233677a9a5
The static function isWellFormedLanguageTag is related to BCP 47 language codes not to the internal language codes or language names. The new function LanguageCode::isWellFormedLanguageTag uses type hints. THe explicit type cast (bool) is not necessary anymore. The old function Language::isWellFormedLanguageTag is now deprecated. Change-Id: I6431dbd82ed6dfcc2a7c3495eca025506551db05
316 lines
10 KiB
PHP
316 lines
10 KiB
PHP
<?php
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/**
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* @covers LanguageCode
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* @group Language
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*
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* @author Thiemo Kreuz
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*/
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class LanguageCodeTest extends MediaWikiUnitTestCase {
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public function testConstructor() {
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$instance = new LanguageCode();
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$this->assertInstanceOf( LanguageCode::class, $instance );
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}
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public function testGetDeprecatedCodeMapping() {
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$map = LanguageCode::getDeprecatedCodeMapping();
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$this->assertIsArray( $map );
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$this->assertContainsOnly( 'string', array_keys( $map ) );
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$this->assertArrayNotHasKey( '', $map );
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$this->assertContainsOnly( 'string', $map );
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$this->assertNotContains( '', $map );
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// Codes special to MediaWiki should never appear in a map of "deprecated" codes
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$this->assertArrayNotHasKey( 'qqq', $map, 'documentation' );
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$this->assertNotContains( 'qqq', $map, 'documentation' );
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$this->assertArrayNotHasKey( 'qqx', $map, 'debug code' );
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$this->assertNotContains( 'qqx', $map, 'debug code' );
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// Valid language codes that are currently not "deprecated"
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$this->assertArrayNotHasKey( 'bh', $map, 'family of Bihari languages' );
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$this->assertArrayNotHasKey( 'no', $map, 'family of Norwegian languages' );
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$this->assertArrayNotHasKey( 'simple', $map );
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}
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public function testReplaceDeprecatedCodes() {
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$this->assertEquals( 'gsw', LanguageCode::replaceDeprecatedCodes( 'als' ) );
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$this->assertEquals( 'gsw', LanguageCode::replaceDeprecatedCodes( 'gsw' ) );
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$this->assertNull( LanguageCode::replaceDeprecatedCodes( null ) );
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}
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/**
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* test @see LanguageCode::bcp47().
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* Please note the BCP 47 explicitly state that language codes are case
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* insensitive, there are some exceptions to the rule :)
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* This test is used to verify our formatting against all lower and
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* all upper cases language code.
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*
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* @see https://tools.ietf.org/html/bcp47
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* @dataProvider provideLanguageCodes()
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*/
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public function testBcp47( $code, $expected ) {
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$this->assertEquals( $expected, LanguageCode::bcp47( $code ),
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"Applying BCP 47 standard to '$code'"
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);
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$code = strtolower( $code );
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$this->assertEquals( $expected, LanguageCode::bcp47( $code ),
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"Applying BCP 47 standard to lower case '$code'"
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);
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$code = strtoupper( $code );
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$this->assertEquals( $expected, LanguageCode::bcp47( $code ),
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"Applying BCP 47 standard to upper case '$code'"
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);
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}
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/**
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* Array format is ($code, $expected)
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*/
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public static function provideLanguageCodes() {
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return [
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// Extracted from BCP 47 (list not exhaustive)
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# 2.1.1
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[ 'en-ca-x-ca', 'en-CA-x-ca' ],
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[ 'sgn-be-fr', 'sgn-BE-FR' ],
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[ 'az-latn-x-latn', 'az-Latn-x-latn' ],
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# 2.2
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[ 'sr-Latn-RS', 'sr-Latn-RS' ],
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[ 'az-arab-ir', 'az-Arab-IR' ],
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# 2.2.5
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[ 'sl-nedis', 'sl-nedis' ],
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[ 'de-ch-1996', 'de-CH-1996' ],
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# 2.2.6
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[
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'en-latn-gb-boont-r-extended-sequence-x-private',
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'en-Latn-GB-boont-r-extended-sequence-x-private'
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],
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// Examples from BCP 47 Appendix A
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# Simple language subtag:
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[ 'DE', 'de' ],
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[ 'fR', 'fr' ],
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[ 'ja', 'ja' ],
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# Language subtag plus script subtag:
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[ 'zh-hans', 'zh-Hans' ],
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[ 'sr-cyrl', 'sr-Cyrl' ],
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[ 'sr-latn', 'sr-Latn' ],
