Ensure AbortSignal.throwIfAborted doesn't modify the message of an ab…

…ort error Fixed: 392413688 Change-Id: I3639c573cd7349eac1f9b09c427a5a52bccdda72 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6209470 Reviewed-by: Andrey Kosyakov <[email protected]> Commit-Queue: Nate Chapin <[email protected]> Cr-Commit-Position: refs/heads/main@{#1412605}
web-platform-tests · Jan 29, 2025 · 2e8b491 · 2e8b491
1 parent 3f5cef6
commit 2e8b491
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/dom/abort/event.any.js b/dom/abort/event.any.js
@@ -143,9 +143,12 @@ test(t => {
 
 test(t => {
   const reason = new Error('boom');
+  const message = reason.message;
   const signal = AbortSignal.abort(reason);
   assert_true(signal.aborted);
   assert_throws_exactly(reason, () => signal.throwIfAborted());
+  assert_equals(reason.message, message,
+                "abort.reason should not be changed by throwIfAborted()");
 }, "throwIfAborted() should throw abort.reason if signal aborted");
 
 test(t => {