tests/qunit/suites/resources/mediawiki/mediawiki.language.test.js

   1 ( function ( mw, $ ) {
   2         'use strict';
   3
   4         var grammarTests, bcp47Tests;
   5
   6         QUnit.module( 'mediawiki.language', QUnit.newMwEnvironment( {
   7                 setup: function () {
   8                         this.liveLangData = mw.language.data;
   9                         mw.language.data = {};
  10                 },
  11                 teardown: function () {
  12                         mw.language.data = this.liveLangData;
  13                 },
  14                 messages: {
  15                         // mw.language.listToText test
  16                         and: ' and',
  17                         'comma-separator': ', ',
  18                         'word-separator': ' '
  19                 }
  20         } ) );
  21
  22         QUnit.test( 'mw.language getData and setData', function ( assert ) {
  23                 mw.language.setData( 'en', 'testkey', 'testvalue' );
  24                 assert.equal( mw.language.getData( 'en', 'testkey' ), 'testvalue', 'Getter setter test for mw.language' );
  25                 assert.equal( mw.language.getData( 'en', 'invalidkey' ), undefined, 'Getter setter test for mw.language with invalid key' );
  26                 mw.language.setData( 'en-us', 'testkey', 'testvalue' );
  27                 assert.equal( mw.language.getData( 'en-US', 'testkey' ), 'testvalue', 'Case insensitive test for mw.language' );
  28         } );
  29
  30         QUnit.test( 'mw.language.commafy test', function ( assert ) {
  31                 mw.language.setData( 'en', 'digitGroupingPattern', null );
  32                 mw.language.setData( 'en', 'digitTransformTable', null );
  33                 mw.language.setData( 'en', 'separatorTransformTable', null );
  34
  35                 mw.config.set( 'wgUserLanguage', 'en' );
  36                 // Number grouping patterns are as per http://cldr.unicode.org/translation/number-patterns
  37                 assert.equal( mw.language.commafy( 1234.567, '###0.#####' ), '1234.567', 'Pattern with no digit grouping separator defined' );
  38                 assert.equal( mw.language.commafy( 123456789.567, '###0.#####' ), '123456789.567', 'Pattern with no digit grouping separator defined, bigger decimal part' );
  39                 assert.equal( mw.language.commafy( 0.567, '###0.#####' ), '0.567', 'Decimal part 0' );
  40                 assert.equal( mw.language.commafy( '.567', '###0.#####' ), '0.567', 'Decimal part missing. replace with zero' );
  41                 assert.equal( mw.language.commafy( 1234, '##,#0.#####' ), '12,34', 'Pattern with no fractional part' );
  42                 assert.equal( mw.language.commafy( -1234.567, '###0.#####' ), '-1234.567', 'Negative number' );
  43                 assert.equal( mw.language.commafy( -1234.567, '#,###.00' ), '-1,234.56', 'Fractional part bigger than pattern.' );
  44                 assert.equal( mw.language.commafy( 123456789.567, '###,##0.00' ), '123,456,789.56', 'Decimal part as group of 3' );
  45                 assert.equal( mw.language.commafy( 123456789.567, '###,###,#0.00' ), '1,234,567,89.56', 'Decimal part as group of 3 and last one 2' );
  46         } );
  47
  48         QUnit.test( 'mw.language.convertNumber', function ( assert ) {
  49                 mw.language.setData( 'en', 'digitGroupingPattern', null );
  50                 mw.language.setData( 'en', 'digitTransformTable', null );
  51                 mw.language.setData( 'en', 'separatorTransformTable', { ',': '.', '.': ',' } );
  52                 mw.config.set( 'wgUserLanguage', 'en' );
  53                 mw.config.set( 'wgTranslateNumerals', true );
  54
  55                 assert.equal( mw.language.convertNumber( 1800 ), '1.800', 'formatting' );
