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f8d5d8fd JB |
1 | import { expect } from 'expect' |
2 | ||
3 | import { | |
4 | defaultQueueSize, | |
5 | FixedPriorityQueue | |
6 | } from '../lib/fixed-priority-queue.cjs' | |
7 | ||
8 | describe.skip('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 fixedPriorityQueue = new FixedPriorityQueue() | |
32 | let rtSize = fixedPriorityQueue.enqueue(1) | |
33 | expect(fixedPriorityQueue.start).toBe(0) | |
34 | expect(fixedPriorityQueue.size).toBe(1) | |
35 | expect(fixedPriorityQueue.maxSize).toBe(1) | |
36 | expect(rtSize).toBe(fixedPriorityQueue.size) | |
37 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
38 | { data: 1, priority: 0 } | |
39 | ]) | |
40 | rtSize = fixedPriorityQueue.enqueue(2) | |
41 | expect(fixedPriorityQueue.start).toBe(0) | |
42 | expect(fixedPriorityQueue.size).toBe(2) | |
43 | expect(fixedPriorityQueue.maxSize).toBe(2) | |
44 | expect(rtSize).toBe(fixedPriorityQueue.size) | |
45 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
46 | { data: 1, priority: 0 }, | |
47 | { data: 2, priority: 0 } | |
48 | ]) | |
49 | rtSize = fixedPriorityQueue.enqueue(3) | |
50 | expect(fixedPriorityQueue.start).toBe(0) | |
51 | expect(fixedPriorityQueue.size).toBe(3) | |
52 | expect(fixedPriorityQueue.maxSize).toBe(3) | |
53 | expect(rtSize).toBe(fixedPriorityQueue.size) | |
54 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
55 | { data: 1, priority: 0 }, | |
56 | { data: 2, priority: 0 }, | |
57 | { data: 3, priority: 0 } | |
58 | ]) | |
59 | rtSize = fixedPriorityQueue.enqueue(3, -1) | |
60 | expect(fixedPriorityQueue.start).toBe(0) | |
61 | expect(fixedPriorityQueue.size).toBe(4) | |
62 | expect(fixedPriorityQueue.maxSize).toBe(4) | |
63 | expect(rtSize).toBe(fixedPriorityQueue.size) | |
64 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
65 | { data: 3, priority: -1 }, | |
66 | { data: 1, priority: 0 }, | |
67 | { data: 2, priority: 0 }, | |
68 | { data: 3, priority: 0 } | |
69 | ]) | |
70 | rtSize = fixedPriorityQueue.enqueue(1, 1) | |
71 | expect(fixedPriorityQueue.start).toBe(0) | |
72 | expect(fixedPriorityQueue.size).toBe(5) | |
73 | expect(fixedPriorityQueue.maxSize).toBe(5) | |
74 | expect(rtSize).toBe(fixedPriorityQueue.size) | |
75 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
76 | { data: 3, priority: -1 }, | |
77 | { data: 1, priority: 0 }, | |
78 | { data: 2, priority: 0 }, | |
79 | { data: 3, priority: 0 }, | |
80 | { data: 1, priority: 1 } | |
81 | ]) | |
82 | }) | |
83 | ||
84 | it('Verify dequeue() behavior', () => { | |
85 | const fixedPriorityQueue = new FixedPriorityQueue() | |
86 | fixedPriorityQueue.enqueue(1) | |
87 | fixedPriorityQueue.enqueue(2, -1) | |
88 | fixedPriorityQueue.enqueue(3) | |
89 | expect(fixedPriorityQueue.start).toBe(0) | |
90 | expect(fixedPriorityQueue.size).toBe(3) | |
91 | expect(fixedPriorityQueue.maxSize).toBe(3) | |
92 | let rtItem = fixedPriorityQueue.dequeue() | |
93 | expect(fixedPriorityQueue.start).toBe(1) | |
94 | expect(fixedPriorityQueue.size).toBe(2) | |
95 | expect(fixedPriorityQueue.maxSize).toBe(3) | |
96 | expect(rtItem).toBe(2) | |
97 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
98 | { data: 2, priority: -1 }, | |
99 | { data: 1, priority: 0 }, | |
100 | { data: 3, priority: 0 } | |
101 | ]) | |
102 | rtItem = fixedPriorityQueue.dequeue() | |
103 | expect(fixedPriorityQueue.start).toBe(2) | |
104 | expect(fixedPriorityQueue.size).toBe(1) | |
105 | expect(fixedPriorityQueue.maxSize).toBe(3) | |
106 | expect(rtItem).toBe(1) | |
107 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
108 | { data: 2, priority: -1 }, | |
109 | { data: 1, priority: 0 }, | |
110 | { data: 3, priority: 0 } | |
111 | ]) | |
112 | rtItem = fixedPriorityQueue.dequeue() | |
113 | expect(fixedPriorityQueue.start).toBe(3) | |
114 | expect(fixedPriorityQueue.size).toBe(0) | |
115 | expect(fixedPriorityQueue.maxSize).toBe(3) | |
116 | expect(rtItem).toBe(3) | |
117 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
118 | { data: 2, priority: -1 }, | |
119 | { data: 1, priority: 0 }, | |
120 | { data: 3, priority: 0 } | |
121 | ]) | |
122 | expect(fixedPriorityQueue.dequeue()).toBe(undefined) | |
123 | }) | |
124 | ||
125 | it('Verify iterator behavior', () => { | |
126 | const fixedPriorityQueue = new FixedPriorityQueue() | |
127 | fixedPriorityQueue.enqueue(1) | |
128 | fixedPriorityQueue.enqueue(2) | |
129 | fixedPriorityQueue.enqueue(3) | |
130 | let i = fixedPriorityQueue.start + 1 | |
131 | for (const value of fixedPriorityQueue) { | |
132 | expect(value).toBe(i) | |
133 | ++i | |
134 | } | |
135 | fixedPriorityQueue.dequeue() | |
136 | i = fixedPriorityQueue.start + 1 | |
137 | for (const value of fixedPriorityQueue) { | |
138 | expect(value).toBe(i) | |
139 | ++i | |
140 | } | |
141 | }) | |
142 | ||
143 | it('Verify clear() behavior', () => { | |
144 | const fixedPriorityQueue = new FixedPriorityQueue() | |
145 | fixedPriorityQueue.start = 1 | |
146 | fixedPriorityQueue.size = 2 | |
147 | fixedPriorityQueue.maxSize = 2 | |
148 | fixedPriorityQueue.nodeArray = [ | |
149 | { data: 2, priority: 0 }, | |
150 | { data: 3, priority: 0 } | |
151 | ] | |
152 | fixedPriorityQueue.clear() | |
153 | expect(fixedPriorityQueue.start).toBe(0) | |
154 | expect(fixedPriorityQueue.size).toBe(0) | |
155 | expect(fixedPriorityQueue.maxSize).toBe(0) | |
156 | expect(fixedPriorityQueue.nodeArray).toMatchObject([ | |
157 | { data: 2, priority: 0 }, | |
158 | { data: 3, priority: 0 } | |
159 | ]) | |
160 | }) | |
161 | }) |