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'use strict';
const common = require('../common');
const assert = require('assert');
const dgram = require('dgram');
const client = dgram.createSocket('udp4');
const server = dgram.createSocket('udp4');
const toSend = [Buffer.alloc(256, 'x'),
Buffer.alloc(256, 'y'),
Buffer.alloc(256, 'z'),
'hello'];
const received = [];
server.on('listening', common.mustCall(() => {
const port = server.address().port;
client.connect(port, (err) => {
assert.ifError(err);
client.send(toSend[0], 0, toSend[0].length);
client.send(toSend[1]);
client.send([toSend[2]]);
client.send(toSend[3], 0, toSend[3].length);
client.send(new Uint8Array(toSend[0]), 0, toSend[0].length);
client.send(new Uint8Array(toSend[1]));
client.send([new Uint8Array(toSend[2])]);
client.send(new Uint8Array(Buffer.from(toSend[3])),
0, toSend[3].length);
});
}));
server.on('message', common.mustCall((buf, info) => {
received.push(buf.toString());
if (received.length === toSend.length * 2) {
// The replies may arrive out of order -> sort them before checking.
received.sort();
const expected = toSend.concat(toSend).map(String).sort();
assert.deepStrictEqual(received, expected);
client.close();
server.close();
}
}, toSend.length * 2));
server.bind(0);
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