post-task-with-signal-and-priority.any.js

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This WPT test may be referenced by the following Test IDs:
- /scheduler/post-task-with-signal-and-priority.any.html - WPT Dashboard Interop Dashboard
- /scheduler/post-task-with-signal-and-priority.any.serviceworker.html - WPT Dashboard Interop Dashboard
- /scheduler/post-task-with-signal-and-priority.any.sharedworker.html - WPT Dashboard Interop Dashboard
- /scheduler/post-task-with-signal-and-priority.any.worker.html - WPT Dashboard Interop Dashboard

// META: title=Scheduler: Signal and Priority Combination

// META: global=window,worker

'use strict';

promise_test(async t => {

  const task1Result = scheduler.postTask(() => 'task1', {priority: 'user-visible'});

  const controller = new TaskController({priority: 'background'});

  const signal = controller.signal

  const task2Result = scheduler.postTask(() => 'task2', {priority: 'user-blocking', signal});

  const result = await Promise.race([task1Result, task2Result]);

  assert_equals('task2', result);

}, 'Test when scheduler.postTask() is passed both a signal and a priority');