  56                 assert.equal( mw.language.convertNumber( '1.800', true ), '1800', 'unformatting' );
  57         } );
  58
  59         QUnit.test( 'mw.language.convertNumber - digitTransformTable', function ( assert ) {
  60                 mw.config.set( 'wgUserLanguage', 'hi' );
  61                 mw.config.set( 'wgTranslateNumerals', true );
  62                 mw.language.setData( 'hi', 'digitGroupingPattern', null );
  63                 mw.language.setData( 'hi', 'separatorTransformTable', { ',': '.', '.': ',' } );
  64
  65                 // Example from Hindi (MessagesHi.php)
  66                 mw.language.setData( 'hi', 'digitTransformTable', {
  67                         0: '०',
  68                         1: '१',
  69                         2: '२'
  70                 } );
  71
  72                 assert.equal( mw.language.convertNumber( 1200 ), '१.२००', 'format' );
  73                 assert.equal( mw.language.convertNumber( '१.२००', true ), '1200', 'unformat from digit transform' );
  74                 assert.equal( mw.language.convertNumber( '1.200', true ), '1200', 'unformat plain' );
  75
  76                 mw.config.set( 'wgTranslateNumerals', false );
  77
  78                 assert.equal( mw.language.convertNumber( 1200 ), '1.200', 'format (digit transform disabled)' );
  79                 assert.equal( mw.language.convertNumber( '१.२००', true ), '1200', 'unformat from digit transform (when disabled)' );
  80                 assert.equal( mw.language.convertNumber( '1.200', true ), '1200', 'unformat plain (digit transform disabled)' );
  81         } );
  82
  83         function grammarTest( langCode, test ) {
  84                 // The test works only if the content language is opt.language
  85                 // because it requires [lang].js to be loaded.
  86                 QUnit.test( 'Grammar test for lang=' + langCode, function ( assert ) {
  87                         var i;
  88                         for ( i = 0; i < test.length; i++ ) {
  89                                 assert.equal(
  90                                         mw.language.convertGrammar( test[ i ].word, test[ i ].grammarForm ),
  91                                         test[ i ].expected,
  92                                         test[ i ].description
  93                                 );
  94                         }
  95                 } );
  96         }
  97
  98         // These tests run only for the current UI language.
  99         grammarTests = {
 100                 bs: [
 101                         {
 102                                 word: 'word',
 103                                 grammarForm: 'instrumental',
 104                                 expected: 's word',
 105                                 description: 'Grammar test for instrumental case'
 106                         },
 107                         {
 108                                 word: 'word',
 109                                 grammarForm: 'lokativ',
 110                                 expected: 'o word',
 111                                 description: 'Grammar test for lokativ case'
 112                         }
 113                 ],
 114
 115                 he: [
 116                         {
 117                                 word: 'ויקיפדיה',
 118                                 grammarForm: 'prefixed',
 119                                 expected: 'וויקיפדיה',
 120                                 description: 'Duplicate the "Waw" if prefixed'
 121                         },
 122                         {
 123                                 word: 'וולפגנג',
 124                                 grammarForm: 'prefixed',
 125                                 expected: 'וולפגנג',
 126                                 description: 'Duplicate the "Waw" if prefixed, but not if it is already duplicated.'
