+++ /dev/null
-import { expect } from 'expect'
-import {
- CircularArray,
- DEFAULT_CIRCULAR_ARRAY_SIZE
-} from '../lib/circular-array.cjs'
-
-describe('Circular array test suite', () => {
- it('Verify that circular array can be instantiated', () => {
- const circularArray = new CircularArray()
- expect(circularArray).toBeInstanceOf(CircularArray)
- })
-
- it('Verify circular array default size at instance creation', () => {
- const circularArray = new CircularArray()
- expect(circularArray.size).toBe(DEFAULT_CIRCULAR_ARRAY_SIZE)
- })
-
- it('Verify that circular array size can be set at instance creation', () => {
- const circularArray = new CircularArray(1000)
- expect(circularArray.size).toBe(1000)
- })
-
- it('Verify that circular array size and items can be set at instance creation', () => {
- let circularArray = new CircularArray(1000, 1, 2, 3, 4, 5)
- expect(circularArray.size).toBe(1000)
- expect(circularArray.length).toBe(5)
- circularArray = new CircularArray(4, 1, 2, 3, 4, 5)
- expect(circularArray.size).toBe(4)
- expect(circularArray.length).toBe(4)
- })
-
- it('Verify that circular array size is valid at instance creation', () => {
- expect(() => new CircularArray(0.25)).toThrow(
- new TypeError('Invalid circular array size: 0.25 is not a safe integer')
- )
- expect(() => new CircularArray(-1)).toThrow(
- new RangeError('Invalid circular array size: -1 < 0')
- )
- expect(() => new CircularArray(Number.MAX_SAFE_INTEGER + 1)).toThrow(
- new TypeError(
- `Invalid circular array size: ${
- Number.MAX_SAFE_INTEGER + 1
- } is not a safe integer`
- )
- )
- })
-
- it('Verify that circular array empty works as intended', () => {
- const circularArray = new CircularArray()
- expect(circularArray.empty()).toBe(true)
- })
-
- it('Verify that circular array full works as intended', () => {
- const circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- expect(circularArray.full()).toBe(true)
- })
-
- it('Verify that circular array push works as intended', () => {
- let circularArray = new CircularArray(4)
- let arrayLength = circularArray.push(1, 2, 3, 4, 5)
- expect(arrayLength).toBe(circularArray.size)
- expect(circularArray.length).toBe(circularArray.size)
- expect(circularArray).toStrictEqual(new CircularArray(4, 2, 3, 4, 5))
- arrayLength = circularArray.push(6, 7)
- expect(arrayLength).toBe(circularArray.size)
- expect(circularArray.length).toBe(circularArray.size)
- expect(circularArray).toStrictEqual(new CircularArray(4, 4, 5, 6, 7))
- circularArray = new CircularArray(100)
- arrayLength = circularArray.push(1, 2, 3, 4, 5)
- expect(arrayLength).toBe(5)
- expect(circularArray.size).toBe(100)
- expect(circularArray.length).toBe(5)
- expect(circularArray).toStrictEqual(new CircularArray(100, 1, 2, 3, 4, 5))
- })
-
- it('Verify that circular array splice works as intended', () => {
- let circularArray = new CircularArray(1000, 1, 2, 3, 4, 5)
- let deletedItems = circularArray.splice(2)
- expect(deletedItems).toStrictEqual(new CircularArray(3, 3, 4, 5))
- expect(circularArray.length).toBe(2)
- expect(circularArray).toStrictEqual(new CircularArray(1000, 1, 2))
- circularArray = new CircularArray(1000, 1, 2, 3, 4, 5)
- deletedItems = circularArray.splice(2, 1)
- expect(deletedItems).toStrictEqual(new CircularArray(1, 3))
- expect(circularArray.length).toBe(4)
- expect(circularArray).toStrictEqual(new CircularArray(1000, 1, 2, 4, 5))
- circularArray = new CircularArray(4, 1, 2, 3, 4)
- deletedItems = circularArray.splice(2, 1, 5, 6)
- expect(deletedItems).toStrictEqual(new CircularArray(2, 3, 1))
- expect(circularArray.length).toBe(4)
- expect(circularArray).toStrictEqual(new CircularArray(4, 2, 5, 6, 4))
- })
-
- it('Verify that circular array concat works as intended', () => {
- let circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- circularArray = circularArray.concat(6, 7)
- expect(circularArray.length).toBe(5)
- expect(circularArray).toStrictEqual(new CircularArray(5, 3, 4, 5, 6, 7))
- circularArray = new CircularArray(1)
- circularArray = circularArray.concat(6, 7)
- expect(circularArray.length).toBe(1)
- expect(circularArray).toStrictEqual(new CircularArray(1, 7))
- })
-
- it('Verify that circular array unshift works as intended', () => {
- let circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- let arrayLength = circularArray.unshift(6, 7)
- expect(arrayLength).toBe(5)
- expect(circularArray.length).toBe(5)
- expect(circularArray).toStrictEqual(new CircularArray(5, 6, 7, 1, 2, 3))
- circularArray = new CircularArray(1)
- arrayLength = circularArray.unshift(6, 7)
- expect(arrayLength).toBe(1)
- expect(circularArray.length).toBe(1)
- expect(circularArray).toStrictEqual(new CircularArray(1, 6))
- })
-
- it('Verify that circular array resize works as intended', () => {
- expect(() => new CircularArray().resize(0.25)).toThrow(
- new TypeError('Invalid circular array size: 0.25 is not a safe integer')
- )
- expect(() => new CircularArray().resize(-1)).toThrow(
- new RangeError('Invalid circular array size: -1 < 0')
- )
- expect(() =>
- new CircularArray().resize(Number.MAX_SAFE_INTEGER + 1)
- ).toThrow(
- new TypeError(
- `Invalid circular array size: ${
- Number.MAX_SAFE_INTEGER + 1
- } is not a safe integer`
- )
- )
- let circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- circularArray.resize(0)
- expect(circularArray.size).toBe(0)
- expect(circularArray).toStrictEqual(new CircularArray(0))
- circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- circularArray.resize(1)
- expect(circularArray.size).toBe(1)
- expect(circularArray).toStrictEqual(new CircularArray(1, 1))
- circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- circularArray.resize(3)
- expect(circularArray.size).toBe(3)
- expect(circularArray).toStrictEqual(new CircularArray(3, 1, 2, 3))
- circularArray = new CircularArray(5, 1, 2, 3, 4, 5)
- circularArray.resize(8)
- expect(circularArray.size).toBe(8)
- expect(circularArray).toStrictEqual(new CircularArray(8, 1, 2, 3, 4, 5))
- })
-})
repositories / poolifier.git / blobdiff