<?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' 
		) );
	}
}

// vim: et sw=4 sts=4