htmlpurifier/tests/HTMLPurifier/AttrTransform/LangTest.php

<?php

class HTMLPurifier_AttrTransform_LangTest
    extends HTMLPurifier_AttrTransformHarness
{

    public function setUp()
    {
        parent::setUp();
        $this->obj = new HTMLPurifier_AttrTransform_Lang();
    }

    public function testEmptyInput()
    {
        $this->assertResult(array());
    }

    public function testCopyLangToXMLLang()
    {
        $this->assertResult(
            array('lang' => 'en'),
            array('lang' => 'en', 'xml:lang' => 'en')
        );
    }

    public function testPreserveAttributes()
    {
        $this->assertResult(
            array('src' => 'vert.png', 'lang' => 'fr'),
            array('src' => 'vert.png', 'lang' => 'fr', 'xml:lang' => 'fr')
        );
    }

    public function testCopyXMLLangToLang()
    {
        $this->assertResult(
            array('xml:lang' => 'en'),
            array('xml:lang' => 'en', 'lang' => 'en')
        );
    }

    public function testXMLLangOverridesLang()
    {
        $this->assertResult(
            array('lang' => 'fr', 'xml:lang' => 'de'),
            array('lang' => 'de', 'xml:lang' => 'de')
        );
    }

}

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