1 files changed, 59 insertions, 0 deletions
diff --git a/cli/tests/node_compat/test/parallel/test-dns-multi-channel.js b/cli/tests/node_compat/test/parallel/test-dns-multi-channel.js
new file mode 100644
index 000000000..65d0a2f3a
--- /dev/null
+++ b/cli/tests/node_compat/test/parallel/test-dns-multi-channel.js
@@ -0,0 +1,59 @@
+// deno-fmt-ignore-file
+// deno-lint-ignore-file
+
+// Copyright Joyent and Node contributors. All rights reserved. MIT license.
+// Taken from Node 18.12.1
+// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
+
+'use strict';
+const common = require('../common');
+const dnstools = require('../common/dns');
+const { Resolver } = require('dns');
+const assert = require('assert');
+const dgram = require('dgram');
+
+const servers = [
+  {
+    socket: dgram.createSocket('udp4'),
+    reply: { type: 'A', address: '1.2.3.4', ttl: 123, domain: 'example.org' }
+  },
+  {
+    socket: dgram.createSocket('udp4'),
+    reply: { type: 'A', address: '5.6.7.8', ttl: 123, domain: 'example.org' }
+  },
+];
+
+let waiting = servers.length;
+for (const { socket, reply } of servers) {
+  socket.on('message', common.mustCall((msg, { address, port }) => {
+    const parsed = dnstools.parseDNSPacket(msg);
+    const domain = parsed.questions[0].domain;
+    assert.strictEqual(domain, 'example.org');
+
+    socket.send(dnstools.writeDNSPacket({
+      id: parsed.id,
+      questions: parsed.questions,
+      answers: [reply],
+    }), port, address);
+  }));
+
+  socket.bind(0, common.mustCall(() => {
+    if (--waiting === 0) ready();
+  }));
+}
+
+
+function ready() {
+  const resolvers = servers.map((server) => ({
+    server,
+    resolver: new Resolver()
+  }));
+
+  for (const { server: { socket, reply }, resolver } of resolvers) {
+    resolver.setServers([`127.0.0.1:${socket.address().port}`]);
+    resolver.resolve4('example.org', common.mustSucceed((res) => {
+      assert.deepStrictEqual(res, [reply.address]);
+      socket.close();
+    }));
+  }
+}