quic: add tests confirming error handling for QuicSocket close event

PR-URL: #34247
Reviewed-By: Anna Henningsen <anna@addaleax.net>

test/parallel/test-quic-socket-close-event-error-async.js

@@ -0,0 +1,31 @@
+// Flags: --no-warnings
+'use strict';
+
+const common = require('../common');
+if (!common.hasQuic)
+  common.skip('missing quic');
+
+const assert = require('assert');
+const {
+  key,
+  cert,
+  ca,
+} = require('../common/quic');
+
+const { createQuicSocket } = require('net');
+
+const options = { key, cert, ca, alpn: 'zzz' };
+
+const server = createQuicSocket({ server: options });
+
+server.on('error', common.mustNotCall());
+
+server.on('close', common.mustCall(async () => {
+  throw new Error('boom');
+}));
+
+process.on('uncaughtException', (error) => {
+  assert.strictEqual(error.message, 'boom');
+});
+
+server.destroy();

test/parallel/test-quic-socket-close-event-error.js

@@ -0,0 +1,31 @@
+// Flags: --no-warnings
+'use strict';
+
+const common = require('../common');
+if (!common.hasQuic)
+  common.skip('missing quic');
+
+const assert = require('assert');
+const {
+  key,
+  cert,
+  ca,
+} = require('../common/quic');
+
+const { createQuicSocket } = require('net');
+
+const options = { key, cert, ca, alpn: 'zzz' };
+
+const server = createQuicSocket({ server: options });
+
+server.on('error', common.mustNotCall());
+
+server.on('close', common.mustCall(() => {
+  throw new Error('boom');
+}));
+
+process.on('uncaughtException', (error) => {
+  assert.strictEqual(error.message, 'boom');
+});
+
+server.destroy();