 127                         },
 128                         {
 129                                 word: 'הקובץ',
 130                                 grammarForm: 'prefixed',
 131                                 expected: 'קובץ',
 132                                 description: 'Remove the "He" if prefixed'
 133                         },
 134                         {
 135                                 word: 'Wikipedia',
 136                                 grammarForm: 'תחילית',
 137                                 expected: '־Wikipedia',
 138                                 description: 'Add a hyphen (maqaf) before non-Hebrew letters'
 139                         },
 140                         {
 141                                 word: '1995',
 142                                 grammarForm: 'תחילית',
 143                                 expected: '־1995',
 144                                 description: 'Add a hyphen (maqaf) before numbers'
 145                         }
 146                 ],
 147
 148                 hsb: [
 149                         {
 150                                 word: 'word',
 151                                 grammarForm: 'instrumental',
 152                                 expected: 'z word',
 153                                 description: 'Grammar test for instrumental case'
 154                         },
 155                         {
 156                                 word: 'word',
 157                                 grammarForm: 'lokatiw',
 158                                 expected: 'wo word',
 159                                 description: 'Grammar test for lokatiw case'
 160                         }
 161                 ],
 162
 163                 dsb: [
 164                         {
 165                                 word: 'word',
 166                                 grammarForm: 'instrumental',
 167                                 expected: 'z word',
 168                                 description: 'Grammar test for instrumental case'
 169                         },
 170                         {
 171                                 word: 'word',
 172                                 grammarForm: 'lokatiw',
 173                                 expected: 'wo word',
 174                                 description: 'Grammar test for lokatiw case'
 175                         }
 176                 ],
 177
 178                 hy: [
 179                         {
 180                                 word: 'Մաունա',
 181                                 grammarForm: 'genitive',
 182                                 expected: 'Մաունայի',
 183                                 description: 'Grammar test for genitive case'
 184                         },
 185                         {
 186                                 word: 'հետո',
 187                                 grammarForm: 'genitive',
 188                                 expected: 'հետոյի',
 189                                 description: 'Grammar test for genitive case'
 190                         },
 191                         {
 192                                 word: 'գիրք',
 193                                 grammarForm: 'genitive',
 194                                 expected: 'գրքի',
 195                                 description: 'Grammar test for genitive case'
 196                         },
 197                         {
 198                                 word: 'ժամանակի',
 199                                 grammarForm: 'genitive',
 200                                 expected: 'ժամանակիի',
 201                                 description: 'Grammar test for genitive case'
 202                         }
 203                 ],
 204
 205                 fi: [
 206                         {
 207                                 word: 'talo',
 208                                 grammarForm: 'genitive',
 209                                 expected: 'talon',
 210                                 description: 'Grammar test for genitive case'
 211                         },
 212                         {
 213                                 word: 'linux',
 214                                 grammarForm: 'genitive',
 215                                 expected: 'linuxin',
 216                                 description: 'Grammar test for genitive case'
 217                         },
 218                         {
 219                                 word: 'talo',
 220                                 grammarForm: 'elative',
 221                                 expected: 'talosta',
 222                                 description: 'Grammar test for elative case'
 223                         },
 224                         {
 225                                 word: 'pastöroitu',
 226                                 grammarForm: 'partitive',
 227                                 expected: 'pastöroitua',
 228                                 description: 'Grammar test for partitive case'
 229                         },
 230                         {
 231                                 word: 'talo',
 232                                 grammarForm: 'partitive',
 233                                 expected: 'taloa',
 234                                 description: 'Grammar test for partitive case'
 235                         },
 236                         {
 237                                 word: 'talo',
 238                                 grammarForm: 'illative',
 239                                 expected: 'taloon',
 240                                 description: 'Grammar test for illative case'
 241                         },
 242                         {
