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// META: title=Scheduler: TaskController.setPriority and Task Order
// META: global=window,worker
'use strict';
promise_test(async t => {
const tasks = [];
const runOrder = [];
const taskControllers = [];
for (let i = 0; i < 5; i++) {
taskControllers.push(new TaskController({priority: 'background'}));
const signal = taskControllers[i].signal;
tasks.push(scheduler.postTask(() => { runOrder.push(i); }, {signal}));
}
taskControllers[2].setPriority('user-blocking');
assert_equals(taskControllers[2].signal.priority, 'user-blocking');
await Promise.all(tasks);
assert_equals(runOrder.toString(), '2,0,1,3,4');
}, 'Test TaskController.setPriority() affects task order.');
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