| 1 | // import { expect } from 'expect' |
| 2 | |
| 3 | // import { |
| 4 | // defaultQueueSize, |
| 5 | // FixedPriorityQueue |
| 6 | // } from '../lib/fixed-priority-queue.cjs' |
| 7 | |
| 8 | // describe('Fixed priority queue test suite', () => { |
| 9 | // it('Verify constructor() behavior', () => { |
| 10 | // expect(() => new FixedPriorityQueue('')).toThrow( |
| 11 | // new TypeError('Invalid fixed priority queue size: '' is not an integer') |
| 12 | // ) |
| 13 | // expect(() => new FixedPriorityQueue(-1)).toThrow( |
| 14 | // new RangeError('Invalid fixed priority queue size: -1 < 0') |
| 15 | // ) |
| 16 | // let fixedPriorityQueue = new FixedPriorityQueue() |
| 17 | // expect(fixedPriorityQueue.start).toBe(0) |
| 18 | // expect(fixedPriorityQueue.size).toBe(0) |
| 19 | // expect(fixedPriorityQueue.maxSize).toBe(0) |
| 20 | // expect(fixedPriorityQueue.nodeArray).toBeInstanceOf(Array) |
| 21 | // expect(fixedPriorityQueue.nodeArray.length).toBe(defaultQueueSize) |
| 22 | // fixedPriorityQueue = new FixedPriorityQueue(2) |
| 23 | // expect(fixedPriorityQueue.start).toBe(0) |
| 24 | // expect(fixedPriorityQueue.size).toBe(0) |
| 25 | // expect(fixedPriorityQueue.maxSize).toBe(0) |
| 26 | // expect(fixedPriorityQueue.nodeArray).toBeInstanceOf(Array) |
| 27 | // expect(fixedPriorityQueue.nodeArray.length).toBe(2) |
| 28 | // }) |
| 29 | |
| 30 | // it('Verify enqueue() behavior', () => { |
| 31 | // const queueSize = 5 |
| 32 | // const fixedPriorityQueue = new FixedPriorityQueue(queueSize) |
| 33 | // let rtSize = fixedPriorityQueue.enqueue(1) |
| 34 | // expect(fixedPriorityQueue.start).toBe(0) |
| 35 | // expect(fixedPriorityQueue.size).toBe(1) |
| 36 | // expect(fixedPriorityQueue.maxSize).toBe(1) |
| 37 | // expect(rtSize).toBe(fixedPriorityQueue.size) |
| 38 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 39 | // { data: 1, priority: 0 } |
| 40 | // ]) |
| 41 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 42 | // rtSize = fixedPriorityQueue.enqueue(2) |
| 43 | // expect(fixedPriorityQueue.start).toBe(0) |
| 44 | // expect(fixedPriorityQueue.size).toBe(2) |
| 45 | // expect(fixedPriorityQueue.maxSize).toBe(2) |
| 46 | // expect(rtSize).toBe(fixedPriorityQueue.size) |
| 47 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 48 | // { data: 1, priority: 0 }, |
| 49 | // { data: 2, priority: 0 } |
| 50 | // ]) |
| 51 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 52 | // rtSize = fixedPriorityQueue.enqueue(3) |
| 53 | // expect(fixedPriorityQueue.start).toBe(0) |
| 54 | // expect(fixedPriorityQueue.size).toBe(3) |
| 55 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 56 | // expect(rtSize).toBe(fixedPriorityQueue.size) |
| 57 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 58 | // { data: 1, priority: 0 }, |
| 59 | // { data: 2, priority: 0 }, |
| 60 | // { data: 3, priority: 0 } |
| 61 | // ]) |
| 62 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 63 | // rtSize = fixedPriorityQueue.enqueue(3, -1) |
| 64 | // expect(fixedPriorityQueue.start).toBe(0) |
| 65 | // expect(fixedPriorityQueue.size).toBe(4) |
| 66 | // expect(fixedPriorityQueue.maxSize).toBe(4) |
| 67 | // expect(rtSize).toBe(fixedPriorityQueue.size) |
| 68 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 69 | // { data: 3, priority: -1 }, |
| 70 | // { data: 1, priority: 0 }, |
| 71 | // { data: 2, priority: 0 }, |
| 72 | // { data: 3, priority: 0 } |
| 73 | // ]) |
| 74 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 75 | // rtSize = fixedPriorityQueue.enqueue(1, 1) |
| 76 | // expect(fixedPriorityQueue.start).toBe(0) |
| 77 | // expect(fixedPriorityQueue.size).toBe(5) |
| 78 | // expect(fixedPriorityQueue.maxSize).toBe(5) |
| 79 | // expect(rtSize).toBe(fixedPriorityQueue.size) |
| 80 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 81 | // { data: 3, priority: -1 }, |
| 82 | // { data: 1, priority: 0 }, |
| 83 | // { data: 2, priority: 0 }, |
| 84 | // { data: 3, priority: 0 }, |
| 85 | // { data: 1, priority: 1 } |
| 86 | // ]) |
| 87 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 88 | // expect(() => fixedPriorityQueue.enqueue(4)).toThrow( |
| 89 | // new Error('Priority queue is full') |
| 90 | // ) |
| 91 | // }) |
| 92 | |
| 93 | // it('Verify dequeue() behavior', () => { |
| 94 | // const queueSize = 5 |
| 95 | // const fixedPriorityQueue = new FixedPriorityQueue(queueSize) |
| 96 | // fixedPriorityQueue.enqueue(1) |
| 97 | // fixedPriorityQueue.enqueue(2, -1) |
| 98 | // fixedPriorityQueue.enqueue(3) |
| 99 | // expect(fixedPriorityQueue.start).toBe(0) |
| 100 | // expect(fixedPriorityQueue.size).toBe(3) |
| 101 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 102 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 103 | // let rtItem = fixedPriorityQueue.dequeue() |
| 104 | // expect(fixedPriorityQueue.start).toBe(1) |
| 105 | // expect(fixedPriorityQueue.size).toBe(2) |
| 106 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 107 | // expect(rtItem).toBe(2) |
| 108 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 109 | // { data: 2, priority: -1 }, |
| 110 | // { data: 1, priority: 0 }, |
| 111 | // { data: 3, priority: 0 } |
| 112 | // ]) |
| 113 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 114 | // rtItem = fixedPriorityQueue.dequeue() |
| 115 | // expect(fixedPriorityQueue.start).toBe(2) |
| 116 | // expect(fixedPriorityQueue.size).toBe(1) |
| 117 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 118 | // expect(rtItem).toBe(1) |
| 119 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 120 | // { data: 2, priority: -1 }, |
| 121 | // { data: 1, priority: 0 }, |
| 122 | // { data: 3, priority: 0 } |
| 123 | // ]) |
| 124 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 125 | // rtItem = fixedPriorityQueue.dequeue() |
| 126 | // expect(fixedPriorityQueue.start).toBe(3) |
| 127 | // expect(fixedPriorityQueue.size).toBe(0) |
| 128 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 129 | // expect(rtItem).toBe(3) |
| 130 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 131 | // { data: 2, priority: -1 }, |
| 132 | // { data: 1, priority: 0 }, |
| 133 | // { data: 3, priority: 0 } |
| 134 | // ]) |
| 135 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 136 | // rtItem = fixedPriorityQueue.dequeue() |
| 137 | // expect(fixedPriorityQueue.start).toBe(3) |
| 138 | // expect(fixedPriorityQueue.size).toBe(0) |
| 139 | // expect(fixedPriorityQueue.maxSize).toBe(3) |
| 140 | // expect(rtItem).toBe(undefined) |
| 141 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 142 | // { data: 2, priority: -1 }, |
| 143 | // { data: 1, priority: 0 }, |
| 144 | // { data: 3, priority: 0 } |
| 145 | // ]) |
| 146 | // expect(fixedPriorityQueue.nodeArray.length).toBe(queueSize) |
| 147 | // }) |
| 148 | |
| 149 | // it('Verify iterator behavior', () => { |
| 150 | // const fixedPriorityQueue = new FixedPriorityQueue() |
| 151 | // fixedPriorityQueue.enqueue(1) |
| 152 | // fixedPriorityQueue.enqueue(2) |
| 153 | // fixedPriorityQueue.enqueue(3) |
| 154 | // let i = fixedPriorityQueue.start + 1 |
| 155 | // for (const value of fixedPriorityQueue) { |
| 156 | // expect(value).toBe(i) |
| 157 | // ++i |
| 158 | // } |
| 159 | // fixedPriorityQueue.dequeue() |
| 160 | // i = fixedPriorityQueue.start + 1 |
| 161 | // for (const value of fixedPriorityQueue) { |
| 162 | // expect(value).toBe(i) |
| 163 | // ++i |
| 164 | // } |
| 165 | // }) |
| 166 | |
| 167 | // it('Verify clear() behavior', () => { |
| 168 | // const fixedPriorityQueue = new FixedPriorityQueue() |
| 169 | // fixedPriorityQueue.start = 1 |
| 170 | // fixedPriorityQueue.size = 2 |
| 171 | // fixedPriorityQueue.maxSize = 2 |
| 172 | // fixedPriorityQueue.nodeArray = [ |
| 173 | // { data: 2, priority: 0 }, |
| 174 | // { data: 3, priority: 0 } |
| 175 | // ] |
| 176 | // fixedPriorityQueue.clear() |
| 177 | // expect(fixedPriorityQueue.start).toBe(0) |
| 178 | // expect(fixedPriorityQueue.size).toBe(0) |
| 179 | // expect(fixedPriorityQueue.maxSize).toBe(0) |
| 180 | // expect(fixedPriorityQueue.nodeArray).toMatchObject([ |
| 181 | // { data: 2, priority: 0 }, |
| 182 | // { data: 3, priority: 0 } |
| 183 | // ]) |
| 184 | // }) |
| 185 | // }) |