 243                                 word: 'linux',
 244                                 grammarForm: 'inessive',
 245                                 expected: 'linuxissa',
 246                                 description: 'Grammar test for inessive case'
 247                         }
 248                 ],
 249
 250                 ru: [
 251                         {
 252                                 word: 'тесть',
 253                                 grammarForm: 'genitive',
 254                                 expected: 'тестя',
 255                                 description: 'Grammar test for genitive case, тесть -> тестя'
 256                         },
 257                         {
 258                                 word: 'привилегия',
 259                                 grammarForm: 'genitive',
 260                                 expected: 'привилегии',
 261                                 description: 'Grammar test for genitive case, привилегия -> привилегии'
 262                         },
 263                         {
 264                                 word: 'установка',
 265                                 grammarForm: 'genitive',
 266                                 expected: 'установки',
 267                                 description: 'Grammar test for genitive case, установка -> установки'
 268                         },
 269                         {
 270                                 word: 'похоти',
 271                                 grammarForm: 'genitive',
 272                                 expected: 'похотей',
 273                                 description: 'Grammar test for genitive case, похоти -> похотей'
 274                         },
 275                         {
 276                                 word: 'доводы',
 277                                 grammarForm: 'genitive',
 278                                 expected: 'доводов',
 279                                 description: 'Grammar test for genitive case, доводы -> доводов'
 280                         },
 281                         {
 282                                 word: 'песчаник',
 283                                 grammarForm: 'genitive',
 284                                 expected: 'песчаника',
 285                                 description: 'Grammar test for genitive case, песчаник -> песчаника'
 286                         },
 287                         {
 288                                 word: 'данные',
 289                                 grammarForm: 'genitive',
 290                                 expected: 'данных',
 291                                 description: 'Grammar test for genitive case, данные -> данных'
 292                         },
 293                         {
 294                                 word: 'тесть',
 295                                 grammarForm: 'prepositional',
 296                                 expected: 'тесте',
 297                                 description: 'Grammar test for prepositional case, тесть -> тесте'
 298                         },
 299                         {
 300                                 word: 'привилегия',
 301                                 grammarForm: 'prepositional',
 302                                 expected: 'привилегии',
 303                                 description: 'Grammar test for prepositional case, привилегия -> привилегии'
 304                         },
 305                         {
 306                                 word: 'установка',
 307                                 grammarForm: 'prepositional',
 308                                 expected: 'установке',
 309                                 description: 'Grammar test for prepositional case, установка -> установке'
 310                         },
 311                         {
 312                                 word: 'похоти',
 313                                 grammarForm: 'prepositional',
 314                                 expected: 'похотях',
 315                                 description: 'Grammar test for prepositional case, похоти -> похотях'
 316                         },
 317                         {
 318                                 word: 'доводы',
 319                                 grammarForm: 'prepositional',
 320                                 expected: 'доводах',
 321                                 description: 'Grammar test for prepositional case, доводы -> доводах'
 322                         },
 323                         {
 324                                 word: 'Викисклад',
 325                                 grammarForm: 'prepositional',
 326                                 expected: 'Викискладе',
 327                                 description: 'Grammar test for prepositional case, Викисклад -> Викискладе'
 328                         },
 329                         {
 330                                 word: 'Викисклад',
 331                                 grammarForm: 'genitive',
 332                                 expected: 'Викисклада',
 333                                 description: 'Grammar test for genitive case, Викисклад -> Викисклада'
 334                         },
 335                         {
 336                                 word: 'песчаник',
 337                                 grammarForm: 'prepositional',
 338                                 expected: 'песчанике',
 339                                 description: 'Grammar test for prepositional case, песчаник -> песчанике'
 340                         },
 341                         {
 342                                 word: 'данные',
 343                                 grammarForm: 'prepositional',
