = countries[k];
allTags.push(language + "-" + country);
}
}
var supported = [];
var byFallback = [];
var unsupported = [];
for (i = 0; i < allTags.length; i++) {
var request = allTags[i];
var result = new Constructor([request], {localeMatcher: "lookup"}).resolvedOptions().locale;
if (request === result) {
supported.push(request);
} else if (request.indexOf(result) === 0) {
byFallback.push(request);
} else {
unsupported.push(request);
}
}
localeSupportInfo[constructorName] = {
supported: supported,
byFallback: byFallback,
unsupported: unsupported
};
return localeSupportInfo[constructorName];
}
/**
* @description Tests whether locale is a String value representing a
* structurally valid and canonicalized BCP 47 language tag, as defined in
* sections 6.2.2 and 6.2.3 of the ECMAScript Internationalization API
* Specification.
* @param {String} locale the string to be tested.
* @result {Boolean} whether the test succeeded.
*/
function isCanonicalizedStructurallyValidLanguageTag(locale) {
/**
* Regular expression defining BCP 47 language tags.
*
* Spec: RFC 5646 section 2.1.
*/
var alpha = "[a-zA-Z]",
digit = "[0-9]",
alphanum = "(" + alpha + "|" + digit + ")",
regular = "(art-lojban|cel-gaulish|no-bok|no-nyn|zh-guoyu|zh-hakka|zh-min|zh-min-nan|zh-xiang)",
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)",
grandfathered = "(" + irregular + "|" + regular + ")",
privateuse = "(x(-[a-z0-9]{1,8})+)",
singleton = "(" + digit + "|[A-WY-Za-wy-z])",
extension = "(" + singleton + "(-" + alphanum + "{2,8})+)",
variant = "(" + alphanum + "{5,8}|(" + digit + alphanum + "{3}))",
region = "(" + alpha + "{2}|" + digit + "{3})",
script = "(" + alpha + "{4})",
extlang = "(" + alpha + "{3}(-" + alpha + "{3}){0,2})",
language = "(" + alpha + "{2,3}(-" + extlang + ")?|" + alpha + "{4}|" + alpha + "{5,8})",
langtag = language + "(-" + script + ")?(-" + region + ")?(-" + variant + ")*(-" + extension + ")*(-" + privateuse + ")?",
languageTag = "^(" + langtag + "|" + privateuse + "|" + grandfathered + ")$",
languageTagRE = new RegExp(languageTag, "i");
var duplicateSingleton = "-" + singleton + "-(.*-)?\\1(?!" + alphanum + ")",
duplicateSingletonRE = new RegExp(duplicateSingleton, "i"),
duplicateVariant = "(" + alphanum + "{2,8}-)+" + variant + "-(" + alphanum + "{2,8}-)*\\3(?!" + alphanum + ")",
duplicateVariantRE = new RegExp(duplicateVariant, "i");
/**
* Verifies that the given string is a well-formed BCP 47 language tag
* with no duplicate variant or singleton subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.2.
*/
function isStructurallyValidLanguageTag(locale) {
if (!languageTagRE.test(locale)) {
return false;
}
locale = locale.split(/-x-/)[0];
return !duplicateSingletonRE.test(locale) && !duplicateVariantRE.test(locale);
}
/**
* Mappings from complete tags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __tagMappings = {
// property names must be in lower case; values in canonical form
// grandfathered tags from IANA language subtag registry, file date 2011-08-25
"art-lojban": "jbo",
"cel-gaulish": "cel-gaulish",
"en-gb-oed": "en-GB-oed",
"i-ami": "ami",
