public function testHasKey()
{
$items = $this->createRandomItems();
$items_count = count($items);
$last_index = $items_count - 1;
// pick a random item from the list to test against
$random_key = 0;
if ($last_index > 0) {
$random_key = self::$faker->numberBetween(0, $last_index);
}
$list = new ArrayList($items);
$this->assertEquals(true, $list->hasKey($random_key));
$this->assertEquals(false, $list->hasKey($items_count + 1));
}
