// deno-fmt-ignore-file
// deno-lint-ignore-file

// Copyright Joyent and Node contributors. All rights reserved. MIT license.
// Taken from Node 18.12.1
// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually

'use strict';

require('../common');
const assert = require('assert');
const EventEmitter = require('events');

const eventsMethods = ['on', 'once', 'removeListener', 'prependOnceListener'];

// Verify that the listener must be a function for events methods
for (const method of eventsMethods) {
  assert.throws(() => {
    const ee = new EventEmitter();
    ee[method]('foo', null);
  }, {
    code: 'ERR_INVALID_ARG_TYPE',
    name: 'TypeError',
    message: 'The "listener" argument must be of type function. ' +
             'Received null'
  }, `event.${method}('foo', null) should throw the proper error`);
}