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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const client = dgram.createSocket('udp4');
const messageSent = common.mustCall(function messageSent(err, bytes) {
assert.ifError(err);
assert.strictEqual(bytes, buf1.length + buf2.length);
});
const buf1 = Buffer.alloc(256, 'x');
const buf2 = Buffer.alloc(256, 'y');
client.on('listening', function() {
const port = this.address().port;
client.send([buf1, buf2], port, messageSent);
});
client.on('message', common.mustCall(function onMessage(buf) {
const expected = Buffer.concat([buf1, buf2]);
assert.ok(buf.equals(expected), 'message was received correctly');
client.close();
}));
client.bind(0);
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