X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=tests%2Fpriority-queue.test.mjs;h=839b6057ba96bc99610f1641b7f2c94acb9ae7ba;hb=884743b122a66be45c94d83d9230e28a9ab43836;hp=f366dc0fe5e442d3500b035de1f925abb840a1c3;hpb=9df282a07ef35012409d7d08207e6df983a7e905;p=poolifier.git diff --git a/tests/priority-queue.test.mjs b/tests/priority-queue.test.mjs index f366dc0f..839b6057 100644 --- a/tests/priority-queue.test.mjs +++ b/tests/priority-queue.test.mjs @@ -5,49 +5,74 @@ import { defaultBucketSize, PriorityQueue } from '../lib/priority-queue.cjs' describe('Priority queue test suite', () => { it('Verify constructor() behavior', () => { - const priorityQueue = new PriorityQueue() + expect(() => new PriorityQueue('')).toThrow( + new TypeError("Invalid bucket size: '' is not an integer") + ) + expect(() => new PriorityQueue(-1)).toThrow( + new RangeError('Invalid bucket size: -1 < 0') + ) + let priorityQueue = new PriorityQueue() + expect(priorityQueue.bucketSize).toBe(defaultBucketSize) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(0) + expect(priorityQueue.enablePriority).toBe(false) expect(priorityQueue.head).toBeInstanceOf(FixedPriorityQueue) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.head.capacity).toBe(defaultBucketSize) expect(priorityQueue.tail).toBeInstanceOf(FixedPriorityQueue) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) + const bucketSize = 2 + priorityQueue = new PriorityQueue(bucketSize, true) + expect(priorityQueue.bucketSize).toBe(bucketSize) + expect(priorityQueue.buckets).toBe(0) + expect(priorityQueue.size).toBe(0) + expect(priorityQueue.maxSize).toBe(0) + expect(priorityQueue.enablePriority).toBe(true) + expect(priorityQueue.head).toBeInstanceOf(FixedPriorityQueue) + expect(priorityQueue.head.next).toBe(undefined) + expect(priorityQueue.head.capacity).toBe(bucketSize) + expect(priorityQueue.tail).toBeInstanceOf(FixedPriorityQueue) + expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) }) it('Verify default bucket size enqueue() behavior', () => { - const priorityQueue = new PriorityQueue() + const priorityQueue = new PriorityQueue(defaultBucketSize, true) 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.head.nodeArray).toMatchObject([ - { data: 1, priority: 0 } + { data: 1, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(2) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(2) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.head.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.head.nodeArray).toMatchObject([ { data: 1, priority: 0 }, { data: 2, priority: 0 }, - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(3, -1) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(4) expect(priorityQueue.maxSize).toBe(4) expect(rtSize).toBe(priorityQueue.size) @@ -55,11 +80,12 @@ describe('Priority queue test suite', () => { { data: 3, priority: -1 }, { data: 1, priority: 0 }, { data: 2, priority: 0 }, - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(1, 1) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(5) expect(priorityQueue.maxSize).toBe(5) expect(rtSize).toBe(priorityQueue.size) @@ -68,119 +94,129 @@ describe('Priority queue test suite', () => { { data: 1, priority: 0 }, { data: 2, priority: 0 }, { data: 3, priority: 0 }, - { data: 1, priority: 1 } + { data: 1, priority: 1 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) }) it('Verify bucketSize=2 enqueue() behavior', () => { - const priorityQueue = new PriorityQueue(2) + const priorityQueue = new PriorityQueue(2, true) 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.head.nodeArray).toMatchObject([ - { data: 1, priority: 0 } + { data: 1, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(2) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(2) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.head.