- expect(priorityQueue.nodeArray).toStrictEqual([
- { data: 1, priority: 0 },
- { data: 2, priority: 0 },
- { data: 3, priority: -1 },
- { data: 3, priority: 0 },
- { data: 1, priority: 1 }
- ])
+ expect(priorityQueue.tail.empty()).toBe(false)
+ expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue)