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// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';
require('../common');const assert = require('assert');

function T(n) {  const ui8 = new Uint8Array(n);  Object.setPrototypeOf(ui8, T.prototype);  return ui8;}Object.setPrototypeOf(T.prototype, Buffer.prototype);Object.setPrototypeOf(T, Buffer);
T.prototype.sum = function sum() {  let cntr = 0;  for (let i = 0; i < this.length; i++)    cntr += this[i];  return cntr;};

const vals = [new T(4), T(4)];
vals.forEach(function(t) {  assert.strictEqual(t.constructor, T);  assert.strictEqual(Object.getPrototypeOf(t), T.prototype);  assert.strictEqual(Object.getPrototypeOf(Object.getPrototypeOf(t)),                     Buffer.prototype);
  t.fill(5);  let cntr = 0;  for (let i = 0; i < t.length; i++)    cntr += t[i];  assert.strictEqual(cntr, t.length * 5);
  // Check this does not throw  t.toString();});