public function test_mergeInAttrIncludes()
{
$module = new HTMLPurifier_HTMLModule();
$attr = array();
$module->mergeInAttrIncludes($attr, 'Common');
$this->assertIdentical($attr, array(0 => array('Common')));
$attr = array('a' => 'b');
$module->mergeInAttrIncludes($attr, array('Common', 'Good'));
$this->assertIdentical($attr, array('a' => 'b', 0 => array('Common', 'Good')));
}