public function testGetItems()
{
$items = $this->createRandomItems();
$list = new ArrayList($items);
$all_keys = array_keys($items);
$item_count = count($items);
$keys = [];
for ($i = 0; $i < $item_count && $i <= 3; $i++) {
$keys[] = $i;
}
$returned_items = $list->getItems($keys);
$this->assertEquals(count($keys), count($returned_items));
foreach ($keys as $key) {
$item = $list->getItem($key);
$this->assertEquals($item, $returned_items[$key]);
}
}
