From bc0461db4f0054b19f1924433a8032ddfdfc879d Mon Sep 17 00:00:00 2001
From: pfg <pfg@pfg.pw>
Date: Tue, 20 May 2025 15:14:33 -0700
Subject: [PATCH] test for abort signal reason gc problem

---
 test/js/web/abort/abort-signal-reason.test.js | 21 +++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 test/js/web/abort/abort-signal-reason.test.js

diff --git a/test/js/web/abort/abort-signal-reason.test.js b/test/js/web/abort/abort-signal-reason.test.js
new file mode 100644
index 0000000000..835f89d50f
--- /dev/null
+++ b/test/js/web/abort/abort-signal-reason.test.js
@@ -0,0 +1,21 @@
+import { expect, test, describe } from "bun:test";
+
+describe("AbortSignal reason", () => {
+  // https://bugs.webkit.org/show_bug.cgi?id=293319
+  test("reason is preserved after GC", () => {
+    const controller = new AbortController();
+    controller.signal;
+    controller.abort(new Error("one two three")); // error must be defined inline so it doesn't get kept alive
+    Bun.gc(true);
+
+    let error;
+    try {
+      controller.signal.throwIfAborted();
+    } catch (e) {
+      error = e;
+    }
+
+    expect(error).toBe(controller.signal.reason);
+    expect(error.message).toBe("one two three");
+  });
+});