1'use strict'; 2require('../common'); 3 4const assert = require('assert'); 5const { Readable } = require('stream'); 6 7const readable = new Readable(); 8 9assert.throws( 10 () => { 11 readable.read(); 12 }, 13 { 14 code: 'ERR_METHOD_NOT_IMPLEMENTED', 15 name: 'Error', 16 message: 'The _read() method is not implemented' 17 } 18); 19