 344                                 expected: 'данных',
 345                                 description: 'Grammar test for prepositional case, данные -> данных'
 346                         },
 347                         {
 348                                 word: 'русский',
 349                                 grammarForm: 'languagegen',
 350                                 expected: 'русского',
 351                                 description: 'Grammar test for languagegen case, русский -> русского'
 352                         },
 353                         {
 354                                 word: 'немецкий',
 355                                 grammarForm: 'languagegen',
 356                                 expected: 'немецкого',
 357                                 description: 'Grammar test for languagegen case, немецкий -> немецкого'
 358                         },
 359                         {
 360                                 word: 'иврит',
 361                                 grammarForm: 'languagegen',
 362                                 expected: 'иврита',
 363                                 description: 'Grammar test for languagegen case, иврит -> иврита'
 364                         },
 365                         {
 366                                 word: 'эсперанто',
 367                                 grammarForm: 'languagegen',
 368                                 expected: 'эсперанто',
 369                                 description: 'Grammar test for languagegen case, эсперанто -> эсперанто'
 370                         },
 371                         {
 372                                 word: 'русский',
 373                                 grammarForm: 'languageprep',
 374                                 expected: 'русском',
 375                                 description: 'Grammar test for languageprep case, русский -> русском'
 376                         },
 377                         {
 378                                 word: 'немецкий',
 379                                 grammarForm: 'languageprep',
 380                                 expected: 'немецком',
 381                                 description: 'Grammar test for languageprep case, немецкий -> немецком'
 382                         },
 383                         {
 384                                 word: 'идиш',
 385                                 grammarForm: 'languageprep',
 386                                 expected: 'идише',
 387                                 description: 'Grammar test for languageprep case, идиш -> идише'
 388                         },
 389                         {
 390                                 word: 'эсперанто',
 391                                 grammarForm: 'languageprep',
 392                                 expected: 'эсперанто',
 393                                 description: 'Grammar test for languageprep case, эсперанто -> эсперанто'
 394                         },
 395                         {
 396                                 word: 'русский',
 397                                 grammarForm: 'languageadverb',
 398                                 expected: 'по-русски',
 399                                 description: 'Grammar test for languageadverb case, русский -> по-русски'
 400                         },
 401                         {
 402                                 word: 'немецкий',
 403                                 grammarForm: 'languageadverb',
 404                                 expected: 'по-немецки',
 405                                 description: 'Grammar test for languageadverb case, немецкий -> по-немецки'
 406                         },
 407                         {
 408                                 word: 'иврит',
 409                                 grammarForm: 'languageadverb',
 410                                 expected: 'на иврите',
 411                                 description: 'Grammar test for languageadverb case, иврит -> на иврите'
 412                         },
 413                         {
 414                                 word: 'эсперанто',
 415                                 grammarForm: 'languageadverb',
 416                                 expected: 'на эсперанто',
 417                                 description: 'Grammar test for languageadverb case, эсперанто -> на эсперанто'
 418                         },
 419                         {
 420                                 word: 'гуарани',
 421                                 grammarForm: 'languageadverb',
 422                                 expected: 'на языке гуарани',
 423                                 description: 'Grammar test for languageadverb case, гуарани -> на языке гуарани'
 424                         }
 425                 ],
 426
 427                 hu: [
 428                         {
 429                                 word: 'Wikipédiá',
 430                                 grammarForm: 'rol',
 431                                 expected: 'Wikipédiáról',
 432                                 description: 'Grammar test for rol case'
 433                         },
 434                         {
 435                                 word: 'Wikipédiá',
 436                                 grammarForm: 'ba',
 437                                 expected: 'Wikipédiába',
 438                                 description: 'Grammar test for ba case'
 439                         },
 440                         {
 441                                 word: 'Wikipédiá',
 442                                 grammarForm: 'k',
 443                                 expected: 'Wikipédiák',
 444                                 description: 'Grammar test for k case'
