| <!doctype html> |
| <title>Scheduling API: TaskController.setPriority()</title> |
| <link rel="author" title="Scott Haseley" href="mailto:shaseley@chromium.org"> |
| <link rel="help" href="https://github.com/WICG/main-thread-scheduling"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| |
| <script> |
| 'use strict'; |
| |
| async_test(t => { |
| let result = ''; |
| let tc = new TaskController("user-visible"); |
| |
| for (let i = 0; i < 5; i++) { |
| let task = scheduler.postTask(() => { |
| result += i.toString(); |
| }, { signal: tc.signal }); |
| } |
| |
| scheduler.postTask(() => { result += "5"; }, { priority : "user-blocking" }); |
| scheduler.postTask(() => { result += "6"; }, { priority : "user-visible" }); |
| |
| tc.setPriority("background"); |
| |
| scheduler.postTask(t.step_func_done(() => { |
| assert_equals(result, '5601234'); |
| }), { priority: "background" }); |
| |
| }, 'Test that TaskController.setPriority() changes the priority of all associated tasks'); |
| |
| </script> |
