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.language.setData( 'en', 'minimumGroupingDigits', null );
  53                 mw.config.set( 'wgUserLanguage', 'en' );
  54                 mw.config.set( 'wgTranslateNumerals', true );
  55
  56                 assert.equal( mw.language.convertNumber( 180 ), '180', 'formatting 3-digit' );
  57                 assert.equal( mw.language.convertNumber( 1800 ), '1.800', 'formatting 4-digit' );
  58                 assert.equal( mw.language.convertNumber( 18000 ), '18.000', 'formatting 5-digit' );
  59
  60                 assert.equal( mw.language.convertNumber( '1.800', true ), '1800', 'unformatting' );
  61
  62                 mw.language.setData( 'en', 'minimumGroupingDigits', 2 );
  63                 assert.equal( mw.language.convertNumber( 180 ), '180', 'formatting 3-digit with minimumGroupingDigits=2' );
  64                 assert.equal( mw.language.convertNumber( 1800 ), '1800', 'formatting 4-digit with minimumGroupingDigits=2' );
  65                 assert.equal( mw.language.convertNumber( 18000 ), '18.000', 'formatting 5-digit with minimumGroupingDigits=2' );
  66         } );
  67
  68         QUnit.test( 'mw.language.convertNumber - digitTransformTable', function ( assert ) {
  69                 mw.config.set( 'wgUserLanguage', 'hi' );
  70                 mw.config.set( 'wgTranslateNumerals', true );
  71                 mw.language.setData( 'hi', 'digitGroupingPattern', null );
  72                 mw.language.setData( 'hi', 'separatorTransformTable', { ',': '.', '.': ',' } );
  73                 mw.language.setData( 'hi', 'minimumGroupingDigits', null );
  74
  75                 // Example from Hindi (MessagesHi.php)
  76                 mw.language.setData( 'hi', 'digitTransformTable', {
  77                         0: '०',
  78                         1: '१',
  79                         2: '२'
  80                 } );
  81
  82                 assert.equal( mw.language.convertNumber( 1200 ), '१.२००', 'format' );
  83                 assert.equal( mw.language.convertNumber( '१.२००', true ), '1200', 'unformat from digit transform' );
  84                 assert.equal( mw.language.convertNumber( '1.200', true ), '1200', 'unformat plain' );
  85
  86                 mw.config.set( 'wgTranslateNumerals', false );
  87
  88                 assert.equal( mw.language.convertNumber( 1200 ), '1.200', 'format (digit transform disabled)' );
  89                 assert.equal( mw.language.convertNumber( '१.२००', true ), '1200', 'unformat from digit transform (when disabled)' );
  90                 assert.equal( mw.language.convertNumber( '1.200', true ), '1200', 'unformat plain (digit transform disabled)' );
  91         } );
  92
  93         function grammarTest( langCode, test ) {
  94                 // The test works only if the content language is opt.language
  95                 // because it requires [lang].js to be loaded.
  96                 QUnit.test( 'Grammar test for lang=' + langCode, function ( assert ) {
  97                         var i;
  98                         for ( i = 0; i < test.length; i++ ) {
  99                                 assert.equal(
 100                                         mw.language.convertGrammar( test[ i ].word, test[ i ].grammarForm ),
 101                                         test[ i ].expected,
 102                                         test[ i ].description
 103                                 );
 104                         }
 105                 } );
 106         }
 107
 108         // These tests run only for the current UI language.
 109         grammarTests = {
 110                 bs: [
 111                         {
 112                                 word: 'word',
 113                                 grammarForm: 'instrumental',
 114                                 expected: 's word',
 115                                 description: 'Grammar test for instrumental case'
 116                         },
 117                         {
 118                                 word: 'word',
 119                                 grammarForm: 'lokativ',
 120                                 expected: 'o word',
 121                                 description: 'Grammar test for lokativ case'
 122                         }
 123                 ],
 124
 125                 he: [
 126                         {
 127                                 word: 'ויקיפדיה',
 128                                 grammarForm: 'prefixed',
 129                                 expected: 'וויקיפדיה',
 130                                 description: 'Duplicate the "Waw" if prefixed'
 131                         },
 132                         {
 133                                 word: 'וולפגנג',
 134                                 grammarForm: 'prefixed',
 135                                 expected: 'וולפגנג',
 136                                 description: 'Duplicate the "Waw" if prefixed, but not if it is already duplicated.'
