X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpriority-queue.test.mjs;h=f3da873405855449119dba52df325992a84f39a0;hb=7c78b8f8e025aee6121bf2b5d5e9d525a49bc4f2;hp=6b6c5f409b7d8d85319bcc7647fe4193f7a80045;hpb=e41b02718bb9355f7934f0198568cc0ac6f70f9a;p=poolifier.git diff --git a/tests/priority-queue.test.mjs b/tests/priority-queue.test.mjs index 6b6c5f40..f3da8734 100644 --- a/tests/priority-queue.test.mjs +++ b/tests/priority-queue.test.mjs @@ -1,39 +1,42 @@ import { expect } from 'expect' -// eslint-disable-next-line n/no-missing-import, import/no-unresolved import { PriorityQueue } from '../lib/priority-queue.cjs' -describe.skip('Priority queue test suite', () => { +describe('Priority queue test suite', () => { it('Verify constructor() behavior', () => { expect(() => new PriorityQueue('')).toThrow( - new TypeError('k must be an integer') + new TypeError('bucketSize must be an integer') ) expect(() => new PriorityQueue(-1)).toThrow( - new RangeError('k must be greater than or equal to 1') + new RangeError('bucketSize must be greater than or equal to 1') ) expect(() => new PriorityQueue(0)).toThrow( - new RangeError('k must be greater than or equal to 1') + new RangeError('bucketSize must be greater than or equal to 1') ) let priorityQueue = new PriorityQueue() - expect(priorityQueue.k).toBe(Infinity) + expect(priorityQueue.bucketSize).toBe(Infinity) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(0) expect(priorityQueue.nodeArray).toStrictEqual([]) priorityQueue = new PriorityQueue(2) - expect(priorityQueue.k).toBe(2) + expect(priorityQueue.bucketSize).toBe(2) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(0) expect(priorityQueue.nodeArray).toStrictEqual([]) }) - it('Verify default k enqueue() behavior', () => { + it('Verify default bucketSize enqueue() behavior', () => { const priorityQueue = new PriorityQueue() let rtSize = priorityQueue.enqueue(1) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(1) expect(priorityQueue.maxSize).toBe(1) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.nodeArray).toStrictEqual([{ data: 1, priority: 0 }]) rtSize = priorityQueue.enqueue(2) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(2) expect(rtSize).toBe(priorityQueue.size) @@ -42,6 +45,7 @@ describe.skip('Priority queue test suite', () => { { data: 2, priority: 0 } ]) rtSize = priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(rtSize).toBe(priorityQueue.size) @@ -51,6 +55,7 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) rtSize = priorityQueue.enqueue(3, -1) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(4) expect(priorityQueue.maxSize).toBe(4) expect(rtSize).toBe(priorityQueue.size) @@ -61,6 +66,7 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) rtSize = priorityQueue.enqueue(1, 1) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(5) expect(priorityQueue.maxSize).toBe(5) expect(rtSize).toBe(priorityQueue.size) @@ -73,14 +79,16 @@ describe.skip('Priority queue test suite', () => { ]) }) - it('Verify k=2 enqueue() behavior', () => { + it('Verify bucketSize=2 enqueue() behavior', () => { const priorityQueue = new PriorityQueue(2) let rtSize = priorityQueue.enqueue(1) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(1) expect(priorityQueue.maxSize).toBe(1) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.nodeArray).toStrictEqual([{ data: 1, priority: 0 }]) rtSize = priorityQueue.enqueue(2) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(2) expect(rtSize).toBe(priorityQueue.size) @@ -89,6 +97,7 @@ describe.skip('Priority queue test suite', () => { { data: 2, priority: 0 } ]) rtSize = priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(rtSize).toBe(priorityQueue.size) @@ -98,6 +107,7 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) rtSize = priorityQueue.enqueue(3, -1) + expect(priorityQueue.buckets).toBe(2) expect(priorityQueue.size).toBe(4) expect(priorityQueue.maxSize).toBe(4) expect(rtSize).toBe(priorityQueue.size) @@ -108,6 +118,7 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) rtSize = priorityQueue.enqueue(1, 1) + expect(priorityQueue.buckets).toBe(2) expect(priorityQueue.size).toBe(5) expect(priorityQueue.maxSize).toBe(5) expect(rtSize).toBe(priorityQueue.size) @@ -118,7 +129,8 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 }, { data: 1, priority: 1 } ]) - rtSize = priorityQueue.enqueue(2, -2) + rtSize = priorityQueue.enqueue(3, -2) + expect(priorityQueue.buckets).toBe(3) expect(priorityQueue.size).toBe(6) expect(priorityQueue.maxSize).toBe(6) expect(rtSize).toBe(priorityQueue.size) @@ -127,17 +139,21 @@ describe.skip('Priority queue test suite', () => { { data: 2, priority: 0 }, { data: 3, priority: -1 }, { data: 3, priority: 0 }, - { data: 2, priority: -2 }, + { data: 3, priority: -2 }, { data: 1, priority: 1 } ]) }) - it('Verify dequeue() behavior', () => { + it('Verify default bucketSize dequeue() behavior', () => { const priorityQueue = new PriorityQueue() priorityQueue.enqueue(1) priorityQueue.enqueue(2, -1) priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(1) + expect(priorityQueue.size).toBe(3) + expect(priorityQueue.maxSize).toBe(3) let rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(2) @@ -146,17 +162,86 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(1) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(1) expect(priorityQueue.nodeArray).toStrictEqual([{ data: 3, priority: 0 }]) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(3) expect(priorityQueue.nodeArray).toStrictEqual([]) }) + it('Verify bucketSize=2 dequeue() behavior', () => { + const priorityQueue = new PriorityQueue(2) + priorityQueue.enqueue(1) + priorityQueue.enqueue(2) + priorityQueue.enqueue(3) + priorityQueue.enqueue(3, -1) + priorityQueue.enqueue(1, 1) + priorityQueue.enqueue(3, -2) + expect(priorityQueue.buckets).toBe(3) + expect(priorityQueue.size).toBe(6) + expect(priorityQueue.maxSize).toBe(6) + let rtItem = priorityQueue.dequeue(3) + expect(priorityQueue.buckets).toBe(2) + expect(priorityQueue.size).toBe(5) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(3) + expect(priorityQueue.nodeArray).toStrictEqual([ + { data: 1, priority: 0 }, + { data: 2, priority: 0 }, + { data: 3, priority: -1 }, + { data: 3, priority: 0 }, + { data: 1, priority: 1 } + ]) + rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(2) + expect(priorityQueue.size).toBe(4) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(1) + expect(priorityQueue.nodeArray).toStrictEqual([ + { data: 2, priority: 0 }, + { data: 3, priority: -1 }, + { data: 3, priority: 0 }, + { data: 1, priority: 1 } + ]) + rtItem = priorityQueue.dequeue(2) + expect(priorityQueue.buckets).toBe(1) + expect(priorityQueue.size).toBe(3) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(3) + expect(priorityQueue.nodeArray).toStrictEqual([ + { data: 2, priority: 0 }, + { data: 3, priority: -1 }, + { data: 1, priority: 1 } + ]) + rtItem = priorityQueue.dequeue(2) + expect(priorityQueue.buckets).toBe(1) + expect(priorityQueue.size).toBe(2) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(1) + expect(priorityQueue.nodeArray).toStrictEqual([ + { data: 2, priority: 0 }, + { data: 3, priority: -1 } + ]) + rtItem = priorityQueue.dequeue(2) + expect(priorityQueue.buckets).toBe(0) + expect(priorityQueue.size).toBe(1) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(2) + expect(priorityQueue.nodeArray).toStrictEqual([{ data: 3, priority: -1 }]) + rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(0) + expect(priorityQueue.size).toBe(0) + expect(priorityQueue.maxSize).toBe(6) + expect(rtItem).toBe(3) + expect(priorityQueue.nodeArray).toStrictEqual([]) + }) + it('Verify peekFirst() behavior', () => { const priorityQueue = new PriorityQueue() priorityQueue.enqueue(1) @@ -177,11 +262,24 @@ describe.skip('Priority queue test suite', () => { expect(priorityQueue.size).toBe(3) }) + it('Verify iterator behavior', () => { + const priorityQueue = new PriorityQueue() + priorityQueue.enqueue(1) + priorityQueue.enqueue(2) + priorityQueue.enqueue(3) + let i = 1 + for (const value of priorityQueue) { + expect(value).toBe(i) + ++i + } + }) + it('Verify clear() behavior', () => { const priorityQueue = new PriorityQueue() priorityQueue.enqueue(1) priorityQueue.enqueue(2) priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(priorityQueue.nodeArray).toStrictEqual([ @@ -190,6 +288,7 @@ describe.skip('Priority queue test suite', () => { { data: 3, priority: 0 } ]) priorityQueue.clear() + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(0) expect(priorityQueue.nodeArray).toStrictEqual([])