'use strict'; const common = require('../common'); const stream = require('stream'); const readable = new stream.Readable({ read: () => {} }); function checkError(fn) { common.expectsError(fn, { code: 'ERR_INVALID_ARG_TYPE', type: TypeError }); } checkError(() => readable.push([])); checkError(() => readable.push({})); checkError(() => readable.push(0));