73 lines
2.8 KiB
JavaScript
73 lines
2.8 KiB
JavaScript
// META: title=Scheduler: Tasks Run in Priority Order
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// META: global=window,worker
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promise_test(async t => {
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const runOrder = [];
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const schedule = (id, signal) => scheduler.postTask(() => { runOrder.push(id); }, {signal});
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const tasks = [];
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tasks.push(schedule('B1', TaskSignal.any([], {priority: 'background'})));
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tasks.push(schedule('B2', TaskSignal.any([], {priority: 'background'})));
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tasks.push(schedule('UV1', TaskSignal.any([], {priority: 'user-visible'})));
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tasks.push(schedule('UV2', TaskSignal.any([], {priority: 'user-visible'})));
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tasks.push(schedule('UB1', TaskSignal.any([], {priority: 'user-blocking'})));
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tasks.push(schedule('UB2', TaskSignal.any([], {priority: 'user-blocking'})));
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await Promise.all(tasks);
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assert_equals(runOrder.toString(),'UB1,UB2,UV1,UV2,B1,B2');
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}, 'scheduler.postTask() tasks run in priority order with a fixed priority composite signal');
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promise_test(async t => {
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const runOrder = [];
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const schedule = (id, priorityOrSignal) => {
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if (priorityOrSignal instanceof TaskSignal) {
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return scheduler.postTask(() => { runOrder.push(id); }, {signal: priorityOrSignal});
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} else {
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return scheduler.postTask(() => { runOrder.push(id); }, {priority: priorityOrSignal});
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}
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};
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const controller = new TaskController({priority: 'user-blocking'});
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const signal = TaskSignal.any([], {priority: controller.signal});
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const tasks = [];
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tasks.push(schedule('B1', signal));
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tasks.push(schedule('B2', signal));
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tasks.push(schedule('UV1', 'user-visible'));
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tasks.push(schedule('UV2', 'user-visible'));
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tasks.push(schedule('UB1', 'user-blocking'));
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tasks.push(schedule('UB2', 'user-blocking'));
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controller.setPriority('background');
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await Promise.all(tasks);
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assert_equals(runOrder.toString(),'UB1,UB2,UV1,UV2,B1,B2');
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}, 'scheduler.postTask() tasks run in priority order with a dynamic priority composite signal');
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promise_test(async t => {
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const runOrder = [];
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const schedule = (id, priorityOrSignal) => {
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if (priorityOrSignal instanceof TaskSignal) {
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return scheduler.postTask(() => { runOrder.push(id); }, {signal: priorityOrSignal});
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} else {
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return scheduler.postTask(() => { runOrder.push(id); }, {priority: priorityOrSignal});
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}
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};
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const parentSignal = TaskSignal.any([], {priority: 'background'});
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const signal = TaskSignal.any([], {priority: parentSignal});
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const tasks = [];
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tasks.push(schedule('B1', signal));
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tasks.push(schedule('B2', signal));
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tasks.push(schedule('UV1', 'user-visible'));
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tasks.push(schedule('UV2', 'user-visible'));
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tasks.push(schedule('UB1', 'user-blocking'));
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tasks.push(schedule('UB2', 'user-blocking'));
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await Promise.all(tasks);
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assert_equals(runOrder.toString(),'UB1,UB2,UV1,UV2,B1,B2');
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}, 'scheduler.postTask() tasks run in priority order with a composite signal whose source has fixed priority');
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