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# Extended language subtags and their primary language subtag
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# counterparts:
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[ 'zh-cmn-hans-cn', 'zh-cmn-Hans-CN' ],
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[ 'cmn-hans-cn', 'cmn-Hans-CN' ],
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[ 'zh-yue-hk', 'zh-yue-HK' ],
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[ 'yue-hk', 'yue-HK' ],
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# Language-Script-Region:
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[ 'zh-hans-cn', 'zh-Hans-CN' ],
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[ 'sr-latn-RS', 'sr-Latn-RS' ],
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# Language-Variant:
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[ 'sl-rozaj', 'sl-rozaj' ],
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[ 'sl-rozaj-biske', 'sl-rozaj-biske' ],
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[ 'sl-nedis', 'sl-nedis' ],
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# Language-Region-Variant:
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[ 'de-ch-1901', 'de-CH-1901' ],
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[ 'sl-it-nedis', 'sl-IT-nedis' ],
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# Language-Script-Region-Variant:
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[ 'hy-latn-it-arevela', 'hy-Latn-IT-arevela' ],
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# Language-Region:
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[ 'de-de', 'de-DE' ],
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[ 'en-us', 'en-US' ],
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[ 'es-419', 'es-419' ],
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# Private use subtags:
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[ 'de-ch-x-phonebk', 'de-CH-x-phonebk' ],
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[ 'az-arab-x-aze-derbend', 'az-Arab-x-aze-derbend' ],
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/**
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* Previous test does not reflect the BCP 47 which states:
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* az-Arab-x-AZE-derbend
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* AZE being private, it should be lower case, hence the test above
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* should probably be:
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* [ 'az-arab-x-aze-derbend', 'az-Arab-x-AZE-derbend' ],
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*/
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# Private use registry values:
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[ 'x-whatever', 'x-whatever' ],
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[ 'qaa-qaaa-qm-x-southern', 'qaa-Qaaa-QM-x-southern' ],
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[ 'de-qaaa', 'de-Qaaa' ],
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[ 'sr-latn-qm', 'sr-Latn-QM' ],
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[ 'sr-qaaa-rs', 'sr-Qaaa-RS' ],
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# Tags that use extensions
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[ 'en-us-u-islamcal', 'en-US-u-islamcal' ],
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[ 'zh-cn-a-myext-x-private', 'zh-CN-a-myext-x-private' ],
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[ 'en-a-myext-b-another', 'en-a-myext-b-another' ],
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# Invalid:
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// de-419-DE
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// a-DE
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// ar-a-aaa-b-bbb-a-ccc
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# Non-standard and deprecated language codes used by MediaWiki
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[ 'als', 'gsw' ],
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[ 'bat-smg', 'sgs' ],
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[ 'be-x-old', 'be-tarask' ],
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[ 'fiu-vro', 'vro' ],
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[ 'roa-rup', 'rup' ],
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[ 'zh-classical', 'lzh' ],
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[ 'zh-min-nan', 'nan' ],
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[ 'zh-yue', 'yue' ],
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[ 'cbk-zam', 'cbk' ],
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[ 'de-formal', 'de-x-formal' ],
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[ 'eml', 'egl' ],
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[ 'en-rtl', 'en-x-rtl' ],
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[ 'es-formal', 'es-x-formal' ],
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[ 'hu-formal', 'hu-x-formal' ],
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[ 'kk-Arab', 'kk-Arab' ],
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[ 'kk-Cyrl', 'kk-Cyrl' ],
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[ 'kk-Latn', 'kk-Latn' ],
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[ 'map-bms', 'jv-x-bms' ],
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[ 'mo', 'ro-Cyrl-MD' ],
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[ 'nrm', 'nrf' ],
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[ 'nl-informal', 'nl-x-informal' ],
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[ 'roa-tara', 'nap-x-tara' ],
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[ 'simple', 'en-simple' ],
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[ 'sr-ec', 'sr-Cyrl' ],
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[ 'sr-el', 'sr-Latn' ],
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[ 'zh-cn', 'zh-Hans-CN' ],
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[ 'zh-sg', 'zh-Hans-SG' ],
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[ 'zh-my', 'zh-Hans-MY' ],
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[ 'zh-tw', 'zh-Hant-TW' ],
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[ 'zh-hk', 'zh-Hant-HK' ],
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[ 'zh-mo', 'zh-Hant-MO' ],
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[ 'zh-hans', 'zh-Hans' ],
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[ 'zh-hant', 'zh-Hant' ],
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];
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}
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/**
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* Test LanguageCode::isWellFormedLanguageTag()
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* @dataProvider provideWellFormedLanguageTags
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* @covers LanguageCode::isWellFormedLanguageTag
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*/
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public function testWellFormedLanguageTag( $code, $message = '' ) {
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$this->assertTrue(
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LanguageCode::isWellFormedLanguageTag( $code ),
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"validating code $code $message"
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);
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}
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/**
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* The test cases are based on the tests in the GaBuZoMeu parser
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* written by Stéphane Bortzmeyer <bortzmeyer@nic.fr>
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* and distributed as free software, under the GNU General Public Licence.
