interchange = new HTMLPurifier_ConfigSchema_Interchange();
    }
    public function testAddDirective()
    {
        $v = new HTMLPurifier_ConfigSchema_Interchange_Directive();
        $v->id = new HTMLPurifier_ConfigSchema_Interchange_Id('Namespace.Directive');
        $this->interchange->addDirective($v);
        $this->assertIdentical($v, $this->interchange->directives['Namespace.Directive']);
    }
}
// vim: et sw=4 sts=4