1 files changed, 9 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scheduler/post-task-result-throws.any.js b/testing/web-platform/tests/scheduler/post-task-result-throws.any.js
new file mode 100644
index 0000000000..7155c94eac
--- /dev/null
+++ b/testing/web-platform/tests/scheduler/post-task-result-throws.any.js
@@ -0,0 +1,9 @@
+// META: title=Scheduler: postTask Error Propagation
+// META: global=window,worker
+'use strict';
+
+promise_test(t => {
+  const testError = new Error('Failed');
+  const task = scheduler.postTask(() => { throw testError; });
+  return promise_rejects_exactly(t, testError, task, 'postTask should propagate the error');
+}, 'Test postTask rejects the associated promise with the callback error');