'use strict'; require('../common'); const assert = require('assert'); const EventEmitter = require('events'); const util = require('util'); const EE = new EventEmitter(); assert.throws( () => EE.emit('error', 'Accepts a string'), { code: 'ERR_UNHANDLED_ERROR', name: 'Error', message: "Unhandled error. ('Accepts a string')", } ); assert.throws( () => EE.emit('error', { message: 'Error!' }), { code: 'ERR_UNHANDLED_ERROR', name: 'Error', message: "Unhandled error. ({ message: 'Error!' })", } ); assert.throws( () => EE.emit('error', { message: 'Error!', [util.inspect.custom]() { throw new Error(); }, }), { code: 'ERR_UNHANDLED_ERROR', name: 'Error', message: 'Unhandled error. ([object Object])', } );