'use strict';

const benchmark = require('./2-benchmark.js');

// Prepare data

const arr = [];

for (let i = 0; i < 100; i++) {

arr[i] = (i - 50) * i;

}

// Different implementations

const testSlice = () => arr.slice();

const testSlice0 = () => arr.slice(0);

const testConcat = () => [].concat(arr);

const testFor = () => {

const result = [];

for (let i = 0; i < arr.length; i++) {

result.push(arr[i]);

}

return result;

};

const testForNew = () => {

const len = arr.length;

const result = new Array(len);

for (let i = 0; i < len; i++) {

result[i] = arr[i];

}

return result;

};

// Run tests

benchmark.do(500000, [

testSlice,

testSlice0,

testConcat,

testFor,

testForNew,

]);