public function testPop()
{
$listener = Mockery::mock(ListenerInterface::CLASS);
$listener->shouldReceive('onCollectionChanged')->with(CollectionChangedEvent::CLASS)->once();
$items = $this->createRandomItems();
$list = new ArrayList($items);
$list->addListener($listener);
$prev_count = $list->getSize();
$last_item = $list->getLast();
$popped_item = $list->pop();
$this->assertEquals($prev_count - 1, $list->getSize());
$this->assertEquals($last_item, $popped_item);
}
