1'use strict'; 2 3require('../common'); 4const assert = require('assert'); 5 6assert.throws(() => new Buffer(42, 'utf8'), { 7 code: 'ERR_INVALID_ARG_TYPE', 8 name: 'TypeError', 9 message: 'The "string" argument must be of type string. Received type ' + 10 'number (42)' 11}); 12