process: triggerAsyncId can be undefined

Fixes: https://github.com/nodejs/node/issues/14386
Fixes: https://github.com/nodejs/node/issues/14381

PR-URL: https://github.com/nodejs/node/pull/14387
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Trevor Norris <trev.norris@gmail.com>

1 files changed, 27 insertions, 0 deletions

diff --git a/test/parallel/test-http-server-response-standalone.js b/test/parallel/test-http-server-response-standalone.js
new file mode 100644
index 0000000000..7025c734b3
--- /dev/null
+++ b/test/parallel/test-http-server-response-standalone.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const common = require('../common');
+const { ServerResponse } = require('http');
+const { Writable } = require('stream');
+const assert = require('assert');
+
+// check that ServerResponse can be used without a proper Socket
+// Fixes: https://github.com/nodejs/node/issues/14386
+// Fixes: https://github.com/nodejs/node/issues/14381
+
+const res = new ServerResponse({
+  method: 'GET',
+  httpVersionMajor: 1,
+  httpVersionMinor: 1
+});
+
+const ws = new Writable({
+  write: common.mustCall((chunk, encoding, callback) => {
+    assert(chunk.toString().match(/hello world/));
+    setImmediate(callback);
+  })
+});
+
+res.assignSocket(ws);
+
+res.end('hello world');