"i-bnn": "bnn",
"i-default": "i-default",
"i-enochian": "i-enochian",
"i-hak": "hak",
"i-klingon": "tlh",
"i-lux": "lb",
"i-mingo": "i-mingo",
"i-navajo": "nv",
"i-pwn": "pwn",
"i-tao": "tao",
"i-tay": "tay",
"i-tsu": "tsu",
"no-bok": "nb",
"no-nyn": "nn",
"sgn-be-fr": "sfb",
"sgn-be-nl": "vgt",
"sgn-ch-de": "sgg",
"zh-guoyu": "cmn",
"zh-hakka": "hak",
"zh-min": "zh-min",
"zh-min-nan": "nan",
"zh-xiang": "hsn",
// deprecated redundant tags from IANA language subtag registry, file date 2011-08-25
"sgn-br": "bzs",
"sgn-co": "csn",
"sgn-de": "gsg",
"sgn-dk": "dsl",
"sgn-es": "ssp",
"sgn-fr": "fsl",
"sgn-gb": "bfi",
"sgn-gr": "gss",
"sgn-ie": "isg",
"sgn-it": "ise",
"sgn-jp": "jsl",
"sgn-mx": "mfs",
"sgn-ni": "ncs",
"sgn-nl": "dse",
"sgn-no": "nsl",
"sgn-pt": "psr",
"sgn-se": "swl",
"sgn-us": "ase",
"sgn-za": "sfs",
"zh-cmn": "cmn",
"zh-cmn-hans": "cmn-Hans",
"zh-cmn-hant": "cmn-Hant",
"zh-gan": "gan",
"zh-wuu": "wuu",
"zh-yue": "yue",
// deprecated variant with prefix from IANA language subtag registry, file date 2011-08-25
"ja-latn-hepburn-heploc": "ja-Latn-alalc97"
};
/**
* Mappings from non-extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __subtagMappings = {
// property names and values must be in canonical case
// language subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"in": "id",
"iw": "he",
"ji": "yi",
"jw": "jv",
"mo": "ro",
"ayx": "nun",
"cjr": "mom",
"cmk": "xch",
"drh": "khk",
"drw": "prs",
"gav": "dev",
"mst": "mry",
"myt": "mry",
"tie": "ras",
"tkk": "twm",
"tnf": "prs",
// region subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
"BU": "MM",
"DD": "DE",
"FX": "FR",
"TP": "TL",
"YD": "YE",
"ZR": "CD"
};
/**
* Mappings from extlang subtags to preferred values.
*
* Spec: IANA Language Subtag Registry.
*/
var __extlangMappings = {
// extlang subtags with Preferred-Value mappings from IANA language subtag registry, file date 2011-08-25
// values are arrays with [0] the replacement value, [1] (if present) the prefix to be removed
"aao": ["aao", "ar"],
"abh": ["abh", "ar"],
"abv": ["abv", "ar"],
"acm": ["acm", "ar"],
"acq": ["acq", "ar"],
"acw": ["acw", "ar"],
"acx": ["acx", "ar"],
"acy": ["acy", "ar"],
"adf": ["adf", "ar"],
"ads": ["ads", "sgn"],
"aeb": ["aeb", "ar"],
"aec": ["aec", "ar"],
"aed": ["aed", "sgn"],
"aen": ["aen", "sgn"],
"afb": ["afb", "ar"],
"afg": ["afg", "sgn"],
"ajp": ["ajp", "ar"],
"apc": ["apc", "ar"],
"apd": ["apd", "ar"],
"arb": ["arb", "ar"],
"arq": ["arq", "ar"],
"ars": ["ars", "ar"],
"ary": ["ary", "ar"],
"arz": ["arz", "ar"],
"ase": ["ase", "sgn"],
"asf": ["asf", "sgn"],
"asp": ["asp", "sgn"],
"asq": ["asq", "sgn"],
"asw": ["asw", "sgn"],
"auz": ["auz", "ar"],
"avl": ["avl", "ar"],
"ayh": ["ayh", "ar"],
"ayl": ["ayl", "ar"],
"ayn": ["ayn", "ar"],
"ayp": ["ayp", "ar"],
"bbz": ["bbz", "ar"],
"bfi": ["bfi", "sgn"],
"bfk": ["bfk", "sgn"],
"bjn": ["bjn", "ms"],
"bog": ["bog", "sgn"],
"bqn": ["bqn", "sgn"],
"bqy": ["bqy", "sgn"],
"btj": ["btj", "ms"],
"bve": ["bve", "ms"],
"bvl": ["bvl", "sgn"],
"bvu": ["bvu", "ms"],
"bzs": ["bzs", "sgn"],
"cdo": ["cdo", "zh"],
"cds": ["cds", "sgn"],