 137                         },
 138                         {
 139                                 word: 'הקובץ',
 140                                 grammarForm: 'prefixed',
 141                                 expected: 'קובץ',
 142                                 description: 'Remove the "He" if prefixed'
 143                         },
 144                         {
 145                                 word: 'Wikipedia',
 146                                 grammarForm: 'תחילית',
 147                                 expected: '־Wikipedia',
 148                                 description: 'Add a hyphen (maqaf) before non-Hebrew letters'
 149                         },
 150                         {
 151                                 word: '1995',
 152                                 grammarForm: 'תחילית',
 153                                 expected: '־1995',
 154                                 description: 'Add a hyphen (maqaf) before numbers'
 155                         }
 156                 ],
 157
 158                 hsb: [
 159                         {
 160                                 word: 'word',
 161                                 grammarForm: 'instrumental',
 162                                 expected: 'z word',
 163                                 description: 'Grammar test for instrumental case'
 164                         },
 165                         {
 166                                 word: 'word',
 167                                 grammarForm: 'lokatiw',
 168                                 expected: 'wo word',
 169                                 description: 'Grammar test for lokatiw case'
 170                         }
 171                 ],
 172
 173                 dsb: [
 174                         {
 175                                 word: 'word',
 176                                 grammarForm: 'instrumental',
 177                                 expected: 'z word',
 178                                 description: 'Grammar test for instrumental case'
 179                         },
 180                         {
 181                                 word: 'word',
 182                                 grammarForm: 'lokatiw',
 183                                 expected: 'wo word',
 184                                 description: 'Grammar test for lokatiw case'
 185                         }
 186                 ],
 187
 188                 hy: [
 189                         {
 190                                 word: 'Մաունա',
 191                                 grammarForm: 'genitive',
 192                                 expected: 'Մաունայի',
 193                                 description: 'Grammar test for genitive case'
 194                         },
 195                         {
 196                                 word: 'հետո',
 197                                 grammarForm: 'genitive',
 198                                 expected: 'հետոյի',
 199                                 description: 'Grammar test for genitive case'
 200                         },
 201                         {
 202                                 word: 'գիրք',
 203                                 grammarForm: 'genitive',
 204                                 expected: 'գրքի',
 205                                 description: 'Grammar test for genitive case'
 206                         },
 207                         {
 208                                 word: 'ժամանակի',
 209                                 grammarForm: 'genitive',
 210                                 expected: 'ժամանակիի',
 211                                 description: 'Grammar test for genitive case'
 212                         }
 213                 ],
 214
 215                 fi: [
 216                         {
 217                                 word: 'talo',
 218                                 grammarForm: 'genitive',
 219                                 expected: 'talon',
 220                                 description: 'Grammar test for genitive case'
 221                         },
 222                         {
 223                                 word: 'linux',
 224                                 grammarForm: 'genitive',
 225                                 expected: 'linuxin',
 226                                 description: 'Grammar test for genitive case'
 227                         },
 228                         {
 229                                 word: 'talo',
 230                                 grammarForm: 'elative',
 231                                 expected: 'talosta',
 232                                 description: 'Grammar test for elative case'
 233                         },
 234                         {
 235                                 word: 'pastöroitu',
 236                                 grammarForm: 'partitive',
 237                                 expected: 'pastöroitua',
 238                                 description: 'Grammar test for partitive case'
 239                         },
 240                         {
 241                                 word: 'talo',
 242                                 grammarForm: 'partitive',
 243                                 expected: 'taloa',
 244                                 description: 'Grammar test for partitive case'
 245                         },
 246                         {
 247                                 word: 'talo',
 248                                 grammarForm: 'illative',
 249                                 expected: 'taloon',
 250                                 description: 'Grammar test for illative case'
 251                         },
 252                         {
