12 lines
520 B
JavaScript
12 lines
520 B
JavaScript
// META: title=Scheduler: Recursive TaskController.setPriority()
|
|
// META: global=window,worker
|
|
'use strict';
|
|
|
|
async_test(t => {
|
|
const controller = new TaskController();
|
|
controller.signal.onprioritychange = t.step_func_done(() => {
|
|
assert_equals(controller.signal.priority, 'background');
|
|
assert_throws_dom('NotAllowedError', () => { controller.setPriority('user-blocking'); });
|
|
});
|
|
controller.setPriority('background');
|
|
}, 'Test that TaskController.setPriority() throws an error if called recursively');
|