| 1 | // const { expect } = require('expect') |
| 2 | // const { Queue } = require('../lib/queue') |
| 3 | |
| 4 | // describe('Queue test suite', () => { |
| 5 | // it('Verify enqueue() behavior', () => { |
| 6 | // const queue = new Queue() |
| 7 | // let rtSize = queue.enqueue(1) |
| 8 | // expect(queue.size).toBe(1) |
| 9 | // expect(rtSize).toBe(queue.size) |
| 10 | // expect(queue.offset).toBe(0) |
| 11 | // expect(queue.maxSize).toBe(1) |
| 12 | // expect(queue.items).toStrictEqual([1]) |
| 13 | // rtSize = queue.enqueue(2) |
| 14 | // expect(queue.size).toBe(2) |
| 15 | // expect(rtSize).toBe(queue.size) |
| 16 | // expect(queue.offset).toBe(0) |
| 17 | // expect(queue.maxSize).toBe(2) |
| 18 | // expect(queue.items).toStrictEqual([1, 2]) |
| 19 | // rtSize = queue.enqueue(3) |
| 20 | // expect(queue.size).toBe(3) |
| 21 | // expect(rtSize).toBe(queue.size) |
| 22 | // expect(queue.offset).toBe(0) |
| 23 | // expect(queue.maxSize).toBe(3) |
| 24 | // expect(queue.items).toStrictEqual([1, 2, 3]) |
| 25 | // }) |
| 26 | |
| 27 | // it('Verify dequeue() behavior', () => { |
| 28 | // const queue = new Queue() |
| 29 | // queue.enqueue(1) |
| 30 | // queue.enqueue(2) |
| 31 | // queue.enqueue(3) |
| 32 | // let rtItem = queue.dequeue() |
| 33 | // expect(queue.size).toBe(2) |
| 34 | // expect(rtItem).toBe(1) |
| 35 | // expect(queue.offset).toBe(1) |
| 36 | // expect(queue.maxSize).toBe(3) |
| 37 | // expect(queue.items).toStrictEqual([1, 2, 3]) |
| 38 | // rtItem = queue.dequeue() |
| 39 | // expect(queue.size).toBe(1) |
| 40 | // expect(rtItem).toBe(2) |
| 41 | // expect(queue.offset).toBe(0) |
| 42 | // expect(queue.maxSize).toBe(3) |
| 43 | // expect(queue.items).toStrictEqual([3]) |
| 44 | // rtItem = queue.dequeue() |
| 45 | // expect(queue.size).toBe(0) |
| 46 | // expect(rtItem).toBe(3) |
| 47 | // expect(queue.offset).toBe(0) |
| 48 | // expect(queue.maxSize).toBe(3) |
| 49 | // expect(queue.items).toStrictEqual([]) |
| 50 | // }) |
| 51 | |
| 52 | // it('Verify clear() behavior', () => { |
| 53 | // const queue = new Queue() |
| 54 | // queue.enqueue(1) |
| 55 | // queue.enqueue(2) |
| 56 | // queue.enqueue(3) |
| 57 | // expect(queue.size).toBe(3) |
| 58 | // expect(queue.maxSize).toBe(3) |
| 59 | // expect(queue.items).toStrictEqual([1, 2, 3]) |
| 60 | // expect(queue.offset).toBe(0) |
| 61 | // queue.clear() |
| 62 | // expect(queue.size).toBe(0) |
| 63 | // expect(queue.maxSize).toBe(0) |
| 64 | // expect(queue.items).toStrictEqual([]) |
| 65 | // expect(queue.offset).toBe(0) |
| 66 | // }) |
| 67 | |
| 68 | // it('Verify iterator behavior', () => { |
| 69 | // const queue = new Queue() |
| 70 | // queue.enqueue(1) |
| 71 | // queue.enqueue(2) |
| 72 | // queue.enqueue(3) |
| 73 | // let i = 1 |
| 74 | // for (const item of queue) { |
| 75 | // expect(item).toBe(i) |
| 76 | // ++i |
| 77 | // } |
| 78 | // }) |
| 79 | // }) |