 253                                 word: 'linux',
 254                                 grammarForm: 'inessive',
 255                                 expected: 'linuxissa',
 256                                 description: 'Grammar test for inessive case'
 257                         }
 258                 ],
 259
 260                 ru: [
 261                         {
 262                                 word: 'тесть',
 263                                 grammarForm: 'genitive',
 264                                 expected: 'тестя',
 265                                 description: 'Grammar test for genitive case, тесть -> тестя'
 266                         },
 267                         {
 268                                 word: 'привилегия',
 269                                 grammarForm: 'genitive',
 270                                 expected: 'привилегии',
 271                                 description: 'Grammar test for genitive case, привилегия -> привилегии'
 272                         },
 273                         {
 274                                 word: 'установка',
 275                                 grammarForm: 'genitive',
 276                                 expected: 'установки',
 277                                 description: 'Grammar test for genitive case, установка -> установки'
 278                         },
 279                         {
 280                                 word: 'похоти',
 281                                 grammarForm: 'genitive',
 282                                 expected: 'похотей',
 283                                 description: 'Grammar test for genitive case, похоти -> похотей'
 284                         },
 285                         {
 286                                 word: 'доводы',
 287                                 grammarForm: 'genitive',
 288                                 expected: 'доводов',
 289                                 description: 'Grammar test for genitive case, доводы -> доводов'
 290                         },
 291                         {
 292                                 word: 'песчаник',
 293                                 grammarForm: 'genitive',
 294                                 expected: 'песчаника',
 295                                 description: 'Grammar test for genitive case, песчаник -> песчаника'
 296                         },
 297                         {
 298                                 word: 'данные',
 299                                 grammarForm: 'genitive',
 300                                 expected: 'данных',
 301                                 description: 'Grammar test for genitive case, данные -> данных'
 302                         },
 303                         {
 304                                 word: 'тесть',
 305                                 grammarForm: 'prepositional',
 306                                 expected: 'тесте',
 307                                 description: 'Grammar test for prepositional case, тесть -> тесте'
 308                         },
 309                         {
 310                                 word: 'привилегия',
 311                                 grammarForm: 'prepositional',
 312                                 expected: 'привилегии',
 313                                 description: 'Grammar test for prepositional case, привилегия -> привилегии'
 314                         },
 315                         {
 316                                 word: 'установка',
 317                                 grammarForm: 'prepositional',
 318                                 expected: 'установке',
 319                                 description: 'Grammar test for prepositional case, установка -> установке'
 320                         },
 321                         {
 322                                 word: 'похоти',
 323                                 grammarForm: 'prepositional',
 324                                 expected: 'похотях',
 325                                 description: 'Grammar test for prepositional case, похоти -> похотях'
 326                         },
 327                         {
 328                                 word: 'доводы',
 329                                 grammarForm: 'prepositional',
 330                                 expected: 'доводах',
 331                                 description: 'Grammar test for prepositional case, доводы -> доводах'
 332                         },
 333                         {
 334                                 word: 'Викисклад',
 335                                 grammarForm: 'prepositional',
 336                                 expected: 'Викискладе',
 337                                 description: 'Grammar test for prepositional case, Викисклад -> Викискладе'
 338                         },
 339                         {
 340                                 word: 'Викисклад',
 341                                 grammarForm: 'genitive',
 342                                 expected: 'Викисклада',
 343                                 description: 'Grammar test for genitive case, Викисклад -> Викисклада'
 344                         },
 345                         {
 346                                 word: 'песчаник',
 347                                 grammarForm: 'prepositional',
 348                                 expected: 'песчанике',
 349                                 description: 'Grammar test for prepositional case, песчаник -> песчанике'
 350                         },
 351                         {
 352                                 word: 'данные',
 353                                 grammarForm: 'prepositional',
