| // META: title=Scheduler: TaskController.setPriority() repeated calls |
| // META: global=window,worker |
| 'use strict'; |
| |
| promise_test(async t => { |
| const controller = new TaskController(); |
| const signal = controller.signal; |
| |
| const tasks = []; |
| const runOrder = []; |
| const callback = id => { runOrder.push(id); }; |
| |
| tasks.push(scheduler.postTask(() => callback(0), {signal})); |
| tasks.push(scheduler.postTask(() => callback(1), {priority: 'user-blocking'})); |
| tasks.push(scheduler.postTask(() => callback(2), {priority: 'user-visible' })); |
| |
| controller.setPriority('background'); |
| assert_equals(signal.priority, 'background'); |
| |
| await Promise.all(tasks); |
| assert_equals(runOrder.toString(), '1,2,0'); |
| |
| while (tasks.length) { tasks.pop(); } |
| while (runOrder.length) { runOrder.pop(); } |
| |
| tasks.push(scheduler.postTask(() => callback(3), {signal})); |
| tasks.push(scheduler.postTask(() => callback(4), {priority: 'user-blocking'})); |
| tasks.push(scheduler.postTask(() => callback(5), {priority: 'user-visible' })); |
| |
| controller.setPriority('user-blocking'); |
| assert_equals(signal.priority, 'user-blocking'); |
| |
| await Promise.all(tasks); |
| assert_equals(runOrder.toString(), '3,4,5'); |
| }, 'TaskController.setPriority() changes the priority of all associated tasks when called repeatedly'); |
| |
| promise_test(async t => { |
| const controller = new TaskController(); |
| const signal = controller.signal; |
| |
| const tasks = []; |
| const runOrder = []; |
| const callback = id => { runOrder.push(id); }; |
| |
| tasks.push(scheduler.postTask(() => callback(0), {signal})); |
| tasks.push(scheduler.postTask(() => callback(1), {priority: 'user-blocking'})); |
| tasks.push(scheduler.postTask(() => callback(2), {priority: 'user-visible' })); |
| |
| controller.setPriority('background'); |
| assert_equals(signal.priority, 'background'); |
| |
| controller.setPriority('user-visible'); |
| assert_equals(signal.priority, 'user-visible'); |
| |
| controller.setPriority('user-blocking'); |
| assert_equals(signal.priority, 'user-blocking'); |
| |
| await Promise.all(tasks); |
| assert_equals(runOrder.toString(), '0,1,2'); |
| }, 'TaskController.setPriority() changes the priority of all associated tasks when called repeatedly before tasks run'); |