// Flags: --expose-internals 'use strict'; const common = require('../common'); const dgram = require('dgram'); const { kStateSymbol } = require('internal/dgram'); const socket = dgram.createSocket('udp4'); const { handle } = socket[kStateSymbol]; const lookup = handle.lookup; // Test the scenario where the socket is closed during a bind operation. handle.bind = common.mustNotCall('bind() should not be called.'); handle.lookup = common.mustCall(function(address, callback) { socket.close(common.mustCall(() => { lookup.call(this, address, callback); })); }); socket.bind(common.mustNotCall('Socket should not bind.'));