 354                                 expected: 'данных',
 355                                 description: 'Grammar test for prepositional case, данные -> данных'
 356                         },
 357                         {
 358                                 word: 'русский',
 359                                 grammarForm: 'languagegen',
 360                                 expected: 'русского',
 361                                 description: 'Grammar test for languagegen case, русский -> русского'
 362                         },
 363                         {
 364                                 word: 'немецкий',
 365                                 grammarForm: 'languagegen',
 366                                 expected: 'немецкого',
 367                                 description: 'Grammar test for languagegen case, немецкий -> немецкого'
 368                         },
 369                         {
 370                                 word: 'иврит',
 371                                 grammarForm: 'languagegen',
 372                                 expected: 'иврита',
 373                                 description: 'Grammar test for languagegen case, иврит -> иврита'
 374                         },
 375                         {
 376                                 word: 'эсперанто',
 377                                 grammarForm: 'languagegen',
 378                                 expected: 'эсперанто',
 379                                 description: 'Grammar test for languagegen case, эсперанто -> эсперанто'
 380                         },
 381                         {
 382                                 word: 'русский',
 383                                 grammarForm: 'languageprep',
 384                                 expected: 'русском',
 385                                 description: 'Grammar test for languageprep case, русский -> русском'
 386                         },
 387                         {
 388                                 word: 'немецкий',
 389                                 grammarForm: 'languageprep',
 390                                 expected: 'немецком',
 391                                 description: 'Grammar test for languageprep case, немецкий -> немецком'
 392                         },
 393                         {
 394                                 word: 'идиш',
 395                                 grammarForm: 'languageprep',
 396                                 expected: 'идише',
 397                                 description: 'Grammar test for languageprep case, идиш -> идише'
 398                         },
 399                         {
 400                                 word: 'эсперанто',
 401                                 grammarForm: 'languageprep',
 402                                 expected: 'эсперанто',
 403                                 description: 'Grammar test for languageprep case, эсперанто -> эсперанто'
 404                         },
 405                         {
 406                                 word: 'русский',
 407                                 grammarForm: 'languageadverb',
 408                                 expected: 'по-русски',
 409                                 description: 'Grammar test for languageadverb case, русский -> по-русски'
 410                         },
 411                         {
 412                                 word: 'немецкий',
 413                                 grammarForm: 'languageadverb',
 414                                 expected: 'по-немецки',
 415                                 description: 'Grammar test for languageadverb case, немецкий -> по-немецки'
 416                         },
 417                         {
 418                                 word: 'иврит',
 419                                 grammarForm: 'languageadverb',
 420                                 expected: 'на иврите',
 421                                 description: 'Grammar test for languageadverb case, иврит -> на иврите'
 422                         },
 423                         {
 424                                 word: 'эсперанто',
 425                                 grammarForm: 'languageadverb',
 426                                 expected: 'на эсперанто',
 427                                 description: 'Grammar test for languageadverb case, эсперанто -> на эсперанто'
 428                         },
 429                         {
 430                                 word: 'гуарани',
 431                                 grammarForm: 'languageadverb',
 432                                 expected: 'на языке гуарани',
 433                                 description: 'Grammar test for languageadverb case, гуарани -> на языке гуарани'
 434                         }
 435                 ],
 436
 437                 hu: [
 438                         {
 439                                 word: 'Wikipédiá',
 440                                 grammarForm: 'rol',
 441                                 expected: 'Wikipédiáról',
 442                                 description: 'Grammar test for rol case'
 443                         },
 444                         {
 445                                 word: 'Wikipédiá',
 446                                 grammarForm: 'ba',
 447                                 expected: 'Wikipédiába',
 448                                 description: 'Grammar test for ba case'
 449                         },
 450                         {
 451                                 word: 'Wikipédiá',
 452                                 grammarForm: 'k',
 453                                 expected: 'Wikipédiák',
 454                                 description: 'Grammar test for k case'
