public function testAddItems()
{
$initial_items = $this->createRandomItems();
$initial_items_count = count($initial_items);
$items = $this->createRandomItems();
$more_items_count = count($items);
$list = new ArrayList($initial_items);
$list->addItems($items);
// assert item count
$expected_item_count = $initial_items_count + $more_items_count;
$this->assertEquals($expected_item_count, count($list));
// assert item order
foreach ($list as $index => $item) {
$expected_item = null;
if ($index < $initial_items_count) {
$expected_item = $initial_items[$index];
} else {
$expected_item = $items[$index - $initial_items_count];
}
$this->assertEquals($expected_item, $item);
}
}
