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'use strict';
const common = require('../common');
const assert = require('assert');
const net = require('net');
const server = net.createServer(function(client) {
client.end();
server.close();
});
server.listen(0, '127.0.0.1', common.mustCall(function() {
net.connect(this.address().port, 'localhost')
.on('lookup', common.mustCall(function(err, ip, type, host) {
assert.strictEqual(err, null);
assert.strictEqual(ip, '127.0.0.1');
assert.strictEqual(type, 4);
assert.strictEqual(host, 'localhost');
}));
}));