Prado\Web\UI\ActiveControls\TActiveHiddenField::setValue PHP Метод

    public function setValue($value)
    {
        if (parent::getValue() === $value) {
            return;
        }
        parent::setValue($value);
        if ($this->getActiveControl()->canUpdateClientSide() && $this->getHasLoadedPostData()) {
            $this->getPage()->getCallbackClient()->setValue($this, $value);
        }
    }

 public function testSetValue()
 {
     $field = new TActiveHiddenField();
     $field->setValue('Test');
     $this->assertEquals('Test', $field->getValue());
 }