SimpleAcl\Acl::setRuleClass PHP Method

    public function setRuleClass($ruleClass)
    {
        if (!class_exists($ruleClass)) {
            throw new RuntimeException('Rule class not exist');
        }
        if (!is_subclass_of($ruleClass, 'SimpleAcl\\Rule') && $ruleClass != 'SimpleAcl\\Rule') {
            throw new RuntimeException('Rule class must be instance of SimpleAcl\\Rule');
        }
        $this->ruleClass = $ruleClass;
    }

 public function testSetRuleClass()
 {
     eval('class GoodRuleClass extends \\SimpleAcl\\Rule {}');
     $acl = new Acl();
     $acl->setRuleClass('GoodRuleClass');
     $this->assertEquals('GoodRuleClass', $acl->getRuleClass());
 }