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