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'use strict';
const common = require('../common');
const dgram = require('dgram');
const source = dgram.createSocket('udp4');
const target = dgram.createSocket('udp4');
let messages = 0;
target.on('message', common.mustCall(function(buf) {
if (buf.toString() === 'abc') ++messages;
if (buf.toString() === 'def') ++messages;
if (messages === 2) {
source.close();
target.close();
}
}, 2));
target.on('listening', function() {
// Second .send() call should not throw a bind error.
const port = this.address().port;
source.send(Buffer.from('abc'), 0, 3, port, '127.0.0.1');
source.send(Buffer.from('def'), 0, 3, port, '127.0.0.1');
});
target.bind(0);
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