1 files changed, 23 insertions, 0 deletions
diff --git a/testing/web-platform/tests/scheduler/task-controller-abort2.any.js b/testing/web-platform/tests/scheduler/task-controller-abort2.any.js
new file mode 100644
index 0000000000..075715b565
--- /dev/null
+++ b/testing/web-platform/tests/scheduler/task-controller-abort2.any.js
@@ -0,0 +1,23 @@
+// META: title=Scheduler: TaskController.abort() Aborts Correct Task
+// META: global=window,worker
+'use strict';
+
+promise_test(async t => {
+  const taskControllers = [];
+  const taskResults = [];
+
+  for (let i = 0; i < 5; i++) {
+    const controller = new TaskController();
+    taskControllers.push(controller);
+
+    const signal = controller.signal;
+    taskResults.push(scheduler.postTask(() => i, {signal}));
+  }
+
+  const abortedTask = taskResults.splice(2, 1)[0];
+  taskControllers[2].abort();
+  await promise_rejects_dom(t, 'AbortError', abortedTask);
+
+  const result = await Promise.all(taskResults);
+  assert_equals(result.toString(), '0,1,3,4');
+}, 'Test aborting a task aborts the appropriate task');