 445                         }
 446                 ],
 447
 448                 ga: [
 449                         {
 450                                 word: 'an Domhnach',
 451                                 grammarForm: 'ainmlae',
 452                                 expected: 'Dé Domhnaigh',
 453                                 description: 'Grammar test for ainmlae case'
 454                         },
 455                         {
 456                                 word: 'an Luan',
 457                                 grammarForm: 'ainmlae',
 458                                 expected: 'Dé Luain',
 459                                 description: 'Grammar test for ainmlae case'
 460                         },
 461                         {
 462                                 word: 'an Satharn',
 463                                 grammarForm: 'ainmlae',
 464                                 expected: 'Dé Sathairn',
 465                                 description: 'Grammar test for ainmlae case'
 466                         }
 467                 ],
 468
 469                 uk: [
 470                         {
 471                                 word: 'Вікіпедія',
 472                                 grammarForm: 'genitive',
 473                                 expected: 'Вікіпедії',
 474                                 description: 'Grammar test for genitive case'
 475                         },
 476                         {
 477                                 word: 'Віківиди',
 478                                 grammarForm: 'genitive',
 479                                 expected: 'Віківидів',
 480                                 description: 'Grammar test for genitive case'
 481                         },
 482                         {
 483                                 word: 'Вікіцитати',
 484                                 grammarForm: 'genitive',
 485                                 expected: 'Вікіцитат',
 486                                 description: 'Grammar test for genitive case'
 487                         },
 488                         {
 489                                 word: 'Вікіпідручник',
 490                                 grammarForm: 'genitive',
 491                                 expected: 'Вікіпідручника',
 492                                 description: 'Grammar test for genitive case'
 493                         },
 494                         {
 495                                 word: 'Вікіпедія',
 496                                 grammarForm: 'accusative',
 497                                 expected: 'Вікіпедію',
 498                                 description: 'Grammar test for accusative case'
 499                         }
 500                 ],
 501
 502                 sl: [
 503                         {
 504                                 word: 'word',
 505                                 grammarForm: 'orodnik',
 506                                 expected: 'z word',
 507                                 description: 'Grammar test for orodnik case'
 508                         },
 509                         {
 510                                 word: 'word',
 511                                 grammarForm: 'mestnik',
 512                                 expected: 'o word',
 513                                 description: 'Grammar test for mestnik case'
 514                         }
 515                 ],
 516
 517                 os: [
 518                         {
 519                                 word: 'бæстæ',
 520                                 grammarForm: 'genitive',
 521                                 expected: 'бæсты',
 522                                 description: 'Grammar test for genitive case'
 523                         },
 524                         {
 525                                 word: 'бæстæ',
 526                                 grammarForm: 'allative',
 527                                 expected: 'бæстæм',
 528                                 description: 'Grammar test for allative case'
 529                         },
 530                         {
 531                                 word: 'Тигр',
 532                                 grammarForm: 'dative',
 533                                 expected: 'Тигрæн',
 534                                 description: 'Grammar test for dative case'
 535                         },
 536                         {
 537                                 word: 'цъити',
 538                                 grammarForm: 'dative',
 539                                 expected: 'цъитийæн',
 540                                 description: 'Grammar test for dative case'
 541                         },
 542                         {
 543                                 word: 'лæппу',
 544                                 grammarForm: 'genitive',
 545                                 expected: 'лæппуйы',
 546                                 description: 'Grammar test for genitive case'
 547                         },
 548                         {
 549                                 word: '2011',
 550                                 grammarForm: 'equative',
 551                                 expected: '2011-ау',
 552                                 description: 'Grammar test for equative case'
 553                         }
 554                 ],
 555
 556                 la: [
 557                         {
 558                                 word: 'Translatio',
 559                                 grammarForm: 'genitive',
 560                                 expected: 'Translationis',
