'use strict'; const common = require('../common'); const assert = require('assert'); const net = require('net'); ['foobar', 1, {}, []].forEach((input) => connectThrows(input)); // Using port 0 as lookup is emitted before connecting. function connectThrows(input) { const opts = { host: 'localhost', port: 0, lookup: input }; assert.throws(() => { net.connect(opts); }, common.expectsError({ code: 'ERR_INVALID_ARG_TYPE', type: TypeError })); } connectDoesNotThrow(() => {}); function connectDoesNotThrow(input) { const opts = { host: 'localhost', port: 0, lookup: input }; assert.doesNotThrow(() => { net.connect(opts); }); }