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// Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "@std/assert";
import { execCode } from "../unit/test_util.ts";
import { createSocket } from "node:dgram";
const listenPort = 4503;
const listenPort2 = 4504;
Deno.test("[node/dgram] udp ref and unref", {
permissions: { read: true, run: true, net: true },
}, async () => {
const { promise, resolve } = Promise.withResolvers<void>();
const udpSocket = createSocket("udp4");
udpSocket.bind(listenPort);
udpSocket.unref();
udpSocket.ref();
let data;
udpSocket.on("message", (buffer, _rinfo) => {
data = Uint8Array.from(buffer);
udpSocket.close();
});
udpSocket.on("close", () => {
resolve();
});
const conn = await Deno.listenDatagram({
port: listenPort2,
transport: "udp",
});
await conn.send(new Uint8Array([0, 1, 2, 3]), {
transport: "udp",
port: listenPort,
hostname: "127.0.0.1",
});
await promise;
conn.close();
assertEquals(data, new Uint8Array([0, 1, 2, 3]));
});
Deno.test("[node/dgram] udp unref", {
permissions: { read: true, run: true, net: true },
}, async () => {
const [statusCode, _output] = await execCode(`
import { createSocket } from "node:dgram";
const udpSocket = createSocket('udp4');
udpSocket.bind(${listenPort2});
// This should let the program to exit without waiting for the
// udp socket to close.
udpSocket.unref();
udpSocket.on('message', (buffer, rinfo) => {
});
`);
assertEquals(statusCode, 0);
});
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