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail).toStrictEqual(priorityQueue.head) rtSize = priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(rtSize).toBe(priorityQueue.size) expect(priorityQueue.head.nodeArray).toMatchObject([ - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.tail.next).toStrictEqual(priorityQueue.head) 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) expect(priorityQueue.head.nodeArray).toMatchObject([ { data: 3, priority: -1 }, - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.tail.next).toStrictEqual(priorityQueue.head) 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) expect(priorityQueue.head.nodeArray).toMatchObject([ - { data: 1, priority: 1 } + { data: 1, priority: 1 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.tail.next).not.toStrictEqual(priorityQueue.head) expect(priorityQueue.tail.next.nodeArray).toMatchObject([ { data: 3, priority: -1 }, - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) 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) expect(priorityQueue.head.nodeArray).toMatchObject([ { data: 3, priority: -2 }, - { data: 1, priority: 1 } + { data: 1, priority: 1 }, ]) expect(priorityQueue.head.next).toBe(undefined) expect(priorityQueue.tail.nodeArray).toMatchObject([ { data: 1, priority: 0 }, - { data: 2, priority: 0 } + { data: 2, priority: 0 }, ]) expect(priorityQueue.tail.next).not.toStrictEqual(priorityQueue.head) expect(priorityQueue.tail.next.nodeArray).toMatchObject([ { data: 3, priority: -1 }, - { data: 3, priority: 0 } + { data: 3, priority: 0 }, ]) }) it('Verify default bucket size dequeue() behavior', () => { - const priorityQueue = new PriorityQueue() + const priorityQueue = new PriorityQueue(defaultBucketSize, true) priorityQueue.enqueue(1) priorityQueue.enqueue(2, -1) priorityQueue.enqueue(3) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(3) expect(priorityQueue.maxSize).toBe(3) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBe(undefined) let rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(2) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBe(undefined) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(1) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(1) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBe(undefined) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(3) expect(rtItem).toBe(3) @@ -189,48 +225,55 @@ describe('Priority queue test suite', () => { }) it('Verify bucketSize=2 dequeue() behavior', () => { - const priorityQueue = new PriorityQueue(2) + const priorityQueue = new PriorityQueue(2, true) 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) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) 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.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(2) expect(priorityQueue.size).toBe(4) expect(priorityQueue.maxSize).toBe(6) expect(rtItem).toBe(1) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) 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.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) rtItem = priorityQueue.dequeue(2) + expect(priorityQueue.buckets).toBe(1) expect(priorityQueue.size).toBe(2) expect(priorityQueue.maxSize).toBe(6) expect(rtItem).toBe(3) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) rtItem = priorityQueue.dequeue(2) + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(1) expect(priorityQueue.maxSize).toBe(6) expect(rtItem).toBe(1) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail.next).toBeInstanceOf(FixedPriorityQueue) rtItem = priorityQueue.dequeue() + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(6) expect(rtItem).toBe(2) @@ -238,6 +281,30 @@ describe('Priority queue test suite', () => { expect(priorityQueue.tail.next).toBe(undefined) }) + it('Verify enablePriority setter behavior', () => { + const priorityQueue = new PriorityQueue(2) + expect(priorityQueue.enablePriority).toBe(false) + priorityQueue.enqueue(1) + priorityQueue.enqueue(2) + priorityQueue.enqueue(3) + priorityQueue.enqueue(4) + let buckets = 0 + let node = priorityQueue.tail + while (node != null) { + expect(node.enablePriority).toBe(false) + node = node.next + ++buckets + } + expect(buckets).toBe(2) + priorityQueue.enablePriority = true + expect(priorityQueue.enablePriority).toBe(true) + node = priorityQueue.tail + while (node != null) { + expect(node.enablePriority).toBe(true) + node = node.next + } + }) + it('Verify iterator behavior', () => { const priorityQueue = new PriorityQueue(2) priorityQueue.enqueue(1) @@ -255,12 +322,14 @@ describe('Priority queue test suite', () => { 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.head.empty()).toBe(false) expect(priorityQueue.tail.empty()).toBe(false) expect(priorityQueue.tail).not.toStrictEqual(priorityQueue.head) priorityQueue.clear() + expect(priorityQueue.buckets).toBe(0) expect(priorityQueue.size).toBe(0) expect(priorityQueue.maxSize).toBe(0) expect(priorityQueue.head.empty()).toBe(true)