1 files changed, 28 insertions, 0 deletions
diff --git a/cli/tests/unit_node/events_test.ts b/cli/tests/unit_node/events_test.ts
new file mode 100644
index 000000000..e341a17cb
--- /dev/null
+++ b/cli/tests/unit_node/events_test.ts
@@ -0,0 +1,28 @@
+// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
+
+import { deferred } from "../../../test_util/std/async/deferred.ts";
+import { EventEmitter } from "node:events";
+
+EventEmitter.captureRejections = true;
+
+Deno.test("regression #20441", async () => {
+  const promise = deferred();
+
+  const ee = new EventEmitter();
+
+  ee.on("foo", function () {
+    const p = new Promise((_resolve, reject) => {
+      setTimeout(() => {
+        reject();
+      }, 100);
+    });
+    return p;
+  });
+
+  ee.on("error", function (_) {
+    promise.resolve();
+  });
+
+  ee.emit("foo");
+  await promise;
+});