 455                         }
 456                 ],
 457
 458                 ga: [
 459                         {
 460                                 word: 'an Domhnach',
 461                                 grammarForm: 'ainmlae',
 462                                 expected: 'Dé Domhnaigh',
 463                                 description: 'Grammar test for ainmlae case'
 464                         },
 465                         {
 466                                 word: 'an Luan',
 467                                 grammarForm: 'ainmlae',
 468                                 expected: 'Dé Luain',
 469                                 description: 'Grammar test for ainmlae case'
 470                         },
 471                         {
 472                                 word: 'an Satharn',
 473                                 grammarForm: 'ainmlae',
 474                                 expected: 'Dé Sathairn',
 475                                 description: 'Grammar test for ainmlae case'
 476                         }
 477                 ],
 478
 479                 uk: [
 480                         {
 481                                 word: 'Вікіпедія',
 482                                 grammarForm: 'genitive',
 483                                 expected: 'Вікіпедії',
 484                                 description: 'Grammar test for genitive case'
 485                         },
 486                         {
 487                                 word: 'Віківиди',
 488                                 grammarForm: 'genitive',
 489                                 expected: 'Віківидів',
 490                                 description: 'Grammar test for genitive case'
 491                         },
 492                         {
 493                                 word: 'Вікіцитати',
 494                                 grammarForm: 'genitive',
 495                                 expected: 'Вікіцитат',
 496                                 description: 'Grammar test for genitive case'
 497                         },
 498                         {
 499                                 word: 'Вікіпідручник',
 500                                 grammarForm: 'genitive',
 501                                 expected: 'Вікіпідручника',
 502                                 description: 'Grammar test for genitive case'
 503                         },
 504                         {
 505                                 word: 'Вікіпедія',
 506                                 grammarForm: 'accusative',
 507                                 expected: 'Вікіпедію',
 508                                 description: 'Grammar test for accusative case'
 509                         }
 510                 ],
 511
 512                 sl: [
 513                         {
 514                                 word: 'word',
 515                                 grammarForm: 'orodnik',
 516                                 expected: 'z word',
 517                                 description: 'Grammar test for orodnik case'
 518                         },
 519                         {
 520                                 word: 'word',
 521                                 grammarForm: 'mestnik',
 522                                 expected: 'o word',
 523                                 description: 'Grammar test for mestnik case'
 524                         }
 525                 ],
 526
 527                 os: [
 528                         {
 529                                 word: 'бæстæ',
 530                                 grammarForm: 'genitive',
 531                                 expected: 'бæсты',
 532                                 description: 'Grammar test for genitive case'
 533                         },
 534                         {
 535                                 word: 'бæстæ',
 536                                 grammarForm: 'allative',
 537                                 expected: 'бæстæм',
 538                                 description: 'Grammar test for allative case'
 539                         },
 540                         {
 541                                 word: 'Тигр',
 542                                 grammarForm: 'dative',
 543                                 expected: 'Тигрæн',
 544                                 description: 'Grammar test for dative case'
 545                         },
 546                         {
 547                                 word: 'цъити',
 548                                 grammarForm: 'dative',
 549                                 expected: 'цъитийæн',
 550                                 description: 'Grammar test for dative case'
 551                         },
 552                         {
 553                                 word: 'лæппу',
 554                                 grammarForm: 'genitive',
 555                                 expected: 'лæппуйы',
 556                                 description: 'Grammar test for genitive case'
 557                         },
 558                         {
 559                                 word: '2011',
 560                                 grammarForm: 'equative',
 561                                 expected: '2011-ау',
 562                                 description: 'Grammar test for equative case'
 563                         }
 564                 ],
 565
 566                 la: [
 567                         {
 568                                 word: 'Translatio',
 569                                 grammarForm: 'genitive',
 570                                 expected: 'Translationis',