"cjy": ["cjy", "zh"],
"cmn": ["cmn", "zh"],
"coa": ["coa", "ms"],
"cpx": ["cpx", "zh"],
"csc": ["csc", "sgn"],
"csd": ["csd", "sgn"],
"cse": ["cse", "sgn"],
"csf": ["csf", "sgn"],
"csg": ["csg", "sgn"],
"csl": ["csl", "sgn"],
"csn": ["csn", "sgn"],
"csq": ["csq", "sgn"],
"csr": ["csr", "sgn"],
"czh": ["czh", "zh"],
"czo": ["czo", "zh"],
"doq": ["doq", "sgn"],
"dse": ["dse", "sgn"],
"dsl": ["dsl", "sgn"],
"dup": ["dup", "ms"],
"ecs": ["ecs", "sgn"],
"esl": ["esl", "sgn"],
"esn": ["esn", "sgn"],
"eso": ["eso", "sgn"],
"eth": ["eth", "sgn"],
"fcs": ["fcs", "sgn"],
"fse": ["fse", "sgn"],
"fsl": ["fsl", "sgn"],
"fss": ["fss", "sgn"],
"gan": ["gan", "zh"],
"gom": ["gom", "kok"],
"gse": ["gse", "sgn"],
"gsg": ["gsg", "sgn"],
"gsm": ["gsm", "sgn"],
"gss": ["gss", "sgn"],
"gus": ["gus", "sgn"],
"hab": ["hab", "sgn"],
"haf": ["haf", "sgn"],
"hak": ["hak", "zh"],
"hds": ["hds", "sgn"],
"hji": ["hji", "ms"],
"hks": ["hks", "sgn"],
"hos": ["hos", "sgn"],
"hps": ["hps", "sgn"],
"hsh": ["hsh", "sgn"],
"hsl": ["hsl", "sgn"],
"hsn": ["hsn", "zh"],
"icl": ["icl", "sgn"],
"ils": ["ils", "sgn"],
"inl": ["inl", "sgn"],
"ins": ["ins", "sgn"],
"ise": ["ise", "sgn"],
"isg": ["isg", "sgn"],
"isr": ["isr", "sgn"],
"jak": ["jak", "ms"],
"jax": ["jax", "ms"],
"jcs": ["jcs", "sgn"],
"jhs": ["jhs", "sgn"],
"jls": ["jls", "sgn"],
"jos": ["jos", "sgn"],
"jsl": ["jsl", "sgn"],
"jus": ["jus", "sgn"],
"kgi": ["kgi", "sgn"],
"knn": ["knn", "kok"],
"kvb": ["kvb", "ms"],
"kvk": ["kvk", "sgn"],
"kvr": ["kvr", "ms"],
"kxd": ["kxd", "ms"],
"lbs": ["lbs", "sgn"],
"lce": ["lce", "ms"],
"lcf": ["lcf", "ms"],
"liw": ["liw", "ms"],
"lls": ["lls", "sgn"],
"lsg": ["lsg", "sgn"],
"lsl": ["lsl", "sgn"],
"lso": ["lso", "sgn"],
"lsp": ["lsp", "sgn"],
"lst": ["lst", "sgn"],
"lsy": ["lsy", "sgn"],
"ltg": ["ltg", "lv"],
"lvs": ["lvs", "lv"],
"lzh": ["lzh", "zh"],
"max": ["max", "ms"],
"mdl": ["mdl", "sgn"],
"meo": ["meo", "ms"],
"mfa": ["mfa", "ms"],
"mfb": ["mfb", "ms"],
"mfs": ["mfs", "sgn"],
"min": ["min", "ms"],
"mnp": ["mnp", "zh"],
"mqg": ["mqg", "ms"],
"mre": ["mre", "sgn"],
"msd": ["msd", "sgn"],
"msi": ["msi", "ms"],
"msr": ["msr", "sgn"],
"mui": ["mui", "ms"],
"mzc": ["mzc", "sgn"],
"mzg": ["mzg", "sgn"],
"mzy": ["mzy", "sgn"],
"nan": ["nan", "zh"],
"nbs": ["nbs", "sgn"],
"ncs": ["ncs", "sgn"],
"nsi": ["nsi", "sgn"],
"nsl": ["nsl", "sgn"],
"nsp": ["nsp", "sgn"],
"nsr": ["nsr", "sgn"],
"nzs": ["nzs", "sgn"],
"okl": ["okl", "sgn"],
"orn": ["orn", "ms"],
"ors": ["ors", "ms"],
"pel": ["pel", "ms"],
"pga": ["pga", "ar"],
"pks": ["pks", "sgn"],
"prl": ["prl", "sgn"],
"prz": ["prz", "sgn"],
"psc": ["psc", "sgn"],
"psd": ["psd", "sgn"],
"pse": ["pse", "ms"],
"psg": ["psg", "sgn"],
"psl": ["psl", "sgn"],
"pso": ["pso", "sgn"],
"psp": ["psp", "sgn"],
"psr": ["psr", "sgn"],
"pys": ["pys", "sgn"],
"rms": ["rms", "sgn"],
"rsi": ["rsi", "sgn"],
"rsl": ["rsl", "sgn"],
"sdl": ["sdl", "sgn"],
"sfb": ["sfb", "sgn"],
"sfs": ["sfs", "sgn"],
"sgg": ["sgg", "sgn"],
"sgx": ["sgx", "sgn"],
"shu": ["shu", "ar"],
"slf": ["slf", "sgn"],
"sls": ["sls", "sgn"],
"sqs": ["sqs", "sgn"],
"ssh": ["ssh", "ar"],
"ssp": ["ssp", "sgn"],
