Unit testing Angular Application using Jasmine - Util Service

uv-util.service.ts

import { Injectable } from '@angular/core';

@Injectable({
  providedIn: 'root'
})
export class UvUtilService {

  constructor() { }

  /**
   * @description Function to know passed array are equal or not
   * @param arr1 - Array 1
   * @param arr2 - Array 2
   * @returns true if arrays are equal otherwise return false.
   * Note: This method is not recommended if array is large
   */
  areArraysEqual(arr1, arr2) {
    return JSON.stringify(arr1) === JSON.stringify(arr2);
  }
}