 571                                 description: 'Grammar test for genitive case'
 572                         },
 573                         {
 574                                 word: 'Translatio',
 575                                 grammarForm: 'accusative',
 576                                 expected: 'Translationem',
 577                                 description: 'Grammar test for accusative case'
 578                         },
 579                         {
 580                                 word: 'Translatio',
 581                                 grammarForm: 'ablative',
 582                                 expected: 'Translatione',
 583                                 description: 'Grammar test for ablative case'
 584                         }
 585                 ]
 586         };
 587
 588         $.each( grammarTests, function ( langCode, test ) {
 589                 if ( langCode === mw.config.get( 'wgUserLanguage' ) ) {
 590                         grammarTest( langCode, test );
 591                 }
 592         } );
 593
 594         QUnit.test( 'List to text test', function ( assert ) {
 595                 assert.equal( mw.language.listToText( [] ), '', 'Blank list' );
 596                 assert.equal( mw.language.listToText( [ 'a' ] ), 'a', 'Single item' );
 597                 assert.equal( mw.language.listToText( [ 'a', 'b' ] ), 'a and b', 'Two items' );
 598                 assert.equal( mw.language.listToText( [ 'a', 'b', 'c' ] ), 'a, b and c', 'More than two items' );
 599         } );
 600
 601         bcp47Tests = [
 602                 // Extracted from BCP 47 (list not exhaustive)
 603                 // # 2.1.1
 604                 [ 'en-ca-x-ca', 'en-CA-x-ca' ],
 605                 [ 'sgn-be-fr', 'sgn-BE-FR' ],
 606                 [ 'az-latn-x-latn', 'az-Latn-x-latn' ],
 607                 // # 2.2
 608                 [ 'sr-Latn-RS', 'sr-Latn-RS' ],
 609                 [ 'az-arab-ir', 'az-Arab-IR' ],
 610
 611                 // # 2.2.5
 612                 [ 'sl-nedis', 'sl-nedis' ],
 613                 [ 'de-ch-1996', 'de-CH-1996' ],
 614
 615                 // # 2.2.6
 616                 [
 617                         'en-latn-gb-boont-r-extended-sequence-x-private',
 618                         'en-Latn-GB-boont-r-extended-sequence-x-private'
 619                 ],
 620
 621                 // Examples from BCP 47 Appendix A
 622                 // # Simple language subtag:
 623                 [ 'DE', 'de' ],
 624                 [ 'fR', 'fr' ],
 625                 [ 'ja', 'ja' ],
 626
 627                 // # Language subtag plus script subtag:
 628                 [ 'zh-hans', 'zh-Hans' ],
 629                 [ 'sr-cyrl', 'sr-Cyrl' ],
 630                 [ 'sr-latn', 'sr-Latn' ],
 631
 632                 // # Extended language subtags and their primary language subtag
 633                 // # counterparts:
 634                 [ 'zh-cmn-hans-cn', 'zh-cmn-Hans-CN' ],
 635                 [ 'cmn-hans-cn', 'cmn-Hans-CN' ],
 636                 [ 'zh-yue-hk', 'zh-yue-HK' ],
 637                 [ 'yue-hk', 'yue-HK' ],
 638
 639                 // # Language-Script-Region:
 640                 [ 'zh-hans-cn', 'zh-Hans-CN' ],
 641                 [ 'sr-latn-RS', 'sr-Latn-RS' ],
 642
 643                 // # Language-Variant:
 644                 [ 'sl-rozaj', 'sl-rozaj' ],
 645                 [ 'sl-rozaj-biske', 'sl-rozaj-biske' ],
 646                 [ 'sl-nedis', 'sl-nedis' ],
 647
 648                 // # Language-Region-Variant:
 649                 [ 'de-ch-1901', 'de-CH-1901' ],
 650                 [ 'sl-it-nedis', 'sl-IT-nedis' ],
 651
 652                 // # Language-Script-Region-Variant:
 653                 [ 'hy-latn-it-arevela', 'hy-Latn-IT-arevela' ],
 654
 655                 // # Language-Region:
 656                 [ 'de-de', 'de-DE' ],
 657                 [ 'en-us', 'en-US' ],
 658                 [ 'es-419', 'es-419' ],
 659
 660                 // # Private use subtags:
 661                 [ 'de-ch-x-phonebk', 'de-CH-x-phonebk' ],
 662                 [ 'az-arab-x-aze-derbend', 'az-Arab-x-aze-derbend' ],
 663                 /**
 664                  * Previous test does not reflect the BCP 47 which states:
 665                  *  az-Arab-x-AZE-derbend
 666                  * AZE being private, it should be lower case, hence the test above
 667                  * should probably be:
 668                  * [ 'az-arab-x-aze-derbend', 'az-Arab-x-AZE-derbend' ],
 669                  */
 670
 671                 // # Private use registry values:
 672                 [ 'x-whatever', 'x-whatever' ],
 673                 [ 'qaa-qaaa-qm-x-southern', 'qaa-Qaaa-QM-x-southern' ],
 674                 [ 'de-qaaa', 'de-Qaaa' ],
 675                 [ 'sr-latn-qm', 'sr-Latn-QM' ],
 676                 [ 'sr-qaaa-rs', 'sr-Qaaa-RS' ],
 677
 678                 // # Tags that use extensions
 679                 [ 'en-us-u-islamcal', 'en-US-u-islamcal' ],
 680                 [ 'zh-cn-a-myext-x-private', 'zh-CN-a-myext-x-private' ],
 681                 [ 'en-a-myext-b-another', 'en-a-myext-b-another' ]
 682
 683                 // # Invalid:
 684                 // de-419-DE
 685                 // a-DE
 686                 // ar-a-aaa-b-bbb-a-ccc
 687         ];
 688
 689         QUnit.test( 'mw.language.bcp47', function ( assert ) {
 690                 bcp47Tests.forEach( function ( data ) {
 691                         var input = data[ 0 ],
 692                                 expected = data[ 1 ];
 693                         assert.equal( mw.language.bcp47( input ), expected );
 694                 } );
 695         } );
 696 }( mediaWiki, jQuery ) );