"ssr": ["ssr", "sgn"],
"svk": ["svk", "sgn"],
"swc": ["swc", "sw"],
"swh": ["swh", "sw"],
"swl": ["swl", "sgn"],
"syy": ["syy", "sgn"],
"tmw": ["tmw", "ms"],
"tse": ["tse", "sgn"],
"tsm": ["tsm", "sgn"],
"tsq": ["tsq", "sgn"],
"tss": ["tss", "sgn"],
"tsy": ["tsy", "sgn"],
"tza": ["tza", "sgn"],
"ugn": ["ugn", "sgn"],
"ugy": ["ugy", "sgn"],
"ukl": ["ukl", "sgn"],
"uks": ["uks", "sgn"],
"urk": ["urk", "ms"],
"uzn": ["uzn", "uz"],
"uzs": ["uzs", "uz"],
"vgt": ["vgt", "sgn"],
"vkk": ["vkk", "ms"],
"vkt": ["vkt", "ms"],
"vsi": ["vsi", "sgn"],
"vsl": ["vsl", "sgn"],
"vsv": ["vsv", "sgn"],
"wuu": ["wuu", "zh"],
"xki": ["xki", "sgn"],
"xml": ["xml", "sgn"],
"xmm": ["xmm", "ms"],
"xms": ["xms", "sgn"],
"yds": ["yds", "sgn"],
"ysl": ["ysl", "sgn"],
"yue": ["yue", "zh"],
"zib": ["zib", "sgn"],
"zlm": ["zlm", "ms"],
"zmi": ["zmi", "ms"],
"zsl": ["zsl", "sgn"],
"zsm": ["zsm", "ms"]
};
/**
* Canonicalizes the given well-formed BCP 47 language tag, including regularized case of subtags.
*
* Spec: ECMAScript Internationalization API Specification, draft, 6.2.3.
* Spec: RFC 5646, section 4.5.
*/
function canonicalizeLanguageTag(locale) {
// start with lower case for easier processing, and because most subtags will need to be lower case anyway
locale = locale.toLowerCase();
// handle mappings for complete tags
if (__tagMappings.hasOwnProperty(locale)) {
return __tagMappings[locale];
}
var subtags = locale.split("-");
var i = 0;
// handle standard part: all subtags before first singleton or "x"
while (i < subtags.length) {
var subtag = subtags[i];
if (subtag.length === 1 && (i > 0 || subtag === "x")) {
break;
} else if (i !== 0 && subtag.length === 2) {
subtag = subtag.toUpperCase();
} else if (subtag.length === 4) {
subtag = subtag[0].toUpperCase() + subtag.substring(1).toLowerCase();
}
if (__subtagMappings.hasOwnProperty(subtag)) {
subtag = __subtagMappings[subtag];
} else if (__extlangMappings.hasOwnProperty(subtag)) {
subtag = __extlangMappings[subtag][0];
if (i === 1 && __extlangMappings[subtag][1] === subtags[0]) {
subtags.shift();
i--;
}
}
subtags[i] = subtag;
i++;
}
var normal = subtags.slice(0, i).join("-");
// handle extensions
var extensions = [];
while (i < subtags.length && subtags[i] !== "x") {
var extensionStart = i;
i++;
while (i < subtags.length && subtags[i].length > 1) {
i++;
}
var extension = subtags.slice(extensionStart, i).join("-");
extensions.push(extension);
}
extensions.sort();
// handle private use
var privateUse;
if (i < subtags.length) {
privateUse = subtags.slice(i).join("-");
}
// put everything back together
var canonical = normal;
if (extensions.length > 0) {
canonical += "-" + extensions.join("-");
}
if (privateUse !== undefined) {
if (canonical.length > 0) {
canonical += "-" + privateUse;
} else {
canonical = privateUse;
}
}
return canonical;
}
return typeof locale === "string" && isStructurallyValidLanguageTag(locale) &&
canonicalizeLanguageTag(locale) === locale;
}

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{"numTests":41,"testSuite":["json/intl402.json"]}
{"numTests":66,"testSuite":["json/intl402.json"]}