'use strict'; const common = require('../common'); if (!common.hasCrypto) common.skip('missing crypto'); const tls = require('tls'); ['foobar', 1, {}, []].forEach(function connectThrows(input) { const opts = { host: 'localhost', port: common.PORT, lookup: input }; common.expectsError(function() { tls.connect(opts); }, { code: 'ERR_INVALID_ARG_TYPE', type: TypeError }); }); connectDoesNotThrow(common.mustCall(() => {})); function connectDoesNotThrow(input) { const opts = { host: 'localhost', port: common.PORT, lookup: input }; tls.connect(opts); }