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* https://www.bortzmeyer.org/gabuzomeu-parsing-language-tags.html
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*/
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public static function provideWellFormedLanguageTags() {
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return [
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[ 'fr', 'two-letter code' ],
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[ 'fr-latn', 'two-letter code with lower case script code' ],
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[ 'fr-Latn-FR', 'two-letter code with title case script code and uppercase country code' ],
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[ 'fr-Latn-419', 'two-letter code with title case script code and region number' ],
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[ 'fr-FR', 'two-letter code with uppercase' ],
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[ 'ax-TZ', 'Not in the registry, but well-formed' ],
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[ 'fr-shadok', 'two-letter code with variant' ],
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[ 'fr-y-myext-myext2', 'non-x singleton' ],
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[ 'fra-Latn', 'ISO 639 can be 3-letters' ],
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[ 'fra', 'three-letter language code' ],
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[ 'fra-FX', 'three-letter language code with country code' ],
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[ 'i-klingon', 'grandfathered with singleton' ],
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[ 'I-kLINgon', 'tags are case-insensitive...' ],
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[ 'no-bok', 'grandfathered without singleton' ],
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[ 'i-enochian', 'Grandfathered' ],
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[ 'x-fr-CH', 'private use' ],
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[ 'es-419', 'two-letter code with region number' ],
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[ 'en-Latn-GB-boont-r-extended-sequence-x-private', 'weird, but well-formed' ],
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[ 'ab-x-abc-x-abc', 'anything goes after x' ],
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[ 'ab-x-abc-a-a', 'anything goes after x, including several non-x singletons' ],
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[ 'i-default', 'grandfathered' ],
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[ 'abcd-Latn', 'Language of 4 chars reserved for future use' ],
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[ 'AaBbCcDd-x-y-any-x', 'Language of 5-8 chars, registered' ],
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[ 'de-CH-1901', 'with country and year' ],
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[ 'en-US-x-twain', 'with country and singleton' ],
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[ 'zh-cmn', 'three-letter variant' ],
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[ 'zh-cmn-Hant', 'three-letter variant and script' ],
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[ 'zh-cmn-Hant-HK', 'three-letter variant, script and country' ],
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[ 'xr-p-lze', 'Extension' ],
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];
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}
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/**
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* Negative test for LanguageCode::isWellFormedLanguageTag()
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* @dataProvider provideMalformedLanguageTags
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* @covers LanguageCode::isWellFormedLanguageTag
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*/
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public function testMalformedLanguageTag( $code, $message = '' ) {
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$this->assertFalse(
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LanguageCode::isWellFormedLanguageTag( $code ),
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"validating that code $code is a malformed language tag - $message"
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);
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}
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/**
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* The test cases are based on the tests in the GaBuZoMeu parser
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* written by Stéphane Bortzmeyer <bortzmeyer@nic.fr>
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* and distributed as free software, under the GNU General Public Licence.
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* https://www.bortzmeyer.org/gabuzomeu-parsing-language-tags.html
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*/
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public static function provideMalformedLanguageTags() {
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return [
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[ 'f', 'language too short' ],
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[ 'f-Latn', 'language too short with script' ],
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[ 'xr-lxs-qut', 'variants too short' ], # extlangS
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[ 'fr-Latn-F', 'region too short' ],
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[ 'a-value', 'language too short with region' ],
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[ 'tlh-a-b-foo', 'valid three-letter with wrong variant' ],
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[
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'i-notexist',
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'grandfathered but not registered: invalid, even if we only test well-formedness'
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],
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[ 'abcdefghi-012345678', 'numbers too long' ],
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[ 'ab-abc-abc-abc-abc', 'invalid extensions' ],
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[ 'ab-abcd-abc', 'invalid extensions' ],
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[ 'ab-ab-abc', 'invalid extensions' ],
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[ 'ab-123-abc', 'invalid extensions' ],
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[ 'a-Hant-ZH', 'short language with valid extensions' ],
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[ 'a1-Hant-ZH', 'invalid character in language' ],
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[ 'ab-abcde-abc', 'invalid extensions' ],
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[ 'ab-1abc-abc', 'invalid characters in extensions' ],
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[ 'ab-ab-abcd', 'invalid order of extensions' ],
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[ 'ab-123-abcd', 'invalid order of extensions' ],
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[ 'ab-abcde-abcd', 'invalid extensions' ],
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[ 'ab-1abc-abcd', 'invalid characters in extensions' ],
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[ 'ab-a-b', 'extensions too short' ],
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[ 'ab-a-x', 'extensions too short, even with singleton' ],
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[ 'ab--ab', 'two separators' ],
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[ 'ab-abc-', 'separator in the end' ],
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[ '-ab-abc', 'separator in the beginning' ],
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[ 'abcd-efg', 'language too long' ],
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[ 'aabbccddE', 'tag too long' ],
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[ 'pa_guru', 'A tag with underscore is invalid in strict mode' ],
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[ 'de-f', 'subtag too short' ],
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];
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}
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/**
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* Negative test for LanguageCode::isWellFormedLanguageTag()
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* @covers LanguageCode::isWellFormedLanguageTag
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*/
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public function testLenientLanguageTag() {
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$this->assertTrue(
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LanguageCode::isWellFormedLanguageTag( 'pa_guru', true ),
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'pa_guru is a well-formed language tag in lenient mode'
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);
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}
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}
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