X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpriority-queue.test.mjs;h=58931859cb02b7d67f63b6d3c25f0948d199c421;hb=a57b0106415e7a06856daeeb93b6c42dac94210e;hp=6b6c5f409b7d8d85319bcc7647fe4193f7a80045;hpb=54aa8d5a576b22bfdbebea90021502035a5e1c8c;p=poolifier.git diff --git a/tests/priority-queue.test.mjs b/tests/priority-queue.test.mjs index 6b6c5f40..58931859 100644 --- a/tests/priority-queue.test.mjs +++ b/tests/priority-queue.test.mjs @@ -1,9 +1,8 @@ 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') @@ -118,7 +117,7 @@ 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.size).toBe(6) expect(priorityQueue.maxSize).toBe(6) expect(rtSize).toBe(priorityQueue.size) @@ -127,12 +126,12 @@ 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 k dequeue() behavior', () => { const priorityQueue = new PriorityQueue() priorityQueue.enqueue(1) priorityQueue.enqueue(2, -1) @@ -157,6 +156,64 @@ describe.skip('Priority queue test suite', () => { expect(priorityQueue.nodeArray).toStrictEqual([]) }) + it('Verify k=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) + let rtItem = priorityQueue.dequeue(3) + 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.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.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.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.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.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) @@ -177,6 +234,18 @@ 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)