public function test_addModule()
{
$manager = $this->createManager();
// ...but we add user modules
$common_module = new HTMLPurifier_HTMLModule();
$common_module->name = 'Common';
$common_module->attr_collections['Common'] = array('class' => 'NMTOKENS');
$common_module->content_sets['Flow'] = 'Block | Inline';
$manager->addModule($common_module);
$structural_module = new HTMLPurifier_HTMLModule();
$structural_module->name = 'Structural';
$structural_module->addElement('p', 'Block', 'Inline', 'Common');
$manager->addModule($structural_module);
$formatting_module = new HTMLPurifier_HTMLModule();
$formatting_module->name = 'Formatting';
$formatting_module->addElement('em', 'Inline', 'Inline', 'Common');
$manager->addModule($formatting_module);
$unsafe_module = new HTMLPurifier_HTMLModule();
$unsafe_module->name = 'Unsafe';
$unsafe_module->safe = false;
$unsafe_module->addElement('div', 'Block', 'Flow');
$manager->addModule($unsafe_module);
$config = HTMLPurifier_Config::createDefault();
$config->set('HTML.Trusted', false);
$config->set('HTML.CustomDoctype', 'Blank');
$manager->setup($config);
$attrdef_nmtokens = new HTMLPurifier_AttrDef_HTML_Nmtokens();
$p = new HTMLPurifier_ElementDef();
$p->attr['class'] = $attrdef_nmtokens;
$p->child = new HTMLPurifier_ChildDef_Optional(array('em', '#PCDATA'));
$p->content_model = 'em | #PCDATA';
$p->content_model_type = 'optional';
$p->descendants_are_inline = true;
$em = new HTMLPurifier_ElementDef();
$em->attr['class'] = $attrdef_nmtokens;
$em->child = new HTMLPurifier_ChildDef_Optional(array('em', '#PCDATA'));
$em->content_model = 'em | #PCDATA';
$em->content_model_type = 'optional';
$em->descendants_are_inline = true;
$this->assertEqual(array('p' => $p, 'em' => $em), $manager->getElements());
// test trusted parameter override
$div = new HTMLPurifier_ElementDef();
$div->child = new HTMLPurifier_ChildDef_Optional(array('p', 'div', 'em', '#PCDATA'));
$div->content_model = 'p | div | em | #PCDATA';
$div->content_model_type = 'optional';
$div->descendants_are_inline = false;
$this->assertEqual($div, $manager->getElement('div', true));
}