CollationFaTest.php

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<?php
class CollationFaTest extends MediaWikiTestCase {
 
    /*
     * The ordering is a weird hack designed to work only with a very
     * specific version of libicu, and as such can't really be unit tested
     * against a random version of libicu
     */
 
    public function setUp() {
        parent::setUp();
        if ( !extension_loaded( 'intl' ) ) {
            $this->markTestSkipped( "PHP extension 'intl' is not loaded, skipping." );
        }
    }
 
    public function testGetFirstLetter( $letter, $str ) {
        $coll = new CollationFa;
        $this->assertEquals( $letter, $coll->getFirstLetter( $str ), $str );
    }
 
    public function provideGetFirstLetter() {
        return [
            [
                '۷',
                '۷'
            ],
            [
                'ا',
                'ا'
            ],
            [
                'ا',
                'ایران'
            ],
            [
                'ب',
                'برلین'
            ],
            [
                'و',
                'واو'
            ],
            [ "\xd8\xa7", "\xd8\xa7Foo" ],
            [ "\xd9\x88", "\xd9\x88Foo" ],
            [ "\xd9\xb2", "\xd9\xb2Foo" ],
            [ "\xd9\xb3", "\xd9\xb3Foo" ],
        ];
    }
}