/**
* Inserts an item at the specified position.
* This method overrides the parent implementation by
* checking the item to be inserted is of certain type.
* @param integer $index the specified position.
* @param mixed $item new item
* @throws CException If the index specified exceeds the bound,
* the list is read-only or the element is not of the expected type.
*/
public function insertAt($index, $item)
{
if ($item instanceof $this->_type) {
parent::insertAt($index, $item);
} else {
throw new CException(Yii::t('yii', 'CTypedList<{type}> can only hold objects of {type} class.', array('{type}' => $this->_type)));
}
}
public function insertAt($index, $item)
{
if ($item instanceof IFilter) {
parent::insertAt($index, $item);
} else {
throw new CException(Yii::t('yii', 'CFilterChain can only take objects implementing the IFilter interface.'));
}
}
public function testCanNotInsertWhenReadOnly()
{
$list = new CList(array(), true);
$this->setExpectedException('CException');
$list->insertAt(1, 2);
}