 561                                 description: 'Grammar test for genitive case'
 562                         },
 563                         {
 564                                 word: 'Translatio',
 565                                 grammarForm: 'accusative',
 566                                 expected: 'Translationem',
 567                                 description: 'Grammar test for accusative case'
 568                         },
 569                         {
 570                                 word: 'Translatio',
 571                                 grammarForm: 'ablative',
 572                                 expected: 'Translatione',
 573                                 description: 'Grammar test for ablative case'
 574                         }
 575                 ]
 576         };
 577
 578         $.each( grammarTests, function ( langCode, test ) {
 579                 if ( langCode === mw.config.get( 'wgUserLanguage' ) ) {
 580                         grammarTest( langCode, test );
 581                 }
 582         } );
 583
 584         QUnit.test( 'List to text test', function ( assert ) {
 585                 assert.equal( mw.language.listToText( [] ), '', 'Blank list' );
 586                 assert.equal( mw.language.listToText( [ 'a' ] ), 'a', 'Single item' );
 587                 assert.equal( mw.language.listToText( [ 'a', 'b' ] ), 'a and b', 'Two items' );
 588                 assert.equal( mw.language.listToText( [ 'a', 'b', 'c' ] ), 'a, b and c', 'More than two items' );
 589         } );
 590
 591         bcp47Tests = [
 592                 // Extracted from BCP 47 (list not exhaustive)
 593                 // # 2.1.1
 594                 [ 'en-ca-x-ca', 'en-CA-x-ca' ],
 595                 [ 'sgn-be-fr', 'sgn-BE-FR' ],
 596                 [ 'az-latn-x-latn', 'az-Latn-x-latn' ],
 597                 // # 2.2
 598                 [ 'sr-Latn-RS', 'sr-Latn-RS' ],
 599                 [ 'az-arab-ir', 'az-Arab-IR' ],
 600
 601                 // # 2.2.5
 602                 [ 'sl-nedis', 'sl-nedis' ],
 603                 [ 'de-ch-1996', 'de-CH-1996' ],
 604
 605                 // # 2.2.6
 606                 [
 607                         'en-latn-gb-boont-r-extended-sequence-x-private',
 608                         'en-Latn-GB-boont-r-extended-sequence-x-private'
 609                 ],
 610
 611                 // Examples from BCP 47 Appendix A
 612                 // # Simple language subtag:
 613                 [ 'DE', 'de' ],
 614                 [ 'fR', 'fr' ],
 615                 [ 'ja', 'ja' ],
 616
 617                 // # Language subtag plus script subtag:
 618                 [ 'zh-hans', 'zh-Hans' ],
 619                 [ 'sr-cyrl', 'sr-Cyrl' ],
 620                 [ 'sr-latn', 'sr-Latn' ],
 621
 622                 // # Extended language subtags and their primary language subtag
 623                 // # counterparts:
 624                 [ 'zh-cmn-hans-cn', 'zh-cmn-Hans-CN' ],
 625                 [ 'cmn-hans-cn', 'cmn-Hans-CN' ],
 626                 [ 'zh-yue-hk', 'zh-yue-HK' ],
 627                 [ 'yue-hk', 'yue-HK' ],
 628
 629                 // # Language-Script-Region:
 630                 [ 'zh-hans-cn', 'zh-Hans-CN' ],
 631                 [ 'sr-latn-RS', 'sr-Latn-RS' ],
 632
 633                 // # Language-Variant:
 634                 [ 'sl-rozaj', 'sl-rozaj' ],
 635                 [ 'sl-rozaj-biske', 'sl-rozaj-biske' ],
 636                 [ 'sl-nedis', 'sl-nedis' ],
 637
 638                 // # Language-Region-Variant:
 639                 [ 'de-ch-1901', 'de-CH-1901' ],
 640                 [ 'sl-it-nedis', 'sl-IT-nedis' ],
 641
 642                 // # Language-Script-Region-Variant:
 643                 [ 'hy-latn-it-arevela', 'hy-Latn-IT-arevela' ],
 644
 645                 // # Language-Region:
 646                 [ 'de-de', 'de-DE' ],
 647                 [ 'en-us', 'en-US' ],
 648                 [ 'es-419', 'es-419' ],
 649
 650                 // # Private use subtags:
 651                 [ 'de-ch-x-phonebk', 'de-CH-x-phonebk' ],
 652                 [ 'az-arab-x-aze-derbend', 'az-Arab-x-aze-derbend' ],
 653                 /**
 654                  * Previous test does not reflect the BCP 47 which states:
 655                  *  az-Arab-x-AZE-derbend
 656                  * AZE being private, it should be lower case, hence the test above
 657                  * should probably be:
 658                  * [ 'az-arab-x-aze-derbend', 'az-Arab-x-AZE-derbend' ],
 659                  */
 660
 661                 // # Private use registry values:
 662                 [ 'x-whatever', 'x-whatever' ],
 663                 [ 'qaa-qaaa-qm-x-southern', 'qaa-Qaaa-QM-x-southern' ],
 664                 [ 'de-qaaa', 'de-Qaaa' ],
 665                 [ 'sr-latn-qm', 'sr-Latn-QM' ],
 666                 [ 'sr-qaaa-rs', 'sr-Qaaa-RS' ],
 667
 668                 // # Tags that use extensions
 669                 [ 'en-us-u-islamcal', 'en-US-u-islamcal' ],
 670                 [ 'zh-cn-a-myext-x-private', 'zh-CN-a-myext-x-private' ],
 671                 [ 'en-a-myext-b-another', 'en-a-myext-b-another' ]
 672
 673                 // # Invalid:
 674                 // de-419-DE
 675                 // a-DE
 676                 // ar-a-aaa-b-bbb-a-ccc
 677         ];
 678
 679         QUnit.test( 'mw.language.bcp47', function ( assert ) {
 680                 bcp47Tests.forEach( function ( data ) {
 681                         var input = data[ 0 ],
 682                                 expected = data[ 1 ];
 683                         assert.equal( mw.language.bcp47( input ), expected );
 684                 } );
 685         } );
 686 }( mediaWiki, jQuery ) );