node: fix test-http-server-keepalive-req-gc.js (#21333)

Author: nektro

test/js/node/test/parallel/test-http-server-keepalive-req-gc.js

@@ -0,0 +1,41 @@
+// Flags: --expose-gc
+'use strict';
+const common = require('../common');
+const { onGC } = require('../common/gc');
+const { createServer } = require('http');
+const { connect } = require('net');
+
+// Make sure that for HTTP keepalive requests, the req object can be
+// garbage collected once the request is finished.
+// Refs: https://github.com/nodejs/node/issues/9668
+
+let client;
+const server = createServer(common.mustCall((req, res) => {
+  onGC(req, { ongc: common.mustCall(() => { server.close(); }) });
+  req.resume();
+  req.on('end', common.mustCall(() => {
+    setImmediate(async () => {
+      client.end();
+      await globalThis.gc({ type: 'major', execution: 'async' });
+      await globalThis.gc({ type: 'major', execution: 'async' });
+    });
+  }));
+  res.end('hello world');
+}));
+
+server.listen(0, common.mustCall(() => {
+  client = connect(server.address().port);
+
+  const req = [
+    'POST / HTTP/1.1',
+    `Host: localhost:${server.address().port}`,
+    'Connection: keep-alive',
+    'Content-Length: 11',
+    '',
+    'hello world',
+    '',
+  ].join('\r\n');
+
+  client.write(req);
+  client.unref();
+}));